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
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
|
/*++
Copyright (c) Microsoft Corporation. All rights reserved.
THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY
KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR
PURPOSE.
Module Name:
install.c
Abstract:
Win32 routines to dynamically load and unload a Windows NT kernel-mode
driver using the Service Control Manager APIs.
Environment:
User mode only
--*/
#include <windows.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <strsafe.h>
#include "public.h"
BOOLEAN
InstallDriver(
_In_ SC_HANDLE SchSCManager,
_In_ LPCTSTR DriverName,
_In_ LPCTSTR ServiceExe
);
BOOLEAN
RemoveDriver(
_In_ SC_HANDLE SchSCManager,
_In_ LPCTSTR DriverName
);
BOOLEAN
StartDriver(
_In_ SC_HANDLE SchSCManager,
_In_ LPCTSTR DriverName
);
BOOLEAN
StopDriver(
_In_ SC_HANDLE SchSCManager,
_In_ LPCTSTR DriverName
);
BOOLEAN
InstallDriver(
_In_ SC_HANDLE SchSCManager,
_In_ LPCTSTR DriverName,
_In_ LPCTSTR ServiceExe
)
/*++
Routine Description:
Arguments:
Return Value:
--*/
{
SC_HANDLE schService;
DWORD err;
//
// NOTE: This creates an entry for a standalone driver. If this
// is modified for use with a driver that requires a Tag,
// Group, and/or Dependencies, it may be necessary to
// query the registry for existing driver information
// (in order to determine a unique Tag, etc.).
//
//
// Create a new a service object.
//
schService = CreateService(SchSCManager, // handle of service control manager database
DriverName, // address of name of service to start
DriverName, // address of display name
SERVICE_ALL_ACCESS, // type of access to service
SERVICE_KERNEL_DRIVER, // type of service
SERVICE_DEMAND_START, // when to start service
SERVICE_ERROR_NORMAL, // severity if service fails to start
ServiceExe, // address of name of binary file
NULL, // service does not belong to a group
NULL, // no tag requested
NULL, // no dependency names
NULL, // use LocalSystem account
NULL // no password for service account
);
if (schService == NULL) {
err = GetLastError();
if (err == ERROR_SERVICE_EXISTS) {
//
// Ignore this error.
//
return TRUE;
} else {
printf("CreateService failed! Error = %d \n", err );
//
// Indicate an error.
//
return FALSE;
}
}
//
// Close the service object.
//
if (schService) {
CloseServiceHandle(schService);
}
//
// Indicate success.
//
return TRUE;
} // InstallDriver
BOOLEAN
ManageDriver(
_In_ LPCTSTR DriverName,
_In_ LPCTSTR ServiceName,
_In_ USHORT Function
)
{
SC_HANDLE schSCManager;
BOOLEAN rCode = TRUE;
//
// Insure (somewhat) that the driver and service names are valid.
//
if (!DriverName || !ServiceName) {
printf("Invalid Driver or Service provided to ManageDriver() \n");
return FALSE;
}
//
// Connect to the Service Control Manager and open the Services database.
//
schSCManager = OpenSCManager(NULL, // local machine
NULL, // local database
SC_MANAGER_ALL_ACCESS // access required
);
if (!schSCManager) {
printf("Open SC Manager failed! Error = %d \n", GetLastError());
return FALSE;
}
//
// Do the requested function.
//
switch( Function ) {
case DRIVER_FUNC_INSTALL:
//
// Install the driver service.
//
if (InstallDriver(schSCManager,
DriverName,
ServiceName
)) {
//
// Start the driver service (i.e. start the driver).
//
rCode = StartDriver(schSCManager,
DriverName
);
} else {
//
// Indicate an error.
//
rCode = FALSE;
}
break;
case DRIVER_FUNC_REMOVE:
//
// Stop the driver.
//
StopDriver(schSCManager,
DriverName
);
//
// Remove the driver service.
//
RemoveDriver(schSCManager,
DriverName
);
//
// Ignore all errors.
//
rCode = TRUE;
break;
default:
printf("Unknown ManageDriver() function. \n");
rCode = FALSE;
break;
}
//
// Close handle to service control manager.
