Re: [gentoo-user] logrotate: /var/log/portage/elog "insecure permissions"?

[Florian Philipp <lists@binarywings.net>]

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Am 28.08.2011 20:44, schrieb Florian Philipp:
> Am 28.08.2011 13:14, schrieb Mick:
>> On Sunday 07 Aug 2011 16:20:18 Florian Philipp wrote:
>>> Am 07.08.2011 02:22, schrieb Mick:
>>>> On Friday 05 Aug 2011 23:08:38 Neil Bothwick wrote:
>>>>> On Fri, 05 Aug 2011 17:59:00 +0200, Florian Philipp wrote:
>>>>>> Yes, this was introduced in 3.8.0 to fix security issues [1]. Change
>>>>>> your config to look like this:
>>>>>> /var/log/portage/elog/summary.log {
>>>>>> su portage portage
>>>>>> ...
>>>>>> }
>>>>>>
>>>>>> Disclaimer: I've not really tried this (yet) but I think I'm able to
>>>>>> read changelogs and man-pages. ;-)
>>>>>
>>>>> Yes that fixes it. The latest portage ebuilds include an updated config
>>>>> file.
>>>>
>>>> Hmm ... it still complains here!
>>>>
>>>> error: error setting owner of
>>>> /var/log/portage/elog/summary.log-20110801.gz: Operation not permitted
>>>>
>>>>
>>>> This is my /etc/logrotate.d/elog-save-summary:
>>>> ===================================
>>>> /var/log/portage/elog/summary.log {
>>>>
>>>>  su portage portage
>>>>  
>>>>     missingok
>>>>     nocreate
>>>>     delaycompress
>>>>
>>>> }
>>>> ===================================
>>>>
>>>> # ls -la /var/log/portage/elog/summary.log
>>>> -rw-rw-r-- 1 root portage 4326 Aug  6 09:44
>>>> /var/log/portage/elog/summary.log
>>>>
>>>> Can you see anything amiss?
>>>
>>> At least on my system, /var/log/portage has the following permissions:
>>> drwxr-xr-x root root
>>>
>>> Only root can write, therefore the config must read
>>>
>>> /var/log/portage/elog/summary.log {
>>>  su root portage
>>>  missingok
>>>  nocreate
>>>  delaycompress
>>> }
>>
>> The latest logrotate update wanted to change the above line from su root 
>> portage to su portage portage ...
>>
>> Should I be changing the ownership of /var/log/portage and /var/log/portage 
>> elog?
> 
> Unless portage now drops privileges from root:portage to portage:portage
> for writing logs, no one except root should be allowed to write in
> /var/log/portage. So, from my point of view, the answer is no.
> 
> It seems so:
> https://bugs.gentoo.org/show_bug.cgi?id=374287
> https://bugs.gentoo.org/show_bug.cgi?id=378451
> 
> This version of portage has just been stabilized this week.
> 
> Regards,
> Florian Philipp
> 

Argh, sorry. I just saw that I forgot to delete the first paragraph
after looking at portage's changelog. The answer is yes, not no. ;)


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