--- nfs-utils-1.2.3.dist/aclocal/kerberos5.m4~	2010-09-28 14:24:16.000000000 +0200
+++ nfs-utils-1.2.3.dist/aclocal/kerberos5.m4	2010-10-03 14:13:17.274424855 +0200
@@ -56,7 +56,11 @@
       dnl of Heimdal Kerberos on SuSe
       elif test \( -f $dir/include/heim_err.h -o\
       		 -f $dir/include/heimdal/heim_err.h \) -a \
-                -f $dir/lib/libroken.a; then
+                \( -f $dir/lib/libroken.a -o \
+                   -f $dir/lib64/libroken.a -o \
+                   -f $dir/lib64/libroken.so -o \
+                   -f $dir/lib/libroken.so \) ; then
+         K5VERS=`$K5CONFIG --version | head -n 1 | awk '{split($(2),v,"."); if (v@<:@"3"@:>@ == "") v@<:@"3"@:>@ = "0"; print v@<:@"1"@:>@v@<:@"2"@:>@v@<:@"3"@:>@ }'`
          AC_DEFINE(HAVE_HEIMDAL, 1, [Define this if you have Heimdal Kerberos libraries])
          KRBDIR="$dir"
          gssapi_lib=gssapi
--- nfs-utils-2.5.3/utils/gssd/krb5_util.c.orig	2021-02-20 18:16:52.000000000 +0100
+++ nfs-utils-2.5.3/utils/gssd/krb5_util.c	2021-02-24 21:11:01.392926374 +0100
@@ -891,7 +891,11 @@
 		myhostad[i+1] = 0;
 	}
 	if (adhostoverride)
+#ifdef HAVE_HEIMDAL
+		free(adhostoverride);
+#else
 		krb5_free_string(context, adhostoverride);
+#endif
 
 	code = krb5_get_default_realm(context, &default_realm);
 	if (code) {
@@ -1050,9 +1054,37 @@
 {
 	krb5_error_code ret;
 	krb5_creds creds;
-	krb5_cc_cursor cur;
 	int found = 0;
 
+#ifdef HAVE_HEIMDAL
+	krb5_creds pattern;
+	krb5_const_realm client_realm;
+
+	krb5_cc_clear_mcred(&pattern);
+
+	client_realm = krb5_principal_get_realm (context, principal);
+
+	ret = krb5_make_principal (context, &pattern.server,
+				   client_realm, KRB5_TGS_NAME, client_realm,
+				   NULL);
+	if (ret)
+	  krb5_err (context, 1, ret, "krb5_make_principal");
+	pattern.client = principal;
+
+	ret = krb5_cc_retrieve_cred (context, ccache, 0, &pattern, &creds);
+	krb5_free_principal (context, pattern.server);
+	if (ret) {
+	  if (ret == KRB5_CC_END)
+            return 1;
+	  krb5_err (context, 1, ret, "krb5_cc_retrieve_cred");
+	}
+
+	found = creds.times.endtime > time(NULL);
+
+	krb5_free_cred_contents (context, &creds);
+#else
+	krb5_cc_cursor cur;
+
 	ret = krb5_cc_start_seq_get(context, ccache, &cur);
 	if (ret) 
 		return 0;
@@ -1072,6 +1104,7 @@
 		krb5_free_cred_contents(context, &creds);
 	}
 	krb5_cc_end_seq_get(context, ccache, &cur);
+#endif
 
 	return found;
 }
@@ -1118,6 +1151,9 @@
 	}
 	krb5_free_principal(context, principal);
 err_princ:
+#ifdef HAVE_HEIMDAL
+#define KRB5_TC_OPENCLOSE              0x00000001
+#endif
 	krb5_cc_set_flags(context, ccache,  KRB5_TC_OPENCLOSE);
 	krb5_cc_close(context, ccache);
 err_cache:
@@ -1455,7 +1491,7 @@
 #endif
 	if (msg != NULL)
 		return msg;
-#if HAVE_KRB5
+#ifdef HAVE_KRB5
 	return strdup(error_message(code));
 #else
 	if (context != NULL)