diff options
Diffstat (limited to 'src/libs/dutil/WixToolset.DUtil/rexutil.cpp')
-rw-r--r-- | src/libs/dutil/WixToolset.DUtil/rexutil.cpp | 601 |
1 files changed, 601 insertions, 0 deletions
diff --git a/src/libs/dutil/WixToolset.DUtil/rexutil.cpp b/src/libs/dutil/WixToolset.DUtil/rexutil.cpp new file mode 100644 index 00000000..155ca714 --- /dev/null +++ b/src/libs/dutil/WixToolset.DUtil/rexutil.cpp | |||
@@ -0,0 +1,601 @@ | |||
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 | #include "rexutil.h" | ||
5 | |||
6 | |||
7 | // Exit macros | ||
8 | #define RexExitOnLastError(x, s, ...) ExitOnLastErrorSource(DUTIL_SOURCE_REXUTIL, x, s, __VA_ARGS__) | ||
9 | #define RexExitOnLastErrorDebugTrace(x, s, ...) ExitOnLastErrorDebugTraceSource(DUTIL_SOURCE_REXUTIL, x, s, __VA_ARGS__) | ||
10 | #define RexExitWithLastError(x, s, ...) ExitWithLastErrorSource(DUTIL_SOURCE_REXUTIL, x, s, __VA_ARGS__) | ||
11 | #define RexExitOnFailure(x, s, ...) ExitOnFailureSource(DUTIL_SOURCE_REXUTIL, x, s, __VA_ARGS__) | ||
12 | #define RexExitOnRootFailure(x, s, ...) ExitOnRootFailureSource(DUTIL_SOURCE_REXUTIL, x, s, __VA_ARGS__) | ||
13 | #define RexExitOnFailureDebugTrace(x, s, ...) ExitOnFailureDebugTraceSource(DUTIL_SOURCE_REXUTIL, x, s, __VA_ARGS__) | ||
14 | #define RexExitOnNull(p, x, e, s, ...) ExitOnNullSource(DUTIL_SOURCE_REXUTIL, p, x, e, s, __VA_ARGS__) | ||
15 | #define RexExitOnNullWithLastError(p, x, s, ...) ExitOnNullWithLastErrorSource(DUTIL_SOURCE_REXUTIL, p, x, s, __VA_ARGS__) | ||
16 | #define RexExitOnNullDebugTrace(p, x, e, s, ...) ExitOnNullDebugTraceSource(DUTIL_SOURCE_REXUTIL, p, x, e, s, __VA_ARGS__) | ||
17 | #define RexExitOnInvalidHandleWithLastError(p, x, s, ...) ExitOnInvalidHandleWithLastErrorSource(DUTIL_SOURCE_REXUTIL, p, x, s, __VA_ARGS__) | ||
18 | #define RexExitOnWin32Error(e, x, s, ...) ExitOnWin32ErrorSource(DUTIL_SOURCE_REXUTIL, e, x, s, __VA_ARGS__) | ||
19 | #define RexExitOnGdipFailure(g, x, s, ...) ExitOnGdipFailureSource(DUTIL_SOURCE_REXUTIL, g, x, s, __VA_ARGS__) | ||
20 | |||
21 | // | ||
22 | // static globals | ||
23 | // | ||
24 | static HMODULE vhCabinetDll = NULL; | ||
25 | static HFDI vhfdi = NULL; | ||
26 | static ERF verf; | ||
27 | |||
28 | static FAKE_FILE vrgffFileTable[FILETABLESIZE]; | ||
29 | static DWORD vcbRes; | ||
30 | static LPCBYTE vpbRes; | ||
31 | static CHAR vszResource[MAX_PATH]; | ||
32 | static REX_CALLBACK_WRITE vpfnWrite = NULL; | ||
33 | |||
34 | static HRESULT vhrLastError = S_OK; | ||
35 | |||
36 | // | ||
37 | // structs | ||
38 | // | ||
39 | struct REX_CALLBACK_STRUCT | ||
40 | { | ||
41 | BOOL fStopExtracting; // flag set when no more files are needed | ||
42 | LPCWSTR pwzExtract; // file to extract ("*" means extract all) | ||
43 | LPCWSTR pwzExtractDir; // directory to extract files to | ||
44 | LPCWSTR pwzExtractName; // name of file (pwzExtract can't be "*") | ||
