Example #1
0
int
wt_compare( Operation *op, SlapReply *rs )
{
    struct wt_info *wi = (struct wt_info *) op->o_bd->be_private;
	Entry *e = NULL;
	int manageDSAit = get_manageDSAit( op );
	int rc;
	wt_ctx *wc = NULL;

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

	wc = wt_ctx_get(op, wi);
	if( !wc ){
		Debug( LDAP_DEBUG_ANY,
			   LDAP_XSTRING(wt_compare)
			   ": wt_ctx_get failed\n",
			   0, 0, 0 );
		rs->sr_err = LDAP_OTHER;
		rs->sr_text = "internal error";
        send_ldap_result( op, rs );
        return rs->sr_err;
	}

	rs->sr_err = wt_dn2entry(op->o_bd, wc, &op->o_req_ndn, &e);
	switch( rs->sr_err ) {
	case 0:
	case WT_NOTFOUND:
		break;
	default:
		rs->sr_err = LDAP_OTHER;
		rs->sr_text = "internal error";
		goto return_results;
	}

	if ( rs->sr_err == WT_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;
			}
			wt_entry_return( 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 ( e != NULL ) {
		wt_entry_return( e );
	}
    return rs->sr_err;
}
Example #2
0
static int
dds_op_extended( Operation *op, SlapReply *rs )
{
	slap_overinst	*on = (slap_overinst *)op->o_bd->bd_info;
	dds_info_t	*di = on->on_bi.bi_private;

	if ( DDS_OFF( di ) ) {
		return SLAP_CB_CONTINUE;
	}

	if ( bvmatch( &op->ore_reqoid, &slap_EXOP_REFRESH ) ) {
		Entry		*e = NULL;
		time_t		ttl;
		BackendDB	db = *op->o_bd;
		SlapReply	rs2 = { REP_RESULT };
		Operation	op2 = *op;
		slap_callback	sc = { 0 };
		Modifications	ttlmod = { { 0 } };
		struct berval	ttlvalues[ 2 ];
		char		ttlbuf[STRLENOF("31557600") + 1];

		rs->sr_err = slap_parse_refresh( op->ore_reqdata, NULL, &ttl,
			&rs->sr_text, NULL );
		assert( rs->sr_err == LDAP_SUCCESS );

		if ( ttl <= 0 || ttl > DDS_RF2589_MAX_TTL ) {
			rs->sr_err = LDAP_PROTOCOL_ERROR;
			rs->sr_text = "invalid time-to-live for dynamicObject";
			return rs->sr_err;
		}

		if ( ttl > di->di_max_ttl ) {
			/* FIXME: I don't understand if this has to be an error,
			 * or an indication that the requested Ttl has been
			 * shortened to di->di_max_ttl >= 1 day */
			rs->sr_err = LDAP_SIZELIMIT_EXCEEDED;
			rs->sr_text = "time-to-live for dynamicObject exceeds limit";
			return rs->sr_err;
		}

		if ( di->di_min_ttl && ttl < di->di_min_ttl ) {
			ttl = di->di_min_ttl;
		}

		/* This does not apply to multi-master case */
		if ( !( !SLAP_SINGLE_SHADOW( op->o_bd ) || be_isupdate( op ) ) ) {
			/* we SHOULD return a referral in this case */
			BerVarray defref = op->o_bd->be_update_refs
				? op->o_bd->be_update_refs : default_referral;

			if ( defref != NULL ) {
				rs->sr_ref = referral_rewrite( op->o_bd->be_update_refs,
					NULL, NULL, LDAP_SCOPE_DEFAULT );
				if ( rs->sr_ref ) {
					rs->sr_flags |= REP_REF_MUSTBEFREED;
				} else {
					rs->sr_ref = defref;
				}
				rs->sr_err = LDAP_REFERRAL;

			} else {
				rs->sr_text = "shadow context; no update referral";
				rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
			}

			return rs->sr_err;
		}

		assert( !BER_BVISNULL( &op->o_req_ndn ) );



		/* check if exists but not dynamicObject */
		op->o_bd->bd_info = (BackendInfo *)on->on_info;
		rs->sr_err = be_entry_get_rw( op, &op->o_req_ndn,
			slap_schema.si_oc_dynamicObject, NULL, 0, &e );
		if ( rs->sr_err != LDAP_SUCCESS ) {
			rs->sr_err = be_entry_get_rw( op, &op->o_req_ndn,
				NULL, NULL, 0, &e );
			if ( rs->sr_err == LDAP_SUCCESS && 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_err = LDAP_OBJECT_CLASS_VIOLATION;
					rs->sr_text = "refresh operation only applies to dynamic objects";
				}
				be_entry_release_r( op, e );

			} else {
				rs->sr_err = LDAP_NO_SUCH_OBJECT;
			}
			return rs->sr_err;

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

		/* we require manage privileges on the entryTtl,
		 * and fake a Relax control */
		op2.o_tag = LDAP_REQ_MODIFY;
		op2.o_bd = &db;
		db.bd_info = (BackendInfo *)on->on_info;
		op2.o_callback = &sc;
		sc.sc_response = slap_null_cb;
		op2.o_relax = SLAP_CONTROL_CRITICAL;
		op2.orm_modlist = &ttlmod;

		ttlmod.sml_op = LDAP_MOD_REPLACE;
		ttlmod.sml_flags = SLAP_MOD_MANAGING;
		ttlmod.sml_desc = slap_schema.si_ad_entryTtl;
		ttlmod.sml_values = ttlvalues;
		ttlmod.sml_numvals = 1;
		ttlvalues[ 0 ].bv_val = ttlbuf;
		ttlvalues[ 0 ].bv_len = snprintf( ttlbuf, sizeof( ttlbuf ), "%ld", ttl );
		BER_BVZERO( &ttlvalues[ 1 ] );

		/* the entryExpireTimestamp is added by modify */
		rs->sr_err = slap_biglock_call_be( op_modify, &op2, &rs2 );

		if ( ttlmod.sml_next != NULL ) {
			slap_mods_free( ttlmod.sml_next, 1 );
		}

		if ( rs->sr_err == LDAP_SUCCESS ) {
			int			rc;
			BerElementBuffer	berbuf;
			BerElement		*ber = (BerElement *)&berbuf;

			ber_init_w_nullc( ber, LBER_USE_DER );

			rc = ber_printf( ber, "{tiN}", LDAP_TAG_EXOP_REFRESH_RES_TTL, (int)ttl );

			if ( rc < 0 ) {
				rs->sr_err = LDAP_OTHER;
				rs->sr_text = "internal error";

			} else {
				(void)ber_flatten( ber, &rs->sr_rspdata );
				rs->sr_rspoid = ch_strdup( slap_EXOP_REFRESH.bv_val );

				Log3( LDAP_DEBUG_TRACE, LDAP_LEVEL_INFO,
					"%s REFRESH dn=\"%s\" TTL=%ld\n",
					op->o_log_prefix, op->o_req_ndn.bv_val, ttl );
			}

			ber_free_buf( ber );
		}

		return rs->sr_err;
	}

	return SLAP_CB_CONTINUE;
}
Example #3
0
static int
retcode_entry_response( Operation *op, SlapReply *rs, BackendInfo *bi, Entry *e )
{
	Attribute	*a;
	int		err;
	char		*next;
	int		disconnect = 0;

	if ( get_manageDSAit( op ) ) {
		return SLAP_CB_CONTINUE;
	}

	if ( !is_entry_objectclass_or_sub( e, oc_errAbsObject ) ) {
		return SLAP_CB_CONTINUE;
	}

	/* operation */
	a = attr_find( e->e_attrs, ad_errOp );
	if ( a != NULL ) {
		int		i,
				gotit = 0;
		struct berval	bv = BER_BVNULL;

		(void)retcode_op2str( op->o_tag, &bv );

		if ( BER_BVISNULL( &bv ) ) {
			return SLAP_CB_CONTINUE;
		}

		for ( i = 0; !BER_BVISNULL( &a->a_nvals[ i ] ); i++ ) {
			if ( bvmatch( &a->a_nvals[ i ], &bv ) ) {
				gotit = 1;
				break;
			}
		}

		if ( !gotit ) {
			return SLAP_CB_CONTINUE;
		}
	}

	/* disconnect */
	a = attr_find( e->e_attrs, ad_errDisconnect );
	if ( a != NULL ) {
		if ( bvmatch( &a->a_nvals[ 0 ], &slap_true_bv ) ) {
			return rs->sr_err = SLAPD_DISCONNECT;
		}
		disconnect = 1;
	}

	/* error code */
	a = attr_find( e->e_attrs, ad_errCode );
	if ( a == NULL ) {
		return SLAP_CB_CONTINUE;
	}
	err = strtol( a->a_nvals[ 0 ].bv_val, &next, 0 );
	if ( next == a->a_nvals[ 0 ].bv_val || next[ 0 ] != '\0' ) {
		return SLAP_CB_CONTINUE;
	}
	rs->sr_err = err;

	/* sleep time */
	a = attr_find( e->e_attrs, ad_errSleepTime );
	if ( a != NULL && a->a_nvals[ 0 ].bv_val[ 0 ] != '-' ) {
		int	sleepTime;

		if ( lutil_atoi( &sleepTime, a->a_nvals[ 0 ].bv_val ) == 0 ) {
			retcode_sleep( sleepTime );
		}
	}

	if ( rs->sr_err != LDAP_SUCCESS && !LDAP_API_ERROR( rs->sr_err )) {
		BackendDB	db = *op->o_bd,
				*o_bd = op->o_bd;
		void		*o_callback = op->o_callback;

		/* message text */
		a = attr_find( e->e_attrs, ad_errText );
		if ( a != NULL ) {
			rs->sr_text = a->a_vals[ 0 ].bv_val;
		}

		/* matched DN */
		a = attr_find( e->e_attrs, ad_errMatchedDN );
		if ( a != NULL ) {
			rs->sr_matched = a->a_vals[ 0 ].bv_val;
		}

		if ( bi == NULL ) {
			slap_overinst	*on = (slap_overinst *)op->o_bd->bd_info;

			bi = on->on_info->oi_orig;
		}

		db.bd_info = bi;
		op->o_bd = &db;
		op->o_callback = NULL;

		/* referral */
		if ( rs->sr_err == LDAP_REFERRAL ) {
			BerVarray	refs = default_referral;

			a = attr_find( e->e_attrs, slap_schema.si_ad_ref );
			if ( a != NULL ) {
				refs = a->a_vals;
			}
			rs->sr_ref = referral_rewrite( refs,
				NULL, &op->o_req_dn, op->oq_search.rs_scope );

			send_search_reference( op, rs );
			ber_bvarray_free( rs->sr_ref );
			rs->sr_ref = NULL;

		} else {
			a = attr_find( e->e_attrs, ad_errUnsolicitedOID );
			if ( a != NULL ) {
				struct berval	oid = BER_BVNULL,
						data = BER_BVNULL;
				ber_int_t	msgid = op->o_msgid;

				/* RFC 4511 unsolicited response */

				op->o_msgid = 0;

				oid = a->a_nvals[ 0 ];

				a = attr_find( e->e_attrs, ad_errUnsolicitedData );
				if ( a != NULL ) {
					data = a->a_nvals[ 0 ];
				}

				if ( strcmp( oid.bv_val, "0" ) == 0 ) {
					send_ldap_result( op, rs );

				} else {
					ber_tag_t	tag = op->o_tag;

					op->o_tag = LDAP_REQ_EXTENDED;
					rs->sr_rspoid = oid.bv_val;
					if ( !BER_BVISNULL( &data ) ) {
						rs->sr_rspdata = &data;
					}
					send_ldap_extended( op, rs );
					rs->sr_rspoid = NULL;
					rs->sr_rspdata = NULL;
					op->o_tag = tag;
				}
				op->o_msgid = msgid;

