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Bug 1030071

Summary: babeld runs as init_t
Product: Red Hat Enterprise Linux 7 Reporter: Milos Malik <mmalik>
Component: selinux-policyAssignee: Miroslav Grepl <mgrepl>
Status: CLOSED CURRENTRELEASE QA Contact: Milos Malik <mmalik>
Severity: medium Docs Contact:
Priority: medium    
Version: 7.0   
Target Milestone: rc   
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: selinux-policy-3.12.1-101.el7 Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2014-06-13 10:57:17 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: 877026    
Bug Blocks: 848829, 1041394    

Description Milos Malik 2013-11-13 21:13:28 UTC
Description of problem:


Version-Release number of selected component (if applicable):
quagga-0.99.22.4-1.el7.x86_64
selinux-policy-targeted-3.12.1-99.el7.noarch
selinux-policy-minimum-3.12.1-99.el7.noarch
selinux-policy-3.12.1-99.el7.noarch
selinux-policy-doc-3.12.1-99.el7.noarch
selinux-policy-devel-3.12.1-99.el7.noarch
selinux-policy-mls-3.12.1-99.el7.noarch

How reproducible:
always

Steps to Reproduce:
# touch /etc/quagga/babeld.conf
# service babeld start
Redirecting to /bin/systemctl start  babeld.service
# service babeld status
Redirecting to /bin/systemctl status  babeld.service
babeld.service - Babel routing daemon
   Loaded: loaded (/usr/lib/systemd/system/babeld.service; disabled)
   Active: active (running) since Wed 2013-11-13 22:09:38 CET; 2s ago
  Process: 3724 ExecStart=/usr/sbin/babeld -d $BABELD_OPTS -f /etc/quagga/babeld.conf (code=exited, status=0/SUCCESS)
 Main PID: 3725 (babeld)
   CGroup: /system.slice/babeld.service
           └─3725 /usr/sbin/babeld -d -A 127.0.0.1 -f /etc/quagga/babeld.conf

Nov 13 22:09:38 rhel70 systemd[1]: Starting Babel routing daemon...
Nov 13 22:09:38 rhel70 systemd[1]: Started Babel routing daemon.
# ps -efZ | grep babeld
system_u:system_r:init_t:s0     quagga    3725     1  0 22:09 ?        00:00:00 /usr/sbin/babeld -d -A 127.0.0.1 -f /etc/quagga/babeld.conf
unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023 root 3738 3451  0 22:09 pts/0 00:00:00 grep --color=auto babeld
#

Actual results:
 * babeld runs as init_t

Expected results:
 * babeld runs in its own SELinux domain

Comment 1 Milos Malik 2013-11-13 21:28:14 UTC
babeld should run as zebra_t, which is used by other quagga daemons.

Comment 2 Milos Malik 2013-11-14 07:25:32 UTC
If we decide to run babeld as zebra_t then the definition of zebra_port_t must be extended - it must include port 2609. Otherwise following AVC appears:
----
type=SOCKADDR msg=audit(11/14/2013 08:22:47.294:700) : saddr=inet host:127.0.0.1 serv:2609 
type=SYSCALL msg=audit(11/14/2013 08:22:47.294:700) : arch=x86_64 syscall=bind success=no exit=-13(Permission denied) a0=0x5 a1=0x7f6b9a9f5d20 a2=0x10 a3=0x7fffee09969c items=0 ppid=1 pid=20264 auid=unset uid=quagga gid=quagga euid=quagga suid=quagga fsuid=quagga egid=quagga sgid=quagga fsgid=quagga tty=(none) ses=unset comm=babeld exe=/usr/sbin/babeld subj=system_u:system_r:zebra_t:s0 key=(null) 
type=AVC msg=audit(11/14/2013 08:22:47.294:700) : avc:  denied  { name_bind } for  pid=20264 comm=babeld src=2609 scontext=system_u:system_r:zebra_t:s0 tcontext=system_u:object_r:unreserved_port_t:s0 tclass=tcp_socket 
----

Comment 3 Miroslav Grepl 2013-11-14 10:27:11 UTC
commit 0edc4223a97b26e26b91f02d2a39bd2f1a450825
Author: Miroslav Grepl <mgrepl>
Date:   Thu Nov 14 11:21:17 2013 +0100

    Add support for new zebra services:isisd,babeld. Add systemd support for zebra services.

commit 638a64f9f836d265a487467792a1dd87cf66d7a8
Author: Miroslav Grepl <mgrepl>
Date:   Thu Nov 14 11:22:59 2013 +0100

    Add support for 2608-2609 tcp/udp ports

Comment 5 Ludek Smid 2014-06-13 10:57:17 UTC
This request was resolved in Red Hat Enterprise Linux 7.0.

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