WiP version for ssh stop/start script, far from finished

svn path=/nixpkgs/trunk/; revision=4369

pkgs/servers/ssh-script/builder.sh

@@ -0,0 +1,6 @@
+source $stdenv/setup
+
+sed -e "s^@bash\@^$bash^g" \
+    -e "s^@sshd\@\^$sshd^g" \
+    -e "s^@initscripts\@\^$initscripts^g" \
+    < $script > control

pkgs/servers/ssh-script/default.nix

@@ -0,0 +1,9 @@
+{stdenv, ssh, bash, initscripts, key ? null}:
+
+stdenv.mkDerivation {
+  name = "ssh-script-0.0.1";
+  server = "ssh";
+  builder = ./builder.sh ;
+  inherit ssh initscripts;
+  script = [./sshd];
+}

pkgs/servers/ssh-script/sshd

@@ -0,0 +1,154 @@
+#!@bash@/bin/bash
+#
+# Init file for OpenSSH server daemon
+#
+# chkconfig: 2345 55 25
+# description: OpenSSH server daemon
+#
+# processname: sshd
+# config: /etc/ssh/ssh_host_key
+# config: /etc/ssh/ssh_host_key.pub
+# config: /etc/ssh/ssh_random_seed
+# config: /etc/ssh/sshd_config
+# pidfile: /var/run/sshd.pid
+
+# source function library
+. @initscripts@/etc/rc.d/init.d/functions
+
+# pull in sysconfig settings
+[ -f /etc/sysconfig/sshd ] && . /etc/sysconfig/sshd
+
+RETVAL=0
+prog="sshd"
+
+# Some functions to make the below more readable
+KEYGEN=@sshd@/bin/ssh-keygen
+SSHD=@sshd@/sbin/sshd
+RSA1_KEY=/etc/ssh/ssh_host_key
+RSA_KEY=/etc/ssh/ssh_host_rsa_key
+DSA_KEY=/etc/ssh/ssh_host_dsa_key
+PID_FILE=/var/run/sshd.pid
+
+do_rsa1_keygen() {
+	if [ ! -s $RSA1_KEY ]; then
+		echo -n $"Generating SSH1 RSA host key: "
+		if $KEYGEN -q -t rsa1 -f $RSA1_KEY -C '' -N '' >&/dev/null; then
+			chmod 600 $RSA1_KEY
+			chmod 644 $RSA1_KEY.pub
+			success $"RSA1 key generation"
+			echo
+		else
+			failure $"RSA1 key generation"
+			echo
+			exit 1
+		fi
+	fi
+}
+
+do_rsa_keygen() {
+	if [ ! -s $RSA_KEY ]; then
+		echo -n $"Generating SSH2 RSA host key: "
+		if $KEYGEN -q -t rsa -f $RSA_KEY -C '' -N '' >&/dev/null; then
+			chmod 600 $RSA_KEY
+			chmod 644 $RSA_KEY.pub
+			success $"RSA key generation"
+			echo
+		else
+			failure $"RSA key generation"
+			echo
+			exit 1
+		fi
+	fi
+}
+
+do_dsa_keygen() {
+	if [ ! -s $DSA_KEY ]; then
+		echo -n $"Generating SSH2 DSA host key: "
+		if $KEYGEN -q -t dsa -f $DSA_KEY -C '' -N '' >&/dev/null; then
+			chmod 600 $DSA_KEY
+			chmod 644 $DSA_KEY.pub
+			success $"DSA key generation"
+			echo
+		else
+			failure $"DSA key generation"
+			echo
+			exit 1
+		fi
+	fi
+}
+
+do_restart_sanity_check()
+{
+	$SSHD -t
+	RETVAL=$?
+	if [ ! "$RETVAL" = 0 ]; then
+		failure $"Configuration file or keys are invalid"
+		echo
+	fi
+}
+
+start()
+{
+	# Create keys if necessary
+	do_rsa1_keygen
+	do_rsa_keygen
+	do_dsa_keygen
+
+	echo -n $"Starting $prog:"
+	initlog -c "$SSHD $OPTIONS" && success || failure
+	RETVAL=$?
+	[ "$RETVAL" = 0 ] && touch /var/lock/subsys/sshd
+	echo
+}
+
+stop()
+{
+	echo -n $"Stopping $prog:"
+	killproc $SSHD -TERM
+	RETVAL=$?
+	[ "$RETVAL" = 0 ] && rm -f /var/lock/subsys/sshd
+	echo
+}
+
+reload()
+{
+	echo -n $"Reloading $prog:"
+	killproc $SSHD -HUP
+	RETVAL=$?
+	echo
+}
+
+case "$1" in
+	start)
+		start
+		;;
+	stop)
+		stop
+		;;
+	restart)
+		stop
+		start
+		;;
+	reload)
+		reload
+		;;
+	condrestart)
+		if [ -f /var/lock/subsys/sshd ] ; then
+			do_restart_sanity_check
+			if [ "$RETVAL" = 0 ] ; then
+				stop
+				# avoid race
+				sleep 3
+				start
+			fi
+		fi
+		;;
+	status)
+		status $SSHD
+		RETVAL=$?
+		;;
+	*)
+		echo $"Usage: $0 {start|stop|restart|reload|condrestart|status}"
+		RETVAL=1
+esac
+exit $RETVAL