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Ventoy/IMG/cpio/ventoy/hook/ventoy-hook-lib.sh
longpanda 132649c4e5 Add F5 Tools ---> Hardware Information menu
2022-04-06 19:12:59 +08:00

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#!/ventoy/busybox/sh
#************************************************************************************
# Copyright (c) 2020, longpanda <admin@ventoy.net>
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 3 of the
# License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, see <http://www.gnu.org/licenses/>.
#
#************************************************************************************
VTOY_PATH=/ventoy
BUSYBOX_PATH=$VTOY_PATH/busybox
VTLOG=$VTOY_PATH/log
FIND=$BUSYBOX_PATH/find
GREP=$BUSYBOX_PATH/grep
EGREP=$BUSYBOX_PATH/egrep
CAT=$BUSYBOX_PATH/cat
AWK=$BUSYBOX_PATH/awk
SED=$BUSYBOX_PATH/sed
SLEEP=$BUSYBOX_PATH/sleep
HEAD=$BUSYBOX_PATH/head
VTOY_DM_PATH=/dev/mapper/ventoy
VTOY_DEBUG_LEVEL=$($BUSYBOX_PATH/hexdump -n 1 -s 450 -e '1/1 "%02x"' $VTOY_PATH/ventoy_os_param)
VTOY_LINUX_REMOUNT=$($BUSYBOX_PATH/hexdump -n 1 -s 454 -e '1/1 "%02x"' $VTOY_PATH/ventoy_os_param)
VTOY_VLNK_BOOT=$($BUSYBOX_PATH/hexdump -n 1 -s 455 -e '1/1 "%02x"' $VTOY_PATH/ventoy_os_param)
if [ "$VTOY_DEBUG_LEVEL" = "01" ]; then
if [ -e /dev/console ]; then
VTLOG=/dev/console
fi
fi
vtlog() {
if [ "$VTLOG" = "$VTOY_PATH/log" ]; then
echo "$*" >>$VTLOG
else
echo -e "\033[32m $* \033[0m" > $VTLOG
$SLEEP 2
fi
}
vterr() {
if [ "$VTLOG" = "$VTOY_PATH/log" ]; then
echo "$*" >>$VTLOG
else
echo -e "\n\033[31m $* \033[0m" > $VTLOG
$SLEEP 30
fi
}
is_ventoy_hook_finished() {
[ -e $VTOY_PATH/hook_finish ]
}
set_ventoy_hook_finish() {
echo 'Y' > $VTOY_PATH/hook_finish
}
get_ventoy_disk_name() {
if [ "$VTOY_VLNK_BOOT" = "01" ]; then
$VTOY_PATH/tool/vtoydump -t /ventoy/ventoy_os_param
else
line=$($VTOY_PATH/tool/vtoydump -f /ventoy/ventoy_os_param)
if [ $? -eq 0 ]; then
echo ${line%%#*}
else
echo "unknown"
fi
fi
}
get_ventoy_iso_name() {
line=$($VTOY_PATH/tool/vtoydump -f /ventoy/ventoy_os_param)
if [ $? -eq 0 ]; then
echo ${line##*#}
else
echo "unknown"
fi
}
wait_for_usb_disk_ready() {
vtloop=0
while [ -n "Y" ]; do
usb_disk=$(get_ventoy_disk_name)
vtlog "wait_for_usb_disk_ready $usb_disk ..."
