FreeRDP/channels/cliprdr/client/cliprdr_main.c
2014-12-03 14:17:27 -05:00

990 lines
27 KiB
C

/**
* FreeRDP: A Remote Desktop Protocol Implementation
* Clipboard Virtual Channel
*
* Copyright 2009-2011 Jay Sorg
* Copyright 2010-2011 Vic Lee
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <winpr/crt.h>
#include <winpr/print.h>
#include <freerdp/types.h>
#include <freerdp/constants.h>
#include <freerdp/client/cliprdr.h>
#include "cliprdr_main.h"
#include "cliprdr_format.h"
const char* const CB_MSG_TYPE_STRINGS[] =
{
"",
"CB_MONITOR_READY",
"CB_FORMAT_LIST",
"CB_FORMAT_LIST_RESPONSE",
"CB_FORMAT_DATA_REQUEST",
"CB_FORMAT_DATA_RESPONSE",
"CB_TEMP_DIRECTORY",
"CB_CLIP_CAPS",
"CB_FILECONTENTS_REQUEST",
"CB_FILECONTENTS_RESPONSE",
"CB_LOCK_CLIPDATA"
"CB_UNLOCK_CLIPDATA"
};
CliprdrClientContext* cliprdr_get_client_interface(cliprdrPlugin* cliprdr)
{
CliprdrClientContext* pInterface;
pInterface = (CliprdrClientContext*) cliprdr->channelEntryPoints.pInterface;
return pInterface;
}
wStream* cliprdr_packet_new(UINT16 msgType, UINT16 msgFlags, UINT32 dataLen)
{
wStream* s;
s = Stream_New(NULL, dataLen + 8);
Stream_Write_UINT16(s, msgType);
Stream_Write_UINT16(s, msgFlags);
/* Write actual length after the entire packet has been constructed. */
Stream_Seek(s, 4);
return s;
}
void cliprdr_packet_send(cliprdrPlugin* cliprdr, wStream* s)
{
int pos;
UINT32 dataLen;
UINT32 status = 0;
pos = Stream_GetPosition(s);
dataLen = pos - 8;
Stream_SetPosition(s, 4);
Stream_Write_UINT32(s, dataLen);
Stream_SetPosition(s, pos);
#ifdef WITH_DEBUG_CLIPRDR
WLog_DBG(TAG, "Cliprdr Sending (%d bytes)", dataLen + 8);
winpr_HexDump(TAG, WLOG_DEBUG, Stream_Buffer(s), dataLen + 8);
#endif
if (!cliprdr)
{
status = CHANNEL_RC_BAD_INIT_HANDLE;
}
else
{
status = cliprdr->channelEntryPoints.pVirtualChannelWrite(cliprdr->OpenHandle,
Stream_Buffer(s), (UINT32) Stream_GetPosition(s), s);
}
if (status != CHANNEL_RC_OK)
{
Stream_Free(s, TRUE);
WLog_ERR(TAG, "cliprdr_packet_send: VirtualChannelWrite failed %d", status);
}
}
void cliprdr_print_general_capability_flags(UINT32 flags)
{
WLog_INFO(TAG, "generalFlags (0x%08X) {", flags);
if (flags & CB_USE_LONG_FORMAT_NAMES)
WLog_INFO(TAG, "\tCB_USE_LONG_FORMAT_NAMES");
if (flags & CB_STREAM_FILECLIP_ENABLED)
WLog_INFO(TAG, "\tCB_STREAM_FILECLIP_ENABLED");
if (flags & CB_FILECLIP_NO_FILE_PATHS)
WLog_INFO(TAG, "\tCB_FILECLIP_NO_FILE_PATHS");
if (flags & CB_CAN_LOCK_CLIPDATA)
WLog_INFO(TAG, "\tCB_CAN_LOCK_CLIPDATA");
WLog_INFO(TAG, "}");
}
static int cliprdr_process_general_capability(cliprdrPlugin* cliprdr, wStream* s)
{
UINT32 version;
UINT32 generalFlags;
CLIPRDR_CAPABILITIES capabilities;
CLIPRDR_GENERAL_CAPABILITY_SET generalCapabilitySet;
