1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
|
/** @file
Translate the port number into a service name
Copyright (c) 2011, 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 <arpa\nameser.h>
#include <arpa\nameser_compat.h>
#include <Library/DebugLib.h>
#include <Library/UefiLib.h>
#include <sys/socket.h>
/**
Translate the IP address into a host 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
)
{
UINTN Index;
UINT8 IpAddress[4];
struct hostent * pHost;
UINT8 * pIpAddress;
char ** ppName;
UINT32 RemoteAddress[4];
//
// 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 host name
//
IpAddress[0] = (UINT8)RemoteAddress[0];
IpAddress[1] = (UINT8)RemoteAddress[1];
IpAddress[2] = (UINT8)RemoteAddress[2];
IpAddress[3] = (UINT8)RemoteAddress[3];
pHost = gethostbyaddr ( (const char *)&IpAddress[0], INADDRSZ, AF_INET );
if ( NULL == pHost ) {
Print ( L"ERROR - host not found, h_errno: %d\r\n", h_errno );
}
else {
pIpAddress = (UINT8 *)pHost->h_addr_list[ 0 ];
Print ( L"%d.%d.%d.%d, %a\r\n",
pIpAddress[0],
pIpAddress[1],
pIpAddress[2],
pIpAddress[3],
pHost->h_name );
//
// Display the other addresses
//
for ( Index = 1; NULL != pHost->h_addr_list[Index]; Index++ ) {
pIpAddress = (UINT8 *)pHost->h_addr_list[Index];
Print ( L"%d.%d.%d.%d\r\n",
pIpAddress[0],
pIpAddress[1],
pIpAddress[2],
pIpAddress[3]);
}
//
// Display the list of aliases
//
ppName = pHost->h_aliases;
if (( NULL == ppName ) || ( NULL == *ppName )) {
Print ( L"No aliases\r\n" );
}
else {
Print ( L"Aliases: " );
while ( NULL != *ppName ) {
//
// Display the alias
//
Print ( L"%a", *ppName );
//
// Set the next alias
//
ppName += 1;
if ( NULL != *ppName ) {
Print ( L", " );
}
}
Print ( L"\r\n" );
}
}
}
//
// All done
//
return errno;
}
|
