int
monitor_back_compare( Operation *op, SlapReply *rs )
{
monitor_info_t *mi = ( monitor_info_t * ) op->o_bd->be_private;
Entry *e, *matched = NULL;
int rc;
/* get entry with reader lock */
monitor_cache_dn2entry( op, rs, &op->o_req_ndn, &e, &matched );
if ( e == NULL ) {
rs->sr_err = LDAP_NO_SUCH_OBJECT;
if ( matched ) {
if ( !access_allowed_mask( op, matched,
slap_schema.si_ad_entry,
NULL, ACL_DISCLOSE, NULL, NULL ) )
{
/* do nothing */ ;
} else {
rs->sr_matched = matched->e_dn;
}
}
send_ldap_result( op, rs );
if ( matched ) {
monitor_cache_release( mi, matched );
rs->sr_matched = NULL;
}
return rs->sr_err;
}
monitor_entry_update( op, rs, e );
rs->sr_err = slap_compare_entry( op, e, op->orc_ava );
rc = rs->sr_err;
switch ( rc ) {
case LDAP_COMPARE_FALSE:
case LDAP_COMPARE_TRUE:
rc = LDAP_SUCCESS;
break;
}
send_ldap_result( op, rs );
rs->sr_err = rc;
monitor_cache_release( mi, e );
return rs->sr_err;
}
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;
}
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;
}
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;
}
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;
}