1 /** @file 2 Translate the port number into a service name 3 4 Copyright (c) 2011 - 2012, Intel Corporation. All rights reserved.<BR> 5 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 #include <errno.h> 14 #include <netdb.h> 15 #include <stdio.h> 16 #include <string.h> 17 #include <Uefi.h> 18 #include <unistd.h> 19 20 #include <arpa/nameser.h> 21 #include <arpa/nameser_compat.h> 22 23 #include <Library/DebugLib.h> 24 #include <Library/UefiLib.h> 25 26 #include <sys/socket.h> 27 28 /** 29 Translate the IP address into a host name 30 31 @param[in] Argc The number of arguments 32 @param[in] Argv The argument value array 33 34 @retval 0 The application exited normally. 35 @retval Other An error occurred. 36 **/ 37 int 38 main ( 39 IN int Argc, 40 IN char **Argv 41 ) 42 { 43 UINTN Index; 44 UINT8 IpAddress[4]; 45 struct hostent * pHost; 46 UINT8 * pIpAddress; 47 char ** ppName; 48 UINT32 RemoteAddress[4]; 49 50 // 51 // Determine if the IPv4 address is specified 52 // 53 if (( 2 != Argc ) 54 || ( 4 != sscanf ( Argv[1], 55 "%d.%d.%d.%d", 56 &RemoteAddress[0], 57 &RemoteAddress[1], 58 &RemoteAddress[2], 59 &RemoteAddress[3])) 60 || ( 255 < RemoteAddress[0]) 61 || ( 255 < RemoteAddress[1]) 62 || ( 255 < RemoteAddress[2]) 63 || ( 255 < RemoteAddress[3])) { 64 Print ( L"%a <IPv4 Address>\r\n", Argv[0]); 65 } 66 else { 67 // 68 // Translate the address into a host name 69 // 70 IpAddress[0] = (UINT8)RemoteAddress[0]; 71 IpAddress[1] = (UINT8)RemoteAddress[1]; 72 IpAddress[2] = (UINT8)RemoteAddress[2]; 73 IpAddress[3] = (UINT8)RemoteAddress[3]; 74 pHost = gethostbyaddr ( (const char *)&IpAddress[0], INADDRSZ, AF_INET ); 75 if ( NULL == pHost ) { 76 Print ( L"ERROR - host not found, h_errno: %d\r\n", h_errno ); 77 } 78 else { 79 pIpAddress = (UINT8 *)pHost->h_addr_list[ 0 ]; 80 Print ( L"%d.%d.%d.%d, %a\r\n", 81 pIpAddress[0], 82 pIpAddress[1], 83 pIpAddress[2], 84 pIpAddress[3], 85 pHost->h_name ); 86 87 // 88 // Display the other addresses 89 // 90 for ( Index = 1; NULL != pHost->h_addr_list[Index]; Index++ ) { 91 pIpAddress = (UINT8 *)pHost->h_addr_list[Index]; 92 Print ( L"%d.%d.%d.%d\r\n", 93 pIpAddress[0], 94 pIpAddress[1], 95 pIpAddress[2], 96 pIpAddress[3]); 97 } 98 99 // 100 // Display the list of aliases 101 // 102 ppName = pHost->h_aliases; 103 if (( NULL == ppName ) || ( NULL == *ppName )) { 104 Print ( L"No aliases\r\n" ); 105 } 106 else { 107 Print ( L"Aliases: " ); 108 while ( NULL != *ppName ) { 109 // 110 // Display the alias 111 // 112 Print ( L"%a", *ppName ); 113 114 // 115 // Set the next alias 116 // 117 ppName += 1; 118 if ( NULL != *ppName ) { 119 Print ( L", " ); 120 } 121 } 122 Print ( L"\r\n" ); 123 } 124 } 125 } 126 127 // 128 // All done 129 // 130 return errno; 131 } 132
