IMG/cpio/ventoy/hook/ventoy-hook-lib.sh

   1 #!/ventoy/busybox/sh
   2 #************************************************************************************
   3 # Copyright (c) 2020, longpanda <admin@ventoy.net>
   4 #
   5 # This program is free software; you can redistribute it and/or
   6 # modify it under the terms of the GNU General Public License as
   7 # published by the Free Software Foundation; either version 3 of the
   8 # License, or (at your option) any later version.
   9 #
  10 # This program is distributed in the hope that it will be useful, but
  11 # WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13 # General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with this program; if not, see <http://www.gnu.org/licenses/>.
  17 #
  18 #************************************************************************************
  19
  20 VTOY_PATH=/ventoy
  21 BUSYBOX_PATH=$VTOY_PATH/busybox
  22 VTLOG=$VTOY_PATH/log
  23 FIND=$BUSYBOX_PATH/find
  24 GREP=$BUSYBOX_PATH/grep
  25 EGREP=$BUSYBOX_PATH/egrep
  26 CAT=$BUSYBOX_PATH/cat
  27 AWK=$BUSYBOX_PATH/awk
  28 SED=$BUSYBOX_PATH/sed
  29 SLEEP=$BUSYBOX_PATH/sleep
  30 HEAD=$BUSYBOX_PATH/head
  31 VTOY_DM_PATH=/dev/mapper/ventoy
  32 VTOY_DEBUG_LEVEL=$($BUSYBOX_PATH/hexdump -n 1 -s 450 -e '1/1 "%02x"' $VTOY_PATH/ventoy_os_param)
  33 VTOY_LINUX_REMOUNT=$($BUSYBOX_PATH/hexdump -n 1 -s 454 -e '1/1 "%02x"' $VTOY_PATH/ventoy_os_param)
  34 VTOY_VLNK_BOOT=$($BUSYBOX_PATH/hexdump -n 1 -s 455 -e '1/1 "%02x"' $VTOY_PATH/ventoy_os_param)
  35
  36 if [ "$VTOY_DEBUG_LEVEL" = "01" ]; then
  37     if [ -e /dev/console ]; then
  38         VTLOG=/dev/console
  39     fi
  40 fi
  41
  42 vtlog() {
  43     if [ "$VTLOG" = "$VTOY_PATH/log" ]; then
  44         echo "$*" >>$VTLOG
  45     else
  46         echo -e "\033[32m $* \033[0m" > $VTLOG
  47         $SLEEP 2
  48     fi
  49 }
  50
  51 vterr() {
  52     if [ "$VTLOG" = "$VTOY_PATH/log" ]; then
  53         echo "$*" >>$VTLOG
  54     else
  55         echo -e "\n\033[31m $* \033[0m" > $VTLOG
  56         $SLEEP 30
  57     fi
  58 }
  59
  60
  61 is_ventoy_hook_finished() {
  62     [ -e $VTOY_PATH/hook_finish ]
  63 }
  64
  65 set_ventoy_hook_finish() {
  66     echo 'Y' > $VTOY_PATH/hook_finish
  67 }
  68
  69 get_ventoy_disk_name() {
  70     if [ "$VTOY_VLNK_BOOT" = "01" ]; then
  71         $VTOY_PATH/tool/vtoydump -t /ventoy/ventoy_os_param
  72     else
  73         line=$($VTOY_PATH/tool/vtoydump -f /ventoy/ventoy_os_param)
  74         if [ $? -eq 0 ]; then
  75             echo ${line%%#*}
  76         else
  77             echo "unknown"
  78         fi
  79     fi
  80 }
  81
  82 get_ventoy_iso_name() {
  83     line=$($VTOY_PATH/tool/vtoydump -f /ventoy/ventoy_os_param)
  84     if [ $? -eq 0 ]; then
  85         echo ${line##*#}
  86     else
  87         echo "unknown"
  88     fi
  89 }
  90
  91 wait_for_usb_disk_ready() {
  92     vtloop=0
  93     while [ -n "Y" ]; do
  94         usb_disk=$(get_ventoy_disk_name)
  95         vtlog "wait_for_usb_disk_ready $usb_disk ..."
