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Added socks proxy (tor/i2pd/kovri) support to wallet

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This commit is contained in:
Lee Clagett 2019-01-23 21:37:43 +00:00
parent e4b049da05
commit 7acfa9f3cc
21 changed files with 505 additions and 98 deletions
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34
ANONYMITY_NETWORKS.md
View file

@ -19,6 +19,11 @@ network. The transaction will not be broadcast unless an anonymity connection
is made or until `monerod` is shutdown and restarted with only public
connections enabled.
Anonymity networks can also be used with `monero-wallet-cli` and
`monero-wallet-rpc` - the wallets will connect to a daemon through a proxy. The
daemon must provide a hidden service for the RPC itself, which is separate from
the hidden service for P2P connections.
## P2P Commands
@ -74,6 +79,35 @@ forwarded to `monerod` localhost port 30000.
These addresses will be shared with outgoing peers, over the same network type,
otherwise the peer will not be notified of the peer address by the proxy.
### Wallet RPC
An anonymity network can be configured to forward incoming connections to a
`monerod` RPC port - which is independent from the configuration for incoming
P2P anonymity connections. The anonymity network (Tor/i2p) is
[configured in the same manner](#configuration), except the localhost port
must be the RPC port (typically 18081 for mainnet) instead of the p2p port:
> HiddenServiceDir /var/lib/tor/data/monero
> HiddenServicePort 18081 127.0.0.1:18081
Then the wallet will be configured to use a Tor/i2p address:
> `--proxy 127.0.0.1:9050`
> `--daemon-address rveahdfho7wo4b2m.onion`
The proxy must match the address type - a Tor proxy will not work properly with
i2p addresses, etc.
i2p and onion addresses provide the information necessary to authenticate and
encrypt the connection from end-to-end. If desired, SSL can also be applied to
the connection with `--daemon-address https://rveahdfho7wo4b2m.onion` which
requires a server certificate that is signed by a "root" certificate on the
machine running the wallet. Alternatively, `--daemon-cert-file` can be used to
specify a certificate to authenticate the server.
Proxies can also be used to connect to "clearnet" (ipv4 addresses or ICANN
domains), but `--daemon-cert-file` _must_ be used for authentication and
encryption.
### Network Types
#### Tor & I2P

5
contrib/epee/include/net/abstract_tcp_server2.inl
View file

@ -58,11 +58,6 @@
#define DEFAULT_TIMEOUT_MS_REMOTE 300000 // 5 minutes
#define TIMEOUT_EXTRA_MS_PER_BYTE 0.2
#if BOOST_VERSION >= 107000
#define GET_IO_SERVICE(s) ((boost::asio::io_context&)(s).get_executor().context())
#else
#define GET_IO_SERVICE(s) ((s).get_io_service())
#endif
PRAGMA_WARNING_PUSH
namespace epee

9
contrib/epee/include/net/http_client.h
View file

@ -327,10 +327,17 @@ namespace net_utils
m_net_client.set_ssl(m_ssl_support, m_ssl_private_key_and_certificate_path, m_ssl_allowed_certificates, m_ssl_allowed_fingerprints, m_ssl_allow_any_cert);
}
template<typename F>
void set_connector(F connector)
{
CRITICAL_REGION_LOCAL(m_lock);
m_net_client.set_connector(std::move(connector));
}
bool connect(std::chrono::milliseconds timeout)
{
CRITICAL_REGION_LOCAL(m_lock);
return m_net_client.connect(m_host_buff, m_port, timeout, "0.0.0.0");
return m_net_client.connect(m_host_buff, m_port, timeout);
}
//---------------------------------------------------------------------------
bool disconnect()