if echo $usb_disk | $EGREP -q "nvme|mmc|nbd"; then
vtpart2=${usb_disk}p2
else
vtpart2=${usb_disk}2
fi
if [ -e "${vtpart2}" ]; then
vtlog "wait_for_usb_disk_ready $usb_disk finish"
break
else
let vtloop=vtloop+1
if [ $vtloop -gt 2 ]; then
if [ "$VTLOG" != "$VTOY_PATH/log" ]; then
$VTOY_PATH/tool/vtoydump -f /ventoy/ventoy_os_param -v > $VTLOG
fi
fi
$SLEEP 0.3
fi
done
}
check_usb_disk_ready() {
if echo $1 | $EGREP -q "nvme|mmc|nbd"; then
vtpart2=${1}p2
else
vtpart2=${1}2
fi
[ -e "${vtpart2}" ]
}
not_ventoy_disk() {
if echo $1 | $EGREP -q "nvme.*p$|mmc.*p$|nbd.*p$"; then
vtDiskName=${1:0:-1}
else
vtDiskName=$1
fi
if [ "$VTOY_VLNK_BOOT" = "01" ]; then
vtVtoyDisk=$($VTOY_PATH/tool/vtoydump -t $VTOY_PATH/ventoy_os_param)
[ "$vtVtoyDisk" != "/dev/$vtDiskName" ]
else
if $VTOY_PATH/tool/vtoydump -f $VTOY_PATH/ventoy_os_param -c "$vtDiskName"; then
$BUSYBOX_PATH/false
else
$BUSYBOX_PATH/true
fi
fi
}
ventoy_get_vblade_bin() {
if $VTOY_PATH/tool/vblade_64 -t >>$VTLOG 2>&1; then
echo $VTOY_PATH/tool/vblade_64
else
echo $VTOY_PATH/tool/vblade_32
fi
}
ventoy_find_bin_path() {
if $BUSYBOX_PATH/which "$1" > /dev/null; then
$BUSYBOX_PATH/which "$1"; return
fi
for vt_path in '/bin' '/sbin' '/usr/bin' '/usr/sbin' '/usr/local/bin' '/usr/local/sbin' '/root/bin'; do
if [ -e "$vt_path/$1" ]; then
echo "$vt_path/$1"; return
fi
done
echo ""
}
ventoy_find_bin_run() {
vtsudo=0
if [ "$1" = "sudo" ]; then
shift
vtsudo=1
fi
vtbinpath=$(ventoy_find_bin_path "$1")
if [ -n "$vtbinpath" ]; then
shift
if [ $vtsudo -eq 0 ]; then
vtlog "$vtbinpath $*"
$vtbinpath $*
else
vtlog "sudo $vtbinpath $*"
sudo $vtbinpath $*
fi
fi
}
ventoy_get_module_postfix() {
vtKerVer=$($BUSYBOX_PATH/uname -r)
vtLine=$($FIND /lib/modules/$vtKerVer/ -name *.ko* | $HEAD -n1)
vtComp=${vtLine##*/*.ko}
echo "ko$vtComp"
}
ventoy_check_dm_module() {
if $GREP -q 'device-mapper' /proc/devices; then
$BUSYBOX_PATH/true; return
fi
vtlog "device-mapper NOT found in /proc/devices, try to load kernel module"
$BUSYBOX_PATH/modprobe dm_mod >>$VTLOG 2>&1
$BUSYBOX_PATH/modprobe dm-mod >>$VTLOG 2>&1
if ! $GREP -q 'device-mapper' /proc/devices; then
vtlog "modprobe failed, now try to insmod ko..."
$FIND /lib/modules/ -name "dm-mod.ko*" | while read vtline; do
vtlog "insmode $vtline "
$BUSYBOX_PATH/insmod $vtline >>$VTLOG 2>&1
done
fi
if $GREP -q 'device-mapper' /proc/devices; then
vtlog "device-mapper found in /proc/devices after retry"
$BUSYBOX_PATH/true; return
else
vtlog "device-mapper still NOT found in /proc/devices after retry"
$BUSYBOX_PATH/false; return
fi
}
ventoy_need_dm_patch() {
if [ "$VTOY_LINUX_REMOUNT" != "01" ]; then
if $GREP -q 'VTOY_LINUX_REMOUNT=1' /proc/cmdline; then
:
else
$BUSYBOX_PATH/false; return
fi
fi
if $GREP -q 'device-mapper' /proc/devices; then
:
else
$BUSYBOX_PATH/false; return
fi
if $GREP -q 'dm_patch' /proc/modules; then
$BUSYBOX_PATH/false; return
fi
