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 $1}')
 358
 359     vtLine=$($VTOY_PATH/tool/vtoyksym bdev_file_open_by_dev $VTOY_PATH/kallsyms)
 360     vtlog "get bdev_file_open_by_dev address $vtLine"
 361     bdev_file_open_addr=$(echo $vtLine | $AWK '{print $1}')
 362
 363
 364     if $GREP -m1 -q 'close_table_device.isra' $VTOY_PATH/kallsyms; then
 365         vtLine=$($VTOY_PATH/tool/vtoyksym close_table_device.isra $VTOY_PATH/kallsyms)
 366         vtlog "get close_table_device.isra address $vtLine"
 367     else
 368         vtLine=$($VTOY_PATH/tool/vtoyksym dm_put_table_device $VTOY_PATH/kallsyms)
 369         vtlog "get dm_put_table_device address $vtLine"
 370     fi
 371     put_addr=$(echo $vtLine | $AWK '{print $1}')
 372     put_size=$(echo $vtLine | $AWK '{print $2}')
 373
 374     ro_addr=$($GREP ' set_memory_ro$' /proc/kallsyms | $AWK '{print $1}')
 375     rw_addr=$($GREP ' set_memory_rw$' /proc/kallsyms | $AWK '{print $1}')
 376     kprobe_reg_addr=$($GREP ' register_kprobe$' /proc/kallsyms | $AWK '{print $1}')
 377     kprobe_unreg_addr=$($GREP ' unregister_kprobe$' /proc/kallsyms | $AWK '{print $1}')
 378
 379     if [ "$VTOY_DEBUG_LEVEL" = "01" ]; then
 380         vtDmPatchDebug=1
 381     fi
 382
 383     if $GREP -q 'dmpatch_debug' /proc/cmdline; then
 384         vtDmPatchDebug=1
 385     fi
 386
 387
 388     if [ $vtDmPatchDebug -eq 1 ]; then
 389         printk_addr=$($GREP ' printk$' /proc/kallsyms | $AWK '{print $1}')
 390         if [ -z "$printk_addr" ]; then
 391             printk_addr=$($GREP ' _printk$' /proc/kallsyms | $AWK '{print $1}')
 392         fi
 393         vtDebug="-v"
 394     else
 395         printk_addr=0
 396     fi
 397
 398     #printk_addr=$($GREP ' printk$' /proc/kallsyms | $AWK '{print $1}')
 399     #vtDebug="-v"
 400
 401     vtlog get_addr=$get_addr  get_size=$get_size
 402     vtlog put_addr=$put_addr  put_size=$put_size
 403     vtlog blkdev_get_addr=$blkdev_get_addr blkdev_put_addr=$blkdev_put_addr
 404     vtlog kprobe_reg_addr=$kprobe_reg_addr  kprobe_unreg_addr=$kprobe_unreg_addr
 405     vtlog ro_addr=$ro_addr  rw_addr=$rw_addr  printk_addr=$printk_addr bdev_open_addr=$bdev_open_addr bdev_file_open_addr=$bdev_file_open_addr
 406
 407     if [ "$get_addr" = "0" -o "$put_addr" = "0" ]; then
 408         vtlog "Invalid symbol address"
 409         return
 410     fi
 411     if [ "$ro_addr" = "0" -o "$rw_addr" = "0" ]; then
 412         vtlog "Invalid symbol address"
 413         return
 414     fi
 415
 416
 417     vtKv=$($BUSYBOX_PATH/uname -r)
 418     vtKVMajor=$(echo $vtKv | $AWK -F. '{print $1}')
 419     vtKVMinor=$(echo $vtKv | $AWK -F. '{print $2}')
 420     vtKVSubMinor=$(echo $vtKv | $AWK -F. '{print $3}')
 421
 422     if [ ! -d /lib/modules/$vtKv ]; then
