/// <summary>
/// Decodes the request stub, and fills the fields of the class
/// </summary>
/// <param name="sessionContext">The session context of the request received</param>
/// <param name="requestStub">The request stub got from RPCE layer</param>
internal override void Decode(NrpcServerSessionContext sessionContext, byte[] requestStub)
{
using (RpceInt3264Collection outParamList = RpceStubDecoder.ToParamList(
RpceStubHelper.GetPlatform(),
NrpcRpcStubFormatString.TypeFormatString,
new RpceStubExprEval[] {
new RpceStubExprEval(NrpcRpcAdapter.logon__NETLOGON_DELTA_USERExprEval_0000) },
NrpcRpcStubFormatString.ProcFormatString,
NrpcRpcStubFormatString.ProcFormatStringOffsetTable[(int)Opnum],
false,
requestStub))
{
LogonServer = Marshal.PtrToStringUni(outParamList[0]);
ComputerName = Marshal.PtrToStringUni(outParamList[1]);
Authenticator = TypeMarshal.ToNullableStruct<_NETLOGON_AUTHENTICATOR>(outParamList[2]);
ReturnAuthenticator = TypeMarshal.ToNullableStruct<_NETLOGON_AUTHENTICATOR>(outParamList[3]);
LogonLevel = (_NETLOGON_LOGON_INFO_CLASS)outParamList[4].ToInt32();
LogonInformation = TypeMarshal.ToNullableStruct<_NETLOGON_LEVEL>(outParamList[5], LogonLevel, null, null);
ValidationLevel = (_NETLOGON_VALIDATION_INFO_CLASS)outParamList[6].ToInt32();
ExtraFlags = TypeMarshal.ToNullableStruct<uint>(outParamList[9]);
}
}
/// <summary>
/// The NetrLogonSamLogonWithFlags method Supported in windows_xpwindows_server_2003,
/// windows_vista, windows_server_2008, windows_7, and
/// windows_server_7. handles logon requests for the SAM
/// accounts. Opnum: 45
/// </summary>
/// <param name="LogonServer">
/// The custom RPC binding handle, as specified in section
/// .
/// </param>
/// <param name="ComputerName">
/// The Unicode string that contains the NetBIOS name of
/// the client computer calling this method.
/// </param>
/// <param name="Authenticator">
/// A pointer to a NETLOGON_AUTHENTICATOR structure, as
/// specified in section , that contains the client authenticator.
/// </param>
/// <param name="ReturnAuthenticator">
/// A pointer to a NETLOGON_AUTHENTICATOR structure, as
/// specified in section , that contains the server return
/// authenticator.
/// </param>
/// <param name="LogonLevel">
/// A NETLOGON_LOGON_INFO_CLASS structure, as specified
/// in section , that specifies the type of logon information
/// passed in the LogonInformation parameter.
/// </param>
/// <param name="LogonInformation">
/// A pointer to a NETLOGON_LEVEL structure, as specified
/// in section , that describes the logon request information.
/// </param>
/// <param name="ValidationLevel">
/// A NETLOGON_VALIDATION_INFO_CLASS enumerated type, as
/// specified in section , that contains the validation
/// level requested by the client.
/// </param>
/// <param name="ValidationInformation">
/// A pointer to a NETLOGON_VALIDATION structure, as specified
/// in section , that describes the user validation information
/// returned to the client. The type of the NETLOGON_VALIDATION
/// used is determined by the value of the ValidationLevel
/// parameter.
/// </param>
/// <param name="Authoritative">
/// A pointer to a char value representing a Boolean condition.
/// FALSE is indicated by the value 0x00; TRUE SHOULD be
/// indicated by the value 0x01 and MAY also be indicated
/// by any nonzero value. Windows uses the value of 0x01
/// as the representation of TRUE and 0x00 for FALSE. This
/// Boolean value indicates whether the validation information
/// is final. This field is necessary because the request
/// might be forwarded through multiple servers. A value
/// of TRUE indicates that the validation information is
/// final and MUST remain unchanged.
/// </param>
/// <param name="ExtraFlags">
/// A pointer to a set of bit flags that specify delivery
/// settings. A flag is TRUE (or set) if its value is equal
/// to 1. The value is constructed from zero or more bit
/// flags from the following table.
/// </param>
public NtStatus NetrLogonSamLogonWithFlags(
string LogonServer,
string ComputerName,
_NETLOGON_AUTHENTICATOR? Authenticator,
ref _NETLOGON_AUTHENTICATOR? ReturnAuthenticator,
_NETLOGON_LOGON_INFO_CLASS LogonLevel,
_NETLOGON_LEVEL? LogonInformation,
_NETLOGON_VALIDATION_INFO_CLASS ValidationLevel,
out _NETLOGON_VALIDATION? ValidationInformation,
out byte? Authoritative,
ref uint? ExtraFlags)
{
const ushort opnum = 45;
byte[] requestStub;
byte[] responseStub;
Int3264[] paramList;
int retVal;
SafeIntPtr pLogonServer = Marshal.StringToHGlobalUni(LogonServer);
SafeIntPtr pComputerName = Marshal.StringToHGlobalUni(ComputerName);
SafeIntPtr pAuthenticator = TypeMarshal.ToIntPtr(Authenticator);
SafeIntPtr pReturnAuthenticatorIn = TypeMarshal.ToIntPtr(ReturnAuthenticator);
SafeIntPtr pLogonInformation = TypeMarshal.ToIntPtr(LogonInformation, LogonLevel, null, null);
SafeIntPtr pExtraFlags = TypeMarshal.ToIntPtr(ExtraFlags);
paramList = new Int3264[] {
pLogonServer,
pComputerName,
pAuthenticator,
pReturnAuthenticatorIn,
(uint)LogonLevel,
pLogonInformation,
(uint)ValidationLevel,
IntPtr.Zero,
IntPtr.Zero,
pExtraFlags,
0 // retVal
};
requestStub = RpceStubEncoder.ToBytes(
RpceStubHelper.GetPlatform(),
NrpcRpcStubFormatString.TypeFormatString,
new RpceStubExprEval[] { new RpceStubExprEval(logon__NETLOGON_DELTA_USERExprEval_0000) },
NrpcRpcStubFormatString.ProcFormatString,
NrpcRpcStubFormatString.ProcFormatStringOffsetTable[opnum],
true,
paramList);
rpceClientTransport.Call(opnum, requestStub, rpceTimeout, out responseStub);
using (RpceInt3264Collection outParamList = RpceStubDecoder.ToParamList(
RpceStubHelper.GetPlatform(),
NrpcRpcStubFormatString.TypeFormatString,
new RpceStubExprEval[] { new RpceStubExprEval(logon__NETLOGON_DELTA_USERExprEval_0000) },
NrpcRpcStubFormatString.ProcFormatString,
NrpcRpcStubFormatString.ProcFormatStringOffsetTable[opnum],
true,
responseStub,
paramList))
{
IntPtr pReturnAuthenticatorOut = outParamList[3];
ReturnAuthenticator = TypeMarshal.ToNullableStruct<_NETLOGON_AUTHENTICATOR>(pReturnAuthenticatorOut);
IntPtr pValidationInformation = outParamList[7];
ValidationInformation = TypeMarshal.ToNullableStruct<_NETLOGON_VALIDATION>(
pValidationInformation,
ValidationLevel,
null,
null);
Authoritative = TypeMarshal.ToNullableStruct<byte>(outParamList[8]);
ExtraFlags = TypeMarshal.ToNullableStruct<uint>(outParamList[9]);
retVal = outParamList[10].ToInt32();
}
pLogonServer.Dispose();
pComputerName.Dispose();
pAuthenticator.Dispose();
pReturnAuthenticatorIn.Dispose();
pLogonInformation.Dispose();
pExtraFlags.Dispose();
return (NtStatus)retVal;
}
/// <summary>
/// Send Digest request message to DC, and validate the credentials.
