slitaz-boot-scripts annotate init @ rev 475

modified ps to work with busybox as well as with procps
author Hans-G?nter Theisgen
date Tue Jun 06 15:43:18 2023 +0100 (12 months ago)
parents 0dfcc5bf7b5a
children
rev   line source
pascal@276 1 #!/bin/sh
pascal@276 2
paul@351 3 ### cached kernel parameters :
pascal@341 4 #
pascal@341 5 # modprobe=
pascal@341 6 # list of modules to load, example modprobe=r8169,btrfs
pascal@341 7 #
pascal@342 8 ### Frugal mode or live CD : using a root ram disk.
pascal@341 9 #
pascal@341 10 # tmpram= [RAMDISK]
pascal@341 11 # minimum % of free RAM to build the root tmpfs, default 100
pascal@341 12 # a lower value may work, such as 50
pascal@341 13 # rootfssize= [RAMDISK]
pascal@341 14 # size of / regarding the RAM size, default 90%
pascal@407 15 # rootfsinodes= [RAMDISK]
pascal@464 16 # files count of / regarding the RAM size
pascal@341 17 #
pascal@342 18 ### Indirect mode ; an initramfs is used to mount root from the hard disk.
pascal@342 19 ### Any rootfs should fit, minimum required is slitaz-base.
pascal@341 20 #
pascal@341 21 # mount= [MOUNT]
pascal@341 22 # device with root loop file or sub directory
pascal@474 23 # mntopts= [MOUNT]
pascal@474 24 # define non default mount options
pascal@341 25 # posixovl [MOUNT]
pascal@341 26 # use posix attributes on a non posix filesystem (VFAT, NTFS...)
pascal@341 27 # loopfs= [MOUNT]
pascal@341 28 # loop file for root filesystem
pascal@341 29 # subroot= [MOUNT]
pascal@341 30 # sub directory for root filesystem
paul@351 31 # bindfs= [MOUNT] (deprecated)
pascal@341 32 # bind out of root tree part
pascal@341 33 #
pascal@469 34 # extra= [MOUNT]
pascal@469 35 # extra initrd files list to load
pascal@469 36 #
pascal@342 37 ### Special disk mode ; needs extra modules/softwares from preinit flavor.
pascal@341 38 #
pascal@341 39 # dmraid= [RAID]
pascal@341 40 # root semi hardware raid device name in /dev/mapper
pascal@341 41 # softraid= [RAID]
pascal@341 42 # root software device name in /dev/mapper
pascal@341 43 # lvmroot= [LVM]
pascal@341 44 # root logical volume name in /dev/mapper
pascal@341 45 # cryptoroot= [CRYPTO]
pascal@341 46 # encrypted root device using luks or loop-aes
pascal@341 47 #
pascal@418 48 ### Special mode used by loram flavor with aufs/overlayfs & squashfs
pascal@342 49 ### incremental/nested rootfs (russian dolls).