CliprdrClientContext* context = cliprdr_get_client_interface(cliprdr);
Stream_Read_UINT32(s, version); /* version (4 bytes) */
Stream_Read_UINT32(s, generalFlags); /* generalFlags (4 bytes) */
DEBUG_CLIPRDR("Version: %d", version);
#ifdef WITH_DEBUG_CLIPRDR
cliprdr_print_general_capability_flags(generalFlags);
#endif
if (cliprdr->useLongFormatNames)
cliprdr->useLongFormatNames = (generalFlags & CB_USE_LONG_FORMAT_NAMES) ? TRUE : FALSE;
if (cliprdr->streamFileClipEnabled)
cliprdr->streamFileClipEnabled = (generalFlags & CB_STREAM_FILECLIP_ENABLED) ? TRUE : FALSE;
if (cliprdr->fileClipNoFilePaths)
cliprdr->fileClipNoFilePaths = (generalFlags & CB_FILECLIP_NO_FILE_PATHS) ? TRUE : FALSE;
if (cliprdr->canLockClipData)
cliprdr->canLockClipData = (generalFlags & CB_CAN_LOCK_CLIPDATA) ? TRUE : FALSE;
cliprdr->capabilitiesReceived = TRUE;
if (!context->custom)
return -1;
capabilities.cCapabilitiesSets = 1;
capabilities.capabilitySets = (CLIPRDR_CAPABILITY_SET*) &(generalCapabilitySet);
generalCapabilitySet.capabilitySetType = CB_CAPSTYPE_GENERAL;
generalCapabilitySet.capabilitySetLength = 12;
generalCapabilitySet.version = version;
generalCapabilitySet.generalFlags = generalFlags;
if (context->ServerCapabilities)
context->ServerCapabilities(context, &capabilities);
return 1;
}
static int cliprdr_process_clip_caps(cliprdrPlugin* cliprdr, wStream* s, UINT16 length, UINT16 flags)
{
UINT16 index;
UINT16 lengthCapability;
UINT16 cCapabilitiesSets;
UINT16 capabilitySetType;
Stream_Read_UINT16(s, cCapabilitiesSets); /* cCapabilitiesSets (2 bytes) */
Stream_Seek_UINT16(s); /* pad1 (2 bytes) */
WLog_Print(cliprdr->log, WLOG_DEBUG, "ServerCapabilities");
for (index = 0; index < cCapabilitiesSets; index++)
{
Stream_Read_UINT16(s, capabilitySetType); /* capabilitySetType (2 bytes) */
Stream_Read_UINT16(s, lengthCapability); /* lengthCapability (2 bytes) */
switch (capabilitySetType)
{
case CB_CAPSTYPE_GENERAL:
cliprdr_process_general_capability(cliprdr, s);
break;
default:
WLog_ERR(TAG, "unknown cliprdr capability set: %d", capabilitySetType);
break;
}
}
return 1;
}
static int cliprdr_process_monitor_ready(cliprdrPlugin* cliprdr, wStream* s, UINT16 length, UINT16 flags)
{
CLIPRDR_MONITOR_READY monitorReady;
CliprdrClientContext* context = cliprdr_get_client_interface(cliprdr);
WLog_Print(cliprdr->log, WLOG_DEBUG, "MonitorReady");
if (!context->custom)
return -1;
if (!cliprdr->capabilitiesReceived)
{
/**
* The clipboard capabilities pdu from server to client is optional,
* but a server using it must send it before sending the monitor ready pdu.
* When the server capabilities pdu is not used, default capabilities
* corresponding to a generalFlags field set to zero are assumed.
