void guac_rdpdr_fs_process_close(guac_rdpdr_device* device,
wStream* input_stream, int file_id, int completion_id) {
wStream* output_stream;
guac_rdp_fs_file* file;
guac_client_log(device->rdpdr->client, GUAC_LOG_DEBUG,
"%s: [file_id=%i]",
__func__, file_id);
/* Get file */
file = guac_rdp_fs_get_file((guac_rdp_fs*) device->data, file_id);
if (file == NULL)
return;
/* If file was written to, and it's in the \Download folder, start stream */
if (file->bytes_written > 0 &&
strncmp(file->absolute_path, "\\Download\\", 10) == 0) {
guac_rdpdr_start_download(device, file->absolute_path);
guac_rdp_fs_delete((guac_rdp_fs*) device->data, file_id);
}
/* Close file */
guac_rdp_fs_close((guac_rdp_fs*) device->data, file_id);
output_stream = guac_rdpdr_new_io_completion(device, completion_id,
STATUS_SUCCESS, 4);
Stream_Write(output_stream, "\0\0\0\0", 4); /* Padding */
svc_plugin_send((rdpSvcPlugin*) device->rdpdr, output_stream);
}
void guac_rdpdr_fs_process_query_basic_info(guac_rdpdr_device* device, wStream* input_stream,
int file_id, int completion_id) {
wStream* output_stream;
guac_rdp_fs_file* file;
/* Get file */
file = guac_rdp_fs_get_file((guac_rdp_fs*) device->data, file_id);
if (file == NULL)
return;
GUAC_RDP_DEBUG(2, "[file_id=%i]", file_id);
output_stream = guac_rdpdr_new_io_completion(device, completion_id,
STATUS_SUCCESS, 40);
Stream_Write_UINT32(output_stream, 36);
Stream_Write_UINT64(output_stream, file->ctime); /* CreationTime */
Stream_Write_UINT64(output_stream, file->atime); /* LastAccessTime */
Stream_Write_UINT64(output_stream, file->mtime); /* LastWriteTime */
Stream_Write_UINT64(output_stream, file->mtime); /* ChangeTime */
Stream_Write_UINT32(output_stream, file->attributes); /* FileAttributes */
/* Reserved field must not be sent */
svc_plugin_send((rdpSvcPlugin*) device->rdpdr, output_stream);
}
void guac_rdpdr_fs_process_query_attribute_tag_info(guac_rdpdr_device* device,
wStream* input_stream, int file_id, int completion_id) {
wStream* output_stream;
guac_rdp_fs_file* file;
/* Get file */
file = guac_rdp_fs_get_file((guac_rdp_fs*) device->data, file_id);
if (file == NULL)
return;
GUAC_RDP_DEBUG(2, "[file_id=%i]", file_id);
output_stream = guac_rdpdr_new_io_completion(device, completion_id,
STATUS_SUCCESS, 12);
Stream_Write_UINT32(output_stream, 8);
Stream_Write_UINT32(output_stream, file->attributes); /* FileAttributes */
Stream_Write_UINT32(output_stream, 0); /* ReparseTag */
/* Reserved field must not be sent */
svc_plugin_send((rdpSvcPlugin*) device->rdpdr, output_stream);
}
static int drdynvc_process_close_request(drdynvcPlugin* drdynvc, int Sp, int cbChId, wStream* s)
{
UINT32 ChannelId;
wStream* data_out;
int value;
int error;
ChannelId = drdynvc_read_variable_uint(s, cbChId);
DEBUG_DVC("ChannelId=%d", ChannelId);
dvcman_close_channel(drdynvc->channel_mgr, ChannelId);
data_out = Stream_New(NULL, 4);
value = (CLOSE_REQUEST_PDU << 4) | (cbChId & 0x03);
Stream_Write_UINT8(data_out, value);
drdynvc_write_variable_uint(data_out, ChannelId);
error = svc_plugin_send((rdpSvcPlugin*) drdynvc, data_out);
if (error != CHANNEL_RC_OK)
{
DEBUG_WARN("VirtualChannelWrite failed %d", error);
