AppPkg/Applications/Sockets/GetNetByName/GetNetByName.c

   1 /** @file
   2   Translate the network name into an IP address
   3
   4   Copyright (c) 2011, Intel Corporation
   5   All rights reserved. This program and the accompanying materials
   6   are licensed and made available under the terms and conditions of the BSD License
   7   which accompanies this distribution.  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 **/
  14
  15 #include <errno.h>
  16 #include <netdb.h>
  17 #include <string.h>
  18 #include <Uefi.h>
  19 #include <unistd.h>
  20
  21 #include <Library/DebugLib.h>
  22 #include <Library/UefiLib.h>
  23
  24 #include <sys/socket.h>
  25
  26 char mBuffer[65536];
  27
  28
  29 /**
  30   Translate the network name into an IP address
  31
  32   @param [in] Argc  The number of arguments
  33   @param [in] Argv  The argument value array
  34
  35   @retval  0        The application exited normally.
  36   @retval  Other    An error occurred.
  37 **/
  38 int
  39 main (
  40   IN int Argc,
  41   IN char **Argv
  42   )
  43 {
  44   int AppStatus;
  45   UINT8 * pIpAddress;
  46   struct netent * pNetwork;
  47
  48   DEBUG (( DEBUG_INFO,
  49             "%a starting\r\n",
  50             Argv[0]));
  51
  52   //
  53   //  Determine if the network name is specified
  54   //
  55   AppStatus = 0;
  56   if ( 1 == Argc ) {
  57     Print ( L"%a  <network name>\r\n", Argv[0]);
  58   }
  59   else {
  60     //
  61     //  Translate the net name
  62     //
  63     pNetwork = getnetbyname ( Argv[1]);
  64     if ( NULL == pNetwork ) {
  65       Print ( L"ERROR - network not found, errno: %d\r\n", errno );
  66     }
  67     else {
  68       pIpAddress = (UINT8 *)(UINTN)&pNetwork->n_net;
  69       Print ( L"%a: Type %d, %d.%d.%d.%d\r\n",
  70               pNetwork->n_name,
  71               pNetwork->n_addrtype,
  72               pIpAddress[0],
  73               pIpAddress[1],
  74               pIpAddress[2],
  75               pIpAddress[3]);
  76     }
  77   }
  78
  79   //
  80   //  All done
  81   //
  82   return errno;
  83 }