			} else {
				send_ldap_result( op, rs );
			}
		}

		rs->sr_text = NULL;
		rs->sr_matched = NULL;
		op->o_bd = o_bd;
		op->o_callback = o_callback;
	}

	if ( rs->sr_err != LDAP_SUCCESS ) {
		if ( disconnect ) {
			return rs->sr_err = SLAPD_DISCONNECT;
		}

		op->o_abandon = 1;
		return rs->sr_err;
	}

	return SLAP_CB_CONTINUE;
}
Example #4
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;
}
Example #5
0
int
fe_op_modrdn( Operation *op, SlapReply *rs )
{
	struct berval	dest_ndn = BER_BVNULL, dest_pndn, pdn = BER_BVNULL;
	BackendDB	*op_be, *bd = op->o_bd;
	ber_slen_t	diff;
	
	if( op->o_req_ndn.bv_len == 0 ) {
		Debug( LDAP_DEBUG_ANY, "%s do_modrdn: root dse!\n",
			op->o_log_prefix, 0, 0 );
		send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
			"cannot rename the root DSE" );
		goto cleanup;

	} else if ( bvmatch( &op->o_req_ndn, &frontendDB->be_schemandn ) ) {
		Debug( LDAP_DEBUG_ANY, "%s do_modrdn: subschema subentry: %s (%ld)\n",
			op->o_log_prefix, frontendDB->be_schemandn.bv_val, (long)frontendDB->be_schemandn.bv_len );

		send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
			"cannot rename subschema subentry" );
		goto cleanup;
	}

	if( op->orr_nnewSup ) {
		dest_pndn = *op->orr_nnewSup;
	} else {
		dnParent( &op->o_req_ndn, &dest_pndn );
	}
	build_new_dn( &dest_ndn, &dest_pndn, &op->orr_nnewrdn, op->o_tmpmemctx );

	diff = (ber_slen_t) dest_ndn.bv_len - (ber_slen_t) op->o_req_ndn.bv_len;
	if ( diff > 0 ? dnIsSuffix( &dest_ndn, &op->o_req_ndn )
		: diff < 0 && dnIsSuffix( &op->o_req_ndn, &dest_ndn ) )
	{
		send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
			diff > 0 ? "cannot place an entry below itself"
			: "cannot place an entry above itself" );
		goto cleanup;
	}

	/*
	 * We could be serving multiple database backends.  Select the
	 * appropriate one, or send a referral to our "referral server"
	 * if we don't hold it.
	 */
	op->o_bd = select_backend( &op->o_req_ndn, 1 );
	if ( op->o_bd == NULL ) {
		op->o_bd = bd;
		rs->sr_ref = referral_rewrite( default_referral,
			NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
		if (!rs->sr_ref) rs->sr_ref = default_referral;

		if ( rs->sr_ref != NULL ) {
			rs->sr_err = LDAP_REFERRAL;
			send_ldap_result( op, rs );

			if (rs->sr_ref != default_referral) ber_bvarray_free( rs->sr_ref );
		} else {
			send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
				"no global superior knowledge" );
		}
		goto cleanup;
	}

	/* If we've got a glued backend, check the real backend */
	op_be = op->o_bd;
	if ( SLAP_GLUE_INSTANCE( op->o_bd )) {
		op->o_bd = select_backend( &op->o_req_ndn, 0 );
	}

	/* check restrictions */
	if( backend_check_restrictions( op, rs, NULL ) != LDAP_SUCCESS ) {
		send_ldap_result( op, rs );
		goto cleanup;
	}

	/* check for referrals */
	if ( backend_check_referrals( op, rs ) != LDAP_SUCCESS ) {
		goto cleanup;
	}

	/* check that destination DN is in the same backend as source DN */
	if ( select_backend( &dest_ndn, 0 ) != op->o_bd ) {
			send_ldap_error( op, rs, LDAP_AFFECTS_MULTIPLE_DSAS,
				"cannot rename between DSAs" );
			goto cleanup;
	}

	/*
	 * do the modrdn if 1 && (2 || 3)
	 * 1) there is a modrdn function implemented in this backend;
	 * 2) this backend is master for what it holds;
	 * 3) it's a replica and the dn supplied is the update_ndn.
	 */
	if ( op->o_bd->be_modrdn ) {
		/* do the update here */
		int repl_user = be_isupdate( op );
		if ( !SLAP_SINGLE_SHADOW(op->o_bd) || repl_user )
		{
			op->o_bd = op_be;
			op->o_bd->be_modrdn( op, rs );

			if ( op->o_bd->be_delete ) {
				struct berval	org_req_dn = BER_BVNULL;
				struct berval	org_req_ndn = BER_BVNULL;
				struct berval	org_dn = BER_BVNULL;
				struct berval	org_ndn = BER_BVNULL;
				int		org_managedsait;

				org_req_dn = op->o_req_dn;
				org_req_ndn = op->o_req_ndn;
				org_dn = op->o_dn;
				org_ndn = op->o_ndn;
				org_managedsait = get_manageDSAit( op );
				op->o_dn = op->o_bd->be_rootdn;
				op->o_ndn = op->o_bd->be_rootndn;
				op->o_managedsait = SLAP_CONTROL_NONCRITICAL;

				while ( rs->sr_err == LDAP_SUCCESS &&
						op->o_delete_glue_parent ) {
					op->o_delete_glue_parent = 0;
					if ( !be_issuffix( op->o_bd, &op->o_req_ndn )) {
						slap_callback cb = { NULL };
						cb.sc_response = slap_null_cb;
						dnParent( &op->o_req_ndn, &pdn );
						op->o_req_dn = pdn;
						op->o_req_ndn = pdn;
						op->o_callback = &cb;
						op->o_bd->be_delete( op, rs );
					} else {
						break;
					}
				}
				op->o_managedsait = org_managedsait;
				op->o_dn = org_dn;
				op->o_ndn = org_ndn;
				op->o_req_dn = org_req_dn;
				op->o_req_ndn = org_req_ndn;
				op->o_delete_glue_parent = 0;
			}

		} else {
			BerVarray defref = op->o_bd->be_update_refs
				? op->o_bd->be_update_refs : default_referral;

			if ( defref != NULL ) {
				rs->sr_ref = referral_rewrite( defref,
					NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
				if (!rs->sr_ref) rs->sr_ref = defref;

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

				if (rs->sr_ref != defref) ber_bvarray_free( rs->sr_ref );
			} else {
				send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
					"shadow context; no update referral" );
			}
		}
	} else {
		send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
			"operation not supported within namingContext" );
	}

cleanup:;
	if ( dest_ndn.bv_val != NULL )
		ber_memfree_x( dest_ndn.bv_val, op->o_tmpmemctx );
	op->o_bd = bd;
	return rs->sr_err;
}
Example #6
0
int
fe_extended( Operation *op, SlapReply *rs )
{
	struct extop_list	*ext = NULL;
	struct berval		reqdata = BER_BVNULL;

	if (op->ore_reqdata) {
		reqdata = *op->ore_reqdata;
	}

	ext = find_extop(supp_ext_list, &op->ore_reqoid );
	if ( ext == NULL ) {
		Debug( LDAP_DEBUG_ANY, "%s do_extended: unsupported operation \"%s\"\n",
			op->o_log_prefix, op->ore_reqoid.bv_val, 0 );
		send_ldap_error( op, rs, LDAP_PROTOCOL_ERROR,
			"unsupported extended operation" );
		goto done;
	}

	op->ore_flags = ext->flags;

	Debug( LDAP_DEBUG_ARGS, "do_extended: oid=%s\n",
		op->ore_reqoid.bv_val, 0 ,0 );

	{ /* start of OpenLDAP extended operation */
		BackendDB	*bd = op->o_bd;

		rs->sr_err = (ext->ext_main)( op, rs );

		if( rs->sr_err != SLAPD_ABANDON ) {
			if ( rs->sr_err == LDAP_REFERRAL && rs->sr_ref == NULL ) {
				rs->sr_ref = referral_rewrite( default_referral,
					NULL, NULL, LDAP_SCOPE_DEFAULT );
				if ( !rs->sr_ref ) rs->sr_ref = default_referral;
				if ( !rs->sr_ref ) {
					rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
					rs->sr_text = "referral missing";
				}
			}

			if ( op->o_bd == NULL )
				op->o_bd = bd;
			send_ldap_extended( op, rs );

			if ( rs->sr_ref != default_referral ) {
				ber_bvarray_free( rs->sr_ref );
				rs->sr_ref = NULL;
			}
		}

		if ( rs->sr_rspoid != NULL ) {
			free( (char *)rs->sr_rspoid );
			rs->sr_rspoid = NULL;
		}

		if ( rs->sr_rspdata != NULL ) {
			ber_bvfree( rs->sr_rspdata );
			rs->sr_rspdata = NULL;
		}
	} /* end of OpenLDAP extended operation */

done:;
	return rs->sr_err;
}
Example #7
0
int
ldbm_back_bind(
    Backend		*be,
    Connection		*conn,
    Operation		*op,
    struct berval	*dn,
    struct berval	*ndn,
    int			method,
    struct berval	*cred,
    struct berval	*edn
)
{
	struct ldbminfo	*li = (struct ldbminfo *) be->be_private;
	Entry		*e;
	Attribute	*a;
	int		rc;
	Entry		*matched;
#ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_KBIND
	char		krbname[MAX_K_NAME_SZ + 1];
	AttributeDescription *krbattr = slap_schema.si_ad_krbName;
	AUTH_DAT	ad;
#endif

	AttributeDescription *password = slap_schema.si_ad_userPassword;

#ifdef NEW_LOGGING
	LDAP_LOG( BACK_LDBM, ENTRY, 
		"ldbm_back_bind: dn: %s.\n", dn->bv_val, 0, 0 );
#else
	Debug(LDAP_DEBUG_ARGS, "==> ldbm_back_bind: dn: %s\n", dn->bv_val, 0, 0);
#endif

	dn = ndn;

	/* grab giant lock for reading */
	ldap_pvt_thread_rdwr_rlock(&li->li_giant_rwlock);

	/* get entry with reader lock */
	if ( (e = dn2entry_r( be, dn, &matched )) == NULL ) {
		char *matched_dn = NULL;
		BerVarray refs = NULL;

		if( matched != NULL ) {
			matched_dn = ch_strdup( matched->e_dn );

			refs = is_entry_referral( matched )
				? get_entry_referrals( be, conn, op, matched )
				: NULL;

			cache_return_entry_r( &li->li_cache, matched );

		} else {
			refs = referral_rewrite( default_referral,
				NULL, dn, LDAP_SCOPE_DEFAULT );
		}

		ldap_pvt_thread_rdwr_runlock(&li->li_giant_rwlock);

		/* allow noauth binds */
		rc = 1;
		if ( method == LDAP_AUTH_SIMPLE ) {
			if ( be_isroot_pw( be, conn, dn, cred ) ) {
				ber_dupbv( edn, be_root_dn( be ) );
				rc = 0; /* front end will send result */

			} else if ( refs != NULL ) {
				send_ldap_result( conn, op, LDAP_REFERRAL,
					matched_dn, NULL, refs, NULL );

			} else {
				send_ldap_result( conn, op, LDAP_INVALID_CREDENTIALS,
					NULL, NULL, NULL, NULL );
			}

		} else if ( refs != NULL ) {
			send_ldap_result( conn, op, LDAP_REFERRAL,
				matched_dn, NULL, refs, NULL );

		} else {
			send_ldap_result( conn, op, LDAP_INVALID_CREDENTIALS,
				NULL, NULL, NULL, NULL );
		}

		if ( refs ) ber_bvarray_free( refs );
		if ( matched_dn ) free( matched_dn );
		return( rc );
	}

	ber_dupbv( edn, &e->e_name );

	/* check for deleted */

	if ( is_entry_alias( e ) ) {
		/* entry is an alias, don't allow bind */
#ifdef NEW_LOGGING
		LDAP_LOG( BACK_LDBM, INFO, 
			"ldbm_back_bind: entry (%s) is an alias.\n", e->e_dn, 0, 0 );
#else
		Debug( LDAP_DEBUG_TRACE, "entry is alias\n", 0,
		    0, 0 );
#endif


		send_ldap_result( conn, op, LDAP_ALIAS_PROBLEM,
		    NULL, "entry is alias", NULL, NULL );

		rc = 1;
		goto return_results;
	}

	if ( is_entry_referral( e ) ) {
		/* entry is a referral, don't allow bind */
		BerVarray refs = get_entry_referrals( be,
			conn, op, e );

#ifdef NEW_LOGGING
		LDAP_LOG( BACK_LDBM, INFO, 
			   "ldbm_back_bind: entry(%s) is a referral.\n", e->e_dn, 0, 0 );
#else
		Debug( LDAP_DEBUG_TRACE, "entry is referral\n", 0,
		    0, 0 );
#endif


		if( refs != NULL ) {
			send_ldap_result( conn, op, LDAP_REFERRAL,
				e->e_dn, NULL, refs, NULL );

