idevicebackup2: Write /iTunesRestore/RestoreApplications.plist on restore

This will trigger re-installation of apps that were installed when the backup
was created once the device finishes the restore and rebooted.

1 files changed, 62 insertions, 3 deletions

diff --git a/tools/idevicebackup2.c b/tools/idevicebackup2.c
index f7ea53a..e10846d 100644
--- a/tools/idevicebackup2.c
+++ b/tools/idevicebackup2.c
@@ -1393,6 +1393,10 @@ int main(int argc, char *argv[])
         plist_t info_plist = NULL;
         plist_t opts = NULL;
         mobilebackup2_error_t err;
+        uint64_t restore_applications_file = 0;
+        plist_t applications_plist = NULL;
+        char * applications_plist_xml = NULL;
+        uint32_t applications_plist_xml_length = 0;
 
         /* we need to exit cleanly on running backups and restores or we cause havok */
         signal(SIGINT, clean_exit);
@@ -1709,7 +1713,7 @@ int main(int argc, char *argv[])
         }
 
         afc_client_t afc = NULL;
-        if (cmd == CMD_BACKUP) {
+        if (cmd == CMD_BACKUP || cmd == CMD_RESTORE) {
                 /* start AFC, we need this for the lock file */
                 service->port = 0;
                 service->ssl_enabled = 0;
@@ -1776,7 +1780,7 @@ int main(int argc, char *argv[])
                 }
 
                 uint64_t lockfile = 0;
-                if (cmd == CMD_BACKUP) {
+                if (cmd == CMD_BACKUP || cmd == CMD_RESTORE) {
                         do_post_notification(device, NP_SYNC_WILL_START);
                         afc_file_open(afc, "/com.apple.itunes.lock_sync", AFC_FOPEN_RW, &lockfile);
                 }
@@ -1923,6 +1927,51 @@ checkpoint:
                         }
                         PRINT_VERBOSE(1, "Backup password: %s\n", (backup_password == NULL ? "No":"Yes"));
 
+                        /* Write /iTunesRestore/RestoreApplications.plist so that the device will start
+                        * restoring applications once the rest of the restore process is finished */
+                        applications_plist = plist_dict_get_item(info_plist, "Applications");
+                        if (applications_plist) {
+                                plist_to_xml(applications_plist, &applications_plist_xml, &applications_plist_xml_length);
+                                plist_free(applications_plist);
+                        }
+                        if (!applications_plist_xml) {
+                                printf("Error preparing RestoreApplications.plist\n");
+                                cmd = CMD_LEAVE;
+                                break;
+                        }
+
+                        afc_error_t afc_err = 0;
+                        afc_err = afc_make_directory(afc, "/iTunesRestore");
+                        if (afc_err != AFC_E_SUCCESS) {
+                                printf("Error creating directory /iTunesRestore, error code %d\n", afc_err);
+                                cmd = CMD_LEAVE;
+                                break;
+                        }
+
+                        afc_err = afc_file_open(afc, "/iTunesRestore/RestoreApplications.plist", AFC_FOPEN_WR, &restore_applications_file);
+                        if (afc_err != AFC_E_SUCCESS  || !restore_applications_file) {
+                                printf("Error creating /iTunesRestore/RestoreApplications.plist, error code %d\n", afc_err);
+                                cmd = CMD_LEAVE;
+                                break;
+                        }
+
+                        uint32_t bytes_written = 0;
+                        afc_err = afc_file_write(afc, restore_applications_file, applications_plist_xml, applications_plist_xml_length, &bytes_written);
+                        if (afc_err != AFC_E_SUCCESS  || bytes_written != applications_plist_xml_length) {
+                                printf("Error writing /iTunesRestore/RestoreApplications.plist, error code %d, wrote %u of %u bytes\n", afc_err, bytes_written, applications_plist_xml_length);
+                                cmd = CMD_LEAVE;
+                                break;
+                        }
+
+                        afc_err = afc_file_close(afc, restore_applications_file);
+                        restore_applications_file = 0;
+                        if (afc_err != AFC_E_SUCCESS) {
+                                cmd = CMD_LEAVE;
+                                break;
+                        }
+                        printf("Wrote RestoreApplications.plist\n");
+
+                        /* Start restore */
                         err = mobilebackup2_send_request(mobilebackup2, "Restore", udid, source_udid, opts);
                         plist_free(opts);
                         if (err != MOBILEBACKUP2_E_SUCCESS) {
@@ -2392,7 +2441,7 @@ files_out:
                         afc_file_lock(afc, lockfile, AFC_LOCK_UN);
                         afc_file_close(afc, lockfile);
                         lockfile = 0;
-                        if (cmd == CMD_BACKUP)
+                        if (cmd == CMD_BACKUP || cmd == CMD_RESTORE)
                                 do_post_notification(device, NP_SYNC_DID_FINISH);
                 }
         } else {
@@ -2411,6 +2460,11 @@ files_out:
                 mobilebackup2 = NULL;
         }
 
+        if (restore_applications_file) {
+                afc_file_close(afc, restore_applications_file);
+                restore_applications_file = 0;
+        }
+
         if (afc) {
                 afc_client_free(afc);
                 afc = NULL;
@@ -2421,6 +2475,11 @@ files_out:
                 np = NULL;
         }
 
+        if (applications_plist_xml) {
+                free(applications_plist_xml);
+                applications_plist_xml = NULL;
+        }
+
         idevice_free(device);
         device = NULL;