vtMajorVer=$($BUSYBOX_PATH/uname -r | $AWK -F. '{print $1}')
vtMinorVer=$($BUSYBOX_PATH/uname -r | $AWK -F. '{print $2}')
if [ $vtMajorVer -lt 3 ]; then
$BUSYBOX_PATH/false; return
elif [ $vtMajorVer -eq 3 -a $vtMinorVer -lt 10 ]; then
$BUSYBOX_PATH/false; return
fi
$BUSYBOX_PATH/true
}
ventoy_dm_patch() {
vtMType=$($BUSYBOX_PATH/uname -m)
vtlog "######### ventoy_dm_patch ############"
if echo $vtMType | $EGREP -i -q "x86.64|amd64"; then
vtKoName=dm_patch_64.ko
elif echo $vtMType | $EGREP -i -q "i[3-6]86"; then
vtKoName=dm_patch_32.ko
else
vtlog "unsupported machine type $vtMType"
return
fi
if [ -f $VTOY_PATH/tool/$vtKoName ]; then
vtlog "/ventoy/tool/$vtKoName exist OK"
else
vtlog "/ventoy/tool/$vtKoName NOT exist"
return
fi
$CAT /proc/kallsyms | $BUSYBOX_PATH/sort > $VTOY_PATH/kallsyms
vtLine=$($VTOY_PATH/tool/vtoyksym dm_get_table_device $VTOY_PATH/kallsyms)
get_addr=$(echo $vtLine | $AWK '{print $1}')
get_size=$(echo $vtLine | $AWK '{print $2}')
vtLine=$($VTOY_PATH/tool/vtoyksym dm_put_table_device $VTOY_PATH/kallsyms)
put_addr=$(echo $vtLine | $AWK '{print $1}')
put_size=$(echo $vtLine | $AWK '{print $2}')
ro_addr=$($GREP ' set_memory_ro$' /proc/kallsyms | $AWK '{print $1}')
rw_addr=$($GREP ' set_memory_rw$' /proc/kallsyms | $AWK '{print $1}')
kprobe_reg_addr=$($GREP ' register_kprobe$' /proc/kallsyms | $AWK '{print $1}')
kprobe_unreg_addr=$($GREP ' unregister_kprobe$' /proc/kallsyms | $AWK '{print $1}')
if [ "$VTOY_DEBUG_LEVEL" = "01" ]; then
printk_addr=$($GREP ' printk$' /proc/kallsyms | $AWK '{print $1}')
vtDebug="-v"
else
printk_addr=0
fi
#printk_addr=$($GREP ' printk$' /proc/kallsyms | $AWK '{print $1}')
#vtDebug="-v"
vtlog get_addr=$get_addr get_size=$get_size
vtlog put_addr=$put_addr put_size=$put_size
vtlog kprobe_reg_addr=$kprobe_reg_addr kprobe_unreg_addr=$kprobe_unreg_addr
vtlog ro_addr=$ro_addr rw_addr=$rw_addr printk_addr=$printk_addr
if [ "$get_addr" = "0" -o "$put_addr" = "0" ]; then
vtlog "Invalid symbol address"
return
fi
if [ "$ro_addr" = "0" -o "$rw_addr" = "0" ]; then
vtlog "Invalid symbol address"
return
fi
vtKv=$($BUSYBOX_PATH/uname -r)
if [ ! -d /lib/modules/$vtKv ]; then
vtlog "No modules directory found"
return
elif [ -d /lib/modules/$vtKv/kernel/fs ]; then
vtModPath=$($FIND /lib/modules/$vtKv/kernel/fs/ -name "*.ko*" | $HEAD -n1)
else
vtModPath=$($FIND /lib/modules/$vtKv/kernel/ -name "xfs.ko*" | $HEAD -n1)
fi
if [ -z "$vtModPath" ]; then
vtModPath=$($FIND /lib/modules/$vtKv/kernel/ -name "*.ko*" | $HEAD -n1)
fi
vtModName=$($BUSYBOX_PATH/basename $vtModPath)
vtlog "template module is $vtModPath $vtModName"
if [ -z "$vtModPath" ]; then
vtlog "No template module found"
return
elif echo $vtModPath | $GREP -q "[.]ko$"; then
$BUSYBOX_PATH/cp -a $vtModPath $VTOY_PATH/$vtModName
elif echo $vtModPath | $GREP -q "[.]ko[.]xz$"; then
$BUSYBOX_PATH/xzcat $vtModPath > $VTOY_PATH/$vtModName
elif echo $vtModPath | $GREP -q "[.]ko[.]gz$"; then
