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
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
|
/********************************************************/
/* 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/ntapi.h>
#include "ntapi_impl.h"
static int32_t __fastcall __tty_create_session_return(
void * hready,
nt_create_process_params * params,
int32_t status)
{
if (params->hprocess && status)
__ntapi->zw_terminate_process(
params->hprocess,
NT_STATUS_UNEXPECTED_IO_ERROR);
__ntapi->zw_close(hready);
__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 nt_tty_session_subtype subtype,
__in const nt_guid * guid __optional,
__in wchar16_t * image_name,
__in void * htty __optional)
{
nt_status status;
ntapi_internals * __internals;
void * shport;
nt_port_name sport_name;
nt_tty_server_basic_info ttyinfo;
nt_iosb iosb;
nt_port_attr port_attr;
nt_runtime_data * rtdata;
nt_runtime_data ssattr;
nt_runtime_data_block rtblock;
nt_create_process_params params;
nt_event_basic_information eready;
/* abi/api */
(void)subtype;
/* validate */
if (!image_name)
return NT_STATUS_INVALID_PARAMETER;
/* init */
__internals = __ntapi_internals();
rtdata = __internals->rtdata;
__ntapi->tt_aligned_block_memset(
&port_attr,0,sizeof(port_attr));
__ntapi->tt_aligned_block_memset(
&ssattr,0,sizeof(ssattr));
/* port type */
if (guid) {
if ((status = __ntapi->tt_port_type_from_guid(
&port_attr.type,
&port_attr.subtype,
guid)))
return status;
} else {
port_attr.type = NT_PORT_TYPE_SUBSYSTEM;
}
/* port subtype */
switch (type) {
case NT_TTY_SESSION_PRIMARY:
port_attr.subtype = NT_PORT_SUBTYPE_DEFAULT;
if (!hport)
hport = &__internals->hport_tty_session;
if (!port_name)
port_name = __internals->subsystem;
break;
case NT_TTY_SESSION_SECONDARY:
port_attr.subtype = NT_PORT_SUBTYPE_DEFAULT;
if (!hport)
hport = &shport;
if (!port_name)
port_name = &sport_name;
break;
case NT_TTY_SESSION_PRIVATE:
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_attr(
port_name,
&port_attr);
/* parent session) */
if (htty && (htty != NT_INVALID_HANDLE_VALUE)) {
if ((status = __ntapi->tty_query_information_server(
htty,&iosb,
&ttyinfo,sizeof(ttyinfo),
NT_TTY_SERVER_BASIC_INFORMATION)))
return status;
ssattr.tty_type = ttyinfo.attr.type;
ssattr.tty_subtype = ttyinfo.attr.subtype;
ssattr.tty_keys[0] = ttyinfo.attr.keys.key[0];
ssattr.tty_keys[1] = ttyinfo.attr.keys.key[1];
ssattr.tty_keys[2] = ttyinfo.attr.keys.key[2];
ssattr.tty_keys[3] = ttyinfo.attr.keys.key[3];
ssattr.tty_keys[4] = ttyinfo.attr.keys.key[4];
ssattr.tty_keys[5] = ttyinfo.attr.keys.key[5];
__ntapi->tt_guid_copy(
&ssattr.tty_guid,
&ttyinfo.attr.guid);
}
/* subsystem attributes */
__ntapi->tt_guid_copy(
&ssattr.abi,
&(nt_guid)NT_PROCESS_GUID_RTDATA);
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.hserver,
NT_NOTIFICATION_EVENT,
NT_EVENT_NOT_SIGNALED)))
return status;
/* server chain */
if (rtdata->srv_type) {
ssattr.ppid_type = rtdata->srv_type;
ssattr.ppid_subtype = rtdata->srv_subtype;
ssattr.ppid_keys[0] = rtdata->srv_keys[0];
ssattr.ppid_keys[1] = rtdata->srv_keys[1];
ssattr.ppid_keys[2] = rtdata->srv_keys[2];
ssattr.ppid_keys[3] = rtdata->srv_keys[3];
ssattr.ppid_keys[4] = rtdata->srv_keys[4];
ssattr.ppid_keys[5] = rtdata->srv_keys[5];
__ntapi->tt_guid_copy(
&ssattr.ppid_guid,
&rtdata->srv_guid);
}
/* 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;
params.hsession = htty;
if ((status = __ntapi->tt_create_native_process(¶ms)))
return __tty_create_session_return(ssattr.hserver,¶ms,status);
__ntapi->zw_wait_for_multiple_objects(
2,
(void *[]){ssattr.hserver,params.hprocess},
NT_WAIT_ANY,
NT_SYNC_NON_ALERTABLE,
0);
if ((status = __ntapi->zw_query_event(
ssattr.hserver,
NT_EVENT_BASIC_INFORMATION,
&eready,
sizeof(eready),
&(size_t){0})))
return __tty_create_session_return(ssattr.hserver,¶ms,status);
if (!eready.signal_state)
return __tty_create_session_return(ssattr.hserver,¶ms,NT_STATUS_SYSTEM_PROCESS_TERMINATED);
/* connect to subsystem */
if ((status = __ntapi->tty_connect(
hport,
&port_name->base_named_objects[0],
NT_SECURITY_IMPERSONATION)))
return __tty_create_session_return(ssattr.hserver,¶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(ssattr.hserver,¶ms,NT_STATUS_SUCCESS);
}
|