return 1;
}
drdynvc->channel_error = error;
return 0;
}
/* server is getting a feel of the round trip time */
void guac_rdpsnd_training_handler(guac_rdpsndPlugin* rdpsnd,
wStream* input_stream, guac_rdpsnd_pdu_header* header) {
int data_size;
wStream* output_stream;
/* Get associated client data */
guac_client* client = rdpsnd->client;
guac_rdp_client* rdp_client = (guac_rdp_client*) client->data;
/* Read timestamp and data size */
Stream_Read_UINT16(input_stream, rdpsnd->server_timestamp);
Stream_Read_UINT16(input_stream, data_size);
/* Send training response */
output_stream = Stream_New(NULL, 8);
Stream_Write_UINT8(output_stream, SNDC_TRAINING);
Stream_Write_UINT8(output_stream, 0);
Stream_Write_UINT16(output_stream, 4);
Stream_Write_UINT16(output_stream, rdpsnd->server_timestamp);
Stream_Write_UINT16(output_stream, data_size);
pthread_mutex_lock(&(rdp_client->rdp_lock));
svc_plugin_send((rdpSvcPlugin*) rdpsnd, output_stream);
pthread_mutex_unlock(&(rdp_client->rdp_lock));
}
void guac_rdpdr_fs_process_query_standard_info(guac_rdpdr_device* device, wStream* input_stream,
int file_id, int completion_id) {
wStream* output_stream;
guac_rdp_fs_file* file;
BOOL is_directory = FALSE;
/* Get file */
file = guac_rdp_fs_get_file((guac_rdp_fs*) device->data, file_id);
if (file == NULL)
return;
GUAC_RDP_DEBUG(2, "[file_id=%i]", file_id);
if (file->attributes & FILE_ATTRIBUTE_DIRECTORY)
is_directory = TRUE;
output_stream = guac_rdpdr_new_io_completion(device, completion_id,
STATUS_SUCCESS, 26);
Stream_Write_UINT32(output_stream, 22);
Stream_Write_UINT64(output_stream, file->size); /* AllocationSize */
Stream_Write_UINT64(output_stream, file->size); /* EndOfFile */
Stream_Write_UINT32(output_stream, 1); /* NumberOfLinks */
Stream_Write_UINT8(output_stream, 0); /* DeletePending */
Stream_Write_UINT8(output_stream, is_directory); /* Directory */
/* Reserved field must not be sent */
svc_plugin_send((rdpSvcPlugin*) device->rdpdr, output_stream);
}
void guac_rdpdr_process_print_job_close(guac_rdpdr_device* device,
wStream* input_stream, int completion_id) {
guac_rdpdr_printer_data* printer_data =
(guac_rdpdr_printer_data*) device->data;
wStream* output_stream = guac_rdpdr_new_io_completion(device,
completion_id, STATUS_SUCCESS, 1);
Stream_Write_UINT32(output_stream, 0); /* padding*/
/* Close input and wait for output thread to finish */
close(printer_data->printer_input);
pthread_join(printer_data->printer_output_thread, NULL);
/* Close file descriptors */
close(printer_data->printer_output);
/* Close file */
guac_client_log(device->rdpdr->client, GUAC_LOG_INFO, "Print job closed");
guac_protocol_send_end(device->rdpdr->client->socket, printer_data->stream);
svc_plugin_send((rdpSvcPlugin*) device->rdpdr, output_stream);
}
static int drdynvc_process_capability_request(drdynvcPlugin* drdynvc, int Sp, int cbChId, wStream* s)
{
wStream* data_out;
int error;
DEBUG_DVC("Sp=%d cbChId=%d", Sp, cbChId);
Stream_Seek(s, 1); /* pad */
Stream_Read_UINT16(s, drdynvc->version);
/* RDP8 servers offer version 3, though Microsoft forgot to document it
* in their early documents. It behaves the same as version 2.
