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-rw-r--r--src/ext/Util/ca/serviceconfig.cpp821
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diff --git a/src/ext/Util/ca/serviceconfig.cpp b/src/ext/Util/ca/serviceconfig.cpp
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1// Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information.
2
3#include "precomp.h"
4
5// structs
6LPCWSTR wzQUERY_SERVICECONFIG = L"SELECT `ServiceName`, `Component_`, `NewService`, `FirstFailureActionType`, `SecondFailureActionType`, `ThirdFailureActionType`, `ResetPeriodInDays`, `RestartServiceDelayInSeconds`, `ProgramCommandLine`, `RebootMessage` FROM `Wix4ServiceConfig`";
7enum eQUERY_SERVICECONFIG { QSC_SERVICENAME = 1, QSC_COMPONENT, QSC_NEWSERVICE, QSC_FIRSTFAILUREACTIONTYPE, QSC_SECONDFAILUREACTIONTYPE, QSC_THIRDFAILUREACTIONTYPE, QSC_RESETPERIODINDAYS, QSC_RESTARTSERVICEDELAYINSECONDS, QSC_PROGRAMCOMMANDLINE, QSC_REBOOTMESSAGE };
8
9// consts
10LPCWSTR c_wzActionTypeNone = L"none";
11LPCWSTR c_wzActionTypeReboot = L"reboot";
12LPCWSTR c_wzActionTypeRestart = L"restart";
13LPCWSTR c_wzActionTypeRunCommand = L"runCommand";
14
15// prototypes
16static SC_ACTION_TYPE GetSCActionType(
17 __in LPCWSTR pwzActionTypeName
18 );
19
20static HRESULT GetSCActionTypeString(
21 __in SC_ACTION_TYPE type,
22 __out_ecount(cchActionTypeString) LPWSTR wzActionTypeString,
23 __in DWORD cchActionTypeString
24 );
25
26static HRESULT GetService(
27 __in SC_HANDLE hSCM,
28 __in LPCWSTR wzService,
29 __in DWORD dwOpenServiceAccess,
30 __out SC_HANDLE* phService
31 );
32
33static HRESULT ConfigureService(
34 __in SC_HANDLE hSCM,
35 __in SC_HANDLE hService,
36 __in LPCWSTR wzServiceName,
37 __in DWORD dwRestartServiceDelayInSeconds,
38 __in LPCWSTR wzFirstFailureActionType,
39 __in LPCWSTR wzSecondFailureActionType,
40 __in LPCWSTR wzThirdFailureActionType,
41 __in DWORD dwResetPeriodInDays,
42 __in LPWSTR wzRebootMessage,
43 __in LPWSTR wzProgramCommandLine
44 );
45
46
47/******************************************************************
48SchedServiceConfig - entry point for SchedServiceConfig Custom Action
49
50called as Type 1 CustomAction (binary DLL) from Windows Installer
51in InstallExecuteSequence before CaExecServiceConfig
52********************************************************************/
53extern "C" UINT __stdcall SchedServiceConfig(
54 __in MSIHANDLE hInstall
55 )
56{
57 //AssertSz(FALSE, "debug SchedServiceConfig");
58 HRESULT hr = S_OK;
59 UINT er = ERROR_SUCCESS;
60
61 LPWSTR pwzScriptKey = NULL;
62 LPWSTR pwzCustomActionData = NULL;
63
64 PMSIHANDLE hView = NULL;
65 PMSIHANDLE hRec = NULL;
66 LPWSTR pwzData = NULL;
67 int iData = 0;
68 DWORD cServices = 0;
69
70 // initialize
71 hr = WcaInitialize(hInstall, "SchedServiceConfig");
72 ExitOnFailure(hr, "Failed to initialize.");
73
74 // Get the script key for this CustomAction and put it on the front of the
75 // CustomActionData of the install action.
76 hr = WcaCaScriptCreateKey(&pwzScriptKey);
77 ExitOnFailure(hr, "Failed to get encoding key.");
78
79 hr = WcaWriteStringToCaData(pwzScriptKey, &pwzCustomActionData);
80 ExitOnFailure(hr, "Failed to add encoding key to CustomActionData.");
81
82 // Loop through all the services to be configured.
83 hr = WcaOpenExecuteView(wzQUERY_SERVICECONFIG, &hView);
84 ExitOnFailure(hr, "Failed to open view on Wix4ServiceConfig table.");
85
86 while (S_OK == (hr = WcaFetchRecord(hView, &hRec)))
87 {
88 INSTALLSTATE isInstalled = INSTALLSTATE_UNKNOWN;
89 INSTALLSTATE isAction = INSTALLSTATE_UNKNOWN;
90
91 // Get component name to check if we are installing it. If so
92 // then add the table data to the CustomActionData, otherwise
93 // skip it.