pascal@341 50 #
pascal@341 51 # rodev= [LORAM][MERGE]
pascal@341 52 # device (+ optional path) for the read only aufs branch
pascal@341 53 # rwdev= [LORAM][MERGE]
paul@351 54 # (persistent) device for the r/w aufs branch instead of the ramfs
pascal@341 55 # isofs [LORAM]
pascal@341 56 # do not use squashfs filesystem images, but the cdrom filesystem only
pascal@341 57
al@416 58
al@416 59 fail() {
al@416 60 echo -e '\033[70G[ \033[1;3'${1:-1mFailed}'\033[0;39m ]'
pascal@278 61 }
pascal@278 62
al@416 63
al@416 64 quit() {
al@416 65 [ -d /mnt$4/etc ] || return
pascal@430 66 grep -q serial /proc/ioports && ! grep -q ttyS /mnt$4/etc/inittab &&
pascal@430 67 echo "ttyS0::respawn:/sbin/getty 115200,38400,9600,4800,2400 ttyS0" \
pascal@430 68 >> /mnt$4/etc/inittab
pascal@427 69 [ -n "$4" ] || grep -q 'tmpfs /mnt tmpfs' /proc/mounts ||
pascal@427 70 busybox mount /mnt -o remount,ro
al@416 71 busybox mount --move /run /mnt/${1:-run}
al@416 72 cat > /run/init <<EOT
pascal@314 73 $2
pascal@314 74 x=/sbin/switch_root
pascal@314 75 [ -x \$x ] && exec \$x mnt $3 /sbin/init
pascal@276 76 EOT
al@416 77 fail 2mDone
al@416 78 exit
pascal@276 79 }
pascal@276 80
al@416 81
al@416 82 arg() {
al@416 83 grep -q $1 /proc/cmdline
pascal@276 84 }
pascal@276 85
al@416 86
al@416 87 got() {
pascal@447 88 arg $1= && root="$(sed "s/.*$1=\\([^ ]*\\).*/\\1/" </proc/cmdline)"
pascal@276 89 }
pascal@276 90
al@416 91
al@416 92 msg() {
al@416 93 echo "Switching / to $1..."
pascal@276 94 }
pascal@276 95
al@416 96
al@416 97 use() {
al@416 98 got $1 && msg "$1 $root"
pascal@276 99 }
pascal@276 100
al@416 101
pascal@450 102 bbmnt() {
pascal@474 103 local o=$(grep -q mntopts= /proc/cmdline && sed 's/.*mntopts=\([^ ]*\).*/-o \1/' </proc/cmdline)
pascal@472 104 r=$(busybox blkid 2> /dev/null | grep "$root[:\"]" | sed 's|:.*||;q')
pascal@470 105 r=${r:-$(busybox blkid $root 2> /dev/null | sed 's|:.*||;q')}
al@416 106 r=${r:-$root}
al@416 107 if [ ! -b $r ]; then
al@416 108 r=${r#/dev/}
al@416 109 r=/dev/${r%%/*}
al@416 110 fi
al@416 111 d=${root#*$r}
pascal@474 112 t=$(busybox blkid $r 2> /dev/null | sed '/ TYPE=/!d;s/.* TYPE="/-t /;s/".*//')
pascal@474 113 busybox mount $o $r $1 $t
pascal@450 114 }
pascal@450 115
pascal@450 116
pascal@450 117 mnt() {
pascal@450 118 bbmnt $1 && return
al@416 119 w=$(cat /sys/module/usb_storage/parameters/delay_use)
al@416 120 w=$((1+${w:-2}))
pascal@450 121 echo "Sleep $w seconds..."
al@416 122 sleep $w
pascal@450 123 bbmnt $1
pascal@314 124 }
pascal@314 125
al@416 126
al@416 127 mod() {
al@416 128 for i in $@; do
pascal@465 129 grep -q "^$i\\W" /proc/modules && continue
pascal@465 130 grep -q "\\W$i\$" /proc/filesystems && continue
al@416 131 echo "Loading module: $i"
pascal@451 132 modprobe $i 2>/dev/null ||
pascal@464 133 for j in $(find /lib/modules /mnt/.fs*/lib/modules|sed "/\/$i.ko/!d" 2> /dev/null); do
