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 "insmod $vtline "
 213             $BUSYBOX_PATH/insmod $vtline >>$VTLOG 2>&1
 214             if [ $? -eq 0 ]; then
 215                 vtlog "insmod success"
 216             else
 217                 vtlog "insmod failed, try decompress"
 218                 if echo $vtline | $GREP -q "\.zst"; then
 219                     $VTOY_PATH/tool/zstdcat $vtline > $VTOY_PATH/extract_dm_mod.ko
 220                     $BUSYBOX_PATH/insmod $VTOY_PATH/extract_dm_mod.ko >>$VTLOG 2>&1
 221                 fi
 222             fi
 223         done
 224     fi
 225
 226     if $GREP -q 'device-mapper' /proc/devices; then
 227         vtlog "device-mapper found in /proc/devices after retry"
 228         $BUSYBOX_PATH/true; return
 229     else
 230         vtlog "device-mapper still NOT found in /proc/devices after retry"
 231         $BUSYBOX_PATH/false; return
 232     fi
 233 }
 234
 235 ventoy_need_proc_ibt() {
 236     vtKv=$($BUSYBOX_PATH/uname -r)
 237     vtMajor=$(echo $vtKv | $AWK -F. '{print $1}')
 238     vtMinor=$(echo $vtKv | $AWK -F. '{print $2}')
 239
 240     #ibt was supported since linux kernel 5.18
 241     if [ $vtMajor -lt 5 ]; then
 242         $BUSYBOX_PATH/false; return
 243     elif [ $vtMajor -eq 5 ]; then
 244         if [ $vtMajor -lt 18 ]; then
 245             $BUSYBOX_PATH/false; return
 246         fi
 247     fi
 248
 249     if $GREP -q ' ibt=off' /proc/cmdline; then
 250         $BUSYBOX_PATH/false; return
 251     fi
 252
 253     #hardware CPU doesn't support IBT
 254     if $VTOY_PATH/tool/vtoykmod -I; then
 255         :
 256     else
 257         $BUSYBOX_PATH/false; return
 258     fi
 259
 260     #dot.CONFIG not enabled
 261     if $GREP -q ' ibt_restore$' /proc/kallsyms; then
 262         :
 263     else
 264         $BUSYBOX_PATH/false; return
 265     fi
 266
 267     $BUSYBOX_PATH/true
 268 }
 269
 270
 271 ventoy_need_dm_patch() {
 272     if [ "$VTOY_LINUX_REMOUNT" != "01" ]; then
 273         if $GREP -q 'VTOY_LINUX_REMOUNT=1' /proc/cmdline; then
 274             :
 275         else
 276             $BUSYBOX_PATH/false; return
 277         fi
 278     fi
 279
 280     if $GREP -q 'device-mapper' /proc/devices; then
 281         :
 282     else
 283         $BUSYBOX_PATH/false; return
 284     fi
 285
 286     if $GREP -q 'dm_patch' /proc/modules; then
 287         $BUSYBOX_PATH/false; return
 288     fi
 289
 290     vtMajorVer=$($BUSYBOX_PATH/uname -r | $AWK -F. '{print $1}')
 291     vtMinorVer=$($BUSYBOX_PATH/uname -r | $AWK -F. '{print $2}')
 292
 293     if [ $vtMajorVer -lt 3 ]; then
 294         $BUSYBOX_PATH/false; return
 295     elif [ $vtMajorVer -eq 3 -a $vtMinorVer -lt 10 ]; then
 296         $BUSYBOX_PATH/false; return
 297     fi
 298
 299
 300     $BUSYBOX_PATH/true
 301 }
 302
 303 ventoy_dm_patch() {
 304     vtDmPatchDebug=0
 305     vtMType=$($BUSYBOX_PATH/uname -m)
 306
 307     vtlog "######### ventoy_dm_patch ############"
 308
 309     if echo $vtMType | $EGREP -i -q "x86.64|amd64"; then
 310         vtKoName=dm_patch_64.ko
 311     elif echo $vtMType | $EGREP -i -q "i[3-6]86"; then
 312         vtKoName=dm_patch_32.ko
 313     else
 314         vtlog "unsupported machine type $vtMType"
 315         return
 316     fi
 317
 318     if ventoy_need_proc_ibt; then
 319         vtlog "need to proc IBT"
 320         vtKoName=dm_patch_ibt_64.ko
 321         vtIBT='0x8888'
 322     else
 323         vtlog "NO need to proc IBT"
 324         vtIBT='0'
 325     fi
 326
 327
 328     if [ -f $VTOY_PATH/tool/$vtKoName ]; then
