+++ /dev/null
-/networkd-network-gperf.c
-/networkd-netdev-gperf.c
+++ /dev/null
-../Makefile
\ No newline at end of file
+++ /dev/null
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- This file is part of systemd.
-
- Copyright 2014 Lennart Poettering
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include <stdbool.h>
-#include <getopt.h>
-#include <net/if.h>
-
-#include "sd-network.h"
-#include "sd-rtnl.h"
-#include "sd-hwdb.h"
-#include "sd-device.h"
-
-#include "strv.h"
-#include "build.h"
-#include "util.h"
-#include "pager.h"
-#include "lldp.h"
-#include "rtnl-util.h"
-#include "device-util.h"
-#include "hwdb-util.h"
-#include "arphrd-list.h"
-#include "local-addresses.h"
-#include "socket-util.h"
-#include "ether-addr-util.h"
-#include "verbs.h"
-
-static bool arg_no_pager = false;
-static bool arg_legend = true;
-static bool arg_all = false;
-
-static void pager_open_if_enabled(void) {
-
- if (arg_no_pager)
- return;
-
- pager_open(false);
-}
-
-static int link_get_type_string(int iftype, sd_device *d, char **ret) {
- const char *t;
- char *p;
-
- assert(ret);
-
- if (iftype == ARPHRD_ETHER && d) {
- const char *devtype, *id = NULL;
- /* WLANs have iftype ARPHRD_ETHER, but we want
- * to show a more useful type string for
- * them */
-
- (void)sd_device_get_devtype(d, &devtype);
-
- if (streq_ptr(devtype, "wlan"))
- id = "wlan";
- else if (streq_ptr(devtype, "wwan"))
- id = "wwan";
-
- if (id) {
- p = strdup(id);
- if (!p)
- return -ENOMEM;
-
- *ret = p;
- return 1;
- }
- }
-
- t = arphrd_to_name(iftype);
- if (!t) {
- *ret = NULL;
- return 0;
- }
-
- p = strdup(t);
- if (!p)
- return -ENOMEM;
-
- ascii_strlower(p);
- *ret = p;
-
- return 0;
-}
-
-typedef struct LinkInfo {
- const char *name;
- int ifindex;
- unsigned iftype;
-} LinkInfo;
-
-static int link_info_compare(const void *a, const void *b) {
- const LinkInfo *x = a, *y = b;
-
- return x->ifindex - y->ifindex;
-}
-
-static int decode_and_sort_links(sd_rtnl_message *m, LinkInfo **ret) {
- _cleanup_free_ LinkInfo *links = NULL;
- size_t size = 0, c = 0;
- sd_rtnl_message *i;
- int r;
-
- for (i = m; i; i = sd_rtnl_message_next(i)) {
- const char *name;
- unsigned iftype;
- uint16_t type;
- int ifindex;
-
- r = sd_rtnl_message_get_type(i, &type);
- if (r < 0)
- return r;
-
- if (type != RTM_NEWLINK)
- continue;
-
- r = sd_rtnl_message_link_get_ifindex(i, &ifindex);
- if (r < 0)
- return r;
-
- r = sd_rtnl_message_read_string(i, IFLA_IFNAME, &name);
- if (r < 0)
- return r;
-
- r = sd_rtnl_message_link_get_type(i, &iftype);
- if (r < 0)
- return r;
-
- if (!GREEDY_REALLOC(links, size, c+1))
- return -ENOMEM;
-
- links[c].name = name;
- links[c].ifindex = ifindex;
- links[c].iftype = iftype;
- c++;
- }
-
- qsort_safe(links, c, sizeof(LinkInfo), link_info_compare);
-
- *ret = links;
- links = NULL;
-
- return (int) c;
-}
-
-static void operational_state_to_color(const char *state, const char **on, const char **off) {
- assert(on);
- assert(off);
-
- if (streq_ptr(state, "routable")) {
- *on = ansi_highlight_green();
- *off = ansi_highlight_off();
- } else if (streq_ptr(state, "degraded")) {
- *on = ansi_highlight_yellow();
- *off = ansi_highlight_off();
- } else
- *on = *off = "";
-}
-
-static void setup_state_to_color(const char *state, const char **on, const char **off) {
- assert(on);
- assert(off);
-
- if (streq_ptr(state, "configured")) {
- *on = ansi_highlight_green();
- *off = ansi_highlight_off();
- } else if (streq_ptr(state, "configuring")) {
- *on = ansi_highlight_yellow();
- *off = ansi_highlight_off();
- } else if (streq_ptr(state, "failed") || streq_ptr(state, "linger")) {
- *on = ansi_highlight_red();
- *off = ansi_highlight_off();
- } else
- *on = *off = "";
-}
-
-static int list_links(int argc, char *argv[], void *userdata) {
- _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL, *reply = NULL;
- _cleanup_rtnl_unref_ sd_rtnl *rtnl = NULL;
- _cleanup_free_ LinkInfo *links = NULL;
- int r, c, i;
-
- pager_open_if_enabled();
-
- r = sd_rtnl_open(&rtnl, 0);
- if (r < 0)
- return log_error_errno(r, "Failed to connect to netlink: %m");
-
- r = sd_rtnl_message_new_link(rtnl, &req, RTM_GETLINK, 0);
- if (r < 0)
- return rtnl_log_create_error(r);
-
- r = sd_rtnl_message_request_dump(req, true);
- if (r < 0)
- return rtnl_log_create_error(r);
-
- r = sd_rtnl_call(rtnl, req, 0, &reply);
- if (r < 0)
- return log_error_errno(r, "Failed to enumerate links: %m");
-
- if (arg_legend)
- printf("%3s %-16s %-18s %-11s %-10s\n", "IDX", "LINK", "TYPE", "OPERATIONAL", "SETUP");
-
- c = decode_and_sort_links(reply, &links);
- if (c < 0)
- return rtnl_log_parse_error(c);
-
- for (i = 0; i < c; i++) {
- _cleanup_free_ char *setup_state = NULL, *operational_state = NULL;
- _cleanup_device_unref_ sd_device *d = NULL;
- const char *on_color_operational, *off_color_operational,
- *on_color_setup, *off_color_setup;
- char devid[2 + DECIMAL_STR_MAX(int)];
- _cleanup_free_ char *t = NULL;
-
- sd_network_link_get_operational_state(links[i].ifindex, &operational_state);
- operational_state_to_color(operational_state, &on_color_operational, &off_color_operational);
-
- sd_network_link_get_setup_state(links[i].ifindex, &setup_state);
- setup_state_to_color(setup_state, &on_color_setup, &off_color_setup);
-
- sprintf(devid, "n%i", links[i].ifindex);
- (void)sd_device_new_from_device_id(&d, devid);
-
- link_get_type_string(links[i].iftype, d, &t);
-
- printf("%3i %-16s %-18s %s%-11s%s %s%-10s%s\n",
- links[i].ifindex, links[i].name, strna(t),
- on_color_operational, strna(operational_state), off_color_operational,
- on_color_setup, strna(setup_state), off_color_setup);
- }
-
- if (arg_legend)
- printf("\n%i links listed.\n", c);
-
- return 0;
-}
-
-/* IEEE Organizationally Unique Identifier vendor string */
-static int ieee_oui(sd_hwdb *hwdb, struct ether_addr *mac, char **ret) {
- const char *description;
- char modalias[strlen("OUI:XXYYXXYYXXYY") + 1], *desc;
- int r;
-
- assert(ret);
-
- if (!hwdb)
- return -EINVAL;
-
- if (!mac)
- return -EINVAL;
-
- /* skip commonly misused 00:00:00 (Xerox) prefix */
- if (memcmp(mac, "\0\0\0", 3) == 0)
- return -EINVAL;
-
- snprintf(modalias, sizeof(modalias), "OUI:" ETHER_ADDR_FORMAT_STR, ETHER_ADDR_FORMAT_VAL(*mac));
-
- r = sd_hwdb_get(hwdb, modalias, "ID_OUI_FROM_DATABASE", &description);
- if (r < 0)
- return r;
-
- desc = strdup(description);
- if (!desc)
- return -ENOMEM;
-
- *ret = desc;
-
- return 0;
-}
-
-static int get_gateway_description(
- sd_rtnl *rtnl,
- sd_hwdb *hwdb,
- int ifindex,
- int family,
- union in_addr_union *gateway,
- char **gateway_description) {
- _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL, *reply = NULL;
- sd_rtnl_message *m;
- int r;
-
- assert(rtnl);
- assert(ifindex >= 0);
- assert(family == AF_INET || family == AF_INET6);
- assert(gateway);
- assert(gateway_description);
-
- r = sd_rtnl_message_new_neigh(rtnl, &req, RTM_GETNEIGH, ifindex, family);
- if (r < 0)
- return r;
-
- r = sd_rtnl_message_request_dump(req, true);
- if (r < 0)
- return r;
-
- r = sd_rtnl_call(rtnl, req, 0, &reply);
- if (r < 0)
- return r;
-
- for (m = reply; m; m = sd_rtnl_message_next(m)) {
- union in_addr_union gw = {};
- struct ether_addr mac = {};
- uint16_t type;
- int ifi, fam;
-
- r = sd_rtnl_message_get_errno(m);
- if (r < 0) {
- log_error_errno(r, "got error: %m");
- continue;
- }
-
- r = sd_rtnl_message_get_type(m, &type);
- if (r < 0) {
- log_error_errno(r, "could not get type: %m");
- continue;
- }
-
- if (type != RTM_NEWNEIGH) {
- log_error("type is not RTM_NEWNEIGH");
- continue;
- }
-
- r = sd_rtnl_message_neigh_get_family(m, &fam);
- if (r < 0) {
- log_error_errno(r, "could not get family: %m");
- continue;
- }
-
- if (fam != family) {
- log_error("family is not correct");
- continue;
- }
-
- r = sd_rtnl_message_neigh_get_ifindex(m, &ifi);
- if (r < 0) {
- log_error_errno(r, "could not get ifindex: %m");
- continue;
- }
-
- if (ifindex > 0 && ifi != ifindex)
- continue;
-
- switch (fam) {
- case AF_INET:
- r = sd_rtnl_message_read_in_addr(m, NDA_DST, &gw.in);
- if (r < 0)
- continue;
-
- break;
- case AF_INET6:
- r = sd_rtnl_message_read_in6_addr(m, NDA_DST, &gw.in6);
- if (r < 0)
- continue;
-
- break;
- default:
- continue;
- }
-
- if (!in_addr_equal(fam, &gw, gateway))
- continue;
-
- r = sd_rtnl_message_read_ether_addr(m, NDA_LLADDR, &mac);
- if (r < 0)
- continue;
-
- r = ieee_oui(hwdb, &mac, gateway_description);
- if (r < 0)
- continue;
-
- return 0;
- }
-
- return -ENODATA;
-}
-
-static int dump_gateways(
- sd_rtnl *rtnl,
- sd_hwdb *hwdb,
- const char *prefix,
- int ifindex) {
- _cleanup_free_ struct local_address *local = NULL;
- int r, n, i;
-
- n = local_gateways(rtnl, ifindex, AF_UNSPEC, &local);
- if (n < 0)
- return n;
-
- for (i = 0; i < n; i++) {
- _cleanup_free_ char *gateway = NULL, *description = NULL;
-
- r = in_addr_to_string(local[i].family, &local[i].address, &gateway);
- if (r < 0)
- return r;
-
- r = get_gateway_description(rtnl, hwdb, local[i].ifindex, local[i].family, &local[i].address, &description);
- if (r < 0)
- log_debug_errno(r, "Could not get description of gateway: %m");
-
- printf("%*s%s",
- (int) strlen(prefix),
- i == 0 ? prefix : "",
- gateway);
-
- if (description)
- printf(" (%s)", description);
-
- /* Show interface name for the entry if we show
- * entries for all interfaces */
- if (ifindex <= 0) {
- char name[IF_NAMESIZE+1];
-
- if (if_indextoname(local[i].ifindex, name)) {
- fputs(" on ", stdout);
- fputs(name, stdout);
- } else
- printf(" on %%%i", local[i].ifindex);
- }
-
- fputc('\n', stdout);
- }
-
- return 0;
-}
-
-static int dump_addresses(
- sd_rtnl *rtnl,
- const char *prefix,
- int ifindex) {
-
- _cleanup_free_ struct local_address *local = NULL;
- int r, n, i;
-
- n = local_addresses(rtnl, ifindex, AF_UNSPEC, &local);
- if (n < 0)
- return n;
-
- for (i = 0; i < n; i++) {
- _cleanup_free_ char *pretty = NULL;
-
- r = in_addr_to_string(local[i].family, &local[i].address, &pretty);
- if (r < 0)
- return r;
-
- printf("%*s%s",
- (int) strlen(prefix),
- i == 0 ? prefix : "",
- pretty);
-
- if (ifindex <= 0) {
- char name[IF_NAMESIZE+1];
-
- if (if_indextoname(local[i].ifindex, name)) {
- fputs(" on ", stdout);
- fputs(name, stdout);
- } else
- printf(" on %%%i", local[i].ifindex);
- }
-
- fputc('\n', stdout);
- }
-
- return 0;
-}
-
-static void dump_list(const char *prefix, char **l) {
- char **i;
-
- STRV_FOREACH(i, l) {
- printf("%*s%s\n",
- (int) strlen(prefix),
- i == l ? prefix : "",
- *i);
- }
-}
-
-static int link_status_one(
- sd_rtnl *rtnl,
- sd_hwdb *hwdb,
- const char *name) {
- _cleanup_strv_free_ char **dns = NULL, **ntp = NULL, **domains = NULL;
- _cleanup_free_ char *setup_state = NULL, *operational_state = NULL;
- _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL, *reply = NULL;
- _cleanup_device_unref_ sd_device *d = NULL;
- char devid[2 + DECIMAL_STR_MAX(int)];
- _cleanup_free_ char *t = NULL, *network = NULL;
- const char *driver = NULL, *path = NULL, *vendor = NULL, *model = NULL, *link = NULL;
- const char *on_color_operational, *off_color_operational,
- *on_color_setup, *off_color_setup;
- _cleanup_strv_free_ char **carrier_bound_to = NULL;
- _cleanup_strv_free_ char **carrier_bound_by = NULL;
- struct ether_addr e;
- unsigned iftype;
- int r, ifindex;
- bool have_mac;
- uint32_t mtu;
-
- assert(rtnl);
- assert(name);
-
- if (safe_atoi(name, &ifindex) >= 0 && ifindex > 0)
- r = sd_rtnl_message_new_link(rtnl, &req, RTM_GETLINK, ifindex);
- else {
- r = sd_rtnl_message_new_link(rtnl, &req, RTM_GETLINK, 0);
- if (r < 0)
- return rtnl_log_create_error(r);
-
- r = sd_rtnl_message_append_string(req, IFLA_IFNAME, name);
- }
-
- if (r < 0)
- return rtnl_log_create_error(r);
-
- r = sd_rtnl_call(rtnl, req, 0, &reply);
- if (r < 0)
- return log_error_errno(r, "Failed to query link: %m");
-
- r = sd_rtnl_message_link_get_ifindex(reply, &ifindex);
- if (r < 0)
- return rtnl_log_parse_error(r);
-
- r = sd_rtnl_message_read_string(reply, IFLA_IFNAME, &name);
- if (r < 0)
- return rtnl_log_parse_error(r);
-
- r = sd_rtnl_message_link_get_type(reply, &iftype);
- if (r < 0)
- return rtnl_log_parse_error(r);
-
- have_mac = sd_rtnl_message_read_ether_addr(reply, IFLA_ADDRESS, &e) >= 0;
-
- if (have_mac) {
- const uint8_t *p;
- bool all_zeroes = true;
-
- for (p = (uint8_t*) &e; p < (uint8_t*) &e + sizeof(e); p++)
- if (*p != 0) {
- all_zeroes = false;
- break;
- }
-
- if (all_zeroes)
- have_mac = false;
- }
-
- sd_rtnl_message_read_u32(reply, IFLA_MTU, &mtu);
-
- sd_network_link_get_operational_state(ifindex, &operational_state);
- operational_state_to_color(operational_state, &on_color_operational, &off_color_operational);
-
- sd_network_link_get_setup_state(ifindex, &setup_state);
- setup_state_to_color(setup_state, &on_color_setup, &off_color_setup);
-
- sd_network_link_get_dns(ifindex, &dns);
- sd_network_link_get_ntp(ifindex, &ntp);
- sd_network_link_get_domains(ifindex, &domains);
- r = sd_network_link_get_wildcard_domain(ifindex);
- if (r > 0) {
- char *wildcard;
-
- wildcard = strdup("*");
- if (!wildcard)
- return log_oom();
-
- if (strv_consume(&domains, wildcard) < 0)
- return log_oom();
- }
-
- sprintf(devid, "n%i", ifindex);
-
- (void)sd_device_new_from_device_id(&d, devid);
-
- if (d) {
- (void)sd_device_get_property_value(d, "ID_NET_LINK_FILE", &link);
- (void)sd_device_get_property_value(d, "ID_NET_DRIVER", &driver);
- (void)sd_device_get_property_value(d, "ID_PATH", &path);
-
- r = sd_device_get_property_value(d, "ID_VENDOR_FROM_DATABASE", &vendor);
- if (r < 0)
- (void)sd_device_get_property_value(d, "ID_VENDOR", &vendor);
-
- r = sd_device_get_property_value(d, "ID_MODEL_FROM_DATABASE", &model);
- if (r < 0)
- (void)sd_device_get_property_value(d, "ID_MODEL", &model);
- }
-
- link_get_type_string(iftype, d, &t);
-
- sd_network_link_get_network_file(ifindex, &network);
-
- sd_network_link_get_carrier_bound_to(ifindex, &carrier_bound_to);
- sd_network_link_get_carrier_bound_by(ifindex, &carrier_bound_by);
-
- printf("%s%s%s %i: %s\n", on_color_operational, draw_special_char(DRAW_BLACK_CIRCLE), off_color_operational, ifindex, name);
-
- printf(" Link File: %s\n"
- " Network File: %s\n"
- " Type: %s\n"
- " State: %s%s%s (%s%s%s)\n",
- strna(link),
- strna(network),
- strna(t),
- on_color_operational, strna(operational_state), off_color_operational,
- on_color_setup, strna(setup_state), off_color_setup);
-
- if (path)
- printf(" Path: %s\n", path);
- if (driver)
- printf(" Driver: %s\n", driver);
- if (vendor)
- printf(" Vendor: %s\n", vendor);
- if (model)
- printf(" Model: %s\n", model);
-
- if (have_mac) {
- _cleanup_free_ char *description = NULL;
- char ea[ETHER_ADDR_TO_STRING_MAX];
-
- ieee_oui(hwdb, &e, &description);
-
- if (description)
- printf(" HW Address: %s (%s)\n", ether_addr_to_string(&e, ea), description);
- else
- printf(" HW Address: %s\n", ether_addr_to_string(&e, ea));
- }
-
- if (mtu > 0)
- printf(" MTU: %u\n", mtu);
-
- dump_addresses(rtnl, " Address: ", ifindex);
- dump_gateways(rtnl, hwdb, " Gateway: ", ifindex);
-
- if (!strv_isempty(dns))
- dump_list(" DNS: ", dns);
- if (!strv_isempty(domains))
- dump_list(" Domain: ", domains);
- if (!strv_isempty(ntp))
- dump_list(" NTP: ", ntp);
-
- if (!strv_isempty(carrier_bound_to))
- dump_list("Carrier Bound To: ", carrier_bound_to);
-
- if (!strv_isempty(carrier_bound_by))
- dump_list("Carrier Bound By: ", carrier_bound_by);
-
- return 0;
-}
-
-static int link_status(int argc, char *argv[], void *userdata) {
- _cleanup_hwdb_unref_ sd_hwdb *hwdb = NULL;
- _cleanup_rtnl_unref_ sd_rtnl *rtnl = NULL;
- char **name;
- int r;
-
- r = sd_rtnl_open(&rtnl, 0);
- if (r < 0)
- return log_error_errno(r, "Failed to connect to netlink: %m");
-
- r = sd_hwdb_new(&hwdb);
- if (r < 0)
- log_debug_errno(r, "Failed to open hardware database: %m");
-
- if (argc <= 1 && !arg_all) {
- _cleanup_free_ char *operational_state = NULL;
- _cleanup_strv_free_ char **dns = NULL, **ntp = NULL, **domains = NULL;
- const char *on_color_operational, *off_color_operational;
-
- sd_network_get_operational_state(&operational_state);
- operational_state_to_color(operational_state, &on_color_operational, &off_color_operational);
-
- printf("%s%s%s State: %s%s%s\n",
- on_color_operational, draw_special_char(DRAW_BLACK_CIRCLE), off_color_operational,
- on_color_operational, strna(operational_state), off_color_operational);
-
- dump_addresses(rtnl, " Address: ", 0);
- dump_gateways(rtnl, hwdb, " Gateway: ", 0);
-
- sd_network_get_dns(&dns);
- if (!strv_isempty(dns))
- dump_list(" DNS: ", dns);
-
- sd_network_get_domains(&domains);
- if (!strv_isempty(domains))
- dump_list(" Domain: ", domains);
-
- sd_network_get_ntp(&ntp);
- if (!strv_isempty(ntp))
- dump_list(" NTP: ", ntp);
-
- return 0;
- }
-
- pager_open_if_enabled();
-
- if (arg_all) {
- _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL, *reply = NULL;
- _cleanup_free_ LinkInfo *links = NULL;
- int c, i;
-
- r = sd_rtnl_message_new_link(rtnl, &req, RTM_GETLINK, 0);
- if (r < 0)
- return rtnl_log_create_error(r);
-
- r = sd_rtnl_message_request_dump(req, true);
- if (r < 0)
- return rtnl_log_create_error(r);
-
- r = sd_rtnl_call(rtnl, req, 0, &reply);
- if (r < 0)
- return log_error_errno(r, "Failed to enumerate links: %m");
-
- c = decode_and_sort_links(reply, &links);
- if (c < 0)
- return rtnl_log_parse_error(c);
-
- for (i = 0; i < c; i++) {
- if (i > 0)
- fputc('\n', stdout);
-
- link_status_one(rtnl, hwdb, links[i].name);
- }
- } else {
- STRV_FOREACH(name, argv + 1) {
- if (name != argv + 1)
- fputc('\n', stdout);
-
- link_status_one(rtnl, hwdb, *name);
- }
- }
-
- return 0;
-}
-
-const char *lldp_system_capability_to_string(LLDPSystemCapabilities d) _const_;
-LLDPSystemCapabilities lldp_system_capability_from_string(const char *d) _pure_;
-
-static const char* const lldp_system_capability_table[_LLDP_SYSTEM_CAPABILITIES_MAX + 1] = {
- [LLDP_SYSTEM_CAPABILITIES_OTHER] = "O",
- [LLDP_SYSTEM_CAPABILITIES_REPEATER] = "P",
- [LLDP_SYSTEM_CAPABILITIES_BRIDGE] = "B",
- [LLDP_SYSTEM_CAPABILITIES_WLAN_AP] = "W",
- [LLDP_SYSTEM_CAPABILITIES_ROUTER] = "R",
- [LLDP_SYSTEM_CAPABILITIES_PHONE] = "T",
- [LLDP_SYSTEM_CAPABILITIES_DOCSIS] = "D",
- [LLDP_SYSTEM_CAPABILITIES_STATION] = "A",
- [LLDP_SYSTEM_CAPABILITIES_CVLAN] = "C",
- [LLDP_SYSTEM_CAPABILITIES_SVLAN] = "S",
- [LLDP_SYSTEM_CAPABILITIES_TPMR] = "M",
- [_LLDP_SYSTEM_CAPABILITIES_MAX] = "N/A",
-};
-
-DEFINE_STRING_TABLE_LOOKUP(lldp_system_capability, LLDPSystemCapabilities);
-
-static char *lldp_system_caps(uint16_t cap) {
- _cleanup_free_ char *s = NULL, *t = NULL;
- char *capability;
-
- t = strdup("[ ");
- if (!t)
- return NULL;
-
- if (cap & LLDP_SYSTEM_CAPABILITIES_OTHER) {
- s = strjoin(t, lldp_system_capability_to_string(LLDP_SYSTEM_CAPABILITIES_OTHER), " ", NULL);
- if (!s)
- return NULL;
-
- free(t);
- t = s;
- }
-
- if (cap & LLDP_SYSTEM_CAPABILITIES_REPEATER) {
- s = strjoin(t, lldp_system_capability_to_string(LLDP_SYSTEM_CAPABILITIES_REPEATER), " ", NULL);
- if (!s)
- return NULL;
-
- free(t);
- t = s;
- }
-
- if (cap & LLDP_SYSTEM_CAPABILITIES_BRIDGE) {
- s = strjoin(t, lldp_system_capability_to_string(LLDP_SYSTEM_CAPABILITIES_BRIDGE), " ", NULL);
- if (!s)
- return NULL;
-
- free(t);
- t = s;
- }
-
- if (cap & LLDP_SYSTEM_CAPABILITIES_WLAN_AP) {
- s = strjoin(t, lldp_system_capability_to_string(LLDP_SYSTEM_CAPABILITIES_WLAN_AP), " ", NULL);
- if (!s)
- return NULL;
-
- free(t);
- t = s;
- }
-
- if (cap & LLDP_SYSTEM_CAPABILITIES_ROUTER) {
- s = strjoin(t, lldp_system_capability_to_string(LLDP_SYSTEM_CAPABILITIES_ROUTER), " ", NULL);
- if (!s)
- return NULL;
-
- free(t);
- t = s;
- }
-
- if (cap & LLDP_SYSTEM_CAPABILITIES_PHONE) {
- s = strjoin(t, lldp_system_capability_to_string(LLDP_SYSTEM_CAPABILITIES_PHONE), " ", NULL);
- if (!s)
- return NULL;
-
- free(t);
- t = s;
- }
-
- if (cap & LLDP_SYSTEM_CAPABILITIES_DOCSIS) {
- s = strjoin(t, lldp_system_capability_to_string(LLDP_SYSTEM_CAPABILITIES_DOCSIS), " ", NULL);
- if (!s)
- return NULL;
-
- free(t);
- t = s;
- }
-
- if (cap & LLDP_SYSTEM_CAPABILITIES_STATION) {
- s = strjoin(t, lldp_system_capability_to_string(LLDP_SYSTEM_CAPABILITIES_STATION), " ", NULL);
- if (!s)
- return NULL;
-
- free(t);
- t = s;
- }
-
- if (cap & LLDP_SYSTEM_CAPABILITIES_CVLAN) {
- s = strjoin(t, lldp_system_capability_to_string(LLDP_SYSTEM_CAPABILITIES_CVLAN), " ", NULL);
- if (!s)
- return NULL;
-
- free(t);
- t = s;
- }
-
- if (cap & LLDP_SYSTEM_CAPABILITIES_SVLAN) {
- s = strjoin(t, lldp_system_capability_to_string(LLDP_SYSTEM_CAPABILITIES_SVLAN), " ", NULL);
- if (!s)
- return NULL;
-
- free(t);
- t = s;
- }
-
- if (cap & LLDP_SYSTEM_CAPABILITIES_TPMR) {
- s = strappend(t, lldp_system_capability_to_string(LLDP_SYSTEM_CAPABILITIES_TPMR));
- if (!s)
- return NULL;
-
- free(t);
- }
-
- if (!s) {
- s = strappend(t, lldp_system_capability_to_string(_LLDP_SYSTEM_CAPABILITIES_MAX));
- if (!s)
- return NULL;
-
- free(t);
- }
-
- t = strappend(s, "]");
- if (!t)
- return NULL;
-
- free(s);
- capability = t;
-
- s = NULL;
- t = NULL;
-
- return capability;
-}
-
-static int link_lldp_status(int argc, char *argv[], void *userdata) {
- _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL, *reply = NULL;
- _cleanup_rtnl_unref_ sd_rtnl *rtnl = NULL;
- _cleanup_free_ LinkInfo *links = NULL;
- const char *state, *word;
-
- double ttl = -1;
- uint32_t capability;
- int i, r, c, j;
- size_t ll;
- char **s;
-
- pager_open_if_enabled();
-
- r = sd_rtnl_open(&rtnl, 0);
- if (r < 0)
- return log_error_errno(r, "Failed to connect to netlink: %m");
-
- r = sd_rtnl_message_new_link(rtnl, &req, RTM_GETLINK, 0);
- if (r < 0)
- return rtnl_log_create_error(r);
-
- r = sd_rtnl_message_request_dump(req, true);
- if (r < 0)
- return rtnl_log_create_error(r);
-
- r = sd_rtnl_call(rtnl, req, 0, &reply);
- if (r < 0)
- return log_error_errno(r, "Failed to enumerate links: %m");
-
- c = decode_and_sort_links(reply, &links);
- if (c < 0)
- return rtnl_log_parse_error(c);
-
- if (arg_legend)
- printf("%s %16s %24s %16s %16s\n", "Local Intf", "Device ID", "Port ID", "TTL", "Capability");
-
- for (i = j = 0; i < c; i++) {
- _cleanup_free_ char *chassis = NULL, *port = NULL, *cap = NULL, *lldp = NULL;
- _cleanup_strv_free_ char **l = NULL;
-
- r = sd_network_link_get_lldp(links[i].ifindex, &lldp);
- if (r < 0)
- continue;
-
- l = strv_split_newlines(lldp);
- if (!l)
- return -ENOMEM;
-
- STRV_FOREACH(s, l) {
- FOREACH_WORD_QUOTED(word, ll, *s, state) {
- _cleanup_free_ char *t = NULL, *a = NULL, *b = NULL;
-
- t = strndup(word, ll);
- if (!t)
- return -ENOMEM;
-
- r = split_pair(t, "=", &a, &b);
- if (r < 0)
- continue;
-
- if (streq(a, "_Chassis")) {
- r = free_and_strdup(&chassis, b);
- if (r < 0)
- return r;
-
- } else if (streq(a, "_Port")) {
- r = free_and_strdup(&port, b);
- if (r < 0)
- return r;
-
- } else if (streq(a, "_TTL")) {
- long long unsigned x = 0;
- usec_t time;
-
- r = safe_atollu(b, &x);
- if (r < 0 || (usec_t) x != x)
- return log_warning_errno(r < 0 ? r : ERANGE,
- "Failed to parse TTL \"%s\": %m", b);
-
- time = now(CLOCK_BOOTTIME);
- if (x < time)
- continue;
-
- ttl = (double) (x - time) / USEC_PER_SEC;
-
- } else if (streq(a, "_CAP")) {
- sscanf(b, "%x", &capability);
-
- cap = lldp_system_caps(capability);
- }
-
- }
-
- if (ttl >= 0) {
- printf("%10s %24s %16s %16f %16s\n",
- links[i].name,
- strna(chassis), strna(port),
- ttl, cap);
- j++;
- }
- }
- }
-
- if (arg_legend) {
- printf("\nCapability Codes:\n"
- "(O) - Other, (P) - Repeater, (B) - Bridge , (W) - WLAN Access Point, (R) = Router,\n"
- "(T) - Telephone, (D) - Data Over Cable Service Interface Specifications, (A) - Station,\n"
- "(C) - Customer VLAN, (S) - Service VLAN, (M) - Two-port MAC Relay (TPMR)\n\n");
-
- printf("Total entries displayed: %d\n", j);
- }
-
- return 0;
-}
-
-static void help(void) {
- printf("%s [OPTIONS...]\n\n"
- "Query and control the networking subsystem.\n\n"
- " -h --help Show this help\n"
- " --version Show package version\n"
- " --no-pager Do not pipe output into a pager\n"
- " --no-legend Do not show the headers and footers\n"
- " -a --all Show status for all links\n\n"
- "Commands:\n"
- " list List links\n"
- " status [LINK...] Show link status\n"
- " lldp Show lldp information\n"
- , program_invocation_short_name);
-}
-
-static int parse_argv(int argc, char *argv[]) {
-
- enum {
- ARG_VERSION = 0x100,
- ARG_NO_PAGER,
- ARG_NO_LEGEND,
- };
-
- static const struct option options[] = {
- { "help", no_argument, NULL, 'h' },
- { "version", no_argument, NULL, ARG_VERSION },
- { "no-pager", no_argument, NULL, ARG_NO_PAGER },
- { "no-legend", no_argument, NULL, ARG_NO_LEGEND },
- { "all", no_argument, NULL, 'a' },
- {}
- };
-
- int c;
-
- assert(argc >= 0);
- assert(argv);
-
- while ((c = getopt_long(argc, argv, "ha", options, NULL)) >= 0) {
-
- switch (c) {
-
- case 'h':
- help();
- return 0;
-
- case ARG_VERSION:
- puts(PACKAGE_STRING);
- puts(SYSTEMD_FEATURES);
- return 0;
-
- case ARG_NO_PAGER:
- arg_no_pager = true;
- break;
-
- case ARG_NO_LEGEND:
- arg_legend = false;
- break;
-
- case 'a':
- arg_all = true;
- break;
-
- case '?':
- return -EINVAL;
-
- default:
- assert_not_reached("Unhandled option");
- }
- }
-
- return 1;
-}
-
-static int networkctl_main(int argc, char *argv[]) {
- const Verb verbs[] = {
- { "list", VERB_ANY, 1, VERB_DEFAULT, list_links },
- { "status", 1, VERB_ANY, 0, link_status },
- { "lldp", VERB_ANY, 1, VERB_DEFAULT, link_lldp_status },
- {}
- };
-
- return dispatch_verb(argc, argv, verbs, NULL);
-}
-
-int main(int argc, char* argv[]) {
- int r;
-
- log_parse_environment();
- log_open();
-
- r = parse_argv(argc, argv);
- if (r <= 0)
- goto finish;
-
- r = networkctl_main(argc, argv);
-
-finish:
- pager_close();
-
- return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
-}
+++ /dev/null
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- This file is part of systemd.
-
- Copyright 2014 Lennart Poettering
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-
-#include "networkd.h"
-#include "networkd-link.h"
-
-int address_pool_new(
- Manager *m,
- AddressPool **ret,
- int family,
- const union in_addr_union *u,
- unsigned prefixlen) {
-
- AddressPool *p;
-
- assert(m);
- assert(ret);
- assert(u);
-
- p = new0(AddressPool, 1);
- if (!p)
- return -ENOMEM;
-
- p->manager = m;
- p->family = family;
- p->prefixlen = prefixlen;
- p->in_addr = *u;
-
- LIST_PREPEND(address_pools, m->address_pools, p);
-
- *ret = p;
- return 0;
-}
-
-int address_pool_new_from_string(
- Manager *m,
- AddressPool **ret,
- int family,
- const char *p,
- unsigned prefixlen) {
-
- union in_addr_union u;
- int r;
-
- assert(m);
- assert(ret);
- assert(p);
-
- r = in_addr_from_string(family, p, &u);
- if (r < 0)
- return r;
-
- return address_pool_new(m, ret, family, &u, prefixlen);
-}
-
-void address_pool_free(AddressPool *p) {
-
- if (!p)
- return;
-
- if (p->manager)
- LIST_REMOVE(address_pools, p->manager->address_pools, p);
-
- free(p);
-}
-
-static bool address_pool_prefix_is_taken(
- AddressPool *p,
- const union in_addr_union *u,
- unsigned prefixlen) {
-
- Iterator i;
- Link *l;
- Network *n;
-
- assert(p);
- assert(u);
-
- HASHMAP_FOREACH(l, p->manager->links, i) {
- Address *a;
-
- /* Don't clash with assigned addresses */
- LIST_FOREACH(addresses, a, l->addresses) {
- if (a->family != p->family)
- continue;
-
- if (in_addr_prefix_intersect(p->family, u, prefixlen, &a->in_addr, a->prefixlen))
- return true;
- }
-
- /* Don't clash with addresses already pulled from the pool, but not assigned yet */
- LIST_FOREACH(addresses, a, l->pool_addresses) {
- if (a->family != p->family)
- continue;
-
- if (in_addr_prefix_intersect(p->family, u, prefixlen, &a->in_addr, a->prefixlen))
- return true;
- }
- }
-
- /* And don't clash with configured but un-assigned addresses either */
- LIST_FOREACH(networks, n, p->manager->networks) {
- Address *a;
-
- LIST_FOREACH(addresses, a, n->static_addresses) {
- if (a->family != p->family)
- continue;
-
- if (in_addr_prefix_intersect(p->family, u, prefixlen, &a->in_addr, a->prefixlen))
- return true;
- }
- }
-
- return false;
-}
-
-int address_pool_acquire(AddressPool *p, unsigned prefixlen, union in_addr_union *found) {
- union in_addr_union u;
-
- assert(p);
- assert(prefixlen > 0);
- assert(found);
-
- if (p->prefixlen > prefixlen)
- return 0;
-
- u = p->in_addr;
- for (;;) {
- if (!address_pool_prefix_is_taken(p, &u, prefixlen)) {
- _cleanup_free_ char *s = NULL;
-
- in_addr_to_string(p->family, &u, &s);
- log_debug("Found range %s/%u", strna(s), prefixlen);
-
- *found = u;
- return 1;
- }
-
- if (!in_addr_prefix_next(p->family, &u, prefixlen))
- return 0;
-
- if (!in_addr_prefix_intersect(p->family, &p->in_addr, p->prefixlen, &u, prefixlen))
- return 0;
- }
-
- return 0;
-}
+++ /dev/null
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- This file is part of systemd.
-
- Copyright 2013 Tom Gundersen <teg@jklm.no>
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include <net/if.h>
-
-#include "utf8.h"
-#include "util.h"
-#include "conf-parser.h"
-#include "fw-util.h"
-#include "networkd.h"
-#include "networkd-link.h"
-
-static void address_init(Address *address) {
- assert(address);
-
- address->family = AF_UNSPEC;
- address->scope = RT_SCOPE_UNIVERSE;
- address->cinfo.ifa_prefered = CACHE_INFO_INFINITY_LIFE_TIME;
- address->cinfo.ifa_valid = CACHE_INFO_INFINITY_LIFE_TIME;
-}
-
-int address_new_static(Network *network, unsigned section, Address **ret) {
- _cleanup_address_free_ Address *address = NULL;
-
- if (section) {
- address = hashmap_get(network->addresses_by_section, UINT_TO_PTR(section));
- if (address) {
- *ret = address;
- address = NULL;
-
- return 0;
- }
- }
-
- address = new0(Address, 1);
- if (!address)
- return -ENOMEM;
-
- address_init(address);
-
- address->network = network;
-
- LIST_APPEND(addresses, network->static_addresses, address);
-
- if (section) {
- address->section = section;
- hashmap_put(network->addresses_by_section,
- UINT_TO_PTR(address->section), address);
- }
-
- *ret = address;
- address = NULL;
-
- return 0;
-}
-
-int address_new_dynamic(Address **ret) {
- _cleanup_address_free_ Address *address = NULL;
-
- address = new0(Address, 1);
- if (!address)
- return -ENOMEM;
-
- address_init(address);
-
- *ret = address;
- address = NULL;
-
- return 0;
-}
-
-void address_free(Address *address) {
- if (!address)
- return;
-
- if (address->network) {
- LIST_REMOVE(addresses, address->network->static_addresses, address);
-
- if (address->section)
- hashmap_remove(address->network->addresses_by_section,
- UINT_TO_PTR(address->section));
- }
-
- free(address);
-}
-
-int address_establish(Address *address, Link *link) {
- bool masq;
- int r;
-
- assert(address);
- assert(link);
-
- masq = link->network &&
- link->network->ip_masquerade &&
- address->family == AF_INET &&
- address->scope < RT_SCOPE_LINK;
-
- /* Add firewall entry if this is requested */
- if (address->ip_masquerade_done != masq) {
- union in_addr_union masked = address->in_addr;
- in_addr_mask(address->family, &masked, address->prefixlen);
-
- r = fw_add_masquerade(masq, AF_INET, 0, &masked, address->prefixlen, NULL, NULL, 0);
- if (r < 0)
- log_link_warning_errno(link, r, "Could not enable IP masquerading: %m");
-
- address->ip_masquerade_done = masq;
- }
-
- return 0;
-}
-
-int address_release(Address *address, Link *link) {
- int r;
-
- assert(address);
- assert(link);
-
- /* Remove masquerading firewall entry if it was added */
- if (address->ip_masquerade_done) {
- union in_addr_union masked = address->in_addr;
- in_addr_mask(address->family, &masked, address->prefixlen);
-
- r = fw_add_masquerade(false, AF_INET, 0, &masked, address->prefixlen, NULL, NULL, 0);
- if (r < 0)
- log_link_warning_errno(link, r, "Failed to disable IP masquerading: %m");
-
- address->ip_masquerade_done = false;
- }
-
- return 0;
-}
-
-int address_drop(Address *address, Link *link,
- sd_rtnl_message_handler_t callback) {
- _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL;
- int r;
-
- assert(address);
- assert(address->family == AF_INET || address->family == AF_INET6);
- assert(link);
- assert(link->ifindex > 0);
- assert(link->manager);
- assert(link->manager->rtnl);
-
- address_release(address, link);
-
- r = sd_rtnl_message_new_addr(link->manager->rtnl, &req, RTM_DELADDR,
- link->ifindex, address->family);
- if (r < 0)
- return log_error_errno(r, "Could not allocate RTM_DELADDR message: %m");
-
- r = sd_rtnl_message_addr_set_prefixlen(req, address->prefixlen);
- if (r < 0)
- return log_error_errno(r, "Could not set prefixlen: %m");
-
- if (address->family == AF_INET)
- r = sd_rtnl_message_append_in_addr(req, IFA_LOCAL, &address->in_addr.in);
- else if (address->family == AF_INET6)
- r = sd_rtnl_message_append_in6_addr(req, IFA_LOCAL, &address->in_addr.in6);
- if (r < 0)
- return log_error_errno(r, "Could not append IFA_LOCAL attribute: %m");
-
- r = sd_rtnl_call_async(link->manager->rtnl, req, callback, link, 0, NULL);
- if (r < 0)
- return log_error_errno(r, "Could not send rtnetlink message: %m");
-
- link_ref(link);
-
- return 0;
-}
-
-int address_update(Address *address, Link *link,
- sd_rtnl_message_handler_t callback) {
- _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL;
- int r;
-
- assert(address);
- assert(address->family == AF_INET || address->family == AF_INET6);
- assert(link->ifindex > 0);
- assert(link->manager);
- assert(link->manager->rtnl);
-
- r = sd_rtnl_message_new_addr_update(link->manager->rtnl, &req,
- link->ifindex, address->family);
- if (r < 0)
- return log_error_errno(r, "Could not allocate RTM_NEWADDR message: %m");
-
- r = sd_rtnl_message_addr_set_prefixlen(req, address->prefixlen);
- if (r < 0)
- return log_error_errno(r, "Could not set prefixlen: %m");
-
- address->flags |= IFA_F_PERMANENT;
-
- r = sd_rtnl_message_addr_set_flags(req, address->flags & 0xff);
- if (r < 0)
- return log_error_errno(r, "Could not set flags: %m");
-
- if (address->flags & ~0xff) {
- r = sd_rtnl_message_append_u32(req, IFA_FLAGS, address->flags);
- if (r < 0)
- return log_error_errno(r, "Could not set extended flags: %m");
- }
-
- r = sd_rtnl_message_addr_set_scope(req, address->scope);
- if (r < 0)
- return log_error_errno(r, "Could not set scope: %m");
-
- if (address->family == AF_INET)
- r = sd_rtnl_message_append_in_addr(req, IFA_LOCAL, &address->in_addr.in);
- else if (address->family == AF_INET6)
- r = sd_rtnl_message_append_in6_addr(req, IFA_LOCAL, &address->in_addr.in6);
- if (r < 0)
- return log_error_errno(r, "Could not append IFA_LOCAL attribute: %m");
-
- if (address->family == AF_INET) {
- r = sd_rtnl_message_append_in_addr(req, IFA_BROADCAST, &address->broadcast);
- if (r < 0)
- return log_error_errno(r, "Could not append IFA_BROADCAST attribute: %m");
- }
-
- if (address->label) {
- r = sd_rtnl_message_append_string(req, IFA_LABEL, address->label);
- if (r < 0)
- return log_error_errno(r, "Could not append IFA_LABEL attribute: %m");
- }
-
- r = sd_rtnl_message_append_cache_info(req, IFA_CACHEINFO, &address->cinfo);
- if (r < 0)
- return log_error_errno(r, "Could not append IFA_CACHEINFO attribute: %m");
-
- r = sd_rtnl_call_async(link->manager->rtnl, req, callback, link, 0, NULL);
- if (r < 0)
- return log_error_errno(r, "Could not send rtnetlink message: %m");
-
- link_ref(link);
-
- return 0;
-}
-
-static int address_acquire(Link *link, Address *original, Address **ret) {
- union in_addr_union in_addr = {};
- struct in_addr broadcast = {};
- _cleanup_address_free_ Address *na = NULL;
- int r;
-
- assert(link);
- assert(original);
- assert(ret);
-
- /* Something useful was configured? just use it */
- if (in_addr_is_null(original->family, &original->in_addr) <= 0)
- return 0;
-
- /* The address is configured to be 0.0.0.0 or [::] by the user?
