/**
* write data to a xrdpvr client
*
* @param channel opaque handle returned by WTSVirtualChannelOpenEx
* @param s structure containing data to write
*
* @return 0 on success, -1 on failure
******************************************************************************/
static int
xrdpvr_write_to_client(void *channel, STREAM *s)
{
int bytes_to_send;
int bytes_written;
int index = 0;
int rv;
if ((channel == NULL) || (s == NULL))
{
return -1;
}
bytes_to_send = stream_length(s);
while (1)
{
rv = WTSVirtualChannelWrite(channel, &s->data[index], bytes_to_send, &bytes_written);
if (rv < 0)
{
return -1;
}
index += bytes_written;
bytes_to_send -= bytes_written;
if ((rv == 0) && (bytes_to_send == 0))
{
return 0;
}
usleep(1000 * 3);
}
}
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;
}
static void audin_server_send_formats(audin_server* audin, STREAM* s)
{
int i;
UINT32 nAvgBytesPerSec;
stream_set_pos(s, 0);
stream_write_BYTE(s, MSG_SNDIN_FORMATS);
stream_write_UINT32(s, audin->context.num_server_formats); /* NumFormats (4 bytes) */
stream_write_UINT32(s, 0); /* cbSizeFormatsPacket (4 bytes), client-to-server only */
for (i = 0; i < audin->context.num_server_formats; i++)
{
nAvgBytesPerSec = audin->context.server_formats[i].nSamplesPerSec *
audin->context.server_formats[i].nChannels *
audin->context.server_formats[i].wBitsPerSample / 8;
stream_check_size(s, 18);
stream_write_UINT16(s, audin->context.server_formats[i].wFormatTag);
stream_write_UINT16(s, audin->context.server_formats[i].nChannels);
stream_write_UINT32(s, audin->context.server_formats[i].nSamplesPerSec);
stream_write_UINT32(s, nAvgBytesPerSec);
stream_write_UINT16(s, audin->context.server_formats[i].nBlockAlign);
stream_write_UINT16(s, audin->context.server_formats[i].wBitsPerSample);
stream_write_UINT16(s, audin->context.server_formats[i].cbSize);
if (audin->context.server_formats[i].cbSize)
{
stream_check_size(s, audin->context.server_formats[i].cbSize);
stream_write(s, audin->context.server_formats[i].data,
audin->context.server_formats[i].cbSize);
}
}
WTSVirtualChannelWrite(audin->audin_channel, stream_get_head(s), stream_get_length(s), NULL);
}
static BOOL rdpsnd_server_close(RdpsndServerContext* context)
{
int pos;
BOOL status;
wStream* s = context->priv->rdpsnd_pdu;
if (context->selected_client_format < 0)
return FALSE;
if (context->priv->out_pending_frames > 0)
{
if (!rdpsnd_server_send_audio_pdu(context))
return FALSE;
}
context->selected_client_format = -1;
Stream_Write_UINT8(s, SNDC_CLOSE);
Stream_Write_UINT8(s, 0);
Stream_Seek_UINT16(s);
pos = Stream_GetPosition(s);
Stream_SetPosition(s, 2);
Stream_Write_UINT16(s, pos - 4);
Stream_SetPosition(s, pos);
status = WTSVirtualChannelWrite(context->priv->ChannelHandle, (PCHAR) Stream_Buffer(s), Stream_GetPosition(s), NULL);
Stream_SetPosition(s, 0);
return status;
}
static int rdpdr_server_send_user_logged_on(RdpdrServerContext* context)
{
wStream* s;
BOOL status;
RDPDR_HEADER header;
ULONG written;
CLOG_DBG("%s\n", __FUNCTION__);
header.Component = RDPDR_CTYP_CORE;
header.PacketId = PAKID_CORE_USER_LOGGEDON;
s = Stream_New(NULL, RDPDR_HEADER_LENGTH);
Stream_Write_UINT16(s, header.Component); /* Component (2 bytes) */
Stream_Write_UINT16(s, header.PacketId); /* PacketId (2 bytes) */
Stream_SealLength(s);
status = WTSVirtualChannelWrite(context->priv->ChannelHandle, (PCHAR) Stream_Buffer(s), Stream_Length(s), &written);
Stream_Free(s, TRUE);
return 0;
}
void tf_peer_keyboard_event(rdpInput* input, uint16 flags, uint16 code)
{
freerdp_peer* client = input->context->peer;
rdpUpdate* update = client->update;
testPeerContext* context = (testPeerContext*) input->context;
printf("Client sent a keyboard event (flags:0x%X code:0x%X)\n", flags, code);
if ((flags & 0x4000) && code == 0x1F) /* 's' key */
{
if (client->settings->width != 800)
{
client->settings->width = 800;
