D-Bus  1.12.2
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 <stdio.h>
38 #include <string.h>
39 
40 static DBusCredentials*
41 make_credentials(dbus_uid_t unix_uid,
42  dbus_pid_t pid,
43  const char *windows_sid)
44 {
45  DBusCredentials *credentials;
46 
47  credentials = _dbus_credentials_new ();
48 
49  if (unix_uid != DBUS_UID_UNSET)
50  {
51  if (!_dbus_credentials_add_unix_uid (credentials, unix_uid))
52  {
53  _dbus_credentials_unref (credentials);
54  return NULL;
55  }
56  }
57 
58  if (pid != DBUS_PID_UNSET)
59  {
60  if (!_dbus_credentials_add_pid (credentials, pid))
61  {
62  _dbus_credentials_unref (credentials);
63  return NULL;
64  }
65  }
66 
67  if (windows_sid != NULL)
68  {
69  if (!_dbus_credentials_add_windows_sid (credentials, windows_sid))
70  {
71  _dbus_credentials_unref (credentials);
72  return NULL;
73  }
74  }
75 
76  return credentials;
77 }
78 
79 #define SAMPLE_SID "whatever a windows sid looks like"
80 #define OTHER_SAMPLE_SID "whatever else"
81 
83 _dbus_credentials_test (const char *test_data_dir)
84 {
85  DBusCredentials *creds;
86  DBusCredentials *creds2;
87 
88  if (test_data_dir == NULL)
89  return TRUE;
90 
91  creds = make_credentials (12, 511, SAMPLE_SID);
92  if (creds == NULL)
94 
95  /* test refcounting */
96  _dbus_credentials_ref (creds);
98 
99  _dbus_assert (_dbus_credentials_include (creds, DBUS_CREDENTIAL_UNIX_USER_ID));
100  _dbus_assert (_dbus_credentials_include (creds, DBUS_CREDENTIAL_UNIX_PROCESS_ID));
101  _dbus_assert (_dbus_credentials_include (creds, DBUS_CREDENTIAL_WINDOWS_SID));
102 
104  _dbus_assert (_dbus_credentials_get_pid (creds) == 511);
105  _dbus_assert (strcmp (_dbus_credentials_get_windows_sid (creds), SAMPLE_SID) == 0);
106 
109 
110  /* Test copy */
111  creds2 = _dbus_credentials_copy (creds);
112  if (creds2 == NULL)
113  _dbus_assert_not_reached ("oom");
114 
115  _dbus_assert (_dbus_credentials_include (creds2, DBUS_CREDENTIAL_UNIX_USER_ID));
116  _dbus_assert (_dbus_credentials_include (creds2, DBUS_CREDENTIAL_UNIX_PROCESS_ID));
117  _dbus_assert (_dbus_credentials_include (creds2, DBUS_CREDENTIAL_WINDOWS_SID));
118 
120  _dbus_assert (_dbus_credentials_get_pid (creds2) == 511);
121  _dbus_assert (strcmp (_dbus_credentials_get_windows_sid (creds2), SAMPLE_SID) == 0);
122 
124 
125  _dbus_credentials_unref (creds2);
126 
127  /* Same user if both unix and windows are the same */
128  creds2 = make_credentials (12, DBUS_PID_UNSET, SAMPLE_SID);
129  if (creds2 == NULL)
130  _dbus_assert_not_reached ("oom");
131 
132  _dbus_assert (_dbus_credentials_same_user (creds, creds2));
133 
134  _dbus_credentials_unref (creds2);
135 
136  /* Not the same user if Windows is missing */
137  creds2 = make_credentials (12, DBUS_PID_UNSET, NULL);
138  if (creds2 == NULL)
139  _dbus_assert_not_reached ("oom");
140 
141  _dbus_assert (!_dbus_credentials_same_user (creds, creds2));
143 
144  _dbus_credentials_unref (creds2);
145 
146  /* Not the same user if Windows is different */
147  creds2 = make_credentials (12, DBUS_PID_UNSET, OTHER_SAMPLE_SID);
148  if (creds2 == NULL)
149  _dbus_assert_not_reached ("oom");
150 
151  _dbus_assert (!_dbus_credentials_same_user (creds, creds2));
152  _dbus_assert (!_dbus_credentials_are_superset (creds, creds2));
153 
154  _dbus_credentials_unref (creds2);
155 
156  /* Not the same user if Unix is missing */
157  creds2 = make_credentials (DBUS_UID_UNSET, DBUS_PID_UNSET, SAMPLE_SID);
158  if (creds2 == NULL)
159  _dbus_assert_not_reached ("oom");
160 
161  _dbus_assert (!_dbus_credentials_same_user (creds, creds2));
163 
164  _dbus_credentials_unref (creds2);
165 
166  /* Not the same user if Unix is different */
