char *zSha1Pw;
  const char *zIpAddr;         /* IP address of requestor */
  const char *zReferer;

  login_check_credentials();
  if( login_wants_https_redirect() ){
    const char *zQS = P("QUERY_STRING");
    if( P("redir")!=0 || g.sslNotAvailable ){
      style_header("Insecure Connection");
      @ <h1>Unable To Establish An Encrypted Connection</h1>
      @ <p>This website requires that login credentials be sent over
      @ an encrypted connection.  The current connection, however, is
      @ is not encrypted all the way from your browser to the server.
      @ A prior attempt was made to redirect to %h(g.zHttpsURL) but
      @ the connection is still insecure even after the redirect.</p>
      @ <p>This is probably some kind of configuration problem.  Please
      @ contact your sysadmin.</p>
      @ <p>Sorry it didn't work out.</p>
      style_footer();
      return;
    }