X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Flibsystemd-network%2Fnetwork-internal.c;fp=src%2Flibsystemd-network%2Fnetwork-internal.c;h=0000000000000000000000000000000000000000;hb=e418908760d8b7826017b07b2a5d2e365152e7ae;hp=d579755cc81b15d17d58f76ee71c526366d9a50b;hpb=a2109619cd5c28c4739e659e40b6b524c7c0d488;p=elogind.git diff --git a/src/libsystemd-network/network-internal.c b/src/libsystemd-network/network-internal.c deleted file mode 100644 index d579755cc..000000000 --- a/src/libsystemd-network/network-internal.c +++ /dev/null @@ -1,511 +0,0 @@ -/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ - -/*** - This file is part of systemd. - - Copyright (C) 2013 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 . -***/ - -#include -#include -#include - -#include "strv.h" -#include "siphash24.h" -#include "dhcp-lease-internal.h" -#include "log.h" -#include "utf8.h" -#include "util.h" -#include "conf-parser.h" -#include "condition.h" -#include "network-internal.h" - -const char *net_get_name(struct udev_device *device) { - const char *name, *field; - - assert(device); - - /* fetch some persistent data unique (on this machine) to this device */ - FOREACH_STRING(field, "ID_NET_NAME_ONBOARD", "ID_NET_NAME_SLOT", "ID_NET_NAME_PATH", "ID_NET_NAME_MAC") { - name = udev_device_get_property_value(device, field); - if (name) - return name; - } - - return NULL; -} - -#define HASH_KEY SD_ID128_MAKE(d3,1e,48,fa,90,fe,4b,4c,9d,af,d5,d7,a1,b1,2e,8a) - -int net_get_unique_predictable_data(struct udev_device *device, uint8_t result[8]) { - size_t l, sz = 0; - const char *name = NULL; - int r; - uint8_t *v; - - assert(device); - - name = net_get_name(device); - if (!name) - return -ENOENT; - - l = strlen(name); - sz = sizeof(sd_id128_t) + l; - v = alloca(sz); - - /* fetch some persistent data unique to this machine */ - r = sd_id128_get_machine((sd_id128_t*) v); - if (r < 0) - return r; - memcpy(v + sizeof(sd_id128_t), name, l); - - /* Let's hash the machine ID plus the device name. We - * use a fixed, but originally randomly created hash - * key here. */ - siphash24(result, v, sz, HASH_KEY.bytes); - - return 0; -} - -bool net_match_config(const struct ether_addr *match_mac, - char * const *match_paths, - char * const *match_drivers, - char * const *match_types, - char * const *match_names, - Condition *match_host, - Condition *match_virt, - Condition *match_kernel, - Condition *match_arch, - const struct ether_addr *dev_mac, - const char *dev_path, - const char *dev_parent_driver, - const char *dev_driver, - const char *dev_type, - const char *dev_name) { - - if (match_host && !condition_test(match_host)) - return false; - - if (match_virt && !condition_test(match_virt)) - return false; - - if (match_kernel && !condition_test(match_kernel)) - return false; - - if (match_arch && !condition_test(match_arch)) - return false; - - if (match_mac && (!dev_mac || memcmp(match_mac, dev_mac, ETH_ALEN))) - return false; - - if (!strv_isempty(match_paths) && - (!dev_path || !strv_fnmatch(match_paths, dev_path, 0))) - return false; - - if (!strv_isempty(match_drivers) && - (!dev_driver || !strv_fnmatch(match_drivers, dev_driver, 0))) - return false; - - if (!strv_isempty(match_types) && - (!dev_type || !strv_fnmatch_or_empty(match_types, dev_type, 0))) - return false; - - if (!strv_isempty(match_names) && - (!dev_name || !strv_fnmatch_or_empty(match_names, dev_name, 0))) - return false; - - return true; -} - -int config_parse_net_condition(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) { - - ConditionType cond = ltype; - Condition **ret = data; - bool negate; - Condition *c; - _cleanup_free_ char *s = NULL; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(data); - - negate = rvalue[0] == '!'; - if (negate) - rvalue++; - - s = strdup(rvalue); - if (!s) - return log_oom(); - - c = condition_new(cond, s, false, negate); - if (!c) - return log_oom(); - - if (*ret) - condition_free(*ret); - - *ret = c; - return 0; -} - -int config_parse_ifname(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) { - - char **s = data; - _cleanup_free_ char *n = NULL; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(data); - - n = strdup(rvalue); - if (!n) - return log_oom(); - - if (!ascii_is_valid(n) || strlen(n) >= IFNAMSIZ) { - log_syntax(unit, LOG_ERR, filename, line, EINVAL, - "Interface name is not ASCII clean or is too long, ignoring assignment: %s", rvalue); - return 0; - } - - free(*s); - if (*n) { - *s = n; - n = NULL; - } else - *s = NULL; - - return 0; -} - -int config_parse_ifnames(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) { - - char ***sv = data; - const char *word, *state; - size_t l; - int r; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(data); - - FOREACH_WORD(word, l, rvalue, state) { - char *n; - - n = strndup(word, l); - if (!n) - return log_oom(); - - if (!ascii_is_valid(n) || strlen(n) >= IFNAMSIZ) { - log_syntax(unit, LOG_ERR, filename, line, EINVAL, - "Interface