+libcaptive/se/sd.c

 - +SeValidSecurityDescriptor()

diff --git a/src/libcaptive/se/sd.c b/src/libcaptive/se/sd.c
new file mode 100644 (file)
index 0000000..e784f9d
--- /dev/null
+++ b/src/libcaptive/se/sd.c
@@ -0,0 +1,52 @@
+/* $Id$
+ * reactos SECURITY_DESCRIPTOR functions emulation of libcaptive
+ * Copyright (C) 2002 Jan Kratochvil <project-captive@jankratochvil.net>
+ * 
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; exactly version 2 of June 1991 is required
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+
+#include "config.h"
+
+#include "reactos/ddk/sefuncs.h"       /* self */
+#include <glib/gmessages.h>
+#include "reactos/ntos/rtl.h"  /* for RtlLengthSecurityDescriptor() */
+
+
+/**
+ * SeValidSecurityDescriptor:
+ * @Length: Available size for @SecurityDescriptor.
+ * @SecurityDescriptor: #SECURITY_DESCRIPTOR to check the size of.
+ *
+ * Functions checks whether @SecurityDescriptor fits to the are size @Length.
+ * RtlLengthSecurityDescriptor(@SecurityDescriptor) must be less or equal
+ * @Length to succeed.
+ *
+ * Returns: %TRUE if @SecurityDescriptor fits there.
+ */
+BOOLEAN SeValidSecurityDescriptor(IN ULONG Length,IN PSECURITY_DESCRIPTOR SecurityDescriptor)
+{
+ULONG reallen;
+
+       g_return_val_if_fail(SecurityDescriptor!=NULL,FALSE);
+
+       reallen=RtlLengthSecurityDescriptor(SecurityDescriptor);
+
+       /* Sanity check only:
+        * It may happen but it should IMO mean something rotten
+        */
+       g_assert(reallen<=Length);
+
+       return (reallen<=Length);
+}