| 1 | #! /bin/sh
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| 2 | # innotek VirtualBox
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| 3 | # Linux static host networking interface initialization
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| 4 | #
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| 5 |
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| 6 | #
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| 7 | # Copyright (C) 2007 innotek GmbH
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| 8 | #
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| 9 | # This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | # available from http://www.virtualbox.org. This file is free software;
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| 11 | # you can redistribute it and/or modify it under the terms of the GNU
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| 12 | # General Public License as published by the Free Software Foundation,
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| 13 | # in version 2 as it comes in the "COPYING" file of the VirtualBox OSE
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| 14 | # distribution. VirtualBox OSE is distributed in the hope that it will
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| 15 | # be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 |
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| 17 | # chkconfig: 35 30 60
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| 18 | # description: VirtualBox permanent host networking setup
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| 19 | #
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| 20 | ### BEGIN INIT INFO
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| 21 | # Provides: vboxnet
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| 22 | # Required-Start: $network
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| 23 | # Required-Stop:
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| 24 | # Default-Start: 3 5
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| 25 | # Default-Stop:
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| 26 | # Description: VirtualBox permanent host networking setup
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| 27 | ### END INIT INFO
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| 28 |
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| 29 | PATH=$PATH:/bin:/sbin:/usr/sbin
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| 30 | CONFIG="/etc/vbox/interfaces"
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| 31 | VARDIR="/var/run/VirtualBox"
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| 32 | VARFILE="/var/run/VirtualBox/vboxnet"
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| 33 | TAPDEV="/dev/net/tun"
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| 34 |
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| 35 | if [ -f /etc/redhat-release ]; then
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| 36 | system=redhat
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| 37 | elif [ -f /etc/SuSE-release ]; then
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| 38 | system=suse
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| 39 | elif [ -f /etc/gentoo-release ]; then
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| 40 | system=gentoo
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| 41 | else
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| 42 | system=other
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| 43 | fi
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| 44 |
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| 45 | if [ "$system" = "redhat" ]; then
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| 46 | . /etc/init.d/functions
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| 47 | fail_msg() {
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| 48 | echo_failure
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| 49 | echo
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| 50 | }
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| 51 |
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| 52 | succ_msg() {
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| 53 | echo_success
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| 54 | echo
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| 55 | }
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| 56 |
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| 57 | begin() {
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| 58 | echo -n "$1"
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| 59 | }
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| 60 | fi
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| 61 |
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| 62 | if [ "$system" = "suse" ]; then
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| 63 | . /etc/rc.status
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| 64 | fail_msg() {
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| 65 | rc_failed 1
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| 66 | rc_status -v
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| 67 | }
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| 68 |
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| 69 | succ_msg() {
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| 70 | rc_reset
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| 71 | rc_status -v
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| 72 | }
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| 73 |
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| 74 | begin() {
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| 75 | echo -n "$1"
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| 76 | }
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| 77 | fi
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| 78 |
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| 79 | if [ "$system" = "gentoo" ]; then
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| 80 | . /sbin/functions.sh
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| 81 | fail_msg() {
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| 82 | eend 1
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| 83 | }
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| 84 |
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| 85 | succ_msg() {
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| 86 | eend $?
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| 87 | }
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| 88 |
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| 89 | begin() {
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| 90 | ebegin $1
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| 91 | }
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| 92 |
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| 93 | if [ "`which $0`" = "/sbin/rc" ]; then
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| 94 | shift
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| 95 | fi
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| 96 | fi
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| 97 |
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| 98 | if [ "$system" = "other" ]; then
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| 99 | fail_msg() {
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| 100 | echo " ...fail!"
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| 101 | }
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| 102 |
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| 103 | succ_msg() {
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| 104 | echo " ...done."
