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Merge pull request #2224 from hardening/rdpei_server

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Add server-side RDPEI
This commit is contained in:
Marc-André Moreau 2014-11-20 16:37:12 -05:00
commit 3992e5e650
12 changed files with 740 additions and 66 deletions
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3
channels/rdpei/CMakeLists.txt
View File

@ -21,3 +21,6 @@ if(WITH_CLIENT_CHANNELS)
add_channel_client(${MODULE_PREFIX} ${CHANNEL_NAME})
endif()
if(WITH_SERVER_CHANNELS)
add_channel_server(${MODULE_PREFIX} ${CHANNEL_NAME})
endif()

5
channels/rdpei/client/CMakeLists.txt
View File

@ -20,11 +20,10 @@ define_channel_client("rdpei")
set(${MODULE_PREFIX}_SRCS
rdpei_main.c
rdpei_main.h
rdpei_common.c
rdpei_common.h)
../rdpei_common.c
../rdpei_common.h)
include_directories(..)
add_channel_client_library(${MODULE_PREFIX} ${MODULE_NAME} ${CHANNEL_NAME} TRUE "DVCPluginEntry")

22
channels/rdpei/client/rdpei_main.h
View File

@ -29,31 +29,11 @@
#include <freerdp/addin.h>
#include <freerdp/channels/log.h>
#include <freerdp/channels/rdpei.h>
#include <freerdp/client/rdpei.h>
#define TAG CHANNELS_TAG("rdpei.client")
#define RDPINPUT_HEADER_LENGTH 6
/* Protocol Version */
#define RDPINPUT_PROTOCOL_V10 0x00010000
#define RDPINPUT_PROTOCOL_V101 0x00010001
/* Client Ready Flags */
#define READY_FLAGS_SHOW_TOUCH_VISUALS 0x00000001
#define READY_FLAGS_DISABLE_TIMESTAMP_INJECTION 0x00000002
/* Input Event Ids */
#define EVENTID_SC_READY 0x0001
#define EVENTID_CS_READY 0x0002
#define EVENTID_TOUCH 0x0003
#define EVENTID_SUSPEND_TOUCH 0x0004
#define EVENTID_RESUME_TOUCH 0x0005
#define EVENTID_DISMISS_HOVERING_CONTACT 0x0006
#define RDPINPUT_CONTACT_STATE_INITIAL 0x0000
#define RDPINPUT_CONTACT_STATE_ENGAGED 0x0001
#define RDPINPUT_CONTACT_STATE_HOVERING 0x0002

21
channels/rdpei/client/rdpei_common.c → channels/rdpei/rdpei_common.c
View File

@ -3,6 +3,7 @@
* Input Virtual Channel Extension
*
* Copyright 2013 Marc-Andre Moreau <marcandre.moreau@gmail.com>
* Copyright 2014 David Fort <contact@hardening-consulting.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@ -587,3 +588,23 @@ BOOL rdpei_write_8byte_unsigned(wStream* s, UINT64 value)
return TRUE;
}
void touch_event_reset(RDPINPUT_TOUCH_EVENT *event)
{
int i;
for (i = 0; i < event->frameCount; i++)
touch_frame_reset(&event->frames[i]);
free(event->frames);
event->frames = NULL;
event->frameCount = 0;
}
void touch_frame_reset(RDPINPUT_TOUCH_FRAME *frame)
{
free(frame->contacts);
frame->contacts = NULL;
frame->contactCount = 0;
}

21
channels/rdpei/client/rdpei_common.h → channels/rdpei/rdpei_common.h
View File

