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-rw-r--r--servers/slapd/back-ndb/add.cpp347
1 files changed, 347 insertions, 0 deletions
diff --git a/servers/slapd/back-ndb/add.cpp b/servers/slapd/back-ndb/add.cpp
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index 0000000..f89cad4
--- /dev/null
+++ b/servers/slapd/back-ndb/add.cpp
@@ -0,0 +1,347 @@
+/* add.cpp - ldap NDB back-end add routine */
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 2008-2022 The OpenLDAP Foundation.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted only as authorized by the OpenLDAP
+ * Public License.
+ *
+ * A copy of this license is available in the file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * <http://www.OpenLDAP.org/license.html>.
+ */
+/* ACKNOWLEDGEMENTS:
+ * This work was initially developed by Howard Chu for inclusion
+ * in OpenLDAP Software. This work was sponsored by MySQL.
+ */
+
+#include "portable.h"
+
+#include <stdio.h>
+#include <ac/string.h>
+
+#include "back-ndb.h"
+
+extern "C" int
+ndb_back_add(Operation *op, SlapReply *rs )
+{
+ struct ndb_info *ni = (struct ndb_info *) op->o_bd->be_private;
+ Entry p = {0};
+ Attribute poc;
+ char textbuf[SLAP_TEXT_BUFLEN];
+ size_t textlen = sizeof textbuf;
+ AttributeDescription *children = slap_schema.si_ad_children;
+ AttributeDescription *entry = slap_schema.si_ad_entry;
+ NdbArgs NA;
+ NdbRdns rdns;
+ struct berval matched;
+ struct berval pdn, pndn;
+
+ int num_retries = 0;
+ int success;
+
+ LDAPControl **postread_ctrl = NULL;
+ LDAPControl *ctrls[SLAP_MAX_RESPONSE_CONTROLS];
+ int num_ctrls = 0;
+
+ Debug(LDAP_DEBUG_ARGS, "==> " LDAP_XSTRING(ndb_back_add) ": %s\n",
+ op->oq_add.rs_e->e_name.bv_val, 0, 0);
+
+ ctrls[num_ctrls] = 0;
+ NA.txn = NULL;
+
+ /* check entry's schema */
+ rs->sr_err = entry_schema_check( op, op->oq_add.rs_e, NULL,
+ get_relax(op), 1, NULL, &rs->sr_text, textbuf, textlen );
+ if ( rs->sr_err != LDAP_SUCCESS ) {
+ Debug( LDAP_DEBUG_TRACE,
+ LDAP_XSTRING(ndb_back_add) ": entry failed schema check: "
+ "%s (%d)\n", rs->sr_text, rs->sr_err, 0 );
+ goto return_results;
+ }
+
+ /* add opattrs to shadow as well, only missing attrs will actually
+ * be added; helps compatibility with older OL versions */
+ rs->sr_err = slap_add_opattrs( op, &rs->sr_text, textbuf, textlen, 1 );
+ if ( rs->sr_err != LDAP_SUCCESS ) {
+ Debug( LDAP_DEBUG_TRACE,
+ LDAP_XSTRING(ndb_back_add) ": entry failed op attrs add: "
+ "%s (%d)\n", rs->sr_text, rs->sr_err, 0 );
+ goto return_results;
+ }
+
+ /* Get our NDB handle */
+ rs->sr_err = ndb_thread_handle( op, &NA.ndb );
+
+ /*
+ * Get the parent dn and see if the corresponding entry exists.