 329         vtlog "/ventoy/tool/$vtKoName exist OK"
 330     else
 331         vtlog "/ventoy/tool/$vtKoName NOT exist"
 332         return
 333     fi
 334
 335     $CAT /proc/kallsyms | $BUSYBOX_PATH/sort > $VTOY_PATH/kallsyms
 336
 337     if $GREP -m1 -q 'open_table_device.isra' $VTOY_PATH/kallsyms; then
 338         vtLine=$($VTOY_PATH/tool/vtoyksym open_table_device.isra $VTOY_PATH/kallsyms)
 339         vtlog "get open_table_device.isra address $vtLine"
 340     else
 341         vtLine=$($VTOY_PATH/tool/vtoyksym dm_get_table_device $VTOY_PATH/kallsyms)
 342         vtlog "get dm_get_table_device address $vtLine"
 343     fi
 344     get_addr=$(echo $vtLine | $AWK '{print $1}')
 345     get_size=$(echo $vtLine | $AWK '{print $2}')
 346
 347     vtLine=$($VTOY_PATH/tool/vtoyksym blkdev_get_by_dev $VTOY_PATH/kallsyms)
 348     vtlog "get blkdev_get_by_dev address $vtLine"
 349     blkdev_get_addr=$(echo $vtLine | $AWK '{print $1}')
 350
 351     vtLine=$($VTOY_PATH/tool/vtoyksym blkdev_put $VTOY_PATH/kallsyms)
 352     vtlog "get blkdev_put address $vtLine"
 353     blkdev_put_addr=$(echo $vtLine | $AWK '{print $1}')
 354
 355     vtLine=$($VTOY_PATH/tool/vtoyksym bdev_open_by_dev $VTOY_PATH/kallsyms)
 356     vtlog "get bdev_open_by_dev address $vtLine"
 357     bdev_open_addr=$(echo $vtLine | $AWK '{print $1}')
 358
 359
 360     if $GREP -m1 -q 'close_table_device.isra' $VTOY_PATH/kallsyms; then
 361         vtLine=$($VTOY_PATH/tool/vtoyksym close_table_device.isra $VTOY_PATH/kallsyms)
 362         vtlog "get close_table_device.isra address $vtLine"
 363     else
 364         vtLine=$($VTOY_PATH/tool/vtoyksym dm_put_table_device $VTOY_PATH/kallsyms)
 365         vtlog "get dm_put_table_device address $vtLine"
 366     fi
 367     put_addr=$(echo $vtLine | $AWK '{print $1}')
 368     put_size=$(echo $vtLine | $AWK '{print $2}')
 369
 370     ro_addr=$($GREP ' set_memory_ro$' /proc/kallsyms | $AWK '{print $1}')
 371     rw_addr=$($GREP ' set_memory_rw$' /proc/kallsyms | $AWK '{print $1}')
 372     kprobe_reg_addr=$($GREP ' register_kprobe$' /proc/kallsyms | $AWK '{print $1}')
 373     kprobe_unreg_addr=$($GREP ' unregister_kprobe$' /proc/kallsyms | $AWK '{print $1}')
 374
 375     if [ "$VTOY_DEBUG_LEVEL" = "01" ]; then
 376         vtDmPatchDebug=1
 377     fi
 378
 379     if $GREP -q 'dmpatch_debug' /proc/cmdline; then
 380         vtDmPatchDebug=1
 381     fi
 382
 383
 384     if [ $vtDmPatchDebug -eq 1 ]; then
 385         printk_addr=$($GREP ' printk$' /proc/kallsyms | $AWK '{print $1}')
 386         if [ -z "$printk_addr" ]; then
 387             printk_addr=$($GREP ' _printk$' /proc/kallsyms | $AWK '{print $1}')
 388         fi
 389         vtDebug="-v"
 390     else
 391         printk_addr=0
 392     fi
 393
 394     #printk_addr=$($GREP ' printk$' /proc/kallsyms | $AWK '{print $1}')
 395     #vtDebug="-v"
 396
 397     vtlog get_addr=$get_addr  get_size=$get_size
 398     vtlog put_addr=$put_addr  put_size=$put_size
 399     vtlog blkdev_get_addr=$blkdev_get_addr blkdev_put_addr=$blkdev_put_addr
 400     vtlog kprobe_reg_addr=$kprobe_reg_addr  kprobe_unreg_addr=$kprobe_unreg_addr
 401     vtlog ro_addr=$ro_addr  rw_addr=$rw_addr  printk_addr=$printk_addr bdev_open_addr=$bdev_open_addr
 402
 403     if [ "$get_addr" = "0" -o "$put_addr" = "0" ]; then
 404         vtlog "Invalid symbol address"
 405         return
 406     fi
 407     if [ "$ro_addr" = "0" -o "$rw_addr" = "0" ]; then
 408         vtlog "Invalid symbol address"
 409         return
 410     fi
 411
 412
 413     vtKv=$($BUSYBOX_PATH/uname -r)
