Leaked source code of windows server 2003
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/******************************************************************
pingcallback.cpp
Copyright (c) 2000-2001 Microsoft Corporation, All Rights Reserved
Description:
******************************************************************/
#include <stdafx.h>
#include <ntddtcp.h>
#include <ipinfo.h>
#include <tdiinfo.h>
#include <winsock2.h>
#include <provimex.h>
#include <provexpt.h>
#include <provtempl.h>
#include <provmt.h>
#include <typeinfo.h>
#include <provcont.h>
#include <provevt.h>
#include <provthrd.h>
#include <provlog.h>
#include <provval.h>
#include <provtype.h>
#include <provtree.h>
#include <provdnf.h>
#include <winsock.h>
#include "ipexport.h"
#include "icmpapi.h"
#include ".\res_str.h"
#include <Allocator.h>
#include <Thread.h>
#include <HashTable.h>
#include <PingProv.h>
#include <Pingtask.h>
#include <Pingfac.h>
VOID static NTAPI ApcRoutine( // This is called when ping completes
IN PVOID Context, // The above structure
IN PIO_STATUS_BLOCK Ignored1, // Unused param
IN ULONG Ignored2 // Unused param
)
{
CPingCallBackObject *t_request = (CPingCallBackObject *)Context;
t_request->HandleResponse();
t_request->Release();
}
CPingCallBackObject::CPingCallBackObject(CPingTaskObject *a_ParentTask,
LPCWSTR a_AddressString,
ULONG a_Address,
ULONG a_TimeToLive,
ULONG a_Timeout,
ULONG a_SendSize,
BOOL a_NoFragmentation,
ULONG a_TypeofService,
ULONG a_RecordRoute,
ULONG a_TimestampRoute,
ULONG a_SourceRouteType,
LPCWSTR a_SourceRoute,
BOOL a_ResolveAddress,
ULONG a_ResolveError)
:
WmiTask < ULONG > ( *CPingProvider :: s_Allocator ) ,
m_ParentTask(NULL),
m_ReplyBuffer(NULL),
m_SendBuffer(NULL),
m_ReplySize(0),
m_SourceRouteCount(0),
m_IcmpHandle(INVALID_HANDLE_VALUE),
m_ResolveError(a_ResolveError)
{
InterlockedIncrement ( & CPingProviderClassFactory :: s_ObjectsInProgress ) ;
m_ParentTask = a_ParentTask;
m_Address = a_Address;
m_TimeToLive = a_TimeToLive;
m_Timeout = a_Timeout;
m_SendSize = a_SendSize;
m_NoFragmentation = a_NoFragmentation;
m_TypeofService = a_TypeofService;
m_RecordRoute = a_RecordRoute;
m_TimestampRoute = a_TimestampRoute;
m_SourceRouteType = a_SourceRouteType;
m_ResolveAddress = a_ResolveAddress;
if (a_SourceRoute != NULL)
{
m_SourceRoute = a_SourceRoute;
}
if (a_AddressString != NULL)
{
m_AddressString = a_AddressString;
}
}
CPingCallBackObject::~CPingCallBackObject()
{
if (m_ParentTask != NULL)
{
SendError(IDS_CALLBACK_PREMATURE, WBEM_E_FAILED);
}
if (m_ReplyBuffer != NULL)
{
delete [] m_ReplyBuffer;
m_ReplyBuffer = NULL;
}
if (m_SendBuffer != NULL)
