aide.conf syntax errors contain junk line information

The latest servers that we added to run our e-Classifieds (r) platform use CentOS 6. I definitely like the boxes but Prelink and AIDE have been a pain.

After trying to stop AIDE checking some folders I started getting this report:

271:syntax error: <junk>
271:Error while reading configuration: <junk>

It turns out that this really was a syntax error. It really was on line 271 because rather daftly I had been thinking in terms of RegExps and added the line as

!^/usr/local/....

The ^ generates the syntax error. But apparently AIDE has a free/malloc/pointer bug in this error message as it prints random junk after the error message. Initally made me think that the error that was being reported was that the aide.conf file contained those characters and I couldn’t see then and therefore oooh filesystem/disk corruption… I was relieved to find that it was a bug in AIDE’s error message.

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