#!/bin/sh
#
# $Id: cdroot_mount,v 1.2 2002/08/04 20:56:04 bsd Exp $
#
# Copyright 2001, 2002  Brian S. Dean <bsd@bsdhome.com>
# All Rights Reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY BRIAN S. DEAN ``AS IS'' AND ANY
# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL BRIAN S. DEAN BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
# OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
# BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
# USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
# DAMAGE.
# 
# Author : Brian Dean
# Date   : 14 April, 2001
#

# If there is a global system configuration file, suck it in.
#
if [ -r /etc/defaults/rc.conf ]; then
	. /etc/defaults/rc.conf
	source_rc_confs
elif [ -r /etc/rc.conf ]; then
	. /etc/rc.conf
fi

# figure out our IP address
ipaddr=""
set `ifconfig -a`
while [ "$#" -ge 1 ]; do
  if [ "$1" = "inet" -a "${ipaddr}" = "" ]; then
    ipaddr=$2;
    shift;
  fi
  shift;
done

# find our hostname from /etc/hosts
if [ -n "${ipaddr}" ]; then
  set `/bin/cat /etc/hosts`
  while [ "$#" -ge 1 ]; do
    if [ "${ipaddr}" = "$1" ]; then
      hostname=$2;
      echo $hostname
      shift;
    fi
    shift;
  done
fi

if [ -n "$hostname" ]; then
  /bin/hostname $hostname
else
  echo "Can't find hostname for IP $ipaddr in /etc/hosts"
  /bin/hostname 'cdroot'
fi

echo hostname = `/bin/hostname`

#
# Determine if we have a local disk to use as /var, /tmp and /local
#

if [ "$cdroot_uselocaldisk" = "YES" ]; then
  DISK=`dmesg | grep ^ad0:`
  if [ -n "$DISK" ]; then
    DISK=ad0
  else
    DISK=`dmesg | grep ^da0:`
    if [ -n "$DISK" ]; then
      DISK=da0
    fi
  fi
else
  DISK=""
fi

populate_var () {
  /usr/sbin/mtree -deU -f /etc/mtree/BSD.var.dist -p /var
  /usr/sbin/mtree -deU -f /etc/mtree/BSD.sendmail.dist -p /
  TOUCH=`/bin/cat /etc/newsyslog.conf | /usr/bin/grep -v '^#' | \
           /usr/bin/grep /var/log | /usr/bin/tr '\t' ' ' | \
           /usr/bin/cut -f1 -d' '`
  for i in $TOUCH; do
    if [ ! -f "$i" ]; then
      echo "Creating $i ..."
      echo -n "" >> $i
    fi
  done
}

if [ -z "$DISK" ]; then
  #
  # We are totally diskless, set up /var as an MFS
  #
  /sbin/mount_mfs -s $VAR_MFS -T qp120at dummy /var
  populate_var
else
  #
  # We have a disk, initialize it if needed and set up /var there.
  # Also, create a paritition for /tmp and /local and swap.
  #
  /etc/cdroot_initdisk ${DISK} var:a:128 swap:b:128 tmp:e:128 local:f:0

  /sbin/fsck -y /dev/${DISK}s1a
  /sbin/mount   /dev/${DISK}s1a /var

  populate_var

  /sbin/swapon  /dev/${DISK}s1b

  /sbin/fsck -y /dev/${DISK}s1e
  /sbin/umount  /tmp
  /sbin/mount   /dev/${DISK}s1e /tmp
  /bin/chmod    a+rwx,a-t /tmp

  /sbin/fsck -y /dev/${DISK}s1f
  /sbin/mount   /dev/${DISK}s1f /local

fi