]>
Commit | Line | Data |
---|---|---|
5fde13d7 TG |
1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
2 | ||
3 | /*** | |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright (C) 2013 Tom Gundersen <teg@jklm.no> | |
7 | ||
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. | |
12 | ||
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. | |
17 | ||
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/>. | |
20 | ***/ | |
21 | ||
22 | #include <netinet/ether.h> | |
23 | #include <net/if.h> | |
f5284182 | 24 | #include <arpa/inet.h> |
5fde13d7 | 25 | |
be32eb9b TG |
26 | #include "net-util.h" |
27 | #include "log.h" | |
5fde13d7 | 28 | #include "utf8.h" |
a12fa420 | 29 | #include "util.h" |
5fde13d7 TG |
30 | #include "conf-parser.h" |
31 | ||
be32eb9b TG |
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, | |
b3e01314 TG |
37 | const char *dev_mac, |
38 | const char *dev_path, | |
39 | const char *dev_driver, | |
40 | const char *dev_type, | |
41 | const char *dev_name) { | |
be32eb9b TG |
42 | |
43 | if (match_mac) { | |
b3e01314 | 44 | if (!dev_mac || memcmp(match_mac, ether_aton(dev_mac), ETH_ALEN)) { |
be32eb9b | 45 | log_debug("Interface MAC address (%s) did not match MACAddress=%s", |
b3e01314 | 46 | dev_mac, ether_ntoa(match_mac)); |
be32eb9b TG |
47 | return 0; |
48 | } | |
49 | } | |
50 | ||
51 | if (match_path) { | |
b3e01314 | 52 | if (!streq_ptr(match_path, dev_path)) { |
be32eb9b | 53 | log_debug("Interface persistent path (%s) did not match Path=%s", |
b3e01314 | 54 | dev_path, match_path); |
be32eb9b TG |
55 | return 0; |
56 | } | |
57 | } | |
58 | ||
59 | if (match_driver) { | |
b3e01314 | 60 | if (!streq_ptr(match_driver, dev_driver)) { |
be32eb9b | 61 | log_debug("Interface device driver (%s) did not match Driver=%s", |
b3e01314 | 62 | dev_driver, match_driver); |
be32eb9b TG |
63 | return 0; |
64 | } | |
65 | } | |
5fde13d7 | 66 | |
be32eb9b | 67 | if (match_type) { |
b3e01314 | 68 | if (!streq_ptr(match_type, dev_type)) { |
be32eb9b | 69 | log_debug("Interface type (%s) did not match Type=%s", |
b3e01314 | 70 | dev_type, match_type); |
be32eb9b TG |
71 | return 0; |
72 | } | |
73 | } | |
5fde13d7 | 74 | |
be32eb9b | 75 | if (match_name) { |
b3e01314 | 76 | if (!streq_ptr(match_name, dev_name)) { |
be32eb9b | 77 | log_debug("Interface name (%s) did not match Name=%s", |
b3e01314 | 78 | dev_name, match_name); |
be32eb9b TG |
79 | return 0; |
80 | } | |
81 | } | |
5fde13d7 | 82 | |
be32eb9b TG |
83 | return 1; |
84 | } | |
5fde13d7 TG |
85 | |
86 | int config_parse_ifname(const char *unit, | |
87 | const char *filename, | |
88 | unsigned line, | |
89 | const char *section, | |
90 | const char *lvalue, | |
91 | int ltype, | |
92 | const char *rvalue, | |
93 | void *data, | |
94 | void *userdata) { | |
95 | ||
96 | char **s = data; | |
97 | char *n; | |
98 | ||
99 | assert(filename); | |
100 | assert(lvalue); | |
101 | assert(rvalue); | |
102 | assert(data); | |
103 | ||
104 | n = strdup(rvalue); | |
105 | if (!n) | |
106 | return log_oom(); | |
107 | ||
108 | if (!ascii_is_valid(n) || strlen(n) >= IFNAMSIZ) { | |
109 | log_syntax(unit, LOG_ERR, filename, line, EINVAL, | |
110 | "Interface name is not ASCII clean or is too long, ignoring assignment: %s", rvalue); | |
111 | free(n); | |
112 | return 0; | |
113 | } | |
114 | ||
115 | free(*s); | |
116 | if (*n) | |
117 | *s = n; | |
118 | else { | |
119 | free(n); | |
120 | *s = NULL; | |
121 | } | |
122 | ||
123 | return 0; | |
124 | } | |
125 | ||
126 | int config_parse_hwaddr(const char *unit, | |
127 | const char *filename, | |
128 | unsigned line, | |
129 | const char *section, | |
130 | const char *lvalue, | |
131 | int ltype, | |
132 | const char *rvalue, | |
133 | void *data, | |
134 | void *userdata) { | |
135 | struct ether_addr **hwaddr = data; | |
136 | struct ether_addr *n; | |
137 | int r; | |
138 | ||
139 | assert(filename); | |
140 | assert(lvalue); | |
141 | assert(rvalue); | |
142 | assert(data); | |
143 | ||
a12fa420 | 144 | n = new0(struct ether_addr, 1); |
5fde13d7 TG |
145 | if (!n) |
146 | return log_oom(); | |
147 | ||
148 | r = sscanf(rvalue, "%02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx", | |
149 | &n->ether_addr_octet[0], | |
150 | &n->ether_addr_octet[1], | |
151 | &n->ether_addr_octet[2], | |
152 | &n->ether_addr_octet[3], | |
153 | &n->ether_addr_octet[4], | |
154 | &n->ether_addr_octet[5]); | |
155 | if (r != 6) { | |
156 | log_syntax(unit, LOG_ERR, filename, line, EINVAL, | |
157 | "Not a valid MAC address, ignoring assignment: %s", rvalue); | |
158 | free(n); | |
159 | return 0; | |
160 | } | |
161 | ||
162 | free(*hwaddr); | |
163 | *hwaddr = n; | |
164 | ||
165 | return 0; | |
166 | } | |
f5284182 TG |
167 | |
168 | int net_parse_inaddr(const char *address, unsigned char *family, void *dst) { | |
169 | int r; | |
170 | ||
171 | assert(address); | |
172 | assert(family); | |
173 | assert(dst); | |
174 | ||
175 | /* IPv4 */ | |
176 | r = inet_pton(AF_INET, address, dst); | |
177 | if (r > 0) | |
178 | *family = AF_INET; /* successfully parsed IPv4 address */ | |
179 | else if (r < 0) | |
180 | return -errno; | |
181 | else { | |
182 | /* not an IPv4 address, so let's try IPv6 */ | |
183 | r = inet_pton(AF_INET6, address, dst); | |
184 | if (r > 0) | |
185 | *family = AF_INET6; /* successfully parsed IPv6 address */ | |
186 | else if (r < 0) | |
187 | return -errno; | |
188 | else | |
189 | return -EINVAL; | |
190 | } | |
191 | ||
192 | return 0; | |
193 | } |