  96
  97         if echo $usb_disk | $EGREP -q "nvme|mmc|nbd"; then
  98             vtpart2=${usb_disk}p2
  99         else
 100             vtpart2=${usb_disk}2
 101         fi
 102
 103         if [ -e "${vtpart2}" ]; then
 104             vtlog "wait_for_usb_disk_ready $usb_disk finish"
 105             break
 106         else
 107             let vtloop=vtloop+1
 108             if [ $vtloop -gt 2 ]; then
 109                 if [ "$VTLOG" != "$VTOY_PATH/log" ]; then
 110                     $VTOY_PATH/tool/vtoydump -f /ventoy/ventoy_os_param -v > $VTLOG
 111                 fi
 112             fi
 113             $SLEEP 0.3
 114         fi
 115     done
 116 }
 117
 118
 119 check_usb_disk_ready() {
 120     if echo $1 | $EGREP -q "nvme|mmc|nbd"; then
 121         vtpart2=${1}p2
 122     else
 123         vtpart2=${1}2
 124     fi
 125
 126     [ -e "${vtpart2}" ]
 127 }
 128
 129 not_ventoy_disk() {
 130     if echo $1 | $EGREP -q "nvme.*p$|mmc.*p$|nbd.*p$"; then
 131         vtDiskName=${1:0:-1}
 132     else
 133         vtDiskName=$1
 134     fi
 135
 136     if [ "$VTOY_VLNK_BOOT" = "01" ]; then
 137         vtVtoyDisk=$($VTOY_PATH/tool/vtoydump -t $VTOY_PATH/ventoy_os_param)
 138         [ "$vtVtoyDisk" != "/dev/$vtDiskName" ]
 139     else
 140         if $VTOY_PATH/tool/vtoydump -f $VTOY_PATH/ventoy_os_param -c "$vtDiskName"; then
 141             $BUSYBOX_PATH/false
 142         else
 143             $BUSYBOX_PATH/true
 144         fi
 145     fi
 146 }
 147
 148 ventoy_get_vblade_bin() {
 149     if $VTOY_PATH/tool/vblade_64 -t >>$VTLOG 2>&1; then
 150         echo $VTOY_PATH/tool/vblade_64
 151     else
 152         echo $VTOY_PATH/tool/vblade_32
 153     fi
 154 }
 155
 156 ventoy_find_bin_path() {
 157     if $BUSYBOX_PATH/which "$1" > /dev/null; then
 158         $BUSYBOX_PATH/which "$1"; return
 159     fi
 160
 161     for vt_path in '/bin' '/sbin' '/usr/bin' '/usr/sbin' '/usr/local/bin' '/usr/local/sbin' '/root/bin'; do
 162         if [ -e "$vt_path/$1" ]; then
 163             echo "$vt_path/$1"; return
 164         fi
 165     done
 166
 167     echo ""
 168 }
 169
 170
 171 ventoy_find_bin_run() {
 172     vtsudo=0
 173     if [ "$1" = "sudo" ]; then
 174         shift
 175         vtsudo=1
 176     fi
 177
 178     vtbinpath=$(ventoy_find_bin_path "$1")
 179     if [ -n "$vtbinpath" ]; then
 180         shift
 181
 182         if [ $vtsudo -eq 0 ]; then
 183             vtlog "$vtbinpath $*"
 184             $vtbinpath $*
 185         else
 186             vtlog "sudo $vtbinpath $*"
 187             sudo $vtbinpath $*
 188         fi
 189     fi
 190 }
 191
 192 ventoy_get_module_postfix() {
 193     vtKerVer=$($BUSYBOX_PATH/uname -r)
 194     vtLine=$($FIND /lib/modules/$vtKerVer/ -name *.ko* | $HEAD -n1)
 195     vtComp=${vtLine##*/*.ko}
 196     echo "ko$vtComp"
 197 }
 198
 199 ventoy_check_dm_module() {
 200     if $GREP -q 'device-mapper' /proc/devices; then
 201         $BUSYBOX_PATH/true; return
 202     fi
 203
 204     vtlog "device-mapper NOT found in /proc/devices, try to load kernel module"
 205     $BUSYBOX_PATH/modprobe dm_mod >>$VTLOG 2>&1
 206     $BUSYBOX_PATH/modprobe dm-mod >>$VTLOG 2>&1
 207
 208     if ! $GREP -q 'device-mapper' /proc/devices; then
 209         vtlog "modprobe failed, now try to insmod ko..."
 210
 211         $FIND /lib/modules/ -name "dm-mod.ko*" | while read vtline; do
 212             vtlog "insmode $vtline "
 213             $BUSYBOX_PATH/insmod $vtline >>$VTLOG 2>&1
 214         done
 215     fi
 216
 217     if $GREP -q 'device-mapper' /proc/devices; then
 218         vtlog "device-mapper found in /proc/devices after retry"
 219         $BUSYBOX_PATH/true; return
 220     else
 221         vtlog "device-mapper still NOT found in /proc/devices after retry"
 222         $BUSYBOX_PATH/false; return
 223     fi
 224 }
 225
 226 ventoy_need_proc_ibt() {
 227     vtKv=$($BUSYBOX_PATH/uname -r)
 228     vtMajor=$(echo $vtKv | $AWK -F. '{print $1}')
 229     vtMinor=$(echo $vtKv | $AWK -F. '{print $2}')
 230
 231     #ibt was supported since linux kernel 5.18
 232     if [ $vtMajor -lt 5 ]; then
 233         $BUSYBOX_PATH/false; return
 234     elif [ $vtMajor -eq 5 ]; then
 235         if [ $vtMajor -lt 18 ]; then
 236             $BUSYBOX_PATH/false; return
 237         fi
 238     fi
 239
 240     if $GREP -q ' ibt=off' /proc/cmdline; then
 241         $BUSYBOX_PATH/false; return
 242     fi
 243
 244     #hardware CPU doesn't support IBT
 245     if $VTOY_PATH/tool/vtoykmod -I; then
 246         :
 247     else
 248         $BUSYBOX_PATH/false; return
 249     fi
 250
 251     #dot.CONFIG not enabled
 252     if $GREP -q ' ibt_restore$' /proc/kallsyms; then
 253         :
 254     else
 255         $BUSYBOX_PATH/false; return
 256     fi
 257
 258     $BUSYBOX_PATH/true
