Re: strace security <feature>

Miquel van Smoorenburg (miquels@cistron.nl)
30 Dec 1999 18:45:59 GMT

In article <cistron.199912301818.NAA28190@kf8nh.apk.net>,
Brandon S. Allbery KF8NH <allbery@kf8nh.apk.net> wrote:
>It might be worth reminding people that some shells (notably bash) will
>check if EUID != UID and reset the EUID to the UID on startup, unless a
>particular option (-p on bash) is given. IOW, testing the above with a
>setuid shell script won't work unless its startup line is "#! /bin/bash -p"
>(or /bin/sh in place of /bin/bash).

Won't work at all - Linux doesn't support setuid shell scripts
(and rightly so).

Mike.

-- 
Living is a horizontal fall.

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