diff options
Diffstat (limited to 'contrib/epee')
18 files changed, 648 insertions, 113 deletions
diff --git a/contrib/epee/include/net/abstract_tcp_server2.h b/contrib/epee/include/net/abstract_tcp_server2.h index 374a28a2e..b38ab5399 100644 --- a/contrib/epee/include/net/abstract_tcp_server2.h +++ b/contrib/epee/include/net/abstract_tcp_server2.h @@ -70,7 +70,7 @@ namespace net_utils struct i_connection_filter { - virtual bool is_remote_host_allowed(const epee::net_utils::network_address &address)=0; + virtual bool is_remote_host_allowed(const epee::net_utils::network_address &address, time_t *t = NULL)=0; protected: virtual ~i_connection_filter(){} }; @@ -227,8 +227,12 @@ 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", 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); + bool init_server(uint32_t port, const std::string& address = "0.0.0.0", + uint32_t port_ipv6 = 0, const std::string& address_ipv6 = "::", bool use_ipv6 = false, bool require_ipv4 = true, + 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", + const std::string port_ipv6 = "", const std::string address_ipv6 = "::", bool use_ipv6 = false, bool require_ipv4 = true, + 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()); @@ -269,6 +273,7 @@ namespace net_utils } int get_binded_port(){return m_port;} + int get_binded_port_ipv6(){return m_port_ipv6;} long get_connections_count() const { @@ -339,7 +344,9 @@ namespace net_utils /// Run the server's io_service loop. bool worker_thread(); /// Handle completion of an asynchronous accept operation. - void handle_accept(const boost::system::error_code& e); + void handle_accept_ipv4(const boost::system::error_code& e); + void handle_accept_ipv6(const boost::system::error_code& e); + void handle_accept(const boost::system::error_code& e, bool ipv6 = false); bool is_thread_worker(); @@ -360,11 +367,16 @@ namespace net_utils /// Acceptor used to listen for incoming connections. boost::asio::ip::tcp::acceptor acceptor_; + boost::asio::ip::tcp::acceptor acceptor_ipv6; epee::net_utils::network_address default_remote; std::atomic<bool> m_stop_signal_sent; uint32_t m_port; + uint32_t m_port_ipv6; std::string m_address; + std::string m_address_ipv6; + bool m_use_ipv6; + bool m_require_ipv4; std::string m_thread_name_prefix; //TODO: change to enum server_type, now used size_t m_threads_count; std::vector<boost::shared_ptr<boost::thread> > m_threads; @@ -376,6 +388,8 @@ namespace net_utils /// The next connection to be accepted connection_ptr new_connection_; + connection_ptr new_connection_ipv6; + boost::mutex connections_mutex; std::set<connection_ptr> connections_; diff --git a/contrib/epee/include/net/abstract_tcp_server2.inl b/contrib/epee/include/net/abstract_tcp_server2.inl index 821594355..19e9c9af9 100644 --- a/contrib/epee/include/net/abstract_tcp_server2.inl +++ b/contrib/epee/include/net/abstract_tcp_server2.inl @@ -54,6 +54,9 @@ #undef MONERO_DEFAULT_LOG_CATEGORY #define MONERO_DEFAULT_LOG_CATEGORY "net" +#define AGGRESSIVE_TIMEOUT_THRESHOLD 120 // sockets +#define NEW_CONNECTION_TIMEOUT_LOCAL 1200000 // 2 minutes +#define NEW_CONNECTION_TIMEOUT_REMOTE 10000 // 10 seconds #define DEFAULT_TIMEOUT_MS_LOCAL 1800000 // 30 minutes #define DEFAULT_TIMEOUT_MS_REMOTE 300000 // 5 minutes #define TIMEOUT_EXTRA_MS_PER_BYTE 0.2 @@ -142,10 +145,18 @@ PRAGMA_WARNING_DISABLE_VS(4355) boost::system::error_code ec; auto remote_ep = socket().remote_endpoint(ec); CHECK_AND_NO_ASSERT_MES(!ec, false, "Failed to get remote endpoint: " << ec.message() << ':' << ec.value()); - CHECK_AND_NO_ASSERT_MES(remote_ep.address().is_v4(), false, "IPv6 not supported here"); + CHECK_AND_NO_ASSERT_MES(remote_ep.address().is_v4() || remote_ep.address().is_v6(), false, "only IPv4 and IPv6 supported here"); - const unsigned long ip_{boost::asio::detail::socket_ops::host_to_network_long(remote_ep.address().to_v4().to_ulong())}; - return start(is_income, is_multithreaded, ipv4_network_address{uint32_t(ip_), remote_ep.port()}); + if (remote_ep.address().is_v4()) + { + const unsigned long ip_ = boost::asio::detail::socket_ops::host_to_network_long(remote_ep.address().to_v4().to_ulong()); + return start(is_income, is_multithreaded, ipv4_network_address{uint32_t(ip_), remote_ep.port()}); + } + else + { + const auto ip_{remote_ep.address().to_v6()}; + return start(is_income, is_multithreaded, ipv6_network_address{ip_, remote_ep.port()}); + } CATCH_ENTRY_L0("connection<t_protocol_handler>::start()", false); } //--------------------------------------------------------------------------------- @@ -189,7 +200,7 @@ PRAGMA_WARNING_DISABLE_VS(4355) m_protocol_handler.after_init_connection(); - reset_timer(get_default_timeout(), false); + reset_timer(boost::posix_time::milliseconds(m_local ? NEW_CONNECTION_TIMEOUT_LOCAL : NEW_CONNECTION_TIMEOUT_REMOTE), false); // first read on the raw socket to detect SSL for the server buffer_ssl_init_fill = 0; @@ -324,12 +335,14 @@ PRAGMA_WARNING_DISABLE_VS(4355) if (!e) { + double current_speed_down; { CRITICAL_REGION_LOCAL(m_throttle_speed_in_mutex); m_throttle_speed_in.handle_trafic_exact(bytes_transferred); - context.m_current_speed_down = m_throttle_speed_in.get_current_speed(); - context.m_max_speed_down = std::max(context.m_max_speed_down, context.m_current_speed_down); + current_speed_down = m_throttle_speed_in.get_current_speed(); } + context.m_current_speed_down = current_speed_down; + context.m_max_speed_down = std::max(context.m_max_speed_down, current_speed_down); { CRITICAL_REGION_LOCAL( epee::net_utils::network_throttle_manager::network_throttle_manager::m_lock_get_global_throttle_in ); @@ -599,12 +612,14 @@ PRAGMA_WARNING_DISABLE_VS(4355) return false; if(m_was_shutdown) return false; + double