blob: e91cd0116cd490c781bd0440ce6e41138e3c312a [file] [log] [blame]
#!/sbin/openrc-run
# Copyright 1999-2019 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
extra_commands="checkconfig"
extra_started_commands="reload"
: ${SSHD_CONFDIR:=${RC_PREFIX%/}/etc/ssh}
: ${SSHD_CONFIG:=${SSHD_CONFDIR}/sshd_config}
: ${SSHD_PIDFILE:=${RC_PREFIX%/}/run/${SVCNAME}.pid}
: ${SSHD_BINARY:=${RC_PREFIX%/}/usr/sbin/sshd}
: ${SSHD_KEYGEN_BINARY:=${RC_PREFIX%/}/usr/bin/ssh-keygen}
command="${SSHD_BINARY}"
pidfile="${SSHD_PIDFILE}"
command_args="${SSHD_OPTS} -o PidFile=${pidfile} -f ${SSHD_CONFIG}"
# Wait one second (length chosen arbitrarily) to see if sshd actually
# creates a PID file, or if it crashes for some reason like not being
# able to bind to the address in ListenAddress (bug 617596).
: ${SSHD_SSD_OPTS:=--wait 1000}
start_stop_daemon_args="${SSHD_SSD_OPTS}"
depend() {
# Entropy can be used by ssh-keygen, among other things, but
# is not strictly required (bug 470020).
use logger dns entropy
if [ "${rc_need+set}" = "set" ] ; then
: # Do nothing, the user has explicitly set rc_need
else
local x warn_addr
for x in $(awk '/^ListenAddress/{ print $2 }' "$SSHD_CONFIG" 2>/dev/null) ; do
case "${x}" in
0.0.0.0|0.0.0.0:*) ;;
::|\[::\]*) ;;
*) warn_addr="${warn_addr} ${x}" ;;
esac
done
if [ -n "${warn_addr}" ] ; then
need net
ewarn "You are binding an interface in ListenAddress statement in your sshd_config!"
ewarn "You must add rc_need=\"net.FOO\" to your ${RC_PREFIX%/}/etc/conf.d/sshd"
ewarn "where FOO is the interface(s) providing the following address(es):"
ewarn "${warn_addr}"
fi
fi
}
checkconfig() {
checkpath --mode 0755 --directory "${RC_PREFIX%/}/var/empty"
if [ ! -e "${SSHD_CONFIG}" ] ; then
eerror "You need an ${SSHD_CONFIG} file to run sshd"
eerror "There is a sample file in /usr/share/doc/openssh"
return 1
fi
${SSHD_KEYGEN_BINARY} -A || return 2
"${command}" -t ${command_args} || return 3
}
start_pre() {
# Make sure that the user's config isn't busted before we try
# to start the daemon (this will produce better error messages
# than if we just try to start it blindly).
#
# We always need to call checkconfig because this function will
# also generate any missing host key and you can start a
# non-running service with "restart" argument.
checkconfig || return $?
}
stop_pre() {
# If this is a restart, check to make sure the user's config
# isn't busted before we stop the running daemon.
if [ "${RC_CMD}" = "restart" ] ; then
checkconfig || return $?
fi
}
reload() {
checkconfig || return $?
ebegin "Reloading ${SVCNAME}"
start-stop-daemon --signal HUP --pidfile "${pidfile}"
eend $?
}