2000-10-01 03:21:49 +00:00
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/*
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subnet.c -- handle subnet lookups and lists
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2009-03-05 13:12:36 +00:00
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Copyright (C) 2000-2009 Guus Sliepen <guus@tinc-vpn.org>,
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2006-04-26 13:52:58 +00:00
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2000-2005 Ivo Timmermans
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2000-10-01 03:21:49 +00:00
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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2004-03-21 14:21:22 +00:00
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$Id$
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2000-10-01 03:21:49 +00:00
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*/
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2003-07-17 15:06:27 +00:00
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#include "system.h"
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2002-02-18 16:25:19 +00:00
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2003-07-17 15:06:27 +00:00
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#include "avl_tree.h"
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2004-12-01 20:06:05 +00:00
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#include "device.h"
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2003-07-17 15:06:27 +00:00
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#include "logger.h"
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2000-11-03 22:35:12 +00:00
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#include "net.h"
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2003-07-17 15:06:27 +00:00
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#include "netutl.h"
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2001-10-27 12:13:17 +00:00
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#include "node.h"
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2004-12-01 20:06:05 +00:00
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#include "process.h"
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2000-11-03 22:35:12 +00:00
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#include "subnet.h"
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2003-07-17 15:06:27 +00:00
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#include "utils.h"
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#include "xalloc.h"
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2000-11-03 22:35:12 +00:00
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2000-10-28 16:41:40 +00:00
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/* lists type of subnet */
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2001-01-05 23:53:53 +00:00
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avl_tree_t *subnet_tree;
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2000-11-20 19:41:13 +00:00
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2009-03-05 12:34:13 +00:00
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/* Subnet lookup cache */
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static ipv4_t cache_ipv4_address[2];
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static subnet_t *cache_ipv4_subnet[2];
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static bool cache_ipv4_valid[2];
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static int cache_ipv4_slot;
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static ipv6_t cache_ipv6_address[2];
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static subnet_t *cache_ipv6_subnet[2];
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static bool cache_ipv6_valid[2];
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static int cache_ipv6_slot;
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void subnet_cache_flush() {
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cache_ipv4_valid[0] = cache_ipv4_valid[1] = false;
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cache_ipv6_valid[0] = cache_ipv6_valid[1] = false;
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}
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2000-11-20 19:12:17 +00:00
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/* Subnet comparison */
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2000-10-01 03:21:49 +00:00
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2003-07-24 12:08:16 +00:00
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static int subnet_compare_mac(const subnet_t *a, const subnet_t *b)
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2000-10-01 03:21:49 +00:00
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{
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2002-09-09 21:25:28 +00:00
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int result;
