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         $BUSYBOX_PATH/false; return
 223     fi
 224 }
 225
 226 ventoy_need_dm_patch() {
 227     if [ "$VTOY_LINUX_REMOUNT" != "01" ]; then
 228         if $GREP -q 'VTOY_LINUX_REMOUNT=1' /proc/cmdline; then
 229             :
 230         else
 231             $BUSYBOX_PATH/false; return
 232         fi
 233     fi
 234
 235     if $GREP -q 'device-mapper' /proc/devices; then
 236         :
 237     else
 238         $BUSYBOX_PATH/false; return
 239     fi
 240
 241     if $GREP -q 'dm_patch' /proc/modules; then
 242         $BUSYBOX_PATH/false; return
 243     fi
 244
 245     vtMajorVer=$($BUSYBOX_PATH/uname -r | $AWK -F. '{print $1}')
 246     vtMinorVer=$($BUSYBOX_PATH/uname -r | $AWK -F. '{print $2}')
 247
 248     if [ $vtMajorVer -lt 3 ]; then
 249         $BUSYBOX_PATH/false; return
 250     elif [ $vtMajorVer -eq 3 -a $vtMinorVer -lt 10 ]; then
 251         $BUSYBOX_PATH/false; return
 252     fi
 253
 254
 255     $BUSYBOX_PATH/true
 256 }
 257
 258 ventoy_dm_patch() {
 259     vtMType=$($BUSYBOX_PATH/uname -m)
 260
 261     vtlog "######### ventoy_dm_patch ############"
 262
 263     if echo $vtMType | $EGREP -i -q "x86.64|amd64"; then
 264         vtKoName=dm_patch_64.ko
 265     elif echo $vtMType | $EGREP -i -q "i[3-6]86"; then
 266         vtKoName=dm_patch_32.ko
 267     else
 268         vtlog "unsupported machine type $vtMType"
 269         return
 270     fi
 271
 272     if [ -f $VTOY_PATH/tool/$vtKoName ]; then
 273         vtlog "/ventoy/tool/$vtKoName exist OK"
 274     else
 275         vtlog "/ventoy/tool/$vtKoName NOT exist"
 276         return
 277     fi
 278
 279     $CAT /proc/kallsyms | $BUSYBOX_PATH/sort > $VTOY_PATH/kallsyms
 280
 281     vtLine=$($VTOY_PATH/tool/vtoyksym dm_get_table_device $VTOY_PATH/kallsyms)
 282     get_addr=$(echo $vtLine | $AWK '{print $1}')
 283     get_size=$(echo $vtLine | $AWK '{print $2}')
 284
 285     vtLine=$($VTOY_PATH/tool/vtoyksym dm_put_table_device $VTOY_PATH/kallsyms)
 286     put_addr=$(echo $vtLine | $AWK '{print $1}')
 287     put_size=$(echo $vtLine | $AWK '{print $2}')
 288
 289     ro_addr=$($GREP ' set_memory_ro$' /proc/kallsyms | $AWK '{print $1}')
 290     rw_addr=$($GREP ' set_memory_rw$' /proc/kallsyms | $AWK '{print $1}')
 291     kprobe_reg_addr=$($GREP ' register_kprobe$' /proc/kallsyms | $AWK '{print $1}')
 292     kprobe_unreg_addr=$($GREP ' unregister_kprobe$' /proc/kallsyms | $AWK '{print $1}')
 293
 294     if [ "$VTOY_DEBUG_LEVEL" = "01" ]; then
 295         printk_addr=$($GREP ' printk$' /proc/kallsyms | $AWK '{print $1}')
 296         vtDebug="-v"
 297     else
 298         printk_addr=0
 299     fi
 300
 301     #printk_addr=$($GREP ' printk$' /proc/kallsyms | $AWK '{print $1}')
