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Author Topic: padded filter lists  (Read 2493 times)

stoatwblr

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padded filter lists
« on: April 18, 2010, 06:15:56 AM »
Hopefully this isn't a bug, or has been addressed previously.

I've noticed that some IP filter lists are zero-padded and some aren't.

While the RFCs are very clear that IP addresses are decimal a lot of parsers and standard libraries are broken and treat leading 0's as OCTAL

End result: the IP written down isn't the IP the machine uses.

I can't see how to get a dump of filtered IPs out of a running amule to double check this. Has anyone verified that what goes in is what comes out?

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Stu Redman

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Re: padded filter lists
« Reply #1 on: April 18, 2010, 02:15:53 PM »
IPs from the IP filter list are parsed with StringIPtoUint32 from NetworkFunctions.cpp which doesn't use any octal folly.
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stoatwblr

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Re: padded filter lists
« Reply #2 on: April 18, 2010, 04:37:55 PM »
Quote from: Stu Redman on April 18, 2010, 02:15:53 PM
IPs from the IP filter list are parsed with StringIPtoUint32 from NetworkFunctions.cpp which doesn't use any octal folly.

Great to hear. The octal issue has been the cause of a lot of pain over the years (and it's still there in Bind).



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