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 */ 78struct domain *localdomain = NULL; 79static void pre_unp_init(struct domain *); 80 81extern struct domain localdomain_s; 82 83static 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 108static int local_proto_count = (sizeof (localsw) / sizeof (struct protosw)); 109 110static void 111pre_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 unp_init(); 125} 126 127struct domain localdomain_s = { 128 .dom_family = PF_LOCAL, 129 .dom_name = "unix", 130 .dom_init = pre_unp_init, 131 .dom_externalize = unp_externalize, 132 .dom_dispose = unp_dispose, 133}; 134 135SYSCTL_NODE(_net, PF_LOCAL, local, CTLFLAG_RW|CTLFLAG_LOCKED, 136 NULL, "Local domain"); 137SYSCTL_NODE(_net_local, SOCK_STREAM, stream, CTLFLAG_RW|CTLFLAG_LOCKED, 138 NULL, "SOCK_STREAM"); 139SYSCTL_NODE(_net_local, SOCK_DGRAM, dgram, CTLFLAG_RW|CTLFLAG_LOCKED, 140 NULL, "SOCK_DGRAM"); 141