/// </summary>
/// <param name="isValidationSuccess">Indicates whether the validation from server will be success.</param>
/// <param name="digestType">Indicates the DigestType field of the request.</param>
/// <param name="algType">Indicates the AlgType field of the request.</param>
/// <param name="ignoredFields">It indicates the fields that should be ignored by DC in DIGEST_VALIDATION_REQ.</param>
/// <returns>Indicates the result status of DC response.</returns>
public Status GenerateDigestRequest(
Boolean isValidationSuccess,
AccountInformation accountInfo,
DigestType_Values digestType,
AlgType_Values algType,
IgnoredFields ignoredFields)
{
DIGEST_VALIDATION_REQ digestReq;
_NETLOGON_LOGON_INFO_CLASS logonLevel = _NETLOGON_LOGON_INFO_CLASS.NetlogonGenericInformation;
_NETLOGON_VALIDATION_INFO_CLASS validationLevel = _NETLOGON_VALIDATION_INFO_CLASS.NetlogonValidationGenericInfo2;
//Compute the password
GenerateCurrentCredentials(accountInfo);
//Get Digest Request
GetDigestRequest(digestType, algType, ignoredFields, out digestReq);
//Create digest validation logon info
_NETLOGON_LEVEL netlogonLevel = ApdsUtility.CreateDpspLogonInfo(
NrpcParameterControlFlags.AllowLogonWithComputerAccount,
digestReq);
//Create Secure Channel
EstablishSecureChannel();
//Client calls EncryptNetlogonLevel
_NETLOGON_LEVEL encryptedLogonLevel = nrpcClient.EncryptNetlogonLevel(
(_NETLOGON_LOGON_INFO_CLASS)logonLevel,
netlogonLevel);
//Client calls NetrLogonSamLogonEx
_NETLOGON_VALIDATION?validationInfomation;
byte?authoritative;
NrpcNetrLogonSamLogonExtraFlags?extraFlags = NrpcNetrLogonSamLogonExtraFlags.None;
result = nrpcClient.NetrLogonSamLogonEx(
nrpcClient.Handle,
sutComputerName,
clientComputerName,
logonLevel,
encryptedLogonLevel,
validationLevel,
out validationInfomation,
out authoritative,
ref extraFlags);
// Whether this method use pass-through mechanism or not.
bool isPassThroughMethod = false;
//
//The Digest validation protocol SHOULD use the generic pass-through mechanism.
//For generic pass-through, the LogonLevel is 4(NetlogonGenericInformation) as defined in [MS-NRPC] section 3.2.4.1.
//So when the LogonLevel is 4, we can say that NRPC pass-through authentication method is used.
//
if ((int)logonLevel == 4)
{
isPassThroughMethod = true;
}
//
//Verify MS-APDS requirment:MS-APDS_R5
//
Site.CaptureRequirementIfIsTrue(
isPassThroughMethod,
5,
@"For domain support, authentication protocols MUST use an NRPC pass-through authentication
([MS-NRPC] section 3.2) method with parameters determined by the authentication protocol being
used[to return the response structures to member server].");
//
//Verify MS-APDS requirment:MS-APDS_R15
//
Site.CaptureRequirementIfAreEqual <int>(
5,
(int)validationLevel,
15,
@"Digest response messages MUST be encoded as opaque blobs and transported
by the generic pass-through capability of Netlogon.");
//
//Configured in PTFConfig file,default SHOULD to true and MAY to false.
//
string isR169Implemented = "true";
//
//Check OS version
//
if (isWindows)
{
//
//Verify MS-APDS requirment:MS-APDS_R100169
//
Site.CaptureRequirementIfAreEqual <int>(
5,
(int)validationLevel,
100169,
@"In Windows, the Digest validation protocol uses the generic pass-through mechanism.");
if (null == isR169Implemented)
{
Site.Properties.Add("R169Implemented", Boolean.TrueString);
isR169Implemented = Boolean.TrueString;
}
}
if (null != isR169Implemented)
{
bool implSigns = Boolean.Parse(isR169Implemented);
bool isSatisfied = ((int)_NETLOGON_VALIDATION_INFO_CLASS.NetlogonValidationGenericInfo2 == 5);
//
//Verify MS-APDS requirment:MS-APDS_R169
//
Site.CaptureRequirementIfAreEqual <Boolean>(
implSigns,
isSatisfied,
169,
string.Format(@"The Digest validation protocol SHOULD use the generic pass-through mechanism.
This requirement is {0} implemented.", implSigns ? "" : "not"));
}
byte[] buf;
bool isDigestResStructure = true;
DIGEST_VALIDATION_RESP digestValidationResponse = new DIGEST_VALIDATION_RESP();
// Judge whether the digest response is exist, validationData is response point.
