Add to legacy SKIP unsupported params with SM2

Author: Eno-CN

ext/openssl/openssl.c

@@ -4299,31 +4299,37 @@ static bool php_openssl_pkey_init_legacy_ec(EC_KEY *eckey, zval *data, bool *is_
 	if (!EC_KEY_set_group(eckey, group)) {
 		goto clean_exit;
 	}
+	
+	/* custom params not supported with SM2, SKIP */
+	if (!curve_name_zv ||
+		(Z_TYPE_P(curve_name_zv) == IS_STRING &&
+		OPENSSL_strcasecmp(Z_STRVAL_P(curve_name_zv), "SM2") != 0)){
+		OPENSSL_PKEY_SET_BN(data, d);
+		OPENSSL_PKEY_SET_BN(data, x);
+		OPENSSL_PKEY_SET_BN(data, y);
 
-	OPENSSL_PKEY_SET_BN(data, d);
-	OPENSSL_PKEY_SET_BN(data, x);
-	OPENSSL_PKEY_SET_BN(data, y);
-	if (d) {
-		*is_private = true;
-		if (!EC_KEY_set_private_key(eckey, d)) {
-			goto clean_exit;
-		}
-		
-		point_q = EC_POINT_new(group);
-		if (!point_q || !EC_POINT_mul(group, point_q, d, NULL, NULL, bctx)) {
-			goto clean_exit;
-		}
-	} else if (x && y) {
-		/* OpenSSL does not allow setting EC_PUB_X/EC_PUB_Y, so convert to encoded format. */
-		point_q = EC_POINT_new(group);
-		if (!point_q || !EC_POINT_set_affine_coordinates(group, point_q, x, y, bctx)) {
-			goto clean_exit;
+		if (d) {
+			*is_private = true;
+			if (!EC_KEY_set_private_key(eckey, d)) {
+				goto clean_exit;
+			}
+
+			point_q = EC_POINT_new(group);
+			if (!point_q || !EC_POINT_mul(group, point_q, d, NULL, NULL, bctx)) {
+				goto clean_exit;
+			}
+		} else if (x && y) {
+			/* OpenSSL does not allow setting EC_PUB_X/EC_PUB_Y, so convert to encoded format. */
+			point_q = EC_POINT_new(group);
+			if (!point_q || !EC_POINT_set_affine_coordinates(group, point_q, x, y, bctx)) {
+				goto clean_exit;
+			}
 		}
-	}
 
-	if (point_q != NULL) {
-		if (!EC_KEY_set_public_key(eckey, point_q)) {
-			goto clean_exit;
+		if (point_q != NULL) {
+			if (!EC_KEY_set_public_key(eckey, point_q)) {
+				goto clean_exit;
+			}
 		}
 	}