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
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
|
// Copyright 2010-2012 The W32 Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package w32
import (
"fmt"
// "github.com/davecgh/go-spew/spew"
"syscall"
"unsafe"
)
var (
modntdll = syscall.NewLazyDLL("ntdll.dll")
procAlpcGetMessageAttribute = modntdll.NewProc("AlpcGetMessageAttribute")
procNtAlpcAcceptConnectPort = modntdll.NewProc("NtAlpcAcceptConnectPort")
procNtAlpcCancelMessage = modntdll.NewProc("NtAlpcCancelMessage")
procNtAlpcConnectPort = modntdll.NewProc("NtAlpcConnectPort")
procNtAlpcCreatePort = modntdll.NewProc("NtAlpcCreatePort")
procNtAlpcDisconnectPort = modntdll.NewProc("NtAlpcDisconnectPort")
procNtAlpcSendWaitReceivePort = modntdll.NewProc("NtAlpcSendWaitReceivePort")
procRtlCreateUnicodeStringFromAsciiz = modntdll.NewProc("RtlCreateUnicodeStringFromAsciiz")
)
//func RtlCreateUnicodeStringFromAsciiz(s string) (us UNICODE_STRING, e error) {
//
// cs := C.CString(s)
// defer C.free(unsafe.Pointer(cs))
//
// ret, _, lastErr := procRtlCreateUnicodeStringFromAsciiz.Call(
// uintptr(unsafe.Pointer(&us)),
// uintptr(unsafe.Pointer(cs)),
// )
//
// if ret != 1 { // ret is a BOOL ( I think )
// e = lastErr
// }
//
// return
//}
//func newUnicodeString(s string) (us UNICODE_STRING, e error) {
// // TODO probably not the most efficient way to do this, but I couldn't
// // work out how to manually initialize the UNICODE_STRING struct in a way
// // that the ALPC subsystem liked.
// us, e = RtlCreateUnicodeStringFromAsciiz(s)
// return
//}
// (this is a macro)
// VOID InitializeObjectAttributes(
// [out] POBJECT_ATTRIBUTES InitializedAttributes,
// [in] PUNICODE_STRING ObjectName,
// [in] ULONG Attributes,
// [in] HANDLE RootDirectory,
// [in, optional] PSECURITY_DESCRIPTOR SecurityDescriptor
// )
//func InitializeObjectAttributes(
// name string,
// attributes uint32,
// rootDir HANDLE,
// pSecurityDescriptor *SECURITY_DESCRIPTOR,
//) (oa OBJECT_ATTRIBUTES, e error) {
//
// oa = OBJECT_ATTRIBUTES{
// RootDirectory: rootDir,
// Attributes: attributes,
// SecurityDescriptor: pSecurityDescriptor,
// }
// oa.Length = uint32(unsafe.Sizeof(oa))
//
// if len(name) > 0 {
// us, err := newUnicodeString(name)
// if err != nil {
// e = err
// return
// }
// oa.ObjectName = &us
// }
//
// return
//}
// NTSTATUS
// NtAlpcCreatePort(
// __out PHANDLE PortHandle,
// __in POBJECT_ATTRIBUTES ObjectAttributes,
// __in_opt PALPC_PORT_ATTRIBUTES PortAttributes
// );
func NtAlpcCreatePort(pObjectAttributes *OBJECT_ATTRIBUTES, pPortAttributes *ALPC_PORT_ATTRIBUTES) (hPort HANDLE, e error) {
