WindowsXP-SP1/inetsrv/iis/inc/tssec.hxx
2020-09-30 16:53:49 +02:00

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/*++
Copyright (c) 1995 Microsoft Corporation
Module Name:
tssec.hxx
Abstract:
This file declares security related classes and functions
Author:
Murali R. Krishnan ( MuraliK ) 11-Oct-1995
Environment:
Win32 User Mode
Project:
Internet Services Common DLL
Revision History:
--*/
# ifndef _TSSEC_HXX_
# define _TSSEC_HXX_
/************************************************************
* Include Headers
************************************************************/
# define SECURITY_WIN32
#include <sspi.h> // Security Support Provider APIs
#include <schnlsp.h>
#include <pudebug.h>
// forward declaration
class IIS_SERVER_INSTANCE;
class IIS_SSL_INFO;
/************************************************************
* Type Definitions
************************************************************/
typedef BOOL (WINAPI *SECURITY_CONTEXT_DELETE_FUNCTION)( CtxtHandle*, PVOID );
//
// Globals
//
extern HANDLE g_hProcessImpersonationToken;
extern HANDLE g_hProcessPrimaryToken;
extern BOOL g_fUseSingleToken;
//
// The TCP_AUTHENT_INFO structure is used as a shorthand to convey
// a bunch of authentication related information to a few routines that
// need it.
//
class TCP_AUTHENT_INFO
{
public:
TCP_AUTHENT_INFO( VOID )
: fDontUseAnonSubAuth( FALSE ),
dwLogonMethod ( LOGON32_LOGON_INTERACTIVE ),
cbAnonAcctDesc ( 0 )
{
}
STR strAnonUserName;
STR strAnonUserPassword;
STR strDefaultLogonDomain;
DWORD dwLogonMethod;
BOOL fDontUseAnonSubAuth;
//
// Stores the anonymous account descriptor
//
BUFFER bAnonAcctDesc;
DWORD cbAnonAcctDesc;
};
typedef TCP_AUTHENT_INFO * PTCP_AUTHENT_INFO;
//
// Security functions.
//
#define IIS_DNLEN 256
#define MAX_ACCT_DESC_LEN (UNLEN+1+IIS_DNLEN+1+PWLEN+1)
class CACHED_CREDENTIAL
{
public:
CACHED_CREDENTIAL()
{
_ListEntry.Flink = NULL;
_fHaveCredHandle = FALSE;
}
~CACHED_CREDENTIAL();
BOOL
static CACHED_CREDENTIAL::GetCredential(
LPSTR pszPackage,
PIIS_SERVER_INSTANCE psi,
PTCP_AUTHENT_INFO pTAI,
CredHandle* prcred,
ULONG* pcbMaxToken
);
LIST_ENTRY _ListEntry;
private:
STR _PackageName;
STR _DefaultDomain;
CredHandle _hcred;
BOOL _fHaveCredHandle;
ULONG _cbMaxToken; // Used for SSP, max message token size
} ;
class CACHED_TOKEN
{
public:
CACHED_TOKEN( VOID )
: _hToken( NULL ),
_cRef ( 1 ),
_TTL ( 2 ),
m_hImpersonationToken( NULL ),
m_fGuest ( FALSE ),
m_dwLogonMethod ( 0 )
{
_ListEntry.Flink = NULL;
_liExpiry.HighPart = 0x7fffffff;
_liExpiry.LowPart = 0xffffffff;
}
~CACHED_TOKEN( VOID )
{
if ( !g_fUseSingleToken )
{
DBG_ASSERT( _ListEntry.Flink == NULL );
if ( m_hImpersonationToken) {
DBG_REQUIRE( CloseHandle( m_hImpersonationToken ));
m_hImpersonationToken = NULL;
}
if ( _hToken )
{
DBG_REQUIRE( CloseHandle( _hToken ) );
_hToken = NULL;
}
}
}
static VOID Reference( CACHED_TOKEN * pct )
{
DBG_ASSERT( pct->_cRef > 0 );
InterlockedIncrement( &pct->_cRef );
}
static VOID Dereference( CACHED_TOKEN * pct )
{
DBG_ASSERT( pct->_cRef > 0 );
if ( !InterlockedDecrement( &pct->_cRef ) )
{
delete pct;
}
}
HANDLE QueryImpersonationToken(VOID) const
{ return g_fUseSingleToken ? g_hProcessImpersonationToken : m_hImpersonationToken; }
HANDLE QueryPrimaryToken(VOID) const
{ return g_fUseSingleToken ? g_hProcessImpersonationToken : m_hImpersonationToken; }
VOID SetImpersonationToken(IN HANDLE hImpersonation)
{
DBG_ASSERT( m_hImpersonationToken == NULL);
if ( g_fUseSingleToken )
{
DBG_ASSERT( FALSE );
}
else
{
m_hImpersonationToken = hImpersonation;
}
}
VOID SetExpiry( LARGE_INTEGER* pE )
{
if ( g_fUseSingleToken )
{
DBG_ASSERT( FALSE );
}
if ( NULL != pE )
{
memcpy( &_liExpiry, pE, sizeof(LARGE_INTEGER) );
}
else
{
_liExpiry.HighPart = 0x7fffffff;
_liExpiry.LowPart = 0xffffffff;
}
}
LARGE_INTEGER* QueryExpiry() { return &_liExpiry; }
BOOL IsGuest(VOID) const { return (m_fGuest); }
VOID SetGuest(IN BOOL fGuest) { m_fGuest = fGuest; }
HANDLE _hToken; // Must be first data member
LIST_ENTRY _ListEntry;
LONG _cRef;
DWORD _TTL; // Gets decremented on each timeout, when zero,
// remove this item from the cache
BOOL m_fGuest; // Is this token a guest user?
