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     if $GREP -m1 -q 'open_table_device.isra' $VTOY_PATH/kallsyms; then
 282         vtLine=$($VTOY_PATH/tool/vtoyksym open_table_device.isra $VTOY_PATH/kallsyms)
 283         vtlog "get open_table_device.isra address $vtLine"
 284     else
 285         vtLine=$($VTOY_PATH/tool/vtoyksym dm_get_table_device $VTOY_PATH/kallsyms)
 286         vtlog "get dm_get_table_device address $vtLine"
 287     fi
 288     get_addr=$(echo $vtLine | $AWK '{print $1}')
 289     get_size=$(echo $vtLine | $AWK '{print $2}')
 290
 291     if $GREP -m1 -q 'close_table_device.isra' $VTOY_PATH/kallsyms; then
 292         vtLine=$($VTOY_PATH/tool/vtoyksym close_table_device.isra $VTOY_PATH/kallsyms)
 293         vtlog "get close_table_device.isra address $vtLine"
 294     else
 295         vtLine=$($VTOY_PATH/tool/vtoyksym dm_put_table_device $VTOY_PATH/kallsyms)
 296         vtlog "get dm_put_table_device address $vtLine"
 297     fi
 298     put_addr=$(echo $vtLine | $AWK '{print $1}')
 299     put_size=$(echo $vtLine | $AWK '{print $2}')
 300
 301     ro_addr=$($GREP ' set_memory_ro$' /proc/kallsyms | $AWK '{print $1}')
 302     rw_addr=$($GREP ' set_memory_rw$' /proc/kallsyms | $AWK '{print $1}')
 303     kprobe_reg_addr=$($GREP ' register_kprobe$' /proc/kallsyms | $AWK '{print $1}')
 304     kprobe_unreg_addr=$($GREP ' unregister_kprobe$' /proc/kallsyms | $AWK '{print $1}')
 305
 306     if [ "$VTOY_DEBUG_LEVEL" = "01" ]; then
 307         printk_addr=$($GREP ' printk$' /proc/kallsyms | $AWK '{print $1}')
 308         vtDebug="-v"
 309     else
 310         printk_addr=0
 311     fi
 312
 313     #printk_addr=$($GREP ' printk$' /proc/kallsyms | $AWK '{print $1}')
 314     #vtDebug="-v"
 315
 316     vtlog get_addr=$get_addr  get_size=$get_size
 317     vtlog put_addr=$put_addr  put_size=$put_size
 318     vtlog kprobe_reg_addr=$kprobe_reg_addr  kprobe_unreg_addr=$kprobe_unreg_addr
 319     vtlog ro_addr=$ro_addr  rw_addr=$rw_addr  printk_addr=$printk_addr
 320
 321     if [ "$get_addr" = "0" -o "$put_addr" = "0" ]; then
 322         vtlog "Invalid symbol address"
 323         return
 324     fi
 325     if [ "$ro_addr" = "0" -o "$rw_addr" = "0" ]; then
 326         vtlog "Invalid symbol address"
 327         return
 328     fi
 329
 330
 331     vtKv=$($BUSYBOX_PATH/uname -r)
 332
 333     if [ ! -d /lib/modules/$vtKv ]; then
 334         vtlog "No modules directory found"
 335         return
 336     elif [ -d /lib/modules/$vtKv/kernel/fs ]; then
 337         vtModPath=$($FIND /lib/modules/$vtKv/kernel/fs/ -name "*.ko*" | $HEAD -n1)
 338     else
 339         vtModPath=$($FIND /lib/modules/$vtKv/kernel/ -name "xfs.ko*" | $HEAD -n1)
 340     fi
 341
 342     if [ -z "$vtModPath" ]; then
 343         vtModPath=$($FIND /lib/modules/$vtKv/kernel/ -name "*.ko*" | $HEAD -n1)
 344     fi