		} else {
			send_ldap_result( conn, op, LDAP_INVALID_CREDENTIALS,
				NULL, NULL, NULL, NULL );
		}

		ber_bvarray_free( refs );

		rc = 1;
		goto return_results;
	}

	switch ( method ) {
	case LDAP_AUTH_SIMPLE:
		/* check for root dn/passwd */
		if ( be_isroot_pw( be, conn, dn, cred ) ) {
			/* front end will send result */
			if(edn->bv_val != NULL) free( edn->bv_val );
			ber_dupbv( edn, be_root_dn( be ) );
			rc = 0;
			goto return_results;
		}

		if ( ! access_allowed( be, conn, op, e,
			password, NULL, ACL_AUTH, NULL ) )
		{
			send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
				NULL, NULL, NULL, NULL );
			rc = 1;
			goto return_results;
		}

		if ( (a = attr_find( e->e_attrs, password )) == NULL ) {
			send_ldap_result( conn, op, LDAP_INAPPROPRIATE_AUTH,
			    NULL, NULL, NULL, NULL );

			/* stop front end from sending result */
			rc = 1;
			goto return_results;
		}

		if ( slap_passwd_check( conn, a, cred ) != 0 ) {
			send_ldap_result( conn, op, LDAP_INVALID_CREDENTIALS,
				NULL, NULL, NULL, NULL );
			/* stop front end from sending result */
			rc = 1;
			goto return_results;
		}

		rc = 0;
		break;

#ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_KBIND
	case LDAP_AUTH_KRBV41:
		if ( krbv4_ldap_auth( be, cred, &ad ) != LDAP_SUCCESS ) {
			send_ldap_result( conn, op, LDAP_INVALID_CREDENTIALS,
			    NULL, NULL, NULL, NULL );
			rc = 1;
			goto return_results;
		}

		if ( ! access_allowed( be, conn, op, e,
			krbattr, NULL, ACL_AUTH, NULL ) )
		{
			send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
				NULL, NULL, NULL, NULL );
			rc = 1;
			goto return_results;
		}

		sprintf( krbname, "%s%s%s@%s", ad.pname, *ad.pinst ? "."
		    : "", ad.pinst, ad.prealm );

		if ( (a = attr_find( e->e_attrs, krbattr )) == NULL ) {
			/*
			 * no krbname values present:  check against DN
			 */
			if ( strcasecmp( dn->bv_val, krbname ) == 0 ) {
				rc = 0;
				break;
			}
			send_ldap_result( conn, op, LDAP_INAPPROPRIATE_AUTH,
			    NULL, NULL, NULL, NULL );
			rc = 1;
			goto return_results;

		} else {	/* look for krbname match */
			struct berval	krbval;

			krbval.bv_val = krbname;
			krbval.bv_len = strlen( krbname );

			if ( value_find( a->a_desc, a->a_vals, &krbval ) != 0 ) {
				send_ldap_result( conn, op,
				    LDAP_INVALID_CREDENTIALS,
					NULL, NULL, NULL, NULL );
				rc = 1;
				goto return_results;
			}
		}
		rc = 0;
		break;

	case LDAP_AUTH_KRBV42:
		send_ldap_result( conn, op, LDAP_UNWILLING_TO_PERFORM,
			NULL, "Kerberos bind step 2 not supported",
			NULL, NULL );
		/* stop front end from sending result */
		rc = LDAP_UNWILLING_TO_PERFORM;
		goto return_results;
#endif

	default:
		send_ldap_result( conn, op, LDAP_STRONG_AUTH_NOT_SUPPORTED,
		    NULL, "authentication method not supported", NULL, NULL );
		rc = 1;
		goto return_results;
	}

return_results:;
	/* free entry and reader lock */
	cache_return_entry_r( &li->li_cache, e );
	ldap_pvt_thread_rdwr_runlock(&li->li_giant_rwlock);

	/* front end will send result on success (rc==0) */
	return( rc );
}
Example #8
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;
}
Example #9
0
int
do_add( Connection *conn, Operation *op )
{
	BerElement	*ber = op->o_ber;
	char		*last;
	struct berval dn = { 0, NULL };
	ber_len_t	len;
	ber_tag_t	tag;
	Entry		*e;
	Backend		*be;
	Modifications	*modlist = NULL;
	Modifications	**modtail = &modlist;
	Modifications	tmp;
	const char *text;
	int			rc = LDAP_SUCCESS;
	int	manageDSAit;
#ifdef LDAP_SLAPI
	Slapi_PBlock	*pb = NULL;
#endif /* LDAP_SLAPI */

#ifdef NEW_LOGGING
	LDAP_LOG( OPERATION, ENTRY, "do_add: conn %d enter\n", conn->c_connid,0,0 );
#else
	Debug( LDAP_DEBUG_TRACE, "do_add\n", 0, 0, 0 );
#endif
	/*
	 * Parse the add request.  It looks like this:
	 *
	 *	AddRequest := [APPLICATION 14] SEQUENCE {
	 *		name	DistinguishedName,
	 *		attrs	SEQUENCE OF SEQUENCE {
	 *			type	AttributeType,
	 *			values	SET OF AttributeValue
	 *		}
	 *	}
	 */

	/* get the name */
	if ( ber_scanf( ber, "{m", /*}*/ &dn ) == LBER_ERROR ) {
#ifdef NEW_LOGGING
		LDAP_LOG( OPERATION, ERR, 
			"do_add: conn %d ber_scanf failed\n", conn->c_connid,0,0 );
#else
		Debug( LDAP_DEBUG_ANY, "do_add: ber_scanf failed\n", 0, 0, 0 );
#endif
		send_ldap_disconnect( conn, op,
			LDAP_PROTOCOL_ERROR, "decoding error" );
		return -1;
	}

	e = (Entry *) ch_calloc( 1, sizeof(Entry) );

	rc = dnPrettyNormal( NULL, &dn, &e->e_name, &e->e_nname );

	if( rc != LDAP_SUCCESS ) {
#ifdef NEW_LOGGING
		LDAP_LOG( OPERATION, ERR, 
			"do_add: conn %d invalid dn (%s)\n", conn->c_connid, dn.bv_val, 0 );
#else
		Debug( LDAP_DEBUG_ANY, "do_add: invalid dn (%s)\n", dn.bv_val, 0, 0 );
#endif
		send_ldap_result( conn, op, rc = LDAP_INVALID_DN_SYNTAX, NULL,
			    "invalid DN", NULL, NULL );
		goto done;
	}

#ifdef NEW_LOGGING
	LDAP_LOG( OPERATION, ARGS, 
		"do_add: conn %d  dn (%s)\n", conn->c_connid, e->e_dn, 0 );
#else
	Debug( LDAP_DEBUG_ARGS, "do_add: dn (%s)\n", e->e_dn, 0, 0 );
#endif

	/* get the attrs */
	for ( tag = ber_first_element( ber, &len, &last ); tag != LBER_DEFAULT;
	    tag = ber_next_element( ber, &len, last ) )
	{
		Modifications *mod;
		ber_tag_t rtag;

		rtag = ber_scanf( ber, "{m{W}}", &tmp.sml_type, &tmp.sml_bvalues );

		if ( rtag == LBER_ERROR ) {
#ifdef NEW_LOGGING
			LDAP_LOG( OPERATION, ERR, 
				   "do_add: conn %d	 decoding error \n", conn->c_connid, 0, 0 );
#else
			Debug( LDAP_DEBUG_ANY, "do_add: decoding error\n", 0, 0, 0 );
#endif
			send_ldap_disconnect( conn, op,
				LDAP_PROTOCOL_ERROR, "decoding error" );
			rc = -1;
			goto done;
		}

		if ( tmp.sml_bvalues == NULL ) {
#ifdef NEW_LOGGING
			LDAP_LOG( OPERATION, INFO, 
				"do_add: conn %d	 no values for type %s\n",
				conn->c_connid, tmp.sml_type.bv_val, 0 );
#else
			Debug( LDAP_DEBUG_ANY, "no values for type %s\n",
				tmp.sml_type.bv_val, 0, 0 );
#endif
			send_ldap_result( conn, op, rc = LDAP_PROTOCOL_ERROR,
				NULL, "no values for attribute type", NULL, NULL );
			goto done;
		}
		mod  = (Modifications *) ch_malloc( sizeof(Modifications) );
		
		mod->sml_op = LDAP_MOD_ADD;
		mod->sml_next = NULL;
		mod->sml_desc = NULL;
		mod->sml_type = tmp.sml_type;
		mod->sml_bvalues = tmp.sml_bvalues;

		*modtail = mod;
		modtail = &mod->sml_next;
	}

	if ( ber_scanf( ber, /*{*/ "}") == LBER_ERROR ) {
#ifdef NEW_LOGGING
		LDAP_LOG( OPERATION, ERR, 
			"do_add: conn %d ber_scanf failed\n", conn->c_connid, 0, 0 );
#else
		Debug( LDAP_DEBUG_ANY, "do_add: ber_scanf failed\n", 0, 0, 0 );
#endif
		send_ldap_disconnect( conn, op,
			LDAP_PROTOCOL_ERROR, "decoding error" );
		rc = -1;
		goto done;
	}

	if( (rc = get_ctrls( conn, op, 1 )) != LDAP_SUCCESS ) {
#ifdef NEW_LOGGING
		LDAP_LOG( OPERATION, INFO, 
			"do_add: conn %d get_ctrls failed\n", conn->c_connid, 0, 0 );
#else
		Debug( LDAP_DEBUG_ANY, "do_add: get_ctrls failed\n", 0, 0, 0 );
#endif
		goto done;
	} 

	if ( modlist == NULL ) {
		send_ldap_result( conn, op, rc = LDAP_PROTOCOL_ERROR,
			NULL, "no attributes provided", NULL, NULL );
		goto done;
	}

	Statslog( LDAP_DEBUG_STATS, "conn=%lu op=%lu ADD dn=\"%s\"\n",
	    op->o_connid, op->o_opid, e->e_dn, 0, 0 );

	if( e->e_nname.bv_len == 0 ) {
		/* protocolError may be a more appropriate error */
		send_ldap_result( conn, op, rc = LDAP_ALREADY_EXISTS,
			NULL, "root DSE already exists",
			NULL, NULL );
		goto done;

	} else if ( bvmatch( &e->e_nname, &global_schemandn ) ) {
		send_ldap_result( conn, op, rc = LDAP_ALREADY_EXISTS,
			NULL, "subschema subentry already exists",
			NULL, NULL );
		goto done;
	}

	manageDSAit = get_manageDSAit( op );

	/*
	 * We could be serving multiple database backends.  Select the
	 * appropriate one, or send a referral to our "referral server"
	 * if we don't hold it.
	 */
	be = select_backend( &e->e_nname, manageDSAit, 0 );
	if ( be == NULL ) {
		BerVarray ref = referral_rewrite( default_referral,
			NULL, &e->e_name, LDAP_SCOPE_DEFAULT );
		if ( ref == NULL ) ref = default_referral;
		if ( ref != NULL ) {
			send_ldap_result( conn, op, rc = LDAP_REFERRAL,
				NULL, NULL, ref, NULL );

			if ( ref != default_referral ) ber_bvarray_free( ref );
		} else {
			send_ldap_result( conn, op,
					rc = LDAP_UNWILLING_TO_PERFORM,
					NULL, "referral missing", NULL, NULL );
		}
		goto done;
	}

	/* check restrictions */
	rc = backend_check_restrictions( be, conn, op, NULL, &text ) ;
	if( rc != LDAP_SUCCESS ) {
		send_ldap_result( conn, op, rc,
			NULL, text, NULL, NULL );
		goto done;
	}

	/* check for referrals */
	rc = backend_check_referrals( be, conn, op, &e->e_name, &e->e_nname );
	if ( rc != LDAP_SUCCESS ) {
		goto done;
	}

#ifdef LDAP_SLAPI
	pb = initAddPlugin( be, conn, op, &dn, e, manageDSAit );
#endif /* LDAP_SLAPI */