 414     vtKVMajor=$(echo $vtKv | $AWK -F. '{print $1}')
 415     vtKVMinor=$(echo $vtKv | $AWK -F. '{print $2}')
 416     vtKVSubMinor=$(echo $vtKv | $AWK -F. '{print $3}')
 417
 418     if [ ! -d /lib/modules/$vtKv ]; then
 419         vtlog "No modules directory found"
 420         return
 421     elif [ -d /lib/modules/$vtKv/kernel/fs ]; then
 422         vtModPath=$($FIND /lib/modules/$vtKv/kernel/fs/ -name "*.ko*" | $HEAD -n1)
 423     elif [ -d /lib/modules/$vtKv/kernel ]; then
 424         vtModPath=$($FIND /lib/modules/$vtKv/kernel/ -name "xfs.ko*" | $HEAD -n1)
 425     elif [ -d /lib/modules/$vtKv/initrd ]; then
 426         vtModPath=$($FIND /lib/modules/$vtKv/initrd/ -name "xfs.ko*" | $HEAD -n1)
 427     fi
 428
 429
 430     if [ -z "$vtModPath" ]; then
 431         vtModPath=$($FIND /lib/modules/$vtKv/ -name "*.ko*" | $HEAD -n1)
 432     fi
 433
 434     vtModName=$($BUSYBOX_PATH/basename $vtModPath)
 435
 436     vtlog "template module is $vtModPath $vtModName"
 437
 438     if [ -z "$vtModPath" ]; then
 439         vtlog "No template module found"
 440         return
 441     elif echo $vtModPath | $GREP -q "[.]ko$"; then
 442         $BUSYBOX_PATH/cp -a $vtModPath  $VTOY_PATH/$vtModName
 443     elif echo $vtModPath | $GREP -q "[.]ko[.]xz$"; then
 444         $BUSYBOX_PATH/xzcat $vtModPath > $VTOY_PATH/$vtModName
 445     elif echo $vtModPath | $GREP -q "[.]ko[.]gz$"; then
 446         $BUSYBOX_PATH/zcat $vtModPath > $VTOY_PATH/$vtModName
 447     elif echo $vtModPath | $GREP -q "[.]ko[.]zst$"; then
 448         $VTOY_PATH/tool/zstdcat $vtModPath > $VTOY_PATH/$vtModName
 449     else
 450         vtlog "unsupport module type"
 451         return
 452     fi
 453
 454
 455
 456     #step1: modify vermagic/mod crc/relocation
 457     vtlog "$VTOY_PATH/tool/vtoykmod -u $vtKVMajor $vtKVMinor $VTOY_PATH/tool/$vtKoName $VTOY_PATH/$vtModName $vtDebug"
 458     $VTOY_PATH/tool/vtoykmod -u $vtKVMajor $vtKVMinor $VTOY_PATH/tool/$vtKoName $VTOY_PATH/$vtModName $vtDebug >>$VTLOG 2>&1
 459
 460     #step2: fill parameters
 461     vtPgsize=$($VTOY_PATH/tool/vtoyksym -p)
 462
 463     vtPrams="$VTOY_PATH/tool/$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 $vtKVMajor $vtIBT $vtKVMinor $blkdev_get_addr $blkdev_put_addr $vtKVSubMinor $bdev_open_addr  $vtDebug"
 464
 465
 466     vtlog "$VTOY_PATH/tool/vtoykmod -f $vtPrams"
 467     $VTOY_PATH/tool/vtoykmod -f $vtPrams >>$VTLOG 2>&1
 468
 469
 470     vtlog "insmod $VTOY_PATH/tool/$vtKoName"
 471     $BUSYBOX_PATH/insmod $VTOY_PATH/tool/$vtKoName  >>$VTLOG 2>&1
 472
 473     if $GREP -q 'dm_patch' /proc/modules; then
 474         vtlog "dm_patch module OK"
 475         echo "done" > $VTOY_PATH/dm_patch_done
 476     else
 477         vtlog "dm_patch module FAILED"
 478     fi
 479
 480 }
 481
 482 create_ventoy_device_mapper() {
 483     vtlog "create_ventoy_device_mapper $*"
 484
 485     VT_DM_BIN=$(ventoy_find_bin_path dmsetup)
 486     if [ -z "$VT_DM_BIN" ]; then
 487         vtlog "no dmsetup avaliable, lastly try inbox dmsetup"
 488         VT_DM_BIN=$VTOY_PATH/tool/dmsetup
 489     fi
 490
 491     vtlog "dmsetup avaliable in system $VT_DM_BIN"
 492
 493     if ventoy_check_dm_module "$1"; then
 494         vtlog "device-mapper module check success"
 495     else
 496         vterr "Error: no dm module avaliable"
 497     fi
 498
 499     $VTOY_PATH/tool/vtoydm -p -f $VTOY_PATH/ventoy_image_map -d $1 > $VTOY_PATH/ventoy_dm_table
 500
 501
 502     vtLevel1=$($CAT /proc/sys/kernel/printk | $AWK '{print $1}')
 503     vtLevel2=$($CAT /proc/sys/kernel/printk | $AWK '{print $2}')