client->settings->height = 600;
}
else
{
client->settings->width = 640;
client->settings->height = 480;
}
update->DesktopResize(update->context);
context->activated = false;
}
else if ((flags & 0x4000) && code == 0x2E) /* 'c' key */
{
if (context->debug_channel)
{
WTSVirtualChannelWrite(context->debug_channel, (uint8*) "test2", 5, NULL);
}
}
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
UINT rdpei_server_send_sc_ready(RdpeiServerContext *context, UINT32 version)
{
ULONG written;
RdpeiServerPrivate *priv = context->priv;
if (priv->automataState != STATE_INITIAL)
{
WLog_ERR(TAG, "called from unexpected state %d", (int)priv->automataState);
return ERROR_INVALID_STATE;
}
Stream_SetPosition(priv->outputStream, 0);
if (!Stream_EnsureCapacity(priv->outputStream, RDPINPUT_HEADER_LENGTH + 4))
{
WLog_ERR(TAG, "Stream_EnsureCapacity failed!");
return CHANNEL_RC_NO_MEMORY;
}
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))
{
WLog_ERR(TAG, "WTSVirtualChannelWrite failed!");
return ERROR_INTERNAL_ERROR;
}
priv->automataState = STATE_WAITING_CLIENT_READY;
return CHANNEL_RC_OK;
}
static int rdpdr_server_send_core_capability_request(RdpdrServerContext* context)
{
wStream* s;
BOOL status;
RDPDR_HEADER header;
UINT16 numCapabilities;
ULONG written;
WLog_DBG(TAG, "RdpdrServerSendCoreCapabilityRequest");
header.Component = RDPDR_CTYP_CORE;
header.PacketId = PAKID_CORE_SERVER_CAPABILITY;
numCapabilities = 5;
s = Stream_New(NULL, RDPDR_HEADER_LENGTH + 512);
Stream_Write_UINT16(s, header.Component); /* Component (2 bytes) */
Stream_Write_UINT16(s, header.PacketId); /* PacketId (2 bytes) */
Stream_Write_UINT16(s, numCapabilities); /* numCapabilities (2 bytes) */
Stream_Write_UINT16(s, 0); /* Padding (2 bytes) */
rdpdr_server_write_general_capability_set(context, s);
rdpdr_server_write_printer_capability_set(context, s);
rdpdr_server_write_port_capability_set(context, s);
rdpdr_server_write_drive_capability_set(context, s);
rdpdr_server_write_smartcard_capability_set(context, s);
Stream_SealLength(s);
status = WTSVirtualChannelWrite(context->priv->ChannelHandle, (PCHAR) Stream_Buffer(s), Stream_Length(s), &written);
Stream_Free(s, TRUE);
return 0;
}
static void audin_server_send_open(audin_server* audin, STREAM* s)
{
if (audin->context.selected_client_format < 0)
return;
audin->opened = TRUE;
stream_set_pos(s, 0);
stream_write_BYTE(s, MSG_SNDIN_OPEN);
stream_write_UINT32(s, audin->context.frames_per_packet); /* FramesPerPacket (4 bytes) */
stream_write_UINT32(s, audin->context.selected_client_format); /* initialFormat (4 bytes) */
/*
* [MS-RDPEAI] 3.2.5.1.6
* The second format specify the format that SHOULD be used to capture data from
* the actual audio input device.
*/
stream_write_UINT16(s, 1); /* wFormatTag = PCM */
stream_write_UINT16(s, 2); /* nChannels */
stream_write_UINT32(s, 44100); /* nSamplesPerSec */
stream_write_UINT32(s, 44100 * 2 * 2); /* nAvgBytesPerSec */
stream_write_UINT16(s, 4); /* nBlockAlign */
stream_write_UINT16(s, 16); /* wBitsPerSample */
stream_write_UINT16(s, 0); /* cbSize */
WTSVirtualChannelWrite(audin->audin_channel, stream_get_head(s), stream_get_length(s), NULL);
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT audin_server_send_open(audin_server* audin, wStream* s)
{
ULONG written;
if (audin->context.selected_client_format < 0)
{
WLog_ERR(TAG, "audin->context.selected_client_format = %d",
audin->context.selected_client_format);
return ERROR_INVALID_DATA;
}
audin->opened = TRUE;
Stream_SetPosition(s, 0);
Stream_Write_UINT8(s, MSG_SNDIN_OPEN);
Stream_Write_UINT32(s, audin->context.frames_per_packet); /* FramesPerPacket (4 bytes) */
Stream_Write_UINT32(s, audin->context.selected_client_format); /* initialFormat (4 bytes) */
/*
* [MS-RDPEAI] 3.2.5.1.6
* The second format specify the format that SHOULD be used to capture data from
* the actual audio input device.
