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windows-server-2003/termsrv/license/hserver/licprot/licprot.c

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//+----------------------------------------------------------------------------
//
// Microsoft Windows
// Copyright (C) Microsoft Corporation, 1996-1998
//
// File: licprot.c
//
// Contents: Implementation of Hydra Server License Protocol API
//
// History: 02-08-00 RobLeit Created
//
//-----------------------------------------------------------------------------
#include "precomp.h"
#include <rpcnterr.h>
#include <lmapibuf.h>
#include "licemem.inc"
#include <srvdef.h>
#include <tserrs.h>
#include <locale.h>
BOOL g_fSetLocale = FALSE;
VOID
LogLicensingTimeBombExpirationEvent();
void
ThrottleLicenseLogEvent(
WORD wEventType,
DWORD dwEventId,
WORD cStrings,
PWCHAR * apwszStrings );
LICENSE_STATUS
LsStatusToLicenseStatus(
DWORD LsStatus,
DWORD LsStatusDefault
);
#define LS_DISCOVERY_TIMEOUT (1*1000)
// Copied from tlserver\server\srvdef.h
#define PERMANENT_LICENSE_EXPIRE_DATE INT_MAX
#define SECONDS_IN_A_DAY 86400 // number of seconds in a day
#define TERMINAL_SERVICE_EVENT_LOG L"TermService"
#define HARDCODED_CHALLENGE_DATA _TEXT("TEST")
///////////////////////////////////////////////////////////////////////////////
//
// Global variables
//
HANDLE g_hEventLog = NULL;
BOOL g_fEventLogOpen = FALSE;
CRITICAL_SECTION g_EventLogCritSec;
DWORD g_dwLicenseExpirationLeeway = PERMANENT_LICENSE_LEASE_EXPIRE_LEEWAY;
DWORD g_dwTerminalServerVersion;
///////////////////////////////////////////////////////////////////////////////
LICENSE_STATUS
InitializeProtocolLib()
{
LICENSE_STATUS lsStatus;
//
// initialize the cert util library
//
if (LSInitCertutilLib( 0 ))
{
__try
{
INITLOCK( &g_EventLogCritSec );
}
__except( EXCEPTION_EXECUTE_HANDLER )
{
return LICENSE_STATUS_OUT_OF_MEMORY;
}
g_hEventLog = RegisterEventSource( NULL, TERMINAL_SERVICE_EVENT_LOG );
if (NULL != g_hEventLog)
{
g_fEventLogOpen = TRUE;
}
}
else
{
return LICENSE_STATUS_SERVER_ABORT;
}
lsStatus = InitializeLicensingTimeBomb();
if (lsStatus == LICENSE_STATUS_OK)
{
DWORD dwStatus;
HKEY hKey = NULL;
DWORD dwOSVersion = GetVersion();
g_dwTerminalServerVersion = (DWORD)(HIBYTE(LOWORD(dwOSVersion)));
g_dwTerminalServerVersion |= (DWORD)(LOBYTE(LOWORD(dwOSVersion)) << 16);
dwStatus = RegCreateKeyEx(HKEY_LOCAL_MACHINE, HYDRA_SERVER_PARAM, 0,
NULL, REG_OPTION_NON_VOLATILE, KEY_ALL_ACCESS, NULL, &hKey,
NULL);
if (dwStatus == ERROR_SUCCESS)
{
DWORD dwBuffer;
DWORD cbBuffer = sizeof(DWORD);
dwStatus = RegQueryValueEx(hKey, PERSEAT_LEEWAY_VALUE, NULL, NULL,
(LPBYTE)&dwBuffer, &cbBuffer);
if (dwStatus == ERROR_SUCCESS)
{
g_dwLicenseExpirationLeeway = min(dwBuffer,
PERMANENT_LICENSE_LEASE_EXPIRE_LEEWAY);
}
}
TSRNG_Initialize();
if(hKey)
RegCloseKey(hKey);
}
return lsStatus;
}
///////////////////////////////////////////////////////////////////////////////
LICENSE_STATUS
ShutdownProtocolLib()
{
//
// shut down cert util library
//
g_fEventLogOpen = FALSE;
DeregisterEventSource( g_hEventLog );
g_hEventLog = NULL;
DELETELOCK(&g_EventLogCritSec);
LSShutdownCertutilLib();
TSRNG_Shutdown();
return( LICENSE_STATUS_OK );
}
///////////////////////////////////////////////////////////////////////////////
LICENSE_STATUS
CreateProtocolContext(
IN LPLICENSE_CAPABILITIES pLicenseCap,
OUT HANDLE * phContext)
{
LICENSE_STATUS Status;
PHS_Protocol_Context pLicenseContext = NULL;
//
// allocate the protocol context
//
Status = LicenseMemoryAllocate( sizeof( HS_Protocol_Context ), &pLicenseContext );
if( LICENSE_STATUS_OK != Status )
{
return( Status );
}
//
// Note: InitializeCriticalSection could throw an exception during
// low memory conditions.
//
__try
{
INITLOCK( &pLicenseContext->CritSec );
}
__except( EXCEPTION_EXECUTE_HANDLER )
{
#if DBG
DbgPrint( "LICPROT: CreateLicenseContext: InitializeCriticalSection exception: 0x%x\n",
GetExceptionCode() );
#endif
Status = LICENSE_STATUS_OUT_OF_MEMORY;
if( pLicenseContext )
{
LicenseMemoryFree( &pLicenseContext );
}
return( Status );
}
pLicenseContext->hLSHandle = NULL;
pLicenseContext->State = INIT;
pLicenseContext->dwProtocolVersion = LICENSE_HIGHEST_PROTOCOL_VERSION;
pLicenseContext->fAuthenticateServer = TRUE;
pLicenseContext->CertTypeUsed = CERT_TYPE_INVALID;
pLicenseContext->dwKeyExchangeAlg = KEY_EXCHANGE_ALG_RSA;
pLicenseContext->fLoggedProtocolError = FALSE;
//
// Initialize the crypto context parameters
//
pLicenseContext->CryptoContext.dwCryptState = CRYPT_SYSTEM_STATE_INITIALIZED;
pLicenseContext->CryptoContext.dwSessKeyAlg = BASIC_RC4_128;
pLicenseContext->CryptoContext.dwMACAlg = MAC_MD5_SHA;
if (NULL != pLicenseCap)
{
//
// initialize the license context with the incoming data.
//
pLicenseContext->fAuthenticateServer = pLicenseCap->fAuthenticateServer;
pLicenseContext->dwProtocolVersion = pLicenseCap->ProtocolVer;
//
// If the client is not authenticating the server, this means that
// the client already has our certificate. But we need to know which
// certificate the client has.
//
if( FALSE == pLicenseContext->fAuthenticateServer )
{
pLicenseContext->CertTypeUsed = pLicenseCap->CertType;
}
//
// remember the client's machine name
//
if( pLicenseCap->pbClientName )
{
Status = LicenseMemoryAllocate(
pLicenseCap->cbClientName,
&pLicenseContext->ptszClientMachineName );
if( LICENSE_STATUS_OK == Status )
{
//
// copy the client machine name
//
memcpy( pLicenseContext->ptszClientMachineName,
pLicenseCap->pbClientName,
pLicenseCap->cbClientName );
}
else
{
goto error;
}
}
}
else
{
pLicenseContext->ptszClientMachineName = NULL;
}
*phContext = ( HANDLE )pLicenseContext;
return( Status );
error:
//
// encountered error creating context, free allocated memory before
// returning
//
if( pLicenseContext )
{
DELETELOCK( &pLicenseContext->CritSec );
if (pLicenseContext->ptszClientMachineName)
{
LicenseMemoryFree(&pLicenseContext->ptszClientMachineName);
}
LicenseMemoryFree( &pLicenseContext );
}
return( Status );
}
///////////////////////////////////////////////////////////////////////////////
LICENSE_STATUS
DeleteProtocolContext(
HANDLE hContext )
{
PHS_Protocol_Context pLicenseContext = ( PHS_Protocol_Context )hContext;
if( NULL == pLicenseContext )
{
return( LICENSE_STATUS_INVALID_SERVER_CONTEXT );
}
LOCK( &pLicenseContext->CritSec );
if (pLicenseContext->hLSHandle != NULL)
{
TLSDisconnectFromServer(pLicenseContext->hLSHandle);
pLicenseContext->hLSHandle = NULL;
}
if( pLicenseContext->ProductInfo.pbCompanyName )
{
LicenseMemoryFree( &pLicenseContext->ProductInfo.pbCompanyName );
}
if( pLicenseContext->ProductInfo.pbProductID )
{
LicenseMemoryFree( &pLicenseContext->ProductInfo.pbProductID );
}
if( pLicenseContext->ptszClientUserName )
{
LicenseMemoryFree( &pLicenseContext->ptszClientUserName );
}
if( pLicenseContext->ptszClientMachineName )
{
LicenseMemoryFree( &pLicenseContext->ptszClientMachineName );
}
if( pLicenseContext->pbOldLicense )
{
LicenseMemoryFree( &pLicenseContext->pbOldLicense );
}
//
// Free the license info that's being cached
//
if( pLicenseContext->pTsLicenseInfo )
{
FreeLicenseInfo( pLicenseContext->pTsLicenseInfo );
LicenseMemoryFree( &pLicenseContext->pTsLicenseInfo );
}
UNLOCK( &pLicenseContext->CritSec );
DELETELOCK( &pLicenseContext->CritSec );
LicenseMemoryFree( &pLicenseContext );
return( LICENSE_STATUS_OK );
}
///////////////////////////////////////////////////////////////////////////////
void
HandleErrorCondition(
PHS_Protocol_Context pLicenseContext,
PDWORD pcbOutBuf,
PBYTE * ppOutBuf,
LICENSE_STATUS * pStatus )
{
License_Error_Message ErrorMsg;
LICENSE_STATUS licenseStatus;
//
// returns the correct error code based on the error condition
//
switch( *pStatus )
{
case( LICENSE_STATUS_NO_LICENSE_SERVER ):
ErrorMsg.dwErrorCode = GM_HS_ERR_NO_LICENSE_SERVER;
ErrorMsg.dwStateTransition = ST_NO_TRANSITION;
break;
case( LICENSE_STATUS_INVALID_MAC_DATA ):
ErrorMsg.dwErrorCode = GM_HC_ERR_INVALID_MAC;
ErrorMsg.dwStateTransition = ST_TOTAL_ABORT;
break;
//
// Handle all other error conditions as invalid client
//
case( LICENSE_STATUS_INVALID_RESPONSE ):
default:
ErrorMsg.dwErrorCode = GM_HS_ERR_INVALID_CLIENT;
ErrorMsg.dwStateTransition = ST_TOTAL_ABORT;
break;
}
//
// for now, we are not sending any error string
//
ErrorMsg.bbErrorInfo.wBlobType = BB_ERROR_BLOB;
ErrorMsg.bbErrorInfo.wBlobLen = 0;
ErrorMsg.bbErrorInfo.pBlob = NULL;
//
// pack the error message
//
licenseStatus = PackHydraServerErrorMessage(
pLicenseContext->dwProtocolVersion,
&ErrorMsg,
ppOutBuf,
pcbOutBuf );
if( LICENSE_STATUS_OK != licenseStatus )
{
#if DBG
DbgPrint( "HandleErrorConditions: cannot pack error message: 0x%x\n", *pStatus );
#endif
*pStatus = LICENSE_STATUS_SERVER_ABORT;
}
return;
}
///////////////////////////////////////////////////////////////////////////////
LICENSE_STATUS
CreateHydraServerHello(
PHS_Protocol_Context pLicenseContext,
DWORD cbInBuf,
PBYTE pInBuf,
DWORD * pcbOutBuf,
PBYTE * ppOutBuf )
{
Hydra_Server_License_Request LicenseRequest;
LICENSE_STATUS Status;
Binary_Blob ScopeBlob;
CHAR szScope[] = SCOPE_NAME;
DWORD dwCertSize;
//
// generate a server random number
//
if(!TSRNG_GenerateRandomBits( LicenseRequest.ServerRandom, LICENSE_RANDOM ))
{
Status = LICENSE_STATUS_OUT_OF_MEMORY;
goto no_request;
}
memcpy( pLicenseContext->CryptoContext.rgbServerRandom,
LicenseRequest.ServerRandom,
LICENSE_RANDOM );
//
// fill in the product info. Allocate memory for and initialize the
// license context copy of the product info and then just copy the
// same product info to the license request.
// NOTE: This info should probably be passed in in the future
//
Status = InitProductInfo(
&( pLicenseContext->ProductInfo ),
PRODUCT_INFO_SKU_PRODUCT_ID );
if( LICENSE_STATUS_OK != Status )
{
#if DBG
DbgPrint( "CreateHydraServerHello: cannot init product info: 0x%x\n", Status );
#endif
goto no_request;
}
memcpy( &LicenseRequest.ProductInfo,
&pLicenseContext->ProductInfo,
sizeof( Product_Info ) );
//
// get the hydra server certificate and fill in the key exchange list
//
LicenseRequest.KeyExchngList.wBlobType = BB_KEY_EXCHG_ALG_BLOB;
LicenseRequest.KeyExchngList.wBlobLen = sizeof( DWORD );
LicenseRequest.KeyExchngList.pBlob = ( PBYTE )&pLicenseContext->dwKeyExchangeAlg;
LicenseRequest.ServerCert.pBlob = NULL;
LicenseRequest.ServerCert.wBlobLen = 0;
//
// We may or may not have to send the client the certificate depending on whether the
// client is authenticating the server.
