apcupsd

[Moray Henderson]

Hi SELinux


Trying to start apcupsd (version 3.14.10) configured for snmp on CentOS 6.3
(targeted policy 3.7.19) results in 

----
time->Tue Dec 18 16:07:47 2012
type=SYSCALL msg=audit(1355846867.862:18629): arch=c000003e syscall=49
success=yes exit=0 a0=4 a1=7fffabaa61f0 a2=10 a3=7fffabaa5f30 items=0 ppid=1
pid=2162 auid=0 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0
tty=(none) ses=2 comm="apcupsd" exe="/sbin/apcupsd"
subj=unconfined_u:system_r:apcupsd_t:s0 key=(null)
type=AVC msg=audit(1355846867.862:18629): avc:  denied  { node_bind } for
pid=2162 comm="apcupsd" scontext=unconfined_u:system_r:apcupsd_t:s0
tcontext=system_u:object_r:node_t:s0 tclass=udp_socket
sls.test.office:~# ausearch -a 18629 -a 18630
----
time->Tue Dec 18 16:07:47 2012
type=SYSCALL msg=audit(1355846867.864:18630): arch=c000003e syscall=49
success=yes exit=0 a0=5 a1=7fffabaa61f0 a2=10 a3=7fffabaa5f30 items=0 ppid=1
pid=2162 auid=0 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0
tty=(none) ses=2 comm="apcupsd" exe="/sbin/apcupsd"
subj=unconfined_u:system_r:apcupsd_t:s0 key=(null)
type=AVC msg=audit(1355846867.864:18630): avc:  denied  { net_bind_service }
for  pid=2162 comm="apcupsd" capability=10
scontext=unconfined_u:system_r:apcupsd_t:s0
tcontext=unconfined_u:system_r:apcupsd_t:s0 tclass=capability
type=AVC msg=audit(1355846867.864:18630): avc:  denied  { name_bind } for
pid=2162 comm="apcupsd" src=162 scontext=unconfined_u:system_r:apcupsd_t:s0
tcontext=system_u:object_r:snmp_port_t:s0 tclass=udp_socket

If SELinux is enforcing, apcupsd crashes.  If SELinux is permissive, it
works.

apcupsd.conf contains

UPSCABLE ether
UPSTYPE snmp
DEVICE 192.168.1.1:161:APC:private

Is there a configuration, Boolean or a policy-writing macro to fix this
easily?



Moray.
"To err is human; to purr, feline."