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https://git.openldap.org/openldap/openldap.git
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96 lines
1.8 KiB
C
96 lines
1.8 KiB
C
/* operational.c - bdb backend operational attributes function */
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/*
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* Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
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* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
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*/
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#include "portable.h"
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#include <stdio.h>
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#include <ac/string.h>
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#include <ac/socket.h>
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#include "slap.h"
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#include "back-bdb.h"
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#include "proto-bdb.h"
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#include "external.h"
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/*
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* sets *hasSubordinates to LDAP_COMPARE_TRUE/LDAP_COMPARE_FALSE
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* if the entry has children or not.
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*/
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int
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bdb_hasSubordinates(
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Operation *op,
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Entry *e,
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int *hasSubordinates )
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{
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int rc;
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assert( e );
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retry:
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rc = bdb_cache_children( op, NULL, e );
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switch( rc ) {
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case DB_LOCK_DEADLOCK:
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case DB_LOCK_NOTGRANTED:
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ldap_pvt_thread_yield();
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goto retry;
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case 0:
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*hasSubordinates = LDAP_COMPARE_TRUE;
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break;
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case DB_NOTFOUND:
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*hasSubordinates = LDAP_COMPARE_FALSE;
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rc = LDAP_SUCCESS;
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break;
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default:
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#ifdef NEW_LOGGING
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LDAP_LOG ( OPERATION, ERR,
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"=> bdb_hasSubordinates: has_children failed: %s (%d)\n",
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db_strerror(rc), rc, 0 );
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#else
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Debug(LDAP_DEBUG_ARGS,
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"<=- bdb_hasSubordinates: has_children failed: %s (%d)\n",
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db_strerror(rc), rc, 0 );
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#endif
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rc = LDAP_OTHER;
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}
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return rc;
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}
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/*
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* sets the supported operational attributes (if required)
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*/
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int
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bdb_operational(
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Operation *op,
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SlapReply *rs,
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int opattrs,
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Attribute **a )
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{
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Attribute **aa = a;
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assert( rs->sr_entry );
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if ( opattrs || ad_inlist( slap_schema.si_ad_hasSubordinates, rs->sr_attrs ) ) {
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int hasSubordinates;
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rs->sr_err = bdb_hasSubordinates( op, rs->sr_entry, &hasSubordinates );
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if ( rs->sr_err == LDAP_SUCCESS ) {
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*aa = slap_operational_hasSubordinate( hasSubordinates == LDAP_COMPARE_TRUE );
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if ( *aa != NULL ) {
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aa = &(*aa)->a_next;
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}
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}
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}
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return rs->sr_err;
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}
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