*/
Stream_Write_UINT16(s, 1); /* wFormatTag = PCM */
Stream_Write_UINT16(s, 2); /* nChannels */
Stream_Write_UINT32(s, 44100); /* nSamplesPerSec */
Stream_Write_UINT32(s, 44100 * 2 * 2); /* nAvgBytesPerSec */
Stream_Write_UINT16(s, 4); /* nBlockAlign */
Stream_Write_UINT16(s, 16); /* wBitsPerSample */
Stream_Write_UINT16(s, 0); /* cbSize */
return WTSVirtualChannelWrite(audin->audin_channel, (PCHAR) Stream_Buffer(s), Stream_GetPosition(s), &written) ? CHANNEL_RC_OK : ERROR_INTERNAL_ERROR;
}
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;
}
static int rdpdr_server_send_client_id_confirm(RdpdrServerContext* context)
{
wStream* s;
BOOL status;
RDPDR_HEADER header;
ULONG written;
CLOG_DBG("RdpdrServerSendClientIdConfirm\n");
header.Component = RDPDR_CTYP_CORE;
header.PacketId = PAKID_CORE_CLIENTID_CONFIRM;
s = Stream_New(NULL, RDPDR_HEADER_LENGTH + 8);
Stream_Write_UINT16(s, header.Component); /* Component (2 bytes) */
Stream_Write_UINT16(s, header.PacketId); /* PacketId (2 bytes) */
Stream_Write_UINT16(s, context->priv->VersionMajor); /* VersionMajor (2 bytes) */
Stream_Write_UINT16(s, context->priv->VersionMinor); /* VersionMinor (2 bytes) */
Stream_Write_UINT32(s, context->priv->ClientId); /* ClientId (4 bytes) */
Stream_SealLength(s);
status = WTSVirtualChannelWrite(context->priv->ChannelHandle, (PCHAR) Stream_Buffer(s), Stream_Length(s), &written);
Stream_Free(s, TRUE);
return 0;
}
BOOL tf_peer_keyboard_event(rdpInput* input, UINT16 flags, UINT16 code)
{
freerdp_peer* client = input->context->peer;
rdpUpdate* update = client->update;
testPeerContext* context = (testPeerContext*) input->context;
WLog_DBG(TAG, "Client sent a keyboard event (flags:0x%04"PRIX16" code:0x%04"PRIX16")", flags,
code);
if ((flags & 0x4000) && code == 0x22) /* 'g' key */
{
if (client->settings->DesktopWidth != 800)
{
client->settings->DesktopWidth = 800;
client->settings->DesktopHeight = 600;
}
else
{
client->settings->DesktopWidth = SAMPLE_SERVER_DEFAULT_WIDTH;
client->settings->DesktopHeight = SAMPLE_SERVER_DEFAULT_HEIGHT;
}
if (!rfx_context_reset(context->rfx_context, client->settings->DesktopWidth,
client->settings->DesktopHeight))
return FALSE;
update->DesktopResize(update->context);
context->activated = FALSE;
}
else if ((flags & 0x4000) && code == 0x2E) /* 'c' key */
{
if (context->debug_channel)
{
ULONG written;
WTSVirtualChannelWrite(context->debug_channel, (PCHAR) "test2", 5, &written);
}
}
else if ((flags & 0x4000) && code == 0x2D) /* 'x' key */
{
client->Close(client);
}
else if ((flags & 0x4000) && code == 0x13) /* 'r' key */
{
if (!context->audin_open)
{
context->audin->Open(context->audin);
context->audin_open = TRUE;
}
else
{
context->audin->Close(context->audin);
context->audin_open = FALSE;
}
}
else if ((flags & 0x4000) && code == 0x1F) /* 's' key */
{
}
return TRUE;
}
static void audin_server_send_version(audin_server* audin, wStream* s)
{
ULONG written;
Stream_Write_UINT8(s, MSG_SNDIN_VERSION);
Stream_Write_UINT32(s, 1); /* Version (4 bytes) */
WTSVirtualChannelWrite(audin->audin_channel, (PCHAR) Stream_Buffer(s), Stream_GetPosition(s), &written);
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT remdesk_virtual_channel_write(RemdeskServerContext* context,
wStream* s)
{
BOOL status;
ULONG BytesWritten = 0;
status = WTSVirtualChannelWrite(context->priv->ChannelHandle,
