Make IP Binding more global

rpcs3/Emu/Cell/lv2/sys_net/nt_p2p_port.cpp

@@ -7,6 +7,7 @@
 #include "sys_net_helpers.h"
 #include "Emu/NP/vport0.h"
 #include "Emu/NP/np_handler.h"
+#include "Emu/NP/np_helpers.h"
 
 LOG_CHANNEL(sys_net);
 
@@ -59,6 +60,7 @@ nt_p2p_port::nt_p2p_port(u16 port)
 
 	int ret_bind = 0;
 	const u16 be_port = std::bit_cast<u16, be_t<u16>>(port);
+	auto& nph = g_fxo->get<named_thread<np::np_handler>>();
 
 	if (is_ipv6)
 	{
@@ -73,15 +75,23 @@ nt_p2p_port::nt_p2p_port(u16 port)
 	else
 	{
 		::sockaddr_in p2p_ipv4_addr{.sin_family = AF_INET, .sin_port = be_port};
-		ret_bind = ::bind(p2p_socket, reinterpret_cast<sockaddr*>(&p2p_ipv4_addr), sizeof(p2p_ipv4_addr));
+		p2p_ipv4_addr.sin_addr.s_addr = nph.get_bind_ip();
+
+		if (ret_bind = ::bind(p2p_socket, reinterpret_cast<const sockaddr*>(&p2p_ipv4_addr), sizeof(p2p_ipv4_addr)); ret_bind == -1)
+		{
+			if (nph.get_bind_ip())
+			{
+				sys_net.error("Failed to bind to %s:%d, falling back to 0.0.0.0:%d", np::ip_to_string(nph.get_bind_ip()), port, port);
+				p2p_ipv4_addr.sin_addr.s_addr = 0;
+				ret_bind = ::bind(p2p_socket, reinterpret_cast<const sockaddr*>(&p2p_ipv4_addr), sizeof(p2p_ipv4_addr));
+			}
+		}
 	}
 
 	if (ret_bind == -1)
 		fmt::throw_exception("Failed to bind DGRAM socket to %d for P2P: %s!", port, get_last_error(true));
 
-	auto& nph = g_fxo->get<named_thread<np::np_handler>>();
 	nph.upnp_add_port_mapping(port, "UDP");
-
 	sys_net.notice("P2P port %d was bound!", port);
 }
 

rpcs3/Emu/Cell/lv2/sys_net/sys_net_helpers.cpp

@@ -1,5 +1,6 @@
 #include "stdafx.h"
 #include "Emu/IdManager.h"
+#include "Emu/system_config.h"
 #include "Emu/Cell/PPUThread.h"
 #include "lv2_socket.h"
 #include "sys_net_helpers.h"
@@ -199,6 +200,26 @@ void clear_ppu_to_awake(ppu_thread& ppu)
 	g_fxo->get<p2p_context>().del_ppu_to_awake(&ppu);
 }
 
+be_t<u32> resolve_binding_ip()
+{
+	in_addr conv{};
+	const std::string cfg_bind_addr = g_cfg.net.bind_address.to_string();
+
+	if (cfg_bind_addr == "0.0.0.0" || cfg_bind_addr == "")
+	{
+		return 0;
+	}
+
+	if (!inet_pton(AF_INET, cfg_bind_addr.c_str(), &conv))
+	{
+		// Do not set to disconnected on invalid IP just error and continue using default (0.0.0.0)
+		sys_net.error("Provided IP(%s) address for bind is invalid!", g_cfg.net.bind_address.to_string());
+		return 0;
+	}
+
+	return conv.s_addr;
+}
+
 #ifdef _WIN32
 // Workaround function for WSAPoll not reporting failed connections
 // Note that this was fixed in Windows 10 version 2004 (after more than 10 years lol)

rpcs3/Emu/Cell/lv2/sys_net/sys_net_helpers.h

@@ -25,6 +25,7 @@ sys_net_sockaddr native_addr_to_sys_net_addr(const ::sockaddr_storage& native_ad
 bool is_ip_public_address(const ::sockaddr_in& addr);
 u32 network_clear_queue(ppu_thread& ppu);
 void clear_ppu_to_awake(ppu_thread& ppu);
+be_t<u32> resolve_binding_ip();
 
