Clean up streaming code - migrate to separate rdp_stream.[ch]

This commit is contained in:
Michael Jumper 2014-03-03 16:18:14 -08:00
parent 243f24722c
commit bccc1c7c76
6 changed files with 490 additions and 293 deletions

View File

@ -40,6 +40,7 @@ libguac_client_rdp_la_SOURCES = \
rdp_pointer.c \
rdp_rail.c \
rdp_settings.c \
rdp_stream.c \
rdp_svc.c \
unicode.c
@ -89,6 +90,7 @@ noinst_HEADERS = \
rdp_rail.h \
rdp_settings.h \
rdp_status.h \
rdp_stream.h \
rdp_svc.h \
unicode.h

View File

@ -30,7 +30,6 @@
#include "rdp_fs.h"
#include "rdp_keymap.h"
#include "rdp_settings.h"
#include "rdp_svc.h"
#include <pthread.h>
@ -203,90 +202,6 @@ typedef struct rdp_freerdp_context {
} rdp_freerdp_context;
/**
* The transfer status of a file being downloaded.
*/
typedef struct guac_rdp_download_status {
/**
* The file ID of the file being downloaded.
*/
int file_id;
/**
* The current position within the file.
*/
uint64_t offset;
} guac_rdp_download_status;
/**
* Structure which represents the current state of an upload.
*/
typedef struct guac_rdp_upload_status {
/**
* The overall offset within the file that the next write should
* occur at.
*/
int offset;
/**
* The ID of the file being written to.
*/
int file_id;
} guac_rdp_upload_status;
/**
* All available stream types.
*/
typedef enum guac_rdp_stream_type {
/**
* An in-progress file upload.
*/
GUAC_RDP_UPLOAD_STREAM,
/**
* An in-progress file download.
*/
GUAC_RDP_DOWNLOAD_STREAM,
/**
* The inbound half of a static virtual channel.
*/
GUAC_RDP_INBOUND_SVC_STREAM
} guac_rdp_stream_type;
/**
* Variable-typed stream data.
*/
typedef struct guac_rdp_stream {
/**
* The type of this stream.
*/
guac_rdp_stream_type type;
/**
* The file upload status. Only valid for GUAC_RDP_UPLOAD_STREAM.
*/
guac_rdp_upload_status upload_status;
/**
* The file upload status. Only valid for GUAC_RDP_DOWNLOAD_STREAM.
*/
guac_rdp_download_status download_status;
/**
* Associated SVC instance. Only valid for GUAC_RDP_INBOUND_SVC_STREAM.
*/
guac_rdp_svc* svc;
} guac_rdp_stream;
/**
* Given the coordinates and dimensions of a rectangle, clips the rectangle to be
* within the clipping bounds of the client data, if clipping is active.