 302     #vtDebug="-v"
 303
 304     vtlog get_addr=$get_addr  get_size=$get_size
 305     vtlog put_addr=$put_addr  put_size=$put_size
 306     vtlog kprobe_reg_addr=$kprobe_reg_addr  kprobe_unreg_addr=$kprobe_unreg_addr
 307     vtlog ro_addr=$ro_addr  rw_addr=$rw_addr  printk_addr=$printk_addr
 308
 309     if [ "$get_addr" = "0" -o "$put_addr" = "0" ]; then
 310         vtlog "Invalid symbol address"
 311         return
 312     fi
 313     if [ "$ro_addr" = "0" -o "$rw_addr" = "0" ]; then
 314         vtlog "Invalid symbol address"
 315         return
 316     fi
 317
 318
 319     vtKv=$($BUSYBOX_PATH/uname -r)
 320
 321     if [ ! -d /lib/modules/$vtKv ]; then
 322         vtlog "No modules directory found"
 323         return
 324     elif [ -d /lib/modules/$vtKv/kernel/fs ]; then
 325         vtModPath=$($FIND /lib/modules/$vtKv/kernel/fs/ -name "*.ko*" | $HEAD -n1)
 326     else
 327         vtModPath=$($FIND /lib/modules/$vtKv/kernel/ -name "xfs.ko*" | $HEAD -n1)
 328     fi
 329
 330     if [ -z "$vtModPath" ]; then
 331         vtModPath=$($FIND /lib/modules/$vtKv/kernel/ -name "*.ko*" | $HEAD -n1)
 332     fi
 333
 334     vtModName=$($BUSYBOX_PATH/basename $vtModPath)
 335
 336     vtlog "template module is $vtModPath $vtModName"
 337
 338     if [ -z "$vtModPath" ]; then
 339         vtlog "No template module found"
 340         return
 341     elif echo $vtModPath | $GREP -q "[.]ko$"; then
 342         $BUSYBOX_PATH/cp -a $vtModPath  $VTOY_PATH/$vtModName
 343     elif echo $vtModPath | $GREP -q "[.]ko[.]xz$"; then
 344         $BUSYBOX_PATH/xzcat $vtModPath > $VTOY_PATH/$vtModName
 345     elif echo $vtModPath | $GREP -q "[.]ko[.]gz$"; then
 346         $BUSYBOX_PATH/zcat $vtModPath > $VTOY_PATH/$vtModName
 347     else
 348         vtlog "unsupport module type"
 349         return
 350     fi
 351
 352     #step1: modify vermagic/mod crc/relocation
 353     $VTOY_PATH/tool/vtoykmod -u $VTOY_PATH/tool/$vtKoName $VTOY_PATH/$vtModName $vtDebug
 354
 355     #step2: fill parameters
 356     vtPgsize=$($VTOY_PATH/tool/vtoyksym -p)
 357     $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 $vtDebug
 358
 359     $BUSYBOX_PATH/insmod $VTOY_PATH/tool/$vtKoName
 360
 361     if $GREP -q 'dm_patch' /proc/modules; then
 362         echo "done" > $VTOY_PATH/dm_patch_done
 363     fi
 364
 365 }
 366
 367 create_ventoy_device_mapper() {
 368     vtlog "create_ventoy_device_mapper $*"
 369
 370     VT_DM_BIN=$(ventoy_find_bin_path dmsetup)
 371     if [ -z "$VT_DM_BIN" ]; then
 372         vtlog "no dmsetup avaliable, lastly try inbox dmsetup"
 373         VT_DM_BIN=$VTOY_PATH/tool/dmsetup
 374     fi
 375
 376     vtlog "dmsetup avaliable in system $VT_DM_BIN"
 377
