X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=servers%2Fslapd%2Fbackend.c;h=3256dd05f09e106feb7d0f70fb1bfcec29881ddb;hb=51c5916149f3652345905f21a6c79dd23ab32fb0;hp=a2e476ded12a7512add9d08d93e56b54874cac4e;hpb=ffe20229dc2a3c0b69c327d49dbbea172d213e4c;p=openldap

diff --git a/servers/slapd/backend.c b/servers/slapd/backend.c
index a2e476ded1..3256dd05f0 100644
--- a/servers/slapd/backend.c
+++ b/servers/slapd/backend.c
@@ -2,7 +2,7 @@
 /* $OpenLDAP$ */
 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
  *
- * Copyright 1998-2005 The OpenLDAP Foundation.
+ * Copyright 1998-2006 The OpenLDAP Foundation.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -196,7 +196,7 @@ int backend_startup_one(Backend *be)
 	assert( be != NULL );
 
 	be->be_pending_csn_list = (struct be_pcl *)
-		ch_calloc( 1, sizeof( struct be_pcl ));
+		ch_calloc( 1, sizeof( struct be_pcl ) );
 
 	LDAP_TAILQ_INIT( be->be_pending_csn_list );
 
@@ -382,9 +382,11 @@ int backend_shutdown( Backend *be )
 	return 0;
 }
 
-void backend_destroy_one( BackendDB *bd )
+void backend_destroy_one( BackendDB *bd, int dynamic )
 {
-	LDAP_STAILQ_REMOVE(&backendDB, bd, slap_backend_db, be_next );
+	if ( dynamic ) {
+		LDAP_STAILQ_REMOVE(&backendDB, bd, slap_backend_db, be_next );
+	}
 
 	if ( bd->be_syncinfo ) {
 		syncinfo_free( bd->be_syncinfo );
@@ -401,6 +403,7 @@ void backend_destroy_one( BackendDB *bd )
 			csne = LDAP_TAILQ_NEXT( csne, ce_csn_link );
 			ch_free( tmp_csne );
 		}
+		ch_free( bd->be_pending_csn_list );
 	}
 
 	if ( bd->bd_info->bi_db_destroy ) {
@@ -418,7 +421,27 @@ void backend_destroy_one( BackendDB *bd )
 		free( bd->be_rootpw.bv_val );
 	}
 	acl_destroy( bd->be_acl, frontendDB->be_acl );
-	free( bd );
+	limits_destroy( bd->be_limits );
+	if ( bd->be_replogfile ) {
+		ch_free( bd->be_replogfile );
+	}
+	if ( bd->be_replica_argsfile ) {
+		ch_free( bd->be_replica_argsfile );
+	}
+	if ( bd->be_replica_pidfile ) {
+		ch_free( bd->be_replica_pidfile );
+	}
+	destroy_replica_info( bd );
+	if ( !BER_BVISNULL( &bd->be_update_ndn ) ) {
+		ch_free( bd->be_update_ndn.bv_val );
+	}
+	if ( bd->be_update_refs ) {
+		ber_bvarray_free( bd->be_update_refs );
+	}
+
+	if ( dynamic ) {
+		free( bd );
+	}
 }
 
 int backend_destroy(void)
@@ -428,7 +451,7 @@ int backend_destroy(void)
 
 	/* destroy each backend database */
 	while (( bd = LDAP_STAILQ_FIRST(&backendDB))) {
-		backend_destroy_one( bd );
+		backend_destroy_one( bd, 1 );
 	}
 
 	/* destroy each backend type */
@@ -459,6 +482,17 @@ int backend_destroy(void)
 			free( bd->be_rootpw.bv_val );
 		}
 		acl_destroy( bd->be_acl, frontendDB->be_acl );
+
+		if ( bd->be_replogfile != NULL ) {
+			free( bd->be_replogfile );
+		}
+		if ( bd->be_replica_argsfile ) {
+			ch_free( bd->be_replica_argsfile );
+		}
+		if ( bd->be_replica_pidfile ) {
+			ch_free( bd->be_replica_pidfile );
+		}
+		assert( bd->be_replica == NULL );
 	}
 
 	return 0;
@@ -481,9 +515,9 @@ BackendInfo* backend_info(const char *type)
 
