....................................../////.===Shadow-Here===./////................................................ > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < ------------------------------------------------------------------------------------------------------------------- /////////////////////////////////////////////////////////////////////////////////////////////////////////////////// RIFF¤ WEBPVP8 ˜ ðÑ *ôô>‘HŸK¥¤"§£±¨àð enü¹%½_F‘åè¿2ºQú³íªú`N¿­3ÿƒügµJžaÿ¯ÿ°~¼ÎùnúîÞÖô•òíôÁÉß®Sm¥Ü/ ‡ó˜f£Ùà<˜„xëJ¢Ù€SO3x<ªÔ©4¿+ç¶A`q@Ì“Úñè™ÍÿJÌ´ª-˜ÆtÊÛL]Ïq*‘Ý”ì#ŸÌÏãY]@ê`¿ /ªfkØB4·®£ó z—Üw¥Pxù–ÞLШKÇN¾AkÙTf½è'‰g gÆv›Øuh~ a˜Z— ïj*á¥t d£“uÒ ¨`K˜¹ßþ]b>˜]_ÏÔ6W—è2r4x•íÖ…"ƒÖNîä!¦å Ú}ýxGøÌ —@ ;ÆÚŠ=ɾ1ý8lªË¥ô ^yf®Œ¢u&2©nÙÇ›ñÂñŒ³ aPo['½»øFùà­+4ê“$!lövlüÞ=;N®3ð‚õ›DÉKòÞ>ÄÍ ¥ˆuߤ#ˆ$6ù™¥îŠ‡y’ÍB¼ çxÛ;X"WL£R÷͝*ó-¶Zu}º.s¸sšXqù–DþÿvªhüïwyŸ ¯é³lÀ:KCûÄ£Ëá\…­ ~—ýóî ¼ûûÜTÓüÇy…ŽÆvc»¾×U ñ¸žþоP÷¦ó:Ò¨¨5;Ð#&#ÖúñläÿÁœ GxÉ­/ñ‡áQðìYÉtÒwŽ¼GÔ´zàÒò ð*ëzƒ•4~H]Ø‹f ñÓÈñ`NåWçs'ÆÏW^ø¹!XžµmQ5ÃËoLœÎ: ÞËÍ¥J ù…î èo£ßPÎñ¶ž8.Œ]ʵ~5›ÙË-ù*8ÙÖß±~ ©¹rÓê‚j¶d¸{^Q'˜±Crß ÚH—#¥¥QlÀ×ëã‡DÜ«èî þ&Çæžî;ŽÏºò6ÒLÃXy&ZŒ'j‚¢Ù€IßÚù+–MGi‰*jE€‘JcÜ ÓÌ EÏÚj]o˜ Þr <¾U ûŪæÍ/šÝH¥˜b”¼ ÁñßX GP›ï2›4WŠÏà×£…íÓk†¦H·ÅíMh–*nó÷à]ÁjCº€b7<ب‹¨5車bp2:Á[UªM„QŒçiNMa#<5›áËó¸HýÊ"…×Éw¹¦ì2º–x<›»a±¸3Weü®FÝ⑱ö–î–³|LPÈ~çð~Çå‡|º kD¢µÏàÆAI %1À% ¹Ò – ”ϝS¦‰4&¶£°à Öý”û_Ò Áw°A«Å€?mÇÛgHÉ/8)á¾ÛìáöŽP í¨PŸNÙµº¦‡§Ùš"ÿ«>+ªÕ`Ê÷‡‚ß Õû˜þãÇ-PÍ.¾XV‘€ dÜ"þ4¹ ±Oú‘©t¥¦FªÄÃÄ•b‚znýu½—#cDs˜ÃiÑOˆñ×QO=*IAÊ,¶ŽZƒ;‡wøXè%EÐk:F±Ú” .