Bug 1176848

Summary: SELinux is preventing cannaserver from 'read' accesses on the file /etc/passwd.
Product: [Fedora] Fedora Reporter: ItSANgo
Component: selinux-policyAssignee: Lukas Vrabec <lvrabec>
Status: CLOSED ERRATA QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: unspecified Docs Contact:
Priority: unspecified    
Version: 21CC: dominick.grift, dwalsh, lvrabec, mgrepl, plautrba
Target Milestone: ---   
Target Release: ---   
Hardware: x86_64   
OS: Unspecified   
Whiteboard: abrt_hash:6ba8e2bc2a947729841deac1bac28fbc8fdd6cafa19c016a47c29cc549299596
Fixed In Version: selinux-policy-3.13.1-105.fc21 Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2015-01-30 23:55:08 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:

Description ItSANgo 2014-12-23 13:51:45 UTC
Description of problem:
I found this issue in these steps.
1) sudo dnf install Canna
2) sudo systemctl start canna.service
3) sudo cannakill
SELinux is preventing cannaserver from 'read' accesses on the file /etc/passwd.

*****  Plugin catchall (100. confidence) suggests   **************************

If cannaserver に、 passwd file の read アクセスがデフォルトで許可されるべきです。   
Then バグとして報告してください。 
ローカルのポリシーモジュールを生成すると、
 このアクセスを許可することができます。
Do
このアクセスを一時的に許可するには、以下を実行してください。
# grep cannaserver /var/log/audit/audit.log | audit2allow -M mypol
# semodule -i mypol.pp

Additional Information:
Source Context                system_u:system_r:canna_t:s0
Target Context                system_u:object_r:passwd_file_t:s0
Target Objects                /etc/passwd [ file ]
Source                        cannaserver
Source Path                   cannaserver
Port                          <Unknown>
Host                          (removed)
Source RPM Packages           
Target RPM Packages           setup-2.9.0-2.fc21.noarch
Policy RPM                    selinux-policy-3.13.1-103.fc21.noarch
Selinux Enabled               True
Policy Type                   targeted
Enforcing Mode                Enforcing
Host Name                     (removed)
Platform                      Linux (removed) 3.17.7-300.fc21.x86_64 #1 SMP Wed
                              Dec 17 03:08:44 UTC 2014 x86_64 x86_64
Alert Count                   3
First Seen                    2014-12-23 22:22:32 JST
Last Seen                     2014-12-23 22:29:35 JST
Local ID                      05bd30ef-540e-4182-93b5-6f7469c58a9f

Raw Audit Messages
type=AVC msg=audit(1419341375.741:569): avc:  denied  { read } for  pid=3750 comm="cannaserver" name="passwd" dev="dm-0" ino=402545 scontext=system_u:system_r:canna_t:s0 tcontext=system_u:object_r:passwd_file_t:s0 tclass=file permissive=0


Hash: cannaserver,canna_t,passwd_file_t,file,read

Version-Release number of selected component:
selinux-policy-3.13.1-103.fc21.noarch

Additional info:
reporter:       libreport-2.3.0
hashmarkername: setroubleshoot
kernel:         3.17.7-300.fc21.x86_64
type:           libreport

Comment 1 Daniel Walsh 2014-12-23 19:16:57 UTC
0e04862307f792862bf78790cbddde62741c4848 fixes this in git.

Comment 2 Lukas Vrabec 2015-01-15 14:34:39 UTC
commit 37649a409cf3d85a7a9e03eb16ac7faf1ca3de5b
Author: Dan Walsh <dwalsh>
Date:   Tue Dec 23 14:15:36 2014 -0500

    Allow canna go call getpw*

Comment 3 Fedora Update System 2015-01-27 16:49:45 UTC
selinux-policy-3.13.1-105.fc21 has been submitted as an update for Fedora 21.
https://admin.fedoraproject.org/updates/selinux-policy-3.13.1-105.fc21

Comment 4 Fedora Update System 2015-01-30 04:32:40 UTC
Package selinux-policy-3.13.1-105.fc21:
* should fix your issue,
* was pushed to the Fedora 21 testing repository,
* should be available at your local mirror within two days.
Update it with:
# su -c 'yum update --enablerepo=updates-testing selinux-policy-3.13.1-105.fc21'
as soon as you are able to.
Please go to the following url:
https://admin.fedoraproject.org/updates/FEDORA-2015-1337/selinux-policy-3.13.1-105.fc21
then log in and leave karma (feedback).

Comment 5 Fedora Update System 2015-01-30 23:55:08 UTC
selinux-policy-3.13.1-105.fc21 has been pushed to the Fedora 21 stable repository.  If problems still persist, please make note of it in this bug report.