140
contrib/epee/include/net/net_helper.h
View file

@ -33,12 +33,17 @@
//#include <Ws2tcpip.h>
#include <string>
#include <boost/version.hpp>
#include <boost/asio.hpp>
#include <boost/asio/io_service.hpp>
#include <boost/asio/ip/tcp.hpp>
#include <boost/asio/read.hpp>
#include <boost/asio/ssl.hpp>
#include <boost/asio/steady_timer.hpp>
#include <boost/thread/future.hpp>
#include <boost/lambda/bind.hpp>
#include <boost/lambda/lambda.hpp>
#include <boost/interprocess/detail/atomic.hpp>
#include <boost/system/error_code.hpp>
#include <functional>
#include "net/net_utils_base.h"
#include "net/net_ssl.h"
#include "misc_language.h"
@ -55,6 +60,12 @@ namespace epee
{
namespace net_utils
{
struct direct_connect
{
boost::unique_future<boost::asio::ip::tcp::socket>
operator()(const std::string& addr, const std::string& port, boost::asio::steady_timer&) const;
};
class blocked_mode_client
{
@ -85,31 +96,38 @@ namespace net_utils
ref_bytes_transferred = bytes_transferred;
}
};
public:
inline
blocked_mode_client():m_initialized(false),
m_connected(false),
m_deadline(m_io_service),
m_shutdowned(0),
m_ssl_support(epee::net_utils::ssl_support_t::e_ssl_support_autodetect),
m_ctx({boost::asio::ssl::context(boost::asio::ssl::context::tlsv12), {}}),
m_ssl_socket(new boost::asio::ssl::stream<boost::asio::ip::tcp::socket>(m_io_service,m_ctx.context))
blocked_mode_client() :
m_io_service(),
m_ctx({boost::asio::ssl::context(boost::asio::ssl::context::tlsv12), {}}),
m_connector(direct_connect{}),
m_ssl_socket(new boost::asio::ssl::stream<boost::asio::ip::tcp::socket>(m_io_service, m_ctx.context)),
m_ssl_support(epee::net_utils::ssl_support_t::e_ssl_support_autodetect),
m_initialized(true),
m_connected(false),
m_deadline(m_io_service),
m_shutdowned(0)
{
m_initialized = true;
// No deadline is required until the first socket operation is started. We
// set the deadline to positive infinity so that the actor takes no action
// until a specific deadline is set.
m_deadline.expires_at(std::chrono::steady_clock::time_point::max());
// Start the persistent actor that checks for deadline expiry.
check_deadline();
}
/*! The first/second parameters are host/port respectively. The third
parameter is for setting the timeout callback - the timer is
already set by the caller, the callee only needs to set the
behavior.
Additional asynchronous operations should be queued using the
`io_service` from the timer. The implementation should assume
multi-threaded I/O processing.
If the callee cannot start an asynchronous operation, an exception
should be thrown to signal an immediate failure.
The return value is a future to a connected socket. Asynchronous
failures should use the `set_exception` method. */
using connect_func = boost::unique_future<boost::asio::ip::tcp::socket>(const std::string&, const std::string&, boost::asio::steady_timer&);
inline
~blocked_mode_client()
{
@ -128,33 +146,28 @@ namespace net_utils
}
inline
bool connect(const std::string& addr, int port, std::chrono::milliseconds timeout, const std::string& bind_ip = "0.0.0.0")
bool connect(const std::string& addr, int port, std::chrono::milliseconds timeout)
{
return connect(addr, std::to_string(port), timeout, bind_ip);
return connect(addr, std::to_string(port), timeout);
}
inline
try_connect_result_t try_connect(const std::string& addr, const std::string& port, const boost::asio::ip::tcp::endpoint &remote_endpoint, std::chrono::milliseconds timeout, const std::string& bind_ip, epee::net_utils::ssl_support_t ssl_support)
try_connect_result_t try_connect(const std::string& addr, const std::string& port, std::chrono::milliseconds timeout, epee::net_utils::ssl_support_t ssl_support)
{
m_ssl_socket->next_layer().open(remote_endpoint.protocol());
if(bind_ip != "0.0.0.0" && bind_ip != "0" && bind_ip != "" )
{
boost::asio::ip::tcp::endpoint local_endpoint(boost::asio::ip::address::from_string(addr.c_str()), 0);
m_ssl_socket->next_layer().bind(local_endpoint);
}
m_deadline.expires_from_now(timeout);
boost::unique_future<boost::asio::ip::tcp::socket> connection = m_connector(addr, port, m_deadline);
for (;;)
{
m_io_service.reset();
m_io_service.run_one();
boost::system::error_code ec = boost::asio::error::would_block;
m_ssl_socket->next_layer().async_connect(remote_endpoint, boost::lambda::var(ec) = boost::lambda::_1);
while (ec == boost::asio::error::would_block)
{
m_io_service.run_one();
if (connection.is_ready())
break;
}
if (!ec && m_ssl_socket->next_layer().is_open())
m_ssl_socket->next_layer() = connection.get();
m_deadline.cancel();
if (m_ssl_socket->next_layer().is_open())
{
m_connected = true;
m_deadline.expires_at(std::chrono::steady_clock::time_point::max());
@ -183,14 +196,14 @@ namespace net_utils
return CONNECT_SUCCESS;
}else
{
MWARNING("Some problems at connect, message: " << ec.message());
MWARNING("Some problems at connect, expected open socket");
return CONNECT_FAILURE;
}
}
inline
bool connect(const std::string& addr, const std::string& port, std::chrono::milliseconds timeout, const std::string& bind_ip = "0.0.0.0")
bool connect(const std::string& addr, const std::string& port, std::chrono::milliseconds timeout)
{
m_connected = false;
try
@ -205,25 +218,7 @@ namespace net_utils
// Get a list of endpoints corresponding to the server name.
//////////////////////////////////////////////////////////////////////////
boost::asio::ip::tcp::resolver resolver(m_io_service);
boost::asio::ip::tcp::resolver::query query(boost::asio::ip::tcp::v4(), addr, port, boost::asio::ip::tcp::resolver::query::canonical_name);
boost::asio::ip::tcp::resolver::iterator iterator = resolver.resolve(query);
boost::asio::ip::tcp::resolver::iterator end;
if(iterator == end)
{
LOG_ERROR("Failed to resolve " << addr);
return false;
}
//////////////////////////////////////////////////////////////////////////
//boost::asio::ip::tcp::endpoint remote_endpoint(boost::asio::ip::address::from_string(addr.c_str()), port);
boost::asio::ip::tcp::endpoint remote_endpoint(*iterator);
try_connect_result_t try_connect_result = try_connect(addr, port, remote_endpoint, timeout, bind_ip, m_ssl_support);
try_connect_result_t try_connect_result = try_connect(addr, port, timeout, m_ssl_support);
if (try_connect_result == CONNECT_FAILURE)
return false;
if (m_ssl_support == epee::net_utils::ssl_support_t::e_ssl_support_autodetect)
@ -233,7 +228,7 @@ namespace net_utils
{
MERROR("SSL handshake failed on an autodetect connection, reconnecting without SSL");
m_ssl_support = epee::net_utils::ssl_support_t::e_ssl_support_disabled;
if (try_connect(addr, port, remote_endpoint, timeout, bind_ip, m_ssl_support) != CONNECT_SUCCESS)
if (try_connect(addr, port, timeout, m_ssl_support) != CONNECT_SUCCESS)
return false;
}
}
@ -251,6 +246,11 @@ namespace net_utils
return true;
}
//! Change the connection routine (proxy, etc.)
void set_connector(std::function<connect_func> connector)
{
m_connector = std::move(connector);
}
inline
bool disconnect()
@ -265,7 +265,6 @@ namespace net_utils
m_ssl_socket->next_layer().shutdown(boost::asio::ip::tcp::socket::shutdown_both);
}
}
catch(const boost::system::system_error& /*er*/)
{
//LOG_ERROR("Some problems at disconnect, message: " << er.what());
@ -304,6 +303,7 @@ namespace net_utils
// Block until the asynchronous operation has completed.
while (ec == boost::asio::error::would_block)
{
m_io_service.reset();
m_io_service.run_one();
}
@ -433,6 +433,7 @@ namespace net_utils
// Block until the asynchronous operation has completed.
while (ec == boost::asio::error::would_block && !boost::interprocess::ipcdetail::atomic_read32(&m_shutdowned))
{
m_io_service.reset();
m_io_service.run_one();
}
@ -573,10 +574,6 @@ namespace net_utils
return true;
}
void set_connected(bool connected)
{
m_connected = connected;
}
boost::asio::io_service& get_io_service()
{
return m_io_service;
@ -619,6 +616,7 @@ namespace net_utils
m_ssl_socket->async_shutdown(boost::lambda::var(ec) = boost::lambda::_1);
while (ec == boost::asio::error::would_block)
{
m_io_service.reset();
m_io_service.run_one();
}
// Ignore "short read" error
@ -665,11 +663,8 @@ namespace net_utils
boost::asio::io_service m_io_service;
epee::net_utils::ssl_context_t m_ctx;
std::shared_ptr<boost::asio::ssl::stream<boost::asio::ip::tcp::socket>> m_ssl_socket;
std::function<connect_func> m_connector;
epee::net_utils::ssl_support_t m_ssl_support;
std::string m_ssl_private_key;
std::string m_ssl_certificate;
std::list<std::string> m_ssl_allowed_certificates;
bool m_ssl_allow_any_cerl;
bool m_initialized;
bool m_connected;
boost::asio::steady_timer m_deadline;
@ -790,3 +785,4 @@ namespace net_utils
};
}
}

