/*
 * Copyright (c) 2000-2012 Apple Inc. All rights reserved.
 *
 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
 *
 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apple Public Source License
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. The rights granted to you under the License
 * may not be used to create, or enable the creation or redistribution of,
 * unlawful or unlicensed copies of an Apple operating system, or to
 * circumvent, violate, or enable the circumvention or violation of, any
 * terms of an Apple operating system software license agreement.
 *
 * Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ and read it before using this file.
 *
 * The Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 * Please see the License for the specific language governing rights and
 * limitations under the License.
 *
 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
 */
/* Copyright (c) 1998, 1999 Apple Computer, Inc. All Rights Reserved */
/* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
/*-
 * Copyright (c) 1982, 1986, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *	@(#)uipc_proto.c	8.2 (Berkeley) 2/14/95
 */

#include <sys/param.h>
#include <sys/socket.h>
#include <sys/protosw.h>
#include <sys/domain.h>
#include <sys/mbuf.h>
#include <sys/mcache.h>
#include <sys/un.h>
#include <net/raw_cb.h>
#include <sys/sysctl.h>

/*
 * Definitions of protocols supported in the UNIX domain.
 */
struct domain *localdomain = NULL;
static void pre_unp_init(struct domain *);

extern struct domain localdomain_s;

static struct protosw localsw[] = {
	{
		.pr_type =      SOCK_STREAM,
		.pr_flags =     PR_CONNREQUIRED | PR_WANTRCVD | PR_RIGHTS | PR_PCBLOCK,
		.pr_ctloutput = uipc_ctloutput,
		.pr_usrreqs =   &uipc_usrreqs,
		.pr_lock =      unp_lock,
		.pr_unlock =    unp_unlock,
		.pr_getlock =   unp_getlock
	},
	{
		.pr_type =      SOCK_DGRAM,
		.pr_flags =     PR_ATOMIC | PR_ADDR | PR_RIGHTS,
		.pr_ctloutput = uipc_ctloutput,
		.pr_usrreqs =   &uipc_usrreqs,
		.pr_lock =      unp_lock,
		.pr_unlock =    unp_unlock,
		.pr_getlock =   unp_getlock
	},
	{
		.pr_ctlinput =  raw_ctlinput,
		.pr_usrreqs =   &raw_usrreqs,
	},
};

static int local_proto_count = (sizeof(localsw) / sizeof(struct protosw));

static void
pre_unp_init(struct domain *dp)
{
	struct protosw *pr;
	int i;

	VERIFY(!(dp->dom_flags & DOM_INITIALIZED));
	VERIFY(localdomain == NULL);

	localdomain = dp;

	for (i = 0, pr = &localsw[0]; i < local_proto_count; i++, pr++) {
		net_add_proto(pr, dp, 1);
	}

	unp_init();
}

struct domain localdomain_s = {
	.dom_family =           PF_LOCAL,
	.dom_name =             "unix",
	.dom_init =             pre_unp_init,
	.dom_externalize =      unp_externalize,
	.dom_dispose =          unp_dispose,
};

SYSCTL_NODE(_net, PF_LOCAL, local, CTLFLAG_RW | CTLFLAG_LOCKED,
    NULL, "Local domain");
SYSCTL_NODE(_net_local, SOCK_STREAM, stream, CTLFLAG_RW | CTLFLAG_LOCKED,
    NULL, "SOCK_STREAM");
SYSCTL_NODE(_net_local, SOCK_DGRAM, dgram, CTLFLAG_RW | CTLFLAG_LOCKED,
    NULL, "SOCK_DGRAM");