 504     vtLevel3=$($CAT /proc/sys/kernel/printk | $AWK '{print $3}')
 505     vtLevel4=$($CAT /proc/sys/kernel/printk | $AWK '{print $4}')
 506     if ventoy_need_dm_patch; then
 507         ventoy_dm_patch
 508         #suppress printk message
 509         echo 0 $vtLevel2 0 $vtLevel4 > /proc/sys/kernel/printk
 510     fi
 511
 512     if [ -z "$2" ]; then
 513         $VT_DM_BIN create ventoy $VTOY_PATH/ventoy_dm_table >>$VTLOG 2>&1
 514     else
 515         $VT_DM_BIN "$2" create ventoy $VTOY_PATH/ventoy_dm_table >>$VTLOG 2>&1
 516     fi
 517
 518     if ventoy_need_dm_patch; then
 519         #recover printk level
 520         echo $vtLevel1 $vtLevel2 $vtLevel3 $vtLevel4 > /proc/sys/kernel/printk
 521     fi
 522 }
 523
 524 create_persistent_device_mapper() {
 525     vtlog "create_persistent_device_mapper $*"
 526
 527     VT_DM_BIN=$(ventoy_find_bin_path dmsetup)
 528     if [ -z "$VT_DM_BIN" ]; then
 529         vtlog "no dmsetup avaliable, lastly try inbox dmsetup"
 530         VT_DM_BIN=$VTOY_PATH/tool/dmsetup
 531     fi
 532
 533     vtlog "dmsetup avaliable in system $VT_DM_BIN"
 534
 535     if ventoy_check_dm_module "$1"; then
 536         vtlog "device-mapper module check success"
 537     else
 538         vterr "Error: no dm module avaliable"
 539     fi
 540
 541     $VTOY_PATH/tool/vtoydm -p -f $VTOY_PATH/ventoy_persistent_map -d $1 > $VTOY_PATH/persistent_dm_table
 542
 543
 544     vtLevel1=$($CAT /proc/sys/kernel/printk | $AWK '{print $1}')
 545     vtLevel2=$($CAT /proc/sys/kernel/printk | $AWK '{print $2}')
 546     vtLevel3=$($CAT /proc/sys/kernel/printk | $AWK '{print $3}')
 547     vtLevel4=$($CAT /proc/sys/kernel/printk | $AWK '{print $4}')
 548     if [ -f $VTOY_PATH/dm_patch_done ]; then
 549         #suppress printk message
 550         echo 0 $vtLevel2 0 $vtLevel4 > /proc/sys/kernel/printk
 551     fi
 552
 553     $VT_DM_BIN create vtoy_persistent $VTOY_PATH/persistent_dm_table >>$VTLOG 2>&1
 554
 555     if [ -f $VTOY_PATH/dm_patch_done ]; then
 556         #recover printk level
 557         echo $vtLevel1 $vtLevel2 $vtLevel3 $vtLevel4 > /proc/sys/kernel/printk
 558     fi
 559 }
 560
 561
 562
 563 wait_for_ventoy_dm_disk_label() {
 564     DM=$($BUSYBOX_PATH/readlink $VTOY_DM_PATH)
 565     vtlog "wait_for_ventoy_dm_disk_label $DM ..."
 566
 567     for i in 0 1 2 3 4 5 6 7 8 9; do
 568         vtlog "i=$i ####### ls /dev/disk/by-label/"
 569         ls -l /dev/disk/by-label/ >> $VTLOG
 570
 571         if ls -l /dev/disk/by-label/ | $GREP -q "$DM"; then
 572             break
 573         else
 574             $SLEEP 1
 575         fi
 576     done
 577 }
 578
 579 install_udeb_pkg() {
 580     if ! [ -e "$1" ]; then
 581         $BUSYBOX_PATH/false
 582         return
 583     fi
 584
 585     if [ -d /tmp/vtoy_udeb ]; then
 586         $BUSYBOX_PATH/rm -rf /tmp/vtoy_udeb
 587     fi
 588
 589     $BUSYBOX_PATH/mkdir -p /tmp/vtoy_udeb
 590     $BUSYBOX_PATH/cp -a "$1" /tmp/vtoy_udeb/
 591
 592     CURDIR=$($BUSYBOX_PATH/pwd)
 593     cd /tmp/vtoy_udeb
 594
 595     $BUSYBOX_PATH/ar x "$1"
 596
 597     if [ -e 'data.tar.gz' ]; then
 598         $BUSYBOX_PATH/tar -xzf data.tar.gz -C /
 599     elif [ -e 'data.tar.xz' ]; then
 600         $BUSYBOX_PATH/tar -xJf data.tar.xz -C /
 601     elif [ -e 'data.tar.bz2' ]; then
 602         $BUSYBOX_PATH/tar -xjf data.tar.bz2 -C /
 603     elif [ -e 'data.tar.lzma' ]; then
 604         $BUSYBOX_PATH/tar -xaf data.tar.lzma -C /
 605     fi
 606
 607     if [ -e 'control.tar.gz' ]; then
 608         $BUSYBOX_PATH/tar -xzf control.tar.gz -C /
