2 protocol_misc.c -- handle the meta-protocol, miscellaneous functions
3 Copyright (C) 1999-2002 Ivo Timmermans <itimmermans@bigfoot.com>,
4 2000-2002 Guus Sliepen <guus@sliepen.warande.net>
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 $Id: protocol_misc.c,v 1.1 2002/04/28 12:46:26 zarq Exp $
34 #include "interface.h"
39 #include "connection.h"
44 /* Status and error notification routines */
46 int send_status(connection_t *c, int statusno, char *statusstring)
50 statusstring = status_text[statusno];
52 return send_request(c, "%d %d %s", STATUS, statusno, statusstring);
55 int status_h(connection_t *c)
58 char statusstring[MAX_STRING_SIZE];
60 if(sscanf(c->buffer, "%*d %d "MAX_STRING, &statusno, statusstring) != 2)
62 syslog(LOG_ERR, _("Got bad %s from %s (%s)"), "STATUS",
63 c->name, c->hostname);
67 if(debug_lvl >= DEBUG_STATUS)
69 syslog(LOG_NOTICE, _("Status message from %s (%s): %s: %s"),
70 c->name, c->hostname, status_text[statusno], statusstring);
77 int send_error(connection_t *c, int err, char *errstring)
81 errstring = strerror(err);
82 return send_request(c, "%d %d %s", ERROR, err, errstring);
85 int error_h(connection_t *c)
88 char errorstring[MAX_STRING_SIZE];
90 if(sscanf(c->buffer, "%*d %d "MAX_STRING, &err, errorstring) != 2)
92 syslog(LOG_ERR, _("Got bad %s from %s (%s)"), "ERROR",
93 c->name, c->hostname);
97 if(debug_lvl >= DEBUG_ERROR)
99 syslog(LOG_NOTICE, _("Error message from %s (%s): %s: %s"),
100 c->name, c->hostname, strerror(err), errorstring);
103 terminate_connection(c, c->status.active);
108 int send_termreq(connection_t *c)
111 return send_request(c, "%d", TERMREQ);
114 int termreq_h(connection_t *c)
117 terminate_connection(c, c->status.active);
122 int send_ping(connection_t *c)
125 c->status.pinged = 1;
126 c->last_ping_time = now;
128 return send_request(c, "%d", PING);
131 int ping_h(connection_t *c)
137 int send_pong(connection_t *c)
140 return send_request(c, "%d", PONG);
143 int pong_h(connection_t *c)
146 c->status.pinged = 0;
148 /* Succesful connection, reset timeout if this is an outgoing connection. */
151 c->outgoing->timeout = 0;
156 /* Sending and receiving packets via TCP */
158 int send_tcppacket(connection_t *c, vpn_packet_t *packet)
164 x = send_request(c, "%d %hd", PACKET, packet->len);
169 return send_meta(c, packet->data, packet->len);
174 char (*status_text[]) = {
180 char (*error_text[]) = {