 378     if ventoy_check_dm_module "$1"; then
 379         vtlog "device-mapper module check success"
 380     else
 381         vterr "Error: no dm module avaliable"
 382     fi
 383
 384     $VTOY_PATH/tool/vtoydm -p -f $VTOY_PATH/ventoy_image_map -d $1 > $VTOY_PATH/ventoy_dm_table
 385
 386
 387     vtLevel1=$($CAT /proc/sys/kernel/printk | $AWK '{print $1}')
 388     vtLevel2=$($CAT /proc/sys/kernel/printk | $AWK '{print $2}')
 389     vtLevel3=$($CAT /proc/sys/kernel/printk | $AWK '{print $3}')
 390     vtLevel4=$($CAT /proc/sys/kernel/printk | $AWK '{print $4}')
 391     if ventoy_need_dm_patch; then
 392         ventoy_dm_patch
 393         #suppress printk message
 394         echo 0 $vtLevel2 0 $vtLevel4 > /proc/sys/kernel/printk
 395     fi
 396
 397     if [ -z "$2" ]; then
 398         $VT_DM_BIN create ventoy $VTOY_PATH/ventoy_dm_table >>$VTLOG 2>&1
 399     else
 400         $VT_DM_BIN "$2" create ventoy $VTOY_PATH/ventoy_dm_table >>$VTLOG 2>&1
 401     fi
 402
 403     if ventoy_need_dm_patch; then
 404         #recover printk level
 405         echo $vtLevel1 $vtLevel2 $vtLevel3 $vtLevel4 > /proc/sys/kernel/printk
 406     fi
 407 }
 408
 409 create_persistent_device_mapper() {
 410     vtlog "create_persistent_device_mapper $*"
 411
 412     VT_DM_BIN=$(ventoy_find_bin_path dmsetup)
 413     if [ -z "$VT_DM_BIN" ]; then
 414         vtlog "no dmsetup avaliable, lastly try inbox dmsetup"
 415         VT_DM_BIN=$VTOY_PATH/tool/dmsetup
 416     fi
 417
 418     vtlog "dmsetup avaliable in system $VT_DM_BIN"
 419
 420     if ventoy_check_dm_module "$1"; then
 421         vtlog "device-mapper module check success"
 422     else
 423         vterr "Error: no dm module avaliable"
 424     fi
 425
 426     $VTOY_PATH/tool/vtoydm -p -f $VTOY_PATH/ventoy_persistent_map -d $1 > $VTOY_PATH/persistent_dm_table
 427
 428
 429     vtLevel1=$($CAT /proc/sys/kernel/printk | $AWK '{print $1}')
 430     vtLevel2=$($CAT /proc/sys/kernel/printk | $AWK '{print $2}')
 431     vtLevel3=$($CAT /proc/sys/kernel/printk | $AWK '{print $3}')
 432     vtLevel4=$($CAT /proc/sys/kernel/printk | $AWK '{print $4}')
 433     if [ -f $VTOY_PATH/dm_patch_done ]; then
 434         #suppress printk message
 435         echo 0 $vtLevel2 0 $vtLevel4 > /proc/sys/kernel/printk
 436     fi
 437
 438     $VT_DM_BIN create vtoy_persistent $VTOY_PATH/persistent_dm_table >>$VTLOG 2>&1
 439
 440     if [ -f $VTOY_PATH/dm_patch_done ]; then
 441         #recover printk level
 442         echo $vtLevel1 $vtLevel2 $vtLevel3 $vtLevel4 > /proc/sys/kernel/printk
 443     fi
 444 }
 445
 446
 447
 448 wait_for_ventoy_dm_disk_label() {
 449     DM=$($BUSYBOX_PATH/readlink $VTOY_DM_PATH)
 450     vtlog "wait_for_ventoy_dm_disk_label $DM ..."
