+#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 1.5.4.41 2003/07/24 12:08:16 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"
-/* Protocol version. Different versions are incompatible,
- incompatible version have different protocols.
- */
+/* Protocol version. Different major versions are incompatible. */
-#define PROT_CURRENT 17
+#define PROT_MAJOR 17
+#define PROT_MINOR 3 /* Should not exceed 255! */
+
+/* Silly Windows */
+
+#ifdef ERROR
+#undef ERROR
+#endif
/* Request numbers */
typedef enum request_t {
- ALL = -1, /* Guardian for allow_request */
+ 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"
-#include "subnet.h"
/* Basic functions */
-extern bool send_request(struct connection_t *, const char *, ...) __attribute__ ((format(printf, 2, 3)));
-extern void forward_request(struct connection_t *);
-extern bool receive_request(struct connection_t *);
+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 bool seen_request(const 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 bool send_id(struct connection_t *);
-extern bool send_metakey(struct connection_t *);
-extern bool send_challenge(struct connection_t *);
-extern bool send_chal_reply(struct connection_t *);
-extern bool send_ack(struct connection_t *);
-extern bool send_status(struct connection_t *, int, const char *);
-extern bool send_error(struct connection_t *, int,const char *);
-extern bool send_termreq(struct connection_t *);
-extern bool send_ping(struct connection_t *);
-extern bool send_pong(struct connection_t *);
-extern bool send_add_subnet(struct connection_t *, const struct subnet_t *);
-extern bool send_del_subnet(struct connection_t *, const struct subnet_t *);
-extern bool send_add_edge(struct connection_t *, const struct edge_t *);
-extern bool send_del_edge(struct connection_t *, const struct edge_t *);
-extern bool send_key_changed(struct connection_t *, const struct node_t *);
-extern bool send_req_key(struct connection_t *, const struct node_t *, const struct node_t *);
-extern bool send_ans_key(struct connection_t *, const struct node_t *, const struct node_t *);
-extern bool send_tcppacket(struct connection_t *, struct 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 bool id_h(struct connection_t *);
-extern bool metakey_h(struct connection_t *);
-extern bool challenge_h(struct connection_t *);
-extern bool chal_reply_h(struct connection_t *);
-extern bool ack_h(struct connection_t *);
-extern bool status_h(struct connection_t *);
-extern bool error_h(struct connection_t *);
-extern bool termreq_h(struct connection_t *);
-extern bool ping_h(struct connection_t *);
-extern bool pong_h(struct connection_t *);
-extern bool add_subnet_h(struct connection_t *);
-extern bool del_subnet_h(struct connection_t *);
-extern bool add_edge_h(struct connection_t *);
-extern bool del_edge_h(struct connection_t *);
-extern bool key_changed_h(struct connection_t *);
-extern bool req_key_h(struct connection_t *);
-extern bool ans_key_h(struct connection_t *);
-extern bool tcppacket_h(struct 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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