diff options
author | Lee Clagett <code@leeclagett.com> | 2019-03-15 00:03:32 -0400 |
---|---|---|
committer | Lee Clagett <code@leeclagett.com> | 2019-04-07 00:44:37 -0400 |
commit | 21eb1b0725717ad013d3e2b00fbfc3b84ad04699 (patch) | |
tree | 45c437eda5dc39120263bd2a32b70aef23aa90cd /contrib/epee | |
parent | Change default SSL to "enabled" if user specifies fingerprint/certificate (diff) | |
download | monero-21eb1b0725717ad013d3e2b00fbfc3b84ad04699.tar.xz |
Pass SSL arguments via one class and use shared_ptr instead of reference
Diffstat (limited to 'contrib/epee')
-rw-r--r-- | contrib/epee/include/net/abstract_tcp_server2.h | 16 | ||||
-rw-r--r-- | contrib/epee/include/net/abstract_tcp_server2.inl | 44 | ||||
-rw-r--r-- | contrib/epee/include/net/connection_basic.hpp | 54 | ||||
-rw-r--r-- | contrib/epee/include/net/http_client.h | 19 | ||||
-rw-r--r-- | contrib/epee/include/net/http_server_impl_base.h | 8 | ||||
-rw-r--r-- | contrib/epee/include/net/net_helper.h | 48 | ||||
-rw-r--r-- | contrib/epee/include/net/net_ssl.h | 74 | ||||
-rw-r--r-- | contrib/epee/src/connection_basic.cpp | 47 | ||||
-rw-r--r-- | contrib/epee/src/net_ssl.cpp | 86 |
9 files changed, 229 insertions, 167 deletions
diff --git a/contrib/epee/include/net/abstract_tcp_server2.h b/contrib/epee/include/net/abstract_tcp_server2.h index f28b1fb7d..d0eabbba5 100644 --- a/contrib/epee/include/net/abstract_tcp_server2.h +++ b/contrib/epee/include/net/abstract_tcp_server2.h @@ -90,10 +90,10 @@ namespace net_utils public: typedef typename t_protocol_handler::connection_context t_connection_context; - struct shared_state : socket_stats + struct shared_state : connection_basic_shared_state { shared_state() - : socket_stats(), pfilter(nullptr), config() + : connection_basic_shared_state(), pfilter(nullptr), config() {} i_connection_filter* pfilter; @@ -104,14 +104,12 @@ namespace net_utils explicit connection( boost::asio::io_service& io_service, boost::shared_ptr<shared_state> state, t_connection_type connection_type, - epee::net_utils::ssl_support_t ssl_support, - ssl_context_t &ssl_context); + epee::net_utils::ssl_support_t ssl_support); explicit connection( boost::asio::ip::tcp::socket&& sock, boost::shared_ptr<shared_state> state, t_connection_type connection_type, - epee::net_utils::ssl_support_t ssl_support, - ssl_context_t &ssl_context); + epee::net_utils::ssl_support_t ssl_support); @@ -228,8 +226,8 @@ namespace net_utils std::map<std::string, t_connection_type> server_type_map; void create_server_type_map(); - bool init_server(uint32_t port, const std::string address = "0.0.0.0", 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 = std::make_pair(std::string(), std::string()), const std::string &ca_file = {}, const std::vector<std::vector<uint8_t>> &allowed_fingerprints = {}, bool allow_any_cert = false); - bool init_server(const std::string port, const std::string& address = "0.0.0.0", 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 = std::make_pair(std::string(), std::string()), const std::string &ca_file = {}, const std::vector<std::vector<uint8_t>> &allowed_fingerprints = {}, bool allow_any_cert = false); + bool init_server(uint32_t port, const std::string address = "0.0.0.0", ssl_options_t ssl_options = ssl_support_t::e_ssl_support_autodetect); + bool init_server(const std::string port, const std::string& address = "0.0.0.0", ssl_options_t ssl_options = ssl_support_t::e_ssl_support_autodetect); /// Run the server's io_service loop. bool run_server(size_t threads_count, bool wait = true, const boost::thread::attributes& attrs = boost::thread::attributes()); @@ -380,8 +378,6 @@ namespace net_utils boost::mutex connections_mutex; std::set<connection_ptr> connections_; - - ssl_context_t m_ssl_context; }; // class <>boosted_tcp_server diff --git a/contrib/epee/include/net/abstract_tcp_server2.inl b/contrib/epee/include/net/abstract_tcp_server2.inl index e8b5b6c1e..58f899a73 100644 --- a/contrib/epee/include/net/abstract_tcp_server2.inl +++ b/contrib/epee/include/net/abstract_tcp_server2.inl @@ -80,10 +80,9 @@ PRAGMA_WARNING_DISABLE_VS(4355) connection<t_protocol_handler>::connection( boost::asio::io_service& io_service, boost::shared_ptr<shared_state> state, t_connection_type connection_type, - epee::net_utils::ssl_support_t ssl_support, - ssl_context_t &ssl_context + ssl_support_t ssl_support ) - : connection(boost::asio::ip::tcp::socket{io_service}, std::move(state), connection_type, ssl_support, ssl_context) + : connection(boost::asio::ip::tcp::socket{io_service}, std::move(state), connection_type, ssl_support) { } @@ -91,11 +90,10 @@ PRAGMA_WARNING_DISABLE_VS(4355) connection<t_protocol_handler>::connection( boost::asio::ip::tcp::socket&& sock, boost::shared_ptr<shared_state> state, t_connection_type connection_type, - epee::net_utils::ssl_support_t ssl_support, - ssl_context_t &ssl_context + ssl_support_t ssl_support ) : - connection_basic(std::move(sock), state, ssl_support, ssl_context), + connection_basic(std::move(sock), state, ssl_support), m_protocol_handler(this, check_and_get(state).config, context), m_connection_type( connection_type ), m_throttle_speed_in("speed_in", "throttle_speed_in"), @@ -176,9 +174,9 @@ PRAGMA_WARNING_DISABLE_VS(4355) _dbg3("[sock " << socket_.native_handle() << "] new connection from " << print_connection_context_short(context) << " to " << local_ep.address().to_string() << ':' << local_ep.port() << - ", total sockets objects " << get_stats().sock_count); + ", total