/*
subnet.c -- handle subnet lookups and lists
- Copyright (C) 2000-2003 Guus Sliepen <guus@sliepen.eu.org>,
- 2000-2003 Ivo Timmermans <ivo@o2w.nl>
+ Copyright (C) 2000-2006 Guus Sliepen <guus@tinc-vpn.org>,
+ 2000-2005 Ivo Timmermans
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
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- $Id: subnet.c,v 1.1.2.52 2003/12/12 19:52:25 guus Exp $
+ $Id$
*/
#include "system.h"
-#include "avl_tree.h"
+#include "splay_tree.h"
+#include "device.h"
#include "logger.h"
#include "net.h"
#include "netutl.h"
#include "node.h"
+#include "process.h"
#include "subnet.h"
#include "utils.h"
#include "xalloc.h"
/* lists type of subnet */
-avl_tree_t *subnet_tree;
+splay_tree_t *subnet_tree;
/* Subnet comparison */
{
cp();
- subnet_tree = avl_alloc_tree((avl_compare_t) subnet_compare, (avl_action_t) free_subnet);
+ subnet_tree = splay_alloc_tree((splay_compare_t) subnet_compare, (splay_action_t) free_subnet);
}
void exit_subnets(void)
{
cp();
- avl_delete_tree(subnet_tree);
+ splay_delete_tree(subnet_tree);
}
-avl_tree_t *new_subnet_tree(void)
+splay_tree_t *new_subnet_tree(void)
{
cp();
- return avl_alloc_tree((avl_compare_t) subnet_compare, NULL);
+ return splay_alloc_tree((splay_compare_t) subnet_compare, NULL);
}
-void free_subnet_tree(avl_tree_t *subnet_tree)
+void free_subnet_tree(splay_tree_t *subnet_tree)
{
cp();
- avl_delete_tree(subnet_tree);
+ splay_delete_tree(subnet_tree);
}
/* Allocating and freeing space for subnets */
subnet->owner = n;
- avl_insert(subnet_tree, subnet);
- avl_insert(n->subnet_tree, subnet);
+ splay_insert(subnet_tree, subnet);
+ splay_insert(n->subnet_tree, subnet);
}
void subnet_del(node_t *n, subnet_t *subnet)
{
cp();
- avl_delete(n->subnet_tree, subnet);
- avl_delete(subnet_tree, subnet);
+ splay_delete(n->subnet_tree, subnet);
+ splay_delete(subnet_tree, subnet);
}
/* Ascii representation of subnets */
{
cp();
+ if(!netstr || !subnet) {
+ logger(LOG_ERR, _("net2str() was called with netstr=%p, subnet=%p!\n"), netstr, subnet);
+ return false;
+ }
+
switch (subnet->type) {
case SUBNET_MAC:
snprintf(netstr, len, "%hx:%hx:%hx:%hx:%hx:%hx",
exit(0);
}
- return netstr;
+ return true;
}
/* Subnet lookup routines */
{
cp();
- return avl_search(owner->subnet_tree, subnet);
+ return splay_search(owner->subnet_tree, subnet);
}
subnet_t *lookup_subnet_mac(const mac_t *address)
subnet.net.mac.address = *address;
subnet.owner = NULL;
- p = avl_search(subnet_tree, &subnet);
+ p = splay_search(subnet_tree, &subnet);
return p;
}
do {
/* Go find subnet */
- p = avl_search_closest_smaller(subnet_tree, &subnet);
+ p = splay_search_closest_smaller(subnet_tree, &subnet);
/* Check if the found subnet REALLY matches */
break;
}
- if(!maskcmp(address, &p->net.ipv4.address, p->net.ipv4.prefixlength, sizeof(ipv4_t)))
+ if(!maskcmp(address, &p->net.ipv4.address, p->net.ipv4.prefixlength))
break;
else {
/* Otherwise, see if there is a bigger enclosing subnet */
do {
/* Go find subnet */
- p = avl_search_closest_smaller(subnet_tree, &subnet);
+ p = splay_search_closest_smaller(subnet_tree, &subnet);
/* Check if the found subnet REALLY matches */
if(p->type != SUBNET_IPV6)
return NULL;
- if(!maskcmp(address, &p->net.ipv6.address, p->net.ipv6.prefixlength, sizeof(ipv6_t)))
+ if(!maskcmp(address, &p->net.ipv6.address, p->net.ipv6.prefixlength))
break;
else {
/* Otherwise, see if there is a bigger enclosing subnet */
return p;
}
+void subnet_update(node_t *owner, subnet_t *subnet, bool up) {
+ splay_node_t *node;
+ int i;
+ char *envp[8];
+ char netstr[MAXNETSTR + 7] = "SUBNET=";
+ char *name, *address, *port;
+
+ asprintf(&envp[0], "NETNAME=%s", netname ? : "");
+ asprintf(&envp[1], "DEVICE=%s", device ? : "");
+ asprintf(&envp[2], "INTERFACE=%s", iface ? : "");
+ asprintf(&envp[3], "NODE=%s", owner->name);
+
+ if(owner != myself) {
+ sockaddr2str(&owner->address, &address, &port);
+ asprintf(&envp[4], "REMOTEADDRESS=%s", address);
+ asprintf(&envp[5], "REMOTEPORT=%s", port);
+ envp[6] = netstr;
+ envp[7] = NULL;
+ } else {
+ envp[4] = netstr;
+ envp[5] = NULL;
+ }
+
+ name = up ? "subnet-up" : "subnet-down";
+
+ if(!subnet) {
+ for(node = owner->subnet_tree->head; node; node = node->next) {
+ subnet = node->data;
+ if(!net2str(netstr + 7, sizeof netstr - 7, subnet))
+ continue;
+ execute_script(name, envp);
+ }
+ } else {
+ if(net2str(netstr + 7, sizeof netstr - 7, subnet))
+ execute_script(name, envp);
+ }
+
+ for(i = 0; i < (owner != myself ? 6 : 4); i++)
+ free(envp[i]);
+
+ if(owner != myself) {
+ free(address);
+ free(port);
+ }
+}
+
void dump_subnets(void)
{
char netstr[MAXNETSTR];
subnet_t *subnet;
- avl_node_t *node;
+ splay_node_t *node;
cp();