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result = memcmp(&a->net.mac.address, &b->net.mac.address, sizeof(mac_t));
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2009-03-05 12:34:13 +00:00
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if(result)
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return result;
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result = a->weight - b->weight;
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2002-09-09 21:25:28 +00:00
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if(result || !a->owner || !b->owner)
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return result;
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return strcmp(a->owner->name, b->owner->name);
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2000-10-01 03:21:49 +00:00
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}
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2003-07-24 12:08:16 +00:00
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static int subnet_compare_ipv4(const subnet_t *a, const subnet_t *b)
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2000-10-01 03:21:49 +00:00
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{
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2002-09-09 21:25:28 +00:00
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int result;
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2009-03-05 12:34:13 +00:00
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result = b->net.ipv4.prefixlength - a->net.ipv4.prefixlength;
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2002-09-09 21:25:28 +00:00
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if(result)
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return result;
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2009-03-05 12:34:13 +00:00
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result = memcmp(&a->net.ipv4.address, &b->net.ipv4.address, sizeof(ipv4_t));
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if(result)
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return result;
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result = a->weight - b->weight;
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2002-09-09 21:25:28 +00:00
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if(result || !a->owner || !b->owner)
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return result;
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return strcmp(a->owner->name, b->owner->name);
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2000-11-20 19:12:17 +00:00
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}
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2000-10-01 03:21:49 +00:00
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2003-07-24 12:08:16 +00:00
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static int subnet_compare_ipv6(const subnet_t *a, const subnet_t *b)
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2000-10-01 03:21:49 +00:00
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{
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2002-09-09 21:25:28 +00:00
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int result;
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2009-03-05 12:34:13 +00:00
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result = b->net.ipv6.prefixlength - a->net.ipv6.prefixlength;
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2002-09-09 21:25:28 +00:00
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if(result)
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return result;
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2009-03-05 12:34:13 +00:00
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result = memcmp(&a->net.ipv6.address, &b->net.ipv6.address, sizeof(ipv6_t));
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2002-09-09 21:25:28 +00:00
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2009-03-05 12:34:13 +00:00
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if(result)
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return result;
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result = a->weight - b->weight;
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2002-09-09 21:25:28 +00:00
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if(result || !a->owner || !b->owner)
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return result;
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return strcmp(a->owner->name, b->owner->name);
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2000-11-20 19:12:17 +00:00
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}
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2000-10-24 15:46:18 +00:00
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2003-11-17 15:30:18 +00:00
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int subnet_compare(const subnet_t *a, const subnet_t *b)
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2000-11-20 19:12:17 +00:00