sockets objects " << get_state().sock_count); - if(static_cast<shared_state&>(get_stats()).pfilter && !static_cast<shared_state&>(get_stats()).pfilter->is_remote_host_allowed(context.m_remote_address)) + if(static_cast<shared_state&>(get_state()).pfilter && !static_cast<shared_state&>(get_state()).pfilter->is_remote_host_allowed(context.m_remote_address)) { _dbg2("[sock " << socket().native_handle() << "] host denied " << context.m_remote_address.host_str() << ", shutdowning connection"); close(); @@ -901,8 +899,7 @@ PRAGMA_WARNING_DISABLE_VS(4355) m_threads_count(0), m_thread_index(0), m_connection_type( connection_type ), - new_connection_(), - m_ssl_context({boost::asio::ssl::context(boost::asio::ssl::context::tlsv12), {}}) + new_connection_() { create_server_type_map(); m_thread_name_prefix = "NET"; @@ -918,8 +915,7 @@ PRAGMA_WARNING_DISABLE_VS(4355) m_threads_count(0), m_thread_index(0), m_connection_type(connection_type), - new_connection_(), - m_ssl_context({boost::asio::ssl::context(boost::asio::ssl::context::sslv23), {}}) + new_connection_() { create_server_type_map(); m_thread_name_prefix = "NET"; @@ -941,14 +937,14 @@ PRAGMA_WARNING_DISABLE_VS(4355) } //--------------------------------------------------------------------------------- template<class t_protocol_handler> - bool boosted_tcp_server<t_protocol_handler>::init_server(uint32_t port, const std::string address, epee::net_utils::ssl_support_t ssl_support, const std::pair<std::string, std::string> &private_key_and_certificate_path, const std::string &ca_file, const std::vector<std::vector<uint8_t>> &allowed_fingerprints, bool allow_any_cert) + bool boosted_tcp_server<t_protocol_handler>::init_server(uint32_t port, const std::string address, ssl_options_t ssl_options) { TRY_ENTRY(); m_stop_signal_sent = false; m_port = port; m_address = address; - if (ssl_support != epee::net_utils::ssl_support_t::e_ssl_support_disabled) - m_ssl_context = create_ssl_context(private_key_and_certificate_path, ca_file, allowed_fingerprints, allow_any_cert); + if (ssl_options) + m_state->configure_ssl(std::move(ssl_options)); // Open the acceptor with the option to reuse the address (i.e. SO_REUSEADDR). boost::asio::ip::tcp::resolver resolver(io_service_); boost::asio::ip::tcp::resolver::query query(address, boost::lexical_cast<std::string>(port), boost::asio::ip::tcp::resolver::query::canonical_name); @@ -960,7 +956,7 @@ PRAGMA_WARNING_DISABLE_VS(4355) boost::asio::ip::tcp::endpoint binded_endpoint = acceptor_.local_endpoint(); m_port = binded_endpoint.port(); MDEBUG("start accept"); - new_connection_.reset(new connection<t_protocol_handler>(io_service_, m_state, m_connection_type, ssl_support, m_ssl_context)); + new_connection_.reset(new connection<t_protocol_handler>(io_service_, m_state, m_connection_type, m_state->ssl_options().support)); acceptor_.async_accept(new_connection_->socket(), boost::bind(&boosted_tcp_server<t_protocol_handler>::handle_accept, this, boost::asio::placeholders::error)); @@ -982,7 +978,7 @@ PRAGMA_WARNING_DISABLE_VS(4355) PUSH_WARNINGS DISABLE_GCC_WARNING(maybe-uninitialized) template<class t_protocol_handler> - bool boosted_tcp_server<t_protocol_handler>::init_server(const std::string port, const std::string& address, epee::net_utils::ssl_support_t ssl_support, const std::pair<std::string, std::string> &private_key_and_certificate_path, const std::string &ca_file, const std::vector<std::vector<uint8_t>> &allowed_fingerprints, bool allow_any_cert) + bool boosted_tcp_server<t_protocol_handler>::init_server(const std::string port, const std::string& address, ssl_options_t ssl_options) { uint32_t p = 0; @@ -990,7 +986,7 @@ DISABLE_GCC_WARNING(maybe-uninitialized) MERROR("Failed to convert port no = " << port); return false; } - return this->init_server(p, address, ssl_support, private_key_and_certificate_path, ca_file, allowed_fingerprints, allow_any_cert); + return this->init_server(p, address, std::move(ssl_options)); } POP_WARNINGS //--------------------------------------------------------------------------------- @@ -1165,7 +1161,7 @@ POP_WARNINGS new_connection_->setRpcStation(); // hopefully this is not needed actually } connection_ptr conn(std::move(new_connection_)); - new_connection_.reset(new connection<t_protocol_handler>(io_service_, m_state, m_connection_type, conn->get_ssl_support(), m_ssl_context)); + new_connection_.reset(new connection<t_protocol_handler>(io_service_, m_state, m_connection_type, conn->get_ssl_support())); acceptor_.async_accept(new_connection_->socket(), boost::bind(&boosted_tcp_server<t_protocol_handler>::handle_accept, this, boost::asio::placeholders::error)); @@ -1200,7 +1196,7 @@ POP_WARNINGS assert(m_state != nullptr); // always set in constructor _erro("Some problems at accept: " << e.message() << ", connections_count = " << m_state->sock_count); misc_utils::sleep_no_w(100); - new_connection_.reset(new connection<t_protocol_handler>(io_service_, m_state, m_connection_type, new_connection_->get_ssl_support(), m_ssl_context)); + new_connection_.reset(new connection<t_protocol_handler>(io_service_, m_state, m_connection_type, new_connection_->get_ssl_support())); acceptor_.async_accept(new_connection_->socket(), boost::bind(&boosted_tcp_server<t_protocol_handler>::handle_accept, this, boost::asio::placeholders::error)); @@ -1211,7 +1207,7 @@ POP_WARNINGS { if(std::addressof(get_io_service()) == std::addressof(GET_IO_SERVICE(sock))) { - connection_ptr conn(new