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_mtu = true;
70 network->dhcp_hostname = true;
71 network->dhcp_domainname = true;
73 r = config_parse(NULL, filename, file, "Match\0Network\0Address\0Route\0DHCPv4\0", config_item_perf_lookup,
74 (void*) network_gperf_lookup, false, false, network);
76 log_warning("Could not parse config file %s: %s", filename, strerror(-r));
80 LIST_PREPEND(networks, manager->networks, network);
82 LIST_FOREACH(static_routes, route, network->static_routes) {
84 log_warning("Route section without Gateway field configured in %s. "
85 "Ignoring", filename);
89 if (route->dst_family && route->family != route->dst_family) {
90 log_warning("Route section with conflicting Gateway and Destination address "
91 "family configured in %s. Ignoring", filename);
96 LIST_FOREACH(static_addresses, address, network->static_addresses) {
97 if (!address->family) {
98 log_warning("Address section without Address field configured in %s. "
99 "Ignoring", filename);
109 int network_load(Manager *manager) {
111 _cleanup_strv_free_ char **files = NULL;
117 while ((network = manager->networks))
118 network_free(network);
120 r = conf_files_list_strv(&files, ".network", NULL, network_dirs);
122 log_error("Failed to enumerate network files: %s", strerror(-r));
126 STRV_FOREACH_BACKWARDS(f, files) {
127 r = network_load_one(manager, *f);
135 void network_free(Network *network) {
142 free(network->filename);
144 free(network->match_mac);
145 free(network->match_path);
146 free(network->match_driver);
147 free(network->match_type);
148 free(network->match_name);
150 free(network->description);
152 address_free(network->dns);
154 while ((route = network->static_routes))
157 while ((address = network->static_addresses))
158 address_free(address);
160 hashmap_free(network->addresses_by_section);
161 hashmap_free(network->routes_by_section);
163 if (network->manager && network->manager->networks)
164 LIST_REMOVE(networks, network->manager->networks, network);
169 int network_get(Manager *manager, struct udev_device *device, Network **ret) {
176 LIST_FOREACH(networks, network, manager->networks) {
177 if (net_match_config(network->match_mac, network->match_path,
178 network->match_driver, network->match_type,
180 udev_device_get_sysattr_value(device, "address"),
181 udev_device_get_property_value(device, "ID_PATH"),
182 udev_device_get_driver(device),
183 udev_device_get_devtype(device),
184 udev_device_get_sysname(device))) {
185 log_debug("%s: found matching network '%s'",
186 udev_device_get_sysname(device),
198 int network_apply(Manager *manager, Network *network, Link *link) {
201 link->network = network;
203 r = link_configure(link);
208 r = manager_update_resolv_conf(manager);
216 int config_parse_bridge(const char *unit,
217 const char *filename,
220 unsigned section_line,
226 Network *network = userdata;
235 r = bridge_get(network->manager, rvalue, &bridge);
237 log_syntax(unit, LOG_ERR, filename, line, EINVAL,
238 "Bridge is invalid, ignoring assignment: %s", rvalue);
242 network->bridge = bridge;