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 | |