Re: run_kannel_box - forcing umask to be 077

Ah great - thanks Alex, I will have a look at this.

Cheers,
Alan

Alexander Malysh wrote:
> Hi Alan,
> 
> please stop using run_kannel_box because it's deprecated, just use:
> /.../bearerbox --daemon
> /.../smsbox --daemon
> 
> Thanks,
> Alex
> 
> P.S. A new init scripts for debian using --daemon option are highly 
> welcome...
> 
> Alan McNatty schrieb:
>> Hi All,
>>
>> We're been on stock standard debian kannel installs for awhile now so 
>> it's simply a matter of using kannel out of the box these days which 
>> is great.
>>
>> However we've had an ongoing annoyance running kannel on servers which 
>> we don't maintain. I won't go into the annoying details of why but the 
>> long and short of it is that we have to do some user hopping to tail 
>> the logs (you have to be able to become the kannel user or root to 
>> view the logs, group access is not enough).
>>
>> The log permissons seem to be set in run_kannel_box (which is used by 
>> default), it hard wires the umask (overriding anything set in an 
>> init.d script or login.defs, etc) to be 077.  My belief here is that 
>> this sort of thing is an installation / configuration setting and 
>> shouldn't be dictated in code. But better managed in (for example) 
>> postinstall scripts and umask setting, etc. Thus making it 
>> configurable to individual requirements, server set-up, etc.
>>
>> Consider the default debian policy (for better or worse) is 022 but 
>> the kannel user gets added with the group 'nogroup' and then finally 
>> the umask is set to 077 by run_kannel_box for the running boxes. Would 
>> it not make more sense / be simpler / more configurable to be 
>> kannel.adm with an init.d umask setting to 077 (or 027). Note the 
>> logrotate script sets the rotated logs to kannel.adm with mode 640.
>>
>> Ultimately I guess I'm asking if anyone would object if this enforcing 
>> was removed in an upstream release? All thoughts, comments, etc 
>> welcome/appreciated.
>>
>> Consider (from utils/run_kannel_box.c):
>>
>> @@ -384,10 +384,6 @@
>>         atexit(remove_pidfile);
>>         write_pidfile();
>>
>> -       /* Set the umask to a known value, rather than inheriting
>> -        * an unknown one. */
>> -       umask(077);
>> -
>>         /* Leave file descriptors 0, 1, and 2 pointing to harmless
>>          * places, and close all other file descriptors. */
>>         rebind_standard_streams();
>>
>> I am happy to submit some debian patches to get the discussion going 
>> also.
>>
>> Cheers,
>> Alan
>>
> 
> 
> 


-- 
Alan McNatty
Catalyst IT

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