View File

@ -28,7 +28,7 @@
#include "rdp_cliprdr.h"
#include "rdp_keymap.h"
#include "rdp_rail.h"
#include "rdp_svc.h"
#include "rdp_stream.h"
#include <errno.h>
#include <pthread.h>
@ -492,164 +492,48 @@ int rdp_guac_client_clipboard_handler(guac_client* client, char* data) {
}
/**
* Writes the given filename to the given upload path, sanitizing the filename
* and translating the filename to the root directory.
*/
static void __generate_upload_path(const char* filename, char* path) {
int i;
/* Add initial backslash */
*(path++) = '\\';
for (i=1; i<GUAC_RDP_FS_MAX_PATH; i++) {
/* Get current, stop at end */
char c = *(filename++);
if (c == '\0')
break;
/* Replace special characters with underscores */
if (c == '/' || c == '\\')
c = '_';
*(path++) = c;
}
/* Terminate path */
*path = '\0';
}
int rdp_guac_client_file_handler(guac_client* client, guac_stream* stream,
char* mimetype, char* filename) {
int file_id;
guac_rdp_stream* rdp_stream;
char file_path[GUAC_RDP_FS_MAX_PATH];
/* Get filesystem, return error if no filesystem */
guac_rdp_fs* fs = ((rdp_guac_client_data*) client->data)->filesystem;
if (fs == NULL) {
guac_protocol_send_ack(client->socket, stream, "FAIL (NO FS)",
GUAC_PROTOCOL_STATUS_INTERNAL_ERROR);
guac_socket_flush(client->socket);
return 0;
}
/* Translate name */
__generate_upload_path(filename, file_path);
/* Open file */
file_id = guac_rdp_fs_open(fs, file_path, ACCESS_GENERIC_WRITE, 0,
DISP_FILE_OVERWRITE_IF, 0);
if (file_id < 0) {
guac_protocol_send_ack(client->socket, stream, "FAIL (CANNOT OPEN)",
GUAC_PROTOCOL_STATUS_PERMISSION_DENIED);
guac_socket_flush(client->socket);
return 0;
}
/* Init upload status */
rdp_stream = malloc(sizeof(guac_rdp_stream));
rdp_stream->type = GUAC_RDP_UPLOAD_STREAM;
rdp_stream->upload_status.offset = 0;
rdp_stream->upload_status.file_id = file_id;
stream->data = rdp_stream;
guac_protocol_send_ack(client->socket, stream, "OK (STREAM BEGIN)",
GUAC_PROTOCOL_STATUS_SUCCESS);
guac_socket_flush(client->socket);
return 0;
/* All inbound files are file uploads */
return guac_rdp_upload_file_handler(client, stream, mimetype, filename);
}
int rdp_guac_client_pipe_handler(guac_client* client, guac_stream* stream,
char* mimetype, char* name) {
guac_rdp_stream* rdp_stream;
guac_rdp_svc* svc = guac_rdp_get_svc(client, name);
/* Fail if no such SVC */
if (svc == NULL) {
guac_client_log_error(client,
"Requested non-existent pipe: \"%s\".",
name);
guac_protocol_send_ack(client->socket, stream, "FAIL (NO SUCH PIPE)",
GUAC_PROTOCOL_STATUS_INVALID_PARAMETER);
guac_socket_flush(client->socket);
return 0;
}
else
guac_client_log_error(client,
"Inbound half of channel \"%s\" connected.",
name);
/* Init stream data */
stream->data = rdp_stream = malloc(sizeof(guac_rdp_stream));
rdp_stream->type = GUAC_RDP_INBOUND_SVC_STREAM;
rdp_stream->svc = svc;
svc->input_pipe = stream;
return 0;
/* All inbound pipes are SVC-related */
return guac_rdp_svc_pipe_handler(client, stream, mimetype, name);
}
int rdp_guac_client_blob_handler(guac_client* client, guac_stream* stream,
void* data, int length) {
int bytes_written;
guac_rdp_stream* rdp_stream = (guac_rdp_stream*) stream->data;
/* Write any received data if upload stream */
if (rdp_stream->type == GUAC_RDP_UPLOAD_STREAM) {
/* Handle based on stream type */
switch (rdp_stream->type) {
/* Inbound file stream */
case GUAC_RDP_UPLOAD_STREAM:
return guac_rdp_upload_blob_handler(client, stream, data, length);
/* SVC stream */
case GUAC_RDP_INBOUND_SVC_STREAM:
return guac_rdp_svc_blob_handler(client, stream, data, length);
/* Other streams do not accept blobs */
default:
guac_protocol_send_ack(client->socket, stream,
"FAIL (BLOB NOT EXPECTED)",
GUAC_PROTOCOL_STATUS_INVALID_PARAMETER);
/* Get filesystem, return error if no filesystem 0*/
guac_rdp_fs* fs = ((rdp_guac_client_data*) client->data)->filesystem;
if (fs == NULL) {
guac_protocol_send_ack(client->socket, stream, "FAIL (NO FS)",
