107 lines
3.2 KiB
C
107 lines
3.2 KiB
C
/*
|
|
* Licensed to the Apache Software Foundation (ASF) under one
|
|
* or more contributor license agreements. See the NOTICE file
|
|
* distributed with this work for additional information
|
|
* regarding copyright ownership. The ASF licenses this file
|
|
* to you under the Apache License, Version 2.0 (the
|
|
* "License"); you may not use this file except in compliance
|
|
* with the License. You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing,
|
|
* software distributed under the License is distributed on an
|
|
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
|
|
* KIND, either express or implied. See the License for the
|
|
* specific language governing permissions and limitations
|
|
* under the License.
|
|
*/
|
|
|
|
#include "config.h"
|
|
#include "common-svc.h"
|
|
#include "rdp.h"
|
|
#include "rdpsnd.h"
|
|
#include "rdpsnd_messages.h"
|
|
|
|
#include <freerdp/freerdp.h>
|
|
#include <guacamole/client.h>
|
|
#include <guacamole/client.h>
|
|
#include <winpr/stream.h>
|
|
|
|
#include <stdlib.h>
|
|
|
|
void guac_rdpsnd_process_receive(guac_rdp_common_svc* svc,
|
|
wStream* input_stream) {
|
|
|
|
guac_rdpsnd* rdpsnd = (guac_rdpsnd*) svc->data;
|
|
guac_rdpsnd_pdu_header header;
|
|
|
|
/* Read RDPSND PDU header */
|
|
Stream_Read_UINT8(input_stream, header.message_type);
|
|
Stream_Seek_UINT8(input_stream);
|
|
Stream_Read_UINT16(input_stream, header.body_size);
|
|
|
|
/*
|
|
* If next PDU is SNDWAVE (due to receiving WaveInfo PDU previously),
|
|
* ignore the header and parse as a Wave PDU.
|
|
*/
|
|
if (rdpsnd->next_pdu_is_wave) {
|
|
guac_rdpsnd_wave_handler(svc, input_stream, &header);
|
|
return;
|
|
}
|
|
|
|
/* Dispatch message to standard handlers */
|
|
switch (header.message_type) {
|
|
|
|
/* Server Audio Formats and Version PDU */
|
|
case SNDC_FORMATS:
|
|
guac_rdpsnd_formats_handler(svc, input_stream, &header);
|
|
break;
|
|
|
|
/* Training PDU */
|
|
case SNDC_TRAINING:
|
|
guac_rdpsnd_training_handler(svc, input_stream, &header);
|
|
break;
|
|
|
|
/* WaveInfo PDU */
|
|
case SNDC_WAVE:
|
|
guac_rdpsnd_wave_info_handler(svc, input_stream, &header);
|
|
break;
|
|
|
|
/* Close PDU */
|
|
case SNDC_CLOSE:
|
|
guac_rdpsnd_close_handler(svc, input_stream, &header);
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
void guac_rdpsnd_process_connect(guac_rdp_common_svc* svc) {
|
|
|
|
guac_rdpsnd* rdpsnd = (guac_rdpsnd*) calloc(1, sizeof(guac_rdpsnd));
|
|
svc->data = rdpsnd;
|
|
|
|
}
|
|
|
|
void guac_rdpsnd_process_terminate(guac_rdp_common_svc* svc) {
|
|
guac_rdpsnd* rdpsnd = (guac_rdpsnd*) svc->data;
|
|
free(rdpsnd);
|
|
}
|
|
|
|
void guac_rdpsnd_load_plugin(rdpContext* context) {
|
|
|
|
guac_client* client = ((rdp_freerdp_context*) context)->client;
|
|
|
|
/* Load support for RDPSND */
|
|
if (guac_rdp_common_svc_load_plugin(context, "rdpsnd", 0,
|
|
guac_rdpsnd_process_connect, guac_rdpsnd_process_receive,
|
|
guac_rdpsnd_process_terminate)) {
|
|
guac_client_log(client, GUAC_LOG_WARNING, "Support for the RDPSND "
|
|
"channel (audio output) could not be loaded. Sound will not "
|
|
"work. Drive redirection and printing MAY not work.");
|
|
}
|
|
|
|
}
|
|
|