Ѽ+Áu&Ç`."pÈÉw o&¿dE6‘’EqTuK@Ì¥ã™À(Êk(h‰,H}RÀIXÛš3µ1©_OqÚÒJAñ$ÊÙÜ;D3çŒ[þùœh¬Ã³™ö6ç†NY".Ú‰ï[ªŸŒ '²Ð öø_¨ÂÉ9u鶳ÒŠõTàîMØ#û¯gN‡bÙ놚X„ö …ÉeüÌ^J ‹€.œ$Æ)βÄeæW#óüßĺŸ€ ÀzwV 9oä»f4V*uB «Ë†¹ì¯žR霓æHXa=&“I4K;¯ç‹h×·"UŠ~<•â•ªVêª&ÍSÃÆÅ?ÔqÎ*mTM ˜›µwêd#[C¡©§‘D<©àb†–ÁœøvH/,í:¯( ²£|4-„Æövv„Yͼ™^Á$ˆ„¢Û[6yB.åH*V¨æ?$=˜Ñ€•î¦ñ·­(VlŸ‘ nÀt8W÷´Bûba?q9ú¶Xƒl«ÿ\ù¶’þòUÐj/õ¢Ìµ³g$ƒÎR!¸»|Oߍë’BhîÚÑ¢ñåŒJ„®„£2Ð3•ô02Nt…!£Í]Ïc½Qÿ?ˆ<&ÃA¾Ú,JˆijÌ#5yz„‰Î|ÊŽ5QÏ:‹ÐaóVÔxW—CpeÏzÐïíçôÿÅ_[hãsÐ_/ŽTÝ?BîˆííV$<¿i>²F¬_Eß¿ †bÊŒº­ÿ®Z H“C}”¬,Mp ý/Bá£w>˜YV°aƒúh+cŠ- r/[%|üUMHäQ°X»|û/@|°¥Ð !BÔ Ç¢Ä©š+Õì D«7ìN¶ŽðÔ " ƶ’ÖçtA‰Û×}{tþz­¾GÍ›k¹OEJR$ Â׃ «ëÁ"oÉôž$oUK(Ä)Ãz³Ê-‹êN[Ò3Œñbï8P 4ƒ×q¢bo|?<ÛX¬òÄÍ°L–±›(™ûG?ýË©ÚÄ–ÂDØÐ_Ç¡ô ¾–ÄÏø ×e8Ë©$ÄF¹Å‹ì[©óìl:F¾f´‹‹Xì²ï®\¬ôùƒ ÿat¥óèÒùHß0äe‚;ü×h:ÆWðHž=Ã8骣"kœ'Y?³}Tûè€>?0l›e1Lòñ„aæKÆw…hÖŠùW…ÈÆÄ0ši·›[pcwËþñiêíY/~-Á5˜!¿†A›™Mÿþ(±“t@â“ö2­´TG5yé]çå僳 .·ÍïçÝ7UÚ±Ð/Nè»,_Ï ùdj7\ï Wì4›„»c¸àešg#ÒÊ⥭áØo5‘?ÌdÝô¯ ¹kzsƒ=´#ëÉK›Ø´±-¥eW?‡çßtòTã…$Ý+qÿ±ƒ÷_3Ô¥í÷:æ–ž<·Ö‡‰Å¢ š‡%Ô—utÌÈìðžgÖÀz²À—ï÷Óîäõ{K'´È÷³yaÏÁjƒô}ž§®æÊydÕÈë5¯èˆõvÕ©ã*çD„ “z„Ó‡^^xÂ3M§A´JG‚öï 3W'ˆ.OvXè¡ÊÕª?5º7†˜(˜Ç¶#çê’¶!ÌdZK§æ 0fãaN]òY³RV ™î$®K2R¨`W!1Ôó\;Ý ýB%qæK•&ÓÈe9È0êI±žeŸß -ú@žQr¦ ö4»M¼Áè¹µmw 9 EÆE_°2ó„ŸXKWÁ×Hóì^´²GѝF©óäR†¦‰ç"V»eØ<3ùd3ÿÚ¤Žú“Gi" —‘_ÙËÎ~Üö¯¥½Î»üŸEÚŽåmÞþí ;ÞólËΦMzA"Âf(´òá;Éï(/7½ûñÌ­cïÕçлþÝz¾-ÍvÑ“pH­–ðÓj$¸Äû¤‚‘ãUBË-n“2åPkS5&‹Â|+g^œ®Ì͆d!OïäîU«c;{Û!ÅŽ«ëZ9Ókóˆ]¯ƒ›né `ÇÒ+tÆš (ØKá¾—=3œ®•vuMñg²\ï Ec€ 05±d™‡×iÇ×›UúvÌ¢£Èþ¡ÕØô¶ßÎA"ß±#Ö²ˆÊŸ¦*Ä~ij|àø.