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/* operation.c - routines to deal with pending ldap operations */
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/* $OpenLDAP: pkg/ldap/servers/slapd/operation.c,v 1.75.2.8 2008/02/12 20:48:44 quanah Exp $ */
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/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
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* Copyright 1998-2008 The OpenLDAP Foundation.
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted only as authorized by the OpenLDAP
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* A copy of this license is available in the file LICENSE in the
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* top-level directory of the distribution or, alternatively, at
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* <http://www.OpenLDAP.org/license.html>.
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/* Portions Copyright (c) 1995 Regents of the University of Michigan.
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* All rights reserved.
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* Redistribution and use in source and binary forms are permitted
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* provided that this notice is preserved and that due credit is given
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* to the University of Michigan at Ann Arbor. The name of the University
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* may not be used to endorse or promote products derived from this
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* software without specific prior written permission. This software
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* is provided ``as is'' without express or implied warranty.
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#include <ac/string.h>
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#include <ac/socket.h>
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#include "slapi/slapi.h"
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static ldap_pvt_thread_mutex_t slap_op_mutex;
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static time_t last_time;
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void slap_op_init(void)
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ldap_pvt_thread_mutex_init( &slap_op_mutex );
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void slap_op_destroy(void)
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ldap_pvt_thread_mutex_destroy( &slap_op_mutex );
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slap_op_q_destroy( void *key, void *data )
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for ( op = data; op; op = op2 ) {
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op2 = LDAP_STAILQ_NEXT( op, o_next );
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ber_memfree_x( op, NULL );
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slap_op_groups_free( Operation *op )
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GroupAssertion *g, *n;
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for ( g = op->o_groups; g; g = n ) {
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slap_sl_free( g, op->o_tmpmemctx );
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slap_op_free( Operation *op, void *ctx )
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OperationBuffer *opbuf;
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assert( LDAP_STAILQ_NEXT(op, o_next) == NULL );
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if ( op->o_ber != NULL ) {
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ber_free( op->o_ber, 1 );
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if ( !BER_BVISNULL( &op->o_dn ) ) {
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ch_free( op->o_dn.bv_val );
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if ( !BER_BVISNULL( &op->o_ndn ) ) {
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ch_free( op->o_ndn.bv_val );
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if ( !BER_BVISNULL( &op->o_authmech ) ) {
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ch_free( op->o_authmech.bv_val );
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if ( op->o_ctrls != NULL ) {
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slap_free_ctrls( op, op->o_ctrls );
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#ifdef LDAP_CONNECTIONLESS
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if ( op->o_res_ber != NULL ) {
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ber_free( op->o_res_ber, 1 );
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if ( op->o_groups ) {
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slap_op_groups_free( op );
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#if defined( LDAP_SLAPI )
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if ( slapi_plugins_used ) {
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slapi_int_free_object_extensions( SLAPI_X_EXT_OPERATION, op );
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#endif /* defined( LDAP_SLAPI ) */
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opbuf = (OperationBuffer *) op;
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memset( opbuf, 0, sizeof(*opbuf) );
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op->o_hdr = &opbuf->ob_hdr;
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op->o_controls = opbuf->ob_controls;
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ldap_pvt_thread_pool_setkey( ctx, (void *)slap_op_free,
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op, slap_op_q_destroy, &op2, NULL );
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LDAP_STAILQ_NEXT( op, o_next ) = op2;
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ber_memfree_x( op, NULL );
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slap_op_time(time_t *t, int *nop)
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ldap_pvt_thread_mutex_lock( &slap_op_mutex );
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*t = slap_get_time();
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if ( *t == last_time ) {
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ldap_pvt_thread_mutex_unlock( &slap_op_mutex );
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Operation *op = NULL;
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ldap_pvt_thread_pool_getkey( ctx, (void *)slap_op_free, &otmp, NULL );
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otmp = LDAP_STAILQ_NEXT( op, o_next );
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ldap_pvt_thread_pool_setkey( ctx, (void *)slap_op_free,
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otmp, slap_op_q_destroy, NULL, NULL );
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op = (Operation *) ch_calloc( 1, sizeof(OperationBuffer) );
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op->o_hdr = &((OperationBuffer *) op)->ob_hdr;
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op->o_controls = ((OperationBuffer *) op)->ob_controls;
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slap_op_time( &op->o_time, &op->o_tincr );
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op->o_res_ber = NULL;
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#if defined( LDAP_SLAPI )
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if ( slapi_plugins_used ) {
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slapi_int_create_object_extensions( SLAPI_X_EXT_OPERATION, op );
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#endif /* defined( LDAP_SLAPI ) */
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slap_req2op( ber_tag_t tag )
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case LDAP_REQ_UNBIND:
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return SLAP_OP_UNBIND;
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case LDAP_REQ_DELETE:
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return SLAP_OP_DELETE;
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case LDAP_REQ_MODRDN:
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return SLAP_OP_MODRDN;
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case LDAP_REQ_MODIFY:
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return SLAP_OP_MODIFY;
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case LDAP_REQ_COMPARE:
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return SLAP_OP_COMPARE;
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case LDAP_REQ_SEARCH:
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return SLAP_OP_SEARCH;
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case LDAP_REQ_ABANDON:
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return SLAP_OP_ABANDON;
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case LDAP_REQ_EXTENDED:
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return SLAP_OP_EXTENDED;