freebsd/etc/rc.d/sshd

#!/bin/sh
#
# $NetBSD: sshd,v 1.18 2002/04/29 08:23:34 lukem Exp $
# $FreeBSD$
#

# PROVIDE: sshd
# REQUIRE: LOGIN
# KEYWORD: FreeBSD NetBSD

. /etc/rc.subr

name="sshd"
rcvar=`set_rcvar`
command="/usr/sbin/${name}"
keygen_cmd="sshd_keygen"
start_precmd="sshd_precmd"
pidfile="/var/run/${name}.pid"
required_files="/etc/ssh/sshd_config"
extra_commands="keygen reload"

sshd_keygen()
{
	(
	umask 022

	# Can't do anything if ssh is not installed
	[ -x /usr/bin/ssh-keygen ] || {
		warn "/usr/bin/ssh-keygen does not exist."
		return 1
	}

	if [ -f /etc/ssh/ssh_host_key ]; then
		echo "You already have an RSA host key" \
		    "in /etc/ssh/ssh_host_key"
		echo "Skipping protocol version 1 RSA Key Generation"
	else
		/usr/bin/ssh-keygen -t rsa1 -b 1024 \
		    -f /etc/ssh/ssh_host_key -N ''
	fi

	if [ -f /etc/ssh/ssh_host_dsa_key ]; then
		echo "You already have a DSA host key" \
		    "in /etc/ssh/ssh_host_dsa_key"
		echo "Skipping protocol version 2 DSA Key Generation"
	else
		/usr/bin/ssh-keygen -t dsa -f /etc/ssh/ssh_host_dsa_key -N ''
	fi

	if [ -f /etc/ssh/ssh_host_rsa_key ]; then
		echo "You already have a RSA host key" \
		    "in /etc/ssh/ssh_host_rsa_key"
		echo "Skipping protocol version 2 RSA Key Generation"
	else
		/usr/bin/ssh-keygen -t rsa -f /etc/ssh/ssh_host_rsa_key -N ''
	fi
	)
}

sshd_precmd()
{
	if [ ! -f /etc/ssh/ssh_host_key -o \
	    ! -f /etc/ssh/ssh_host_dsa_key -o \
	    ! -f /etc/ssh/ssh_host_rsa_key ]; then
		run_rc_command keygen
	fi
}

load_rc_config $name
run_rc_command "$1"