Accepting request 528672 from home:michalsrb:branches:fate323880

- Add tigervnc-x11vnc wrapper for x0vncserver that replaces x11vnc.
  (fate#323207)
- Replace java applet with novnc as web-based VNC viewer.
  (fate#323880)
- Convert xinetd services to systemd socket activated services.
  (bnc#1058460)

OBS-URL: https://build.opensuse.org/request/show/528672
OBS-URL: https://build.opensuse.org/package/show/X11:XOrg/tigervnc?expand=0&rev=120

tigervnc.changes

@@ -1,3 +1,15 @@
+-------------------------------------------------------------------
+Mon Sep 25 08:36:07 UTC 2017 - msrb@suse.com
+
+- Add tigervnc-x11vnc wrapper for x0vncserver that replaces x11vnc.
+  (fate#323207)
+
+- Replace java applet with novnc as web-based VNC viewer.
+  (fate#323880)
+
+- Convert xinetd services to systemd socket activated services.
+  (bnc#1058460)
+
 -------------------------------------------------------------------
 Mon Sep 11 14:12:30 UTC 2017 - fstrba@suse.com
 

tigervnc.spec

@@ -22,6 +22,8 @@
 %define tlskey  %{_sysconfdir}/vnc/tls.key
 %define tlscert %{_sysconfdir}/vnc/tls.cert
 
+%define _unitdir %{_prefix}/lib/systemd/system
+
 Name:           tigervnc
 Version:        1.8.0
 Release:        0
@@ -53,6 +55,7 @@ BuildRequires:  libgpg-error-devel
 BuildRequires:  mozilla-nss
 BuildRequires:  pam-devel
 BuildRequires:  pkg-config
+BuildRequires:  systemd-rpm-macros
 BuildRequires:  xmlto
 BuildRequires:  xorg-x11-libICE-devel
 BuildRequires:  xorg-x11-libSM-devel
@@ -101,16 +104,20 @@ Summary:        A high-performance, platform-neutral implementation of VNC
 License:        GPL-2.0 and MIT
 Group:          System/X11/Servers/XF86_4
 Source1:        https://github.com/TigerVNC/tigervnc/archive/v%{version}.tar.gz
-Source3:        vnc.xinetd
 Source4:        10-libvnc.conf
 Source5:        vnc-server.firewall
 Source6:        vnc-httpd.firewall
-Source7:        vnc_inetd_httpd
+Source7:        vnc.reg
-Source8:        vnc.reg
+Source8:        vncpasswd.arg
-Source9:        vncpasswd.arg
+Source9:        vnc.pam
-Source10:       vnc.pam
+Source10:       with-vnc-key.sh
-Source11:       with-vnc-key.sh
+Source11:       index.vnc
-Source12:       index.vnc
+Source12:       x11vnc
+Source13:       xvnc@.service
+Source14:       xvnc.socket
+Source15:       xvnc-novnc.service
+Source16:       xvnc-novnc.socket
+
 Patch1:         tigervnc-newfbsize.patch
 Patch2:         tigervnc-clean-pressed-key-on-exit.patch
 Patch3:         u_tigervnc-ignore-epipe-on-write.patch
@@ -135,18 +142,15 @@ Requires(post): /usr/sbin/useradd
 Requires(post): /usr/sbin/groupadd
 # Needed to generate certificates
 Requires:       openssl
-# Needed to serve java applet
-Requires:       python
-Requires:       python-pyOpenSSL
 Requires:       windowmanager
 Requires:       xauth
-Requires:       xinetd
 Requires:       xinit
 Requires:       xkbcomp
 Requires:       xkeyboard-config
 Requires:       xorg-x11-fonts-core
 # For the with-vnc-key.sh script
 Requires:       /bin/hostname
+%{?systemd_requires}
 Provides:       xorg-x11-Xvnc:/usr/lib/vnc/with-vnc-key.sh
 Summary:        TigerVNC implementation of Xvnc
 Group:          System/X11/Servers/XF86_4
@@ -154,6 +158,34 @@ Group:          System/X11/Servers/XF86_4
 %description -n xorg-x11-Xvnc
 This is the TigerVNC implementation of Xvnc.
 
