15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)/* 7zIn.c -- 7z Input functions 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)2010-10-29 : Igor Pavlov : Public domain */ 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <string.h> 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "7z.h" 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "7zCrc.h" 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "CpuArch.h" 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)Byte k7zSignature[k7zSignatureSize] = {'7', 'z', 0xBC, 0xAF, 0x27, 0x1C}; 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define RINOM(x) { if ((x) == 0) return SZ_ERROR_MEM; } 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define NUM_FOLDER_CODERS_MAX 32 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define NUM_CODER_STREAMS_MAX 32 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void SzCoderInfo_Init(CSzCoderInfo *p) 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Buf_Init(&p->Props); 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void SzCoderInfo_Free(CSzCoderInfo *p, ISzAlloc *alloc) 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Buf_Free(&p->Props, alloc); 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SzCoderInfo_Init(p); 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void SzFolder_Init(CSzFolder *p) 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) p->Coders = 0; 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) p->BindPairs = 0; 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) p->PackStreams = 0; 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) p->UnpackSizes = 0; 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) p->NumCoders = 0; 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) p->NumBindPairs = 0; 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) p->NumPackStreams = 0; 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) p->UnpackCRCDefined = 0; 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) p->UnpackCRC = 0; 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) p->NumUnpackStreams = 0; 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void SzFolder_Free(CSzFolder *p, ISzAlloc *alloc) 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt32 i; 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (p->Coders) 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (i = 0; i < p->NumCoders; i++) 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SzCoderInfo_Free(&p->Coders[i], alloc); 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) IAlloc_Free(alloc, p->Coders); 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) IAlloc_Free(alloc, p->BindPairs); 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) IAlloc_Free(alloc, p->PackStreams); 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) IAlloc_Free(alloc, p->UnpackSizes); 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SzFolder_Init(p); 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)UInt32 SzFolder_GetNumOutStreams(CSzFolder *p) 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt32 result = 0; 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt32 i; 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (i = 0; i < p->NumCoders; i++) 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) result += p->Coders[i].NumOutStreams; 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return result; 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int SzFolder_FindBindPairForInStream(CSzFolder *p, UInt32 inStreamIndex) 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt32 i; 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (i = 0; i < p->NumBindPairs; i++) 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (p->BindPairs[i].InIndex == inStreamIndex) 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return i; 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return -1; 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int SzFolder_FindBindPairForOutStream(CSzFolder *p, UInt32 outStreamIndex) 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt32 i; 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (i = 0; i < p->NumBindPairs; i++) 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (p->BindPairs[i].OutIndex == outStreamIndex) 795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return i; 805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return -1; 815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)UInt64 SzFolder_GetUnpackSize(CSzFolder *p) 845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int i = (int)SzFolder_GetNumOutStreams(p); 865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (i == 0) 875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return 0; 885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (i--; i >= 0; i--) 895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (SzFolder_FindBindPairForOutStream(p, i) < 0) 905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return p->UnpackSizes[i]; 915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) /* throw 1; */ 925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return 0; 935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void SzFile_Init(CSzFileItem *p) 965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) p->HasStream = 1; 985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) p->IsDir = 0; 995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) p->IsAnti = 0; 1005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) p->CrcDefined = 0; 1015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) p->MTimeDefined = 0; 1025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void SzAr_Init(CSzAr *p) 1055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 1065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) p->PackSizes = 0; 1075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) p->PackCRCsDefined = 0; 1085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) p->PackCRCs = 0; 1095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) p->Folders = 0; 1105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) p->Files = 0; 1115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) p->NumPackStreams = 0; 1125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) p->NumFolders = 0; 1135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) p->NumFiles = 0; 1145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void SzAr_Free(CSzAr *p, ISzAlloc *alloc) 1175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 1185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt32 i; 1195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (p->Folders) 1205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (i = 0; i < p->NumFolders; i++) 1215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SzFolder_Free(&p->Folders[i], alloc); 1225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) IAlloc_Free(alloc, p->PackSizes); 1245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) IAlloc_Free(alloc, p->PackCRCsDefined); 1255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) IAlloc_Free(alloc, p->PackCRCs); 1265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) IAlloc_Free(alloc, p->Folders); 1275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) IAlloc_Free(alloc, p->Files); 1285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SzAr_Init(p); 1295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void SzArEx_Init(CSzArEx *p) 1335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 1345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SzAr_Init(&p->db); 1355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) p->FolderStartPackStreamIndex = 0; 1365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) p->PackStreamStartPositions = 0; 1375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) p->FolderStartFileIndex = 0; 1385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) p->FileIndexToFolderIndexMap = 0; 1395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) p->FileNameOffsets = 0; 1405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Buf_Init(&p->FileNames); 1415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void SzArEx_Free(CSzArEx *p, ISzAlloc *alloc) 1445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 1455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) IAlloc_Free(alloc, p->FolderStartPackStreamIndex); 1465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) IAlloc_Free(alloc, p->PackStreamStartPositions); 1475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) IAlloc_Free(alloc, p->FolderStartFileIndex); 1485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) IAlloc_Free(alloc, p->FileIndexToFolderIndexMap); 1495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) IAlloc_Free(alloc, p->FileNameOffsets); 1515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Buf_Free(&p->FileNames, alloc); 1525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SzAr_Free(&p->db, alloc); 1545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SzArEx_Init(p); 1555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)/* 1585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)UInt64 GetFolderPackStreamSize(int folderIndex, int streamIndex) const 1595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 1605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return PackSizes[FolderStartPackStreamIndex[folderIndex] + streamIndex]; 1615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)UInt64 GetFilePackSize(int fileIndex) const 1645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 1655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int folderIndex = FileIndexToFolderIndexMap[fileIndex]; 1665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (folderIndex >= 0) 1675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 1685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const CSzFolder &folderInfo = Folders[folderIndex]; 1695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (FolderStartFileIndex[folderIndex] == fileIndex) 1705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return GetFolderFullPackSize(folderIndex); 1715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return 0; 1735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)*/ 1755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define MY_ALLOC(T, p, size, alloc) { if ((size) == 0) p = 0; else \ 1775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if ((p = (T *)IAlloc_Alloc(alloc, (size) * sizeof(T))) == 0) return SZ_ERROR_MEM; } 1785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)static SRes SzArEx_Fill(CSzArEx *p, ISzAlloc *alloc) 1805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 1815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt32 startPos = 0; 1825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt64 startPosSize = 0; 1835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt32 i; 1845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt32 folderIndex = 0; 1855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt32 indexInFolder = 0; 1865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MY_ALLOC(UInt32, p->FolderStartPackStreamIndex, p->db.NumFolders, alloc); 1875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (i = 0; i < p->db.NumFolders; i++) 1885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 1895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) p->FolderStartPackStreamIndex[i] = startPos; 1905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) startPos += p->db.Folders[i].NumPackStreams; 1915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MY_ALLOC(UInt64, p->PackStreamStartPositions, p->db.NumPackStreams, alloc); 1945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (i = 0; i < p->db.NumPackStreams; i++) 1965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 1975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) p->PackStreamStartPositions[i] = startPosSize; 1985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) startPosSize += p->db.PackSizes[i]; 1995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MY_ALLOC(UInt32, p->FolderStartFileIndex, p->db.NumFolders, alloc); 2025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MY_ALLOC(UInt32, p->FileIndexToFolderIndexMap, p->db.NumFiles, alloc); 2035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (i = 0; i < p->db.NumFiles; i++) 2055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 2065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CSzFileItem *file = p->db.Files + i; 2075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int emptyStream = !file->HasStream; 2085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (emptyStream && indexInFolder == 0) 2095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 2105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) p->FileIndexToFolderIndexMap[i] = (UInt32)-1; 2115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) continue; 2125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (indexInFolder == 0) 2145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 2155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) /* 2165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) v3.13 incorrectly worked with empty folders 2175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) v4.07: Loop for skipping empty folders 2185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) */ 2195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (;;) 2205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 2215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (folderIndex >= p->db.NumFolders) 2225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return SZ_ERROR_ARCHIVE; 2235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) p->FolderStartFileIndex[folderIndex] = i; 2245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (p->db.Folders[folderIndex].NumUnpackStreams != 0) 2255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 2265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) folderIndex++; 2275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) p->FileIndexToFolderIndexMap[i] = folderIndex; 2305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (emptyStream) 2315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) continue; 2325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) indexInFolder++; 2335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (indexInFolder >= p->db.Folders[folderIndex].NumUnpackStreams) 2345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 2355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) folderIndex++; 2365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) indexInFolder = 0; 2375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return SZ_OK; 2405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)UInt64 SzArEx_GetFolderStreamPos(const CSzArEx *p, UInt32 folderIndex, UInt32 indexInFolder) 2445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 2455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return p->dataPos + 2465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) p->PackStreamStartPositions[p->FolderStartPackStreamIndex[folderIndex] + indexInFolder]; 2475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int SzArEx_GetFolderFullPackSize(const CSzArEx *p, UInt32 folderIndex, UInt64 *resSize) 2505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 2515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt32 packStreamIndex = p->FolderStartPackStreamIndex[folderIndex]; 2525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CSzFolder *folder = p->db.Folders + folderIndex; 2535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt64 size = 0; 2545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt32 i; 2555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (i = 0; i < folder->NumPackStreams; i++) 2565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 2575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt64 t = size + p->db.PackSizes[packStreamIndex + i]; 2585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (t < size) /* check it */ 2595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return SZ_ERROR_FAIL; 2605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size = t; 2615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *resSize = size; 2635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return SZ_OK; 2645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)/* 2685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)SRes SzReadTime(const CObjectVector<CBuf> &dataVector, 2695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CObjectVector<CSzFileItem> &files, UInt64 type) 2705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 2715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CBoolVector boolVector; 2725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(ReadBoolVector2(files.Size(), boolVector)) 2735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CStreamSwitch streamSwitch; 2755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(streamSwitch.Set(this, &dataVector)); 2765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (int i = 0; i < files.Size(); i++) 2785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 2795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CSzFileItem &file = files[i]; 2805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CArchiveFileTime fileTime; 2815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool defined = boolVector[i]; 2825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (defined) 2835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 2845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt32 low, high; 2855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzReadUInt32(low)); 2865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzReadUInt32(high)); 2875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) fileTime.dwLowDateTime = low; 2885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) fileTime.dwHighDateTime = high; 2895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) switch(type) 2915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 2925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case k7zIdCTime: file.IsCTimeDefined = defined; if (defined) file.CTime = fileTime; break; 2935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case k7zIdATime: file.IsATimeDefined = defined; if (defined) file.ATime = fileTime; break; 2945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case k7zIdMTime: file.IsMTimeDefined = defined; if (defined) file.MTime = fileTime; break; 2955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return SZ_OK; 2985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)*/ 3005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)static int TestSignatureCandidate(Byte *testBytes) 3025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 3035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t i; 3045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (i = 0; i < k7zSignatureSize; i++) 3055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (testBytes[i] != k7zSignature[i]) 3065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return 0; 3075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return 1; 3085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)typedef struct _CSzState 3115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 3125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Byte *Data; 3135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t Size; 3145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}CSzData; 3155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)static SRes SzReadByte(CSzData *sd, Byte *b) 3175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 3185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (sd->Size == 0) 3195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return SZ_ERROR_ARCHIVE; 3205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) sd->Size--; 3215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *b = *sd->Data++; 3225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return SZ_OK; 3235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)static SRes SzReadBytes(CSzData *sd, Byte *data, size_t size) 3265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 3275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t i; 3285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (i = 0; i < size; i++) 3295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 3305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzReadByte(sd, data + i)); 3315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return SZ_OK; 3335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)static SRes SzReadUInt32(CSzData *sd, UInt32 *value) 3365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 3375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int i; 3385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *value = 0; 3395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (i = 0; i < 4; i++) 3405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 3415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Byte b; 3425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzReadByte(sd, &b)); 3435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *value |= ((UInt32)(b) << (8 * i)); 3445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return SZ_OK; 3465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)static SRes SzReadNumber(CSzData *sd, UInt64 *value) 3495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 3505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Byte firstByte; 3515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Byte mask = 0x80; 3525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int i; 3535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzReadByte(sd, &firstByte)); 3545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *value = 0; 3555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (i = 0; i < 8; i++) 3565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 3575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Byte b; 3585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if ((firstByte & mask) == 0) 3595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 3605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt64 highPart = firstByte & (mask - 1); 3615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *value += (highPart << (8 * i)); 3625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return SZ_OK; 3635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzReadByte(sd, &b)); 3655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *value |= ((UInt64)b << (8 * i)); 3665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) mask >>= 1; 3675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return SZ_OK; 3695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)static SRes SzReadNumber32(CSzData *sd, UInt32 *value) 3725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 3735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt64 value64; 3745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzReadNumber(sd, &value64)); 3755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (value64 >= 0x80000000) 3765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return SZ_ERROR_UNSUPPORTED; 3775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (value64 >= ((UInt64)(1) << ((sizeof(size_t) - 1) * 8 + 2))) 3785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return SZ_ERROR_UNSUPPORTED; 3795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *value = (UInt32)value64; 3805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return SZ_OK; 3815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)static SRes SzReadID(CSzData *sd, UInt64 *value) 3845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 3855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return SzReadNumber(sd, value); 3865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)static SRes SzSkeepDataSize(CSzData *sd, UInt64 size) 3895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 3905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (size > sd->Size) 3915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return SZ_ERROR_ARCHIVE; 3925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) sd->Size -= (size_t)size; 3935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) sd->Data += (size_t)size; 3945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return SZ_OK; 3955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)static SRes SzSkeepData(CSzData *sd) 3985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 