freebsd-dev/etc/rc.d/sshd
2016-01-22 12:14:08 +00:00

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#!/bin/sh
#
# $FreeBSD$
#
# PROVIDE: sshd
# REQUIRE: LOGIN FILESYSTEMS
# KEYWORD: shutdown
. /etc/rc.subr
name="sshd"
rcvar="sshd_enable"
command="/usr/sbin/${name}"
keygen_cmd="sshd_keygen"
start_precmd="sshd_precmd"
reload_precmd="sshd_configtest"
restart_precmd="sshd_configtest"
configtest_cmd="sshd_configtest"
pidfile="/var/run/${name}.pid"
extra_commands="configtest keygen reload"
: ${sshd_rsa1_enable:="no"}
: ${sshd_rsa_enable:="yes"}
: ${sshd_dsa_enable:="no"}
: ${sshd_ecdsa_enable:="yes"}
: ${sshd_ed25519_enable:="yes"}
sshd_keygen_alg()
{
local alg=$1
local ALG="$(echo $alg | tr a-z A-Z)"
local keyfile
if ! checkyesno "sshd_${alg}_enable" ; then
return 0
fi
case $alg in
rsa1)
keyfile="/etc/ssh/ssh_host_key"
;;
rsa|dsa|ecdsa|ed25519)
keyfile="/etc/ssh/ssh_host_${alg}_key"
;;
*)
return 1
;;
esac
if [ ! -x /usr/bin/ssh-keygen ] ; then
warn "/usr/bin/ssh-keygen does not exist."
return 1
fi
if [ -f "${keyfile}" ] ; then
info "$ALG host key exists."
else
echo "Generating $ALG host key."
/usr/bin/ssh-keygen -q -t $alg -f "$keyfile" -N ""
/usr/bin/ssh-keygen -l -f "$keyfile.pub"
fi
}
sshd_keygen()
{
sshd_keygen_alg rsa1
sshd_keygen_alg rsa
sshd_keygen_alg dsa
sshd_keygen_alg ecdsa
sshd_keygen_alg ed25519
}
sshd_configtest()
{
echo "Performing sanity check on ${name} configuration."
eval ${command} ${sshd_flags} -t
}
sshd_precmd()
{
run_rc_command keygen
run_rc_command configtest
}
load_rc_config $name
run_rc_command "$1"