{
delete [] m_SendBuffer;
m_SendBuffer = NULL;
}
if (INVALID_HANDLE_VALUE != m_IcmpHandle)
{
IcmpCloseHandle ( m_IcmpHandle );
}
InterlockedDecrement ( & CPingProviderClassFactory :: s_ObjectsInProgress ) ;
}
BOOL CPingCallBackObject::GetIcmpHandle()
{
if (m_IcmpHandle == INVALID_HANDLE_VALUE)
{
m_IcmpHandle = IcmpCreateFile () ;
}
return (m_IcmpHandle != INVALID_HANDLE_VALUE);
}
void CPingCallBackObject :: SendError(DWORD a_ErrMsgID, HRESULT a_HRes)
{
if (m_ParentTask != NULL)
{
m_ParentTask->HandleErrorResponse(a_ErrMsgID, a_HRes);
Disconnect();
}
}
void CPingCallBackObject :: HandleResponse()
{
if (m_ParentTask != NULL)
{
m_ParentTask->HandleResponse(this);
m_ParentTask->SetThreadToken(TRUE);
Disconnect();
}
}
WmiStatusCode CPingCallBackObject :: Process ( WmiThread <ULONG> &a_Thread )
{
SendEcho () ;
return e_StatusCode_Success ;
}
BOOL CPingCallBackObject::ParseSourceRoute()
{
BOOL t_RetVal = TRUE;
CStringW t_Src(m_SourceRoute);
t_Src.TrimLeft();
t_Src.TrimRight();
if (!t_Src.IsEmpty())
{
int t_Index = 0;
while (t_Index != -1)
{
t_Index = t_Src.Find(L',');
if (t_Index == 0)
{
t_RetVal = FALSE;
break;
}
CStringW t_AddrStr;
if (t_Index == -1)
{
t_AddrStr = t_Src;
}
else
{
t_AddrStr = t_Src.Left(t_Index);
int t_len = t_Src.GetLength() - t_Index - 1;
if (t_len == 0)
{
t_RetVal = FALSE;
break;
}
else
{
t_Src = t_Src.Right(t_len);
}
}
t_AddrStr.TrimLeft();
t_AddrStr.TrimRight();
if (!t_AddrStr.IsEmpty())
{
if ( SUCCEEDED ( CPingTaskObject::Icmp_ResolveAddress ( t_AddrStr , m_SourceRouteArray[m_SourceRouteCount] ) ) )
{
m_SourceRouteCount++;
if ((m_SourceRouteCount == PING_MAX_IPS) && (t_Index != -1))
{
t_RetVal = FALSE;
break;
}
}
else
{
t_RetVal = FALSE;
break;
}
}
else
{
t_RetVal = FALSE;
break;
}
}
}
return t_RetVal;
}
void CPingCallBackObject::SendEcho()
{
if (m_ParentTask != NULL)
{
if (m_ParentTask->SetThreadToken(FALSE))
{
HRESULT t_Result = GetIcmpHandle() ? S_OK : WBEM_E_FAILED;
BOOL t_SourceRouting = FALSE ;
uchar t_SendOptions [ MAX_OPT_SIZE ] ;
uint t_OptionLength = 0;
int t_OptionIndex = 0 ;
int t_SourceRouteIndex = -1 ;
uchar t_Flags = m_NoFragmentation ? IP_FLAG_DF : 0 ;
if (FAILED(t_Result))
{
SendError (IDS_ICMPCREATEFILE_FAIL, WBEM_E_FAILED);
}
else
{
if ( m_RecordRoute )
{
if ( ( t_OptionIndex + 3 ) <= MAX_OPT_SIZE )
{
ULONG t_RouteRecordCount = ( m_RecordRoute * sizeof ( ULONG ) ) + 3 ;
if ( ( t_RouteRecordCount + t_OptionIndex ) <= MAX_OPT_SIZE)
{
uchar *t_Options = t_SendOptions ;
t_Options [ t_OptionIndex ] = IP_OPT_RR ;
t_Options [ t_OptionIndex + 1 ] = t_RouteRecordCount ;
t_Options [ t_OptionIndex + 2 ] = 4; // Set initial pointer value