*/
cliprdr->useLongFormatNames = FALSE;
cliprdr->streamFileClipEnabled = FALSE;
cliprdr->fileClipNoFilePaths = TRUE;
cliprdr->canLockClipData = FALSE;
}
monitorReady.msgType = CB_MONITOR_READY;
monitorReady.msgFlags = flags;
monitorReady.dataLen = length;
if (context->MonitorReady)
context->MonitorReady(context, &monitorReady);
return 1;
}
static int cliprdr_process_filecontents_request(cliprdrPlugin* cliprdr, wStream* s, UINT32 length, UINT16 flags)
{
CLIPRDR_FILE_CONTENTS_REQUEST request;
CliprdrClientContext* context = cliprdr_get_client_interface(cliprdr);
WLog_Print(cliprdr->log, WLOG_DEBUG, "FileContentsRequest");
if (!context->custom)
return -1;
if (Stream_GetRemainingLength(s) < 28)
return -1;
request.msgType = CB_FILECONTENTS_REQUEST;
request.msgFlags = flags;
request.dataLen = length;
Stream_Read_UINT32(s, request.streamId); /* streamId (4 bytes) */
Stream_Read_UINT32(s, request.listIndex); /* listIndex (4 bytes) */
Stream_Read_UINT32(s, request.dwFlags); /* dwFlags (4 bytes) */
Stream_Read_UINT32(s, request.nPositionLow); /* nPositionLow (4 bytes) */
Stream_Read_UINT32(s, request.nPositionHigh); /* nPositionHigh (4 bytes) */
Stream_Read_UINT32(s, request.cbRequested); /* cbRequested (4 bytes) */
Stream_Read_UINT32(s, request.clipDataId); /* clipDataId (4 bytes) */
if (context->ServerFileContentsRequest)
context->ServerFileContentsRequest(context, &request);
return 1;
}
static int cliprdr_process_filecontents_response(cliprdrPlugin* cliprdr, wStream* s, UINT32 length, UINT16 flags)
{
CLIPRDR_FILE_CONTENTS_RESPONSE response;
CliprdrClientContext* context = cliprdr_get_client_interface(cliprdr);
WLog_Print(cliprdr->log, WLOG_DEBUG, "FileContentsResponse");
if (!context->custom)
return -1;
if (Stream_GetRemainingLength(s) < 4)
return -1;
response.msgType = CB_FILECONTENTS_RESPONSE;
response.msgFlags = flags;
response.dataLen = length;
Stream_Read_UINT32(s, response.streamId); /* streamId (4 bytes) */
response.cbRequested = length - 4;
response.requestedData = Stream_Pointer(s); /* requestedFileContentsData */
if (context->ServerFileContentsResponse)
context->ServerFileContentsResponse(context, &response);
return 1;
}
static int cliprdr_process_lock_clipdata(cliprdrPlugin* cliprdr, wStream* s, UINT32 length, UINT16 flags)
{
CLIPRDR_LOCK_CLIPBOARD_DATA lockClipboardData;
CliprdrClientContext* context = cliprdr_get_client_interface(cliprdr);
WLog_Print(cliprdr->log, WLOG_DEBUG, "LockClipData");
if (!context->custom)
return -1;
if (Stream_GetRemainingLength(s) < 4)
return -1;
lockClipboardData.msgType = CB_LOCK_CLIPDATA;
lockClipboardData.msgFlags = flags;
lockClipboardData.dataLen = length;
Stream_Read_UINT32(s, lockClipboardData.clipDataId); /* clipDataId (4 bytes) */
if (context->ServerLockClipboardData)
context->ServerLockClipboardData(context, &lockClipboardData);
return 1;
}
static int cliprdr_process_unlock_clipdata(cliprdrPlugin* cliprdr, wStream* s, UINT32 length, UINT16 flags)
{
CLIPRDR_UNLOCK_CLIPBOARD_DATA unlockClipboardData;
CliprdrClientContext* context = cliprdr_get_client_interface(cliprdr);
WLog_Print(cliprdr->log, WLOG_DEBUG, "UnlockClipData");
if (!context->custom)
return -1;
if (Stream_GetRemainingLength(s) < 4)
return -1;
unlockClipboardData.msgType = CB_UNLOCK_CLIPDATA;
unlockClipboardData.msgFlags = flags;
unlockClipboardData.dataLen = length;
Stream_Read_UINT32(s, unlockClipboardData.clipDataId); /* clipDataId (4 bytes) */
if (context->ServerUnlockClipboardData)
