| 1 | /* $NetBSD: un.h,v 1.57 2016/04/06 19:45:46 roy Exp $ */ |
| 2 | |
| 3 | /* |
| 4 | * Copyright (c) 1982, 1986, 1993 |
| 5 | * The Regents of the University of California. All rights reserved. |
| 6 | * |
| 7 | * Redistribution and use in source and binary forms, with or without |
| 8 | * modification, are permitted provided that the following conditions |
| 9 | * are met: |
| 10 | * 1. Redistributions of source code must retain the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer. |
| 12 | * 2. Redistributions in binary form must reproduce the above copyright |
| 13 | * notice, this list of conditions and the following disclaimer in the |
| 14 | * documentation and/or other materials provided with the distribution. |
| 15 | * 3. Neither the name of the University nor the names of its contributors |
| 16 | * may be used to endorse or promote products derived from this software |
| 17 | * without specific prior written permission. |
| 18 | * |
| 19 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| 20 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 21 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 22 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| 23 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 24 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 25 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 26 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 27 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 28 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 29 | * SUCH DAMAGE. |
| 30 | * |
| 31 | * @(#)un.h 8.3 (Berkeley) 2/19/95 |
| 32 | */ |
| 33 | |
| 34 | #ifndef _SYS_UN_H_ |
| 35 | #define _SYS_UN_H_ |
| 36 | |
| 37 | #include <sys/ansi.h> |
| 38 | #include <sys/featuretest.h> |
| 39 | #include <sys/types.h> |
| 40 | |
| 41 | #ifndef sa_family_t |
| 42 | typedef __sa_family_t sa_family_t; |
| 43 | #define sa_family_t __sa_family_t |
| 44 | #endif |
| 45 | |
| 46 | /* |
| 47 | * Definitions for UNIX IPC domain. |
| 48 | */ |
| 49 | struct sockaddr_un { |
| 50 | uint8_t sun_len; /* total sockaddr length */ |
| 51 | sa_family_t sun_family; /* AF_LOCAL */ |
| 52 | char sun_path[104]; /* path name (gag) */ |
| 53 | }; |
| 54 | |
| 55 | /* |
| 56 | * Socket options for UNIX IPC domain. |
| 57 | */ |
| 58 | #if defined(_NETBSD_SOURCE) |
| 59 | #define LOCAL_OCREDS 0x0001 /* pass credentials to receiver */ |
| 60 | #define LOCAL_CONNWAIT 0x0002 /* connects block until accepted */ |
| 61 | #define LOCAL_PEEREID 0x0003 /* get peer identification */ |
| 62 | #define LOCAL_CREDS 0x0004 /* pass credentials to receiver */ |
| 63 | #endif |
| 64 | |
| 65 | /* |
| 66 | * Data automatically stored inside connect() for use by LOCAL_PEEREID |
| 67 | */ |
| 68 | struct unpcbid { |
| 69 | pid_t unp_pid; /* process id */ |
| 70 | uid_t unp_euid; /* effective user id */ |
| 71 | gid_t unp_egid; /* effective group id */ |
| 72 | }; |
| 73 | |
| 74 | #ifdef _KERNEL |
| 75 | |
| 76 | struct unpcb; |
| 77 | struct socket; |
| 78 | struct sockopt; |
| 79 | struct sockaddr; |
| 80 | |
| 81 | extern const struct pr_usrreqs unp_usrreqs; |
| 82 | |
| 83 | int uipc_ctloutput(int, struct socket *, struct sockopt *); |
| 84 | void uipc_init(void); |
| 85 | kmutex_t *uipc_dgramlock(void); |
| 86 | kmutex_t *uipc_streamlock(void); |
| 87 | kmutex_t *uipc_rawlock(void); |
| 88 | |
| 89 | int unp_connect(struct socket *, struct sockaddr *, struct lwp *); |
| 90 | int unp_connect2(struct socket *, struct socket *); |
| 91 | void unp_dispose(struct mbuf *); |
| 92 | int unp_externalize(struct mbuf *, struct lwp *, int); |
| 93 | |
| 94 | #else /* !_KERNEL */ |
| 95 | |
| 96 | /* actual length of an initialized sockaddr_un */ |
| 97 | #if defined(_NETBSD_SOURCE) |
| 98 | #define SUN_LEN(su) \ |
| 99 | (sizeof(*(su)) - sizeof((su)->sun_path) + strlen((su)->sun_path)) |
| 100 | #endif /* !_NetBSD_SOURCE */ |
| 101 | #endif /* _KERNEL */ |
| 102 | |
| 103 | #endif /* !_SYS_UN_H_ */ |
| 104 | |