## This makes a second instance of sshd available on another port.
## Installation instructions:  (may pipe this into sh -s)

# Need of course a copy of the sshd:
# (Copy this again each time openssh is updated!!)
cp -p /usr/sbin/sshd /usr/sbin/sshd2

# You'll also want a symlink
ln -sf ../../etc/init.d/sshd2 /usr/sbin/rcsshd2

# Apply patch:
patch -p0 -b < /etc/local/SuSEfirewall2-3.1suse8.2.diff

# After applying the patch with patch -p0 -b, rename the init.d scripts:
mv /etc/init.d/sshd /etc/init.d/sshd2
mv /etc/init.d/sshd.orig /etc/init.d/sshd

exit



--- /etc/sysconfig/ssh.orig	2003-05-12 11:35:16.000000000 +1200
+++ /etc/sysconfig/ssh	2003-06-13 12:31:22.000000000 +1200
@@ -6,3 +6,15 @@
 # Options for sshd
 #
 SSHD_OPTS=""
+
+## Path:        Network/Remote access/SSH
+## Description: backup SSH server settings
+## Type:        string
+## Default:     ""
+#
+# Options for backup ssh daemon, and port number it's listening on
+# (Both variables are used by the init script)
+# This extension by Volker Kuhlmann.
+#
+SSHD_2_PORT="2222"
+SSHD_2_OPTS="-4 -o Port=$SSHD_2_PORT -o Protocol=2"
--- /etc/init.d/sshd	2003-03-19 01:15:30.000000000 +1200
+++ /etc/init.d/sshd2	2003-06-13 12:41:39.000000000 +1200
@@ -3,19 +3,22 @@
 #
 # Author: Jiri Smid <feedback@suse.de>
 #
-# /etc/init.d/sshd
+# /etc/init.d/sshd2
 #
 #   and symbolic its link
 #
-# /usr/sbin/rcsshd
+# /usr/sbin/rcsshd2
+#
+# Volker Kuhlmann:
+# Start up a second sshd on another port.
 #
 ### BEGIN INIT INFO
-# Provides: sshd
+# Provides: sshd2
 # Required-Start: $network $remote_fs
 # Required-Stop: $network $remote_fs
 # Default-Start: 3 5
 # Default-Stop: 0 1 2 6
-# Description: Start the sshd daemon
+# Description: Start the backup sshd daemon
 ### END INIT INFO
 
 SSHD_BIN=/usr/sbin/sshd
@@ -24,11 +27,26 @@
 SSHD_SYSCONFIG=/etc/sysconfig/ssh
 test -r $SSHD_SYSCONFIG || exit 6
 . $SSHD_SYSCONFIG
+SSHD_OPTS="$SSHD_2_OPTS"
+SSHD_PORT="$SSHD_2_PORT"
 
-SSHD_PIDFILE=/var/run/sshd.init.pid
+SSHD_PIDFILE=/var/run/sshd2.init.pid
 
 . /etc/rc.status
 
+# Check of the port for the backup sshd is specified
+test -n "$SSHD_PORT" || {
+    echo "\$SSHD_2_PORT is unset - was /etc/sysconfig/ssh modified?"
+    exit 6
+}
+# Create the hardlink of second sshd if necessary
+test -e "${SSHD_BIN}2" || {
+    echo "Creating hardlink ${SSHD_BIN}2 to $SSHD_BIN"
+    ln $SSHD_BIN "${SSHD_BIN}2"
+}
+SSHD_BIN="${SSHD_BIN}2"
+test -x $SSHD_BIN || exit 5
+
 # Shell functions sourced from /etc/rc.status:
 #      rc_check         check and set local and overall rc status
 #      rc_status        check and set local and overall rc status
@@ -57,21 +75,21 @@
 	    
 	    ssh-keygen -t rsa -b 1024 -f /etc/ssh/ssh_host_rsa_key -N ''
         fi
-	echo -n "Starting SSH daemon"
+	echo -n "Starting backup SSH daemon (port $SSHD_PORT)"
 	## Start daemon with startproc(8). If this fails
 	## the echo return value is set appropriate.
 
-	startproc -f -p $SSHD_PIDFILE /usr/sbin/sshd $SSHD_OPTS -o "PidFile=$SSHD_PIDFILE" 
+	startproc -f -p $SSHD_PIDFILE $SSHD_BIN $SSHD_OPTS -o "PidFile=$SSHD_PIDFILE" 
 
 	# Remember status and be verbose
 	rc_status -v
 	;;
     stop)
-	echo -n "Shutting down SSH daemon"
+	echo -n "Shutting down backup SSH daemon"
 	## Stop daemon with killproc(8) and if this fails
 	## set echo the echo return value.
 
-	killproc -p $SSHD_PIDFILE -TERM /usr/sbin/sshd
+	killproc -p $SSHD_PIDFILE -TERM $SSHD_BIN
 
 	# Remember status and be verbose
 	rc_status -v
@@ -97,15 +115,15 @@
 	## Signal the daemon to reload its config. Most daemons
 	## do this on signal 1 (SIGHUP).
 
-	echo -n "Reload service sshd"
+	echo -n "Reload service sshd2"
 
-	killproc -p $SSHD_PIDFILE -HUP /usr/sbin/sshd
+	killproc -p $SSHD_PIDFILE -HUP $SSHD_BIN
 
         rc_status -v
 
         ;;
     status)
-	echo -n "Checking for service sshd "
+	echo -n "Checking for service sshd2 "
         ## Check status with checkproc(8), if process is running
         ## checkproc will return with exit status 0.
 
@@ -115,7 +133,7 @@
         # 2 - service dead, but /var/lock/ lock file exists
         # 3 - service not running
 
-	checkproc -p $SSHD_PIDFILE /usr/sbin/sshd
+	checkproc -p $SSHD_PIDFILE $SSHD_BIN
 
 	rc_status -v
 	;;