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{
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2002-09-09 21:25:28 +00:00
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int result;
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result = a->type - b->type;
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if(result)
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return result;
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switch (a->type) {
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case SUBNET_MAC:
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return subnet_compare_mac(a, b);
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case SUBNET_IPV4:
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return subnet_compare_ipv4(a, b);
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case SUBNET_IPV6:
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return subnet_compare_ipv6(a, b);
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default:
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2003-07-12 17:41:48 +00:00
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logger(LOG_ERR, _("subnet_compare() was called with unknown subnet type %d, exitting!"),
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2002-09-09 21:25:28 +00:00
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a->type);
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cp_trace();
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exit(0);
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}
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return 0;
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2000-10-01 03:21:49 +00:00
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}
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2001-10-28 22:42:49 +00:00
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/* Initialising trees */
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void init_subnets(void)
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{
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2002-09-09 21:25:28 +00:00
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cp();
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subnet_tree = avl_alloc_tree((avl_compare_t) subnet_compare, (avl_action_t) free_subnet);
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2009-03-05 12:34:13 +00:00
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subnet_cache_flush();
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2001-10-28 22:42:49 +00:00
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}
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void exit_subnets(void)
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{
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2002-09-09 21:25:28 +00:00
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cp();
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avl_delete_tree(subnet_tree);
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2001-10-28 22:42:49 +00:00
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}
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avl_tree_t *new_subnet_tree(void)
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{
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2002-09-09 21:25:28 +00:00
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cp();
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return avl_alloc_tree((avl_compare_t) subnet_compare, NULL);
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2001-10-28 22:42:49 +00:00
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}
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2002-09-09 22:33:31 +00:00
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void free_subnet_tree(avl_tree_t *subnet_tree)
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2001-10-28 22:42:49 +00:00
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{
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2002-09-09 21:25:28 +00:00
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cp();
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avl_delete_tree(subnet_tree);
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2001-10-28 22:42:49 +00:00
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}
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2000-11-20 19:12:17 +00:00
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/* Allocating and freeing space for subnets */
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subnet_t *new_subnet(void)
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2000-10-01 03:21:49 +00:00
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{
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2002-09-09 21:25:28 +00:00
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cp();
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2003-08-28 21:05:11 +00:00
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return xmalloc_and_zero(sizeof(subnet_t));