//
if( TRUE == pLicenseContext->fAuthenticateServer )
{
//
// decide on what kind of certificate to get depending on the client's version.
// Pre-Hydra 5.0 clients only knows how to decode proprietory certificate.
// Use X509 certificate for all other clients.
//
if( CERT_TYPE_INVALID == pLicenseContext->CertTypeUsed )
{
if( PREAMBLE_VERSION_3_0 > GET_PREAMBLE_VERSION( pLicenseContext->dwProtocolVersion ) )
{
pLicenseContext->CertTypeUsed = CERT_TYPE_PROPRIETORY;
}
else
{
pLicenseContext->CertTypeUsed = CERT_TYPE_X509;
}
}
Status = TLSGetTSCertificate(
pLicenseContext->CertTypeUsed,
&LicenseRequest.ServerCert.pBlob,
&dwCertSize);
LicenseRequest.ServerCert.wBlobLen = LOWORD(dwCertSize);
LicenseRequest.ServerCert.wBlobType = BB_CERTIFICATE_BLOB;
if( ( LICENSE_STATUS_OK != Status ) &&
( CERT_TYPE_X509 == pLicenseContext->CertTypeUsed ) )
{
//
// if we cannot get the X509 certificate chain, use the proprietory
// certificate.
//
pLicenseContext->CertTypeUsed = CERT_TYPE_PROPRIETORY;
Status = TLSGetTSCertificate(
pLicenseContext->CertTypeUsed,
&LicenseRequest.ServerCert.pBlob,
&dwCertSize);
LicenseRequest.ServerCert.wBlobLen = LOWORD(dwCertSize);
LicenseRequest.ServerCert.wBlobType = BB_CERTIFICATE_BLOB;
}
if( LICENSE_STATUS_OK != Status )
{
#if DBG
DbgPrint( "LICPROT: cannot get server certificate: %x\n", Status );
#endif
goto no_request;
}
}
//
// fill in the scope info. This info may be passed in in the future.
//
LicenseRequest.ScopeList.dwScopeCount = 1;
LicenseRequest.ScopeList.Scopes = &ScopeBlob;
ScopeBlob.wBlobType = BB_SCOPE_BLOB;
ScopeBlob.pBlob = szScope;
ScopeBlob.wBlobLen = strlen( ScopeBlob.pBlob ) + 1;
strcpy( pLicenseContext->Scope, ScopeBlob.pBlob );
//
// Pack the server hello message into network format
//
Status = PackHydraServerLicenseRequest(
pLicenseContext->dwProtocolVersion,
&LicenseRequest,
ppOutBuf,
pcbOutBuf );
//
// free the memory containing the server certificate
//
if( LicenseRequest.ServerCert.pBlob )
{
TLSFreeTSCertificate( LicenseRequest.ServerCert.pBlob );
LicenseRequest.ServerCert.pBlob = NULL;
}
if( LICENSE_STATUS_OK != Status )
{
goto no_request;
}
Status = LICENSE_STATUS_CONTINUE;
//
// change the state of the context
//
pLicenseContext->State = SENT_SERVER_HELLO;
return( Status );
//=========================================================================
// Error return
//=========================================================================
no_request:
//
// free memory and handles
//
if( pLicenseContext->ProductInfo.pbCompanyName )
{
LicenseMemoryFree( &pLicenseContext->ProductInfo.pbCompanyName );
}
if( pLicenseContext->ProductInfo.pbProductID )
{
LicenseMemoryFree( &pLicenseContext->ProductInfo.pbProductID );
}
return( Status );
}
///////////////////////////////////////////////////////////////////////////////
LICENSE_STATUS
HandleHelloResponse(
PHS_Protocol_Context pLicenseContext,
DWORD cbInBuf,
PBYTE pInBuf,
DWORD * pcbOutBuf,
PBYTE * ppOutBuf,
BOOL* pfExtendedError)
{
PPreamble pPreamble;
ASSERT( NULL != pInBuf );
ASSERT( cbInBuf > sizeof( Preamble ) );
if( ( NULL == pInBuf ) || ( sizeof( Preamble ) > cbInBuf ) )
{
return( LICENSE_STATUS_INVALID_INPUT );
}
//
// check the message preamble to determine how to unpack the message
//
pPreamble = ( PPreamble )pInBuf;
if( HC_LICENSE_INFO == pPreamble->bMsgType )
{
//
// Client has sent us its license
//
return( HandleClientLicense( pLicenseContext, cbInBuf, pInBuf, pcbOutBuf, ppOutBuf, pfExtendedError ) );
}
else if( HC_NEW_LICENSE_REQUEST == pPreamble->bMsgType )
{
//
// Client has requested for a new license
//
return( HandleNewLicenseRequest( pLicenseContext, cbInBuf, pInBuf, pcbOutBuf, ppOutBuf, pfExtendedError ) );
}
else if( GM_ERROR_ALERT == pPreamble->bMsgType )
{
//
// Client has encountered an error
//
return( HandleClientError( pLicenseContext, cbInBuf, pInBuf, pcbOutBuf, ppOutBuf, pfExtendedError ) );
}
//
// The client response is invalid for the current server state
//
return( LICENSE_STATUS_INVALID_RESPONSE );
}
///////////////////////////////////////////////////////////////////////////////
LICENSE_STATUS
ChooseLicense(
PValidation_Info pValidationInfo,
DWORD dwNumLicenses,
LICENSEDPRODUCT * pLicenseInfo,
LPDWORD pdwLicenseIndex,
BOOL fMatchingVersion )
{
DWORD
dwCurrentLicense,
dwProductVersion;
LICENSEDPRODUCT *
pCurrentLicense = pLicenseInfo;
BOOL
fFoundLicense = FALSE;
if( ( 0 >= dwNumLicenses ) || ( NULL == pLicenseInfo ) || ( NULL == pdwLicenseIndex ) )
{
return( LICENSE_STATUS_INVALID_INPUT );
}
//
// Find a license with the license array that matches the criteria.
// The caller may be looking for a license that matches the current product
// version, or for a license that is later than the current product version.
//
for( dwCurrentLicense = 0; dwCurrentLicense < dwNumLicenses; dwCurrentLicense++ )
{
if( TERMSERV_CERT_VERSION_BETA == pCurrentLicense->dwLicenseVersion )
{
continue;
}
dwProductVersion = pCurrentLicense->pLicensedVersion->wMajorVersion;
dwProductVersion <<= 16;
dwProductVersion |= pCurrentLicense->pLicensedVersion->wMinorVersion;
if( fMatchingVersion )
{
//
// we should be looking for a license with a matching version
//
if( dwProductVersion == pValidationInfo->pProductInfo->dwVersion )
{
fFoundLicense = TRUE;
break;
}
}
else
{
//
// Looking for a license that is later than the current product
// version.
//
if( dwProductVersion > pValidationInfo->pProductInfo->dwVersion )
{
fFoundLicense = TRUE;
break;
}
}
//
// continue looking for the license
//
pCurrentLicense++;
}
if( FALSE == fFoundLicense )
{
return( LICENSE_STATUS_NO_LICENSE_ERROR );
}
*pdwLicenseIndex = dwCurrentLicense;
return( LICENSE_STATUS_OK );
}
///////////////////////////////////////////////////////////////////////////////
VOID
UpdateVerifyResult(
LICENSE_STATUS * pCurrentStatus,
LICENSE_STATUS NewStatus )
{
//
// Update the current status with the best result so far.
// The ratings of the license verification result are as follows:
//
// (1) LICENSE_STATUS_OK
// (2) LICENSE_STATUS_SHOULD_UPGRADE_LICENSE
// (3) LICENSE_STATUS_MUST_UPGRADE_LICENSE
// (4) Other LICENSE_STATUS_xxx
//
if( LICENSE_STATUS_OK == *pCurrentStatus )
{
return;
}
else if( LICENSE_STATUS_OK == NewStatus )
{
*pCurrentStatus = NewStatus;
return;
}
if( LICENSE_STATUS_SHOULD_UPGRADE_LICENSE == *pCurrentStatus )
{
return;
}
else if( LICENSE_STATUS_SHOULD_UPGRADE_LICENSE == NewStatus )
{
*pCurrentStatus = NewStatus;
return;
}
if( LICENSE_STATUS_MUST_UPGRADE_LICENSE == *pCurrentStatus )
{
return;
}
else if( LICENSE_STATUS_MUST_UPGRADE_LICENSE == NewStatus )
{
*pCurrentStatus = NewStatus;
return;
}
*pCurrentStatus = NewStatus;
return;
}
/*++
Function:
FreeTsLicenseInfo
Description:
Release all the memory used in the given TS_LICENSE_INFO structure
Parameter:
pTsLicenseInfo - Pointer to a TS_LICENSE_INFO structure
Return:
Nothing.
--*/
VOID
FreeTsLicenseInfo(
PTS_LICENSE_INFO pTsLicenseInfo )
{
if( NULL == pTsLicenseInfo )
{
return;
}
if( pTsLicenseInfo->pbRawLicense )
{
LicenseMemoryFree( &pTsLicenseInfo->pbRawLicense );
}
//
// release all memory within the structure
//
memset( pTsLicenseInfo, 0, sizeof( TS_LICENSE_INFO ) );
return;
}
/*++
Function:
CacheLicenseInfo
Description:
Cache the client licensing info
Parameters:
pLicenseContext - Pointer to license protocol context
pCurrentLicense - Pointer to the license info to cache
Returns:
nothing.
--*/
VOID
CacheLicenseInfo(
PHS_Protocol_Context pLicenseContext,
PLICENSEDPRODUCT pCurrentLicense )
{
LICENSE_STATUS
Status;
//
// free the old information in the cache
//
if( pLicenseContext->pTsLicenseInfo )
{
FreeTsLicenseInfo( pLicenseContext->pTsLicenseInfo );
}
else
{
Status = LicenseMemoryAllocate( sizeof( TS_LICENSE_INFO ), &pLicenseContext->pTsLicenseInfo );
if( LICENSE_STATUS_OK != Status )
{
#if DBG
DbgPrint( "LICEMGR: CacheLicenseInfo: cannot allocate memory for license info cache\n" );
#endif
return;
}
}
//
// decide if the license is temporary
//
if( pCurrentLicense->pLicensedVersion->dwFlags & 0x80000000 )
{
pLicenseContext->pTsLicenseInfo->fTempLicense = TRUE;
}
else
{
pLicenseContext->pTsLicenseInfo->fTempLicense = FALSE;
}
//
// cache license validity dates
//
pLicenseContext->pTsLicenseInfo->NotAfter = pCurrentLicense->NotAfter;
return;
}
///////////////////////////////////////////////////////////////////////////////
LICENSE_STATUS
ValidateHydraLicense(
PHS_Protocol_Context pLicenseContext,
PValidation_Info pValidationInfo,
DWORD dwNumLicenses,
PLICENSEDPRODUCT pLicenseInfo,
PDWORD pdwLicenseState )
{
LICENSE_STATUS
Status = LICENSE_STATUS_INVALID_LICENSE,
CurrentStatus;
DWORD
dwLicenseIndex = 0,
dwCurrentLicense = 0;
PLICENSEDPRODUCT
pCurrentLicense;
BOOL
fFoundMatchingVersion = FALSE;
//
// The client could have given us multiple licenses. Pick the right
// license from the array of licenses to validate. Always try to pick
// the license that matches the current product version before looking
// for a license that is for a later version.
//
CurrentStatus = ChooseLicense(
pValidationInfo,
dwNumLicenses,
pLicenseInfo,
&dwLicenseIndex,
TRUE );
if( LICENSE_STATUS_OK == CurrentStatus )
{
//
// Verify the license that is the same version as the current product
// version
// initialize the license state
//
LicenseInitState( *pdwLicenseState );
pCurrentLicense = pLicenseInfo + dwLicenseIndex;
fFoundMatchingVersion = TRUE;
//
// verify HWID
//
CurrentStatus = VerifyClientHwid( pLicenseContext, pValidationInfo, pCurrentLicense );
if( LICENSE_STATUS_OK != CurrentStatus )
{
UpdateVerifyResult( &Status, CurrentStatus );
goto verify_later_license;
}
//
// verify product info. Also verifies the product version.
// The product version determines if the license needs to be
// upgraded or not.
//
CurrentStatus = VerifyLicenseProductInfo(
pLicenseContext,
pValidationInfo,
pCurrentLicense,
pdwLicenseState );
if( LICENSE_STATUS_OK != CurrentStatus )
{
UpdateVerifyResult( &Status, CurrentStatus );
goto verify_later_license;
}
//
// verify license valid date and time.
//
CurrentStatus = VerifyLicenseDateAndTime( pCurrentLicense, pdwLicenseState );
if( LICENSE_STATUS_OK != CurrentStatus )
{
UpdateVerifyResult( &Status, CurrentStatus );
goto verify_later_license;
}
CurrentStatus = GetVerifyResult( *pdwLicenseState );
UpdateVerifyResult( &Status, CurrentStatus );
//
// cache the license we tried to validate
//
CacheLicenseInfo( pLicenseContext, pCurrentLicense );
//
// If the current license is OK, then we're done verifying
//
if( LICENSE_STATUS_OK == Status )
{
return( Status );
}
}
verify_later_license:
//
// Cannot find or did not sucessfully verify a license that matches the
// current product version. The following code finds and verifies
// licenses that are later than the current product version.
