path: root/bind_iface.patch

From 187466a01a80cc0d4af9fe13888d0232b39ca999 Mon Sep 17 00:00:00 2001
From: tytan652 <tytan652@tytanium.xyz>
Date: Thu, 11 Feb 2021 14:29:08 +0100
Subject: [PATCH 1/3] librtmp: Add interface binding for Linux

librtmp: Make log message more accurate
---
 plugins/obs-outputs/librtmp/rtmp.c | 19 ++++++++++++++++++-
 plugins/obs-outputs/librtmp/rtmp.h |  1 +
 2 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/plugins/obs-outputs/librtmp/rtmp.c b/plugins/obs-outputs/librtmp/rtmp.c
index 88c7cff7cfb18..d063d268820f8 100644
--- a/plugins/obs-outputs/librtmp/rtmp.c
+++ b/plugins/obs-outputs/librtmp/rtmp.c
@@ -877,13 +877,30 @@ RTMP_Connect0(RTMP *r, struct sockaddr * service, socklen_t addrlen)
 #ifdef SO_NOSIGPIPE
         setsockopt(r->m_sb.sb_socket, SOL_SOCKET, SO_NOSIGPIPE, &(int){ 1 }, sizeof(int));
 #endif
+#endif
+
+#ifdef __linux__
+        if(r->m_bindInterface.av_len)
+        {
+            if (setsockopt(r->m_sb.sb_socket, SOL_SOCKET, SO_BINDTODEVICE,
+                           r->m_bindInterface.av_val,
+                           r->m_bindInterface.av_len) < 0)
+            {
+                int err = GetSockError();
+                RTMP_Log(RTMP_LOGERROR, "%s, failed to bind socket to interface: %s (%d)",
+                         __FUNCTION__, socketerror(err), err);
+                r->last_error_code = err;
+                RTMP_Close(r);
+                return FALSE;
+            }
+        }
 #endif
         if(r->m_bindIP.addrLen)
         {
             if (bind(r->m_sb.sb_socket, (const struct sockaddr *)&r->m_bindIP.addr, r->m_bindIP.addrLen) < 0)
             {
                 int err = GetSockError();
-                RTMP_Log(RTMP_LOGERROR, "%s, failed to bind socket: %s (%d)",
+                RTMP_Log(RTMP_LOGERROR, "%s, failed to bind socket to address: %s (%d)",
                          __FUNCTION__, socketerror(err), err);
                 r->last_error_code = err;
                 RTMP_Close(r);
diff --git a/plugins/obs-outputs/librtmp/rtmp.h b/plugins/obs-outputs/librtmp/rtmp.h
index b1c48e2f3a9f6..a900efbe17a0d 100644
--- a/plugins/obs-outputs/librtmp/rtmp.h
+++ b/plugins/obs-outputs/librtmp/rtmp.h
@@ -420,6 +420,7 @@ extern "C"
         void*   m_customSendParam;
         CUSTOMSEND m_customSendFunc;
 
+        AVal m_bindInterface;
         RTMP_BINDINFO m_bindIP;
 
         uint8_t m_bSendChunkSizeInfo;

From 5da8a83216852445be763a2f06432b2cd07bdfbf Mon Sep 17 00:00:00 2001
From: tytan652 <tytan652@tytanium.xyz>
Date: Thu, 11 Feb 2021 14:47:45 +0100
Subject: [PATCH 2/3] obs-outputs: Add RTMP iface binding for Linux

---
 plugins/obs-outputs/net-if.c      | 32 +++++++++++++++++++++++++++++
 plugins/obs-outputs/net-if.h      | 15 ++++++++++++++
 plugins/obs-outputs/rtmp-stream.c | 34 +++++++++++++++++++++++++++++++
 plugins/obs-outputs/rtmp-stream.h |  2 ++
 4 files changed, 83 insertions(+)

diff --git a/plugins/obs-outputs/net-if.c b/plugins/obs-outputs/net-if.c
index 29bb57d6a42bc..1587be47887b8 100644
--- a/plugins/obs-outputs/net-if.c
+++ b/plugins/obs-outputs/net-if.c
@@ -139,6 +139,38 @@ static inline bool is_loopback(struct ifaddrs *ifa)
 	return n && (strcmp(n, "lo") == 0 || strcmp(n, "lo0") == 0);
 }
 
