Add initial mobilebackup2 support and idevicebackup4 tool

6 files changed, 2639 insertions, 1 deletions

diff --git a/include/libimobiledevice/mobilebackup2.h b/include/libimobiledevice/mobilebackup2.h
new file mode 100644
index 0000000..ea49602
--- /dev/null
+++ b/include/libimobiledevice/mobilebackup2.h
@@ -0,0 +1,63 @@
+/**
+ * @file libimobiledevice/mobilebackup2.h
+ * @brief Backup and restore of all device data (mobilebackup2, iOS4+ only)
+ * \internal
+ *
+ * Copyright (c) 2010 Nikias Bassen 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
+ */
+
+#ifndef IMOBILEBACKUP2_H
+#define IMOBILEBACKUP2_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <libimobiledevice/libimobiledevice.h>
+
+/** @name Error Codes */
+/*@{*/
+#define MOBILEBACKUP2_E_SUCCESS                0
+#define MOBILEBACKUP2_E_INVALID_ARG           -1
+#define MOBILEBACKUP2_E_PLIST_ERROR           -2
+#define MOBILEBACKUP2_E_MUX_ERROR             -3
+#define MOBILEBACKUP2_E_BAD_VERSION           -4
+#define MOBILEBACKUP2_E_REPLY_NOT_OK          -5
+
+#define MOBILEBACKUP2_E_UNKNOWN_ERROR       -256
+/*@}*/
+
+/** Represents an error code. */
+typedef int16_t mobilebackup2_error_t;
+
+typedef struct mobilebackup2_client_private mobilebackup2_client_private;
+typedef mobilebackup2_client_private *mobilebackup2_client_t; /**< The client handle. */
+
+mobilebackup2_error_t mobilebackup2_client_new(idevice_t device, uint16_t port, mobilebackup2_client_t * client);
+mobilebackup2_error_t mobilebackup2_client_free(mobilebackup2_client_t client);
+mobilebackup2_error_t mobilebackup2_receive_message(mobilebackup2_client_t client, plist_t *msg_plist, char **dlmessage);
+mobilebackup2_error_t mobilebackup2_send_raw(mobilebackup2_client_t client, const char *data, uint32_t length, uint32_t *bytes);
+mobilebackup2_error_t mobilebackup2_receive_raw(mobilebackup2_client_t client, char *data, uint32_t length, uint32_t *bytes);
+mobilebackup2_error_t mobilebackup2_version_exchange(mobilebackup2_client_t client);
+mobilebackup2_error_t mobilebackup2_request_backup(mobilebackup2_client_t client, const char *uuid);
+mobilebackup2_error_t mobilebackup2_send_status_response(mobilebackup2_client_t client, int status_code, const char *status1, plist_t status2);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/src/Makefile.am b/src/Makefile.am
index 70dc895..f42ac08 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -21,4 +21,5 @@ libimobiledevice_la_SOURCES = idevice.c idevice.h \
 		       mobilesync.c mobilesync.h\
 		       mobilebackup.c mobilebackup.h\
 		       house_arrest.c house_arrest.h\
+		       mobilebackup2.c mobilebackup2.h\
 		       restore.c restore.h
diff --git a/src/mobilebackup2.c b/src/mobilebackup2.c
new file mode 100644
index 0000000..7b6ea33
--- /dev/null
+++ b/src/mobilebackup2.c
@@ -0,0 +1,396 @@
+/*
+ * mobilebackup2.c 
+ * Contains functions for the built-in MobileBackup2 client (iOS4+ only)
+ * 
+ * Copyright (c) 2010 Nikias Bassen 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 
+ */
+
+#include <plist/plist.h>
+#include <string.h>
+#include <stdlib.h>
+
+#include "mobilebackup2.h"
+#include "device_link_service.h"
+#include "debug.h"
+
+#define MBACKUP2_VERSION_INT1 100
+#define MBACKUP2_VERSION_INT2 0
+
+#define IS_FLAG_SET(x, y) ((x & y) == y)
+
+/**
+ * Convert an device_link_service_error_t value to an mobilebackup2_error_t value.
+ * Used internally to get correct error codes from the underlying
+ * device_link_service.
+ *
+ * @param err An device_link_service_error_t error code
+ *
+ * @return A matching mobilebackup2_error_t error code,
+ *     MOBILEBACKUP2_E_UNKNOWN_ERROR otherwise.
+ */
+static mobilebackup2_error_t mobilebackup2_error(device_link_service_error_t err)
+{
+	switch (err) {
+		case DEVICE_LINK_SERVICE_E_SUCCESS:
+			return MOBILEBACKUP2_E_SUCCESS;
+		case DEVICE_LINK_SERVICE_E_INVALID_ARG:
+			return MOBILEBACKUP2_E_INVALID_ARG;
+		case DEVICE_LINK_SERVICE_E_PLIST_ERROR:
+			return MOBILEBACKUP2_E_PLIST_ERROR;
+		case DEVICE_LINK_SERVICE_E_MUX_ERROR:
+			return MOBILEBACKUP2_E_MUX_ERROR;
+		case DEVICE_LINK_SERVICE_E_BAD_VERSION:
+			return MOBILEBACKUP2_E_BAD_VERSION;
+		default:
+			break;
+	}
+	return MOBILEBACKUP2_E_UNKNOWN_ERROR;
+}
+
+/**
+ * Connects to the mobilebackup2 service on the specified device.
+ *
+ * @param device The device to connect to.
+ * @param port Destination port (usually given by lockdownd_start_service).
+ * @param client Pointer that will be set to a newly allocated
+ *     mobilebackup2_client_t upon successful return.
+ *
+ * @return MOBILEBACKUP2_E_SUCCESS on success, MOBILEBACKUP2_E_INVALID ARG
+ *     if one or more parameter is invalid, or MOBILEBACKUP2_E_BAD_VERSION
+ *     if the mobilebackup2 version on the device is newer.
+ */
+mobilebackup2_error_t mobilebackup2_client_new(idevice_t device, uint16_t port,
+						mobilebackup2_client_t * client)
+{
+	if (!device || port == 0 || !client || *client)
+		return MOBILEBACKUP2_E_INVALID_ARG;
+
+	device_link_service_client_t dlclient = NULL;
+	mobilebackup2_error_t ret = mobilebackup2_error(device_link_service_client_new(device, port, &dlclient));
+	if (ret != MOBILEBACKUP2_E_SUCCESS) {
+		return ret;
+	}
+
+	mobilebackup2_client_t client_loc = (mobilebackup2_client_t) malloc(sizeof(struct mobilebackup2_client_private));
+	client_loc->parent = dlclient;
+
+	/* perform handshake */
+	ret = mobilebackup2_error(device_link_service_version_exchange(dlclient, MBACKUP2_VERSION_INT1, MBACKUP2_VERSION_INT2));
+	if (ret != MOBILEBACKUP2_E_SUCCESS) {
+		debug_info("version exchange failed, error %d", ret);
+		mobilebackup2_client_free(client_loc);
+		return ret;
+	}
+
+	*client = client_loc;
+
+	return ret;
+}
+
+/**
+ * Disconnects a mobilebackup2 client from the device and frees up the
+ * mobilebackup2 client data.
+ *
+ * @param client The mobilebackup2 client to disconnect and free.
+ *
+ * @return MOBILEBACKUP2_E_SUCCESS on success, or MOBILEBACKUP2_E_INVALID_ARG
+ *     if client is NULL.
+ */
+mobilebackup2_error_t mobilebackup2_client_free(mobilebackup2_client_t client)
+{
+	if (!client)
+		return MOBILEBACKUP2_E_INVALID_ARG;
+	mobilebackup2_error_t err = MOBILEBACKUP2_E_SUCCESS;
+	if (client->parent) {
+		device_link_service_disconnect(client->parent);
+		err = mobilebackup2_error(device_link_service_client_free(client->parent));
+	}
+	free(client);
+	return err;
+}
+
+/**
+ * Sends a backup message plist.
+ *
+ * @param client The connected MobileBackup client to use.
+ * @param message The message to send. This will be inserted into the request
+ *     plist as value for MessageName. If this parameter is NULL,
+ *     the plist passed in the options parameter will be sent directly.
+ * @param options Additional options as PLIST_DICT to add to the request.
+ *     The MessageName key with the value passed in the message parameter
+ *     will be inserted into this plist before sending it. This parameter
+ *     can be NULL if message is not NULL.
+ */
+static mobilebackup2_error_t internal_mobilebackup2_send_message(mobilebackup2_client_t client, const char *message, plist_t options)
+{
+	if (!client || !client->parent || (!message && !options))
+		return MOBILEBACKUP2_E_INVALID_ARG;
+
+	if (options && (plist_get_node_type(options) != PLIST_DICT)) {
+		return MOBILEBACKUP2_E_INVALID_ARG;
+	}
+
+	mobilebackup2_error_t err;
+
+	if (message) {
+		plist_t dict = NULL;
+		if (options) {
+			dict = plist_copy(options);
+		} else {
+			dict = plist_new_dict();
+		}
+		plist_dict_insert_item(dict, "MessageName", plist_new_string(message));
+
+		/* send it as DLMessageProcessMessage */
+		err = mobilebackup2_error(device_link_service_send_process_message(client->parent, dict));
+		plist_free(dict);
+	} else {
+		err = mobilebackup2_error(device_link_service_send_process_message(client->parent, options));
+	}
+	if (err != MOBILEBACKUP2_E_SUCCESS) {
+		debug_info("ERROR: Could not send message '%s' (%d)!", message, err);
+	}
+	return err;
+}
+
+/**
+ * Receives a plist from the device and checks if the value for the
+ * MessageName key matches the value passed in the message parameter.
+ *
+ * @param client The connected MobileBackup client to use.
+ * @param message The expected message to check.
+ * @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 MOBILEBACKUP2_E_SUCCESS on success, MOBILEBACKUP2_E_INVALID_ARG if
+ *    client or message is invalid, MOBILEBACKUP2_E_REPLY_NOT_OK if the
+ *    expected message could not be received, MOBILEBACKUP2_E_PLIST_ERROR if
+ *    the received message is not a valid backup message plist (i.e. the
+ *    MessageName key is not present), or MOBILEBACKUP2_E_MUX_ERROR
+ *    if a communication error occurs.
