FreeRDP/libfreerdp/core/freerdp.c
2018-04-04 13:24:32 +02:00

1011 lines
24 KiB
C

/**
* FreeRDP: A Remote Desktop Protocol Implementation
* FreeRDP Core
*
* Copyright 2011 Marc-Andre Moreau <marcandre.moreau@gmail.com>
* Copyright 2015 Thincast Technologies GmbH
* Copyright 2015 DI (FH) Martin Haimberger <martin.haimberger@thincast.com>
*
* Licensed 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "rdp.h"
#include "input.h"
#include "update.h"
#include "surface.h"
#include "transport.h"
#include "connection.h"
#include "message.h"
#include "buildflags.h"
#include <assert.h>
#include <winpr/string.h>
#include <winpr/stream.h>
#include <winpr/wtsapi.h>
#include <winpr/ssl.h>
#include <winpr/debug.h>
#include <freerdp/freerdp.h>
#include <freerdp/error.h>
#include <freerdp/event.h>
#include <freerdp/locale/keyboard.h>
#include <freerdp/channels/channels.h>
#include <freerdp/version.h>
#include <freerdp/log.h>
#define TAG FREERDP_TAG("core")
/* connectErrorCode is 'extern' in error.h. See comment there.*/
UINT freerdp_channel_add_init_handle_data(rdpChannelHandles* handles, void* pInitHandle,
void* pUserData)
{
if (!handles->init)
handles->init = ListDictionary_New(TRUE);
if (!handles->init)
{
WLog_ERR(TAG, "ListDictionary_New failed!");
return ERROR_NOT_ENOUGH_MEMORY;
}
if (!ListDictionary_Add(handles->init, pInitHandle, pUserData))
{
WLog_ERR(TAG, "ListDictionary_Add failed!");
return ERROR_INTERNAL_ERROR;
}
return CHANNEL_RC_OK;
}
void* freerdp_channel_get_init_handle_data(rdpChannelHandles* handles, void* pInitHandle)
{
void* pUserData = NULL;
pUserData = ListDictionary_GetItemValue(handles->init, pInitHandle);
return pUserData;
}
void freerdp_channel_remove_init_handle_data(rdpChannelHandles* handles, void* pInitHandle)
{
ListDictionary_Remove(handles->init, pInitHandle);
if (ListDictionary_Count(handles->init) < 1)
{
ListDictionary_Free(handles->init);
handles->init = NULL;
}
}
UINT freerdp_channel_add_open_handle_data(rdpChannelHandles* handles, DWORD openHandle,
void* pUserData)
{
void* pOpenHandle = (void*)(size_t) openHandle;
if (!handles->open)
handles->open = ListDictionary_New(TRUE);
if (!handles->open)
{
WLog_ERR(TAG, "ListDictionary_New failed!");
return ERROR_NOT_ENOUGH_MEMORY;
}
if (!ListDictionary_Add(handles->open, pOpenHandle, pUserData))
{
WLog_ERR(TAG, "ListDictionary_Add failed!");
return ERROR_INTERNAL_ERROR;
}
return CHANNEL_RC_OK;
}
void* freerdp_channel_get_open_handle_data(rdpChannelHandles* handles, DWORD openHandle)
{
void* pUserData = NULL;
void* pOpenHandle = (void*)(size_t) openHandle;
pUserData = ListDictionary_GetItemValue(handles->open, pOpenHandle);
return pUserData;
}
void freerdp_channel_remove_open_handle_data(rdpChannelHandles* handles, DWORD openHandle)
{
void* pOpenHandle = (void*)(size_t) openHandle;
ListDictionary_Remove(handles->open, pOpenHandle);
if (ListDictionary_Count(handles->open) < 1)
{
ListDictionary_Free(handles->open);
handles->open = NULL;
}
}
/** Creates a new connection based on the settings found in the "instance" parameter
* It will use the callbacks registered on the structure to process the pre/post connect operations
* that the caller requires.