HANDLE m_hImpersonationToken;
CHAR _achAcctDesc[MAX_ACCT_DESC_LEN];
DWORD m_dwAcctDescLen;
LARGE_INTEGER _liExpiry;
DWORD m_dwLogonMethod;
CHAR m_achUserName[ UNLEN ];
CHAR m_achDomainName[ IIS_DNLEN ];
};
typedef CACHED_TOKEN* TS_TOKEN; // Choose an incompatible type so warnings
// are produced
///////////////////////////////////////////////////////////////////////
//
// NT Authentication support
//
//////////////////////////////////////////////////////////////////////
//
// TCP Authenticator flags passed to init
//
#define TCPAUTH_SERVER 0x00000001 // This is the server side
#define TCPAUTH_CLIENT 0x00000002 // This is the client side
#define TCPAUTH_UUENCODE 0x00000004 // Input buffers are uudecoded,
// output buffers are uuencoded
#define TCPAUTH_BASE64 0x00000008 // uses base64 for uuenc/dec
#define CRED_STATUS_INVALID_TIME 0x00001000
#define CRED_STATUS_REVOKED 0x00002000
class TCP_AUTHENT
{
public:
dllexp TCP_AUTHENT( DWORD AuthFlags );
dllexp ~TCP_AUTHENT();
//
// Server side only: For clients that pass clear text, the server should
// authenticate with this method
//
dllexp BOOL ClearTextLogon( CHAR * pszUser,
CHAR * pszPassword,
BOOL * pfAsGuest,
BOOL * pfAsAnonymous,
IIS_SERVER_INSTANCE * pInstance,
PTCP_AUTHENT_INFO pTAI,
CHAR * pszWorkstation = NULL
);
#if 0
//
// Server side only : Digest logon
//
dllexp BOOL LogonDigestUser(
PSTR pszUserName,
PSTR pszRealm,
PSTR pszUri,
PSTR pszMethod,
PSTR pszNonce,
PSTR pszServerNonce,
PSTR pszDigest,
DWORD dwAlgo,
LPTSVC_INFO psi
);
#endif
//
// Server side only: For filters that set access tokens
//
dllexp BOOL SetAccessToken( HANDLE hPrimaryToken,
HANDLE hImpersonationToken
);
//
// Client calls this first to get the negotiation message which
// it then sends to the server. The server calls this with the
// client result and sends back the result. The conversation
// continues until *pcbBuffOut is zero and *pfNeedMoreData is FALSE.
//
// On the first call, pszPackage must point to the zero terminated
// authentication package name to be used and pszUser and pszPassword
// should point to the user name and password to authenticated with
// on the client side (server side will always be NULL).