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2000-11-20 19:12:17 +00:00
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}
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2000-10-28 16:41:40 +00:00
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2002-09-09 22:33:31 +00:00
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void free_subnet(subnet_t *subnet)
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2000-11-20 19:12:17 +00:00
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{
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2002-09-09 21:25:28 +00:00
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cp();
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free(subnet);
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2000-11-20 19:12:17 +00:00
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}
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2000-10-24 15:46:18 +00:00
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2001-10-30 12:59:12 +00:00
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/* Adding and removing subnets */
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2000-10-28 16:41:40 +00:00
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2002-09-09 22:33:31 +00:00
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void subnet_add(node_t *n, subnet_t *subnet)
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2000-11-20 19:12:17 +00:00
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{
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2002-09-09 21:25:28 +00:00
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cp();
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subnet->owner = n;
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2001-06-06 19:11:16 +00:00
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2002-09-09 21:25:28 +00:00
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avl_insert(subnet_tree, subnet);
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avl_insert(n->subnet_tree, subnet);
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2009-03-05 12:34:13 +00:00
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subnet_cache_flush();
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2000-11-20 19:12:17 +00:00
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}
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2000-10-11 10:35:17 +00:00
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2002-09-09 22:33:31 +00:00
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void subnet_del(node_t *n, subnet_t *subnet)
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2000-11-20 19:12:17 +00:00
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{
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2002-09-09 21:25:28 +00:00
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cp();
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avl_delete(n->subnet_tree, subnet);
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avl_delete(subnet_tree, subnet);
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2009-03-05 12:34:13 +00:00
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subnet_cache_flush();
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2000-10-01 03:21:49 +00:00
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}
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/* Ascii representation of subnets */
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2003-12-12 19:52:25 +00:00
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bool str2net(subnet_t *subnet, const char *subnetstr)
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2000-10-01 03:21:49 +00:00
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{
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2002-09-09 21:25:28 +00:00
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int i, l;
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uint16_t x[8];
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2009-03-05 12:34:13 +00:00
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int weight = 10;
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2002-09-09 21:25:28 +00:00
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cp();
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2009-03-05 12:34:13 +00:00
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if(sscanf(subnetstr, "%hu.%hu.%hu.%hu/%d#%d",
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&x[0], &x[1], &x[2], &x[3], &l, &weight) >= 5) {
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2007-12-14 21:17:08 +00:00
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if(l < 0 || l > 32)
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return false;
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2002-09-09 21:25:28 +00:00
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subnet->type = SUBNET_IPV4;
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subnet->net.ipv4.prefixlength = l;
