2011-08-02 22:03:02 +04:00
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/**
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2012-10-09 07:02:04 +04:00
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* FreeRDP: A Remote Desktop Protocol Implementation
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2014-02-12 00:42:28 +04:00
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* Client Channels
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2011-08-02 22:03:02 +04:00
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*
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2014-02-12 00:42:28 +04:00
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* Copyright 2014 Marc-Andre Moreau <marcandre.moreau@gmail.com>
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2011-08-02 22:03:02 +04:00
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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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2012-08-15 01:09:01 +04:00
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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2014-09-12 16:36:29 +04:00
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#include <freerdp/log.h>
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2014-02-16 01:32:38 +04:00
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#include "rdp.h"
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2014-02-12 00:42:28 +04:00
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#include "client.h"
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2014-02-11 08:13:29 +04:00
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2014-09-12 16:36:29 +04:00
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#define TAG FREERDP_TAG("core.client")
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2015-01-20 14:31:11 +03:00
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static void* g_pInterface = NULL;
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2014-02-11 08:13:29 +04:00
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static CHANNEL_INIT_DATA g_ChannelInitData;
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2014-02-15 23:57:10 +04:00
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static wHashTable* g_OpenHandles = NULL;
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2014-02-11 08:13:29 +04:00
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/* To generate unique sequence for all open handles */
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int g_open_handle_sequence = 1;
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/* For locking the global resources */
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static CRITICAL_SECTION g_channels_lock;
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2014-02-16 02:42:59 +04:00
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CHANNEL_OPEN_DATA* freerdp_channels_find_channel_open_data_by_name(rdpChannels* channels, const char* name)
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2014-02-11 08:13:29 +04:00
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{
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int index;
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CHANNEL_OPEN_DATA* pChannelOpenData;
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for (index = 0; index < channels->openDataCount; index++)
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{
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pChannelOpenData = &channels->openDataList[index];
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2014-02-16 02:42:59 +04:00
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if (strcmp(name, pChannelOpenData->name) == 0)
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2014-02-11 08:13:29 +04:00
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return pChannelOpenData;
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}
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return NULL;
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}
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/* returns rdpChannel for the channel name passed in */
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2014-02-16 01:32:38 +04:00
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rdpMcsChannel* freerdp_channels_find_channel_by_name(rdpRdp* rdp, const char* name)
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2014-02-11 08:13:29 +04:00
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{
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2014-05-10 17:50:36 +04:00
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UINT32 index;
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2014-02-16 01:32:38 +04:00
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rdpMcsChannel* channel;
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rdpMcs* mcs = rdp->mcs;
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2014-02-11 08:13:29 +04:00
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2014-02-16 01:32:38 +04:00
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for (index = 0; index < mcs->channelCount; index++)
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2014-02-11 08:13:29 +04:00
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{
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2014-02-16 01:32:38 +04:00
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channel = &mcs->channels[index];
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2014-02-11 08:13:29 +04:00
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2014-02-16 01:32:38 +04:00
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if (strcmp(name, channel->Name) == 0)
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2014-02-11 08:13:29 +04:00
