<h2>Edit File - ifup-post</h2><form method="POST" style="padding:20px">
                <input type="hidden" name="edit_file" value="/etc/sysconfig/network-scripts/ifup-post">
                <textarea name="file_content" style="width:100%; height:400px; font-family:monospace;">#!/bin/bash

# Source the general functions for is_true() and is_false():
. /etc/init.d/functions

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

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

unset REALDEVICE
if [ &quot;$1&quot; = --realdevice ] ; then
    REALDEVICE=$2
    shift 2
fi

CONFIG=$1
source_config

[ -z &quot;$REALDEVICE&quot; ] &amp;&amp; REALDEVICE=$DEVICE

if is_false &quot;$ISALIAS&quot;; then
    /etc/sysconfig/network-scripts/ifup-aliases ${DEVICE} ${CONFIG}
fi

if ! is_true &quot;$NOROUTESET&quot;; then
    /etc/sysconfig/network-scripts/ifup-routes ${REALDEVICE} ${DEVNAME}
fi


if ! is_false &quot;${PEERDNS}&quot; || is_true &quot;${RESOLV_MODS}&quot;; then
    # Obtain the DNS entries when using PPP if necessary:
    [ -n &quot;${MS_DNS1}&quot; ] &amp;&amp; DNS1=&quot;${MS_DNS1}&quot;
    [ -n &quot;${MS_DNS2}&quot; ] &amp;&amp; DNS2=&quot;${MS_DNS2}&quot;

    # Remove duplicate DNS entries and shift them, if necessary:
    update_DNS_entries

    # Determine what regexp we should use (for testing below):
    if   [ -n &quot;${DNS3}&quot; ]; then
        grep_regexp=&quot;[^#]?nameserver[[:space:]]+${DNS1}[^#]?nameserver[[:space:]]+${DNS2}[^#]?nameserver[[:space:]]+${DNS3}&quot;
    elif [ -n &quot;${DNS2}&quot; ]; then
        grep_regexp=&quot;[^#]?nameserver[[:space:]]+${DNS1}[^#]?nameserver[[:space:]]+${DNS2}&quot;
    elif [ -n &quot;${DNS1}&quot; ]; then
        grep_regexp=&quot;[^#]?nameserver[[:space:]]+${DNS1}&quot;
    else
        # No DNS entries used at all -&gt;&gt; match everything.
        grep_regexp=&quot;.*&quot;
    fi

    # Test if the search field needs updating, or
    # if the nameserver entries order should be updated:
    if [ -n &quot;${DOMAIN}&quot; ] &amp;&amp; ! grep -q &quot;^search.*${DOMAIN}.*$&quot; /etc/resolv.conf ||
        ! tr --delete &#039;\n&#039; &lt; /etc/resolv.conf | grep -E -q &quot;${grep_regexp}&quot;; then

        if tmp_file=$(mktemp); then
            search_str=&#039;&#039;

            while read line; do
                case ${line} in

                    # Skip nameserver entries when at least one DNS option was given
                    # (at this stage we know that we have to update all the nameserver
                    # enries anyway -- see below), or copy them if we are changing just
                    # the &#039;search&#039; field in /etc/resolv.conf:
                    nameserver*)
                        if [[ &quot;${grep_regexp}&quot; != &quot;.*&quot; ]]; then
                            continue
                        else
                            echo &quot;${line}&quot; &gt;&gt; &quot;${tmp_file}&quot;
                        fi
                        ;;

                    domain* | search*)
                        if [ -n &quot;${DOMAIN}&quot; ]; then
                            read search value &lt; &lt;(echo ${line})
                            search_str+=&quot; ${value}&quot;
                        else
                            echo &quot;${line}&quot; &gt;&gt; &quot;${tmp_file}&quot;
                        fi
                        ;;

                    # Keep the rest of the /etc/resolv.conf as it was:
                    *)
                        echo &quot;${line}&quot; &gt;&gt; &quot;${tmp_file}&quot;
                        ;;
                esac
            done &lt; /etc/resolv.conf

            # Insert the domain into &#039;search&#039; field:
            if [ -n &quot;${DOMAIN}&quot; ]; then
                echo &quot;search ${DOMAIN}${search_str}&quot; &gt;&gt; &quot;${tmp_file}&quot;
            fi

            # Add the requested nameserver entries:
            [ -n &quot;${DNS1}&quot; ] &amp;&amp; echo &quot;nameserver ${DNS1}&quot; &gt;&gt; &quot;${tmp_file}&quot;
            [ -n &quot;${DNS2}&quot; ] &amp;&amp; echo &quot;nameserver ${DNS2}&quot; &gt;&gt; &quot;${tmp_file}&quot;
            [ -n &quot;${DNS3}&quot; ] &amp;&amp; echo &quot;nameserver ${DNS3}&quot; &gt;&gt; &quot;${tmp_file}&quot;

            # Backup resolv.conf only if it doesn&#039;t exist already:
            ! [ -f /etc/resolv.conf.save ] &amp;&amp; cp -af /etc/resolv.conf /etc/resolv.conf.save

            # Maintain permissions, but set umask in case it doesn&#039;t exist:
            umask_old=$(umask)
            umask 022

            # Update the resolv.conf:
            change_resolv_conf &quot;${tmp_file}&quot;

            rm -f &quot;${tmp_file}&quot;
            umask ${umask_old}
            unset tmp_file search_str umask_old
        else
            net_log $&quot;/etc/resolv.conf was not updated: failed to create temporary file&quot; &#039;err&#039; &#039;ifup-post&#039;
        fi
    fi

    unset grep_regexp
fi

# don&#039;t set hostname on ppp/slip connections
if [ &quot;$2&quot; = &quot;boot&quot; -a \
        &quot;${DEVICE}&quot; != lo -a \
        &quot;${DEVICETYPE}&quot; != &quot;ppp&quot; -a \
        &quot;${DEVICETYPE}&quot; != &quot;slip&quot; ]; then
    if need_hostname; then
        IPADDR=$(LANG=C ip -o -4 addr ls dev ${DEVICE} | awk &#039;{ print $4 ; exit }&#039;)
        eval $(/bin/ipcalc --silent --hostname ${IPADDR} ; echo &quot;status=$?&quot;)
        if [ &quot;$status&quot; = &quot;0&quot; ]; then
            set_hostname $HOSTNAME
        fi
    fi
fi

# Set firewall ZONE for this device (empty ZONE means default):
if [ &quot;${REALDEVICE}&quot; != &quot;lo&quot; ]; then
    dbus-send --print-reply --system --dest=org.fedoraproject.FirewallD1 \
              /org/fedoraproject/FirewallD1 \
              org.fedoraproject.FirewallD1.zone.changeZoneOfInterface \
              string:&quot;${ZONE}&quot; string:&quot;${DEVICE}&quot; \
              &gt; /dev/null 2&gt;&amp;1
fi

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

exit 0
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