6
contrib/epee/include/net/net_utils_base.h
View file

@ -44,6 +44,12 @@
#define MAKE_IP( a1, a2, a3, a4 ) (a1|(a2<<8)|(a3<<16)|(a4<<24))
#endif
#if BOOST_VERSION >= 107000
#define GET_IO_SERVICE(s) ((boost::asio::io_context&)(s).get_executor().context())
#else
#define GET_IO_SERVICE(s) ((s).get_io_service())
#endif
namespace net
{
class tor_address;

3
contrib/epee/src/CMakeLists.txt
View file

@ -26,8 +26,9 @@
# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
# THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
add_library(epee STATIC hex.cpp http_auth.cpp mlog.cpp net_utils_base.cpp string_tools.cpp wipeable_string.cpp memwipe.c
add_library(epee STATIC hex.cpp http_auth.cpp mlog.cpp net_helper.cpp net_utils_base.cpp string_tools.cpp wipeable_string.cpp memwipe.c
connection_basic.cpp network_throttle.cpp network_throttle-detail.cpp mlocker.cpp buffer.cpp net_ssl.cpp)
if (USE_READLINE AND GNU_READLINE_FOUND)
add_library(epee_readline STATIC readline_buffer.cpp)
endif()

54
contrib/epee/src/net_helper.cpp Normal file
View file

@ -0,0 +1,54 @@
#include "net/net_helper.h"
namespace epee
{
namespace net_utils
{
boost::unique_future<boost::asio::ip::tcp::socket>
direct_connect::operator()(const std::string& addr, const std::string& port, boost::asio::steady_timer& timeout) const
{
// Get a list of endpoints corresponding to the server name.
//////////////////////////////////////////////////////////////////////////
boost::asio::ip::tcp::resolver resolver(GET_IO_SERVICE(timeout));
boost::asio::ip::tcp::resolver::query query(boost::asio::ip::tcp::v4(), addr, port, boost::asio::ip::tcp::resolver::query::canonical_name);
boost::asio::ip::tcp::resolver::iterator iterator = resolver.resolve(query);
boost::asio::ip::tcp::resolver::iterator end;
if(iterator == end) // Documentation states that successful call is guaranteed to be non-empty
throw boost::system::system_error{boost::asio::error::fault, "Failed to resolve " + addr};
//////////////////////////////////////////////////////////////////////////
struct new_connection
{
boost::promise<boost::asio::ip::tcp::socket> result_;
boost::asio::ip::tcp::socket socket_;
explicit new_connection(boost::asio::io_service& io_service)
: result_(), socket_(io_service)
{}
};
const auto shared = std::make_shared<new_connection>(GET_IO_SERVICE(timeout));
timeout.async_wait([shared] (boost::system::error_code error)
{
if (error != boost::system::errc::operation_canceled && shared && shared->socket_.is_open())
{
shared->socket_.shutdown(boost::asio::ip::tcp::socket::shutdown_both);
shared->socket_.close();
}
});
shared->socket_.async_connect(*iterator, [shared] (boost::system::error_code error)
{
if (shared)
{
if (error)
shared->result_.set_exception(boost::system::system_error{error});
else
shared->result_.set_value(std::move(shared->socket_));
}
});
return shared->result_.get_future();
}
}
}

