X-Git-Url: https://www.tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fpokey%2Fprotocol.h;fp=src%2Fpokey%2Fprotocol.h;h=9e4c09eaba7e7e12a31ad1d7b5ca8343e155f061;hp=0000000000000000000000000000000000000000;hb=04d33be4bd102de67bb6dba5c449e12fea0db4d2;hpb=b0a676988a8da3120e64ef0e1a4ea4c28b1511e1 diff --git a/src/pokey/protocol.h b/src/pokey/protocol.h new file mode 100644 index 00000000..9e4c09ea --- /dev/null +++ b/src/pokey/protocol.h @@ -0,0 +1,120 @@ +/* + protocol.h -- header for protocol.c + Copyright (C) 1999-2001 Ivo Timmermans , + 2000,2001 Guus Sliepen + + 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 + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + + $Id: protocol.h,v 1.1 2002/04/28 12:46:26 zarq Exp $ +*/ + +#ifndef __TINC_PROTOCOL_H__ +#define __TINC_PROTOCOL_H__ + +#include "net.h" +#include "node.h" +#include "subnet.h" + +/* Protocol version. Different versions are incompatible, + incompatible version have different protocols. + */ + +#define PROT_CURRENT 14 + +/* Request numbers */ + +enum { + ALL = -1, /* Guardian for allow_request */ + ID = 0, METAKEY, CHALLENGE, CHAL_REPLY, ACK, + STATUS, ERROR, TERMREQ, + PING, PONG, +// ADD_NODE, DEL_NODE, + ADD_SUBNET, DEL_SUBNET, + ADD_EDGE, DEL_EDGE, + KEY_CHANGED, REQ_KEY, ANS_KEY, + PACKET, + LAST /* Guardian for the highest request number */ +}; + +typedef struct past_request_t { + char *request; + time_t firstseen; +} past_request_t; + +/* Maximum size of strings in a request */ + +#define MAX_STRING_SIZE 2048 +#define MAX_STRING "%2048s" + +/* Basic functions */ + +extern int send_request(connection_t*, const char*, ...); +extern int receive_request(connection_t *); +extern int check_id(char *); + +extern void init_requests(void); +extern void exit_requests(void); +extern int seen_request(char *); +extern void age_past_requests(void); + +/* Requests */ + +extern int send_id(connection_t *); +extern int send_metakey(connection_t *); +extern int send_challenge(connection_t *); +extern int send_chal_reply(connection_t *); +extern int send_ack(connection_t *); +extern int send_status(connection_t *, int, char *); +extern int send_error(connection_t *, int, char *); +extern int send_termreq(connection_t *); +extern int send_ping(connection_t *); +extern int send_pong(connection_t *); +// extern int send_add_node(connection_t *, node_t *); +// extern int send_del_node(connection_t *, node_t *); +extern int send_add_subnet(connection_t *, subnet_t *); +extern int send_del_subnet(connection_t *, subnet_t *); +extern int send_add_edge(connection_t *, edge_t *); +extern int send_del_edge(connection_t *, edge_t *); +extern int send_key_changed(connection_t *, node_t *); +extern int send_req_key(connection_t *, node_t *, node_t *); +extern int send_ans_key(connection_t *, node_t *, node_t *); +extern int send_tcppacket(connection_t *, vpn_packet_t *); + +/* Request handlers */ + +extern int (*request_handlers[])(connection_t *); + +extern int id_h(connection_t *); +extern int metakey_h(connection_t *); +extern int challenge_h(connection_t *); +extern int chal_reply_h(connection_t *); +extern int ack_h(connection_t *); +extern int status_h(connection_t *); +extern int error_h(connection_t *); +extern int termreq_h(connection_t *); +extern int ping_h(connection_t *); +extern int pong_h(connection_t *); +// extern int add_node_h(connection_t *); +// extern int del_node_h(connection_t *); +extern int add_subnet_h(connection_t *); +extern int del_subnet_h(connection_t *); +extern int add_edge_h(connection_t *); +extern int del_edge_h(connection_t *); +extern int key_changed_h(connection_t *); +extern int req_key_h(connection_t *); +extern int ans_key_h(connection_t *); +extern int tcppacket_h(connection_t *); + +#endif /* __TINC_PROTOCOL_H__ */