CrossFire VN Rez Extractor

RezExtractor.cpp

#include <iostream>
#include <fstream>
#include <algorithm>
#include <experimental/filesystem>
#include <cstdlib>

using namespace std;

typedef unsigned int DWORD;
typedef unsigned char BYTE;

#define RezMgrUserTitleSize     60

#pragma pack(1)

struct RezHeader {
  char CR1;
  char LF1;
  char FileType[RezMgrUserTitleSize];
  char CR2;
  char LF2;
  char UserTitle[RezMgrUserTitleSize];
  char CR3;
  char LF3;
  char EOF1;
  DWORD FileFormatVersion; 	// the file format version number only 1 is possible here right now
  DWORD RootDirPos; 		// Position of the root directory structure in the file
  DWORD RootDirSize;        // Size of root directory
  DWORD RootDirTime;        // Time Root dir was last updated
  DWORD NextWritePos;       // Position of first directory in the file
  DWORD Time; 				// Time resource file was last updated
  DWORD LargestKeyAry;		// Size of the largest key array in the resource file
  DWORD LargestDirNameSize; // Size of the largest directory name in the resource file (including 0 terminator)
  DWORD LargestRezNameSize;	// Size of the largest resource name in the resource file (including 0 terminator)
  DWORD LargestCommentSize;	// Size of the largest comment in the resource file (including 0 terminator)
  BYTE  IsSorted;           // If 0 then data is not sorted if 1 then it is sorted
};

