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bpfire/tools/mkflash/mkflash

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#!/bin/bash
#
# This file is part of the IPCop Firewall.
#
# IPCop is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# IPCop is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with IPCop; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# Originally by Guy Ellis and Steve Bauer
# Copyright 2001 Traverse Technologies Australia - http://www.traverse.com.au/
#
# Copyright (C) 2002-04-08 Mark Wormgoor <mark@wormgoor.com>
# - Modified to use loopback filesystem
# - Modified to easily change partition sizes
# Copyright (C) 2003-04-04 Nick Shore <nick.shore@multithread.co.uk>
# - Added disksize calculations
# Copyright (C) 2003-04-09 Simon Turner <simont@angledata.co.uk>
# - Modified to easily change partition sizes and fix
# some bugs.
# Copyright (C) 2004-01-29 Mark Wormgoor <mark@wormgoor.com>
# - Modified for IPCop 1.4 (grub, etc)
# Copyright (C) 2004-08-17 Dale Haag <dhaag@net-defender.net>
# - Fixed grub stage2 problem for CF disks
# - Added command line option to select target CF drive
# - Modified for creating 256mb, 512mb and 1gb CF disks
# - Modified routines for building sym links
# - Added ability to define kernel loading parameters needed for large CF disks
# - Added ability to define grub install parameters needed for large CF disks
# - Flash file is created as /tmp/[size]flash.img to allow storing multiple development images
# Copyright (C) 2004-08-30 Dale Haag <dhaag@net-defender.net>
# - Fixed issue with ramdisk sym link not properly being created for rc.flash.up
# - Added ability to configure ethernet settings for a LEX with 3 RTL8139 during flash build
# Copyright (C) 2005-08-13 Gilles Espinasse <g.esp.ipcop@free.fr>
# - Use a bigger /boot partition to allow easier kernel upgrade and support smp kernel
# - Define zlog_MB at 30MB for 512 and 1gb like with 256 flash
# Features
# - ext3 file system
# - auto grub install to CF
# - compressed logs on flash + log to ramdisk
#
# Some SiS chipset don't like ide=nodma parameter (bug SF 1098510), remove in case of problem
VERSION="0.4.3"
SIZE="$1"
CF="$2"
# See what we're supposed to do
# 32 & 64 are too small now for this current script and IPCop 1.4.0
case "$SIZE" in
#32)
# echo "`date '+%b %e %T'`: Creating 32MB Compact Flash"
# flash_MB=30
# ramdisk_MB=64
# boot_MB=3
# zlog_MB=4
# root_MB=$(( $flash_MB - $boot_MB - $zlog_MB ))
# heads=8
# sectors=32
# ;;
#64)
# echo "`date '+%b %e %T'`: Creating 64MB Compact Flash"
# flash_MB=61
# ramdisk_MB=64
# boot_MB=3
# zlog_MB=4
# root_MB=$(( $flash_MB - $boot_MB - $zlog_MB ))
# heads=8
# sectors=32
# ;;
128)
echo "`date '+%b %e %T'`: Creating 128MB Compact Flash"
flash_MB=122
ramdisk_MB=64
boot_MB=8
zlog_MB=10
root_MB=$(( $flash_MB - $boot_MB - $zlog_MB ))
heads=8
sectors=32
;;
256)
echo "`date '+%b %e %T'`: Creating 256MB Compact Flash"
flash_MB=222
ramdisk_MB=64
boot_MB=8
zlog_MB=30
root_MB=$(( $flash_MB - $boot_MB - $zlog_MB ))
heads=16
sectors=32
#kernel_PARMS="idebus=100 ide=nodma ide0=0x177-0x177,0x376" #specific to LEX with CF on secondary master
#kernel_PARMS="" # Sis chipset workaround, don't use nodma
kernel_PARMS="ide=nodma" # Generic
grub_PARMS="--force-lba"
;;
512)
echo "`date '+%b %e %T'`: Creating 512MB Compact Flash"
flash_MB=485
ramdisk_MB=64
boot_MB=8
zlog_MB=30
root_MB=$(( $flash_MB - $boot_MB - $zlog_MB ))
heads=16
sectors=32
#kernel_PARMS="idebus=100 ide=nodma ide0=0x177-0x177,0x376" #specific to LEX with CF on secondary master
#kernel_PARMS="" # Sis chipset workaround, don't use nodma
kernel_PARMS="ide=nodma" # Generic