//
CurrentStatus = ChooseLicense(
pValidationInfo,
dwNumLicenses,
pLicenseInfo,
&dwLicenseIndex,
FALSE );
if( LICENSE_STATUS_OK != CurrentStatus )
{
if( FALSE == fFoundMatchingVersion )
{
//
// cannot find a license that is the same or later than the current
// product version ==> this license must be upgraded.
//
LicenseSetState( *pdwLicenseState, LICENSE_STATE_OLD_VERSION );
//
// Cache the existing license regardless, so we know what type
// it is
//
CacheLicenseInfo( pLicenseContext, pLicenseInfo );
return( GetVerifyResult( *pdwLicenseState ) );
}
else
{
return( Status );
}
}
pCurrentLicense = pLicenseInfo + dwLicenseIndex;
dwCurrentLicense = dwLicenseIndex;
while( dwCurrentLicense < dwNumLicenses )
{
//
// initialize the license state
//
LicenseInitState( *pdwLicenseState );
//
// verify HWID
//
CurrentStatus = VerifyClientHwid( pLicenseContext, pValidationInfo, pCurrentLicense );
if( LICENSE_STATUS_OK != CurrentStatus )
{
UpdateVerifyResult( &Status, CurrentStatus );
goto next_license;
}
//
// verify product info. Also verifies the product version.
// The product version determines if the license needs to be
// upgraded or not.
//
CurrentStatus = VerifyLicenseProductInfo(
pLicenseContext,
pValidationInfo,
pCurrentLicense,
pdwLicenseState );
if( LICENSE_STATUS_OK != CurrentStatus )
{
UpdateVerifyResult( &Status, CurrentStatus );
goto next_license;
}
//
// verify license valid date and time.
//
CurrentStatus = VerifyLicenseDateAndTime( pCurrentLicense, pdwLicenseState );
if( LICENSE_STATUS_OK != CurrentStatus )
{
UpdateVerifyResult( &Status, CurrentStatus );
goto next_license;
}
CurrentStatus = GetVerifyResult( *pdwLicenseState );
UpdateVerifyResult( &Status, CurrentStatus );
//
// cache the info of the license we had just try to validate
//
CacheLicenseInfo( pLicenseContext, pCurrentLicense );
if( LICENSE_STATUS_OK == Status )
{
//
// if the license is OK, then we can stop the verification process
//
break;
}
next_license:
//
// Get the next license that is later than the current product version.
//
if( dwNumLicenses <= ++dwCurrentLicense )
{
break;
}
pCurrentLicense++;
CurrentStatus = ChooseLicense(
pValidationInfo,
dwNumLicenses - dwCurrentLicense,
pCurrentLicense,
&dwLicenseIndex,
FALSE );
if( LICENSE_STATUS_OK != CurrentStatus )
{
break;
}
pCurrentLicense += dwLicenseIndex;
dwCurrentLicense += dwLicenseIndex;
}
return( Status );
}
///////////////////////////////////////////////////////////////////////////////
LICENSE_STATUS
ValidateLicense(
PHS_Protocol_Context pLicenseContext,
PValidation_Info pValidationInfo,
PDWORD pdwLicenseState,
BOOL fCheckForPermanent )
{
LICENSE_STATUS Status;
DWORD dwNumLicenseInfo = 0;
LICENSEDPRODUCT * pLicenseInfo = NULL;
static DWORD cchComputerName;
static TCHAR szComputerName[MAX_COMPUTERNAME_LENGTH + 1];
DWORD cbSecretKey = 0;
PBYTE pbSecretKey = NULL;
BOOL fDifferent = FALSE;
if( NULL == pLicenseContext )
{
return( LICENSE_STATUS_INVALID_INPUT );
}
//
// Get the secret key that is used to encrypt the HWID
//
LicenseGetSecretKey( &cbSecretKey, NULL );
Status = LicenseMemoryAllocate( cbSecretKey, &pbSecretKey );
if( LICENSE_STATUS_OK != Status )
{
goto done;
}
Status = LicenseGetSecretKey( &cbSecretKey, pbSecretKey );
if( LICENSE_STATUS_OK != Status )
{
goto done;
}
//
// decode license issued by hydra license server certificate engine.
// Decoding the license will also get us back the decrypted HWID.
//
__try
{
Status = LSVerifyDecodeClientLicense(
pValidationInfo->pLicense,
pValidationInfo->cbLicense,
pbSecretKey,
cbSecretKey,
&dwNumLicenseInfo,
NULL );
if( LICENSE_STATUS_OK != Status )
{
goto done;
}
Status = LicenseMemoryAllocate(
sizeof( LICENSEDPRODUCT ) * dwNumLicenseInfo,
&pLicenseInfo );
if( LICENSE_STATUS_OK != Status )
{
goto done;
}
Status = LSVerifyDecodeClientLicense(
pValidationInfo->pLicense,
pValidationInfo->cbLicense,
pbSecretKey,
cbSecretKey,
&dwNumLicenseInfo,
pLicenseInfo );
}
__except( EXCEPTION_EXECUTE_HANDLER )
{
DWORD dwExceptionCode = GetExceptionCode();
Status = LICENSE_STATUS_CANNOT_DECODE_LICENSE;
}
if( LICENSE_STATUS_OK != Status )
{
#if DBG
DbgPrint( "LICEMGR: cannot decode license: 0x%x\n", Status );
#endif
goto done;
}
//
// now validate the license
//
Status = ValidateHydraLicense(
pLicenseContext,
pValidationInfo,
dwNumLicenseInfo,
pLicenseInfo,
pdwLicenseState );
if (fCheckForPermanent
&& LICENSE_STATUS_OK == Status
&& !pLicenseContext->pTsLicenseInfo->fTempLicense
&& pLicenseContext->ProductInfo.cbProductID >= sizeof(TERMSERV_FREE_TYPE))
{
int i;
TCHAR *pszT;
for (i = 0, pszT = (TCHAR *)(pLicenseContext->ProductInfo.pbProductID + pLicenseContext->ProductInfo.cbProductID - sizeof(TERMSERV_FREE_TYPE)); i < sizeof(TERMSERV_FREE_TYPE); i++)
{
if (TERMSERV_FREE_TYPE[i] != pszT[i])
{
fDifferent = TRUE;
break;
}
}
if (fDifferent)
ReceivedPermanentLicense();
}
done:
if( pbSecretKey )
{
LicenseMemoryFree( &pbSecretKey );
}
//
// Free the array of licensed product info
//
if( pLicenseInfo )
{
while( dwNumLicenseInfo-- )
{
LSFreeLicensedProduct( pLicenseInfo + dwNumLicenseInfo );
}
LicenseMemoryFree( &pLicenseInfo );
}
return( Status );
}
///////////////////////////////////////////////////////////////////////////////
LICENSE_STATUS
HandleClientLicense(
PHS_Protocol_Context pLicenseContext,
DWORD cbInBuf,
PBYTE pInBuf,
DWORD * pcbOutBuf,
PBYTE * ppOutBuf,
PBOOL pfExtendedError)
{
LICENSE_STATUS Status, UpgradeStatus;
Hydra_Client_License_Info LicenseInfo;
PBYTE pPreMasterSecret = NULL;
DWORD dwPreMasterSecretLen = 0;
HWID Hwid;
Validation_Info ValidationInfo;
License_Error_Message ErrorMsg;
DWORD dwLicenseState = 0;
BYTE MacData[LICENSE_MAC_DATA];
DWORD CertType;
ASSERT( NULL != pInBuf );
ASSERT( cbInBuf > 0 );
if( ( NULL == pInBuf ) || ( 0 >= cbInBuf ) )
{
return( LICENSE_STATUS_INVALID_INPUT );
}
//
// Unpack the client license info message
//
InitBinaryBlob( &LicenseInfo.EncryptedPreMasterSecret );
InitBinaryBlob( &LicenseInfo.LicenseInfo );
InitBinaryBlob( &LicenseInfo.EncryptedHWID );
Status = UnPackHydraClientLicenseInfo( pInBuf, cbInBuf, &LicenseInfo, pfExtendedError );
if( LICENSE_STATUS_CANNOT_DECODE_LICENSE == Status ||
LICENSE_STATUS_INVALID_LICENSE == Status )
{
goto license_bad;
}
if( LICENSE_STATUS_OK != Status )
{
goto construct_return_msg;
}
//
// Initialize the crypto context with the key exchange info and build the pre-master
// secret. We need the server and client random numbers and the pre-master secret
// to build the pre-master secret.
//
memcpy( pLicenseContext->CryptoContext.rgbClientRandom,
LicenseInfo.ClientRandom,
LICENSE_RANDOM );
pLicenseContext->CryptoContext.dwKeyExchAlg = LicenseInfo.dwPrefKeyExchangeAlg;
dwPreMasterSecretLen = LICENSE_PRE_MASTER_SECRET;
Status = GetEnvelopedData( pLicenseContext->CertTypeUsed,
LicenseInfo.EncryptedPreMasterSecret.pBlob,
( DWORD )LicenseInfo.EncryptedPreMasterSecret.wBlobLen,
&pPreMasterSecret,
&dwPreMasterSecretLen );
if( LICENSE_STATUS_OK != Status )
{
if (Status == LICENSE_STATUS_INVALID_INPUT)
{
Status = LICENSE_STATUS_INVALID_RESPONSE;
}
goto construct_return_msg;
}
//
// Set the pre-master secret and generate the master secret
//
Status = LicenseSetPreMasterSecret( &pLicenseContext->CryptoContext, pPreMasterSecret );
if( LICENSE_STATUS_OK != Status )
{
goto construct_return_msg;
}
Status = LicenseBuildMasterSecret( &pLicenseContext->CryptoContext );
if( LICENSE_STATUS_OK != Status )
{
goto construct_return_msg;
}
//
// Derive the session key from the key exchange info
//
Status = LicenseMakeSessionKeys( &pLicenseContext->CryptoContext, 0 );
if( LICENSE_STATUS_OK != Status )
{
goto construct_return_msg;
}
//
// Use the session key to decrypt the HWID
//
if( LicenseInfo.EncryptedHWID.wBlobLen > sizeof(Hwid) )
{
Status = LICENSE_STATUS_INVALID_MAC_DATA;
goto construct_return_msg;
}
memcpy( &Hwid,
LicenseInfo.EncryptedHWID.pBlob,
LicenseInfo.EncryptedHWID.wBlobLen );
Status = LicenseDecryptSessionData( &pLicenseContext->CryptoContext,
( PBYTE )&Hwid,
( DWORD )LicenseInfo.EncryptedHWID.wBlobLen );
if( LICENSE_STATUS_OK != Status )
{
goto construct_return_msg;
}
//
// Calculate the MAC on the HWID.
//
Status = LicenseGenerateMAC( &pLicenseContext->CryptoContext,
( PBYTE )&Hwid,
sizeof( HWID ),
MacData);
if( LICENSE_STATUS_OK != Status )
{
Status = LICENSE_STATUS_INVALID_MAC_DATA;
goto construct_return_msg;
}
//
// now verify the MAC data
//
if( 0 != memcmp( MacData, LicenseInfo.MACData, LICENSE_MAC_DATA ) )
{
Status = LICENSE_STATUS_INVALID_LICENSE;
goto license_bad;
}
//
// keep track of the client platform ID
//
pLicenseContext->dwClientPlatformID = LicenseInfo.dwPlatformID;
//
// call the license manager to validate the license.
// For now, we don't have to fill in the product info fields
//
ValidationInfo.pValidationData = ( PBYTE )&Hwid;
ValidationInfo.cbValidationData = LICENSE_HWID_LENGTH;
ValidationInfo.pProductInfo = &pLicenseContext->ProductInfo;
ValidationInfo.pLicense = LicenseInfo.LicenseInfo.pBlob;
ValidationInfo.cbLicense = ( DWORD )LicenseInfo.LicenseInfo.wBlobLen;
Status = ValidateLicense( pLicenseContext,
&ValidationInfo,
&dwLicenseState,
FALSE // fCheckForPermanent
);
license_bad:
//
// If the license cannot be decoded, then it is time to issue a new license
// for the client.
//
if( LICENSE_STATUS_CANNOT_DECODE_LICENSE == Status ||
LICENSE_STATUS_INVALID_LICENSE == Status )
{
LICENSE_STATUS StatusT = IssuePlatformChallenge( pLicenseContext, pcbOutBuf, ppOutBuf );
if( LICENSE_STATUS_OK != StatusT )
{
//
// cannot obtain a platform challenge for the client
//
#if DBG
DbgPrint( "LICPROT: cannot issue platform challenge: 0x%x\n", Status );
#endif
goto construct_return_msg;
}
pLicenseContext->State = ISSUED_PLATFORM_CHALLENGE;
Status = LICENSE_STATUS_CONTINUE;
goto done;
}
#ifdef UPGRADE_LICENSE
//
// check if the license needs to be upgraded.
