2 protocol.h -- header for protocol.c
3 Copyright (C) 1999-2001 Ivo Timmermans <itimmermans@bigfoot.com>,
4 2000,2001 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.h,v 1.5.4.26 2002/02/11 15:59:18 guus Exp $
23 #ifndef __TINC_PROTOCOL_H__
24 #define __TINC_PROTOCOL_H__
30 /* Protocol version. Different versions are incompatible,
31 incompatible version have different protocols.
34 #define PROT_CURRENT 13
39 ALL = -1, /* Guardian for allow_request */
40 ID = 0, METAKEY, CHALLENGE, CHAL_REPLY, ACK,
41 STATUS, ERROR, TERMREQ,
43 // ADD_NODE, DEL_NODE,
44 ADD_SUBNET, DEL_SUBNET,
46 KEY_CHANGED, REQ_KEY, ANS_KEY,
48 LAST /* Guardian for the highest request number */
51 /* Maximum size of strings in a request */
53 #define MAX_STRING_SIZE 1024
54 #define MAX_STRING "%1024s"
58 extern int send_request(connection_t*, const char*, ...);
59 extern int receive_request(connection_t *);
60 extern int check_id(char *);
64 extern int send_id(connection_t *);
65 extern int send_metakey(connection_t *);
66 extern int send_challenge(connection_t *);
67 extern int send_chal_reply(connection_t *);
68 extern int send_ack(connection_t *);
69 extern int send_status(connection_t *, int, char *);
70 extern int send_error(connection_t *, int, char *);
71 extern int send_termreq(connection_t *);
72 extern int send_ping(connection_t *);
73 extern int send_pong(connection_t *);
74 // extern int send_add_node(connection_t *, node_t *);
75 // extern int send_del_node(connection_t *, node_t *);
76 extern int send_add_subnet(connection_t *, subnet_t *);
77 extern int send_del_subnet(connection_t *, subnet_t *);
78 extern int send_add_edge(connection_t *, edge_t *);
79 extern int send_del_edge(connection_t *, edge_t *);
80 extern int send_key_changed(connection_t *, node_t *);
81 extern int send_req_key(connection_t *, node_t *, node_t *);
82 extern int send_ans_key(connection_t *, node_t *, node_t *);
83 extern int send_tcppacket(connection_t *, vpn_packet_t *);
85 /* Request handlers */
87 extern int (*request_handlers[])(connection_t *);
89 extern int id_h(connection_t *);
90 extern int metakey_h(connection_t *);
91 extern int challenge_h(connection_t *);
92 extern int chal_reply_h(connection_t *);
93 extern int ack_h(connection_t *);
94 extern int status_h(connection_t *);
95 extern int error_h(connection_t *);
96 extern int termreq_h(connection_t *);
97 extern int ping_h(connection_t *);
98 extern int pong_h(connection_t *);
99 // extern int add_node_h(connection_t *);
100 // extern int del_node_h(connection_t *);
101 extern int add_subnet_h(connection_t *);
102 extern int del_subnet_h(connection_t *);
103 extern int add_edge_h(connection_t *);
104 extern int del_edge_h(connection_t *);
105 extern int key_changed_h(connection_t *);
106 extern int req_key_h(connection_t *);
107 extern int ans_key_h(connection_t *);
108 extern int tcppacket_h(connection_t *);
110 #endif /* __TINC_PROTOCOL_H__ */