current_speed_up; { CRITICAL_REGION_LOCAL(m_throttle_speed_out_mutex); m_throttle_speed_out.handle_trafic_exact(cb); - context.m_current_speed_up = m_throttle_speed_out.get_current_speed(); - context.m_max_speed_up = std::max(context.m_max_speed_up, context.m_current_speed_up); + current_speed_up = m_throttle_speed_out.get_current_speed(); } + context.m_current_speed_up = current_speed_up; + context.m_max_speed_up = std::max(context.m_max_speed_up, current_speed_up); //_info("[sock " << socket().native_handle() << "] SEND " << cb); context.m_last_send = time(NULL); @@ -691,7 +706,7 @@ PRAGMA_WARNING_DISABLE_VS(4355) { unsigned count; try { count = host_count(m_host); } catch (...) { count = 0; } - const unsigned shift = std::min(std::max(count, 1u) - 1, 8u); + const unsigned shift = get_state().sock_count > AGGRESSIVE_TIMEOUT_THRESHOLD ? std::min(std::max(count, 1u) - 1, 8u) : 0; boost::posix_time::milliseconds timeout(0); if (m_local) timeout = boost::posix_time::milliseconds(DEFAULT_TIMEOUT_MS_LOCAL >> shift); @@ -730,8 +745,6 @@ PRAGMA_WARNING_DISABLE_VS(4355) template<class t_protocol_handler> void connection<t_protocol_handler>::reset_timer(boost::posix_time::milliseconds ms, bool add) { - if (m_connection_type != e_connection_type_RPC) - return; MTRACE("Setting " << ms << " expiry"); auto self = safe_shared_from_this(); if(!self) @@ -899,12 +912,14 @@ PRAGMA_WARNING_DISABLE_VS(4355) m_io_service_local_instance(new worker()), io_service_(m_io_service_local_instance->io_service), acceptor_(io_service_), + acceptor_ipv6(io_service_), default_remote(), m_stop_signal_sent(false), m_port(0), m_threads_count(0), m_thread_index(0), m_connection_type( connection_type ), - new_connection_() + new_connection_(), + new_connection_ipv6() { create_server_type_map(); m_thread_name_prefix = "NET"; @@ -915,12 +930,14 @@ PRAGMA_WARNING_DISABLE_VS(4355) m_state(boost::make_shared<typename connection<t_protocol_handler>::shared_state>()), io_service_(extarnal_io_service), acceptor_(io_service_), + acceptor_ipv6(io_service_), default_remote(), m_stop_signal_sent(false), m_port(0), m_threads_count(0), m_thread_index(0), m_connection_type(connection_type), - new_connection_() + new_connection_(), + new_connection_ipv6() { create_server_type_map(); m_thread_name_prefix = "NET"; @@ -942,29 +959,92 @@ 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, ssl_options_t ssl_options) + bool boosted_tcp_server<t_protocol_handler>::init_server(uint32_t port, const std::string& address, + uint32_t port_ipv6, const std::string& address_ipv6, bool use_ipv6, bool require_ipv4, + ssl_options_t ssl_options) { TRY_ENTRY(); m_stop_signal_sent = false; m_port = port; + m_port_ipv6 = port_ipv6; m_address = address; + m_address_ipv6 = address_ipv6; + m_use_ipv6 = use_ipv6; + m_require_ipv4 = require_ipv4; + 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); - boost::asio::ip::tcp::endpoint endpoint = *resolver.resolve(query); - acceptor_.open(endpoint.protocol()); - acceptor_.set_option(boost::asio::ip::tcp::acceptor::reuse_address(true)); - acceptor_.bind(endpoint); - acceptor_.listen(); - 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, 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)); + + std::string ipv4_failed = ""; + std::string ipv6_failed = ""; + try + { + 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); + boost::asio::ip::tcp::endpoint endpoint = *resolver.resolve(query); + acceptor_.open(endpoint.protocol()); + // Open the acceptor with the option to reuse the address (i.e. SO_REUSEADDR). + acceptor_.set_option(boost::asio::ip::tcp::acceptor::reuse_address(true)); + acceptor_.bind(endpoint); + acceptor_.listen(); + boost::asio::ip::tcp::endpoint binded_endpoint = acceptor_.local_endpoint(); + m_port = binded_endpoint.port(); + MDEBUG("start accept (IPv4)"); + 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_ipv4, this, + boost::asio::placeholders::error)); + } + catch (const std::exception &e) + { + ipv4_failed = e.what(); + } + + if (ipv4_failed != "") + { + MERROR("Failed to bind IPv4: " << ipv4_failed); + if (require_ipv4) + { + throw std::runtime_error("Failed to bind IPv4 (set to required)"); + } + } + + if (use_ipv6) + { + try + { + if (port_ipv6 == 0) port_ipv6 = port; // default arg means bind to same port as ipv4 + boost::asio::ip::tcp::resolver resolver(io_service_); + boost::asio::ip::tcp::resolver::query query(address_ipv6, boost::lexical_cast<std::string>(port_ipv6), boost::asio::ip::tcp::resolver::query::canonical_name); + boost::asio::ip::tcp::endpoint endpoint = *resolver.resolve(query); + acceptor_ipv6.open(endpoint.protocol()); + // Open the acceptor with the option to reuse the address (i.e. SO_REUSEADDR). + acceptor_ipv6.set_option(boost::asio::ip::tcp::acceptor::reuse_address(true)); + acceptor_ipv6.set_option(boost::asio::ip::v6_only(true)); + acceptor_ipv6.bind(endpoint); + acceptor_ipv6.listen(); + boost::asio::ip::tcp::endpoint binded_endpoint = acceptor_ipv6.local_endpoint(); + m_port_ipv6 = binded_endpoint.port(); + MDEBUG("start accept (IPv6)"); + new_connection_ipv6.reset(new connection<t_protocol_handler>(io_service_, m_state, m_connection_type, m_state->ssl_options().support)); + acceptor_ipv6.async_accept(new_connection_ipv6->socket(), + boost::bind(&boosted_tcp_server<t_protocol_handler>::handle_accept_ipv6, this, + boost::asio::placeholders::error)); + } + catch (const std::exception &e) + { + ipv6_failed = e.what(); + } + } + + if (use_ipv6 && ipv6_failed != "") + { + MERROR("Failed to bind IPv6: " << ipv6_failed); + if (ipv4_failed != "") + { + throw std::runtime_error("Failed to bind IPv4 and IPv6"); + } + } return true; } @@ -983,15 +1063,23 @@ 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, ssl_options_t ssl_options) + bool