dot.profile revision 1.24 
1#	$OpenBSD: dot.profile,v 1.24 2014/02/21 16:30:14 deraadt Exp $
2#	$NetBSD: dot.profile,v 1.1 1995/12/18 22:54:43 pk Exp $
3#
4# Copyright (c) 2009 Kenneth R. Westerback
5# Copyright (c) 1995 Jason R. Thorpe
6# Copyright (c) 1994 Christopher G. Demetriou
7# All rights reserved.
8#
9# Redistribution and use in source and binary forms, with or without
10# modification, are permitted provided that the following conditions
11# are met:
12# 1. Redistributions of source code must retain the above copyright
13#    notice, this list of conditions and the following disclaimer.
14# 2. Redistributions in binary form must reproduce the above copyright
15#    notice, this list of conditions and the following disclaimer in the
16#    documentation and/or other materials provided with the distribution.
17# 3. All advertising materials mentioning features or use of this software
18#    must display the following acknowledgement:
19#	This product includes software developed by Christopher G. Demetriou.
20# 4. The name of the author may not be used to endorse or promote products
21#    derived from this software without specific prior written permission
22#
23# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
24# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
25# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
26# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
27# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
28# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
29# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
30# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
31# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
32# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33#
34
35export VNAME=$(sysctl -n kern.osrelease)
36export VERSION="${VNAME%.*}${VNAME#*.}"
37export ARCH=$(sysctl -n hw.machine)
38export OBSD="OpenBSD/$ARCH $VNAME"
39
40export PATH=/sbin:/bin:/usr/bin:/usr/sbin:/
41umask 022
42# emacs-style command line editing
43set -o emacs
44
45# Extract rootdisk from last 'root on ...' line. e.g.
46# 	root on wd0a swap on wd0b dump on wd0b
47set -- $(dmesg | sed -n '/^root on /h;${g;p;}')
48rootdisk=$3
49
50if [ "X${DONEPROFILE}" = "X" ]; then
51	DONEPROFILE=YES
52
53	mount -u /dev/${rootdisk:-rd0a} /
54
55	# Create a fake rc that just returns 1 and throws us back
56	echo ! : > /etc/rc
57
58	# set up some sane defaults
59	echo 'erase ^?, werase ^W, kill ^U, intr ^C, status ^T'
60	stty newcrt werase ^W intr ^C kill ^U erase ^? status ^T
61
62	# Installing or upgrading?
63	cat <<__EOT
64
65Welcome to the $OBSD installation program.
66__EOT
67
68	# Did we netboot?  If so, then start the automatic installation
69	# after a timeout, but only the very first time around.
70	timeout=false
71	timer_pid=
72	if [ ! -f /tmp/noai ] && ifconfig netboot >/dev/null 2>&1; then
73		echo "Starting non-interactive mode in 5 seconds..."
74		>/tmp/noai
75
76		trap 'kill $timeout_pid 2>/dev/null' EXIT
77		trap 'exit 1' INT
78		trap 'timeout=true' TERM
79
80		# Stop monitoring background processes to avoid printing
81		# job completion notices in interactive shell mode.  This
82		# doesn't stop the "[1] <pid>" on starting a job though;
83		# that's why re redirect stdout and stderr temporarily.
84		set +m
85		exec 3<&1 4<&2 >/dev/null 2>&1
86		(sleep 5; kill $$) &
87		timer_pid=$!
88		exec 1<&3 2<&4 3<&- 4<&-
89		set +m
90	fi
91
92	while :; do
93		echo -n '(I)nstall, (U)pgrade, (A)utoinstall or (S)hell? '
94		read REPLY
95
96		# If the timeout has expired, begin the installation.
97		if $timeout; then
98			timeout=false
99			echo
100			REPLY=a
101		else
102			# User has made a choice; stop the read timeout.
103			[ -n "$timer_pid" ] && kill $timer_pid 2>/dev/null
104			timer_pid=
105		fi
106
107		case $REPLY in
108		a*|A*)	/install -a && break
109			;;
110		i*|I*)	/install && break
111			;;
112		u*|U*)	/upgrade && break
113			;;
114		s*|S*)	break
115			;;
116		!)	echo "Type 'exit' to return to install."
117			ksh
118			;;
119		!*)	eval "${REPLY#?}"
120			;;
121		esac
122	done
123fi
124