bsd/kern/uipc_proto.c

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
   7  *
   8  * This file contains Original Code and/or Modifications of Original Code
   9  * as defined in and that are subject to the Apple Public Source License
  10  * Version 2.0 (the 'License'). You may not use this file except in
  11  * compliance with the License. Please obtain a copy of the License at
  12  * http://www.opensource.apple.com/apsl/ and read it before using this
  13  * file.
  14  *
  15  * The Original Code and all software distributed under the License are
  16  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  17  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  18  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  20  * Please see the License for the specific language governing rights and
  21  * limitations under the License.
  22  *
  23  * @APPLE_LICENSE_HEADER_END@
  24  */
  25 /* Copyright (c) 1998, 1999 Apple Computer, Inc. All Rights Reserved */
  26 /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
  27 /*-
  28  * Copyright (c) 1982, 1986, 1993
  29  *      The Regents of the University of California.  All rights reserved.
  30  *
  31  * Redistribution and use in source and binary forms, with or without
  32  * modification, are permitted provided that the following conditions
  33  * are met:
  34  * 1. Redistributions of source code must retain the above copyright
  35  *    notice, this list of conditions and the following disclaimer.
  36  * 2. Redistributions in binary form must reproduce the above copyright
  37  *    notice, this list of conditions and the following disclaimer in the
  38  *    documentation and/or other materials provided with the distribution.
  39  * 3. All advertising materials mentioning features or use of this software
  40  *    must display the following acknowledgement:
  41  *      This product includes software developed by the University of
  42  *      California, Berkeley and its contributors.
  43  * 4. Neither the name of the University nor the names of its contributors
  44  *    may be used to endorse or promote products derived from this software
  45  *    without specific prior written permission.
  46  *
  47  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  48  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  49  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  50  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  51  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  52  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  53  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  54  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  55  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  56  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  57  * SUCH DAMAGE.
  58  *
  59  *      @(#)uipc_proto.c        8.2 (Berkeley) 2/14/95
  60  */
  61
  62 #include <sys/param.h>
  63 #include <sys/socket.h>
  64 #include <sys/protosw.h>
  65 #include <sys/domain.h>
  66 #include <sys/mbuf.h>
  67 #include <sys/un.h>
  68 #include <net/raw_cb.h>
  69 #include <sys/sysctl.h>
  70
  71 /*
  72  * Definitions of protocols supported in the UNIX domain.
  73  */
  74
  75 int     uipc_usrreq(), raw_usrreq();
  76 void    raw_init(), raw_input(), raw_ctlinput();
  77 extern  struct domain localdomain;              /* or at least forward */
  78
  79 static struct protosw localsw[] = {
  80 { SOCK_STREAM,  &localdomain,   0,      PR_CONNREQUIRED|PR_WANTRCVD|PR_RIGHTS,
  81   0,            0,              0,              0,
  82   0,
  83   0,            0,              0,              0,
  84   0,            &uipc_usrreqs
  85 },
  86 { SOCK_DGRAM,   &localdomain,   0,              PR_ATOMIC|PR_ADDR|PR_RIGHTS,
  87   0,            0,              0,              0,
  88   0,
  89   0,            0,              0,              0,
  90   0,            &uipc_usrreqs
  91 },
  92 { 0,            0,              0,              0,
  93   0,            0,              raw_ctlinput,   0,
  94   0,
  95   raw_init,     0,              0,              0,
  96   0, &raw_usrreqs
  97 }
  98 };
  99
 100 int local_proto_count = (sizeof (localsw) / sizeof (struct protosw));
 101
 102 static void pre_unp_init()
 103 {       static int localdomain_initted = 0;
 104         register int i;
 105         register struct protosw *pr;
 106         register struct domain *dp = &localdomain;
 107
 108         for (i=0, pr = &localsw[0]; i<local_proto_count; i++, pr++)
 109                 net_add_proto(pr, dp);
 110         unp_init();
 111 }
 112
 113 struct domain localdomain =
 114     { AF_LOCAL, "unix", pre_unp_init, unp_externalize, unp_dispose,
 115       localsw};
 116
 117
 118
 119
 120 SYSCTL_NODE(_net, PF_LOCAL, local, CTLFLAG_RW, 0, "Local domain");
 121 SYSCTL_NODE(_net_local, SOCK_STREAM, stream, CTLFLAG_RW, 0, "SOCK_STREAM");
 122 SYSCTL_NODE(_net_local, SOCK_DGRAM, dgram, CTLFLAG_RW, 0, "SOCK_DGRAM");
 123