Re: About this part of Jens Documentation

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I have chosen this approach, welcome suggestions.

emerge has it's own forced_role, and it's caps as minimum.
emerge binaries has its own fd_type
When I need to make an upgrade I grant it with ttl as bofh (my secoff)
without commit to root, granting R, MAP_EXEC and EXECUTE to emerge_t

Something like this
rc_set_item -t 15 ROLE $root_role" type_comp_fd "emerge_bin_t" R
EXECUTE MAP_EXEC

Since is a python script, privileges are marked as absolute.

No need to fakeroot and you can take all RC learning mode capability
since you use a new role to emerge.

Comments are appreciated



On 15/02/15 20:57, Jens Kasten wrote:
> Am Sun, 15 Feb 2015 18:41:39 +0100 schrieb Javier Juan Martínez
> Cabezón <[email protected]>:
> 
> Hi Javier,
> 
> You have to enable in kernel config fake root in section RSBAC.
> 
> You can use rsbac_menu /path/to/bin and choose fake root uid or 
> attr_set_file_dir FILE /path/to/bin fake_root_uid [0-3]
> 
> Yes set it to emerge but fake_root_uid is not for expand permisson
> for an user its just make possible to fool programs if they do a
> check like is user_id == 0.
> 
> The permission is set for example: attr_set_user updater min_caps
> CHOWN DAC_OVERRIDE DAC_READ_SEARCH FOWNER FSETID MKNOD
> NET_BIND_SERVICE
> 
> 
> Depend on setup maybe have to change some roles too.
> 
> Grüße
> 
> Jens
> 
> 
> 
> 
> 
> Hi Jens, it's related with this part of your docs.
> 
> Did you need to set fakeroot in some place? How did you do it? That
> is, did you set fakeroot to emerge binary or how did you deal with
> owner permissions of new packages installed?
> 
> http://www.rsbac.org/wiki/experiences/igraltist/admins#add_updater_user
>
> 
> 
> 
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