94 hr = WcaGetRecordString(hRec, QSC_COMPONENT, &pwzData);
95 ExitOnFailure(hr, "Failed to get component name");
96
97 hr = ::MsiGetComponentStateW(hInstall, pwzData, &isInstalled, &isAction);
98 ExitOnFailure(hr = HRESULT_FROM_WIN32(hr), "Failed to get install state for Component: %ls", pwzData);
99
100 if (WcaIsInstalling(isInstalled, isAction))
101 {
102 // Add the data to the CustomActionData (for install).
103 hr = WcaGetRecordFormattedString(hRec, QSC_SERVICENAME, &pwzData);
104 ExitOnFailure(hr, "Failed to get name of service.");
105 hr = WcaWriteStringToCaData(pwzData, &pwzCustomActionData);
106 ExitOnFailure(hr, "Failed to add name to CustomActionData.");
107
108 hr = WcaGetRecordInteger(hRec, QSC_NEWSERVICE, &iData);
109 ExitOnFailure(hr, "Failed to get Wix4ServiceConfig.NewService.");
110 hr = WcaWriteIntegerToCaData(0 != iData, &pwzCustomActionData);
111 ExitOnFailure(hr, "Failed to add NewService data to CustomActionData");
112
113 hr = WcaGetRecordString(hRec, QSC_FIRSTFAILUREACTIONTYPE, &pwzData);
114 ExitOnFailure(hr, "failed to get first failure action type");
115 hr = WcaWriteStringToCaData(pwzData, &pwzCustomActionData);
116 ExitOnFailure(hr, "failed to add data to CustomActionData");
117
118 hr = WcaGetRecordString(hRec, QSC_SECONDFAILUREACTIONTYPE, &pwzData);
119 ExitOnFailure(hr, "failed to get second failure action type");
120 hr = WcaWriteStringToCaData(pwzData, &pwzCustomActionData);
121 ExitOnFailure(hr, "failed to add data to CustomActionData");
122
123 hr = WcaGetRecordString(hRec, QSC_THIRDFAILUREACTIONTYPE, &pwzData);
124 ExitOnFailure(hr, "failed to get third failure action type");
125 hr = WcaWriteStringToCaData(pwzData, &pwzCustomActionData);
126 ExitOnFailure(hr, "failed to add data to CustomActionData");
127
128 hr = WcaGetRecordInteger(hRec, QSC_RESETPERIODINDAYS, &iData);
129 if (S_FALSE == hr) // deal w/ possible null value
130 {
131 iData = 0;
132 }
133 ExitOnFailure(hr, "failed to get reset period in days between service restart attempts.");
134 hr = WcaWriteIntegerToCaData(iData, &pwzCustomActionData);
135 ExitOnFailure(hr, "failed to add data to CustomActionData");
136
137 hr = WcaGetRecordInteger(hRec, QSC_RESTARTSERVICEDELAYINSECONDS, &iData);
138 if (S_FALSE == hr) // deal w/ possible null value
139 {
140 iData = 0;
141 }
142 ExitOnFailure(hr, "failed to get server restart delay value.");
143 hr = WcaWriteIntegerToCaData(iData, &pwzCustomActionData);
144 ExitOnFailure(hr, "failed to add data to CustomActionData");
145
146 hr = WcaGetRecordFormattedString(hRec, QSC_PROGRAMCOMMANDLINE, &pwzData); // null value already dealt w/ properly
147 ExitOnFailure(hr, "failed to get command line to run on service failure.");
148 hr = WcaWriteStringToCaData(pwzData, &pwzCustomActionData);
149 ExitOnFailure(hr, "failed to add data to CustomActionData");
150
151 hr = WcaGetRecordString(hRec, QSC_REBOOTMESSAGE, &pwzData); // null value already dealt w/ properly
152 ExitOnFailure(hr, "failed to get message to send to users when server reboots due to service failure.");
153 hr = WcaWriteStringToCaData(pwzData, &pwzCustomActionData);
154 ExitOnFailure(hr, "failed to add data to CustomActionData");
155
156 ++cServices;
157 }
158 }
159
160 // if we looped through all records all is well
161 if (E_NOMOREITEMS == hr)
162 {
163 hr = S_OK;
164 }
165 ExitOnFailure(hr, "failed while looping through all objects to secure");
166
167 // setup CustomActionData and add to progress bar for download
168 if (0 < cServices)
169 {
170 hr = WcaDoDeferredAction(CUSTOM_ACTION_DECORATION(L"RollbackServiceConfig"), pwzScriptKey, cServices * COST_SERVICECONFIG);
171 ExitOnFailure(hr, "failed to schedule RollbackServiceConfig action");
172
173 hr = WcaDoDeferredAction(CUSTOM_ACTION_DECORATION(L"ExecServiceConfig"), pwzCustomActionData, cServices * COST_SERVICECONFIG);
174 ExitOnFailure(hr, "failed to schedule ExecServiceConfig action");
175 }
176
177LExit:
178 ReleaseStr(pwzData);
179 ReleaseStr(pwzCustomActionData);
180 ReleaseStr(pwzScriptKey);
181
182 er = SUCCEEDED(hr) ? ERROR_SUCCESS : ERROR_INSTALL_FAILURE;
183 return WcaFinalize(er);
184}
185
186
187/******************************************************************
188CaExecServiceConfig - entry point for ServiceConfig Custom Action.