+ */
+ if ( be_issuffix( op->o_bd, &op->oq_add.rs_e->e_nname ) ) {
+ pdn = slap_empty_bv;
+ pndn = slap_empty_bv;
+ } else {
+ dnParent( &op->ora_e->e_name, &pdn );
+ dnParent( &op->ora_e->e_nname, &pndn );
+ }
+ p.e_name = op->ora_e->e_name;
+ p.e_nname = op->ora_e->e_nname;
+
+ op->ora_e->e_id = NOID;
+ rdns.nr_num = 0;
+ NA.rdns = &rdns;
+
+ if( 0 ) {
+retry: /* transaction retry */
+ NA.txn->close();
+ NA.txn = NULL;
+ if ( op->o_abandon ) {
+ rs->sr_err = SLAPD_ABANDON;
+ goto return_results;
+ }
+ ndb_trans_backoff( ++num_retries );
+ }
+
+ NA.txn = NA.ndb->startTransaction();
+ rs->sr_text = NULL;
+ if( !NA.txn ) {
+ Debug( LDAP_DEBUG_TRACE,
+ LDAP_XSTRING(ndb_back_add) ": startTransaction failed: %s (%d)\n",
+ NA.ndb->getNdbError().message, NA.ndb->getNdbError().code, 0 );
+ rs->sr_err = LDAP_OTHER;
+ rs->sr_text = "internal error";
+ goto return_results;
+ }
+
+ /* get entry or parent */
+ NA.e = &p;
+ NA.ocs = NULL;
+ rs->sr_err = ndb_entry_get_info( op, &NA, 0, &matched );
+ switch( rs->sr_err ) {
+ case 0:
+ rs->sr_err = LDAP_ALREADY_EXISTS;
+ goto return_results;
+ case LDAP_NO_SUCH_OBJECT:
+ break;
+#if 0
+ case DB_LOCK_DEADLOCK:
+ case DB_LOCK_NOTGRANTED:
+ goto retry;
+#endif
+ case LDAP_BUSY:
+ rs->sr_text = "ldap server busy";
+ goto return_results;
+ default:
+ rs->sr_err = LDAP_OTHER;
+ rs->sr_text = "internal error";
+ goto return_results;
+ }
+
+ if ( NA.ocs ) {
+ int i;
+ for ( i=0; !BER_BVISNULL( &NA.ocs[i] ); i++ );
+ poc.a_numvals = i;
+ poc.a_desc = slap_schema.si_ad_objectClass;
+ poc.a_vals = NA.ocs;
+ poc.a_nvals = poc.a_vals;
+ poc.a_next = NULL;
+ p.e_attrs = &poc;
+ }
+
+ if ( ber_bvstrcasecmp( &pndn, &matched ) ) {
+ rs->sr_matched = matched.bv_val;
+ Debug( LDAP_DEBUG_TRACE,
+ LDAP_XSTRING(ndb_back_add) ": parent "
+ "does not exist\n", 0, 0, 0 );
+
+ rs->sr_text = "parent does not exist";
+ rs->sr_err = LDAP_NO_SUCH_OBJECT;
+ if ( p.e_attrs && is_entry_referral( &p )) {
+is_ref: p.e_attrs = NULL;
+ ndb_entry_get_data( op, &NA, 0 );
+ rs->sr_ref = get_entry_referrals( op, &p );
+ rs->sr_err = LDAP_REFERRAL;
+ rs->sr_flags = REP_REF_MUSTBEFREED;
+ attrs_free( p.e_attrs );
+ p.e_attrs = NULL;
+ }
+ goto return_results;
+ }
+
+ p.e_name = pdn;
+ p.e_nname = pndn;
+ rs->sr_err = access_allowed( op, &p,
+ children, NULL, ACL_WADD, NULL );
+
+ if ( ! rs->sr_err ) {
+ Debug( LDAP_DEBUG_TRACE,
+ LDAP_XSTRING(ndb_back_add) ": no write access to parent\n",
+ 0, 0, 0 );
+ rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
+ rs->sr_text = "no write access to parent";
+ goto return_results;
+ }
+
+ if ( NA.ocs ) {
+ if ( is_entry_subentry( &p )) {
+ /* parent is a subentry, don't allow add */
+ Debug( LDAP_DEBUG_TRACE,
+ LDAP_XSTRING(ndb_back_add) ": parent is subentry\n",
+ 0, 0, 0 );
+ rs->sr_err = LDAP_OBJECT_CLASS_VIOLATION;
+ rs->sr_text = "parent is a subentry";
+ goto return_results;
+ }
+
+ if ( is_entry_alias( &p ) ) {
+ /* parent is an alias, don't allow add */
+ Debug( LDAP_DEBUG_TRACE,
+ LDAP_XSTRING(ndb_back_add) ": parent is alias\n",
+ 0, 0, 0 );
+ rs->sr_err = LDAP_ALIAS_PROBLEM;
+ rs->sr_text = "parent is an alias";
+ goto return_results;
+ }
+
+ if ( is_entry_referral( &p ) ) {
+ /* parent is a referral, don't allow add */
+ rs->sr_matched = p.e_name.bv_val;
+ goto is_ref;
+ }
+ }
+
