File _service:tar_scm:CVE-2021-29425-2.patch of Package apache-commons-io

From 71639e041876e4dca28785ac3e61d80ecc33db44 Mon Sep 17 00:00:00 2001
From: Stefan Bodewig <stefan.bodewig@innoq.com>
Date: Wed, 16 May 2018 08:49:15 +0200
Subject: [PATCH 2/4] checkstyle requires javadocs on private methods?

---
 .../org/apache/commons/io/FilenameUtils.java  | 20 +++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/src/main/java/org/apache/commons/io/FilenameUtils.java b/src/main/java/org/apache/commons/io/FilenameUtils.java
index cdbc41c2..a829f8c7 100644
--- a/src/main/java/org/apache/commons/io/FilenameUtils.java
+++ b/src/main/java/org/apache/commons/io/FilenameUtils.java
@@ -1476,6 +1476,12 @@ public class FilenameUtils {
         Pattern.compile("^(\\d{1,3})\\.(\\d{1,3})\\.(\\d{1,3})\\.(\\d{1,3})$");
     private static final int IPV4_MAX_OCTET_VALUE = 255;
 
+    /**
+     * Checks whether a given string represents a valid IPv4 address.
+     *
+     * @param name the name to validate
+     * @return true if the given name is a valid IPv4 address
+     */
     // mostly copied from org.apache.commons.validator.routines.InetAddressValidator#isValidInet4Address
     private static boolean isIPv4Address(String name) {
         Matcher m = IPV4_PATTERN.matcher(name);
@@ -1517,6 +1523,12 @@ public class FilenameUtils {
     private static final int BASE_16 = 16;
 
     // copied from org.apache.commons.validator.routines.InetAddressValidator#isValidInet6Address
+    /**
+     * Checks whether a given string represents a valid IPv6 address.
+     *
+     * @param inet6Address the name to validate
+     * @return true if the given name is a valid IPv6 address
+     */
     private static boolean isIPv6Address(String inet6Address) {
         boolean containsCompressedZeroes = inet6Address.contains("::");
         if (containsCompressedZeroes && (inet6Address.indexOf("::") != inet6Address.lastIndexOf("::"))) {
@@ -1582,6 +1594,14 @@ public class FilenameUtils {
 
     private static final Pattern REG_NAME_PART_PATTERN = Pattern.compile("^[a-zA-Z0-9][a-zA-Z0-9-]*$");
 
+    /**
+     * Checks whether a given string is a valid host name according to
+     * RFC 3986 - not accepting IP addresses.
+     *
+     * @see "https://tools.ietf.org/html/rfc3986#section-3.2.2"
+     * @param name the hostname to validate
+     * @return true if the given name is a valid host name
+     */
     private static boolean isRFC3986HostName(String name) {
         String[] parts = name.split("\\.", -1);
         for (int i = 0; i < parts.length; i++) {
-- 
2.23.0