From: Hallvard Furuseth <hallvard@openldap.org>
Date: Fri, 23 Jun 2017 09:55:36 +0000 (+0100)
Subject: ITS#8733 Allow extraction of the complete ber element
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=62811e8f654e7b437e0da42fa7a4fcd17cd39650;p=openldap

ITS#8733 Allow extraction of the complete ber element
---

diff --git a/include/lber.h b/include/lber.h
index b93d8e3b6b..e0ea43d4aa 100644
--- a/include/lber.h
+++ b/include/lber.h
@@ -255,6 +255,11 @@ ber_peek_tag LDAP_P((
 	BerElement *ber,
 	ber_len_t *len ));
 
+LBER_F( ber_tag_t )
+ber_skip_raw LDAP_P((
+	BerElement *ber,
+	struct berval *bv ));
+
 LBER_F( ber_tag_t )
 ber_skip_element LDAP_P((
 	BerElement *ber,
diff --git a/libraries/liblber/decode.c b/libraries/liblber/decode.c
index 4ee83263ae..7de08229f8 100644
--- a/libraries/liblber/decode.c
+++ b/libraries/liblber/decode.c
@@ -234,6 +234,25 @@ ber_skip_element( BerElement *ber, struct berval *bv )
 	return tag;
 }
 
+/* Move past next element, point *bv at the complete element in-place, and
+ * return its tag. The caller may \0-terminate *bv, as next octet is saved in
+ * ber->ber_tag. Similar to ber_skip_element(ber, bv) except the tag+length
+ * header is also included in *bv.
+ */
+ber_tag_t
+ber_skip_raw( BerElement *ber, struct berval *bv )
+{
+	char		*val = ber->ber_ptr;
+	ber_tag_t	tag = ber_skip_element( ber, bv );
+
+	if ( tag != LBER_DEFAULT ) {
+		bv->bv_len += bv->bv_val - val;
+		bv->bv_val = val;
+	}
+
+	return tag;
+}
+
 ber_tag_t
 ber_peek_tag(
 	BerElement *ber,