 345
 346     vtModName=$($BUSYBOX_PATH/basename $vtModPath)
 347
 348     vtlog "template module is $vtModPath $vtModName"
 349
 350     if [ -z "$vtModPath" ]; then
 351         vtlog "No template module found"
 352         return
 353     elif echo $vtModPath | $GREP -q "[.]ko$"; then
 354         $BUSYBOX_PATH/cp -a $vtModPath  $VTOY_PATH/$vtModName
 355     elif echo $vtModPath | $GREP -q "[.]ko[.]xz$"; then
 356         $BUSYBOX_PATH/xzcat $vtModPath > $VTOY_PATH/$vtModName
 357     elif echo $vtModPath | $GREP -q "[.]ko[.]gz$"; then
 358         $BUSYBOX_PATH/zcat $vtModPath > $VTOY_PATH/$vtModName
 359     else
 360         vtlog "unsupport module type"
 361         return
 362     fi
 363
 364     #step1: modify vermagic/mod crc/relocation
 365     vtlog "$VTOY_PATH/tool/vtoykmod -u $VTOY_PATH/tool/$vtKoName $VTOY_PATH/$vtModName $vtDebug"
 366     $VTOY_PATH/tool/vtoykmod -u $VTOY_PATH/tool/$vtKoName $VTOY_PATH/$vtModName $vtDebug
 367
 368     #step2: fill parameters
 369     vtPgsize=$($VTOY_PATH/tool/vtoyksym -p)
 370     vtlog "$VTOY_PATH/tool/vtoykmod -f $VTOY_PATH/tool/$vtKoName $vtPgsize 0x$printk_addr 0x$ro_addr 0x$rw_addr $get_addr $get_size $put_addr $put_size 0x$kprobe_reg_addr 0x$kprobe_unreg_addr $vtDebug"
 371     $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
 372
 373     $BUSYBOX_PATH/insmod $VTOY_PATH/tool/$vtKoName
 374
 375     if $GREP -q 'dm_patch' /proc/modules; then
 376         echo "done" > $VTOY_PATH/dm_patch_done
 377     fi
 378
 379 }
 380
 381 create_ventoy_device_mapper() {
 382     vtlog "create_ventoy_device_mapper $*"
 383
 384     VT_DM_BIN=$(ventoy_find_bin_path dmsetup)
 385     if [ -z "$VT_DM_BIN" ]; then
 386         vtlog "no dmsetup avaliable, lastly try inbox dmsetup"
 387         VT_DM_BIN=$VTOY_PATH/tool/dmsetup
 388     fi
 389
 390     vtlog "dmsetup avaliable in system $VT_DM_BIN"
 391
 392     if ventoy_check_dm_module "$1"; then
 393         vtlog "device-mapper module check success"
 394     else
 395         vterr "Error: no dm module avaliable"
 396     fi
 397
 398     $VTOY_PATH/tool/vtoydm -p -f $VTOY_PATH/ventoy_image_map -d $1 > $VTOY_PATH/ventoy_dm_table
 399
 400
 401     vtLevel1=$($CAT /proc/sys/kernel/printk | $AWK '{print $1}')
 402     vtLevel2=$($CAT /proc/sys/kernel/printk | $AWK '{print $2}')
 403     vtLevel3=$($CAT /proc/sys/kernel/printk | $AWK '{print $3}')
 404     vtLevel4=$($CAT /proc/sys/kernel/printk | $AWK '{print $4}')
 405     if ventoy_need_dm_patch; then
 406         ventoy_dm_patch
 407         #suppress printk message
 408         echo 0 $vtLevel2 0 $vtLevel4 > /proc/sys/kernel/printk
 409     fi
 410
 411     if [ -z "$2" ]; then
 412         $VT_DM_BIN create ventoy $VTOY_PATH/ventoy_dm_table >>$VTLOG 2>&1
 413     else
 414         $VT_DM_BIN "$2" create ventoy $VTOY_PATH/ventoy_dm_table >>$VTLOG 2>&1
