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authormarkm <markm@FreeBSD.org>2000-01-09 20:58:00 +0000
committermarkm <markm@FreeBSD.org>2000-01-09 20:58:00 +0000
commit4ecbd6db44d79348bc815f31096e53104f50838b (patch)
tree36fa73706fa0587a390c45a3fbf17c9523cb0e35 /crypto/heimdal/lib/kadm5/sample_passwd_check.c
downloadFreeBSD-src-4ecbd6db44d79348bc815f31096e53104f50838b.zip
FreeBSD-src-4ecbd6db44d79348bc815f31096e53104f50838b.tar.gz
Import KTH Heimdal, which will be the core of our Kerberos5.
Userland to follow.
Diffstat (limited to 'crypto/heimdal/lib/kadm5/sample_passwd_check.c')
-rw-r--r--crypto/heimdal/lib/kadm5/sample_passwd_check.c85
1 files changed, 85 insertions, 0 deletions
diff --git a/crypto/heimdal/lib/kadm5/sample_passwd_check.c b/crypto/heimdal/lib/kadm5/sample_passwd_check.c
new file mode 100644
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+++ b/crypto/heimdal/lib/kadm5/sample_passwd_check.c
@@ -0,0 +1,85 @@
+/*
+ * Copyright (c) 1999 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 KTH 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 KTH AND ITS 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 KTH OR ITS 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. */
+
+/* $Id: sample_passwd_check.c,v 1.1 1999/09/10 10:11:03 assar Exp $ */
+
+#include <string.h>
+#include <stdlib.h>
+#include <krb5.h>
+
+/* specify the api-version this library conforms to */
+
+int version = 0;
+
+/* just check the length of the password, this is what the default
+ check does, but this lets you specify the minimum length in
+ krb5.conf */
+const char*
+check_length(krb5_context context,
+ krb5_principal prinipal,
+ krb5_data *password)
+{
+ int min_length = krb5_config_get_int_default(context, NULL, 6,
+ "password_quality",
+ "min_length",
+ NULL);
+ if(password->length < min_length)
+ return "Password too short";
+ return NULL;
+}
+
+#ifdef DICTPATH
+
+/* use cracklib to check password quality; this requires a patch for
+ cracklib that can be found at
+ ftp://ftp.pdc.kth.se/pub/krb/src/cracklib.patch */
+
+const char*
+check_cracklib(krb5_context context,
+ krb5_principal principal,
+ krb5_data *password)
+{
+ char *s = malloc(password->length + 1);
+ char *msg;
+ char *strings[2];
+ if(s == NULL)
+ return NULL; /* XXX */
+ strings[0] = principal->name.name_string.val[0]; /* XXX */
+ strings[1] = NULL;
+ memcpy(s, password->data, password->length);
+ s[password->length] = '\0';
+ msg = FascistCheck(s, DICTPATH, strings);
+ memset(s, 0, password->length);
+ free(s);
+ return msg;
+}
+#endif
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