bool F7ZFile::Open(bool quiet) { Archive = new C7zArchive(Reader); int skipped = 0; SRes res; res = Archive->Open(); if (res != SZ_OK) { delete Archive; Archive = NULL; if (!quiet) { Printf("\n" TEXTCOLOR_RED "%s: ", Filename); if (res == SZ_ERROR_UNSUPPORTED) { Printf("Decoder does not support this archive\n"); } else if (res == SZ_ERROR_MEM) { Printf("Cannot allocate memory\n"); } else if (res == SZ_ERROR_CRC) { Printf("CRC error\n"); } else { Printf("error #%d\n", res); } } return false; } CSzArEx* const archPtr = &Archive->DB; NumLumps = archPtr->NumFiles; Lumps = new F7ZLump[NumLumps]; F7ZLump *lump_p = Lumps; TArray<UInt16> nameUTF16; TArray<char> nameASCII; for (uint32_t i = 0; i < NumLumps; ++i) { // skip Directories if (SzArEx_IsDir(archPtr, i)) { skipped++; continue; } const size_t nameLength = SzArEx_GetFileNameUtf16(archPtr, i, NULL); if (0 == nameLength) { ++skipped; continue; } nameUTF16.Resize((unsigned)nameLength); nameASCII.Resize((unsigned)nameLength); SzArEx_GetFileNameUtf16(archPtr, i, &nameUTF16[0]); for (size_t c = 0; c < nameLength; ++c) { nameASCII[c] = static_cast<char>(nameUTF16[c]); } FixPathSeperator(&nameASCII[0]); FString name = &nameASCII[0]; name.ToLower(); lump_p->LumpNameSetup(name); lump_p->LumpSize = static_cast<int>(SzArEx_GetFileSize(archPtr, i)); lump_p->Owner = this; lump_p->Flags = LUMPF_ZIPFILE; lump_p->Position = i; lump_p->CheckEmbedded(); lump_p++; } // Resize the lump record array to its actual size NumLumps -= skipped; if (NumLumps > 0) { // Quick check for unsupported compression method TArray<char> temp; temp.Resize(Lumps[0].LumpSize); if (SZ_OK != Archive->Extract(Lumps[0].Position, &temp[0])) { if (!quiet) Printf("\n%s: unsupported 7z/LZMA file!\n", Filename); return false; } } if (!quiet && !batchrun) Printf(", %d lumps\n", NumLumps); PostProcessArchive(&Lumps[0], sizeof(F7ZLump)); return true; }
int MY_CDECL main(int numargs, char *args[]) { CFileInStream archiveStream; CLookToRead lookStream; CSzArEx db; SRes res; ISzAlloc allocImp; ISzAlloc allocTempImp; UInt16 *temp = NULL; size_t tempSize = 0; // UInt32 parents[NUM_PARENTS_MAX]; printf("\n7z ANSI-C Decoder " MY_VERSION_COPYRIGHT_DATE "\n\n"); if (numargs == 1) { printf( "Usage: 7zDec <command> <archive_name>\n\n" "<Commands>\n" " e: Extract files from archive (without using directory names)\n" " l: List contents of archive\n" " t: Test integrity of archive\n" " x: eXtract files with full paths\n"); return 0; } if (numargs < 3) { PrintError("incorrect command"); return 1; } #if defined(_WIN32) && !defined(USE_WINDOWS_FILE) && !defined(UNDER_CE) g_FileCodePage = AreFileApisANSI() ? CP_ACP : CP_OEMCP; #endif allocImp.Alloc = SzAlloc; allocImp.Free = SzFree; allocTempImp.Alloc = SzAllocTemp; allocTempImp.Free = SzFreeTemp; #ifdef UNDER_CE if (InFile_OpenW(&archiveStream.file, L"\test.7z")) #else if (InFile_Open(&archiveStream.file, args[2])) #endif { PrintError("can not open input file"); return 1; } FileInStream_CreateVTable(&archiveStream); LookToRead_CreateVTable(&lookStream, False); lookStream.realStream = &archiveStream.s; LookToRead_Init(&lookStream); CrcGenerateTable(); SzArEx_Init(&db); res = SzArEx_Open(&db, &lookStream.s, &allocImp, &allocTempImp); if (res == SZ_OK) { char *command = args[1]; int listCommand = 0, testCommand = 0, fullPaths = 0; if (strcmp(command, "l") == 0) listCommand = 1; else if (strcmp(command, "t") == 0) testCommand = 1; else if (strcmp(command, "e") == 0) { } else if (strcmp(command, "x") == 0) { fullPaths = 1; } else { PrintError("incorrect command"); res = SZ_ERROR_FAIL; } if (res == SZ_OK) { UInt32 i; /* if you need cache, use these 3 variables. if you use external function, you can make these variable as static. */ UInt32 blockIndex = 0xFFFFFFFF; /* it can have any value before first call (if outBuffer = 0) */ Byte *outBuffer = 0; /* it must be 0 before first call for each new archive. */ size_t outBufferSize = 0; /* it can have any value before first call (if outBuffer = 0) */ for (i = 0; i < db.NumFiles; i++) { size_t offset = 0; size_t outSizeProcessed = 0; // const CSzFileItem *f = db.Files + i; size_t len; unsigned isDir = SzArEx_IsDir(&db, i); if (listCommand == 0 && isDir && !fullPaths) continue; len = SzArEx_GetFileNameUtf16(&db, i, NULL); // len = SzArEx_GetFullNameLen(&db, i); if (len > tempSize) { SzFree(NULL, temp); tempSize = len; temp = (UInt16 *)SzAlloc(NULL, tempSize * sizeof(temp[0])); if (!temp) { res = SZ_ERROR_MEM; break; } } SzArEx_GetFileNameUtf16(&db, i, temp); /* if (SzArEx_GetFullNameUtf16_Back(&db, i, temp + len) != temp) { res = SZ_ERROR_FAIL; break; } */ if (listCommand) { char attr[8], s[32], t[32]; UInt64 fileSize; GetAttribString(SzBitWithVals_Check(&db.Attribs, i) ? db.Attribs.Vals[i] : 0, isDir, attr); fileSize = SzArEx_GetFileSize(&db, i); UInt64ToStr(fileSize, s); if (SzBitWithVals_Check(&db.MTime, i)) ConvertFileTimeToString(&db.MTime.Vals[i], t); else { size_t j; for (j = 0; j < 19; j++) t[j] = ' '; t[j] = '\0'; } printf("%s %s %10s ", t, attr, s); res = PrintString(temp); if (res != SZ_OK) break; if (isDir) printf("/"); printf("\n"); continue; } fputs(testCommand ? "Testing ": "Extracting ", stdout); res = PrintString(temp); if (res != SZ_OK) break; if (isDir) printf("/"); else { res = SzArEx_Extract(&db, &lookStream.s, i, &blockIndex, &outBuffer, &outBufferSize, &offset, &outSizeProcessed, &allocImp, &allocTempImp); if (res != SZ_OK) break; } if (!testCommand) { CSzFile outFile; size_t processedSize; size_t j; UInt16 *name = (UInt16 *)temp; const UInt16 *destPath = (const UInt16 *)name; for (j = 0; name[j] != 0; j++) if (name[j] == '/') { if (fullPaths) { name[j] = 0; MyCreateDir(name); name[j] = CHAR_PATH_SEPARATOR; } else destPath = name + j + 1; } if (isDir) { MyCreateDir(destPath); printf("\n"); continue; } else if (OutFile_OpenUtf16(&outFile, destPath)) { PrintError("can not open output file"); res = SZ_ERROR_FAIL; break; } processedSize = outSizeProcessed; if (File_Write(&outFile, outBuffer + offset, &processedSize) != 0 || processedSize != outSizeProcessed) { PrintError("can not write output file"); res = SZ_ERROR_FAIL; break; } if (File_Close(&outFile)) { PrintError("can not close output file"); res = SZ_ERROR_FAIL; break; } #ifdef USE_WINDOWS_FILE if (SzBitWithVals_Check(&db.Attribs, i)) SetFileAttributesW(destPath, db.Attribs.Vals[i]); #endif } printf("\n"); } IAlloc_Free(&allocImp, outBuffer); } } SzArEx_Free(&db, &allocImp); SzFree(NULL, temp); File_Close(&archiveStream.file); if (res == SZ_OK) { printf("\nEverything is Ok\n"); return 0; } if (res == SZ_ERROR_UNSUPPORTED) PrintError("decoder doesn't support this archive"); else if (res == SZ_ERROR_MEM) PrintError("can not allocate memory"); else if (res == SZ_ERROR_CRC) PrintError("CRC error"); else printf("\nERROR #%d\n", res); return 1; }