+ rs->sr_err = access_allowed( op, op->ora_e,
+ entry, NULL, ACL_WADD, NULL );
+
+ if ( ! rs->sr_err ) {
+ Debug( LDAP_DEBUG_TRACE,
+ LDAP_XSTRING(ndb_back_add) ": no write access to entry\n",
+ 0, 0, 0 );
+ rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
+ rs->sr_text = "no write access to entry";
+ goto return_results;;
+ }
+
+ /*
+ * Check ACL for attribute write access
+ */
+ if (!acl_check_modlist(op, op->ora_e, op->ora_modlist)) {
+ Debug( LDAP_DEBUG_TRACE,
+ LDAP_XSTRING(bdb_add) ": no write access to attribute\n",
+ 0, 0, 0 );
+ rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
+ rs->sr_text = "no write access to attribute";
+ goto return_results;;
+ }
+
+
+ /* acquire entry ID */
+ if ( op->ora_e->e_id == NOID ) {
+ rs->sr_err = ndb_next_id( op->o_bd, NA.ndb, &op->ora_e->e_id );
+ if( rs->sr_err != 0 ) {
+ Debug( LDAP_DEBUG_TRACE,
+ LDAP_XSTRING(ndb_back_add) ": next_id failed (%d)\n",
+ rs->sr_err, 0, 0 );
+ rs->sr_err = LDAP_OTHER;
+ rs->sr_text = "internal error";
+ goto return_results;
+ }
+ }
+
+ if ( matched.bv_val )
+ rdns.nr_num++;
+ NA.e = op->ora_e;
+ /* dn2id index */
+ rs->sr_err = ndb_entry_put_info( op->o_bd, &NA, 0 );
+ if ( rs->sr_err ) {
+ Debug( LDAP_DEBUG_TRACE,
+ LDAP_XSTRING(ndb_back_add) ": ndb_entry_put_info failed (%d)\n",
+ rs->sr_err, 0, 0 );
+ rs->sr_text = "internal error";
+ goto return_results;
+ }
+
+ /* id2entry index */
+ rs->sr_err = ndb_entry_put_data( op->o_bd, &NA );
+ if ( rs->sr_err ) {
+ Debug( LDAP_DEBUG_TRACE,
+ LDAP_XSTRING(ndb_back_add) ": ndb_entry_put_data failed (%d) %s(%d)\n",
+ rs->sr_err, NA.txn->getNdbError().message, NA.txn->getNdbError().code );
+ rs->sr_text = "internal error";
+ goto return_results;
+ }
+
+ /* post-read */
+ if( op->o_postread ) {
+ if( postread_ctrl == NULL ) {
+ postread_ctrl = &ctrls[num_ctrls++];
+ ctrls[num_ctrls] = NULL;
+ }
+ if ( slap_read_controls( op, rs, op->oq_add.rs_e,
+ &slap_post_read_bv, postread_ctrl ) )
+ {
+ Debug( LDAP_DEBUG_TRACE,
+ "<=- " LDAP_XSTRING(ndb_back_add) ": 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 return_results;
+ }
+ }
+ }
+
+ if ( op->o_noop ) {
+ if (( rs->sr_err=NA.txn->execute( NdbTransaction::Rollback,
+ NdbOperation::AbortOnError, 1 )) != 0 ) {
+ rs->sr_text = "txn (no-op) failed";
+ } else {
+ rs->sr_err = LDAP_X_NO_OPERATION;
+ }
+
+ } else {
+ if(( rs->sr_err=NA.txn->execute( NdbTransaction::Commit,
+ NdbOperation::AbortOnError, 1 )) != 0 ) {
+ rs->sr_text = "txn_commit failed";
+ } else {
+ rs->sr_err = LDAP_SUCCESS;
+ }
+ }
+
+ if ( rs->sr_err != LDAP_SUCCESS && rs->sr_err != LDAP_X_NO_OPERATION ) {
+ Debug( LDAP_DEBUG_TRACE,
+ LDAP_XSTRING(ndb_back_add) ": %s : %s (%d)\n",
+ rs->sr_text, NA.txn->getNdbError().message, NA.txn->getNdbError().code );
+ rs->sr_err = LDAP_OTHER;
+ goto return_results;
+ }
+ NA.txn->close();
+ NA.txn = NULL;
+
+ Debug(LDAP_DEBUG_TRACE,
+ LDAP_XSTRING(ndb_back_add) ": added%s id=%08lx dn=\"%s\"\n",
+ op->o_noop ? " (no-op)" : "",
+ op->oq_add.rs_e->e_id, op->oq_add.rs_e->e_dn );
+
+ rs->sr_text = NULL;
+ if( num_ctrls ) rs->sr_ctrls = ctrls;
+
+return_results:
+ success = rs->sr_err;
+ send_ldap_result( op, rs );
+ slap_graduate_commit_csn( op );
+
+ if( NA.txn != NULL ) {
+ NA.txn->execute( Rollback );
+ NA.txn->close();
+ }
+
+ 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;
+}