@ -3,6 +3,7 @@
* Input Virtual Channel Extension
*
* Copyright 2013 Marc-Andre Moreau <marcandre.moreau@gmail.com>
* Copyright 2014 David Fort <contact@hardening-consulting.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@ -17,11 +18,22 @@
* limitations under the License.
*/
#ifndef FREERDP_CHANNEL_RDPEI_CLIENT_COMMON_H
#define FREERDP_CHANNEL_RDPEI_CLIENT_COMMON_H
#ifndef FREERDP_CHANNEL_RDPEI_COMMON_H
#define FREERDP_CHANNEL_RDPEI_COMMON_H
#include <winpr/crt.h>
#include <winpr/stream.h>
#include <freerdp/channels/rdpei.h>
/** @brief input event ids */
enum {
EVENTID_SC_READY = 0x0001,
EVENTID_CS_READY = 0x0002,
EVENTID_TOUCH = 0x0003,
EVENTID_SUSPEND_TOUCH = 0x0004,
EVENTID_RESUME_TOUCH = 0x0005,
EVENTID_DISMISS_HOVERING_CONTACT = 0x0006
};
BOOL rdpei_read_2byte_unsigned(wStream* s, UINT32* value);
BOOL rdpei_write_2byte_unsigned(wStream* s, UINT32 value);
@ -34,5 +46,8 @@ BOOL rdpei_write_4byte_signed(wStream* s, INT32 value);
BOOL rdpei_read_8byte_unsigned(wStream* s, UINT64* value);
BOOL rdpei_write_8byte_unsigned(wStream* s, UINT64 value);
#endif /* FREERDP_CHANNEL_RDPEI_CLIENT_COMMON_H */
void touch_event_reset(RDPINPUT_TOUCH_EVENT *event);
void touch_frame_reset(RDPINPUT_TOUCH_FRAME *frame);
#endif /* FREERDP_CHANNEL_RDPEI_COMMON_H */

38
channels/rdpei/server/CMakeLists.txt Normal file
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@ -0,0 +1,38 @@
# FreeRDP: A Remote Desktop Protocol Implementation
# FreeRDP cmake build script
#
# Copyright 2014 Thincast Technologies Gmbh.
# Copyright 2014 David FORT <contact@hardening-consulting.com>
#
# 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.
define_channel_server("rdpei")
set(${MODULE_PREFIX}_SRCS
rdpei_main.c
rdpei_main.h
../rdpei_common.c
../rdpei_common.h
)
add_channel_server_library(${MODULE_PREFIX} ${MODULE_NAME} ${CHANNEL_NAME} FALSE "VirtualChannelEntry")
set_target_properties(${MODULE_NAME} PROPERTIES PREFIX "")
set(${MODULE_PREFIX}_LIBS ${${MODULE_PREFIX}_LIBS} winpr)
target_link_libraries(${MODULE_NAME} ${${MODULE_PREFIX}_LIBS})
install(TARGETS ${MODULE_NAME} DESTINATION ${FREERDP_ADDIN_PATH} EXPORT FreeRDPTargets)
set_property(TARGET ${MODULE_NAME} PROPERTY FOLDER "Channels/${CHANNEL_NAME}/Server")

