+ break;
+ case PROTO_POSTGRES:
+ {
+ static const unsigned char ssl_request[] = {
+ /* Length SSLRequest */
+ 0, 0, 0, 8, 4, 210, 22, 47
+ };
+ int bytes;
+
+ /* Send SSLRequest packet */
+ BIO_write(sbio, ssl_request, 8);
+ (void)BIO_flush(sbio);
+
+ /* Reply will be a single S if SSL is enabled */
+ bytes = BIO_read(sbio, sbuf, BUFSIZZ);
+ if (bytes != 1 || sbuf[0] != 'S')
+ goto shut;
+ }
+ break;