[Date Prev][Date Next] [Thread Prev][Thread Next] [Date Index] [Thread Index]

Bug#1017446: debian-policy: stress that preinst script that install by using base64 decode on self an elf binary is not a good stuff



Le mar. 16 août 2022 à 13:22, Sam Hartman <hartmans@debian.org> a écrit :
>
> >>>>> "Bastien" == Bastien Roucariès <rouca@debian.org> writes:
>     Bastien> I will like to stress that this kind of stuff is bad:
>     Bastien> https://salsa.debian.org/debian/isa-support/-/blob/master/debian/altivec-
>     Bastien> support.preinst.in#L10
>
> How would you do better in that instance?
> I think everyone knows it's bad, but I'm guessing that the maintainer
> didn't have a better approach for detecting whether the referenced
> instructions worked on the installed system.
>
> I'm assuming that if feature tests in /proc/cpuinfo were sufficient they
> would have been used.

No the problem is not probing the cpu/cpuinfo...

The problem is the base64 encoded binary.

I ma solving this by pre-depends on a binary package and run the
binary from the preinstalled package.


>
> --Sam


Reply to: