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test: add plaintext & encrypted handshake tests (#3455)

This commit is contained in:
Charles Kerr 2022-07-16 15:25:44 -05:00 committed by GitHub
parent 46874dff91
commit fe91f04351
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
8 changed files with 484 additions and 63 deletions
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36
libtransmission/handshake.cc
View File

@ -135,24 +135,24 @@ struct tr_handshake
std::shared_ptr<tr_handshake_mediator> const mediator;
bool haveReadAnythingFromPeer;
bool haveSentBitTorrentHandshake;
tr_peerIo* io;
DH dh;
bool haveReadAnythingFromPeer = false;
bool haveSentBitTorrentHandshake = false;
tr_peerIo* io = nullptr;
DH dh = {};
handshake_state_t state;
tr_encryption_mode encryptionMode;
uint16_t pad_c_len;
uint16_t pad_d_len;
uint16_t ia_len;
uint32_t crypto_select;
uint32_t crypto_provide;
tr_sha1_digest_t myReq1;
struct event* timeout_timer;
uint16_t pad_c_len = {};
uint16_t pad_d_len = {};
uint16_t ia_len = {};
uint32_t crypto_select = {};
uint32_t crypto_provide = {};
tr_sha1_digest_t myReq1 = {};
struct event* timeout_timer = nullptr;
std::optional<tr_peer_id_t> peer_id;
tr_handshake_done_func done_func;
void* done_func_user_data;
tr_handshake_done_func done_func = nullptr;
void* done_func_user_data = nullptr;
};
/**
@ -474,7 +474,7 @@ static ReadState readYb(tr_handshake* handshake, struct evbuffer* inbuf)
/* cleanup */
evbuffer_free(outbuf);
return READ_LATER;
return READ_NOW;
}
// MSE spec: "Since the length of [PadB is] unknown,
@ -719,13 +719,15 @@ static ReadState readYa(tr_handshake* handshake, struct evbuffer* inbuf)
evbuffer_remove(inbuf, std::data(peer_public_key), std::size(peer_public_key));
handshake->dh.setPeerPublicKey(peer_public_key);
auto req1 = tr_sha1("req1"sv, handshake->dh.secret());
if (!req1)
if (auto const req1 = tr_sha1("req1"sv, handshake->dh.secret()); req1)
{
handshake->myReq1 = *req1;
}
else
{
tr_logAddTraceHand(handshake, "error while computing req1 hash after Ya");
return tr_handshakeDone(handshake, false);
}
handshake->myReq1 = *req1;
// send our public key to the peer
tr_logAddTraceHand(handshake, "sending B->A: Diffie Hellman Yb, PadB");

2
libtransmission/log.h
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@ -98,7 +98,7 @@ void tr_logAddMessage(
#define tr_logAddLevel(level, ...) \
do \
{ \
if (tr_logGetLevel() >= level) \
if (tr_logLevelIsActive(level)) \
{ \
tr_logAddMessage(__FILE__, __LINE__, level, __VA_ARGS__); \
} \

15
libtransmission/peer-io.cc
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@ -351,17 +351,16 @@ static void maybeSetCongestionAlgorithm(tr_socket_t socket, std::string const& a
#ifdef WITH_UTP
/* UTP callbacks */
static void utp_on_read(tr_peerIo* const io, uint8_t const* const buf, size_t const buflen)
void tr_peerIo::readBufferAdd(void const* data, size_t n_bytes)
{
if (auto const rc = evbuffer_add(io->inbuf.get(), buf, buflen); rc < 0)
if (auto const rc = evbuffer_add(inbuf.get(), data, n_bytes); rc < 0)
{
tr_logAddWarn(_("Couldn't write to peer"));
return;
}
tr_logAddTraceIo(io, fmt::format("utp_on_read got {} bytes", buflen));
tr_peerIoSetEnabled(io, TR_DOWN, true);
canReadWrapper(io);
tr_peerIoSetEnabled(this, TR_DOWN, true);
canReadWrapper(this);
}
static size_t utp_get_rb_size(tr_peerIo* const io)
@ -467,7 +466,7 @@ static uint64 utp_callback(utp_callback_arguments* args)
switch (args->callback_type)
{
case UTP_ON_READ:
utp_on_read(io, args->buf, args->len);
io->readBufferAdd(args->buf, args->len);
break;
case UTP_GET_READ_BUFFER_SIZE:
@ -491,7 +490,7 @@ static uint64 utp_callback(utp_callback_arguments* args)
#endif /* #ifdef WITH_UTP */
static tr_peerIo* tr_peerIoNew(
tr_peerIo* tr_peerIoNew(
tr_session* session,
tr_bandwidth* parent,
tr_address const* addr,
@ -504,7 +503,7 @@ static tr_peerIo* tr_peerIoNew(
{
TR_ASSERT(session != nullptr);
TR_ASSERT(session->events != nullptr);
TR_ASSERT(tr_amInEventThread(session));
auto lock = session->unique_lock();
#ifdef WITH_UTP
TR_ASSERT(socket.type == TR_PEER_SOCKET_TYPE_TCP || socket.type == TR_PEER_SOCKET_TYPE_UTP);

15
libtransmission/peer-io.h
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@ -112,6 +112,8 @@ public:
return inbuf.get();
}
void readBufferAdd(void const* data, size_t n_bytes);
[[nodiscard]] auto hasBandwidthLeft(tr_direction dir) noexcept
{
return bandwidth_.clamp(dir, 1024) > 0;
@ -304,6 +306,19 @@ tr_peerIo* tr_peerIoNewIncoming(
time_t current_time,
struct tr_peer_socket const socket);
// this is only public for testing purposes.
// production code should use tr_peerIoNewOutgoing() or tr_peerIoNewIncoming()
tr_peerIo* tr_peerIoNew(
tr_session* session,
tr_bandwidth* parent,
tr_address const* addr,
tr_port port,
time_t current_time,
tr_sha1_digest_t const* torrent_hash,
bool is_incoming,
bool is_seed,
struct tr_peer_socket const socket);
void tr_peerIoRefImpl(char const* file, int line, tr_peerIo* io);
#define tr_peerIoRef(io) tr_peerIoRefImpl(__FILE__, __LINE__, (io))

43
libtransmission/peer-mse.cc
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@ -13,18 +13,10 @@
#include "transmission.h"
#include "crypto-utils.h" // tr_sha1
#include "net.h" // includes the headers for htonl()
#include "peer-mse.h"
using namespace std::literals;
// source: https://stackoverflow.com/a/1001330/6568470
// nb: when we bump to std=C++20, use `std::endian`
static bool is_big_endian()
{
return htonl(47) == 47;
}
namespace wi
{
using key_t = math::wide_integer::uintwide_t<
@ -37,22 +29,12 @@ template<typename UIntWide>
auto import_bits(std::array<std::byte, UIntWide::my_width2 / std::numeric_limits<uint8_t>::digits> const& bigend_bin)
{
auto ret = UIntWide{};
static_assert(sizeof(UIntWide) == sizeof(bigend_bin));
if (is_big_endian())
for (auto const walk : bigend_bin)
{
for (auto walk = std::rbegin(bigend_bin), end = std::rend(bigend_bin); walk != end; ++walk)
{
ret <<= 8;
ret += static_cast<uint8_t>(*walk);
}
}
else
{
for (auto const walk : bigend_bin)
{
ret <<= 8;
ret += static_cast<uint8_t>(walk);
}
ret <<= 8;
ret += static_cast<uint8_t>(walk);
}
return ret;
@ -63,21 +45,10 @@ auto export_bits(UIntWide i)
{
auto ret = std::array<std::byte, UIntWide::my_width2 / std::numeric_limits<uint8_t>::digits>{};
if (is_big_endian())
for (auto walk = std::rbegin(ret), end = std::rend(ret); walk != end; ++walk)
{
for (auto& walk : ret)
{
walk = std::byte(static_cast<uint8_t>(i & 0xFF));
i >>= 8;
}
}
else
{
for (auto walk = std::rbegin(ret), end = std::rend(ret); walk != end; ++walk)
{
*walk = std::byte(static_cast<uint8_t>(i & 0xFF));
