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1.1 root 1: /*
2: Copyright (c) 2008 TrueCrypt Foundation. All rights reserved.
3:
1.1.1.4 ! root 4: Governed by the TrueCrypt License 2.7 the full text of which is contained
1.1 root 5: in the file License.txt included in TrueCrypt binary and source code
6: distribution packages.
7: */
8:
9: #include "Tcdefs.h"
10:
11: #include "Inflate.h"
12: #include "SelfExtract.h"
13: #include "Wizard.h"
14: #include "Setup.h"
15: #include "Crc.h"
16: #include "Endian.h"
17: #include "Dlgcode.h"
18: #include "Dir.h"
19: #include "Language.h"
20: #include "Resource.h"
21:
22: #define OutputPackageFile "TrueCrypt Setup " VERSION_STRING ".exe"
23:
24: #define MAG_START_MARKER "TCINSTRT"
25: #define MAG_END_MARKER_OBFUSCATED "T/C/I/N/S/C/R/C"
26: #define PIPE_BUFFER_LEN (4 * BYTES_PER_KB)
27:
28: unsigned char MagEndMarker [sizeof (MAG_END_MARKER_OBFUSCATED)];
29: char DestExtractPath [TC_MAX_PATH];
30: DECOMPRESSED_FILE Decompressed_Files [NBR_COMPRESSED_FILES];
31:
32: volatile char *PipeWriteBuf = NULL;
33: volatile HANDLE hChildStdinWrite = INVALID_HANDLE_VALUE;
34: unsigned char *DecompressedData = NULL;
35:
36:
37:
38: void SelfExtractStartupInit (void)
39: {
40: DeobfuscateMagEndMarker ();
41: }
42:
43:
44: // The end marker must be included in the self-extracting exe only once, not twice (used e.g.
45: // by IsSelfExtractingPackage()) and that's why MAG_END_MARKER_OBFUSCATED is obfuscated and
46: // needs to be deobfuscated using this function at startup.
47: static void DeobfuscateMagEndMarker (void)
48: {
49: int i;
50:
51: for (i = 0; i < sizeof (MAG_END_MARKER_OBFUSCATED); i += 2)
52: MagEndMarker [i/2] = MAG_END_MARKER_OBFUSCATED [i];
53:
54: MagEndMarker [i/2] = 0;
55: }
56:
57:
58: static void PkgError (char *msg)
59: {
60: MessageBox (NULL, msg, "TrueCrypt", MB_ICONERROR | MB_SETFOREGROUND | MB_TOPMOST);
61: }
62:
63:
64: static void PkgWarning (char *msg)
65: {
66: MessageBox (NULL, msg, "TrueCrypt", MB_ICONWARNING | MB_SETFOREGROUND | MB_TOPMOST);
67: }
68:
69:
70: static void PkgInfo (char *msg)
71: {
72: MessageBox (NULL, msg, "TrueCrypt", MB_ICONINFORMATION | MB_SETFOREGROUND | MB_TOPMOST);
73: }
74:
75:
76: // Returns 0 if decompression fails or, if successful, returns the size of the decompressed data
77: static int DecompressBuffer (char *out, char *in, int len)
78: {
79: return (DecompressDeflatedData (out, in, len)); // Inflate
80: }
81:
82:
83: static void __cdecl PipeWriteThread (void *len)
84: {
85: int sendBufSize = PIPE_BUFFER_LEN, bytesSent = 0;
86: int bytesToSend = *((int *) len), bytesSentTotal = 0;
87:
88: if (PipeWriteBuf == NULL || (HANDLE) hChildStdinWrite == INVALID_HANDLE_VALUE)
89: {
90: PkgError ("Failed sending data to the STDIN pipe");
91: return;
92: }
93:
94: while (bytesToSend > 0)
95: {
96: if (bytesToSend < PIPE_BUFFER_LEN)
97: sendBufSize = bytesToSend;
98:
99: if (!WriteFile ((HANDLE) hChildStdinWrite, (char *) PipeWriteBuf + bytesSentTotal, sendBufSize, &bytesSent, NULL)
100: || bytesSent == 0
101: || bytesSent != sendBufSize)
102: {
103: PkgError ("Failed sending data to the STDIN pipe");
104: return;
105: }
106:
107: bytesToSend -= bytesSent;
108: bytesSentTotal += bytesSent;
109: }
110:
111: // Closing the pipe causes the child process to stop reading from it
112:
113: if (!CloseHandle (hChildStdinWrite))
