X-Git-Url: https://www.tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fprotocol.h;h=42981ccaa9e4b807104f308d094167ff916721e8;hb=refs%2Fheads%2F1.1;hp=8ce4e0d3b718a3644ab7bf580ed1a077fc08a68a;hpb=af81c436d6e11a53803747af7cc8ecfd449ccd4c;p=tinc diff --git a/src/protocol.h b/src/protocol.h index 8ce4e0d3..ced6554f 100644 --- a/src/protocol.h +++ b/src/protocol.h @@ -1,3 +1,6 @@ +#ifndef TINC_PROTOCOL_H +#define TINC_PROTOCOL_H + /* protocol.h -- header for protocol.c Copyright (C) 1999-2005 Ivo Timmermans, @@ -18,15 +21,15 @@ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ -#ifndef __TINC_PROTOCOL_H__ -#define __TINC_PROTOCOL_H__ - #include "ecdsa.h" +#include "connection.h" /* Protocol version. Different major versions are incompatible. */ #define PROT_MAJOR 17 -#define PROT_MINOR 7 /* Should not exceed 255! */ +#define PROT_MINOR 7 + +STATIC_ASSERT(PROT_MINOR <= 255, "PROT_MINOR must not exceed 255"); /* Silly Windows */ @@ -53,11 +56,18 @@ typedef enum request_t { LAST /* Guardian for the highest request number */ } request_t; +typedef bool (request_handler_t)(connection_t *c, const char *request); + typedef struct past_request_t { const char *request; time_t firstseen; } past_request_t; +typedef struct { + request_handler_t *const handler; + const char *name; +} request_entry_t; + extern bool tunnelserver; extern bool strictsubnets; extern bool experimental; @@ -80,62 +90,58 @@ extern ecdsa_t *invitation_key; /* Basic functions */ -extern bool send_request(struct connection_t *, const char *, ...) __attribute__ ((__format__(printf, 2, 3))); -extern void forward_request(struct connection_t *, const char *); -extern bool receive_request(struct connection_t *, const char *); +extern bool send_request(struct connection_t *c, const char *format, ...) ATTR_FORMAT(printf, 2, 3); +extern void forward_request(struct connection_t *c, const char *request); +extern bool receive_request(struct connection_t *c, const char *request); -extern void init_requests(void); extern void exit_requests(void); -extern bool seen_request(const char *); +extern bool seen_request(const char *request); + +extern const request_entry_t *get_request_entry(request_t req); /* 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_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_id(struct connection_t *c); +extern bool send_metakey(struct connection_t *c); +extern bool send_challenge(struct connection_t *c); +extern bool send_chal_reply(struct connection_t *c); +extern bool send_ack(struct connection_t *c); +extern bool send_termreq(struct connection_t *c); +extern bool send_ping(struct connection_t *c); +extern bool send_pong(struct connection_t *c); +extern bool send_add_subnet(struct connection_t *c, const struct subnet_t *subnet); +extern bool send_del_subnet(struct connection_t *c, const struct subnet_t *subnet); +extern bool send_add_edge(struct connection_t *c, const struct edge_t *e); +extern bool send_del_edge(struct connection_t *c, const struct edge_t *e); 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); +extern bool send_req_key(struct node_t *to); +extern bool send_ans_key(struct node_t *to); +extern bool send_tcppacket(struct connection_t *c, const struct vpn_packet_t *packet); +extern bool send_sptps_tcppacket(struct connection_t *c, const void *packet, size_t len); +extern bool send_udp_info(struct node_t *from, struct node_t *to); +extern bool send_mtu_info(struct node_t *from, struct node_t *to, int mtu); /* Request handlers */ -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__ */ +extern request_handler_t id_h; +extern request_handler_t metakey_h; +extern request_handler_t challenge_h; +extern request_handler_t chal_reply_h; +extern request_handler_t ack_h; +extern request_handler_t termreq_h; +extern request_handler_t ping_h; +extern request_handler_t pong_h; +extern request_handler_t add_subnet_h; +extern request_handler_t del_subnet_h; +extern request_handler_t add_edge_h; +extern request_handler_t del_edge_h; +extern request_handler_t key_changed_h; +extern request_handler_t req_key_h; +extern request_handler_t ans_key_h; +extern request_handler_t tcppacket_h; +extern request_handler_t sptps_tcppacket_h; +extern request_handler_t control_h; +extern request_handler_t udp_info_h; +extern request_handler_t mtu_info_h; + +#endif