idevicebackup2: Add passcode hint when enabling/disabling backup encryption or change the password

1 files changed, 48 insertions, 0 deletions

diff --git a/tools/idevicebackup2.c b/tools/idevicebackup2.c
index 1ac5d1a..3a4de67 100644
--- a/tools/idevicebackup2.c
+++ b/tools/idevicebackup2.c
@@ -42,6 +42,7 @@
 #include <libimobiledevice/afc.h>
 #include <libimobiledevice/installation_proxy.h>
 #include <libimobiledevice/sbservices.h>
+#include <libimobiledevice/diagnostics_relay.h>
 #include "common/utils.h"
 
 #include <endianness.h>
@@ -1433,6 +1434,8 @@ static void print_usage(int argc, char **argv)
         printf("Homepage: <" PACKAGE_URL ">\n");
 }
 
+#define DEVICE_VERSION(maj, min, patch) (((maj & 0xFF) << 16) | ((min & 0xFF) << 8) | (patch & 0xFF))
+
 int main(int argc, char *argv[])
 {
         idevice_error_t ret = IDEVICE_E_UNKNOWN_ERROR;
@@ -1757,6 +1760,25 @@ int main(int argc, char *argv[])
                 node_tmp = NULL;
         }
 
+        /* get ProductVersion */
+        char *product_version = NULL;
+        int device_version = 0;
+        node_tmp = NULL;
+        lockdownd_get_value(lockdown, NULL, "ProductVersion", &node_tmp);
+        if (node_tmp) {
+                if (plist_get_node_type(node_tmp) == PLIST_STRING) {
+                        plist_get_string_val(node_tmp, &product_version);
+                }
+                plist_free(node_tmp);
+                node_tmp = NULL;
+        }
+        if (product_version) {
+                int vers[3] = { 0, 0, 0 };
+                if (sscanf(product_version, "%d.%d.%d", &vers[0], &vers[1], &vers[2]) >= 2) {
+                        device_version = DEVICE_VERSION(vers[0], vers[1], vers[2]);
+                }
+        }
+
         /* start notification_proxy */
         np_client_t np = NULL;
         ldret = lockdownd_start_service(lockdown, NP_SERVICE_NAME, &service);
@@ -2108,6 +2130,32 @@ checkpoint:
                         }
                         if (newpw || backup_password) {
                                 mobilebackup2_send_message(mobilebackup2, "ChangePassword", opts);
+                                uint8_t passcode_hint = 0;
+                                if (device_version >= DEVICE_VERSION(13,0,0)) {
+                                        diagnostics_relay_client_t diag = NULL;
+                                        if (diagnostics_relay_client_start_service(device, &diag, "idevicebackup2") == DIAGNOSTICS_RELAY_E_SUCCESS) {
+                                                plist_t dict = NULL;
+                                                plist_t keys = plist_new_array();
+                                                plist_array_append_item(keys, plist_new_string("PasswordConfigured"));
+                                                if (diagnostics_relay_query_mobilegestalt(diag, keys, &dict) == DIAGNOSTICS_RELAY_E_SUCCESS) {
+                                                        plist_t node = plist_access_path(dict, 2, "MobileGestalt", "PasswordConfigured");
+                                                        plist_get_bool_val(node, &passcode_hint);
+                                                }
+                                                plist_free(keys);
+                                                plist_free(dict);
+                                                diagnostics_relay_goodbye(diag);
+                                                diagnostics_relay_client_free(diag);
+                                        }
+                                }
+                                if (passcode_hint) {
+                                        if (cmd_flags & CMD_FLAG_ENCRYPTION_CHANGEPW) {
+                                                PRINT_VERBOSE(1, "Please confirm changing the backup password by entering the passcode on the device.\n");
+                                        } else if (cmd_flags & CMD_FLAG_ENCRYPTION_ENABLE) {
+                                                PRINT_VERBOSE(1, "Please confirm enabling the backup encryption by entering the passcode on the device.\n");
+                                        } else if (cmd_flags & CMD_FLAG_ENCRYPTION_DISABLE) {
+                                                PRINT_VERBOSE(1, "Please confirm disabling the backup encryption by entering the passcode on the device.\n");
+                                        }
+                                }
                                 /*if (cmd_flags & CMD_FLAG_ENCRYPTION_ENABLE) {
                                         int retr = 10;
                                         while ((retr-- >= 0) && !backup_domain_changed) {