Ejemplo n.º 1
0
int
meta_back_modify( Operation *op, SlapReply *rs )
{
	metainfo_t	*mi = ( metainfo_t * )op->o_bd->be_private;
	metatarget_t	*mt;
	metaconn_t	*mc;
	int		rc = 0;
	LDAPMod		**modv = NULL;
	LDAPMod		*mods = NULL;
	Modifications	*ml;
	int		candidate = -1, i;
	int		isupdate;
	struct berval	mdn = BER_BVNULL;
	struct berval	mapped;
	dncookie	dc;
	int		msgid;
	ldap_back_send_t	retrying = LDAP_BACK_RETRYING;
	LDAPControl	**ctrls = NULL;

	mc = meta_back_getconn( op, rs, &candidate, LDAP_BACK_SENDERR );
	if ( !mc || !meta_back_dobind( op, rs, mc, LDAP_BACK_SENDERR ) ) {
		return rs->sr_err;
	}

	assert( mc->mc_conns[ candidate ].msc_ld != NULL );

	/*
	 * Rewrite the modify dn, if needed
	 */
	mt = mi->mi_targets[ candidate ];
	dc.target = mt;
	dc.conn = op->o_conn;
	dc.rs = rs;
	dc.ctx = "modifyDN";

	if ( ldap_back_dn_massage( &dc, &op->o_req_dn, &mdn ) ) {
		send_ldap_result( op, rs );
		goto cleanup;
	}

	for ( i = 0, ml = op->orm_modlist; ml; i++ ,ml = ml->sml_next )
		;

	mods = ch_malloc( sizeof( LDAPMod )*i );
	if ( mods == NULL ) {
		rs->sr_err = LDAP_OTHER;
		send_ldap_result( op, rs );
		goto cleanup;
	}
	modv = ( LDAPMod ** )ch_malloc( ( i + 1 )*sizeof( LDAPMod * ) );
	if ( modv == NULL ) {
		rs->sr_err = LDAP_OTHER;
		send_ldap_result( op, rs );
		goto cleanup;
	}

	dc.ctx = "modifyAttrDN";
	isupdate = be_shadow_update( op );
	for ( i = 0, ml = op->orm_modlist; ml; ml = ml->sml_next ) {
		int	j, is_oc = 0;

		if ( !isupdate && !get_relax( op ) && ml->sml_desc->ad_type->sat_no_user_mod  )
		{
			continue;
		}

		if ( ml->sml_desc == slap_schema.si_ad_objectClass 
				|| ml->sml_desc == slap_schema.si_ad_structuralObjectClass )
		{
			is_oc = 1;
			mapped = ml->sml_desc->ad_cname;

		} else {
			ldap_back_map( &mt->mt_rwmap.rwm_at,
					&ml->sml_desc->ad_cname, &mapped,
					BACKLDAP_MAP );
			if ( BER_BVISNULL( &mapped ) || BER_BVISEMPTY( &mapped ) ) {
				continue;
			}
		}

		modv[ i ] = &mods[ i ];
		mods[ i ].mod_op = ml->sml_op | LDAP_MOD_BVALUES;
		mods[ i ].mod_type = mapped.bv_val;

		/*
		 * FIXME: dn-valued attrs should be rewritten
		 * to allow their use in ACLs at the back-ldap
		 * level.
		 */
		if ( ml->sml_values != NULL ) {
			if ( is_oc ) {
				for ( j = 0; !BER_BVISNULL( &ml->sml_values[ j ] ); j++ )
					;
				mods[ i ].mod_bvalues =
					(struct berval **)ch_malloc( ( j + 1 ) *
					sizeof( struct berval * ) );
				for ( j = 0; !BER_BVISNULL( &ml->sml_values[ j ] ); ) {
					struct ldapmapping	*mapping;

					ldap_back_mapping( &mt->mt_rwmap.rwm_oc,
							&ml->sml_values[ j ], &mapping, BACKLDAP_MAP );

					if ( mapping == NULL ) {
						if ( mt->mt_rwmap.rwm_oc.drop_missing ) {
							continue;
						}
						mods[ i ].mod_bvalues[ j ] = &ml->sml_values[ j ];

