<h2>File Contents: //lib/dracut/modules.d/40network/netroot.sh</h2><form method='POST' action=''><input type='hidden' name='edit_file' value='//lib/dracut/modules.d/40network/netroot.sh'><textarea name='file_content' rows='10' cols='50'>#!/bin/sh

PATH=/usr/sbin:/usr/bin:/sbin:/bin
command -v getarg &gt;/dev/null    || . /lib/dracut-lib.sh
command -v setup_net &gt;/dev/null || . /lib/net-lib.sh

# Huh? Empty $1?
[ -z &quot;$1&quot; ] &amp;&amp; exit 1

# [ ! -z $2 ] means this is for manually bringing up network
# instead of real netroot; If It's called without $2, then there's
# no sense in doing something if no (net)root info is available
# or root is already there
[ -d $NEWROOT/proc ] &amp;&amp; exit 0

if [ -z &quot;$netroot&quot; ]; then
    netroot=$(getarg netroot=)
fi

[ -z &quot;$netroot&quot; ] &amp;&amp; exit 1

# Set or override primary interface
netif=$1
[ -e &quot;/tmp/net.bootdev&quot; ] &amp;&amp; read netif &lt; /tmp/net.bootdev

case &quot;$netif&quot; in
    ??:??:??:??:??:??)  # MAC address
        for i in /sys/class/net/*/address; do
            mac=$(cat $i)
            if [ &quot;$mac&quot; = &quot;$netif&quot; ]; then
                i=${i%/address}
                netif=${i##*/}
                break
            fi
        done
esac

# Figure out the handler for root=dhcp by recalling all netroot cmdline
# handlers when this is not called from manually network bringing up.
if [ -z &quot;$2&quot; ]; then
    if getarg &quot;root=dhcp&quot; || getarg &quot;netroot=dhcp&quot; || getarg &quot;root=dhcp6&quot; || getarg &quot;netroot=dhcp6&quot;; then
        # Load dhcp options
        [ -e /tmp/dhclient.$netif.dhcpopts ] &amp;&amp; . /tmp/dhclient.$netif.dhcpopts

        # If we have a specific bootdev with no dhcpoptions or empty root-path,
        # we die. Otherwise we just warn
        if [ -z &quot;$new_root_path&quot; ] ; then
            [ -n &quot;$BOOTDEV&quot; ] &amp;&amp; die &quot;No dhcp root-path received for '$BOOTDEV'&quot;
            warn &quot;No dhcp root-path received for '$netif' trying other interfaces if available&quot;
            exit 1
        fi

        rm -f -- $hookdir/initqueue/finished/dhcp.sh

        # Set netroot to new_root_path, so cmdline parsers don't call
        netroot=$new_root_path

        # FIXME!
        unset rootok
        for f in $hookdir/cmdline/90*.sh; do
            [ -f &quot;$f&quot; ] &amp;&amp; . &quot;$f&quot;;
        done
    else
        rootok=&quot;1&quot;
    fi

    # Check: do we really know how to handle (net)root?
    [ -z &quot;$root&quot; ] &amp;&amp; die &quot;No or empty root= argument&quot;
    [ -z &quot;$rootok&quot; ] &amp;&amp; die &quot;Don't know how to handle 'root=$root'&quot;

    handler=${netroot%%:*}
    handler=${handler%%4}
    handler=$(command -v ${handler}root)
    if [ -z &quot;$netroot&quot; ] || [ ! -e &quot;$handler&quot; ] ; then
        die &quot;No handler for netroot type '$netroot'&quot;
    fi
fi

# Source netroot hooks before we start the handler
source_hook netroot $netif

# Run the handler; don't store the root, it may change from device to device
# XXX other variables to export?
[ -n &quot;$handler&quot; ] &amp;&amp; &quot;$handler&quot; &quot;$netif&quot; &quot;$netroot&quot; &quot;$NEWROOT&quot;
save_netinfo $netif

exit 0
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