1/*
2 * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. The rights granted to you under the License
10 * may not be used to create, or enable the creation or redistribution of,
11 * unlawful or unlicensed copies of an Apple operating system, or to
12 * circumvent, violate, or enable the circumvention or violation of, any
13 * terms of an Apple operating system software license agreement.
14 *
15 * Please obtain a copy of the License at
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.
17 *
18 * The Original Code and all software distributed under the License are
19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23 * Please see the License for the specific language governing rights and
24 * limitations under the License.
25 *
26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27 */
28/* Copyright (c) 1998, 1999 Apple Computer, Inc. All Rights Reserved */
29/* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
30/*-
31 * Copyright (c) 1982, 1986, 1993
32 *	The Regents of the University of California.  All rights reserved.
33 *
34 * Redistribution and use in source and binary forms, with or without
35 * modification, are permitted provided that the following conditions
36 * are met:
37 * 1. Redistributions of source code must retain the above copyright
38 *    notice, this list of conditions and the following disclaimer.
39 * 2. Redistributions in binary form must reproduce the above copyright
40 *    notice, this list of conditions and the following disclaimer in the
41 *    documentation and/or other materials provided with the distribution.
42 * 3. All advertising materials mentioning features or use of this software
43 *    must display the following acknowledgement:
44 *	This product includes software developed by the University of
45 *	California, Berkeley and its contributors.
46 * 4. Neither the name of the University nor the names of its contributors
47 *    may be used to endorse or promote products derived from this software
48 *    without specific prior written permission.
49 *
50 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
51 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
52 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
53 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
54 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
55 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
56 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
57 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
58 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
59 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
60 * SUCH DAMAGE.
61 *
62 *	@(#)uipc_proto.c	8.2 (Berkeley) 2/14/95
63 */
64
65#include <sys/param.h>
66#include <sys/socket.h>
67#include <sys/protosw.h>
68#include <sys/domain.h>
69#include <sys/mbuf.h>
70#include <sys/un.h>
71#include <net/raw_cb.h>
72#include <sys/sysctl.h>
73
74/*
75 * Definitions of protocols supported in the UNIX domain.
76 */
77
78int	raw_usrreq(void);
79static void pre_unp_init(void) __attribute__((section("__TEXT, initcode")));
80
81static struct protosw localsw[] = {
82	{
83		.pr_type = SOCK_STREAM,
84		.pr_domain = &localdomain,
85		.pr_flags = PR_CONNREQUIRED|PR_WANTRCVD|PR_RIGHTS|PR_PCBLOCK,
86		.pr_ctloutput = uipc_ctloutput,
87		.pr_usrreqs = &uipc_usrreqs,
88		.pr_lock = unp_lock,
89		.pr_unlock = unp_unlock,
90		.pr_getlock = unp_getlock
91	},
92	{
93		.pr_type = SOCK_DGRAM,
94		.pr_domain = &localdomain,
95		.pr_flags = PR_ATOMIC|PR_ADDR|PR_RIGHTS,
96		.pr_ctloutput = uipc_ctloutput,
97		.pr_usrreqs = &uipc_usrreqs,
98		.pr_lock = unp_lock,
99		.pr_unlock = unp_unlock,
100		.pr_getlock = unp_getlock
101	},
102	{
103		.pr_ctlinput  = raw_ctlinput,
104		.pr_usrreqs = &raw_usrreqs,
105	},
106};
107
108int local_proto_count = (sizeof (localsw) / sizeof (struct protosw));
109
110static void
111pre_unp_init(void)
112{
113	int i;
114	struct protosw *pr;
115	struct domain *dp = &localdomain;
116
117	for (i=0, pr = &localsw[0]; i<local_proto_count; i++, pr++)
118		net_add_proto(pr, dp);
119	unp_init();
120}
121
122struct domain localdomain = {
123	.dom_family = AF_LOCAL,
124	.dom_name = "unix",
125	.dom_init = pre_unp_init,
126	.dom_externalize = unp_externalize,
127	.dom_dispose = unp_dispose,
128	.dom_protosw = localsw
129};
130
131SYSCTL_NODE(_net, PF_LOCAL, local, CTLFLAG_RW|CTLFLAG_LOCKED, NULL, "Local domain");
132SYSCTL_NODE(_net_local, SOCK_STREAM, stream, CTLFLAG_RW|CTLFLAG_LOCKED, NULL, "SOCK_STREAM");
133SYSCTL_NODE(_net_local, SOCK_DGRAM, dgram, CTLFLAG_RW|CTLFLAG_LOCKED, NULL, "SOCK_DGRAM");
134