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2009-03-05 12:34:13 +00:00
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subnet->weight = weight;
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2002-09-09 21:25:28 +00:00
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2007-12-14 21:17:08 +00:00
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for(i = 0; i < 4; i++) {
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if(x[i] > 255)
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return false;
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2002-09-09 21:25:28 +00:00
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subnet->net.ipv4.address.x[i] = x[i];
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2007-12-14 21:17:08 +00:00
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}
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2002-09-09 21:25:28 +00:00
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2003-12-12 19:52:25 +00:00
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return true;
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2002-09-09 21:25:28 +00:00
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}
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2009-03-05 12:34:13 +00:00
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if(sscanf(subnetstr, "%hx:%hx:%hx:%hx:%hx:%hx:%hx:%hx/%d#%d",
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2002-09-09 21:25:28 +00:00
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&x[0], &x[1], &x[2], &x[3], &x[4], &x[5], &x[6], &x[7],
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2009-03-05 12:34:13 +00:00
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&l, &weight) >= 9) {
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2007-12-14 21:17:08 +00:00
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if(l < 0 || l > 128)
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return false;
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2002-09-09 21:25:28 +00:00
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subnet->type = SUBNET_IPV6;
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subnet->net.ipv6.prefixlength = l;
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2009-03-05 12:34:13 +00:00
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subnet->weight = weight;
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2002-09-09 21:25:28 +00:00
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for(i = 0; i < 8; i++)
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subnet->net.ipv6.address.x[i] = htons(x[i]);
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2003-12-12 19:52:25 +00:00
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return true;
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2002-09-09 21:25:28 +00:00
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}
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2009-03-05 12:34:13 +00:00
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if(sscanf(subnetstr, "%hu.%hu.%hu.%hu#%d", &x[0], &x[1], &x[2], &x[3], &weight) >= 4) {
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2002-09-09 21:25:28 +00:00
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subnet->type = SUBNET_IPV4;
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subnet->net.ipv4.prefixlength = 32;
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2009-03-05 12:34:13 +00:00
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subnet->weight = weight;
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2002-09-09 21:25:28 +00:00
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2007-12-14 21:17:08 +00:00
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for(i = 0; i < 4; i++) {
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if(x[i] > 255)
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return false;
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2002-09-09 21:25:28 +00:00
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subnet->net.ipv4.address.x[i] = x[i];
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2007-12-14 21:17:08 +00:00
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}
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2002-09-09 21:25:28 +00:00
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2003-12-12 19:52:25 +00:00
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return true;
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2002-09-09 21:25:28 +00:00
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}
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2009-03-05 12:34:13 +00:00
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if(sscanf(subnetstr, "%hx:%hx:%hx:%hx:%hx:%hx:%hx:%hx#%d",
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&x[0], &x[1], &x[2], &x[3], &x[4], &x[5], &x[6], &x[7], &weight) >= 8) {
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2002-09-09 21:25:28 +00:00
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subnet->type = SUBNET_IPV6;
