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
|
/* This is a fuzz test of the websocket extensions parser */
#define WIN32_EXPORT
#include <cstdio>
#include <string>
#include <cstdlib>
/* We test the websocket extensions parser */
#include "../src/WebSocketExtensions.h"
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
/* This one must not return shared compressor, or above 13 */
{
auto [negCompression, negCompressionWindow, negInflationWindow, response] = uWS::negotiateCompression(true, 13, 0, std::string_view((char *) data, size));
if (negCompression) {
/* If we want dedicated compression, we must not end up here! */
free((void *) (negCompressionWindow == 0));
/* Some more checks (freeing 0 does nothing) */
free((void *) (negCompressionWindow > 13));
free((void *) (negInflationWindow != 0));
free((void *) (negInflationWindow < 0 || negInflationWindow > 15 || negCompressionWindow < 0 || negCompressionWindow > 15));
}
}
/* This one must not return anything over 0 (only shared) */
{
auto [negCompression, negCompressionWindow, negInflationWindow, response] = uWS::negotiateCompression(true, 0, 0, std::string_view((char *) data, size));
if (negCompression) {
/* If we want shared compression, we must not end up here! */
free((void *) (negCompressionWindow != 0));
}
}
/* Whatever, this one must not negotiate anything */
{
auto [negCompression, negCompressionWindow, negInflationWindow, response] = uWS::negotiateCompression(false, 13, 15, std::string_view((char *) data, size));
if (negCompression) {
free((void *) -1);
}
}
return 0;
}
|
