-subnet_t *lookup_subnet_ipv6(ipv6_t *address)
-{
- subnet_t subnet, *p;
-cp
- subnet.type = SUBNET_IPV6;
- memcpy(&subnet.net.ipv6.address, address, sizeof(ipv6_t));
- subnet.net.ipv6.masklength = 128;
-
- do
- {
- /* Go find subnet */
-
- p = (subnet_t *)avl_search_closest_smaller(subnet_tree, &subnet);
-
- /* Check if the found subnet REALLY matches */
-
-cp
- if(p)
- {
- if(p->type != SUBNET_IPV6)
- return NULL;
-
- if (!maskcmp((char *)address, (char *)&p->net.ipv6.address, p->net.ipv6.masklength, sizeof(ipv6_t)))
- break;
- else
- {
- /* Otherwise, see if there is a bigger enclosing subnet */
-
- subnet.net.ipv6.masklength = p->net.ipv6.masklength - 1;
- maskcpy((char *)&subnet.net.ipv6.address, (char *)&p->net.ipv6.address, subnet.net.ipv6.masklength, sizeof(ipv6_t));
- }
- }
- } while (p);
-
- return p;
+void subnet_update(node_t *owner, subnet_t *subnet, bool up) {
+ avl_node_t *node;
+ int i;
+ char *envp[10] = {NULL};
+ char netstr[MAXNETSTR];
+ char *name, *address, *port;
+ char empty[] = "";
+
+ // Prepare environment variables to be passed to the script
+
+ xasprintf(&envp[0], "NETNAME=%s", netname ? netname : "");
+ xasprintf(&envp[1], "DEVICE=%s", device ? device : "");
+ xasprintf(&envp[2], "INTERFACE=%s", iface ? iface : "");
+ xasprintf(&envp[3], "NODE=%s", owner->name);
+ xasprintf(&envp[4], "NAME=%s", myself->name);
+
+ if(owner != myself) {
+ sockaddr2str(&owner->address, &address, &port);
+ // 5 and 6 are reserved for SUBNET and WEIGHT
+ xasprintf(&envp[7], "REMOTEADDRESS=%s", address);
+ xasprintf(&envp[8], "REMOTEPORT=%s", port);
+ free(port);
+ free(address);
+ }
+
+ name = up ? "subnet-up" : "subnet-down";
+
+ if(!subnet) {
+ for(node = owner->subnet_tree->head; node; node = node->next) {
+ subnet = node->data;
+
+ if(!net2str(netstr, sizeof(netstr), subnet)) {
+ continue;
+ }
+
+ // Strip the weight from the subnet, and put it in its own environment variable
+ char *weight = strchr(netstr, '#');
+
+ if(weight) {
+ *weight++ = 0;
+ } else {
+ weight = empty;
+ }
+
+ // Prepare the SUBNET and WEIGHT variables
+ free(envp[5]);
+ free(envp[6]);
+
+ xasprintf(&envp[5], "SUBNET=%s", netstr);
+ xasprintf(&envp[6], "WEIGHT=%s", weight);
+
+ execute_script(name, envp);
+ }
+ } else {
+ if(net2str(netstr, sizeof(netstr), subnet)) {
+ // Strip the weight from the subnet, and put it in its own environment variable
+ char *weight = strchr(netstr, '#');
+
+ if(weight) {
+ *weight++ = 0;
+ } else {
+ weight = empty;
+ }
+
+ // Prepare the SUBNET and WEIGHT variables
+ xasprintf(&envp[5], "SUBNET=%s", netstr);
+ xasprintf(&envp[6], "WEIGHT=%s", weight);
+
+ execute_script(name, envp);
+ }
+ }
+
+ for(i = 0; i < 9; i++) {
+ free(envp[i]);
+ }