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subnet->net.ipv6.prefixlength = 128;
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2009-03-05 12:34:13 +00:00
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subnet->weight = weight;
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2002-09-09 21:25:28 +00:00
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for(i = 0; i < 8; i++)
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subnet->net.ipv6.address.x[i] = htons(x[i]);
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2003-12-12 19:52:25 +00:00
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return true;
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2002-09-09 21:25:28 +00:00
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}
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2009-03-05 12:34:13 +00:00
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if(sscanf(subnetstr, "%hx:%hx:%hx:%hx:%hx:%hx#%d",
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&x[0], &x[1], &x[2], &x[3], &x[4], &x[5], &weight) >= 6) {
|
2002-09-09 21:25:28 +00:00
|
|
|
subnet->type = SUBNET_MAC;
|
2009-03-05 12:34:13 +00:00
|
|
|
subnet->weight = weight;
|
2002-09-09 21:25:28 +00:00
|
|
|
|
|
|
|
for(i = 0; i < 6; i++)
|
|
|
|
subnet->net.mac.address.x[i] = x[i];
|
|
|
|
|
2003-12-12 19:52:25 +00:00
|
|
|
return true;
|
2002-09-09 21:25:28 +00:00
|
|
|
}
|
|
|
|
|
2003-12-12 19:52:25 +00:00
|
|
|
return false;
|
2000-10-01 03:21:49 +00:00
|
|
|
}
|
|
|
|
|
2003-12-12 19:52:25 +00:00
|
|
|
bool net2str(char *netstr, int len, const subnet_t *subnet)
|
2000-10-01 03:21:49 +00:00
|
|
|
{
|
2002-09-09 21:25:28 +00:00
|
|
|
cp();
|
|
|
|
|
2005-04-06 20:43:37 +00:00
|
|
|
if(!netstr || !subnet) {
|
|
|
|
logger(LOG_ERR, _("net2str() was called with netstr=%p, subnet=%p!\n"), netstr, subnet);
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
2002-09-09 21:25:28 +00:00
|
|
|
switch (subnet->type) {
|
|
|
|
case SUBNET_MAC:
|
2009-03-05 12:34:13 +00:00
|
|
|
snprintf(netstr, len, "%hx:%hx:%hx:%hx:%hx:%hx#%d",
|
2002-09-09 21:25:28 +00:00
|
|
|
subnet->net.mac.address.x[0],
|
|
|
|
subnet->net.mac.address.x[1],
|
|
|
|
subnet->net.mac.address.x[2],
|
|
|
|
subnet->net.mac.address.x[3],
|
2009-03-05 12:34:13 +00:00
|
|
|
subnet->net.mac.address.x[4],
|
|
|
|
subnet->net.mac.address.x[5],
|
|
|
|
subnet->weight);
|
2002-09-09 21:25:28 +00:00
|
|
|
break;
|
|
|
|
|
|
|
|
case SUBNET_IPV4:
|
2009-03-05 12:34:13 +00:00
|
|
|
snprintf(netstr, len, "%hu.%hu.%hu.%hu/%d#%d",
|
2002-09-09 21:25:28 +00:00
|
|
|
subnet->net.ipv4.address.x[0],
|
|
|
|
subnet->net.ipv4.address.x[1],
|
|
|
|
subnet->net.ipv4.address.x[2],
|
2009-03-05 12:34:13 +00:00
|
|
|
subnet->net.ipv4.address.x[3],
|
|
|
|
subnet->net.ipv4.prefixlength,
|
|
|
|
subnet->weight);
|
2002-09-09 21:25:28 +00:00
|
|
|
break;
|
|
|
|
|
|
|
|
case SUBNET_IPV6:
|
2009-03-05 12:34:13 +00:00
|
|
|
snprintf(netstr, len, "%hx:%hx:%hx:%hx:%hx:%hx:%hx:%hx/%d#%d",
|
2002-09-09 21:25:28 +00:00
|
|
|
ntohs(subnet->net.ipv6.address.x[0]),
|
|
|
|
ntohs(subnet->net.ipv6.address.x[1]),
|
|
|
|
ntohs(subnet->net.ipv6.address.x[2]),
|
|
|
|
ntohs(subnet->net.ipv6.address.x[3]),
|
|
|
|
ntohs(subnet->net.ipv6.address.x[4]),
|
|
|
|
ntohs(subnet->net.ipv6.address.x[5]),
|
|
|
|
ntohs(subnet->net.ipv6.address.x[6]),
|
|
|
|
ntohs(subnet->net.ipv6.address.x[7]),
|
2009-03-05 12:34:13 +00:00
|
|
|
subnet->net.ipv6.prefixlength,
|
|
|
|
subnet->weight);
|
2002-09-09 21:25:28 +00:00
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
2003-07-12 17:41:48 +00:00
|
|
|
logger(LOG_ERR,
|
2002-09-09 21:25:28 +00:00
|
|
|
_("net2str() was called with unknown subnet type %d, exiting!"),
|
|
|
|
subnet->type);
|
|
|
|
cp_trace();
|
|
|
|
exit(0);
|
|
|
|
}
|
|
|
|
|
2004-11-01 15:16:12 +00:00
|
|
|
return true;
|
2000-10-01 03:21:49 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Subnet lookup routines */
|
2000-10-11 10:35:17 +00:00
|
|
|
|
2003-07-24 12:08:16 +00:00
|
|
|
subnet_t *lookup_subnet(const node_t *owner, const subnet_t *subnet)
|
2001-10-27 12:13:17 +00:00
|
|
|
{
|
2002-09-09 21:25:28 +00:00
|
|
|
cp();
|
|
|
|
|
|
|
|
return avl_search(owner->subnet_tree, subnet);
|
2001-10-27 12:13:17 +00:00
|
|
|
}
|
|
|
|
|
2003-07-24 12:08:16 +00:00
|
|
|
subnet_t *lookup_subnet_mac(const mac_t *address)
|
2000-10-11 10:35:17 +00:00
|
|
|
{
|
2003-07-30 11:50:45 +00:00
|
|
|
subnet_t *p, subnet = {0};
|
2002-09-09 21:25:28 +00:00
|
|
|
|
|
|
|
cp();
|
|
|
|
|
2003-07-30 11:50:45 +00:00
|
|
|
subnet.type = SUBNET_MAC;
|
|
|
|
subnet.net.mac.address = *address;
|
|
|
|
subnet.owner = NULL;
|
|
|
|
|
2003-08-28 21:05:11 +00:00
|
|
|
p = avl_search(subnet_tree, &subnet);
|
2002-09-09 21:25:28 +00:00
|
|
|
|
|
|
|
return p;
|
2000-10-11 10:35:17 +00:00
|
|
|
}
|
|
|
|
|
2003-07-24 12:08:16 +00:00
|
|
|
subnet_t *lookup_subnet_ipv4(const ipv4_t *address)
|
2000-10-11 10:35:17 +00:00
|
|
|
{
|
2009-03-05 12:34:13 +00:00
|
|
|
subnet_t *p, *r = NULL, subnet = {0};
|
|
|
|
avl_node_t *n;
|
|
|
|
int i;
