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ariane
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195
init.d/networking
Executable file
195
init.d/networking
Executable file
@@ -0,0 +1,195 @@
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#!/bin/sh -e
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### BEGIN INIT INFO
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# Provides: networking ifupdown
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# Required-Start: mountkernfs $local_fs urandom
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# Required-Stop: $local_fs
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# Default-Start: S
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# Default-Stop: 0 6
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# Short-Description: Raise network interfaces.
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# Description: Prepare /run/network directory, ifstate file and raise network interfaces, or take them down.
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### END INIT INFO
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PATH="/sbin:/bin"
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RUN_DIR="/run/network"
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IFSTATE="$RUN_DIR/ifstate"
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STATEDIR="$RUN_DIR/state"
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[ -x /sbin/ifup ] || exit 0
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[ -x /sbin/ifdown ] || exit 0
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. /lib/lsb/init-functions
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CONFIGURE_INTERFACES=yes
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EXCLUDE_INTERFACES=
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VERBOSE=no
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[ -f /etc/default/networking ] && . /etc/default/networking
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verbose=""
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[ "$VERBOSE" = yes ] && verbose=-v
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process_exclusions() {
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set -- $EXCLUDE_INTERFACES
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exclusions=""
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for d
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do
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exclusions="-X $d $exclusions"
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done
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echo $exclusions
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}
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process_options() {
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[ -e /etc/network/options ] || return 0
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log_warning_msg "/etc/network/options still exists and it will be IGNORED! Please use /etc/sysctl.conf instead."
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}
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check_ifstate() {
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if [ ! -d "$RUN_DIR" ] ; then
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if ! mkdir -p "$RUN_DIR" ; then
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log_failure_msg "can't create $RUN_DIR"
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exit 1
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fi
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if ! chown root:netdev "$RUN_DIR" ; then
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log_warning_msg "can't chown $RUN_DIR"
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fi
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fi
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if [ ! -r "$IFSTATE" ] ; then
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if ! :> "$IFSTATE" ; then
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log_failure_msg "can't initialise $IFSTATE"
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exit 1
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fi
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fi
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}
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check_network_file_systems() {
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[ -e /proc/mounts ] || return 0
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if [ -e /etc/iscsi/iscsi.initramfs ]; then
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log_warning_msg "not deconfiguring network interfaces: iSCSI root is mounted."
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exit 0
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fi
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while read DEV MTPT FSTYPE REST; do
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case $DEV in
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/dev/nbd*|/dev/nd[a-z]*|/dev/etherd/e*|curlftpfs*)
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log_warning_msg "not deconfiguring network interfaces: network devices still mounted."
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exit 0
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;;
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esac
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case $FSTYPE in
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nfs|nfs4|smbfs|ncp|ncpfs|cifs|coda|ocfs2|gfs|pvfs|pvfs2|fuse.httpfs|fuse.curlftpfs)
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log_warning_msg "not deconfiguring network interfaces: network file systems still mounted."
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exit 0
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;;
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esac
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done < /proc/mounts
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}
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check_network_swap() {
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[ -e /proc/swaps ] || return 0
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while read DEV MTPT FSTYPE REST; do
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case $DEV in
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/dev/nbd*|/dev/nd[a-z]*|/dev/etherd/e*)
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log_warning_msg "not deconfiguring network interfaces: network swap still mounted."
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exit 0
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;;
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esac
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done < /proc/swaps
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}
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ifup_hotplug () {
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if [ -d /sys/class/net ]
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then
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ifaces=$(for iface in $(ifquery --list --allow=hotplug)
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do
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link=${iface##:*}
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link=${link##.*}
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if [ -e "/sys/class/net/$link" ]
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then
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echo "$iface"
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fi
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done)
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if [ -n "$ifaces" ]
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then
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ifup $ifaces "$@" || true
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fi
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fi
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}
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case "$1" in
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start)
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process_options
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check_ifstate
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if [ "$CONFIGURE_INTERFACES" = no ]
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then
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log_action_msg "Not configuring network interfaces, see /etc/default/networking"
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exit 0
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fi
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set -f
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exclusions=$(process_exclusions)
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log_action_begin_msg "Configuring network interfaces"
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if [ -x /bin/udevadm ]; then
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if [ -n "$(ifquery --list --exclude=lo)" ] || [ -n "$(ifquery --list --allow=hotplug)" ]; then
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/bin/udevadm settle || true
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fi
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fi
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if ifup -a $exclusions $verbose && ifup_hotplug $exclusions $verbose
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then
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log_action_end_msg $?
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else
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log_action_end_msg $?
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fi
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;;
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stop)
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check_network_file_systems
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check_network_swap
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log_action_begin_msg "Deconfiguring network interfaces"
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if ifdown -a --exclude=lo $verbose; then
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log_action_end_msg $?
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else
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log_action_end_msg $?
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fi
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;;
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reload)
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process_options
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log_action_begin_msg "Reloading network interfaces configuration"
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state=$(ifquery --state)
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ifdown -a --exclude=lo $verbose || true
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if ifup --exclude=lo $state $verbose ; then
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log_action_end_msg $?
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else
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log_action_end_msg $?
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fi
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;;
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force-reload|restart)
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process_options
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log_warning_msg "Running $0 $1 is deprecated because it may not re-enable some interfaces"
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log_action_begin_msg "Reconfiguring network interfaces"
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ifdown -a --exclude=lo $verbose || true
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set -f
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exclusions=$(process_exclusions)
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if ifup -a --exclude=lo $exclusions $verbose && ifup_hotplug $exclusions $verbose
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then
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log_action_end_msg $?
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else
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log_action_end_msg $?
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fi
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;;
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*)
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echo "Usage: /etc/init.d/networking {start|stop|reload|restart|force-reload}"
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exit 1
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;;
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esac
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exit 0
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# vim: noet ts=8
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