+ */
+static mobilebackup2_error_t internal_mobilebackup2_receive_message(mobilebackup2_client_t client, const char *message, plist_t *result)
+{
+	if (!client || !client->parent || !message)
+		return MOBILEBACKUP2_E_INVALID_ARG;
+
+	if (result)
+		*result = NULL;
+	mobilebackup2_error_t err;
+
+	plist_t dict = NULL;
+
+	/* receive DLMessageProcessMessage */
+	err = mobilebackup2_error(device_link_service_receive_process_message(client->parent, &dict));
+	if (err != MOBILEBACKUP2_E_SUCCESS) {
+		goto leave;
+	}
+
+	plist_t node = plist_dict_get_item(dict, "MessageName");
+	if (!node) {
+		debug_info("ERROR: MessageName key not found in plist!");
+		err = MOBILEBACKUP2_E_PLIST_ERROR;
+		goto leave;
+	}
+
+	char *str = NULL;
+	plist_get_string_val(node, &str);
+	if (str && (strcmp(str, message) == 0)) {
+		err = MOBILEBACKUP2_E_SUCCESS;
+	} else {
+		debug_info("ERROR: MessageName value does not match '%s'!", message);
+		err = MOBILEBACKUP2_E_REPLY_NOT_OK;
+	}
+	if (str)
+		free(str);
+
+	if (result) {
+		*result = dict;
+		dict = NULL;
+	}
+leave:
+	if (dict) {
+		plist_free(dict);
+	}
+
+	return err;
+}
+
+/**
+ * TODO
+ */
+mobilebackup2_error_t mobilebackup2_receive_message(mobilebackup2_client_t client, plist_t *msg_plist, char **dlmessage)
+{
+	return mobilebackup2_error(device_link_service_receive_message(client->parent, msg_plist, dlmessage));
+}
+
+mobilebackup2_error_t mobilebackup2_send_raw(mobilebackup2_client_t client, const char *data, uint32_t length, uint32_t *bytes)
+{
+	if (!client || !client->parent)
+		return MOBILEBACKUP2_E_INVALID_ARG;
+
+	*bytes = 0;
+
+	idevice_connection_t conn = client->parent->parent->connection;
+
+	int bytes_loc = 0;
+	uint32_t sent = 0;
+	do {
+		bytes_loc = 0;
+		idevice_connection_send(conn, data+sent, length-sent, (uint32_t*)&bytes_loc);
+		if (bytes_loc <= 0)
+			break;
+		sent += bytes_loc;
+	} while (sent < length);
+	if (sent > 0) {
+		*bytes = sent;
+		return MOBILEBACKUP2_E_SUCCESS;
+	} else {
+		return MOBILEBACKUP2_E_MUX_ERROR;
+	}
+}
+
+mobilebackup2_error_t mobilebackup2_receive_raw(mobilebackup2_client_t client, char *data, uint32_t length, uint32_t *bytes)
+{
+	if (!client || !client->parent)
+		return MOBILEBACKUP2_E_INVALID_ARG;
+
+	idevice_connection_t conn = client->parent->parent->connection;
+
+	*bytes = 0;
+
+	int bytes_loc = 0;
+	uint32_t received = 0;
+	do {
+		bytes_loc = 0;
+		idevice_connection_receive(conn, data+received, length-received, (uint32_t*)&bytes_loc);
+		if (bytes_loc <= 0) break;
+		received += bytes_loc;
+	} while (received < length);
+	if (received > 0) {
+		*bytes = received;
+		return MOBILEBACKUP2_E_SUCCESS;
+	} else if (received == 0) {
+		return MOBILEBACKUP2_E_SUCCESS;
+	} else {
+		return MOBILEBACKUP2_E_MUX_ERROR;
+	}
+}
+
+/**
+ * TODO
+ */
+mobilebackup2_error_t mobilebackup2_version_exchange(mobilebackup2_client_t client)
+{
+	if (!client || !client->parent)
+		return MOBILEBACKUP2_E_INVALID_ARG;
+
+	plist_t dict = plist_new_dict();
+	plist_t array = plist_new_array();
+	plist_array_append_item(array, plist_new_real(2.0));
+	plist_array_append_item(array, plist_new_real(2.1));
+	plist_dict_insert_item(dict, "SupportedProtocolVersions", array);
+
+	mobilebackup2_error_t err = internal_mobilebackup2_send_message(client, "Hello", dict);
+	plist_free(dict);
+
+	if (err != MOBILEBACKUP2_E_SUCCESS)
+		goto leave;
+
+	dict = NULL;
+	err = internal_mobilebackup2_receive_message(client, "Response", &dict);
+	if (err != MOBILEBACKUP2_E_SUCCESS)
+		goto leave;
+
+	plist_t node = plist_dict_get_item(dict, "ErrorCode");
+	if (!node || (plist_get_node_type(node) != PLIST_UINT)) {
+		err = MOBILEBACKUP2_E_PLIST_ERROR;
+		goto leave;
+	}
+
+	uint64_t val = 0;
+	plist_get_uint_val(node, &val);
+
+	if (val != 0) {
+		err = MOBILEBACKUP2_E_REPLY_NOT_OK;
+		goto leave;
+	}
+
+	node = plist_dict_get_item(dict, "ProtocolVersion");
+	if (!node || (plist_get_node_type(node) != PLIST_REAL)) {
+		err = MOBILEBACKUP2_E_PLIST_ERROR;
+		goto leave;
+	}
+
+	double rval = 0.0;
+	plist_get_real_val(node, &rval);
+
+	debug_info("using protocol version %f\n", rval);
+
+	// TODO version check ??
+	// if version does not match
+	//	err = MOBILEBACKUP2_E_BAD_VERSION
+
+leave:
+	if (dict)
+		plist_free(dict);
+	return err;
+}
+
+/**
+ * TODO
+ */
+mobilebackup2_error_t mobilebackup2_request_backup(mobilebackup2_client_t client, const char *uuid)
+{
+	if (!client || !client->parent)
+		return MOBILEBACKUP2_E_INVALID_ARG;
+
+	plist_t dict = plist_new_dict();
+	plist_dict_insert_item(dict, "TargetIdentifier", plist_new_string(uuid));
+	mobilebackup2_error_t err = internal_mobilebackup2_send_message(client, "Backup", dict);
+	plist_free(dict);
+
+	return err;
+}
+
+mobilebackup2_error_t mobilebackup2_send_status_response(mobilebackup2_client_t client, int status_code, const char *status1, plist_t status2)
+{
+	if (!client || !client->parent)
+		return MOBILEBACKUP2_E_INVALID_ARG;
+
+	plist_t array = plist_new_array();
+	plist_array_append_item(array, plist_new_string("DLMessageStatusResponse"));
+	plist_array_append_item(array, plist_new_uint(status_code));
+	if (status1) {
+		plist_array_append_item(array, plist_new_string(status1));
+	} else {
+		plist_array_append_item(array, plist_new_string("___EmptyParameterString___"));
+	}
+	if (status2) {
+		plist_array_append_item(array, plist_copy(status2));
+	} else {
+		plist_array_append_item(array, plist_new_string("___EmptyParameterString___"));
+	}
+
+	mobilebackup2_error_t err = mobilebackup2_error(device_link_service_send(client->parent, array));
+	plist_free(array);
+
+	return err;
+}
diff --git a/src/mobilebackup2.h b/src/mobilebackup2.h
new file mode 100644
index 0000000..f96e400
--- /dev/null
+++ b/src/mobilebackup2.h
@@ -0,0 +1,31 @@
+ /* 
+ * mobilebackup2.h
+ * Definitions for the mobilebackup2 service (iOS4+)
+ * 
+ * Copyright (c) 2010 Nikias Bassen 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 
+ */
+#ifndef MOBILEBACKUP2_H
+#define MOBILEBACKUP2_H
+
+#include "libimobiledevice/mobilebackup2.h"
+#include "device_link_service.h"
+
+struct mobilebackup2_client_private {
+	device_link_service_client_t parent;
+};
+
+#endif
diff --git a/tools/Makefile.am b/tools/Makefile.am
index 0a47fdc..5115811 100644
--- a/tools/Makefile.am
+++ b/tools/Makefile.am
@@ -3,7 +3,7 @@ AM_CPPFLAGS = -I$(top_srcdir)/include
 AM_CFLAGS = $(GLOBAL_CFLAGS) $(libglib2_CFLAGS) $(libgnutls_CFLAGS) $(libtasn1_CFLAGS) $(libgthread2_CFLAGS) $(LFS_CFLAGS)
 AM_LDFLAGS = $(libglib2_LIBS) $(libgnutls_LIBS) $(libtasn1_LIBS) $(libgthread2_LIBS)
 
-bin_PROGRAMS = idevice_id ideviceinfo idevicepair idevicesyslog idevicebackup ideviceimagemounter idevicescreenshot ideviceenterrecovery idevicedate
+bin_PROGRAMS = idevice_id ideviceinfo idevicepair idevicesyslog idevicebackup idevicebackup4 ideviceimagemounter idevicescreenshot ideviceenterrecovery idevicedate
 
 ideviceinfo_SOURCES = ideviceinfo.c
 ideviceinfo_CFLAGS = $(AM_CFLAGS)
@@ -30,6 +30,11 @@ idevicebackup_CFLAGS = $(AM_CFLAGS)
 idevicebackup_LDFLAGS = $(AM_LDFLAGS)
 idevicebackup_LDADD = ../src/libimobiledevice.la
 
+idevicebackup4_SOURCES = idevicebackup4.c
+idevicebackup4_CFLAGS = $(AM_CFLAGS)
+idevicebackup4_LDFLAGS = $(AM_LDFLAGS)
+idevicebackup4_LDADD = ../src/libimobiledevice.la
+
 ideviceimagemounter_SOURCES = ideviceimagemounter.c
 ideviceimagemounter_CFLAGS = $(AM_CFLAGS)
 ideviceimagemounter_LDFLAGS = $(AM_LDFLAGS)
diff --git a/tools/idevicebackup4.c b/tools/idevicebackup4.c
new file mode 100644
index 0000000..4b39510
--- /dev/null
+++ b/tools/idevicebackup4.c
@@ -0,0 +1,2142 @@
+/*
+ * idevicebackup4.c
+ * Command line interface to use the device's backup and restore service
+ *
+ * Copyright (c) 2009-2010 Martin Szulecki All Rights Reserved.
+ * Copyright (c) 2010      Nikias Bassen 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 
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <signal.h>
+#include <glib.h>
+#include <gcrypt.h>
+#include <unistd.h>
+
+#include <libimobiledevice/libimobiledevice.h>
+#include <libimobiledevice/lockdown.h>
+#include <libimobiledevice/mobilebackup2.h>
+#include <libimobiledevice/notification_proxy.h>
+#include <libimobiledevice/afc.h>
+
+#define MOBILEBACKUP2_SERVICE_NAME "com.apple.mobilebackup2"
+#define NP_SERVICE_NAME "com.apple.mobile.notification_proxy"
+
+#define LOCK_ATTEMPTS 50
+#define LOCK_WAIT 200000
+
+#define CODE_NULL 0x00
+#define CODE_ERROR_MSG 0x0b
+#define CODE_FILE_DATA 0x0c
+
+static mobilebackup2_client_t mobilebackup2 = NULL;
+static lockdownd_client_t client = NULL;
+static idevice_t phone = NULL;
+
+static int quit_flag = 0;
+
+enum cmd_mode {
+	CMD_BACKUP,
+	CMD_RESTORE,
+	CMD_LEAVE
+};
+
+enum plist_format_t {
+	PLIST_FORMAT_XML,
+	PLIST_FORMAT_BINARY
+};
+
+enum device_link_file_status_t {
+	DEVICE_LINK_FILE_STATUS_NONE = 0,
+	DEVICE_LINK_FILE_STATUS_HUNK,
+	DEVICE_LINK_FILE_STATUS_LAST_HUNK
+};
+
+static void sha1_of_data(const char *input, uint32_t size, unsigned char *hash_out)
+{
+	gcry_md_hash_buffer(GCRY_MD_SHA1, hash_out, input, size);
+}
+
+static int compare_hash(const unsigned char *hash1, const unsigned char *hash2, int hash_len)
+{
+	int i;
+	for (i = 0; i < hash_len; i++) {
+		if (hash1[i] != hash2[i]) {
+			return 0;
+		}
+	}
+	return 1;
+}
+
+static void compute_datahash(const char *path, const char *destpath, uint8_t greylist, const char *domain, const char *appid, const char *version, unsigned char *hash_out)
+{
+	gcry_md_hd_t hd = NULL;
+	gcry_md_open(&hd, GCRY_MD_SHA1, 0);
+	if (!hd) {
+		printf("ERROR: Could not initialize libgcrypt/SHA1\n");
+		return;
+	}
+	gcry_md_reset(hd);
+
+	FILE *f = fopen(path, "rb");
+	if (f) {
+		unsigned char buf[16384];
+		size_t len;
+		while ((len = fread(buf, 1, 16384, f)) > 0) {
+			gcry_md_write(hd, buf, len);
+		}
+		fclose(f);
