blob: 771719a8ff3ff5bc4db7213f40439a661ada58b1 (
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
|
#include "ndpi_api.h"
#include "fuzz_common_code.h"
#include "reader_util.h"
#include <stdint.h>
#include <stdio.h>
#include "fuzzer/FuzzedDataProvider.h"
char *_debug_protocols;
int nDPI_LogLevel = 0;
u_int32_t current_ndpi_memory = 0, max_ndpi_memory = 0;
u_int8_t enable_protocol_guess = 1, enable_payload_analyzer = 0;
u_int8_t enable_flow_stats = 0;
u_int8_t human_readeable_string_len = 5;
u_int8_t max_num_udp_dissected_pkts = 16 /* 8 is enough for most protocols, Signal requires more */, max_num_tcp_dissected_pkts = 80 /* due to telnet */;
ndpi_init_prefs init_prefs = ndpi_track_flow_payload | ndpi_enable_ja3_plus | ndpi_enable_tcp_ack_payload_heuristic;
int enable_malloc_bins = 0;
int malloc_size_stats = 0;
int max_malloc_bins = 14;
struct ndpi_bin malloc_bins; /* unused */
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
FuzzedDataProvider fuzzed_data(data, size);
int inverted_logic;
NDPI_PROTOCOL_BITMASK bitmask;
char *str;
/* To allow memory allocation failures */
fuzz_set_alloc_callbacks_and_seed(size);
inverted_logic = size % 2; /* pseudo-random */
if(inverted_logic) {
NDPI_BITMASK_SET_ALL(bitmask);
} else {
NDPI_BITMASK_RESET(bitmask);
}
str = (char *)ndpi_malloc(size + 1); /* We need a null-terminated string */
if(str) {
memcpy(str, data, size);
str[size] = '\0';
parse_proto_name_list(str, &bitmask, inverted_logic);
ndpi_free(str);
}
return 0;
}
|