(PCHAR) Stream_Buffer(s), Stream_Length(s), &BytesWritten);
return (status) ? CHANNEL_RC_OK : ERROR_INTERNAL_ERROR;
}
BOOL WTSVirtualChannelClose(
/* __in */ void* hChannelHandle)
{
wStream* s;
wts_data_item* item;
WTSVirtualChannelManager* vcm;
rdpPeerChannel* channel = (rdpPeerChannel*) hChannelHandle;
if (channel)
{
vcm = channel->vcm;
if (channel->channel_type == RDP_PEER_CHANNEL_TYPE_SVC)
{
if (channel->index < channel->client->settings->ChannelCount)
channel->client->settings->ChannelDefArray[channel->index].handle = NULL;
}
else
{
WaitForSingleObject(vcm->mutex, INFINITE);
list_remove(vcm->dvc_channel_list, channel);
ReleaseMutex(vcm->mutex);
if (channel->dvc_open_state == DVC_OPEN_STATE_SUCCEEDED)
{
s = stream_new(8);
wts_write_drdynvc_header(s, CLOSE_REQUEST_PDU, channel->channel_id);
WTSVirtualChannelWrite(vcm->drdynvc_channel, stream_get_head(s), stream_get_length(s), NULL);
stream_free(s);
}
}
if (channel->receive_data)
stream_free(channel->receive_data);
if (channel->receive_event)
CloseHandle(channel->receive_event);
if (channel->receive_queue)
{
while ((item = (wts_data_item*) list_dequeue(channel->receive_queue)) != NULL)
{
wts_data_item_free(item);
}
list_free(channel->receive_queue);
}
if (channel->mutex)
CloseHandle(channel->mutex);
free(channel);
}
return TRUE;
}
BOOL WINAPI FreeRDP_WTSVirtualChannelClose(HANDLE hChannelHandle)
{
wStream* s;
rdpMcs* mcs;
WTSVirtualChannelManager* vcm;
rdpPeerChannel* channel = (rdpPeerChannel*) hChannelHandle;
BOOL ret = TRUE;
if (channel)
{
vcm = channel->vcm;
mcs = vcm->client->context->rdp->mcs;
if (channel->channelType == RDP_PEER_CHANNEL_TYPE_SVC)
{
if (channel->index < mcs->channelCount)
mcs->channels[channel->index].handle = NULL;
}
else
{
ArrayList_Remove(vcm->dynamicVirtualChannels, channel);
if (channel->dvc_open_state == DVC_OPEN_STATE_SUCCEEDED)
{
ULONG written;
s = Stream_New(NULL, 8);
if (!s)
{
WLog_ERR(TAG, "Stream_New failed!");
ret = FALSE;
}
else
{
wts_write_drdynvc_header(s, CLOSE_REQUEST_PDU, channel->channelId);
ret = WTSVirtualChannelWrite(vcm->drdynvc_channel, (PCHAR) Stream_Buffer(s), Stream_GetPosition(s), &written);
Stream_Free(s, TRUE);
}
}
}
if (channel->receiveData)
Stream_Free(channel->receiveData, TRUE);
if (channel->queue)
{
MessageQueue_Free(channel->queue);
channel->queue = NULL;
}
free(channel);
}
return ret;
}
int remdesk_virtual_channel_write(RemdeskServerContext* context, wStream* s)
{
BOOL status;
ULONG BytesWritten = 0;
status = WTSVirtualChannelWrite(context->priv->ChannelHandle,
(PCHAR) Stream_Buffer(s), Stream_Length(s), &BytesWritten);
return (status) ? 1 : -1;
}
static void* tf_debug_channel_thread_func(void* arg)
{
void* fd;
STREAM* s;
void* buffer;
UINT32 bytes_returned = 0;
testPeerContext* context = (testPeerContext*) arg;
freerdp_thread* thread = context->debug_channel_thread;
if (WTSVirtualChannelQuery(context->debug_channel, WTSVirtualFileHandle, &buffer, &bytes_returned) == TRUE)
{
fd = *((void**) buffer);
WTSFreeMemory(buffer);
thread->signals[thread->num_signals++] = CreateFileDescriptorEvent(NULL, TRUE, FALSE, ((int) (long) fd));
}
s = stream_new(4096);
WTSVirtualChannelWrite(context->debug_channel, (BYTE*) "test1", 5, NULL);
while (1)
{
freerdp_thread_wait(thread);
if (freerdp_thread_is_stopped(thread))
break;
stream_set_pos(s, 0);
