Enhancements for systemd (#11)

* Removed SysV init scripts
* Adjusted service definition
* Modify daemonization for forking type of systemd service

src/Makefile

@@ -43,14 +43,15 @@ distclean: clean
 
 
 install:
-	mkdir -p $(DESTDIR)/etc/init.d
+	mkdir -p $(DESTDIR)/etc
+	mkdir -p $(DESTDIR)/lib/systemd/system
 	mkdir -p $(DESTDIR)/usr/sbin
 	mkdir -p $(DESTDIR)/usr/share/man/man8
 	mkdir -p $(DESTDIR)/usr/share/man/man5
 	mkdir -p $(DESTDIR)/usr/share/man/man1
 	cp ipwatchd $(DESTDIR)/usr/sbin
-	cp scripts/ipwatchd-script $(DESTDIR)/usr/sbin
-	cp scripts/debian/ipwatchd $(DESTDIR)/etc/init.d
+	cp ipwatchd-script $(DESTDIR)/usr/sbin
+	cp ipwatchd.service $(DESTDIR)/lib/systemd/system
 	cp ipwatchd.conf $(DESTDIR)/etc
 	cp ../doc/ipwatchd.8.gz $(DESTDIR)/usr/share/man/man8
 	cp ../doc/ipwatchd.conf.5.gz $(DESTDIR)/usr/share/man/man5
@@ -59,7 +60,7 @@ install:
 uninstall:
 	rm $(DESTDIR)/usr/sbin/ipwatchd
 	rm $(DESTDIR)/usr/sbin/ipwatchd-script
-	rm $(DESTDIR)/etc/init.d/ipwatchd
+	rm $(DESTDIR)/lib/systemd/system/ipwatchd.service
 	rm $(DESTDIR)/etc/ipwatchd.conf
 	rm $(DESTDIR)/usr/share/man/man8/ipwatchd.8.gz
 	rm $(DESTDIR)/usr/share/man/man5/ipwatchd.conf.5.gz

src/daemonize.c

@@ -41,13 +41,6 @@ int ipwd_daemonize (void)
 		return (IPWD_RV_ERROR);
 	}
 
-	/* If parent of this process is init we are already in daemon mode */
-	if (getppid () == 1)
-	{
-		ipwd_message (IPWD_MSG_TYPE_INFO, "Already running as daemon");
-		return (IPWD_RV_SUCCESS);
-	}
-
 	/* Fork child process */
 	pid_t pid = fork ();
 	if (pid < 0)

src/ipwatchd.service

@@ -0,0 +1,11 @@
+[Unit]
+Description=IP conflict detection daemon
+Documentation=man:ipwatchd(8) man:ipwatchd.conf(5) man:ipwatchd-script(1)
+After=network.target
+
+[Service]
+Type=forking
+ExecStart=/usr/sbin/ipwatchd -c /etc/ipwatchd.conf
+
+[Install]
+WantedBy=multi-user.target