unsigned char KEY[] =
{
  0xF0, 0xF0, 0x9D, 0x09, 0x0A, 0x66, 0xAD, 0x6A, 0x85, 0x1D, 
  0xFD, 0x3F, 0x51, 0x23, 0xE7, 0xF3, 0xB1, 0x0E, 0x78, 0xEC, 
  0xD1, 0x50, 0x7B, 0x6B, 0x17, 0x3F, 0x61, 0xC5, 0x79, 0x0C, 
  0x57, 0x32, 0x1A, 0xF3, 0xB8, 0x6B, 0x68, 0xDE, 0x2A, 0x5F, 
  0x01, 0xBA, 0x98, 0x3A, 0x99, 0xC0, 0x54, 0x02, 0x24, 0xF7, 
  0x9B, 0x09, 0x87, 0x23, 0xC4, 0x6F, 0x0E, 0x6C, 0x44, 0xFA, 
  0xDB, 0xFB, 0xE8, 0x85, 0xAB, 0xC2, 0x65, 0x3C, 0x0E, 0xC4, 
  0x93, 0xF6, 0x6D, 0x0B, 0x8A, 0xD6, 0x11, 0x8D, 0xE3, 0x8F, 
  0x71, 0x52, 0x5D, 0x6E, 0xFC, 0xFD, 0x29, 0x82, 0xB0, 0x1D, 
  0x13, 0x11, 0xAE, 0x5C, 0xD5, 0xA9, 0x1B, 0xF8, 0xCE, 0xFC, 
  0x79, 0x9C, 0x5A, 0xD6, 0xCE, 0xFD, 0x0C, 0x64, 0xCA, 0x60, 
  0x16, 0x12, 0x31, 0x5B, 0x08, 0x3A, 0xCF, 0x04, 0x3E, 0xEA, 
  0x23, 0xDC, 0x28, 0xFA, 0x20, 0xA5, 0xC0, 0xB8, 0x21, 0x73, 
  0x5E, 0x6C, 0x6A, 0x2B, 0x31, 0xE9, 0x6D, 0xBD, 0x9A, 0x73, 
  0x11, 0x4C, 0xB1, 0x43, 0x3A, 0x8E, 0x28, 0xCE, 0xDC, 0x9B, 
  0xD4, 0x31, 0xCF, 0x77, 0x1D, 0xE4, 0x9F, 0x8A, 0x8B, 0x0A, 
  0xB2, 0x4E, 0xC0, 0x8D, 0xDD, 0x74, 0x0B, 0x56, 0xCF, 0xB7, 
  0xEE, 0xD5, 0x74, 0xA7, 0xB5, 0x1B, 0xA1, 0xA9, 0x85, 0xCB, 
  0x45, 0x68, 0xFF, 0x1F, 0x59, 0xFB, 0xCD, 0x42, 0xDA, 0xFF, 
  0x59, 0x37, 0x05, 0xE7, 0xDC, 0x9E, 0x12, 0xBD, 0x1B, 0x87, 
  0xBB, 0x97, 0x02, 0x9A, 0xC2, 0x04, 0x66, 0xD3, 0xBE, 0xA7, 
  0x2C, 0x11, 0x66, 0x4E, 0x10, 0xBD, 0xA8, 0xB3, 0x54, 0xC2, 
  0xC0, 0x39, 0x8D, 0x17, 0x91, 0xDA, 0xE0, 0x21, 0x86, 0x8A, 
  0xD3, 0x24, 0x37, 0x4A, 0x10, 0x13, 0x0A, 0x38, 0x45, 0xE2, 
  0x26, 0xC6, 0x66, 0xC0, 0xDE, 0x73, 0x9B, 0x53, 0xE2, 0x2D, 
  0x0A, 0x57, 0x7E, 0xAC, 0xC9, 0xC4, 0x0C, 0x04, 0x33, 0xD5, 
  0xFA, 0x9F, 0xE5, 0x15, 0x8A, 0xFD, 0x95, 0xCF, 0x9A, 0x57, 
  0x16, 0x02, 0xB2, 0x81, 0xBE, 0x39, 0x8C, 0x3A, 0x72, 0x6A, 
  0x6F, 0x34, 0x8A, 0x2F, 0x84, 0x0E, 0xEE, 0x96, 0x6D, 0x80, 
  0x83, 0xBC, 0x6A, 0x02, 0x45, 0x84, 0x3A, 0x1C, 0x49, 0xA0, 
  0x01, 0xB7, 0xDA, 0x2C, 0x76, 0x96, 0xFF, 0x1D, 0x8E, 0x49, 
  0xA7, 0xCA, 0xF5, 0xD6, 0xB0, 0xBD, 0x7F, 0x51, 0x21, 0x25, 
  0xEA, 0xAC, 0xB7, 0x15, 0x16, 0xF6, 0x24, 0xD7, 0x0E, 0x54, 
  0x27, 0x96, 0x0D, 0xEC, 0xD4, 0x96, 0xC9, 0x00, 0x33, 0x4D, 
  0x43, 0x83, 0x8C, 0x7B, 0x59, 0x5E, 0x96, 0xAF, 0x5F, 0xAC, 
  0xC3, 0x4A, 0xF9, 0x23, 0xFC, 0x62, 0x7B, 0xFF, 0xF5, 0xB9, 
  0x0C, 0x91, 0x6A, 0x01, 0xCD, 0xC9, 0x87, 0xBB, 0x43, 0xFC, 
  0xA4, 0xE7, 0x49, 0x0D, 0xB5, 0xC7, 0xC3, 0x5A, 0x95, 0xF7, 
  0x52, 0x91, 0x78, 0x1D, 0x52, 0xC4, 0xBC, 0x63, 0x5A, 0xE4, 
  0x6A, 0x11, 0x7B, 0xFF, 0x8D, 0x72, 0x8E, 0x64, 0xB5, 0x53, 
  0xB8, 0x07, 0xDD, 0x4E, 0x7F, 0x4D, 0xF4, 0x35, 0x99, 0x96, 
  0x4A, 0xC6, 0xC6, 0xB7, 0x20, 0xF6, 0xEB, 0xA9, 0xA1, 0x18, 
  0xAF, 0xA7, 0x77, 0x07, 0xE2, 0x0B, 0x49, 0xBA, 0xE1, 0x12, 
  0x60, 0x55, 0x41, 0xDD, 0xA8, 0x21, 0x03, 0xE5, 0x5B, 0x8F, 
  0x81, 0x1E, 0x8D, 0x8B, 0x6A, 0x11, 0xE0, 0x6F, 0xF9, 0x2F, 
  0x96, 0xC1, 0xBA, 0x8E, 0x4D, 0x06, 0x06, 0x62, 0x9A, 0xE8, 
  0x92, 0x66, 0xCC, 0xFB, 0x34, 0x7B, 0x11, 0x42, 0x34, 0xBC, 
  0x3D, 0xDC, 0x63, 0x3E, 0x7A, 0xF7, 0x2C, 0xD4, 0x19, 0x60, 
  0xF5, 0xF3, 0xC5, 0xE1, 0xF9, 0x1D, 0x5F, 0xB4, 0xEF, 0xEF, 
  0xBA, 0x4E, 0xB1, 0x35, 0x7B, 0xBD, 0x26, 0x1D, 0x61, 0xD0, 