460
channels/rdpei/server/rdpei_main.c Normal file
View File

@ -0,0 +1,460 @@
/**
* FreeRDP: A Remote Desktop Protocol Implementation
* Extended Input channel server-side implementation
*
* Copyright 2014 Thincast Technologies Gmbh.
* Copyright 2014 David FORT <contact@hardening-consulting.com>
*
* 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 <winpr/stream.h>
#include "rdpei_main.h"
#include "../rdpei_common.h"
#include <freerdp/channels/rdpei.h>
#include <freerdp/server/rdpei.h>
/** @brief */
enum RdpEiState {
STATE_INITIAL,
STATE_WAITING_CLIENT_READY,
STATE_WAITING_FRAME,
STATE_SUSPENDED,
};
struct _rdpei_server_private
{
HANDLE channelHandle;
HANDLE eventHandle;
UINT32 expectedBytes;
BOOL waitingHeaders;
wStream *inputStream;
wStream *outputStream;
UINT16 currentMsgType;
RDPINPUT_TOUCH_EVENT touchEvent;
enum RdpEiState automataState;
};
RdpeiServerContext* rdpei_server_context_new(HANDLE vcm)
{
RdpeiServerContext *ret = calloc(1, sizeof(*ret));
RdpeiServerPrivate *priv;
if (!ret)
return NULL;
ret->priv = priv = calloc(1, sizeof(*ret->priv));
if (!priv)
goto out_free;
priv->inputStream = Stream_New(NULL, 256);
if (!priv->inputStream)
goto out_free_priv;
priv->outputStream = Stream_New(NULL, 200);
if (!priv->inputStream)
goto out_free_input_stream;
ret->vcm = vcm;
rdpei_server_context_reset(ret);
return ret;
out_free_input_stream:
Stream_Free(priv->inputStream, TRUE);
out_free_priv:
free(ret->priv);
out_free:
free(ret);
return NULL;
}
int rdpei_server_init(RdpeiServerContext *context)
{
void *buffer = NULL;
DWORD bytesReturned;
RdpeiServerPrivate *priv = context->priv;
priv->channelHandle = WTSVirtualChannelOpenEx(WTS_CURRENT_SESSION, RDPEI_DVC_CHANNEL_NAME, WTS_CHANNEL_OPTION_DYNAMIC);
if (!priv->channelHandle)
{
fprintf(stderr, "%s: unable to open channel\n", __FUNCTION__);
return -1;
}
if (!WTSVirtualChannelQuery(priv->channelHandle, WTSVirtualEventHandle, &buffer, &bytesReturned) || (bytesReturned != sizeof(HANDLE)))
{
fprintf(stderr, "%s: error during WTSVirtualChannelQuery(WTSVirtualEventHandle) or invalid returned size(%d)\n",
__FUNCTION__, bytesReturned);
if (buffer)
WTSFreeMemory(buffer);
goto out_close;
}
CopyMemory(&priv->eventHandle, buffer, sizeof(HANDLE));
WTSFreeMemory(buffer);
return 0;
out_close:
WTSVirtualChannelClose(priv->channelHandle);
return -1;
}
void rdpei_server_context_reset(RdpeiServerContext *context)
{
RdpeiServerPrivate *priv = context->priv;
priv->expectedBytes = RDPINPUT_HEADER_LENGTH;
priv->waitingHeaders = TRUE;
priv->automataState = STATE_INITIAL;
Stream_SetPosition(priv->inputStream, 0);
}
void rdpei_server_context_free(RdpeiServerContext* context)
{
Stream_Free(context->priv->inputStream, TRUE);
free(context->priv);
free(context);
}
HANDLE rdpei_server_get_event_handle(RdpeiServerContext *context)
{
return context->priv->eventHandle;
}
static int read_cs_ready_message(RdpeiServerContext *context, wStream *s)
{
if (Stream_GetRemainingLength(s) < 10)
return -1;
Stream_Read_UINT32(s, context->protocolFlags);
Stream_Read_UINT32(s, context->clientVersion);
Stream_Read_UINT16(s, context->maxTouchPoints);
switch (context->clientVersion)
{
case RDPINPUT_PROTOCOL_V10:
case RDPINPUT_PROTOCOL_V101:
break;
default:
fprintf(stderr, "%s: unhandled RPDEI protocol version 0x%x\n", __FUNCTION__, context->clientVersion);
break;
}
if (context->onClientReady)
context->onClientReady(context);
return 0;
}
static int read_touch_contact_data(RdpeiServerContext *context, wStream *s, RDPINPUT_CONTACT_DATA *contactData)
{
if (Stream_GetRemainingLength(s) < 1)