* @see struct rdp_freerdp in freerdp.h
*
* @param instance - pointer to a rdp_freerdp structure that contains base information to establish the connection.
* On return, this function will be initialized with the new connection's settings.
*
* @return TRUE if successful. FALSE otherwise.
*
*/
BOOL freerdp_connect(freerdp* instance)
{
UINT status2 = CHANNEL_RC_OK;
rdpRdp* rdp;
BOOL status = TRUE;
rdpSettings* settings;
ConnectionResultEventArgs e;
if (!instance)
return FALSE;
/* We always set the return code to 0 before we start the connect sequence*/
connectErrorCode = 0;
freerdp_set_last_error(instance->context, FREERDP_ERROR_SUCCESS);
clearChannelError(instance->context);
ResetEvent(instance->context->abortEvent);
rdp = instance->context->rdp;
settings = instance->settings;
instance->context->codecs = codecs_new(instance->context);
IFCALLRET(instance->PreConnect, status, instance);
if (status)
status2 = freerdp_channels_pre_connect(instance->context->channels,
instance);
if (settings->KeyboardLayout == KBD_JAPANESE_INPUT_SYSTEM_MS_IME2002)
{
settings->KeyboardType = 7;
settings->KeyboardSubType = 2;
settings->KeyboardFunctionKey = 12;
}
if (!status || (status2 != CHANNEL_RC_OK))
{
if (!freerdp_get_last_error(rdp->context))
freerdp_set_last_error(instance->context, FREERDP_ERROR_PRE_CONNECT_FAILED);
WLog_ERR(TAG, "freerdp_pre_connect failed");
goto freerdp_connect_finally;
}
status = rdp_client_connect(rdp);
/* --authonly tests the connection without a UI */
if (instance->settings->AuthenticationOnly)
{
WLog_ERR(TAG, "Authentication only, exit status %"PRId32"", !status);
goto freerdp_connect_finally;
}
if (!status)
goto freerdp_connect_finally;
if (status)
{
UINT status2;
if (instance->settings->DumpRemoteFx)
{
instance->update->pcap_rfx = pcap_open(instance->settings->DumpRemoteFxFile,
TRUE);
if (instance->update->pcap_rfx)
instance->update->dump_rfx = TRUE;
}
IFCALLRET(instance->PostConnect, status, instance);
if (status)
status2 = freerdp_channels_post_connect(instance->context->channels, instance);
if (!status || (status2 != CHANNEL_RC_OK)
|| !update_post_connect(instance->update))
{
WLog_ERR(TAG, "freerdp_post_connect failed");
if (!freerdp_get_last_error(rdp->context))
freerdp_set_last_error(instance->context, FREERDP_ERROR_POST_CONNECT_FAILED);
status = FALSE;
goto freerdp_connect_finally;
}
if (instance->settings->PlayRemoteFx)
{
wStream* s;
rdpUpdate* update;
pcap_record record;
update = instance->update;
update->pcap_rfx = pcap_open(settings->PlayRemoteFxFile, FALSE);
status = FALSE;
if (!update->pcap_rfx)
goto freerdp_connect_finally;
else
update->play_rfx = TRUE;
status = TRUE;
while (pcap_has_next_record(update->pcap_rfx) && status)
{
pcap_get_next_record_header(update->pcap_rfx, &record);
if (!(s = StreamPool_Take(rdp->transport->ReceivePool, record.length)))
break;
record.data = Stream_Buffer(s);
pcap_get_next_record_content(update->pcap_rfx, &record);
Stream_SetLength(s, record.length);
Stream_SetPosition(s, 0);
if (!update->BeginPaint(update->context))
status = FALSE;
else if (update_recv_surfcmds(update, s) < 0)
status = FALSE;
else if (!update->EndPaint(update->context))
status = FALSE;
Stream_Release(s);
}
pcap_close(update->pcap_rfx);
update->pcap_rfx = NULL;
goto freerdp_connect_finally;
}
}
if (rdp->errorInfo == ERRINFO_SERVER_INSUFFICIENT_PRIVILEGES)
freerdp_set_last_error(instance->context,