$BUSYBOX_PATH/zcat $vtModPath > $VTOY_PATH/$vtModName
else
vtlog "unsupport module type"
return
fi
#step1: modify vermagic/mod crc/relocation
$VTOY_PATH/tool/vtoykmod -u $VTOY_PATH/tool/$vtKoName $VTOY_PATH/$vtModName $vtDebug
#step2: fill parameters
vtPgsize=$($VTOY_PATH/tool/vtoyksym -p)
$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
$BUSYBOX_PATH/insmod $VTOY_PATH/tool/$vtKoName
if $GREP -q 'dm_patch' /proc/modules; then
echo "done" > $VTOY_PATH/dm_patch_done
fi
}
create_ventoy_device_mapper() {
vtlog "create_ventoy_device_mapper $*"
VT_DM_BIN=$(ventoy_find_bin_path dmsetup)
if [ -z "$VT_DM_BIN" ]; then
vtlog "no dmsetup avaliable, lastly try inbox dmsetup"
VT_DM_BIN=$VTOY_PATH/tool/dmsetup
fi
vtlog "dmsetup avaliable in system $VT_DM_BIN"
if ventoy_check_dm_module "$1"; then
vtlog "device-mapper module check success"
else
vterr "Error: no dm module avaliable"
fi
$VTOY_PATH/tool/vtoydm -p -f $VTOY_PATH/ventoy_image_map -d $1 > $VTOY_PATH/ventoy_dm_table
vtLevel1=$($CAT /proc/sys/kernel/printk | $AWK '{print $1}')
vtLevel2=$($CAT /proc/sys/kernel/printk | $AWK '{print $2}')
vtLevel3=$($CAT /proc/sys/kernel/printk | $AWK '{print $3}')
vtLevel4=$($CAT /proc/sys/kernel/printk | $AWK '{print $4}')
if ventoy_need_dm_patch; then
ventoy_dm_patch
#suppress printk message
echo 0 $vtLevel2 0 $vtLevel4 > /proc/sys/kernel/printk
fi
if [ -z "$2" ]; then
$VT_DM_BIN create ventoy $VTOY_PATH/ventoy_dm_table >>$VTLOG 2>&1
else
$VT_DM_BIN "$2" create ventoy $VTOY_PATH/ventoy_dm_table >>$VTLOG 2>&1
fi
if ventoy_need_dm_patch; then
#recover printk level
echo $vtLevel1 $vtLevel2 $vtLevel3 $vtLevel4 > /proc/sys/kernel/printk
fi
}
create_persistent_device_mapper() {
vtlog "create_persistent_device_mapper $*"
VT_DM_BIN=$(ventoy_find_bin_path dmsetup)
if [ -z "$VT_DM_BIN" ]; then
vtlog "no dmsetup avaliable, lastly try inbox dmsetup"
VT_DM_BIN=$VTOY_PATH/tool/dmsetup
fi
vtlog "dmsetup avaliable in system $VT_DM_BIN"
if ventoy_check_dm_module "$1"; then
vtlog "device-mapper module check success"
else
vterr "Error: no dm module avaliable"
fi
$VTOY_PATH/tool/vtoydm -p -f $VTOY_PATH/ventoy_persistent_map -d $1 > $VTOY_PATH/persistent_dm_table
vtLevel1=$($CAT /proc/sys/kernel/printk | $AWK '{print $1}')
vtLevel2=$($CAT /proc/sys/kernel/printk | $AWK '{print $2}')
vtLevel3=$($CAT /proc/sys/kernel/printk | $AWK '{print $3}')
vtLevel4=$($CAT /proc/sys/kernel/printk | $AWK '{print $4}')
if [ -f $VTOY_PATH/dm_patch_done ]; then
#suppress printk message
echo 0 $vtLevel2 0 $vtLevel4 > /proc/sys/kernel/printk
fi
$VT_DM_BIN create vtoy_persistent $VTOY_PATH/persistent_dm_table >>$VTLOG 2>&1
if [ -f $VTOY_PATH/dm_patch_done ]; then
#recover printk level
echo $vtLevel1 $vtLevel2 $vtLevel3 $vtLevel4 > /proc/sys/kernel/printk
fi
}
wait_for_ventoy_dm_disk_label() {
DM=$($BUSYBOX_PATH/readlink $VTOY_DM_PATH)
vtlog "wait_for_ventoy_dm_disk_label $DM ..."
