blob: fc4a1d9261570e3b6619a70f61456933928c73b5 (
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
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
|
// Copyright (c) 2020 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include <banman.h>
#include <fs.h>
#include <netaddress.h>
#include <test/fuzz/FuzzedDataProvider.h>
#include <test/fuzz/fuzz.h>
#include <test/fuzz/util.h>
#include <util/system.h>
#include <cstdint>
#include <limits>
#include <string>
#include <vector>
namespace {
int64_t ConsumeBanTimeOffset(FuzzedDataProvider& fuzzed_data_provider) noexcept
{
// Avoid signed integer overflow by capping to int32_t max:
// banman.cpp:137:73: runtime error: signed integer overflow: 1591700817 + 9223372036854775807 cannot be represented in type 'long'
return fuzzed_data_provider.ConsumeIntegralInRange<int64_t>(std::numeric_limits<int64_t>::min(), std::numeric_limits<int32_t>::max());
}
} // namespace
void initialize()
{
InitializeFuzzingContext();
}
void test_one_input(const std::vector<uint8_t>& buffer)
{
FuzzedDataProvider fuzzed_data_provider{buffer.data(), buffer.size()};
const fs::path banlist_file = GetDataDir() / "fuzzed_banlist.dat";
fs::remove(banlist_file);
{
BanMan ban_man{banlist_file, nullptr, ConsumeBanTimeOffset(fuzzed_data_provider)};
while (fuzzed_data_provider.ConsumeBool()) {
switch (fuzzed_data_provider.ConsumeIntegralInRange<int>(0, 11)) {
case 0: {
ban_man.Ban(ConsumeNetAddr(fuzzed_data_provider),
ConsumeBanTimeOffset(fuzzed_data_provider), fuzzed_data_provider.ConsumeBool());
break;
}
case 1: {
ban_man.Ban(ConsumeSubNet(fuzzed_data_provider),
ConsumeBanTimeOffset(fuzzed_data_provider), fuzzed_data_provider.ConsumeBool());
break;
}
case 2: {
ban_man.ClearBanned();
break;
}
case 4: {
ban_man.IsBanned(ConsumeNetAddr(fuzzed_data_provider));
break;
}
case 5: {
ban_man.IsBanned(ConsumeSubNet(fuzzed_data_provider));
break;
}
case 6: {
ban_man.Unban(ConsumeNetAddr(fuzzed_data_provider));
break;
}
case 7: {
ban_man.Unban(ConsumeSubNet(fuzzed_data_provider));
break;
}
case 8: {
banmap_t banmap;
ban_man.GetBanned(banmap);
break;
}
case 9: {
ban_man.DumpBanlist();
break;
}
case 11: {
ban_man.Discourage(ConsumeNetAddr(fuzzed_data_provider));
break;
}
}
}
}
fs::remove(banlist_file);
}
|