+%package -n xorg-x11-Xvnc-novnc
+Requires:       novnc
+Requires:       python-websockify
+Requires:       xorg-x11-Xvnc
+%{?systemd_requires}
+Summary:        NoVNC service for Xvnc
+Group:          System/X11/Servers/XF86_4
+BuildArch:      noarch
+
+%description -n xorg-x11-Xvnc-novnc
+A service that starts noVNC linked to Xvnc server.
+
+%package -n xorg-x11-Xvnc-java
+# Needed to serve java applet
+# Requires:       python
+# Requires:       python-pyOpenSSL
+
+# TODO: Requires?
+BuildArch:      noarch
+
+%{?systemd_requires}
+Summary:        VNC viewer in java
+Group:          System/X11/Servers/XF86_4
+
+%description -n xorg-x11-Xvnc-java
+A VNC client written in java that can be used as standalone application or as
+an applet inside web page.
+
 %package -n libXvnc1
 Summary:        X extension to control VNC module
 Group:          System/Libraries
@@ -169,6 +201,19 @@ Requires:       libXvnc1 = %version
 %description -n libXvnc-devel
 Xvnc extension allows X clients to read and change VNC configuration.
 
+%package x11vnc
+Summary:        Wrapper that starts x0vncserver
+Group:          System/X11/Servers/XF86_4
+Requires:       python
+Requires:       xorg-x11-Xvnc
+Provides:       x11vnc
+Conflicts:      x11vnc
+BuildArch:      noarch
+
+%description x11vnc
+This is a wrapper that looks like x11vnc, but starts x0vncserver instead.
+It maps common x11vnc arguments to x0vncserver arguments.
+
 %prep
 %setup -T -b1 -q
 cp -r /usr/src/xserver/* unix/xserver/
@@ -242,36 +287,40 @@ mkdir -p $RPM_BUILD_ROOT%{_datadir}/vnc/classes
 install -m755 VncViewer.jar $RPM_BUILD_ROOT%{_datadir}/vnc/classes
 popd
 
-install -D -m 644 %{SOURCE3} $RPM_BUILD_ROOT/etc/xinetd.d/vnc
 %ifnarch s390x
 install -D -m 644 %{SOURCE4} $RPM_BUILD_ROOT/etc/X11/xorg.conf.d/10-libvnc.conf
 %endif
 install -D -m 644 %{SOURCE5} $RPM_BUILD_ROOT/etc/sysconfig/SuSEfirewall2.d/services/vnc-server
 install -D -m 644 %{SOURCE6} $RPM_BUILD_ROOT/etc/sysconfig/SuSEfirewall2.d/services/vnc-httpd
-install -D -m 755 %{SOURCE7} $RPM_BUILD_ROOT%{_bindir}/vnc_inetd_httpd
+install -D -m 644 %{SOURCE7} $RPM_BUILD_ROOT/etc/slp.reg.d/vnc.reg
-install -D -m 644 %{SOURCE8} $RPM_BUILD_ROOT/etc/slp.reg.d/vnc.reg
+install -D -m 755 %{SOURCE8} $RPM_BUILD_ROOT%{_bindir}/vncpasswd.arg
-install -D -m 755 %{SOURCE9} $RPM_BUILD_ROOT%{_bindir}/vncpasswd.arg
+install -D -m 644 %{SOURCE9} $RPM_BUILD_ROOT/etc/pam.d/vnc
-install -D -m 644 %{SOURCE10} $RPM_BUILD_ROOT/etc/pam.d/vnc
+install -D -m 644 %{SOURCE11} $RPM_BUILD_ROOT%{_datadir}/vnc/classes
-install -D -m 644 %{SOURCE12} $RPM_BUILD_ROOT%{_datadir}/vnc/classes
 %if 0%{?suse_version} >= 1315
 ln -s -f %{_sysconfdir}/alternatives/vncviewer $RPM_BUILD_ROOT%{_bindir}/vncviewer
 ln -s -f %{_sysconfdir}/alternatives/vncviewer.1.gz $RPM_BUILD_ROOT%{_mandir}/man1/vncviewer.1.gz
 %endif
 