 415     fi
 416
 417     if ventoy_need_dm_patch; then
 418         #recover printk level
 419         echo $vtLevel1 $vtLevel2 $vtLevel3 $vtLevel4 > /proc/sys/kernel/printk
 420     fi
 421 }
 422
 423 create_persistent_device_mapper() {
 424     vtlog "create_persistent_device_mapper $*"
 425
 426     VT_DM_BIN=$(ventoy_find_bin_path dmsetup)
 427     if [ -z "$VT_DM_BIN" ]; then
 428         vtlog "no dmsetup avaliable, lastly try inbox dmsetup"
 429         VT_DM_BIN=$VTOY_PATH/tool/dmsetup
 430     fi
 431
 432     vtlog "dmsetup avaliable in system $VT_DM_BIN"
 433
 434     if ventoy_check_dm_module "$1"; then
 435         vtlog "device-mapper module check success"
 436     else
 437         vterr "Error: no dm module avaliable"
 438     fi
 439
 440     $VTOY_PATH/tool/vtoydm -p -f $VTOY_PATH/ventoy_persistent_map -d $1 > $VTOY_PATH/persistent_dm_table
 441
 442
 443     vtLevel1=$($CAT /proc/sys/kernel/printk | $AWK '{print $1}')
 444     vtLevel2=$($CAT /proc/sys/kernel/printk | $AWK '{print $2}')
 445     vtLevel3=$($CAT /proc/sys/kernel/printk | $AWK '{print $3}')
 446     vtLevel4=$($CAT /proc/sys/kernel/printk | $AWK '{print $4}')
 447     if [ -f $VTOY_PATH/dm_patch_done ]; then
 448         #suppress printk message
 449         echo 0 $vtLevel2 0 $vtLevel4 > /proc/sys/kernel/printk
 450     fi
 451
 452     $VT_DM_BIN create vtoy_persistent $VTOY_PATH/persistent_dm_table >>$VTLOG 2>&1
 453
 454     if [ -f $VTOY_PATH/dm_patch_done ]; then
 455         #recover printk level
 456         echo $vtLevel1 $vtLevel2 $vtLevel3 $vtLevel4 > /proc/sys/kernel/printk
 457     fi
 458 }
 459
 460
 461
 462 wait_for_ventoy_dm_disk_label() {
 463     DM=$($BUSYBOX_PATH/readlink $VTOY_DM_PATH)
 464     vtlog "wait_for_ventoy_dm_disk_label $DM ..."
 465
 466     for i in 0 1 2 3 4 5 6 7 8 9; do
 467         vtlog "i=$i ####### ls /dev/disk/by-label/"
 468         ls -l /dev/disk/by-label/ >> $VTLOG
 469
 470         if ls -l /dev/disk/by-label/ | $GREP -q "$DM"; then
 471             break
 472         else
 473             $SLEEP 1
 474         fi
 475     done
 476 }
 477
 478 install_udeb_pkg() {
 479     if ! [ -e "$1" ]; then
 480         $BUSYBOX_PATH/false
 481         return
 482     fi
 483
 484     if [ -d /tmp/vtoy_udeb ]; then
 485         $BUSYBOX_PATH/rm -rf /tmp/vtoy_udeb
 486     fi
 487
 488     $BUSYBOX_PATH/mkdir -p /tmp/vtoy_udeb
 489     $BUSYBOX_PATH/cp -a "$1" /tmp/vtoy_udeb/
 490
 491     CURDIR=$($BUSYBOX_PATH/pwd)
 492     cd /tmp/vtoy_udeb
 493
 494     $BUSYBOX_PATH/ar x "$1"
 495
 496     if [ -e 'data.tar.gz' ]; then
 497         $BUSYBOX_PATH/tar -xzf data.tar.gz -C /
 498     elif [ -e 'data.tar.xz' ]; then
 499         $BUSYBOX_PATH/tar -xJf data.tar.xz -C /
 500     elif [ -e 'data.tar.bz2' ]; then
 501         $BUSYBOX_PATH/tar -xjf data.tar.bz2 -C /
 502     elif [ -e 'data.tar.lzma' ]; then