4
src/net/CMakeLists.txt
View file

@ -26,8 +26,8 @@
# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
# THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
set(net_sources error.cpp parse.cpp socks.cpp tor_address.cpp i2p_address.cpp)
set(net_headers error.h parse.h socks.h tor_address.h i2p_address.h)
set(net_sources error.cpp i2p_address.cpp parse.cpp socks.cpp socks_connect.cpp tor_address.cpp)
set(net_headers error.h i2p_address.h parse.h socks.h socks_connect.h tor_address.h)
monero_add_library(net ${net_sources} ${net_headers})
target_link_libraries(net common epee ${Boost_ASIO_LIBRARY})

28
src/net/socks.cpp
View file

@ -1,4 +1,4 @@
// Copyright (c) 2018, The Monero Project
// Copyright (c) 2018-2019, The Monero Project
//
// All rights reserved.
//
@ -193,7 +193,7 @@ namespace socks
else if (bytes < self.buffer().size())
self.done(socks::error::bad_write, std::move(self_));
else
boost::asio::async_read(self.proxy_, get_buffer(self), completed{std::move(self_)});
boost::asio::async_read(self.proxy_, get_buffer(self), self.strand_.wrap(completed{std::move(self_)}));
}
}
};
@ -215,13 +215,13 @@ namespace socks
if (error)
self.done(error, std::move(self_));
else
boost::asio::async_write(self.proxy_, get_buffer(self), read{std::move(self_)});
boost::asio::async_write(self.proxy_, get_buffer(self), self.strand_.wrap(read{std::move(self_)}));
}
}
};
client::client(stream_type::socket&& proxy, socks::version ver)
: proxy_(std::move(proxy)), buffer_size_(0), buffer_(), ver_(ver)
: proxy_(std::move(proxy)), strand_(proxy_.get_io_service()), buffer_size_(0), buffer_(), ver_(ver)
{}
client::~client() {}
@ -296,7 +296,7 @@ namespace socks
if (self && !self->buffer().empty())
{
client& alias = *self;
alias.proxy_.async_connect(proxy_address, write{std::move(self)});
alias.proxy_.async_connect(proxy_address, alias.strand_.wrap(write{std::move(self)}));
return true;
}
return false;
@ -307,10 +307,26 @@ namespace socks
if (self && !self->buffer().empty())
{
client& alias = *self;
boost::asio::async_write(alias.proxy_, write::get_buffer(alias), read{std::move(self)});
boost::asio::async_write(alias.proxy_, write::get_buffer(alias), alias.strand_.wrap(read{std::move(self)}));
return true;
}
return false;
}
void client::async_close::operator()(boost::system::error_code error)
{
if (self_ && error != boost::system::errc::operation_canceled)
{
const std::shared_ptr<client> self = std::move(self_);
self->strand_.dispatch([self] ()
{
if (self && self->proxy_.is_open())
{
self->proxy_.shutdown(boost::asio::ip::tcp::socket::shutdown_both);
self->proxy_.close();
}
});
}
}
} // socks
} // net

16
src/net/socks.h
View file

@ -1,4 +1,4 @@
// Copyright (c) 2018, The Monero Project
// Copyright (c) 2018-2019, The Monero Project
//
// All rights reserved.
//
@ -31,6 +31,7 @@
#include <cstdint>
#include <boost/asio/ip/tcp.hpp>
#include <boost/asio/io_service.hpp>
#include <boost/asio/strand.hpp>
#include <boost/system/error_code.hpp>
#include <boost/type_traits/integral_constant.hpp>
#include <boost/utility/string_ref.hpp>
@ -92,6 +93,7 @@ namespace socks
class client
{
boost::asio::ip::tcp::socket proxy_;
boost::asio::io_service::strand strand_;
std::uint16_t buffer_size_;
std::uint8_t buffer_[1024];
socks::version ver_;
@ -168,6 +170,8 @@ namespace socks
\note Must use one of the `self->set_*_command` calls before using
this function.
\note Only `async_close` can be invoked on `self` until the `done`
callback is invoked.
\param self ownership of object is given to function.
\param proxy_address of the socks server.
@ -182,11 +186,21 @@ namespace socks
\note Must use one of the `self->set_*_command` calls before using
the function.
\note Only `async_close` can be invoked on `self` until the `done`
callback is invoked.
\param self ownership of object is given to function.
\return False if `self->buffer().empty()` (no command set).
*/
static bool send(std::shared_ptr<client> self);
/*! Callback for closing socket. Thread-safe with `*send` functions;
never blocks (uses strands). */
struct async_close
{
std::shared_ptr<client> self_;
void operator()(boost::system::error_code error = boost::system::error_code{});
};
};
template<typename Handler>