114: {
115: PkgError ("Cannot close pipe");
116: return;
117: }
118: }
119:
120:
121: // Returns 0 if compression fails or, if successful, the size of the compressed data
122: static int CompressBuffer (char *out, char *in, int len)
123: {
124: SECURITY_ATTRIBUTES securityAttrib;
125: DWORD bytesReceived = 0;
126: HANDLE hChildStdoutWrite = INVALID_HANDLE_VALUE;
127: HANDLE hChildStdoutRead = INVALID_HANDLE_VALUE;
128: HANDLE hChildStdinRead = INVALID_HANDLE_VALUE;
129: STARTUPINFO startupInfo;
130: PROCESS_INFORMATION procInfo;
131: char pipeBuffer [PIPE_BUFFER_LEN];
132: int res_len = 0;
133: BOOL bGzipHeaderRead = FALSE;
134:
135: ZeroMemory (&startupInfo, sizeof (startupInfo));
136: ZeroMemory (&procInfo, sizeof (procInfo));
137:
138: // Pipe handle inheritance
139: securityAttrib.bInheritHandle = TRUE;
140: securityAttrib.nLength = sizeof (securityAttrib);
141: securityAttrib.lpSecurityDescriptor = NULL;
142:
143: if (!CreatePipe (&hChildStdoutRead, &hChildStdoutWrite, &securityAttrib, 0))
144: {
145: PkgError ("Cannot create STDOUT pipe.");
146: return 0;
147: }
148: SetHandleInformation (hChildStdoutRead, HANDLE_FLAG_INHERIT, 0);
149:
150: if (!CreatePipe (&hChildStdinRead, &((HANDLE) hChildStdinWrite), &securityAttrib, 0))
151: {
152: PkgError ("Cannot create STDIN pipe.");
153: return 0;
154: }
155: SetHandleInformation (hChildStdinWrite, HANDLE_FLAG_INHERIT, 0);
156:
157: // Create a child process that will compress the data
158:
159: startupInfo.wShowWindow = SW_HIDE;
160: startupInfo.hStdInput = hChildStdinRead;
161: startupInfo.hStdOutput = hChildStdoutWrite;
162: startupInfo.cb = sizeof (startupInfo);
163: startupInfo.hStdError = hChildStdoutWrite;
164: startupInfo.dwFlags |= STARTF_USESTDHANDLES | STARTF_USESHOWWINDOW;
165:
166: if (!CreateProcess (NULL, "gzip --best", NULL, NULL, TRUE, 0, NULL, NULL, &startupInfo, &procInfo))
167: {
168: PkgError ("Error: Cannot run gzip.\n\nBefore you can create a self-extracting TrueCrypt package, you need to have the open-source 'gzip' compression tool placed in any directory in the search path for executable files (for example, in 'C:\\Windows\\').\n\nNote: gzip can be freely downloaded e.g. from www.gzip.org");
169: return 0;
170: }
171:
172: CloseHandle (procInfo.hProcess);
173: CloseHandle (procInfo.hThread);
174:
175: // Start sending the uncompressed data to the pipe (STDIN)
176: PipeWriteBuf = in;
177: _beginthread (PipeWriteThread, PIPE_BUFFER_LEN * 2, (void *) &len);
178:
179: if (!CloseHandle (hChildStdoutWrite))
180: {
181: PkgError ("Cannot close STDOUT write");
182: return 0;
183: }
184:
185: bGzipHeaderRead = FALSE;
186:
187: // Read the compressed data from the pipe (sent by the child process to STDOUT)
188: while (TRUE)
189: {
190: if (!ReadFile (hChildStdoutRead, pipeBuffer, bGzipHeaderRead ? PIPE_BUFFER_LEN : 10, &bytesReceived, NULL))
191: break;
192:
193: if (bGzipHeaderRead)
194: {
195: memcpy (out + res_len, pipeBuffer, bytesReceived);
196: res_len += bytesReceived;
197: }
198: else
199: bGzipHeaderRead = TRUE; // Skip the 10-byte gzip header
200: }
201: return res_len - 8; // A gzip stream ends with a CRC-32 hash and a 32-bit size (those 8 bytes need to be chopped off)
202: }
203:
204:
205: // Clears all bytes that change when an exe file is digitally signed, except the data that are appended.
