Merge commit 'martin-s/martin'

2 files changed, 960 insertions, 1 deletions

diff --git a/tools/Makefile.am b/tools/Makefile.am
index 7f1be1c..d19ef0c 100644
--- a/tools/Makefile.am
+++ b/tools/Makefile.am
@@ -3,7 +3,7 @@ INCLUDES = -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 = iphone_id iphoneinfo iphonesyslog
+bin_PROGRAMS = iphone_id iphoneinfo iphonesyslog iphonebackup
 
 iphoneinfo_SOURCES = iphoneinfo.c
 iphoneinfo_CFLAGS = $(AM_CFLAGS)
@@ -19,3 +19,9 @@ iphone_id_SOURCES = iphone_id.c
 iphone_id_CFLAGS = $(AM_CFLAGS)
 iphone_id_LDFLAGS = $(AM_LDFLAGS)
 iphone_id_LDADD = ../src/libiphone.la
+
+iphonebackup_SOURCES = iphonebackup.c
+iphonebackup_CFLAGS = $(AM_CFLAGS)
+iphonebackup_LDFLAGS = $(AM_LDFLAGS)
+iphonebackup_LDADD = ../src/libiphone.la
+
diff --git a/tools/iphonebackup.c b/tools/iphonebackup.c
new file mode 100644
index 0000000..bc61347
--- /dev/null
+++ b/tools/iphonebackup.c
@@ -0,0 +1,953 @@
+/*
+ * iphonebackup.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 <libiphone/libiphone.h>
+#include <libiphone/lockdown.h>
+#include <libiphone/mobilebackup.h>
+#include <libiphone/notification_proxy.h>
+#include <libiphone/afc.h>
+
+#define MOBILEBACKUP_SERVICE_NAME "com.apple.mobilebackup"
+#define NP_SERVICE_NAME "com.apple.mobile.notification_proxy"
+
+static mobilebackup_client_t mobilebackup = NULL;
+static lockdownd_client_t client = NULL;
+static iphone_device_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 notify_cb(const char *notification)
+{
+	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 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");
+	iphone_device_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, uint32_t *length)
+{
+	FILE *f;
+	uint64_t size;
+
+	f = fopen(filename, "rb");
+
+	fseek(f, 0, SEEK_END);
+	size = ftell(f);
+	rewind(f);
+
+	*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, uint32_t length)
+{
+	FILE *f;
+
+	f = fopen(filename, "ab");
+	fwrite(buffer, sizeof(char), length, f);
+	fclose(f);
+}
+
+static int plist_read_from_filename(plist_t *plist, const char *filename)
+{
+	char *buffer = NULL;
+	uint32_t length;
+
+	if (!filename)
+		return 0;
+
+	buffer_read_from_filename(filename, &buffer, &length);
+
+	if (!buffer) {
+		return 0;
+	}
+
+	if (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 plist_t device_link_message_factory_process_message_new(plist_t content)
+{
+	plist_t ret = plist_new_array();
+	plist_array_append_item(ret, plist_new_string("DLMessageProcessMessage"));
+	plist_array_append_item(ret, content);
+	return ret;
+}
+
+static void mobilebackup_cancel_backup_with_error(const char *reason)
+{
+	plist_t node = plist_new_dict();
+	plist_dict_insert_item(node, "BackupMessageTypeKey", plist_new_string("BackupMessageError"));
+	plist_dict_insert_item(node, "BackupErrorReasonKey", plist_new_string(reason));
+
+	plist_t message = device_link_message_factory_process_message_new(node);
+
+	mobilebackup_send(mobilebackup, message);
+
+	plist_free(message);
+	message = NULL;
+}
+
+static plist_t mobilebackup_factory_backup_file_received_new()
+{
+	plist_t node = plist_new_dict();
+	plist_dict_insert_item(node, "BackupMessageTypeKey", plist_new_string("kBackupMessageBackupFileReceived"));
+	return device_link_message_factory_process_message_new(node);
+}
+
+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_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("Removing \"%s\"... ", path);
+	if (!remove( path ))
+		ret = 1;
+	else
+		ret = 0;
+
+	g_free(path);
+
+	return ret;
+}
+
+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, "iphonebackup") != 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);
+	}
+}
+
+/**
+ * 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[])
+{