*/
if ((drdynvc->version == 2) || (drdynvc->version == 3))
{
Stream_Read_UINT16(s, drdynvc->PriorityCharge0);
Stream_Read_UINT16(s, drdynvc->PriorityCharge1);
Stream_Read_UINT16(s, drdynvc->PriorityCharge2);
Stream_Read_UINT16(s, drdynvc->PriorityCharge3);
}
data_out = Stream_New(NULL, 4);
Stream_Write_UINT16(data_out, 0x0050); /* Cmd+Sp+cbChId+Pad. Note: MSTSC sends 0x005c */
Stream_Write_UINT16(data_out, drdynvc->version);
error = svc_plugin_send((rdpSvcPlugin*) drdynvc, data_out);
if (error != CHANNEL_RC_OK)
{
DEBUG_WARN("VirtualChannelWrite failed %d", error);
return 1;
}
drdynvc->channel_error = error;
return 0;
}
static void sample_process_receive(rdpSvcPlugin* plugin, STREAM* data_in)
{
int bytes;
STREAM* data_out;
samplePlugin* sample = (samplePlugin*) plugin;
printf("sample_process_receive:\n");
if (!sample)
{
printf("sample_process_receive: sample is nil\n");
return;
}
/* process data in (from server) here */
/* here we just send the same data back */
bytes = stream_get_size(data_in);
printf("sample_process_receive: got bytes %d\n", bytes);
if (bytes > 0)
{
data_out = stream_new(bytes);
stream_copy(data_out, data_in, bytes);
/* svc_plugin_send takes ownership of data_out, that is why
we do not free it */
bytes = stream_get_length(data_in);
printf("sample_process_receive: sending bytes %d\n", bytes);
svc_plugin_send(plugin, data_out);
}
stream_free(data_in);
}
static void rdpdr_send_client_name_request(rdpdrPlugin* rdpdr)
{
STREAM* data_out;
size_t computerNameLenW;
UNICONV* uniconv;
char* s;
uniconv = freerdp_uniconv_new();
if (!rdpdr->computerName[0])
gethostname(rdpdr->computerName, sizeof(rdpdr->computerName) - 1);
s = freerdp_uniconv_out(uniconv, rdpdr->computerName, &computerNameLenW);
data_out = stream_new(16 + computerNameLenW + 2);
stream_write_uint16(data_out, RDPDR_CTYP_CORE);
stream_write_uint16(data_out, PAKID_CORE_CLIENT_NAME);
stream_write_uint32(data_out, 1); /* unicodeFlag, 0 for ASCII and 1 for Unicode */
stream_write_uint32(data_out, 0); /* codePage, must be set to zero */
stream_write_uint32(data_out, computerNameLenW + 2); /* computerNameLen, including null terminator */
stream_write(data_out, s, computerNameLenW);
stream_write_uint16(data_out, 0); /* null terminator */
xfree(s);
freerdp_uniconv_free(uniconv);
svc_plugin_send((rdpSvcPlugin*)rdpdr, data_out);
}
static void rdpdr_send_client_name_request(rdpdrPlugin* rdpdr)
{
STREAM* data_out;
WCHAR* computerNameW = NULL;
size_t computerNameLenW;
if (!rdpdr->computerName[0])
gethostname(rdpdr->computerName, sizeof(rdpdr->computerName) - 1);
computerNameLenW = ConvertToUnicode(CP_UTF8, 0, rdpdr->computerName, -1, &computerNameW, 0) * 2;