boosted_tcp_server<t_protocol_handler>::init_server(const std::string port, const std::string& address, + const std::string port_ipv6, const std::string address_ipv6, bool use_ipv6, bool require_ipv4, + ssl_options_t ssl_options) { uint32_t p = 0; + uint32_t p_ipv6 = 0; if (port.size() && !string_tools::get_xtype_from_string(p, port)) { MERROR("Failed to convert port no = " << port); return false; } - return this->init_server(p, address, std::move(ssl_options)); + + if (port_ipv6.size() && !string_tools::get_xtype_from_string(p_ipv6, port_ipv6)) { + MERROR("Failed to convert port no = " << port_ipv6); + return false; + } + return this->init_server(p, address, p_ipv6, address_ipv6, use_ipv6, require_ipv4, std::move(ssl_options)); } POP_WARNINGS //--------------------------------------------------------------------------------- @@ -1083,7 +1171,7 @@ POP_WARNINGS { //some problems with the listening socket ?.. _dbg1("Net service stopped without stop request, restarting..."); - if(!this->init_server(m_port, m_address)) + if(!this->init_server(m_port, m_address, m_port_ipv6, m_address_ipv6, m_use_ipv6, m_require_ipv4)) { _dbg1("Reiniting service failed, exit."); return false; @@ -1149,29 +1237,52 @@ POP_WARNINGS } //--------------------------------------------------------------------------------- template<class t_protocol_handler> - void boosted_tcp_server<t_protocol_handler>::handle_accept(const boost::system::error_code& e) + void boosted_tcp_server<t_protocol_handler>::handle_accept_ipv4(const boost::system::error_code& e) + { + this->handle_accept(e, false); + } + //--------------------------------------------------------------------------------- + template<class t_protocol_handler> + void boosted_tcp_server<t_protocol_handler>::handle_accept_ipv6(const boost::system::error_code& e) + { + this->handle_accept(e, true); + } + //--------------------------------------------------------------------------------- + template<class t_protocol_handler> + void boosted_tcp_server<t_protocol_handler>::handle_accept(const boost::system::error_code& e, bool ipv6) { MDEBUG("handle_accept"); + + boost::asio::ip::tcp::acceptor* current_acceptor = &acceptor_; + connection_ptr* current_new_connection = &new_connection_; + auto accept_function_pointer = &boosted_tcp_server<t_protocol_handler>::handle_accept_ipv4; + if (ipv6) + { + current_acceptor = &acceptor_ipv6; + current_new_connection = &new_connection_ipv6; + accept_function_pointer = &boosted_tcp_server<t_protocol_handler>::handle_accept_ipv6; + } + try { if (!e) { - if (m_connection_type == e_connection_type_RPC) { - const char *ssl_message = "unknown"; - switch (new_connection_->get_ssl_support()) - { - case epee::net_utils::ssl_support_t::e_ssl_support_disabled: ssl_message = "disabled"; break; - case epee::net_utils::ssl_support_t::e_ssl_support_enabled: ssl_message = "enabled"; break; - case epee::net_utils::ssl_support_t::e_ssl_support_autodetect: ssl_message = "autodetection"; break; - } - MDEBUG("New server for RPC connections, SSL " << ssl_message); - 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())); - acceptor_.async_accept(new_connection_->socket(), - boost::bind(&boosted_tcp_server<t_protocol_handler>::handle_accept, this, - boost::asio::placeholders::error)); + if (m_connection_type == e_connection_type_RPC) { + const char *ssl_message = "unknown"; + switch ((*current_new_connection)->get_ssl_support()) + { + case epee::net_utils::ssl_support_t::e_ssl_support_disabled: ssl_message = "disabled"; break; + case epee::net_utils::ssl_support_t::e_ssl_support_enabled: ssl_message = "enabled"; break; + case epee::net_utils::ssl_support_t::e_ssl_support_autodetect: ssl_message = "autodetection"; break; + } + MDEBUG("New server for RPC connections, SSL " << ssl_message); + (*current_new_connection)->setRpcStation(); // hopefully this is not needed actually + } + connection_ptr conn(std::move((*current_new_connection))); + (*current_new_connection).reset(new connection<t_protocol_handler>(io_service_, m_state, m_connection_type, conn->get_ssl_support())); + current_acceptor->async_accept((*current_new_connection)->socket(), + boost::bind(accept_function_pointer, this, + boost::asio::placeholders::error)); boost::asio::socket_base::keep_alive opt(true); conn->socket().set_option(opt); @@ -1203,10 +1314,10 @@ 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())); - acceptor_.async_accept(new_connection_->socket(), - boost::bind(&boosted_tcp_server<t_protocol_handler>::handle_accept, this, - boost::asio::placeholders::error)); + (*current_new_connection).reset(new connection<t_protocol_handler>(io_service_, m_state, m_connection_type, (*current_new_connection)->get_ssl_support())); + current_acceptor->async_accept((*current_new_connection)->socket(), + boost::bind(accept_function_pointer, this, + boost::asio::placeholders::error)); } //--------------------------------------------------------------------------------- template<class t_protocol_handler> @@ -1340,23 +1451,84 @@ POP_WARNINGS epee::misc_utils::auto_scope_leave_caller scope_exit_handler = epee::misc_utils::create_scope_leave_handler([&](){ CRITICAL_REGION_LOCAL(connections_mutex); connections_.erase(new_connection_l); }); boost::asio::ip::tcp::socket& sock_ = new_connection_l->socket(); - ////////////////////////////////////////////////////////////////////////// + bool try_ipv6 = false; + boost::asio::ip::tcp::resolver resolver(io_service_); boost::asio::ip::tcp::resolver::query query(boost::asio::ip::tcp::v4(), adr, port, boost::asio::ip::tcp::resolver::query::canonical_name); - boost::asio::ip::tcp::resolver::iterator iterator = resolver.resolve(query); + boost::system::error_code resolve_error; + boost::asio::ip::tcp::resolver::iterator