From 9d5ee8d947433edd542ed441136d19e4f4033af4 Mon Sep 17 00:00:00 2001
From: Russ Allbery <rra@stanford.edu>
Date: Wed, 19 Sep 2007 22:43:15 +0000
Subject: Implement unchanging support in the keytab object backend, which
 retrieves keytabs via remctl from the KDC.

---
 perl/Wallet/Config.pm | 44 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)

(limited to 'perl/Wallet/Config.pm')

diff --git a/perl/Wallet/Config.pm b/perl/Wallet/Config.pm
index 4bc8e2f..9a1f9db 100644
--- a/perl/Wallet/Config.pm
+++ b/perl/Wallet/Config.pm
@@ -170,6 +170,17 @@ client.
 
 =over 4
 
+=item KEYTAB_CACHE
+
+Specifies the ticket cache to use when retrieving existing keytabs from the
+KDC.  This is only used to implement support for the C<unchanging> flag.
+The ticket cache must be for a principal with access to run C<keytab
+retrieve> via remctl on KEYTAB_REMCTL_HOST.
+
+=cut
+
+our $KEYTAB_CACHE;
+
 =item KEYTAB_FILE
 
 Specifies the keytab to use to authenticate to B<kadmind>.  The principal
@@ -245,6 +256,39 @@ default to the local realm.
 
 our $KEYTAB_REALM;
 
+=item KEYTAB_REMCTL_HOST
+
+The host to which to connect with remctl to retrieve existing keytabs.  This
+is only used to implement support for the C<unchanging> flag.  This host
+must provide the C<keytab retrieve> command and KEYTAB_CACHE must also be
+set to a ticket cache for a principal with access to run that command.
+
+=cut
+
+our $KEYTAB_REMCTL_HOST;
+
+=item KEYTAB_REMCTL_PRINCIPAL
+
+The service principal to which to authenticate when retrieving existing
+keytabs.  This is only used to implement support for the C<unchanging> flag.
+If this variable is not set, the default is formed by prepending C<host/> to
+KEYTAB_REMCTL_HOST.  (Note that KEYTAB_REMCTL_HOST is not lowercased first.)
+
+=cut
+
+our $KEYTAB_REMCTL_PRINCIPAL;
+
+=item KEYTAB_REMCTL_PORT
+
+The port on KEYTAB_REMCTL_HOST to which to connect with remctl to retrieve
+existing keytabs.  This is only used to implement support for the
+C<unchanging> flag.  If this variable is not set, the default remctl port
+will be used.
+
+=cut
+
+our $KEYTAB_REMCTL_PORT;
+
 =item KEYTAB_TMP
 
 A directory into which the wallet can write keytabs temporarily while
-- 
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