1/* GIO - GLib Input, Output and Streaming Library
2 *
3 * Copyright 2013 Red Hat, Inc.
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2.1 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
14 *
15 * You should have received a copy of the GNU Lesser General
16 * Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
17 */
18
19#ifndef __G_CREDENTIALS_PRIVATE_H__
20#define __G_CREDENTIALS_PRIVATE_H__
21
22#include "gio/gcredentials.h"
23#include "gio/gnetworking.h"
24
25/*
26 * G_CREDENTIALS_SUPPORTED:
27 *
28 * Defined to 1 if GCredentials works.
29 */
30#undef G_CREDENTIALS_SUPPORTED
31
32/*
33 * G_CREDENTIALS_USE_LINUX_UCRED, etc.:
34 *
35 * Defined to 1 if GCredentials uses Linux `struct ucred`, etc.
36 */
37#undef G_CREDENTIALS_USE_LINUX_UCRED
38#undef G_CREDENTIALS_USE_FREEBSD_CMSGCRED
39#undef G_CREDENTIALS_USE_NETBSD_UNPCBID
40#undef G_CREDENTIALS_USE_OPENBSD_SOCKPEERCRED
41#undef G_CREDENTIALS_USE_SOLARIS_UCRED
42#undef G_CREDENTIALS_USE_APPLE_XUCRED
43
44/*
45 * G_CREDENTIALS_NATIVE_TYPE:
46 *
47 * Defined to one of G_CREDENTIALS_TYPE_LINUX_UCRED, etc.
48 */
49#undef G_CREDENTIALS_NATIVE_TYPE
50
51/*
52 * G_CREDENTIALS_NATIVE_SIZE:
53 *
54 * Defined to the size of the %G_CREDENTIALS_NATIVE_TYPE
55 */
56#undef G_CREDENTIALS_NATIVE_SIZE
57
58/*
59 * G_CREDENTIALS_UNIX_CREDENTIALS_MESSAGE_SUPPORTED:
60 *
61 * Defined to 1 if we have a message-passing API in which credentials
62 * are attached to a particular message, such as `SCM_CREDENTIALS` on Linux
63 * or `SCM_CREDS` on FreeBSD.
64 */
65#undef G_CREDENTIALS_UNIX_CREDENTIALS_MESSAGE_SUPPORTED
66
67/*
68 * G_CREDENTIALS_SOCKET_GET_CREDENTIALS_SUPPORTED:
69 *
70 * Defined to 1 if we have a `getsockopt()`-style API in which one end of
71 * a socket connection can directly query the credentials of the process
72 * that initiated the other end, such as `getsockopt SO_PEERCRED` on Linux
73 * or `getpeereid()` on multiple operating systems.
74 */
75#undef G_CREDENTIALS_SOCKET_GET_CREDENTIALS_SUPPORTED
76
77/*
78 * G_CREDENTIALS_SPOOFING_SUPPORTED:
79 *
80 * Defined to 1 if privileged processes can spoof their credentials when
81 * using the message-passing API.
82 */
83#undef G_CREDENTIALS_SPOOFING_SUPPORTED
84
85/*
86 * G_CREDENTIALS_PREFER_MESSAGE_PASSING:
87 *
88 * Defined to 1 if the data structure transferred by the message-passing
89 * API is strictly more informative than the one transferred by the
90 * `getsockopt()`-style API, and hence should be preferred, even for
91 * protocols like D-Bus that are defined in terms of the credentials of
92 * the (process that opened the) socket, as opposed to the credentials
93 * of an individual message.
94 */
95#undef G_CREDENTIALS_PREFER_MESSAGE_PASSING
96
97/*
98 * G_CREDENTIALS_HAS_PID:
99 *
100 * Defined to 1 if the %G_CREDENTIALS_NATIVE_TYPE contains the process ID.
