Make JSON API server bind address configurable

Enforce it being 127.0.0.1 by default, I assumed 127.0.0.1 was restbed
default, but as reported by sehraf is not alwayd the case

JSON API bind address now is also configurable via commandline on
retroshare-android-service and retroshare-nogui, while it obey the
configuration of webui (execept for that port is incremented by 2)
in retroshare-gui

libretroshare/src/jsonapi/jsonapi.cpp

@@ -58,8 +58,9 @@ static bool checkRsServicePtrReady(
 }
 
 JsonApiServer::JsonApiServer(
-        uint16_t port, const std::function<void(int)> shutdownCallback) :
-    mPort(port), mShutdownCallback(shutdownCallback)
+        uint16_t port, const std::string& bindAddress,
+        const std::function<void(int)> shutdownCallback ) :
+    mPort(port), mBindAddress(bindAddress), mShutdownCallback(shutdownCallback)
 {
 	registerHandler("/jsonApiServer/shutdown",
 	                [this](const std::shared_ptr<rb::Session> session)
@@ -153,7 +154,7 @@ void JsonApiServer::run()
 {
 	std::shared_ptr<rb::Settings> settings(new rb::Settings);
 	settings->set_port(mPort);
-//	settings->set_default_header("Connection", "close");
+	settings->set_bind_address(mBindAddress);
 	settings->set_default_header("Cache-Control", "no-cache");
 	mService.start(settings);
 }

libretroshare/src/jsonapi/jsonapi.h

@@ -35,7 +35,8 @@ namespace rb = restbed;
 struct JsonApiServer : RsSingleJobThread
 {
 	JsonApiServer(
-	        uint16_t port,
+	        uint16_t port = 9092,
+	        const std::string& bindAddress = "127.0.0.1",
 	        const std::function<void(int)> shutdownCallback = [](int){} );
 
 	/// @see RsSingleJobThread
@@ -66,7 +67,8 @@ struct JsonApiServer : RsSingleJobThread
 	void shutdown(int exitCode = 0);
 
 private:
-	uint16_t mPort;
+	const uint16_t mPort;
+	const std::string mBindAddress;
 	rb::Service mService;
 	const std::function<void(int)> mShutdownCallback;
 };

retroshare-android-service/src/service.cpp

@@ -39,8 +39,10 @@
 #endif // ifdef LIBRESAPI_LOCAL_SERVER
 
 #ifdef RS_JSONAPI
-#	include <cstdint>
 #	include "jsonapi/jsonapi.h"
+#	include "util/rsnet.h"
+
+#	include <cstdint>
 #	include <QCommandLineParser>
 #	include <QString>
 #	include <iostream>
@@ -96,29 +98,65 @@ int main(int argc, char *argv[])
 
 #ifdef RS_JSONAPI
 	uint16_t jsonApiPort = 9092;
+	std::string jsonApiBindAddress = "127.0.0.1";
 
 	{
 		QCommandLineOption jsonApiPortOpt(
 		            "jsonApiPort", "JSON API listening port.", "port", "9092");
+		QCommandLineOption jsonApiBindAddressOpt(
+		            "jsonApiBindAddress", "JSON API Bind Address.",
+		            "IP Address", "127.0.0.1");
+
 		QCommandLineParser cmdParser;
 		cmdParser.addHelpOption();
 		cmdParser.addOption(jsonApiPortOpt);
+		cmdParser.addOption(jsonApiBindAddressOpt);
+
 		cmdParser.parse(app.arguments());
-		QString jsonApiPortStr = cmdParser.value(jsonApiPortOpt);
-		bool portOk;
-		jsonApiPort = jsonApiPortStr.toUShort(&portOk);
-		if(!portOk)
+
+		if(cmdParser.isSet(jsonApiPortOpt))
 		{
-			std::cerr << "ERROR: jsonApiPort option value must be a valid TCP "
-			          << "port!" << std::endl;
-			cmdParser.showHelp();
-			QCoreApplication::exit(EINVAL);
+			QString jsonApiPortStr = cmdParser.value(jsonApiPortOpt);
+			bool portOk;
+			jsonApiPort = jsonApiPortStr.toUShort(&portOk);
+			if(!portOk)
+			{
+				std::cerr << "ERROR: jsonApiPort option value must be a valid "
+				          << "TCP port!" << std::endl;
+				cmdParser.showHelp();
+				QCoreApplication::exit(EINVAL);
+			}
+		}
+
+		if(cmdParser.isSet(jsonApiBindAddressOpt))
+		{
+			sockaddr_storage tmp;
+			jsonApiBindAddress =
+			        cmdParser.value(jsonApiBindAddressOpt).toStdString();
+			if(!sockaddr_storage_inet_pton(tmp, jsonApiBindAddress))
+			{
+				std::cerr << "ERROR: jsonApiBindAddress option value must "
+				          << "be a valid IP address!" << std::endl;
+				cmdParser.showHelp();
+				QCoreApplication::exit(EINVAL);
+			}
 		}
 	}
 