189
190NOTE: deferred CustomAction since it modifies the machine
191NOTE: CustomActionData == wzServiceName\tfNewService\twzFirstFailureActionType\twzSecondFailureActionType\twzThirdFailureActionType\tdwResetPeriodInDays\tdwRestartServiceDelayInSeconds\twzProgramCommandLine\twzRebootMessage\twzServiceName\tfNewService\t...
192*******************************************************************/
193extern "C" UINT __stdcall ExecServiceConfig(
194 __in MSIHANDLE hInstall
195 )
196{
197 //AssertSz(FALSE, "debug ExecServiceConfig");
198 HRESULT hr = S_OK;
199 DWORD er = 0;
200
201 LPWSTR pwzCustomActionData = NULL;
202 LPWSTR pwz = NULL;
203
204 LPWSTR pwzScriptKey = NULL;
205 WCA_CASCRIPT_HANDLE hRollbackScript = NULL;
206
207 LPWSTR pwzServiceName = NULL;
208 BOOL fNewService = FALSE;
209 LPWSTR pwzFirstFailureActionType = NULL;
210 LPWSTR pwzSecondFailureActionType = NULL;
211 LPWSTR pwzThirdFailureActionType = NULL;
212 LPWSTR pwzProgramCommandLine = NULL;
213 LPWSTR pwzRebootMessage = NULL;
214 DWORD dwResetPeriodInDays = 0;
215 DWORD dwRestartServiceDelayInSeconds = 0;
216
217 LPVOID lpMsgBuf = NULL;
218 SC_HANDLE hSCM = NULL;
219 SC_HANDLE hService = NULL;
220
221 DWORD dwRestartDelay = 0;
222 WCHAR wzActionName[32] = { 0 };
223
224 DWORD cbExistingServiceConfig = 0;
225
226 SERVICE_FAILURE_ACTIONSW* psfa = NULL;
227
228 // initialize
229 hr = WcaInitialize(hInstall, "ExecServiceConfig");
230 ExitOnFailure(hr, "failed to initialize");
231
232 // Open the Services Control Manager up front.
233 hSCM = ::OpenSCManagerW(NULL, NULL, SC_MANAGER_CONNECT);
234 if (NULL == hSCM)
235 {
236 er = ::GetLastError();
237 hr = HRESULT_FROM_WIN32(er);
238
239#pragma prefast(push)
240#pragma prefast(disable:25028)
241 ::FormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, NULL, er, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPWSTR)&lpMsgBuf, 0, NULL);
242#pragma prefast(pop)
243
244 ExitOnFailure(hr, "Failed to get handle to SCM. Error: %ls", (LPWSTR)lpMsgBuf);
245 }
246
247 // First, get the script key out of the CustomActionData and
248 // use that to create the rollback script for this action.
249 hr = WcaGetProperty( L"CustomActionData", &pwzCustomActionData);
250 ExitOnFailure(hr, "failed to get CustomActionData");
251
252 WcaLog(LOGMSG_TRACEONLY, "CustomActionData: %ls", pwzCustomActionData);
253
254 pwz = pwzCustomActionData;
255
256 hr = WcaReadStringFromCaData(&pwz, &pwzScriptKey);
257 if (!pwzScriptKey)
258 {
259 hr = E_UNEXPECTED;
260 ExitOnFailure(hr, "Failed due to unexpected CustomActionData passed.");
261 }
262 ExitOnFailure(hr, "Failed to read encoding key from CustomActionData.");
263
264 hr = WcaCaScriptCreate(WCA_ACTION_INSTALL, WCA_CASCRIPT_ROLLBACK, FALSE, pwzScriptKey, FALSE, &hRollbackScript);
265 ExitOnFailure(hr, "Failed to open rollback CustomAction script.");
266
267 // Next, loop through the rest of the CustomActionData, processing
268 // each service config row in turn.
269 while (pwz && *pwz)
270 {
271 hr = WcaReadStringFromCaData(&pwz, &pwzServiceName);
272 ExitOnFailure(hr, "failed to process CustomActionData");
273 hr = WcaReadIntegerFromCaData(&pwz, reinterpret_cast<int*>(&fNewService));
274 ExitOnFailure(hr, "failed to process CustomActionData");
275 hr = WcaReadStringFromCaData(&pwz, &pwzFirstFailureActionType);
276 ExitOnFailure(hr, "failed to process CustomActionData");
277 hr = WcaReadStringFromCaData(&pwz, &pwzSecondFailureActionType);
278 ExitOnFailure(hr, "failed to process CustomActionData");
279 hr = WcaReadStringFromCaData(&pwz, &pwzThirdFailureActionType);
280 ExitOnFailure(hr, "failed to process CustomActionData");
281 hr = WcaReadIntegerFromCaData(&pwz, reinterpret_cast<int*>(&dwResetPeriodInDays));
282 ExitOnFailure(hr, "failed to process CustomActionData");
283 hr = WcaReadIntegerFromCaData(&pwz, reinterpret_cast<int*>(&dwRestartServiceDelayInSeconds));
284 ExitOnFailure(hr, "failed to process CustomActionData");
285 hr = WcaReadStringFromCaData(&pwz, &pwzProgramCommandLine);
286 ExitOnFailure(hr, "failed to process CustomActionData");
287 hr = WcaReadStringFromCaData(&pwz, &pwzRebootMessage);
288 ExitOnFailure(hr, "failed to process CustomActionData");
289
290 WcaLog(LOGMSG_VERBOSE, "Configuring Service: %ls", pwzServiceName);
291
292 // Open the handle with all the permissions we might need:
293 // SERVICE_QUERY_CONFIG is needed for QueryServiceConfig2().
