D-Bus: dbus-credentials-util.c Source File

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dbus-credentials-util.c
1 /* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
2 /* dbus-credentials-util.c Would be in dbus-credentials.c, but only used for tests/bus
3 *
4 * Copyright (C) 2007 Red Hat Inc.
5 *
6 * Licensed under the Academic Free License version 2.1
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 *
22 */
23
24 #include <config.h>
25 #include "dbus-internals.h"
26 #include "dbus-test.h"
27 #include "dbus-credentials.h"
28
36 #ifdef DBUS_ENABLE_EMBEDDED_TESTS
37 #include "dbus-test.h"
38 #include <stdio.h>
39 #include <string.h>
40
41 static DBusCredentials*
42 make_credentials(dbus_uid_t unix_uid,
43 dbus_pid_t pid,
44 const char *windows_sid)
45 {
46 DBusCredentials *credentials;
47
48 credentials = _dbus_credentials_new ();
49
50 if (unix_uid != DBUS_UID_UNSET)
51 {
52 if (!_dbus_credentials_add_unix_uid (credentials, unix_uid))
53 {
54 _dbus_credentials_unref (credentials);
55 return NULL;
56 }
57 }
58
59 if (pid != DBUS_PID_UNSET)
60 {
61 if (!_dbus_credentials_add_pid (credentials, pid))
62 {
63 _dbus_credentials_unref (credentials);
64 return NULL;
65 }
66 }
67
68 if (windows_sid != NULL)
69 {
70 if (!_dbus_credentials_add_windows_sid (credentials, windows_sid))
71 {
72 _dbus_credentials_unref (credentials);
73 return NULL;
74 }
75 }
76
77 return credentials;
78 }
79
80 #define SAMPLE_SID "whatever a windows sid looks like"
81 #define OTHER_SAMPLE_SID "whatever else"
82
83 dbus_bool_t
84 _dbus_credentials_test (const char *test_data_dir)
85 {
86 DBusCredentials *creds;
87 DBusCredentials *creds2;
88
89 if (test_data_dir == NULL)
90 return TRUE;
91
92 creds = make_credentials (12, 511, SAMPLE_SID);
93 if (creds == NULL)
94 _dbus_assert_not_reached ("oom");
95
96 /* test refcounting */
97 _dbus_credentials_ref (creds);
98 _dbus_credentials_unref (creds);
99
100 _dbus_assert (_dbus_credentials_include (creds, DBUS_CREDENTIAL_UNIX_USER_ID));
101 _dbus_assert (_dbus_credentials_include (creds, DBUS_CREDENTIAL_UNIX_PROCESS_ID));
102 _dbus_assert (_dbus_credentials_include (creds, DBUS_CREDENTIAL_WINDOWS_SID));
103
104 _dbus_assert (_dbus_credentials_get_unix_uid (creds) == 12);
105 _dbus_assert (_dbus_credentials_get_pid (creds) == 511);
106 _dbus_assert (strcmp (_dbus_credentials_get_windows_sid (creds), SAMPLE_SID) == 0);
107
108 _dbus_assert (!_dbus_credentials_are_empty (creds));
109 _dbus_assert (!_dbus_credentials_are_anonymous (creds));
110
111 /* Test copy */
112 creds2 = _dbus_credentials_copy (creds);
113 if (creds2 == NULL)
114 _dbus_assert_not_reached ("oom");
115
116 _dbus_assert (_dbus_credentials_include (creds2, DBUS_CREDENTIAL_UNIX_USER_ID));
117 _dbus_assert (_dbus_credentials_include (creds2, DBUS_CREDENTIAL_UNIX_PROCESS_ID));
118 _dbus_assert (_dbus_credentials_include (creds2, DBUS_CREDENTIAL_WINDOWS_SID));
119
120 _dbus_assert (_dbus_credentials_get_unix_uid (creds2) == 12);
121 _dbus_assert (_dbus_credentials_get_pid (creds2) == 511);
122 _dbus_assert (strcmp (_dbus_credentials_get_windows_sid (creds2), SAMPLE_SID) == 0);
123
124 _dbus_assert (_dbus_credentials_are_superset (creds, creds2));
125
126 _dbus_credentials_unref (creds2);
127
128 /* Same user if both unix and windows are the same */
129 creds2 = make_credentials (12, DBUS_PID_UNSET, SAMPLE_SID);