-¼'»Ú¥£h ofº¦‡VsR=N½„Î v˜Z*SÌ{=jÑB‹tê…;’HžH¯8–îDù8ñ¢|Q•bÛçš–‹m³“ê¨ åÏ^m¬Žãþ©ïêO‡½6] µÆ„Ooòü ²x}N¦Ë3ïé¿»€›HA˜m%çÞ/¿í7Fø“‹léUk)É°Œµ8Q8›:ÀŠeT*šõ~ôڝG6 ¢}`ùH­–”¡k ‰P1>š†®9z11!X wKfmÁ¦xÑ,N1Q”–æB¶M…ÒÃv6SMˆhU¬ÊPŽï‘öj=·CŒ¯u¹ƒVIЃsx4’ömÛýc塶7ßŠß 57^\wÒÐÆ k§h,Œý î«q^R½3]J¸ÇðN ‚çU¬ôº^Áì} ³f©Õœ§ˆã:FÄÈ‚é(€™?àýÓüè1Gô£¼éj‚OÅñ  #>×—ßtà 0G¥Åa뀐kßhc™À_ÉñÞ#±)GD" YîäË-ÿÙ̪ ¹™a¯´¢E\ÝÒö‚;™„ë]_ p8‰o¡ñ+^÷ 3‘'dT4œŽ ðVë½° :¬víÑ«£tßÚS-3¶“þ2 †üüʨòrš¹M{É_¤`Û¨0ìjœøJ‡:÷ÃáZ˜†@GP&œÑDGÏs¡þ¦þDGú‘1Yá9Ôþ¼ ûø…§÷8&–ÜÑnÄ_m®^üÆ`;ÉVÁJ£?â€-ßê}suÍ2sõA NÌúA磸‘îÿÚ»ƒìö·á¿±tÑÐ"Tÿü˜[@/äj¬€uüªìù¥Ý˜á8Ý´sõj 8@rˆð äþZÇD®ÿUÏ2ùôõrBzÆÏÞž>Ì™xœ“ wiÎ×7_… ¸ \#€MɁV¶¥üÕÿPÔ9Z‡ø§É8#H:ƒ5ÀÝå9ÍIŒ5åKÙŠ÷qÄ>1AÈøžj"µÂд/ªnÀ qªã}"iŸBå˜ÓÛŽ¦…&ݧ;G@—³b¯“•"´4í¨ôM¨åñC‹ïùÉó¯ÓsSH2Ý@ßáM‡ˆKÀªÛUeø/4\gnm¥‹ŸŒ qÄ b9ÞwÒNÏ_4Ég³ú=܆‚´ •â¥õeíþkjz>éÚyU«Íӝ݃6"8/ø{=Ô¢»G¥ äUw°W«,ô—¿ãㆅү¢³xŠUû™yŒ (øSópÐ 9\åTâ»—*oG$/×ÍT†Y¿1¤Þ¢_‡ ¼ „±ÍçèSaÓ 3ÛMÁBkxs‰’R/¡¤ˆÙçª(*õ„üXÌ´ƒ E§´¬EF"Ù”R/ÐNyÆÂ^°?™6¡œïJ·±$§?º>ÖüœcNÌù¯G ‹ñ2ŠBB„^·úìaz¨k:#¨Æ¨8LÎõލ£^§S&cŒÐU€ü(‡F±Š¼&P>8ÙÁ ‰ p5?0ÊƃZl¸aô š¼¡}gÿ¶zÆC²¹¬ÎÖG*HB¡O<º2#ñŒAƒ–¡B˜´É$¥›É:FÀÔx¾u?XÜÏÓvN©RS{2ʈãk9rmP¼Qq̳ è¼ÐFׄ^¡Öì fE“F4A…!ì/…¦Lƒ… … $%´¾yã@CI¬ á—3PþBÏNÿ<ý°4Ü ËÃ#ØÍ~âW«rEñw‹eùMMHß²`¬Öó½íf³:‹k˜¯÷}Z!ã¿<¥,\#öµÀ¯aÒNÆIé,Ћ–lŽ#Àæ9ÀÒS·I’½-Ïp Äz¤Š Â* ­íÄ9­< h>׍3ZkËU¹§˜ŒŠ±f­’¤º³Q ÏB?‹#µíÃ¥®@(Gs«†vI¥Mµ‹Á©e~2ú³ÁP4ìÕi‚²Ê^ö@-DþÓàlÜOÍ]n"µã:žpsŽ¢:! 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Current File : /sbin/mkdumprd
#!/bin/bash --norc
# New mkdumprd
#
# Copyright 2011 Red Hat, Inc.
#
# Written by Cong Wang <amwang@redhat.com>
#

