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);
89 LIST_FOREACH(static_addresses, address, network->static_addresses) {
90 if (!address->family) {
91 log_warning("Address section without Address field configured in %s. "
92 "Ignoring", filename);
102 int network_load(Manager *manager) {
104 _cleanup_strv_free_ char **files = NULL;
110 while ((network = manager->networks))
111 network_free(network);
113 r = conf_files_list_strv(&files, ".network", NULL, network_dirs);
115 log_error("Failed to enumerate network files: %s", strerror(-r));
119 STRV_FOREACH_BACKWARDS(f, files) {
120 r = network_load_one(manager, *f);
128 void network_free(Network *network) {
135 free(network->filename);
137 free(network->match_mac);
138 free(network->match_path);
139 free(network->match_driver);
140 free(network->match_type);
141 free(network->match_name);
143 free(network->description);
145 address_free(network->dns);
147 while ((route = network->static_routes))
150 while ((address = network->static_addresses))
151 address_free(address);
153 hashmap_free(network->addresses_by_section);
154 hashmap_free(network->routes_by_section);
156 if (network->manager && network->manager->networks)
157 LIST_REMOVE(networks, network->manager->networks, network);
162 int network_get(Manager *manager, struct udev_device *device, Network **ret) {
169 LIST_FOREACH(networks, network, manager->networks) {
170 if (net_match_config(network->match_mac, network->match_path,
171 network->match_driver, network->match_type,
173 udev_device_get_sysattr_value(device, "address"),
174 udev_device_get_property_value(device, "ID_PATH"),
175 udev_device_get_driver(device),
176 udev_device_get_devtype(device),
177 udev_device_get_sysname(device))) {
178 log_debug("%s: found matching network '%s'",
179 udev_device_get_sysname(device),
191 int network_apply(Manager *manager, Network *network, Link *link) {
194 link->network = network;
196 r = link_configure(link);
201 r = manager_update_resolv_conf(manager);
209 int config_parse_bridge(const char *unit,
210 const char *filename,
213 unsigned section_line,
219 Network *network = userdata;
228 r = netdev_get(network->manager, rvalue, &netdev);
230 log_syntax(unit, LOG_ERR, filename, line, EINVAL,
231 "Bridge is invalid, ignoring assignment: %s", rvalue);
235 if (netdev->kind != NETDEV_KIND_BRIDGE) {
236 log_syntax(unit, LOG_ERR, filename, line, EINVAL,
237 "NetDev is not a bridge, ignoring assignment: %s", rvalue);
241 network->bridge = netdev;
246 int config_parse_bond(const char *unit,
247 const char *filename,
250 unsigned section_line,
256 Network *network = userdata;
265 r = netdev_get(network->manager, rvalue, &netdev);
267 log_syntax(unit, LOG_ERR, filename, line, EINVAL,
268 "Bond is invalid, ignoring assignment: %s", rvalue);
272 if (netdev->kind != NETDEV_KIND_BOND) {
273 log_syntax(unit, LOG_ERR, filename, line, EINVAL,
274 "NetDev is not a bond, ignoring assignment: %s", rvalue);
278 network->bond = netdev;
283 int config_parse_vlan(const char *unit,
284 const char *filename,
287 unsigned section_line,
293 Network *network = userdata;
302 r = netdev_get(network->manager, rvalue, &netdev);
304 log_syntax(unit, LOG_ERR, filename, line, EINVAL,
305 "VLAN is invalid, ignoring assignment: %s", rvalue);
309 if (netdev->kind != NETDEV_KIND_VLAN) {
310 log_syntax(unit, LOG_ERR, filename, line, EINVAL,
311 "NetDev is not a VLAN, ignoring assignment: %s", rvalue);
315 network->vlan = netdev;