示例#1
0
/*
 * sets *hasSubordinates to LDAP_COMPARE_TRUE/LDAP_COMPARE_FALSE
 * if the entry has children or not.
 */
int
mdb_hasSubordinates(
	Operation	*op,
	Entry		*e,
	int		*hasSubordinates )
{
	struct mdb_info *mdb = (struct mdb_info *) op->o_bd->be_private;
	MDB_txn		*rtxn;
	mdb_op_info	opinfo = {{{0}}}, *moi = &opinfo;
	int		rc;
	
	assert( e != NULL );

	rc = mdb_opinfo_get(op, mdb, 1, &moi);
	switch(rc) {
	case 0:
		break;
	default:
		rc = LDAP_OTHER;
		goto done;
	}

	rtxn = moi->moi_txn;

	rc = mdb_dn2id_children( op, rtxn, e );

	switch( rc ) {
	case 0:
		*hasSubordinates = LDAP_COMPARE_TRUE;
		break;

	case MDB_NOTFOUND:
		*hasSubordinates = LDAP_COMPARE_FALSE;
		rc = LDAP_SUCCESS;
		break;

	default:
		Debug(LDAP_DEBUG_ARGS, 
			"<=- " LDAP_XSTRING(mdb_hasSubordinates)
			": has_children failed: %s (%d)\n", 
			mdb_strerror(rc), rc, 0 );
		rc = LDAP_OTHER;
	}

done:;
	if ( moi == &opinfo ) {
		mdb_txn_reset( moi->moi_txn );
		LDAP_SLIST_REMOVE( &op->o_extra, &moi->moi_oe, OpExtra, oe_next );
	} else {
		moi->moi_ref--;
	}
	return rc;
}
示例#2
0
int
bdb_add(Operation *op, SlapReply *rs )
{
	struct bdb_info *bdb = (struct bdb_info *) op->o_bd->be_private;
	struct berval	pdn;
	Entry		*p = NULL, *oe = op->ora_e;
	EntryInfo	*ei;
	char textbuf[SLAP_TEXT_BUFLEN];
	size_t textlen = sizeof textbuf;
	AttributeDescription *children = slap_schema.si_ad_children;
	AttributeDescription *entry = slap_schema.si_ad_entry;
	DB_TXN		*ltid = NULL, *lt2;
	ID eid = NOID;
	struct bdb_op_info opinfo = {{{ 0 }}};
	int subentry;
	DB_LOCK		lock;

	int		num_retries = 0;
	int		success;

	LDAPControl **postread_ctrl = NULL;
	LDAPControl *ctrls[SLAP_MAX_RESPONSE_CONTROLS];
	int num_ctrls = 0;

#ifdef LDAP_X_TXN
	int settle = 0;
#endif

	Debug(LDAP_DEBUG_ARGS, "==> " LDAP_XSTRING(bdb_add) ": %s\n",
		op->ora_e->e_name.bv_val, 0, 0);

#ifdef LDAP_X_TXN
	if( op->o_txnSpec ) {
		/* acquire connection lock */
		ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
		if( op->o_conn->c_txn == CONN_TXN_INACTIVE ) {
			rs->sr_text = "invalid transaction identifier";
			rs->sr_err = LDAP_X_TXN_ID_INVALID;
			goto txnReturn;
		} else if( op->o_conn->c_txn == CONN_TXN_SETTLE ) {
			settle=1;
			goto txnReturn;
		}

		if( op->o_conn->c_txn_backend == NULL ) {
			op->o_conn->c_txn_backend = op->o_bd;

		} else if( op->o_conn->c_txn_backend != op->o_bd ) {
			rs->sr_text = "transaction cannot span multiple database contexts";
			rs->sr_err = LDAP_AFFECTS_MULTIPLE_DSAS;
			goto txnReturn;
		}

		/* insert operation into transaction */

		rs->sr_text = "transaction specified";
		rs->sr_err = LDAP_X_TXN_SPECIFY_OKAY;

txnReturn:
		/* release connection lock */
		ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );

		if( !settle ) {
			send_ldap_result( op, rs );
			return rs->sr_err;
		}
	}
#endif

	ctrls[num_ctrls] = 0;

	/* check entry's schema */
	rs->sr_err = entry_schema_check( op, op->ora_e, NULL,
		get_relax(op), 1, NULL, &rs->sr_text, textbuf, textlen );
	if ( rs->sr_err != LDAP_SUCCESS ) {
		Debug( LDAP_DEBUG_TRACE,
			LDAP_XSTRING(bdb_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(bdb_add) ": entry failed op attrs add: "
			"%s (%d)\n", rs->sr_text, rs->sr_err, 0 );
		goto return_results;
	}

	if ( get_assert( op ) &&
		( test_filter( op, op->ora_e, get_assertion( op )) != LDAP_COMPARE_TRUE ))
	{
		rs->sr_err = LDAP_ASSERTION_FAILED;
		goto return_results;
	}

	subentry = is_entry_subentry( op->ora_e );

	if( 0 ) {
retry:	/* transaction retry */
		if( p ) {
			/* free parent and reader lock */
			if ( p != (Entry *)&slap_entry_root ) {
				bdb_unlocked_cache_return_entry_r( bdb, p );
			}
			p = NULL;
		}
		rs->sr_err = TXN_ABORT( ltid );
		ltid = NULL;
		LDAP_SLIST_REMOVE( &op->o_extra, &opinfo.boi_oe, OpExtra, oe_next );
		opinfo.boi_oe.oe_key = NULL;
		op->o_do_not_cache = opinfo.boi_acl_cache;
		if( rs->sr_err != 0 ) {
			rs->sr_err = LDAP_OTHER;
			rs->sr_text = "internal error";
			goto return_results;
		}
		if ( op->o_abandon ) {
			rs->sr_err = SLAPD_ABANDON;
			goto return_results;
		}
		bdb_trans_backoff( ++num_retries );
	}

	/* begin transaction */
	rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, NULL, &ltid, 
		bdb->bi_db_opflags );
	rs->sr_text = NULL;
	if( rs->sr_err != 0 ) {
		Debug( LDAP_DEBUG_TRACE,
			LDAP_XSTRING(bdb_add) ": txn_begin failed: %s (%d)\n",
			db_strerror(rs->sr_err), rs->sr_err, 0 );
		rs->sr_err = LDAP_OTHER;
		rs->sr_text = "internal error";
		goto return_results;
	}
	Debug( LDAP_DEBUG_TRACE, LDAP_XSTRING(bdb_add) ": txn1 id: %x\n",
		ltid->id(ltid), 0, 0 );

	opinfo.boi_oe.oe_key = bdb;
	opinfo.boi_txn = ltid;
	opinfo.boi_err = 0;
	opinfo.boi_acl_cache = op->o_do_not_cache;
	LDAP_SLIST_INSERT_HEAD( &op->o_extra, &opinfo.boi_oe, oe_next );

	/*
	 * Get the parent dn and see if the corresponding entry exists.
	 */
	if ( be_issuffix( op->o_bd, &op->ora_e->e_nname ) ) {
		pdn = slap_empty_bv;
	} else {
		dnParent( &op->ora_e->e_nname, &pdn );
	}

	/* get entry or parent */
	rs->sr_err = bdb_dn2entry( op, ltid, &op->ora_e->e_nname, &ei,
		1, &lock );
	switch( rs->sr_err ) {
	case 0:
		rs->sr_err = LDAP_ALREADY_EXISTS;
		goto return_results;
	case DB_NOTFOUND:
		break;
	case DB_LOCK_DEADLOCK:
	case DB_LOCK_NOTGRANTED:
		goto retry;
	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;
	}

	p = ei->bei_e;
	if ( !p )
		p = (Entry *)&slap_entry_root;

	if ( !bvmatch( &pdn, &p->e_nname ) ) {
		rs->sr_matched = ber_strdup_x( p->e_name.bv_val,
			op->o_tmpmemctx );
		rs->sr_ref = is_entry_referral( p )
			? get_entry_referrals( op, p )
			: NULL;
		if ( p != (Entry *)&slap_entry_root )
			bdb_unlocked_cache_return_entry_r( bdb, p );
		p = NULL;
		Debug( LDAP_DEBUG_TRACE,
			LDAP_XSTRING(bdb_add) ": parent "
			"does not exist\n", 0, 0, 0 );

		rs->sr_err = LDAP_REFERRAL;
		rs->sr_flags = REP_MATCHED_MUSTBEFREED | REP_REF_MUSTBEFREED;
		goto return_results;
	}

	rs->sr_err = access_allowed( op, p,
		children, NULL, ACL_WADD, NULL );

	if ( ! rs->sr_err ) {
		switch( opinfo.boi_err ) {
		case DB_LOCK_DEADLOCK:
		case DB_LOCK_NOTGRANTED:
			goto retry;
		}

		if ( p != (Entry *)&slap_entry_root )
			bdb_unlocked_cache_return_entry_r( bdb, p );
		p = NULL;

		Debug( LDAP_DEBUG_TRACE,
			LDAP_XSTRING(bdb_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 ( p != (Entry *)&slap_entry_root ) {
		if ( is_entry_subentry( p ) ) {
			bdb_unlocked_cache_return_entry_r( bdb, p );
			p = NULL;
			/* parent is a subentry, don't allow add */
			Debug( LDAP_DEBUG_TRACE,
				LDAP_XSTRING(bdb_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 ) ) {
			bdb_unlocked_cache_return_entry_r( bdb, p );
			p = NULL;
			/* parent is an alias, don't allow add */
			Debug( LDAP_DEBUG_TRACE,
				LDAP_XSTRING(bdb_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 = ber_strdup_x( p->e_name.bv_val,
				op->o_tmpmemctx );
			rs->sr_ref = get_entry_referrals( op, p );
			bdb_unlocked_cache_return_entry_r( bdb, p );
			p = NULL;
			Debug( LDAP_DEBUG_TRACE,
				LDAP_XSTRING(bdb_add) ": parent is referral\n",
				0, 0, 0 );

			rs->sr_err = LDAP_REFERRAL;
			rs->sr_flags = REP_MATCHED_MUSTBEFREED | REP_REF_MUSTBEFREED;
			goto return_results;
		}

	}

	if ( subentry ) {
		/* FIXME: */
		/* parent must be an administrative point of the required kind */
	}

	/* free parent and reader lock */
	if ( p != (Entry *)&slap_entry_root ) {
		if ( p->e_nname.bv_len ) {
			struct berval ppdn;

			/* ITS#5326: use parent's DN if differs from provided one */
			dnParent( &op->ora_e->e_name, &ppdn );
			if ( !dn_match( &p->e_name, &ppdn ) ) {
				struct berval rdn;
				struct berval newdn;

				dnRdn( &op->ora_e->e_name, &rdn );

				build_new_dn( &newdn, &p->e_name, &rdn, NULL ); 
				if ( op->ora_e->e_name.bv_val != op->o_req_dn.bv_val )
					ber_memfree( op->ora_e->e_name.bv_val );
				op->ora_e->e_name = newdn;

				/* FIXME: should check whether
				 * dnNormalize(newdn) == e->e_nname ... */
			}
		}

		bdb_unlocked_cache_return_entry_r( bdb, p );
	}
	p = NULL;

	rs->sr_err = access_allowed( op, op->ora_e,
		entry, NULL, ACL_WADD, NULL );

	if ( ! rs->sr_err ) {
		switch( opinfo.boi_err ) {
		case DB_LOCK_DEADLOCK:
		case DB_LOCK_NOTGRANTED:
			goto retry;
		}

		Debug( LDAP_DEBUG_TRACE,
			LDAP_XSTRING(bdb_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, oe, op->ora_modlist)) {
		switch( opinfo.boi_err ) {
		case DB_LOCK_DEADLOCK:
		case DB_LOCK_NOTGRANTED:
			goto retry;
		}

		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;;
	}

	if ( eid == NOID ) {
		rs->sr_err = bdb_next_id( op->o_bd, &eid );
		if( rs->sr_err != 0 ) {
			Debug( LDAP_DEBUG_TRACE,
				LDAP_XSTRING(bdb_add) ": next_id failed (%d)\n",
				rs->sr_err, 0, 0 );
			rs->sr_err = LDAP_OTHER;
			rs->sr_text = "internal error";
			goto return_results;
		}
		op->ora_e->e_id = eid;
	}

	/* nested transaction */
	rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, ltid, &lt2, 
		bdb->bi_db_opflags );
	rs->sr_text = NULL;
	if( rs->sr_err != 0 ) {
		Debug( LDAP_DEBUG_TRACE,
			LDAP_XSTRING(bdb_add) ": txn_begin(2) failed: "
			"%s (%d)\n", db_strerror(rs->sr_err), rs->sr_err, 0 );
		rs->sr_err = LDAP_OTHER;
		rs->sr_text = "internal error";
		goto return_results;
	}
	Debug( LDAP_DEBUG_TRACE, LDAP_XSTRING(bdb_add) ": txn2 id: %x\n",
		lt2->id(lt2), 0, 0 );

	/* dn2id index */
	rs->sr_err = bdb_dn2id_add( op, lt2, ei, op->ora_e );
	if ( rs->sr_err != 0 ) {
		Debug( LDAP_DEBUG_TRACE,
			LDAP_XSTRING(bdb_add) ": dn2id_add failed: %s (%d)\n",
			db_strerror(rs->sr_err), rs->sr_err, 0 );

		switch( rs->sr_err ) {
		case DB_LOCK_DEADLOCK:
		case DB_LOCK_NOTGRANTED:
			goto retry;
		case DB_KEYEXIST:
			rs->sr_err = LDAP_ALREADY_EXISTS;
			break;
		default:
			rs->sr_err = LDAP_OTHER;
		}
		goto return_results;
	}

	/* attribute indexes */
	rs->sr_err = bdb_index_entry_add( op, lt2, op->ora_e );
	if ( rs->sr_err != LDAP_SUCCESS ) {
		Debug( LDAP_DEBUG_TRACE,
			LDAP_XSTRING(bdb_add) ": index_entry_add failed\n",
			0, 0, 0 );
		switch( rs->sr_err ) {
		case DB_LOCK_DEADLOCK:
		case DB_LOCK_NOTGRANTED:
			goto retry;
		default:
			rs->sr_err = LDAP_OTHER;
		}
		rs->sr_text = "index generation failed";
		goto return_results;
	}

	/* id2entry index */
	rs->sr_err = bdb_id2entry_add( op->o_bd, lt2, op->ora_e );
	if ( rs->sr_err != 0 ) {
		Debug( LDAP_DEBUG_TRACE,
			LDAP_XSTRING(bdb_add) ": id2entry_add failed\n",
			0, 0, 0 );
		switch( rs->sr_err ) {
		case DB_LOCK_DEADLOCK:
		case DB_LOCK_NOTGRANTED:
			goto retry;
		default:
			rs->sr_err = LDAP_OTHER;
		}
		rs->sr_text = "entry store failed";
		goto return_results;
	}

	if ( TXN_COMMIT( lt2, 0 ) != 0 ) {
		rs->sr_err = LDAP_OTHER;
		rs->sr_text = "txn_commit(2) failed";
		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->ora_e,
			&slap_post_read_bv, postread_ctrl ) )
		{
			Debug( LDAP_DEBUG_TRACE,
				"<=- " LDAP_XSTRING(bdb_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=TXN_ABORT( ltid )) != 0 ) {
			rs->sr_text = "txn_abort (no-op) failed";
		} else {
			rs->sr_err = LDAP_X_NO_OPERATION;
			ltid = NULL;
			goto return_results;
		}

	} else {
		struct berval nrdn;

		/* pick the RDN if not suffix; otherwise pick the entire DN */
		if (pdn.bv_len) {
			nrdn.bv_val = op->ora_e->e_nname.bv_val;
			nrdn.bv_len = pdn.bv_val - op->ora_e->e_nname.bv_val - 1;
		} else {
			nrdn = op->ora_e->e_nname;
		}

		bdb_cache_add( bdb, ei, op->ora_e, &nrdn, ltid, &lock );

		if(( rs->sr_err=TXN_COMMIT( ltid, 0 )) != 0 ) {
			rs->sr_text = "txn_commit failed";
		} else {
			rs->sr_err = LDAP_SUCCESS;
		}
	}

	ltid = NULL;
	LDAP_SLIST_REMOVE( &op->o_extra, &opinfo.boi_oe, OpExtra, oe_next );
	opinfo.boi_oe.oe_key = NULL;

	if ( rs->sr_err != LDAP_SUCCESS ) {
		Debug( LDAP_DEBUG_TRACE,
			LDAP_XSTRING(bdb_add) ": %s : %s (%d)\n",
			rs->sr_text, db_strerror(rs->sr_err), rs->sr_err );
		rs->sr_err = LDAP_OTHER;
		goto return_results;
	}

	Debug(LDAP_DEBUG_TRACE,
		LDAP_XSTRING(bdb_add) ": added%s id=%08lx dn=\"%s\"\n",
		op->o_noop ? " (no-op)" : "",
		op->ora_e->e_id, op->ora_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 );

	if( ltid != NULL ) {
		TXN_ABORT( ltid );
	}
	if ( opinfo.boi_oe.oe_key ) {
		LDAP_SLIST_REMOVE( &op->o_extra, &opinfo.boi_oe, OpExtra, oe_next );
	}

	if( success == LDAP_SUCCESS ) {
		/* We own the entry now, and it can be purged at will
		 * Check to make sure it's the same entry we entered with.
		 * Possibly a callback may have mucked with it, although
		 * in general callbacks should treat the entry as read-only.
		 */
		bdb_cache_deref( oe->e_private );
		if ( op->ora_e == oe )
			op->ora_e = NULL;

		if ( bdb->bi_txn_cp_kbyte ) {
			TXN_CHECKPOINT( bdb->bi_dbenv,
				bdb->bi_txn_cp_kbyte, bdb->bi_txn_cp_min, 0 );
		}
	}

	slap_graduate_commit_csn( op );

	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;
}
示例#3
0
int
mdb_search( Operation *op, SlapReply *rs )
{
	struct mdb_info *mdb = (struct mdb_info *) op->o_bd->be_private;
	ID		id, cursor, nsubs, ncand, cscope;
	ID		lastid = NOID;
	ID		candidates[MDB_IDL_UM_SIZE];
	ID		iscopes[MDB_IDL_DB_SIZE];
	ID2		*scopes;
	void	*stack;
	Entry		*e = NULL, *base = NULL;
	Entry		*matched = NULL;
	AttributeName	*attrs;
	slap_mask_t	mask;
	time_t		stoptime;
	int		manageDSAit;
	int		tentries = 0;
	IdScopes	isc;
	MDB_cursor	*mci, *mcd;
	ww_ctx wwctx;
	slap_callback cb = { 0 };

	mdb_op_info	opinfo = {{{0}}}, *moi = &opinfo;
	MDB_txn			*ltid = NULL;