FREERDP_ERROR_INSUFFICIENT_PRIVILEGES);
SetEvent(rdp->transport->connectedEvent);
freerdp_connect_finally:
EventArgsInit(&e, "freerdp");
e.result = status ? 0 : -1;
PubSub_OnConnectionResult(instance->context->pubSub, instance->context, &e);
if (!status)
freerdp_disconnect(instance);
return status;
}
BOOL freerdp_abort_connect(freerdp* instance)
{
if (!instance || !instance->context)
return FALSE;
return SetEvent(instance->context->abortEvent);
}
BOOL freerdp_get_fds(freerdp* instance, void** rfds, int* rcount, void** wfds,
int* wcount)
{
rdpRdp* rdp = instance->context->rdp;
transport_get_fds(rdp->transport, rfds, rcount);
return TRUE;
}
BOOL freerdp_check_fds(freerdp* instance)
{
int status;
rdpRdp* rdp;
if (!instance)
return FALSE;
if (!instance->context)
return FALSE;
if (!instance->context->rdp)
return FALSE;
rdp = instance->context->rdp;
status = rdp_check_fds(rdp);
if (status < 0)
{
TerminateEventArgs e;
rdpContext* context = instance->context;
WLog_DBG(TAG, "rdp_check_fds() - %i", status);
EventArgsInit(&e, "freerdp");
e.code = 0;
PubSub_OnTerminate(context->pubSub, context, &e);
return FALSE;
}
return TRUE;
}
DWORD freerdp_get_event_handles(rdpContext* context, HANDLE* events,
DWORD count)
{
DWORD nCount = 0;
nCount += transport_get_event_handles(context->rdp->transport, events, count);
if (nCount == 0)
return 0;
if (events && (nCount < count + 2))
{
events[nCount++] = freerdp_channels_get_event_handle(context->instance);
events[nCount++] = getChannelErrorEventHandle(context);
events[nCount++] = context->abortEvent;
}
else
return 0;
if (context->settings->AsyncInput)
{
if (nCount >= count)
return 0;
events[nCount++] = freerdp_get_message_queue_event_handle(
context->instance, FREERDP_INPUT_MESSAGE_QUEUE);
}
return nCount;
}
BOOL freerdp_check_event_handles(rdpContext* context)
{
BOOL status;
status = freerdp_check_fds(context->instance);
if (!status)
{
if (freerdp_get_last_error(context) == FREERDP_ERROR_SUCCESS)
WLog_ERR(TAG, "freerdp_check_fds() failed - %"PRIi32"", status);
return FALSE;
}
status = freerdp_channels_check_fds(context->channels, context->instance);
if (!status)
{
if (freerdp_get_last_error(context) == FREERDP_ERROR_SUCCESS)
WLog_ERR(TAG, "freerdp_channels_check_fds() failed - %"PRIi32"", status);
return FALSE;
}
if (!status)
return FALSE;
status = checkChannelErrorEvent(context);
if (!status)
return FALSE;
if (context->settings->AsyncInput)
{
status = freerdp_message_queue_process_pending_messages(
context->instance, FREERDP_INPUT_MESSAGE_QUEUE);
}
return status;
}
wMessageQueue* freerdp_get_message_queue(freerdp* instance, DWORD id)
{
wMessageQueue* queue = NULL;
switch (id)
{
case FREERDP_UPDATE_MESSAGE_QUEUE:
queue = instance->update->queue;
break;
case FREERDP_INPUT_MESSAGE_QUEUE:
queue = instance->input->queue;
break;
}
return queue;
}
HANDLE freerdp_get_message_queue_event_handle(freerdp* instance, DWORD id)
{
HANDLE event = NULL;
wMessageQueue* queue = NULL;
queue = freerdp_get_message_queue(instance, id);
if (queue)
event = MessageQueue_Event(queue);
return event;
}
int freerdp_message_queue_process_message(freerdp* instance, DWORD id,
wMessage* message)
{
int status = -1;
switch (id)
{
case FREERDP_UPDATE_MESSAGE_QUEUE:
status = update_message_queue_process_message(instance->update, message);
break;
case FREERDP_INPUT_MESSAGE_QUEUE:
status = input_message_queue_process_message(instance->input, message);
break;
}
