Re: capget() overflows buffers.

From: Bojan Smojver
Date: Fri May 23 2008 - 00:01:59 EST


On Thu, 2008-05-22 at 19:06 -0700, Chris Wright wrote:

> 1) switch to using the libcap interface, arguably the best sol'n since
> you know longer have to directly care about the kernel interface.
> only drawback is the additional library dependency.

I'm thinking Squid folks may want to pick this up long term.

> 2) force head->version to the older version, something like:
>
> #ifdef _LINUX_CAPABILITY_VERSION_1
> head->version = _LINUX_CAPABILITY_VERSION_1;
> #else
> head->version = _LINUX_CAPABILITY_VERSION;
> #endif
>
> this has the drawback of always using the older 32bit caps, probably
> fine here, since you're not using new caps.

Probably the best short term suggestion. I will post this in my original
bug report.

Thank you for your suggestions!

--
Bojan

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