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PAL.C.T MINI SHELL
files >> /var/www/html/sub/images/sym/root/usr/share/dracut/modules.d/90crypt/
upload
files >> /var/www/html/sub/images/sym/root/usr/share/dracut/modules.d/90crypt/cryptroot-ask.sh

#!/bin/sh
# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
# ex: ts=8 sw=4 sts=4 et filetype=sh

PATH=/usr/sbin:/usr/bin:/sbin:/bin
NEWROOT=${NEWROOT:-"/sysroot"}

# do not ask, if we already have root
[ -f $NEWROOT/proc ] && exit 0

# check if destination already exists
[ -b /dev/mapper/$2 ] && exit 0

# we already asked for this device
[ -f /tmp/cryptroot-asked-$2 ] && exit 0

# load dm_crypt if it is not already loaded
[ -d /sys/module/dm_crypt ] || modprobe dm_crypt

. /lib/dracut-crypt-lib.sh

# default luksname - luks-UUID
luksname=$2

# fallback to passphrase
ask_passphrase=1

# if device name is /dev/dm-X, convert to /dev/mapper/name
if [ "${1##/dev/dm-}" != "$1" ]; then
    device="/dev/mapper/$(dmsetup info -c --noheadings -o name "$1")"
else
    device="$1"
fi

# TODO: improve to support what cmdline does
if [ -f /etc/crypttab ] && ! getargs rd_NO_CRYPTTAB; then
    while read name dev luksfile rest; do
        # ignore blank lines and comments
        if [ -z "$name" -o "${name#\#}" != "$name" ]; then
            continue
        fi

        # UUID used in crypttab
        if [ "${dev%%=*}" = "UUID" ]; then
            if [ "luks-${dev##UUID=}" = "$2" ]; then
                luksname="$name"
                break
            fi

        # path used in crypttab
        else
            cdev=$(readlink -f $dev)
            mdev=$(readlink -f $device)
            if [ "$cdev" = "$mdev" ]; then
                luksname="$name"
                break
            fi
        fi
    done < /etc/crypttab
    unset name dev rest
fi

#
# Open LUKS device
#

info "luksOpen $device $luksname $luksfile"

if [ -n "$luksfile" -a "$luksfile" != "none" -a -e "$luksfile" ]; then
    if cryptsetup --key-file "$luksfile" luksOpen "$device" "$luksname"; then
        ask_passphrase=0
    fi
else
    while [ -n "$(getarg rd.luks.key)" ]; do
        if tmp=$(getkey /tmp/luks.keys $device); then
            keydev="${tmp%%:*}"
            keypath="${tmp#*:}"
        else
            if [ $# -eq 3 ]; then
                if [ $3 -eq 0 ]; then
                    info "No key found for $device.  Fallback to passphrase mode."
                    break
                fi
                info "No key found for $device.  Will try $3 time(s) more later."
                set -- "$1" "$2" "$(($3 - 1))"
            else
                info "No key found for $device.  Will try later."
            fi
            initqueue --unique --onetime --settled \
                --name cryptroot-ask-$luksname \
                $(command -v cryptroot-ask) "$@"
            exit 0
        fi
        unset tmp

        info "Using '$keypath' on '$keydev'"
        readkey "$keypath" "$keydev" "$device" \
            | cryptsetup -d - luksOpen "$device" "$luksname"
        unset keypath keydev
        ask_passphrase=0
        break
    done
fi

if [ $ask_passphrase -ne 0 ]; then
    luks_open="$(command -v cryptsetup) luksOpen"
    ask_for_password --ply-tries 5 \
        --ply-cmd "$luks_open -T1 $device $luksname" \
        --ply-prompt "Password ($device)" \
        --tty-tries 1 \
        --tty-cmd "$luks_open -T5 $device $luksname"
    unset luks_open
fi

unset device luksname luksfile

# mark device as asked
>> /tmp/cryptroot-asked-$2

udevsettle

exit 0
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