tinc/src/connection.c

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/*
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connection.c -- connection list management
Copyright (C) 2000,2001 Guus Sliepen <guus@sliepen.warande.net>,
2000,2001 Ivo Timmermans <itimmermans@bigfoot.com>
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
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
$Id: connection.c,v 1.1.2.21 2001/10/27 15:19:13 guus Exp $
*/
#include "config.h"
#include <stdio.h>
#include <syslog.h>
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#include <string.h>
#include <avl_tree.h>
#include <list.h>
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#include "net.h" /* Don't ask. */
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#include "netutl.h"
#include "config.h"
#include "conf.h"
#include <utils.h>
#include "subnet.h"
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#include "xalloc.h"
#include "system.h"
avl_tree_t *connection_tree; /* Meta connections */
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int connection_compare(connection_t *a, connection_t *b)
{
return a->socket - b->socket;
}
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void init_connections(void)
{
cp
connection_tree = avl_alloc_tree((avl_compare_t)connection_compare, NULL);
cp
}
void exit_connection(void)
{
cp
avl_delete_tree(connection_tree);
cp
}
connection_t *new_connection(void)
{
connection_t *c;
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c = (connection_t *)xmalloc_and_zero(sizeof(connection_t));
init_configuration(&c->config_tree);
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return c;
}
void free_connection(connection_t *c)
{
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if(c->hostname)
free(c->hostname);
if(c->inkey)
free(c->inkey);
if(c->outkey)
free(c->outkey);
if(c->mychallenge)
free(c->mychallenge);
if(c->hischallenge)
free(c->hischallenge);
free(c);
cp
}
void connection_add(connection_t *c)
{
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avl_insert(connection_tree, c);
cp
}
void connection_del(connection_t *c)
{
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avl_delete(connection_tree, c);
cp
}
connection_t *lookup_connection(ipv4_t address, short unsigned int port)
{
connection_t c;
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c.address = address;
c.port = port;
return avl_search(connection_tree, &c);
}
void dump_connections(void)
{
avl_node_t *node;
connection_t *c;
cp
syslog(LOG_DEBUG, _("Connections:"));
for(node = connection_tree->head; node; node = node->next)
{
c = (connection_t *)node->data;
syslog(LOG_DEBUG, _(" %s at %s port %hd options %ld socket %d status %04x"),
c->name, c->hostname, c->port, c->options,
c->socket, c->status);
}
syslog(LOG_DEBUG, _("End of connections."));
cp
}
int read_connection_config(connection_t *c)
{
char *fname;
int x;
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asprintf(&fname, "%s/hosts/%s", confbase, c->name);
x = read_config_file(c->config_tree, fname);
free(fname);
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return x;
}