iterator; + try + { + //resolving ipv4 address as ipv6 throws, catch here and move on + iterator = resolver.resolve(query, resolve_error); + } + catch (const boost::system::system_error& e) + { + if (!m_use_ipv6 || (resolve_error != boost::asio::error::host_not_found && + resolve_error != boost::asio::error::host_not_found_try_again)) + { + throw; + } + try_ipv6 = true; + } + catch (...) + { + throw; + } + + std::string bind_ip_to_use; + boost::asio::ip::tcp::resolver::iterator end; if(iterator == end) { - _erro("Failed to resolve " << adr); - return false; + if (!m_use_ipv6) + { + _erro("Failed to resolve " << adr); + return false; + } + else + { + try_ipv6 = true; + MINFO("Resolving address as IPv4 failed, trying IPv6"); + } + } + else + { + bind_ip_to_use = bind_ip; + } + + if (try_ipv6) + { + boost::asio::ip::tcp::resolver::query query6(boost::asio::ip::tcp::v6(), adr, port, boost::asio::ip::tcp::resolver::query::canonical_name); + + iterator = resolver.resolve(query6, resolve_error); + + if(iterator == end) + { + _erro("Failed to resolve " << adr); + return false; + } + else + { + if (bind_ip == "0.0.0.0") + { + bind_ip_to_use = "::"; + } + else + { + bind_ip_to_use = ""; + } + + } + } - ////////////////////////////////////////////////////////////////////////// + LOG_ERROR("Trying connect to " << adr << ":" << port << ", bind_ip = " << bind_ip_to_use); //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); - auto try_connect_result = try_connect(new_connection_l, adr, port, sock_, remote_endpoint, bind_ip, conn_timeout, ssl_support); + auto try_connect_result = try_connect(new_connection_l, adr, port, sock_, remote_endpoint, bind_ip_to_use, conn_timeout, ssl_support); if (try_connect_result == CONNECT_FAILURE) return false; if (ssl_support == epee::net_utils::ssl_support_t::e_ssl_support_autodetect && try_connect_result == CONNECT_NO_SSL) @@ -1364,7 +1536,7 @@ POP_WARNINGS // we connected, but could not connect with SSL, try without MERROR("SSL handshake failed on an autodetect connection, reconnecting without SSL"); new_connection_l->disable_ssl(); - try_connect_result = try_connect(new_connection_l, adr, port, sock_, remote_endpoint, bind_ip, conn_timeout, epee::net_utils::ssl_support_t::e_ssl_support_disabled); + try_connect_result = try_connect(new_connection_l, adr, port, sock_, remote_endpoint, bind_ip_to_use, conn_timeout, epee::net_utils::ssl_support_t::e_ssl_support_disabled); if (try_connect_result != CONNECT_SUCCESS) return false; } @@ -1404,17 +1576,59 @@ POP_WARNINGS epee::misc_utils::auto_scope_leave_caller scope_exit_handler = epee::misc_utils::create_scope_leave_handler([&](){ CRITICAL_REGION_LOCAL(connections_mutex); connections_.erase(new_connection_l); }); boost::asio::ip::tcp::socket& sock_ = new_connection_l->socket(); - ////////////////////////////////////////////////////////////////////////// + bool try_ipv6 = false; + boost::asio::ip::tcp::resolver resolver(io_service_); boost::asio::ip::tcp::resolver::query query(boost::asio::ip::tcp::v4(), adr, port, boost::asio::ip::tcp::resolver::query::canonical_name); - boost::asio::ip::tcp::resolver::iterator iterator = resolver.resolve(query); + boost::system::error_code resolve_error; + boost::asio::ip::tcp::resolver::iterator iterator; + try + { + //resolving ipv4 address as ipv6 throws, catch here and move on + iterator = resolver.resolve(query, resolve_error); + } + catch (const boost::system::system_error& e) + { + if (!m_use_ipv6 || (resolve_error != boost::asio::error::host_not_found && + resolve_error != boost::asio::error::host_not_found_try_again)) + { + throw; + } + try_ipv6 = true; + } + catch (...) + { + throw; + } + boost::asio::ip::tcp::resolver::iterator end; if(iterator == end) { - _erro("Failed to resolve " << adr); - return false; + if (!try_ipv6) + { + _erro("Failed to resolve " << adr); + return false; + } + else + { + MINFO("Resolving address as IPv4 failed, trying IPv6"); + } } - ////////////////////////////////////////////////////////////////////////// + + if (try_ipv6) + { + boost::asio::ip::tcp::resolver::query query6(boost::asio::ip::tcp::v6(), adr, port, boost::asio::ip::tcp::resolver::query::canonical_name); + + iterator = resolver.resolve(query6, resolve_error); + + if(iterator == end) + { + _erro("Failed to resolve " << adr); + return false; + } + } + + boost::asio::ip::tcp::endpoint remote_endpoint(*iterator); sock_.open(remote_endpoint.protocol()); diff --git a/contrib/epee/include/net/connection_basic.hpp b/contrib/epee/include/net/connection_basic.hpp index d3f5f4f24..2acc6cdda 100644 --- a/contrib/epee/include/net/connection_basic.hpp +++ b/contrib/epee/include/net/connection_basic.hpp @@ -186,8 +186,6 @@ class connection_basic { // not-templated base class for rapid developmet of som void sleep_before_packet(size_t packet_size, int phase, int q_len); // execute a sleep ; phase is not really used now(?) static void save_limit_to_file(int limit); ///< for dr-monero static double get_sleep_time(size_t cb); - - static void set_save_graph(bool save_graph); }; } // nameserver diff --git a/contrib/epee/include/net/http_protocol_handler.inl b/contrib/epee/include/net/http_protocol_handler.inl index ae8e43477..790d0f3b1 100644 --- a/contrib/epee/include/net/http_protocol_handler.inl +++ b/contrib/epee/include/net/http_protocol_handler.inl @@ -577,6 +577,10 @@ namespace net_utils if (query_info.m_http_method != http::http_method_options) { res = handle_request(query_info, response); + if (response.m_response_code == 500) + { + m_want_close = true; // close on all "Internal server error"s + } } else { diff --git a/contrib/epee/include/net/http_server_handlers_map2.h b/contrib/epee/include/net/http_server_handlers_map2.h index 