i >>= 8;
}
*walk = std::byte(static_cast<uint8_t>(i & 0xFF));
i >>= 8;
}
return ret;

2
libtransmission/peer-msgs.cc
View File

@ -227,7 +227,7 @@ using UniqueTimer = std::unique_ptr<struct event, EventDeleter>;
#define myLogMacro(msgs, level, text) \
do \
{ \
if (tr_logGetLevel() >= (level)) \
if (tr_logLevelIsActive(level)) \
{ \
tr_logAddMessage( \
__FILE__, \

1
tests/libtransmission/CMakeLists.txt
View File

@ -14,6 +14,7 @@ add_executable(libtransmission-test
file-piece-map-test.cc
file-test.cc
getopt-test.cc
handshake-test.cc
history-test.cc
json-test.cc
magnet-metainfo-test.cc

433
tests/libtransmission/handshake-test.cc Normal file
View File

@ -0,0 +1,433 @@
// This file Copyright (C) 2022 Mnemosyne LLC.
// It may be used under GPLv2 (SPDX: GPL-2.0), GPLv3 (SPDX: GPL-3.0),
// or any future license endorsed by Mnemosyne LLC.
// License text can be found in the licenses/ folder.
#include <array>
#include <cassert>
#include <cstring>
#include <string_view>
#include <event2/util.h>
#include "transmission.h"
#include "handshake.h"
#include "peer-io.h"
#include "session.h" // tr_peerIdInit()
#include "test-fixtures.h"
using namespace std::literals;
#ifdef _WIN32
#define LOCAL_SOCKETPAIR_AF AF_INET
#else
#define LOCAL_SOCKETPAIR_AF AF_UNIX
#endif
namespace libtransmission
{
namespace test
{
auto constexpr MaxWaitMsec = int{ 5000 };
using HandshakeTest = SessionTest;
class MediatorMock final : public tr_handshake_mediator
{
public:
MediatorMock(tr_session* session)
: session_{ session }
{
}
[[nodiscard]] std::optional<torrent_info> torrentInfo(tr_sha1_digest_t const& info_hash) const override
{
if (auto const iter = torrents.find(info_hash); iter != std::end(torrents))
{
return iter->second;
}
return {};
}
[[nodiscard]] std::optional<torrent_info> torrentInfoFromObfuscated(tr_sha1_digest_t const& obfuscated) const override
{
for (auto const& [info_hash, info] : torrents)
{
if (obfuscated == *tr_sha1("req2"sv, info.info_hash))
{
return info;
}
}
return {};
}
[[nodiscard]] event_base* eventBase() const override
{
return session_->event_base;
}
[[nodiscard]] bool isDHTEnabled() const override
{
return false;
}
[[nodiscard]] bool isPeerKnownSeed(tr_torrent_id_t /*tor_id*/, tr_address /*addr*/) const override
{
return false;
}
[[nodiscard]] size_t pad(void* setme, [[maybe_unused]] size_t maxlen) const override
{
TR_ASSERT(maxlen > 10);
auto const len = size_t{ 10 };
std::fill_n(static_cast<char*>(setme), 10, ' ');
return len;
}
[[nodiscard]] tr_message_stream_encryption::DH::private_key_bigend_t privateKey() const override
{
return private_key_;
}
void setUTPFailed(tr_sha1_digest_t const& /*info_hash*/, tr_address /*addr*/) override
{
}
void setPrivateKeyFromBase64(std::string_view b64)
{
auto const str = tr_base64_decode(b64);
assert(std::size(str) == std::size(private_key_));
std::copy_n(reinterpret_cast<std::byte const*>(std::data(str)), std::size(str), std::begin(private_key_));
}
tr_session* const session_;
std::map<tr_sha1_digest_t, torrent_info> torrents;
tr_message_stream_encryption::DH::private_key_bigend_t private_key_ = {};
};
template<typename Span>
void sendToClient(evutil_socket_t sock, Span const& data)
{
auto const* walk = std::data(data);
static_assert(sizeof(*walk) == 1);
size_t len = std::size(data);
while (len > 0)