	Debug( LDAP_DEBUG_TRACE, "=> " LDAP_XSTRING(mdb_search) "\n", 0, 0, 0);
	attrs = op->oq_search.rs_attrs;

	manageDSAit = get_manageDSAit( op );

	rs->sr_err = mdb_opinfo_get( op, mdb, 1, &moi );
	switch(rs->sr_err) {
	case 0:
		break;
	default:
		send_ldap_error( op, rs, LDAP_OTHER, "internal error" );
		return rs->sr_err;
	}

	ltid = moi->moi_txn;

	rs->sr_err = mdb_cursor_open( ltid, mdb->mi_id2entry, &mci );
	if ( rs->sr_err ) {
		send_ldap_error( op, rs, LDAP_OTHER, "internal error" );
		return rs->sr_err;
	}

	rs->sr_err = mdb_cursor_open( ltid, mdb->mi_dn2id, &mcd );
	if ( rs->sr_err ) {
		mdb_cursor_close( mci );
		send_ldap_error( op, rs, LDAP_OTHER, "internal error" );
		return rs->sr_err;
	}

	scopes = scope_chunk_get( op );
	stack = search_stack( op );
	isc.mt = ltid;
	isc.mc = mcd;
	isc.scopes = scopes;
	isc.oscope = op->ors_scope;
	isc.sctmp = stack;

	if ( op->ors_deref & LDAP_DEREF_FINDING ) {
		MDB_IDL_ZERO(candidates);
	}
dn2entry_retry:
	/* get entry with reader lock */
	rs->sr_err = mdb_dn2entry( op, ltid, mcd, &op->o_req_ndn, &e, &nsubs, 1 );

	switch(rs->sr_err) {
	case MDB_NOTFOUND:
		matched = e;
		e = NULL;
		break;
	case 0:
		break;
	case LDAP_BUSY:
		send_ldap_error( op, rs, LDAP_BUSY, "ldap server busy" );
		goto done;
	default:
		send_ldap_error( op, rs, LDAP_OTHER, "internal error" );
		goto done;
	}

	if ( op->ors_deref & LDAP_DEREF_FINDING ) {
		if ( matched && is_entry_alias( matched )) {
			struct berval stub;

			stub.bv_val = op->o_req_ndn.bv_val;
			stub.bv_len = op->o_req_ndn.bv_len - matched->e_nname.bv_len - 1;
			e = deref_base( op, rs, matched, &matched, ltid,
				candidates, NULL );
			if ( e ) {
				build_new_dn( &op->o_req_ndn, &e->e_nname, &stub,
					op->o_tmpmemctx );
				mdb_entry_return(op, e);
				matched = NULL;
				goto dn2entry_retry;
			}
		} else if ( e && is_entry_alias( e )) {
			e = deref_base( op, rs, e, &matched, ltid,
				candidates, NULL );
		}
	}

	if ( e == NULL ) {
		struct berval matched_dn = BER_BVNULL;

		if ( matched != NULL ) {
			BerVarray erefs = NULL;

			/* return referral only if "disclose"
			 * is granted on the object */
			if ( ! access_allowed( op, matched,
						slap_schema.si_ad_entry,
						NULL, ACL_DISCLOSE, NULL ) )
			{
				rs->sr_err = LDAP_NO_SUCH_OBJECT;

			} else {
				ber_dupbv( &matched_dn, &matched->e_name );

				erefs = is_entry_referral( matched )
					? get_entry_referrals( op, matched )
					: NULL;
				if ( rs->sr_err == MDB_NOTFOUND )
					rs->sr_err = LDAP_REFERRAL;
				rs->sr_matched = matched_dn.bv_val;
			}

			mdb_entry_return(op, matched);
			matched = NULL;

			if ( erefs ) {
				rs->sr_ref = referral_rewrite( erefs, &matched_dn,
					&op->o_req_dn, op->oq_search.rs_scope );
				ber_bvarray_free( erefs );
			}

		} else {
			rs->sr_ref = referral_rewrite( default_referral,
				NULL, &op->o_req_dn, op->oq_search.rs_scope );
			rs->sr_err = rs->sr_ref != NULL ? LDAP_REFERRAL : LDAP_NO_SUCH_OBJECT;
		}

		send_ldap_result( op, rs );

		if ( rs->sr_ref ) {
			ber_bvarray_free( rs->sr_ref );
			rs->sr_ref = NULL;
		}
		if ( !BER_BVISNULL( &matched_dn ) ) {
			ber_memfree( matched_dn.bv_val );
			rs->sr_matched = NULL;
		}
		goto done;
	}

	/* NOTE: __NEW__ "search" access is required
	 * on searchBase object */
	if ( ! access_allowed_mask( op, e, slap_schema.si_ad_entry,
				NULL, ACL_SEARCH, NULL, &mask ) )
	{
		if ( !ACL_GRANT( mask, ACL_DISCLOSE ) ) {
			rs->sr_err = LDAP_NO_SUCH_OBJECT;
		} else {
			rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
		}

		mdb_entry_return( op,e);
		send_ldap_result( op, rs );
		goto done;
	}

	if ( !manageDSAit && is_entry_referral( e ) ) {
		/* entry is a referral */
		struct berval matched_dn = BER_BVNULL;
		BerVarray erefs = NULL;
		
		ber_dupbv( &matched_dn, &e->e_name );
		erefs = get_entry_referrals( op, e );

		rs->sr_err = LDAP_REFERRAL;

		mdb_entry_return( op, e );
		e = NULL;

		if ( erefs ) {
			rs->sr_ref = referral_rewrite( erefs, &matched_dn,
				&op->o_req_dn, op->oq_search.rs_scope );
			ber_bvarray_free( erefs );

			if ( !rs->sr_ref ) {
				rs->sr_text = "bad_referral object";
			}
		}

		Debug( LDAP_DEBUG_TRACE,
			LDAP_XSTRING(mdb_search) ": entry is referral\n",
			0, 0, 0 );

		rs->sr_matched = matched_dn.bv_val;
		send_ldap_result( op, rs );

		ber_bvarray_free( rs->sr_ref );
		rs->sr_ref = NULL;
		ber_memfree( matched_dn.bv_val );
		rs->sr_matched = NULL;
		goto done;
	}

	if ( get_assert( op ) &&
		( test_filter( op, e, get_assertion( op )) != LDAP_COMPARE_TRUE ))
	{
		rs->sr_err = LDAP_ASSERTION_FAILED;
		mdb_entry_return( op,e);
		send_ldap_result( op, rs );
		goto done;
	}

	/* compute it anyway; root does not use it */
	stoptime = op->o_time + op->ors_tlimit;

	base = e;

	e = NULL;

	/* select candidates */
	if ( op->oq_search.rs_scope == LDAP_SCOPE_BASE ) {
		rs->sr_err = base_candidate( op->o_bd, base, candidates );
		scopes[0].mid = 0;
		ncand = 1;
	} else {
		if ( op->ors_scope == LDAP_SCOPE_ONELEVEL ) {
			size_t nkids;
			MDB_val key, data;
			key.mv_data = &base->e_id;
			key.mv_size = sizeof( ID );
			mdb_cursor_get( mcd, &key, &data, MDB_SET );
			mdb_cursor_count( mcd, &nkids );
			nsubs = nkids - 1;
		} else if ( !base->e_id ) {
			/* we don't maintain nsubs for entryID 0.
			 * just grab entry count from id2entry stat
			 */
			MDB_stat ms;
			mdb_stat( ltid, mdb->mi_id2entry, &ms );
			nsubs = ms.ms_entries;
		}
		MDB_IDL_ZERO( candidates );
		scopes[0].mid = 1;
		scopes[1].mid = base->e_id;
		scopes[1].mval.mv_data = NULL;
		rs->sr_err = search_candidates( op, rs, base,
			&isc, mci, candidates, stack );
		ncand = MDB_IDL_N( candidates );
		if ( !base->e_id || ncand == NOID ) {
			/* grab entry count from id2entry stat
			 */
			MDB_stat ms;
			mdb_stat( ltid, mdb->mi_id2entry, &ms );
			if ( !base->e_id )
				nsubs = ms.ms_entries;
			if ( ncand == NOID )
				ncand = ms.ms_entries;
		}
	}

	/* start cursor at beginning of candidates.
	 */
	cursor = 0;

	if ( candidates[0] == 0 ) {
		Debug( LDAP_DEBUG_TRACE,
			LDAP_XSTRING(mdb_search) ": no candidates\n",
			0, 0, 0 );

		goto nochange;
	}

	/* if not root and candidates exceed to-be-checked entries, abort */
	if ( op->ors_limit	/* isroot == FALSE */ &&
		op->ors_limit->lms_s_unchecked != -1 &&
		ncand > (unsigned) op->ors_limit->lms_s_unchecked )
	{
		rs->sr_err = LDAP_ADMINLIMIT_EXCEEDED;
		send_ldap_result( op, rs );
		rs->sr_err = LDAP_SUCCESS;
		goto done;
	}

	if ( op->ors_limit == NULL	/* isroot == TRUE */ ||
		!op->ors_limit->lms_s_pr_hide )
	{
		tentries = ncand;
	}

	wwctx.flag = 0;
	/* If we're running in our own read txn */
	if (  moi == &opinfo ) {
		cb.sc_writewait = mdb_writewait;
		cb.sc_private = &wwctx;
		wwctx.txn = ltid;
		wwctx.mcd = NULL;
		cb.sc_next = op->o_callback;
		op->o_callback = &cb;
	}

	if ( get_pagedresults( op ) > SLAP_CONTROL_IGNORED ) {
		PagedResultsState *ps = op->o_pagedresults_state;
		/* deferred cookie parsing */
		rs->sr_err = parse_paged_cookie( op, rs );
		if ( rs->sr_err != LDAP_SUCCESS ) {
			send_ldap_result( op, rs );
			goto done;
		}

		cursor = (ID) ps->ps_cookie;
		if ( cursor && ps->ps_size == 0 ) {
			rs->sr_err = LDAP_SUCCESS;
			rs->sr_text = "search abandoned by pagedResult size=0";
			send_ldap_result( op, rs );
			goto done;
		}
		id = mdb_idl_first( candidates, &cursor );
		if ( id == NOID ) {
			Debug( LDAP_DEBUG_TRACE, 
				LDAP_XSTRING(mdb_search)
				": no paged results candidates\n",
				0, 0, 0 );
			send_paged_response( op, rs, &lastid, 0 );

			rs->sr_err = LDAP_OTHER;
			goto done;
		}
		if ( id == (ID)ps->ps_cookie )
			id = mdb_idl_next( candidates, &cursor );
		nsubs = ncand;	/* always bypass scope'd search */
		goto loop_begin;
	}
	if ( nsubs < ncand ) {
		int rc;
		/* Do scope-based search */

		/* if any alias scopes were set, save them */
		if (scopes[0].mid > 1) {
			cursor = 1;
			for (cscope = 1; cscope <= scopes[0].mid; cscope++) {
				/* Ignore the original base */
				if (scopes[cscope].mid == base->e_id)
					continue;
				iscopes[cursor++] = scopes[cscope].mid;
			}
			iscopes[0] = scopes[0].mid - 1;
		} else {
			iscopes[0] = 0;
		}

		wwctx.mcd = mcd;
		isc.id = base->e_id;
		isc.numrdns = 0;
		rc = mdb_dn2id_walk( op, &isc );
		if ( rc )
			id = NOID;
		else
			id = isc.id;
		cscope = 0;
	} else {
		id = mdb_idl_first( candidates, &cursor );
	}

	while (id != NOID)
	{
		int scopeok;
		MDB_val edata;

loop_begin:

		/* check for abandon */
		if ( op->o_abandon ) {
			rs->sr_err = SLAPD_ABANDON;
			send_ldap_result( op, rs );
			goto done;
		}

		/* mostly needed by internal searches,
		 * e.g. related to syncrepl, for whom
		 * abandon does not get set... */
		if ( slapd_shutdown ) {
			rs->sr_err = LDAP_UNAVAILABLE;
			send_ldap_disconnect( op, rs );
			goto done;
		}

		/* check time limit */
		if ( op->ors_tlimit != SLAP_NO_LIMIT
				&& slap_get_time() > stoptime )
		{
			rs->sr_err = LDAP_TIMELIMIT_EXCEEDED;
			rs->sr_ref = rs->sr_v2ref;
			send_ldap_result( op, rs );
			rs->sr_err = LDAP_SUCCESS;
			goto done;
		}


		if ( nsubs < ncand ) {
			unsigned i;
			/* Is this entry in the candidate list? */
			scopeok = 0;
			if (MDB_IDL_IS_RANGE( candidates )) {
				if ( id >= MDB_IDL_RANGE_FIRST( candidates ) &&
					id <= MDB_IDL_RANGE_LAST( candidates ))
					scopeok = 1;
			} else {
				i = mdb_idl_search( candidates, id );
				if ( candidates[i] == id )
					scopeok = 1;
			}
			if ( scopeok )
				goto scopeok;
			goto loop_continue;
		}

		/* Does this candidate actually satisfy the search scope?
		 */
		scopeok = 0;
		isc.numrdns = 0;
		switch( op->ors_scope ) {
		case LDAP_SCOPE_BASE:
			/* This is always true, yes? */
			if ( id == base->e_id ) scopeok = 1;
			break;

#ifdef LDAP_SCOPE_CHILDREN
		case LDAP_SCOPE_CHILDREN:
			if ( id == base->e_id ) break;
			/* Fall-thru */
#endif
		case LDAP_SCOPE_SUBTREE:
			if ( id == base->e_id ) {
				scopeok = 1;
				break;
			}
			/* Fall-thru */
		case LDAP_SCOPE_ONELEVEL:
			isc.id = id;
			isc.nscope = 0;
			rs->sr_err = mdb_idscopes( op, &isc );
			if ( rs->sr_err == MDB_SUCCESS ) {
				if ( isc.nscope )
					scopeok = 1;
			} else {
				if ( rs->sr_err == MDB_NOTFOUND )
					goto notfound;
			}
			break;
		}

		/* Not in scope, ignore it */
		if ( !scopeok )
		{
			Debug( LDAP_DEBUG_TRACE,
				LDAP_XSTRING(mdb_search)
				": %ld scope not okay\n",
				(long) id, 0, 0 );
			goto loop_continue;
		}

scopeok:
		if ( id == base->e_id ) {
			e = base;
		} else {

			/* get the entry */
			rs->sr_err = mdb_id2edata( op, mci, id, &edata );
			if ( rs->sr_err == MDB_NOTFOUND ) {
notfound:
				if( nsubs < ncand )
					goto loop_continue;

				if( !MDB_IDL_IS_RANGE(candidates) ) {
					/* only complain for non-range IDLs */
					Debug( LDAP_DEBUG_TRACE,
						LDAP_XSTRING(mdb_search)
						": candidate %ld not found\n",
						(long) id, 0, 0 );
				} else {
					/* get the next ID from the DB */
					rs->sr_err = mdb_get_nextid( mci, &cursor );
					if ( rs->sr_err == MDB_NOTFOUND ) {
						break;
					}
					if ( rs->sr_err ) {
						rs->sr_err = LDAP_OTHER;
						rs->sr_text = "internal error in get_nextid";
						send_ldap_result( op, rs );
						goto done;
					}
					cursor--;
				}

				goto loop_continue;
			} else if ( rs->sr_err ) {
				rs->sr_err = LDAP_OTHER;
				rs->sr_text = "internal error in mdb_id2edata";
				send_ldap_result( op, rs );
				goto done;
			}

			rs->sr_err = mdb_entry_decode( op, ltid, &edata, &e );
			if ( rs->sr_err ) {
				rs->sr_err = LDAP_OTHER;
				rs->sr_text = "internal error in mdb_entry_decode";
				send_ldap_result( op, rs );
				goto done;
			}
			e->e_id = id;
			e->e_name.bv_val = NULL;
			e->e_nname.bv_val = NULL;
		}

		if ( is_entry_subentry( e ) ) {
			if( op->oq_search.rs_scope != LDAP_SCOPE_BASE ) {
				if(!get_subentries_visibility( op )) {
					/* only subentries are visible */
					goto loop_continue;
				}

			} else if ( get_subentries( op ) &&
				!get_subentries_visibility( op ))
			{
				/* only subentries are visible */
				goto loop_continue;
			}

		} else if ( get_subentries_visibility( op )) {
			/* only subentries are visible */
			goto loop_continue;
		}

		/* aliases were already dereferenced in candidate list */
		if ( op->ors_deref & LDAP_DEREF_SEARCHING ) {
			/* but if the search base is an alias, and we didn't
			 * deref it when finding, return it.
			 */
			if ( is_entry_alias(e) &&
				((op->ors_deref & LDAP_DEREF_FINDING) || e != base ))
			{
				goto loop_continue;
			}
		}

		if ( !manageDSAit && is_entry_glue( e )) {
			goto loop_continue;
		}

		if (e != base) {
			struct berval pdn, pndn;
			char *d, *n;
			int i;

			/* child of base, just append RDNs to base->e_name */
			if ( nsubs < ncand || isc.scopes[isc.nscope].mid == base->e_id ) {
				pdn = base->e_name;
				pndn = base->e_nname;
			} else {
				mdb_id2name( op, ltid, &isc.mc, scopes[isc.nscope].mid, &pdn, &pndn );
			}
			e->e_name.bv_len = pdn.bv_len;
			e->e_nname.bv_len = pndn.bv_len;
			for (i=0; i<isc.numrdns; i++) {
				e->e_name.bv_len += isc.rdns[i].bv_len + 1;
				e->e_nname.bv_len += isc.nrdns[i].bv_len + 1;
			}
			e->e_name.bv_val = op->o_tmpalloc(e->e_name.bv_len + 1, op->o_tmpmemctx);
			e->e_nname.bv_val = op->o_tmpalloc(e->e_nname.bv_len + 1, op->o_tmpmemctx);
			d = e->e_name.bv_val;
			n = e->e_nname.bv_val;
			if (nsubs < ncand) {
				/* RDNs are in top-down order */
				for (i=isc.numrdns-1; i>=0; i--) {
					memcpy(d, isc.rdns[i].bv_val, isc.rdns[i].bv_len);
					d += isc.rdns[i].bv_len;
					*d++ = ',';
					memcpy(n, isc.nrdns[i].bv_val, isc.nrdns[i].bv_len);
					n += isc.nrdns[i].bv_len;
					*n++ = ',';
				}
			} else {
				/* RDNs are in bottom-up order */
				for (i=0; i<isc.numrdns; i++) {
					memcpy(d, isc.rdns[i].bv_val, isc.rdns[i].bv_len);
					d += isc.rdns[i].bv_len;
					*d++ = ',';
					memcpy(n, isc.nrdns[i].bv_val, isc.nrdns[i].bv_len);
					n += isc.nrdns[i].bv_len;
					*n++ = ',';
				}
			}

			if (pdn.bv_len) {
				memcpy(d, pdn.bv_val, pdn.bv_len+1);
				memcpy(n, pndn.bv_val, pndn.bv_len+1);
			} else {
				*--d = '\0';
				*--n = '\0';
				e->e_name.bv_len--;
				e->e_nname.bv_len--;
			}
			if (pndn.bv_val != base->e_nname.bv_val) {
				op->o_tmpfree(pndn.bv_val, op->o_tmpmemctx);
				op->o_tmpfree(pdn.bv_val, op->o_tmpmemctx);
			}
		}

		/*
		 * if it's a referral, add it to the list of referrals. only do
		 * this for non-base searches, and don't check the filter
		 * explicitly here since it's only a candidate anyway.
		 */
		if ( !manageDSAit && op->oq_search.rs_scope != LDAP_SCOPE_BASE
			&& is_entry_referral( e ) )
		{
			BerVarray erefs = get_entry_referrals( op, e );
			rs->sr_ref = referral_rewrite( erefs, &e->e_name, NULL,
				op->oq_search.rs_scope == LDAP_SCOPE_ONELEVEL
					? LDAP_SCOPE_BASE : LDAP_SCOPE_SUBTREE );

			rs->sr_entry = e;
			rs->sr_flags = 0;

			send_search_reference( op, rs );

			if (e != base)
				mdb_entry_return( op, e );
			rs->sr_entry = NULL;
			e = NULL;

			ber_bvarray_free( rs->sr_ref );
			ber_bvarray_free( erefs );
			rs->sr_ref = NULL;

			if ( wwctx.flag ) {
				rs->sr_err = mdb_waitfixup( op, &wwctx, mci, mcd );
				if ( rs->sr_err ) {
					send_ldap_result( op, rs );
					goto done;
				}
			}

			goto loop_continue;
		}

		/* if it matches the filter and scope, send it */
		rs->sr_err = test_filter( op, e, op->oq_search.rs_filter );

		if ( rs->sr_err == LDAP_COMPARE_TRUE ) {
			/* check size limit */
			if ( get_pagedresults(op) > SLAP_CONTROL_IGNORED ) {
				if ( rs->sr_nentries >= ((PagedResultsState *)op->o_pagedresults_state)->ps_size ) {
					mdb_entry_return( op, e );
					e = NULL;
					send_paged_response( op, rs, &lastid, tentries );
					goto done;
				}
				lastid = id;
			}

			if (e) {
				/* safe default */
				rs->sr_attrs = op->oq_search.rs_attrs;
				rs->sr_operational_attrs = NULL;
				rs->sr_ctrls = NULL;
				rs->sr_entry = e;
				RS_ASSERT( e->e_private != NULL );
				rs->sr_flags = 0;
				rs->sr_err = LDAP_SUCCESS;
				rs->sr_err = send_search_entry( op, rs );
				rs->sr_attrs = NULL;
				rs->sr_entry = NULL;
				if (e != base)
					mdb_entry_return( op, e );
				e = NULL;

				switch ( rs->sr_err ) {
				case LDAP_SUCCESS:	/* entry sent ok */
					break;
				default:		/* entry not sent */
					break;
				case LDAP_BUSY:
					send_ldap_result( op, rs );
					goto done;
				case LDAP_UNAVAILABLE:
				case LDAP_SIZELIMIT_EXCEEDED:
					if ( rs->sr_err == LDAP_SIZELIMIT_EXCEEDED ) {
						rs->sr_ref = rs->sr_v2ref;
						send_ldap_result( op, rs );
						rs->sr_err = LDAP_SUCCESS;