					} else {
						mods[ i ].mod_bvalues[ j ] = &mapping->dst;
					}
					j++;
				}
				mods[ i ].mod_bvalues[ j ] = NULL;

			} else {
				if ( ml->sml_desc->ad_type->sat_syntax ==
						slap_schema.si_syn_distinguishedName )
				{
					( void )ldap_dnattr_rewrite( &dc, ml->sml_values );
					if ( ml->sml_values == NULL ) {
						continue;
					}
				}

				for ( j = 0; !BER_BVISNULL( &ml->sml_values[ j ] ); j++ )
					;
				mods[ i ].mod_bvalues =
					(struct berval **)ch_malloc( ( j + 1 ) *
					sizeof( struct berval * ) );
				for ( j = 0; !BER_BVISNULL( &ml->sml_values[ j ] ); j++ ) {
					mods[ i ].mod_bvalues[ j ] = &ml->sml_values[ j ];
				}
				mods[ i ].mod_bvalues[ j ] = NULL;
			}

		} else {
			mods[ i ].mod_bvalues = NULL;
		}

		i++;
	}
	modv[ i ] = 0;

retry:;
	ctrls = op->o_ctrls;
	rc = meta_back_controls_add( op, rs, mc, candidate, &ctrls );
	if ( rc != LDAP_SUCCESS ) {
		send_ldap_result( op, rs );
		goto cleanup;
	}

	rs->sr_err = ldap_modify_ext( mc->mc_conns[ candidate ].msc_ld, mdn.bv_val,
			modv, ctrls, NULL, &msgid );
	rs->sr_err = meta_back_op_result( mc, op, rs, candidate, msgid,
		mt->mt_timeout[ SLAP_OP_MODIFY ], ( LDAP_BACK_SENDRESULT | retrying ) );
	if ( rs->sr_err == LDAP_UNAVAILABLE && retrying ) {
		retrying &= ~LDAP_BACK_RETRYING;
		if ( meta_back_retry( op, rs, &mc, candidate, LDAP_BACK_SENDERR ) ) {
			/* if the identity changed, there might be need to re-authz */
			(void)mi->mi_ldap_extra->controls_free( op, rs, &ctrls );
			goto retry;
		}
	}

cleanup:;
	(void)mi->mi_ldap_extra->controls_free( op, rs, &ctrls );

	if ( mdn.bv_val != op->o_req_dn.bv_val ) {
		free( mdn.bv_val );
		BER_BVZERO( &mdn );
	}
	if ( modv != NULL ) {
		for ( i = 0; modv[ i ]; i++ ) {
			free( modv[ i ]->mod_bvalues );
		}
	}
	free( mods );
	free( modv );

	if ( mc ) {
		meta_back_release_conn( mi, mc );
	}

	return rs->sr_err;
}
Ejemplo n.º 2
0
int
meta_back_delete( Operation *op, SlapReply *rs )
{
	metainfo_t	*mi = ( metainfo_t * )op->o_bd->be_private;
	metatarget_t	*mt;
	metaconn_t	*mc = NULL;
	int		candidate = -1;
	struct berval	mdn = BER_BVNULL;
	dncookie	dc;
	int		msgid;
	ldap_back_send_t	retrying = LDAP_BACK_RETRYING;
	LDAPControl	**ctrls = NULL;

	mc = meta_back_getconn( op, rs, &candidate, LDAP_BACK_SENDERR );
	if ( !mc || !meta_back_dobind( op, rs, mc, LDAP_BACK_SENDERR ) ) {
		return rs->sr_err;
	}

	assert( mc->mc_conns[ candidate ].msc_ld != NULL );
	ldap_pvt_thread_mutex_lock( &mc->mc_mutex );

