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  $   ˆl–äY>”ÊC]Šq@½p!¸ÓjbÑ¿Ä„h8×ÃÂÁ ?÷     #!/usr/bin/bash

_DRACUT_KDUMP_NM_TMP_DIR="$DRACUT_TMPDIR/$$-DRACUT_KDUMP_NM"

_save_kdump_netifs() {
    unique_netifs[$1]=1
}

_get_kdump_netifs() {
    echo -n "${!unique_netifs[@]}"
}

kdump_module_init() {
    if ! [[ -d "${initdir}/tmp" ]]; then
        mkdir -p "${initdir}/tmp"
    fi

    mkdir -p "$_DRACUT_KDUMP_NM_TMP_DIR"

    . /lib/kdump/kdump-lib.sh
}

check() {
    [[ $debug ]] && set -x
    #kdumpctl sets this explicitly
    if [[ -z $IN_KDUMP ]] || [[ ! -f /etc/kdump.conf ]]; then
        return 1
    fi
    return 0
}

depends() {
    local _dep="base shutdown"

    kdump_module_init

    add_opt_module() {
        [[ " $omit_dracutmodules " != *\ $1\ * ]] && _dep="$_dep $1"
    }

    if is_squash_available; then
        add_opt_module squash
    else
        dwarning "Required modules to build a squashed kdump image is missing!"
    fi

    if is_wdt_active; then
        add_opt_module watchdog
    fi

    if is_ssh_dump_target; then
        _dep="$_dep ssh-client"
    fi

    if is_lvm2_thinp_dump_target; then
        if grep -q lvmthinpool-monitor <<< $(dracut --list-modules); then
            add_opt_module lvmthinpool-monitor
        else
            dwarning "Required lvmthinpool-monitor modules is missing! Please upgrade dracut >= 057."
        fi
    fi

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

    if [[ -n "$(ls -A /sys/class/drm 2> /dev/null)" ]] || [[ -d /sys/module/hyperv_fb ]]; then
        add_opt_module drm
    fi

    if is_generic_fence_kdump || is_pcs_fence_kdump; then
        _dep="$_dep network"
    fi

    echo "$_dep"
}

kdump_is_bridge() {
    [[ -d /sys/class/net/"$1"/bridge ]]
}

kdump_is_bond() {
    [[ -d /sys/class/net/"$1"/bonding ]]
}

kdump_is_team() {
    [[ -f /usr/bin/teamnl ]] && teamnl "$1" ports &> /dev/null
}

kdump_is_vlan() {
    [[ -f /proc/net/vlan/"$1" ]]
}

# $1: netdev name
source_ifcfg_file() {
    local ifcfg_file

    dwarning "Network Scripts are deprecated. You are encouraged to set up network by NetworkManager."
    ifcfg_file=$(get_ifcfg_filename "$1")
    if [[ -f ${ifcfg_file} ]]; then
        . "${ifcfg_file}"
    else
        dwarning "The ifcfg file of $1 is not found!"
    fi
}

# $1: repeat times
# $2: string to be repeated
# $3: separator
repeatedly_join_str() {
    local _count="$1"
    local _str="$2"
    local _separator="$3"
    local i _res

    if [[ $_count -le 0 ]]; then
        echo -n ""
        return
    fi

    i=0
    _res="$_str"
    ((_count--))

    while [[ $i -lt $_count ]]; do
        ((i++))
        _res="${_res}${_separator}${_str}"
    done
    echo -n "$_res"
}

# $1: prefix
# $2: ipv6_flag="-6" indicates it's IPv6
# Given a prefix, calculate the netmask (equivalent of "ipcalc -m")
# by concatenating three parts,
#  1) the groups with all bits set 1
#  2) a group with partial bits set to 0
#  3) the groups with all bits set to 0
cal_netmask_by_prefix() {
    local _prefix="$1"
    local _ipv6_flag="$2" _ipv6
    local _bits_per_octet=8
    local _count _res _octets_per_group _octets_total _seperator _total_groups
    local _max_group_value _max_group_value_repr _bits_per_group _tmp _zero_bits

    if [[ $_ipv6_flag == "-6" ]]; then
        _ipv6=1
    else
        _ipv6=0
    fi

    if [[ $_prefix -lt 0 || $_prefix -gt 128 ]] \
        || ( ((!_ipv6)) && [[ $_prefix -gt 32 ]]); then
        derror "Bad prefix:$_prefix for calculating netmask"
        exit 1
    fi

    if ((_ipv6)); then
        _octets_per_group=2
        _octets_total=16
        _seperator=":"
    else
        _octets_per_group=1
        _octets_total=4
        _seperator="."
    fi

    _total_groups=$((_octets_total / _octets_per_group))
    _bits_per_group=$((_octets_per_group * _bits_per_octet))
    _max_group_value=$(((1 << _bits_per_group) - 1))

    if ((_ipv6)); then
        _max_group_value_repr=$(printf "%x" $_max_group_value)
    else
        _max_group_value_repr="$_max_group_value"
    fi

    _count=$((_prefix / _octets_per_group / _bits_per_oct