 259 }
 260
 261
 262 ventoy_need_dm_patch() {
 263     if [ "$VTOY_LINUX_REMOUNT" != "01" ]; then
 264         if $GREP -q 'VTOY_LINUX_REMOUNT=1' /proc/cmdline; then
 265             :
 266         else
 267             $BUSYBOX_PATH/false; return
 268         fi
 269     fi
 270
 271     if $GREP -q 'device-mapper' /proc/devices; then
 272         :
 273     else
 274         $BUSYBOX_PATH/false; return
 275     fi
 276
 277     if $GREP -q 'dm_patch' /proc/modules; then
 278         $BUSYBOX_PATH/false; return
 279     fi
 280
 281     vtMajorVer=$($BUSYBOX_PATH/uname -r | $AWK -F. '{print $1}')
 282     vtMinorVer=$($BUSYBOX_PATH/uname -r | $AWK -F. '{print $2}')
 283
 284     if [ $vtMajorVer -lt 3 ]; then
 285         $BUSYBOX_PATH/false; return
 286     elif [ $vtMajorVer -eq 3 -a $vtMinorVer -lt 10 ]; then
 287         $BUSYBOX_PATH/false; return
 288     fi
 289
 290
 291     $BUSYBOX_PATH/true
 292 }
 293
 294 ventoy_dm_patch() {
 295     vtMType=$($BUSYBOX_PATH/uname -m)
 296
 297     vtlog "######### ventoy_dm_patch ############"
 298
 299     if echo $vtMType | $EGREP -i -q "x86.64|amd64"; then
 300         vtKoName=dm_patch_64.ko
 301     elif echo $vtMType | $EGREP -i -q "i[3-6]86"; then
 302         vtKoName=dm_patch_32.ko
 303     else
 304         vtlog "unsupported machine type $vtMType"
 305         return
 306     fi
 307
 308     if ventoy_need_proc_ibt; then
 309         vtlog "need to proc IBT"
 310         vtKoName=dm_patch_ibt_64.ko
 311         vtIBT='0x8888'
 312     else
 313         vtlog "NO need to proc IBT"
 314         vtIBT='0'
 315     fi
 316
 317
 318     if [ -f $VTOY_PATH/tool/$vtKoName ]; then
 319         vtlog "/ventoy/tool/$vtKoName exist OK"
 320     else
 321         vtlog "/ventoy/tool/$vtKoName NOT exist"
 322         return
 323     fi
 324
 325     $CAT /proc/kallsyms | $BUSYBOX_PATH/sort > $VTOY_PATH/kallsyms
 326
 327     if $GREP -m1 -q 'open_table_device.isra' $VTOY_PATH/kallsyms; then
 328         vtLine=$($VTOY_PATH/tool/vtoyksym open_table_device.isra $VTOY_PATH/kallsyms)
 329         vtlog "get open_table_device.isra address $vtLine"
 330     else
 331         vtLine=$($VTOY_PATH/tool/vtoyksym dm_get_table_device $VTOY_PATH/kallsyms)
 332         vtlog "get dm_get_table_device address $vtLine"
 333     fi
 334     get_addr=$(echo $vtLine | $AWK '{print $1}')
 335     get_size=$(echo $vtLine | $AWK '{print $2}')
 336
 337     if $GREP -m1 -q 'close_table_device.isra' $VTOY_PATH/kallsyms; then
 338         vtLine=$($VTOY_PATH/tool/vtoyksym close_table_device.isra $VTOY_PATH/kallsyms)
 339         vtlog "get close_table_device.isra address $vtLine"
 340     else
 341         vtLine=$($VTOY_PATH/tool/vtoyksym dm_put_table_device $VTOY_PATH/kallsyms)
 342         vtlog "get dm_put_table_device address $vtLine"
 343     fi
 344     put_addr=$(echo $vtLine | $AWK '{print $1}')
 345     put_size=$(echo $vtLine | $AWK '{print $2}')
 346
 347     ro_addr=$($GREP ' set_memory_ro$' /proc/kallsyms | $AWK '{print $1}')
 348     rw_addr=$($GREP ' set_memory_rw$' /proc/kallsyms | $AWK '{print $1}')
 349     kprobe_reg_addr=$($GREP ' register_kprobe$' /proc/kallsyms | $AWK '{print $1}')
 350     kprobe_unreg_addr=$($GREP ' unregister_kprobe$' /proc/kallsyms | $AWK '{print $1}')
 351
 352     if [ "$VTOY_DEBUG_LEVEL" = "01" ]; then
 353         printk_addr=$($GREP ' printk$' /proc/kallsyms | $AWK '{print $1}')
 354         if [ -z "$printk_addr" ]; then
 355             printk_addr=$($GREP ' _printk$' /proc/kallsyms | $AWK '{print $1}')
 356         fi
 357         vtDebug="-v"
 358     else
 359         printk_addr=0
 360     fi
 361
 362     #printk_addr=$($GREP ' printk$' /proc/kallsyms | $AWK '{print $1}')
 363     #vtDebug="-v"
 364
 365     vtlog get_addr=$get_addr  get_size=$get_size
 366     vtlog put_addr=$put_addr  put_size=$put_size
 367     vtlog kprobe_reg_addr=$kprobe_reg_addr  kprobe_unreg_addr=$kprobe_unreg_addr
 368     vtlog ro_addr=$ro_addr  rw_addr=$rw_addr  printk_addr=$printk_addr
 369
 370     if [ "$get_addr" = "0" -o "$put_addr" = "0" ]; then
 371         vtlog "Invalid symbol address"
 372         return
 373     fi
 374     if [ "$ro_addr" = "0" -o "$rw_addr" = "0" ]; then
 375         vtlog "Invalid symbol address"
 376         return
 377     fi
 378
 379
 380     vtKv=$($BUSYBOX_PATH/uname -r)
 381
 382     if [ ! -d /lib/modules/$vtKv ]; then
 383         vtlog "No modules directory found"
 384         return
 385     elif [ -d /lib/modules/$vtKv/kernel/fs ]; then
 386         vtModPath=$($FIND /lib/modules/$vtKv/kernel/fs/ -name "*.ko*" | $HEAD -n1)
 387     else
 388         vtModPath=$($FIND /lib/modules/$vtKv/kernel/ -name "xfs.ko*" | $HEAD -n1)
 389     fi
 390
 391     if [ -z "$vtModPath" ]; then
 392         vtModPath=$($FIND /lib/modules/$vtKv/kernel/ -name "*.ko*" | $HEAD -n1)