	/*
	 * Rewrite the compare dn, if needed
	 */
	mt = mi->mi_targets[ candidate ];
	dc.target = mt;
	dc.conn = op->o_conn;
	dc.rs = rs;
	dc.ctx = "deleteDN";

	if ( ldap_back_dn_massage( &dc, &op->o_req_dn, &mdn ) ) {
		send_ldap_result( op, rs );
		goto cleanup;
	}

retry:;
	ctrls = op->o_ctrls;
	if ( meta_back_controls_add( op, rs, mc, candidate, &ctrls ) != LDAP_SUCCESS )
	{
		send_ldap_result( op, rs );
		goto cleanup;
	}

	rs->sr_err = ldap_delete_ext( mc->mc_conns[ candidate ].msc_ld,
			mdn.bv_val, ctrls, NULL, &msgid );
	rs->sr_err = meta_back_op_result( mc, op, rs, candidate, msgid,
		mt->mt_timeout[ SLAP_OP_DELETE ], ( LDAP_BACK_SENDRESULT | retrying ) );
	if ( rs->sr_err == LDAP_UNAVAILABLE && retrying ) {
		retrying &= ~LDAP_BACK_RETRYING;
		if ( meta_back_retry( op, rs, &mc, candidate, LDAP_BACK_SENDERR ) ) {
			/* if the identity changed, there might be need to re-authz */
			(void)mi->mi_ldap_extra->controls_free( op, rs, &ctrls );
			goto retry;
		}
	}

cleanup:;
	(void)mi->mi_ldap_extra->controls_free( op, rs, &ctrls );

	if ( mdn.bv_val != op->o_req_dn.bv_val ) {
		free( mdn.bv_val );
		BER_BVZERO( &mdn );
	}

	if ( mc ) {
		ldap_pvt_thread_mutex_unlock( &mc->mc_mutex );
		meta_back_release_conn( mi, mc );
	}

	return rs->sr_err;
}
Ejemplo n.º 3
0
int
meta_back_compare( Operation *op, SlapReply *rs )
{
	metainfo_t	*mi = ( metainfo_t * )op->o_bd->be_private;
	metatarget_t	*mt;
	metaconn_t	*mc;
	int		rc = 0;
	int		candidate = -1;
	struct berval	mdn = BER_BVNULL;
	dncookie	dc;
	struct berval	mapped_attr = op->orc_ava->aa_desc->ad_cname;
	struct berval	mapped_value = op->orc_ava->aa_value;
	int		msgid;
	ldap_back_send_t	retrying = LDAP_BACK_RETRYING;
	LDAPControl	**ctrls = NULL;

	mc = meta_back_getconn( op, rs, &candidate, LDAP_BACK_SENDERR );
	if ( !mc || !meta_back_dobind( op, rs, mc, LDAP_BACK_SENDERR ) ) {
		return rs->sr_err;
	}

	assert( mc->mc_conns[ candidate ].msc_ld != NULL );

	/*
	 * Rewrite the modify dn, if needed
	 */
	mt = mi->mi_targets[ candidate ];
	dc.target = mt;
	dc.conn = op->o_conn;
	dc.rs = rs;
	dc.ctx = "compareDN";

	switch ( ldap_back_dn_massage( &dc, &op->o_req_dn, &mdn ) ) {
	case LDAP_UNWILLING_TO_PERFORM:
		rc = 1;
		goto cleanup;

	default:
		break;
	}

	/*
	 * if attr is objectClass, try to remap the value
	 */
	if ( op->orc_ava->aa_desc == slap_schema.si_ad_objectClass ) {
		ldap_back_map( &mt->mt_rwmap.rwm_oc,
				&op->orc_ava->aa_value,
				&mapped_value, BACKLDAP_MAP );

		if ( BER_BVISNULL( &mapped_value ) || BER_BVISEMPTY( &mapped_value ) ) {
			goto cleanup;
		}

