6 Appendix A: Full IDL

Article
04/27/2022

For ease of implementation, the full Interface Definition Language (IDL) is provided here, where "ms-dtyp.idl" is the IDL found in [MS-DTYP] Appendix A.

This IDL does not include a pointer_default declaration. As noted in [MS-RPCE], this declaration is not required in MIDL, and, in this case, pointer_default(unique) is assumed.

 import "ms-dtyp.idl";
  
 [
 uuid(c681d488-d850-11d0-8c52-00c04fd90f7e),
 version(1.0),
 ]
 interface efsrpc
 {
  
  
 typedef [context_handle] void * PEXIMPORT_CONTEXT_HANDLE;
  
 typedef pipe unsigned char EFS_EXIM_PIPE;
  
 typedef struct _EFS_RPC_BLOB {
    [range(0,266240)]    DWORD            cbData;
    [size_is(cbData)]    unsigned char  * bData;
 } EFS_RPC_BLOB,
  *PEFS_RPC_BLOB;
  
 typedef struct {
   DWORD EfsVersion;
 } EFS_COMPATIBILITY_INFO;
  
 typedef unsigned int ALG_ID;
  
 typedef struct _EFS_HASH_BLOB {
     [range(0,100)]      DWORD            cbData;
     [size_is(cbData)]   unsigned char  * bData;
 } EFS_HASH_BLOB;
  
  
 typedef struct _ENCRYPTION_CERTIFICATE_HASH {
                 DWORD           cbTotalLength;
                 RPC_SID       * UserSid;
                 EFS_HASH_BLOB * Hash;
     [string]    wchar_t       * lpDisplayInformation;
 } ENCRYPTION_CERTIFICATE_HASH;
  
  
 typedef struct _ENCRYPTION_CERTIFICATE_HASH_LIST {
     [range(0,500)]          DWORD                          nCert_Hash;
     [size_is(nCert_Hash , )]   ENCRYPTION_CERTIFICATE_HASH ** Users;
 } ENCRYPTION_CERTIFICATE_HASH_LIST;
  
  
 typedef struct _CERTIFICATE_BLOB {
     DWORD                                dwCertEncodingType;
     [range(0,32768)]    DWORD            cbData;
     [size_is(cbData)]   unsigned char  * bData;
 } EFS_CERTIFICATE_BLOB;
  
  
 typedef struct _ENCRYPTION_CERTIFICATE {
     DWORD                   cbTotalLength;
     RPC_SID               * UserSid;
     EFS_CERTIFICATE_BLOB  * CertBlob;
 } ENCRYPTION_CERTIFICATE;
  
  
 typedef struct _ENCRYPTION_CERTIFICATE_LIST {    
     [range(0,500)]         DWORD nUsers;
     [size_is(nUsers , )]   ENCRYPTION_CERTIFICATE ** Users;
 } ENCRYPTION_CERTIFICATE_LIST;
  
  
 typedef struct _ENCRYPTED_FILE_METADATA_SIGNATURE { 
     DWORD                  dwEfsAccessType;
     ENCRYPTION_CERTIFICATE_HASH_LIST  * CertificatesAdded;
     ENCRYPTION_CERTIFICATE  * EncryptionCertificate;
     EFS_RPC_BLOB    * EfsStreamSignature;
 } ENCRYPTED_FILE_METADATA_SIGNATURE;
  
 typedef struct {
   DWORD dwVersion;
   unsigned long Entropy;
   ALG_ID Algorithm;
   unsigned long KeyLength;
 } EFS_KEY_INFO;
  
 typedef struct {
   DWORD dwDecryptionError;
   DWORD dwHashOffset;
   DWORD cbHash;
 } EFS_DECRYPTION_STATUS_INFO;
  
 typedef struct {
   BOOL bHasCurrentKey;
   DWORD dwEncryptionError;
 } EFS_ENCRYPTION_STATUS_INFO;