 393     fi
 394
 395     vtModName=$($BUSYBOX_PATH/basename $vtModPath)
 396
 397     vtlog "template module is $vtModPath $vtModName"
 398
 399     if [ -z "$vtModPath" ]; then
 400         vtlog "No template module found"
 401         return
 402     elif echo $vtModPath | $GREP -q "[.]ko$"; then
 403         $BUSYBOX_PATH/cp -a $vtModPath  $VTOY_PATH/$vtModName
 404     elif echo $vtModPath | $GREP -q "[.]ko[.]xz$"; then
 405         $BUSYBOX_PATH/xzcat $vtModPath > $VTOY_PATH/$vtModName
 406     elif echo $vtModPath | $GREP -q "[.]ko[.]gz$"; then
 407         $BUSYBOX_PATH/zcat $vtModPath > $VTOY_PATH/$vtModName
 408     else
 409         vtlog "unsupport module type"
 410         return
 411     fi
 412
 413
 414
 415     #step1: modify vermagic/mod crc/relocation
 416     vtlog "$VTOY_PATH/tool/vtoykmod -u $VTOY_PATH/tool/$vtKoName $VTOY_PATH/$vtModName $vtDebug"
 417     $VTOY_PATH/tool/vtoykmod -u $VTOY_PATH/tool/$vtKoName $VTOY_PATH/$vtModName $vtDebug
 418
 419     #step2: fill parameters
 420     vtPgsize=$($VTOY_PATH/tool/vtoyksym -p)
 421     vtlog "$VTOY_PATH/tool/vtoykmod -f $VTOY_PATH/tool/$vtKoName $vtPgsize 0x$printk_addr 0x$ro_addr 0x$rw_addr $get_addr $get_size $put_addr $put_size 0x$kprobe_reg_addr 0x$kprobe_unreg_addr $vtKv $vtIBT $vtDebug"
 422     $VTOY_PATH/tool/vtoykmod -f $VTOY_PATH/tool/$vtKoName $vtPgsize 0x$printk_addr 0x$ro_addr 0x$rw_addr $get_addr $get_size $put_addr $put_size 0x$kprobe_reg_addr 0x$kprobe_unreg_addr $vtKv $vtIBT $vtDebug
 423
 424     $BUSYBOX_PATH/insmod $VTOY_PATH/tool/$vtKoName
 425
 426     if $GREP -q 'dm_patch' /proc/modules; then
 427         echo "done" > $VTOY_PATH/dm_patch_done
 428     fi
 429
 430 }
 431
 432 create_ventoy_device_mapper() {
 433     vtlog "create_ventoy_device_mapper $*"
 434
 435     VT_DM_BIN=$(ventoy_find_bin_path dmsetup)
 436     if [ -z "$VT_DM_BIN" ]; then
 437         vtlog "no dmsetup avaliable, lastly try inbox dmsetup"
 438         VT_DM_BIN=$VTOY_PATH/tool/dmsetup
 439     fi
 440
 441     vtlog "dmsetup avaliable in system $VT_DM_BIN"
 442
 443     if ventoy_check_dm_module "$1"; then
 444         vtlog "device-mapper module check success"
 445     else
 446         vterr "Error: no dm module avaliable"
 447     fi
 448
 449     $VTOY_PATH/tool/vtoydm -p -f $VTOY_PATH/ventoy_image_map -d $1 > $VTOY_PATH/ventoy_dm_table
 450
 451
 452     vtLevel1=$($CAT /proc/sys/kernel/printk | $AWK '{print $1}')
 453     vtLevel2=$($CAT /proc/sys/kernel/printk | $AWK '{print $2}')
 454     vtLevel3=$($CAT /proc/sys/kernel/printk | $AWK '{print $3}')
 455     vtLevel4=$($CAT /proc/sys/kernel/printk | $AWK '{print $4}')
 456     if ventoy_need_dm_patch; then
 457         ventoy_dm_patch
 458         #suppress printk message
 459         echo 0 $vtLevel2 0 $vtLevel4 > /proc/sys/kernel/printk
 460     fi
 461
 462     if [ -z "$2" ]; then
 463         $VT_DM_BIN create ventoy $VTOY_PATH/ventoy_dm_table >>$VTLOG 2>&1
 464     else
 465         $VT_DM_BIN "$2" create ventoy $VTOY_PATH/ventoy_dm_table >>$VTLOG 2>&1
 466     fi
 467
 468     if ventoy_need_dm_patch; then
 469         #recover printk level
 470         echo $vtLevel1 $vtLevel2 $vtLevel3 $vtLevel4 > /proc/sys/kernel/printk
 471     fi
 472 }
 473
 474 create_persistent_device_mapper() {
 475     vtlog "create_persistent_device_mapper $*"
 476
 477     VT_DM_BIN=$(ventoy_find_bin_path dmsetup)
 478     if [ -z "$VT_DM_BIN" ]; then
 479         vtlog "no dmsetup avaliable, lastly try inbox dmsetup"
 480         VT_DM_BIN=$VTOY_PATH/tool/dmsetup
 481     fi
 482
 483     vtlog "dmsetup avaliable in system $VT_DM_BIN"
 484
 485     if ventoy_check_dm_module "$1"; then
 486         vtlog "device-mapper module check success"
 487     else
 488         vterr "Error: no dm module avaliable"
 489     fi
 490
 491     $VTOY_PATH/tool/vtoydm -p -f $VTOY_PATH/ventoy_persistent_map -d $1 > $VTOY_PATH/persistent_dm_table
 492
 493
 494     vtLevel1=$($CAT /proc/sys/kernel/printk | $AWK '{print $1}')
 495     vtLevel2=$($CAT /proc/sys/kernel/printk | $AWK '{print $2}')
 496     vtLevel3=$($CAT /proc/sys/kernel/printk | $AWK '{print $3}')
 497     vtLevel4=$($CAT /proc/sys/kernel/printk | $AWK '{print $4}')
 498     if [ -f $VTOY_PATH/dm_patch_done ]; then
 499         #suppress printk message
 500         echo 0 $vtLevel2 0 $vtLevel4 > /proc/sys/kernel/printk
 501     fi
 502
 503     $VT_DM_BIN create vtoy_persistent $VTOY_PATH/persistent_dm_table >>$VTLOG 2>&1
 504
 505     if [ -f $VTOY_PATH/dm_patch_done ]; then
 506         #recover printk level
 507         echo $vtLevel1 $vtLevel2 $vtLevel3 $vtLevel4 > /proc/sys/kernel/printk
 508     fi
 509 }
 510
 511
 512
 513 wait_for_ventoy_dm_disk_label() {
 514     DM=$($BUSYBOX_PATH/readlink $VTOY_DM_PATH)
 515     vtlog "wait_for_ventoy_dm_disk_label $DM ..."