	/*
	 * do the add if 1 && (2 || 3)
	 * 1) there is an add function implemented in this backend;
	 * 2) this backend is master for what it holds;
	 * 3) it's a replica and the dn supplied is the updatedn.
	 */
	if ( be->be_add ) {
		/* do the update here */
		int repl_user = be_isupdate(be, &op->o_ndn );
#ifndef SLAPD_MULTIMASTER
		if ( !be->be_update_ndn.bv_len || repl_user )
#endif
		{
			int update = be->be_update_ndn.bv_len;
			char textbuf[SLAP_TEXT_BUFLEN];
			size_t textlen = sizeof textbuf;

			rc = slap_mods_check( modlist, update, &text,
				textbuf, textlen );

			if( rc != LDAP_SUCCESS ) {
				send_ldap_result( conn, op, rc,
					NULL, text, NULL, NULL );
				goto done;
			}

			if ( !repl_user ) {
				for( modtail = &modlist;
					*modtail != NULL;
					modtail = &(*modtail)->sml_next )
				{
					assert( (*modtail)->sml_op == LDAP_MOD_ADD );
					assert( (*modtail)->sml_desc != NULL );
				}
				rc = slap_mods_opattrs( be, op, modlist, modtail, &text,
					textbuf, textlen );
				if( rc != LDAP_SUCCESS ) {
					send_ldap_result( conn, op, rc,
						NULL, text, NULL, NULL );
					goto done;
				}
			}

			rc = slap_mods2entry( modlist, &e, repl_user, &text,
				textbuf, textlen );
			if( rc != LDAP_SUCCESS ) {
				send_ldap_result( conn, op, rc,
					NULL, text, NULL, NULL );
				goto done;
			}

#ifdef LDAP_SLAPI
			/*
			 * Call the preoperation plugin here, because the entry
			 * will actually contain something.
			 */
			rc = doPreAddPluginFNs( be, pb );
			if ( rc != LDAP_SUCCESS ) {
				/* plugin will have sent result */
				goto done;
			}
#endif /* LDAP_SLAPI */

			if ( (*be->be_add)( be, conn, op, e ) == 0 ) {
#ifdef SLAPD_MULTIMASTER
				if ( !repl_user )
#endif
				{
					replog( be, op, &e->e_name, &e->e_nname, e );
				}
				be_entry_release_w( be, conn, op, e );
				e = NULL;
			}

#ifndef SLAPD_MULTIMASTER
		} else {
			BerVarray defref;
			BerVarray ref;
#ifdef LDAP_SLAPI
			/*
			 * SLAPI_ADD_ENTRY will be empty, but this may be acceptable
			 * on replicas (for now, it involves the minimum code intrusion).
			 */
			rc = doPreAddPluginFNs( be, pb );
			if ( rc != LDAP_SUCCESS ) {
				/* plugin will have sent result */
				goto done;
			}
#endif /* LDAP_SLAPI */

			defref = be->be_update_refs
				? be->be_update_refs : default_referral;

			if ( defref ) {
				ref = referral_rewrite( defref,
					NULL, &e->e_name, LDAP_SCOPE_DEFAULT );

				send_ldap_result( conn, op, rc = LDAP_REFERRAL,
						NULL, NULL,
						ref ? ref : defref, NULL );

				if ( ref ) ber_bvarray_free( ref );
			} else {
				send_ldap_result( conn, op,
						rc = LDAP_UNWILLING_TO_PERFORM,
						NULL, "referral missing",
						NULL, NULL );
			}
#endif /* SLAPD_MULTIMASTER */
		}
	} else {
#ifdef LDAP_SLAPI
	    rc = doPreAddPluginFNs( be, pb );
	    if ( rc != LDAP_SUCCESS ) {
		/* plugin will have sent result */
		goto done;
	    }
#endif
#ifdef NEW_LOGGING
	    LDAP_LOG( OPERATION, INFO, 
		       "do_add: conn %d	 no backend support\n", conn->c_connid, 0, 0 );
#else
	    Debug( LDAP_DEBUG_ARGS, "	 do_add: no backend support\n", 0, 0, 0 );
#endif
	    send_ldap_result( conn, op, rc = LDAP_UNWILLING_TO_PERFORM,
			      NULL, "operation not supported within namingContext", NULL, NULL );
	}

#ifdef LDAP_SLAPI
	doPostAddPluginFNs( be, pb );
#endif /* LDAP_SLAPI */

done:
	if( modlist != NULL ) {
		slap_mods_free( modlist );
	}
	if( e != NULL ) {
		entry_free( e );
	}

	return rc;
}
Example #10
0
int
ldbm_back_compare(
    Backend	*be,
    Connection	*conn,
    Operation	*op,
    struct berval	*dn,
    struct berval	*ndn,
    AttributeAssertion *ava
)
{
    struct ldbminfo	*li = (struct ldbminfo *) be->be_private;
    Entry		*matched;
    Entry		*e;
    Attribute	*a;
    int		rc;
    int		manageDSAit = get_manageDSAit( op );

    /* grab giant lock for reading */
    ldap_pvt_thread_rdwr_rlock(&li->li_giant_rwlock);

    /* get entry with reader lock */
    if ( (e = dn2entry_r( be, ndn, &matched )) == NULL ) {
        char *matched_dn = NULL;
        BerVarray refs = NULL;

        if ( matched != NULL ) {
            matched_dn = ch_strdup( matched->e_dn );
            refs = is_entry_referral( matched )
                   ? get_entry_referrals( be, conn, op, matched )
                   : NULL;
            cache_return_entry_r( &li->li_cache, matched );
        } else {
            refs = referral_rewrite( default_referral,
                                     NULL, dn, LDAP_SCOPE_DEFAULT );
        }

        ldap_pvt_thread_rdwr_runlock(&li->li_giant_rwlock);

        send_ldap_result( conn, op, LDAP_REFERRAL,
                          matched_dn, NULL, refs, NULL );

        if ( refs ) ber_bvarray_free( refs );
        free( matched_dn );

        return( 1 );
    }

    if (!manageDSAit && is_entry_referral( e ) ) {
        /* entry is a referral, don't allow add */
        BerVarray refs = get_entry_referrals( be,
                                              conn, op, e );

#ifdef NEW_LOGGING
        LDAP_LOG( BACK_LDBM, INFO,
                  "ldbm_back_compare: entry (%s) is a referral.\n", e->e_dn, 0, 0 );
#else
        Debug( LDAP_DEBUG_TRACE, "entry is referral\n", 0,
               0, 0 );
#endif


        send_ldap_result( conn, op, LDAP_REFERRAL,
                          e->e_dn, NULL, refs, NULL );

        if (refs ) ber_bvarray_free( refs );

        rc = 1;
        goto return_results;
    }

    if ( ! access_allowed( be, conn, op, e,
                           ava->aa_desc, &ava->aa_value, ACL_COMPARE, NULL ) )
    {
        send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
                          NULL, NULL, NULL, NULL );
        rc = 1;
        goto return_results;
    }

    rc = LDAP_NO_SUCH_ATTRIBUTE;

    for(a = attrs_find( e->e_attrs, ava->aa_desc );
            a != NULL;
            a = attrs_find( a->a_next, ava->aa_desc ))
    {
        rc = LDAP_COMPARE_FALSE;

        if ( value_find( ava->aa_desc, a->a_vals, &ava->aa_value ) == 0 ) {
            rc = LDAP_COMPARE_TRUE;
            break;
        }
    }

    send_ldap_result( conn, op, rc,
                      NULL, NULL, NULL, NULL );

    if( rc != LDAP_NO_SUCH_ATTRIBUTE ) {
        rc = 0;
    }


return_results:
    ;
    cache_return_entry_r( &li->li_cache, e );
    ldap_pvt_thread_rdwr_runlock(&li->li_giant_rwlock);
    return( rc );
}
Example #11
0
/*
 * selects the backend if not enforced at config;
 * in case of failure, behaves based on err:
 *	-1			don't send result
 *	LDAP_SUCCESS		don't send result; may send referral if dosend
 *	any valid error 	send as error result if dosend
 */
static BackendDB *
relay_back_select_backend( Operation *op, SlapReply *rs, slap_mask_t fail_mode )
{
	relay_back_info		*ri = (relay_back_info *)op->o_bd->be_private;
	BackendDB		*bd = ri->ri_bd;
	int			rc = ( fail_mode & RB_ERR_MASK );

	if ( bd == NULL && !BER_BVISNULL( &op->o_req_ndn ) ) {
		bd = select_backend( &op->o_req_ndn, 1 );
		if ( bd == op->o_bd ) {
			Debug( LDAP_DEBUG_ANY,
				"%s: back-relay for DN=\"%s\" would call self.\n",
				op->o_log_prefix, op->o_req_dn.bv_val, 0 );
			if ( fail_mode & RB_ERR ) {
				rs->sr_err = rc;
				if ( fail_mode & RB_SEND ) {
					send_ldap_result( op, rs );
				}
			}

			return NULL;
		}
	}

	if ( bd == NULL ) {
		if ( ( fail_mode & RB_REFERRAL )
			&& ( fail_mode & RB_SEND )
			&& !BER_BVISNULL( &op->o_req_ndn )
			&& default_referral )
		{
			rs->sr_err = LDAP_REFERRAL;

			/* if we set sr_err to LDAP_REFERRAL,
			 * we must provide one */
			rs->sr_ref = referral_rewrite(
				default_referral,
				NULL, &op->o_req_dn,
				LDAP_SCOPE_DEFAULT );
			if ( !rs->sr_ref ) {
				rs->sr_ref = default_referral;
			}

			send_ldap_result( op, rs );

			if ( rs->sr_ref != default_referral ) {
				ber_bvarray_free( rs->sr_ref );
			}

			return NULL;
		}

		/* NOTE: err is LDAP_INVALID_CREDENTIALS for bind,
		 * LDAP_NO_SUCH_OBJECT for other operations.
		 * noSuchObject cannot be returned by bind */
		rs->sr_err = rc;
		if ( fail_mode & RB_SEND ) {
			send_ldap_result( op, rs );
		}
	}

	return bd;
}
Example #12
0
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;
}
Example #13
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;
}
Example #14
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;
}
Example #15
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;
}
Example #16
0
int passwd_extop(
    Connection *conn, Operation *op,
    const char *reqoid,
    struct berval *reqdata,
    char **rspoid,
    struct berval **rspdata,
    LDAPControl ***rspctrls,
    const char **text,
    BerVarray *refs )
{
    Backend *be;
    int rc;

    assert( reqoid != NULL );
    assert( strcmp( LDAP_EXOP_MODIFY_PASSWD, reqoid ) == 0 );

    if( op->o_dn.bv_len == 0 ) {
        *text = "only authenticated users may change passwords";
        return LDAP_STRONG_AUTH_REQUIRED;
    }

    ldap_pvt_thread_mutex_lock( &conn->c_mutex );
    be = conn->c_authz_backend;
    ldap_pvt_thread_mutex_unlock( &conn->c_mutex );

    if( be && !be->be_extended ) {
        *text = "operation not supported for current user";
        return LDAP_UNWILLING_TO_PERFORM;
    }

    {
        struct berval passwd = BER_BVC( LDAP_EXOP_MODIFY_PASSWD );
        rc = backend_check_restrictions( be, conn, op, &passwd, text );
    }

    if( rc != LDAP_SUCCESS ) {
        return rc;
    }

    if( be == NULL ) {
#ifdef HAVE_CYRUS_SASL
        rc = slap_sasl_setpass( conn, op,
                                reqoid, reqdata,
                                rspoid, rspdata, rspctrls,
                                text );
#else
        *text = "no authz backend";
        rc = LDAP_OTHER;
#endif

#ifndef SLAPD_MULTIMASTER
        /* This does not apply to multi-master case */
    } else if( be->be_update_ndn.bv_len ) {
        /* we SHOULD return a referral in this case */
        *refs = referral_rewrite( be->be_update_refs,
                                  NULL, NULL, LDAP_SCOPE_DEFAULT );
        rc = LDAP_REFERRAL;
#endif /* !SLAPD_MULTIMASTER */

    } else {
        rc = be->be_extended(
                 be, conn, op,
                 reqoid, reqdata,
                 rspoid, rspdata, rspctrls,
                 text, refs );
    }

    return rc;
}
Example #17
0
int
bdb_referrals( Operation *op, SlapReply *rs )
{
	struct bdb_info *bdb = (struct bdb_info *) op->o_bd->be_private;
	Entry *e = NULL;
	EntryInfo *ei;
	int rc = LDAP_SUCCESS;

