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Re: List of avc for fedora 16



On Sat, 2011-09-24 at 19:45 -0700, David Highley wrote:
> "Dominick Grift wrote:"
> > 
> > 
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> > 
> > On Fri, 2011-09-23 at 20:10 -0700, David Highley wrote:
> > > I checked bugzilla but did not see anything about this list of avc
> > > alerts for fedora 16. Should they be reported or is something miss
> > > configured?
> > >=20
> > >=20
> > 
> > sesebool-P allow_ypbind on
> 
> The bool gets turned off in the reboot process. 

Thats strange, is systemd turning it back off? 

> It solves almost all the
> avc issues but a few remained which were solved with this policy file:
> module mysystemd 1.0;
> 
> require {
>         type systemd_logind_t;
>         type var_yp_t;
>         type node_t;
>         type hi_reserved_port_t;
>         class udp_socket { name_bind bind create setopt node_bind };
>         class file { read open };
> }
> 
> #============= systemd_logind_t ==============
> allow systemd_logind_t hi_reserved_port_t:udp_socket name_bind;
> allow systemd_logind_t node_t:udp_socket node_bind;
> allow systemd_logind_t self:udp_socket { bind create setopt };
> allow systemd_logind_t var_yp_t:file { read open };

This is likely a bug, Could you file a bugzilla for the above?

> We also need to do a systemctl restart autofs.service after boot up. We
> use NIS and auto mounted home directories.
> 

> > should fix it. if it does than this should not be reported
> > 
> > There is a way to check whether a specified AVC denial can be allowed,
> > for example your first avc denial:
> > 
> > > #=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D accountsd_t =3D=3D=3D=3D=3D=3D=
> > =3D=3D=3D=3D=3D=3D=3D=3D
> > > #!!!! This avc is allowed in the current policy
> > >=20
> > > allow accountsd_t hi_reserved_port_t:tcp_socket name_bind;
> > > #!!!! This avc is allowed in the current policy
> > 
> > # sesearch -SCT --allow -s accountsd_t -t hi_reserved_port_t -c
> > tcp_socket -p name_bind
> > 
> > Found 1 semantic av rules:
> > DT allow nsswitch_domain rpc_port_type : tcp_socket name_bind ;
> > [ allow_ypbind ]
> > 
> > This tells me that this access can be allowed by toggling the
> > allow_ypbind boolean to enabled. The DT tells me that this boolean is
> > currently disabled.
> > 
> > > allow accountsd_t portmap_port_t:tcp_socket name_connect;
> > > #!!!! This avc is allowed in the current policy
> > >=20
> > > allow accountsd_t var_yp_t:dir search;
> > >=20
> > > #=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D automount_t =3D=3D=3D=3D=3D=3D=
> > =3D=3D=3D=3D=3D=3D=3D=3D
> > > #!!!! This avc is allowed in the current policy
> > >=20
> > > allow automount_t var_yp_t:file read;
> > >=20
> > > #=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D policykit_t =3D=3D=3D=3D=3D=3D=
> > =3D=3D=3D=3D=3D=3D=3D=3D
> > > #!!!! This avc is allowed in the current policy
> > >=20
> > > allow policykit_t hi_reserved_port_t:tcp_socket name_bind;
> > > #!!!! This avc is allowed in the current policy
> > >=20
> > > allow policykit_t kerberos_port_t:tcp_socket name_bind;
> > > #!!!! This avc is allowed in the current policy
> > >=20
> > > allow policykit_t kprop_port_t:tcp_socket name_bind;
> > > #!!!! This avc is allowed in the current policy
> > >=20
> > > allow policykit_t portmap_port_t:tcp_socket name_connect;
> > > #!!!! This avc is allowed in the current policy
> > >=20
> > > allow policykit_t var_yp_t:dir search;
> > >=20
> > > #=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D sshd_t =3D=3D=3D=3D=3D=3D=3D=3D=
> > =3D=3D=3D=3D=3D=3D
> > > #!!!! This avc is allowed in the current policy
> > >=20
> > > allow sshd_t ftp_port_t:tcp_socket name_bind;
> > > #!!!! This avc is allowed in the current policy
> > >=20
> > > allow sshd_t hi_reserved_port_t:tcp_socket name_bind;
> > > #!!!! This avc is allowed in the current policy
> > >=20
> > > allow sshd_t hi_reserved_port_t:udp_socket name_bind;
> > > #!!!! This avc is allowed in the current policy
> > >=20
> > > allow sshd_t spamd_port_t:tcp_socket name_bind;
> > > #!!!! This avc is allowed in the current policy
> > >=20
> > > allow sshd_t var_yp_t:dir search;
> > >=20
> > > #=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D system_dbusd_t =3D=3D=3D=3D=3D=
> > =3D=3D=3D=3D=3D=3D=3D=3D=3D
> > > #!!!! This avc is allowed in the current policy
> > >=20
> > > allow system_dbusd_t hi_reserved_port_t:tcp_socket name_bind;
> > > #!!!! This avc is allowed in the current policy
> > >=20
> > > allow system_dbusd_t portmap_port_t:tcp_socket name_connect;
> > > #!!!! This avc is allowed in the current policy
> > >=20
> > > allow system_dbusd_t rndc_port_t:tcp_socket name_bind;
> > >=20
> > > #=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D xdm_dbusd_t =3D=3D=3D=3D=3D=3D=
> > =3D=3D=3D=3D=3D=3D=3D=3D
> > > #!!!! This avc is allowed in the current policy
> > >=20
> > > allow xdm_dbusd_t hi_reserved_port_t:tcp_socket name_bind;
> > > #!!!! This avc is allowed in the current policy
> > >=20
> > > allow xdm_dbusd_t portmap_port_t:tcp_socket name_connect;
> > > --
> > > selinux mailing list
> > > selinux@xxxxxxxxxxxxxxxxxxxxxxx
> > > https://admin.fedoraproject.org/mailman/listinfo/selinux
> > 
> > 
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> > --
> > selinux mailing list
> > selinux@xxxxxxxxxxxxxxxxxxxxxxx
> > https://admin.fedoraproject.org/mailman/listinfo/selinux
> > --===============4683794954818469668==--
> > 
> 
> 


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