t_OptionLength += t_RouteRecordCount;
t_OptionIndex += t_RouteRecordCount ;
t_SourceRouting = TRUE;
}
else
{
t_Result = WBEM_E_FAILED ;
SendError (IDS_RR_MAX, WBEM_E_FAILED);
}
}
else
{
t_Result = WBEM_E_FAILED ;
SendError (IDS_RR_MAX_INDEX, WBEM_E_FAILED);
}
}
}
if (SUCCEEDED (t_Result))
{
if ( m_TimestampRoute )
{
if ( ( t_OptionIndex + 4 ) <= MAX_OPT_SIZE )
{
ULONG t_TimestampRecordCount = ( m_TimestampRoute * sizeof ( ULONG ) * 2 ) + 4 ;
if ( ( t_TimestampRecordCount + t_OptionIndex ) <= MAX_OPT_SIZE)
{
uchar *t_Options = t_SendOptions ;
t_Options [ t_OptionIndex ] = IP_OPT_TS ;
t_Options [ t_OptionIndex + 1 ] = t_TimestampRecordCount ;
t_Options [ t_OptionIndex + 2 ] = 5; // Set initial pointer value
t_Options [ t_OptionIndex + 3 ] = 1 ;
t_OptionLength += t_TimestampRecordCount ;
t_OptionIndex += t_TimestampRecordCount ;
t_SourceRouting = TRUE;
}
else
{
t_Result = WBEM_E_FAILED ;
SendError (IDS_TS_MAX, WBEM_E_FAILED);
}
}
else
{
t_Result = WBEM_E_FAILED ;
SendError (IDS_TS_MAX_INDEX, WBEM_E_FAILED);
}
}
}
if (SUCCEEDED (t_Result))
{
switch ( m_SourceRouteType )
{
case 1:
{
if ( ParseSourceRoute() )
{
if ( ( t_OptionIndex + 3 ) <= MAX_OPT_SIZE )
{
if ( ( t_OptionIndex + 3 + ( ( m_SourceRouteCount + 1 ) * 4 ) ) <= MAX_OPT_SIZE )
{
uchar *t_Options = t_SendOptions ;
t_Options [ t_OptionIndex ] = IP_OPT_LSRR ;
t_Options [ t_OptionIndex + 1 ] = 3;
t_Options [ t_OptionIndex + 2 ] = 4;
t_OptionLength += 3 ;
for ( ULONG t_SourceIndex = 0 ; t_SourceIndex < m_SourceRouteCount ; t_SourceIndex ++ )
{
ULONG t_RouteIndex = t_Options [ t_OptionIndex + 1 ] ;
//* ( ULONG * ) &t_Options [ t_RouteIndex + t_OptionIndex ] = m_SourceRouteArray [ t_SourceIndex ] ;
memcpy ( &t_Options [ t_RouteIndex + t_OptionIndex ], &m_SourceRouteArray [ t_SourceIndex ], sizeof ( ULONG ) );
t_Options [ t_OptionIndex + 1 ] += 4 ;
t_OptionLength += 4 ;
}
t_SourceRouteIndex = t_Options [ t_OptionIndex + 1 ] + t_OptionIndex ;
t_Options [ t_OptionIndex + 1 ] += 4 ; // Save space for dest. addr
t_OptionIndex += t_Options [ t_OptionIndex + 1 ] ;
t_OptionLength += 4 ;
t_SourceRouting = TRUE;
}
else
{
t_Result = WBEM_E_FAILED ;
SendError (IDS_SR_MAX, WBEM_E_FAILED);
}
}
else
{
t_Result = WBEM_E_FAILED ;
SendError (IDS_SR_MAX_INDEX, WBEM_E_FAILED);
}
}
else
{
t_Result = WBEM_E_FAILED ;
SendError (IDS_SR_PARSE, WBEM_E_FAILED);
}
}
break ;
case 2:
{
if ( ParseSourceRoute() )
{
if ( ( t_OptionIndex + 3 ) <= MAX_OPT_SIZE )
{
if ( ( t_OptionIndex + 3 + ( ( m_SourceRouteCount + 1 ) * 4 ) ) <= MAX_OPT_SIZE )
{
uchar *t_Options = t_SendOptions ;
t_Options [ t_OptionIndex ] = IP_OPT_SSRR ;
t_Options [ t_OptionIndex + 1 ] = 3;
