-/* -*- mode: C; c-file-style: "gnu" -*- */
+/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
/* dbus-userdb-util.c Would be in dbus-userdb.c, but not used in libdbus
*
* Copyright (C) 2003, 2004, 2005 Red Hat, Inc.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
+#include <config.h>
+#include <unistd.h>
#define DBUS_USERDB_INCLUDES_PRIVATE 1
#include "dbus-userdb.h"
#include "dbus-test.h"
#include "dbus-protocol.h"
#include <string.h>
+#if HAVE_SYSTEMD
+#include <systemd/sd-login.h>
+#endif
+
/**
* @addtogroup DBusInternalsUtils
* @{
DBusUserDatabase *db;
const DBusUserInfo *info;
- dbus_bool_t result = FALSE;
+ dbus_bool_t result = FALSE;
+
+#ifdef HAVE_SYSTEMD
+ /* check if we have logind */
+ if (access ("/run/systemd/seats/", F_OK) >= 0)
+ {
+ int r;
+
+ /* Check whether this user is logged in on at least one physical
+ seat */
+ r = sd_uid_get_seats (uid, 0, NULL);
+ if (r < 0)
+ {
+ dbus_set_error (error, _dbus_error_from_errno (-r),
+ "Failed to determine seats of user \"" DBUS_UID_FORMAT "\": %s",
+ uid,
+ _dbus_strerror (-r));
+ return FALSE;
+ }
+
+ return (r > 0);
+ }
+#endif
#ifdef HAVE_CONSOLE_OWNER_FILE
#endif /* HAVE_CONSOLE_OWNER_FILE */
- _dbus_user_database_lock_system ();
+ if (!_dbus_user_database_lock_system ())
+ {
+ _DBUS_SET_OOM (error);
+ return FALSE;
+ }
db = _dbus_user_database_get_system ();
if (db == NULL)
return FALSE;
}
+ /* TPTD: this should be cache-safe, we've locked the DB and
+ _dbus_user_at_console doesn't pass it on. */
info = _dbus_user_database_lookup (db, uid, NULL, error);
if (info == NULL)
return result;
}
+/**
+ * Gets user ID given username
+ *
+ * @param username the username
+ * @param uid return location for UID
+ * @returns #TRUE if username existed and we got the UID
+ */
+dbus_bool_t
+_dbus_get_user_id (const DBusString *username,
+ dbus_uid_t *uid)
+{
+ return _dbus_get_user_id_and_primary_group (username, uid, NULL);
+}
/**
- * Gets the credentials corresponding to the given UID.
+ * Gets group ID given groupname
*
- * @param uid the UID
- * @param credentials credentials to fill in
- * @returns #TRUE if the UID existed and we got some credentials
+ * @param groupname the groupname
+ * @param gid return location for GID
+ * @returns #TRUE if group name existed and we got the GID
*/
dbus_bool_t
-_dbus_credentials_from_uid (dbus_uid_t uid,
- DBusCredentials *credentials)
+_dbus_get_group_id (const DBusString *groupname,
+ dbus_gid_t *gid)
{
DBusUserDatabase *db;
- const DBusUserInfo *info;
- _dbus_user_database_lock_system ();
+ const DBusGroupInfo *info;
+
+ /* FIXME: this can't distinguish ENOMEM from other errors */
+ if (!_dbus_user_database_lock_system ())
+ return FALSE;
db = _dbus_user_database_get_system ();
if (db == NULL)
return FALSE;
}
- if (!_dbus_user_database_get_uid (db, uid,
- &info, NULL))
+ if (!_dbus_user_database_get_groupname (db, groupname,
+ &info, NULL))
{
_dbus_user_database_unlock_system ();
return FALSE;
}
- _dbus_assert (info->uid == uid);
-
- credentials->pid = DBUS_PID_UNSET;
- credentials->uid = info->uid;
- credentials->gid = info->primary_gid;
+ *gid = info->gid;
_dbus_user_database_unlock_system ();
return TRUE;
}
-
/**
- * Gets user ID given username
+ * Gets user ID and primary group given username
*
* @param username the username
- * @param uid return location for UID
- * @returns #TRUE if username existed and we got the UID
+ * @param uid_p return location for UID
+ * @param gid_p return location for GID
+ * @returns #TRUE if username existed and we got the UID and GID
*/
dbus_bool_t
-_dbus_get_user_id (const DBusString *username,
- dbus_uid_t *uid)
+_dbus_get_user_id_and_primary_group (const DBusString *username,
+ dbus_uid_t *uid_p,
+ dbus_gid_t *gid_p)
{
- DBusCredentials creds;
-
- if (!_dbus_credentials_from_username (username, &creds))
- return FALSE;
+ DBusUserDatabase *db;
+ const DBusUserInfo *info;
- if (creds.uid == DBUS_UID_UNSET)
+ /* FIXME: this can't distinguish ENOMEM from other errors */
+ if (!_dbus_user_database_lock_system ())
return FALSE;
- *uid = creds.uid;
-
- return TRUE;
-}
-
-/**
- * Gets group ID given groupname
- *
- * @param groupname the groupname
- * @param gid return location for GID
- * @returns #TRUE if group name existed and we got the GID
- */
-dbus_bool_t
-_dbus_get_group_id (const DBusString *groupname,
- dbus_gid_t *gid)
-{
- DBusUserDatabase *db;
- const DBusGroupInfo *info;
- _dbus_user_database_lock_system ();
-
db = _dbus_user_database_get_system ();
if (db == NULL)
{
return FALSE;
}
- if (!_dbus_user_database_get_groupname (db, groupname,
- &info, NULL))
+ if (!_dbus_user_database_get_username (db, username,
+ &info, NULL))
{
_dbus_user_database_unlock_system ();
return FALSE;
}
- *gid = info->gid;
+ if (uid_p)
+ *uid_p = info->uid;
+ if (gid_p)
+ *gid_p = info->primary_gid;
_dbus_user_database_unlock_system ();
return TRUE;
gid = n;
}
-
+#ifdef DBUS_ENABLE_USERDB_CACHE
if (gid != DBUS_GID_UNSET)
- info = _dbus_hash_table_lookup_ulong (db->groups, gid);
+ info = _dbus_hash_table_lookup_uintptr (db->groups, gid);
else
info = _dbus_hash_table_lookup_string (db->groups_by_name,
_dbus_string_get_const_data (groupname));
return info;
}
else
+#else
+ if (1)
+#endif
{
if (gid != DBUS_GID_UNSET)
_dbus_verbose ("No cache for GID "DBUS_GID_FORMAT"\n",
gid = DBUS_GID_UNSET;
groupname = NULL;
- if (!_dbus_hash_table_insert_ulong (db->groups, info->gid, info))
+ if (!_dbus_hash_table_insert_uintptr (db->groups, info->gid, info))
{
dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
_dbus_group_info_free_allocated (info);
info->groupname,
info))
{
- _dbus_hash_table_remove_ulong (db->groups, info->gid);
+ _dbus_hash_table_remove_uintptr (db->groups, info->gid);
dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
return NULL;
}
/**
- * Gets all groups for a particular user. Returns #FALSE
+ * Gets all groups corresponding to the given UID. Returns #FALSE
* if no memory, or user isn't known, but always initializes
- * group_ids to a NULL array. Sets error to the reason
- * for returning #FALSE.