206: // If those bytes weren't cleared, CRC-32 checks would fail after signing.
207: static void WipeSignatureAreas (char *buffer)
208: {
1.1.1.2 root 209: // Clear bytes 0x130-0x1ff
210: memset (buffer + 0x130, 0, 0x200 - 0x130);
1.1 root 211: }
212:
213:
214: BOOL MakeSelfExtractingPackage (HWND hwndDlg, char *szDestDir)
215: {
216: int i, x;
217: unsigned char inputFile [TC_MAX_PATH];
218: unsigned char outputFile [TC_MAX_PATH];
219: unsigned char szTmpFilePath [TC_MAX_PATH];
220: unsigned char szTmp32bit [4] = {0};
221: unsigned char *szTmp32bitPtr = szTmp32bit;
222: unsigned char *buffer = NULL, *compressedBuffer = NULL;
223: unsigned char *bufIndex = NULL;
224: char tmpStr [2048];
225: int bufLen = 0, compressedDataLen = 0, uncompressedDataLen = 0;
226:
227: x = strlen (szDestDir);
228: if (x < 2)
229: return FALSE;
230:
231: if (szDestDir[x - 1] != '\\')
232: strcat (szDestDir, "\\");
233:
234: GetModuleFileName (NULL, inputFile, sizeof (inputFile));
235:
236: strcpy (outputFile, szDestDir);
237: strncat (outputFile, OutputPackageFile, sizeof (outputFile) - strlen (outputFile) - 1);
238:
239: // Clone 'TrueCrypt Setup.exe' to create the base of the new self-extracting archive
240:
241: if (!TCCopyFile (inputFile, outputFile))
242: {
243: handleWin32Error (hwndDlg);
244: PkgError ("Cannot copy 'TrueCrypt Setup.exe' to the package");
245: return FALSE;
246: }
247:
248: // Determine the buffer size needed for all the files and meta data and check if all required files exist
249:
250: bufLen = 0;
251:
252: for (i = 0; i < sizeof (szCompressedFiles) / sizeof (szCompressedFiles[0]); i++)
253: {
254: _snprintf (szTmpFilePath, sizeof(szTmpFilePath), "%s%s", szDestDir, szCompressedFiles[i]);
255:
256: if (!FileExists (szTmpFilePath))
257: {
258: char tmpstr [1000];
259:
260: _snprintf (tmpstr, sizeof(tmpstr), "File not found:\n\n'%s'", szTmpFilePath);
261: remove (outputFile);
262: PkgError (tmpstr);
263: return FALSE;
264: }
265:
266: bufLen += (int) GetFileSize64 (szTmpFilePath);
267:
268: bufLen += 2; // 16-bit filename length
269: bufLen += strlen(szCompressedFiles[i]); // Filename
270: bufLen += 4; // CRC-32
271: bufLen += 4; // 32-bit file length
272: }
273:
274: buffer = malloc (bufLen + 524288); // + 512K reserve
275: if (buffer == NULL)
276: {
277: PkgError ("Cannot allocate memory for uncompressed data");
278: remove (outputFile);
279: return FALSE;
280: }
281:
282:
283: // Write the start marker
284: if (!SaveBufferToFile (MAG_START_MARKER, outputFile, strlen (MAG_START_MARKER), TRUE))
285: {
286: PkgError ("Cannot write the start marker");
287: remove (outputFile);
288: return FALSE;
289: }
290:
291:
292: bufIndex = buffer;
293:
294: // Copy all required files and their meta data to the buffer
295: for (i = 0; i < sizeof (szCompressedFiles) / sizeof (szCompressedFiles[0]); i++)
296: {
297: DWORD tmpFileSize;
298: unsigned char *tmpBuffer;
299:
300: _snprintf (szTmpFilePath, sizeof(szTmpFilePath), "%s%s", szDestDir, szCompressedFiles[i]);
301:
302: tmpBuffer = LoadFile (szTmpFilePath, &tmpFileSize);
303:
304: if (tmpBuffer == NULL)
305: {
306: char tmpstr [1000];
307:
308: free (tmpBuffer);
309: _snprintf (tmpstr, sizeof(tmpstr), "Cannot load file \n'%s'", szTmpFilePath);
