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
|
/*
* Unix SMB/CIFS implementation.
*
* libreplace getifaddrs test
*
* Copyright (C) Michael Adam <obnox@samba.org> 2008
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef AUTOCONF_TEST
#include "replace.h"
#include "system/network.h"
#endif
#ifdef HAVE_INET_NTOP
#define rep_inet_ntop inet_ntop
#endif
static const char *format_sockaddr(struct sockaddr *addr,
char *addrstring,
socklen_t addrlen)
{
const char *result = NULL;
if (addr->sa_family == AF_INET) {
result = rep_inet_ntop(AF_INET,
&((struct sockaddr_in *)addr)->sin_addr,
addrstring,
addrlen);
} else if (addr->sa_family == AF_INET6) {
result = rep_inet_ntop(AF_INET6,
&((struct sockaddr_in6 *)addr)->sin6_addr,
addrstring,
addrlen);
}
return result;
}
int getifaddrs_test(void)
{
struct ifaddrs *ifs = NULL;
struct ifaddrs *ifs_head = NULL;
int ret;
ret = getifaddrs(&ifs);
ifs_head = ifs;
if (ret != 0) {
fprintf(stderr, "getifaddrs() failed: %s\n", strerror(errno));
return 1;
}
while (ifs) {
printf("%-10s ", ifs->ifa_name);
if (ifs->ifa_addr != NULL) {
char addrstring[INET6_ADDRSTRLEN];
const char *result;
result = format_sockaddr(ifs->ifa_addr,
addrstring,
sizeof(addrstring));
if (result != NULL) {
printf("IP=%s ", addrstring);
}
if (ifs->ifa_netmask != NULL) {
result = format_sockaddr(ifs->ifa_netmask,
addrstring,
sizeof(addrstring));
if (result != NULL) {
printf("NETMASK=%s", addrstring);
}
} else {
printf("AF=%d ", ifs->ifa_addr->sa_family);
}
} else {
printf("<no address>");
}
printf("\n");
ifs = ifs->ifa_next;
}
freeifaddrs(ifs_head);
return 0;
}
|
