Add typing to stream data.
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@ -30,6 +30,7 @@
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#include "rdp_fs.h"
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#include "rdp_keymap.h"
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#include "rdp_settings.h"
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#include "rdp_svc.h"
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#include <pthread.h>
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@ -219,6 +220,73 @@ typedef struct guac_rdp_download_status {
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} guac_rdp_download_status;
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/**
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* Structure which represents the current state of an upload.
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*/
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typedef struct guac_rdp_upload_status {
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/**
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* The overall offset within the file that the next write should
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* occur at.
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*/
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int offset;
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/**
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* The ID of the file being written to.
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*/
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int file_id;
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} guac_rdp_upload_status;
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/**
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* All available stream types.
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*/
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typedef enum guac_rdp_stream_type {
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/**
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* An in-progress file upload.
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*/
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GUAC_RDP_UPLOAD_STREAM,
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/**
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* An in-progress file download.
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*/
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GUAC_RDP_DOWNLOAD_STREAM,
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/**
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* The inbound half of a static virtual channel.
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*/
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GUAC_RDP_INBOUND_SVC_STREAM
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} guac_rdp_stream_type;
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/**
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* Variable-typed stream data.
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*/
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typedef struct guac_rdp_stream {
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/**
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* The type of this stream.
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*/
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guac_rdp_stream_type type;
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/**
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* The file upload status. Only valid for GUAC_RDP_UPLOAD_STREAM.
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*/
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guac_rdp_upload_status upload_status;
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/**
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* The file upload status. Only valid for GUAC_RDP_DOWNLOAD_STREAM.
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*/
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guac_rdp_download_status download_status;
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/**
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* Associated SVC instance. Only valid for GUAC_RDP_SVC_STREAM.
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*/
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guac_rdp_svc* svc;
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} guac_rdp_stream;
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/**
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* Given the coordinates and dimensions of a rectangle, clips the rectangle to be
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* within the clipping bounds of the client data, if clipping is active.
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@ -527,7 +527,7 @@ int rdp_guac_client_file_handler(guac_client* client, guac_stream* stream,
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char* mimetype, char* filename) {
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int file_id;
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guac_rdp_upload_stat* stat;
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guac_rdp_stream* rdp_stream;
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char file_path[GUAC_RDP_FS_MAX_PATH];
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/* Get filesystem, return error if no filesystem */
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@ -553,24 +553,29 @@ int rdp_guac_client_file_handler(guac_client* client, guac_stream* stream,
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}
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/* Init upload status */
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stat = malloc(sizeof(guac_rdp_upload_stat));
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stat->offset = 0;
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stat->file_id = file_id;
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stream->data = stat;
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rdp_stream = malloc(sizeof(guac_rdp_stream));
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rdp_stream->type = GUAC_RDP_UPLOAD_STREAM;
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rdp_stream->upload_status.offset = 0;
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rdp_stream->upload_status.file_id = file_id;
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stream->data = rdp_stream;
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guac_protocol_send_ack(client->socket, stream, "OK (STREAM BEGIN)",
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GUAC_PROTOCOL_STATUS_SUCCESS);
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guac_socket_flush(client->socket);
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return 0;
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}
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int rdp_guac_client_blob_handler(guac_client* client, guac_stream* stream,
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void* data, int length) {
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int bytes_written;
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guac_rdp_upload_stat* stat;
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guac_rdp_stream* rdp_stream = (guac_rdp_stream*) stream->data;
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/* Get filesystem, return error if no filesystem */
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/* Write any received data if upload stream */
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if (rdp_stream->type == GUAC_RDP_UPLOAD_STREAM) {
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/* Get filesystem, return error if no filesystem 0*/
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guac_rdp_fs* fs = ((rdp_guac_client_data*) client->data)->filesystem;
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if (fs == NULL) {
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guac_protocol_send_ack(client->socket, stream, "FAIL (NO FS)",
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@ -579,40 +584,46 @@ int rdp_guac_client_blob_handler(guac_client* client, guac_stream* stream,
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return 0;
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}
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/* Get upload status */
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stat = (guac_rdp_upload_stat*) stream->data;
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/* Write entire block */
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while (length > 0) {
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/* Attempt write */
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bytes_written = guac_rdp_fs_write(fs, stat->file_id, stat->offset,
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bytes_written = guac_rdp_fs_write(fs,
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rdp_stream->upload_status.file_id,
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rdp_stream->upload_status.offset,
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data, length);
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/* On error, abort */
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if (bytes_written < 0) {
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guac_protocol_send_ack(client->socket, stream, "FAIL (BAD WRITE)",
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guac_protocol_send_ack(client->socket, stream,
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"FAIL (BAD WRITE)",
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GUAC_PROTOCOL_STATUS_PERMISSION_DENIED);
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guac_socket_flush(client->socket);
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return 0;
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}
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/* Update counters */
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stat->offset += bytes_written;
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rdp_stream->upload_status.offset += bytes_written;
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data += bytes_written;
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length -= bytes_written;
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}
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guac_protocol_send_ack(client->socket, stream, "OK (DATA WRITTEN)",
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} /* end if upload stream */
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guac_protocol_send_ack(client->socket, stream, "OK (DATA RECEIVED)",