grub_PARMS="--force-lba"
;;
1gb)
echo "`date '+%b %e %T'`: Creating 1 Gigabyte Compact Flash"
flash_MB=978
ramdisk_MB=64
boot_MB=8
zlog_MB=30
root_MB=$(( $flash_MB - $boot_MB - $zlog_MB ))
heads=16
sectors=32
#kernel_PARMS="idebus=100 ide=nodma ide0=0x177-0x177,0x376" #specific to LEX with CF on secondary master
#kernel_PARMS="" # Sis chipset workaround, don't use nodma
kernel_PARMS="ide=nodma" Generic
grub_PARMS="--force-lba"
;;
*)
# echo "Usage: $0 {32|64|128|256|512|1gb} {hda|hdb|hdc|hdd}"
echo "Usage: $0 {128|256|512|1gb} {hda|hdb|hdc|hdd}"
exit 1
;;
esac
case "$CF" in
hda)
echo "`date '+%b %e %T'`: Creating hda Compact Flash"
drive_ID=hda4
;;
hdb)
echo "`date '+%b %e %T'`: Creating hdb Compact Flash"
drive_ID=hdb4
;;
hdc)
echo "`date '+%b %e %T'`: Creating hdc Compact Flash"
drive_ID=hdc4
;;
hdd)
echo "`date '+%b %e %T'`: Creating hdd Compact Flash"
drive_ID=hdd4
;;
*)
echo "Usage: $0 {32|64|128|256|512|1gb} {hda|hdb|hdc|hdd}"
exit 1
;;
esac
# Calculate all the required derived variables...
bs=512 # do not change!
flash_blocks=$(( $flash_MB * 1024 * 1024 / $bs ))
boot_blocks=$(( $boot_MB * 1024 * 1024 / $bs - 1 ))
zlog_blocks=$(( $zlog_MB * 1024 * 1024 / $bs ))
root_blocks=$(( $root_MB * 1024 * 1024 / $bs ))
boot_block_offset=1
zlog_block_offset=$(( $boot_block_offset + $boot_blocks ))
root_block_offset=$(( $zlog_block_offset + $zlog_blocks ))
boot_byte_offset=$(( $boot_block_offset * $bs ))
zlog_byte_offset=$(( $zlog_block_offset * $bs ))
root_byte_offset=$(( $root_block_offset * $bs ))
cylinders=$(( $flash_blocks / $heads / $sectors ))
# RAM Disk
ramdisk_KB=$(( $ramdisk_MB * 1024 ))
############################################################################
# #
# Loading loopback kernel module #
# #
############################################################################
echo "`date '+%b %e %T'`: Loading loopback kernel module"
modprobe loop
############################################################################
# #
# Creating empty flash image in /tmp/cf-image #
# #
############################################################################
echo "`date '+%b %e %T'`: Creating empty flash image in /tmp"
dd if=/dev/zero of=/tmp/flash.img bs=$bs count=$flash_blocks >/dev/null
dd if=/dev/zero of=/var/log/part1.img bs=$bs count=$boot_blocks >/dev/null
dd if=/dev/zero of=/var/log/part2.img bs=$bs count=$zlog_blocks >/dev/null
dd if=/dev/zero of=/var/log/part3.img bs=$bs count=$root_blocks >/dev/null
############################################################################
# #
# Making filesystems #
# #
############################################################################
echo "`date '+%b %e %T'`: Making filesystems"
mke2fs -F -j -m 0 -b 1024 /var/log/part1.img >/dev/null
mke2fs -F -j -m 0 -b 1024 /var/log/part2.img >/dev/null
mke2fs -F -j -m 0 -b 1024 /var/log/part3.img >/dev/null
############################################################################
# #
# Creating and partitioning Compact Flash image #
# #
############################################################################
echo "`date '+%b %e %T'`: Creating and partitioning Compact Flash image"
sfdisk -H $heads -S $sectors -C $cylinders -uM /tmp/flash.img <<EOF >/dev/null 2>&1
# Start Size Type Bootable
,$boot_MB,,* # /boot
,$zlog_MB,, # /var/log_compressed
,0,, # Unused
,$root_MB,, # /
EOF
dd if=/var/log/part1.img of=/tmp/flash.img seek=$boot_block_offset bs=$bs
dd if=/var/log/part2.img of=/tmp/flash.img seek=$zlog_block_offset bs=$bs
dd if=/var/log/part3.img of=/tmp/flash.img seek=$root_block_offset bs=$bs
rm -f /var/log/part?.img
