file contexts change on reboot
Johnson, Richard
Richard.Johnson at stratus.com
Wed Aug 13 20:35:28 UTC 2008
Daniel J Walsh wrote:
> Johnson, Richard wrote:
>> Daniel J Walsh wrote:
>>> The file libft_sra_alarm_server.log is being created on boot
probably
> by
>>> an init script or by the executable. Since the parent directory is
>>> labeled var_log_t it gets that context. If you run restorecon the
>> context will get set correctly.
>>>
>>> If all the files in this directory are supposed to be
>>> system_u:object_r:lsb-ft-asn_rw_t:s0
>>>
>>> Then you should label
>>>
>>> /usr/sbin/semanage fcontext -a -t lsb-ft-asn_rw_t -s system_u
>>> '/var/opt/ft/log(/.*)'
>>>
>>> If you need other files in that directory labeled differently you
might
>>> want to move your log files to a subdir and label that one.
>>
>>
>> Yes this log (among others) is created by a daemon started from an
init
>> script. I will investigate moving the logs to a sub-dir. But for
>> historical and support reasons I'd prefer to leave them where they
are.
>> Is there a way for the daemon to create the files with the
appropriate
>> label from the get-go?
>>
>>1. Write a policy for this daemon so that when it created files in
>>directories labeled var_log_t, it transitions to the correct context
Ah. I'm halfway down this road with a a candidate policy--which might
be how I got into this mess. But being new at it, I guess it's par for
the course. Back to the books and other docs...this time focusing on
transitions.
>>2. You could have the script create the log file and run restorecon on
>>it and then have your program open and write to it.
>>
>>3. You could make your application SELinux aware and ask the system
how
>>the log file should be labeled and then call the selinux api to tell
the
>>kernel to label it correctly.
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