context->ServerUnlockClipboardData(context, &unlockClipboardData);
return 1;
}
static void cliprdr_order_recv(cliprdrPlugin* cliprdr, wStream* s)
{
UINT16 msgType;
UINT16 msgFlags;
UINT32 dataLen;
Stream_Read_UINT16(s, msgType); /* msgType (2 bytes) */
Stream_Read_UINT16(s, msgFlags); /* msgFlags (2 bytes) */
Stream_Read_UINT32(s, dataLen); /* dataLen (4 bytes) */
DEBUG_CLIPRDR("msgType: %s (%d), msgFlags: %d dataLen: %d",
CB_MSG_TYPE_STRINGS[msgType], msgType, msgFlags, dataLen);
#ifdef WITH_DEBUG_CLIPRDR
winpr_HexDump(TAG, WLOG_DEBUG, Stream_Buffer(s), dataLen + 8);
#endif
switch (msgType)
{
case CB_CLIP_CAPS:
cliprdr_process_clip_caps(cliprdr, s, dataLen, msgFlags);
break;
case CB_MONITOR_READY:
cliprdr_process_monitor_ready(cliprdr, s, dataLen, msgFlags);
break;
case CB_FORMAT_LIST:
cliprdr_process_format_list(cliprdr, s, dataLen, msgFlags);
break;
case CB_FORMAT_LIST_RESPONSE:
cliprdr_process_format_list_response(cliprdr, s, dataLen, msgFlags);
break;
case CB_FORMAT_DATA_REQUEST:
cliprdr_process_format_data_request(cliprdr, s, dataLen, msgFlags);
break;
case CB_FORMAT_DATA_RESPONSE:
cliprdr_process_format_data_response(cliprdr, s, dataLen, msgFlags);
break;
case CB_FILECONTENTS_REQUEST:
cliprdr_process_filecontents_request(cliprdr, s, dataLen, msgFlags);
break;
case CB_FILECONTENTS_RESPONSE:
cliprdr_process_filecontents_response(cliprdr, s, dataLen, msgFlags);
break;
case CB_LOCK_CLIPDATA:
cliprdr_process_lock_clipdata(cliprdr, s, dataLen, msgFlags);
break;
case CB_UNLOCK_CLIPDATA:
cliprdr_process_unlock_clipdata(cliprdr, s, dataLen, msgFlags);
break;
default:
WLog_ERR(TAG, "unknown msgType %d", msgType);
break;
}
Stream_Free(s, TRUE);
}
/**
* Callback Interface
*/
int cliprdr_client_capabilities(CliprdrClientContext* context, CLIPRDR_CAPABILITIES* capabilities)
{
wStream* s;
CLIPRDR_GENERAL_CAPABILITY_SET* generalCapabilitySet;
cliprdrPlugin* cliprdr = (cliprdrPlugin*) context->handle;
s = cliprdr_packet_new(CB_CLIP_CAPS, 0, 4 + CB_CAPSTYPE_GENERAL_LEN);
Stream_Write_UINT16(s, 1); /* cCapabilitiesSets */
Stream_Write_UINT16(s, 0); /* pad1 */
generalCapabilitySet = (CLIPRDR_GENERAL_CAPABILITY_SET*) capabilities->capabilitySets;
Stream_Write_UINT16(s, generalCapabilitySet->capabilitySetType); /* capabilitySetType */
Stream_Write_UINT16(s, generalCapabilitySet->capabilitySetLength); /* lengthCapability */
Stream_Write_UINT32(s, generalCapabilitySet->version); /* version */
Stream_Write_UINT32(s, generalCapabilitySet->generalFlags); /* generalFlags */
WLog_Print(cliprdr->log, WLOG_DEBUG, "ClientCapabilities");
cliprdr_packet_send(cliprdr, s);
return 0;
}
int cliprdr_temp_directory(CliprdrClientContext* context, CLIPRDR_TEMP_DIRECTORY* tempDirectory)
{
int length;
wStream* s;
WCHAR* wszTempDir = NULL;
cliprdrPlugin* cliprdr = (cliprdrPlugin*) context->handle;
s = cliprdr_packet_new(CB_TEMP_DIRECTORY, 0, 520 * 2);
length = ConvertToUnicode(CP_UTF8, 0, tempDirectory->szTempDir, -1, &wszTempDir, 0);
if (length < 0)
return -1;
if (length > 520)
length = 520;
Stream_Write(s, tempDirectory->szTempDir, length * 2);
Stream_Zero(s, (520 - length) * 2);
free(wszTempDir);
WLog_Print(cliprdr->log, WLOG_DEBUG, "TempDirectory: %s",
tempDirectory->szTempDir);
cliprdr_packet_send(cliprdr, s);
return 1;
}
int cliprdr_client_format_list(CliprdrClientContext* context, CLIPRDR_FORMAT_LIST* formatList)
{
wStream* s;
UINT32 index;
int length = 0;
int cchWideChar;
LPWSTR lpWideCharStr;
int formatNameSize;
int formatNameLength;
