So...

gistfile1.rb

require 'ffi'
require 'socket'


module SSL_Client
  	extend FFI::Library
  	ffi_lib 'ssl'
  	attach_function :SSL_library_init, [], :int
  	attach_function :SSL_load_error_strings, [], :long
  	attach_function :SSLv3_client_method, [], :long
  	attach_function :SSL_CTX_new, [:long], :long
  	attach_function :SSL_new, [:long], :long
  	attach_function :SSL_set_fd, [:long, :long], :long
  	attach_function :SSL_connect, [:long], :int
end

SSL_Client.SSL_library_init
SSL_Client.SSL_load_error_strings
meth = SSL_Client.SSLv3_client_method
ctx = SSL_Client.SSL_CTX_new(meth)
ssl = SSL_Client.SSL_new(ctx)
sock = TCPSocket.new("192.168.0.4", 443)
SSL_Client.SSL_set_fd(ssl, sock.to_i)
err = SSL_Client.SSL_connect(ssl)
puts err