xref: /freebsd/libexec/rc/rc.d/motd (revision a25896ca1270e25b657ceaa8d47d5699515f5c25)
1#!/bin/sh
2#
3# $FreeBSD$
4#
5
6# PROVIDE: motd
7# REQUIRE: mountcritremote
8# BEFORE:  LOGIN
9
10. /etc/rc.subr
11
12name="motd"
13desc="Update /etc/motd"
14rcvar="update_motd"
15start_cmd="motd_start"
16stop_cmd=":"
17
18PERMS="644"
19
20motd_start()
21{
22	#	Update kernel info in /etc/motd
23	#	Must be done *before* interactive logins are possible
24	#	to prevent possible race conditions.
25	#
26	check_startmsgs && echo -n 'Updating motd:'
27	if [ ! -f /etc/motd ]; then
28		install -c -o root -g wheel -m ${PERMS} /dev/null /etc/motd
29	fi
30
31	if [ ! -w /etc/motd ]; then
32		echo ' /etc/motd is not writable, update failed.'
33		return
34	fi
35
36	T=`mktemp -t motd`
37	uname -v | sed -e 's,^\([^#]*\) #\(.* [1-2][0-9][0-9][0-9]\).*/\([^\]*\) $,\1 (\3) #\2,' > ${T}
38	awk '{if (NR == 1) {if ($1 == "FreeBSD") {next} else {print "\n"$0}} else {print}}' < /etc/motd >> ${T}
39
40	cmp -s $T /etc/motd || {
41		cp $T /etc/motd
42		chmod ${PERMS} /etc/motd
43	}
44	rm -f $T
45
46	check_startmsgs && echo '.'
47}
48
49load_rc_config $name
50run_rc_command "$1"
51