return -1;
Stream_Read_UINT8(s, contactData->contactId);
if (!rdpei_read_2byte_unsigned(s, &contactData->fieldsPresent) ||
!rdpei_read_4byte_signed(s, &contactData->x) ||
!rdpei_read_4byte_signed(s, &contactData->y) ||
!rdpei_read_4byte_unsigned(s, &contactData->contactFlags))
return -1;
if (contactData->fieldsPresent & CONTACT_DATA_CONTACTRECT_PRESENT)
{
if (!rdpei_read_2byte_signed(s, &contactData->contactRectLeft) ||
!rdpei_read_2byte_signed(s, &contactData->contactRectTop) ||
!rdpei_read_2byte_signed(s, &contactData->contactRectRight) ||
!rdpei_read_2byte_signed(s, &contactData->contactRectBottom))
return -1;
}
if ((contactData->fieldsPresent & CONTACT_DATA_ORIENTATION_PRESENT) &&
!rdpei_read_4byte_unsigned(s, &contactData->orientation))
return -1;
if ((contactData->fieldsPresent & CONTACT_DATA_PRESSURE_PRESENT) &&
!rdpei_read_4byte_unsigned(s, &contactData->pressure))
return -1;
return 0;
}
static int read_touch_frame(RdpeiServerContext *context, wStream *s, RDPINPUT_TOUCH_FRAME *frame)
{
int i;
RDPINPUT_CONTACT_DATA *contact;
if (!rdpei_read_2byte_unsigned(s, &frame->contactCount) || !rdpei_read_8byte_unsigned(s, &frame->frameOffset))
return -1;
frame->contacts = contact = calloc(frame->contactCount, sizeof(RDPINPUT_CONTACT_DATA));
if (!frame->contacts)
return -1;
for (i = 0; i < frame->contactCount; i++, contact++)
{
if (read_touch_contact_data(context, s, contact) < 0)
{
frame->contactCount = i;
goto out_cleanup;
}
}
return 0;
out_cleanup:
touch_frame_reset(frame);
return -1;
}
static int read_touch_event(RdpeiServerContext *context, wStream *s)
{
UINT32 frameCount;
int i, ret;
RDPINPUT_TOUCH_EVENT *event = &context->priv->touchEvent;
RDPINPUT_TOUCH_FRAME *frame;
ret = -1;
if (!rdpei_read_4byte_unsigned(s, &event->encodeTime) || !rdpei_read_2byte_unsigned(s, &frameCount))
return -1;
event->frameCount = frameCount;
event->frames = frame = calloc(event->frameCount, sizeof(RDPINPUT_TOUCH_FRAME));
if (!event->frames)
return -1;
for (i = 0; i < frameCount; i++, frame++)
{
if (read_touch_frame(context, s, frame) < 0)
{
event->frameCount = i;
goto out_cleanup;
}
}
if (context->onTouchEvent)
context->onTouchEvent(context, event);
ret = 0;
out_cleanup:
touch_event_reset(event);
return ret;
}
static int read_dismiss_hovering_contact(RdpeiServerContext *context, wStream *s) {
BYTE contactId;
if (Stream_GetRemainingLength(s) < 1)
return -1;
Stream_Read_UINT8(s, contactId);
if (context->onTouchReleased)
context->onTouchReleased(context, contactId);
return 0;
}
int rdpei_server_handle_messages(RdpeiServerContext *context) {
DWORD bytesReturned;
RdpeiServerPrivate *priv = context->priv;
wStream *s = priv->inputStream;
if (!WTSVirtualChannelRead(priv->channelHandle, 0, (PCHAR)Stream_Pointer(s), priv->expectedBytes, &bytesReturned))
{
if (GetLastError() == ERROR_NO_DATA)
return -1;
fprintf(stderr, "%s: channel connection closed\n", __FUNCTION__);
return 0;
}
priv->expectedBytes -= bytesReturned;
Stream_Seek(s, bytesReturned);
if (priv->expectedBytes)
return 1;
Stream_SealLength(s);
Stream_SetPosition(s, 0);
if (priv->waitingHeaders)
{
UINT32 pduLen;
/* header case */
Stream_Read_UINT16(s, priv->currentMsgType);
Stream_Read_UINT16(s, pduLen);
if (pduLen < RDPINPUT_HEADER_LENGTH)
{
fprintf(stderr, "%s: invalid pduLength %d\n", __FUNCTION__, pduLen);
return -1;
}
priv->expectedBytes = pduLen - RDPINPUT_HEADER_LENGTH;
priv->waitingHeaders = FALSE;
Stream_SetPosition(s, 0);
if (priv->expectedBytes)
{
Stream_EnsureCapacity(s, priv->expectedBytes);
return 1;
}
}
/* when here we have the header + the body */
