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Posted to issues@commons.apache.org by "Matt Kusnierz (JIRA)" <ji...@apache.org> on 2017/04/05 16:08:41 UTC

[jira] [Created] (VALIDATOR-421) InetAddressValidator IPV4 rejects IPs with leading 0's in octets

Matt Kusnierz created VALIDATOR-421:
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             Summary: InetAddressValidator IPV4 rejects IPs with leading 0's in octets
                 Key: VALIDATOR-421
                 URL: https://issues.apache.org/jira/browse/VALIDATOR-421
             Project: Commons Validator
          Issue Type: Bug
          Components: Routines
    Affects Versions: 1.6
            Reporter: Matt Kusnierz


According to Wikipedia "It [IPv4] also allowed the numbers to be written in hexadecimal and octal, by prefixing them with 0x and 0, respectively", but org.apache.commons.validator.routines.InetAddressValidator.isValidInet4Address(String) rejects IPs if an ipSegment starts with a leading 0.

So leading 0's should be detected first, and then used to try and partInt using the octal radix.

The ipv4 regex also doesn't support hex notation.



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