char* szFormatName;
WCHAR* wszFormatName;
BOOL asciiNames = FALSE;
CLIPRDR_FORMAT* format;
cliprdrPlugin* cliprdr = (cliprdrPlugin*) context->handle;
if (!cliprdr->useLongFormatNames)
{
length = formatList->numFormats * 36;
s = cliprdr_packet_new(CB_FORMAT_LIST, 0, length);
for (index = 0; index < formatList->numFormats; index++)
{
format = (CLIPRDR_FORMAT*) &(formatList->formats[index]);
Stream_Write_UINT32(s, format->formatId); /* formatId (4 bytes) */
formatNameSize = 0;
formatNameLength = 0;
szFormatName = format->formatName;
if (asciiNames)
{
if (szFormatName)
formatNameLength = strlen(szFormatName);
if (formatNameLength > 31)
formatNameLength = 31;
Stream_Write(s, szFormatName, formatNameLength);
Stream_Zero(s, 32 - formatNameLength);
}
else
{
wszFormatName = NULL;
if (szFormatName)
formatNameSize = ConvertToUnicode(CP_UTF8, 0, szFormatName, -1, &wszFormatName, 0);
if (formatNameSize > 15)
formatNameSize = 15;
Stream_Write(s, wszFormatName, formatNameSize * 2);
Stream_Zero(s, 32 - (formatNameSize * 2));
free(wszFormatName);
}
}
}
else
{
for (index = 0; index < formatList->numFormats; index++)
{
format = (CLIPRDR_FORMAT*) &(formatList->formats[index]);
length += 4;
formatNameSize = 2;
if (format->formatName)
formatNameSize = MultiByteToWideChar(CP_UTF8, 0, format->formatName, -1, NULL, 0) * 2;
length += formatNameSize;
}
s = cliprdr_packet_new(CB_FORMAT_LIST, 0, length);
for (index = 0; index < formatList->numFormats; index++)
{
format = (CLIPRDR_FORMAT*) &(formatList->formats[index]);
Stream_Write_UINT32(s, format->formatId); /* formatId (4 bytes) */
if (format->formatName)
{
lpWideCharStr = (LPWSTR) Stream_Pointer(s);
cchWideChar = (Stream_Capacity(s) - Stream_GetPosition(s)) / 2;
formatNameSize = MultiByteToWideChar(CP_UTF8, 0,
format->formatName, -1, lpWideCharStr, cchWideChar) * 2;
Stream_Seek(s, formatNameSize);
}
else
{
Stream_Write_UINT16(s, 0);
}
}
}
WLog_Print(cliprdr->log, WLOG_DEBUG, "ClientFormatList: numFormats: %d",
formatList->numFormats);
cliprdr_packet_send(cliprdr, s);
return 0;
}
int cliprdr_client_format_list_response(CliprdrClientContext* context, CLIPRDR_FORMAT_LIST_RESPONSE* formatListResponse)
{
wStream* s;
cliprdrPlugin* cliprdr = (cliprdrPlugin*) context->handle;
formatListResponse->msgType = CB_FORMAT_LIST_RESPONSE;
formatListResponse->dataLen = 0;
s = cliprdr_packet_new(formatListResponse->msgType, formatListResponse->msgFlags, formatListResponse->dataLen);
WLog_Print(cliprdr->log, WLOG_DEBUG, "ClientFormatListResponse");
cliprdr_packet_send(cliprdr, s);
return 0;
}
int cliprdr_client_lock_clipboard_data(CliprdrClientContext* context, CLIPRDR_LOCK_CLIPBOARD_DATA* lockClipboardData)
{
wStream* s;
cliprdrPlugin* cliprdr = (cliprdrPlugin*) context->handle;
s = cliprdr_packet_new(CB_LOCK_CLIPDATA, 0, 4);
Stream_Write_UINT32(s, lockClipboardData->clipDataId); /* clipDataId (4 bytes) */
WLog_Print(cliprdr->log, WLOG_DEBUG, "ClientLockClipboardData: clipDataId: 0x%04X",
lockClipboardData->clipDataId);
cliprdr_packet_send(cliprdr, s);
return 1;
}
int cliprdr_client_unlock_clipboard_data(CliprdrClientContext* context, CLIPRDR_UNLOCK_CLIPBOARD_DATA* unlockClipboardData)
{
wStream* s;
cliprdrPlugin* cliprdr = (cliprdrPlugin*) context->handle;
s = cliprdr_packet_new(CB_UNLOCK_CLIPDATA, 0, 4);
Stream_Write_UINT32(s, unlockClipboardData->clipDataId); /* clipDataId (4 bytes) */
WLog_Print(cliprdr->log, WLOG_DEBUG, "ClientUnlockClipboardData: clipDataId: 0x%04X",
unlockClipboardData->clipDataId);