pascal@451 134 busybox insmod $j && break
pascal@451 135 done
al@416 136 done
pascal@314 137 }
pascal@314 138
al@416 139
al@416 140 try() {
al@416 141 if [ ! -d /mnt/etc ] && got cryptoroot; then
al@416 142 mod dm-mod dm-crypt aes-256
al@416 143 d=${root#/dev/}
al@416 144 l=crypto-$d
al@416 145 if cryptsetup isLuks $root 2>/dev/null; then
al@416 146 cryptsetup luksOpen $root $l
al@416 147 else
al@416 148 read -st 60 -p "Pass phrase : " p
al@416 149 k=$(echo $p|hashalot -x -n 32 sha512)
al@416 150 echo 0 $(cat $(find /sys/block|grep /$d/size))\
al@416 151 crypt aes-plain $k 0 $root 0|dmsetup create $l
al@416 152 fi
al@416 153 busybox mount /dev/mapper/$l /mnt
pascal@314 154 fi
al@416 155 got subroot && return
al@416 156 got loopfs && return
al@416 157 if [ -d /mnt/etc ]; then
al@416 158 for i in $@; do
al@416 159 cp -a $i /mnt$(dirname $i)
al@416 160 done
al@416 161 quit
al@416 162 fi
al@416 163 fail
pascal@314 164 }
pascal@314 165
al@416 166
al@416 167 lvm() {
al@416 168 use lvmroot || return
al@416 169 mod dm-mod
al@416 170 vgscan --ignorelockingfailure
al@416 171 vgchange -ay --ignorelockingfailure
al@416 172 busybox mount /dev/mapper/$root /mnt
al@416 173 try /dev/mapper $1
pascal@314 174 }
pascal@314 175
al@416 176
al@416 177 ldraid() {
al@416 178 while read l; do
al@416 179 case "$l" in
al@416 180 *raid10*) mod raid10;;
al@416 181 *raid0*) mod raid0;;
al@416 182 *raid1*) mod raid1;;
al@416 183 *raid*) mod raid456;;
al@416 184 *mirror*) mod dm-mirror;;
al@416 185 esac
al@416 186 done
pascal@276 187 }
pascal@276 188
al@416 189
pascal@469 190 mntiso() {
pascal@469 191 umnt=
pascal@469 192 if got mount; then
pascal@469 193 dev=$root
pascal@469 194 x=$(busybox blkid|grep $dev|sed 's/:.*//;q')
pascal@469 195 root=${x:-$dev}
pascal@469 196 [ "$dev" = "$root" ] || dev="$root ($dev)"
pascal@469 197 echo "Mount $dev..."
pascal@469 198 mnt $1
pascal@469 199 umnt=" $umnt $1"
pascal@469 200 arg posixovl && echo "And posixovl..." && umnt=" $umnt $1" &&
pascal@469 201 mount.posixovl -F $1 -- -oallow_other -odefault_permissions -osuid
pascal@469 202 fi
pascal@469 203 got loopfs && echo "Into file $root..." && umnt=" $umnt $1" &&
pascal@469 204 losetup /dev/loop0 $1/$root && root=/dev/loop0 && mnt $1
pascal@469 205 [ -z "$umnt" ] && mnt $1
pascal@469 206 got bindfs && echo "Bind ${root/,/ to }..." &&
pascal@469 207 busybox mount --bind $1/${root%,*} $1/${root/,//}
pascal@469 208 true
pascal@469 209 }
pascal@469 210
al@416 211
al@416 212
al@416 213 if [ "$1" != 'log' ]; then
al@373 214 busybox mount -t proc proc /proc
al@373 215 busybox mount -t sysfs sys /sys
al@373 216 busybox mount -t tmpfs tmpfs /run
pascal@314 217 x=/sbin/init; echo "[ -x $x ] && exec $x" >/run/init
pascal@314 218 $0 log 2>&1 | tee /run/boot.log