return status;
}
int freerdp_message_queue_process_pending_messages(freerdp* instance, DWORD id)
{
int status = -1;
switch (id)
{
case FREERDP_UPDATE_MESSAGE_QUEUE:
status = update_message_queue_process_pending_messages(instance->update);
break;
case FREERDP_INPUT_MESSAGE_QUEUE:
status = input_message_queue_process_pending_messages(instance->input);
break;
}
return status;
}
static int freerdp_send_channel_data(freerdp* instance, UINT16 channelId,
BYTE* data, int size)
{
return rdp_send_channel_data(instance->context->rdp, channelId, data, size);
}
BOOL freerdp_disconnect(freerdp* instance)
{
BOOL rc = TRUE;
rdpRdp* rdp;
rdp = instance->context->rdp;
rdp_client_disconnect(rdp);
update_post_disconnect(instance->update);
if (instance->settings->AsyncInput)
{
wMessageQueue* inputQueue = freerdp_get_message_queue(instance,
FREERDP_INPUT_MESSAGE_QUEUE);
MessageQueue_PostQuit(inputQueue, 0);
}
if (freerdp_channels_disconnect(instance->context->channels,
instance) != CHANNEL_RC_OK)
rc = FALSE;
IFCALL(instance->PostDisconnect, instance);
if (instance->update->pcap_rfx)
{
instance->update->dump_rfx = FALSE;
pcap_close(instance->update->pcap_rfx);
instance->update->pcap_rfx = NULL;
}
codecs_free(instance->context->codecs);
freerdp_channels_close(instance->context->channels, instance);
return rc;
}
BOOL freerdp_reconnect(freerdp* instance)
{
BOOL status;
rdpRdp* rdp = instance->context->rdp;
ResetEvent(instance->context->abortEvent);
status = rdp_client_reconnect(rdp);
return status;
}
BOOL freerdp_shall_disconnect(freerdp* instance)
{
if (!instance || !instance->context)
return FALSE;
if (WaitForSingleObject(instance->context->abortEvent, 0) != WAIT_OBJECT_0)
return FALSE;
return TRUE;
}
BOOL freerdp_focus_required(freerdp* instance)
{
rdpRdp* rdp;
BOOL bRetCode = FALSE;
rdp = instance->context->rdp;
if (rdp->resendFocus)
{
bRetCode = TRUE;
rdp->resendFocus = FALSE;
}
return bRetCode;
}
void freerdp_set_focus(freerdp* instance)
{
rdpRdp* rdp;
rdp = instance->context->rdp;
rdp->resendFocus = TRUE;
}
void freerdp_get_version(int* major, int* minor, int* revision)
{
if (major != NULL)
*major = FREERDP_VERSION_MAJOR;
if (minor != NULL)
*minor = FREERDP_VERSION_MINOR;
if (revision != NULL)
*revision = FREERDP_VERSION_REVISION;
}
const char* freerdp_get_version_string(void)
{
return FREERDP_VERSION_FULL;
}
const char* freerdp_get_build_date(void)
{
static char build_date[] = __DATE__ " " __TIME__;
return build_date;
}
const char* freerdp_get_build_config(void)
{
static const char build_config[] =
"Build configuration: " BUILD_CONFIG "\n"
"Build type: " BUILD_TYPE "\n"
"CFLAGS: " CFLAGS "\n"
"Compiler: " COMPILER_ID ", " COMPILER_VERSION "\n"
"Target architecture: " TARGET_ARCH "\n";
return build_config;
}
const char* freerdp_get_build_revision(void)
{
return GIT_REVISION;
}
static wEventType FreeRDP_Events[] =
{
DEFINE_EVENT_ENTRY(WindowStateChange)
DEFINE_EVENT_ENTRY(ResizeWindow)
DEFINE_EVENT_ENTRY(LocalResizeWindow)
DEFINE_EVENT_ENTRY(EmbedWindow)
DEFINE_EVENT_ENTRY(PanningChange)
DEFINE_EVENT_ENTRY(ZoomingChange)
DEFINE_EVENT_ENTRY(ErrorInfo)
DEFINE_EVENT_ENTRY(Terminate)
DEFINE_EVENT_ENTRY(ConnectionResult)
DEFINE_EVENT_ENTRY(ChannelConnected)
DEFINE_EVENT_ENTRY(ChannelDisconnected)
DEFINE_EVENT_ENTRY(MouseEvent)
DEFINE_EVENT_ENTRY(Activated)
DEFINE_EVENT_ENTRY(Timer)
DEFINE_EVENT_ENTRY(GraphicsReset)
};
/** Allocator function for a rdp context.