+		gcry_md_write(hd, destpath, strlen(destpath));
+		gcry_md_write(hd, ";", 1);
+		if (greylist == 1) {
+			gcry_md_write(hd, "true", 4);
+		} else {
+			gcry_md_write(hd, "false", 5);
+		}
+		gcry_md_write(hd, ";", 1);
+		if (domain) {
+			gcry_md_write(hd, domain, strlen(domain));
+		} else {
+			gcry_md_write(hd, "(null)", 6);
+		}
+		gcry_md_write(hd, ";", 1);
+		if (appid) {
+			gcry_md_write(hd, appid, strlen(appid));
+		} else {
+			gcry_md_write(hd, "(null)", 6);
+		}
+		gcry_md_write(hd, ";", 1);
+		if (version) {
+			gcry_md_write(hd, version, strlen(version));
+		} else {
+			gcry_md_write(hd, "(null)", 6);
+		}
+		unsigned char *newhash = gcry_md_read(hd, GCRY_MD_SHA1);
+		memcpy(hash_out, newhash, 20);
+	}
+	gcry_md_close(hd);
+}
+
+static void print_hash(const unsigned char *hash, int len)
+{
+	int i;
+	for (i = 0; i < len; i++) {
+		printf("%02x", hash[i]);
+	}
+}
+
+static void notify_cb(const char *notification, void *userdata)
+{
+	if (!strcmp(notification, NP_SYNC_CANCEL_REQUEST)) {
+		printf("User has aborted on-device\n");
+		quit_flag++;
+	} else {
+		printf("unhandled notification '%s' (TODO: implement)\n", notification);
+	}
+}
+
+static void debug_buf(const char *data, const int length)
+{
+	int i;
+	int j;
+	unsigned char c;
+
+	for (i = 0; i < length; i += 16) {
+		fprintf(stdout, "%04x: ", i);
+		for (j = 0; j < 16; j++) {
+			if (i + j >= length) {
+				fprintf(stdout, "   ");
+				continue;
+			}
+			fprintf(stdout, "%02hhx ", *(data + i + j));
+		}
+		fprintf(stdout, "  | ");
+		for (j = 0; j < 16; j++) {
+			if (i + j >= length)
+				break;
+			c = *(data + i + j);
+			if ((c < 32) || (c > 127)) {
+				fprintf(stdout, ".");
+				continue;
+			}
+			fprintf(stdout, "%c", c);
+		}
+		fprintf(stdout, "\n");
+	}
+	fprintf(stdout, "\n");
+}
+
+static plist_t mobilebackup_factory_info_plist_new()
+{
+	/* gather data from lockdown */
+	GTimeVal tv = {0, 0};
+	plist_t value_node = NULL;
+	plist_t root_node = NULL;
+	char *uuid = NULL;
+	char *uuid_uppercase = NULL;
+
+	plist_t ret = plist_new_dict();
+
+	/* get basic device information in one go */
+	lockdownd_get_value(client, NULL, NULL, &root_node);
+
+	/* set fields we understand */
+	value_node = plist_dict_get_item(root_node, "BuildVersion");
+	plist_dict_insert_item(ret, "Build Version", plist_copy(value_node));
+
+	value_node = plist_dict_get_item(root_node, "DeviceName");
+	plist_dict_insert_item(ret, "Device Name", plist_copy(value_node));
+	plist_dict_insert_item(ret, "Display Name", plist_copy(value_node));
+
+	/* FIXME: How is the GUID generated? */
+	plist_dict_insert_item(ret, "GUID", plist_new_string("---"));
+
+	value_node = plist_dict_get_item(root_node, "InternationalMobileEquipmentIdentity");
+	if (value_node)
+		plist_dict_insert_item(ret, "IMEI", plist_copy(value_node));
+
+	g_get_current_time(&tv);
+	plist_dict_insert_item(ret, "Last Backup Date", plist_new_date(tv.tv_sec, tv.tv_usec));
+
+	value_node = plist_dict_get_item(root_node, "ProductType");
+	plist_dict_insert_item(ret, "Product Type", plist_copy(value_node));
+
+	value_node = plist_dict_get_item(root_node, "ProductVersion");
+	plist_dict_insert_item(ret, "Product Version", plist_copy(value_node));
+
+	value_node = plist_dict_get_item(root_node, "SerialNumber");
+	plist_dict_insert_item(ret, "Serial Number", plist_copy(value_node));
+
+	value_node = plist_dict_get_item(root_node, "UniqueDeviceID");
+	idevice_get_uuid(phone, &uuid);
+	plist_dict_insert_item(ret, "Target Identifier", plist_new_string(uuid));
+
+	/* uppercase */
+	uuid_uppercase = g_ascii_strup(uuid, -1);
+	plist_dict_insert_item(ret, "Unique Identifier", plist_new_string(uuid_uppercase));
+	free(uuid_uppercase);
+	free(uuid);
+
+	/* FIXME: Embed files as <data> nodes */
+	plist_t files = plist_new_dict();
+	plist_dict_insert_item(ret, "iTunes Files", files);
+	plist_dict_insert_item(ret, "iTunes Version", plist_new_string("9.0.2"));
+
+	plist_free(root_node);
+
+	return ret;
+}
+
+static void mobilebackup_info_update_last_backup_date(plist_t info_plist)
+{
+	GTimeVal tv = {0, 0};
+	plist_t node = NULL;
+
+	if (!info_plist)
+		return;
+
+	g_get_current_time(&tv);
+	node = plist_dict_get_item(info_plist, "Last Backup Date");
+	plist_set_date_val(node, tv.tv_sec, tv.tv_usec);
+
+	node = NULL;
+}
+
+static void buffer_read_from_filename(const char *filename, char **buffer, uint64_t *length)
+{
+	FILE *f;
+	uint64_t size;
+
+	*length = 0;
+
+	f = fopen(filename, "rb");
+	if (!f) {
+		return;
+	}
+
+	fseek(f, 0, SEEK_END);
+	size = ftell(f);
+	rewind(f);
+
+	if (size == 0) {
+		return;
+	}
+
+	*buffer = (char*)malloc(sizeof(char)*size);
+	fread(*buffer, sizeof(char), size, f);
+	fclose(f);
+
+	*length = size;
+}
+
+static void buffer_write_to_filename(const char *filename, const char *buffer, uint64_t length)
+{
+	FILE *f;
+
+	f = fopen(filename, "ab");
+	if (!f)
+		f = fopen(filename, "wb");
+	if (f) {
+		fwrite(buffer, sizeof(char), length, f);
+		fclose(f);
+	}
+}
+
+static int plist_read_from_filename(plist_t *plist, const char *filename)
+{
+	char *buffer = NULL;
+	uint64_t length;
+
+	if (!filename)
+		return 0;
+
+	buffer_read_from_filename(filename, &buffer, &length);
+
+	if (!buffer) {
+		return 0;
+	}
+
+	if ((length > 8) && (memcmp(buffer, "bplist00", 8) == 0)) {
+		plist_from_bin(buffer, length, plist);
+	} else {
+		plist_from_xml(buffer, length, plist);
+	}
+
+	free(buffer);
+
+	return 1;
+}
+
+static int plist_write_to_filename(plist_t plist, const char *filename, enum plist_format_t format)
+{
+	char *buffer = NULL;
+	uint32_t length;
+
+	if (!plist || !filename)
+		return 0;
+
+	if (format == PLIST_FORMAT_XML)
+		plist_to_xml(plist, &buffer, &length);
+	else if (format == PLIST_FORMAT_BINARY)
+		plist_to_bin(plist, &buffer, &length);
+	else
+		return 0;
+
+	buffer_write_to_filename(filename, buffer, length);
+
+	free(buffer);
+
+	return 1;
+}
+
+static int plist_strcmp(plist_t node, const char *str)
+{
+	char *buffer = NULL;
+	int ret = 0;
+
+	if (plist_get_node_type(node) != PLIST_STRING)
+		return ret;
+
+	plist_get_string_val(node, &buffer);
+	ret = strcmp(buffer, str);
+	free(buffer);
+
+	return ret;
+}
+
+static gchar *mobilebackup_build_path(const char *backup_directory, const char *name, const char *extension)
+{
+	gchar *filename = g_strconcat(name, extension, NULL);
+	gchar *path = g_build_path(G_DIR_SEPARATOR_S, backup_directory, filename, NULL);
+	g_free(filename);
+	return path;
+}
+
+/*static void mobilebackup_write_status(const char *path, int status)
+{
+	struct stat st;
+	plist_t status_plist = plist_new_dict();
+	plist_dict_insert_item(status_plist, "Backup Success", plist_new_bool(status));
+	gchar *file_path = mobilebackup_build_path(path, "Status", ".plist");
+
+	if (stat(file_path, &st) == 0)
+		remove(file_path);
+
+	plist_write_to_filename(status_plist, file_path, PLIST_FORMAT_XML);
+
+	plist_free(status_plist);
+	status_plist = NULL;
+
+	g_free(file_path);
+}*/
+
+static int mobilebackup_read_status(const char *path)
+{
+	int ret = -1;
+	plist_t status_plist = NULL;
+	gchar *file_path = mobilebackup_build_path(path, "Status", ".plist");
+
+	plist_read_from_filename(&status_plist, file_path);
+	g_free(file_path);
+	if (!status_plist) {
+		printf("Could not read Status.plist!\n");
+		return ret;
+	}
+	plist_t node = plist_dict_get_item(status_plist, "SnapshotState");
+	if (node && (plist_get_node_type(node) == PLIST_STRING)) {
+		char *str = NULL;
+		plist_get_string_val(node, &str);
+		if (!strcmp(str, "finished")) {
+			ret = 1;
+		} else {
+			ret = 0;
+		}
+		g_free(str);
+	} else {
+		printf("%s: ERROR could not get SnapshotState key from Status.plist!\n", __func__);
+	}
+	plist_free(status_plist);
+	return ret;
+}
+
+static int mobilebackup_info_is_current_device(plist_t info)
+{
+	plist_t value_node = NULL;
+	plist_t node = NULL;
+	plist_t root_node = NULL;
+	int ret = 0;
+
+	if (!info)
+		return ret;
+
+	if (plist_get_node_type(info) != PLIST_DICT)
+		return ret;
+
+	/* get basic device information in one go */
+	lockdownd_get_value(client, NULL, NULL, &root_node);
+
+	/* verify UUID */
+	value_node = plist_dict_get_item(root_node, "UniqueDeviceID");
+	node = plist_dict_get_item(info, "Target Identifier");
+
+	if(plist_compare_node_value(value_node, node))
+		ret = 1;
+	else {
+		printf("Info.plist: UniqueDeviceID does not match.\n");
+	}
+
+	/* verify SerialNumber */
+	if (ret == 1) {
+		value_node = plist_dict_get_item(root_node, "SerialNumber");
+		node = plist_dict_get_item(info, "Serial Number");
+
+		if(plist_compare_node_value(value_node, node))
+			ret = 1;
+		else {
+			printf("Info.plist: SerialNumber does not match.\n");
+			ret = 0;
+		}
+	}
+
+	/* verify ProductVersion to prevent using backup with different OS version */
+	if (ret == 1) {
+		value_node = plist_dict_get_item(root_node, "ProductVersion");
+		node = plist_dict_get_item(info, "Product Version");
+
+		if(plist_compare_node_value(value_node, node))
+			ret = 1;
+		else {
+			printf("Info.plist: ProductVersion does not match.\n");
+			ret = 0;
+		}
+	}
+
+	plist_free(root_node);
+	root_node = NULL;
+
+	value_node = NULL;
+	node = NULL;
+
+	return ret;
+}
+
+/*static int mobilebackup_delete_backup_file_by_hash(const char *backup_directory, const char *hash)
+{
+	int ret = 0;
+	gchar *path = mobilebackup_build_path(backup_directory, hash, ".mddata");
+	printf("Removing \"%s\" ", path);
+	if (!remove( path ))
+		ret = 1;
+	else
+		ret = 0;
+
+	g_free(path);
+
+	if (!ret)
+		return ret;
+
+	path = mobilebackup_build_path(backup_directory, hash, ".mdinfo");
+	printf("and \"%s\"... ", path);
+	if (!remove( path ))
+		ret = 1;
+	else
+		ret = 0;
+
+	g_free(path);
+
+	return ret;
+}*/
+
+static int mobilebackup_check_file_integrity(const char *backup_directory, const char *hash, plist_t filedata)
