public X509Certificate2 GetBindedCertificate(int port, out StoreName storeName)
{
if (_disposed)
{
throw new InvalidOperationException(Resources.HttpBindedDispose);
}
if (!_initialized)
{
throw new InvalidOperationException(Resources.HttpBindedInitialize);
}
X509Certificate2 certificate = null;
var endPoint =
new IPEndPoint(IPAddress.Any, port);
var endPointData =
endPoint.GetBytes();
var endPointPtr = IntPtr.Zero;
var outConfigPtr = IntPtr.Zero;
try
{
endPointPtr =
Marshal.AllocHGlobal(endPointData.Length);
Marshal.Copy(endPointData, 0, endPointPtr, endPointData.Length);
var config =
new HttpCertificateConfigurationQuery
{
IpPort = endPointPtr,
QueryType = HttpConfigurationQueryType.Exact
};
uint returnLength;
var returnCode =
NativeHttpServer.HttpQueryServiceConfiguration(IntPtr.Zero, HttpConfigurationType.Certificate, ref config, (uint)Marshal.SizeOf(config), IntPtr.Zero, 0, out returnLength, IntPtr.Zero);
if (returnCode == 122) //ERROR_INSUFFICIENT_BUFFER
{
outConfigPtr =
Marshal.AllocHGlobal((int)returnLength);
returnCode =
NativeHttpServer.HttpQueryServiceConfiguration(IntPtr.Zero, HttpConfigurationType.Certificate, ref config, (uint)Marshal.SizeOf(config), outConfigPtr, returnLength, out returnLength, IntPtr.Zero);
}
if (returnCode == 2) //ERROR_FILE_NOT_FOUND
{
storeName = 0;
return(null);
}
if (returnCode != 0)
{
throw new Win32Exception((int)returnCode, Resources.HttpBindedException);
}
var outConfig =
(HttpCertificateConfigurationSet)
Marshal.PtrToStructure(outConfigPtr, typeof(HttpCertificateConfigurationSet));
var hash =
new byte[outConfig.HashLength];
Marshal.Copy(outConfig.Hash, hash, 0, hash.Length);
storeName =
(StoreName)Enum.Parse(typeof(StoreName), outConfig.StoreName, true);
var store =
new X509Store(storeName, StoreLocation.LocalMachine);
try
{
store.Open(OpenFlags.ReadOnly);
foreach (var c in store.Certificates)
{
if (c.GetCertHash().SequenceEqual(hash))
{
certificate = c;
break;
}
}
}
finally
{
store.Close();
}
}
finally
{
if (endPointPtr != IntPtr.Zero)
{
Marshal.FreeHGlobal(endPointPtr);
}
if (outConfigPtr != IntPtr.Zero)
{
Marshal.FreeHGlobal(outConfigPtr);
}
}
return(certificate);
}
public static extern uint HttpQueryServiceConfiguration(IntPtr handle, HttpConfigurationType type, ref HttpCertificateConfigurationQuery configuration, uint length, IntPtr __outConfiguration, uint outLength, out uint returnLength, IntPtr overlapped);
