The sample client sclient crashes during initialization. It also crashes
before trying to print an error message if authentication fails. It appears
to need the following patch.

I reported the first part of this bug and fix directly to MIT but forgot
the second part. Oops.

---
/vesta/src.dec.com/test2/kerbtest/checkout/1/17/src/sclient/sclient.c     
Wed Oct 11 19:57:23 2000
+++ sclient.c   Wed Oct 11 21:36:08 2000
@@ -77,6 +77,7 @@
        exit(1);
     }
 
+    memset(&context, 0, sizeof(context));
     retval = krb5_init_context(&context);
     if (retval) {
            com_err(argv[0], retval, "while initializing krb5");
@@ -176,7 +177,7 @@
     krb5_free_principal(context, server);      /* finished using it */
     krb5_free_principal(context, client);      
     krb5_cc_close(context, ccdef);
-    krb5_auth_con_free(context, auth_context);
+    if (auth_context) krb5_auth_con_free(context, auth_context);
 
     if (retval && retval != KRB5_SENDAUTH_REJECTED) {
        com_err(argv[0], retval, "while using sendauth");