From 0d76df995332b468b26dbb5807ad0317e55ad288 Mon Sep 17 00:00:00 2001
From: Andrew Tridgell <tridge@samba.org>
Date: Thu, 10 Dec 2009 23:44:44 +1100
Subject: s4-ldb: added a function to filter extended components of a ldb_dn

We need to be able to filter out components that should not be exposed
to users
---
 source4/lib/ldb/common/ldb_dn.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

(limited to 'source4')

diff --git a/source4/lib/ldb/common/ldb_dn.c b/source4/lib/ldb/common/ldb_dn.c
index bd42bd5f18..f11ccf35d7 100644
--- a/source4/lib/ldb/common/ldb_dn.c
+++ b/source4/lib/ldb/common/ldb_dn.c
@@ -873,6 +873,22 @@ char *ldb_dn_get_extended_linearized(void *mem_ctx, struct ldb_dn *dn, int mode)
 	return p;
 }
 
+/*
+  filter out all but an acceptable list of extended DN components
+ */
+void ldb_dn_extended_filter(struct ldb_dn *dn, const char * const *accept)
+{
+	int i;
+	for (i=0; i<dn->ext_comp_num; i++) {
+		if (!ldb_attr_in_list(accept, dn->ext_components[i].name)) {
+			memmove(&dn->ext_components[i],
+				&dn->ext_components[i+1],
+				(dn->ext_comp_num-(i+1))*sizeof(dn->ext_components[0]));
+			dn->ext_comp_num--;
+			i--;
+		}
+	}
+}
 
 
 char *ldb_dn_alloc_linearized(void *mem_ctx, struct ldb_dn *dn)
-- 
cgit