154 lines
4.0 KiB
C
154 lines
4.0 KiB
C
/**
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* FreeRDP: A Remote Desktop Protocol client.
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* Clipboard Virtual Channel
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*
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* Copyright 2009-2011 Jay Sorg
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* Copyright 2010-2011 Vic Lee
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <freerdp/constants.h>
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#include <freerdp/types.h>
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#include <freerdp/utils/memory.h>
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#include <freerdp/utils/svc_plugin.h>
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#include "cliprdr_constants.h"
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#include "cliprdr_main.h"
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STREAM* cliprdr_packet_new(uint16 msgType, uint16 msgFlags, uint32 dataLen)
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{
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STREAM* data_out;
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data_out = stream_new(dataLen + 8);
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stream_write_uint16(data_out, msgType);
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stream_write_uint16(data_out, msgFlags);
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/* Write actual length after the entire packet has been constructed. */
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stream_seek(data_out, 4);
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return data_out;
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}
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void cliprdr_packet_send(cliprdrPlugin* cliprdr, STREAM* data_out)
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{
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int pos;
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uint32 dataLen;
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pos = stream_get_pos(data_out);
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dataLen = pos - 8;
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stream_set_pos(data_out, 4);
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stream_write_uint32(data_out, dataLen);
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stream_set_pos(data_out, pos);
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svc_plugin_send((rdpSvcPlugin*)cliprdr, data_out);
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}
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static void cliprdr_process_connect(rdpSvcPlugin* plugin)
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{
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DEBUG_SVC("connecting");
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}
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static void cliprdr_process_clip_caps(cliprdrPlugin* cliprdr, STREAM* data_in)
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{
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uint16 cCapabilitiesSets;
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stream_read_uint16(data_in, cCapabilitiesSets);
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DEBUG_SVC("cCapabilitiesSets %d", cCapabilitiesSets);
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}
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static void cliprdr_send_clip_caps(cliprdrPlugin* cliprdr)
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{
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STREAM* data_out;
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data_out = cliprdr_packet_new(CB_CLIP_CAPS, 0, 4 + CB_CAPSTYPE_GENERAL_LEN);
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stream_write_uint16(data_out, 1); /* cCapabilitiesSets */
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stream_write_uint16(data_out, 0); /* pad1 */
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stream_write_uint16(data_out, CB_CAPSTYPE_GENERAL); /* capabilitySetType */
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stream_write_uint16(data_out, CB_CAPSTYPE_GENERAL_LEN); /* lengthCapability */
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stream_write_uint32(data_out, CB_CAPS_VERSION_2); /* version */
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stream_write_uint32(data_out, 0); /* generalFlags */
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cliprdr_packet_send(cliprdr, data_out);
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}
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static void cliprdr_process_monitor_ready(cliprdrPlugin* cliprdr)
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{
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cliprdr_send_clip_caps(cliprdr);
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}
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static void cliprdr_process_receive(rdpSvcPlugin* plugin, STREAM* data_in)
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{
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cliprdrPlugin* cliprdr = (cliprdrPlugin*)plugin;
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uint16 msgType;
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uint16 msgFlags;
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uint32 dataLen;
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stream_read_uint16(data_in, msgType);
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stream_read_uint16(data_in, msgFlags);
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stream_read_uint32(data_in, dataLen);
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DEBUG_SVC("msgType %d msgFlags %d dataLen %d", msgType, msgFlags, dataLen);
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switch (msgType)
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{
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case CB_CLIP_CAPS:
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cliprdr_process_clip_caps(cliprdr, data_in);
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break;
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case CB_MONITOR_READY:
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cliprdr_process_monitor_ready(cliprdr);
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break;
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default:
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DEBUG_WARN("unknown msgType %d", msgType);
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break;
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}
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stream_free(data_in);
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}
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static void cliprdr_process_event(rdpSvcPlugin* plugin, FRDP_EVENT* event)
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{
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}
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static void cliprdr_process_terminate(rdpSvcPlugin* plugin)
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{
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xfree(plugin);
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}
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int VirtualChannelEntry(PCHANNEL_ENTRY_POINTS pEntryPoints)
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{
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cliprdrPlugin* cliprdr;
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cliprdr = (cliprdrPlugin*)xmalloc(sizeof(cliprdrPlugin));
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memset(cliprdr, 0, sizeof(cliprdrPlugin));
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cliprdr->plugin.channel_def.options = CHANNEL_OPTION_INITIALIZED |
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CHANNEL_OPTION_ENCRYPT_RDP | CHANNEL_OPTION_COMPRESS_RDP |
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CHANNEL_OPTION_SHOW_PROTOCOL;
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strcpy(cliprdr->plugin.channel_def.name, "cliprdr");
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cliprdr->plugin.connect_callback = cliprdr_process_connect;
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cliprdr->plugin.receive_callback = cliprdr_process_receive;
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cliprdr->plugin.event_callback = cliprdr_process_event;
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cliprdr->plugin.terminate_callback = cliprdr_process_terminate;
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svc_plugin_init((rdpSvcPlugin*)cliprdr, pEntryPoints);
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return 1;
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}
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