1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
4 This file is part of systemd.
6 Copyright (C) 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/>.
22 #include <netinet/ether.h>
24 #include <arpa/inet.h>
30 #include "conf-parser.h"
32 bool net_match_config(const struct ether_addr *match_mac,
33 const char *match_path,
34 const char *match_driver,
35 const char *match_type,
36 const char *match_name,
39 const char *dev_driver,
41 const char *dev_name) {
43 if (match_mac && (!dev_mac || memcmp(match_mac, ether_aton(dev_mac), ETH_ALEN)))
46 if (match_path && !streq_ptr(match_path, dev_path))
49 if (match_driver && !streq_ptr(match_driver, dev_driver))
52 if (match_type && !streq_ptr(match_type, dev_type))
55 if (match_name && !streq_ptr(match_name, dev_name))
61 unsigned net_netmask_to_prefixlen(const struct in_addr *addr) {
67 mask = be32toh(addr->s_addr);
76 int config_parse_ifname(const char *unit,
80 unsigned section_line,
99 if (!ascii_is_valid(n) || strlen(n) >= IFNAMSIZ) {
100 log_syntax(unit, LOG_ERR, filename, line, EINVAL,
101 "Interface name is not ASCII clean or is too long, ignoring assignment: %s", rvalue);
117 int config_parse_ifalias(const char *unit,
118 const char *filename,
121 unsigned section_line,
140 if (!ascii_is_valid(n) || strlen(n) >= IFALIASZ) {
141 log_syntax(unit, LOG_ERR, filename, line, EINVAL,
142 "Interface alias is not ASCII clean or is too long, ignoring assignment: %s", rvalue);
158 int config_parse_hwaddr(const char *unit,
159 const char *filename,
162 unsigned section_line,
168 struct ether_addr **hwaddr = data;
169 struct ether_addr *n;
177 n = new0(struct ether_addr, 1);
181 r = sscanf(rvalue, "%02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx",
182 &n->ether_addr_octet[0],
183 &n->ether_addr_octet[1],
184 &n->ether_addr_octet[2],
185 &n->ether_addr_octet[3],
186 &n->ether_addr_octet[4],
187 &n->ether_addr_octet[5]);
189 log_syntax(unit, LOG_ERR, filename, line, EINVAL,
190 "Not a valid MAC address, ignoring assignment: %s", rvalue);
201 int net_parse_inaddr(const char *address, unsigned char *family, void *dst) {
209 r = inet_pton(AF_INET, address, dst);
211 /* succsefully parsed IPv4 address */
212 if (*family == AF_UNSPEC)
214 else if (*family != AF_INET)
219 /* not an IPv4 address, so let's try IPv6 */
220 r = inet_pton(AF_INET6, address, dst);
222 /* successfully parsed IPv6 address */
223 if (*family == AF_UNSPEC)
225 else if (*family != AF_INET6)