1 files changed, 54 insertions, 0 deletions
diff --git a/source3/librpc/idl/xattr.idl b/source3/librpc/idl/xattr.idl
new file mode 100644
index 0000000000..23af2df404
--- /dev/null
+++ b/source3/librpc/idl/xattr.idl
@@ -0,0 +1,54 @@
+#include "idl_types.h"
+
+/*
+   IDL structures for xattrs
+*/
+
+[
+  pointer_default(unique)
+]
+interface xattr
+{
+	/* xattrs for file systems that don't have any */
+
+	typedef [public] struct {
+		utf8string name;
+		DATA_BLOB value;
+	} tdb_xattr;
+
+	typedef [public] struct {
+		uint32 num_xattrs;
+		tdb_xattr xattrs[num_xattrs];
+	} tdb_xattrs;
+
+	/* we store the NT ACL a NTACL xattr. It is versioned so we
+	   can later add other acl attribs (such as posix acl mapping)
+
+	   we put this xattr in the security namespace to ensure that
+	   only trusted users can write to the ACL
+
+	   stored in "security.NTACL"
+
+	   Version 1. raw SD stored as Samba4 does it.
+	   Version 2. raw SD + last changed timestamp so we
+		      can discard if this doesn't match the POSIX st_ctime.
+        */
+
+	const char *XATTR_NTACL_NAME = "security.NTACL";
+
+	typedef [public] struct {
+		security_descriptor *sd;
+		NTTIME last_changed;
+	} security_descriptor_timestamp;
+
+        typedef [switch_type(uint16)] union {
+                [case(1)] security_descriptor *sd;
+		[case(2)] security_descriptor_timestamp *sd_ts;
+        } xattr_NTACL_Info;
+
+        typedef [public] struct {
+                uint16 version;
+                [switch_is(version)] xattr_NTACL_Info info;
+        } xattr_NTACL;
+
+}