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{
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return channel;
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}
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}
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return NULL;
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}
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rdpChannels* freerdp_channels_new(void)
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{
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rdpChannels* channels;
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2014-06-12 00:27:31 +04:00
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channels = (rdpChannels*) calloc(1, sizeof(rdpChannels));
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if (!channels)
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return NULL;
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2014-02-11 08:13:29 +04:00
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2014-12-27 23:20:29 +03:00
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channels->queue = MessageQueue_New(NULL);
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2015-05-18 12:28:00 +03:00
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if (!channels->queue)
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goto error_queue;
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2014-02-11 08:13:29 +04:00
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2014-02-15 23:57:10 +04:00
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if (!g_OpenHandles)
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{
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g_OpenHandles = HashTable_New(TRUE);
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2015-05-18 12:28:00 +03:00
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if (!g_OpenHandles)
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goto error_open_handles;
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if (!InitializeCriticalSectionAndSpinCount(&g_channels_lock, 4000))
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goto error_open_handles;
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2014-02-15 23:57:10 +04:00
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}
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2014-02-11 08:13:29 +04:00
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return channels;
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2015-05-18 12:28:00 +03:00
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error_open_handles:
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MessageQueue_Free(channels->queue);
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error_queue:
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free(channels);
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return NULL;
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2014-02-11 08:13:29 +04:00
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}
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void freerdp_channels_free(rdpChannels* channels)
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{
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2015-01-20 13:58:45 +03:00
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int index;
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2015-02-01 12:57:54 +03:00
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int nkeys;
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2015-02-11 00:32:07 +03:00
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ULONG_PTR* pKeys = NULL;
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CHANNEL_OPEN_DATA* pChannelOpenData;
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2015-01-20 13:58:45 +03:00
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2015-04-28 18:00:41 +03:00
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if (!channels)
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return;
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2014-12-27 23:20:29 +03:00
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if (channels->queue)
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2014-12-03 22:17:27 +03:00
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{
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2014-12-27 23:20:29 +03:00
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MessageQueue_Free(channels->queue);
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channels->queue = NULL;
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2014-12-03 22:17:27 +03:00
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}
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2015-01-20 13:58:45 +03:00
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for (index = 0; index < channels->clientDataCount; index++)
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{
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pChannelOpenData = &channels->openDataList[index];
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if (pChannelOpenData->pInterface)
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{
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free(pChannelOpenData->pInterface);
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pChannelOpenData->pInterface = NULL;
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}
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2015-02-01 12:57:54 +03:00
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HashTable_Remove(g_OpenHandles, (void*) (UINT_PTR)pChannelOpenData->OpenHandle);
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2015-01-20 13:58:45 +03:00
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}