+#ifdef __linux__
+void netif_get_ifaces(struct netif_siface_data *ifaces)
+{
+	da_init(ifaces->ifaces);
+
+	struct ifaddrs *ifaddr, *ifa;
+	unsigned int family;
+
+	if (getifaddrs(&ifaddr) == -1) {
+		warn("getifaddrs() failed");
+		return;
+	}
+
+	for (ifa = ifaddr; ifa != NULL; ifa = ifa->ifa_next) {
+		if (ifa->ifa_addr == NULL || is_loopback(ifa))
+			continue;
+		family = ifa->ifa_addr->sa_family;
+
+		if ((family == AF_INET) || (family == AF_INET6)) {
+			char *item;
+			char *iface_dup = bstrdup(ifa->ifa_name);
+
+			item = iface_dup;
+
+			da_push_back(ifaces->ifaces, &item);
+		}
+	}
+
+	freeifaddrs(ifaddr);
+}
+#endif
+
 static inline void netif_get_addrs_nix(struct netif_saddr_data *ifaddrs)
 {
 	struct ifaddrs *ifaddr, *ifa;
diff --git a/plugins/obs-outputs/net-if.h b/plugins/obs-outputs/net-if.h
index 757ee00e82781..6b045666cfba6 100644
--- a/plugins/obs-outputs/net-if.h
+++ b/plugins/obs-outputs/net-if.h
@@ -53,6 +53,21 @@
 
 #endif
 
+#ifdef __linux__
+struct netif_siface_data {
+	DARRAY(char *) ifaces;
+};
+
+static inline void netif_siface_data_free(struct netif_siface_data *data)
+{
+	for (size_t i = 0; i < data->ifaces.num; i++)
+		bfree(data->ifaces.array[i]);
+	da_free(data->ifaces);
+}
+
+extern void netif_get_ifaces(struct netif_siface_data *ifaces);
+#endif
+
 struct netif_saddr_item {
 	char *name;
 	char *addr;
diff --git a/plugins/obs-outputs/rtmp-stream.c b/plugins/obs-outputs/rtmp-stream.c
index 5a3773974112c..7e6cc577d52d5 100644
--- a/plugins/obs-outputs/rtmp-stream.c
+++ b/plugins/obs-outputs/rtmp-stream.c
@@ -125,6 +125,7 @@ static void rtmp_stream_destroy(void *data)
 	dstr_free(&stream->username);
 	dstr_free(&stream->password);
 	dstr_free(&stream->encoder_name);
+	dstr_free(&stream->bind_interface);
 	dstr_free(&stream->bind_ip);
 	os_event_destroy(stream->stop_event);
 	os_sem_destroy(stream->send_sem);
@@ -1067,6 +1068,17 @@ static int try_connect(struct rtmp_stream *stream)
 	stream->rtmp.Link.swfUrl = stream->rtmp.Link.tcUrl;
 	stream->rtmp.Link.customConnectEncode = add_connect_data;
 
+	if (dstr_is_empty(&stream->bind_interface) ||
+	    dstr_cmp(&stream->bind_interface, "default") == 0) {
+		memset(&stream->rtmp.m_bindInterface, 0,
+		       sizeof(stream->rtmp.m_bindInterface));
+	} else {
+		set_rtmp_dstr(&stream->rtmp.m_bindInterface,
+			      &stream->bind_interface);
+		info("Binding to interface %s",
+		     stream->rtmp.m_bindInterface.av_val);
+	}
+
 	if (dstr_is_empty(&stream->bind_ip) ||
 	    dstr_cmp(&stream->bind_ip, "default") == 0) {
 		memset(&stream->rtmp.m_bindIP, 0,
@@ -1109,6 +1121,7 @@ static bool init_connect(struct rtmp_stream *stream)
 {
 	obs_service_t *service;
 	obs_data_t *settings;
+	const char *bind_interface;
 	const char *bind_ip;
 	int64_t drop_p;
 	int64_t drop_b;
@@ -1180,6 +1193,9 @@ static bool init_connect(struct rtmp_stream *stream)
 	stream->drop_threshold_usec = 1000 * drop_b;
 	stream->pframe_drop_threshold_usec = 1000 * drop_p;
 