+mkdir -p %{buildroot}%{_sbindir}
+ln -sf %{_sbindir}/service %{buildroot}%{_sbindir}/rcxvnc
+ln -sf %{_sbindir}/service %{buildroot}%{_sbindir}/rcxvnc-novnc
+
 mkdir -p $RPM_BUILD_ROOT%{_sysconfdir}/vnc
 
 mkdir -p $RPM_BUILD_ROOT%{_libexecdir}/vnc
-install -D -m 755 %{SOURCE11} $RPM_BUILD_ROOT%{_libexecdir}/vnc
+install -D -m 755 %{SOURCE10} $RPM_BUILD_ROOT%{_libexecdir}/vnc
+
+install -D -m 755 %{SOURCE12} $RPM_BUILD_ROOT%{_bindir}/x11vnc
+
+install -D %{SOURCE13} -m 0444 %{buildroot}%{_unitdir}/xvnc@.service
+install -D %{SOURCE14} -m 0444 %{buildroot}%{_unitdir}/xvnc.socket
+install -D %{SOURCE15} -m 0444 %{buildroot}%{_unitdir}/xvnc-novnc.service
+install -D %{SOURCE16} -m 0444 %{buildroot}%{_unitdir}/xvnc-novnc.socket
 
 rm -rf $RPM_BUILD_ROOT/usr/share/doc/tigervnc-*
 
 %find_lang '%{name}'
 
-%pre -n xorg-x11-Xvnc
-getent group %{vncgroup} > /dev/null || groupadd -r %{vncgroup} || :
-getent passwd %{vncuser} > /dev/null || useradd -r -g %{vncgroup} -d /var/lib/empty -s /sbin/nologin -c "user for VNC" %{vncuser} || :
-usermod -G shadow -a %{vncuser} || :
-
 %post
 %if 0%{?suse_version} >= 1315
 %_sbindir/update-alternatives \
@@ -286,6 +335,42 @@ if [ "$1" = 0 ] ; then
 fi
 %endif
 
+%pre -n xorg-x11-Xvnc
+# %service_add_pre xvnc@.service
+%service_add_pre xvnc.socket
+
+getent group %{vncgroup} > /dev/null || groupadd -r %{vncgroup} || :
+getent passwd %{vncuser} > /dev/null || useradd -r -g %{vncgroup} -d /var/lib/empty -s /sbin/nologin -c "user for VNC" %{vncuser} || :
+usermod -G shadow -a %{vncuser} || :
+
+%post -n xorg-x11-Xvnc
+# %service_add_post xvnc@.service
+%service_add_post xvnc.socket
+
+%preun -n xorg-x11-Xvnc
+# %service_del_preun xvnc@.service
+%service_del_preun xvnc.socket
+
+%postun -n xorg-x11-Xvnc
+# %service_del_postun xvnc@.service
+%service_del_postun xvnc.socket
+
+%pre -n xorg-x11-Xvnc-novnc
+%service_add_pre xvnc-novnc.service
+%service_add_pre xvnc-novnc.socket
+
+%post -n xorg-x11-Xvnc-novnc
+%service_add_post xvnc-novnc.service
+%service_add_post xvnc-novnc.socket
+
+%preun -n xorg-x11-Xvnc-novnc
+%service_del_preun xvnc-novnc.service
+%service_del_preun xvnc-novnc.socket
+
+%postun -n xorg-x11-Xvnc-novnc
+%service_del_postun xvnc-novnc.service
+%service_del_postun xvnc-novnc.socket
+
 %post -n libXvnc1 -p /sbin/ldconfig
 
 %postun -n libXvnc1 -p /sbin/ldconfig
@@ -330,7 +415,6 @@ fi
 %{_bindir}/vncpasswd.arg
 %{_bindir}/vncserver
 %{_bindir}/x0vncserver
-%{_bindir}/vnc_inetd_httpd
 
 %exclude %{_mandir}/man1/Xserver.1*
 %{_mandir}/man1/Xvnc.1*
@@ -339,6 +423,10 @@ fi
 %{_mandir}/man1/vncserver.1*
 %{_mandir}/man1/x0vncserver.1*
 
+%{_unitdir}/xvnc@.service
+%{_unitdir}/xvnc.socket
+%{_sbindir}/rcxvnc
+
 %exclude /usr/%{_lib}/xorg/protocol.txt
 %exclude /usr/%{_lib}/xorg/modules/extensions/libvnc.la
 %ifnarch s390 s390x
@@ -359,7 +447,6 @@ fi
 %else
 %exclude /etc/X11/xorg.conf.d
 %endif
-%config(noreplace) /etc/xinetd.d/vnc
 %dir /etc/slp.reg.d
 %config(noreplace) /etc/slp.reg.d/vnc.reg
 