- * Then let's acquire something more useful from the pool. */
- r = manager_address_pool_acquire(link->manager, original->family, original->prefixlen, &in_addr);
- if (r < 0) {
- log_link_error(link, "Failed to acquire address from pool: %s", strerror(-r));
- return r;
- }
- if (r == 0) {
- log_link_error(link, "Couldn't find free address for interface, all taken.");
- return -EBUSY;
- }
-
- if (original->family == AF_INET) {
- /* Pick first address in range for ourselves ... */
- in_addr.in.s_addr = in_addr.in.s_addr | htobe32(1);
-
- /* .. and use last as broadcast address */
- broadcast.s_addr = in_addr.in.s_addr | htobe32(0xFFFFFFFFUL >> original->prefixlen);
- } else if (original->family == AF_INET6)
- in_addr.in6.s6_addr[15] |= 1;
-
- r = address_new_dynamic(&na);
- if (r < 0)
- return r;
-
- na->family = original->family;
- na->prefixlen = original->prefixlen;
- na->scope = original->scope;
- na->cinfo = original->cinfo;
-
- if (original->label) {
- na->label = strdup(original->label);
- if (!na->label)
- return -ENOMEM;
- }
-
- na->broadcast = broadcast;
- na->in_addr = in_addr;
-
- LIST_PREPEND(addresses, link->pool_addresses, na);
-
- *ret = na;
- na = NULL;
-
- return 0;
-}
-
-int address_configure(Address *address, Link *link,
- sd_rtnl_message_handler_t callback) {
- _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL;
- int r;
-
- assert(address);
- assert(address->family == AF_INET || address->family == AF_INET6);
- assert(link);
- assert(link->ifindex > 0);
- assert(link->manager);
- assert(link->manager->rtnl);
-
- r = address_acquire(link, address, &address);
- if (r < 0)
- return r;
-
- r = sd_rtnl_message_new_addr(link->manager->rtnl, &req, RTM_NEWADDR,
- link->ifindex, address->family);
- if (r < 0)
- return log_error_errno(r, "Could not allocate RTM_NEWADDR message: %m");
-
- r = sd_rtnl_message_addr_set_prefixlen(req, address->prefixlen);
- if (r < 0)
- return log_error_errno(r, "Could not set prefixlen: %m");
-
- address->flags |= IFA_F_PERMANENT;
-
- r = sd_rtnl_message_addr_set_flags(req, (address->flags & 0xff));
- if (r < 0)
- return log_error_errno(r, "Could not set flags: %m");
-
- if (address->flags & ~0xff) {
- r = sd_rtnl_message_append_u32(req, IFA_FLAGS, address->flags);
- if (r < 0)
- return log_error_errno(r, "Could not set extended flags: %m");
- }
-
- r = sd_rtnl_message_addr_set_scope(req, address->scope);
- if (r < 0)
- return log_error_errno(r, "Could not set scope: %m");
-
- if (address->family == AF_INET)
- r = sd_rtnl_message_append_in_addr(req, IFA_LOCAL, &address->in_addr.in);
- else if (address->family == AF_INET6)
- r = sd_rtnl_message_append_in6_addr(req, IFA_LOCAL, &address->in_addr.in6);
- if (r < 0)
- return log_error_errno(r, "Could not append IFA_LOCAL attribute: %m");
-
- if (!in_addr_is_null(address->family, &address->in_addr_peer)) {
- if (address->family == AF_INET)
- r = sd_rtnl_message_append_in_addr(req, IFA_ADDRESS, &address->in_addr_peer.in);
- else if (address->family == AF_INET6)
- r = sd_rtnl_message_append_in6_addr(req, IFA_ADDRESS, &address->in_addr_peer.in6);
- if (r < 0)
- return log_error_errno(r, "Could not append IFA_ADDRESS attribute: %m");
- } else {
- if (address->family == AF_INET) {
- r = sd_rtnl_message_append_in_addr(req, IFA_BROADCAST, &address->broadcast);
- if (r < 0)
- return log_error_errno(r, "Could not append IFA_BROADCAST attribute: %m");
- }
- }
-
- if (address->label) {
- r = sd_rtnl_message_append_string(req, IFA_LABEL, address->label);
- if (r < 0)
- return log_error_errno(r, "Could not append IFA_LABEL attribute: %m");
- }
-
- r = sd_rtnl_message_append_cache_info(req, IFA_CACHEINFO,
- &address->cinfo);
- if (r < 0)
- return log_error_errno(r, "Could not append IFA_CACHEINFO attribute: %m");
-
- r = sd_rtnl_call_async(link->manager->rtnl, req, callback, link, 0, NULL);
- if (r < 0)
- return log_error_errno(r, "Could not send rtnetlink message: %m");
-
- link_ref(link);
-
- address_establish(address, link);
-
- return 0;
-}
-
-int config_parse_broadcast(
- const char *unit,
- const char *filename,
- unsigned line,
- const char *section,
- unsigned section_line,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata) {
-
- Network *network = userdata;
- _cleanup_address_free_ Address *n = NULL;
- int r;
-
- assert(filename);
- assert(section);
- assert(lvalue);
- assert(rvalue);
- assert(data);
-
- r = address_new_static(network, section_line, &n);
- if (r < 0)
- return r;
-
- if (n->family == AF_INET6) {
- log_syntax(unit, LOG_ERR, filename, line, EINVAL,
- "Broadcast is not valid for IPv6 addresses, ignoring assignment: %s", rvalue);
- return 0;
- }
-
- r = in_addr_from_string(AF_INET, rvalue, (union in_addr_union*) &n->broadcast);
- if (r < 0) {
- log_syntax(unit, LOG_ERR, filename, line, EINVAL,
- "Broadcast is invalid, ignoring assignment: %s", rvalue);
- return 0;
- }
-
- n->family = AF_INET;
- n = NULL;
-
- return 0;
-}
-
-int config_parse_address(const char *unit,
- const char *filename,
- unsigned line,
- const char *section,
- unsigned section_line,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata) {
-
- Network *network = userdata;
- _cleanup_address_free_ Address *n = NULL;
- const char *address, *e;
- union in_addr_union buffer;
- int r, f;
-
- assert(filename);
- assert(section);
- assert(lvalue);
- assert(rvalue);
- assert(data);
-
- if (streq(section, "Network")) {
- /* we are not in an Address section, so treat
- * this as the special '0' section */
- section_line = 0;
- }
-
- r = address_new_static(network, section_line, &n);
- if (r < 0)
- return r;
-
- /* Address=address/prefixlen */
-
- /* prefixlen */
- e = strchr(rvalue, '/');
- if (e) {
- unsigned i;
- r = safe_atou(e + 1, &i);
- if (r < 0) {
- log_syntax(unit, LOG_ERR, filename, line, EINVAL,
- "Prefix length is invalid, ignoring assignment: %s", e + 1);
- return 0;
- }
-
- n->prefixlen = (unsigned char) i;
-
- address = strndupa(rvalue, e - rvalue);
- } else
- address = rvalue;
-
- r = in_addr_from_string_auto(address, &f, &buffer);
- if (r < 0) {
- log_syntax(unit, LOG_ERR, filename, line, EINVAL,
- "Address is invalid, ignoring assignment: %s", address);
- return 0;
- }
-
- if (!e && f == AF_INET) {
- r = in_addr_default_prefixlen(&buffer.in, &n->prefixlen);
- if (r < 0) {
- log_syntax(unit, LOG_ERR, filename, line, EINVAL,
- "Prefix length not specified, and a default one can not be deduced for '%s', ignoring assignment", address);
- return 0;
- }
- }
-
- if (n->family != AF_UNSPEC && f != n->family) {
- log_syntax(unit, LOG_ERR, filename, line, EINVAL,
- "Address is incompatible, ignoring assignment: %s", address);
- return 0;
- }
-
- n->family = f;
-
- if (streq(lvalue, "Address"))
- n->in_addr = buffer;
- else
- n->in_addr_peer = buffer;
-
- if (n->family == AF_INET && n->broadcast.s_addr == 0)
- n->broadcast.s_addr = n->in_addr.in.s_addr | htonl(0xfffffffflu >> n->prefixlen);
-
- n = NULL;
-
- return 0;
-}
-
-int config_parse_label(const char *unit,
- const char *filename,
- unsigned line,
- const char *section,
- unsigned section_line,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata) {
- Network *network = userdata;
- _cleanup_address_free_ Address *n = NULL;
- char *label;
- int r;
-
- assert(filename);
- assert(section);
- assert(lvalue);
- assert(rvalue);
- assert(data);
-
- r = address_new_static(network, section_line, &n);
- if (r < 0)
- return r;
-
- label = strdup(rvalue);
- if (!label)
- return log_oom();
-
- if (!ascii_is_valid(label) || strlen(label) >= IFNAMSIZ) {
- log_syntax(unit, LOG_ERR, filename, line, EINVAL,
- "Interface label is not ASCII clean or is too"
- " long, ignoring assignment: %s", rvalue);
- free(label);
- return 0;
- }
-
- free(n->label);
- if (*label)
- n->label = label;
- else {
- free(label);
- n->label = NULL;
- }
-
- n = NULL;
-
- return 0;
-}
-
-bool address_equal(Address *a1, Address *a2) {
- /* same object */
- if (a1 == a2)
- return true;
-
- /* one, but not both, is NULL */
- if (!a1 || !a2)
- return false;
-
- if (a1->family != a2->family)
- return false;
-
- switch (a1->family) {
- /* use the same notion of equality as the kernel does */
- case AF_UNSPEC:
- return true;
-
- case AF_INET:
- if (a1->prefixlen != a2->prefixlen)
- return false;
- else if (a1->prefixlen == 0)
- /* make sure we don't try to shift by 32.
- * See ISO/IEC 9899:TC3 § 6.5.7.3. */
- return true;
- else {
- uint32_t b1, b2;
-
- b1 = be32toh(a1->in_addr.in.s_addr);
- b2 = be32toh(a2->in_addr.in.s_addr);
-
- return (b1 >> (32 - a1->prefixlen)) == (b2 >> (32 - a1->prefixlen));
- }
-
- case AF_INET6: {
- uint64_t *b1, *b2;
-
- b1 = (uint64_t*)&a1->in_addr.in6;
- b2 = (uint64_t*)&a2->in_addr.in6;
-
- return (((b1[0] ^ b2[0]) | (b1[1] ^ b2[1])) == 0UL);
- }
-
- default:
- assert_not_reached("Invalid address family");
- }
-}
+++ /dev/null
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- This file is part of systemd.
-
- Copyright 2013-2014 Tom Gundersen <teg@jklm.no>
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include <netinet/ether.h>
-#include <linux/if.h>
-
-#include "networkd-link.h"
-#include "network-internal.h"
-#include "dhcp-lease-internal.h"
-
-static int dhcp4_route_handler(sd_rtnl *rtnl, sd_rtnl_message *m,
- void *userdata) {
- _cleanup_link_unref_ Link *link = userdata;
- int r;
-
- assert(link);
- assert(link->dhcp4_messages);
-
- link->dhcp4_messages --;
-
- r = sd_rtnl_message_get_errno(m);
- if (r < 0 && r != -EEXIST) {
- log_link_error(link, "could not set DHCPv4 route: %s",
- strerror(-r));
- link_enter_failed(link);
- }
-
- if (!link->dhcp4_messages) {
- link->dhcp4_configured = true;
- link_client_handler(link);
- }
-
- return 1;
-}
-
-static int link_set_dhcp_routes(Link *link) {
- struct in_addr gateway;
- struct sd_dhcp_route *static_routes;
- int r, n, i;
-
- assert(link);
- assert(link->dhcp_lease);
-
- r = sd_dhcp_lease_get_router(link->dhcp_lease, &gateway);
- if (r < 0 && r != -ENOENT) {
- log_link_warning(link,
- "DHCP error: could not get gateway: %s",
- strerror(-r));
- return r;
- }
- if (r >= 0) {
- struct in_addr address;
- _cleanup_route_free_ Route *route = NULL;
- _cleanup_route_free_ Route *route_gw = NULL;
-
- r = sd_dhcp_lease_get_address(link->dhcp_lease, &address);
- if (r < 0) {
- log_link_warning(link,
- "DHCP error: could not get address: %s",
- strerror(-r));
- return r;
- }
-
- r = route_new_dynamic(&route, RTPROT_DHCP);
- if (r < 0) {
- log_link_error(link,
- "Could not allocate route: %s",
- strerror(-r));
- return r;
- }
-
- r = route_new_dynamic(&route_gw, RTPROT_DHCP);
- if (r < 0) {
- log_link_error(link,
- "Could not allocate route: %s",
- strerror(-r));
- return r;
- }
-
- /* The dhcp netmask may mask out the gateway. Add an explicit
- * route for the gw host so that we can route no matter the
- * netmask or existing kernel route tables. */
- route_gw->family = AF_INET;
- route_gw->dst_addr.in = gateway;
- route_gw->dst_prefixlen = 32;
- route_gw->prefsrc_addr.in = address;
- route_gw->scope = RT_SCOPE_LINK;
- route_gw->metrics = link->network->dhcp_route_metric;
-
- r = route_configure(route_gw, link, &dhcp4_route_handler);
- if (r < 0) {
- log_link_warning(link,
- "could not set host route: %s",
- strerror(-r));
- return r;
- }
-
- link->dhcp4_messages ++;
-
- route->family = AF_INET;
- route->in_addr.in = gateway;
- route->prefsrc_addr.in = address;
- route->metrics = link->network->dhcp_route_metric;
-
- r = route_configure(route, link, &dhcp4_route_handler);
- if (r < 0) {
- log_link_warning(link,
- "could not set routes: %s",
- strerror(-r));
- link_enter_failed(link);
- return r;
- }
-
- link->dhcp4_messages ++;
- }
-
- n = sd_dhcp_lease_get_routes(link->dhcp_lease, &static_routes);
- if (n == -ENOENT)
- return 0;
- if (n < 0) {
- log_link_warning(link,
- "DHCP error: could not get routes: %s",
- strerror(-n));
-
- return n;
- }
-
- for (i = 0; i < n; i++) {
- _cleanup_route_free_ Route *route = NULL;
-
- r = route_new_dynamic(&route, RTPROT_DHCP);
- if (r < 0) {
- log_link_error(link, "Could not allocate route: %s",
- strerror(-r));
- return r;
- }
-
- route->family = AF_INET;
- route->in_addr.in = static_routes[i].gw_addr;
- route->dst_addr.in = static_routes[i].dst_addr;
- route->dst_prefixlen = static_routes[i].dst_prefixlen;
- route->metrics = link->network->dhcp_route_metric;
-
- r = route_configure(route, link, &dhcp4_route_handler);
- if (r < 0) {
- log_link_warning(link,
- "could not set host route: %s",
- strerror(-r));
- return r;
- }
-
- link->dhcp4_messages ++;
- }
-
- return 0;
-}
-
-static int dhcp_lease_lost(Link *link) {
- _cleanup_address_free_ Address *address = NULL;
- struct in_addr addr;
- struct in_addr netmask;
- struct in_addr gateway;
- unsigned prefixlen = 0;
- int r;
-
- assert(link);
- assert(link->dhcp_lease);
-
- log_link_warning(link, "DHCP lease lost");
-
- if (link->network->dhcp_routes) {
- struct sd_dhcp_route *routes;
- int n, i;
-
- n = sd_dhcp_lease_get_routes(link->dhcp_lease, &routes);
- if (n >= 0) {
- for (i = 0; i < n; i++) {
- _cleanup_route_free_ Route *route = NULL;
-
- r = route_new_dynamic(&route, RTPROT_UNSPEC);
- if (r >= 0) {
- route->family = AF_INET;
- route->in_addr.in = routes[i].gw_addr;
- route->dst_addr.in = routes[i].dst_addr;
- route->dst_prefixlen = routes[i].dst_prefixlen;
-
- route_drop(route, link,
- &link_route_drop_handler);
- }
- }
- }
- }
-
- r = address_new_dynamic(&address);
- if (r >= 0) {
- r = sd_dhcp_lease_get_router(link->dhcp_lease, &gateway);
- if (r >= 0) {
- _cleanup_route_free_ Route *route_gw = NULL;
- _cleanup_route_free_ Route *route = NULL;
-
- r = route_new_dynamic(&route_gw, RTPROT_UNSPEC);
- if (r >= 0) {
- route_gw->family = AF_INET;
- route_gw->dst_addr.in = gateway;
- route_gw->dst_prefixlen = 32;
- route_gw->scope = RT_SCOPE_LINK;
-
- route_drop(route_gw, link,
- &link_route_drop_handler);
- }
-
- r = route_new_dynamic(&route, RTPROT_UNSPEC);
- if (r >= 0) {
- route->family = AF_INET;
- route->in_addr.in = gateway;
-
- route_drop(route, link,
- &link_route_drop_handler);
- }
- }
-
- r = sd_dhcp_lease_get_address(link->dhcp_lease, &addr);
- if (r >= 0) {
- r = sd_dhcp_lease_get_netmask(link->dhcp_lease, &netmask);
- if (r >= 0)
- prefixlen = in_addr_netmask_to_prefixlen(&netmask);
-
- address->family = AF_INET;
- address->in_addr.in = addr;
- address->prefixlen = prefixlen;
-
- address_drop(address, link, &link_address_drop_handler);
- }
- }
-
- if (link->network->dhcp_mtu) {
- uint16_t mtu;
-
- r = sd_dhcp_lease_get_mtu(link->dhcp_lease, &mtu);
- if (r >= 0 && link->original_mtu != mtu) {
- r = link_set_mtu(link, link->original_mtu);
- if (r < 0) {
- log_link_warning(link,
- "DHCP error: could not reset MTU");
- link_enter_failed(link);
- return r;
- }
- }
- }
-
- if (link->network->dhcp_hostname) {
- const char *hostname = NULL;
-
- r = sd_dhcp_lease_get_hostname(link->dhcp_lease, &hostname);
- if (r >= 0 && hostname) {
- r = link_set_hostname(link, "");
- if (r < 0)
- log_link_error(link,
- "Failed to reset transient hostname");
- }
- }
-
- link->dhcp_lease = sd_dhcp_lease_unref(link->dhcp_lease);
- link->dhcp4_configured = false;
-
- return 0;
-}
-
-static int dhcp4_address_handler(sd_rtnl *rtnl, sd_rtnl_message *m,
- void *userdata) {
- _cleanup_link_unref_ Link *link = userdata;
- int r;
-
- assert(link);
-
- r = sd_rtnl_message_get_errno(m);
- if (r < 0 && r != -EEXIST) {
- log_link_error(link, "could not set DHCPv4 address: %s",
- strerror(-r));
- link_enter_failed(link);
- } else if (r >= 0)
- link_rtnl_process_address(rtnl, m, link->manager);
-
- link_set_dhcp_routes(link);
-
- return 1;
-}
-
-static int dhcp4_update_address(Link *link,
- struct in_addr *address,
- struct in_addr *netmask,
- uint32_t lifetime) {
- _cleanup_address_free_ Address *addr = NULL;
- unsigned prefixlen;
- int r;
-
- assert(address);
- assert(netmask);
- assert(lifetime);
-
- prefixlen = in_addr_netmask_to_prefixlen(netmask);
-
- r = address_new_dynamic(&addr);
- if (r < 0)
- return r;
-
- addr->family = AF_INET;
- addr->in_addr.in.s_addr = address->s_addr;
- addr->cinfo.ifa_prefered = lifetime;
- addr->cinfo.ifa_valid = lifetime;
- addr->prefixlen = prefixlen;
- addr->broadcast.s_addr = address->s_addr | ~netmask->s_addr;
-
- /* use update rather than configure so that we will update the
- * lifetime of an existing address if it has already been configured */
- r = address_update(addr, link, &dhcp4_address_handler);
- if (r < 0)
- return r;
-
- return 0;
-}
-
-static int dhcp_lease_renew(sd_dhcp_client *client, Link *link) {
- sd_dhcp_lease *lease;
- struct in_addr address;
- struct in_addr netmask;
- uint32_t lifetime = CACHE_INFO_INFINITY_LIFE_TIME;
- int r;
-
- assert(link);
- assert(client);
- assert(link->network);
-
- r = sd_dhcp_client_get_lease(client, &lease);
- if (r < 0) {
- log_link_warning(link, "DHCP error: no lease %s",
- strerror(-r));
- return r;
- }
-
- sd_dhcp_lease_unref(link->dhcp_lease);
- link->dhcp4_configured = false;
- link->dhcp_lease = lease;
-
- r = sd_dhcp_lease_get_address(lease, &address);
- if (r < 0) {
- log_link_warning(link, "DHCP error: no address: %s",
- strerror(-r));
- return r;
- }
-
- r = sd_dhcp_lease_get_netmask(lease, &netmask);
- if (r < 0) {
- log_link_warning(link, "DHCP error: no netmask: %s",
- strerror(-r));
- return r;
- }
-
- if (!link->network->dhcp_critical) {
- r = sd_dhcp_lease_get_lifetime(link->dhcp_lease,
- &lifetime);
- if (r < 0) {
- log_link_warning(link,
- "DHCP error: no lifetime: %s",
- strerror(-r));
- return r;
- }
- }
-
- r = dhcp4_update_address(link, &address, &netmask, lifetime);
- if (r < 0) {
- log_link_warning(link, "could not update IP address: %s",
- strerror(-r));
- link_enter_failed(link);
- return r;
- }
-
- return 0;
-}
-
-static int dhcp_lease_acquired(sd_dhcp_client *client, Link *link) {
- sd_dhcp_lease *lease;
- struct in_addr address;
- struct in_addr netmask;
- struct in_addr gateway;
- unsigned prefixlen;
- uint32_t lifetime = CACHE_INFO_INFINITY_LIFE_TIME;
- int r;
-
- assert(client);
- assert(link);
-
- r = sd_dhcp_client_get_lease(client, &lease);
- if (r < 0) {
- log_link_warning(link, "DHCP error: no lease: %s",
- strerror(-r));
- return r;
- }
-
- r = sd_dhcp_lease_get_address(lease, &address);
- if (r < 0) {
- log_link_warning(link, "DHCP error: no address: %s",
- strerror(-r));
- return r;
- }
-
- r = sd_dhcp_lease_get_netmask(lease, &netmask);
- if (r < 0) {
- log_link_warning(link, "DHCP error: no netmask: %s",
- strerror(-r));
- return r;
- }
-
- prefixlen = in_addr_netmask_to_prefixlen(&netmask);
-
- r = sd_dhcp_lease_get_router(lease, &gateway);
- if (r < 0 && r != -ENOENT) {
- log_link_warning(link, "DHCP error: could not get gateway: %s",
- strerror(-r));
- return r;
- }
-
- if (r >= 0)
- log_link_struct(link, LOG_INFO,
- "MESSAGE=%-*s: DHCPv4 address %u.%u.%u.%u/%u via %u.%u.%u.%u",
- IFNAMSIZ,
- link->ifname,
- ADDRESS_FMT_VAL(address),
- prefixlen,
- ADDRESS_FMT_VAL(gateway),
- "ADDRESS=%u.%u.%u.%u",
- ADDRESS_FMT_VAL(address),
- "PREFIXLEN=%u",
- prefixlen,
- "GATEWAY=%u.%u.%u.%u",
- ADDRESS_FMT_VAL(gateway),
- NULL);
- else
- log_link_struct(link, LOG_INFO,
- "MESSAGE=%-*s: DHCPv4 address %u.%u.%u.%u/%u",
- IFNAMSIZ,
- link->ifname,
- ADDRESS_FMT_VAL(address),
- prefixlen,
- "ADDRESS=%u.%u.%u.%u",
- ADDRESS_FMT_VAL(address),
- "PREFIXLEN=%u",
- prefixlen,
- NULL);
-
- link->dhcp_lease = lease;
-
- if (link->network->dhcp_mtu) {
- uint16_t mtu;
-
- r = sd_dhcp_lease_get_mtu(lease, &mtu);
- if (r >= 0) {
- r = link_set_mtu(link, mtu);
- if (r < 0)
- log_link_error(link, "Failed to set MTU "
- "to %" PRIu16, mtu);
- }
- }
-
- if (link->network->dhcp_hostname) {
- const char *hostname;
-
- r = sd_dhcp_lease_get_hostname(lease, &hostname);
- if (r >= 0) {
- r = link_set_hostname(link, hostname);
- if (r < 0)
- log_link_error(link,
- "Failed to set transient hostname to '%s'",
- hostname);
- }
- }
-
- if (!link->network->dhcp_critical) {
- r = sd_dhcp_lease_get_lifetime(link->dhcp_lease,
- &lifetime);
- if (r < 0) {
- log_link_warning(link,
- "DHCP error: no lifetime: %s",
- strerror(-r));
- return r;
- }
- }
-
- r = dhcp4_update_address(link, &address, &netmask, lifetime);
- if (r < 0) {
- log_link_warning(link, "could not update IP address: %s",
- strerror(-r));
- link_enter_failed(link);
- return r;
- }
-
- return 0;
-}
-static void dhcp4_handler(sd_dhcp_client *client, int event, void *userdata) {
- Link *link = userdata;
- int r = 0;
-
- assert(link);
- assert(link->network);
- assert(link->manager);
-
- if (IN_SET(link->state, LINK_STATE_FAILED, LINK_STATE_LINGER))
- return;
-
- switch (event) {
- case DHCP_EVENT_EXPIRED:
- case DHCP_EVENT_STOP:
- case DHCP_EVENT_IP_CHANGE:
- if (link->network->dhcp_critical) {
- log_link_error(link,
- "DHCPv4 connection considered system critical, ignoring request to reconfigure it.");
- return;
- }
-
- if (link->dhcp_lease) {
- r = dhcp_lease_lost(link);
- if (r < 0) {
- link_enter_failed(link);
- return;
- }
- }
-
- if (event == DHCP_EVENT_IP_CHANGE) {
- r = dhcp_lease_acquired(client, link);
- if (r < 0) {
- link_enter_failed(link);
- return;
- }
- }
-
- break;
- case DHCP_EVENT_RENEW:
- r = dhcp_lease_renew(client, link);
- if (r < 0) {
- link_enter_failed(link);
- return;
- }
- break;
- case DHCP_EVENT_IP_ACQUIRE:
- r = dhcp_lease_acquired(client, link);
- if (r < 0) {
- link_enter_failed(link);
- return;
- }
- break;
- default:
- if (event < 0)
- log_link_warning(link,
- "DHCP error: client failed: %s",
- strerror(-event));
- else
- log_link_warning(link,
- "DHCP unknown event: %d",
- event);
- break;
- }
-
- return;
-}
-
-int dhcp4_configure(Link *link) {
- int r;
-
- assert(link);
- assert(link->network);
- assert(IN_SET(link->network->dhcp, ADDRESS_FAMILY_YES, ADDRESS_FAMILY_IPV4));
-
- r = sd_dhcp_client_new(&link->dhcp_client);
- if (r < 0)
- return r;
-
- r = sd_dhcp_client_attach_event(link->dhcp_client, NULL, 0);
- if (r < 0)
- return r;
-
- r = sd_dhcp_client_set_mac(link->dhcp_client,
- (const uint8_t *) &link->mac,
- sizeof (link->mac), ARPHRD_ETHER);
- if (r < 0)
- return r;
-
- r = sd_dhcp_client_set_index(link->dhcp_client, link->ifindex);
- if (r < 0)
- return r;
-
- r = sd_dhcp_client_set_callback(link->dhcp_client, dhcp4_handler, link);
- if (r < 0)
- return r;
-
- r = sd_dhcp_client_set_request_broadcast(link->dhcp_client,
- link->network->dhcp_broadcast);
- if (r < 0)
- return r;
-
- if (link->mtu) {
- r = sd_dhcp_client_set_mtu(link->dhcp_client, link->mtu);
- if (r < 0)
- return r;
- }
-
- if (link->network->dhcp_mtu) {
- r = sd_dhcp_client_set_request_option(link->dhcp_client,
- DHCP_OPTION_INTERFACE_MTU);
- if (r < 0)
- return r;
- }
-
- if (link->network->dhcp_routes) {
- r = sd_dhcp_client_set_request_option(link->dhcp_client,
- DHCP_OPTION_STATIC_ROUTE);
- if (r < 0)
- return r;
- r = sd_dhcp_client_set_request_option(link->dhcp_client,
- DHCP_OPTION_CLASSLESS_STATIC_ROUTE);
- if (r < 0)
- return r;
- }
-
- if (link->network->dhcp_sendhost) {
- _cleanup_free_ char *hostname = NULL;
-
- hostname = gethostname_malloc();
- if (!hostname)
- return -ENOMEM;
-
- if (!is_localhost(hostname)) {
- r = sd_dhcp_client_set_hostname(link->dhcp_client,
- hostname);
- if (r < 0)
- return r;
- }
- }
-
- if (link->network->dhcp_vendor_class_identifier) {
- r = sd_dhcp_client_set_vendor_class_identifier(link->dhcp_client,
- link->network->dhcp_vendor_class_identifier);
- if (r < 0)
- return r;
- }
-
- switch (link->network->dhcp_client_identifier) {
- case DHCP_CLIENT_ID_DUID:
- /* Library defaults to this. */
- break;
- case DHCP_CLIENT_ID_MAC:
- r = sd_dhcp_client_set_client_id(link->dhcp_client,
- ARPHRD_ETHER,
- (const uint8_t *) &link->mac,
- sizeof (link->mac));
- if (r < 0)
- return r;
- break;
- default:
- assert_not_reached("Unknown client identifier type.");
- }
-
- return 0;
-}
+++ /dev/null
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- This file is part of systemd.
-
- Copyright (C) 2014 Intel Corporation. All rights reserved.
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include <netinet/ether.h>
-#include <linux/if.h>
-
-#include "networkd-link.h"
-#include "network-internal.h"
-
-#include "sd-icmp6-nd.h"
-#include "sd-dhcp6-client.h"
-
-static int dhcp6_lease_information_acquired(sd_dhcp6_client *client,
- Link *link) {
- return 0;
-}
-
-static int dhcp6_address_handler(sd_rtnl *rtnl, sd_rtnl_message *m,
- void *userdata) {
- _cleanup_link_unref_ Link *link = userdata;
- int r;
-
- assert(link);
-
- r = sd_rtnl_message_get_errno(m);
- if (r < 0 && r != -EEXIST) {
- log_link_error(link, "Could not set DHCPv6 address: %s",
- strerror(-r));
-
- link_enter_failed(link);
-
- } else if (r >= 0)
- link_rtnl_process_address(rtnl, m, link->manager);
-
- return 1;
-}
-
-static int dhcp6_address_update(Link *link, struct in6_addr *ip6_addr,
- uint8_t prefixlen, uint32_t lifetime_preferred,
- uint32_t lifetime_valid) {
- int r;
- _cleanup_address_free_ Address *addr = NULL;
-
- r = address_new_dynamic(&addr);
- if (r < 0)
- return r;
-
- addr->family = AF_INET6;
- memcpy(&addr->in_addr.in6, ip6_addr, sizeof(*ip6_addr));
-
- addr->flags = IFA_F_NOPREFIXROUTE;
- addr->prefixlen = 64;
-
- addr->cinfo.ifa_prefered = lifetime_preferred;
- addr->cinfo.ifa_valid = lifetime_valid;
-
- log_link_struct(link, LOG_INFO, "MESSAGE=%-*s: DHCPv6 address "SD_ICMP6_ADDRESS_FORMAT_STR"/%d timeout preferred %d valid %d",
- IFNAMSIZ,
- link->ifname, SD_ICMP6_ADDRESS_FORMAT_VAL(addr->in_addr.in6),
- addr->prefixlen, lifetime_preferred, lifetime_valid,
- NULL);
-
- r = address_update(addr, link, dhcp6_address_handler);
- if (r < 0)
- log_link_warning(link, "Could not assign DHCPv6 address: %s",
- strerror(-r));
-
- return r;
-}
-
-static int dhcp6_lease_address_acquired(sd_dhcp6_client *client, Link *link) {
- int r;
- sd_dhcp6_lease *lease;
- struct in6_addr ip6_addr;
- uint32_t lifetime_preferred, lifetime_valid;
- uint8_t prefixlen;
-
- r = sd_dhcp6_client_get_lease(client, &lease);
- if (r < 0)
- return r;
-
- sd_dhcp6_lease_reset_address_iter(lease);
-
- while (sd_dhcp6_lease_get_address(lease, &ip6_addr,
- &lifetime_preferred,
- &lifetime_valid) >= 0) {
-
- r = sd_icmp6_ra_get_prefixlen(link->icmp6_router_discovery,
- &ip6_addr, &prefixlen);
- if (r < 0 && r != -EADDRNOTAVAIL) {
- log_link_warning(link, "Could not get prefix information: %s",
- strerror(-r));
- return r;
- }
-
- if (r == -EADDRNOTAVAIL)
- prefixlen = 128;
-
- r = dhcp6_address_update(link, &ip6_addr, prefixlen,
- lifetime_preferred, lifetime_valid);
- if (r < 0)
- return r;
- }
-
- return 0;
-}
-
-static void dhcp6_handler(sd_dhcp6_client *client, int event, void *userdata) {
- int r;
- Link *link = userdata;
-
- assert(link);
- assert(link->network);
- assert(link->manager);
-
- if (IN_SET(link->state, LINK_STATE_FAILED, LINK_STATE_LINGER))
- return;
-
- switch(event) {
- case DHCP6_EVENT_STOP:
- case DHCP6_EVENT_RESEND_EXPIRE:
- case DHCP6_EVENT_RETRANS_MAX:
- log_link_debug(link, "DHCPv6 event %d", event);
- break;
-
- case DHCP6_EVENT_IP_ACQUIRE:
- r = dhcp6_lease_address_acquired(client, link);
- if (r < 0) {
- link_enter_failed(link);
- return;
- }
-
- /* fall through */
- case DHCP6_EVENT_INFORMATION_REQUEST:
- r = dhcp6_lease_information_acquired(client, link);
- if (r < 0) {
- link_enter_failed(link);
- return;
- }
-
- break;
-
- default:
- if (event < 0)
- log_link_warning(link, "DHCPv6 error: %s",
- strerror(-event));
- else
- log_link_warning(link, "DHCPv6 unknown event: %d",
- event);
- return;
- }
-}
-
-static int dhcp6_configure(Link *link, int event) {
- int r;
- bool information_request;
-
- assert_return(link, -EINVAL);
-
- if (link->dhcp6_client) {
- if (event != ICMP6_EVENT_ROUTER_ADVERTISMENT_MANAGED)
- return 0;
-
- r = sd_dhcp6_client_get_information_request(link->dhcp6_client,
- &information_request);
- if (r < 0) {
- log_link_warning(link, "Could not get DHCPv6 Information request setting: %s",
- strerror(-r));
- link->dhcp6_client =
- sd_dhcp6_client_unref(link->dhcp6_client);
- return r;
- }
-
- if (!information_request)
- return r;
-
- r = sd_dhcp6_client_set_information_request(link->dhcp6_client,
- false);
- if (r < 0) {
- log_link_warning(link, "Could not unset DHCPv6 Information request: %s",
- strerror(-r));
- link->dhcp6_client =
- sd_dhcp6_client_unref(link->dhcp6_client);
- return r;
- }
-
- r = sd_dhcp6_client_start(link->dhcp6_client);
- if (r < 0) {
- log_link_warning(link, "Could not restart DHCPv6 after enabling Information request: %s",
- strerror(-r));
- link->dhcp6_client =
- sd_dhcp6_client_unref(link->dhcp6_client);
- return r;
- }
-
- return r;
- }
-
- r = sd_dhcp6_client_new(&link->dhcp6_client);
- if (r < 0)
- return r;
-
- r = sd_dhcp6_client_attach_event(link->dhcp6_client, NULL, 0);
- if (r < 0) {
- link->dhcp6_client = sd_dhcp6_client_unref(link->dhcp6_client);
- return r;
- }
-
- r = sd_dhcp6_client_set_mac(link->dhcp6_client,
- (const uint8_t *) &link->mac,
- sizeof (link->mac), ARPHRD_ETHER);
- if (r < 0) {
- link->dhcp6_client = sd_dhcp6_client_unref(link->dhcp6_client);
- return r;
- }
-
- r = sd_dhcp6_client_set_index(link->dhcp6_client, link->ifindex);
- if (r < 0) {
- link->dhcp6_client = sd_dhcp6_client_unref(link->dhcp6_client);
- return r;
- }
-
- r = sd_dhcp6_client_set_callback(link->dhcp6_client, dhcp6_handler,
- link);
- if (r < 0) {
- link->dhcp6_client = sd_dhcp6_client_unref(link->dhcp6_client);
- return r;
- }
-
- if (event == ICMP6_EVENT_ROUTER_ADVERTISMENT_OTHER) {
- r = sd_dhcp6_client_set_information_request(link->dhcp6_client,
- true);
- if (r < 0) {
- link->dhcp6_client =
- sd_dhcp6_client_unref(link->dhcp6_client);
- return r;
- }
- }
-
- r = sd_dhcp6_client_start(link->dhcp6_client);
- if (r < 0)
- link->dhcp6_client = sd_dhcp6_client_unref(link->dhcp6_client);
-
- return r;
-}
-
-static void icmp6_router_handler(sd_icmp6_nd *nd, int event, void *userdata) {
- Link *link = userdata;
-
- assert(link);
- assert(link->network);
- assert(link->manager);
-
- if (IN_SET(link->state, LINK_STATE_FAILED, LINK_STATE_LINGER))
- return;
-
- switch(event) {
- case ICMP6_EVENT_ROUTER_ADVERTISMENT_NONE:
- case ICMP6_EVENT_ROUTER_ADVERTISMENT_PREFIX_EXPIRED:
- return;
-
- case ICMP6_EVENT_ROUTER_ADVERTISMENT_TIMEOUT:
- case ICMP6_EVENT_ROUTER_ADVERTISMENT_OTHER:
- case ICMP6_EVENT_ROUTER_ADVERTISMENT_MANAGED:
- dhcp6_configure(link, event);
-
- break;
-
- default:
- if (event < 0)
- log_link_warning(link, "ICMPv6 error: %s",
- strerror(-event));
- else
- log_link_warning(link, "ICMPv6 unknown event: %d",
- event);
-
- break;
- }
-
-}
-
-int icmp6_configure(Link *link) {
- int r;
-
- assert_return(link, -EINVAL);
-
- r = sd_icmp6_nd_new(&link->icmp6_router_discovery);
- if (r < 0)
- return r;
-
- r = sd_icmp6_nd_attach_event(link->icmp6_router_discovery, NULL, 0);
- if (r < 0)
- return r;
-
- r = sd_icmp6_nd_set_mac(link->icmp6_router_discovery, &link->mac);
- if (r < 0)
- return r;
-
- r = sd_icmp6_nd_set_index(link->icmp6_router_discovery, link->ifindex);
- if (r < 0)
- return r;
-
- r = sd_icmp6_nd_set_callback(link->icmp6_router_discovery,
- icmp6_router_handler, link);
-
- return r;
-}
+++ /dev/null
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- This file is part of systemd.
-
- Copyright (C) 2014 Intel Corporation. All rights reserved.
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include <net/if.h>
-#include <net/ethernet.h>
-
-#include "networkd.h"
-#include "networkd-link.h"
-#include "conf-parser.h"
-#include "util.h"
-
-/* create a new FDB entry or get an existing one. */
-int fdb_entry_new_static(Network *const network,
- const unsigned section,
- FdbEntry **ret) {
- _cleanup_fdbentry_free_ FdbEntry *fdb_entry = NULL;
- struct ether_addr *mac_addr = NULL;
-
- assert(network);
-
- /* search entry in hashmap first. */
- if(section) {
- fdb_entry = hashmap_get(network->fdb_entries_by_section, UINT_TO_PTR(section));
- if (fdb_entry) {
- *ret = fdb_entry;
- fdb_entry = NULL;
-
- return 0;
- }
- }
-
- /* allocate space for MAC address. */
- mac_addr = new0(struct ether_addr, 1);
- if (!mac_addr)
- return -ENOMEM;
-
- /* allocate space for and FDB entry. */
- fdb_entry = new0(FdbEntry, 1);
-
- if (!fdb_entry) {
- /* free previously allocated space for mac_addr. */
- free(mac_addr);
- return -ENOMEM;
- }
-
- /* init FDB structure. */
- fdb_entry->network = network;
- fdb_entry->mac_addr = mac_addr;
-
- LIST_PREPEND(static_fdb_entries, network->static_fdb_entries, fdb_entry);
-
- if (section) {
- fdb_entry->section = section;
- hashmap_put(network->fdb_entries_by_section,
- UINT_TO_PTR(fdb_entry->section), fdb_entry);
- }
-
- /* return allocated FDB structure. */
- *ret = fdb_entry;
- fdb_entry = NULL;
-
- return 0;
-}
-
-static int set_fdb_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {
- Link *link = userdata;
- int r;
-
- assert(link);
-
- r = sd_rtnl_message_get_errno(m);
- if (r < 0 && r != -EEXIST)
- log_link_error(link, "Could not add FDB entry: %s", strerror(-r));
-
- return 1;
-}
-
-/* send a request to the kernel to add a FDB entry in its static MAC table. */
-int fdb_entry_configure(Link *const link, FdbEntry *const fdb_entry) {
- _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL;
- sd_rtnl *rtnl;
- int r;
-
- assert(link);
- assert(link->manager);
- assert(fdb_entry);
-
- rtnl = link->manager->rtnl;
-
- /* create new RTM message */
- r = sd_rtnl_message_new_neigh(rtnl, &req, RTM_NEWNEIGH, link->ifindex, PF_BRIDGE);
- if (r < 0)
- return rtnl_log_create_error(r);
-
- /* only NTF_SELF flag supported. */
- r = sd_rtnl_message_neigh_set_flags(req, NTF_SELF);
- if (r < 0)
- return rtnl_log_create_error(r);
-
- /* only NUD_PERMANENT state supported. */
- r = sd_rtnl_message_neigh_set_state(req, NUD_NOARP | NUD_PERMANENT);
- if (r < 0)
- return rtnl_log_create_error(r);
-
- r = sd_rtnl_message_append_ether_addr(req, NDA_LLADDR, fdb_entry->mac_addr);
- if (r < 0)
- return rtnl_log_create_error(r);
-
- /* VLAN Id is optional. We'll add VLAN Id only if it's specified. */
- if (0 != fdb_entry->vlan_id) {
- r = sd_rtnl_message_append_u16(req, NDA_VLAN, fdb_entry->vlan_id);
- if (r < 0)
- return rtnl_log_create_error(r);
- }
-
- /* send message to the kernel to update its internal static MAC table. */
- r = sd_rtnl_call_async(rtnl, req, set_fdb_handler, link, 0, NULL);
- if (r < 0) {
- log_link_error(link, "Could not send rtnetlink message: %s", strerror(-r));
- return r;
- }
-
- return 0;
-}
-
-/* remove and FDB entry. */
-void fdb_entry_free(FdbEntry *fdb_entry) {
- if(!fdb_entry)
- return;
-
- if(fdb_entry->network) {
- LIST_REMOVE(static_fdb_entries, fdb_entry->network->static_fdb_entries,
- fdb_entry);
-
- if(fdb_entry->section)
- hashmap_remove(fdb_entry->network->fdb_entries_by_section,
- UINT_TO_PTR(fdb_entry->section));
- }
-
- free(fdb_entry->mac_addr);
-
- free(fdb_entry);
-}
-
-/* parse the HW address from config files. */
-int config_parse_fdb_hwaddr(const char *unit,
- const char *filename,
- unsigned line,
- const char *section,
- unsigned section_line,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata) {
- Network *network = userdata;
- _cleanup_fdbentry_free_ FdbEntry *fdb_entry = NULL;
- int r;
-
- assert(filename);
- assert(section);
- assert(lvalue);
- assert(rvalue);
- assert(data);
-
- r = fdb_entry_new_static(network, section_line, &fdb_entry);
- if (r < 0) {
- log_error("Failed to allocate a new FDB entry: %s", strerror(-r));
- return r;
- }
-
- /* read in the MAC address for the FDB table. */
- r = sscanf(rvalue, "%02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx",
- &fdb_entry->mac_addr->ether_addr_octet[0],
- &fdb_entry->mac_addr->ether_addr_octet[1],
- &fdb_entry->mac_addr->ether_addr_octet[2],
- &fdb_entry->mac_addr->ether_addr_octet[3],
- &fdb_entry->mac_addr->ether_addr_octet[4],
- &fdb_entry->mac_addr->ether_addr_octet[5]);
-
- if (ETHER_ADDR_LEN != r) {
- log_syntax(unit, LOG_ERR, filename, line, EINVAL,
- "Not a valid MAC address, ignoring assignment: %s", rvalue);
- return 0;
- }
-
- fdb_entry = NULL;
-
- return 0;
-}
-
-/* parse the VLAN Id from config files. */
-int config_parse_fdb_vlan_id(const char *unit,
- const char *filename,
- unsigned line,
- const char *section,
- unsigned section_line,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata) {
- Network *network = userdata;
- _cleanup_fdbentry_free_ FdbEntry *fdb_entry = NULL;
- int r;
-
- assert(filename);
- assert(section);
- assert(lvalue);
- assert(rvalue);
- assert(data);
-
- r = fdb_entry_new_static(network, section_line, &fdb_entry);
- if (r < 0) {
- log_error("Failed to allocate a new FDB entry: %s", strerror(-r));
- return r;
- }
-
- r = config_parse_unsigned(unit, filename, line, section,
- section_line, lvalue, ltype,
- rvalue, &fdb_entry->vlan_id, userdata);
- if (r < 0) {
- log_error("Failed to parse the unsigned integer: %s", strerror(-r));
- return r;
- }
-
- fdb_entry = NULL;
-
- return 0;
-}
+++ /dev/null
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- This file is part of systemd.