 503         $BUSYBOX_PATH/tar -xaf data.tar.lzma -C /
 504     fi
 505
 506     if [ -e 'control.tar.gz' ]; then
 507         $BUSYBOX_PATH/tar -xzf control.tar.gz -C /
 508     elif [ -e 'control.tar.xz' ]; then
 509         $BUSYBOX_PATH/tar -xJf control.tar.xz -C /
 510     elif [ -e 'control.tar.bz2' ]; then
 511         $BUSYBOX_PATH/tar -xjf control.tar.bz2 -C /
 512     elif [ -e 'control.tar.lzma' ]; then
 513         $BUSYBOX_PATH/tar -xaf control.tar.lzma -C /
 514     fi
 515
 516     cd $CURDIR
 517     $BUSYBOX_PATH/rm -rf /tmp/vtoy_udeb
 518     $BUSYBOX_PATH/true
 519 }
 520
 521
 522 install_udeb_from_line() {
 523     vtlog "install_udeb_from_line $1"
 524
 525     if ! [ -b "$2" ]; then
 526         vterr "disk #$2# not exist"
 527         return
 528     fi
 529
 530     sector=$(echo $1 | $AWK '{print $(NF-1)}')
 531     length=$(echo $1 | $AWK '{print $NF}')
 532     vtlog "sector=$sector  length=$length"
 533
 534     $VTOY_PATH/tool/vtoydm -e -f $VTOY_PATH/ventoy_image_map -d ${2} -s $sector -l $length -o /tmp/xxx.udeb
 535     if [ -e /tmp/xxx.udeb ]; then
 536         vtlog "extract udeb file from iso success"
 537     else
 538         vterr "extract udeb file from iso fail"
 539         return
 540     fi
 541
 542     install_udeb_pkg /tmp/xxx.udeb
 543     $BUSYBOX_PATH/rm -f /tmp/xxx.udeb
 544 }
 545
 546 extract_file_from_line() {
 547     vtlog "extract_file_from_line $1 disk=#$2#"
 548     if ! [ -b "$2" ]; then
 549         vterr "disk #$2# not exist"
 550         return
 551     fi
 552
 553     sector=$(echo $1 | $AWK '{print $(NF-1)}')
 554     length=$(echo $1 | $AWK '{print $NF}')
 555     vtlog "sector=$sector  length=$length"
 556
 557     $VTOY_PATH/tool/vtoydm -e -f $VTOY_PATH/ventoy_image_map -d ${2} -s $sector -l $length -o $3
 558     if [ -e $3 ]; then
 559         vtlog "extract file from iso success"
 560         $BUSYBOX_PATH/true
 561     else
 562         vterr "extract file from iso fail"
 563         $BUSYBOX_PATH/false
 564     fi
 565 }
 566
 567 extract_rpm_from_line() {
 568     vtlog "extract_rpm_from_line $1 disk=#$2#"
 569
 570     if ! [ -b "$2" ]; then
 571         vterr "disk #$2# not exist"
 572         return
 573     fi
 574
 575     sector=$(echo $1 | $AWK '{print $(NF-1)}')
 576     length=$(echo $1 | $AWK '{print $NF}')
 577     vtlog "sector=$sector  length=$length"
 578
 579     $VTOY_PATH/tool/vtoydm -e -f $VTOY_PATH/ventoy_image_map -d ${2} -s $sector -l $length -o /tmp/xxx.rpm
 580     if [ -e /tmp/xxx.rpm ]; then
 581         vtlog "extract rpm file from iso success"
 582     else
 583         vterr "extract rpm file from iso fail"
 584         return
 585     fi
 586
 587     CURPWD=$($BUSYBOX_PATH/pwd)
 588
 589     $BUSYBOX_PATH/mkdir -p $VTOY_PATH/rpm
 590     cd $VTOY_PATH/rpm
 591     vtlog "extract rpm..."
