xref: /freebsd/contrib/openbsm/bin/auditdistd/proto_impl.h (revision 298cf604ccf133b101c6fad42d1a078a1fac58ca)
1 /*-
2  * Copyright (c) 2009-2010 The FreeBSD Foundation
3  * All rights reserved.
4  *
5  * This software was developed by Pawel Jakub Dawidek under sponsorship from
6  * the FreeBSD Foundation.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  *
29  * $P4: //depot/projects/trustedbsd/openbsm/bin/auditdistd/proto_impl.h#1 $
30  */
31 
32 #ifndef	_PROTO_IMPL_H_
33 #define	_PROTO_IMPL_H_
34 
35 #include <sys/queue.h>
36 
37 #include <stdbool.h>	/* bool */
38 #include <stdlib.h>	/* size_t */
39 
40 #define	__constructor	__attribute__((constructor))
41 
42 struct proto_conn;
43 
44 typedef int prt_connect_t(const char *, const char *, int, void **);
45 typedef int prt_connect_wait_t(void *, int);
46 typedef int prt_server_t(const char *, void **);
47 typedef int prt_accept_t(void *, void **);
48 typedef int prt_wrap_t(int, bool, void **);
49 typedef int prt_send_t(void *, const unsigned char *, size_t, int);
50 typedef int prt_recv_t(void *, unsigned char *, size_t, int *);
51 typedef int prt_descriptor_t(const void *);
52 typedef bool prt_address_match_t(const void *, const char *);
53 typedef void prt_local_address_t(const void *, char *, size_t);
54 typedef void prt_remote_address_t(const void *, char *, size_t);
55 typedef void prt_close_t(void *);
56 typedef int prt_exec_t(int, char *[]);
57 
58 struct proto {
59 	const char		*prt_name;
60 	prt_connect_t		*prt_connect;
61 	prt_connect_wait_t	*prt_connect_wait;
62 	prt_server_t		*prt_server;
63 	prt_accept_t		*prt_accept;
64 	prt_wrap_t		*prt_wrap;
65 	prt_send_t		*prt_send;
66 	prt_recv_t		*prt_recv;
67 	prt_descriptor_t	*prt_descriptor;
68 	prt_address_match_t	*prt_address_match;
69 	prt_local_address_t	*prt_local_address;
70 	prt_remote_address_t	*prt_remote_address;
71 	prt_close_t		*prt_close;
72 	prt_exec_t		*prt_exec;
73 	TAILQ_ENTRY(proto)	 prt_next;
74 };
75 
76 void proto_register(struct proto *proto, bool isdefault);
77 
78 int proto_wrap(const char *protoname, bool client, int fd,
79     struct proto_conn **newconnp);
80 
81 int proto_common_send(int sock, const unsigned char *data, size_t size, int fd);
82 int proto_common_recv(int sock, unsigned char *data, size_t size, int *fdp);
83 
84 #endif	/* !_PROTO_IMPL_H_ */
85