/*
protocol.h -- header for protocol.c
- Copyright (C) 1999-2001 Ivo Timmermans <itimmermans@bigfoot.com>,
- 2000,2001 Guus Sliepen <guus@sliepen.warande.net>
+ Copyright (C) 1999-2001 Ivo Timmermans <ivo@o2w.nl>,
+ 2000,2001 Guus Sliepen <guus@sliepen.eu.org>
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
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- $Id: protocol.h,v 1.5.4.24 2001/10/28 08:41:19 guus Exp $
+ $Id: protocol.h,v 1.5.4.38 2003/07/06 23:16:28 guus Exp $
*/
#ifndef __TINC_PROTOCOL_H__
#include "net.h"
#include "node.h"
+#include "edge.h"
#include "subnet.h"
/* Protocol version. Different versions are incompatible,
incompatible version have different protocols.
*/
-#define PROT_CURRENT 11
+#define PROT_CURRENT 17
/* 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 */
+ ALL = -1, /* Guardian for allow_request */
+ ID = 0, METAKEY, CHALLENGE, CHAL_REPLY, ACK,
+ STATUS, ERROR, TERMREQ,
+ PING, PONG,
+ 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 1024
-#define MAX_STRING "%1024s"
-
-extern int (*request_handlers[])(connection_t*);
-
-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*, char*);
-extern int send_tcppacket(connection_t *, vpn_packet_t *);
+#define MAX_STRING_SIZE 2048
+#define MAX_STRING "%2048s"
-/* Old functions */
+/* Basic functions */
-extern int notify_others(connection_t *, connection_t *, int (*function)(connection_t*, connection_t*));
+extern int send_request(connection_t *, const char *, ...) __attribute__ ((format(printf, 2, 3)));
+extern int forward_request(connection_t *);
extern int receive_request(connection_t *);
extern int check_id(char *);
-#endif /* __TINC_PROTOCOL_H__ */
+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_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 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_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__ */