310: remove (outputFile);
311: PkgError (tmpstr);
312: goto msep_err;
313: }
314:
315: // Copy the filename length to the main buffer
316: mputWord (bufIndex, (WORD) strlen(szCompressedFiles[i]));
317:
318: // Copy the filename to the main buffer
319: memcpy (bufIndex, szCompressedFiles[i], strlen(szCompressedFiles[i]));
320: bufIndex += strlen(szCompressedFiles[i]);
321:
322: // Compute CRC-32 hash of the uncompressed file and copy it to the main buffer
323: mputLong (bufIndex, GetCrc32 (tmpBuffer, tmpFileSize));
324:
325: // Copy the file length to the main buffer
326: mputLong (bufIndex, (unsigned __int32) tmpFileSize);
327:
328: // Copy the file contents to the main buffer
329: memcpy (bufIndex, tmpBuffer, tmpFileSize);
330: bufIndex += tmpFileSize;
331:
332: free (tmpBuffer);
333: }
334:
335: // Calculate the total size of the uncompressed data
336: uncompressedDataLen = (int) (bufIndex - buffer);
337:
338: // Write total size of the uncompressed data
339: szTmp32bitPtr = szTmp32bit;
340: mputLong (szTmp32bitPtr, (unsigned __int32) uncompressedDataLen);
341: if (!SaveBufferToFile (szTmp32bit, outputFile, sizeof (szTmp32bit), TRUE))
342: {
343: remove (outputFile);
344: PkgError ("Cannot write the total size of the uncompressed data");
345: return FALSE;
346: }
347:
348: // Compress all the files and meta data in the buffer to create a solid archive
349:
350: compressedBuffer = malloc (uncompressedDataLen + 524288); // + 512K reserve
351: if (compressedBuffer == NULL)
352: {
353: remove (outputFile);
354: PkgError ("Cannot allocate memory for compressed data");
355: return FALSE;
356: }
357:
358: compressedDataLen = CompressBuffer (compressedBuffer, buffer, uncompressedDataLen);
359: if (compressedDataLen <= 0)
360: {
361: remove (outputFile);
362: PkgError ("Failed to compress the data");
363: return FALSE;
364: }
365:
366: free (buffer);
367:
368: // Write the total size of the compressed data
369: szTmp32bitPtr = szTmp32bit;
370: mputLong (szTmp32bitPtr, (unsigned __int32) compressedDataLen);
371: if (!SaveBufferToFile (szTmp32bit, outputFile, sizeof (szTmp32bit), TRUE))
372: {
373: remove (outputFile);
374: PkgError ("Cannot write the total size of the compressed data");
375: return FALSE;
376: }
377:
378: // Write the compressed data
379: if (!SaveBufferToFile (compressedBuffer, outputFile, compressedDataLen, TRUE))
380: {
381: remove (outputFile);
382: PkgError ("Cannot write compressed data to the package");
383: return FALSE;
384: }
385:
386: // Write the end marker
387: if (!SaveBufferToFile (MagEndMarker, outputFile, strlen (MagEndMarker), TRUE))
388: {
389: remove (outputFile);
390: PkgError ("Cannot write the end marker");
391: return FALSE;
392: }
393:
394: free (compressedBuffer);
395:
396: // Compute and write CRC-32 hash of the entire package
397: {
398: DWORD tmpFileSize;
399: char *tmpBuffer;
400:
401: tmpBuffer = LoadFile (outputFile, &tmpFileSize);
402:
403: if (tmpBuffer == NULL)
404: {
405: handleWin32Error (hwndDlg);
406: remove (outputFile);
407: PkgError ("Cannot load the package to compute CRC");
408: return FALSE;
409: }
410:
411: // Zero all bytes that change when the exe is digitally signed (except appended blocks).