connection<t_protocol_handler>(std::move(sock), m_state, m_connection_type, ssl_support, m_ssl_context)); + connection_ptr conn(new connection<t_protocol_handler>(std::move(sock), m_state, m_connection_type, ssl_support)); if(conn->start(false, 1 < m_threads_count, std::move(real_remote))) { conn->get_context(out); @@ -1298,7 +1294,7 @@ POP_WARNINGS _dbg3("Connected success to " << adr << ':' << port); - const epee::net_utils::ssl_support_t ssl_support = new_connection_l->get_ssl_support(); + const ssl_support_t ssl_support = new_connection_l->get_ssl_support(); if (ssl_support == epee::net_utils::ssl_support_t::e_ssl_support_enabled || ssl_support == epee::net_utils::ssl_support_t::e_ssl_support_autodetect) { // Handshake @@ -1329,7 +1325,7 @@ POP_WARNINGS { TRY_ENTRY(); - connection_ptr new_connection_l(new connection<t_protocol_handler>(io_service_, m_state, m_connection_type, ssl_support, m_ssl_context) ); + connection_ptr new_connection_l(new connection<t_protocol_handler>(io_service_, m_state, m_connection_type, ssl_support) ); connections_mutex.lock(); connections_.insert(new_connection_l); MDEBUG("connections_ size now " << connections_.size()); @@ -1393,7 +1389,7 @@ POP_WARNINGS bool boosted_tcp_server<t_protocol_handler>::connect_async(const std::string& adr, const std::string& port, uint32_t conn_timeout, const t_callback &cb, const std::string& bind_ip, epee::net_utils::ssl_support_t ssl_support) { TRY_ENTRY(); - connection_ptr new_connection_l(new connection<t_protocol_handler>(io_service_, m_state, m_connection_type, ssl_support, m_ssl_context) ); + connection_ptr new_connection_l(new connection<t_protocol_handler>(io_service_, m_state, m_connection_type, ssl_support) ); connections_mutex.lock(); connections_.insert(new_connection_l); MDEBUG("connections_ size now " << connections_.size()); diff --git a/contrib/epee/include/net/connection_basic.hpp b/contrib/epee/include/net/connection_basic.hpp index feedc6895..d3f5f4f24 100644 --- a/contrib/epee/include/net/connection_basic.hpp +++ b/contrib/epee/include/net/connection_basic.hpp @@ -57,15 +57,30 @@ namespace epee { namespace net_utils { - struct socket_stats - { - socket_stats() - : sock_count(0), sock_number(0) - {} - - std::atomic<long> sock_count; - std::atomic<long> sock_number; - }; + + class connection_basic_shared_state + { + ssl_options_t ssl_options_; + public: + boost::asio::ssl::context ssl_context; + std::atomic<long> sock_count; + std::atomic<long> sock_number; + + connection_basic_shared_state() + : ssl_options_(ssl_support_t::e_ssl_support_disabled), + ssl_context(boost::asio::ssl::context::tlsv12), + sock_count(0), + sock_number(0) + {} + + void configure_ssl(ssl_options_t src) + { + ssl_options_ = std::move(src); + ssl_context = ssl_options_.create_context(); + } + + const ssl_options_t& ssl_options() const noexcept { return ssl_options_; } + }; /************************************************************************/ /* */ @@ -83,9 +98,10 @@ class connection_basic_pimpl; // PIMPL for this class std::string to_string(t_connection_type type); class connection_basic { // not-templated base class for rapid developmet of some code parts - // beware of removing const, net_utils::connection is sketchily doing a cast to prevent storing ptr twice - const boost::shared_ptr<socket_stats> m_stats; + // beware of removing const, net_utils::connection is sketchily doing a cast to prevent storing ptr twice + const boost::shared_ptr<connection_basic_shared_state> m_state; public: + std::unique_ptr< connection_basic_pimpl > mI; // my Implementation // moved here from orginal connecton<> - common member variables that do not depend on template in connection<> @@ -97,20 +113,19 @@ class connection_basic { // not-templated base class for rapid developmet of som /// Strand to ensure the connection's handlers are not called concurrently. boost::asio::io_service::strand strand_; /// Socket for the connection. - ssl_context_t &m_ssl_context; - ssl_support_t m_ssl_support; boost::asio::ssl::stream<boost::asio::ip::tcp::socket> socket_; + ssl_support_t m_ssl_support; public: // first counter is the ++/-- count of current sockets, the other socket_number is only-increasing ++ number generator - connection_basic(boost::asio::ip::tcp::socket&& socket, boost::shared_ptr<socket_stats> stats, ssl_support_t ssl_support, ssl_context_t &ssl_context); - connection_basic(boost::asio::io_service &io_service, boost::shared_ptr<socket_stats> stats, ssl_support_t ssl_support, ssl_context_t &ssl_context); + connection_basic(boost::asio::ip::tcp::socket&& socket, boost::shared_ptr<connection_basic_shared_state> state, ssl_support_t ssl_support); + connection_basic(boost::asio::io_service &io_service, boost::shared_ptr<connection_basic_shared_state> state, ssl_support_t ssl_support); virtual ~connection_basic() noexcept(false); - //! \return `socket_stats` object passed in construction (ptr never changes). - socket_stats& get_stats() noexcept { return *m_stats; /* verified in constructor */ } - connection_basic(boost::asio::io_service& io_service, std::atomic<long> &ref_sock_count, std::atomic<long> &sock_number, ssl_support_t ssl, ssl_context_t &ssl_context); + //! \return `shared_state` object passed in construction (ptr never changes). + connection_basic_shared_state& get_state() noexcept { return *m_state; /* verified in constructor */ } + connection_basic(boost::asio::io_service& io_service, std::atomic<long> &ref_sock_count, std::atomic<long> &sock_number, ssl_support_t