+	iphone_error_t ret = IPHONE_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;
+	uint64_t length = 0;
+	uint64_t backup_total_size = 0;
+	enum device_link_file_status_t file_status;
+	uint64_t c = 0;
+
+	/* 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")) {
+			iphone_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;
+	}
+
+	/* restore directory must contain an Info.plist */
+	char *info_path = mobilebackup_build_path(backup_directory, "Info", ".plist");
+	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;
+		}
+	}
+
+	printf("Backup directory is \"%s\"\n", backup_directory);
+
+	if (uuid[0] != 0) {
+		ret = iphone_device_new(&phone, uuid);
+		if (ret != IPHONE_E_SUCCESS) {
+			printf("No device found with uuid %s, is it plugged in?\n", uuid);
+			return -1;
+		}
+	}
+	else
+	{
+		ret = iphone_device_new(&phone, NULL);
+		if (ret != IPHONE_E_SUCCESS) {
+			printf("No device found, is it plugged in?\n");
+			return -1;
+		}
+	}
+
+	if (LOCKDOWN_E_SUCCESS != lockdownd_client_new_with_handshake(phone, &client, "iphonebackup")) {
+		iphone_device_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);
+		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);
+	}
+
+	/* start AFC, we need this for the lock file */
+	afc_client_t afc = NULL;
+	port = 0;
+	ret = lockdownd_start_service(client, "com.apple.afc", &port);
+	if ((ret == LOCKDOWN_E_SUCCESS) && port) {
+		afc_client_new(phone, port, &afc);
+	}
+
+	/* start syslog_relay service and retrieve port */
+	port = 0;
+	ret = lockdownd_start_service(client, MOBILEBACKUP_SERVICE_NAME, &port);
+	if ((ret == LOCKDOWN_E_SUCCESS) && port) {
+		printf("Started \"%s\" service on port %d.\n", MOBILEBACKUP_SERVICE_NAME, port);
+		mobilebackup_client_new(phone, port, &mobilebackup);
+
+		/* check abort conditions */
+		if (quit_flag > 0) {
+			printf("Aborting backup. Cancelled by user.\n");
+			cmd = CMD_LEAVE;
+		}
+
+		/* 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 (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 {
+			is_full_backup = 1;
+		}
+
+		do_post_notification(NP_SYNC_WILL_START);
+		uint64_t lockfile = 0;
+		afc_file_open(afc, "/com.apple.itunes.lock_sync", AFC_FOPEN_RW, &lockfile);
+		if (lockfile) {
+			do_post_notification(NP_SYNC_LOCK_REQUEST);
+			if (afc_file_lock(afc, lockfile, AFC_LOCK_EX) == AFC_E_SUCCESS) {
+				do_post_notification(NP_SYNC_DID_START);
+			} else {
+				afc_file_close(afc, lockfile);
+				lockfile = 0;
+			}
+		}
+
+		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 */	
+
+			/* Info.plist (Device infos, IC-Info.sidb, photos, app_ids, iTunesPrefs) */
+			/* create new Info.plist on new backups */
+			if (is_full_backup) {
+				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);
+
+			/* Manifest.plist (backup manifest (backup state)) */
+			char *manifest_path = mobilebackup_build_path(backup_directory, "Manifest", ".plist");
+
+			/* read the last Manifest.plist */
+			if (!is_full_backup) {
+				printf("Reading existing Manifest.\n");
+				plist_read_from_filename(&manifest_plist, manifest_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");
+
+			node = plist_new_dict();
+
+			if (manifest_plist)
+				plist_dict_insert_item(node, "BackupManifestKey", manifest_plist);
+
+			plist_dict_insert_item(node, "BackupComputerBasePathKey", plist_new_string("/"));
+			plist_dict_insert_item(node, "BackupMessageTypeKey", plist_new_string("BackupMessageBackupRequest"));
+			plist_dict_insert_item(node, "BackupProtocolVersion", plist_new_string("1.6"));
+
+			plist_t message = device_link_message_factory_process_message_new(node);
+			mobilebackup_send(mobilebackup, message);
+			plist_free(message);
+			message = NULL;
+			node = NULL;
+
+			/* get response */
+			int backup_ok = 0;
