#include "udev-util.h"
#include "arphrd-list.h"
#include "local-addresses.h"
+#include "socket-util.h"
+#include "ether-addr-util.h"
static bool arg_no_pager = false;
static bool arg_legend = true;
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(char **args, unsigned n) {
_cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL, *reply = NULL;
_cleanup_udev_unref_ struct udev *udev = NULL;
_cleanup_rtnl_unref_ sd_rtnl *rtnl = NULL;
- sd_rtnl_message *i;
- unsigned c = 0;
- int r;
+ _cleanup_free_ LinkInfo *links = NULL;
+ int r, c, i;
pager_open_if_enabled();
r = sd_rtnl_open(&rtnl, 0);
- if (r < 0) {
- log_error("Failed to connect to netlink: %s", strerror(-r));
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to connect to netlink: %m");
udev = udev_new();
- if (!udev) {
- log_error("Failed to connect to udev: %m");
- return -errno;
- }
+ if (!udev)
+ return log_error_errno(errno, "Failed to connect to udev: %m");
r = sd_rtnl_message_new_link(rtnl, &req, RTM_GETLINK, 0);
if (r < 0)
return rtnl_log_create_error(r);
r = sd_rtnl_call(rtnl, req, 0, &reply);
- if (r < 0) {
- log_error("Failed to enumerate links: %s", strerror(-r));
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to enumerate links: %m");
if (arg_legend)
- printf("%3s %-16s %-10s %-10s %-10s\n", "IDX", "LINK", "TYPE", "STATE", "OPERATIONAL");
+ 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 = reply; i; i = sd_rtnl_message_next(i)) {
- _cleanup_free_ char *state = NULL, *operational_state = NULL;
+ for (i = 0; i < c; i++) {
+ _cleanup_free_ char *setup_state = NULL, *operational_state = NULL;
_cleanup_udev_device_unref_ struct udev_device *d = NULL;
- char devid[2 + DECIMAL_STR_MAX(int)];
+ 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;
- const char *name;
- unsigned iftype;
+
+ 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);
+ d = udev_device_new_from_device_id(udev, 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(struct udev_hwdb *hwdb, struct ether_addr *mac, char **ret) {
+ struct udev_list_entry *entry;
+ char *description;
+ char str[strlen("OUI:XXYYXXYYXXYY") + 1];
+
+ /* skip commonly misused 00:00:00 (Xerox) prefix */
+ if (memcmp(mac, "\0\0\0", 3) == 0)
+ return -EINVAL;
+
+ snprintf(str, sizeof(str), "OUI:" ETHER_ADDR_FORMAT_STR, ETHER_ADDR_FORMAT_VAL(*mac));
+
+ udev_list_entry_foreach(entry, udev_hwdb_get_properties_list_entry(hwdb, str, 0))
+ if (strcmp(udev_list_entry_get_name(entry), "ID_OUI_FROM_DATABASE") == 0) {
+ description = strdup(udev_list_entry_get_value(entry));
+ if (!description)
+ return -ENOMEM;
+
+ *ret = description;
+ return 0;
+ }
+
+ return -ENODATA;
+}
+
+static int get_gateway_description(sd_rtnl *rtnl, struct udev_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 ifindex;
+ int ifi, fam;
- r = sd_rtnl_message_get_type(i, &type);
- if (r < 0)
- return rtnl_log_parse_error(r);
+ r = sd_rtnl_message_get_errno(m);
+ if (r < 0) {
+ log_error_errno(r, "got error: %m");
+ continue;
+ }
- if (type != RTM_NEWLINK)
+ r = sd_rtnl_message_get_type(m, &type);
+ if (r < 0) {
+ log_error_errno(r, "could not get type: %m");
continue;
+ }
- r = sd_rtnl_message_link_get_ifindex(i, &ifindex);
- if (r < 0)
- return rtnl_log_parse_error(r);
+ if (type != RTM_NEWNEIGH) {
+ log_error("type is not RTM_NEWNEIGH");
+ continue;
+ }
- r = sd_rtnl_message_read_string(i, IFLA_IFNAME, &name);
+ 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)
- return rtnl_log_parse_error(r);
+ continue;
- r = sd_rtnl_message_link_get_type(i, &iftype);
+ r = ieee_oui(hwdb, &mac, gateway_description);
if (r < 0)
- return rtnl_log_parse_error(r);
+ continue;
+
+ return 0;
+ }
- sd_network_get_link_state(ifindex, &state);
- sd_network_get_link_operational_state(ifindex, &operational_state);
+ return -ENODATA;
+}