 #ifdef _WIN32
 void windows_poll(std::vector<pollfd>& fds, unsigned long nfds, int timeout, std::vector<bool>& connecting);

rpcs3/Emu/NP/ip_address.cpp

@@ -1,3 +1,4 @@
+#include "Emu/Cell/lv2/sys_net/sys_net_helpers.h"
 #include "stdafx.h"
 #include "Emu/system_config.h"
 #include "ip_address.h"
@@ -6,6 +7,7 @@
 #include "util/endian.hpp"
 #include "util/types.hpp"
 #include "Emu/NP/rpcn_config.h"
+#include "Emu/Cell/lv2/sys_net/sys_net_helpers.h"
 #include <algorithm>
 
 #ifndef _WIN32
@@ -103,6 +105,7 @@ namespace np
 	// -IPv6 is not disabled in config
 	// -Internet config is Connected
 	// -PSN config is RPCN
+	// -Bind IP is not set
 	// -RPCN host has an IPv6
 	// -Can connect to ipv6.google.com:413
 	bool is_ipv6_supported(std::optional<IPV6_SUPPORT> force_state)
@@ -135,6 +138,9 @@ namespace np
 		if (g_cfg.net.net_active != np_internet_status::enabled || g_cfg.net.psn_status != np_psn_status::psn_rpcn)
 			return notice_and_disable("RPCN is disabled");
 
+		if (resolve_binding_ip())
+			return notice_and_disable("Bind IP is used");
+
 		addrinfo* addr_info{};
 		socket_type socket_ipv6{};
 		const addrinfo hints{.ai_family = AF_INET6};

rpcs3/Emu/NP/np_handler.cpp

@@ -412,7 +412,7 @@ namespace np
 			nc.bind_sce_np_port();
 
 			std::lock_guard lock(mutex_rpcn);
-			rpcn = rpcn::rpcn_client::get_instance();
+			rpcn = rpcn::rpcn_client::get_instance(bind_ip);
 		}
 	}
 
@@ -455,19 +455,10 @@ namespace np
 			}
 
 			// Convert bind address
-			conv = {};
-			if (!inet_pton(AF_INET, g_cfg.net.bind_address.to_string().c_str(), &conv))
-			{
-				// Do not set to disconnected on invalid IP just error and continue using default (0.0.0.0)
-				nph_log.error("Provided IP(%s) address for bind is invalid!", g_cfg.net.bind_address.to_string());
-			}
-			else
-			{
-				bind_ip = conv.s_addr;
+			bind_ip = resolve_binding_ip();
 
-				if (bind_ip)
-					local_ip_addr = bind_ip;
-			}
+			if (bind_ip)
+				local_ip_addr = bind_ip;
 
 			if (g_cfg.net.upnp_enabled)
 				upnp.upnp_enable();
@@ -793,7 +784,7 @@ namespace np
 
 			if (!rpcn)
 			{
-				rpcn = rpcn::rpcn_client::get_instance();
+				rpcn = rpcn::rpcn_client::get_instance(bind_ip);
 				was_already_started = false;
 			}
 

rpcs3/Emu/NP/np_helpers.cpp

@@ -11,7 +11,7 @@ namespace np
 {
 	std::string ip_to_string(u32 ip_addr)
 	{
-		char ip_str[16];
+		char ip_str[16]{};
 
 		inet_ntop(AF_INET, &ip_addr, ip_str, sizeof(ip_str));
 		return std::string(ip_str);

