Added install/uninstall support for Linux systemd

INSTALL

@@ -13,15 +13,11 @@ $ cd gophernicus-*
 $ make
 $ sudo make install
 
-Then add the below line to your /etc/inetd.conf and restart
-inetd. If your system comes with something else than standard
-inetd "make install" should have done the right thing already.
-
-gopher  stream  tcp  nowait  nobody  /usr/sbin/in.gophernicus  in.gophernicus -h <hostname>
-
-The -h <hostname> parameter is mandatory for a properly working
-Gophernicus. Other parameters can also be added, see the full
-list by running "/usr/sbin/in.gophernicus -?"
+That's it - Gophernicus should now be installed, preconfigured
+and running under gopher://<HOSTNAME>/. And more often than not,
+It Just Works(tm). If gopher links don't seem to work you may
+need to configure your public hostname explicitly in whatever
+config file Gophernicus is using.
 
 By default Gophernicus serves gopher documents from /var/gopher
 although that can be changed by using the -r <root> parameter.
@@ -31,6 +27,16 @@ hostname (the one set with -h <hostname>) directory available
 (mkdir /var/gopher/$HOSTNAME).
 
 
+Running with traditional inetd superserver
+==========================================
+
+If you want to run Gophernicus under the traditional Unix
+inetd, add the below line to your /etc/inetd.conf and restart
+the inetd process.
+
+gopher  stream  tcp  nowait  nobody  /usr/sbin/in.gophernicus  in.gophernicus -h <hostname>
+
+
 Compiling on Debian Linux (and Ubuntu)
 ======================================
 
@@ -44,14 +50,6 @@ of "sudo make install" you should just install the deb with
 Work(tm).
 
 
-Compiling on Mac OS X
-=====================
-
-When you run "make install" on OSX-like system with launchd
-the install routine also installs a plist file and tells launchd
-to start the server up. In other words, It Just Works(tm).
-
-
 Cross-compiling
 ===============
 
@@ -100,9 +98,10 @@ Tested (and semi-supported) platforms include:
   AIX 6           POWER4        gcc 4
   AIX 7           POWER5        gcc 4
   CentOS 5        x86_64        gcc 4
+  Debian Squeeze  armv5tel      gcc 4
   Debian Wheezy   i386          gcc 4
   Debian Wheezy   x86_64        gcc 4
-  Debian Squeeze  armv5tel      gcc 4
+  Debian Jessie   x86_64        gcc 4
   Maemo 5         armv7l        gcc 4
   MacOSX 10.5     i386          gcc 4
   MacOSX 10.7     x86_64        llvm-gcc 4

Makefile

@@ -29,8 +29,9 @@ MAP     = gophermap
 INETD   = /etc/inetd.conf
 XINETD  = /etc/xinetd.d
 LAUNCHD = /Library/LaunchDaemons
-PLIST   = org.gophernicus.server.plist
+PLIST   = org.$(NAME).server.plist
 NET_SRV = /boot/common/settings/network/services
+SYSTEMD = /lib/systemd/system
 
 DIST    = $(PACKAGE)-$(VERSION)
 TGZ     = $(DIST).tar.gz
@@ -129,8 +130,9 @@ install: ChangeLog
 		                 install-files install-docs install-root install-haiku install-done; ;; \
 		*)       $(MAKE) install-files install-docs install-root; ;; \
 	esac
-	@if [ -d "$(XINETD)" ]; then $(MAKE) install-xinetd install-done; fi
-	@if [ -f "$(INETD)" ]; then $(MAKE) install-inetd; fi
+	@if [ -d "$(SYSTEMD)" ]; then $(MAKE) install-systemd install-done; \
+	elif [ -d "$(XINETD)" ]; then $(MAKE) install-xinetd install-done; \
+	elif [ -f "$(INETD)" ]; then $(MAKE) install-inetd; fi
 
