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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 "MobileSync.h"
#include <plist/plist.h>
#include <string.h>
#define MSYNC_VERSION_INT1 100
#define MSYNC_VERSION_INT2 100
iphone_error_t iphone_msync_new_client(iphone_device_t device, int src_port, int dst_port,
iphone_msync_client_t * client)
{
if (!device || src_port == 0 || dst_port == 0 || !client || *client)
return IPHONE_E_INVALID_ARG;
iphone_error_t ret = IPHONE_E_UNKNOWN_ERROR;
iphone_msync_client_t client_loc = (iphone_msync_client_t) malloc(sizeof(struct iphone_msync_client_int));
// Attempt connection
client_loc->connection = NULL;
ret = iphone_mux_new_client(device, src_port, dst_port, &client_loc->connection);
if (IPHONE_E_SUCCESS != ret || !client_loc->connection) {
free(client_loc);
return ret;
}
//perform handshake
int bytes = 0;
char *content = NULL;
uint32_t length = 0;
plist_t array = NULL;
//first receive version
ret = iphone_msync_recv(client_loc, &content, &bytes);
log_debug_msg("Receive msg :\nsize : %i\nbuffer :\n", bytes);
log_debug_buffer(content, bytes);
plist_from_bin(content, bytes, &array);
free(content);
content = NULL;
plist_t msg_node =
plist_find_node(array, PLIST_STRING, "DLMessageVersionExchange", strlen("DLMessageVersionExchange"));
plist_t ver_1 = plist_get_next_sibling(msg_node);
plist_t ver_2 = plist_get_next_sibling(ver_1);
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_add_sub_string_el(array, "DLMessageVersionExchange");
plist_add_sub_string_el(array, "DLVersionsOk");
plist_to_bin(array, &content, &length);
log_debug_msg("Send msg :\nsize : %i\nbuffer :\n", length);
log_debug_buffer(content, length);
ret = iphone_msync_send(client_loc, content, length, &bytes);
free(content);
content = NULL;
plist_free(array);
array = NULL;
ret = iphone_msync_recv(client_loc, &content, &bytes);
log_debug_msg("Receive msg :\nsize : %i\nbuffer :\n", bytes);
log_debug_buffer(content, bytes);
plist_from_bin(content, bytes, &array);
free(content);
content = NULL;
plist_t rep_node =
plist_find_node(array, PLIST_STRING, "DLMessageDeviceReady", strlen("DLMessageDeviceReady"));
if (rep_node) {
ret = IPHONE_E_SUCCESS;
*client = client_loc;
}
}
}
if (IPHONE_E_SUCCESS != ret)
iphone_msync_free_client(client_loc);
return ret;
}
static void iphone_msync_stop_session(iphone_msync_client_t client)
{
if (!client)
return;
int bytes = 0;
char *content = NULL;
uint32_t length = 0;
plist_t array = plist_new_array();
plist_add_sub_string_el(array, "DLMessageDisconnect");
plist_add_sub_string_el(array, "All done, thanks for the memories");
plist_to_bin(array, &content, &length);
log_debug_msg("Send msg :\nsize : %i\nbuffer :\n", length);
log_debug_buffer(content, length);
iphone_msync_send(client, content, length, &bytes);
free(content);
content = NULL;
plist_free(array);
array = NULL;
}
void iphone_msync_free_client(iphone_msync_client_t client)
{
iphone_msync_stop_session(client);
iphone_mux_free_client(client->connection);
}
/** Polls the iPhone for MobileSync data.
*
* @param client The MobileSync client
* @param dump_data The pointer to the location of the buffer in which to store
* the received data
* @param recv_byhtes The number of bytes received
*
* @return an error code
*/
iphone_error_t iphone_msync_recv(iphone_msync_client_t client, char **dump_data, uint32_t * recv_bytes)
{
if (!client || !dump_data || !recv_bytes)
return IPHONE_E_INVALID_ARG;
iphone_error_t ret = IPHONE_E_UNKNOWN_ERROR;
char *receive;
uint32_t datalen = 0, bytes = 0;
ret = iphone_mux_recv(client->connection, (char *) &datalen, sizeof(datalen), &bytes);
datalen = ntohl(datalen);
receive = (char *) malloc(sizeof(char) * datalen);
ret = iphone_mux_recv(client->connection, receive, datalen, &bytes);
*dump_data = receive;
*recv_bytes = bytes;
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 raw_data The null terminated string buffer to send
* @param length The length of data to send
* @param sent_bytes The number of bytes sent
*
* @return an error code
*/
iphone_error_t iphone_msync_send(iphone_msync_client_t client, char *raw_data, uint32_t length, uint32_t * sent_bytes)
{
if (!client || !raw_data || length == 0 || !sent_bytes)
return IPHONE_E_INVALID_ARG;
char *real_query;
int bytes;
iphone_error_t ret = IPHONE_E_UNKNOWN_ERROR;
real_query = (char *) malloc(sizeof(char) * (length + 4));
length = htonl(length);
memcpy(real_query, &length, sizeof(length));
memcpy(real_query + 4, raw_data, ntohl(length));
ret = iphone_mux_send(client->connection, real_query, ntohl(length) + sizeof(length), &bytes);
free(real_query);
*sent_bytes = bytes;
return ret;
}
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