 BackendDB *
 backend_db_init(
-    const char	*type )
+    const char	*type,
+	BackendDB *be )
 {
-	Backend	*be;
 	BackendInfo *bi = backend_info(type);
 	int	rc = 0;
 
@@ -492,9 +526,14 @@ backend_db_init(
 		return NULL;
 	}
 
-	be = ch_calloc( 1, sizeof(Backend) );
-	nbackends++;
-	LDAP_STAILQ_INSERT_TAIL(&backendDB, be, be_next);
+	/* If be is provided, treat it as private. Otherwise allocate
+	 * one and add it to the global list.
+	 */
+	if ( !be ) {
+		be = ch_calloc( 1, sizeof(Backend) );
+		nbackends++;
+		LDAP_STAILQ_INSERT_TAIL(&backendDB, be, be_next);
+	}
 
 	be->bd_info = bi;
 
@@ -592,7 +631,13 @@ select_backend(
 						continue;
 					}
 				} else {
-					b2 = be;
+					/* If any parts of the tree are glued, use the first
+					 * match regardless of manageDSAit. Otherwise use the
+					 * last match.
+					 */
+					if( !( SLAP_DBFLAGS( be ) & ( SLAP_DBFLAG_GLUE_INSTANCE |
+						SLAP_DBFLAG_GLUE_SUBORDINATE )))
+						b2 = be;
 				}
 				return b2;
 			}
@@ -815,11 +860,14 @@ backend_check_controls(
 		}
 	}
 
+	/* temporarily removed */
+#if 0
 	/* check should be generalized */
 	if( get_manageDIT(op) && !be_isroot(op)) {
 		rs->sr_text = "requires manager authorization";
 		rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
 	}
+#endif
 
 done:;
 	return rs->sr_err;
@@ -1161,23 +1209,21 @@ be_entry_get_rw(
 	int rw,
 	Entry **e )
 {
-	int rc;
-
 	*e = NULL;
 
-	if (op->o_bd == NULL) {
-		rc = LDAP_NO_SUCH_OBJECT;
-	} else if ( op->o_bd->be_fetch ) {
-		rc = ( op->o_bd->be_fetch )( op, ndn,
-			oc, at, rw, e );
-	} else {
-		rc = LDAP_UNWILLING_TO_PERFORM;
+	if ( op->o_bd == NULL ) {
+		return LDAP_NO_SUCH_OBJECT;
 	}
-	return rc;
+
+	if ( op->o_bd->be_fetch ) {
+		return op->o_bd->be_fetch( op, ndn, oc, at, rw, e );
+	}
+
+	return LDAP_UNWILLING_TO_PERFORM;
 }
 
 int 
-backend_group(
+fe_acl_group(
 	Operation *op,
 	Entry	*target,
 	struct berval *gr_ndn,
@@ -1186,13 +1232,12 @@ backend_group(
 	AttributeDescription *group_at )
 {
 	Entry *e;
+	void *o_priv = op->o_private, *e_priv = NULL;
 	Attribute *a;
 	int rc;
 	GroupAssertion *g;
 	Backend *be = op->o_bd;
 
-	if ( op->o_abandon ) return SLAPD_ABANDON;
-
 	op->o_bd = select_backend( gr_ndn, 0, 0 );
 
 	for ( g = op->o_groups; g; g = g->ga_next ) {
@@ -1215,7 +1260,10 @@ backend_group(
 		e = target;
 		rc = 0;
 	} else {
+		op->o_private = NULL;
 		rc = be_entry_get_rw( op, gr_ndn, group_oc, group_at, 0, &e );
+		e_priv = op->o_private;
+		op->o_private = o_priv;
 	}
 	if ( e ) {
 		a = attr_find( e->e_attrs, group_at );
@@ -1231,13 +1279,17 @@ backend_group(
 				struct berval bv, nbase;
 				Filter *filter;
 				Entry *user;
+				void *user_priv = NULL;
 				Backend *b2 = op->o_bd;
 