45 | |||
46 | // possible user data | ||
47 | REX_CALLBACK_PROGRESS pfnProgress; | ||
48 | LPVOID pvContext; | ||
49 | }; | ||
50 | |||
51 | // | ||
52 | // prototypes | ||
53 | // | ||
54 | static __callback LPVOID DIAMONDAPI RexAlloc(DWORD dwSize); | ||
55 | static __callback void DIAMONDAPI RexFree(LPVOID pvData); | ||
56 | static __callback INT_PTR FAR DIAMONDAPI RexOpen(__in_z char FAR *pszFile, int oflag, int pmode); | ||
57 | static __callback UINT FAR DIAMONDAPI RexRead(INT_PTR hf, __out_bcount(cb) void FAR *pv, UINT cb); | ||
58 | static __callback UINT FAR DIAMONDAPI RexWrite(INT_PTR hf, __in_bcount(cb) void FAR *pv, UINT cb); | ||
59 | static __callback int FAR DIAMONDAPI RexClose(INT_PTR hf); | ||
60 | static __callback long FAR DIAMONDAPI RexSeek(INT_PTR hf, long dist, int seektype); | ||
61 | static __callback INT_PTR DIAMONDAPI RexCallback(FDINOTIFICATIONTYPE iNotification, FDINOTIFICATION *pFDINotify); | ||
62 | |||
63 | |||
64 | /******************************************************************** | ||
65 | RexInitialize - initializes internal static variables | ||
66 | |||
67 | *******************************************************************/ | ||
68 | extern "C" HRESULT RexInitialize() | ||
69 | { | ||
70 | Assert(!vhfdi); | ||
71 | |||
72 | HRESULT hr = S_OK; | ||
73 | |||
74 | vhfdi = ::FDICreate(RexAlloc, RexFree, RexOpen, RexRead, RexWrite, RexClose, RexSeek, cpuUNKNOWN, &verf); | ||
75 | if (!vhfdi) | ||
76 | { | ||
77 | hr = E_FAIL; | ||
78 | RexExitOnFailure(hr, "failed to initialize cabinet.dll"); // TODO: put verf info in trace message here | ||
79 | } | ||
80 | |||
81 | ::ZeroMemory(vrgffFileTable, sizeof(vrgffFileTable)); | ||
82 | |||
83 | LExit: | ||
84 | if (FAILED(hr)) | ||
85 | { | ||
86 | ::FDIDestroy(vhfdi); | ||
87 | vhfdi = NULL; | ||
88 | } | ||
89 | |||
90 | return hr; | ||
91 | } | ||
92 | |||
93 | |||
94 | /******************************************************************** | ||
95 | RexUninitialize - initializes internal static variables | ||
96 | |||
97 | *******************************************************************/ | ||
98 | extern "C" void RexUninitialize() | ||
99 | { | ||
100 | if (vhfdi) | ||
101 | { | ||
102 | ::FDIDestroy(vhfdi); | ||
103 | vhfdi = NULL; | ||
104 | } | ||
105 | } | ||
106 | |||
107 | |||
108 | /******************************************************************** | ||
109 | RexExtract - extracts one or all files from a resource cabinet | ||
110 | |||
111 | NOTE: wzExtractId can be a single file id or "*" to extract all files | ||
112 | wzExttractDir must be normalized (end in a "\") | ||
113 | wzExtractName is ignored if wzExtractId is "*" | ||
114 | *******************************************************************/ | ||
115 | extern "C" HRESULT RexExtract( | ||