-
- Copyright 2013-2014 Tom Gundersen <teg@jklm.no>
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include <netinet/ether.h>
-#include <linux/if.h>
-
-#include "networkd-link.h"
-#include "network-internal.h"
-
-static int ipv4ll_address_lost(Link *link) {
- _cleanup_address_free_ Address *address = NULL;
- _cleanup_route_free_ Route *route = NULL;
- struct in_addr addr;
- int r;
-
- assert(link);
-
- link->ipv4ll_route = false;
- link->ipv4ll_address = false;
-
- r = sd_ipv4ll_get_address(link->ipv4ll, &addr);
- if (r < 0)
- return 0;
-
- log_link_debug(link, "IPv4 link-local release %u.%u.%u.%u", ADDRESS_FMT_VAL(addr));
-
- r = address_new_dynamic(&address);
- if (r < 0) {
- log_link_error(link, "Could not allocate address: %s", strerror(-r));
- return r;
- }
-
- address->family = AF_INET;
- address->in_addr.in = addr;
- address->prefixlen = 16;
- address->scope = RT_SCOPE_LINK;
-
- address_drop(address, link, &link_address_drop_handler);
-
- r = route_new_dynamic(&route, RTPROT_UNSPEC);
- if (r < 0) {
- log_link_error(link, "Could not allocate route: %s",
- strerror(-r));
- return r;
- }
-
- route->family = AF_INET;
- route->scope = RT_SCOPE_LINK;
- route->metrics = IPV4LL_ROUTE_METRIC;
-
- route_drop(route, link, &link_route_drop_handler);
-
- link_client_handler(link);
-
- return 0;
-}
-
-static int ipv4ll_route_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {
- _cleanup_link_unref_ Link *link = userdata;
- int r;
-
- assert(link);
- assert(!link->ipv4ll_route);
-
- r = sd_rtnl_message_get_errno(m);
- if (r < 0 && r != -EEXIST) {
- log_link_error(link, "could not set ipv4ll route: %s", strerror(-r));
- link_enter_failed(link);
- }
-
- link->ipv4ll_route = true;
-
- if (link->ipv4ll_address == true)
- link_client_handler(link);
-
- return 1;
-}
-
-static int ipv4ll_address_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {
- _cleanup_link_unref_ Link *link = userdata;
- int r;
-
- assert(link);
- assert(!link->ipv4ll_address);
-
- r = sd_rtnl_message_get_errno(m);
- if (r < 0 && r != -EEXIST) {
- log_link_error(link, "could not set ipv4ll address: %s", strerror(-r));
- link_enter_failed(link);
- } else if (r >= 0)
- link_rtnl_process_address(rtnl, m, link->manager);
-
- link->ipv4ll_address = true;
-
- if (link->ipv4ll_route == true)
- link_client_handler(link);
-
- return 1;
-}
-
-static int ipv4ll_address_claimed(sd_ipv4ll *ll, Link *link) {
- _cleanup_address_free_ Address *ll_addr = NULL;
- _cleanup_route_free_ Route *route = NULL;
- struct in_addr address;
- int r;
-
- assert(ll);
- assert(link);
-
- r = sd_ipv4ll_get_address(ll, &address);
- if (r == -ENOENT)
- return 0;
- else if (r < 0)
- return r;
-
- log_link_debug(link, "IPv4 link-local claim %u.%u.%u.%u",
- ADDRESS_FMT_VAL(address));
-
- r = address_new_dynamic(&ll_addr);
- if (r < 0)
- return r;
-
- ll_addr->family = AF_INET;
- ll_addr->in_addr.in = address;
- ll_addr->prefixlen = 16;
- ll_addr->broadcast.s_addr = ll_addr->in_addr.in.s_addr | htonl(0xfffffffflu >> ll_addr->prefixlen);
- ll_addr->scope = RT_SCOPE_LINK;
-
- r = address_configure(ll_addr, link, ipv4ll_address_handler);
- if (r < 0)
- return r;
-
- link->ipv4ll_address = false;
-
- r = route_new_dynamic(&route, RTPROT_STATIC);
- if (r < 0)
- return r;
-
- route->family = AF_INET;
- route->scope = RT_SCOPE_LINK;
- route->metrics = IPV4LL_ROUTE_METRIC;
-
- r = route_configure(route, link, ipv4ll_route_handler);
- if (r < 0)
- return r;
-
- link->ipv4ll_route = false;
-
- return 0;
-}
-
-static void ipv4ll_handler(sd_ipv4ll *ll, int event, void *userdata){
- Link *link = userdata;
- int r;
-
- assert(link);
- assert(link->network);
- assert(link->manager);
-
- if (IN_SET(link->state, LINK_STATE_FAILED, LINK_STATE_LINGER))
- return;
-
- switch(event) {
- case IPV4LL_EVENT_STOP:
- case IPV4LL_EVENT_CONFLICT:
- r = ipv4ll_address_lost(link);
- if (r < 0) {
- link_enter_failed(link);
- return;
- }
- break;
- case IPV4LL_EVENT_BIND:
- r = ipv4ll_address_claimed(ll, link);
- if (r < 0) {
- link_enter_failed(link);
- return;
- }
- break;
- default:
- if (event < 0)
- log_link_warning(link, "IPv4 link-local error: %s", strerror(-event));
- else
- log_link_warning(link, "IPv4 link-local unknown event: %d", event);
- break;
- }
-}
-
-int ipv4ll_configure(Link *link) {
- uint8_t seed[8];
- int r;
-
- assert(link);
- assert(link->network);
- assert(IN_SET(link->network->link_local, ADDRESS_FAMILY_IPV4, ADDRESS_FAMILY_YES));
-
- r = sd_ipv4ll_new(&link->ipv4ll);
- if (r < 0)
- return r;
-
- if (link->udev_device) {
- r = net_get_unique_predictable_data(link->udev_device, seed);
- if (r >= 0) {
- r = sd_ipv4ll_set_address_seed(link->ipv4ll, seed);
- if (r < 0)
- return r;
- }
- }
-
- r = sd_ipv4ll_attach_event(link->ipv4ll, NULL, 0);
- if (r < 0)
- return r;
-
- r = sd_ipv4ll_set_mac(link->ipv4ll, &link->mac);
- if (r < 0)
- return r;
-
- r = sd_ipv4ll_set_index(link->ipv4ll, link->ifindex);
- if (r < 0)
- return r;
-
- r = sd_ipv4ll_set_callback(link->ipv4ll, ipv4ll_handler, link);
- if (r < 0)
- return r;
-
- return 0;
-}
+++ /dev/null
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- This file is part of systemd.
-
- Copyright 2015 Tom Gundersen
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include "bus-util.h"
-#include "strv.h"
-
-#include "networkd.h"
-#include "networkd-link.h"
-
-static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_operational_state, link_operstate, LinkOperationalState);
-static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_administrative_state, link_state, LinkState);
-
-const sd_bus_vtable link_vtable[] = {
- SD_BUS_VTABLE_START(0),
-
- SD_BUS_PROPERTY("OperationalState", "s", property_get_operational_state, offsetof(Link, operstate), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
- SD_BUS_PROPERTY("AdministrativeState", "s", property_get_administrative_state, offsetof(Link, state), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
-
- SD_BUS_VTABLE_END
-};
-
-static char *link_bus_path(Link *link) {
- _cleanup_free_ char *ifindex = NULL;
- char *p;
- int r;
-
- assert(link);
- assert(link->ifindex > 0);
-
- if (asprintf(&ifindex, "%d", link->ifindex) < 0)
- return NULL;
-
- r = sd_bus_path_encode("/org/freedesktop/network1/link", ifindex, &p);
- if (r < 0)
- return NULL;
-
- return p;
-}
-
-int link_node_enumerator(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error) {
- _cleanup_strv_free_ char **l = NULL;
- Manager *m = userdata;
- Link *link;
- Iterator i;
- int r;
-
- assert(bus);
- assert(path);
- assert(m);
- assert(nodes);
-
- HASHMAP_FOREACH(link, m->links, i) {
- char *p;
-
- p = link_bus_path(link);
- if (!p)
- return -ENOMEM;
-
- r = strv_consume(&l, p);
- if (r < 0)
- return r;
- }
-
- *nodes = l;
- l = NULL;
-
- return 1;
-}
-
-int link_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) {
- _cleanup_free_ char *identifier = NULL;
- Manager *m = userdata;
- Link *link;
- int ifindex, r;
-
- assert(bus);
- assert(path);
- assert(interface);
- assert(m);
- assert(found);
-
- r = sd_bus_path_decode(path, "/org/freedesktop/network1/link", &identifier);
- if (r < 0)
- return 0;
-
- r = safe_atoi(identifier, &ifindex);
- if (r < 0)
- return 0;
-
- r = link_get(m, ifindex, &link);
- if (r < 0)
- return 0;
-
- *found = link;
-
- return 1;
-}
-
-int link_send_changed(Link *link, const char *property, ...) {
- _cleanup_free_ char *p = NULL;
- char **l;
-
- assert(link);
- assert(link->manager);
-
- if (!link->manager->bus)
- return 0; /* replace with assert when we have kdbus */
-
- l = strv_from_stdarg_alloca(property);
-
- p = link_bus_path(link);
- if (!p)
- return -ENOMEM;
-
- return sd_bus_emit_properties_changed_strv(
- link->manager->bus,
- p,
- "org.freedesktop.network1.Link",
- l);
-}
+++ /dev/null
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- This file is part of systemd.
-
- Copyright 2013 Tom Gundersen <teg@jklm.no>
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include <netinet/ether.h>
-#include <linux/if.h>
-#include <unistd.h>
-
-#include "util.h"
-#include "virt.h"
-#include "fileio.h"
-#include "bus-util.h"
-#include "udev-util.h"
-#include "network-internal.h"
-#include "networkd-link.h"
-#include "networkd-netdev.h"
-
-bool link_dhcp6_enabled(Link *link) {
- if (link->flags & IFF_LOOPBACK)
- return false;
-
- if (!link->network)
- return false;
-
- return IN_SET(link->network->dhcp, ADDRESS_FAMILY_IPV6, ADDRESS_FAMILY_YES);
-}
-
-bool link_dhcp4_enabled(Link *link) {
- if (link->flags & IFF_LOOPBACK)
- return false;
-
- if (!link->network)
- return false;
-
- return IN_SET(link->network->dhcp, ADDRESS_FAMILY_IPV4, ADDRESS_FAMILY_YES);
-}
-
-bool link_dhcp4_server_enabled(Link *link) {
- if (link->flags & IFF_LOOPBACK)
- return false;
-
- if (!link->network)
- return false;
-
- return link->network->dhcp_server;
-}
-
-bool link_ipv4ll_enabled(Link *link) {
- if (link->flags & IFF_LOOPBACK)
- return false;
-
- if (!link->network)
- return false;
-
- return IN_SET(link->network->link_local, ADDRESS_FAMILY_IPV4, ADDRESS_FAMILY_YES);
-}
-
-bool link_ipv6ll_enabled(Link *link) {
- if (link->flags & IFF_LOOPBACK)
- return false;
-
- if (!link->network)
- return false;
-
- return IN_SET(link->network->link_local, ADDRESS_FAMILY_IPV6, ADDRESS_FAMILY_YES);
-}
-
-bool link_lldp_enabled(Link *link) {
- if (link->flags & IFF_LOOPBACK)
- return false;
-
- if (!link->network)
- return false;
-
- if (link->network->bridge)
- return false;
-
- return link->network->lldp;
-}
-
-static bool link_ipv4_forward_enabled(Link *link) {
- if (link->flags & IFF_LOOPBACK)
- return false;
-
- if (!link->network)
- return false;
-
- return IN_SET(link->network->ip_forward, ADDRESS_FAMILY_IPV4, ADDRESS_FAMILY_YES);
-}
-
-static bool link_ipv6_forward_enabled(Link *link) {
- if (link->flags & IFF_LOOPBACK)
- return false;
-
- if (!link->network)
- return false;
-
- return IN_SET(link->network->ip_forward, ADDRESS_FAMILY_IPV6, ADDRESS_FAMILY_YES);
-}
-
-#define FLAG_STRING(string, flag, old, new) \
- (((old ^ new) & flag) \
- ? ((old & flag) ? (" -" string) : (" +" string)) \
- : "")
-
-static int link_update_flags(Link *link, sd_rtnl_message *m) {
- unsigned flags, unknown_flags_added, unknown_flags_removed, unknown_flags;
- uint8_t operstate;
- int r;
-
- assert(link);
-
- r = sd_rtnl_message_link_get_flags(m, &flags);
- if (r < 0) {
- log_link_warning(link, "Could not get link flags");
- return r;
- }
-
- r = sd_rtnl_message_read_u8(m, IFLA_OPERSTATE, &operstate);
- if (r < 0)
- /* if we got a message without operstate, take it to mean
- the state was unchanged */
- operstate = link->kernel_operstate;
-
- if ((link->flags == flags) && (link->kernel_operstate == operstate))
- return 0;
-
- if (link->flags != flags) {
- log_link_debug(link, "flags change:%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s",
- FLAG_STRING("LOOPBACK", IFF_LOOPBACK, link->flags, flags),
- FLAG_STRING("MASTER", IFF_MASTER, link->flags, flags),
- FLAG_STRING("SLAVE", IFF_SLAVE, link->flags, flags),
- FLAG_STRING("UP", IFF_UP, link->flags, flags),
- FLAG_STRING("DORMANT", IFF_DORMANT, link->flags, flags),
- FLAG_STRING("LOWER_UP", IFF_LOWER_UP, link->flags, flags),
- FLAG_STRING("RUNNING", IFF_RUNNING, link->flags, flags),
- FLAG_STRING("MULTICAST", IFF_MULTICAST, link->flags, flags),
- FLAG_STRING("BROADCAST", IFF_BROADCAST, link->flags, flags),
- FLAG_STRING("POINTOPOINT", IFF_POINTOPOINT, link->flags, flags),
- FLAG_STRING("PROMISC", IFF_PROMISC, link->flags, flags),
- FLAG_STRING("ALLMULTI", IFF_ALLMULTI, link->flags, flags),
- FLAG_STRING("PORTSEL", IFF_PORTSEL, link->flags, flags),
- FLAG_STRING("AUTOMEDIA", IFF_AUTOMEDIA, link->flags, flags),
- FLAG_STRING("DYNAMIC", IFF_DYNAMIC, link->flags, flags),
- FLAG_STRING("NOARP", IFF_NOARP, link->flags, flags),
- FLAG_STRING("NOTRAILERS", IFF_NOTRAILERS, link->flags, flags),
- FLAG_STRING("DEBUG", IFF_DEBUG, link->flags, flags),
- FLAG_STRING("ECHO", IFF_ECHO, link->flags, flags));
-
- unknown_flags = ~(IFF_LOOPBACK | IFF_MASTER | IFF_SLAVE | IFF_UP |
- IFF_DORMANT | IFF_LOWER_UP | IFF_RUNNING |
- IFF_MULTICAST | IFF_BROADCAST | IFF_POINTOPOINT |
- IFF_PROMISC | IFF_ALLMULTI | IFF_PORTSEL |
- IFF_AUTOMEDIA | IFF_DYNAMIC | IFF_NOARP |
- IFF_NOTRAILERS | IFF_DEBUG | IFF_ECHO);
- unknown_flags_added = ((link->flags ^ flags) & flags & unknown_flags);
- unknown_flags_removed = ((link->flags ^ flags) & link->flags & unknown_flags);
-
- /* link flags are currently at most 18 bits, let's align to
- * printing 20 */
- if (unknown_flags_added)
- log_link_debug(link,
- "unknown link flags gained: %#.5x (ignoring)",
- unknown_flags_added);
-
- if (unknown_flags_removed)
- log_link_debug(link,
- "unknown link flags lost: %#.5x (ignoring)",
- unknown_flags_removed);
- }
-
- link->flags = flags;
- link->kernel_operstate = operstate;
-
- link_save(link);
-
- return 0;
-}
-
-static int link_new(Manager *manager, sd_rtnl_message *message, Link **ret) {
- _cleanup_link_unref_ Link *link = NULL;
- uint16_t type;
- const char *ifname;
- int r, ifindex;
-
- assert(manager);
- assert(message);
- assert(ret);
-
- r = sd_rtnl_message_get_type(message, &type);
- if (r < 0)
- return r;
- else if (type != RTM_NEWLINK)
- return -EINVAL;
-
- r = sd_rtnl_message_link_get_ifindex(message, &ifindex);
- if (r < 0)
- return r;
- else if (ifindex <= 0)
- return -EINVAL;
-
- r = sd_rtnl_message_read_string(message, IFLA_IFNAME, &ifname);
- if (r < 0)
- return r;
-
- link = new0(Link, 1);
- if (!link)
- return -ENOMEM;
-
- link->n_ref = 1;
- link->manager = manager;
- link->state = LINK_STATE_PENDING;
- link->ifindex = ifindex;
- link->ifname = strdup(ifname);
- if (!link->ifname)
- return -ENOMEM;
-
- r = sd_rtnl_message_read_ether_addr(message, IFLA_ADDRESS, &link->mac);
- if (r < 0)
- log_link_debug(link, "MAC address not found for new device, continuing without");
-
- r = asprintf(&link->state_file, "/run/systemd/netif/links/%d",
- link->ifindex);
- if (r < 0)
- return -ENOMEM;
-
- r = asprintf(&link->lease_file, "/run/systemd/netif/leases/%d",
- link->ifindex);
- if (r < 0)
- return -ENOMEM;
-
- r = asprintf(&link->lldp_file, "/run/systemd/netif/lldp/%d",
- link->ifindex);
- if (r < 0)
- return -ENOMEM;
-
-
- r = hashmap_ensure_allocated(&manager->links, NULL);
- if (r < 0)
- return r;
-
- r = hashmap_put(manager->links, INT_TO_PTR(link->ifindex), link);
- if (r < 0)
- return r;
-
- r = link_update_flags(link, message);
- if (r < 0)
- return r;
-
- *ret = link;
- link = NULL;
-
- return 0;
-}
-
-static void link_free(Link *link) {
- Address *address;
- Iterator i;
- Link *carrier;
-
- if (!link)
- return;
-
- while ((address = link->addresses)) {
- LIST_REMOVE(addresses, link->addresses, address);
- address_free(address);
- }
-
- while ((address = link->pool_addresses)) {
- LIST_REMOVE(addresses, link->pool_addresses, address);
- address_free(address);
- }
-
- sd_dhcp_server_unref(link->dhcp_server);
- sd_dhcp_client_unref(link->dhcp_client);
- sd_dhcp_lease_unref(link->dhcp_lease);
-
- free(link->lease_file);
-
- sd_lldp_free(link->lldp);
-
- free(link->lldp_file);
-
- sd_ipv4ll_unref(link->ipv4ll);
- sd_dhcp6_client_unref(link->dhcp6_client);
- sd_icmp6_nd_unref(link->icmp6_router_discovery);
-
- if (link->manager)
- hashmap_remove(link->manager->links, INT_TO_PTR(link->ifindex));
-
- free(link->ifname);
-
- free(link->state_file);
-
- udev_device_unref(link->udev_device);
-
- HASHMAP_FOREACH (carrier, link->bound_to_links, i)
- hashmap_remove(link->bound_to_links, INT_TO_PTR(carrier->ifindex));
- hashmap_free(link->bound_to_links);
-
- HASHMAP_FOREACH (carrier, link->bound_by_links, i)
- hashmap_remove(link->bound_by_links, INT_TO_PTR(carrier->ifindex));
- hashmap_free(link->bound_by_links);
-
- free(link);
-}
-
-Link *link_unref(Link *link) {
- if (link && (-- link->n_ref <= 0))
- link_free(link);
-
- return NULL;
-}
-
-Link *link_ref(Link *link) {
- if (link)
- assert_se(++ link->n_ref >= 2);
-
- return link;
-}
-
-int link_get(Manager *m, int ifindex, Link **ret) {
- Link *link;
-
- assert(m);
- assert(ifindex);
- assert(ret);
-
- link = hashmap_get(m->links, INT_TO_PTR(ifindex));
- if (!link)
- return -ENODEV;
-
- *ret = link;
-
- return 0;
-}
-
-static void link_set_state(Link *link, LinkState state) {
- assert(link);
-
- if (link->state == state)
- return;
-
- link->state = state;
-
- link_send_changed(link, "AdministrativeState", NULL);
-
- return;
-}
-
-static void link_enter_unmanaged(Link *link) {
- assert(link);
-
- log_link_debug(link, "unmanaged");
-
- link_set_state(link, LINK_STATE_UNMANAGED);
-
- link_save(link);
-}
-
-static int link_stop_clients(Link *link) {
- int r = 0, k;
-
- assert(link);
- assert(link->manager);
- assert(link->manager->event);
-
- if (!link->network)
- return 0;
-
- if (link->dhcp_client) {
- k = sd_dhcp_client_stop(link->dhcp_client);
- if (k < 0) {
- log_link_warning(link, "Could not stop DHCPv4 client: %s",
- strerror(-r));
- r = k;
- }
- }
-
- if (link->ipv4ll) {
- k = sd_ipv4ll_stop(link->ipv4ll);
- if (k < 0) {
- log_link_warning(link, "Could not stop IPv4 link-local: %s",
- strerror(-r));
- r = k;
- }
- }
-
- if(link->icmp6_router_discovery) {
-
- if (link->dhcp6_client) {
- k = sd_dhcp6_client_stop(link->dhcp6_client);
- if (k < 0) {
- log_link_warning(link, "Could not stop DHCPv6 client: %s",
- strerror(-r));
- r = k;
- }
- }
-
- k = sd_icmp6_nd_stop(link->icmp6_router_discovery);
- if (k < 0) {
- log_link_warning(link,
- "Could not stop ICMPv6 router discovery: %s",
- strerror(-r));
- r = k;
- }
- }
-
- if (link->lldp) {
-
- k = sd_lldp_stop(link->lldp);
- if (k < 0) {
- log_link_warning(link, "Could not stop LLDP : %s",
- strerror(-r));
- r = k;
- }
- }
-
- return r;
-}
-
-void link_enter_failed(Link *link) {
- assert(link);
-
- if (IN_SET(link->state, LINK_STATE_FAILED, LINK_STATE_LINGER))
- return;
-
- log_link_warning(link, "failed");
-
- link_set_state(link, LINK_STATE_FAILED);
-
- link_stop_clients(link);
-
- link_save(link);
-}
-
-static Address* link_find_dhcp_server_address(Link *link) {
- Address *address;
-
- assert(link);
- assert(link->network);
-
- /* The first statically configured address if there is any */
- LIST_FOREACH(addresses, address, link->network->static_addresses) {
-
- if (address->family != AF_INET)
- continue;
-
- if (in_addr_is_null(address->family, &address->in_addr))
- continue;
-
- return address;
- }
-
- /* If that didn't work, find a suitable address we got from the pool */
- LIST_FOREACH(addresses, address, link->pool_addresses) {
- if (address->family != AF_INET)
- continue;
-
- return address;
- }
-
- return NULL;
-}
-
-static int link_enter_configured(Link *link) {
- assert(link);
- assert(link->network);
- assert(link->state == LINK_STATE_SETTING_ROUTES);
-
- log_link_info(link, "link configured");
-
- link_set_state(link, LINK_STATE_CONFIGURED);
-
- link_save(link);
-
- return 0;
-}
-
-void link_client_handler(Link *link) {
- assert(link);
- assert(link->network);
-
- if (!link->static_configured)
- return;
-
- if (link_ipv4ll_enabled(link))
- if (!link->ipv4ll_address ||
- !link->ipv4ll_route)
- return;
-
- if (link_dhcp4_enabled(link) && !link->dhcp4_configured)
- return;
-
- if (link->state != LINK_STATE_CONFIGURED)
- link_enter_configured(link);
-
- return;
-}
-
-static int route_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {
- _cleanup_link_unref_ Link *link = userdata;
- int r;
-
- assert(link->link_messages > 0);
- assert(IN_SET(link->state, LINK_STATE_SETTING_ADDRESSES,
- LINK_STATE_SETTING_ROUTES, LINK_STATE_FAILED,
- LINK_STATE_LINGER));
-
- link->link_messages --;
-
- if (IN_SET(link->state, LINK_STATE_FAILED, LINK_STATE_LINGER))
- return 1;
-
- r = sd_rtnl_message_get_errno(m);
- if (r < 0 && r != -EEXIST)
- log_link_warning_errno(link, -r, "%-*s: could not set route: %m", IFNAMSIZ, link->ifname);
-
- if (link->link_messages == 0) {
- log_link_debug(link, "routes set");
- link->static_configured = true;
- link_client_handler(link);
- }
-
- return 1;
-}
-
-static int link_enter_set_routes(Link *link) {
- Route *rt;
- int r;
-
- assert(link);
- assert(link->network);
- assert(link->state == LINK_STATE_SETTING_ADDRESSES);
-
- link_set_state(link, LINK_STATE_SETTING_ROUTES);
-
- LIST_FOREACH(routes, rt, link->network->static_routes) {
- r = route_configure(rt, link, &route_handler);
- if (r < 0) {
- log_link_warning(link,
- "could not set routes: %s",
- strerror(-r));
- link_enter_failed(link);
- return r;
- }
-
- link->link_messages ++;
- }
-
- if (link->link_messages == 0) {
- link->static_configured = true;
- link_client_handler(link);
- } else
- log_link_debug(link, "setting routes");
-
- return 0;
-}
-
-int link_route_drop_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {
- _cleanup_link_unref_ Link *link = userdata;
- int r;
-
- assert(m);
- assert(link);
- assert(link->ifname);
-
- if (IN_SET(link->state, LINK_STATE_FAILED, LINK_STATE_LINGER))
- return 1;
-
- r = sd_rtnl_message_get_errno(m);
- if (r < 0 && r != -ESRCH)
- log_link_warning_errno(link, -r, "%-*s: could not drop route: %m", IFNAMSIZ, link->ifname);
-
- return 1;
-}
-
-static int address_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {
- _cleanup_link_unref_ Link *link = userdata;
- int r;
-
- assert(rtnl);
- assert(m);
- assert(link);
- assert(link->ifname);
- assert(link->link_messages > 0);
- assert(IN_SET(link->state, LINK_STATE_SETTING_ADDRESSES,
- LINK_STATE_FAILED, LINK_STATE_LINGER));
-
- link->link_messages --;
-
- if (IN_SET(link->state, LINK_STATE_FAILED, LINK_STATE_LINGER))
- return 1;
-
- r = sd_rtnl_message_get_errno(m);
- if (r < 0 && r != -EEXIST)
- log_link_warning_errno(link, -r, "%-*s: could not set address: %m", IFNAMSIZ, link->ifname);
- else if (r >= 0)
- link_rtnl_process_address(rtnl, m, link->manager);
-
- if (link->link_messages == 0) {
- log_link_debug(link, "addresses set");
- link_enter_set_routes(link);
- }
-
- return 1;
-}
-
-static int link_enter_set_addresses(Link *link) {
- Address *ad;
- int r;
-
- assert(link);
- assert(link->network);
- assert(link->state != _LINK_STATE_INVALID);
-
- link_set_state(link, LINK_STATE_SETTING_ADDRESSES);
-
- LIST_FOREACH(addresses, ad, link->network->static_addresses) {
- r = address_configure(ad, link, &address_handler);
- if (r < 0) {
- log_link_warning_errno(link, r, "Could not set addresses: %m");
- link_enter_failed(link);
- return r;
- }
-
- link->link_messages ++;
- }
-
- /* now that we can figure out a default address for the dhcp server,
- start it */
- if (link_dhcp4_server_enabled(link)) {
- struct in_addr pool_start;
- Address *address;
-
- address = link_find_dhcp_server_address(link);
- if (!address) {
- log_link_warning(link,
- "Failed to find suitable address for DHCPv4 server instance.");
- link_enter_failed(link);
- return 0;
- }
-
- r = sd_dhcp_server_set_address(link->dhcp_server,
- &address->in_addr.in,
- address->prefixlen);
- if (r < 0)
- return r;
-
- /* offer 32 addresses starting from the address following the server address */
- pool_start.s_addr = htobe32(be32toh(address->in_addr.in.s_addr) + 1);
- r = sd_dhcp_server_set_lease_pool(link->dhcp_server,
- &pool_start, 32);
- if (r < 0)
- return r;
-
- /* TODO:
- r = sd_dhcp_server_set_router(link->dhcp_server,
- &main_address->in_addr.in);
- if (r < 0)
- return r;
-
- r = sd_dhcp_server_set_prefixlen(link->dhcp_server,
- main_address->prefixlen);
- if (r < 0)
- return r;
- */
-
- r = sd_dhcp_server_start(link->dhcp_server);
- if (r < 0) {
- log_link_warning(link, "could not start DHCPv4 server "
- "instance: %s", strerror(-r));
-
- link_enter_failed(link);
-
- return 0;
- }
-
- log_link_debug(link, "offering DHCPv4 leases");
- }
-
- if (link->link_messages == 0) {
- link_enter_set_routes(link);
- } else
- log_link_debug(link, "setting addresses");
-
- return 0;
-}
-
-int link_address_drop_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {
- _cleanup_link_unref_ Link *link = userdata;
- int r;
-
- assert(m);
- assert(link);
- assert(link->ifname);
-
- if (IN_SET(link->state, LINK_STATE_FAILED, LINK_STATE_LINGER))
- return 1;
-
- r = sd_rtnl_message_get_errno(m);
- if (r < 0 && r != -EADDRNOTAVAIL)
- log_link_warning_errno(link, -r, "%-*s: could not drop address: %m", IFNAMSIZ, link->ifname);
-
- return 1;
-}
-
-static int link_set_bridge_fdb(Link *const link) {
- FdbEntry *fdb_entry;
- int r = 0;
-
- LIST_FOREACH(static_fdb_entries, fdb_entry, link->network->static_fdb_entries) {
- r = fdb_entry_configure(link, fdb_entry);
- if(r < 0) {
- log_link_error(link, "Failed to add MAC entry to static MAC table: %s", strerror(-r));
- break;
- }
- }
-
- return r;
-}
-
-static int link_set_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {
- _cleanup_link_unref_ Link *link = userdata;
- int r;
-
- log_link_debug(link, "set link");
-
- r = sd_rtnl_message_get_errno(m);
- if (r < 0 && r != -EEXIST) {
- log_link_struct(link, LOG_ERR,
- "MESSAGE=%-*s: could not join netdev: %s",
- IFNAMSIZ,
- link->ifname, strerror(-r),
- "ERRNO=%d", -r,
- NULL);
- link_enter_failed(link);
- return 1;
- }
-
- return 0;
-}
-
-static int set_hostname_handler(sd_bus *bus, sd_bus_message *m, void *userdata,
- sd_bus_error *ret_error) {
- _cleanup_link_unref_ Link *link = userdata;
- int r;
-
- assert(link);
-
- if (IN_SET(link->state, LINK_STATE_FAILED, LINK_STATE_LINGER))
- return 1;
-
- r = sd_bus_message_get_errno(m);
- if (r > 0)
- log_link_warning(link, "Could not set hostname: %s",
- strerror(r));
-
- return 1;
-}
-
-int link_set_hostname(Link *link, const char *hostname) {
- _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
- int r = 0;
-
- assert(link);
- assert(link->manager);
- assert(hostname);
-
- log_link_debug(link, "Setting transient hostname: '%s'", hostname);
-
- if (!link->manager->bus) {
- /* TODO: replace by assert when we can rely on kdbus */
- log_link_info(link,
- "Not connected to system bus, ignoring transient hostname.");
- return 0;
- }
-
- r = sd_bus_message_new_method_call(
- link->manager->bus,
- &m,
- "org.freedesktop.hostname1",
- "/org/freedesktop/hostname1",
- "org.freedesktop.hostname1",
- "SetHostname");
- if (r < 0)
- return r;
-
- r = sd_bus_message_append(m, "sb", hostname, false);
- if (r < 0)
- return r;
-
- r = sd_bus_call_async(link->manager->bus, NULL, m, set_hostname_handler,
- link, 0);
- if (r < 0) {
- log_link_error(link, "Could not set transient hostname: %s",
- strerror(-r));
- return r;
- }
-
- link_ref(link);
-
- return 0;
-}
-
-static int set_mtu_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {
- _cleanup_link_unref_ Link *link = userdata;
- int r;
-
- assert(m);
- assert(link);
- assert(link->ifname);
-
- if (IN_SET(link->state, LINK_STATE_FAILED, LINK_STATE_LINGER))
- return 1;
-
- r = sd_rtnl_message_get_errno(m);
- if (r < 0)
- log_link_warning_errno(link, -r, "%-*s: could not set MTU: %m", IFNAMSIZ, link->ifname);
-
- return 1;
-}
-
-int link_set_mtu(Link *link, uint32_t mtu) {
- _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL;
- int r;
-
- assert(link);
- assert(link->manager);
- assert(link->manager->rtnl);
-
- log_link_debug(link, "setting MTU: %" PRIu32, mtu);
-
- r = sd_rtnl_message_new_link(link->manager->rtnl, &req,
- RTM_SETLINK, link->ifindex);
- if (r < 0) {
- log_link_error(link, "Could not allocate RTM_SETLINK message");
- return r;
- }
-
- r = sd_rtnl_message_append_u32(req, IFLA_MTU, mtu);
- if (r < 0) {
- log_link_error(link, "Could not append MTU: %s", strerror(-r));
- return r;
- }
-
- r = sd_rtnl_call_async(link->manager->rtnl, req, set_mtu_handler, link,
- 0, NULL);
- if (r < 0) {
- log_link_error(link,
- "Could not send rtnetlink message: %s",
- strerror(-r));
- return r;
- }
-
- link_ref(link);
-
- return 0;
-}
-
-static int link_set_bridge(Link *link) {
- _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL;
- int r;
-
- assert(link);
- assert(link->network);
-
- if(link->network->cost == 0)
- return 0;
-
- r = sd_rtnl_message_new_link(link->manager->rtnl, &req,
- RTM_SETLINK, link->ifindex);
- if (r < 0) {
- log_link_error(link, "Could not allocate RTM_SETLINK message");
- return r;
- }
-
- r = sd_rtnl_message_link_set_family(req, PF_BRIDGE);
- if (r < 0) {
- log_link_error(link,
- "Could not set message family %s", strerror(-r));
- return r;
- }
-
- r = sd_rtnl_message_open_container(req, IFLA_PROTINFO);
- if (r < 0) {
- log_link_error(link,
- "Could not append IFLA_PROTINFO attribute: %s",
- strerror(-r));
- return r;
- }
-
- if(link->network->cost != 0) {
- r = sd_rtnl_message_append_u32(req, IFLA_BRPORT_COST, link->network->cost);
- if (r < 0) {
- log_link_error(link,
- "Could not append IFLA_BRPORT_COST attribute: %s",
- strerror(-r));
- return r;
- }
- }
-
- r = sd_rtnl_message_close_container(req);
- if (r < 0) {
- log_link_error(link,
- "Could not append IFLA_LINKINFO attribute: %s",
- strerror(-r));
- return r;
- }
-
- r = sd_rtnl_call_async(link->manager->rtnl, req, link_set_handler, link, 0, NULL);
- if (r < 0) {
- log_link_error(link,
- "Could not send rtnetlink message: %s",
- strerror(-r));
- return r;
- }
-
- link_ref(link);
-
- return r;
-}
-
-static void lldp_handler(sd_lldp *lldp, int event, void *userdata) {
- Link *link = userdata;
- int r;
-
- assert(link);
- assert(link->network);
- assert(link->manager);
-
- if (event != UPDATE_INFO)
- return;
-
- r = sd_lldp_save(link->lldp, link->lldp_file);
- if (r < 0)
- log_link_warning(link, "could not save LLDP");
-
-}
-
-static int link_acquire_conf(Link *link) {
- int r;
-
- assert(link);
- assert(link->network);
- assert(link->manager);
- assert(link->manager->event);
-
- if (link_ipv4ll_enabled(link)) {
- assert(link->ipv4ll);
-
- log_link_debug(link, "acquiring IPv4 link-local address");
-
- r = sd_ipv4ll_start(link->ipv4ll);
- if (r < 0) {
- log_link_warning(link, "could not acquire IPv4 "
- "link-local address");
- return r;
- }
- }
-
- if (link_dhcp4_enabled(link)) {
- assert(link->dhcp_client);
-
- log_link_debug(link, "acquiring DHCPv4 lease");
-
- r = sd_dhcp_client_start(link->dhcp_client);
- if (r < 0) {
- log_link_warning(link, "could not acquire DHCPv4 "
- "lease");
- return r;
- }
- }
-
- if (link_dhcp6_enabled(link)) {
- assert(link->icmp6_router_discovery);
-
- log_link_debug(link, "discovering IPv6 routers");
-
- r = sd_icmp6_router_solicitation_start(link->icmp6_router_discovery);
- if (r < 0) {
- log_link_warning(link,
- "could not start IPv6 router discovery");
- return r;
- }
- }
-
- if (link_lldp_enabled(link)) {
- assert(link->lldp);
-
- log_link_debug(link, "Starting LLDP");
-
- r = sd_lldp_start(link->lldp);
- if (r < 0) {
- log_link_warning(link, "could not start LLDP ");
- return r;
- }
- }
-
- return 0;
-}
-
-bool link_has_carrier(Link *link) {
- /* see Documentation/networking/operstates.txt in the kernel sources */
-
- if (link->kernel_operstate == IF_OPER_UP)
- return true;
-
- if (link->kernel_operstate == IF_OPER_UNKNOWN)
- /* operstate may not be implemented, so fall back to flags */
- if ((link->flags & IFF_LOWER_UP) && !(link->flags & IFF_DORMANT))
- return true;
-
- return false;
-}
-
-static int link_up_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {
- _cleanup_link_unref_ Link *link = userdata;
- int r;
-
- assert(link);
-
- if (IN_SET(link->state, LINK_STATE_FAILED, LINK_STATE_LINGER))
- return 1;
-
- r = sd_rtnl_message_get_errno(m);
- if (r < 0) {
- /* we warn but don't fail the link, as it may
- be brought up later */
- log_link_warning_errno(link, -r, "%-*s: could not bring up interface: %m", IFNAMSIZ, link->ifname);
- }
-
- return 1;
-}
-
-static int link_up(Link *link) {
- _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL;
- uint8_t ipv6ll_mode;
- int r;
-
- assert(link);
- assert(link->network);
- assert(link->manager);
- assert(link->manager->rtnl);
-
- log_link_debug(link, "bringing link up");
-
- r = sd_rtnl_message_new_link(link->manager->rtnl, &req,
- RTM_SETLINK, link->ifindex);
- if (r < 0) {
- log_link_error(link, "Could not allocate RTM_SETLINK message");
- return r;
- }
-
- r = sd_rtnl_message_link_set_flags(req, IFF_UP, IFF_UP);
- if (r < 0) {
- log_link_error(link, "Could not set link flags: %s",
- strerror(-r));
- return r;
- }
-
- if (link->network->mac) {
- r = sd_rtnl_message_append_ether_addr(req, IFLA_ADDRESS, link->network->mac);
- if (r < 0) {
- log_link_error(link, "Could not set MAC address: %s", strerror(-r));
- return r;
- }
- }
-
- if (link->network->mtu) {
- r = sd_rtnl_message_append_u32(req, IFLA_MTU, link->network->mtu);
- if (r < 0) {
- log_link_error(link, "Could not set MTU: %s", strerror(-r));
- return r;
- }
- }
-
- r = sd_rtnl_message_open_container(req, IFLA_AF_SPEC);
- if (r < 0) {
- log_link_error(link, "Could not open IFLA_AF_SPEC container: %s", strerror(-r));
- return r;
- }
-
- r = sd_rtnl_message_open_container(req, AF_INET6);
- if (r < 0) {
- log_link_error(link, "Could not open AF_INET6 container: %s", strerror(-r));
- return r;
- }
-
- ipv6ll_mode = link_ipv6ll_enabled(link) ? IN6_ADDR_GEN_MODE_EUI64 : IN6_ADDR_GEN_MODE_NONE;
- r = sd_rtnl_message_append_u8(req, IFLA_INET6_ADDR_GEN_MODE, ipv6ll_mode);
- if (r < 0) {
- log_link_error(link, "Could not append IFLA_INET6_ADDR_GEN_MODE: %s", strerror(-r));
- return r;
- }
-
- if (!in_addr_is_null(AF_INET6, &link->network->ipv6_token)) {
- r = sd_rtnl_message_append_in6_addr(req, IFLA_INET6_TOKEN, &link->network->ipv6_token.in6);
- if (r < 0) {
- log_link_error(link, "Could not append IFLA_INET6_TOKEN: %s", strerror(-r));
- return r;
- }
- }
-
- r = sd_rtnl_message_close_container(req);
- if (r < 0) {
- log_link_error(link, "Could not close AF_INET6 container: %s", strerror(-r));
- return r;
- }
-
- r = sd_rtnl_message_close_container(req);
- if (r < 0) {
- log_link_error(link, "Could not close IFLA_AF_SPEC container: %s", strerror(-r));
- return r;
- }
-
- r = sd_rtnl_call_async(link->manager->rtnl, req, link_up_handler, link,
- 0, NULL);
- if (r < 0) {
- log_link_error(link,
- "Could not send rtnetlink message: %s",
- strerror(-r));
- return r;
- }
-
- link_ref(link);
-
- return 0;
-}
-
-static int link_down_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {
- _cleanup_link_unref_ Link *link = userdata;
- int r;
-
- assert(link);
-
- if (IN_SET(link->state, LINK_STATE_FAILED, LINK_STATE_LINGER))
- return 1;
-
- r = sd_rtnl_message_get_errno(m);
- if (r < 0)
- log_link_warning_errno(link, -r, "%-*s: could not bring down interface: %m", IFNAMSIZ, link->ifname);
-
- return 1;
-}
-
-static int link_down(Link *link) {
- _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL;
- int r;
-
- assert(link);
- assert(link->manager);
- assert(link->manager->rtnl);
-