+	bind_interface = obs_data_get_string(settings, OPT_BIND_INTERFACE);
+	dstr_copy(&stream->bind_interface, bind_interface);
+
 	bind_ip = obs_data_get_string(settings, OPT_BIND_IP);
 	dstr_copy(&stream->bind_ip, bind_ip);
 
@@ -1568,6 +1584,9 @@ static obs_properties_t *rtmp_stream_properties(void *unused)
 	UNUSED_PARAMETER(unused);
 
 	obs_properties_t *props = obs_properties_create();
+#ifdef __linux__
+	struct netif_siface_data ifaces = {0};
+#endif
 	struct netif_saddr_data addrs = {0};
 	obs_property_t *p;
 
@@ -1575,6 +1594,21 @@ static obs_properties_t *rtmp_stream_properties(void *unused)
 				   obs_module_text("RTMPStream.DropThreshold"),
 				   200, 10000, 100);
 	obs_property_int_set_suffix(p, " ms");
+#ifdef __linux__
+	p = obs_properties_add_list(props, OPT_BIND_INTERFACE,
+				    obs_module_text("RTMPStream.BindInterface"),
+				    OBS_COMBO_TYPE_LIST,
+				    OBS_COMBO_FORMAT_STRING);
+
+	obs_property_list_add_string(p, obs_module_text("Default"), "default");
+
+	netif_get_ifaces(&ifaces);
+	for (size_t i = 0; i < ifaces.ifaces.num; i++) {
+		char *item = ifaces.ifaces.array[i];
+		obs_property_list_add_string(p, item, item);
+	}
+	netif_siface_data_free(&ifaces);
+#endif
 
 	p = obs_properties_add_list(props, OPT_BIND_IP,
 				    obs_module_text("RTMPStream.BindIP"),
diff --git a/plugins/obs-outputs/rtmp-stream.h b/plugins/obs-outputs/rtmp-stream.h
index bca991909d42a..474faab3ee7a0 100644
--- a/plugins/obs-outputs/rtmp-stream.h
+++ b/plugins/obs-outputs/rtmp-stream.h
@@ -28,6 +28,7 @@
 #define OPT_DROP_THRESHOLD "drop_threshold_ms"
 #define OPT_PFRAME_DROP_THRESHOLD "pframe_drop_threshold_ms"
 #define OPT_MAX_SHUTDOWN_TIME_SEC "max_shutdown_time_sec"
+#define OPT_BIND_INTERFACE "bind_interface"
 #define OPT_BIND_IP "bind_ip"
 #define OPT_NEWSOCKETLOOP_ENABLED "new_socket_loop_enabled"
 #define OPT_LOWLATENCY_ENABLED "low_latency_mode_enabled"
@@ -82,6 +83,7 @@ struct rtmp_stream {
 	struct dstr path, key;
 	struct dstr username, password;
 	struct dstr encoder_name;
+	struct dstr bind_interface;
 	struct dstr bind_ip;
 
 	/* frame drop variables */

From 07802b66747b5275f572bb6c551eb98fdb6d024a Mon Sep 17 00:00:00 2001
From: tytan652 <tytan652@tytanium.xyz>
Date: Thu, 11 Feb 2021 14:51:42 +0100
Subject: [PATCH 3/3] UI: Add interface binding property for Linux

