diff options
Diffstat (limited to 'network-scripts/ifup-post')
| -rwxr-xr-x | network-scripts/ifup-post | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/network-scripts/ifup-post b/network-scripts/ifup-post new file mode 100755 index 00000000..f8a91add --- /dev/null +++ b/network-scripts/ifup-post @@ -0,0 +1,151 @@ +#!/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 + +# Notify programs that have requested notification +do_netreport + +if [ -x /sbin/ifup-local ]; then + /sbin/ifup-local ${DEVICE} +fi + +exit 0 |