dot.profile revision 1.51
1# $OpenBSD: dot.profile,v 1.51 2023/02/20 01:55:41 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 35# Turn off Strict Bourne shell. 36set +o sh 37 38export VNAME=$(sysctl -n kern.osrelease) 39export VERSION="${VNAME%.*}${VNAME#*.}" 40export ARCH=$(sysctl -n hw.machine) 41export OBSD="OpenBSD/$ARCH $VNAME" 42export PATH=/sbin:/bin:/usr/bin:/usr/sbin:/ 43 44umask 022 45 46# emacs-style command line editing. 47set -o emacs 48 49TIMEOUT_PERIOD_SEC=5 50 51# Stop the background timer. 52stop_timeout() { 53 local _pid; 54 if [ -f /tmp/dotpid ]; then 55 _pid=$(cat /tmp/dotpid) 56 kill -KILL -$_pid 2>/dev/null 57 wait $_pid 2>/dev/null 58 rm /tmp/dotpid 59 fi 60} 61 62# Start a timeout process, in case install gets hung somehow 63start_timeout() { 64 set -m 65 ( 66 sleep $TIMEOUT_PERIOD_SEC && kill $$ 67 ) & 68 echo $! > /tmp/dotpid 69 set +m 70} 71 72if [[ -z $DONEPROFILE ]]; then 73 DONEPROFILE=YES 74 75 # Extract rootdisk from last 'root on ...' dmesg line. 76 rootdisk=$(dmesg | sed -E '/^root on ([^ ]+) .*$/h;$!d;g;s//\1/') 77 mount -u /dev/${rootdisk:-rd0a} / 78 79 # Create a fake rc that just returns 1 and throws us back. 80 echo ! : >/etc/rc 81 82 # Create working directories with proper permissions in /tmp. 83 mkdir -m u=rwx,go=rx -p /tmp/{ai,i} 84 85 # Start autoconfiguration daemons. 86 # Hide legit "already running" errors when reentering the installer. 87 [[ -x /sbin/resolvd ]] && /sbin/resolvd 2>/dev/null 88 [[ -x /sbin/dhcpleased ]] && /sbin/dhcpleased 2>/dev/null 89 [[ -x /sbin/slaacd ]] && /sbin/slaacd 2>/dev/null 90 91 # Set up some sane tty defaults. 92 echo 'erase ^?, werase ^W, kill ^U, intr ^C, status ^T' 93 stty newcrt werase ^W intr ^C kill ^U erase ^? status ^T 94 95 cat <<__EOT 96 97Welcome to the $OBSD installation program. 98__EOT 99 # try unattended install 100 /autoinstall -x 101 102 # Set timer to automatically start unattended installation or upgrade 103 # if netbooted or if a response file is found in / after a timeout, 104 # but only the very first time around. 105 timeout=false 106 if [[ ! -f /tmp/ai/noai ]] && { ifconfig netboot >/dev/null 2>&1 || 107 [[ -f /auto_install.conf ]] || 108 [[ -f /auto_upgrade.conf ]]; }; then 109 110 echo "Starting non-interactive mode in ${TIMEOUT_PERIOD_SEC} seconds..." 111 >/tmp/ai/noai 112 113 # Set trap handlers to remove timer if the shell is interrupted, 114 # killed or about to exit. 115 trap 'exit 1' INT 116 trap 'timeout=true' TERM 117 trap 'stop_timeout' EXIT 118 119 # Stop monitoring background processes to avoid printing job 120 # completion notices in interactive shell mode. 121 # Silence "[1] <pid>" on stderr when starting the timer. 122 set +m 123 start_timeout 2>/dev/null 124 fi 125 126 while :; do 127 read REPLY?'(I)nstall, (U)pgrade, (A)utoinstall or (S)hell? ' 128 129 # Begin the automatic installation if the timeout has expired. 130 if $timeout; then 131 timeout=false 132 echo 133 REPLY=a 134 else 135 # User has made a choice; stop the read timeout. 136 stop_timeout 137 fi 138 139 case $REPLY in 140 [aA]*) /autoinstall && break;; 141 [iI]*) /install && break;; 142 [uU]*) /upgrade && break;; 143 [sS]*) break;; 144 esac 145 done 146fi 147