 609     elif [ -e 'control.tar.xz' ]; then
 610         $BUSYBOX_PATH/tar -xJf control.tar.xz -C /
 611     elif [ -e 'control.tar.bz2' ]; then
 612         $BUSYBOX_PATH/tar -xjf control.tar.bz2 -C /
 613     elif [ -e 'control.tar.lzma' ]; then
 614         $BUSYBOX_PATH/tar -xaf control.tar.lzma -C /
 615     fi
 616
 617     cd $CURDIR
 618     $BUSYBOX_PATH/rm -rf /tmp/vtoy_udeb
 619     $BUSYBOX_PATH/true
 620 }
 621
 622
 623 install_udeb_from_line() {
 624     vtlog "install_udeb_from_line $1"
 625
 626     if ! [ -b "$2" ]; then
 627         vterr "disk #$2# not exist"
 628         return
 629     fi
 630
 631     sector=$(echo $1 | $AWK '{print $(NF-1)}')
 632     length=$(echo $1 | $AWK '{print $NF}')
 633     vtlog "sector=$sector  length=$length"
 634
 635     $VTOY_PATH/tool/vtoydm -e -f $VTOY_PATH/ventoy_image_map -d ${2} -s $sector -l $length -o /tmp/xxx.udeb
 636     if [ -e /tmp/xxx.udeb ]; then
 637         vtlog "extract udeb file from iso success"
 638     else
 639         vterr "extract udeb file from iso fail"
 640         return
 641     fi
 642
 643     install_udeb_pkg /tmp/xxx.udeb
 644     $BUSYBOX_PATH/rm -f /tmp/xxx.udeb
 645 }
 646
 647 extract_file_from_line() {
 648     vtlog "extract_file_from_line $1 disk=#$2#"
 649     if ! [ -b "$2" ]; then
 650         vterr "disk #$2# not exist"
 651         return
 652     fi
 653
 654     sector=$(echo $1 | $AWK '{print $(NF-1)}')
 655     length=$(echo $1 | $AWK '{print $NF}')
 656     vtlog "sector=$sector  length=$length"
 657
 658     $VTOY_PATH/tool/vtoydm -e -f $VTOY_PATH/ventoy_image_map -d ${2} -s $sector -l $length -o $3
 659     if [ -e $3 ]; then
 660         vtlog "extract file from iso success"
 661         $BUSYBOX_PATH/true
 662     else
 663         vterr "extract file from iso fail"
 664         $BUSYBOX_PATH/false
 665     fi
 666 }
 667
 668 extract_rpm_from_line() {
 669     vtlog "extract_rpm_from_line $1 disk=#$2#"
 670
 671     if ! [ -b "$2" ]; then
 672         vterr "disk #$2# not exist"
 673         return
 674     fi
 675
 676     sector=$(echo $1 | $AWK '{print $(NF-1)}')
 677     length=$(echo $1 | $AWK '{print $NF}')
 678     vtlog "sector=$sector  length=$length"
 679
 680     $VTOY_PATH/tool/vtoydm -e -f $VTOY_PATH/ventoy_image_map -d ${2} -s $sector -l $length -o /tmp/xxx.rpm
 681     if [ -e /tmp/xxx.rpm ]; then
 682         vtlog "extract rpm file from iso success"
 683     else
 684         vterr "extract rpm file from iso fail"
 685         return
 686     fi
 687
 688     CURPWD=$($BUSYBOX_PATH/pwd)
 689
 690     $BUSYBOX_PATH/mkdir -p $VTOY_PATH/rpm
 691     cd $VTOY_PATH/rpm
 692     vtlog "extract rpm..."
 693     $BUSYBOX_PATH/rpm2cpio /tmp/xxx.rpm | $BUSYBOX_PATH/cpio -idm 2>>$VTLOG
 694     cd $CURPWD
 695
 696     $BUSYBOX_PATH/rm -f /tmp/xxx.rpm
 697 }
 698
 699 install_rpm_from_line() {
 700     vtlog "install_rpm_from_line $1 disk=#$2#"
 701
 702     if ! [ -b "$2" ]; then
 703         vterr "disk #$2# not exist"
 704         return
 705     fi
 706
 707     sector=$(echo $1 | $AWK '{print $(NF-1)}')
 708     length=$(echo $1 | $AWK '{print $NF}')
 709     vtlog "sector=$sector  length=$length"
 710
 711     $VTOY_PATH/tool/vtoydm -e -f $VTOY_PATH/ventoy_image_map -d ${2} -s $sector -l $length -o /tmp/xxx.rpm
 712     if [ -e /tmp/xxx.rpm ]; then
 713         vtlog "extract rpm file from iso success"
 714     else
 715         vterr "extract rpm file from iso fail"
 716         return
 717     fi
 718
 719     CURPWD=$($BUSYBOX_PATH/pwd)
 720
 721     cd /
 722     vtlog "install rpm..."