- log_link_debug(link, "bringing link down");
-
- r = sd_rtnl_message_new_link(link->manager->rtnl, &req,
- RTM_SETLINK, link->ifindex);
- if (r < 0) {
- log_link_error(link, "Could not allocate RTM_SETLINK message");
- return r;
- }
-
- r = sd_rtnl_message_link_set_flags(req, 0, IFF_UP);
- if (r < 0) {
- log_link_error(link, "Could not set link flags: %s",
- strerror(-r));
- return r;
- }
-
- r = sd_rtnl_call_async(link->manager->rtnl, req, link_down_handler, link,
- 0, NULL);
- if (r < 0) {
- log_link_error(link,
- "Could not send rtnetlink message: %s",
- strerror(-r));
- return r;
- }
-
- link_ref(link);
-
- return 0;
-}
-
-static int link_handle_bound_to_list(Link *link) {
- Link *l;
- Iterator i;
- int r;
- bool required_up = false;
- bool link_is_up = false;
-
- assert(link);
-
- if (hashmap_isempty(link->bound_to_links))
- return 0;
-
- if (link->flags & IFF_UP)
- link_is_up = true;
-
- HASHMAP_FOREACH (l, link->bound_to_links, i)
- if (link_has_carrier(l)) {
- required_up = true;
- break;
- }
-
- if (!required_up && link_is_up) {
- r = link_down(link);
- if (r < 0)
- return r;
- } else if (required_up && !link_is_up) {
- r = link_up(link);
- if (r < 0)
- return r;
- }
-
- return 0;
-}
-
-static int link_handle_bound_by_list(Link *link) {
- Iterator i;
- Link *l;
- int r;
-
- assert(link);
-
- if (hashmap_isempty(link->bound_by_links))
- return 0;
-
- HASHMAP_FOREACH (l, link->bound_by_links, i) {
- r = link_handle_bound_to_list(l);
- if (r < 0)
- return r;
- }
-
- return 0;
-}
-
-static int link_put_carrier(Link *link, Link *carrier, Hashmap **h) {
- int r;
-
- assert(link);
- assert(carrier);
-
- if (link == carrier)
- return 0;
-
- if (hashmap_get(*h, INT_TO_PTR(carrier->ifindex)))
- return 0;
-
- r = hashmap_ensure_allocated(h, NULL);
- if (r < 0)
- return r;
-
- r = hashmap_put(*h, INT_TO_PTR(carrier->ifindex), carrier);
- if (r < 0)
- return r;
-
- return 0;
-}
-
-static int link_new_bound_by_list(Link *link) {
- Manager *m;
- Link *carrier;
- Iterator i;
- int r;
- bool list_updated = false;
-
- assert(link);
- assert(link->manager);
-
- m = link->manager;
-
- HASHMAP_FOREACH (carrier, m->links, i) {
- if (!carrier->network)
- continue;
-
- if (strv_isempty(carrier->network->bind_carrier))
- continue;
-
- if (strv_fnmatch(carrier->network->bind_carrier, link->ifname, 0)) {
- r = link_put_carrier(link, carrier, &link->bound_by_links);
- if (r < 0)
- return r;
-
- list_updated = true;
- }
- }
-
- if (list_updated)
- link_save(link);
-
- HASHMAP_FOREACH (carrier, link->bound_by_links, i) {
- r = link_put_carrier(carrier, link, &carrier->bound_to_links);
- if (r < 0)
- return r;
-
- link_save(carrier);
- }
-
- return 0;
-}
-
-static int link_new_bound_to_list(Link *link) {
- Manager *m;
- Link *carrier;
- Iterator i;
- int r;
- bool list_updated = false;
-
- assert(link);
- assert(link->manager);
-
- if (!link->network)
- return 0;
-
- if (strv_isempty(link->network->bind_carrier))
- return 0;
-
- m = link->manager;
-
- HASHMAP_FOREACH (carrier, m->links, i) {
- if (strv_fnmatch(link->network->bind_carrier, carrier->ifname, 0)) {
- r = link_put_carrier(link, carrier, &link->bound_to_links);
- if (r < 0)
- return r;
-
- list_updated = true;
- }
- }
-
- if (list_updated)
- link_save(link);
-
- HASHMAP_FOREACH (carrier, link->bound_to_links, i) {
- r = link_put_carrier(carrier, link, &carrier->bound_by_links);
- if (r < 0)
- return r;
-
- link_save(carrier);
- }
-
- return 0;
-}
-
-static int link_new_carrier_maps(Link *link) {
- int r;
-
- r = link_new_bound_by_list(link);
- if (r < 0)
- return r;
-
- r = link_handle_bound_by_list(link);
- if (r < 0)
- return r;
-
- r = link_new_bound_to_list(link);
- if (r < 0)
- return r;
-
- r = link_handle_bound_to_list(link);
- if (r < 0)
- return r;
-
- return 0;
-}
-
-static void link_free_bound_to_list(Link *link) {
- Link *bound_to;
- Iterator i;
-
- HASHMAP_FOREACH (bound_to, link->bound_to_links, i) {
- hashmap_remove(link->bound_to_links, INT_TO_PTR(bound_to->ifindex));
-
- if (hashmap_remove(bound_to->bound_by_links, INT_TO_PTR(link->ifindex)))
- link_save(bound_to);
- }
-
- return;
-}
-
-static void link_free_bound_by_list(Link *link) {
- Link *bound_by;
- Iterator i;
-
- HASHMAP_FOREACH (bound_by, link->bound_by_links, i) {
- hashmap_remove(link->bound_by_links, INT_TO_PTR(bound_by->ifindex));
-
- if (hashmap_remove(bound_by->bound_to_links, INT_TO_PTR(link->ifindex))) {
- link_save(bound_by);
- link_handle_bound_to_list(bound_by);
- }
- }
-
- return;
-}
-
-static void link_free_carrier_maps(Link *link) {
- bool list_updated = false;
-
- assert(link);
-
- if (!hashmap_isempty(link->bound_to_links)) {
- link_free_bound_to_list(link);
- list_updated = true;
- }
-
- if (!hashmap_isempty(link->bound_by_links)) {
- link_free_bound_by_list(link);
- list_updated = true;
- }
-
- if (list_updated)
- link_save(link);
-
- return;
-}
-
-void link_drop(Link *link) {
- if (!link || link->state == LINK_STATE_LINGER)
- return;
-
- link_set_state(link, LINK_STATE_LINGER);
-
- link_free_carrier_maps(link);
-
- log_link_debug(link, "link removed");
-
- link_unref(link);
-
- return;
-}
-
-static int link_joined(Link *link) {
- int r;
-
- assert(link);
- assert(link->network);
-
- if (!hashmap_isempty(link->bound_to_links)) {
- r = link_handle_bound_to_list(link);
- if (r < 0)
- return r;
- } else if (!(link->flags & IFF_UP)) {
- r = link_up(link);
- if (r < 0) {
- link_enter_failed(link);
- return r;
- }
- }
-
- if(link->network->bridge) {
- r = link_set_bridge(link);
- if (r < 0) {
- log_link_error(link,
- "Could not set bridge message: %s",
- strerror(-r));
- }
- }
-
- return link_enter_set_addresses(link);
-}
-
-static int netdev_join_handler(sd_rtnl *rtnl, sd_rtnl_message *m,
- void *userdata) {
- _cleanup_link_unref_ Link *link = userdata;
- int r;
-
- assert(link);
- assert(link->network);
-
- link->enslaving --;
-
- if (IN_SET(link->state, LINK_STATE_FAILED, LINK_STATE_LINGER))
- return 1;
-
- r = sd_rtnl_message_get_errno(m);
- if (r < 0 && r != -EEXIST) {
- log_link_error_errno(link, -r, "%-*s: could not join netdev: %m", IFNAMSIZ, link->ifname);
- link_enter_failed(link);
- return 1;
- } else
- log_link_debug(link, "joined netdev");
-
- if (link->enslaving <= 0)
- link_joined(link);
-
- return 1;
-}
-
-static int link_enter_join_netdev(Link *link) {
- NetDev *netdev;
- Iterator i;
- int r;
-
- assert(link);
- assert(link->network);
- assert(link->state == LINK_STATE_PENDING);
-
- link_set_state(link, LINK_STATE_ENSLAVING);
-
- link_save(link);
-
- if (!link->network->bridge &&
- !link->network->bond &&
- hashmap_isempty(link->network->stacked_netdevs))
- return link_joined(link);
-
- if (link->network->bond) {
- log_link_struct(link, LOG_DEBUG,
- "MESSAGE=%-*s: enslaving by '%s'",
- IFNAMSIZ,
- link->ifname, link->network->bond->ifname,
- NETDEVIF(link->network->bond),
- NULL);
-
- r = netdev_join(link->network->bond, link, &netdev_join_handler);
- if (r < 0) {
- log_link_struct(link, LOG_WARNING,
- "MESSAGE=%-*s: could not join netdev '%s': %s",
- IFNAMSIZ,
- link->ifname, link->network->bond->ifname,
- strerror(-r),
- NETDEVIF(link->network->bond),
- NULL);
- link_enter_failed(link);
- return r;
- }
-
- link->enslaving ++;
- }
-
- if (link->network->bridge) {
- log_link_struct(link, LOG_DEBUG,
- "MESSAGE=%-*s: enslaving by '%s'",
- IFNAMSIZ,
- link->ifname, link->network->bridge->ifname,
- NETDEVIF(link->network->bridge),
- NULL);
-
- r = netdev_join(link->network->bridge, link,
- &netdev_join_handler);
- if (r < 0) {
- log_link_struct(link, LOG_WARNING,
- "MESSAGE=%-*s: could not join netdev '%s': %s",
- IFNAMSIZ,
- link->ifname, link->network->bridge->ifname,
- strerror(-r),
- NETDEVIF(link->network->bridge),
- NULL);
- link_enter_failed(link);
- return r;
- }
-
- link->enslaving ++;
- }
-
- HASHMAP_FOREACH(netdev, link->network->stacked_netdevs, i) {
- log_link_struct(link, LOG_DEBUG,
- "MESSAGE=%-*s: enslaving by '%s'",
- IFNAMSIZ,
- link->ifname, netdev->ifname, NETDEVIF(netdev),
- NULL);
-
- r = netdev_join(netdev, link, &netdev_join_handler);
- if (r < 0) {
- log_link_struct(link, LOG_WARNING,
- "MESSAGE=%-*s: could not join netdev '%s': %s",
- IFNAMSIZ,
- link->ifname, netdev->ifname,
- strerror(-r),
- NETDEVIF(netdev), NULL);
- link_enter_failed(link);
- return r;
- }
-
- link->enslaving ++;
- }
-
- return 0;
-}
-
-static int link_set_ipv4_forward(Link *link) {
- const char *p = NULL;
- bool b;
- int r;
-
- b = link_ipv4_forward_enabled(link);
-
- p = strjoina("/proc/sys/net/ipv4/conf/", link->ifname, "/forwarding");
- r = write_string_file_no_create(p, one_zero(b));
- if (r < 0)
- log_link_warning_errno(link, r, "Cannot configure IPv4 forwarding for interface %s: %m", link->ifname);
-
- if (b) {
- _cleanup_free_ char *buf = NULL;
-
- /* If IP forwarding is turned on for this interface,
- * then propagate this to the global setting. Given
- * that turning this on has side-effects on other
- * fields, we'll try to avoid doing this unless
- * necessary, hence check the previous value
- * first. Note that we never turn this option off
- * again, since all interfaces we manage do not do
- * forwarding anyway by default, and ownership rules
- * of this control are so unclear. */
-
- r = read_one_line_file("/proc/sys/net/ipv4/ip_forward", &buf);
- if (r < 0)
- log_link_warning_errno(link, r, "Cannot read /proc/sys/net/ipv4/ip_forward: %m");
- else if (!streq(buf, "1")) {
- r = write_string_file_no_create("/proc/sys/net/ipv4/ip_forward", "1");
- if (r < 0)
- log_link_warning_errno(link, r, "Cannot write /proc/sys/net/ipv4/ip_forward: %m");
- }
- }
-
- return 0;
-}
-
-static int link_set_ipv6_forward(Link *link) {
- const char *p = NULL;
- int r;
-
- p = strjoina("/proc/sys/net/ipv6/conf/", link->ifname, "/forwarding");
- r = write_string_file_no_create(p, one_zero(link_ipv6_forward_enabled(link)));
- if (r < 0)
- log_link_warning_errno(link, r, "Cannot configure IPv6 forwarding for interface: %m");
-
- return 0;
-}
-
-static int link_configure(Link *link) {
- int r;
-
- assert(link);
- assert(link->network);
- assert(link->state == LINK_STATE_PENDING);
-
- r = link_set_bridge_fdb(link);
- if (r < 0)
- return r;
-
- r = link_set_ipv4_forward(link);
- if (r < 0)
- return r;
-
- r = link_set_ipv6_forward(link);
- if (r < 0)
- return r;
-
- if (link_ipv4ll_enabled(link)) {
- r = ipv4ll_configure(link);
- if (r < 0)
- return r;
- }
-
- if (link_dhcp4_enabled(link)) {
- r = dhcp4_configure(link);
- if (r < 0)
- return r;
- }
-
- if (link_dhcp4_server_enabled(link)) {
- r = sd_dhcp_server_new(&link->dhcp_server, link->ifindex);
- if (r < 0)
- return r;
-
- r = sd_dhcp_server_attach_event(link->dhcp_server, NULL, 0);
- if (r < 0)
- return r;
- }
-
- if (link_dhcp6_enabled(link)) {
- r = icmp6_configure(link);
- if (r < 0)
- return r;
- }
-
- if (link_lldp_enabled(link)) {
- r = sd_lldp_new(link->ifindex, link->ifname, &link->mac, &link->lldp);
- if (r < 0)
- return r;
-
- r = sd_lldp_attach_event(link->lldp, NULL, 0);
- if (r < 0)
- return r;
-
- r = sd_lldp_set_callback(link->lldp,
- lldp_handler, link);
- if (r < 0)
- return r;
- }
-
- if (link_has_carrier(link)) {
- r = link_acquire_conf(link);
- if (r < 0)
- return r;
- }
-
- return link_enter_join_netdev(link);
-}
-
-static int link_initialized_and_synced(sd_rtnl *rtnl, sd_rtnl_message *m,
- void *userdata) {
- _cleanup_link_unref_ Link *link = userdata;
- Network *network;
- int r;
-
- assert(link);
- assert(link->ifname);
- assert(link->manager);
-
- if (link->state != LINK_STATE_PENDING)
- return 1;
-
- log_link_debug(link, "link state is up-to-date");
-
- r = link_new_bound_by_list(link);
- if (r < 0)
- return r;
-
- r = link_handle_bound_by_list(link);
- if (r < 0)
- return r;
-
- r = network_get(link->manager, link->udev_device, link->ifname,
- &link->mac, &network);
- if (r == -ENOENT) {
- link_enter_unmanaged(link);
- return 1;
- } else if (r < 0)
- return r;
-
- if (link->flags & IFF_LOOPBACK) {
- if (network->link_local != ADDRESS_FAMILY_NO)
- log_link_debug(link, "ignoring link-local autoconfiguration for loopback link");
-
- if (network->dhcp != ADDRESS_FAMILY_NO)
- log_link_debug(link, "ignoring DHCP clients for loopback link");
-
- if (network->dhcp_server)
- log_link_debug(link, "ignoring DHCP server for loopback link");
- }
-
- r = network_apply(link->manager, network, link);
- if (r < 0)
- return r;
-
- r = link_new_bound_to_list(link);
- if (r < 0)
- return r;
-
- r = link_configure(link);
- if (r < 0)
- return r;
-
- return 1;
-}
-
-int link_initialized(Link *link, struct udev_device *device) {
- _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL;
- int r;
-
- assert(link);
- assert(link->manager);
- assert(link->manager->rtnl);
- assert(device);
-
- if (link->state != LINK_STATE_PENDING)
- return 0;
-
- if (link->udev_device)
- return 0;
-
- log_link_debug(link, "udev initialized link");
-
- link->udev_device = udev_device_ref(device);
-
- /* udev has initialized the link, but we don't know if we have yet
- * processed the NEWLINK messages with the latest state. Do a GETLINK,
- * when it returns we know that the pending NEWLINKs have already been
- * processed and that we are up-to-date */
-
- r = sd_rtnl_message_new_link(link->manager->rtnl, &req, RTM_GETLINK,
- link->ifindex);
- if (r < 0)
- return r;
-
- r = sd_rtnl_call_async(link->manager->rtnl, req,
- link_initialized_and_synced, link, 0, NULL);
- if (r < 0)
- return r;
-
- link_ref(link);
-
- return 0;
-}
-
-static Address* link_get_equal_address(Link *link, Address *needle) {
- Address *i;
-
- assert(link);
- assert(needle);
-
- LIST_FOREACH(addresses, i, link->addresses)
- if (address_equal(i, needle))
- return i;
-
- return NULL;
-}
-
-int link_rtnl_process_address(sd_rtnl *rtnl, sd_rtnl_message *message, void *userdata) {
- Manager *m = userdata;
- Link *link = NULL;
- uint16_t type;
- _cleanup_address_free_ Address *address = NULL;
- unsigned char flags;
- Address *existing;
- char buf[INET6_ADDRSTRLEN], valid_buf[FORMAT_TIMESPAN_MAX];
- const char *valid_str = NULL;
- int r, ifindex;
-
- assert(rtnl);
- assert(message);
- assert(m);
-
- if (sd_rtnl_message_is_error(message)) {
- r = sd_rtnl_message_get_errno(message);
- if (r < 0)
- log_warning_errno(r, "rtnl: failed to receive address: %m");
-
- return 0;
- }
-
- r = sd_rtnl_message_get_type(message, &type);
- if (r < 0) {
- log_warning("rtnl: could not get message type");
- return 0;
- } else if (type != RTM_NEWADDR && type != RTM_DELADDR) {
- log_warning("rtnl: received unexpected message type when processing address");
- return 0;
- }
-
- r = sd_rtnl_message_addr_get_ifindex(message, &ifindex);
- if (r < 0) {
- log_warning_errno(r, "rtnl: could not get ifindex from address: %m");
- return 0;
- } else if (ifindex <= 0) {
- log_warning("rtnl: received address message with invalid ifindex: %d", ifindex);
- return 0;
- } else {
- r = link_get(m, ifindex, &link);
- if (r < 0 || !link) {
- /* when enumerating we might be out of sync, but we will
- * get the address again, so just ignore it */
- if (!m->enumerating)
- log_warning("rtnl: received address for nonexistent link (%d), ignoring", ifindex);
- return 0;
- }
- }
-
- r = address_new_dynamic(&address);
- if (r < 0)
- return r;
-
- r = sd_rtnl_message_addr_get_family(message, &address->family);
- if (r < 0 || !IN_SET(address->family, AF_INET, AF_INET6)) {
- log_link_warning(link, "rtnl: received address with invalid family, ignoring");
- return 0;
- }
-
- r = sd_rtnl_message_addr_get_prefixlen(message, &address->prefixlen);
- if (r < 0) {
- log_link_warning(link, "rtnl: received address with invalid prefixlen, ignoring");
- return 0;
- }
-
- r = sd_rtnl_message_addr_get_scope(message, &address->scope);
- if (r < 0) {
- log_link_warning(link, "rtnl: received address with invalid scope, ignoring");
- return 0;
- }
-
- r = sd_rtnl_message_addr_get_flags(message, &flags);
- if (r < 0) {
- log_link_warning(link, "rtnl: received address with invalid flags, ignoring");
- return 0;
- }
- address->flags = flags;
-
- switch (address->family) {
- case AF_INET:
- r = sd_rtnl_message_read_in_addr(message, IFA_LOCAL, &address->in_addr.in);
- if (r < 0) {
- log_link_warning(link, "rtnl: received address without valid address, ignoring");
- return 0;
- }
-
- break;
-
- case AF_INET6:
- r = sd_rtnl_message_read_in6_addr(message, IFA_ADDRESS, &address->in_addr.in6);
- if (r < 0) {
- log_link_warning(link, "rtnl: received address without valid address, ignoring");
- return 0;
- }
-
- break;
-
- default:
- assert_not_reached("invalid address family");
- }
-
- if (!inet_ntop(address->family, &address->in_addr, buf, INET6_ADDRSTRLEN)) {
- log_link_warning(link, "could not print address");
- return 0;
- }
-
- r = sd_rtnl_message_read_cache_info(message, IFA_CACHEINFO, &address->cinfo);
- if (r >= 0) {
- if (address->cinfo.ifa_valid == CACHE_INFO_INFINITY_LIFE_TIME)
- valid_str = "ever";
- else
- valid_str = format_timespan(valid_buf, FORMAT_TIMESPAN_MAX,
- address->cinfo.ifa_valid * USEC_PER_SEC,
- USEC_PER_SEC);
- }
-
- existing = link_get_equal_address(link, address);
-
- switch (type) {
- case RTM_NEWADDR:
- if (existing) {
- log_link_debug(link, "Updating address: %s/%u (valid for %s)", buf, address->prefixlen, valid_str);
-
-
- existing->scope = address->scope;
- existing->flags = address->flags;
- existing->cinfo = address->cinfo;
-
- } else {
- log_link_debug(link, "Adding address: %s/%u (valid for %s)", buf, address->prefixlen, valid_str);
-
- LIST_PREPEND(addresses, link->addresses, address);
- address_establish(address, link);
-
- address = NULL;
-
- link_save(link);
- }
-
- break;
-
- case RTM_DELADDR:
-
- if (existing) {
- log_link_debug(link, "Removing address: %s/%u (valid for %s)", buf, address->prefixlen, valid_str);
- address_release(existing, link);
- LIST_REMOVE(addresses, link->addresses, existing);
- address_free(existing);
- } else
- log_link_warning(link, "Removing non-existent address: %s/%u (valid for %s)", buf, address->prefixlen, valid_str);
-
- break;
- default:
- assert_not_reached("Received invalid RTNL message type");
- }
-
- return 1;
-}
-
-int link_add(Manager *m, sd_rtnl_message *message, Link **ret) {
- Link *link;
- _cleanup_udev_device_unref_ struct udev_device *device = NULL;
- char ifindex_str[2 + DECIMAL_STR_MAX(int)];
- int r;
-
- assert(m);
- assert(m->rtnl);
- assert(message);
- assert(ret);
-
- r = link_new(m, message, ret);
- if (r < 0)
- return r;
-
- link = *ret;
-
- log_link_debug(link, "link %d added", link->ifindex);
-
- if (detect_container(NULL) <= 0) {
- /* not in a container, udev will be around */
- sprintf(ifindex_str, "n%d", link->ifindex);
- device = udev_device_new_from_device_id(m->udev, ifindex_str);
- if (!device) {
- log_link_warning(link,
- "could not find udev device: %m");
- return -errno;
- }
-
- if (udev_device_get_is_initialized(device) <= 0) {
- /* not yet ready */
- log_link_debug(link, "link pending udev initialization...");
- return 0;
- }
-
- r = link_initialized(link, device);
- if (r < 0)
- return r;
- } else {
- /* we are calling a callback directly, so must take a ref */
- link_ref(link);
-
- r = link_initialized_and_synced(m->rtnl, NULL, link);
- if (r < 0)
- return r;
- }
-
- return 0;
-}
-
-static int link_carrier_gained(Link *link) {
- int r;
-
- assert(link);
-
- if (link->network) {
- r = link_acquire_conf(link);
- if (r < 0) {
- link_enter_failed(link);
- return r;
- }
- }
-
- r = link_handle_bound_by_list(link);
- if (r < 0)
- return r;
-
- return 0;
-}
-
-static int link_carrier_lost(Link *link) {
- int r;
-
- assert(link);
-
- r = link_stop_clients(link);
- if (r < 0) {
- link_enter_failed(link);
- return r;
- }
-
- r = link_handle_bound_by_list(link);
- if (r < 0)
- return r;
-
- return 0;
-}
-
-int link_carrier_reset(Link *link) {
- int r;
-
- assert(link);
-
- if (link_has_carrier(link)) {
- r = link_carrier_lost(link);
- if (r < 0)
- return r;
-
- r = link_carrier_gained(link);
- if (r < 0)
- return r;
-
- log_link_info(link, "reset carrier");
- }
-
- return 0;
-}
-
-
-int link_update(Link *link, sd_rtnl_message *m) {
- struct ether_addr mac;
- const char *ifname;
- uint32_t mtu;
- bool had_carrier, carrier_gained, carrier_lost;
- int r;
-
- assert(link);
- assert(link->ifname);
- assert(m);
-
- if (link->state == LINK_STATE_LINGER) {
- link_ref(link);
- log_link_info(link, "link readded");
- link_set_state(link, LINK_STATE_ENSLAVING);
-
- r = link_new_carrier_maps(link);
- if (r < 0)
- return r;
- }
-
- r = sd_rtnl_message_read_string(m, IFLA_IFNAME, &ifname);
- if (r >= 0 && !streq(ifname, link->ifname)) {
- log_link_info(link, "renamed to %s", ifname);
-
- link_free_carrier_maps(link);
-
- free(link->ifname);
- link->ifname = strdup(ifname);
- if (!link->ifname)
- return -ENOMEM;
-
- r = link_new_carrier_maps(link);
- if (r < 0)
- return r;
- }
-
- r = sd_rtnl_message_read_u32(m, IFLA_MTU, &mtu);
- if (r >= 0 && mtu > 0) {
- link->mtu = mtu;
- if (!link->original_mtu) {
- link->original_mtu = mtu;
- log_link_debug(link, "saved original MTU: %"
- PRIu32, link->original_mtu);
- }
-
- if (link->dhcp_client) {
- r = sd_dhcp_client_set_mtu(link->dhcp_client,
- link->mtu);
- if (r < 0) {
- log_link_warning(link,
- "Could not update MTU in DHCP client: %s",
- strerror(-r));
- return r;
- }
- }
- }
-
- /* The kernel may broadcast NEWLINK messages without the MAC address
- set, simply ignore them. */
- r = sd_rtnl_message_read_ether_addr(m, IFLA_ADDRESS, &mac);
- if (r >= 0) {
- if (memcmp(link->mac.ether_addr_octet, mac.ether_addr_octet,
- ETH_ALEN)) {
-
- memcpy(link->mac.ether_addr_octet, mac.ether_addr_octet,
- ETH_ALEN);
-
- log_link_debug(link, "MAC address: "
- "%02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx",
- mac.ether_addr_octet[0],
- mac.ether_addr_octet[1],
- mac.ether_addr_octet[2],
- mac.ether_addr_octet[3],
- mac.ether_addr_octet[4],
- mac.ether_addr_octet[5]);
-
- if (link->ipv4ll) {
- r = sd_ipv4ll_set_mac(link->ipv4ll, &link->mac);
- if (r < 0) {
- log_link_warning(link,
- "Could not update MAC address in IPv4LL client: %s",
- strerror(-r));
- return r;
- }
- }
-
- if (link->dhcp_client) {
- r = sd_dhcp_client_set_mac(link->dhcp_client,
- (const uint8_t *) &link->mac,
- sizeof (link->mac),
- ARPHRD_ETHER);
- if (r < 0) {
- log_link_warning(link,
- "Could not update MAC address in DHCP client: %s",
- strerror(-r));
- return r;
- }
- }
-
- if (link->dhcp6_client) {
- r = sd_dhcp6_client_set_mac(link->dhcp6_client,
- (const uint8_t *) &link->mac,
- sizeof (link->mac),
- ARPHRD_ETHER);
- if (r < 0) {
- log_link_warning(link,
- "Could not update MAC address in DHCPv6 client: %s",
- strerror(-r));
- return r;
- }
- }
- }
- }
-
- had_carrier = link_has_carrier(link);
-
- r = link_update_flags(link, m);
- if (r < 0)
- return r;
-
- carrier_gained = !had_carrier && link_has_carrier(link);
- carrier_lost = had_carrier && !link_has_carrier(link);
-
- if (carrier_gained) {
- log_link_info(link, "gained carrier");
-
- r = link_carrier_gained(link);
- if (r < 0)
- return r;
- } else if (carrier_lost) {
- log_link_info(link, "lost carrier");
-
- r = link_carrier_lost(link);
- if (r < 0)
- return r;
-
- }
-
- return 0;
-}
-
-static void link_update_operstate(Link *link) {
- LinkOperationalState operstate;
- assert(link);
-
- if (link->kernel_operstate == IF_OPER_DORMANT)
- operstate = LINK_OPERSTATE_DORMANT;
- else if (link_has_carrier(link)) {
- Address *address;
- uint8_t scope = RT_SCOPE_NOWHERE;
-
- /* if we have carrier, check what addresses we have */
- LIST_FOREACH(addresses, address, link->addresses) {
- if (address->flags & (IFA_F_TENTATIVE | IFA_F_DEPRECATED))
- continue;
-
- if (address->scope < scope)
- scope = address->scope;
- }
-
- if (scope < RT_SCOPE_SITE)
- /* universally accessible addresses found */
- operstate = LINK_OPERSTATE_ROUTABLE;
- else if (scope < RT_SCOPE_HOST)
- /* only link or site local addresses found */
- operstate = LINK_OPERSTATE_DEGRADED;
- else
- /* no useful addresses found */
- operstate = LINK_OPERSTATE_CARRIER;
- } else if (link->flags & IFF_UP)
- operstate = LINK_OPERSTATE_NO_CARRIER;
- else
- operstate = LINK_OPERSTATE_OFF;
-
- if (link->operstate != operstate) {
- link->operstate = operstate;
- link_send_changed(link, "OperationalState", NULL);
- }
-}
-
-int link_save(Link *link) {
- _cleanup_free_ char *temp_path = NULL;
- _cleanup_fclose_ FILE *f = NULL;
- const char *admin_state, *oper_state;
- int r;
-
- assert(link);
- assert(link->state_file);
- assert(link->lease_file);
- assert(link->manager);
-
- link_update_operstate(link);
-
- r = manager_save(link->manager);
- if (r < 0)
- return r;
-
- if (link->state == LINK_STATE_LINGER) {
- unlink(link->state_file);
- return 0;
- }
-
- admin_state = link_state_to_string(link->state);
- assert(admin_state);
-
- oper_state = link_operstate_to_string(link->operstate);
- assert(oper_state);
-
- r = fopen_temporary(link->state_file, &f, &temp_path);
- if (r < 0)
- return r;
-
- fchmod(fileno(f), 0644);
-
- fprintf(f,
- "# This is private data. Do not parse.\n"
- "ADMIN_STATE=%s\n"
- "OPER_STATE=%s\n",
- admin_state, oper_state);
-
- if (link->network) {
- char **address, **domain;
- bool space;
-
- fprintf(f, "NETWORK_FILE=%s\n", link->network->filename);
-
- fputs("DNS=", f);
- space = false;
- STRV_FOREACH(address, link->network->dns) {
- if (space)
- fputc(' ', f);
- fputs(*address, f);
- space = true;
- }
-
- if (link->network->dhcp_dns &&
- link->dhcp_lease) {
- const struct in_addr *addresses;
-
- r = sd_dhcp_lease_get_dns(link->dhcp_lease, &addresses);
- if (r > 0) {
- if (space)
- fputc(' ', f);
- serialize_in_addrs(f, addresses, r);
- }
- }
-
- fputs("\n", f);
-
- fprintf(f, "NTP=");
- space = false;
- STRV_FOREACH(address, link->network->ntp) {
- if (space)
- fputc(' ', f);
- fputs(*address, f);
- space = true;
- }
-
- if (link->network->dhcp_ntp &&
- link->dhcp_lease) {
- const struct in_addr *addresses;
-
- r = sd_dhcp_lease_get_ntp(link->dhcp_lease, &addresses);
- if (r > 0) {
- if (space)
- fputc(' ', f);
- serialize_in_addrs(f, addresses, r);
- }
- }
-
- fputs("\n", f);
-
- fprintf(f, "DOMAINS=");
- space = false;
- STRV_FOREACH(domain, link->network->domains) {
- if (space)
- fputc(' ', f);
- fputs(*domain, f);
- space = true;
- }
-
- if (link->network->dhcp_domains &&
- link->dhcp_lease) {
- const char *domainname;
-
- r = sd_dhcp_lease_get_domainname(link->dhcp_lease, &domainname);
- if (r >= 0) {
- if (space)
- fputc(' ', f);
- fputs(domainname, f);
- }
- }
-
- fputs("\n", f);
-
- fprintf(f, "WILDCARD_DOMAIN=%s\n",
- yes_no(link->network->wildcard_domain));
-
- fprintf(f, "LLMNR=%s\n",
- llmnr_support_to_string(link->network->llmnr));
- }
-
- if (!hashmap_isempty(link->bound_to_links)) {
- Link *carrier;
- Iterator i;
- bool space = false;
-
- fputs("CARRIER_BOUND_TO=", f);
- HASHMAP_FOREACH(carrier, link->bound_to_links, i) {
- if (space)
- fputc(' ', f);
- fputs(carrier->ifname, f);
- space = true;
- }
-
- fputs("\n", f);
- }
-
- if (!hashmap_isempty(link->bound_by_links)) {
- Link *carrier;
- Iterator i;
- bool space = false;
-
- fputs("CARRIER_BOUND_BY=", f);
- space = false;
- HASHMAP_FOREACH(carrier, link->bound_by_links, i) {
- if (space)
- fputc(' ', f);
- fputs(carrier->ifname, f);
- space = true;
- }
-
- fputs("\n", f);
- }
-
- if (link->dhcp_lease) {
- assert(link->network);
-
- r = sd_dhcp_lease_save(link->dhcp_lease, link->lease_file);
- if (r < 0)
- goto fail;
-
- fprintf(f,
- "DHCP_LEASE=%s\n",
- link->lease_file);
- } else
- unlink(link->lease_file);
-
- if (link->lldp) {
- assert(link->network);
-
- r = sd_lldp_save(link->lldp, link->lldp_file);
- if (r < 0)
- goto fail;
-
- fprintf(f,
- "LLDP_FILE=%s\n",
- link->lldp_file);
- } else
- unlink(link->lldp_file);
-
- r = fflush_and_check(f);
- if (r < 0)
- goto fail;
-
- if (rename(temp_path, link->state_file) < 0) {
- r = -errno;
- goto fail;
- }
-
- return 0;
-fail:
- log_link_error(link, "Failed to save link data to %s: %s", link->state_file, strerror(-r));
- unlink(link->state_file);
- unlink(temp_path);
- return r;
-}
-
-static const char* const link_state_table[_LINK_STATE_MAX] = {
- [LINK_STATE_PENDING] = "pending",
- [LINK_STATE_ENSLAVING] = "configuring",
- [LINK_STATE_SETTING_ADDRESSES] = "configuring",
- [LINK_STATE_SETTING_ROUTES] = "configuring",
- [LINK_STATE_CONFIGURED] = "configured",
- [LINK_STATE_UNMANAGED] = "unmanaged",
- [LINK_STATE_FAILED] = "failed",
- [LINK_STATE_LINGER] = "linger",
-};
-
-DEFINE_STRING_TABLE_LOOKUP(link_state, LinkState);
-
-static const char* const link_operstate_table[_LINK_OPERSTATE_MAX] = {
- [LINK_OPERSTATE_OFF] = "off",
- [LINK_OPERSTATE_NO_CARRIER] = "no-carrier",
- [LINK_OPERSTATE_DORMANT] = "dormant",
- [LINK_OPERSTATE_CARRIER] = "carrier",
- [LINK_OPERSTATE_DEGRADED] = "degraded",
- [LINK_OPERSTATE_ROUTABLE] = "routable",
-};
-
-DEFINE_STRING_TABLE_LOOKUP(link_operstate, LinkOperationalState);
+++ /dev/null
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- This file is part of systemd.
-
- Copyright 2013 Tom Gundersen <teg@jklm.no>
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#pragma once
-
-#include <endian.h>
-
-#include "networkd.h"
-
-typedef enum LinkState {
- LINK_STATE_PENDING,
- LINK_STATE_ENSLAVING,
- LINK_STATE_SETTING_ADDRESSES,
- LINK_STATE_SETTING_ROUTES,
- LINK_STATE_CONFIGURED,
- LINK_STATE_UNMANAGED,
- LINK_STATE_FAILED,
- LINK_STATE_LINGER,
- _LINK_STATE_MAX,
- _LINK_STATE_INVALID = -1
-} LinkState;
-
-struct Link {
- Manager *manager;
-
- int n_ref;
-
- int ifindex;
- char *ifname;
- char *state_file;
- struct ether_addr mac;
- uint32_t mtu;
- struct udev_device *udev_device;
-
- unsigned flags;
- uint8_t kernel_operstate;
-
- Network *network;
-
- LinkState state;
- LinkOperationalState operstate;
-
- unsigned link_messages;
- unsigned enslaving;
-
- LIST_HEAD(Address, addresses);
-
- sd_dhcp_client *dhcp_client;
- sd_dhcp_lease *dhcp_lease;
- char *lease_file;
- uint16_t original_mtu;
- unsigned dhcp4_messages;
- bool dhcp4_configured;
-
- sd_ipv4ll *ipv4ll;
- bool ipv4ll_address;
- bool ipv4ll_route;
-
- bool static_configured;
-
- LIST_HEAD(Address, pool_addresses);
-
- sd_dhcp_server *dhcp_server;
-
- sd_icmp6_nd *icmp6_router_discovery;
- sd_dhcp6_client *dhcp6_client;
-
- sd_lldp *lldp;
- char *lldp_file;
-
- Hashmap *bound_by_links;
- Hashmap *bound_to_links;
-};
-
-Link *link_unref(Link *link);
-Link *link_ref(Link *link);
-int link_get(Manager *m, int ifindex, Link **ret);
-int link_add(Manager *manager, sd_rtnl_message *message, Link **ret);
-void link_drop(Link *link);
-
-int link_address_drop_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata);
-int link_route_drop_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata);
-
-void link_enter_failed(Link *link);
-int link_initialized(Link *link, struct udev_device *device);
-
-void link_client_handler(Link *link);
-
-int link_update(Link *link, sd_rtnl_message *message);
-int link_rtnl_process_address(sd_rtnl *rtnl, sd_rtnl_message *message, void *userdata);
-
-int link_save(Link *link);
-
-int link_carrier_reset(Link *link);
-bool link_has_carrier(Link *link);
-
-int link_set_mtu(Link *link, uint32_t mtu);
-int link_set_hostname(Link *link, const char *hostname);
-
-int ipv4ll_configure(Link *link);
-int dhcp4_configure(Link *link);
-int icmp6_configure(Link *link);
-
-bool link_lldp_enabled(Link *link);
-bool link_ipv4ll_enabled(Link *link);
-bool link_ipv6ll_enabled(Link *link);
-bool link_dhcp4_server_enabled(Link *link);
-bool link_dhcp4_enabled(Link *link);
-bool link_dhcp6_enabled(Link *link);
-
-const char* link_state_to_string(LinkState s) _const_;
-LinkState link_state_from_string(const char *s) _pure_;
-
-extern const sd_bus_vtable link_vtable[];
-
-int link_node_enumerator(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error);
-int link_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error);
-int link_send_changed(Link *link, const char *property, ...) _sentinel_;
-
-DEFINE_TRIVIAL_CLEANUP_FUNC(Link*, link_unref);
-#define _cleanup_link_unref_ _cleanup_(link_unrefp)
-
-/* Macros which append INTERFACE= to the message */
-
-#define log_link_full(link, level, error, fmt, ...) \
- log_object_internal(level, error, __FILE__, __LINE__, __func__, "INTERFACE=", link->ifname, "%-*s: " fmt, IFNAMSIZ, link->ifname, ##__VA_ARGS__)
-
-#define log_link_debug(link, ...) log_link_full(link, LOG_DEBUG, 0, ##__VA_ARGS__)
-#define log_link_info(link, ...) log_link_full(link, LOG_INFO, 0, ##__VA_ARGS__)
-#define log_link_notice(link, ...) log_link_full(link, LOG_NOTICE, 0, ##__VA_ARGS__)
-#define log_link_warning(link, ...) log_link_full(link, LOG_WARNING, 0, ##__VA_ARGS__)
-#define log_link_error(link, ...) log_link_full(link, LOG_ERR, 0, ##__VA_ARGS__)
-
-#define log_link_debug_errno(link, error, ...) log_link_full(link, LOG_DEBUG, error, ##__VA_ARGS__)
-#define log_link_info_errno(link, error, ...) log_link_full(link, LOG_INFO, error, ##__VA_ARGS__)
-#define log_link_notice_errno(link, error, ...) log_link_full(link, LOG_NOTICE, error, ##__VA_ARGS__)
-#define log_link_warning_errno(link, error, ...) log_link_full(link, LOG_WARNING, error, ##__VA_ARGS__)
-#define log_link_error_errno(link, error, ...) log_link_full(link, LOG_ERR, error, ##__VA_ARGS__)
-
-#define log_link_struct(link, level, ...) log_struct(level, "INTERFACE=%s", link->ifname, __VA_ARGS__)
-
-#define ADDRESS_FMT_VAL(address) \
- be32toh((address).s_addr) >> 24, \
- (be32toh((address).s_addr) >> 16) & 0xFFu, \
- (be32toh((address).s_addr) >> 8) & 0xFFu, \
- be32toh((address).s_addr) & 0xFFu
+++ /dev/null
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- This file is part of systemd.
-
- Copyright 2015 Tom Gundersen
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include "bus-util.h"
-
-#include "networkd.h"
-
-static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_operational_state, link_operstate, LinkOperationalState);
-
-const sd_bus_vtable manager_vtable[] = {
- SD_BUS_VTABLE_START(0),
-
- SD_BUS_PROPERTY("OperationalState", "s", property_get_operational_state, offsetof(Manager, operational_state), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
-
- SD_BUS_VTABLE_END
-};
-
-int manager_send_changed(Manager *manager, const char *property, ...) {
- char **l;
-
- assert(manager);
-
- if (!manager->bus)
- return 0; /* replace by assert when we have kdbus */
-
- l = strv_from_stdarg_alloca(property);
-
- return sd_bus_emit_properties_changed_strv(
- manager->bus,
- "/org/freedesktop/network1",
- "org.freedesktop.network1.Manager",
- l);
-}
+++ /dev/null
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- This file is part of systemd.
