dot.profile revision 1.39 
1#	$OpenBSD: dot.profile,v 1.39 2017/10/13 17:13:40 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 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	# Start the automatic installation if netbooted or if a response file
73	# is found in / after a timeout, but only the very first time around.
74	timeout=false
75	timer_pid=
76	if [[ ! -f /tmp/ai/noai ]] && { ifconfig netboot >/dev/null 2>&1 ||
77		[[ -f /auto_install.conf ]] ||
78		[[ -f /auto_upgrade.conf ]]; }; then
79
80		echo "Starting non-interactive mode in 5 seconds..."
81		>/tmp/ai/noai
82
83		trap 'kill $timeout_pid 2>/dev/null' EXIT
84		trap 'exit 1' INT
85		trap 'timeout=true' TERM
86
87		# Stop monitoring background processes to avoid printing
88		# job completion notices in interactive shell mode.  This
89		# doesn't stop the "[1] <pid>" on starting a job though;
90		# that's why re redirect stdout and stderr temporarily.
91		set +m
92		exec 3<&1 4<&2 >/dev/null 2>&1
93		(sleep 5; kill $$) &
94		timer_pid=$!
95		exec 1<&3 2<&4 3<&- 4<&-
96		set +m
97	fi
98
99	while :; do
100		read REPLY?'(I)nstall, (U)pgrade, (A)utoinstall or (S)hell? '
101
102		# Begin the automatic installation if the timeout has expired.
103		if $timeout; then
104			timeout=false
105			echo
106			REPLY=a
107		else
108			# User has made a choice; stop the read timeout.
109			[[ -n $timer_pid ]] && kill $timer_pid 2>/dev/null
110			timer_pid=
111		fi
112
113		case $REPLY in
114		[aA]*)	/autoinstall && break;;
115		[iI]*)	/install && break;;
116		[uU]*)	/upgrade && break;;
117		[sS]*)	break;;
118		esac
119	done
120fi
121