AppPkg/Applications/Sockets/GetNetByName/GetNetByName.c

   1 /** @file
   2   Translate the network name into an IP address
   3
   4   Copyright (c) 2011 - 2014, Intel Corporation. All rights reserved.<BR>
   5   SPDX-License-Identifier: BSD-2-Clause-Patent
   6 **/
   7 #include <errno.h>
   8 #include <netdb.h>
   9 #include <string.h>
  10 #include <Uefi.h>
  11 #include <unistd.h>
  12
  13 #include <Library/DebugLib.h>
  14 #include <Library/UefiLib.h>
  15
  16 #include <sys/socket.h>
  17
  18 char mBuffer[65536];
  19
  20
  21 /** Translate the network name into an IP address
  22
  23   @param[in]  Argc  The number of arguments
  24   @param[in]  Argv  The argument value array
  25
  26   @retval  0        The application exited normally.
  27   @retval  Other    An error occurred.
  28 **/
  29 int
  30 main (
  31   IN int Argc,
  32   IN char **Argv
  33   )
  34 {
  35   UINT8 * pIpAddress;
  36   struct netent * pNetwork;
  37
  38   DEBUG (( DEBUG_INFO,
  39             "%a starting\r\n",
  40             Argv[0]));
  41
  42   //  Determine if the network name is specified
  43   if ( 1 == Argc ) {
  44     Print ( L"%a  <network name>\r\n", Argv[0]);
  45   }
  46   else {
  47     //  Translate the net name
  48     pNetwork = getnetbyname ( Argv[1]);
  49     if ( NULL == pNetwork ) {
  50       Print ( L"ERROR - network not found, errno: %d\r\n", errno );
  51     }
  52     else {
  53       pIpAddress = (UINT8 *)(UINTN)&pNetwork->n_net;
  54       Print ( L"%a: Type %d, %d.%d.%d.%d\r\n",
  55               pNetwork->n_name,
  56               pNetwork->n_addrtype,
  57               pIpAddress[0],
  58               pIpAddress[1],
  59               pIpAddress[2],
  60               pIpAddress[3]);
  61     }
  62   }
  63   //  All done
  64   return errno;
  65 }