1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
|
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
/***
This file is part of systemd.
Copyright (C) 2013 Tom Gundersen <teg@jklm.no>
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
systemd is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#include <netinet/ether.h>
#include <net/if.h>
#include "net-util.h"
#include "log.h"
#include "utf8.h"
#include "util.h"
#include "conf-parser.h"
bool net_match_config(const struct ether_addr *match_mac,
const char *match_path,
const char *match_driver,
const char *match_type,
const char *match_name,
const char *dev_mac,
const char *dev_path,
const char *dev_driver,
const char *dev_type,
const char *dev_name) {
if (match_mac) {
if (!dev_mac || memcmp(match_mac, ether_aton(dev_mac), ETH_ALEN)) {
log_debug("Interface MAC address (%s) did not match MACAddress=%s",
dev_mac, ether_ntoa(match_mac));
return 0;
}
}
if (match_path) {
if (!streq_ptr(match_path, dev_path)) {
log_debug("Interface persistent path (%s) did not match Path=%s",
dev_path, match_path);
return 0;
}
}
if (match_driver) {
if (!streq_ptr(match_driver, dev_driver)) {
log_debug("Interface device driver (%s) did not match Driver=%s",
dev_driver, match_driver);
return 0;
}
}
if (match_type) {
if (!streq_ptr(match_type, dev_type)) {
log_debug("Interface type (%s) did not match Type=%s",
dev_type, match_type);
return 0;
}
}
if (match_name) {
if (!streq_ptr(match_name, dev_name)) {
log_debug("Interface name (%s) did not match Name=%s",
dev_name, match_name);
return 0;
}
}
return 1;
}
int config_parse_ifname(const char *unit,
const char *filename,
unsigned line,
const char *section,
const char *lvalue,
int ltype,
const char *rvalue,
void *data,
void *userdata) {
char **s = data;
char *n;
assert(filename);
assert(lvalue);
assert(rvalue);
assert(data);
n = strdup(rvalue);
if (!n)
return log_oom();
if (!ascii_is_valid(n) || strlen(n) >= IFNAMSIZ) {
log_syntax(unit, LOG_ERR, filename, line, EINVAL,
"Interface name is not ASCII clean or is too long, ignoring assignment: %s", rvalue);
free(n);
return 0;
}
free(*s);
if (*n)
*s = n;
else {
free(n);
*s = NULL;
}
return 0;
}
int config_parse_hwaddr(const char *unit,
const char *filename,
unsigned line,
const char *section,
const char *lvalue,
int ltype,
const char *rvalue,
void *data,
void *userdata) {
struct ether_addr **hwaddr = data;
struct ether_addr *n;
int r;
assert(filename);
assert(lvalue);
assert(rvalue);
assert(data);
n = new0(struct ether_addr, 1);
if (!n)
return log_oom();
r = sscanf(rvalue, "%02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx",
&n->ether_addr_octet[0],
&n->ether_addr_octet[1],
&n->ether_addr_octet[2],
&n->ether_addr_octet[3],
&n->ether_addr_octet[4],
&n->ether_addr_octet[5]);
if (r != 6) {
log_syntax(unit, LOG_ERR, filename, line, EINVAL,
"Not a valid MAC address, ignoring assignment: %s", rvalue);
free(n);
return 0;
}
free(*hwaddr);
*hwaddr = n;
return 0;
}
|
