1 /** @file 2 Translate the IPv4 address into a network name 3 4 Copyright (c) 2011-2012, 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 <stdio.h> 18 #include <string.h> 19 #include <Uefi.h> 20 #include <unistd.h> 21 22 #include <Library/DebugLib.h> 23 #include <Library/UefiLib.h> 24 25 #include <sys/socket.h> 26 27 /** 28 Translate the IPv4 address into a network name 29 30 @param [in] Argc The number of arguments 31 @param [in] Argv The argument value array 32 33 @retval 0 The application exited normally. 34 @retval Other An error occurred. 35 **/ 36 int 37 main ( 38 IN int Argc, 39 IN char **Argv 40 ) 41 { 42 UINT32 RemoteAddress[4]; 43 UINT8 IpAddress[4]; 44 struct netent * pNetwork; 45 46 // 47 // Determine if the IPv4 address is specified 48 // 49 if (( 2 != Argc ) 50 || ( 4 != sscanf ( Argv[1], 51 "%d.%d.%d.%d", 52 &RemoteAddress[0], 53 &RemoteAddress[1], 54 &RemoteAddress[2], 55 &RemoteAddress[3])) 56 || ( 255 < RemoteAddress[0]) 57 || ( 255 < RemoteAddress[1]) 58 || ( 255 < RemoteAddress[2]) 59 || ( 255 < RemoteAddress[3])) { 60 Print ( L"%a <IPv4 Address>\r\n", Argv[0]); 61 } 62 else { 63 // 64 // Translate the address into a network name 65 // 66 IpAddress[0] = (UINT8)RemoteAddress[0]; 67 IpAddress[1] = (UINT8)RemoteAddress[1]; 68 IpAddress[2] = (UINT8)RemoteAddress[2]; 69 IpAddress[3] = (UINT8)RemoteAddress[3]; 70 pNetwork = getnetbyaddr ( *(uint32_t *)&IpAddress[0], AF_INET ); 71 if ( NULL == pNetwork ) { 72 Print ( L"ERROR - network not found, errno: %d\r\n", errno ); 73 } 74 else { 75 Print ( L"%a: %d.%d.%d.%d, 0x%08x\r\n", 76 pNetwork->n_name, 77 IpAddress[0], 78 IpAddress[1], 79 IpAddress[2], 80 IpAddress[3], 81 pNetwork->n_net ); 82 } 83 } 84 85 // 86 // All done 87 // 88 return errno; 89 } 90