//
dllexp BOOL Converse( VOID * pBuffIn,
DWORD cbBuffIn,
BUFFER * pbuffOut,
DWORD * pcbBuffOut,
BOOL * pfNeedMoreData,
PTCP_AUTHENT_INFO pTAI,
CHAR * pszPackage = NULL,
CHAR * pszUser = NULL,
CHAR * pszPassword = NULL,
PIIS_SERVER_INSTANCE psi = NULL );
dllexp BOOL TCP_AUTHENT::ConverseEx(
SecBufferDesc* pInSecBufDesc, // passed in by caller
BUFFER * pDecodedBuffer, // passed in by caller
BUFFER * pbuffOut,
DWORD * pcbBuffOut,
BOOL * pfNeedMoreData,
PTCP_AUTHENT_INFO pTAI,
CHAR * pszPackage,
CHAR * pszUser,
CHAR * pszPassword,
PIIS_SERVER_INSTANCE psi
);
//
// Server side only. Impersonates client after successful authentication
//
dllexp BOOL Impersonate( VOID );
dllexp BOOL RevertToSelf( VOID );
dllexp BOOL IsForwardable( VOID ) const;
dllexp BOOL StartProcessAsUser( LPCSTR lpApplicationName,
LPSTR lpCommandLine,
BOOL bInheritHandles,
DWORD dwCreationFlags,
LPVOID lpEnvironment,
LPCSTR lpCurrentDirectory,
LPSTARTUPINFOA lpStartupInfo,
LPPROCESS_INFORMATION lpProcessInformation
);
//
// Gives the name of all authentication packages in a double null
// terminated list. i.e.:
//
// NTLM\0
// MSKerberos\0
// \0
//
dllexp BOOL EnumAuthPackages( BUFFER * pBuff );
//
// Returns the user name associated with this context, not supported for
// clear text
//
dllexp BOOL QueryUserName( STR * pBuff, BOOL fImpersonated = FALSE );
dllexp BOOL QueryExpiry( PTimeStamp pExpiry );
dllexp TS_TOKEN GetToken( VOID ) const
{ return _hToken; }
//
// Gets actual impersonation token handle
//
dllexp HANDLE QueryPrimaryToken( VOID );
dllexp HANDLE QueryImpersonationToken( VOID );
dllexp HANDLE GetUserHandle( VOID )
{ return QueryPrimaryToken(); }
dllexp BOOL QueryFullyQualifiedUserName(
LPSTR pszUser,
STR * strU,
IIS_SERVER_INSTANCE * psi,
PTCP_AUTHENT_INFO pTAI
);
dllexp BOOL IsGuest( BOOL );
dllexp BOOL Reset( BOOL fSessionReset = TRUE );
dllexp CredHandle * QueryCredHandle( VOID )
{ return (_fHaveCredHandle ? &_hcred : NULL); }
dllexp CtxtHandle * QueryCtxtHandle( VOID )
{ return (_fHaveCtxtHandle ? &_hctxt : NULL); }
dllexp CtxtHandle * QuerySslCtxtHandle( VOID )
{ return _phSslCtxt; }
dllexp BOOL SetSecurityContextToken( CtxtHandle* pCtxt,
HANDLE hImpersonationToken,
SECURITY_CONTEXT_DELETE_FUNCTION pFn,
PVOID pArg,
IIS_SSL_INFO *pSslInfo );
dllexp BOOL IsSslCertPresent();
dllexp BOOL DeleteCachedTokenOnReset( VOID );
dllexp BOOL QueryCertificateIssuer( LPSTR ppIssuer, DWORD, LPBOOL );
dllexp BOOL QueryCertificateSubject( LPSTR ppSubject, DWORD, LPBOOL );
dllexp BOOL QueryCertificateFlags( LPDWORD pdwFlags, LPBOOL );
dllexp BOOL QueryCertificateSerialNumber( LPBYTE* pSerialNumber, LPDWORD pdwLen, LPBOOL );
dllexp BOOL QueryServerCertificateIssuer( LPSTR* ppIssuer, LPBOOL );
dllexp BOOL QueryServerCertificateSubject( LPSTR* ppSubject, LPBOOL );
dllexp BOOL QueryEncryptionKeySize( LPDWORD, LPBOOL );
dllexp BOOL QueryEncryptionServerPrivateKeySize( LPDWORD, LPBOOL );
dllexp BOOL
GetClientCertBlob(
IN DWORD cbAllocated,
OUT DWORD * pdwCertEncodingType,
OUT unsigned char * pbCertEncoded,
OUT DWORD * pcbCertEncoded,
OUT DWORD * pfCertificateVerified);
dllexp BOOL UpdateClientCertFlags( DWORD dwFlags, LPBOOL pfCert, LPBYTE pbCa, DWORD dwCa );
