X-Git-Url: https://www.tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fnet.c;h=dd692e8e547e357e52ea073f273f88ca5a43565d;hp=bd991e905689ea910fdfa0101467718eeb3c062a;hb=afc05797077641baa33b024ffeaafd6cad3ff7a7;hpb=d38772ebc42f5ad1d946ee89d955f5d43bb2fe8c

diff --git a/src/net.c b/src/net.c
index bd991e90..dd692e8e 100644
--- a/src/net.c
+++ b/src/net.c
@@ -17,7 +17,7 @@
     along with this program; if not, write to the Free Software
     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
-    $Id: net.c,v 1.35.4.62 2000/11/04 14:16:46 zarq Exp $
+    $Id: net.c,v 1.35.4.66 2000/11/04 20:44:26 guus Exp $
 */
 
 #include "config.h"
@@ -88,8 +88,6 @@ int execute_script(const char* name)
   pid_t pid;
   char *s;
 
-  asprintf(&scriptname, "%s/%s", confbase, name);
-
   if((pid = fork()) < 0)
     {
       syslog(LOG_ERR, _("System call `%s' failed: %m"),
@@ -99,14 +97,33 @@ int execute_script(const char* name)
 
   if(pid)
     {
-      free(scriptname);
       return 0;
     }
 
   /* Child here */
 
+  asprintf(&scriptname, "%s/%s", confbase, name);
   asprintf(&s, "IFNAME=%s", interface_name);
   putenv(s);
+  free(s);
+
+  if(netname)
+    {
+      asprintf(&s, "NETNAME=%s", netname);
+      putenv(s);
+      free(s);
+    }
+  else
+    {
+      unsetenv("NETNAME");
+    }
+
+  if(chdir(confbase) < 0)
+    {
+      syslog(LOG_ERR, _("Couldn't chdir to `%s': %m"),
+	     confbase);
+    }
+  
   execl(scriptname, NULL);
   /* No return on success */
   
@@ -143,8 +160,6 @@ cp
 
   total_socket_out += outlen;
 
-  cl->want_ping = 1;
-
   if((send(cl->socket, (char *) &(outpkt.len), outlen, 0)) < 0)
     {
       syslog(LOG_ERR, _("Error sending packet to %s (%s): %m"),
@@ -341,10 +356,21 @@ cp
         }
 
       return -1;
-   }
+    }
 
   cl = subnet->owner;
     
+  if(cl == myself)
+    {
+      if(debug_lvl >= DEBUG_TRAFFIC)
+        {
+          syslog(LOG_NOTICE, _("Packet with destination %d.%d.%d.%d is looping back to us!"),
+	         IP_ADDR_V(to));
+        }
+
+      return -1;
+    }
+
   /* If we ourselves have indirectdata flag set, we should send only to our uplink! */
 
   /* FIXME - check for indirection and reprogram it The Right Way(tm) this time. */
@@ -678,7 +704,6 @@ cp
   ncn->buffer = xmalloc(MAXBUFSIZE);
   ncn->buflen = 0;
   ncn->last_ping_time = time(NULL);
-  ncn->want_ping = 0;
 
   conn_list_add(ncn);
 
@@ -861,9 +886,15 @@ int setup_network_connections(void)
   config_t const *cfg;
 cp
   if((cfg = get_config_val(config, pingtimeout)) == NULL)
-    timeout = 5;
+    timeout = 60;
   else
-    timeout = cfg->data.val;
+    {
+      timeout = cfg->data.val;
+      if(timeout < 1)
+        {
+          timeout = 86400;
+        }
+     }
 
   if(setup_tap_fd() < 0)
     return -1;
@@ -999,7 +1030,6 @@ cp
   p->buffer = xmalloc(MAXBUFSIZE);
   p->buflen = 0;
   p->last_ping_time = time(NULL);
-  p->want_ping = 0;
   
   if(debug_lvl >= DEBUG_CONNECTIONS)
     syslog(LOG_NOTICE, _("Connection from %s port %d"),
@@ -1153,7 +1183,7 @@ cp
 	{
           if(p->last_ping_time + timeout < now)
             {
-              if(p->status.pinged && !p->status.got_pong)
+              if(p->status.pinged)
                 {
                   if(debug_lvl >= DEBUG_PROTOCOL)
   	            syslog(LOG_INFO, _("%s (%s) didn't respond to PING"),
@@ -1161,12 +1191,9 @@ cp
 	          p->status.timeout = 1;
 	          terminate_connection(p);
                 }
-              else if(p->want_ping)
+              else
                 {
                   send_ping(p);
-                  p->last_ping_time = now;
-                  p->status.pinged = 1;
-                  p->status.got_pong = 0;
                 }
             }
 	}