 423         vtlog "No modules directory found"
 424         return
 425     elif [ -d /lib/modules/$vtKv/kernel/fs ]; then
 426         vtModPath=$($FIND /lib/modules/$vtKv/kernel/fs/ -name "*.ko*" | $HEAD -n1)
 427     elif [ -d /lib/modules/$vtKv/kernel ]; then
 428         vtModPath=$($FIND /lib/modules/$vtKv/kernel/ -name "xfs.ko*" | $HEAD -n1)
 429     elif [ -d /lib/modules/$vtKv/initrd ]; then
 430         vtModPath=$($FIND /lib/modules/$vtKv/initrd/ -name "xfs.ko*" | $HEAD -n1)
 431     fi
 432
 433
 434     if [ -z "$vtModPath" ]; then
 435         vtModPath=$($FIND /lib/modules/$vtKv/ -name "*.ko*" | $HEAD -n1)
 436     fi
 437
 438     vtModName=$($BUSYBOX_PATH/basename $vtModPath)
 439
 440     vtlog "template module is $vtModPath $vtModName"
 441
 442     if [ -z "$vtModPath" ]; then
 443         vtlog "No template module found"
 444         return
 445     elif echo $vtModPath | $GREP -q "[.]ko$"; then
 446         $BUSYBOX_PATH/cp -a $vtModPath  $VTOY_PATH/$vtModName
 447     elif echo $vtModPath | $GREP -q "[.]ko[.]xz$"; then
 448         $BUSYBOX_PATH/xzcat $vtModPath > $VTOY_PATH/$vtModName
 449     elif echo $vtModPath | $GREP -q "[.]ko[.]gz$"; then
 450         $BUSYBOX_PATH/zcat $vtModPath > $VTOY_PATH/$vtModName
 451     elif echo $vtModPath | $GREP -q "[.]ko[.]zst$"; then
 452         $VTOY_PATH/tool/zstdcat $vtModPath > $VTOY_PATH/$vtModName
 453     else
 454         vtlog "unsupport module type"
 455         return
 456     fi
 457
 458
 459
 460     #step1: modify vermagic/mod crc/relocation
 461     vtlog "$VTOY_PATH/tool/vtoykmod -u $vtKVMajor $vtKVMinor $VTOY_PATH/tool/$vtKoName $VTOY_PATH/$vtModName $vtDebug"
 462     $VTOY_PATH/tool/vtoykmod -u $vtKVMajor $vtKVMinor $VTOY_PATH/tool/$vtKoName $VTOY_PATH/$vtModName $vtDebug >>$VTLOG 2>&1
 463
 464     #step2: fill parameters
 465     vtPgsize=$($VTOY_PATH/tool/vtoyksym -p)
 466
 467     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 $bdev_file_open_addr  $vtDebug"
 468
 469
 470     vtlog "$VTOY_PATH/tool/vtoykmod -f $vtPrams"
 471     $VTOY_PATH/tool/vtoykmod -f $vtPrams >>$VTLOG 2>&1
 472
 473
 474     vtlog "insmod $VTOY_PATH/tool/$vtKoName"
 475     $BUSYBOX_PATH/insmod $VTOY_PATH/tool/$vtKoName  >>$VTLOG 2>&1
 476
 477     if $GREP -q 'dm_patch' /proc/modules; then
 478         vtlog "dm_patch module OK"
 479         echo "done" > $VTOY_PATH/dm_patch_done
 480     else
 481         vtlog "dm_patch module FAILED"
 482     fi
 483
 484 }
 485
 486 create_ventoy_device_mapper() {
 487     vtlog "create_ventoy_device_mapper $*"
 488
 489     VT_DM_BIN=$(ventoy_find_bin_path dmsetup)
 490     if [ -z "$VT_DM_BIN" ]; then
 491         vtlog "no dmsetup avaliable, lastly try inbox dmsetup"
 492         VT_DM_BIN=$VTOY_PATH/tool/dmsetup
 493     fi
 494
