[rsbac] About SCD T_swap.

Javier J. Martínez Cabezón tazok.id0 at gmail.com
Mon Jan 12 17:50:36 CET 2009

In rc_main.c you have for example that all requests made to MAP_EXEC
that doesn't be FILE get a DON'T CARE answer I'm right thinking that
if you make a MAP_EXEC call to a TARGET NONE (which should go to SCD
other) it get's not checked at all?

2009/1/12 Amon Ott <ao en rsbac.org>:
> Am Sünndag 11 Januor 2009 schrieb Javier J. Martínez Cabezón:
>> Hi all, while looking some code of 1.3.7 rsbac version (swapfile.c)
>> when you add one partition/file with swapon and swapoff it only checks
>> that you own the capability CAP_SYS_ADMIN and if you have
>> MODIFY_SYSTEM_DATA in SCD_swap and ADD_TO_KERNEL rights in the
>> file/device to add. ADD_TO_KERNEL (and REMOVE_TO_KERNEL) to SCD_swap
>> is ignored isn't it?. I'm wrong thinking that the only right useful in
>> SCD type swap is MODIFY_SYSTEM_DATA?. I think that some others SCD has
>> the same isn't it?
> Most SCD targets only have checks for GET_STATUS_DATA (read) and
> MODIFY_SYSTEM_DATA (write settings). The special case is SCD other, which is
> used by some models (RC, ACL) to control access to NONE targets.
> Amon.
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