1 files changed, 169 insertions, 96 deletions

diff --git a/tools/idevicedate.c b/tools/idevicedate.c
index e4e0a33..d05f63e 100644
--- a/tools/idevicedate.c
+++ b/tools/idevicedate.c
@@ -1,6 +1,6 @@
 /*
  * idevicedate.c
- * Simple utility to get and set the clock on an iDevice
+ * Simple utility to get and set the clock on a device
  *
  * Copyright (c) 2011 Martin Szulecki All Rights Reserved.
  *
@@ -8,176 +8,249 @@
  * 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 
+ * 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>
+#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)
+#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() ""
+#define DATE_FMT_LANGINFO "%a %b %e %H:%M:%S %Z %Y"
+#endif
 #endif
 
-static void print_usage(int argc, char **argv)
+static void print_usage(int argc, char **argv, int is_error)
 {
-        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 an iDevice.\n\n");
-        printf("  -d, --debug\t\tenable communication debugging\n");
-        printf("  -u, --uuid UUID\ttarget specific device by its 40-digit device UUID\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");
+        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;
-        idevice_t phone = NULL;
+        lockdownd_error_t ldret = LOCKDOWN_E_UNKNOWN_ERROR;
+        idevice_t device = NULL;
         idevice_error_t ret = IDEVICE_E_UNKNOWN_ERROR;
-        int i;
-        char uuid[41];
+        const char* udid = NULL;
+        int use_network = 0;
         time_t setdate = 0;
         plist_t node = NULL;
-        uuid[0] = 0;
+        int node_type = -1;
         uint64_t datetime = 0;
         time_t rawtime;
         struct tm * tmp;
-        char const *format = NULL;
         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 */
-        for (i = 1; i < argc; i++) {
-                if (!strcmp(argv[i], "-d") || !strcmp(argv[i], "--debug")) {
+        while ((c = getopt_long(argc, argv, "dhu:nvs:c", longopts, NULL)) != -1) {
+                switch (c) {
+                case 'd':
                         idevice_set_debug_level(1);
-                        continue;
-                }
-                else if (!strcmp(argv[i], "-u") || !strcmp(argv[i], "--uuid")) {
-                        i++;
-                        if (!argv[i] || (strlen(argv[i]) != 40)) {
-                                print_usage(argc, argv);
-                                return 0;
+                        break;
+                case 'u':
+                        if (!*optarg) {
+                                fprintf(stderr, "ERROR: UDID argument must not be empty!\n");
+                                print_usage(argc, argv, 1);
+                                return 2;
                         }
-                        strcpy(uuid, 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;
+                        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(argv[i]);
+                        setdate = atoi(optarg);
                         if (setdate == 0) {
-                                printf("ERROR: Invalid timestamp value.\n");
-                                print_usage(argc, argv);
+                                fprintf(stderr, "ERROR: Invalid timestamp value.\n");
+                                print_usage(argc, argv, 1);
                                 return 0;
                         }
-                        continue;
-                }
-                else if (!strcmp(argv[i], "-c") || !strcmp(argv[i], "--sync")) {
-                        i++;
+                        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);
-                        continue;
-                }
-                else if (!strcmp(argv[i], "-h") || !strcmp(argv[i], "--help")) {
-                        print_usage(argc, argv);
-                        return 0;
-                }
-                else {
-                        print_usage(argc, argv);
-                        return 0;
+                        break;
+                default:
+                        print_usage(argc, argv, 1);
+                        return 2;
                 }
         }
+        argc -= optind;
+        argv += optind;
 
-        /* determine a date format */
-        if (!format) {
-                format = DATE_FMT_LANGINFO ();
-                if (!*format) {
-                        format = "%a %b %e %H:%M:%S %Z %Y";
+        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 (uuid[0] != 0) {
-                ret = idevice_new(&phone, uuid);
-                if (ret != IDEVICE_E_SUCCESS) {
-                        printf("No device found with uuid %s, is it plugged in?\n", uuid);
-                        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;
         }
-        else
-        {
-                ret = idevice_new(&phone, NULL);
-                if (ret != IDEVICE_E_SUCCESS) {
-                        printf("No device found, is it plugged in?\n");
-                        return -1;
-                }
+
+        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 (LOCKDOWN_E_SUCCESS != lockdownd_client_new_with_handshake(phone, &client, "idevicedate")) {
-                idevice_free(phone);
-                return -1;
+        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 */
-                if(lockdownd_get_value(client, NULL, "TimeIntervalSince1970", &node) == LOCKDOWN_E_SUCCESS) {
-                        if (node) {
+                switch (node_type) {
+                        case PLIST_UINT:
                                 plist_get_uint_val(node, &datetime);
-                                plist_free(node);
-                                node = NULL;
+                                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);
+                /* 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);
-                        }
-                }
+                /* finally we format and print the current date */
+                strftime(buffer, 80, DATE_FMT_LANGINFO, tmp);
+                puts(buffer);
         } else {
                 datetime = setdate;
 
-                if(lockdownd_set_value(client, NULL, "TimeIntervalSince1970", plist_new_uint(datetime)) == LOCKDOWN_E_SUCCESS) {
+                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);
+                        strftime(buffer, 80, DATE_FMT_LANGINFO, tmp);
                         puts(buffer);
                 } else {
                         printf("ERROR: Failed to set date on device.\n");
                 }
+                node = NULL;
         }
 
-        lockdownd_client_free(client);
-        idevice_free(phone);
+cleanup:
+        if (client)
+                lockdownd_client_free(client);
 
-        return 0;
-}
+        if (device)
+                idevice_free(device);
 
+        return result;
+}