116 | __in_z LPCSTR szResource, | ||
117 | __in_z LPCWSTR wzExtractId, | ||
118 | __in_z LPCWSTR wzExtractDir, | ||
119 | __in_z LPCWSTR wzExtractName, | ||
120 | __in REX_CALLBACK_PROGRESS pfnProgress, | ||
121 | __in REX_CALLBACK_WRITE pfnWrite, | ||
122 | __in LPVOID pvContext | ||
123 | ) | ||
124 | { | ||
125 | Assert(vhfdi); | ||
126 | HRESULT hr = S_OK; | ||
127 | BOOL fResult; | ||
128 | |||
129 | HRSRC hResInfo = NULL; | ||
130 | HANDLE hRes = NULL; | ||
131 | |||
132 | REX_CALLBACK_STRUCT rcs; | ||
133 | |||
134 | // remember the write callback | ||
135 | vpfnWrite = pfnWrite; | ||
136 | |||
137 | // | ||
138 | // load the cabinet resource | ||
139 | // | ||
140 | hResInfo = ::FindResourceExA(NULL, RT_RCDATA, szResource, MAKELANGID(LANG_NEUTRAL, SUBLANG_NEUTRAL)); | ||
141 | RexExitOnNullWithLastError(hResInfo, hr, "Failed to find resource."); | ||
142 | //hResInfo = ::FindResourceW(NULL, wzResource, /*RT_RCDATA*/MAKEINTRESOURCEW(10)); | ||
143 | //ExitOnNullWithLastError(hResInfo, hr, "failed to load resource info"); | ||
144 | |||
145 | hRes = ::LoadResource(NULL, hResInfo); | ||
146 | RexExitOnNullWithLastError(hRes, hr, "failed to load resource"); | ||
147 | |||
148 | vcbRes = ::SizeofResource(NULL, hResInfo); | ||
149 | vpbRes = (const BYTE*)::LockResource(hRes); | ||
150 | |||
151 | // TODO: Call FDIIsCabinet to confirm resource is a cabinet before trying to extract from it | ||
152 | |||
153 | // | ||
154 | // convert the resource name to multi-byte | ||
155 | // | ||
156 | //if (!::WideCharToMultiByte(CP_ACP, 0, wzResource, -1, vszResource, countof(vszResource), NULL, NULL)) | ||
157 | //{ | ||
158 | // RexExitOnLastError(hr, "failed to convert cabinet resource name to ASCII: %ls", wzResource); | ||
159 | //} | ||
160 | |||
161 | hr = ::StringCchCopyA(vszResource, countof(vszResource), szResource); | ||
162 | RexExitOnFailure(hr, "Failed to copy resource name to global."); | ||
163 | |||
164 | // | ||
165 | // iterate through files in cabinet extracting them to the callback function | ||
166 | // | ||
167 | rcs.fStopExtracting = FALSE; | ||
168 | rcs.pwzExtract = wzExtractId; | ||
169 | rcs.pwzExtractDir = wzExtractDir; | ||
170 | rcs.pwzExtractName = wzExtractName; | ||
171 | rcs.pfnProgress = pfnProgress; | ||
172 | rcs.pvContext = pvContext; | ||
173 | |||
174 | fResult = ::FDICopy(vhfdi, vszResource, "", 0, RexCallback, NULL, static_cast<void*>(&rcs)); | ||
175 | if (!fResult && !rcs.fStopExtracting) // if something went wrong and it wasn't us just stopping the extraction, then return a failure | ||
176 | { | ||
177 | hr = vhrLastError; // TODO: put verf info in trace message here | ||
178 | } | ||
179 | |||
180 | LExit: | ||
181 | return hr; | ||
182 | } | ||
183 | |||
184 | |||
185 | /**************************************************************************** | ||
186 | default extract routines | ||