	DB_TXN		*rtxn;
	DB_LOCK		lock;

	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 = bdb_reader_get(op, bdb->bi_dbenv, &rtxn);
	switch(rc) {
	case 0:
		break;
	default:
		return LDAP_OTHER;
	}

dn2entry_retry:
	/* get entry */
	rc = bdb_dn2entry( op, rtxn, &op->o_req_ndn, &ei, 1, &lock );

	/* bdb_dn2entry() may legally leave ei == NULL
	 * if rc != 0 and rc != DB_NOTFOUND
	 */
	if ( ei ) {
		e = ei->bei_e;
	}

	switch(rc) {
	case DB_NOTFOUND:
	case 0:
		break;
	case LDAP_BUSY:
		rs->sr_text = "ldap server busy";
		return LDAP_BUSY;
	case DB_LOCK_DEADLOCK:
	case DB_LOCK_NOTGRANTED:
		goto dn2entry_retry;
	default:
		Debug( LDAP_DEBUG_TRACE,
			LDAP_XSTRING(bdb_referrals)
			": dn2entry failed: %s (%d)\n",
			db_strerror(rc), rc, 0 ); 
		rs->sr_text = "internal error";
		return LDAP_OTHER;
	}

	if ( rc == DB_NOTFOUND ) {
		rc = LDAP_SUCCESS;
		rs->sr_matched = NULL;
		if ( e != NULL ) {
			Debug( LDAP_DEBUG_TRACE,
				LDAP_XSTRING(bdb_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 );
				}
			}

			bdb_cache_return_entry_r (bdb, e, &lock);
			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;
		}
		return rc;
	}

	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(bdb_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 );
	}

	bdb_cache_return_entry_r(bdb, e, &lock);
	return rc;
}
Example #18
0
int
fe_op_modify( Operation *op, SlapReply *rs )
{
	BackendDB	*op_be, *bd = op->o_bd;
	char		textbuf[ SLAP_TEXT_BUFLEN ];
	size_t		textlen = sizeof( textbuf );
	
	if ( BER_BVISEMPTY( &op->o_req_ndn ) ) {
		Debug( LDAP_DEBUG_ANY, "%s do_modify: root dse!\n",
			op->o_log_prefix, 0, 0 );
		send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
			"modify upon the root DSE not supported" );
		goto cleanup;

	} else if ( bvmatch( &op->o_req_ndn, &frontendDB->be_schemandn ) ) {
		Debug( LDAP_DEBUG_ANY, "%s do_modify: subschema subentry!\n",
			op->o_log_prefix, 0, 0 );
		send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
			"modification of subschema subentry not supported" );
		goto cleanup;
	}

	/*
	 * We could be serving multiple database backends.  Select the
	 * appropriate one, or send a referral to our "referral server"
	 * if we don't hold it.
	 */
	op->o_bd = select_backend( &op->o_req_ndn, 1 );
	if ( op->o_bd == NULL ) {
		op->o_bd = bd;
		rs->sr_ref = referral_rewrite( default_referral,
			NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
		if ( !rs->sr_ref ) {
			rs->sr_ref = default_referral;
		}

		if ( rs->sr_ref != NULL ) {
			rs->sr_err = LDAP_REFERRAL;
			send_ldap_result( op, rs );

			if ( rs->sr_ref != default_referral ) {
				ber_bvarray_free( rs->sr_ref );
			}

		} else {
			send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
				"no global superior knowledge" );
		}
		goto cleanup;
	}

	/* If we've got a glued backend, check the real backend */
	op_be = op->o_bd;
	if ( SLAP_GLUE_INSTANCE( op->o_bd )) {
		op->o_bd = select_backend( &op->o_req_ndn, 0 );
	}

	/* check restrictions */
	if ( backend_check_restrictions( op, rs, NULL ) != LDAP_SUCCESS ) {
		send_ldap_result( op, rs );
		goto cleanup;
	}

	/* check for referrals */
	if ( backend_check_referrals( op, rs ) != LDAP_SUCCESS ) {
		goto cleanup;
	}

	rs->sr_err = slap_mods_obsolete_check( op, op->orm_modlist,
		&rs->sr_text, textbuf, textlen );
	if ( rs->sr_err != LDAP_SUCCESS ) {
		send_ldap_result( op, rs );
		goto cleanup;
	}

	/* check for modify/increment support */
	if ( op->orm_increment && !SLAP_INCREMENT( op->o_bd ) ) {
		send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
			"modify/increment not supported in context" );
		goto cleanup;
	}

	/*
	 * do the modify if 1 && (2 || 3)
	 * 1) there is a modify function implemented in this backend;
	 * 2) this backend is master for what it holds;
	 * 3) it's a replica and the dn supplied is the update_ndn.
	 */
	if ( op->o_bd->be_modify ) {
		/* do the update here */
		int repl_user = be_isupdate( op );

		/*
		 * Multimaster slapd does not have to check for replicator dn
		 * because it accepts each modify request
		 */
		if ( !SLAP_SINGLE_SHADOW(op->o_bd) || repl_user ) {
			int update = !BER_BVISEMPTY( &op->o_bd->be_update_ndn );

			op->o_bd = op_be;

			if ( !update ) {
				rs->sr_err = slap_mods_no_user_mod_check( op, op->orm_modlist,
					&rs->sr_text, textbuf, textlen );
				if ( rs->sr_err != LDAP_SUCCESS ) {
					send_ldap_result( op, rs );
					goto cleanup;
				}
			}
			op->o_bd->be_modify( op, rs );

		} else { /* send a referral */
			BerVarray defref = op->o_bd->be_update_refs
				? op->o_bd->be_update_refs : default_referral;
			if ( defref != NULL ) {
				rs->sr_ref = referral_rewrite( defref,
					NULL, &op->o_req_dn,
					LDAP_SCOPE_DEFAULT );
				if ( rs->sr_ref == NULL ) {
					/* FIXME: must duplicate, because
					 * overlays may muck with it */
					rs->sr_ref = defref;
				}
				rs->sr_err = LDAP_REFERRAL;
				send_ldap_result( op, rs );
				if ( rs->sr_ref != defref ) {
					ber_bvarray_free( rs->sr_ref );
				}

			} else {
				send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
					"shadow context; no update referral" );
			}
		}

	} else {
		send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
		    "operation not supported within namingContext" );
	}

cleanup:;
	op->o_bd = bd;
	return rs->sr_err;
}
Example #19
0
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;
}
Example #20
0
int passwd_extop(
	Operation *op,
	SlapReply *rs )
{
	struct berval id = {0, NULL}, hash, *rsp = NULL;
	req_pwdexop_s *qpw = &op->oq_pwdexop;
	req_extended_s qext = op->oq_extended;
	Modifications *ml;
	slap_callback cb = { NULL, slap_null_cb, NULL, NULL };
	int i, nhash;
	char **hashes, idNul;
	int rc;
	BackendDB *op_be;
	int freenewpw = 0;
	struct berval dn = BER_BVNULL, ndn = BER_BVNULL;

	assert( ber_bvcmp( &slap_EXOP_MODIFY_PASSWD, &op->ore_reqoid ) == 0 );

	if( op->o_dn.bv_len == 0 ) {
		Statslog( LDAP_DEBUG_STATS, "%s PASSMOD\n",
			op->o_log_prefix, 0, 0, 0, 0 );
		rs->sr_text = "only authenticated users may change passwords";
		return LDAP_STRONG_AUTH_REQUIRED;
	}

	qpw->rs_old.bv_len = 0;
	qpw->rs_old.bv_val = NULL;
	qpw->rs_new.bv_len = 0;
	qpw->rs_new.bv_val = NULL;
	qpw->rs_mods = NULL;
	qpw->rs_modtail = NULL;

	rs->sr_err = slap_passwd_parse( op->ore_reqdata, &id,
		&qpw->rs_old, &qpw->rs_new, &rs->sr_text );

	if ( !BER_BVISNULL( &id )) {
		idNul = id.bv_val[id.bv_len];
		id.bv_val[id.bv_len] = '\0';
	}
	if ( rs->sr_err == LDAP_SUCCESS && !BER_BVISEMPTY( &id ) ) {
		Statslog( LDAP_DEBUG_STATS, "%s PASSMOD id=\"%s\"%s%s\n",
			op->o_log_prefix, id.bv_val,
			qpw->rs_old.bv_val ? " old" : "",
			qpw->rs_new.bv_val ? " new" : "", 0 );
	} else {
		Statslog( LDAP_DEBUG_STATS, "%s PASSMOD%s%s\n",
			op->o_log_prefix,
			qpw->rs_old.bv_val ? " old" : "",
			qpw->rs_new.bv_val ? " new" : "", 0, 0 );
	}

	if ( rs->sr_err != LDAP_SUCCESS ) {
		if ( !BER_BVISNULL( &id ))
			id.bv_val[id.bv_len] = idNul;
		return rs->sr_err;
	}

	if ( !BER_BVISEMPTY( &id ) ) {
		rs->sr_err = dnPrettyNormal( NULL, &id, &dn, &ndn, op->o_tmpmemctx );
		id.bv_val[id.bv_len] = idNul;
		if ( rs->sr_err != LDAP_SUCCESS ) {
			rs->sr_text = "Invalid DN";
			rc = rs->sr_err;
			goto error_return;
		}
		op->o_req_dn = dn;
		op->o_req_ndn = ndn;
		op->o_bd = select_backend( &op->o_req_ndn, 1 );

	} else {
		ber_dupbv_x( &dn, &op->o_dn, op->o_tmpmemctx );
		ber_dupbv_x( &ndn, &op->o_ndn, op->o_tmpmemctx );
		op->o_req_dn = dn;
		op->o_req_ndn = ndn;
		ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
		op->o_bd = op->o_conn->c_authz_backend;
		ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
	}

	if( op->o_bd == NULL ) {
		if ( qpw->rs_old.bv_val != NULL ) {
			rs->sr_text = "unwilling to verify old password";
			rc = LDAP_UNWILLING_TO_PERFORM;
			goto error_return;
		}

#ifdef HAVE_CYRUS_SASL
		rc = slap_sasl_setpass( op, rs );
#else
		rs->sr_text = "no authz backend";
		rc = LDAP_OTHER;
#endif
		goto error_return;
	}

	if ( op->o_req_ndn.bv_len == 0 ) {
		rs->sr_text = "no password is associated with the Root DSE";
		rc = LDAP_UNWILLING_TO_PERFORM;
		goto error_return;
	}

	/* If we've got a glued backend, check the real backend */
	op_be = op->o_bd;
	if ( SLAP_GLUE_INSTANCE( op->o_bd )) {
		op->o_bd = select_backend( &op->o_req_ndn, 0 );
	}

	if (backend_check_restrictions( op, rs,
			(struct berval *)&slap_EXOP_MODIFY_PASSWD ) != LDAP_SUCCESS) {
		rc = rs->sr_err;
		goto error_return;
	}

	/* check for referrals */
	if ( backend_check_referrals( op, rs ) != LDAP_SUCCESS ) {
		rc = rs->sr_err;
		goto error_return;
	}

	/* This does not apply to multi-master case */
	if(!( !SLAP_SINGLE_SHADOW( op->o_bd ) || be_isupdate( op ))) {
		/* we SHOULD return a referral in this case */
		BerVarray defref = op->o_bd->be_update_refs
			? op->o_bd->be_update_refs : default_referral; 

		if( defref != NULL ) {
			rs->sr_ref = referral_rewrite( op->o_bd->be_update_refs,
				NULL, NULL, LDAP_SCOPE_DEFAULT );
			if(rs->sr_ref) {
				rs->sr_flags |= REP_REF_MUSTBEFREED;
			} else {
				rs->sr_ref = defref;
			}
			rc = LDAP_REFERRAL;
			goto error_return;

		}

		rs->sr_text = "shadow context; no update referral";
		rc = LDAP_UNWILLING_TO_PERFORM;
		goto error_return;
	}