data_out = stream_new(16 + computerNameLenW + 2);
stream_write_UINT16(data_out, RDPDR_CTYP_CORE);
stream_write_UINT16(data_out, PAKID_CORE_CLIENT_NAME);
stream_write_UINT32(data_out, 1); /* unicodeFlag, 0 for ASCII and 1 for Unicode */
stream_write_UINT32(data_out, 0); /* codePage, must be set to zero */
stream_write_UINT32(data_out, computerNameLenW + 2); /* computerNameLen, including null terminator */
stream_write(data_out, computerNameW, computerNameLenW);
stream_write_UINT16(data_out, 0); /* null terminator */
free(computerNameW);
svc_plugin_send((rdpSvcPlugin*) rdpdr, data_out);
}
void guac_rdpdr_fs_process_set_end_of_file_info(guac_rdpdr_device* device,
wStream* input_stream, int file_id, int completion_id, int length) {
int result;
UINT64 size;
wStream* output_stream;
/* Read new size */
Stream_Read_UINT64(input_stream, size); /* AllocationSize */
GUAC_RDP_DEBUG(2, "[file_id=%i] size=%" PRIu64, file_id, (uint64_t) size);
/* Truncate file */
result = guac_rdp_fs_truncate((guac_rdp_fs*) device->data, file_id, size);
if (result < 0)
output_stream = guac_rdpdr_new_io_completion(device,
completion_id, guac_rdp_fs_get_status(result), 4);
else
output_stream = guac_rdpdr_new_io_completion(device,
completion_id, STATUS_SUCCESS, 4);
Stream_Write_UINT32(output_stream, length);
svc_plugin_send((rdpSvcPlugin*) device->rdpdr, output_stream);
}
static int drdynvc_process_capability_request(drdynvcPlugin* drdynvc, int Sp, int cbChId, STREAM* data_in)
{
STREAM* data_out;
int error;
DEBUG_DVC("Sp=%d cbChId=%d", Sp, cbChId);
stream_seek(data_in, 1); /* pad */
stream_read_uint16(data_in, drdynvc->version);
if (drdynvc->version == 2)
{
stream_read_uint16(data_in, drdynvc->PriorityCharge0);
stream_read_uint16(data_in, drdynvc->PriorityCharge1);
stream_read_uint16(data_in, drdynvc->PriorityCharge2);
stream_read_uint16(data_in, drdynvc->PriorityCharge3);
}
data_out = stream_new(4);
stream_write_uint16(data_out, 0x0050); /* Cmd+Sp+cbChId+Pad. Note: MSTSC sends 0x005c */
stream_write_uint16(data_out, drdynvc->version);
error = svc_plugin_send((rdpSvcPlugin*)drdynvc, data_out);
if (error != CHANNEL_RC_OK)
{
DEBUG_WARN("VirtualChannelWrite failed %d", error);
return 1;
}
return 0;
}
static int drdynvc_process_create_request(drdynvcPlugin* drdynvc, int Sp, int cbChId, wStream* s)
{
int pos;
int status;
UINT32 ChannelId;
wStream* data_out;
int channel_status;
if (drdynvc->state == DRDYNVC_STATE_CAPABILITIES)
{
/**
* For some reason the server does not always send the
* capabilities pdu as it should. When this happens,
* send a capabilities response.
