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
main(IN int Argc,IN char ** Argv)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