switch (priv->currentMsgType)
{
case EVENTID_CS_READY:
if (priv->automataState != STATE_WAITING_CLIENT_READY)
{
fprintf(stderr, "%s: not expecting a CS_READY packet in this state(%d)\n", __FUNCTION__, (int)priv->automataState);
return 0;
}
if (read_cs_ready_message(context, s) < 0)
return 0;
break;
case EVENTID_TOUCH:
if (read_touch_event(context, s) < 0)
{
fprintf(stderr, "%s: error in touch event packet\n", __FUNCTION__);
return 0;
}
break;
case EVENTID_DISMISS_HOVERING_CONTACT:
if (read_dismiss_hovering_contact(context, s) < 0)
{
fprintf(stderr, "%s: error reading read_dismiss_hovering_contact\n", __FUNCTION__);
return 0;
}
break;
default:
fprintf(stderr, "%s: unexpected message type 0x%x\n", __FUNCTION__, priv->currentMsgType);
}
Stream_SetPosition(s, 0);
priv->waitingHeaders = TRUE;
priv->expectedBytes = RDPINPUT_HEADER_LENGTH;
return 1;
}
int rdpei_server_send_sc_ready(RdpeiServerContext *context, UINT32 version)
{
ULONG written;
RdpeiServerPrivate *priv = context->priv;
if (priv->automataState != STATE_INITIAL)
{
fprintf(stderr, "%s: called from unexpected state %d\n", __FUNCTION__, priv->automataState);
return -1;
}
Stream_SetPosition(priv->outputStream, 0);
Stream_EnsureCapacity(priv->outputStream, RDPINPUT_HEADER_LENGTH + 4);
Stream_Write_UINT16(priv->outputStream, EVENTID_SC_READY);
Stream_Write_UINT32(priv->outputStream, RDPINPUT_HEADER_LENGTH + 4);
Stream_Write_UINT32(priv->outputStream, version);
if (!WTSVirtualChannelWrite(priv->channelHandle, (PCHAR)Stream_Buffer(priv->outputStream),
Stream_GetPosition(priv->outputStream), &written))
{
fprintf(stderr, "%s: error writing ready message\n", __FUNCTION__);
return -1;
}
priv->automataState = STATE_WAITING_CLIENT_READY;
return 0;
}
int rdpei_server_suspend(RdpeiServerContext *context)
{
ULONG written;
RdpeiServerPrivate *priv = context->priv;
switch (priv->automataState)
{
case STATE_SUSPENDED:
fprintf(stderr, "%s: already suspended\n", __FUNCTION__);
return 0;
case STATE_WAITING_FRAME:
break;
default:
fprintf(stderr, "%s: called from unexpected state %d\n", __FUNCTION__, priv->automataState);
return -1;
}
Stream_SetPosition(priv->outputStream, 0);
Stream_EnsureCapacity(priv->outputStream, RDPINPUT_HEADER_LENGTH);
Stream_Write_UINT16(priv->outputStream, EVENTID_SUSPEND_TOUCH);
Stream_Write_UINT32(priv->outputStream, RDPINPUT_HEADER_LENGTH);
if (!WTSVirtualChannelWrite(priv->channelHandle, (PCHAR)Stream_Buffer(priv->outputStream),
Stream_GetPosition(priv->outputStream), &written))
{
fprintf(stderr, "%s: error writing suspendTouch message\n", __FUNCTION__);
return -1;
}
priv->automataState = STATE_SUSPENDED;
return 0;
}
int rdpei_server_resume(RdpeiServerContext *context)
{
ULONG written;
RdpeiServerPrivate *priv = context->priv;
switch (priv->automataState)
{
case STATE_WAITING_FRAME:
fprintf(stderr, "%s: not suspended\n", __FUNCTION__);
return 0;
case STATE_SUSPENDED:
break;
default:
fprintf(stderr, "%s: called from unexpected state %d\n", __FUNCTION__, priv->automataState);
return -1;
}
Stream_SetPosition(priv->outputStream, 0);
Stream_EnsureCapacity(priv->outputStream, RDPINPUT_HEADER_LENGTH);
Stream_Write_UINT16(priv->outputStream, EVENTID_RESUME_TOUCH);
Stream_Write_UINT32(priv->outputStream, RDPINPUT_HEADER_LENGTH);
if (!WTSVirtualChannelWrite(priv->channelHandle, (PCHAR)Stream_Buffer(priv->outputStream),
Stream_GetPosition(priv->outputStream), &written))
{
fprintf(stderr, "%s: error writing resumeTouch message\n", __FUNCTION__);
return -1;
}
priv->automataState = STATE_WAITING_FRAME;
return 0;
}