if (WTSVirtualChannelRead(context->debug_channel, 0, stream_get_head(s),
stream_get_size(s), &bytes_returned) == FALSE)
{
if (bytes_returned == 0)
break;
stream_check_size(s, bytes_returned);
if (WTSVirtualChannelRead(context->debug_channel, 0, stream_get_head(s),
stream_get_size(s), &bytes_returned) == FALSE)
{
/* should not happen */
break;
}
}
stream_set_pos(s, bytes_returned);
printf("got %d bytes\n", bytes_returned);
}
stream_free(s);
freerdp_thread_quit(thread);
return 0;
}
void tf_peer_keyboard_event(rdpInput* input, UINT16 flags, UINT16 code)
{
freerdp_peer* client = input->context->peer;
rdpUpdate* update = client->update;
testPeerContext* context = (testPeerContext*) input->context;
printf("Client sent a keyboard event (flags:0x%X code:0x%X)\n", flags, code);
if ((flags & 0x4000) && code == 0x22) /* 'g' key */
{
if (client->settings->DesktopWidth != 800)
{
client->settings->DesktopWidth = 800;
client->settings->DesktopHeight = 600;
}
else
{
client->settings->DesktopWidth = SAMPLE_SERVER_DEFAULT_WIDTH;
client->settings->DesktopHeight = SAMPLE_SERVER_DEFAULT_HEIGHT;
}
context->rfx_context->width = client->settings->DesktopWidth;
context->rfx_context->height = client->settings->DesktopHeight;
update->DesktopResize(update->context);
context->activated = FALSE;
}
else if ((flags & 0x4000) && code == 0x2E) /* 'c' key */
{
if (context->debug_channel)
{
WTSVirtualChannelWrite(context->debug_channel, (PCHAR) "test2", 5, NULL);
}
}
else if ((flags & 0x4000) && code == 0x2D) /* 'x' key */
{
client->Close(client);
}
else if ((flags & 0x4000) && code == 0x13) /* 'r' key */
{
if (!context->audin_open)
{
context->audin->Open(context->audin);
context->audin_open = TRUE;
}
else
{
context->audin->Close(context->audin);
context->audin_open = FALSE;
}
}
else if ((flags & 0x4000) && code == 0x1F) /* 's' key */
{
}
}
static void* tf_debug_channel_thread_func(void* arg)
{
void* fd;
wStream* s;
void* buffer;
DWORD BytesReturned = 0;
testPeerContext* context = (testPeerContext*) arg;
if (WTSVirtualChannelQuery(context->debug_channel, WTSVirtualFileHandle, &buffer, &BytesReturned) == TRUE)
{
fd = *((void**) buffer);
WTSFreeMemory(buffer);
context->event = CreateWaitObjectEvent(NULL, TRUE, FALSE, fd);
}
s = Stream_New(NULL, 4096);
WTSVirtualChannelWrite(context->debug_channel, (PCHAR) "test1", 5, NULL);
while (1)
{
WaitForSingleObject(context->event, INFINITE);
if (WaitForSingleObject(context->stopEvent, 0) == WAIT_OBJECT_0)
break;
Stream_SetPosition(s, 0);
if (WTSVirtualChannelRead(context->debug_channel, 0, (PCHAR) Stream_Buffer(s),
Stream_Capacity(s), &BytesReturned) == FALSE)
{
if (BytesReturned == 0)
break;
Stream_EnsureRemainingCapacity(s, BytesReturned);
if (WTSVirtualChannelRead(context->debug_channel, 0, (PCHAR) Stream_Buffer(s),
Stream_Capacity(s), &BytesReturned) == FALSE)
{
/* should not happen */
break;
}
}
Stream_SetPosition(s, BytesReturned);
printf("got %lu bytes\n", BytesReturned);
}
Stream_Free(s, TRUE);
return 0;
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT audin_server_send_version(audin_server* audin, wStream* s)
{
ULONG written;
Stream_Write_UINT8(s, MSG_SNDIN_VERSION);
Stream_Write_UINT32(s, 1); /* Version (4 bytes) */
if (!WTSVirtualChannelWrite(audin->audin_channel, (PCHAR) Stream_Buffer(s), Stream_GetPosition(s), &written))
{
WLog_ERR(TAG, "WTSVirtualChannelWrite failed!");
