1 | /* |
2 | * Copyright (c) 2000-2012 Apple 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/mcache.h> |
71 | #include <sys/un.h> |
72 | #include <net/raw_cb.h> |
73 | #include <sys/sysctl.h> |
74 | |
75 | /* |
76 | * Definitions of protocols supported in the UNIX domain. |
77 | */ |
78 | struct domain *localdomain = NULL; |
79 | static void pre_unp_init(struct domain *); |
80 | |
81 | extern struct domain localdomain_s; |
82 | |
83 | static struct protosw localsw[] = { |
84 | { |
85 | .pr_type = SOCK_STREAM, |
86 | .pr_flags = PR_CONNREQUIRED | PR_WANTRCVD | PR_RIGHTS | PR_PCBLOCK, |
87 | .pr_ctloutput = uipc_ctloutput, |
88 | .pr_usrreqs = &uipc_usrreqs, |
89 | .pr_lock = unp_lock, |
90 | .pr_unlock = unp_unlock, |
91 | .pr_getlock = unp_getlock |
92 | }, |
93 | { |
94 | .pr_type = SOCK_DGRAM, |
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 | |
108 | static int local_proto_count = (sizeof(localsw) / sizeof(struct protosw)); |
109 | |
110 | static void |
111 | pre_unp_init(struct domain *dp) |
112 | { |
113 | struct protosw *pr; |
114 | int i; |
115 | |
116 | VERIFY(!(dp->dom_flags & DOM_INITIALIZED)); |
117 | VERIFY(localdomain == NULL); |
118 | |
119 | localdomain = dp; |
120 | |
121 | for (i = 0, pr = &localsw[0]; i < local_proto_count; i++, pr++) { |
122 | net_add_proto(pr, dp, 1); |
123 | } |
124 | |
125 | unp_init(); |
126 | } |
127 | |
128 | struct domain localdomain_s = { |
129 | .dom_family = PF_LOCAL, |
130 | .dom_name = "unix" , |
131 | .dom_init = pre_unp_init, |
132 | .dom_externalize = unp_externalize, |
133 | .dom_dispose = unp_dispose, |
134 | }; |
135 | |
136 | SYSCTL_NODE(_net, PF_LOCAL, local, CTLFLAG_RW | CTLFLAG_LOCKED, |
137 | NULL, "Local domain" ); |
138 | SYSCTL_NODE(_net_local, SOCK_STREAM, stream, CTLFLAG_RW | CTLFLAG_LOCKED, |
139 | NULL, "SOCK_STREAM" ); |
140 | SYSCTL_NODE(_net_local, SOCK_DGRAM, dgram, CTLFLAG_RW | CTLFLAG_LOCKED, |
141 | NULL, "SOCK_DGRAM" ); |
142 | |