90
src/net/socks_connect.cpp Normal file
View file

@ -0,0 +1,90 @@
// Copyright (c) 2019, The Monero Project
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this list of
// conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice, this list
// of conditions and the following disclaimer in the documentation and/or other
// materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its contributors may be
// used to endorse or promote products derived from this software without specific
// prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "socks_connect.h"
#include <boost/system/error_code.hpp>
#include <boost/system/system_error.hpp>
#include <cstdint>
#include <memory>
#include <system_error>
#include "net/error.h"
#include "net/net_utils_base.h"
#include "net/socks.h"
#include "string_tools.h"
namespace net
{
namespace socks
{
boost::unique_future<boost::asio::ip::tcp::socket>
connector::operator()(const std::string& remote_host, const std::string& remote_port, boost::asio::steady_timer& timeout) const
{
struct future_socket
{
boost::promise<boost::asio::ip::tcp::socket> result_;
void operator()(boost::system::error_code error, boost::asio::ip::tcp::socket&& socket)
{
if (error)
result_.set_exception(boost::system::system_error{error});
else
result_.set_value(std::move(socket));
}
};
boost::unique_future<boost::asio::ip::tcp::socket> out{};
{
std::uint16_t port = 0;
if (!epee::string_tools::get_xtype_from_string(port, remote_port))
throw std::system_error{net::error::invalid_port, "Remote port for socks proxy"};
bool is_set = false;
std::uint32_t ip_address = 0;
boost::promise<boost::asio::ip::tcp::socket> result{};
out = result.get_future();
const auto proxy = net::socks::make_connect_client(
boost::asio::ip::tcp::socket{GET_IO_SERVICE(timeout)}, net::socks::version::v4a, future_socket{std::move(result)}
);
if (epee::string_tools::get_ip_int32_from_string(ip_address, remote_host))
is_set = proxy->set_connect_command(epee::net_utils::ipv4_network_address{ip_address, port});
else
is_set = proxy->set_connect_command(remote_host, port);
if (!is_set || !net::socks::client::connect_and_send(proxy, proxy_address))
throw std::system_error{net::error::invalid_host, "Address for socks proxy"};
timeout.async_wait(net::socks::client::async_close{std::move(proxy)});
}
return out;
}
} // socks
} // net

55
src/net/socks_connect.h Normal file
View file

@ -0,0 +1,55 @@
// Copyright (c) 2019, The Monero Project
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this list of
// conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice, this list
// of conditions and the following disclaimer in the documentation and/or other
// materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its contributors may be
// used to endorse or promote products derived from this software without specific
// prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#pragma once
#include <boost/asio/ip/tcp.hpp>
#include <boost/asio/steady_timer.hpp>
#include <boost/thread/future.hpp>
#include <string>
namespace net
{
namespace socks
{
//! Primarily for use with `epee::net_utils::http_client`.
struct connector
{
boost::asio::ip::tcp::endpoint proxy_address;
/*! Creates a new socket, asynchronously connects to `proxy_address`,
and requests a connection to `remote_host` on `remote_port`. Sets
socket as closed if `timeout` is reached.
\return The socket if successful, and exception in the future with
error otherwise. */
boost::unique_future<boost::asio::ip::tcp::socket>
operator()(const std::string& remote_host, const std::string& remote_port, boost::asio::steady_timer& timeout) const;
};
} // socks
} // net

1
src/wallet/CMakeLists.txt
View file

@ -63,6 +63,7 @@ target_link_libraries(wallet
cryptonote_core
mnemonics
device_trezor
net
${LMDB_LIBRARY}
${Boost_CHRONO_LIBRARY}
${Boost_SERIALIZATION_LIBRARY}

3
src/wallet/api/wallet.cpp
View file

@ -2173,8 +2173,7 @@ void WalletImpl::pendingTxPostProcess(PendingTransactionImpl * pending)
bool WalletImpl::doInit(const string &daemon_address, uint64_t upper_transaction_size_limit, bool ssl)
{
// claim RPC so there's no in-memory encryption for now
if (!m_wallet->init(daemon_address, m_daemon_login, upper_transaction_size_limit, ssl))
if (!m_wallet->init(daemon_address, m_daemon_login, tcp::endpoint{}, upper_transaction_size_limit))
return false;
// in case new wallet, this will force fast-refresh (pulling hashes instead of blocks)

53
src/wallet/wallet2.cpp
View file

@ -38,6 +38,7 @@
#include <boost/algorithm/string/trim.hpp>
#include <boost/algorithm/string/split.hpp>
#include <boost/algorithm/string/join.hpp>
#include <boost/asio/ip/address.hpp>
#include <boost/range/adaptor/transformed.hpp>
#include "include_base_utils.h"
using namespace epee;
@ -75,6 +76,7 @@ using namespace epee;
#include "ringdb.h"
#include "device/device_cold.hpp"
#include "device_trezor/device_trezor.hpp"
#include "net/socks_connect.h"
extern "C"
{
@ -231,6 +233,7 @@ namespace
struct options {
const command_line::arg_descriptor<std::string> daemon_address = {"daemon-address", tools::wallet2::tr("Use daemon instance at <host>:<port>"), ""};
const command_line::arg_descriptor<std::string> daemon_host = {"daemon-host", tools::wallet2::tr("Use daemon instance at host <arg> instead of localhost"), ""};
const command_line::arg_descriptor<std::string> proxy = {"proxy", tools::wallet2::tr("[<ip>:]<port> socks proxy to use for daemon connections"), {}, true};
const command_line::arg_descriptor<bool> trusted_daemon = {"trusted-daemon", tools::wallet2::tr("Enable commands which rely on a trusted daemon"), false};
const command_line::arg_descriptor<bool> untrusted_daemon = {"untrusted-daemon", tools::wallet2::tr("Disable commands which rely on a trusted daemon"), false};
const command_line::arg_descriptor<std::string> password = {"password", tools::wallet2::tr("Wallet password (escape/quote as needed)"), "", true};
@ -303,6 +306,8 @@ std::string get_weight_string(const cryptonote::transaction &tx, size_t blob_siz
std::unique_ptr<tools::wallet2> make_basic(const boost::program_options::variables_map& vm, bool unattended, const options& opts, const std::function<boost::optional<tools::password_container>(const char *, bool)> &password_prompter)
{
namespace ip = boost::asio::ip;
const bool testnet = command_line::get_arg(vm, opts.testnet);
const bool stagenet = command_line::get_arg(vm, opts.stagenet);
const network_type nettype = testnet ? TESTNET : stagenet ? STAGENET : MAINNET;
@ -352,6 +357,44 @@ std::unique_ptr<tools::wallet2> make_basic(const boost::program_options::variabl
if (daemon_address.empty())
daemon_address = std::string("http://") + daemon_host + ":" + std::to_string(daemon_port);
boost::asio::ip::tcp::endpoint proxy{};
if (command_line::has_arg(vm, opts.proxy))
{
namespace ip = boost::asio::ip;
const boost::string_ref real_daemon = boost::string_ref{daemon_address}.substr(0, daemon_address.rfind(':'));
// onion and i2p addresses contain information about the server cert
// which both authenticates and encrypts
const bool unencrypted_proxy =
!real_daemon.ends_with(".onion") && !real_daemon.ends_with(".i2p") &&
daemon_ssl_allowed_certificates.empty() && daemon_ssl_allowed_fingerprints.empty();
THROW_WALLET_EXCEPTION_IF(
unencrypted_proxy,
tools::error::wallet_internal_error,
std::string{"Use of --"} + opts.proxy.name + " requires --" + opts.daemon_ssl_allowed_certificates.name + " or --" + opts.daemon_ssl_allowed_fingerprints.name + " or use of a .onion/.i2p domain"
);
const auto proxy_address = command_line::get_arg(vm, opts.proxy);
boost::string_ref proxy_port{proxy_address};
boost::string_ref proxy_host = proxy_port.substr(0, proxy_port.rfind(":"));
if (proxy_port.size() == proxy_host.size())
proxy_host = "127.0.0.1";
else
proxy_port = proxy_port.substr(proxy_host.size() + 1);
uint16_t port_value = 0;
THROW_WALLET_EXCEPTION_IF(
!epee::string_tools::get_xtype_from_string(port_value, std::string{proxy_port}),
tools::error::wallet_internal_error,
std::string{"Invalid port specified for --"} + opts.proxy.name
);
boost::system::error_code error{};
proxy = ip::tcp::endpoint{ip::address::from_string(std::string{proxy_host}, error), port_value};
THROW_WALLET_EXCEPTION_IF(bool(error), tools::error::wallet_internal_error, std::string{"Invalid IP address specified for --"} + opts.proxy.name);
}
boost::optional<bool> trusted_daemon;
if (!command_line::is_arg_defaulted(vm, opts.trusted_daemon) || !command_line::is_arg_defaulted(vm, opts.untrusted_daemon))
trusted_daemon = command_line::get_arg(vm, opts.trusted_daemon) && !command_line::get_arg(vm, opts.untrusted_daemon);
@ -388,8 +431,7 @@ std::unique_ptr<tools::wallet2> make_basic(const boost::program_options::variabl
std::transform(daemon_ssl_allowed_fingerprints.begin(), daemon_ssl_allowed_fingerprints.end(), ssl_allowed_fingerprints.begin(), epee::from_hex::vector);
std::unique_ptr<tools::wallet2> wallet(new tools::wallet2(nettype, kdf_rounds, unattended));
wallet->init(std::move(daemon_address), std::move(login), 0, *trusted_daemon, ssl_support, std::make_pair(daemon_ssl_private_key, daemon_ssl_certificate), ssl_allowed_certificates, ssl_allowed_fingerprints, daemon_ssl_allow_any_cert);
wallet->init(std::move(daemon_address), std::move(login), std::move(proxy), 0, *trusted_daemon, ssl_support, std::make_pair(daemon_ssl_private_key, daemon_ssl_certificate), ssl_allowed_certificates, ssl_allowed_fingerprints, daemon_ssl_allow_any_cert);
boost::filesystem::path ringdb_path = command_line::get_arg(vm, opts.shared_ringdb_dir);
wallet->set_ring_database(ringdb_path.string());
wallet->get_message_store().set_options(vm);
@ -1046,6 +1088,7 @@ void wallet2::init_options(boost::program_options::options_description& desc_par
const options opts{};
command_line::add_arg(desc_params, opts.daemon_address);
command_line::add_arg(desc_params, opts.daemon_host);
command_line::add_arg(desc_params, opts.proxy);
command_line::add_arg(desc_params, opts.trusted_daemon);
command_line::add_arg(desc_params, opts.untrusted_daemon);
command_line::add_arg(desc_params, opts.password);
@ -1109,7 +1152,7 @@ std::unique_ptr<wallet2> wallet2::make_dummy(const boost::program_options::varia
}
//----------------------------------------------------------------------------------------------------
bool wallet2::init(std::string daemon_address, boost::optional<epee::net_utils::http::login> daemon_login, uint64_t upper_transaction_weight_limit, bool trusted_daemon, epee::net_utils::ssl_support_t ssl_support, const std::pair<std::string, std::string> &private_key_and_certificate_path, const std::list<std::string> &allowed_certificates, const std::vector<std::vector<uint8_t>> &allowed_fingerprints, bool allow_any_cert)
bool wallet2::init(std::string daemon_address, boost::optional<epee::net_utils::http::login> daemon_login, boost::asio::ip::tcp::endpoint proxy, uint64_t upper_transaction_weight_limit, bool trusted_daemon, epee::net_utils::ssl_support_t ssl_support, const std::pair<std::string, std::string> &private_key_and_certificate_path, const std::list<std::string> &allowed_certificates, const std::vector<std::vector<uint8_t>> &allowed_fingerprints, bool allow_any_cert)
{
m_checkpoints.init_default_checkpoints(m_nettype);
if(m_http_client.is_connected())
@ -1119,6 +1162,10 @@ bool wallet2::init(std::string daemon_address, boost::optional<epee::net_utils::
m_daemon_address = std::move(daemon_address);
m_daemon_login = std::move(daemon_login);
m_trusted_daemon = trusted_daemon;
if (proxy != boost::asio::ip::tcp::endpoint{})
m_http_client.set_connector(net::socks::connector{std::move(proxy)});
// When switching from light wallet to full wallet, we need to reset the height we got from lw node.
return m_http_client.set_server(get_daemon_address(), get_daemon_login(), ssl_support, private_key_and_certificate_path, allowed_certificates, allowed_fingerprints, allow_any_cert);
}
//----------------------------------------------------------------------------------------------------