//
if( ( LICENSE_STATUS_MUST_UPGRADE_LICENSE == Status ) ||
( LICENSE_STATUS_SHOULD_UPGRADE_LICENSE == Status ) )
{
//
// issue the platform challenge for upgrading a license
//
UpgradeStatus = IssuePlatformChallenge(
pLicenseContext,
pcbOutBuf,
ppOutBuf );
if( LICENSE_STATUS_OK == UpgradeStatus )
{
//
// keep track of the old license and continue with the licensing
// protocol. We will upgrade the old license when the client
// returns with the platform challenge.
//
if( pLicenseContext->pbOldLicense )
{
LicenseMemoryFree( &pLicenseContext->pbOldLicense );
}
pLicenseContext->pbOldLicense = LicenseInfo.LicenseInfo.pBlob;
pLicenseContext->cbOldLicense = LicenseInfo.LicenseInfo.wBlobLen;
pLicenseContext->State = ISSUED_PLATFORM_CHALLENGE;
Status = LICENSE_STATUS_CONTINUE;
goto done;
}
else if( LICENSE_STATUS_SHOULD_UPGRADE_LICENSE == Status )
{
//
// Let the client go through if we cannot issue a platform
// challenge to upgrade a valid license now.
//
Status = LICENSE_STATUS_OK;
goto construct_return_msg;
}
else
{
// LICENSE_STATUS_MUST_UPGRADE_LICENSE: send back the real error
Status = UpgradeStatus;
}
//
// cannot issue platform challenge to upgrade a license that is
// not good any more.
//
#if DBG
DbgPrint( "LICPROT: cannot issue platform challenge to upgrade license: 0x%x\n", Status );
#endif
}
#else
//
// we are ignoring license upgrade
//
if( LICENSE_STATUS_SHOULD_UPGRADE_LICENSE == Status )
{
//
// change the status to OK
//
Status = LICENSE_STATUS_OK;
}
#endif
//
// now construct the message to return to the client, based on the current
// status code
//
construct_return_msg:
if( LICENSE_STATUS_OK != Status )
{
//
// The current status states that the client could not be validated
// due to some error
//
#if DBG
DbgPrint( "HandleClientLicense: constructing error message: 0x%x\n", Status );
#endif
//
// handle the error condition and update our state
//
HandleErrorCondition( pLicenseContext, pcbOutBuf, ppOutBuf, &Status );
pLicenseContext->State = VALIDATION_ERROR;
if( (LICENSE_STATUS_INVALID_RESPONSE == Status)
|| (LICENSE_STATUS_INVALID_MAC_DATA == Status)
|| (LICENSE_STATUS_CANNOT_DECODE_LICENSE == Status)
|| (LICENSE_STATUS_INVALID_LICENSE == Status) )
{
WORD wLogString = 0;
LPTSTR ptszLogString[1] = { NULL };
//
// Log the failure
//
if( pLicenseContext->ptszClientMachineName )
{
wLogString = 1;
ptszLogString[0] = pLicenseContext->ptszClientMachineName;
}
LicenseLogEvent( EVENTLOG_INFORMATION_TYPE,
EVENT_INVALID_LICENSE,
wLogString, ptszLogString );
pLicenseContext->fLoggedProtocolError = TRUE;
}
else if ((NULL != pLicenseContext->pTsLicenseInfo)
&& (!pLicenseContext->fLoggedProtocolError))
{
LPTSTR ptszLogString[1] = { NULL };
if( pLicenseContext->ptszClientMachineName )
{
ptszLogString[0] = pLicenseContext->ptszClientMachineName;
}
// Couldn't renew/upgrade license
pLicenseContext->fLoggedProtocolError = TRUE;
if(IsLicensingTimeBombExpired())
{
if (pLicenseContext->pTsLicenseInfo->fTempLicense)
{
// The expired temporary license could not be upgraded
LicenseLogEvent(
EVENTLOG_INFORMATION_TYPE,
EVENT_EXPIRED_TEMPORARY_LICENSE,
1,
ptszLogString
);
}
else
{
// The expired permanent license could not be renewed
LicenseLogEvent(
EVENTLOG_INFORMATION_TYPE,
EVENT_EXPIRED_PERMANENT_LICENSE,
1,
ptszLogString
);
}
}
}
goto done;
}
//
// The license has been validated successfully, generate the message to
// return to the client
//
Status = ConstructServerResponse( pLicenseContext->dwProtocolVersion,
LICENSE_RESPONSE_VALID_CLIENT,
TS_ERRINFO_NOERROR,
pcbOutBuf,
ppOutBuf,
*pfExtendedError);
if( LICENSE_STATUS_OK != Status )
{
#if DBG
DbgPrint( "HandleClientLicense: cannot pack error message: 0x%x\n", Status );
#endif
pLicenseContext->State = ABORTED;
Status = LICENSE_STATUS_SERVER_ABORT;
}
else
{
pLicenseContext->State = VALIDATED_LICENSE_COMPLETE;
}
done:
//
// free the memory used in the license info structure
//
FreeBinaryBlob( &LicenseInfo.EncryptedPreMasterSecret );
FreeBinaryBlob( &LicenseInfo.EncryptedHWID );
if( pLicenseContext->pbOldLicense != LicenseInfo.LicenseInfo.pBlob )
{
FreeBinaryBlob( &LicenseInfo.LicenseInfo );
}
if( pPreMasterSecret )
{
LicenseMemoryFree( &pPreMasterSecret );
}
return( Status);
}
///////////////////////////////////////////////////////////////////////////////
LICENSE_STATUS
HandleNewLicenseRequest(
PHS_Protocol_Context pLicenseContext,
DWORD cbInBuf,
PBYTE pInBuf,
DWORD * pcbOutBuf,
PBYTE * ppOutBuf,
PBOOL pfExtendedError)
{
LICENSE_STATUS Status;
Hydra_Client_New_License_Request NewLicenseRequest;
PBYTE pPreMasterSecret = NULL;
DWORD dwPreMasterSecretLen = 0;
DWORD dwChallengeLen = 0;
DWORD CertType;
ASSERT( NULL != pInBuf );
ASSERT( cbInBuf > 0 );
if( ( NULL == pInBuf ) || ( 0 >= cbInBuf ) )
{
return( LICENSE_STATUS_INVALID_INPUT );
}
InitBinaryBlob( &NewLicenseRequest.EncryptedPreMasterSecret );
//
// Unpack the new license request
//
Status = UnPackHydraClientNewLicenseRequest( pInBuf, cbInBuf, &NewLicenseRequest, pfExtendedError );
if( LICENSE_STATUS_OK != Status )
{
#if DBG
DbgPrint( "LICPROT: HandleNewLicenseRequest: cannot unpack client request: 0x%x\n", Status );
#endif
return( Status );
}
//
// save the client user and machine name
//
#ifdef UNICODE
//
// convert the client's user and machine name to unicode
//
if( ( NewLicenseRequest.ClientUserName.pBlob ) &&
( NULL == pLicenseContext->ptszClientUserName ) )
{
Status = Ascii2Wchar( NewLicenseRequest.ClientUserName.pBlob,
&pLicenseContext->ptszClientUserName );
if( LICENSE_STATUS_OK != Status )
{
#if DBG
DbgPrint( "LICPROT: HandleNewLicenseRequest: cannot convert client user name: %s to wide char: 0x%x\n",
NewLicenseRequest.ClientUserName.pBlob, Status );
#endif
}
}
if( ( NewLicenseRequest.ClientMachineName.pBlob ) &&
( NULL == pLicenseContext->ptszClientMachineName ) )
{
Status = Ascii2Wchar( NewLicenseRequest.ClientMachineName.pBlob,
&pLicenseContext->ptszClientMachineName );
if( LICENSE_STATUS_OK != Status )
{
#if DBG
DbgPrint( "LICPROT: HandleNewLicenseRequest: cannot convert client machine name %s to wide char: 0x%x\n",
NewLicenseRequest.ClientMachineName.pBlob, Status );
#endif
}
}
#else // non-UNICODE
//
// save the client's user and machine name
//
if( ( NewLicenseRequest.ClientUserName.pBlob ) &&
( NULL == pLicenseContext->ptszClientUserName ) )
{
Status = LicenseMemoryAllocate(
NewLicenseRequest.ClientUserName.wBlobLen,
&pLicenseContext->ptszClientUserName );
if( LICENSE_STATUS_OK != Status )
{
#if DBG
DbgPrint( "LICPROT: HandleNewLicenseRequest: cannot allocate memory for client's user name: 0x%x\n",
Status );
#endif
}
else
{
memcpy( pLicenseContext->ptszClientUserName,
NewLicenseRequest.ClientUserName.pBlob,
NewLicenseRequest.ClientUserName.wBlobLen );
}
}
if( ( NewLicenseRequest.ClientMachineName.pBlob ) &&
( NULL == pLicenseContext->ptszClientMachineName ) )
{
Status = LicenseMemoryAllocate(
NewLicenseRequest.ClientMachineName.wBlobLen,
&pLicenseContext->ptszClientMachineName );
if( LICENSE_STATUS_OK != Status )
{
#if DBG
DbgPrint( "LICPROT: HandleNewLicenseRequest: cannot allocate memory for client's machine name: 0x%x\n",
Status );
#endif
}
else
{
memcpy( pLicenseContext->ptszClientMachineName,
NewLicenseRequest.ClientMachineName.pBlob,
NewLicenseRequest.ClientMachineName.wBlobLen );
}
}
#endif // UNICODE
//
// Initialize the crypto context with the key exchange info and build the pre-master
// secret. We need the server and client random numbers and the pre-master secret
// to build the pre-master secret.