+{
+	char *datapath;
+	char *infopath;
+	plist_t mdinfo = NULL;
+	struct stat st;
+	unsigned char file_hash[20];
+
+	datapath = mobilebackup_build_path(backup_directory, hash, ".mddata");
+	if (stat(datapath, &st) != 0) {
+		printf("\r\n");
+		printf("ERROR: '%s.mddata' is missing!\n", hash);
+		free(datapath);
+		return 0;
+	}
+
+	infopath = mobilebackup_build_path(backup_directory, hash, ".mdinfo");
+	plist_read_from_filename(&mdinfo, infopath);
+	free(infopath);
+	if (!mdinfo) {
+		printf("\r\n");
+		printf("ERROR: '%s.mdinfo' is missing or corrupted!\n", hash);
+		free(datapath);
+		return 0;
+	}
+
+	/* sha1 hash verification */
+	plist_t node = plist_dict_get_item(filedata, "DataHash");
+	if (!node || (plist_get_node_type(node) != PLIST_DATA)) {
+		printf("\r\n");
+		printf("ERROR: Could not get DataHash for file entry '%s'\n", hash);
+		plist_free(mdinfo);
+		free(datapath);
+		return 0;
+	}
+
+	node = plist_dict_get_item(mdinfo, "Metadata");
+	if (!node && (plist_get_node_type(node) != PLIST_DATA)) {
+		printf("\r\n");
+		printf("ERROR: Could not find Metadata in plist '%s.mdinfo'\n", hash);
+		plist_free(mdinfo);
+		free(datapath);
+		return 0;
+	}
+
+	char *meta_bin = NULL;
+	uint64_t meta_bin_size = 0;
+	plist_get_data_val(node, &meta_bin, &meta_bin_size);
+	plist_t metadata = NULL;
+	if (meta_bin) {
+		plist_from_bin(meta_bin, (uint32_t)meta_bin_size, &metadata);
+	}
+	if (!metadata) {
+		printf("\r\n");
+		printf("ERROR: Could not get Metadata from plist '%s.mdinfo'\n", hash);
+		plist_free(mdinfo);
+		free(datapath);
+		return 0;
+	}
+
+	char *version = NULL;
+	node = plist_dict_get_item(metadata, "Version");
+	if (node && (plist_get_node_type(node) == PLIST_STRING)) { 
+		plist_get_string_val(node, &version);
+	}
+
+	char *destpath = NULL;
+	node = plist_dict_get_item(metadata, "Path");
+	if (node && (plist_get_node_type(node) == PLIST_STRING)) { 
+		plist_get_string_val(node, &destpath);
+	}
+
+	uint8_t greylist = 0;
+	node = plist_dict_get_item(metadata, "Greylist");
+	if (node && (plist_get_node_type(node) == PLIST_BOOLEAN)) {
+		plist_get_bool_val(node, &greylist);
+	}
+
+	char *domain = NULL;
+	node = plist_dict_get_item(metadata, "Domain");
+	if (node && (plist_get_node_type(node) == PLIST_STRING)) { 
+		plist_get_string_val(node, &domain);
+	}
+
+	char *fnstr = malloc(strlen(domain) + 1 + strlen(destpath) + 1);
+	strcpy(fnstr, domain);
+	strcat(fnstr, "-");
+	strcat(fnstr, destpath);
+	unsigned char fnhash[20];
+	char fnamehash[41];
+	char *p = fnamehash;
+	sha1_of_data(fnstr, strlen(fnstr), fnhash);
+	free(fnstr);
+	int i;
+	for ( i = 0; i < 20; i++, p += 2 ) {
+		snprintf (p, 3, "%02x", (unsigned char)fnhash[i] );
+	}
+	if (strcmp(fnamehash, hash)) {
+		printf("\r\n"); 
+		printf("WARNING: filename hash does not match for entry '%s'\n", hash);
+	}
+
+	char *auth_version = NULL;
+	node = plist_dict_get_item(mdinfo, "AuthVersion");
+	if (node && (plist_get_node_type(node) == PLIST_STRING)) {
+		plist_get_string_val(node, &auth_version);
+	}
+
+	if (strcmp(auth_version, "1.0")) {
+		printf("\r\n");
+		printf("WARNING: Unknown AuthVersion '%s', DataHash cannot be verified!\n", auth_version);
+	}
+
+	node = plist_dict_get_item(filedata, "DataHash");
+	if (!node || (plist_get_node_type(node) != PLIST_DATA)) {
+		printf("\r\n");
+		printf("WARNING: Could not get DataHash key from file info data for entry '%s'\n", hash);
+	}
+
+	int res = 1;
+	unsigned char *data_hash = NULL;
+	uint64_t data_hash_len = 0;
+	plist_get_data_val(node, (char**)&data_hash, &data_hash_len);
+	int hash_ok = 0;
+	if (data_hash && (data_hash_len == 20)) {
+		compute_datahash(datapath, destpath, greylist, domain, NULL, version, file_hash);
+		hash_ok = compare_hash(data_hash, file_hash, 20);
+	} else if (data_hash_len == 0) {
+		/* no datahash present */
+		hash_ok = 1;
+	}
+
+	g_free(domain);
+	g_free(version);
+	g_free(destpath);
+
+	if (!hash_ok) {
+		printf("\r\n");
+		printf("ERROR: The hash for '%s.mddata' does not match DataHash entry in Manifest\n", hash);
+		printf("datahash: ");
+		print_hash(data_hash, 20);
+		printf("\nfilehash: ");
+		print_hash(file_hash, 20);
+		printf("\n");
+		res = 0;
+	}
+	g_free(data_hash);
+	plist_free(mdinfo);
+	return res;
+}
+
+static void do_post_notification(const char *notification)
+{
+	uint16_t nport = 0;
+	np_client_t np;
+
+	if (!client) {
+		if (lockdownd_client_new_with_handshake(phone, &client, "idevicebackup") != LOCKDOWN_E_SUCCESS) {
+			return;
+		}
+	}
+
+	lockdownd_start_service(client, NP_SERVICE_NAME, &nport);
+	if (nport) {
+		np_client_new(phone, nport, &np);
+		if (np) {
+			np_post_notification(np, notification);
+			np_client_free(np);
+		}
+	} else {
+		printf("Could not start %s\n", NP_SERVICE_NAME);
+	}
+}
+
+static void print_progress(double progress)
+{
+	int i = 0;
+	if (progress < 0)
+		return;
+
+	if (progress > 100)
+		progress = 100;
+
+	printf("\r[");
+	for(i = 0; i < 50; i++) {
+		if(i < progress / 2) {
+			printf("=");
+		} else {
+			printf(" ");
+		}
+	}
+	printf("] %3.0f%%", progress);
+	fflush(stdout);
+	if (progress == 100)
+		printf("\n");
+}
+
+static void multi_status_add_file_error(plist_t status_dict, const char *path, int error_code, const char *error_message)
+{
+	if (!status_dict) return;
+	plist_t filedict = plist_new_dict();
+	plist_dict_insert_item(filedict, "DLFileErrorString", plist_new_string(error_message));
+	plist_dict_insert_item(filedict, "DLFileErrorCode", plist_new_uint(error_code));
+	plist_dict_insert_item(status_dict, path, filedict);
+}
+
+static int errno_to_device_error(int errno_value)
+{
+	switch (errno_value) {
+		case ENOENT:
+			return -6;
+		case EEXIST:
+			return -7;
+		default:
+			return -errno_value;
+	}
+}
+
+static int handle_send_file(const char *backup_dir, const char *path, plist_t *errplist)
+{
+	uint32_t nlen = 0;
+	uint32_t pathlen = strlen(path);
+	int bytes = 0;
+	gchar *localfile = g_build_path(G_DIR_SEPARATOR_S, backup_dir, path, NULL);
+	char buf[16384];
+	struct stat fst;
+
+	FILE *f = NULL;
+	uint32_t slen = 0;
+	int errcode = -1;
+	int e = -1;
+
+	mobilebackup2_error_t err;
+
+	/* send path length */
+	nlen = GUINT32_TO_BE(pathlen);
+	err = mobilebackup2_send_raw(mobilebackup2, (const char*)&nlen, sizeof(nlen), (uint32_t*)&bytes);
+	if (err != MOBILEBACKUP2_E_SUCCESS) {
+		goto leave_proto_err;
+	}
+	if (bytes != sizeof(nlen)) {
+		err = MOBILEBACKUP2_E_MUX_ERROR;
+		goto leave_proto_err;
+	}
+
+	/* send path */
+	err = mobilebackup2_send_raw(mobilebackup2, path, pathlen, (uint32_t*)&bytes);
+	if (err != MOBILEBACKUP2_E_SUCCESS) {
+		goto leave_proto_err;
+	}
+	if ((uint32_t)bytes != pathlen) {
+		err = MOBILEBACKUP2_E_MUX_ERROR;
+		goto leave_proto_err;
+	}
+
+	if (stat(localfile, &fst) < 0) {
+		printf("%s: stat failed on '%s': %d\n", __func__, localfile, errno);
+		errcode = errno;
+		goto leave;
+	}
+
+	f = fopen(localfile, "rb");
+	if (!f) {
+		printf("%s: Error opening local file '%s': %d\n", __func__, localfile, errno);
+		errcode = errno;
+		goto leave;
+	}
+
+	printf("Sending file '%s'\n", path);
+
+	/* send data size (file size + 1) */
+	uint32_t length = (uint32_t)fst.st_size;
+	nlen = GUINT32_TO_BE(length+1);
+	memcpy(buf, &nlen, sizeof(nlen));
+	/* unknown special byte */
+	buf[4] = 0x0C;
+	err = mobilebackup2_send_raw(mobilebackup2, (const char*)buf, 5, (uint32_t*)&bytes);
+	if (err != MOBILEBACKUP2_E_SUCCESS) {
+		goto leave_proto_err;
+	}
+	if (bytes != 5) {
+		goto leave_proto_err;
+	}
+
+	/* send file contents */
+	uint32_t sent = 0;
+	while (sent < length) {
+		size_t r = fread(buf, 1, sizeof(buf), f);
+		if (r <= 0) {
+			printf("%s: read error\n", __func__);
+			errcode = errno;
+			goto leave;
+		}
+		err = mobilebackup2_send_raw(mobilebackup2, buf, r, (uint32_t*)&bytes);
+		if (err != MOBILEBACKUP2_E_SUCCESS) {
+			goto leave_proto_err;
+		}
+		if ((uint32_t)bytes != r) {
+			printf("sent only %d from %d\n", bytes, r);
+			goto leave_proto_err;
+		}
+		sent += r;
+	}
+	fclose(f);
+	f = NULL;
+	errcode = 0;
+
+leave:
+	if (errcode == 0) {
+		e = 0;
+		nlen = 1;
+		nlen = GUINT32_TO_BE(nlen);
+		memcpy(buf, &nlen, 4);
+		buf[4] = 0;
+		mobilebackup2_send_raw(mobilebackup2, buf, 5, &sent);
+	} else {
+		if (!*errplist) {
+			*errplist = plist_new_dict();
+		}
+		char *errdesc = strerror(errcode);
+		multi_status_add_file_error(*errplist, path, errno_to_device_error(errcode), errdesc);
+		
+		length = strlen(errdesc);
+		nlen = GUINT32_TO_BE(length+1);
+		memcpy(buf, &nlen, 4);
+		buf[4] = 0x06;
+		slen = 5;
+		memcpy(buf+slen, errdesc, length);
+		slen += length;
+		err = mobilebackup2_send_raw(mobilebackup2, (const char*)buf, slen, (uint32_t*)&bytes);
+		if (err != MOBILEBACKUP2_E_SUCCESS) {
+			printf("could not send message\n");
+		}
+		if ((uint32_t)bytes != slen) {
+			printf("could only send %d from %d\n", bytes, slen);
+		}
+	}
+
+leave_proto_err:
+	if (f)
+		fclose(f);
+	g_free(localfile);
+	return e;
+}
+
+static void handle_send_files(plist_t message, const char *backup_dir)
+{
+	uint32_t cnt; 
+	uint32_t i = 0;
+	uint32_t sent;
+	plist_t errplist = NULL;
+	
+	if (!message || (plist_get_node_type(message) != PLIST_ARRAY) || (plist_array_get_size(message) < 2) || !backup_dir) return;
+
+	plist_t files = plist_array_get_item(message, 1);
+	cnt = plist_array_get_size(files);
+	if (cnt == 0) return;
+
+	for (i = 0; i < cnt; i++) {
+		plist_t val = plist_array_get_item(files, i);
+		if (plist_get_node_type(val) != PLIST_STRING) {
+			continue;
+		}
+		char *str = NULL;
+		plist_get_string_val(val, &str);
+		if (!str)
+			continue;
+
+		if (handle_send_file(backup_dir, str, &errplist) < 0) {
+			//printf("Error when sending file '%s' to device\n", str);
+			// TODO: perhaps we can continue, we've got a multi status response?!
