dot.profile revision 1.46
1#	$OpenBSD: dot.profile,v 1.46 2021/07/21 03:53:50 kn 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
47if [[ -z $DONEPROFILE ]]; then
48	DONEPROFILE=YES
49
50	# Extract rootdisk from last 'root on ...' dmesg line.
51	rootdisk=$(dmesg | sed -E '/^root on ([^ ]+) .*$/h;$!d;g;s//\1/')
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	# Create working directories with proper permissions in /tmp.
58	mkdir -m u=rwx,go=rx -p /tmp/{ai,i}
59
60	# Start autoconfiguration daemons.
61	# Hide legit "already running" errors when reentering the installer.
62	[[ -x /sbin/resolvd ]] && /sbin/resolvd 2>/dev/null
63	[[ -x /sbin/dhcpleased ]] && /sbin/dhcpleased 2>/dev/null
64	[[ -x /sbin/slaacd ]] && /sbin/slaacd 2>/dev/null
65
66	# Set up some sane tty defaults.
67	echo 'erase ^?, werase ^W, kill ^U, intr ^C, status ^T'
68	stty newcrt werase ^W intr ^C kill ^U erase ^? status ^T
69
70	cat <<__EOT
71
72Welcome to the $OBSD installation program.
73__EOT
74	# try unattended install
75	/autoinstall -x
76
77	# Set timer to automatically start unattended installation or upgrade
78	# if netbooted or if a response file is found in / after a timeout,
79	# but only the very first time around.
80	timeout=false
81	timer_pid=
82	if [[ ! -f /tmp/ai/noai ]] && { ifconfig netboot >/dev/null 2>&1 ||
83		[[ -f /auto_install.conf ]] ||
84		[[ -f /auto_upgrade.conf ]]; }; then
85
86		echo "Starting non-interactive mode in 5 seconds..."
87		>/tmp/ai/noai
88
89		# Set trap handlers to remove timer if the shell is interrupted,
90		# killed or about to exit.
91		trap 'kill $timer_pid 2>/dev/null' EXIT
92		trap 'exit 1' INT
93		trap 'timeout=true' TERM
94
95		# Stop monitoring background processes to avoid printing job
96		# completion notices in interactive shell mode. This doesn't
97		# stop the "[1] <pid>" on starting a job though; that's why
98		# stdout and stderr is redirected temporarily.
99		set +m
100		exec 3<&1 4<&2 >/dev/null 2>&1
101		(sleep 5; kill $$) &
102		timer_pid=$!
103		exec 1<&3 2<&4 3<&- 4<&-
104		set +m
105	fi
106
107	while :; do
108		read REPLY?'(I)nstall, (U)pgrade, (A)utoinstall or (S)hell? '
109
110		# Begin the automatic installation if the timeout has expired.
111		if $timeout; then
112			timeout=false
113			echo
114			REPLY=a
115		else
116			# User has made a choice; stop the read timeout.
117			[[ -n $timer_pid ]] && kill $timer_pid 2>/dev/null
118			timer_pid=
119		fi
120
121		case $REPLY in
122		[aA]*)	/autoinstall && break;;
123		[iI]*)	/install && break;;
124		[uU]*)	/upgrade && break;;
125		[sS]*)	break;;
126		esac
127	done
128fi
129