// if validationData equals 0, no response return from NRPC.
if (validationInfomation.Value.ValidationGeneric2 == null)
{
isDigestResStructure = false;
}
else
{
// decrypt validation info
buf = NrpcUtility.DecryptBuffer(
(nrpcClient.Context.NegotiateFlags & NrpcNegotiateFlags.SupportsAESAndSHA2) == NrpcNegotiateFlags.SupportsAESAndSHA2,
nrpcClient.Context.SessionKey,
validationInfomation.Value.ValidationGeneric2[0].ValidationData);
_NETLOGON_VALIDATION decryptValidationInfo = new _NETLOGON_VALIDATION();
decryptValidationInfo.ValidationGeneric2 = new _NETLOGON_VALIDATION_GENERIC_INFO2[1];
decryptValidationInfo.ValidationGeneric2[0].ValidationData = buf;
digestValidationResponse =
ApdsUtility.ConvertDataToDigestValidationResponse(decryptValidationInfo);
VerifyMessageSyntaxDigestValidCredential(digestValidationResponse, validationLevel, (uint)buf.Length);
}
if (result != NtStatus.STATUS_SUCCESS)
{
//
//Verify MS-APDS requirment:MS-APDS_R292
//
Site.CaptureRequirementIfIsFalse(
isDigestResStructure,
292,
"[If unsuccessful]It[DC] MUST NOT send back the DIGEST_VALIDATION_RESP message.");
VerifyMessageSyntxDigestInvalidResp((uint)result, digestValidationResponse.AuthDataSize);
}
return((Status)result);
}
/// <summary>
/// Send KERB_VERIFY_PAC_REQUEST message to DC through generic pass-through mechanism
/// </summary>
/// <param name="serverSignature">Server Signature in the privilege attribute certificate (PAC)</param>
/// <param name="kdcSignature">Key Distribution Center (KDC) Signature in the PAC</param>
/// <returns></returns>
public Status GenerateKerberosValidationRequest(
PAC_SIGNATURE_DATA serverSignature,
PAC_SIGNATURE_DATA kdcSignature)
{
_NETLOGON_LOGON_INFO_CLASS logonLevel = _NETLOGON_LOGON_INFO_CLASS.NetlogonGenericInformation;
_NETLOGON_VALIDATION_INFO_CLASS validationLevel = _NETLOGON_VALIDATION_INFO_CLASS.NetlogonValidationGenericInfo2;
//Get Kerberos Request
KERB_VERIFY_PAC_REQUEST kerberosReq = ApdsUtility.CreateKerbVerifyPacRequest(serverSignature, kdcSignature);
//Create digest validation logon info
_NETLOGON_LEVEL netlogonLevel = ApdsUtility.CreatePacLogonInfo(
NrpcParameterControlFlags.AllowLogonWithComputerAccount,
PrimaryDomainDnsName,
DomainAdministratorName,
PDCNetbiosName,
kerberosReq);
//Create Secure Channel
EstablishSecureChannel();
//Client calls EncryptNetlogonLevel
_NETLOGON_LEVEL encryptedLogonLevel = nrpcClient.EncryptNetlogonLevel(
(_NETLOGON_LOGON_INFO_CLASS)logonLevel,
netlogonLevel);
//Client calls NetrLogonSamLogonEx
_NETLOGON_VALIDATION?validationInfomation;
byte?authoritative;
NrpcNetrLogonSamLogonExtraFlags?extraFlags = NrpcNetrLogonSamLogonExtraFlags.None;
result = nrpcClient.NetrLogonSamLogonEx(
nrpcClient.Handle,
sutComputerName,
clientComputerName,
logonLevel,
encryptedLogonLevel,
validationLevel,
out validationInfomation,
out authoritative,
ref extraFlags);
// Whether this method use pass-through mechanism or not.
bool isPassThroughMethod = false;
//Kerberos PAC validation SHOULD use the generic pass-through mechanism ([MS-NRPC] section 3.2.4.1).
//For generic pass-through, the LogonLevel is 4(NetlogonGenericInformation) as defined in [MS-NRPC] section 3.2.4.1.
//So when the LogonLevel is 4, we can say that NRPC pass-through authentication method is used.
if ((int)logonLevel == 4)
{
isPassThroughMethod = true;
}
Site.CaptureRequirementIfIsTrue(
isPassThroughMethod,
5,
@"For domain support, authentication protocols MUST use an NRPC pass-through authentication
([MS-NRPC] section 3.2) method with parameters determined by the authentication protocol being
used[to return the response structures to member server].");
Site.CaptureRequirementIfAreEqual <int>(
5,
(int)validationLevel,
402,
@"The encoded data SHOULD be sent by using the generic pass-through mechanism ([MS-NRPC] section 3.2.4.1).");
if (result == NtStatus.STATUS_SUCCESS)
{
Site.CaptureRequirementIfIsNull(validationInfomation.Value.ValidationGeneric2[0].ValidationData, 403,
@"If the checksum is verified, the DC MUST return STATUS_SUCCESS. There is no return message.");
}
return((Status)result);
}
/// <summary>
/// Verify response data structure for NTLM is NetlogonValidationSamInfo2 or NetlogonValidationSamInfo4
/// </summary>
/// <param name="validationLevel">request validation data structure level</param>
/// <param name="logonLevel">request logon level</param>
private void VerifyNTLMDataStructure(
_NETLOGON_VALIDATION_INFO_CLASS validationLevel,
_NETLOGON_LOGON_INFO_CLASS logonLevel)
{
if (validationLevel == _NETLOGON_VALIDATION_INFO_CLASS.NetlogonValidationSamInfo)
{
//
//Verify MS-APDS requirment:MS-APDS_R100136
//
Site.CaptureRequirementIfAreEqual <_NETLOGON_VALIDATION_INFO_CLASS>(
_NETLOGON_VALIDATION_INFO_CLASS.NetlogonValidationSamInfo,
validationLevel,
100136,
@"If there is a successful match[the local copy of password matches with the one sent in the
request ], the domain controller MUST return data with ValidationInformation containing a reference
to NETLOGON_VALIDATION_SAM_INFO ([MS-NRPC] section 2.2.1.4.11), if the ValidationLevel in the
request is NetlogonValidationSamInfo.");
}
if (validationLevel == _NETLOGON_VALIDATION_INFO_CLASS.NetlogonValidationSamInfo2)
{
//
//Verify MS-APDS requirment:MS-APDS_R136
//this capture function is invoked when the return value is success,
//It means that the local copy of password must match with the one sent in the request
//
Site.CaptureRequirementIfAreEqual <_NETLOGON_VALIDATION_INFO_CLASS>(
_NETLOGON_VALIDATION_INFO_CLASS.NetlogonValidationSamInfo2,
validationLevel,
136,
@"If the local copy of password matches with the one sent in the request, and the ValidationLevel in
the request is NetlogonValidationSamInfo2, then domain controller MUST return data with ValidationInformation
containing a reference to NETLOGON_VALIDATION_SAM_INFO2.");
}
if (validationLevel == _NETLOGON_VALIDATION_INFO_CLASS.NetlogonValidationSamInfo4)
{
//
//Verify MS-APDS requirment:MS-APDS_R135
//
Site.CaptureRequirementIfAreEqual <_NETLOGON_VALIDATION_INFO_CLASS>(
_NETLOGON_VALIDATION_INFO_CLASS.NetlogonValidationSamInfo4,
validationLevel,
135,
@"If the local copy of password matches with the one sent in the request, and the ValidationLevel
in the request is NetlogonValidationSamInfo4, then domain controller MUST return data with
ValidationInformation containing a reference to NETLOGON_VALIDATION_SAM_INFO4.");
//
//Verify MS-APDS requirment:MS-APDS_R122
//
Site.CaptureRequirementIfAreEqual <_NETLOGON_VALIDATION_INFO_CLASS>(
_NETLOGON_VALIDATION_INFO_CLASS.NetlogonValidationSamInfo4,
validationLevel,
122,
@"The DC MUST send the NETLOGON_VALIDATION_SAM_INFO4 structures back to the NTLM server");
if (logonLevel == _NETLOGON_LOGON_INFO_CLASS.NetlogonNetworkInformation)
{
//
//Configured in PTFConfig file,default SHOULD to true and MAY to false.