return ERROR_INTERNAL_ERROR;
}
return CHANNEL_RC_OK;
}
int main()
{
// Initialize the data for send/receive
char* data;
char* data1;
data = (char*)malloc(DSIZE);
data1 = (char*)malloc(DSIZE);
memset(data, 0xca, DSIZE);
memset(data1, 0, DSIZE);
// Open the skel channel in current session
void* channel = WTSVirtualChannelOpenEx(WTS_CURRENT_SESSION, "skel", 0);
unsigned long written = 0;
// Write the data to the channel
bool ret = WTSVirtualChannelWrite(channel, data, DSIZE, &written);
if (!ret)
{
long err = GetLastError();
fprintf(stderr, "error 0x%8.8x\n", err);
return 1;
}
ret = WTSVirtualChannelRead(channel, 100, data1, DSIZE, &written);
if (!ret)
{
long err = GetLastError();
fprintf(stderr, "error 0x%8.8x\n", err);
return 1;
}
if (written != DSIZE)
{
fprintf(stderr, "error read %d\n", written);
return 1;
}
ret = WTSVirtualChannelClose(channel);
if (memcmp(data, data1, DSIZE) == 0)
{
}
else
{
fprintf(stderr, "error data no match\n");
return 1;
}
fprintf(stderr, "Success!\n");
Sleep(2000);
return 0;
}
BOOL WTSVirtualChannelManagerCheckFileDescriptor(HANDLE hServer)
{
wMessage message;
BOOL status = TRUE;
rdpPeerChannel* channel;
UINT32 dynvc_caps;
WTSVirtualChannelManager* vcm = (WTSVirtualChannelManager*) hServer;
if ((vcm->drdynvc_state == DRDYNVC_STATE_NONE) && vcm->client->activated)
{
/* Initialize drdynvc channel once and only once. */
vcm->drdynvc_state = DRDYNVC_STATE_INITIALIZED;
channel = (rdpPeerChannel*) WTSVirtualChannelOpen((HANDLE) vcm,
WTS_CURRENT_SESSION, "drdynvc");
if (channel)
{
ULONG written;
vcm->drdynvc_channel = channel;
dynvc_caps = 0x00010050; /* DYNVC_CAPS_VERSION1 (4 bytes) */
if (!WTSVirtualChannelWrite(channel, (PCHAR) &dynvc_caps, sizeof(dynvc_caps),
&written))
return FALSE;
}
}
while (MessageQueue_Peek(vcm->queue, &message, TRUE))
{
BYTE* buffer;
UINT32 length;
UINT16 channelId;
channelId = (UINT16)(UINT_PTR) message.context;
buffer = (BYTE*) message.wParam;
length = (UINT32)(UINT_PTR) message.lParam;
if (vcm->client->SendChannelData(vcm->client, channelId, buffer,
length) == FALSE)
{
status = FALSE;
}
free(buffer);
if (!status)
break;
}
return status;
}
static void* tf_debug_channel_thread_func(void* arg)
{
void* fd;
STREAM* s;
void* buffer;
uint32 bytes_returned = 0;
testPeerContext* context = (testPeerContext*) arg;
freerdp_thread* thread = context->debug_channel_thread;
if (WTSVirtualChannelQuery(context->debug_channel, WTSVirtualFileHandle, &buffer, &bytes_returned) == true)
{
fd = *((void**)buffer);
WTSFreeMemory(buffer);
thread->signals[thread->num_signals++] = wait_obj_new_with_fd(fd);
}
s = stream_new(4096);
WTSVirtualChannelWrite(context->debug_channel, (uint8*) "test1", 5, NULL);
while (1)
{
freerdp_thread_wait(thread);
if (freerdp_thread_is_stopped(thread))
break;
stream_set_pos(s, 0);
if (WTSVirtualChannelRead(context->debug_channel, 0, stream_get_head(s),
stream_get_size(s), &bytes_returned) == false)
{
if (bytes_returned == 0)
break;
stream_check_size(s, bytes_returned);
if (WTSVirtualChannelRead(context->debug_channel, 0, stream_get_head(s),
stream_get_size(s), &bytes_returned) == false)
{
/* should not happen */
break;
}
}
stream_set_pos(s, bytes_returned);
printf("got %d bytes\n", bytes_returned);
}
stream_free(s);
freerdp_thread_quit(thread);
return 0;
}
/**
* Function description
* Send the stream for rdpgfx server packet.