	/* generate a new password if none was provided */
	if ( qpw->rs_new.bv_len == 0 ) {
		slap_passwd_generate( &qpw->rs_new );
		if ( qpw->rs_new.bv_len ) {
			rsp = slap_passwd_return( &qpw->rs_new );
			freenewpw = 1;
		}
	}
	if ( qpw->rs_new.bv_len == 0 ) {
		rs->sr_text = "password generation failed";
		rc = LDAP_OTHER;
		goto error_return;
	}

	op->o_bd = op_be;

	/* Give the backend a chance to handle this itself */
	if ( op->o_bd->be_extended ) {
		rs->sr_err = op->o_bd->be_extended( op, rs );
		if ( rs->sr_err != LDAP_UNWILLING_TO_PERFORM &&
			rs->sr_err != SLAP_CB_CONTINUE )
		{
			rc = rs->sr_err;
			if ( rsp ) {
				rs->sr_rspdata = rsp;
				rsp = NULL;
			}
			goto error_return;
		}
	}

	/* The backend didn't handle it, so try it here */
	if( op->o_bd && !op->o_bd->be_modify ) {
		rs->sr_text = "operation not supported for current user";
		rc = LDAP_UNWILLING_TO_PERFORM;
		goto error_return;
	}

	if ( qpw->rs_old.bv_val != NULL ) {
		Entry *e = NULL;

		rc = be_entry_get_rw( op, &op->o_req_ndn, NULL,
			slap_schema.si_ad_userPassword, 0, &e );
		if ( rc == LDAP_SUCCESS && e ) {
			Attribute *a = attr_find( e->e_attrs,
				slap_schema.si_ad_userPassword );
			if ( a )
				rc = slap_passwd_check( op, e, a, &qpw->rs_old, &rs->sr_text );
			else
				rc = 1;
			be_entry_release_r( op, e );
			if ( rc == LDAP_SUCCESS )
				goto old_good;
		}
		rs->sr_text = "unwilling to verify old password";
		rc = LDAP_UNWILLING_TO_PERFORM;
		goto error_return;
	}

old_good:
	ml = ch_malloc( sizeof(Modifications) );
	if ( !qpw->rs_modtail ) qpw->rs_modtail = &ml->sml_next;

	if ( default_passwd_hash ) {
		for ( nhash = 0; default_passwd_hash[nhash]; nhash++ );
		hashes = default_passwd_hash;
	} else {
		nhash = 1;
		hashes = (char **)defhash;
	}
	ml->sml_numvals = nhash;
	ml->sml_values = ch_malloc( (nhash+1)*sizeof(struct berval) );
	for ( i=0; hashes[i]; i++ ) {
		slap_passwd_hash_type( &qpw->rs_new, &hash, hashes[i], &rs->sr_text );
		if ( hash.bv_len == 0 ) {
			if ( !rs->sr_text ) {
				rs->sr_text = "password hash failed";
			}
			break;
		}
		ml->sml_values[i] = hash;
	}
	ml->sml_values[i].bv_val = NULL;
	ml->sml_nvalues = NULL;
	ml->sml_desc = slap_schema.si_ad_userPassword;
	ml->sml_type = ml->sml_desc->ad_cname;
	ml->sml_op = LDAP_MOD_REPLACE;
	ml->sml_flags = 0;
	ml->sml_next = qpw->rs_mods;
	qpw->rs_mods = ml;

	if ( hashes[i] ) {
		rs->sr_err = LDAP_OTHER;

	} else {
		slap_callback *sc = op->o_callback;

		op->o_tag = LDAP_REQ_MODIFY;
		op->o_callback = &cb;
		op->orm_modlist = qpw->rs_mods;
		op->orm_no_opattrs = 0;
		
		cb.sc_private = qpw;	/* let Modify know this was pwdMod,
					 * if it cares... */

		rs->sr_err = op->o_bd->be_modify( op, rs );

		/* be_modify() might have shuffled modifications */
		qpw->rs_mods = op->orm_modlist;

		if ( rs->sr_err == LDAP_SUCCESS ) {
			rs->sr_rspdata = rsp;

		} else if ( rsp ) {
			ber_bvfree( rsp );
			rsp = NULL;
		}
		op->o_tag = LDAP_REQ_EXTENDED;
		op->o_callback = sc;
	}

	rc = rs->sr_err;
	op->oq_extended = qext;

error_return:;
	if ( qpw->rs_mods ) {
		slap_mods_free( qpw->rs_mods, 1 );
	}
	if ( freenewpw ) {
		free( qpw->rs_new.bv_val );
	}
	if ( !BER_BVISNULL( &dn ) ) {
		op->o_tmpfree( dn.bv_val, op->o_tmpmemctx );
		BER_BVZERO( &op->o_req_dn );
	}
	if ( !BER_BVISNULL( &ndn ) ) {
		op->o_tmpfree( ndn.bv_val, op->o_tmpmemctx );
		BER_BVZERO( &op->o_req_ndn );
	}

	return rc;
}
Example #21
0
int
bdb_compare( Operation *op, SlapReply *rs )
{
	struct bdb_info *bdb = (struct bdb_info *) op->o_bd->be_private;
	Entry		*e = NULL;
	EntryInfo	*ei;
	Attribute	*a;
	int		manageDSAit = get_manageDSAit( op );

	BDB_LOCKER	locker;
	DB_LOCK		lock;

	rs->sr_err = LOCK_ID(bdb->bi_dbenv, &locker);
	switch(rs->sr_err) {
	case 0:
		break;
	default:
		send_ldap_error( op, rs, LDAP_OTHER, "internal error" );
		return rs->sr_err;
	}

dn2entry_retry:
	/* get entry */
	rs->sr_err = bdb_dn2entry( op, NULL, &op->o_req_ndn, &ei, 1,
		locker, &lock );

	switch( rs->sr_err ) {
	case DB_NOTFOUND:
	case 0:
		break;
	case LDAP_BUSY:
		rs->sr_text = "ldap server busy";
		goto return_results;
	case DB_LOCK_DEADLOCK:
	case DB_LOCK_NOTGRANTED:
		goto dn2entry_retry;
	default:
		rs->sr_err = LDAP_OTHER;
		rs->sr_text = "internal error";
		goto return_results;
	}

	e = ei->bei_e;
	if ( rs->sr_err == DB_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 );
				rs->sr_ref = is_entry_referral( e )
					? get_entry_referrals( op, e )
					: NULL;
				rs->sr_err = LDAP_REFERRAL;
			}

			bdb_cache_return_entry_r( bdb, e, &lock );
			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;
		}

		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 (!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;
	}

	if ( get_assert( op ) &&
		( test_filter( op, e, get_assertion( op )) != LDAP_COMPARE_TRUE ))
	{
		if ( !access_allowed( op, e, slap_schema.si_ad_entry,
			NULL, ACL_DISCLOSE, NULL ) )
		{
			rs->sr_err = LDAP_NO_SUCH_OBJECT;
		} else {
			rs->sr_err = LDAP_ASSERTION_FAILED;
		}
		goto return_results;
	}

	if ( !access_allowed( op, e, op->oq_compare.rs_ava->aa_desc,
		&op->oq_compare.rs_ava->aa_value, ACL_COMPARE, NULL ) )
	{
		/* return error 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_err = LDAP_INSUFFICIENT_ACCESS;
		}
		goto return_results;
	}

	rs->sr_err = LDAP_NO_SUCH_ATTRIBUTE;

	for ( a = attrs_find( e->e_attrs, op->oq_compare.rs_ava->aa_desc );
		a != NULL;
		a = attrs_find( a->a_next, op->oq_compare.rs_ava->aa_desc ) )
	{
		rs->sr_err = LDAP_COMPARE_FALSE;

		if ( attr_valfind( a,
			SLAP_MR_ATTRIBUTE_VALUE_NORMALIZED_MATCH |
				SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH,
			&op->oq_compare.rs_ava->aa_value, NULL,
			op->o_tmpmemctx ) == 0 )
		{
			rs->sr_err = LDAP_COMPARE_TRUE;
			break;
		}
	}

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:
	/* free entry */
	if ( e != NULL ) {
		bdb_cache_return_entry_r( bdb, e, &lock );
	}

	LOCK_ID_FREE ( bdb->bi_dbenv, locker );
	return rs->sr_err;
}
Example #22
0
static int
retcode_op_func( Operation *op, SlapReply *rs )
{
	slap_overinst	*on = (slap_overinst *)op->o_bd->bd_info;
	retcode_t	*rd = (retcode_t *)on->on_bi.bi_private;

	retcode_item_t	*rdi;
	struct berval		nrdn, npdn;

	slap_callback		*cb = NULL;

	/* sleep as required */
	retcode_sleep( rd->rd_sleep );

	if ( !dnIsSuffix( &op->o_req_ndn, &rd->rd_npdn ) ) {
		if ( RETCODE_INDIR( rd ) ) {
			switch ( op->o_tag ) {
			case LDAP_REQ_ADD:
				return retcode_op_add( op, rs );

			case LDAP_REQ_BIND:
				/* skip if rootdn */
				/* FIXME: better give the db a chance? */
				if ( be_isroot_pw( op ) ) {
					return LDAP_SUCCESS;
				}
				return retcode_op_internal( op, rs );

			case LDAP_REQ_SEARCH:
				if ( op->ors_scope == LDAP_SCOPE_BASE ) {
					rs->sr_err = retcode_op_internal( op, rs );
					switch ( rs->sr_err ) {
					case SLAP_CB_CONTINUE:
						if ( rs->sr_nentries == 0 ) {
							break;
						}
						rs->sr_err = LDAP_SUCCESS;
						/* fallthru */

					default:
						send_ldap_result( op, rs );
						break;
					}
					return rs->sr_err;
				}
				break;

			case LDAP_REQ_MODIFY:
			case LDAP_REQ_DELETE:
			case LDAP_REQ_MODRDN:
			case LDAP_REQ_COMPARE:
				return retcode_op_internal( op, rs );
			}
		}

		return SLAP_CB_CONTINUE;
	}

	if ( op->o_tag == LDAP_REQ_SEARCH
			&& op->ors_scope != LDAP_SCOPE_BASE
			&& op->o_req_ndn.bv_len == rd->rd_npdn.bv_len )
	{
		return retcode_send_onelevel( op, rs );
	}

	dnParent( &op->o_req_ndn, &npdn );
	if ( npdn.bv_len != rd->rd_npdn.bv_len ) {
		rs->sr_err = LDAP_NO_SUCH_OBJECT;
		rs->sr_matched = rd->rd_pdn.bv_val;
		send_ldap_result( op, rs );
		rs->sr_matched = NULL;
		return rs->sr_err;
	}

	dnRdn( &op->o_req_ndn, &nrdn );

	for ( rdi = rd->rd_item; rdi != NULL; rdi = rdi->rdi_next ) {
		struct berval	rdi_nrdn;

		dnRdn( &rdi->rdi_ndn, &rdi_nrdn );
		if ( dn_match( &nrdn, &rdi_nrdn ) ) {
			break;
		}
	}

	if ( rdi != NULL && rdi->rdi_mask != SN_DG_OP_ALL ) {
		retcode_op_e	o_tag = SN_DG_OP_NONE;

		switch ( op->o_tag ) {
		case LDAP_REQ_ADD:
			o_tag = SN_DG_OP_ADD;
			break;

		case LDAP_REQ_BIND:
			o_tag = SN_DG_OP_BIND;
			break;

		case LDAP_REQ_COMPARE:
			o_tag = SN_DG_OP_COMPARE;
			break;

		case LDAP_REQ_DELETE:
			o_tag = SN_DG_OP_DELETE;
			break;

		case LDAP_REQ_MODIFY:
			o_tag = SN_DG_OP_MODIFY;
			break;

		case LDAP_REQ_MODRDN:
			o_tag = SN_DG_OP_RENAME;
			break;

		case LDAP_REQ_SEARCH:
			o_tag = SN_DG_OP_SEARCH;
			break;

		case LDAP_REQ_EXTENDED:
			o_tag = SN_DG_EXTENDED;
			break;

		default:
			/* Should not happen */
			break;
		}

		if ( !( o_tag & rdi->rdi_mask ) ) {
			return SLAP_CB_CONTINUE;
		}
	}

	if ( rdi == NULL ) {
		rs->sr_matched = rd->rd_pdn.bv_val;
		rs->sr_err = LDAP_NO_SUCH_OBJECT;
		rs->sr_text = "retcode not found";

