From 14fcbf4cfc1c611728cbf5026d3f0cac86d527d1 Mon Sep 17 00:00:00 2001
From: Pierangelo Masarati <ando@openldap.org>
Date: Wed, 30 Jun 2010 00:22:01 +0000
Subject: [PATCH] implement unload_extop for symmetry (needs test)

---
 servers/slapd/extended.c   | 52 ++++++++++++++++++++++++++++++++++++++
 servers/slapd/proto-slap.h |  4 +++
 2 files changed, 56 insertions(+)

diff --git a/servers/slapd/extended.c b/servers/slapd/extended.c
index e53251290b..8030803eb9 100644
--- a/servers/slapd/extended.c
+++ b/servers/slapd/extended.c
@@ -324,6 +324,57 @@ load_extop2(
 	return(0);
 }
 
+int
+unload_extop(
+	const struct berval *ext_oid,
+	SLAP_EXTOP_MAIN_FN *ext_main,
+	unsigned flags )
+{
+	struct berval		oidm = BER_BVNULL;
+	struct extop_list	*ext, **extp;
+
+	/* oid must be given */
+	if ( ext_oid == NULL || BER_BVISNULL( ext_oid ) ||
+		BER_BVISEMPTY( ext_oid ) )
+	{
+		return -1; 
+	}
+
+	/* if it's not an oid, check if it's a macto */
+	if ( numericoidValidate( NULL, (struct berval *)ext_oid ) !=
+		LDAP_SUCCESS )
+	{
+		oidm.bv_val = oidm_find( ext_oid->bv_val );
+		if ( oidm.bv_val == NULL ) {
+			return -1;
+		}
+		oidm.bv_len = strlen( oidm.bv_val );
+		ext_oid = &oidm;
+	}
+
+	/* lookup the oid */
+	for ( extp = &supp_ext_list; *extp; extp = &(*extp)->next ) {
+		if ( bvmatch( ext_oid, &(*extp)->oid ) ) {
+			/* if ext_main is given, only remove if it matches */
+			if ( ext_main != NULL && (*extp)->ext_main != ext_main ) {
+				return -1;
+			}
+			break;
+		}
+	}
+
+	if ( *extp == NULL ) {
+		return -1;
+	}
+
+	ext = *extp;
+	*extp = (*extp)->next;
+
+	ch_free( ext );
+
+	return 0;
+}
+
 int
 extops_init (void)
 {
@@ -334,6 +385,7 @@ extops_init (void)
 			builtin_extops[i].flags,
 			builtin_extops[i].ext_main );
 	}
+
 	return(0);
 }
 
diff --git a/servers/slapd/proto-slap.h b/servers/slapd/proto-slap.h
index 7fdf090fac..666354ada0 100644
--- a/servers/slapd/proto-slap.h
+++ b/servers/slapd/proto-slap.h
@@ -1035,6 +1035,10 @@ LDAP_SLAPD_F (int) load_extop2 LDAP_P((
 	unsigned tmpflags ));
 #define load_extop(ext_oid, flags, ext_main) \
 	load_extop2((ext_oid), (flags), (ext_main), 0)
+LDAP_SLAPD_F (int) unload_extop LDAP_P((
+	const struct berval *ext_oid,
+	SLAP_EXTOP_MAIN_FN *ext_main,
+	unsigned tmpflags ));
 
 LDAP_SLAPD_F (int) extops_init LDAP_P(( void ));
 
-- 
2.39.5