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| 105 | }
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| 106 |
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| 107 | begin() {
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| 108 | echo -n $1
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| 109 | }
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| 110 | fi
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| 111 |
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| 112 | fail() {
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| 113 | if [ "$system" = "gentoo" ]; then
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| 114 | eerror $1
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| 115 | exit 1
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| 116 | fi
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| 117 | fail_msg
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| 118 | echo "($1)"
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| 119 | exit 1
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| 120 | }
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| 121 |
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| 122 | running() {
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| 123 | test -f "$VARFILE"
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| 124 | }
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| 125 |
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| 126 | valid_ifname() {
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| 127 | if expr match "$1" "vbox[0-9][0-9]*$" > /dev/null 2>&1
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| 128 | then
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| 129 | return 0
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| 130 | else
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| 131 | return 1
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| 132 | fi
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| 133 | }
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| 134 |
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| 135 | # Create all permanent TAP devices registered on the system, add them to a
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| 136 | # bridge if required and keep a record of proceedings in the file
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| 137 | # /var/run/VirtualBox/vboxnet. If this file already exists, assume that the
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| 138 | # script has already been started and do nothing.
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| 139 | start_network() {
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| 140 | begin "Starting VirtualBox host networking"
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| 141 | # If the service is already running, return successfully.
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| 142 | if [ -f "$VARFILE" ]
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| 143 | then
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| 144 | succ_msg
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| 145 | return 0
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| 146 | fi
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| 147 | # Fail if we can't create our runtime record file
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| 148 | if [ ! -d "$VARDIR" ]
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| 149 | then
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| 150 | if ! mkdir "$VARDIR" 2> /dev/null
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| 151 | then
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| 152 | fail_msg
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| 153 | return 1
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| 154 | fi
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| 155 | fi
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| 156 | if ! touch "$VARFILE" 2> /dev/null
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| 157 | then
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| 158 | fail_msg
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| 159 | return 1
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| 160 | fi
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| 161 | # If there is no configuration file, report success
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| 162 | if [ ! -f "$CONFIG" ]
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| 163 | then
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| 164 | succ_msg
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| 165 | return 0
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| 166 | fi
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| 167 | # Fail if we can't read our configuration
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| 168 | if [ ! -r "$CONFIG" ]
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| 169 | then
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| 170 | fail_msg
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| 171 | return 1
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| 172 | fi
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| 173 | # Fail if we don't have tunctl
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| 174 | if ! VBoxTunctl -h 2>&1 | grep VBoxTunctl > /dev/null
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| 175 | then
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| 176 | fail_msg
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| 177 | return 1
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| 178 | fi
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| 179 | # Fail if we don't have the kernel tun device
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| 180 | # Make sure that the tun module is loaded (Ubuntu 7.10 needs this)
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| 181 | modprobe tun 2>&1 > /dev/null
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| 182 | if ! cat /proc/misc 2>/dev/null | grep tun > /dev/null
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| 183 | then
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| 184 | fail_msg
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| 185 | return 1
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| 186 | fi
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| 187 | succ_msg
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| 188 | # Read the configuration file entries line by line and create the
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| 189 | # interfaces
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| 190 | while read line
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| 191 | do
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| 192 | set ""$line
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| 193 | # If the line is a comment then ignore it
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| 194 | if ((! expr match "$1" "#" > /dev/null) && (! test -z "$1"))
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| 195 | then
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| 196 | # Check that the line is correctly formed (an interface name plus one
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| 197 | # or two non-comment entries, possibly followed by a comment).
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| 198 | if ((! expr match "$2" "#" > /dev/null) &&
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| 199 | (test -z "$4" || expr match "$4" "#" > /dev/null) &&
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| 200 | (valid_ifname "$1"))
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| 201 | then
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| 202 | # Try to create the interface
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| 203 | if VBoxTunctl -t "$1" -u "$2" > /dev/null 2>&1
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| 204 | then
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| 205 | # On SUSE Linux Enterprise Server, the interface does not
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| 206 | # appear immediately, so we loop trying to bring it up.