ssl); boost::asio::ip::tcp::socket& socket() { return socket_.next_layer(); } ssl_support_t get_ssl_support() const { return m_ssl_support; } @@ -118,7 +133,8 @@ class connection_basic { // not-templated base class for rapid developmet of som bool handshake(boost::asio::ssl::stream_base::handshake_type type) { - return ssl_handshake(socket_, type, m_ssl_context); + //m_state != nullptr verified in constructor + return m_state->ssl_options().handshake(socket_, type); } template<typename MutableBufferSequence, typename ReadHandler> diff --git a/contrib/epee/include/net/http_client.h b/contrib/epee/include/net/http_client.h index 36158b99f..a18a1d30a 100644 --- a/contrib/epee/include/net/http_client.h +++ b/contrib/epee/include/net/http_client.h @@ -275,11 +275,6 @@ namespace net_utils chunked_state m_chunked_state; std::string m_chunked_cache; critical_section m_lock; - epee::net_utils::ssl_support_t m_ssl_support; - std::pair<std::string, std::string> m_ssl_private_key_and_certificate_path; - std::string m_ssl_ca_file; - std::vector<std::vector<uint8_t>> m_ssl_allowed_fingerprints; - bool m_ssl_allow_any_cert; public: explicit http_simple_client_template() @@ -297,34 +292,28 @@ namespace net_utils , m_chunked_state() , m_chunked_cache() , m_lock() - , m_ssl_support(epee::net_utils::ssl_support_t::e_ssl_support_autodetect) {} const std::string &get_host() const { return m_host_buff; }; const std::string &get_port() const { return m_port; }; - bool set_server(const std::string& address, boost::optional<login> user, 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 = {}, std::string ca_file = {}, const std::vector<std::vector<uint8_t>> &allowed_ssl_fingerprints = {}, bool allow_any_cert = false) + bool set_server(const std::string& address, boost::optional<login> user, ssl_options_t ssl_options = ssl_support_t::e_ssl_support_autodetect) { http::url_content parsed{}; const bool r = parse_url(address, parsed); CHECK_AND_ASSERT_MES(r, false, "failed to parse url: " << address); - set_server(std::move(parsed.host), std::to_string(parsed.port), std::move(user), ssl_support, private_key_and_certificate_path, std::move(ca_file), allowed_ssl_fingerprints, allow_any_cert); + set_server(std::move(parsed.host), std::to_string(parsed.port), std::move(user), std::move(ssl_options)); return true; } - void set_server(std::string host, std::string port, boost::optional<login> user, 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 = {}, std::string ca_file = {}, const std::vector<std::vector<uint8_t>> &allowed_ssl_fingerprints = {}, bool allow_any_cert = false) + void set_server(std::string host, std::string port, boost::optional<login> user, ssl_options_t ssl_options = ssl_support_t::e_ssl_support_autodetect) { CRITICAL_REGION_LOCAL(m_lock); disconnect(); m_host_buff = std::move(host); m_port = std::move(port); m_auth = user ? http_client_auth{std::move(*user)} : http_client_auth{}; - m_ssl_support = ssl_support; - m_ssl_private_key_and_certificate_path = private_key_and_certificate_path; - m_ssl_ca_file = std::move(ca_file); - m_ssl_allowed_fingerprints = allowed_ssl_fingerprints; - m_ssl_allow_any_cert = allow_any_cert; - m_net_client.set_ssl(m_ssl_support, m_ssl_private_key_and_certificate_path, m_ssl_ca_file, m_ssl_allowed_fingerprints, m_ssl_allow_any_cert); + m_net_client.set_ssl(std::move(ssl_options)); } template<typename F> diff --git a/contrib/epee/include/net/http_server_impl_base.h b/contrib/epee/include/net/http_server_impl_base.h index 8a6b32943..fc2dcbf67 100644 --- a/contrib/epee/include/net/http_server_impl_base.h +++ b/contrib/epee/include/net/http_server_impl_base.h @@ -59,11 +59,7 @@ namespace epee bool init(std::function<void(size_t, uint8_t*)> rng, const std::string& bind_port = "0", const std::string& bind_ip = "0.0.0.0", std::vector<std::string> access_control_origins = std::vector<std::string>(), boost::optional<net_utils::http::login> user = boost::none, - 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 = {}, - const std::string &ca_path = {}, - std::vector<std::vector<uint8_t>> allowed_fingerprints = {}, - bool allow_any_cert = false) + net_utils::ssl_options_t ssl_options = net_utils::ssl_support_t::e_ssl_support_autodetect) { //set self as callback handler @@ -80,7 +76,7 @@ namespace epee m_net_server.get_config_object().m_user = std::move(user); MGINFO("Binding on " << bind_ip << ":" << bind_port); - bool res = m_net_server.init_server(bind_port, bind_ip, ssl_support, private_key_and_certificate_path, ca_path, std::move(allowed_fingerprints), allow_any_cert); + bool res = m_net_server.init_server(bind_port, bind_ip, std::move(ssl_options)); if(!res) { LOG_ERROR("Failed to bind server"); diff --git a/contrib/epee/include/net/net_helper.h b/contrib/epee/include/net/net_helper.h index 2b220bb0f..a9bfd6baa 100644 --- a/contrib/epee/include/net/net_helper.h +++ b/contrib/epee/include/net/net_helper.h @@ -101,10 +101,10 @@ namespace net_utils inline blocked_mode_client() : m_io_service(), - m_ctx({boost::asio::ssl::context(boost::asio::ssl::context::tlsv12), {}}), + m_ctx(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_ssl_socket(new boost::asio::ssl::stream<boost::asio::ip::tcp::socket>(m_io_service, m_ctx)), + m_ssl_options(epee::net_utils::ssl_support_t::e_ssl_support_autodetect), m_initialized(true), m_connected(false), m_deadline(m_io_service), @@ -136,13 +136,13 @@ namespace net_utils catch(...) { /* ignore */ } } - inline void