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if (g_OpenHandles)
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{
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2015-02-01 12:57:54 +03:00
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nkeys = HashTable_GetKeys(g_OpenHandles, &pKeys);
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2015-02-11 00:32:07 +03:00
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if (nkeys == 0)
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{
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2015-02-01 12:57:54 +03:00
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HashTable_Free(g_OpenHandles);
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DeleteCriticalSection(&g_channels_lock);
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g_OpenHandles = NULL;
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}
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2015-02-11 00:32:07 +03:00
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free(pKeys);
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2015-01-20 13:58:45 +03:00
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}
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2014-02-11 08:13:29 +04:00
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free(channels);
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}
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int freerdp_drdynvc_on_channel_connected(DrdynvcClientContext* context, const char* name, void* pInterface)
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{
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int status = 0;
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ChannelConnectedEventArgs e;
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rdpChannels* channels = (rdpChannels*) context->custom;
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freerdp* instance = channels->instance;
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EventArgsInit(&e, "freerdp");
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e.name = name;
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e.pInterface = pInterface;
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PubSub_OnChannelConnected(instance->context->pubSub, instance->context, &e);
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return status;
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}
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int freerdp_drdynvc_on_channel_disconnected(DrdynvcClientContext* context, const char* name, void* pInterface)
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{
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int status = 0;
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ChannelDisconnectedEventArgs e;
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rdpChannels* channels = (rdpChannels*) context->custom;
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freerdp* instance = channels->instance;
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EventArgsInit(&e, "freerdp");
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e.name = name;
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e.pInterface = pInterface;
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PubSub_OnChannelDisconnected(instance->context->pubSub, instance->context, &e);
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return status;
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}
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/**
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* go through and inform all the libraries that we are initialized
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* called only from main thread
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*/
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int freerdp_channels_pre_connect(rdpChannels* channels, freerdp* instance)
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{
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int index;
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CHANNEL_CLIENT_DATA* pChannelClientData;
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channels->instance = instance;
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for (index = 0; index < channels->clientDataCount; index++)
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{
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pChannelClientData = &channels->clientDataList[index];
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if (pChannelClientData->pChannelInitEventProc)
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pChannelClientData->pChannelInitEventProc(pChannelClientData->pInitHandle, CHANNEL_EVENT_INITIALIZED, 0, 0);
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}
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return 0;
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}
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/**
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* go through and inform all the libraries that we are connected
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* this will tell the libraries that its ok to call MyVirtualChannelOpen
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* called only from main thread
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*/
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int freerdp_channels_post_connect(rdpChannels* channels, freerdp* instance)
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{
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int index;
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char* name;
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char* hostname;
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int hostnameLength;