 typedef struct _ENCRYPTION_PROTECTOR {
 DWORD cbTotalLength;
 RPC_SID* UserSid;
 [string] wchar_t* lpProtectorDescriptor;
 } ENCRYPTION_PROTECTOR, * PENCRYPTION_PROTECTOR;
    
 typedef struct _ENCRYPTION_PROTECTOR_LIST {
 DWORD nProtectors;
 [size_is(nProtectors)] PENCRYPTION_PROTECTOR* pProtectors;
} ENCRYPTION_PROTECTOR_LIST, *PENCRYPTION_PROTECTOR_LIST;

 long EfsRpcOpenFileRaw(
     [in]            handle_t                   binding_h,
     [out]           PEXIMPORT_CONTEXT_HANDLE * hContext,
     [in, string]    wchar_t                  * FileName,
     [in]            long                       Flags
     );
  
 long EfsRpcReadFileRaw(
     [in]            PEXIMPORT_CONTEXT_HANDLE   hContext,
     [out]           EFS_EXIM_PIPE            * EfsOutPipe
     );
  
 long EfsRpcWriteFileRaw(
     [in]            PEXIMPORT_CONTEXT_HANDLE   hContext,
     [in]            EFS_EXIM_PIPE            * EfsInPipe
     );
  
 void EfsRpcCloseRaw(
     [in, out]       PEXIMPORT_CONTEXT_HANDLE * hContext
     );
  
 long EfsRpcEncryptFileSrv(
     [in]            handle_t    binding_h,
     [in, string]    wchar_t   * FileName
     );
  
 long EfsRpcDecryptFileSrv(
     [in]            handle_t        binding_h,
     [in, string]    wchar_t       * FileName,
     [in]            unsigned long   OpenFlag
     );
  
 DWORD EfsRpcQueryUsersOnFile(
     [in]            handle_t                        binding_h,
     [in, string]    wchar_t                        * FileName,
     [out]           ENCRYPTION_CERTIFICATE_HASH_LIST ** Users
     );
  
 DWORD EfsRpcQueryRecoveryAgents(
     [in]            handle_t                            binding_h,
     [in, string]    wchar_t                           * FileName,
     [out]           ENCRYPTION_CERTIFICATE_HASH_LIST ** RecoveryAgents
     );
  
 DWORD EfsRpcRemoveUsersFromFile(
     [in]            handle_t                            binding_h,
     [in, string]    wchar_t                           * FileName,
     [in]            ENCRYPTION_CERTIFICATE_HASH_LIST  * Users
     );
  
 DWORD EfsRpcAddUsersToFile(
     [in]         handle_t                      binding_h,
     [in, string] wchar_t                     * FileName,
     [in]         ENCRYPTION_CERTIFICATE_LIST * EncryptionCertificates
     );
  
 //local only method
 void Opnum10NotUsedOnWire(void);
  
 DWORD EfsRpcNotSupported(
     [in]            handle_t        binding_h,
     [in, string]    wchar_t       * Reserved1,
     [in, string]    wchar_t       * Reserved2,
     [in]            DWORD           dwReserved1,
     [in]            DWORD           dwReserved2,
     [in, unique]    EFS_RPC_BLOB  * Reserved,
     [in]            BOOL         bReserved
     );
     
 DWORD EfsRpcFileKeyInfo(
     [in]            handle_t        binding_h,
     [in, string]    wchar_t       * FileName,
     [in]            DWORD           InfoClass,
     [out]           EFS_RPC_BLOB ** KeyInfo
     );
     
 DWORD EfsRpcDuplicateEncryptionInfoFile(
     [in]            handle_t        binding_h,
     [in, string]    wchar_t       * SrcFileName,
     [in, string]    wchar_t       * DestFileName,
     [in]            DWORD           dwCreationDisposition,
     [in]            DWORD           dwAttributes,
     [in, unique]    EFS_RPC_BLOB  * RelativeSD,
     [in]            BOOL         bInheritHandle
     );
  
