Re: Strict policy on FC6 and F7

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Hi,

I've fixed the typo problem on nlsms_relay. Now the module compiles ok, but I can't load it via
semodule, i'm getting this error:

semodule -vi local.pp

libsepol.permission_copy_callback: Module local depends on permission nlsms_relay in class
netlink_
audit_socket, not satisfied
libsemanage.semanage_link_sandbox: Link packages failed
semodule:  Failed!

My local.te looks like this now,

----------------------------

policy_module(local,1.0)

require {

        type local_login_t;
        class netlink_audit_socket { append bind connect shutdown ioctl getattr setattr shutdown
ge
topt setopt write nlsms_relay nlmsg_read create read };
}
logging_send_audit_msg(local_login_t)
logging_set_loginuid(local_login_t)

-----------------------

I don't quite understand why there is a dependancy not satisfied.

Thanks,
Louis

--- Stephen Smalley <sds@xxxxxxxxxxxxx> wrote:

> On Thu, 2007-08-09 at 19:36 -0700, Louis Lam wrote:
> > Hi,
> > 
> > I'm still having problems compiling the local.te module. The problem
> > i'm facing seems to be different from Hal's:
> > 
> > --------------------
> > local.te:11:ERROR 'permission nlsms_relay is not defined for class
> > netlink_audit_socket' at token '
> > ;' on line 80809:
> >         allow local_login_t self:netlink_audit_socket { { create
> > { ioctl read getattr write setattr
> >  append bind connect getopt setopt shutdown } } nlmsg_read
> > nlsms_relay };
> 
> Looks like a typo in the policy includes to me (nlsms_relay vs.
> nlmsg_relay).  
> 
> > #line 11
> > /usr/bin/checkmodule:  error(s) encountered while parsing
> > configuration
> > make: *** [tmp/local.mod] Error 1
> > ---------------------
> > 
> > My local.te file looks like this:
> > -------------
> > policy_module(local,1.0)
> > 
> > require {
> > 
> >         type local_login_t;
> >         class netlink_audit_socket { append bind connect shutdown
> > ioctl getattr setattr shutdown ge
> > topt setopt write nlmsg_relay nlmsg_read create read };
> > }
> > 
> > 
> > logging_send_audit_msg(local_login_t)
> > logging_set_loginuid(local_login_t)
> > 
> > -------------
> > 
> > Seems like the problem is with logging_set_loginuid macro. I'm not
> > sure how to solve this problem though.
> > 
> > BTW here are some details on my environment:
> > 
> > 1. I'm using the stock policy for FC7 2.6.4-8
> > 2. I did the compilation while running in targeted mode (will it
> > affect?)
> > 3. The macro logging_set_loginuid is defined in the file
> > policy-20070501.patch
> > 
> > Here is an extract of how logging_set_loginuid is defined in the
> > patch :
> > 
> > +########################################
> > +## <summary>
> > +##     Set login uid
> > +## </summary>
> > +## <param name="domain">
> > +##     <summary>
> > +##     Domain allowed access.
> > +##     </summary>
> > +## </param>
> > +#
> > +interface(`logging_set_loginuid',`
> > +       gen_require(`
> > +               attribute can_set_loginuid;
> > +               attribute can_send_audit_msg;
> > +       ')
> > +
> > +       typeattribute $1 can_set_loginuid, can_send_audit_msg;
> > +
> > +       allow $1 self:capability audit_control;
> > +       allow $1 self:netlink_audit_socket { create_socket_perms
> > nlmsg_read nlsms_relay };
> > +')
> 
> Looks like the typo is there, and that interface doesn't seem to be
> present in the upstream refpolicy.
> 
> -- 
> Stephen Smalley
> National Security Agency
> 
> 


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