@@ -369,15 +456,21 @@ fi
 %exclude /usr/lib/debug/.*
 %exclude /usr/src/debug
 
-%doc java/com/tigervnc/vncviewer/README
-%{_datadir}/vnc
-
 %dir %attr(0755,%{vncuser},%{vncuser}) %{_sysconfdir}/vnc
 %ghost %attr(0600,%{vncuser},%{vncuser}) %config(noreplace) %{tlskey}
 %ghost %attr(0644,%{vncuser},%{vncuser}) %config(noreplace) %{tlscert}
 
 %{_libexecdir}/vnc
 
+%files -n xorg-x11-Xvnc-novnc
+%{_unitdir}/xvnc-novnc.service
+%{_unitdir}/xvnc-novnc.socket
+%{_sbindir}/rcxvnc-novnc
+
+%files -n xorg-x11-Xvnc-java
+%doc java/com/tigervnc/vncviewer/README
+%{_datadir}/vnc
+
 %files -n libXvnc1
 %defattr(-,root,root)
 %{_libdir}/libXvnc.so.1*
@@ -387,4 +480,8 @@ fi
 %{_libdir}/libXvnc.so
 %{_includedir}/X11/extensions/Xvnc.h
 
+%files x11vnc
+%defattr(-,root,root)
+%{_bindir}/x11vnc
+
 %changelog

vnc.xinetd

@@ -1,90 +0,0 @@
-# default: off
-# description: This serves out a VNC connection which starts at a KDM login \
-#	prompt. This VNC connection has a resolution of 1024x768, 16bit depth.
-service vnc1
-{
-	type		= UNLISTED
-	port		= 5901
-	socket_type	= stream
-	protocol	= tcp
-	wait		= no
-	user		= vnc
-	server		= /usr/lib/vnc/with-vnc-key.sh
-	server_args	= /usr/bin/Xvnc -noreset -inetd -once -query localhost -geometry 1024x768 -securitytypes X509None,None -X509Key /etc/vnc/tls.key -X509Cert /etc/vnc/tls.cert -log *:syslog:30 -extension MIT-SHM
-	disable		= yes
-}
-# default: off
-# description: This serves out a VNC connection which starts at a KDM login \
-#	prompt. This VNC connection has a resolution of 1280x1024, 16bit depth.
-service vnc2
-{
-	type		= UNLISTED
-	port		= 5902
-	socket_type	= stream
-	protocol	= tcp
-	wait		= no
-	user		= vnc
-	server		= /usr/lib/vnc/with-vnc-key.sh
-	server_args	= /usr/bin/Xvnc -noreset -inetd -once -query localhost -geometry 1280x1024 -securitytypes X509None,None -X509Key /etc/vnc/tls.key -X509Cert /etc/vnc/tls.cert -log *:syslog:30 -extension MIT-SHM
-	disable		= yes
-}
-# default: off
-# description: This serves out a VNC connection which starts at a KDM login \
-#	prompt. This VNC connection has a resolution of 1600x1200, 16bit depth.
-service vnc3
-{
-	type		= UNLISTED
-	port		= 5903
-	socket_type	= stream
-	protocol	= tcp
-	wait		= no
-	user		= vnc
-	server		= /usr/lib/vnc/with-vnc-key.sh
-	server_args	= /usr/bin/Xvnc -noreset -inetd -once -query localhost -geometry 1600x1200 -securitytypes X509None,None -X509Key /etc/vnc/tls.key -X509Cert /etc/vnc/tls.cert -log *:syslog:30 -extension MIT-SHM
-	disable		= yes
-}
-# default: off
-# description: This serves out the vncviewer Java applet for the VNC \
-#	server running on port 5901, (vnc port 1).
-service vnchttpd1
-{
-	type		= UNLISTED
-	port		= 5801
-	socket_type	= stream
-	protocol	= tcp
-	wait		= no
-	user		= vnc
-	server		= /usr/lib/vnc/with-vnc-key.sh
-	server_args	= /usr/bin/vnc_inetd_httpd 1024 768 5901
-	disable		= yes
-}
-# default: off
-# description: This serves out the vncviewer Java applet for the VNC \
-#	server running on port 5902, (vnc port 2).
-service vnchttpd2
-{
-	type		= UNLISTED
-	port		= 5802
-	socket_type	= stream
-	protocol	= tcp
-	wait		= no
-	user		= vnc
-	server		= /usr/lib/vnc/with-vnc-key.sh
-	server_args	= /usr/bin/vnc_inetd_httpd 1280 1024 5902
-	disable		= yes
-}
-# default: off
-# description: This serves out the vncviewer Java applet for the VNC \
-#	server running on port 5902, (vnc port 3).
-service vnchttpd3
-{
-	type		= UNLISTED
-	port		= 5803
-	socket_type	= stream
-	protocol	= tcp
-	wait		= no
-	user		= vnc
-	server		= /usr/lib/vnc/with-vnc-key.sh
-	server_args	= /usr/bin/vnc_inetd_httpd 1600 1200 5903
-	disable		= yes
-}

