1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2009-2010 The FreeBSD Foundation 5 * All rights reserved. 6 * 7 * This software was developed by Pawel Jakub Dawidek under sponsorship from 8 * the FreeBSD Foundation. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * $FreeBSD$ 32 */ 33 34 #ifndef _PROTO_IMPL_H_ 35 #define _PROTO_IMPL_H_ 36 37 #include <sys/queue.h> 38 39 #include <stdbool.h> /* bool */ 40 #include <stdlib.h> /* size_t */ 41 42 #define __constructor __attribute__((constructor)) 43 44 typedef int prt_client_t(const char *, const char *, void **); 45 typedef int prt_connect_t(void *, int); 46 typedef int prt_connect_wait_t(void *, int); 47 typedef int prt_server_t(const char *, void **); 48 typedef int prt_accept_t(void *, void **); 49 typedef int prt_wrap_t(int, bool, void **); 50 typedef int prt_send_t(void *, const unsigned char *, size_t, int); 51 typedef int prt_recv_t(void *, unsigned char *, size_t, int *); 52 typedef int prt_descriptor_t(const void *); 53 typedef bool prt_address_match_t(const void *, const char *); 54 typedef void prt_local_address_t(const void *, char *, size_t); 55 typedef void prt_remote_address_t(const void *, char *, size_t); 56 typedef void prt_close_t(void *); 57 58 struct proto { 59 const char *prt_name; 60 prt_client_t *prt_client; 61 prt_connect_t *prt_connect; 62 prt_connect_wait_t *prt_connect_wait; 63 prt_server_t *prt_server; 64 prt_accept_t *prt_accept; 65 prt_wrap_t *prt_wrap; 66 prt_send_t *prt_send; 67 prt_recv_t *prt_recv; 68 prt_descriptor_t *prt_descriptor; 69 prt_address_match_t *prt_address_match; 70 prt_local_address_t *prt_local_address; 71 prt_remote_address_t *prt_remote_address; 72 prt_close_t *prt_close; 73 TAILQ_ENTRY(proto) prt_next; 74 }; 75 76 void proto_register(struct proto *proto, bool isdefault); 77 78 int proto_common_send(int sock, const unsigned char *data, size_t size, int fd); 79 int proto_common_recv(int sock, unsigned char *data, size_t size, int *fdp); 80 81 #endif /* !_PROTO_IMPL_H_ */ 82