/* * 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 #endif #define TOOL_NAME "idevicedate" #include #include #include #include #if HAVE_LANGINFO_CODESET #include #endif #ifndef WIN32 #include #endif #include #include #ifdef _DATE_FMT #define DATE_FMT_LANGINFO nl_langinfo (_DATE_FMT) #else #define DATE_FMT_LANGINFO "%a %b %e %H:%M:%S %Z %Y" #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("\n"); printf("Display the current date or set it on a device.\n"); printf("\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"); printf("\n"); printf("OPTIONS:\n"); printf(" -u, --udid UDID\ttarget specific device by UDID\n"); printf(" -n, --network\t\tconnect to network device\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(" -d, --debug\t\tenable communication debugging\n"); printf(" -h, --help\t\tprints usage information\n"); printf(" -v, --version\t\tprints version information\n"); printf("\n"); printf("Homepage: <" PACKAGE_URL ">\n"); printf("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; int i; 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; #ifndef WIN32 signal(SIGPIPE, SIG_IGN); #endif /* 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] || !*argv[i]) { print_usage(argc, argv); return 0; } udid = argv[i]; continue; } else if (!strcmp(argv[i], "-n") || !strcmp(argv[i], "--network")) { use_network = 1; 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 if (!strcmp(argv[i], "-v") || !strcmp(argv[i], "--version")) { printf("%s %s\n", TOOL_NAME, PACKAGE_VERSION); return 0; } else { print_usage(argc, argv); return 0; } } 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; }