diff options
Diffstat (limited to 'src/3rd_party/dbus-1.7.8/dbus/dbus-userdb-util.c')
| -rw-r--r-- | src/3rd_party/dbus-1.7.8/dbus/dbus-userdb-util.c | 489 |
1 files changed, 0 insertions, 489 deletions
diff --git a/src/3rd_party/dbus-1.7.8/dbus/dbus-userdb-util.c b/src/3rd_party/dbus-1.7.8/dbus/dbus-userdb-util.c deleted file mode 100644 index 888a23e9f5..0000000000 --- a/src/3rd_party/dbus-1.7.8/dbus/dbus-userdb-util.c +++ /dev/null @@ -1,489 +0,0 @@ -/* -*- 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. - * - * Licensed under the Academic Free License version 2.1 - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * 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., 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-internals.h" -#include "dbus-protocol.h" -#include <string.h> - -#if HAVE_SYSTEMD -#include <systemd/sd-login.h> -#endif - -/** - * @addtogroup DBusInternalsUtils - * @{ - */ - -/** - * Checks to see if the UID sent in is the console user - * - * @param uid UID of person to check - * @param error return location for errors - * @returns #TRUE if the UID is the same as the console user and there are no errors - */ -dbus_bool_t -_dbus_is_console_user (dbus_uid_t uid, - DBusError *error) -{ - - DBusUserDatabase *db; - const DBusUserInfo *info; - 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 - - DBusString f; - DBusStat st; - - if (!_dbus_string_init (&f)) - { - _DBUS_SET_OOM (error); - return FALSE; - } - - if (!_dbus_string_append(&f, DBUS_CONSOLE_OWNER_FILE)) - { - _dbus_string_free(&f); - _DBUS_SET_OOM (error); - return FALSE; - } - - if (_dbus_stat(&f, &st, NULL) && (st.uid == uid)) - { - _dbus_string_free(&f); - return TRUE; - } - - _dbus_string_free(&f); - -#endif /* HAVE_CONSOLE_OWNER_FILE */ - - if (!_dbus_user_database_lock_system ()) - { - _DBUS_SET_OOM (error); - return FALSE; - } - - db = _dbus_user_database_get_system (); - if (db == NULL) - { - dbus_set_error (error, DBUS_ERROR_FAILED, "Could not get system database."); - _dbus_user_database_unlock_system (); - 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) - { - _dbus_user_database_unlock_system (); - return FALSE; - } - - result = _dbus_user_at_console (info->username, error); - - _dbus_user_database_unlock_system (); - - 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 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; - - /* 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_groupname (db, groupname, - &info, NULL)) - { - _dbus_user_database_unlock_system (); - return FALSE; - } - - *gid = info->gid; - - _dbus_user_database_unlock_system (); - return TRUE; -} - -/** - * Gets user ID and primary group given username - * - * @param username the username - * @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_and_primary_group (const DBusString *username, - dbus_uid_t *uid_p, - dbus_gid_t *gid_p) -{ - DBusUserDatabase *db; - const DBusUserInfo *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) - { - _dbus_user_database_unlock_system (); - return FALSE; - } - - if (!_dbus_user_database_get_username (db, username, - &info, NULL)) - { - _dbus_user_database_unlock_system (); - return FALSE; - } - - if (uid_p) - *uid_p = info->uid; - if (gid_p) - *gid_p = info->primary_gid; - - _dbus_user_database_unlock_system (); - return TRUE; -} - -/** - * Looks up a gid or group name in the user database. Only one of - * name or GID can be provided. There are wrapper functions for this - * that are better to use, this one does no locking or anything on the - * database and otherwise sort of sucks. - * - * @param db the database - * @param gid the group ID or #DBUS_GID_UNSET - * @param groupname group name or #NULL - * @param error error to fill in - * @returns the entry in the database - */ -DBusGroupInfo* -_dbus_user_database_lookup_group (DBusUserDatabase *db, - dbus_gid_t gid, - const DBusString *groupname, - DBusError *error) -{ - DBusGroupInfo *info; - - _DBUS_ASSERT_ERROR_IS_CLEAR (error); - - /* See if the group is really a number */ - if (gid == DBUS_UID_UNSET) - { - unsigned long n; - - if (_dbus_is_a_number (groupname, &n)) - gid = n; - } - - if (gid != DBUS_GID_UNSET) - 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)); - if (info) - { - _dbus_verbose ("Using cache for GID "DBUS_GID_FORMAT" information\n", - info->gid); - return info; - } - else - { - if (gid != DBUS_GID_UNSET) - _dbus_verbose ("No cache for GID "DBUS_GID_FORMAT"\n", - gid); - else - _dbus_verbose ("No cache for groupname \"%s\"\n", - _dbus_string_get_const_data (groupname)); - - info = dbus_new0 (DBusGroupInfo, 1); - if (info == NULL) - { - dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL); - return NULL; - } - - if (gid != DBUS_GID_UNSET) - { - if (!_dbus_group_info_fill_gid (info, gid, error)) - { - _DBUS_ASSERT_ERROR_IS_SET (error); - _dbus_group_info_free_allocated (info); - return NULL; - } - } - else - { - if (!_dbus_group_info_fill (info, groupname, error)) - { - _DBUS_ASSERT_ERROR_IS_SET (error); - _dbus_group_info_free_allocated (info); - return NULL; - } - } - - /* don't use these past here */ - gid = DBUS_GID_UNSET; - groupname = NULL; - - 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); - return NULL; - } - - - if (!_dbus_hash_table_insert_string (db->groups_by_name, - info->groupname, - info)) - { - _dbus_hash_table_remove_uintptr (db->groups, info->gid); - dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL); - return NULL; - } - - return info; - } -} - - -/** - * Gets the user information for the given group name, - * returned group info should not be freed. - * - * @param db user database - * @param groupname the group name - * @param info return location for const ref to group info - * @param error error location - * @returns #FALSE if error is set - */ -dbus_bool_t -_dbus_user_database_get_groupname (DBusUserDatabase *db, - const DBusString *groupname, - const DBusGroupInfo **info, - DBusError *error) -{ - *info = _dbus_user_database_lookup_group (db, DBUS_GID_UNSET, groupname, error); - return *info != NULL; -} - -/** - * Gets the user information for the given GID, - * returned group info should not be freed. - * - * @param db user database - * @param gid the group ID - * @param info return location for const ref to group info - * @param error error location - * @returns #FALSE if error is set - */ -dbus_bool_t -_dbus_user_database_get_gid (DBusUserDatabase *db, - dbus_gid_t gid, - const DBusGroupInfo **info, - DBusError *error) -{ - *info = _dbus_user_database_lookup_group (db, gid, NULL, error); - return *info != NULL; -} - - -/** - * 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. - * - * @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 - * @returns #TRUE if the UID existed and we got some credentials - */ -dbus_bool_t -_dbus_groups_from_uid (dbus_uid_t uid, - dbus_gid_t **group_ids, - int *n_group_ids) -{ - DBusUserDatabase *db; - const DBusUserInfo *info; - *group_ids = NULL; - *n_group_ids = 0; - - /* 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_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_user_database_unlock_system (); - return FALSE; - } - - *n_group_ids = info->n_group_ids; - - memcpy (*group_ids, info->group_ids, info->n_group_ids * sizeof (dbus_gid_t)); - } - - _dbus_user_database_unlock_system (); - return TRUE; -} -/** @} */ - -#ifdef DBUS_ENABLE_EMBEDDED_TESTS -#include <stdio.h> - -/** - * Unit test for dbus-userdb.c. - * - * @returns #TRUE on success. - */ -dbus_bool_t -_dbus_userdb_test (const char *test_data_dir) -{ - 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"); - - 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_ENABLE_EMBEDDED_TESTS */ |