	/*
	 * else try to remap the attribute
	 */
	} else {
		ldap_back_map( &mt->mt_rwmap.rwm_at,
			&op->orc_ava->aa_desc->ad_cname,
			&mapped_attr, BACKLDAP_MAP );
		if ( BER_BVISNULL( &mapped_attr ) || BER_BVISEMPTY( &mapped_attr ) ) {
			goto cleanup;
		}

		if ( op->orc_ava->aa_desc->ad_type->sat_syntax == slap_schema.si_syn_distinguishedName )
		{
			dc.ctx = "compareAttrDN";

			switch ( ldap_back_dn_massage( &dc, &op->orc_ava->aa_value, &mapped_value ) )
			{
			case LDAP_UNWILLING_TO_PERFORM:
				rc = 1;
				goto cleanup;

			default:
				break;
			}
		}
	}

retry:;
	ctrls = op->o_ctrls;
	rc = meta_back_controls_add( op, rs, mc, candidate, &ctrls );
	if ( rc != LDAP_SUCCESS ) {
		send_ldap_result( op, rs );
		goto cleanup;
	}

	rs->sr_err = ldap_compare_ext( mc->mc_conns[ candidate ].msc_ld, mdn.bv_val,
			mapped_attr.bv_val, &mapped_value,
			ctrls, NULL, &msgid );

	rs->sr_err = meta_back_op_result( mc, op, rs, candidate, msgid,
		mt->mt_timeout[ SLAP_OP_COMPARE ], ( LDAP_BACK_SENDRESULT | retrying ) );
	if ( rs->sr_err == LDAP_UNAVAILABLE && retrying ) {
		retrying &= ~LDAP_BACK_RETRYING;
		if ( meta_back_retry( op, rs, &mc, candidate, LDAP_BACK_SENDERR ) ) {
			/* if the identity changed, there might be need to re-authz */
			(void)mi->mi_ldap_extra->controls_free( op, rs, &ctrls );
			goto retry;
		}
	}

cleanup:;
	(void)mi->mi_ldap_extra->controls_free( op, rs, &ctrls );

	if ( mdn.bv_val != op->o_req_dn.bv_val ) {
		free( mdn.bv_val );
	}

	if ( op->orc_ava->aa_value.bv_val != mapped_value.bv_val ) {
		free( mapped_value.bv_val );
	}

	if ( mc ) {
		meta_back_release_conn( mi, mc );
	}

	return rs->sr_err;
}
Ejemplo n.º 4
0
int
meta_back_add( Operation *op, SlapReply *rs )
{
	metainfo_t	*mi = ( metainfo_t * )op->o_bd->be_private;
	metatarget_t	*mt;
	metaconn_t	*mc;
	int		i, candidate = -1;
	int		isupdate;
	Attribute	*a;
	LDAPMod		**attrs;
	struct berval	mdn = BER_BVNULL, mapped;
	dncookie	dc;
	int		msgid;
	ldap_back_send_t	retrying = LDAP_BACK_RETRYING;
	LDAPControl	**ctrls = NULL;

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

	/*
	 * get the current connection
	 */
	mc = meta_back_getconn( op, rs, &candidate, LDAP_BACK_SENDERR );
	if ( !mc || !meta_back_dobind( op, rs, mc, LDAP_BACK_SENDERR ) ) {
		return rs->sr_err;
	}

	assert( mc->mc_conns[ candidate ].msc_ld != NULL );

	/*
	 * Rewrite the add dn, if needed
	 */
	mt = mi->mi_targets[ candidate ];
	dc.target = mt;
	dc.conn = op->o_conn;
	dc.rs = rs;
	dc.ctx = "addDN";

	if ( ldap_back_dn_massage( &dc, &op->o_req_dn, &mdn ) ) {
		send_ldap_result( op, rs );
		goto done;
	}

	/* Count number of attributes in entry ( +1 ) */
	for ( i = 1, a = op->ora_e->e_attrs; a; i++, a = a->a_next );