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GUAC_PROTOCOL_STATUS_SUCCESS);
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guac_socket_flush(client->socket);
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return 0;
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}
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int rdp_guac_client_end_handler(guac_client* client, guac_stream* stream) {
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guac_rdp_upload_stat* stat;
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guac_rdp_stream* rdp_stream = (guac_rdp_stream*) stream->data;
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/* Close file for upload streams */
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if (rdp_stream->type == GUAC_RDP_UPLOAD_STREAM) {
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/* Get filesystem, return error if no filesystem */
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guac_rdp_fs* fs = ((rdp_guac_client_data*) client->data)->filesystem;
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@ -623,30 +634,33 @@ int rdp_guac_client_end_handler(guac_client* client, guac_stream* stream) {
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return 0;
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}
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/* Get upload status */
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stat = (guac_rdp_upload_stat*) stream->data;
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/* Close file */
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guac_rdp_fs_close(fs, stat->file_id);
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free(stat);
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guac_rdp_fs_close(fs, rdp_stream->upload_status.file_id);
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}
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/* Acknowledge stream end */
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guac_protocol_send_ack(client->socket, stream, "OK (STREAM END)",
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GUAC_PROTOCOL_STATUS_SUCCESS);
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guac_socket_flush(client->socket);
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free(rdp_stream);
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return 0;
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}
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int rdp_guac_client_ack_handler(guac_client* client, guac_stream* stream,
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char* message, guac_protocol_status status) {
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/* Get status */
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guac_rdp_download_status* download =
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(guac_rdp_download_status*) stream->data;
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guac_rdp_stream* rdp_stream = (guac_rdp_stream*) stream->data;
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/* Ignore acks for non-download stream data */
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if (download == NULL)
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if (rdp_stream == NULL)
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return 0;
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/* Send more data when download blobs are acknowledged */
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if (rdp_stream->type == GUAC_RDP_DOWNLOAD_STREAM) {
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/* Get filesystem, return error if no filesystem */
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guac_rdp_fs* fs = ((rdp_guac_client_data*) client->data)->filesystem;
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if (fs == NULL) {
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@ -661,12 +675,13 @@ int rdp_guac_client_ack_handler(guac_client* client, guac_stream* stream,
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/* Attempt read into buffer */
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char buffer[4096];
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int bytes_read = guac_rdp_fs_read(fs, download->file_id,
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download->offset, buffer, sizeof(buffer));
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int bytes_read = guac_rdp_fs_read(fs,
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rdp_stream->download_status.file_id,
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rdp_stream->download_status.offset, buffer, sizeof(buffer));
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/* If bytes read, send as blob */
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if (bytes_read > 0) {
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download->offset += bytes_read;
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rdp_stream->download_status.offset += bytes_read;
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guac_protocol_send_blob(client->socket, stream,
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buffer, bytes_read);
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}
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@ -675,15 +690,16 @@ int rdp_guac_client_ack_handler(guac_client* client, guac_stream* stream,
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else if (bytes_read == 0) {
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guac_protocol_send_end(client->socket, stream);
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guac_client_free_stream(client, stream);
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free(download);
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free(rdp_stream);
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}
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/* Otherwise, fail stream */
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else {
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guac_client_log_error(client, "Error reading file for download");
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guac_client_log_error(client,
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"Error reading file for download");
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guac_protocol_send_end(client->socket, stream);
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guac_client_free_stream(client, stream);
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free(download);
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free(rdp_stream);
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}
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guac_socket_flush(client->socket);
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@ -694,6 +710,8 @@ int rdp_guac_client_ack_handler(guac_client* client, guac_stream* stream,
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else
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guac_client_free_stream(client, stream);
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}
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return 0;
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}
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@ -29,24 +29,6 @@
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#include <guacamole/client.h>
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#include <guacamole/stream.h>
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/**
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* Structure which represents the current state of an upload.
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*/
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typedef struct guac_rdp_upload_stat {
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/**
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* The overall offset within the file that the next write should
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* occur at.
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*/
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int offset;
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/**
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* The ID of the file being written to.
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*/
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int file_id;
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} guac_rdp_upload_stat;
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int rdp_guac_client_free_handler(guac_client* client);
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int rdp_guac_client_handle_messages(guac_client* client);
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int rdp_guac_client_mouse_handler(guac_client* client, int x, int y, int mask);
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@ -230,7 +230,7 @@ void guac_rdpdr_start_download(guac_rdpdr_device* device, const char* path) {
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/* If file opened successfully, start stream */
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if (file_id >= 0) {
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guac_rdp_download_status* status;
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guac_rdp_stream* rdp_stream;
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const char* basename;
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int i;
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@ -238,9 +238,10 @@ void guac_rdpdr_start_download(guac_rdpdr_device* device, const char* path) {
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/* Associate stream with transfer status */
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guac_stream* stream = guac_client_alloc_stream(client);
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stream->data = status = malloc(sizeof(guac_rdp_download_status));
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status->file_id = file_id;
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status->offset = 0;
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stream->data = rdp_stream = malloc(sizeof(guac_rdp_stream));
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rdp_stream->type = GUAC_RDP_DOWNLOAD_STREAM;
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rdp_stream->download_status.file_id = file_id;
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rdp_stream->download_status.offset = 0;
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/* Get basename from absolute path */
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i=0;
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