 495     vtlog "dmsetup avaliable in system $VT_DM_BIN"
 496
 497     if ventoy_check_dm_module "$1"; then
 498         vtlog "device-mapper module check success"
 499     else
 500         vterr "Error: no dm module avaliable"
 501     fi
 502
 503     $VTOY_PATH/tool/vtoydm -p -f $VTOY_PATH/ventoy_image_map -d $1 > $VTOY_PATH/ventoy_dm_table
 504
 505
 506     vtLevel1=$($CAT /proc/sys/kernel/printk | $AWK '{print $1}')
 507     vtLevel2=$($CAT /proc/sys/kernel/printk | $AWK '{print $2}')
 508     vtLevel3=$($CAT /proc/sys/kernel/printk | $AWK '{print $3}')
 509     vtLevel4=$($CAT /proc/sys/kernel/printk | $AWK '{print $4}')
 510     if ventoy_need_dm_patch; then
 511         ventoy_dm_patch
 512         #suppress printk message
 513         echo 0 $vtLevel2 0 $vtLevel4 > /proc/sys/kernel/printk
 514     fi
 515
 516     if [ -z "$2" ]; then
 517         $VT_DM_BIN create ventoy $VTOY_PATH/ventoy_dm_table >>$VTLOG 2>&1
 518     else
 519         $VT_DM_BIN "$2" create ventoy $VTOY_PATH/ventoy_dm_table >>$VTLOG 2>&1
 520     fi
 521
 522     if ventoy_need_dm_patch; then
 523         #recover printk level
 524         echo $vtLevel1 $vtLevel2 $vtLevel3 $vtLevel4 > /proc/sys/kernel/printk
 525     fi
 526 }
 527
 528 create_persistent_device_mapper() {
 529     vtlog "create_persistent_device_mapper $*"
 530
 531     VT_DM_BIN=$(ventoy_find_bin_path dmsetup)
 532     if [ -z "$VT_DM_BIN" ]; then
 533         vtlog "no dmsetup avaliable, lastly try inbox dmsetup"
 534         VT_DM_BIN=$VTOY_PATH/tool/dmsetup
 535     fi
 536
 537     vtlog "dmsetup avaliable in system $VT_DM_BIN"
 538
 539     if ventoy_check_dm_module "$1"; then
 540         vtlog "device-mapper module check success"
 541     else
 542         vterr "Error: no dm module avaliable"
 543     fi
 544
 545     $VTOY_PATH/tool/vtoydm -p -f $VTOY_PATH/ventoy_persistent_map -d $1 > $VTOY_PATH/persistent_dm_table
 546
 547
 548     vtLevel1=$($CAT /proc/sys/kernel/printk | $AWK '{print $1}')
 549     vtLevel2=$($CAT /proc/sys/kernel/printk | $AWK '{print $2}')
 550     vtLevel3=$($CAT /proc/sys/kernel/printk | $AWK '{print $3}')
 551     vtLevel4=$($CAT /proc/sys/kernel/printk | $AWK '{print $4}')
 552     if [ -f $VTOY_PATH/dm_patch_done ]; then
 553         #suppress printk message
 554         echo 0 $vtLevel2 0 $vtLevel4 > /proc/sys/kernel/printk
 555     fi
 556
 557     $VT_DM_BIN create vtoy_persistent $VTOY_PATH/persistent_dm_table >>$VTLOG 2>&1
 558
 559     if [ -f $VTOY_PATH/dm_patch_done ]; then
 560         #recover printk level
 561         echo $vtLevel1 $vtLevel2 $vtLevel3 $vtLevel4 > /proc/sys/kernel/printk
 562     fi
 563 }
 564
 565
 566
 567 wait_for_ventoy_dm_disk_label() {
 568     DM=$($BUSYBOX_PATH/readlink $VTOY_DM_PATH)
 569     vtlog "wait_for_ventoy_dm_disk_label $DM ..."