29
channels/rdpei/server/rdpei_main.h Normal file
View File

@ -0,0 +1,29 @@
/**
* FreeRDP: A Remote Desktop Protocol Implementation
* Extended Input channel server-side implementation
*
* Copyright 2014 David Fort <contact@hardening-consulting.com>
*
* 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.
*/
#ifndef __FREERDP_CHANNEL_SERVER_RDPEI_MAIN_H_
#define __FREERDP_CHANNEL_SERVER_RDPEI_MAIN_H_
#include <winpr/crt.h>
#include <winpr/synch.h>
#include <winpr/thread.h>
#endif /* FREERDP_CHANNEL_SERVER_RDPEI_MAIN_H_ */

6
channels/server/channels.c
View File

@ -45,9 +45,10 @@
#include <freerdp/server/cliprdr.h>
#include <freerdp/server/echo.h>
#include <freerdp/server/rdpdr.h>
#include <freerdp/server/rdpei.h>
#include <freerdp/server/drdynvc.h>
void freerdp_channels_dummy()
void freerdp_channels_dummy()
{
audin_server_context_new(NULL);
audin_server_context_free(NULL);
@ -66,6 +67,9 @@ void freerdp_channels_dummy()
drdynvc_server_context_new(NULL);
drdynvc_server_context_free(NULL);
rdpei_server_context_new(NULL);
rdpei_server_context_free(NULL);
}
/**

91
include/freerdp/channels/rdpei.h Normal file
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@ -0,0 +1,91 @@
/**
* FreeRDP: A Remote Desktop Protocol Implementation
* Extended Input channel common definitions
*
* Copyright 2013 Marc-Andre Moreau <marcandre.moreau@gmail.com>
* Copyright 2014 Thincast Technologies Gmbh.
* Copyright 2014 David FORT <contact@hardening-consulting.com>
*
* 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.
*/
#ifndef __FREERDP_CHANNEL_RDPEI_H_
#define __FREERDP_CHANNEL_RDPEI_H_
#include <winpr/wtypes.h>
#define RDPINPUT_HEADER_LENGTH 6
#define RDPEI_DVC_CHANNEL_NAME "Microsoft::Windows::RDS::Input"
/** @brief protocol version */
enum {
RDPINPUT_PROTOCOL_V10 = 0x00010000,
RDPINPUT_PROTOCOL_V101 = 0x00010001
};
/* Client Ready Flags */
#define READY_FLAGS_SHOW_TOUCH_VISUALS 0x00000001
#define READY_FLAGS_DISABLE_TIMESTAMP_INJECTION 0x00000002
#define CONTACT_DATA_CONTACTRECT_PRESENT 0x0001
#define CONTACT_DATA_ORIENTATION_PRESENT 0x0002
#define CONTACT_DATA_PRESSURE_PRESENT 0x0004
#define CONTACT_FLAG_DOWN 0x0001
#define CONTACT_FLAG_UPDATE 0x0002
#define CONTACT_FLAG_UP 0x0004
#define CONTACT_FLAG_INRANGE 0x0008
#define CONTACT_FLAG_INCONTACT 0x0010
#define CONTACT_FLAG_CANCELED 0x0020
/** @brief a contact point */
struct _RDPINPUT_CONTACT_DATA
{
UINT32 contactId;
UINT32 fieldsPresent;
INT32 x;
INT32 y;
UINT32 contactFlags;
INT32 contactRectLeft;
INT32 contactRectTop;
INT32 contactRectRight;
INT32 contactRectBottom;
UINT32 orientation;
UINT32 pressure;
};
typedef struct _RDPINPUT_CONTACT_DATA RDPINPUT_CONTACT_DATA;
/** @brief a frame containing contact points */
struct _RDPINPUT_TOUCH_FRAME
{
UINT32 contactCount;
UINT64 frameOffset;
RDPINPUT_CONTACT_DATA* contacts;
};
typedef struct _RDPINPUT_TOUCH_FRAME RDPINPUT_TOUCH_FRAME;
/** @brief a touch event with some frames*/
struct _RDPINPUT_TOUCH_EVENT
{
UINT32 encodeTime;
UINT16 frameCount;
RDPINPUT_TOUCH_FRAME* frames;
};
typedef struct _RDPINPUT_TOUCH_EVENT RDPINPUT_TOUCH_EVENT;
#endif /* __FREERDP_CHANNEL_RDPEI_H_ */