					} else {
						rs->sr_err = LDAP_OTHER;
					}
					goto done;
				}
				if ( wwctx.flag ) {
					rs->sr_err = mdb_waitfixup( op, &wwctx, mci, mcd );
					if ( rs->sr_err ) {
						send_ldap_result( op, rs );
						goto done;
					}
				}
			}

		} else {
			Debug( LDAP_DEBUG_TRACE,
				LDAP_XSTRING(mdb_search)
				": %ld does not match filter\n",
				(long) id, 0, 0 );
		}

loop_continue:
		if( e != NULL ) {
			if ( e != base )
				mdb_entry_return( op, e );
			RS_ASSERT( rs->sr_entry == NULL );
			e = NULL;
			rs->sr_entry = NULL;
		}

		if ( nsubs < ncand ) {
			int rc = mdb_dn2id_walk( op, &isc );
			if (rc) {
				id = NOID;
				/* We got to the end of a subtree. If there are any
				 * alias scopes left, search them too.
				 */
				while (iscopes[0] && cscope < iscopes[0]) {
					cscope++;
					isc.id = iscopes[cscope];
					if ( base )
						mdb_entry_return( op, base );
					rs->sr_err = mdb_id2entry(op, mci, isc.id, &base);
					if ( !rs->sr_err ) {
						mdb_id2name( op, ltid, &isc.mc, isc.id, &base->e_name, &base->e_nname );
						isc.numrdns = 0;
						if (isc.oscope == LDAP_SCOPE_ONELEVEL)
							isc.oscope = LDAP_SCOPE_BASE;
						rc = mdb_dn2id_walk( op, &isc );
						if ( !rc ) {
							id = isc.id;
							break;
						}
					}
				}
			} else
				id = isc.id;
		} else {
			id = mdb_idl_next( candidates, &cursor );
		}
	}

nochange:
	rs->sr_ctrls = NULL;
	rs->sr_ref = rs->sr_v2ref;
	rs->sr_err = (rs->sr_v2ref == NULL) ? LDAP_SUCCESS : LDAP_REFERRAL;
	rs->sr_rspoid = NULL;
	if ( get_pagedresults(op) > SLAP_CONTROL_IGNORED ) {
		send_paged_response( op, rs, NULL, 0 );
	} else {
		send_ldap_result( op, rs );
	}

	rs->sr_err = LDAP_SUCCESS;

done:
	if ( cb.sc_private ) {
		/* remove our writewait callback */
		slap_callback **scp = &op->o_callback;
		while ( *scp ) {
			if ( *scp == &cb ) {
				*scp = cb.sc_next;
				cb.sc_private = NULL;
				break;
			}
		}
	}
	mdb_cursor_close( mcd );
	mdb_cursor_close( mci );
	if ( moi == &opinfo ) {
		mdb_txn_reset( moi->moi_txn );
		LDAP_SLIST_REMOVE( &op->o_extra, &moi->moi_oe, OpExtra, oe_next );
	} else {
		moi->moi_ref--;
	}
	if( rs->sr_v2ref ) {
		ber_bvarray_free( rs->sr_v2ref );
		rs->sr_v2ref = NULL;
	}
	if (base)
		mdb_entry_return( op, base );
	scope_chunk_ret( op, scopes );

	return rs->sr_err;
}
示例#4
0
文件: slapi_ops.c 项目: dago/openldap
int
slapi_add_internal_pb( Slapi_PBlock *pb )
{
	SlapReply		*rs;
	Slapi_Entry		*entry_orig = NULL;
	OpExtraDB oex;
	int rc;

	if ( pb == NULL ) {
		return -1;
	}

	PBLOCK_ASSERT_INTOP( pb, LDAP_REQ_ADD );

	rs = pb->pb_rs;

	entry_orig = pb->pb_op->ora_e;
	pb->pb_op->ora_e = NULL;

	/*
	 * The caller can specify a new entry, or a target DN and set
	 * of modifications, but not both.
	 */
	if ( entry_orig != NULL ) {
		if ( pb->pb_op->ora_modlist != NULL || !BER_BVISNULL( &pb->pb_op->o_req_ndn )) {
			rs->sr_err = LDAP_PARAM_ERROR;
			goto cleanup;
		}

		assert( BER_BVISNULL( &pb->pb_op->o_req_dn ) ); /* shouldn't get set */
		ber_dupbv( &pb->pb_op->o_req_dn, &entry_orig->e_name );
		ber_dupbv( &pb->pb_op->o_req_ndn, &entry_orig->e_nname );
	} else if ( pb->pb_op->ora_modlist == NULL || BER_BVISNULL( &pb->pb_op->o_req_ndn )) {
		rs->sr_err = LDAP_PARAM_ERROR;
		goto cleanup;
	}

	pb->pb_op->ora_e = (Entry *)slapi_ch_calloc( 1, sizeof(Entry) );
	ber_dupbv( &pb->pb_op->ora_e->e_name,  &pb->pb_op->o_req_dn );
	ber_dupbv( &pb->pb_op->ora_e->e_nname, &pb->pb_op->o_req_ndn );

	if ( entry_orig != NULL ) {
		assert( pb->pb_op->ora_modlist == NULL );

		rs->sr_err = slap_entry2mods( entry_orig, &pb->pb_op->ora_modlist,
			&rs->sr_text, pb->pb_textbuf, sizeof( pb->pb_textbuf ) );
		if ( rs->sr_err != LDAP_SUCCESS ) {
			goto cleanup;
		}
	} else {
		assert( pb->pb_op->ora_modlist != NULL );
	}

	rs->sr_err = slap_mods_check( pb->pb_op, pb->pb_op->ora_modlist, &rs->sr_text,
		pb->pb_textbuf, sizeof( pb->pb_textbuf ), NULL );
	if ( rs->sr_err != LDAP_SUCCESS ) {
                goto cleanup;
        }

	/* Duplicate the values, because we may call slapi_entry_free() */
	rs->sr_err = slap_mods2entry( pb->pb_op->ora_modlist, &pb->pb_op->ora_e,
		1, 0, &rs->sr_text, pb->pb_textbuf, sizeof( pb->pb_textbuf ) );
	if ( rs->sr_err != LDAP_SUCCESS ) {
		goto cleanup;
	}

	oex.oe.oe_key = (void *)do_add;
	oex.oe_db = NULL;
	LDAP_SLIST_INSERT_HEAD(&pb->pb_op->o_extra, &oex.oe, oe_next);
	rc = slapi_int_func_internal_pb( pb, op_add );
	LDAP_SLIST_REMOVE(&pb->pb_op->o_extra, &oex.oe, OpExtra, oe_next);

	if ( !rc ) {
		if ( pb->pb_op->ora_e != NULL && oex.oe_db != NULL ) {
			BackendDB	*bd = pb->pb_op->o_bd;

			pb->pb_op->o_bd = oex.oe_db;
			be_entry_release_w( pb->pb_op, pb->pb_op->ora_e );
			pb->pb_op->ora_e = NULL;
			pb->pb_op->o_bd = bd;
		}
	}

cleanup:

	if ( pb->pb_op->ora_e != NULL ) {
		slapi_entry_free( pb->pb_op->ora_e );
		pb->pb_op->ora_e = NULL;
	}
	if ( entry_orig != NULL ) {
		pb->pb_op->ora_e = entry_orig;
		slap_mods_free( pb->pb_op->ora_modlist, 1 );
		pb->pb_op->ora_modlist = NULL;
	}

	return 0;
}
示例#5
0
int
mdb_referrals( Operation *op, SlapReply *rs )
{
	struct mdb_info *mdb = (struct mdb_info *) op->o_bd->be_private;
	Entry *e = NULL;
	int rc = LDAP_SUCCESS;

	MDB_txn		*rtxn;
	mdb_op_info	opinfo = {0}, *moi = &opinfo;

	if( op->o_tag == LDAP_REQ_SEARCH ) {
		/* let search take care of itself */
		return rc;
	}

	if( get_manageDSAit( op ) ) {
		/* let op take care of DSA management */
		return rc;
	} 

	rc = mdb_opinfo_get(op, mdb, 1, &moi);
	switch(rc) {
	case 0:
		break;
	default:
		return LDAP_OTHER;
	}

	rtxn = moi->moi_txn;

	/* get entry */
	rc = mdb_dn2entry( op, rtxn, &op->o_req_ndn, &e, 1 );

	switch(rc) {
	case MDB_NOTFOUND:
	case 0:
		break;
	case LDAP_BUSY:
		rs->sr_text = "ldap server busy";
		goto done;
	default:
		Debug( LDAP_DEBUG_TRACE,
			LDAP_XSTRING(mdb_referrals)
			": dn2entry failed: %s (%d)\n",
			mdb_strerror(rc), rc, 0 );
		rs->sr_text = "internal error";
		rc = LDAP_OTHER;
		goto done;
	}

	if ( rc == MDB_NOTFOUND ) {
		rc = LDAP_SUCCESS;
		rs->sr_matched = NULL;
		if ( e != NULL ) {
			Debug( LDAP_DEBUG_TRACE,
				LDAP_XSTRING(mdb_referrals)
				": tag=%lu target=\"%s\" matched=\"%s\"\n",
				(unsigned long)op->o_tag, op->o_req_dn.bv_val, e->e_name.bv_val );

			if( is_entry_referral( e ) ) {
				BerVarray ref = get_entry_referrals( op, e );
				rc = LDAP_OTHER;
				rs->sr_ref = referral_rewrite( ref, &e->e_name,
					&op->o_req_dn, LDAP_SCOPE_DEFAULT );
				ber_bvarray_free( ref );
				if ( rs->sr_ref ) {
					rs->sr_matched = ber_strdup_x(
					e->e_name.bv_val, op->o_tmpmemctx );
				}
			}

			mdb_entry_return( op, e );
			e = NULL;
		}

		if( rs->sr_ref != NULL ) {
			/* send referrals */
			rc = rs->sr_err = LDAP_REFERRAL;
			send_ldap_result( op, rs );
			ber_bvarray_free( rs->sr_ref );
			rs->sr_ref = NULL;
		} else if ( rc != LDAP_SUCCESS ) {
			rs->sr_text = rs->sr_matched ? "bad referral object" : NULL;
		}

		if (rs->sr_matched) {
			op->o_tmpfree( (char *)rs->sr_matched, op->o_tmpmemctx );
			rs->sr_matched = NULL;
		}
		goto done;
	}

	if ( is_entry_referral( e ) ) {
		/* entry is a referral */
		BerVarray refs = get_entry_referrals( op, e );
		rs->sr_ref = referral_rewrite(
			refs, &e->e_name, &op->o_req_dn, LDAP_SCOPE_DEFAULT );

		Debug( LDAP_DEBUG_TRACE,
			LDAP_XSTRING(mdb_referrals)
			": tag=%lu target=\"%s\" matched=\"%s\"\n",
			(unsigned long)op->o_tag, op->o_req_dn.bv_val, e->e_name.bv_val );

		rs->sr_matched = e->e_name.bv_val;
		if( rs->sr_ref != NULL ) {
			rc = rs->sr_err = LDAP_REFERRAL;
			send_ldap_result( op, rs );
			ber_bvarray_free( rs->sr_ref );
			rs->sr_ref = NULL;
		} else {
			rc = LDAP_OTHER;
			rs->sr_text = "bad referral object";
		}

		rs->sr_matched = NULL;
		ber_bvarray_free( refs );
	}

done:
	if ( moi == &opinfo ) {
		mdb_txn_reset( moi->moi_txn );
		LDAP_SLIST_REMOVE( &op->o_extra, &moi->moi_oe, OpExtra, oe_next );
	}
	if ( e )
		mdb_entry_return( op, e );
	return rc;
}
示例#6
0
int
mdb_modify( Operation *op, SlapReply *rs )
{
	struct mdb_info *mdb = (struct mdb_info *) op->o_bd->be_private;
	Entry		*e = NULL;
	int		manageDSAit = get_manageDSAit( op );
	char textbuf[SLAP_TEXT_BUFLEN];
	size_t textlen = sizeof textbuf;
	MDB_txn	*txn = NULL;
	mdb_op_info opinfo = {{{ 0 }}}, *moi = &opinfo;
	Entry		dummy = {0};

	LDAPControl **preread_ctrl = NULL;
	LDAPControl **postread_ctrl = NULL;
	LDAPControl *ctrls[SLAP_MAX_RESPONSE_CONTROLS];
	int num_ctrls = 0;

#ifdef LDAP_X_TXN
	int settle = 0;
#endif

	Debug( LDAP_DEBUG_ARGS, LDAP_XSTRING(mdb_modify) ": %s\n",
		op->o_req_dn.bv_val, 0, 0 );

#ifdef LDAP_X_TXN
	if( op->o_txnSpec ) {
		/* acquire connection lock */
		ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
		if( op->o_conn->c_txn == CONN_TXN_INACTIVE ) {
			rs->sr_text = "invalid transaction identifier";
			rs->sr_err = LDAP_X_TXN_ID_INVALID;
			goto txnReturn;
		} else if( op->o_conn->c_txn == CONN_TXN_SETTLE ) {
			settle=1;
			goto txnReturn;
		}

		if( op->o_conn->c_txn_backend == NULL ) {
			op->o_conn->c_txn_backend = op->o_bd;

		} else if( op->o_conn->c_txn_backend != op->o_bd ) {
			rs->sr_text = "transaction cannot span multiple database contexts";
			rs->sr_err = LDAP_AFFECTS_MULTIPLE_DSAS;
			goto txnReturn;
		}

		/* insert operation into transaction */

		rs->sr_text = "transaction specified";
		rs->sr_err = LDAP_X_TXN_SPECIFY_OKAY;

txnReturn:
		/* release connection lock */
		ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );

		if( !settle ) {
			send_ldap_result( op, rs );
			return rs->sr_err;
		}
	}
#endif

	ctrls[num_ctrls] = NULL;

	/* Don't touch the opattrs, if this is a contextCSN update
	 * initiated from updatedn */
	if ( !be_isupdate(op) || !op->orm_modlist || op->orm_modlist->sml_next ||
		 op->orm_modlist->sml_desc != slap_schema.si_ad_contextCSN ) {

		slap_mods_opattrs( op, &op->orm_modlist, 1 );
	}

	/* begin transaction */
	rs->sr_err = mdb_opinfo_get( op, mdb, 0, &moi );
	rs->sr_text = NULL;
	if( rs->sr_err != 0 ) {
		Debug( LDAP_DEBUG_TRACE,
			LDAP_XSTRING(mdb_modify) ": txn_begin failed: "
			"%s (%d)\n", mdb_strerror(rs->sr_err), rs->sr_err, 0 );
		rs->sr_err = LDAP_OTHER;
		rs->sr_text = "internal error";
		goto return_results;
	}

	txn = moi->moi_txn;

	/* get entry or ancestor */
	rs->sr_err = mdb_dn2entry( op, txn, NULL, &op->o_req_ndn, &e, 1 );

	if ( rs->sr_err != 0 ) {
		Debug( LDAP_DEBUG_TRACE,
			LDAP_XSTRING(mdb_modify) ": dn2entry failed (%d)\n",
			rs->sr_err, 0, 0 );
		switch( rs->sr_err ) {
		case MDB_NOTFOUND:
			break;
		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;
		}
	}

	/* acquire and lock entry */
	/* FIXME: dn2entry() should return non-glue entry */
	if (( rs->sr_err == MDB_NOTFOUND ) ||
		( !manageDSAit && e && is_entry_glue( e )))
	{
		if ( e != NULL ) {
			rs->sr_matched = ch_strdup( e->e_dn );
			if ( is_entry_referral( e )) {
				BerVarray ref = get_entry_referrals( op, e );
				rs->sr_ref = referral_rewrite( ref, &e->e_name,
					&op->o_req_dn, LDAP_SCOPE_DEFAULT );
				ber_bvarray_free( ref );
			} else {
				rs->sr_ref = NULL;
			}
			mdb_entry_return( op, e );
			e = NULL;

		} else {
			rs->sr_ref = referral_rewrite( default_referral, NULL,
				&op->o_req_dn, LDAP_SCOPE_DEFAULT );
		}

		rs->sr_flags = REP_MATCHED_MUSTBEFREED | REP_REF_MUSTBEFREED;
		rs->sr_err = LDAP_REFERRAL;
		send_ldap_result( op, rs );
		goto done;
	}

	if ( !manageDSAit && is_entry_referral( e ) ) {
		/* entry is a referral, don't allow modify */
		rs->sr_ref = get_entry_referrals( op, e );

		Debug( LDAP_DEBUG_TRACE,
			LDAP_XSTRING(mdb_modify) ": entry is referral\n",
			0, 0, 0 );

		rs->sr_err = LDAP_REFERRAL;
		rs->sr_matched = e->e_name.bv_val;
		rs->sr_flags = REP_REF_MUSTBEFREED;
		send_ldap_result( op, rs );
		rs->sr_matched = NULL;
		goto done;
	}

	if ( get_assert( op ) &&
		( test_filter( op, e, get_assertion( op )) != LDAP_COMPARE_TRUE ))
	{
		rs->sr_err = LDAP_ASSERTION_FAILED;
		goto return_results;
	}

	if( op->o_preread ) {
		if( preread_ctrl == NULL ) {
			preread_ctrl = &ctrls[num_ctrls++];
			ctrls[num_ctrls] = NULL;
		}
		if ( slap_read_controls( op, rs, e,
			&slap_pre_read_bv, preread_ctrl ) )
		{
			Debug( LDAP_DEBUG_TRACE,
				"<=- " LDAP_XSTRING(mdb_modify) ": 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 return_results;
			}
		}
	}

	/* Modify the entry */
	dummy = *e;
	rs->sr_err = mdb_modify_internal( op, txn, op->orm_modlist,
		&dummy, &rs->sr_text, textbuf, textlen );

	if( rs->sr_err != LDAP_SUCCESS ) {
		Debug( LDAP_DEBUG_TRACE,
			LDAP_XSTRING(mdb_modify) ": modify failed (%d)\n",
			rs->sr_err, 0, 0 );
		/* Only free attrs if they were dup'd.  */
		if ( dummy.e_attrs == e->e_attrs ) dummy.e_attrs = NULL;
		goto return_results;
	}

	/* change the entry itself */
	rs->sr_err = mdb_id2entry_update( op, txn, NULL, &dummy );
	if ( rs->sr_err != 0 ) {
		Debug( LDAP_DEBUG_TRACE,
			LDAP_XSTRING(mdb_modify) ": id2entry update failed " "(%d)\n",
			rs->sr_err, 0, 0 );
		rs->sr_text = "entry update failed";
		goto return_results;
	}

	if( op->o_postread ) {
		if( postread_ctrl == NULL ) {
			postread_ctrl = &ctrls[num_ctrls++];
			ctrls[num_ctrls] = NULL;
		}
		if( slap_read_controls( op, rs, &dummy,
			&slap_post_read_bv, postread_ctrl ) )
		{
			Debug( LDAP_DEBUG_TRACE,
				"<=- " LDAP_XSTRING(mdb_modify)
				": 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;
			}
		}
	}

