unit Unit1;

interface

uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs,winsock, StdCtrls;

type
IPINFO = record
Ttl :char;
Tos :char;
IPFlags :char;
OptSize :char;
Options :^char;
end;

type
ICMPECHO = record
Source :longint;
Status :longint;
RTTime :longint;
DataSize:Shortint;
Reserved:Shortint;
pData :^variant;
i_ipinfo:IPINFO;
end;
TIcmpCreateFile = function():integer; {$IFDEF WIN32} stdcall; {$ENDIF}
TIcmpCloseHandle = procedure(var handle:integer);{$IFDEF WIN32} stdcall; {$ENDIF}
TIcmpSendEcho = function(var handle:integer; endereco:DWORD; buffer:variant; tam:WORD; IP:IPINFO; ICMP:ICMPECHO; tamicmp:DWORD; tempo:DWORD):DWORD;{$IFDEF WIN32} stdcall; {$ENDIF}

type
TForm1 = class(TForm)
Edit1: TEdit;
Memo1: TMemo;
Button1: TButton;
procedure Button1Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;





var
Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.Button1Click(Sender: TObject);
var
wsadt : wsadata;
icmp :icmpecho;
HNDicmp : integer;
hndFile :integer;
Host :PHostEnt;
Destino :in_addr;
Endereco :^DWORD;
IP : ipinfo;
Retorno :integer;
dwRetorno :DWORD;
x :integer;

IcmpCreateFile : TIcmpCreateFile;
IcmpCloseHandle : TIcmpCloseHandle;
IcmpSendEcho : TIcmpSendEcho;

begin
if (edit1.Text = '') then begin
Application.MessageBox('Enter a HostName ro a IP Adress',
'Error', MB_OK);
exit;
end;
HNDicmp := LoadLibrary('ICMP.DLL');
if (HNDicmp <> 0) then begin
@IcmpCreateFile := GetProcAddress(HNDicmp,'IcmpCreateFile');
@IcmpCloseHandle := GetProcAddress(HNDicmp,'IcmpCloseHandle');
@IcmpSendEcho := GetProcAddress(HNDicmp,'IcmpSendEcho');
if (@IcmpCreateFile=nil) or (@IcmpCloseHandle=nil) or (@IcmpSendEcho=nil) then begin
Application.MessageBox('Error getting ICMP Adress','Error', MB_OK);
FreeLibrary(HNDicmp);
end;
end;
Retorno := WSAStartup($0101,wsadt);

if (Retorno <> 0) then begin
Application.MessageBox('Can´t Load WinSockets','WSAStartup', MB_OK);
WSACleanup();
FreeLibrary(HNDicmp);
end;

Destino.S_addr := inet_addr(Pchar(Edit1.text));
if (Destino.S_addr = 0) then begin
Host := GetHostbyName(PChar(Edit1.text));
end
else begin
Host := GetHostbyAddr(@Destino,sizeof(in_addr), AF_INET);
end;

if (host = nil) then begin
Application.MessageBox('Host not found','Error', MB_OK);
WSACleanup();
FreeLibrary(HNDicmp);
exit;
end;
memo1.Lines.Add('Pinging ' + Edit1.text);

Endereco := @Host.h_addr_list;

HNDFile := IcmpCreateFile();
for x:= 0 to 4 do begin
Ip.Ttl := char(255);
Ip.Tos := char(0);
Ip.IPFlags := char(0);
Ip.OptSize := char(0);
Ip.Options := nil;

dwRetorno := IcmpSendEcho(
HNDFile,
Endereco^,
null,
0,
Ip,
Icmp,
sizeof(Icmp),
DWORD(5000));
Destino.S_addr := icmp.source;
Memo1.Lines.Add('Ping ' + Edit1.text);
end;


IcmpCLoseHandle(HNDFile);
FreeLibrary(HNDicmp);
WSACleanup();
end;

end.

procedure ExecConsoleApp(CommandLine: AnsiString; Output: TStringList; Errors:
  TStringList);
var
  sa: TSECURITYATTRIBUTES;
  si: TSTARTUPINFO;
  pi: TPROCESSINFORMATION;
  hPipeOutputRead: THANDLE;
  hPipeOutputWrite: THANDLE;
  hPipeErrorsRead: THANDLE;
  hPipeErrorsWrite: THANDLE;
  Res, bTest: Boolean;
  env: array[0..100] of Char;
  szBuffer: array[0..256] of Char;
  dwNumberOfBytesRead: DWORD;
  Stream: TMemoryStream;
begin
  sa.nLength := sizeof(sa);
  sa.bInheritHandle := true;
  sa.lpSecurityDescriptor := nil;
  CreatePipe(hPipeOutputRead, hPipeOutputWrite, @sa, 0);
  CreatePipe(hPipeErrorsRead, hPipeErrorsWrite, @sa, 0);
  ZeroMemory(@env, SizeOf(env));
  ZeroMemory(@si, SizeOf(si));
  ZeroMemory(@pi, SizeOf(pi));
  si.cb := SizeOf(si);
  si.dwFlags := STARTF_USESHOWWINDOW or STARTF_USESTDHANDLES;
  si.wShowWindow := SW_HIDE;
  si.hStdInput := 0;
  si.hStdOutput := hPipeOutputWrite;
  si.hStdError := hPipeErrorsWrite;

