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Bug 1615995

Summary: Need rsyslog policy for /var files, elasticsearch, kubernetes
Product: Red Hat Enterprise Linux 7 Reporter: Rich Megginson <rmeggins>
Component: selinux-policyAssignee: Lukas Vrabec <lvrabec>
Status: CLOSED ERRATA QA Contact: Milos Malik <mmalik>
Severity: unspecified Docs Contact:
Priority: unspecified    
Version: 7.6CC: lmiksik, lvrabec, lzap, mgrepl, mmalik, nhosoi, nkinder, plautrba, ssekidde, vmojzis
Target Milestone: rc   
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: selinux-policy-3.13.1-226.el7 Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of:
: 1615996 (view as bug list) Environment:
Last Closed: 2018-10-30 10:08:29 UTC Type: Bug
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On:    
Bug Blocks: 1615996, 1615999    

Description Rich Megginson 2018-08-14 17:02:35 UTC
Description of problem:
New features for rsyslog for reading from symlinked files, using client cert auth with Elasticsearch, and using Kubernetes, requires the following additional policies:

require {
	type syslogd_t;
	type unreserved_port_t;
	class tcp_socket name_connect;
}

#============= syslogd_t ==============

#!!!! This avc can be allowed using the boolean 'nis_enabled'
allow syslogd_t unreserved_port_t:tcp_socket name_connect;

This allows rsyslog to communicate over http port 9200 with Elasticsearch.

require {
	type syslogd_t;
	type http_port_t;
	class tcp_socket name_connect;
}

#============= syslogd_t ==============

#!!!! This avc can be allowed using the boolean 'nis_enabled'
allow syslogd_t http_port_t:tcp_socket name_connect;

This allows rsyslog to communicate with Kubernetes over port 443.

require {
	type syslogd_t;
	type cert_t;
	class dir write;
	class file write;
}

#============= syslogd_t ==============
allow syslogd_t cert_t:dir write;
allow syslogd_t cert_t:file write;

This allows rsyslog read/write access to the NSS system cert db.

require {
	type syslogd_t;
	type var_t;
	class dir read;
}

#============= syslogd_t ==============

#!!!! WARNING: 'var_t' is a base type.
allow syslogd_t var_t:dir read;

This allows rsyslog to read from the '/var' directory.

require {
    type syslogd_t;
    type container_var_lib_t;
    class dir { search getattr };
    class file { getattr ioctl open read };
}

#============= syslogd_t ==============
allow syslogd_t container_var_lib_t:dir { search getattr };
allow syslogd_t container_var_lib_t:file { getattr ioctl open read };

This allows rsyslog to have the necessary access to /var/lib/docker/containers

Version-Release number of selected component (if applicable):


How reproducible:


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Comment 1 Rich Megginson 2018-08-20 18:57:46 UTC
I realize we're cutting it close for rhel 7.6, but if we don't have these rules for rhel 7.6, some of the new rsyslog features/bug fixes won't work.

Do we tell customers to download policy from this bz and apply it manually?

Comment 8 Lukas Vrabec 2018-09-23 13:16:56 UTC
*** Bug 1630874 has been marked as a duplicate of this bug. ***

Comment 10 errata-xmlrpc 2018-10-30 10:08:29 UTC
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2018:3111