//
string isR120Implemented = "true";
//
//Check OS version
//
if (isWindows)
{
//
//Verify MS-APDS requirment:MS-APDS_R100120
//
Site.CaptureRequirementIfAreEqual <int>(
6,
(int)validationLevel,
100120,
@"In Windows, in NTLM Network logon, NETLOGON_VALIDATION_SAM_INFO4 data structures are
returned by the server.");
if (null == isR120Implemented)
{
Site.Properties.Add("R120Implemented", Boolean.TrueString);
isR120Implemented = Boolean.TrueString;
}
}
if (null != isR120Implemented)
{
bool implSigns = Boolean.Parse(isR120Implemented);
bool isSatisfied = ((int)_NETLOGON_VALIDATION_INFO_CLASS.NetlogonValidationSamInfo4 == 6);
//
//Verify MS-APDS requirment:MS-APDS_R120
//
Site.CaptureRequirementIfAreEqual <Boolean>(
implSigns,
isSatisfied,
120,
string.Format(@"In NTLM Network logon, NETLOGON_VALIDATION_SAM_INFO4 data structures SHOULD be returned
by the server. This requirement is {0} implemented.", implSigns? "":"not"));
}
}
}
}
/// <summary>
/// Send NTLM request message to DC for validation.
/// </summary>
/// <param name="logonLevel">Indicates the logon level.</param>
/// <param name="accountInfo">Indicates whether this account is valid in DC validation.</param>
/// <param name="isAccessCheckSuccess">Indicates whether the access checked success.</param>
/// <param name="validationLevel">Indicates the validation level.</param>
/// <returns>Indicates the result status of DC response.</returns>
public Status NTLMLogon(
_NETLOGON_LOGON_INFO_CLASS logonLevel,
AccountInformation accountInfo,
Boolean isAccessCheckSuccess,
_NETLOGON_VALIDATION_INFO_CLASS validationLevel)
{
//Compute the password
GenerateCurrentCredentials(accountInfo);
//Create Secure Channel
EstablishSecureChannel();
_NETLOGON_LEVEL netLogonLevel = new _NETLOGON_LEVEL();
if (logonLevel == _NETLOGON_LOGON_INFO_CLASS.NetlogonInteractiveInformation)
{
//Fill InteractiveInfo
netLogonLevel = ApdsUtility.CreateNlmpInteractiveLogonInfo(
NrpcParameterControlFlags.AllowLogonWithComputerAccount,
sutTrustDomainName,
currentUserName,
currentPassword,
sutComputerName);
}
else if (logonLevel == _NETLOGON_LOGON_INFO_CLASS.NetlogonNetworkInformation)
{
//Fill Netlogon_Network_Info
if (accountInfo == AccountInformation.ManagedServiceAccount)
{
netLogonLevel = nrpcClient.CreateNetlogonLevel(
_NETLOGON_LOGON_INFO_CLASS.NetlogonNetworkInformation,
NrpcParameterControlFlags.AllowLogonWithComputerAccount,
sutDomainName, // managed service account is created in the local domain
currentUserName,
currentPassword);
}
else
{
netLogonLevel = nrpcClient.CreateNetlogonLevel(
_NETLOGON_LOGON_INFO_CLASS.NetlogonNetworkInformation,
NrpcParameterControlFlags.AllowLogonWithComputerAccount,
sutTrustDomainName,
currentUserName,
currentPassword);
}
}
_NETLOGON_LEVEL encryptedLogonLevel = nrpcClient.EncryptNetlogonLevel(
logonLevel,
netLogonLevel);
byte?authoritative;
_NETLOGON_VALIDATION? validationInformation = new _NETLOGON_VALIDATION();
NrpcNetrLogonSamLogonExtraFlags?extraFlags = NrpcNetrLogonSamLogonExtraFlags.None;
result = nrpcClient.NetrLogonSamLogonEx(
nrpcClient.Handle,
sutComputerName,
clientComputerName,
logonLevel,
encryptedLogonLevel,
validationLevel,
out validationInformation,
out authoritative,
ref extraFlags);
// Whether this method use pass-through mechanism or not.
bool isPassThroughMethod = false;
//
//For NTLM pass-through, the LogonLevel is 1(NetlogonInteractiveInformation) or 2(NetlogonNetworkInformation)
//based on Interactive Logono and Network Logon,as defined in [MS-APDS] section 3.1.5.1 and section 3.1.5.2.
//So when the LogonLevel is 1 or 2, we can say that NRPC pass-through authentication method is used.
//
if ((int)logonLevel == 1 || (int)logonLevel == 2)
{
isPassThroughMethod = true;
}
//
//Verify MS-APDS requirment:MS-APDS_R5
//
Site.CaptureRequirementIfIsTrue(
isPassThroughMethod,
5,
@"For domain support, authentication protocols MUST use an NRPC pass-through authentication
([MS-NRPC] section 3.2) method with parameters determined by the authentication protocol being
used[to return the response structures to member server].");
//
//Verify MS-APDS requirment:MS-APDS_R118
//if isPassThroughMethod is true, this requirement can be verified.