4b2053091..07ed8157b 100644 --- a/contrib/epee/include/net/http_server_handlers_map2.h +++ b/contrib/epee/include/net/http_server_handlers_map2.h @@ -71,7 +71,7 @@ MINFO(m_conn_context << "calling " << s_pattern); \ if(!callback_f(static_cast<command_type::request&>(req), static_cast<command_type::response&>(resp), &m_conn_context)) \ { \ - LOG_ERROR("Failed to " << #callback_f << "()"); \ + MERROR(m_conn_context << "Failed to " << #callback_f << "()"); \ response_info.m_response_code = 500; \ response_info.m_response_comment = "Internal Server Error"; \ return true; \ @@ -99,7 +99,7 @@ MINFO(m_conn_context << "calling " << s_pattern); \ if(!callback_f(static_cast<command_type::request&>(req), static_cast<command_type::response&>(resp), &m_conn_context)) \ { \ - LOG_ERROR("Failed to " << #callback_f << "()"); \ + MERROR(m_conn_context << "Failed to " << #callback_f << "()"); \ response_info.m_response_code = 500; \ response_info.m_response_comment = "Internal Server Error"; \ return true; \ diff --git a/contrib/epee/include/net/http_server_impl_base.h b/contrib/epee/include/net/http_server_impl_base.h index fc2dcbf67..6cd19f17b 100644 --- a/contrib/epee/include/net/http_server_impl_base.h +++ b/contrib/epee/include/net/http_server_impl_base.h @@ -57,6 +57,7 @@ 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", + const std::string& bind_ipv6_address = "::", bool use_ipv6 = false, bool require_ipv4 = true, std::vector<std::string> access_control_origins = std::vector<std::string>(), boost::optional<net_utils::http::login> user = boost::none, net_utils::ssl_options_t ssl_options = net_utils::ssl_support_t::e_ssl_support_autodetect) @@ -75,8 +76,12 @@ 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, std::move(ssl_options)); + MGINFO("Binding on " << bind_ip << " (IPv4):" << bind_port); + if (use_ipv6) + { + MGINFO("Binding on " << bind_ipv6_address << " (IPv6):" << bind_port); + } + bool res = m_net_server.init_server(bind_port, bind_ip, bind_port, bind_ipv6_address, use_ipv6, require_ipv4, std::move(ssl_options)); if(!res) { LOG_ERROR("Failed to bind server"); diff --git a/contrib/epee/include/net/levin_protocol_handler_async.h b/contrib/epee/include/net/levin_protocol_handler_async.h index 116b3ace1..8d7ffb2c2 100644 --- a/contrib/epee/include/net/levin_protocol_handler_async.h +++ b/contrib/epee/include/net/levin_protocol_handler_async.h @@ -99,6 +99,8 @@ public: template<class callback_t> bool for_connection(const boost::uuids::uuid &connection_id, const callback_t &cb); size_t get_connections_count(); + size_t get_out_connections_count(); + size_t get_in_connections_count(); void set_handler(levin_commands_handler<t_connection_context>* handler, void (*destroy)(levin_commands_handler<t_connection_context>*) = NULL); async_protocol_handler_config():m_pcommands_handler(NULL), m_pcommands_handler_destroy(NULL), m_max_packet_size(LEVIN_DEFAULT_MAX_PACKET_SIZE), m_invoke_timeout(LEVIN_DEFAULT_TIMEOUT_PRECONFIGURED) @@ -882,6 +884,28 @@ size_t async_protocol_handler_config<t_connection_context>::get_connections_coun } //------------------------------------------------------------------------------------------ template<class t_connection_context> +size_t async_protocol_handler_config<t_connection_context>::get_out_connections_count() +{ + CRITICAL_REGION_LOCAL(m_connects_lock); + size_t count = 0; + for (const auto &c: m_connects) + if (!c.second->m_connection_context.m_is_income) + ++count; + return count; +} +//------------------------------------------------------------------------------------------ +template<class t_connection_context> +size_t async_protocol_handler_config<t_connection_context>::get_in_connections_count() +{ + CRITICAL_REGION_LOCAL(m_connects_lock); + size_t count = 0; + for (const auto &c: m_connects) + if (c.second->m_connection_context.m_is_income) + ++count; + return count; +} +//------------------------------------------------------------------------------------------ +template<class t_connection_context> void async_protocol_handler_config<t_connection_context>::set_handler(levin_commands_handler<t_connection_context>* handler, void (*destroy)(levin_commands_handler<t_connection_context>*)) { if (m_pcommands_handler && m_pcommands_handler_destroy) diff --git a/contrib/epee/include/net/local_ip.h b/contrib/epee/include/net/local_ip.h index 52c5855b9..7523f9d81 100644 --- a/contrib/epee/include/net/local_ip.h +++ b/contrib/epee/include/net/local_ip.h @@ -27,10 +27,38 @@ #pragma once +#include <string> +#include <boost/algorithm/string/predicate.hpp> +#include <boost/asio/ip/address_v6.hpp> + namespace epee { namespace net_utils { + + inline + bool is_ipv6_local(const std::string& ip) + { + auto addr = boost::asio::ip::make_address_v6(ip); + + // ipv6 link-local unicast addresses are fe80::/10 + bool is_link_local = addr.is_link_local(); + + auto addr_bytes = addr.to_bytes(); + + // ipv6 unique local unicast addresses start with fc00::/7 -- (fcXX or fdXX) + bool is_unique_local_unicast = (addr_bytes[0] == 0xfc || addr_bytes[0] == 0xfd); + + return is_link_local || is_unique_local_unicast; + } + + inline + bool is_ipv6_loopback(const std::string& ip) + { + // ipv6 loopback is ::1 + return boost::asio::ip::address_v6::from_string(ip).is_loopback(); + } + inline bool is_ip_local(uint32_t ip) { diff --git a/contrib/epee/include/net/net_parse_helpers.h b/contrib/epee/include/net/net_parse_helpers.h index 708cce0ff..1d156d19c 100644 --- a/contrib/epee/include/net/net_parse_helpers.h +++ b/contrib/epee/include/net/net_parse_helpers.h @@ -94,7 +94,7 @@ namespace net_utils return true; } - inline + inline bool parse_uri(const std::string uri, http::uri_content& content) { @@ -128,11 +128,51 @@ namespace net_utils return true; } + inline + bool parse_url_ipv6(const std::string url_str, http::url_content& content) + { + STATIC_REGEXP_EXPR_1(rexp_match_uri, "^((.