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Copy packets before putting them in the queue.
author
Guus Sliepen
<guus@tinc-vpn.org>
Sun, 25 Feb 2001 16:04:00 +0000
(16:04 +0000)
committer
Guus Sliepen
<guus@tinc-vpn.org>
Sun, 25 Feb 2001 16:04:00 +0000
(16:04 +0000)
src/net.c
patch
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diff --git
a/src/net.c
b/src/net.c
index
5a45683
..
4a369ff
100644
(file)
--- a/
src/net.c
+++ b/
src/net.c
@@
-17,7
+17,7
@@
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- $Id: net.c,v 1.35.4.9
4 2001/01/13 16:36:21
guus Exp $
+ $Id: net.c,v 1.35.4.9
5 2001/02/25 16:04:00
guus Exp $
*/
#include "config.h"
*/
#include "config.h"
@@
-202,6
+202,7
@@
int send_packet(ip_t to, vpn_packet_t *packet)
{
connection_t *cl;
subnet_t *subnet;
{
connection_t *cl;
subnet_t *subnet;
+ vpn_packet_t *copy;
cp
if((subnet = lookup_subnet_ipv4(&to)) == NULL)
{
cp
if((subnet = lookup_subnet_ipv4(&to)) == NULL)
{
@@
-242,7
+243,13
@@
cp
syslog(LOG_INFO, _("No valid key known yet for %s (%s), queueing packet"),
cl->name, cl->hostname);
syslog(LOG_INFO, _("No valid key known yet for %s (%s), queueing packet"),
cl->name, cl->hostname);
- list_insert_tail(cl->queue, packet);
+ /* Since packet is on the stack of handle_tap_input(),
+ we have to make a copy of it first. */
+
+ copy = xmalloc(sizeof(vpn_packet_t));
+ memcpy(copy, packet, sizeof(vpn_packet_t));
+
+ list_insert_tail(cl->queue, copy);
if(!cl->status.waitingforkey)
send_req_key(myself, cl); /* Keys should be sent to the host running the tincd */
if(!cl->status.waitingforkey)
send_req_key(myself, cl); /* Keys should be sent to the host running the tincd */
@@
-260,7
+267,7
@@
cp
void flush_queue(connection_t *cl)
{
list_node_t *node, *next;
void flush_queue(connection_t *cl)
{
list_node_t *node, *next;
-
+cp
if(debug_lvl >= DEBUG_TRAFFIC)
syslog(LOG_INFO, _("Flushing queue for %s (%s)"), cl->name, cl->hostname);
if(debug_lvl >= DEBUG_TRAFFIC)
syslog(LOG_INFO, _("Flushing queue for %s (%s)"), cl->name, cl->hostname);
@@
-270,6
+277,7
@@
void flush_queue(connection_t *cl)
xsend(cl, (vpn_packet_t *)node->data);
list_delete_node(cl->queue, node);
}
xsend(cl, (vpn_packet_t *)node->data);
list_delete_node(cl->queue, node);
}
+cp
}
/*
}
/*