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