//
Site.CaptureRequirementIfIsTrue(
isPassThroughMethod,
118,
@"NT LAN Manager (NTLM) interactive logon and network logon MUST receive the authentication
response sequence by contacting the DC using an NRPC pass-through authentication method .");
if (result == NtStatus.STATUS_SUCCESS)
{
if (validationLevel == _NETLOGON_VALIDATION_INFO_CLASS.NetlogonValidationSamInfo4)
{
VerifyNTLMDataStructure(validationLevel, logonLevel);
VerifyMessageSyntxNTLMValidV4Resp(
validationInformation.Value.ValidationSam4[0].UserSessionKey.data[0].data,
validationInformation.Value.ValidationSam4[0].EffectiveName.ToString());
}
else if (validationLevel == _NETLOGON_VALIDATION_INFO_CLASS.NetlogonValidationSamInfo2)
{
VerifyNTLMDataStructure(validationLevel, logonLevel);
}
else if (validationLevel == _NETLOGON_VALIDATION_INFO_CLASS.NetlogonValidationSamInfo)
{
VerifyNTLMDataStructure(validationLevel, logonLevel);
}
}
return((Status)result);
}
/// <summary>
/// Helper function to verify all the server end-point requirements for Digest Validation
/// when valid credentials are provided.
/// </summary>
/// <param name="digestResponseStructure">The digest response structure as DIGEST_VALIDATION_RESP.</param>
/// <param name="validationlevel">The validation level for digest validation.</param>
/// <param name="digestResponseLength">The length of digest response.</param>
private void VerifyMessageSyntaxDigestValidCredential(
DIGEST_VALIDATION_RESP digestResponseStructure,
_NETLOGON_VALIDATION_INFO_CLASS validationlevel,
uint digestResponseLength)
{
//
// Verify R95
//
Site.CaptureRequirementIfAreEqual <uint>(
// The expected MessageType V2 is equal to 0x0000000a.
(uint)MessageType.V2,
//digestResponseStructure.messageType,
(uint)digestResponseStructure.MessageType,
95,
@"'MessageType' filed in the DIGEST_VALIDATION_RESP Message is a 32-bit unsigned integer that MUST
specify the Digest validation message type.");
//
// Verify R96
//
Site.CaptureRequirementIfAreEqual <uint>(
// The expected MessageType V2 is equal to 0x0000000a.
(uint)MessageType.V2,
(uint)digestResponseStructure.MessageType,
96,
@"The value of the 'MessageType' field in the DIGEST_VALIDATION_RESP Message MUST
be 0x00000000A.");
//
// Verify R97
//
Site.CaptureRequirementIfAreEqual <ushort>(
// The expected Version V1 is equal to 0x0001.
(ushort)Version.V1,
(ushort)digestResponseStructure.Version,
97,
@"'Version' filed in the DIGEST_VALIDATION_RESP Message is a 16-bit unsigned integer
that MUST specify the version of the Digest validation protocol.");
//
// Verify R98
//
Site.CaptureRequirementIfAreEqual <ushort>(
// The expected Version V1 is equal to 0x0001.
(ushort)Version.V1,
(ushort)digestResponseStructure.Version,
98,
@"The value of 'Version' field in the DIGEST_VALIDATION_RESP Message MUST be 0x0001.");
//
// Verify R249
//
Site.CaptureRequirementIfAreEqual <uint>(
// The expected Pad2 equals 0.
0,
(uint)digestResponseStructure.Pad2,
249,
@"[For 'Pad2' filed in the DIGEST_VALIDATION_RESP Message] The value of this member MUST be set to
zero when sent.");
// The length of expected session key.
ushort currentSessionKeyLength = (ushort)(digestResponseStructure.SessionKey.Length +
//Marshal.SizeOf(digestResponseStructure.SessionKey_NULL_terminator));
Marshal.SizeOf((byte)digestResponseStructure.SessionKey_NULL_terminator));
//
// Verify R101
//
Site.CaptureRequirementIfAreEqual <ushort>(
currentSessionKeyLength,
digestResponseStructure.SessionKeyLength,
101,
@"'SessionKeyLength' field in the DIGEST_VALIDATION_RESP Message is a 16-bit unsigned integer that MUST
specify the number of bytes of the 'SessionKey field' in the DIGEST_VALIDATION_RESP message plus a
terminating null character.");
//
// Verify R252
//
Site.CaptureRequirementIfAreEqual <uint>(
// The length of digest session buff.
33,
digestResponseStructure.SessionKeyLength,
252,
@"For the value in SessionKeyLength field of the DIGEST_VALIDATION_RESP Message]It
MUST be equal to 33.");
//
// Verify R254
//
Site.CaptureRequirementIfAreEqual <uint>(
// The expected Pad3 equals 0.
0,
(uint)digestResponseStructure.Pad3,
254,
@"[For 'Pad3' filed in the DIGEST_VALIDATION_RESP Message] The value of this member MUST be set to zero when sent.");
//
// Verify R102
//
Site.CaptureRequirementIfAreEqual <uint>(
(uint)digestResponseStructure.AuthData.Length,
digestResponseStructure.AuthDataSize,
102,
@"'AuthDataSize' field in the DIGEST_VALIDATION_RESP Message is a 32-bit unsigned integer that MUST
specify the number of bytes of the 'AuthData' field in this( DIGEST_VALIDATION_RESP ) message.");
//
// Verify R103
//
Site.CaptureRequirementIfAreEqual <ushort>(
(ushort)digestResponseStructure.AccountName.Length,
digestResponseStructure.AcctNameSize,
103,
@"'AcctNameSize' field in the DIGEST_VALIDATION_RESP Message is a 16-bit unsigned integer that MUST
specify the number of bytes of the AccountName field in this( DIGEST_VALIDATION_RESP ) message.");
//
// Verify R104
//
Site.CaptureRequirementIfAreEqual <ushort>(
// The expected Reserved1 V1 is equal to 0.
(ushort)Reserved1.V1,
(ushort)digestResponseStructure.Reserved1,
104,
@"The value of this member['Reserved1' field in the DIGEST_VALIDATION_RESP Message] MUST be set to zero when sent.");
//
// Verify R106
//
Site.CaptureRequirementIfAreEqual <uint>(
digestResponseLength,
digestResponseStructure.MessageSize,
106,
@"'MessageSize' field in the DIGEST_VALIDATION_RESP Message is a 32-bit unsigned integer that MUST
specify the number of bytes in the entire DIGEST_VALIDATION_RESP message.");
//
// Verify R107
//
Site.CaptureRequirementIfAreEqual <uint>(
// The expected Reserved3 V1 is equal to 0.
(uint)Resp_Reserved3.V1,
(uint)digestResponseStructure.Reserved3,
107,
@"'Reserved3' field in the DIGEST_VALIDATION_RESP Message is a 32-bit unsigned integer field reserved
for future use , the value of this member MUST be set to zero when sent.");
//
// Verify R109
//
Site.CaptureRequirementIfAreEqual <string>(
digestSessionKey.ToString(),
Encoding.ASCII.GetString(digestResponseStructure.SessionKey),
109,
@"'SessionKey' field in the DIGEST_VALIDATION_RESP Message is a 32-byte buffer that
MUST contain the Digest SessionKey.");
// Get the max length of session key.
int maxSessionKeyLength = 32;
//
// Verify R110
// Judge whether the size of SessionKeyLength in response structure equals the actual session key length.