	/* Only free attrs if they were dup'd.  */
	if ( dummy.e_attrs == e->e_attrs ) dummy.e_attrs = NULL;
	if( moi == &opinfo ) {
		LDAP_SLIST_REMOVE( &op->o_extra, &opinfo.moi_oe, OpExtra, oe_next );
		opinfo.moi_oe.oe_key = NULL;
		if( op->o_noop ) {
			mdb_txn_abort( txn );
			rs->sr_err = LDAP_X_NO_OPERATION;
			txn = NULL;
			goto return_results;
		} else {
			rs->sr_err = mdb_txn_commit( txn );
			txn = NULL;
		}
	}

	if( rs->sr_err != 0 ) {
		Debug( LDAP_DEBUG_TRACE,
			LDAP_XSTRING(mdb_modify) ": txn_%s failed: %s (%d)\n",
			op->o_noop ? "abort (no-op)" : "commit",
			mdb_strerror(rs->sr_err), rs->sr_err );
		rs->sr_err = LDAP_OTHER;
		rs->sr_text = "commit failed";

		goto return_results;
	}

	Debug( LDAP_DEBUG_TRACE,
		LDAP_XSTRING(mdb_modify) ": updated%s id=%08lx dn=\"%s\"\n",
		op->o_noop ? " (no-op)" : "",
		dummy.e_id, op->o_req_dn.bv_val );

	rs->sr_err = LDAP_SUCCESS;
	rs->sr_text = NULL;
	if( num_ctrls ) rs->sr_ctrls = ctrls;

return_results:
	if( dummy.e_attrs ) {
		attrs_free( dummy.e_attrs );
	}
	send_ldap_result( op, rs );

#if 0
	if( rs->sr_err == LDAP_SUCCESS && mdb->bi_txn_cp_kbyte ) {
		TXN_CHECKPOINT( mdb->bi_dbenv,
			mdb->bi_txn_cp_kbyte, mdb->bi_txn_cp_min, 0 );
	}
#endif

done:
	slap_graduate_commit_csn( op );

	if( moi == &opinfo ) {
		if( txn != NULL ) {
			mdb_txn_abort( txn );
		}
		if ( opinfo.moi_oe.oe_key ) {
			LDAP_SLIST_REMOVE( &op->o_extra, &opinfo.moi_oe, OpExtra, oe_next );
		}
	}

	if( e != NULL ) {
		mdb_entry_return( op, e );
	}

	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 );
	}

	rs->sr_text = NULL;

	return rs->sr_err;
}
示例#7
0
int
bdb_modrdn( Operation	*op, SlapReply *rs )
{
	struct bdb_info *bdb = (struct bdb_info *) op->o_bd->be_private;
	AttributeDescription *children = slap_schema.si_ad_children;
	AttributeDescription *entry = slap_schema.si_ad_entry;
	struct berval	p_dn, p_ndn;
	struct berval	new_dn = {0, NULL}, new_ndn = {0, NULL};
	Entry		*e = NULL;
	Entry		*p = NULL;
	EntryInfo	*ei = NULL, *eip = NULL, *nei = NULL, *neip = NULL;
	/* LDAP v2 supporting correct attribute handling. */
	char textbuf[SLAP_TEXT_BUFLEN];
	size_t textlen = sizeof textbuf;
	DB_TXN		*ltid = NULL, *lt2;
	struct bdb_op_info opinfo = {{{ 0 }}};
	Entry dummy = {0};

	Entry		*np = NULL;			/* newSuperior Entry */
	struct berval	*np_dn = NULL;			/* newSuperior dn */
	struct berval	*np_ndn = NULL;			/* newSuperior ndn */
	struct berval	*new_parent_dn = NULL;	/* np_dn, p_dn, or NULL */

	int		manageDSAit = get_manageDSAit( op );

	DB_LOCK		lock, plock, nplock;

	int		num_retries = 0;

	LDAPControl **preread_ctrl = NULL;
	LDAPControl **postread_ctrl = NULL;
	LDAPControl *ctrls[SLAP_MAX_RESPONSE_CONTROLS];
	int num_ctrls = 0;

	int	rc;

	int parent_is_glue = 0;
	int parent_is_leaf = 0;

#ifdef LDAP_X_TXN
	int settle = 0;
#endif

	Debug( LDAP_DEBUG_TRACE, "==>" LDAP_XSTRING(bdb_modrdn) "(%s,%s,%s)\n",
		op->o_req_dn.bv_val,op->oq_modrdn.rs_newrdn.bv_val,
		op->oq_modrdn.rs_newSup ? op->oq_modrdn.rs_newSup->bv_val : "NULL" );

#ifdef LDAP_X_TXN
	if( op->o_txnSpec ) {
		/* acquire connection lock */
		ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
		if( op->o_conn->c_txn == CONN_TXN_INACTIVE ) {
			rs->sr_text = "invalid transaction identifier";
			rs->sr_err = LDAP_X_TXN_ID_INVALID;
			goto txnReturn;
		} else if( op->o_conn->c_txn == CONN_TXN_SETTLE ) {
			settle=1;
			goto txnReturn;
		}

		if( op->o_conn->c_txn_backend == NULL ) {
			op->o_conn->c_txn_backend = op->o_bd;

		} else if( op->o_conn->c_txn_backend != op->o_bd ) {
			rs->sr_text = "transaction cannot span multiple database contexts";
			rs->sr_err = LDAP_AFFECTS_MULTIPLE_DSAS;
			goto txnReturn;
		}

		/* insert operation into transaction */

		rs->sr_text = "transaction specified";
		rs->sr_err = LDAP_X_TXN_SPECIFY_OKAY;

txnReturn:
		/* release connection lock */
		ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );

		if( !settle ) {
			send_ldap_result( op, rs );
			return rs->sr_err;
		}
	}
#endif

	ctrls[num_ctrls] = NULL;

	slap_mods_opattrs( op, &op->orr_modlist, 1 );

	if( 0 ) {
retry:	/* transaction retry */
		if ( dummy.e_attrs ) {
			attrs_free( dummy.e_attrs );
			dummy.e_attrs = NULL;
		}
		if (e != NULL) {
			bdb_unlocked_cache_return_entry_w(&bdb->bi_cache, e);
			e = NULL;
		}
		if (p != NULL) {
			bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, p);
			p = NULL;
		}
		if (np != NULL) {
			bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, np);
			np = NULL;
		}
		Debug( LDAP_DEBUG_TRACE, "==>" LDAP_XSTRING(bdb_modrdn)
				": retrying...\n", 0, 0, 0 );

		rs->sr_err = TXN_ABORT( ltid );
		ltid = NULL;
		LDAP_SLIST_REMOVE( &op->o_extra, &opinfo.boi_oe, OpExtra, oe_next );
		opinfo.boi_oe.oe_key = NULL;
		op->o_do_not_cache = opinfo.boi_acl_cache;
		if( rs->sr_err != 0 ) {
			rs->sr_err = LDAP_OTHER;
			rs->sr_text = "internal error";
			goto return_results;
		}
		if ( op->o_abandon ) {
			rs->sr_err = SLAPD_ABANDON;
			goto return_results;
		}
		parent_is_glue = 0;
		parent_is_leaf = 0;
		bdb_trans_backoff( ++num_retries );
	}

	/* begin transaction */
	rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, NULL, &ltid, 
		bdb->bi_db_opflags );
	rs->sr_text = NULL;
	if( rs->sr_err != 0 ) {
		Debug( LDAP_DEBUG_TRACE,
			LDAP_XSTRING(bdb_modrdn) ": txn_begin failed: "
			"%s (%d)\n", db_strerror(rs->sr_err), rs->sr_err, 0 );
		rs->sr_err = LDAP_OTHER;
		rs->sr_text = "internal error";
		goto return_results;
	}
	Debug( LDAP_DEBUG_TRACE, LDAP_XSTRING(bdb_modrdn) ": txn1 id: %x\n",
		ltid->id(ltid), 0, 0 );

	opinfo.boi_oe.oe_key = bdb;
	opinfo.boi_txn = ltid;
	opinfo.boi_err = 0;
	opinfo.boi_acl_cache = op->o_do_not_cache;
	LDAP_SLIST_INSERT_HEAD( &op->o_extra, &opinfo.boi_oe, oe_next );

	/* get entry */
	rs->sr_err = bdb_dn2entry( op, ltid, &op->o_req_ndn, &ei, 1,
		&lock );

	switch( rs->sr_err ) {
	case 0:
	case DB_NOTFOUND:
		break;
	case DB_LOCK_DEADLOCK:
	case DB_LOCK_NOTGRANTED:
		goto retry;
	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;
	}

	e = ei->bei_e;
	/* FIXME: dn2entry() should return non-glue entry */
	if (( rs->sr_err == DB_NOTFOUND ) ||
		( !manageDSAit && e && is_entry_glue( e )))
	{
		if( e != NULL ) {
			rs->sr_matched = ch_strdup( e->e_dn );
			rs->sr_ref = is_entry_referral( e )
				? get_entry_referrals( op, e )
				: NULL;
			bdb_unlocked_cache_return_entry_r( &bdb->bi_cache, e);
			e = NULL;

		} else {
			rs->sr_ref = referral_rewrite( default_referral, NULL,
					&op->o_req_dn, LDAP_SCOPE_DEFAULT );
		}

		rs->sr_err = LDAP_REFERRAL;
		send_ldap_result( op, rs );

		ber_bvarray_free( rs->sr_ref );
		free( (char *)rs->sr_matched );
		rs->sr_ref = NULL;
		rs->sr_matched = NULL;

		goto done;
	}

	if ( get_assert( op ) &&
		( test_filter( op, e, get_assertion( op )) != LDAP_COMPARE_TRUE ))
	{
		rs->sr_err = LDAP_ASSERTION_FAILED;
		goto return_results;
	}

	/* check write on old entry */
	rs->sr_err = access_allowed( op, e, entry, NULL, ACL_WRITE, NULL );
	if ( ! rs->sr_err ) {
		switch( opinfo.boi_err ) {
		case DB_LOCK_DEADLOCK:
		case DB_LOCK_NOTGRANTED:
			goto retry;
		}

		Debug( LDAP_DEBUG_TRACE, "no access to entry\n", 0,
			0, 0 );
		rs->sr_text = "no write access to old entry";
		rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
		goto return_results;
	}

#ifndef BDB_HIER
	rs->sr_err = bdb_cache_children( op, ltid, e );
	if ( rs->sr_err != DB_NOTFOUND ) {
		switch( rs->sr_err ) {
		case DB_LOCK_DEADLOCK:
		case DB_LOCK_NOTGRANTED:
			goto retry;
		case 0:
			Debug(LDAP_DEBUG_ARGS,
				"<=- " LDAP_XSTRING(bdb_modrdn)
				": non-leaf %s\n",
				op->o_req_dn.bv_val, 0, 0);
			rs->sr_err = LDAP_NOT_ALLOWED_ON_NONLEAF;
			rs->sr_text = "subtree rename not supported";
			break;
		default:
			Debug(LDAP_DEBUG_ARGS,
				"<=- " LDAP_XSTRING(bdb_modrdn)
				": has_children failed: %s (%d)\n",
				db_strerror(rs->sr_err), rs->sr_err, 0 );
			rs->sr_err = LDAP_OTHER;
			rs->sr_text = "internal error";
		}
		goto return_results;
	}
	ei->bei_state |= CACHE_ENTRY_NO_KIDS;
#endif

	if (!manageDSAit && is_entry_referral( e ) ) {
		/* parent is a referral, don't allow add */
		rs->sr_ref = get_entry_referrals( op, e );

		Debug( LDAP_DEBUG_TRACE, LDAP_XSTRING(bdb_modrdn)
			": entry %s is referral\n", e->e_dn, 0, 0 );

		rs->sr_err = LDAP_REFERRAL,
		rs->sr_matched = e->e_name.bv_val;
		send_ldap_result( op, rs );

		ber_bvarray_free( rs->sr_ref );
		rs->sr_ref = NULL;
		rs->sr_matched = NULL;
		goto done;
	}

	if ( be_issuffix( op->o_bd, &e->e_nname ) ) {
#ifdef BDB_MULTIPLE_SUFFIXES
		/* Allow renaming one suffix entry to another */
		p_ndn = slap_empty_bv;
#else
		/* There can only be one suffix entry */
		rs->sr_err = LDAP_NAMING_VIOLATION;
		rs->sr_text = "cannot rename suffix entry";
		goto return_results;
#endif
	} else {
		dnParent( &e->e_nname, &p_ndn );
	}
	np_ndn = &p_ndn;
	eip = ei->bei_parent;
	if ( eip && eip->bei_id ) {
		/* Make sure parent entry exist and we can write its 
		 * children.
		 */
		rs->sr_err = bdb_cache_find_id( op, ltid,
			eip->bei_id, &eip, 0, &plock );

		switch( rs->sr_err ) {
		case 0:
		case DB_NOTFOUND:
			break;
		case DB_LOCK_DEADLOCK:
		case DB_LOCK_NOTGRANTED:
			goto retry;
		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;
		}

		p = eip->bei_e;
		if( p == NULL) {
			Debug( LDAP_DEBUG_TRACE, LDAP_XSTRING(bdb_modrdn)
				": parent does not exist\n", 0, 0, 0);
			rs->sr_err = LDAP_OTHER;
			rs->sr_text = "old entry's parent does not exist";
			goto return_results;
		}
	} else {
		p = (Entry *)&slap_entry_root;
	}

	/* check parent for "children" acl */
	rs->sr_err = access_allowed( op, p,
		children, NULL,
		op->oq_modrdn.rs_newSup == NULL ?
			ACL_WRITE : ACL_WDEL,
		NULL );

	if ( !p_ndn.bv_len )
		p = NULL;

	if ( ! rs->sr_err ) {
		switch( opinfo.boi_err ) {
		case DB_LOCK_DEADLOCK:
		case DB_LOCK_NOTGRANTED:
			goto retry;
		}

		rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
		Debug( LDAP_DEBUG_TRACE, "no access to parent\n", 0,
			0, 0 );
		rs->sr_text = "no write access to old parent's children";
		goto return_results;
	}

	Debug( LDAP_DEBUG_TRACE,
		LDAP_XSTRING(bdb_modrdn) ": wr to children "
		"of entry %s OK\n", p_ndn.bv_val, 0, 0 );
	
	if ( p_ndn.bv_val == slap_empty_bv.bv_val ) {
		p_dn = slap_empty_bv;
	} else {
		dnParent( &e->e_name, &p_dn );
	}

	Debug( LDAP_DEBUG_TRACE,
		LDAP_XSTRING(bdb_modrdn) ": parent dn=%s\n",
		p_dn.bv_val, 0, 0 );

	new_parent_dn = &p_dn;	/* New Parent unless newSuperior given */

	if ( op->oq_modrdn.rs_newSup != NULL ) {
		Debug( LDAP_DEBUG_TRACE, 
			LDAP_XSTRING(bdb_modrdn)
			": new parent \"%s\" requested...\n",
			op->oq_modrdn.rs_newSup->bv_val, 0, 0 );

		/*  newSuperior == oldParent? */
		if( dn_match( &p_ndn, op->oq_modrdn.rs_nnewSup ) ) {
			Debug( LDAP_DEBUG_TRACE, "bdb_back_modrdn: "
				"new parent \"%s\" same as the old parent \"%s\"\n",
				op->oq_modrdn.rs_newSup->bv_val, p_dn.bv_val, 0 );
			op->oq_modrdn.rs_newSup = NULL; /* ignore newSuperior */
		}
	}

	/* There's a BDB_MULTIPLE_SUFFIXES case here that this code doesn't
	 * support. E.g., two suffixes dc=foo,dc=com and dc=bar,dc=net.
	 * We do not allow modDN
	 *   dc=foo,dc=com
	 *    newrdn dc=bar
	 *    newsup dc=net
	 * and we probably should. But since MULTIPLE_SUFFIXES is deprecated
	 * I'm ignoring this problem for now.
	 */
	if ( op->oq_modrdn.rs_newSup != NULL ) {
		if ( op->oq_modrdn.rs_newSup->bv_len ) {
			np_dn = op->oq_modrdn.rs_newSup;
			np_ndn = op->oq_modrdn.rs_nnewSup;

			/* newSuperior == oldParent? - checked above */
			/* newSuperior == entry being moved?, if so ==> ERROR */
			if ( dnIsSuffix( np_ndn, &e->e_nname )) {
				rs->sr_err = LDAP_NO_SUCH_OBJECT;
				rs->sr_text = "new superior not found";
				goto return_results;
			}
			/* Get Entry with dn=newSuperior. Does newSuperior exist? */

			rs->sr_err = bdb_dn2entry( op, ltid, np_ndn,
				&neip, 0, &nplock );

			switch( rs->sr_err ) {
			case 0: np = neip->bei_e;
			case DB_NOTFOUND:
				break;
			case DB_LOCK_DEADLOCK:
			case DB_LOCK_NOTGRANTED:
				goto retry;
			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( np == NULL) {
				Debug( LDAP_DEBUG_TRACE,
					LDAP_XSTRING(bdb_modrdn)
					": newSup(ndn=%s) not here!\n",
					np_ndn->bv_val, 0, 0);
				rs->sr_text = "new superior not found";
				rs->sr_err = LDAP_NO_SUCH_OBJECT;
				goto return_results;
			}

			Debug( LDAP_DEBUG_TRACE,
				LDAP_XSTRING(bdb_modrdn)
				": wr to new parent OK np=%p, id=%ld\n",
				(void *) np, (long) np->e_id, 0 );

			/* check newSuperior for "children" acl */
			rs->sr_err = access_allowed( op, np, children,
				NULL, ACL_WADD, NULL );

			if( ! rs->sr_err ) {
				switch( opinfo.boi_err ) {
				case DB_LOCK_DEADLOCK:
				case DB_LOCK_NOTGRANTED:
					goto retry;
				}

				Debug( LDAP_DEBUG_TRACE,
					LDAP_XSTRING(bdb_modrdn)
					": no wr to newSup children\n",
					0, 0, 0 );
				rs->sr_text = "no write access to new superior's children";
				rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
				goto return_results;
			}

			if ( is_entry_alias( np ) ) {
				/* parent is an alias, don't allow add */
				Debug( LDAP_DEBUG_TRACE,
					LDAP_XSTRING(bdb_modrdn)
					": entry is alias\n",
					0, 0, 0 );
				rs->sr_text = "new superior is an alias";
				rs->sr_err = LDAP_ALIAS_PROBLEM;
				goto return_results;
			}

			if ( is_entry_referral( np ) ) {
				/* parent is a referral, don't allow add */
				Debug( LDAP_DEBUG_TRACE,
					LDAP_XSTRING(bdb_modrdn)
					": entry is referral\n",
					0, 0, 0 );
				rs->sr_text = "new superior is a referral";
				rs->sr_err = LDAP_OTHER;
				goto return_results;
			}

		} else {
			np_dn = NULL;

			/* no parent, modrdn entry directly under root */
			if ( be_issuffix( op->o_bd, (struct berval *)&slap_empty_bv )
				|| be_isupdate( op ) ) {
				np = (Entry *)&slap_entry_root;

				/* check parent for "children" acl */
				rs->sr_err = access_allowed( op, np,
					children, NULL, ACL_WADD, NULL );

				np = NULL;

				if ( ! rs->sr_err ) {
					switch( opinfo.boi_err ) {
					case DB_LOCK_DEADLOCK:
					case DB_LOCK_NOTGRANTED:
						goto retry;
					}

					rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
					Debug( LDAP_DEBUG_TRACE, 
						"no access to new superior\n", 
						0, 0, 0 );
					rs->sr_text =
						"no write access to new superior's children";
					goto return_results;
				}
			}
		}

		Debug( LDAP_DEBUG_TRACE,
			LDAP_XSTRING(bdb_modrdn)
			": wr to new parent's children OK\n",
			0, 0, 0 );

		new_parent_dn = np_dn;
	}

	/* Build target dn and make sure target entry doesn't exist already. */
	if (!new_dn.bv_val) {
		build_new_dn( &new_dn, new_parent_dn, &op->oq_modrdn.rs_newrdn, NULL ); 
	}

	if (!new_ndn.bv_val) {
		struct berval bv = {0, NULL};
		dnNormalize( 0, NULL, NULL, &new_dn, &bv, op->o_tmpmemctx );
		ber_dupbv( &new_ndn, &bv );
		/* FIXME: why not call dnNormalize() w/o ctx? */
		op->o_tmpfree( bv.bv_val, op->o_tmpmemctx );
	}