187 | |||
188 | ****************************************************************************/ | ||
189 | static __callback LPVOID DIAMONDAPI RexAlloc(DWORD dwSize) | ||
190 | { | ||
191 | return MemAlloc(dwSize, FALSE); | ||
192 | } | ||
193 | |||
194 | |||
195 | static __callback void DIAMONDAPI RexFree(LPVOID pvData) | ||
196 | { | ||
197 | MemFree(pvData); | ||
198 | } | ||
199 | |||
200 | |||
201 | static __callback INT_PTR FAR DIAMONDAPI RexOpen(__in_z char FAR *pszFile, int oflag, int pmode) | ||
202 | { | ||
203 | HRESULT hr = S_OK; | ||
204 | HANDLE hFile = INVALID_HANDLE_VALUE; | ||
205 | int i = 0; | ||
206 | |||
207 | // if FDI asks for some unusual mode (__in low memory situation it could ask for a scratch file) fail | ||
208 | if ((oflag != (/*_O_BINARY*/ 0x8000 | /*_O_RDONLY*/ 0x0000)) || (pmode != (_S_IREAD | _S_IWRITE))) | ||
209 | { | ||
210 | hr = E_OUTOFMEMORY; | ||
211 | RexExitOnFailure(hr, "FDI asked for to create a scratch file, which is unusual"); | ||
212 | } | ||
213 | |||
214 | // find an empty spot in the fake file table | ||
215 | for (i = 0; i < FILETABLESIZE; ++i) | ||
216 | { | ||
217 | if (!vrgffFileTable[i].fUsed) | ||
218 | { | ||
219 | break; | ||
220 | } | ||
221 | } | ||
222 | |||
223 | // we should never run out of space in the fake file table | ||
224 | if (FILETABLESIZE <= i) | ||
225 | { | ||
226 | hr = E_OUTOFMEMORY; | ||
227 | RexExitOnFailure(hr, "File table exceeded"); | ||
228 | } | ||
229 | |||
230 | if (0 == lstrcmpA(vszResource, pszFile)) | ||
231 | { | ||
232 | vrgffFileTable[i].fUsed = TRUE; | ||
233 | vrgffFileTable[i].fftType = MEMORY_FILE; | ||
234 | vrgffFileTable[i].mfFile.vpStart = static_cast<LPCBYTE>(vpbRes); | ||
235 | vrgffFileTable[i].mfFile.uiCurrent = 0; | ||
236 | vrgffFileTable[i].mfFile.uiLength = vcbRes; | ||
237 | } | ||
238 | else // it's a real file | ||
239 | { | ||
240 | hFile = ::CreateFileA(pszFile, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL); | ||
241 | if (INVALID_HANDLE_VALUE == hFile) | ||
242 | { | ||
243 | RexExitWithLastError(hr, "failed to open file: %s", pszFile); | ||
244 | } | ||
245 | |||
246 | vrgffFileTable[i].fUsed = TRUE; | ||
247 | vrgffFileTable[i].fftType = NORMAL_FILE; | ||
248 | vrgffFileTable[i].hFile = hFile; | ||
249 | } | ||
250 | |||
251 | LExit: | ||
252 | if (FAILED(hr)) | ||
253 | { | ||
254 | vhrLastError = hr; | ||
255 | } | ||
256 | |||
257 | return FAILED(hr) ? -1 : i; | ||
258 | } | ||
259 | |||
260 | |||
261 | static __callback UINT FAR DIAMONDAPI RexRead(INT_PTR hf, __out_bcount(cb) void FAR *pv, UINT cb) | ||
262 | { | ||
263 | Assert(vrgffFileTable[hf].fUsed); | ||
264 | |||
265 | HRESULT hr = S_OK; | ||
266 | DWORD cbRead = 0; | ||
267 | DWORD cbAvailable = 0; | ||
268 | |||
269 | if (MEMORY_FILE == vrgffFileTable[hf].fftType) | ||
270 | { | ||