 				if ( target && dn_match( &target->e_nname, op_ndn ) ) {
 					user = target;
 				} else {
 					op->o_bd = select_backend( op_ndn, 0, 0 );
+					op->o_private = NULL;
 					rc = be_entry_get_rw(op, op_ndn, NULL, NULL, 0, &user );
+					user_priv = op->o_private;
+					op->o_private = o_priv;
 				}
 				
 				if ( rc == 0 ) {
@@ -1279,14 +1331,12 @@ backend_group(
 								goto loopit;
 							}
 							break;
-#ifdef LDAP_SCOPE_SUBORDINATE
 						case LDAP_SCOPE_SUBORDINATE:
 							if ( dn_match( &nbase, op_ndn ) ||
 								!dnIsSuffix( op_ndn, &nbase ) )
 							{
 								goto loopit;
 							}
-#endif
 						}
 						filter = str2filter_x( op, ludp->lud_filter );
 						if ( filter ) {
@@ -1305,7 +1355,9 @@ loopit:
 						if ( rc == 0 ) break;
 					}
 					if ( user != target ) {
+						op->o_private = user_priv;
 						be_entry_release_r( op, user );
+						op->o_private = o_priv;
 					}
 				}
 				op->o_bd = b2;
@@ -1320,8 +1372,10 @@ loopit:
 		} else {
 			rc = LDAP_NO_SUCH_ATTRIBUTE;
 		}
-		if (e != target ) {
+		if ( e != target ) {
+			op->o_private = e_priv;
 			be_entry_release_r( op, e );
+			op->o_private = o_priv;
 		}
 	} else {
 		rc = LDAP_NO_SUCH_OBJECT;
@@ -1345,7 +1399,37 @@ done:
 }
 
 int 
-backend_attribute(
+backend_group(
+	Operation *op,
+	Entry	*target,
+	struct berval *gr_ndn,
+	struct berval *op_ndn,
+	ObjectClass *group_oc,
+	AttributeDescription *group_at )
+{
+	int			rc;
+	BackendDB		*be_orig;
+
+	if ( op->o_abandon ) {
+		return SLAPD_ABANDON;
+	}
+
+	be_orig = op->o_bd;
+	op->o_bd = frontendDB;
+#ifdef SLAP_OVERLAY_ACCESS
+	rc = frontendDB->be_group( op, target, gr_ndn,
+		op_ndn, group_oc, group_at );
+#else /* ! SLAP_OVERLAY_ACCESS */
+	rc = fe_acl_group( op, target, gr_ndn,
+		op_ndn, group_oc, group_at );
+#endif /* ! SLAP_OVERLAY_ACCESS */
+	op->o_bd = be_orig;
+
+	return rc;
+}
+
+int 
+fe_acl_attribute(
 	Operation *op,
 	Entry	*target,
 	struct berval	*edn,
@@ -1354,6 +1438,7 @@ backend_attribute(
 	slap_access_t access )
 {
 	Entry			*e = NULL;
+	void			*o_priv = op->o_private, *e_priv = NULL;
 	Attribute		*a = NULL;
 	int			freeattr = 0, i, j, rc = LDAP_SUCCESS;
 	AccessControlState	acl_state = ACL_STATE_INIT;
@@ -1365,10 +1450,26 @@ backend_attribute(
 		e = target;
 
 	} else {
+		op->o_private = NULL;
 		rc = be_entry_get_rw( op, edn, NULL, entry_at, 0, &e );
+		e_priv = op->o_private;
+		op->o_private = o_priv;
 	} 
 
 	if ( e ) {
+		if ( entry_at == slap_schema.si_ad_entry || entry_at == slap_schema.si_ad_children ) {
+			assert( vals == NULL );
+
+			rc = LDAP_SUCCESS;
+			if ( op->o_conn && access > ACL_NONE &&
+				access_allowed( op, e, entry_at, NULL,
+						access, &acl_state ) == 0 )
+			{
+				rc = LDAP_INSUFFICIENT_ACCESS;
+			}
+			goto freeit;
+		}
+
 		a = attr_find( e->e_attrs, entry_at );
 		if ( a == NULL ) {
 			SlapReply	rs = { 0 };
@@ -1441,7 +1542,9 @@ backend_attribute(
 			}
 		}
 freeit:		if ( e != target ) {
+			op->o_private = e_priv;
 			be_entry_release_r( op, e );
+			op->o_private = o_priv;
 		}
 		if ( freeattr ) {
 			attr_free( a );
@@ -1452,6 +1555,32 @@ freeit:		if ( e != target ) {
 	return rc;
 }
 