	Debug( LDAP_DEBUG_TRACE, LDAP_XSTRING(bdb_modrdn) ": new ndn=%s\n",
		new_ndn.bv_val, 0, 0 );

	/* Shortcut the search */
	nei = neip ? neip : eip;
	rs->sr_err = bdb_cache_find_ndn ( op, ltid, &new_ndn, &nei );
	if ( nei ) bdb_cache_entryinfo_unlock( nei );
	switch( rs->sr_err ) {
	case DB_LOCK_DEADLOCK:
	case DB_LOCK_NOTGRANTED:
		goto retry;
	case DB_NOTFOUND:
		break;
	case 0:
		/* Allow rename to same DN */
		if ( nei == ei )
			break;
		rs->sr_err = LDAP_ALREADY_EXISTS;
		goto return_results;
	default:
		rs->sr_err = LDAP_OTHER;
		rs->sr_text = "internal error";
		goto return_results;
	}

	assert( op->orr_modlist != NULL );

	if( op->o_preread ) {
		if( preread_ctrl == NULL ) {
			preread_ctrl = &ctrls[num_ctrls++];
			ctrls[num_ctrls] = NULL;
		}
		if( slap_read_controls( op, rs, e,
			&slap_pre_read_bv, preread_ctrl ) )
		{
			Debug( LDAP_DEBUG_TRACE,        
				"<=- " LDAP_XSTRING(bdb_modrdn)
				": 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 return_results;
			}
		}                   
	}

	/* nested transaction */
	rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, ltid, &lt2, bdb->bi_db_opflags );
	rs->sr_text = NULL;
	if( rs->sr_err != 0 ) {
		Debug( LDAP_DEBUG_TRACE,
			LDAP_XSTRING(bdb_modrdn)
			": txn_begin(2) failed: %s (%d)\n",
			db_strerror(rs->sr_err), rs->sr_err, 0 );
		rs->sr_err = LDAP_OTHER;
		rs->sr_text = "internal error";
		goto return_results;
	}
	Debug( LDAP_DEBUG_TRACE, LDAP_XSTRING(bdb_modrdn) ": txn2 id: %x\n",
		lt2->id(lt2), 0, 0 );

	/* delete old DN */
	rs->sr_err = bdb_dn2id_delete( op, lt2, eip, e );
	if ( rs->sr_err != 0 ) {
		Debug(LDAP_DEBUG_TRACE,
			"<=- " LDAP_XSTRING(bdb_modrdn)
			": dn2id del failed: %s (%d)\n",
			db_strerror(rs->sr_err), rs->sr_err, 0 );
		switch( rs->sr_err ) {
		case DB_LOCK_DEADLOCK:
		case DB_LOCK_NOTGRANTED:
			goto retry;
		}
		rs->sr_err = LDAP_OTHER;
		rs->sr_text = "DN index delete fail";
		goto return_results;
	}

	/* copy the entry, then override some fields */
	dummy = *e;
	dummy.e_name = new_dn;
	dummy.e_nname = new_ndn;
	dummy.e_attrs = NULL;

	/* add new DN */
	rs->sr_err = bdb_dn2id_add( op, lt2, neip ? neip : eip, &dummy );
	if ( rs->sr_err != 0 ) {
		Debug(LDAP_DEBUG_TRACE,
			"<=- " LDAP_XSTRING(bdb_modrdn)
			": dn2id add failed: %s (%d)\n",
			db_strerror(rs->sr_err), rs->sr_err, 0 );
		switch( rs->sr_err ) {
		case DB_LOCK_DEADLOCK:
		case DB_LOCK_NOTGRANTED:
			goto retry;
		}
		rs->sr_err = LDAP_OTHER;
		rs->sr_text = "DN index add failed";
		goto return_results;
	}

	dummy.e_attrs = e->e_attrs;

	/* modify entry */
	rs->sr_err = bdb_modify_internal( op, lt2, op->orr_modlist, &dummy,
		&rs->sr_text, textbuf, textlen );
	if( rs->sr_err != LDAP_SUCCESS ) {
		Debug(LDAP_DEBUG_TRACE,
			"<=- " LDAP_XSTRING(bdb_modrdn)
			": modify failed: %s (%d)\n",
			db_strerror(rs->sr_err), rs->sr_err, 0 );
		if ( ( rs->sr_err == LDAP_INSUFFICIENT_ACCESS ) && opinfo.boi_err ) {
			rs->sr_err = opinfo.boi_err;
		}
		if ( dummy.e_attrs == e->e_attrs ) dummy.e_attrs = NULL;
		switch( rs->sr_err ) {
		case DB_LOCK_DEADLOCK:
		case DB_LOCK_NOTGRANTED:
			goto retry;
		}
		goto return_results;
	}

	/* id2entry index */
	rs->sr_err = bdb_id2entry_update( op->o_bd, lt2, &dummy );
	if ( rs->sr_err != 0 ) {
		Debug(LDAP_DEBUG_TRACE,
			"<=- " LDAP_XSTRING(bdb_modrdn)
			": id2entry failed: %s (%d)\n",
			db_strerror(rs->sr_err), rs->sr_err, 0 );
		switch( rs->sr_err ) {
		case DB_LOCK_DEADLOCK:
		case DB_LOCK_NOTGRANTED:
			goto retry;
		}
		rs->sr_err = LDAP_OTHER;
		rs->sr_text = "entry update failed";
		goto return_results;
	}

	if ( p_ndn.bv_len != 0 ) {
		parent_is_glue = is_entry_glue(p);
		rs->sr_err = bdb_cache_children( op, lt2, p );
		if ( rs->sr_err != DB_NOTFOUND ) {
			switch( rs->sr_err ) {
			case DB_LOCK_DEADLOCK:
			case DB_LOCK_NOTGRANTED:
				goto retry;
			case 0:
				break;
			default:
				Debug(LDAP_DEBUG_ARGS,
					"<=- " LDAP_XSTRING(bdb_modrdn)
					": has_children failed: %s (%d)\n",
					db_strerror(rs->sr_err), rs->sr_err, 0 );
				rs->sr_err = LDAP_OTHER;
				rs->sr_text = "internal error";
				goto return_results;
			}
			parent_is_leaf = 1;
		}
		bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, p);
		p = NULL;
	}

	if ( TXN_COMMIT( lt2, 0 ) != 0 ) {
		rs->sr_err = LDAP_OTHER;
		rs->sr_text = "txn_commit(2) failed";
		goto return_results;
	}

	if( op->o_postread ) {
		if( postread_ctrl == NULL ) {
			postread_ctrl = &ctrls[num_ctrls++];
			ctrls[num_ctrls] = NULL;
		}
		if( slap_read_controls( op, rs, &dummy,
			&slap_post_read_bv, postread_ctrl ) )
		{
			Debug( LDAP_DEBUG_TRACE,        
				"<=- " LDAP_XSTRING(bdb_modrdn)
				": 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=TXN_ABORT( ltid )) != 0 ) {
			rs->sr_text = "txn_abort (no-op) failed";
		} else {
			rs->sr_err = LDAP_X_NO_OPERATION;
			ltid = NULL;
			/* Only free attrs if they were dup'd.  */
			if ( dummy.e_attrs == e->e_attrs ) dummy.e_attrs = NULL;
			goto return_results;
		}

	} else {
		rc = bdb_cache_modrdn( bdb, e, &op->orr_nnewrdn, &dummy, neip,
			ltid, &lock );
		switch( rc ) {
		case DB_LOCK_DEADLOCK:
		case DB_LOCK_NOTGRANTED:
			goto retry;
		}
		dummy.e_attrs = NULL;
		new_dn.bv_val = NULL;
		new_ndn.bv_val = NULL;

		if(( rs->sr_err=TXN_COMMIT( ltid, 0 )) != 0 ) {
			rs->sr_text = "txn_commit failed";
		} else {
			rs->sr_err = LDAP_SUCCESS;
		}
	}
 
	ltid = NULL;
	LDAP_SLIST_REMOVE( &op->o_extra, &opinfo.boi_oe, OpExtra, oe_next );
	opinfo.boi_oe.oe_key = NULL;
 
	if( rs->sr_err != LDAP_SUCCESS ) {
		Debug( LDAP_DEBUG_TRACE,
			LDAP_XSTRING(bdb_modrdn) ": %s : %s (%d)\n",
			rs->sr_text, db_strerror(rs->sr_err), rs->sr_err );
		rs->sr_err = LDAP_OTHER;

		goto return_results;
	}

	Debug(LDAP_DEBUG_TRACE,
		LDAP_XSTRING(bdb_modrdn)
		": rdn modified%s id=%08lx dn=\"%s\"\n",
		op->o_noop ? " (no-op)" : "",
		dummy.e_id, op->o_req_dn.bv_val );
	rs->sr_text = NULL;
	if( num_ctrls ) rs->sr_ctrls = ctrls;

return_results:
	if ( dummy.e_attrs ) {
		attrs_free( dummy.e_attrs );
	}
	send_ldap_result( op, rs );

	if( rs->sr_err == LDAP_SUCCESS && bdb->bi_txn_cp_kbyte ) {
		TXN_CHECKPOINT( bdb->bi_dbenv,
			bdb->bi_txn_cp_kbyte, bdb->bi_txn_cp_min, 0 );
	}
	
	if ( rs->sr_err == LDAP_SUCCESS && parent_is_glue && parent_is_leaf ) {
		op->o_delete_glue_parent = 1;
	}

done:
	slap_graduate_commit_csn( op );

	if( new_dn.bv_val != NULL ) free( new_dn.bv_val );
	if( new_ndn.bv_val != NULL ) free( new_ndn.bv_val );

	/* LDAP v3 Support */
	if( np != NULL ) {
		/* free new parent and reader lock */
		bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, np);
	}

	if( p != NULL ) {
		/* free parent and reader lock */
		bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, p);
	}

	/* free entry */
	if( e != NULL ) {
		bdb_unlocked_cache_return_entry_w( &bdb->bi_cache, e);
	}

	if( ltid != NULL ) {
		TXN_ABORT( ltid );
	}
	if ( opinfo.boi_oe.oe_key ) {
		LDAP_SLIST_REMOVE( &op->o_extra, &opinfo.boi_oe, OpExtra, oe_next );
	}

	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;
}
示例#8
0
文件: delete.c 项目: Joywar/openldap
int
bdb_delete( Operation *op, SlapReply *rs )
{
	struct bdb_info *bdb = (struct bdb_info *) op->o_bd->be_private;
	Entry	*matched = NULL;
	struct berval	pdn = {0, NULL};
	Entry	*e = NULL;
	Entry	*p = NULL;
	EntryInfo	*ei = NULL, *eip = NULL;
	int		manageDSAit = get_manageDSAit( op );
	AttributeDescription *children = slap_schema.si_ad_children;
	AttributeDescription *entry = slap_schema.si_ad_entry;
	DB_TXN		*ltid = NULL, *lt2;
	struct bdb_op_info opinfo = {{{ 0 }}};
	ID	eid;

	DB_LOCK		lock, plock;

	int		num_retries = 0;

	int     rc;

	LDAPControl **preread_ctrl = NULL;
	LDAPControl *ctrls[SLAP_MAX_RESPONSE_CONTROLS];
	int num_ctrls = 0;

	int	parent_is_glue = 0;
	int parent_is_leaf = 0;

#ifdef LDAP_X_TXN
	int settle = 0;
#endif

	Debug( LDAP_DEBUG_ARGS, "==> " LDAP_XSTRING(bdb_delete) ": %s\n",
		op->o_req_dn.bv_val, 0, 0 );

#ifdef LDAP_X_TXN
	if( op->o_txnSpec ) {
		/* acquire connection lock */
		ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
		if( op->o_conn->c_txn == CONN_TXN_INACTIVE ) {
			rs->sr_text = "invalid transaction identifier";
			rs->sr_err = LDAP_X_TXN_ID_INVALID;
			goto txnReturn;
		} else if( op->o_conn->c_txn == CONN_TXN_SETTLE ) {
			settle=1;
			goto txnReturn;
		}

		if( op->o_conn->c_txn_backend == NULL ) {
			op->o_conn->c_txn_backend = op->o_bd;

		} else if( op->o_conn->c_txn_backend != op->o_bd ) {
			rs->sr_text = "transaction cannot span multiple database contexts";
			rs->sr_err = LDAP_AFFECTS_MULTIPLE_DSAS;
			goto txnReturn;
		}

		/* insert operation into transaction */

		rs->sr_text = "transaction specified";
		rs->sr_err = LDAP_X_TXN_SPECIFY_OKAY;

txnReturn:
		/* release connection lock */
		ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );

		if( !settle ) {
			send_ldap_result( op, rs );
			return rs->sr_err;
		}
	}
#endif

	ctrls[num_ctrls] = 0;

	/* allocate CSN */
	if ( BER_BVISNULL( &op->o_csn ) ) {
		struct berval csn;
		char csnbuf[LDAP_PVT_CSNSTR_BUFSIZE];

		csn.bv_val = csnbuf;
		csn.bv_len = sizeof(csnbuf);
		slap_get_csn( op, &csn, 1 );
	}

	if( 0 ) {
retry:	/* transaction retry */
		if( e != NULL ) {
			bdb_unlocked_cache_return_entry_w(&bdb->bi_cache, e);
			e = NULL;
		}
		if( p != NULL ) {
			bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, p);
			p = NULL;
		}
		Debug( LDAP_DEBUG_TRACE,
			"==> " LDAP_XSTRING(bdb_delete) ": retrying...\n",
			0, 0, 0 );
		rs->sr_err = TXN_ABORT( ltid );
		ltid = NULL;
		LDAP_SLIST_REMOVE( &op->o_extra, &opinfo.boi_oe, OpExtra, oe_next );
		opinfo.boi_oe.oe_key = NULL;
		op->o_do_not_cache = opinfo.boi_acl_cache;
		if( rs->sr_err != 0 ) {
			rs->sr_err = LDAP_OTHER;
			rs->sr_text = "internal error";
			goto return_results;
		}
		if ( op->o_abandon ) {
			rs->sr_err = SLAPD_ABANDON;
			goto return_results;
		}
		parent_is_glue = 0;
		parent_is_leaf = 0;
		bdb_trans_backoff( ++num_retries );
	}

	/* begin transaction */
	rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, NULL, &ltid, 
		bdb->bi_db_opflags );
	rs->sr_text = NULL;
	if( rs->sr_err != 0 ) {
		Debug( LDAP_DEBUG_TRACE,
			LDAP_XSTRING(bdb_delete) ": txn_begin failed: "
			"%s (%d)\n", db_strerror(rs->sr_err), rs->sr_err, 0 );
		rs->sr_err = LDAP_OTHER;
		rs->sr_text = "internal error";
		goto return_results;
	}

	opinfo.boi_oe.oe_key = bdb;
	opinfo.boi_txn = ltid;
	opinfo.boi_err = 0;
	opinfo.boi_acl_cache = op->o_do_not_cache;
	LDAP_SLIST_INSERT_HEAD( &op->o_extra, &opinfo.boi_oe, oe_next );

	if ( !be_issuffix( op->o_bd, &op->o_req_ndn ) ) {
		dnParent( &op->o_req_ndn, &pdn );
	}

	/* get entry */
	rs->sr_err = bdb_dn2entry( op, ltid, &op->o_req_ndn, &ei, 1,
		&lock );

	switch( rs->sr_err ) {
	case 0:
	case DB_NOTFOUND:
		break;
	case DB_LOCK_DEADLOCK:
	case DB_LOCK_NOTGRANTED:
		goto retry;
	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 ( rs->sr_err == 0 ) {
		e = ei->bei_e;
		eip = ei->bei_parent;
	} else {
		matched = ei->bei_e;
	}

	/* FIXME : dn2entry() should return non-glue entry */
	if ( e == NULL || ( !manageDSAit && is_entry_glue( e ))) {
		Debug( LDAP_DEBUG_ARGS,
			"<=- " LDAP_XSTRING(bdb_delete) ": no such object %s\n",
			op->o_req_dn.bv_val, 0, 0);

		if ( matched != NULL ) {
			rs->sr_matched = ch_strdup( matched->e_dn );
			rs->sr_ref = is_entry_referral( matched )
				? get_entry_referrals( op, matched )
				: NULL;
			bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, matched);
			matched = NULL;

		} else {
			rs->sr_ref = referral_rewrite( default_referral, NULL,
					&op->o_req_dn, LDAP_SCOPE_DEFAULT );
		}

		rs->sr_err = LDAP_REFERRAL;
		rs->sr_flags = REP_MATCHED_MUSTBEFREED | REP_REF_MUSTBEFREED;
		goto return_results;
	}

	rc = bdb_cache_find_id( op, ltid, eip->bei_id, &eip, 0, &plock );
	switch( rc ) {
	case DB_LOCK_DEADLOCK:
	case DB_LOCK_NOTGRANTED:
		goto retry;
	case 0:
	case DB_NOTFOUND:
		break;
	default:
		rs->sr_err = LDAP_OTHER;
		rs->sr_text = "internal error";
		goto return_results;
	}
	if ( eip ) p = eip->bei_e;

	if ( pdn.bv_len != 0 ) {
		if( p == NULL || !bvmatch( &pdn, &p->e_nname )) {
			Debug( LDAP_DEBUG_TRACE,
				"<=- " LDAP_XSTRING(bdb_delete) ": parent "
				"does not exist\n", 0, 0, 0 );
			rs->sr_err = LDAP_OTHER;
			rs->sr_text = "could not locate parent of entry";
			goto return_results;
		}

		/* check parent for "children" acl */
		rs->sr_err = access_allowed( op, p,
			children, NULL, ACL_WDEL, NULL );

		if ( !rs->sr_err  ) {
			switch( opinfo.boi_err ) {
			case DB_LOCK_DEADLOCK:
			case DB_LOCK_NOTGRANTED:
				goto retry;
			}

			Debug( LDAP_DEBUG_TRACE,
				"<=- " LDAP_XSTRING(bdb_delete) ": 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;
		}

	} else {
		/* no parent, must be root to delete */
		if( ! be_isroot( op ) ) {
			if ( be_issuffix( op->o_bd, (struct berval *)&slap_empty_bv )
				|| be_shadow_update( op ) ) {
				p = (Entry *)&slap_entry_root;

				/* check parent for "children" acl */
				rs->sr_err = access_allowed( op, p,
					children, NULL, ACL_WDEL, NULL );

				p = NULL;

				if ( !rs->sr_err  ) {
					switch( opinfo.boi_err ) {
					case DB_LOCK_DEADLOCK:
					case DB_LOCK_NOTGRANTED:
						goto retry;
					}

					Debug( LDAP_DEBUG_TRACE,
						"<=- " LDAP_XSTRING(bdb_delete)
						": no access to parent\n",
						0, 0, 0 );
					rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
					rs->sr_text = "no write access to parent";
					goto return_results;
				}

			} else {
				Debug( LDAP_DEBUG_TRACE,
					"<=- " LDAP_XSTRING(bdb_delete)
					": no parent and not root\n", 0, 0, 0 );
				rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
				goto return_results;
			}
		}
	}

	if ( get_assert( op ) &&
		( test_filter( op, e, get_assertion( op )) != LDAP_COMPARE_TRUE ))
	{
		rs->sr_err = LDAP_ASSERTION_FAILED;
		goto return_results;
	}

	rs->sr_err = access_allowed( op, e,
		entry, NULL, ACL_WDEL, NULL );

	if ( !rs->sr_err  ) {
		switch( opinfo.boi_err ) {
		case DB_LOCK_DEADLOCK:
		case DB_LOCK_NOTGRANTED:
			goto retry;
		}

		Debug( LDAP_DEBUG_TRACE,
			"<=- " LDAP_XSTRING(bdb_delete) ": 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;
	}

	if ( !manageDSAit && is_entry_referral( e ) ) {
		/* entry is a referral, don't allow delete */
		rs->sr_ref = get_entry_referrals( op, e );

