[CentOS] BackupPC 3.1.0 on CentOS 5.2 triggers SE Linux denial

Johnny Hughes johnny at centos.org
Fri Aug 1 11:32:36 UTC 2008


Johnny Hughes wrote:
> Aleksey Tsalolikhin wrote:
>> Hi.   I've installed BackupPC 3.1.0 from Testing repository, to Cent
>> OS 5.2 x86_64, and I am hitting an SE Linux denial - the httpd cannot
>> talk to the BackupPC socket:
>>
>> type=AVC msg=audit(07/31/2008 17:18:53.623:410) : avc:  denied  {
>> connectto } for  pid=11767 comm=httpd
>> path=/var/log/BackupPC/BackupPC.sock
>> scontext=user_u:system_r:httpd_t:s0
>> tcontext=user_u:system_r:initrc_t:s0 tclass=unix_stream_socket
>>
>> type=AVC msg=audit(07/31/2008 17:18:53.623:410) : avc:  denied  {
>> write } for  pid=11767 comm=httpd name=BackupPC.sock dev=md0
>> ino=39813253 scontext=user_u:system_r:httpd_t:s0
>> tcontext=user_u:object_r:var_log_t:s0 tclass=sock_file
>>
>> Is there an easy way to fix this, like setting the BackupPC.sock file
>> universally writeable?  I don't know SE Linux and right now my
>> objective is to get BackupPC up and running.
>>
>> I've turned SE Linux off for now, but that's temporary until I get a
>> more targeted fix.
> 
> if you take the text file that contains the issues, and use this 
> command, it will tell you what to do:
> 
> audit2allow -i <path_to_file>
> 
> in this case, it says to do this:
> 
> allow httpd_t initrc_t:unix_stream_socket connectto;
> allow httpd_t var_log_t:sock_file write;
> 

To finish this up ...

audit2allow -i <path_to_file> -M backkuppc

then

semodule -i backuppc.pp

that should install the new module ...

see "man audit2allow" and "man semodule" for more info

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