wok-6.x annotate busybox/stuff/init @ rev 8147

busybox/init: may create /init.log
author Pascal Bellard <pascal.bellard@slitaz.org>
date Tue Jan 25 11:28:24 2011 +0100 (2011-01-25)
parents 874e4034d260
children cac91cb91a2c
rev   line source
pascal@1703 1 #!/bin/sh
pascal@1703 2
pascal@4545 3 launch_init()
pascal@4545 4 {
pascal@7844 5 umount /proc
pascal@4545 6 echo -e "\\033[70G[ \\033[1;33mOK\\033[0;39m ]"
pascal@7850 7 exec /sbin/switch_root mnt /sbin/init
pascal@4545 8 }
pascal@4545 9
pascal@5978 10 failed()
pascal@5978 11 {
pascal@7844 12 umount /proc
pascal@5978 13 echo -e "\\033[70G[ \\033[1;31mFailed\\033[0;39m ]"
pascal@8147 14 conspy -d 1 > /init.log
pascal@5978 15 }
pascal@5978 16
pascal@4545 17 try_init()
pascal@4545 18 {
pascal@7850 19 if [ ! -d /mnt/etc ] && grep -q cryptoroot= /proc/cmdline; then
pascal@4545 20 modprobe dm-mod
pascal@4545 21 modprobe dm-crypt
pascal@4545 22 modprobe aes-i586
pascal@4545 23 root="$(sed 's/.*cryptoroot=\([^ ]*\).*/\1/' < /proc/cmdline)"
pascal@4545 24 dev=${root#/dev/}
pascal@4545 25 dmlabel=crypto-$dev
pascal@4545 26 if cryptsetup isLuks $root 2> /dev/null; then
pascal@4545 27 cryptsetup luksOpen $root $dmlabel
pascal@4545 28 else
pascal@4545 29 read -s -t 60 -p "Pass phrase : " passphrase
pascal@4545 30 key=$(echo $passphrase | hashalot -x -n 32 sha512)
pascal@4545 31 blocks=$(cat $(find /sys/block | grep /$dev/size))
pascal@4545 32 echo 0 $blocks crypt aes-plain $key 0 $root 0 | \
pascal@4545 33 dmsetup create $dmlabel
pascal@4545 34 fi
pascal@4545 35 mount /dev/mapper/$dmlabel /mnt
pascal@4545 36 fi
pascal@7850 37 if [ -d /mnt/etc ]; then
pascal@4545 38 umount /sys
pascal@4545 39 [ -n "$1" ] && for i in $@ ; do
pascal@7850 40 cp -a $i /mnt$(dirname $i)
pascal@4545 41 done
pascal@7844 42 mount /mnt -o remount,ro
pascal@4545 43 launch_init
pascal@4545 44 fi
pascal@5978 45 failed
pascal@4545 46 }
pascal@4545 47
pascal@4469 48 mount_mapper()
pascal@4469 49 {
pascal@4469 50 mount $root /mnt
pascal@4545 51 try_init /dev/mapper $@
pascal@4469 52 }
pascal@4469 53
pascal@5978 54 lvmsetup()
pascal@5978 55 {
pascal@8066 56 grep -q lvmroot= /proc/cmdline || return 1
pascal@5978 57 modprobe dm-mod
pascal@5978 58 vgscan --ignorelockingfailure
pascal@5978 59 vgchange -ay --ignorelockingfailure
pascal@5978 60 root="/dev/mapper/$(sed 's/.*lvmroot=\([^ ]*\).*/\1/' < /proc/cmdline)"
pascal@5978 61 return 0
pascal@5978 62 }
pascal@5978 63
pascal@5978 64 load_raid()
pascal@5978 65 {
pascal@5978 66 while read line; do
pascal@5978 67 case "$line" in
pascal@5983 68 *raid10*) modprobe raid10 ;;
pascal@5983 69 *raid0*) modprobe raid0 ;;
pascal@5983 70 *raid1*) modprobe raid1 ;;
pascal@5978 71 *raid[456]*) modprobe raid456 ;;
pascal@5978 72 esac
pascal@5978 73 done
pascal@5978 74 }
pascal@5978 75
pascal@4469 76 mount -t proc proc /proc
pascal@4469 77 mount -t sysfs sysfs /sys
pascal@4469 78 if grep -q dmraid= /proc/cmdline; then
pascal@4469 79 root="$(sed 's/.*dmraid=\([^ ]*\).*/\1/' < /proc/cmdline)"
pascal@4469 80 echo -n "Switching / to dmraid $root..."