+ * group_ids to a NULL array.
*
- * @param db the user database object
- * @param uid the user ID
+ * @param uid the UID
* @param group_ids return location for array of group IDs
* @param n_group_ids return location for length of returned array
- * @param error return location for error
- * @returns #TRUE on success
+ * @returns #TRUE if the UID existed and we got some credentials
*/
dbus_bool_t
-_dbus_user_database_get_groups (DBusUserDatabase *db,
- dbus_uid_t uid,
- dbus_gid_t **group_ids,
- int *n_group_ids,
- DBusError *error)
+_dbus_groups_from_uid (dbus_uid_t uid,
+ dbus_gid_t **group_ids,
+ int *n_group_ids)
{
- DBusUserInfo *info;
-
- _DBUS_ASSERT_ERROR_IS_CLEAR (error);
-
+ DBusUserDatabase *db;
+ const DBusUserInfo *info;
*group_ids = NULL;
*n_group_ids = 0;
-
- info = _dbus_user_database_lookup (db, uid, NULL, error);
- if (info == NULL)
+
+ /* FIXME: this can't distinguish ENOMEM from other errors */
+ if (!_dbus_user_database_lock_system ())
+ return FALSE;
+
+ db = _dbus_user_database_get_system ();
+ if (db == NULL)
+ {
+ _dbus_user_database_unlock_system ();
+ return FALSE;
+ }
+
+ if (!_dbus_user_database_get_uid (db, uid,
+ &info, NULL))
{
- _DBUS_ASSERT_ERROR_IS_SET (error);
+ _dbus_user_database_unlock_system ();
return FALSE;
}
+ _dbus_assert (info->uid == uid);
+
if (info->n_group_ids > 0)
{
*group_ids = dbus_new (dbus_gid_t, info->n_group_ids);
if (*group_ids == NULL)
{
- dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
+ _dbus_user_database_unlock_system ();
return FALSE;
}
memcpy (*group_ids, info->group_ids, info->n_group_ids * sizeof (dbus_gid_t));
}
+ _dbus_user_database_unlock_system ();
return TRUE;
}
-
/** @} */
-#ifdef DBUS_BUILD_TESTS
+#ifdef DBUS_ENABLE_EMBEDDED_TESTS
#include <stdio.h>
/**
{
const DBusString *username;
const DBusString *homedir;
+ dbus_uid_t uid;
+ unsigned long *group_ids;
+ int n_group_ids, i;
+ DBusError error;
if (!_dbus_username_from_current_process (&username))
_dbus_assert_not_reached ("didn't get username");
if (!_dbus_homedir_from_current_process (&homedir))
_dbus_assert_not_reached ("didn't get homedir");
- printf (" Current user: %s homedir: %s\n",
+ if (!_dbus_get_user_id (username, &uid))
+ _dbus_assert_not_reached ("didn't get uid");
+
+ if (!_dbus_groups_from_uid (uid, &group_ids, &n_group_ids))
+ _dbus_assert_not_reached ("didn't get groups");
+
+ printf (" Current user: %s homedir: %s gids:",
_dbus_string_get_const_data (username),
_dbus_string_get_const_data (homedir));
-
+
+ for (i=0; i<n_group_ids; i++)
+ printf(" %ld", group_ids[i]);
+
+ printf ("\n");
+
+ dbus_error_init (&error);
+ printf ("Is Console user: %i\n",
+ _dbus_is_console_user (uid, &error));
+ printf ("Invocation was OK: %s\n", error.message ? error.message : "yes");
+ dbus_error_free (&error);
+ printf ("Is Console user 4711: %i\n",
+ _dbus_is_console_user (4711, &error));
+ printf ("Invocation was OK: %s\n", error.message ? error.message : "yes");
+ dbus_error_free (&error);
+
+ dbus_free (group_ids);
+
return TRUE;
}
-#endif /* DBUS_BUILD_TESTS */
+#endif /* DBUS_ENABLE_EMBEDDED_TESTS */
projects / platform / upstream / dbus.git / blobdiff