Allow list of environment variables to be passed to execute_script().

[tinc] / src / graph.c

diff --git a/src/graph.c b/src/graph.c
index 29e25db..7d9caf2 100644 (file)
--- a/src/graph.c
+++ b/src/graph.c
@@ -1,7 +1,7 @@
 /*
     graph.c -- graph algorithms
-    Copyright (C) 2001-2002 Guus Sliepen <guus@sliepen.warande.net>,
-                  2001-2002 Ivo Timmermans <itimmermans@bigfoot.com>
+    Copyright (C) 2001-2002 Guus Sliepen <guus@sliepen.eu.org>,
+                  2001-2002 Ivo Timmermans <ivo@o2w.nl>
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -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: graph.c,v 1.1.2.10 2002/03/19 22:48:25 guus Exp $
+    $Id: graph.c,v 1.1.2.14 2002/07/10 11:27:06 guus Exp $
 */
 
 /* We need to generate two trees from the graph:
@@ -44,10 +44,13 @@
    destination address and port of a node if possible.
 */
 
+#include "config.h"
+
+#include <stdio.h>
 #include <syslog.h>
 #include "config.h"
 #include <string.h>
-#if defined(HAVE_FREEBSD) || defined(HAVE_OPENBSD)
+#ifdef HAVE_SYS_PARAM_H
  #include <sys/param.h>
 #endif
 #include <netinet/in.h>
@@ -59,6 +62,8 @@
 #include "node.h"
 #include "edge.h"
 #include "connection.h"
+#include "process.h"
+#include "device.h"
 
 #include "system.h"
 
@@ -152,6 +157,10 @@ void sssp_bfs(void)
   halfconnection_t to_hc, from_hc;
   avl_tree_t *todo_tree;
   int indirect;
+  char *name;
+  char *address, *port;
+  char *envp[7];
+  int i;
 
   todo_tree = avl_alloc_tree(NULL, NULL);
 
@@ -248,26 +257,40 @@ void sssp_bfs(void)
       next = node->next;
       n = (node_t *)node->data;
 
-      if(n->status.visited)
+      if(n->status.visited ^ n->status.reachable)
       {
-        if(!n->status.reachable)
-       {
-          if(debug_lvl >= DEBUG_TRAFFIC)
+        n->status.reachable = !n->status.reachable;
+        if(debug_lvl >= DEBUG_TRAFFIC)
+         if(n->status.reachable)
             syslog(LOG_DEBUG, _("Node %s (%s) became reachable"), n->name, n->hostname);
-          n->status.reachable = 1;
-       }
-      }
-      else
-      {
-        if(n->status.reachable)
-       {
-          if(debug_lvl >= DEBUG_TRAFFIC)
-            syslog(LOG_DEBUG, _("Node %s (%s) became unreachable"), n->name, n->hostname);
-          n->status.reachable = 0;
-         n->status.validkey = 0;
-         n->status.waitingforkey = 0;
-         n->sent_seqno = 0;
-       }
+         else
+           syslog(LOG_DEBUG, _("Node %s (%s) became unreachable"), n->name, n->hostname);
+
+          if(!n->status.reachable)
+            {
+              n->status.reachable = 0;
+             n->status.validkey = 0;
+             n->status.waitingforkey = 0;
+             n->sent_seqno = 0;
+            }
+
+       asprintf(&envp[0], "NETNAME=%s", netname?netname:"");
+       asprintf(&envp[1], "DEVICE=%s", device?device:"");
+       asprintf(&envp[2], "INTERFACE=%s", interface?interface:"");
+       asprintf(&envp[3], "NODE=%s", n->name);
+       sockaddr2str(&n->address, &address, &port);
+        asprintf(&envp[4], "REMOTEADDRESS=%s", address);
+       asprintf(&envp[5], "REMOTEPORT=%s", port);
+       envp[6] = NULL;
+
+       asprintf(&name, n->status.reachable?"hosts/%s-up":"hosts/%s-down", n->name);
+       execute_script(name, envp);
+       free(name);
+        free(address);
+       free(port);
+
+       for(i = 0; i < 7; i++)
+         free(envp[i]);
       }
     }
 }