 723     $BUSYBOX_PATH/rpm2cpio /tmp/xxx.rpm | $BUSYBOX_PATH/cpio -idm 2>>$VTLOG
 724     cd $CURPWD
 725
 726     $BUSYBOX_PATH/rm -f /tmp/xxx.rpm
 727 }
 728
 729 dump_whole_iso_file() {
 730    $VTOY_PATH/tool/vtoydm -p -f $VTOY_PATH/ventoy_image_map -d $usb_disk | while read vtline; do
 731         vtlog "dmtable line: $vtline"
 732         vtcount=$(echo $vtline | $AWK '{print $2}')
 733         vtoffset=$(echo $vtline | $AWK '{print $NF}')
 734         $BUSYBOX_PATH/dd if=$usb_disk of="$1" bs=512 count=$vtcount skip=$vtoffset oflag=append conv=notrunc
 735     done
 736 }
 737
 738 ventoy_copy_device_mapper() {
 739     if [ -L $VTOY_DM_PATH ]; then
 740         vtlog "replace block device link $1..."
 741         $BUSYBOX_PATH/mv "$1" $VTOY_PATH/dev_backup_${1#/dev/}
 742         VT_MAPPER_LINK=$($BUSYBOX_PATH/readlink $VTOY_DM_PATH)
 743         $BUSYBOX_PATH/cp -a "/dev/mapper/$VT_MAPPER_LINK" "$1"
 744     elif [ -b $VTOY_DM_PATH ]; then
 745         vtlog "replace block device $1..."
 746         $BUSYBOX_PATH/mv "$1" $VTOY_PATH/dev_backup_${1#/dev/}
 747         $BUSYBOX_PATH/cp -a "$VTOY_DM_PATH" "$1"
 748     else
 749
 750         vtlog "$VTOY_DM_PATH not exist, now check /dev/dm-X ..."
 751         VT_DM_BIN=$(ventoy_find_bin_path dmsetup)
 752         if [ -z "$VT_DM_BIN" ]; then
 753             vtlog "no dmsetup avaliable, lastly try inbox dmsetup"
 754             VT_DM_BIN=$VTOY_PATH/tool/dmsetup
 755         fi
 756
 757         DM_VT_ID=$($VT_DM_BIN ls | $GREP ventoy | $SED 's/.*(\([0-9][0-9]*\),.*\([0-9][0-9]*\).*/\1 \2/')
 758         vtlog "DM_VT_ID=$DM_VT_ID ..."
 759         $BUSYBOX_PATH/mv "$1" $VTOY_PATH/dev_backup_${1#/dev/}
 760         $BUSYBOX_PATH/mknod -m 0666 "$1" b $DM_VT_ID
 761     fi
 762 }
 763
 764 # create link for device-mapper
 765 ventoy_create_persistent_link() {
 766     blkdev_num=$($VTOY_PATH/tool/dmsetup ls | grep vtoy_persistent | sed 's/.*(\([0-9][0-9]*\),.*\([0-9][0-9]*\).*/\1:\2/')
 767     vtDM=$(ventoy_find_dm_id ${blkdev_num})
 768
 769     if ! [ -d /dev/disk/by-label ]; then
 770         mkdir -p /dev/disk/by-label
 771     fi
 772
 773     VTLABEL=$($BUSYBOX_PATH/blkid /dev/$vtDM | $SED 's/.*LABEL="\([^"]*\)".*/\1/')
 774     if [ -z "$VTLABEL" ]; then
 775         VTLABEL=casper-rw
 776     fi
 777
 778     vtlog "Persistent Label: ##${VTLABEL}##"
 779
 780     if ! [ -e /dev/disk/by-label/$VTLABEL ]; then
 781         vtOldDir=$PWD
 782         cd /dev/disk/by-label
 783         ln -s ../../$vtDM $VTLABEL
 784         cd $vtOldDir
 785     fi
 786 }
 787
 788 ventoy_partname_to_diskname() {
 789     if echo $1 | $EGREP -q "nvme.*p[0-9]$|mmc.*p[0-9]$|nbd.*p[0-9]$"; then
 790         echo -n "${1:0:-2}"
 791     else
 792         echo -n "${1:0:-1}"
 793     fi
 794 }
 795
 796 ventoy_diskname_to_partname() {
 797     if echo $1 | $EGREP -q "nvme.*p[0-9]$|mmc.*p[0-9]$|nbd.*p[0-9]$"; then
 798         echo -n "${1}p$2"
 799     else
 800         echo -n "${1}$2"
 801     fi
 802 }
 803
 804 ventoy_udev_disk_common_hook() {
 805     if echo $1 | $EGREP -q "nvme.*p[0-9]$|mmc.*p[0-9]$|nbd.*p[0-9]$"; then
 806         VTDISK="${1:0:-2}"
 807     else
 808         VTDISK="${1:0:-1}"
 809     fi
 810
 811     if [ -e /vtoy/vtoy ]; then
 812         VTRWMOD=""
 813     else
 814         VTRWMOD="--readonly"
 815     fi
 816
 817     # create device mapper for iso image file
 818     if create_ventoy_device_mapper "/dev/$VTDISK" $VTRWMOD; then
 819         vtlog "==== create ventoy device mapper success ===="
 820     else
 821         vtlog "==== create ventoy device mapper failed ===="
 822
 823         $SLEEP 3
 824
 825         if $GREP -q "/dev/$VTDISK" /proc/mounts; then
 826             $GREP "/dev/$VTDISK" /proc/mounts | while read vtLine; do
 827                 vtPart=$(echo $vtLine | $AWK '{print $1}')
 828                 vtMnt=$(echo $vtLine | $AWK '{print $2}')
 829                 vtlog "$vtPart is mounted on $vtMnt  now umount it ..."