*/
drdynvc->version = 3;
drdynvc_send_capability_response(drdynvc);
drdynvc->state = DRDYNVC_STATE_READY;
}
ChannelId = drdynvc_read_variable_uint(s, cbChId);
pos = Stream_GetPosition(s);
DEBUG_DVC("ChannelId=%d ChannelName=%s", ChannelId, Stream_Pointer(s));
channel_status = dvcman_create_channel(drdynvc->channel_mgr, ChannelId, (char*) Stream_Pointer(s));
data_out = Stream_New(NULL, pos + 4);
Stream_Write_UINT8(data_out, 0x10 | cbChId);
Stream_SetPosition(s, 1);
Stream_Copy(data_out, s, pos - 1);
if (channel_status == 0)
{
DEBUG_DVC("channel created");
Stream_Write_UINT32(data_out, 0);
}
else
{
DEBUG_DVC("no listener");
Stream_Write_UINT32(data_out, (UINT32)(-1));
}
status = svc_plugin_send((rdpSvcPlugin*) drdynvc, data_out);
if (status != CHANNEL_RC_OK)
{
DEBUG_WARN("VirtualChannelWrite failed %d", status);
return 1;
}
if (channel_status == 0)
{
dvcman_open_channel(drdynvc->channel_mgr, ChannelId);
}
return 0;
}
void rail_send_channel_data(void* rail_object, void* data, size_t length)
{
wStream* s = NULL;
railPlugin* plugin = (railPlugin*) rail_object;
s = Stream_New(NULL, length);
Stream_Write(s, data, length);
svc_plugin_send((rdpSvcPlugin*) plugin, s);
}
void rail_send_channel_data(void* rail_object, void* data, size_t length)
{
STREAM* s = NULL;
railPlugin* plugin = (railPlugin*) rail_object;
s = stream_new(length);
stream_write(s, data, length);
svc_plugin_send((rdpSvcPlugin*) plugin, s);
}
void guac_rdpdr_fs_process_set_rename_info(guac_rdpdr_device* device,
wStream* input_stream, int file_id, int completion_id, int length) {
int result;
int filename_length;
wStream* output_stream;
char destination_path[GUAC_RDP_FS_MAX_PATH];
/* Read structure */
Stream_Seek_UINT8(input_stream); /* ReplaceIfExists */
Stream_Seek_UINT8(input_stream); /* RootDirectory */
Stream_Read_UINT32(input_stream, filename_length); /* FileNameLength */
/* Convert name to UTF-8 */
guac_rdp_utf16_to_utf8(Stream_Pointer(input_stream), filename_length/2,
destination_path, sizeof(destination_path));
GUAC_RDP_DEBUG(2, "[file_id=%i] destination_path=\"%s\"", file_id, destination_path);
/* If file moving to \Download folder, start stream, do not move */
if (strncmp(destination_path, "\\Download\\", 10) == 0) {
guac_rdp_fs_file* file;
/* Get file */
file = guac_rdp_fs_get_file((guac_rdp_fs*) device->data, file_id);
if (file == NULL)
return;
/* Initiate download, pretend move succeeded */
guac_rdpdr_start_download(device, file->absolute_path);
output_stream = guac_rdpdr_new_io_completion(device,
completion_id, STATUS_SUCCESS, 4);
}
/* Otherwise, rename as requested */
else {
result = guac_rdp_fs_rename((guac_rdp_fs*) device->data, file_id,
destination_path);
if (result < 0)
output_stream = guac_rdpdr_new_io_completion(device,
completion_id, guac_rdp_fs_get_status(result), 4);
else
output_stream = guac_rdpdr_new_io_completion(device,
completion_id, STATUS_SUCCESS, 4);
}
Stream_Write_UINT32(output_stream, length);
svc_plugin_send((rdpSvcPlugin*) device->rdpdr, output_stream);
}
static void rdpdbg_process_receive(rdpSvcPlugin* plugin, STREAM* data_in)
{
STREAM* data_out;
DEBUG_WARN("size %d", stream_get_size(data_in));
stream_free(data_in);
data_out = stream_new(8);
stream_write(data_out, "senddata", 8);
svc_plugin_send(plugin, data_out);
}
void guac_rdpdr_fs_process_set_volume_info(guac_rdpdr_device* device,
