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From krb5-bugs-incoming-bounces@PCH.MIT.EDU  Mon Aug 20 17:02:03 2007
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To: krb5-bugs@mit.edu
Subject: bug in kadmin listprincs
From: mdw@umich.edu
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>Submitter-Id:	net
>Originator:	 mdw@umich.edu
>Organization:
	University of Michigan
>Confidential:	no
>Synopsis:	listprincs *z is broken
>Severity:	non-critical
>Priority:	low
>Category:	krb5-admin
>Class:		sw-bug
>Release:	1.6.2
>Environment:
	dell gx1p running umce linux, krb5 1.6.2+patches
System: Linux lose-the-lion.ifs.umich.edu 2.4.26-generic #1 SMP Sat Jun 19 04:03:39 EDT 2004 i686 unknown unknown GNU/Linux
Architecture: i686

>Description:
	The command
	listprincs *z
	causes the routine "glob_to_regexp()" in lib/kadm5/srv/svr_iters.c
	to be called which converts the given glob expression into a
	regular expression.  If no realm is specified, then this logic
	tacks on "@*", resulting in "^.*z@*$".	This results in matching
	z followed by 0 or more @ signs at the end of the principal name.
	Unless the local realm name happens to end in z, this likely
	won't match anything.
>How-To-Repeat:
	construct or use a kerberos database that does not contain
	a lower-case 'z' in the realm name.  Add one or more principals
	that contain 'z' in the principal name.
	Now,
	listprincs *z@*
	will list those principals, but
	listprincs *z
	will fail to find them.
>Fix:
	Run-time workaround, for listprinc patterns that don't already specify
	the realm, and do not end in *, finish out the regular expression with @*.
	Compile-time fix, apply the patch in
	/afs/umich.edu/group/itd/build/mdw/krb5.15x/patches/krb5-1.6.2-rlmre1.patch