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
|
/*
* Copyright(c) 2017 Tim Ruehsen
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include <config.h>
#include <assert.h> /* assert */
#include <stdint.h> /* uint8_t, uint32_t */
#include <stdlib.h> /* malloc, free */
#include <string.h> /* memcpy */
#include "idna.h"
#include "idn-free.h"
#include "fuzzer.h"
int
LLVMFuzzerTestOneInput (const uint8_t *data, size_t size)
{
char *domain;
char *out;
if (size > 1024)
return 0;
domain = (char *) malloc (size + 1);
assert (domain != NULL);
/* 0 terminate */
memcpy (domain, data, size);
domain[size] = 0;
if ((size & 3) == 0)
{
uint32_t *u32 = (uint32_t *) malloc (size);
size_t u32len;
uint32_t *data0, *out0;
data0 = (uint32_t *) malloc (size + 4);
assert (data0 != NULL);
memcpy (data0, data, size);
assert (u32 != NULL);
u32len = size / 4;
idna_to_unicode_44i (data0, size / 4, u32, &u32len, 0);
u32len = size / 4;
idna_to_unicode_44i (data0, size / 4, u32, &u32len,
IDNA_ALLOW_UNASSIGNED | IDNA_USE_STD3_ASCII_RULES);
free (u32);
data0[size / 4] = 0;
if (idna_to_unicode_4z4z (data0, &out0, 0) == IDNA_SUCCESS)
idn_free (out0);
if (idna_to_unicode_4z4z
(data0, &out0,
IDNA_ALLOW_UNASSIGNED | IDNA_USE_STD3_ASCII_RULES) == IDNA_SUCCESS)
idn_free (out0);
free (data0);
if (idna_to_unicode_8z4z (domain, &out0, 0) == IDNA_SUCCESS)
idn_free (out0);
if (idna_to_unicode_8z4z
(domain, &out0,
IDNA_ALLOW_UNASSIGNED | IDNA_USE_STD3_ASCII_RULES) == IDNA_SUCCESS)
idn_free (out0);
}
if (idna_to_unicode_8z8z (domain, &out, 0) == IDNA_SUCCESS)
idn_free (out);
if (idna_to_unicode_8z8z
(domain, &out,
IDNA_ALLOW_UNASSIGNED | IDNA_USE_STD3_ASCII_RULES) == IDNA_SUCCESS)
idn_free (out);
if (idna_to_unicode_8zlz (domain, &out, 0) == IDNA_SUCCESS)
idn_free (out);
if (idna_to_unicode_8zlz
(domain, &out,
IDNA_ALLOW_UNASSIGNED | IDNA_USE_STD3_ASCII_RULES) == IDNA_SUCCESS)
idn_free (out);
if (idna_to_unicode_lzlz (domain, &out, 0) == IDNA_SUCCESS)
idn_free (out);
if (idna_to_unicode_lzlz
(domain, &out,
IDNA_ALLOW_UNASSIGNED | IDNA_USE_STD3_ASCII_RULES) == IDNA_SUCCESS)
idn_free (out);
free (domain);
return 0;
}
|
