dot.profile revision 1.23 
1#	$OpenBSD: dot.profile,v 1.23 2014/02/21 16:29:08 deraadt Exp $
2#
3# Copyright (c) 2009 Kenneth R. Westerback
4# Copyright (c) 1995 Jason R. Thorpe
5# Copyright (c) 1994 Christopher G. Demetriou
6# All rights reserved.
7#
8# Redistribution and use in source and binary forms, with or without
9# modification, are permitted provided that the following conditions
10# are met:
11# 1. Redistributions of source code must retain the above copyright
12#    notice, this list of conditions and the following disclaimer.
13# 2. Redistributions in binary form must reproduce the above copyright
14#    notice, this list of conditions and the following disclaimer in the
15#    documentation and/or other materials provided with the distribution.
16# 3. All advertising materials mentioning features or use of this software
17#    must display the following acknowledgement:
18#	This product includes software developed by Christopher G. Demetriou.
19# 4. The name of the author may not be used to endorse or promote products
20#    derived from this software without specific prior written permission
21#
22# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
26# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
27# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
31# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32#
33
34export VNAME=$(sysctl -n kern.osrelease)
35export VERSION="${VNAME%.*}${VNAME#*.}"
36export ARCH=$(sysctl -n hw.machine)
37export OBSD="OpenBSD/$ARCH $VNAME"
38
39export PATH=/sbin:/bin:/usr/bin:/usr/sbin:/
40umask 022
41# emacs-style command line editing
42set -o emacs
43
44# Extract rootdisk from last 'root on ...' line. e.g.
45# 	root on wd0a swap on wd0b dump on wd0b
46set -- $(dmesg | sed -n '/^root on /h;${g;p;}')
47rootdisk=$3
48
49if [ "X${DONEPROFILE}" = "X" ]; then
50	DONEPROFILE=YES
51
52	mount -u /dev/${rootdisk:-rd0a} /
53
54	# Create a fake rc that just returns 1 and throws us back
55	echo ! : >/etc/rc
56
57	# set up some sane defaults
58	echo 'erase ^?, werase ^W, kill ^U, intr ^C, status ^T'
59	stty newcrt werase ^W intr ^C kill ^U erase ^? status ^T
60
61	# Installing or upgrading?
62	cat <<__EOT
63
64Welcome to the $OBSD installation program.
65__EOT
66
67	# Did we netboot?  If so, then start the automatic installation
68	# after a timeout, but only the very first time around.
69	timeout=false
70	timer_pid=
71	if [ ! -f /tmp/noai ] && ifconfig netboot >/dev/null 2>&1; then
72		echo "Starting non-interactive mode in 5 seconds..."
73		>/tmp/noai
74
75		trap 'kill $timeout_pid 2>/dev/null' EXIT
76		trap 'exit 1' INT
77		trap 'timeout=true' TERM
78
79		# Stop monitoring background processes to avoid printing
80		# job completion notices in interactive shell mode.  This
81		# doesn't stop the "[1] <pid>" on starting a job though;
82		# that's why re redirect stdout and stderr temporarily.
83		set +m
84		exec 3<&1 4<&2 >/dev/null 2>&1
85		(sleep 5; kill $$) &
86		timer_pid=$!
87		exec 1<&3 2<&4 3<&- 4<&-
88		set +m
89	fi
90
91	while :; do
92		echo -n '(I)nstall, (U)pgrade, (A)utoinstall or (S)hell? '
93		read REPLY
94
95		# If the timeout has expired, begin the installation.
96		if $timeout; then
97			timeout=false
98			echo
99			REPLY=a
100		else
101			# User has made a choice; stop the read timeout.
102			[ -n "$timer_pid" ] && kill $timer_pid 2>/dev/null
103			timer_pid=
104		fi
105
106		case $REPLY in
107		a*|A*)	/install -a && break
108			;;
109		i*|I*)	/install && break
110			;;
111		u*|U*)	/upgrade && break
112			;;
113		s*|S*)	break
114			;;
115		!)	echo "Type 'exit' to return to install."
116			ksh
117			;;
118		!*)	eval "${REPLY#?}"
119			;;
120		esac
121	done
122fi
123