common/aiccu_test.c

   1 /**********************************************************
   2  SixXS - Automatic IPv6 Connectivity Configuration Utility
   3 ***********************************************************
   4  Copyright 2003-2005 SixXS - http://www.sixxs.net
   5 ***********************************************************
   6  common/aiccu_test.c - AICCU Test function
   7 ***********************************************************
   8  $Author: jeroen $
   9  $Id: aiccu_test.c,v 1.9 2007-01-15 12:00:46 jeroen Exp $
  10  $Date: 2007-01-15 12:00:46 $
  11 **********************************************************/
  12
  13 #include "aiccu.h"
  14
  15 #ifndef _WIN32
  16 #define PING4 "ping -c %d -v %s 2>&1"
  17 #define PING6 "ping6 -c %d -v %s 2>&1"
  18 #define TRACEROUTE4 "traceroute %s 2>&1"
  19 #define TRACEROUTE6 "traceroute6 %s 2>&1"
  20 #else
  21 #define PING4 "ping -4 -n %d %s"
  22 #define PING6 "ping -6 -n %d %s"
  23 #define TRACEROUTE4 "tracert %s"
  24 #define TRACEROUTE6 "tracert6 %s"
  25 #endif
  26
  27 void system_arg(const char *fmt, ...);
  28 void system_arg(const char *fmt, ...)
  29 {
  30         char    buf[1024];
  31         int     ret;
  32         va_list ap;
  33
  34         va_start(ap, fmt);
  35         vsnprintf(buf, sizeof(buf), fmt, ap);
  36         va_end(ap);
  37
  38         fflush(stdout);
  39         ret = system(buf);
  40         if (ret == -1) dolog(LOG_WARNING, "Execution of \"%s\" failed!? (Please check if the command is available)\n", buf);
  41 }
  42
  43 #define PINGCOUNT 3
  44
  45 bool test_ask(bool automatic);
  46 bool test_ask(bool automatic)
  47 {
  48         char buf[100];
  49
  50         if (!g_aiccu->running) return false;
  51
  52         printf("\n######\n");
  53         printf("\n");
  54
  55         if (automatic) return true;
  56
  57         printf("Did this work? [Y/n] ");
  58
  59         if (fgets(buf, sizeof(buf), stdin) == NULL) return false;
  60
  61         printf("\n");
  62
  63         return (buf[0] == 'N' || buf[0] == 'n' ? false : true);
  64 }
  65
  66 void aiccu_os_test(struct TIC_Tunnel *hTunnel, bool automatic)
  67 {
  68         unsigned int t = 1;
  69         unsigned int tottests = 8;
  70
  71         /* Make sure we have a correct local IPv4 address for some tests */
  72         if (strcmp(hTunnel->sType, "6in4-static") != 0)
  73         {
  74                 heartbeat_socket(NULL, 0, "",
  75                         &hTunnel->sIPv4_Local,
  76                         hTunnel->sIPv4_POP,
  77                         NULL);
  78         }
  79
  80         if (!g_aiccu->running) return;
  81
  82         printf("#######\n");
  83         printf("####### AICCU Quick Connectivity Test\n");
  84         printf("#######\n\n");
  85
  86         printf("####### [%u/%u] Ping the IPv4 Local/Your Outer Endpoint (%s)\n",
  87                 t++, tottests, hTunnel->sIPv4_Local);
  88         printf("### This should return so called 'echo replies'\n");
  89         printf("### If it doesn't then check your firewall settings\n");
  90         printf("### Your local endpoint should always be pingable\n");
  91         printf("### It could also indicate problems with your IPv4 stack\n");
  92         printf("\n");
  93         system_arg(PING4, PINGCOUNT, hTunnel->sIPv4_Local);
  94         if (!test_ask(automatic) || !g_aiccu->running) return;
  95
  96         printf("####### [%u/%u] Ping the IPv4 Remote/PoP Outer Endpoint (%s)\n",
  97                 t++, tottests, hTunnel->sIPv4_POP);
  98         printf("### These pings should reach the PoP and come back to you\n");
  99         printf("### In case there are problems along the route between your\n");
 100         printf("### host and the PoP this could not return replies\n");
 101         printf("### Check your firewall settings if problems occur\n");
 102         printf("\n");
 103         system_arg(PING4, PINGCOUNT, hTunnel->sIPv4_POP);
 104         if (!test_ask(automatic) || !g_aiccu->running) return;
 105
 106         printf("####### [%u/%u] Traceroute to the PoP (%s) over IPv4\n",
 107                 t++, tottests, hTunnel->sIPv4_POP);