- sprintf(devid, "n%i", ifindex);
- d = udev_device_new_from_device_id(udev, devid);
+static int dump_gateways(sd_rtnl *rtnl, struct udev_hwdb *hwdb, const char *prefix, int ifindex) {
+ _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL, *reply = NULL;
+ sd_rtnl_message *m;
+ bool first = true;
+ int r;
- link_get_type_string(iftype, d, &t);
+ assert(rtnl);
+ assert(ifindex >= 0);
- printf("%3i %-16s %-10s %-10s %-10s\n", ifindex, name, strna(t), strna(state), strna(operational_state));
- c++;
- }
+ r = sd_rtnl_message_new_route(rtnl, &req, RTM_GETROUTE, AF_UNSPEC, RTPROT_UNSPEC);
+ if (r < 0)
+ return r;
- if (arg_legend)
- printf("\n%u links listed.\n", c);
+ 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)) {
+ _cleanup_free_ char *gateway = NULL, *gateway_description = NULL;
+ union in_addr_union gw = {};
+ uint16_t type;
+ uint32_t ifi;
+ int family;
+
+ 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_NEWROUTE) {
+ log_error("type is not RTM_NEWROUTE");
+ continue;
+ }
+
+ r = sd_rtnl_message_route_get_family(m, &family);
+ if (r < 0) {
+ log_error_errno(r, "could not get family: %m");
+ continue;
+ }
+
+ r = sd_rtnl_message_read_u32(m, RTA_OIF, &ifi);
+ if (r < 0) {
+ log_error_errno(r, "could not get RTA_OIF: %m");
+ continue;
+ }
+
+ if (ifindex > 0 && ifi != (unsigned) ifindex)
+ continue;
+
+ switch (family) {
+ case AF_INET:
+ r = sd_rtnl_message_read_in_addr(m, RTA_GATEWAY, &gw.in);
+ if (r < 0)
+ continue;
+
+ r = sd_rtnl_message_read_in_addr(m, RTA_DST, NULL);
+ if (r >= 0)
+ continue;
+
+ r = sd_rtnl_message_read_in_addr(m, RTA_SRC, NULL);
+ if (r >= 0)
+ continue;
+
+ break;
+ case AF_INET6:
+ r = sd_rtnl_message_read_in6_addr(m, RTA_GATEWAY, &gw.in6);
+ if (r < 0)
+ continue;
+
+ r = sd_rtnl_message_read_in6_addr(m, RTA_DST, NULL);
+ if (r >= 0)
+ continue;
+
+ r = sd_rtnl_message_read_in6_addr(m, RTA_SRC, NULL);
+ if (r >= 0)
+ continue;
+
+ break;
+ default:
+ continue;
+ }
+
+ r = in_addr_to_string(family, &gw, &gateway);
+ if (r < 0)
+ continue;
+
+ r = get_gateway_description(rtnl, hwdb, ifi, family, &gw, &gateway_description);
+ if (r < 0)
+ log_debug("could not get description of gateway: %s", strerror(-r));
+
+ if (gateway_description)
+ printf("%*s%s (%s)\n",
+ (int) strlen(prefix),
+ first ? prefix : "",
+ gateway, gateway_description);
+ else
+ printf("%*s%s\n",
+ (int) strlen(prefix),
+ first ? prefix : "",
+ gateway);
+
+ first = false;
+ }
return 0;
}
_cleanup_free_ struct local_address *local = NULL;
int r, n, i;
- n = local_addresses(rtnl, ifindex, &local);
+ n = local_addresses(rtnl, ifindex, AF_UNSPEC, &local);
if (n < 0)
return n;
}
static int link_status_one(sd_rtnl *rtnl, struct udev *udev, const char *name) {
- _cleanup_strv_free_ char **dns = NULL, **ntp = NULL;
- _cleanup_free_ char *state = NULL, *operational_state = NULL;
+ _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_udev_device_unref_ struct udev_device *d = NULL;
+ _cleanup_udev_hwdb_unref_ struct udev_hwdb *hwdb = NULL;
char devid[2 + DECIMAL_STR_MAX(int)];
- _cleanup_free_ char *t = NULL;
- const char *driver = NULL, *path = NULL, *vendor = NULL, *model = NULL;
+ _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;
struct ether_addr e;
unsigned iftype;
int r, ifindex;
return rtnl_log_create_error(r);
r = sd_rtnl_call(rtnl, req, 0, &reply);
- if (r < 0) {
- log_error("Failed to query link: %s", strerror(-r));
- return r;
- }
+ 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)
sd_rtnl_message_read_u32(reply, IFLA_MTU, &mtu);
- sd_network_get_link_state(ifindex, &state);
- sd_network_get_link_operational_state(ifindex, &operational_state);
+ 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_get_link_dns(ifindex, &dns);
- sd_network_get_link_ntp(ifindex, &ntp);
+ 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);