 570
 571     for i in 0 1 2 3 4 5 6 7 8 9; do
 572         vtlog "i=$i ####### ls /dev/disk/by-label/"
 573         ls -l /dev/disk/by-label/ >> $VTLOG
 574
 575         if ls -l /dev/disk/by-label/ | $GREP -q "$DM"; then
 576             break
 577         else
 578             $SLEEP 1
 579         fi
 580     done
 581 }
 582
 583 install_udeb_pkg() {
 584     if ! [ -e "$1" ]; then
 585         $BUSYBOX_PATH/false
 586         return
 587     fi
 588
 589     if [ -d /tmp/vtoy_udeb ]; then
 590         $BUSYBOX_PATH/rm -rf /tmp/vtoy_udeb
 591     fi
 592
 593     $BUSYBOX_PATH/mkdir -p /tmp/vtoy_udeb
 594     $BUSYBOX_PATH/cp -a "$1" /tmp/vtoy_udeb/
 595
 596     CURDIR=$($BUSYBOX_PATH/pwd)
 597     cd /tmp/vtoy_udeb
 598
 599     $BUSYBOX_PATH/ar x "$1"
 600
 601     if [ -e 'data.tar.gz' ]; then
 602         $BUSYBOX_PATH/tar -xzf data.tar.gz -C /
 603     elif [ -e 'data.tar.xz' ]; then
 604         $BUSYBOX_PATH/tar -xJf data.tar.xz -C /
 605     elif [ -e 'data.tar.bz2' ]; then
 606         $BUSYBOX_PATH/tar -xjf data.tar.bz2 -C /
 607     elif [ -e 'data.tar.lzma' ]; then
 608         $BUSYBOX_PATH/tar -xaf data.tar.lzma -C /
 609     fi
 610
 611     if [ -e 'control.tar.gz' ]; then
 612         $BUSYBOX_PATH/tar -xzf control.tar.gz -C /
 613     elif [ -e 'control.tar.xz' ]; then
 614         $BUSYBOX_PATH/tar -xJf control.tar.xz -C /
 615     elif [ -e 'control.tar.bz2' ]; then
 616         $BUSYBOX_PATH/tar -xjf control.tar.bz2 -C /
 617     elif [ -e 'control.tar.lzma' ]; then
 618         $BUSYBOX_PATH/tar -xaf control.tar.lzma -C /
 619     fi
 620
 621     cd $CURDIR
 622     $BUSYBOX_PATH/rm -rf /tmp/vtoy_udeb
 623     $BUSYBOX_PATH/true
 624 }
 625
 626
 627 install_udeb_from_line() {
 628     vtlog "install_udeb_from_line $1"
 629
 630     if ! [ -b "$2" ]; then
 631         vterr "disk #$2# not exist"
 632         return
 633     fi
 634
 635     sector=$(echo $1 | $AWK '{print $(NF-1)}')
 636     length=$(echo $1 | $AWK '{print $NF}')
 637     vtlog "sector=$sector  length=$length"
 638
 639     $VTOY_PATH/tool/vtoydm -e -f $VTOY_PATH/ventoy_image_map -d ${2} -s $sector -l $length -o /tmp/xxx.udeb
 640     if [ -e /tmp/xxx.udeb ]; then
 641         vtlog "extract udeb file from iso success"
 642     else
 643         vterr "extract udeb file from iso fail"
 644         return
 645     fi
 646
 647     install_udeb_pkg /tmp/xxx.udeb
 648     $BUSYBOX_PATH/rm -f /tmp/xxx.udeb
 649 }
 650
 651 extract_file_from_line() {
 652     vtlog "extract_file_from_line $1 disk=#$2#"
 653     if ! [ -b "$2" ]; then
 654         vterr "disk #$2# not exist"
 655         return
 656     fi
 657
 658     sector=$(echo $1 | $AWK '{print $(NF-1)}')
 659     length=$(echo $1 | $AWK '{print $NF}')
 660     vtlog "sector=$sector  length=$length"
 661
 662     $VTOY_PATH/tool/vtoydm -e -f $VTOY_PATH/ventoy_image_map -d ${2} -s $sector -l $length -o $3
 663     if [ -e $3 ]; then
 664         vtlog "extract file from iso success"
 665         $BUSYBOX_PATH/true
 666     else
 667         vterr "extract file from iso fail"
 668         $BUSYBOX_PATH/false
 669     fi
 670 }
 671
 672 extract_rpm_from_line() {
 673     vtlog "extract_rpm_from_line $1 disk=#$2#"
 674
 675     if ! [ -b "$2" ]; then
 676         vterr "disk #$2# not exist"
 677         return
 678     fi
 679
 680     sector=$(echo $1 | $AWK '{print $(NF-1)}')
 681     length=$(echo $1 | $AWK '{print $NF}')
 682     vtlog "sector=$sector  length=$length"
 683
 684     $VTOY_PATH/tool/vtoydm -e -f $VTOY_PATH/ventoy_image_map -d ${2} -s $sector -l $length -o /tmp/xxx.rpm
 685     if [ -e /tmp/xxx.rpm ]; then
 686         vtlog "extract rpm file from iso success"
 687     else
 688         vterr "extract rpm file from iso fail"
 689         return
 690     fi
 691
 692     CURPWD=$($BUSYBOX_PATH/pwd)
 693
 694     $BUSYBOX_PATH/mkdir -p $VTOY_PATH/rpm
 695     cd $VTOY_PATH/rpm
 696     vtlog "extract rpm..."