vnc_inetd_httpd

@@ -1,114 +0,0 @@
-#!/usr/bin/env python
-
-# This is simple stupid WWW server intended to serve VNC java applet.
-# It is made to be called by xinetd.
-# It handles both HTTP and HTTPS on the same port. If HTTPS is allowed, any HTTP requests is responded with redirect to HTTPS.
-
-import re
-import sys
-import socket
-import time
-
-from OpenSSL import SSL, crypto
-
-TLS_KEY = "/etc/vnc/tls.key"
-TLS_CERT = "/etc/vnc/tls.cert"
-JAR_FILE = "/usr/share/vnc/classes/VncViewer.jar"
-TIMEOUT = 10
-
-WIDTH = int(sys.argv[1])
-HEIGHT = int(sys.argv[2])
-VNC_PORT = int(sys.argv[3])
-USE_HTTPS = not (len(sys.argv) >= 5 and sys.argv[4] == "NoHTTPS")
-
-
-# Take the stdin as our input socket (given from xinetd)
-conn = sock = socket.fromfd(sys.stdin.fileno(), socket.AF_INET, socket.SOCK_STREAM)
-
-# If we are supposed to use HTTPS, load certificate and replace conn with SSL connection.
-if USE_HTTPS:
-  cert = crypto.load_certificate(crypto.FILETYPE_PEM, open(TLS_CERT, 'r').read())
-
-  context = SSL.Context(SSL.SSLv23_METHOD)
-  context.use_privatekey_file(TLS_KEY)
-  context.use_certificate(cert)
-
-  conn = SSL.Connection(context, sock)
-  conn.set_accept_state()
-
-# Send normal response
-def send_response(connection, ctype, response):
-  connection.sendall(
-    "HTTP/1.0 200 OK\n" +
-    "Content-Type: " + ctype + "\n" +
-    "Content-Length: " + str(len(response)) + "\n" +
-    "Connection: close\n" +
-    "\n" +
-    response
-  )
-
-# Send redirect
-def send_redirect(connection, ctype, response, location):
-  connection.sendall(
-    "HTTP/1.0 301 Moved Permanently\n" +
-    "Location: " + location + "\n" +
-    "Content-Type: " + ctype + "\n" +
-    "Content-Length: " + str(len(response)) + "\n" +
-    "Connection: close\n" +
-    "\n" +
-    response
-  )
-
-
-# Try to read and parse HTTP request
-try:
-  start_time = time.time()
-  buffer = ''
-  while True:
-    buffer += conn.recv(1024)
-
-    if buffer.endswith("\r\n\r\n") or start_time + TIMEOUT < time.time():
-      break
-
-  method, url = buffer.split(" ", 2)[0:2]
-
-  if url == '/VncViewer.jar':
-    with open(JAR_FILE, 'r') as file:
-      send_response(conn, "application/octet-stream", file.read())
-  else:
-    response = \
-    """<html>
-        <head>
-          <title>Remote Desktop</title>
-        </head>
-        <body>
-          <embed type="application/x-java-applet;version=1.6" code="com.tigervnc.vncviewer.VncViewer" archive="VncViewer.jar" width="%d" height="%d"
-            Port="%d"
-            Embed="true"
-            AlwaysShowServerDialog="false"
-            SecurityTypes="%s"
-            x509autoaccept="%s"
-          >
-        </body>
-      </html>
-    """%(WIDTH, HEIGHT, VNC_PORT, 'X509None' if USE_HTTPS else 'TLSNone', cert.digest('SHA1') if USE_HTTPS else '')
-
-    send_response(conn, "text/html", response)
-
-except SSL.Error:
-  # If SSL failed, it is most probably because the browser is actually trying to do normal HTTP request.
-
-  # We have now a partially consumed HTTP request in sock, let's try if we can get Host header out of it
-  partial_request = sock.recv(8000) # Arbitrary big number, if the request is longer than this, we will just skip the rest.
-
-  host = None
-  match = re.search(r"\r\nHost: ([^\r]+)\r\n", partial_request)
-  if match:
-    host = match.group(1)
-
-  if host:
-    # If we got host header, we can redirect nicely with HTTP 301.
-    send_redirect(sock, "text.html", "<html><body>Use https.</body></html>", "https://" + host)
-  else:
-    # If we don't know the host header, redirect using javascript.
-    send_response(sock, "text.html", "<html><head><script>document.location.protocol = 'https';</script></head><body>Use https.</body></html>")