set_ssl(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 = {}, const std::string &ca_path = {}, std::vector<std::vector<uint8_t>> allowed_fingerprints = {}, bool allow_any_cert = false) + inline void set_ssl(ssl_options_t ssl_options) { - if (ssl_support == epee::net_utils::ssl_support_t::e_ssl_support_disabled) - m_ctx = {boost::asio::ssl::context(boost::asio::ssl::context::tlsv12), {}, {}}; + if (ssl_options) + m_ctx = ssl_options.create_context(); else - m_ctx = create_ssl_context(private_key_and_certificate_path, ca_path, std::move(allowed_fingerprints), allow_any_cert); - m_ssl_support = ssl_support; + m_ctx = boost::asio::ssl::context(boost::asio::ssl::context::tlsv12); + m_ssl_options = std::move(ssl_options); } inline @@ -174,7 +174,7 @@ namespace net_utils // SSL Options if (ssl_support == epee::net_utils::ssl_support_t::e_ssl_support_enabled || ssl_support == epee::net_utils::ssl_support_t::e_ssl_support_autodetect) { - if (!ssl_handshake(*m_ssl_socket, boost::asio::ssl::stream_base::client, m_ctx)) + if (!m_ssl_options.handshake(*m_ssl_socket, boost::asio::ssl::stream_base::client)) { if (ssl_support == epee::net_utils::ssl_support_t::e_ssl_support_autodetect) { @@ -191,7 +191,7 @@ namespace net_utils return CONNECT_FAILURE; } } - m_ssl_support = epee::net_utils::ssl_support_t::e_ssl_support_enabled; + m_ssl_options.support = ssl_support_t::e_ssl_support_enabled; } return CONNECT_SUCCESS; }else @@ -212,21 +212,21 @@ namespace net_utils // Set SSL options // disable sslv2 - m_ssl_socket.reset(new boost::asio::ssl::stream<boost::asio::ip::tcp::socket>(m_io_service, m_ctx.context)); + m_ssl_socket.reset(new boost::asio::ssl::stream<boost::asio::ip::tcp::socket>(m_io_service, m_ctx)); // Get a list of endpoints corresponding to the server name. - try_connect_result_t try_connect_result = try_connect(addr, port, timeout, m_ssl_support); + try_connect_result_t try_connect_result = try_connect(addr, port, timeout, m_ssl_options.support); if (try_connect_result == CONNECT_FAILURE) return false; - if (m_ssl_support == epee::net_utils::ssl_support_t::e_ssl_support_autodetect) + if (m_ssl_options.support == epee::net_utils::ssl_support_t::e_ssl_support_autodetect) { - m_ssl_support = epee::net_utils::ssl_support_t::e_ssl_support_enabled; + m_ssl_options.support = epee::net_utils::ssl_support_t::e_ssl_support_enabled; if (try_connect_result == CONNECT_NO_SSL) { 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, timeout, m_ssl_support) != CONNECT_SUCCESS) + m_ssl_options.support = epee::net_utils::ssl_support_t::e_ssl_support_disabled; + if (try_connect(addr, port, timeout, m_ssl_options.support) != CONNECT_SUCCESS) return false; } } @@ -258,7 +258,7 @@ namespace net_utils if(m_connected) { m_connected = false; - if(m_ssl_support != epee::net_utils::ssl_support_t::e_ssl_support_disabled) + if(m_ssl_options) shutdown_ssl(); m_ssl_socket->next_layer().shutdown(boost::asio::ip::tcp::socket::shutdown_both); } @@ -392,7 +392,7 @@ namespace net_utils if (!m_connected || !m_ssl_socket->next_layer().is_open()) return false; if (ssl) - *ssl = m_ssl_support == epee::net_utils::ssl_support_t::e_ssl_support_enabled; + *ssl = m_ssl_options.support == ssl_support_t::e_ssl_support_enabled; return true; } @@ -556,7 +556,7 @@ namespace net_utils { m_deadline.cancel(); boost::system::error_code ec; - if(m_ssl_support != epee::net_utils::ssl_support_t::e_ssl_support_disabled) + if(m_ssl_options.support != ssl_support_t::e_ssl_support_disabled) shutdown_ssl(); m_ssl_socket->next_layer().cancel(ec); if(ec) @@ -633,7 +633,7 @@ namespace net_utils bool write(const void* data, size_t sz, boost::system::error_code& ec) { bool success; - if(m_ssl_support == epee::net_utils::ssl_support_t::e_ssl_support_enabled) + if(m_ssl_options.support == ssl_support_t::e_ssl_support_enabled) success = boost::asio::write(*m_ssl_socket, boost::asio::buffer(data, sz), ec); else success = boost::asio::write(m_ssl_socket->next_layer(), boost::asio::buffer(data, sz), ec); @@ -642,7 +642,7 @@ namespace net_utils void async_write(const void* data, size_t sz, boost::system::error_code& ec) { - if(m_ssl_support == epee::net_utils::ssl_support_t::e_ssl_support_enabled) + if(m_ssl_options.support == ssl_support_t::e_ssl_support_enabled) boost::asio::async_write(*m_ssl_socket, boost::asio::buffer(data, sz), boost::lambda::var(ec) = boost::lambda::_1); else boost::asio::async_write(m_ssl_socket->next_layer(), boost::asio::buffer(data, sz), boost::lambda::var(ec) = boost::lambda::_1); @@ -650,7 +650,7 @@ namespace net_utils void async_read(char* buff, size_t sz, boost::asio::detail::transfer_at_least_t transfer_at_least, handler_obj& hndlr) { - if(m_ssl_support != epee::net_utils::ssl_support_t::e_ssl_support_enabled) + if(m_ssl_options.support != ssl_support_t::e_ssl_support_enabled) boost::asio::async_read(m_ssl_socket->next_layer(), boost::asio::buffer(buff, sz), transfer_at_least, hndlr); else boost::asio::async_read(*m_ssl_socket, boost::asio::buffer(buff, sz), transfer_at_least, hndlr); @@ -659,10 +659,10 @@ namespace net_utils protected: boost::asio::io_service m_io_service; - epee::net_utils::ssl_context_t m_ctx; + boost::asio::ssl::context 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; + ssl_options_t m_ssl_options; bool m_initialized; bool m_connected; boost::asio::steady_timer m_deadline; diff --git a/contrib/epee/include/net/net_ssl.h b/contrib/epee/include/net/net_ssl.h index 1b90a948d..5107f4db6 100644 --- a/contrib/epee/include/net/net_ssl.h +++ b/contrib/epee/include/net/net_ssl.h @@ -46,23 +46,71 @@ namespace net_utils e_ssl_support_enabled, e_ssl_support_autodetect, }; - - struct ssl_context_t - { - boost::asio::ssl::context context; - std::string ca_path; - std::vector<std::vector<uint8_t>> allowed_fingerprints; - bool allow_any_cert; - }; + + enum class ssl_verification_t : uint8_t + { + none = 0, //!