TLS: Reject openssl_ciphers parameter in non-OpenSSL cases

This TLS configuration parameter is explicitly for OpenSSL. Instead of
ignoring it silently, reject any configuration trying to use it in
builds that use other options for TLS implementation.

Signed-off-by: Jouni Malinen <j@w1.fi>

src/crypto/tls_gnutls.c

@@ -423,6 +423,11 @@ int tls_connection_set_params(void *tls_ctx, struct tls_connection *conn,
 		return -1;
 	}
 
+	if (params->openssl_ciphers) {
+		wpa_printf(MSG_INFO, "GnuTLS: openssl_ciphers not supported");
+		return -1;
+	}
+
 	/* TODO: gnutls_certificate_set_verify_flags(xcred, flags); 
 	 * to force peer validation(?) */
 

src/crypto/tls_internal.c

@@ -205,6 +205,11 @@ int tls_connection_set_params(void *tls_ctx, struct tls_connection *conn,
 		return -1;
 	}
 
+	if (params->openssl_ciphers) {
+		wpa_printf(MSG_INFO, "GnuTLS: openssl_ciphers not supported");
+		return -1;
+	}
+
 	if (tlsv1_set_ca_cert(cred, params->ca_cert,
 			      params->ca_cert_blob, params->ca_cert_blob_len,
 			      params->ca_path)) {

src/crypto/tls_schannel.c

@@ -707,6 +707,11 @@ int tls_connection_set_params(void *tls_ctx, struct tls_connection *conn,
 		return -1;
 	}
 
+	if (params->openssl_ciphers) {
+		wpa_printf(MSG_INFO, "GnuTLS: openssl_ciphers not supported");
+		return -1;
+	}
+
 	if (global->my_cert_store == NULL &&
 	    (global->my_cert_store = CertOpenSystemStore(0, TEXT("MY"))) ==
 	    NULL) {