+			mobilebackup_receive(mobilebackup, &message);
+
+			node = plist_array_get_item(message, 0);
+			if (!plist_strcmp(node, "DLMessageProcessMessage")) {
+				node = plist_array_get_item(message, 1);
+				node = plist_dict_get_item(node, "BackupMessageTypeKey");
+				if (node && !plist_strcmp(node, "BackupMessageBackupReplyOK")) {
+					printf("Device accepts manifest and will send backup data now...\n");
+					backup_ok = 1;
+					printf("Acknowledging...\n");
+					if (is_full_backup)
+						printf("Full backup mode.\n");
+					else
+						printf("Incremental backup mode.\n");
+					printf("Please wait. Device prepares backup data...\n");
+					/* send it back for ACK */
+					mobilebackup_send(mobilebackup, message);
+				}
+			} else {
+				printf("ERROR: Unhandled message received!\n");
+			}
+			plist_free(message);
+			message = NULL;
+
+			if (!backup_ok) {
+				printf("ERROR: Device rejected to start the backup process.\n");
+				break;
+			}
+
+			/* reset backup status */
+			backup_ok = 0;
+
+			/* receive and save DLSendFile files and metadata, ACK each */
+			int file_index = 0;
+			int hunk_index = 0;
+			uint64_t backup_real_size = 0;
+			char *file_path = NULL;
+			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;
+
+			/* process series of DLSendFile messages */
+			do {
+				mobilebackup_receive(mobilebackup, &message);
+				node = plist_array_get_item(message, 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) {
+					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;
+
+				/* check if we completed a file */
+				if ((file_status == DEVICE_LINK_FILE_STATUS_LAST_HUNK) && (!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, &length);
+					backup_real_size += length;
+
+					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);
+
+					printf("Received file %s... ", filename_source);
+
+					if (filename_source)
+						free(filename_source);
+
+					/* 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 && file_path) {
+					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 (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);
+
+					/* 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);
+				}
+
+				hunk_index++;
+
+				if (file_ext)
+					free(file_ext);
+
+				if (message)
+					plist_free(message);
+				message = NULL;
+
+				if (file_status == DEVICE_LINK_FILE_STATUS_LAST_HUNK) {
+					if (!is_manifest)
+						printf("DONE\n");
+
+					/* acknowlegdge that we received the file */
+					message = mobilebackup_factory_backup_file_received_new();
+					mobilebackup_send(mobilebackup, message);
+					plist_free(message);
+					message = NULL;
+				}
+
+				if (quit_flag > 0) {
+					/* need to cancel the backup here */
+					mobilebackup_cancel_backup_with_error("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_index);
+
+			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;
+				}
+			}
+
+			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");
+			}
+
+			if (manifest_path)
+				g_free(manifest_path);
+
+			break;
+			case CMD_RESTORE:
+			printf("Restoring backup is NOT IMPLEMENTED.\n");
+			/* verify battery on AC enough battery remaining */
+			/* request restore from device with manifest (BackupMessageRestoreMigrate) */
+			/* read mddata/mdinfo files and send to devices using DLSendFile */
+			/* signal restore finished message to device */
+			/* close down lockdown connection as it is no longer needed */
+			lockdownd_client_free(client);
+			client = NULL;
+			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);
+		}
+	} else {
+		printf("ERROR: Could not start service %s.\n", MOBILEBACKUP_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 (mobilebackup)
+		mobilebackup_client_free(mobilebackup);
+
+	iphone_device_free(phone);
+
+	return 0;
+}
+