< Do not verify peer. + system_ca, //!< Verify peer via system ca only (do not inspect user certificates) + user_certificates //!< Verify peer via user certificate(s) only. + }; + + struct ssl_authentication_t + { + std::string private_key_path; //!< Private key used for authentication + std::string certificate_path; //!< Certificate used for authentication to peer. + + //! Load `private_key_path` and `certificate_path` into `ssl_context`. + void use_ssl_certificate(boost::asio::ssl::context &ssl_context) const; + }; + + /*! + \note `verification != disabled && support == disabled` is currently + "allowed" via public interface but obviously invalid configuation. + */ + class ssl_options_t + { + // force sorted behavior in private + std::vector<std::vector<std::uint8_t>> fingerprints_; + + public: + std::string ca_path; + ssl_authentication_t auth; + ssl_support_t support; + ssl_verification_t verification; + + //! Verification is set to system ca unless SSL is disabled. + ssl_options_t(ssl_support_t support) + : fingerprints_(), + ca_path(), + auth(), + support(support), + verification(support == ssl_support_t::e_ssl_support_disabled ? ssl_verification_t::none : ssl_verification_t::system_ca) + {} + + //! Provide user fingerprints and/or ca path. Enables SSL and user_certificate verification + ssl_options_t(std::vector<std::vector<std::uint8_t>> fingerprints, std::string ca_path); + + ssl_options_t(const ssl_options_t&) = default; + ssl_options_t(ssl_options_t&&) = default; + + ssl_options_t& operator=(const ssl_options_t&) = default; + ssl_options_t& operator=(ssl_options_t&&) = default; + + //! \return False iff ssl is disabled, otherwise true. + explicit operator bool() const noexcept { return support != ssl_support_t::e_ssl_support_disabled; } + + //! Search against internal fingerprints. Always false if `behavior() != user_certificate_check`. + bool has_fingerprint(boost::asio::ssl::verify_context &ctx) const; + + boost::asio::ssl::context create_context() const; + + bool handshake(boost::asio::ssl::stream<boost::asio::ip::tcp::socket> &socket, boost::asio::ssl::stream_base::handshake_type type) const; + }; // https://security.stackexchange.com/questions/34780/checking-client-hello-for-https-classification constexpr size_t get_ssl_magic_size() { return 9; } bool is_ssl(const unsigned char *data, size_t len); - ssl_context_t create_ssl_context(const std::pair<std::string, std::string> &private_key_and_certificate_path, const std::string &ca_path, std::vector<std::vector<uint8_t>> allowed_fingerprints, bool allow_any_cert); - void use_ssl_certificate(ssl_context_t &ssl_context, const std::pair<std::string, std::string> &private_key_and_certificate_path); - bool is_certificate_allowed(boost::asio::ssl::verify_context &ctx, const ssl_context_t &ssl_context); - bool ssl_handshake(boost::asio::ssl::stream<boost::asio::ip::tcp::socket> &socket, boost::asio::ssl::stream_base::handshake_type type, const epee::net_utils::ssl_context_t &ssl_context); - bool ssl_support_from_string(ssl_support_t &ssl, boost::string_ref s); + bool ssl_support_from_string(ssl_support_t &ssl, boost::string_ref s); } } diff --git a/contrib/epee/src/connection_basic.cpp b/contrib/epee/src/connection_basic.cpp index cafc08ead..19f2c7b02 100644 --- a/contrib/epee/src/connection_basic.cpp +++ b/contrib/epee/src/connection_basic.cpp @@ -65,6 +65,15 @@ namespace epee namespace net_utils { +namespace +{ + boost::asio::ssl::context& get_context(connection_basic_shared_state* state) + { + CHECK_AND_ASSERT_THROW_MES(state != nullptr, "state shared_ptr cannot be null"); + return state->ssl_context; + } +} + std::string to_string(t_connection_type type) { if (type == e_connection_type_NET) @@ -119,56 +128,54 @@ connection_basic_pimpl::connection_basic_pimpl(const std::string &name) : m_thro int connection_basic_pimpl::m_default_tos; // methods: -connection_basic::connection_basic(boost::asio::ip::tcp::socket&& sock, boost::shared_ptr<socket_stats> stats, ssl_support_t ssl_support, ssl_context_t &ssl_context) +connection_basic::connection_basic(boost::asio::ip::tcp::socket&& sock, boost::shared_ptr<connection_basic_shared_state> state, ssl_support_t ssl_support) : - m_stats(std::move(stats)), + m_state(std::move(state)), mI( new connection_basic_pimpl("peer") ), strand_(GET_IO_SERVICE(sock)), - socket_(GET_IO_SERVICE(sock), ssl_context.context), + socket_(GET_IO_SERVICE(sock), get_context(m_state.get())), m_want_close_connection(false), m_was_shutdown(false), - m_ssl_support(ssl_support), - m_ssl_context(ssl_context) + m_ssl_support(ssl_support) { // add nullptr checks if removed - CHECK_AND_ASSERT_THROW_MES(bool(m_stats), "stats shared_ptr cannot be null"); + assert(m_state != nullptr); // release runtime check in get_context socket_.next_layer() = std::move(sock); - ++(m_stats->sock_count); // increase the global counter - mI->m_peer_number = m_stats->sock_number.fetch_add(1); // use, and increase the generated number + ++(m_state->sock_count); // increase the global counter + mI->m_peer_number = m_state->sock_number.fetch_add(1); // use, and increase the generated