GUAC_PROTOCOL_STATUS_INTERNAL_ERROR);
guac_socket_flush(client->socket);
return 0;
}
/* Write entire block */
while (length > 0) {
/* Attempt write */
bytes_written = guac_rdp_fs_write(fs,
rdp_stream->upload_status.file_id,
rdp_stream->upload_status.offset,
data, length);
/* On error, abort */
if (bytes_written < 0) {
guac_protocol_send_ack(client->socket, stream,
"FAIL (BAD WRITE)",
GUAC_PROTOCOL_STATUS_PERMISSION_DENIED);
guac_socket_flush(client->socket);
return 0;
}
/* Update counters */
rdp_stream->upload_status.offset += bytes_written;
data += bytes_written;
length -= bytes_written;
}
} /* end if upload stream */
/* Handle received SVC data */
else if (rdp_stream->type == GUAC_RDP_INBOUND_SVC_STREAM)
guac_rdp_svc_write(rdp_stream->svc, data, length);
guac_protocol_send_ack(client->socket, stream, "OK (DATA RECEIVED)",
GUAC_PROTOCOL_STATUS_SUCCESS);
guac_socket_flush(client->socket);
return 0;
}
}
@ -657,31 +541,24 @@ int rdp_guac_client_end_handler(guac_client* client, guac_stream* stream) {
guac_rdp_stream* rdp_stream = (guac_rdp_stream*) stream->data;
/* Close file for upload streams */
if (rdp_stream->type == GUAC_RDP_UPLOAD_STREAM) {
/* Handle based on stream type */
switch (rdp_stream->type) {
/* Inbound file stream */
case GUAC_RDP_UPLOAD_STREAM:
return guac_rdp_upload_end_handler(client, stream);
/* Other streams do not accept explicit closure */
default:
guac_protocol_send_ack(client->socket, stream,
"FAIL (END NOT EXPECTED)",
GUAC_PROTOCOL_STATUS_INVALID_PARAMETER);
/* Get filesystem, return error if no filesystem */
guac_rdp_fs* fs = ((rdp_guac_client_data*) client->data)->filesystem;
if (fs == NULL) {
guac_protocol_send_ack(client->socket, stream, "FAIL (NO FS)",
GUAC_PROTOCOL_STATUS_INTERNAL_ERROR);
guac_socket_flush(client->socket);
return 0;
}
/* Close file */
guac_rdp_fs_close(fs, rdp_stream->upload_status.file_id);
}
/* Acknowledge stream end */
guac_protocol_send_ack(client->socket, stream, "OK (STREAM END)",
GUAC_PROTOCOL_STATUS_SUCCESS);
guac_socket_flush(client->socket);
free(rdp_stream);
return 0;
}
int rdp_guac_client_ack_handler(guac_client* client, guac_stream* stream,
@ -693,61 +570,19 @@ int rdp_guac_client_ack_handler(guac_client* client, guac_stream* stream,
if (rdp_stream == NULL)
return 0;
/* Send more data when download blobs are acknowledged */
if (rdp_stream->type == GUAC_RDP_DOWNLOAD_STREAM) {
/* Handle other acks based on stream type */
switch (rdp_stream->type) {
/* Get filesystem, return error if no filesystem */
guac_rdp_fs* fs = ((rdp_guac_client_data*) client->data)->filesystem;
if (fs == NULL) {
guac_protocol_send_ack(client->socket, stream, "FAIL (NO FS)",
GUAC_PROTOCOL_STATUS_INTERNAL_ERROR);
guac_socket_flush(client->socket);
/* Inbound file stream */
case GUAC_RDP_DOWNLOAD_STREAM:
return guac_rdp_download_ack_handler(
client, stream, message, status);
/* Ignore acks on all other streams */
default:
return 0;
}
/* If successful, read data */
if (status == GUAC_PROTOCOL_STATUS_SUCCESS) {
/* Attempt read into buffer */
char buffer[4096];
int bytes_read = guac_rdp_fs_read(fs,
rdp_stream->download_status.file_id,
rdp_stream->download_status.offset, buffer, sizeof(buffer));
/* If bytes read, send as blob */
if (bytes_read > 0) {
rdp_stream->download_status.offset += bytes_read;
guac_protocol_send_blob(client->socket, stream,
buffer, bytes_read);
}
/* If EOF, send end */
else if (bytes_read == 0) {
guac_protocol_send_end(client->socket, stream);
guac_client_free_stream(client, stream);
free(rdp_stream);
}
/* Otherwise, fail stream */
else {
guac_client_log_error(client,
"Error reading file for download");
guac_protocol_send_end(client->socket, stream);
guac_client_free_stream(client, stream);
free(rdp_stream);
}
guac_socket_flush(client->socket);
}
/* Otherwise, return stream to client */
else
guac_client_free_stream(client, stream);
}
return 0;
}