---
 UI/data/locale/en-US.ini             |  1 +
 UI/forms/OBSBasicSettings.ui         | 24 ++++++--
 UI/window-basic-auto-config-test.cpp |  3 +
 UI/window-basic-main-outputs.cpp     |  6 ++
 UI/window-basic-main.cpp             |  2 +
 UI/window-basic-settings.cpp         | 91 +++++++++++++++++++++++++++-
 UI/window-basic-settings.hpp         |  3 +
 7 files changed, 123 insertions(+), 7 deletions(-)

diff --git a/UI/data/locale/en-US.ini b/UI/data/locale/en-US.ini
index 06361584c96cb..8104e3bf47548 100644
--- a/UI/data/locale/en-US.ini
+++ b/UI/data/locale/en-US.ini
@@ -1154,6 +1154,7 @@ Basic.Settings.Advanced.StreamDelay.Preserve="Preserve cutoff point (increase de
 Basic.Settings.Advanced.StreamDelay.MemoryUsage="Estimated Memory Usage: %1 MB"
 Basic.Settings.Advanced.Network="Network"
 Basic.Settings.Advanced.Network.Disabled="The currently selected streaming protocol does not support changing network settings."
+Basic.Settings.Advanced.Network.BindToInterface="Bind to interface"
 Basic.Settings.Advanced.Network.BindToIP="Bind to IP"
 Basic.Settings.Advanced.Network.EnableNewSocketLoop="Enable network optimizations"
 Basic.Settings.Advanced.Network.EnableLowLatencyMode="Enable TCP pacing"
diff --git a/UI/forms/OBSBasicSettings.ui b/UI/forms/OBSBasicSettings.ui
index 4552856e7a88c..4efb6dcfa5a36 100644
--- a/UI/forms/OBSBasicSettings.ui
+++ b/UI/forms/OBSBasicSettings.ui
@@ -7267,6 +7267,19 @@
                     </widget>
                    </item>
                    <item row="1" column="0">
+                    <widget class="QLabel" name="bindToIfaceLabel">
+                     <property name="text">
+                      <string>Basic.Settings.Advanced.Network.BindToInterface</string>
+                     </property>
+                     <property name="buddy">
+                      <cstring>bindToInterface</cstring>
+                     </property>
+                    </widget>
+                   </item>
+                   <item row="1" column="1">
+                    <widget class="QComboBox" name="bindToInterface"/>
+                   </item>
+                   <item row="2" column="0">
                     <widget class="QLabel" name="bindToIPLabel">
                      <property name="text">
                       <string>Basic.Settings.Advanced.Network.BindToIP</string>
@@ -7276,17 +7289,17 @@
                      </property>
                     </widget>
                    </item>
-                   <item row="1" column="1">
+                   <item row="2" column="1">
                     <widget class="QComboBox" name="bindToIP"/>
                    </item>
-                   <item row="3" column="1">
+                   <item row="4" column="1">
                     <widget class="QCheckBox" name="enableNewSocketLoop">
                      <property name="text">
                       <string>Basic.Settings.Advanced.Network.EnableNewSocketLoop</string>
                      </property>
                     </widget>
                    </item>
-                   <item row="4" column="1">
+                   <item row="5" column="1">
                     <widget class="QCheckBox" name="enableLowLatencyMode">
                      <property name="enabled">
                       <bool>false</bool>
@@ -7296,7 +7309,7 @@
                      </property>
                     </widget>
                    </item>
-                   <item row="3" column="0">
+                   <item row="4" column="0">
                     <spacer name="horizontalSpacer_7">
                      <property name="orientation">
                       <enum>Qt::Horizontal</enum>
@@ -7309,7 +7322,7 @@
                      </property>
                     </spacer>
                    </item>
-                   <item row="2" column="1">
+                   <item row="3" column="1">
                     <widget class="QCheckBox" name="dynBitrate">
                      <property name="toolTip">
                       <string>Basic.Settings.Output.DynamicBitrate.TT</string>
@@ -7620,6 +7633,7 @@
   <tabstop>reconnectRetryDelay</tabstop>
   <tabstop>reconnectMaxRetries</tabstop>
   <tabstop>bindToIP</tabstop>
+  <tabstop>bindToInterface</tabstop>
   <tabstop>dynBitrate</tabstop>
   <tabstop>enableNewSocketLoop</tabstop>
   <tabstop>enableLowLatencyMode</tabstop>
diff --git a/UI/window-basic-auto-config-test.cpp b/UI/window-basic-auto-config-test.cpp
index 17b15e33b6f7a..8757a11fff40e 100644
--- a/UI/window-basic-auto-config-test.cpp
+++ b/UI/window-basic-auto-config-test.cpp
@@ -228,6 +228,9 @@ void AutoConfigTestPage::TestBandwidthThread()
 	obs_data_set_int(aencoder_settings, "bitrate", 32);
 