d = udev_device_new_from_device_id(udev, devid);
link_get_type_string(iftype, d, &t);
if (d) {
+ link = udev_device_get_property_value(d, "ID_NET_LINK_FILE");
driver = udev_device_get_property_value(d, "ID_NET_DRIVER");
path = udev_device_get_property_value(d, "ID_PATH");
model = udev_device_get_property_value(d, "ID_MODEL");
}
- printf("%i: %s\n", ifindex, name);
+ sd_network_link_get_network_file(ifindex, &network);
+
+ printf("%s%s%s %i: %s\n", on_color_operational, draw_special_char(DRAW_BLACK_CIRCLE), off_color_operational, ifindex, name);
- printf(" Type: %s\n"
- " State: %s (%s)\n",
+ 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),
- strna(operational_state),
- strna(state));
+ 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 (model)
printf(" Model: %s\n", model);
- if (have_mac)
- printf(" HW Address: %s\n", ether_ntoa(&e));
+ if (have_mac) {
+ char ea[ETHER_ADDR_TO_STRING_MAX];
+ printf(" HW Address: %s\n", ether_addr_to_string(&e, ea));
+ }
if (mtu > 0)
printf(" MTU: %u\n", mtu);
+ hwdb = udev_hwdb_new(udev);
+
+ dump_gateways(rtnl, hwdb, " Gateway: ", ifindex);
+
dump_addresses(rtnl, " Address: ", 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);
char **name;
int r;
+ r = sd_rtnl_open(&rtnl, 0);
+ if (r < 0)
+ return log_error_errno(r, "Failed to connect to netlink: %m");
+
+ udev = udev_new();
+ if (!udev)
+ return log_error_errno(errno, "Failed to connect to udev: %m");
+
if (n <= 1 && !arg_all) {
_cleanup_free_ char *operational_state = NULL;
- _cleanup_strv_free_ char **dns = NULL, **ntp = NULL;
+ _cleanup_strv_free_ char **dns = NULL, **ntp = NULL, **domains = NULL;
+ _cleanup_free_ struct local_address *addresses = NULL;
+ const char *on_color_operational, *off_color_operational;
+ int i, c;
sd_network_get_operational_state(&operational_state);
- if (operational_state)
- printf(" State: %s\n", operational_state);
+ operational_state_to_color(operational_state, &on_color_operational, &off_color_operational);
+
+ printf(" State: %s%s%s\n", on_color_operational, strna(operational_state), off_color_operational);
+
+ c = local_addresses(rtnl, 0, AF_UNSPEC, &addresses);
+ for (i = 0; i < c; i++) {
+ _cleanup_free_ char *pretty = NULL;
+
+ r = in_addr_to_string(addresses[i].family, &addresses[i].address, &pretty);
+ if (r < 0)
+ return log_oom();
+
+ printf("%13s %s\n",
+ i > 0 ? "" : "Address:", pretty);
+ }
sd_network_get_dns(&dns);
if (!strv_isempty(dns))
dump_list(" DNS: ", dns);
- sd_network_get_dns(&ntp);
+ 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);
pager_open_if_enabled();
- r = sd_rtnl_open(&rtnl, 0);
- if (r < 0) {
- log_error("Failed to connect to netlink: %s", strerror(-r));
- return r;
- }
-
- udev = udev_new();
- if (!udev) {
- log_error("Failed to connect to udev: %m");
- return -errno;
- }
-
if (arg_all) {
_cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL, *reply = NULL;
- sd_rtnl_message *i;
- bool space = false;
- uint16_t type;
+ _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_call(rtnl, req, 0, &reply);
- if (r < 0) {
- log_error("Failed to enumerate links: %s", strerror(-r));
- return r;
- }
-
- for (i = reply; i; i = sd_rtnl_message_next(i)) {
- const char *nn;
-
- r = sd_rtnl_message_get_type(i, &type);
- if (r < 0)
- return rtnl_log_parse_error(r);
-
- if (type != RTM_NEWLINK)
- continue;
+ if (r < 0)
+ return log_error_errno(r, "Failed to enumerate links: %m");
- r = sd_rtnl_message_read_string(i, IFLA_IFNAME, &nn);
- if (r < 0)
- return rtnl_log_parse_error(r);
+ c = decode_and_sort_links(reply, &links);
+ if (c < 0)
+ return rtnl_log_parse_error(c);
- if (space)
+ for (i = 0; i < c; i++) {
+ if (i > 0)
fputc('\n', stdout);
- link_status_one(rtnl, udev, nn);
- space = true;
+ link_status_one(rtnl, udev, links[i].name);
}
}