t_Options [ t_OptionIndex + 2 ] = 4;
t_OptionLength += 3 ;
for ( ULONG t_SourceIndex = 0 ; t_SourceIndex < m_SourceRouteCount ; t_SourceIndex ++ )
{
ULONG t_RouteIndex = t_Options [ t_OptionIndex + 1 ] ;
//* ( ULONG * ) &t_Options [ t_RouteIndex + t_OptionIndex ] = m_SourceRouteArray [ t_SourceIndex ] ;
memcpy ( &t_Options [ t_RouteIndex + t_OptionIndex ], &m_SourceRouteArray [ t_SourceIndex ], sizeof ( ULONG ) );
t_Options [ t_OptionIndex + 1 ] += 4 ;
t_OptionLength += 4 ;
}
t_SourceRouteIndex = t_Options [ t_OptionIndex + 1 ] + t_OptionIndex ;
t_Options [ t_OptionIndex + 1 ] += 4 ; // Save space for dest. addr
t_OptionIndex += t_Options [ t_OptionIndex + 1 ] ;
t_OptionLength += 4 ;
t_SourceRouting = TRUE;
}
else
{
t_Result = WBEM_E_FAILED ;
SendError (IDS_SR_MAX, WBEM_E_FAILED);
}
}
else
{
t_Result = WBEM_E_FAILED ;
SendError (IDS_SR_MAX_INDEX, WBEM_E_FAILED);
}
}
else
{
t_Result = WBEM_E_FAILED ;
SendError (IDS_SR_PARSE, WBEM_E_FAILED);
}
}
break ;
case 0:
default:
{
}
break ;
}
}
if (SUCCEEDED (t_Result))
{
if ( t_SourceRouteIndex != -1 )
{
//* ( ULONG *) & t_SendOptions [ t_SourceRouteIndex ] = m_Address ;
memcpy ( & t_SendOptions [ t_SourceRouteIndex ], &m_Address, sizeof ( ULONG ) );
}
m_SendBuffer = new UCHAR[m_SendSize] ;
//
// Calculate receive buffer size and try to allocate it.
//
if ( m_SendSize <= DEFAULT_SEND_SIZE )
{
m_ReplySize = DEFAULT_BUFFER_SIZE ;
}
else
{
m_ReplySize = MAX_BUFFER_SIZE ;
}
m_ReplyBuffer = new UCHAR[m_ReplySize] ;
//
// Initialize the send buffer pattern.
//
for ( ULONG t_Index = 0; t_Index < m_SendSize; t_Index ++)
{
m_SendBuffer [ t_Index ] = 'a' + ( t_Index % 23 ) ;
}
//
// Initialize the send options
//
IP_OPTION_INFORMATION t_SendOptionInformation ;
t_SendOptionInformation.OptionsData = t_SendOptions ;
t_SendOptionInformation.OptionsSize = (uchar) t_OptionLength ;
t_SendOptionInformation.Ttl = m_TimeToLive ;
t_SendOptionInformation.Tos = m_TypeofService ;
t_SendOptionInformation.Flags = t_Flags ;
//will always return 0 in async case!
ULONG t_ReplyStatus = IcmpSendEcho2 (
m_IcmpHandle,
0,
ApcRoutine,
(PVOID)this ,
m_Address,
m_SendBuffer ,
(unsigned short) m_SendSize ,
& t_SendOptionInformation ,
m_ReplyBuffer,
m_ReplySize,
m_Timeout
);
//we're async get the return val elsewhere
t_ReplyStatus = GetLastError();
if( (ERROR_SUCCESS != t_ReplyStatus) && (ERROR_IO_PENDING != t_ReplyStatus) )
{
SendError (IDS_ICMPSENDECHO2, WBEM_E_FAILED);
}
}
m_ParentTask->SetThreadToken(TRUE);
if (FAILED(t_Result))
{
Release();
}
}
else
{
SendError(IDS_IMPERSONATE_SEND, WBEM_E_ACCESS_DENIED);
Release();
}
}
else
{
Release();
}
}