cliprdr_packet_send(cliprdr, s);
return 1;
}
int cliprdr_client_format_data_request(CliprdrClientContext* context, CLIPRDR_FORMAT_DATA_REQUEST* formatDataRequest)
{
wStream* s;
cliprdrPlugin* cliprdr = (cliprdrPlugin*) context->handle;
formatDataRequest->msgType = CB_FORMAT_DATA_REQUEST;
formatDataRequest->msgFlags = 0;
formatDataRequest->dataLen = 4;
s = cliprdr_packet_new(formatDataRequest->msgType, formatDataRequest->msgFlags, formatDataRequest->dataLen);
Stream_Write_UINT32(s, formatDataRequest->requestedFormatId); /* requestedFormatId (4 bytes) */
WLog_Print(cliprdr->log, WLOG_DEBUG, "ClientFormatDataRequest");
cliprdr_packet_send(cliprdr, s);
return 0;
}
int cliprdr_client_format_data_response(CliprdrClientContext* context, CLIPRDR_FORMAT_DATA_RESPONSE* formatDataResponse)
{
wStream* s;
cliprdrPlugin* cliprdr = (cliprdrPlugin*) context->handle;
formatDataResponse->msgType = CB_FORMAT_DATA_RESPONSE;
s = cliprdr_packet_new(formatDataResponse->msgType, formatDataResponse->msgFlags, formatDataResponse->dataLen);
Stream_Write(s, formatDataResponse->requestedFormatData, formatDataResponse->dataLen);
WLog_Print(cliprdr->log, WLOG_DEBUG, "ClientFormatDataResponse");
cliprdr_packet_send(cliprdr, s);
return 0;
}
int cliprdr_client_file_contents_request(CliprdrClientContext* context, CLIPRDR_FILE_CONTENTS_REQUEST* fileContentsRequest)
{
wStream* s;
cliprdrPlugin* cliprdr = (cliprdrPlugin*) context->handle;
s = cliprdr_packet_new(CB_FILECONTENTS_REQUEST, 0, 28);
Stream_Write_UINT32(s, fileContentsRequest->streamId); /* streamId (4 bytes) */
Stream_Write_UINT32(s, fileContentsRequest->listIndex); /* listIndex (4 bytes) */
Stream_Write_UINT32(s, fileContentsRequest->dwFlags); /* dwFlags (4 bytes) */
Stream_Write_UINT32(s, fileContentsRequest->nPositionLow); /* nPositionLow (4 bytes) */
Stream_Write_UINT32(s, fileContentsRequest->nPositionHigh); /* nPositionHigh (4 bytes) */
Stream_Write_UINT32(s, fileContentsRequest->cbRequested); /* cbRequested (4 bytes) */
Stream_Write_UINT32(s, fileContentsRequest->clipDataId); /* clipDataId (4 bytes) */
WLog_Print(cliprdr->log, WLOG_DEBUG, "ClientFileContentsRequest: streamId: 0x%04X",
fileContentsRequest->streamId);
cliprdr_packet_send(cliprdr, s);
return 1;
}
int cliprdr_client_file_contents_response(CliprdrClientContext* context, CLIPRDR_FILE_CONTENTS_RESPONSE* fileContentsResponse)
{
wStream* s;
cliprdrPlugin* cliprdr = (cliprdrPlugin*) context->handle;
if (fileContentsResponse->dwFlags & FILECONTENTS_SIZE)
fileContentsResponse->cbRequested = sizeof(UINT64);
s = cliprdr_packet_new(CB_FILECONTENTS_REQUEST, 0,
4 + fileContentsResponse->cbRequested);
Stream_Write_UINT32(s, fileContentsResponse->streamId); /* streamId (4 bytes) */
/**
* requestedFileContentsData:
* FILECONTENTS_SIZE: file size as UINT64
* FILECONTENTS_RANGE: file data from requested range
*/
Stream_Write(s, fileContentsResponse->requestedData, fileContentsResponse->cbRequested);
WLog_Print(cliprdr->log, WLOG_DEBUG, "ClientFileContentsResponse: streamId: 0x%04X",
fileContentsResponse->streamId);
cliprdr_packet_send(cliprdr, s);
return 1;
}
/****************************************************************************************/
static wListDictionary* g_InitHandles;
static wListDictionary* g_OpenHandles;
void cliprdr_add_init_handle_data(void* pInitHandle, void* pUserData)
{
if (!g_InitHandles)
g_InitHandles = ListDictionary_New(TRUE);
ListDictionary_Add(g_InitHandles, pInitHandle, pUserData);