number std::string remote_addr_str = "?"; try { boost::system::error_code e; remote_addr_str = socket().remote_endpoint(e).address().to_string(); } catch(...){} ; - _note("Spawned connection #"<<mI->m_peer_number<<" to " << remote_addr_str << " currently we have sockets count:" << m_stats->sock_count); + _note("Spawned connection #"<<mI->m_peer_number<<" to " << remote_addr_str << " currently we have sockets count:" << m_state->sock_count); } -connection_basic::connection_basic(boost::asio::io_service &io_service, boost::shared_ptr<socket_stats> stats, ssl_support_t ssl_support, ssl_context_t &ssl_context) +connection_basic::connection_basic(boost::asio::io_service &io_service, boost::shared_ptr<connection_basic_shared_state> state, ssl_support_t ssl_support) : - m_stats(std::move(stats)), + m_state(std::move(state)), mI( new connection_basic_pimpl("peer") ), strand_(io_service), - socket_(io_service, ssl_context.context), - m_want_close_connection(false), + socket_(io_service, get_context(m_state.get())), + m_want_close_connection(false), m_was_shutdown(false), - m_ssl_support(ssl_support), - m_ssl_context(ssl_context) + m_ssl_support(ssl_support) { // add nullptr checks if removed - CHECK_AND_ASSERT_THROW_MES(bool(m_stats), "stats shared_ptr cannot be null"); + assert(m_state != nullptr); // release runtime check in get_context - ++(m_stats->sock_count); // increase the global counter - mI->m_peer_number = m_stats->sock_number.fetch_add(1); // use, and increase the generated number + ++(m_state->sock_count); // increase the global counter + mI->m_peer_number = m_state->sock_number.fetch_add(1); // use, and increase the generated number std::string remote_addr_str = "?"; try { boost::system::error_code e; remote_addr_str = socket().remote_endpoint(e).address().to_string(); } catch(...){} ; - _note("Spawned connection #"<<mI->m_peer_number<<" to " << remote_addr_str << " currently we have sockets count:" << m_stats->sock_count); + _note("Spawned connection #"<<mI->m_peer_number<<" to " << remote_addr_str << " currently we have sockets count:" << m_state->sock_count); } connection_basic::~connection_basic() noexcept(false) { - --(m_stats->sock_count); + --(m_state->sock_count); std::string remote_addr_str = "?"; try { boost::system::error_code e; remote_addr_str = socket().remote_endpoint(e).address().to_string(); } catch(...){} ; diff --git a/contrib/epee/src/net_ssl.cpp b/contrib/epee/src/net_ssl.cpp index 6b156f238..1d137219a 100644 --- a/contrib/epee/src/net_ssl.cpp +++ b/contrib/epee/src/net_ssl.cpp @@ -171,22 +171,34 @@ bool create_ssl_certificate(EVP_PKEY *&pkey, X509 *&cert) return true; } -ssl_context_t create_ssl_context(const std::pair<std::string, std::string> &private_key_and_certificate_path, const std::string &ca_path, std::vector<std::vector<uint8_t>> allowed_fingerprints, bool allow_any_cert) +ssl_options_t::ssl_options_t(std::vector<std::vector<std::uint8_t>> fingerprints, std::string ca_path) + : fingerprints_(std::move(fingerprints)), + ca_path(std::move(ca_path)), + auth(), + support(ssl_support_t::e_ssl_support_enabled), + verification(ssl_verification_t::user_certificates) { - ssl_context_t ssl_context{boost::asio::ssl::context(boost::asio::ssl::context::tlsv12), std::move(ca_path), std::move(allowed_fingerprints)}; + std::sort(fingerprints_.begin(), fingerprints_.end()); +} + +boost::asio::ssl::context ssl_options_t::create_context() const +{ + boost::asio::ssl::context ssl_context{boost::asio::ssl::context::tlsv12}; + if (!bool(*this)) + return ssl_context; // only allow tls v1.2 and up - ssl_context.context.set_options(boost::asio::ssl::context::default_workarounds); - ssl_context.context.set_options(boost::asio::ssl::context::no_sslv2); - ssl_context.context.set_options(boost::asio::ssl::context::no_sslv3); - ssl_context.context.set_options(boost::asio::ssl::context::no_tlsv1); - ssl_context.context.set_options(boost::asio::ssl::context::no_tlsv1_1); + ssl_context.set_options(boost::asio::ssl::context::default_workarounds); + ssl_context.set_options(boost::asio::ssl::context::no_sslv2); + ssl_context.set_options(boost::asio::ssl::context::no_sslv3); + ssl_context.set_options(boost::asio::ssl::context::no_tlsv1); + ssl_context.set_options(boost::asio::ssl::context::no_tlsv1_1); // only allow a select handful of tls v1.3 and v1.2 ciphers to be used - SSL_CTX_set_cipher_list(ssl_context.context.native_handle(), "ECDHE-ECDSA-CHACHA20-POLY1305-SHA256:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES256-SHA384:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-CHACHA20-POLY1305"); + SSL_CTX_set_cipher_list(ssl_context.native_handle(), "ECDHE-ECDSA-CHACHA20-POLY1305-SHA256:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES256-SHA384:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-CHACHA20-POLY1305"); // set options on the SSL context for added security - SSL_CTX *ctx = ssl_context.context.native_handle(); + SSL_CTX *ctx = ssl_context.native_handle(); CHECK_AND_ASSERT_THROW_MES(ctx, "Failed to get SSL context"); SSL_CTX_clear_options(ctx, SSL_OP_LEGACY_SERVER_CONNECT); // SSL_CTX_SET_OPTIONS(3) SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF); // https://stackoverflow.com/questions/22378442 @@ -203,17 +215,25 @@ ssl_context_t create_ssl_context(const std::pair<std::string, std::string> &priv SSL_CTX_set_options(ctx, SSL_OP_NO_COMPRESSION); #endif - if (!ssl_context.ca_path.empty()) + switch (verification) { - const boost::system::error_code