412: WipeSignatureAreas (tmpBuffer);
413:
414: szTmp32bitPtr = szTmp32bit;
415: mputLong (szTmp32bitPtr, GetCrc32 (tmpBuffer, tmpFileSize));
416: if (!SaveBufferToFile (szTmp32bit, outputFile, sizeof (szTmp32bit), TRUE))
417: {
418: remove (outputFile);
419: PkgError ("Cannot write the total size of the compressed data");
420: return FALSE;
421: }
422:
423: free (tmpBuffer);
424: }
425:
426: sprintf (tmpStr, "Self-extracting package successfully created (%s)", outputFile);
427: PkgInfo (tmpStr);
428: return TRUE;
429:
430: msep_err:
431: free (buffer);
432: free (compressedBuffer);
433: return FALSE;
434: }
435:
436:
437: // Verifies the CRC-32 of the whole self-extracting package (except the digital signature areas, if present)
438: BOOL VerifyPackageIntegrity (void)
439: {
440: int fileDataEndPos = 0;
441: int fileDataStartPos = 0;
442: unsigned __int32 crc = 0;
443: unsigned char *tmpBuffer;
444: int tmpFileSize;
445: char path [TC_MAX_PATH];
446:
447: GetModuleFileName (NULL, path, sizeof (path));
448:
449: fileDataEndPos = (int) FindStringInFile (path, MagEndMarker, strlen (MagEndMarker));
450: if (fileDataEndPos < 0)
451: {
452: Error ("DIST_PACKAGE_CORRUPTED");
453: return FALSE;
454: }
455: fileDataEndPos--;
456:
457: fileDataStartPos = (int) FindStringInFile (path, MAG_START_MARKER, strlen (MAG_START_MARKER));
458: if (fileDataStartPos < 0)
459: {
460: Error ("DIST_PACKAGE_CORRUPTED");
461: return FALSE;
462: }
463: fileDataStartPos += strlen (MAG_START_MARKER);
464:
465:
466: if (!LoadInt32 (path, &crc, fileDataEndPos + strlen (MagEndMarker) + 1))
467: {
468: Error ("CANT_VERIFY_PACKAGE_INTEGRITY");
469: return FALSE;
470: }
471:
472: // Compute the CRC-32 hash of the whole file (except the digital signature area, if present)
473: tmpBuffer = LoadFile (path, &tmpFileSize);
474:
475: if (tmpBuffer == NULL)
476: {
477: Error ("CANT_VERIFY_PACKAGE_INTEGRITY");
478: return FALSE;
479: }
480:
481: // Zero all bytes that change when an exe is digitally signed (except appended blocks).
482: WipeSignatureAreas (tmpBuffer);
483:
484: if (crc != GetCrc32 (tmpBuffer, fileDataEndPos + 1 + strlen (MagEndMarker)))
485: {
486: free (tmpBuffer);
487: Error ("DIST_PACKAGE_CORRUPTED");
488: return FALSE;
489: }
490:
491: free (tmpBuffer);
492:
493: return TRUE;
494: }
495:
496:
497: // Determines whether we are a self-extracting package
498: BOOL IsSelfExtractingPackage (void)
499: {
500: char path [TC_MAX_PATH];
501:
502: GetModuleFileName (NULL, path, sizeof (path));
503:
504: return (FindStringInFile (path, MagEndMarker, strlen (MagEndMarker)) != -1);
505: }
506:
507:
508: static void FreeAllFileBuffers (void)
509: {
510: int fileNo;
511:
512: if (DecompressedData != NULL)
513: {
514: free (DecompressedData);
515: DecompressedData = NULL;
516: }
517:
518: for (fileNo = 0; fileNo < NBR_COMPRESSED_FILES; fileNo++)
519: {
520: Decompressed_Files[fileNo].fileName = NULL;
521: Decompressed_Files[fileNo].fileContent = NULL;
522: Decompressed_Files[fileNo].fileNameLength = 0;
523: Decompressed_Files[fileNo].fileLength = 0;
524: Decompressed_Files[fileNo].crc = 0;
525: }
526: }
527:
528:
529: // Assumes that VerifyPackageIntegrity() has been used. Returns TRUE, if successful (otherwise FALSE).