3995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt64 size; 4005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzReadNumber(sd, &size)); 4015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return SzSkeepDataSize(sd, size); 4025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)static SRes SzReadArchiveProperties(CSzData *sd) 4055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 4065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (;;) 4075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 4085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt64 type; 4095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzReadID(sd, &type)); 4105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (type == k7zIdEnd) 4115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 4125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SzSkeepData(sd); 4135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 4145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return SZ_OK; 4155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)static SRes SzWaitAttribute(CSzData *sd, UInt64 attribute) 4185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 4195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (;;) 4205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 4215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt64 type; 4225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzReadID(sd, &type)); 4235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (type == attribute) 4245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return SZ_OK; 4255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (type == k7zIdEnd) 4265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return SZ_ERROR_ARCHIVE; 4275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzSkeepData(sd)); 4285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 4295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)static SRes SzReadBoolVector(CSzData *sd, size_t numItems, Byte **v, ISzAlloc *alloc) 4325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 4335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Byte b = 0; 4345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Byte mask = 0; 4355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t i; 4365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MY_ALLOC(Byte, *v, numItems, alloc); 4375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (i = 0; i < numItems; i++) 4385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 4395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (mask == 0) 4405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 4415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzReadByte(sd, &b)); 4425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) mask = 0x80; 4435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 4445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) (*v)[i] = (Byte)(((b & mask) != 0) ? 1 : 0); 4455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) mask >>= 1; 4465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 4475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return SZ_OK; 4485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)static SRes SzReadBoolVector2(CSzData *sd, size_t numItems, Byte **v, ISzAlloc *alloc) 4515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 4525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Byte allAreDefined; 4535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t i; 4545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzReadByte(sd, &allAreDefined)); 4555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (allAreDefined == 0) 4565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return SzReadBoolVector(sd, numItems, v, alloc); 4575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MY_ALLOC(Byte, *v, numItems, alloc); 4585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (i = 0; i < numItems; i++) 4595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) (*v)[i] = 1; 4605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return SZ_OK; 4615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)static SRes SzReadHashDigests( 4645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CSzData *sd, 4655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t numItems, 4665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Byte **digestsDefined, 4675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt32 **digests, 4685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ISzAlloc *alloc) 4695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 4705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t i; 4715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzReadBoolVector2(sd, numItems, digestsDefined, alloc)); 4725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MY_ALLOC(UInt32, *digests, numItems, alloc); 4735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (i = 0; i < numItems; i++) 4745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if ((*digestsDefined)[i]) 4755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 4765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzReadUInt32(sd, (*digests) + i)); 4775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 4785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return SZ_OK; 4795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)static SRes SzReadPackInfo( 4825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CSzData *sd, 4835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt64 *dataOffset, 4845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt32 *numPackStreams, 4855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt64 **packSizes, 4865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Byte **packCRCsDefined, 4875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt32 **packCRCs, 4885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ISzAlloc *alloc) 4895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 4905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt32 i; 4915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzReadNumber(sd, dataOffset)); 4925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzReadNumber32(sd, numPackStreams)); 4935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzWaitAttribute(sd, k7zIdSize)); 4955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MY_ALLOC(UInt64, *packSizes, (size_t)*numPackStreams, alloc); 4975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (i = 0; i < *numPackStreams; i++) 4995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 5005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzReadNumber(sd, (*packSizes) + i)); 5015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (;;) 5045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 5055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt64 type; 5065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzReadID(sd, &type)); 5075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (type == k7zIdEnd) 5085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 5095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (type == k7zIdCRC) 5105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 5115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzReadHashDigests(sd, (size_t)*numPackStreams, packCRCsDefined, packCRCs, alloc)); 5125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) continue; 5135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzSkeepData(sd)); 5155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (*packCRCsDefined == 0) 5175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 5185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MY_ALLOC(Byte, *packCRCsDefined, (size_t)*numPackStreams, alloc); 5195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MY_ALLOC(UInt32, *packCRCs, (size_t)*numPackStreams, alloc); 5205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (i = 0; i < *numPackStreams; i++) 5215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 5225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) (*packCRCsDefined)[i] = 0; 5235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) (*packCRCs)[i] = 0; 5245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return SZ_OK; 5275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 5285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)static SRes SzReadSwitch(CSzData *sd) 5305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 5315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Byte external; 5325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzReadByte(sd, &external)); 5335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return (external == 0) ? SZ_OK: SZ_ERROR_UNSUPPORTED; 5345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 5355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)static SRes SzGetNextFolderItem(CSzData *sd, CSzFolder *folder, ISzAlloc *alloc) 5375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 5385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt32 numCoders, numBindPairs, numPackStreams, i; 5395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt32 numInStreams = 0, numOutStreams = 0; 5405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzReadNumber32(sd, &numCoders)); 5425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (numCoders > NUM_FOLDER_CODERS_MAX) 5435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return SZ_ERROR_UNSUPPORTED; 5445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) folder->NumCoders = numCoders; 5455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MY_ALLOC(CSzCoderInfo, folder->Coders, (size_t)numCoders, alloc); 5475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (i = 0; i < numCoders; i++) 5495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SzCoderInfo_Init(folder->Coders + i); 5505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (i = 0; i < numCoders; i++) 5525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 5535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Byte mainByte; 5545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CSzCoderInfo *coder = folder->Coders + i; 5555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 5565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) unsigned idSize, j; 5575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Byte longID[15]; 5585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzReadByte(sd, &mainByte)); 5595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) idSize = (unsigned)(mainByte & 0xF); 5605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzReadBytes(sd, longID, idSize)); 5615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (idSize > sizeof(coder->MethodID)) 5625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return SZ_ERROR_UNSUPPORTED; 5635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) coder->MethodID = 0; 5645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (j = 0; j < idSize; j++) 5655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) coder->MethodID |= (UInt64)longID[idSize - 1 - j] << (8 * j); 5665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if ((mainByte & 0x10) != 0) 5685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 5695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzReadNumber32(sd, &coder->NumInStreams)); 5705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzReadNumber32(sd, &coder->NumOutStreams)); 5715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (coder->NumInStreams > NUM_CODER_STREAMS_MAX || 5725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) coder->NumOutStreams > NUM_CODER_STREAMS_MAX) 5735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return SZ_ERROR_UNSUPPORTED; 5745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) else 5765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 5775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) coder->NumInStreams = 1; 5785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) coder->NumOutStreams = 1; 5795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if ((mainByte & 0x20) != 0) 5815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 5825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt64 propertiesSize = 0; 5835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzReadNumber(sd, &propertiesSize)); 