-
- Copyright 2013 Tom Gundersen <teg@jklm.no>
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
- ***/
-
-#include <sys/socket.h>
-#include <linux/if.h>
-
-#include "conf-parser.h"
-#include "path-util.h"
-#include "networkd.h"
-#include "networkd-netdev.h"
-#include "networkd-link.h"
-#include "libudev-private.h"
-#include "udev-util.h"
-#include "rtnl-util.h"
-#include "bus-util.h"
-#include "def.h"
-#include "virt.h"
-
-#include "sd-rtnl.h"
-#include "sd-daemon.h"
-
-/* use 8 MB for receive socket kernel queue. */
-#define RCVBUF_SIZE (8*1024*1024)
-
-const char* const network_dirs[] = {
- "/etc/systemd/network",
- "/run/systemd/network",
- "/usr/lib/systemd/network",
-#ifdef HAVE_SPLIT_USR
- "/lib/systemd/network",
-#endif
- NULL};
-
-static int setup_default_address_pool(Manager *m) {
- AddressPool *p;
- int r;
-
- assert(m);
-
- /* Add in the well-known private address ranges. */
-
- r = address_pool_new_from_string(m, &p, AF_INET6, "fc00::", 7);
- if (r < 0)
- return r;
-
- r = address_pool_new_from_string(m, &p, AF_INET, "192.168.0.0", 16);
- if (r < 0)
- return r;
-
- r = address_pool_new_from_string(m, &p, AF_INET, "172.16.0.0", 12);
- if (r < 0)
- return r;
-
- r = address_pool_new_from_string(m, &p, AF_INET, "10.0.0.0", 8);
- if (r < 0)
- return r;
-
- return 0;
-}
-
-static int on_bus_retry(sd_event_source *s, usec_t usec, void *userdata) {
- Manager *m = userdata;
-
- assert(s);
- assert(m);
-
- m->bus_retry_event_source = sd_event_source_unref(m->bus_retry_event_source);
-
- manager_connect_bus(m);
-
- return 0;
-}
-
-static int manager_reset_all(Manager *m) {
- Link *link;
- Iterator i;
- int r;
-
- assert(m);
-
- HASHMAP_FOREACH(link, m->links, i) {
- r = link_carrier_reset(link);
- if (r < 0)
- log_link_warning_errno(link, r, "could not reset carrier: %m");
- }
-
- return 0;
-}
-
-static int match_prepare_for_sleep(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *ret_error) {
- Manager *m = userdata;
- int b, r;
-
- assert(bus);
- assert(bus);
-
- r = sd_bus_message_read(message, "b", &b);
- if (r < 0) {
- log_debug_errno(r, "Failed to parse PrepareForSleep signal: %m");
- return 0;
- }
-
- if (b)
- return 0;
-
- log_debug("Coming back from suspend, resetting all connections...");
-
- manager_reset_all(m);
-
- return 0;
-}
-
-int manager_connect_bus(Manager *m) {
- int r;
-
- assert(m);
-
- r = sd_bus_default_system(&m->bus);
- if (r == -ENOENT) {
- /* We failed to connect? Yuck, we must be in early
- * boot. Let's try in 5s again. As soon as we have
- * kdbus we can stop doing this... */
-
- log_debug_errno(r, "Failed to connect to bus, trying again in 5s: %m");
-
- r = sd_event_add_time(m->event, &m->bus_retry_event_source, CLOCK_MONOTONIC, now(CLOCK_MONOTONIC) + 5*USEC_PER_SEC, 0, on_bus_retry, m);
- if (r < 0)
- return log_error_errno(r, "Failed to install bus reconnect time event: %m");
-
- return 0;
- } if (r < 0)
- return r;
-
- r = sd_bus_add_match(m->bus, &m->prepare_for_sleep_slot,
- "type='signal',"
- "sender='org.freedesktop.login1',"
- "interface='org.freedesktop.login1.Manager',"
- "member='PrepareForSleep',"
- "path='/org/freedesktop/login1'",
- match_prepare_for_sleep,
- m);
- if (r < 0)
- return log_error_errno(r, "Failed to add match for PrepareForSleep: %m");
-
- r = sd_bus_add_object_vtable(m->bus, NULL, "/org/freedesktop/network1", "org.freedesktop.network1.Manager", manager_vtable, m);
- if (r < 0)
- return log_error_errno(r, "Failed to add manager object vtable: %m");
-
- r = sd_bus_add_fallback_vtable(m->bus, NULL, "/org/freedesktop/network1/link", "org.freedesktop.network1.Link", link_vtable, link_object_find, m);
- if (r < 0)
- return log_error_errno(r, "Failed to add link object vtable: %m");
-
- r = sd_bus_add_node_enumerator(m->bus, NULL, "/org/freedesktop/network1/link", link_node_enumerator, m);
- if (r < 0)
- return log_error_errno(r, "Failed to add link enumerator: %m");
-
- r = sd_bus_add_fallback_vtable(m->bus, NULL, "/org/freedesktop/network1/network", "org.freedesktop.network1.Network", network_vtable, network_object_find, m);
- if (r < 0)
- return log_error_errno(r, "Failed to add network object vtable: %m");
-
- r = sd_bus_add_node_enumerator(m->bus, NULL, "/org/freedesktop/network1/network", network_node_enumerator, m);
- if (r < 0)
- return log_error_errno(r, "Failed to add network enumerator: %m");
-
- r = sd_bus_request_name(m->bus, "org.freedesktop.network1", 0);
- if (r < 0)
- return log_error_errno(r, "Failed to register name: %m");
-
- r = sd_bus_attach_event(m->bus, m->event, 0);
- if (r < 0)
- return log_error_errno(r, "Failed to attach bus to event loop: %m");
-
- return 0;
-}
-
-static int manager_udev_process_link(Manager *m, struct udev_device *device) {
- Link *link = NULL;
- int r, ifindex;
-
- assert(m);
- assert(device);
-
- if (!streq_ptr(udev_device_get_action(device), "add"))
- return 0;
-
- ifindex = udev_device_get_ifindex(device);
- if (ifindex <= 0) {
- log_debug("ignoring udev ADD event for device with invalid ifindex");
- return 0;
- }
-
- r = link_get(m, ifindex, &link);
- if (r == -ENODEV)
- return 0;
- else if (r < 0)
- return r;
-
- r = link_initialized(link, device);
- if (r < 0)
- return r;
-
- return 0;
-}
-
-static int manager_dispatch_link_udev(sd_event_source *source, int fd, uint32_t revents, void *userdata) {
- Manager *m = userdata;
- struct udev_monitor *monitor = m->udev_monitor;
- _cleanup_udev_device_unref_ struct udev_device *device = NULL;
-
- device = udev_monitor_receive_device(monitor);
- if (!device)
- return -ENOMEM;
-
- manager_udev_process_link(m, device);
- return 0;
-}
-
-static int manager_connect_udev(Manager *m) {
- int r;
-
- /* udev does not initialize devices inside containers,
- * so we rely on them being already initialized before
- * entering the container */
- if (detect_container(NULL) > 0)
- return 0;
-
- m->udev = udev_new();
- if (!m->udev)
- return -ENOMEM;
-
- m->udev_monitor = udev_monitor_new_from_netlink(m->udev, "udev");
- if (!m->udev_monitor)
- return -ENOMEM;
-
- r = udev_monitor_filter_add_match_subsystem_devtype(m->udev_monitor, "net", NULL);
- if (r < 0)
- return log_error_errno(r, "Could not add udev monitor filter: %m");
-
- r = udev_monitor_enable_receiving(m->udev_monitor);
- if (r < 0) {
- log_error("Could not enable udev monitor");
- return r;
- }
-
- r = sd_event_add_io(m->event,
- &m->udev_event_source,
- udev_monitor_get_fd(m->udev_monitor),
- EPOLLIN, manager_dispatch_link_udev,
- m);
- if (r < 0)
- return r;
-
- r = sd_event_source_set_description(m->udev_event_source, "networkd-udev");
- if (r < 0)
- return r;
-
- return 0;
-}
-
-static int manager_rtnl_process_link(sd_rtnl *rtnl, sd_rtnl_message *message, void *userdata) {
- Manager *m = userdata;
- Link *link = NULL;
- NetDev *netdev = NULL;
- uint16_t type;
- const char *name;
- int r, ifindex;
-
- assert(rtnl);
- assert(message);
- assert(m);
-
- if (sd_rtnl_message_is_error(message)) {
- r = sd_rtnl_message_get_errno(message);
- if (r < 0)
- log_warning_errno(r, "rtnl: could not receive link: %m");
-
- return 0;
- }
-
- r = sd_rtnl_message_get_type(message, &type);
- if (r < 0) {
- log_warning_errno(r, "rtnl: could not get message type: %m");
- return 0;
- } else if (type != RTM_NEWLINK && type != RTM_DELLINK) {
- log_warning("rtnl: received unexpected message type when processing link");
- return 0;
- }
-
- r = sd_rtnl_message_link_get_ifindex(message, &ifindex);
- if (r < 0) {
- log_warning_errno(r, "rtnl: could not get ifindex from link: %m");
- return 0;
- } else if (ifindex <= 0) {
- log_warning("rtnl: received link message with invalid ifindex: %d", ifindex);
- return 0;
- } else
- link_get(m, ifindex, &link);
-
- r = sd_rtnl_message_read_string(message, IFLA_IFNAME, &name);
- if (r < 0) {
- log_warning_errno(r, "rtnl: received link message without ifname: %m");
- return 0;
- } else
- netdev_get(m, name, &netdev);
-
- switch (type) {
- case RTM_NEWLINK:
- if (!link) {
- /* link is new, so add it */
- r = link_add(m, message, &link);
- if (r < 0) {
- log_warning_errno(r, "could not add new link: %m");
- return 0;
- }
- }
-
- if (netdev) {
- /* netdev exists, so make sure the ifindex matches */
- r = netdev_set_ifindex(netdev, message);
- if (r < 0) {
- log_warning_errno(r, "could not set ifindex on netdev: %m");
- return 0;
- }
- }
-
- r = link_update(link, message);
- if (r < 0)
- return 0;
-
- break;
-
- case RTM_DELLINK:
- link_drop(link);
- netdev_drop(netdev);
-
- break;
-
- default:
- assert_not_reached("Received invalid RTNL message type.");
- }
-
- return 1;
-}
-
-static int systemd_netlink_fd(void) {
- int n, fd, rtnl_fd = -EINVAL;
-
- n = sd_listen_fds(true);
- if (n <= 0)
- return -EINVAL;
-
- for (fd = SD_LISTEN_FDS_START; fd < SD_LISTEN_FDS_START + n; fd ++) {
- if (sd_is_socket(fd, AF_NETLINK, SOCK_RAW, -1) > 0) {
- if (rtnl_fd >= 0)
- return -EINVAL;
-
- rtnl_fd = fd;
- }
- }
-
- return rtnl_fd;
-}
-
-static int manager_connect_rtnl(Manager *m) {
- int fd, r;
-
- assert(m);
-
- fd = systemd_netlink_fd();
- if (fd < 0)
- r = sd_rtnl_open(&m->rtnl, 3, RTNLGRP_LINK, RTNLGRP_IPV4_IFADDR, RTNLGRP_IPV6_IFADDR);
- else
- r = sd_rtnl_open_fd(&m->rtnl, fd, 0);
- if (r < 0)
- return r;
-
- r = sd_rtnl_inc_rcvbuf(m->rtnl, RCVBUF_SIZE);
- if (r < 0)
- return r;
-
- r = sd_rtnl_attach_event(m->rtnl, m->event, 0);
- if (r < 0)
- return r;
-
- r = sd_rtnl_add_match(m->rtnl, RTM_NEWLINK, &manager_rtnl_process_link, m);
- if (r < 0)
- return r;
-
- r = sd_rtnl_add_match(m->rtnl, RTM_DELLINK, &manager_rtnl_process_link, m);
- if (r < 0)
- return r;
-
- r = sd_rtnl_add_match(m->rtnl, RTM_NEWADDR, &link_rtnl_process_address, m);
- if (r < 0)
- return r;
-
- r = sd_rtnl_add_match(m->rtnl, RTM_DELADDR, &link_rtnl_process_address, m);
- if (r < 0)
- return r;
-
- return 0;
-}
-
-int manager_new(Manager **ret) {
- _cleanup_manager_free_ Manager *m = NULL;
- int r;
-
- m = new0(Manager, 1);
- if (!m)
- return -ENOMEM;
-
- m->state_file = strdup("/run/systemd/netif/state");
- if (!m->state_file)
- return -ENOMEM;
-
- r = sd_event_default(&m->event);
- if (r < 0)
- return r;
-
- sd_event_set_watchdog(m->event, true);
-
- sd_event_add_signal(m->event, NULL, SIGTERM, NULL, NULL);
- sd_event_add_signal(m->event, NULL, SIGINT, NULL, NULL);
-
- r = manager_connect_rtnl(m);
- if (r < 0)
- return r;
-
- r = manager_connect_udev(m);
- if (r < 0)
- return r;
-
- m->netdevs = hashmap_new(&string_hash_ops);
- if (!m->netdevs)
- return -ENOMEM;
-
- LIST_HEAD_INIT(m->networks);
-
- r = setup_default_address_pool(m);
- if (r < 0)
- return r;
-
- *ret = m;
- m = NULL;
-
- return 0;
-}
-
-void manager_free(Manager *m) {
- Network *network;
- NetDev *netdev;
- Link *link;
- AddressPool *pool;
-
- if (!m)
- return;
-
- free(m->state_file);
-
- udev_monitor_unref(m->udev_monitor);
- udev_unref(m->udev);
- sd_bus_unref(m->bus);
- sd_bus_slot_unref(m->prepare_for_sleep_slot);
- sd_event_source_unref(m->udev_event_source);
- sd_event_source_unref(m->bus_retry_event_source);
- sd_event_unref(m->event);
-
- while ((link = hashmap_first(m->links)))
- link_unref(link);
- hashmap_free(m->links);
-
- while ((network = m->networks))
- network_free(network);
-
- hashmap_free(m->networks_by_name);
-
- while ((netdev = hashmap_first(m->netdevs)))
- netdev_unref(netdev);
- hashmap_free(m->netdevs);
-
- while ((pool = m->address_pools))
- address_pool_free(pool);
-
- sd_rtnl_unref(m->rtnl);
-
- free(m);
-}
-
-static bool manager_check_idle(void *userdata) {
- Manager *m = userdata;
- Link *link;
- Iterator i;
-
- assert(m);
-
- HASHMAP_FOREACH(link, m->links, i) {
- /* we are not woken on udev activity, so let's just wait for the
- * pending udev event */
- if (link->state == LINK_STATE_PENDING)
- return false;
-
- if (!link->network)
- continue;
-
- /* we are not woken on netork activity, so let's stay around */
- if (link_lldp_enabled(link) ||
- link_ipv4ll_enabled(link) ||
- link_dhcp4_server_enabled(link) ||
- link_dhcp4_enabled(link) ||
- link_dhcp6_enabled(link))
- return false;
- }
-
- return true;
-}
-
-int manager_run(Manager *m) {
- assert(m);
-
- if (m->bus)
- return bus_event_loop_with_idle(
- m->event,
- m->bus,
- "org.freedesktop.network1",
- DEFAULT_EXIT_USEC,
- manager_check_idle,
- m);
- else
- /* failed to connect to the bus, so we lose exit-on-idle logic,
- this should not happen except if dbus is not around at all */
- return sd_event_loop(m->event);
-}
-
-int manager_load_config(Manager *m) {
- int r;
-
- /* update timestamp */
- paths_check_timestamp(network_dirs, &m->network_dirs_ts_usec, true);
-
- r = netdev_load(m);
- if (r < 0)
- return r;
-
- r = network_load(m);
- if (r < 0)
- return r;
-
- return 0;
-}
-
-bool manager_should_reload(Manager *m) {
- return paths_check_timestamp(network_dirs, &m->network_dirs_ts_usec, false);
-}
-
-int manager_rtnl_enumerate_links(Manager *m) {
- _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL, *reply = NULL;
- sd_rtnl_message *link;
- int r;
-
- assert(m);
- assert(m->rtnl);
-
- r = sd_rtnl_message_new_link(m->rtnl, &req, RTM_GETLINK, 0);
- if (r < 0)
- return r;
-
- r = sd_rtnl_message_request_dump(req, true);
- if (r < 0)
- return r;
-
- r = sd_rtnl_call(m->rtnl, req, 0, &reply);
- if (r < 0)
- return r;
-
- for (link = reply; link; link = sd_rtnl_message_next(link)) {
- int k;
-
- m->enumerating = true;
-
- k = manager_rtnl_process_link(m->rtnl, link, m);
- if (k < 0)
- r = k;
-
- m->enumerating = false;
- }
-
- return r;
-}
-
-int manager_rtnl_enumerate_addresses(Manager *m) {
- _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL, *reply = NULL;
- sd_rtnl_message *addr;
- int r;
-
- assert(m);
- assert(m->rtnl);
-
- r = sd_rtnl_message_new_addr(m->rtnl, &req, RTM_GETADDR, 0, 0);
- if (r < 0)
- return r;
-
- r = sd_rtnl_message_request_dump(req, true);
- if (r < 0)
- return r;
-
- r = sd_rtnl_call(m->rtnl, req, 0, &reply);
- if (r < 0)
- return r;
-
- for (addr = reply; addr; addr = sd_rtnl_message_next(addr)) {
- int k;
-
- m->enumerating = true;
-
- k = link_rtnl_process_address(m->rtnl, addr, m);
- if (k < 0)
- r = k;
-
- m->enumerating = false;
- }
-
- return r;
-}
-
-static int set_put_in_addr(Set *s, const struct in_addr *address) {
- char *p;
- int r;
-
- assert(s);
-
- r = in_addr_to_string(AF_INET, (const union in_addr_union*) address, &p);
- if (r < 0)
- return r;
-
- r = set_consume(s, p);
- if (r == -EEXIST)
- return 0;
-
- return r;
-}
-
-static int set_put_in_addrv(Set *s, const struct in_addr *addresses, int n) {
- int r, i, c = 0;
-
- assert(s);
- assert(n <= 0 || addresses);
-
- for (i = 0; i < n; i++) {
- r = set_put_in_addr(s, addresses+i);
- if (r < 0)
- return r;
-
- c += r;
- }
-
- return c;
-}
-
-static void print_string_set(FILE *f, const char *field, Set *s) {
- bool space = false;
- Iterator i;
- char *p;
-
- if (set_isempty(s))
- return;
-
- fputs(field, f);
-
- SET_FOREACH(p, s, i) {
- if (space)
- fputc(' ', f);
- fputs(p, f);
- space = true;
- }
- fputc('\n', f);
-}
-
-int manager_save(Manager *m) {
- _cleanup_set_free_free_ Set *dns = NULL, *ntp = NULL, *domains = NULL;
- Link *link;
- Iterator i;
- _cleanup_free_ char *temp_path = NULL;
- _cleanup_fclose_ FILE *f = NULL;
- LinkOperationalState operstate = LINK_OPERSTATE_OFF;
- const char *operstate_str;
- int r;
-
- assert(m);
- assert(m->state_file);
-
- /* We add all NTP and DNS server to a set, to filter out duplicates */
- dns = set_new(&string_hash_ops);
- if (!dns)
- return -ENOMEM;
-
- ntp = set_new(&string_hash_ops);
- if (!ntp)
- return -ENOMEM;
-
- domains = set_new(&string_hash_ops);
- if (!domains)
- return -ENOMEM;
-
- HASHMAP_FOREACH(link, m->links, i) {
- if (link->flags & IFF_LOOPBACK)
- continue;
-
- if (link->operstate > operstate)
- operstate = link->operstate;
-
- if (!link->network)
- continue;
-
- /* First add the static configured entries */
- r = set_put_strdupv(dns, link->network->dns);
- if (r < 0)
- return r;
-
- r = set_put_strdupv(ntp, link->network->ntp);
- if (r < 0)
- return r;
-
- r = set_put_strdupv(domains, link->network->domains);
- if (r < 0)
- return r;
-
- if (!link->dhcp_lease)
- continue;
-
- /* Secondly, add the entries acquired via DHCP */
- if (link->network->dhcp_dns) {
- const struct in_addr *addresses;
-
- r = sd_dhcp_lease_get_dns(link->dhcp_lease, &addresses);
- if (r > 0) {
- r = set_put_in_addrv(dns, addresses, r);
- if (r < 0)
- return r;
- } else if (r < 0 && r != -ENOENT)
- return r;
- }
-
- if (link->network->dhcp_ntp) {
- const struct in_addr *addresses;
-
- r = sd_dhcp_lease_get_ntp(link->dhcp_lease, &addresses);
- if (r > 0) {
- r = set_put_in_addrv(ntp, addresses, r);
- if (r < 0)
- return r;
- } else if (r < 0 && r != -ENOENT)
- return r;
- }
-
- if (link->network->dhcp_domains) {
- const char *domainname;
-
- r = sd_dhcp_lease_get_domainname(link->dhcp_lease, &domainname);
- if (r >= 0) {
- r = set_put_strdup(domains, domainname);
- if (r < 0)
- return r;
- } else if (r != -ENOENT)
- return r;
- }
- }
-
- operstate_str = link_operstate_to_string(operstate);
- assert(operstate_str);
-
- r = fopen_temporary(m->state_file, &f, &temp_path);
- if (r < 0)
- return r;
-
- fchmod(fileno(f), 0644);
-
- fprintf(f,
- "# This is private data. Do not parse.\n"
- "OPER_STATE=%s\n", operstate_str);
-
- print_string_set(f, "DNS=", dns);
- print_string_set(f, "NTP=", ntp);
- print_string_set(f, "DOMAINS=", domains);
-
- r = fflush_and_check(f);
- if (r < 0)
- goto fail;
-
- if (rename(temp_path, m->state_file) < 0) {
- r = -errno;
- goto fail;
- }
-
- if (m->operational_state != operstate) {
- m->operational_state = operstate;
- r = manager_send_changed(m, "OperationalState", NULL);
- if (r < 0)
- log_error_errno(r, "Could not emit changed OperationalState: %m");
- }
-
- return 0;
-
-fail:
- log_error_errno(r, "Failed to save network state to %s: %m", m->state_file);
- unlink(m->state_file);
- unlink(temp_path);
- return r;
-}
-
-int manager_address_pool_acquire(Manager *m, int family, unsigned prefixlen, union in_addr_union *found) {
- AddressPool *p;
- int r;
-
- assert(m);
- assert(prefixlen > 0);
- assert(found);
-
- LIST_FOREACH(address_pools, p, m->address_pools) {
- if (p->family != family)
- continue;
-
- r = address_pool_acquire(p, prefixlen, found);
- if (r != 0)
- return r;
- }
-
- return 0;
-}
-
-const char *address_family_boolean_to_string(AddressFamilyBoolean b) {
- if (b == ADDRESS_FAMILY_YES ||
- b == ADDRESS_FAMILY_NO)
- return yes_no(b == ADDRESS_FAMILY_YES);
-
- if (b == ADDRESS_FAMILY_IPV4)
- return "ipv4";
- if (b == ADDRESS_FAMILY_IPV6)
- return "ipv6";
-
- return NULL;
-}
-
-AddressFamilyBoolean address_family_boolean_from_string(const char *s) {
- int r;
-
- /* Make this a true superset of a boolean */
-
- r = parse_boolean(s);
- if (r > 0)
- return ADDRESS_FAMILY_YES;
- if (r == 0)
- return ADDRESS_FAMILY_NO;
-
- if (streq(s, "ipv4"))
- return ADDRESS_FAMILY_IPV4;
- if (streq(s, "ipv6"))
- return ADDRESS_FAMILY_IPV6;
-
- return _ADDRESS_FAMILY_BOOLEAN_INVALID;
-}
-
-DEFINE_CONFIG_PARSE_ENUM(config_parse_address_family_boolean, address_family_boolean, AddressFamilyBoolean, "Failed to parse option");
+++ /dev/null
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- This file is part of systemd.
-
- Copyright 2014 Tom Gundersen <teg@jklm.no>
- Copyright 2014 Susant Sahani
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include <netinet/ether.h>
-#include <linux/if_bonding.h>
-
-#include "conf-parser.h"
-#include "sd-rtnl.h"
-#include "networkd-netdev-bond.h"
-#include "missing.h"
-
-static const char* const bond_mode_table[_NETDEV_BOND_MODE_MAX] = {
- [NETDEV_BOND_MODE_BALANCE_RR] = "balance-rr",
- [NETDEV_BOND_MODE_ACTIVE_BACKUP] = "active-backup",
- [NETDEV_BOND_MODE_BALANCE_XOR] = "balance-xor",
- [NETDEV_BOND_MODE_BROADCAST] = "broadcast",
- [NETDEV_BOND_MODE_802_3AD] = "802.3ad",
- [NETDEV_BOND_MODE_BALANCE_TLB] = "balance-tlb",
- [NETDEV_BOND_MODE_BALANCE_ALB] = "balance-alb",
-};
-
-DEFINE_STRING_TABLE_LOOKUP(bond_mode, BondMode);
-DEFINE_CONFIG_PARSE_ENUM(config_parse_bond_mode, bond_mode, BondMode, "Failed to parse bond mode");
-
-
-static const char* const bond_xmit_hash_policy_table[_NETDEV_BOND_XMIT_HASH_POLICY_MAX] = {
- [NETDEV_BOND_XMIT_HASH_POLICY_LAYER2] = "layer2",
- [NETDEV_BOND_XMIT_HASH_POLICY_LAYER34] = "layer3+4",
- [NETDEV_BOND_XMIT_HASH_POLICY_LAYER23] = "layer2+3",
- [NETDEV_BOND_XMIT_HASH_POLICY_ENCAP23] = "encap2+3",
- [NETDEV_BOND_XMIT_HASH_POLICY_ENCAP34] = "encap3+4",
-};
-
-DEFINE_STRING_TABLE_LOOKUP(bond_xmit_hash_policy, BondXmitHashPolicy);
-DEFINE_CONFIG_PARSE_ENUM(config_parse_bond_xmit_hash_policy,
- bond_xmit_hash_policy,
- BondXmitHashPolicy,
- "Failed to parse bond transmit hash policy")
-
-static const char* const bond_lacp_rate_table[_NETDEV_BOND_LACP_RATE_MAX] = {
- [NETDEV_BOND_LACP_RATE_SLOW] = "slow",
- [NETDEV_BOND_LACP_RATE_FAST] = "fast",
-};
-
-DEFINE_STRING_TABLE_LOOKUP(bond_lacp_rate, BondLacpRate);
-DEFINE_CONFIG_PARSE_ENUM(config_parse_bond_lacp_rate, bond_lacp_rate, BondLacpRate, "Failed to parse bond lacp rate")
-
-static uint8_t bond_mode_to_kernel(BondMode mode) {
- switch (mode) {
- case NETDEV_BOND_MODE_BALANCE_RR:
- return BOND_MODE_ROUNDROBIN;
- case NETDEV_BOND_MODE_ACTIVE_BACKUP:
- return BOND_MODE_ACTIVEBACKUP;
- case NETDEV_BOND_MODE_BALANCE_XOR:
- return BOND_MODE_XOR;
- case NETDEV_BOND_MODE_BROADCAST:
- return BOND_MODE_BROADCAST;
- case NETDEV_BOND_MODE_802_3AD:
- return BOND_MODE_8023AD;
- case NETDEV_BOND_MODE_BALANCE_TLB:
- return BOND_MODE_TLB;
- case NETDEV_BOND_MODE_BALANCE_ALB:
- return BOND_MODE_ALB;
- default:
- return (uint8_t) -1;
- }
-}
-
-static uint8_t bond_xmit_hash_policy_to_kernel(BondXmitHashPolicy policy) {
- switch (policy) {
- case NETDEV_BOND_XMIT_HASH_POLICY_LAYER2:
- return BOND_XMIT_POLICY_LAYER2;
- case NETDEV_BOND_XMIT_HASH_POLICY_LAYER34:
- return BOND_XMIT_POLICY_LAYER34;
- case NETDEV_BOND_XMIT_HASH_POLICY_LAYER23:
- return BOND_XMIT_POLICY_LAYER23;
- case NETDEV_BOND_XMIT_HASH_POLICY_ENCAP23:
- return BOND_XMIT_POLICY_ENCAP23;
- case NETDEV_BOND_XMIT_HASH_POLICY_ENCAP34:
- return BOND_XMIT_POLICY_ENCAP34;
- default:
- return (uint8_t) -1;
- }
-}
-
-static int netdev_bond_fill_message_create(NetDev *netdev, Link *link, sd_rtnl_message *m) {
- Bond *b = BOND(netdev);
- int r;
-
- assert(netdev);
- assert(!link);
- assert(b);
- assert(m);
-
- if (b->mode != _NETDEV_BOND_MODE_INVALID) {
- r = sd_rtnl_message_append_u8(m, IFLA_BOND_MODE,
- bond_mode_to_kernel(b->mode));
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not append IFLA_BOND_MODE attribute: %s",
- strerror(-r));
- return r;
- }
- }
-
- if (b->xmit_hash_policy != _NETDEV_BOND_XMIT_HASH_POLICY_INVALID) {
- r = sd_rtnl_message_append_u8(m, IFLA_BOND_XMIT_HASH_POLICY,
- bond_xmit_hash_policy_to_kernel(b->xmit_hash_policy));
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not append IFLA_BOND_XMIT_HASH_POLICY attribute: %s",
- strerror(-r));
- return r;
- }
- }
-
- if (b->lacp_rate != _NETDEV_BOND_LACP_RATE_INVALID &&
- b->mode == NETDEV_BOND_MODE_802_3AD) {
- r = sd_rtnl_message_append_u8(m, IFLA_BOND_AD_LACP_RATE, b->lacp_rate );
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not append IFLA_BOND_AD_LACP_RATE attribute: %s",
- strerror(-r));
- return r;
- }
- }
-
- if (b->miimon != 0) {
- r = sd_rtnl_message_append_u32(m, IFLA_BOND_MIIMON, b->miimon / USEC_PER_MSEC);
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not append IFLA_BOND_BOND_MIIMON attribute: %s",
- strerror(-r));
- return r;
- }
- }
-
- if (b->downdelay != 0) {
- r = sd_rtnl_message_append_u32(m, IFLA_BOND_DOWNDELAY, b->downdelay / USEC_PER_MSEC);
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not append IFLA_BOND_DOWNDELAY attribute: %s",
- strerror(-r));
- return r;
- }
- }
-
- if (b->updelay != 0) {
- r = sd_rtnl_message_append_u32(m, IFLA_BOND_UPDELAY, b->updelay / USEC_PER_MSEC);
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not append IFLA_BOND_UPDELAY attribute: %s",
- strerror(-r));
- return r;
- }
- }
-
- return 0;
-}
-
-static void bond_init(NetDev *netdev) {
- Bond *b = BOND(netdev);
-
- assert(netdev);
- assert(b);
-
- b->mode = _NETDEV_BOND_MODE_INVALID;
- b->xmit_hash_policy = _NETDEV_BOND_XMIT_HASH_POLICY_INVALID;
- b->lacp_rate = _NETDEV_BOND_LACP_RATE_INVALID;
-}
-
-const NetDevVTable bond_vtable = {
- .object_size = sizeof(Bond),
- .init = bond_init,
- .sections = "Match\0NetDev\0Bond\0",
- .fill_message_create = netdev_bond_fill_message_create,
- .create_type = NETDEV_CREATE_MASTER,
-};
+++ /dev/null
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- This file is part of systemd.
-
- Copyright 2014 Tom Gundersen <teg@jklm.no>
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#pragma once
-
-typedef struct Bond Bond;
-
-#include "networkd-netdev.h"
-
-typedef enum BondMode {
- NETDEV_BOND_MODE_BALANCE_RR,
- NETDEV_BOND_MODE_ACTIVE_BACKUP,
- NETDEV_BOND_MODE_BALANCE_XOR,
- NETDEV_BOND_MODE_BROADCAST,
- NETDEV_BOND_MODE_802_3AD,
- NETDEV_BOND_MODE_BALANCE_TLB,
- NETDEV_BOND_MODE_BALANCE_ALB,
- _NETDEV_BOND_MODE_MAX,
- _NETDEV_BOND_MODE_INVALID = -1
-} BondMode;
-
-typedef enum BondXmitHashPolicy {
- NETDEV_BOND_XMIT_HASH_POLICY_LAYER2,
- NETDEV_BOND_XMIT_HASH_POLICY_LAYER34,
- NETDEV_BOND_XMIT_HASH_POLICY_LAYER23,
- NETDEV_BOND_XMIT_HASH_POLICY_ENCAP23,
- NETDEV_BOND_XMIT_HASH_POLICY_ENCAP34,
- _NETDEV_BOND_XMIT_HASH_POLICY_MAX,
- _NETDEV_BOND_XMIT_HASH_POLICY_INVALID = -1
-} BondXmitHashPolicy;
-
-
-typedef enum BondLacpRate {
- NETDEV_BOND_LACP_RATE_SLOW,
- NETDEV_BOND_LACP_RATE_FAST,
- _NETDEV_BOND_LACP_RATE_MAX,
- _NETDEV_BOND_LACP_RATE_INVALID = -1,
-} BondLacpRate;
-
-struct Bond {
- NetDev meta;
-
- BondMode mode;
- BondXmitHashPolicy xmit_hash_policy;
- BondLacpRate lacp_rate;
-
- usec_t miimon;
- usec_t updelay;
- usec_t downdelay;
-};
-
-extern const NetDevVTable bond_vtable;
-
-const char *bond_mode_to_string(BondMode d) _const_;
-BondMode bond_mode_from_string(const char *d) _pure_;
-
-const char *bond_xmit_hash_policy_to_string(BondXmitHashPolicy d) _const_;
-BondXmitHashPolicy bond_xmit_hash_policy_from_string(const char *d) _pure_;
-
-const char *bond_lacp_rate_to_string(BondLacpRate d) _const_;
-BondLacpRate bond_lacp_rate_from_string(const char *d) _pure_;
-
-int config_parse_bond_mode(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);
-int config_parse_bond_xmit_hash_policy(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);
-int config_parse_bond_lacp_rate(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);
+++ /dev/null
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- This file is part of systemd.
-
- Copyright 2014 Tom Gundersen <teg@jklm.no>
- Copyright 2014 Susant Sahani
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-
-#include "networkd-netdev-bridge.h"
-#include "missing.h"
-
-const NetDevVTable bridge_vtable = {
- .object_size = sizeof(Bridge),
- .sections = "Match\0NetDev\0",
- .create_type = NETDEV_CREATE_MASTER,
-};
+++ /dev/null
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- This file is part of systemd.
-
- Copyright 2014 Tom Gundersen <teg@jklm.no>
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#pragma once
-
-typedef struct Bridge Bridge;
-
-#include "networkd-netdev.h"
-
-struct Bridge {
- NetDev meta;
-};
-
-extern const NetDevVTable bridge_vtable;
+++ /dev/null
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- This file is part of systemd.
-
- Copyright 2014 Susant Sahani <susant@redhat.com>
- Copyright 2014 Tom Gundersen
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-
-#include "networkd-netdev-dummy.h"
-
-const NetDevVTable dummy_vtable = {
- .object_size = sizeof(Dummy),
- .sections = "Match\0NetDev\0",
- .create_type = NETDEV_CREATE_INDEPENDENT,
-};
+++ /dev/null
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- This file is part of systemd.
-
- Copyright 2014 Tom Gundersen <teg@jklm.no>
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#pragma once
-
-typedef struct Dummy Dummy;
-
-#include "networkd-netdev.h"
-
-struct Dummy {
- NetDev meta;
-};
-
-extern const NetDevVTable dummy_vtable;
+++ /dev/null
-%{
-#include <stddef.h>
-#include "conf-parser.h"
-#include "networkd-netdev.h"
-#include "networkd-netdev-tunnel.h"
-#include "networkd-netdev-bond.h"
-#include "networkd-netdev-macvlan.h"
-#include "network-internal.h"
-%}
-struct ConfigPerfItem;
-%null_strings
-%language=ANSI-C
-%define slot-name section_and_lvalue
-%define hash-function-name network_netdev_gperf_hash
-%define lookup-function-name network_netdev_gperf_lookup
-%readonly-tables
-%omit-struct-type
-%struct-type
-%includes
-%%
-Match.Host, config_parse_net_condition, CONDITION_HOST, offsetof(NetDev, match_host)
-Match.Virtualization, config_parse_net_condition, CONDITION_VIRTUALIZATION, offsetof(NetDev, match_virt)
-Match.KernelCommandLine, config_parse_net_condition, CONDITION_KERNEL_COMMAND_LINE, offsetof(NetDev, match_kernel)
-Match.Architecture, config_parse_net_condition, CONDITION_ARCHITECTURE, offsetof(NetDev, match_arch)
-NetDev.Description, config_parse_string, 0, offsetof(NetDev, description)
-NetDev.Name, config_parse_ifname, 0, offsetof(NetDev, ifname)
-NetDev.Kind, config_parse_netdev_kind, 0, offsetof(NetDev, kind)
-NetDev.MTUBytes, config_parse_iec_size, 0, offsetof(NetDev, mtu)
-NetDev.MACAddress, config_parse_hwaddr, 0, offsetof(NetDev, mac)
-VLAN.Id, config_parse_uint64, 0, offsetof(VLan, id)
-MACVLAN.Mode, config_parse_macvlan_mode, 0, offsetof(MacVlan, mode)
-IPVLAN.Mode, config_parse_ipvlan_mode, 0, offsetof(IPVlan, mode)
-Tunnel.Local, config_parse_tunnel_address, 0, offsetof(Tunnel, local)
-Tunnel.Remote, config_parse_tunnel_address, 0, offsetof(Tunnel, remote)
-Tunnel.TOS, config_parse_unsigned, 0, offsetof(Tunnel, tos)
-Tunnel.TTL, config_parse_unsigned, 0, offsetof(Tunnel, ttl)
-Tunnel.DiscoverPathMTU, config_parse_bool, 0, offsetof(Tunnel, pmtudisc)
-Tunnel.Mode, config_parse_ip6tnl_mode, 0, offsetof(Tunnel, ip6tnl_mode)
-Peer.Name, config_parse_ifname, 0, offsetof(Veth, ifname_peer)
-Peer.MACAddress, config_parse_hwaddr, 0, offsetof(Veth, mac_peer)
-VXLAN.Id, config_parse_uint64, 0, offsetof(VxLan, id)
-VXLAN.Group, config_parse_vxlan_group_address, 0, offsetof(VxLan, group)
-VXLAN.TOS, config_parse_unsigned, 0, offsetof(VxLan, tos)
-VXLAN.TTL, config_parse_unsigned, 0, offsetof(VxLan, ttl)
-VXLAN.MacLearning, config_parse_bool, 0, offsetof(VxLan, learning)
-VXLAN.ARPProxy, config_parse_bool, 0, offsetof(VxLan, arp_proxy)
-VXLAN.L2MissNotification, config_parse_bool, 0, offsetof(VxLan, l2miss)
-VXLAN.L3MissNotification, config_parse_bool, 0, offsetof(VxLan, l3miss)
-VXLAN.RouteShortCircuit, config_parse_bool, 0, offsetof(VxLan, route_short_circuit)
-VXLAN.FDBAgeingSec, config_parse_sec, 0, offsetof(VxLan, fdb_ageing)
-Tun.OneQueue, config_parse_bool, 0, offsetof(TunTap, one_queue)
-Tun.MultiQueue, config_parse_bool, 0, offsetof(TunTap, multi_queue)
-Tun.PacketInfo, config_parse_bool, 0, offsetof(TunTap, packet_info)
-Tun.User, config_parse_string, 0, offsetof(TunTap, user_name)
-Tun.Group, config_parse_string, 0, offsetof(TunTap, group_name)
-Tap.OneQueue, config_parse_bool, 0, offsetof(TunTap, one_queue)
-Tap.MultiQueue, config_parse_bool, 0, offsetof(TunTap, multi_queue)
-Tap.PacketInfo, config_parse_bool, 0, offsetof(TunTap, packet_info)
-Tap.User, config_parse_string, 0, offsetof(TunTap, user_name)
-Tap.Group, config_parse_string, 0, offsetof(TunTap, group_name)
-Bond.Mode, config_parse_bond_mode, 0, offsetof(Bond, mode)
-Bond.TransmitHashPolicy, config_parse_bond_xmit_hash_policy, 0, offsetof(Bond, xmit_hash_policy)
-Bond.LACPTransmitRate, config_parse_bond_lacp_rate, 0, offsetof(Bond, lacp_rate)
-Bond.MIIMonitorSec, config_parse_sec, 0, offsetof(Bond, miimon)
-Bond.UpDelaySec, config_parse_sec, 0, offsetof(Bond, updelay)
-Bond.DownDelaySec, config_parse_sec, 0, offsetof(Bond, downdelay)
+++ /dev/null
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- This file is part of systemd.
-
- Copyright 2013-2015 Tom Gundersen <teg@jklm.no>
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include <net/if.h>
-
-#include "networkd-netdev-ipvlan.h"
-#include "conf-parser.h"
-
-static const char* const ipvlan_mode_table[_NETDEV_IPVLAN_MODE_MAX] = {
- [NETDEV_IPVLAN_MODE_L2] = "L2",
- [NETDEV_IPVLAN_MODE_L3] = "L3",
-};
-
-DEFINE_STRING_TABLE_LOOKUP(ipvlan_mode, IPVlanMode);
-DEFINE_CONFIG_PARSE_ENUM(config_parse_ipvlan_mode, ipvlan_mode, IPVlanMode, "Failed to parse ipvlan mode");
-
-static int netdev_ipvlan_fill_message_create(NetDev *netdev, Link *link, sd_rtnl_message *req) {
- IPVlan *m = IPVLAN(netdev);
- int r;
-
- assert(netdev);
- assert(m);
- assert(link);
- assert(netdev->ifname);
-
- if (m->mode != _NETDEV_IPVLAN_MODE_INVALID) {
- r = sd_rtnl_message_append_u16(req, IFLA_IPVLAN_MODE, m->mode);
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not append IFLA_IPVLAN_MODE attribute: %s",
- strerror(-r));
- return r;
- }
- }
-
- return 0;
-}
-
-static void ipvlan_init(NetDev *n) {
- IPVlan *m = IPVLAN(n);
-
- assert(n);
- assert(m);
-
- m->mode = _NETDEV_IPVLAN_MODE_INVALID;
-}
-
-const NetDevVTable ipvlan_vtable = {
- .object_size = sizeof(IPVlan),
- .init = ipvlan_init,
- .sections = "Match\0NetDev\0IPVLAN\0",
- .fill_message_create = netdev_ipvlan_fill_message_create,
- .create_type = NETDEV_CREATE_STACKED,
-};
+++ /dev/null
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- This file is part of systemd.
-
- Copyright 2014-2015 Tom Gundersen <teg@jklm.no>
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#pragma once
-
-typedef struct IPVlan IPVlan;
-
-#include "missing.h"
-#include "networkd-netdev.h"
-
-typedef enum IPVlanMode {
- NETDEV_IPVLAN_MODE_L2 = IPVLAN_MODE_L2,
- NETDEV_IPVLAN_MODE_L3 = IPVLAN_MODE_L3,
- _NETDEV_IPVLAN_MODE_MAX,
- _NETDEV_IPVLAN_MODE_INVALID = -1
-} IPVlanMode;
-
-struct IPVlan {
- NetDev meta;
-
- IPVlanMode mode;
-};
-
-extern const NetDevVTable ipvlan_vtable;
-
-const char *ipvlan_mode_to_string(IPVlanMode d) _const_;
-IPVlanMode ipvlan_mode_from_string(const char *d) _pure_;
-
-int config_parse_ipvlan_mode(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);
+++ /dev/null
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- This file is part of systemd.
-
- Copyright 2013 Tom Gundersen <teg@jklm.no>
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include <net/if.h>
-
-#include "networkd-netdev-macvlan.h"
-#include "conf-parser.h"
-
-static const char* const macvlan_mode_table[_NETDEV_MACVLAN_MODE_MAX] = {
- [NETDEV_MACVLAN_MODE_PRIVATE] = "private",
- [NETDEV_MACVLAN_MODE_VEPA] = "vepa",
- [NETDEV_MACVLAN_MODE_BRIDGE] = "bridge",
- [NETDEV_MACVLAN_MODE_PASSTHRU] = "passthru",
-};
-
-DEFINE_STRING_TABLE_LOOKUP(macvlan_mode, MacVlanMode);
-DEFINE_CONFIG_PARSE_ENUM(config_parse_macvlan_mode, macvlan_mode, MacVlanMode, "Failed to parse macvlan mode");
-
-static int netdev_macvlan_fill_message_create(NetDev *netdev, Link *link, sd_rtnl_message *req) {
- MacVlan *m = MACVLAN(netdev);
- int r;
-
- assert(netdev);
- assert(m);
- assert(link);
- assert(netdev->ifname);
-
- if (m->mode != _NETDEV_MACVLAN_MODE_INVALID) {
- r = sd_rtnl_message_append_u32(req, IFLA_MACVLAN_MODE, m->mode);
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not append IFLA_MACVLAN_MODE attribute: %s",
- strerror(-r));
- return r;
- }
- }
-
- return 0;
-}
-
-static void macvlan_init(NetDev *n) {
- MacVlan *m = MACVLAN(n);
-
- assert(n);
- assert(m);
-
- m->mode = _NETDEV_MACVLAN_MODE_INVALID;
-}
-
-const NetDevVTable macvlan_vtable = {
- .object_size = sizeof(MacVlan),
- .init = macvlan_init,
- .sections = "Match\0NetDev\0MACVLAN\0",
- .fill_message_create = netdev_macvlan_fill_message_create,
- .create_type = NETDEV_CREATE_STACKED,
-};
+++ /dev/null
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- This file is part of systemd.
-
- Copyright 2014 Tom Gundersen <teg@jklm.no>
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#pragma once
-
-typedef struct MacVlan MacVlan;
-
-#include "networkd-netdev.h"
-
-typedef enum MacVlanMode {
- NETDEV_MACVLAN_MODE_PRIVATE = MACVLAN_MODE_PRIVATE,
- NETDEV_MACVLAN_MODE_VEPA = MACVLAN_MODE_VEPA,
- NETDEV_MACVLAN_MODE_BRIDGE = MACVLAN_MODE_BRIDGE,
- NETDEV_MACVLAN_MODE_PASSTHRU = MACVLAN_MODE_PASSTHRU,
- _NETDEV_MACVLAN_MODE_MAX,
- _NETDEV_MACVLAN_MODE_INVALID = -1
-} MacVlanMode;
-
-struct MacVlan {
- NetDev meta;
-
- MacVlanMode mode;
-};
-
-extern const NetDevVTable macvlan_vtable;
-
-const char *macvlan_mode_to_string(MacVlanMode d) _const_;
-MacVlanMode macvlan_mode_from_string(const char *d) _pure_;
-
-int config_parse_macvlan_mode(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);
+++ /dev/null
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- This file is part of systemd.
-
- Copyright 2014 Susant Sahani
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include <arpa/inet.h>
-#include <net/if.h>
-#include <linux/ip.h>
-#include <linux/if_tunnel.h>
-#include <linux/ip6_tunnel.h>
-
-#include "sd-rtnl.h"
-#include "networkd-netdev-tunnel.h"
-#include "networkd-link.h"
-#include "util.h"
-#include "missing.h"
-#include "conf-parser.h"
-
-#define DEFAULT_TNL_HOP_LIMIT 64
-
-static const char* const ip6tnl_mode_table[_NETDEV_IP6_TNL_MODE_MAX] = {
- [NETDEV_IP6_TNL_MODE_IP6IP6] = "ip6ip6",
- [NETDEV_IP6_TNL_MODE_IPIP6] = "ipip6",
- [NETDEV_IP6_TNL_MODE_ANYIP6] = "any",
-};
-
-DEFINE_STRING_TABLE_LOOKUP(ip6tnl_mode, Ip6TnlMode);
-DEFINE_CONFIG_PARSE_ENUM(config_parse_ip6tnl_mode, ip6tnl_mode, Ip6TnlMode, "Failed to parse ip6 tunnel Mode");
-
-static int netdev_ipip_fill_message_create(NetDev *netdev, Link *link, sd_rtnl_message *m) {
- Tunnel *t = IPIP(netdev);
- int r;
-
- assert(netdev);
- assert(link);
- assert(m);
- assert(t);
- assert(t->family == AF_INET);
-
- r = sd_rtnl_message_append_u32(m, IFLA_IPTUN_LINK, link->ifindex);
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not append IFLA_IPTUN_LINK attribute: %s",
- strerror(-r));
- return r;
- }
-
- r = sd_rtnl_message_append_in_addr(m, IFLA_IPTUN_LOCAL, &t->local.in);
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not append IFLA_IPTUN_LOCAL attribute: %s",
- strerror(-r));
- return r;
- }
-
- r = sd_rtnl_message_append_in_addr(m, IFLA_IPTUN_REMOTE, &t->remote.in);
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not append IFLA_IPTUN_REMOTE attribute: %s",
- strerror(-r));
- return r;
- }
-
- r = sd_rtnl_message_append_u8(m, IFLA_IPTUN_TTL, t->ttl);
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not append IFLA_IPTUN_TTL attribute: %s",
- strerror(-r));
- return r;
- }
-
- r = sd_rtnl_message_append_u8(m, IFLA_IPTUN_PMTUDISC, t->pmtudisc);
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not append IFLA_IPTUN_PMTUDISC attribute: %s",
- strerror(-r));
- return r;
- }
-
- return r;
-}
-
-static int netdev_sit_fill_message_create(NetDev *netdev, Link *link, sd_rtnl_message *m) {
- Tunnel *t = SIT(netdev);
- int r;
-
- assert(netdev);
- assert(link);
- assert(m);
- assert(t);
- assert(t->family == AF_INET);
-
- r = sd_rtnl_message_append_u32(m, IFLA_IPTUN_LINK, link->ifindex);
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not append IFLA_IPTUN_LINK attribute: %s",
- strerror(-r));
- return r;
- }
-
- r = sd_rtnl_message_append_in_addr(m, IFLA_IPTUN_LOCAL, &t->local.in);
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not append IFLA_IPTUN_LOCAL attribute: %s",
- strerror(-r));
- return r;
- }
-
- r = sd_rtnl_message_append_in_addr(m, IFLA_IPTUN_REMOTE, &t->remote.in);
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not append IFLA_IPTUN_REMOTE attribute: %s",
- strerror(-r));
- return r;
- }
-
- r = sd_rtnl_message_append_u8(m, IFLA_IPTUN_TTL, t->ttl);
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not append IFLA_IPTUN_TTL attribute: %s",
- strerror(-r));
- return r;
- }
-
- r = sd_rtnl_message_append_u8(m, IFLA_IPTUN_PMTUDISC, t->pmtudisc);
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not append IFLA_IPTUN_PMTUDISC attribute: %s",
- strerror(-r));
- return r;
- }
-
- return r;
-}
-
-static int netdev_gre_fill_message_create(NetDev *netdev, Link *link, sd_rtnl_message *m) {
- Tunnel *t;
- int r;
-
- assert(netdev);
-
- if (netdev->kind == NETDEV_KIND_GRE)
- t = GRE(netdev);
- else
- t = GRETAP(netdev);
-
- assert(t);
- assert(t->family == AF_INET);
- assert(link);
- assert(m);
-
- r = sd_rtnl_message_append_u32(m, IFLA_GRE_LINK, link->ifindex);
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not append IFLA_GRE_LINK attribute: %s",
- strerror(-r));
- return r;
- }
-
- r = sd_rtnl_message_append_in_addr(m, IFLA_GRE_LOCAL, &t->local.in);
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not append IFLA_GRE_LOCAL attribute: %s",
- strerror(-r));
- return r;
- }
-
- r = sd_rtnl_message_append_in_addr(m, IFLA_GRE_REMOTE, &t->remote.in);
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not append IFLA_GRE_REMOTE attribute: %s",
- strerror(-r));
- return r;
- }
-
- r = sd_rtnl_message_append_u8(m, IFLA_GRE_TTL, t->ttl);
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not append IFLA_GRE_TTL attribute: %s",
- strerror(-r));
- return r;
- }
-
- r = sd_rtnl_message_append_u8(m, IFLA_GRE_TOS, t->tos);
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not append IFLA_GRE_TOS attribute: %s",
- strerror(-r));
- return r;
- }
-
- r = sd_rtnl_message_append_u8(m, IFLA_GRE_PMTUDISC, t->pmtudisc);
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not append IFLA_GRE_PMTUDISC attribute: %s",
- strerror(-r));
- return r;
- }
-
- return r;
-}
-
-static int netdev_ip6gre_fill_message_create(NetDev *netdev, Link *link, sd_rtnl_message *m) {
- Tunnel *t;
- int r;
-
- assert(netdev);
-
- if (netdev->kind == NETDEV_KIND_IP6GRE)
- t = IP6GRE(netdev);
- else
- t = IP6GRETAP(netdev);
-
- assert(t);
- assert(t->family == AF_INET6);
- assert(link);
- assert(m);
-
- r = sd_rtnl_message_append_u32(m, IFLA_GRE_LINK, link->ifindex);
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not append IFLA_GRE_LINK attribute: %s",
- strerror(-r));
- return r;
- }
-
- r = sd_rtnl_message_append_in6_addr(m, IFLA_GRE_LOCAL, &t->local.in6);
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not append IFLA_GRE_LOCAL attribute: %s",
- strerror(-r));
- return r;
- }
-
- r = sd_rtnl_message_append_in6_addr(m, IFLA_GRE_REMOTE, &t->remote.in6);
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not append IFLA_GRE_REMOTE attribute: %s",
- strerror(-r));
- return r;
- }
-
- r = sd_rtnl_message_append_u8(m, IFLA_GRE_TTL, t->ttl);
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not append IFLA_GRE_TTL attribute: %s",
- strerror(-r));
- return r;
- }
-
- return r;
-}
-
-static int netdev_vti_fill_message_create(NetDev *netdev, Link *link, sd_rtnl_message *m) {
- Tunnel *t = VTI(netdev);
- int r;
-
- assert(netdev);
- assert(link);
- assert(m);
- assert(t);
- assert(t->family == AF_INET);
-
- r = sd_rtnl_message_append_u32(m, IFLA_VTI_LINK, link->ifindex);
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not append IFLA_IPTUN_LINK attribute: %s",
- strerror(-r));
- return r;
- }
-
- r = sd_rtnl_message_append_in_addr(m, IFLA_VTI_LOCAL, &t->local.in);
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not append IFLA_IPTUN_LOCAL attribute: %s",
- strerror(-r));
- return r;
- }
-
- r = sd_rtnl_message_append_in_addr(m, IFLA_VTI_REMOTE, &t->remote.in);
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not append IFLA_IPTUN_REMOTE attribute: %s",
- strerror(-r));
- return r;
- }
-
- return r;
-}
-
-static int netdev_ip6tnl_fill_message_create(NetDev *netdev, Link *link, sd_rtnl_message *m) {
- Tunnel *t = IP6TNL(netdev);
- uint8_t proto;
- int r;
-
- assert(netdev);
- assert(link);
- assert(m);
- assert(t);
- assert(t->family == AF_INET6);
-
- r = sd_rtnl_message_append_u32(m, IFLA_IPTUN_LINK, link->ifindex);
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not append IFLA_IPTUN_LINK attribute: %s",
- strerror(-r));
- return r;
- }
-
- r = sd_rtnl_message_append_in6_addr(m, IFLA_IPTUN_LOCAL, &t->local.in6);
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not append IFLA_IPTUN_LOCAL attribute: %s",
- strerror(-r));
- return r;
- }
-
- r = sd_rtnl_message_append_in6_addr(m, IFLA_IPTUN_REMOTE, &t->remote.in6);
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not append IFLA_IPTUN_REMOTE attribute: %s",
- strerror(-r));
- return r;
- }
-
- r = sd_rtnl_message_append_u8(m, IFLA_IPTUN_TTL, t->ttl);
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not append IFLA_IPTUN_TTL attribute: %s",
- strerror(-r));
- return r;
- }
-
- switch (t->ip6tnl_mode) {
- case NETDEV_IP6_TNL_MODE_IP6IP6:
- proto = IPPROTO_IPV6;
- break;
- case NETDEV_IP6_TNL_MODE_IPIP6:
- proto = IPPROTO_IPIP;
- break;
- case NETDEV_IP6_TNL_MODE_ANYIP6:
- default:
- proto = 0;
- break;
- }
-
- r = sd_rtnl_message_append_u8(m, IFLA_IPTUN_PROTO, proto);
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not append IFLA_IPTUN_MODE attribute: %s",
- strerror(-r));
- return r;
- }
-
- return r;
-}
-
-static int netdev_tunnel_verify(NetDev *netdev, const char *filename) {
- Tunnel *t = NULL;
-
- assert(netdev);
- assert(filename);
-
- switch (netdev->kind) {
- case NETDEV_KIND_IPIP:
- t = IPIP(netdev);
- break;
- case NETDEV_KIND_SIT:
- t = SIT(netdev);
- break;
- case NETDEV_KIND_GRE:
- t = GRE(netdev);
- break;
- case NETDEV_KIND_GRETAP:
- t = GRETAP(netdev);
- break;
- case NETDEV_KIND_IP6GRE:
- t = IP6GRE(netdev);
- break;
- case NETDEV_KIND_IP6GRETAP:
- t = IP6GRETAP(netdev);
- break;
- case NETDEV_KIND_VTI:
- t = VTI(netdev);
- break;
- case NETDEV_KIND_IP6TNL:
- t = IP6TNL(netdev);
- break;
- default:
- assert_not_reached("Invalid tunnel kind");
- }
-
- assert(t);
-
- if (t->remote.in.s_addr == INADDR_ANY) {
- log_warning("Tunnel without remote address configured in %s. Ignoring", filename);
- return -EINVAL;
- }
-
- if (t->family != AF_INET && t->family != AF_INET6) {
- log_warning("Tunnel with invalid address family configured in %s. Ignoring", filename);
- return -EINVAL;
- }
-
- if (netdev->kind == NETDEV_KIND_IP6TNL) {
- if (t->ip6tnl_mode == _NETDEV_IP6_TNL_MODE_INVALID) {
- log_warning("IP6 Tunnel without mode configured in %s. Ignoring", filename);
- return -EINVAL;
- }
- }
-
- return 0;
-}
-
-int config_parse_tunnel_address(const char *unit,
- const char *filename,
- unsigned line,
- const char *section,
- unsigned section_line,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata) {
- Tunnel *t = userdata;
- union in_addr_union *addr = data, buffer;
- int r, f;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(data);
-
- r = in_addr_from_string_auto(rvalue, &f, &buffer);
- if (r < 0) {
- log_syntax(unit, LOG_ERR, filename, line, EINVAL, "Tunnel address is invalid, ignoring assignment: %s", rvalue);
- return 0;
- }
-
- if (t->family != AF_UNSPEC && t->family != f) {
- log_syntax(unit, LOG_ERR, filename, line, EINVAL, "Tunnel addresses incompatible, ignoring assignment: %s", rvalue);
- return 0;
- }
-
- t->family = f;
- *addr = buffer;
-
- return 0;
-}
-
-static void ipip_init(NetDev *n) {
- Tunnel *t = IPIP(n);
-
- assert(n);
- assert(t);
-
- t->pmtudisc = true;
-}
-
-static void sit_init(NetDev *n) {
- Tunnel *t = SIT(n);
-
- assert(n);
- assert(t);
-
- t->pmtudisc = true;
-}
-
-static void vti_init(NetDev *n) {
- Tunnel *t = VTI(n);
-
- assert(n);
- assert(t);
-
- t->pmtudisc = true;
-}
-
-static void gre_init(NetDev *n) {
- Tunnel *t;
-
- assert(n);
-
- if (n->kind == NETDEV_KIND_GRE)
- t = GRE(n);
- else
- t = GRETAP(n);
-
- assert(t);
-
- t->pmtudisc = true;
-}
-
-static void ip6gre_init(NetDev *n) {
- Tunnel *t;
-
- assert(n);
-
- if (n->kind == NETDEV_KIND_IP6GRE)
- t = IP6GRE(n);
- else
- t = IP6GRETAP(n);
-
- assert(t);
-
- t->ttl = DEFAULT_TNL_HOP_LIMIT;
-}
-
-static void ip6tnl_init(NetDev *n) {
- Tunnel *t = IP6TNL(n);
-
- assert(n);
- assert(t);
-
- t->ttl = DEFAULT_TNL_HOP_LIMIT;
- t->encap_limit = IPV6_DEFAULT_TNL_ENCAP_LIMIT;
- t->ip6tnl_mode = _NETDEV_IP6_TNL_MODE_INVALID;
-}
-
-const NetDevVTable ipip_vtable = {
- .object_size = sizeof(Tunnel),
- .init = ipip_init,
- .sections = "Match\0NetDev\0Tunnel\0",
- .fill_message_create = netdev_ipip_fill_message_create,
- .create_type = NETDEV_CREATE_STACKED,
- .config_verify = netdev_tunnel_verify,
-};
-
-const NetDevVTable sit_vtable = {
- .object_size = sizeof(Tunnel),
- .init = sit_init,
- .sections = "Match\0NetDev\0Tunnel\0",
- .fill_message_create = netdev_sit_fill_message_create,
- .create_type = NETDEV_CREATE_STACKED,
- .config_verify = netdev_tunnel_verify,
-};
-
-const NetDevVTable vti_vtable = {
- .object_size = sizeof(Tunnel),
- .init = vti_init,
- .sections = "Match\0NetDev\0Tunnel\0",
- .fill_message_create = netdev_vti_fill_message_create,
- .create_type = NETDEV_CREATE_STACKED,
- .config_verify = netdev_tunnel_verify,
-};
-
-const NetDevVTable gre_vtable = {
- .object_size = sizeof(Tunnel),
- .init = gre_init,
- .sections = "Match\0NetDev\0Tunnel\0",
- .fill_message_create = netdev_gre_fill_message_create,
- .create_type = NETDEV_CREATE_STACKED,
- .config_verify = netdev_tunnel_verify,
-};
-
-const NetDevVTable gretap_vtable = {
- .object_size = sizeof(Tunnel),
- .init = gre_init,
- .sections = "Match\0NetDev\0Tunnel\0",
- .fill_message_create = netdev_gre_fill_message_create,
- .create_type = NETDEV_CREATE_STACKED,
- .config_verify = netdev_tunnel_verify,
-};
-
-const NetDevVTable ip6gre_vtable = {
- .object_size = sizeof(Tunnel),
- .init = ip6gre_init,
- .sections = "Match\0NetDev\0Tunnel\0",
- .fill_message_create = netdev_ip6gre_fill_message_create,
- .create_type = NETDEV_CREATE_STACKED,
- .config_verify = netdev_tunnel_verify,
-};
-
-const NetDevVTable ip6gretap_vtable = {
- .object_size = sizeof(Tunnel),
- .init = ip6gre_init,
- .sections = "Match\0NetDev\0Tunnel\0",
- .fill_message_create = netdev_ip6gre_fill_message_create,
- .create_type = NETDEV_CREATE_STACKED,
- .config_verify = netdev_tunnel_verify,
-};
-
-const NetDevVTable ip6tnl_vtable = {
- .object_size = sizeof(Tunnel),
- .init = ip6tnl_init,
- .sections = "Match\0NetDev\0Tunnel\0",
- .fill_message_create = netdev_ip6tnl_fill_message_create,
- .create_type = NETDEV_CREATE_STACKED,
- .config_verify = netdev_tunnel_verify,
-};
+++ /dev/null
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- This file is part of systemd.