rpcs3/Emu/NP/rpcn_client.cpp

@@ -212,6 +212,7 @@ namespace rpcn
 		case rpcn::rpcn_state::failure_input: return localized_string_id::RPCN_ERROR_INVALID_INPUT;
 		case rpcn::rpcn_state::failure_wolfssl: return localized_string_id::RPCN_ERROR_WOLFSSL;
 		case rpcn::rpcn_state::failure_resolve: return localized_string_id::RPCN_ERROR_RESOLVE;
+		case rpcn::rpcn_state::failure_binding: return localized_string_id::RPCN_ERROR_BINDING;
 		case rpcn::rpcn_state::failure_connect: return localized_string_id::RPCN_ERROR_CONNECT;
 		case rpcn::rpcn_state::failure_id: return localized_string_id::RPCN_ERROR_LOGIN_ERROR;
 		case rpcn::rpcn_state::failure_id_already_logged_in: return localized_string_id::RPCN_ERROR_ALREADY_LOGGED;
@@ -316,8 +317,8 @@ namespace rpcn
 
 	// Constructor, destructor & singleton manager
 
-	rpcn_client::rpcn_client()
-		: sem_connected(0), sem_authentified(0), sem_reader(0), sem_writer(0), sem_rpcn(0),
+	rpcn_client::rpcn_client(u32 binding_address)
+		: binding_address(binding_address), sem_connected(0), sem_authentified(0), sem_reader(0), sem_writer(0), sem_rpcn(0),
 		  thread_rpcn(std::thread(&rpcn_client::rpcn_thread, this)),
 		  thread_rpcn_reader(std::thread(&rpcn_client::rpcn_reader_thread, this)),
 		  thread_rpcn_writer(std::thread(&rpcn_client::rpcn_writer_thread, this))
@@ -349,7 +350,7 @@ namespace rpcn
 		sem_authentified.release();
 	}
 
-	std::shared_ptr<rpcn_client> rpcn_client::get_instance(bool check_config)
+	std::shared_ptr<rpcn_client> rpcn_client::get_instance(u32 binding_address, bool check_config)
 	{
 		if (check_config && g_cfg.net.psn_status != np_psn_status::psn_rpcn)
 		{
@@ -362,7 +363,7 @@ namespace rpcn
 		sptr = instance.lock();
 		if (!sptr)
 		{
-			sptr = std::shared_ptr<rpcn_client>(new rpcn_client());
+			sptr = std::shared_ptr<rpcn_client>(new rpcn_client(binding_address));
 			sptr->register_friend_cb(overlay_friend_callback, nullptr);
 			instance = sptr;
 		}
@@ -1074,6 +1075,16 @@ namespace rpcn
 				return false;
 			}
 
+			sockaddr_in sock_addr = {.sin_family = AF_INET};
+			sock_addr.sin_addr.s_addr = binding_address;
+
+			if (::bind(sockfd, reinterpret_cast<const sockaddr*>(&sock_addr), sizeof(sock_addr)) == -1)
+			{
+				rpcn_log.error("bind: Failed to bind RPCN client socket to binding address!");
+				state = rpcn_state::failure_binding;
+				return false;
+			}
+
 			if (::connect(sockfd, reinterpret_cast<struct sockaddr*>(&addr_rpcn), sizeof(addr_rpcn)) != 0)
 			{
 				rpcn_log.error("connect: Failed to connect to RPCN server!");

rpcs3/Emu/NP/rpcn_client.h

@@ -227,6 +227,7 @@ namespace rpcn
 		atomic_t<bool> authentified = false;
 		atomic_t<bool> want_conn    = false;
 		atomic_t<bool> want_auth    = false;
+		u32 binding_address = 0;
 		std::binary_semaphore sem_connected, sem_authentified;
 		std::mutex mutex_connected, mutex_authentified;
 
@@ -253,7 +254,7 @@ namespace rpcn
 		void handle_message(std::vector<u8> data);
 
 	private:
-		rpcn_client();
+		rpcn_client(u32 binding_address);
 
 		void rpcn_reader_thread();
 		void rpcn_writer_thread();
@@ -287,7 +288,7 @@ namespace rpcn
 		~rpcn_client();
 		rpcn_client(rpcn_client& other)    = delete;
 		void operator=(const rpcn_client&) = delete;
-		static std::shared_ptr<rpcn_client> get_instance(bool check_config = false);
+		static std::shared_ptr<rpcn_client> get_instance(u32 binding_address, bool check_config = false);
 		rpcn_state wait_for_connection();
 		rpcn_state wait_for_authentified();
 		bool terminate_connection();