271 | // ensure that we don't read past the length of the resource | ||
272 | cbAvailable = vrgffFileTable[hf].mfFile.uiLength - vrgffFileTable[hf].mfFile.uiCurrent; | ||
273 | cbRead = cb < cbAvailable? cb : cbAvailable; | ||
274 | |||
275 | memcpy(pv, static_cast<const void *>(vrgffFileTable[hf].mfFile.vpStart + vrgffFileTable[hf].mfFile.uiCurrent), cbRead); | ||
276 | |||
277 | vrgffFileTable[hf].mfFile.uiCurrent += cbRead; | ||
278 | } | ||
279 | else // NORMAL_FILE | ||
280 | { | ||
281 | Assert(vrgffFileTable[hf].hFile && vrgffFileTable[hf].hFile != INVALID_HANDLE_VALUE); | ||
282 | |||
283 | if (!::ReadFile(vrgffFileTable[hf].hFile, pv, cb, &cbRead, NULL)) | ||
284 | { | ||
285 | RexExitWithLastError(hr, "failed to read during cabinet extraction"); | ||
286 | } | ||
287 | } | ||
288 | |||
289 | LExit: | ||
290 | if (FAILED(hr)) | ||
291 | { | ||
292 | vhrLastError = hr; | ||
293 | } | ||
294 | |||
295 | return FAILED(hr) ? -1 : cbRead; | ||
296 | } | ||
297 | |||
298 | |||
299 | static __callback UINT FAR DIAMONDAPI RexWrite(INT_PTR hf, __in_bcount(cb) void FAR *pv, UINT cb) | ||
300 | { | ||
301 | Assert(vrgffFileTable[hf].fUsed); | ||
302 | Assert(vrgffFileTable[hf].fftType == NORMAL_FILE); // we should never be writing to a memory file | ||
303 | |||
304 | HRESULT hr = S_OK; | ||
305 | DWORD cbWrite = 0; | ||
306 | |||
307 | Assert(vrgffFileTable[hf].hFile && vrgffFileTable[hf].hFile != INVALID_HANDLE_VALUE); | ||
308 | if (!::WriteFile(reinterpret_cast<HANDLE>(vrgffFileTable[hf].hFile), pv, cb, &cbWrite, NULL)) | ||
309 | { | ||
310 | RexExitWithLastError(hr, "failed to write during cabinet extraction"); | ||
311 | } | ||
312 | |||
313 | // call the writer callback if defined | ||
314 | if (vpfnWrite) | ||
315 | { | ||
316 | vpfnWrite(cb); | ||
317 | } | ||
318 | |||
319 | LExit: | ||
320 | if (FAILED(hr)) | ||
321 | { | ||
322 | vhrLastError = hr; | ||
323 | } | ||
324 | |||
325 | return FAILED(hr) ? -1 : cbWrite; | ||
326 | } | ||
327 | |||
328 | |||
329 | static __callback long FAR DIAMONDAPI RexSeek(INT_PTR hf, long dist, int seektype) | ||
330 | { | ||
331 | Assert(vrgffFileTable[hf].fUsed); | ||
332 | |||
333 | HRESULT hr = S_OK; | ||
334 | DWORD dwMoveMethod; | ||
335 | LONG lMove = 0; | ||
336 | |||
337 | switch (seektype) | ||
338 | { | ||
339 | case 0: // SEEK_SET | ||
340 | dwMoveMethod = FILE_BEGIN; | ||
341 | break; | ||
342 | case 1: /// SEEK_CUR | ||
343 | dwMoveMethod = FILE_CURRENT; | ||
344 | break; | ||
345 | case 2: // SEEK_END | ||
346 | dwMoveMethod = FILE_END; | ||
347 | break; | ||
348 | default : | ||
349 | dwMoveMethod = 0; | ||
350 | hr = E_UNEXPECTED; | ||
351 | RexExitOnFailure(hr, "unexpected seektype in FDISeek(): %d", seektype); | ||
352 | } | ||
353 | |||
354 | if (MEMORY_FILE == vrgffFileTable[hf].fftType) | ||
355 | { | ||
356 | if (FILE_BEGIN == dwMoveMethod) | ||
