| 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 | #define XMLCONFIG_ELEMENT 0x00000001 |
| 6 | #define XMLCONFIG_VALUE 0x00000002 |
| 7 | #define XMLCONFIG_DOCUMENT 0x00000004 |
| 8 | #define XMLCONFIG_CREATE 0x00000010 |
| 9 | #define XMLCONFIG_DELETE 0x00000020 |
| 10 | #define XMLCONFIG_INSTALL 0x00000100 |
| 11 | #define XMLCONFIG_UNINSTALL 0x00000200 |
| 12 | #define XMLCONFIG_PRESERVE_MODIFIED 0x00001000 |
| 13 | |
| 14 | enum eXmlAction |
| 15 | { |
| 16 | xaUnknown = 0, |
| 17 | xaOpenFile, |
| 18 | xaOpenFilex64, |
| 19 | xaWriteValue, |
| 20 | xaWriteDocument, |
| 21 | xaDeleteValue, |
| 22 | xaCreateElement, |
| 23 | xaDeleteElement, |
| 24 | }; |
| 25 | |
| 26 | enum eXmlPreserveDate |
| 27 | { |
| 28 | xdDontPreserve = 0, |
| 29 | xdPreserve |
| 30 | }; |
| 31 | |
| 32 | LPCWSTR vcsXmlConfigQuery = |
| 33 | L"SELECT `Wix4XmlConfig`.`XmlConfig`, `Wix4XmlConfig`.`File`, `Wix4XmlConfig`.`ElementId`, `Wix4XmlConfig`.`ElementPath`, `Wix4XmlConfig`.`VerifyPath`, `Wix4XmlConfig`.`Name`, " |
| 34 | L"`Wix4XmlConfig`.`Value`, `Wix4XmlConfig`.`Flags`, `Wix4XmlConfig`.`Component_`, `Component`.`Attributes` " |
| 35 | L"FROM `Wix4XmlConfig`,`Component` WHERE `Wix4XmlConfig`.`Component_`=`Component`.`Component` ORDER BY `File`, `Sequence`"; |
| 36 | enum eXmlConfigQuery { xfqXmlConfig = 1, xfqFile, xfqElementId, xfqElementPath, xfqVerifyPath, xfqName, xfqValue, xfqXmlFlags, xfqComponent, xfqCompAttributes }; |
| 37 | |
| 38 | struct XML_CONFIG_CHANGE |
| 39 | { |
| 40 | WCHAR wzId[MAX_DARWIN_KEY + 1]; |
| 41 | |
| 42 | WCHAR wzComponent[MAX_DARWIN_KEY + 1]; |
| 43 | INSTALLSTATE isInstalled; |
| 44 | INSTALLSTATE isAction; |
| 45 | |
| 46 | WCHAR wzFile[MAX_PATH]; |
| 47 | LPWSTR pwzElementId; |
| 48 | LPWSTR pwzElementPath; |
| 49 | LPWSTR pwzVerifyPath; |
| 50 | WCHAR wzName[MAX_DARWIN_COLUMN]; |
| 51 | LPWSTR pwzValue; |
| 52 | BOOL fInstalledFile; |
| 53 | |
| 54 | int iXmlFlags; |
| 55 | int iCompAttributes; |
| 56 | |
| 57 | XML_CONFIG_CHANGE* pxfcAdditionalChanges; |
| 58 | int cAdditionalChanges; |
| 59 | |
| 60 | XML_CONFIG_CHANGE* pxfcPrev; |
| 61 | XML_CONFIG_CHANGE* pxfcNext; |
| 62 | }; |
| 63 | |
| 64 | static HRESULT FreeXmlConfigChangeList( |
| 65 | __in_opt XML_CONFIG_CHANGE* pxfcList |
| 66 | ) |
| 67 | { |
| 68 | HRESULT hr = S_OK; |
| 69 | |
| 70 | XML_CONFIG_CHANGE* pxfcDelete; |
| 71 | while(pxfcList) |
| 72 | { |
| 73 | pxfcDelete = pxfcList; |
| 74 | pxfcList = pxfcList->pxfcNext; |
| 75 | |
| 76 | if (pxfcDelete->pwzElementId) |
| 77 | { |
| 78 | hr = MemFree(pxfcDelete->pwzElementId); |
| 79 | ExitOnFailure(hr, "failed to free xml config element id in change list item"); |
| 80 | } |
| 81 | |
| 82 | if (pxfcDelete->pwzElementPath) |
| 83 | { |
| 84 | hr = MemFree(pxfcDelete->pwzElementPath); |
| 85 | ExitOnFailure(hr, "failed to free xml config element path in change list item"); |
| 86 | } |
| 87 | |
| 88 | if (pxfcDelete->pwzVerifyPath) |
| 89 | { |
| 90 | hr = MemFree(pxfcDelete->pwzVerifyPath); |
| 91 | ExitOnFailure(hr, "failed to free xml config verify path in change list item"); |
| 92 | } |
| 93 | |
| 94 | if (pxfcDelete->pwzValue) |
| 95 | { |
| 96 | hr = MemFree(pxfcDelete->pwzValue); |
| 97 | ExitOnFailure(hr, "failed to free xml config value in change list item"); |
| 98 | } |
| 99 | |
| 100 | hr = MemFree(pxfcDelete); |
| 101 | ExitOnFailure(hr, "failed to free xml config change list item"); |
| 102 | } |
| 103 | |
| 104 | LExit: |
| 105 | return hr; |
| 106 | } |
| 107 | |
| 108 | static HRESULT AddXmlConfigChangeToList( |
| 109 | __inout XML_CONFIG_CHANGE** ppxfcHead, |
| 110 | __inout XML_CONFIG_CHANGE** ppxfcTail |
| 111 | ) |
| 112 | { |
| 113 | Assert(ppxfcHead && ppxfcTail); |
| 114 | |
| 115 | HRESULT hr = S_OK; |
| 116 | |
| 117 | XML_CONFIG_CHANGE* pxfc = static_cast<XML_CONFIG_CHANGE*>(MemAlloc(sizeof(XML_CONFIG_CHANGE), TRUE)); |
| 118 | ExitOnNull(pxfc, hr, E_OUTOFMEMORY, "failed to allocate memory for new xml file change list element"); |
| 119 | |
| 120 | // Add it to the end of the list |
| 121 | if (NULL == *ppxfcHead) |
| 122 | { |
| 123 | *ppxfcHead = pxfc; |
| 124 | *ppxfcTail = pxfc; |
| 125 | } |
| 126 | else |
| 127 | { |
| 128 | Assert(*ppxfcTail && (*ppxfcTail)->pxfcNext == NULL); |
| 129 | (*ppxfcTail)->pxfcNext = pxfc; |
| 130 | pxfc->pxfcPrev = *ppxfcTail; |
| 131 | *ppxfcTail = pxfc; |
| 132 | } |
| 133 | |
| 134 | LExit: |
| 135 | return hr; |
| 136 | } |
| 137 | |
| 138 | |
| 139 | static HRESULT ReadXmlConfigTable( |
| 140 | __inout XML_CONFIG_CHANGE** ppxfcHead, |
| 141 | __inout XML_CONFIG_CHANGE** ppxfcTail |
| 142 | ) |
| 143 | { |
| 144 | Assert(ppxfcHead && ppxfcTail); |
| 145 | |
| 146 | HRESULT hr = S_OK; |
| 147 | UINT er = ERROR_SUCCESS; |
| 148 | |
| 149 | PMSIHANDLE hView = NULL; |
| 150 | PMSIHANDLE hRec = NULL; |
| 151 | |
| 152 | LPWSTR pwzData = NULL; |
| 153 | |
| 154 | // loop through all the xml configurations |
| 155 | hr = WcaOpenExecuteView(vcsXmlConfigQuery, &hView); |
| 156 | ExitOnFailure(hr, "failed to open view on Wix4XmlConfig table"); |
| 157 | |
| 158 | while (S_OK == (hr = WcaFetchRecord(hView, &hRec))) |
| 159 | { |
| 160 | hr = AddXmlConfigChangeToList(ppxfcHead, ppxfcTail); |
