Re: [LTP] [LTP PATCH] Create testcase for p9auth kernel module

["Serge E. Hallyn" <serue@us.ibm.com>]

Quoting Subrata Modak (subrata@linux.vnet.ibm.com):
> On Wed, 2009-09-16 at 16:28 -0500, Serge E. Hallyn wrote:
> > The p9auth module is a driver in the staging/ directory, which
> > implements kernel functionality supporting plan 9-style setuid.
> > Programs can be completely unprivileged, authorize themselves
> > to a privileged server, and obtain a token which they can use to
> > authorize a single setuid to a single specified new uid.
> > 
> > This testcase runs three tests:
> > 	1. make sure we can't setuid without a hash
> > 		(this is actually short-cut in the kernel code
> > 		so it might be worthwhile having a separate
> > 		test for having a hash, but an invalid one)
> > 	2. make sure we can setuid when there is a valid hash
> > 	3. make sure we cannot setuid if there is a valid hash,
> > 		but our original uid isn't the one specified
> > 		in the token.
> > 
> > Run the testcase using
> > 
> > 	./runltp -f p9auth
> > 
> > Signed-off-by: Serge E. Hallyn <serue@us.ibm.com>
> 
> Thanks Serge. The patch seems to be fine except that the following
> script:
> 
> 		runp9auth.sh
> 
> make[4]: Entering directory
> `/root/subrata/ltp/ltp-full-20090831/testcases/kernel/security/p9auth'
> make[4]: *** No rule to make target `runp9auth.sh', needed by `install'.
> Stop.
> make[4]: Leaving directory
> `/root/subrata/ltp/ltp-full-20090831/testcases/kernel/security/p9auth'
> make[3]: *** [install] Error 2
> make[3]: Leaving directory
> `/root/subrata/ltp/ltp-full-20090831/testcases/kernel/security'
> make[2]: *** [install] Error 2
> make[2]: Leaving directory
> `/root/subrata/ltp/ltp-full-20090831/testcases/kernel'
> make[1]: *** [install] Error 2
> make[1]: Leaving directory
> `/root/subrata/ltp/ltp-full-20090831/testcases'
> make: *** [install] Error 2

Oops.

> is missing from the patch. So, i was not able to test this. Can you
> please fix this and resend again. In your new patch, can you also
> include mentioning the following .config file options for enabling
> PLAN9AUTH in kernel, through ltp/README:
> 
> CONFIG_CRYPTO=y
> CONFIG_STAGING=y
> # CONFIG_STAGING_EXCLUDE_BUILD is not set
> CONFIG_PLAN9AUTH=m

After I sent it I remembered I didn't address the TODO about
checking for openssl and figured i'd get yelled at for that :)

I'll fix those up and resend when I can.

thanks,
-serge

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