[pso] Curiozitate - uid, euid, suid, fsuid

[Octavian Purdila]

On Saturday 15 March 2008, Stefan Bucur wrote:
> Explorand prin codul sursa al kernel-ului, am dat peste 4 campuri din
> struct task_struct, toate referindu-se la user ID-ul unui proces
> (aceeasi poveste e valabila, o linie mai incolo, si pentru group ID):
>...
> Ma intreb care e diferenta dintre ele, si mai ales de ce trebuie
> retinute toate - in ce situatii e nevoie de fiecare dintre ele?
> 

Salut Stefan,

http://www.cs.berkeley.edu/~daw/papers/setuid-usenix02.pdf 

>
> PS: Noi in tema 1 folosim uid, si NU euid, right?

Da, in tema folositi uid.


tavi

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