5845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!Buf_Create(&coder->Props, (size_t)propertiesSize, alloc)) 5855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return SZ_ERROR_MEM; 5865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzReadBytes(sd, coder->Props.data, (size_t)propertiesSize)); 5875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) while ((mainByte & 0x80) != 0) 5905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 5915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzReadByte(sd, &mainByte)); 5925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzSkeepDataSize(sd, (mainByte & 0xF))); 5935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if ((mainByte & 0x10) != 0) 5945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 5955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt32 n; 5965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzReadNumber32(sd, &n)); 5975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzReadNumber32(sd, &n)); 5985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if ((mainByte & 0x20) != 0) 6005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 6015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt64 propertiesSize = 0; 6025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzReadNumber(sd, &propertiesSize)); 6035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzSkeepDataSize(sd, propertiesSize)); 6045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 6055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 6065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) numInStreams += coder->NumInStreams; 6075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) numOutStreams += coder->NumOutStreams; 6085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 6095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (numOutStreams == 0) 6115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return SZ_ERROR_UNSUPPORTED; 6125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) folder->NumBindPairs = numBindPairs = numOutStreams - 1; 6145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MY_ALLOC(CSzBindPair, folder->BindPairs, (size_t)numBindPairs, alloc); 6155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (i = 0; i < numBindPairs; i++) 6175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 6185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CSzBindPair *bp = folder->BindPairs + i; 6195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzReadNumber32(sd, &bp->InIndex)); 6205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzReadNumber32(sd, &bp->OutIndex)); 6215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 6225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (numInStreams < numBindPairs) 6245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return SZ_ERROR_UNSUPPORTED; 6255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) folder->NumPackStreams = numPackStreams = numInStreams - numBindPairs; 6275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MY_ALLOC(UInt32, folder->PackStreams, (size_t)numPackStreams, alloc); 6285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (numPackStreams == 1) 6305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 6315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (i = 0; i < numInStreams ; i++) 6325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (SzFolder_FindBindPairForInStream(folder, i) < 0) 6335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 6345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (i == numInStreams) 6355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return SZ_ERROR_UNSUPPORTED; 6365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) folder->PackStreams[0] = i; 6375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 6385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) else 6395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (i = 0; i < numPackStreams; i++) 6405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 6415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzReadNumber32(sd, folder->PackStreams + i)); 6425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 6435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return SZ_OK; 6445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 6455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)static SRes SzReadUnpackInfo( 6475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CSzData *sd, 6485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt32 *numFolders, 6495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CSzFolder **folders, /* for alloc */ 6505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ISzAlloc *alloc, 6515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ISzAlloc *allocTemp) 6525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 6535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt32 i; 6545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzWaitAttribute(sd, k7zIdFolder)); 6555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzReadNumber32(sd, numFolders)); 6565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 6575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzReadSwitch(sd)); 6585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MY_ALLOC(CSzFolder, *folders, (size_t)*numFolders, alloc); 6605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (i = 0; i < *numFolders; i++) 6625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SzFolder_Init((*folders) + i); 6635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (i = 0; i < *numFolders; i++) 6655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 6665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzGetNextFolderItem(sd, (*folders) + i, alloc)); 6675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 6685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 6695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzWaitAttribute(sd, k7zIdCodersUnpackSize)); 6715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (i = 0; i < *numFolders; i++) 6735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 6745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt32 j; 6755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CSzFolder *folder = (*folders) + i; 6765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt32 numOutStreams = SzFolder_GetNumOutStreams(folder); 6775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MY_ALLOC(UInt64, folder->UnpackSizes, (size_t)numOutStreams, alloc); 6795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (j = 0; j < numOutStreams; j++) 6815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 6825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzReadNumber(sd, folder->UnpackSizes + j)); 6835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 6845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 6855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (;;) 6875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 6885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt64 type; 6895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzReadID(sd, &type)); 6905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (type == k7zIdEnd) 6915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return SZ_OK; 6925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (type == k7zIdCRC) 6935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 6945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SRes res; 6955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Byte *crcsDefined = 0; 6965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt32 *crcs = 0; 6975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) res = SzReadHashDigests(sd, *numFolders, &crcsDefined, &crcs, allocTemp); 6985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (res == SZ_OK) 6995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 7005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (i = 0; i < *numFolders; i++) 7015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 7025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CSzFolder *folder = (*folders) + i; 7035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) folder->UnpackCRCDefined = crcsDefined[i]; 7045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) folder->UnpackCRC = crcs[i]; 7055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 7065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 7075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) IAlloc_Free(allocTemp, crcs); 7085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) IAlloc_Free(allocTemp, crcsDefined); 7095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(res); 7105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) continue; 7115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 7125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzSkeepData(sd)); 7135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 7145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 7155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)static SRes SzReadSubStreamsInfo( 7175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CSzData *sd, 7185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt32 numFolders, 7195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CSzFolder *folders, 7205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt32 *numUnpackStreams, 7215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt64 **unpackSizes, 7225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Byte **digestsDefined, 7235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt32 **digests, 7245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ISzAlloc *allocTemp) 7255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 7265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt64 type = 0; 7275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt32 i; 7285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt32 si = 0; 7295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt32 numDigests = 0; 7305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (i = 0; i < numFolders; i++) 7325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) folders[i].NumUnpackStreams = 1; 7335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *numUnpackStreams = numFolders; 7345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (;;) 7365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 7375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzReadID(sd, &type)); 7385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (type == k7zIdNumUnpackStream) 7395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 7405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *numUnpackStreams = 0; 7415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (i = 0; i < numFolders; i++) 7425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 7435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt32 numStreams; 7445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzReadNumber32(sd, &numStreams)); 7455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) folders[i].NumUnpackStreams = numStreams; 7465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *numUnpackStreams += numStreams; 7475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 7485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) continue; 7495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 7505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (type == k7zIdCRC || type == k7zIdSize) 7515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 7525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (type == k7zIdEnd) 7535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 7545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzSkeepData(sd)); 7555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 7565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (*numUnpackStreams == 0) 7585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 7595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *unpackSizes = 0; 7605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *digestsDefined = 0; 7615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *digests = 0; 7625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 7635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) else 7645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 