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Re^3: securing a remailer

by sgifford (Prior)
on Oct 12, 2005 at 15:41 UTC ( #499542=note: print w/replies, xml ) Need Help??

in reply to Re^2: securing a remailer
in thread securing a remailer

So the solution is to validate user input. No need to throw the baby out with the bathwater. You'd have similar problems with using unvalidated input with SMTP or any other mechanism for sending mail.

Still, if the OP finds they can replace a significant chunk of their code with a well-maintained Perl module, that seems like a pretty clear good idea.

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[LanX]: before digging into deep debugging ... I have a strange UTF8 problem, probably it rings a bell:
[LanX]: two utf8 strings from different sources are base64 encoded, but after joining both the umlauts in teh second get deleted
[Corion]: LanX: You can't just join two base64 strings together
[LanX]: (not a high priority bug because I can use some HTML entities in the second string)
[Corion]: base64 is padded to a multiple of 4 chars (or something)
[LanX]: misunderstanding, I joined them before converting to base64
[Corion]: Also, I would be wary of encodings and try to make really sure that both input strings are UTF-8. Maybe join the input strings from one source together to see whether they decode as bad or not
[Corion]: LanX: Then the problem should persist without encoding to base64 too ;)

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