294 // SERVICE_CHANGE_CONFIG is needed for ChangeServiceConfig2().
295 // SERVICE_START is required in order to handle SC_ACTION_RESTART action.
296 hr = GetService(hSCM, pwzServiceName, SERVICE_QUERY_CONFIG | SERVICE_CHANGE_CONFIG | SERVICE_START, &hService);
297 ExitOnFailure(hr, "Failed to get service: %ls", pwzServiceName);
298
299 // If we are configuring a service that existed on the machine, we need to
300 // read the existing service configuration and write it out to the rollback
301 // log so rollback can put it back if anything goes wrong.
302 if (!fNewService)
303 {
304 // First, read the existing service config.
305 if (!::QueryServiceConfig2W(hService, SERVICE_CONFIG_FAILURE_ACTIONS, NULL, 0, &cbExistingServiceConfig) && ERROR_INSUFFICIENT_BUFFER != ::GetLastError())
306 {
307 ExitWithLastError(hr, "Failed to get current service config info.");
308 }
309
310 psfa = static_cast<LPSERVICE_FAILURE_ACTIONSW>(MemAlloc(cbExistingServiceConfig, TRUE));
311 ExitOnNull(psfa, hr, E_OUTOFMEMORY, "failed to allocate memory for service failure actions.");
312
313 if (!::QueryServiceConfig2W(hService, SERVICE_CONFIG_FAILURE_ACTIONS, (LPBYTE)psfa, cbExistingServiceConfig, &cbExistingServiceConfig))
314 {
315 ExitOnLastError(hr, "failed to Query Service.");
316 }
317
318 // Build up rollback log so we can restore service state if necessary
319 hr = WcaCaScriptWriteString(hRollbackScript, pwzServiceName);
320 ExitOnFailure(hr, "Failed to add service name to Rollback Log");
321
322 // If this service struct is empty, fill in default values
323 if (3 > psfa->cActions)
324 {
325 hr = WcaCaScriptWriteString(hRollbackScript, c_wzActionTypeNone);
326 ExitOnFailure(hr, "failed to add data to Rollback CustomActionData");
327
328 hr = WcaCaScriptWriteString(hRollbackScript, c_wzActionTypeNone);
329 ExitOnFailure(hr, "failed to add data to Rollback CustomActionData");
330
331 hr = WcaCaScriptWriteString(hRollbackScript, c_wzActionTypeNone);
332 ExitOnFailure(hr, "failed to add data to Rollback CustomActionData");
333 }
334 else
335 {
336 // psfa actually had actions defined, so use the first three.
337 for (int i = 0; i < 3; ++i)
338 {
339 hr = GetSCActionTypeString(psfa->lpsaActions[i].Type, wzActionName, countof(wzActionName));
340 ExitOnFailure(hr, "failed to query SFA object");
341
342 if (SC_ACTION_RESTART == psfa->lpsaActions[i].Type)
343 {
344 dwRestartDelay = psfa->lpsaActions[i].Delay / 1000;
345 }
346
347 hr = WcaCaScriptWriteString(hRollbackScript, wzActionName);
348 ExitOnFailure(hr, "failed to add data to Rollback CustomActionData");
349 }
350 }
351
352 hr = WcaCaScriptWriteNumber(hRollbackScript, psfa->dwResetPeriod / (24 * 60 * 60));
353 ExitOnFailure(hr, "failed to add data to CustomActionData");
354
355 hr = WcaCaScriptWriteNumber(hRollbackScript, dwRestartDelay);
356 ExitOnFailure(hr, "failed to add data to CustomActionData");
357
358 // Handle the null cases.
359 if (!psfa->lpCommand)
360 {
361 psfa->lpCommand = L"";
362 }
363 hr = WcaCaScriptWriteString(hRollbackScript, psfa->lpCommand);
364 ExitOnFailure(hr, "failed to add data to Rollback CustomActionData");
365
366 // Handle the null cases.
367 if (!psfa->lpRebootMsg)
368 {
369 psfa->lpRebootMsg = L"";
370 }
371 hr = WcaCaScriptWriteString(hRollbackScript, psfa->lpRebootMsg);
372 ExitOnFailure(hr, "failed to add data to Rollback CustomActionData");
373
374 // Nudge the system to get all our rollback data written to disk.