-
- Copyright 2014 Tom Gundersen <teg@jklm.no>
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#pragma once
-
-typedef struct Tunnel Tunnel;
-
-#include "networkd-netdev.h"
-
-typedef enum Ip6TnlMode {
- NETDEV_IP6_TNL_MODE_IP6IP6,
- NETDEV_IP6_TNL_MODE_IPIP6,
- NETDEV_IP6_TNL_MODE_ANYIP6,
- _NETDEV_IP6_TNL_MODE_MAX,
- _NETDEV_IP6_TNL_MODE_INVALID = -1,
-} Ip6TnlMode;
-
-struct Tunnel {
- NetDev meta;
-
- uint8_t encap_limit;
-
- int family;
-
- unsigned ttl;
- unsigned tos;
- unsigned flags;
-
- union in_addr_union local;
- union in_addr_union remote;
-
- Ip6TnlMode ip6tnl_mode;
-
- bool pmtudisc;
-};
-
-extern const NetDevVTable ipip_vtable;
-extern const NetDevVTable sit_vtable;
-extern const NetDevVTable vti_vtable;
-extern const NetDevVTable gre_vtable;
-extern const NetDevVTable gretap_vtable;
-extern const NetDevVTable ip6gre_vtable;
-extern const NetDevVTable ip6gretap_vtable;
-extern const NetDevVTable ip6tnl_vtable;
-
-const char *ip6tnl_mode_to_string(Ip6TnlMode d) _const_;
-Ip6TnlMode ip6tnl_mode_from_string(const char *d) _pure_;
-
-int config_parse_ip6tnl_mode(const char *unit, const char *filename,
- unsigned line, const char *section,
- unsigned section_line, const char *lvalue,
- int ltype, const char *rvalue, void *data,
- void *userdata);
+++ /dev/null
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- This file is part of systemd.
-
- Copyright 2014 Susant Sahani <susant@redhat.com>
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include <sys/ioctl.h>
-#include <net/if.h>
-#include <linux/if_tun.h>
-
-#include "networkd-netdev-tuntap.h"
-
-#define TUN_DEV "/dev/net/tun"
-
-static int netdev_fill_tuntap_message(NetDev *netdev, struct ifreq *ifr) {
- TunTap *t;
-
- assert(netdev);
- assert(netdev->ifname);
- assert(ifr);
-
- if (netdev->kind == NETDEV_KIND_TAP) {
- t = TAP(netdev);
- ifr->ifr_flags |= IFF_TAP;
- } else {
- t = TUN(netdev);
- ifr->ifr_flags |= IFF_TUN;
- }
-
- if (!t->packet_info)
- ifr->ifr_flags |= IFF_NO_PI;
-
- if (t->one_queue)
- ifr->ifr_flags |= IFF_ONE_QUEUE;
-
- if (t->multi_queue)
- ifr->ifr_flags |= IFF_MULTI_QUEUE;
-
- strncpy(ifr->ifr_name, netdev->ifname, IFNAMSIZ-1);
-
- return 0;
-}
-
-static int netdev_tuntap_add(NetDev *netdev, struct ifreq *ifr) {
- _cleanup_close_ int fd;
- TunTap *t = NULL;
- const char *user;
- const char *group;
- uid_t uid;
- gid_t gid;
- int r;
-
- assert(netdev);
- assert(ifr);
-
- fd = open(TUN_DEV, O_RDWR);
- if (fd < 0) {
- log_netdev_error(netdev, "Failed to open tun dev: %m");
- return -errno;
- }
-
- r = ioctl(fd, TUNSETIFF, ifr);
- if (r < 0) {
- log_netdev_error(netdev,
- "TUNSETIFF failed on tun dev: %s",
- strerror(-r));
- return r;
- }
-
- if (netdev->kind == NETDEV_KIND_TAP)
- t = TAP(netdev);
- else
- t = TUN(netdev);
-
- assert(t);
-
- if(t->user_name) {
-
- user = t->user_name;
-
- r = get_user_creds(&user, &uid, NULL, NULL, NULL);
- if (r < 0) {
- log_error_errno(r, "Cannot resolve user name %s: %m",
- t->user_name);
- return 0;
- }
-
- r = ioctl(fd, TUNSETOWNER, uid);
- if ( r < 0) {
- log_netdev_error(netdev,
- "TUNSETOWNER failed on tun dev: %s",
- strerror(-r));
- }
- }
-
- if(t->group_name) {
-
- group = t->group_name;
-
- r = get_group_creds(&group, &gid);
- if (r < 0) {
- log_error_errno(r, "Cannot resolve group name %s: %m",
- t->group_name);
- return 0;
- }
-
- r = ioctl(fd, TUNSETGROUP, gid);
- if( r < 0) {
- log_netdev_error(netdev,
- "TUNSETGROUP failed on tun dev: %s",
- strerror(-r));
- return r;
- }
-
- }
-
- r = ioctl(fd, TUNSETPERSIST, 1);
- if (r < 0) {
- log_netdev_error(netdev,
- "TUNSETPERSIST failed on tun dev: %s",
- strerror(-r));
- return r;
- }
-
- return 0;
-}
-
-static int netdev_create_tuntap(NetDev *netdev) {
- struct ifreq ifr = {};
- int r;
-
- r = netdev_fill_tuntap_message(netdev, &ifr);
- if(r < 0)
- return r;
-
- return netdev_tuntap_add(netdev, &ifr);
-}
-
-static void tuntap_done(NetDev *netdev) {
- TunTap *t = NULL;
-
- assert(netdev);
-
- if (netdev->kind == NETDEV_KIND_TUN)
- t = TUN(netdev);
- else
- t = TAP(netdev);
-
- assert(t);
-
- free(t->user_name);
- t->user_name = NULL;
-
- free(t->group_name);
- t->group_name = NULL;
-}
-
-static int tuntap_verify(NetDev *netdev, const char *filename) {
- assert(netdev);
-
- if (netdev->mtu) {
- log_warning_netdev(netdev, "MTU configured for %s, ignoring",
- netdev_kind_to_string(netdev->kind));
- }
-
- if (netdev->mac) {
- log_warning_netdev(netdev, "MAC configured for %s, ignoring",
- netdev_kind_to_string(netdev->kind));
- }
-
- return 0;
-}
-
-const NetDevVTable tun_vtable = {
- .object_size = sizeof(TunTap),
- .sections = "Match\0NetDev\0Tun\0",
- .config_verify = tuntap_verify,
- .done = tuntap_done,
- .create = netdev_create_tuntap,
- .create_type = NETDEV_CREATE_INDEPENDENT,
-};
-
-const NetDevVTable tap_vtable = {
- .object_size = sizeof(TunTap),
- .sections = "Match\0NetDev\0Tap\0",
- .config_verify = tuntap_verify,
- .done = tuntap_done,
- .create = netdev_create_tuntap,
- .create_type = NETDEV_CREATE_INDEPENDENT,
-};
+++ /dev/null
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- This file is part of systemd.
-
- Copyright 2014 Tom Gundersen <teg@jklm.no>
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#pragma once
-
-typedef struct TunTap TunTap;
-
-#include "networkd-netdev.h"
-
-struct TunTap {
- NetDev meta;
-
- char *user_name;
- char *group_name;
- bool one_queue;
- bool multi_queue;
- bool packet_info;
-};
-
-extern const NetDevVTable tun_vtable;
-extern const NetDevVTable tap_vtable;
+++ /dev/null
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- This file is part of systemd.
-
- Copyright 2014 Susant Sahani <susant@redhat.com>
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include <net/if.h>
-#include <linux/veth.h>
-
-#include "sd-rtnl.h"
-#include "networkd-netdev-veth.h"
-
-static int netdev_veth_fill_message_create(NetDev *netdev, Link *link, sd_rtnl_message *m) {
- Veth *v = VETH(netdev);
- int r;
-
- assert(netdev);
- assert(!link);
- assert(v);
- assert(m);
-
- r = sd_rtnl_message_open_container(m, VETH_INFO_PEER);
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not append VETH_INFO_PEER attribute: %s",
- strerror(-r));
- return r;
- }
-
- if (v->ifname_peer) {
- r = sd_rtnl_message_append_string(m, IFLA_IFNAME, v->ifname_peer);
- if (r < 0)
- return log_error_errno(r, "Failed to add netlink interface name: %m");
- }
-
- if (v->mac_peer) {
- r = sd_rtnl_message_append_ether_addr(m, IFLA_ADDRESS, v->mac_peer);
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not append IFLA_ADDRESS attribute: %s",
- strerror(-r));
- return r;
- }
- }
-
- r = sd_rtnl_message_close_container(m);
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not append IFLA_INFO_DATA attribute: %s",
- strerror(-r));
- return r;
- }
-
- return r;
-}
-
-static int netdev_veth_verify(NetDev *netdev, const char *filename) {
- Veth *v = VETH(netdev);
- int r;
-
- assert(netdev);
- assert(v);
- assert(filename);
-
- if (!v->ifname_peer) {
- log_warning("Veth NetDev without peer name configured in %s. Ignoring",
- filename);
- return -EINVAL;
- }
-
- if (!v->mac_peer) {
- r = netdev_get_mac(v->ifname_peer, &v->mac_peer);
- if (r < 0) {
- log_warning("Failed to generate predictable MAC address for %s. Ignoring",
- v->ifname_peer);
- return -EINVAL;
- }
- }
-
- return 0;
-}
-
-static void veth_done(NetDev *n) {
- Veth *v = VETH(n);
-
- assert(n);
- assert(v);
-
- free(v->ifname_peer);
- free(v->mac_peer);
-}
-
-const NetDevVTable veth_vtable = {
- .object_size = sizeof(Veth),
- .sections = "Match\0NetDev\0Peer\0",
- .done = veth_done,
- .fill_message_create = netdev_veth_fill_message_create,
- .create_type = NETDEV_CREATE_INDEPENDENT,
- .config_verify = netdev_veth_verify,
-};
+++ /dev/null
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- This file is part of systemd.
-
- Copyright 2014 Tom Gundersen <teg@jklm.no>
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#pragma once
-
-typedef struct Veth Veth;
-
-#include "networkd-netdev.h"
-
-struct Veth {
- NetDev meta;
-
- char *ifname_peer;
- struct ether_addr *mac_peer;
-};
-
-extern const NetDevVTable veth_vtable;
+++ /dev/null
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- This file is part of systemd.
-
- Copyright 2013 Tom Gundersen <teg@jklm.no>
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include <net/if.h>
-
-#include "networkd-netdev-vlan.h"
-
-static int netdev_vlan_fill_message_create(NetDev *netdev, Link *link, sd_rtnl_message *req) {
- VLan *v = VLAN(netdev);
- int r;
-
- assert(netdev);
- assert(v);
- assert(link);
- assert(req);
-
- if (v->id <= VLANID_MAX) {
- r = sd_rtnl_message_append_u16(req, IFLA_VLAN_ID, v->id);
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not append IFLA_VLAN_ID attribute: %s",
- strerror(-r));
- return r;
- }
- }
-
- return 0;
-}
-
-static int netdev_vlan_verify(NetDev *netdev, const char *filename) {
- VLan *v = VLAN(netdev);
-
- assert(netdev);
- assert(v);
- assert(filename);
-
- if (v->id > VLANID_MAX) {
- log_warning("VLAN without valid Id (%"PRIu64") configured in %s. Ignoring", v->id, filename);
- return -EINVAL;
- }
-
- return 0;
-}
-
-static void vlan_init(NetDev *netdev) {
- VLan *v = VLAN(netdev);
-
- assert(netdev);
- assert(v);
-
- v->id = VLANID_MAX + 1;
-}
-
-const NetDevVTable vlan_vtable = {
- .object_size = sizeof(VLan),
- .init = vlan_init,
- .sections = "Match\0NetDev\0VLAN\0",
- .fill_message_create = netdev_vlan_fill_message_create,
- .create_type = NETDEV_CREATE_STACKED,
- .config_verify = netdev_vlan_verify,
-};
+++ /dev/null
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- This file is part of systemd.
-
- Copyright 2014 Tom Gundersen <teg@jklm.no>
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#pragma once
-
-typedef struct VLan VLan;
-
-#include "networkd-netdev.h"
-
-#define VLANID_MAX 4094
-
-struct VLan {
- NetDev meta;
-
- uint64_t id;
-};
-
-extern const NetDevVTable vlan_vtable;
+++ /dev/null
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- This file is part of systemd.
-
- Copyright 2014 Susant Sahani <susant@redhat.com>
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include <net/if.h>
-
-#include "sd-rtnl.h"
-#include "networkd-netdev-vxlan.h"
-#include "networkd-link.h"
-#include "conf-parser.h"
-#include "missing.h"
-
-static int netdev_vxlan_fill_message_create(NetDev *netdev, Link *link, sd_rtnl_message *m) {
- VxLan *v = VXLAN(netdev);
- int r;
-
- assert(netdev);
- assert(v);
- assert(link);
- assert(m);
-
-
- if (v->id <= VXLAN_VID_MAX) {
- r = sd_rtnl_message_append_u32(m, IFLA_VXLAN_ID, v->id);
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not append IFLA_VXLAN_ID attribute: %s",
- strerror(-r));
- return r;
- }
- }
-
- r = sd_rtnl_message_append_in_addr(m, IFLA_VXLAN_GROUP, &v->group.in);
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not append IFLA_VXLAN_GROUP attribute: %s",
- strerror(-r));
- return r;
- }
-
- r = sd_rtnl_message_append_u32(m, IFLA_VXLAN_LINK, link->ifindex);
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not append IFLA_VXLAN_LINK attribute: %s",
- strerror(-r));
- return r;
- }
-
- if(v->ttl) {
- r = sd_rtnl_message_append_u8(m, IFLA_VXLAN_TTL, v->ttl);
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not append IFLA_VXLAN_TTL attribute: %s",
- strerror(-r));
- return r;
- }
- }
-
- if(v->tos) {
- r = sd_rtnl_message_append_u8(m, IFLA_VXLAN_TOS, v->tos);
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not append IFLA_VXLAN_TOS attribute: %s",
- strerror(-r));
- return r;
- }
- }
-
- r = sd_rtnl_message_append_u8(m, IFLA_VXLAN_LEARNING, v->learning);
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not append IFLA_VXLAN_LEARNING attribute: %s",
- strerror(-r));
- return r;
- }
-
- r = sd_rtnl_message_append_u8(m, IFLA_VXLAN_RSC, v->route_short_circuit);
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not append IFLA_VXLAN_RSC attribute: %s",
- strerror(-r));
- return r;
- }
-
- r = sd_rtnl_message_append_u8(m, IFLA_VXLAN_PROXY, v->arp_proxy);
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not append IFLA_VXLAN_PROXY attribute: %s",
- strerror(-r));
- return r;
- }
-
- r = sd_rtnl_message_append_u8(m, IFLA_VXLAN_L2MISS, v->l2miss);
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not append IFLA_VXLAN_L2MISS attribute: %s",
- strerror(-r));
- return r;
- }
-
- r = sd_rtnl_message_append_u8(m, IFLA_VXLAN_L3MISS, v->l3miss);
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not append IFLA_VXLAN_L3MISS attribute: %s",
- strerror(-r));
- return r;
- }
-
- if(v->fdb_ageing) {
- r = sd_rtnl_message_append_u32(m, IFLA_VXLAN_AGEING, v->fdb_ageing / USEC_PER_SEC);
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not append IFLA_VXLAN_AGEING attribute: %s",
- strerror(-r));
- return r;
- }
- }
-
- return r;
-}
-
-int config_parse_vxlan_group_address(const char *unit,
- const char *filename,
- unsigned line,
- const char *section,
- unsigned section_line,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata) {
- VxLan *v = userdata;
- union in_addr_union *addr = data, buffer;
- int r, f;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(data);
-
- r = in_addr_from_string_auto(rvalue, &f, &buffer);
- if (r < 0) {
- log_syntax(unit, LOG_ERR, filename, line, EINVAL,
- "vxlan multicast group address is invalid, ignoring assignment: %s", rvalue);
- return 0;
- }
-
- if(v->family != AF_UNSPEC && v->family != f) {
- log_syntax(unit, LOG_ERR, filename, line, EINVAL,
- "vxlan multicast group incompatible, ignoring assignment: %s", rvalue);
- return 0;
- }
-
- v->family = f;
- *addr = buffer;
-
- return 0;
-}
-
-static int netdev_vxlan_verify(NetDev *netdev, const char *filename) {
- VxLan *v = VXLAN(netdev);
-
- assert(netdev);
- assert(v);
- assert(filename);
-
- if (v->id > VXLAN_VID_MAX) {
- log_warning("VXLAN without valid Id configured in %s. Ignoring", filename);
- return -EINVAL;
- }
-
- return 0;
-}
-
-static void vxlan_init(NetDev *netdev) {
- VxLan *v = VXLAN(netdev);
-
- assert(netdev);
- assert(v);
-
- v->id = VXLAN_VID_MAX + 1;
- v->learning = true;
-}
-
-const NetDevVTable vxlan_vtable = {
- .object_size = sizeof(VxLan),
- .init = vxlan_init,
- .sections = "Match\0NetDev\0VXLAN\0",
- .fill_message_create = netdev_vxlan_fill_message_create,
- .create_type = NETDEV_CREATE_STACKED,
- .config_verify = netdev_vxlan_verify,
-};
+++ /dev/null
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- This file is part of systemd.
-
- Copyright 2014 Tom Gundersen <teg@jklm.no>
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#pragma once
-
-typedef struct VxLan VxLan;
-
-#include "networkd-netdev.h"
-
-#include "in-addr-util.h"
-
-#define VXLAN_VID_MAX (1u << 24) - 1
-
-struct VxLan {
- NetDev meta;
-
- uint64_t id;
-
- int family;
- union in_addr_union group;
-
- unsigned tos;
- unsigned ttl;
-
- usec_t fdb_ageing;
-
- bool learning;
- bool arp_proxy;
- bool route_short_circuit;
- bool l2miss;
- bool l3miss;
-};
-
-extern const NetDevVTable vxlan_vtable;
+++ /dev/null
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- This file is part of systemd.
-
- Copyright 2013 Tom Gundersen <teg@jklm.no>
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include <net/if.h>
-
-#include "networkd-netdev.h"
-#include "networkd-link.h"
-#include "network-internal.h"
-#include "conf-files.h"
-#include "conf-parser.h"
-#include "list.h"
-#include "siphash24.h"
-
-const NetDevVTable * const netdev_vtable[_NETDEV_KIND_MAX] = {
- [NETDEV_KIND_BRIDGE] = &bridge_vtable,
- [NETDEV_KIND_BOND] = &bond_vtable,
- [NETDEV_KIND_VLAN] = &vlan_vtable,
- [NETDEV_KIND_MACVLAN] = &macvlan_vtable,
- [NETDEV_KIND_IPVLAN] = &ipvlan_vtable,
- [NETDEV_KIND_VXLAN] = &vxlan_vtable,
- [NETDEV_KIND_IPIP] = &ipip_vtable,
- [NETDEV_KIND_GRE] = &gre_vtable,
- [NETDEV_KIND_GRETAP] = &gretap_vtable,
- [NETDEV_KIND_IP6GRE] = &ip6gre_vtable,
- [NETDEV_KIND_IP6GRETAP] = &ip6gretap_vtable,
- [NETDEV_KIND_SIT] = &sit_vtable,
- [NETDEV_KIND_VTI] = &vti_vtable,
- [NETDEV_KIND_VETH] = &veth_vtable,
- [NETDEV_KIND_DUMMY] = &dummy_vtable,
- [NETDEV_KIND_TUN] = &tun_vtable,
- [NETDEV_KIND_TAP] = &tap_vtable,
- [NETDEV_KIND_IP6TNL] = &ip6tnl_vtable,
-};
-
-static const char* const netdev_kind_table[_NETDEV_KIND_MAX] = {
- [NETDEV_KIND_BRIDGE] = "bridge",
- [NETDEV_KIND_BOND] = "bond",
- [NETDEV_KIND_VLAN] = "vlan",
- [NETDEV_KIND_MACVLAN] = "macvlan",
- [NETDEV_KIND_IPVLAN] = "ipvlan",
- [NETDEV_KIND_VXLAN] = "vxlan",
- [NETDEV_KIND_IPIP] = "ipip",
- [NETDEV_KIND_GRE] = "gre",
- [NETDEV_KIND_GRETAP] = "gretap",
- [NETDEV_KIND_IP6GRE] = "ip6gre",
- [NETDEV_KIND_IP6GRETAP] = "ip6gretap",
- [NETDEV_KIND_SIT] = "sit",
- [NETDEV_KIND_VETH] = "veth",
- [NETDEV_KIND_VTI] = "vti",
- [NETDEV_KIND_DUMMY] = "dummy",
- [NETDEV_KIND_TUN] = "tun",
- [NETDEV_KIND_TAP] = "tap",
- [NETDEV_KIND_IP6TNL] = "ip6tnl",
-};
-
-DEFINE_STRING_TABLE_LOOKUP(netdev_kind, NetDevKind);
-DEFINE_CONFIG_PARSE_ENUM(config_parse_netdev_kind, netdev_kind, NetDevKind, "Failed to parse netdev kind");
-
-static void netdev_cancel_callbacks(NetDev *netdev) {
- _cleanup_rtnl_message_unref_ sd_rtnl_message *m = NULL;
- netdev_join_callback *callback;
-
- if (!netdev)
- return;
-
- rtnl_message_new_synthetic_error(-ENODEV, 0, &m);
-
- while ((callback = netdev->callbacks)) {
- if (m) {
- assert(callback->link);
- assert(callback->callback);
- assert(netdev->manager);
- assert(netdev->manager->rtnl);
-
- callback->callback(netdev->manager->rtnl, m, link);
- }
-
- LIST_REMOVE(callbacks, netdev->callbacks, callback);
- free(callback);
- }
-}
-
-static void netdev_free(NetDev *netdev) {
- if (!netdev)
- return;
-
- netdev_cancel_callbacks(netdev);
-
- if (netdev->ifname)
- hashmap_remove(netdev->manager->netdevs, netdev->ifname);
-
- free(netdev->filename);
-
- free(netdev->description);
- free(netdev->ifname);
- free(netdev->mac);
-
- condition_free_list(netdev->match_host);
- condition_free_list(netdev->match_virt);
- condition_free_list(netdev->match_kernel);
- condition_free_list(netdev->match_arch);
-
- if (NETDEV_VTABLE(netdev) &&
- NETDEV_VTABLE(netdev)->done)
- NETDEV_VTABLE(netdev)->done(netdev);
-
- free(netdev);
-}
-
-NetDev *netdev_unref(NetDev *netdev) {
- if (netdev && (-- netdev->n_ref <= 0))
- netdev_free(netdev);
-
- return NULL;
-}
-
-NetDev *netdev_ref(NetDev *netdev) {
- if (netdev)
- assert_se(++ netdev->n_ref >= 2);
-
- return netdev;
-}
-
-void netdev_drop(NetDev *netdev) {
- if (!netdev || netdev->state == NETDEV_STATE_LINGER)
- return;
-
- netdev->state = NETDEV_STATE_LINGER;
-
- log_netdev_debug(netdev, "netdev removed");
-
- netdev_cancel_callbacks(netdev);
-
- netdev_unref(netdev);
-
- return;
-}
-
-int netdev_get(Manager *manager, const char *name, NetDev **ret) {
- NetDev *netdev;
-
- assert(manager);
- assert(name);
- assert(ret);
-
- netdev = hashmap_get(manager->netdevs, name);
- if (!netdev) {
- *ret = NULL;
- return -ENOENT;
- }
-
- *ret = netdev;
-
- return 0;
-}
-
-static int netdev_enter_failed(NetDev *netdev) {
- netdev->state = NETDEV_STATE_FAILED;
-
- return 0;
-}
-
-static int netdev_enslave_ready(NetDev *netdev, Link* link, sd_rtnl_message_handler_t callback) {
- _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL;
- int r;
-
- assert(netdev);
- assert(netdev->state == NETDEV_STATE_READY);
- assert(netdev->manager);
- assert(netdev->manager->rtnl);
- assert(IN_SET(netdev->kind, NETDEV_KIND_BRIDGE, NETDEV_KIND_BOND));
- assert(link);
- assert(callback);
-
- r = sd_rtnl_message_new_link(netdev->manager->rtnl, &req,
- RTM_SETLINK, link->ifindex);
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not allocate RTM_SETLINK message: %s",
- strerror(-r));
- return r;
- }
-
- r = sd_rtnl_message_append_u32(req, IFLA_MASTER, netdev->ifindex);
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not append IFLA_MASTER attribute: %s",
- strerror(-r));
- return r;
- }
-
- r = sd_rtnl_call_async(netdev->manager->rtnl, req, callback, link, 0, NULL);
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not send rtnetlink message: %s",
- strerror(-r));
- return r;
- }
-
- link_ref(link);
-
- log_netdev_debug(netdev, "enslaving link '%s'", link->ifname);
-
- return 0;
-}
-
-static int netdev_enter_ready(NetDev *netdev) {
- netdev_join_callback *callback, *callback_next;
- int r;
-
- assert(netdev);
- assert(netdev->ifname);
-
- if (netdev->state != NETDEV_STATE_CREATING)
- return 0;
-
- netdev->state = NETDEV_STATE_READY;
-
- log_info_netdev(netdev, "netdev ready");
-
- LIST_FOREACH_SAFE(callbacks, callback, callback_next, netdev->callbacks) {
- /* enslave the links that were attempted to be enslaved before the
- * link was ready */
- r = netdev_enslave_ready(netdev, callback->link, callback->callback);
- if (r < 0)
- return r;
-
- LIST_REMOVE(callbacks, netdev->callbacks, callback);
- link_unref(callback->link);
- free(callback);
- }
-
- return 0;
-}
-
-/* callback for netdev's created without a backing Link */
-static int netdev_create_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {
- _cleanup_netdev_unref_ NetDev *netdev = userdata;
- int r;
-
- assert(netdev->state != _NETDEV_STATE_INVALID);
-
- r = sd_rtnl_message_get_errno(m);
- if (r == -EEXIST)
- log_info_netdev(netdev, "netdev exists, using existing without changing its parameters");
- else if (r < 0) {
- log_warning_netdev(netdev, "netdev could not be created: %s", strerror(-r));
- netdev_drop(netdev);
-
- return 1;
- }
-
- log_netdev_debug(netdev, "created");
-
- return 1;
-}
-
-int netdev_enslave(NetDev *netdev, Link *link, sd_rtnl_message_handler_t callback) {
- int r;
-
- assert(netdev);
- assert(IN_SET(netdev->kind, NETDEV_KIND_BRIDGE, NETDEV_KIND_BOND));
-
- if (netdev->state == NETDEV_STATE_READY) {
- r = netdev_enslave_ready(netdev, link, callback);
- if (r < 0)
- return r;
- } else {
- /* the netdev is not yet read, save this request for when it is */
- netdev_join_callback *cb;
-
- cb = new0(netdev_join_callback, 1);
- if (!cb)
- return log_oom();
-
- cb->callback = callback;
- cb->link = link;
- link_ref(link);
-
- LIST_PREPEND(callbacks, netdev->callbacks, cb);
-
- log_netdev_debug(netdev, "will enslave '%s', when reday",
- link->ifname);
- }
-
- return 0;
-}
-
-int netdev_set_ifindex(NetDev *netdev, sd_rtnl_message *message) {
- uint16_t type;
- const char *kind;
- const char *received_kind;
- const char *received_name;
- int r, ifindex;
-
- assert(netdev);
- assert(message);
-
- r = sd_rtnl_message_get_type(message, &type);
- if (r < 0) {
- log_netdev_error(netdev, "Could not get rtnl message type");
- return r;
- }
-
- if (type != RTM_NEWLINK) {
- log_netdev_error(netdev, "Can not set ifindex from unexpected rtnl message type");
- return -EINVAL;
- }
-
- r = sd_rtnl_message_link_get_ifindex(message, &ifindex);
- if (r < 0) {
- log_netdev_error(netdev, "Could not get ifindex: %s", strerror(-r));
- netdev_enter_failed(netdev);
- return r;
- } else if (ifindex <= 0) {
- log_netdev_error(netdev, "Got invalid ifindex: %d", ifindex);
- netdev_enter_failed(netdev);
- return r;
- }
-
- if (netdev->ifindex > 0) {
- if (netdev->ifindex != ifindex) {
- log_netdev_error(netdev, "Could not set ifindex to %d, already set to %d",
- ifindex, netdev->ifindex);
- netdev_enter_failed(netdev);
- return -EEXIST;
- } else
- /* ifindex already set to the same for this netdev */
- return 0;
- }
-
- r = sd_rtnl_message_read_string(message, IFLA_IFNAME, &received_name);
- if (r < 0) {
- log_netdev_error(netdev, "Could not get IFNAME");
- return r;
- }
-
- if (!streq(netdev->ifname, received_name)) {
- log_netdev_error(netdev, "Received newlink with wrong IFNAME %s",
- received_name);
- netdev_enter_failed(netdev);
- return r;
- }
-
- r = sd_rtnl_message_enter_container(message, IFLA_LINKINFO);
- if (r < 0) {
- log_netdev_error(netdev, "Could not get LINKINFO");
- return r;
- }
-
- r = sd_rtnl_message_read_string(message, IFLA_INFO_KIND, &received_kind);
- if (r < 0) {
- log_netdev_error(netdev, "Could not get KIND");
- return r;
- }
-
- r = sd_rtnl_message_exit_container(message);
- if (r < 0) {
- log_netdev_error(netdev, "Could not exit container");
- return r;
- }
-
- if (netdev->kind == NETDEV_KIND_TAP)
- /* the kernel does not distinguish between tun and tap */
- kind = "tun";
- else {
- kind = netdev_kind_to_string(netdev->kind);
- if (!kind) {
- log_netdev_error(netdev, "Could not get kind");
- netdev_enter_failed(netdev);
- return -EINVAL;
- }
- }
-
- if (!streq(kind, received_kind)) {
- log_netdev_error(netdev,
- "Received newlink with wrong KIND %s, "
- "expected %s", received_kind, kind);
- netdev_enter_failed(netdev);
- return r;
- }
-
- netdev->ifindex = ifindex;
-
- log_netdev_debug(netdev, "netdev has index %d", netdev->ifindex);
-
- netdev_enter_ready(netdev);
-
- return 0;
-}
-
-#define HASH_KEY SD_ID128_MAKE(52,e1,45,bd,00,6f,29,96,21,c6,30,6d,83,71,04,48)
-
-int netdev_get_mac(const char *ifname, struct ether_addr **ret) {
- _cleanup_free_ struct ether_addr *mac = NULL;
- uint8_t result[8];
- size_t l, sz;
- uint8_t *v;
- int r;
-
- assert(ifname);
- assert(ret);
-
- mac = new0(struct ether_addr, 1);
- if (!mac)
- return -ENOMEM;
-
- l = strlen(ifname);
- sz = sizeof(sd_id128_t) + l;
- v = alloca(sz);
-
- /* fetch some persistent data unique to the machine */
- r = sd_id128_get_machine((sd_id128_t*) v);
- if (r < 0)
- return r;
-
- /* combine with some data unique (on this machine) to this
- * netdev */
- memcpy(v + sizeof(sd_id128_t), ifname, l);
-
- /* Let's hash the host machine ID plus the container name. We
- * use a fixed, but originally randomly created hash key here. */
- siphash24(result, v, sz, HASH_KEY.bytes);
-
- assert_cc(ETH_ALEN <= sizeof(result));
- memcpy(mac->ether_addr_octet, result, ETH_ALEN);
-
- /* see eth_random_addr in the kernel */
- mac->ether_addr_octet[0] &= 0xfe; /* clear multicast bit */
- mac->ether_addr_octet[0] |= 0x02; /* set local assignment bit (IEEE802) */
-
- *ret = mac;
- mac = NULL;
-
- return 0;
-}
-
-static int netdev_create(NetDev *netdev, Link *link,
- sd_rtnl_message_handler_t callback) {
- int r;
-
- assert(netdev);
- assert(!link || callback);
-
- /* create netdev */
- if (NETDEV_VTABLE(netdev)->create) {
- assert(!link);
-
- r = NETDEV_VTABLE(netdev)->create(netdev);
- if (r < 0)
- return r;
-
- log_netdev_debug(netdev, "created");
- } else {
- _cleanup_rtnl_message_unref_ sd_rtnl_message *m = NULL;
-
- r = sd_rtnl_message_new_link(netdev->manager->rtnl, &m, RTM_NEWLINK, 0);
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not allocate RTM_NEWLINK message: %s",
- strerror(-r));
- return r;
- }
-
- r = sd_rtnl_message_append_string(m, IFLA_IFNAME, netdev->ifname);
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not append IFLA_IFNAME, attribute: %s",
- strerror(-r));
- return r;
- }
-
- if (netdev->mac) {
- r = sd_rtnl_message_append_ether_addr(m, IFLA_ADDRESS, netdev->mac);
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not append IFLA_ADDRESS attribute: %s",
- strerror(-r));
- return r;
- }
- }
-
- if (netdev->mtu) {
- r = sd_rtnl_message_append_u32(m, IFLA_MTU, netdev->mtu);
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not append IFLA_MTU attribute: %s",
- strerror(-r));
- return r;
- }
- }
-
- if (link) {
- r = sd_rtnl_message_append_u32(m, IFLA_LINK, link->ifindex);
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not append IFLA_LINK attribute: %s",
- strerror(-r));
- return r;
- }
- }
-
- r = sd_rtnl_message_open_container(m, IFLA_LINKINFO);
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not append IFLA_LINKINFO attribute: %s",
- strerror(-r));
- return r;
- }
-
- r = sd_rtnl_message_open_container_union(m, IFLA_INFO_DATA,
- netdev_kind_to_string(netdev->kind));
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not append IFLA_INFO_DATA attribute: %s",
- strerror(-r));
- return r;
- }
-
- if (NETDEV_VTABLE(netdev)->fill_message_create) {
- r = NETDEV_VTABLE(netdev)->fill_message_create(netdev, link, m);
- if (r < 0)
- return r;
- }
-
- r = sd_rtnl_message_close_container(m);
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not append IFLA_LINKINFO attribute: %s",
- strerror(-r));
- return r;
- }
-
- r = sd_rtnl_message_close_container(m);
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not append IFLA_LINKINFO attribute: %s",
- strerror(-r));
- return r;
- }
-
-
- if (link) {
- r = sd_rtnl_call_async(netdev->manager->rtnl, m,
- callback, link, 0, NULL);
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not send rtnetlink message: %s",
- strerror(-r));
- return r;
- }
-
- link_ref(link);
- } else {
- r = sd_rtnl_call_async(netdev->manager->rtnl, m,
- netdev_create_handler, netdev, 0,
- NULL);
- if (r < 0) {
- log_netdev_error(netdev,
- "Could not send rtnetlink message: %s",
- strerror(-r));
- return r;
- }
-
- netdev_ref(netdev);
- }
-
- netdev->state = NETDEV_STATE_CREATING;
-
- log_netdev_debug(netdev, "creating");
- }
-
- return 0;
-}
-
-/* the callback must be called, possibly after a timeout, as otherwise the Link will hang */
-int netdev_join(NetDev *netdev, Link *link, sd_rtnl_message_handler_t callback) {
- int r;
-
- assert(netdev);
- assert(netdev->manager);
- assert(netdev->manager->rtnl);
- assert(NETDEV_VTABLE(netdev));
-
- switch (NETDEV_VTABLE(netdev)->create_type) {
- case NETDEV_CREATE_MASTER:
- r = netdev_enslave(netdev, link, callback);
- if (r < 0)
- return r;
-
- break;
- case NETDEV_CREATE_STACKED:
- r = netdev_create(netdev, link, callback);
- if (r < 0)
- return r;
-
- break;
- default:
- assert_not_reached("Can not join independent netdev");
- }
-
- return 0;
-}
-
-static int netdev_load_one(Manager *manager, const char *filename) {
- _cleanup_netdev_unref_ NetDev *netdev = NULL;
- _cleanup_free_ NetDev *netdev_raw = NULL;
- _cleanup_fclose_ FILE *file = NULL;
- int r;
-
- assert(manager);
- assert(filename);
-
- file = fopen(filename, "re");
- if (!file) {
- if (errno == ENOENT)
- return 0;
- else
- return -errno;
- }
-
- if (null_or_empty_fd(fileno(file))) {
- log_debug("Skipping empty file: %s", filename);
- return 0;
- }
-
- netdev_raw = new0(NetDev, 1);
- if (!netdev_raw)
- return log_oom();
-
- netdev_raw->kind = _NETDEV_KIND_INVALID;
-
- r = config_parse(NULL, filename, file,
- "Match\0NetDev\0",
- config_item_perf_lookup, network_netdev_gperf_lookup,
- true, false, true, netdev_raw);
- if (r < 0)
- return r;
-
- r = fseek(file, 0, SEEK_SET);
- if (r < 0)
- return -errno;
-
- /* skip out early if configuration does not match the environment */
- if (net_match_config(NULL, NULL, NULL, NULL, NULL,
- netdev_raw->match_host, netdev_raw->match_virt,
- netdev_raw->match_kernel, netdev_raw->match_arch,
- NULL, NULL, NULL, NULL, NULL, NULL) <= 0)
- return 0;
-
- if (!NETDEV_VTABLE(netdev_raw)) {
- log_warning("NetDev with invalid Kind configured in %s. Ignoring", filename);
- return 0;
- }
-
- if (!netdev_raw->ifname) {
- log_warning("NetDev without Name configured in %s. Ignoring", filename);
- return 0;
- }
-
- netdev = malloc0(NETDEV_VTABLE(netdev_raw)->object_size);
- if (!netdev)
- return log_oom();
-
- netdev->n_ref = 1;
- netdev->manager = manager;
- netdev->state = _NETDEV_STATE_INVALID;
- netdev->kind = netdev_raw->kind;
- netdev->ifname = netdev_raw->ifname;
-
- if (NETDEV_VTABLE(netdev)->init)
- NETDEV_VTABLE(netdev)->init(netdev);
-
- r = config_parse(NULL, filename, file,
- NETDEV_VTABLE(netdev)->sections,
- config_item_perf_lookup, network_netdev_gperf_lookup,
- false, false, false, netdev);
- if (r < 0)
- return r;
-
- /* verify configuration */
- if (NETDEV_VTABLE(netdev)->config_verify) {
- r = NETDEV_VTABLE(netdev)->config_verify(netdev, filename);
- if (r < 0)
- return 0;
- }
-
- netdev->filename = strdup(filename);
- if (!netdev->filename)
- return log_oom();
-
- if (!netdev->mac) {
- r = netdev_get_mac(netdev->ifname, &netdev->mac);
- if (r < 0) {
- log_error("Failed to generate predictable MAC address for %s",
- netdev->ifname);
- return r;
- }
- }
-
- r = hashmap_put(netdev->manager->netdevs, netdev->ifname, netdev);
- if (r < 0)
- return r;
-
- LIST_HEAD_INIT(netdev->callbacks);
-
- log_netdev_debug(netdev, "loaded %s", netdev_kind_to_string(netdev->kind));
-
- switch (NETDEV_VTABLE(netdev)->create_type) {
- case NETDEV_CREATE_MASTER:
- case NETDEV_CREATE_INDEPENDENT:
- r = netdev_create(netdev, NULL, NULL);
- if (r < 0)
- return 0;
-
- break;
- default:
- break;
- }
-
- netdev = NULL;
-
- return 0;
-}
-
-int netdev_load(Manager *manager) {
- NetDev *netdev;
- char **files, **f;
- int r;
-
- assert(manager);
-
- while ((netdev = hashmap_first(manager->netdevs)))
- netdev_unref(netdev);
-
- r = conf_files_list_strv(&files, ".netdev", NULL, network_dirs);
- if (r < 0)
- return log_error_errno(r, "Failed to enumerate netdev files: %m");
-
- STRV_FOREACH_BACKWARDS(f, files) {
- r = netdev_load_one(manager, *f);
- if (r < 0)
- return r;
- }
-
- strv_free(files);
-
- return 0;
-}
+++ /dev/null
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- This file is part of systemd.