Boolean isSessionkeyVerified = ((digestResponseStructure.SessionKey.Length <= maxSessionKeyLength) &&
(digestResponseStructure.SessionKeyLength == digestResponseStructure.SessionKey.Length
+ Marshal.SizeOf((byte)digestResponseStructure.SessionKey_NULL_terminator)));
Site.Log.Add(
LogEntryKind.Comment,
"R110, sessionKey length value: {0}, max session length value: {1}",
digestResponseStructure.SessionKey.Length.ToString(),
maxSessionKeyLength.ToString());
Site.CaptureRequirementIfIsTrue(
isSessionkeyVerified,
110,
@"The size of the 'SessionKey' buffer in the DIGEST_VALIDATION_RESP Message is
specified by the 'SessionKeyLength' field.");
//
// Verify R257
//
Site.CaptureRequirementIfAreEqual <uint>(
// If the validation status is success, the essionKey NULL terminator must be 0.
0,
(uint)digestResponseStructure.SessionKey_NULL_terminator,
257,
@"For the 'SessionKey NULL terminator' field in the DIGEST_VALIDATION_RESP Message,
the value MUST be set to 0.");
//
// Verify R111
//
Site.CaptureRequirementIfAreEqual <ulong>(
// The expected Pad1 V1 is equal to 0.
(ulong)Pad1.V1,
(ulong)digestResponseStructure.Pad1,
111,
@"'Pad1' field in the DIGEST_VALIDATION_RESP Message is an unused 64-bit unsigned integer.
The value of this member MUST be set to zero when sent.");
// Judge whether AuthData in response contains PAC.
Boolean isAuthDataContainPAC = digestResponseStructure.AuthData.Length > 0 &&
digestResponseStructure.AuthDataSize == (uint)digestResponseStructure.AuthData.Length;
//
// Verify R113
//
Site.Log.Add(
LogEntryKind.Comment,
"R113, expected value: {0}, actual value: {1}, the authdata size is {2}.", "true",
isAuthDataContainPAC, digestResponseStructure.AuthDataSize.ToString());
// If the validation status is success, the judge variable isAuthDataContainPAC must be true.
Site.CaptureRequirementIfIsTrue(
isAuthDataContainPAC,
113,
@"'AuthData' field in the DIGEST_VALIDATION_RESP Message MUST contain a PACTYPE structure ([MS-PAC]).");
//
// Verify R100113
//
Site.Log.Add(LogEntryKind.Comment,
"R100113, expected value: {0}, actual value: {1}, the authdata size is {2}.", "true",
isAuthDataContainPAC, digestResponseStructure.AuthDataSize.ToString());
// If the validation status is success, the judge variable isAuthDataContainPAC must be true.
Site.CaptureRequirementIfIsTrue(
isAuthDataContainPAC,
100113,
@"The length of the PACTYPE structure MUST be specified by the 'AuthDataSize' field.");
//Get the string of NetBIOS name of user account.
string[] str1 = sutDomainName.Split('.');
string NetBIOSUserName = str1[0].ToLower() + "\\" + currentUserName.ToLower() + "\0";
//The string of NetBIOS name of user account in response structure.
string actualUserName = Encoding.Unicode.GetString(digestResponseStructure.AccountName).ToLower();
//
// Verify R115
//
Site.CaptureRequirementIfAreEqual <string>(
NetBIOSUserName,
actualUserName,
115,
@"The length of 'AccountName' [in the DIGEST_VALIDATION_RESP Message] MUST be specified by the 'AcctNameSize' field.");
//
// Verify R116
//
Site.CaptureRequirementIfAreEqual <ushort>(
digestResponseStructure.AcctNameSize,
(ushort)digestResponseStructure.AccountName.Length,
116,
@"The length of 'AccountName'[in the DIGEST_VALIDATION_RESP Message] MUST be
specified by the 'AcctNameSize' field.");
//
// Verify R100171
//
Site.CaptureRequirementIfAreEqual <uint>(
(uint)Status.Success,
digestResponseStructure.Status,
171,
@"The DIGEST_VALIDATION_RESP message MUST contain the status of authentication validation");
//
// Verify R187
//
Site.Log.Add(LogEntryKind.Comment, "R187, whether response structure is null.");
// The DIGEST_VALIDATION_RESP structure is a contiguous structure.
// If the validation status is success, the response buffer must be not null.
Site.CaptureRequirementIfIsNotNull(
digestResponseStructure,
187,
@"The Digest validation response message DIGEST_VALIDATION_RESP MUST be packed as a contiguous buffer");
//
// Verify R189
//
Site.CaptureRequirementIfAreEqual <_NETLOGON_VALIDATION_INFO_CLASS>(
_NETLOGON_VALIDATION_INFO_CLASS.NetlogonValidationGenericInfo2,
validationlevel,
189,
@"The Digest validation response message is sent by using the generic pass-through
mechanism, as specified in [MS-NRPC] section 3.2.4.1.");
//
// Verify R172
//For [MS-APDS] section 2.2.3.2: The AuthData field MUST contain a PACTYPE structure ([MS-PAC] section 2.3).
//It means the AuthData field contains the authorization information.
//So AuthData field which specify the number of bytes of the AuthData field AuthDataSize is more than 0.
//
Site.CaptureRequirementIfIsTrue(
digestResponseStructure.AuthDataSize > 0,
172,
"On success of authentication, the DIGEST_VALIDATION_RESP message MUST also contain the user's authorization information<19>");
//
// Verify R100185
//For [MS-APDS] section 2.2.3.2: The AuthData field MUST contain a PACTYPE structure ([MS-PAC] section 2.3).
//It means the AuthData field contains the authorization information.
//So AuthData field which specify the number of bytes of the AuthData field AuthDataSize is more than 0.
Site.CaptureRequirementIfIsTrue(
digestResponseStructure.AuthDataSize > 0,
100185,
@"If validation is successful, authorization information for the user's account (the PAC) MUST be sent back to the Digest server.");
}
/// <summary>
/// The NetrLogonSamLogonWithFlags method Supported in windows_xpwindows_server_2003,
/// windows_vista, windows_server_2008, windows_7, and
/// windows_server_7. handles logon requests for the SAM
/// accounts. Opnum: 45
/// </summary>
/// <param name="logonServer">
/// The custom RPC binding handle.
/// </param>
/// <param name="computerName">
/// The Unicode string that contains the NetBIOS name of
/// the client computer calling this method.
