1 files changed, 76 insertions, 0 deletions
diff --git a/crypto/heimdal/lib/krb5/aname_to_localname.c b/crypto/heimdal/lib/krb5/aname_to_localname.c
new file mode 100644
index 000000000000..c125580a7c13
--- /dev/null
+++ b/crypto/heimdal/lib/krb5/aname_to_localname.c
@@ -0,0 +1,76 @@
+/*
+ * Copyright (c) 1997 - 1999 Kungliga Tekniska H�gskolan
+ * (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: aname_to_localname.c,v 1.3 1999/12/02 17:05:07 joda Exp $");
+
+krb5_error_code
+krb5_aname_to_localname (krb5_context context,
+			 krb5_const_principal aname,
+			 size_t lnsize,
+			 char *lname)
+{
+    krb5_error_code ret;
+    krb5_realm *lrealms, *r;
+    int foo = 1;
+    size_t len;
+    char *res;
+
+    ret = krb5_get_default_realms (context, &lrealms);
+    if (ret)
+	return ret;
+
+    for (r = lrealms; *r != NULL; ++r) {
+	foo = strcmp (*r, aname->realm);
+	if (foo == 0)
+	    break;
+    }
+    krb5_free_host_realm (context, lrealms);
+    if (foo != 0)
+	return KRB5_NO_LOCALNAME;
+
+    if (aname->name.name_string.len == 1)
+	res = aname->name.name_string.val[0];
+    else if (aname->name.name_string.len == 2
+	     && strcmp (aname->name.name_string.val[1], "root") == 0)
+	res = "root";
+    else
+	return KRB5_NO_LOCALNAME;
+
+    len = strlen (res);
+    if (len >= lnsize)
+	return ERANGE;
+    strcpy (lname, res);
+    return 0;
+}