*?)://)?(\\[(.*)\\](:(\\d+))?)(.*)?", boost::regex::icase | boost::regex::normal); + // 12 3 4 5 6 7 - inline + content.port = 0; + boost::smatch result; + if(!(boost::regex_search(url_str, result, rexp_match_uri, boost::match_default) && result[0].matched)) + { + LOG_PRINT_L1("[PARSE URI] regex not matched for uri: " << rexp_match_uri); + //content.m_path = uri; + return false; + } + if(result[2].matched) + { + content.schema = result[2]; + } + if(result[4].matched) + { + content.host = result[4]; + } + else // if host not matched, matching should be considered failed + { + return false; + } + if(result[6].matched) + { + content.port = boost::lexical_cast<uint64_t>(result[6]); + } + if(result[7].matched) + { + content.uri = result[7]; + return parse_uri(result[7], content.m_uri_content); + } + + return true; + } + + inline bool parse_url(const std::string url_str, http::url_content& content) { + if (parse_url_ipv6(url_str, content)) return true; + ///iframe_test.html?api_url=http://api.vk.com/api.php&api_id=3289090&api_settings=1&viewer_id=562964060&viewer_type=0&sid=0aad8d1c5713130f9ca0076f2b7b47e532877424961367d81e7fa92455f069be7e21bc3193cbd0be11895&secret=368ebbc0ef&access_token=668bc03f43981d883f73876ffff4aa8564254b359cc745dfa1b3cde7bdab2e94105d8f6d8250717569c0a7&user_id=0&group_id=0&is_app_user=1&auth_key=d2f7a895ca5ff3fdb2a2a8ae23fe679a&language=0&parent_language=0&ad_info=ElsdCQBaQlxiAQRdFUVUXiN2AVBzBx5pU1BXIgZUJlIEAWcgAUoLQg==&referrer=unknown&lc_name=9834b6a3&hash= //STATIC_REGEXP_EXPR_1(rexp_match_uri, "^([^?#]*)(\\?([^#]*))?(#(.*))?", boost::regex::icase | boost::regex::normal); STATIC_REGEXP_EXPR_1(rexp_match_uri, "^((.*?)://)?(([^/:]*)(:(\\d+))?)(.*)?", boost::regex::icase | boost::regex::normal); diff --git a/contrib/epee/include/net/net_utils_base.h b/contrib/epee/include/net/net_utils_base.h index 83e6b5ab8..5ae3e53b3 100644 --- a/contrib/epee/include/net/net_utils_base.h +++ b/contrib/epee/include/net/net_utils_base.h @@ -31,6 +31,7 @@ #include <boost/uuid/uuid.hpp> #include <boost/asio/io_service.hpp> +#include <boost/asio/ip/address_v6.hpp> #include <typeinfo> #include <type_traits> #include "enums.h" @@ -41,7 +42,7 @@ #define MONERO_DEFAULT_LOG_CATEGORY "net" #ifndef MAKE_IP -#define MAKE_IP( a1, a2, a3, a4 ) (a1|(a2<<8)|(a3<<16)|(a4<<24)) +#define MAKE_IP( a1, a2, a3, a4 ) (a1|(a2<<8)|(a3<<16)|(((uint32_t)a4)<<24)) #endif #if BOOST_VERSION >= 107000 @@ -107,6 +108,106 @@ namespace net_utils inline bool operator>=(const ipv4_network_address& lhs, const ipv4_network_address& rhs) noexcept { return !lhs.less(rhs); } + class ipv4_network_subnet + { + uint32_t m_ip; + uint8_t m_mask; + + public: + constexpr ipv4_network_subnet() noexcept + : ipv4_network_subnet(0, 0) + {} + + constexpr ipv4_network_subnet(uint32_t ip, uint8_t mask) noexcept + : m_ip(ip), m_mask(mask) {} + + bool equal(const ipv4_network_subnet& other) const noexcept; + bool less(const ipv4_network_subnet& other) const noexcept; + constexpr bool is_same_host(const ipv4_network_subnet& other) const noexcept + { return subnet() == other.subnet(); } + bool matches(const ipv4_network_address &address) const; + + constexpr uint32_t subnet() const noexcept { return m_ip & ~(0xffffffffull << m_mask); } + std::string str() const; + std::string host_str() const; + bool is_loopback() const; + bool is_local() const; + static constexpr address_type get_type_id() noexcept { return address_type::invalid; } + static constexpr zone get_zone() noexcept { return zone::public_; } + static constexpr bool is_blockable() noexcept { return true; } + + BEGIN_KV_SERIALIZE_MAP() + KV_SERIALIZE(m_ip) + KV_SERIALIZE(m_mask) + END_KV_SERIALIZE_MAP() + }; + + inline bool operator==(const ipv4_network_subnet& lhs, const ipv4_network_subnet& rhs) noexcept + { return lhs.equal(rhs); } + inline bool operator!=(const ipv4_network_subnet& lhs, const ipv4_network_subnet& rhs) noexcept + { return !lhs.equal(rhs); } + inline bool operator<(const ipv4_network_subnet& lhs, const ipv4_network_subnet& rhs) noexcept + { return lhs.less(rhs); } + inline bool operator<=(const ipv4_network_subnet& lhs, const ipv4_network_subnet& rhs) noexcept + { return !rhs.less(lhs); } + inline bool operator>(const ipv4_network_subnet& lhs, const ipv4_network_subnet& rhs) noexcept + { return rhs.less(lhs); } + inline bool operator>=(const ipv4_network_subnet& lhs, const ipv4_network_subnet& rhs) noexcept + { return !lhs.less(rhs); } + + class ipv6_network_address + { + protected: + boost::asio::ip::address_v6 m_address; + uint16_t m_port; + + public: + ipv6_network_address() + : ipv6_network_address(boost::asio::ip::address_v6::loopback(), 0) + {} + + ipv6_network_address(const boost::asio::ip::address_v6& ip, uint16_t port) + : m_address(ip), m_port(port) + { + } + + bool equal(const ipv6_network_address& other) const noexcept; + bool less(const ipv6_network_address& other) const noexcept; + bool is_same_host(const ipv6_network_address& other) const noexcept + { return m_address == other.m_address; } + + boost::asio::ip::address_v6 ip() const noexcept { return m_address; } + uint16_t port() const noexcept { return m_port; } + std::string str() const; + std::string host_str() const; + bool is_loopback() const; + bool is_local() const; + static constexpr address_type get_type_id() noexcept { return address_type::ipv6; } + static constexpr zone get_zone() noexcept { return zone::public_; } + static constexpr bool is_blockable() noexcept { return true; } + + static const uint8_t ID = 2; + BEGIN_KV_SERIALIZE_MAP() + boost::asio::ip::address_v6::bytes_type bytes = this_ref.m_address.to_bytes(); + epee::serialization::selector<is_store>::serialize_t_val_as_blob(bytes, stg, hparent_section, "addr"); + const_cast<boost::asio::ip::address_v6&>(this_ref.m_address) = boost::asio::ip::address_v6(bytes); + KV_SERIALIZE(m_port) + END_KV_SERIALIZE_MAP() + }; + + inline bool operator==(const ipv6_network_address& lhs, const ipv6_network_address& rhs) noexcept + { return lhs.equal(rhs); } + inline bool operator!