{
#if defined(_WIN32)
auto const n = send(sock, reinterpret_cast<char const*>(walk), len, 0);
#else
auto const n = write(sock, walk, len);
#endif
assert(n >= 0);
len -= n;
walk += n;
}
}
void sendB64ToClient(evutil_socket_t sock, std::string_view b64)
{
sendToClient(sock, tr_base64_decode(b64));
}
auto constexpr ReservedBytesNoExtensions = std::array<uint8_t, 8>{ 0, 0, 0, 0, 0, 0, 0, 0 };
auto constexpr PlaintextProtocolName = "\023BitTorrent protocol"sv;
auto const default_peer_addr = *tr_address::fromString("127.0.0.1"sv);
auto const default_peer_port = tr_port::fromHost(8080);
auto const torrent_we_are_seeding = tr_handshake_mediator::torrent_info{ *tr_sha1("abcde"sv),
tr_peerIdInit(),
tr_torrent_id_t{ 100 },
true /*is_done*/ };
auto const ubuntu_torrent = tr_handshake_mediator::torrent_info{ *tr_sha1_from_string(
"2c6b6858d61da9543d4231a71db4b1c9264b0685"sv),
tr_peerIdInit(),
tr_torrent_id_t{ 101 },
false /*is_done*/ };
auto createIncomingIo(tr_session* session)
{
auto sockpair = std::array<evutil_socket_t, 2>{ -1, -1 };
EXPECT_EQ(0, evutil_socketpair(LOCAL_SOCKETPAIR_AF, SOCK_STREAM, 0, std::data(sockpair))) << tr_strerror(errno);
auto const now = tr_time();
auto const peer_socket = tr_peer_socket_tcp_create(sockpair[0]);
auto* const
io = tr_peerIoNewIncoming(session, &session->top_bandwidth_, &default_peer_addr, default_peer_port, now, peer_socket);
return std::make_pair(io, sockpair[1]);
}
auto createOutgoingIo(tr_session* session, tr_sha1_digest_t const& info_hash)
{
auto sockpair = std::array<evutil_socket_t, 2>{ -1, -1 };
EXPECT_EQ(0, evutil_socketpair(LOCAL_SOCKETPAIR_AF, SOCK_STREAM, 0, std::data(sockpair))) << tr_strerror(errno);
auto const now = tr_time();
auto const peer_socket = tr_peer_socket_tcp_create(sockpair[0]);
auto* const io = tr_peerIoNew(
session,
&session->top_bandwidth_,
&default_peer_addr,
default_peer_port,
now,
&info_hash,
false /*is_incoming*/,
false /*is_seed*/,
peer_socket);
return std::make_pair(io, sockpair[1]);
}
constexpr auto makePeerId(std::string_view sv)
{
auto peer_id = tr_peer_id_t{};
for (size_t i = 0, n = std::size(sv); i < n; ++i)
{
peer_id[i] = sv[i];
}
return peer_id;
}
auto makeRandomPeerId()
{
auto peer_id = tr_peer_id_t{};
tr_rand_buffer(std::data(peer_id), std::size(peer_id));
auto const peer_id_prefix = "-UW110Q-"sv;
std::copy(std::begin(peer_id_prefix), std::end(peer_id_prefix), std::begin(peer_id));
return peer_id;
}
auto runHandshake(
std::shared_ptr<tr_handshake_mediator> mediator,
tr_peerIo* io,
tr_encryption_mode encryption_mode = TR_CLEAR_PREFERRED)
{
auto result = std::optional<tr_handshake_result>{};
static auto const done_callback = [](auto const& resin)
{
*static_cast<std::optional<tr_handshake_result>*>(resin.userData) = resin;
return true;
};
tr_handshakeNew(mediator, io, encryption_mode, done_callback, &result);
waitFor([&result]() { return result.has_value(); }, MaxWaitMsec);
return result;
}
TEST_F(HandshakeTest, incomingPlaintext)
{
auto const peer_id = makeRandomPeerId();
auto mediator = std::make_shared<MediatorMock>(session_);
mediator->torrents.emplace(torrent_we_are_seeding.info_hash, torrent_we_are_seeding);
// The simplest handshake there is. "The handshake starts with character
// nineteen (decimal) followed by the string 'BitTorrent protocol'.