530: // Creates a table of pointers to buffers containing the following objects for each file:
531: // filename size, filename (not null-terminated!), file size, file CRC-32, uncompressed file contents.
532: // For details, see the definition of the DECOMPRESSED_FILE structure.
533: BOOL SelfExtractInMemory (char *path)
534: {
535: int filePos = 0, fileNo = 0;
536: int fileDataEndPos = 0;
537: int fileDataStartPos = 0;
538: unsigned int uncompressedLen = 0;
539: unsigned int compressedLen = 0;
540: unsigned char *compressedData = NULL;
541: unsigned char *bufPos = NULL, *bufEndPos = NULL;
542:
543: FreeAllFileBuffers();
544:
545: fileDataEndPos = (int) FindStringInFile (path, MagEndMarker, strlen (MagEndMarker));
546: if (fileDataEndPos < 0)
547: {
548: Error ("CANNOT_READ_FROM_PACKAGE");
549: return FALSE;
550: }
551:
552: fileDataEndPos--;
553:
554: fileDataStartPos = (int) FindStringInFile (path, MAG_START_MARKER, strlen (MAG_START_MARKER));
555: if (fileDataStartPos < 0)
556: {
557: Error ("CANNOT_READ_FROM_PACKAGE");
558: return FALSE;
559: }
560:
561: fileDataStartPos += strlen (MAG_START_MARKER);
562:
563: filePos = fileDataStartPos;
564:
565: // Read the stored total size of the uncompressed data
566: if (!LoadInt32 (path, &uncompressedLen, filePos))
567: {
568: Error ("CANNOT_READ_FROM_PACKAGE");
569: return FALSE;
570: }
571:
572: filePos += 4;
573:
574: // Read the stored total size of the compressed data
575: if (!LoadInt32 (path, &compressedLen, filePos))
576: {
577: Error ("CANNOT_READ_FROM_PACKAGE");
578: return FALSE;
579: }
580:
581: filePos += 4;
582:
583: if (compressedLen != fileDataEndPos - fileDataStartPos - 8 + 1)
584: {
585: Error ("DIST_PACKAGE_CORRUPTED");
586: }
587:
588: DecompressedData = malloc (uncompressedLen + 524288); // + 512K reserve
589: if (DecompressedData == NULL)
590: {
591: Error ("ERR_MEM_ALLOC");
592: return FALSE;
593: }
594:
595: bufPos = DecompressedData;
596: bufEndPos = bufPos + uncompressedLen - 1;
597:
598: compressedData = LoadFileBlock (path, filePos, compressedLen);
599:
600: if (compressedData == NULL)
601: {
602: free (DecompressedData);
603: DecompressedData = NULL;
604:
605: Error ("CANNOT_READ_FROM_PACKAGE");
606: return FALSE;
607: }
608:
609: // Decompress the data
610: if (DecompressBuffer (DecompressedData, compressedData, compressedLen) != uncompressedLen)
611: {
612: Error ("DIST_PACKAGE_CORRUPTED");
613: goto sem_end;
614: }
615:
616: while (bufPos <= bufEndPos && fileNo < NBR_COMPRESSED_FILES)
617: {
618: // Filename length
619: Decompressed_Files[fileNo].fileNameLength = mgetWord (bufPos);
620:
621: // Filename
622: Decompressed_Files[fileNo].fileName = bufPos;
623: bufPos += Decompressed_Files[fileNo].fileNameLength;
624:
625: // CRC-32 of the file
626: Decompressed_Files[fileNo].crc = mgetLong (bufPos);
627:
628: // File length
629: Decompressed_Files[fileNo].fileLength = mgetLong (bufPos);
630:
631: // File content
632: Decompressed_Files[fileNo].fileContent = bufPos;
633: bufPos += Decompressed_Files[fileNo].fileLength;
634:
635: // Verify CRC-32 of the file (to verify that it didn't get corrupted while creating the solid archive).
