r8302: import mini HEIMDAL into the tree

(This used to be commit 118be28a7aef233799956615a99d1a2a74dac175)

1 files changed, 84 insertions, 0 deletions

diff --git a/source4/heimdal/lib/krb5/get_default_realm.c b/source4/heimdal/lib/krb5/get_default_realm.c
new file mode 100644
index 0000000000..bb72daf373
--- /dev/null
+++ b/source4/heimdal/lib/krb5/get_default_realm.c
@@ -0,0 +1,84 @@
+/*
+ * Copyright (c) 1997 - 2001, 2004 Kungliga Tekniska Högskolan
+ * (Royal Institute of Technology, Stockholm, Sweden). 
+ * All rights reserved. 
+ *
+ * Redistribution and use in source and binary forms, with or without 
+ * modification, are permitted provided that the following conditions 
+ * are met: 
+ *
+ * 1. Redistributions of source code must retain the above copyright 
+ *    notice, this list of conditions and the following disclaimer. 
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright 
+ *    notice, this list of conditions and the following disclaimer in the 
+ *    documentation and/or other materials provided with the distribution. 
+ *
+ * 3. Neither the name of the Institute nor the names of its contributors 
+ *    may be used to endorse or promote products derived from this software 
+ *    without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 
+ * SUCH DAMAGE. 
+ */
+
+#include "krb5_locl.h"
+
+RCSID("$Id: get_default_realm.c,v 1.13 2004/05/25 21:27:17 lha Exp $");
+
+/*
+ * Return a NULL-terminated list of default realms in `realms'.
+ * Free this memory with krb5_free_host_realm.
+ */
+
+krb5_error_code KRB5_LIB_FUNCTION
+krb5_get_default_realms (krb5_context context,
+			 krb5_realm **realms)
+{
+    if (context->default_realms == NULL) {
+	krb5_error_code ret = krb5_set_default_realm (context, NULL);
+	if (ret)
+	    return KRB5_CONFIG_NODEFREALM;
+    }
+
+    return krb5_copy_host_realm (context,
+				 context->default_realms,
+				 realms);
+}
+
+/*
+ * Return the first default realm.  For compatibility.
+ */
+
+krb5_error_code KRB5_LIB_FUNCTION
+krb5_get_default_realm(krb5_context context,
+		       krb5_realm *realm)
+{
+    krb5_error_code ret;
+    char *res;
+
+    if (context->default_realms == NULL
+	|| context->default_realms[0] == NULL) {
+	krb5_clear_error_string(context);
+	ret = krb5_set_default_realm (context, NULL);
+	if (ret)
+	    return ret;
+    }
+
+    res = strdup (context->default_realms[0]);
+    if (res == NULL) {
+	krb5_set_error_string(context, "malloc: out of memory");
+	return ENOMEM;
+    }
+    *realm = res;
+    return 0;
+}