 592     $BUSYBOX_PATH/rpm2cpio /tmp/xxx.rpm | $BUSYBOX_PATH/cpio -idm 2>>$VTLOG
 593     cd $CURPWD
 594
 595     $BUSYBOX_PATH/rm -f /tmp/xxx.rpm
 596 }
 597
 598 install_rpm_from_line() {
 599     vtlog "install_rpm_from_line $1 disk=#$2#"
 600
 601     if ! [ -b "$2" ]; then
 602         vterr "disk #$2# not exist"
 603         return
 604     fi
 605
 606     sector=$(echo $1 | $AWK '{print $(NF-1)}')
 607     length=$(echo $1 | $AWK '{print $NF}')
 608     vtlog "sector=$sector  length=$length"
 609
 610     $VTOY_PATH/tool/vtoydm -e -f $VTOY_PATH/ventoy_image_map -d ${2} -s $sector -l $length -o /tmp/xxx.rpm
 611     if [ -e /tmp/xxx.rpm ]; then
 612         vtlog "extract rpm file from iso success"
 613     else
 614         vterr "extract rpm file from iso fail"
 615         return
 616     fi
 617
 618     CURPWD=$($BUSYBOX_PATH/pwd)
 619
 620     cd /
 621     vtlog "install rpm..."
 622     $BUSYBOX_PATH/rpm2cpio /tmp/xxx.rpm | $BUSYBOX_PATH/cpio -idm 2>>$VTLOG
 623     cd $CURPWD
 624
 625     $BUSYBOX_PATH/rm -f /tmp/xxx.rpm
 626 }
 627
 628 dump_whole_iso_file() {
 629    $VTOY_PATH/tool/vtoydm -p -f $VTOY_PATH/ventoy_image_map -d $usb_disk | while read vtline; do
 630         vtlog "dmtable line: $vtline"
 631         vtcount=$(echo $vtline | $AWK '{print $2}')
 632         vtoffset=$(echo $vtline | $AWK '{print $NF}')
 633         $BUSYBOX_PATH/dd if=$usb_disk of="$1" bs=512 count=$vtcount skip=$vtoffset oflag=append conv=notrunc
 634     done
 635 }
 636
 637 ventoy_copy_device_mapper() {
 638     if [ -L $VTOY_DM_PATH ]; then
 639         vtlog "replace block device link $1..."
 640         $BUSYBOX_PATH/mv "$1" $VTOY_PATH/dev_backup_${1#/dev/}
 641         VT_MAPPER_LINK=$($BUSYBOX_PATH/readlink $VTOY_DM_PATH)
 642         $BUSYBOX_PATH/cp -a "/dev/mapper/$VT_MAPPER_LINK" "$1"
 643     elif [ -b $VTOY_DM_PATH ]; then
 644         vtlog "replace block device $1..."
 645         $BUSYBOX_PATH/mv "$1" $VTOY_PATH/dev_backup_${1#/dev/}
 646         $BUSYBOX_PATH/cp -a "$VTOY_DM_PATH" "$1"
 647     else
 648
 649         vtlog "$VTOY_DM_PATH not exist, now check /dev/dm-X ..."
 650         VT_DM_BIN=$(ventoy_find_bin_path dmsetup)
 651         if [ -z "$VT_DM_BIN" ]; then
 652             vtlog "no dmsetup avaliable, lastly try inbox dmsetup"
 653             VT_DM_BIN=$VTOY_PATH/tool/dmsetup
 654         fi
 655
 656         DM_VT_ID=$($VT_DM_BIN ls | $GREP ventoy | $SED 's/.*(\([0-9][0-9]*\),.*\([0-9][0-9]*\).*/\1 \2/')
 657         vtlog "DM_VT_ID=$DM_VT_ID ..."
