/*
protocol_key.c -- handle the meta-protocol, key exchange
- Copyright (C) 1999-2003 Ivo Timmermans <ivo@o2w.nl>,
- 2000-2003 Guus Sliepen <guus@sliepen.eu.org>
+ Copyright (C) 1999-2005 Ivo Timmermans,
+ 2000-2008 Guus Sliepen <guus@tinc-vpn.org>
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
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- $Id: protocol_key.c,v 1.1.4.24 2003/11/17 15:30:18 guus Exp $
+ $Id$
*/
#include "system.h"
if(tunnelserver)
return false;
+ if(!to->status.reachable) {
+ logger(LOG_WARNING, _("Got %s from %s (%s) destination %s which is not reachable"),
+ "REQ_KEY", c->name, c->hostname, to_name);
+ return true;
+ }
+
send_req_key(to->nexthop->connection, from, to);
}
bool send_ans_key(connection_t *c, const node_t *from, const node_t *to)
{
- char key[MAX_STRING_SIZE];
+ char *key;
cp();
+ key = alloca(2 * from->keylength + 1);
bin2hex(from->key, key, from->keylength);
key[from->keylength * 2] = '\0';
if(tunnelserver)
return false;
+ if(!to->status.reachable) {
+ logger(LOG_WARNING, _("Got %s from %s (%s) destination %s which is not reachable"),
+ "ANS_KEY", c->name, c->hostname, to_name);
+ return true;
+ }
+
return send_request(to->nexthop->connection, "%s", c->buffer);
}
from->compression = compression;
if(from->cipher)
- if(!EVP_EncryptInit_ex(&from->packet_ctx, from->cipher, NULL, from->key, from->key + from->cipher->key_len)) {
+ if(!EVP_EncryptInit_ex(&from->packet_ctx, from->cipher, NULL, (unsigned char *)from->key, (unsigned char *)from->key + from->cipher->key_len)) {
logger(LOG_ERR, _("Error during initialisation of key from %s (%s): %s"),
from->name, from->hostname, ERR_error_string(ERR_get_error(), NULL));
return false;
}
+ if(from->options & OPTION_PMTU_DISCOVERY && !from->mtuprobes)
+ send_mtu_probe(from);
flush_queue(from);