//
memcpy( pLicenseContext->CryptoContext.rgbClientRandom,
NewLicenseRequest.ClientRandom,
LICENSE_RANDOM );
pLicenseContext->CryptoContext.dwKeyExchAlg = NewLicenseRequest.dwPrefKeyExchangeAlg;
//
// Get the pre-master secret from the enveloped data
//
Status = GetEnvelopedData( pLicenseContext->CertTypeUsed,
NewLicenseRequest.EncryptedPreMasterSecret.pBlob,
( DWORD )NewLicenseRequest.EncryptedPreMasterSecret.wBlobLen,
&pPreMasterSecret,
&dwPreMasterSecretLen );
if( LICENSE_STATUS_OK != Status )
{
#if DBG
DbgPrint( "LICPROT: HandleNewLicenseRequest: cannot get enveloped data: 0x%x", Status );
#endif
goto done;
}
//
// set the premaster secret and generate the master secret
//
Status = LicenseSetPreMasterSecret( &pLicenseContext->CryptoContext, pPreMasterSecret );
if( LICENSE_STATUS_OK != Status )
{
goto done;
}
Status = LicenseBuildMasterSecret( &pLicenseContext->CryptoContext );
if( LICENSE_STATUS_OK != Status )
{
goto done;
}
//
// Derive the session key from the key exchange info
//
Status = LicenseMakeSessionKeys( &pLicenseContext->CryptoContext, 0 );
if( LICENSE_STATUS_OK != Status )
{
goto done;
}
//
// record the client platform ID and issue the platform challenge
//
pLicenseContext->dwClientPlatformID = NewLicenseRequest.dwPlatformID;
Status = IssuePlatformChallenge( pLicenseContext, pcbOutBuf, ppOutBuf );
if( LICENSE_STATUS_OK != Status )
{
goto done;
}
//
// update our state
//
pLicenseContext->State = ISSUED_PLATFORM_CHALLENGE;
Status = LICENSE_STATUS_CONTINUE;
done:
FreeBinaryBlob( &NewLicenseRequest.EncryptedPreMasterSecret );
FreeBinaryBlob( &NewLicenseRequest.ClientUserName );
FreeBinaryBlob( &NewLicenseRequest.ClientMachineName );
if( pPreMasterSecret )
{
LicenseMemoryFree( &pPreMasterSecret );
}
return( Status );
}
///////////////////////////////////////////////////////////////////////////////
LICENSE_STATUS
HandleClientError(
PHS_Protocol_Context pLicenseContext,
DWORD cbInBuf,
PBYTE pInBuf,
DWORD * pcbOutBuf,
PBYTE * ppOutBuf,
PBOOL pfExtendedError )
{
LICENSE_STATUS Status;
License_Error_Message ClientError;
ASSERT( NULL != pInBuf );
ASSERT( cbInBuf > 0 );
ASSERT( NULL != pfExtendedError);
if( ( NULL == pInBuf ) || ( 0 >= cbInBuf ) )
{
return( LICENSE_STATUS_INVALID_INPUT );
}
InitBinaryBlob( &ClientError.bbErrorInfo );
//
// unpack the client error
//
Status = UnPackHydraClientErrorMessage( pInBuf, cbInBuf, &ClientError, pfExtendedError );
if( LICENSE_STATUS_OK != Status )
{
return( Status );
}
//
// Process the client error code, the possible errors are:
// (1) Error processing the hydra server certificate
// (2) Client has no license and does not want one
//
// For now, just record the client error and abort the operation
//
pLicenseContext->dwClientError = ClientError.dwErrorCode;
pLicenseContext->State = ABORTED;
FreeBinaryBlob( &ClientError.bbErrorInfo );
return( LICENSE_STATUS_CLIENT_ABORT );
}
LICENSE_STATUS
AuthWithLicenseServer(
PHS_Protocol_Context pLicenseContext )
{
LICENSE_STATUS Status = LICENSE_STATUS_OK;
LPBYTE lpCert = NULL;
DWORD dwResult, RpcStatus;
DWORD dwSize;
if (pLicenseContext->hLSHandle == NULL)
{
return LICENSE_STATUS_INVALID_SERVER_CONTEXT;
}
Status = TLSGetTSCertificate(CERT_TYPE_X509, &lpCert, &dwSize);
if (Status != LICENSE_STATUS_OK)
{
Status = TLSGetTSCertificate(CERT_TYPE_PROPRIETORY, &lpCert, &dwSize);
}
if (Status != LICENSE_STATUS_OK)
{
goto done;
}
RpcStatus = TLSSendServerCertificate(
pLicenseContext->hLSHandle,
dwSize,
lpCert,
&dwResult
);
if( ( RPC_S_OK != RpcStatus ) || ( LSERVER_S_SUCCESS != dwResult ) )
{
Status = LICENSE_STATUS_AUTHENTICATION_ERROR;
goto done;
}
done:
if (lpCert)
TLSFreeTSCertificate(lpCert);
return Status;
}
///////////////////////////////////////////////////////////////////////////////
LICENSE_STATUS
CheckConnectLicenseServer(
PHS_Protocol_Context pLicenseContext )
{
LICENSE_STATUS Status = LICENSE_STATUS_NO_LICENSE_SERVER;
if (pLicenseContext->hLSHandle != NULL)
return LICENSE_STATUS_OK;
pLicenseContext->hLSHandle = TLSConnectToAnyLsServer(LS_DISCOVERY_TIMEOUT);
if (NULL != pLicenseContext->hLSHandle)
{
Status = AuthWithLicenseServer(pLicenseContext);
if (Status == LICENSE_STATUS_OK)
{
goto done;
}
else if(Status == LICENSE_STATUS_AUTHENTICATION_ERROR)
{
BOOL fInDomain;
LPWSTR szLSName = NULL;
DWORD dwErr;
dwErr = TLSInDomain(&fInDomain, NULL);
if( (ERROR_SUCCESS == dwErr) && (fInDomain == TRUE))
{
DWORD dwErrCode = ERROR_SUCCESS;
dwErr = TLSGetServerNameFixed(pLicenseContext->hLSHandle,&szLSName,&dwErrCode);
if(dwErr == RPC_S_OK && dwErrCode == ERROR_SUCCESS && NULL != szLSName)
{
LicenseLogEvent( EVENTLOG_WARNING_TYPE,
EVENT_LICENSE_SERVER_AUTHENTICATION_FAILED,
1, &szLSName );
}
if(NULL != szLSName)
{
MIDL_user_free(szLSName);
}
}
}
}
else
{
BOOL fInDomain;
LPWSTR szDomain = NULL;
DWORD dwErr;
dwErr = TLSInDomain(&fInDomain,&szDomain);
if ((ERROR_SUCCESS == dwErr) && (NULL != szDomain))
{
ThrottleLicenseLogEvent(
EVENTLOG_WARNING_TYPE,
fInDomain
? EVENT_NO_LICENSE_SERVER_DOMAIN
: EVENT_NO_LICENSE_SERVER_WORKGROUP,
1,
&szDomain );
}
else
{
ThrottleLicenseLogEvent(
EVENTLOG_WARNING_TYPE,
EVENT_NO_LICENSE_SERVER,
0,
NULL );
}
if (NULL != szDomain)
{
NetApiBufferFree(szDomain);
}
}
// error case
if (NULL != pLicenseContext->hLSHandle)
{
TLSDisconnectFromServer(pLicenseContext->hLSHandle);
pLicenseContext->hLSHandle = NULL;
}
done:
return Status;
}
///////////////////////////////////////////////////////////////////////////////
LICENSE_STATUS
CheckConnectNamedLicenseServer(
PHS_Protocol_Context pLicenseContext,
TCHAR *tszComputerName)
{
LICENSE_STATUS Status = LICENSE_STATUS_OK;
if (pLicenseContext->hLSHandle != NULL)
return LICENSE_STATUS_OK;
pLicenseContext->hLSHandle = TLSConnectToLsServer(tszComputerName);
if (NULL == pLicenseContext->hLSHandle)
{
Status = LICENSE_STATUS_NO_LICENSE_SERVER;
goto done;
}
Status = AuthWithLicenseServer(pLicenseContext);
if (Status != LICENSE_STATUS_OK)
{
TLSDisconnectFromServer(pLicenseContext->hLSHandle);
pLicenseContext->hLSHandle = NULL;
}
done:
return Status;
}
///////////////////////////////////////////////////////////////////////////////
LICENSE_STATUS
CheckUpgradeLicense(
PHS_Protocol_Context pLicenseContext,
PDWORD pSupportFlags,
PLicense_Request pLicenseRequest,
DWORD cbChallengeResponse,
PBYTE pbChallengeResponse,
PHWID pHwid,
PDWORD pcbOutBuf,
PBYTE * ppOutBuf )
{
LICENSE_STATUS
Status = LICENSE_STATUS_OK;
DWORD
cbLicense = 0;
PBYTE
pbLicense = NULL;
Validation_Info
ValidationInfo;
DWORD
dwLicenseState = 0;
DWORD
RpcStatus, LsStatus;
BOOL
fRetried = FALSE;
reconnect:
Status = CheckConnectLicenseServer(pLicenseContext);
if( LICENSE_STATUS_OK != Status )
{
goto validate_old_one;
}
RpcStatus = TLSUpgradeLicenseEx(pLicenseContext->hLSHandle,
pSupportFlags,
pLicenseRequest,
0, // ChallengeContext unused
cbChallengeResponse,
pbChallengeResponse,
pLicenseContext->cbOldLicense,
pLicenseContext->pbOldLicense,
1, // dwQuantity
&cbLicense,
&pbLicense,
&LsStatus
);
if ( RPC_S_OK != RpcStatus )
{
if (!fRetried)
{
fRetried = TRUE;
pLicenseContext->hLSHandle = NULL;
goto reconnect;
}
else
{
Status = LICENSE_STATUS_NO_LICENSE_SERVER;
}
}
else if ( LSERVER_ERROR_BASE <= LsStatus )
{
Status = LsStatusToLicenseStatus(LsStatus,
LICENSE_STATUS_CANNOT_UPGRADE_LICENSE);
}
validate_old_one:
ValidationInfo.pValidationData = ( PBYTE )pHwid;
ValidationInfo.cbValidationData = LICENSE_HWID_LENGTH;
ValidationInfo.pProductInfo = &pLicenseContext->ProductInfo;
//
// if we cannot upgrade the license, check if the current license is
// still good. If it is, return it to the client.
//
if( LICENSE_STATUS_OK != Status )
{
LICENSE_STATUS
LicenseStatus;
ValidationInfo.pLicense = pLicenseContext->pbOldLicense;
ValidationInfo.cbLicense = pLicenseContext->cbOldLicense;
LicenseStatus = ValidateLicense(
pLicenseContext,
&ValidationInfo,
&dwLicenseState,
FALSE // fCheckForPermanent
);
if( ( LICENSE_STATUS_OK == LicenseStatus ) ||
( LICENSE_STATUS_SHOULD_UPGRADE_LICENSE == LicenseStatus ) )
{
//
// Store the raw license bits for later use. Ignore failure;
// that only means that if this is a license that should be
// marked, termsrv won't be able to.
//
CacheRawLicenseData(pLicenseContext,
pLicenseContext->pbOldLicense,
pLicenseContext->cbOldLicense);
//
// The current license is still OK, send it back to the client.
//
Status = PackageLicense(
pLicenseContext,
pLicenseContext->cbOldLicense,
pLicenseContext->pbOldLicense,
pcbOutBuf,
ppOutBuf,
FALSE );
}
else
{
//
// The current license is not good any more
//
#if DBG
DbgPrint( "UpgradeLicense: cannot upgrade license 0x%x\n", Status );
#endif
}
goto done;
}
//
// the license upgrade was successful. Now validate the new license so
// that the new license info will be cached.
//
ValidationInfo.pLicense = pbLicense;
ValidationInfo.cbLicense = cbLicense;
ValidateLicense(
pLicenseContext,
&ValidationInfo,
&dwLicenseState,
TRUE // fCheckForPermanent
);
//
// Store the raw license bits for later use. Ignore failure; that only
// means that if this is a license that should be marked, termsrv won't be
// able to.
//
CacheRawLicenseData(pLicenseContext,
pbLicense,
cbLicense);
//
// pack up the upgraded license
//
Status = PackageLicense( pLicenseContext,
cbLicense,
pbLicense,
pcbOutBuf,
ppOutBuf,
FALSE );
done:
if( pbLicense )
{
LicenseMemoryFree( &pbLicense );
}
return( Status );
}
///////////////////////////////////////////////////////////////////////////////
LICENSE_STATUS
HandlePlatformChallengeResponse(
PHS_Protocol_Context pLicenseContext,
DWORD cbInBuf,
PBYTE pInBuf,
DWORD * pcbOutBuf,
PBYTE * ppOutBuf,
PBOOL pfExtendedError)
{
LICENSE_STATUS Status;
Hydra_Client_Platform_Challenge_Response PlatformChallengeResponse;
BYTE ChallengeResponse[PLATFORM_CHALLENGE_LENGTH];
PBYTE pLicense = NULL;
DWORD cbLicenseSize = 0;
License_Request LicenseRequest;
HS_LICENSE_STATE HsState = ABORTED;
License_Requester_Info RequesterInfo;
BYTE bEncryptedHwid[ sizeof( HWID ) ];
PBYTE pbSecretKey = NULL;
DWORD cbMacData = 0, cbSecretKey = 0, cbEncryptedHwid = sizeof( HWID );
BYTE MacData[ sizeof( HWID ) + PLATFORM_CHALLENGE_LENGTH ];
BYTE ComputedMac[LICENSE_MAC_DATA];
HWID Hwid;
DWORD RpcStatus,LsStatus;
TCHAR tszComputerName[MAX_COMPUTERNAME_LENGTH + 1];
TCHAR tszUserName[UNLEN + 1];
DWORD dwComputerName = MAX_COMPUTERNAME_LENGTH + 1;
DWORD dwUserName = UNLEN + 1;
DWORD dwSupportFlags = ALL_KNOWN_SUPPORT_FLAGS;
BOOL fRetried = FALSE;
ASSERT( NULL != pInBuf );
ASSERT( cbInBuf > 0 );
if( ( NULL == pInBuf ) || ( 0 >= cbInBuf ) )
{
return( LICENSE_STATUS_INVALID_INPUT );
}
//
// unpack the platform challenge response
//
InitBinaryBlob( &PlatformChallengeResponse.EncryptedChallengeResponse );
InitBinaryBlob( &PlatformChallengeResponse.EncryptedHWID );
Status = UnPackHydraClientPlatformChallengeResponse( pInBuf, cbInBuf, &PlatformChallengeResponse, pfExtendedError );
if( LICENSE_STATUS_OK != Status )
{
goto done;
}
//
// decrypt the encrypted challenge response and HWID
//
ASSERT(PlatformChallengeResponse.EncryptedChallengeResponse.wBlobLen
<= PLATFORM_CHALLENGE_LENGTH);
if(PlatformChallengeResponse.EncryptedChallengeResponse.wBlobLen > PLATFORM_CHALLENGE_LENGTH)
{
Status = LICENSE_STATUS_INVALID_INPUT;
goto done;
}
memcpy( ChallengeResponse,
PlatformChallengeResponse.EncryptedChallengeResponse.pBlob,
PlatformChallengeResponse.EncryptedChallengeResponse.wBlobLen );
Status = LicenseDecryptSessionData( &pLicenseContext->CryptoContext,
ChallengeResponse,
( DWORD )PlatformChallengeResponse.EncryptedChallengeResponse.wBlobLen );
if( LICENSE_STATUS_OK != Status )
{
goto done;
}
//
// decrypt the client's HWID
//
if( PlatformChallengeResponse.EncryptedHWID.wBlobLen > sizeof(Hwid) )
{
Status = LICENSE_STATUS_INVALID_MAC_DATA;
goto done;
}
memcpy( &Hwid,
PlatformChallengeResponse.EncryptedHWID.pBlob,
PlatformChallengeResponse.EncryptedHWID.wBlobLen );
Status = LicenseDecryptSessionData( &pLicenseContext->CryptoContext,
( PBYTE )&Hwid,
( DWORD )PlatformChallengeResponse.EncryptedHWID.wBlobLen );
if( LICENSE_STATUS_OK != Status )
{
goto done;
}
//
// Verify the MAC data on the decrypted challenge response and the HWID
//
cbMacData += ( DWORD )PlatformChallengeResponse.EncryptedChallengeResponse.wBlobLen;
memcpy( MacData,
ChallengeResponse,
( DWORD )PlatformChallengeResponse.EncryptedChallengeResponse.wBlobLen );
cbMacData += ( DWORD )PlatformChallengeResponse.EncryptedHWID.wBlobLen;
memcpy( MacData + ( DWORD )PlatformChallengeResponse.EncryptedChallengeResponse.wBlobLen,
&Hwid,
( DWORD )PlatformChallengeResponse.EncryptedHWID.wBlobLen );
Status = LicenseGenerateMAC( &pLicenseContext->CryptoContext,
MacData,
cbMacData,
ComputedMac );
if( LICENSE_STATUS_OK != Status )
{
Status = LICENSE_STATUS_INVALID_MAC_DATA;
goto done;
}
if( 0 != memcmp( ComputedMac,
PlatformChallengeResponse.MACData,
LICENSE_MAC_DATA ) )
{
Status = LICENSE_STATUS_INVALID_MAC_DATA;
goto done;
}
//
// now get the license server's secret key and encrypt the HWID before transmitting it.