. /lib/kdump/kdump-lib.sh
export IN_KDUMP=1

conf_file="/etc/kdump.conf"
SSH_KEY_LOCATION="/root/.ssh/kdump_id_rsa"
SAVE_PATH=$(grep ^path $conf_file| cut -d' '  -f2)
[ -z "$SAVE_PATH" ] && SAVE_PATH=$DEFAULT_PATH
# strip the duplicated "/"
SAVE_PATH=$(echo $SAVE_PATH | tr -s /)

is_wdt_addition_needed() {
	local active

	is_wdt_mod_omitted
	[[ $? -eq 0 ]] && return 1
	[[ -d /sys/class/watchdog/ ]] || return 1
	for dir in /sys/class/watchdog/*; do
		[[ -f "$dir/state" ]] || continue
		active=$(< "$dir/state")
		[[ "$active" =  "active" ]] && return 0
	done
	return 1
}

WDTCFG=""
is_wdt_addition_needed
[[ $? -eq 0 ]] && WDTCFG="-a watchdog"

extra_modules=""
if has_hpwdt; then
	extra_modules=hpwdt
fi
dracut_args=("--quiet" "--hostonly" "--hostonly-cmdline" "--hostonly-i18n" "--hostonly-mode" "strict" "-o" "plymouth dash resume ifcfg" $WDTCFG)
OVERRIDE_RESETTABLE=0

add_dracut_arg() {
    local arg qarg is_quoted=0
    while [ $# -gt 0 ];
    do
        arg="${1//\'/\"}"
        #Handle quoted substring properly for passing it to dracut_args array.
        if [ $is_quoted -eq 0 ]; then
            if [[ "$arg" == "\"" ]] || [[ $arg != ${arg#\"} ]]; then
                is_quoted=1
                arg=${arg#\"}
            fi
        fi
        if [ $is_quoted -eq 1 ]; then
            qarg="$qarg $arg"
            if [[ "$arg" == "\"" ]] || [[ $arg != ${arg%\"} ]]; then
                is_quoted=0
                arg=${qarg%\"}
                qarg=""
            else
                shift
                continue
            fi
        fi
        dracut_args+=("$arg")
        shift
    done
}

add_dracut_module() {
    add_dracut_arg "--add" "$1"
}

add_dracut_mount() {
    add_dracut_arg "--mount" "$1"
}

add_dracut_sshkey() {
    add_dracut_arg "--sshkey" "$1"
}

# Generic substring function.  If $2 is in $1, return 0.
strstr() { [[ $1 =~ $2 ]]; }

# caller should ensure $1 is valid and mounted in 1st kernel
to_mount() {
    local _dev=$1 _source _target _fstype _options _mntopts _pdev

    _source=$(findmnt -k -f -n -r -o SOURCE $_dev)
    _target=$(get_mntpoint_from_target $_dev)
    # mount under /sysroot if dump to root disk or mount under
    #/kdumproot/$_target in other cases in 2nd kernel. systemd
    #will be in charge to umount it.

    if [ "$_target" = "/" ];then
        _target="/sysroot"
    else
        _target="/kdumproot/$_target"
    fi

    _fstype=$(findmnt -k -f -n -r -o FSTYPE $_dev)
    [[ -e /etc/fstab ]] && _options=$(findmnt --fstab -f -n -r -o OPTIONS $_dev)
    [ -z "$_options" ] && _options=$(findmnt -k -f -n -r -o OPTIONS $_dev)
    # mount fs target as rw in 2nd kernel
    _options=$(echo $_options | sed 's/\(^\|,\)ro\($\|,\)/\1rw\2/g')
    # with 'noauto' in fstab nfs and non-root disk mount will fail in 2nd
    # kernel, filter it out here.
    _options=$(echo $_options | sed 's/\(^\|,\)noauto\($\|,\)/\1/g')
    # drop nofail or nobootwait
    _options=$(echo $_options | sed 's/\(^\|,\)nofail\($\|,\)/\1/g')
    _options=$(echo $_options | sed 's/\(^\|,\)nobootwait\($\|,\)/\1/g')