4
src/wallet/wallet2.h
View file

@ -680,7 +680,9 @@ namespace tools
bool deinit();
bool init(std::string daemon_address = "http://localhost:8080",
boost::optional<epee::net_utils::http::login> daemon_login = boost::none, uint64_t upper_transaction_weight_limit = 0,
boost::optional<epee::net_utils::http::login> daemon_login = boost::none,
boost::asio::ip::tcp::endpoint proxy = {},
uint64_t upper_transaction_weight_limit = 0,
bool trusted_daemon = true,
epee::net_utils::ssl_support_t ssl_support = epee::net_utils::ssl_support_t::e_ssl_support_autodetect,
const std::pair<std::string, std::string> &private_key_and_certificate_path = {},

2
tests/fuzz/cold-outputs.cpp
View file

@ -53,7 +53,7 @@ int ColdOutputsFuzzer::init()
try
{
wallet.init("", boost::none, 0, true, epee::net_utils::ssl_support_t::e_ssl_support_disabled);
wallet.init("", boost::none, boost::asio::ip::tcp::endpoint{}, 0, true, epee::net_utils::ssl_support_t::e_ssl_support_disabled);
wallet.set_subaddress_lookahead(1, 1);
wallet.generate("", "", spendkey, true, false);
}

2
tests/fuzz/cold-transaction.cpp
View file

@ -54,7 +54,7 @@ int ColdTransactionFuzzer::init()
try
{
wallet.init("", boost::none, 0, true, epee::net_utils::ssl_support_t::e_ssl_support_disabled);
wallet.init("", boost::none, boost::asio::ip::tcp::endpoint{}, 0, true, epee::net_utils::ssl_support_t::e_ssl_support_disabled);
wallet.set_subaddress_lookahead(1, 1);
wallet.generate("", "", spendkey, true, false);
}

2
tests/fuzz/signature.cpp
View file

@ -54,7 +54,7 @@ int SignatureFuzzer::init()
try
{
wallet.init("", boost::none, 0, true, epee::net_utils::ssl_support_t::e_ssl_support_disabled);
wallet.init("", boost::none, boost::asio::ip::tcp::endpoint{}, 0, true, epee::net_utils::ssl_support_t::e_ssl_support_disabled);
wallet.set_subaddress_lookahead(1, 1);
wallet.generate("", "", spendkey, true, false);

2
tests/unit_tests/multisig.cpp
View file

@ -71,7 +71,7 @@ static void make_wallet(unsigned int idx, tools::wallet2 &wallet)
try
{
wallet.init("", boost::none, 0, true, epee::net_utils::ssl_support_t::e_ssl_support_disabled);
wallet.init("", boost::none, boost::asio::ip::tcp::endpoint{}, 0, true, epee::net_utils::ssl_support_t::e_ssl_support_disabled);
wallet.set_subaddress_lookahead(1, 1);
wallet.generate("", "", spendkey, true, false);
ASSERT_TRUE(test_addresses[idx].address == wallet.get_account().get_public_address_str(cryptonote::TESTNET));

