From 295f3ba0aa4cdce147612da6400f93e8f4b0a79f Mon Sep 17 00:00:00 2001
From: Mark Valence <mrv@openldap.org>
Date: Wed, 21 Jun 2000 17:23:24 +0000
Subject: [PATCH] New backend routine:  back_attribute

---
 servers/slapd/back-ldbm/external.h |  7 +++++++
 servers/slapd/back-ldbm/init.c     |  1 +
 servers/slapd/backend.c            | 29 +++++++++++++++++++++++++++++
 servers/slapd/proto-slap.h         |  9 +++++++++
 servers/slapd/slap.h               |  6 ++++++
 5 files changed, 52 insertions(+)

diff --git a/servers/slapd/back-ldbm/external.h b/servers/slapd/back-ldbm/external.h
index b8c2a8d5fb..9c2944fefa 100644
--- a/servers/slapd/back-ldbm/external.h
+++ b/servers/slapd/back-ldbm/external.h
@@ -80,6 +80,13 @@ extern int	ldbm_back_group LDAP_P(( BackendDB *bd,
 	ObjectClass* group_oc,
 	AttributeDescription* group_at));
 
+extern int	ldbm_back_attribute LDAP_P(( BackendDB *bd,
+	Connection *conn, Operation *op,
+	Entry *target,
+	const char* e_ndn,
+	AttributeDescription* entry_at,
+	const char ***vals));
+
 
 /* hooks for slap tools */
 extern int ldbm_tool_entry_open LDAP_P(( BackendDB *be, int mode ));
diff --git a/servers/slapd/back-ldbm/init.c b/servers/slapd/back-ldbm/init.c
index 6fb070b8b5..aff7a076b1 100644
--- a/servers/slapd/back-ldbm/init.c
+++ b/servers/slapd/back-ldbm/init.c
@@ -67,6 +67,7 @@ ldbm_back_initialize(
 
 	bi->bi_entry_release_rw = ldbm_back_entry_release_rw;
 	bi->bi_acl_group = ldbm_back_group;
+	bi->bi_acl_attribute = ldbm_back_attribute;
 	bi->bi_chk_referrals = ldbm_back_referrals;
 
 	/*
diff --git a/servers/slapd/backend.c b/servers/slapd/backend.c
index e6f5f7606f..02bfac50cc 100644
--- a/servers/slapd/backend.c
+++ b/servers/slapd/backend.c
@@ -667,6 +667,35 @@ backend_group(
 	return LDAP_UNWILLING_TO_PERFORM;
 }
 
+int 
+backend_attribute(
+	Backend	*be,
+	Connection *conn,
+	Operation *op,
+	Entry	*target,
+	const char	*e_ndn,
+	AttributeDescription *entry_at,
+	const char ***vals
+)
+{
+	if( target == NULL || strcmp( target->e_ndn, e_ndn ) != 0 ) {
+		/* we won't attempt to send it to a different backend */
+		
+		be = select_backend(e_ndn);
+
+		if (be == NULL) {
+			return LDAP_NO_SUCH_OBJECT;
+		}
+	} 
+
+	if( be->be_attribute ) {
+		return be->be_attribute( be, conn, op, target, e_ndn,
+			entry_at, vals );
+	}
+
+	return LDAP_UNWILLING_TO_PERFORM;
+}
+
 Attribute *backend_operational(
 	Backend *be,
 	Entry *e )
diff --git a/servers/slapd/proto-slap.h b/servers/slapd/proto-slap.h
index 354afa6f2f..8524add4b1 100644
--- a/servers/slapd/proto-slap.h
+++ b/servers/slapd/proto-slap.h
@@ -173,6 +173,15 @@ LDAP_SLAPD_F (int) backend_group LDAP_P((Backend *be,
 	AttributeDescription *group_at
 ));
 
+LDAP_SLAPD_F (int) backend_attribute LDAP_P((Backend *be,
+	Connection *conn,
+	Operation *op,
+	Entry *target,
+	const char *e_ndn,
+	AttributeDescription *entry_at,
+	const char ***vals
+));
+
 LDAP_SLAPD_F (Attribute *) backend_operational( Backend *, Entry * );
 
 
diff --git a/servers/slapd/slap.h b/servers/slapd/slap.h
index 0b4171126f..f70ee5c756 100644
--- a/servers/slapd/slap.h
+++ b/servers/slapd/slap.h
@@ -757,6 +757,7 @@ struct slap_backend_db {
 #define		be_release	bd_info->bi_entry_release_rw
 #define		be_chk_referrals	bd_info->bi_chk_referrals
 #define		be_group	bd_info->bi_acl_group
+#define		be_attribute	bd_info->bi_acl_attribute
 
 #define		be_controls	bd_info->bi_controls
 
@@ -929,6 +930,11 @@ struct slap_backend_info {
 		Entry *e, const char *bdn, const char *edn,
 		ObjectClass *group_oc,
 		AttributeDescription *group_at ));
+	int	(*bi_acl_attribute)  LDAP_P((Backend *bd,
+		struct slap_conn *c, struct slap_op *o,
+		Entry *e, const char *edn,
+		AttributeDescription *entry_at,
+		const char ***vals ));
 
 	int	(*bi_connection_init) LDAP_P((BackendDB *bd,
 		struct slap_conn *c));
-- 
2.39.5