7655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *unpackSizes = (UInt64 *)IAlloc_Alloc(allocTemp, (size_t)*numUnpackStreams * sizeof(UInt64)); 7665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOM(*unpackSizes); 7675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *digestsDefined = (Byte *)IAlloc_Alloc(allocTemp, (size_t)*numUnpackStreams * sizeof(Byte)); 7685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOM(*digestsDefined); 7695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *digests = (UInt32 *)IAlloc_Alloc(allocTemp, (size_t)*numUnpackStreams * sizeof(UInt32)); 7705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOM(*digests); 7715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 7725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (i = 0; i < numFolders; i++) 7745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 7755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) /* 7765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) v3.13 incorrectly worked with empty folders 7775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) v4.07: we check that folder is empty 7785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) */ 7795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt64 sum = 0; 7805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt32 j; 7815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt32 numSubstreams = folders[i].NumUnpackStreams; 7825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (numSubstreams == 0) 7835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) continue; 7845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (type == k7zIdSize) 7855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (j = 1; j < numSubstreams; j++) 7865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 7875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt64 size; 7885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzReadNumber(sd, &size)); 7895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) (*unpackSizes)[si++] = size; 7905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) sum += size; 7915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 7925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) (*unpackSizes)[si++] = SzFolder_GetUnpackSize(folders + i) - sum; 7935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 7945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (type == k7zIdSize) 7955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 7965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzReadID(sd, &type)); 7975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 7985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (i = 0; i < *numUnpackStreams; i++) 8005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 8015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) (*digestsDefined)[i] = 0; 8025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) (*digests)[i] = 0; 8035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 8045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (i = 0; i < numFolders; i++) 8075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 8085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt32 numSubstreams = folders[i].NumUnpackStreams; 8095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (numSubstreams != 1 || !folders[i].UnpackCRCDefined) 8105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) numDigests += numSubstreams; 8115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 8125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) si = 0; 8155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (;;) 8165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 8175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (type == k7zIdCRC) 8185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 8195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int digestIndex = 0; 8205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Byte *digestsDefined2 = 0; 8215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt32 *digests2 = 0; 8225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SRes res = SzReadHashDigests(sd, numDigests, &digestsDefined2, &digests2, allocTemp); 8235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (res == SZ_OK) 8245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 8255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (i = 0; i < numFolders; i++) 8265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 8275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CSzFolder *folder = folders + i; 8285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt32 numSubstreams = folder->NumUnpackStreams; 8295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (numSubstreams == 1 && folder->UnpackCRCDefined) 8305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 8315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) (*digestsDefined)[si] = 1; 8325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) (*digests)[si] = folder->UnpackCRC; 8335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) si++; 8345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 8355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) else 8365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 8375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt32 j; 8385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (j = 0; j < numSubstreams; j++, digestIndex++) 8395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 8405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) (*digestsDefined)[si] = digestsDefined2[digestIndex]; 8415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) (*digests)[si] = digests2[digestIndex]; 8425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) si++; 8435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 8445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 8455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 8465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 8475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) IAlloc_Free(allocTemp, digestsDefined2); 8485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) IAlloc_Free(allocTemp, digests2); 8495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(res); 8505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 8515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) else if (type == k7zIdEnd) 8525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return SZ_OK; 8535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) else 8545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 8555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzSkeepData(sd)); 8565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 8575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzReadID(sd, &type)); 8585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 8595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 8605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)static SRes SzReadStreamsInfo( 8635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CSzData *sd, 8645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt64 *dataOffset, 8655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CSzAr *p, 8665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt32 *numUnpackStreams, 8675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt64 **unpackSizes, /* allocTemp */ 8685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Byte **digestsDefined, /* allocTemp */ 8695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt32 **digests, /* allocTemp */ 8705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ISzAlloc *alloc, 8715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ISzAlloc *allocTemp) 8725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 8735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (;;) 8745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 8755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt64 type; 8765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzReadID(sd, &type)); 8775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if ((UInt64)(int)type != type) 8785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return SZ_ERROR_UNSUPPORTED; 8795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) switch((int)type) 8805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 8815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case k7zIdEnd: 8825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return SZ_OK; 8835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case k7zIdPackInfo: 8845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 8855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzReadPackInfo(sd, dataOffset, &p->NumPackStreams, 8865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) &p->PackSizes, &p->PackCRCsDefined, &p->PackCRCs, alloc)); 8875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 8885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 8895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case k7zIdUnpackInfo: 8905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 8915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzReadUnpackInfo(sd, &p->NumFolders, &p->Folders, alloc, allocTemp)); 8925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 8935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 8945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case k7zIdSubStreamsInfo: 8955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 8965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzReadSubStreamsInfo(sd, p->NumFolders, p->Folders, 8975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) numUnpackStreams, unpackSizes, digestsDefined, digests, allocTemp)); 8985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 8995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 9005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) default: 9015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return SZ_ERROR_UNSUPPORTED; 9025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 9035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 9045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 9055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 9065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)size_t SzArEx_GetFileNameUtf16(const CSzArEx *p, size_t fileIndex, UInt16 *dest) 9075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 9085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t len = p->FileNameOffsets[fileIndex + 1] - p->FileNameOffsets[fileIndex]; 9095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (dest != 0) 9105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 9115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t i; 9125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const Byte *src = p->FileNames.data + (p->FileNameOffsets[fileIndex] * 2); 9135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (i = 0; i < len; i++) 9145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) dest[i] = GetUi16(src + i * 2); 9155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 9165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return len; 9175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 9185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 9195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)static SRes SzReadFileNames(const Byte *p, size_t size, UInt32 numFiles, size_t *sizes) 9205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 9215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt32 i; 9225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t pos = 0; 9235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (i = 0; i < numFiles; i++) 9245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 9255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) sizes[i] = pos; 9265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (;;) 9275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 9285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (pos >= size) 9295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return SZ_ERROR_ARCHIVE; 9305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (p[pos * 2] == 0 && p[pos * 2 + 1] == 0) 9315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 9325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pos++; 9335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 