guac_stream* guac_sftp_download_file(guac_client* client,
char* filename) {
ssh_guac_client_data* client_data = (ssh_guac_client_data*) client->data;
guac_stream* stream;
LIBSSH2_SFTP_HANDLE* file;
/* Attempt to open file for reading */
file = libssh2_sftp_open(client_data->sftp_session, filename,
LIBSSH2_FXF_READ, 0);
if (file == NULL) {
guac_client_log_error(client, "Unable to read file \"%s\": %s",
filename,
libssh2_sftp_last_error(client_data->sftp_session));
return NULL;
}
/* Allocate stream */
stream = guac_client_alloc_stream(client);
stream->ack_handler = guac_sftp_ack_handler;
stream->data = file;
/* Send stream start, strip name */
filename = basename(filename);
guac_protocol_send_file(client->socket, stream,
"application/octet-stream", filename);
guac_socket_flush(client->socket);
return stream;
}
void guac_rdpdr_start_download(guac_rdpdr_device* device, const char* path) {
/* Get client and stream */
guac_client* client = device->rdpdr->client;
int file_id = guac_rdp_fs_open((guac_rdp_fs*) device->data, path,
ACCESS_FILE_READ_DATA, 0, DISP_FILE_OPEN, 0);
/* If file opened successfully, start stream */
if (file_id >= 0) {
guac_rdp_stream* rdp_stream;
const char* basename;
int i;
char c;
/* Associate stream with transfer status */
guac_stream* stream = guac_client_alloc_stream(client);
stream->data = rdp_stream = malloc(sizeof(guac_rdp_stream));
stream->ack_handler = guac_rdp_download_ack_handler;
rdp_stream->type = GUAC_RDP_DOWNLOAD_STREAM;
rdp_stream->download_status.file_id = file_id;
rdp_stream->download_status.offset = 0;
/* Get basename from absolute path */
i=0;
basename = path;
do {
c = path[i];
if (c == '/' || c == '\\')
basename = &(path[i+1]);
i++;
} while (c != '\0');
GUAC_RDP_DEBUG(2, "Initiating download of \"%s\"", path);
/* Begin stream */
guac_protocol_send_file(client->socket, stream,
"application/octet-stream", basename);
guac_socket_flush(client->socket);
}
else
guac_client_log(client, GUAC_LOG_ERROR, "Unable to download \"%s\"", path);
}
void guac_rdpdr_process_print_job_write(guac_rdpdr_device* device,
wStream* input_stream, int completion_id) {
guac_rdpdr_printer_data* printer_data = (guac_rdpdr_printer_data*) device->data;
int status=0, length;
unsigned char* buffer;
wStream* output_stream;
Stream_Read_UINT32(input_stream, length);
Stream_Seek(input_stream, 8); /* Offset */
Stream_Seek(input_stream, 20); /* Padding */
buffer = Stream_Pointer(input_stream);
/* Create print job, if not yet created */
if (printer_data->bytes_received == 0) {
char filename[1024] = "guacamole-print.pdf";
unsigned char* search = buffer;
int i;
/* Search for filename within buffer */
for (i=0; i<length-9 && i < 2048; i++) {
/* If title. use as filename */
if (memcmp(search, "%%Title: ", 9) == 0) {
/* Skip past "%%Title: " */
search += 9;
/* Copy as much of title as reasonable */
int j;
for (j=0; j<sizeof(filename) - 5 /* extension + 1 */ && i<length; i++, j++) {
/* Get character, stop at EOL */
char c = *(search++);
if (c == '\r' || c == '\n')
break;
/* Copy to filename */
filename[j] = c;
}
/* Append filename with extension */
strcpy(&(filename[j]), ".pdf");
break;
}
/* Next character */
search++;
}
/* Begin file */
guac_client_log(device->rdpdr->client, GUAC_LOG_INFO, "Print job created");
guac_protocol_send_file(device->rdpdr->client->socket,
printer_data->stream, "application/pdf", filename);
/* Start print process */
if (guac_rdpdr_create_print_process(device) != 0) {
status = STATUS_DEVICE_OFF_LINE;
length = 0;
}
}
printer_data->bytes_received += length;
/* If not yet failed, write received data */
if (status == 0) {
/* Write data to printer, translate output for RDP */
length = write(printer_data->printer_input, buffer, length);
if (length == -1) {
guac_client_log(device->rdpdr->client, GUAC_LOG_ERROR, "Error writing to printer: %s", strerror(errno));
status = STATUS_DEVICE_OFF_LINE;
length = 0;
}
}
output_stream = guac_rdpdr_new_io_completion(device, completion_id,
status, 5);
Stream_Write_UINT32(output_stream, length);
Stream_Write_UINT8(output_stream, 0); /* Padding */
svc_plugin_send((rdpSvcPlugin*) device->rdpdr, output_stream);
}