	/* Create array of LDAPMods for ldap_add() */
	attrs = ch_malloc( sizeof( LDAPMod * )*i );

	dc.ctx = "addAttrDN";
	isupdate = be_shadow_update( op );
	for ( i = 0, a = op->ora_e->e_attrs; a; a = a->a_next ) {
		int			j, is_oc = 0;

		if ( !isupdate && !get_relax( op ) && a->a_desc->ad_type->sat_no_user_mod  )
		{
			continue;
		}

		if ( a->a_desc == slap_schema.si_ad_objectClass
				|| a->a_desc == slap_schema.si_ad_structuralObjectClass )
		{
			is_oc = 1;
			mapped = a->a_desc->ad_cname;

		} else {
			ldap_back_map( &mt->mt_rwmap.rwm_at,
					&a->a_desc->ad_cname, &mapped, BACKLDAP_MAP );
			if ( BER_BVISNULL( &mapped ) || BER_BVISEMPTY( &mapped ) ) {
				continue;
			}
		}

		attrs[ i ] = ch_malloc( sizeof( LDAPMod ) );
		if ( attrs[ i ] == NULL ) {
			continue;
		}
		attrs[ i ]->mod_op = LDAP_MOD_BVALUES;
		attrs[ i ]->mod_type = mapped.bv_val;

		if ( is_oc ) {
			for ( j = 0; !BER_BVISNULL( &a->a_vals[ j ] ); j++ )
				;

			attrs[ i ]->mod_bvalues =
				(struct berval **)ch_malloc( ( j + 1 ) *
				sizeof( struct berval * ) );

			for ( j = 0; !BER_BVISNULL( &a->a_vals[ j ] ); ) {
				struct ldapmapping	*mapping;

				ldap_back_mapping( &mt->mt_rwmap.rwm_oc,
						&a->a_vals[ j ], &mapping, BACKLDAP_MAP );

				if ( mapping == NULL ) {
					if ( mt->mt_rwmap.rwm_oc.drop_missing ) {
						continue;
					}
					attrs[ i ]->mod_bvalues[ j ] = &a->a_vals[ j ];

				} else {
					attrs[ i ]->mod_bvalues[ j ] = &mapping->dst;
				}
				j++;
			}
			attrs[ i ]->mod_bvalues[ j ] = NULL;

		} else {
			/*
			 * FIXME: dn-valued attrs should be rewritten
			 * to allow their use in ACLs at the back-ldap
			 * level.
			 */
			if ( a->a_desc->ad_type->sat_syntax ==
				slap_schema.si_syn_distinguishedName )
			{
				(void)ldap_dnattr_rewrite( &dc, a->a_vals );
				if ( a->a_vals == NULL ) {
					continue;
				}
			}

			for ( j = 0; !BER_BVISNULL( &a->a_vals[ j ] ); j++ )
				;

			attrs[ i ]->mod_bvalues = ch_malloc( ( j + 1 ) * sizeof( struct berval * ) );
			for ( j = 0; !BER_BVISNULL( &a->a_vals[ j ] ); j++ ) {
				attrs[ i ]->mod_bvalues[ j ] = &a->a_vals[ j ];
			}
			attrs[ i ]->mod_bvalues[ j ] = NULL;
		}
		i++;
	}
	attrs[ i ] = NULL;

retry:;
	ctrls = op->o_ctrls;
	if ( meta_back_controls_add( op, rs, mc, candidate, &ctrls ) != LDAP_SUCCESS )
	{
		send_ldap_result( op, rs );
		goto cleanup;
	}

	rs->sr_err = ldap_add_ext( mc->mc_conns[ candidate ].msc_ld, mdn.bv_val,
			      attrs, ctrls, NULL, &msgid );
	rs->sr_err = meta_back_op_result( mc, op, rs, candidate, msgid,
		mt->mt_timeout[ SLAP_OP_ADD ], ( LDAP_BACK_SENDRESULT | retrying ) );
	if ( rs->sr_err == LDAP_UNAVAILABLE && retrying ) {
		retrying &= ~LDAP_BACK_RETRYING;
		if ( meta_back_retry( op, rs, &mc, candidate, LDAP_BACK_SENDERR ) ) {
			/* if the identity changed, there might be need to re-authz */
			(void)mi->mi_ldap_extra->controls_free( op, rs, &ctrls );
			goto retry;
		}
	}