ret, _, _ := procNtAlpcCreatePort.Call(
uintptr(unsafe.Pointer(&hPort)),
uintptr(unsafe.Pointer(pObjectAttributes)),
uintptr(unsafe.Pointer(pPortAttributes)),
)
if ret != ERROR_SUCCESS {
return hPort, fmt.Errorf("0x%x", ret)
}
return
}
// NTSTATUS
// NtAlpcConnectPort(
// __out PHANDLE PortHandle,
// __in PUNICODE_STRING PortName,
// __in POBJECT_ATTRIBUTES ObjectAttributes,
// __in_opt PALPC_PORT_ATTRIBUTES PortAttributes,
// __in ULONG Flags,
// __in_opt PSID RequiredServerSid,
// __inout PPORT_MESSAGE ConnectionMessage,
// __inout_opt PULONG BufferLength,
// __inout_opt PALPC_MESSAGE_ATTRIBUTES OutMessageAttributes,
// __inout_opt PALPC_MESSAGE_ATTRIBUTES InMessageAttributes,
// __in_opt PLARGE_INTEGER Timeout
// );
//func NtAlpcConnectPort(
// destPort string,
// pClientObjAttrs *OBJECT_ATTRIBUTES,
// pClientAlpcPortAttrs *ALPC_PORT_ATTRIBUTES,
// flags uint32,
// pRequiredServerSid *SID,
// pConnMsg *AlpcShortMessage,
// pBufLen *uint32,
// pOutMsgAttrs *ALPC_MESSAGE_ATTRIBUTES,
// pInMsgAttrs *ALPC_MESSAGE_ATTRIBUTES,
// timeout *int64,
//) (hPort HANDLE, e error) {
//
// destPortU, e := newUnicodeString(destPort)
// if e != nil {
// return
// }
//
// ret, _, _ := procNtAlpcConnectPort.Call(
// uintptr(unsafe.Pointer(&hPort)),
// uintptr(unsafe.Pointer(&destPortU)),
// uintptr(unsafe.Pointer(pClientObjAttrs)),
// uintptr(unsafe.Pointer(pClientAlpcPortAttrs)),
// uintptr(flags),
// uintptr(unsafe.Pointer(pRequiredServerSid)),
// uintptr(unsafe.Pointer(pConnMsg)),
// uintptr(unsafe.Pointer(pBufLen)),
// uintptr(unsafe.Pointer(pOutMsgAttrs)),
// uintptr(unsafe.Pointer(pInMsgAttrs)),
// uintptr(unsafe.Pointer(timeout)),
// )
//
// if ret != ERROR_SUCCESS {
// e = fmt.Errorf("0x%x", ret)
// }
// return
//}
// NTSTATUS
// NtAlpcAcceptConnectPort(
// __out PHANDLE PortHandle,
// __in HANDLE ConnectionPortHandle,
// __in ULONG Flags,
// __in POBJECT_ATTRIBUTES ObjectAttributes,
// __in PALPC_PORT_ATTRIBUTES PortAttributes,
// __in_opt PVOID PortContext,
// __in PPORT_MESSAGE ConnectionRequest,
// __inout_opt PALPC_MESSAGE_ATTRIBUTES ConnectionMessageAttributes,
// __in BOOLEAN AcceptConnection
// );
func NtAlpcAcceptConnectPort(
hSrvConnPort HANDLE,
flags uint32,
pObjAttr *OBJECT_ATTRIBUTES,
pPortAttr *ALPC_PORT_ATTRIBUTES,
pContext *AlpcPortContext,
pConnReq *AlpcShortMessage,
pConnMsgAttrs *ALPC_MESSAGE_ATTRIBUTES,
accept uintptr,
) (hPort HANDLE, e error) {
ret, _, _ := procNtAlpcAcceptConnectPort.Call(
uintptr(unsafe.Pointer(&hPort)),
uintptr(hSrvConnPort),
uintptr(flags),
uintptr(unsafe.Pointer(pObjAttr)),
uintptr(unsafe.Pointer(pPortAttr)),
uintptr(unsafe.Pointer(pContext)),
