1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
|
/********************************************************/
/* ntapi: Native API core library */
/* Copyright (C) 2013--2017 Z. Gilboa */
/* Released under GPLv2 and GPLv3; see COPYING.NTAPI. */
/********************************************************/
#include <psxtypes/psxtypes.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);
}
intptr_t __fastcall __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) {
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;
}
|