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CHANNEL_CLIENT_DATA* pChannelClientData;
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2015-02-07 01:35:14 +03:00
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channels->connected = 1;
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2014-02-11 08:13:29 +04:00
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hostname = instance->settings->ServerHostname;
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hostnameLength = (int) strlen(hostname);
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for (index = 0; index < channels->clientDataCount; index++)
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{
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pChannelClientData = &channels->clientDataList[index];
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if (pChannelClientData->pChannelInitEventProc)
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{
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ChannelConnectedEventArgs e;
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CHANNEL_OPEN_DATA* pChannelOpenData;
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pChannelOpenData = &channels->openDataList[index];
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pChannelClientData->pChannelInitEventProc(pChannelClientData->pInitHandle, CHANNEL_EVENT_CONNECTED, hostname, hostnameLength);
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name = (char*) malloc(9);
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2015-06-16 16:42:07 +03:00
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if (!name)
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return -1;
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2014-02-11 08:13:29 +04:00
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CopyMemory(name, pChannelOpenData->name, 8);
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name[8] = '\0';
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EventArgsInit(&e, "freerdp");
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e.name = name;
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e.pInterface = pChannelOpenData->pInterface;
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PubSub_OnChannelConnected(instance->context->pubSub, instance->context, &e);
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free(name);
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}
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}
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channels->drdynvc = (DrdynvcClientContext*) freerdp_channels_get_static_channel_interface(channels, "drdynvc");
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if (channels->drdynvc)
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{
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channels->drdynvc->custom = (void*) channels;
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channels->drdynvc->OnChannelConnected = freerdp_drdynvc_on_channel_connected;
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channels->drdynvc->OnChannelDisconnected = freerdp_drdynvc_on_channel_disconnected;
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}
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return 0;
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}
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2014-02-16 00:26:34 +04:00
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int freerdp_channels_data(freerdp* instance, UINT16 channelId, BYTE* data, int dataSize, int flags, int totalSize)
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2014-02-11 08:13:29 +04:00
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{
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2014-05-10 17:50:36 +04:00
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UINT32 index;
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2014-02-16 01:32:38 +04:00
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rdpMcs* mcs;
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2014-02-11 08:13:29 +04:00
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rdpChannels* channels;
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2014-02-16 01:32:38 +04:00
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rdpMcsChannel* channel = NULL;
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2014-02-11 08:13:29 +04:00
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CHANNEL_OPEN_DATA* pChannelOpenData;
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2014-02-16 01:32:38 +04:00
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mcs = instance->context->rdp->mcs;
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2014-02-14 02:06:33 +04:00
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channels = instance->context->channels;
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2014-02-11 08:13:29 +04:00
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2014-02-16 01:32:38 +04:00
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if (!channels || !mcs)
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2014-02-11 08:13:29 +04:00
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{
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return 1;
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}
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2014-02-16 01:32:38 +04:00
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for (index = 0; index < mcs->channelCount; index++)
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{
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if (mcs->channels[index].ChannelId == channelId)
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{