x11vnc

@@ -0,0 +1,194 @@
+#!/usr/bin/env python
+
+# This is wrapper for x0vncserver that translate most common x11vnc arguments
+# to x0vncserver's arguments
+
+import argparse
+import socket
+import os
+import sys
+
+def is_port_free(port):
+    try:
+        sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+        sock.bind(('', port))
+        sock.close()
+        return True
+    except socket.error as e:
+        return False
+
+def find_free_port(starting_port):
+    for port in range(starting_port, 6000):
+        if is_port_free(port):
+            return port
+    return None
+
+parser = argparse.ArgumentParser(add_help=False)
+
+parser.add_argument('-help', '-h', action='help')
+parser.add_argument('--version', '-V', action='store_true')
+
+parser.add_argument('-storepasswd', nargs=2)
+
+parser.add_argument('-display')
+parser.add_argument('-auth')
+parser.add_argument('-N', action='store_true')
+parser.add_argument('-rfbport', type=int)
+parser.add_argument('-autoport', type=int, default=5900)
+parser.add_argument('-6', dest='yes6', action='store_true')
+parser.add_argument('-no6', action='store_true')
+
+#parser.add_argument('-once', action='store_true') # TODO: Add support to x0vncserver
+parser.add_argument('-forever', '-many', action='store_true')
+parser.add_argument('-viewonly', action='store_true')
+
+#parser.add_argument('-shared', action='store_true') # TODO?
+parser.add_argument('-alwaysshared', action='store_true')
+parser.add_argument('-nevershared', action='store_true')
+parser.add_argument('-dontdisconnect', action='store_true')
+
+#parser.add_argument('-timeout', nargs=1, type=int) # TODO?
+
+parser.add_argument('-clip')
+parser.add_argument('-deferupdate', type=int)
+parser.add_argument('-noshm', action='store_true')
+
+#parser.add_argument('-allow', nargs=1) # TODO?
+#parser.add_argument('-localhost') # TODO?
+
+parser.add_argument('-rfbauth')
+parser.add_argument('-nopw', action='store_true')
+parser.add_argument('-unixpw')
+
+# Accepted, but ignored arguments
+ignored_arguments = ['-v', '-verbose', '-q', '-quiet']
+parser.add_argument(*ignored_arguments, dest='ignored_argument', action='store_true')
+
+
+print('Warning: x11vnc is deprecated in favor of x0vncserver.')
+print('         This is a wrapper that maps the most common set of x11vnc')
+print('         arguments to x0vncserver arguments.')
+print()
+print('         Use x0vncserver directly if you want encrypted connection.')
+print()
+
+args = parser.parse_args()
+
+
+# Warnings
+if args.ignored_argument:
+    print('Warning: x11vnc wrapper accepts but ignores following arguments:')
+    print(', '.join(ignored_arguments))
+
+
+# vncpasswd
+if args.storepasswd:
+    (password, passwdfile) = args.storepasswd
+
+    os.execlp('vncpasswd.arg', 'vncpasswd.arg', passwdfile, password)
+
+
+# x0vncserver
+new_args = ['x0vncserver']
+
+default_security_type = 'None'
+security_type = default_security_type
+
+if args.version:
+    new_args.append('-version')
+
+if args.display:
+    new_args.append('-display')
+    new_args.append(args.display)
+
+if args.auth:
+    os.environ['XAUTHORITY'] = args.auth
+
+if args.N:
+    display = args.display or os.environ['DISPLAY']
+    if not display:
+        print('No display set')
+        sys.exit(1)
+    port = int(display.split(':')[-1]) + 5900
+    if is_port_free(port):
+        new_args.append('-rfbport')
+        new_args.append(str(port))
+    else:
+        print('Port %d is already used'%port)
+        sys.exit(1)
+
+if args.rfbport:
+    new_args.append('-rfbport')
+    new_args.append(str(args.rfbport))
+else:
+    port = find_free_port(args.autoport)
+    new_args.append('-rfbport')
+    new_args.append(str(port))
+
+if args.yes6:
+    new_args.append('-UseIPv6')
+if args.no6:
+    new_args.append('-UseIPv6=0')
+
+if args.forever:
+    # This is default in x0vncserver
+    pass
+
+if args.viewonly:
+    new_args.append('-AcceptKeyEvents=0')
+    new_args.append('-AcceptPointerEvents=0')
+    new_args.append('-AcceptCutText=0')
+    new_args.append('-AcceptSetDesktopSize=0')
+
+if args.alwaysshared:
+    new_args.append('-AlwaysShared')
+if args.nevershared:
+    new_args.append('-NeverShared')
+if args.dontdisconnect:
+    new_args.append('-DisconnectClients=0')
+else:
+    new_args.append('-DisconnectClients')
+
+if args.clip:
+    new_args.append('-Geometry')
+    new_args.append(args.clip)
+
+if args.deferupdate:
+    new_args.append('-DeferUpdate')
+    new_args.append(str(args.deferupdate))
+
+if args.noshm:
+    new_args.append('-UseSHM=0')
+
+if args.rfbauth:
+    security_type = 'VncAuth'
+    new_args.append('-PasswordFile')
+    new_args.append(args.rfbauth)
+
+if args.unixpw:
+    security_type = 'Plain'
+    new_args.append('-PlainUsers')
+    new_args.append(args.unixpw)
+
+new_args.append('-SecurityTypes')
+new_args.append(security_type)
+
+if not args.nopw:
+    # Note: This is the same warning as the original x11vnc gives
+    if security_type == default_security_type:
+        print("""
+#@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@#
+#@                                                           @#
+#@  **  WARNING  **  WARNING  **  WARNING  **  WARNING  **   @#
+#@                                                           @#
+#@        YOU ARE RUNNING X11VNC WITHOUT A PASSWORD!!        @#
+#@                                                           @#
+#@  This means anyone with network access to this computer   @#
+#@  may be able to view and control your desktop.            @#
+#@                                                           @#
+#@ >>> If you did not mean to do this Press CTRL-C now!! <<< @#
+#@                                                           @#
+#@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@#
+""")
+
+os.execvp('x0vncserver', new_args)