-
- Copyright 2013 Tom Gundersen <teg@jklm.no>
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#pragma once
-
-#include "networkd.h"
-#include "list.h"
-
-typedef struct NetDevVTable NetDevVTable;
-
-typedef struct netdev_join_callback netdev_join_callback;
-
-struct netdev_join_callback {
- sd_rtnl_message_handler_t callback;
- Link *link;
-
- LIST_FIELDS(netdev_join_callback, callbacks);
-};
-
-typedef enum NetDevKind {
- NETDEV_KIND_BRIDGE,
- NETDEV_KIND_BOND,
- NETDEV_KIND_VLAN,
- NETDEV_KIND_MACVLAN,
- NETDEV_KIND_IPVLAN,
- NETDEV_KIND_VXLAN,
- NETDEV_KIND_IPIP,
- NETDEV_KIND_GRE,
- NETDEV_KIND_GRETAP,
- NETDEV_KIND_IP6GRE,
- NETDEV_KIND_IP6GRETAP,
- NETDEV_KIND_SIT,
- NETDEV_KIND_VETH,
- NETDEV_KIND_VTI,
- NETDEV_KIND_IP6TNL,
- NETDEV_KIND_DUMMY,
- NETDEV_KIND_TUN,
- NETDEV_KIND_TAP,
- _NETDEV_KIND_MAX,
- _NETDEV_KIND_INVALID = -1
-} NetDevKind;
-
-typedef enum NetDevState {
- NETDEV_STATE_FAILED,
- NETDEV_STATE_CREATING,
- NETDEV_STATE_READY,
- NETDEV_STATE_LINGER,
- _NETDEV_STATE_MAX,
- _NETDEV_STATE_INVALID = -1,
-} NetDevState;
-
-typedef enum NetDevCreateType {
- NETDEV_CREATE_INDEPENDENT,
- NETDEV_CREATE_MASTER,
- NETDEV_CREATE_STACKED,
- _NETDEV_CREATE_MAX,
- _NETDEV_CREATE_INVALID = -1,
-} NetDevCreateType;
-
-struct NetDev {
- Manager *manager;
-
- int n_ref;
-
- char *filename;
-
- Condition *match_host;
- Condition *match_virt;
- Condition *match_kernel;
- Condition *match_arch;
-
- NetDevState state;
- NetDevKind kind;
- char *description;
- char *ifname;
- struct ether_addr *mac;
- size_t mtu;
- int ifindex;
-
- LIST_HEAD(netdev_join_callback, callbacks);
-};
-
-#include "networkd-netdev-bridge.h"
-#include "networkd-netdev-bond.h"
-#include "networkd-netdev-vlan.h"
-#include "networkd-netdev-macvlan.h"
-#include "networkd-netdev-ipvlan.h"
-#include "networkd-netdev-vxlan.h"
-#include "networkd-netdev-veth.h"
-#include "networkd-netdev-tunnel.h"
-#include "networkd-netdev-dummy.h"
-#include "networkd-netdev-tuntap.h"
-
-struct NetDevVTable {
- /* How much memory does an object of this unit type need */
- size_t object_size;
-
- /* Config file sections this netdev kind understands, separated
- * by NUL chars */
- const char *sections;
-
- /* This should reset all type-specific variables. This should
- * not allocate memory, and is called with zero-initialized
- * data. It should hence only initialize variables that need
- * to be set != 0. */
- void (*init)(NetDev *n);
-
- /* This should free all kind-specific variables. It should be
- * idempotent. */
- void (*done)(NetDev *n);
-
- /* fill in message to create netdev */
- int (*fill_message_create)(NetDev *netdev, Link *link, sd_rtnl_message *message);
-
- /* specifies if netdev is independent, or a master device or a stacked device */
- NetDevCreateType create_type;
-
- /* create netdev, if not done via rtnl */
- int (*create)(NetDev *netdev);
-
- /* verify that compulsory configuration options were specified */
- int (*config_verify)(NetDev *netdev, const char *filename);
-};
-
-extern const NetDevVTable * const netdev_vtable[_NETDEV_KIND_MAX];
-
-#define NETDEV_VTABLE(n) netdev_vtable[(n)->kind]
-
-/* For casting a netdev into the various netdev kinds */
-#define DEFINE_CAST(UPPERCASE, MixedCase) \
- static inline MixedCase* UPPERCASE(NetDev *n) { \
- if (_unlikely_(!n || n->kind != NETDEV_KIND_##UPPERCASE)) \
- return NULL; \
- \
- return (MixedCase*) n; \
- }
-
-/* For casting the various netdev kinds into a netdev */
-#define NETDEV(n) (&(n)->meta)
-
-DEFINE_CAST(BRIDGE, Bridge);
-DEFINE_CAST(BOND, Bond);
-DEFINE_CAST(VLAN, VLan);
-DEFINE_CAST(MACVLAN, MacVlan);
-DEFINE_CAST(IPVLAN, IPVlan);
-DEFINE_CAST(VXLAN, VxLan);
-DEFINE_CAST(IPIP, Tunnel);
-DEFINE_CAST(GRE, Tunnel);
-DEFINE_CAST(GRETAP, Tunnel);
-DEFINE_CAST(IP6GRE, Tunnel);
-DEFINE_CAST(IP6GRETAP, Tunnel);
-DEFINE_CAST(SIT, Tunnel);
-DEFINE_CAST(VTI, Tunnel);
-DEFINE_CAST(IP6TNL, Tunnel);
-DEFINE_CAST(VETH, Veth);
-DEFINE_CAST(DUMMY, Dummy);
-DEFINE_CAST(TUN, TunTap);
-DEFINE_CAST(TAP, TunTap);
-
-int netdev_load(Manager *manager);
-void netdev_drop(NetDev *netdev);
-
-NetDev *netdev_unref(NetDev *netdev);
-NetDev *netdev_ref(NetDev *netdev);
-
-DEFINE_TRIVIAL_CLEANUP_FUNC(NetDev*, netdev_unref);
-#define _cleanup_netdev_unref_ _cleanup_(netdev_unrefp)
-
-int netdev_get(Manager *manager, const char *name, NetDev **ret);
-int netdev_set_ifindex(NetDev *netdev, sd_rtnl_message *newlink);
-int netdev_enslave(NetDev *netdev, Link *link, sd_rtnl_message_handler_t callback);
-int netdev_get_mac(const char *ifname, struct ether_addr **ret);
-int netdev_join(NetDev *netdev, Link *link, sd_rtnl_message_handler_t cb);
-
-const char *netdev_kind_to_string(NetDevKind d) _const_;
-NetDevKind netdev_kind_from_string(const char *d) _pure_;
-
-int config_parse_netdev_kind(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);
-
-/* gperf */
-const struct ConfigPerfItem* network_netdev_gperf_lookup(const char *key, unsigned length);
-
-/* Macros which append INTERFACE= to the message */
-
-#define log_full_netdev(level, netdev, fmt, ...) log_object_internal(level, 0, __FILE__, __LINE__, __func__, "INTERFACE=", netdev->ifname, "%-*s: " fmt, IFNAMSIZ, netdev->ifname, ##__VA_ARGS__)
-#define log_netdev_debug(netdev, ...) log_full_netdev(LOG_DEBUG, netdev, ##__VA_ARGS__)
-#define log_info_netdev(netdev, ...) log_full_netdev(LOG_INFO, netdev, ##__VA_ARGS__)
-#define log_notice_netdev(netdev, ...) log_full_netdev(LOG_NOTICE, netdev, ##__VA_ARGS__)
-#define log_warning_netdev(netdev, ...) log_full_netdev(LOG_WARNING, netdev,## __VA_ARGS__)
-#define log_netdev_error(netdev, ...) log_full_netdev(LOG_ERR, netdev, ##__VA_ARGS__)
-
-#define log_struct_netdev(level, netdev, ...) log_struct(level, "INTERFACE=%s", netdev->ifname, __VA_ARGS__)
-
-#define NETDEVIF(netdev) "INTERFACE=%s", netdev->ifname
+++ /dev/null
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- This file is part of systemd.
-
- Copyright 2015 Tom Gundersen
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include "strv.h"
-
-#include "networkd.h"
-
-static int property_get_ether_addrs(
- sd_bus *bus,
- const char *path,
- const char *interface,
- const char *property,
- sd_bus_message *reply,
- void *userdata,
- sd_bus_error *error) {
-
- Network *n = userdata;
- const char *ether = NULL;
- int r;
-
- assert(bus);
- assert(reply);
- assert(n);
-
- if (n->match_mac)
- ether = ether_ntoa(n->match_mac);
-
- r = sd_bus_message_open_container(reply, 'a', "s");
- if (r < 0)
- return r;
-
- if (ether) {
- r = sd_bus_message_append(reply, "s", strempty(ether));
- if (r < 0)
- return r;
- }
-
- r = sd_bus_message_close_container(reply);
- if (r < 0)
- return r;
-
- return 1;
-}
-
-const sd_bus_vtable network_vtable[] = {
- SD_BUS_VTABLE_START(0),
-
- SD_BUS_PROPERTY("Description", "s", NULL, offsetof(Network, description), SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("SourcePath", "s", NULL, offsetof(Network, filename), SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("MatchMAC", "as", property_get_ether_addrs, offsetof(Network, match_mac), SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("MatchPath", "as", NULL, offsetof(Network, match_path), SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("MatchDriver", "as", NULL, offsetof(Network, match_driver), SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("MatchType", "as", NULL, offsetof(Network, match_type), SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("MatchName", "as", NULL, offsetof(Network, match_name), SD_BUS_VTABLE_PROPERTY_CONST),
-
- SD_BUS_VTABLE_END
-};
-
-static char *network_bus_path(Network *network) {
- _cleanup_free_ char *name = NULL;
- char *networkname, *d, *path;
- int r;
-
- assert(network);
- assert(network->filename);
-
- name = strdup(network->filename);
- if (!name)
- return NULL;
-
- networkname = basename(name);
-
- d = strrchr(networkname, '.');
- if (!d)
- return NULL;
-
- assert(streq(d, ".network"));
-
- *d = '\0';
-
- r = sd_bus_path_encode("/org/freedesktop/network1/network", networkname, &path);
- if (r < 0)
- return NULL;
-
- return path;
-}
-
-int network_node_enumerator(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error) {
- _cleanup_strv_free_ char **l = NULL;
- Manager *m = userdata;
- Network *network;
- int r;
-
- assert(bus);
- assert(path);
- assert(m);
- assert(nodes);
-
- LIST_FOREACH(networks, network, m->networks) {
- char *p;
-
- p = network_bus_path(network);
- if (!p)
- return -ENOMEM;
-
- r = strv_consume(&l, p);
- if (r < 0)
- return r;
- }
-
- *nodes = l;
- l = NULL;
-
- return 1;
-}
-
-int network_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) {
- Manager *m = userdata;
- Network *network;
- _cleanup_free_ char *name = NULL;
- int r;
-
- assert(bus);
- assert(path);
- assert(interface);
- assert(m);
- assert(found);
-
- r = sd_bus_path_decode(path, "/org/freedesktop/network1/network", &name);
- if (r < 0)
- return 0;
-
- r = network_get_by_name(m, name, &network);
- if (r < 0)
- return 0;
-
- *found = network;
-
- return 1;
-}
+++ /dev/null
-%{
-#include <stddef.h>
-#include "conf-parser.h"
-#include "networkd.h"
-#include "network-internal.h"
-%}
-struct ConfigPerfItem;
-%null_strings
-%language=ANSI-C
-%define slot-name section_and_lvalue
-%define hash-function-name network_network_gperf_hash
-%define lookup-function-name network_network_gperf_lookup
-%readonly-tables
-%omit-struct-type
-%struct-type
-%includes
-%%
-Match.MACAddress, config_parse_hwaddr, 0, offsetof(Network, match_mac)
-Match.Path, config_parse_strv, 0, offsetof(Network, match_path)
-Match.Driver, config_parse_strv, 0, offsetof(Network, match_driver)
-Match.Type, config_parse_strv, 0, offsetof(Network, match_type)
-Match.Name, config_parse_ifnames, 0, offsetof(Network, match_name)
-Match.Host, config_parse_net_condition, CONDITION_HOST, offsetof(Network, match_host)
-Match.Virtualization, config_parse_net_condition, CONDITION_VIRTUALIZATION, offsetof(Network, match_virt)
-Match.KernelCommandLine, config_parse_net_condition, CONDITION_KERNEL_COMMAND_LINE, offsetof(Network, match_kernel)
-Match.Architecture, config_parse_net_condition, CONDITION_ARCHITECTURE, offsetof(Network, match_arch)
-Link.MACAddress, config_parse_hwaddr, 0, offsetof(Network, mac)
-Link.MTUBytes, config_parse_iec_size, 0, offsetof(Network, mtu)
-Network.Description, config_parse_string, 0, offsetof(Network, description)
-Network.Bridge, config_parse_netdev, 0, offsetof(Network, bridge)
-Network.Bond, config_parse_netdev, 0, offsetof(Network, bond)
-Network.VLAN, config_parse_netdev, 0, 0
-Network.MACVLAN, config_parse_netdev, 0, 0
-Network.IPVLAN, config_parse_netdev, 0, 0
-Network.VXLAN, config_parse_netdev, 0, 0
-Network.Tunnel, config_parse_tunnel, 0, 0
-Network.DHCP, config_parse_dhcp, 0, offsetof(Network, dhcp)
-Network.DHCPServer, config_parse_bool, 0, offsetof(Network, dhcp_server)
-Network.LinkLocalAddressing, config_parse_address_family_boolean,0, offsetof(Network, link_local)
-Network.IPv4LLRoute, config_parse_bool, 0, offsetof(Network, ipv4ll_route)
-Network.IPv6Token, config_parse_ipv6token, 0, offsetof(Network, ipv6_token)
-Network.LLDP, config_parse_bool, 0, offsetof(Network, lldp)
-Network.Address, config_parse_address, 0, 0
-Network.Gateway, config_parse_gateway, 0, 0
-Network.Domains, config_parse_domains, 0, offsetof(Network, domains)
-Network.DNS, config_parse_strv, 0, offsetof(Network, dns)
-Network.LLMNR, config_parse_llmnr, 0, offsetof(Network, llmnr)
-Network.NTP, config_parse_strv, 0, offsetof(Network, ntp)
-Network.IPForward, config_parse_address_family_boolean,0, offsetof(Network, ip_forward)
-Network.IPMasquerade, config_parse_bool, 0, offsetof(Network, ip_masquerade)
-Network.BindCarrier, config_parse_strv, 0, offsetof(Network, bind_carrier)
-Address.Address, config_parse_address, 0, 0
-Address.Peer, config_parse_address, 0, 0
-Address.Broadcast, config_parse_broadcast, 0, 0
-Address.Label, config_parse_label, 0, 0
-Route.Gateway, config_parse_gateway, 0, 0
-Route.Destination, config_parse_destination, 0, 0
-Route.Source, config_parse_destination, 0, 0
-Route.Metric, config_parse_route_priority, 0, 0
-Route.Scope, config_parse_route_scope, 0, 0
-DHCP.ClientIdentifier, config_parse_dhcp_client_identifier,0, offsetof(Network, dhcp_client_identifier)
-DHCP.UseDNS, config_parse_bool, 0, offsetof(Network, dhcp_dns)
-DHCP.UseNTP, config_parse_bool, 0, offsetof(Network, dhcp_ntp)
-DHCP.UseMTU, config_parse_bool, 0, offsetof(Network, dhcp_mtu)
-DHCP.UseHostname, config_parse_bool, 0, offsetof(Network, dhcp_hostname)
-DHCP.UseDomains, config_parse_bool, 0, offsetof(Network, dhcp_domains)
-DHCP.UseRoutes, config_parse_bool, 0, offsetof(Network, dhcp_routes)
-DHCP.SendHostname, config_parse_bool, 0, offsetof(Network, dhcp_sendhost)
-DHCP.RequestBroadcast, config_parse_bool, 0, offsetof(Network, dhcp_broadcast)
-DHCP.CriticalConnection, config_parse_bool, 0, offsetof(Network, dhcp_critical)
-DHCP.VendorClassIdentifier, config_parse_string, 0, offsetof(Network, dhcp_vendor_class_identifier)
-DHCP.RouteMetric, config_parse_unsigned, 0, offsetof(Network, dhcp_route_metric)
-Bridge.Cost, config_parse_unsigned, 0, offsetof(Network, cost)
-BridgeFDB.MACAddress, config_parse_fdb_hwaddr, 0, 0
-BridgeFDB.VLANId, config_parse_fdb_vlan_id, 0, 0
-/* backwards compatibility: do not add new entries to this section */
-Network.IPv4LL, config_parse_ipv4ll, 0, offsetof(Network, link_local)
-DHCPv4.UseDNS, config_parse_bool, 0, offsetof(Network, dhcp_dns)
-DHCPv4.UseMTU, config_parse_bool, 0, offsetof(Network, dhcp_mtu)
-DHCPv4.UseHostname, config_parse_bool, 0, offsetof(Network, dhcp_hostname)
-DHCP.UseDomainName, config_parse_bool, 0, offsetof(Network, dhcp_domains)
-DHCPv4.UseDomainName, config_parse_bool, 0, offsetof(Network, dhcp_domains)
-DHCPv4.CriticalConnection, config_parse_bool, 0, offsetof(Network, dhcp_critical)
+++ /dev/null
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- This file is part of systemd.
-
- Copyright 2013 Tom Gundersen <teg@jklm.no>
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include <ctype.h>
-#include <net/if.h>
-
-#include "conf-files.h"
-#include "conf-parser.h"
-#include "util.h"
-#include "networkd.h"
-#include "networkd-netdev.h"
-#include "networkd-link.h"
-#include "network-internal.h"
-
-static int network_load_one(Manager *manager, const char *filename) {
- _cleanup_network_free_ Network *network = NULL;
- _cleanup_fclose_ FILE *file = NULL;
- char *d;
- Route *route;
- Address *address;
- int r;
-
- assert(manager);
- assert(filename);
-
- file = fopen(filename, "re");
- if (!file) {
- if (errno == ENOENT)
- return 0;
- else
- return -errno;
- }
-
- if (null_or_empty_fd(fileno(file))) {
- log_debug("Skipping empty file: %s", filename);
- return 0;
- }
-
- network = new0(Network, 1);
- if (!network)
- return log_oom();
-
- network->manager = manager;
-
- LIST_HEAD_INIT(network->static_addresses);
- LIST_HEAD_INIT(network->static_routes);
- LIST_HEAD_INIT(network->static_fdb_entries);
-
- network->stacked_netdevs = hashmap_new(&string_hash_ops);
- if (!network->stacked_netdevs)
- return log_oom();
-
- network->addresses_by_section = hashmap_new(NULL);
- if (!network->addresses_by_section)
- return log_oom();
-
- network->routes_by_section = hashmap_new(NULL);
- if (!network->routes_by_section)
- return log_oom();
-
- network->fdb_entries_by_section = hashmap_new(NULL);
- if (!network->fdb_entries_by_section)
- return log_oom();
-
- network->filename = strdup(filename);
- if (!network->filename)
- return log_oom();
-
- network->name = strdup(basename(filename));
- if (!network->name)
- return log_oom();
-
- d = strrchr(network->name, '.');
- if (!d)
- return -EINVAL;
-
- assert(streq(d, ".network"));
-
- *d = '\0';
-
- network->dhcp = ADDRESS_FAMILY_NO;
- network->dhcp_ntp = true;
- network->dhcp_dns = true;
- network->dhcp_hostname = true;
- network->dhcp_routes = true;
- network->dhcp_sendhost = true;
- network->dhcp_route_metric = DHCP_ROUTE_METRIC;
- network->dhcp_client_identifier = DHCP_CLIENT_ID_DUID;
-
- network->llmnr = LLMNR_SUPPORT_YES;
-
- network->link_local = ADDRESS_FAMILY_IPV6;
-
- r = config_parse(NULL, filename, file,
- "Match\0"
- "Link\0"
- "Network\0"
- "Address\0"
- "Route\0"
- "DHCP\0"
- "DHCPv4\0"
- "Bridge\0"
- "BridgeFDB\0",
- config_item_perf_lookup, network_network_gperf_lookup,
- false, false, true, network);
- if (r < 0)
- return r;
-
- /* IPMasquerade=yes implies IPForward=yes */
- if (network->ip_masquerade)
- network->ip_forward |= ADDRESS_FAMILY_IPV4;
-
- LIST_PREPEND(networks, manager->networks, network);
-
- r = hashmap_ensure_allocated(&manager->networks_by_name, &string_hash_ops);
- if (r < 0)
- return r;
-
- r = hashmap_put(manager->networks_by_name, network->name, network);
- if (r < 0)
- return r;
-
- LIST_FOREACH(routes, route, network->static_routes) {
- if (!route->family) {
- log_warning("Route section without Gateway field configured in %s. "
- "Ignoring", filename);
- return 0;
- }
- }
-
- LIST_FOREACH(addresses, address, network->static_addresses) {
- if (!address->family) {
- log_warning("Address section without Address field configured in %s. "
- "Ignoring", filename);
- return 0;
- }
- }
-
- network = NULL;
-
- return 0;
-}
-
-int network_load(Manager *manager) {
- Network *network;
- _cleanup_strv_free_ char **files = NULL;
- char **f;
- int r;
-
- assert(manager);
-
- while ((network = manager->networks))
- network_free(network);
-
- r = conf_files_list_strv(&files, ".network", NULL, network_dirs);
- if (r < 0)
- return log_error_errno(r, "Failed to enumerate network files: %m");
-
- STRV_FOREACH_BACKWARDS(f, files) {
- r = network_load_one(manager, *f);
- if (r < 0)
- return r;
- }
-
- return 0;
-}
-
-void network_free(Network *network) {
- NetDev *netdev;
- Route *route;
- Address *address;
- FdbEntry *fdb_entry;
- Iterator i;
-
- if (!network)
- return;
-
- free(network->filename);
-
- free(network->match_mac);
- strv_free(network->match_path);
- strv_free(network->match_driver);
- strv_free(network->match_type);
- strv_free(network->match_name);
-
- free(network->description);
- free(network->dhcp_vendor_class_identifier);
-
- free(network->mac);
-
- strv_free(network->ntp);
- strv_free(network->dns);
- strv_free(network->domains);
- strv_free(network->bind_carrier);
-
- netdev_unref(network->bridge);
-
- netdev_unref(network->bond);
-
- HASHMAP_FOREACH(netdev, network->stacked_netdevs, i) {
- hashmap_remove(network->stacked_netdevs, netdev->ifname);
- netdev_unref(netdev);
- }
- hashmap_free(network->stacked_netdevs);
-
- while ((route = network->static_routes))
- route_free(route);
-
- while ((address = network->static_addresses))
- address_free(address);
-
- while ((fdb_entry = network->static_fdb_entries))
- fdb_entry_free(fdb_entry);
-
- hashmap_free(network->addresses_by_section);
- hashmap_free(network->routes_by_section);
- hashmap_free(network->fdb_entries_by_section);
-
- if (network->manager) {
- if (network->manager->networks)
- LIST_REMOVE(networks, network->manager->networks, network);
-
- if (network->manager->networks_by_name)
- hashmap_remove(network->manager->networks_by_name, network->name);
- }
-
- free(network->name);
-
- condition_free_list(network->match_host);
- condition_free_list(network->match_virt);
- condition_free_list(network->match_kernel);
- condition_free_list(network->match_arch);
-
- free(network);
-}
-
-int network_get_by_name(Manager *manager, const char *name, Network **ret) {
- Network *network;
-
- assert(manager);
- assert(name);
- assert(ret);
-
- network = hashmap_get(manager->networks_by_name, name);
- if (!network)
- return -ENOENT;
-
- *ret = network;
-
- return 0;
-}
-
-int network_get(Manager *manager, struct udev_device *device,
- const char *ifname, const struct ether_addr *address,
- Network **ret) {
- Network *network;
- struct udev_device *parent;
- const char *path, *parent_driver, *driver, *devtype;
-
- assert(manager);
- assert(ret);
- assert(device);
-
- path = udev_device_get_property_value(device, "ID_PATH");
-
- parent = udev_device_get_parent(device);
- if (parent)
- parent_driver = udev_device_get_driver(parent);
- else
- parent_driver = NULL;
-
- driver = udev_device_get_property_value(device, "ID_NET_DRIVER");
-
- devtype = udev_device_get_devtype(device);
-
- LIST_FOREACH(networks, network, manager->networks) {
- if (net_match_config(network->match_mac, network->match_path,
- network->match_driver, network->match_type,
- network->match_name, network->match_host,
- network->match_virt, network->match_kernel,
- network->match_arch,
- address, path, parent_driver, driver,
- devtype, ifname)) {
- if (network->match_name) {
- const char *attr;
- uint8_t name_assign_type = NET_NAME_UNKNOWN;
-
- attr = udev_device_get_sysattr_value(device, "name_assign_type");
- if (attr)
- (void) safe_atou8(attr, &name_assign_type);
-
- if (name_assign_type == NET_NAME_ENUM)
- log_warning("%-*s: found matching network '%s', based on potentially unpredictable ifname",
- IFNAMSIZ, ifname, network->filename);
- else
- log_debug("%-*s: found matching network '%s'", IFNAMSIZ, ifname, network->filename);
- } else
- log_debug("%-*s: found matching network '%s'", IFNAMSIZ, ifname, network->filename);
-
- *ret = network;
- return 0;
- }
- }
-
- *ret = NULL;
-
- return -ENOENT;
-}
-
-int network_apply(Manager *manager, Network *network, Link *link) {
- int r;
-
- link->network = network;
-
- if (network->ipv4ll_route) {
- Route *route;
-
- r = route_new_static(network, 0, &route);
- if (r < 0)
- return r;
-
- r = inet_pton(AF_INET, "169.254.0.0", &route->dst_addr.in);
- if (r == 0)
- return -EINVAL;
- if (r < 0)
- return -errno;
-
- route->family = AF_INET;
- route->dst_prefixlen = 16;
- route->scope = RT_SCOPE_LINK;
- route->metrics = IPV4LL_ROUTE_METRIC;
- route->protocol = RTPROT_STATIC;
- }
-
- if (network->dns || network->ntp) {
- r = link_save(link);
- if (r < 0)
- return r;
- }
-
- return 0;
-}
-
-int config_parse_netdev(const char *unit,
- const char *filename,
- unsigned line,
- const char *section,
- unsigned section_line,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata) {
- Network *network = userdata;
- _cleanup_free_ char *kind_string = NULL;
- char *p;
- NetDev *netdev;
- NetDevKind kind;
- int r;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(data);
-
- kind_string = strdup(lvalue);
- if (!kind_string)
- return log_oom();
-
- /* the keys are CamelCase versions of the kind */
- for (p = kind_string; *p; p++)
- *p = tolower(*p);
-
- kind = netdev_kind_from_string(kind_string);
- if (kind == _NETDEV_KIND_INVALID) {
- log_syntax(unit, LOG_ERR, filename, line, EINVAL,
- "Invalid NetDev kind: %s", lvalue);
- return 0;
- }
-
- r = netdev_get(network->manager, rvalue, &netdev);
- if (r < 0) {
- log_syntax(unit, LOG_ERR, filename, line, EINVAL,
- "%s could not be found, ignoring assignment: %s", lvalue, rvalue);
- return 0;
- }
-
- if (netdev->kind != kind) {
- log_syntax(unit, LOG_ERR, filename, line, EINVAL,
- "NetDev is not a %s, ignoring assignment: %s", lvalue, rvalue);
- return 0;
- }
-
- switch (kind) {
- case NETDEV_KIND_BRIDGE:
- network->bridge = netdev;
-
- break;
- case NETDEV_KIND_BOND:
- network->bond = netdev;
-
- break;
- case NETDEV_KIND_VLAN:
- case NETDEV_KIND_MACVLAN:
- case NETDEV_KIND_IPVLAN:
- case NETDEV_KIND_VXLAN:
- r = hashmap_put(network->stacked_netdevs, netdev->ifname, netdev);
- if (r < 0) {
- log_syntax(unit, LOG_ERR, filename, line, EINVAL,
- "Can not add VLAN '%s' to network: %s",
- rvalue, strerror(-r));
- return 0;
- }
-
- break;
- default:
- assert_not_reached("Can not parse NetDev");
- }
-
- netdev_ref(netdev);
-
- return 0;
-}
-
-int config_parse_domains(const char *unit,
- const char *filename,
- unsigned line,
- const char *section,
- unsigned section_line,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata) {
- Network *network = userdata;
- char ***domains = data;
- char **domain;
- int r;
-
- r = config_parse_strv(unit, filename, line, section, section_line,
- lvalue, ltype, rvalue, domains, userdata);
- if (r < 0)
- return r;
-
- strv_uniq(*domains);
- network->wildcard_domain = !!strv_find(*domains, "*");
-
- STRV_FOREACH(domain, *domains) {
- if (is_localhost(*domain))
- log_syntax(unit, LOG_ERR, filename, line, EINVAL, "'localhost' domain names may not be configured, ignoring assignment: %s", *domain);
- else if (!hostname_is_valid(*domain)) {
- if (!streq(*domain, "*"))
- log_syntax(unit, LOG_ERR, filename, line, EINVAL, "domain name is not valid, ignoring assignment: %s", *domain);
- } else
- continue;
-
- strv_remove(*domains, *domain);
-
- /* We removed one entry, make sure we don't skip the next one */
- domain--;
- }
-
- return 0;
-}
-
-int config_parse_tunnel(const char *unit,
- const char *filename,
- unsigned line,
- const char *section,
- unsigned section_line,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata) {
- Network *network = userdata;
- NetDev *netdev;
- int r;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(data);
-
- r = netdev_get(network->manager, rvalue, &netdev);
- if (r < 0) {
- log_syntax(unit, LOG_ERR, filename, line, EINVAL,
- "Tunnel is invalid, ignoring assignment: %s", rvalue);
- return 0;
- }
-
- if (netdev->kind != NETDEV_KIND_IPIP &&
- netdev->kind != NETDEV_KIND_SIT &&
- netdev->kind != NETDEV_KIND_GRE &&
- netdev->kind != NETDEV_KIND_GRETAP &&
- netdev->kind != NETDEV_KIND_IP6GRE &&
- netdev->kind != NETDEV_KIND_IP6GRETAP &&
- netdev->kind != NETDEV_KIND_VTI &&
- netdev->kind != NETDEV_KIND_IP6TNL
- ) {
- log_syntax(unit, LOG_ERR, filename, line, EINVAL,
- "NetDev is not a tunnel, ignoring assignment: %s", rvalue);
- return 0;
- }
-
- r = hashmap_put(network->stacked_netdevs, netdev->ifname, netdev);
- if (r < 0) {
- log_syntax(unit, LOG_ERR, filename, line, EINVAL,
- "Can not add VLAN '%s' to network: %s",
- rvalue, strerror(-r));
- return 0;
- }
-
- netdev_ref(netdev);
-
- return 0;
-}
-
-int config_parse_ipv4ll(
- const char* unit,
- const char *filename,
- unsigned line,
- const char *section,
- unsigned section_line,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata) {
-
- AddressFamilyBoolean *link_local = data;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(data);
-
- /* Note that this is mostly like
- * config_parse_address_family_boolean(), except that it
- * applies only to IPv4 */
-
- if (parse_boolean(rvalue))
- *link_local |= ADDRESS_FAMILY_IPV4;
- else
- *link_local &= ~ADDRESS_FAMILY_IPV4;
-
- return 0;
-}
-
-int config_parse_dhcp(
- const char* unit,
- const char *filename,
- unsigned line,
- const char *section,
- unsigned section_line,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata) {
-
- AddressFamilyBoolean *dhcp = data, s;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(data);
-
- /* Note that this is mostly like
- * config_parse_address_family_boolean(), except that it
- * understands some old names for the enum values */
-
- s = address_family_boolean_from_string(rvalue);
- if (s < 0) {
-
- /* Previously, we had a slightly different enum here,
- * support its values for compatbility. */
-
- if (streq(rvalue, "none"))
- s = ADDRESS_FAMILY_NO;
- else if (streq(rvalue, "v4"))
- s = ADDRESS_FAMILY_IPV4;
- else if (streq(rvalue, "v6"))
- s = ADDRESS_FAMILY_IPV6;
- else if (streq(rvalue, "both"))
- s = ADDRESS_FAMILY_YES;
- else {
- log_syntax(unit, LOG_ERR, filename, line, s, "Failed to parse DHCP option, ignoring: %s", rvalue);
- return 0;
- }
- }
-
- *dhcp = s;
- return 0;
-}
-
-static const char* const dhcp_client_identifier_table[_DHCP_CLIENT_ID_MAX] = {
- [DHCP_CLIENT_ID_MAC] = "mac",
- [DHCP_CLIENT_ID_DUID] = "duid"
-};
-
-DEFINE_PRIVATE_STRING_TABLE_LOOKUP_FROM_STRING(dhcp_client_identifier, DCHPClientIdentifier);
-DEFINE_CONFIG_PARSE_ENUM(config_parse_dhcp_client_identifier, dhcp_client_identifier, DCHPClientIdentifier, "Failed to parse client identifier type");
-
-static const char* const llmnr_support_table[_LLMNR_SUPPORT_MAX] = {
- [LLMNR_SUPPORT_NO] = "no",
- [LLMNR_SUPPORT_YES] = "yes",
- [LLMNR_SUPPORT_RESOLVE] = "resolve",
-};
-
-DEFINE_STRING_TABLE_LOOKUP(llmnr_support, LLMNRSupport);
-
-int config_parse_llmnr(
- const char* unit,
- const char *filename,
- unsigned line,
- const char *section,
- unsigned section_line,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata) {
-
- LLMNRSupport *llmnr = data;
- int k;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(llmnr);
-
- /* Our enum shall be a superset of booleans, hence first try
- * to parse as boolean, and then as enum */
-
- k = parse_boolean(rvalue);
- if (k > 0)
- *llmnr = LLMNR_SUPPORT_YES;
- else if (k == 0)
- *llmnr = LLMNR_SUPPORT_NO;
- else {
- LLMNRSupport s;
-
- s = llmnr_support_from_string(rvalue);
- if (s < 0){
- log_syntax(unit, LOG_ERR, filename, line, -s, "Failed to parse LLMNR option, ignoring: %s", rvalue);
- return 0;
- }
-
- *llmnr = s;
- }
-
- return 0;
-}
-
-int config_parse_ipv6token(
- const char* unit,
- const char *filename,
- unsigned line,
- const char *section,
- unsigned section_line,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata) {
-
- union in_addr_union buffer;
- struct in6_addr *token = data;
- int r;
-
- assert(filename);
- assert(lvalue);
- assert(rvalue);
- assert(token);
-
- r = in_addr_from_string(AF_INET6, rvalue, &buffer);
- if (r < 0) {
- log_syntax(unit, LOG_ERR, filename, line, -r, "Failed to parse IPv6 token, ignoring: %s", rvalue);
- return 0;
- }
-
- r = in_addr_is_null(AF_INET6, &buffer);
- if (r < 0) {
- log_syntax(unit, LOG_ERR, filename, line, -r, "IPv6 token can not be the ANY address, ignoring: %s", rvalue);
- return 0;
- }
-
- if ((buffer.in6.s6_addr32[0] | buffer.in6.s6_addr32[1]) != 0) {
- log_syntax(unit, LOG_ERR, filename, line, EINVAL, "IPv6 token can not be longer than 64 bits, ignoring: %s", rvalue);
- return 0;
- }
-
- *token = buffer.in6;
-
- return 0;
-}
+++ /dev/null
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- This file is part of systemd.
-
- Copyright 2013 Tom Gundersen <teg@jklm.no>
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-
-#include "networkd.h"
-#include "networkd-link.h"
-
-#include "util.h"
-#include "conf-parser.h"
-
-int route_new_static(Network *network, unsigned section, Route **ret) {
- _cleanup_route_free_ Route *route = NULL;
-
- if (section) {
- route = hashmap_get(network->routes_by_section,
- UINT_TO_PTR(section));
- if (route) {
- *ret = route;
- route = NULL;
-
- return 0;
- }
- }
-
- route = new0(Route, 1);
- if (!route)
- return -ENOMEM;
-
- route->family = AF_UNSPEC;
- route->scope = RT_SCOPE_UNIVERSE;
- route->protocol = RTPROT_STATIC;
-
- route->network = network;
-
- LIST_PREPEND(routes, network->static_routes, route);
-
- if (section) {
- route->section = section;
- hashmap_put(network->routes_by_section,
- UINT_TO_PTR(route->section), route);
- }
-
- *ret = route;
- route = NULL;
-
- return 0;
-}
-
-int route_new_dynamic(Route **ret, unsigned char rtm_protocol) {
- _cleanup_route_free_ Route *route = NULL;
-
- route = new0(Route, 1);
- if (!route)
- return -ENOMEM;
-
- route->family = AF_UNSPEC;
- route->scope = RT_SCOPE_UNIVERSE;
- route->protocol = rtm_protocol;
-
- *ret = route;
- route = NULL;
-
- return 0;
-}
-
-void route_free(Route *route) {
- if (!route)
- return;
-
- if (route->network) {
- LIST_REMOVE(routes, route->network->static_routes, route);
-
- if (route->section)
- hashmap_remove(route->network->routes_by_section,
- UINT_TO_PTR(route->section));
- }
-
- free(route);
-}
-
-int route_drop(Route *route, Link *link,
- sd_rtnl_message_handler_t callback) {
- _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL;
- int r;
-
- assert(link);
- assert(link->manager);
- assert(link->manager->rtnl);
- assert(link->ifindex > 0);
- assert(route->family == AF_INET || route->family == AF_INET6);
-
- r = sd_rtnl_message_new_route(link->manager->rtnl, &req,
- RTM_DELROUTE, route->family,
- route->protocol);
- if (r < 0)
- return log_error_errno(r, "Could not create RTM_DELROUTE message: %m");
-
- if (!in_addr_is_null(route->family, &route->in_addr)) {
- if (route->family == AF_INET)
- r = sd_rtnl_message_append_in_addr(req, RTA_GATEWAY, &route->in_addr.in);
- else if (route->family == AF_INET6)
- r = sd_rtnl_message_append_in6_addr(req, RTA_GATEWAY, &route->in_addr.in6);
- if (r < 0)
- return log_error_errno(r, "Could not append RTA_GATEWAY attribute: %m");
- }
-
- if (route->dst_prefixlen) {
- if (route->family == AF_INET)
- r = sd_rtnl_message_append_in_addr(req, RTA_DST, &route->dst_addr.in);
- else if (route->family == AF_INET6)
- r = sd_rtnl_message_append_in6_addr(req, RTA_DST, &route->dst_addr.in6);
- if (r < 0)
- return log_error_errno(r, "Could not append RTA_DST attribute: %m");
-
- r = sd_rtnl_message_route_set_dst_prefixlen(req, route->dst_prefixlen);
- if (r < 0)
- return log_error_errno(r, "Could not set destination prefix length: %m");
- }
-
- if (route->src_prefixlen) {
- if (route->family == AF_INET)
- r = sd_rtnl_message_append_in_addr(req, RTA_SRC, &route->src_addr.in);
- else if (route->family == AF_INET6)
- r = sd_rtnl_message_append_in6_addr(req, RTA_SRC, &route->src_addr.in6);
- if (r < 0)
- return log_error_errno(r, "Could not append RTA_DST attribute: %m");
-
- r = sd_rtnl_message_route_set_src_prefixlen(req, route->src_prefixlen);
- if (r < 0)
- return log_error_errno(r, "Could not set source prefix length: %m");
- }
-
- if (!in_addr_is_null(route->family, &route->prefsrc_addr)) {
- if (route->family == AF_INET)
- r = sd_rtnl_message_append_in_addr(req, RTA_PREFSRC, &route->prefsrc_addr.in);
- else if (route->family == AF_INET6)
- r = sd_rtnl_message_append_in6_addr(req, RTA_PREFSRC, &route->prefsrc_addr.in6);
- if (r < 0)
- return log_error_errno(r, "Could not append RTA_PREFSRC attribute: %m");
- }
-
- r = sd_rtnl_message_route_set_scope(req, route->scope);
- if (r < 0)
- return log_error_errno(r, "Could not set scope: %m");
-
- r = sd_rtnl_message_append_u32(req, RTA_PRIORITY, route->metrics);
- if (r < 0)
- return log_error_errno(r, "Could not append RTA_PRIORITY attribute: %m");
-
- r = sd_rtnl_message_append_u32(req, RTA_OIF, link->ifindex);
- if (r < 0)
- return log_error_errno(r, "Could not append RTA_OIF attribute: %m");
-
- r = sd_rtnl_call_async(link->manager->rtnl, req, callback, link, 0, NULL);
- if (r < 0)
- return log_error_errno(r, "Could not send rtnetlink message: %m");
-
- link_ref(link);
-
- return 0;
-}
-
-int route_configure(Route *route, Link *link,
- sd_rtnl_message_handler_t callback) {
- _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL;
- int r;
-
- assert(link);
- assert(link->manager);
- assert(link->manager->rtnl);
- assert(link->ifindex > 0);
- assert(route->family == AF_INET || route->family == AF_INET6);
-
- r = sd_rtnl_message_new_route(link->manager->rtnl, &req,
- RTM_NEWROUTE, route->family,
- route->protocol);
- if (r < 0)
- return log_error_errno(r, "Could not create RTM_NEWROUTE message: %m");
-
- if (!in_addr_is_null(route->family, &route->in_addr)) {
- if (route->family == AF_INET)
- r = sd_rtnl_message_append_in_addr(req, RTA_GATEWAY, &route->in_addr.in);
- else if (route->family == AF_INET6)
- r = sd_rtnl_message_append_in6_addr(req, RTA_GATEWAY, &route->in_addr.in6);
- if (r < 0)
- return log_error_errno(r, "Could not append RTA_GATEWAY attribute: %m");
- }
-
- if (route->dst_prefixlen) {
- if (route->family == AF_INET)
- r = sd_rtnl_message_append_in_addr(req, RTA_DST, &route->dst_addr.in);
- else if (route->family == AF_INET6)
- r = sd_rtnl_message_append_in6_addr(req, RTA_DST, &route->dst_addr.in6);
- if (r < 0)
- return log_error_errno(r, "Could not append RTA_DST attribute: %m");
-
- r = sd_rtnl_message_route_set_dst_prefixlen(req, route->dst_prefixlen);
- if (r < 0)
- return log_error_errno(r, "Could not set destination prefix length: %m");
- }
-
- if (route->src_prefixlen) {
- if (route->family == AF_INET)
- r = sd_rtnl_message_append_in_addr(req, RTA_SRC, &route->src_addr.in);
- else if (route->family == AF_INET6)
- r = sd_rtnl_message_append_in6_addr(req, RTA_SRC, &route->src_addr.in6);
- if (r < 0)
- return log_error_errno(r, "Could not append RTA_SRC attribute: %m");
-
- r = sd_rtnl_message_route_set_src_prefixlen(req, route->src_prefixlen);
- if (r < 0)
- return log_error_errno(r, "Could not set source prefix length: %m");
- }
-
- if (!in_addr_is_null(route->family, &route->prefsrc_addr)) {
- if (route->family == AF_INET)
- r = sd_rtnl_message_append_in_addr(req, RTA_PREFSRC, &route->prefsrc_addr.in);
- else if (route->family == AF_INET6)
- r = sd_rtnl_message_append_in6_addr(req, RTA_PREFSRC, &route->prefsrc_addr.in6);
- if (r < 0)
- return log_error_errno(r, "Could not append RTA_PREFSRC attribute: %m");
- }
-
- r = sd_rtnl_message_route_set_scope(req, route->scope);
- if (r < 0)
- return log_error_errno(r, "Could not set scope: %m");
-
- r = sd_rtnl_message_append_u32(req, RTA_PRIORITY, route->metrics);
- if (r < 0)
- return log_error_errno(r, "Could not append RTA_PRIORITY attribute: %m");
-
- r = sd_rtnl_message_append_u32(req, RTA_OIF, link->ifindex);
- if (r < 0)
- return log_error_errno(r, "Could not append RTA_OIF attribute: %m");
-
- r = sd_rtnl_call_async(link->manager->rtnl, req, callback, link, 0, NULL);
- if (r < 0)
- return log_error_errno(r, "Could not send rtnetlink message: %m");
-
- link_ref(link);
-
- return 0;
-}
-
-int config_parse_gateway(const char *unit,
- const char *filename,
- unsigned line,
- const char *section,
- unsigned section_line,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata) {
-
- Network *network = userdata;
- _cleanup_route_free_ Route *n = NULL;
- union in_addr_union buffer;
- int r, f;
-
- assert(filename);
- assert(section);
- assert(lvalue);
- assert(rvalue);
- assert(data);
-
- if (streq(section, "Network")) {
- /* we are not in an Route section, so treat
- * this as the special '0' section */
- section_line = 0;
- }
-
- r = route_new_static(network, section_line, &n);
- if (r < 0)
- return r;
-
- r = in_addr_from_string_auto(rvalue, &f, &buffer);
- if (r < 0) {
- log_syntax(unit, LOG_ERR, filename, line, EINVAL,
- "Route is invalid, ignoring assignment: %s", rvalue);
- return 0;
- }
-
- n->family = f;
- n->in_addr = buffer;
- n = NULL;
-
- return 0;
-}
-
-int config_parse_destination(const char *unit,
- const char *filename,
- unsigned line,
- const char *section,
- unsigned section_line,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata) {
-
- Network *network = userdata;
- _cleanup_route_free_ Route *n = NULL;
- const char *address, *e;
- union in_addr_union buffer;
- unsigned char prefixlen;
- int r, f;
-
- assert(filename);
- assert(section);
- assert(lvalue);
- assert(rvalue);
- assert(data);
-
- r = route_new_static(network, section_line, &n);
- if (r < 0)
- return r;
-
- /* Destination|Source=address/prefixlen */
-
- /* address */
- e = strchr(rvalue, '/');
- if (e)
- address = strndupa(rvalue, e - rvalue);
- else
- address = rvalue;
-
- r = in_addr_from_string_auto(address, &f, &buffer);
- if (r < 0) {
- log_syntax(unit, LOG_ERR, filename, line, EINVAL,
- "Destination is invalid, ignoring assignment: %s", address);
- return 0;
- }
-
- if (f != AF_INET && f != AF_INET6) {
- log_syntax(unit, LOG_ERR, filename, line, EINVAL,
- "Unknown address family, ignoring assignment: %s", address);
- return 0;
- }
-
- /* prefixlen */
- if (e) {
- r = safe_atou8(e + 1, &prefixlen);
- if (r < 0) {
- log_syntax(unit, LOG_ERR, filename, line, EINVAL,
- "Route destination prefix length is invalid, ignoring assignment: %s", e + 1);
- return 0;
- }
- } else {
- switch (f) {
- case AF_INET:
- prefixlen = 32;
- break;
- case AF_INET6:
- prefixlen = 128;
- break;
- }
- }
-
- n->family = f;
- if (streq(lvalue, "Destination")) {
- n->dst_addr = buffer;
- n->dst_prefixlen = prefixlen;
- } else if (streq(lvalue, "Source")) {
- n->src_addr = buffer;
- n->src_prefixlen = prefixlen;
- } else
- assert_not_reached(lvalue);
-
- n = NULL;
-
- return 0;
-}
-
-int config_parse_route_priority(const char *unit,
- const char *filename,
- unsigned line,
- const char *section,
- unsigned section_line,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata) {
- Network *network = userdata;
- _cleanup_route_free_ Route *n = NULL;
- int r;
-
- assert(filename);
- assert(section);
- assert(lvalue);
- assert(rvalue);
- assert(data);
-
- r = route_new_static(network, section_line, &n);
- if (r < 0)
- return r;
-
- r = config_parse_unsigned(unit, filename, line, section,
- section_line, lvalue, ltype,
- rvalue, &n->metrics, userdata);
- if (r < 0)
- return r;
-
- n = NULL;
-
- return 0;
-}
-
-int config_parse_route_scope(const char *unit,
- const char *filename,
- unsigned line,
- const char *section,
- unsigned section_line,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata) {
- Network *network = userdata;
- _cleanup_route_free_ Route *n = NULL;
- int r;
-
- assert(filename);
- assert(section);
- assert(lvalue);
- assert(rvalue);
- assert(data);
-
- r = route_new_static(network, section_line, &n);
- if (r < 0)
- return r;
-
- if (streq(rvalue, "host"))
- n->scope = RT_SCOPE_HOST;
- else if (streq(rvalue, "link"))
- n->scope = RT_SCOPE_LINK;
- else if (streq(rvalue, "global"))
- n->scope = RT_SCOPE_UNIVERSE;
- else {
- log_syntax(unit, LOG_ERR, filename, line, EINVAL,
- "Unknown route scope: %s", rvalue);
- return 0;
- }
-
- n = NULL;
-
- return 0;
-}
+++ /dev/null
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- This file is part of systemd.