 	OBSBasic *main = reinterpret_cast<OBSBasic *>(App()->GetMainWindow());
+	const char *bind_interface =
+		config_get_string(main->Config(), "Output", "BindInterface");
+	obs_data_set_string(output_settings, "bind_interface", bind_interface);
 	const char *bind_ip =
 		config_get_string(main->Config(), "Output", "BindIP");
 	obs_data_set_string(output_settings, "bind_ip", bind_ip);
diff --git a/UI/window-basic-main-outputs.cpp b/UI/window-basic-main-outputs.cpp
index 39e2ff84f0765..60b66818222bd 100644
--- a/UI/window-basic-main-outputs.cpp
+++ b/UI/window-basic-main-outputs.cpp
@@ -928,6 +928,8 @@ bool SimpleOutput::StartStreaming(obs_service_t *service)
 	int delaySec = config_get_int(main->Config(), "Output", "DelaySec");
 	bool preserveDelay =
 		config_get_bool(main->Config(), "Output", "DelayPreserve");
+	const char *bindInterface =
+		config_get_string(main->Config(), "Output", "BindInterface");
 	const char *bindIP =
 		config_get_string(main->Config(), "Output", "BindIP");
 	bool enableNewSocketLoop = config_get_bool(main->Config(), "Output",
@@ -938,6 +940,7 @@ bool SimpleOutput::StartStreaming(obs_service_t *service)
 		config_get_bool(main->Config(), "Output", "DynamicBitrate");
 
 	OBSDataAutoRelease settings = obs_data_create();
+	obs_data_set_string(settings, "bind_interface", bindInterface);
 	obs_data_set_string(settings, "bind_ip", bindIP);
 	obs_data_set_bool(settings, "new_socket_loop_enabled",
 			  enableNewSocketLoop);
@@ -1827,6 +1830,8 @@ bool AdvancedOutput::StartStreaming(obs_service_t *service)
 	int delaySec = config_get_int(main->Config(), "Output", "DelaySec");
 	bool preserveDelay =
 		config_get_bool(main->Config(), "Output", "DelayPreserve");
+	const char *bindInterface =
+		config_get_string(main->Config(), "Output", "BindInterface");
 	const char *bindIP =
 		config_get_string(main->Config(), "Output", "BindIP");
 	bool enableNewSocketLoop = config_get_bool(main->Config(), "Output",
@@ -1837,6 +1842,7 @@ bool AdvancedOutput::StartStreaming(obs_service_t *service)
 		config_get_bool(main->Config(), "Output", "DynamicBitrate");
 
 	OBSDataAutoRelease settings = obs_data_create();
+	obs_data_set_string(settings, "bind_interface", bindInterface);
 	obs_data_set_string(settings, "bind_ip", bindIP);
 	obs_data_set_bool(settings, "new_socket_loop_enabled",
 			  enableNewSocketLoop);
diff --git a/UI/window-basic-main.cpp b/UI/window-basic-main.cpp
index a726316957259..3354feda8bd01 100644
--- a/UI/window-basic-main.cpp
+++ b/UI/window-basic-main.cpp
@@ -1464,6 +1464,8 @@ bool OBSBasic::InitBasicConfigDefaults()
 	config_set_default_uint(basicConfig, "Output", "RetryDelay", 2);
 	config_set_default_uint(basicConfig, "Output", "MaxRetries", 25);
 
