audk/AppPkg/Applications/Sockets/GetNetByName/GetNetByName.c

/** @file
  Translate the network name into an IP address

  Copyright (c) 2011, Intel Corporation
  All rights reserved. This program and the accompanying materials
  are licensed and made available under the terms and conditions of the BSD License
  which accompanies this distribution.  The full text of the license may be found at
  http://opensource.org/licenses/bsd-license.php

  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.

**/

#include <errno.h>
#include <netdb.h>
#include <string.h>
#include <Uefi.h>
#include <unistd.h>

#include <Library/DebugLib.h>
#include <Library/UefiLib.h>

#include <sys/socket.h>

char mBuffer[65536];


/**
  Translate the network name into an IP address

  @param [in] Argc  The number of arguments
  @param [in] Argv  The argument value array

  @retval  0        The application exited normally.
  @retval  Other    An error occurred.
**/
int
main (
  IN int Argc,
  IN char **Argv
  )
{
  int AppStatus;
  UINT8 * pIpAddress;
  struct netent * pNetwork;

  DEBUG (( DEBUG_INFO,
            "%a starting\r\n",
            Argv[0]));

  //
  //  Determine if the network name is specified
  //
  AppStatus = 0;
  if ( 1 == Argc ) {
    Print ( L"%a  <network name>\r\n", Argv[0]);
  }
  else {
    //
    //  Translate the net name
    //
    pNetwork = getnetbyname ( Argv[1]);
    if ( NULL == pNetwork ) {
      Print ( L"ERROR - network not found, errno: %d\r\n", errno );
    }
    else {
      pIpAddress = (UINT8 *)(UINTN)&pNetwork->n_net;
      Print ( L"%a: Type %d, %d.%d.%d.%d\r\n",
              pNetwork->n_name,
              pNetwork->n_addrtype,
              pIpAddress[0],
              pIpAddress[1],
              pIpAddress[2],
              pIpAddress[3]);
    }
  }

  //
  //  All done
  //
  return errno;
}