	} else {
		if ( rdi->rdi_flags & RDI_PRE_DISCONNECT ) {
			return rs->sr_err = SLAPD_DISCONNECT;
		}

		rs->sr_err = rdi->rdi_err;
		rs->sr_text = rdi->rdi_text.bv_val;
		rs->sr_matched = rdi->rdi_matched.bv_val;

		/* FIXME: we only honor the rdi_ref field in case rdi_err
		 * is LDAP_REFERRAL otherwise send_ldap_result() bails out */
		if ( rs->sr_err == LDAP_REFERRAL ) {
			BerVarray	ref;

			if ( rdi->rdi_ref != NULL ) {
				ref = rdi->rdi_ref;
			} else {
				ref = default_referral;
			}

			if ( ref != NULL ) {
				rs->sr_ref = referral_rewrite( ref,
					NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );

			} else {
				rs->sr_err = LDAP_OTHER;
				rs->sr_text = "bad referral object";
			}
		}

		retcode_sleep( rdi->rdi_sleeptime );
	}

	switch ( op->o_tag ) {
	case LDAP_REQ_EXTENDED:
		if ( rdi == NULL ) {
			break;
		}
		cb = ( slap_callback * )ch_malloc( sizeof( slap_callback ) );
		memset( cb, 0, sizeof( slap_callback ) );
		cb->sc_cleanup = retcode_cleanup_cb;
		op->o_callback = cb;
		break;

	default:
		if ( rdi && !BER_BVISNULL( &rdi->rdi_unsolicited_oid ) ) {
			ber_int_t	msgid = op->o_msgid;

			/* RFC 4511 unsolicited response */

			op->o_msgid = 0;
			if ( strcmp( rdi->rdi_unsolicited_oid.bv_val, "0" ) == 0 ) {
				send_ldap_result( op, rs );

			} else {
				ber_tag_t	tag = op->o_tag;

				op->o_tag = LDAP_REQ_EXTENDED;
				rs->sr_rspoid = rdi->rdi_unsolicited_oid.bv_val;
				if ( !BER_BVISNULL( &rdi->rdi_unsolicited_data ) ) {
					rs->sr_rspdata = &rdi->rdi_unsolicited_data;
				}
				send_ldap_extended( op, rs );
				rs->sr_rspoid = NULL;
				rs->sr_rspdata = NULL;
				op->o_tag = tag;

			}
			op->o_msgid = msgid;

		} else {
			send_ldap_result( op, rs );
		}

		if ( rs->sr_ref != NULL ) {
			ber_bvarray_free( rs->sr_ref );
			rs->sr_ref = NULL;
		}
		rs->sr_matched = NULL;
		rs->sr_text = NULL;

		if ( rdi && rdi->rdi_flags & RDI_POST_DISCONNECT ) {
			return rs->sr_err = SLAPD_DISCONNECT;
		}
		break;
	}

	return rs->sr_err;
}
Example #23
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;
}
Example #24
0
int
fe_op_delete( Operation *op, SlapReply *rs )
{
	struct berval	pdn = BER_BVNULL;
	BackendDB	*op_be, *bd = op->o_bd;
	
	/*
	 * We could be serving multiple database backends.  Select the
	 * appropriate one, or send a referral to our "referral server"
	 * if we don't hold it.
	 */
	op->o_bd = select_backend( &op->o_req_ndn, 1 );
	if ( op->o_bd == NULL ) {
		op->o_bd = bd;
		rs->sr_ref = referral_rewrite( default_referral,
			NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );

		if (!rs->sr_ref) rs->sr_ref = default_referral;
		if ( rs->sr_ref != NULL ) {
			rs->sr_err = LDAP_REFERRAL;
			send_ldap_result( op, rs );

			if (rs->sr_ref != default_referral) ber_bvarray_free( rs->sr_ref );
		} else {
			send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
				"no global superior knowledge" );
		}
		goto cleanup;
	}

	/* If we've got a glued backend, check the real backend */
	op_be = op->o_bd;
	if ( SLAP_GLUE_INSTANCE( op->o_bd )) {
		op->o_bd = select_backend( &op->o_req_ndn, 0 );
	}

	/* check restrictions */
	if( backend_check_restrictions( op, rs, NULL ) != LDAP_SUCCESS ) {
		send_ldap_result( op, rs );
		goto cleanup;
	}

	/* check for referrals */
	if( backend_check_referrals( op, rs ) != LDAP_SUCCESS ) {
		goto cleanup;
	}

	/*
	 * do the delete if 1 && (2 || 3)
	 * 1) there is a delete function implemented in this backend;
	 * 2) this backend is master for what it holds;
	 * 3) it's a replica and the dn supplied is the update_ndn.
	 */
	if ( op->o_bd->be_delete ) {
		/* do the update here */
		int repl_user = be_isupdate( op );
		if ( !SLAP_SINGLE_SHADOW(op->o_bd) || repl_user ) {
			struct berval	org_req_dn = BER_BVNULL;
			struct berval	org_req_ndn = BER_BVNULL;
			struct berval	org_dn = BER_BVNULL;
			struct berval	org_ndn = BER_BVNULL;
			int		org_managedsait;

			op->o_bd = op_be;
			op->o_bd->be_delete( op, rs );

			org_req_dn = op->o_req_dn;
			org_req_ndn = op->o_req_ndn;
			org_dn = op->o_dn;
			org_ndn = op->o_ndn;
			org_managedsait = get_manageDSAit( op );
			op->o_dn = op->o_bd->be_rootdn;
			op->o_ndn = op->o_bd->be_rootndn;
			op->o_managedsait = SLAP_CONTROL_NONCRITICAL;

			while ( rs->sr_err == LDAP_SUCCESS &&
				op->o_delete_glue_parent )
			{
				op->o_delete_glue_parent = 0;
				if ( !be_issuffix( op->o_bd, &op->o_req_ndn )) {
					slap_callback cb = { NULL, NULL, NULL, NULL };
					cb.sc_response = slap_null_cb;
					dnParent( &op->o_req_ndn, &pdn );
					op->o_req_dn = pdn;
					op->o_req_ndn = pdn;
					op->o_callback = &cb;
					op->o_bd->be_delete( op, rs );
				} else {
					break;
				}
			}

			op->o_managedsait = org_managedsait;
			op->o_dn = org_dn;
			op->o_ndn = org_ndn;
			op->o_req_dn = org_req_dn;
			op->o_req_ndn = org_req_ndn;
			op->o_delete_glue_parent = 0;

		} else {
			BerVarray defref = op->o_bd->be_update_refs
				? op->o_bd->be_update_refs : default_referral;

			if ( defref != NULL ) {
				rs->sr_ref = referral_rewrite( defref,
					NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
				if (!rs->sr_ref) rs->sr_ref = defref;
				rs->sr_err = LDAP_REFERRAL;
				send_ldap_result( op, rs );

				if (rs->sr_ref != defref) ber_bvarray_free( rs->sr_ref );

			} else {
				send_ldap_error( op, rs,
					LDAP_UNWILLING_TO_PERFORM,
					"shadow context; no update referral" );
			}
		}

	} else {
		send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
			"operation not supported within namingContext" );
	}

cleanup:;
	op->o_bd = bd;
	return rs->sr_err;
}
Example #25
0
int
bdb_compare( Operation *op, SlapReply *rs )
{
	struct bdb_info *bdb = (struct bdb_info *) op->o_bd->be_private;
	Entry		*e = NULL;
	EntryInfo	*ei;
	int		manageDSAit = get_manageDSAit( op );

	DB_TXN		*rtxn;
	DB_LOCK		lock;

	rs->sr_err = bdb_reader_get(op, bdb->bi_dbenv, &rtxn);
	switch(rs->sr_err) {
	case 0:
		break;
	default:
		send_ldap_error( op, rs, LDAP_OTHER, "internal error" );
		return rs->sr_err;
	}

dn2entry_retry:
	/* get entry */
	rs->sr_err = bdb_dn2entry( op, rtxn, &op->o_req_ndn, &ei, 1,
		&lock );

	switch( rs->sr_err ) {
	case DB_NOTFOUND:
	case 0:
		break;
	case LDAP_BUSY:
		rs->sr_text = "ldap server busy";
		goto return_results;
	case DB_LOCK_DEADLOCK:
	case DB_LOCK_NOTGRANTED:
		goto dn2entry_retry;
	default:
		rs->sr_err = LDAP_OTHER;
		rs->sr_text = "internal error";
		goto return_results;
	}

	e = ei->bei_e;
	if ( rs->sr_err == DB_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 );
				rs->sr_ref = is_entry_referral( e )
					? get_entry_referrals( op, e )
					: NULL;
				rs->sr_err = LDAP_REFERRAL;
			}

			bdb_cache_return_entry_r( bdb, e, &lock );
			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;
		}

		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 (!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:
	/* free entry */
	if ( e != NULL ) {
		bdb_cache_return_entry_r( bdb, e, &lock );
	}

	return rs->sr_err;
}
Example #26
0
int
ldbm_back_referrals(
    Backend	*be,
    Connection	*conn,
    Operation	*op,
    struct berval *dn,
    struct berval *ndn,
	const char **text )
{
	struct ldbminfo	*li = (struct ldbminfo *) be->be_private;
	int rc = LDAP_SUCCESS;
	Entry *e, *matched;

	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;
	} 

	/* grab giant lock for reading */
	ldap_pvt_thread_rdwr_rlock(&li->li_giant_rwlock);

	/* get entry with reader lock */
	e = dn2entry_r( be, ndn, &matched );
	if ( e == NULL ) {
		char *matched_dn = NULL;
		BerVarray refs = NULL;

		if ( matched != NULL ) {
			matched_dn = ch_strdup( matched->e_dn );

#ifdef NEW_LOGGING
			LDAP_LOG( BACK_LDBM, DETAIL1,
				"ldbm_back_referrals: op=%ld target=\"%s\" matched=\"%s\"\n",
				op->o_tag, dn->bv_val, matched_dn );
#else
			Debug( LDAP_DEBUG_TRACE,
				"ldbm_referrals: op=%ld target=\"%s\" matched=\"%s\"\n",
				op->o_tag, dn->bv_val, matched_dn );
#endif

			if( is_entry_referral( matched ) ) {
				rc = LDAP_OTHER;
				refs = get_entry_referrals( be, conn, op, matched );
			}

			cache_return_entry_r( &li->li_cache, matched );

		} else if ( default_referral != NULL ) {
			rc = LDAP_OTHER;
			refs = referral_rewrite( default_referral,
				NULL, dn, LDAP_SCOPE_DEFAULT );
		}

		ldap_pvt_thread_rdwr_runlock(&li->li_giant_rwlock);

		if( refs != NULL ) {
			/* send referrals */
			send_ldap_result( conn, op, rc = LDAP_REFERRAL,
				matched_dn, NULL, refs, NULL );
			ber_bvarray_free( refs );

		} else if ( rc != LDAP_SUCCESS ) {
			send_ldap_result( conn, op, rc, matched_dn,
				matched_dn ? "bad referral object" : "bad default referral",
				NULL, NULL );
		}

		if ( matched_dn ) free( matched_dn );
		return rc;
	}

	if ( is_entry_referral( e ) ) {
		/* entry is a referral */
		BerVarray refs = get_entry_referrals( be, conn, op, e );
		BerVarray rrefs = referral_rewrite(
			refs, &e->e_name, dn, LDAP_SCOPE_DEFAULT );

#ifdef NEW_LOGGING
		LDAP_LOG( BACK_LDBM, DETAIL1,
			"ldbm_referrals: op=%ld target=\"%s\" matched=\"%s\"\n",
			op->o_tag, dn->bv_val, e->e_dn );
#else
		Debug( LDAP_DEBUG_TRACE,
			"ldbm_referrals: op=%ld target=\"%s\" matched=\"%s\"\n",
			op->o_tag, dn->bv_val, e->e_dn );
#endif

		if( rrefs != NULL ) {
			send_ldap_result( conn, op, rc = LDAP_REFERRAL,
				e->e_dn, NULL, rrefs, NULL );

			ber_bvarray_free( rrefs );

