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net: tor_address: remove support for v2 onion addresses

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This commit is contained in:
tobtoht 2023-05-12 11:36:21 +02:00
parent a2e8d1d427
commit 6ff87ef89f
No known key found for this signature in database
GPG key ID: E45B10DD027D2472
3 changed files with 12 additions and 98 deletions
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5
src/net/tor_address.cpp
View file

@ -48,7 +48,6 @@ namespace net
constexpr const char tld[] = u8".onion";
constexpr const char unknown_host[] = "<unknown tor host>";
constexpr const unsigned v2_length = 16;
constexpr const unsigned v3_length = 56;
constexpr const char base32_alphabet[] =
@ -62,7 +61,7 @@ namespace net
host.remove_suffix(sizeof(tld) - 1);
//! \TODO v3 has checksum, base32 decoding is required to verify it
if (host.size() != v2_length && host.size() != v3_length)
if (host.size() != v3_length)
return {net::error::invalid_tor_address};
if (host.find_first_not_of(base32_alphabet) != boost::string_ref::npos)
return {net::error::invalid_tor_address};
@ -118,7 +117,6 @@ namespace net
if (!port.empty() && !epee::string_tools::get_xtype_from_string(porti, std::string{port}))
return {net::error::invalid_port};
static_assert(v2_length <= v3_length, "bad internal host size");
static_assert(v3_length + sizeof(tld) == sizeof(tor_address::host_), "bad internal host size");
return tor_address{host, porti};
}
@ -180,7 +178,6 @@ namespace net
bool tor_address::is_same_host(const tor_address& rhs) const noexcept
{
//! \TODO v2 and v3 should be comparable - requires base32
return std::strcmp(host_str(), rhs.host_str()) == 0;
}

2
src/net/tor_address.h
View file

@ -71,7 +71,7 @@ namespace net
static tor_address unknown() noexcept { return tor_address{}; }
/*!
Parse `address` in onion v2 or v3 format with (i.e. x.onion:80)
Parse `address` in onion v3 format with (i.e. x.onion:80)
with `default_port` being used iff port is not specified in
`address`.
*/