 451
 452     for i in 0 1 2 3 4 5 6 7 8 9; do
 453         vtlog "i=$i ####### ls /dev/disk/by-label/"
 454         ls -l /dev/disk/by-label/ >> $VTLOG
 455
 456         if ls -l /dev/disk/by-label/ | $GREP -q "$DM"; then
 457             break
 458         else
 459             $SLEEP 1
 460         fi
 461     done
 462 }
 463
 464 install_udeb_pkg() {
 465     if ! [ -e "$1" ]; then
 466         $BUSYBOX_PATH/false
 467         return
 468     fi
 469
 470     if [ -d /tmp/vtoy_udeb ]; then
 471         $BUSYBOX_PATH/rm -rf /tmp/vtoy_udeb
 472     fi
 473
 474     $BUSYBOX_PATH/mkdir -p /tmp/vtoy_udeb
 475     $BUSYBOX_PATH/cp -a "$1" /tmp/vtoy_udeb/
 476
 477     CURDIR=$($BUSYBOX_PATH/pwd)
 478     cd /tmp/vtoy_udeb
 479
 480     $BUSYBOX_PATH/ar x "$1"
 481
 482     if [ -e 'data.tar.gz' ]; then
 483         $BUSYBOX_PATH/tar -xzf data.tar.gz -C /
 484     elif [ -e 'data.tar.xz' ]; then
 485         $BUSYBOX_PATH/tar -xJf data.tar.xz -C /
 486     elif [ -e 'data.tar.bz2' ]; then
 487         $BUSYBOX_PATH/tar -xjf data.tar.bz2 -C /
 488     elif [ -e 'data.tar.lzma' ]; then
 489         $BUSYBOX_PATH/tar -xaf data.tar.lzma -C /
 490     fi
 491
 492     if [ -e 'control.tar.gz' ]; then
 493         $BUSYBOX_PATH/tar -xzf control.tar.gz -C /
 494     elif [ -e 'control.tar.xz' ]; then
 495         $BUSYBOX_PATH/tar -xJf control.tar.xz -C /
 496     elif [ -e 'control.tar.bz2' ]; then
 497         $BUSYBOX_PATH/tar -xjf control.tar.bz2 -C /
 498     elif [ -e 'control.tar.lzma' ]; then
 499         $BUSYBOX_PATH/tar -xaf control.tar.lzma -C /
 500     fi
 501
 502     cd $CURDIR
 503     $BUSYBOX_PATH/rm -rf /tmp/vtoy_udeb
 504     $BUSYBOX_PATH/true
 505 }
 506
 507
 508 install_udeb_from_line() {
 509     vtlog "install_udeb_from_line $1"
 510
 511     if ! [ -b "$2" ]; then
 512         vterr "disk #$2# not exist"
 513         return
 514     fi
 515
 516     sector=$(echo $1 | $AWK '{print $(NF-1)}')
 517     length=$(echo $1 | $AWK '{print $NF}')
 518     vtlog "sector=$sector  length=$length"
 519
 520     $VTOY_PATH/tool/vtoydm -e -f $VTOY_PATH/ventoy_image_map -d ${2} -s $sector -l $length -o /tmp/xxx.udeb
 521     if [ -e /tmp/xxx.udeb ]; then
 522         vtlog "extract udeb file from iso success"
 523     else
 524         vterr "extract udeb file from iso fail"
 525         return
 526     fi
 527
 528     install_udeb_pkg /tmp/xxx.udeb
 529     $BUSYBOX_PATH/rm -f /tmp/xxx.udeb
 530 }
 531
 532 extract_file_from_line() {
 533     vtlog "extract_file_from_line $1 disk=#$2#"
 534     if ! [ -b "$2" ]; then
 535         vterr "disk #$2# not exist"
 536         return
 537     fi
 538
 539     sector=$(echo $1 | $AWK '{print $(NF-1)}')
 540     length=$(echo $1 | $AWK '{print $NF}')
 541     vtlog "sector=$sector  length=$length"
 542
 543     $VTOY_PATH/tool/vtoydm -e -f $VTOY_PATH/ventoy_image_map -d ${2} -s $sector -l $length -o $3
 544     if [ -e $3 ]; then
 545         vtlog "extract file from iso success"
 546         $BUSYBOX_PATH/true
 547     else
 548         vterr "extract file from iso fail"
 549         $BUSYBOX_PATH/false
 550     fi
 551 }
 552
 553 extract_rpm_from_line() {
 554     vtlog "extract_rpm_from_line $1 disk=#$2#"
 555
 556     if ! [ -b "$2" ]; then
 557         vterr "disk #$2# not exist"
 558         return
 559     fi
 560
 561     sector=$(echo $1 | $AWK '{print $(NF-1)}')
 562     length=$(echo $1 | $AWK '{print $NF}')
 563     vtlog "sector=$sector  length=$length"
 564
 565     $VTOY_PATH/tool/vtoydm -e -f $VTOY_PATH/ventoy_image_map -d ${2} -s $sector -l $length -o /tmp/xxx.rpm
 566     if [ -e /tmp/xxx.rpm ]; then
 567         vtlog "extract rpm file from iso success"
 568     else
 569         vterr "extract rpm file from iso fail"
 570         return
 571     fi
 572
 573     CURPWD=$($BUSYBOX_PATH/pwd)
 574
 575     $BUSYBOX_PATH/mkdir -p $VTOY_PATH/rpm
 576     cd $VTOY_PATH/rpm
 577     vtlog "extract rpm..."
