How (NOT!) to lock a folder with password without software

highlyInsecure.cpp

//source from http://ansblog.com/2009/12/how-to-lock-a-folder-with-password-without-software/
//Indentation mistakes may have occurred during transcription, as the original was not indented
//Empty lines, likewise, were inserted haphazardly, as the original did not have any

#include<iostream.h>
#include<fstream.h>
#include<conio.h>
#include<string.h>
#include<dos.h>
#include<stdlib.h>

int main()
{
  int ch;
  char pass[4]=”aaa”,passcon[20],passw[20],pass1[20],conpass[20],dn[20]=”md x:\\locker”,dr;
  char com1[100]=”ren x:\\locker explorer.{20D04FE0-3AEA-1069-A2D8-08002B30309D}”,com2[100]=”attrib +r +h +s x:\\explorer.{20D04FE0-3AEA-1069-A2D8-08002B30309D}”;
  char com3[100]=”attrib -r -h -s x:\\explorer.{20D04FE0-3AEA-1069-A2D8-08002B30309D}”,com4[100]=”ren x:\\explorer.{20D04FE0-3AEA-1069-A2D8-08002B30309D} locker”;
  char tet[50]=”c:\\windows\\inf\\pass.txt”,tet1[50]=”c:\\windows\\inf\\dr.txt”;

  do
  {
    cout<<”\n\t\t1.Make Locker\n”;
    cout<<”\n\t\t2.Lock\n”;
    cout<<”\n\t\t3.Unlock\n”;
    cout<<”\n\t\t4.Reset Password\n”;
    cout<<”\n\t\t5.Exit\n”;
    cout<<”\n\t\tEnter Choice : “;
    cin>>ch;

    if(ch==1)
    {
      cout<<”Enter a valid drive letter to create locker (ex. c)\t:”;
      cin>>dn[3];
      system(dn);
      ofstream finp;
      finp.open(tet);
      finp<<pass;
      ofstream finr;
      finr.open(tet1);
      finr<<dn[3];
      finp.close();
      finr.close();
      cout<<”LOCKER CREATED SUCCESSFULLY”;
      cout<<”\nPress any key to return to menu…”;
      getch();
      system(“cls”);
    }
    else if(ch==2)
      {ifstream finp;
      ifstream finr;
      finp.open(tet);
      finr.open(tet1);
      finp>>pass1;
      finr>>dr;
      finp.close();
      finr.close();

      if(strcmp(pass1,”aaa”)==0)
        { do
          {
          cout<<”\nEnter password\t:”;
          cin>>pass;
          cout<<”\nConfirm password\t:”;
          cin>>passcon;}
        while(strcmp(pass,passcon)!=0);

        ofstream fout;
        fout.open(tet);
        fout<<pass;
        fout.close();
        cout<<”\nPASSWORD SET”;
        com1[4]=dr;
        com2[16]=dr;
        system(com1);
        system(com2);
        cout<<”\nLOCKER LOCKED SUCCESSFULLY”;
        cout<<”\nPress any key to return to menu…\n”;
        getch();
        system(“cls”);
      }
      else
        {cout<<”\nEnter password\t:”;
        cin>>passw;
        ifstream finp;
        ifstream finr;
        finp.open(tet);
        finr.open(tet1);
        finp>>pass1;
        finr>>dr;
        finr.close();
        finp.close();

        if(strcmp(passw,pass1)==0)
          {com1[4]=dr;
          com2[16]=dr;
          system(com1);
          system(com2);
          cout<<”\nLOCKER LOCKED SUCCESSFULLY”;
          cout<<”\nPress any key to return to menu…\n”;
          getch();
          system(“cls”);}

      else
          {cout<<”\nWRONG PASSWORD”;
          cout<<”\nPress any key to return to menu…\n”;
          getch();}
        system(“cls”);
    }  }
    else if(ch==3)
      {cout<<”\nEnter password\t:”;
      cin>>conpass;
      ifstream finp;
      ifstream finr;
      finp.open(tet);
      finr.open(tet1);
      finp>>pass1;
      finr>>dr;
      finr.close();
      finp.close();
      
      if(strcmp(conpass,pass1)==0)
        {com4[4]=dr;
        com3[16]=dr;
        system(com3);
        system(com4);
        cout<<”\nLOCKER UNLOCKED SUCCESSFULLY”;
        cout<<”\nPress any key to return to menu…\n”;
        getch();}
      
      else
        {cout<<”\nWRONG PASSWORD!!!”;
        cout<<”\nPress any key to return to menu…\n”;
        getch();}
      system(“cls”);
    }
    else if(ch==4)
      {cout<<”\nEnter old password\t:”;
      cin>>passw;
      ifstream finp;
      ifstream finr;
      finp.open(tet);
      finr.open(tet1);
      finp>>pass1;
      finr>>dr;
      finr.close();
      finp.close();
      
      if(strcmp(pass1,passw)==0)
        {cout<<”\nEnter new password”;
        cin>>pass1;
        ofstream finp;
        finp.open(tet);
        finp<<pass1;
        finp.close();                         }
      else
        {cout<<”WRONG PASSWORD!!!”;}
      cout<<”\nPress any key to return to menu…”;
      getch();
      system(“cls”);
    }
    else
      {cout<<”\n\t\tWrong Choice\n”;system(“cls”);}
  }while(ch!=5);
  return 0;
}