  0xB0, 0xF4, 0x2C, 0x65, 0x64, 0x84, 0x6B, 0xFB, 0x3C, 0x74, 
  0x6D, 0xE1, 0x93, 0xD2, 0x98, 0x36, 0x2A, 0x18, 0x5F, 0xFA, 
  0xE2, 0xE1, 0x23, 0x7C, 0x8C, 0x93, 0x2E, 0x53, 0xEE, 0x40, 
  0x23, 0x2C, 0x56, 0xF3, 0xFB, 0xB3, 0xEC, 0xBC, 0xFA, 0xC7, 
  0x06, 0xA6, 0xC0, 0x4B, 0xCC, 0xE8, 0xBB, 0xC1, 0x4C, 0x84, 
  0x41, 0x01, 0x67, 0xA2, 0x8F, 0x43, 0xB2, 0xD6, 0xEA, 0xB6, 
  0xA4, 0xA0, 0x21, 0xF7, 0x45, 0x5E, 0xBC, 0x8E, 0x9F, 0xF2, 
  0x03, 0xCC, 0x3B, 0x5F, 0x35, 0x36, 0xD4, 0x91, 0x18, 0xC3, 
  0x9E, 0xA6, 0x36, 0x32, 0x44, 0xE0, 0xFA, 0xB2, 0xF1, 0x91, 
  0xEF, 0x1F, 0x9D, 0x39, 0x66, 0x10, 0xDA, 0x18, 0xC2, 0xFE, 
  0x66, 0x73, 0x9F, 0xBA, 0xC8, 0xD2, 0x2C, 0x7B, 0x23, 0x6A, 
  0xD9, 0xBD, 0x9E, 0x02, 0xB2, 0x35, 0x7E, 0x87, 0x9E, 0x1B, 
  0x58, 0x9A, 0xC1, 0x06, 0x70, 0x49, 0x3D, 0x9A, 0xB4, 0x46, 
  0x9F, 0x4D, 0x67, 0xCB, 0x2A, 0x82, 0xDC, 0x75, 0x4A, 0x32, 
  0x70, 0x50, 0x68, 0x6E, 0x0A, 0x5C, 0x65, 0xF2, 0x5E, 0xC4, 
  0xF6, 0x0E, 0x34, 0x04, 0x23, 0x24, 0xF3, 0x4B, 0x30, 0xF3, 
  0xB2, 0x4E, 0x26, 0x02, 0x07, 0xC8, 0x3D, 0x54, 0xE5, 0xFB, 
  0x6F, 0xB4, 0xB0, 0x5E, 0x71, 0xD8, 0xE1, 0xB9, 0x44, 0x92, 
  0x69, 0x02, 0xBB, 0x5C, 0x16, 0x24, 0x16, 0x70, 0x3E, 0xFD, 
  0x09, 0xBD, 0xF2, 0xD2, 0x69, 0xE7, 0xEE, 0x74, 0xB3, 0xA1, 
  0x92, 0x5A, 0xC0, 0x99, 0x1A, 0xF2, 0xDD, 0x3A, 0x62, 0x5E, 
  0x81, 0x7D, 0x66, 0xF0, 0xE9, 0x14, 0xCA, 0x8F, 0xDD, 0x24, 
  0xA6, 0x5A, 0xD4, 0xD8, 0xD3, 0xB8, 0xBB, 0x03, 0x03, 0x1D, 
  0xA6, 0x19, 0xD1, 0xC6, 0x9E, 0xBA, 0x25, 0xA8, 0xD8, 0x16, 
  0x0B, 0xCF, 0x8D, 0x5C, 0x5B, 0x78, 0xB9, 0x88, 0x60, 0x19, 
  0xFB, 0xB8, 0xC1, 0xA0, 0xD9, 0x65, 0xF3, 0x24, 0xAF, 0x9F, 
  0x6A, 0x4F, 0x72, 0xAC, 0xD2, 0xB3, 0xAC, 0x2F, 0x87, 0x5C, 
  0xCB, 0x2B, 0x9A, 0xD0, 0x1C, 0x18, 0x8F, 0xC7, 0xA7, 0x47, 
  0x26, 0xD6, 0x32, 0xE5, 0x68, 0x4A, 0xA5, 0xC4, 0x31, 0x7C, 
  0x16, 0x44, 0x8C, 0xD8, 0xB0, 0x8C, 0x01, 0xD6, 0xCD, 0x51, 
  0x37, 0x2B, 0x62, 0x7B, 0x0F, 0x66, 0x20, 0xD8, 0x88, 0x4B, 
  0x6C, 0x23, 0xAB, 0x1C, 0x84, 0xA2, 0xAF, 0x15, 0x01, 0x95, 
  0xAC, 0x62, 0x03, 0xBB, 0x0F, 0xC2, 0x3C, 0x29, 0x0F, 0x24, 
  0x22, 0xB9, 0x6B, 0x72, 0x86, 0x46, 0xA6, 0xD6, 0xCB, 0x06, 
  0x0E, 0xB0, 0x04, 0x2C, 0xBD, 0x7E, 0x35, 0x29, 0xED, 0xFE, 
  0xF9, 0xB9, 0xC1, 0xBC, 0xC9, 0x0A, 0xD8, 0x5B, 0x2F, 0x33, 
  0xE9, 0xD0, 0x0F, 0x3E, 0x9A, 0xCC, 0x63, 0x0C, 0xE0, 0xA3, 
  0x91, 0x4A, 0x25, 0xE1, 0xA9, 0xB3, 0x6B, 0xD2, 0xC6, 0xF2, 
  0xBA, 0x41, 0xD5, 0x51, 0x0F, 0xAE, 0xFB, 0x7C, 0x0F, 0x30, 
  0xE4, 0x9A, 0xBE, 0x50, 0x36, 0xF9, 0x7A, 0x17, 0x62, 0x8E, 
  0x7B, 0x94, 0x23, 0x8C, 0x15, 0x0C, 0xD5, 0x48, 0x02, 0x2B, 
  0xFB, 0xB6, 0xEB, 0x5B, 0x22, 0xBE, 0x75, 0x9E, 0x6A, 0x99, 
  0x1A, 0x0D, 0xF6, 0x90, 0xFC, 0x57, 0x79, 0x43, 0x01, 0x6F, 
  0x2F, 0xCD, 0x74, 0xAB, 0x74, 0xF5, 0x65, 0x9D, 0x43, 0xBB, 
  0x13, 0xDE, 0xD5, 0x6D, 0x97, 0x08, 0xA9, 0x9E, 0x11, 0x2E, 
  0x2A, 0x29, 0xA0, 0xFD, 0x3F, 0x84, 0x52, 0xDB, 0xFB, 0xB4, 
  0x67, 0x30, 0xB3, 0x08, 0x0B, 0x2D, 0xB7, 0xEE, 0xDA, 0x41, 
  0xED, 0x1C, 0x6A, 0x7F, 0x98, 0x4F, 0x14, 0x45, 0x75, 0xD4, 
  0x42, 0x44, 0x8C, 0x34, 0x86, 0x4F, 0xD9, 0x28, 0xAF, 0x10, 
  0x1E, 0x25, 0x22, 0xF7, 0x1A, 0xC0, 0xBE, 0xA0, 0x5D, 0x1E, 
  0x7C, 0xE3, 0x0F, 0xBE, 0x17, 0xE4, 0xC5, 0xD5, 0xF9, 0x4D, 
  0xD0, 0x7F, 0xA7
};

