Need some help with a new policy module
Daniel J Walsh
dwalsh at redhat.com
Thu Sep 11 12:57:34 UTC 2008
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Fred Wittekind wrote:
> I'm trying to write a new policy for PvPGN.
>
> When I try to start the service via the init script I get:
> Starting PvPGN game server: /usr/sbin/bnetd: error while loading shared
> libraries: libm.so.6: cannot open shared object file: Permission denied
> [FAILED]
>
> And:
> host=twister.dragon type=AVC msg=audit(1221090145.148:30403): avc:
> denied { search } for pid=3526 comm="bnetd" name="usr" dev=dm-0
> ino=3284993 scontext=unconfined_u:system_r:pvpgn_t:s0
> tcontext=system_u:object_r:usr_t:s0 tclass=dir
>
> host=twister.dragon type=SYSCALL msg=audit(1221090145.148:30403):
> arch=40000003 syscall=195 success=no exit=-13 a0=bfaad190 a1=bfaad1f0
> a2=ca3fc0 a3=8 items=0 ppid=3525 pid=3526 auid=500 uid=0 gid=0 euid=0
> suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=pts0 ses=151 comm="bnetd"
> exe="/usr/sbin/bnetd" subj=unconfined_u:system_r:pvpgn_t:s0 key=(null)
>
> Policy RPM selinux-policy-3.3.1-84.fc9
>
>
> If I run the service from the command line without the init script, it
> works. I'm sure I'm missing something stuipid, just can't figure out
> what it is. Can't figure out why it works without the initscript, and
> throws selinux errors when run from the init script.
>
> Thanks in advance for any help.
>
> Fred Wittekind IV
>
>
> ------------------------------------------------------------------------
>
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Fred if you use policy_module(pvpgn, 1.0.0)
You will get all of the gen_require stuff for free.
corenet_udp_bind_generic_port(pvpgn_t)
corenet_tcp_bind_generic_port(pvpgn_t)
You really should define a port and then allow pvpgn bind to the
specific port. (Unless pvpgn binds to random ports?)
If this is on Fedora 10 you might want to add
permissive pvpgn_t;
Which will allow the daemon to run in permissive mode while you are testing.
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