aboutsummaryrefslogtreecommitdiff
path: root/src/test/fuzz/i2p.cpp
blob: 51517187a0ae3bb0ca0a4525e6752ed4ac01847e (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
// Copyright (c) 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 <common/args.h>
#include <i2p.h>
#include <netaddress.h>
#include <netbase.h>
#include <test/fuzz/FuzzedDataProvider.h>
#include <test/fuzz/fuzz.h>
#include <test/fuzz/util.h>
#include <test/fuzz/util/net.h>
#include <test/util/setup_common.h>
#include <util/fs_helpers.h>
#include <util/threadinterrupt.h>

void initialize_i2p()
{
    static const auto testing_setup = MakeNoLogFileContext<>();
}

FUZZ_TARGET(i2p, .init = initialize_i2p)
{
    FuzzedDataProvider fuzzed_data_provider{buffer.data(), buffer.size()};

    SetMockTime(ConsumeTime(fuzzed_data_provider));

    // Mock CreateSock() to create FuzzedSock.
    auto CreateSockOrig = CreateSock;
    CreateSock = [&fuzzed_data_provider](int, int, int) {
        return std::make_unique<FuzzedSock>(fuzzed_data_provider);
    };

    const fs::path private_key_path = gArgs.GetDataDirNet() / "fuzzed_i2p_private_key";
    const CService addr{in6_addr(IN6ADDR_LOOPBACK_INIT), 7656};
    const Proxy sam_proxy{addr, false};
    CThreadInterrupt interrupt;

    i2p::sam::Session session{private_key_path, sam_proxy, &interrupt};
    i2p::Connection conn;

    if (session.Listen(conn)) {
        if (session.Accept(conn)) {
            try {
                (void)conn.sock->RecvUntilTerminator('\n', 10ms, interrupt, i2p::sam::MAX_MSG_SIZE);
            } catch (const std::runtime_error&) {
            }
        }
    }

    bool proxy_error;

    if (session.Connect(CService{}, conn, proxy_error)) {
        try {
            conn.sock->SendComplete("verack\n", 10ms, interrupt);
        } catch (const std::runtime_error&) {
        }
    }

    fs::remove_all(private_key_path);

    CreateSock = CreateSockOrig;
}