* The packet would be compressed according to [MS-RDPEGFX].
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT rdpgfx_server_packet_send(RdpgfxServerContext* context, wStream* s)
{
UINT error;
UINT32 flags = 0;
ULONG written;
BYTE* pSrcData = Stream_Buffer(s);
UINT32 SrcSize = Stream_GetPosition(s);
wStream* fs;
/* Allocate new stream with enough capacity. Additional overhead is
* descriptor (1 bytes) + segmentCount (2 bytes) + uncompressedSize (4 bytes)
* + segmentCount * size (4 bytes) */
fs = Stream_New(NULL, SrcSize + 7
+ (SrcSize / ZGFX_SEGMENTED_MAXSIZE + 1) * 4);
if (!fs)
{
WLog_ERR(TAG, "Stream_New failed!");
error = CHANNEL_RC_NO_MEMORY;
goto out;
}
if (zgfx_compress_to_stream(context->priv->zgfx, fs, pSrcData,
SrcSize, &flags) < 0)
{
WLog_ERR(TAG, "zgfx_compress_to_stream failed!");
error = ERROR_INTERNAL_ERROR;
goto out;
}
if (!WTSVirtualChannelWrite(context->priv->rdpgfx_channel,
(PCHAR) Stream_Buffer(fs),
Stream_GetPosition(fs), &written))
{
WLog_ERR(TAG, "WTSVirtualChannelWrite failed!");
error = ERROR_INTERNAL_ERROR;
goto out;
}
if (written < Stream_GetPosition(fs))
{
WLog_WARN(TAG, "Unexpected bytes written: %lu/%lu",
written, Stream_GetPosition(fs));
}
error = CHANNEL_RC_OK;
out:
Stream_Free(fs, TRUE);
Stream_Free(s, TRUE);
return error;
}
boolean WTSVirtualChannelClose(
/* __in */ void* hChannelHandle)
{
STREAM* s;
wts_data_item* item;
WTSVirtualChannelManager* vcm;
rdpPeerChannel* channel = (rdpPeerChannel*) hChannelHandle;
if (channel)
{
vcm = channel->vcm;
if (channel->channel_type == RDP_PEER_CHANNEL_TYPE_SVC)
{
if (channel->index < channel->client->settings->num_channels)
channel->client->settings->channels[channel->index].handle = NULL;
}
else
{
freerdp_mutex_lock(vcm->mutex);
list_remove(vcm->dvc_channel_list, channel);
freerdp_mutex_unlock(vcm->mutex);
if (channel->dvc_open_state == DVC_OPEN_STATE_SUCCEEDED)
{
s = stream_new(8);
wts_write_drdynvc_header(s, CLOSE_REQUEST_PDU, channel->channel_id);
WTSVirtualChannelWrite(vcm->drdynvc_channel, stream_get_head(s), stream_get_length(s), NULL);
stream_free(s);
}
}
if (channel->receive_data)
stream_free(channel->receive_data);
if (channel->receive_event)
wait_obj_free(channel->receive_event);
if (channel->receive_queue)
{
while ((item = (wts_data_item*) list_dequeue(channel->receive_queue)) != NULL)
{
wts_data_item_free(item);
}
list_free(channel->receive_queue);
}
if (channel->mutex)
freerdp_mutex_free(channel->mutex);
xfree(channel);
}
return true;
}
BOOL rdpsnd_server_send_formats(RdpsndServerContext* context, wStream* s)
{
int pos;
UINT16 i;
BOOL status;
ULONG written;
Stream_Write_UINT8(s, SNDC_FORMATS);
Stream_Write_UINT8(s, 0);
Stream_Seek_UINT16(s);
Stream_Write_UINT32(s, 0); /* dwFlags */
Stream_Write_UINT32(s, 0); /* dwVolume */
Stream_Write_UINT32(s, 0); /* dwPitch */
Stream_Write_UINT16(s, 0); /* wDGramPort */
Stream_Write_UINT16(s, context->num_server_formats); /* wNumberOfFormats */
Stream_Write_UINT8(s, context->block_no); /* cLastBlockConfirmed */
Stream_Write_UINT16(s, 0x06); /* wVersion */
Stream_Write_UINT8(s, 0); /* bPad */
for (i = 0; i < context->num_server_formats; i++)
{
Stream_Write_UINT16(s, context->server_formats[i].wFormatTag); /* wFormatTag (WAVE_FORMAT_PCM) */