pascal@410 219 busybox umount /sys
al@373 220 busybox umount /proc
pascal@310 221 . /run/init
pascal@314 222 sh
pascal@314 223 fi
al@416 224
pascal@459 225 mdev -s 2> /dev/null ||
pascal@410 226 for i in /sys/block/*/dev /sys/block/*/*/dev ; do
pascal@411 227 [ -s "$i" ] || continue
pascal@410 228 n=${i%/dev}
pascal@410 229 n=/dev/${n##*/}
pascal@410 230 [ -e $n ] && continue
pascal@410 231 echo "Create $n "
pascal@410 232 mknod $n b $(sed 's/:/ /' < $i)
pascal@410 233 done
al@416 234
pascal@341 235 got modprobe && mod ${root//,/ }
al@416 236
pascal@384 237 [ -d /proc/sys/dev/cdrom ] &&
al@393 238 ln -s $(sed '/name/!d;s/.*:[^a-z]*//' /proc/sys/dev/cdrom/info) /dev/cdrom
al@416 239
pascal@472 240 dev=$(busybox fdisk -l|awk '/sectors/{d=$2}/SliTaz persistent \/home/{print d $1;quit}'|sed 's|:||')
pascal@472 241 if got root && [ "$dev" -a "$root" == "/dev/null" ]; then
pascal@472 242 busybox blkid $dev | grep -q TYPE= || mkfs.vfat $dev
pascal@472 243 mount $dev /home && case $(busybox blkid $dev) in
pascal@472 244 *vfat*|*exfat*|*ntfs*)
pascal@472 245 mount.posixovl -F /home -- -oallow_other -odefault_permissions -osuid
pascal@472 246 esac
pascal@472 247 fs=/home/boot/rootfs.gz; [ -s $fs ] && (zcat $fs || unlzma < $fs || cat $fs) | cpio -idmu
pascal@472 248 [ -d /init.d ] && for i in /init.d/* ; do [ -x $i ] && . $i ; done
pascal@472 249 fi 2>&1 >/dev/null
pascal@472 250
al@393 251 if use dmraid; then
al@393 252 dmraid -s | sed '/^type/!ds/.*: *//' | ldraid
pascal@314 253 [ ${root:0:4} = /dev ] ||
al@393 254 root=/dev/mapper/$(dmraid -s|sed '/^name/!ds/.*: *//')p${root#p}
pascal@314 255 dmraid -ay
pascal@314 256 fi
pascal@399 257 use raiddev && raiddev="DEVICE ${root//,/ }"
pascal@399 258 use raidmail && raidmail="MAILADDR $root"
al@393 259 if use softraid; then
pascal@418 260 for i in 1 2 3 4 5 6 7 8 9; do
pascal@418 261 mdadm -E -s -c partitions > /etc/mdadm.conf
pascal@418 262 grep -qs " $root " /etc/mdadm.conf && break
pascal@418 263 sleep $i
pascal@418 264 done
pascal@399 265 [ "$raiddev" ] && echo "$raiddev" >> /etc/mdadm.conf
pascal@399 266 [ "$raidmail" ] && echo "$raidmail" >> /etc/mdadm.conf
al@393 267 grep level=raid /etc/mdadm.conf | ldraid
pascal@452 268 udevd --daemon
pascal@452 269 udevadm trigger
pascal@452 270 udevadm settle
al@393 271 for i in 1 2 3 4 5 6 7 8 9; do
al@393 272 sleep $i
pascal@314 273 mdadm -A -s
pascal@452 274 for j in $(sed '/\/md/!d;s|.*md/*\([0-9]*\).*|md\1|' \
pascal@452 275 /etc/mdadm.conf); do
pascal@452 276 grep -qs "$j : act" /proc/mdstat || continue 2
pascal@452 277 done
pascal@452 278 break
pascal@314 279 done
pascal@419 280 grep -qs "^$(basename $root) : act" /proc/mdstat ||
pascal@418 281 root=$(awk '/^md/ { print "/dev/" $1; exit }' < /proc/mdstat)
pascal@323 282 lvm /etc/mdadm.conf
pascal@314 283 fi