############################################################################
# #
# Mounting loopback flash image under /mnt #
# #
############################################################################
echo "`date '+%b %e %T'`: Mounting loopback flash image under /mnt"
rm -rf /mnt/flash
mkdir -p /mnt/flash
mount -o loop,offset=$root_byte_offset /tmp/flash.img /mnt/flash
mkdir -p /mnt/flash/boot
mount -o loop,offset=$boot_byte_offset /tmp/flash.img /mnt/flash/boot
mkdir -p /mnt/flash/var/log_compressed
mount -o loop,offset=$zlog_byte_offset /tmp/flash.img /mnt/flash/var/log_compressed
############################################################################
# #
# Creating flash image directory structure #
# #
############################################################################
echo "`date '+%b %e %T'`: Creating flash image directory structure"
mkdir -p /mnt/flash/{ram/,proc/,mnt/}
############################################################################
# #
# Copying files into flash image #
# #
############################################################################
echo "`date '+%b %e %T'`: Copying files into flash image"
# /boot
cp -a /boot /mnt/flash/
# /var
mkdir -p /mnt/flash/var/{log,log_compressed,spool,www/icons}
cp -a /var/ipcop /var/lib /var/state /var/lock /var/log /mnt/flash/var
#######################################################################################
# Configure flash image ethernet settings #
# this allows you to stage on one system and build flash for LEX with 3 RTL8139 NIC's #
# if a settings file named settings.8139 is placed in your /root directory it will be #
# used to configure the flash image with the correct ethernet settings for the LEX #
# a default settings.8139 file is provided for your use #
#######################################################################################
if [ -f /root/settings.8139 ]
then
/bin/echo ""
/bin/echo "Configuring Flash With LEX RTL8139 Ethernet Settings"
/bin/echo ""
/bin/echo ""
cat /root/settings.8139 > /mnt/flash/var/ipcop/ethernet/settings
else
/bin/echo ""
/bin/echo "Flash Is Using Build System Ethernet Settings"
/bin/echo ""
/bin/echo ""
fi
rm -rf /mnt/flash/var/log/lost+found
cp -a /var/run /var/empty /mnt/flash/var
cp -a /var/spool/cron /mnt/flash/var/spool
ln -s /tmp /mnt/flash/var/patches
ln -sf /ram/squid /var/log/cache
rm -f /mnt/flash/var/lib/logrotate.status
rm -f /mnt/flash/var/state/dhcp/*
touch /mnt/flash/var/state/dhcp/dhcpd.leases
find /mnt/flash/var/run \( -type f -o -type s \) -exec rm -f {} \;
touch /mnt/flash/var/run/utmp
chmod 644 /mnt/flash/var/run/utmp
chown root:utmp /mnt/flash/var/run/utmp
touch /mnt/flash/var/log/wtmp
chmod 664 /mnt/flash/var/log/wtmp
chown root:utmp /mnt/flash/var/log/wtmp
# /var/log
rm -rf /mnt/flash/var/log/snort/*
find /mnt/flash/var/log -type f -exec rm -f {} \;
tar -C /mnt/flash -czf /mnt/flash/var/log_compressed/log.tgz var/log/
rm -rf /mnt/flash/var/log/
ln -sf /ram/log /mnt/flash/var/log
# Other files
cp -a /sbin /mnt/flash/
cp -a /bin /mnt/flash/
cp -a /lib /mnt/flash/
cp -a /dev /mnt/flash/
# create the symlinks
echo "`date '+%b %e %T'`: Creating $CF Sym Link"
ln -sf /dev/"$CF" /mnt/flash/dev/harddisk
echo "`date '+%b %e %T'`: Creating "$CF'1'" Sym Link"
ln -sf /dev/$CF'1' /mnt/flash/dev/harddisk1
echo "`date '+%b %e %T'`: Creating "$CF'2'" Sym Link"
ln -sf /dev/$CF'2' /mnt/flash/dev/harddisk2
echo "`date '+%b %e %T'`: Creating "$CF'3'" Sym Link"
ln -sf /dev/$CF'3' /mnt/flash/dev/harddisk3
echo "`date '+%b %e %T'`: Creating "$CF'4'" Sym Link"
ln -sf /dev/$CF'4' /mnt/flash/dev/harddisk4
cp -a /root /mnt/flash/
rm -f /mnt/flash/root/.bash_history