  (* Remember that if you want to execute an app with no parameters you nil the
    second parameter and use the first, you can also leave it as is with no
    problems.                                                                *)
  Res := CreateProcess(nil, pchar(CommandLine), nil, nil, true,
    CREATE_NEW_CONSOLE or NORMAL_PRIORITY_CLASS, @env, nil, si, pi);

  // Procedure will exit if CreateProcess fail
  if not Res then
  begin
    CloseHandle(hPipeOutputRead);
    CloseHandle(hPipeOutputWrite);
    CloseHandle(hPipeErrorsRead);
    CloseHandle(hPipeErrorsWrite);
    Exit;
  end;
  CloseHandle(hPipeOutputWrite);
  CloseHandle(hPipeErrorsWrite);

  //Read output pipe
  Stream := TMemoryStream.Create;
  try
    while true do
    begin
      bTest := ReadFile(hPipeOutputRead, szBuffer, 256, dwNumberOfBytesRead,
        nil);
      if not bTest then
      begin
        break;
      end;
      Stream.Write(szBuffer, dwNumberOfBytesRead);
    end;
    Stream.Position := 0;
    Output.LoadFromStream(Stream);
  finally
    Stream.Free;
  end;

  //Read error pipe
  Stream := TMemoryStream.Create;
  try
    while true do
    begin
      bTest := ReadFile(hPipeErrorsRead, szBuffer, 256, dwNumberOfBytesRead,
        nil);
      if not bTest then
      begin
        break;
      end;
      Stream.Write(szBuffer, dwNumberOfBytesRead);
    end;
    Stream.Position := 0;
    Errors.LoadFromStream(Stream);
  finally
    Stream.Free;
  end;

  WaitForSingleObject(pi.hProcess, INFINITE);
  CloseHandle(pi.hProcess);
  CloseHandle(hPipeOutputRead);
  CloseHandle(hPipeErrorsRead);
end;

  if not Res then
  begin
    CloseHandle(hPipeOutputRead);
    CloseHandle(hPipeOutputWrite);
    CloseHandle(hPipeErrorsRead);
    CloseHandle(hPipeErrorsWrite);
    Exit;
  end;
  CloseHandle(hPipeOutputWrite);
  CloseHandle(hPipeErrorsWrite);

procedure ExecConsoleApp(CommandLine: AnsiString; Output: TStringList; Errors:
  TStringList);
var
  sa: TSECURITYATTRIBUTES;
  si: TSTARTUPINFO;
  pi: TPROCESSINFORMATION;
  hPipeOutputRead: THANDLE;
  hPipeOutputWrite: THANDLE;
  hPipeErrorsRead: THANDLE;
  hPipeErrorsWrite: THANDLE;
  Res, bTest: Boolean;
  env: array[0..100] of Char;
  szBuffer: array[0..256] of Char;
  dwNumberOfBytesRead: DWORD;
  Stream: TMemoryStream;
begin
try
  sa.nLength := sizeof(sa);
  sa.bInheritHandle := true;
  sa.lpSecurityDescriptor := nil;
  CreatePipe(hPipeOutputRead, hPipeOutputWrite, @sa, 0);
  CreatePipe(hPipeErrorsRead, hPipeErrorsWrite, @sa, 0);
  ZeroMemory(@env, SizeOf(env));
  ZeroMemory(@si, SizeOf(si));
  ZeroMemory(@pi, SizeOf(pi));
  si.cb := SizeOf(si);
  si.dwFlags := STARTF_USESHOWWINDOW or STARTF_USESTDHANDLES;
  si.wShowWindow := SW_HIDE;
  si.hStdInput := 0;
  si.hStdOutput := hPipeOutputWrite;
  si.hStdError := hPipeErrorsWrite;

  (* Remember that if you want to execute an app with no parameters you nil the
    second parameter and use the first, you can also leave it as is with no
    problems.                                                                *)
  Res := CreateProcess(nil, pchar(CommandLine), nil, nil, true,
    CREATE_NEW_CONSOLE or NORMAL_PRIORITY_CLASS, @env, nil, si, pi);

  // Procedure will exit if CreateProcess fail
  if not Res then
   raise;

  //Read output pipe
  Stream := TMemoryStream.Create;
  try
    while true do
    begin
      bTest := ReadFile(hPipeOutputRead, szBuffer, 256, dwNumberOfBytesRead,
        nil);
      if not bTest then
      begin
        break;
      end;
      Stream.Write(szBuffer, dwNumberOfBytesRead);
    end;
    Stream.Position := 0;
    Output.LoadFromStream(Stream);
  finally
    Stream.Free;
  end;

  //Read error pipe
  Stream := TMemoryStream.Create;
  try
    while true do
    begin
      bTest := ReadFile(hPipeErrorsRead, szBuffer, 256, dwNumberOfBytesRead,
        nil);
      if not bTest then
      begin
        break;
      end;
      Stream.Write(szBuffer, dwNumberOfBytesRead);
    end;
    Stream.Position := 0;
    Errors.LoadFromStream(Stream);
  finally
    Stream.Free;
  end;

  WaitForSingleObject(pi.hProcess, INFINITE);
finally
  CloseHandle(pi.hProcess);
  CloseHandle(hPipeOutputRead);
  CloseHandle(hPipeErrorsRead);
  CloseHandle(hPipeOutputWrite);
  CloseHandle(hPipeErrorsWrite);
end;
end;