//
if (schSCManager) {
CloseServiceHandle(schSCManager);
}
return rCode;
} // ManageDriver
BOOLEAN
RemoveDriver(
_In_ SC_HANDLE SchSCManager,
_In_ LPCTSTR DriverName
)
{
SC_HANDLE schService;
BOOLEAN rCode;
//
// Open the handle to the existing service.
//
schService = OpenService(SchSCManager,
DriverName,
SERVICE_ALL_ACCESS
);
if (schService == NULL) {
printf("OpenService failed! Error = %d \n", GetLastError());
//
// Indicate error.
//
return FALSE;
}
//
// Mark the service for deletion from the service control manager database.
//
if (DeleteService(schService)) {
//
// Indicate success.
//
rCode = TRUE;
} else {
printf("DeleteService failed! Error = %d \n", GetLastError());
//
// Indicate failure. Fall through to properly close the service handle.
//
rCode = FALSE;
}
//
// Close the service object.
//
if (schService) {
CloseServiceHandle(schService);
}
return rCode;
} // RemoveDriver
BOOLEAN
StartDriver(
_In_ SC_HANDLE SchSCManager,
_In_ LPCTSTR DriverName
)
{
SC_HANDLE schService;
DWORD err;
//
// Open the handle to the existing service.
//
schService = OpenService(SchSCManager,
DriverName,
SERVICE_ALL_ACCESS
);
if (schService == NULL) {
printf("OpenService failed! Error = %d \n", GetLastError());
//
// Indicate failure.
//
return FALSE;
}
//
// Start the execution of the service (i.e. start the driver).
//
if (!StartService(schService, // service identifier
0, // number of arguments
NULL // pointer to arguments
)) {
err = GetLastError();
if (err == ERROR_SERVICE_ALREADY_RUNNING) {
//
// Ignore this error.
//
return TRUE;
} else {
printf("StartService failure! Error = %d \n", err );
//
// Indicate failure. Fall through to properly close the service handle.
//
return FALSE;
}
}
//
// Close the service object.
//
if (schService) {
CloseServiceHandle(schService);
}
return TRUE;
} // StartDriver
BOOLEAN
StopDriver(
_In_ SC_HANDLE SchSCManager,
_In_ LPCTSTR DriverName
)
{
BOOLEAN rCode = TRUE;
SC_HANDLE schService;
SERVICE_STATUS serviceStatus;
//
// Open the handle to the existing service.
//
schService = OpenService(SchSCManager,
DriverName,
SERVICE_ALL_ACCESS
);
if (schService == NULL) {
printf("OpenService failed! Error = %d \n", GetLastError());
return FALSE;
}
//
// Request that the service stop.
//
if (ControlService(schService,
SERVICE_CONTROL_STOP,
&serviceStatus
)) {
//
// Indicate success.
//
rCode = TRUE;
} else {
printf("ControlService failed! Error = %d \n", GetLastError() );
//
// Indicate failure. Fall through to properly close the service handle.
//
rCode = FALSE;
}
//
// Close the service object.
//
if (schService) {
CloseServiceHandle (schService);
}
return rCode;
} // StopDriver
BOOLEAN
SetupDriverName(
_Inout_updates_bytes_all_(BufferLength) PCHAR DriverLocation,
_In_ ULONG BufferLength
)
{
HANDLE fileHandle;
DWORD driverLocLen = 0;
//
// Get the current directory.
//
driverLocLen = GetCurrentDirectory(BufferLength,
DriverLocation
);
if (driverLocLen == 0) {
printf("GetCurrentDirectory failed! Error = %d \n", GetLastError());
return FALSE;
}
//
// Setup path name to driver file.
//
if (FAILED( StringCbCat(DriverLocation, BufferLength, "\\"DRIVER_NAME".sys") )) {
return FALSE;
}
//
// Insure driver file is in the specified directory.
//
if ((fileHandle = CreateFile(DriverLocation,
GENERIC_READ,
0,
NULL,
OPEN_EXISTING,
FILE_ATTRIBUTE_NORMAL,
NULL
)) == INVALID_HANDLE_VALUE) {
printf("%s.sys is not loaded.\n", DRIVER_NAME);
//
// Indicate failure.
//
return FALSE;
}
//
// Close open file handle.
//
if (fileHandle) {
CloseHandle(fileHandle);
}
//
// Indicate success.
//
return TRUE;
} // SetupDriverName
|
