program GedZapp;

{$APPTYPE CONSOLE}

uses
  SysUtils,
  windows;

var TW1,TW2,TW3,v,f:integer;

procedure Clean;
begin
TW2 := -1;
TW3 := -1;
end;

procedure Gutmann(const archivo:string);
var arch1:file;
    OxRandom:byte;
    tamano,BytesEscritos,BytesEscritos_,marka:integer;
    label escribe;
    label fin;
begin
Randomize;
BytesEscritos := 0; BytesEscritos_ := 0;
marka := 1;
OxRandom := $4D XOR Random(9999) + 1;
AssignFile(arch1,archivo);
Reset(arch1,1);
tamano := FileSize(arch1);
escribe:
if marka = 36 then goto fin;
if (marka=1) or (marka=2) or (marka=3) or (marka=4) or (marka=32) or
(marka=33) or (marka=34) or (marka=35) then begin Clean; TW1:=OxRandom; end;
if marka=5 then begin Clean; TW1:=$55; end;
if marka=6 then begin Clean; TW1:=$AA; end;
if (marka=7) or (marka=26) then begin TW1:=$92; TW2:=$49; TW3:=$24; end;
if (marka=8) or (marka=27) then begin TW1:=$49; TW2:=$24; TW3:=$92; end;
if (marka=9) or (marka=28) then begin TW1:=$23; TW2:=$92; TW3:=$49; end;
if marka=10 then begin Clean; TW1:=$00; end;
if marka=11 then begin Clean; TW1:=$11; end;
if marka=12 then begin Clean; TW1:=$22; end;
if marka=13 then begin Clean; TW1:=$33; end;
if marka=14 then begin Clean; TW1:=$44; end;
if marka=15 then begin Clean; TW1:=$55; end;
if marka=16 then begin Clean; TW1:=$66; end;
if marka=17 then begin Clean; TW1:=$77; end;
if marka=18 then begin Clean; TW1:=$88; end;
if marka=19 then begin Clean; TW1:=$99; end;
if marka=20 then begin Clean; TW1:=$AA; end;
if marka=21 then begin Clean; TW1:=$BB; end;
if marka=22 then begin Clean; TW1:=$CC; end;
if marka=23 then begin Clean; TW1:=$DD; end;
if marka=24 then begin Clean; TW1:=$EE; end;
if marka=25 then begin Clean; TW1:=$FF; end;
if marka=29 then begin TW1:=$6D; TW2:=$B6; TW3:=$DB; end;
if marka=30 then begin TW1:=$B6; TW2:=$DB; TW3:=$6D; end;
if marka=31 then begin TW1:=$DB; TW2:=$6D; TW3:=$B6; end;
Rewrite(arch1,1);
Repeat
BlockWrite(arch1,TW1,SizeOf(TW1),BytesEscritos_);
if TW2<>-1 then BlockWrite(arch1,TW2,SizeOf(TW2),BytesEscritos_);
if TW3<>-1 then BlockWrite(arch1,TW2,SizeOf(TW3),BytesEscritos_);
BytesEscritos := BytesEscritos + BytesEscritos_;
Until (BytesEscritos=tamano) or (BytesEscritos > tamano);
BytesEscritos := 0; BytesEscritos_ := 0;
closefile(arch1);
Inc(marka);
goto escribe;
fin:
DeleteFile(Pchar(archivo));
end;



procedure Zap(folder:string);
var encontrado:string;
    buscame:tsearchrec;
    sorella:integer;
begin
if folder[Length(folder)] <> '\' then folder := folder +'\';
sorella := FindFirst(folder + '*.*', faAnyfile,buscame); while sorella = 0 do
begin
if (buscame.name <> '.' ) and (buscame.name <> '..' ) then
if buscame.Attr and faDirectory > 0 then
begin
Zap(folder+buscame.Name);
end;
sorella := FindNext(buscame);
end;
if folder[Length(folder)] <> '\' then folder := folder + '\';
sorella := FindFirst(folder+'*.log',faAnyFile-faDirectory,buscame);
while sorella = 0 do
begin
if(buscame.name <> '.') and (buscame.name <> '..') and (buscame.name <> '')
then begin
encontrado := folder + buscame.name;
if v = 1 then writeln('Deleting '+encontrado+'...');
Gutmann(encontrado);
if v = 1 then writeln('Done.');
end;
sorella := FindNext(buscame);
end;
end;

procedure ShowMsg(const mode:byte);
var Msg: Array[1..5] of string;
    SP:string;
    Titulo:pchar;
    Handy:integer;
begin
Titulo := 'GedZapp - Gedzac Labs 2005 - Byt3Crow/GEDZAC';
SP := #13#10;
Msg[1] := 'GedZapp - Gedzac Labs 2005 - Byt3Cr0w/GEDZAC'+sp+
          'Examples of use:'+sp+'GedZapp -s -d C:\LogsFolder [Delete all logs in silent mode]'+sp+
          'GedZapp -s -f C:\Log.log [Delete a log showing info]'+sp+
          'GedZapp -v -d C:\LogsFolder [Delete all logs showing info]'+sp+
          'GedZapp -v -f C:\Log.log [Delete a log showing info]'+sp+sp+
          'http://www.gedzac.tk - byt3cr0w@post.cz';
Msg[2] := 'In the first param you have to put: -s or -v';
Msg[3] := 'In the second param you have to put: -f or -d';
Msg[4] := Paramstr(3)+' doesnt exists.';
Msg[5] := paramstr(3)+' is now clean.';
asm

      push Titulo
      Call SetConsoleTitle

    	push -11
   	  Call GetStdHandle
	    mov [Handy],eax

	    push 00000002h
 	    push [Handy]
	    Call SetConsoleTextAttribute
end;
Writeln(Msg[mode]);
readln;
exitprocess(0);
end;


begin
if (paramstr(1)='') or (paramstr(2)='') or (paramstr(3)='') then ShowMsg(1);
if paramstr(1) = '-v' then v := 1;
if v <> 1 then if paramstr(1) <> '-s' then ShowMsg(2);
if paramstr(2) = '-f' then f := 1;
if f <> 1 then if paramstr(2) <> '-d' then ShowMsg(3);
if f = 1 then if not FileExists(paramstr(3)) then ShowMsg(4);
if f = 1 then begin
if v = 1 then writeln('Deleting '+paramstr(3)+'...');
Gutmann(paramstr(3));
if v = 1 then writeln('Done.');
exitprocess(0);
end;
If not DirectoryExists(paramstr(3)) then ShowMsg(4);
Zap(paramstr(3));
ShowMsg(5);
end.