aboutsummaryrefslogtreecommitdiff
path: root/src/test/fuzz/connman.cpp
blob: c5702cf98e0ce364a9dfb19a744313220f7cb9d7 (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
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
// 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 <chainparams.h>
#include <chainparamsbase.h>
#include <net.h>
#include <netaddress.h>
#include <protocol.h>
#include <test/fuzz/FuzzedDataProvider.h>
#include <test/fuzz/fuzz.h>
#include <test/fuzz/util.h>
#include <util/translation.h>

#include <cstdint>
#include <vector>

void initialize_connman()
{
    InitializeFuzzingContext();
}

FUZZ_TARGET_INIT(connman, initialize_connman)
{
    FuzzedDataProvider fuzzed_data_provider{buffer.data(), buffer.size()};
    SetMockTime(ConsumeTime(fuzzed_data_provider));
    CConnman connman{fuzzed_data_provider.ConsumeIntegral<uint64_t>(), fuzzed_data_provider.ConsumeIntegral<uint64_t>(), fuzzed_data_provider.ConsumeBool()};
    CAddress random_address;
    CNetAddr random_netaddr;
    CNode random_node = ConsumeNode(fuzzed_data_provider);
    CService random_service;
    CSubNet random_subnet;
    std::string random_string;
    while (fuzzed_data_provider.ConsumeBool()) {
        switch (fuzzed_data_provider.ConsumeIntegralInRange<int>(0, 28)) {
        case 0:
            random_address = ConsumeAddress(fuzzed_data_provider);
            break;
        case 1:
            random_netaddr = ConsumeNetAddr(fuzzed_data_provider);
            break;
        case 2:
            random_service = ConsumeService(fuzzed_data_provider);
            break;
        case 3:
            random_subnet = ConsumeSubNet(fuzzed_data_provider);
            break;
        case 4:
            random_string = fuzzed_data_provider.ConsumeRandomLengthString(64);
            break;
        case 5: {
            std::vector<CAddress> addresses;
            while (fuzzed_data_provider.ConsumeBool()) {
                addresses.push_back(ConsumeAddress(fuzzed_data_provider));
            }
            // Limit nTimePenalty to int32_t to avoid signed integer overflow
            (void)connman.AddNewAddresses(addresses, ConsumeAddress(fuzzed_data_provider), fuzzed_data_provider.ConsumeIntegral<int32_t>());
            break;
        }
        case 6:
            connman.AddNode(random_string);
            break;
        case 7:
            connman.CheckIncomingNonce(fuzzed_data_provider.ConsumeIntegral<uint64_t>());
            break;
        case 8:
            connman.DisconnectNode(fuzzed_data_provider.ConsumeIntegral<NodeId>());
            break;
        case 9:
            connman.DisconnectNode(random_netaddr);
            break;
        case 10:
            connman.DisconnectNode(random_string);
            break;
        case 11:
            connman.DisconnectNode(random_subnet);
            break;
        case 12:
            connman.ForEachNode([](auto) {});
            break;
        case 13:
            connman.ForEachNodeThen([](auto) {}, []() {});
            break;
        case 14:
            (void)connman.ForNode(fuzzed_data_provider.ConsumeIntegral<NodeId>(), [&](auto) { return fuzzed_data_provider.ConsumeBool(); });
            break;
        case 15:
            (void)connman.GetAddresses(fuzzed_data_provider.ConsumeIntegral<size_t>(), fuzzed_data_provider.ConsumeIntegral<size_t>());
            break;
        case 16: {
            (void)connman.GetAddresses(random_node, fuzzed_data_provider.ConsumeIntegral<size_t>(), fuzzed_data_provider.ConsumeIntegral<size_t>());
            break;
        }
        case 17:
            (void)connman.GetDeterministicRandomizer(fuzzed_data_provider.ConsumeIntegral<uint64_t>());
            break;
        case 18:
            (void)connman.GetNodeCount(fuzzed_data_provider.PickValueInArray({CConnman::CONNECTIONS_NONE, CConnman::CONNECTIONS_IN, CConnman::CONNECTIONS_OUT, CConnman::CONNECTIONS_ALL}));
            break;
        case 19:
            connman.MarkAddressGood(random_address);
            break;
        case 20:
            (void)connman.OutboundTargetReached(fuzzed_data_provider.ConsumeBool());
            break;
        case 21:
            // Limit now to int32_t to avoid signed integer overflow
            (void)connman.PoissonNextSendInbound(fuzzed_data_provider.ConsumeIntegral<int32_t>(), fuzzed_data_provider.ConsumeIntegral<int>());
            break;
        case 22: {
            CSerializedNetMsg serialized_net_msg;
            serialized_net_msg.m_type = fuzzed_data_provider.ConsumeRandomLengthString(CMessageHeader::COMMAND_SIZE);
            serialized_net_msg.data = ConsumeRandomLengthByteVector(fuzzed_data_provider);
            connman.PushMessage(&random_node, std::move(serialized_net_msg));
            break;
        }
        case 23:
            connman.RemoveAddedNode(random_string);
            break;
        case 24: {
            const std::vector<bool> asmap = ConsumeRandomLengthBitVector(fuzzed_data_provider);
            if (SanityCheckASMap(asmap)) {
                connman.SetAsmap(asmap);
            }
            break;
        }
        case 25:
            connman.SetBestHeight(fuzzed_data_provider.ConsumeIntegral<int>());
            break;
        case 26:
            connman.SetNetworkActive(fuzzed_data_provider.ConsumeBool());
            break;
        case 27:
            connman.SetServices(random_service, static_cast<ServiceFlags>(fuzzed_data_provider.ConsumeIntegral<uint64_t>()));
            break;
        case 28:
            connman.SetTryNewOutboundPeer(fuzzed_data_provider.ConsumeBool());
            break;
        }
    }
    (void)connman.GetAddedNodeInfo();
    (void)connman.GetBestHeight();
    (void)connman.GetExtraFullOutboundCount();
    (void)connman.GetLocalServices();
    (void)connman.GetMaxOutboundTarget();
    (void)connman.GetMaxOutboundTimeframe();
    (void)connman.GetMaxOutboundTimeLeftInCycle();
    (void)connman.GetNetworkActive();
    std::vector<CNodeStats> stats;
    connman.GetNodeStats(stats);
    (void)connman.GetOutboundTargetBytesLeft();
    (void)connman.GetReceiveFloodSize();
    (void)connman.GetTotalBytesRecv();
    (void)connman.GetTotalBytesSent();
    (void)connman.GetTryNewOutboundPeer();
    (void)connman.GetUseAddrmanOutgoing();
}