diff options
Diffstat (limited to 'network-scripts/ifup-wireless')
| -rw-r--r-- | network-scripts/ifup-wireless | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/network-scripts/ifup-wireless b/network-scripts/ifup-wireless new file mode 100644 index 00000000..5fdceadf --- /dev/null +++ b/network-scripts/ifup-wireless @@ -0,0 +1,195 @@ +#!/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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA +# +# Configure wireless network device options. See iwconfig(8) for more info. +# Mageia prefixes the following variables with WIRELESS_ prefix. +# Valid variables: +# MODE: Ad-Hoc, Managed, etc. +# ESSID: Name of the wireless network +# NWID: Name of this machine on the network. Hostname is default +# FREQ: Frequency to operate on. See CHANNEL +# CHANNEL: Numbered frequency to operate on. See FREQ +# SENS: Sensitivity threshold for packet rejection. +# RATE: Transfer rate. Usually one of Auto, 11, 5, 2, or 1. +# RTS: Explicit RTS handshake. Usually not specified (auto) +# FRAG: Fragmentation threshold to split packets. Usually not specified. +# IWCONFIG: Extra parameters to pass directly to IWCONFIG +# IWPRIV: Extra parameters to pass directly to IWPRIV +# +# redhat-only variables: +# KEY: Encryption key for WEP. +# KEY[1-4]: Encryption key for WEP in position [1-4] +# SECURITYMODE: Security mode, e.g: 'open' or 'restricted' +# SPYIPS: List of IP addresses to "spy" on for link performance stats. +# +# mandriva-only variables: +# WIRELESS_NICK: nickname for wireless connection +# WIRELESS_ENC_KEY: Encryption key for WEP. +# WIRELESS_ENC_MODE: Security mode, e.g: 'open' or 'restricted' +# WIRELESS_XSUPPLICANT: Enabling xsupplicant support +# WIRELESS_XSUPPLICANT_FILE: Custom location for xsupplicant.conf file + +# Only meant to be called from ifup. + +# unify variables common to RH and Mageia-style ifcfg +MODE=${MODE:-$WIRELESS_MODE} +ESSID=${ESSID:-$WIRELESS_ESSID} +NWID=${NWID:-$WIRELESS_NWID} +FREQ=${FREQ:-$WIRELESS_FREQ} +CHANNEL=${CHANNEL:-$WIRELESS_CHANNEL} +SENS=${SENS:-$WIRELESS_SENS} +RATE=${RATE:-$WIRELESS_RATE} +POWER=${POWER:-$WIRELESS_POWER} +RTS=${RTS:-$WIRELESS_RTS} +FRAG=${FRAG:-$WIRELESS_FRAG} +IWCONFIG=${IWCONFIG:-$WIRELESS_IWCONFIG} +IWSPY=${IWSPY:-$WIRELESS_IWSPY} +IWPRIV=${IWPRIV:-$WIRELESS_IWPRIV} + +# Mode need to be first : some settings apply only in a specific mode ! +if [ -n "$MODE" ] ; then + # for some cards, the mode can only be set with the card is down + # so we bring the card down (and suspending ifplugd if it is running) + # in order to do so (mdv bug #43166) + ifplugd -S -i $DEVICE 2>/dev/null + /sbin/ip link set dev $DEVICE down + iwconfig $DEVICE mode $MODE + ifplugd -R -i $DEVICE 2>/dev/null +fi + +# Set link up (some cards require this.) +/sbin/ip link set dev ${DEVICE} up + +# Setup the card nickname +# This is a bit hackish, but should do the job right... +if [ -n "$ESSID" -o -n "$MODE" ] ; then + NICKNAME=$(/bin/hostname) + iwconfig $DEVICE nick "$NICKNAME" >/dev/null 2>&1 +fi +if [ -n "$WIRELESS_NICK" ] ; then + iwconfig $DEVICE nick $WIRELESS_NICK >/dev/null 2>&1 +elif [ -n "$ESSID" ] || [ -n "$MODE" ] ; then + # This is a bit hackish, but should do the job right... + NICKNAME=`/bin/hostname` + iwconfig $DEVICE nick $NICKNAME >/dev/null 2>&1 +fi + +# Regular stuff... +# network id +if [ -n "$NWID" ] ; then + iwconfig $DEVICE nwid $NWID +fi + +# frequency and channel +if [ -n "$FREQ" -a "$MODE" != "Managed" ] ; then + iwconfig $DEVICE freq $FREQ +elif [ -n "$CHANNEL" -a "$MODE" != "Managed" ] ; then + iwconfig $DEVICE channel $CHANNEL +fi + +# sensitivity +if [ -n "$SENS" ] ; then + iwconfig $DEVICE sens $SENS +fi + +# rate +if [ -n "$RATE" ] ; then + iwconfig $DEVICE rate "$RATE" +fi + +# encryption +# for redhat-style ifcfg +if [ -n "$KEY" -o -n "$KEY1" -o -n "$KEY2" -o -n "$KEY3" -o -n "$KEY4" ] ; then + [ -n "$KEY1" ] && iwconfig $DEVICE key "[1]" $KEY1 + [ -n "$KEY2" ] && iwconfig $DEVICE key "[2]" $KEY2 + [ -n "$KEY3" ] && iwconfig $DEVICE key "[3]" $KEY3 + [ -n "$KEY4" ] && iwconfig $DEVICE key "[4]" $KEY4 + [ -n "$DEFAULTKEY" ] && iwconfig $DEVICE key "[${DEFAULTKEY}]" + [ -n "$KEY" ] && iwconfig $DEVICE key $KEY +else + iwconfig $DEVICE key off +fi + +# for mandriva-style ifcfg +if [ -n "$WIRELESS_ENC_KEY" -o "$WIRELESS_ENC_MODE" ] ; then + if [ -n "$WIRELESS_ENC_MODE" ]; then + iwconfig $DEVICE key $WIRELESS_ENC_MODE "$WIRELESS_ENC_KEY" + else + # compatibility for older config files + # that used to contain enc mode in key + echo "$WIRELESS_ENC_KEY" | egrep -q '^(open|restricted) ' + if [ $? == 0 ]; then + iwconfig $DEVICE key $WIRELESS_ENC_KEY + else + iwconfig $DEVICE key "$WIRELESS_ENC_KEY" + fi + fi +fi + +# security mode +if [ -n "$SECURITYMODE" ]; then + iwconfig $DEVICE enc $SECURITYMODE +fi + +# power +if [ -n "$POWER" ] ; then + iwconfig $DEVICE power $POWER +fi + +# rts +if [ -n "$RTS" ] ; then + iwconfig $DEVICE rts $RTS +fi + +# fragmentation +if [ -n "$FRAG" ] ; then + iwconfig $DEVICE frag $FRAG +fi + +# More specific parameters passed directly to IWCONFIG +if [ -n "$IWCONFIG" ] ; then + iwconfig $DEVICE $IWCONFIG +fi + +# iwspy settings +if [ -n "$SPYIPS" ] ; then + for IP in $SPYIPS; do + iwspy $DEVICE + $IP + done +fi +if [ -n "$IWSPY" ] ; then + /sbin/iwspy $DEVICE $IWSPY +fi + +# private options +if [ -n "$IWPRIV" ] ; then + IFS=$'\n' echo "$IWPRIV" | while read priv; do + [ -n -n "$priv" ] && eval "/sbin/iwpriv $DEVICE $priv" + done +fi + +# ESSID need to be last : most device re-perform the scanning/discovery +# when this is set, and things like encryption keys are better be +# defined if we want to discover the right set of APs/nodes. +if [ -n "$ESSID" ] ; then + iwconfig $DEVICE essid "$ESSID" +else + # use any essid + iwconfig $DEVICE essid any >/dev/null 2>&1 +fi |