		Debug( LDAP_DEBUG_TRACE,
			LDAP_XSTRING(bdb_delete) ": entry is referral\n",
			0, 0, 0 );

		rs->sr_err = LDAP_REFERRAL;
		rs->sr_matched = ch_strdup( e->e_name.bv_val );
		rs->sr_flags = REP_MATCHED_MUSTBEFREED | REP_REF_MUSTBEFREED;
		goto return_results;
	}

	/* pre-read */
	if( op->o_preread ) {
		if( preread_ctrl == NULL ) {
			preread_ctrl = &ctrls[num_ctrls++];
			ctrls[num_ctrls] = NULL;
		}
		if( slap_read_controls( op, rs, e,
			&slap_pre_read_bv, preread_ctrl ) )
		{
			Debug( LDAP_DEBUG_TRACE,
				"<=- " LDAP_XSTRING(bdb_delete) ": 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 return_results;
			}
		}
	}

	/* nested transaction */
	rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, ltid, &lt2, 
		bdb->bi_db_opflags );
	rs->sr_text = NULL;
	if( rs->sr_err != 0 ) {
		Debug( LDAP_DEBUG_TRACE,
			LDAP_XSTRING(bdb_delete) ": txn_begin(2) failed: "
			"%s (%d)\n", db_strerror(rs->sr_err), rs->sr_err, 0 );
		rs->sr_err = LDAP_OTHER;
		rs->sr_text = "internal error";
		goto return_results;
	}

	BDB_LOG_PRINTF( bdb->bi_dbenv, lt2, "slapd Starting delete %s(%d)",
		e->e_nname.bv_val, e->e_id );

	/* Can't do it if we have kids */
	rs->sr_err = bdb_cache_children( op, lt2, e );
	if( rs->sr_err != DB_NOTFOUND ) {
		switch( rs->sr_err ) {
		case DB_LOCK_DEADLOCK:
		case DB_LOCK_NOTGRANTED:
			goto retry;
		case 0:
			Debug(LDAP_DEBUG_ARGS,
				"<=- " LDAP_XSTRING(bdb_delete)
				": non-leaf %s\n",
				op->o_req_dn.bv_val, 0, 0);
			rs->sr_err = LDAP_NOT_ALLOWED_ON_NONLEAF;
			rs->sr_text = "subordinate objects must be deleted first";
			break;
		default:
			Debug(LDAP_DEBUG_ARGS,
				"<=- " LDAP_XSTRING(bdb_delete)
				": has_children failed: %s (%d)\n",
				db_strerror(rs->sr_err), rs->sr_err, 0 );
			rs->sr_err = LDAP_OTHER;
			rs->sr_text = "internal error";
		}
		goto return_results;
	}

	/* delete from dn2id */
	rs->sr_err = bdb_dn2id_delete( op, lt2, eip, e );
	if ( rs->sr_err != 0 ) {
		Debug(LDAP_DEBUG_TRACE,
			"<=- " LDAP_XSTRING(bdb_delete) ": dn2id failed: "
			"%s (%d)\n", db_strerror(rs->sr_err), rs->sr_err, 0 );
		switch( rs->sr_err ) {
		case DB_LOCK_DEADLOCK:
		case DB_LOCK_NOTGRANTED:
			goto retry;
		}
		rs->sr_text = "DN index delete failed";
		rs->sr_err = LDAP_OTHER;
		goto return_results;
	}

	/* delete indices for old attributes */
	rs->sr_err = bdb_index_entry_del( op, lt2, e );
	if ( rs->sr_err != LDAP_SUCCESS ) {
		Debug(LDAP_DEBUG_TRACE,
			"<=- " LDAP_XSTRING(bdb_delete) ": index failed: "
			"%s (%d)\n", db_strerror(rs->sr_err), rs->sr_err, 0 );
		switch( rs->sr_err ) {
		case DB_LOCK_DEADLOCK:
		case DB_LOCK_NOTGRANTED:
			goto retry;
		}
		rs->sr_text = "entry index delete failed";
		rs->sr_err = LDAP_OTHER;
		goto return_results;
	}

	/* fixup delete CSN */
	if ( !SLAP_SHADOW( op->o_bd )) {
		struct berval vals[2];

		assert( !BER_BVISNULL( &op->o_csn ) );
		vals[0] = op->o_csn;
		BER_BVZERO( &vals[1] );
		rs->sr_err = bdb_index_values( op, lt2, slap_schema.si_ad_entryCSN,
			vals, 0, SLAP_INDEX_ADD_OP );
	if ( rs->sr_err != LDAP_SUCCESS ) {
			switch( rs->sr_err ) {
			case DB_LOCK_DEADLOCK:
			case DB_LOCK_NOTGRANTED:
				goto retry;
			}
			rs->sr_text = "entryCSN index update failed";
			rs->sr_err = LDAP_OTHER;
			goto return_results;
		}
	}

	/* delete from id2entry */
	rs->sr_err = bdb_id2entry_delete( op->o_bd, lt2, e );
	if ( rs->sr_err != 0 ) {
		Debug( LDAP_DEBUG_TRACE,
			"<=- " LDAP_XSTRING(bdb_delete) ": id2entry failed: "
			"%s (%d)\n", db_strerror(rs->sr_err), rs->sr_err, 0 );
		switch( rs->sr_err ) {
		case DB_LOCK_DEADLOCK:
		case DB_LOCK_NOTGRANTED:
			goto retry;
		}
		rs->sr_text = "entry delete failed";
		rs->sr_err = LDAP_OTHER;
		goto return_results;
	}

	if ( pdn.bv_len != 0 ) {
		parent_is_glue = is_entry_glue(p);
		rs->sr_err = bdb_cache_children( op, lt2, p );
		if ( rs->sr_err != DB_NOTFOUND ) {
			switch( rs->sr_err ) {
			case DB_LOCK_DEADLOCK:
			case DB_LOCK_NOTGRANTED:
				goto retry;
			case 0:
				break;
			default:
				Debug(LDAP_DEBUG_ARGS,
					"<=- " LDAP_XSTRING(bdb_delete)
					": has_children failed: %s (%d)\n",
					db_strerror(rs->sr_err), rs->sr_err, 0 );
				rs->sr_err = LDAP_OTHER;
				rs->sr_text = "internal error";
				goto return_results;
			}
			parent_is_leaf = 1;
		}
		bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, p);
		p = NULL;
	}

	BDB_LOG_PRINTF( bdb->bi_dbenv, lt2, "slapd Commit1 delete %s(%d)",
		e->e_nname.bv_val, e->e_id );

	if ( TXN_COMMIT( lt2, 0 ) != 0 ) {
		rs->sr_err = LDAP_OTHER;
		rs->sr_text = "txn_commit(2) failed";
		goto return_results;
	}

	eid = e->e_id;

#if 0	/* Do we want to reclaim deleted IDs? */
	ldap_pvt_thread_mutex_lock( &bdb->bi_lastid_mutex );
	if ( e->e_id == bdb->bi_lastid ) {
		bdb_last_id( op->o_bd, ltid );
	}
	ldap_pvt_thread_mutex_unlock( &bdb->bi_lastid_mutex );
#endif

	if( op->o_noop ) {
		if ( ( rs->sr_err = TXN_ABORT( ltid ) ) != 0 ) {
			rs->sr_text = "txn_abort (no-op) failed";
		} else {
			rs->sr_err = LDAP_X_NO_OPERATION;
			ltid = NULL;
			goto return_results;
		}
	} else {

		BDB_LOG_PRINTF( bdb->bi_dbenv, ltid, "slapd Cache delete %s(%d)",
			e->e_nname.bv_val, e->e_id );

		rc = bdb_cache_delete( bdb, e, ltid, &lock );
		switch( rc ) {
		case DB_LOCK_DEADLOCK:
		case DB_LOCK_NOTGRANTED:
			goto retry;
		}

		rs->sr_err = TXN_COMMIT( ltid, 0 );
	}
	ltid = NULL;
	LDAP_SLIST_REMOVE( &op->o_extra, &opinfo.boi_oe, OpExtra, oe_next );
	opinfo.boi_oe.oe_key = NULL;

	BDB_LOG_PRINTF( bdb->bi_dbenv, NULL, "slapd Committed delete %s(%d)",
		e->e_nname.bv_val, e->e_id );

	if( rs->sr_err != 0 ) {
		Debug( LDAP_DEBUG_TRACE,
			LDAP_XSTRING(bdb_delete) ": txn_%s failed: %s (%d)\n",
			op->o_noop ? "abort (no-op)" : "commit",
			db_strerror(rs->sr_err), rs->sr_err );
		rs->sr_err = LDAP_OTHER;
		rs->sr_text = "commit failed";

		goto return_results;
	}

	Debug( LDAP_DEBUG_TRACE,
		LDAP_XSTRING(bdb_delete) ": deleted%s id=%08lx dn=\"%s\"\n",
		op->o_noop ? " (no-op)" : "",
		eid, op->o_req_dn.bv_val );
	rs->sr_err = LDAP_SUCCESS;
	rs->sr_text = NULL;
	if( num_ctrls ) rs->sr_ctrls = ctrls;

return_results:
	if ( rs->sr_err == LDAP_SUCCESS && parent_is_glue && parent_is_leaf ) {
		op->o_delete_glue_parent = 1;
	}

	if ( p )
		bdb_unlocked_cache_return_entry_r(&bdb->bi_cache, p);

	/* free entry */
	if( e != NULL ) {
		if ( rs->sr_err == LDAP_SUCCESS ) {
			/* Free the EntryInfo and the Entry */
			bdb_cache_entryinfo_lock( BEI(e) );
			bdb_cache_delete_cleanup( &bdb->bi_cache, BEI(e) );
		} else {
			bdb_unlocked_cache_return_entry_w(&bdb->bi_cache, e);
		}
	}

	if( ltid != NULL ) {
		TXN_ABORT( ltid );
	}
	if ( opinfo.boi_oe.oe_key ) {
		LDAP_SLIST_REMOVE( &op->o_extra, &opinfo.boi_oe, OpExtra, oe_next );
	}

	send_ldap_result( op, rs );
	slap_graduate_commit_csn( op );

	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( rs->sr_err == LDAP_SUCCESS && bdb->bi_txn_cp_kbyte ) {
		TXN_CHECKPOINT( bdb->bi_dbenv,
			bdb->bi_txn_cp_kbyte, bdb->bi_txn_cp_min, 0 );
	}
	return rs->sr_err;
}
示例#9
0
int
mdb_bind( Operation *op, SlapReply *rs )
{
	struct mdb_info *mdb = (struct mdb_info *) op->o_bd->be_private;
	Entry		*e;
	Attribute	*a;

	AttributeDescription *password = slap_schema.si_ad_userPassword;

	MDB_txn		*rtxn;
	mdb_op_info	opinfo = {{{0}}}, *moi = &opinfo;

	Debug( LDAP_DEBUG_ARGS,
		"==> " LDAP_XSTRING(mdb_bind) ": dn: %s\n",
		op->o_req_dn.bv_val, 0, 0);

	/* allow noauth binds */
	switch ( be_rootdn_bind( op, NULL ) ) {
	case LDAP_SUCCESS:
		/* frontend will send result */
		return rs->sr_err = LDAP_SUCCESS;

	default:
		/* give the database a chance */
		/* NOTE: this behavior departs from that of other backends,
		 * since the others, in case of password checking failure
		 * do not give the database a chance.  If an entry with
		 * rootdn's name does not exist in the database the result
		 * will be the same.  See ITS#4962 for discussion. */
		break;
	}

	rs->sr_err = mdb_opinfo_get(op, mdb, 1, &moi);
	switch(rs->sr_err) {
	case 0:
		break;
	default:
		rs->sr_text = "internal error";
		send_ldap_result( op, rs );
		return rs->sr_err;
	}

	rtxn = moi->moi_txn;

	/* get entry with reader lock */
	rs->sr_err = mdb_dn2entry( op, rtxn, NULL, &op->o_req_ndn, &e, NULL, 0 );

	switch(rs->sr_err) {
	case MDB_NOTFOUND:
		rs->sr_err = LDAP_INVALID_CREDENTIALS;
		goto done;
	case 0:
		break;
	case LDAP_BUSY:
		rs->sr_text = "ldap_server_busy";
		goto done;
	default:
		rs->sr_err = LDAP_OTHER;
		rs->sr_text = "internal error";
		goto done;
	}

	ber_dupbv( &op->oq_bind.rb_edn, &e->e_name );

	/* check for deleted */
	if ( is_entry_subentry( e ) ) {
		/* entry is an subentry, don't allow bind */
		Debug( LDAP_DEBUG_TRACE, "entry is subentry\n", 0,
			0, 0 );
		rs->sr_err = LDAP_INVALID_CREDENTIALS;
		goto done;
	}

	if ( is_entry_alias( e ) ) {
		/* entry is an alias, don't allow bind */
		Debug( LDAP_DEBUG_TRACE, "entry is alias\n", 0, 0, 0 );
		rs->sr_err = LDAP_INVALID_CREDENTIALS;
		goto done;
	}

	if ( is_entry_referral( e ) ) {
		Debug( LDAP_DEBUG_TRACE, "entry is referral\n", 0,
			0, 0 );
		rs->sr_err = LDAP_INVALID_CREDENTIALS;
		goto done;
	}

	switch ( op->oq_bind.rb_method ) {
	case LDAP_AUTH_SIMPLE:
		a = attr_find( e->e_attrs, password );
		if ( a == NULL ) {
			rs->sr_err = LDAP_INVALID_CREDENTIALS;
			goto done;
		}

		if ( slap_passwd_check( op, e, a, &op->oq_bind.rb_cred,
					&rs->sr_text ) != 0 )
		{
			/* failure; stop front end from sending result */
			rs->sr_err = LDAP_INVALID_CREDENTIALS;
			goto done;
		}
			
		rs->sr_err = 0;
		break;

	default:
		assert( 0 ); /* should not be reachable */
		rs->sr_err = LDAP_STRONG_AUTH_NOT_SUPPORTED;
		rs->sr_text = "authentication method not supported";
	}

done:
	if ( moi == &opinfo ) {
		mdb_txn_reset( moi->moi_txn );
		LDAP_SLIST_REMOVE( &op->o_extra, &moi->moi_oe, OpExtra, oe_next );
	} else {
		moi->moi_ref--;
	}
	/* free entry and reader lock */
	if( e != NULL ) {
		mdb_entry_return( op, e );
	}

	if ( rs->sr_err ) {
		send_ldap_result( op, rs );
		if ( rs->sr_ref ) {
			ber_bvarray_free( rs->sr_ref );
			rs->sr_ref = NULL;
		}
	}
	/* front end will send result on success (rs->sr_err==0) */
	return rs->sr_err;
}
示例#10
0
int
mdb_add(Operation *op, SlapReply *rs )
{
	struct mdb_info *mdb = (struct mdb_info *) op->o_bd->be_private;
	struct berval	pdn;
	Entry		*p = NULL, *oe = op->ora_e;
	char textbuf[SLAP_TEXT_BUFLEN];
	size_t textlen = sizeof textbuf;
	AttributeDescription *children = slap_schema.si_ad_children;
	AttributeDescription *entry = slap_schema.si_ad_entry;
	MDB_txn		*txn = NULL;
	MDB_cursor	*mc = NULL;
	MDB_cursor	*mcd;
	ID eid, pid = 0;
	mdb_op_info opinfo = {{{ 0 }}}, *moi = &opinfo;
	int subentry;
	int numads = mdb->mi_numads;

	int		success;

	LDAPControl **postread_ctrl = NULL;
	LDAPControl *ctrls[SLAP_MAX_RESPONSE_CONTROLS];
	int num_ctrls = 0;

#ifdef LDAP_X_TXN
	int settle = 0;
#endif

	Debug(LDAP_DEBUG_ARGS, "==> " LDAP_XSTRING(mdb_add) ": %s\n",
		op->ora_e->e_name.bv_val, 0, 0);

#ifdef LDAP_X_TXN
	if( op->o_txnSpec ) {
		/* acquire connection lock */
		ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
		if( op->o_conn->c_txn == CONN_TXN_INACTIVE ) {
			rs->sr_text = "invalid transaction identifier";
			rs->sr_err = LDAP_X_TXN_ID_INVALID;
			goto txnReturn;
		} else if( op->o_conn->c_txn == CONN_TXN_SETTLE ) {
			settle=1;
			goto txnReturn;
		}

		if( op->o_conn->c_txn_backend == NULL ) {
			op->o_conn->c_txn_backend = op->o_bd;

		} else if( op->o_conn->c_txn_backend != op->o_bd ) {
			rs->sr_text = "transaction cannot span multiple database contexts";
			rs->sr_err = LDAP_AFFECTS_MULTIPLE_DSAS;
			goto txnReturn;
		}

		/* insert operation into transaction */

		rs->sr_text = "transaction specified";
		rs->sr_err = LDAP_X_TXN_SPECIFY_OKAY;

txnReturn:
		/* release connection lock */
		ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );

		if( !settle ) {
			send_ldap_result( op, rs );
			return rs->sr_err;
		}
	}
#endif

	ctrls[num_ctrls] = 0;

	/* check entry's schema */
	rs->sr_err = entry_schema_check( op, op->ora_e, NULL,
		get_relax(op), 1, NULL, &rs->sr_text, textbuf, textlen );
	if ( rs->sr_err != LDAP_SUCCESS ) {
		Debug( LDAP_DEBUG_TRACE,
			LDAP_XSTRING(mdb_add) ": entry failed schema check: "
			"%s (%d)\n", rs->sr_text, rs->sr_err, 0 );
		goto return_results;
	}

	/* begin transaction */
	rs->sr_err = mdb_opinfo_get( op, mdb, 0, &moi );
	rs->sr_text = NULL;
	if( rs->sr_err != 0 ) {
		Debug( LDAP_DEBUG_TRACE,
			LDAP_XSTRING(mdb_add) ": txn_begin failed: %s (%d)\n",
			mdb_strerror(rs->sr_err), rs->sr_err, 0 );
		rs->sr_err = LDAP_OTHER;
		rs->sr_text = "internal error";
		goto return_results;
	}
	txn = moi->moi_txn;

	/* 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(mdb_add) ": entry failed op attrs add: "
			"%s (%d)\n", rs->sr_text, rs->sr_err, 0 );
		goto return_results;
	}

	if ( get_assert( op ) &&
		( test_filter( op, op->ora_e, get_assertion( op )) != LDAP_COMPARE_TRUE ))
	{
		rs->sr_err = LDAP_ASSERTION_FAILED;
		goto return_results;
	}

	subentry = is_entry_subentry( op->ora_e );

	/*
	 * Get the parent dn and see if the corresponding entry exists.
	 */
	if ( be_issuffix( op->o_bd, &op->ora_e->e_nname ) ) {
		pdn = slap_empty_bv;
	} else {
		dnParent( &op->ora_e->e_nname, &pdn );
	}

	rs->sr_err = mdb_cursor_open( txn, mdb->mi_dn2id, &mcd );
	if( rs->sr_err != 0 ) {
		Debug( LDAP_DEBUG_TRACE,
			LDAP_XSTRING(mdb_add) ": mdb_cursor_open failed (%d)\n",
			rs->sr_err, 0, 0 );
		rs->sr_err = LDAP_OTHER;
		rs->sr_text = "internal error";
		goto return_results;
	}