 578     $BUSYBOX_PATH/rpm2cpio /tmp/xxx.rpm | $BUSYBOX_PATH/cpio -idm 2>>$VTLOG
 579     cd $CURPWD
 580
 581     $BUSYBOX_PATH/rm -f /tmp/xxx.rpm
 582 }
 583
 584 install_rpm_from_line() {
 585     vtlog "install_rpm_from_line $1 disk=#$2#"
 586
 587     if ! [ -b "$2" ]; then
 588         vterr "disk #$2# not exist"
 589         return
 590     fi
 591
 592     sector=$(echo $1 | $AWK '{print $(NF-1)}')
 593     length=$(echo $1 | $AWK '{print $NF}')
 594     vtlog "sector=$sector  length=$length"
 595
 596     $VTOY_PATH/tool/vtoydm -e -f $VTOY_PATH/ventoy_image_map -d ${2} -s $sector -l $length -o /tmp/xxx.rpm
 597     if [ -e /tmp/xxx.rpm ]; then
 598         vtlog "extract rpm file from iso success"
 599     else
 600         vterr "extract rpm file from iso fail"
 601         return
 602     fi
 603
 604     CURPWD=$($BUSYBOX_PATH/pwd)
 605
 606     cd /
 607     vtlog "install rpm..."
 608     $BUSYBOX_PATH/rpm2cpio /tmp/xxx.rpm | $BUSYBOX_PATH/cpio -idm 2>>$VTLOG
 609     cd $CURPWD
 610
 611     $BUSYBOX_PATH/rm -f /tmp/xxx.rpm
 612 }
 613
 614 dump_whole_iso_file() {
 615    $VTOY_PATH/tool/vtoydm -p -f $VTOY_PATH/ventoy_image_map -d $usb_disk | while read vtline; do
 616         vtlog "dmtable line: $vtline"
 617         vtcount=$(echo $vtline | $AWK '{print $2}')
 618         vtoffset=$(echo $vtline | $AWK '{print $NF}')
 619         $BUSYBOX_PATH/dd if=$usb_disk of="$1" bs=512 count=$vtcount skip=$vtoffset oflag=append conv=notrunc
 620     done
 621 }
 622
 623 ventoy_copy_device_mapper() {
 624     if [ -L $VTOY_DM_PATH ]; then
 625         vtlog "replace block device link $1..."
 626         $BUSYBOX_PATH/mv "$1" $VTOY_PATH/dev_backup_${1#/dev/}
 627         VT_MAPPER_LINK=$($BUSYBOX_PATH/readlink $VTOY_DM_PATH)
 628         $BUSYBOX_PATH/cp -a "/dev/mapper/$VT_MAPPER_LINK" "$1"
 629     elif [ -b $VTOY_DM_PATH ]; then
 630         vtlog "replace block device $1..."