357 | { | ||
358 | vrgffFileTable[hf].mfFile.uiCurrent = dist; | ||
359 | } | ||
360 | else if (FILE_CURRENT == dwMoveMethod) | ||
361 | { | ||
362 | vrgffFileTable[hf].mfFile.uiCurrent += dist; | ||
363 | } | ||
364 | else // FILE_END | ||
365 | { | ||
366 | vrgffFileTable[hf].mfFile.uiCurrent = vrgffFileTable[hf].mfFile.uiLength + dist; | ||
367 | } | ||
368 | |||
369 | lMove = vrgffFileTable[hf].mfFile.uiCurrent; | ||
370 | } | ||
371 | else // NORMAL_FILE | ||
372 | { | ||
373 | Assert(vrgffFileTable[hf].hFile && vrgffFileTable[hf].hFile != INVALID_HANDLE_VALUE); | ||
374 | |||
375 | // SetFilePointer returns -1 if it fails (this will cause FDI to quit with an FDIERROR_USER_ABORT error. | ||
376 | // (Unless this happens while working on a cabinet, in which case FDI returns FDIERROR_CORRUPT_CABINET) | ||
377 | lMove = ::SetFilePointer(vrgffFileTable[hf].hFile, dist, NULL, dwMoveMethod); | ||
378 | if (0xFFFFFFFF == lMove) | ||
379 | { | ||
380 | RexExitWithLastError(hr, "failed to move file pointer %d bytes", dist); | ||
381 | } | ||
382 | } | ||
383 | |||
384 | LExit: | ||
385 | if (FAILED(hr)) | ||
386 | { | ||
387 | vhrLastError = hr; | ||
388 | } | ||
389 | |||
390 | return FAILED(hr) ? -1 : lMove; | ||
391 | } | ||
392 | |||
393 | |||
394 | __callback int FAR DIAMONDAPI RexClose(INT_PTR hf) | ||
395 | { | ||
396 | Assert(vrgffFileTable[hf].fUsed); | ||
397 | |||
398 | HRESULT hr = S_OK; | ||
399 | |||
400 | if (MEMORY_FILE == vrgffFileTable[hf].fftType) | ||
401 | { | ||
402 | vrgffFileTable[hf].mfFile.vpStart = NULL; | ||
403 | vrgffFileTable[hf].mfFile.uiCurrent = 0; | ||
404 | vrgffFileTable[hf].mfFile.uiLength = 0; | ||
405 | } | ||
406 | else | ||
407 | { | ||
408 | Assert(vrgffFileTable[hf].hFile && vrgffFileTable[hf].hFile != INVALID_HANDLE_VALUE); | ||
409 | |||
410 | if (!::CloseHandle(vrgffFileTable[hf].hFile)) | ||
411 | { | ||
412 | RexExitWithLastError(hr, "failed to close file during cabinet extraction"); | ||
413 | } | ||
414 | |||
415 | vrgffFileTable[hf].hFile = INVALID_HANDLE_VALUE; | ||
416 | } | ||
417 | |||
418 | vrgffFileTable[hf].fUsed = FALSE; | ||
419 | |||
420 | LExit: | ||
421 | if (FAILED(hr)) | ||
422 | { | ||
423 | vhrLastError = hr; | ||
424 | } | ||
425 | |||
426 | return FAILED(hr) ? -1 : 0; | ||
427 | } | ||
428 | |||
429 | |||
430 | static __callback INT_PTR DIAMONDAPI RexCallback(FDINOTIFICATIONTYPE iNotification, FDINOTIFICATION *pFDINotify) | ||
431 | { | ||
432 | Assert(pFDINotify->pv); | ||
433 | |||
434 | HRESULT hr = S_OK; | ||
435 | int ipResult = 0; // result to return on success | ||
436 | HANDLE hFile = INVALID_HANDLE_VALUE; | ||
437 | |||
438 | REX_CALLBACK_STRUCT* prcs = static_cast<REX_CALLBACK_STRUCT*>(pFDINotify->pv); | ||
439 | LPCSTR sz; | ||
440 | WCHAR wz[MAX_PATH]; | ||
441 | FILETIME ft; | ||
442 | int i = 0; | ||
443 | |||
