public void Close()
{
OpenSslNative.SSL_shutdown(_ssl);
if (_socket.Connected)
{
_socket.Close();
}
}
private static IntPtr GetMethodFromProtocol(OpenSslProtocol protocol, bool server)
{
IntPtr method = IntPtr.Zero;
switch (protocol)
{
case OpenSslProtocol.AutoDetect:
if (server)
{
method = OpenSslNative.SSLv23_server_method();
}
else
{
method = OpenSslNative.SSLv23_client_method();
}
break;
case OpenSslProtocol.SSLv2:
if (server)
{
method = OpenSslNative.SSLv2_server_method();
}
else
{
method = OpenSslNative.SSLv2_client_method();
}
break;
case OpenSslProtocol.SSLv3:
if (server)
{
method = OpenSslNative.SSLv3_server_method();
}
else
{
method = OpenSslNative.SSLv3_client_method();
}
break;
case OpenSslProtocol.TLSv1:
if (server)
{
method = OpenSslNative.TLSv1_server_method();
}
else
{
method = OpenSslNative.TLSv1_client_method();
}
break;
default:
break;
}
return(OpenSslUtility.AssertNotNull(method));
}
public static string GetErrorMessage(uint err)
{
if (err == 0)
{
return("Unknown OpenSSL Error");
}
byte[] buf = new byte[1024];
OpenSslNative.ERR_error_string_n(err, buf, buf.Length);
return(Encoding.ASCII.GetString(buf));
}
public static string GetErrorMessages()
{
StringBuilder sb = new StringBuilder();
for (; ;)
{
uint err = OpenSslNative.ERR_get_error();
if (err == 0)
{
break;
}
sb.AppendLine(GetErrorMessage(err));
}
return(sb.ToString().TrimEnd());
}
public void Write(byte[] buffer, int offset, int count)
{
if (buffer.Length < (count + offset))
{
count = buffer.Length - offset;
}
if (offset == 0)
{
OpenSslNative.SSL_write(_ssl, buffer, count);
}
else if (count > 0)
{
byte[] temp = new byte[count];
Buffer.BlockCopy(buffer, offset, temp, 0, count);
OpenSslNative.SSL_write(_ssl, temp, (int)count);
}
}
public int Read(byte[] buffer, int offset, int count)
{
if (buffer.Length < (count + offset))
{
count = buffer.Length - offset;
}
if (offset == 0)
{
return(OpenSslNative.SSL_read(_ssl, buffer, count));
}
else
{
byte[] temp = new byte[count];
int res = OpenSslNative.SSL_read(_ssl, temp, count);
if (res > 0)
{
Buffer.BlockCopy(temp, 0, buffer, offset, res);
}
return(res);
}
}
public void Dispose()
{
OpenSslNative.BIO_free(_bio);
}
public static OpenSslBIO FromFile(string file)
{
return(new OpenSslBIO(OpenSslUtility.AssertNotNull(OpenSslNative.BIO_new_file(file, "r"))));
}
public OpenSslCertificate(OpenSslBIO bio)
{
_x509 = OpenSslUtility.AssertNotNull(OpenSslNative.PEM_read_bio_X509(bio.Handle, IntPtr.Zero, IntPtr.Zero, IntPtr.Zero));
}
public void Dispose()
{
OpenSslNative.SSL_free(_ssl);
}
public OpenSslContext(OpenSslProtocol protocol, bool server)
{
_ctx = OpenSslUtility.AssertNotNull(OpenSslNative.SSL_CTX_new(GetMethodFromProtocol(protocol, server)));
}
public void Connect(Socket socket)
{
InitializeSocket(socket);
OpenSslUtility.AssertSuccess(OpenSslNative.SSL_connect(_ssl));
}
public OpenSslConnection(OpenSslContext ctx)
{
_context = ctx;
_ssl = OpenSslUtility.AssertNotNull(OpenSslNative.SSL_new(_context.Handle));
}
public void Dispose()
{
OpenSslNative.SSL_CTX_free(_ctx);
}
public void Dispose()
{
OpenSslNative.X509_free(_x509);
}
private void InitializeSocket(Socket socket)
{
OpenSslUtility.AssertSuccess(OpenSslNative.SSL_set_fd(_ssl, socket.Handle.ToInt32()));
_socket = socket;
}
public OpenSslPrivateKey(OpenSslBIO bio)
{
_pkey = OpenSslUtility.AssertNotNull(OpenSslNative.PEM_read_bio_PrivateKey(bio.Handle, IntPtr.Zero, IntPtr.Zero, IntPtr.Zero));
}
public void Dispose()
{
OpenSslNative.EVP_PKEY_free(_pkey);
}