9345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pos++; 9355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 9365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) sizes[i] = pos; 9375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return (pos == size) ? SZ_OK : SZ_ERROR_ARCHIVE; 9385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 9395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 9405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)static SRes SzReadHeader2( 9415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CSzArEx *p, /* allocMain */ 9425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CSzData *sd, 9435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt64 **unpackSizes, /* allocTemp */ 9445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Byte **digestsDefined, /* allocTemp */ 9455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt32 **digests, /* allocTemp */ 9465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Byte **emptyStreamVector, /* allocTemp */ 9475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Byte **emptyFileVector, /* allocTemp */ 9485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Byte **lwtVector, /* allocTemp */ 9495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ISzAlloc *allocMain, 9505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ISzAlloc *allocTemp) 9515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 9525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt64 type; 9535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt32 numUnpackStreams = 0; 9545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt32 numFiles = 0; 9555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CSzFileItem *files = 0; 9565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt32 numEmptyStreams = 0; 9575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt32 i; 9585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 9595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzReadID(sd, &type)); 9605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 9615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (type == k7zIdArchiveProperties) 9625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 9635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzReadArchiveProperties(sd)); 9645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzReadID(sd, &type)); 9655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 9665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 9675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 9685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (type == k7zIdMainStreamsInfo) 9695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 9705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzReadStreamsInfo(sd, 9715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) &p->dataPos, 9725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) &p->db, 9735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) &numUnpackStreams, 9745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) unpackSizes, 9755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) digestsDefined, 9765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) digests, allocMain, allocTemp)); 9775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) p->dataPos += p->startPosAfterHeader; 9785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzReadID(sd, &type)); 9795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 9805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 9815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (type == k7zIdEnd) 9825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return SZ_OK; 9835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (type != k7zIdFilesInfo) 9845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return SZ_ERROR_ARCHIVE; 9855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 9865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzReadNumber32(sd, &numFiles)); 9875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) p->db.NumFiles = numFiles; 9885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 9895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MY_ALLOC(CSzFileItem, files, (size_t)numFiles, allocMain); 9905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 9915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) p->db.Files = files; 9925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (i = 0; i < numFiles; i++) 9935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SzFile_Init(files + i); 9945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 9955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (;;) 9965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 9975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt64 type; 9985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt64 size; 9995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzReadID(sd, &type)); 10005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (type == k7zIdEnd) 10015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 10025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzReadNumber(sd, &size)); 10035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (size > sd->Size) 10045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return SZ_ERROR_ARCHIVE; 10055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if ((UInt64)(int)type != type) 10065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 10075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzSkeepDataSize(sd, size)); 10085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 10095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) else 10105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) switch((int)type) 10115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 10125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case k7zIdName: 10135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 10145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t namesSize; 10155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzReadSwitch(sd)); 10165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) namesSize = (size_t)size - 1; 10175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if ((namesSize & 1) != 0) 10185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return SZ_ERROR_ARCHIVE; 10195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!Buf_Create(&p->FileNames, namesSize, allocMain)) 10205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return SZ_ERROR_MEM; 10215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MY_ALLOC(size_t, p->FileNameOffsets, numFiles + 1, allocMain); 10225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) memcpy(p->FileNames.data, sd->Data, namesSize); 10235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzReadFileNames(sd->Data, namesSize >> 1, numFiles, p->FileNameOffsets)) 10245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzSkeepDataSize(sd, namesSize)); 10255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 10265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 10275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case k7zIdEmptyStream: 10285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 10295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzReadBoolVector(sd, numFiles, emptyStreamVector, allocTemp)); 10305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) numEmptyStreams = 0; 10315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (i = 0; i < numFiles; i++) 10325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if ((*emptyStreamVector)[i]) 10335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) numEmptyStreams++; 10345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 10355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 10365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case k7zIdEmptyFile: 10375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 10385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzReadBoolVector(sd, numEmptyStreams, emptyFileVector, allocTemp)); 10395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 10405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 10415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case k7zIdWinAttributes: 10425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 10435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzReadBoolVector2(sd, numFiles, lwtVector, allocTemp)); 10445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzReadSwitch(sd)); 10455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (i = 0; i < numFiles; i++) 10465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 10475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CSzFileItem *f = &files[i]; 10485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Byte defined = (*lwtVector)[i]; 10495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) f->AttribDefined = defined; 10505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) f->Attrib = 0; 10515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (defined) 10525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 10535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzReadUInt32(sd, &f->Attrib)); 10545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 10555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 10565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) IAlloc_Free(allocTemp, *lwtVector); 10575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *lwtVector = NULL; 10585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 10595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 10605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case k7zIdMTime: 10615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 10625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzReadBoolVector2(sd, numFiles, lwtVector, allocTemp)); 10635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzReadSwitch(sd)); 10645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (i = 0; i < numFiles; i++) 10655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 10665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CSzFileItem *f = &files[i]; 10675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Byte defined = (*lwtVector)[i]; 10685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) f->MTimeDefined = defined; 10695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) f->MTime.Low = f->MTime.High = 0; 10705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (defined) 10715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 10725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzReadUInt32(sd, &f->MTime.Low)); 10735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzReadUInt32(sd, &f->MTime.High)); 10745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 10755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 10765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) IAlloc_Free(allocTemp, *lwtVector); 10775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *lwtVector = NULL; 10785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 10795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 10805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) default: 10815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 10825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzSkeepDataSize(sd, size)); 10835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 10845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 10855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 10865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 10875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 10885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt32 emptyFileIndex = 0; 10895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt32 sizeIndex = 0; 10905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (i = 0; i < numFiles; i++) 10915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 10925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CSzFileItem *file = files + i; 10935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) file->IsAnti = 0; 10945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (*emptyStreamVector == 0) 10955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) file->HasStream = 1; 10965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) else 10975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) file->HasStream = (Byte)((*emptyStreamVector)[i] ? 