 .PHONY: install
 
@@ -187,8 +189,7 @@ install-xinetd:
 
 install-osx:
 	if [ -d "$(LAUNCHD)" -a ! -f "$(LAUNCHD)/$(PLIST)" ]; then \
-		sed -e "s/@HOSTNAME@/`hostname`/g" org.gophernicus.server.plist > \
-			$(LAUNCHD)/$(PLIST); \
+		sed -e "s/@HOSTNAME@/`hostname`/g" $(PLIST) > $(LAUNCHD)/$(PLIST); \
 		launchctl load $(LAUNCHD)/$(PLIST); \
 	fi
 	@echo
@@ -203,7 +204,7 @@ install-haiku:
 		echo "	family inet"; \
 		echo "	protocol tcp"; \
 		echo "	port 70"; \
-		echo "	launch in.gophernicus -h `hostname`"; \
+		echo "	launch $(BINARY) -h `hostname`"; \
 		echo "}") >> $(NET_SRV); \
 	fi
 	@echo
@@ -213,10 +214,19 @@ install-haiku:
 	nohup /boot/system/servers/net_server >/dev/null 2>/dev/null &
 	@echo
 
+install-systemd:
+	if [ -d "$(SYSTEMD)" -a ! -f "$(SYSTEMD)/$(NAME).socket" ]; then \
+		$(INSTALL) -m 644 $(NAME).socket $(NAME)\@.service $(SYSTEMD); \
+		systemctl daemon-reload; \
+		systemctl enable $(NAME).socket; \
+		systemctl start $(NAME).socket; \
+	fi
+	@echo
+
 #
 # Uninstall targets
 #
-uninstall: uninstall-xinetd uninstall-launchd
+uninstall: uninstall-xinetd uninstall-launchd uninstall-systemd
 	rm -f $(SBINDIR)/$(BINARY)
 	for DOC in $(DOCS); do rm -f $(DOCDIR)/$$DOC; done
 	rmdir -p $(SBINDIR) $(DOCDIR) 2>/dev/null || true
@@ -239,6 +249,13 @@ uninstall-launchd:
 	fi
 	@echo
 
+uninstall-systemd:
+	if [ -d "$(SYSTEMD)" -a -f "$(SYSTEMD)/$(NAME).socket" ]; then \
+		systemctl stop $(NAME).socket; \
+		systemctl disable $(NAME).socket; \
+		rm -f $(SYSTEMD)/$(NAME).socket $(SYSTEMD)/$(NAME)\@.service; \
+	fi
+	@echo
 
 #
 # Release targets

gophermap

@@ -26,7 +26,7 @@ Generic information:
 =echo "    description....: $SERVER_DESCRIPTION"
 
 Server configuration:
-=echo "    config file....: `for FILE in /Library/LaunchDaemons/org.gophernicus.server.plist /boot/common/settings/network/services /etc/xinetd.d/gophernicus /etc/inetd.conf; do if [ -f $FILE ]; then echo $FILE; break; fi; done`"
+=echo "    config file....: `for FILE in /Library/LaunchDaemons/org.gophernicus.server.plist /boot/common/settings/network/services /lib/systemd/system/gophernicus\@.service /etc/xinetd.d/gophernicus /etc/inetd.conf; do if [ -f $FILE ]; then echo $FILE; break; fi; done`"
 =echo "    server hostname: $SERVER_HOST"
 =echo "    root directory.: $DOCUMENT_ROOT"
 =echo "    running as user: `whoami`"

gophernicus.socket

@@ -0,0 +1,9 @@
+[Unit]
+Description=Gophernicus gopher server
+
+[Socket]
+ListenStream=70
+Accept=yes
+
+[Install]
+WantedBy=sockets.target

gophernicus@.service

@@ -0,0 +1,7 @@
+[Unit]
+Description=Gophernicus gopher server
+
+[Service]
+ExecStart=/usr/sbin/in.gophernicus -h %H
+StandardInput=socket
+User=nobody