cleanup:;
	(void)mi->mi_ldap_extra->controls_free( op, rs, &ctrls );

	for ( --i; i >= 0; --i ) {
		free( attrs[ i ]->mod_bvalues );
		free( attrs[ i ] );
	}
	free( attrs );
	if ( mdn.bv_val != op->ora_e->e_dn ) {
		free( mdn.bv_val );
		BER_BVZERO( &mdn );
	}

done:;
	if ( mc ) {
		meta_back_release_conn( mi, mc );
	}

	return rs->sr_err;
}
Ejemplo n.º 5
0
int
meta_back_modrdn( Operation *op, SlapReply *rs )
{
	metainfo_t	*mi = ( metainfo_t * )op->o_bd->be_private;
	metatarget_t	*mt;
	metaconn_t	*mc;
	int		candidate = -1;
	struct berval	mdn = BER_BVNULL,
			mnewSuperior = BER_BVNULL;
	dncookie	dc;
	int		msgid;
	ldap_back_send_t	retrying = LDAP_BACK_RETRYING;
	LDAPControl	**ctrls = NULL;
	struct berval	newrdn = BER_BVNULL;

	mc = meta_back_getconn( op, rs, &candidate, LDAP_BACK_SENDERR );
	if ( !mc || !meta_back_dobind( op, rs, mc, LDAP_BACK_SENDERR ) ) {
		return rs->sr_err;
	}

	assert( mc->mc_conns[ candidate ].msc_ld != NULL );

	mt = mi->mi_targets[ candidate ];
	dc.target = mt;
	dc.conn = op->o_conn;
	dc.rs = rs;

	if ( op->orr_newSup ) {

		/*
		 * NOTE: the newParent, if defined, must be on the 
		 * same target as the entry to be renamed.  This check
		 * has been anticipated in meta_back_getconn()
		 */
		/*
		 * FIXME: one possibility is to delete the entry
		 * from one target and add it to the other;
		 * unfortunately we'd need write access to both,
		 * which is nearly impossible; for administration
		 * needs, the rootdn of the metadirectory could
		 * be mapped to an administrative account on each
		 * target (the binddn?); we'll see.
		 */
		/*
		 * NOTE: we need to port the identity assertion
		 * feature from back-ldap
		 */

		/* needs LDAPv3 */
		switch ( mt->mt_version ) {
		case LDAP_VERSION3:
			break;

		case 0:
			if ( op->o_protocol == 0 || op->o_protocol == LDAP_VERSION3 ) {
				break;
			}
			/* fall thru */

		default:
			/* op->o_protocol cannot be anything but LDAPv3,
			 * otherwise wouldn't be here */
			rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
			send_ldap_result( op, rs );
			goto cleanup;
		}
		
		/*
		 * Rewrite the new superior, if defined and required
	 	 */
		dc.ctx = "newSuperiorDN";
		if ( ldap_back_dn_massage( &dc, op->orr_newSup, &mnewSuperior ) ) {
			rs->sr_err = LDAP_OTHER;
			send_ldap_result( op, rs );
			goto cleanup;
		}
	}

	/*
	 * Rewrite the modrdn dn, if required
	 */
	dc.ctx = "modrDN";
	if ( ldap_back_dn_massage( &dc, &op->o_req_dn, &mdn ) ) {
		rs->sr_err = LDAP_OTHER;
		send_ldap_result( op, rs );
		goto cleanup;
	}