| 161 | ExitOnFailure(hr, "failed to add xml file change to list"); |
| 162 | |
| 163 | // Get record Id |
| 164 | hr = WcaGetRecordString(hRec, xfqXmlConfig, &pwzData); |
| 165 | ExitOnFailure(hr, "failed to get Wix4XmlConfig record Id"); |
| 166 | hr = StringCchCopyW((*ppxfcTail)->wzId, countof((*ppxfcTail)->wzId), pwzData); |
| 167 | ExitOnFailure(hr, "failed to copy Wix4XmlConfig record Id"); |
| 168 | |
| 169 | // Get component name |
| 170 | hr = WcaGetRecordString(hRec, xfqComponent, &pwzData); |
| 171 | ExitOnFailure(hr, "failed to get component name for Wix4XmlConfig: %ls", (*ppxfcTail)->wzId); |
| 172 | |
| 173 | // Get the component's state |
| 174 | if (pwzData && *pwzData) |
| 175 | { |
| 176 | hr = StringCchCopyW((*ppxfcTail)->wzComponent, countof((*ppxfcTail)->wzComponent), pwzData); |
| 177 | ExitOnFailure(hr, "failed to copy component id"); |
| 178 | |
| 179 | er = ::MsiGetComponentStateW(WcaGetInstallHandle(), (*ppxfcTail)->wzComponent, &(*ppxfcTail)->isInstalled, &(*ppxfcTail)->isAction); |
| 180 | ExitOnFailure(hr = HRESULT_FROM_WIN32(er), "failed to get install state for component id"); |
| 181 | } |
| 182 | |
| 183 | // Get the xml file |
| 184 | hr = WcaGetRecordFormattedString(hRec, xfqFile, &pwzData); |
| 185 | ExitOnFailure(hr, "failed to get xml file for Wix4XmlConfig: %ls", (*ppxfcTail)->wzId); |
| 186 | hr = StringCchCopyW((*ppxfcTail)->wzFile, countof((*ppxfcTail)->wzFile), pwzData); |
| 187 | ExitOnFailure(hr, "failed to copy xml file path"); |
| 188 | |
| 189 | // Figure out if the file is already on the machine or if it's being installed |
| 190 | hr = WcaGetRecordString(hRec, xfqFile, &pwzData); |
| 191 | ExitOnFailure(hr, "failed to get xml file for Wix4XmlConfig: %ls", (*ppxfcTail)->wzId); |
| 192 | if (NULL != wcsstr(pwzData, L"[!") || NULL != wcsstr(pwzData, L"[#")) |
| 193 | { |
| 194 | (*ppxfcTail)->fInstalledFile = TRUE; |
| 195 | } |
| 196 | |
| 197 | // Get the Wix4XmlConfig table flags |
| 198 | hr = WcaGetRecordInteger(hRec, xfqXmlFlags, &(*ppxfcTail)->iXmlFlags); |
| 199 | ExitOnFailure(hr, "failed to get Wix4XmlConfig flags for Wix4XmlConfig: %ls", (*ppxfcTail)->wzId); |
| 200 | |
| 201 | // Get the Element Id |
| 202 | hr = WcaGetRecordFormattedString(hRec, xfqElementId, &(*ppxfcTail)->pwzElementId); |
| 203 | ExitOnFailure(hr, "failed to get Element Id for Wix4XmlConfig: %ls", (*ppxfcTail)->wzId); |
| 204 | |
| 205 | // Get the Element Path |
| 206 | hr = WcaGetRecordFormattedString(hRec, xfqElementPath, &(*ppxfcTail)->pwzElementPath); |
| 207 | ExitOnFailure(hr, "failed to get Element Path for Wix4XmlConfig: %ls", (*ppxfcTail)->wzId); |
| 208 | |
| 209 | // Get the Verify Path |
| 210 | hr = WcaGetRecordFormattedString(hRec, xfqVerifyPath, &(*ppxfcTail)->pwzVerifyPath); |
| 211 | ExitOnFailure(hr, "failed to get Verify Path for Wix4XmlConfig: %ls", (*ppxfcTail)->wzId); |
| 212 | |
| 213 | // Get the name |
| 214 | hr = WcaGetRecordFormattedString(hRec, xfqName, &pwzData); |
| 215 | ExitOnFailure(hr, "failed to get Name for Wix4XmlConfig: %ls", (*ppxfcTail)->wzId); |
| 216 | hr = StringCchCopyW((*ppxfcTail)->wzName, countof((*ppxfcTail)->wzName), pwzData); |
| 217 | ExitOnFailure(hr, "failed to copy name of element"); |
| 218 | |
| 219 | // Get the value |
| 220 | hr = WcaGetRecordFormattedString(hRec, xfqValue, &pwzData); |
| 221 | ExitOnFailure(hr, "failed to get Value for Wix4XmlConfig: %ls", (*ppxfcTail)->wzId); |
| 222 | hr = StrAllocString(&(*ppxfcTail)->pwzValue, pwzData, 0); |
| 223 | ExitOnFailure(hr, "failed to allocate buffer for value"); |
| 224 | |
| 225 | // Get the component attributes |
| 226 | hr = WcaGetRecordInteger(hRec, xfqCompAttributes, &(*ppxfcTail)->iCompAttributes); |
| 227 | ExitOnFailure(hr, "failed to get component attributes for Wix4XmlConfig: %ls", (*ppxfcTail)->wzId); |
| 228 | } |
| 229 | |
| 230 | // if we looped through all records all is well |
| 231 | if (E_NOMOREITEMS == hr) |
| 232 | { |
| 233 | hr = S_OK; |
| 234 | } |
| 235 | ExitOnFailure(hr, "failed while looping through all objects to secure"); |
| 236 | |
| 237 | LExit: |
| 238 | ReleaseStr(pwzData); |
| 239 | |
| 240 | return hr; |
| 241 | } |
| 242 | |
| 243 | static HRESULT ProcessChanges( |
| 244 | __inout XML_CONFIG_CHANGE** ppxfcHead |
| 245 | ) |
| 246 | { |
| 247 | Assert(ppxfcHead && *ppxfcHead); |
| 248 | HRESULT hr = S_OK; |
| 249 | |
| 250 | XML_CONFIG_CHANGE* pxfc = NULL; |
| 251 | XML_CONFIG_CHANGE* pxfcNext = NULL; |
| 252 | XML_CONFIG_CHANGE* pxfcCheck = NULL; |
| 253 | int cAdditionalChanges = 0; |
| 254 | XML_CONFIG_CHANGE* pxfcLast = NULL; |
| 255 | |
| 256 | // If there's only one item in the list, none of this matters |
| 257 | if (pxfc && !pxfc->pxfcNext) |
| 258 | { |
| 259 | ExitFunction(); |
| 260 | } |
| 261 | |
| 262 | // Loop through the list |
| 263 | pxfc = *ppxfcHead; |
| 264 | while (pxfc) |
| 265 | { |
| 266 | // Keep track of where our next spot will be since our current node may be moved |
| 267 | pxfcNext = pxfc->pxfcNext; |
| 268 | |
| 269 | // With each node, check to see if its element path matches the Id of some other node in the list |
| 270 | pxfcCheck = *ppxfcHead; |
| 271 | while (pxfcCheck) |
| 272 | { |
| 273 | if (pxfc->pwzElementId && *pxfc->pwzElementId) |