+			break;
+		}
+	}
+
+	/* send terminating 0 dword */
+	uint32_t zero = 0;
+	mobilebackup2_send_raw(mobilebackup2, (char*)&zero, 4, &sent);
+
+	if (!errplist) {
+		mobilebackup2_send_status_response(mobilebackup2, 0, NULL, plist_new_dict());
+	} else {
+		mobilebackup2_send_status_response(mobilebackup2, -13, "Multi status", errplist);
+		plist_free(errplist);
+	}
+}
+
+static int handle_receive_files(plist_t message, const char *backup_dir)
+{
+	uint64_t backup_real_size = 0;
+	uint64_t backup_total_size = 0;
+	uint32_t blocksize;
+	uint32_t bdone;
+	uint32_t rlen;
+	uint32_t nlen = 0;
+	uint32_t r;
+	char buf[32768];
+	char *fname = NULL;
+	gchar *bname = NULL;
+	char code = 0;
+	plist_t node = NULL;
+	FILE *f = NULL;
+	unsigned int file_count = 0;
+
+	if (!message || (plist_get_node_type(message) != PLIST_ARRAY) || plist_array_get_size(message) < 4 || !backup_dir) return 0;
+
+	node = plist_array_get_item(message, 3);
+	if (plist_get_node_type(node) == PLIST_UINT) {
+		plist_get_uint_val(node, &backup_total_size);
+	}
+	if (backup_total_size > 0) {
+		gchar *format_size = g_format_size_for_display(backup_total_size);
+		printf("Receiving backup data (%s)\n", format_size);
+		g_free(format_size);
+	}
+
+	do {
+		if (quit_flag)
+			break;
+		r = 0;
+		mobilebackup2_receive_raw(mobilebackup2, (char*)&nlen, 4, &r);
+		nlen = GUINT32_FROM_BE(nlen);
+		if (nlen == 0) {
+			// we're done here
+			break;
+		}
+		fname = (char*)malloc(nlen+1);
+		r = 0;
+		mobilebackup2_receive_raw(mobilebackup2, fname, nlen, &r);
+		fname[r] = 0;
+		// we don't need this name
+		//printf("\n%s\n", fname);
+		free(fname);
+		nlen = 0;
+		mobilebackup2_receive_raw(mobilebackup2, (char*)&nlen, 4, &r);
+		nlen = GUINT32_FROM_BE(nlen);
+		fname = (char*)malloc(nlen+1);
+		mobilebackup2_receive_raw(mobilebackup2, fname, nlen, &r);
+		if (r != nlen) {
+			fprintf(stderr, "hmmm.... received %d from %d\n", r, nlen);
+		}
+		fname[r] = 0;
+		bname = g_build_path(G_DIR_SEPARATOR_S, backup_dir, fname, NULL);
+		free(fname);
+		nlen = 0;
+		mobilebackup2_receive_raw(mobilebackup2, (char*)&nlen, 4, &r);
+		nlen = GUINT32_FROM_BE(nlen);
+		code = 0;
+		mobilebackup2_receive_raw(mobilebackup2, &code, 1, &r);
+
+		/* TODO remove this */
+		if ((code != 0) && (code != CODE_FILE_DATA) && (code != CODE_ERROR_MSG)) {
+			printf("Found new flag %02x\n", code);
+		}
+
+		remove(bname);
+		f = fopen(bname, "wb");
+		while (code == CODE_FILE_DATA) {
+			blocksize = nlen-1;
+			bdone = 0;
+			rlen = 0;
+			while (bdone < blocksize) {
+				if ((blocksize - bdone) < sizeof(buf)) {
+					rlen = blocksize - bdone;
+				} else {
+					rlen = sizeof(buf);
+				}
+				mobilebackup2_receive_raw(mobilebackup2, buf, rlen, &r);
+				if ((int)r <= 0) {
+					break;
+				}
+				fwrite(buf, 1, r, f);
+				bdone += r;
+			}
+			if (bdone == blocksize) {
+				backup_real_size += blocksize;
+			}
+			if (quit_flag)
+				break;
+			nlen = 0;
+			mobilebackup2_receive_raw(mobilebackup2, (char*)&nlen, 4, &r);
+			nlen = GUINT32_FROM_BE(nlen);
+			if (nlen > 0) {
+				mobilebackup2_receive_raw(mobilebackup2, &code, 1, &r);
+			} else {
+				break;
+			}
+		}
+		fclose(f);
+
+		file_count++;
+		if (backup_total_size > 0)
+			print_progress(((double)backup_real_size/(double)backup_total_size)*100);
+		if (nlen == 0) {
+			break;
+		}
+
+		/* check if an error message was received */
+		if (code == CODE_ERROR_MSG) {
+			/* error message */
+			char *msg = (char*)malloc(nlen);
+			mobilebackup2_receive_raw(mobilebackup2, msg, nlen-1, &r);
+			msg[r] = 0;
+			fprintf(stdout, "\nReceived an error message from device: %s\n", msg);
+			free(msg);
+		}
+	} while (1);
+	if ((int)nlen-1 > 0) {
+		printf("trashing padding\n");
+		fname = (char*)malloc(nlen-1);
+		mobilebackup2_receive_raw(mobilebackup2, fname, nlen-1, &r);
+		debug_buf(fname, r);
+		free(fname);
+	}
+	// TODO error handling?!
+	mobilebackup2_send_status_response(mobilebackup2, 0, NULL, plist_new_dict());
+	return file_count;
+}
+
+static void handle_list_directory(plist_t message, const char *backup_dir)
+{
+	if (!message || (plist_get_node_type(message) != PLIST_ARRAY) || plist_array_get_size(message) < 2 || !backup_dir) return;
+
+	/* TODO implement, for now we just return an empty listing */
+	mobilebackup2_error_t err = mobilebackup2_send_status_response(mobilebackup2, 0, NULL, plist_new_dict());
+	if (err != MOBILEBACKUP2_E_SUCCESS) {
+		printf("Could not send status response, error %d\n", err);
+	}
+}
+
+static void handle_make_directory(plist_t message, const char *backup_dir)
+{
+	if (!message || (plist_get_node_type(message) != PLIST_ARRAY) || plist_array_get_size(message) < 2 || !backup_dir) return;
+
+	plist_t dir = plist_array_get_item(message, 1);
+	char *str = NULL;
+	int errcode = 0;
+	char *errdesc = NULL;
+	plist_get_string_val(dir, &str);
+
+	gchar *newpath = g_build_path(G_DIR_SEPARATOR_S, backup_dir, str, NULL);
+	g_free(str);
+
+	if (mkdir(newpath, 0755) < 0) {
+		errdesc = strerror(errno);
+		if (errno != EEXIST) {
+			printf("mkdir: %s (%d)\n", errdesc, errno);
+		}
+		errcode = errno_to_device_error(errno);
+	}
+	g_free(newpath);
+	mobilebackup2_error_t err = mobilebackup2_send_status_response(mobilebackup2, errcode, errdesc, NULL);
+	if (err != MOBILEBACKUP2_E_SUCCESS) {
+		printf("Could not send status response, error %d\n", err);
+	}
+}
+
+/**
+ * signal handler function for cleaning up properly
+ */
+static void clean_exit(int sig)
+{
+	fprintf(stderr, "Exiting...\n");
+	quit_flag++;
+}
+
+static void print_usage(int argc, char **argv)
+{
+	char *name = NULL;
+	name = strrchr(argv[0], '/');
+	printf("Usage: %s [OPTIONS] CMD [DIRECTORY]\n", (name ? name + 1: argv[0]));
+	printf("Create or restore backup from the current or specified directory.\n\n");
+	printf("commands:\n");
+	printf("  backup\tSaves a device backup into DIRECTORY\n");
+	printf("  restore\tRestores a device backup from DIRECTORY.\n\n");
+	printf("options:\n");
+	printf("  -d, --debug\t\tenable communication debugging\n");
+	printf("  -u, --uuid UUID\ttarget specific device by its 40-digit device UUID\n");
+	printf("  -h, --help\t\tprints usage information\n");
+	printf("\n");
+}
+
+int main(int argc, char *argv[])
+{
+	idevice_error_t ret = IDEVICE_E_UNKNOWN_ERROR;
+	int i;
+	char uuid[41];
+	uint16_t port = 0;
+	uuid[0] = 0;
+	int cmd = -1;
+	int is_full_backup = 0;
+	char *backup_directory = NULL;
+	struct stat st;
+	//plist_t node = NULL;
+	plist_t node_tmp = NULL;
+	//plist_t manifest_plist = NULL;
+	plist_t info_plist = NULL;
+	//char *buffer = NULL;
+	//char *file_path = NULL;
+	//uint64_t length = 0;
+	//uint64_t backup_total_size = 0;
+	//enum device_link_file_status_t file_status = DEVICE_LINK_FILE_STATUS_NONE;
+//	uint64_t c = 0;
+	mobilebackup2_error_t err;
+	char *manifest_path = NULL;
+
+	/* we need to exit cleanly on running backups and restores or we cause havok */
+	signal(SIGINT, clean_exit);
+	signal(SIGQUIT, clean_exit);
+	signal(SIGTERM, clean_exit);
+	signal(SIGPIPE, SIG_IGN);
+
+	/* parse cmdline args */
+	for (i = 1; i < argc; i++) {
+		if (!strcmp(argv[i], "-d") || !strcmp(argv[i], "--debug")) {
+			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;
+			}
+			strcpy(uuid, argv[i]);
+			continue;
+		}
+		else if (!strcmp(argv[i], "-h") || !strcmp(argv[i], "--help")) {
+			print_usage(argc, argv);
+			return 0;
+		}
+		else if (!strcmp(argv[i], "backup")) {
+			cmd = CMD_BACKUP;
+		}
+		else if (!strcmp(argv[i], "restore")) {
+			cmd = CMD_RESTORE;
+		}
+		else if (backup_directory == NULL) {
+			backup_directory = argv[i];
+		}
+		else {
+			print_usage(argc, argv);
+			return 0;
+		}
+	}
+
+	/* verify options */
+	if (cmd == -1) {
+		printf("No command specified.\n");
+		print_usage(argc, argv);
+		return -1;
+	}
+
+	if (backup_directory == NULL) {
+		printf("No target backup directory specified.\n");
+		print_usage(argc, argv);
+		return -1;
+	}
+
+	/* verify if passed backup directory exists */
+	if (stat(backup_directory, &st) != 0) {
+		printf("ERROR: Backup directory \"%s\" does not exist!\n", backup_directory);
+		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;
+		}
+	}
+	else
+	{
+		ret = idevice_new(&phone, NULL);
+		if (ret != IDEVICE_E_SUCCESS) {
+			printf("No device found, is it plugged in?\n");
+			return -1;
+		}
+		char *newuuid = NULL;
+		idevice_get_uuid(phone, &newuuid);
+		strcpy(uuid, newuuid);
+		free(newuuid);
+	}
+
+	/* backup directory must contain an Info.plist */
+	gchar *info_path = g_build_path(G_DIR_SEPARATOR_S, backup_directory, uuid, "Info.plist", NULL);
+	if (cmd == CMD_RESTORE) {
+		if (stat(info_path, &st) != 0) {
+			g_free(info_path);
+			printf("ERROR: Backup directory \"%s\" is invalid. No Info.plist found.\n", backup_directory);
+			return -1;
+		}
+	} else if (cmd == CMD_BACKUP) {
+		is_full_backup = 1;
+	}
+
+	printf("Backup directory is \"%s\"\n", backup_directory);
+
+	if (LOCKDOWN_E_SUCCESS != lockdownd_client_new_with_handshake(phone, &client, "idevicebackup")) {
+		idevice_free(phone);
+		return -1;
+	}
+
+	/* start notification_proxy */
+	np_client_t np = NULL;
+	ret = lockdownd_start_service(client, NP_SERVICE_NAME, &port);
+	if ((ret == LOCKDOWN_E_SUCCESS) && port) {
+		np_client_new(phone, port, &np);
+		np_set_notify_callback(np, notify_cb, NULL);
+		const char *noties[5] = {
+			NP_SYNC_CANCEL_REQUEST,
+			NP_SYNC_SUSPEND_REQUEST,
+			NP_SYNC_RESUME_REQUEST,
+			NP_BACKUP_DOMAIN_CHANGED,
+			NULL
+		};
+		np_observe_notifications(np, noties);
+	} else {
+		printf("ERROR: Could not start service %s.\n", NP_SERVICE_NAME);
+	}
+
+	afc_client_t afc = NULL;
+	if (cmd == CMD_BACKUP) {
+		/* start AFC, we need this for the lock file */
+		port = 0;
+		ret = lockdownd_start_service(client, "com.apple.afc", &port);
+		if ((ret == LOCKDOWN_E_SUCCESS) && port) {
+			afc_client_new(phone, port, &afc);
+		}
+	}
+
+	/* start mobilebackup service and retrieve port */
+	port = 0;
+	ret = lockdownd_start_service(client, MOBILEBACKUP2_SERVICE_NAME, &port);
+	if ((ret == LOCKDOWN_E_SUCCESS) && port) {
+		printf("Started \"%s\" service on port %d.\n", MOBILEBACKUP2_SERVICE_NAME, port);
+		mobilebackup2_client_new(phone, port, &mobilebackup2);
