diff options
Diffstat (limited to 'dbus/dbus-sysdeps-util-unix.c')
-rw-r--r-- | dbus/dbus-sysdeps-util-unix.c | 37 |
1 files changed, 32 insertions, 5 deletions
diff --git a/dbus/dbus-sysdeps-util-unix.c b/dbus/dbus-sysdeps-util-unix.c index 5ffc90d9..9963432b 100644 --- a/dbus/dbus-sysdeps-util-unix.c +++ b/dbus/dbus-sysdeps-util-unix.c @@ -243,20 +243,47 @@ _dbus_write_pid_file (const DBusString *filename, return TRUE; } +/** + * Verify that after the fork we can successfully change to this user. + * + * @param user the username given in the daemon configuration + * @returns #TRUE if username is valid + */ +dbus_bool_t +_dbus_verify_daemon_user (const char *user) +{ + DBusString u; + + _dbus_string_init_const (&u, user); + + return _dbus_get_user_id_and_primary_group (&u, NULL, NULL); +} /** * Changes the user and group the bus is running as. * - * @param uid the new user ID - * @param gid the new group ID + * @param user the user to become * @param error return location for errors * @returns #FALSE on failure */ dbus_bool_t -_dbus_change_identity (dbus_uid_t uid, - dbus_gid_t gid, - DBusError *error) +_dbus_change_to_daemon_user (const char *user, + DBusError *error) { + dbus_uid_t uid; + dbus_gid_t gid; + DBusString u; + + _dbus_string_init_const (&u, user); + + if (!_dbus_get_user_id_and_primary_group (&u, &uid, &gid)) + { + dbus_set_error (error, DBUS_ERROR_FAILED, + "User '%s' does not appear to exist?", + user); + return FALSE; + } + /* setgroups() only works if we are a privileged process, * so we don't return error on failure; the only possible * failure is that we don't have perms to do it. |