for i in 0 1 2 3 4 5 6 7 8 9; do
vtlog "i=$i ####### ls /dev/disk/by-label/"
ls -l /dev/disk/by-label/ >> $VTLOG
if ls -l /dev/disk/by-label/ | $GREP -q "$DM"; then
break
else
$SLEEP 1
fi
done
}
install_udeb_pkg() {
if ! [ -e "$1" ]; then
$BUSYBOX_PATH/false
return
fi
if [ -d /tmp/vtoy_udeb ]; then
$BUSYBOX_PATH/rm -rf /tmp/vtoy_udeb
fi
$BUSYBOX_PATH/mkdir -p /tmp/vtoy_udeb
$BUSYBOX_PATH/cp -a "$1" /tmp/vtoy_udeb/
CURDIR=$($BUSYBOX_PATH/pwd)
cd /tmp/vtoy_udeb
$BUSYBOX_PATH/ar x "$1"
if [ -e 'data.tar.gz' ]; then
$BUSYBOX_PATH/tar -xzf data.tar.gz -C /
elif [ -e 'data.tar.xz' ]; then
$BUSYBOX_PATH/tar -xJf data.tar.xz -C /
elif [ -e 'data.tar.bz2' ]; then
$BUSYBOX_PATH/tar -xjf data.tar.bz2 -C /
elif [ -e 'data.tar.lzma' ]; then
$BUSYBOX_PATH/tar -xaf data.tar.lzma -C /
fi
if [ -e 'control.tar.gz' ]; then
$BUSYBOX_PATH/tar -xzf control.tar.gz -C /
elif [ -e 'control.tar.xz' ]; then
$BUSYBOX_PATH/tar -xJf control.tar.xz -C /
elif [ -e 'control.tar.bz2' ]; then
$BUSYBOX_PATH/tar -xjf control.tar.bz2 -C /
elif [ -e 'control.tar.lzma' ]; then
$BUSYBOX_PATH/tar -xaf control.tar.lzma -C /
fi
cd $CURDIR
$BUSYBOX_PATH/rm -rf /tmp/vtoy_udeb
$BUSYBOX_PATH/true
}
install_udeb_from_line() {
vtlog "install_udeb_from_line $1"
if ! [ -b "$2" ]; then
vterr "disk #$2# not exist"
return
fi
sector=$(echo $1 | $AWK '{print $(NF-1)}')
length=$(echo $1 | $AWK '{print $NF}')
vtlog "sector=$sector length=$length"
$VTOY_PATH/tool/vtoydm -e -f $VTOY_PATH/ventoy_image_map -d ${2} -s $sector -l $length -o /tmp/xxx.udeb
if [ -e /tmp/xxx.udeb ]; then
vtlog "extract udeb file from iso success"
else
vterr "extract udeb file from iso fail"
return
fi
install_udeb_pkg /tmp/xxx.udeb
$BUSYBOX_PATH/rm -f /tmp/xxx.udeb
}
extract_file_from_line() {
vtlog "extract_file_from_line $1 disk=#$2#"
if ! [ -b "$2" ]; then
vterr "disk #$2# not exist"
return
fi
sector=$(echo $1 | $AWK '{print $(NF-1)}')
length=$(echo $1 | $AWK '{print $NF}')
vtlog "sector=$sector length=$length"
$VTOY_PATH/tool/vtoydm -e -f $VTOY_PATH/ventoy_image_map -d ${2} -s $sector -l $length -o $3
if [ -e $3 ]; then
vtlog "extract file from iso success"
$BUSYBOX_PATH/true
else
vterr "extract file from iso fail"
$BUSYBOX_PATH/false
fi
}
extract_rpm_from_line() {
vtlog "extract_rpm_from_line $1 disk=#$2#"
if ! [ -b "$2" ]; then
vterr "disk #$2# not exist"
return
fi
sector=$(echo $1 | $AWK '{print $(NF-1)}')
length=$(echo $1 | $AWK '{print $NF}')
vtlog "sector=$sector length=$length"
$VTOY_PATH/tool/vtoydm -e -f $VTOY_PATH/ventoy_image_map -d ${2} -s $sector -l $length -o /tmp/xxx.rpm
if [ -e /tmp/xxx.rpm ]; then
vtlog "extract rpm file from iso success"
else
vterr "extract rpm file from iso fail"
return
fi
CURPWD=$($BUSYBOX_PATH/pwd)
$BUSYBOX_PATH/mkdir -p $VTOY_PATH/rpm
cd $VTOY_PATH/rpm
vtlog "extract rpm..."
