| Summary: | SELinux prevents dnsmasq from reading /etc/dnsmasq.d directory | ||
|---|---|---|---|
| Product: | Red Hat Enterprise Linux 7 | Reporter: | Petr Sklenar <psklenar> |
| Component: | selinux-policy | Assignee: | Miroslav Grepl <mgrepl> |
| Status: | CLOSED CURRENTRELEASE | QA Contact: | Milos Malik <mmalik> |
| Severity: | high | Docs Contact: | |
| Priority: | high | ||
| Version: | 7.0 | CC: | mmalik |
| Target Milestone: | rc | Keywords: | Regression |
| Target Release: | --- | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | Doc Type: | Bug Fix | |
| Doc Text: | Story Points: | --- | |
| Clone Of: | Environment: | ||
| Last Closed: | 2014-06-13 09:43:55 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: | |
commit 6fab44f39c74bd55c55f5401e0df9891aea085b8
Author: Miroslav Grepl <mgrepl>
Date: Mon Nov 25 14:19:56 2013 +0100
Allow dnsmasq to list dnsmasq.d directory
This request was resolved in Red Hat Enterprise Linux 7.0. Contact your manager or support representative in case you have further questions about the request. |
Description of problem: dnsmasq cannot start due to '/etc/dnsmasq.d: Permission denied' Version-Release number of selected component (if applicable): selinux-policy-3.12.1-103.el7.noarch dnsmasq-2.66-10.el7.x86_64 How reproducible: always Steps to Reproduce: # try to start dnsmasq service [root@hp-dl380pgen8-02-vm-7 ~]# rpm -q dnsmasq dnsmasq-2.66-10.el7.x86_64 [root@hp-dl380pgen8-02-vm-7 ~]# service dnsmasq start Redirecting to /bin/systemctl start dnsmasq.service [root@hp-dl380pgen8-02-vm-7 ~]# service dnsmasq status Redirecting to /bin/systemctl status dnsmasq.service dnsmasq.service - DNS caching server. Loaded: loaded (/usr/lib/systemd/system/dnsmasq.service; disabled) Active: failed (Result: exit-code) since Mon 2013-11-25 05:27:50 EST; 3s ago Process: 25132 ExecStart=/usr/sbin/dnsmasq -k (code=exited, status=3) Main PID: 25132 (code=exited, status=3) Nov 25 05:27:50 hp-dl380pgen8-02-vm-7.lab.bos.redhat.com systemd[1]: Starting DNS caching server.... Nov 25 05:27:50 hp-dl380pgen8-02-vm-7.lab.bos.redhat.com systemd[1]: Started DNS caching server.. Nov 25 05:27:50 hp-dl380pgen8-02-vm-7.lab.bos.redhat.com dnsmasq[25132]: dnsmasq: cannot access directory /etc/dnsmasq.d: Permission denied Nov 25 05:27:50 hp-dl380pgen8-02-vm-7.lab.bos.redhat.com systemd[1]: dnsmasq.service: main process exited, code=exited, status=3/NOTIMPLEMENTED Nov 25 05:27:50 hp-dl380pgen8-02-vm-7.lab.bos.redhat.com systemd[1]: Unit dnsmasq.service entered failed state. [root@hp-dl380pgen8-02-vm-7 ~]# cat /var/log/audit/audit.log | grep den type=AVC msg=audit(1385375218.314:84): avc: denied { read } for pid=9385 comm="dnsmasq" name="dnsmasq.d" dev="dm-1" ino=67823317 scontext=system_u:system_r:dnsmasq_t:s0 tcontext=system_u:object_r:dnsmasq_etc_t:s0 tclass=dir type=AVC msg=audit(1385375226.164:87): avc: denied { read } for pid=11707 comm="dnsmasq" name="dnsmasq.d" dev="dm-1" ino=67823317 scontext=system_u:system_r:dnsmasq_t:s0 tcontext=system_u:object_r:dnsmasq_etc_t:s0 tclass=dir type=AVC msg=audit(1385375270.734:90): avc: denied { read } for pid=25132 comm="dnsmasq" name="dnsmasq.d" dev="dm-1" ino=67823317 scontext=system_u:system_r:dnsmasq_t:s0 tcontext=system_u:object_r:dnsmasq_etc_t:s0 tclass=dir ### then I did setenforce 0: type=MAC_STATUS msg=audit(1385375348.652:92): enforcing=0 old_enforcing=1 auid=0 ses=2 type=SYSCALL msg=audit(1385375348.652:92): arch=c000003e syscall=1 success=yes exit=1 a0=3 a1=7fff49229a60 a2=1 a3=7fff49229820 items=0 ppid=9316 pid=25146 auid=0 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=pts0 ses=2 comm="setenforce" exe="/usr/sbin/setenforce" subj=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023 key=(null) type=USER_AVC msg=audit(1385375351.348:93): pid=1 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:init_t:s0 msg='avc: received setenforce notice (enforcing=0) exe="/usr/lib/systemd/systemd" sauid=0 hostname=? addr=? terminal=?' type=SERVICE_START msg=audit(1385375353.171:94): pid=1 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:init_t:s0 msg=' comm="dnsmasq" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success' type=AVC msg=audit(1385375353.174:95): avc: denied { read } for pid=25170 comm="dnsmasq" name="dnsmasq.d" dev="dm-1" ino=67823317 scontext=system_u:system_r:dnsmasq_t:s0 tcontext=system_u:object_r:dnsmasq_etc_t:s0 tclass=dir type=SYSCALL msg=audit(1385375353.174:95): arch=c000003e syscall=257 success=yes exit=4 a0=ffffffffffffff9c a1=7fd6456c7e10 a2=90800 a3=0 items=0 ppid=1 pid=25170 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="dnsmasq" exe="/usr/sbin/dnsmasq" subj=system_u:system_r:dnsmasq_t:s0 key=(null) Actual results: avc denial and service cannot be started Expected results: no denial Additional info: