--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/osdep/unix/ckp_std.c	Mon Sep 14 15:17:45 2009 +0900
@@ -0,0 +1,42 @@
+/* ========================================================================
+ * Copyright 1988-2006 University of Washington
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * 
+ * ========================================================================
+ */
+
+/*
+ * Program:	Standard check password
+ *
+ * Author:	Mark Crispin
+ *		Networks and Distributed Computing
+ *		Computing & Communications
+ *		University of Washington
+ *		Administration Building, AG-44
+ *		Seattle, WA  98195
+ *		Internet: MRC@CAC.Washington.EDU
+ *
+ * Date:	1 August 1988
+ * Last Edited:	30 August 2006
+ */
+
+/* Check password
+ * Accepts: login passwd struct
+ *	    password string
+ *	    argument count
+ *	    argument vector
+ * Returns: passwd struct if password validated, NIL otherwise
+ */
+
+struct passwd *checkpw (struct passwd *pw,char *pass,int argc,char *argv[])
+{
+  return (pw->pw_passwd && pw->pw_passwd[0] && pw->pw_passwd[1] &&
+	  !strcmp (pw->pw_passwd,(char *) crypt (pass,pw->pw_passwd))) ?
+	    pw : NIL;
+}