1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
4 This file is part of systemd.
6 Copyright 2013 Tom Gundersen <teg@jklm.no>
8 systemd is free software; you can redistribute it and/or modify it
9 under the terms of the GNU Lesser General Public License as published by
10 the Free Software Foundation; either version 2.1 of the License, or
11 (at your option) any later version.
13 systemd is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 Lesser General Public License for more details.
18 You should have received a copy of the GNU Lesser General Public License
19 along with systemd; If not, see <http://www.gnu.org/licenses/>.
24 #include "path-util.h"
25 #include "conf-files.h"
26 #include "conf-parser.h"
29 static int network_load_one(Manager *manager, const char *filename) {
30 _cleanup_network_free_ Network *network = NULL;
31 _cleanup_fclose_ FILE *file = NULL;
39 file = fopen(filename, "re");
47 network = new0(Network, 1);
51 network->manager = manager;
53 LIST_HEAD_INIT(network->static_addresses);
54 LIST_HEAD_INIT(network->static_routes);
56 network->addresses_by_section = hashmap_new(uint64_hash_func, uint64_compare_func);
57 if (!network->addresses_by_section)
60 network->routes_by_section = hashmap_new(uint64_hash_func, uint64_compare_func);
61 if (!network->routes_by_section)
64 network->filename = strdup(filename);
65 if (!network->filename)
68 network->dhcp_dns = true;
69 network->dhcp_hostname = true;
70 network->dhcp_domainname = true;
72 r = config_parse(NULL, filename, file, "Match\0Network\0Address\0Route\0DHCPv4\0", config_item_perf_lookup,
73 (void*) network_gperf_lookup, false, false, network);
75 log_warning("Could not parse config file %s: %s", filename, strerror(-r));
79 LIST_PREPEND(networks, manager->networks, network);
81 LIST_FOREACH(static_routes, route, network->static_routes) {
83 log_warning("Route section without Gateway field configured in %s. "
84 "Ignoring", filename);
88 if (route->dst_family && route->family != route->dst_family) {
89 log_warning("Route section with conflicting Gateway and Destination address "
90 "family configured in %s. Ignoring", filename);
95 LIST_FOREACH(static_addresses, address, network->static_addresses) {
96 if (!address->family) {
97 log_warning("Address section without Address field configured in %s. "
98 "Ignoring", filename);
108 int network_load(Manager *manager) {
110 _cleanup_strv_free_ char **files = NULL;
116 while ((network = manager->networks))
117 network_free(network);
119 r = conf_files_list_strv(&files, ".network", NULL, network_dirs);
121 log_error("Failed to enumerate network files: %s", strerror(-r));
125 STRV_FOREACH_BACKWARDS(f, files) {
126 r = network_load_one(manager, *f);
134 void network_free(Network *network) {
141 free(network->filename);
143 free(network->match_mac);
144 free(network->match_path);
145 free(network->match_driver);
146 free(network->match_type);
147 free(network->match_name);
149 free(network->description);
151 address_free(network->dns);
153 while ((route = network->static_routes))
156 while ((address = network->static_addresses))
157 address_free(address);
159 hashmap_free(network->addresses_by_section);
160 hashmap_free(network->routes_by_section);
162 if (network->manager && network->manager->networks)
163 LIST_REMOVE(networks, network->manager->networks, network);
168 int network_get(Manager *manager, struct udev_device *device, Network **ret) {
175 LIST_FOREACH(networks, network, manager->networks) {
176 if (net_match_config(network->match_mac, network->match_path,
177 network->match_driver, network->match_type,
179 udev_device_get_sysattr_value(device, "address"),
180 udev_device_get_property_value(device, "ID_PATH"),
181 udev_device_get_driver(device),
182 udev_device_get_devtype(device),
183 udev_device_get_sysname(device))) {
184 log_debug("%s: found matching network '%s'",
185 udev_device_get_sysname(device),
197 int network_apply(Manager *manager, Network *network, Link *link) {
200 link->network = network;
202 r = link_configure(link);
207 r = manager_update_resolv_conf(manager);
215 int config_parse_bridge(const char *unit,
216 const char *filename,
219 unsigned section_line,
225 Network *network = userdata;
234 r = bridge_get(network->manager, rvalue, &bridge);
236 log_syntax(unit, LOG_ERR, filename, line, EINVAL,
237 "Bridge is invalid, ignoring assignment: %s", rvalue);
241 network->bridge = bridge;