/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
- * Copyright 2002-2008 The OpenLDAP Foundation.
+ * Copyright 2002-2009 The OpenLDAP Foundation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
return rs->sr_err;
}
+
+static int
+null_back_respond( Operation *op, SlapReply *rs, int rc )
+{
+ LDAPControl ctrl[SLAP_MAX_RESPONSE_CONTROLS], *ctrls[SLAP_MAX_RESPONSE_CONTROLS];
+ int c = 0;
+
+ BerElementBuffer ps_berbuf;
+ BerElement *ps_ber = NULL;
+ LDAPControl **preread_ctrl = NULL,
+ **postread_ctrl = NULL;
+
+ rs->sr_err = LDAP_OTHER;
+
+ /* this comes first, as in case of assertion failure
+ * any further processing must stop */
+ if ( get_assert( op ) ) {
+ rs->sr_err = LDAP_ASSERTION_FAILED;
+ goto respond;
+ }
+
+ if ( op->o_preread ) {
+ Entry e = { 0 };
+
+ switch ( op->o_tag ) {
+ case LDAP_REQ_MODIFY:
+ case LDAP_REQ_RENAME:
+ case LDAP_REQ_DELETE:
+ e.e_name = op->o_req_dn;
+ e.e_nname = op->o_req_ndn;
+
+ preread_ctrl = &ctrls[c];
+ *preread_ctrl = NULL;
+
+ if ( slap_read_controls( op, rs, &e,
+ &slap_pre_read_bv, preread_ctrl ) )
+ {
+ preread_ctrl = NULL;
+
+ Debug( LDAP_DEBUG_TRACE,
+ "<=- null_back_respond: pre-read "
+ "failed!\n", 0, 0, 0 );
+
+ if ( op->o_preread & SLAP_CONTROL_CRITICAL ) {
+ /* FIXME: is it correct to abort
+ * operation if control fails? */
+ goto respond;
+ }
+
+ } else {
+ c++;
+ }
+ break;
+ }
+ }
+
+ if ( op->o_postread ) {
+ Entry e = { 0 };
+
+ switch ( op->o_tag ) {
+ case LDAP_REQ_ADD:
+ case LDAP_REQ_MODIFY:
+ case LDAP_REQ_RENAME:
+ if ( op->o_tag == LDAP_REQ_ADD ) {
+ e.e_name = op->ora_e->e_name;
+ e.e_nname = op->ora_e->e_nname;
+
+ } else {
+ e.e_name = op->o_req_dn;
+ e.e_nname = op->o_req_ndn;
+ }
+
+ postread_ctrl = &ctrls[c];
+ *postread_ctrl = NULL;
+
+ if ( slap_read_controls( op, rs, &e,
+ &slap_post_read_bv, postread_ctrl ) )
+ {
+ postread_ctrl = NULL;
+
+ Debug( LDAP_DEBUG_TRACE,
+ "<=- null_back_respond: post-read "
+ "failed!\n", 0, 0, 0 );
+
+ if ( op->o_postread & SLAP_CONTROL_CRITICAL ) {
+ /* FIXME: is it correct to abort
+ * operation if control fails? */
+ goto respond;
+ }
+
+ } else {
+ c++;
+ }
+ break;
+ }
+ }
+
+ if ( op->o_noop ) {
+ switch ( op->o_tag ) {
+ case LDAP_REQ_ADD:
+ case LDAP_REQ_MODIFY:
+ case LDAP_REQ_RENAME:
+ case LDAP_REQ_DELETE:
+ case LDAP_REQ_EXTENDED:
+ rc = LDAP_X_NO_OPERATION;
+ break;
+ }
+ }
+
+ if ( get_pagedresults( op ) > SLAP_CONTROL_IGNORED ) {
+ struct berval cookie = BER_BVC( "" );
+
+ /* should not be here... */
+ assert( op->o_tag == LDAP_REQ_SEARCH );
+
+ ctrl[c].ldctl_oid = LDAP_CONTROL_PAGEDRESULTS;
+ ctrl[c].ldctl_iscritical = 0;
+
+ ps_ber = (BerElement *)&ps_berbuf;
+ ber_init2( ps_ber, NULL, LBER_USE_DER );
+
+ /* return size of 0 -- no estimate */
+ ber_printf( ps_ber, "{iO}", 0, &cookie );
+
+ if ( ber_flatten2( ps_ber, &ctrl[c].ldctl_value, 0 ) == -1 ) {
+ goto done;
+ }
+
+ ctrls[c] = &ctrl[c];
+ c++;
+ }
+
+ /* terminate controls array */
+ ctrls[c] = NULL;
+ rs->sr_ctrls = ctrls;
+ rs->sr_err = rc;
+
+respond:;
+ send_ldap_result( op, rs );
+ rs->sr_ctrls = NULL;
+
+done:;
+ if ( ps_ber != NULL ) {
+ (void) ber_free_buf( ps_ber );
+ }
+
+ if( preread_ctrl != NULL && (*preread_ctrl) != NULL ) {
+ slap_sl_free( (*preread_ctrl)->ldctl_value.bv_val, op->o_tmpmemctx );
+ slap_sl_free( *preread_ctrl, op->o_tmpmemctx );
+ }
+
+ if( postread_ctrl != NULL && (*postread_ctrl) != NULL ) {
+ slap_sl_free( (*postread_ctrl)->ldctl_value.bv_val, op->o_tmpmemctx );
+ slap_sl_free( *postread_ctrl, op->o_tmpmemctx );
+ }
+
+ return rs->sr_err;
+}
+
/* add, delete, modify, modrdn, search */
static int
null_back_success( Operation *op, SlapReply *rs )
{
- rs->sr_err = LDAP_SUCCESS;
- send_ldap_result( op, rs );
- return 0;
+ return null_back_respond( op, rs, LDAP_SUCCESS );
}
/* compare */
static int
null_back_false( Operation *op, SlapReply *rs )
{
- rs->sr_err = LDAP_COMPARE_FALSE;
- send_ldap_result( op, rs );
- return 0;
+ return null_back_respond( op, rs, LDAP_COMPARE_FALSE );
}
/* for overlays */
-int null_back_entry_get(
+static int
+null_back_entry_get(
Operation *op,
struct berval *ndn,
ObjectClass *oc,
int rw,
Entry **ent )
{
- *ent = NULL;
- return 1;
+ assert( *ent == NULL );
+
+ /* don't admit the object isn't there */
+ return oc || at ? LDAP_NO_SUCH_ATTRIBUTE : LDAP_BUSY;
}
int
null_back_initialize( BackendInfo *bi )
{
+ static char *controls[] = {
+ LDAP_CONTROL_ASSERT,
+ LDAP_CONTROL_MANAGEDSAIT,
+ LDAP_CONTROL_NOOP,
+ LDAP_CONTROL_PAGEDRESULTS,
+ LDAP_CONTROL_SUBENTRIES,
+ LDAP_CONTROL_PRE_READ,
+ LDAP_CONTROL_POST_READ,
+ LDAP_CONTROL_X_PERMISSIVE_MODIFY,
+ NULL
+ };
+
+ Debug( LDAP_DEBUG_TRACE,
+ "null_back_initialize: initialize null backend\n", 0, 0, 0 );
+
+ bi->bi_flags |=
+ SLAP_BFLAG_INCREMENT |
+ SLAP_BFLAG_SUBENTRIES |
+ SLAP_BFLAG_ALIASES |
+ SLAP_BFLAG_REFERRALS;
+
+ bi->bi_controls = controls;
+
bi->bi_open = 0;
bi->bi_close = 0;
bi->bi_config = 0;
projects / openldap / blobdiff