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/*
* MobileSync.c
* Contains functions for the built-in MobileSync client.
*
* Copyright (c) 2009 Jonathan Beck 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 <arpa/inet.h>
#include "MobileSync.h"
#include "iphone.h"
#include "utils.h"
#define MSYNC_VERSION_INT1 100
#define MSYNC_VERSION_INT2 100
mobilesync_error_t mobilesync_client_new(iphone_device_t device, int dst_port,
mobilesync_client_t * client)
{
if (!device || dst_port == 0 || !client || *client)
return MOBILESYNC_E_INVALID_ARG;
mobilesync_error_t ret = MOBILESYNC_E_UNKNOWN_ERROR;
/* Attempt connection */
iphone_connection_t connection = NULL;
if (iphone_device_connect(device, dst_port, &connection) != IPHONE_E_SUCCESS) {
return ret;
}
mobilesync_client_t client_loc = (mobilesync_client_t) malloc(sizeof(struct mobilesync_client_int));
client_loc->connection = connection;
/* perform handshake */
plist_t array = NULL;
/* first receive version */
ret = mobilesync_recv(client_loc, &array);
plist_t msg_node = plist_array_get_item(array, 0);
char* msg = NULL;
plist_type type = plist_get_node_type(msg_node);
if (PLIST_STRING == type) {
plist_get_string_val(msg_node, &msg);
}
if (PLIST_STRING != type || strcmp(msg, "DLMessageVersionExchange") || plist_array_get_size(array) < 3) {
log_debug_msg("%s: ERROR: MobileSync client expected a version exchange !\n", __func__);
}
free(msg);
msg = NULL;
plist_t ver_1 = plist_array_get_item(array, 1);
plist_t ver_2 = plist_array_get_item(array, 2);
plist_type ver_1_type = plist_get_node_type(ver_1);
plist_type ver_2_type = plist_get_node_type(ver_2);
if (PLIST_UINT == ver_1_type && PLIST_UINT == ver_2_type) {
uint64_t ver_1_val = 0;
uint64_t ver_2_val = 0;
plist_get_uint_val(ver_1, &ver_1_val);
plist_get_uint_val(ver_2, &ver_2_val);
plist_free(array);
array = NULL;
if (ver_1_type == PLIST_UINT && ver_2_type == PLIST_UINT && ver_1_val == MSYNC_VERSION_INT1
&& ver_2_val == MSYNC_VERSION_INT2) {
array = plist_new_array();
plist_array_append_item(array, plist_new_string("DLMessageVersionExchange"));
plist_array_append_item(array, plist_new_string("DLVersionsOk"));
ret = mobilesync_send(client_loc, array);
plist_free(array);
array = NULL;
ret = mobilesync_recv(client_loc, &array);
plist_t rep_node = plist_array_get_item(array, 0);
type = plist_get_node_type(rep_node);
if (PLIST_STRING == type) {
plist_get_string_val(rep_node, &msg);
}
if (PLIST_STRING != type || strcmp(msg, "DLMessageDeviceReady")) {
log_debug_msg("%s: ERROR: MobileSync client failed to start session !\n", __func__);
ret = MOBILESYNC_E_BAD_VERSION;
}
else
{
ret = MOBILESYNC_E_SUCCESS;
*client = client_loc;
}
free(msg);
msg = NULL;
plist_free(array);
array = NULL;
}
}
if (MOBILESYNC_E_SUCCESS != ret)
mobilesync_client_free(client_loc);
return ret;
}
static void mobilesync_disconnect(mobilesync_client_t client)
{
if (!client)
return;
plist_t array = plist_new_array();
plist_array_append_item(array, plist_new_string("DLMessageDisconnect"));
plist_array_append_item(array, plist_new_string("All done, thanks for the memories"));
mobilesync_send(client, array);
plist_free(array);
array = NULL;
}
mobilesync_error_t mobilesync_client_free(mobilesync_client_t client)
{
if (!client)
return IPHONE_E_INVALID_ARG;
mobilesync_disconnect(client);
return (iphone_device_disconnect(client->connection) == 0 ? MOBILESYNC_E_SUCCESS: MOBILESYNC_E_MUX_ERROR);
}
/** Polls the iPhone for MobileSync data.
*
* @param client The MobileSync client
* @param plist A pointer to the location where the plist should be stored
*
* @return an error code
*/
mobilesync_error_t mobilesync_recv(mobilesync_client_t client, plist_t * plist)
{
if (!client || !plist || (plist && *plist))
return MOBILESYNC_E_INVALID_ARG;
mobilesync_error_t ret = MOBILESYNC_E_UNKNOWN_ERROR;
char *receive = NULL;
uint32_t datalen = 0, bytes = 0, received_bytes = 0;
ret = iphone_device_recv(client->connection, (char *) &datalen, sizeof(datalen), &bytes);
datalen = ntohl(datalen);
receive = (char *) malloc(sizeof(char) * datalen);
/* fill buffer and request more packets if needed */
while ((received_bytes < datalen) && (ret == MOBILESYNC_E_SUCCESS)) {
ret = iphone_device_recv(client->connection, receive + received_bytes, datalen - received_bytes, &bytes);
received_bytes += bytes;
}
if (ret != MOBILESYNC_E_SUCCESS) {
free(receive);
return MOBILESYNC_E_MUX_ERROR;
}
plist_from_bin(receive, received_bytes, plist);
free(receive);
char *XMLContent = NULL;
uint32_t length = 0;
plist_to_xml(*plist, &XMLContent, &length);
log_dbg_msg(DBGMASK_MOBILESYNC, "%s: plist size: %i\nbuffer :\n%s\n", __func__, length, XMLContent);
free(XMLContent);
return ret;
}
/** Sends MobileSync data to the iPhone
*
* @note This function is low-level and should only be used if you need to send
* a new type of message.
*
* @param client The MobileSync client
* @param plist The location of the plist to send
*
* @return an error code
*/
mobilesync_error_t mobilesync_send(mobilesync_client_t client, plist_t plist)
{
if (!client || !plist)
return MOBILESYNC_E_INVALID_ARG;
char *XMLContent = NULL;
uint32_t length = 0;
plist_to_xml(plist, &XMLContent, &length);
log_dbg_msg(DBGMASK_MOBILESYNC, "%s: plist size: %i\nbuffer :\n%s\n", __func__, length, XMLContent);
free(XMLContent);
char *content = NULL;
length = 0;
plist_to_bin(plist, &content, &length);
char *real_query;
int bytes;
mobilesync_error_t ret = MOBILESYNC_E_UNKNOWN_ERROR;
real_query = (char *) malloc(sizeof(char) * (length + 4));
length = htonl(length);
memcpy(real_query, &length, sizeof(length));
memcpy(real_query + 4, content, ntohl(length));
ret = iphone_device_send(client->connection, real_query, ntohl(length) + sizeof(length), (uint32_t*)&bytes);
free(real_query);
return (ret == 0 ? MOBILESYNC_E_SUCCESS: MOBILESYNC_E_MUX_ERROR);
}
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