 697     $BUSYBOX_PATH/rpm2cpio /tmp/xxx.rpm | $BUSYBOX_PATH/cpio -idm 2>>$VTLOG
 698     cd $CURPWD
 699
 700     $BUSYBOX_PATH/rm -f /tmp/xxx.rpm
 701 }
 702
 703 install_rpm_from_line() {
 704     vtlog "install_rpm_from_line $1 disk=#$2#"
 705
 706     if ! [ -b "$2" ]; then
 707         vterr "disk #$2# not exist"
 708         return
 709     fi
 710
 711     sector=$(echo $1 | $AWK '{print $(NF-1)}')
 712     length=$(echo $1 | $AWK '{print $NF}')
 713     vtlog "sector=$sector  length=$length"
 714
 715     $VTOY_PATH/tool/vtoydm -e -f $VTOY_PATH/ventoy_image_map -d ${2} -s $sector -l $length -o /tmp/xxx.rpm
 716     if [ -e /tmp/xxx.rpm ]; then
 717         vtlog "extract rpm file from iso success"
 718     else
 719         vterr "extract rpm file from iso fail"
 720         return
 721     fi
 722
 723     CURPWD=$($BUSYBOX_PATH/pwd)
 724
 725     cd /
 726     vtlog "install rpm..."
 727     $BUSYBOX_PATH/rpm2cpio /tmp/xxx.rpm | $BUSYBOX_PATH/cpio -idm 2>>$VTLOG
 728     cd $CURPWD
 729
 730     $BUSYBOX_PATH/rm -f /tmp/xxx.rpm
 731 }
 732
 733 dump_whole_iso_file() {
 734    $VTOY_PATH/tool/vtoydm -p -f $VTOY_PATH/ventoy_image_map -d $usb_disk | while read vtline; do
 735         vtlog "dmtable line: $vtline"
 736         vtcount=$(echo $vtline | $AWK '{print $2}')
 737         vtoffset=$(echo $vtline | $AWK '{print $NF}')
 738         $BUSYBOX_PATH/dd if=$usb_disk of="$1" bs=512 count=$vtcount skip=$vtoffset oflag=append conv=notrunc
 739     done
 740 }
 741
 742 ventoy_copy_device_mapper() {
 743     if [ -L $VTOY_DM_PATH ]; then
 744         vtlog "replace block device link $1..."
 745         $BUSYBOX_PATH/mv "$1" $VTOY_PATH/dev_backup_${1#/dev/}
 746         VT_MAPPER_LINK=$($BUSYBOX_PATH/readlink $VTOY_DM_PATH)
 747         $BUSYBOX_PATH/cp -a "/dev/mapper/$VT_MAPPER_LINK" "$1"
 748     elif [ -b $VTOY_DM_PATH ]; then
 749         vtlog "replace block device $1..."
 750         $BUSYBOX_PATH/mv "$1" $VTOY_PATH/dev_backup_${1#/dev/}
 751         $BUSYBOX_PATH/cp -a "$VTOY_DM_PATH" "$1"
 752     else
 753
 754         vtlog "$VTOY_DM_PATH not exist, now check /dev/dm-X ..."
