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#!/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 ] && . ../network
unset REALDEVICE
if [ "$1" = --realdevice ] ; then
REALDEVICE=$2
shift 2
fi
CONFIG=$1
source_config
[ -z "$REALDEVICE" ] && REALDEVICE=$DEVICE
if is_false "$ISALIAS"; then
/etc/sysconfig/network-scripts/ifup-aliases ${DEVICE} ${CONFIG}
fi
if ! is_true "$NOROUTESET"; then
/etc/sysconfig/network-scripts/ifup-routes ${REALDEVICE} ${DEVNAME}
fi
if ! is_false "${PEERDNS}" || ! is_false "${RESOLV_MODS}"; then
# Obtain the DNS entries when using PPP if necessary:
[ -n "${MS_DNS1}" ] && DNS1="${MS_DNS1}"
[ -n "${MS_DNS2}" ] && DNS2="${MS_DNS2}"
# Remove duplicate DNS entries and shift them, if necessary:
update_DNS_entries
# Determine what regexp we should use (for testing below):
if [ -n "${DNS3}" ]; then
grep_regexp="[^#]?nameserver[[:space:]]+${DNS1}[^#]?nameserver[[:space:]]+${DNS2}[^#]?nameserver[[:space:]]+${DNS3}"
elif [ -n "${DNS2}" ]; then
grep_regexp="[^#]?nameserver[[:space:]]+${DNS1}[^#]?nameserver[[:space:]]+${DNS2}"
elif [ -n "${DNS1}" ]; then
grep_regexp="[^#]?nameserver[[:space:]]+${DNS1}"
else
# No DNS entries used at all ->> match everything.
grep_regexp=".*"
fi
# Test if the search field needs updating, or
# if the nameserver entries order should be updated:
if [ -n "${DOMAIN}" ] && ! grep -q "^search.*${DOMAIN}.*$" /etc/resolv.conf ||
! tr --delete '\n' < /etc/resolv.conf | grep -E -q "${grep_regexp}"; then
if tmp_file=$(mktemp); then
search_str=''
while read line; do
case ${line} in
# Skip nameserver entries when at least one DNS option was given
# (at this stage we know that we have to update all the nameserver
# enries anyway -- see below), or copy them if we are changing just
# the 'search' field in /etc/resolv.conf:
nameserver*)
if [[ "${grep_regexp}" != ".*" ]]; then
continue
else
echo "${line}" >> "${tmp_file}"
fi
;;
domain* | search*)
if [ -n "${DOMAIN}" ]; then
read search value < <(echo ${line})
search_str+=" ${value}"
else
echo "${line}" >> "${tmp_file}"
fi
;;
# Keep the rest of the /etc/resolv.conf as it was:
*)
echo "${line}" >> "${tmp_file}"
;;
esac
done < /etc/resolv.conf
# Insert the domain into 'search' field:
if [ -n "${DOMAIN}" ]; then
echo "search ${DOMAIN}${search_str}" >> "${tmp_file}"
fi
# Add the requested nameserver entries:
[ -n "${DNS1}" ] && echo "nameserver ${DNS1}" >> "${tmp_file}"
[ -n "${DNS2}" ] && echo "nameserver ${DNS2}" >> "${tmp_file}"
[ -n "${DNS3}" ] && echo "nameserver ${DNS3}" >> "${tmp_file}"
# Backup resolv.conf only if it doesn't exist already:
! [ -f /etc/resolv.conf.save ] && cp -af /etc/resolv.conf /etc/resolv.conf.save
# Maintain permissions, but set umask in case it doesn't exist:
umask_old=$(umask)
umask 022
# Update the resolv.conf:
change_resolv_conf "${tmp_file}"
rm -f "${tmp_file}"
umask ${umask_old}
unset tmp_file search_str umask_old
else
net_log $"/etc/resolv.conf was not updated: failed to create temporary file" 'err' 'ifup-post'
fi
fi
unset grep_regexp
fi
# don't set hostname on ppp/slip connections
if [ "$2" = "boot" -a \
"${DEVICE}" != lo -a \
"${DEVICETYPE}" != "ppp" -a \
"${DEVICETYPE}" != "slip" ]; then
if need_hostname; then
IPADDR=$(LANG=C ip -o -4 addr ls dev ${DEVICE} | awk '{ print $4 ; exit }')
eval $(/bin/ipcalc --silent --hostname ${IPADDR} ; echo "status=$?")
if [ "$status" = "0" ]; then
set_hostname $HOSTNAME
fi
fi
fi
# Set firewall ZONE for this device (empty means default):
if [ "${REALDEVICE}" != "lo" ]; then
dbus-send --system --dest=org.fedoraproject.FirewallD1 \
/org/fedoraproject/FirewallD1 \
org.fedoraproject.FirewallD1.zone.changeZoneOfInterface \
string:"${ZONE}" string:"${DEVICE}" \
> /dev/null 2>&1
fi
if [ -x /sbin/ifup-local ]; then
/sbin/ifup-local ${DEVICE}
fi
exit 0
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