375 WcaCaScriptFlush(hRollbackScript);
376
377 ReleaseNullMem(psfa);
378 }
379
380 hr = ConfigureService(hSCM, hService, pwzServiceName, dwRestartServiceDelayInSeconds, pwzFirstFailureActionType,
381 pwzSecondFailureActionType, pwzThirdFailureActionType, dwResetPeriodInDays, pwzRebootMessage, pwzProgramCommandLine);
382 ExitOnFailure(hr, "Failed to configure service: %ls", pwzServiceName);
383
384 hr = WcaProgressMessage(COST_SERVICECONFIG, FALSE);
385 ExitOnFailure(hr, "failed to send progress message");
386
387 // Per-service cleanup
388 ::CloseServiceHandle(hService);
389 hService = NULL;
390 dwResetPeriodInDays = 0;
391 dwRestartServiceDelayInSeconds = 0;
392 }
393
394LExit:
395 WcaCaScriptClose(hRollbackScript, WCA_CASCRIPT_CLOSE_PRESERVE);
396
397 if (lpMsgBuf)
398 {
399 ::LocalFree(lpMsgBuf);
400 }
401
402 if (hService)
403 {
404 ::CloseServiceHandle(hService);
405 }
406
407 if (hSCM)
408 {
409 ::CloseServiceHandle(hSCM);
410 }
411
412 ReleaseMem(psfa);
413
414 ReleaseStr(pwzRebootMessage);
415 ReleaseStr(pwzProgramCommandLine);
416 ReleaseStr(pwzThirdFailureActionType);
417 ReleaseStr(pwzSecondFailureActionType);
418 ReleaseStr(pwzFirstFailureActionType);
419 ReleaseStr(pwzServiceName);
420 ReleaseStr(pwzScriptKey);
421 ReleaseStr(pwzCustomActionData);
422
423 er = SUCCEEDED(hr) ? ERROR_SUCCESS : ERROR_INSTALL_FAILURE;
424 return WcaFinalize(er);
425}
426
427
428/******************************************************************
429RollbackServiceConfig - entry point for ServiceConfig rollback
430 Custom Action.
431
432NOTE: CustomActionScript Data == wzServiceName\twzFirstFailureActionType\twzSecondFailureActionType\twzThirdFailureActionType\tdwResetPeriodInDays\tdwRestartServiceDelayInSeconds\twzProgramCommandLine\twzRebootMessage\twzServiceName\t...
433*******************************************************************/
434extern "C" UINT __stdcall RollbackServiceConfig(
435 __in MSIHANDLE hInstall
436 )
437{
438 //AssertSz(FALSE, "debug RollbackServiceConfig");
439 HRESULT hr = S_OK;
440 DWORD er = 0;
441
442 LPWSTR pwzCustomActionData = NULL;
443 LPWSTR pwz = NULL;
444
445 LPWSTR pwzScriptKey = NULL;
446 WCA_CASCRIPT_HANDLE hRollbackScript = NULL;
447
448 LPWSTR pwzServiceName = NULL;
449 LPWSTR pwzFirstFailureActionType = NULL;
450 LPWSTR pwzSecondFailureActionType = NULL;
451 LPWSTR pwzThirdFailureActionType = NULL;
452 LPWSTR pwzProgramCommandLine = NULL;
453 LPWSTR pwzRebootMessage = NULL;
454 DWORD dwResetPeriodInDays = 0;
455 DWORD dwRestartServiceDelayInSeconds = 0;
456
457 LPVOID lpMsgBuf = NULL;
458 SC_HANDLE hSCM = NULL;
459 SC_HANDLE hService = NULL;
460
461 // initialize
462 hr = WcaInitialize(hInstall, "RollbackServiceConfig");
463 ExitOnFailure(hr, "Failed to initialize 'RollbackServiceConfig'.");
464
465 // Open the Services Control Manager up front.
466 hSCM = ::OpenSCManagerW(NULL, NULL, SC_MANAGER_CONNECT);
467 if (NULL == hSCM)
468 {
469 er = ::GetLastError();
470 hr = HRESULT_FROM_WIN32(er);
471
472#pragma prefast(push)
473#pragma prefast(disable:25028)
474 ::FormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, NULL, er, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPWSTR)&lpMsgBuf, 0, NULL);
475#pragma prefast(pop)
476
477 ExitOnFailure(hr, "Failed to get handle to SCM. Error: %ls", (LPWSTR)lpMsgBuf);
478
479 // Make sure we still abort, in case hSCM was NULL but no error was returned from GetLastError
480 ExitOnNull(hSCM, hr, E_POINTER, "Getting handle to SCM reported success, but no handle was returned.");
481 }
482
483 // Get the script key from the CustomAction data and use it to open
484 // the rollback log and read the data over the CustomActionData
485 // because all of the information is in the script data not the
486 // CustomActionData.
