[CentOS] NOT Solved - Re: SELinux policy to allow Dovecot to connect to Mysql
Robert Moskowitz
rgm at htt-consult.com
Tue Apr 25 09:19:15 UTC 2017
On 04/25/2017 11:12 AM, Laurent Wandrebeck wrote:
> Le mardi 25 avril 2017 à 11:07 +0200, Robert Moskowitz a écrit :
>> On 04/25/2017 10:58 AM, Laurent Wandrebeck wrote:
>>> Le mardi 25 avril 2017 à 10:39 +0200, Robert Moskowitz a écrit :
>>>> Thanks Laurent. You obviously know a LOT more about SELinux than I. I
>>>> pretty much just use commands and not build policies. So I need some
>>>> more information here.
>>>>
>>>> From what you provided below, how do I determine what is currently in
>>>> place and how do I add your stuff (changing postgresql with mysql, nat.)
>>>>
>>>> thanks
>>> Quick’n’(really) dirty SELinux howto:
>>> 1) Run the service. fails due to missing selinux policy.
>>> 2) grep service_pattern /var/log/audit/audit.log | audit2allow -M
>>> myservice_policy
>> Do you really mean 'service_pattern', or is this a placeholder for
>> something like mysql?
>>
>> As I get 'Nothing to do'
> placeholder which changes according to your needs.
I just made it worst. I put in mysql for myservice_policy, got a /pp
and did:
semodule -i myservice_policy.pp
Now I get real errors like:
Apr 25 05:13:16 z9m9z dovecot: dict: Error: b6fa1000-b6fc0000 r-xp
00000000 08:03 6076 /usr/lib/ld-2.17.so
Apr 25 05:13:16 z9m9z dovecot: dict: Error: b6fc5000-b6fc7000 rw-p
00000000 00:00 0
Apr 25 05:13:16 z9m9z dovecot: dict: Error: b6fcd000-b6fcf000 rw-p
00000000 00:00 0
Apr 25 05:13:16 z9m9z dovecot: dict: Error: b6fcf000-b6fd0000 r--p
0001e000 08:03 6076 /usr/lib/ld-2.17.so
Apr 25 05:13:16 z9m9z dovecot: dict: Error: b6fd0000-b6fd1000 rw-p
0001f000 08:03 6076 /usr/lib/ld-2.17.so
Apr 25 05:13:16 z9m9z dovecot: dict: Error: bee46000-bee67000 rw-p
00000000 00:00 0 [stack]
Apr 25 05:13:16 z9m9z dovecot: dict: Error: beec5000-beec6000 r-xp
00000000 00:00 0 [sigpage]
Apr 25 05:13:16 z9m9z dovecot: dict: Error: ffff0000-ffff1000 r-xp
00000000 00:00 0 [vectors]
Which go away if I setenforce 0. :(
myservice_policy.te has:
module myservice_policy 1.0;
require {
type dovecot_t;
type mysqld_etc_t;
type mysqld_t;
class unix_stream_socket connectto;
class file { getattr open read };
class dir read;
}
#============= dovecot_t ==============
allow dovecot_t mysqld_etc_t:dir read;
allow dovecot_t mysqld_etc_t:file { getattr open read };
#!!!! The file '/var/lib/mysql/mysql.sock' is mislabeled on your system.
#!!!! Fix with $ restorecon -R -v /var/lib/mysql/mysql.sock
#!!!! This avc can be allowed using the boolean
'daemons_enable_cluster_mode'
allow dovecot_t mysqld_t:unix_stream_socket connectto;
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