编程实现Windows应用程序自产生代码-技术开发专区

编程实现Windows应用程序自产生代码

作者：IT168 Kim编译编辑：胡铭娅 2009-02-10 09:12 来源：IT168�

注意：如果你想定义一个像unsigned char myfunction_00001_code[]那样的unsigned char，它的maxlength是2048。这受到了VC++ 6.0开发环境的限制。因此，如果该函数代码太长，我必须编写加密的代码数据到多unsigned char变量中。在build_h中的该函数会像如下所示的那样：

//
void build_h(BYTE* pInBuf,int InBufSize,char* function_name)
{
    DWORD syslen=InBufSize;
    BYTE* sysbuffer=pInBuf;

    char hname[MAX_PATH];
    sprintf(hname,"%s%s",function_name,".h");

    HANDLE hHandle=CreateFileA(hname,
        GENERIC_WRITE,0,NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,0);

    SetFilePointer(hHandle,0,0,FILE_BEGIN);

    DWORD RW;
    char _code_end[]="\";
    int l_end=strlen(&_code_end[0]);

    char cname[MAX_PATH];
    char* pszSlash=hname;

    char TX[5];
    int count=0;
    int arrary_num=1;
    int ar_num=0;

    WriteFile(hHandle,"\r",1,&RW,NULL);
    WriteFile(hHandle,"\n",1,&RW,NULL);

    WriteFile(hHandle,"//",2,&RW,NULL);
    WriteFile(hHandle,hname,strlen(hname),&RW,NULL);
    WriteFile(hHandle,"\r",1,&RW,NULL);
    WriteFile(hHandle,"\n",1,&RW,NULL);
    WriteFile(hHandle,"\r",1,&RW,NULL);
    WriteFile(hHandle,"\n",1,&RW,NULL);

    WriteFile(hHandle,
        "//Created by Your Name",strlen("//Created by Your Name"),&RW,NULL);
    WriteFile(hHandle,"\r",1,&RW,NULL);
    WriteFile(hHandle,"\n",1,&RW,NULL);

    WriteFile(hHandle, "//your email", strlen("//your email"), &RW, NULL);

    WriteFile(hHandle,"\r",1,&RW,NULL);
    WriteFile(hHandle,"\n",1,&RW,NULL);

    for(UINT i=0;i<syslen;i++){
        if(ar_num==0){
            WriteFile(hHandle,"\r",1,&RW,NULL);
            WriteFile(hHandle,"\n",1,&RW,NULL);

            int ee=sprintf(cname,"%s","unsigned char ");
            ee+=sprintf(cname+ee,"%s",pszSlash);
            ee=ee-2;
            ee+=sprintf(cname+ee,"%s%05d","_",arrary_num);
            ee=sprintf(cname+ee,"%s",_code[]=\"\\\r\n");
            int l=strlen(&cname[0]);
            WriteFile(hHandle,cname,l,&RW,NULL);
        }

        WriteFile(hHandle,"\\x",2,&RW,NULL);
        sprintf(TX,"%02x",sysbuffer[i]);
        WriteFile(hHandle,TX,2,&RW,NULL);
        count++;
        ar_num=ar_num+4;

        if (count==20){
        count=0;
        WriteFile(hHandle,"\\",1,&RW,NULL);
        WriteFile(hHandle,"\r",1,&RW,NULL);
        WriteFile(hHandle,"\n",1,&RW,NULL);
        }

        if(ar_num>2030){

        arrary_num=arrary_num+1;
        WriteFile(hHandle,_code_end,l_end,&RW,NULL);

        WriteFile(hHandle,"\r",1,&RW,NULL);
        WriteFile(hHandle,"\n",1,&RW,NULL);

        char len[MAX_PATH];
        int ee=sprintf(len,"%s","#define ");
        ee+=sprintf(len+ee,"%s",cname+14);
        ee=ee-7;
        ee+=sprintf(len+ee,"%s","_LEN ");
        ee+=sprintf(len+ee,"%d",ar_num/4);
        WriteFile(hHandle,len,ee,&RW,NULL);

        WriteFile(hHandle,"\r",1,&RW,NULL);
        WriteFile(hHandle,"\n",1,&RW,NULL);

        ar_num=0;
        count=0;
        }
    }

    double yushu=fmod(syslen*1.0,508.0);
    if(yushu!=0){
        WriteFile(hHandle,_code_end,l_end,&RW,NULL);

        WriteFile(hHandle,"\r",1,&RW,NULL);
        WriteFile(hHandle,"\n",1,&RW,NULL);

        char len[MAX_PATH];
        int ee=sprintf(len,"%s","#define ");
        ee+=sprintf(len+ee,"%s",cname+14);
        ee=ee-7;
        ee+=sprintf(len+ee,"%s","_LEN ");
        ee+=sprintf(len+ee,"%d",ar_num/4);
        WriteFile(hHandle,len,ee,&RW,NULL);

        WriteFile(hHandle,"\r",1,&RW,NULL);
        WriteFile(hHandle,"\n",1,&RW,NULL);
    }

    WriteFile(hHandle,"\r",1,&RW,NULL);
    WriteFile(hHandle,"\n",1,&RW,NULL);

    char lLen[MAX_PATH];
    int ee=sprintf(lLen,"%s","#define ");
    ee+=sprintf(lLen+ee,"%s",cname+14);
    ee=ee-17;
    ee+=sprintf(lLen+ee,"%s","ARRAY_NUM ");
    ee+=sprintf(lLen+ee,"%d",arrary_num);

    WriteFile(hHandle,lLen,ee,&RW,NULL);

    WriteFile(hHandle,"\r",1,&RW,NULL);
    WriteFile(hHandle,"\n",1,&RW,NULL);

    ee=sprintf(lLen,"%s","#define ");
    ee+=sprintf(lLen+ee,"%s",cname+14);
    ee=ee-17;
    ee+=sprintf(lLen+ee,"%s","CODE_LEN ");
    ee+=sprintf(lLen+ee,"%d",syslen);

    WriteFile(hHandle,lLen,ee,&RW,NULL);

    WriteFile(hHandle,"\r",1,&RW,NULL);
    WriteFile(hHandle,"\n",1,&RW,NULL);
    CloseHandle(hHandle);
}
//

第1页：编程实现Windows应用程序自产生代码第2页：my_function方法第3页：unsigned char变量第4页：解密My_function代码并执行第5页：执行My_function方法

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