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| 207 | i=1
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| 208 | while [ $i -le 10 ]
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| 209 | do
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| 210 | ifconfig "$1" up 2> /dev/null
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| 211 | if ifconfig | grep "$1" > /dev/null 2>&1
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| 212 | then
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| 213 | # Add the interface to a bridge if one was specified
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| 214 | if [ ! -z "$3" ]
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| 215 | then
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| 216 | if brctl addif "$3" "$1" 2> /dev/null
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| 217 | then
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| 218 | echo "$1 $2 $3" > "$VARFILE"
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| 219 | else
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| 220 | echo "$1 $2" > "$VARFILE"
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| 221 | echo "Warning - failed to add interface $1 to the bridge $3"
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| 222 | fi
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| 223 | else
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| 224 | echo "$1 $2" > $VARFILE
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| 225 | fi
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| 226 | i=20
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| 227 | else
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| 228 | i=`expr $i + 1`
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| 229 | sleep .1
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| 230 | fi
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| 231 | done
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| 232 | if [ $i -ne 20 ]
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| 233 | then
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| 234 | echo "Warning - failed to bring up the interface $1"
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| 235 | fi
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| 236 | else
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| 237 | echo "Warning - failed to create the interface $1 for the user $2"
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| 238 | fi
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| 239 | else
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| 240 | echo "Warning - invalid line in $CONFIG:"
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| 241 | echo " $line"
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| 242 | fi
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| 243 | fi
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| 244 | done < "$CONFIG"
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| 245 | # Set /dev/net/tun to belong to the group vboxusers if it exists and does
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| 246 | # yet belong to a group.
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| 247 | if ls -g "$TAPDEV" 2>/dev/null | grep root 2>&1 > /dev/null
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| 248 | then
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| 249 | chgrp vboxusers "$TAPDEV"
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| 250 | chmod 0660 "$TAPDEV"
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| 251 | fi
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| 252 | return 0
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| 253 | }
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| 254 |
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| 255 | # Shut down VirtualBox host networking and remove all permanent TAP
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| 256 | # interfaces. This action will fail if some interfaces could not be removed.
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| 257 | stop_network() {
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| 258 | begin "Shutting down VirtualBox host networking"
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| 259 | # If there is no runtime record file, assume that the service is not
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| 260 | # running.
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| 261 | if [ ! -f "$VARFILE" ]
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| 262 | then
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| 263 | succ_msg
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| 264 | return 0
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| 265 | fi
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| 266 | # Fail if we can't read our runtime record file or write to the
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| 267 | # folder it is located in
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| 268 | if [ ! -r "$VARFILE" -o ! -w "$VARDIR" ]
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| 269 | then
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| 270 | fail_msg
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| 271 | return 1
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| 272 | fi
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| 273 | # Fail if we don't have tunctl
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| 274 | if ! VBoxTunctl -h 2>&1 | grep VBoxTunctl > /dev/null
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| 275 | then
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| 276 | fail_msg
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| 277 | return 1
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| 278 | fi
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| 279 | # Read the runtime record file entries line by line and delete the
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| 280 | # interfaces. The format of the runtime record file is not checked for
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| 281 | # errors.