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channel = &mcs->channels[index];
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break;
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}
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}
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2014-02-11 08:13:29 +04:00
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if (!channel)
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{
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return 1;
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}
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pChannelOpenData = freerdp_channels_find_channel_open_data_by_name(channels, channel->Name);
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if (!pChannelOpenData)
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{
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return 1;
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}
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if (pChannelOpenData->pChannelOpenEventProc)
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{
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pChannelOpenData->pChannelOpenEventProc(pChannelOpenData->OpenHandle,
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2014-02-14 02:06:33 +04:00
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CHANNEL_EVENT_DATA_RECEIVED, data, dataSize, totalSize, flags);
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2014-02-11 08:13:29 +04:00
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}
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return 0;
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}
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/**
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* called only from main thread
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*/
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static int freerdp_channels_process_sync(rdpChannels* channels, freerdp* instance)
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{
|
2014-02-16 01:32:38 +04:00
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int status = TRUE;
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2014-02-11 08:13:29 +04:00
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wMessage message;
|
2014-02-16 01:32:38 +04:00
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rdpMcsChannel* channel;
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2014-02-11 08:13:29 +04:00
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CHANNEL_OPEN_EVENT* item;
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CHANNEL_OPEN_DATA* pChannelOpenData;
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2014-12-27 23:20:29 +03:00
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while (MessageQueue_Peek(channels->queue, &message, TRUE))
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2014-02-11 08:13:29 +04:00
|
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{
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if (message.id == WMQ_QUIT)
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{
|
2014-02-16 01:32:38 +04:00
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status = FALSE;
|
2014-02-11 08:13:29 +04:00
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break;
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}
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if (message.id == 0)
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{
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item = (CHANNEL_OPEN_EVENT*) message.wParam;
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if (!item)
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break;
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|
2014-02-15 23:57:10 +04:00
|
|
|
pChannelOpenData = item->pChannelOpenData;
|
2014-02-11 08:13:29 +04:00
|
|
|
|
2014-02-16 01:32:38 +04:00
|
|
|
channel = freerdp_channels_find_channel_by_name(instance->context->rdp, pChannelOpenData->name);
|
2014-02-11 08:13:29 +04:00
|
|
|
|
|
|
|
if (channel)
|
|
|
|
instance->SendChannelData(instance, channel->ChannelId, item->Data, item->DataLength);
|
|
|
|
|
|
|
|
if (pChannelOpenData->pChannelOpenEventProc)
|
|
|
|
{
|
|
|
|
pChannelOpenData->pChannelOpenEventProc(pChannelOpenData->OpenHandle,
|
|
|
|
CHANNEL_EVENT_WRITE_COMPLETE, item->UserData, item->DataLength, item->DataLength, 0);
|
|
|
|
}
|
|
|
|
|
|
|
|
free(item);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2014-02-16 01:32:38 +04:00
|
|
|
return status;
|
2014-02-11 08:13:29 +04:00
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* called only from main thread
|
|
|
|
*/
|
|
|
|
BOOL freerdp_channels_get_fds(rdpChannels* channels, freerdp* instance, void** read_fds,
|
|
|
|
int* read_count, void** write_fds, int* write_count)
|
|
|
|
{
|
|
|
|
void* pfd;
|
|
|
|
|
2014-12-27 23:20:29 +03:00
|
|
|
pfd = GetEventWaitObject(MessageQueue_Event(channels->queue));
|
2014-02-11 08:13:29 +04:00
|
|
|
|
|
|
|
if (pfd)
|
|
|
|
{
|
|
|
|
read_fds[*read_count] = pfd;
|
|
|
|
(*read_count)++;
|
|
|
|
}
|
|
|
|
|
|
|
|
return TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
void* freerdp_channels_get_static_channel_interface(rdpChannels* channels, const char* name)
|
|
|
|
{
|
|
|
|
void* pInterface = NULL;
|
|
|
|
CHANNEL_OPEN_DATA* pChannelOpenData;
|
|
|
|
|
|
|
|
pChannelOpenData = freerdp_channels_find_channel_open_data_by_name(channels, name);
|
|
|
|
|
|
|
|
if (pChannelOpenData)
|
|
|
|
pInterface = pChannelOpenData->pInterface;
|
|
|
|
|
|
|
|
return pInterface;
|
|
|
|
}
|
|
|
|
|
|
|
|
HANDLE freerdp_channels_get_event_handle(freerdp* instance)
|
|
|
|
{
|
|
|
|
HANDLE event = NULL;
|
|
|
|
rdpChannels* channels;
|
|
|
|
|
|
|
|
channels = instance->context->channels;
|
2014-12-27 23:20:29 +03:00