 516
 517     for i in 0 1 2 3 4 5 6 7 8 9; do
 518         vtlog "i=$i ####### ls /dev/disk/by-label/"
 519         ls -l /dev/disk/by-label/ >> $VTLOG
 520
 521         if ls -l /dev/disk/by-label/ | $GREP -q "$DM"; then
 522             break
 523         else
 524             $SLEEP 1
 525         fi
 526     done
 527 }
 528
 529 install_udeb_pkg() {
 530     if ! [ -e "$1" ]; then
 531         $BUSYBOX_PATH/false
 532         return
 533     fi
 534
 535     if [ -d /tmp/vtoy_udeb ]; then
 536         $BUSYBOX_PATH/rm -rf /tmp/vtoy_udeb
 537     fi
 538
 539     $BUSYBOX_PATH/mkdir -p /tmp/vtoy_udeb
 540     $BUSYBOX_PATH/cp -a "$1" /tmp/vtoy_udeb/
 541
 542     CURDIR=$($BUSYBOX_PATH/pwd)
 543     cd /tmp/vtoy_udeb
 544
 545     $BUSYBOX_PATH/ar x "$1"
 546
 547     if [ -e 'data.tar.gz' ]; then
 548         $BUSYBOX_PATH/tar -xzf data.tar.gz -C /
 549     elif [ -e 'data.tar.xz' ]; then
 550         $BUSYBOX_PATH/tar -xJf data.tar.xz -C /
 551     elif [ -e 'data.tar.bz2' ]; then
 552         $BUSYBOX_PATH/tar -xjf data.tar.bz2 -C /
 553     elif [ -e 'data.tar.lzma' ]; then
 554         $BUSYBOX_PATH/tar -xaf data.tar.lzma -C /
 555     fi
 556
 557     if [ -e 'control.tar.gz' ]; then
 558         $BUSYBOX_PATH/tar -xzf control.tar.gz -C /
 559     elif [ -e 'control.tar.xz' ]; then
 560         $BUSYBOX_PATH/tar -xJf control.tar.xz -C /
 561     elif [ -e 'control.tar.bz2' ]; then
 562         $BUSYBOX_PATH/tar -xjf control.tar.bz2 -C /
 563     elif [ -e 'control.tar.lzma' ]; then
 564         $BUSYBOX_PATH/tar -xaf control.tar.lzma -C /
 565     fi
 566
 567     cd $CURDIR
 568     $BUSYBOX_PATH/rm -rf /tmp/vtoy_udeb
 569     $BUSYBOX_PATH/true
 570 }
 571
 572
 573 install_udeb_from_line() {
 574     vtlog "install_udeb_from_line $1"
 575
 576     if ! [ -b "$2" ]; then
 577         vterr "disk #$2# not exist"
 578         return
 579     fi
 580
 581     sector=$(echo $1 | $AWK '{print $(NF-1)}')
 582     length=$(echo $1 | $AWK '{print $NF}')
 583     vtlog "sector=$sector  length=$length"
 584
 585     $VTOY_PATH/tool/vtoydm -e -f $VTOY_PATH/ventoy_image_map -d ${2} -s $sector -l $length -o /tmp/xxx.udeb
 586     if [ -e /tmp/xxx.udeb ]; then
 587         vtlog "extract udeb file from iso success"
 588     else
 589         vterr "extract udeb file from iso fail"
 590         return
 591     fi
 592
 593     install_udeb_pkg /tmp/xxx.udeb
 594     $BUSYBOX_PATH/rm -f /tmp/xxx.udeb
 595 }
 596
 597 extract_file_from_line() {
 598     vtlog "extract_file_from_line $1 disk=#$2#"
 599     if ! [ -b "$2" ]; then
 600         vterr "disk #$2# not exist"
 601         return
 602     fi
 603
 604     sector=$(echo $1 | $AWK '{print $(NF-1)}')
 605     length=$(echo $1 | $AWK '{print $NF}')
 606     vtlog "sector=$sector  length=$length"
 607
 608     $VTOY_PATH/tool/vtoydm -e -f $VTOY_PATH/ventoy_image_map -d ${2} -s $sector -l $length -o $3
 609     if [ -e $3 ]; then
 610         vtlog "extract file from iso success"
 611         $BUSYBOX_PATH/true
 612     else
 613         vterr "extract file from iso fail"
 614         $BUSYBOX_PATH/false
 615     fi
 616 }
 617
 618 extract_rpm_from_line() {
 619     vtlog "extract_rpm_from_line $1 disk=#$2#"
 620
 621     if ! [ -b "$2" ]; then
 622         vterr "disk #$2# not exist"
 623         return
 624     fi
 625
 626     sector=$(echo $1 | $AWK '{print $(NF-1)}')
 627     length=$(echo $1 | $AWK '{print $NF}')
 628     vtlog "sector=$sector  length=$length"
 629
 630     $VTOY_PATH/tool/vtoydm -e -f $VTOY_PATH/ventoy_image_map -d ${2} -s $sector -l $length -o /tmp/xxx.rpm
 631     if [ -e /tmp/xxx.rpm ]; then
 632         vtlog "extract rpm file from iso success"
 633     else
 634         vterr "extract rpm file from iso fail"
 635         return
 636     fi
 637
 638     CURPWD=$($BUSYBOX_PATH/pwd)
 639
 640     $BUSYBOX_PATH/mkdir -p $VTOY_PATH/rpm
 641     cd $VTOY_PATH/rpm
 642     vtlog "extract rpm..."
