/** @file | |
Translate the IPv4 address into a network name | |
Copyright (c) 2011-2012, Intel Corporation | |
All rights reserved. This program and the accompanying materials | |
are licensed and made available under the terms and conditions of the BSD License | |
which accompanies this distribution. The full text of the license may be found at | |
http://opensource.org/licenses/bsd-license.php | |
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, | |
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. | |
**/ | |
#include <errno.h> | |
#include <netdb.h> | |
#include <stdio.h> | |
#include <string.h> | |
#include <Uefi.h> | |
#include <unistd.h> | |
#include <Library/DebugLib.h> | |
#include <Library/UefiLib.h> | |
#include <sys/socket.h> | |
/** | |
Translate the IPv4 address into a network name | |
@param [in] Argc The number of arguments | |
@param [in] Argv The argument value array | |
@retval 0 The application exited normally. | |
@retval Other An error occurred. | |
**/ | |
int | |
main ( | |
IN int Argc, | |
IN char **Argv | |
) | |
{ | |
UINT32 RemoteAddress[4]; | |
UINT8 IpAddress[4]; | |
struct netent * pNetwork; | |
// | |
// Determine if the IPv4 address is specified | |
// | |
if (( 2 != Argc ) | |
|| ( 4 != sscanf ( Argv[1], | |
"%d.%d.%d.%d", | |
&RemoteAddress[0], | |
&RemoteAddress[1], | |
&RemoteAddress[2], | |
&RemoteAddress[3])) | |
|| ( 255 < RemoteAddress[0]) | |
|| ( 255 < RemoteAddress[1]) | |
|| ( 255 < RemoteAddress[2]) | |
|| ( 255 < RemoteAddress[3])) { | |
Print ( L"%a <IPv4 Address>\r\n", Argv[0]); | |
} | |
else { | |
// | |
// Translate the address into a network name | |
// | |
IpAddress[0] = (UINT8)RemoteAddress[0]; | |
IpAddress[1] = (UINT8)RemoteAddress[1]; | |
IpAddress[2] = (UINT8)RemoteAddress[2]; | |
IpAddress[3] = (UINT8)RemoteAddress[3]; | |
pNetwork = getnetbyaddr ( *(uint32_t *)&IpAddress[0], AF_INET ); | |
if ( NULL == pNetwork ) { | |
Print ( L"ERROR - network not found, errno: %d\r\n", errno ); | |
} | |
else { | |
Print ( L"%a: %d.%d.%d.%d, 0x%08x\r\n", | |
pNetwork->n_name, | |
IpAddress[0], | |
IpAddress[1], | |
IpAddress[2], | |
IpAddress[3], | |
pNetwork->n_net ); | |
} | |
} | |
// | |
// All done | |
// | |
return errno; | |
} |