    _mntopts="$_target $_fstype $_options"
    #for non-nfs _dev converting to use udev persistent name
    if [ -b "$_source" ]; then
        _pdev="$(kdump_get_persistent_dev $_source $_fstype)"
        if [ $? -ne 0 ]; then
            return 1
        fi

    else
        _pdev=$_dev
    fi

    echo "$_pdev $_mntopts"
}

is_readonly_mount() {
    local _mnt
    _mnt=$(findmnt -k -f -n -r -o OPTIONS $1)

    #fs/proc_namespace.c: show_mountinfo():
    #seq_puts(m, mnt->mnt_flags & MNT_READONLY ? " ro" : " rw");
    [[ "$_mnt" =~ ^ro ]]
}

#Function: get_ssh_size
#$1=dump target
#called from while loop and shouldn't read from stdin, so we're using "ssh -n"
get_ssh_size() {
    local _opt _out _size
    _opt="-i $SSH_KEY_LOCATION -o BatchMode=yes -o StrictHostKeyChecking=yes"
    _out=$(ssh -q -n $_opt $1 "df -P $SAVE_PATH")
    [ $? -ne 0 ] && {
        perror_exit "checking remote ssh server available size failed."
    }

    #ssh output removed the line break, so print field NF-2
    _size=$(echo -n $_out| awk '{avail=NF-2; print $avail}')
    echo -n $_size
}

#mkdir if save path does not exist on ssh dump target
#$1=ssh dump target
#caller should ensure write permission on $1:$SAVE_PATH
#called from while loop and shouldn't read from stdin, so we're using "ssh -n"
mkdir_save_path_ssh()
{
    local _opt _dir
    _opt="-i $SSH_KEY_LOCATION -o BatchMode=yes -o StrictHostKeyChecking=yes"
    ssh -qn $_opt $1 mkdir -p $SAVE_PATH 2>&1 > /dev/null
    _ret=$?
    if [ $_ret -ne 0 ]; then
        perror_exit "mkdir failed on $1:$SAVE_PATH"
    fi

    #check whether user has write permission on $1:$SAVE_PATH
    _dir=$(ssh -qn $_opt $1 mktemp -dqp $SAVE_PATH 2>/dev/null)
    _ret=$?
    if [ $_ret -ne 0 ]; then
        perror_exit "Could not create temporary directory on $1:$SAVE_PATH. Make sure user has write permission on destination"
    fi
    ssh -qn $_opt $1 rmdir $_dir

    return 0
}

#Function: get_fs_size
#$1=dump target
get_fs_size() {
    local _mnt=$(get_mntpoint_from_target $1)
    echo -n $(df -P "${_mnt}/$SAVE_PATH"|tail -1|awk '{print $4}')
}

#Function: get_raw_size
#$1=dump target
get_raw_size() {
        echo -n $(fdisk -s "$1")
}

#Function: check_size
#$1: dump type string ('raw', 'fs', 'ssh')
#$2: dump target
check_size() {
    local avail memtotal

    memtotal=$(awk '/MemTotal/{print $2}' /proc/meminfo)
    case "$1" in
        raw)
            avail=$(get_raw_size "$2")
            ;;
        ssh)
            avail=$(get_ssh_size "$2")
            ;;
        fs)
            avail=$(get_fs_size "$2")
            ;;
        *)
            return
    esac

    if [ $? -ne 0 ]; then
            perror_exit "Check dump target size failed"
    fi

    if [ $avail -lt $memtotal ]; then
        echo "Warning: There might not be enough space to save a vmcore."
        echo "         The size of $2 should be greater than $memtotal kilo bytes."
    fi
}

# $1: core_collector config value
verify_core_collector() {
    if grep -q "^raw" $conf_file && [ "${1%% *}" != "makedumpfile" ]; then
        echo "Warning: specifying a non-makedumpfile core collector, you will have to recover the vmcore manually."
    fi
    if is_ssh_dump_target || is_raw_dump_target; then
        if [ "${1%% *}" = "makedumpfile" ]; then
            ! strstr "$1" "-F" && {
                perror_exit "The specified dump target needs makedumpfile \"-F\" option."
            }
        fi
    fi
}

add_mount() {
    local _mnt=$(to_mount "$1")

    if [ $? -ne 0 ]; then
        exit 1
    fi

    add_dracut_mount "$_mnt"
}

# get_maj_min <device>
# Prints the major and minor of a device node.
# Example:
# $ get_maj_min /dev/sda2
# 8:2
get_maj_min() {
    local _dev
    _dev=$(stat -L -c '$((0x%t)):$((0x%T))' "$1" 2>/dev/null)
    _dev=$(eval "echo $_dev")
    echo $_dev
}