pascal@5978 81 dmraid -s | grep ^type | awk '{ print $3 }' | load_raid
pascal@4469 82 case "$root" in
pascal@4469 83 /dev/*);;
pascal@5978 84 *) root=/dev/mapper/$(dmraid -s|grep ^name|awk '{print $3}')p${root#p};;
pascal@4469 85 esac
pascal@4469 86 dmraid -ay
pascal@5978 87 lvmsetup
pascal@4469 88 mount_mapper
pascal@4545 89 fi
pascal@4545 90 if grep -q softraid= /proc/cmdline; then
pascal@4469 91 root="$(sed 's/.*softraid=\([^ ]*\).*/\1/' < /proc/cmdline)"
pascal@4469 92 echo -n "Switching / to softraid $root..."
pascal@4469 93 mdadm --examine --scan --config=partitions > /etc/mdadm.conf
pascal@6674 94 grep -qs " $root " /etc/mdadm.conf ||
pascal@6674 95 root=$(awk '/dev.md/ { print $2; exit }' < /etc/mdadm.conf)
pascal@5978 96 grep level=raid /etc/mdadm.conf | load_raid
pascal@4469 97 mdadm --assemble --scan
pascal@5978 98 lvmsetup
pascal@4469 99 mount_mapper /etc/mdadm.conf
pascal@4469 100 fi
pascal@5978 101 if lvmsetup; then
pascal@5978 102 echo -n "Switching / to lvm $root..."
pascal@5978 103 mount_mapper
pascal@5978 104 fi
pascal@7844 105 if grep -q mount= /proc/cmdline; then
pascal@7844 106 root="$(sed 's/.*mount=\([^ ]*\).*/\1/' < /proc/cmdline)"
pascal@7844 107 dev=$(blkid | grep $root | sed 's/:.*//;q')
pascal@7844 108 echo -n "Mounting $dev ($root) ..."
pascal@4545 109 if ! mount $dev /mnt; then
pascal@4545 110 if echo $dev | grep -q "/dev/sd"; then
pascal@4545 111 delay=`cat /sys/module/usb_storage/parameters/delay_use`
pascal@4545 112 delay=$((1+$delay))
pascal@4545 113 echo -n "sleep for $delay seconds..."
pascal@4545 114 sleep $delay
pascal@4545 115 fi
pascal@7844 116 mount $dev /mnt
pascal@4545 117 fi
pascal@7844 118 fi
pascal@7844 119 if grep -q loopfs= /proc/cmdline; then
pascal@7844 120 loopfs="$(sed 's/.*loopfs=\([^ ]*\).*/\1/' < /proc/cmdline)"
pascal@7844 121 echo -n "Switching / to loop $loopfs..."
pascal@7844 122 losetup /dev/loop0 /mnt/$loopfs
pascal@7844 123 mount /dev/loop0 /mnt 2> /dev/null
pascal@4545 124 fi
pascal@4545 125 grep -q cryptoroot= /proc/cmdline && try_init
pascal@7845 126 umount /sys
pascal@7850 127 if grep -q subroot= /proc/cmdline; then
pascal@7845 128 subroot="/$(sed 's/.*subroot=\([^ ]*\).*/\1/' < /proc/cmdline)" &&
pascal@7850 129 if [ -s /usr/share/boot/busybox-static ]; then
pascal@7850 130 mv /usr/share/boot/busybox-static .
pascal@7850 131 /busybox-static rm -rf /etc /lib /*bin /usr /var
pascal@7850 132 exec /busybox-static chroot /mnt$subroot /sbin/init
pascal@7850 133 else
pascal@7850 134 exec chroot /mnt$subroot /sbin/init
pascal@7850 135 fi
pascal@7850 136 fi
pascal@2397 137 echo -n "Switching / to tmpfs..."
pascal@1704 138 size="$(grep rootfssize= < /proc/cmdline | \
pascal@1704 139 sed 's/.*rootfssize=\([0-9]*[kmg%]\).*/-o size=\1/')"
pascal@1772 140 free=$(busybox free | busybox awk '/Mem:/ { print int(($4*100)/$3) }')
slaxemulator@8013 141 umount /proc
pascal@1775 142 [ -n "$size" ] || size="-o size=90%"
pascal@1772 143 if [ $free -lt 100 ] || ! mount -t tmpfs $size tmpfs /mnt; then
pascal@1772 144 echo -e "\\033[70G[ \\033[1;33mSkipped\\033[0;39m]"
pascal@7844 145 umount /proc
pascal@1772 146 exec /sbin/init
pascal@1772 147 fi
pascal@1704 148 for i in $(ls -a /); do
pascal@1704 149 case "$i" in
pascal@1705 150 .|..) ;;
pascal@1704 151 mnt) mkdir /mnt/mnt;;
pascal@1704 152 *) if ! cp -a /$i /mnt 2> /dev/null; then
pascal@5978 153 failed
pascal@1704 154 umount /mnt
pascal@1704 155 exec /sbin/init
pascal@1704 156 fi;;
pascal@1704 157 esac
pascal@1704 158 done
pascal@4545 159 launch_init