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Bug 890687

Summary: rsyncd cannot append to tcontext=system_u:object_r:var_log_t
Product: Red Hat Enterprise Linux 6 Reporter: jcpunk
Component: selinux-policyAssignee: Miroslav Grepl <mgrepl>
Status: CLOSED ERRATA QA Contact: Milos Malik <mmalik>
Severity: low Docs Contact:
Priority: unspecified    
Version: 6.3CC: csieh, dwalsh, mmalik, tlavigne
Target Milestone: rc   
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: selinux-policy-3.7.19-190.el6 Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2013-02-21 08:33:38 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:

Description jcpunk 2012-12-28 18:37:24 UTC
Description of problem: I would like to configure rsyncd to log directly to a specific file (/var/log/rsyncd.log).  The default selinux policy seems to let me create the logfile, but not append to it.


audit.log:type=AVC msg=audit(1356671905.822:1360202): avc:  denied  { append } for  pid=22174 comm="rsync" name="rsyncd.log" dev=sda6 ino=46 scontext=unconfined_u:system_r:rsync_t:s0-s0:c0.c1023 tcontext=system_u:object_r:var_log_t:s0 tclass=file
audit.log:type=AVC msg=audit(1356671906.132:1360203): avc:  denied  { append } for  pid=22177 comm="rsync" name="rsyncd.log" dev=sda6 ino=46 scontext=unconfined_u:system_r:rsync_t:s0-s0:c0.c1023 tcontext=system_u:object_r:var_log_t:s0 tclass=file



Version-Release number of selected component (if applicable): selinux-policy-3.7.19-155.el6_3.8


How reproducible: 100%


Steps to Reproduce:
1. set 'log file = /var/log/rsyncd.log' in /etc/rsyncd.conf
2. chkconfig rsync on
3. chkconfig xinetd on
4. do something worth logging
5. stop xinetd
6. start xinetd
7. do something worth logging
8. note new actions are not in the log
  
Actual results:
stops using log

Expected results:
continues to use log

Additional info:

rsyncd falls back to syslog when it cannot open the log file

Comment 2 Miroslav Grepl 2012-12-30 21:51:20 UTC
We allow it in Fedora

allow daemon logfile : file { ioctl getattr lock append } ;

You can allow it for now using

# grep rsync_t /var/log/audit/audit.log |audit2allow -R -M myrsync
# semodule -i myrsync.pp

Comment 5 errata-xmlrpc 2013-02-21 08:33:38 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.

http://rhn.redhat.com/errata/RHBA-2013-0314.html