diff options
Diffstat (limited to 'servers/slapd/back-mdb/operational.c')
-rw-r--r-- | servers/slapd/back-mdb/operational.c | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/servers/slapd/back-mdb/operational.c b/servers/slapd/back-mdb/operational.c new file mode 100644 index 0000000..566fa7f --- /dev/null +++ b/servers/slapd/back-mdb/operational.c @@ -0,0 +1,121 @@ +/* operational.c - mdb backend operational attributes function */ +/* $OpenLDAP$ */ +/* This work is part of OpenLDAP Software <http://www.openldap.org/>. + * + * Copyright 2000-2018 The OpenLDAP Foundation. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted only as authorized by the OpenLDAP + * Public License. + * + * A copy of this license is available in the file LICENSE in the + * top-level directory of the distribution or, alternatively, at + * <http://www.OpenLDAP.org/license.html>. + */ + +#include "portable.h" + +#include <stdio.h> + +#include <ac/string.h> +#include <ac/socket.h> + +#include "slap.h" +#include "back-mdb.h" + +/* + * sets *hasSubordinates to LDAP_COMPARE_TRUE/LDAP_COMPARE_FALSE + * if the entry has children or not. + */ +int +mdb_hasSubordinates( + Operation *op, + Entry *e, + int *hasSubordinates ) +{ + struct mdb_info *mdb = (struct mdb_info *) op->o_bd->be_private; + MDB_txn *rtxn; + mdb_op_info opinfo = {{{0}}}, *moi = &opinfo; + int rc; + + assert( e != NULL ); + + rc = mdb_opinfo_get(op, mdb, 1, &moi); + switch(rc) { + case 0: + break; + default: + rc = LDAP_OTHER; + goto done; + } + + rtxn = moi->moi_txn; + + rc = mdb_dn2id_children( op, rtxn, e ); + + switch( rc ) { + case 0: + *hasSubordinates = LDAP_COMPARE_TRUE; + break; + + case MDB_NOTFOUND: + *hasSubordinates = LDAP_COMPARE_FALSE; + rc = LDAP_SUCCESS; + break; + + default: + Debug(LDAP_DEBUG_ARGS, + "<=- " LDAP_XSTRING(mdb_hasSubordinates) + ": has_children failed: %s (%d)\n", + mdb_strerror(rc), rc, 0 ); + rc = LDAP_OTHER; + } + +done:; + if ( moi == &opinfo ) { + mdb_txn_reset( moi->moi_txn ); + LDAP_SLIST_REMOVE( &op->o_extra, &moi->moi_oe, OpExtra, oe_next ); + } else { + moi->moi_ref--; + } + return rc; +} + +/* + * sets the supported operational attributes (if required) + */ +int +mdb_operational( + Operation *op, + SlapReply *rs ) +{ + Attribute **ap; + + assert( rs->sr_entry != NULL ); + + for ( ap = &rs->sr_operational_attrs; *ap; ap = &(*ap)->a_next ) { + if ( (*ap)->a_desc == slap_schema.si_ad_hasSubordinates ) { + break; + } + } + + if ( *ap == NULL && + attr_find( rs->sr_entry->e_attrs, slap_schema.si_ad_hasSubordinates ) == NULL && + ( SLAP_OPATTRS( rs->sr_attr_flags ) || + ad_inlist( slap_schema.si_ad_hasSubordinates, rs->sr_attrs ) ) ) + { + int hasSubordinates, rc; + + rc = mdb_hasSubordinates( op, rs->sr_entry, &hasSubordinates ); + if ( rc == LDAP_SUCCESS ) { + *ap = slap_operational_hasSubordinate( hasSubordinates == LDAP_COMPARE_TRUE ); + assert( *ap != NULL ); + + ap = &(*ap)->a_next; + } + } + + return LDAP_SUCCESS; +} + |