wStream* input_stream, int file_id, int completion_id) {
wStream* output_stream = guac_rdpdr_new_io_completion(device,
completion_id, STATUS_NOT_SUPPORTED, 0);
guac_client_log(device->rdpdr->client, GUAC_LOG_DEBUG,
"%s: [file_id=%i] Set volume info not supported",
__func__, file_id);
svc_plugin_send((rdpSvcPlugin*) device->rdpdr, output_stream);
}
void cliprdr_packet_send(cliprdrPlugin* cliprdr, STREAM* s)
{
int pos;
uint32 dataLen;
pos = stream_get_pos(s);
dataLen = pos - 8;
stream_set_pos(s, 4);
stream_write_uint32(s, dataLen);
stream_set_pos(s, pos);
svc_plugin_send((rdpSvcPlugin*) cliprdr, s);
}
void guac_rdpdr_fs_process_set_basic_info(guac_rdpdr_device* device,
wStream* input_stream, int file_id, int completion_id, int length) {
wStream* output_stream = guac_rdpdr_new_io_completion(device,
completion_id, STATUS_SUCCESS, 4);
/* Currently do nothing, just respond */
Stream_Write_UINT32(output_stream, length);
GUAC_RDP_DEBUG(2, "[file_id=%i] IGNORED", file_id);
svc_plugin_send((rdpSvcPlugin*) device->rdpdr, output_stream);
}
void cliprdr_packet_send(cliprdrPlugin* cliprdr, wStream* s)
{
int pos;
UINT32 dataLen;
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
svc_plugin_send((rdpSvcPlugin*) cliprdr, s);
}
static void rdpdr_send_client_announce_reply(rdpdrPlugin* rdpdr)
{
STREAM* data_out;
data_out = stream_new(12);
stream_write_UINT16(data_out, RDPDR_CTYP_CORE);
stream_write_UINT16(data_out, PAKID_CORE_CLIENTID_CONFIRM);
stream_write_UINT16(data_out, rdpdr->versionMajor);
stream_write_UINT16(data_out, rdpdr->versionMinor);
stream_write_UINT32(data_out, (UINT32) rdpdr->clientID);
svc_plugin_send((rdpSvcPlugin*) rdpdr, data_out);
}
void guac_rdpdr_fs_process_lock_control(guac_rdpdr_device* device, wStream* input_stream,
int file_id, int completion_id) {
wStream* output_stream = guac_rdpdr_new_io_completion(device,
completion_id, STATUS_NOT_SUPPORTED, 5);
guac_client_log(device->rdpdr->client, GUAC_LOG_DEBUG,
"%s: [file_id=%i] Lock not supported",
__func__, file_id);
Stream_Zero(output_stream, 5); /* Padding */
svc_plugin_send((rdpSvcPlugin*) device->rdpdr, output_stream);
}
void guac_rdpdr_fs_process_query_device_info(guac_rdpdr_device* device, wStream* input_stream,
int file_id, int completion_id) {
wStream* output_stream = guac_rdpdr_new_io_completion(device,
completion_id, STATUS_SUCCESS, 12);
GUAC_RDP_DEBUG(2, "[file_id=%i]", file_id);
Stream_Write_UINT32(output_stream, 8);
Stream_Write_UINT32(output_stream, FILE_DEVICE_DISK); /* DeviceType */
Stream_Write_UINT32(output_stream, 0); /* Characteristics */
svc_plugin_send((rdpSvcPlugin*) device->rdpdr, output_stream);
}
void guac_rdpdr_fs_process_read(guac_rdpdr_device* device,
wStream* input_stream, int file_id, int completion_id) {
UINT32 length;
UINT64 offset;
char* buffer;
int bytes_read;
wStream* output_stream;
/* Read packet */
Stream_Read_UINT32(input_stream, length);
Stream_Read_UINT64(input_stream, offset);
guac_client_log(device->rdpdr->client, GUAC_LOG_DEBUG,
"%s: [file_id=%i] length=%i, offset=%" PRIu64,
__func__, file_id, length, (uint64_t) offset);
/* Ensure buffer size does not exceed a safe maximum */
if (length > GUAC_RDP_MAX_READ_BUFFER)
length = GUAC_RDP_MAX_READ_BUFFER;
/* Allocate buffer */
buffer = malloc(length);
/* Attempt read */