90
tests/unit_tests/net.cpp
View file

@ -33,6 +33,7 @@
#include <boost/asio/io_service.hpp>
#include <boost/asio/ip/tcp.hpp>
#include <boost/asio/read.hpp>
#include <boost/asio/steady_timer.hpp>
#include <boost/asio/write.hpp>
#include <boost/endian/conversion.hpp>
#include <boost/system/error_code.hpp>
@ -45,6 +46,7 @@
#include "net/error.h"
#include "net/net_utils_base.h"
#include "net/socks.h"
#include "net/socks_connect.h"
#include "net/parse.h"
#include "net/tor_address.h"
#include "p2p/net_peerlist_boost_serialization.h"
@ -742,4 +744,92 @@ TEST(socks_client, resolve_command)
while (test_client->called_ == 1);
}
TEST(socks_connector, host)
{
io_thread io{};
boost::asio::steady_timer timeout{io.io_service};
timeout.expires_from_now(std::chrono::seconds{5});
boost::unique_future<boost::asio::ip::tcp::socket> sock =
net::socks::connector{io.acceptor.local_endpoint()}("example.com", "8080", timeout);
while (!io.connected);
const std::uint8_t expected_bytes[] = {
4, 1, 0x1f, 0x90, 0x00, 0x00, 0x00, 0x01, 0x00,
'e', 'x', 'a', 'm', 'p', 'l', 'e', '.', 'c', 'o', 'm', 0x00
};
std::uint8_t actual_bytes[sizeof(expected_bytes)];
boost::asio::read(io.server, boost::asio::buffer(actual_bytes));
EXPECT_TRUE(std::memcmp(expected_bytes, actual_bytes, sizeof(actual_bytes)) == 0);
const std::uint8_t reply_bytes[] = {0, 90, 0, 0, 0, 0, 0, 0};
boost::asio::write(io.server, boost::asio::buffer(reply_bytes));
ASSERT_EQ(boost::future_status::ready, sock.wait_for(boost::chrono::seconds{3}));
EXPECT_TRUE(sock.get().is_open());
}
TEST(socks_connector, ipv4)
{
io_thread io{};
boost::asio::steady_timer timeout{io.io_service};
timeout.expires_from_now(std::chrono::seconds{5});
boost::unique_future<boost::asio::ip::tcp::socket> sock =
net::socks::connector{io.acceptor.local_endpoint()}("250.88.125.99", "8080", timeout);
while (!io.connected);
const std::uint8_t expected_bytes[] = {
4, 1, 0x1f, 0x90, 0xfa, 0x58, 0x7d, 0x63, 0x00
};
std::uint8_t actual_bytes[sizeof(expected_bytes)];
boost::asio::read(io.server, boost::asio::buffer(actual_bytes));
EXPECT_TRUE(std::memcmp(expected_bytes, actual_bytes, sizeof(actual_bytes)) == 0);
const std::uint8_t reply_bytes[] = {0, 90, 0, 0, 0, 0, 0, 0};
boost::asio::write(io.server, boost::asio::buffer(reply_bytes));
ASSERT_EQ(boost::future_status::ready, sock.wait_for(boost::chrono::seconds{3}));
EXPECT_TRUE(sock.get().is_open());
}
TEST(socks_connector, error)
{
io_thread io{};
boost::asio::steady_timer timeout{io.io_service};
timeout.expires_from_now(std::chrono::seconds{5});
boost::unique_future<boost::asio::ip::tcp::socket> sock =
net::socks::connector{io.acceptor.local_endpoint()}("250.88.125.99", "8080", timeout);
while (!io.connected);
const std::uint8_t expected_bytes[] = {
4, 1, 0x1f, 0x90, 0xfa, 0x58, 0x7d, 0x63, 0x00
};
std::uint8_t actual_bytes[sizeof(expected_bytes)];
boost::asio::read(io.server, boost::asio::buffer(actual_bytes));
EXPECT_TRUE(std::memcmp(expected_bytes, actual_bytes, sizeof(actual_bytes)) == 0);
const std::uint8_t reply_bytes[] = {0, 91, 0, 0, 0, 0, 0, 0};
boost::asio::write(io.server, boost::asio::buffer(reply_bytes));
ASSERT_EQ(boost::future_status::ready, sock.wait_for(boost::chrono::seconds{3}));
EXPECT_THROW(sock.get().is_open(), boost::system::system_error);
}
TEST(socks_connector, timeout)
{
io_thread io{};
boost::asio::steady_timer timeout{io.io_service};
timeout.expires_from_now(std::chrono::milliseconds{10});
boost::unique_future<boost::asio::ip::tcp::socket> sock =
net::socks::connector{io.acceptor.local_endpoint()}("250.88.125.99", "8080", timeout);
ASSERT_EQ(boost::future_status::ready, sock.wait_for(boost::chrono::seconds{3}));
EXPECT_THROW(sock.get().is_open(), boost::system::system_error);
}