101 */
102#undef G_CREDENTIALS_HAS_PID
103
104#ifdef __linux__
105#define G_CREDENTIALS_SUPPORTED 1
106#define G_CREDENTIALS_USE_LINUX_UCRED 1
107#define G_CREDENTIALS_NATIVE_TYPE G_CREDENTIALS_TYPE_LINUX_UCRED
108#define G_CREDENTIALS_NATIVE_SIZE (sizeof (struct ucred))
109#define G_CREDENTIALS_UNIX_CREDENTIALS_MESSAGE_SUPPORTED 1
110#define G_CREDENTIALS_SOCKET_GET_CREDENTIALS_SUPPORTED 1
111#define G_CREDENTIALS_SPOOFING_SUPPORTED 1
112#define G_CREDENTIALS_HAS_PID 1
113
114#elif defined(__FreeBSD__) || \
115 defined(__FreeBSD_kernel__) /* Debian GNU/kFreeBSD */ || \
116 defined(__GNU__) /* GNU Hurd */ || \
117 defined(__DragonFly__) /* DragonFly BSD */
118#define G_CREDENTIALS_SUPPORTED 1
119#define G_CREDENTIALS_USE_FREEBSD_CMSGCRED 1
120#define G_CREDENTIALS_NATIVE_TYPE G_CREDENTIALS_TYPE_FREEBSD_CMSGCRED
121#define G_CREDENTIALS_NATIVE_SIZE (sizeof (struct cmsgcred))
122#define G_CREDENTIALS_UNIX_CREDENTIALS_MESSAGE_SUPPORTED 1
123#define G_CREDENTIALS_SPOOFING_SUPPORTED 1
124/* GLib doesn't implement it yet, but FreeBSD's getsockopt()-style API
125 * is getpeereid(), which is not as informative as struct cmsgcred -
126 * it does not tell us the PID. As a result, libdbus prefers to use
127 * SCM_CREDS, and if we implement getpeereid() in future, we should
128 * do the same. */
129#define G_CREDENTIALS_PREFER_MESSAGE_PASSING 1
130#define G_CREDENTIALS_HAS_PID 1
131
132#elif defined(__NetBSD__)
133#define G_CREDENTIALS_SUPPORTED 1
134#define G_CREDENTIALS_USE_NETBSD_UNPCBID 1
135#define G_CREDENTIALS_NATIVE_TYPE G_CREDENTIALS_TYPE_NETBSD_UNPCBID
136#define G_CREDENTIALS_NATIVE_SIZE (sizeof (struct unpcbid))
137/* #undef G_CREDENTIALS_UNIX_CREDENTIALS_MESSAGE_SUPPORTED */
138#define G_CREDENTIALS_SPOOFING_SUPPORTED 1
139#define G_CREDENTIALS_HAS_PID 1
140
141#elif defined(__OpenBSD__)
142#define G_CREDENTIALS_SUPPORTED 1
143#define G_CREDENTIALS_USE_OPENBSD_SOCKPEERCRED 1
144#define G_CREDENTIALS_NATIVE_TYPE G_CREDENTIALS_TYPE_OPENBSD_SOCKPEERCRED
145#define G_CREDENTIALS_NATIVE_SIZE (sizeof (struct sockpeercred))
146#define G_CREDENTIALS_SOCKET_GET_CREDENTIALS_SUPPORTED 1
147#define G_CREDENTIALS_SPOOFING_SUPPORTED 1
148#define G_CREDENTIALS_HAS_PID 1
149
150#elif defined(__sun__) || defined(__illumos__) || defined (__OpenSolaris_kernel__)
151#include <ucred.h>
152#define G_CREDENTIALS_SUPPORTED 1
153#define G_CREDENTIALS_USE_SOLARIS_UCRED 1
154#define G_CREDENTIALS_NATIVE_TYPE G_CREDENTIALS_TYPE_SOLARIS_UCRED
155#define G_CREDENTIALS_NATIVE_SIZE (ucred_size ())
156#define G_CREDENTIALS_UNIX_CREDENTIALS_MESSAGE_SUPPORTED 1
157#define G_CREDENTIALS_SOCKET_GET_CREDENTIALS_SUPPORTED 1
158#define G_CREDENTIALS_HAS_PID 1
159
160#elif defined(__APPLE__)
161#include <sys/ucred.h>
162#define G_CREDENTIALS_SUPPORTED 1
163#define G_CREDENTIALS_USE_APPLE_XUCRED 1
164#define G_CREDENTIALS_NATIVE_TYPE G_CREDENTIALS_TYPE_APPLE_XUCRED
165#define G_CREDENTIALS_NATIVE_SIZE (sizeof (struct xucred))
166#undef G_CREDENTIALS_UNIX_CREDENTIALS_MESSAGE_SUPPORTED
167#define G_CREDENTIALS_SOCKET_GET_CREDENTIALS_SUPPORTED 1
168#define G_CREDENTIALS_SPOOFING_SUPPORTED 1
169#define G_CREDENTIALS_HAS_PID 0
170
171#endif
172
173#endif /* __G_CREDENTIALS_PRIVATE_H__ */
174

source code of gtk/subprojects/glib/gio/gcredentialsprivate.h