444 | switch (iNotification) | ||
445 | { | ||
446 | case fdintCOPY_FILE: // beGIN extracting a resource from cabinet | ||
447 | Assert(pFDINotify->psz1); | ||
448 | |||
449 | if (prcs->fStopExtracting) | ||
450 | { | ||
451 | ExitFunction1(hr = S_FALSE); // no more extracting | ||
452 | } | ||
453 | |||
454 | // convert params to useful variables | ||
455 | sz = static_cast<LPCSTR>(pFDINotify->psz1); | ||
456 | if (!::MultiByteToWideChar(CP_ACP, 0, sz, -1, wz, countof(wz))) | ||
457 | { | ||
458 | RexExitWithLastError(hr, "failed to convert cabinet file id to unicode: %s", sz); | ||
459 | } | ||
460 | |||
461 | if (prcs->pfnProgress) | ||
462 | { | ||
463 | hr = prcs->pfnProgress(TRUE, wz, prcs->pvContext); | ||
464 | if (S_OK != hr) | ||
465 | { | ||
466 | ExitFunction(); | ||
467 | } | ||
468 | } | ||
469 | |||
470 | if (L'*' == *prcs->pwzExtract || 0 == lstrcmpW(prcs->pwzExtract, wz)) | ||
471 | { | ||
472 | // get the created date for the resource in the cabinet | ||
473 | if (!::DosDateTimeToFileTime(pFDINotify->date, pFDINotify->time, &ft)) | ||
474 | { | ||
475 | RexExitWithLastError(hr, "failed to get time for resource: %ls", wz); | ||
476 | } | ||
477 | |||
478 | WCHAR wzPath[MAX_PATH]; | ||
479 | |||
480 | hr = ::StringCchCopyW(wzPath, countof(wzPath), prcs->pwzExtractDir); | ||
481 | RexExitOnFailure(hr, "failed to copy extract directory: %ls for file: %ls", prcs->pwzExtractDir, wz); | ||
482 | |||
483 | if (L'*' == *prcs->pwzExtract) | ||
484 | { | ||
485 | hr = ::StringCchCatW(wzPath, countof(wzPath), wz); | ||
486 | RexExitOnFailure(hr, "failed to concat onto path: %ls file: %ls", wzPath, wz); | ||
487 | } | ||
488 | else | ||
489 | { | ||
490 | Assert(*prcs->pwzExtractName); | ||
491 | |||
492 | hr = ::StringCchCatW(wzPath, countof(wzPath), prcs->pwzExtractName); | ||
493 | RexExitOnFailure(hr, "failed to concat onto path: %ls file: %ls", wzPath, prcs->pwzExtractName); | ||
494 | } | ||
495 | |||
496 | // Quickly chop off the file name part of the path to ensure the path exists | ||
497 | // then put the file name back on the path (by putting the first character | ||
498 | // back over the null terminator). | ||
499 | LPWSTR wzFile = PathFile(wzPath); | ||
500 | WCHAR wzFileFirstChar = *wzFile; | ||
501 | *wzFile = L'\0'; | ||
502 | |||
503 | hr = DirEnsureExists(wzPath, NULL); | ||
504 | RexExitOnFailure(hr, "failed to ensure directory: %ls", wzPath); | ||
505 | |||
506 | hr = S_OK; | ||
507 | |||
508 | *wzFile = wzFileFirstChar; | ||
509 | |||
510 | // find an empty spot in the fake file table | ||
511 | for (i = 0; i < FILETABLESIZE; ++i) | ||
512 | { | ||
513 | if (!vrgffFileTable[i].fUsed) | ||
514 | { | ||
515 | break; | ||
516 | } | ||
517 | } | ||
518 | |||
519 | // we should never run out of space in the fake file table | ||
520 | if (FILETABLESIZE <= i) | ||
