xref: /src/etc/rc.d/sshd

#!/bin/sh
#
# $NetBSD: sshd,v 1.25 2017/12/04 14:50:33 kre Exp $
#

# PROVIDE: sshd
# REQUIRE: LOGIN

$_rc_subr_loaded . /etc/rc.subr

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

sshd_keygen()
{
(
	keygen="/usr/bin/ssh-keygen"
	umask 022
	while read type bits filename version name;  do
		f="/etc/ssh/$filename"
		if [ -f "$f" ]; then
			echo "You already have an $name host key in $f"
			echo "Skipping protocol version $version $name" \
			    "Key Generation"
		else
			case "${bits}" in
			-1)	bitarg=;;
			0)	bitarg="${ssh_keygen_flags}";;
			*)	bitarg="-b ${bits}";;
			esac
			"${keygen}" -t "${type}" ${bitarg} -f "${f}" -N ''
		fi
	done << _EOF
dsa	1024	ssh_host_dsa_key	2	DSA
ecdsa	521	ssh_host_ecdsa_key	1	ECDSA
ed25519	-1	ssh_host_ed25519_key	1	ED25519
rsa	0	ssh_host_rsa_key	2	RSA
_EOF
)
}

sshd_precmd()
{
	if ! [ -f /etc/ssh/ssh_host_dsa_key ]	  ||
	   ! [ -f /etc/ssh/ssh_host_ecdsa_key ]	  ||
	   ! [ -f /etc/ssh/ssh_host_ed25519_key ] ||
	   ! [ -f /etc/ssh/ssh_host_rsa_key ];	    then
		run_rc_command keygen
	fi
}

keygen_cmd=sshd_keygen
start_precmd=sshd_precmd

load_rc_config $name
run_rc_command "$1"