Fix a possible crash when sending the HUP signal.

[tinc] / src / net.c

diff --git a/src/net.c b/src/net.c
index 3197036..59dd39b 100644 (file)
--- a/src/net.c
+++ b/src/net.c
@@ -431,7 +431,7 @@ int main_loop(void) {
 
                if(sighup) {
                        connection_t *c;
-                       avl_node_t *node;
+                       avl_node_t *node, *next;
                        char *fname;
                        struct stat s;
                        
@@ -447,6 +447,31 @@ int main_loop(void) {
                                return 1;
                        }
 
+                       /* Cancel non-active outgoing connections */
+
+                       for(node = connection_tree->head; node; node = next) {
+                               next = node->next;
+                               c = node->data;
+
+                               c->outgoing = NULL;
+
+                               if(c->status.connecting) {
+                                       terminate_connection(c, false);
+                                       connection_del(c);
+                               }
+                       }
+
+                       /* Wipe list of outgoing connections */
+
+                       for(list_node_t *node = outgoing_list->head; node; node = node->next) {
+                               outgoing_t *outgoing = node->data;
+
+                               if(outgoing->event)
+                                       event_del(outgoing->event);
+                       }
+
+                       list_delete_list(outgoing_list);
+
                        /* Close connections to hosts that have a changed or deleted host config file */
                        
                        for(node = connection_tree->head; node; node = node->next) {