	/* NOTE: we need to copy the newRDN in case it was formed
	 * from a DN by simply changing the length (ITS#5397) */
	newrdn = op->orr_newrdn;
	if ( newrdn.bv_val[ newrdn.bv_len ] != '\0' ) {
		ber_dupbv_x( &newrdn, &op->orr_newrdn, op->o_tmpmemctx );
	}

retry:;
	ctrls = op->o_ctrls;
	if ( meta_back_controls_add( op, rs, mc, candidate, &ctrls ) != LDAP_SUCCESS )
	{
		send_ldap_result( op, rs );
		goto cleanup;
	}

	rs->sr_err = ldap_rename( mc->mc_conns[ candidate ].msc_ld,
			mdn.bv_val, newrdn.bv_val,
			mnewSuperior.bv_val, op->orr_deleteoldrdn,
			ctrls, NULL, &msgid );
	rs->sr_err = meta_back_op_result( mc, op, rs, candidate, msgid,
		mt->mt_timeout[ SLAP_OP_MODRDN ], ( LDAP_BACK_SENDRESULT | retrying ) );
	if ( rs->sr_err == LDAP_UNAVAILABLE && retrying ) {
		retrying &= ~LDAP_BACK_RETRYING;
		if ( meta_back_retry( op, rs, &mc, candidate, LDAP_BACK_SENDERR ) ) {
			/* if the identity changed, there might be need to re-authz */
			(void)mi->mi_ldap_extra->controls_free( op, rs, &ctrls );
			goto retry;
		}
	}

cleanup:;
	(void)mi->mi_ldap_extra->controls_free( op, rs, &ctrls );

	if ( mdn.bv_val != op->o_req_dn.bv_val ) {
		free( mdn.bv_val );
		BER_BVZERO( &mdn );
	}
	
	if ( !BER_BVISNULL( &mnewSuperior )
			&& mnewSuperior.bv_val != op->orr_newSup->bv_val )
	{
		free( mnewSuperior.bv_val );
		BER_BVZERO( &mnewSuperior );
	}

	if ( newrdn.bv_val != op->orr_newrdn.bv_val ) {
		op->o_tmpfree( newrdn.bv_val, op->o_tmpmemctx );
	}

	if ( mc ) {
		meta_back_release_conn( mi, mc );
	}

	return rs->sr_err;
}
Ejemplo n.º 6
0
/*
 * meta_back_dobind
 */
int
meta_back_dobind(
	Operation		*op,
	SlapReply		*rs,
	metaconn_t		*mc,
	ldap_back_send_t	sendok )
{
	metainfo_t		*mi = ( metainfo_t * )op->o_bd->be_private;

	int			bound = 0,
				i,
				isroot = 0;

	SlapReply		*candidates;

	if ( be_isroot( op ) ) {
		isroot = 1;
	}

	if ( LogTest( LDAP_DEBUG_TRACE ) ) {
		char buf[STRLENOF("4294967295U") + 1] = { 0 };
		mi->mi_ldap_extra->connid2str( &mc->mc_base, buf, sizeof(buf) );

		Debug( LDAP_DEBUG_TRACE,
			"%s meta_back_dobind: conn=%s%s\n",
			op->o_log_prefix, buf,
			isroot ? " (isroot)" : "" );
	}

	/*
	 * all the targets are bound as pseudoroot
	 */
	if ( mc->mc_authz_target == META_BOUND_ALL ) {
		bound = 1;
		goto done;
	}

	candidates = meta_back_candidates_get( op );

	for ( i = 0; i < mi->mi_ntargets; i++ ) {
		metatarget_t		*mt = mi->mi_targets[ i ];
		metasingleconn_t	*msc = &mc->mc_conns[ i ];
		int			rc;

		/*
		 * Not a candidate
		 */
		if ( !META_IS_CANDIDATE( &candidates[ i ] ) ) {
			continue;
		}

		assert( msc->msc_ld != NULL );

		/*
		 * If the target is already bound it is skipped
		 */

retry_binding:;
		ldap_pvt_thread_mutex_lock( &mi->mi_conninfo.lai_mutex );
		if ( LDAP_BACK_CONN_ISBOUND( msc )
			|| ( LDAP_BACK_CONN_ISANON( msc )
				&& mt->mt_idassert_authmethod == LDAP_AUTH_NONE ) )
		{
			ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex );
			++bound;
			continue;