 //local only method
 void Opnum14NotUsedOnWire(void);
  
 DWORD EfsRpcAddUsersToFileEx(
     [in]            handle_t                        binding_h,
     [in]            DWORD                           dwFlags, 
     [in, unique]    EFS_RPC_BLOB                  * Reserved, 
     [in, string]    wchar_t                       * FileName,
     [in]    ENCRYPTION_CERTIFICATE_LIST   * EncryptionCertificates
     );
  
 DWORD EfsRpcFileKeyInfoEx(
     [in]            handle_t        binding_h,
     [in]            DWORD           dwFileKeyInfoFlags, 
     [in, unique]    EFS_RPC_BLOB  * Reserved, 
     [in, string]    wchar_t       * FileName,
     [in]            DWORD           InfoClass,
     [out]           EFS_RPC_BLOB ** KeyInfo
     );
  
 //local only method
 void Opnum17NotUsedOnWire(void);
  
 DWORD EfsRpcGetEncryptedFileMetadata(
     [in]                handle_t        binding_h,
     [in, string, ref]   wchar_t       * FileName, 
     [out, ref]          EFS_RPC_BLOB ** EfsStreamBlob
     ); 
  
 DWORD EfsRpcSetEncryptedFileMetadata(
     [in]              handle_t                       binding_h,
     [in, string, ref] wchar_t                      * FileName, 
     [in, unique]      EFS_RPC_BLOB                * OldEfsStreamBlob, 
     [in, ref]         EFS_RPC_BLOB                * NewEfsStreamBlob, 
     [in, unique] ENCRYPTED_FILE_METADATA_SIGNATURE * NewEfsSignature
     ); 
  
 DWORD EfsRpcFlushEfsCache(
     [in]    handle_t    binding_h
     );
  
 long EfsRpcEncryptFileExSrv(
     [in] handle_t binding_h,
     [in, string] wchar_t* FileName,
     [in, string, unique] wchar_t* ProtectorDescriptor, 
     [in] unsigned long Flags
     );
    
 DWORD EfsRpcQueryProtectors(
     [in] handle_t binding_h,
     [in, string] wchar_t* FileName,
     [out] PENCRYPTION_PROTECTOR_LIST **ppProtectorList 
     );
  
 //local only method
 void Opnum23NotUsedOnWire(void);
  
 //local only method
 void Opnum24NotUsedOnWire(void);
  
 //local only method
 void Opnum25NotUsedOnWire(void);
  
 //local only method
 void Opnum26NotUsedOnWire(void);
  
 //local only method
 void Opnum27NotUsedOnWire(void);
  
 //local only method
 void Opnum28NotUsedOnWire(void);
  
 //local only method
 void Opnum29NotUsedOnWire(void);
  
 //local only method
 void Opnum30NotUsedOnWire(void);
  
 //local only method
 void Opnum31NotUsedOnWire(void);
  
 //local only method
 void Opnum32NotUsedOnWire(void);
  
 //local only method
 void Opnum33NotUsedOnWire(void);
  
 //local only method
 void Opnum34NotUsedOnWire(void);
  
 //local only method
 void Opnum35NotUsedOnWire(void);
  
 //local only method
 void Opnum36NotUsedOnWire(void);
  
 //local only method
 void Opnum37NotUsedOnWire(void);
  
 //local only method
 void Opnum38NotUsedOnWire(void);
  
 //local only method
 void Opnum39NotUsedOnWire(void);
  
 //local only method
 void Opnum40NotUsedOnWire(void);
  
 //local only method
 void Opnum41NotUsedOnWire(void);
  
 //local only method
 void Opnum42NotUsedOnWire(void);
  
 //local only method
 void Opnum43NotUsedOnWire(void);
  
 //local only method
 void Opnum44NotUsedOnWire(void);
 }

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6 Appendix A: Full IDL

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