mirror of https://github.com/acidanthera/audk.git
90 lines
2.4 KiB
C
90 lines
2.4 KiB
C
/** @file
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Translate the IPv4 address into a network name
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Copyright (c) 2011, Intel Corporation
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#include <errno.h>
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#include <netdb.h>
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#include <stdio.h>
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#include <string.h>
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#include <Uefi.h>
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#include <unistd.h>
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#include <Library/DebugLib.h>
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#include <Library/UefiLib.h>
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#include <sys/socket.h>
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/**
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Translate the IPv4 address into a network name
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@param [in] Argc The number of arguments
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@param [in] Argv The argument value array
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@retval 0 The application exited normally.
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@retval Other An error occurred.
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**/
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int
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main (
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IN int Argc,
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IN char **Argv
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)
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{
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UINT32 RemoteAddress[4];
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UINT8 IpAddress[4];
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struct netent * pNetwork;
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//
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// Determine if the IPv4 address is specified
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//
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if (( 2 != Argc )
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|| ( 4 != sscanf ( Argv[1],
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"%d.%d.%d.%d",
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&RemoteAddress[0],
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&RemoteAddress[1],
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&RemoteAddress[2],
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&RemoteAddress[3]))
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|| ( 255 < RemoteAddress [0])
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|| ( 255 < RemoteAddress [1])
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|| ( 255 < RemoteAddress [2])
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|| ( 255 < RemoteAddress [3])) {
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Print ( L"%a <IPv4 Address>\r\n", Argv[0]);
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}
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else {
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//
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// Translate the address into a network name
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//
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IpAddress[0] = (UINT8)RemoteAddress[0];
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IpAddress[1] = (UINT8)RemoteAddress[1];
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IpAddress[2] = (UINT8)RemoteAddress[2];
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IpAddress[3] = (UINT8)RemoteAddress[3];
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pNetwork = getnetbyaddr ( *(uint32_t *)&IpAddress[0], AF_INET );
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if ( NULL == pNetwork ) {
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Print ( L"ERROR - network not found, errno: %d\r\n", errno );
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}
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else {
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Print ( L"%a: %d.%d.%d.%d, 0x%08x\r\n",
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pNetwork->n_name,
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IpAddress[0],
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IpAddress[1],
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IpAddress[2],
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IpAddress[3],
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pNetwork->n_net );
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}
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}
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//
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// All done
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//
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return errno;
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}
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