		} else if ( META_BACK_CONN_CREATING( msc ) || LDAP_BACK_CONN_BINDING( msc ) )
		{
			ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex );
			ldap_pvt_thread_yield();
			goto retry_binding;

		}

		LDAP_BACK_CONN_BINDING_SET( msc );
		ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex );

		rc = meta_back_single_dobind( op, rs, &mc, i,
			LDAP_BACK_DONTSEND, mt->mt_nretries, 1 );
		/*
		 * NOTE: meta_back_single_dobind() already retries;
		 * in case of failure, it resets mc...
		 */
		if ( rc != LDAP_SUCCESS ) {
			char		buf[ SLAP_TEXT_BUFLEN ];

			if ( mc == NULL ) {
				/* meta_back_single_dobind() already sent
				 * response and released connection */
				goto send_err;
			}


			if ( rc == LDAP_UNAVAILABLE ) {
				/* FIXME: meta_back_retry() already re-calls
				 * meta_back_single_dobind() */
				if ( meta_back_retry( op, rs, &mc, i, sendok ) ) {
					goto retry_ok;
				}

				if ( mc != NULL ) {
					ldap_pvt_thread_mutex_lock( &mi->mi_conninfo.lai_mutex );
					LDAP_BACK_CONN_BINDING_CLEAR( msc );
					meta_back_release_conn_lock( mi, mc, 0 );
					ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex );
				}

				return 0;
			}

			ldap_pvt_thread_mutex_lock( &mi->mi_conninfo.lai_mutex );
			LDAP_BACK_CONN_BINDING_CLEAR( msc );
			ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex );

			snprintf( buf, sizeof( buf ),
				"meta_back_dobind[%d]: (%s) err=%d (%s).",
				i, isroot ? op->o_bd->be_rootdn.bv_val : "anonymous",
				rc, ldap_err2string( rc ) );
			Debug( LDAP_DEBUG_ANY,
				"%s %s\n",
				op->o_log_prefix, buf );

			/*
			 * null cred bind should always succeed
			 * as anonymous, so a failure means
			 * the target is no longer candidate possibly
			 * due to technical reasons (remote host down?)
			 * so better clear the handle
			 */
			/* leave the target candidate, but record the error for later use */
			candidates[ i ].sr_err = rc;
			if ( META_BACK_ONERR_STOP( mi ) ) {
				bound = 0;
				goto done;
			}

			continue;
		} /* else */

retry_ok:;
		Debug( LDAP_DEBUG_TRACE,
			"%s meta_back_dobind[%d]: "
			"(%s)\n",
			op->o_log_prefix, i,
			isroot ? op->o_bd->be_rootdn.bv_val : "anonymous" );

		ldap_pvt_thread_mutex_lock( &mi->mi_conninfo.lai_mutex );
		LDAP_BACK_CONN_BINDING_CLEAR( msc );
		if ( isroot ) {
			LDAP_BACK_CONN_ISBOUND_SET( msc );
		} else {
			LDAP_BACK_CONN_ISANON_SET( msc );
		}
		ldap_pvt_thread_mutex_unlock( &mi->mi_conninfo.lai_mutex );
		++bound;
	}

done:;
	if ( LogTest( LDAP_DEBUG_TRACE ) ) {
		char buf[STRLENOF("4294967295U") + 1] = { 0 };
		mi->mi_ldap_extra->connid2str( &mc->mc_base, buf, sizeof(buf) );

		Debug( LDAP_DEBUG_TRACE,
			"%s meta_back_dobind: conn=%s bound=%d\n",
			op->o_log_prefix, buf, bound );
	}

	if ( bound == 0 ) {
		meta_back_release_conn( mi, mc );

send_err:;
		if ( sendok & LDAP_BACK_SENDERR ) {
			if ( rs->sr_err == LDAP_SUCCESS ) {
				rs->sr_err = LDAP_BUSY;
			}
			send_ldap_result( op, rs );
		}

		return 0;
	}

	return ( bound > 0 );
}