+#ifndef MESHLINK_PROTOCOL_H
+#define MESHLINK_PROTOCOL_H
+
/*
protocol.h -- header for protocol.c
- Copyright (C) 1999-2001 Ivo Timmermans <ivo@o2w.nl>,
- 2000,2001 Guus Sliepen <guus@sliepen.eu.org>
+ Copyright (C) 2014, 2017 Guus Sliepen <guus@meshlink.io>
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
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 1.5.4.35 2002/09/09 21:24:42 guus Exp $
+ 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.,
+ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
-#ifndef __TINC_PROTOCOL_H__
-#define __TINC_PROTOCOL_H__
+#include "ecdsa.h"
-#include "net.h"
-#include "node.h"
-#include "edge.h"
-#include "subnet.h"
+/* Protocol version. Different major versions are incompatible. */
-/* Protocol version. Different versions are incompatible,
- incompatible version have different protocols.
- */
+#define PROT_MAJOR 17
+#define PROT_MINOR 3 /* Should not exceed 255! */
-#define PROT_CURRENT 17
+/* Silly Windows */
+
+#ifdef ERROR
+#undef ERROR
+#endif
/* Request numbers */
-enum {
- ALL = -1, /* Guardian for allow_request */
+typedef enum request_t {
+ ALL = -1, /* Guardian for allow_request */
ID = 0, METAKEY, CHALLENGE, CHAL_REPLY, ACK,
STATUS, ERROR, TERMREQ,
PING, PONG,
ADD_EDGE, DEL_EDGE,
KEY_CHANGED, REQ_KEY, ANS_KEY,
PACKET,
- LAST /* Guardian for the highest request number */
-};
+ /* Tinc 1.1 requests */
+ CONTROL,
+ REQ_PUBKEY, ANS_PUBKEY,
+ REQ_SPTPS,
+ LAST /* Guardian for the highest request number */
+} request_t;
typedef struct past_request_t {
- char *request;
+ const char *request;
time_t firstseen;
} past_request_t;
-/* Maximum size of strings in a request */
+/* Maximum size of strings in a request.
+ * scanf terminates %2048s with a NUL character,
+ * but the NUL character can be written after the 2048th non-NUL character.
+ */
-#define MAX_STRING_SIZE 2048
+#define MAX_STRING_SIZE 2049
#define MAX_STRING "%2048s"
+#include "edge.h"
+#include "net.h"
+#include "node.h"
+
/* Basic functions */
-extern int send_request(connection_t *, const char *, ...);
-extern int forward_request(connection_t *);
-extern int receive_request(connection_t *);
-extern int check_id(char *);
+extern bool send_request(struct meshlink_handle *mesh, struct connection_t *, struct submesh_t *s, const char *, ...) __attribute__((__format__(printf, 4, 5)));
+extern void forward_request(struct meshlink_handle *mesh, struct connection_t *, struct submesh_t *, const char *);
+extern bool receive_request(struct meshlink_handle *mesh, struct connection_t *, const char *);
+extern bool check_id(const char *);
-extern void init_requests(void);
-extern void exit_requests(void);
-extern int seen_request(char *);
-extern void age_past_requests(void);
+extern void init_requests(struct meshlink_handle *mesh);
+extern void exit_requests(struct meshlink_handle *mesh);
+extern bool seen_request(struct meshlink_handle *mesh, const char *);
/* 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 *);
+extern bool send_id(struct meshlink_handle *mesh, struct connection_t *);
+extern bool send_ack(struct meshlink_handle *mesh, struct connection_t *);
+extern bool send_ping(struct meshlink_handle *mesh, struct connection_t *);
+extern bool send_pong(struct meshlink_handle *mesh, struct connection_t *);
+extern bool send_add_edge(struct meshlink_handle *mesh, struct connection_t *, const struct edge_t *, int contradictions);
+extern bool send_del_edge(struct meshlink_handle *mesh, struct connection_t *, const struct edge_t *, int contradictions);
+extern bool send_req_key(struct meshlink_handle *mesh, struct node_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_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__ */
+extern bool id_h(struct meshlink_handle *mesh, struct connection_t *, const char *);
+extern bool ack_h(struct meshlink_handle *mesh, struct connection_t *, const char *);
+extern bool status_h(struct meshlink_handle *mesh, struct connection_t *, const char *);
+extern bool error_h(struct meshlink_handle *mesh, struct connection_t *, const char *);
+extern bool termreq_h(struct meshlink_handle *mesh, struct connection_t *, const char *);
+extern bool ping_h(struct meshlink_handle *mesh, struct connection_t *, const char *);
+extern bool pong_h(struct meshlink_handle *mesh, struct connection_t *, const char *);
+extern bool add_edge_h(struct meshlink_handle *mesh, struct connection_t *, const char *);
+extern bool del_edge_h(struct meshlink_handle *mesh, struct connection_t *, const char *);
+extern bool key_changed_h(struct meshlink_handle *mesh, struct connection_t *, const char *);
+extern bool req_key_h(struct meshlink_handle *mesh, struct connection_t *, const char *);
+extern bool ans_key_h(struct meshlink_handle *mesh, struct connection_t *, const char *);
+extern bool tcppacket_h(struct meshlink_handle *mesh, struct connection_t *, const char *);
+
+#endif
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