AppPkg: Replace BSD License with BSD+Patent License

[mirror_edk2.git] / AppPkg / Applications / Sockets / GetHostByAddr / GetHostByAddr.c

/** @file\r
  Translate the port number into a service name\r
\r
  Copyright (c) 2011 - 2012, Intel Corporation. All rights reserved.<BR>\r
  SPDX-License-Identifier: BSD-2-Clause-Patent\r
**/\r
#include <errno.h>\r
#include <netdb.h>\r
#include <stdio.h>\r
#include <string.h>\r
#include <Uefi.h>\r
#include <unistd.h>\r
\r
#include <arpa/nameser.h>\r
#include <arpa/nameser_compat.h>\r
\r
#include <Library/DebugLib.h>\r
#include <Library/UefiLib.h>\r
\r
#include <sys/socket.h>\r
\r
/**\r
  Translate the IP address into a host name\r
\r
  @param[in] Argc   The number of arguments\r
  @param[in] Argv   The argument value array\r
\r
  @retval  0        The application exited normally.\r
  @retval  Other    An error occurred.\r
**/\r
int\r
main (\r
  IN int Argc,\r
  IN char **Argv\r
  )\r
{\r
  UINTN Index;\r
  UINT8 IpAddress[4];\r
  struct hostent * pHost;\r
  UINT8 * pIpAddress;\r
  char ** ppName;\r
  UINT32 RemoteAddress[4];\r
\r
  //\r
  //  Determine if the IPv4 address is specified\r
  //\r
  if (( 2 != Argc )\r
    || ( 4 != sscanf ( Argv[1],\r
                       "%d.%d.%d.%d",\r
                       &RemoteAddress[0],\r
                       &RemoteAddress[1],\r
                       &RemoteAddress[2],\r
                       &RemoteAddress[3]))\r
    || ( 255 < RemoteAddress[0])\r
    || ( 255 < RemoteAddress[1])\r
    || ( 255 < RemoteAddress[2])\r
    || ( 255 < RemoteAddress[3])) {\r
    Print ( L"%a  <IPv4 Address>\r\n", Argv[0]);\r
  }\r
  else {\r
    //\r
    //  Translate the address into a host name\r
    //\r
    IpAddress[0] = (UINT8)RemoteAddress[0];\r
    IpAddress[1] = (UINT8)RemoteAddress[1];\r
    IpAddress[2] = (UINT8)RemoteAddress[2];\r
    IpAddress[3] = (UINT8)RemoteAddress[3];\r
    pHost = gethostbyaddr ( (const char *)&IpAddress[0], INADDRSZ, AF_INET );\r
    if ( NULL == pHost ) {\r
      Print ( L"ERROR - host not found, h_errno: %d\r\n", h_errno );\r
    }\r
    else {\r
      pIpAddress = (UINT8 *)pHost->h_addr_list[ 0 ];\r
      Print ( L"%d.%d.%d.%d, %a\r\n",\r
              pIpAddress[0],\r
              pIpAddress[1],\r
              pIpAddress[2],\r
              pIpAddress[3],\r
              pHost->h_name );\r
\r
      //\r
      //  Display the other addresses\r
      //\r
      for ( Index = 1; NULL != pHost->h_addr_list[Index]; Index++ ) {\r
        pIpAddress = (UINT8 *)pHost->h_addr_list[Index];\r
        Print ( L"%d.%d.%d.%d\r\n",\r
                pIpAddress[0],\r
                pIpAddress[1],\r
                pIpAddress[2],\r
                pIpAddress[3]);\r
      }\r
\r
      //\r
      //  Display the list of aliases\r
      //\r
      ppName = pHost->h_aliases;\r
      if (( NULL == ppName ) || ( NULL == *ppName )) {\r
        Print ( L"No aliases\r\n" );\r
      }\r
      else {\r
        Print ( L"Aliases: " );\r
        while ( NULL != *ppName ) {\r
          //\r
          //  Display the alias\r
          //\r
          Print ( L"%a", *ppName );\r
\r
          //\r
          //  Set the next alias\r
          //\r
          ppName += 1;\r
          if ( NULL != *ppName ) {\r
            Print ( L", " );\r
          }\r
        }\r
        Print ( L"\r\n" );\r
      }\r
    }\r
  }\r
\r
  //\r
  //  All done\r
  //\r
  return errno;\r
}\r