public Stream PerformHandshake(Object socket)
{
lock (this)
{
// Validate the parameter and state.
if (socket == null)
{
throw new ArgumentNullException("socket");
}
int fd = Utils.GetSocketFd(socket);
if (fd == -1)
{
throw new ArgumentException();
}
if (stream != null)
{
throw new InvalidOperationException();
}
if (ctx == IntPtr.Zero)
{
throw new ObjectDisposedException("session");
}
// Create the SSL session control object.
IntPtr ssl = SSL_new(ctx);
if (ssl == IntPtr.Zero)
{
throw new NotSupportedException();
}
// Create a socket BIO object and set it.
IntPtr bio = BIO_new_socket((Int)fd, (Int)0);
if (bio == IntPtr.Zero)
{
SSL_free(ssl);
throw new NotSupportedException();
}
SSL_set_bio(ssl, bio, bio);
// Attempt to connect or accept.
int result;
if (isClient)
{
result = (int)SSL_connect(ssl);
}
else
{
result = (int)SSL_accept(ssl);
}
if (result != 1)
{
SSL_free(ssl);
throw new SecurityException();
}
// Get the remote certificate and record it.
IntPtr x509 = SSL_get_peer_certificate(ssl);
if (x509 != IntPtr.Zero)
{
int length = (int)i2d_X509(x509, IntPtr.Zero);
if (length > 0)
{
IntPtr data = Marshal.AllocHGlobal(length);
if (data != IntPtr.Zero)
{
IntPtr temp = data;
i2d_X509(x509, ref temp);
remoteCertificate = new byte [length];
Marshal.Copy(data, remoteCertificate,
0, length);
Marshal.FreeHGlobal(data);
}
}
X509_free(x509);
}
// Create the stream object and return it.
stream = new OpenSSLStream(ssl);
return(stream);
}
}
public Stream PerformHandshake(Object socket)
{
lock(this)
{
// Validate the parameter and state.
if(socket == null)
{
throw new ArgumentNullException("socket");
}
int fd = Utils.GetSocketFd(socket);
if(fd == -1)
{
throw new ArgumentException();
}
if(stream != null)
{
throw new InvalidOperationException();
}
if(ctx == IntPtr.Zero)
{
throw new ObjectDisposedException("session");
}
// Create the SSL session control object.
IntPtr ssl = SSL_new(ctx);
if(ssl == IntPtr.Zero)
{
throw new NotSupportedException();
}
// Create a socket BIO object and set it.
IntPtr bio = BIO_new_socket((Int)fd, (Int)0);
if(bio == IntPtr.Zero)
{
SSL_free(ssl);
throw new NotSupportedException();
}
SSL_set_bio(ssl, bio, bio);
// Attempt to connect or accept.
int result;
if(isClient)
{
result = (int)SSL_connect(ssl);
}
else
{
result = (int)SSL_accept(ssl);
}
if(result != 1)
{
SSL_free(ssl);
throw new SecurityException();
}
// Get the remote certificate and record it.
IntPtr x509 = SSL_get_peer_certificate(ssl);
if(x509 != IntPtr.Zero)
{
int length = (int)i2d_X509(x509, IntPtr.Zero);
if(length > 0)
{
IntPtr data = Marshal.AllocHGlobal(length);
if(data != IntPtr.Zero)
{
IntPtr temp = data;
i2d_X509(x509, ref temp);
remoteCertificate = new byte [length];
Marshal.Copy(data, remoteCertificate,
0, length);
Marshal.FreeHGlobal(data);
}
}
X509_free(x509);
}
// Create the stream object and return it.
stream = new OpenSSLStream(ssl);
return stream;
}
}