| 274 | { |
| 275 | if (0 == lstrcmpW(pxfc->pwzElementId, pxfcCheck->wzId) |
| 276 | && 0 == pxfc->iXmlFlags |
| 277 | && XMLCONFIG_CREATE & pxfcCheck->iXmlFlags |
| 278 | && XMLCONFIG_ELEMENT & pxfcCheck->iXmlFlags) |
| 279 | { |
| 280 | // We found a match. First, take it out of the current list |
| 281 | if (pxfc->pxfcPrev) |
| 282 | { |
| 283 | pxfc->pxfcPrev->pxfcNext = pxfc->pxfcNext; |
| 284 | } |
| 285 | else // it was the head. Update the head |
| 286 | { |
| 287 | *ppxfcHead = pxfc->pxfcNext; |
| 288 | } |
| 289 | |
| 290 | if (pxfc->pxfcNext) |
| 291 | { |
| 292 | pxfc->pxfcNext->pxfcPrev = pxfc->pxfcPrev; |
| 293 | } |
| 294 | |
| 295 | pxfc->pxfcNext = NULL; |
| 296 | pxfc->pxfcPrev = NULL; |
| 297 | |
| 298 | // Now, add this node to the end of the matched node's additional changes list |
| 299 | if (!pxfcCheck->pxfcAdditionalChanges) |
| 300 | { |
| 301 | pxfcCheck->pxfcAdditionalChanges = pxfc; |
| 302 | pxfcCheck->cAdditionalChanges = 1; |
| 303 | } |
| 304 | else |
| 305 | { |
| 306 | pxfcLast = pxfcCheck->pxfcAdditionalChanges; |
| 307 | cAdditionalChanges = 1; |
| 308 | while (pxfcLast->pxfcNext) |
| 309 | { |
| 310 | pxfcLast = pxfcLast->pxfcNext; |
| 311 | ++cAdditionalChanges; |
| 312 | } |
| 313 | pxfcLast->pxfcNext = pxfc; |
| 314 | pxfc->pxfcPrev = pxfcLast; |
| 315 | pxfcCheck->cAdditionalChanges = ++cAdditionalChanges; |
| 316 | } |
| 317 | } |
| 318 | } |
| 319 | |
| 320 | pxfcCheck = pxfcCheck->pxfcNext; |
| 321 | } |
| 322 | |
| 323 | pxfc = pxfcNext; |
| 324 | } |
| 325 | |
| 326 | LExit: |
| 327 | |
| 328 | return hr; |
| 329 | } |
| 330 | |
| 331 | |
| 332 | static HRESULT BeginChangeFile( |
| 333 | __in LPCWSTR pwzFile, |
| 334 | __in int iCompAttributes, |
| 335 | __inout LPWSTR* ppwzCustomActionData |
| 336 | ) |
| 337 | { |
| 338 | Assert(pwzFile && *pwzFile && ppwzCustomActionData); |
| 339 | |
| 340 | HRESULT hr = S_OK; |
| 341 | BOOL fIs64Bit = iCompAttributes & msidbComponentAttributes64bit; |
| 342 | |
| 343 | LPBYTE pbData = NULL; |
| 344 | SIZE_T cbData = 0; |
| 345 | |
| 346 | LPWSTR pwzRollbackCustomActionData = NULL; |
| 347 | |
| 348 | if (fIs64Bit) |
| 349 | { |
| 350 | hr = WcaWriteIntegerToCaData((int)xaOpenFilex64, ppwzCustomActionData); |
| 351 | ExitOnFailure(hr, "failed to write 64-bit file indicator to custom action data"); |
| 352 | } |
| 353 | else |
| 354 | { |
| 355 | hr = WcaWriteIntegerToCaData((int)xaOpenFile, ppwzCustomActionData); |
| 356 | ExitOnFailure(hr, "failed to write file indicator to custom action data"); |
| 357 | } |
| 358 | |
| 359 | hr = WcaWriteStringToCaData(pwzFile, ppwzCustomActionData); |
| 360 | ExitOnFailure(hr, "failed to write file to custom action data: %ls", pwzFile); |
| 361 | |
| 362 | // If the file already exits, then we have to put it back the way it was on failure |
| 363 | if (FileExistsEx(pwzFile, NULL)) |
| 364 | { |
| 365 | hr = FileRead(&pbData, &cbData, pwzFile); |
| 366 | ExitOnFailure(hr, "failed to read file: %ls", pwzFile); |
| 367 | |
| 368 | // Set up the rollback for this file |
| 369 | hr = WcaWriteIntegerToCaData((int)fIs64Bit, &pwzRollbackCustomActionData); |
| 370 | ExitOnFailure(hr, "failed to write component bitness to rollback custom action data"); |
| 371 | |
| 372 | hr = WcaWriteStringToCaData(pwzFile, &pwzRollbackCustomActionData); |
| 373 | ExitOnFailure(hr, "failed to write file name to rollback custom action data: %ls", pwzFile); |
| 374 | |
| 375 | hr = WcaWriteStreamToCaData(pbData, cbData, &pwzRollbackCustomActionData); |
| 376 | ExitOnFailure(hr, "failed to write file contents to rollback custom action data."); |
| 377 | |
| 378 | hr = WcaDoDeferredAction(CUSTOM_ACTION_DECORATION(L"ExecXmlConfigRollback"), pwzRollbackCustomActionData, COST_XMLFILE); |
| 379 | ExitOnFailure(hr, "failed to schedule ExecXmlConfigRollback for file: %ls", pwzFile); |
| 380 | |
| 381 | ReleaseStr(pwzRollbackCustomActionData); |
| 382 | } |
| 383 | LExit: |
| 384 | ReleaseMem(pbData); |
| 385 | |
| 386 | return hr; |
| 387 | } |
| 388 | |
| 389 | |
| 390 | static HRESULT WriteChangeData( |
| 391 | __in XML_CONFIG_CHANGE* pxfc, |
| 392 | __in eXmlAction action, |
| 393 | __inout LPWSTR* ppwzCustomActionData |
| 394 | ) |
| 395 | { |
| 396 | Assert(pxfc && ppwzCustomActionData); |
| 397 | |
| 398 | HRESULT hr = S_OK; |
| 399 | XML_CONFIG_CHANGE* pxfcAdditionalChanges = NULL; |
| 400 | LPCWSTR wzElementPath = pxfc->pwzElementId && *pxfc->pwzElementId ? pxfc->pwzElementId : pxfc->pwzElementPath; |
| 401 | |
| 402 | hr = WcaWriteStringToCaData(wzElementPath, ppwzCustomActionData); |
| 403 | ExitOnFailure(hr, "failed to write ElementId/ElementPath to custom action data: %ls", wzElementPath); |
| 404 | |
| 405 | hr = WcaWriteStringToCaData(pxfc->pwzVerifyPath, ppwzCustomActionData); |
| 406 | ExitOnFailure(hr, "failed to write VerifyPath to custom action data: %ls", pxfc->pwzVerifyPath); |
| 407 | |
| 408 | hr = WcaWriteStringToCaData(pxfc->wzName, ppwzCustomActionData); |
| 409 | ExitOnFailure(hr, "failed to write Name to custom action data: %ls", pxfc->wzName); |
| 410 | |
| 411 | hr = WcaWriteStringToCaData(pxfc->pwzValue, ppwzCustomActionData); |