-	JsonApiServer jas(jsonApiPort, [](int ec) { QCoreApplication::exit(ec); });
+	JsonApiServer jas( jsonApiPort, jsonApiBindAddress,
+	                   [](int ec) { QCoreApplication::exit(ec); } );
 	jas.start();
-	std::cerr << "JSON API listening on port " << jsonApiPort << std::endl;
+
+	{
+		sockaddr_storage tmp;
+		sockaddr_storage_inet_pton(tmp, jsonApiBindAddress);
+		sockaddr_storage_setport(tmp, jsonApiPort);
+		sockaddr_storage_ipv6_to_ipv4(tmp);
+
+		std::cerr << "JSON API listening on "
+		          << sockaddr_storage_tostring(tmp)
+		          << std::endl;
+	}
 
 #endif // ifdef RS_JSONAPI
 

retroshare-gui/src/gui/settings/WebuiPage.cpp

@@ -22,9 +22,12 @@ resource_api::ApiServerMHD* WebuiPage::apiServerMHD = 0;
 resource_api::ApiServerLocal* WebuiPage::apiServerLocal = 0;
 #endif
 resource_api::RsControlModule* WebuiPage::controlModule = 0;
+
 #ifdef RS_JSONAPI
+#	include <csignal>
+
 JsonApiServer* WebuiPage::jsonApiServer = nullptr;
-#endif
+#endif // ifdef RS_JSONAPI
 
 WebuiPage::WebuiPage(QWidget */*parent*/, Qt::WindowFlags /*flags*/)
 {
@@ -109,11 +112,16 @@ QString WebuiPage::helpText() const
 #ifdef LIBRESAPI_LOCAL_SERVER
 	apiServerLocal = new resource_api::ApiServerLocal(apiServer, resource_api::ApiServerLocal::serverPath());
 #endif
+
 #ifdef RS_JSONAPI
 	// Use same port of libresapi + 2
-	jsonApiServer = new JsonApiServer(Settings->getWebinterfacePort() + 2);
+	jsonApiServer = new JsonApiServer(
+	            Settings->getWebinterfacePort() + 2,
+	            Settings->getWebinterfaceAllowAllIps() ? "::" : "127.0.0.1",
+	            [](int /*ec*/) { std::raise(SIGTERM); } );
 	jsonApiServer->start("WebuiPage::jsonApiServer");
-#endif
+#endif // ifdef RS_JSONAPI
+
     return ok;
 }
 

retroshare-nogui/src/retroshare.cc

@@ -68,12 +68,16 @@ int main(int argc, char **argv)
 #ifdef RS_JSONAPI
 	JsonApiServer* jsonApiServer = nullptr;
 	uint16_t jsonApiPort = 0;
+	std::string jsonApiBindAddress = "127.0.0.1";
 
 	{
 		argstream jsonApiArgs(argc, argv);
 		jsonApiArgs >> parameter(
 		            "jsonApiPort", jsonApiPort, "jsonApiPort",
 		            "Enable JSON API on the specified port", false );
+		jsonApiArgs >> parameter(
+		            "jsonApiBindAddress", jsonApiBindAddress,
+		            "jsonApiBindAddress", "JSON API Bind Address.", false);
 		jsonApiArgs >> help('h', "help", "Display this Help");
 
 		if (jsonApiArgs.helpRequested())
@@ -82,10 +86,9 @@ int main(int argc, char **argv)
 
 	if(jsonApiPort)
 	{
-		jsonApiServer = new JsonApiServer( jsonApiPort, [](int /*ec*/)
-		{
-			std::raise(SIGTERM);
-		} );
+		jsonApiServer = new JsonApiServer(
+		            jsonApiPort, jsonApiBindAddress,
+		            [](int /*ec*/) { std::raise(SIGTERM); } );
 
 		jsonApiServer->start("JSON API Server");
 	}
@@ -95,7 +98,7 @@ int main(int argc, char **argv)
 
     std::string docroot = resource_api::getDefaultDocroot();
     uint16_t httpPort = 0;
-    std::string listenAddress;
+	std::string listenAddress;
     bool allowAllIps = false;
 
     argstream args(argc, argv);