}
void* cliprdr_get_init_handle_data(void* pInitHandle)
{
void* pUserData = NULL;
pUserData = ListDictionary_GetItemValue(g_InitHandles, pInitHandle);
return pUserData;
}
void cliprdr_remove_init_handle_data(void* pInitHandle)
{
ListDictionary_Remove(g_InitHandles, pInitHandle);
}
void cliprdr_add_open_handle_data(DWORD openHandle, void* pUserData)
{
void* pOpenHandle = (void*) (size_t) openHandle;
if (!g_OpenHandles)
g_OpenHandles = ListDictionary_New(TRUE);
ListDictionary_Add(g_OpenHandles, pOpenHandle, pUserData);
}
void* cliprdr_get_open_handle_data(DWORD openHandle)
{
void* pUserData = NULL;
void* pOpenHandle = (void*) (size_t) openHandle;
pUserData = ListDictionary_GetItemValue(g_OpenHandles, pOpenHandle);
return pUserData;
}
void cliprdr_remove_open_handle_data(DWORD openHandle)
{
void* pOpenHandle = (void*) (size_t) openHandle;
ListDictionary_Remove(g_OpenHandles, pOpenHandle);
}
static void cliprdr_virtual_channel_event_data_received(cliprdrPlugin* cliprdr,
void* pData, UINT32 dataLength, UINT32 totalLength, UINT32 dataFlags)
{
wStream* data_in;
if ((dataFlags & CHANNEL_FLAG_SUSPEND) || (dataFlags & CHANNEL_FLAG_RESUME))
{
return;
}
if (dataFlags & CHANNEL_FLAG_FIRST)
{
if (cliprdr->data_in)
Stream_Free(cliprdr->data_in, TRUE);
cliprdr->data_in = Stream_New(NULL, totalLength);
}
data_in = cliprdr->data_in;
Stream_EnsureRemainingCapacity(data_in, (int) dataLength);
Stream_Write(data_in, pData, dataLength);
if (dataFlags & CHANNEL_FLAG_LAST)
{
if (Stream_Capacity(data_in) != Stream_GetPosition(data_in))
{
WLog_ERR(TAG, "cliprdr_plugin_process_received: read error");
}
cliprdr->data_in = NULL;
Stream_SealLength(data_in);
Stream_SetPosition(data_in, 0);
MessageQueue_Post(cliprdr->MsgPipe->In, NULL, 0, (void*) data_in, NULL);
}
}
static VOID VCAPITYPE cliprdr_virtual_channel_open_event(DWORD openHandle, UINT event,
LPVOID pData, UINT32 dataLength, UINT32 totalLength, UINT32 dataFlags)
{
cliprdrPlugin* cliprdr;
cliprdr = (cliprdrPlugin*) cliprdr_get_open_handle_data(openHandle);
if (!cliprdr)
{
WLog_ERR(TAG, "cliprdr_virtual_channel_open_event: error no match");
return;
}
switch (event)
{
case CHANNEL_EVENT_DATA_RECEIVED:
cliprdr_virtual_channel_event_data_received(cliprdr, pData, dataLength, totalLength, dataFlags);
break;
case CHANNEL_EVENT_WRITE_COMPLETE:
Stream_Free((wStream*) pData, TRUE);
break;
case CHANNEL_EVENT_USER:
break;
}
}
static void* cliprdr_virtual_channel_client_thread(void* arg)
{
wStream* data;
wMessage message;
cliprdrPlugin* cliprdr = (cliprdrPlugin*) arg;
while (1)
{
if (!MessageQueue_Wait(cliprdr->MsgPipe->In))
break;
if (MessageQueue_Peek(cliprdr->MsgPipe->In, &message, TRUE))
{
if (message.id == WMQ_QUIT)
break;
if (message.id == 0)
{
data = (wStream*) message.wParam;
cliprdr_order_recv(cliprdr, data);
}
}
}
ExitThread(0);
return NULL;
}
static void cliprdr_virtual_channel_event_connected(cliprdrPlugin* cliprdr, LPVOID pData, UINT32 dataLength)
{
UINT32 status;
status = cliprdr->channelEntryPoints.pVirtualChannelOpen(cliprdr->InitHandle,
&cliprdr->OpenHandle, cliprdr->channelDef.name, cliprdr_virtual_channel_open_event);
cliprdr_add_open_handle_data(cliprdr->OpenHandle, cliprdr);
if (status != CHANNEL_RC_OK)
{
WLog_ERR(TAG, "cliprdr_virtual_channel_event_connected: open failed: status: %d", status);
return;
}
cliprdr->MsgPipe = MessagePipe_New();
cliprdr->thread = CreateThread(NULL, 0,
(LPTHREAD_START_ROUTINE) cliprdr_virtual_channel_client_thread, (void*) cliprdr, 0, NULL);