cp -a /etc /mnt/flash/
rm -rf /mnt/flash/etc/{httpd/conf/ssl*,makedev.d/}
rm -f /mnt/flash/etc/ssh/*key
rm -f /mnt/flash/etc/httpd/server.*
cp -a /home /mnt/flash/
rm -f /home/httpd/html/graphs/*
rm -f /home/httpd/html/sgraph/*
cp -a /usr /mnt/flash
rm -rf /mnt/flash/{tmp/,usr/tmp/,var/tmp/}
ln -sf /ram/tmp/ /mnt/flash/tmp
ln -sf /ram/tmp/ /mnt/flash/usr/tmp
ln -sf /ram/tmp/ /mnt/flash/var/tmp
ln -sf /dev/ram0 /mnt/flash/dev/ramdisk
############################################################################
# #
# Installing log backup cron job #
# #
############################################################################
echo "`date '+%b %e %T'`: Installing log backup cron job"
cat >> /mnt/flash/var/spool/cron/root.orig <<EOF
# Backup logs to flash
02 * * * * /etc/rc.d/rc.flash.down
EOF
chroot /mnt/flash /usr/bin/fcrontab -z >/dev/null 2>&1
############################################################################
# #
# Reconfiguring logrotate #
# #
############################################################################
echo "`date '+%b %e %T'`: Reconfiguring logrotate"
cp -pf logrotate.conf /mnt/flash/etc/
############################################################################
# #
# Installing new fstab #
# #
############################################################################
echo "`date '+%b %e %T'`: Installing new fstab"
cat /etc/fstab | sed -e 's/log\t/log_compressed/' > /mnt/flash/etc/fstab
df | grep /mnt/flash
############################################################################
# #
# Touching /etc/FLASH #
# #
############################################################################
echo "`date '+%b %e %T'`: Touching /etc/FLASH"
touch /mnt/flash/etc/FLASH
############################################################################
# #
# Create the Grub.conf file with our parameters #
# #
############################################################################
cat > /mnt/flash/boot/grub/grub.conf <<EOF
timeout 5
default saved
foreground = 16064e
background = ffffff
splashimage (hd0,0)/grub/ipcop.xpm.gz
title IPCop
root (hd0,0)
kernel /vmlinuz root=/dev/$drive_ID panic=10 acpi=off ro $kernel_PARMS ramdisk_size=$ramdisk_KB
savedefault
title IPCop SMP
root (hd0,0)
kernel /vmlinuz-smp root=/dev/$drive_ID panic=10 acpi=off ro $kernel_PARMS ramdisk_size=$ramdisk_KB
savedefault
title IPCop (ACPI enabled)
root (hd0,0)
kernel /vmlinuz root=/dev/$drive_ID panic=10 ro $kernel_PARMS ramdisk_size=$ramdisk_KB
savedefault
title IPCop SMP (ACPI HT enabled)
root (hd0,0)
kernel /vmlinuz-smp root=/dev/$drive_ID panic=10 acpi=ht ro $kernel_PARMS ramdisk_size=$ramdisk_KB
savedefault
EOF
############################################################################
# #
# Installing grub #
# #
############################################################################
echo "`date '+%b %e %T'`: Installing Grub"
/usr/sbin/grub --batch <<EOF >/dev/null 2>&1
device (hd0) /tmp/flash.img
geometry (hd0)
root (hd0,0)
makeactive
install $grub_PARMS (hd0,0)/grub/stage1 (hd0) (hd0,0)/grub/stage2 0x8000 p /grub/grub.conf
quit
EOF
############################################################################
# #
# Cleaning up #
# #
############################################################################
echo "`date '+%b %e %T'`: Cleaning up"
rm -f verinfo
umount /mnt/flash/var/log_compressed
umount /mnt/flash/boot
umount /mnt/flash
losetup -d /dev/loop0
losetup -d /dev/loop1
losetup -d /dev/loop2
mv /tmp/flash.img /tmp/$SIZE'flash.img'
echo "`date '+%b %e %T'`: Mkflash For $SIZE Flash Drive On $CF Complete"
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