$BUSYBOX_PATH/rpm2cpio /tmp/xxx.rpm | $BUSYBOX_PATH/cpio -idm 2>>$VTLOG
cd $CURPWD
$BUSYBOX_PATH/rm -f /tmp/xxx.rpm
}
install_rpm_from_line() {
vtlog "install_rpm_from_line $1 disk=#$2#"
if ! [ -b "$2" ]; then
vterr "disk #$2# not exist"
return
fi
sector=$(echo $1 | $AWK '{print $(NF-1)}')
length=$(echo $1 | $AWK '{print $NF}')
vtlog "sector=$sector length=$length"
$VTOY_PATH/tool/vtoydm -e -f $VTOY_PATH/ventoy_image_map -d ${2} -s $sector -l $length -o /tmp/xxx.rpm
if [ -e /tmp/xxx.rpm ]; then
vtlog "extract rpm file from iso success"
else
vterr "extract rpm file from iso fail"
return
fi
CURPWD=$($BUSYBOX_PATH/pwd)
cd /
vtlog "install rpm..."
$BUSYBOX_PATH/rpm2cpio /tmp/xxx.rpm | $BUSYBOX_PATH/cpio -idm 2>>$VTLOG
cd $CURPWD
$BUSYBOX_PATH/rm -f /tmp/xxx.rpm
}
dump_whole_iso_file() {
$VTOY_PATH/tool/vtoydm -p -f $VTOY_PATH/ventoy_image_map -d $usb_disk | while read vtline; do
vtlog "dmtable line: $vtline"
vtcount=$(echo $vtline | $AWK '{print $2}')
vtoffset=$(echo $vtline | $AWK '{print $NF}')
$BUSYBOX_PATH/dd if=$usb_disk of="$1" bs=512 count=$vtcount skip=$vtoffset oflag=append conv=notrunc
done
}
ventoy_copy_device_mapper() {
if [ -L $VTOY_DM_PATH ]; then
vtlog "replace block device link $1..."
$BUSYBOX_PATH/mv "$1" $VTOY_PATH/dev_backup_${1#/dev/}
VT_MAPPER_LINK=$($BUSYBOX_PATH/readlink $VTOY_DM_PATH)
$BUSYBOX_PATH/cp -a "/dev/mapper/$VT_MAPPER_LINK" "$1"
elif [ -b $VTOY_DM_PATH ]; then
vtlog "replace block device $1..."
$BUSYBOX_PATH/mv "$1" $VTOY_PATH/dev_backup_${1#/dev/}
$BUSYBOX_PATH/cp -a "$VTOY_DM_PATH" "$1"
else
vtlog "$VTOY_DM_PATH not exist, now check /dev/dm-X ..."
VT_DM_BIN=$(ventoy_find_bin_path dmsetup)
if [ -z "$VT_DM_BIN" ]; then
vtlog "no dmsetup avaliable, lastly try inbox dmsetup"
VT_DM_BIN=$VTOY_PATH/tool/dmsetup
fi
DM_VT_ID=$($VT_DM_BIN ls | $GREP ventoy | $SED 's/.*(\([0-9][0-9]*\),.*\([0-9][0-9]*\).*/\1 \2/')
vtlog "DM_VT_ID=$DM_VT_ID ..."