# ugly workaround for the lvm design
# There is no volume group device,
# so, there are no slave devices for volume groups.
# Logical volumes only have the slave devices they really live on,
# but you cannot create the logical volume without the volume group.
# And the volume group might be bigger than the devices the LV needs.
check_vol_slaves() {
    local _lv _vg _pv
    for i in /dev/mapper/*; do
        _lv=$(get_maj_min $i)
        if [[ $_lv = $2 ]]; then
            _vg=$(lvm lvs --noheadings -o vg_name $i 2>/dev/null)
            # strip space
            _vg=$(echo $_vg)
            if [[ $_vg ]]; then
                for _pv in $(lvm vgs --noheadings -o pv_name "$_vg" 2>/dev/null)
                do
                    check_block_and_slaves $1 $(get_maj_min $_pv) && return 0
                done
            fi
        fi
    done
    return 1
}

# Walk all the slave relationships for a given block device.
# Stop when our helper function returns success
# $1 = function to call on every found block device
# $2 = block device in major:minor format
check_block_and_slaves() {
    local _x
    [[ -b /dev/block/$2 ]] || return 1 # Not a block device? So sorry.
    "$1" $2 && return
    check_vol_slaves "$@" && return 0
    if [[ -f /sys/dev/block/$2/../dev ]]; then
        check_block_and_slaves $1 $(cat "/sys/dev/block/$2/../dev") && return 0
    fi
    [[ -d /sys/dev/block/$2/slaves ]] || return 1
    for _x in /sys/dev/block/$2/slaves/*/dev; do
        [[ -f $_x ]] || continue
        check_block_and_slaves $1 $(cat "$_x") && return 0
    done
    return 1
}

#handle the case user does not specify the dump target explicitly
handle_default_dump_target()
{
    local _target
    local _mntpoint

    is_user_configured_dump_target && return

    check_save_path_fs $SAVE_PATH

    _mntpoint=$(get_mntpoint_from_path $SAVE_PATH)
    _target=$(get_target_from_path $SAVE_PATH)

    if is_atomic && is_bind_mount $_mntpoint; then
        SAVE_PATH=${SAVE_PATH##"$_mntpoint"}
        # the real dump path in the 2nd kernel, if the mount point is bind mounted.
        SAVE_PATH=$(get_bind_mount_directory $_mntpoint)/$SAVE_PATH
        _mntpoint=$(get_mntpoint_from_target $_target)

        # the absolute path in the 1st kernel
        SAVE_PATH=$_mntpoint/$SAVE_PATH
    fi

    SAVE_PATH=${SAVE_PATH##"$_mntpoint"}
    add_mount "$_target"
    check_size fs $_target
}

get_override_resettable()
{
    local override_resettable

    override_resettable=$(grep "^override_resettable" $conf_file)
    if [ -n "$override_resettable" ]; then
        OVERRIDE_RESETTABLE=$(echo $override_resettable | cut -d' '  -f2)
        if [ "$OVERRIDE_RESETTABLE" != "0" ] && [ "$OVERRIDE_RESETTABLE" != "1" ];then
            perror_exit "override_resettable value $OVERRIDE_RESETTABLE is invalid"
        fi
    fi
}


# $1: function name
for_each_block_target()
{
    local dev majmin

    for dev in $(get_kdump_targets); do
        [ -b "$dev" ] || continue
        majmin=$(get_maj_min $dev)
        check_block_and_slaves $1 $majmin && return 1
    done

    return 0
}



#judge if a specific device with $1 is unresettable
#return false if unresettable.
is_unresettable()
{
    local path="/sys/$(udevadm info --query=all --path=/sys/dev/block/$1 | awk '/^P:/ {print $2}' | sed -e 's/\(cciss[0-9]\+\/\).*/\1/g' -e 's/\/block\/.*$//')/resettable"
    local resettable=1

    if [ -f "$path" ]
    then
        resettable="$(cat $path)"
        [ $resettable -eq 0 -a "$OVERRIDE_RESETTABLE" -eq 0 ] && {
            local device=$(udevadm info --query=all --path=/sys/dev/block/$1 | awk -F= '/DEVNAME/{print $2}')
            echo "Error: Can not save vmcore because device $device is unresettable"
            return 0
        }
    fi

    return 1
}

#check if machine is resettable.
#return true if resettable
check_resettable()
{
    local _ret _target

    get_override_resettable

    for_each_block_target is_unresettable
    _ret=$?