name is not ASCII clean or is too long, ignoring assignment: %s", rvalue); - free(n); - return 0; - } - - r = strv_consume(sv, n); - if (r < 0) - return log_oom(); - } - - return 0; -} - -int config_parse_ifalias(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) { - - char **s = data; - _cleanup_free_ char *n = NULL; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(data); - - n = strdup(rvalue); - if (!n) - return log_oom(); - - if (!ascii_is_valid(n) || strlen(n) >= IFALIASZ) { - log_syntax(unit, LOG_ERR, filename, line, EINVAL, - "Interface alias is not ASCII clean or is too long, ignoring assignment: %s", rvalue); - return 0; - } - - free(*s); - if (*n) { - *s = n; - n = NULL; - } else - *s = NULL; - - return 0; -} - -int config_parse_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) { - struct ether_addr **hwaddr = data; - struct ether_addr *n; - int r; - - assert(filename); - assert(lvalue); - assert(rvalue); - assert(data); - - n = new0(struct ether_addr, 1); - if (!n) - return log_oom(); - - r = sscanf(rvalue, "%02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx", - &n->ether_addr_octet[0], - &n->ether_addr_octet[1], - &n->ether_addr_octet[2], - &n->ether_addr_octet[3], - &n->ether_addr_octet[4], - &n->ether_addr_octet[5]); - if (r != 6) { - log_syntax(unit, LOG_ERR, filename, line, EINVAL, - "Not a valid MAC address, ignoring assignment: %s", rvalue); - free(n); - return 0; - } - - free(*hwaddr); - *hwaddr = n; - - return 0; -} - -void serialize_in_addrs(FILE *f, const struct in_addr *addresses, size_t size) { - unsigned i; - - assert(f); - assert(addresses); - assert(size); - - for (i = 0; i < size; i++) - fprintf(f, "%s%s", inet_ntoa(addresses[i]), - (i < (size - 1)) ? " ": ""); -} - -int deserialize_in_addrs(struct in_addr **ret, const char *string) { - _cleanup_free_ struct in_addr *addresses = NULL; - int size = 0; - const char *word, *state; - size_t len; - - assert(ret); - assert(string); - - FOREACH_WORD(word, len, string, state) { - _cleanup_free_ char *addr_str = NULL; - struct in_addr *new_addresses; - int r; - - new_addresses = realloc(addresses, (size + 1) * sizeof(struct in_addr)); - if (!new_addresses) - return -ENOMEM; - else - addresses = new_addresses; - - addr_str = strndup(word, len); - if (!addr_str) - return -ENOMEM; - - r = inet_pton(AF_INET, addr_str, &(addresses[size])); - if (r <= 0) - continue; - - size ++; - } - - *ret = addresses; - addresses = NULL; - - return size; -} - -int deserialize_in6_addrs(struct in6_addr **ret, const char *string) { - _cleanup_free_ struct in6_addr *addresses = NULL; - int size = 0; - const char *word, *state; - size_t len; - - assert(ret); - assert(string); - - FOREACH_WORD(word, len, string, state) { - _cleanup_free_ char *addr_str = NULL; - struct in6_addr *new_addresses; - int r; - - new_addresses = realloc(addresses, (size + 1) * sizeof(struct in6_addr)); - if (!new_addresses) - return -ENOMEM; - else - addresses = new_addresses; - - addr_str = strndup(word, len); - if (!addr_str) - return -ENOMEM; - - r = inet_pton(AF_INET6, addr_str, &(addresses[size])); - if (r <= 0) - continue; - - size++; - } - - *ret = addresses; - addresses = NULL; - - return size; -} - -void serialize_dhcp_routes(FILE *f, const char *key, struct sd_dhcp_route *routes, size_t size) { - unsigned i; - - assert(f); - assert(key); - assert(routes); - assert(size); - - fprintf(f, "%s=", key); - - for (i = 0; i < size; i++) { - fprintf(f, "%s/%" PRIu8, inet_ntoa(routes[i].dst_addr), - routes[i].dst_prefixlen); - fprintf(f, ",%s%s", inet_ntoa(routes[i].gw_addr), - (i < (size - 1)) ? " ": ""); - } - - fputs("\n", f); -} - -int deserialize_dhcp_routes(struct sd_dhcp_route **ret, size_t *ret_size, size_t *ret_allocated, const char *string) { - _cleanup_free_ struct sd_dhcp_route *routes = NULL; - size_t size = 0, allocated = 0; - const char *word, *state; - size_t len; - - assert(ret); - assert(ret_size); - assert(ret_allocated); - assert(string); - - FOREACH_WORD(word, len, string, state) { - /* WORD FORMAT: dst_ip/dst_prefixlen,gw_ip */ - _cleanup_free_ char* entry = NULL; - char *tok, *tok_end; - unsigned n; - int r; - - if (!GREEDY_REALLOC(routes, allocated, size + 1)) - return -ENOMEM; - - entry = strndup(word, len); - if(!entry) - return -ENOMEM; - - tok = entry; - - /* get the subnet */ - tok_end = strchr(tok, '/'); - if (!tok_end) - continue; - *tok_end = '\0'; - - r = inet_aton(tok, &routes[size].dst_addr); - if (r == 0) - continue; - - tok = tok_end + 1; - - /* get the prefixlen */ - tok_end = strchr(tok, ','); - if (!tok_end) - continue; - - *tok_end = '\0'; - - r = safe_atou(tok, &n); - if (r < 0 || n > 32) - continue; - - routes[size].dst_prefixlen = (uint8_t) n; - tok = tok_end + 1; - - /* get the gateway */ - r = inet_aton(tok, &routes[size].gw_addr); - if (r == 0) - continue; - - size++; - } - - *ret_size = size; - *ret_allocated = allocated; - *ret = routes; - routes = NULL; - - return 0; -}