 631         $BUSYBOX_PATH/mv "$1" $VTOY_PATH/dev_backup_${1#/dev/}
 632         $BUSYBOX_PATH/cp -a "$VTOY_DM_PATH" "$1"
 633     else
 634
 635         vtlog "$VTOY_DM_PATH not exist, now check /dev/dm-X ..."
 636         VT_DM_BIN=$(ventoy_find_bin_path dmsetup)
 637         if [ -z "$VT_DM_BIN" ]; then
 638             vtlog "no dmsetup avaliable, lastly try inbox dmsetup"
 639             VT_DM_BIN=$VTOY_PATH/tool/dmsetup
 640         fi
 641
 642         DM_VT_ID=$($VT_DM_BIN ls | $GREP ventoy | $SED 's/.*(\([0-9][0-9]*\),.*\([0-9][0-9]*\).*/\1 \2/')
 643         vtlog "DM_VT_ID=$DM_VT_ID ..."
 644         $BUSYBOX_PATH/mv "$1" $VTOY_PATH/dev_backup_${1#/dev/}
 645         $BUSYBOX_PATH/mknod -m 0666 "$1" b $DM_VT_ID
 646     fi
 647 }
 648
 649 # create link for device-mapper
 650 ventoy_create_persistent_link() {
 651     blkdev_num=$($VTOY_PATH/tool/dmsetup ls | grep vtoy_persistent | sed 's/.*(\([0-9][0-9]*\),.*\([0-9][0-9]*\).*/\1:\2/')
 652     vtDM=$(ventoy_find_dm_id ${blkdev_num})
 653
 654     if ! [ -d /dev/disk/by-label ]; then
 655         mkdir -p /dev/disk/by-label
 656     fi
 657
 658     VTLABEL=$($BUSYBOX_PATH/blkid /dev/$vtDM | $SED 's/.*LABEL="\([^"]*\)".*/\1/')
 659     if [ -z "$VTLABEL" ]; then
 660         VTLABEL=casper-rw
 661     fi
 662
 663     vtlog "Persistent Label: ##${VTLABEL}##"
 664
 665     if ! [ -e /dev/disk/by-label/$VTLABEL ]; then
 666         vtOldDir=$PWD
 667         cd /dev/disk/by-label
 668         ln -s ../../$vtDM $VTLABEL
 669         cd $vtOldDir
 670     fi
 671 }
 672
 673 ventoy_partname_to_diskname() {
 674     if echo $1 | $EGREP -q "nvme.*p[0-9]$|mmc.*p[0-9]$|nbd.*p[0-9]$"; then
 675         echo -n "${1:0:-2}"
 676     else
 677         echo -n "${1:0:-1}"
 678     fi
 679 }
 680
 681 ventoy_diskname_to_partname() {
 682     if echo $1 | $EGREP -q "nvme.*p[0-9]$|mmc.*p[0-9]$|nbd.*p[0-9]$"; then
 683         echo -n "${1}p$2"
 684     else
 685         echo -n "${1}$2"
 686     fi
 687 }
 688
 689 ventoy_udev_disk_common_hook() {
 690     if echo $1 | $EGREP -q "nvme.*p[0-9]$|mmc.*p[0-9]$|nbd.*p[0-9]$"; then
 691         VTDISK="${1:0:-2}"
 692     else
 693         VTDISK="${1:0:-1}"
 694     fi
 695
 696     if [ -e /vtoy/vtoy ]; then
 697         VTRWMOD=""
 698     else
 699         VTRWMOD="--readonly"
 700     fi
 701
 702     # create device mapper for iso image file
 703     if create_ventoy_device_mapper "/dev/$VTDISK" $VTRWMOD; then
 704         vtlog "==== create ventoy device mapper success ===="
 705     else
 706         vtlog "==== create ventoy device mapper failed ===="
 707
 708         $SLEEP 3
 709
 710         if $GREP -q "/dev/$VTDISK" /proc/mounts; then
 711             $GREP "/dev/$VTDISK" /proc/mounts | while read vtLine; do
 712                 vtPart=$(echo $vtLine | $AWK '{print $1}')
 713                 vtMnt=$(echo $vtLine | $AWK '{print $2}')
 714                 vtlog "$vtPart is mounted on $vtMnt  now umount it ..."
