dot.profile revision 1.40 
1#	$OpenBSD: dot.profile,v 1.40 2017/10/13 17:23:01 rpe 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 $VNAME"
39export PATH=/sbin:/bin:/usr/bin:/usr/sbin:/
40
41umask 022
42
43# emacs-style command line editing.
44set -o emacs
45
46# Extract rootdisk from last 'root on ...' dmesg line.
47rootdisk=$(dmesg | sed -E '/^root on ([^ ]+) .*$/h;$!d;g;s//\1/')
48
49if [[ -z $DONEPROFILE ]]; then
50	DONEPROFILE=YES
51
52	mount -u /dev/${rootdisk:-rd0a} /
53
54	# Create a fake rc that just returns 1 and throws us back.
55	echo ! : >/etc/rc
56
57	# Start IPv6 stateless address autoconfiguration daemon.
58	[[ -x /sbin/slaacd ]] && /sbin/slaacd
59
60	# Set up some sane tty defaults.
61	echo 'erase ^?, werase ^W, kill ^U, intr ^C, status ^T'
62	stty newcrt werase ^W intr ^C kill ^U erase ^? status ^T
63
64	cat <<__EOT
65
66Welcome to the $OBSD installation program.
67__EOT
68
69	# Create working directories with proper permissions in /tmp.
70	mkdir -m u=rwx,go=rx -p /tmp/{ai,i}
71
72	# Set timer to automatically start unattended installation or upgrade
73	# if netbooted or if a response file is found in / after a timeout,
74	# but only the very first time around.
75	timeout=false
76	timer_pid=
77	if [[ ! -f /tmp/ai/noai ]] && { ifconfig netboot >/dev/null 2>&1 ||
78		[[ -f /auto_install.conf ]] ||
79		[[ -f /auto_upgrade.conf ]]; }; then
80
81		echo "Starting non-interactive mode in 5 seconds..."
82		>/tmp/ai/noai
83
84		trap 'kill $timeout_pid 2>/dev/null' EXIT
85		trap 'exit 1' INT
86		trap 'timeout=true' TERM
87
88		# Stop monitoring background processes to avoid printing job
89		# completion notices in interactive shell mode. This doesn't
90		# stop the "[1] <pid>" on starting a job though; that's why
91		# stdout and stderr is redirected temporarily.
92		set +m
93		exec 3<&1 4<&2 >/dev/null 2>&1
94		(sleep 5; kill $$) &
95		timer_pid=$!
96		exec 1<&3 2<&4 3<&- 4<&-
97		set +m
98	fi
99
100	while :; do
101		read REPLY?'(I)nstall, (U)pgrade, (A)utoinstall or (S)hell? '
102
103		# Begin the automatic installation if the timeout has expired.
104		if $timeout; then
105			timeout=false
106			echo
107			REPLY=a
108		else
109			# User has made a choice; stop the read timeout.
110			[[ -n $timer_pid ]] && kill $timer_pid 2>/dev/null
111			timer_pid=
112		fi
113
114		case $REPLY in
115		[aA]*)	/autoinstall && break;;
116		[iI]*)	/install && break;;
117		[uU]*)	/upgrade && break;;
118		[sS]*)	break;;
119		esac
120	done
121fi
122