bytes_read = guac_rdp_fs_read((guac_rdp_fs*) device->data, file_id, offset,
buffer, length);
/* If error, return invalid parameter */
if (bytes_read < 0) {
output_stream = guac_rdpdr_new_io_completion(device, completion_id,
guac_rdp_fs_get_status(bytes_read), 4);
Stream_Write_UINT32(output_stream, 0); /* Length */
}
/* Otherwise, send bytes read */
else {
output_stream = guac_rdpdr_new_io_completion(device, completion_id,
STATUS_SUCCESS, 4+bytes_read);
Stream_Write_UINT32(output_stream, bytes_read); /* Length */
Stream_Write(output_stream, buffer, bytes_read); /* ReadData */
}
svc_plugin_send((rdpSvcPlugin*) device->rdpdr, output_stream);
free(buffer);
}
static void irp_complete(IRP* irp)
{
int pos;
DEBUG_SVC("DeviceId %d FileId %d CompletionId %d", irp->device->id, irp->FileId, irp->CompletionId);
pos = stream_get_pos(irp->output);
stream_set_pos(irp->output, 12);
stream_write_uint32(irp->output, irp->IoStatus);
stream_set_pos(irp->output, pos);
svc_plugin_send(irp->devman->plugin, irp->output);
irp->output = NULL;
irp_free(irp);
}
void guac_rdpdr_fs_process_device_control(guac_rdpdr_device* device,
wStream* input_stream, int file_id, int completion_id) {
wStream* output_stream = guac_rdpdr_new_io_completion(device,
completion_id, STATUS_INVALID_PARAMETER, 4);
guac_client_log(device->rdpdr->client, GUAC_LOG_DEBUG,
"%s: [file_id=%i] IGNORED",
__func__, file_id);
/* No content for now */
Stream_Write_UINT32(output_stream, 0);
svc_plugin_send((rdpSvcPlugin*) device->rdpdr, output_stream);
}
void guac_rdpdr_process_print_job_create(guac_rdpdr_device* device,
wStream* input_stream, int completion_id) {
guac_rdpdr_printer_data* printer_data =
(guac_rdpdr_printer_data*) device->data;
wStream* output_stream = guac_rdpdr_new_io_completion(device,
completion_id, STATUS_SUCCESS, 4);
/* No bytes received yet */
printer_data->bytes_received = 0;
Stream_Write_UINT32(output_stream, 0); /* fileId */
svc_plugin_send((rdpSvcPlugin*) device->rdpdr, output_stream);
}
void guac_rdpsnd_wave_handler(guac_rdpsndPlugin* rdpsnd,
wStream* input_stream, guac_rdpsnd_pdu_header* header) {
rdpSvcPlugin* plugin = (rdpSvcPlugin*)rdpsnd;
/* Get associated client data */
guac_client* client = rdpsnd->client;
guac_rdp_client* rdp_client = (guac_rdp_client*) client->data;
/* Get audio stream from client data */
guac_audio_stream* audio = rdp_client->audio;
/* Wave Confirmation PDU */
wStream* output_stream = Stream_New(NULL, 8);
/* Get wave data */
unsigned char* buffer = Stream_Buffer(input_stream);
/* Copy over first four bytes */
memcpy(buffer, rdpsnd->initial_wave_data, 4);
/* Write rest of audio packet */
if (audio != NULL) {
guac_audio_stream_write_pcm(audio, buffer,
rdpsnd->incoming_wave_size + 4);
guac_audio_stream_flush(audio);
}
/* Write Wave Confirmation PDU */
Stream_Write_UINT8(output_stream, SNDC_WAVECONFIRM);
Stream_Write_UINT8(output_stream, 0);
Stream_Write_UINT16(output_stream, 4);
Stream_Write_UINT16(output_stream, rdpsnd->server_timestamp);
Stream_Write_UINT8(output_stream, rdpsnd->waveinfo_block_number);
Stream_Write_UINT8(output_stream, 0);
/* Send Wave Confirmation PDU */
pthread_mutex_lock(&(rdp_client->rdp_lock));
svc_plugin_send(plugin, output_stream);
pthread_mutex_unlock(&(rdp_client->rdp_lock));
/* We no longer expect to receive wave data */
rdpsnd->next_pdu_is_wave = FALSE;
}
