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
|
/********************************************************/
/* 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_guid.h>
#include <ntapi/nt_port.h>
#include <ntapi/nt_string.h>
#include "ntapi_impl.h"
typedef wchar16_t __port_service_prefix[6];
static const __port_service_prefix __port_service_null = {0};
static const __port_service_prefix __port_service_prefixes[NT_PORT_TYPE_CAP][NT_PORT_SUBTYPE_CAP] = {
{{'s','v','c','a','n','y'}},
{{'n','t','c','t','t','y'}},
{{'v','m','o','u','n','t'}},
{{'d','a','e','m','o','n'}},
{{'s','y','m','l','n','k'}},
{{'n','t','p','r','o','c'}}};
static const nt_guid __port_guids[NT_PORT_TYPE_CAP][NT_PORT_SUBTYPE_CAP] = {
{NT_PORT_GUID_DEFAULT},
{NT_PORT_GUID_SUBSYSTEM},
{NT_PORT_GUID_VMOUNT},
{NT_PORT_GUID_DAEMON},
{NT_PORT_GUID_SYMLNK},
{NT_PORT_GUID_NTPROC}};
int32_t __stdcall __ntapi_tt_port_guid_from_type(
__out nt_guid * guid,
__in nt_port_type type,
__in nt_port_subtype subtype)
{
const nt_guid * src_guid;
if ((type >= NT_PORT_TYPE_CAP) || (subtype >= NT_PORT_SUBTYPE_CAP))
return NT_STATUS_INVALID_PARAMETER;
src_guid = &(__port_guids[type][subtype]);
__ntapi->tt_aligned_block_memcpy(
(uintptr_t *)guid,
(uintptr_t *)src_guid,
sizeof(nt_guid));
return NT_STATUS_SUCCESS;
}
int32_t __stdcall __ntapi_tt_port_type_from_guid(
__out nt_port_type * type,
__out nt_port_subtype * subtype,
__in nt_guid * guid)
{
int itype;
int isubtype;
for (itype=0; itype<NT_PORT_TYPE_CAP; itype++) {
for (isubtype=0; isubtype<NT_PORT_SUBTYPE_CAP; isubtype++) {
if (!(__ntapi_tt_guid_compare(
&__port_guids[itype][isubtype],
guid))) {
*type = (nt_port_type)itype;
*subtype = (nt_port_subtype)isubtype;
return NT_STATUS_SUCCESS;
}
}
}
return NT_STATUS_NOT_FOUND;
}
int32_t __stdcall __ntapi_tt_port_generate_keys(
__out nt_port_keys * keys)
{
int32_t status;
nt_large_integer ticks;
nt_large_integer pcfreq;
nt_luid luid;
if ((status = __ntapi->zw_query_performance_counter(&ticks,&pcfreq)))
return status;
if ((status = __ntapi->zw_allocate_locally_unique_id(&luid)))
return status;
keys->key[0] = pe_get_current_process_id();
keys->key[1] = pe_get_current_thread_id();
keys->key[2] = ticks.ihigh;
keys->key[3] = ticks.ulow;
keys->key[4] = luid.high;
keys->key[5] = luid.low;
return NT_STATUS_SUCCESS;
}
void __stdcall __ntapi_tt_port_format_keys(
__in nt_port_keys * keys,
__out nt_port_name_keys * name_keys)
{
__ntapi->tt_uint32_to_hex_utf16(keys->key[0],name_keys->key_1st);
__ntapi->tt_uint32_to_hex_utf16(keys->key[1],name_keys->key_2nd);
__ntapi->tt_uint32_to_hex_utf16(keys->key[2],name_keys->key_3rd);
__ntapi->tt_uint32_to_hex_utf16(keys->key[3],name_keys->key_4th);
__ntapi->tt_uint32_to_hex_utf16(keys->key[4],name_keys->key_5th);
__ntapi->tt_uint32_to_hex_utf16(keys->key[5],name_keys->key_6th);
return;
}
void __stdcall __ntapi_tt_port_name_from_attributes(
__out nt_port_name * name,
__in nt_port_attr * attr)
{
wchar16_t bno[] = __NT_BASED_NAMED_OBJECTS;
/* base named objects */
__ntapi->tt_memcpy_utf16(
name->base_named_objects,
bno,sizeof(bno));
/* service prefix */
if (attr && (attr->type < NT_PORT_TYPE_CAP) && (attr->subtype < NT_PORT_SUBTYPE_CAP))
__ntapi->tt_memcpy_utf16(
name->svc_prefix,
__port_service_prefixes[attr->type][attr->subtype],
sizeof(name->svc_prefix));
else
__ntapi->tt_memcpy_utf16(
name->svc_prefix,
__port_service_null,
sizeof(name->svc_prefix));
/* port guid */
__ntapi->tt_guid_to_string_utf16(
&attr->guid,
(nt_guid_str_utf16 *)&name->port_guid);
/* port name keys */
__ntapi_tt_port_format_keys(
&attr->keys,
&name->port_name_keys);
/* backslash and underscores */
name->backslash = '\\';
name->port_guid.uscore_guid = '_';
name->port_guid.uscore_keys = '_';
name->port_name_keys.uscore_1st = '_';
name->port_name_keys.uscore_2nd = '_';
name->port_name_keys.uscore_3rd = '_';
name->port_name_keys.uscore_4th = '_';
name->port_name_keys.uscore_5th = '_';
/* null termination */
name->null_termination = 0;
return;
}
|