+	config_set_default_string(basicConfig, "Output", "BindInterface",
+				  "default");
 	config_set_default_string(basicConfig, "Output", "BindIP", "default");
 	config_set_default_bool(basicConfig, "Output", "NewSocketLoopEnable",
 				false);
diff --git a/UI/window-basic-settings.cpp b/UI/window-basic-settings.cpp
index 2c4c8a8592191..145f64cbfb0dc 100644
--- a/UI/window-basic-settings.cpp
+++ b/UI/window-basic-settings.cpp
@@ -560,6 +560,9 @@ OBSBasicSettings::OBSBasicSettings(QWidget *parent)
 	HookWidget(ui->reconnectMaxRetries,  SCROLL_CHANGED, ADV_CHANGED);
 	HookWidget(ui->processPriority,      COMBO_CHANGED,  ADV_CHANGED);
 	HookWidget(ui->confirmOnExit,        CHECK_CHANGED,  ADV_CHANGED);
+#ifdef __linux__
+	HookWidget(ui->bindToInterface,      COMBO_CHANGED,  ADV_CHANGED);
+#endif
 	HookWidget(ui->bindToIP,             COMBO_CHANGED,  ADV_CHANGED);
 	HookWidget(ui->enableNewSocketLoop,  CHECK_CHANGED,  ADV_CHANGED);
 	HookWidget(ui->enableLowLatencyMode, CHECK_CHANGED,  ADV_CHANGED);
@@ -674,6 +677,13 @@ OBSBasicSettings::OBSBasicSettings(QWidget *parent)
 	ui->resetOSXVSync = nullptr;
 #endif
 
+#ifndef __linux__
+	delete ui->bindToIfaceLabel;
+	delete ui->bindToInterface;
+	ui->bindToIfaceLabel = nullptr;
+	ui->bindToInterface = nullptr;
+#endif
+
 	connect(ui->streamDelaySec, SIGNAL(valueChanged(int)), this,
 		SLOT(UpdateStreamDelayEstimate()));
 	connect(ui->outputMode, SIGNAL(currentIndexChanged(int)), this,
@@ -825,9 +835,37 @@ OBSBasicSettings::OBSBasicSettings(QWidget *parent)
 		SLOT(AdvReplayBufferChanged()));
 	connect(ui->listWidget, SIGNAL(currentRowChanged(int)), this,
 		SLOT(SimpleRecordingEncoderChanged()));
+#ifdef __linux__
+	connect(ui->bindToInterface, SIGNAL(currentIndexChanged(int)), this,
+		SLOT(UpdateAddrList()));
 
-	// Get Bind to IP Addresses
+	ui->bindToIP->setEnabled(false);
+#endif
+
+	// Get Bind to interfaces Interfaces (Linux only)
+	// Get Bind to IP Addresses (Others)
 	obs_properties_t *ppts = obs_get_output_properties("rtmp_output");
+#ifdef __linux__
+	obs_property_t *p_iface = obs_properties_get(ppts, "bind_interface");
+	QStringList dedup_iface = {};
+
+	ui->bindToInterface->blockSignals(true);
+
+	size_t count_iface = obs_property_list_item_count(p_iface);
+	for (size_t i = 0; i < count_iface; i++) {
+		const char *name = obs_property_list_item_name(p_iface, i);
+		const char *val = obs_property_list_item_string(p_iface, i);
+
+		// Add interfaces without duplicates
+		if (!dedup_iface.contains(QT_UTF8(name))) {
+			dedup_iface.append(QT_UTF8(name));
+			ui->bindToInterface->addItem(QT_UTF8(name), val);
+		}
+	}
+
+	UpdateAddrList();
+	ui->bindToInterface->blockSignals(false);
+#else
 	obs_property_t *p = obs_properties_get(ppts, "bind_ip");
 
 	size_t count = obs_property_list_item_count(p);
@@ -837,7 +875,7 @@ OBSBasicSettings::OBSBasicSettings(QWidget *parent)
 
 		ui->bindToIP->addItem(QT_UTF8(name), val);
 	}
-
+#endif
 	obs_properties_destroy(ppts);
 