err = load_ca_file(ssl_context.context, ssl_context.ca_path); - if (err) - throw boost::system::system_error{err, "Failed to load user CA file at " + ssl_context.ca_path}; + case ssl_verification_t::system_ca: + ssl_context.set_default_verify_paths(); + break; + case ssl_verification_t::user_certificates: + if (!ca_path.empty()) + { + const boost::system::error_code err = load_ca_file(ssl_context, ca_path); + if (err) + throw boost::system::system_error{err, "Failed to load user CA file at " + ca_path}; + } + break; + default: + break; } - else if (allowed_fingerprints.empty()) - ssl_context.context.set_default_verify_paths(); // only use system-CAs if no user-supplied cert info - CHECK_AND_ASSERT_THROW_MES(private_key_and_certificate_path.first.empty() == private_key_and_certificate_path.second.empty(), "private key and certificate must be either both given or both empty"); - if (private_key_and_certificate_path.second.empty()) + CHECK_AND_ASSERT_THROW_MES(auth.private_key_path.empty() == auth.certificate_path.empty(), "private key and certificate must be either both given or both empty"); + if (auth.private_key_path.empty()) { EVP_PKEY *pkey; X509 *cert; @@ -224,19 +244,15 @@ ssl_context_t create_ssl_context(const std::pair<std::string, std::string> &priv EVP_PKEY_free(pkey); } else - { - ssl_context.context.use_private_key_file(private_key_and_certificate_path.first, boost::asio::ssl::context::pem); - ssl_context.context.use_certificate_file(private_key_and_certificate_path.second, boost::asio::ssl::context::pem); - } - ssl_context.allow_any_cert = allow_any_cert; + auth.use_ssl_certificate(ssl_context); return ssl_context; } -void use_ssl_certificate(ssl_context_t &ssl_context, const std::pair<std::string, std::string> &private_key_and_certificate_path) +void ssl_authentication_t::use_ssl_certificate(boost::asio::ssl::context &ssl_context) const { - ssl_context.context.use_private_key_file(private_key_and_certificate_path.first, boost::asio::ssl::context::pem); - ssl_context.context.use_certificate_file(private_key_and_certificate_path.second, boost::asio::ssl::context::pem); + ssl_context.use_private_key_file(private_key_path, boost::asio::ssl::context::pem); + ssl_context.use_certificate_file(certificate_path, boost::asio::ssl::context::pem); } bool is_ssl(const unsigned char *data, size_t len) @@ -259,10 +275,10 @@ bool is_ssl(const unsigned char *data, size_t len) return false; } -bool is_certificate_allowed(boost::asio::ssl::verify_context &ctx, const ssl_context_t &ssl_context) +bool ssl_options_t::has_fingerprint(boost::asio::ssl::verify_context &ctx) const { // can we check the certificate against a list of fingerprints? - if (!ssl_context.allowed_fingerprints.empty()) { + if (!fingerprints_.empty()) { X509_STORE_CTX *sctx = ctx.native_handle(); if (!sctx) { @@ -289,15 +305,13 @@ bool is_certificate_allowed(boost::asio::ssl::verify_context &ctx, const ssl_con // strip unnecessary bytes from the digest digest.resize(size); - // is the certificate fingerprint inside the list of allowed fingerprints? - if (std::find(ssl_context.allowed_fingerprints.begin(), ssl_context.allowed_fingerprints.end(), digest) != ssl_context.allowed_fingerprints.end()) - return true; + return std::binary_search(fingerprints_.begin(), fingerprints_.end(), digest); } - return ssl_context.allowed_fingerprints.empty() && ssl_context.ca_path.empty(); + return false; } -bool ssl_handshake(boost::asio::ssl::stream<boost::asio::ip::tcp::socket> &socket, boost::asio::ssl::stream_base::handshake_type type, const epee::net_utils::ssl_context_t &ssl_context) +bool ssl_options_t::handshake(boost::asio::ssl::stream<boost::asio::ip::tcp::socket> &socket, boost::asio::ssl::stream_base::handshake_type type) const { bool verified = false; socket.next_layer().set_option(boost::asio::ip::tcp::no_delay(true)); @@ -306,8 +320,8 @@ bool ssl_handshake(boost::asio::ssl::stream<boost::asio::ip::tcp::socket> &socke no expected hostname for server to verify against. If server doesn't have specific whitelisted certificates for client, don't require client to send certificate at all. */ - const bool no_verification = ssl_context.allow_any_cert || - (type == boost::asio::ssl::stream_base::server && ssl_context.allowed_fingerprints.empty() && ssl_context.ca_path.empty()); + const bool no_verification = verification == ssl_verification_t::none || + (type == boost::asio::ssl::stream_base::server && fingerprints_.empty() && ca_path.empty()); /* According to OpenSSL documentation (and SSL specifications), server must always send certificate unless "anonymous" cipher mode is used which are @@ -321,7 +335,7 @@ bool ssl_handshake(boost::asio::ssl::stream<boost::asio::ip::tcp::socket> &socke { // preverified means it passed system or user CA check. System CA is never loaded // when fingerprints are whitelisted. - if (!preverified && !is_certificate_allowed(ctx, ssl_context)) { + if (!preverified && verification == ssl_verification_t::user_certificates && !has_fingerprint(ctx)) { MERROR("Certificate is not in the allowed list, connection droppped"); return false; } @@ -337,7 +351,7 @@ bool ssl_handshake(boost::asio::ssl::stream<boost::asio::ip::tcp::socket> &socke MERROR("handshake failed, connection dropped: " << ec.message()); return false; } - if (!no_verification && !verified) + if (verification == ssl_verification_t::none && !verified) { MERROR("Peer did not provide a certificate in the allowed list, connection dropped"); return false; |