View File

@ -24,6 +24,7 @@
#include "client.h"
#include "debug.h"
#include "rdp_stream.h"
#include "rdpdr_fs_service.h"
#include "rdpdr_messages.h"
#include "rdpdr_printer.h"

View File

@ -0,0 +1,292 @@
/*
* Copyright (C) 2013 Glyptodon LLC
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "config.h"
#include "client.h"
#include "rdp_fs.h"
#include "rdp_svc.h"
#include "rdp_stream.h"
#include <guacamole/client.h>
#include <guacamole/error.h>
#include <guacamole/protocol.h>
#include <guacamole/socket.h>
#ifdef ENABLE_WINPR
#include <winpr/wtypes.h>
#else
#include "compat/winpr-wtypes.h"
#endif
/**
* Writes the given filename to the given upload path, sanitizing the filename
* and translating the filename to the root directory.
*/
static void __generate_upload_path(const char* filename, char* path) {
int i;
/* Add initial backslash */
*(path++) = '\\';
for (i=1; i<GUAC_RDP_FS_MAX_PATH; i++) {
/* Get current, stop at end */
char c = *(filename++);
if (c == '\0')
break;
/* Replace special characters with underscores */
if (c == '/' || c == '\\')
c = '_';
*(path++) = c;
}
/* Terminate path */
*path = '\0';
}
int guac_rdp_upload_file_handler(guac_client* client, guac_stream* stream,
char* mimetype, char* filename) {
int file_id;
guac_rdp_stream* rdp_stream;
char file_path[GUAC_RDP_FS_MAX_PATH];
/* Get filesystem, return error if no filesystem */
guac_rdp_fs* fs = ((rdp_guac_client_data*) client->data)->filesystem;
if (fs == NULL) {
guac_protocol_send_ack(client->socket, stream, "FAIL (NO FS)",
GUAC_PROTOCOL_STATUS_INTERNAL_ERROR);
guac_socket_flush(client->socket);
return 0;
}
/* Translate name */
__generate_upload_path(filename, file_path);
/* Open file */
file_id = guac_rdp_fs_open(fs, file_path, ACCESS_GENERIC_WRITE, 0,
DISP_FILE_OVERWRITE_IF, 0);
if (file_id < 0) {
guac_protocol_send_ack(client->socket, stream, "FAIL (CANNOT OPEN)",
GUAC_PROTOCOL_STATUS_PERMISSION_DENIED);
guac_socket_flush(client->socket);
return 0;
}
/* Init upload status */
rdp_stream = malloc(sizeof(guac_rdp_stream));
rdp_stream->type = GUAC_RDP_UPLOAD_STREAM;
rdp_stream->upload_status.offset = 0;
rdp_stream->upload_status.file_id = file_id;
stream->data = rdp_stream;
guac_protocol_send_ack(client->socket, stream, "OK (STREAM BEGIN)",
GUAC_PROTOCOL_STATUS_SUCCESS);
guac_socket_flush(client->socket);
return 0;
}
int guac_rdp_svc_pipe_handler(guac_client* client, guac_stream* stream,
char* mimetype, char* name) {
guac_rdp_stream* rdp_stream;
guac_rdp_svc* svc = guac_rdp_get_svc(client, name);
/* Fail if no such SVC */
if (svc == NULL) {
guac_client_log_error(client,
"Requested non-existent pipe: \"%s\".",
name);
guac_protocol_send_ack(client->socket, stream, "FAIL (NO SUCH PIPE)",
GUAC_PROTOCOL_STATUS_INVALID_PARAMETER);
guac_socket_flush(client->socket);
return 0;
}
else
guac_client_log_error(client,
"Inbound half of channel \"%s\" connected.",
name);
/* Init stream data */
stream->data = rdp_stream = malloc(sizeof(guac_rdp_stream));
rdp_stream->type = GUAC_RDP_INBOUND_SVC_STREAM;
rdp_stream->svc = svc;
svc->input_pipe = stream;
return 0;
}
int guac_rdp_upload_blob_handler(guac_client* client, guac_stream* stream,
void* data, int length) {
int bytes_written;
guac_rdp_stream* rdp_stream = (guac_rdp_stream*) stream->data;
/* Get filesystem, return error if no filesystem 0*/
guac_rdp_fs* fs = ((rdp_guac_client_data*) client->data)->filesystem;
