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From "Tellier Benoit (JIRA)" <mime4j-...@james.apache.org>
Subject [jira] [Commented] (MIME4J-265) Possible wrong calculation of header length
Date Fri, 05 Jan 2018 12:51:00 GMT

    [ https://issues.apache.org/jira/browse/MIME4J-265?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16313045#comment-16313045
] 

Tellier Benoit commented on MIME4J-265:
---------------------------------------

Thanks for the report. I will get a look on this on monday.

> Possible wrong calculation of header length
> -------------------------------------------
>
>                 Key: MIME4J-265
>                 URL: https://issues.apache.org/jira/browse/MIME4J-265
>             Project: James Mime4j
>          Issue Type: Bug
>    Affects Versions: 0.7.2
>            Reporter: Raffaele Gambelli
>              Labels: headers
>
> I've implemented a sort of mail server and I have many threads listening for incoming
emails.
> I'm using mime4j to parse javamail Message.
> I had only one case of:
> Caused by: org.apache.james.mime4j.io.MaxHeaderLengthLimitException: Maximum header length
limit exceeded
>  at org.apache.james.mime4j.stream.DefaultFieldBuilder.append(DefaultFieldBuilder.java:63)
>         at org.apache.james.mime4j.stream.MimeEntity.readRawField(MimeEntity.java:212)
>         at org.apache.james.mime4j.stream.MimeEntity.nextField(MimeEntity.java:258)
> Looking at the code of DefaultFieldBuilder, it seems that the check over line length
is not done on the single line but on the overall header, I'm refering to this line:
> {code:java}
> if (this.maxlen > 0 && this.buf.length() + len >= this.maxlen) {
> {code}
> Why should you add "this.buf.length" ?
> I know that there is no limit on header length, but only in its lines.
> I can't attach my eml for privacy reasons but I can confirm that I have no too much long
line
> Thanks



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