release/src/router/miniupnpd/testgetifaddr.c

   1 /* $Id: testgetifaddr.c,v 1.8 2014/03/09 23:09:36 nanard Exp $ */
   2 /* MiniUPnP project
   3  * http://miniupnp.free.fr/ or http://miniupnp.tuxfamily.org/
   4  * (c) 2006-2014 Thomas Bernard
   5  * This software is subject to the conditions detailed
   6  * in the LICENCE file provided within the distribution */
   7 #include <stdio.h>
   8 #include <syslog.h>
   9 #include <sys/types.h>
  10 #include <sys/socket.h>
  11 #include <netinet/in.h>
  12 #include <arpa/inet.h>
  13 #include "config.h"
  14 #include "getifaddr.h"
  15
  16 #if defined(__sun)
  17 /* solaris 10 does not define LOG_PERROR */
  18 #define LOG_PERROR 0
  19 #endif
  20
  21 int main(int argc, char * * argv) {
  22         char str_addr[64];
  23         struct in_addr addr;
  24         struct in_addr mask;
  25 #ifdef ENABLE_IPV6
  26         int r;
  27         char str_addr6[64];
  28 #endif
  29         if(argc < 2) {
  30                 fprintf(stderr, "Usage:\t%s interface_name\n", argv[0]);
  31                 return 1;
  32         }
  33
  34         openlog("testgetifaddr", LOG_CONS|LOG_PERROR, LOG_USER);
  35         if(getifaddr(argv[1], str_addr, sizeof(str_addr), &addr, &mask) < 0) {
  36                 fprintf(stderr, "Cannot get address for interface %s.\n", argv[1]);
  37                 return 1;
  38         }
  39         printf("Interface %s has IP address %s.\n", argv[1], str_addr);
  40         printf("addr=%s ", inet_ntoa(addr));
  41         printf("mask=%s\n", inet_ntoa(mask));
  42 #ifdef ENABLE_IPV6
  43         r = find_ipv6_addr(argv[1], str_addr6, sizeof(str_addr6));
  44         if(r < 0) {
  45                 fprintf(stderr, "find_ipv6_addr() failed\n");
  46                 return 1;
  47         } else if(r == 0) {
  48                 printf("Interface %s has no IPv6 address.\n", argv[1]);
  49         } else {
  50                 printf("Interface %s has IPv6 address %s.\n", argv[1], str_addr6);
  51         }
  52 #endif
  53         return 0;
  54 }