		} else {
			send_ldap_result( conn, op, rc = LDAP_OTHER, e->e_dn,
				"bad referral object", NULL, NULL );
		}

		if( refs != NULL ) ber_bvarray_free( refs );
	}

	cache_return_entry_r( &li->li_cache, e );
	ldap_pvt_thread_rdwr_runlock(&li->li_giant_rwlock);

	return rc;
}
Example #27
0
int
fe_op_compare( Operation *op, SlapReply *rs )
{
	Entry			*entry = NULL;
	AttributeAssertion	*ava = op->orc_ava;
	BackendDB		*bd = op->o_bd;

	if( strcasecmp( op->o_req_ndn.bv_val, LDAP_ROOT_DSE ) == 0 ) {
		if( backend_check_restrictions( op, rs, NULL ) != LDAP_SUCCESS ) {
			send_ldap_result( op, rs );
			goto cleanup;
		}

		rs->sr_err = root_dse_info( op->o_conn, &entry, &rs->sr_text );
		if( rs->sr_err != LDAP_SUCCESS ) {
			send_ldap_result( op, rs );
			goto cleanup;
		}

	} else if ( bvmatch( &op->o_req_ndn, &frontendDB->be_schemandn ) ) {
		if( backend_check_restrictions( op, rs, NULL ) != LDAP_SUCCESS ) {
			send_ldap_result( op, rs );
			rs->sr_err = 0;
			goto cleanup;
		}

		rs->sr_err = schema_info( &entry, &rs->sr_text );
		if( rs->sr_err != LDAP_SUCCESS ) {
			send_ldap_result( op, rs );
			rs->sr_err = 0;
			goto cleanup;
		}
	}

	if( entry ) {
		rs->sr_err = slap_compare_entry( op, entry, ava );
		entry_free( entry );

		send_ldap_result( op, rs );

		if( rs->sr_err == LDAP_COMPARE_TRUE ||
			rs->sr_err == LDAP_COMPARE_FALSE )
		{
			rs->sr_err = LDAP_SUCCESS;
		}

		goto cleanup;
	}

	/*
	 * We could be serving multiple database backends.  Select the
	 * appropriate one, or send a referral to our "referral server"
	 * if we don't hold it.
	 */
	op->o_bd = select_backend( &op->o_req_ndn, 0 );
	if ( op->o_bd == NULL ) {
		rs->sr_ref = referral_rewrite( default_referral,
			NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );

		rs->sr_err = LDAP_REFERRAL;
		if (!rs->sr_ref) rs->sr_ref = default_referral;
		op->o_bd = bd;
		send_ldap_result( op, rs );

		if (rs->sr_ref != default_referral) ber_bvarray_free( rs->sr_ref );
		rs->sr_err = 0;
		goto cleanup;
	}

	/* check restrictions */
	if( backend_check_restrictions( op, rs, NULL ) != LDAP_SUCCESS ) {
		send_ldap_result( op, rs );
		goto cleanup;
	}

	/* check for referrals */
	if( backend_check_referrals( op, rs ) != LDAP_SUCCESS ) {
		goto cleanup;
	}

	if ( SLAP_SHADOW(op->o_bd) && get_dontUseCopy(op) ) {
		/* don't use shadow copy */
		send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
			"copy not used" );

	} else if ( ava->aa_desc == slap_schema.si_ad_entryDN ) {
		send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
			"entryDN compare not supported" );

	} else if ( ava->aa_desc == slap_schema.si_ad_subschemaSubentry ) {
		send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
			"subschemaSubentry compare not supported" );

#ifndef SLAP_COMPARE_IN_FRONTEND
	} else if ( ava->aa_desc == slap_schema.si_ad_hasSubordinates
		&& op->o_bd->be_has_subordinates )
	{
		int	rc, hasSubordinates = LDAP_SUCCESS;

		rc = be_entry_get_rw( op, &op->o_req_ndn, NULL, NULL, 0, &entry );
		if ( rc == 0 && entry ) {
			if ( ! access_allowed( op, entry,
				ava->aa_desc, &ava->aa_value, ACL_COMPARE, NULL ) )
			{	
				rc = rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
				
			} else {
				rc = rs->sr_err = op->o_bd->be_has_subordinates( op,
						entry, &hasSubordinates );
				be_entry_release_r( op, entry );
			}
		}

		if ( rc == 0 ) {
			int	asserted;

			asserted = bvmatch( &ava->aa_value, &slap_true_bv )
				? LDAP_COMPARE_TRUE : LDAP_COMPARE_FALSE;
			if ( hasSubordinates == asserted ) {
				rs->sr_err = LDAP_COMPARE_TRUE;

			} else {
				rs->sr_err = LDAP_COMPARE_FALSE;
			}

		} else {
			/* return error only if "disclose"
			 * is granted on the object */
			if ( backend_access( op, NULL, &op->o_req_ndn,
					slap_schema.si_ad_entry,
					NULL, ACL_DISCLOSE, NULL ) == LDAP_INSUFFICIENT_ACCESS )
			{
				rs->sr_err = LDAP_NO_SUCH_OBJECT;
			}
		}

		send_ldap_result( op, rs );

		if ( rc == 0 ) {
			rs->sr_err = LDAP_SUCCESS;
		}

	} else if ( op->o_bd->be_compare ) {
		rs->sr_err = op->o_bd->be_compare( op, rs );

#endif /* ! SLAP_COMPARE_IN_FRONTEND */
	} else {
		rs->sr_err = SLAP_CB_CONTINUE;
	}

	if ( rs->sr_err == SLAP_CB_CONTINUE ) {
		/* do our best to compare that AVA
		 * 
		 * NOTE: this code is used only
		 * if SLAP_COMPARE_IN_FRONTEND 
		 * is #define'd (it's not by default)
		 * or if op->o_bd->be_compare is NULL.
		 * 
		 * FIXME: one potential issue is that
		 * if SLAP_COMPARE_IN_FRONTEND overlays
		 * are not executed for compare. */
		BerVarray	vals = NULL;
		int		rc = LDAP_OTHER;

		rs->sr_err = backend_attribute( op, NULL, &op->o_req_ndn,
				ava->aa_desc, &vals, ACL_COMPARE );
		switch ( rs->sr_err ) {
		default:
			/* return error only if "disclose"
			 * is granted on the object */
			if ( backend_access( op, NULL, &op->o_req_ndn,
					slap_schema.si_ad_entry,
					NULL, ACL_DISCLOSE, NULL )
					== LDAP_INSUFFICIENT_ACCESS )
			{
				rs->sr_err = LDAP_NO_SUCH_OBJECT;
			}
			break;

		case LDAP_SUCCESS:
			if ( value_find_ex( op->oq_compare.rs_ava->aa_desc,
				SLAP_MR_ATTRIBUTE_VALUE_NORMALIZED_MATCH |
					SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH,
				vals, &ava->aa_value, op->o_tmpmemctx ) == 0 )
			{
				rs->sr_err = LDAP_COMPARE_TRUE;
				break;

			} else {
				rs->sr_err = LDAP_COMPARE_FALSE;
			}
			rc = LDAP_SUCCESS;
			break;
		}

		send_ldap_result( op, rs );

		if ( rc == 0 ) {
			rs->sr_err = LDAP_SUCCESS;
		}
		
		if ( vals ) {
			ber_bvarray_free_x( vals, op->o_tmpmemctx );
		}
	}

cleanup:;
	op->o_bd = bd;
	return rs->sr_err;
}
Example #28
0
int
fe_op_search( Operation *op, SlapReply *rs )
{
	BackendDB		*bd = op->o_bd;

	if ( op->ors_scope == LDAP_SCOPE_BASE ) {
		Entry *entry = NULL;

		if ( BER_BVISEMPTY( &op->o_req_ndn ) ) {
#ifdef LDAP_CONNECTIONLESS
			/* Ignore LDAPv2 CLDAP Root DSE queries */
			if (op->o_protocol == LDAP_VERSION2 && op->o_conn->c_is_udp) {
				goto return_results;
			}
#endif
			/* check restrictions */
			if( backend_check_restrictions( op, rs, NULL ) != LDAP_SUCCESS ) {
				send_ldap_result( op, rs );
				goto return_results;
			}

			rs->sr_err = root_dse_info( op->o_conn, &entry, &rs->sr_text );

		} else if ( bvmatch( &op->o_req_ndn, &frontendDB->be_schemandn ) ) {
			/* check restrictions */
			if( backend_check_restrictions( op, rs, NULL ) != LDAP_SUCCESS ) {
				send_ldap_result( op, rs );
				goto return_results;
			}

			rs->sr_err = schema_info( &entry, &rs->sr_text );
		}

		if( rs->sr_err != LDAP_SUCCESS ) {
			send_ldap_result( op, rs );
			goto return_results;

		} else if ( entry != NULL ) {
			if ( get_assert( op ) &&
				( test_filter( op, entry, get_assertion( op )) != LDAP_COMPARE_TRUE )) {
				rs->sr_err = LDAP_ASSERTION_FAILED;
				goto fail1;
			}

			rs->sr_err = test_filter( op, entry, op->ors_filter );

			if( rs->sr_err == LDAP_COMPARE_TRUE ) {
				/* note: we set no limits because either
				 * no limit is specified, or at least 1
				 * is specified, and we're going to return
				 * at most one entry */			
				op->ors_slimit = SLAP_NO_LIMIT;
				op->ors_tlimit = SLAP_NO_LIMIT;

				rs->sr_entry = entry;
				rs->sr_attrs = op->ors_attrs;
				rs->sr_operational_attrs = NULL;
				rs->sr_flags = 0;
				send_search_entry( op, rs );
				rs->sr_entry = NULL;
				rs->sr_operational_attrs = NULL;
			}
			rs->sr_err = LDAP_SUCCESS;
fail1:
			entry_free( entry );
			send_ldap_result( op, rs );
			goto return_results;
		}
	}

	if( BER_BVISEMPTY( &op->o_req_ndn ) && !BER_BVISEMPTY( &default_search_nbase ) ) {
		slap_sl_free( op->o_req_dn.bv_val, op->o_tmpmemctx );
		slap_sl_free( op->o_req_ndn.bv_val, op->o_tmpmemctx );

		ber_dupbv_x( &op->o_req_dn, &default_search_base, op->o_tmpmemctx );
		ber_dupbv_x( &op->o_req_ndn, &default_search_nbase, op->o_tmpmemctx );
	}

	/*
	 * We could be serving multiple database backends.  Select the
	 * appropriate one, or send a referral to our "referral server"
	 * if we don't hold it.
	 */

	op->o_bd = select_backend( &op->o_req_ndn, 1 );
	if ( op->o_bd == NULL ) {
		rs->sr_ref = referral_rewrite( default_referral,
			NULL, &op->o_req_dn, op->ors_scope );

		if (!rs->sr_ref) rs->sr_ref = default_referral;
		rs->sr_err = LDAP_REFERRAL;
		op->o_bd = bd;
		send_ldap_result( op, rs );

		if (rs->sr_ref != default_referral)
		ber_bvarray_free( rs->sr_ref );
		rs->sr_ref = NULL;
		goto return_results;
	}

	/* check restrictions */
	if( backend_check_restrictions( op, rs, NULL ) != LDAP_SUCCESS ) {
		send_ldap_result( op, rs );
		goto return_results;
	}

	/* check for referrals */
	if( backend_check_referrals( op, rs ) != LDAP_SUCCESS ) {
		goto return_results;
	}

	if ( SLAP_SHADOW(op->o_bd) && get_dontUseCopy(op) ) {
		/* don't use shadow copy */
		BerVarray defref = op->o_bd->be_update_refs
			? op->o_bd->be_update_refs : default_referral;

		if( defref != NULL ) {
			rs->sr_ref = referral_rewrite( defref,
				NULL, &op->o_req_dn, op->ors_scope );
			if( !rs->sr_ref) rs->sr_ref = defref;
			rs->sr_err = LDAP_REFERRAL;
			send_ldap_result( op, rs );

			if (rs->sr_ref != defref) ber_bvarray_free( rs->sr_ref );

		} else {
			send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
				"copy not used; no referral information available" );
		}

	} else if ( op->o_bd->be_search ) {
		if ( limits_check( op, rs ) == 0 ) {
			/* actually do the search and send the result(s) */
			(op->o_bd->be_search)( op, rs );
		}
		/* else limits_check() sends error */

	} else {
		send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
			"operation not supported within namingContext" );
	}

return_results:;
	op->o_bd = bd;
	return rs->sr_err;
}
Example #29
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;
}