130 if (creds2 == NULL)
131 _dbus_assert_not_reached ("oom");
132
133 _dbus_assert (_dbus_credentials_same_user (creds, creds2));
134
135 _dbus_credentials_unref (creds2);
136
137 /* Not the same user if Windows is missing */
138 creds2 = make_credentials (12, DBUS_PID_UNSET, NULL);
139 if (creds2 == NULL)
140 _dbus_assert_not_reached ("oom");
141
142 _dbus_assert (!_dbus_credentials_same_user (creds, creds2));
143 _dbus_assert (_dbus_credentials_are_superset (creds, creds2));
144
145 _dbus_credentials_unref (creds2);
146
147 /* Not the same user if Windows is different */
148 creds2 = make_credentials (12, DBUS_PID_UNSET, OTHER_SAMPLE_SID);
149 if (creds2 == NULL)
150 _dbus_assert_not_reached ("oom");
151
152 _dbus_assert (!_dbus_credentials_same_user (creds, creds2));
153 _dbus_assert (!_dbus_credentials_are_superset (creds, creds2));
154
155 _dbus_credentials_unref (creds2);
156
157 /* Not the same user if Unix is missing */
158 creds2 = make_credentials (DBUS_UID_UNSET, DBUS_PID_UNSET, SAMPLE_SID);
159 if (creds2 == NULL)
160 _dbus_assert_not_reached ("oom");
161
162 _dbus_assert (!_dbus_credentials_same_user (creds, creds2));
163 _dbus_assert (_dbus_credentials_are_superset (creds, creds2));
164
165 _dbus_credentials_unref (creds2);
166
167 /* Not the same user if Unix is different */
168 creds2 = make_credentials (15, DBUS_PID_UNSET, SAMPLE_SID);
169 if (creds2 == NULL)
170 _dbus_assert_not_reached ("oom");
171
172 _dbus_assert (!_dbus_credentials_same_user (creds, creds2));
173 _dbus_assert (!_dbus_credentials_are_superset (creds, creds2));
174
175 _dbus_credentials_unref (creds2);
176
177 /* Not the same user if both are missing */
178 creds2 = make_credentials (DBUS_UID_UNSET, DBUS_PID_UNSET, NULL);
179 if (creds2 == NULL)
180 _dbus_assert_not_reached ("oom");
181
182 _dbus_assert (!_dbus_credentials_same_user (creds, creds2));
183 _dbus_assert (_dbus_credentials_are_superset (creds, creds2));
184
185 _dbus_credentials_unref (creds2);
186
187 /* Clearing credentials works */
188 _dbus_credentials_clear (creds);
189
190 _dbus_assert (!_dbus_credentials_include (creds, DBUS_CREDENTIAL_UNIX_USER_ID));
191 _dbus_assert (!_dbus_credentials_include (creds, DBUS_CREDENTIAL_UNIX_PROCESS_ID));
192 _dbus_assert (!_dbus_credentials_include (creds, DBUS_CREDENTIAL_WINDOWS_SID));
193
194 _dbus_assert (_dbus_credentials_get_unix_uid (creds) == DBUS_UID_UNSET);
195 _dbus_assert (_dbus_credentials_get_pid (creds) == DBUS_PID_UNSET);
196 _dbus_assert (_dbus_credentials_get_windows_sid (creds) == NULL);
197
198 _dbus_assert (_dbus_credentials_are_empty (creds));
199 _dbus_assert (_dbus_credentials_are_anonymous (creds));
200
201 _dbus_credentials_unref (creds);
202
203 return TRUE;
204 }
205
206 #endif /* DBUS_ENABLE_EMBEDDED_TESTS */
_dbus_credentials_get_unix_uid
dbus_uid_t _dbus_credentials_get_unix_uid(DBusCredentials *credentials)
Gets the UNIX user ID in the credentials, or DBUS_UID_UNSET if the credentials object doesn't contain...
Definition: dbus-credentials.c:268
NULL
#define NULL
A null pointer, defined appropriately for C or C++.
DBusCredentials
Definition: dbus-credentials.c:48
_dbus_credentials_include
dbus_bool_t _dbus_credentials_include(DBusCredentials *credentials, DBusCredentialType type)
Checks whether the given credential is present.