// The leading character is a length prefix[.]. After the fixed headers
// come eight reserved bytes, which are all zero in all current
// implementations[.] Next comes the 20 byte sha1 hash of the bencoded
// form of the info value from the metainfo file[.] After the download
// hash comes the 20-byte peer id which is reported in tracker requests
// and contained in peer lists in tracker responses.
auto [io, sock] = createIncomingIo(session_);
sendToClient(sock, PlaintextProtocolName);
sendToClient(sock, ReservedBytesNoExtensions);
sendToClient(sock, torrent_we_are_seeding.info_hash);
sendToClient(sock, peer_id);
auto const res = runHandshake(mediator, io);
// check the results
EXPECT_TRUE(res);
EXPECT_TRUE(res->isConnected);
EXPECT_TRUE(res->readAnythingFromPeer);
EXPECT_EQ(io, res->io);
EXPECT_TRUE(res->peer_id);
EXPECT_EQ(peer_id, res->peer_id);
EXPECT_TRUE(io->torrentHash());
EXPECT_EQ(torrent_we_are_seeding.info_hash, *io->torrentHash());
tr_peerIoUnref(io);
evutil_closesocket(sock);
}
// The datastream is identical to HandshakeTest.incomingPlaintext,
// but this time we don't recognize the infohash sent by the peer.
TEST_F(HandshakeTest, incomingPlaintextUnknownInfoHash)
{
auto mediator = std::make_shared<MediatorMock>(session_);
mediator->torrents.emplace(torrent_we_are_seeding.info_hash, torrent_we_are_seeding);
auto [io, sock] = createIncomingIo(session_);
sendToClient(sock, PlaintextProtocolName);
sendToClient(sock, ReservedBytesNoExtensions);
sendToClient(sock, *tr_sha1("some other torrent unknown to us"sv));
sendToClient(sock, makeRandomPeerId());
auto const res = runHandshake(mediator, io);
// check the results
EXPECT_TRUE(res);
EXPECT_FALSE(res->isConnected);
EXPECT_TRUE(res->readAnythingFromPeer);
EXPECT_EQ(io, res->io);
EXPECT_FALSE(res->peer_id);
EXPECT_FALSE(io->torrentHash());
tr_peerIoUnref(io);
evutil_closesocket(sock);
}
TEST_F(HandshakeTest, outgoingPlaintext)
{
auto const peer_id = makeRandomPeerId();
auto mediator = std::make_shared<MediatorMock>(session_);
mediator->torrents.emplace(ubuntu_torrent.info_hash, torrent_we_are_seeding);