 658         $BUSYBOX_PATH/mv "$1" $VTOY_PATH/dev_backup_${1#/dev/}
 659         $BUSYBOX_PATH/mknod -m 0666 "$1" b $DM_VT_ID
 660     fi
 661 }
 662
 663 # create link for device-mapper
 664 ventoy_create_persistent_link() {
 665     blkdev_num=$($VTOY_PATH/tool/dmsetup ls | grep vtoy_persistent | sed 's/.*(\([0-9][0-9]*\),.*\([0-9][0-9]*\).*/\1:\2/')
 666     vtDM=$(ventoy_find_dm_id ${blkdev_num})
 667
 668     if ! [ -d /dev/disk/by-label ]; then
 669         mkdir -p /dev/disk/by-label
 670     fi
 671
 672     VTLABEL=$($BUSYBOX_PATH/blkid /dev/$vtDM | $SED 's/.*LABEL="\([^"]*\)".*/\1/')
 673     if [ -z "$VTLABEL" ]; then
 674         VTLABEL=casper-rw
 675     fi
 676
 677     vtlog "Persistent Label: ##${VTLABEL}##"
 678
 679     if ! [ -e /dev/disk/by-label/$VTLABEL ]; then
 680         vtOldDir=$PWD
 681         cd /dev/disk/by-label
 682         ln -s ../../$vtDM $VTLABEL
 683         cd $vtOldDir
 684     fi
 685 }
 686
 687 ventoy_partname_to_diskname() {
 688     if echo $1 | $EGREP -q "nvme.*p[0-9]$|mmc.*p[0-9]$|nbd.*p[0-9]$"; then
 689         echo -n "${1:0:-2}"
 690     else
 691         echo -n "${1:0:-1}"
 692     fi
 693 }
 694
 695 ventoy_diskname_to_partname() {
 696     if echo $1 | $EGREP -q "nvme.*p[0-9]$|mmc.*p[0-9]$|nbd.*p[0-9]$"; then
 697         echo -n "${1}p$2"
 698     else
 699         echo -n "${1}$2"
 700     fi
 701 }
 702
 703 ventoy_udev_disk_common_hook() {
 704     if echo $1 | $EGREP -q "nvme.*p[0-9]$|mmc.*p[0-9]$|nbd.*p[0-9]$"; then
 705         VTDISK="${1:0:-2}"
 706     else
 707         VTDISK="${1:0:-1}"
 708     fi
 709
 710     if [ -e /vtoy/vtoy ]; then
 711         VTRWMOD=""
 712     else
 713         VTRWMOD="--readonly"
 714     fi
 715
 716     # create device mapper for iso image file
 717     if create_ventoy_device_mapper "/dev/$VTDISK" $VTRWMOD; then
 718         vtlog "==== create ventoy device mapper success ===="
 719     else
 720         vtlog "==== create ventoy device mapper failed ===="
 721
 722         $SLEEP 3
 723
 724         if $GREP -q "/dev/$VTDISK" /proc/mounts; then
 725             $GREP "/dev/$VTDISK" /proc/mounts | while read vtLine; do
 726                 vtPart=$(echo $vtLine | $AWK '{print $1}')
 727                 vtMnt=$(echo $vtLine | $AWK '{print $2}')
 728                 vtlog "$vtPart is mounted on $vtMnt  now umount it ..."
