Move credential native methods to their own file. Create a QueryNameSupport.cs file to hold a couple classes related to implementing that functionality.

2014-06-24 20:19:58 +00:00
parent 6b3e395f7c
commit 508cd9df49
8 changed files with 133 additions and 104 deletions
--- a/Credentials/CredentialNativeMethods.cs
+++ b/Credentials/CredentialNativeMethods.cs
@@ -0,0 +1,107 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Runtime.InteropServices;
+using System.Text;
+using System.Threading.Tasks;
+using NSspi.Credentials;
+
+namespace NSspi
+{
+    public static class CredentialNativeMethods
+    {
+
+        /*
+ SECURITY_STATUS sResult = AcquireCredentialsHandle(
+         NULL,											// [in] name of principal. NULL = principal of current security context
+         pszPackageName,									// [in] name of package
+         fCredentialUse,									// [in] flags indicating use.
+         NULL,											// [in] pointer to logon identifier.  NULL = we're not specifying the id of another logon session
+         NULL,											// [in] package-specific data.  NULL = default credentials for security package
+         NULL,											// [in] pointer to GetKey function.  NULL = we're not using a callback to retrieve the credentials
+         NULL,											// [in] value to pass to GetKey
+         this->credentialHandle,							// [out] credential handle (this must be already allocated)
+         &tsExpiry										// [out] lifetime of the returned credentials
+ );
+        
+ SECURITY_STATUS SEC_Entry AcquireCredentialsHandle(
+       _In_   SEC_CHAR *pszPrincipal,
+       _In_   SEC_CHAR *pszPackage,
+       _In_   ULONG fCredentialUse,
+       _In_   PLUID pvLogonID,
+       _In_   PVOID pAuthData,
+       _In_   SEC_GET_KEY_FN pGetKeyFn,
+       _In_   PVOID pvGetKeyArgument,
+       _Out_  PCredHandle phCredential,
+       _Out_  PTimeStamp ptsExpiry
+     );
+ */
+
+        [DllImport(
+            "Secur32.dll",
+            EntryPoint = "AcquireCredentialsHandle",
+            CallingConvention = CallingConvention.Winapi,
+            CharSet = CharSet.Unicode,
+            SetLastError = true
+        )]
+        public static extern SecurityStatus AcquireCredentialsHandle(
+            string principleName,
+            string packageName,
+            CredentialUse credentialUse,
+            IntPtr loginId,
+            IntPtr packageData,
+            IntPtr getKeyFunc,
+            IntPtr getKeyData,
+            ref RawSspiHandle credentialHandle,
+            ref long expiry
+        );
+
+        /*
+        SECURITY_STATUS SEC_Entry FreeCredentialsHandle(
+            _In_  PCredHandle phCredential
+        );
+        */
+        [DllImport(
+            "Secur32.dll",
+            EntryPoint = "FreeCredentialsHandle",
+            CallingConvention = CallingConvention.Winapi,
+            CharSet = CharSet.Unicode,
+            SetLastError = true
+        )]
+        public static extern SecurityStatus FreeCredentialsHandle(
+            ref RawSspiHandle credentialHandle
+        );
+
+        /*
+        SECURITY_STATUS SEC_Entry QueryCredentialsAttributes(
+          _In_   PCredHandle phCredential,
+          _In_   ULONG ulAttribute,
+          _Out_  PVOID pBuffer
+        );
+        */
+
+        /// <summary>
+        /// The overload of the QueryCredentialsAttribute method that is used for querying the name attribute.
+        /// In this call, it takes a void* to a structure that contains a wide char pointer. The wide character
+        /// pointer is allocated by the SSPI api, and thus needs to be released by a call to FreeContextBuffer().
+        /// </summary>
+        /// <param name="credentialHandle"></param>
+        /// <param name="attributeName"></param>
+        /// <param name="name"></param>
+        /// <returns></returns>
+        [DllImport(
+            "Secur32.dll",
+            EntryPoint = "QueryCredentialsAttributes",
+            CallingConvention = CallingConvention.Winapi,
+            CharSet = CharSet.Unicode,
+            SetLastError = true
+        )]
+        public static extern SecurityStatus QueryCredentialsAttribute_Name(
+            ref RawSspiHandle credentialHandle,
+            CredentialQueryAttrib attributeName,
+            ref QueryNameAttribCarrier name
+        );
+
+
+    }
+}