windows-server-2003/inetcore/winhttp/v5/inc/inetsspi.h

/*++

Copyright (c) 1996  Microsoft Corporation

Module Name:

    inetsspi.h

Abstract:

    Contains all constant values and prototype decls used in inetsspi.cxx

Author:

    Sophia Chung (SophiaC)  02-Jan-1996

Revision History:

--*/

#ifndef _INETSSPI_H_
#define _INETSSPI_H_

#ifdef __cplusplus
extern "C" {
#endif


//
//  Encryption Capabilities
//

#define ENC_CAPS_NOT_INSTALLED     0x80000000       // No keys installed
#define ENC_CAPS_DISABLED          0x40000000       // Disabled due to locale
#define ENC_CAPS_SSL               0x00000001       // SSL active
#define ENC_CAPS_PCT               0x00000002       // PCT active
#define ENC_CAPS_SCHANNEL_CREDS    0x00000004       // Uses SCHANNEL Creds Struct

//
//  Encryption type (SSL/PCT etc) portion of encryption flag dword
//  PCT & SSL are both supported
//

#define ENC_CAPS_TYPE_MASK         (ENC_CAPS_SSL | ENC_CAPS_PCT)
#define ENC_CAPS_DEFAULT           ENC_CAPS_TYPE_MASK

#define INVALID_CRED_VALUE         {0xFFFFFFFF, 0xFFFFFFFF}

#define IS_CRED_INVALID(s) (((s)->dwUpper == 0xFFFFFFFF) && ((s)->dwLower == 0xFFFFFFFF))

typedef struct _SEC_PROVIDER
{
    CHAR            *pszName;          // security pkg name
    CredHandle      hCreds;           // credential handle
    DWORD           dwFlags;          // encryption capabilities
    BOOL            fEnabled;         // enable flag indicator
    DWORD           dwProtocolFlags;  // protocol flags that this provider supports.
    PCCERT_CONTEXT  pCertCtxt;        // cert context to use when getting default credentials.
} SEC_PROVIDER, *PSEC_PROVIDER;

//
//  Array of encryption providers
//

extern SEC_PROVIDER SecProviders[];

//
//  Global EncProvider flag
//

extern DWORD dwEncFlags;


//
//  Prototypes
//

BOOL
SecurityPkgInitialize(
    BOOL fForce = FALSE
    );

DWORD
EncryptData(
    IN CtxtHandle* hContext,
    IN LPVOID   lpBuffer,
    IN DWORD    dwInBufferLen,
    OUT LPVOID *lplpBuffer,
    OUT DWORD  *lpdwOutBufferLen,
    OUT DWORD  *lpdwInBufferBytesEncrypted
    );

DWORD
DecryptData(
    IN CtxtHandle* hContext,
    IN OUT DBLBUFFER* pdblbufBuffer,
    OUT DWORD     *lpdwBytesNeeded,
    OUT LPBYTE        lpOutBuffer,
    IN OUT DWORD  *lpdwOutBufferLeft,
    IN OUT DWORD  *lpdwOutBufferReceived,
    IN OUT DWORD  *lpdwOutBufferBytesRead
    );

VOID
TerminateSecConnection(
    IN CtxtHandle* hContext
    );


DWORD 
QuerySecurityInfo(
                  IN CtxtHandle *hContext,
                  OUT LPINTERNET_SECURITY_INFO pInfo,
                  IN LPDWORD lpdwStatusFlag);


#ifdef __cplusplus
}
#endif

#endif //_INETSSPI_H_