 830                 $BUSYBOX_PATH/umount $vtMnt
 831             done
 832         fi
 833
 834         if create_ventoy_device_mapper "/dev/$VTDISK" $VTRWMOD; then
 835             vtlog "==== create ventoy device mapper success after retry ===="
 836         else
 837             vtlog "==== create ventoy device mapper failed after retry ===="
 838             return
 839         fi
 840     fi
 841
 842     if [ "$2" = "noreplace" ]; then
 843         vtlog "no need to replace block device"
 844     else
 845         ventoy_copy_device_mapper "/dev/$1"
 846     fi
 847
 848     if [ -f $VTOY_PATH/ventoy_persistent_map ]; then
 849         create_persistent_device_mapper "/dev/$VTDISK"
 850         ventoy_create_persistent_link
 851     fi
 852
 853     if $GREP -q 'dm_patch' /proc/modules; then
 854         vtlog "remove dm_patch module."
 855         $BUSYBOX_PATH/rmmod dm_patch
 856     fi
 857 }
 858
 859 ventoy_create_dev_ventoy_part() {
 860     blkdev_num=$($VTOY_PATH/tool/dmsetup ls | $GREP ventoy | $SED 's/.*(\([0-9][0-9]*\),.*\([0-9][0-9]*\).*/\1 \2/')
 861     $BUSYBOX_PATH/mknod -m 0666 /dev/ventoy b $blkdev_num
 862
 863     if [ -e /vtoy_dm_table ]; then
 864         vtPartid=1
 865
 866         vtLevel1=$($CAT /proc/sys/kernel/printk | $AWK '{print $1}')
 867         vtLevel2=$($CAT /proc/sys/kernel/printk | $AWK '{print $2}')
 868         vtLevel3=$($CAT /proc/sys/kernel/printk | $AWK '{print $3}')
 869         vtLevel4=$($CAT /proc/sys/kernel/printk | $AWK '{print $4}')
 870         if [ -f $VTOY_PATH/dm_patch_done ]; then
 871             #suppress printk message
 872             echo 0 $vtLevel2 0 $vtLevel4 > /proc/sys/kernel/printk
 873         fi
 874
 875         $CAT /vtoy_dm_table | while read vtline; do
 876             echo $vtline > /ventoy/dm_table_part${vtPartid}
 877             $VTOY_PATH/tool/dmsetup create ventoy${vtPartid} /ventoy/dm_table_part${vtPartid}
 878
 879             blkdev_num=$($VTOY_PATH/tool/dmsetup ls | $GREP ventoy${vtPartid} | $SED 's/.*(\([0-9][0-9]*\),.*\([0-9][0-9]*\).*/\1 \2/')
 880             $BUSYBOX_PATH/mknod -m 0666 /dev/ventoy${vtPartid} b $blkdev_num
 881
 882             vtPartid=$(expr $vtPartid + 1)
 883         done
 884
 885         if [ -f $VTOY_PATH/dm_patch_done ]; then
 886             #recover printk level
 887             echo $vtLevel1 $vtLevel2 $vtLevel3 $vtLevel4 > /proc/sys/kernel/printk
 888         fi
 889     fi
 890 }
 891
 892
 893 ventoy_create_chromeos_ventoy_part() {
 894     blkdev_num=$($VTOY_PATH/tool/dmsetup ls | $GREP ventoy | $SED 's/.*(\([0-9][0-9]*\),.*\([0-9][0-9]*\).*/\1 \2/')
 895     $BUSYBOX_PATH/mknod -m 0666 /dev/ventoy b $blkdev_num
 896
 897     if [ -e /vtoy_dm_table ]; then
 898         vtPartid=1
 899
 900         $CAT /vtoy_dm_table | while read vtline; do
 901             echo $vtline > /ventoy/dm_table_part${vtPartid}
 902
 903             if [ $vtPartid -eq $1 ]; then
 904                 $VTOY_PATH/tool/dmsetup create ventoy${vtPartid} /ventoy/dm_table_part${vtPartid} --readonly
 905             else
 906                 $VTOY_PATH/tool/dmsetup create ventoy${vtPartid} /ventoy/dm_table_part${vtPartid}
 907             fi