487 hr = WcaGetProperty( L"CustomActionData", &pwzCustomActionData);
488 ExitOnFailure(hr, "failed to get CustomActionData");
489
490 WcaLog(LOGMSG_TRACEONLY, "CustomActionData: %ls", pwzCustomActionData);
491
492 pwz = pwzCustomActionData;
493
494 hr = WcaReadStringFromCaData(&pwz, &pwzScriptKey);
495 if (!pwzScriptKey)
496 {
497 hr = E_UNEXPECTED;
498 ExitOnFailure(hr, "Failed due to unexpected CustomActionData passed.");
499 }
500 ExitOnFailure(hr, "Failed to read encoding key from CustomActionData.");
501
502 hr = WcaCaScriptOpen(WCA_ACTION_INSTALL, WCA_CASCRIPT_ROLLBACK, FALSE, pwzScriptKey, &hRollbackScript);
503 ExitOnFailure(hr, "Failed to open rollback CustomAction script.");
504
505 hr = WcaCaScriptReadAsCustomActionData(hRollbackScript, &pwzCustomActionData);
506 ExitOnFailure(hr, "Failed to read rollback script into CustomAction data.");
507
508 // Loop through the script's CustomActionData, processing each
509 // service config in turn.
510 pwz = pwzCustomActionData;
511 while (pwz && *pwz)
512 {
513 hr = WcaReadStringFromCaData(&pwz, &pwzServiceName);
514 ExitOnFailure(hr, "failed to process CustomActionData");
515 hr = WcaReadStringFromCaData(&pwz, &pwzFirstFailureActionType);
516 ExitOnFailure(hr, "failed to process CustomActionData");
517 hr = WcaReadStringFromCaData(&pwz, &pwzSecondFailureActionType);
518 ExitOnFailure(hr, "failed to process CustomActionData");
519 hr = WcaReadStringFromCaData(&pwz, &pwzThirdFailureActionType);
520 ExitOnFailure(hr, "failed to process CustomActionData");
521 hr = WcaReadIntegerFromCaData(&pwz, reinterpret_cast<int*>(&dwResetPeriodInDays));
522 ExitOnFailure(hr, "failed to process CustomActionData");
523 hr = WcaReadIntegerFromCaData(&pwz, reinterpret_cast<int*>(&dwRestartServiceDelayInSeconds));
524 ExitOnFailure(hr, "failed to process CustomActionData");
525 hr = WcaReadStringFromCaData(&pwz, &pwzProgramCommandLine);
526 ExitOnFailure(hr, "failed to process CustomActionData");
527 hr = WcaReadStringFromCaData(&pwz, &pwzRebootMessage);
528 ExitOnFailure(hr, "failed to process CustomActionData");
529
530 WcaLog(LOGMSG_VERBOSE, "Reconfiguring Service: %ls", pwzServiceName);
531
532 // Open the handle with all the permissions we might need.
533 // SERVICE_CHANGE_CONFIG is needed for ChangeServiceConfig2().
534 // SERVICE_START is required in order to handle SC_ACTION_RESTART action.
535 hr = GetService(hSCM, pwzServiceName, SERVICE_CHANGE_CONFIG | SERVICE_START, &hService);
536 ExitOnFailure(hr, "Failed to get service: %ls", pwzServiceName);
537
538 hr = ConfigureService(hSCM, hService, pwzServiceName, dwRestartServiceDelayInSeconds, pwzFirstFailureActionType,
539 pwzSecondFailureActionType, pwzThirdFailureActionType, dwResetPeriodInDays, pwzRebootMessage, pwzProgramCommandLine);
540 ExitOnFailure(hr, "Failed to configure service: %ls", pwzServiceName);
541
542 hr = WcaProgressMessage(COST_SERVICECONFIG, FALSE);
543 ExitOnFailure(hr, "failed to send progress message");
544
545 // Per-service cleanup
546 ::CloseServiceHandle(hService);
547 hService = NULL;
548 dwResetPeriodInDays = 0;
549 dwRestartServiceDelayInSeconds = 0;
550 }
551
552LExit:
553 if (lpMsgBuf) // Allocated with FormatString.
554 {
555 ::LocalFree(lpMsgBuf);
556 }
557
558 if (hService)
559 {
560 ::CloseServiceHandle(hService);
561 }
562
563 if (hSCM)
564 {
565 ::CloseServiceHandle(hSCM);
566 }
567
568 WcaCaScriptClose(hRollbackScript, WCA_CASCRIPT_CLOSE_DELETE);
569
570 ReleaseStr(pwzRebootMessage);
571 ReleaseStr(pwzProgramCommandLine);
572 ReleaseStr(pwzThirdFailureActionType);
573 ReleaseStr(pwzSecondFailureActionType);
574 ReleaseStr(pwzFirstFailureActionType);
575 ReleaseStr(pwzServiceName);
576 ReleaseStr(pwzScriptKey);
577 ReleaseStr(pwzCustomActionData);
578
579 er = SUCCEEDED(hr) ? ERROR_SUCCESS : ERROR_INSTALL_FAILURE;
580 return WcaFinalize(er);
581}
582
583
584/**********************************************************
585GetSCActionType - helper function to return the SC_ACTION_TYPE
586for a given string matching the allowed set.
