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comparison system/file.cc @ 30:3fe3e5f184b5

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* Added CLANNAD Full Voice's key
author thib
date Fri, 06 Mar 2009 21:25:42 +0000
parents 3a6aaeab7b4e
children 2c574c3d50a9
comparison
equal deleted inserted replaced
29:d229cce98f50 30:3fe3e5f184b5
597 searcher[ALL] = dat_dir; 597 searcher[ALL] = dat_dir;
598 searcher[ROOT] = root_dir; 598 searcher[ROOT] = root_dir;
599 return 0; 599 return 0;
600 } 600 }
601 601
602 void FILESEARCH::SetXorKey(char *key)
603 {
604 unsigned short int i;
605 for (i=0; i < 16; i++)
606 xor_key[i] = key[i];
607 }
608
609 void FILESEARCH::GuessXorKey(char *regname)
610 {
611 char key1[16] = {
612 0xa8, 0x28, 0xfd, 0x66,
613 0xa0, 0x23, 0x77, 0x69,
614 0xf9, 0x45, 0xf8, 0x2c,
615 0x7c, 0x00, 0xad, 0xf4
616 };
617
618 char key2[16] = {
619 0xAF, 0x2F, 0xFB, 0x6B,
620 0xAF, 0x30, 0x77, 0x17,
621 0x87, 0x48, 0xFE, 0x2C,
622 0x68, 0x1A, 0xB9, 0xF0
623 };
624
625
626 if (strcmp(regname, "KEY\\CLANNAD_FV") == 0) {
627 SetXorKey(key2);
628 }
629 else {
630 SetXorKey(key1);
631 }
632 }
633
634 const char * FILESEARCH::GetXorKey(void)
635 {
636 return xor_key;
637 }
638
602 void FILESEARCH::SetFileInformation(FILETYPE tp, ARCTYPE is_arc, char* filename) { 639 void FILESEARCH::SetFileInformation(FILETYPE tp, ARCTYPE is_arc, char* filename) {
603 int type = tp; 640 int type = tp;
604 if (type < 0 || type >= TYPEMAX) return; 641 if (type < 0 || type >= TYPEMAX) return;
605 ARCFILE* next_arc = 0; 642 ARCFILE* next_arc = 0;
606 /* すでに searcher が存在すれば解放 */ 643 /* すでに searcher が存在すれば解放 */
1384 ,0xc4 ,0x04 ,0x5f ,0x5e ,0x5b ,0x8b ,0xe5 ,0x5d ,0xc3 ,0x8b ,0x55 ,0xf8 ,0x8d ,0x4d ,0xfc ,0x51 1421 ,0xc4 ,0x04 ,0x5f ,0x5e ,0x5b ,0x8b ,0xe5 ,0x5d ,0xc3 ,0x8b ,0x55 ,0xf8 ,0x8d ,0x4d ,0xfc ,0x51
1385 ,0x57 ,0x56 ,0x52 ,0xff ,0x15 ,0x2c ,0xb1 ,0x43 ,0x00 ,0xeb ,0xd8 ,0x8b ,0x45 ,0xe8 ,0x83 ,0xc0 1422 ,0x57 ,0x56 ,0x52 ,0xff ,0x15 ,0x2c ,0xb1 ,0x43 ,0x00 ,0xeb ,0xd8 ,0x8b ,0x45 ,0xe8 ,0x83 ,0xc0
1386 ,0x20 ,0x50 ,0x6a ,0x00 ,0xe8 ,0x47 ,0x28 ,0x01 ,0x00 ,0x8b ,0x7d ,0xe8 ,0x89 ,0x45 ,0xf4 ,0x8b 1423 ,0x20 ,0x50 ,0x6a ,0x00 ,0xe8 ,0x47 ,0x28 ,0x01 ,0x00 ,0x8b ,0x7d ,0xe8 ,0x89 ,0x45 ,0xf4 ,0x8b
1387 ,0xf0 ,0xa1 ,0xe0 ,0x30 ,0x44 ,0x00 ,0x83 ,0xc4 ,0x08 ,0x85 ,0xc0 ,0x75 ,0x56 ,0x8b ,0x1d ,0xd0 1424 ,0xf0 ,0xa1 ,0xe0 ,0x30 ,0x44 ,0x00 ,0x83 ,0xc4 ,0x08 ,0x85 ,0xc0 ,0x75 ,0x56 ,0x8b ,0x1d ,0xd0
1388 ,0xb0 ,0x43 ,0x00 ,0x85 ,0xff ,0x76 ,0x49 ,0x81 ,0xff ,0x00 ,0x00 ,0x04 ,0x00 ,0x6a ,0x00 ,0x76}; 1425 ,0xb0 ,0x43 ,0x00 ,0x85 ,0xff ,0x76 ,0x49 ,0x81 ,0xff ,0x00 ,0x00 ,0x04 ,0x00 ,0x6a ,0x00 ,0x76};
1389 char ARCINFO2k::decode_seed2[16] = { 1426
1390 0xa8, 0x28, 0xfd, 0x66,
1391 0xa0, 0x23, 0x77, 0x69,
1392 0xf9, 0x45, 0xf8, 0x2c,
1393 0x7c, 0x00, 0xad, 0xf4
1394 };
1395 1427
1396 bool ARCINFO2k::ExecExtract(void) { 1428 bool ARCINFO2k::ExecExtract(void) {
1397 int i; 1429 int i;
1398 char* ret_data = new char[info.filesize + 1024]; 1430 char* ret_data = new char[info.filesize + 1024];
1399 char* decoded_data = new char[info.arcsize + 1024]; 1431 char* decoded_data = new char[info.arcsize + 1024];
1422 d = ret_data + info.private_data; 1454 d = ret_data + info.private_data;
1423 dend = ret_data + info.filesize; 1455 dend = ret_data + info.filesize;
1424 while(lzExtract(Extract_DataType_SCN2k(), char(), s, d, send, dend)) ; 1456 while(lzExtract(Extract_DataType_SCN2k(), char(), s, d, send, dend)) ;
1425 } 1457 }
1426 if (read_little_endian_int(data+4) == 0x1adb2) { // Little Busters! 1458 if (read_little_endian_int(data+4) == 0x1adb2) { // Little Busters!
1459 const char *decode_key = file_searcher.GetXorKey();
1427 int header_size = info.private_data; 1460 int header_size = info.private_data;
1428 for (i=0x100; i<=0x200 && header_size+i < info.filesize; i++) { 1461 for (i=0x100; i<=0x200 && header_size+i < info.filesize; i++) {
1429 ret_data[header_size+i] ^= decode_seed2[i&0x0f]; 1462 ret_data[header_size+i] ^= decode_key[i&0x0f];
1430 } 1463 }
1431 } 1464 }
1432 delete[] decoded_data; 1465 delete[] decoded_data;
1433 if (! use_mmap) delete[] data; 1466 if (! use_mmap) delete[] data;
1434 data = ret_data; 1467 data = ret_data;