1 files changed, 59 insertions, 0 deletions
diff --git a/src/lib/krb5/os/localauth_an2ln.c b/src/lib/krb5/os/localauth_an2ln.c
new file mode 100644
index 0000000..0d29667
--- /dev/null
+++ b/src/lib/krb5/os/localauth_an2ln.c
@@ -0,0 +1,59 @@
+/* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */
+/* lib/krb5/os/localauth_an2ln.c - an2ln localauth module */
+/*
+ * Copyright (C) 2013 by the Massachusetts Institute of Technology.  All rights
+ * reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ *
+ * * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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
+ * COPYRIGHT HOLDER 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 "k5-int.h"
+#include "os-proto.h"
+#include <krb5/localauth_plugin.h>
+
+#define MAX_USERNAME 65
+
+static krb5_error_code
+an2ln_userok(krb5_context context, krb5_localauth_moddata data,
+             krb5_const_principal aname, const char *lname)
+{
+    krb5_error_code ret;
+    char kuser[MAX_USERNAME];
+
+    ret = krb5_aname_to_localname(context, aname, sizeof(kuser), kuser);
+    return (ret == 0 && strcmp(kuser, lname) == 0) ? 0 : KRB5_PLUGIN_NO_HANDLE;
+}
+
+krb5_error_code
+localauth_an2ln_initvt(krb5_context context, int maj_ver, int min_ver,
+                       krb5_plugin_vtable vtable)
+{
+    krb5_localauth_vtable vt = (krb5_localauth_vtable)vtable;
+
+    vt->name = "an2ln";
+    vt->userok = an2ln_userok;
+    return 0;
+}