| 412 | ExitOnFailure(hr, "failed to write Value to custom action data: %ls", pxfc->pwzValue); |
| 413 | |
| 414 | if (pxfc->iXmlFlags & XMLCONFIG_CREATE && pxfc->iXmlFlags & XMLCONFIG_ELEMENT && xaCreateElement == action && pxfc->pxfcAdditionalChanges) |
| 415 | { |
| 416 | hr = WcaWriteIntegerToCaData(pxfc->cAdditionalChanges, ppwzCustomActionData); |
| 417 | ExitOnFailure(hr, "failed to write additional changes value to custom action data"); |
| 418 | |
| 419 | pxfcAdditionalChanges = pxfc->pxfcAdditionalChanges; |
| 420 | while (pxfcAdditionalChanges) |
| 421 | { |
| 422 | Assert((0 == lstrcmpW(pxfcAdditionalChanges->wzComponent, pxfc->wzComponent)) && 0 == pxfcAdditionalChanges->iXmlFlags && (0 == lstrcmpW(pxfcAdditionalChanges->wzFile, pxfc->wzFile))); |
| 423 | |
| 424 | hr = WcaWriteStringToCaData(pxfcAdditionalChanges->wzName, ppwzCustomActionData); |
| 425 | ExitOnFailure(hr, "failed to write Name to custom action data: %ls", pxfc->wzName); |
| 426 | |
| 427 | hr = WcaWriteStringToCaData(pxfcAdditionalChanges->pwzValue, ppwzCustomActionData); |
| 428 | ExitOnFailure(hr, "failed to write Value to custom action data: %ls", pxfc->pwzValue); |
| 429 | |
| 430 | pxfcAdditionalChanges = pxfcAdditionalChanges->pxfcNext; |
| 431 | } |
| 432 | } |
| 433 | else |
| 434 | { |
| 435 | hr = WcaWriteIntegerToCaData(0, ppwzCustomActionData); |
| 436 | ExitOnFailure(hr, "failed to write additional changes value to custom action data"); |
| 437 | } |
| 438 | |
| 439 | LExit: |
| 440 | return hr; |
| 441 | } |
| 442 | |
| 443 | |
| 444 | /****************************************************************** |
| 445 | SchedXmlConfig - entry point for XmlConfig Custom Action |
| 446 | |
| 447 | ********************************************************************/ |
| 448 | extern "C" UINT __stdcall SchedXmlConfig( |
| 449 | __in MSIHANDLE hInstall |
| 450 | ) |
| 451 | { |
| 452 | // AssertSz(FALSE, "debug SchedXmlConfig"); |
| 453 | |
| 454 | HRESULT hr = S_OK; |
| 455 | UINT er = ERROR_SUCCESS; |
| 456 | |
| 457 | LPWSTR pwzCurrentFile = NULL; |
| 458 | BOOL fCurrentFileChanged = FALSE; |
| 459 | |
| 460 | PMSIHANDLE hView = NULL; |
| 461 | PMSIHANDLE hRec = NULL; |
| 462 | |
| 463 | XML_CONFIG_CHANGE* pxfcHead = NULL; |
| 464 | XML_CONFIG_CHANGE* pxfcTail = NULL; // TODO: do we need this any more? |
| 465 | XML_CONFIG_CHANGE* pxfc = NULL; |
| 466 | |
| 467 | eXmlAction xa = xaUnknown; |
| 468 | eXmlPreserveDate xd; |
| 469 | |
| 470 | LPWSTR pwzCustomActionData = NULL; |
| 471 | |
| 472 | DWORD cFiles = 0; |
| 473 | |
| 474 | // initialize |
| 475 | hr = WcaInitialize(hInstall, "SchedXmlConfig"); |
| 476 | ExitOnFailure(hr, "failed to initialize"); |
| 477 | |
| 478 | hr = ReadXmlConfigTable(&pxfcHead, &pxfcTail); |
| 479 | MessageExitOnFailure(hr, msierrXmlConfigFailedRead, "failed to read Wix4XmlConfig table"); |
| 480 | |
| 481 | hr = ProcessChanges(&pxfcHead); |
| 482 | ExitOnFailure(hr, "failed to process Wix4XmlConfig changes"); |
| 483 | |
| 484 | // loop through all the xml configurations |
| 485 | for (pxfc = pxfcHead; pxfc; pxfc = pxfc->pxfcNext) |
| 486 | { |
| 487 | // If this is a different file, or the first file... |
| 488 | if (NULL == pwzCurrentFile || 0 != lstrcmpW(pwzCurrentFile, pxfc->wzFile)) |
| 489 | { |
| 490 | // Remember the file we're currently working on |
| 491 | hr = StrAllocString(&pwzCurrentFile, pxfc->wzFile, 0); |
| 492 | ExitOnFailure(hr, "failed to copy file name"); |
| 493 | |
| 494 | fCurrentFileChanged = TRUE; |
| 495 | } |
| 496 | |
| 497 | // |
| 498 | // Figure out what action to take |
| 499 | // |
| 500 | xa = xaUnknown; |
| 501 | |
| 502 | // If it's being installed or reinstalled or uninstalled and that matches |
| 503 | // what we are doing then calculate the right action. |
| 504 | if ((XMLCONFIG_INSTALL & pxfc->iXmlFlags && (WcaIsInstalling(pxfc->isInstalled, pxfc->isAction) || WcaIsReInstalling(pxfc->isInstalled, pxfc->isAction))) || |
| 505 | (XMLCONFIG_UNINSTALL & pxfc->iXmlFlags && WcaIsUninstalling(pxfc->isInstalled, pxfc->isAction))) |
| 506 | { |
| 507 | if (XMLCONFIG_CREATE & pxfc->iXmlFlags && XMLCONFIG_ELEMENT & pxfc->iXmlFlags) |
| 508 | { |
| 509 | xa = xaCreateElement; |
| 510 | } |
| 511 | else if (XMLCONFIG_DELETE & pxfc->iXmlFlags && XMLCONFIG_ELEMENT & pxfc->iXmlFlags) |
| 512 | { |
| 513 | xa = xaDeleteElement; |
| 514 | } |
| 515 | else if (XMLCONFIG_DELETE & pxfc->iXmlFlags && XMLCONFIG_VALUE & pxfc->iXmlFlags) |
| 516 | { |
| 517 | xa = xaDeleteValue; |
| 518 | } |
| 519 | else if (XMLCONFIG_CREATE & pxfc->iXmlFlags && XMLCONFIG_VALUE & pxfc->iXmlFlags) |
| 520 | { |
| 521 | xa = xaWriteValue; |
| 522 | } |
| 523 | else if (XMLCONFIG_CREATE & pxfc->iXmlFlags && XMLCONFIG_DOCUMENT & pxfc->iXmlFlags) |
| 524 | { |
| 525 | xa = xaWriteDocument; |
| 526 | } |
| 527 | else if (XMLCONFIG_DELETE & pxfc->iXmlFlags && XMLCONFIG_DOCUMENT & pxfc->iXmlFlags) |
| 528 | { |
| 529 | hr = E_INVALIDARG; |
| 530 | ExitOnFailure(hr, "Invalid flag configuration. Cannot delete a fragment node."); |
| 531 | } |
| 532 | } |
| 533 | |
| 534 | if (XMLCONFIG_PRESERVE_MODIFIED & pxfc->iXmlFlags) |
| 535 | { |
| 536 | xd = xdPreserve; |
| 537 | } |
| 538 | else |
| 539 | { |
| 540 | xd= xdDontPreserve; |