0 : 1); 10985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (file->HasStream) 10995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 11005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) file->IsDir = 0; 11015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) file->Size = (*unpackSizes)[sizeIndex]; 11025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) file->Crc = (*digests)[sizeIndex]; 11035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) file->CrcDefined = (Byte)(*digestsDefined)[sizeIndex]; 11045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) sizeIndex++; 11055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 11065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) else 11075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 11085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (*emptyFileVector == 0) 11095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) file->IsDir = 1; 11105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) else 11115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) file->IsDir = (Byte)((*emptyFileVector)[emptyFileIndex] ? 0 : 1); 11125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) emptyFileIndex++; 11135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) file->Size = 0; 11145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) file->Crc = 0; 11155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) file->CrcDefined = 0; 11165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 11175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 11185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 11195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return SzArEx_Fill(p, allocMain); 11205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 11215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 11225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)static SRes SzReadHeader( 11235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CSzArEx *p, 11245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CSzData *sd, 11255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ISzAlloc *allocMain, 11265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ISzAlloc *allocTemp) 11275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 11285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt64 *unpackSizes = 0; 11295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Byte *digestsDefined = 0; 11305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt32 *digests = 0; 11315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Byte *emptyStreamVector = 0; 11325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Byte *emptyFileVector = 0; 11335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Byte *lwtVector = 0; 11345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SRes res = SzReadHeader2(p, sd, 11355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) &unpackSizes, &digestsDefined, &digests, 11365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) &emptyStreamVector, &emptyFileVector, &lwtVector, 11375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) allocMain, allocTemp); 11385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) IAlloc_Free(allocTemp, unpackSizes); 11395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) IAlloc_Free(allocTemp, digestsDefined); 11405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) IAlloc_Free(allocTemp, digests); 11415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) IAlloc_Free(allocTemp, emptyStreamVector); 11425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) IAlloc_Free(allocTemp, emptyFileVector); 11435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) IAlloc_Free(allocTemp, lwtVector); 11445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return res; 11455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 11465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 11475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)static SRes SzReadAndDecodePackedStreams2( 11485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ILookInStream *inStream, 11495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CSzData *sd, 11505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CBuf *outBuffer, 11515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt64 baseOffset, 11525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CSzAr *p, 11535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt64 **unpackSizes, 11545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Byte **digestsDefined, 11555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt32 **digests, 11565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ISzAlloc *allocTemp) 11575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 11585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 11595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt32 numUnpackStreams = 0; 11605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt64 dataStartPos; 11615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CSzFolder *folder; 11625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt64 unpackSize; 11635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SRes res; 11645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 11655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(SzReadStreamsInfo(sd, &dataStartPos, p, 11665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) &numUnpackStreams, unpackSizes, digestsDefined, digests, 11675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) allocTemp, allocTemp)); 11685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 11695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) dataStartPos += baseOffset; 11705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (p->NumFolders != 1) 11715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return SZ_ERROR_ARCHIVE; 11725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 11735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) folder = p->Folders; 11745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) unpackSize = SzFolder_GetUnpackSize(folder); 11755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 11765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(LookInStream_SeekTo(inStream, dataStartPos)); 11775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 11785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!Buf_Create(outBuffer, (size_t)unpackSize, allocTemp)) 11795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return SZ_ERROR_MEM; 11805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 11815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) res = SzFolder_Decode(folder, p->PackSizes, 11825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) inStream, dataStartPos, 11835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) outBuffer->data, (size_t)unpackSize, allocTemp); 11845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(res); 11855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (folder->UnpackCRCDefined) 11865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (CrcCalc(outBuffer->data, (size_t)unpackSize) != folder->UnpackCRC) 11875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return SZ_ERROR_CRC; 11885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return SZ_OK; 11895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 11905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 11915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)static SRes SzReadAndDecodePackedStreams( 11925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ILookInStream *inStream, 11935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CSzData *sd, 11945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CBuf *outBuffer, 11955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt64 baseOffset, 11965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ISzAlloc *allocTemp) 11975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 11985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CSzAr p; 11995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt64 *unpackSizes = 0; 12005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Byte *digestsDefined = 0; 12015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt32 *digests = 0; 12025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SRes res; 12035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SzAr_Init(&p); 12045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) res = SzReadAndDecodePackedStreams2(inStream, sd, outBuffer, baseOffset, 12055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) &p, &unpackSizes, &digestsDefined, &digests, 12065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) allocTemp); 12075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SzAr_Free(&p, allocTemp); 12085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) IAlloc_Free(allocTemp, unpackSizes); 12095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) IAlloc_Free(allocTemp, digestsDefined); 12105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) IAlloc_Free(allocTemp, digests); 12115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return res; 12125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 12135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 12145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)static SRes SzArEx_Open2( 12155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CSzArEx *p, 12165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ILookInStream *inStream, 12175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ISzAlloc *allocMain, 12185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ISzAlloc *allocTemp) 12195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 12205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Byte header[k7zStartHeaderSize]; 12215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Int64 startArcPos; 12225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt64 nextHeaderOffset, nextHeaderSize; 12235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t nextHeaderSizeT; 12245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt32 nextHeaderCRC; 12255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CBuf buffer; 12265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SRes res; 12275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 12285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) startArcPos = 0; 12295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(inStream->Seek(inStream, &startArcPos, SZ_SEEK_CUR)); 12305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 12315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(LookInStream_Read2(inStream, header, k7zStartHeaderSize, SZ_ERROR_NO_ARCHIVE)); 12325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 12335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!TestSignatureCandidate(header)) 12345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return SZ_ERROR_NO_ARCHIVE; 12355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (header[6] != k7zMajorVersion) 12365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return SZ_ERROR_UNSUPPORTED; 12375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 12385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) nextHeaderOffset = GetUi64(header + 12); 12395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) nextHeaderSize = GetUi64(header + 20); 12405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) nextHeaderCRC = GetUi32(header + 28); 12415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 12425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) p->startPosAfterHeader = startArcPos + k7zStartHeaderSize; 12435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 12445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (CrcCalc(header + 12, 20) != GetUi32(header + 8)) 12455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return SZ_ERROR_CRC; 12465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 12475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) nextHeaderSizeT = (size_t)nextHeaderSize; 12485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (nextHeaderSizeT != nextHeaderSize) 12495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return SZ_ERROR_MEM; 