需要AcquireCredentialsHandle win32 api函數的C＃簽名

Question

我以某種方式為該api調用提供了簽名，但是該調用無法以預期的方式工作。 一些重要的數據結構沒有正確填充，因此我沒有得到預期的輸出。 我使用的簽名是：

[DllImport("secur32.dll", SetLastError = true)]
    static extern ulong AcquireCredentialsHandle(
        string pszPrincipal,
        string pszPackage,
        ulong fCredentialsUse,
        IntPtr pvLogonID,
        ref SEC_WINNT_AUTH_IDENTITY pAuthData, 
        //IntPtr pAuthData,
        IntPtr pGetKeyFn,
        IntPtr pGetArgumentKey,
        //ref SecHandle phCredential,
        IntPtr phCredential,
        ref TimeStamp ptsExpiry);

請忽略評論。

我用於參考的基於C的函數調用可以在此處找到。 我想知道我做錯了什么...

Answer 1

您是否在pinvoke.net嘗試過此操作 ？

Answer 2

上面的結構似乎不正確，因為文檔說明了API 1

typedef struct _SecHandle {
  ULONG_PTR       dwLower;
  ULONG_PTR       dwUpper;
} SecHandle, * PSecHandle;

這意味着上面的代碼可以在32位上工作，但是應該

[StructLayout(LayoutKind.Sequential)]
public struct SECURITY_HANDLE
{
    public IntPtr LowPart;
    public IntPtr HighPart;
    public SECURITY_HANDLE(int dummy)
    {
        LowPart = HighPart = IntPtr.Zero;
    }
};

這將適用於32位和64位模式。

其余部分將與以前相同

[StructLayout(LayoutKind.Sequential)]
public struct SECURITY_INTEGER
{
    public uint LowPart;
    public int HighPart;
    public SECURITY_INTEGER(int dummy)
    {
        LowPart = 0;
        HighPart = 0;
    }
};

[DllImport("secur32.dll", SetLastError=true)]
  static extern int AcquireCredentialsHandle(
    string pszPrincipal, //SEC_CHAR*
    string pszPackage, //SEC_CHAR* //"Kerberos","NTLM","Negotiative"
    int fCredentialUse,
    IntPtr PAuthenticationID,//_LUID AuthenticationID,//pvLogonID,//PLUID
    IntPtr pAuthData,//PVOID
    int pGetKeyFn, //SEC_GET_KEY_FN
    IntPtr pvGetKeyArgument, //PVOID
    ref SECURITY_HANDLE phCredential, //SecHandle //PCtxtHandle ref
    ref SECURITY_INTEGER ptsExpiry); //PTimeStamp //TimeStamp ref

您還應小心釋放它，因為它是不受管理的。

Answer 3

從pInvoke.net

[StructLayout(LayoutKind.Sequential)]
public struct SECURITY_INTEGER
{
    public uint LowPart;
    public int HighPart;
    public SECURITY_INTEGER(int dummy)
    {
    LowPart = 0;
    HighPart = 0;
    }
};

[StructLayout(LayoutKind.Sequential)]
public struct SECURITY_HANDLE
{
    public uint LowPart;
    public uint HighPart;
    public SECURITY_HANDLE(int dummy)
    {
    LowPart = HighPart = 0;
    }
};


[DllImport("secur32.dll", SetLastError=true)]
  static extern int AcquireCredentialsHandle(
    string pszPrincipal, //SEC_CHAR*
    string pszPackage, //SEC_CHAR* //"Kerberos","NTLM","Negotiative"
    int fCredentialUse,
    IntPtr PAuthenticationID,//_LUID AuthenticationID,//pvLogonID, //PLUID
    IntPtr pAuthData,//PVOID
    int pGetKeyFn, //SEC_GET_KEY_FN
    IntPtr pvGetKeyArgument, //PVOID
    ref SECURITY_HANDLE phCredential, //SecHandle //PCtxtHandle ref
    ref SECURITY_INTEGER ptsExpiry); //PTimeStamp //TimeStamp ref