diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/mobilebackup.c | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/src/mobilebackup.c b/src/mobilebackup.c index d71a494..6277d45 100644 --- a/src/mobilebackup.c +++ b/src/mobilebackup.c @@ -30,6 +30,8 @@ #define MBACKUP_VERSION_INT1 100 #define MBACKUP_VERSION_INT2 0 +#define IS_FLAG_SET(x, y) ((x & y) == y) + /** * Convert an device_link_service_error_t value to an mobilebackup_error_t value. * Used internally to get correct error codes when using device_link_service stuff. @@ -353,6 +355,118 @@ mobilebackup_error_t mobilebackup_send_backup_file_received(mobilebackup_client_ } /** + * Request that a backup should be restored to the connected device. + * + * @param client The connected MobileBackup client to use. + * @param backup_manifest The backup manifest, a plist_t of type PLIST_DICT + * containing the backup state to be restored. + * @param flags Flags to send with the request. Currently this is a combination + * of the following mobilebackup_flags_t: + * MB_RESTORE_NOTIFY_SPRINGBOARD - let SpringBoard show a 'Restore' screen + * MB_RESTORE_PRESERVE_SETTINGS - do not overwrite any settings + * MB_RESTORE_PRESERVE_CAMERA_ROLL - preserve the photos of the camera roll + * @param proto_version A string denoting the version of the backup protocol + * to use. Latest known version is "1.6". Ideally this value should be + * extracted from the given manifest plist. + * + * @return MOBILEBACKUP_E_SUCCESS on success, MOBILEBACKUP_E_INVALID_ARG if + * one of the parameters is invalid, MOBILEBACKUP_E_PLIST_ERROR if + * backup_manifest is not of type PLIST_DICT, MOBILEBACKUP_E_MUX_ERROR + * if a communication error occurs, or MOBILEBACKUP_E_REPLY_NOT_OK + * if the device did not accept the request. + */ +mobilebackup_error_t mobilebackup_request_restore(mobilebackup_client_t client, plist_t backup_manifest, mobilebackup_flags_t flags, const char *proto_version) +{ + if (!client || !client->parent || !backup_manifest || !proto_version) + return MOBILEBACKUP_E_INVALID_ARG; + + if (backup_manifest && (plist_get_node_type(backup_manifest) != PLIST_DICT)) + return MOBILEBACKUP_E_PLIST_ERROR; + + mobilebackup_error_t err; + + /* construct request plist */ + plist_t dict = plist_new_dict(); + plist_dict_insert_item(dict, "BackupManifestKey", plist_copy(backup_manifest)); + plist_dict_insert_item(dict, "BackupMessageTypeKey", plist_new_string("BackupMessageRestoreRequest")); + plist_dict_insert_item(dict, "BackupProtocolVersion", plist_new_string(proto_version)); + /* add flags */ + plist_dict_insert_item(dict, "BackupNotifySpringBoard", plist_new_bool(IS_FLAG_SET(flags, MB_RESTORE_NOTIFY_SPRINGBOARD))); + plist_dict_insert_item(dict, "BackupPreserveSettings", plist_new_bool(IS_FLAG_SET(flags, MB_RESTORE_PRESERVE_SETTINGS))); + plist_dict_insert_item(dict, "BackupPreserveCameraRoll", plist_new_bool(IS_FLAG_SET(flags, MB_RESTORE_PRESERVE_CAMERA_ROLL))); + + /* send request */ + err = mobilebackup_send_message(client, NULL, dict); + plist_free(dict); + dict = NULL; + if (err != MOBILEBACKUP_E_SUCCESS) { + debug_info("ERROR: Could not send restore request message (%d)!", err); + goto leave; + } + + /* now receive and hopefully get a BackupMessageRestoreReplyOK */ + err = mobilebackup_receive_message(client, "BackupMessageRestoreReplyOK", &dict); + if (err != MOBILEBACKUP_E_SUCCESS) { + debug_info("ERROR: Could not receive RestoreReplyOK message (%d)!", err); + goto leave; + } + + plist_t node = plist_dict_get_item(dict, "BackupProtocolVersion"); + if (node) { + char *str = NULL; + plist_get_string_val(node, &str); + if (str) { + if (strcmp(str, proto_version) != 0) { + err = MOBILEBACKUP_E_BAD_VERSION; + } + free(str); + } + } + +leave: + if (dict) + plist_free(dict); + return err; +} + +/** + * Receive a confirmation from the device that it successfully received + * a restore file. + * + * @param client The connected MobileBackup client to use. + * @param result Pointer to a plist_t that will be set to the received plist + * for further processing. The caller has to free it using plist_free(). + * Note that it will be set to NULL if the operation itself fails due to + * a communication or plist error. + * If this parameter is NULL, it will be ignored. + * + * @return MOBILEBACKUP_E_SUCCESS on success, MOBILEBACKUP_E_INVALID_ARG if + * client is invalid, MOBILEBACKUP_E_REPLY_NOT_OK if the expected + * 'BackupMessageRestoreFileReceived' message could not be received, + * MOBILEBACKUP_E_PLIST_ERROR if the received message is not a valid backup + * message plist, or MOBILEBACKUP_E_MUX_ERROR if a communication error + * occurs. + */ +mobilebackup_error_t mobilebackup_receive_restore_file_received(mobilebackup_client_t client, plist_t *result) +{ + return mobilebackup_receive_message(client, "BackupMessageRestoreFileReceived", result); +} + +/** + * Tells the device that the restore process is complete. + * + * @param client The connected MobileBackup client to use. + * + * @return MOBILEBACKUP_E_SUCCESS on success, MOBILEBACKUP_E_INVALID_ARG if + * client is invalid, or MOBILEBACKUP_E_MUX_ERROR if a communication error + * occurs. + */ +mobilebackup_error_t mobilebackup_send_restore_complete(mobilebackup_client_t client) +{ + return mobilebackup_send_message(client, "BackupMessageRestoreComplete", NULL); +} + +/** * Sends a backup error message to the device. * * @param client The connected MobileBackup client to use. |