release/src/router/miniupnpd/testgetroute.c

   1 /* $Id: testgetroute.c,v 1.2 2012/06/23 23:32:32 nanard Exp $ */
   2 /* MiniUPnP project
   3  * http://miniupnp.free.fr/ or http://miniupnp.tuxfamily.org/
   4  * (c) 2006-2012 Thomas Bernard
   5  * This software is subject to the conditions detailed
   6  * in the LICENCE file provided within the distribution */
   7
   8 #include <stdio.h>
   9 #include <string.h>
  10 #include <syslog.h>
  11 #include <sys/types.h>
  12 #include <sys/socket.h>
  13 #include <netinet/in.h>
  14 #include <arpa/inet.h>
  15
  16 #include "getroute.h"
  17 #include "upnputils.h"
  18
  19 #ifndef LOG_PERROR
  20 /* solaris does not define LOG_PERROR */
  21 #define LOG_PERROR 0
  22 #endif
  23
  24 int
  25 main(int argc, char ** argv)
  26 {
  27         struct sockaddr_in dst4;
  28         struct sockaddr_in6 dst6;
  29         struct sockaddr * dst;
  30         void * src;
  31         size_t src_len;
  32         int r;
  33
  34         memset(&dst4, 0, sizeof(dst4));
  35         memset(&dst6, 0, sizeof(dst6));
  36         dst = NULL;
  37         if(argc < 2) {
  38                 fprintf(stderr, "usage: %s <ip address>\n", argv[0]);
  39                 fprintf(stderr, "both v4 and v6 IP addresses are supported.\n");
  40                 return 1;
  41         }
  42         openlog("testgetroute", LOG_CONS|LOG_PERROR, LOG_USER);
  43         r = inet_pton (AF_INET, argv[1], &dst4.sin_addr);
  44         if(r < 0) {
  45                 syslog(LOG_ERR, "inet_pton(AF_INET, %s) : %m", argv[1]);
  46                 return 2;
  47         }
  48         if (r == 0) {
  49                 r = inet_pton (AF_INET6, argv[1], &dst6.sin6_addr);
  50                 if(r < 0) {
  51                         syslog(LOG_ERR, "inet_pton(AF_INET6, %s) : %m", argv[1]);
  52                         return 2;
  53                 }
  54                 if(r > 0) {
  55                         dst6.sin6_family = AF_INET6;
  56                         dst = (struct sockaddr *)&dst6;
  57                         src = &dst6.sin6_addr;
  58                         src_len = sizeof(dst6.sin6_addr);
  59                 }
  60         } else {
  61                 dst4.sin_family = AF_INET;
  62                 dst = (struct sockaddr *)&dst4;
  63                 src = &dst4.sin_addr;
  64                 src_len = sizeof(dst4.sin_addr);
  65         }
  66
  67         if (dst) {
  68                 r = get_src_for_route_to (dst, src, &src_len);
  69                 syslog(LOG_DEBUG, "get_src_for_route_to() returned %d", r);
  70                 if(r >= 0) {
  71                         char src_str[128];
  72                         sockaddr_to_string(dst, src_str, sizeof(src_str));
  73                         syslog(LOG_DEBUG, "src=%s", src_str);
  74                 }
  75         }
  76         return 0;
  77 }
  78