dllexp BOOL PackageSupportsEncoding( LPSTR pszPackage );
dllexp BOOL SetTargetName( LPSTR pszTarget );
private:
BOOL QueryCertificateInfo( LPBOOL );
BOOL QueryServerCertificateInfo( LPBOOL );
protected:
DWORD _fClient:1; // TRUE if client side, FALSE if SERVER side
DWORD _fNewConversation:1; // Forces initialization params for client side
DWORD _fUUEncodeData:1; // uuencode/decode input and output buffers
DWORD _fClearText:1; // Use the Gina APIs rather then the SSP APIs
DWORD _fHaveCredHandle:1; // _hcred contains a credential handle
DWORD _fHaveCtxtHandle:1; // _hctxt contains a context handle
DWORD _fBase64:1; // uses base64 for uuenc/dec
DWORD _fKnownToBeGuest:1; // TRUE if SSPI flag access token as "Guest"
DWORD _fHaveAccessTokens:1;// TRUE if access token set by caller
DWORD _fHaveExpiry:1; // TRUE if clear text logon has pwd expiry time
DWORD _fDelegate:1; // TRUE if security context forwardable
DWORD _fCertCheckForRevocation:1; // TRUE if we should revocation check
DWORD _fCertCheckCacheOnly:1; // TRUE if we should not go on wire
TS_TOKEN _hToken; // Used for clear text
CredHandle _hcred; // Used for SSP
ULONG _cbMaxToken; // Used for SSP, max message token size
HANDLE _hSSPToken; // Used for SSP, caches real token
HANDLE _hSSPPrimaryToken;// Used for SSP, caches duplicated token
CtxtHandle _hctxt; // Used for SSP
SECURITY_CONTEXT_DELETE_FUNCTION _pDeleteFunction;
PVOID _pDeleteArg;
LARGE_INTEGER _liPwdExpiry;
PCERT_CONTEXT _pClientCertContext;
DWORD _dwX509Flags;
IIS_SSL_INFO * _pSslInfo;
PX509Certificate _pServerX509Certificate;
DWORD _dwServerX509Flags;
DWORD _dwServerBitsInKey;
CtxtHandle * _phSslCtxt; // ptr to SSL sec context
STR _strTarget;
};
DWORD
InitializeSecurity(
HINSTANCE hDll
);
VOID
TerminateSecurity(
VOID
);
dllexp
BOOL
TsImpersonateUser(
TS_TOKEN hToken
);
dllexp
HANDLE
TsTokenToHandle(
TS_TOKEN hToken
);
dllexp
HANDLE
TsTokenToImpHandle(
TS_TOKEN hToken
);
dllexp
DWORD
TsApiAccessCheck(
ACCESS_MASK maskDesiredAccess
);
dllexp
BOOL
TsDeleteUserToken(
TS_TOKEN hToken
);
dllexp
TS_TOKEN
TsLogonUser(
CHAR * pszUser,
CHAR * pszPassword,
BOOL * pfAsGuest,
BOOL * pfAsAnonymous,
IIS_SERVER_INSTANCE * pInstance,
PTCP_AUTHENT_INFO pTAI,
CHAR * pszWorkstation = NULL,
LARGE_INTEGER * pExpiry = NULL,
BOOL * pfExpiry = NULL
);
dllexp
BOOL
TsGetSecretW(
WCHAR * pszSecretName,
BUFFER * pbufSecret
);
dllexp
DWORD
TsSetSecretW(
IN LPWSTR SecretName,
IN LPWSTR pSecret,
IN DWORD cbSecret
);
#ifdef CHICAGO
dllexp
BOOL
TsIsUserLevelPresent(VOID);
#endif
dllexp
BOOL
uudecode(
char * bufcoded,
BUFFER * pbuffdecoded,
DWORD * pcbDecoded = NULL,
BOOL fBase64 = FALSE
);
dllexp
BOOL
uuencode(
BYTE * pchData,
DWORD cbData,
BUFFER * pbuffEncoded,
BOOL fBase64 = FALSE
);
dllexp
BOOL
BuildAnonymousAcctDesc(
PTCP_AUTHENT_INFO pTAI
);
dllexp
QuerySingleAccessToken(
VOID
);
extern TS_TOKEN g_pctProcessToken;
#include <tslogon.hxx>
#include <wintrust.h>
typedef
LONG (WINAPI *PFN_WinVerifyTrust)(IN OPTIONAL HWND hwnd,
IN GUID *pgActionID,
IN LPVOID pWintrustData);
extern HINSTANCE g_hWinTrust;
extern PFN_WinVerifyTrust g_pfnWinVerifyTrust;
#endif
/************************ End of File ***********************/