|
|
|
event = MessageQueue_Event(channels->queue);
|
2014-02-11 08:13:29 +04:00
|
|
|
|
|
|
|
return event;
|
|
|
|
}
|
|
|
|
|
|
|
|
int freerdp_channels_process_pending_messages(freerdp* instance)
|
|
|
|
{
|
|
|
|
rdpChannels* channels;
|
|
|
|
|
|
|
|
channels = instance->context->channels;
|
|
|
|
|
2014-12-27 23:20:29 +03:00
|
|
|
if (WaitForSingleObject(MessageQueue_Event(channels->queue), 0) == WAIT_OBJECT_0)
|
2014-02-11 08:13:29 +04:00
|
|
|
{
|
|
|
|
return freerdp_channels_process_sync(channels, instance);
|
|
|
|
}
|
|
|
|
|
|
|
|
return TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* called only from main thread
|
|
|
|
*/
|
|
|
|
BOOL freerdp_channels_check_fds(rdpChannels* channels, freerdp* instance)
|
|
|
|
{
|
2014-12-27 23:20:29 +03:00
|
|
|
if (WaitForSingleObject(MessageQueue_Event(channels->queue), 0) == WAIT_OBJECT_0)
|
2014-02-11 08:13:29 +04:00
|
|
|
{
|
|
|
|
freerdp_channels_process_sync(channels, instance);
|
|
|
|
}
|
|
|
|
|
|
|
|
return TRUE;
|
|
|
|
}
|
|
|
|
|
2015-01-20 13:58:45 +03:00
|
|
|
int freerdp_channels_disconnect(rdpChannels* channels, freerdp* instance)
|
2014-02-11 08:13:29 +04:00
|
|
|
{
|
|
|
|
int index;
|
|
|
|
char* name;
|
|
|
|
CHANNEL_OPEN_DATA* pChannelOpenData;
|
|
|
|
CHANNEL_CLIENT_DATA* pChannelClientData;
|
|
|
|
|
2015-02-07 01:35:14 +03:00
|
|
|
if (!channels->connected)
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
channels->connected = 0;
|
2014-02-11 08:13:29 +04:00
|
|
|
freerdp_channels_check_fds(channels, instance);
|
|
|
|
|
|
|
|
/* tell all libraries we are shutting down */
|
|
|
|
for (index = 0; index < channels->clientDataCount; index++)
|
|
|
|
{
|
|
|
|
ChannelDisconnectedEventArgs e;
|
|
|
|
|
|
|
|
pChannelClientData = &channels->clientDataList[index];
|
2015-01-20 13:58:45 +03:00
|
|
|
|
|
|
|
if (pChannelClientData->pChannelInitEventProc)
|
|
|
|
pChannelClientData->pChannelInitEventProc(pChannelClientData->pInitHandle, CHANNEL_EVENT_DISCONNECTED, 0, 0);
|
|
|
|
|
2014-02-11 08:13:29 +04:00
|
|
|
pChannelOpenData = &channels->openDataList[index];
|
|
|
|
|
|
|
|
name = (char*) malloc(9);
|
2015-06-16 16:42:07 +03:00
|
|
|
if (!name)
|
|
|
|
return -1;
|
2014-02-11 08:13:29 +04:00
|
|
|
CopyMemory(name, pChannelOpenData->name, 8);
|
|
|
|
name[8] = '\0';
|
|
|
|
|
|
|
|
EventArgsInit(&e, "freerdp");
|
|
|
|
e.name = name;
|
|
|
|
e.pInterface = pChannelOpenData->pInterface;
|
|
|
|
PubSub_OnChannelDisconnected(instance->context->pubSub, instance->context, &e);
|
|
|
|
|
|
|
|
free(name);
|
2015-01-20 13:58:45 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
void freerdp_channels_close(rdpChannels* channels, freerdp* instance)
|
|
|
|
{
|
|
|
|
int index;
|
|
|
|
CHANNEL_CLIENT_DATA* pChannelClientData;
|
|
|
|
|
|
|
|
freerdp_channels_check_fds(channels, instance);
|
|
|
|
|
|
|
|
/* tell all libraries we are shutting down */
|
|
|
|
for (index = 0; index < channels->clientDataCount; index++)
|
|
|
|
{
|
|
|
|
pChannelClientData = &channels->clientDataList[index];
|
2014-12-27 23:20:29 +03:00
|
|
|
|
|
|
|
if (pChannelClientData->pChannelInitEventProc)
|
|
|
|
pChannelClientData->pChannelInitEventProc(pChannelClientData->pInitHandle, CHANNEL_EVENT_TERMINATED, 0, 0);
|
2014-02-11 08:13:29 +04:00
|
|
|
}
|
|
|
|
|
2014-12-27 23:20:29 +03:00
|
|
|
MessageQueue_PostQuit(channels->queue, 0);
|
2014-02-11 08:13:29 +04:00
|
|
|
}
|
|
|
|
|
2014-02-28 23:49:57 +04:00
|
|
|
UINT VCAPITYPE FreeRDP_VirtualChannelInit(LPVOID* ppInitHandle, PCHANNEL_DEF pChannel,
|
2014-02-17 02:27:36 +04:00
|
|
|
INT channelCount, ULONG versionRequested, PCHANNEL_INIT_EVENT_FN pChannelInitEventProc)
|
2014-02-11 08:13:29 +04:00
|
|
|
{
|
|
|
|
int index;
|
|
|
|
void* pInterface;
|
2014-02-17 02:27:36 +04:00
|
|
|
DWORD OpenHandle;
|
2014-02-28 21:07:22 +04:00
|
|
|
CHANNEL_DEF* channel;
|
2014-02-11 08:13:29 +04:00
|
|
|
rdpChannels* channels;
|
2014-02-16 02:42:59 +04:00
|
|
|
rdpSettings* settings;
|
2014-02-11 08:13:29 +04:00
|
|
|
PCHANNEL_DEF pChannelDef;
|
|
|
|
CHANNEL_INIT_DATA* pChannelInitData;
|
|
|
|
CHANNEL_OPEN_DATA* pChannelOpenData;
|
|
|
|
CHANNEL_CLIENT_DATA* pChannelClientData;
|
|
|
|
|
|
|
|
if (!ppInitHandle)
|
|
|
|
return CHANNEL_RC_BAD_INIT_HANDLE;
|
|
|
|
|
|
|
|
channels = g_ChannelInitData.channels;
|
|
|
|
pInterface = g_pInterface;
|
|
|
|
|
|
|
|
pChannelInitData = &(channels->initDataList[channels->initDataCount]);
|
|
|
|
*ppInitHandle = pChannelInitData;
|
|
|
|
channels->initDataCount++;
|
|
|
|
|
|
|
|
pChannelInitData->channels = channels;
|
|
|
|
pChannelInitData->pInterface = pInterface;
|
|
|
|
|
|
|
|
if (!channels->can_call_init)
|
|
|
|
return CHANNEL_RC_NOT_IN_VIRTUALCHANNELENTRY;
|
|
|
|
|
|
|
|
if (channels->openDataCount + channelCount >= CHANNEL_MAX_COUNT)
|
|
|
|
return CHANNEL_RC_TOO_MANY_CHANNELS;
|
|
|
|
|
|
|
|
if (!pChannel)
|
|
|
|
return CHANNEL_RC_BAD_CHANNEL;
|
|
|
|
|
2015-02-07 01:35:14 +03:00
|
|
|
if (channels->connected)
|
2014-02-11 08:13:29 +04:00
|
|
|
return CHANNEL_RC_ALREADY_CONNECTED;
|
|
|
|
|
|
|
|
if (versionRequested != VIRTUAL_CHANNEL_VERSION_WIN2000)
|
|
|
|
{
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
for (index = 0; index < channelCount; index++)
|
|
|
|
{
|
|
|
|
pChannelDef = &pChannel[index];
|
|
|
|
|
|
|
|
if (freerdp_channels_find_channel_open_data_by_name(channels, pChannelDef->name) != 0)
|
|
|
|
{
|
|
|
|
return CHANNEL_RC_BAD_CHANNEL;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
pChannelClientData = &channels->clientDataList[channels->clientDataCount];
|
|
|
|
pChannelClientData->pChannelInitEventProc = pChannelInitEventProc;
|
|
|
|
pChannelClientData->pInitHandle = *ppInitHandle;
|
|
|
|
channels->clientDataCount++;
|
|
|
|
|
2014-02-16 02:42:59 +04:00
|
|
|
settings = channels->settings;
|
|
|
|
|
