X-Git-Url: https://tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fprotocol.h;h=8ce4e0d3b718a3644ab7bf580ed1a077fc08a68a;hp=8951cbcd2d3ae35ad528edba5f667e7cd80ec466;hb=af81c436d6e11a53803747af7cc8ecfd449ccd4c;hpb=e3220cacb5bc79fc56167e61b7a342f88a33a479 diff --git a/src/protocol.h b/src/protocol.h index 8951cbcd..8ce4e0d3 100644 --- a/src/protocol.h +++ b/src/protocol.h @@ -1,7 +1,7 @@ /* protocol.h -- header for protocol.c - Copyright (C) 1999-2001 Ivo Timmermans , - 2000,2001 Guus Sliepen + Copyright (C) 1999-2005 Ivo Timmermans, + 2000-2017 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 @@ -13,21 +13,20 @@ 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 1.5.4.45 2003/11/17 15:30:18 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__ -/* Protocol version. Different versions are incompatible, - incompatible version have different protocols. - */ +#include "ecdsa.h" + +/* Protocol version. Different major versions are incompatible. */ -#define PROT_CURRENT 17 +#define PROT_MAJOR 17 +#define PROT_MINOR 7 /* Should not exceed 255! */ /* Silly Windows */ @@ -38,7 +37,7 @@ /* 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, @@ -46,19 +45,32 @@ typedef enum request_t { 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, + SPTPS_PACKET, + UDP_INFO, MTU_INFO, + 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; extern bool tunnelserver; +extern bool strictsubnets; +extern bool experimental; -/* Maximum size of strings in a request */ +extern int invitation_lifetime; +extern ecdsa_t *invitation_key; + +/* 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" @@ -69,24 +81,23 @@ extern bool tunnelserver; /* 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 check_id(const char *); +extern void forward_request(struct connection_t *, const char *); +extern bool receive_request(struct connection_t *, const char *); extern void init_requests(void); extern void exit_requests(void); -extern bool seen_request(char *); -extern void age_past_requests(void); +extern bool seen_request(const char *); /* Requests */ extern bool send_id(struct connection_t *); extern bool send_metakey(struct connection_t *); +extern bool send_metakey_ec(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_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 *); @@ -94,30 +105,37 @@ 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 void send_key_changed(void); +extern bool send_req_key(struct node_t *); +extern bool send_ans_key(struct node_t *); +extern bool send_tcppacket(struct connection_t *, const struct vpn_packet_t *); +extern bool send_sptps_tcppacket(struct connection_t *, const char*, int); +extern bool send_udp_info(struct node_t *, struct node_t *); +extern bool send_mtu_info(struct node_t *, struct node_t *, int); /* 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 connection_t *, const char *); +extern bool metakey_h(struct connection_t *, const char *); +extern bool challenge_h(struct connection_t *, const char *); +extern bool chal_reply_h(struct connection_t *, const char *); +extern bool ack_h(struct connection_t *, const char *); +extern bool status_h(struct connection_t *, const char *); +extern bool error_h(struct connection_t *, const char *); +extern bool termreq_h(struct connection_t *, const char *); +extern bool ping_h(struct connection_t *, const char *); +extern bool pong_h(struct connection_t *, const char *); +extern bool add_subnet_h(struct connection_t *, const char *); +extern bool del_subnet_h(struct connection_t *, const char *); +extern bool add_edge_h(struct connection_t *, const char *); +extern bool del_edge_h(struct connection_t *, const char *); +extern bool key_changed_h(struct connection_t *, const char *); +extern bool req_key_h(struct connection_t *, const char *); +extern bool ans_key_h(struct connection_t *, const char *); +extern bool tcppacket_h(struct connection_t *, const char *); +extern bool sptps_tcppacket_h(struct connection_t *, const char *); +extern bool control_h(struct connection_t *, const char *); +extern bool udp_info_h(struct connection_t *, const char *); +extern bool mtu_info_h(struct connection_t *, const char *); + +#endif /* __TINC_PROTOCOL_H__ */