From a8a89cfaf983bc64f4b42f7c35209a5a36dd0fe8 Mon Sep 17 00:00:00 2001
From: markm <markm@FreeBSD.org>
Date: Thu, 4 Sep 1997 06:04:33 +0000
Subject: Initial import of KTH eBones. This has been cleaned up to only
 include the "core" Kerberos functionality. The rest of the userland will get
 their own changes later.

---
 crypto/kerberosIV/kadmin/pw_check.c | 87 +++++++++++++++++++++++++++++++++++++
 1 file changed, 87 insertions(+)
 create mode 100644 crypto/kerberosIV/kadmin/pw_check.c

(limited to 'crypto/kerberosIV/kadmin/pw_check.c')

diff --git a/crypto/kerberosIV/kadmin/pw_check.c b/crypto/kerberosIV/kadmin/pw_check.c
new file mode 100644
index 0000000..ac6912b
--- /dev/null
+++ b/crypto/kerberosIV/kadmin/pw_check.c
@@ -0,0 +1,87 @@
+/*
+ * Copyright (c) 1995, 1996, 1997 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. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *      This product includes software developed by the Kungliga Tekniska
+ *      Högskolan and its contributors.
+ * 
+ * 4. 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 "kadm_locl.h"
+
+RCSID("$Id: pw_check.c,v 1.13 1997/04/01 08:17:50 joda Exp $");
+
+/*
+ * kadm_pw_check
+ *
+ * pw		: new password or "" if none passed
+ * newkey	: key for pw as passed from client
+ * strings	: interesting strings to check for
+ *
+ * returns NULL if pw is ok, else an explanatory string
+ */
+int
+kadm_pw_check(char *pw, des_cblock *newkey, char **pw_msg, 
+	      char **strings)
+{
+  des_cblock pwkey;
+  int status=KADM_SUCCESS;
+  
+  if (pw == NULL || *pw == '\0')
+    return status;		/* XXX - Change this later */
+
+#ifndef NO_PW_CHECK
+  *pw_msg = NULL;
+  des_string_to_key(pw, &pwkey); /* Check AFS string to key also! */
+  if (memcmp(pwkey, *newkey, sizeof(pwkey)) != 0)
+    {
+      /* no password or bad key */
+      status=KADM_PW_MISMATCH;
+      *pw_msg = "Password doesn't match supplied DES key";
+    }
+  else if (strlen(pw) < MIN_KPW_LEN)
+    {
+      status = KADM_INSECURE_PW;
+      *pw_msg="Password is too short";
+    }
+  
+#ifdef DICTPATH
+  *pw_msg = FascistCheck(pw, DICTPATH, strings);
+  if (*pw_msg)
+    return KADM_INSECURE_PW;
+#endif
+
+  memset(pwkey, 0, sizeof(pwkey));
+#endif
+
+  return status;
+}
-- 
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