 729                 $BUSYBOX_PATH/umount $vtMnt
 730             done
 731         fi
 732
 733         if create_ventoy_device_mapper "/dev/$VTDISK" $VTRWMOD; then
 734             vtlog "==== create ventoy device mapper success after retry ===="
 735         else
 736             vtlog "==== create ventoy device mapper failed after retry ===="
 737             return
 738         fi
 739     fi
 740
 741     if [ "$2" = "noreplace" ]; then
 742         vtlog "no need to replace block device"
 743     else
 744         ventoy_copy_device_mapper "/dev/$1"
 745     fi
 746
 747     if [ -f $VTOY_PATH/ventoy_persistent_map ]; then
 748         create_persistent_device_mapper "/dev/$VTDISK"
 749         ventoy_create_persistent_link
 750     fi
 751
 752     if $GREP -q 'dm_patch' /proc/modules; then
 753         vtlog "remove dm_patch module."
 754         $BUSYBOX_PATH/rmmod dm_patch
 755     fi
 756 }
 757
 758 ventoy_create_dev_ventoy_part() {
 759     blkdev_num=$($VTOY_PATH/tool/dmsetup ls | $GREP ventoy | $SED 's/.*(\([0-9][0-9]*\),.*\([0-9][0-9]*\).*/\1 \2/')
 760     $BUSYBOX_PATH/mknod -m 0666 /dev/ventoy b $blkdev_num
 761
 762     if [ -e /vtoy_dm_table ]; then
 763         vtPartid=1
 764
 765         vtLevel1=$($CAT /proc/sys/kernel/printk | $AWK '{print $1}')
 766         vtLevel2=$($CAT /proc/sys/kernel/printk | $AWK '{print $2}')
 767         vtLevel3=$($CAT /proc/sys/kernel/printk | $AWK '{print $3}')
 768         vtLevel4=$($CAT /proc/sys/kernel/printk | $AWK '{print $4}')
 769         if [ -f $VTOY_PATH/dm_patch_done ]; then
 770             #suppress printk message
 771             echo 0 $vtLevel2 0 $vtLevel4 > /proc/sys/kernel/printk
 772         fi
 773
 774         $CAT /vtoy_dm_table | while read vtline; do
 775             echo $vtline > /ventoy/dm_table_part${vtPartid}
 776             $VTOY_PATH/tool/dmsetup create ventoy${vtPartid} /ventoy/dm_table_part${vtPartid}
 777
 778             blkdev_num=$($VTOY_PATH/tool/dmsetup ls | $GREP ventoy${vtPartid} | $SED 's/.*(\([0-9][0-9]*\),.*\([0-9][0-9]*\).*/\1 \2/')
 779             $BUSYBOX_PATH/mknod -m 0666 /dev/ventoy${vtPartid} b $blkdev_num
 780
 781             vtPartid=$(expr $vtPartid + 1)
 782         done
 783
 784         if [ -f $VTOY_PATH/dm_patch_done ]; then
 785             #recover printk level
 786             echo $vtLevel1 $vtLevel2 $vtLevel3 $vtLevel4 > /proc/sys/kernel/printk
 787         fi
 788     fi
 789 }
 790
 791
 792 ventoy_create_chromeos_ventoy_part() {
 793     blkdev_num=$($VTOY_PATH/tool/dmsetup ls | $GREP ventoy | $SED 's/.*(\([0-9][0-9]*\),.*\([0-9][0-9]*\).*/\1 \2/')
 794     $BUSYBOX_PATH/mknod -m 0666 /dev/ventoy b $blkdev_num
 795
 796     if [ -e /vtoy_dm_table ]; then
 797         vtPartid=1
 798
 799         $CAT /vtoy_dm_table | while read vtline; do
 800             echo $vtline > /ventoy/dm_table_part${vtPartid}
 801
 802             if [ $vtPartid -eq $1 ]; then
 803                 $VTOY_PATH/tool/dmsetup create ventoy${vtPartid} /ventoy/dm_table_part${vtPartid} --readonly
