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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_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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/* __ntapi_dsr_connect_internal_client executes in the daemon's dedicated thread */
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int32_t __stdcall __ntapi_dsr_connect_internal_client(nt_daemon_params * params)
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{
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int32_t * pstatus;
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intptr_t port_id;
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nt_port_message port_msg;
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nt_large_integer timeout;
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void * _hport_client;
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pstatus = ¶ms->exit_code_daemon_start;
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/* timeout-enabled first connection */
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timeout.quad = NT_DSR_INIT_MAX_WAIT;
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*pstatus = __ntapi->zw_reply_wait_receive_port_ex(
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params->hport_daemon,
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&port_id,
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(nt_port_message *)0,
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(nt_port_message *)&port_msg,
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&timeout);
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if (*pstatus != NT_STATUS_SUCCESS)
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__ntapi->zw_terminate_thread(
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NT_CURRENT_THREAD_HANDLE,
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*pstatus);
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/* the internal client must be first */
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if (port_msg.client_id.process_id != pe_get_current_process_id())
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__ntapi->zw_terminate_thread(
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NT_CURRENT_THREAD_HANDLE,
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NT_STATUS_PORT_CONNECTION_REFUSED);
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/* accept connection request */
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*pstatus = __ntapi->zw_accept_connect_port(
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&_hport_client,
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port_msg.client_id.process_id,
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(nt_port_message *)&port_msg,
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NT_LPC_ACCEPT_CONNECTION,
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(nt_port_section_write *)0,
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(nt_port_section_read *)0);
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if (*pstatus != NT_STATUS_SUCCESS)
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__ntapi->zw_terminate_thread(
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NT_CURRENT_THREAD_HANDLE,
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*pstatus);
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/* finalize connection */
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*pstatus = __ntapi->zw_complete_connect_port(_hport_client);
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if (*pstatus != NT_STATUS_SUCCESS)
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__ntapi->zw_terminate_thread(
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NT_CURRENT_THREAD_HANDLE,
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*pstatus);
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return *pstatus;
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}
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/* __ntapi_dsr_internal_client_connect executes in its own temporary thread */
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int32_t __stdcall __ntapi_dsr_internal_client_connect(nt_daemon_params * params)
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{
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int32_t * pstatus;
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nt_unicode_string server_name;
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nt_object_attributes oa;
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nt_security_quality_of_service sqos;
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nt_large_integer timeout;
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pstatus = ¶ms->exit_code_internal_client;
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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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/* wait for the server to be ready */
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timeout.quad = NT_DSR_INIT_MAX_WAIT;
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if ((*pstatus = __ntapi->zw_wait_for_single_object(
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params->hevent_daemon_ready,
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0,&timeout)))
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__ntapi->zw_terminate_thread(
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NT_CURRENT_THREAD_HANDLE,
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*pstatus);
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/* establish internal connection */
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*pstatus = __ntapi->zw_connect_port(
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¶ms->hport_internal_client,
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&server_name,
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&sqos,
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0,0,0,0,0);
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if (*pstatus != NT_STATUS_SUCCESS)
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__ntapi->zw_terminate_thread(
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NT_CURRENT_THREAD_HANDLE,
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*pstatus);
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/* return port info */
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if (params->pport_internal_client)
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*(params->pport_internal_client) = params->hport_internal_client;
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/* signal the 'internal-client-is-ready' event */
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*pstatus = __ntapi->zw_set_event(
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params->hevent_internal_client_ready,
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0);
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/* exit the task-specific thread */
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__ntapi->zw_terminate_thread(
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NT_CURRENT_THREAD_HANDLE,
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*pstatus);
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/* (no return) */
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return NT_STATUS_INTERNAL_ERROR;
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}
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