}
static void cliprdr_virtual_channel_event_terminated(cliprdrPlugin* cliprdr)
{
MessagePipe_PostQuit(cliprdr->MsgPipe, 0);
WaitForSingleObject(cliprdr->thread, INFINITE);
MessagePipe_Free(cliprdr->MsgPipe);
CloseHandle(cliprdr->thread);
cliprdr->channelEntryPoints.pVirtualChannelClose(cliprdr->OpenHandle);
if (cliprdr->data_in)
{
Stream_Free(cliprdr->data_in, TRUE);
cliprdr->data_in = NULL;
}
cliprdr_remove_open_handle_data(cliprdr->OpenHandle);
cliprdr_remove_init_handle_data(cliprdr->InitHandle);
free(cliprdr);
}
static VOID VCAPITYPE cliprdr_virtual_channel_init_event(LPVOID pInitHandle, UINT event, LPVOID pData, UINT dataLength)
{
cliprdrPlugin* cliprdr;
cliprdr = (cliprdrPlugin*) cliprdr_get_init_handle_data(pInitHandle);
if (!cliprdr)
{
WLog_ERR(TAG, "cliprdr_virtual_channel_init_event: error no match");
return;
}
switch (event)
{
case CHANNEL_EVENT_CONNECTED:
cliprdr_virtual_channel_event_connected(cliprdr, pData, dataLength);
break;
case CHANNEL_EVENT_DISCONNECTED:
break;
case CHANNEL_EVENT_TERMINATED:
cliprdr_virtual_channel_event_terminated(cliprdr);
break;
}
}
/* cliprdr is always built-in */
#define VirtualChannelEntry cliprdr_VirtualChannelEntry
BOOL VCAPITYPE VirtualChannelEntry(PCHANNEL_ENTRY_POINTS pEntryPoints)
{
cliprdrPlugin* cliprdr;
CliprdrClientContext* context;
CHANNEL_ENTRY_POINTS_FREERDP* pEntryPointsEx;
cliprdr = (cliprdrPlugin*) calloc(1, sizeof(cliprdrPlugin));
cliprdr->channelDef.options =
CHANNEL_OPTION_INITIALIZED |
CHANNEL_OPTION_ENCRYPT_RDP |
CHANNEL_OPTION_COMPRESS_RDP |
CHANNEL_OPTION_SHOW_PROTOCOL;
strcpy(cliprdr->channelDef.name, "cliprdr");
pEntryPointsEx = (CHANNEL_ENTRY_POINTS_FREERDP*) pEntryPoints;
if ((pEntryPointsEx->cbSize >= sizeof(CHANNEL_ENTRY_POINTS_FREERDP)) &&
(pEntryPointsEx->MagicNumber == FREERDP_CHANNEL_MAGIC_NUMBER))
{
context = (CliprdrClientContext*) calloc(1, sizeof(CliprdrClientContext));
context->handle = (void*) cliprdr;
context->custom = NULL;
context->ClientCapabilities = cliprdr_client_capabilities;
context->TempDirectory = cliprdr_temp_directory;
context->ClientFormatList = cliprdr_client_format_list;
context->ClientFormatListResponse = cliprdr_client_format_list_response;
context->ClientLockClipboardData = cliprdr_client_lock_clipboard_data;
context->ClientUnlockClipboardData = cliprdr_client_unlock_clipboard_data;
context->ClientFormatDataRequest = cliprdr_client_format_data_request;
context->ClientFormatDataResponse = cliprdr_client_format_data_response;
context->ClientFileContentsRequest = cliprdr_client_file_contents_request;
context->ClientFileContentsResponse = cliprdr_client_file_contents_response;
*(pEntryPointsEx->ppInterface) = (void*) context;
}
cliprdr->log = WLog_Get("com.freerdp.channels.cliprdr.client");
cliprdr->useLongFormatNames = TRUE;
cliprdr->streamFileClipEnabled = FALSE;
cliprdr->fileClipNoFilePaths = TRUE;
cliprdr->canLockClipData = FALSE;
WLog_Print(cliprdr->log, WLOG_DEBUG, "VirtualChannelEntry");
CopyMemory(&(cliprdr->channelEntryPoints), pEntryPoints, sizeof(CHANNEL_ENTRY_POINTS_FREERDP));
cliprdr->channelEntryPoints.pVirtualChannelInit(&cliprdr->InitHandle,
&cliprdr->channelDef, 1, VIRTUAL_CHANNEL_VERSION_WIN2000, cliprdr_virtual_channel_init_event);
cliprdr->channelEntryPoints.pInterface = *(cliprdr->channelEntryPoints.ppInterface);
cliprdr->channelEntryPoints.ppInterface = &(cliprdr->channelEntryPoints.pInterface);
cliprdr_add_init_handle_data(cliprdr->InitHandle, (void*) cliprdr);
return 1;
}