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/********************************************************/
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/* ntapi: Native API core library */
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/* Copyright (C) 2013--2016 Z. Gilboa */
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/* Released under GPLv2 and GPLv3; see COPYING.NTAPI. */
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/********************************************************/
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#include <ntapi/nt_atomic.h>
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#include <ntapi/nt_status.h>
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#include <ntapi/nt_thread.h>
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#include <ntapi/nt_port.h>
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#include <ntapi/nt_daemon.h>
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#include <ntapi/ntapi.h>
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#include "ntapi_impl.h"
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static int32_t __stdcall __ntapi_dsr_once(nt_daemon_params * params);
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int32_t __stdcall __ntapi_dsr_init(nt_daemon_params * params)
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{
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int32_t status;
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nt_thread_params tparams;
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nt_large_integer timeout;
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/* report status */
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at_store_32(
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¶ms->exit_code_daemon_loop,
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NT_STATUS_PENDING);
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at_store_32(
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¶ms->exit_code_daemon_start,
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NT_STATUS_PENDING);
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at_store_32(
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¶ms->exit_code_internal_client,
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NT_STATUS_PENDING);
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/* port_keys */
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if (params->flags & NT_DSR_INIT_GENERATE_KEYS)
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if ((status = __ntapi->tt_port_generate_keys(params->port_keys)))
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return status;
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/* port_name_keys */
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if (params->flags & NT_DSR_INIT_FORMAT_KEYS)
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__ntapi->tt_port_format_keys(
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params->port_keys,
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params->port_name_keys);
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/* 'daemon-is-ready' event */
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if (!params->hevent_daemon_ready) {
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if ((status = __ntapi->tt_create_private_event(
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¶ms->hevent_daemon_ready,
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NT_NOTIFICATION_EVENT,
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NT_EVENT_NOT_SIGNALED)))
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return status;
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if (params->pevent_daemon_ready)
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at_store(
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(intptr_t *)params->pevent_daemon_ready,
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(intptr_t)params->hevent_daemon_ready);
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}
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/* 'internal-client-is-ready' event */
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if (!params->hevent_internal_client_ready) {
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if ((status = __ntapi->tt_create_private_event(
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¶ms->hevent_internal_client_ready,
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NT_NOTIFICATION_EVENT,
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NT_EVENT_NOT_SIGNALED)))
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return status;
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if (params->pevent_internal_client_ready)
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at_store(
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(intptr_t *)params->pevent_internal_client_ready,
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(intptr_t)params->hevent_internal_client_ready);
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}
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/* daemon dedicated thread: general parameters */
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__ntapi->tt_aligned_block_memset(
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&tparams,0,sizeof(tparams));
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tparams.start = (nt_thread_start_routine *)__ntapi_dsr_start;
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tparams.arg = params;
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/* daemon dedicated thread: stack parameters (optional) */
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tparams.stack_size_commit = params->stack_size_commit;
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tparams.stack_size_reserve = params->stack_size_reserve;
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tparams.stack_info = params->stack_info;
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/* daemon dedicated thread: create */
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if ((status = __ntapi->tt_create_local_thread(&tparams)))
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return status;
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params->hthread_daemon_loop = tparams.hthread;
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/* wait for the server to be ready */
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timeout.quad = NT_DSR_INIT_MAX_WAIT;
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if ((status = __ntapi->zw_wait_for_single_object(
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params->hevent_daemon_ready,
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NT_SYNC_NON_ALERTABLE,&timeout))) {
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__ntapi->zw_terminate_thread(
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tparams.hthread,
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status);
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return status;
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}
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/* daemon dedicated thread: actual stack size */
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params->stack_size_commit = tparams.stack_size_commit;
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params->stack_size_reserve = tparams.stack_size_reserve;
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/* establish internal connection */
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__ntapi->tt_aligned_block_memset(
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&tparams,0,sizeof(tparams));
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tparams.start = (nt_thread_start_routine *)__ntapi_dsr_internal_client_connect;
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tparams.arg = params;
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if ((status = __ntapi->tt_create_local_thread(&tparams)))
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return status;
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params->hthread_internal_client = tparams.hthread;
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/* wait until the internal connection had been established */