auto [io, sock] = createOutgoingIo(session_, ubuntu_torrent.info_hash);
sendToClient(sock, PlaintextProtocolName);
sendToClient(sock, ReservedBytesNoExtensions);
sendToClient(sock, ubuntu_torrent.info_hash);
sendToClient(sock, peer_id);
auto const res = runHandshake(mediator, io);
// check the results
EXPECT_TRUE(res);
EXPECT_TRUE(res->isConnected);
EXPECT_TRUE(res->readAnythingFromPeer);
EXPECT_EQ(io, res->io);
EXPECT_TRUE(res->peer_id);
EXPECT_EQ(peer_id, res->peer_id);
EXPECT_TRUE(io->torrentHash());
EXPECT_EQ(ubuntu_torrent.info_hash, *io->torrentHash());
EXPECT_EQ(tr_sha1_to_string(ubuntu_torrent.info_hash), tr_sha1_to_string(*io->torrentHash()));
tr_peerIoUnref(io);
evutil_closesocket(sock);
}
TEST_F(HandshakeTest, incomingEncrypted)
{
static auto constexpr ExpectedPeerId = makePeerId("-TR300Z-w4bd4mkebkbi"sv);
auto mediator = std::make_shared<MediatorMock>(session_);
mediator->torrents.emplace(ubuntu_torrent.info_hash, ubuntu_torrent);
mediator->setPrivateKeyFromBase64("0EYKCwBWQ4Dg9kX3c5xxjVtBDKw="sv);
auto [io, sock] = createIncomingIo(session_);
// Peer->Client data from a successful encrypted handshake recorded
// in the wild for replay here
sendB64ToClient(
sock,
"svkySIFcCsrDTeHjPt516UFbsoR+5vfbe5/m6stE7u5JLZ10kJ19NmP64E10qI"
"nn78sCrJgjw1yEHHwrzOcKiRlYvcMotzJMe+SjrFUnaw3KBfn2bcKBhxb/sfM9"
"J7nJ"sv);
sendB64ToClient(
sock,
"ICAgICAgICAgIKdr4jIBZ4xFfO4xNiRV7Gl2azTSuTFuu06NU1WyRPif018JYe"
"VGwrTPstEPu3V5lmzjtMGVLaL5EErlpJ93Xrz+ea6EIQEUZA+D4jKaV/to9NVi"
"04/1W1A2PHgg+I9puac/i9BsFPcjdQeoVtU73lNCbTDQgTieyjDWmwo="sv);
auto const res = runHandshake(mediator, io);
// check the results
EXPECT_TRUE(res);
EXPECT_TRUE(res->isConnected);
EXPECT_TRUE(res->readAnythingFromPeer);
EXPECT_EQ(io, res->io);
EXPECT_TRUE(res->peer_id);
EXPECT_EQ(ExpectedPeerId, res->peer_id);
EXPECT_TRUE(io->torrentHash());
EXPECT_EQ(ubuntu_torrent.info_hash, *io->torrentHash());
EXPECT_EQ(tr_sha1_to_string(ubuntu_torrent.info_hash), tr_sha1_to_string(*io->torrentHash()));
tr_peerIoUnref(io);
evutil_closesocket(sock);
}
// The datastream is identical to HandshakeTest.incomingEncrypted,
// but this time we don't recognize the infohash sent by the peer.
