1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2009-2010 The FreeBSD Foundation 5 * 6 * This software was developed by Pawel Jakub Dawidek under sponsorship from 7 * the FreeBSD Foundation. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 */ 30 31 #ifndef _PROTO_IMPL_H_ 32 #define _PROTO_IMPL_H_ 33 34 #include <sys/queue.h> 35 36 #include <stdbool.h> /* bool */ 37 #include <stdlib.h> /* size_t */ 38 39 #define __constructor __attribute__((constructor)) 40 41 typedef int prt_client_t(const char *, const char *, void **); 42 typedef int prt_connect_t(void *, int); 43 typedef int prt_connect_wait_t(void *, int); 44 typedef int prt_server_t(const char *, void **); 45 typedef int prt_accept_t(void *, void **); 46 typedef int prt_wrap_t(int, bool, void **); 47 typedef int prt_send_t(void *, const unsigned char *, size_t, int); 48 typedef int prt_recv_t(void *, unsigned char *, size_t, int *); 49 typedef int prt_descriptor_t(const void *); 50 typedef bool prt_address_match_t(const void *, const char *); 51 typedef void prt_local_address_t(const void *, char *, size_t); 52 typedef void prt_remote_address_t(const void *, char *, size_t); 53 typedef void prt_close_t(void *); 54 55 struct proto { 56 const char *prt_name; 57 prt_client_t *prt_client; 58 prt_connect_t *prt_connect; 59 prt_connect_wait_t *prt_connect_wait; 60 prt_server_t *prt_server; 61 prt_accept_t *prt_accept; 62 prt_wrap_t *prt_wrap; 63 prt_send_t *prt_send; 64 prt_recv_t *prt_recv; 65 prt_descriptor_t *prt_descriptor; 66 prt_address_match_t *prt_address_match; 67 prt_local_address_t *prt_local_address; 68 prt_remote_address_t *prt_remote_address; 69 prt_close_t *prt_close; 70 TAILQ_ENTRY(proto) prt_next; 71 }; 72 73 void proto_register(struct proto *proto, bool isdefault); 74 75 int proto_common_send(int sock, const unsigned char *data, size_t size, int fd); 76 int proto_common_recv(int sock, unsigned char *data, size_t size, int *fdp); 77 78 #endif /* !_PROTO_IMPL_H_ */ 79