rpcs3/Emu/NP/rpcn_types.h

@@ -98,6 +98,7 @@ namespace rpcn
 		failure_input,
 		failure_wolfssl,
 		failure_resolve,
+		failure_binding,
 		failure_connect,
 		failure_id,
 		failure_id_already_logged_in,

rpcs3/Emu/RSX/Overlays/FriendsList/overlay_friends_list_dialog.cpp

@@ -655,7 +655,7 @@ namespace rsx
 
 			g_cfg_rpcn.load(); // Ensures config is loaded even if rpcn is not running for simulated
 
-			m_rpcn = rpcn::rpcn_client::get_instance();
+			m_rpcn = rpcn::rpcn_client::get_instance(0);
 
 			m_rpcn->register_friend_cb(friend_callback, this);
 

rpcs3/Emu/RSX/Overlays/Network/overlay_recvmessage_dialog.cpp

@@ -213,7 +213,7 @@ namespace rsx
 			const bool preserve         = options & SCE_NP_BASIC_RECV_MESSAGE_OPTIONS_PRESERVE;
 			const bool include_bootable = options & SCE_NP_BASIC_RECV_MESSAGE_OPTIONS_INCLUDE_BOOTABLE;
 
-			m_rpcn = rpcn::rpcn_client::get_instance(true);
+			m_rpcn = rpcn::rpcn_client::get_instance(0, true);
 
 			// Get list of messages
 			const auto messages = m_rpcn->get_messages_and_register_cb(type, include_bootable, recvmessage_callback, this);

rpcs3/Emu/RSX/Overlays/Network/overlay_sendmessage_dialog.cpp

@@ -183,7 +183,7 @@ namespace rsx
 				break; // Title already set in constructor
 			}
 
-			m_rpcn = rpcn::rpcn_client::get_instance(true);
+			m_rpcn = rpcn::rpcn_client::get_instance(0, true);
 
 			// Get list of messages
 			rpcn::friend_data data;

rpcs3/Emu/localized_string_id.h

@@ -163,6 +163,7 @@ enum class localized_string_id
 	RPCN_ERROR_INVALID_INPUT,
 	RPCN_ERROR_WOLFSSL,
 	RPCN_ERROR_RESOLVE,
+	RPCN_ERROR_BINDING,
 	RPCN_ERROR_CONNECT,
 	RPCN_ERROR_LOGIN_ERROR,
 	RPCN_ERROR_ALREADY_LOGGED,

rpcs3/rpcs3qt/localized_emu.h

@@ -185,6 +185,7 @@ private:
 		case localized_string_id::RPCN_ERROR_INVALID_INPUT: return tr("RPCN: Invalid Input (Wrong Host/Port)");
 		case localized_string_id::RPCN_ERROR_WOLFSSL: return tr("RPCN Connection Error: WolfSSL Error");
 		case localized_string_id::RPCN_ERROR_RESOLVE: return tr("RPCN Connection Error: Resolve Error");
+		case localized_string_id::RPCN_ERROR_BINDING: return tr("RPCN Connection Error: Failed to bind to given binding IP");
 		case localized_string_id::RPCN_ERROR_CONNECT: return tr("RPCN Connection Error");
 		case localized_string_id::RPCN_ERROR_LOGIN_ERROR: return tr("RPCN Login Error: Identification Error");
 		case localized_string_id::RPCN_ERROR_ALREADY_LOGGED: return tr("RPCN Login Error: User Already Logged In");

rpcs3/rpcs3qt/recvmessage_dialog_frame.cpp

@@ -42,7 +42,7 @@ error_code recvmessage_dialog_frame::Exec(SceNpBasicMessageMainType type, SceNpB
 
 	m_dialog->setWindowTitle(tr("Choose message:"));
 
-	m_rpcn = rpcn::rpcn_client::get_instance(true);
+	m_rpcn = rpcn::rpcn_client::get_instance(0, true);
 