 715                 $BUSYBOX_PATH/umount $vtMnt
 716             done
 717         fi
 718
 719         if create_ventoy_device_mapper "/dev/$VTDISK" $VTRWMOD; then
 720             vtlog "==== create ventoy device mapper success after retry ===="
 721         else
 722             vtlog "==== create ventoy device mapper failed after retry ===="
 723             return
 724         fi
 725     fi
 726
 727     if [ "$2" = "noreplace" ]; then
 728         vtlog "no need to replace block device"
 729     else
 730         ventoy_copy_device_mapper "/dev/$1"
 731     fi
 732
 733     if [ -f $VTOY_PATH/ventoy_persistent_map ]; then
 734         create_persistent_device_mapper "/dev/$VTDISK"
 735         ventoy_create_persistent_link
 736     fi
 737
 738     if $GREP -q 'dm_patch' /proc/modules; then
 739         $BUSYBOX_PATH/rmmod dm_patch
 740     fi
 741 }
 742
 743 ventoy_create_dev_ventoy_part() {
 744     blkdev_num=$($VTOY_PATH/tool/dmsetup ls | $GREP ventoy | $SED 's/.*(\([0-9][0-9]*\),.*\([0-9][0-9]*\).*/\1 \2/')
 745     $BUSYBOX_PATH/mknod -m 0666 /dev/ventoy b $blkdev_num
 746
 747     if [ -e /vtoy_dm_table ]; then
 748         vtPartid=1
 749
 750         vtLevel1=$($CAT /proc/sys/kernel/printk | $AWK '{print $1}')
 751         vtLevel2=$($CAT /proc/sys/kernel/printk | $AWK '{print $2}')
 752         vtLevel3=$($CAT /proc/sys/kernel/printk | $AWK '{print $3}')
 753         vtLevel4=$($CAT /proc/sys/kernel/printk | $AWK '{print $4}')
 754         if [ -f $VTOY_PATH/dm_patch_done ]; then
 755             #suppress printk message
 756             echo 0 $vtLevel2 0 $vtLevel4 > /proc/sys/kernel/printk
 757         fi
 758
 759         $CAT /vtoy_dm_table | while read vtline; do
 760             echo $vtline > /ventoy/dm_table_part${vtPartid}
 761             $VTOY_PATH/tool/dmsetup create ventoy${vtPartid} /ventoy/dm_table_part${vtPartid}
 762
 763             blkdev_num=$($VTOY_PATH/tool/dmsetup ls | $GREP ventoy${vtPartid} | $SED 's/.*(\([0-9][0-9]*\),.*\([0-9][0-9]*\).*/\1 \2/')
 764             $BUSYBOX_PATH/mknod -m 0666 /dev/ventoy${vtPartid} b $blkdev_num
 765
 766             vtPartid=$(expr $vtPartid + 1)
 767         done
 768
 769         if [ -f $VTOY_PATH/dm_patch_done ]; then
 770             #recover printk level
 771             echo $vtLevel1 $vtLevel2 $vtLevel3 $vtLevel4 > /proc/sys/kernel/printk
 772         fi
 773     fi
 774 }
 775
 776
 777 ventoy_create_chromeos_ventoy_part() {
 778     blkdev_num=$($VTOY_PATH/tool/dmsetup ls | $GREP ventoy | $SED 's/.*(\([0-9][0-9]*\),.*\([0-9][0-9]*\).*/\1 \2/')
 779     $BUSYBOX_PATH/mknod -m 0666 /dev/ventoy b $blkdev_num
 780
 781     if [ -e /vtoy_dm_table ]; then
 782         vtPartid=1
 783
 784         $CAT /vtoy_dm_table | while read vtline; do
 785             echo $vtline > /ventoy/dm_table_part${vtPartid}
 786
 787             if [ $vtPartid -eq $1 ]; then