 643     $BUSYBOX_PATH/rpm2cpio /tmp/xxx.rpm | $BUSYBOX_PATH/cpio -idm 2>>$VTLOG
 644     cd $CURPWD
 645
 646     $BUSYBOX_PATH/rm -f /tmp/xxx.rpm
 647 }
 648
 649 install_rpm_from_line() {
 650     vtlog "install_rpm_from_line $1 disk=#$2#"
 651
 652     if ! [ -b "$2" ]; then
 653         vterr "disk #$2# not exist"
 654         return
 655     fi
 656
 657     sector=$(echo $1 | $AWK '{print $(NF-1)}')
 658     length=$(echo $1 | $AWK '{print $NF}')
 659     vtlog "sector=$sector  length=$length"
 660
 661     $VTOY_PATH/tool/vtoydm -e -f $VTOY_PATH/ventoy_image_map -d ${2} -s $sector -l $length -o /tmp/xxx.rpm
 662     if [ -e /tmp/xxx.rpm ]; then
 663         vtlog "extract rpm file from iso success"
 664     else
 665         vterr "extract rpm file from iso fail"
 666         return
 667     fi
 668
 669     CURPWD=$($BUSYBOX_PATH/pwd)
 670
 671     cd /
 672     vtlog "install rpm..."
 673     $BUSYBOX_PATH/rpm2cpio /tmp/xxx.rpm | $BUSYBOX_PATH/cpio -idm 2>>$VTLOG
 674     cd $CURPWD
 675
 676     $BUSYBOX_PATH/rm -f /tmp/xxx.rpm
 677 }
 678
 679 dump_whole_iso_file() {
 680    $VTOY_PATH/tool/vtoydm -p -f $VTOY_PATH/ventoy_image_map -d $usb_disk | while read vtline; do
 681         vtlog "dmtable line: $vtline"
 682         vtcount=$(echo $vtline | $AWK '{print $2}')
 683         vtoffset=$(echo $vtline | $AWK '{print $NF}')
 684         $BUSYBOX_PATH/dd if=$usb_disk of="$1" bs=512 count=$vtcount skip=$vtoffset oflag=append conv=notrunc
 685     done
 686 }
 687
 688 ventoy_copy_device_mapper() {
 689     if [ -L $VTOY_DM_PATH ]; then
 690         vtlog "replace block device link $1..."
 691         $BUSYBOX_PATH/mv "$1" $VTOY_PATH/dev_backup_${1#/dev/}
 692         VT_MAPPER_LINK=$($BUSYBOX_PATH/readlink $VTOY_DM_PATH)
 693         $BUSYBOX_PATH/cp -a "/dev/mapper/$VT_MAPPER_LINK" "$1"
 694     elif [ -b $VTOY_DM_PATH ]; then
 695         vtlog "replace block device $1..."
 696         $BUSYBOX_PATH/mv "$1" $VTOY_PATH/dev_backup_${1#/dev/}
 697         $BUSYBOX_PATH/cp -a "$VTOY_DM_PATH" "$1"
 698     else
 699
 700         vtlog "$VTOY_DM_PATH not exist, now check /dev/dm-X ..."
 701         VT_DM_BIN=$(ventoy_find_bin_path dmsetup)
 702         if [ -z "$VT_DM_BIN" ]; then
 703             vtlog "no dmsetup avaliable, lastly try inbox dmsetup"
 704             VT_DM_BIN=$VTOY_PATH/tool/dmsetup
 705         fi
 706
 707         DM_VT_ID=$($VT_DM_BIN ls | $GREP ventoy | $SED 's/.*(\([0-9][0-9]*\),.*\([0-9][0-9]*\).*/\1 \2/')
 708         vtlog "DM_VT_ID=$DM_VT_ID ..."