$BUSYBOX_PATH/mv "$1" $VTOY_PATH/dev_backup_${1#/dev/}
$BUSYBOX_PATH/mknod -m 0666 "$1" b $DM_VT_ID
fi
}
# create link for device-mapper
ventoy_create_persistent_link() {
blkdev_num=$($VTOY_PATH/tool/dmsetup ls | grep vtoy_persistent | sed 's/.*(\([0-9][0-9]*\),.*\([0-9][0-9]*\).*/\1:\2/')
vtDM=$(ventoy_find_dm_id ${blkdev_num})
if ! [ -d /dev/disk/by-label ]; then
mkdir -p /dev/disk/by-label
fi
VTLABEL=$($BUSYBOX_PATH/blkid /dev/$vtDM | $SED 's/.*LABEL="\([^"]*\)".*/\1/')
if [ -z "$VTLABEL" ]; then
VTLABEL=casper-rw
fi
vtlog "Persistent Label: ##${VTLABEL}##"
if ! [ -e /dev/disk/by-label/$VTLABEL ]; then
vtOldDir=$PWD
cd /dev/disk/by-label
ln -s ../../$vtDM $VTLABEL
cd $vtOldDir
fi
}
ventoy_partname_to_diskname() {
if echo $1 | $EGREP -q "nvme.*p[0-9]$|mmc.*p[0-9]$|nbd.*p[0-9]$"; then
echo -n "${1:0:-2}"
else
echo -n "${1:0:-1}"
fi
}
ventoy_diskname_to_partname() {
if echo $1 | $EGREP -q "nvme.*p[0-9]$|mmc.*p[0-9]$|nbd.*p[0-9]$"; then
echo -n "${1}p$2"
else
echo -n "${1}$2"
fi
}
ventoy_udev_disk_common_hook() {
if echo $1 | $EGREP -q "nvme.*p[0-9]$|mmc.*p[0-9]$|nbd.*p[0-9]$"; then
VTDISK="${1:0:-2}"
else
VTDISK="${1:0:-1}"
fi
if [ -e /vtoy/vtoy ]; then
VTRWMOD=""
else
VTRWMOD="--readonly"
fi
# create device mapper for iso image file
if create_ventoy_device_mapper "/dev/$VTDISK" $VTRWMOD; then
vtlog "==== create ventoy device mapper success ===="
else
vtlog "==== create ventoy device mapper failed ===="
$SLEEP 3
if $GREP -q "/dev/$VTDISK" /proc/mounts; then
$GREP "/dev/$VTDISK" /proc/mounts | while read vtLine; do
vtPart=$(echo $vtLine | $AWK '{print $1}')
vtMnt=$(echo $vtLine | $AWK '{print $2}')
vtlog "$vtPart is mounted on $vtMnt now umount it ..."
$BUSYBOX_PATH/umount $vtMnt
done
fi
if create_ventoy_device_mapper "/dev/$VTDISK" $VTRWMOD; then
vtlog "==== create ventoy device mapper success after retry ===="
else
vtlog "==== create ventoy device mapper failed after retry ===="
return
fi
fi
if [ "$2" = "noreplace" ]; then
vtlog "no need to replace block device"
else
ventoy_copy_device_mapper "/dev/$1"
fi
if [ -f $VTOY_PATH/ventoy_persistent_map ]; then
create_persistent_device_mapper "/dev/$VTDISK"
ventoy_create_persistent_link
fi
if $GREP -q 'dm_patch' /proc/modules; then
$BUSYBOX_PATH/rmmod dm_patch
fi
}
ventoy_create_dev_ventoy_part() {
blkdev_num=$($VTOY_PATH/tool/dmsetup ls | $GREP ventoy | $SED 's/.*(\([0-9][0-9]*\),.*\([0-9][0-9]*\).*/\1 \2/')
$BUSYBOX_PATH/mknod -m 0666 /dev/ventoy b $blkdev_num
if [ -e /vtoy_dm_table ]; then
vtPartid=1
vtLevel1=$($CAT /proc/sys/kernel/printk | $AWK '{print $1}')
vtLevel2=$($CAT /proc/sys/kernel/printk | $AWK '{print $2}')
vtLevel3=$($CAT /proc/sys/kernel/printk | $AWK '{print $3}')
vtLevel4=$($CAT /proc/sys/kernel/printk | $AWK '{print $4}')
if [ -f $VTOY_PATH/dm_patch_done ]; then
#suppress printk message