    [ $_ret -eq 0 ] && return

    return 1
}

# $1: maj:min
is_crypt()
{
    local majmin=$1 dev line ID_FS_TYPE=""

    line=$(udevadm info --query=property --path=/sys/dev/block/$majmin \
            | grep "^ID_FS_TYPE")
    eval "$line"
    [[ "$ID_FS_TYPE" = "crypto_LUKS" ]] && {
        dev=$(udevadm info --query=all --path=/sys/dev/block/$majmin | awk -F= '/DEVNAME/{print $2}')
        echo "Device $dev is encrypted."
        return 0
    }
    return 1
}

check_crypt()
{
    local _ret _target

    for_each_block_target is_crypt
    _ret=$?

    [ $_ret -eq 0 ] && return

    return 1
}

if ! check_resettable; then
    exit 1
fi

if ! check_crypt; then
    echo "Warning: Encrypted device is in dump path. User will prompted for password during second kernel boot."
fi

# firstly get right SSH_KEY_LOCATION
keyfile=$(awk '/^sshkey/ {print $2}' $conf_file)
if [ -f "$keyfile" ]; then
    # canonicalize the path
    SSH_KEY_LOCATION=$(/usr/bin/readlink -m $keyfile)
fi

if [ "$(uname -m)" = "s390x" ]; then
    add_dracut_module "znet"
fi

while read config_opt config_val;
do
    # remove inline comments after the end of a directive.
    case "$config_opt" in
    extra_modules)
        extra_modules="$extra_modules $config_val"
        ;;
    ext[234]|xfs|btrfs|minix|nfs)
        if ! findmnt $config_val >/dev/null; then
            perror_exit "Dump target $config_val is probably not mounted."
        fi

        _absolute_save_path=$(make_absolute_save_path $config_val)
        _mntpoint=$(get_mntpoint_from_path $_absolute_save_path)
        if is_atomic && is_bind_mount $_mntpoint; then
            SAVE_PATH=${_absolute_save_path##"$_mntpoint"}
            # the real dump path in the 2nd kernel, if the mount point is bind mounted.
            SAVE_PATH=$(get_bind_mount_directory $_mntpoint)/$SAVE_PATH
        fi

        add_mount "$config_val"
        check_save_path_fs $_absolute_save_path
        check_size fs $config_val
        ;;
    raw)
        #checking raw disk writable
        dd if=$config_val count=1 of=/dev/null > /dev/null 2>&1 || {
            perror_exit "Bad raw disk $config_val"
        }
        _praw=$(kdump_get_persistent_dev $config_val "raw")
        if [ $? -ne 0 ]; then
            exit 1
        fi
        add_dracut_arg "--device" "$_praw"
        check_size raw $config_val
        ;;
    ssh)
        if strstr "$config_val" "@";
        then
            check_size ssh $config_val
            mkdir_save_path_ssh $config_val
            add_dracut_module "ssh-client"
		add_dracut_sshkey "$SSH_KEY_LOCATION"
        else
            perror_exit "Bad ssh dump target $config_val"
        fi
        ;;
    core_collector)
        verify_core_collector "$config_val"
        ;;
    dracut_args)
        add_dracut_arg $config_val
        ;;
    *)
        ;;
    esac
done <<< "$(read_strip_comments $conf_file)"

handle_default_dump_target

if [ -n "$extra_modules" ]
then
    add_dracut_arg "--add-drivers" "$extra_modules"
fi

if ! is_fadump_capable; then
    # The 2nd rootfs mount stays behind the normal dump target mount,
    # so it doesn't affect the logic of check_dump_fs_modified().
    is_dump_to_rootfs && add_mount "$(to_dev_name $(get_root_fs_device))"

    add_dracut_arg "--no-hostonly-default-device"
fi

dracut "${dracut_args[@]}" "$@"
_rc=$?
sync
exit $_rc

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