2 protocol_misc.c -- handle the meta-protocol, miscellaneous functions
3 Copyright (C) 1999-2003 Ivo Timmermans <ivo@o2w.nl>,
4 2000-2003 Guus Sliepen <guus@sliepen.eu.org>
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 1.1.4.10 2003/07/12 17:41:47 guus Exp $
38 #include "connection.h"
43 /* Status and error notification routines */
45 int send_status(connection_t *c, int statusno, char *statusstring)
50 statusstring = "Status";
52 return send_request(c, "%d %d %s", STATUS, statusno, statusstring);
55 int status_h(connection_t *c)
58 char statusstring[MAX_STRING_SIZE];
62 if(sscanf(c->buffer, "%*d %d " MAX_STRING, &statusno, statusstring) != 2) {
63 logger(LOG_ERR, _("Got bad %s from %s (%s)"), "STATUS",
64 c->name, c->hostname);
68 ifdebug(STATUS) logger(LOG_NOTICE, _("Status message from %s (%s): %d: %s"),
69 c->name, c->hostname, statusno, statusstring);
74 int send_error(connection_t *c, int err, char *errstring)
81 return send_request(c, "%d %d %s", ERROR, err, errstring);
84 int error_h(connection_t *c)
87 char errorstring[MAX_STRING_SIZE];
91 if(sscanf(c->buffer, "%*d %d " MAX_STRING, &err, errorstring) != 2) {
92 logger(LOG_ERR, _("Got bad %s from %s (%s)"), "ERROR",
93 c->name, c->hostname);
97 ifdebug(ERROR) logger(LOG_NOTICE, _("Error message from %s (%s): %d: %s"),
98 c->name, c->hostname, err, errorstring);
100 terminate_connection(c, c->status.active);
105 int send_termreq(connection_t *c)
109 return send_request(c, "%d", TERMREQ);
112 int termreq_h(connection_t *c)
116 terminate_connection(c, c->status.active);
121 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)
138 int send_pong(connection_t *c)
142 return send_request(c, "%d", PONG);
145 int pong_h(connection_t *c)
149 c->status.pinged = 0;
151 /* Succesful connection, reset timeout if this is an outgoing connection. */
154 c->outgoing->timeout = 0;
159 /* Sending and receiving packets via TCP */
161 int send_tcppacket(connection_t *c, vpn_packet_t *packet)
169 x = send_request(c, "%d %hd", PACKET, packet->len);
174 return send_meta(c, packet->data, packet->len);
177 int tcppacket_h(connection_t *c)
183 if(sscanf(c->buffer, "%*d %hd", &len) != 1) {
184 logger(LOG_ERR, _("Got bad %s from %s (%s)"), "PACKET", c->name,
189 /* Set reqlen to len, this will tell receive_meta() that a tcppacket is coming. */