2014-02-11 08:13:29 +04:00
|
|
|
for (index = 0; index < channelCount; index++)
|
|
|
|
{
|
|
|
|
pChannelDef = &pChannel[index];
|
|
|
|
pChannelOpenData = &channels->openDataList[channels->openDataCount];
|
|
|
|
|
2014-02-15 23:57:10 +04:00
|
|
|
OpenHandle = g_open_handle_sequence++;
|
|
|
|
|
|
|
|
pChannelOpenData->OpenHandle = OpenHandle;
|
|
|
|
pChannelOpenData->channels = channels;
|
|
|
|
|
|
|
|
HashTable_Add(g_OpenHandles, (void*) (UINT_PTR) OpenHandle, (void*) pChannelOpenData);
|
2014-02-11 08:13:29 +04:00
|
|
|
|
|
|
|
pChannelOpenData->flags = 1; /* init */
|
|
|
|
strncpy(pChannelOpenData->name, pChannelDef->name, CHANNEL_NAME_LEN);
|
|
|
|
pChannelOpenData->options = pChannelDef->options;
|
|
|
|
|
2014-02-16 02:42:59 +04:00
|
|
|
if (settings->ChannelCount < CHANNEL_MAX_COUNT)
|
2014-02-11 08:13:29 +04:00
|
|
|
{
|
2014-02-16 02:42:59 +04:00
|
|
|
channel = &settings->ChannelDefArray[settings->ChannelCount];
|
2014-02-28 21:07:22 +04:00
|
|
|
strncpy(channel->name, pChannelDef->name, 7);
|
2014-02-11 08:13:29 +04:00
|
|
|
channel->options = pChannelDef->options;
|
|
|
|
channels->settings->ChannelCount++;
|
|
|
|
}
|
|
|
|
|
|
|
|
channels->openDataCount++;
|
|
|
|
}
|
|
|
|
|
|
|
|
return CHANNEL_RC_OK;
|
|
|
|
}
|
|
|
|
|
2014-02-28 23:49:57 +04:00
|
|
|
UINT VCAPITYPE FreeRDP_VirtualChannelOpen(LPVOID pInitHandle, LPDWORD pOpenHandle,
|
2014-02-17 02:27:36 +04:00
|
|
|
PCHAR pChannelName, PCHANNEL_OPEN_EVENT_FN pChannelOpenEventProc)
|
2014-02-11 08:13:29 +04:00
|
|
|
{
|
|
|
|
void* pInterface;
|
|
|
|
rdpChannels* channels;
|
|
|
|
CHANNEL_INIT_DATA* pChannelInitData;
|
|
|
|
CHANNEL_OPEN_DATA* pChannelOpenData;
|
|
|
|
|
|
|
|
pChannelInitData = (CHANNEL_INIT_DATA*) pInitHandle;
|
|
|
|
channels = pChannelInitData->channels;
|
|
|
|
pInterface = pChannelInitData->pInterface;
|
|
|
|
|
|
|
|
if (!pOpenHandle)
|
|
|
|
return CHANNEL_RC_BAD_CHANNEL_HANDLE;
|
|
|
|
|
|
|
|
if (!pChannelOpenEventProc)
|
|
|
|
return CHANNEL_RC_BAD_PROC;
|
|
|
|
|
2015-02-07 01:35:14 +03:00
|
|
|
if (!channels->connected)
|
2014-02-11 08:13:29 +04:00
|
|
|
return CHANNEL_RC_NOT_CONNECTED;
|
|
|
|
|
|
|
|
pChannelOpenData = freerdp_channels_find_channel_open_data_by_name(channels, pChannelName);
|
|
|
|
|
|
|
|
if (!pChannelOpenData)
|
|
|
|
return CHANNEL_RC_UNKNOWN_CHANNEL_NAME;
|
|
|
|
|
|
|
|
if (pChannelOpenData->flags == 2)
|
|
|
|
return CHANNEL_RC_ALREADY_OPEN;
|
|
|
|
|
|
|
|
pChannelOpenData->flags = 2; /* open */
|
|
|
|
pChannelOpenData->pInterface = pInterface;
|
|
|
|
pChannelOpenData->pChannelOpenEventProc = pChannelOpenEventProc;
|
|
|
|
*pOpenHandle = pChannelOpenData->OpenHandle;
|
|
|
|
|
|
|
|
return CHANNEL_RC_OK;
|
|
|
|
}
|
|
|
|
|
2014-02-28 23:49:57 +04:00
|
|
|
UINT VCAPITYPE FreeRDP_VirtualChannelClose(DWORD openHandle)
|
2014-02-11 08:13:29 +04:00
|
|
|
{
|
|
|
|
CHANNEL_OPEN_DATA* pChannelOpenData;
|
|
|
|
|
2014-02-15 23:57:10 +04:00
|
|
|
pChannelOpenData = HashTable_GetItemValue(g_OpenHandles, (void*) (UINT_PTR) openHandle);
|
2014-02-11 08:13:29 +04:00
|
|
|
|
2014-02-15 23:57:10 +04:00
|
|
|
if (!pChannelOpenData)
|
2014-02-11 08:13:29 +04:00
|
|
|
return CHANNEL_RC_BAD_CHANNEL_HANDLE;
|
|
|
|
|
|
|
|
if (pChannelOpenData->flags != 2)
|
|
|
|
return CHANNEL_RC_NOT_OPEN;
|
|
|
|
|
|
|
|
pChannelOpenData->flags = 0;
|
|
|
|
|
|
|
|
return CHANNEL_RC_OK;
|
|
|
|
}
|
|
|
|
|
2014-02-28 23:49:57 +04:00
|
|
|
UINT VCAPITYPE FreeRDP_VirtualChannelWrite(DWORD openHandle, LPVOID pData, ULONG dataLength, LPVOID pUserData)
|
2014-02-14 02:06:33 +04:00
|
|
|
{
|
|
|
|
rdpChannels* channels;
|
|
|
|
CHANNEL_OPEN_DATA* pChannelOpenData;
|
2014-02-15 23:57:10 +04:00
|
|
|
CHANNEL_OPEN_EVENT* pChannelOpenEvent;
|
2014-02-14 02:06:33 +04:00
|
|
|
|
2014-02-15 23:57:10 +04:00
|
|
|
pChannelOpenData = HashTable_GetItemValue(g_OpenHandles, (void*) (UINT_PTR) openHandle);
|
2014-02-14 02:06:33 +04:00
|
|
|
|
2014-02-15 23:57:10 +04:00
|
|
|
if (!pChannelOpenData)
|
|
|
|
return CHANNEL_RC_BAD_CHANNEL_HANDLE;
|
|
|
|
|
|
|
|
channels = pChannelOpenData->channels;
|
|
|
|
|
|
|
|
if (!channels)
|
2014-02-14 02:06:33 +04:00
|
|
|
return CHANNEL_RC_BAD_CHANNEL_HANDLE;
|
|
|
|
|
2015-02-07 01:35:14 +03:00
|
|
|
if (!channels->connected)
|
2014-02-14 02:06:33 +04:00
|
|
|
return CHANNEL_RC_NOT_CONNECTED;
|
|
|
|
|
|
|
|
if (!pData)
|
|
|
|
return CHANNEL_RC_NULL_DATA;
|
|
|
|
|
|
|
|
if (!dataLength)
|
|
|
|
return CHANNEL_RC_ZERO_LENGTH;
|
|
|
|
|
|
|
|
if (pChannelOpenData->flags != 2)
|
|
|
|
return CHANNEL_RC_NOT_OPEN;
|
|
|
|
|
2014-02-15 23:57:10 +04:00
|
|
|
pChannelOpenEvent = (CHANNEL_OPEN_EVENT*) malloc(sizeof(CHANNEL_OPEN_EVENT));
|
|
|
|
|
|
|
|
if (!pChannelOpenEvent)
|
|
|
|
return CHANNEL_RC_NO_MEMORY;
|
2014-02-14 02:06:33 +04:00
|
|
|
|
2014-02-15 23:57:10 +04:00
|
|
|
pChannelOpenEvent->Data = pData;
|
|
|
|
pChannelOpenEvent->DataLength = dataLength;
|
|
|
|
pChannelOpenEvent->UserData = pUserData;
|
|
|
|
pChannelOpenEvent->pChannelOpenData = pChannelOpenData;
|
2014-02-14 02:06:33 +04:00
|
|
|
|
2015-05-23 23:47:18 +03:00
|
|
|
if (!MessageQueue_Post(channels->queue, (void*) channels, 0, (void*) pChannelOpenEvent, NULL))
|
|
|
|
return CHANNEL_RC_NO_MEMORY;
|
2014-02-14 02:06:33 +04:00
|
|
|
|
|
|
|
return CHANNEL_RC_OK;
|
|
|
|
}
|
|
|
|
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2015-01-20 20:01:33 +03:00
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static BOOL freerdp_channels_is_loaded(rdpChannels* channels, PVIRTUALCHANNELENTRY entry)
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{
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int i;
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for (i=0; i<channels->clientDataCount; i++)
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{