int MY_CDECL main(int numargs, char *args[]) { ISzAlloc allocImp; ISzAlloc allocTempImp; CFileInStream archiveStream; CLookToRead2 lookStream; CSzArEx db; SRes res; UInt16 *temp = NULL; size_t tempSize = 0; // UInt32 parents[NUM_PARENTS_MAX]; Print("\n7z Decoder " MY_VERSION_CPU " : " MY_COPYRIGHT_DATE "\n\n"); if (numargs == 1) { Print( "Usage: 7zDec <command> <archive_name>\n\n" "<Commands>\n" " e: Extract files from archive (without using directory names)\n" " l: List contents of archive\n" " t: Test integrity of archive\n" " x: eXtract files with full paths\n"); return 0; } if (numargs < 3) { PrintError("incorrect command"); return 1; } #if defined(_WIN32) && !defined(USE_WINDOWS_FILE) && !defined(UNDER_CE) g_FileCodePage = AreFileApisANSI() ? CP_ACP : CP_OEMCP; #endif allocImp = g_Alloc; allocTempImp = g_Alloc; #ifdef UNDER_CE if (InFile_OpenW(&archiveStream.file, L"\test.7z")) #else if (InFile_Open(&archiveStream.file, args[2])) #endif { PrintError("can not open input file"); return 1; } FileInStream_CreateVTable(&archiveStream); LookToRead2_CreateVTable(&lookStream, False); lookStream.buf = NULL; res = SZ_OK; { lookStream.buf = (Byte *)ISzAlloc_Alloc(&allocImp, kInputBufSize); if (!lookStream.buf) res = SZ_ERROR_MEM; else { lookStream.bufSize = kInputBufSize; lookStream.realStream = &archiveStream.vt; LookToRead2_Init(&lookStream); } } CrcGenerateTable(); SzArEx_Init(&db); if (res == SZ_OK) { res = SzArEx_Open(&db, &lookStream.vt, &allocImp, &allocTempImp); } if (res == SZ_OK) { char *command = args[1]; int listCommand = 0, testCommand = 0, fullPaths = 0; if (strcmp(command, "l") == 0) listCommand = 1; else if (strcmp(command, "t") == 0) testCommand = 1; else if (strcmp(command, "e") == 0) { } else if (strcmp(command, "x") == 0) { fullPaths = 1; } else { PrintError("incorrect command"); res = SZ_ERROR_FAIL; } if (res == SZ_OK) { UInt32 i; /* if you need cache, use these 3 variables. if you use external function, you can make these variable as static. */ UInt32 blockIndex = 0xFFFFFFFF; /* it can have any value before first call (if outBuffer = 0) */ Byte *outBuffer = 0; /* it must be 0 before first call for each new archive. */ size_t outBufferSize = 0; /* it can have any value before first call (if outBuffer = 0) */ for (i = 0; i < db.NumFiles; i++) { size_t offset = 0; size_t outSizeProcessed = 0; // const CSzFileItem *f = db.Files + i; size_t len; unsigned isDir = SzArEx_IsDir(&db, i); if (listCommand == 0 && isDir && !fullPaths) continue; len = SzArEx_GetFileNameUtf16(&db, i, NULL); // len = SzArEx_GetFullNameLen(&db, i); if (len > tempSize) { SzFree(NULL, temp); tempSize = len; temp = (UInt16 *)SzAlloc(NULL, tempSize * sizeof(temp[0])); if (!temp) { res = SZ_ERROR_MEM; break; } } SzArEx_GetFileNameUtf16(&db, i, temp); /* if (SzArEx_GetFullNameUtf16_Back(&db, i, temp + len) != temp) { res = SZ_ERROR_FAIL; break; } */ if (listCommand) { char attr[8], s[32], t[32]; UInt64 fileSize; GetAttribString(SzBitWithVals_Check(&db.Attribs, i) ? db.Attribs.Vals[i] : 0, isDir, attr); fileSize = SzArEx_GetFileSize(&db, i); UInt64ToStr(fileSize, s, 10); if (SzBitWithVals_Check(&db.MTime, i)) ConvertFileTimeToString(&db.MTime.Vals[i], t); else { size_t j; for (j = 0; j < 19; j++) t[j] = ' '; t[j] = '\0'; } Print(t); Print(" "); Print(attr); Print(" "); Print(s); Print(" "); res = PrintString(temp); if (res != SZ_OK) break; if (isDir) Print("/"); PrintLF(); continue; } Print(testCommand ? "Testing ": "Extracting "); res = PrintString(temp); if (res != SZ_OK) break; if (isDir) Print("/"); else { res = SzArEx_Extract(&db, &lookStream.vt, i, &blockIndex, &outBuffer, &outBufferSize, &offset, &outSizeProcessed, &allocImp, &allocTempImp); if (res != SZ_OK) break; } if (!testCommand) { CSzFile outFile; size_t processedSize; size_t j; UInt16 *name = (UInt16 *)temp; const UInt16 *destPath = (const UInt16 *)name; for (j = 0; name[j] != 0; j++) if (name[j] == '/') { if (fullPaths) { name[j] = 0; MyCreateDir(name); name[j] = CHAR_PATH_SEPARATOR; } else destPath = name + j + 1; } if (isDir) { MyCreateDir(destPath); PrintLF(); continue; } else if (OutFile_OpenUtf16(&outFile, destPath)) { PrintError("can not open output file"); res = SZ_ERROR_FAIL; break; } processedSize = outSizeProcessed; if (File_Write(&outFile, outBuffer + offset, &processedSize) != 0 || processedSize != outSizeProcessed) { PrintError("can not write output file"); res = SZ_ERROR_FAIL; break; } #ifdef USE_WINDOWS_FILE { FILETIME mtime, ctime; FILETIME *mtimePtr = NULL; FILETIME *ctimePtr = NULL; if (SzBitWithVals_Check(&db.MTime, i)) { const CNtfsFileTime *t = &db.MTime.Vals[i]; mtime.dwLowDateTime = (DWORD)(t->Low); mtime.dwHighDateTime = (DWORD)(t->High); mtimePtr = &mtime; } if (SzBitWithVals_Check(&db.CTime, i)) { const CNtfsFileTime *t = &db.CTime.Vals[i]; ctime.dwLowDateTime = (DWORD)(t->Low); ctime.dwHighDateTime = (DWORD)(t->High); ctimePtr = &ctime; } if (mtimePtr || ctimePtr) SetFileTime(outFile.handle, ctimePtr, NULL, mtimePtr); } #endif if (File_Close(&outFile)) { PrintError("can not close output file"); res = SZ_ERROR_FAIL; break; } #ifdef USE_WINDOWS_FILE if (SzBitWithVals_Check(&db.Attribs, i)) { UInt32 attrib = db.Attribs.Vals[i]; /* p7zip stores posix attributes in high 16 bits and adds 0x8000 as marker. We remove posix bits, if we detect posix mode field */ if ((attrib & 0xF0000000) != 0) attrib &= 0x7FFF; SetFileAttributesW((LPCWSTR)destPath, attrib); } #endif } PrintLF(); } ISzAlloc_Free(&allocImp, outBuffer); } } SzFree(NULL, temp); SzArEx_Free(&db, &allocImp); ISzAlloc_Free(&allocImp, lookStream.buf); File_Close(&archiveStream.file); if (res == SZ_OK) { Print("\nEverything is Ok\n"); return 0; } if (res == SZ_ERROR_UNSUPPORTED) PrintError("decoder doesn't support this archive"); else if (res == SZ_ERROR_MEM) PrintError("can not allocate memory"); else if (res == SZ_ERROR_CRC) PrintError("CRC error"); else { char s[32]; UInt64ToStr(res, s, 0); PrintError(s); } return 1; }