+int 
+backend_attribute(
+	Operation *op,
+	Entry	*target,
+	struct berval	*edn,
+	AttributeDescription *entry_at,
+	BerVarray *vals,
+	slap_access_t access )
+{
+	int			rc;
+	BackendDB		*be_orig;
+
+	be_orig = op->o_bd;
+	op->o_bd = frontendDB;
+#ifdef SLAP_OVERLAY_ACCESS
+	rc = frontendDB->be_attribute( op, target, edn,
+		entry_at, vals, access );
+#else /* !SLAP_OVERLAY_ACCESS */
+	rc = fe_acl_attribute( op, target, edn,
+		entry_at, vals, access );
+#endif /* !SLAP_OVERLAY_ACCESS */
+	op->o_bd = be_orig;
+
+	return rc;
+}
+
 int 
 backend_access(
 	Operation		*op,
@@ -1463,6 +1592,7 @@ backend_access(
 	slap_mask_t		*mask )
 {
 	Entry		*e = NULL;
+	void		*o_priv = op->o_private, *e_priv = NULL;
 	int		rc = LDAP_INSUFFICIENT_ACCESS;
 	Backend		*be = op->o_bd;
 
@@ -1478,7 +1608,10 @@ backend_access(
 		e = target;
 
 	} else {
+		op->o_private = NULL;
 		rc = be_entry_get_rw( op, edn, NULL, entry_at, 0, &e );
+		e_priv = op->o_private;
+		op->o_private = o_priv;
 	} 
 
 	if ( e ) {
@@ -1542,7 +1675,9 @@ backend_access(
 			}
 		}
 freeit:		if ( e != target ) {
+			op->o_private = e_priv;
 			be_entry_release_r( op, e );
+			op->o_private = o_priv;
 		}
 		if ( freeattr ) {
 			attr_free( a );
@@ -1553,13 +1688,14 @@ freeit:		if ( e != target ) {
 	return rc;
 }
 
-int backend_operational(
+int
+fe_aux_operational(
 	Operation *op,
 	SlapReply *rs )
 {
-	Attribute	**ap;
-	int		rc = 0;
-	BackendDB	*be_orig;
+	Attribute		**ap;
+	int			rc = 0;
+	BackendDB		*be_orig;
 
 	for ( ap = &rs->sr_operational_attrs; *ap; ap = &(*ap)->a_next )
 		/* just count them */ ;
@@ -1587,11 +1723,10 @@ int backend_operational(
 	{
 		/* Let the overlays have a chance at this */
 		be_orig = op->o_bd;
-		if ( SLAP_ISOVERLAY( be_orig ) )
-			op->o_bd = select_backend( be_orig->be_nsuffix, 0, 0 );
-
-		if ( ( SLAP_OPATTRS( rs->sr_attr_flags ) || rs->sr_attrs ) &&
-			op->o_bd && op->o_bd->be_operational != NULL )
+		op->o_bd = select_backend( &op->o_req_ndn, 0, 0 );
+		if ( !be_match( op->o_bd, frontendDB ) &&
+			( SLAP_OPATTRS( rs->sr_attr_flags ) || rs->sr_attrs ) &&
+			op->o_bd != NULL && op->o_bd->be_operational != NULL )
 		{
 			rc = op->o_bd->be_operational( op, rs );
 		}
@@ -1601,3 +1736,18 @@ int backend_operational(
 	return rc;
 }
 
+int backend_operational( Operation *op, SlapReply *rs )
+{
+	int rc;
+	BackendDB *be_orig;
+
+	/* Moved this into the frontend so global overlays are called */
+
+	be_orig = op->o_bd;
+	op->o_bd = frontendDB;
+	rc = frontendDB->be_operational( op, rs );
+	op->o_bd = be_orig;
+
+	return rc;
+}
+