12505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (nextHeaderSizeT == 0) 12515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return SZ_OK; 12525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (nextHeaderOffset > nextHeaderOffset + nextHeaderSize || 12535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) nextHeaderOffset > nextHeaderOffset + nextHeaderSize + k7zStartHeaderSize) 12545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return SZ_ERROR_NO_ARCHIVE; 12555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 12565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 12575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Int64 pos = 0; 12585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(inStream->Seek(inStream, &pos, SZ_SEEK_END)); 12595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if ((UInt64)pos < startArcPos + nextHeaderOffset || 12605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) (UInt64)pos < startArcPos + k7zStartHeaderSize + nextHeaderOffset || 12615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) (UInt64)pos < startArcPos + k7zStartHeaderSize + nextHeaderOffset + nextHeaderSize) 12625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return SZ_ERROR_INPUT_EOF; 12635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 12645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 12655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(LookInStream_SeekTo(inStream, startArcPos + k7zStartHeaderSize + nextHeaderOffset)); 12665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 12675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!Buf_Create(&buffer, nextHeaderSizeT, allocTemp)) 12685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return SZ_ERROR_MEM; 12695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 12705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) res = LookInStream_Read(inStream, buffer.data, nextHeaderSizeT); 12715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (res == SZ_OK) 12725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 12735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) res = SZ_ERROR_ARCHIVE; 12745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (CrcCalc(buffer.data, nextHeaderSizeT) == nextHeaderCRC) 12755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 12765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CSzData sd; 12775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt64 type; 12785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) sd.Data = buffer.data; 12795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) sd.Size = buffer.size; 12805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) res = SzReadID(&sd, &type); 12815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (res == SZ_OK) 12825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 12835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (type == k7zIdEncodedHeader) 12845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 12855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CBuf outBuffer; 12865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Buf_Init(&outBuffer); 12875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) res = SzReadAndDecodePackedStreams(inStream, &sd, &outBuffer, p->startPosAfterHeader, allocTemp); 12885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (res != SZ_OK) 12895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Buf_Free(&outBuffer, allocTemp); 12905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) else 12915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 12925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Buf_Free(&buffer, allocTemp); 12935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) buffer.data = outBuffer.data; 12945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) buffer.size = outBuffer.size; 12955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) sd.Data = buffer.data; 12965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) sd.Size = buffer.size; 12975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) res = SzReadID(&sd, &type); 12985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 12995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 13005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 13015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (res == SZ_OK) 13025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 13035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (type == k7zIdHeader) 13045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) res = SzReadHeader(p, &sd, allocMain, allocTemp); 13055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) else 13065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) res = SZ_ERROR_UNSUPPORTED; 13075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 13085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 13095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 13105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Buf_Free(&buffer, allocTemp); 13115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return res; 13125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 13135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 13145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)SRes SzArEx_Open(CSzArEx *p, ILookInStream *inStream, ISzAlloc *allocMain, ISzAlloc *allocTemp) 13155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 13165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SRes res = SzArEx_Open2(p, inStream, allocMain, allocTemp); 13175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (res != SZ_OK) 13185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SzArEx_Free(p, allocMain); 13195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return res; 13205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 13215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 13225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)SRes SzArEx_Extract( 13235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const CSzArEx *p, 13245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ILookInStream *inStream, 13255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt32 fileIndex, 13265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt32 *blockIndex, 13275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Byte **outBuffer, 13285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t *outBufferSize, 13295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t *offset, 13305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t *outSizeProcessed, 13315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ISzAlloc *allocMain, 13325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ISzAlloc *allocTemp) 13335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles){ 13345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt32 folderIndex = p->FileIndexToFolderIndexMap[fileIndex]; 13355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SRes res = SZ_OK; 13365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *offset = 0; 13375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *outSizeProcessed = 0; 13385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (folderIndex == (UInt32)-1) 13395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 13405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) IAlloc_Free(allocMain, *outBuffer); 13415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *blockIndex = folderIndex; 13425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *outBuffer = 0; 13435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *outBufferSize = 0; 13445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return SZ_OK; 13455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 13465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 13475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (*outBuffer == 0 || *blockIndex != folderIndex) 13485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 13495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CSzFolder *folder = p->db.Folders + folderIndex; 13505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt64 unpackSizeSpec = SzFolder_GetUnpackSize(folder); 13515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t unpackSize = (size_t)unpackSizeSpec; 13525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt64 startOffset = SzArEx_GetFolderStreamPos(p, folderIndex, 0); 13535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 13545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (unpackSize != unpackSizeSpec) 13555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return SZ_ERROR_MEM; 13565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *blockIndex = folderIndex; 13575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) IAlloc_Free(allocMain, *outBuffer); 13585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *outBuffer = 0; 13595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 13605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RINOK(LookInStream_SeekTo(inStream, startOffset)); 13615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 13625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (res == SZ_OK) 13635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 13645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *outBufferSize = unpackSize; 13655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (unpackSize != 0) 13665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 13675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *outBuffer = (Byte *)IAlloc_Alloc(allocMain, unpackSize); 13685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (*outBuffer == 0) 13695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) res = SZ_ERROR_MEM; 13705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 13715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (res == SZ_OK) 13725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 13735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) res = SzFolder_Decode(folder, 13745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) p->db.PackSizes + p->FolderStartPackStreamIndex[folderIndex], 13755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) inStream, startOffset, 13765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *outBuffer, unpackSize, allocTemp); 13775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (res == SZ_OK) 13785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 13795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (folder->UnpackCRCDefined) 13805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 13815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (CrcCalc(*outBuffer, unpackSize) != folder->UnpackCRC) 13825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) res = SZ_ERROR_CRC; 13835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 13845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 13855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 13865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 13875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 13885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (res == SZ_OK) 13895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) { 13905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UInt32 i; 13915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CSzFileItem *fileItem = p->db.Files + fileIndex; 13925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *offset = 0; 13935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (i = p->FolderStartFileIndex[folderIndex]; i < fileIndex; i++) 13945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *offset += (UInt32)p->db.Files[i].Size; 13955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *outSizeProcessed = (size_t)fileItem->Size; 13965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (*offset + *outSizeProcessed > *outBufferSize) 13975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return SZ_ERROR_FAIL; 13985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (fileItem->CrcDefined && CrcCalc(*outBuffer + *offset, *outSizeProcessed) != fileItem->Crc) 13995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) res = SZ_ERROR_CRC; 14005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 14015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return res; 14025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1403