	/* get entry or parent */
	rs->sr_err = mdb_dn2entry( op, txn, mcd, &op->ora_e->e_nname, &p, NULL, 1 );
	switch( rs->sr_err ) {
	case 0:
		rs->sr_err = LDAP_ALREADY_EXISTS;
		mdb_entry_return( op, p );
		p = NULL;
		goto return_results;
	case MDB_NOTFOUND:
		break;
	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 ( !p )
		p = (Entry *)&slap_entry_root;

	if ( !bvmatch( &pdn, &p->e_nname ) ) {
		rs->sr_matched = ber_strdup_x( p->e_name.bv_val,
			op->o_tmpmemctx );
		if ( p != (Entry *)&slap_entry_root && is_entry_referral( p )) {
			BerVarray ref = get_entry_referrals( op, p );
			rs->sr_ref = referral_rewrite( ref, &p->e_name,
				&op->o_req_dn, LDAP_SCOPE_DEFAULT );
			ber_bvarray_free( ref );
		} else {
			rs->sr_ref = NULL;
		}
		if ( p != (Entry *)&slap_entry_root )
			mdb_entry_return( op, p );
		p = NULL;
		Debug( LDAP_DEBUG_TRACE,
			LDAP_XSTRING(mdb_add) ": parent "
			"does not exist\n", 0, 0, 0 );

		rs->sr_err = LDAP_REFERRAL;
		rs->sr_flags = REP_MATCHED_MUSTBEFREED | REP_REF_MUSTBEFREED;
		goto return_results;
	}

	rs->sr_err = access_allowed( op, p,
		children, NULL, ACL_WADD, NULL );

	if ( ! rs->sr_err ) {
		if ( p != (Entry *)&slap_entry_root )
			mdb_entry_return( op, p );
		p = NULL;

		Debug( LDAP_DEBUG_TRACE,
			LDAP_XSTRING(mdb_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 ( p != (Entry *)&slap_entry_root ) {
		if ( is_entry_subentry( p ) ) {
			mdb_entry_return( op, p );
			p = NULL;
			/* parent is a subentry, don't allow add */
			Debug( LDAP_DEBUG_TRACE,
				LDAP_XSTRING(mdb_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 ) ) {
			mdb_entry_return( op, p );
			p = NULL;
			/* parent is an alias, don't allow add */
			Debug( LDAP_DEBUG_TRACE,
				LDAP_XSTRING(mdb_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 ) ) {
			BerVarray ref = get_entry_referrals( op, p );
			/* parent is a referral, don't allow add */
			rs->sr_matched = ber_strdup_x( p->e_name.bv_val,
				op->o_tmpmemctx );
			rs->sr_ref = referral_rewrite( ref, &p->e_name,
				&op->o_req_dn, LDAP_SCOPE_DEFAULT );
			ber_bvarray_free( ref );
			mdb_entry_return( op, p );
			p = NULL;
			Debug( LDAP_DEBUG_TRACE,
				LDAP_XSTRING(mdb_add) ": parent is referral\n",
				0, 0, 0 );

			rs->sr_err = LDAP_REFERRAL;
			rs->sr_flags = REP_MATCHED_MUSTBEFREED | REP_REF_MUSTBEFREED;
			goto return_results;
		}

	}

	if ( subentry ) {
		/* FIXME: */
		/* parent must be an administrative point of the required kind */
	}

	/* free parent */
	if ( p != (Entry *)&slap_entry_root ) {
		pid = p->e_id;
		if ( p->e_nname.bv_len ) {
			struct berval ppdn;

			/* ITS#5326: use parent's DN if differs from provided one */
			dnParent( &op->ora_e->e_name, &ppdn );
			if ( !dn_match( &p->e_name, &ppdn ) ) {
				struct berval rdn;
				struct berval newdn;

				dnRdn( &op->ora_e->e_name, &rdn );

				build_new_dn( &newdn, &p->e_name, &rdn, NULL ); 
				if ( op->ora_e->e_name.bv_val != op->o_req_dn.bv_val )
					ber_memfree( op->ora_e->e_name.bv_val );
				op->ora_e->e_name = newdn;

				/* FIXME: should check whether
				 * dnNormalize(newdn) == e->e_nname ... */
			}
		}

		mdb_entry_return( op, p );
	}
	p = NULL;

	rs->sr_err = access_allowed( op, op->ora_e,
		entry, NULL, ACL_WADD, NULL );

	if ( ! rs->sr_err ) {
		Debug( LDAP_DEBUG_TRACE,
			LDAP_XSTRING(mdb_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, oe, op->ora_modlist)) {
		Debug( LDAP_DEBUG_TRACE,
			LDAP_XSTRING(mdb_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;;
	}

	rs->sr_err = mdb_cursor_open( txn, mdb->mi_id2entry, &mc );
	if( rs->sr_err != 0 ) {
		Debug( LDAP_DEBUG_TRACE,
			LDAP_XSTRING(mdb_add) ": mdb_cursor_open failed (%d)\n",
			rs->sr_err, 0, 0 );
		rs->sr_err = LDAP_OTHER;
		rs->sr_text = "internal error";
		goto return_results;
	}

	rs->sr_err = mdb_next_id( op->o_bd, mc, &eid );
	if( rs->sr_err != 0 ) {
		Debug( LDAP_DEBUG_TRACE,
			LDAP_XSTRING(mdb_add) ": next_id failed (%d)\n",
			rs->sr_err, 0, 0 );
		rs->sr_err = LDAP_OTHER;
		rs->sr_text = "internal error";
		goto return_results;
	}
	op->ora_e->e_id = eid;

	/* dn2id index */
	rs->sr_err = mdb_dn2id_add( op, mcd, mcd, pid, 1, 1, op->ora_e );
	mdb_cursor_close( mcd );
	if ( rs->sr_err != 0 ) {
		Debug( LDAP_DEBUG_TRACE,
			LDAP_XSTRING(mdb_add) ": dn2id_add failed: %s (%d)\n",
			mdb_strerror(rs->sr_err), rs->sr_err, 0 );

		switch( rs->sr_err ) {
		case MDB_KEYEXIST:
			rs->sr_err = LDAP_ALREADY_EXISTS;
			break;
		default:
			rs->sr_err = LDAP_OTHER;
		}
		goto return_results;
	}

	/* attribute indexes */
	rs->sr_err = mdb_index_entry_add( op, txn, op->ora_e );
	if ( rs->sr_err != LDAP_SUCCESS ) {
		Debug( LDAP_DEBUG_TRACE,
			LDAP_XSTRING(mdb_add) ": index_entry_add failed\n",
			0, 0, 0 );
		rs->sr_err = LDAP_OTHER;
		rs->sr_text = "index generation failed";
		goto return_results;
	}

	/* id2entry index */
	rs->sr_err = mdb_id2entry_add( op, txn, mc, op->ora_e );
	if ( rs->sr_err != 0 ) {
		Debug( LDAP_DEBUG_TRACE,
			LDAP_XSTRING(mdb_add) ": id2entry_add failed\n",
			0, 0, 0 );
		rs->sr_err = LDAP_OTHER;
		rs->sr_text = "entry store failed";
		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->ora_e,
			&slap_post_read_bv, postread_ctrl ) )
		{
			Debug( LDAP_DEBUG_TRACE,
				"<=- " LDAP_XSTRING(mdb_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 ( moi == &opinfo ) {
		LDAP_SLIST_REMOVE( &op->o_extra, &opinfo.moi_oe, OpExtra, oe_next );
		opinfo.moi_oe.oe_key = NULL;
		if ( op->o_noop ) {
			mdb->mi_numads = numads;
			mdb_txn_abort( txn );
			rs->sr_err = LDAP_X_NO_OPERATION;
			txn = NULL;
			goto return_results;
		}

		rs->sr_err = mdb_txn_commit( txn );
		txn = NULL;
		if ( rs->sr_err != 0 ) {
			mdb->mi_numads = numads;
			rs->sr_text = "txn_commit failed";
			Debug( LDAP_DEBUG_ANY,
				LDAP_XSTRING(mdb_add) ": %s : %s (%d)\n",
				rs->sr_text, mdb_strerror(rs->sr_err), rs->sr_err );
			rs->sr_err = LDAP_OTHER;
			goto return_results;
		}
	}

	Debug(LDAP_DEBUG_TRACE,
		LDAP_XSTRING(mdb_add) ": added%s id=%08lx dn=\"%s\"\n",
		op->o_noop ? " (no-op)" : "",
		op->ora_e->e_id, op->ora_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 );

	if( moi == &opinfo ) {
		if( txn != NULL ) {
			mdb->mi_numads = numads;
			mdb_txn_abort( txn );
		}
		if ( opinfo.moi_oe.oe_key ) {
			LDAP_SLIST_REMOVE( &op->o_extra, &opinfo.moi_oe, OpExtra, oe_next );
		}
	} else {
		moi->moi_ref--;
	}

	if( success == LDAP_SUCCESS ) {
#if 0
		if ( mdb->bi_txn_cp_kbyte ) {
			TXN_CHECKPOINT( mdb->bi_dbenv,
				mdb->bi_txn_cp_kbyte, mdb->bi_txn_cp_min, 0 );
		}
#endif
	}

	slap_graduate_commit_csn( op );

	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;
}
示例#11
0
文件: delete.c 项目: benegon/openldap
int
mdb_delete( Operation *op, SlapReply *rs )
{
	struct mdb_info *mdb = (struct mdb_info *) op->o_bd->be_private;
	struct berval	pdn = {0, NULL};
	Entry	*e = NULL;
	Entry	*p = NULL;
	int		manageDSAit = get_manageDSAit( op );
	AttributeDescription *children = slap_schema.si_ad_children;
	AttributeDescription *entry = slap_schema.si_ad_entry;
	MDB_txn		*txn = NULL;
	MDB_cursor	*mc;
	mdb_op_info opinfo = {{{ 0 }}}, *moi = &opinfo;

	LDAPControl **preread_ctrl = NULL;
	LDAPControl *ctrls[SLAP_MAX_RESPONSE_CONTROLS];
	int num_ctrls = 0;

	int	parent_is_glue = 0;
	int parent_is_leaf = 0;

#ifdef LDAP_X_TXN
	int settle = 0;
#endif

	Debug( LDAP_DEBUG_ARGS, "==> " LDAP_XSTRING(mdb_delete) ": %s\n",
		op->o_req_dn.bv_val, 0, 0 );

#ifdef LDAP_X_TXN
	if( op->o_txnSpec ) {
		/* acquire connection lock */
		ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
		if( op->o_conn->c_txn == CONN_TXN_INACTIVE ) {
			rs->sr_text = "invalid transaction identifier";
			rs->sr_err = LDAP_X_TXN_ID_INVALID;
			goto txnReturn;
		} else if( op->o_conn->c_txn == CONN_TXN_SETTLE ) {
			settle=1;
			goto txnReturn;
		}

		if( op->o_conn->c_txn_backend == NULL ) {
			op->o_conn->c_txn_backend = op->o_bd;

		} else if( op->o_conn->c_txn_backend != op->o_bd ) {
			rs->sr_text = "transaction cannot span multiple database contexts";
			rs->sr_err = LDAP_AFFECTS_MULTIPLE_DSAS;
			goto txnReturn;
		}

		/* insert operation into transaction */

		rs->sr_text = "transaction specified";
		rs->sr_err = LDAP_X_TXN_SPECIFY_OKAY;

txnReturn:
		/* release connection lock */
		ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );

		if( !settle ) {
			send_ldap_result( op, rs );
			return rs->sr_err;
		}
	}
#endif

	ctrls[num_ctrls] = 0;

	/* begin transaction */
	rs->sr_err = mdb_opinfo_get( op, mdb, 0, &moi );
	rs->sr_text = NULL;
	if( rs->sr_err != 0 ) {
		Debug( LDAP_DEBUG_TRACE,
			LDAP_XSTRING(mdb_delete) ": txn_begin failed: "
			"%s (%d)\n", mdb_strerror(rs->sr_err), rs->sr_err, 0 );
		rs->sr_err = LDAP_OTHER;
		rs->sr_text = "internal error";
		goto return_results;
	}
	txn = moi->moi_txn;

	/* allocate CSN */
	if ( BER_BVISNULL( &op->o_csn ) ) {
		struct berval csn;
		char csnbuf[LDAP_PVT_CSNSTR_BUFSIZE];

		csn.bv_val = csnbuf;
		csn.bv_len = sizeof(csnbuf);
		slap_get_csn( op, &csn, 1 );
	}

	if ( !be_issuffix( op->o_bd, &op->o_req_ndn ) ) {
		dnParent( &op->o_req_ndn, &pdn );
	}

	rs->sr_err = mdb_cursor_open( txn, mdb->mi_dn2id, &mc );
	if ( rs->sr_err ) {
		rs->sr_err = LDAP_OTHER;
		rs->sr_text = "internal error";
		goto return_results;
	}
	/* get parent */
	rs->sr_err = mdb_dn2entry( op, txn, mc, &pdn, &p, NULL, 1 );
	switch( rs->sr_err ) {
	case 0:
	case MDB_NOTFOUND:
		break;
	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 ( rs->sr_err == MDB_NOTFOUND ) {
		Debug( LDAP_DEBUG_ARGS,
			"<=- " LDAP_XSTRING(mdb_delete) ": no such object %s\n",
			op->o_req_dn.bv_val, 0, 0);

		if ( p && !BER_BVISEMPTY( &p->e_name )) {
			rs->sr_matched = ch_strdup( p->e_name.bv_val );
			if ( is_entry_referral( p )) {
				BerVarray ref = get_entry_referrals( op, p );
				rs->sr_ref = referral_rewrite( ref, &p->e_name,
					&op->o_req_dn, LDAP_SCOPE_DEFAULT );
				ber_bvarray_free( ref );
			} else {
				rs->sr_ref = NULL;
			}
		} else {
			rs->sr_ref = referral_rewrite( default_referral, NULL,
					&op->o_req_dn, LDAP_SCOPE_DEFAULT );
		}
		if ( p ) {
			mdb_entry_return( op, p );
			p = NULL;
		}

		rs->sr_err = LDAP_REFERRAL;
		rs->sr_flags = REP_MATCHED_MUSTBEFREED | REP_REF_MUSTBEFREED;
		goto return_results;
	}

	/* get entry */
	rs->sr_err = mdb_dn2entry( op, txn, mc, &op->o_req_ndn, &e, NULL, 0 );
	switch( rs->sr_err ) {
	case MDB_NOTFOUND:
		e = p;
		p = NULL;
	case 0:
		break;
	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;
	}

	/* FIXME : dn2entry() should return non-glue entry */
	if ( rs->sr_err == MDB_NOTFOUND || ( !manageDSAit && is_entry_glue( e ))) {
		Debug( LDAP_DEBUG_ARGS,
			"<=- " LDAP_XSTRING(mdb_delete) ": no such object %s\n",
			op->o_req_dn.bv_val, 0, 0);

		rs->sr_matched = ch_strdup( e->e_dn );
		if ( is_entry_referral( e )) {
			BerVarray ref = get_entry_referrals( op, e );
			rs->sr_ref = referral_rewrite( ref, &e->e_name,
				&op->o_req_dn, LDAP_SCOPE_DEFAULT );
			ber_bvarray_free( ref );
		} else {
			rs->sr_ref = NULL;
		}
		mdb_entry_return( op, e );
		e = NULL;

		rs->sr_err = LDAP_REFERRAL;
		rs->sr_flags = REP_MATCHED_MUSTBEFREED | REP_REF_MUSTBEFREED;
		goto return_results;
	}

	if ( pdn.bv_len != 0 ) {
		/* check parent for "children" acl */
		rs->sr_err = access_allowed( op, p,
			children, NULL, ACL_WDEL, NULL );

		if ( !rs->sr_err  ) {
			Debug( LDAP_DEBUG_TRACE,
				"<=- " LDAP_XSTRING(mdb_delete) ": 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;
		}

	} else {
		/* no parent, must be root to delete */
		if( ! be_isroot( op ) ) {
			if ( be_issuffix( op->o_bd, (struct berval *)&slap_empty_bv )
				|| be_shadow_update( op ) ) {
				p = (Entry *)&slap_entry_root;

				/* check parent for "children" acl */
				rs->sr_err = access_allowed( op, p,
					children, NULL, ACL_WDEL, NULL );

				p = NULL;

				if ( !rs->sr_err  ) {
					Debug( LDAP_DEBUG_TRACE,
						"<=- " LDAP_XSTRING(mdb_delete)
						": no access to parent\n",
						0, 0, 0 );
					rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
					rs->sr_text = "no write access to parent";
					goto return_results;
				}

			} else {
				Debug( LDAP_DEBUG_TRACE,
					"<=- " LDAP_XSTRING(mdb_delete)
					": no parent and not root\n", 0, 0, 0 );
				rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
				goto return_results;
			}
		}
	}

	if ( get_assert( op ) &&
		( test_filter( op, e, get_assertion( op )) != LDAP_COMPARE_TRUE ))
	{
		rs->sr_err = LDAP_ASSERTION_FAILED;
		goto return_results;
	}

	rs->sr_err = access_allowed( op, e,
		entry, NULL, ACL_WDEL, NULL );

	if ( !rs->sr_err  ) {
		Debug( LDAP_DEBUG_TRACE,
			"<=- " LDAP_XSTRING(mdb_delete) ": 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;
	}

	if ( !manageDSAit && is_entry_referral( e ) ) {
		/* entry is a referral, don't allow delete */
		rs->sr_ref = get_entry_referrals( op, e );

		Debug( LDAP_DEBUG_TRACE,
			LDAP_XSTRING(mdb_delete) ": entry is referral\n",
			0, 0, 0 );

		rs->sr_err = LDAP_REFERRAL;
		rs->sr_matched = ch_strdup( e->e_name.bv_val );
		rs->sr_flags = REP_MATCHED_MUSTBEFREED | REP_REF_MUSTBEFREED;
		goto return_results;
	}

	/* pre-read */
	if( op->o_preread ) {
		if( preread_ctrl == NULL ) {
			preread_ctrl = &ctrls[num_ctrls++];
			ctrls[num_ctrls] = NULL;
		}
		if( slap_read_controls( op, rs, e,
			&slap_pre_read_bv, preread_ctrl ) )
		{
			Debug( LDAP_DEBUG_TRACE,
				"<=- " LDAP_XSTRING(mdb_delete) ": 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 return_results;
			}
		}
	}

	rs->sr_text = NULL;

	/* Can't do it if we have kids */
	rs->sr_err = mdb_dn2id_children( op, txn, e );
	if( rs->sr_err != MDB_NOTFOUND ) {
		switch( rs->sr_err ) {
		case 0:
			Debug(LDAP_DEBUG_ARGS,
				"<=- " LDAP_XSTRING(mdb_delete)
				": non-leaf %s\n",
				op->o_req_dn.bv_val, 0, 0);
			rs->sr_err = LDAP_NOT_ALLOWED_ON_NONLEAF;
			rs->sr_text = "subordinate objects must be deleted first";
			break;
		default:
			Debug(LDAP_DEBUG_ARGS,
				"<=- " LDAP_XSTRING(mdb_delete)
				": has_children failed: %s (%d)\n",
				mdb_strerror(rs->sr_err), rs->sr_err, 0 );
			rs->sr_err = LDAP_OTHER;
			rs->sr_text = "internal error";
		}
		goto return_results;
	}

	/* delete from dn2id */
	rs->sr_err = mdb_dn2id_delete( op, mc, e->e_id, 1 );
	mdb_cursor_close( mc );
	if ( rs->sr_err != 0 ) {
		Debug(LDAP_DEBUG_TRACE,
			"<=- " LDAP_XSTRING(mdb_delete) ": dn2id failed: "
			"%s (%d)\n", mdb_strerror(rs->sr_err), rs->sr_err, 0 );
		rs->sr_text = "DN index delete failed";
		rs->sr_err = LDAP_OTHER;
		goto return_results;
	}

	/* delete indices for old attributes */
	rs->sr_err = mdb_index_entry_del( op, txn, e );
	if ( rs->sr_err != LDAP_SUCCESS ) {
		Debug(LDAP_DEBUG_TRACE,
			"<=- " LDAP_XSTRING(mdb_delete) ": index failed: "
			"%s (%d)\n", mdb_strerror(rs->sr_err), rs->sr_err, 0 );
		rs->sr_text = "entry index delete failed";
		rs->sr_err = LDAP_OTHER;
		goto return_results;
	}

	/* fixup delete CSN */
	if ( !SLAP_SHADOW( op->o_bd )) {
		struct berval vals[2];

		assert( !BER_BVISNULL( &op->o_csn ) );
		vals[0] = op->o_csn;
		BER_BVZERO( &vals[1] );
		rs->sr_err = mdb_index_values( op, txn, slap_schema.si_ad_entryCSN,
			vals, 0, SLAP_INDEX_ADD_OP );
		if ( rs->sr_err != LDAP_SUCCESS ) {
			rs->sr_text = "entryCSN index update failed";
			rs->sr_err = LDAP_OTHER;
			goto return_results;
		}
	}