echo 0 $vtLevel2 0 $vtLevel4 > /proc/sys/kernel/printk
fi
$CAT /vtoy_dm_table | while read vtline; do
echo $vtline > /ventoy/dm_table_part${vtPartid}
$VTOY_PATH/tool/dmsetup create ventoy${vtPartid} /ventoy/dm_table_part${vtPartid}
blkdev_num=$($VTOY_PATH/tool/dmsetup ls | $GREP ventoy${vtPartid} | $SED 's/.*(\([0-9][0-9]*\),.*\([0-9][0-9]*\).*/\1 \2/')
$BUSYBOX_PATH/mknod -m 0666 /dev/ventoy${vtPartid} b $blkdev_num
vtPartid=$(expr $vtPartid + 1)
done
if [ -f $VTOY_PATH/dm_patch_done ]; then
#recover printk level
echo $vtLevel1 $vtLevel2 $vtLevel3 $vtLevel4 > /proc/sys/kernel/printk
fi
fi
}
ventoy_create_chromeos_ventoy_part() {
blkdev_num=$($VTOY_PATH/tool/dmsetup ls | $GREP ventoy | $SED 's/.*(\([0-9][0-9]*\),.*\([0-9][0-9]*\).*/\1 \2/')
$BUSYBOX_PATH/mknod -m 0666 /dev/ventoy b $blkdev_num
if [ -e /vtoy_dm_table ]; then
vtPartid=1
$CAT /vtoy_dm_table | while read vtline; do
echo $vtline > /ventoy/dm_table_part${vtPartid}
if [ $vtPartid -eq $1 ]; then
$VTOY_PATH/tool/dmsetup create ventoy${vtPartid} /ventoy/dm_table_part${vtPartid} --readonly
else
$VTOY_PATH/tool/dmsetup create ventoy${vtPartid} /ventoy/dm_table_part${vtPartid}
fi
blkdev_num=$($VTOY_PATH/tool/dmsetup ls | $GREP ventoy${vtPartid} | $SED 's/.*(\([0-9][0-9]*\),.*\([0-9][0-9]*\).*/\1 \2/')
$BUSYBOX_PATH/mknod -m 0666 /dev/ventoy${vtPartid} b $blkdev_num
vtPartid=$(expr $vtPartid + 1)
done
fi
}
is_inotify_ventoy_part() {
if echo $1 | $GREP -q "2$"; then
if ! [ -e /sys/block/$1 ]; then
if [ -e /sys/class/block/$1 ]; then
if echo $1 | $EGREP -q "nvme|mmc|nbd"; then
vtShortName=${1:0:-2}
else
vtShortName=${1:0:-1}
fi
if [ -e /dev/$vtShortName ]; then
if [ "$VTOY_VLNK_BOOT" = "01" ]; then
vtOrgDiskName=$($VTOY_PATH/tool/vtoydump -t $VTOY_PATH/ventoy_os_param)
[ "$vtOrgDiskName" = "/dev/$vtShortName" ]
else
$VTOY_PATH/tool/vtoydump -f $VTOY_PATH/ventoy_os_param -c $vtShortName
fi
return
fi
fi
fi
fi
[ "1" = "0" ]
}
ventoy_find_dm_id() {
for vt in $($BUSYBOX_PATH/ls /sys/block/); do
if [ "${vt:0:3}" = "dm-" ]; then
vtMajorMinor=$($CAT /sys/block/$vt/dev)
if [ "$vtMajorMinor" = "$1" ]; then
echo ${vt}
return
fi
fi
done
echo 'xx'
}
ventoy_swap_device() {
mv $1 $VTOY_PATH/swap_tmp_dev
mv $2 $1
mv $VTOY_PATH/swap_tmp_dev $2
}
ventoy_extract_vtloopex() {
vtCurPwd=$PWD
$BUSYBOX_PATH/mkdir -p $VTOY_PATH/partmnt $VTOY_PATH/vtloopex
$BUSYBOX_PATH/mount -o ro -t vfat $1 $VTOY_PATH/partmnt
cd $VTOY_PATH/vtloopex
$CAT $VTOY_PATH/partmnt/ventoy/vtloopex.cpio | $BUSYBOX_PATH/cpio -idm >> $VTLOG 2>&1
$BUSYBOX_PATH/umount $VTOY_PATH/partmnt
$BUSYBOX_PATH/rm -rf $VTOY_PATH/partmnt
if [ -n "$2" ]; then
cd $VTOY_PATH/vtloopex/$2/
$BUSYBOX_PATH/tar -xJf vtloopex.tar.xz
fi
cd $vtCurPwd
}
ventoy_check_install_module_xz() {
if [ -f "${1}.xz" ]; then
$BUSYBOX_PATH/xz -d "${1}.xz"
$BUSYBOX_PATH/insmod "$1"
fi
}
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