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;
71 r
= config_parse(NULL
, filename
, file
, "Match\0Network\0Address\0Route\0DHCPv4\0", config_item_perf_lookup
,
72 (void*) network_gperf_lookup
, false, false, network
);
74 log_warning("Could not parse config file %s: %s", filename
, strerror(-r
));
78 LIST_PREPEND(networks
, manager
->networks
, network
);
80 LIST_FOREACH(static_routes
, route
, network
->static_routes
) {
82 log_warning("Route section without Gateway field configured in %s. "
83 "Ignoring", filename
);
87 if (route
->dst_family
&& route
->family
!= route
->dst_family
) {
88 log_warning("Route section with conflicting Gateway and Destination address "
89 "family configured in %s. Ignoring", filename
);
94 LIST_FOREACH(static_addresses
, address
, network
->static_addresses
) {
95 if (!address
->family
) {
96 log_warning("Address section without Address field configured in %s. "
97 "Ignoring", filename
);
107 int network_load(Manager
*manager
) {
109 _cleanup_strv_free_
char **files
= NULL
;
115 while ((network
= manager
->networks
))
116 network_free(network
);
118 r
= conf_files_list_strv(&files
, ".network", NULL
, network_dirs
);
120 log_error("Failed to enumerate network files: %s", strerror(-r
));
124 STRV_FOREACH_BACKWARDS(f
, files
) {
125 r
= network_load_one(manager
, *f
);
133 void network_free(Network
*network
) {
140 free(network
->filename
);
142 free(network
->match_mac
);
143 free(network
->match_path
);
144 free(network
->match_driver
);
145 free(network
->match_type
);
146 free(network
->match_name
);
148 free(network
->description
);
150 address_free(network
->dns
);
152 while ((route
= network
->static_routes
))
155 while ((address
= network
->static_addresses
))
156 address_free(address
);
158 hashmap_free(network
->addresses_by_section
);
159 hashmap_free(network
->routes_by_section
);
161 if (network
->manager
&& network
->manager
->networks
)
162 LIST_REMOVE(networks
, network
->manager
->networks
, network
);
167 int network_get(Manager
*manager
, struct udev_device
*device
, Network
**ret
) {
174 LIST_FOREACH(networks
, network
, manager
->networks
) {
175 if (net_match_config(network
->match_mac
, network
->match_path
,
176 network
->match_driver
, network
->match_type
,
178 udev_device_get_sysattr_value(device
, "address"),
179 udev_device_get_property_value(device
, "ID_PATH"),
180 udev_device_get_driver(device
),
181 udev_device_get_devtype(device
),
182 udev_device_get_sysname(device
))) {
183 log_debug("%s: found matching network '%s'",
184 udev_device_get_sysname(device
),
196 int network_apply(Manager
*manager
, Network
*network
, Link
*link
) {
199 link
->network
= network
;
201 r
= link_configure(link
);
206 r
= manager_update_resolv_conf(manager
);
214 int config_parse_bridge(const char *unit
,
215 const char *filename
,
218 unsigned section_line
,
224 Network
*network
= userdata
;
233 r
= bridge_get(network
->manager
, rvalue
, &bridge
);
235 log_syntax(unit
, LOG_ERR
, filename
, line
, EINVAL
,
236 "Bridge is invalid, ignoring assignment: %s", rvalue
);
240 network
->bridge
= bridge
;