 804             else
 805                 $VTOY_PATH/tool/dmsetup create ventoy${vtPartid} /ventoy/dm_table_part${vtPartid}
 806             fi
 807
 808             blkdev_num=$($VTOY_PATH/tool/dmsetup ls | $GREP ventoy${vtPartid} | $SED 's/.*(\([0-9][0-9]*\),.*\([0-9][0-9]*\).*/\1 \2/')
 809             $BUSYBOX_PATH/mknod -m 0666 /dev/ventoy${vtPartid} b $blkdev_num
 810
 811             vtPartid=$(expr $vtPartid + 1)
 812         done
 813     fi
 814 }
 815
 816 is_inotify_ventoy_part() {
 817     if echo $1 | $GREP -q "2$"; then
 818         if ! [ -e /sys/block/$1 ]; then
 819             if [ -e /sys/class/block/$1 ]; then
 820                 if echo $1 | $EGREP -q "nvme|mmc|nbd"; then
 821                     vtShortName=${1:0:-2}
 822                 else
 823                     vtShortName=${1:0:-1}
 824                 fi
 825
 826                 if [ -e /dev/$vtShortName ]; then
 827                     if [ "$VTOY_VLNK_BOOT" = "01" ]; then
 828                         vtOrgDiskName=$($VTOY_PATH/tool/vtoydump -t $VTOY_PATH/ventoy_os_param)
 829                         [ "$vtOrgDiskName" = "/dev/$vtShortName" ]
 830                     else
 831                         $VTOY_PATH/tool/vtoydump -f $VTOY_PATH/ventoy_os_param -c $vtShortName
 832                     fi
 833                     return
 834                 fi
 835             fi
 836         fi
 837     fi
 838
 839     [ "1" = "0" ]
 840 }
 841
 842 ventoy_find_dm_id() {
 843     for vt in $($BUSYBOX_PATH/ls /sys/block/); do
 844         if [ "${vt:0:3}" = "dm-" ]; then
 845             vtMajorMinor=$($CAT /sys/block/$vt/dev)
 846             if [ "$vtMajorMinor" = "$1" ]; then
 847                 echo ${vt}
 848                 return
 849             fi
 850         fi
 851     done
 852     echo 'xx'
 853 }
 854
 855 ventoy_swap_device() {
 856     mv $1 $VTOY_PATH/swap_tmp_dev
 857     mv $2 $1
 858     mv $VTOY_PATH/swap_tmp_dev $2
 859 }
 860
 861 ventoy_extract_vtloopex() {
 862     vtCurPwd=$PWD
 863     $BUSYBOX_PATH/mkdir -p $VTOY_PATH/partmnt $VTOY_PATH/vtloopex
 864     $BUSYBOX_PATH/mount -o ro -t vfat $1  $VTOY_PATH/partmnt
 865     cd $VTOY_PATH/vtloopex
 866     $CAT $VTOY_PATH/partmnt/ventoy/vtloopex.cpio | $BUSYBOX_PATH/cpio -idm >> $VTLOG 2>&1
 867     $BUSYBOX_PATH/umount $VTOY_PATH/partmnt
 868     $BUSYBOX_PATH/rm -rf $VTOY_PATH/partmnt
 869
 870     if [ -n "$2" ]; then
 871         cd $VTOY_PATH/vtloopex/$2/
 872         $BUSYBOX_PATH/tar -xJf vtloopex.tar.xz
 873     fi
 874
 875     cd $vtCurPwd
 876 }
 877
 878 ventoy_check_install_module_xz() {
 879     if [ -f "${1}.xz" ]; then
 880         $BUSYBOX_PATH/xz -d  "${1}.xz"
 881         $BUSYBOX_PATH/insmod "$1"
 882     fi
 883 }
 884
 885 ventoy_check_umount() {
 886     for vtLoop in 0 1 2 3 4 5 6 7 8 9; do
 887         $BUSYBOX_PATH/umount "$1" > /dev/null 2>&1
 888         if $BUSYBOX_PATH/mountpoint -q "$1"; then
 889             $SLEEP 1
 890         else
 891             break
 892         fi
 893     done
 894 }