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#!/bin/bash
# Network Interface Configuration System
# Copyright (c) 1996-2009 Red Hat, Inc. all rights reserved.
#
# Based on PCMCIA wireless script by (David Hinds/Jean Tourrilhes)
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License, version 2,
# as published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
# Configure wireless network device options. See iw(8) for more info.
# Valid variables:
# MODE: Ad-Hoc, Managed, etc.
# ESSID: Name of the wireless network
# FREQ: Frequency to operate on. See CHANNEL
# KEY: Encryption key for WEP.
# Only meant to be called from ifup.
IW=${IW:-iw}
[ "$KEY" ] && KEYS="key d:0:$KEY"
shopt -s nocasematch
case "$MODE" in
managed)
if [ "$ESSID" ]; then
$IW dev "$DEVICE" set type managed
$IW dev "$DEVICE" connect -w "$ESSID" $FREQ $KEYS
fi
;;
ad-hoc)
if [ -n "$ESSID" -a -n "$FREQ" ]; then
$IW dev "$DEVICE" set type ibss
$IW dev "$DEVICE" ibss join "$ESSID" "$FREQ" $KEYS
fi
;;
monitor)
if [ "$FREQ" ]; then
$IW dev "$DEVICE" set type monitor
$IW dev "$DEVICE" set freq "$FREQ"
fi
;;
esac
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