public static SecurityBuffer[] GetIncomingSecurityBuffers(SslAuthenticationOptions options, ref SecurityBuffer incomingSecurity)
{
SecurityBuffer alpnBuffer = null;
SecurityBuffer[] incomingSecurityBuffers = null;
if (options.ApplicationProtocols != null && options.ApplicationProtocols.Count != 0)
{
byte[] alpnBytes = SslStreamPal.ConvertAlpnProtocolListToByteArray(options.ApplicationProtocols);
alpnBuffer = new SecurityBuffer(alpnBytes, 0, alpnBytes.Length, SecurityBufferType.SECBUFFER_APPLICATION_PROTOCOLS);
}
if (incomingSecurity != null)
{
if (alpnBuffer != null)
{
incomingSecurityBuffers = new SecurityBuffer[]
{
incomingSecurity,
new SecurityBuffer(null, 0, 0, SecurityBufferType.SECBUFFER_EMPTY),
alpnBuffer
};
}
else
{
incomingSecurityBuffers = new SecurityBuffer[]
{
incomingSecurity,
new SecurityBuffer(null, 0, 0, SecurityBufferType.SECBUFFER_EMPTY)
};
}
}
else if (alpnBuffer != null)
{
incomingSecurity = alpnBuffer;
}
return(incomingSecurityBuffers);
}