636: if (Decompressed_Files[fileNo].crc
637: != GetCrc32 (Decompressed_Files[fileNo].fileContent, Decompressed_Files[fileNo].fileLength))
638: {
639: Error ("DIST_PACKAGE_CORRUPTED");
640: goto sem_end;
641: }
642:
643: fileNo++;
644: }
645:
646: if (fileNo < NBR_COMPRESSED_FILES)
647: {
648: Error ("DIST_PACKAGE_CORRUPTED");
649: goto sem_end;
650: }
651:
652: free (compressedData);
653: return TRUE;
654:
655: sem_end:
656: FreeAllFileBuffers();
657: free (compressedData);
658: return FALSE;
659: }
660:
661:
662: void __cdecl ExtractAllFilesThread (void *hwndDlg)
663: {
664: int fileNo;
665: BOOL bSuccess = FALSE;
666: char packageFile [TC_MAX_PATH];
667:
668: InvalidateRect (GetDlgItem (GetParent (hwndDlg), IDD_INSTL_DLG), NULL, TRUE);
669:
670: ClearLogWindow (hwndDlg);
671:
672: GetModuleFileName (NULL, packageFile, sizeof (packageFile));
673:
674: if (!(bSuccess = SelfExtractInMemory (packageFile)))
675: goto eaf_end;
676:
677: if (mkfulldir (DestExtractPath, TRUE) != 0)
678: {
679: if (mkfulldir (DestExtractPath, FALSE) != 0)
680: {
681: wchar_t szTmp[TC_MAX_PATH];
682:
683: handleWin32Error (hwndDlg);
684: wsprintfW (szTmp, GetString ("CANT_CREATE_FOLDER"), DestExtractPath);
685: MessageBoxW (hwndDlg, szTmp, lpszTitle, MB_ICONHAND);
686: bSuccess = FALSE;
687: goto eaf_end;
688: }
689: }
690:
691: for (fileNo = 0; fileNo < NBR_COMPRESSED_FILES; fileNo++)
692: {
693: char fileName [TC_MAX_PATH] = {0};
694: char filePath [TC_MAX_PATH] = {0};
695:
696: // Filename
697: strncpy (fileName, Decompressed_Files[fileNo].fileName, Decompressed_Files[fileNo].fileNameLength);
698: fileName [Decompressed_Files[fileNo].fileNameLength] = 0;
699: strcpy (filePath, DestExtractPath);
700: strcat (filePath, fileName);
701:
702: StatusMessageParam (hwndDlg, "EXTRACTING_VERB", filePath);
703:
704: // Write the file
705: if (!SaveBufferToFile (
706: Decompressed_Files[fileNo].fileContent,
707: filePath,
708: Decompressed_Files[fileNo].fileLength,
709: FALSE))
710: {
711: wchar_t szTmp[512];
712:
713: _snwprintf (szTmp, sizeof (szTmp) / 2, GetString ("CANNOT_WRITE_FILE_X"), filePath);
714: MessageBoxW (hwndDlg, szTmp, lpszTitle, MB_ICONERROR | MB_SETFOREGROUND | MB_TOPMOST);
715: bSuccess = FALSE;
716: goto eaf_end;
717: }
718: UpdateProgressBarProc ((int) (100 * ((float) fileNo / NBR_COMPRESSED_FILES)));
719: }
720:
721: eaf_end:
722: FreeAllFileBuffers();
723:
724: if (bSuccess)
725: PostMessage (MainDlg, TC_APPMSG_EXTRACTION_SUCCESS, 0, 0);
726: else
727: PostMessage (MainDlg, TC_APPMSG_EXTRACTION_FAILURE, 0, 0);
728: }
729:
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