change xrdp.ini security_layer=negotiate and auto generate tls keys on make install

keygen/Makefile.am

@@ -18,7 +18,8 @@ xrdpsysconfdir = $(sysconfdir)/xrdp
 
 install-data-hook:
 	umask 077 && \
-	  if [ ! -f $(DESTDIR)$(xrdpsysconfdir)/rsakeys.ini ]; then ./xrdp-keygen xrdp $(DESTDIR)$(xrdpsysconfdir)/rsakeys.ini; fi
+	  if [ ! -f $(DESTDIR)$(xrdpsysconfdir)/rsakeys.ini ]; then ./xrdp-keygen xrdp $(DESTDIR)$(xrdpsysconfdir)/rsakeys.ini; fi && \
+	  if [ ! -f $(DESTDIR)$(xrdpsysconfdir)/cert.pem ]; then openssl req -x509 -newkey rsa:2048 -nodes -keyout $(DESTDIR)$(xrdpsysconfdir)/key.pem -out $(DESTDIR)$(xrdpsysconfdir)/cert.pem -days 365 -subj /C=US/ST=CA/L=Sunnyvale/O=xrdp/CN=www.xrdp.org; fi
 
 uninstall-hook:
 	rm -f $(DESTDIR)$(xrdpsysconfdir)/rsakeys.ini

xrdp/xrdp.ini

@@ -13,7 +13,7 @@ fork=yes
 crypt_level=high
 # security layer can be 'tls', 'rdp' or 'negotiate'
 # for client compatible layer
-security_layer=rdp
+security_layer=negotiate
 # X.509 certificate and private key
 # openssl req -x509 -newkey rsa:2048 -nodes -keyout key.pem -out cert.pem -days 365
 certificate=