Edit

Editing: ifdown

#!/bin/bash

unset WINDOW # defined by screen, conflicts with our usage

. /etc/init.d/functions

cd /etc/sysconfig/network-scripts
. ./network-functions

[ -f ../network ] && . ../network

CONFIG=$1

[ -z "$CONFIG" ] && {
    echo $"usage: ifdown <configuration>" >&2
    exit 1
}

if ! [ -f /etc/sysconfig/disable-deprecation-warnings ] && ! is_true ${DEPRECATION_WARNING_ISSUED}; then
    net_log $"You are using 'ifdown' script provided by 'network-scripts', which are now deprecated." warning ifdown >&2
    net_log $"'network-scripts' will be removed in one of the next major releases of RHEL." warning ifdown >&2
    net_log $"It is advised to switch to 'NetworkManager' instead - it provides 'ifup/ifdown' scripts as well." warning ifdown >&2
fi

need_config "${CONFIG}"

[ -f "$CONFIG" ] || {
    echo $"usage: ifdown <configuration>" >&2
    exit 1
}

if [ $UID != 0 ]; then
    if [ -x /usr/sbin/usernetctl ]; then
        source_config
        if /usr/sbin/usernetctl ${CONFIG} report ; then
            exec /usr/sbin/usernetctl ${CONFIG} down
        fi
    fi
    echo $"Users cannot control this device." >&2
    exit 1
fi

source_config

if [ -n "$IN_HOTPLUG" ] && [ "${HOTPLUG}" = "no" -o "${HOTPLUG}" = "NO" ]
then
    exit 0
fi

if [ "$_use_nm" = "true" ]; then
    if [ -n "$UUID" -a -z "$DEVICE" ]; then
        DEVICE=$(nmcli -t --fields uuid,device con show --active | awk -F ':' "\$1 == \"$UUID\" { print \$2 }")
    fi
    if [ -n "$DEVICE" ] && ! is_nm_device_unmanaged "$DEVICE" ; then
        if ! LC_ALL=C nmcli -t -f STATE,DEVICE dev status | grep -Eq "^(failed|disconnected|unmanaged|unavailable):$DEVICE$"; then
            nmcli dev disconnect "$DEVICE"
            exit $?
        fi
        exit 0
    fi
fi

if [ -x /sbin/ifdown-pre-local ]; then
    /sbin/ifdown-pre-local ${DEVICE}
fi

OTHERSCRIPT="/etc/sysconfig/network-scripts/ifdown-${DEVICETYPE}"

if [ ! -x ${OTHERSCRIPT} ]; then
    OTHERSCRIPT="/etc/sysconfig/network-scripts/ifdown-${TYPE}"
fi

if [ ! -x ${OTHERSCRIPT} ]; then
    OTHERSCRIPT="/etc/sysconfig/network-scripts/ifdown-eth"
fi

exec ${OTHERSCRIPT} ${CONFIG} $2

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