	/* delete from id2entry */
	rs->sr_err = mdb_id2entry_delete( op->o_bd, txn, e );
	if ( rs->sr_err != 0 ) {
		Debug( LDAP_DEBUG_TRACE,
			"<=- " LDAP_XSTRING(mdb_delete) ": id2entry failed: "
			"%s (%d)\n", mdb_strerror(rs->sr_err), rs->sr_err, 0 );
		rs->sr_text = "entry delete failed";
		rs->sr_err = LDAP_OTHER;
		goto return_results;
	}

	if ( pdn.bv_len != 0 ) {
		parent_is_glue = is_entry_glue(p);
		rs->sr_err = mdb_dn2id_children( op, txn, p );
		if ( rs->sr_err != MDB_NOTFOUND ) {
			switch( rs->sr_err ) {
			case 0:
				break;
			default:
				Debug(LDAP_DEBUG_ARGS,
					"<=- " LDAP_XSTRING(mdb_delete)
					": has_children failed: %s (%d)\n",
					mdb_strerror(rs->sr_err), rs->sr_err, 0 );
				rs->sr_err = LDAP_OTHER;
				rs->sr_text = "internal error";
				goto return_results;
			}
			parent_is_leaf = 1;
		}
		mdb_entry_return( op, p );
		p = NULL;
	}

	if( moi == &opinfo ) {
		LDAP_SLIST_REMOVE( &op->o_extra, &opinfo.moi_oe, OpExtra, oe_next );
		opinfo.moi_oe.oe_key = NULL;
		if( op->o_noop ) {
			mdb_txn_abort( txn );
			rs->sr_err = LDAP_X_NO_OPERATION;
			txn = NULL;
			goto return_results;
		} else {
			rs->sr_err = mdb_txn_commit( txn );
		}
		txn = NULL;
	}

	if( rs->sr_err != 0 ) {
		Debug( LDAP_DEBUG_ANY,
			LDAP_XSTRING(mdb_delete) ": txn_%s failed: %s (%d)\n",
			op->o_noop ? "abort (no-op)" : "commit",
			mdb_strerror(rs->sr_err), rs->sr_err );
		rs->sr_err = LDAP_OTHER;
		rs->sr_text = "commit failed";

		goto return_results;
	}

	Debug( LDAP_DEBUG_TRACE,
		LDAP_XSTRING(mdb_delete) ": deleted%s id=%08lx dn=\"%s\"\n",
		op->o_noop ? " (no-op)" : "",
		e->e_id, op->o_req_dn.bv_val );
	rs->sr_err = LDAP_SUCCESS;
	rs->sr_text = NULL;
	if( num_ctrls ) rs->sr_ctrls = ctrls;

return_results:
	if ( rs->sr_err == LDAP_SUCCESS && parent_is_glue && parent_is_leaf ) {
		op->o_delete_glue_parent = 1;
	}

	if ( p != NULL ) {
		mdb_entry_return( op, p );
	}

	/* free entry */
	if( e != NULL ) {
		mdb_entry_return( op, e );
	}

	if( moi == &opinfo ) {
		if( txn != NULL ) {
			mdb_txn_abort( txn );
		}
		if ( opinfo.moi_oe.oe_key ) {
			LDAP_SLIST_REMOVE( &op->o_extra, &opinfo.moi_oe, OpExtra, oe_next );
		}
	} else {
		moi->moi_ref--;
	}

	send_ldap_result( op, rs );
	slap_graduate_commit_csn( op );

	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 0
	if( rs->sr_err == LDAP_SUCCESS && mdb->bi_txn_cp_kbyte ) {
		TXN_CHECKPOINT( mdb->bi_dbenv,
			mdb->bi_txn_cp_kbyte, mdb->bi_txn_cp_min, 0 );
	}
#endif
	return rs->sr_err;
}
示例#12
0
int
bdb_modify( Operation *op, SlapReply *rs )
{
	struct bdb_info *bdb = (struct bdb_info *) op->o_bd->be_private;
	Entry		*e = NULL;
	EntryInfo	*ei = NULL;
	int		manageDSAit = get_manageDSAit( op );
	char textbuf[SLAP_TEXT_BUFLEN];
	size_t textlen = sizeof textbuf;
	DB_TXN	*ltid = NULL, *lt2;
	struct bdb_op_info opinfo = {{{ 0 }}};
	Entry		dummy = {0};

	DB_LOCK		lock;

	int		num_retries = 0;

	LDAPControl **preread_ctrl = NULL;
	LDAPControl **postread_ctrl = NULL;
	LDAPControl *ctrls[SLAP_MAX_RESPONSE_CONTROLS];
	int num_ctrls = 0;

	int rc;

	Debug( LDAP_DEBUG_ARGS, LDAP_XSTRING(bdb_modify) ": %s\n",
		op->o_req_dn.bv_val, 0, 0 );

#ifdef LDAP_X_TXN
	if( op->o_txnSpec && txn_preop( op, rs ))
		return rs->sr_err;
#endif

	ctrls[num_ctrls] = NULL;

	/* Don't touch the opattrs, if this is a contextCSN update
	 * initiated from updatedn */
	if ( !be_isupdate(op) || !op->orm_modlist || op->orm_modlist->sml_next ||
		 op->orm_modlist->sml_desc != slap_schema.si_ad_contextCSN ) {

		slap_mods_opattrs( op, &op->orm_modlist, 1 );
	}

	if( 0 ) {
retry:	/* transaction retry */
		if ( dummy.e_attrs ) {
			attrs_free( dummy.e_attrs );
			dummy.e_attrs = NULL;
		}
		if( e != NULL ) {
			bdb_unlocked_cache_return_entry_w(&bdb->bi_cache, e);
			e = NULL;
		}
		Debug(LDAP_DEBUG_TRACE,
			LDAP_XSTRING(bdb_modify) ": retrying...\n", 0, 0, 0);

		rs->sr_err = TXN_ABORT( ltid );
		ltid = NULL;
		LDAP_SLIST_REMOVE( &op->o_extra, &opinfo.boi_oe, OpExtra, oe_next );
		opinfo.boi_oe.oe_key = NULL;
		op->o_do_not_cache = opinfo.boi_acl_cache;
		if( rs->sr_err != 0 ) {
			rs->sr_err = LDAP_OTHER;
			rs->sr_text = "internal error";
			goto return_results;
		}
		if ( op->o_abandon ) {
			rs->sr_err = SLAPD_ABANDON;
			goto return_results;
		}
		bdb_trans_backoff( ++num_retries );
	}

	/* begin transaction */
	{
		int tflags = bdb->bi_db_opflags;
		if ( get_lazyCommit( op ))
			tflags |= DB_TXN_NOSYNC;
		rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, NULL, &ltid, tflags );
	}
	rs->sr_text = NULL;
	if( rs->sr_err != 0 ) {
		Debug( LDAP_DEBUG_TRACE,
			LDAP_XSTRING(bdb_modify) ": txn_begin failed: "
			"%s (%d)\n", db_strerror(rs->sr_err), rs->sr_err, 0 );
		rs->sr_err = LDAP_OTHER;
		rs->sr_text = "internal error";
		goto return_results;
	}
	Debug( LDAP_DEBUG_TRACE, LDAP_XSTRING(bdb_modify) ": txn1 id: %x\n",
		ltid->id(ltid), 0, 0 );

	opinfo.boi_oe.oe_key = bdb;
	opinfo.boi_txn = ltid;
	opinfo.boi_err = 0;
	opinfo.boi_acl_cache = op->o_do_not_cache;
	LDAP_SLIST_INSERT_HEAD( &op->o_extra, &opinfo.boi_oe, oe_next );

	/* get entry or ancestor */
	rs->sr_err = bdb_dn2entry( op, ltid, &op->o_req_ndn, &ei, 1,
		&lock );

	if ( rs->sr_err != 0 ) {
		Debug( LDAP_DEBUG_TRACE,
			LDAP_XSTRING(bdb_modify) ": dn2entry failed (%d)\n",
			rs->sr_err, 0, 0 );
		switch( rs->sr_err ) {
		case DB_LOCK_DEADLOCK:
		case DB_LOCK_NOTGRANTED:
			goto retry;
		case DB_NOTFOUND:
			break;
		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;
		}
	}

	e = ei->bei_e;

	/* acquire and lock entry */
	/* FIXME: dn2entry() should return non-glue entry */
	if (( rs->sr_err == DB_NOTFOUND ) ||
		( !manageDSAit && e && is_entry_glue( e )))
	{
		if ( e != NULL ) {
			rs->sr_matched = ch_strdup( e->e_dn );
			rs->sr_ref = is_entry_referral( e )
				? get_entry_referrals( op, e )
				: NULL;
			bdb_unlocked_cache_return_entry_r (&bdb->bi_cache, e);
			e = NULL;

		} else {
			rs->sr_ref = referral_rewrite( default_referral, NULL,
				&op->o_req_dn, LDAP_SCOPE_DEFAULT );
		}

		rs->sr_err = LDAP_REFERRAL;
		send_ldap_result( op, rs );

		if ( rs->sr_ref != default_referral ) {
			ber_bvarray_free( rs->sr_ref );
		}
		free( (char *)rs->sr_matched );
		rs->sr_ref = NULL;
		rs->sr_matched = NULL;

		goto done;
	}

	if ( !manageDSAit && is_entry_referral( e ) ) {
		/* entry is a referral, don't allow modify */
		rs->sr_ref = get_entry_referrals( op, e );

		Debug( LDAP_DEBUG_TRACE,
			LDAP_XSTRING(bdb_modify) ": entry is referral\n",
			0, 0, 0 );

		rs->sr_err = LDAP_REFERRAL;
		rs->sr_matched = e->e_name.bv_val;
		send_ldap_result( op, rs );

		ber_bvarray_free( rs->sr_ref );
		rs->sr_ref = NULL;
		rs->sr_matched = NULL;
		goto done;
	}

	if ( get_assert( op ) &&
		( test_filter( op, e, get_assertion( op )) != LDAP_COMPARE_TRUE ))
	{
		rs->sr_err = LDAP_ASSERTION_FAILED;
		goto return_results;
	}

	if( op->o_preread ) {
		if( preread_ctrl == NULL ) {
			preread_ctrl = &ctrls[num_ctrls++];
			ctrls[num_ctrls] = NULL;
		}
		if ( slap_read_controls( op, rs, e,
			&slap_pre_read_bv, preread_ctrl ) )
		{
			Debug( LDAP_DEBUG_TRACE,
				"<=- " LDAP_XSTRING(bdb_modify) ": 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 return_results;
			}
		}
	}

	/* nested transaction */
	rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, ltid, &lt2, bdb->bi_db_opflags );
	rs->sr_text = NULL;
	if( rs->sr_err != 0 ) {
		Debug( LDAP_DEBUG_TRACE,
			LDAP_XSTRING(bdb_modify) ": txn_begin(2) failed: " "%s (%d)\n",
			db_strerror(rs->sr_err), rs->sr_err, 0 );
		rs->sr_err = LDAP_OTHER;
		rs->sr_text = "internal error";
		goto return_results;
	}
	Debug( LDAP_DEBUG_TRACE, LDAP_XSTRING(bdb_modify) ": txn2 id: %x\n",
		lt2->id(lt2), 0, 0 );
	/* Modify the entry */
	dummy = *e;
	rs->sr_err = bdb_modify_internal( op, lt2, op->orm_modlist,
		&dummy, &rs->sr_text, textbuf, textlen );

	if( rs->sr_err != LDAP_SUCCESS ) {
		Debug( LDAP_DEBUG_TRACE,
			LDAP_XSTRING(bdb_modify) ": modify failed (%d)\n",
			rs->sr_err, 0, 0 );
		if ( (rs->sr_err == LDAP_INSUFFICIENT_ACCESS) && opinfo.boi_err ) {
			rs->sr_err = opinfo.boi_err;
		}
		/* Only free attrs if they were dup'd.  */
		if ( dummy.e_attrs == e->e_attrs ) dummy.e_attrs = NULL;
		switch( rs->sr_err ) {
		case DB_LOCK_DEADLOCK:
		case DB_LOCK_NOTGRANTED:
			goto retry;
		}
		goto return_results;
	}

	/* change the entry itself */
	rs->sr_err = bdb_id2entry_update( op->o_bd, lt2, &dummy );
	if ( rs->sr_err != 0 ) {
		Debug( LDAP_DEBUG_TRACE,
			LDAP_XSTRING(bdb_modify) ": id2entry update failed " "(%d)\n",
			rs->sr_err, 0, 0 );
		switch( rs->sr_err ) {
		case DB_LOCK_DEADLOCK:
		case DB_LOCK_NOTGRANTED:
			goto retry;
		}
		rs->sr_text = "entry update failed";
		goto return_results;
	}

	if ( TXN_COMMIT( lt2, 0 ) != 0 ) {
		rs->sr_err = LDAP_OTHER;
		rs->sr_text = "txn_commit(2) failed";
		goto return_results;
	}

	if( op->o_postread ) {
		if( postread_ctrl == NULL ) {
			postread_ctrl = &ctrls[num_ctrls++];
			ctrls[num_ctrls] = NULL;
		}
		if( slap_read_controls( op, rs, &dummy,
			&slap_post_read_bv, postread_ctrl ) )
		{
			Debug( LDAP_DEBUG_TRACE,
				"<=- " LDAP_XSTRING(bdb_modify)
				": 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 = TXN_ABORT( ltid ) ) != 0 ) {
			rs->sr_text = "txn_abort (no-op) failed";
		} else {
			rs->sr_err = LDAP_X_NO_OPERATION;
			ltid = NULL;
			/* Only free attrs if they were dup'd.  */
			if ( dummy.e_attrs == e->e_attrs ) dummy.e_attrs = NULL;
			goto return_results;
		}
	} else {
		/* may have changed in bdb_modify_internal() */
		e->e_ocflags = dummy.e_ocflags;
		rc = bdb_cache_modify( bdb, e, dummy.e_attrs, ltid, &lock );
		switch( rc ) {
		case DB_LOCK_DEADLOCK:
		case DB_LOCK_NOTGRANTED:
			goto retry;
		}
		dummy.e_attrs = NULL;

		rs->sr_err = TXN_COMMIT( ltid, 0 );
	}
	ltid = NULL;
	LDAP_SLIST_REMOVE( &op->o_extra, &opinfo.boi_oe, OpExtra, oe_next );
	opinfo.boi_oe.oe_key = NULL;

	if( rs->sr_err != 0 ) {
		Debug( LDAP_DEBUG_TRACE,
			LDAP_XSTRING(bdb_modify) ": txn_%s failed: %s (%d)\n",
			op->o_noop ? "abort (no-op)" : "commit",
			db_strerror(rs->sr_err), rs->sr_err );
		rs->sr_err = LDAP_OTHER;
		rs->sr_text = "commit failed";

		goto return_results;
	}

	Debug( LDAP_DEBUG_TRACE,
		LDAP_XSTRING(bdb_modify) ": updated%s id=%08lx dn=\"%s\"\n",
		op->o_noop ? " (no-op)" : "",
		dummy.e_id, op->o_req_dn.bv_val );

	rs->sr_err = LDAP_SUCCESS;
	rs->sr_text = NULL;
	if( num_ctrls ) rs->sr_ctrls = ctrls;

return_results:
	if( dummy.e_attrs ) {
		attrs_free( dummy.e_attrs );
	}
	send_ldap_result( op, rs );

	if( rs->sr_err == LDAP_SUCCESS && bdb->bi_txn_cp_kbyte ) {
		TXN_CHECKPOINT( bdb->bi_dbenv,
			bdb->bi_txn_cp_kbyte, bdb->bi_txn_cp_min, 0 );
	}

done:
	slap_graduate_commit_csn( op );

	if( ltid != NULL ) {
		TXN_ABORT( ltid );
	}
	if ( opinfo.boi_oe.oe_key ) {
		LDAP_SLIST_REMOVE( &op->o_extra, &opinfo.boi_oe, OpExtra, oe_next );
	}

	if( e != NULL ) {
		bdb_unlocked_cache_return_entry_w (&bdb->bi_cache, e);
	}

	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 );
	}

	rs->sr_text = NULL;

	return rs->sr_err;
}
示例#13
0
int
mdb_compare( Operation *op, SlapReply *rs )
{
	struct mdb_info *mdb = (struct mdb_info *) op->o_bd->be_private;
	Entry		*e = NULL;
	int		manageDSAit = get_manageDSAit( op );

	MDB_txn		*rtxn;
	mdb_op_info	opinfo = {{{0}}}, *moi = &opinfo;

	rs->sr_err = mdb_opinfo_get(op, mdb, 1, &moi);
	switch(rs->sr_err) {
	case 0:
		break;
	default:
		send_ldap_error( op, rs, LDAP_OTHER, "internal error" );
		return rs->sr_err;
	}

	rtxn = moi->moi_txn;

	/* get entry */
	rs->sr_err = mdb_dn2entry( op, rtxn, NULL, &op->o_req_ndn, &e, NULL, 1 );
	switch( rs->sr_err ) {
	case MDB_NOTFOUND:
	case 0:
		break;
	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 ( rs->sr_err == MDB_NOTFOUND ) {
		if ( e != NULL ) {
			/* return referral only if "disclose" is granted on the object */
			if ( ! access_allowed( op, e, slap_schema.si_ad_entry,
				NULL, ACL_DISCLOSE, NULL ) )
			{
				rs->sr_err = LDAP_NO_SUCH_OBJECT;

			} else {
				rs->sr_matched = ch_strdup( e->e_dn );
				if ( is_entry_referral( e )) {
					BerVarray ref = get_entry_referrals( op, e );
					rs->sr_ref = referral_rewrite( ref, &e->e_name,
						&op->o_req_dn, LDAP_SCOPE_DEFAULT );
					ber_bvarray_free( ref );
				} else {
					rs->sr_ref = NULL;
				}
				rs->sr_err = LDAP_REFERRAL;
			}
			mdb_entry_return( op, e );
			e = NULL;

		} else {
			rs->sr_ref = referral_rewrite( default_referral,
				NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
			rs->sr_err = rs->sr_ref ? LDAP_REFERRAL : LDAP_NO_SUCH_OBJECT;
		}

		rs->sr_flags = REP_MATCHED_MUSTBEFREED | REP_REF_MUSTBEFREED;
		send_ldap_result( op, rs );
		goto done;
	}

	if (!manageDSAit && is_entry_referral( e ) ) {
		/* return referral only if "disclose" is granted on the object */
		if ( !access_allowed( op, e, slap_schema.si_ad_entry,
			NULL, ACL_DISCLOSE, NULL ) )
		{
			rs->sr_err = LDAP_NO_SUCH_OBJECT;
		} else {
			/* entry is a referral, don't allow compare */
			rs->sr_ref = get_entry_referrals( op, e );
			rs->sr_err = LDAP_REFERRAL;
			rs->sr_matched = e->e_name.bv_val;
		}

		Debug( LDAP_DEBUG_TRACE, "entry is referral\n", 0, 0, 0 );

		send_ldap_result( op, rs );

		ber_bvarray_free( rs->sr_ref );
		rs->sr_ref = NULL;
		rs->sr_matched = NULL;
		goto done;
	}

	rs->sr_err = slap_compare_entry( op, e, op->orc_ava );

return_results:
	send_ldap_result( op, rs );

	switch ( rs->sr_err ) {
	case LDAP_COMPARE_FALSE:
	case LDAP_COMPARE_TRUE:
		rs->sr_err = LDAP_SUCCESS;
		break;
	}

done:
	if ( moi == &opinfo ) {
		mdb_txn_reset( moi->moi_txn );
		LDAP_SLIST_REMOVE( &op->o_extra, &moi->moi_oe, OpExtra, oe_next );
	} else {
		moi->moi_ref--;
	}
	/* free entry */
	if ( e != NULL ) {
		mdb_entry_return( op, e );
	}

	return rs->sr_err;
}