/// </param>
/// <param name="authenticator">
/// A pointer to a NETLOGON_AUTHENTICATOR structure,
/// that contains the client authenticator.
/// </param>
/// <param name="returnAuthenticator">
/// A pointer to a NETLOGON_AUTHENTICATOR structure,
/// that contains the server return
/// authenticator.
/// </param>
/// <param name="logonLevel">
/// A NETLOGON_LOGON_INFO_CLASS structure,
/// that specifies the type of logon information
/// passed in the LogonInformation parameter.
/// </param>
/// <param name="logonInformation">
/// A pointer to a NETLOGON_LEVEL structure,
/// that describes the logon request information.
/// </param>
/// <param name="validationLevel">
/// A NETLOGON_VALIDATION_INFO_CLASS enumerated type,
/// that contains the validation
/// level requested by the client.
/// </param>
/// <param name="validationInformation">
/// A pointer to a NETLOGON_VALIDATION structure,
/// that describes the user validation information
/// returned to the client. The type of the NETLOGON_VALIDATION
/// used is determined by the value of the ValidationLevel
/// parameter.
/// </param>
/// <param name="authoritative">
/// A pointer to a char value representing a Boolean condition.
/// FALSE is indicated by the value 0x00; TRUE SHOULD be
/// indicated by the value 0x01 and MAY also be indicated
/// by any nonzero value. Windows uses the value of 0x01
/// as the representation of TRUE and 0x00 for FALSE. This
/// Boolean value indicates whether the validation information
/// is final. This field is necessary because the request
/// might be forwarded through multiple servers. A value
/// of TRUE indicates that the validation information is
/// final and MUST remain unchanged.
/// </param>
/// <param name="extraFlags">
/// A pointer to a set of bit flags that specify delivery
/// settings. A flag is TRUE (or set) if its value is equal
/// to 1. The value is constructed from zero or more bit
/// flags from the following table.
/// </param>
/// <returns>
/// The method returns 0x00000000 on success;
/// otherwise, it returns a nonzero error code.
/// </returns>
public NtStatus NetrLogonSamLogonWithFlags(
string logonServer,
string computerName,
_NETLOGON_AUTHENTICATOR? authenticator,
ref _NETLOGON_AUTHENTICATOR? returnAuthenticator,
_NETLOGON_LOGON_INFO_CLASS logonLevel,
_NETLOGON_LEVEL? logonInformation,
_NETLOGON_VALIDATION_INFO_CLASS validationLevel,
out _NETLOGON_VALIDATION? validationInformation,
out byte? authoritative,
ref NrpcNetrLogonSamLogonExtraFlags? extraFlags)
{
uint? flags = (uint?)extraFlags;
NtStatus status = rpc.NetrLogonSamLogonWithFlags(
logonServer,
computerName,
authenticator,
ref returnAuthenticator,
logonLevel,
logonInformation,
validationLevel,
out validationInformation,
out authoritative,
ref flags);
context.ConnectionStatus = status;
extraFlags = (NrpcNetrLogonSamLogonExtraFlags?)flags;
return status;
}
/// <summary>
/// The NetrLogonSamLogonEx method Supported in windows_2000_server,
/// windows_xp, windows_server_2003, windows_vista, windows_server_2008,
/// windows_7, and windows_server_7. provides an extension
/// to NetrLogonSamLogon that accepts an extra flags parameter
/// and uses Secure RPC ([MS-RPCE]) instead of
/// Netlogon authenticators. This method handles logon
/// requests for the SAM accounts and allows for generic
/// pass-through authentication.
/// For more information about fields and structures
/// used by Netlogon pass-through methods.
/// Opnum: 39
/// </summary>
/// <param name="contextHandle">
/// A primitive RPC handle that identifies a particular
/// client/server binding.
/// </param>
/// <param name="logonServer">
/// The null-terminated Unicode string that contains the
/// NetBIOS name of the server that will handle the logon
/// request.
/// </param>
/// <param name="computerName">
/// The null-terminated Unicode string that contains the
/// NetBIOS name of the client computer sending the logon
/// request.
/// </param>
/// <param name="logonLevel">
/// A NETLOGON_LOGON_INFO_CLASS structure,
/// that specifies the type of the logon information
/// passed in the LogonInformation parameter.
/// </param>
/// <param name="logonInformation">
/// A pointer to a NETLOGON_LEVEL structure,
/// that describes the logon request information.
/// </param>
/// <param name="validationLevel">
/// A NETLOGON_VALIDATION_INFO_CLASS enumerated type,
/// that contains the validation
/// level requested by the client.
/// </param>
/// <param name="validationInformation">
/// A pointer to a NETLOGON_VALIDATION structure,
/// that describes the user validation information
/// returned to the client. The type of the NETLOGON_VALIDATION
/// used is determined by the value of the ValidationLevel
/// parameter.
/// </param>
/// <param name="authoritative">
/// A pointer to a char value that represents a Boolean
/// condition. FALSE is indicated by the value 0x00, and
/// TRUE SHOULDwindows uses the value 0x01 as the representation
/// of TRUE and 0x00 for FALSE. be indicated by the value
/// 0x01 and MAY also be indicated by any nonzero value.
/// This Boolean value indicates whether the validation
/// information is final. This field is necessary because
/// the request might be forwarded through multiple servers.
/// The value TRUE indicates that the validation information
/// is final and MUST remain unchanged. The Authoritative
/// parameter indicates whether the response to this call
/// is final or if the same request can be sent to another
/// server. The value SHOULD be set to FALSE if the server
/// encounters a transient error, and the client can resend
/// the request to another server. If the same request
/// is known to fail in all subsequent requests, the server
/// SHOULD return TRUE.
/// </param>
/// <param name="extraFlags">
/// A pointer to a set of bit flags that specify delivery
/// settings. A flag is TRUE (or set) if its value is equal
/// to 1. Output flags MUST be the same as input. The value
/// is constructed from zero or more bit flags from the
/// following table.
/// </param>
/// <returns>
/// The method returns 0x00000000 on success;
/// otherwise, it returns a nonzero error code.
