80 lines
2.7 KiB
C
80 lines
2.7 KiB
C
/*
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protocol.h -- header for protocol.c
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Copyright (C) 1999,2000 Ivo Timmermans <itimmermans@bigfoot.com>,
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2000 Guus Sliepen <guus@sliepen.warande.net>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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$Id: protocol.h,v 1.5.4.17 2000/11/22 19:55:53 guus Exp $
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*/
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#ifndef __TINC_PROTOCOL_H__
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#define __TINC_PROTOCOL_H__
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#include "net.h"
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#include "subnet.h"
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/* Protocol version. Different versions are incompatible,
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incompatible version have different protocols.
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*/
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#define PROT_CURRENT 8
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/* Request numbers */
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enum {
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ALL = -1, /* Guardian for allow_request */
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ID = 0, CHALLENGE, CHAL_REPLY, METAKEY, ACK,
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STATUS, ERROR, TERMREQ,
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PING, PONG,
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ADD_HOST, DEL_HOST,
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ADD_SUBNET, DEL_SUBNET,
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KEY_CHANGED, REQ_KEY, ANS_KEY,
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LAST /* Guardian for the highest request number */
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};
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/* Maximum size of strings in a request */
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#define MAX_STRING_SIZE 1024
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#define MAX_STRING "%1024s"
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extern int (*request_handlers[])(connection_t*);
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extern int send_id(connection_t*);
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extern int send_challenge(connection_t*);
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extern int send_chal_reply(connection_t*);
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extern int send_metakey(connection_t*);
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extern int send_ack(connection_t*);
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extern int send_status(connection_t*, int, char*);
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extern int send_error(connection_t*, int, char*);
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extern int send_termreq(connection_t*);
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extern int send_ping(connection_t*);
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extern int send_pong(connection_t*);
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extern int send_add_host(connection_t*, connection_t*);
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extern int send_del_host(connection_t*, connection_t*);
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extern int send_add_subnet(connection_t*, subnet_t*);
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extern int send_del_subnet(connection_t*, subnet_t*);
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extern int send_key_changed(connection_t*, connection_t*);
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extern int send_req_key(connection_t*, connection_t*);
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extern int send_ans_key(connection_t*, connection_t*, char*);
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/* Old functions */
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extern int send_tcppacket(connection_t *, void *, int);
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extern int notify_others(connection_t *, connection_t *, int (*function)(connection_t*, connection_t*));
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extern int receive_request(connection_t *);
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extern int check_id(char *);
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#endif /* __TINC_PROTOCOL_H__ */
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