用C语言写的迅雷看看XV文件提取器及C语言源代码

tfref

    如果你没用过迅雷看看, 或是不知道XV文件的, …
    写了很久了, 但是担心版权问题, 一直没有帖出来~~~
    能提取截止目前最新版本的迅雷看看XV文件. 好了, 不多说, 懒得多说.
    还是开源吧, 效果图以后补上. 暂时没有需要转换的文件. 🙂
    这一版本我忘了写检查磁盘剩余空间的过程, 呃, …

/*
tabsize:4
*/
#include <stdio.h>
#include <string.h>
#define _WIN32_WINNT 0x0502
#include <Windows.h>

int cntFileProcessed = 0;    //count file that processed, accumulated.
int scrWidth;                //screen width

void ResetCursorPosvoid)
{
    CONSOLE_SCREEN_BUFFER_INFO sbi;
    COORD co;
    HANDLE hOutput;
    hOutput = GetStdHandleSTD_OUTPUT_HANDLE);
    GetConsoleScreenBufferInfohOutput, &sbi);
    co.X = sbi.dwCursorPosition.X-5+1+4);    //e.g.:1024M,100%
    co.Y = sbi.dwCursorPosition.Y;
    SetConsoleCursorPositionhOutput, co);
    //sure to leave hOutput as it was
    return;    
}

void ExtractFilechar* filespec)
{
#define BUFSIZE 1<<20)*5)    //5M buffer
    HANDLE hFileIn = NULL;    //handle of input file
    HANDLE hFileOut = NULL;    //handle of output file

    DWORD dwSizeRead = 0;    //the ReadFile function Read size
    DWORD dwSizeWritten = 0;//the WriteFile function Written size
    DWORD dwSize = 0;
    
    int magicNumber = 0;    //you may know when you look, I suppose.
    int fileType = 0;        //indicates what file it is

    LARGE_INTEGER li;        //for SetFilePointer function use,2M offset of REAL movie data

    BYTE hdr[4];            //the *.xv file header
    BYTE ch;                //
    char* pchar;            //tmp use
    char fileOut[MAX_PATH];    //namely, the output file
    BYTE* buffer = NULL;    //block extraction data, every time it extracts 5MB data at most

    char* errMsg = NULL;    //FormatMessage
    int lastErr = 0;        //GetLastError

    int percent = 0;        //percentage of processed data
    int readSize = 0;        //total size Read
    DWORD fileSize;            //total file size, for percentage use

    int prtLen;                //the printfand its relative) returned
    int dotLen;                //as you see at the screen

    int k;                    //I think you know...
    
    li.LowPart = 1<<21;
    li.HighPart = 0;

    buffer = BYTE*)mallocBUFSIZE);    //5M buffer size
    ifbuffer == NULL)
    {
        fprintfstderr, "内存分配失败!\n");
        return;
    }

    hFileIn = CreateFilefilespec, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
    ifhFileIn == INVALID_HANDLE_VALUE)
    {
        freebuffer);
        buffer = NULL;
        lastErr = GetLastError);
        ifFormatMessageFORMAT_MESSAGE_FROM_SYSTEM|FORMAT_MESSAGE_ALLOCATE_BUFFER, NULL, lastErr, MAKELANGIDLANG_NEUTRAL, SUBLANG_NEUTRAL), LPSTR)&errMsg, 1, NULL))
        {
            fprintfstderr, "CreateFile:%s\n%s", filespec, errMsg);
            LocalFreeHLOCAL)errMsg);
            errMsg = NULL;
        }
        return;
    }
    fileSize = GetFileSizehFileIn, NULL);
    iffileSize <= 0x00200000)
    {
        fprintfstderr, "文件大小不正确,不能小于2M.%s)\n", filespec);
        freebuffer);
        buffer = NULL;
        CloseHandlehFileIn);
        hFileIn = NULL;
        return;
    }

    fileSize -= 0x00200000;    //2M offset of REAL Video data

    SetFilePointerExhFileIn, li, NULL, FILE_BEGIN);
    if!ReadFilehFileIn, hdr, 4, &dwSizeRead, NULL) || dwSizeRead==0)
    {
        lastErr = GetLastError);
        ifFormatMessageFORMAT_MESSAGE_FROM_SYSTEM|FORMAT_MESSAGE_ALLOCATE_BUFFER, NULL, lastErr, MAKELANGIDLANG_NEUTRAL, SUBLANG_NEUTRAL), LPSTR)&errMsg, 1, NULL))
        {
            fprintfstderr, "ReadFile:%s\n%s", filespec, errMsg);
            LocalFreeHLOCAL)errMsg);
            errMsg = NULL;
        }
        CloseHandlehFileIn);
        hFileIn = NULL;
        freebuffer);
        buffer = NULL;
        return;
    }
    