//
LicenseGetSecretKey( &cbSecretKey, NULL );
Status = LicenseMemoryAllocate( cbSecretKey, &pbSecretKey );
if( LICENSE_STATUS_OK != Status )
{
goto done;
}
Status = LicenseGetSecretKey( &cbSecretKey, pbSecretKey );
if( LICENSE_STATUS_OK != Status )
{
goto done;
}
Status = LicenseEncryptHwid( &Hwid, &cbEncryptedHwid, bEncryptedHwid,
cbSecretKey, pbSecretKey );
if( LICENSE_STATUS_OK != Status )
{
goto done;
}
LicenseRequest.cbEncryptedHwid = cbEncryptedHwid;
LicenseRequest.pbEncryptedHwid = bEncryptedHwid;
//
// send the platform challenge response to the license manager and wait for it
// to issue a new license.
//
LicenseRequest.pProductInfo = &pLicenseContext->ProductInfo;
LicenseRequest.dwPlatformID = pLicenseContext->dwClientPlatformID;
LicenseRequest.dwLanguageID = GetSystemDefaultLCID();
//
// if we don't have the client's user and machine name, get it now.
//
if( NULL == pLicenseContext->ptszClientMachineName )
{
//
// if we don't have the client machine name, just use the
// hydra server machine name
//
if( !GetComputerName( tszComputerName, &dwComputerName ) )
{
#if DBG
DbgPrint( "HandlePlatformChallengeResponse: cannot get computer name: 0x%x\n", GetLastError() );
#endif
memset( tszComputerName, 0, ( MAX_COMPUTERNAME_LENGTH + 1 ) * sizeof( TCHAR ) );
}
RequesterInfo.ptszMachineName = tszComputerName;
}
else
{
RequesterInfo.ptszMachineName = pLicenseContext->ptszClientMachineName;
}
if( NULL == pLicenseContext->ptszClientUserName )
{
//
// if we don't have the client's user name, just use the
// hydra server logged on user name.
//
if( !GetUserName( tszUserName, &dwUserName ) )
{
#if DBG
DbgPrint( "HandlePlatformChallengeResponse: cannot get user name: 0x%x\n", GetLastError() );
#endif
memset( tszUserName, 0, ( UNLEN + 1 ) * sizeof( TCHAR ) );
}
RequesterInfo.ptszUserName = tszUserName;
}
else
{
RequesterInfo.ptszUserName = pLicenseContext->ptszClientUserName;
}
if( pLicenseContext->pbOldLicense )
{
//
// attempt to upgrade an old license
//
Status = CheckUpgradeLicense(
pLicenseContext,
&dwSupportFlags,
&LicenseRequest,
( DWORD )PlatformChallengeResponse.EncryptedChallengeResponse.wBlobLen,
ChallengeResponse,
&Hwid,
pcbOutBuf,
ppOutBuf );
if (LICENSE_STATUS_OK != Status)
{
if (NULL != pLicenseContext->pTsLicenseInfo)
{
pLicenseContext->fLoggedProtocolError = TRUE;
if(IsLicensingTimeBombExpired())
{
if (pLicenseContext->pTsLicenseInfo->fTempLicense)
{
// The expired temporary license could not be upgraded
LicenseLogEvent(
EVENTLOG_INFORMATION_TYPE,
EVENT_EXPIRED_TEMPORARY_LICENSE,
1,
&(RequesterInfo.ptszMachineName)
);
}
else
{
// The expired permanent license could not be renewed
LicenseLogEvent(
EVENTLOG_INFORMATION_TYPE,
EVENT_EXPIRED_PERMANENT_LICENSE,
1,
&(RequesterInfo.ptszMachineName)
);
}
}
}
}
if( LICENSE_STATUS_OK != Status )
{
goto done;
}
}
else
{
reconnect:
Status = CheckConnectLicenseServer(pLicenseContext);
if( LICENSE_STATUS_OK != Status )
{
goto done;
}
RpcStatus = TLSIssueNewLicenseEx(
pLicenseContext->hLSHandle,
&dwSupportFlags,
0, // ChallengeContext unused
&LicenseRequest,
RequesterInfo.ptszMachineName,
RequesterInfo.ptszUserName,
( DWORD )PlatformChallengeResponse.EncryptedChallengeResponse.wBlobLen,
ChallengeResponse,
TRUE,
1, // dwQuantity
&cbLicenseSize,
&pLicense,
&LsStatus );
if ( RPC_S_OK != RpcStatus )
{
if (!fRetried)
{
fRetried = TRUE;
pLicenseContext->hLSHandle = NULL;
goto reconnect;
}
else
{
Status = LICENSE_STATUS_NO_LICENSE_SERVER;
}
}
else if ( LSERVER_ERROR_BASE <= LsStatus )
{
Status = LsStatusToLicenseStatus(LsStatus,
LICENSE_STATUS_NO_LICENSE_ERROR);
}
else
{
DWORD dwLicenseState;
Validation_Info ValidationInfo;
//
// Validate the license for the sole purpose of caching the
// information.
//
ValidationInfo.pValidationData = ( PBYTE )&Hwid;
ValidationInfo.cbValidationData = LICENSE_HWID_LENGTH;
ValidationInfo.pProductInfo = &pLicenseContext->ProductInfo;
ValidationInfo.pLicense = pLicense;
ValidationInfo.cbLicense = cbLicenseSize;
ValidateLicense(pLicenseContext,
&ValidationInfo,
&dwLicenseState,
TRUE // fCheckForPermanent
);
//
// Store the raw license bits for later use. Ignore failure;
// that only means that if this is a license that should be
// marked, termsrv won't be able to.
//
CacheRawLicenseData(pLicenseContext, pLicense, cbLicenseSize);
//
// package up the new license
//
Status = PackageLicense( pLicenseContext,
cbLicenseSize,
pLicense,
pcbOutBuf,
ppOutBuf,
TRUE );
}
}
SetExtendedData(pLicenseContext, dwSupportFlags);
if( LICENSE_STATUS_OK != Status )
{
goto done;
}
//
// done with the protocol
//
HsState = ISSUED_LICENSE_COMPLETE;
Status = LICENSE_STATUS_ISSUED_LICENSE;
done:
//
// log all issue license failures
//
if( (LICENSE_STATUS_ISSUED_LICENSE != Status)
&& (pLicenseContext != NULL)
&& (!pLicenseContext->fLoggedProtocolError) )
{
pLicenseContext->fLoggedProtocolError = TRUE;
LicenseLogEvent( EVENTLOG_INFORMATION_TYPE,
EVENT_CANNOT_ISSUE_LICENSE,
0, NULL );
}
if( pLicense )
{
LicenseMemoryFree( &pLicense );
}
if( pbSecretKey )
{
LicenseMemoryFree( &pbSecretKey );
}
if( pLicenseContext->pbOldLicense )
{
//
// free the old license
//
LicenseMemoryFree( &pLicenseContext->pbOldLicense );
pLicenseContext->cbOldLicense = 0;
}
FreeBinaryBlob( &PlatformChallengeResponse.EncryptedChallengeResponse );
FreeBinaryBlob( &PlatformChallengeResponse.EncryptedHWID );
pLicenseContext->State = HsState;
return( Status );
}
///////////////////////////////////////////////////////////////////////////////
LICENSE_STATUS
IssuePlatformChallenge(
PHS_Protocol_Context pLicenseContext,
PDWORD pcbOutBuf,
PBYTE * ppOutBuf )
{
Hydra_Server_Platform_Challenge
PlatformChallenge;
LICENSE_STATUS
Status = LICENSE_STATUS_OK;
CHALLENGE_CONTEXT
ChallengeContext;
//
// generate the platform challenge
//
ASSERT( pLicenseContext );
//
// Form the platform challenge message
//
PlatformChallenge.EncryptedPlatformChallenge.wBlobLen = ( WORD )sizeof(HARDCODED_CHALLENGE_DATA);
Status = LicenseMemoryAllocate(sizeof(HARDCODED_CHALLENGE_DATA), &(PlatformChallenge.EncryptedPlatformChallenge.pBlob));
if (LICENSE_STATUS_OK != Status)
{
#if DBG
DbgPrint( "LICPROT: cannot generate MAC data for challenge platform: 0x%x\n", Status );
#endif
goto done;
}
memcpy(PlatformChallenge.EncryptedPlatformChallenge.pBlob, HARDCODED_CHALLENGE_DATA, sizeof(HARDCODED_CHALLENGE_DATA));
//
// calculate the MAC for the unencrypted platform challenge
//
Status = LicenseGenerateMAC( &pLicenseContext->CryptoContext,
PlatformChallenge.EncryptedPlatformChallenge.pBlob,
( DWORD )PlatformChallenge.EncryptedPlatformChallenge.wBlobLen,
PlatformChallenge.MACData );
if( LICENSE_STATUS_OK != Status )
{
#if DBG
DbgPrint( "LICPROT: cannot generate MAC data for challenge platform: 0x%x\n", Status );
#endif
goto done;
}
//
// encrypt the platform challenge
//
Status = LicenseEncryptSessionData( &pLicenseContext->CryptoContext,
PlatformChallenge.EncryptedPlatformChallenge.pBlob,
PlatformChallenge.EncryptedPlatformChallenge.wBlobLen );
if( LICENSE_STATUS_OK != Status )
{
#if DBG
DbgPrint( "LICPROT: cannot encrypt platform challenge data: 0x%x\n", Status );
#endif
goto done;
}
//
// pack the platform challenge
//
Status = PackHydraServerPlatformChallenge(
pLicenseContext->dwProtocolVersion,
&PlatformChallenge,
ppOutBuf,
pcbOutBuf );
if( LICENSE_STATUS_OK != Status )
{
#if DBG
DbgPrint( "LICPROT: cannot pack platform challenge data: 0x%x\n", Status );
#endif
goto done;
}
done:
if (NULL != PlatformChallenge.EncryptedPlatformChallenge.pBlob)
{
LicenseMemoryFree(&PlatformChallenge.EncryptedPlatformChallenge.pBlob);
}
return( Status );
}
///////////////////////////////////////////////////////////////////////////////
LICENSE_STATUS
PackageLicense(
PHS_Protocol_Context pLicenseContext,
DWORD cbLicense,
PBYTE pLicense,
PDWORD pcbOutBuf,
PBYTE * ppOutBuf,
BOOL fNewLicense )
{
LICENSE_STATUS Status;
New_License_Info NewLicenseInfo;
Hydra_Server_New_License NewLicense;
DWORD cbEncryptedLicenseInfo = 0;
if( ( 0 == cbLicense ) || ( NULL == pLicense ) )
{
return( LICENSE_STATUS_INVALID_INPUT );
}
//
// Initialize the new license information
//
NewLicenseInfo.dwVersion = pLicenseContext->ProductInfo.dwVersion;
NewLicenseInfo.cbScope = strlen( pLicenseContext->Scope ) + 1;
NewLicenseInfo.pbScope = pLicenseContext->Scope;
NewLicenseInfo.cbCompanyName = pLicenseContext->ProductInfo.cbCompanyName;
NewLicenseInfo.pbCompanyName = pLicenseContext->ProductInfo.pbCompanyName;
NewLicenseInfo.cbProductID = pLicenseContext->ProductInfo.cbProductID;
NewLicenseInfo.pbProductID = pLicenseContext->ProductInfo.pbProductID;
NewLicenseInfo.cbLicenseInfo = cbLicense;
NewLicenseInfo.pbLicenseInfo = pLicense;
//
// initialize the blob that will contain the encrypted new license
// information
//
NewLicense.EncryptedNewLicenseInfo.wBlobLen = 0;
NewLicense.EncryptedNewLicenseInfo.pBlob = NULL;
//
// pack the new license information
//
Status = PackNewLicenseInfo( &NewLicenseInfo,
&NewLicense.EncryptedNewLicenseInfo.pBlob,
&cbEncryptedLicenseInfo );
NewLicense.EncryptedNewLicenseInfo.wBlobLen = ( WORD )cbEncryptedLicenseInfo;
if( LICENSE_STATUS_OK != Status )
{
goto done;
}
//
// calculate the mac data
//
Status = LicenseGenerateMAC( &pLicenseContext->CryptoContext,
NewLicense.EncryptedNewLicenseInfo.pBlob,
( DWORD )NewLicense.EncryptedNewLicenseInfo.wBlobLen,
NewLicense.MACData );
if( LICENSE_STATUS_OK != Status )
{
goto done;
}
//
// Encrypt the new license info
//
Status = LicenseEncryptSessionData( &pLicenseContext->CryptoContext,
NewLicense.EncryptedNewLicenseInfo.pBlob,
cbEncryptedLicenseInfo );
if( LICENSE_STATUS_OK != Status )
{
goto done;
}
//
// package up the license for the client
//
if( fNewLicense )
{
Status = PackHydraServerNewLicense(
pLicenseContext->dwProtocolVersion,
&NewLicense,
ppOutBuf,
pcbOutBuf );
}
else
{
Status = PackHydraServerUpgradeLicense(
pLicenseContext->dwProtocolVersion,
&NewLicense,
ppOutBuf,
pcbOutBuf );
}
done:
if( NewLicense.EncryptedNewLicenseInfo.pBlob )
{
LicenseMemoryFree( &NewLicense.EncryptedNewLicenseInfo.pBlob );
}
return( Status );
}
///////////////////////////////////////////////////////////////////////////////
LICENSE_STATUS
ConstructProtocolResponse(
HANDLE hLicense,
DWORD dwResponse,
UINT32 uiExtendedErrorInfo,
PDWORD pcbOutBuf,
PBYTE * ppOutBuf,
BOOL fExtendedError)
{
PHS_Protocol_Context
pLicenseContext;
LICENSE_STATUS
Status;
pLicenseContext = ( PHS_Protocol_Context )hLicense;
if (pLicenseContext == NULL)
{
return( LICENSE_STATUS_INVALID_INPUT );
}
LOCK( &pLicenseContext->CritSec );
//
// construct the server response. If this is a per seat license context, use the
// licensing protocol version specified in the context. Otherwise, use the
// protocol version that is compatible with Terminal server 4.0.