|
2002-09-09 21:25:28 +00:00
|
|
|
|
|
|
|
cp();
|
|
|
|
|
2009-03-05 12:34:13 +00:00
|
|
|
// Check if this address is cached
|
|
|
|
|
|
|
|
for(i = 0; i < 2; i++) {
|
|
|
|
if(!cache_ipv4_valid[i])
|
|
|
|
continue;
|
|
|
|
if(!memcmp(address, &cache_ipv4_address[i], sizeof *address))
|
|
|
|
return cache_ipv4_subnet[i];
|
|
|
|
}
|
|
|
|
|
|
|
|
// Search all subnets for a matching one
|
|
|
|
|
2003-07-30 11:50:45 +00:00
|
|
|
subnet.type = SUBNET_IPV4;
|
|
|
|
subnet.net.ipv4.address = *address;
|
|
|
|
subnet.net.ipv4.prefixlength = 32;
|
|
|
|
subnet.owner = NULL;
|
|
|
|
|
2009-03-05 12:34:13 +00:00
|
|
|
for(n = subnet_tree->head; n; n = n->next) {
|
|
|
|
p = n->data;
|
|
|
|
|
|
|
|
if(!p || p->type != subnet.type)
|
|
|
|
continue;
|
2002-09-09 21:25:28 +00:00
|
|
|
|
2009-03-05 12:34:13 +00:00
|
|
|
if(!maskcmp(address, &p->net.ipv4.address, p->net.ipv4.prefixlength)) {
|
|
|
|
r = p;
|
|
|
|
if(p->owner->status.reachable)
|
2002-09-09 21:25:28 +00:00
|
|
|
break;
|
|
|
|
}
|
2009-03-05 12:34:13 +00:00
|
|
|
}
|
2002-09-09 21:25:28 +00:00
|
|
|
|
2009-03-05 12:34:13 +00:00
|
|
|
// Cache the result
|
|
|
|
|
|
|
|
cache_ipv4_slot = !cache_ipv4_slot;
|
|
|
|
memcpy(&cache_ipv4_address[cache_ipv4_slot], address, sizeof *address);
|
|
|
|
cache_ipv4_subnet[cache_ipv4_slot] = r;
|
|
|
|
cache_ipv4_valid[cache_ipv4_slot] = true;
|
|
|
|
|
|
|
|
return r;
|
2000-10-11 10:35:17 +00:00
|
|
|
}
|
|
|
|
|
2003-07-24 12:08:16 +00:00
|
|
|
subnet_t *lookup_subnet_ipv6(const ipv6_t *address)
|
2000-10-11 10:35:17 +00:00
|
|
|
{
|
2009-03-05 12:34:13 +00:00
|
|
|
subnet_t *p, *r = NULL, subnet = {0};
|
|
|
|
avl_node_t *n;
|
|
|
|
int i;
|
2002-09-09 21:25:28 +00:00
|
|
|
|
|
|
|
cp();
|
|
|
|
|
2009-03-05 12:34:13 +00:00
|
|
|
// Check if this address is cached
|
|
|
|
|
|
|
|
for(i = 0; i < 2; i++) {
|
|
|
|
if(!cache_ipv6_valid[i])
|
|
|
|
continue;
|
|
|
|
if(!memcmp(address, &cache_ipv6_address[i], sizeof *address))
|
|
|
|
return cache_ipv6_subnet[i];
|
|
|
|
}
|
|
|
|
|
|
|
|
// Search all subnets for a matching one
|
|
|
|
|
2003-07-30 11:50:45 +00:00
|
|
|
subnet.type = SUBNET_IPV6;
|
|
|
|
subnet.net.ipv6.address = *address;
|
|
|
|
subnet.net.ipv6.prefixlength = 128;
|
|
|
|
subnet.owner = NULL;
|
|
|
|
|
2009-03-05 12:34:13 +00:00
|
|
|
for(n = subnet_tree->head; n; n = n->next) {
|
|
|
|
p = n->data;
|
|
|
|
|
|
|
|
if(!p || p->type != subnet.type)
|
|
|
|
continue;
|
2002-09-09 21:25:28 +00:00
|
|
|
|
2009-03-05 12:34:13 +00:00
|
|
|
if(!maskcmp(address, &p->net.ipv6.address, p->net.ipv6.prefixlength)) {
|
|
|
|
r = p;
|
|
|
|
if(p->owner->status.reachable)
|
2002-09-09 21:25:28 +00:00
|
|
|
break;
|
|
|
|
}
|
2009-03-05 12:34:13 +00:00
|
|
|
}
|
2002-09-09 21:25:28 +00:00
|
|
|
|
2009-03-05 12:34:13 +00:00
|
|
|
// Cache the result
|
|
|
|
|
|
|
|
cache_ipv6_slot = !cache_ipv6_slot;
|
|
|
|
memcpy(&cache_ipv6_address[cache_ipv6_slot], address, sizeof *address);
|
|
|
|
cache_ipv6_subnet[cache_ipv6_slot] = r;
|
|
|
|
cache_ipv6_valid[cache_ipv6_slot] = true;
|
|
|
|
|
|
|
|
return r;
|
2000-10-11 10:35:17 +00:00
|
|
|
}
|
2000-10-28 21:05:20 +00:00
|
|
|
|
2004-12-01 20:06:05 +00:00
|
|
|
void subnet_update(node_t *owner, subnet_t *subnet, bool up) {
|
|
|
|
avl_node_t *node;
|
|
|
|
int i;
|
|
|
|
char *envp[8];
|
|
|
|
char netstr[MAXNETSTR + 7] = "SUBNET=";
|
|
|
|
char *name, *address, *port;
|
|
|
|
|
2009-09-08 16:18:36 +00:00
|
|
|
xasprintf(&envp[0], "NETNAME=%s", netname ? : "");
|
|
|
|
xasprintf(&envp[1], "DEVICE=%s", device ? : "");
|
|
|
|
xasprintf(&envp[2], "INTERFACE=%s", iface ? : "");
|
|
|
|
xasprintf(&envp[3], "NODE=%s", owner->name);
|
2004-12-01 21:26:51 +00:00
|
|
|
|
2004-12-01 20:06:05 +00:00
|
|
|
if(owner != myself) {
|
|
|
|
sockaddr2str(&owner->address, &address, &port);
|
2009-09-08 16:18:36 +00:00
|
|
|
xasprintf(&envp[4], "REMOTEADDRESS=%s", address);
|
|
|
|
xasprintf(&envp[5], "REMOTEPORT=%s", port);
|
2004-12-01 20:06:05 +00:00
|
|
|
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]);
|
|
|
|
|
2004-12-01 21:26:51 +00:00
|
|
|
if(owner != myself) {
|
|
|
|
free(address);
|
|
|
|
free(port);
|
|
|
|
}
|
2004-12-01 20:06:05 +00:00
|
|
|
}
|
|
|
|
|
2001-10-27 13:13:35 +00:00
|
|
|
void dump_subnets(void)
|
2000-10-28 21:05:20 +00:00
|
|
|
{
|
2003-12-12 19:52:25 +00:00
|
|
|
char netstr[MAXNETSTR];
|
2002-09-09 21:25:28 +00:00
|
|
|
subnet_t *subnet;
|
|
|
|
avl_node_t *node;
|
|
|
|
|
|
|
|
cp();
|
|
|
|
|
2003-07-12 17:41:48 +00:00
|
|
|
logger(LOG_DEBUG, _("Subnet list:"));
|
2002-09-09 21:25:28 +00:00
|
|
|
|
|
|
|
for(node = subnet_tree->head; node; node = node->next) {
|
2003-08-28 21:05:11 +00:00
|
|
|
subnet = node->data;
|
2003-12-12 19:52:25 +00:00
|
|
|
if(!net2str(netstr, sizeof netstr, subnet))
|
|
|
|
continue;
|
2003-07-12 17:41:48 +00:00
|
|
|
logger(LOG_DEBUG, _(" %s owner %s"), netstr, subnet->owner->name);
|
2002-09-09 21:25:28 +00:00
|
|
|
}
|
|
|
|
|
2003-07-12 17:41:48 +00:00
|
|
|
logger(LOG_DEBUG, _("End of subnet list."));
|
2000-10-28 21:05:20 +00:00
|
|
|
}
|