950fb8e916
- Added seperate file for connection list handling - Updating everything to use connlist, meta and subnet files - Removed dependency on libgmp - Lots of other stuff...
183 lines
3.4 KiB
C
183 lines
3.4 KiB
C
/*
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connlist.c -- connection list management
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Copyright (C) 2000 Guus Sliepen <guus@sliepen.warande.net>,
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2000 Ivo Timmermans <itimmermans@bigfoot.com>
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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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$Id: connlist.c,v 1.1.2.1 2000/10/11 10:35:15 guus Exp $
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*/
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#include "config.h"
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#include <utils.h>
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#include "connlist.h"
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/* Root of the connection list */
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conn_list_t *conn_list = NULL;
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conn_list_t *myself = NULL;
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/* Creation and deletion of conn_list elements */
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conn_list_t *new_conn_list(void)
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{
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conn_list_t *p = xmalloc(sizeof(*p));
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cp
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/* initialise all those stupid pointers at once */
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memset(p, '\0', sizeof(*p));
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cp
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return p;
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}
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void free_conn_list(conn_list_t *p)
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{
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cp
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if(p->sq)
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destroy_queue(p->sq);
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if(p->rq)
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destroy_queue(p->rq);
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if(p->name)
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free(p->name);
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if(p->hostname)
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free(p->hostname);
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free_key(p->public_key);
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free_key(p->datakey);
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free(p);
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cp
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}
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/*
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remove all marked connections
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*/
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void prune_conn_list(void)
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{
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conn_list_t *p, *prev = NULL, *next = NULL;
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cp
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for(p = conn_list; p != NULL; )
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{
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next = p->next;
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if(p->status.remove)
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{
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if(prev)
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prev->next = next;
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else
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conn_list = next;
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free_conn_element(p);
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}
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else
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prev = p;
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p = next;
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}
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cp
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}
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/*
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free all elements of conn_list
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*/
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void destroy_conn_list(void)
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{
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conn_list_t *p, *next;
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cp
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for(p = conn_list; p != NULL; )
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{
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next = p->next;
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free_conn_element(p);
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p = next;
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}
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conn_list = NULL;
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cp
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}
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/* Linked list management */
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void conn_list_add(conn_list_t *cl)
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{
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cp
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cl->next = connlist;
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cl->prev = NULL;
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cl->next->prev = cl;
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connlist = cl;
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cp
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}
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void conn_list_del(conn_list_t *cl)
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{
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cp
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if(cl->prev)
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cl->prev->next = cl->next;
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else
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connlist = cl->next;
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cl->next->prev = cl->prev;
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free_conn_list(cl);
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cp
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}
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/* Lookup functions */
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conn_list_t *lookup_conn_list_mac(mac_t address)
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{
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conn_list_t *p;
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cp
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for(p = conn_list; p != NULL; p = p->next)
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if(lookup_subnet_mac(p, address))
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break;
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cp
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return p;
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}
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conn_list_t *lookup_conn_list_ipv4(ipv4_t address)
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{
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conn_list_t *p;
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cp
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for(p = conn_list; p != NULL; p = p->next)
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if(lookup_subnet_ipv4(p, address))
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break;
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cp
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return p;
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}
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conn_list_t *lookup_conn_list_ipv6(ipv6_t address)
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{
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conn_list_t *p;
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cp
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for(p = conn_list; p != NULL; p = p->next)
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if(lookup_subnet_ipv6(p, address))
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break;
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cp
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return p;
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}
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/* Debugging */
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void dump_conn_list(void)
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{
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conn_list_t *p;
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cp
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syslog(LOG_DEBUG, _("Connection list:"));
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for(p = conn_list; p != NULL; p = p->next)
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{
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syslog(LOG_DEBUG, _("%s netmask %d.%d.%d.%d at %s port %hd flags %d sockets %d, %d status %04x"),
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p->name, IP_ADDR_V(p->vpn_mask), p->hostname, p->port, p->flags,
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p->socket, p->meta_socket, p->status);
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}
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cp
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}
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