1  /*
  2   * Copyright (c) 2000 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  /*
 29   * Copyright (c) 1982, 1986, 1993
 30   *	The Regents of the University of California.  All rights reserved.
 31   *
 32   * Redistribution and use in source and binary forms, with or without
 33   * modification, are permitted provided that the following conditions
 34   * are met:
 35   * 1. Redistributions of source code must retain the above copyright
 36   *    notice, this list of conditions and the following disclaimer.
 37   * 2. Redistributions in binary form must reproduce the above copyright
 38   *    notice, this list of conditions and the following disclaimer in the
 39   *    documentation and/or other materials provided with the distribution.
 40   * 3. All advertising materials mentioning features or use of this software
 41   *    must display the following acknowledgement:
 42   *	This product includes software developed by the University of
 43   *	California, Berkeley and its contributors.
 44   * 4. Neither the name of the University nor the names of its contributors
 45   *    may be used to endorse or promote products derived from this software
 46   *    without specific prior written permission.
 47   *
 48   * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 49   * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 50   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 51   * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 52   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 53   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 54   * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 55   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 56   * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 57   * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 58   * SUCH DAMAGE.
 59   *
 60   *	@(#)un.h	8.3 (Berkeley) 2/19/95
 61   */
 62  
 63  #ifndef _SYS_UN_H_
 64  #define _SYS_UN_H_
 65  
 66  #include <sys/appleapiopts.h>
 67  #include <sys/cdefs.h>
 68  #include <sys/_types.h>
 69  
 70  /* [XSI] The sa_family_t type shall be defined as described in <sys/socket.h> */
 71  #include <sys/_types/_sa_family_t.h>
 72  
 73  /*
 74   * [XSI] Definitions for UNIX IPC domain.
 75   */
 76  struct  sockaddr_un {
 77  	unsigned char   sun_len;        /* sockaddr len including null */
 78  	sa_family_t     sun_family;     /* [XSI] AF_UNIX */
 79  	char            sun_path[104];  /* [XSI] path name (gag) */
 80  };
 81  
 82  #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
 83  
 84  /* Level number of get/setsockopt for local domain sockets */
 85  #define SOL_LOCAL               0
 86  
 87  /* Socket options. */
 88  #define LOCAL_PEERCRED          0x001           /* retrieve peer credentials */
 89  #define LOCAL_PEERPID           0x002           /* retrieve peer pid */
 90  #define LOCAL_PEEREPID          0x003           /* retrieve eff. peer pid */
 91  #define LOCAL_PEERUUID          0x004           /* retrieve peer UUID */
 92  #define LOCAL_PEEREUUID         0x005           /* retrieve eff. peer UUID */
 93  #define LOCAL_PEERTOKEN         0x006           /* retrieve peer audit token */
 94  
 95  #endif  /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */
 96  
 97  
 98  #ifdef KERNEL
 99  #ifdef PRIVATE
100  #include <kern/locks.h>
101  __BEGIN_DECLS
102  struct mbuf;
103  struct socket;
104  struct sockopt;
105  
106  int     uipc_usrreq(struct socket *so, int req, struct mbuf *m,
107      struct mbuf *nam, struct mbuf *control);
108  int     uipc_ctloutput(struct socket *so, struct sockopt *sopt);
109  int     unp_connect2(struct socket *so, struct socket *so2);
110  void    unp_dispose(struct mbuf *m);
111  int     unp_externalize(struct mbuf *rights);
112  void    unp_init(void);
113  extern  struct pr_usrreqs uipc_usrreqs;
114  int     unp_lock(struct socket *, int, void *);
115  int     unp_unlock(struct socket *, int, void *);
116  lck_mtx_t* unp_getlock(struct socket *, int);
117  __END_DECLS
118  #endif /* PRIVATE */
119  #else /* !KERNEL */
120  
121  #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
122  /* actual length of an initialized sockaddr_un */
123  #define SUN_LEN(su) \
124  	(sizeof(*(su)) - sizeof((su)->sun_path) + strlen((su)->sun_path))
125  #endif  /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */
126  
127  #endif /* KERNEL */
128  
129  #endif /* !_SYS_UN_H_ */