blob: 205c9e4f454923248dc7d9dfaaab6087fcdda379 (
plain)
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
|
#ifdef __cplusplus
extern "C" {
#endif
#include <fcntl.h>
#include <libhfuzz/libhfuzz.h>
#include <setjmp.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#include "magic.h"
/*
* Compile as:
* honggfuzz/hfuzz_cc/hfuzz-clang -I ./file-5.37/ honggfuzz/examples/file/persistent-file.c -o
* persistent-file ./file-5.37/src/.libs/libmagic.a -lz
*/
magic_t ms = NULL;
int LLVMFuzzerInitialize(int* argc, char*** argv) {
ms = magic_open(MAGIC_CONTINUE | MAGIC_CHECK | MAGIC_COMPRESS);
if (ms == NULL) {
fprintf(stderr, "magic_open() failed\n");
abort();
return 1;
}
const char* magic_file = "/usr/share/misc/magic.mgc";
if (*argc > 1) {
magic_file = (*argv)[1];
}
if (magic_load(ms, magic_file) == -1) {
fprintf(stderr, "magic_load() failed: %s\n", magic_error(ms));
magic_close(ms);
abort();
return 1;
}
return 0;
}
int LLVMFuzzerTestOneInput(const uint8_t* buf, size_t len) {
const char* type = magic_buffer(ms, buf, len);
if (type == NULL) {
printf("Type: [unknown]: %s\n", magic_error(ms));
} else {
printf("Type: '%s'\n", type);
}
return 0;
}
#ifdef __cplusplus
}
#endif
|