 755         VT_DM_BIN=$(ventoy_find_bin_path dmsetup)
 756         if [ -z "$VT_DM_BIN" ]; then
 757             vtlog "no dmsetup avaliable, lastly try inbox dmsetup"
 758             VT_DM_BIN=$VTOY_PATH/tool/dmsetup
 759         fi
 760
 761         DM_VT_ID=$($VT_DM_BIN ls | $GREP ventoy | $SED 's/.*(\([0-9][0-9]*\),.*\([0-9][0-9]*\).*/\1 \2/')
 762         vtlog "DM_VT_ID=$DM_VT_ID ..."
 763         $BUSYBOX_PATH/mv "$1" $VTOY_PATH/dev_backup_${1#/dev/}
 764         $BUSYBOX_PATH/mknod -m 0666 "$1" b $DM_VT_ID
 765     fi
 766 }
 767
 768 # create link for device-mapper
 769 ventoy_create_persistent_link() {
 770     blkdev_num=$($VTOY_PATH/tool/dmsetup ls | grep vtoy_persistent | sed 's/.*(\([0-9][0-9]*\),.*\([0-9][0-9]*\).*/\1:\2/')
 771     vtDM=$(ventoy_find_dm_id ${blkdev_num})
 772
 773     if ! [ -d /dev/disk/by-label ]; then
 774         mkdir -p /dev/disk/by-label
 775     fi
 776
 777     VTLABEL=$($BUSYBOX_PATH/blkid /dev/$vtDM | $SED 's/.*LABEL="\([^"]*\)".*/\1/')
 778     if [ -z "$VTLABEL" ]; then
 779         VTLABEL=casper-rw
 780     fi
 781
 782     vtlog "Persistent Label: ##${VTLABEL}##"
 783
 784     if ! [ -e /dev/disk/by-label/$VTLABEL ]; then
 785         vtOldDir=$PWD
 786         cd /dev/disk/by-label
 787         ln -s ../../$vtDM $VTLABEL
 788         cd $vtOldDir
 789     fi
 790 }
 791
 792 ventoy_partname_to_diskname() {
 793     if echo $1 | $EGREP -q "nvme.*p[0-9]$|mmc.*p[0-9]$|nbd.*p[0-9]$"; then
 794         echo -n "${1:0:-2}"
 795     else
 796         echo -n "${1:0:-1}"
 797     fi
 798 }
 799
 800 ventoy_diskname_to_partname() {
 801     if echo $1 | $EGREP -q "nvme.*p[0-9]$|mmc.*p[0-9]$|nbd.*p[0-9]$"; then
 802         echo -n "${1}p$2"
 803     else
 804         echo -n "${1}$2"
 805     fi
 806 }
 807
 808 ventoy_udev_disk_common_hook() {
 809     if echo $1 | $EGREP -q "nvme.*p[0-9]$|mmc.*p[0-9]$|nbd.*p[0-9]$"; then
 810         VTDISK="${1:0:-2}"
 811     else
 812         VTDISK="${1:0:-1}"
 813     fi
 814
 815     if [ -e /vtoy/vtoy ]; then
 816         VTRWMOD=""
 817     else
 818         VTRWMOD="--readonly"
 819     fi
 820
 821     # create device mapper for iso image file
 822     if create_ventoy_device_mapper "/dev/$VTDISK" $VTRWMOD; then
 823         vtlog "==== create ventoy device mapper success ===="
 824     else
 825         vtlog "==== create ventoy device mapper failed ===="
 826
 827         $SLEEP 3
 828
 829         if $GREP -q "/dev/$VTDISK" /proc/mounts; then
 830             $GREP "/dev/$VTDISK" /proc/mounts | while read vtLine; do
 831                 vtPart=$(echo $vtLine | $AWK '{print $1}')
 832                 vtMnt=$(echo $vtLine | $AWK '{print $2}')
 833                 vtlog "$vtPart is mounted on $vtMnt  now umount it ..."
