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
|
/*
* Copyright (c) 2019-2021 David Timber <mieabby@gmail.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include <arpa/inet.h>
#include <regex.h>
int main (const int argc, const char **args) {
static const int AF[2] = { AF_INET, AF_INET6 };
char buf[512];
uint8_t addr[16];
size_t i;
regex_t re_trim;
regmatch_t rm[2];
assert(regcomp(&re_trim, "(\\S+)", REG_EXTENDED) == 0);
while (fgets(buf, sizeof(buf), stdin) != NULL) {
if (regexec(&re_trim, buf, 2, rm, 0) != 0) {
goto CYCLE;
}
assert(rm[1].rm_so >= 0 && rm[1].rm_eo >= 0);
buf[rm[1].rm_eo] = 0;
for (i = 0; i < 2; i += 1) {
memset(addr, 0, sizeof(addr));
if (inet_pton(AF[i], buf + rm[1].rm_so, addr) != 0) {
printf(
"{ 0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x, "
"0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x }",
addr[0],
addr[1],
addr[2],
addr[3],
addr[4],
addr[5],
addr[6],
addr[7],
addr[8],
addr[9],
addr[10],
addr[11],
addr[12],
addr[13],
addr[14],
addr[15]);
break;
}
}
CYCLE:
printf("\n");
}
regfree(&re_trim);
return 0;
}
|