| 541 | } |
| 542 | |
| 543 | if (xaUnknown != xa) |
| 544 | { |
| 545 | if (fCurrentFileChanged) |
| 546 | { |
| 547 | hr = BeginChangeFile(pwzCurrentFile, pxfc->iCompAttributes, &pwzCustomActionData); |
| 548 | ExitOnFailure(hr, "failed to begin file change for file: %ls", pwzCurrentFile); |
| 549 | |
| 550 | fCurrentFileChanged = FALSE; |
| 551 | ++cFiles; |
| 552 | } |
| 553 | |
| 554 | hr = WcaWriteIntegerToCaData((int)xa, &pwzCustomActionData); |
| 555 | ExitOnFailure(hr, "failed to write action indicator custom action data"); |
| 556 | |
| 557 | hr = WcaWriteIntegerToCaData((int)xd, &pwzCustomActionData); |
| 558 | ExitOnFailure(hr, "failed to write Preserve Date indicator to custom action data"); |
| 559 | |
| 560 | hr = WriteChangeData(pxfc, xa, &pwzCustomActionData); |
| 561 | ExitOnFailure(hr, "failed to write change data"); |
| 562 | } |
| 563 | } |
| 564 | |
| 565 | // If we looped through all records all is well |
| 566 | if (E_NOMOREITEMS == hr) |
| 567 | { |
| 568 | hr = S_OK; |
| 569 | } |
| 570 | ExitOnFailure(hr, "failed while looping through all objects to secure"); |
| 571 | |
| 572 | // Schedule the custom action and add to progress bar |
| 573 | if (pwzCustomActionData && *pwzCustomActionData) |
| 574 | { |
| 575 | Assert(0 < cFiles); |
| 576 | |
| 577 | hr = WcaDoDeferredAction(CUSTOM_ACTION_DECORATION(L"ExecXmlConfig"), pwzCustomActionData, cFiles * COST_XMLFILE); |
| 578 | ExitOnFailure(hr, "failed to schedule ExecXmlConfig action"); |
| 579 | } |
| 580 | |
| 581 | LExit: |
| 582 | ReleaseStr(pwzCurrentFile); |
| 583 | ReleaseStr(pwzCustomActionData); |
| 584 | |
| 585 | FreeXmlConfigChangeList(pxfcHead); |
| 586 | |
| 587 | if (FAILED(hr)) |
| 588 | { |
| 589 | er = ERROR_INSTALL_FAILURE; |
| 590 | } |
| 591 | return WcaFinalize(er); |
| 592 | } |
| 593 | |
| 594 | |
| 595 | /****************************************************************** |
| 596 | ExecXmlConfig - entry point for XmlConfig Custom Action |
| 597 | |
| 598 | *******************************************************************/ |
| 599 | extern "C" UINT __stdcall ExecXmlConfig( |
| 600 | __in MSIHANDLE hInstall |
| 601 | ) |
| 602 | { |
| 603 | //AssertSz(FALSE, "debug ExecXmlConfig"); |
| 604 | HRESULT hr = S_OK; |
| 605 | HRESULT hrOpenFailure = S_OK; |
| 606 | UINT er = ERROR_SUCCESS; |
| 607 | |
| 608 | #ifndef _WIN64 |
| 609 | BOOL fIsFSRedirectDisabled = FALSE; |
| 610 | #endif |
| 611 | BOOL fPreserveDate = FALSE; |
| 612 | |
| 613 | LPWSTR pwzCustomActionData = NULL; |
| 614 | LPWSTR pwzData = NULL; |
| 615 | LPWSTR pwzFile = NULL; |
| 616 | LPWSTR pwzElementPath = NULL; |
| 617 | LPWSTR pwzVerifyPath = NULL; |
| 618 | LPWSTR pwzName = NULL; |
| 619 | LPWSTR pwzValue = NULL; |
| 620 | LPWSTR pwz = NULL; |
| 621 | int cAdditionalChanges = 0; |
| 622 | |
| 623 | IXMLDOMDocument* pixd = NULL; |
| 624 | IXMLDOMNode* pixn = NULL; |
| 625 | IXMLDOMNode* pixnVerify = NULL; |
| 626 | IXMLDOMNode* pixnNewNode = NULL; |
| 627 | IXMLDOMNode* pixnRemovedChild = NULL; |
| 628 | |
| 629 | IXMLDOMDocument* pixdNew = NULL; |
| 630 | IXMLDOMElement* pixeNew = NULL; |
| 631 | |
| 632 | FILETIME ft; |
| 633 | |
| 634 | int id = IDRETRY; |
| 635 | |
| 636 | eXmlAction xa; |
| 637 | eXmlPreserveDate xd; |
| 638 | |
| 639 | // initialize |
| 640 | hr = WcaInitialize(hInstall, "ExecXmlConfig"); |
| 641 | ExitOnFailure(hr, "failed to initialize"); |
| 642 | |
| 643 | hr = XmlInitialize(); |
| 644 | ExitOnFailure(hr, "failed to initialize xml utilities"); |
| 645 | |
| 646 | hr = WcaGetProperty( L"CustomActionData", &pwzCustomActionData); |
| 647 | ExitOnFailure(hr, "failed to get CustomActionData"); |
| 648 | |
| 649 | WcaLog(LOGMSG_TRACEONLY, "CustomActionData: %ls", pwzCustomActionData); |
| 650 | |
| 651 | pwz = pwzCustomActionData; |
| 652 | |
| 653 | hr = WcaReadIntegerFromCaData(&pwz, (int*) &xa); |
| 654 | ExitOnFailure(hr, "failed to process CustomActionData"); |
| 655 | |
| 656 | #ifndef _WIN64 |
| 657 | // Initialize the Wow64 API - store the result in fWow64APIPresent |
| 658 | // If it fails, this doesn't warrant an error yet, because we only need the Wow64 API in some cases |
| 659 | WcaInitializeWow64(); |
| 660 | BOOL fIsWow64Process = WcaIsWow64Process(); |
| 661 | #endif |
| 662 | |
| 663 | if (xaOpenFile != xa && xaOpenFilex64 != xa) |
| 664 | { |
| 665 | ExitOnFailure(hr = E_INVALIDARG, "invalid custom action data"); |
| 666 | } |
| 667 | |
| 668 | // loop through all the passed in data |
| 669 | while (pwz && *pwz) |
| 670 | { |
| 671 | hr = WcaReadStringFromCaData(&pwz, &pwzFile); |
| 672 | ExitOnFailure(hr, "failed to read file name from custom action data"); |
| 673 | |
| 674 | // Default to not preserve date, preserve it if any modifications require us to |
| 675 | fPreserveDate = FALSE; |
| 676 | |
| 677 | // Open the file |
| 678 | ReleaseNullObject(pixd); |
| 679 | |
| 680 | #ifndef _WIN64 |
| 681 | if (xaOpenFilex64 == xa) |
| 682 | { |
| 683 | if (!fIsWow64Process) |
| 684 | { |
| 685 | hr = E_NOTIMPL; |
| 686 | ExitOnFailure(hr, "Custom action was told to act on a 64-bit component, but the custom action process is not running in WOW."); |
| 687 | } |
| 688 | |
| 689 | hr = WcaDisableWow64FSRedirection(); |