=(const ipv6_network_address& lhs, const ipv6_network_address& rhs) noexcept + { return !lhs.equal(rhs); } + inline bool operator<(const ipv6_network_address& lhs, const ipv6_network_address& rhs) noexcept + { return lhs.less(rhs); } + inline bool operator<=(const ipv6_network_address& lhs, const ipv6_network_address& rhs) noexcept + { return !rhs.less(lhs); } + inline bool operator>(const ipv6_network_address& lhs, const ipv6_network_address& rhs) noexcept + { return rhs.less(lhs); } + inline bool operator>=(const ipv6_network_address& lhs, const ipv6_network_address& rhs) noexcept + { return !lhs.less(rhs); } + class network_address { struct interface @@ -214,6 +315,8 @@ namespace net_utils { case address_type::ipv4: return this_ref.template serialize_addr<ipv4_network_address>(is_store_, stg, hparent_section); + case address_type::ipv6: + return this_ref.template serialize_addr<ipv6_network_address>(is_store_, stg, hparent_section); case address_type::tor: return this_ref.template serialize_addr<net::tor_address>(is_store_, stg, hparent_section); case address_type::i2p: @@ -250,7 +353,7 @@ namespace net_utils const network_address m_remote_address; const bool m_is_income; const time_t m_started; - const time_t m_ssl; + const bool m_ssl; time_t m_last_recv; time_t m_last_send; uint64_t m_recv_cnt; diff --git a/contrib/epee/include/storages/parserse_base_utils.h b/contrib/epee/include/storages/parserse_base_utils.h index b5c4138c5..fe53628a5 100644 --- a/contrib/epee/include/storages/parserse_base_utils.h +++ b/contrib/epee/include/storages/parserse_base_utils.h @@ -31,6 +31,9 @@ #include <algorithm> #include <boost/utility/string_ref.hpp> +#undef MONERO_DEFAULT_LOG_CATEGORY +#define MONERO_DEFAULT_LOG_CATEGORY "serialization" + namespace epee { namespace misc_utils @@ -62,6 +65,26 @@ namespace misc_utils 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, }; + static const constexpr unsigned char isx[256] = + { + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 10, 11, 12, 13, 14, 15, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 10, 11, 12, 13, 14, 15, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, + }; + inline bool isspace(char c) { return lut[(uint8_t)c] & 8; @@ -162,6 +185,42 @@ namespace misc_utils val.push_back('\\');break; case '/': //Slash character val.push_back('/');break; + case 'u': //Unicode code point + if (buf_end - it < 4) + { + ASSERT_MES_AND_THROW("Invalid Unicode escape sequence"); + } + else + { + uint32_t dst = 0; + for (int i = 0; i < 4; ++i) + { + const unsigned char tmp = isx[(int)*++it]; + CHECK_AND_ASSERT_THROW_MES(tmp != 0xff, "Bad Unicode encoding"); + dst = dst << 4 | tmp; + } + // encode as UTF-8 + if (dst <= 0x7f) + { + val.push_back(dst); + } + else if (dst <= 0x7ff) + { + val.push_back(0xc0 | (dst >> 6)); + val.push_back(0x80 | (dst & 0x3f)); + } + else if (dst <= 0xffff) + { + val.push_back(0xe0 | (dst >> 12)); + val.push_back(0x80 | ((dst >> 6) & 0x3f)); + val.push_back(0x80 | (dst & 0x3f)); + } + else + { + ASSERT_MES_AND_THROW("Unicode code point is out or range"); + } + } + break; default: val.push_back(*it); LOG_PRINT_L0("Unknown escape sequence :\"\\" << *it << "\""); diff --git a/contrib/epee/include/storages/portable_storage_from_bin.h b/contrib/epee/include/storages/portable_storage_from_bin.h index 2884f8c5e..e0a32b3ca 100644 --- a/contrib/epee/include/storages/portable_storage_from_bin.h +++ b/contrib/epee/include/storages/portable_storage_from_bin.h @@ -136,6 +136,7 @@ namespace epee //for pod types array_entry_t<type_name> sa; size_t size = read_varint(); + CHECK_AND_ASSERT_THROW_MES(size <= m_count, "Size sanity check failed"); sa.reserve(size); //TODO: add some optimization here later while(size--) diff --git a/contrib/epee/include/string_tools.h b/contrib/epee/include/string_tools.h index da47b7d55..1be5eb5e1 100644 --- a/contrib/epee/include/string_tools.h +++ b/contrib/epee/include/string_tools.h @@ -59,26 +59,6 @@ #pragma comment (lib, "Rpcrt4.lib") #endif -static const constexpr unsigned char isx[256] = -{ - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 10, 11, 12, 13, 14, 15, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 10, 11, 12, 13, 14, 15, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, -}; - namespace epee { namespace string_tools @@ -99,10 +79,10 @@ namespace string_tools for(size_t i = 0; i < s.size(); i += 2) { int tmp = *src++; - tmp = isx[tmp]; + tmp = epee::misc_utils::parse::isx[tmp]; if (tmp == 0xff) return false; int t2 = *src++; - t2 = isx[t2]; + t2 = epee::misc_utils::parse::isx[t2]; if (t2 == 0xff) return false; *dst++ = (tmp << 4) | t2; } diff --git a/contrib/epee/src/buffer.cpp b/contrib/epee/src/buffer.cpp index d637b905e..10ea6de56 100644 --- a/contrib/epee/src/buffer.cpp +++ b/contrib/epee/src/buffer.cpp @@ -64,7 +64,8 @@ void buffer::append(const void *data, size_t sz) size_t reserve = (((size() + sz) * 3 / 2) + 4095) & ~4095; new_storage.reserve(reserve); new_storage.resize(size()); - memcpy(new_storage.data(), storage.data() + offset, storage.size() - offset); + if (size() > 0) + memcpy(new_storage.data(), storage.data() + offset, storage.size() - offset); offset = 0; std::swap(storage, new_storage); } diff --git a/contrib/epee/src/connection_basic.cpp b/contrib/epee/src/connection_basic.cpp index 19f2c7b02..82d9e3b53 100644 --- a/contrib/epee/src/connection_basic.cpp +++ b/contrib/epee/src/connection_basic.cpp @@ -284,9 +284,6 @@ double connection_basic::get_sleep_time(size_t cb) { return t; } -void connection_basic::set_save_graph(bool save_graph) { -} - } // namespace } // namespace diff --git a/contrib/epee/src/net_helper.cpp b/contrib/epee/src/net_helper.cpp index 3543f5716..719f1c8e0 100644 --- a/contrib/epee/src/net_helper.cpp +++ b/contrib/epee/src/net_helper.cpp @@ -11,10 +11,39 @@ namespace net_utils ////////////////////////////////////////////////////////////////////////// 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); + + bool try_ipv6 = false; + boost::asio::ip::tcp::resolver::iterator iterator; 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}; + boost::system::error_code resolve_error; + try + { + iterator = resolver.resolve(query, resolve_error); + if(iterator == end) // Documentation states that successful call is guaranteed to be non-empty + { + // if IPv4 resolution fails, try IPv6. Unintentional outgoing IPv6 connections should only + // be possible if for some reason a hostname was given and that hostname fails IPv4 resolution, + // so at least for now there should not be a need for a flag "using ipv6 is ok" + try_ipv6 = true; + } + + } + catch (const boost::system::system_error& e) + { + if (resolve_error != boost::asio::error::host_not_found && + resolve_error != boost::asio::error::host_not_found_try_again) + { + throw; + } + try_ipv6 = true; + } + if (try_ipv6) + { + boost::asio::ip::tcp::resolver::query query6(boost::asio::ip::tcp::v6(), addr, port, boost::asio::ip::tcp::resolver::query::canonical_name); + iterator = resolver.resolve(query6); + if (iterator == end) + throw boost::system::system_error{boost::asio::error::fault, "Failed to resolve " + addr}; + } ////////////////////////////////////////////////////////////////////////// diff --git a/contrib/epee/src/net_utils_base.cpp b/contrib/epee/src/net_utils_base.cpp index 9b781027e..5cc49cc71 100644 --- a/contrib/epee/src/net_utils_base.cpp +++ b/contrib/epee/src/net_utils_base.cpp @@ -21,6 +21,37 @@ namespace epee { namespace net_utils bool ipv4_network_address::is_loopback() const { return net_utils::is_ip_loopback(ip()); } bool ipv4_network_address::is_local() const { return net_utils::is_ip_local(ip()); } + bool ipv6_network_address::equal(const ipv6_network_address& other) const noexcept + { return is_same_host(other) && port() == other.port(); } + + bool ipv6_network_address::less(const ipv6_network_address& other) const noexcept + { return is_same_host(other) ? port() < other.port() : m_address < other.m_address; } + + std::string ipv6_network_address::str() const + { return std::string("[") + host_str() + "]:" + std::to_string(port()); } + + std::string ipv6_network_address::host_str() const { return m_address.to_string(); } + bool ipv6_network_address::is_loopback() const { return m_address.is_loopback(); } + bool ipv6_network_address::is_local() const { return m_address.is_link_local(); } + + + bool ipv4_network_subnet::equal(const ipv4_network_subnet& other) const noexcept + { return is_same_host(other) && m_mask == other.m_mask; } + + bool ipv4_network_subnet::less(const ipv4_network_subnet& other) const noexcept + { return subnet() < other.subnet() ? true : (other.subnet() < subnet() ? false : (m_mask < other.m_mask)); } + + std::string ipv4_network_subnet::str() const + { return string_tools::get_ip_string_from_int32(subnet()) + "/" + std::to_string(m_mask); } + + std::string ipv4_network_subnet::host_str() const { return string_tools::get_ip_string_from_int32(subnet()) + "/" + std::to_string(m_mask); } + bool ipv4_network_subnet::is_loopback() const { return net_utils::is_ip_loopback(subnet()); } + bool ipv4_network_subnet::is_local() const { return net_utils::is_ip_local(subnet()); } + bool ipv4_network_subnet::matches(const ipv4_network_address &address) const + { + return (address.ip() & ~(0xffffffffull << m_mask)) == subnet(); + } + bool network_address::equal(const network_address& other) const { diff --git a/contrib/epee/src/wipeable_string.cpp b/contrib/epee/src/wipeable_string.cpp index 3a6ee5dac..4209b71bf 100644 --- a/contrib/epee/src/wipeable_string.cpp +++ b/contrib/epee/src/wipeable_string.cpp @@ -62,13 +62,15 @@ wipeable_string::wipeable_string(wipeable_string &&other) wipeable_string::wipeable_string(const std::string &other) { grow(other.size()); - memcpy(buffer.data(), other.c_str(), size()); + if (size() > 0) + memcpy(buffer.data(), other.c_str(), size()); } wipeable_string::wipeable_string(std::string &&other) { grow(other.size()); - memcpy(buffer.data(), other.c_str(), size()); + if (size() > 0) + memcpy(buffer.data(), other.c_str(), size()); if (!other.empty()) { memwipe(&other[0], other.size()); // we're kinda left with this again aren't we @@ -79,7 +81,8 @@ wipeable_string::wipeable_string(std::string &&other) wipeable_string::wipeable_string(const char *s) { grow(strlen(s)); - memcpy(buffer.data(), s, size()); + if (size() > 0) + memcpy(buffer.data(), s, size()); } wipeable_string::wipeable_string(const char *s, size_t len) @@ -112,14 +115,18 @@ void wipeable_string::grow(size_t sz, size_t reserved) } size_t old_sz = buffer.size(); std::unique_ptr<char[]> tmp{new char[old_sz]}; - memcpy(tmp.get(), buffer.data(), old_sz * sizeof(char)); if (old_sz > 0) + { + memcpy(tmp.get(), buffer.data(), old_sz * sizeof(char)); memwipe(buffer.data(), old_sz * sizeof(char)); + } buffer.reserve(reserved); buffer.resize(sz); - memcpy(buffer.data(), tmp.get(), old_sz * sizeof(char)); if (old_sz > 0) + { + memcpy(buffer.data(), tmp.get(), old_sz * sizeof(char)); memwipe(tmp.get(), old_sz * sizeof(char)); + } } void wipeable_string::push_back(char c) |