xref: /dragonfly/sys/kern/uipc_proto.c (revision 10cbe914)
1 /*-
2  * Copyright (c) 1982, 1986, 1993
3  *	The Regents of the University of California.  All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  * 3. All advertising materials mentioning features or use of this software
14  *    must display the following acknowledgement:
15  *	This product includes software developed by the University of
16  *	California, Berkeley and its contributors.
17  * 4. Neither the name of the University 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 IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31  * SUCH DAMAGE.
32  *
33  *	@(#)uipc_proto.c	8.1 (Berkeley) 6/10/93
34  * $FreeBSD: src/sys/kern/uipc_proto.c,v 1.21.2.1 2002/03/09 05:22:23 dd Exp $
35  * $DragonFly: src/sys/kern/uipc_proto.c,v 1.7 2008/10/27 02:56:30 sephe Exp $
36  */
37 
38 #include <sys/param.h>
39 #include <sys/kernel.h>
40 #include <sys/domain.h>
41 #include <sys/protosw.h>
42 #include <sys/socket.h>
43 #include <sys/queue.h>
44 #include <sys/sysctl.h>
45 #include <sys/un.h>
46 
47 #include <net/raw_cb.h>
48 
49 /*
50  * Definitions of protocols supported in the LOCAL domain.
51  */
52 
53 static struct protosw localsw[] = {
54     {
55 	.pr_type = SOCK_STREAM,
56 	.pr_domain = &localdomain,
57 	.pr_protocol = 0,
58 	.pr_flags = PR_CONNREQUIRED|PR_WANTRCVD|PR_RIGHTS|PR_SYNC_PORT,
59 	.pr_ctloutput = uipc_ctloutput,
60 	.pr_usrreqs = &uipc_usrreqs
61     },
62     {
63 	.pr_type = SOCK_SEQPACKET,
64 	.pr_domain = &localdomain,
65 	.pr_protocol = 0,
66 	.pr_flags = PR_CONNREQUIRED|PR_WANTRCVD|PR_RIGHTS|PR_SYNC_PORT|
67 		    PR_ATOMIC,
68 	.pr_ctloutput = uipc_ctloutput,
69 	.pr_usrreqs = &uipc_usrreqs
70     },
71     {
72 	.pr_type = SOCK_DGRAM,
73 	.pr_domain = &localdomain,
74 	.pr_protocol = 0,
75 	.pr_flags = PR_RIGHTS|PR_SYNC_PORT|PR_ATOMIC|PR_ADDR,
76 	.pr_ctloutput = NULL,
77 	.pr_usrreqs = &uipc_usrreqs
78     },
79     {
80 	.pr_type = 0,
81 	.pr_protocol = 0,
82 	.pr_flags = PR_SYNC_PORT,
83 	.pr_ctlinput = raw_ctlinput,
84 	.pr_ctloutput = NULL,
85 	.pr_init = raw_init,
86 	.pr_usrreqs = &raw_usrreqs
87     }
88 };
89 
90 struct domain localdomain = {
91 	AF_LOCAL, "local", unp_init, unp_externalize, unp_dispose,
92 	localsw, &localsw[sizeof(localsw)/sizeof(localsw[0])],
93 };
94 
95 DOMAIN_SET(local);
96 
97 SYSCTL_NODE(_net, PF_LOCAL, local, CTLFLAG_RW, 0, "Local domain");
98 SYSCTL_NODE(_net_local, SOCK_STREAM, stream, CTLFLAG_RW, 0, "SOCK_STREAM");
99 SYSCTL_NODE(_net_local, SOCK_SEQPACKET, seqpacket, CTLFLAG_RW, 0,
100 			"SOCK_SEQPACKET");
101 SYSCTL_NODE(_net_local, SOCK_DGRAM, dgram, CTLFLAG_RW, 0, "SOCK_DGRAM");
102