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|
/* add.cpp - ldap NDB back-end add routine */
/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
* Copyright 2008-2021 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;
}
|
