X-Git-Url: http://git.meshlink.io/?p=meshlink;a=blobdiff_plain;f=src%2Fprotocol.h;h=f97682a1717af4277fc460f01f31b88fd8d8a562;hp=67fcb32520ea4b30d69a21e8a24040aa7c05585f;hb=963c5055505f2fc117cd5efa06eaa02c9b2bf85d;hpb=3bc554347560a9c24e68bb2c7c7749be07bbec3d diff --git a/src/protocol.h b/src/protocol.h index 67fcb325..f97682a1 100644 --- a/src/protocol.h +++ b/src/protocol.h @@ -1,7 +1,9 @@ +#ifndef MESHLINK_PROTOCOL_H +#define MESHLINK_PROTOCOL_H + /* protocol.h -- header for protocol.c - Copyright (C) 1999-2001 Ivo Timmermans , - 2000,2001 Guus Sliepen + Copyright (C) 2014, 2017 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 @@ -13,31 +15,28 @@ 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 1.5.4.37 2002/09/09 22:41:56 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, @@ -45,73 +44,65 @@ enum { 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 *, ...) __attribute__ ((format(printf, 2, 3))); -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