TEST_F(HandshakeTest, incomingEncryptedUnknownInfoHash)
{
auto mediator = std::make_shared<MediatorMock>(session_);
mediator->setPrivateKeyFromBase64("0EYKCwBWQ4Dg9kX3c5xxjVtBDKw="sv);
auto [io, sock] = createIncomingIo(session_);
// Peer->Client data from a successful encrypted handshake recorded
// in the wild for replay here
sendB64ToClient(
sock,
"svkySIFcCsrDTeHjPt516UFbsoR+5vfbe5/m6stE7u5JLZ10kJ19NmP64E10qI"
"nn78sCrJgjw1yEHHwrzOcKiRlYvcMotzJMe+SjrFUnaw3KBfn2bcKBhxb/sfM9"
"J7nJ"sv);
sendB64ToClient(
sock,
"ICAgICAgICAgIKdr4jIBZ4xFfO4xNiRV7Gl2azTSuTFuu06NU1WyRPif018JYe"
"VGwrTPstEPu3V5lmzjtMGVLaL5EErlpJ93Xrz+ea6EIQEUZA+D4jKaV/to9NVi"
"04/1W1A2PHgg+I9puac/i9BsFPcjdQeoVtU73lNCbTDQgTieyjDWmwo="sv);
auto const res = runHandshake(mediator, io);
// check the results
EXPECT_TRUE(res);
EXPECT_FALSE(res->isConnected);
EXPECT_TRUE(res->readAnythingFromPeer);
EXPECT_FALSE(io->torrentHash());
tr_peerIoUnref(io);
evutil_closesocket(sock);
}
TEST_F(HandshakeTest, outgoingEncrypted)
{
static auto constexpr ExpectedPeerId = makePeerId("-qB4250-scysDI_JuVN3"sv);
auto mediator = std::make_shared<MediatorMock>(session_);
mediator->torrents.emplace(ubuntu_torrent.info_hash, ubuntu_torrent);
mediator->setPrivateKeyFromBase64("0EYKCwBWQ4Dg9kX3c5xxjVtBDKw="sv);
auto [io, sock] = createOutgoingIo(session_, ubuntu_torrent.info_hash);
// Peer->Client data from a successful encrypted handshake recorded
// in the wild for replay here
sendB64ToClient(
sock,
"Sfgoq/nrQfD4Iwirfk+uhOmQMOC/QwK/vYiOact1NF9TpWXms3cvlKEKxs0VU"
"mnmytRh9bh4Lcs1bswlC6R05XrJGzLhZqAqcLUUAR1VTLA5oKSjR1038zFbhn"
"c71jqlpney15ChMTnx02Qt+88l0Z9OWLUUJrUVy+OoIaTMSKDDFVOjuj0y+Ii"
"cE0ZnN61e0/R/g+APRK5tegw0SLZ3Nr8+y4Dl77sZyc141PR9xvDj0da1eAvf"
"BvXyyDem4vUjqiLUNCEV8KDXEMPCPYAQoDZzLvMyOEtJM/if0o0UN88SWtt1k"
"jRD8UNvUlXIfM0YsnJhKA6fJ7/4geK7+Wo2aicfaLFOyG5IEJbTg9OQYbDHFa"
"oVzD0xY0Dx+J0loqM+CzrPj8UpeXIcbD7pJrT3XPECbFQ12cCY5LW5RymVIx8"
"TP0ajGiTxou1L7DbGD54SYgV/4qFbafRsWp9AO+YDJcouFd/jiVN+r3loxvfT"
"0A9H9DRAMR0rZKpQpXZ1ZAhAuAOXGHFIvtw8wd6dPybeu5+LoR2S90/IpwHWI"
"jbNbypQZuA9hn4JfFMWPP9TG/E11loB4+MkrP22U72ezjL5ipd74AEEP0/u8w"
"Gj1t2kXhND9ONfasA+pY25y8GM04M0B7+0xKmsHP7tntwQLAGZATH83rOxaSO"
"3+o/RdiKQJAsGxMIU08scBc5VOmrAmjeYrLNpFnpXVuavH5if7490zMCu3DEn"
"G9hpbYbiX95T+EUcRbM6pSCvr3Twq1Q="sv);
auto const res = runHandshake(mediator, io, TR_ENCRYPTION_PREFERRED);
// check the results
EXPECT_TRUE(res);
EXPECT_TRUE(res->isConnected);
EXPECT_TRUE(res->readAnythingFromPeer);
EXPECT_EQ(io, res->io);
EXPECT_TRUE(res->peer_id);
EXPECT_EQ(ExpectedPeerId, res->peer_id);
EXPECT_TRUE(io->torrentHash());
EXPECT_EQ(ubuntu_torrent.info_hash, *io->torrentHash());
EXPECT_EQ(tr_sha1_to_string(ubuntu_torrent.info_hash), tr_sha1_to_string(*io->torrentHash()));
tr_peerIoUnref(io);
evutil_closesocket(sock);
}
} // namespace test
} // namespace libtransmission