HUP signal now closes connections to hosts if their host config file is

gone or changed. The tinc.conf file is reread for changes in the ConnectTo
lines.

diff --git a/src/net.c b/src/net.c
index ee18037..c1030b5 100644 (file)
--- 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 1.35.4.183 2003/01/17 00:37:18 guus Exp $
+    $Id: net.c,v 1.35.4.184 2003/04/03 11:43:17 guus Exp $
 */
 
 #include "config.h"
@@ -329,12 +329,13 @@ void main_loop(void)
        fd_set fset;
        struct timeval tv;
        int r, maxfd;
-       time_t last_ping_check;
+       time_t last_ping_check, last_config_check;
        event_t *event;
 
        cp();
 
        last_ping_check = now;
+       last_config_check = now;
        srand(now);
 
        for(;;) {
@@ -407,24 +408,46 @@ void main_loop(void)
                }
 
                if(sighup) {
+                       connection_t *c;
+                       avl_node_t *node;
+                       char *fname;
+                       struct stat s;
+                       
                        sighup = 0;
-                       close_network_connections();
-                       exit_configuration(&config_tree);
-
-                       syslog(LOG_INFO, _("Rereading configuration file and restarting in 5 seconds..."));
-                       sleep(5);
+                       
+                       /* Reread our own configuration file */
 
+                       exit_configuration(&config_tree);
                        init_configuration(&config_tree);
 
                        if(read_server_config()) {
-                               syslog(LOG_ERR,
-                                          _("Unable to reread configuration file, exitting."));
+                               syslog(LOG_ERR, _("Unable to reread configuration file, exitting."));
                                exit(1);
                        }
 
-                       if(setup_network_connections())
-                               return;
+                       /* Close connections to hosts that have a changed or deleted host config file */
+                       
+                       for(node = connection_tree->head; node; node = node->next) {
+                               c = (connection_t *) node->data;
+                               
+                               if(c->outgoing) {
+                                       free(c->outgoing->name);
+                                       free(c->outgoing);
+                                       c->outgoing = NULL;
+                               }
+                               
+                               asprintf(&fname, "%s/hosts/%s", confbase, c->name);
+                               if(stat(fname, &s) || s.st_mtime > last_config_check)
+                                       terminate_connection(c, c->status.active);
+                               free(fname);
+                       }
+
+                       last_config_check = now;
 
+                       /* Try to make outgoing connections */
+                       
+                       try_outgoing_connections();
+                                               
                        continue;
                }
        }