[Share]Fixed and Full ACV unpacker for all clients

[matrixane]

hi to all..well take here the new and complete fixed ACV PACK/UNPACK

ALL CREDITS FOR "MAGICBEAR" RZ USER.

Success make a new acv unpacker

Author: MagicBear
My English is not so good, so grammer may have many bugs. ^^
I am a Chinese. If you have any problem can ask me.
My MSN: [Only registered and activated users can see links. ]
QQ: 130012321
Finish in 2007-11-10 21:11 GMT+8

Format for acv file:
First 4 byte is file num
Continue is a block
each block size is 176 byte
Block Struct:
first 160 char: filename with path
160: DWORD (Unknow what meaning, all is same, may be a flag)
164: DWORD (compressed length, use this to set read data length)
168: DWORD (decompressed length, use this for zlib decompress length)
172: DWORD (pointer for data start)

pointer for data start is from 0-xxxxxxx
pointer need to fix:
so real pointer = 4+file_num*176+ori pointer
read compress data:
char *compdata = (char *)malloc(compress_len);
fseek(fp,4+file_num*176+ptr,SEEK_SET);
fread(compdata,compress_len,sizeof(char),fp);

and then make a standard gzip file with following step:
Add \x1F\x8B\x08\x00\x00\x00\x00\x00\x00\x03 to header
Drop first two byte for compress data and drop last five byte for compress data, ok.
and then now can decompress it with a without file length and crc hash check's decompresser. (like php's gzopen gzread function, you can download php's source code to see how to implement)
program write in php success. Suggest write it in C in real environment. Because using C to include zlib too many step, so i use php to make the demo program. when you finish the C source, I hope you can send the source code to me.
SOURCE CODE FOR PHP

$avc = "021.acv";
$favc = fopen($avc,"rb");
extract(unpack("Lfile_num",fread($favc,4)));
for ($i=0;$i<$file_num;$i++)
{
fseek($favc,4+$i*176,SEEK_SET);
$data = fread($favc,176);
$filename = substr($data,0,strpos($data,"\0"));
extract(unpack("Lcomplen/Lunknow/Lptr",substr($data,164,12)));
fseek($favc,4+$file_num*176+$ptr,SEEK_SET);
$comp_data = fread($favc, $complen);
gendir($filename);

$fp = fopen("tmp.gz", "wb");
fputs($fp, "\x1F\x8B\x08\x00\x00\x00\x00\x00\x00\x03");
fputs($fp,substr($comp_data,2,$complen-5-2));
fclose($fp);
// Load Compress File
$zp = gzopen("tmp.gz", "r");
$content = gzread($zp, $unknow);
//gzpassthru($zp);
gzclose($zp);
// Save Decompressed File
$fp = fopen("decompress/".$filename, "wb");
fwrite($fp, $content);
fclose($fp);

echo $filename." $ptr<br />";
}
fclose($favc);

function gendir($dirname)
{
$x = explode("\\",$dirname);
unset($x[count($x)-1]);
$xcount = count($x);
for ($i=0;$i<$xcount;$i++)
{
$joinstr = "";
for ($j=0;$j<=$i;$j++)
{
$joinstr .= $x[$j]."/";
}
if (!is_dir("decompress/".$joinstr))
{
mkdir("decompress/".$joinstr,0777);
}
}
}
Basic Frame for C++ (only get the data, no decompress function)
int main(int argc, char* argv[])
{
printf("avc file list viewer...\n");
printf("author: [Only registered and activated users can see links. ] 2007.11.10@ china\n");

if (argc == 0)
{
printf("usage: avc_list [avcfilename]\n");
return 0;
}
DWORD file_num = 0;
FILE *fp = fopen(argv[1],"rb");
if (fp == NULL)
{
printf("read file error!\n");
return 0;
}
fread(&file_num,sizeof(DWORD),1,fp);
printf("file num: %u\n",file_num);
int i = 0;
char filename[176];
DWORD addr1,compress_len,addr3,ptr;
for (i=0;i<file_num;i++)
{
//fseek(fp,4+i*176,SEEK_SET);
fread(filename,sizeof(char),176,fp);
memcpy(&addr1,filename+160,4);
memcpy(&compress_len,filename+164,4);
memcpy(&addr3,filename+168,4);
memcpy(&ptr,filename+172,4);
/*char *compdata = (char *)malloc(compress_len);
fseek(fp,4+file_num*176+ptr,SEEK_SET);
fread(compdata,compress_len,sizeof(char),fp);
printf("file: %s Flag: %x Len: %u unknow: %u Ptr: %u\n",filename,addr1,compress_len,addr3,ptr);
free(compdata);*/
printf("%s\n",filename);
}
fclose(fp);
return 0;
}

[matrixane]

HERE THE LINKS FOR COMPILED PROGRAM

PACK = [Only registered and activated users can see links. ]

UNPACK = [Only registered and activated users can see links. ]

[Mr.Rezo™]

Oh Shit ! Everyone don't need this tool , This tool everyone have it , if you have scoure of Audition , I can upload in this forum

[duyduc27]

Oh Shit ! Everyone don't need this tool , This tool everyone have it , if you have scoure of Audition , I can upload in this forum

Vô ơn vậy mà lại chẳng lịch sự tí nào cạ

[reieva]

cái ông kia vô duyên nhỉ, người ta share cho không cảm ơn thì thôi chứ, mắc mớ gì nói vây.
@ thanks matrixane 1 phát

[_Tung`]

Thank matrixane

[yeuthantoc]

hình như matrixane là người ngoại quốc, dù sao cũng thanks nhìu

[Mr.Rezo™]

Ngâu Tiếng Anh quá ta ! Ông ta chỉ cần share fix avc thôi chứ share Unpack với uppack làm cái je` !!!! Bó tay.Com mấy noob

[HKDdev.team]

Ngâu Tiếng Anh quá ta ! Ông ta chỉ cần share fix avc thôi chứ share Unpack với uppack làm cái je` !!!! Bó tay.Com mấy noob

******* tài này dạo này lên trình nhỉ

[eddy]

Lão Huy add dùm số di động của tui : 092 666 2425...

@anhtai : nể ông bạn trong Team DangNhap nhá ... cảnh cáo lần 1