along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- $Id: net.c,v 1.35.4.49 2000/10/28 21:52:22 guus Exp $
+ $Id: net.c,v 1.35.4.50 2000/10/29 00:02:18 guus Exp $
*/
#include "config.h"
#include <sys/types.h>
#include <syslog.h>
#include <unistd.h>
+#include <sys/ioctl.h>
#ifdef HAVE_TUNTAP
#include LINUX_IF_TUN_H
{
config_t const *cfg;
subnet_t *net;
- int i;
cp
myself = new_conn_list();
/* Read in all the subnets specified in the host configuration file */
- for(cfg = myself->config; cfg = get_config_val(cfg, subnet); cfg = cfg->next)
+ for(cfg = myself->config; (cfg = get_config_val(cfg, subnet)); cfg = cfg->next)
{
net = new_subnet();
net->type = SUBNET_IPV4;
}
if(p->status.meta)
{
- send_termreq(p);
shutdown(p->meta_socket, 0); /* No more receptions */
close(p->meta_socket);
}
int handle_incoming_vpn_data()
{
vpn_packet_t pkt;
- int lenin;
int x, l = sizeof(x);
struct sockaddr from;
socklen_t fromlen = sizeof(from);
void terminate_connection(conn_list_t *cl)
{
conn_list_t *p;
-
+ subnet_t *s;
cp
if(cl->status.remove)
- return;
+ {
+ return;
+ }
+
+ cl->status.remove = 1;
if(debug_lvl >= DEBUG_CONNECTIONS)
syslog(LOG_NOTICE, _("Closing connection with %s (%s)"),
if(cl->status.meta)
close(cl->meta_socket);
- cl->status.remove = 1;
-
- /* If this cl isn't active, don't send any DEL_HOSTs. */
-
-/* FIXME: reprogram this.
- if(cl->status.active)
- notify_others(cl,NULL,send_del_host);
-*/
-
cp
/* Find all connections that were lost because they were behind cl
(the connection that was dropped). */
+
if(cl->status.meta)
for(p = conn_list; p != NULL; p = p->next)
- {
- if((p->nexthop == cl) && (p != cl))
- {
- if(cl->status.active && p->status.active)
-/* FIXME: reprogram this
- notify_others(p,cl,send_del_host);
-*/;
- if(cl->socket)
- close(cl->socket);
- p->status.active = 0;
- p->status.remove = 1;
- }
- }
-
+ if((p->nexthop == cl) && (p != cl))
+ terminate_connection(p); /* Sounds like recursion, but p does not have a meta connection :) */
+
+ /* Inform others of termination if it was still active */
+
+ if(cl->status.active)
+ for(p = conn_list; p != NULL; p = p->next)
+ if(p->status.meta && p->status.active && p!=cl)
+ send_del_host(p, cl);
+
+ /* Remove the associated subnets */
+
+ for(s = cl->subnets; s; s = s->next)
+ subnet_del(s);
+
+ /* Inactivate */
+
cl->status.active = 0;
-
+
+ /* Check if this was our outgoing connection */
+
if(cl->status.outgoing)
{
signal(SIGALRM, sigalrm_handler);
now = time(NULL);
for(p = conn_list; p != NULL; p = p->next)
{
- if(p->status.remove)
- continue;
if(p->status.active && p->status.meta)
{
if(p->last_ping_time + timeout < now)
return 0;
}
- ncn->status.meta = 1;
- ncn->next = conn_list;
- conn_list = ncn;
+ conn_list_add(ncn);
cp
return 0;
}
void handle_tap_input(void)
{
vpn_packet_t vp;
- subnet_t *subnet;
- ipv4_t dest;
int lenin;
cp
if(taptype == TAP_TYPE_TUNTAP)