167  creds2 = make_credentials (15, DBUS_PID_UNSET, SAMPLE_SID);
168  if (creds2 == NULL)
169  _dbus_assert_not_reached ("oom");
170 
171  _dbus_assert (!_dbus_credentials_same_user (creds, creds2));
172  _dbus_assert (!_dbus_credentials_are_superset (creds, creds2));
173 
174  _dbus_credentials_unref (creds2);
175 
176  /* Not the same user if both are missing */
177  creds2 = make_credentials (DBUS_UID_UNSET, DBUS_PID_UNSET, NULL);
178  if (creds2 == NULL)
179  _dbus_assert_not_reached ("oom");
180 
181  _dbus_assert (!_dbus_credentials_same_user (creds, creds2));
183 
184  _dbus_credentials_unref (creds2);
185 
186  /* Clearing credentials works */
187  _dbus_credentials_clear (creds);
188 
189  _dbus_assert (!_dbus_credentials_include (creds, DBUS_CREDENTIAL_UNIX_USER_ID));
190  _dbus_assert (!_dbus_credentials_include (creds, DBUS_CREDENTIAL_UNIX_PROCESS_ID));
191  _dbus_assert (!_dbus_credentials_include (creds, DBUS_CREDENTIAL_WINDOWS_SID));
192 
196 
199 
200  _dbus_credentials_unref (creds);
201 
202  return TRUE;
203 }
204 
205 #endif /* DBUS_ENABLE_EMBEDDED_TESTS */
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&#39;t contain...
#define NULL
A null pointer, defined appropriately for C or C++.
dbus_bool_t _dbus_credentials_include(DBusCredentials *credentials, DBusCredentialType type)
Checks whether the given credential is present.
DBusCredentials * _dbus_credentials_copy(DBusCredentials *credentials)
Copy a credentials object.
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...
#define _dbus_assert(condition)
Aborts with an error message if the condition is false.
dbus_bool_t _dbus_credentials_add_windows_sid(DBusCredentials *credentials, const char *windows_sid)
Add a Windows user SID to the credentials.
#define DBUS_PID_UNSET
an invalid PID used to represent an uninitialized dbus_pid_t field
Definition: dbus-sysdeps.h:113
void _dbus_credentials_clear(DBusCredentials *credentials)
Clear all credentials in the object.
#define DBUS_UID_UNSET
an invalid UID used to represent an uninitialized dbus_uid_t field
Definition: dbus-sysdeps.h:115
unsigned long dbus_pid_t
A process ID.
Definition: dbus-sysdeps.h:106
dbus_bool_t _dbus_credentials_are_anonymous(DBusCredentials *credentials)
Checks whether a credentials object contains a user identity.
dbus_uint32_t dbus_bool_t
A boolean, valid values are TRUE and FALSE.
Definition: dbus-types.h:35
void _dbus_credentials_ref(DBusCredentials *credentials)
Increment refcount on credentials.
#define TRUE
Expands to "1".
#define _dbus_assert_not_reached(explanation)
Aborts with an error message if called.
dbus_bool_t _dbus_credentials_add_pid(DBusCredentials *credentials, dbus_pid_t pid)
Add a UNIX process ID to the credentials.
DBusCredentials * _dbus_credentials_new(void)
Creates a new credentials object.
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&#39;t cont...
void _dbus_credentials_unref(DBusCredentials *credentials)
Decrement refcount on credentials.
dbus_bool_t _dbus_credentials_same_user(DBusCredentials *credentials, DBusCredentials *other_credentials)
Check whether the user-identifying credentials in two credentials objects are identical.
const char * _dbus_credentials_get_windows_sid(DBusCredentials *credentials)
Gets the Windows user SID in the credentials, or NULL if the credentials object doesn&#39;t contain a Win...
dbus_bool_t _dbus_credentials_add_unix_uid(DBusCredentials *credentials, dbus_uid_t uid)
Add a UNIX user ID to the credentials.
unsigned long dbus_uid_t
A user ID.
Definition: dbus-sysdeps.h:108
dbus_bool_t _dbus_credentials_are_empty(DBusCredentials *credentials)
Checks whether a credentials object contains anything.