587REBOOT, RESTART, RUN_COMMAND and NONE
588**********************************************************/
589static SC_ACTION_TYPE GetSCActionType(
590 __in LPCWSTR pwzActionTypeName
591 )
592{
593 SC_ACTION_TYPE actionType;
594
595 // verify that action types are valid. if not, just default to NONE
596 if (0 == lstrcmpiW(c_wzActionTypeReboot, pwzActionTypeName))
597 {
598 actionType = SC_ACTION_REBOOT;
599 }
600 else if (0 == lstrcmpiW(c_wzActionTypeRestart, pwzActionTypeName))
601 {
602 actionType = SC_ACTION_RESTART;
603 }
604 else if (0 == lstrcmpiW(c_wzActionTypeRunCommand, pwzActionTypeName))
605 {
606 actionType = SC_ACTION_RUN_COMMAND;
607 }
608 else
609 {
610 // default to none
611 actionType = SC_ACTION_NONE;
612 }
613
614 return actionType;
615}
616
617
618static HRESULT GetSCActionTypeString(
619 __in SC_ACTION_TYPE type,
620 __out_ecount(cchActionTypeString) LPWSTR wzActionTypeString,
621 __in DWORD cchActionTypeString
622 )
623{
624 HRESULT hr = S_OK;
625
626 switch (type)
627 {
628 case SC_ACTION_REBOOT:
629 hr = StringCchCopyW(wzActionTypeString, cchActionTypeString, c_wzActionTypeReboot);
630 ExitOnFailure(hr, "Failed to copy 'reboot' into action type.");
631 break;
632 case SC_ACTION_RESTART:
633 hr = StringCchCopyW(wzActionTypeString, cchActionTypeString, c_wzActionTypeRestart);
634 ExitOnFailure(hr, "Failed to copy 'restart' into action type.");
635 break;
636 case SC_ACTION_RUN_COMMAND:
637 hr = StringCchCopyW(wzActionTypeString, cchActionTypeString, c_wzActionTypeRunCommand);
638 ExitOnFailure(hr, "Failed to copy 'runCommand' into action type.");
639 break;
640 case SC_ACTION_NONE:
641 hr = StringCchCopyW(wzActionTypeString, cchActionTypeString, c_wzActionTypeNone);
642 ExitOnFailure(hr, "Failed to copy 'none' into action type.");
643 break;
644 default:
645 break;
646 }
647
648LExit:
649 return hr;
650}
651
652
653static HRESULT GetService(
654 __in SC_HANDLE hSCM,
655 __in LPCWSTR wzService,
656 __in DWORD dwOpenServiceAccess,
657 __out SC_HANDLE* phService
658 )
659{
660 HRESULT hr = S_OK;
661 DWORD er = ERROR_SUCCESS;
662 LPVOID lpMsgBuf = NULL;
663
664 *phService = ::OpenServiceW(hSCM, wzService, dwOpenServiceAccess);
665 if (NULL == *phService)
666 {
667 er = ::GetLastError();
668 hr = HRESULT_FROM_WIN32(er);
669 if (ERROR_SERVICE_DOES_NOT_EXIST == er)
670 {
671 ExitOnFailure(hr, "Service '%ls' does not exist on this system.", wzService);
672 }
673 else
674 {
675#pragma prefast(push)
676#pragma prefast(disable:25028)
677 ::FormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, NULL, er, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPWSTR)&lpMsgBuf, 0, NULL);
678#pragma prefast(pop)
679
680 ExitOnFailure(hr, "Failed to get handle to the service '%ls'. Error: %ls", wzService, (LPWSTR)lpMsgBuf);
681 }
682 }
683
684LExit:
685 if (lpMsgBuf) // Allocated with FormatString.
686 {
687 ::LocalFree(lpMsgBuf);
688 }
689
690 return hr;
691}
692
693
694static HRESULT ConfigureService(
695 __in SC_HANDLE /*hSCM*/,
696 __in SC_HANDLE hService,
697 __in LPCWSTR wzServiceName,
698 __in DWORD dwRestartServiceDelayInSeconds,
699 __in LPCWSTR wzFirstFailureActionType,
700 __in LPCWSTR wzSecondFailureActionType,
701 __in LPCWSTR wzThirdFailureActionType,
702 __in DWORD dwResetPeriodInDays,
703 __in LPWSTR wzRebootMessage,
704 __in LPWSTR wzProgramCommandLine
705 )
706{
707 HRESULT hr = S_OK;
708 DWORD er = ERROR_SUCCESS;
709
710 HANDLE hToken = NULL;
711 TOKEN_PRIVILEGES priv = { 0 };
712 TOKEN_PRIVILEGES* pPrevPriv = NULL;
713 DWORD cbPrevPriv = 0;
714 BOOL fAdjustedPrivileges = FALSE;
715
716 SC_ACTION actions[3]; // the UI always shows 3 actions, so we'll always do 3
717 SERVICE_FAILURE_ACTIONSW sfa;
718 LPVOID lpMsgBuf = NULL;
719
720 // Always get the shutdown privilege in case we need to configure service to reboot.