| 690 | ExitOnFailure(hr, "Custom action was told to act on a 64-bit component, but was unable to disable filesystem redirection through the Wow64 API."); |
| 691 | |
| 692 | fIsFSRedirectDisabled = TRUE; |
| 693 | } |
| 694 | #endif |
| 695 | |
| 696 | hr = XmlLoadDocumentFromFileEx(pwzFile, XML_LOAD_PRESERVE_WHITESPACE, &pixd); |
| 697 | if (FAILED(hr)) |
| 698 | { |
| 699 | // Ignore the return code for now. If they try to add something, we'll fail the install. If all they do is remove stuff then it doesn't matter. |
| 700 | hrOpenFailure = hr; |
| 701 | hr = S_OK; |
| 702 | } |
| 703 | else |
| 704 | { |
| 705 | hrOpenFailure = S_OK; |
| 706 | } |
| 707 | |
| 708 | WcaLog(LOGMSG_VERBOSE, "Configuring Xml File: %ls", pwzFile); |
| 709 | |
| 710 | while (pwz && *pwz) |
| 711 | { |
| 712 | // If we skip past an element that has additional changes we need to strip them off the stream before |
| 713 | // moving on to the next element. Do that now and then restart the outer loop. |
| 714 | if (cAdditionalChanges > 0) |
| 715 | { |
| 716 | while (cAdditionalChanges > 0) |
| 717 | { |
| 718 | hr = WcaReadStringFromCaData(&pwz, &pwzName); |
| 719 | ExitOnFailure(hr, "failed to process CustomActionData"); |
| 720 | hr = WcaReadStringFromCaData(&pwz, &pwzValue); |
| 721 | ExitOnFailure(hr, "failed to process CustomActionData"); |
| 722 | |
| 723 | cAdditionalChanges--; |
| 724 | } |
| 725 | continue; |
| 726 | } |
| 727 | |
| 728 | hr = WcaReadIntegerFromCaData(&pwz, (int*) &xa); |
| 729 | ExitOnFailure(hr, "failed to process CustomActionData"); |
| 730 | |
| 731 | // Break if we need to move on to a different file |
| 732 | if (xaOpenFile == xa || xaOpenFilex64 == xa) |
| 733 | { |
| 734 | break; |
| 735 | } |
| 736 | |
| 737 | hr = WcaReadIntegerFromCaData(&pwz, (int*) &xd); |
| 738 | ExitOnFailure(hr, "failed to process CustomActionData"); |
| 739 | |
| 740 | if (xdPreserve == xd) |
| 741 | { |
| 742 | fPreserveDate = TRUE; |
| 743 | } |
| 744 | |
| 745 | // Get path, name, and value to be written |
| 746 | hr = WcaReadStringFromCaData(&pwz, &pwzElementPath); |
| 747 | ExitOnFailure(hr, "failed to process CustomActionData"); |
| 748 | hr = WcaReadStringFromCaData(&pwz, &pwzVerifyPath); |
| 749 | ExitOnFailure(hr, "failed to process CustomActionData"); |
| 750 | hr = WcaReadStringFromCaData(&pwz, &pwzName); |
| 751 | ExitOnFailure(hr, "failed to process CustomActionData"); |
| 752 | hr = WcaReadStringFromCaData(&pwz, &pwzValue); |
| 753 | ExitOnFailure(hr, "failed to process CustomActionData"); |
| 754 | hr = WcaReadIntegerFromCaData(&pwz, &cAdditionalChanges); |
| 755 | ExitOnFailure(hr, "failed to process CustomActionData"); |
| 756 | |
| 757 | // If we failed to open the file and we're adding something to the file, we've got a problem. Otherwise, just continue on since the file's already gone. |
| 758 | if (FAILED(hrOpenFailure)) |
| 759 | { |
| 760 | if (xaCreateElement == xa || xaWriteValue == xa || xaWriteDocument == xa) |
| 761 | { |
| 762 | MessageExitOnFailure(hr = hrOpenFailure, msierrXmlConfigFailedOpen, "failed to load XML file: %ls", pwzFile); |
| 763 | } |
| 764 | else |
| 765 | { |
| 766 | continue; |
| 767 | } |
| 768 | } |
| 769 | |
| 770 | // Select the node we're about to modify |
| 771 | ReleaseNullObject(pixn); |
| 772 | |
| 773 | hr = XmlSelectSingleNode(pixd, pwzElementPath, &pixn); |
| 774 | |
| 775 | // If we failed to find the node that we are going to add to, we've got a problem. Otherwise, just continue since the node's already gone. |
| 776 | if (S_FALSE == hr) |
| 777 | { |
| 778 | if (xaCreateElement == xa || xaWriteValue == xa || xaWriteDocument == xa) |
| 779 | { |
| 780 | hr = HRESULT_FROM_WIN32(ERROR_OBJECT_NOT_FOUND); |
| 781 | } |
| 782 | else |
| 783 | { |
| 784 | hr = S_OK; |
| 785 | continue; |
| 786 | } |
| 787 | } |
| 788 | |
| 789 | MessageExitOnFailure(hr, msierrXmlConfigFailedSelect, "failed to find node: %ls in XML file: %ls", pwzElementPath, pwzFile); |
| 790 | |
| 791 | // Make the modification |
| 792 | switch (xa) |
| 793 | { |
| 794 | case xaWriteValue: |
| 795 | if (pwzName && *pwzName) |
| 796 | { |
| 797 | // We're setting an attribute |
| 798 | hr = XmlSetAttribute(pixn, pwzName, pwzValue); |
| 799 | ExitOnFailure(hr, "failed to set attribute: %ls to value %ls", pwzName, pwzValue); |
| 800 | } |
| 801 | else |
| 802 | { |
| 803 | // We're setting the text of the node |
| 804 | hr = XmlSetText(pixn, pwzValue); |
| 805 | ExitOnFailure(hr, "failed to set text to: %ls for element %ls. Make sure that XPath points to an element.", pwzValue, pwzElementPath); |
| 806 | } |
| 807 | break; |
| 808 | case xaWriteDocument: |
| 809 | if (NULL != pwzVerifyPath && 0 != pwzVerifyPath[0]) |
| 810 | { |
| 811 | hr = XmlSelectSingleNode(pixn, pwzVerifyPath, &pixnVerify); |
| 812 | if (S_OK == hr) |
| 813 | { |
| 814 | // We found the verify path which means we have no further work to do |
| 815 | continue; |
| 816 | } |
| 817 | ExitOnFailure(hr, "failed to query verify path: %ls", pwzVerifyPath); |
| 818 | } |
| 819 | |
| 820 | hr = XmlLoadDocumentEx(pwzValue, XML_LOAD_PRESERVE_WHITESPACE, &pixdNew); |
| 821 | ExitOnFailure(hr, "Failed to load value as document."); |