 108         printf("### This traceroute should reach the PoP\n");
 109         printf("### In case this traceroute fails then you have no connectivity\n");
 110         printf("### to the PoP and this is most probably the problem\n");
 111         printf("\n");
 112         system_arg(TRACEROUTE4, hTunnel->sIPv4_POP);
 113         if (!test_ask(automatic) || !g_aiccu->running) return;
 114
 115         printf("###### [%u/%u] Checking if we can ping IPv6 localhost (::1)\n",
 116                 t++, tottests);
 117         printf("### This confirms if your IPv6 is working\n");
 118         printf("### If ::1 doesn't reply then something is wrong with your IPv6 stack\n");
 119         printf("\n");
 120         system_arg(PING6, PINGCOUNT, "::1");
 121         if (!test_ask(automatic) || !g_aiccu->running) return;
 122
 123         printf("###### [%u/%u] Ping the IPv6 Local/Your Inner Tunnel Endpoint (%s)\n",
 124                 t++, tottests, hTunnel->sIPv6_Local);
 125         printf("### This confirms that your tunnel is configured\n");
 126         printf("### If it doesn't reply then check your interface and routing tables\n");
 127         printf("\n");
 128         system_arg(PING6, PINGCOUNT, hTunnel->sIPv6_Local);
 129         if (!test_ask(automatic) || !g_aiccu->running) return;
 130
 131         printf("###### [%u/%u] Ping the IPv6 Remote/PoP Inner Tunnel Endpoint (%s)\n",
 132                 t++, tottests, hTunnel->sIPv6_POP);
 133         printf("### This confirms the reachability of the other side of the tunnel\n");
 134         printf("### If it doesn't reply then check your interface and routing tables\n");
 135         printf("### Don't forget to check your firewall of course\n");
 136         printf("### If the previous test was succesful then this could be both\n");
 137         printf("### a firewalling and a routing/interface problem\n");
 138         printf("\n");
 139         system_arg(PING6, PINGCOUNT, hTunnel->sIPv6_POP);
 140         if (!test_ask(automatic) || !g_aiccu->running) return;
 141
 142         printf("###### [%u/%u] Traceroute6 to the central SixXS machine (noc.sixxs.net)\n",
 143                 t++, tottests);
 144         printf("### This confirms that you can reach the central machine of SixXS\n");
 145         printf("### If that one is reachable you should be able to reach most IPv6 destinations\n");
 146         printf("### Also check http://www.sixxs.net/ipv6calc/ which should show an IPv6 connection\n");
 147         printf("### If your browser supports IPv6 and uses it of course.\n");
 148         printf("\n");
 149         system_arg(TRACEROUTE6, "noc.sixxs.net");
 150         if (!test_ask(automatic) || !g_aiccu->running) return;
 151
 152         printf("###### [%u/%u] Traceroute6 to (www.kame.net)\n",
 153                 t++, tottests);
 154         printf("### This confirms that you can reach a Japanese IPv6 destination\n");
 155         printf("### If that one is reachable you should be able to reach most IPv6 destinations\n");
 156         printf("### You should also check http://www.kame.net which should display\n");
 157         printf("### a animated kame (turtle), of course only when your browser supports and uses IPv6\n");
 158         printf("\n");
 159         system_arg(TRACEROUTE6, "www.kame.net");
 160         if (!test_ask(automatic) || !g_aiccu->running) return;
 161
 162         printf("###### ACCU Quick Connectivity Test (done)\n\n");
 163
 164         printf("### Either the above all works and gives no problems\n");
 165         printf("### or it shows you where what goes wrong\n");
 166         printf("### Check the SixXS FAQ (http://www.sixxs.net/faq/\n");
 167         printf("### for more information and possible solutions or hints\n");
 168         printf("### Don't forget to check the Forums (http://www.sixxs.net/forum/)\n");
 169         printf("### for a helping hand.\n");
 170         printf("### Passing the output of 'aiccu autotest >aiccu.log' is a good idea.\n");
 171
 172         if (!automatic)
 173         {
 174                 /* Wait for a keypress */
 175                 printf("\n\n*** press a key to continue ***\n");
 176                 getchar();
 177         }
 178 }
 179