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| 282 | while read line
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| 283 | do
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| 284 | set ""$line
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| 285 | # Remove the interface from a bridge if it is part of one
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| 286 | if [ ! -z "$3" ]
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| 287 | then
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| 288 | brctl delif "$3" "$1" 2> /dev/null
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| 289 | fi
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| 290 | # Remove the interface. Roll back everything and fail if this is not
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| 291 | # possible
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| 292 | if (! ifconfig "$1" down 2> /dev/null ||
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| 293 | ! VBoxTunctl -d "$1" > /dev/null 2>&1)
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| 294 | then
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| 295 | while read line
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| 296 | do
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| 297 | set ""$line
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| 298 | VBoxTunctl -t "$1" -u "$2" > /dev/null 2>&1
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| 299 | ifconfig "$1" up 2> /dev/null
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| 300 | if [ ! -z "$3" ]
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| 301 | then
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| 302 | brctl addif "$3" "$1"
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| 303 | fi
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| 304 | done < "$VARFILE"
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| 305 | fail_msg
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| 306 | return 1
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| 307 | fi
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| 308 | done < "$VARFILE"
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| 309 | rm -f "$VARFILE" 2> /dev/null
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| 310 | succ_msg
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| 311 | return 0
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| 312 | }
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| 313 |
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| 314 | # Shut down VirtualBox host networking and remove all permanent TAP
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| 315 | # interfaces. This action will succeed even if not all interfaces could be
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| 316 | # removed. It is only intended for exceptional circumstances such as
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| 317 | # uninstalling VirtualBox.
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| 318 | force_stop_network() {
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| 319 | begin "Shutting down VirtualBox host networking"
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| 320 | # If there is no runtime record file, assume that the service is not
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| 321 | # running.
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| 322 | if [ ! -f "$VARFILE" ]
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| 323 | then
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| 324 | succ_msg
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| 325 | return 0
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| 326 | fi
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| 327 | # Fail if we can't read our runtime record file or write to the
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| 328 | # folder it is located in
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| 329 | if [ ! -r "$VARFILE" -o ! -w "$VARDIR" ]
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| 330 | then
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| 331 | fail_msg
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| 332 | return 1
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| 333 | fi
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| 334 | # Fail if we don't have tunctl
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| 335 | if ! VBoxTunctl -h 2>&1 | grep VBoxTunctl > /dev/null
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| 336 | then
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| 337 | fail_msg
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| 338 | return 1
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| 339 | fi
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| 340 | # Read the runtime record file entries line by line and delete the
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| 341 | # interfaces. The format of the runtime record file is not checked for
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| 342 | # errors.
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| 343 | while read line
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| 344 | do
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| 345 | set ""$line
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| 346 | # Remove the interface from a bridge if it is part of one
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| 347 | if [ ! -z "$3" ]
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| 348 | then
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| 349 | brctl delif "$3" "$1" 2> /dev/null
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| 350 | fi
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| 351 | # Remove the interface.
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| 352 | ifconfig "$1" down 2> /dev/null
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| 353 | VBoxTunctl -d "$1" > /dev/null 2>&1
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| 354 | done < "$VARFILE"
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| 355 | rm -f "$VARFILE" 2> /dev/null
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| 356 | succ_msg
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| 357 | return 0
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| 358 | }
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| 359 |
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| 360 | start() {
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| 361 | start_network
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| 362 | }
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| 363 |
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| 364 | stop() {
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| 365 | stop_network
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| 366 | }
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| 367 |
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| 368 | force_stop() {
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| 369 | force_stop_network
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| 370 | }
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| 371 |
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| 372 | restart() {
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| 373 | stop_network && start_network
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| 374 | }
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| 375 |
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| 376 | status() {
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| 377 | if running; then
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| 378 | echo "VirtualBox host networking is loaded."
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| 379 | else
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| 380 | echo "VirtualBox host networking is not loaded."
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| 381 | fi
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| 382 | }
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| 383 |
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| 384 | case "$1" in
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| 385 | start)
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| 386 | start
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| 387 | ;;
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| 388 | stop)
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| 389 | stop
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| 390 | ;;
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| 391 | restart)
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| 392 | restart
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| 393 | ;;
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| 394 | force-reload)
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| 395 | restart
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| 396 | ;;
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| 397 | force-stop)
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| 398 | force_stop
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| 399 | ;;
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| 400 | status)
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| 401 | status
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| 402 | ;;
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| 403 | *)
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| 404 | echo "Usage: `basename $0` {start|stop|restart|force-reload|status}"
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| 405 | exit 1
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| 406 | esac
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| 407 |
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| 408 | exit
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