if (fs == NULL) {
guac_protocol_send_ack(client->socket, stream, "FAIL (NO FS)",
GUAC_PROTOCOL_STATUS_INTERNAL_ERROR);
guac_socket_flush(client->socket);
return 0;
}
/* Write entire block */
while (length > 0) {
/* Attempt write */
bytes_written = guac_rdp_fs_write(fs,
rdp_stream->upload_status.file_id,
rdp_stream->upload_status.offset,
data, length);
/* On error, abort */
if (bytes_written < 0) {
guac_protocol_send_ack(client->socket, stream,
"FAIL (BAD WRITE)",
GUAC_PROTOCOL_STATUS_PERMISSION_DENIED);
guac_socket_flush(client->socket);
return 0;
}
/* Update counters */
rdp_stream->upload_status.offset += bytes_written;
data += bytes_written;
length -= bytes_written;
}
guac_protocol_send_ack(client->socket, stream, "OK (DATA RECEIVED)",
GUAC_PROTOCOL_STATUS_SUCCESS);
guac_socket_flush(client->socket);
return 0;
}
int guac_rdp_svc_blob_handler(guac_client* client, guac_stream* stream,
void* data, int length) {
guac_rdp_stream* rdp_stream = (guac_rdp_stream*) stream->data;
/* Write blob data to SVC directly */
guac_rdp_svc_write(rdp_stream->svc, data, length);
guac_protocol_send_ack(client->socket, stream, "OK (DATA RECEIVED)",
GUAC_PROTOCOL_STATUS_SUCCESS);
guac_socket_flush(client->socket);
return 0;
}
int guac_rdp_upload_end_handler(guac_client* client, guac_stream* stream) {
guac_rdp_stream* rdp_stream = (guac_rdp_stream*) stream->data;
/* Get filesystem, return error if no filesystem */
guac_rdp_fs* fs = ((rdp_guac_client_data*) client->data)->filesystem;
if (fs == NULL) {
guac_protocol_send_ack(client->socket, stream, "FAIL (NO FS)",
GUAC_PROTOCOL_STATUS_INTERNAL_ERROR);
guac_socket_flush(client->socket);
return 0;
}
/* Close file */
guac_rdp_fs_close(fs, rdp_stream->upload_status.file_id);
/* Acknowledge stream end */
guac_protocol_send_ack(client->socket, stream, "OK (STREAM END)",
GUAC_PROTOCOL_STATUS_SUCCESS);
guac_socket_flush(client->socket);
free(rdp_stream);
return 0;
}
int guac_rdp_download_ack_handler(guac_client* client, guac_stream* stream,
char* message, guac_protocol_status status) {
guac_rdp_stream* rdp_stream = (guac_rdp_stream*) stream->data;
/* Get filesystem, return error if no filesystem */
guac_rdp_fs* fs = ((rdp_guac_client_data*) client->data)->filesystem;
if (fs == NULL) {
guac_protocol_send_ack(client->socket, stream, "FAIL (NO FS)",
GUAC_PROTOCOL_STATUS_INTERNAL_ERROR);
guac_socket_flush(client->socket);
return 0;
}
/* If successful, read data */
if (status == GUAC_PROTOCOL_STATUS_SUCCESS) {
/* Attempt read into buffer */
char buffer[4096];
int bytes_read = guac_rdp_fs_read(fs,
rdp_stream->download_status.file_id,
rdp_stream->download_status.offset, buffer, sizeof(buffer));
/* If bytes read, send as blob */
if (bytes_read > 0) {
rdp_stream->download_status.offset += bytes_read;
guac_protocol_send_blob(client->socket, stream,
buffer, bytes_read);
}
/* If EOF, send end */
else if (bytes_read == 0) {
guac_protocol_send_end(client->socket, stream);
guac_client_free_stream(client, stream);
free(rdp_stream);
}
/* Otherwise, fail stream */
else {
guac_client_log_error(client,
"Error reading file for download");
guac_protocol_send_end(client->socket, stream);
guac_client_free_stream(client, stream);
free(rdp_stream);
}
guac_socket_flush(client->socket);
}
/* Otherwise, return stream to client */
else
guac_client_free_stream(client, stream);
return 0;
}

