xref: /freebsd/contrib/bsnmp/snmpd/trans_lsock.h (revision 2357939bc239bd5334a169b62313806178dd8f30)
1 /*
2  * Copyright (c) 2003
3  *	Fraunhofer Institute for Open Communication Systems (FhG Fokus).
4  *	All rights reserved.
5  *
6  * Author: Harti Brandt <harti@freebsd.org>
7  *
8  * Redistribution of this software and documentation and use in source and
9  * binary forms, with or without modification, are permitted provided that
10  * the following conditions are met:
11  *
12  * 1. Redistributions of source code or documentation must retain the above
13  *    copyright 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  * 3. Neither the name of the Institute nor the names of its contributors
18  *    may be used to endorse or promote products derived from this software
19  *    without specific prior written permission.
20  *
21  * THIS SOFTWARE AND DOCUMENTATION IS PROVIDED BY FRAUNHOFER FOKUS
22  * AND ITS CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
23  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
24  * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
25  * FRAUNHOFER FOKUS OR ITS CONTRIBUTORS  BE LIABLE FOR ANY DIRECT, INDIRECT,
26  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
27  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
28  * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
29  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
30  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
31  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32  *
33  * $Begemot: bsnmp/snmpd/trans_lsock.h,v 1.2 2003/12/09 12:28:53 hbb Exp $
34  *
35  * Local domain socket transport
36  */
37 
38 enum locp {
39 	LOCP_DGRAM_UNPRIV	= 1,
40 	LOCP_DGRAM_PRIV		= 2,
41 	LOCP_STREAM_UNPRIV	= 3,
42 	LOCP_STREAM_PRIV	= 4,
43 };
44 struct lsock_peer {
45 	LIST_ENTRY(lsock_peer) link;
46 	struct port_input input;
47 	struct sockaddr_un peer;
48 	struct lsock_port *port;	/* parent port */
49 };
50 
51 struct lsock_port {
52 	struct tport	tport;		/* must begin with this */
53 
54 	char		*name;		/* unix path name */
55 	enum locp	type;		/* type of port */
56 
57 	int		str_sock;	/* stream socket */
58 	void		*str_id;	/* select handle */
59 
60 	LIST_HEAD(, lsock_peer) peers;
61 };
62 
63 extern const struct transport_def lsock_trans;
64