134 lines
4.8 KiB
C#
134 lines
4.8 KiB
C#
using NSspi.Contexts;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Runtime.InteropServices;
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using System.Text;
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using System.Threading.Tasks;
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namespace NSspi
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{
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public class NativeMethods
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{
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// http://msdn.microsoft.com/en-us/library/windows/desktop/aa374713(v=vs.85).aspx
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// The REMSSPI sample:
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// A C++ pure client/server example:
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// http://msdn.microsoft.com/en-us/library/windows/desktop/aa380536(v=vs.85).aspx
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/*
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SECURITY_STATUS sResult = AcquireCredentialsHandle(
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NULL, // [in] name of principal. NULL = principal of current security context
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pszPackageName, // [in] name of package
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fCredentialUse, // [in] flags indicating use.
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NULL, // [in] pointer to logon identifier. NULL = we're not specifying the id of another logon session
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NULL, // [in] package-specific data. NULL = default credentials for security package
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NULL, // [in] pointer to GetKey function. NULL = we're not using a callback to retrieve the credentials
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NULL, // [in] value to pass to GetKey
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this->credentialHandle, // [out] credential handle (this must be already allocated)
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&tsExpiry // [out] lifetime of the returned credentials
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);
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SECURITY_STATUS SEC_Entry AcquireCredentialsHandle(
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_In_ SEC_CHAR *pszPrincipal,
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_In_ SEC_CHAR *pszPackage,
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_In_ ULONG fCredentialUse,
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_In_ PLUID pvLogonID,
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_In_ PVOID pAuthData,
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_In_ SEC_GET_KEY_FN pGetKeyFn,
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_In_ PVOID pvGetKeyArgument,
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_Out_ PCredHandle phCredential,
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_Out_ PTimeStamp ptsExpiry
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);
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*/
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[DllImport(
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"Secur32.dll",
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EntryPoint = "AcquireCredentialsHandle",
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CallingConvention = CallingConvention.Winapi,
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CharSet = CharSet.Unicode,
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SetLastError = true
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)]
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public static extern SecurityStatus AcquireCredentialsHandle(
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string principleName,
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string packageName,
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CredentialUse credentialUse,
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IntPtr loginId,
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IntPtr packageData,
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IntPtr getKeyFunc,
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IntPtr getKeyData,
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ref long credentialHandle,
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ref long expiry
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);
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/*
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SECURITY_STATUS SEC_Entry FreeCredentialsHandle(
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_In_ PCredHandle phCredential
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);
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*/
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[DllImport(
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"Secur32.dll",
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EntryPoint = "FreeCredentialsHandle",
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CallingConvention = CallingConvention.Winapi,
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CharSet = CharSet.Unicode,
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SetLastError = true
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)]
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public static extern SecurityStatus FreeCredentialsHandle(
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ref long credentialHandle
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);
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/*
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SECURITY_STATUS SEC_Entry FreeContextBuffer(
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_In_ PVOID pvContextBuffer
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);
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*/
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[DllImport(
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"Secur32.dll",
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EntryPoint = "FreeContextBuffer",
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CallingConvention = CallingConvention.Winapi,
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CharSet = CharSet.Unicode,
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SetLastError = true
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)]
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public static extern SecurityStatus FreeContextBuffer( IntPtr buffer );
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/*
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SECURITY_STATUS SEC_Entry QueryCredentialsAttributes(
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_In_ PCredHandle phCredential,
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_In_ ULONG ulAttribute,
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_Out_ PVOID pBuffer
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);
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*/
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/// <summary>
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/// The overload of the QueryCredentialsAttribute method that is used for querying the name attribute.
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/// In this call, it takes a void* to a structure that contains a wide char pointer. The wide character
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/// pointer is allocated by the SSPI api, and thus needs to be released by a call to FreeContextBuffer().
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/// </summary>
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/// <param name="credentialHandle"></param>
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/// <param name="attributeName"></param>
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/// <param name="name"></param>
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/// <returns></returns>
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[DllImport(
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"Secur32.dll",
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EntryPoint = "QueryCredentialsAttributes",
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CallingConvention = CallingConvention.Winapi,
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CharSet = CharSet.Unicode,
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SetLastError = true
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)]
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public static extern SecurityStatus QueryCredentialsAttribute_Name(
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ref long credentialHandle,
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CredentialQueryAttrib attributeName,
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ref QueryNameAttribCarrier name
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);
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[StructLayout( LayoutKind.Sequential )]
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public struct QueryNameAttribCarrier
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{
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public IntPtr Name;
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}
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}
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}
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