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 address_new(Network *network, unsigned section, Address **ret) {
32 _cleanup_address_free_ Address *address = NULL;
35 uint64_t key = section;
36 address = hashmap_get(network->addresses_by_section, &key);
45 address = new0(Address, 1);
49 address->network = network;
51 LIST_PREPEND(addresses, network->addresses, address);
54 address->section = section;
55 hashmap_put(network->addresses_by_section, &address->section, address);
64 void address_free(Address *address) {
68 LIST_REMOVE(addresses, address->network->addresses, address);
71 hashmap_remove(address->network->addresses_by_section,
77 int address_configure(Address *address, Link *link,
78 sd_rtnl_message_handler_t callback) {
79 _cleanup_sd_rtnl_message_unref_ sd_rtnl_message *req = NULL;
83 assert(address->family == AF_INET || address->family == AF_INET6);
85 assert(link->ifindex > 0);
86 assert(link->manager);
87 assert(link->manager->rtnl);
89 r = sd_rtnl_message_addr_new(RTM_NEWADDR, link->ifindex,
90 address->family, address->prefixlen,
91 IFA_F_PERMANENT, RT_SCOPE_UNIVERSE, &req);
93 log_error("Could not allocate RTM_NEWADDR message: %s",
98 r = sd_rtnl_message_append(req, IFA_LOCAL, &address->in_addr);
100 log_error("Could not append IFA_LOCAL attribute: %s",
105 if (address->family == AF_INET) {
106 struct in_addr broadcast;
108 broadcast.s_addr = address->in_addr.in.s_addr | address->netmask.s_addr;
110 r = sd_rtnl_message_append(req, IFA_BROADCAST, &broadcast);
112 log_error("Could not append IFA_BROADCAST attribute: %s",
118 if (address->label) {
119 r = sd_rtnl_message_append(req, IFA_LABEL, address->label);
121 log_error("Could not append IFA_LABEL attribute: %s",
127 r = sd_rtnl_call_async(link->manager->rtnl, req, callback, link, 0, NULL);
129 log_error("Could not send rtnetlink message: %s", strerror(-r));
136 int config_parse_address(const char *unit,
137 const char *filename,
140 unsigned section_line,
146 Network *network = userdata;
147 _cleanup_address_free_ Address *n = NULL;
148 _cleanup_free_ char *address = NULL;
158 if (streq(section, "Network")) {
159 /* we are not in an Address section, so treat
160 * this as the special '0' section */
164 r = address_new(network, section_line, &n);
168 /* Address=address/prefixlen */
171 e = strchr(rvalue, '/');
174 r = safe_atou(e + 1, &i);
176 log_syntax(unit, LOG_ERR, filename, line, EINVAL,
177 "Interface prefix length is invalid, "
178 "ignoring assignment: %s", e + 1);
182 n->prefixlen = (unsigned char) i;
183 n->netmask.s_addr = htonl(0xfffffffflu >> n->prefixlen);
185 address = strndup(rvalue, e - rvalue);
189 address = strdup(rvalue);
194 r = net_parse_inaddr(address, &n->family, &n->in_addr);
196 log_syntax(unit, LOG_ERR, filename, line, EINVAL,
197 "Address is invalid, ignoring assignment: %s", address);
206 int config_parse_label(const char *unit,
207 const char *filename,
210 unsigned section_line,
216 Network *network = userdata;
217 _cleanup_address_free_ Address *n = NULL;
227 r = address_new(network, section_line, &n);
231 label = strdup(rvalue);
235 if (!ascii_is_valid(label) || strlen(label) >= IFNAMSIZ) {
236 log_syntax(unit, LOG_ERR, filename, line, EINVAL,
237 "Interface label is not ASCII clean or is too"
238 " long, ignoring assignment: %s", rvalue);