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   This program and the accompanying materials are licensed and made available under
   6   the terms and conditions of the BSD License that accompanies this distribution.
   7   The full text of the license may be found at
   8   http://opensource.org/licenses/bsd-license.php.
   9
  10   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  11   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  12 **/
  13 #include <errno.h>
  14 #include <netdb.h>
  15 #include <string.h>
  16 #include <Uefi.h>
  17 #include <unistd.h>
  18
  19 #include <Library/DebugLib.h>
  20 #include <Library/UefiLib.h>
  21
  22 #include <sys/socket.h>
  23
  24 char mBuffer[65536];
  25
  26
  27 /** Translate the network name into an IP address
  28
  29   @param[in]  Argc  The number of arguments
  30   @param[in]  Argv  The argument value array
  31
  32   @retval  0        The application exited normally.
  33   @retval  Other    An error occurred.
  34 **/
  35 int
  36 main (
  37   IN int Argc,
  38   IN char **Argv
  39   )
  40 {
  41   UINT8 * pIpAddress;
  42   struct netent * pNetwork;
  43
  44   DEBUG (( DEBUG_INFO,
  45             "%a starting\r\n",
  46             Argv[0]));
  47
  48   //  Determine if the network name is specified
  49   if ( 1 == Argc ) {
  50     Print ( L"%a  <network name>\r\n", Argv[0]);
  51   }
  52   else {
  53     //  Translate the net name
  54     pNetwork = getnetbyname ( Argv[1]);
  55     if ( NULL == pNetwork ) {
  56       Print ( L"ERROR - network not found, errno: %d\r\n", errno );
  57     }
  58     else {
  59       pIpAddress = (UINT8 *)(UINTN)&pNetwork->n_net;
  60       Print ( L"%a: Type %d, %d.%d.%d.%d\r\n",
  61               pNetwork->n_name,
  62               pNetwork->n_addrtype,
  63               pIpAddress[0],
  64               pIpAddress[1],
  65               pIpAddress[2],
  66               pIpAddress[3]);
  67     }
  68   }
  69   //  All done
  70   return errno;
  71 }