| 822 | |
| 823 | hr = pixdNew->get_documentElement(&pixeNew); |
| 824 | ExitOnFailure(hr, "Failed to get document element."); |
| 825 | |
| 826 | hr = pixn->appendChild(pixeNew, NULL); |
| 827 | ExitOnFailure(hr, "Failed to append document element on to parent element."); |
| 828 | |
| 829 | ReleaseNullObject(pixeNew); |
| 830 | ReleaseNullObject(pixdNew); |
| 831 | break; |
| 832 | |
| 833 | case xaCreateElement: |
| 834 | if (NULL != pwzVerifyPath && 0 != pwzVerifyPath[0]) |
| 835 | { |
| 836 | hr = XmlSelectSingleNode(pixn, pwzVerifyPath, &pixnVerify); |
| 837 | if (S_OK == hr) |
| 838 | { |
| 839 | // We found the verify path which means we have no further work to do |
| 840 | continue; |
| 841 | } |
| 842 | ExitOnFailure(hr, "failed to query verify path: %ls", pwzVerifyPath); |
| 843 | } |
| 844 | |
| 845 | hr = XmlCreateChild(pixn, pwzName, &pixnNewNode); |
| 846 | ExitOnFailure(hr, "failed to create child element: %ls", pwzName); |
| 847 | |
| 848 | if (pwzValue && *pwzValue) |
| 849 | { |
| 850 | hr = XmlSetText(pixnNewNode, pwzValue); |
| 851 | ExitOnFailure(hr, "failed to set text to: %ls for node: %ls", pwzValue, pwzName); |
| 852 | } |
| 853 | |
| 854 | while (cAdditionalChanges > 0) |
| 855 | { |
| 856 | hr = WcaReadStringFromCaData(&pwz, &pwzName); |
| 857 | ExitOnFailure(hr, "failed to process CustomActionData"); |
| 858 | hr = WcaReadStringFromCaData(&pwz, &pwzValue); |
| 859 | ExitOnFailure(hr, "failed to process CustomActionData"); |
| 860 | |
| 861 | // Set the additional attribute |
| 862 | hr = XmlSetAttribute(pixnNewNode, pwzName, pwzValue); |
| 863 | ExitOnFailure(hr, "failed to set attribute: %ls to value %ls", pwzName, pwzValue); |
| 864 | |
| 865 | cAdditionalChanges--; |
| 866 | } |
| 867 | |
| 868 | ReleaseNullObject(pixnNewNode); |
| 869 | break; |
| 870 | case xaDeleteValue: |
| 871 | if (pwzName && *pwzName) |
| 872 | { |
| 873 | // Delete the attribute |
| 874 | hr = XmlRemoveAttribute(pixn, pwzName); |
| 875 | ExitOnFailure(hr, "failed to remove attribute: %ls", pwzName); |
| 876 | } |
| 877 | else |
| 878 | { |
| 879 | // Clear the text value for the node |
| 880 | hr = XmlSetText(pixn, L""); |
| 881 | ExitOnFailure(hr, "failed to clear text value"); |
| 882 | } |
| 883 | break; |
| 884 | case xaDeleteElement: |
| 885 | if (NULL != pwzVerifyPath && 0 != pwzVerifyPath[0]) |
| 886 | { |
| 887 | hr = XmlSelectSingleNode(pixn, pwzVerifyPath, &pixnVerify); |
| 888 | if (S_OK == hr) |
| 889 | { |
| 890 | hr = pixn->removeChild(pixnVerify, &pixnRemovedChild); |
| 891 | ExitOnFailure(hr, "failed to remove created child element"); |
| 892 | |
| 893 | ReleaseNullObject(pixnRemovedChild); |
| 894 | } |
| 895 | else |
| 896 | { |
| 897 | WcaLog(LOGMSG_VERBOSE, "Failed to select path %ls for deleting. Skipping...", pwzVerifyPath); |
| 898 | hr = S_OK; |
| 899 | } |
| 900 | } |
| 901 | else |
| 902 | { |
| 903 | // TODO: This requires a VerifyPath to delete an element. Should we support not having one? |
| 904 | WcaLog(LOGMSG_VERBOSE, "No VerifyPath specified for delete element of ID: %ls", pwzElementPath); |
| 905 | } |
| 906 | break; |
| 907 | default: |
| 908 | ExitOnFailure(hr = E_UNEXPECTED, "Invalid modification specified in custom action data"); |
| 909 | break; |
| 910 | } |
| 911 | } |
| 912 | |
| 913 | |
| 914 | // Now that we've made all of the changes to this file, save it and move on to the next |
| 915 | if (S_OK == hrOpenFailure) |
| 916 | { |
| 917 | if (fPreserveDate) |
| 918 | { |
| 919 | hr = FileGetTime(pwzFile, NULL, NULL, &ft); |
| 920 | ExitOnFailure(hr, "failed to get modified time of file : %ls", pwzFile); |
| 921 | } |
| 922 | |
| 923 | int iSaveAttempt = 0; |
| 924 | |
| 925 | do |
| 926 | { |
| 927 | hr = XmlSaveDocument(pixd, pwzFile); |
| 928 | if (FAILED(hr)) |
| 929 | { |
| 930 | id = WcaErrorMessage(msierrXmlConfigFailedSave, hr, INSTALLMESSAGE_ERROR | MB_ABORTRETRYIGNORE, 1, pwzFile); |
| 931 | switch (id) |
| 932 | { |
| 933 | case IDABORT: |
| 934 | ExitOnFailure(hr, "Failed to save changes to XML file: %ls", pwzFile); |
| 935 | case IDRETRY: |
| 936 | hr = S_FALSE; // hit me, baby, one more time |
| 937 | break; |
| 938 | case IDIGNORE: |
| 939 | hr = S_OK; // pretend everything is okay and bail |
| 940 | break; |
| 941 | case 0: // No UI case, MsiProcessMessage returns 0 |
| 942 | if (STIERR_SHARING_VIOLATION == hr) |
| 943 | { |
| 944 | // Only in case of sharing violation do we retry 30 times, once a second. |
| 945 | if (iSaveAttempt < 30) |
| 946 | { |
| 947 | hr = S_FALSE; |
| 948 | ++iSaveAttempt; |
| 949 | WcaLog(LOGMSG_VERBOSE, "Unable to save changes to XML file: %ls, retry attempt: %x", pwzFile, iSaveAttempt); |
| 950 | Sleep(1000); |
| 951 | } |
| 952 | else |
| 953 | { |
| 954 | ExitOnFailure(hr, "Failed to save changes to XML file: %ls", pwzFile); |
| 955 | } |
| 956 | } |
| 957 | break; |
| 958 | default: // Unknown error |
| 959 | ExitOnFailure(hr, "Failed to save changes to XML file: %ls", pwzFile); |
| 960 | } |
| 961 | } |
| 962 | } while (S_FALSE == hr); |
| 963 | |
| 964 | if (fPreserveDate) |
| 965 | { |
| 966 | hr = FileSetTime(pwzFile, NULL, NULL, &ft); |
| 967 | ExitOnFailure(hr, "failed to set modified time of file : %ls", pwzFile); |
