/* * 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 #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 #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; }