 834                 $BUSYBOX_PATH/umount $vtMnt
 835             done
 836         fi
 837
 838         if create_ventoy_device_mapper "/dev/$VTDISK" $VTRWMOD; then
 839             vtlog "==== create ventoy device mapper success after retry ===="
 840         else
 841             vtlog "==== create ventoy device mapper failed after retry ===="
 842             return
 843         fi
 844     fi
 845
 846     if [ "$2" = "noreplace" ]; then
 847         vtlog "no need to replace block device"
 848     else
 849         ventoy_copy_device_mapper "/dev/$1"
 850     fi
 851
 852     if [ -f $VTOY_PATH/ventoy_persistent_map ]; then
 853         create_persistent_device_mapper "/dev/$VTDISK"
 854         ventoy_create_persistent_link
 855     fi
 856
 857     if $GREP -q 'dm_patch' /proc/modules; then
 858         vtlog "remove dm_patch module."
 859         $BUSYBOX_PATH/rmmod dm_patch
 860     fi
 861 }
 862
 863 ventoy_create_dev_ventoy_part() {
 864     blkdev_num=$($VTOY_PATH/tool/dmsetup ls | $GREP ventoy | $SED 's/.*(\([0-9][0-9]*\),.*\([0-9][0-9]*\).*/\1 \2/')
 865     $BUSYBOX_PATH/mknod -m 0666 /dev/ventoy b $blkdev_num
 866
 867     if [ -e /vtoy_dm_table ]; then
 868         vtPartid=1
 869
 870         vtLevel1=$($CAT /proc/sys/kernel/printk | $AWK '{print $1}')
 871         vtLevel2=$($CAT /proc/sys/kernel/printk | $AWK '{print $2}')
 872         vtLevel3=$($CAT /proc/sys/kernel/printk | $AWK '{print $3}')
 873         vtLevel4=$($CAT /proc/sys/kernel/printk | $AWK '{print $4}')
 874         if [ -f $VTOY_PATH/dm_patch_done ]; then
 875             #suppress printk message
 876             echo 0 $vtLevel2 0 $vtLevel4 > /proc/sys/kernel/printk
 877         fi
 878
 879         $CAT /vtoy_dm_table | while read vtline; do
 880             echo $vtline > /ventoy/dm_table_part${vtPartid}
 881             $VTOY_PATH/tool/dmsetup create ventoy${vtPartid} /ventoy/dm_table_part${vtPartid}
 882
 883             blkdev_num=$($VTOY_PATH/tool/dmsetup ls | $GREP ventoy${vtPartid} | $SED 's/.*(\([0-9][0-9]*\),.*\([0-9][0-9]*\).*/\1 \2/')
 884             $BUSYBOX_PATH/mknod -m 0666 /dev/ventoy${vtPartid} b $blkdev_num
 885
 886             vtPartid=$(expr $vtPartid + 1)
 887         done
 888
 889         if [ -f $VTOY_PATH/dm_patch_done ]; then
 890             #recover printk level
 891             echo $vtLevel1 $vtLevel2 $vtLevel3 $vtLevel4 > /proc/sys/kernel/printk
 892         fi
 893     fi
 894 }
 895
 896
 897 ventoy_create_chromeos_ventoy_part() {
 898     blkdev_num=$($VTOY_PATH/tool/dmsetup ls | $GREP ventoy | $SED 's/.*(\([0-9][0-9]*\),.*\([0-9][0-9]*\).*/\1 \2/')
 899     $BUSYBOX_PATH/mknod -m 0666 /dev/ventoy b $blkdev_num
 900
 901     if [ -e /vtoy_dm_table ]; then
 902         vtPartid=1
 903
 904         $CAT /vtoy_dm_table | while read vtline; do
 905             echo $vtline > /ventoy/dm_table_part${vtPartid}
 906
 907             if [ $vtPartid -eq $1 ]; then
 908                 $VTOY_PATH/tool/dmsetup create ventoy${vtPartid} /ventoy/dm_table_part${vtPartid} --readonly
 909             else
 910                 $VTOY_PATH/tool/dmsetup create ventoy${vtPartid} /ventoy/dm_table_part${vtPartid}
 911             fi