* The function will allocate a rdpRdp structure using rdp_new(), then copy
* its contents to the appropriate fields in the rdp_freerdp structure given in parameters.
* It will also initialize the 'context' field in the rdp_freerdp structure as needed.
* If the caller has set the ContextNew callback in the 'instance' parameter, it will be called at the end of the function.
*
* @param instance - Pointer to the rdp_freerdp structure that will be initialized with the new context.
*/
BOOL freerdp_context_new(freerdp* instance)
{
rdpRdp* rdp;
rdpContext* context;
BOOL ret = TRUE;
instance->context = (rdpContext*) calloc(1, instance->ContextSize);
if (!instance->context)
return FALSE;
context = instance->context;
context->instance = instance;
context->ServerMode = FALSE;
context->settings = instance->settings;
context->pubSub = PubSub_New(TRUE);
if (!context->pubSub)
goto fail;
PubSub_AddEventTypes(context->pubSub, FreeRDP_Events,
ARRAYSIZE(FreeRDP_Events));
context->metrics = metrics_new(context);
if (!context->metrics)
goto fail;
rdp = rdp_new(context);
if (!rdp)
goto fail;
instance->input = rdp->input;
instance->update = rdp->update;
instance->settings = rdp->settings;
instance->autodetect = rdp->autodetect;
context->graphics = graphics_new(context);
if (!context->graphics)
goto fail;
context->rdp = rdp;
context->input = instance->input;
context->update = instance->update;
context->settings = instance->settings;
context->autodetect = instance->autodetect;
instance->update->context = instance->context;
instance->update->pointer->context = instance->context;
instance->update->primary->context = instance->context;
instance->update->secondary->context = instance->context;
instance->update->altsec->context = instance->context;
instance->input->context = context;
instance->autodetect->context = context;
if (!(context->errorDescription = calloc(1, 500)))
{
WLog_ERR(TAG, "calloc failed!");
goto fail;
}
if (!(context->channelErrorEvent = CreateEvent(NULL, TRUE, FALSE, NULL)))
{
WLog_ERR(TAG, "CreateEvent failed!");
goto fail;
}
update_register_client_callbacks(rdp->update);
instance->context->abortEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
if (!instance->context->abortEvent)
goto fail;
if (!(context->channels = freerdp_channels_new(instance)))
goto fail;
IFCALLRET(instance->ContextNew, ret, instance, instance->context);
if (ret)
return TRUE;
fail:
freerdp_context_free(instance);
return FALSE;
}
/** Deallocator function for a rdp context.
* The function will deallocate the resources from the 'instance' parameter that were allocated from a call
* to freerdp_context_new().
* If the ContextFree callback is set in the 'instance' parameter, it will be called before deallocation occurs.
*
* @param instance - Pointer to the rdp_freerdp structure that was initialized by a call to freerdp_context_new().
* On return, the fields associated to the context are invalid.
