File sddm-relaxed-auth.diff of Package sddm

Index: sddm-0.17.0/src/daemon/XorgDisplayServer.cpp
===================================================================
--- sddm-0.17.0.orig/src/daemon/XorgDisplayServer.cpp
+++ sddm-0.17.0/src/daemon/XorgDisplayServer.cpp
@@ -288,6 +288,7 @@ namespace SDDM {
         // set process environment
         QProcessEnvironment env;
         env.insert(QStringLiteral("DISPLAY"), m_display);
+        env.insert(QStringLiteral("XAUTHLOCALHOSTNAME"), daemonApp->hostName());
         env.insert(QStringLiteral("HOME"), QStringLiteral("/"));
         env.insert(QStringLiteral("PATH"), mainConfig.Users.DefaultPath.get());
         env.insert(QStringLiteral("XAUTHORITY"), m_authPath);
Index: sddm-0.17.0/src/helper/Backend.cpp
===================================================================
--- sddm-0.17.0.orig/src/helper/Backend.cpp
+++ sddm-0.17.0/src/helper/Backend.cpp
@@ -27,6 +27,7 @@
 #include "UserSession.h"
 
 #include <QtCore/QProcessEnvironment>
+#include <QtNetwork/QHostInfo>
 
 #include <pwd.h>
 
@@ -69,6 +70,7 @@ namespace SDDM {
                         .arg(QString::fromLocal8Bit(pw->pw_dir))
                         .arg(mainConfig.X11.UserAuthFile.get());
                 env.insert(QStringLiteral("XAUTHORITY"), value);
+                env.insert(QStringLiteral("XAUTHLOCALHOSTNAME"), QHostInfo::localHostName());
             }
             // TODO: I'm fairly sure this shouldn't be done for PAM sessions, investigate!
             m_app->session()->setProcessEnvironment(env);