View File

@ -0,0 +1,152 @@
/*
* Copyright (C) 2013 Glyptodon LLC
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#ifndef _GUAC_RDP_STREAM_H
#define _GUAC_RDP_STREAM_H
#include "config.h"
#include "rdp_svc.h"
#include <stdint.h>
/**
* The transfer status of a file being downloaded.
*/
typedef struct guac_rdp_download_status {
/**
* The file ID of the file being downloaded.
*/
int file_id;
/**
* The current position within the file.
*/
uint64_t offset;
} guac_rdp_download_status;
/**
* Structure which represents the current state of an upload.
*/
typedef struct guac_rdp_upload_status {
/**
* The overall offset within the file that the next write should
* occur at.
*/
int offset;
/**
* The ID of the file being written to.
*/
int file_id;
} guac_rdp_upload_status;
/**
* All available stream types.
*/
typedef enum guac_rdp_stream_type {
/**
* An in-progress file upload.
*/
GUAC_RDP_UPLOAD_STREAM,
/**
* An in-progress file download.
*/
GUAC_RDP_DOWNLOAD_STREAM,
/**
* The inbound half of a static virtual channel.
*/
GUAC_RDP_INBOUND_SVC_STREAM
} guac_rdp_stream_type;
/**
* Variable-typed stream data.
*/
typedef struct guac_rdp_stream {
/**
* The type of this stream.
*/
guac_rdp_stream_type type;
/**
* The file upload status. Only valid for GUAC_RDP_UPLOAD_STREAM.
*/
guac_rdp_upload_status upload_status;
/**
* The file upload status. Only valid for GUAC_RDP_DOWNLOAD_STREAM.
*/
guac_rdp_download_status download_status;
/**
* Associated SVC instance. Only valid for GUAC_RDP_INBOUND_SVC_STREAM.
*/
guac_rdp_svc* svc;
} guac_rdp_stream;
/**
* Handler for inbound files related to file uploads.
*/
int guac_rdp_upload_file_handler(guac_client* client, guac_stream* stream,
char* mimetype, char* filename);
/**
* Handler for inbound pipes related to static virtual channels.
*/
int guac_rdp_svc_pipe_handler(guac_client* client, guac_stream* stream,
char* mimetype, char* name);
/**
* Handler for stream data related to file uploads.
*/
int guac_rdp_upload_blob_handler(guac_client* client, guac_stream* stream,
void* data, int length);
/**
* Handler for stream data related to static virtual channels.
*/
int guac_rdp_svc_blob_handler(guac_client* client, guac_stream* stream,
void* data, int length);
/**
* Handler for end-of-stream related to file uploads.
*/
int guac_rdp_upload_end_handler(guac_client* client, guac_stream* stream);
/**
* Handler for acknowledgements of receipt of data related to file downloads.
*/
int guac_rdp_download_ack_handler(guac_client* client, guac_stream* stream,
char* message, guac_protocol_status status);
#endif