 912
 913             blkdev_num=$($VTOY_PATH/tool/dmsetup ls | $GREP ventoy${vtPartid} | $SED 's/.*(\([0-9][0-9]*\),.*\([0-9][0-9]*\).*/\1 \2/')
 914             $BUSYBOX_PATH/mknod -m 0666 /dev/ventoy${vtPartid} b $blkdev_num
 915
 916             vtPartid=$(expr $vtPartid + 1)
 917         done
 918     fi
 919 }
 920
 921 is_inotify_ventoy_part() {
 922     if echo $1 | $GREP -q "2$"; then
 923         if ! [ -e /sys/block/$1 ]; then
 924             if [ -e /sys/class/block/$1 ]; then
 925                 if echo $1 | $EGREP -q "nvme|mmc|nbd"; then
 926                     vtShortName=${1:0:-2}
 927                 else
 928                     vtShortName=${1:0:-1}
 929                 fi
 930
 931                 if [ -e /dev/$vtShortName ]; then
 932                     if [ "$VTOY_VLNK_BOOT" = "01" ]; then
 933                         vtOrgDiskName=$($VTOY_PATH/tool/vtoydump -t $VTOY_PATH/ventoy_os_param)
 934                         [ "$vtOrgDiskName" = "/dev/$vtShortName" ]
 935                     else
 936                         $VTOY_PATH/tool/vtoydump -f $VTOY_PATH/ventoy_os_param -c $vtShortName
 937                     fi
 938                     return
 939                 fi
 940             fi
 941         fi
 942     fi
 943
 944     [ "1" = "0" ]
 945 }
 946
 947 ventoy_find_dm_id() {
 948     for vt in $($BUSYBOX_PATH/ls /sys/block/); do
 949         if [ "${vt:0:3}" = "dm-" ]; then
 950             vtMajorMinor=$($CAT /sys/block/$vt/dev)
 951             if [ "$vtMajorMinor" = "$1" ]; then
 952                 echo ${vt}
 953                 return
 954             fi
 955         fi
 956     done
 957     echo 'xx'
 958 }
 959
 960 ventoy_swap_device() {
 961     mv $1 $VTOY_PATH/swap_tmp_dev
 962     mv $2 $1
 963     mv $VTOY_PATH/swap_tmp_dev $2
 964 }
 965
 966 ventoy_extract_vtloopex() {
 967     vtCurPwd=$PWD
 968     $BUSYBOX_PATH/mkdir -p $VTOY_PATH/partmnt $VTOY_PATH/vtloopex
 969     $BUSYBOX_PATH/mount -o ro -t vfat $1  $VTOY_PATH/partmnt
 970     cd $VTOY_PATH/vtloopex
 971     $CAT $VTOY_PATH/partmnt/ventoy/vtloopex.cpio | $BUSYBOX_PATH/cpio -idm >> $VTLOG 2>&1
 972     $BUSYBOX_PATH/umount $VTOY_PATH/partmnt
 973     $BUSYBOX_PATH/rm -rf $VTOY_PATH/partmnt
 974
 975     if [ -n "$2" ]; then
 976         cd $VTOY_PATH/vtloopex/$2/
 977         $BUSYBOX_PATH/tar -xJf vtloopex.tar.xz
 978     fi
 979
 980     cd $vtCurPwd
 981 }
 982
 983 ventoy_check_install_module_xz() {
 984     if [ -f "${1}.xz" ]; then
 985         $BUSYBOX_PATH/xz -d  "${1}.xz"
 986         $BUSYBOX_PATH/insmod "$1"
 987     fi
 988 }
 989
 990 ventoy_check_umount() {
 991     for vtLoop in 0 1 2 3 4 5 6 7 8 9; do
 992         $BUSYBOX_PATH/umount "$1" > /dev/null 2>&1
 993         if $BUSYBOX_PATH/mountpoint -q "$1"; then
 994             $SLEEP 1
 995         else
 996             break
 997         fi
 998     done
 999 }
1000
1001 ventoy_wait_dir() {
1002     vtdir=$1
1003     vtsec=0
1004
1005     while [ $vtsec -lt $2 ]; do
1006         if [ -d "$vtdir" ]; then
1007             break
1008         else
1009             $SLEEP 1
1010             vtsec=$(expr $vtsec + 1)
1011         fi
1012     done
1013 }