enum RezEntryType {
  FileEntry = 0,
  DirectoryEntry = 1
};

struct RezDirectoryHeader {
  DWORD Pos;
  DWORD Size;
  DWORD Time;
  DWORD NameLen;
};

struct RezFileHeader {
  DWORD Pos;
  DWORD Size;
  DWORD Time;
  DWORD ID;
  DWORD Type;
  DWORD NumKeys;
  DWORD NameLen;
};

#pragma pack()

void decrypt(char *buf, int size, int keyPos) {
  for (int i = 0; i < size; ++i) {
    buf[i] = 0x49 + (KEY[keyPos++ % sizeof(KEY)] ^ ~buf[i]);
  }
}

void extractFile(ifstream &f, string path, int pos, int size) {
  f.seekg(pos, ios::beg);
  ofstream o("tmp.xz", ios::out | ios::binary);
  char *buf = new char[size];
  f.read(buf, size);
  o.write(buf, size);
  delete[] buf;
  o.close();
  system((string("lzcat tmp.xz > \"") + path + "\"").c_str());
}

void recursiveTravelDirectory(ifstream &f, string dirPrefix, int pos, int size) {
  if (dirPrefix.size() > 0) {
    experimental::filesystem::create_directory(dirPrefix);
  }

  f.seekg(pos, ios::beg);
  char *buf = new char[size];
  f.read(buf, size);
  decrypt(buf, size, pos);
  char *cur = buf, *end = cur + size;

  while (cur < end) {
    int type = *(int *)cur;
    cur += sizeof(int);
    cout << type << ' ';

    if (type == DirectoryEntry) {
      RezDirectoryHeader *header = (RezDirectoryHeader *)cur;
      cur += sizeof(RezDirectoryHeader);
      string dirName(cur, header->NameLen);
      cur += header->NameLen + 1;
      cout << dirPrefix + dirName << '\n';
      recursiveTravelDirectory(f, dirPrefix + dirName + "/", header->Pos, header->Size);
    } else {
      RezFileHeader *header = (RezFileHeader *)cur;
      cur += sizeof(RezFileHeader);
      string fileName(cur, header->NameLen);
      cur += header->NameLen + 1;
      cur += 33;
      cur += header->NumKeys * 4;
      string ext((char *)&header->Type);
      reverse(ext.begin(), ext.end());
      cout << dirPrefix + fileName + "." + ext << '\n';
      extractFile(f, dirPrefix + fileName + "." + ext, header->Pos, header->Size);
    }
  }

  delete[] buf;
}

int main(int argc, char *argv[]) {
  ifstream f(argv[1], ios::in | ios::binary);

  if (f.bad()) {
    return -1;
  }

  RezHeader header;
  f.read((char *)&header, sizeof(header));
  recursiveTravelDirectory(f, string(argv[2]) + "/", header.RootDirPos, header.RootDirSize);
}