-
- Copyright 2014 Lennart Poettering
- Copyright 2014 Tom Gundersen
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-
-#include "sd-network.h"
-
-#include "networkd-wait-online-link.h"
-
-int link_new(Manager *m, Link **ret, int ifindex, const char *ifname) {
- _cleanup_(link_freep) Link *l = NULL;
- int r;
-
- assert(m);
- assert(ifindex > 0);
-
- r = hashmap_ensure_allocated(&m->links, NULL);
- if (r < 0)
- return r;
-
- r = hashmap_ensure_allocated(&m->links_by_name, &string_hash_ops);
- if (r < 0)
- return r;
-
- l = new0(Link, 1);
- if (!l)
- return -ENOMEM;
-
- l->manager = m;
-
- l->ifname = strdup(ifname);
- if (!l->ifname)
- return -ENOMEM;
-
- r = hashmap_put(m->links_by_name, l->ifname, l);
- if (r < 0)
- return r;
-
- l->ifindex = ifindex;
-
- r = hashmap_put(m->links, INT_TO_PTR(ifindex), l);
- if (r < 0)
- return r;
-
- if (ret)
- *ret = l;
- l = NULL;
-
- return 0;
-}
-
-Link *link_free(Link *l) {
-
- if (!l)
- return NULL;
-
- if (l->manager) {
- hashmap_remove(l->manager->links, INT_TO_PTR(l->ifindex));
- hashmap_remove(l->manager->links_by_name, l->ifname);
- }
-
- free(l->ifname);
- free(l);
- return NULL;
- }
-
-int link_update_rtnl(Link *l, sd_rtnl_message *m) {
- const char *ifname;
- int r;
-
- assert(l);
- assert(l->manager);
- assert(m);
-
- r = sd_rtnl_message_link_get_flags(m, &l->flags);
- if (r < 0)
- return r;
-
- r = sd_rtnl_message_read_string(m, IFLA_IFNAME, &ifname);
- if (r < 0)
- return r;
-
- if (!streq(l->ifname, ifname)) {
- char *new_ifname;
-
- new_ifname = strdup(ifname);
- if (!new_ifname)
- return -ENOMEM;
-
- hashmap_remove(l->manager->links_by_name, l->ifname);
- free(l->ifname);
- l->ifname = new_ifname;
-
- r = hashmap_put(l->manager->links_by_name, l->ifname, l);
- if (r < 0)
- return r;
- }
-
- return 0;
-}
-
-int link_update_monitor(Link *l) {
- assert(l);
-
- free(l->operational_state);
- l->operational_state = NULL;
-
- sd_network_link_get_operational_state(l->ifindex, &l->operational_state);
-
- free(l->state);
- l->state = NULL;
-
- sd_network_link_get_setup_state(l->ifindex, &l->state);
-
- return 0;
-}
+++ /dev/null
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-#pragma once
-
-/***
- This file is part of systemd.
-
- Copyright 2014 Lennart Poettering
- Copyright 2014 Tom Gundersen
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-typedef struct Link Link;
-
-#include "networkd-wait-online.h"
-
-struct Link {
- Manager *manager;
-
- int ifindex;
- char *ifname;
- unsigned flags;
-
- char *operational_state;
- char *state;
-};
-
-int link_new(Manager *m, Link **ret, int ifindex, const char *ifname);
-Link *link_free(Link *l);
-int link_update_rtnl(Link *l, sd_rtnl_message *m);
-int link_update_monitor(Link *l);
-bool link_relevant(Link *l);
-
-DEFINE_TRIVIAL_CLEANUP_FUNC(Link*, link_free);
+++ /dev/null
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- This file is part of systemd.
-
- Copyright 2013 Tom Gundersen <teg@jklm.no>
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include <netinet/ether.h>
-#include <linux/if.h>
-#include <fnmatch.h>
-
-#include "rtnl-util.h"
-
-#include "network-internal.h"
-#include "networkd-wait-online-link.h"
-#include "networkd-wait-online.h"
-
-#include "util.h"
-#include "time-util.h"
-
-bool manager_ignore_link(Manager *m, Link *link) {
- char **ignore;
-
- assert(m);
- assert(link);
-
- if (link->flags & IFF_LOOPBACK)
- return true;
-
- STRV_FOREACH(ignore, m->ignore)
- if (fnmatch(*ignore, link->ifname, 0) == 0)
- return true;
-
- return false;
-}
-
-bool manager_all_configured(Manager *m) {
- Iterator i;
- Link *l;
- char **ifname;
- bool one_ready = false;
-
- /* wait for all the links given on the command line to appear */
- STRV_FOREACH(ifname, m->interfaces) {
- l = hashmap_get(m->links_by_name, *ifname);
- if (!l) {
- log_debug("still waiting for %s", *ifname);
- return false;
- }
- }
-
- /* wait for all links networkd manages to be in admin state 'configured'
- and at least one link to gain a carrier */
- HASHMAP_FOREACH(l, m->links, i) {
- if (manager_ignore_link(m, l)) {
- log_info("ignoring: %s", l->ifname);
- continue;
- }
-
- if (!l->state) {
- log_debug("link %s has not yet been processed by udev",
- l->ifname);
- return false;
- }
-
- if (streq(l->state, "configuring")) {
- log_debug("link %s is being processed by networkd",
- l->ifname);
- return false;
- }
-
- if (l->operational_state &&
- STR_IN_SET(l->operational_state, "degraded", "routable"))
- /* we wait for at least one link to be ready,
- regardless of who manages it */
- one_ready = true;
- }
-
- return one_ready;
-}
-
-static int manager_process_link(sd_rtnl *rtnl, sd_rtnl_message *mm, void *userdata) {
- Manager *m = userdata;
- uint16_t type;
- Link *l;
- const char *ifname;
- int ifindex, r;
-
- assert(rtnl);
- assert(m);
- assert(mm);
-
- r = sd_rtnl_message_get_type(mm, &type);
- if (r < 0)
- goto fail;
-
- r = sd_rtnl_message_link_get_ifindex(mm, &ifindex);
- if (r < 0)
- goto fail;
-
- r = sd_rtnl_message_read_string(mm, IFLA_IFNAME, &ifname);
- if (r < 0)
- goto fail;
-
- l = hashmap_get(m->links, INT_TO_PTR(ifindex));
-
- switch (type) {
-
- case RTM_NEWLINK:
- if (!l) {
- log_debug("Found link %i", ifindex);
-
- r = link_new(m, &l, ifindex, ifname);
- if (r < 0)
- goto fail;
-
- r = link_update_monitor(l);
- if (r < 0)
- goto fail;
- }
-
- r = link_update_rtnl(l, mm);
- if (r < 0)
- goto fail;
-
- break;
-
- case RTM_DELLINK:
- if (l) {
- log_debug("Removing link %i", l->ifindex);
- link_free(l);
- }
-
- break;
- }
-
- return 0;
-
-fail:
- log_warning_errno(r, "Failed to process RTNL link message: %m");
- return 0;
-}
-
-static int on_rtnl_event(sd_rtnl *rtnl, sd_rtnl_message *mm, void *userdata) {
- Manager *m = userdata;
- int r;
-
- r = manager_process_link(rtnl, mm, m);
- if (r < 0)
- return r;
-
- if (manager_all_configured(m))
- sd_event_exit(m->event, 0);
-
- return 1;
-}
-
-static int manager_rtnl_listen(Manager *m) {
- _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL, *reply = NULL;
- sd_rtnl_message *i;
- int r;
-
- assert(m);
-
- /* First, subscribe to interfaces coming and going */
- r = sd_rtnl_open(&m->rtnl, 3, RTNLGRP_LINK, RTNLGRP_IPV4_IFADDR, RTNLGRP_IPV6_IFADDR);
- if (r < 0)
- return r;
-
- r = sd_rtnl_attach_event(m->rtnl, m->event, 0);
- if (r < 0)
- return r;
-
- r = sd_rtnl_add_match(m->rtnl, RTM_NEWLINK, on_rtnl_event, m);
- if (r < 0)
- return r;
-
- r = sd_rtnl_add_match(m->rtnl, RTM_DELLINK, on_rtnl_event, m);
- if (r < 0)
- return r;
-
- /* Then, enumerate all links */
- r = sd_rtnl_message_new_link(m->rtnl, &req, RTM_GETLINK, 0);
- if (r < 0)
- return r;
-
- r = sd_rtnl_message_request_dump(req, true);
- if (r < 0)
- return r;
-
- r = sd_rtnl_call(m->rtnl, req, 0, &reply);
- if (r < 0)
- return r;
-
- for (i = reply; i; i = sd_rtnl_message_next(i)) {
- r = manager_process_link(m->rtnl, i, m);
- if (r < 0)
- return r;
- }
-
- return r;
-}
-
-static int on_network_event(sd_event_source *s, int fd, uint32_t revents, void *userdata) {
- Manager *m = userdata;
- Iterator i;
- Link *l;
- int r;
-
- assert(m);
-
- sd_network_monitor_flush(m->network_monitor);
-
- HASHMAP_FOREACH(l, m->links, i) {
- r = link_update_monitor(l);
- if (r < 0)
- log_warning_errno(r, "Failed to update monitor information for %i: %m", l->ifindex);
- }
-
- if (manager_all_configured(m))
- sd_event_exit(m->event, 0);
-
- return 0;
-}
-
-static int manager_network_monitor_listen(Manager *m) {
- int r, fd, events;
-
- assert(m);
-
- r = sd_network_monitor_new(&m->network_monitor, NULL);
- if (r < 0)
- return r;
-
- fd = sd_network_monitor_get_fd(m->network_monitor);
- if (fd < 0)
- return fd;
-
- events = sd_network_monitor_get_events(m->network_monitor);
- if (events < 0)
- return events;
-
- r = sd_event_add_io(m->event, &m->network_monitor_event_source,
- fd, events, &on_network_event, m);
- if (r < 0)
- return r;
-
- return 0;
-}
-
-int manager_new(Manager **ret, char **interfaces, char **ignore, usec_t timeout) {
- _cleanup_(manager_freep) Manager *m = NULL;
- int r;
-
- assert(ret);
-
- m = new0(Manager, 1);
- if (!m)
- return -ENOMEM;
-
- m->interfaces = interfaces;
- m->ignore = ignore;
-
- r = sd_event_default(&m->event);
- if (r < 0)
- return r;
-
- sd_event_add_signal(m->event, NULL, SIGTERM, NULL, NULL);
- sd_event_add_signal(m->event, NULL, SIGINT, NULL, NULL);
-
- if (timeout > 0) {
- usec_t usec;
-
- usec = now(clock_boottime_or_monotonic()) + timeout;
-
- r = sd_event_add_time(m->event, NULL, clock_boottime_or_monotonic(), usec, 0, NULL, INT_TO_PTR(-ETIMEDOUT));
- if (r < 0)
- return r;
- }
-
- sd_event_set_watchdog(m->event, true);
-
- r = manager_network_monitor_listen(m);
- if (r < 0)
- return r;
-
- r = manager_rtnl_listen(m);
- if (r < 0)
- return r;
-
- *ret = m;
- m = NULL;
-
- return 0;
-}
-
-void manager_free(Manager *m) {
- Link *l;
-
- if (!m)
- return;
-
- while ((l = hashmap_first(m->links)))
- link_free(l);
- hashmap_free(m->links);
- hashmap_free(m->links_by_name);
-
- sd_event_source_unref(m->network_monitor_event_source);
- sd_network_monitor_unref(m->network_monitor);
-
- sd_event_source_unref(m->rtnl_event_source);
- sd_rtnl_unref(m->rtnl);
-
- sd_event_unref(m->event);
- free(m);
-
- return;
-}
+++ /dev/null
-
-/***
- This file is part of systemd.
-
- Copyright 2013 Tom Gundersen <teg@jklm.no>
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include <getopt.h>
-
-#include "sd-daemon.h"
-
-#include "networkd-wait-online.h"
-
-#include "strv.h"
-#include "build.h"
-
-static bool arg_quiet = false;
-static usec_t arg_timeout = 120 * USEC_PER_SEC;
-static char **arg_interfaces = NULL;
-static char **arg_ignore = NULL;
-
-static void help(void) {
- printf("%s [OPTIONS...]\n\n"
- "Block until network is configured.\n\n"
- " -h --help Show this help\n"
- " --version Print version string\n"
- " -q --quiet Do not show status information\n"
- " -i --interface=INTERFACE Block until at least these interfaces have appeared\n"
- " --ignore=INTERFACE Don't take these interfaces into account\n"
- " --timeout=SECS Maximum time to wait for network connectivity\n"
- , program_invocation_short_name);
-}
-
-static int parse_argv(int argc, char *argv[]) {
-
- enum {
- ARG_VERSION = 0x100,
- ARG_IGNORE,
- ARG_TIMEOUT,
- };
-
- static const struct option options[] = {
- { "help", no_argument, NULL, 'h' },
- { "version", no_argument, NULL, ARG_VERSION },
- { "quiet", no_argument, NULL, 'q' },
- { "interface", required_argument, NULL, 'i' },
- { "ignore", required_argument, NULL, ARG_IGNORE },
- { "timeout", required_argument, NULL, ARG_TIMEOUT },
- {}
- };
-
- int c, r;
-
- assert(argc >= 0);
- assert(argv);
-
- while ((c = getopt_long(argc, argv, "+hiq", options, NULL)) >= 0)
-
- switch (c) {
-
- case 'h':
- help();
- return 0;
-
- case 'q':
- arg_quiet = true;
- break;
-
- case ARG_VERSION:
- puts(PACKAGE_STRING);
- puts(SYSTEMD_FEATURES);
- return 0;
-
- case 'i':
- if (strv_extend(&arg_interfaces, optarg) < 0)
- return log_oom();
-
- break;
-
- case ARG_IGNORE:
- if (strv_extend(&arg_ignore, optarg) < 0)
- return log_oom();
-
- break;
-
- case ARG_TIMEOUT:
- r = parse_sec(optarg, &arg_timeout);
- if (r < 0)
- return r;
-
- break;
-
- case '?':
- return -EINVAL;
-
- default:
- assert_not_reached("Unhandled option");
- }
-
- return 1;
-}
-
-int main(int argc, char *argv[]) {
- _cleanup_(manager_freep) Manager *m = NULL;
- int r;
-
- log_set_target(LOG_TARGET_AUTO);
- log_parse_environment();
- log_open();
-
- umask(0022);
-
- r = parse_argv(argc, argv);
- if (r <= 0)
- return r;
-
- if (arg_quiet)
- log_set_max_level(LOG_WARNING);
-
- assert_se(sigprocmask_many(SIG_BLOCK, SIGTERM, SIGINT, -1) == 0);
-
- r = manager_new(&m, arg_interfaces, arg_ignore, arg_timeout);
- if (r < 0) {
- log_error_errno(r, "Could not create manager: %m");
- goto finish;
- }
-
- if (manager_all_configured(m)) {
- r = 0;
- goto finish;
- }
-
- sd_notify(false,
- "READY=1\n"
- "STATUS=Waiting for network connections...");
-
- r = sd_event_loop(m->event);
- if (r < 0) {
- log_error_errno(r, "Event loop failed: %m");
- goto finish;
- }
-
-finish:
- strv_free(arg_interfaces);
- strv_free(arg_ignore);
-
- if (r >= 0) {
- sd_notify(false, "STATUS=All interfaces configured...");
-
- return EXIT_SUCCESS;
- } else {
- sd_notify(false, "STATUS=Failed waiting for network connectivity...");
-
- return EXIT_FAILURE;
- }
-}
+++ /dev/null
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- This file is part of systemd.
-
- Copyright 2014 Tom Gundersen <teg@jklm.no>
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#pragma once
-
-#include "sd-event.h"
-#include "sd-rtnl.h"
-#include "sd-network.h"
-
-#include "hashmap.h"
-
-typedef struct Manager Manager;
-
-#include "networkd-wait-online-link.h"
-
-struct Manager {
- Hashmap *links;
- Hashmap *links_by_name;
-
- char **interfaces;
- char **ignore;
-
- sd_rtnl *rtnl;
- sd_event_source *rtnl_event_source;
-
- sd_network_monitor *network_monitor;
- sd_event_source *network_monitor_event_source;
-
- sd_event *event;
-};
-
-void manager_free(Manager *m);
-int manager_new(Manager **ret, char **interfaces, char **ignore, usec_t timeout);
-
-DEFINE_TRIVIAL_CLEANUP_FUNC(Manager*, manager_free);
-
-bool manager_all_configured(Manager *m);
-bool manager_ignore_link(Manager *m, Link *link);
+++ /dev/null
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- This file is part of systemd.
-
- Copyright 2013 Tom Gundersen <teg@jklm.no>
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include "capability.h"
-#include "sd-daemon.h"
-
-#include "networkd.h"
-
-int main(int argc, char *argv[]) {
- _cleanup_manager_free_ Manager *m = NULL;
- const char *user = "systemd-network";
- uid_t uid;
- gid_t gid;
- int r;
-
- log_set_target(LOG_TARGET_AUTO);
- log_parse_environment();
- log_open();
-
- umask(0022);
-
- if (argc != 1) {
- log_error("This program takes no arguments.");
- r = -EINVAL;
- goto out;
- }
-
- r = get_user_creds(&user, &uid, &gid, NULL, NULL);
- if (r < 0) {
- log_error_errno(r, "Cannot resolve user name %s: %m", user);
- goto out;
- }
-
- /* Always create the directories people can create inotify
- * watches in. */
- r = mkdir_safe_label("/run/systemd/netif", 0755, uid, gid);
- if (r < 0)
- log_warning_errno(r, "Could not create runtime directory: %m");
-
- r = mkdir_safe_label("/run/systemd/netif/links", 0755, uid, gid);
- if (r < 0)
- log_warning_errno(r, "Could not create runtime directory 'links': %m");
-
- r = mkdir_safe_label("/run/systemd/netif/leases", 0755, uid, gid);
- if (r < 0)
- log_warning_errno(r, "Could not create runtime directory 'leases': %m");
-
- r = mkdir_safe_label("/run/systemd/netif/lldp", 0755, uid, gid);
- if (r < 0)
- log_warning_errno(r, "Could not create runtime directory 'lldp': %m");
-
- r = drop_privileges(uid, gid,
- (1ULL << CAP_NET_ADMIN) |
- (1ULL << CAP_NET_BIND_SERVICE) |
- (1ULL << CAP_NET_BROADCAST) |
- (1ULL << CAP_NET_RAW));
- if (r < 0)
- goto out;
-
- assert_se(sigprocmask_many(SIG_BLOCK, SIGTERM, SIGINT, -1) == 0);
-
- r = manager_new(&m);
- if (r < 0) {
- log_error_errno(r, "Could not create manager: %m");
- goto out;
- }
-
- r = manager_connect_bus(m);
- if (r < 0) {
- log_error_errno(r, "Could not connect to bus: %m");
- goto out;
- }
-
- r = manager_load_config(m);
- if (r < 0) {
- log_error_errno(r, "Could not load configuration files: %m");
- goto out;
- }
-
- r = manager_rtnl_enumerate_links(m);
- if (r < 0) {
- log_error_errno(r, "Could not enumerate links: %m");
- goto out;
- }
-
- r = manager_rtnl_enumerate_addresses(m);
- if (r < 0) {
- log_error_errno(r, "Could not enumerate links: %m");
- goto out;
- }
-
- log_info("Enumeration completed");
-
- sd_notify(false,
- "READY=1\n"
- "STATUS=Processing requests...");
-
- r = manager_run(m);
- if (r < 0) {
- log_error_errno(r, "Event loop failed: %m");
- goto out;
- }
-
-out:
- sd_notify(false,
- "STOPPING=1\n"
- "STATUS=Shutting down...");
-
- return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
-}
+++ /dev/null
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- This file is part of systemd.
-
- Copyright 2013 Tom Gundersen <teg@jklm.no>
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#pragma once
-
-#include <arpa/inet.h>
-
-#include "sd-event.h"
-#include "sd-rtnl.h"
-#include "sd-bus.h"
-#include "sd-dhcp-client.h"
-#include "sd-dhcp-server.h"
-#include "sd-ipv4ll.h"
-#include "sd-icmp6-nd.h"
-#include "sd-dhcp6-client.h"
-#include "udev.h"
-#include "sd-lldp.h"
-
-#include "rtnl-util.h"
-#include "hashmap.h"
-#include "list.h"
-#include "set.h"
-#include "condition.h"
-#include "in-addr-util.h"
-
-#define CACHE_INFO_INFINITY_LIFE_TIME 0xFFFFFFFFU
-#define DHCP_ROUTE_METRIC 1024
-#define IPV4LL_ROUTE_METRIC 2048
-
-typedef struct NetDev NetDev;
-typedef struct Network Network;
-typedef struct Link Link;
-typedef struct Address Address;
-typedef struct Route Route;
-typedef struct Manager Manager;
-typedef struct AddressPool AddressPool;
-typedef struct FdbEntry FdbEntry;
-
-typedef enum AddressFamilyBoolean {
- /* This is a bitmask, though it usually doesn't feel that way! */
- ADDRESS_FAMILY_NO = 0,
- ADDRESS_FAMILY_IPV4 = 1,
- ADDRESS_FAMILY_IPV6 = 2,
- ADDRESS_FAMILY_YES = 3,
- _ADDRESS_FAMILY_BOOLEAN_MAX,
- _ADDRESS_FAMILY_BOOLEAN_INVALID = -1,
-} AddressFamilyBoolean;
-
-typedef enum LLMNRSupport {
- LLMNR_SUPPORT_NO,
- LLMNR_SUPPORT_YES,
- LLMNR_SUPPORT_RESOLVE,
- _LLMNR_SUPPORT_MAX,
- _LLMNR_SUPPORT_INVALID = -1,
-} LLMNRSupport;
-
-typedef enum LinkOperationalState {
- LINK_OPERSTATE_OFF,
- LINK_OPERSTATE_NO_CARRIER,
- LINK_OPERSTATE_DORMANT,
- LINK_OPERSTATE_CARRIER,
- LINK_OPERSTATE_DEGRADED,
- LINK_OPERSTATE_ROUTABLE,
- _LINK_OPERSTATE_MAX,
- _LINK_OPERSTATE_INVALID = -1
-} LinkOperationalState;
-
-typedef enum DCHPClientIdentifier {
- DHCP_CLIENT_ID_MAC,
- DHCP_CLIENT_ID_DUID,
- _DHCP_CLIENT_ID_MAX,
- _DHCP_CLIENT_ID_INVALID = -1,
-} DCHPClientIdentifier;
-
-struct FdbEntry {
- Network *network;
- unsigned section;
-
- struct ether_addr *mac_addr;
- uint16_t vlan_id;
-
- LIST_FIELDS(FdbEntry, static_fdb_entries);
-};
-
-struct Network {
- Manager *manager;
-
- char *filename;
- char *name;
-
- struct ether_addr *match_mac;
- char **match_path;
- char **match_driver;
- char **match_type;
- char **match_name;
-
- Condition *match_host;
- Condition *match_virt;
- Condition *match_kernel;
- Condition *match_arch;
-
- char *description;
- NetDev *bridge;
- NetDev *bond;
- Hashmap *stacked_netdevs;
- AddressFamilyBoolean dhcp;
- DCHPClientIdentifier dhcp_client_identifier;
- char *dhcp_vendor_class_identifier;
- bool dhcp_dns;
- bool dhcp_ntp;
- bool dhcp_mtu;
- bool dhcp_hostname;
- bool dhcp_domains;
- bool dhcp_sendhost;
- bool dhcp_broadcast;
- bool dhcp_critical;
- bool dhcp_routes;
- unsigned dhcp_route_metric;
- AddressFamilyBoolean link_local;
- bool ipv4ll_route;
- union in_addr_union ipv6_token;
-
- bool dhcp_server;
-
- unsigned cost;
-
- AddressFamilyBoolean ip_forward;
- bool ip_masquerade;
-
- struct ether_addr *mac;
- unsigned mtu;
-
- bool lldp;
-
- LIST_HEAD(Address, static_addresses);
- LIST_HEAD(Route, static_routes);
- LIST_HEAD(FdbEntry, static_fdb_entries);
-
- Hashmap *addresses_by_section;
- Hashmap *routes_by_section;
- Hashmap *fdb_entries_by_section;
-
- bool wildcard_domain;
- char **domains, **dns, **ntp, **bind_carrier;
-
- LLMNRSupport llmnr;
-
- LIST_FIELDS(Network, networks);
-};
-
-struct Address {
- Network *network;
- unsigned section;
-
- int family;
- unsigned char prefixlen;
- unsigned char scope;
- uint32_t flags;
- char *label;
-
- struct in_addr broadcast;
- struct ifa_cacheinfo cinfo;
-
- union in_addr_union in_addr;
- union in_addr_union in_addr_peer;
-
- bool ip_masquerade_done;
-
- LIST_FIELDS(Address, addresses);
-};
-
-struct Route {
- Network *network;
- unsigned section;
-
- int family;
- unsigned char dst_prefixlen;
- unsigned char src_prefixlen;
- unsigned char scope;
- uint32_t metrics;
- unsigned char protocol; /* RTPROT_* */
-
- union in_addr_union in_addr;
- union in_addr_union dst_addr;
- union in_addr_union src_addr;
- union in_addr_union prefsrc_addr;
-
- LIST_FIELDS(Route, routes);
-};
-
-struct AddressPool {
- Manager *manager;
-
- int family;
- unsigned prefixlen;
-
- union in_addr_union in_addr;
-
- LIST_FIELDS(AddressPool, address_pools);
-};
-
-struct Manager {
- sd_rtnl *rtnl;
- sd_event *event;
- sd_event_source *bus_retry_event_source;
- sd_bus *bus;
- sd_bus_slot *prepare_for_sleep_slot;
- struct udev *udev;
- struct udev_monitor *udev_monitor;
- sd_event_source *udev_event_source;
-
- bool enumerating;
-
- char *state_file;
- LinkOperationalState operational_state;
-
- Hashmap *links;
- Hashmap *netdevs;
- Hashmap *networks_by_name;
- LIST_HEAD(Network, networks);
- LIST_HEAD(AddressPool, address_pools);
-
- usec_t network_dirs_ts_usec;
-};
-
-extern const char* const network_dirs[];
-
-/* Manager */
-
-extern const sd_bus_vtable manager_vtable[];
-
-int manager_new(Manager **ret);
-void manager_free(Manager *m);
-
-int manager_connect_bus(Manager *m);
-int manager_run(Manager *m);
-
-int manager_load_config(Manager *m);
-bool manager_should_reload(Manager *m);
-
-int manager_rtnl_enumerate_links(Manager *m);
-int manager_rtnl_enumerate_addresses(Manager *m);
-
-int manager_send_changed(Manager *m, const char *property, ...) _sentinel_;
-int manager_save(Manager *m);
-
-int manager_address_pool_acquire(Manager *m, int family, unsigned prefixlen, union in_addr_union *found);
-
-DEFINE_TRIVIAL_CLEANUP_FUNC(Manager*, manager_free);
-#define _cleanup_manager_free_ _cleanup_(manager_freep)
-
-/* Network */
-
-int network_load(Manager *manager);
-
-void network_free(Network *network);
-
-DEFINE_TRIVIAL_CLEANUP_FUNC(Network*, network_free);
-#define _cleanup_network_free_ _cleanup_(network_freep)
-
-int network_get_by_name(Manager *manager, const char *name, Network **ret);
-int network_get(Manager *manager, struct udev_device *device,
- const char *ifname, const struct ether_addr *mac,
- Network **ret);
-int network_apply(Manager *manager, Network *network, Link *link);
-
-int config_parse_netdev(const char *unit, const char *filename, unsigned line,
- const char *section, unsigned section_line, const char *lvalue,
- int ltype, const char *rvalue, void *data, void *userdata);
-
-int config_parse_domains(const char *unit,
- const char *filename,
- unsigned line,
- const char *section,
- unsigned section_line,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata);
-
-int config_parse_tunnel(const char *unit,
- const char *filename,
- unsigned line,
- const char *section,
- unsigned section_line,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata);
-
-int config_parse_tunnel_address(const char *unit,
- const char *filename,
- unsigned line,
- const char *section,
- unsigned section_line,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata);
-
-int config_parse_vxlan_group_address(const char *unit,
- const char *filename,
- unsigned line,
- const char *section,
- unsigned section_line,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata);
-
-extern const sd_bus_vtable network_vtable[];
-
-int network_node_enumerator(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error);
-int network_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error);
-
-/* gperf */
-const struct ConfigPerfItem* network_network_gperf_lookup(const char *key, unsigned length);
-
-/* Route */
-int route_new_static(Network *network, unsigned section, Route **ret);
-int route_new_dynamic(Route **ret, unsigned char rtm_protocol);
-void route_free(Route *route);
-int route_configure(Route *route, Link *link, sd_rtnl_message_handler_t callback);
-int route_drop(Route *route, Link *link, sd_rtnl_message_handler_t callback);
-
-
-DEFINE_TRIVIAL_CLEANUP_FUNC(Route*, route_free);
-#define _cleanup_route_free_ _cleanup_(route_freep)
-
-int config_parse_gateway(const char *unit, const char *filename, unsigned line,
- const char *section, unsigned section_line, const char *lvalue,
- int ltype, const char *rvalue, void *data, void *userdata);
-
-int config_parse_destination(const char *unit, const char *filename, unsigned line,
- const char *section, unsigned section_line, const char *lvalue,
- int ltype, const char *rvalue, void *data, void *userdata);
-
-int config_parse_route_priority(const char *unit, const char *filename, unsigned line,
- const char *section, unsigned section_line, const char *lvalue,
- int ltype, const char *rvalue, void *data, void *userdata);
-
-int config_parse_route_scope(const char *unit, const char *filename, unsigned line,
- const char *section, unsigned section_line, const char *lvalue,
- int ltype, const char *rvalue, void *data, void *userdata);
-/* Address */
-int address_new_static(Network *network, unsigned section, Address **ret);
-int address_new_dynamic(Address **ret);
-void address_free(Address *address);
-int address_configure(Address *address, Link *link, sd_rtnl_message_handler_t callback);
-int address_update(Address *address, Link *link, sd_rtnl_message_handler_t callback);
-int address_drop(Address *address, Link *link, sd_rtnl_message_handler_t callback);
-int address_establish(Address *address, Link *link);
-int address_release(Address *address, Link *link);
-bool address_equal(Address *a1, Address *a2);
-
-DEFINE_TRIVIAL_CLEANUP_FUNC(Address*, address_free);
-#define _cleanup_address_free_ _cleanup_(address_freep)
-
-int config_parse_address(const char *unit, const char *filename, unsigned line,
- const char *section, unsigned section_line, const char *lvalue,
- int ltype, const char *rvalue, void *data, void *userdata);
-
-int config_parse_broadcast(const char *unit, const char *filename, unsigned line,
- const char *section, unsigned section_line, const char *lvalue,
- int ltype, const char *rvalue, void *data, void *userdata);
-
-int config_parse_label(const char *unit, const char *filename, unsigned line,
- const char *section, unsigned section_line, const char *lvalue,
- int ltype, const char *rvalue, void *data, void *userdata);
-
-/* Forwarding database table. */
-int fdb_entry_configure(Link *const link, FdbEntry *const fdb_entry);
-void fdb_entry_free(FdbEntry *fdb_entry);
-int fdb_entry_new_static(Network *const network, const unsigned section, FdbEntry **ret);
-
-DEFINE_TRIVIAL_CLEANUP_FUNC(FdbEntry*, fdb_entry_free);
-#define _cleanup_fdbentry_free_ _cleanup_(fdb_entry_freep)
-
-int config_parse_fdb_hwaddr(const char *unit, const char *filename, unsigned line,
- const char *section, unsigned section_line, const char *lvalue,
- int ltype, const char *rvalue, void *data, void *userdata);
-
-int config_parse_fdb_vlan_id(const char *unit, const char *filename, unsigned line,
- const char *section, unsigned section_line, const char *lvalue,
- int ltype, const char *rvalue, void *data, void *userdata);
-
-/* DHCP support */
-
-int config_parse_dhcp(const char *unit, const char *filename, unsigned line,
- const char *section, unsigned section_line, const char *lvalue,
- int ltype, const char *rvalue, void *data, void *userdata);
-int config_parse_dhcp_client_identifier(const char *unit, const char *filename, unsigned line,
- const char *section, unsigned section_line, const char *lvalue,
- int ltype, const char *rvalue, void *data, void *userdata);
-
-/* IPv4LL support (legacy) */
-
-int config_parse_ipv4ll(const char *unit, const char *filename, unsigned line,
- const char *section, unsigned section_line, const char *lvalue,
- int ltype, const char *rvalue, void *data, void *userdata);
-
-/* IPv6 support */
-int config_parse_ipv6token(const char *unit, const char *filename, unsigned line,
- const char *section, unsigned section_line, const char *lvalue,
- int ltype, const char *rvalue, void *data, void *userdata);
-
-/* LLMNR support */
-
-const char* llmnr_support_to_string(LLMNRSupport i) _const_;
-LLMNRSupport llmnr_support_from_string(const char *s) _pure_;
-
-int config_parse_llmnr(const char *unit, const char *filename, unsigned line,
- const char *section, unsigned section_line, const char *lvalue,
- int ltype, const char *rvalue, void *data, void *userdata);
-
-/* Address Pool */
-
-int address_pool_new(Manager *m, AddressPool **ret, int family, const union in_addr_union *u, unsigned prefixlen);
-int address_pool_new_from_string(Manager *m, AddressPool **ret, int family, const char *p, unsigned prefixlen);
-void address_pool_free(AddressPool *p);
-
-int address_pool_acquire(AddressPool *p, unsigned prefixlen, union in_addr_union *found);
-
-const char *address_family_boolean_to_string(AddressFamilyBoolean b) _const_;
-AddressFamilyBoolean address_family_boolean_from_string(const char *s) _const_;
-
-int config_parse_address_family_boolean(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);
-
-/* Opeartional State */
-
-const char* link_operstate_to_string(LinkOperationalState s) _const_;
-LinkOperationalState link_operstate_from_string(const char *s) _pure_;
+++ /dev/null
-<?xml version="1.0"?> <!--*-nxml-*-->
-<!DOCTYPE busconfig PUBLIC "-//freedesktop//DTD D-BUS Bus Configuration 1.0//EN"
- "http://www.freedesktop.org/standards/dbus/1.0/busconfig.dtd">
-
-<!--
- This file is part of systemd.
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
--->
-
-<busconfig>
-
- <policy user="systemd-network">
- <allow own="org.freedesktop.network1"/>
- <allow send_destination="org.freedesktop.network1"/>
- <allow receive_sender="org.freedesktop.network1"/>
- </policy>
-
- <policy context="default">
- <deny send_destination="org.freedesktop.network1"/>
-
- <allow send_destination="org.freedesktop.network1"
- send_interface="org.freedesktop.DBus.Introspectable"/>
-
- <allow send_destination="org.freedesktop.network1"
- send_interface="org.freedesktop.DBus.Peer"/>
-
- <allow send_destination="org.freedesktop.network1"
- send_interface="org.freedesktop.DBus.Properties"
- send_member="Get"/>
-
- <allow send_destination="org.freedesktop.network1"
- send_interface="org.freedesktop.DBus.Properties"
- send_member="GetAll"/>
-
- <allow receive_sender="org.freedesktop.network1"/>
- </policy>
-
-</busconfig>
+++ /dev/null
-# This file is part of systemd.
-#
-# systemd is free software; you can redistribute it and/or modify it
-# under the terms of the GNU Lesser General Public License as published by
-# the Free Software Foundation; either version 2.1 of the License, or
-# (at your option) any later version.
-
-[D-BUS Service]
-Name=org.freedesktop.network1
-Exec=/bin/false
-User=root
-SystemdService=dbus-org.freedesktop.network1.service
+++ /dev/null
-#include "networkd.h"
-#include "networkd-netdev-bond.h"
-#include "networkd-netdev-macvlan.h"
-#include "dhcp6-internal.h"
-#include "dhcp6-protocol.h"
-#include "rtnl-internal.h"
-#include "ethtool-util.h"
-
-#include "test-tables.h"
-
-int main(int argc, char **argv) {
- test_table(bond_mode, NETDEV_BOND_MODE);
- /* test_table(link_state, LINK_STATE); -- not a reversible mapping */
- test_table(link_operstate, LINK_OPERSTATE);
- test_table(address_family_boolean, ADDRESS_FAMILY_BOOLEAN);
- test_table(netdev_kind, NETDEV_KIND);
- test_table(dhcp6_message_status, DHCP6_STATUS);
- test_table(duplex, DUP);
- test_table(wol, WOL);
- test_table(nl_union_link_info_data, NL_UNION_LINK_INFO_DATA);
-
- test_table_sparse(macvlan_mode, NETDEV_MACVLAN_MODE);
- test_table_sparse(ipvlan_mode, NETDEV_IPVLAN_MODE);
- test_table_sparse(dhcp6_message_type, DHCP6_MESSAGE);
-
- return EXIT_SUCCESS;
-}
+++ /dev/null
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- This file is part of systemd.
-
- Copyright 2013 Tom Gundersen <teg@jklm.no>
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include "networkd.h"
-#include "network-internal.h"
-#include "dhcp-lease-internal.h"
-
-static void test_deserialize_in_addr(void) {
- _cleanup_free_ struct in_addr *addresses = NULL;
- _cleanup_free_ struct in6_addr *addresses6 = NULL;
- struct in_addr a, b, c;
- struct in6_addr d, e, f;
- int size;
- const char *addresses_string = "192.168.0.1 0:0:0:0:0:FFFF:204.152.189.116 192.168.0.2 ::1 192.168.0.3 1:0:0:0:0:0:0:8";
-
- assert_se(inet_pton(AF_INET, "0:0:0:0:0:FFFF:204.152.189.116", &a) == 0);
- assert_se(inet_pton(AF_INET6, "192.168.0.1", &d) == 0);
-
- assert_se(inet_pton(AF_INET, "192.168.0.1", &a) == 1);
- assert_se(inet_pton(AF_INET, "192.168.0.2", &b) == 1);
- assert_se(inet_pton(AF_INET, "192.168.0.3", &c) == 1);
- assert_se(inet_pton(AF_INET6, "0:0:0:0:0:FFFF:204.152.189.116", &d) == 1);
- assert_se(inet_pton(AF_INET6, "::1", &e) == 1);
- assert_se(inet_pton(AF_INET6, "1:0:0:0:0:0:0:8", &f) == 1);
-
- assert_se((size = deserialize_in_addrs(&addresses, addresses_string)) >= 0);
- assert_se(size == 3);
- assert_se(!memcmp(&a, &addresses[0], sizeof(struct in_addr)));
- assert_se(!memcmp(&b, &addresses[1], sizeof(struct in_addr)));
- assert_se(!memcmp(&c, &addresses[2], sizeof(struct in_addr)));
-
- assert_se((size = deserialize_in6_addrs(&addresses6, addresses_string)) >= 0);
- assert_se(size == 3);
- assert_se(!memcmp(&d, &addresses6[0], sizeof(struct in6_addr)));
- assert_se(!memcmp(&e, &addresses6[1], sizeof(struct in6_addr)));
- assert_se(!memcmp(&f, &addresses6[2], sizeof(struct in6_addr)));
-}
-
-static void test_deserialize_dhcp_routes(void) {
- size_t size, allocated;
-
- {
- _cleanup_free_ struct sd_dhcp_route *routes = NULL;
- assert_se(deserialize_dhcp_routes(&routes, &size, &allocated, "") >= 0);
- assert_se(size == 0);
- }
-
- {
- /* no errors */
- _cleanup_free_ struct sd_dhcp_route *routes = NULL;
- const char *routes_string = "192.168.0.0/16,192.168.0.1 10.1.2.0/24,10.1.2.1 0.0.0.0/0,10.0.1.1";
-
- assert_se(deserialize_dhcp_routes(&routes, &size, &allocated, routes_string) >= 0);
-
- assert_se(size == 3);
- assert_se(routes[0].dst_addr.s_addr == inet_addr("192.168.0.0"));
- assert_se(routes[0].gw_addr.s_addr == inet_addr("192.168.0.1"));
- assert_se(routes[0].dst_prefixlen == 16);
-
- assert_se(routes[1].dst_addr.s_addr == inet_addr("10.1.2.0"));
- assert_se(routes[1].gw_addr.s_addr == inet_addr("10.1.2.1"));
- assert_se(routes[1].dst_prefixlen == 24);
-
- assert_se(routes[2].dst_addr.s_addr == inet_addr("0.0.0.0"));
- assert_se(routes[2].gw_addr.s_addr == inet_addr("10.0.1.1"));
- assert_se(routes[2].dst_prefixlen == 0);
- }
-
- {
- /* error in second word */
- _cleanup_free_ struct sd_dhcp_route *routes = NULL;
- const char *routes_string = "192.168.0.0/16,192.168.0.1 10.1.2.0#24,10.1.2.1 0.0.0.0/0,10.0.1.1";
-
- assert_se(deserialize_dhcp_routes(&routes, &size, &allocated, routes_string) >= 0);
-
- assert_se(size == 2);
- assert_se(routes[0].dst_addr.s_addr == inet_addr("192.168.0.0"));
- assert_se(routes[0].gw_addr.s_addr == inet_addr("192.168.0.1"));
- assert_se(routes[0].dst_prefixlen == 16);
-
- assert_se(routes[1].dst_addr.s_addr == inet_addr("0.0.0.0"));
- assert_se(routes[1].gw_addr.s_addr == inet_addr("10.0.1.1"));
- assert_se(routes[1].dst_prefixlen == 0);
- }
-
- {
- /* error in every word */
- _cleanup_free_ struct sd_dhcp_route *routes = NULL;
- const char *routes_string = "192.168.0.0/55,192.168.0.1 10.1.2.0#24,10.1.2.1 0.0.0.0/0,10.0.1.X";
-
- assert_se(deserialize_dhcp_routes(&routes, &size, &allocated, routes_string) >= 0);
- assert_se(size == 0);
- }
-}
-
-static int test_load_config(Manager *manager) {
- int r;
-/* TODO: should_reload, is false if the config dirs do not exist, so
- * so we can't do this test here, move it to a test for paths_check_timestamps
- * directly
- *
- * assert_se(network_should_reload(manager) == true);
-*/
-
- r = manager_load_config(manager);
- if (r == -EPERM)
- return r;
- assert_se(r >= 0);
-
- assert_se(manager_should_reload(manager) == false);
-
- return 0;
-}
-
-static void test_network_get(Manager *manager, struct udev_device *loopback) {
- Network *network;
- const struct ether_addr mac = {};
-
- /* let's assume that the test machine does not have a .network file
- that applies to the loopback device... */
- assert_se(network_get(manager, loopback, "lo", &mac, &network) == -ENOENT);
- assert_se(!network);
-}
-
-static void test_address_equality(void) {
- _cleanup_address_free_ Address *a1 = NULL, *a2 = NULL;
-
- assert_se(address_new_dynamic(&a1) >= 0);
- assert_se(address_new_dynamic(&a2) >= 0);
-
- assert_se(address_equal(NULL, NULL));
- assert_se(!address_equal(a1, NULL));
- assert_se(!address_equal(NULL, a2));
- assert_se(address_equal(a1, a2));
-
- a1->family = AF_INET;
- assert_se(!address_equal(a1, a2));
-
- a2->family = AF_INET;
- assert_se(address_equal(a1, a2));
-
- assert_se(inet_pton(AF_INET, "192.168.3.9", &a1->in_addr.in));
- assert_se(address_equal(a1, a2));
- assert_se(inet_pton(AF_INET, "192.168.3.9", &a2->in_addr.in));
- assert_se(address_equal(a1, a2));
- a1->prefixlen = 10;
- assert_se(!address_equal(a1, a2));
- a2->prefixlen = 10;
- assert_se(address_equal(a1, a2));
-
- assert_se(inet_pton(AF_INET, "192.168.3.10", &a2->in_addr.in));
- assert_se(address_equal(a1, a2));
-
- a1->family = AF_INET6;
- assert_se(!address_equal(a1, a2));
-
- a2->family = AF_INET6;
- assert_se(inet_pton(AF_INET6, "2001:4ca0:4f01::2", &a1->in_addr.in6));
- assert_se(inet_pton(AF_INET6, "2001:4ca0:4f01::2", &a2->in_addr.in6));
- assert_se(address_equal(a1, a2));
-
- a2->prefixlen = 8;
- assert_se(address_equal(a1, a2));
-
- assert_se(inet_pton(AF_INET6, "2001:4ca0:4f01::1", &a2->in_addr.in6));
- assert_se(!address_equal(a1, a2));
-}
-
-int main(void) {
- _cleanup_manager_free_ Manager *manager = NULL;
- struct udev *udev;
- struct udev_device *loopback;
- int r;
-
- test_deserialize_in_addr();
- test_deserialize_dhcp_routes();
- test_address_equality();
-
- assert_se(manager_new(&manager) >= 0);
-
- r = test_load_config(manager);
- if (r == -EPERM)
- return EXIT_TEST_SKIP;
-
- udev = udev_new();
- assert_se(udev);
-
- loopback = udev_device_new_from_syspath(udev, "/sys/class/net/lo");
- assert_se(loopback);
- assert_se(udev_device_get_ifindex(loopback) == 1);
-
- test_network_get(manager, loopback);
-
- assert_se(manager_rtnl_enumerate_links(manager) >= 0);
-
- udev_device_unref(loopback);
- udev_unref(udev);
-}
~ianmdlvl / elogind.git / commitdiff