+
+		/* send Hello message */
+		err = mobilebackup2_version_exchange(mobilebackup2);
+		if (err != MOBILEBACKUP2_E_SUCCESS) {
+			printf("Could not perform backup protocol version exchange, error code %d\n", err);
+			cmd = CMD_LEAVE;
+			goto checkpoint;
+		}
+
+		/* check abort conditions */
+		if (quit_flag > 0) {
+			printf("Aborting backup. Cancelled by user.\n");
+			cmd = CMD_LEAVE;
+			goto checkpoint;
+		}
+
+		/* verify existing Info.plist */
+		if (stat(info_path, &st) == 0) {
+			printf("Reading Info.plist from backup.\n");
+			plist_read_from_filename(&info_plist, info_path);
+
+			if (!info_plist) {
+				printf("Could not read Info.plist\n");
+				is_full_backup = 1;
+			}
+			if (info_plist && (cmd == CMD_BACKUP)) {
+				if (mobilebackup_info_is_current_device(info_plist)) {
+					/* update the last backup time within Info.plist */
+					mobilebackup_info_update_last_backup_date(info_plist);
+					remove(info_path);
+					plist_write_to_filename(info_plist, info_path, PLIST_FORMAT_XML);
+				} else {
+					printf("Aborting backup. Backup is not compatible with the current device.\n");
+					cmd = CMD_LEAVE;
+				}
+			} else if (info_plist && (cmd == CMD_RESTORE)) {
+				if (!mobilebackup_info_is_current_device(info_plist)) {
+					printf("Aborting restore. Backup data is not compatible with the current device.\n");
+					cmd = CMD_LEAVE;
+				}
+			}
+		} else {
+			if (cmd == CMD_RESTORE) {
+				printf("Aborting restore. Info.plist is missing.\n");
+				cmd = CMD_LEAVE;
+			} else {
+				is_full_backup = 1;
+			}
+		}
+
+		uint64_t lockfile = 0;
+		if (cmd == CMD_BACKUP) {
+			do_post_notification(NP_SYNC_WILL_START);
+			afc_file_open(afc, "/com.apple.itunes.lock_sync", AFC_FOPEN_RW, &lockfile);
+		}
+		if (lockfile) {
+			afc_error_t aerr;
+			do_post_notification(NP_SYNC_LOCK_REQUEST);
+			for (i = 0; i < LOCK_ATTEMPTS; i++) {
+				aerr = afc_file_lock(afc, lockfile, AFC_LOCK_EX);
+				if (aerr == AFC_E_SUCCESS) {
+					do_post_notification(NP_SYNC_DID_START);
+					break;
+				} else if (aerr == AFC_E_OP_WOULD_BLOCK) {
+					usleep(LOCK_WAIT);
+					continue;
+				} else {
+					fprintf(stderr, "ERROR: could not lock file! error code: %d\n", aerr);
+					afc_file_close(afc, lockfile);
+					lockfile = 0;
+					cmd = CMD_LEAVE;
+				}
+			}
+			if (i == LOCK_ATTEMPTS) {
+				fprintf(stderr, "ERROR: timeout while locking for sync\n");
+				afc_file_close(afc, lockfile);
+				lockfile = 0;
+				cmd = CMD_LEAVE;
+			}
+		}
+
+		/* Manifest.plist (backup manifest (backup state)) */
+		manifest_path = g_build_path(G_DIR_SEPARATOR_S, backup_directory, uuid, "Manifest.plist", NULL);
+
+checkpoint:
+
+		switch(cmd) {
+			case CMD_BACKUP:
+			printf("Starting backup...\n");
+			/* TODO: check domain com.apple.mobile.backup key RequiresEncrypt and WillEncrypt with lockdown */
+			/* TODO: verify battery on AC enough battery remaining */	
+			gchar *device_backup_dir = g_build_path(G_DIR_SEPARATOR_S, backup_directory, uuid, NULL);
+			if (mobilebackup_read_status(device_backup_dir) <= 0) {
+				gchar *status_plist = g_build_path(G_DIR_SEPARATOR_S, backup_directory, uuid, "Status.plist", NULL);
+				remove(status_plist);
+				g_free(status_plist);
+			}
+			g_free(device_backup_dir);
+
+			/* read the last Manifest.plist */
+			/*
+			if (!is_full_backup) {
+				printf("Reading existing Manifest.\n");
+				plist_read_from_filename(&manifest_plist, manifest_path);
+				if (!manifest_plist) {
+					printf("Could not read Manifest.plist, switching to full backup mode.\n");
+					is_full_backup = 1;
+				}
+			}*/
+
+			/* Info.plist (Device infos, IC-Info.sidb, photos, app_ids, iTunesPrefs) */
+
+			/* create new Info.plist on new backups */
+			if (is_full_backup) {
+				if (info_plist) {
+					plist_free(info_plist);
+					info_plist = NULL;
+				}
+				remove(info_path);
+				printf("Creating Info.plist for new backup.\n");
+				info_plist = mobilebackup_factory_info_plist_new();
+				plist_write_to_filename(info_plist, info_path, PLIST_FORMAT_XML);
+			}
+			g_free(info_path);
+
+			plist_free(info_plist);
+			info_plist = NULL;
+
+			/* close down the lockdown connection as it is no longer needed */
+			if (client) {
+				lockdownd_client_free(client);
+				client = NULL;
+			}
+
+			/* create Status.plist with failed status for now */
+			//mobilebackup_write_status(backup_directory, 0);
+
+			/* request backup from device with manifest from last backup */
+			printf("Requesting backup from device...\n");
+
+			err = mobilebackup2_request_backup(mobilebackup2, uuid);
+			if (err == MOBILEBACKUP2_E_SUCCESS) {
+				/*if (is_full_backup)
+					printf("Full backup mode.\n");
+				else
+					printf("Incremental backup mode.\n");*/
+				//printf("Please wait. Device is preparing backup data...\n");
+			} else {
+				if (err == MOBILEBACKUP2_E_BAD_VERSION) {
+					printf("ERROR: Could not start backup process: backup protocol version mismatch!\n");
+				} else if (err == MOBILEBACKUP2_E_REPLY_NOT_OK) {
+					printf("ERROR: Could not start backup process: device refused to start the backup process.\n");
+				} else {
+					printf("ERROR: Could not start backup process: unspecified error occured\n");
+				}
+				break;
+			}
+
+			/* reset backup status */
+			int backup_ok = 0;
+			plist_t message = NULL;
+
+			/* TODO receive and save DLSendFile files and metadata, ACK each */
+			char *dlmsg = NULL;
+			/*uint64_t file_size = 0;
+			uint64_t file_size_current = 0;*/
+			int file_count = 0;
+			/*int hunk_index = 0;
+			uint64_t backup_real_size = 0;
+			char *file_ext = NULL;
+			char *filename_mdinfo = NULL;
+			char *filename_mddata = NULL;
+			char *filename_source = NULL;
+			char *format_size = NULL;
+			gboolean is_manifest = FALSE;
+			uint8_t b = 0;*/
+			int errcode = 0;
+			const char *errdesc = NULL;
+
+			/* process series of DLMessage* operations */
+			do {
+				if (dlmsg) {
+					free(dlmsg);
+					dlmsg = NULL;
+				}
+				mobilebackup2_receive_message(mobilebackup2, &message, &dlmsg);
+				if (!message || !dlmsg) {
+					printf("Device is not ready yet. Going to try again in 2 seconds...\n");
+					sleep(2);
+					goto files_out;
+				}
+				
+				//node = plist_array_get_item(message, 0);
+
+				if (!strcmp(dlmsg, "DLMessageDownloadFiles")) {
+					/* device wants to download files from the computer */
+					handle_send_files(message, backup_directory);
+				} else if (!strcmp(dlmsg, "DLMessageUploadFiles")) {
+					/* device wants to send files to the computer */
+					file_count += handle_receive_files(message, backup_directory);
+				} else if (!strcmp(dlmsg, "DLContentsOfDirectory")) {
+					/* list directory contents */
+					handle_list_directory(message, backup_directory);
+				} else if (!strcmp(dlmsg, "DLMessageCreateDirectory")) {
+					/* make a directory */
+					handle_make_directory(message, backup_directory);
+				} else if (!strcmp(dlmsg, "DLMessageMoveFiles")) {
+					/* perform a series of rename operations */
+					plist_t moves = plist_array_get_item(message, 1);
+					uint32_t cnt = plist_dict_get_size(moves);
+					printf("Moving %d file%s\n", cnt, (cnt == 1) ? "" : "s");
+					plist_dict_iter iter = NULL;
+					plist_dict_new_iter(moves, &iter);
+					errcode = 0;
+					errdesc = NULL;
+					if (iter) {
+						char *key = NULL;
+						plist_t val = NULL;
+						do {
+							plist_dict_next_item(moves, iter, &key, &val);
+							if (key && (plist_get_node_type(val) == PLIST_STRING)) {
+								char *str = NULL;
+								plist_get_string_val(val, &str);
+								if (str) {
+									gchar *newpath = g_build_path(G_DIR_SEPARATOR_S, backup_directory, str, NULL);
+									g_free(str);
+									gchar *oldpath = g_build_path(G_DIR_SEPARATOR_S, backup_directory, key, NULL);
+
+									remove(newpath);
+									//fprintf(stderr, "Moving '%s' to '%s'\n", oldpath, newpath);
+									if (rename(oldpath, newpath) < 0) {
+										printf("Renameing '%s' to '%s' failed: %s (%d)\n", oldpath, newpath, strerror(errno), errno);
+										errcode = -errno;
+										errdesc = strerror(errno);
+										break;
+									}
+									g_free(oldpath);
+									g_free(newpath);
+								}
+								free(key);
+								key = NULL;
+							}
+						} while (val);
+						free(iter);
+					} else {
+						errcode = -1;
+						errdesc = "Could not create dict iterator";
+						printf("Could not create dict iterator\n");
+					}
+					err = mobilebackup2_send_status_response(mobilebackup2, errcode, errdesc, plist_new_dict());
+					if (err != MOBILEBACKUP2_E_SUCCESS) {
+						printf("Could not send status response, error %d\n", err);
+					}
+				} else if (!strcmp(dlmsg, "DLMessageRemoveFiles")) {
+					plist_t removes = plist_array_get_item(message, 1);
+					uint32_t cnt = plist_array_get_size(removes);
+					printf("Removing %d file%s\n", cnt, (cnt == 1) ? "" : "s");
+					uint32_t ii = 0;
+					errcode = 0;
+					errdesc = NULL;
+					for (ii = 0; ii < cnt; ii++) {
+						plist_t val = plist_array_get_item(removes, ii);
+						if (plist_get_node_type(val) == PLIST_STRING) {
+							char *str = NULL;
+							plist_get_string_val(val, &str);
+							if (str) {
+								gchar *newpath = g_build_path(G_DIR_SEPARATOR_S, backup_directory, str, NULL);
+								g_free(str);
+								if (remove(newpath) < 0) {
+									printf("Could not remove '%s': %s (%d)\n", newpath, strerror(errno), errno);
+									//errcode = -errno;
+									//errdesc = strerror(errno);
+								}
+								g_free(newpath);
+							}
+						}
+					}
+					err = mobilebackup2_send_status_response(mobilebackup2, errcode, errdesc, plist_new_dict());
+					if (err != MOBILEBACKUP2_E_SUCCESS) {
+						printf("Could not send status response, error %d\n", err);
+					}
+				} else if (!strcmp(dlmsg, "DLMessageProcessMessage")) {
+					node_tmp = plist_array_get_item(message, 1);
+					if (plist_get_node_type(node_tmp) != PLIST_DICT) {
+						printf("Unknown message received!\n");
+					}
+					plist_t nn;
+					int error_code = -1;
+					nn = plist_dict_get_item(node_tmp, "ErrorCode");
+					if (nn && (plist_get_node_type(nn) == PLIST_UINT)) {
+						uint64_t ec = 0;
+						plist_get_uint_val(nn, &ec);