103
tests/unit_tests/net.cpp
View file

@ -74,6 +74,8 @@ namespace
"xmrto2bturnore26.onion";
static constexpr const char v3_onion[] =
"vww6ybal4bd7szmgncyruucpgfkqahzddi37ktceo3ah7ngmcopnpyyd.onion";
static constexpr const char v3_onion_2[] =
"zpv4fa3szgel7vf6jdjeugizdclq2vzkelscs2bhbgnlldzzggcen3ad.onion";
}
TEST(tor_address, constants)
@ -94,12 +96,10 @@ TEST(tor_address, invalid)
EXPECT_TRUE(net::tor_address::make(":").has_error());
EXPECT_TRUE(net::tor_address::make(".onion").has_error());
EXPECT_TRUE(net::tor_address::make(".onion:").has_error());
EXPECT_TRUE(net::tor_address::make(v2_onion + 1).has_error());
EXPECT_TRUE(net::tor_address::make(v3_onion + 1).has_error());
EXPECT_TRUE(net::tor_address::make(boost::string_ref{v2_onion, sizeof(v2_onion) - 2}).has_error());
EXPECT_TRUE(net::tor_address::make(boost::string_ref{v3_onion, sizeof(v3_onion) - 2}).has_error());
EXPECT_TRUE(net::tor_address::make(std::string{v2_onion} + ":-").has_error());
EXPECT_TRUE(net::tor_address::make(std::string{v2_onion} + ":900a").has_error());
EXPECT_TRUE(net::tor_address::make(std::string{v3_onion} + ":-").has_error());
EXPECT_TRUE(net::tor_address::make(std::string{v3_onion} + ":900a").has_error());
EXPECT_TRUE(net::tor_address::make(std::string{v3_onion} + ":65536").has_error());
EXPECT_TRUE(net::tor_address::make(std::string{v3_onion} + ":-1").has_error());
@ -163,11 +163,11 @@ TEST(tor_address, valid)
EXPECT_FALSE(address2.less(*address1));
EXPECT_FALSE(address1->less(address2));
address2 = MONERO_UNWRAP(net::tor_address::make(std::string{v2_onion} + ":6545"));
address2 = MONERO_UNWRAP(net::tor_address::make(std::string{v3_onion_2} + ":6545"));
EXPECT_EQ(6545, address2.port());
EXPECT_STREQ(v2_onion, address2.host_str());
EXPECT_EQ(std::string{v2_onion} + ":6545", address2.str().c_str());
EXPECT_STREQ(v3_onion_2, address2.host_str());
EXPECT_EQ(std::string{v3_onion_2} + ":6545", address2.str().c_str());
EXPECT_TRUE(address2.is_blockable());
EXPECT_FALSE(address2.equal(*address1));
EXPECT_FALSE(address1->equal(address2));
@ -244,57 +244,6 @@ namespace
};
}
TEST(tor_address, epee_serializev_v2)
{
epee::byte_slice buffer{};
{
test_command_tor command{MONERO_UNWRAP(net::tor_address::make(v2_onion, 10))};
EXPECT_FALSE(command.tor.is_unknown());
EXPECT_NE(net::tor_address{}, command.tor);
EXPECT_STREQ(v2_onion, command.tor.host_str());
EXPECT_EQ(10u, command.tor.port());
epee::serialization::portable_storage stg{};
EXPECT_TRUE(command.store(stg));
EXPECT_TRUE(stg.store_to_binary(buffer));
}
test_command_tor command{};
{
EXPECT_TRUE(command.tor.is_unknown());
EXPECT_EQ(net::tor_address{}, command.tor);
EXPECT_STREQ(net::tor_address::unknown_str(), command.tor.host_str());
EXPECT_EQ(0u, command.tor.port());
epee::serialization::portable_storage stg{};
EXPECT_TRUE(stg.load_from_binary(epee::to_span(buffer)));
EXPECT_TRUE(command.load(stg));
}
EXPECT_FALSE(command.tor.is_unknown());
EXPECT_NE(net::tor_address{}, command.tor);
EXPECT_STREQ(v2_onion, command.tor.host_str());
EXPECT_EQ(10u, command.tor.port());
// make sure that exceeding max buffer doesn't destroy tor_address::_load
{
epee::serialization::portable_storage stg{};
stg.load_from_binary(epee::to_span(buffer));
std::string host{};
ASSERT_TRUE(stg.get_value("host", host, stg.open_section("tor", nullptr, false)));
EXPECT_EQ(std::strlen(v2_onion), host.size());
host.push_back('k');
EXPECT_TRUE(stg.set_value("host", std::move(host), stg.open_section("tor", nullptr, false)));
EXPECT_TRUE(command.load(stg)); // poor error reporting from `KV_SERIALIZE`
}
EXPECT_TRUE(command.tor.is_unknown());
EXPECT_EQ(net::tor_address{}, command.tor);
EXPECT_STREQ(net::tor_address::unknown_str(), command.tor.host_str());
EXPECT_EQ(0u, command.tor.port());
}
TEST(tor_address, epee_serializev_v3)
{
epee::byte_slice buffer{};
@ -397,41 +346,6 @@ TEST(tor_address, epee_serialize_unknown)
EXPECT_EQ(0u, command.tor.port());
}
TEST(tor_address, boost_serialize_v2)
{
std::string buffer{};
{
const net::tor_address tor = MONERO_UNWRAP(net::tor_address::make(v2_onion, 10));
EXPECT_FALSE(tor.is_unknown());
EXPECT_NE(net::tor_address{}, tor);
EXPECT_STREQ(v2_onion, tor.host_str());
EXPECT_EQ(10u, tor.port());
std::ostringstream stream{};
{
boost::archive::portable_binary_oarchive archive{stream};
archive << tor;
}
buffer = stream.str();
}
net::tor_address tor{};
{
EXPECT_TRUE(tor.is_unknown());
EXPECT_EQ(net::tor_address{}, tor);
EXPECT_STREQ(net::tor_address::unknown_str(), tor.host_str());
EXPECT_EQ(0u, tor.port());
std::istringstream stream{buffer};
boost::archive::portable_binary_iarchive archive{stream};
archive >> tor;
}
EXPECT_FALSE(tor.is_unknown());
EXPECT_NE(net::tor_address{}, tor);
EXPECT_STREQ(v2_onion, tor.host_str());
EXPECT_EQ(10u, tor.port());
}
TEST(tor_address, boost_serialize_v3)
{
std::string buffer{};
@ -511,6 +425,9 @@ TEST(get_network_address, onion)
address = net::get_network_address(".onion", 0);
EXPECT_EQ(net::error::invalid_tor_address, address);
address = net::get_network_address(v2_onion, 1000);
EXPECT_EQ(net::error::invalid_tor_address, address);
address = net::get_network_address(v3_onion, 1000);
ASSERT_TRUE(bool(address));
EXPECT_EQ(epee::net_utils::address_type::tor, address->get_type_id());