 709         $BUSYBOX_PATH/mv "$1" $VTOY_PATH/dev_backup_${1#/dev/}
 710         $BUSYBOX_PATH/mknod -m 0666 "$1" b $DM_VT_ID
 711     fi
 712 }
 713
 714 # create link for device-mapper
 715 ventoy_create_persistent_link() {
 716     blkdev_num=$($VTOY_PATH/tool/dmsetup ls | grep vtoy_persistent | sed 's/.*(\([0-9][0-9]*\),.*\([0-9][0-9]*\).*/\1:\2/')
 717     vtDM=$(ventoy_find_dm_id ${blkdev_num})
 718
 719     if ! [ -d /dev/disk/by-label ]; then
 720         mkdir -p /dev/disk/by-label
 721     fi
 722
 723     VTLABEL=$($BUSYBOX_PATH/blkid /dev/$vtDM | $SED 's/.*LABEL="\([^"]*\)".*/\1/')
 724     if [ -z "$VTLABEL" ]; then
 725         VTLABEL=casper-rw
 726     fi
 727
 728     vtlog "Persistent Label: ##${VTLABEL}##"
 729
 730     if ! [ -e /dev/disk/by-label/$VTLABEL ]; then
 731         vtOldDir=$PWD
 732         cd /dev/disk/by-label
 733         ln -s ../../$vtDM $VTLABEL
 734         cd $vtOldDir
 735     fi
 736 }
 737
 738 ventoy_partname_to_diskname() {
 739     if echo $1 | $EGREP -q "nvme.*p[0-9]$|mmc.*p[0-9]$|nbd.*p[0-9]$"; then
 740         echo -n "${1:0:-2}"
 741     else
 742         echo -n "${1:0:-1}"
 743     fi
 744 }
 745
 746 ventoy_diskname_to_partname() {
 747     if echo $1 | $EGREP -q "nvme.*p[0-9]$|mmc.*p[0-9]$|nbd.*p[0-9]$"; then
 748         echo -n "${1}p$2"
 749     else
 750         echo -n "${1}$2"
 751     fi
 752 }
 753
 754 ventoy_udev_disk_common_hook() {
 755     if echo $1 | $EGREP -q "nvme.*p[0-9]$|mmc.*p[0-9]$|nbd.*p[0-9]$"; then
 756         VTDISK="${1:0:-2}"
 757     else
 758         VTDISK="${1:0:-1}"
 759     fi
 760
 761     if [ -e /vtoy/vtoy ]; then
 762         VTRWMOD=""
 763     else
 764         VTRWMOD="--readonly"
 765     fi
 766
 767     # create device mapper for iso image file
 768     if create_ventoy_device_mapper "/dev/$VTDISK" $VTRWMOD; then
 769         vtlog "==== create ventoy device mapper success ===="
 770     else
 771         vtlog "==== create ventoy device mapper failed ===="
 772
 773         $SLEEP 3
 774
 775         if $GREP -q "/dev/$VTDISK" /proc/mounts; then
 776             $GREP "/dev/$VTDISK" /proc/mounts | while read vtLine; do
 777                 vtPart=$(echo $vtLine | $AWK '{print $1}')
 778                 vtMnt=$(echo $vtLine | $AWK '{print $2}')
 779                 vtlog "$vtPart is mounted on $vtMnt  now umount it ..."
 780                 $BUSYBOX_PATH/umount $vtMnt
 781             done
 782         fi
 783
 784         if create_ventoy_device_mapper "/dev/$VTDISK" $VTRWMOD; then
 785             vtlog "==== create ventoy device mapper success after retry ===="
 786         else
 787             vtlog "==== create ventoy device mapper failed after retry ===="
 788             return
 789         fi
 790     fi
 791
 792     if [ "$2" = "noreplace" ]; then
 793         vtlog "no need to replace block device"
 794     else
 795         ventoy_copy_device_mapper "/dev/$1"
 796     fi
 797
 798     if [ -f $VTOY_PATH/ventoy_persistent_map ]; then
 799         create_persistent_device_mapper "/dev/$VTDISK"
 800         ventoy_create_persistent_link
 801     fi
 802
 803     if $GREP -q 'dm_patch' /proc/modules; then
 804         vtlog "remove dm_patch module."
 805         $BUSYBOX_PATH/rmmod dm_patch
 806     fi
 807 }
 808
 809 ventoy_create_dev_ventoy_part() {
 810     blkdev_num=$($VTOY_PATH/tool/dmsetup ls | $GREP ventoy | $SED 's/.*(\([0-9][0-9]*\),.*\([0-9][0-9]*\).*/\1 \2/')
 811     $BUSYBOX_PATH/mknod -m 0666 /dev/ventoy b $blkdev_num
 812
 813     if [ -e /vtoy_dm_table ]; then
 814         vtPartid=1
 815
 816         vtLevel1=$($CAT /proc/sys/kernel/printk | $AWK '{print $1}')
 817         vtLevel2=$($CAT /proc/sys/kernel/printk | $AWK '{print $2}')
 818         vtLevel3=$($CAT /proc/sys/kernel/printk | $AWK '{print $3}')
 819         vtLevel4=$($CAT /proc/sys/kernel/printk | $AWK '{print $4}')
 820         if [ -f $VTOY_PATH/dm_patch_done ]; then
 821             #suppress printk message
 822             echo 0 $vtLevel2 0 $vtLevel4 > /proc/sys/kernel/printk
 823         fi
 824
 825         $CAT /vtoy_dm_table | while read vtline; do
 826             echo $vtline > /ventoy/dm_table_part${vtPartid}
 827             $VTOY_PATH/tool/dmsetup create ventoy${vtPartid} /ventoy/dm_table_part${vtPartid}
 828
 829             blkdev_num=$($VTOY_PATH/tool/dmsetup ls | $GREP ventoy${vtPartid} | $SED 's/.*(\([0-9][0-9]*\),.*\([0-9][0-9]*\).*/\1 \2/')