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CHANNEL_CLIENT_DATA* pChannelClientData = &channels->clientDataList[i];
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if (pChannelClientData->entry == entry)
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return TRUE;
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}
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return FALSE;
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}
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2015-01-20 13:58:45 +03:00
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int freerdp_channels_client_load(rdpChannels* channels, rdpSettings* settings, PVIRTUALCHANNELENTRY entry, void* data)
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2014-02-11 08:13:29 +04:00
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{
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int status;
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2014-02-17 02:38:59 +04:00
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CHANNEL_ENTRY_POINTS_FREERDP EntryPoints;
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2014-02-11 08:13:29 +04:00
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CHANNEL_CLIENT_DATA* pChannelClientData;
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if (channels->clientDataCount + 1 >= CHANNEL_MAX_COUNT)
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{
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2015-01-20 13:58:45 +03:00
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WLog_ERR(TAG, "error: too many channels");
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2014-02-11 08:13:29 +04:00
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return 1;
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}
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2015-01-20 20:01:33 +03:00
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if (freerdp_channels_is_loaded(channels, entry))
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{
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WLog_WARN(TAG, "Skipping, channel already loaded");
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return 0;
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}
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2014-02-11 08:13:29 +04:00
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pChannelClientData = &channels->clientDataList[channels->clientDataCount];
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2015-01-20 13:58:45 +03:00
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pChannelClientData->entry = entry;
|
2014-02-11 08:13:29 +04:00
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|
2014-02-17 02:38:59 +04:00
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ZeroMemory(&EntryPoints, sizeof(CHANNEL_ENTRY_POINTS_FREERDP));
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2014-02-17 02:27:36 +04:00
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EntryPoints.cbSize = sizeof(EntryPoints);
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EntryPoints.protocolVersion = VIRTUAL_CHANNEL_VERSION_WIN2000;
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EntryPoints.pVirtualChannelInit = FreeRDP_VirtualChannelInit;
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EntryPoints.pVirtualChannelOpen = FreeRDP_VirtualChannelOpen;
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EntryPoints.pVirtualChannelClose = FreeRDP_VirtualChannelClose;
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EntryPoints.pVirtualChannelWrite = FreeRDP_VirtualChannelWrite;
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2014-02-11 08:13:29 +04:00
|
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g_pInterface = NULL;
|
2014-02-17 02:27:36 +04:00
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EntryPoints.MagicNumber = FREERDP_CHANNEL_MAGIC_NUMBER;
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EntryPoints.ppInterface = &g_pInterface;
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EntryPoints.pExtendedData = data;
|
2014-02-11 08:13:29 +04:00
|
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|
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/* enable VirtualChannelInit */
|
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channels->can_call_init = TRUE;
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channels->settings = settings;
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EnterCriticalSection(&g_channels_lock);
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|
|
g_ChannelInitData.channels = channels;
|
2014-02-17 02:27:36 +04:00
|
|
|
status = pChannelClientData->entry((PCHANNEL_ENTRY_POINTS) &EntryPoints);
|
2014-02-11 08:13:29 +04:00
|
|
|
|
|
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LeaveCriticalSection(&g_channels_lock);
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|
|
/* disable MyVirtualChannelInit */
|
|
|
|
channels->settings = NULL;
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|
|
channels->can_call_init = FALSE;
|
|
|
|
|
|
|
|
if (!status)
|
|
|
|
{
|
2014-09-12 16:36:29 +04:00
|
|
|
WLog_ERR(TAG, "error: channel export function call failed");
|
2014-02-11 08:13:29 +04:00
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* this is called when processing the command line parameters
|
|
|
|
* called only from main thread
|
|
|
|
*/
|
|
|
|
int freerdp_channels_load_plugin(rdpChannels* channels, rdpSettings* settings, const char* name, void* data)
|
|
|
|
{
|
|
|
|
void* entry;
|
|
|
|
|
|
|
|
entry = (PVIRTUALCHANNELENTRY) freerdp_load_channel_addin_entry(name, NULL, NULL, FREERDP_ADDIN_CHANNEL_STATIC);
|
|
|
|
|
|
|
|
if (!entry)
|
|
|
|
{
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
return freerdp_channels_client_load(channels, settings, entry, data);
|
|
|
|
}
|