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/********************************************************/
/* ntapi: Native API core library */
/* Copyright (C) 2013--2021 SysDeer Technologies, LLC */
/* Released under GPLv2 and GPLv3; see COPYING.NTAPI. */
/********************************************************/
#include <psxtypes/psxtypes.h>
#include <ntapi/nt_atomic.h>
#include <ntapi/nt_status.h>
#include <ntapi/nt_object.h>
#include <ntapi/nt_memory.h>
#include <ntapi/nt_thread.h>
#include <ntapi/nt_process.h>
#include <ntapi/nt_sync.h>
#include <ntapi/nt_string.h>
#include <ntapi/ntapi.h>
#include "ntapi_impl.h"
static intptr_t __tt_fork_cancel(void * hprocess,int32_t status)
{
__ntapi->zw_terminate_process(hprocess, status);
__ntapi->zw_close(hprocess);
return (intptr_t)(-1);
}
static intptr_t __tt_fork_impl_v2(
__out void ** hprocess,
__out void ** hthread)
{
int32_t status;
void ** hport_session;
nt_object_attributes oa_process;
nt_object_attributes oa_thread;
nt_create_process_info process_info;
nt_cid cid;
nt_sec_img_inf sec_img_inf;
nt_timeout timeout;
ntapi_internals * __internals;
struct {
size_t size_in_bytes;
nt_create_process_ext_param process_info;
nt_create_process_ext_param section_info;
} ext_params;
oa_process.len = sizeof(nt_object_attributes);
oa_process.root_dir = 0;
oa_process.obj_name = 0;
oa_process.obj_attr = 0;
oa_process.sec_desc = 0;
oa_process.sec_qos = 0;
oa_thread.len = sizeof(nt_object_attributes);
oa_thread.root_dir = 0;
oa_thread.obj_name = 0;
oa_thread.obj_attr = 0;
oa_thread.sec_desc = 0;
oa_thread.sec_qos = 0;
__ntapi->tt_aligned_block_memset(
&process_info,0,sizeof(process_info));
process_info.size = sizeof(process_info);
process_info.state = NT_PROCESS_CREATE_INITIAL_STATE;
process_info.init_state.init_flags = NT_PROCESS_CREATE_FLAGS_NO_OBJECT_SYNC;
__ntapi->tt_aligned_block_memset(&ext_params,0,sizeof(ext_params));
__ntapi->tt_aligned_block_memset(&cid,0,sizeof(cid));
__ntapi->tt_aligned_block_memset(&sec_img_inf,0,sizeof(sec_img_inf));
ext_params.size_in_bytes = sizeof(ext_params);
ext_params.process_info.ext_param_type = NT_CREATE_PROCESS_EXT_PARAM_GET_CLIENT_ID;
ext_params.process_info.ext_param_size = sizeof(cid);
ext_params.process_info.ext_param_addr = &cid;
ext_params.section_info.ext_param_type = NT_CREATE_PROCESS_EXT_PARAM_GET_SECTION_IMAGE_INFO;
ext_params.section_info.ext_param_size = sizeof(sec_img_inf);
ext_params.section_info.ext_param_addr = &sec_img_inf;
/* [thou shalt remember the single step paradox] */
status = __ntapi->zw_create_user_process(
hprocess,
hthread,
NT_PROCESS_ALL_ACCESS,
NT_THREAD_ALL_ACCESS,
&oa_process,
&oa_thread,
NT_PROCESS_CREATE_FLAGS_INHERIT_HANDLES,
NT_PROCESS_CREATE_FLAGS_CREATE_THREAD_SUSPENDED,
(nt_process_parameters *)0,
&process_info,
(nt_create_process_ext_params *)&ext_params);
if (status == NT_STATUS_PROCESS_CLONED)
return 0;
else if (status)
return (intptr_t)(-1);
__internals = __ntapi_internals();
hport_session = &__internals->hport_tty_session;
timeout.quad = (-1) * 10 * 1000 * __NT_FORK_CHILD_WAIT_MILLISEC;
if (hport_session && *hport_session)
if ((status = __ntapi->tty_client_process_register(
*hport_session,
cid.process_id,
0,0,&timeout)))
return __tt_fork_cancel(*hprocess,status);
/* [thou shalt remember the single step paradox] */
if ((status = __ntapi->zw_resume_thread(
*hthread,0)))
return __tt_fork_cancel(*hprocess,status);
/* hoppla */
return (int32_t)cid.process_id;
}
intptr_t __fastcall __ntapi_tt_fork_v2(
__out void ** hprocess,
__out void ** hthread)
{
int32_t status;
intptr_t pid;
nt_large_integer timeout;
void ** hport_session;
void * htty_connected;
ntapi_internals * __internals;
__internals = __ntapi_internals();
hport_session = &__internals->hport_tty_session;
timeout.quad = (-1) * 10 * 1000 * __NT_FORK_CHILD_WAIT_MILLISEC;
htty_connected = 0;
if (hport_session && *hport_session)
if (__ntapi_tt_create_inheritable_event(
&htty_connected,
NT_NOTIFICATION_EVENT,
NT_EVENT_NOT_SIGNALED))
return (intptr_t)(-1);
pid = __tt_fork_impl_v2(hprocess,hthread);
if (!hport_session || !*hport_session)
return pid;
else if (pid < 0)
return pid;
if (pid == 0) {
at_store(&__internals->hlock,0);
if ((status = __ntapi->tty_connect(
hport_session,
__internals->subsystem->base_named_objects,
NT_SECURITY_IMPERSONATION)))
return __tt_fork_cancel(NT_CURRENT_PROCESS_HANDLE,status);
__internals->hdev_mount_point_mgr = 0;
if (__internals->rtdata)
__internals->rtdata->hsession = *hport_session;
__ntapi->zw_set_event(
htty_connected,
0);
} else {
status = __ntapi->zw_wait_for_single_object(
htty_connected,
NT_SYNC_NON_ALERTABLE,
&timeout);
if (status && __PSX_DEBUG)
if ((status = __ntapi->zw_wait_for_single_object(
htty_connected,
NT_SYNC_NON_ALERTABLE,
0)))
pid = __tt_fork_cancel(*hprocess,status);
}
__ntapi->zw_close(htty_connected);
return pid;
}
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