Stream_Write_UINT16(s, context->server_formats[i].nChannels); /* nChannels */
Stream_Write_UINT32(s, context->server_formats[i].nSamplesPerSec); /* nSamplesPerSec */
Stream_Write_UINT32(s, context->server_formats[i].nSamplesPerSec *
context->server_formats[i].nChannels *
context->server_formats[i].wBitsPerSample / 8); /* nAvgBytesPerSec */
Stream_Write_UINT16(s, context->server_formats[i].nBlockAlign); /* nBlockAlign */
Stream_Write_UINT16(s, context->server_formats[i].wBitsPerSample); /* wBitsPerSample */
Stream_Write_UINT16(s, context->server_formats[i].cbSize); /* cbSize */
if (context->server_formats[i].cbSize > 0)
{
Stream_Write(s, context->server_formats[i].data, context->server_formats[i].cbSize);
}
}
pos = Stream_GetPosition(s);
Stream_SetPosition(s, 2);
Stream_Write_UINT16(s, pos - 4);
Stream_SetPosition(s, pos);
status = WTSVirtualChannelWrite(context->priv->ChannelHandle, (PCHAR) Stream_Buffer(s), Stream_GetPosition(s), &written);
Stream_SetPosition(s, 0);
return status;
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT audin_server_send_formats(audin_server* audin, wStream* s)
{
int i;
UINT32 nAvgBytesPerSec;
ULONG written;
Stream_SetPosition(s, 0);
Stream_Write_UINT8(s, MSG_SNDIN_FORMATS);
Stream_Write_UINT32(s,
audin->context.num_server_formats); /* NumFormats (4 bytes) */
Stream_Write_UINT32(s,
0); /* cbSizeFormatsPacket (4 bytes), client-to-server only */
for (i = 0; i < audin->context.num_server_formats; i++)
{
nAvgBytesPerSec = audin->context.server_formats[i].nSamplesPerSec *
audin->context.server_formats[i].nChannels *
audin->context.server_formats[i].wBitsPerSample / 8;
if (!Stream_EnsureRemainingCapacity(s, 18))
{
WLog_ERR(TAG, "Stream_EnsureRemainingCapacity failed!");
return CHANNEL_RC_NO_MEMORY;
}
Stream_Write_UINT16(s, audin->context.server_formats[i].wFormatTag);
Stream_Write_UINT16(s, audin->context.server_formats[i].nChannels);
Stream_Write_UINT32(s, audin->context.server_formats[i].nSamplesPerSec);
Stream_Write_UINT32(s, nAvgBytesPerSec);
Stream_Write_UINT16(s, audin->context.server_formats[i].nBlockAlign);
Stream_Write_UINT16(s, audin->context.server_formats[i].wBitsPerSample);
Stream_Write_UINT16(s, audin->context.server_formats[i].cbSize);
if (audin->context.server_formats[i].cbSize)
{
if (!Stream_EnsureRemainingCapacity(s, audin->context.server_formats[i].cbSize))
{
WLog_ERR(TAG, "Stream_EnsureRemainingCapacity failed!");
return CHANNEL_RC_NO_MEMORY;
}
Stream_Write(s, audin->context.server_formats[i].data,
audin->context.server_formats[i].cbSize);
}
}
return WTSVirtualChannelWrite(audin->audin_channel, (PCHAR) Stream_Buffer(s),
Stream_GetPosition(s), &written) ? CHANNEL_RC_OK : ERROR_INTERNAL_ERROR;
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
UINT cliprdr_server_packet_send(CliprdrServerPrivate* cliprdr, wStream* s)
{
UINT32 pos;
BOOL status;
UINT32 dataLen;
UINT32 written;
pos = Stream_GetPosition(s);
dataLen = pos - 8;
Stream_SetPosition(s, 4);
Stream_Write_UINT32(s, dataLen);
Stream_SetPosition(s, pos);
status = WTSVirtualChannelWrite(cliprdr->ChannelHandle,
(PCHAR) Stream_Buffer(s), Stream_Length(s), &written);
Stream_Free(s, TRUE);
return status ? CHANNEL_RC_OK : ERROR_INTERNAL_ERROR;
}