//
Status = ConstructServerResponse(
pLicenseContext->dwProtocolVersion,
dwResponse,
uiExtendedErrorInfo,
pcbOutBuf,
ppOutBuf,
fExtendedError);
UNLOCK( &pLicenseContext->CritSec );
return( Status );
}
///////////////////////////////////////////////////////////////////////////////
LICENSE_STATUS
ConstructServerResponse(
DWORD dwProtocolVersion,
DWORD dwResponse,
UINT32 uiExtendedErrorInfo,
PDWORD pcbOutBuf,
PBYTE * ppOutBuf,
BOOL fExtendedError)
{
License_Error_Message ErrorMsg;
LICENSE_STATUS Status;
if( ( NULL == pcbOutBuf ) || ( NULL == ppOutBuf ))
{
return( LICENSE_STATUS_INVALID_INPUT );
}
if( LICENSE_RESPONSE_VALID_CLIENT == dwResponse )
{
ErrorMsg.dwErrorCode = GM_HS_ERR_VALID_CLIENT;
ErrorMsg.dwStateTransition = ST_NO_TRANSITION;
}
else if( LICENSE_RESPONSE_INVALID_CLIENT == dwResponse )
{
ErrorMsg.dwErrorCode = GM_HS_ERR_INVALID_CLIENT;
ErrorMsg.dwStateTransition = ST_TOTAL_ABORT;
}
else
{
return( LICENSE_STATUS_INVALID_INPUT );
}
ErrorMsg.bbErrorInfo.wBlobType = BB_ERROR_BLOB;
if (uiExtendedErrorInfo == TS_ERRINFO_NOERROR || !(fExtendedError) )
{
ErrorMsg.bbErrorInfo.wBlobLen = 0;
ErrorMsg.bbErrorInfo.pBlob = NULL;
}
else
{
PackExtendedErrorInfo(uiExtendedErrorInfo,&(ErrorMsg.bbErrorInfo));
}
Status = PackHydraServerErrorMessage(
dwProtocolVersion,
&ErrorMsg,
ppOutBuf,
pcbOutBuf );
return( Status );
}
///////////////////////////////////////////////////////////////////////////////
LICENSE_STATUS
GetEnvelopedData(
CERT_TYPE CertType,
PBYTE pEnvelopedData,
DWORD dwEnvelopedDataLen,
PBYTE * ppData,
PDWORD pdwDataLen )
{
LICENSE_STATUS
Status;
LsCsp_DecryptEnvelopedData(
CertType,
pEnvelopedData,
dwEnvelopedDataLen,
NULL,
pdwDataLen );
Status = LicenseMemoryAllocate( *pdwDataLen, ppData );
if( LICENSE_STATUS_OK != Status )
{
goto done;
}
if( !LsCsp_DecryptEnvelopedData(
CertType,
pEnvelopedData,
dwEnvelopedDataLen,
*ppData,
pdwDataLen ) )
{
Status = LICENSE_STATUS_INVALID_INPUT;
}
done:
return( Status );
}
///////////////////////////////////////////////////////////////////////////////
LICENSE_STATUS
InitProductInfo(
PProduct_Info pProductInfo,
LPTSTR lptszProductSku )
{
LICENSE_STATUS Status;
pProductInfo->pbCompanyName = NULL;
pProductInfo->pbProductID = NULL;
pProductInfo->dwVersion = g_dwTerminalServerVersion;
pProductInfo->cbCompanyName = wcslen( PRODUCT_INFO_COMPANY_NAME ) * sizeof( WCHAR )
+ sizeof( WCHAR );
Status = LicenseMemoryAllocate( pProductInfo->cbCompanyName,
&pProductInfo->pbCompanyName );
if( LICENSE_STATUS_OK != Status )
{
#if DBG
DbgPrint( "InitProductInfo: cannot allocate memory: 0x%x\n", Status );
#endif
goto error;
}
wcscpy( ( PWCHAR )pProductInfo->pbCompanyName, PRODUCT_INFO_COMPANY_NAME );
pProductInfo->cbProductID = _tcslen( lptszProductSku ) * sizeof( TCHAR )
+ sizeof( TCHAR );
Status = LicenseMemoryAllocate( pProductInfo->cbProductID,
&pProductInfo->pbProductID );
if( LICENSE_STATUS_OK != Status )
{
#if DBG
DbgPrint( "InitProductInfo: cannot allocate memory: 0x%x\n", Status );
#endif
goto error;
}
_tcscpy( ( PTCHAR )pProductInfo->pbProductID, lptszProductSku );
return( Status );
error:
//
// error return, free allocated resources
//
if( pProductInfo->pbCompanyName )
{
LicenseMemoryFree( &pProductInfo->pbCompanyName );
}
if( pProductInfo->pbProductID )
{
LicenseMemoryFree( &pProductInfo->pbProductID );
}
return( Status );
}
#define THROTTLE_WRAPAROUND 100
//
// Reduce the frequency of logging
// No need to strictly limit it to once every 100 calls
//
void
ThrottleLicenseLogEvent(
WORD wEventType,
DWORD dwEventId,
WORD cStrings,
PWCHAR * apwszStrings )
{
static LONG lLogged = THROTTLE_WRAPAROUND;
LONG lResult;
lResult = InterlockedIncrement(&lLogged);
if (THROTTLE_WRAPAROUND <= lResult)
{
LicenseLogEvent(
wEventType,
dwEventId,
cStrings,
apwszStrings );
lLogged = 0;
}
}
///////////////////////////////////////////////////////////////////////////////
void
LicenseLogEvent(
WORD wEventType,
DWORD dwEventId,
WORD cStrings,
PWCHAR * apwszStrings )
{
if (!g_fEventLogOpen)
{
LOCK(&g_EventLogCritSec);
if (!g_fEventLogOpen)
{
g_hEventLog = RegisterEventSource( NULL,
TERMINAL_SERVICE_EVENT_LOG );
if (NULL != g_hEventLog)
{
g_fEventLogOpen = TRUE;
}
}
UNLOCK(&g_EventLogCritSec);
}
if( g_hEventLog )
{
WCHAR *wszStringEmpty = L"";
if (NULL == apwszStrings)
apwszStrings = &wszStringEmpty;
if ( !ReportEvent( g_hEventLog,
wEventType,
0,
dwEventId,
NULL,
cStrings,
0,
apwszStrings,
NULL ) )
{
#if DBG
DbgPrint( "LogEvent: could not log event: 0x%x\n", GetLastError() );
#endif
}
}
return;
}
#ifdef UNICODE
/*++
Function:
Ascii2Wchar
Description:
Convert an ascii string to a wide character string. This function is only
defined if UNICODE is defined. This function allocates memory for the
return value of the wide character string.
Arguments:
lpszAsciiStr - Points to the ascii string
ppwszWideStr - Points to the pointer to the wide character string.
Return:
LICENSE_STATUS_OK if successful or a LICENSE_STATUS error code otherwise.
--*/
LICENSE_STATUS
Ascii2Wchar
(
LPSTR lpszAsciiStr,
LPWSTR * ppwszWideStr )
{
LICENSE_STATUS
Status;
if( ( NULL == lpszAsciiStr ) || ( NULL == ppwszWideStr ) )
{
return( LICENSE_STATUS_INVALID_INPUT );
}
if( !g_fSetLocale )
{
setlocale( LC_ALL, "" );
g_fSetLocale = TRUE;
}
//
// allocate memory for the wide string
//
//
// Allocate extra space for NULL, mbstowcs() does not NULL terminate string
//
Status = LicenseMemoryAllocate(
( _mbslen( lpszAsciiStr ) + 2 ) * sizeof( WCHAR ),
ppwszWideStr );
if( LICENSE_STATUS_OK != Status )
{
return( Status );
}
if( 0 >= mbstowcs( *ppwszWideStr, lpszAsciiStr, _mbslen( lpszAsciiStr ) + 1 ) )
{
#if DBG
DbgPrint( "LICPROT: Ascii2Wchar: cannot convert ascii string to wide char\n" );
#endif
Status = LICENSE_STATUS_INVALID_INPUT;
}
return( Status );
}
#endif
/*++
Function:
QueryLicenseInfo
Description:
Query the license information provided by the client
Parameters:
pLicenseContext - License protocol context
pTsLicenseInfo - Pointer to license information
Return:
If successful, pTsLicenseInfo will contain the license info and this
function returns LICENSE_STATUS_SUCCESS. Otherwise, returns a
LICENSE_STATUS error.
--*/
LICENSE_STATUS
QueryLicenseInfo(
HANDLE hContext,
PTS_LICENSE_INFO pTsLicenseInfo )
{
PHS_Protocol_Context
pLicenseContext = (PHS_Protocol_Context) hContext;
LICENSE_STATUS
Status;
if( ( NULL == hContext ) || ( NULL == pTsLicenseInfo ) )
{
return( LICENSE_STATUS_INVALID_INPUT );
}
if( NULL == pLicenseContext->pTsLicenseInfo )
{
return( LICENSE_STATUS_NO_LICENSE_ERROR );
}
//
// indicate if the license is temporary
//
pTsLicenseInfo->fTempLicense = pLicenseContext->pTsLicenseInfo->fTempLicense;
//
// license validity dates
//
pTsLicenseInfo->NotAfter = pLicenseContext->pTsLicenseInfo->NotAfter;
//
// raw license data
//
if (NULL != pTsLicenseInfo->pbRawLicense)
{
LicenseMemoryFree( &pTsLicenseInfo->pbRawLicense );
}
Status = LicenseMemoryAllocate(
pLicenseContext->pTsLicenseInfo->cbRawLicense,
&(pTsLicenseInfo->pbRawLicense));
if (Status != LICENSE_STATUS_OK)
{
return Status;
}
memcpy(pTsLicenseInfo->pbRawLicense,
pLicenseContext->pTsLicenseInfo->pbRawLicense,
pLicenseContext->pTsLicenseInfo->cbRawLicense);
pTsLicenseInfo->cbRawLicense
= pLicenseContext->pTsLicenseInfo->cbRawLicense;
//
// flags
//
pTsLicenseInfo->dwSupportFlags
= pLicenseContext->pTsLicenseInfo->dwSupportFlags;
return( LICENSE_STATUS_OK );
}
/*++
Function:
FreeLicenseInfo
Description:
Free the memory allocated for the elements in the TS_LICENSE_INFO structure.
Parameters:
pTsLicenseInfo - Pointer to a TS_LICENSE_INFO structure
Returns:
Nothing.
--*/
VOID
FreeLicenseInfo(
PTS_LICENSE_INFO pTsLicenseInfo )
{
FreeTsLicenseInfo( pTsLicenseInfo );
return;
}
///////////////////////////////////////////////////////////////////////////////
LICENSE_STATUS
AcceptProtocolContext(
IN HANDLE hContext,
IN DWORD cbInBuf,
IN PBYTE pInBuf,
IN OUT DWORD * pcbOutBuf,
IN OUT PBYTE * ppOutBuf,
IN OUT PBOOL pfExtendedError)
{
PHS_Protocol_Context pLicenseContext;
LICENSE_STATUS Status;
pLicenseContext = ( PHS_Protocol_Context )hContext;
if (NULL == pLicenseContext)
{
return LICENSE_STATUS_INVALID_SERVER_CONTEXT;
}
LOCK( &pLicenseContext->CritSec );
if( INIT == pLicenseContext->State )
{
//
// Generate a hydra server hello message to request for client
// license
//
Status = CreateHydraServerHello(pLicenseContext,
cbInBuf,
pInBuf,
pcbOutBuf,
ppOutBuf);
goto done;
}
else if( SENT_SERVER_HELLO == pLicenseContext->State )
{
//
// Hello response from the client
//
Status = HandleHelloResponse(pLicenseContext,
cbInBuf,
pInBuf,
pcbOutBuf,
ppOutBuf,
pfExtendedError);
goto done;
}
else if( ISSUED_PLATFORM_CHALLENGE == pLicenseContext->State )
{
//
// Handle the platform challenge response
//
Status = HandlePlatformChallengeResponse(pLicenseContext,
cbInBuf,
pInBuf,
pcbOutBuf,
ppOutBuf,
pfExtendedError);
goto done;
}
else
{
Status = LICENSE_STATUS_INVALID_SERVER_CONTEXT;
}
//
// check other states to create other messages as required...