 788                 $VTOY_PATH/tool/dmsetup create ventoy${vtPartid} /ventoy/dm_table_part${vtPartid} --readonly
 789             else
 790                 $VTOY_PATH/tool/dmsetup create ventoy${vtPartid} /ventoy/dm_table_part${vtPartid}
 791             fi
 792
 793             blkdev_num=$($VTOY_PATH/tool/dmsetup ls | $GREP ventoy${vtPartid} | $SED 's/.*(\([0-9][0-9]*\),.*\([0-9][0-9]*\).*/\1 \2/')
 794             $BUSYBOX_PATH/mknod -m 0666 /dev/ventoy${vtPartid} b $blkdev_num
 795
 796             vtPartid=$(expr $vtPartid + 1)
 797         done
 798     fi
 799 }
 800
 801 is_inotify_ventoy_part() {
 802     if echo $1 | $GREP -q "2$"; then
 803         if ! [ -e /sys/block/$1 ]; then
 804             if [ -e /sys/class/block/$1 ]; then
 805                 if echo $1 | $EGREP -q "nvme|mmc|nbd"; then
 806                     vtShortName=${1:0:-2}
 807                 else
 808                     vtShortName=${1:0:-1}
 809                 fi
 810
 811                 if [ -e /dev/$vtShortName ]; then
 812                     if [ "$VTOY_VLNK_BOOT" = "01" ]; then
 813                         vtOrgDiskName=$($VTOY_PATH/tool/vtoydump -t $VTOY_PATH/ventoy_os_param)
 814                         [ "$vtOrgDiskName" = "/dev/$vtShortName" ]
 815                     else
 816                         $VTOY_PATH/tool/vtoydump -f $VTOY_PATH/ventoy_os_param -c $vtShortName
 817                     fi
 818                     return
 819                 fi
 820             fi
 821         fi
 822     fi
 823
 824     [ "1" = "0" ]
 825 }
 826
 827 ventoy_find_dm_id() {
 828     for vt in $($BUSYBOX_PATH/ls /sys/block/); do
 829         if [ "${vt:0:3}" = "dm-" ]; then
 830             vtMajorMinor=$($CAT /sys/block/$vt/dev)
 831             if [ "$vtMajorMinor" = "$1" ]; then
 832                 echo ${vt}
 833                 return
 834             fi
 835         fi
 836     done
 837     echo 'xx'
 838 }
 839
 840 ventoy_swap_device() {
 841     mv $1 $VTOY_PATH/swap_tmp_dev
 842     mv $2 $1
 843     mv $VTOY_PATH/swap_tmp_dev $2
 844 }
 845
 846 ventoy_extract_vtloopex() {
 847     vtCurPwd=$PWD
 848     $BUSYBOX_PATH/mkdir -p $VTOY_PATH/partmnt $VTOY_PATH/vtloopex
 849     $BUSYBOX_PATH/mount -o ro -t vfat $1  $VTOY_PATH/partmnt
 850     cd $VTOY_PATH/vtloopex
 851     $CAT $VTOY_PATH/partmnt/ventoy/vtloopex.cpio | $BUSYBOX_PATH/cpio -idm >> $VTLOG 2>&1
 852     $BUSYBOX_PATH/umount $VTOY_PATH/partmnt
 853     $BUSYBOX_PATH/rm -rf $VTOY_PATH/partmnt
 854
 855     if [ -n "$2" ]; then
 856         cd $VTOY_PATH/vtloopex/$2/
 857         $BUSYBOX_PATH/tar -xJf vtloopex.tar.xz
 858     fi
 859
 860     cd $vtCurPwd
 861 }
 862
 863 ventoy_check_install_module_xz() {
 864     if [ -f "${1}.xz" ]; then
 865         $BUSYBOX_PATH/xz -d  "${1}.xz"
 866         $BUSYBOX_PATH/insmod "$1"
 867     fi
 868 }