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timeout.quad = NT_DSR_INIT_MAX_WAIT;
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if ((status = __ntapi->zw_wait_for_single_object(
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params->hevent_internal_client_ready,
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NT_SYNC_NON_ALERTABLE,&timeout)))
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return status;
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if (params->flags & NT_DSR_INIT_CLOSE_EVENTS) {
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__ntapi->zw_close(params->hevent_daemon_ready);
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__ntapi->zw_close(params->hevent_internal_client_ready);
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}
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return NT_STATUS_SUCCESS;;
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}
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/* __ntapi_dsr_start executes in the daemon's dedicated thread */
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int32_t __stdcall __ntapi_dsr_start_impl(nt_daemon_params * params)
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{
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int32_t status;
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void * ctx;
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ctx = params->daemon_loop_context;
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if ((status = __ntapi_dsr_once(params)))
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return status;
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if ((status = __ntapi_dsr_create_port(params)))
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return status;
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if ((status = __ntapi_dsr_connect_internal_client(params)))
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return status;
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if ((status = params->daemon_loop_routine(ctx)))
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return status;
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return NT_STATUS_SUCCESS;
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}
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int32_t __stdcall __ntapi_dsr_start(nt_daemon_params * params)
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{
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at_store_32(
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¶ms->exit_code_daemon_loop,
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NT_STATUS_MORE_PROCESSING_REQUIRED);
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return __ntapi->zw_terminate_thread(
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NT_CURRENT_THREAD_HANDLE,
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__ntapi_dsr_start_impl(params));
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}
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/* __ntapi_dsr_once executes in the daemon's dedicated thread */
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static int32_t __stdcall __ntapi_dsr_once(nt_daemon_params * params)
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{
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int32_t status;
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if (!params->daemon_once_routine)
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return NT_STATUS_SUCCESS;
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if ((status = params->daemon_once_routine(params->daemon_loop_context)))
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at_store_32(
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¶ms->exit_code_daemon_start,
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status);
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return status;
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}
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/* __ntapi_dsr_create_port executes in the daemon's dedicated thread */
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static int32_t __stdcall __ntapi_dsr_create_port_exit(
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nt_daemon_params * params,
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int32_t status)
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{
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at_store_32(
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¶ms->exit_code_daemon_start,
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status);
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return status;
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}
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int32_t __stdcall __ntapi_dsr_create_port(nt_daemon_params * params)
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{
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int32_t status;
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nt_object_attributes oa;
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nt_security_quality_of_service sqos;
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nt_unicode_string server_name;
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/* init server_name */
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server_name.strlen = (uint16_t)__ntapi->tt_string_null_offset_short((const int16_t *)params->port_name);
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server_name.maxlen = 0;
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server_name.buffer = (uint16_t *)params->port_name;
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/* init security structure */
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sqos.length = sizeof(sqos);
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sqos.impersonation_level = NT_SECURITY_IMPERSONATION;
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sqos.context_tracking_mode = NT_SECURITY_TRACKING_DYNAMIC;
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sqos.effective_only = 1;
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/* init the port's object attributes */
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oa.len = sizeof(oa);
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oa.root_dir = (void *)0;
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oa.obj_name = &server_name;
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oa.obj_attr = 0;
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oa.sec_desc = (nt_security_descriptor *)0;
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oa.sec_qos = &sqo;;
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/* create the port */
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if ((status = __ntapi->zw_create_port(
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¶ms->hport_daemon,
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&oa,0,(uint32_t)params->port_msg_size,
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0)))
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return __ntapi_dsr_create_port_exit(
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params,status);
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/* return port info */
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if (params->pport_daemon)
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at_store(
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(intptr_t *)params->pport_daemon,
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(intptr_t)params->hport_daemon);
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/* signal the daemon-is-ready event */
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status = __ntapi->zw_set_event(
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params->hevent_daemon_ready,
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(int32_t *)0);
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return __ntapi_dsr_create_port_exit(
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params,status);
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}
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