//
done:
//
// handle any error before returning.
//
// If the current status is LICENSE_STATUS_SERVER_ABORT, it means
// that we have already tried to handle the error conditions
// with no success and the only option is to abort without
// informing the client licensing protocol.
//
if( ( LICENSE_STATUS_OK != Status ) &&
( LICENSE_STATUS_CONTINUE != Status ) &&
( LICENSE_STATUS_ISSUED_LICENSE != Status ) &&
( LICENSE_STATUS_SEND_ERROR != Status ) &&
( LICENSE_STATUS_SERVER_ABORT != Status ) &&
( LICENSE_STATUS_INVALID_SERVER_CONTEXT != Status ) )
{
HandleErrorCondition( pLicenseContext, pcbOutBuf, ppOutBuf, &Status );
}
UNLOCK( &pLicenseContext->CritSec );
return( Status );
}
LICENSE_STATUS
RequestNewLicense(
IN HANDLE hContext,
IN TCHAR *tszLicenseServerName,
IN LICENSEREQUEST *pLicenseRequest,
IN TCHAR *tszComputerName,
IN TCHAR *tszUserName,
IN BOOL fAcceptTempLicense,
IN BOOL fAcceptFewerLicenses,
IN DWORD *pdwQuantity,
OUT DWORD *pcbLicense,
OUT PBYTE *ppbLicense
)
{
PHS_Protocol_Context pLicenseContext;
LICENSE_STATUS LsStatus;
DWORD dwChallengeResponse = 0;
DWORD RpcStatus;
DWORD dwSupportFlags = SUPPORT_PER_SEAT_REISSUANCE;
BOOL fRetried = FALSE;
pLicenseContext = ( PHS_Protocol_Context )hContext;
LOCK( &pLicenseContext->CritSec );
reconnect:
if (NULL != tszLicenseServerName)
{
LsStatus = CheckConnectNamedLicenseServer(pLicenseContext,
tszLicenseServerName);
}
else
{
LsStatus = CheckConnectLicenseServer(pLicenseContext);
}
if( LICENSE_STATUS_OK != LsStatus )
{
goto done;
}
RpcStatus = TLSIssueNewLicenseExEx(
pLicenseContext->hLSHandle,
&dwSupportFlags,
0, // Challenge Context
pLicenseRequest,
tszComputerName,
tszUserName,
sizeof(DWORD), // cbChallengeResponse
(PBYTE) &dwChallengeResponse,
fAcceptTempLicense,
fAcceptFewerLicenses,
pdwQuantity,
pcbLicense,
ppbLicense,
&LsStatus );
if ( RPC_S_OK != RpcStatus )
{
if (!fRetried)
{
fRetried = TRUE;
pLicenseContext->hLSHandle = NULL;
goto reconnect;
}
else
{
LsStatus = LICENSE_STATUS_NO_LICENSE_SERVER;
}
}
else if ( LSERVER_ERROR_BASE <= LsStatus )
{
LsStatus = LsStatusToLicenseStatus(LsStatus,
LICENSE_STATUS_NO_LICENSE_ERROR);
}
else
{
LsStatus = LICENSE_STATUS_OK;
}
done:
UNLOCK( &pLicenseContext->CritSec );
return LsStatus;
}
// TODO: Generalize this for all license types
LICENSE_STATUS
ReturnInternetLicense(
IN HANDLE hContext,
IN TCHAR *tszLicenseServer,
IN LICENSEREQUEST *pLicenseRequest,
IN ULARGE_INTEGER ulSerialNumber,
IN DWORD dwQuantity
)
{
PHS_Protocol_Context pLicenseContext;
LICENSE_STATUS LsStatus;
DWORD RpcStatus;
BOOL fRetried = FALSE;
pLicenseContext = ( PHS_Protocol_Context )hContext;
LOCK( &pLicenseContext->CritSec );
reconnect:
if (NULL != tszLicenseServer)
{
LsStatus = CheckConnectNamedLicenseServer(pLicenseContext,
tszLicenseServer);
}
else
{
LsStatus = CheckConnectLicenseServer(pLicenseContext);
}
if (LICENSE_STATUS_OK != LsStatus)
{
goto done;
}
RpcStatus = TLSReturnInternetLicenseEx(
pLicenseContext->hLSHandle,
pLicenseRequest,
&ulSerialNumber,
dwQuantity,
&LsStatus );
if ( RPC_S_OK != RpcStatus )
{
if (!fRetried)
{
fRetried = TRUE;
pLicenseContext->hLSHandle = NULL;
goto reconnect;
}
else
{
LsStatus = LICENSE_STATUS_NO_LICENSE_SERVER;
}
}
else if ( LSERVER_ERROR_BASE <= LsStatus )
{
LsStatus = LsStatusToLicenseStatus(LsStatus,
LICENSE_STATUS_NOT_SUPPORTED);
}
else
{
LsStatus = LICENSE_STATUS_OK;
}
done:
UNLOCK( &pLicenseContext->CritSec );
return( LsStatus );
}
/****************************************************************************
*
* FileTimeToUnixTime
*
* Convert FILETIME to UNIX time (time_t)
*
* ENTRY:
* pft (input)
* pointer FILETIME structure
* t (input/output)
* pointer to UNIX time
*
* EXIT:
* TRUE - Success
* FALSE - Failure
*
****************************************************************************/
BOOL
FileTimeToUnixTime(
LPFILETIME pft,
time_t * t
)
{
SYSTEMTIME sysTime;
struct tm gmTime;
if( FileTimeToSystemTime( pft, &sysTime ) == FALSE )
{
return( FALSE );
}
if( sysTime.wYear >= 2038 )
{
*t = INT_MAX;
}
else
{
//
// Unix time support up to 2038/1/18
// restrict any expiration data
//
memset( &gmTime, 0, sizeof( gmTime ) );
gmTime.tm_sec = sysTime.wSecond;
gmTime.tm_min = sysTime.wMinute;
gmTime.tm_hour = sysTime.wHour;
gmTime.tm_year = sysTime.wYear - 1900;
gmTime.tm_mon = sysTime.wMonth - 1;
gmTime.tm_mday = sysTime.wDay;
*t = mktime( &gmTime );
}
return( *t != ( time_t )-1 );
}
/*++
Function:
DaysToExpiration
Description:
Return expiration info from the client license
Parameters:
hContext - License protocol context
pdwDaysLeft - Number of days to expiration is returned here. If the
license has already expired, this is 0. If the
license has no expiration date, this is 0xFFFFFFFF
pfTemporary - Whether the license is temporary is returned here
Return:
If successful, the output parameters are filled in, and this
function returns LICENSE_STATUS_SUCCESS. Otherwise, returns a
LICENSE_STATUS error.
--*/
LICENSE_STATUS
DaysToExpiration(
HANDLE hContext,
DWORD *pdwDaysLeft,
BOOL *pfTemporary
)
{
PHS_Protocol_Context
pLicenseContext = (PHS_Protocol_Context) hContext;
time_t
Expiration,
CurrentTime;
if ( NULL == hContext )
{
return( LICENSE_STATUS_INVALID_INPUT );
}
if( NULL == pLicenseContext->pTsLicenseInfo )
{
return( LICENSE_STATUS_NO_LICENSE_ERROR );
}
//
// indicate if the license is temporary
//
if (NULL != pfTemporary)
{
*pfTemporary = pLicenseContext->pTsLicenseInfo->fTempLicense;
}
//
// license validity dates
//
if (NULL != pdwDaysLeft)
{
if ( FALSE == FileTimeToUnixTime( &pLicenseContext->pTsLicenseInfo->NotAfter, &Expiration ) )
{
return (LICENSE_STATUS_INVALID_CLIENT_CONTEXT);
}
if (PERMANENT_LICENSE_EXPIRE_DATE == Expiration)
{
*pdwDaysLeft = 0xFFFFFFFF;
}
else
{
time( &CurrentTime );
if( CurrentTime >= Expiration )
{
//
// license already expired
//
*pdwDaysLeft = 0;
}
//
// figure out how many more days to go before license expires
//
*pdwDaysLeft = (DWORD)(( Expiration - CurrentTime ) / SECONDS_IN_A_DAY);
}
}
return( LICENSE_STATUS_OK );
}
/*++
Function:
MarkLicenseFlags
Description:
Marks the license at the license server as being used in a valid logon.
--*/
LICENSE_STATUS
MarkLicenseFlags(
HANDLE hContext,
UCHAR ucFlags
)
{
PHS_Protocol_Context pLicenseContext;
LICENSE_STATUS LsStatus;
DWORD RpcStatus;
BOOL fRetried = FALSE;
pLicenseContext = ( PHS_Protocol_Context )hContext;
if( NULL == pLicenseContext->pTsLicenseInfo )
{
return( LICENSE_STATUS_NO_LICENSE_ERROR );
}
if (!pLicenseContext->pTsLicenseInfo->fTempLicense)
{
return LICENSE_STATUS_OK;
}
// TODO: This can be done on a background thread, so that it doesn't
// block logon
LOCK( &pLicenseContext->CritSec );
reconnect:
LsStatus = CheckConnectLicenseServer(pLicenseContext);
if( LICENSE_STATUS_OK != LsStatus )
{
goto done;
}
RpcStatus = TLSMarkLicense(
pLicenseContext->hLSHandle,
ucFlags,
pLicenseContext->pTsLicenseInfo->cbRawLicense,
pLicenseContext->pTsLicenseInfo->pbRawLicense,
&LsStatus );
if ( RPC_S_OK != RpcStatus )
{
if (!fRetried)
{
fRetried = TRUE;
pLicenseContext->hLSHandle = NULL;
goto reconnect;
}
else
{
LsStatus = LICENSE_STATUS_NO_LICENSE_SERVER;
}
}
else if ( LSERVER_ERROR_BASE <= LsStatus )
{
LsStatus = LsStatusToLicenseStatus(LsStatus,
LICENSE_STATUS_NOT_SUPPORTED);
}
else
{
LsStatus = LICENSE_STATUS_OK;
}
done:
UNLOCK( &pLicenseContext->CritSec );
return LsStatus;
}
/*++
Function:
CacheRawLicenseData
Description:
Caches the unpacked license bits in the TS_LICENSE_INFO for later use.
The TS_LICENSE_INFO struct should already be created.
--*/
LICENSE_STATUS
CacheRawLicenseData(
PHS_Protocol_Context pLicenseContext,
PBYTE pbRawLicense,
DWORD cbRawLicense
)
{
LICENSE_STATUS Status;
if ((pLicenseContext == NULL) || (pLicenseContext->pTsLicenseInfo == NULL))
{
return(LICENSE_STATUS_INVALID_INPUT);
}
if (pLicenseContext->pTsLicenseInfo->pbRawLicense != NULL)
{
LicenseMemoryFree(&(pLicenseContext->pTsLicenseInfo->pbRawLicense));
}
Status = LicenseMemoryAllocate(cbRawLicense,
&(pLicenseContext->pTsLicenseInfo->pbRawLicense));
if (Status == LICENSE_STATUS_OK)
{
memcpy(pLicenseContext->pTsLicenseInfo->pbRawLicense, pbRawLicense,
cbRawLicense);
pLicenseContext->pTsLicenseInfo->cbRawLicense = cbRawLicense;
}
return(Status);
}
/*++
Function:
SetExtendedData
Description:
Sets the new fields in the TsLicenseInfo.
--*/
LICENSE_STATUS
SetExtendedData(
PHS_Protocol_Context pLicenseContext,
DWORD dwSupportFlags
)
{
if ((pLicenseContext == NULL) || (pLicenseContext->pTsLicenseInfo == NULL))
{
return(LICENSE_STATUS_INVALID_INPUT);
}
pLicenseContext->pTsLicenseInfo->dwSupportFlags = dwSupportFlags;
return(LICENSE_STATUS_OK);
}
/*++
Function:
LsStatusToLicenseStatus
Description:
Map a license server error code to a LICENSE_STATUS
--*/
LICENSE_STATUS
LsStatusToLicenseStatus(
DWORD LsStatus,
DWORD LsStatusDefault
)
{
LICENSE_STATUS LicenseStatus;
switch (LsStatus)
{
case LSERVER_S_SUCCESS:
LicenseStatus = LICENSE_STATUS_OK;
break;
case LSERVER_E_OUTOFMEMORY:
LicenseStatus = LICENSE_STATUS_OUT_OF_MEMORY;
break;
case LSERVER_E_INVALID_DATA:
LicenseStatus = LICENSE_STATUS_INVALID_INPUT;
break;
case LSERVER_E_LS_NOTPRESENT:
case LSERVER_E_LS_NOTRUNNING:
LicenseStatus = LICENSE_STATUS_NO_LICENSE_SERVER;
break;
case LSERVER_E_NO_LICENSE:
case LSERVER_E_NO_PRODUCT:
case LSERVER_E_NO_CERTIFICATE: // not activated
LicenseStatus = LICENSE_STATUS_NO_LICENSE_ERROR;
break;
case LSERVER_E_INTERNAL_ERROR:
LicenseStatus = LICENSE_STATUS_UNSPECIFIED_ERROR;
break;
default:
LicenseStatus = LsStatusDefault;
break;
}
return LicenseStatus;
}