721 if (!::OpenProcessToken(::GetCurrentProcess(), TOKEN_QUERY | TOKEN_ADJUST_PRIVILEGES, &hToken))
722 {
723 ExitWithLastError(hr, "Failed to get process token.");
724 }
725
726 priv.PrivilegeCount = 1;
727 priv.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
728 if (!::LookupPrivilegeValueW(NULL, L"SeShutdownPrivilege", &priv.Privileges[0].Luid))
729 {
730 ExitWithLastError(hr, "Failed to get shutdown privilege LUID.");
731 }
732
733 cbPrevPriv = sizeof(TOKEN_PRIVILEGES);
734 pPrevPriv = static_cast<TOKEN_PRIVILEGES*>(MemAlloc(cbPrevPriv, TRUE));
735 ExitOnNull(pPrevPriv, hr, E_OUTOFMEMORY, "Failed to allocate memory for empty previous privileges.");
736
737 if (!::AdjustTokenPrivileges(hToken, FALSE, &priv, cbPrevPriv, pPrevPriv, &cbPrevPriv))
738 {
739 LPVOID pv = MemReAlloc(pPrevPriv, cbPrevPriv, TRUE);
740 ExitOnNull(pv, hr, E_OUTOFMEMORY, "Failed to allocate memory for previous privileges.");
741 pPrevPriv = static_cast<TOKEN_PRIVILEGES*>(pv);
742
743 if (!::AdjustTokenPrivileges(hToken, FALSE, &priv, cbPrevPriv, pPrevPriv, &cbPrevPriv))
744 {
745 ExitWithLastError(hr, "Failed to get shutdown privilege LUID.");
746 }
747 }
748
749 fAdjustedPrivileges = TRUE;
750
751 // build up SC_ACTION array
752 // TODO: why is delay only respected when SC_ACTION_RESTART is requested?
753 actions[0].Type = GetSCActionType(wzFirstFailureActionType);
754 actions[0].Delay = 0;
755 if (SC_ACTION_RESTART == actions[0].Type)
756 {
757 actions[0].Delay = dwRestartServiceDelayInSeconds * 1000; // seconds to milliseconds
758 }
759
760 actions[1].Type = GetSCActionType(wzSecondFailureActionType);
761 actions[1].Delay = 0;
762 if (SC_ACTION_RESTART == actions[1].Type)
763 {
764 actions[1].Delay = dwRestartServiceDelayInSeconds * 1000; // seconds to milliseconds
765 }
766
767 actions[2].Type = GetSCActionType(wzThirdFailureActionType);
768 actions[2].Delay = 0;
769 if (SC_ACTION_RESTART == actions[2].Type)
770 {
771 actions[2].Delay = dwRestartServiceDelayInSeconds * 1000; // seconds to milliseconds
772 }
773
774 // build up the SERVICE_FAILURE_ACTIONSW struct
775 sfa.dwResetPeriod = dwResetPeriodInDays * (24 * 60 * 60); // days to seconds
776 sfa.lpRebootMsg = wzRebootMessage;
777 sfa.lpCommand = wzProgramCommandLine;
778 sfa.cActions = countof(actions);
779 sfa.lpsaActions = actions;
780
781 // Call ChangeServiceConfig2 to actually set up the failure actions
782 if (!::ChangeServiceConfig2W(hService, SERVICE_CONFIG_FAILURE_ACTIONS, (LPVOID)&sfa))
783 {
784 er = ::GetLastError();
785 hr = HRESULT_FROM_WIN32(er);
786
787#pragma prefast(push)
788#pragma prefast(disable:25028)
789 ::FormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, NULL, er, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPWSTR)&lpMsgBuf, 0, NULL);
790#pragma prefast(pop)
791
792 // Check if this is a service that can't be modified.
793 if (ERROR_CANNOT_DETECT_PROCESS_ABORT == er)
794 {
795 WcaLog(LOGMSG_STANDARD, "WARNING: Service \"%ls\" is not configurable on this server and will not be set.", wzServiceName);
796 }
797 ExitOnFailure(hr, "Cannot change service configuration. Error: %ls", (LPWSTR)lpMsgBuf);
798
799 if (lpMsgBuf)
800 {
801 ::LocalFree(lpMsgBuf);
802 lpMsgBuf = NULL;
803 }
804 }
805
806LExit:
807 if (lpMsgBuf)
808 {
809 ::LocalFree(lpMsgBuf);
810 }
811
812 if (fAdjustedPrivileges)
813 {
814 ::AdjustTokenPrivileges(hToken, FALSE, pPrevPriv, 0, NULL, NULL);
815 }
816
817 ReleaseMem(pPrevPriv);
818 ReleaseHandle(hToken);
819
820 return hr;
821}
generated by cgit v1.2.3-55-g6feb (git 2.39.1) at 2025-04-25 17:25:53 +0000