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/*
* idevicedate.c
* Simple utility to get and set the clock on a device
*
* Copyright (c) 2011 Martin Szulecki All Rights Reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#define TOOL_NAME "idevicedate"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <getopt.h>
#include <time.h>
#if HAVE_LANGINFO_CODESET
#include <langinfo.h>
#endif
#ifndef WIN32
#include <signal.h>
#endif
#include <libimobiledevice/libimobiledevice.h>
#include <libimobiledevice/lockdown.h>
#ifdef _DATE_FMT
#define DATE_FMT_LANGINFO nl_langinfo (_DATE_FMT)
#else
#ifdef WIN32
#define DATE_FMT_LANGINFO "%a %b %#d %H:%M:%S %Z %Y"
#else
#define DATE_FMT_LANGINFO "%a %b %e %H:%M:%S %Z %Y"
#endif
#endif
static void print_usage(int argc, char **argv, int is_error)
{
char *name = strrchr(argv[0], '/');
fprintf(is_error ? stderr : stdout, "Usage: %s [OPTIONS]\n", (name ? name + 1: argv[0]));
fprintf(is_error ? stderr : stdout,
"\n"
"Display the current date or set it on a device.\n"
"\n"
"NOTE: Setting the time on iOS 6 and later is only supported\n"
" in the setup wizard screens before device activation.\n"
"\n"
"OPTIONS:\n"
" -u, --udid UDID target specific device by UDID\n"
" -n, --network connect to network device\n"
" -s, --set TIMESTAMP set UTC time described by TIMESTAMP\n"
" -c, --sync set time of device to current system time\n"
" -d, --debug enable communication debugging\n"
" -h, --help prints usage information\n"
" -v, --version prints version information\n"
"\n"
"Homepage: <" PACKAGE_URL ">\n"
"Bug Reports: <" PACKAGE_BUGREPORT ">\n"
);
}
int main(int argc, char *argv[])
{
lockdownd_client_t client = NULL;
lockdownd_error_t ldret = LOCKDOWN_E_UNKNOWN_ERROR;
idevice_t device = NULL;
idevice_error_t ret = IDEVICE_E_UNKNOWN_ERROR;
const char* udid = NULL;
int use_network = 0;
time_t setdate = 0;
plist_t node = NULL;
int node_type = -1;
uint64_t datetime = 0;
time_t rawtime;
struct tm * tmp;
char buffer[80];
int result = 0;
int c = 0;
const struct option longopts[] = {
{ "debug", no_argument, NULL, 'd' },
{ "help", no_argument, NULL, 'h' },
{ "udid", required_argument, NULL, 'u' },
{ "network", no_argument, NULL, 'n' },
{ "version", no_argument, NULL, 'v' },
{ "set", required_argument, NULL, 's' },
{ "sync", no_argument, NULL, 'c' },
{ NULL, 0, NULL, 0}
};
#ifndef WIN32
signal(SIGPIPE, SIG_IGN);
#endif
/* parse cmdline args */
while ((c = getopt_long(argc, argv, "dhu:nvs:c", longopts, NULL)) != -1) {
switch (c) {
case 'd':
idevice_set_debug_level(1);
break;
case 'u':
if (!*optarg) {
fprintf(stderr, "ERROR: UDID argument must not be empty!\n");
print_usage(argc, argv, 1);
return 2;
}
udid = optarg;
break;
case 'n':
use_network = 1;
break;
case 'h':
print_usage(argc, argv, 0);
return 0;
case 'v':
printf("%s %s\n", TOOL_NAME, PACKAGE_VERSION);
return 0;
case 's':
if (!*optarg) {
fprintf(stderr, "ERROR: set argument must not be empty!\n");
print_usage(argc, argv, 1);
return 2;
}
setdate = atoi(optarg);
if (setdate == 0) {
fprintf(stderr, "ERROR: Invalid timestamp value.\n");
print_usage(argc, argv, 1);
return 0;
}
break;
case 'c':
/* get current time */
setdate = time(NULL);
/* convert it to local time which sets timezone/daylight variables */
tmp = localtime(&setdate);
/* recalculate to make it UTC */
setdate = mktime(tmp);
break;
default:
print_usage(argc, argv, 1);
return 2;
}
}
argc -= optind;
argv += optind;
ret = idevice_new_with_options(&device, udid, (use_network) ? IDEVICE_LOOKUP_NETWORK : IDEVICE_LOOKUP_USBMUX);
if (ret != IDEVICE_E_SUCCESS) {
if (udid) {
printf("No device found with udid %s.\n", udid);
} else {
printf("No device found.\n");
}
return -1;
}
if (LOCKDOWN_E_SUCCESS != (ldret = lockdownd_client_new_with_handshake(device, &client, TOOL_NAME))) {
fprintf(stderr, "ERROR: Could not connect to lockdownd, error code %d\n", ldret);
result = -1;
goto cleanup;
}
if(lockdownd_get_value(client, NULL, "TimeIntervalSince1970", &node) != LOCKDOWN_E_SUCCESS) {
fprintf(stderr, "ERROR: Unable to retrieve 'TimeIntervalSince1970' node from device.\n");
result = -1;
goto cleanup;
}
if (node == NULL) {
fprintf(stderr, "ERROR: Empty node for 'TimeIntervalSince1970' received.\n");
result = -1;
goto cleanup;
}
node_type = plist_get_node_type(node);
/* get or set? */
if (setdate == 0) {
/* get time value from device */
switch (node_type) {
case PLIST_UINT:
plist_get_uint_val(node, &datetime);
break;
case PLIST_REAL:
{
double rv = 0;
plist_get_real_val(node, &rv);
datetime = rv;
}
break;
default:
fprintf(stderr, "ERROR: Unexpected node type for 'TimeIntervalSince1970'\n");
break;
}
plist_free(node);
node = NULL;
/* date/time calculations */
rawtime = (time_t)datetime;
tmp = localtime(&rawtime);
/* finally we format and print the current date */
strftime(buffer, 80, DATE_FMT_LANGINFO, tmp);
puts(buffer);
} else {
datetime = setdate;
plist_free(node);
node = NULL;
switch (node_type) {
case PLIST_UINT:
node = plist_new_uint(datetime);
break;
case PLIST_REAL:
node = plist_new_real((double)datetime);
break;
default:
fprintf(stderr, "ERROR: Unexpected node type for 'TimeIntervalSince1970'\n");
break;
}
if(lockdownd_set_value(client, NULL, "TimeIntervalSince1970", node) == LOCKDOWN_E_SUCCESS) {
tmp = localtime(&setdate);
strftime(buffer, 80, DATE_FMT_LANGINFO, tmp);
puts(buffer);
} else {
printf("ERROR: Failed to set date on device.\n");
}
node = NULL;
}
cleanup:
if (client)
lockdownd_client_free(client);
if (device)
idevice_free(device);
return result;
}
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