| 968 | } |
| 969 | |
| 970 | #ifndef _WIN64 |
| 971 | if (fIsFSRedirectDisabled) |
| 972 | { |
| 973 | fIsFSRedirectDisabled = FALSE; |
| 974 | WcaRevertWow64FSRedirection(); |
| 975 | } |
| 976 | #endif |
| 977 | } |
| 978 | } |
| 979 | |
| 980 | LExit: |
| 981 | #ifndef _WIN64 |
| 982 | // Make sure we revert FS Redirection if necessary before exiting |
| 983 | if (fIsFSRedirectDisabled) |
| 984 | { |
| 985 | fIsFSRedirectDisabled = FALSE; |
| 986 | WcaRevertWow64FSRedirection(); |
| 987 | } |
| 988 | WcaFinalizeWow64(); |
| 989 | #endif |
| 990 | |
| 991 | ReleaseStr(pwzCustomActionData); |
| 992 | ReleaseStr(pwzData); |
| 993 | ReleaseStr(pwzFile); |
| 994 | ReleaseStr(pwzElementPath); |
| 995 | ReleaseStr(pwzVerifyPath); |
| 996 | ReleaseStr(pwzName); |
| 997 | ReleaseStr(pwzValue); |
| 998 | |
| 999 | ReleaseObject(pixeNew); |
| 1000 | ReleaseObject(pixdNew); |
| 1001 | |
| 1002 | ReleaseObject(pixn); |
| 1003 | ReleaseObject(pixd); |
| 1004 | ReleaseObject(pixnNewNode); |
| 1005 | ReleaseObject(pixnRemovedChild); |
| 1006 | |
| 1007 | XmlUninitialize(); |
| 1008 | |
| 1009 | if (FAILED(hr)) |
| 1010 | { |
| 1011 | er = ERROR_INSTALL_FAILURE; |
| 1012 | } |
| 1013 | return WcaFinalize(er); |
| 1014 | } |
| 1015 | |
| 1016 | |
| 1017 | /****************************************************************** |
| 1018 | ExecXmlConfigRollback - entry point for XmlConfig rollback Custom Action |
| 1019 | |
| 1020 | *******************************************************************/ |
| 1021 | extern "C" UINT __stdcall ExecXmlConfigRollback( |
| 1022 | __in MSIHANDLE hInstall |
| 1023 | ) |
| 1024 | { |
| 1025 | // AssertSz(FALSE, "debug ExecXmlConfigRollback"); |
| 1026 | HRESULT hr = S_OK; |
| 1027 | UINT er = ERROR_SUCCESS; |
| 1028 | |
| 1029 | int iIs64Bit; |
| 1030 | #ifndef _WIN64 |
| 1031 | BOOL fIs64Bit = FALSE; |
| 1032 | #endif |
| 1033 | |
| 1034 | LPWSTR pwzCustomActionData = NULL; |
| 1035 | LPWSTR pwz = NULL; |
| 1036 | LPWSTR pwzFileName = NULL; |
| 1037 | LPBYTE pbData = NULL; |
| 1038 | DWORD_PTR cbData = 0; |
| 1039 | |
| 1040 | FILETIME ft; |
| 1041 | |
| 1042 | HANDLE hFile = INVALID_HANDLE_VALUE; |
| 1043 | |
| 1044 | // initialize |
| 1045 | hr = WcaInitialize(hInstall, "ExecXmlConfigRollback"); |
| 1046 | ExitOnFailure(hr, "failed to initialize"); |
| 1047 | |
| 1048 | |
| 1049 | hr = WcaGetProperty( L"CustomActionData", &pwzCustomActionData); |
| 1050 | ExitOnFailure(hr, "failed to get CustomActionData"); |
| 1051 | |
| 1052 | WcaLog(LOGMSG_TRACEONLY, "CustomActionData: %ls", pwzCustomActionData); |
| 1053 | |
| 1054 | pwz = pwzCustomActionData; |
| 1055 | |
| 1056 | hr = WcaReadIntegerFromCaData(&pwz, &iIs64Bit); |
| 1057 | ExitOnFailure(hr, "failed to read component bitness from custom action data"); |
| 1058 | |
| 1059 | hr = WcaReadStringFromCaData(&pwz, &pwzFileName); |
| 1060 | ExitOnFailure(hr, "failed to read file name from custom action data"); |
| 1061 | |
| 1062 | hr = WcaReadStreamFromCaData(&pwz, &pbData, &cbData); |
| 1063 | ExitOnFailure(hr, "failed to read file contents from custom action data"); |
| 1064 | |
| 1065 | #ifndef _WIN64 |
| 1066 | fIs64Bit = (BOOL)iIs64Bit; |
| 1067 | |
| 1068 | if (fIs64Bit) |
| 1069 | { |
| 1070 | hr = WcaInitializeWow64(); |
| 1071 | if (S_FALSE == hr) |
| 1072 | { |
| 1073 | hr = TYPE_E_DLLFUNCTIONNOTFOUND; |
| 1074 | } |
| 1075 | ExitOnFailure(hr, "failed to initialize Wow64 API"); |
| 1076 | |
| 1077 | if (!WcaIsWow64Process()) |
| 1078 | { |
| 1079 | hr = E_NOTIMPL; |
| 1080 | ExitOnFailure(hr, "Custom action was told to rollback a 64-bit component, but the Wow64 API is unavailable."); |
| 1081 | } |
| 1082 | |
| 1083 | hr = WcaDisableWow64FSRedirection(); |
| 1084 | ExitOnFailure(hr, "Custom action was told to rollback a 64-bit component, but was unable to Disable Filesystem Redirection through the Wow64 API."); |
| 1085 | } |
| 1086 | #endif |
| 1087 | |
| 1088 | hr = FileGetTime(pwzFileName, NULL, NULL, &ft); |
| 1089 | ExitOnFailure(hr, "Failed to get modified date of file %ls.", pwzFileName); |
| 1090 | |
| 1091 | // Open the file |
| 1092 | hFile = ::CreateFileW(pwzFileName, GENERIC_WRITE, NULL, NULL, TRUNCATE_EXISTING, NULL, NULL); |
| 1093 | ExitOnInvalidHandleWithLastError(hFile, hr, "failed to open file: %ls", pwzFileName); |
| 1094 | |
| 1095 | // Write out the old data |
| 1096 | hr = FileWriteHandle(hFile, pbData, cbData); |
| 1097 | ExitOnFailure(hr, "failed to write to file: %ls", pwzFileName); |
| 1098 | |
| 1099 | ReleaseFile(hFile); |
| 1100 | |
| 1101 | hr = FileSetTime(pwzFileName, NULL, NULL, &ft); |
| 1102 | ExitOnFailure(hr, "Failed to set modified date of file %ls.", pwzFileName); |
| 1103 | |
| 1104 | LExit: |
| 1105 | ReleaseStr(pwzCustomActionData); |
| 1106 | ReleaseStr(pwzFileName); |
| 1107 | |
| 1108 | ReleaseFile(hFile); |
| 1109 | |
| 1110 | #ifndef _WIN64 |
| 1111 | if (fIs64Bit) |
| 1112 | { |
| 1113 | WcaRevertWow64FSRedirection(); |
| 1114 | WcaFinalizeWow64(); |
| 1115 | } |
| 1116 | #endif |
| 1117 | |
| 1118 | ReleaseMem(pbData); |
| 1119 | |
| 1120 | if (FAILED(hr)) |
| 1121 | { |
| 1122 | er = ERROR_INSTALL_FAILURE; |
| 1123 | } |
| 1124 | return WcaFinalize(er); |
| 1125 | } |