pascal@323 284 lvm
al@416 285
pascal@469 286 got extra && extra=$root && mntiso /mnt && for i in ${extra//,/ }; do
pascal@471 287 grep -q ' lm ' /proc/cpuinfo && [ -s /mnt/${i}64 ] && i=${i}64
pascal@471 288 (unlzma < /mnt/$i 2>/dev/null || zcat /mnt/$i 2>/dev/null || cat /mnt/$i) | cpio -idmu
pascal@469 289 done && for i in $umnt; do umount -l $i; done
pascal@323 290 arg cryptoroot= && try
al@393 291 if use subroot; then
al@393 292 cp $(LD_TRACE_LOADED_OBJECTS=1 /lib/ld*.so /usr/sbin/chroot | sed\
pascal@314 293 's|.*=> \(/lib/l[^ ]*\).*|\1|;/^\//!d') /usr/sbin/chroot /run
pascal@314 294 r=$root/run
pascal@314 295 quit $r "export LD_LIBRARY_PATH=$r:/lib"\
pascal@323 296 "$root$(ls /run/ld-*so) $r/chroot $root" "/$root"
pascal@314 297 fi
pascal@321 298 quit
pascal@314 299 msg tmpfs
pascal@314 300 root=100
pascal@314 301 got tmpram
pascal@314 302 r=$root
pascal@464 303 got rootfsinodes && inodes=",nr_inodes=$root"
pascal@314 304 root=90%
pascal@314 305 got rootfssize
pascal@314 306 [ $(busybox free|busybox awk '/Mem:/{print int(($4*100)/$3)}') -ge $r ] &&
pascal@464 307 busybox mount -t tmpfs -o size=$root$inodes tmpfs /mnt &&
pascal@462 308 export PATH=/mnt/bin:$PATH &&
pascal@462 309 for i in $(ls -a /); do
al@416 310 case "$i" in
al@416 311 .*|cdrom) ;;
pascal@463 312 mnt|proc|run|sys) mkdir /mnt/$i;;
pascal@463 313 dev) cp -a /$i /mnt;;
pascal@463 314 *) mv /$i /mnt; ln -s /mnt/$i / 2> /dev/null ||
pascal@463 315 LD_LIBRARY_PATH=/mnt/lib:/mnt/usr/lib:/lib:/usr/lib \
pascal@463 316 /mnt/lib/ld-linux.so.2 /mnt/bin/ln -s /mnt/$i /;;
al@416 317 esac
al@416 318 done || fail 3mSkipped
pascal@314 319 quit
pascal@465 320 mod squashfs 2>/dev/null || exit
pascal@314 321 msg aufs
pascal@314 322 br=/mnt/.rw
pascal@402 323 mkdir $br /mnt/.wd
pascal@314 324 got rwdev && mnt $br && br=$br$d
pascal@314 325 o=
pascal@314 326 p=
pascal@314 327 c=/mnt/.cdrom
al@393 328 if [ -z "$(ls /mnt/rootfs* 2>/dev/null)" ]; then
al@393 329 root=/dev/cdrom/fs
pascal@314 330 got rodev
pascal@314 331 mkdir -p $c /mnt$c /mnt/.rw$c
pascal@469 332 mntiso $c
pascal@314 333 o="-o 124"
pascal@314 334 p=/.cdrom/boot
pascal@318 335 c=$c$d
pascal@276 336 fi
pascal@314 337 l=0
pascal@314 338 r=
pascal@402 339 got isofs && r=:$c || for i in /mnt$p/rootfs?*.gz; do
al@393 340 fs=${i#*root}
pascal@314 341 r=$r:/mnt/.$fs
pascal@314 342 mkdir -p /mnt/.rw/mnt/.$fs /mnt/.$fs
pascal@469 343 losetup $o /dev/loop$((++l)) $i
pascal@469 344 busybox mount -o ro -t squashfs /dev/loop$l /mnt/.$fs
pascal@276 345 done
pascal@402 346 while read type opt; do
pascal@465 347 mod $type || continue
pascal@464 348 busybox mount -t $type -o $opt none /mnt && break
pascal@402 349 done <<EOT
pascal@402 350 aufs br=$br$r
pascal@402 351 overlayfs workdir=/mnt/.wd${r/:/,lowerdir=},upperdir=$br
pascal@402 352 EOT
pascal@314 353 quit