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
|
/********************************************************/
/* ntapi: Native API core library */
/* Copyright (C) 2013--2016 Z. Gilboa */
/* Released under GPLv2 and GPLv3; see COPYING.NTAPI. */
/********************************************************/
#include <psxtypes/psxtypes.h>
#include <ntapi/ntapi.h>
#include "ntapi_impl.h"
static int32_t __fastcall __tty_create_session_return(
nt_create_process_params * params,
int32_t status)
{
if (status)
__ntapi->zw_terminate_process(
params->hprocess,
NT_STATUS_UNEXPECTED_IO_ERROR);
__ntapi->zw_close(params->hprocess);
__ntapi->zw_close(params->hthread);
return status;
}
int32_t __stdcall __ntapi_tty_create_session(
__out void ** hport,
__out nt_port_name * port_name,
__in nt_tty_session_type type,
__in const nt_guid * guid __optional,
__in wchar16_t * image_name __optional)
{
nt_status status;
ntapi_internals * __internals;
nt_port_attr port_attr;
nt_runtime_data ssattr;
nt_runtime_data_block rtblock;
nt_create_process_params params;
wchar16_t __attr_aligned__(8) __tty_image_name_fallback[] = {
'\\','?','?','\\',
'C',':',
'\\','m','i','d','i','p','i','x',
'\\','b','i','n',
'\\','n','t','c','t','t','y',
'.','e','x','e',
0};
/* init */
__internals = __ntapi_internals();
__ntapi->tt_aligned_block_memset(
&port_attr,0,sizeof(port_attr));
switch (type) {
case NT_TTY_SESSION_PRIMARY:
port_attr.type = NT_PORT_TYPE_SUBSYSTEM;
port_attr.subtype = NT_PORT_SUBTYPE_DEFAULT;
if (!hport)
hport = &__internals->hport_tty_session;
if (!port_name)
port_name = __internals->subsystem;
if (!image_name)
image_name = __tty_image_name_fallback;
break;
case NT_TTY_SESSION_PRIVATE:
port_attr.type = NT_PORT_TYPE_SUBSYSTEM;
port_attr.subtype = NT_PORT_SUBTYPE_PRIVATE;
break;
default:
return NT_STATUS_INVALID_PARAMETER;
}
/* port guid */
if (guid)
__ntapi->tt_guid_copy(
&port_attr.guid,
guid);
else
__ntapi->tt_port_guid_from_type(
&port_attr.guid,
port_attr.type,
port_attr.subtype);
/* port keys */
if ((status = __ntapi->tt_port_generate_keys(&port_attr.keys)))
return status;
/* port name */
__ntapi->tt_port_name_from_attributes(
port_name,
&port_attr);
/* subsystem attributes */
__ntapi->tt_aligned_block_memset(
&ssattr,0,sizeof(ssattr));
ssattr.srv_type = port_attr.type;
ssattr.srv_subtype = port_attr.subtype;
ssattr.srv_keys[0] = port_attr.keys.key[0];
ssattr.srv_keys[1] = port_attr.keys.key[1];
ssattr.srv_keys[2] = port_attr.keys.key[2];
ssattr.srv_keys[3] = port_attr.keys.key[3];
ssattr.srv_keys[4] = port_attr.keys.key[4];
ssattr.srv_keys[5] = port_attr.keys.key[5];
__ntapi->tt_guid_copy(
&ssattr.srv_guid,
&port_attr.guid);
if ((status = __ntapi->tt_create_private_event(
&ssattr.srv_ready,
NT_SYNCHRONIZATION_EVENT,
NT_EVENT_NOT_SIGNALED)))
return status;
/* create subsystem process */
rtblock.addr = &ssattr;
rtblock.size = sizeof(ssattr);
rtblock.remote_addr = 0;
rtblock.remote_size = 0;
rtblock.flags = NT_RUNTIME_DATA_DUPLICATE_SESSION_HANDLES;
__ntapi->tt_aligned_block_memset(
¶ms,0,sizeof(params));
params.image_name = image_name;
params.rtblock = &rtblock;
if ((status = __ntapi->tt_create_native_process(¶ms)))
return status;
if ((status = __ntapi->zw_wait_for_single_object(
ssattr.srv_ready,
NT_SYNC_NON_ALERTABLE,
0)))
return __tty_create_session_return(¶ms,status);
/* connect to subsystem */
if ((status = __ntapi->tty_connect(
hport,
&port_name->base_named_objects[0],
NT_SECURITY_IMPERSONATION)))
return __tty_create_session_return(¶ms,status);
/* finalize primary session */
if (type == NT_TTY_SESSION_PRIMARY) {
if (hport != &__internals->hport_tty_session)
__internals->hport_tty_session = *hport;
if (port_name != __internals->subsystem)
__ntapi->tt_memcpy_utf16(
__internals->subsystem->base_named_objects,
port_name->base_named_objects,
sizeof(*port_name));
};
return __tty_create_session_return(¶ms,NT_STATUS_SUCCESS);
}
|