/// </returns>
public NtStatus NetrLogonSamLogonEx(
IntPtr contextHandle,
string logonServer,
string computerName,
_NETLOGON_LOGON_INFO_CLASS logonLevel,
_NETLOGON_LEVEL? logonInformation,
_NETLOGON_VALIDATION_INFO_CLASS validationLevel,
out _NETLOGON_VALIDATION? validationInformation,
out byte? authoritative,
ref NrpcNetrLogonSamLogonExtraFlags? extraFlags)
{
uint? flags = (uint?)extraFlags;
NtStatus status = rpc.NetrLogonSamLogonEx(
contextHandle,
logonServer,
computerName,
logonLevel,
logonInformation,
validationLevel,
out validationInformation,
out authoritative,
ref flags);
context.ConnectionStatus = status;
extraFlags = (NrpcNetrLogonSamLogonExtraFlags?)flags;
return status;
}
/// <summary>
/// The NetrLogonSamLogon method This method was used in
/// windows_nt_4_0. It was superseded by the NetrLogonSamLogonWithFlags
/// method in windows_2000_server, windows_xp,
/// windows_server_2003, windows_vista, and windows_server_2008,
/// windows_7, and windows_server_7. is a predecessor to
/// the NetrLogonSamLogonWithFlags method. All
/// parameters of this method have the same meanings as
/// the identically named parameters of the NetrLogonSamLogonWithFlags
/// method. Opnum: 2
/// </summary>
/// <param name="logonServer">
/// LogonServer parameter.
/// </param>
/// <param name="computerName">
/// ComputerName parameter.
/// </param>
/// <param name="authenticator">
/// Authenticator parameter.
/// </param>
/// <param name="returnAuthenticator">
/// ReturnAuthenticator parameter.
/// </param>
/// <param name="logonLevel">
/// LogonLevel parameter.
/// </param>
/// <param name="logonInformation">
/// LogonInformation parameter.
/// </param>
/// <param name="validationLevel">
/// ValidationLevel parameter.
/// </param>
/// <param name="validationInformation">
/// ValidationInformation parameter.
/// </param>
/// <param name="authoritative">
/// Authoritative parameter.
/// </param>
/// <returns>
/// The method returns 0x00000000 on success;
/// otherwise, it returns a nonzero error code.
/// </returns>
public NtStatus NetrLogonSamLogon(
string logonServer,
string computerName,
_NETLOGON_AUTHENTICATOR? authenticator,
ref _NETLOGON_AUTHENTICATOR? returnAuthenticator,
_NETLOGON_LOGON_INFO_CLASS logonLevel,
_NETLOGON_LEVEL? logonInformation,
_NETLOGON_VALIDATION_INFO_CLASS validationLevel,
out _NETLOGON_VALIDATION? validationInformation,
out byte? authoritative)
{
NtStatus status = rpc.NetrLogonSamLogon(
logonServer,
computerName,
authenticator,
ref returnAuthenticator,
logonLevel,
logonInformation,
validationLevel,
out validationInformation,
out authoritative);
//ConnectionStatus: A 4-byte value that contains the most recent
//connection status return value (section 3.4.5.3.1) last returned
//during secure channel establishment or by a method requiring
//session key establishment (section 3.1.4.6).
context.ConnectionStatus = status;
return status;
}
/// <summary>
/// Decrypt a _NETLOGON_VALIDATION structure based on
/// validationInformation parameter in Nrpc NetrlogonSamLogonXXX API.
/// </summary>
/// <param name="validationInfoClass">
/// Validation Info Class
/// </param>
/// <param name="validationInformation">
/// Validation info returned from NetrlogonSamLogonXXX API
/// </param>
/// <returns>Decrypted _NETLOGON_VALIDATION data structure</returns>
/// <exception cref="InvalidOperationException">
/// Thrown when the method is called before establishing a NRPC secure channel.
/// </exception>>
/// <exception cref="ArgumentException">
/// Thrown when input invalid validationInformation argument
/// </exception>>
public _NETLOGON_VALIDATION DecryptNetlogonValidation(
_NETLOGON_VALIDATION_INFO_CLASS validationInfoClass,
_NETLOGON_VALIDATION validationInformation)
{
ValidateSecureChannelExists();
switch (validationInfoClass)
{
case _NETLOGON_VALIDATION_INFO_CLASS.NetlogonValidationGenericInfo:
case _NETLOGON_VALIDATION_INFO_CLASS.NetlogonValidationGenericInfo2:
//If the LogonLevel is NetlogonGenericInformation,
//then encrypt<104> the LogonData member in the
//NETLOGON_GENERIC_INFO structure.
if (validationInformation.ValidationGeneric2 == null
|| validationInformation.ValidationGeneric2.Length != 1)
{
throw new ArgumentException("validationInformation is invalid.", "validationInformation");
}
if (validationInformation.ValidationGeneric2[0].ValidationData == null)
{
throw new ArgumentException("validationInformation is invalid.", "validationInformation");
}
validationInformation.ValidationGeneric2[0].ValidationData = NrpcUtility.DecryptBuffer(
(context.NegotiateFlags & NrpcNegotiateFlags.SupportsAESAndSHA2)
== NrpcNegotiateFlags.SupportsAESAndSHA2,
context.SessionKey,
validationInformation.ValidationGeneric2[0].ValidationData);
break;
//If the LogonLevel is NetlogonNetworkInformation or
//NetlogonNetworkTransitiveInformation, then encrypt the
//UserSessionKey and the first two elements of the
//ExpansionRoom array in the NETLOGON_VALIDATION_SAM_INFO
//(section 2.2.1.4.11) or in the NETLOGON_VALIDATION_SAM_INFO2
//(section 2.2.1.4.12) structure.
case _NETLOGON_VALIDATION_INFO_CLASS.NetlogonValidationSamInfo:
if (validationInformation.ValidationSam == null
|| validationInformation.ValidationSam.Length != 1)
{
throw new ArgumentException("validationInformation is invalid.", "validationInformation");
}
validationInformation.ValidationSam[0].UserSessionKey =
DecryptUserSessionKey(validationInformation.ValidationSam[0].UserSessionKey);
validationInformation.ValidationSam[0].ExpansionRoom =
DecryptExpansionRoom(validationInformation.ValidationSam[0].ExpansionRoom);
break;
case _NETLOGON_VALIDATION_INFO_CLASS.NetlogonValidationSamInfo2:
if (validationInformation.ValidationSam2 == null
|| validationInformation.ValidationSam2.Length != 1)
{
throw new ArgumentException("validationInformation is invalid.", "validationInformation");
}
validationInformation.ValidationSam2[0].UserSessionKey =
DecryptUserSessionKey(validationInformation.ValidationSam2[0].UserSessionKey);
validationInformation.ValidationSam2[0].ExpansionRoom =
DecryptExpansionRoom(validationInformation.ValidationSam2[0].ExpansionRoom);
break;
case _NETLOGON_VALIDATION_INFO_CLASS.NetlogonValidationSamInfo4:
case _NETLOGON_VALIDATION_INFO_CLASS.NetlogonValidationUasInfo:
// no encrypted field
break;
default:
throw new ArgumentException("validationInfoClass is invalid.", "validationInfoClass");
}
return validationInformation;
}