xvnc-novnc.service

@@ -0,0 +1,10 @@
+[Unit]
+Description=noVNC Web Server
+Requires=xvnc.socket
+After=xvnc.socket
+
+[Service]
+ExecStart=/usr/lib/vnc/with-vnc-key.sh /usr/bin/websockify --key /etc/vnc/tls.key --cert /etc/vnc/tls.cert --web /usr/share/novnc --inetd localhost:5901
+User=vnc
+StandardInput=socket
+StandardError=syslog

xvnc-novnc.socket

@@ -0,0 +1,9 @@
+[Unit]
+Description=noVNC Web Server
+
+[Socket]
+ListenStream=5801
+Accept=False
+
+[Install]
+WantedBy=sockets.target

xvnc.socket

@@ -0,0 +1,9 @@
+[Unit]
+Description=Xvnc Server
+
+[Socket]
+ListenStream=5901
+Accept=yes
+
+[Install]
+WantedBy=sockets.target

xvnc@.service

@@ -0,0 +1,9 @@
+[Unit]
+Description=Xvnc Server
+
+[Service]
+ExecStart=/usr/lib/vnc/with-vnc-key.sh /usr/bin/Xvnc -noreset -inetd -once -query localhost -geometry 1024x768 -securitytypes X509None,None -X509Key /etc/vnc/tls.key -X509Cert /etc/vnc/tls.cert -log *:syslog:30 -extension MIT-SHM
+User=vnc
+StandardInput=socket
+StandardOutput=socket
+StandardError=syslog