40
include/freerdp/client/rdpei.h
View File

@ -20,51 +20,15 @@
#ifndef FREERDP_CHANNEL_CLIENT_RDPEI_H
#define FREERDP_CHANNEL_CLIENT_RDPEI_H
#define CONTACT_DATA_CONTACTRECT_PRESENT 0x0001
#define CONTACT_DATA_ORIENTATION_PRESENT 0x0002
#define CONTACT_DATA_PRESSURE_PRESENT 0x0004
#define CONTACT_FLAG_DOWN 0x0001
#define CONTACT_FLAG_UPDATE 0x0002
#define CONTACT_FLAG_UP 0x0004
#define CONTACT_FLAG_INRANGE 0x0008
#define CONTACT_FLAG_INCONTACT 0x0010
#define CONTACT_FLAG_CANCELED 0x0020
struct _RDPINPUT_CONTACT_DATA
{
UINT32 contactId;
UINT32 fieldsPresent;
INT32 x;
INT32 y;
UINT32 contactFlags;
INT32 contactRectLeft;
INT32 contactRectTop;
INT32 contactRectRight;
INT32 contactRectBottom;
UINT32 orientation;
UINT32 pressure;
};
typedef struct _RDPINPUT_CONTACT_DATA RDPINPUT_CONTACT_DATA;
struct _RDPINPUT_TOUCH_FRAME
{
UINT32 contactCount;
UINT64 frameOffset;
RDPINPUT_CONTACT_DATA* contacts;
};
typedef struct _RDPINPUT_TOUCH_FRAME RDPINPUT_TOUCH_FRAME;
#include <freerdp/channels/rdpei.h>
/**
* Client Interface
*/
#define RDPEI_DVC_CHANNEL_NAME "Microsoft::Windows::RDS::Input"
typedef struct _rdpei_client_context RdpeiClientContext;
typedef int (*pcRdpeiGetVersion)(RdpeiClientContext* context);
typedef int (*pcRdpeiAddContact)(RdpeiClientContext* context, RDPINPUT_CONTACT_DATA* contact);
typedef int (*pcRdpeiGetVersion)(RdpeiClientContext* context);typedef int (*pcRdpeiAddContact)(RdpeiClientContext* context, RDPINPUT_CONTACT_DATA* contact);
typedef int (*pcRdpeiTouchBegin)(RdpeiClientContext* context, int externalId, int x, int y);
typedef int (*pcRdpeiTouchUpdate)(RdpeiClientContext* context, int externalId, int x, int y);

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/**
* FreeRDP: A Remote Desktop Protocol Implementation
* Extended Input channel server-side definitions
*
* Copyright 2014 Thincast Technologies Gmbh.
* Copyright 2014 David FORT <contact@hardening-consulting.com>
*
* 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.
*/
#ifndef __FREERDP_CHANNEL_RDPEI_SERVER_H__
#define __FREERDP_CHANNEL_RDPEI_SERVER_H__
#include <freerdp/channels/wtsvc.h>
#include <freerdp/channels/rdpei.h>
typedef struct _rdpei_server_context RdpeiServerContext;
typedef struct _rdpei_server_private RdpeiServerPrivate;
struct _rdpei_server_context
{
HANDLE vcm;
RdpeiServerPrivate* priv;
UINT32 clientVersion;
UINT16 maxTouchPoints;
UINT32 protocolFlags;
/** callbacks that can be set by the user */
void (*onClientReady)(RdpeiServerContext *context);
void (*onTouchEvent)(RdpeiServerContext *context, RDPINPUT_TOUCH_EVENT *touchEvent);
void (*onTouchReleased)(RdpeiServerContext *context, BYTE contactId);
void *user_data; /* user data, useful for callbacks */
};
#ifdef __cplusplus
extern "C" {
#endif
FREERDP_API RdpeiServerContext* rdpei_server_context_new(HANDLE vcm);
FREERDP_API void rdpei_server_context_reset(RdpeiServerContext *context);
FREERDP_API void rdpei_server_context_free(RdpeiServerContext* context);
FREERDP_API HANDLE rdpei_server_get_event_handle(RdpeiServerContext *context);
FREERDP_API int rdpei_server_init(RdpeiServerContext *context);
FREERDP_API int rdpei_server_handle_messages(RdpeiServerContext *context);
FREERDP_API int rdpei_server_send_sc_ready(RdpeiServerContext *context, UINT32 version);
FREERDP_API int rdpei_server_suspend(RdpeiServerContext *context);
FREERDP_API int rdpei_server_resume(RdpeiServerContext *context);
#ifdef __cplusplus
}
#endif
#endif /* __FREERDP_CHANNEL_RDPEI_SERVER_H__ */