1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
|
/*
* 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
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#if HAVE_LANGINFO_CODESET
#include <langinfo.h>
#endif
#include <libimobiledevice/libimobiledevice.h>
#include <libimobiledevice/lockdown.h>
#ifdef _DATE_FMT
#define DATE_FMT_LANGINFO() nl_langinfo (_DATE_FMT)
#else
#define DATE_FMT_LANGINFO() ""
#endif
static void print_usage(int argc, char **argv)
{
char *name = NULL;
name = strrchr(argv[0], '/');
printf("Usage: %s [OPTIONS]\n", (name ? name + 1: argv[0]));
printf("Display the current date or set it on a device.\n\n");
printf("NOTE: Setting the time on iOS 6 and later is only supported\n");
printf(" in the setup wizard screens before device activation.\n\n");
printf(" -d, --debug\t\tenable communication debugging\n");
printf(" -u, --udid UDID\ttarget specific device by its 40-digit device UDID\n");
printf(" -s, --set TIMESTAMP\tset UTC time described by TIMESTAMP\n");
printf(" -c, --sync\t\tset time of device to current system time\n");
printf(" -h, --help\t\tprints usage information\n");
printf("\n");
printf("Homepage: <http://libimobiledevice.org>\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;
int i;
const char* udid = NULL;
time_t setdate = 0;
plist_t node = NULL;
int node_type = -1;
uint64_t datetime = 0;
time_t rawtime;
struct tm * tmp;
char const *format = NULL;
char buffer[80];
int result = 0;
/* parse cmdline args */
for (i = 1; i < argc; i++) {
if (!strcmp(argv[i], "-d") || !strcmp(argv[i], "--debug")) {
idevice_set_debug_level(1);
continue;
}
else if (!strcmp(argv[i], "-u") || !strcmp(argv[i], "--udid")) {
i++;
if (!argv[i] || (strlen(argv[i]) != 40)) {
print_usage(argc, argv);
return 0;
}
udid = argv[i];
continue;
}
else if (!strcmp(argv[i], "-s") || !strcmp(argv[i], "--set")) {
i++;
if (!argv[i] || (strlen(argv[i]) <= 1)) {
print_usage(argc, argv);
return 0;
}
setdate = atoi(argv[i]);
if (setdate == 0) {
printf("ERROR: Invalid timestamp value.\n");
print_usage(argc, argv);
return 0;
}
continue;
}
else if (!strcmp(argv[i], "-c") || !strcmp(argv[i], "--sync")) {
i++;
/* 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);
continue;
}
else if (!strcmp(argv[i], "-h") || !strcmp(argv[i], "--help")) {
print_usage(argc, argv);
return 0;
}
else {
print_usage(argc, argv);
return 0;
}
}
/* determine a date format */
if (!format) {
format = DATE_FMT_LANGINFO ();
if (!*format) {
format = "%a %b %e %H:%M:%S %Z %Y";
}
}
ret = idevice_new(&device, udid);
if (ret != IDEVICE_E_SUCCESS) {
if (udid) {
printf("No device found with udid %s, is it plugged in?\n", udid);
} else {
printf("No device found, is it plugged in?\n");
}
return -1;
}
if (LOCKDOWN_E_SUCCESS != (ldret = lockdownd_client_new_with_handshake(device, &client, "idevicedate"))) {
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, format, 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, format, 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;
}
|