+						error_code = (uint32_t)ec;
+						if (error_code == 0) {
+							backup_ok = 1;
+						}
+					}
+					nn = plist_dict_get_item(node_tmp, "ErrorDescription");
+					char *str = NULL;
+					if (nn && (plist_get_node_type(nn) == PLIST_STRING)) {
+						plist_get_string_val(nn, &str);
+					}
+					if (error_code != 0) {
+						if (str) {
+							printf("ErrorCode %d: Description: %s\n", error_code, str);
+						} else {
+							printf("ErrorCode %d: (Unknown)\n", error_code);
+						}
+					}
+					if (str) {
+						free(str);
+					}
+					break;
+				}
+
+				/* print status */
+				/*if (plist_array_get_size(message) >= 4) {
+					plist_t pnode = plist_array_get_item(message, 4);
+					if (pnode && (plist_get_node_type(pnode) == PLIST_REAL)) {
+						double progress = 0.0;
+						plist_get_real_val(pnode, &progress);
+						printf("Progress: %f\n", progress);
+					}
+				}*/
+
+#if 0
+				/* get out if we don't get a DLSendFile */
+				if (plist_strcmp(node, "DLSendFile"))
+					break;
+
+				node_tmp = plist_array_get_item(message, 2);
+
+				/* first message hunk contains total backup size */
+				if ((hunk_index == 0) && (file_index == 0)) {
+					node = plist_dict_get_item(node_tmp, "BackupTotalSizeKey");
+					if (node) {
+						plist_get_uint_val(node, &backup_total_size);
+						format_size = g_format_size_for_display(backup_total_size);
+						printf("Backup data requires %s on the disk.\n", format_size);
+						g_free(format_size);
+					}
+				}
+
+				/* check DLFileStatusKey (codes: 1 = Hunk, 2 = Last Hunk) */
+				node = plist_dict_get_item(node_tmp, "DLFileStatusKey");
+				plist_get_uint_val(node, &c);
+				file_status = c;
+
+				/* get source filename */
+				node = plist_dict_get_item(node_tmp, "BackupManifestKey");
+				b = 0;
+				if (node) {
+					plist_get_bool_val(node, &b);
+				}
+				is_manifest = (b == 1) ? TRUE: FALSE;
+
+				if ((hunk_index == 0) && (!is_manifest)) {
+					/* get source filename */
+					node = plist_dict_get_item(node_tmp, "DLFileSource");
+					plist_get_string_val(node, &filename_source);
+
+					/* increase received size */
+					node = plist_dict_get_item(node_tmp, "DLFileAttributesKey");
+					node = plist_dict_get_item(node, "FileSize");
+					plist_get_uint_val(node, &file_size);
+					backup_real_size += file_size;
+
+					format_size = g_format_size_for_display(backup_real_size);
+					printf("(%s", format_size);
+					g_free(format_size);
+
+					format_size = g_format_size_for_display(backup_total_size);
+					printf("/%s): ", format_size);
+					g_free(format_size);
+
+					format_size = g_format_size_for_display(file_size);
+					printf("Receiving file %s (%s)... \n", filename_source, format_size);
+					g_free(format_size);
+
+					if (filename_source)
+						free(filename_source);
+				}
+
+				/* check if we completed a file */
+				if ((file_status == DEVICE_LINK_FILE_STATUS_LAST_HUNK) && (!is_manifest)) {
+					/* save <hash>.mdinfo */
+					node = plist_dict_get_item(node_tmp, "BackupFileInfo");
+					if (node) {
+						node = plist_dict_get_item(node_tmp, "DLFileDest");
+						plist_get_string_val(node, &file_path);
+
+						filename_mdinfo = mobilebackup_build_path(backup_directory, file_path, ".mdinfo");
+
+						/* remove any existing file */
+						if (stat(filename_mdinfo, &st) == 0)
+							remove(filename_mdinfo);
+
+						node = plist_dict_get_item(node_tmp, "BackupFileInfo");
+						plist_write_to_filename(node, filename_mdinfo, PLIST_FORMAT_BINARY);
+
+						g_free(filename_mdinfo);
+					}
+
+					file_index++;
+				}
+
+				/* save <hash>.mddata */
+				node = plist_dict_get_item(node_tmp, "BackupFileInfo");
+				if (node_tmp) {
+					node = plist_dict_get_item(node_tmp, "DLFileDest");
+					plist_get_string_val(node, &file_path);
+
+					filename_mddata = mobilebackup_build_path(backup_directory, file_path, is_manifest ? NULL: ".mddata");
+
+					/* if this is the first hunk, remove any existing file */
+					if ((hunk_index == 0) && (stat(filename_mddata, &st) == 0))
+						remove(filename_mddata);
+
+					/* get file data hunk */
+					node_tmp = plist_array_get_item(message, 1);
+					plist_get_data_val(node_tmp, &buffer, &length);
+
+					buffer_write_to_filename(filename_mddata, buffer, length);
+					if (!is_manifest)
+						file_size_current += length;
+
+					/* activate currently sent manifest */
+					if ((file_status == DEVICE_LINK_FILE_STATUS_LAST_HUNK) && (is_manifest)) {
+						rename(filename_mddata, manifest_path);
+					}
+
+					free(buffer);
+					buffer = NULL;
+
+					g_free(filename_mddata);
+				}
+
+				if ((!is_manifest)) {
+					if (hunk_index == 0 && file_status == DEVICE_LINK_FILE_STATUS_LAST_HUNK) {
+							print_progress(100);
+					} else {
+						if (file_size > 0)
+							print_progress((double)((file_size_current*100)/file_size));
+					}
+				}
+
+				hunk_index++;
+
+				if (file_ext)
+					free(file_ext);
+#endif
+				if (message)
+					plist_free(message);
+				message = NULL;
+
+#if 0
+				if (file_status == DEVICE_LINK_FILE_STATUS_LAST_HUNK) {
+					/* acknowlegdge that we received the file */
+					mobilebackup_send_backup_file_received(mobilebackup);
+					/* reset hunk_index */
+					hunk_index = 0;
+					if (!is_manifest) {
+						file_size_current = 0;
+						file_size = 0;
+					}
+				}
+#endif
+
+files_out:
+				if (quit_flag > 0) {
+					/* need to cancel the backup here */
+					//mobilebackup_send_error(mobilebackup, "Cancelling DLSendFile");
+
+					/* remove any atomic Manifest.plist.tmp */
+					if (manifest_path)
+						g_free(manifest_path);
+
+					/*manifest_path = mobilebackup_build_path(backup_directory, "Manifest", ".plist.tmp");
+					if (stat(manifest_path, &st) == 0)
+						remove(manifest_path);*/
+					break;
+				}
+			} while (1);
+
+			printf("Received %d files from device.\n", file_count);
+#if 0
+			if (!quit_flag && !plist_strcmp(node, "DLMessageProcessMessage")) {
+				node_tmp = plist_array_get_item(message, 1);
+				node = plist_dict_get_item(node_tmp, "BackupMessageTypeKey");
+				/* check if we received the final "backup finished" message */
+				if (node && !plist_strcmp(node, "BackupMessageBackupFinished")) {
+					/* backup finished */
+
+					/* process BackupFilesToDeleteKey */
+					node = plist_dict_get_item(node_tmp, "BackupFilesToDeleteKey");
+					if (node) {
+						length = plist_array_get_size(node);
+						i = 0;
+						while ((node_tmp = plist_array_get_item(node, i++)) != NULL) {
+							plist_get_string_val(node_tmp, &file_path);
+
+							if (mobilebackup_delete_backup_file_by_hash(backup_directory, file_path)) {
+								printf("DONE\n");
+							} else
+								printf("FAILED\n");
+						}
+					}
+
+					/* save last valid Manifest.plist */
+					node_tmp = plist_array_get_item(message, 1);
+					manifest_plist = plist_dict_get_item(node_tmp, "BackupManifestKey");
+					if (manifest_plist) {
+						remove(manifest_path);
+						printf("Storing Manifest.plist...\n");
+						plist_write_to_filename(manifest_plist, manifest_path, PLIST_FORMAT_XML);
+					}
+
+					backup_ok = 1;
+				}
+			}
+#endif
+			if (backup_ok) {
+				// /* Status.plist (Info on how the backup process turned out) */
+				printf("Backup Successful.\n");
+				//mobilebackup_write_status(backup_directory, 1);
+			} else {
+				printf("Backup Failed.\n");
+			}
+
+			break;
+			case CMD_RESTORE:
+			/* close down the lockdown connection as it is no longer needed */
+			if (client) {
+				lockdownd_client_free(client);
+				client = NULL;
+			}
+
+			/* TODO: verify battery on AC enough battery remaining */
+
+			/* verify if Status.plist says we read from an successful backup */
+#if 0
+			if (mobilebackup_read_status(backup_directory) <= 0) {
+				printf("ERROR: Cannot ensure we restore from a successful backup. Aborting.\n");
+				break;
+			}
+			/* now make sure backup integrity is ok! verify all files */
+			printf("Reading existing Manifest.\n");
+			plist_read_from_filename(&manifest_plist, manifest_path);
+			if (!manifest_plist) {
+				printf("Could not read Manifest.plist. Aborting.\n");
+				break;
+			}
+
+			printf("Verifying backup integrity, please wait.\n");
+			char *bin = NULL;
+			uint64_t binsize = 0;
+			node = plist_dict_get_item(manifest_plist, "Data");
+			if (!node || (plist_get_node_type(node) != PLIST_DATA)) {
+				printf("Could not read Data key from Manifest.plist!\n");
+				break;
+			}
+			plist_get_data_val(node, &bin, &binsize);
+			plist_t backup_data = NULL;
+			if (bin) {
+				char *auth_ver = NULL;
+				unsigned char *auth_sig = NULL;
+				uint64_t auth_sig_len = 0;
+				/* verify AuthSignature */
+				node = plist_dict_get_item(manifest_plist, "AuthVersion");
+				plist_get_string_val(node, &auth_ver);
+				if (auth_ver && (strcmp(auth_ver, "2.0") == 0)) {
+					node = plist_dict_get_item(manifest_plist, "AuthSignature");
+					if (node && (plist_get_node_type(node) == PLIST_DATA)) {
+						plist_get_data_val(node, (char**)&auth_sig, &auth_sig_len);
+					}
+					if (auth_sig && (auth_sig_len == 20)) {
+						/* calculate the sha1, then compare */
+						unsigned char data_sha1[20];
+						sha1_of_data(bin, binsize, data_sha1);
+						if (compare_hash(auth_sig, data_sha1, 20)) {
+							printf("AuthSignature is valid\n");
+						} else {
+							printf("ERROR: AuthSignature is NOT VALID\n");
+						}
+					} else {
+						printf("Could not get AuthSignature from manifest!\n");
+					}
+					g_free(auth_sig);
+				} else if (auth_ver) {
+					printf("Unknown AuthVersion '%s', cannot verify AuthSignature\n", auth_ver); 
+				}
+				plist_from_bin(bin, (uint32_t)binsize, &backup_data);
+				g_free(bin);
+			}
+			if (!backup_data) {
+				printf("Could not read plist from Manifest.plist Data key!\n");
+				break;
+			}
+			plist_t files = plist_dict_get_item(backup_data, "Files");
+			if (files && (plist_get_node_type(files) == PLIST_DICT)) {
+				plist_dict_iter iter = NULL;
+				plist_dict_new_iter(files, &iter);
+				if (iter) {
+					/* loop over Files entries in Manifest data plist */
+					char *hash = NULL;
+					int file_ok = 0;
+					int total_files = plist_dict_get_size(files);