    magicNumber = 338-hdr[1])&0xFF;
    ifBYTE)hdr[1]+magicNumber)=='R' && BYTE)hdr[2]+magicNumber)=='M' && BYTE)hdr[3]+magicNumber)=='F')
    {
        fileType = 1;
        goto _go;
    }
    
    magicNumber = 294-hdr[1])&0xFF;
    ifBYTE)hdr[2]+magicNumber)==178 && BYTE)hdr[3]+magicNumber)==117)        
    {
        fileType = 2;
        goto _go;
    }

    magicNumber = 332-hdr[1])&0xFF ;
    ifBYTE)hdr[1]+magicNumber)==76 && BYTE)hdr[2]+magicNumber)==86)
    {
        fileType = 3 ;
        goto _go;
    }

    magicNumber=329-hdr[1])&0xFF ;
    ifBYTE)hdr[1]+magicNumber)==73 && BYTE)hdr[2]+magicNumber)==70 && BYTE)hdr[3]+magicNumber)==70)
    {
        fileType = 4 ;
        goto _go;
    }
    magicNumber=256-hdr[1])&0xFF ;
    if!magicNumber+hdr[2]))
    {
        fileType = 5 ;
        goto _go;
    }

    magicNumber=256-hdr[1])&0xFF ;
    ifBYTE)hdr[2]+magicNumber)==1 && BYTE)hdr[3]+magicNumber)==186)
    {
        fileType = 6 ;
        goto _go;
    }

    magicNumber=325-hdr[1])&0xFF ;
    ifBYTE)hdr[1]+magicNumber)==69 && BYTE)hdr[2]+magicNumber)==223 && BYTE)hdr[3]+magicNumber)==163)
    {
        fileType = 7 ;
        goto _go;
    }

    fprintfstderr, "不能识别的文件格式!%s)\n", filespec);
    freebuffer);
    buffer = NULL;
    CloseHandlehFileIn);
    hFileIn = NULL;
    return;

_go:
    ch = 0;
    pchar = strrchrfilespec,'\\');
    if!pchar)
        pchar = strrchrfilespec, '/');
    pchar = pchar==NULL?filespec:pchar+1;
    switchfileType)
    {
    case 1://rm/rmvb
        ch = 46;
        sprintffileOut, "%s%s", pchar, ".rmvb");
        break;
    case 2://wmv
        ch = 48;
        sprintffileOut, "%s%s", pchar, ".wmv");
        break;
    case 3://flv
        ch = 70;
        sprintffileOut, "%s%s", pchar, ".flv");
        break;
    case 4://avi
        ch = 82;
        sprintffileOut, "%s%s", pchar, ".avi");
        break;
    case 5://mp4
        ch = 0;
        sprintffileOut, "%s%s", pchar, ".mp4");
        break;
    case 6://mpeg
        ch = 0;
        sprintffileOut, "%s%s", pchar, ".mpeg");
        break;
    case 7://mkv
        ch = 26;
        sprintffileOut, "%s%s", pchar, ".mkv");
        break;
    default:
        break;
    }
    hFileOut = CreateFilefileOut, GENERIC_WRITE, FILE_SHARE_READ, NULL, /*CREATE_ALWAYS*/CREATE_NEW, FILE_ATTRIBUTE_NORMAL, NULL);
    ifhFileOut == INVALID_HANDLE_VALUE)
    {
        lastErr = GetLastError);
        ifFormatMessageFORMAT_MESSAGE_FROM_SYSTEM|FORMAT_MESSAGE_ALLOCATE_BUFFER, NULL, lastErr, MAKELANGIDLANG_NEUTRAL, SUBLANG_NEUTRAL), LPSTR)&errMsg, 1, NULL))
        {
            fprintfstderr, "CreateFile:%s\n%s", fileOut, errMsg);
            LocalFreeHLOCAL)errMsg);
            errMsg = NULL;
        }
        CloseHandlehFileIn);
        hFileIn = NULL;
        freebuffer);
        buffer = NULL;
        return;
    }
    
    WriteFilehFileOut, LPVOID)&ch, 1, &dwSizeWritten, NULL);
    
    //handle file header
    fork = 1; k < 4; k++)
        hdr[k] = BYTE)hdr[k]+magicNumber)&0xFF);
    WriteFilehFileOut, &hdr[1], 3, &dwSizeWritten, NULL);

    //handle encrypted data. is it simple?
    ReadFilehFileIn, buffer, 1019, &dwSizeRead, NULL);
    fork=0; k<1019; k++)
        buffer[k] = BYTE)buffer[k]+magicNumber & 0xFF);
    WriteFilehFileOut, buffer, 1019, &dwSizeWritten, NULL);

    readSize += 1024;
    prtLen = printf"%s%s)", filespec, strrchrfileOut, '.'));
    dotLen = scrWidth-prtLen%scrWidth;
    ifdotLen<=10)
        dotLen += scrWidth;
    dotLen -= 1;
    whiledotLen--)
        printf".");
    //it looks like this: left edge-->|mymov.xv.flv).............1024M, 99% | <--right edge

    //copy rest file, original :-), and show sth. useful. how smart thunder kankan was.
    whileReadFilehFileIn, buffer, BUFSIZE, &dwSizeRead, NULL) && dwSizeRead != 0)
    {
        WriteFilehFileOut, buffer, dwSizeRead, &dwSizeWritten, NULL);
        readSize += dwSizeRead;
        ResetCursorPos);
        printf"%4dM,%3d%%", int)readSize/1<<20)), int)readSize/float)fileSize*100));
    }
    printf"\n");
    CloseHandlehFileIn);
    CloseHandlehFileOut);
    hFileIn = NULL;
    hFileOut = NULL;
    freebuffer);
    buffer = NULL;

    cntFileProcessed++;
    return;
}

//parse if there to be a wild char
void HandleFilechar* filespec)
{
    WIN32_FIND_DATA fd;
    HANDLE hFile = NULL;
    char findpath[260];
    char tmppath[260];
    char* pchar = NULL;

    hFile = FindFirstFilefilespec, &fd);
    ifhFile == INVALID_HANDLE_VALUE)
    {
        fprintfstderr, "没有文件用于处理!\n");
        return;
    }

    strncpyfindpath, filespec, sizeoffindpath));
    //we need to add a full current path to the dest file 
    //since the fd.cFileName member does not include the path
    pchar = strrchrfindpath, '\\');
    if!pchar)
        pchar = strrchrfindpath, '/');    //sometimes, it's not back-slash-ed.
    ifpchar)
        *pchar+1) = '\0';
    do 
    {
        if!fd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY))    //eliminate directory
        {
            ifpchar)
            {
                sprintftmppath, "%s%s", findpath, fd.cFileName);    //now it's full path
                ExtractFiletmppath);
            }
            else
            {
                ExtractFilefd.cFileName);    //in current dir
            }
        }
    } while FindNextFilehFile, &fd));    //continue deep search
    FindClosehFile);
    hFile = NULL;
    return;
}

void Usagechar* name)
{
    char* ptr = strrchrname, '\\');    //only the name we need, not the full path
    char* pmsg = 
        "迅雷看看XV文件提取器 - 版本:1.0\n"
        "作者:女孩不哭 编译时间:" __DATE__ " " __TIME__ "\n\n"
        "使用方法:\"%s /y 文件\", 输出文件在当前工作目录下\n\n"
        "敬告:迅雷XV文件包含受版权保护的内容.\n"
        "本程序仅供研究和学习使用, 请自觉将提取的文件立即删除.\n"
        "切勿将本程序及其提取的文件使用于任何其它用途.\n"
        "对于使用本程序造成的任何后果, 由使用者自行承担法律责任!\n"
        "要接受此协议, 请从命令行传入/y作为第1个参数, 文件作为第2个参数.\n";
    if!ptr)
        ptr = strrchrname, '/');
    if!ptr)    //the cur dir is just in the exe dir
        ptr = name-1;//ptr+1
    printfpmsg, ptr+1);
    return;
}

int mainint argc, char** argv)
{
    CONSOLE_SCREEN_BUFFER_INFO sbi;
    ifargc!=3 || stricmpargv[1], "/y"))    //xve /y file format expected
    {
        Usageargv[0]);
        return 1;
    }
    GetConsoleScreenBufferInfoGetStdHandleSTD_OUTPUT_HANDLE), &sbi);
    scrWidth = sbi.dwSize.X;    //width, in characters

    HandleFileargv[2]);    //enum files if a wild char is detected
    printf"处理了 %d 个文件!\n", cntFileProcessed);
    return 0;
}

项目及bin下载:
http://alioss.twofei.com/windows/xve.7z
https://files.cnblogs.com/nbsofer/xve.7z
女孩不哭 @ 2012-08-18 23:37:03 @ http://www.cnblogs.com/nbsofer
PS:
    其实我对迅雷看看没一点兴趣…
    不过, 从XV文件看来, 迅雷很聪明~~~  那个聪明, 你懂的.

2013-06-09测试, 仍然能用