 	InitStreamPage();
@@ -2609,6 +2647,10 @@ void OBSBasicSettings::LoadAdvancedSettings()
 						 "FilenameFormatting");
 	bool overwriteIfExists =
 		config_get_bool(main->Config(), "Output", "OverwriteIfExists");
+#ifdef __linux__
+	const char *bindInterface =
+		config_get_string(main->Config(), "Output", "BindInterface");
+#endif
 	const char *bindIP =
 		config_get_string(main->Config(), "Output", "BindIP");
 	const char *rbPrefix = config_get_string(main->Config(), "SimpleOutput",
@@ -2662,6 +2704,12 @@ void OBSBasicSettings::LoadAdvancedSettings()
 	ui->sdrWhiteLevel->setValue(sdrWhiteLevel);
 	ui->hdrNominalPeakLevel->setValue(hdrNominalPeakLevel);
 
+#ifdef __linux__
+	if (!SetComboByValue(ui->bindToInterface, bindInterface))
+		SetInvalidValue(ui->bindToInterface, bindInterface,
+				bindInterface);
+#endif
+
 	if (!SetComboByValue(ui->bindToIP, bindIP))
 		SetInvalidValue(ui->bindToIP, bindIP, bindIP);
 
@@ -3383,6 +3431,9 @@ void OBSBasicSettings::SaveAdvancedSettings()
 	SaveCheckBox(ui->reconnectEnable, "Output", "Reconnect");
 	SaveSpinBox(ui->reconnectRetryDelay, "Output", "RetryDelay");
 	SaveSpinBox(ui->reconnectMaxRetries, "Output", "MaxRetries");
+#ifdef __linux__
+	SaveComboData(ui->bindToInterface, "Output", "BindInterface");
+#endif
 	SaveComboData(ui->bindToIP, "Output", "BindIP");
 	SaveCheckBox(ui->autoRemux, "Video", "AutoRemux");
 	SaveCheckBox(ui->dynBitrate, "Output", "DynamicBitrate");
@@ -5429,5 +5480,41 @@ void OBSBasicSettings::UpdateAdvNetworkGroup()
 #ifdef _WIN32
 	ui->enableNewSocketLoop->setVisible(enabled);
 	ui->enableLowLatencyMode->setVisible(enabled);
+#elif defined(__linux__)
+	ui->bindToIfaceLabel->setVisible(enabled);
+	ui->bindToInterface->setVisible(enabled);
 #endif
 }
+
+#ifdef __linux__
+void OBSBasicSettings::UpdateAddrList()
+{
+	ui->bindToIP->clear();
+
+	// Get Bind to IP Addresses (Linux only)
+	obs_properties_t *ppts = obs_get_output_properties("rtmp_output");
+	obs_property_t *p = obs_properties_get(ppts, "bind_ip");
+
+	size_t count_addr = obs_property_list_item_count(p);
+	for (size_t i = 0; i < count_addr; i++) {
+		const char *name = obs_property_list_item_name(p, i);
+		const char *val = obs_property_list_item_string(p, i);
+
+		//Put only the addresses from the selected interface
+		if (QT_UTF8(name).contains(
+			    ui->bindToInterface->currentText()) ||
+		    QT_UTF8(val).contains("default"))
+			ui->bindToIP->addItem(QT_UTF8(name), val);
+	}
+
+	obs_properties_destroy(ppts);
+
+	if (ui->bindToInterface->currentIndex() > 0) {
+		ui->bindToIP->setEnabled(true);
+	} else {
+		ui->bindToIP->setEnabled(false);
+		if (!SetComboByValue(ui->bindToIP, "default"))
+			SetInvalidValue(ui->bindToIP, "default", "default");
+	}
+}
+#endif
diff --git a/UI/window-basic-settings.hpp b/UI/window-basic-settings.hpp
index 2431cb056241f..da6ed56ac369d 100644
--- a/UI/window-basic-settings.hpp
+++ b/UI/window-basic-settings.hpp
@@ -464,6 +464,9 @@ private slots:
 	void SetHotkeysIcon(const QIcon &icon);
 	void SetAccessibilityIcon(const QIcon &icon);
 	void SetAdvancedIcon(const QIcon &icon);
+#ifdef __linux__
+	void UpdateAddrList();
+#endif
 
 	void UseStreamKeyAdvClicked();