 908
 909             blkdev_num=$($VTOY_PATH/tool/dmsetup ls | $GREP ventoy${vtPartid} | $SED 's/.*(\([0-9][0-9]*\),.*\([0-9][0-9]*\).*/\1 \2/')
 910             $BUSYBOX_PATH/mknod -m 0666 /dev/ventoy${vtPartid} b $blkdev_num
 911
 912             vtPartid=$(expr $vtPartid + 1)
 913         done
 914     fi
 915 }
 916
 917 is_inotify_ventoy_part() {
 918     if echo $1 | $GREP -q "2$"; then
 919         if ! [ -e /sys/block/$1 ]; then
 920             if [ -e /sys/class/block/$1 ]; then
 921                 if echo $1 | $EGREP -q "nvme|mmc|nbd"; then
 922                     vtShortName=${1:0:-2}
 923                 else
 924                     vtShortName=${1:0:-1}
 925                 fi
 926
 927                 if [ -e /dev/$vtShortName ]; then
 928                     if [ "$VTOY_VLNK_BOOT" = "01" ]; then
 929                         vtOrgDiskName=$($VTOY_PATH/tool/vtoydump -t $VTOY_PATH/ventoy_os_param)
 930                         [ "$vtOrgDiskName" = "/dev/$vtShortName" ]
 931                     else
 932                         $VTOY_PATH/tool/vtoydump -f $VTOY_PATH/ventoy_os_param -c $vtShortName
 933                     fi
 934                     return
 935                 fi
 936             fi
 937         fi
 938     fi
 939
 940     [ "1" = "0" ]
 941 }
 942
 943 ventoy_find_dm_id() {
 944     for vt in $($BUSYBOX_PATH/ls /sys/block/); do
 945         if [ "${vt:0:3}" = "dm-" ]; then
 946             vtMajorMinor=$($CAT /sys/block/$vt/dev)
 947             if [ "$vtMajorMinor" = "$1" ]; then
 948                 echo ${vt}
 949                 return
 950             fi
 951         fi
 952     done
 953     echo 'xx'
 954 }
 955
 956 ventoy_swap_device() {
 957     mv $1 $VTOY_PATH/swap_tmp_dev
 958     mv $2 $1
 959     mv $VTOY_PATH/swap_tmp_dev $2
 960 }
 961
 962 ventoy_extract_vtloopex() {
 963     vtCurPwd=$PWD
 964     $BUSYBOX_PATH/mkdir -p $VTOY_PATH/partmnt $VTOY_PATH/vtloopex
 965     $BUSYBOX_PATH/mount -o ro -t vfat $1  $VTOY_PATH/partmnt
 966     cd $VTOY_PATH/vtloopex
 967     $CAT $VTOY_PATH/partmnt/ventoy/vtloopex.cpio | $BUSYBOX_PATH/cpio -idm >> $VTLOG 2>&1
 968     $BUSYBOX_PATH/umount $VTOY_PATH/partmnt
 969     $BUSYBOX_PATH/rm -rf $VTOY_PATH/partmnt
 970
 971     if [ -n "$2" ]; then
 972         cd $VTOY_PATH/vtloopex/$2/
 973         $BUSYBOX_PATH/tar -xJf vtloopex.tar.xz
 974     fi
 975
 976     cd $vtCurPwd
 977 }
 978
 979 ventoy_check_install_module_xz() {
 980     if [ -f "${1}.xz" ]; then
 981         $BUSYBOX_PATH/xz -d  "${1}.xz"
 982         $BUSYBOX_PATH/insmod "$1"
 983     fi
 984 }
 985
 986 ventoy_check_umount() {
 987     for vtLoop in 0 1 2 3 4 5 6 7 8 9; do
 988         $BUSYBOX_PATH/umount "$1" > /dev/null 2>&1
 989         if $BUSYBOX_PATH/mountpoint -q "$1"; then
 990             $SLEEP 1
 991         else
 992             break
 993         fi
 994     done
 995 }
 996
 997 ventoy_wait_dir() {
 998     vtdir=$1
 999     vtsec=0
1000
1001     while [ $vtsec -lt $2 ]; do
1002         if [ -d "$vtdir" ]; then
1003             break
1004         else
1005             $SLEEP 1
1006             vtsec=$(expr $vtsec + 1)
1007         fi
1008     done
1009 }