1/*
2 * Copyright (c) 2013 Apple Inc. All rights reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. Please obtain a copy of the License at
10 * http://www.opensource.apple.com/apsl/ and read it before using this
11 * file.
12 *
13 * The Original Code and all software distributed under the License are
14 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18 * Please see the License for the specific language governing rights and
19 * limitations under the License.
20 *
21 * @APPLE_LICENSE_HEADER_END@
22 */
23
24#include <TargetConditionals.h>
25#include <xpc/xpc.h>
26#include <errno.h>
27
28#include "tzlink.h"
29#include "tzlink_internal.h"
30
31errno_t
32tzlink(const char *tz)
33{
34#if TARGET_OS_IPHONE && !TARGET_IPHONE_SIMULATOR
35	xpc_connection_t connection;
36	xpc_object_t request, reply;
37	errno_t e;
38
39	if (tz == NULL) {
40		return EINVAL;
41	}
42
43	connection = xpc_connection_create_mach_service(TZLINK_SERVICE_NAME, NULL, XPC_CONNECTION_MACH_SERVICE_PRIVILEGED);
44	xpc_connection_set_event_handler(connection, ^(__unused xpc_object_t event) {
45	});
46	xpc_connection_resume(connection);
47
48	request = xpc_dictionary_create(NULL, NULL, 0);
49	xpc_dictionary_set_string(request, TZLINK_KEY_REQUEST_TIMEZONE, tz);
50
51	reply = xpc_connection_send_message_with_reply_sync(connection, request);
52	if (xpc_get_type(reply) == XPC_TYPE_DICTIONARY) {
53		e = (errno_t)xpc_dictionary_get_uint64(reply, TZLINK_KEY_REPLY_ERROR);
54	} else {
55		e = EIO;
56	}
57
58	xpc_release(reply);
59	xpc_release(request);
60	xpc_release(connection);
61
62	return e;
63#else /* !TARGET_OS_IPHONE */
64#pragma unused (tz)
65	return ENOTSUP;
66#endif /* TARGET_OS_IPHONE */
67}
68