uintptr(unsafe.Pointer(pConnReq)),
uintptr(unsafe.Pointer(pConnMsgAttrs)),
accept,
)
if ret != ERROR_SUCCESS {
e = fmt.Errorf("0x%x", ret)
}
return
}
// NTSTATUS
// NtAlpcSendWaitReceivePort(
// __in HANDLE PortHandle,
// __in ULONG Flags,
// __in_opt PPORT_MESSAGE SendMessage,
// __in_opt PALPC_MESSAGE_ATTRIBUTES SendMessageAttributes,
// __inout_opt PPORT_MESSAGE ReceiveMessage,
// __inout_opt PULONG BufferLength,
// __inout_opt PALPC_MESSAGE_ATTRIBUTES ReceiveMessageAttributes,
// __in_opt PLARGE_INTEGER Timeout
// );
func NtAlpcSendWaitReceivePort(
hPort HANDLE,
flags uint32,
sendMsg *AlpcShortMessage, // Should actually point to PORT_MESSAGE + payload
sendMsgAttrs *ALPC_MESSAGE_ATTRIBUTES,
recvMsg *AlpcShortMessage,
recvBufLen *uint32,
recvMsgAttrs *ALPC_MESSAGE_ATTRIBUTES,
timeout *int64, // use native int64
) (e error) {
ret, _, _ := procNtAlpcSendWaitReceivePort.Call(
uintptr(hPort),
uintptr(flags),
uintptr(unsafe.Pointer(sendMsg)),
uintptr(unsafe.Pointer(sendMsgAttrs)),
uintptr(unsafe.Pointer(recvMsg)),
uintptr(unsafe.Pointer(recvBufLen)),
uintptr(unsafe.Pointer(recvMsgAttrs)),
uintptr(unsafe.Pointer(timeout)),
)
if ret != ERROR_SUCCESS {
e = fmt.Errorf("0x%x", ret)
}
return
}
// NTSYSAPI
// PVOID
// NTAPI
// AlpcGetMessageAttribute(
// __in PALPC_MESSAGE_ATTRIBUTES Buffer,
// __in ULONG AttributeFlag
// );
// This basically returns a pointer to the correct struct for whichever
// message attribute you asked for. In Go terms, it returns unsafe.Pointer
// which you should then cast. Example:
// ptr := AlpcGetMessageAttribute(&recvMsgAttrs, ALPC_MESSAGE_CONTEXT_ATTRIBUTE)
// if ptr != nil {
// context := (*ALPC_CONTEXT_ATTR)(ptr)
// }
func AlpcGetMessageAttribute(buf *ALPC_MESSAGE_ATTRIBUTES, attr uint32) unsafe.Pointer {
ret, _, _ := procAlpcGetMessageAttribute.Call(
uintptr(unsafe.Pointer(buf)),
uintptr(attr),
)
return unsafe.Pointer(ret)
}
// NTSYSCALLAPI
// NTSTATUS
// NTAPI
// NtAlpcCancelMessage(
// __in HANDLE PortHandle,
// __in ULONG Flags,
// __in PALPC_CONTEXT_ATTR MessageContext
// );
func NtAlpcCancelMessage(hPort HANDLE, flags uint32, pMsgContext *ALPC_CONTEXT_ATTR) (e error) {
ret, _, _ := procNtAlpcCancelMessage.Call(
uintptr(hPort),
uintptr(flags),
uintptr(unsafe.Pointer(pMsgContext)),
)
if ret != ERROR_SUCCESS {
e = fmt.Errorf("0x%x", ret)
}
return
}
// NTSYSCALLAPI
// NTSTATUS
// NTAPI
// NtAlpcDisconnectPort(
// __in HANDLE PortHandle,
// __in ULONG Flags
// );
func NtAlpcDisconnectPort(hPort HANDLE, flags uint32) (e error) {
ret, _, _ := procNtAlpcDisconnectPort.Call(
uintptr(hPort),
uintptr(flags),
)
if ret != ERROR_SUCCESS {
e = fmt.Errorf("0x%x", ret)
}
return
}
|