 	QVBoxLayout* vbox_global = new QVBoxLayout();
 

rpcs3/rpcs3qt/rpcn_settings_dialog.cpp

@@ -270,7 +270,7 @@ rpcn_account_dialog::rpcn_account_dialog(QWidget* parent)
 				return;
 
 			{
-				const auto rpcn       = rpcn::rpcn_client::get_instance();
+				const auto rpcn = rpcn::rpcn_client::get_instance(0);
 				const auto avatar_url = "https://rpcs3.net/cdn/netplay/DefaultAvatar.png";
 
 				if (auto result = rpcn->wait_for_connection(); result != rpcn::rpcn_state::failure_no_failure)
@@ -325,7 +325,7 @@ rpcn_account_dialog::rpcn_account_dialog(QWidget* parent)
 
 	connect(btn_test, &QAbstractButton::clicked, this, [this]()
 		{
-			auto rpcn = rpcn::rpcn_client::get_instance();
+			auto rpcn = rpcn::rpcn_client::get_instance(0);
 
 			if (auto res = rpcn->wait_for_connection(); res != rpcn::rpcn_state::failure_no_failure)
 			{
@@ -342,7 +342,7 @@ rpcn_account_dialog::rpcn_account_dialog(QWidget* parent)
 
 			QMessageBox::information(this, tr("RPCN Account Valid!"), tr("Your account is valid!"), QMessageBox::Ok);
 		});
-	
+
 	connect(checkbox_disable_ipv6, &QCheckBox::checkStateChanged, this, [this](Qt::CheckState state)
 	{
 		g_cfg_rpcn.set_ipv6_support(state == Qt::Unchecked);
@@ -761,7 +761,7 @@ void rpcn_account_edit_dialog::resend_token()
 	if (!save_config())
 		return;
 
-	const auto rpcn = rpcn::rpcn_client::get_instance();
+	const auto rpcn = rpcn::rpcn_client::get_instance(0);
 
 	const std::string npid     = g_cfg_rpcn.get_npid();
 	const std::string password = g_cfg_rpcn.get_password();
@@ -814,7 +814,7 @@ void rpcn_account_edit_dialog::change_password()
 			return;
 
 		{
-			const auto rpcn = rpcn::rpcn_client::get_instance();
+			const auto rpcn = rpcn::rpcn_client::get_instance(0);
 			if (auto result = rpcn->wait_for_connection(); result != rpcn::rpcn_state::failure_no_failure)
 			{
 				const QString error_message = tr("Failed to connect to RPCN server:\n%0").arg(QString::fromStdString(rpcn::rpcn_state_to_string(result)));
@@ -859,7 +859,7 @@ void rpcn_account_edit_dialog::change_password()
 			return;
 
 		{
-			const auto rpcn = rpcn::rpcn_client::get_instance();
+			const auto rpcn = rpcn::rpcn_client::get_instance(0);
 			if (auto result = rpcn->wait_for_connection(); result != rpcn::rpcn_state::failure_no_failure)
 			{
 				const QString error_message = tr("Failed to connect to RPCN server:\n%0").arg(QString::fromStdString(rpcn::rpcn_state_to_string(result)));
@@ -1048,7 +1048,7 @@ rpcn_friends_dialog::rpcn_friends_dialog(QWidget* parent)
 	setLayout(vbox_global);
 
 	// Tries to connect to RPCN
-	m_rpcn = rpcn::rpcn_client::get_instance();
+	m_rpcn = rpcn::rpcn_client::get_instance(0);
 
 	if (auto res = m_rpcn->wait_for_connection(); res != rpcn::rpcn_state::failure_no_failure)
 	{

rpcs3/rpcs3qt/sendmessage_dialog_frame.cpp

@@ -40,7 +40,7 @@ error_code sendmessage_dialog_frame::Exec(message_data& msg_data, std::set<std::
 
 	m_dialog->setWindowTitle(tr("Choose friend to message:"));
 
-	m_rpcn = rpcn::rpcn_client::get_instance(true);
+	m_rpcn = rpcn::rpcn_client::get_instance(0, true);
 
 	QVBoxLayout* vbox_global = new QVBoxLayout();