+					int cur_file = 1;
+					node = NULL;
+					plist_dict_next_item(files, iter, &hash, &node);
+					while (node) {
+						printf("Verifying file %d/%d (%d%%) \r", cur_file, total_files, (cur_file*100/total_files));
+						cur_file++;
+						/* make sure both .mddata/.mdinfo files are available for each entry */
+						file_ok = mobilebackup_check_file_integrity(backup_directory, hash, node);
+						node = NULL;
+						free(hash);
+						hash = NULL;
+						if (!file_ok) {
+							break;
+						}
+						plist_dict_next_item(files, iter, &hash, &node);
+					}
+					printf("\n");
+					free(iter);
+					if (!file_ok) {
+						plist_free(backup_data);
+						break;
+					}
+					printf("All backup files appear to be valid\n");
+				}
+			}
+
+			printf("Requesting restore from device...\n");
+
+			/* request restore from device with manifest (BackupMessageRestoreMigrate) */
+			int restore_flags = MB_RESTORE_NOTIFY_SPRINGBOARD | MB_RESTORE_PRESERVE_SETTINGS | MB_RESTORE_PRESERVE_CAMERA_ROLL;
+			err = mobilebackup_request_restore(mobilebackup, manifest_plist, restore_flags, "1.6");
+			if (err != MOBILEBACKUP_E_SUCCESS) {
+				if (err == MOBILEBACKUP_E_BAD_VERSION) {
+					printf("ERROR: Could not start restore process: backup protocol version mismatch!\n");
+				} else if (err == MOBILEBACKUP_E_REPLY_NOT_OK) {
+					printf("ERROR: Could not start restore process: device refused to start the restore process.\n");
+				} else {
+					printf("ERROR: Could not start restore process: unspecified error occured (%d)\n", err);
+				}
+				plist_free(backup_data);
+				break;
+			}
+
+			printf("Entered restore mode.\n");
+
+			int restore_ok = 0;
+
+			if (files && (plist_get_node_type(files) == PLIST_DICT)) {
+				plist_dict_iter iter = NULL;
+				plist_dict_new_iter(files, &iter);
+				if (iter) {
+					/* loop over Files entries in Manifest data plist */
+					char *hash = NULL;
+					plist_t file_info = NULL;
+					char *file_info_path = NULL;
+					int total_files = plist_dict_get_size(files);
+					int cur_file = 0;
+					uint64_t file_offset = 0;
+					uint8_t is_encrypted = 0;
+					plist_t tmp_node = NULL;
+					plist_t file_path_node = NULL;
+					plist_t send_file_node = NULL;
+					node = NULL;
+					plist_dict_next_item(files, iter, &hash, &node);
+					while (node) {
+						/* TODO: read mddata/mdinfo files and send to device using DLSendFile */
+						file_info_path = mobilebackup_build_path(backup_directory, hash, ".mdinfo");
+						plist_read_from_filename(&file_info, file_info_path);
+
+						/* get encryption state */
+						tmp_node = plist_dict_get_item(file_info, "IsEncrypted");
+						plist_get_bool_val(tmp_node, &is_encrypted);
+						tmp_node = NULL;
+
+						/* get real file path from metadata */
+						tmp_node = plist_dict_get_item(file_info, "Metadata");
+						plist_get_data_val(tmp_node, &buffer, &length);
+						tmp_node = NULL;
+						plist_from_bin(buffer, length, &tmp_node);
+						file_path_node = plist_dict_get_item(tmp_node, "Path");
+						plist_get_string_val(file_path_node, &file_path);
+
+						printf("Restoring file %s %d/%d (%d%%)... ", file_path, cur_file, total_files, (cur_file*100/total_files));
+
+						/* add additional device link file information keys */
+						plist_dict_insert_item(file_info, "DLFileAttributesKey", plist_copy(node));
+						plist_dict_insert_item(file_info, "DLFileSource", plist_new_string(file_info_path));
+						plist_dict_insert_item(file_info, "DLFileDest", plist_new_string("/tmp/RestoreFile.plist"));
+						plist_dict_insert_item(file_info, "DLFileIsEncrypted", plist_new_bool(is_encrypted));
+						plist_dict_insert_item(file_info, "DLFileOffsetKey", plist_new_uint(file_offset));
+						plist_dict_insert_item(file_info, "DLFileStatusKey", plist_new_uint(file_status));
+
+						/* read data from file */
+						free(file_info_path);
+						file_info_path = mobilebackup_build_path(backup_directory, hash, ".mddata");
+						buffer_read_from_filename(file_info_path, &buffer, &length);
+						free(file_info_path);
+
+						/* send DLSendFile messages */
+						file_offset = 0;
+						do {
+							if ((length-file_offset) <= 8192)
+								file_status = DEVICE_LINK_FILE_STATUS_LAST_HUNK;
+							else
+								file_status = DEVICE_LINK_FILE_STATUS_HUNK;
+							
+							plist_dict_remove_item(file_info, "DLFileOffsetKey");
+							plist_dict_insert_item(file_info, "DLFileOffsetKey", plist_new_uint(file_offset));
+
+							plist_dict_remove_item(file_info, "DLFileStatusKey");
+							plist_dict_insert_item(file_info, "DLFileStatusKey", plist_new_uint(file_status));
+
+							send_file_node = plist_new_array();
+
+							plist_array_append_item(send_file_node, plist_new_string("DLSendFile"));
+
+							if (file_status == DEVICE_LINK_FILE_STATUS_LAST_HUNK)
+								plist_array_append_item(send_file_node, plist_new_data(buffer+file_offset, length-file_offset));
+							else
+								plist_array_append_item(send_file_node, plist_new_data(buffer+file_offset, 8192));
+
+							plist_array_append_item(send_file_node, plist_copy(file_info));
+
+							err = mobilebackup_send(mobilebackup, send_file_node);
+							if (err != MOBILEBACKUP_E_SUCCESS) {
+								printf("ERROR: Unable to send file hunk due to error %d. Aborting...\n", err);
+								file_status = DEVICE_LINK_FILE_STATUS_NONE;
+							}
+
+							if (file_status == DEVICE_LINK_FILE_STATUS_LAST_HUNK) {
+								/* TODO: if all hunks of a file are sent, device must send ack */
+								err = mobilebackup_receive_restore_file_received(mobilebackup, NULL);
+								if (err != MOBILEBACKUP_E_SUCCESS) {
+									printf("ERROR: Did not receive an ack for the sent file due to error %d. Aborting...\n", err);
+									file_status = DEVICE_LINK_FILE_STATUS_NONE;
+								}
+							}
+
+							file_offset += 8192;
+
+							if (file_status == DEVICE_LINK_FILE_STATUS_LAST_HUNK)
+								printf("DONE\n");
+
+							plist_free(send_file_node);
+							
+							if (file_status == DEVICE_LINK_FILE_STATUS_NONE)
+								break;
+
+						} while((file_offset < length));
+
+						free(hash);
+						node = NULL;
+						hash = NULL;
+
+						restore_ok = 1;
+						if (file_status == DEVICE_LINK_FILE_STATUS_NONE) {
+							restore_ok = 0;
+							break;
+						}
+
+						cur_file++;
+						plist_dict_next_item(files, iter, &hash, &node);
+					}
+					free(iter);
+
+					printf("Restored %d files on device.\n", cur_file);
+				}
+			}
+			/* TODO: observe notification_proxy id com.apple.mobile.application_installed */
+			/* TODO: loop over Applications entries in Manifest data plist */
+			plist_t applications = plist_dict_get_item(backup_data, "Applications");
+			if (applications && (plist_get_node_type(applications) == PLIST_DICT) && restore_ok) {
+				plist_dict_iter iter = NULL;
+				plist_dict_new_iter(applications, &iter);
+				if (iter) {
+					/* loop over Application entries in Manifest data plist */
+					char *hash = NULL;
+					int total_files = plist_dict_get_size(applications);
+					int cur_file = 1;
+					plist_t tmp_node = NULL;
+					plist_t dict = NULL;
+					plist_t array = NULL;
+					node = NULL;
+					plist_dict_next_item(applications, iter, &hash, &node);
+					while (node) {
+						printf("Restoring Application %s %d/%d (%d%%)...", hash, cur_file, total_files, (cur_file*100/total_files));
+						/* FIXME: receive com.apple.mobile.application_installed notification */
+						/* send AppInfo entry */
+						tmp_node = plist_dict_get_item(node, "AppInfo");
+
+						dict = plist_new_dict();
+						plist_dict_insert_item(dict, "AppInfo", plist_copy(tmp_node));
+						plist_dict_insert_item(dict, "BackupMessageTypeKey", plist_new_string("BackupMessageRestoreApplicationSent"));
+
+						array = plist_new_array();
+						plist_array_append_item(array, plist_new_string("DLMessageProcessMessage"));
+						plist_array_append_item(array, dict);
+
+						err = mobilebackup_send(mobilebackup, array);
+						if (err != MOBILEBACKUP_E_SUCCESS) {
+							printf("ERROR: Unable to restore application %s due to error %d. Aborting...\n", hash, err);
+							restore_ok = 0;
+						}
+
+						plist_free(array);
+						array = NULL;
+						dict = NULL;
+
+						/* receive BackupMessageRestoreApplicationReceived from device */
+						if (restore_ok) {
+							err = mobilebackup_receive_restore_application_received(mobilebackup, NULL);
+							if (err != MOBILEBACKUP_E_SUCCESS) {
+								printf("ERROR: Failed to receive an ack from the device for this application due to error %d. Aborting...\n", err);
+								restore_ok = 0;
+							}
+						}
+
+						tmp_node = NULL;
+						node = NULL;
+						free(hash);
+						hash = NULL;
+
+						if (restore_ok) {
+							printf("DONE\n");
+							cur_file++;
+							plist_dict_next_item(applications, iter, &hash, &node);
+						} else
+							break;
+					}
+					free(iter);
+
+					if (restore_ok)
+						printf("All applications restored.\n");
+					else
+						printf("Failed to restore applications.\n");
+				}
+			}
+
+			plist_free(backup_data);
+
+			/* signal restore finished message to device; BackupMessageRestoreComplete */
+			if (restore_ok) {
+				err = mobilebackup_send_restore_complete(mobilebackup);
+				if (err != MOBILEBACKUP_E_SUCCESS) {
+					printf("ERROR: Could not send BackupMessageRestoreComplete, error code %d\n", err);
+					}
+			}
+
+			if (restore_ok) {
+				printf("Restore Successful.\n");
+			} else {
+				printf("Restore Failed.\n");
+			}
+#endif
+			break;
+			case CMD_LEAVE:
+			default:
+			break;
+		}
+		if (lockfile) {
+			afc_file_lock(afc, lockfile, AFC_LOCK_UN);
+			afc_file_close(afc, lockfile);
+			lockfile = 0;
+			do_post_notification(NP_SYNC_DID_FINISH);
+		}
+		if (manifest_path)
+			g_free(manifest_path);
+	} else {
+		printf("ERROR: Could not start service %s.\n", MOBILEBACKUP2_SERVICE_NAME);
+		lockdownd_client_free(client);
+		client = NULL;
+	}
+
+	if (client) {
+		lockdownd_client_free(client);
+		client = NULL;
+	}
+
+	if (afc)
+		afc_client_free(afc);
+
+	if (np)
+		np_client_free(np);
+
+	if (mobilebackup2)
+		mobilebackup2_client_free(mobilebackup2);
+
+	idevice_free(phone);
+
+	return 0;
+}
+