2 * Copyright (c) 2009 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
6 * Portions Copyright (c) 2009, Secure Endpoints Inc. All rights reserved.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
19 * 3. Neither the name of the Institute nor the names of its contributors
20 * may be used to endorse or promote products derived from this software
21 * without specific prior written permission.
23 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
44 static int verbose_counter;
45 static int version_flag;
48 static struct getargs args[] = {
49 {"verbose", 0, arg_counter, &verbose_counter,"verbose", NULL},
50 {"version", 0, arg_flag, &version_flag, "print version",NULL},
51 {"help", 0, arg_flag, &help_flag, NULL, NULL}
58 sizeof(args) / sizeof(args[0]),
65 print_addr(const char *s, struct sockaddr *sa)
68 printf(" %s=%d/", s, sa->sa_family);
69 #ifdef HAVE_STRUCT_SOCKADDR_SA_LEN
70 for(i = 0; i < sa->sa_len - ((long)sa->sa_data - (long)&sa->sa_family); i++)
71 printf("%02x", ((unsigned char*)sa->sa_data)[i]);
73 for(i = 0; i < sizeof(sa->sa_data); i++)
74 printf("%02x", ((unsigned char*)sa->sa_data)[i]);
80 print_ifaddrs(struct ifaddrs *x)
84 for(p = x; p; p = p->ifa_next) {
85 if (verbose_counter) {
86 printf("%s\n", p->ifa_name);
87 printf(" flags=%x\n", p->ifa_flags);
89 print_addr("addr", p->ifa_addr);
91 print_addr("dstaddr", p->ifa_dstaddr);
93 print_addr("netmask", p->ifa_netmask);
94 printf(" %p\n", p->ifa_data);
100 main(int argc, char **argv)
102 struct ifaddrs *addrs = NULL;
105 setprogname (argv[0]);
107 if (getarg (args, sizeof(args) / sizeof(args[0]), argc, argv,
115 fprintf (stderr, "%s from %s-%s\n", getprogname(), PACKAGE, VERSION);
120 errx(1, "Failed to initialize sockets (%s)", strerror(rk_SOCK_ERRNO));
122 ret = getifaddrs(&addrs);
124 err(1, "getifaddrs");
127 errx(1, "address == NULL");
129 print_ifaddrs(addrs);
131 /* Check that freeifaddrs doesn't crash */