Definition: dbus-credentials.c:228
_dbus_credentials_copy
DBusCredentials * _dbus_credentials_copy(DBusCredentials *credentials)
Copy a credentials object.
Definition: dbus-credentials.c:464
_dbus_credentials_are_superset
dbus_bool_t _dbus_credentials_are_superset(DBusCredentials *credentials, DBusCredentials *possible_subset)
Checks whether the first credentials object contains all the credentials found in the second credenti...
Definition: dbus-credentials.c:321
_dbus_assert
#define _dbus_assert(condition)
Aborts with an error message if the condition is false.
Definition: dbus-internals.h:135
_dbus_credentials_add_windows_sid
dbus_bool_t _dbus_credentials_add_windows_sid(DBusCredentials *credentials, const char *windows_sid)
Add a Windows user SID to the credentials.
Definition: dbus-credentials.c:180
DBUS_PID_UNSET
#define DBUS_PID_UNSET
an invalid PID used to represent an uninitialized dbus_pid_t field
Definition: dbus-sysdeps.h:103
_dbus_credentials_clear
void _dbus_credentials_clear(DBusCredentials *credentials)
Clear all credentials in the object.
Definition: dbus-credentials.c:446
DBUS_UID_UNSET
#define DBUS_UID_UNSET
an invalid UID used to represent an uninitialized dbus_uid_t field
Definition: dbus-sysdeps.h:105
dbus_pid_t
unsigned long dbus_pid_t
A process ID.
Definition: dbus-sysdeps.h:96
_dbus_credentials_are_anonymous
dbus_bool_t _dbus_credentials_are_anonymous(DBusCredentials *credentials)
Checks whether a credentials object contains a user identity.
Definition: dbus-credentials.c:361
dbus_bool_t
dbus_uint32_t dbus_bool_t
A boolean, valid values are TRUE and FALSE.
Definition: dbus-types.h:35
_dbus_credentials_ref
void _dbus_credentials_ref(DBusCredentials *credentials)
Increment refcount on credentials.
Definition: dbus-credentials.c:116
TRUE
#define TRUE
Expands to "1".
_dbus_assert_not_reached
#define _dbus_assert_not_reached(explanation)
Aborts with an error message if called.
Definition: dbus-internals.h:145
_dbus_credentials_add_pid
dbus_bool_t _dbus_credentials_add_pid(DBusCredentials *credentials, dbus_pid_t pid)
Add a UNIX process ID to the credentials.
Definition: dbus-credentials.c:149
_dbus_credentials_new
DBusCredentials * _dbus_credentials_new(void)
Creates a new credentials object.
Definition: dbus-credentials.c:70
_dbus_credentials_get_pid
dbus_pid_t _dbus_credentials_get_pid(DBusCredentials *credentials)
Gets the UNIX process ID in the credentials, or DBUS_PID_UNSET if the credentials object doesn't cont...
Definition: dbus-credentials.c:255
_dbus_credentials_unref
void _dbus_credentials_unref(DBusCredentials *credentials)
Decrement refcount on credentials.
Definition: dbus-credentials.c:128
_dbus_credentials_same_user
dbus_bool_t _dbus_credentials_same_user(DBusCredentials *credentials, DBusCredentials *other_credentials)
Check whether the user-identifying credentials in two credentials objects are identical.
Definition: dbus-credentials.c:493
_dbus_credentials_get_windows_sid
const char * _dbus_credentials_get_windows_sid(DBusCredentials *credentials)
Gets the Windows user SID in the credentials, or NULL if the credentials object doesn't contain a Win...
Definition: dbus-credentials.c:281
_dbus_credentials_add_unix_uid
dbus_bool_t _dbus_credentials_add_unix_uid(DBusCredentials *credentials, dbus_uid_t uid)
Add a UNIX user ID to the credentials.
Definition: dbus-credentials.c:164
dbus_uid_t
unsigned long dbus_uid_t
A user ID.
Definition: dbus-sysdeps.h:98
_dbus_credentials_are_empty
dbus_bool_t _dbus_credentials_are_empty(DBusCredentials *credentials)
Checks whether a credentials object contains anything.
Definition: dbus-credentials.c:345