521 | { | ||
522 | hr = E_OUTOFMEMORY; | ||
523 | RexExitOnFailure(hr, "File table exceeded"); | ||
524 | } | ||
525 | |||
526 | // open the file | ||
527 | hFile = ::CreateFileW(wzPath, GENERIC_WRITE, FILE_SHARE_READ, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL); | ||
528 | if (INVALID_HANDLE_VALUE == hFile) | ||
529 | { | ||
530 | RexExitWithLastError(hr, "failed to open file: %ls", wzPath); | ||
531 | } | ||
532 | |||
533 | vrgffFileTable[i].fUsed = TRUE; | ||
534 | vrgffFileTable[i].fftType = NORMAL_FILE; | ||
535 | vrgffFileTable[i].hFile = hFile; | ||
536 | |||
537 | ipResult = i; | ||
538 | |||
539 | ::SetFileTime(vrgffFileTable[i].hFile, &ft, &ft, &ft); // try to set the file time (who cares if it fails) | ||
540 | |||
541 | if (::SetFilePointer(vrgffFileTable[i].hFile, pFDINotify->cb, NULL, FILE_BEGIN)) // try to set the end of the file (don't worry if this fails) | ||
542 | { | ||
543 | if (::SetEndOfFile(vrgffFileTable[i].hFile)) | ||
544 | { | ||
545 | ::SetFilePointer(vrgffFileTable[i].hFile, 0, NULL, FILE_BEGIN); // reset the file pointer | ||
546 | } | ||
547 | } | ||
548 | } | ||
549 | else // resource wasn't requested, skip it | ||
550 | { | ||
551 | hr = S_OK; | ||
552 | ipResult = 0; | ||
553 | } | ||
554 | |||
555 | break; | ||
556 | case fdintCLOSE_FILE_INFO: // resource extraction complete | ||
557 | Assert(pFDINotify->hf && pFDINotify->psz1); | ||
558 | |||
559 | // convert params to useful variables | ||
560 | sz = static_cast<LPCSTR>(pFDINotify->psz1); | ||
561 | if (!::MultiByteToWideChar(CP_ACP, 0, sz, -1, wz, countof(wz))) | ||
562 | { | ||
563 | RexExitWithLastError(hr, "failed to convert cabinet file id to unicode: %s", sz); | ||
564 | } | ||
565 | |||
566 | RexClose(pFDINotify->hf); | ||
567 | |||
568 | if (prcs->pfnProgress) | ||
569 | { | ||
570 | hr = prcs->pfnProgress(FALSE, wz, prcs->pvContext); | ||
571 | } | ||
572 | |||
573 | if (S_OK == hr && L'*' == *prcs->pwzExtract) // if everything is okay and we're extracting all files, keep going | ||
574 | { | ||
575 | ipResult = TRUE; | ||
576 | } | ||
577 | else // something went wrong or we only needed to extract one file | ||
578 | { | ||
579 | hr = S_OK; | ||
580 | ipResult = FALSE; | ||
581 | prcs->fStopExtracting = TRUE; | ||
582 | } | ||
583 | |||
584 | break; | ||
585 | case fdintPARTIAL_FILE: __fallthrough; // no action needed for these messages, fall through | ||
586 | case fdintNEXT_CABINET: __fallthrough; | ||
587 | case fdintENUMERATE: __fallthrough; | ||
588 | case fdintCABINET_INFO: | ||
589 | break; | ||
590 | default: | ||
591 | AssertSz(FALSE, "RexCallback() - unknown FDI notification command"); | ||
592 | }; | ||
593 | |||
594 | LExit: | ||
595 | if (FAILED(hr)) | ||
596 | { | ||
597 | vhrLastError = hr; | ||
598 | } | ||
599 | |||
600 | return (S_OK == hr) ? ipResult : -1; | ||
601 | } | ||