*/
void freerdp_context_free(freerdp* instance)
{
if (!instance)
return;
if (!instance->context)
return;
IFCALL(instance->ContextFree, instance, instance->context);
rdp_free(instance->context->rdp);
instance->context->rdp = NULL;
graphics_free(instance->context->graphics);
instance->context->graphics = NULL;
PubSub_Free(instance->context->pubSub);
metrics_free(instance->context->metrics);
CloseHandle(instance->context->channelErrorEvent);
free(instance->context->errorDescription);
CloseHandle(instance->context->abortEvent);
instance->context->abortEvent = NULL;
freerdp_channels_free(instance->context->channels);
free(instance->context);
instance->context = NULL;
}
UINT32 freerdp_error_info(freerdp* instance)
{
return instance->context->rdp->errorInfo;
}
void freerdp_set_error_info(rdpRdp* rdp, UINT32 error)
{
if (!rdp)
return;
rdp_set_error_info(rdp, error);
}
UINT32 freerdp_get_last_error(rdpContext* context)
{
return context->LastError;
}
const char* freerdp_get_last_error_name(UINT32 code)
{
const char* name = NULL;
const UINT32 cls = GET_FREERDP_ERROR_CLASS(code);
const UINT32 type = GET_FREERDP_ERROR_TYPE(code);
switch (cls)
{
case FREERDP_ERROR_ERRBASE_CLASS:
name = freerdp_get_error_base_name(type);
break;
case FREERDP_ERROR_ERRINFO_CLASS:
name = freerdp_get_error_info_name(type);
break;
case FREERDP_ERROR_CONNECT_CLASS:
name = freerdp_get_error_connect_name(type);
break;
default:
name = "Unknown error class";
break;
}
return name;
}
const char* freerdp_get_last_error_string(UINT32 code)
{
const char* string = NULL;
const UINT32 cls = GET_FREERDP_ERROR_CLASS(code);
const UINT32 type = GET_FREERDP_ERROR_TYPE(code);
switch (cls)
{
case FREERDP_ERROR_ERRBASE_CLASS:
string = freerdp_get_error_base_string(type);
break;
case FREERDP_ERROR_ERRINFO_CLASS:
string = freerdp_get_error_info_string(type);
break;
case FREERDP_ERROR_CONNECT_CLASS:
string = freerdp_get_error_connect_string(type);
break;
default:
string = "Unknown error class";
break;
}
return string;
}
void freerdp_set_last_error(rdpContext* context, UINT32 lastError)
{
if (lastError)
WLog_ERR(TAG, "freerdp_set_last_error %s [0x%08"PRIX32"]",
freerdp_get_last_error_name(lastError), lastError);
if (context->LastError != 0)
{
WLog_ERR(TAG, "TODO: Trying to set error code %s, but %s already set!",
freerdp_get_last_error_name(lastError),
freerdp_get_last_error_name(context->LastError));
}
context->LastError = lastError;
switch (lastError)
{
case FREERDP_ERROR_PRE_CONNECT_FAILED:
connectErrorCode = PREECONNECTERROR;
break;
case FREERDP_ERROR_CONNECT_UNDEFINED:
connectErrorCode = UNDEFINEDCONNECTERROR;
break;
case FREERDP_ERROR_POST_CONNECT_FAILED:
connectErrorCode = POSTCONNECTERROR;
break;
case FREERDP_ERROR_DNS_ERROR:
connectErrorCode = DNSERROR;
break;
case FREERDP_ERROR_DNS_NAME_NOT_FOUND:
connectErrorCode = DNSNAMENOTFOUND;
break;
case FREERDP_ERROR_CONNECT_FAILED:
connectErrorCode = CONNECTERROR;
break;
case FREERDP_ERROR_MCS_CONNECT_INITIAL_ERROR:
connectErrorCode = MCSCONNECTINITIALERROR;
break;
case FREERDP_ERROR_TLS_CONNECT_FAILED:
connectErrorCode = TLSCONNECTERROR;
break;
case FREERDP_ERROR_AUTHENTICATION_FAILED:
connectErrorCode = AUTHENTICATIONERROR;
break;
case FREERDP_ERROR_INSUFFICIENT_PRIVILEGES:
connectErrorCode = INSUFFICIENTPRIVILEGESERROR;
break;
case FREERDP_ERROR_CONNECT_CANCELLED:
connectErrorCode = CANCELEDBYUSER;
break;
case FREERDP_ERROR_SECURITY_NEGO_CONNECT_FAILED:
connectErrorCode = CONNECTERROR;
break;
case FREERDP_ERROR_CONNECT_TRANSPORT_FAILED:
connectErrorCode = CONNECTERROR;
break;
}
}
const char* freerdp_get_logon_error_info_type(UINT32 type)
{
switch (type)
{
case LOGON_MSG_DISCONNECT_REFUSED:
return "LOGON_MSG_DISCONNECT_REFUSED";
case LOGON_MSG_NO_PERMISSION:
return "LOGON_MSG_NO_PERMISSION";
case LOGON_MSG_BUMP_OPTIONS:
return "LOGON_MSG_BUMP_OPTIONS";
case LOGON_MSG_RECONNECT_OPTIONS:
return "LOGON_MSG_RECONNECT_OPTIONS";
case LOGON_MSG_SESSION_TERMINATE:
return "LOGON_MSG_SESSION_TERMINATE";
case LOGON_MSG_SESSION_CONTINUE:
return "LOGON_MSG_SESSION_CONTINUE";
default:
return "UNKNOWN";
}
}
const char* freerdp_get_logon_error_info_data(UINT32 data)
{
switch (data)
{
case LOGON_FAILED_BAD_PASSWORD:
return "LOGON_FAILED_BAD_PASSWORD";
case LOGON_FAILED_UPDATE_PASSWORD:
return "LOGON_FAILED_UPDATE_PASSWORD";
case LOGON_FAILED_OTHER:
return "LOGON_FAILED_OTHER";
case LOGON_WARNING:
return "LOGON_WARNING";
default:
return "SESSION_ID";
}
}
/** Allocator function for the rdp_freerdp structure.
* @return an allocated structure filled with 0s. Need to be deallocated using freerdp_free()
*/
freerdp* freerdp_new()
{
freerdp* instance;
instance = (freerdp*) calloc(1, sizeof(freerdp));
if (!instance)
return NULL;
instance->ContextSize = sizeof(rdpContext);
instance->SendChannelData = freerdp_send_channel_data;
instance->ReceiveChannelData = freerdp_channels_data;
return instance;
}
/** Deallocator function for the rdp_freerdp structure.
* @param instance - pointer to the rdp_freerdp structure to deallocate.
* On return, this pointer is not valid anymore.
*/
void freerdp_free(freerdp* instance)
{
free(instance);
}
ULONG freerdp_get_transport_sent(rdpContext* context, BOOL resetCount)
{
ULONG written = context->rdp->transport->written;
if (resetCount)
context->rdp->transport->written = 0;
return written;
}
HANDLE getChannelErrorEventHandle(rdpContext* context)
{
return context->channelErrorEvent;
}
BOOL checkChannelErrorEvent(rdpContext* context)
{
if (WaitForSingleObject(context->channelErrorEvent, 0) == WAIT_OBJECT_0)
{
WLog_ERR(TAG, "%s. Error was %"PRIu32"", context->errorDescription,
context->channelErrorNum);
return FALSE;
}
return TRUE;
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
UINT getChannelError(rdpContext* context)
{
return context->channelErrorNum;
}
const char* getChannelErrorDescription(rdpContext* context)
{
return context->errorDescription;
}
void clearChannelError(rdpContext* context)
{
context->channelErrorNum = 0;
memset(context->errorDescription, 0, 500);
ResetEvent(context->channelErrorEvent);
}
void setChannelError(rdpContext* context, UINT errorNum, char* description)
{
context->channelErrorNum = errorNum;
strncpy(context->errorDescription, description, 499);
SetEvent(context->channelErrorEvent);
}