 830             $BUSYBOX_PATH/mknod -m 0666 /dev/ventoy${vtPartid} b $blkdev_num
 831
 832             vtPartid=$(expr $vtPartid + 1)
 833         done
 834
 835         if [ -f $VTOY_PATH/dm_patch_done ]; then
 836             #recover printk level
 837             echo $vtLevel1 $vtLevel2 $vtLevel3 $vtLevel4 > /proc/sys/kernel/printk
 838         fi
 839     fi
 840 }
 841
 842
 843 ventoy_create_chromeos_ventoy_part() {
 844     blkdev_num=$($VTOY_PATH/tool/dmsetup ls | $GREP ventoy | $SED 's/.*(\([0-9][0-9]*\),.*\([0-9][0-9]*\).*/\1 \2/')
 845     $BUSYBOX_PATH/mknod -m 0666 /dev/ventoy b $blkdev_num
 846
 847     if [ -e /vtoy_dm_table ]; then
 848         vtPartid=1
 849
 850         $CAT /vtoy_dm_table | while read vtline; do
 851             echo $vtline > /ventoy/dm_table_part${vtPartid}
 852
 853             if [ $vtPartid -eq $1 ]; then
 854                 $VTOY_PATH/tool/dmsetup create ventoy${vtPartid} /ventoy/dm_table_part${vtPartid} --readonly
 855             else
 856                 $VTOY_PATH/tool/dmsetup create ventoy${vtPartid} /ventoy/dm_table_part${vtPartid}
 857             fi
 858
 859             blkdev_num=$($VTOY_PATH/tool/dmsetup ls | $GREP ventoy${vtPartid} | $SED 's/.*(\([0-9][0-9]*\),.*\([0-9][0-9]*\).*/\1 \2/')
 860             $BUSYBOX_PATH/mknod -m 0666 /dev/ventoy${vtPartid} b $blkdev_num
 861
 862             vtPartid=$(expr $vtPartid + 1)
 863         done
 864     fi
 865 }
 866
 867 is_inotify_ventoy_part() {
 868     if echo $1 | $GREP -q "2$"; then
 869         if ! [ -e /sys/block/$1 ]; then
 870             if [ -e /sys/class/block/$1 ]; then
 871                 if echo $1 | $EGREP -q "nvme|mmc|nbd"; then
 872                     vtShortName=${1:0:-2}
 873                 else
 874                     vtShortName=${1:0:-1}
 875                 fi
 876
 877                 if [ -e /dev/$vtShortName ]; then
 878                     if [ "$VTOY_VLNK_BOOT" = "01" ]; then
 879                         vtOrgDiskName=$($VTOY_PATH/tool/vtoydump -t $VTOY_PATH/ventoy_os_param)
 880                         [ "$vtOrgDiskName" = "/dev/$vtShortName" ]
 881                     else
 882                         $VTOY_PATH/tool/vtoydump -f $VTOY_PATH/ventoy_os_param -c $vtShortName
 883                     fi
 884                     return
 885                 fi
 886             fi
 887         fi
 888     fi
 889
 890     [ "1" = "0" ]
 891 }
 892
 893 ventoy_find_dm_id() {
 894     for vt in $($BUSYBOX_PATH/ls /sys/block/); do
 895         if [ "${vt:0:3}" = "dm-" ]; then
 896             vtMajorMinor=$($CAT /sys/block/$vt/dev)
 897             if [ "$vtMajorMinor" = "$1" ]; then
 898                 echo ${vt}
 899                 return
 900             fi
 901         fi
 902     done
 903     echo 'xx'
 904 }
 905
 906 ventoy_swap_device() {
 907     mv $1 $VTOY_PATH/swap_tmp_dev
 908     mv $2 $1
 909     mv $VTOY_PATH/swap_tmp_dev $2
 910 }
 911
 912 ventoy_extract_vtloopex() {
 913     vtCurPwd=$PWD
 914     $BUSYBOX_PATH/mkdir -p $VTOY_PATH/partmnt $VTOY_PATH/vtloopex
 915     $BUSYBOX_PATH/mount -o ro -t vfat $1  $VTOY_PATH/partmnt
 916     cd $VTOY_PATH/vtloopex
 917     $CAT $VTOY_PATH/partmnt/ventoy/vtloopex.cpio | $BUSYBOX_PATH/cpio -idm >> $VTLOG 2>&1
 918     $BUSYBOX_PATH/umount $VTOY_PATH/partmnt
 919     $BUSYBOX_PATH/rm -rf $VTOY_PATH/partmnt
 920
 921     if [ -n "$2" ]; then
 922         cd $VTOY_PATH/vtloopex/$2/
 923         $BUSYBOX_PATH/tar -xJf vtloopex.tar.xz
 924     fi
 925
 926     cd $vtCurPwd
 927 }
 928
 929 ventoy_check_install_module_xz() {
 930     if [ -f "${1}.xz" ]; then
 931         $BUSYBOX_PATH/xz -d  "${1}.xz"
 932         $BUSYBOX_PATH/insmod "$1"
 933     fi
 934 }
 935
 936 ventoy_check_umount() {
 937     for vtLoop in 0 1 2 3 4 5 6 7 8 9; do
 938         $BUSYBOX_PATH/umount "$1" > /dev/null 2>&1
 939         if $BUSYBOX_PATH/mountpoint -q "$1"; then
 940             $SLEEP 1
 941         else
 942             break
 943         fi
 944     done
 945 }
 946
 947 ventoy_wait_dir() {
 948     vtdir=$1
 949     vtsec=0
 950
 951     while [ $vtsec -lt $2 ]; do
 952         if [ -d "$vtdir" ]; then
 953             break
 954         else
 955             $SLEEP 1
 956             vtsec=$(expr $vtsec + 1)
 957         fi
 958     done
 959 }