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/********************************************************/
/* ntapi: Native API core library */
/* Copyright (C) 2013--2016 Z. Gilboa */
/* Released under GPLv2 and GPLv3; see COPYING.NTAPI. */
/********************************************************/
#include <ntapi/nt_status.h>
#include <ntapi/nt_thread.h>
#include <ntapi/nt_port.h>
#include <ntapi/nt_daemon.h>
#include <ntapi/ntapi.h>
#include "ntapi_impl.h"
/* __ntapi_dsr_connect_internal_client executes in the daemon's dedicated thread */
int32_t __stdcall __ntapi_dsr_connect_internal_client(nt_daemon_params * params)
{
int32_t * pstatus;
intptr_t port_id;
nt_port_message port_msg;
nt_large_integer timeout;
void * _hport_client;
pstatus = ¶ms->exit_code_daemon_start;
/* timeout-enabled first connection */
timeout.quad = NT_DSR_INIT_MAX_WAIT;
*pstatus = __ntapi->zw_reply_wait_receive_port_ex(
params->hport_daemon,
&port_id,
(nt_port_message *)0,
(nt_port_message *)&port_msg,
&timeout);
if (*pstatus != NT_STATUS_SUCCESS)
__ntapi->zw_terminate_thread(
NT_CURRENT_THREAD_HANDLE,
*pstatus);
/* the internal client must be first */
if (port_msg.client_id.process_id != pe_get_current_process_id())
__ntapi->zw_terminate_thread(
NT_CURRENT_THREAD_HANDLE,
NT_STATUS_PORT_CONNECTION_REFUSED);
/* accept connection request */
*pstatus = __ntapi->zw_accept_connect_port(
&_hport_client,
port_msg.client_id.process_id,
(nt_port_message *)&port_msg,
NT_LPC_ACCEPT_CONNECTION,
(nt_port_section_write *)0,
(nt_port_section_read *)0);
if (*pstatus != NT_STATUS_SUCCESS)
__ntapi->zw_terminate_thread(
NT_CURRENT_THREAD_HANDLE,
*pstatus);
/* finalize connection */
*pstatus = __ntapi->zw_complete_connect_port(_hport_client);
if (*pstatus != NT_STATUS_SUCCESS)
__ntapi->zw_terminate_thread(
NT_CURRENT_THREAD_HANDLE,
*pstatus);
return *pstatus;
}
/* __ntapi_dsr_internal_client_connect executes in its own temporary thread */
int32_t __stdcall __ntapi_dsr_internal_client_connect(nt_daemon_params * params)
{
int32_t * pstatus;
nt_unicode_string server_name;
nt_object_attributes oa;
nt_security_quality_of_service sqos;
nt_large_integer timeout;
pstatus = ¶ms->exit_code_internal_client;
/* init server_name */
server_name.strlen = (uint16_t)__ntapi->tt_string_null_offset_short((const int16_t *)params->port_name);
server_name.maxlen = 0;
server_name.buffer = (uint16_t *)params->port_name;
/* init security structure */
sqos.length = sizeof(sqos);
sqos.impersonation_level = NT_SECURITY_IMPERSONATION;
sqos.context_tracking_mode = NT_SECURITY_TRACKING_DYNAMIC;
sqos.effective_only = 1;
/* init the port's object attributes */
oa.len = sizeof(oa);
oa.root_dir = (void *)0;
oa.obj_name = &server_name;
oa.obj_attr = 0;
oa.sec_desc = (nt_security_descriptor *)0;
oa.sec_qos = &sqos;
/* wait for the server to be ready */
timeout.quad = NT_DSR_INIT_MAX_WAIT;
if ((*pstatus = __ntapi->zw_wait_for_single_object(
params->hevent_daemon_ready,
0,&timeout)))
__ntapi->zw_terminate_thread(
NT_CURRENT_THREAD_HANDLE,
*pstatus);
/* establish internal connection */
*pstatus = __ntapi->zw_connect_port(
¶ms->hport_internal_client,
&server_name,
&sqos,
0,0,0,0,0);
if (*pstatus != NT_STATUS_SUCCESS)
__ntapi->zw_terminate_thread(
NT_CURRENT_THREAD_HANDLE,
*pstatus);
/* return port info */
if (params->pport_internal_client)
*(params->pport_internal_client) = params->hport_internal_client;
/* signal the 'internal-client-is-ready' event */
*pstatus = __ntapi->zw_set_event(
params->hevent_internal_client_ready,
0);
/* exit the task-specific thread */
__ntapi->zw_terminate_thread(
NT_CURRENT_THREAD_HANDLE,
*pstatus);
/* (no return) */
return NT_STATUS_INTERNAL_ERROR;
}
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