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/>.
28 #include "conf-parser.h"
31 int route_new(Network *network, unsigned section, Route **ret) {
32 _cleanup_route_free_ Route *route = NULL;
35 uint64_t key = section;
37 route = hashmap_get(network->routes_by_section, &key);
46 route = new0(Route, 1);
50 route->network = network;
52 LIST_PREPEND(routes, network->routes, route);
55 route->section = section;
56 hashmap_put(network->routes_by_section, &route->section, route);
65 void route_free(Route *route) {
69 LIST_REMOVE(routes, route->network->routes, route);
72 hashmap_remove(route->network->routes_by_section,
78 int route_configure(Route *route, Link *link,
79 sd_rtnl_message_handler_t callback) {
80 _cleanup_sd_rtnl_message_unref_ sd_rtnl_message *req = NULL;
84 assert(link->manager);
85 assert(link->manager->rtnl);
86 assert(link->ifindex > 0);
87 assert(route->family == AF_INET || route->family == AF_INET6);
89 r = sd_rtnl_message_route_new(RTM_NEWROUTE, route->family, route->dst_prefixlen,
90 0, 0, RT_TABLE_MAIN, RT_SCOPE_UNIVERSE,
91 RTPROT_BOOT, RTN_UNICAST, 0, &req);
93 log_error("Could not create RTM_NEWROUTE message: %s", strerror(-r));
97 r = sd_rtnl_message_append(req, RTA_GATEWAY, &route->in_addr);
99 log_error("Could not append RTA_GATEWAY attribute: %s", strerror(-r));
103 r = sd_rtnl_message_append(req, RTA_DST, &route->dst_addr);
105 log_error("Could not append RTA_DST attribute: %s", strerror(-r));
109 r = sd_rtnl_message_append(req, RTA_OIF, &link->ifindex);
111 log_error("Could not append RTA_OIF attribute: %s", strerror(-r));
115 r = sd_rtnl_call_async(link->manager->rtnl, req, callback, link, 0, NULL);
117 log_error("Could not send rtnetlink message: %s", strerror(-r));
124 int config_parse_gateway(const char *unit,
125 const char *filename,
128 unsigned section_line,
134 Network *network = userdata;
135 _cleanup_route_free_ Route *n = NULL;
136 _cleanup_free_ char *route = NULL;
145 if (streq(section, "Network")) {
146 /* we are not in an Route section, so treat
147 * this as the special '0' section */
151 r = route_new(network, section_line, &n);
155 r = net_parse_inaddr(rvalue, &n->family, &n->in_addr);
157 log_syntax(unit, LOG_ERR, filename, line, EINVAL,
158 "Route is invalid, ignoring assignment: %s", route);
167 int config_parse_destination(const char *unit,
168 const char *filename,
171 unsigned section_line,
177 Network *network = userdata;
178 _cleanup_route_free_ Route *n = NULL;
179 _cleanup_free_ char *address = NULL;
189 r = route_new(network, section_line, &n);
193 /* Destination=address/prefixlen */
196 e = strchr(rvalue, '/');
199 r = safe_atou(e + 1, &i);
201 log_syntax(unit, LOG_ERR, filename, line, EINVAL,
202 "Route destination prefix length is invalid, "
203 "ignoring assignment: %s", e + 1);
207 n->dst_prefixlen = (unsigned char) i;
209 address = strndup(rvalue, e - rvalue);
213 address = strdup(rvalue);
218 r = net_parse_inaddr(address, &n->family, &n->dst_addr);
220 log_syntax(unit, LOG_ERR, filename, line, EINVAL,
221 "Destination is invalid, ignoring assignment: %s", address);