Re: LTP SELinux policy error

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Resending on the SELinux list as I accidentally sent it with my personal
addr, so it got dropped.


On Fri, 2009-01-30 at 11:14 -0600, Serge E. Hallyn wrote:
> Quoting Stephen Smalley (sds@xxxxxxxxxxxxx):
> > On Thu, 2009-01-29 at 11:51 -0500, Christopher J. PeBenito wrote:
> > > On Thu, 2009-01-29 at 08:42 -0500, Christopher J. PeBenito wrote:
> > > > On Thu, 2009-01-29 at 21:32 +1100, James Morris wrote:
> > > > > I'm trying to run the LTP SELinux tests using the latest CVS version of 
> > > > > LTP and current Fedora development, and get the following policy 
> > > > > compilation error:
> > > > > 
> > > > > ----
> > > > > Compiling targeted test_policy module
> > > > > 
> > > > > test_policy.te:1730: Warning: r_dir_perms is deprecated please use list_dir_perms instead.
> > > > > test_policy.te:1731: Warning: r_file_perms is deprecated please use read_file_perms instead.
> > > > > [lots of warnings similar to the above]
> > > > > 
> > > > > /usr/bin/checkmodule:  loading policy configuration from 
> > > > > tmp/test_policy.tmp
> > > > > test_policy.te":16:ERROR 'syntax error' at token 
> > > > > 'userdom_use_sysadm_terms' on line 3198:
> > > > > userdom_use_sysadm_terms(testdomain)
> > > > > # This allows read and write sysadm ttys and ptys.
> > > > > /usr/bin/checkmodule:  error(s) encountered while parsing configuration
> > > > > make[1]: *** [tmp/test_policy.mod] Error 1
> > > > > make[1]: Leaving directory `/usr/share/selinux/devel'
> > > > > make: *** [load] Error 2
> > > > > Failed to build and load test_policy module, aborting test run.
> > > > > ----
> > > > > 
> > > > > Is this likely to be fixed soon, and/or any suggestions for a workaround?
> > > > 
> > > > It won't compile with the current trunk refpolicy, since the current
> > > > release was a major, API breaking change.  I'll try to get a patch out
> > > > shortly.
> > > 
> > > I updated the policy since its fairly old, though I didn't convert its
> > > raw rules over to use interfaces.  However this didn't completely fix
> > > it, as there is usage of a "unconfined_runs_test()", which isn't in the
> > > upstream refpolicy nor the fedora policy, as far as I can see.  One of
> > > the updates includes use of sysadm_entry_spec_domtrans_to(), which is in
> > > the upstream refpolicy, but doesn't seem to have made its way downstream
> > > to the fedora policy.  I have attached my work so someone familiar with
> > > the LTP test cases can use it to complete the fix.
> > 
> > Serge put together a patch and script under selinux-testsuite/misc that
> > defines unconfined_runs_test() as well as converting some of the
> > interfaces.  That was done so that the ltp testsuite could still be run
> > on older distributions (w/ the older policy) and on newer distributions
> > (w/ the patch applied to perform conversion).  It was originally done
> > based on the deprecation of the sbin interfaces, which is why it is
> > named that way even though it now includes more than just conversion of
> > those interfaces.
> 
> (Sorry, this thread is rolling into my inbox delayed and out-of-order)
> 
> So the unconfined_runs_test() shouldn't actually be a problem (right,
> Chris? pls let me know if you actually get compile failures as then
> something went wrong with the build scripts).

I just went to the directory and ran make.  Sounds like I might have
done something wrong.

> But what could have happened with sysadm_entry_spec_domtrans_to()?  It
> must have been in fedora's policy before, since it definately worked on
> fedora 7 and 8.  Has it been removed?  (I'll fire up a f10 partition and
> look through the policy sources...)

Well it used to be userdom_sysadm_entry_spec_domtrans_to().

> As for the list_dir_perms and read_file_perms, have those always macros
> in the refpolicy?  If so, then a straight search-and-replace is fine.
> If not, then we'll have to do another hook at the policy build to make
> the substitutions only when the policy is new enough.  :(

Those have been around for a while.  While the old r_dir_perms and
r_file_perms macros aren't going anywhere for the forseeable future,
their use is problematic as those may not get updated for new perms,
such as open.

-- 
Chris PeBenito
<pebenito@xxxxxxxxxx>
Developer,
Hardened Gentoo Linux
 
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