freebsd-nq/libexec/rc/rc.d/motd

#!/bin/sh
#
# $FreeBSD$
#

# PROVIDE: motd
# REQUIRE: mountcritremote FILESYSTEMS
# BEFORE:  LOGIN

. /etc/rc.subr

name="motd"
desc="Update /var/run/motd"
rcvar="update_motd"
start_cmd="motd_start"
stop_cmd=":"

COMPAT_MOTD="/etc/motd"
TARGET="/var/run/motd"
TEMPLATE="/etc/motd.template"
PERMS="644"

motd_start()
{
	#	Update kernel info in /var/run/motd
	#	Must be done *before* interactive logins are possible
	#	to prevent possible race conditions.
	#
	check_startmsgs && echo -n 'Updating motd:'
	if [ ! -f "${TEMPLATE}" ]; then
		# Create missing template from existing regular motd file, if
		# one exists.
		if [ -f "${COMPAT_MOTD}" ]; then
			sed '1{/^FreeBSD.*/{d;};};' "${COMPAT_MOTD}" > "${TEMPLATE}"
			chmod $PERMS "${TEMPLATE}"
			rm -f "${COMPAT_MOTD}"
		else
			# Otherwise, create an empty template file.
			install -c -o root -g wheel -m ${PERMS} /dev/null "${TEMPLATE}"
		fi
		# Provide compatibility symlink:
		if [ ! -h "${COMPAT_MOTD}" ]; then
			ln -sF "${TARGET}" "${COMPAT_MOTD}"
		fi
	fi

	T=`mktemp -t motd`
	uname -v | sed -e 's,^\([^#]*\) #\(.* [1-2][0-9][0-9][0-9]\).*/\([^\]*\) $,\1 (\3) #\2,' > ${T}
	cat "${TEMPLATE}" >> ${T}

	install -C -o root -g wheel -m "${PERMS}" "$T" "${TARGET}"
	rm -f "$T"

	check_startmsgs && echo '.'
}

load_rc_config $name
run_rc_command "$1"