freebsd-nq/usr.sbin/bsdinstall/scripts/wlanconfig
Christian Brueffer a4de89de11 Allow WPA PSKs up to 63 characters, the max length according to
wpa_supplicant.conf(5).  Up to now, the PSK was truncated
to 15 characters (the length of the input field).

PR:		159559
Submitted by:	Gavin Chappell <gavin.chappell@gmail.com>
Approved by:	re (kib)
2011-09-13 21:39:26 +00:00

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#!/bin/sh
#-
# Copyright (c) 2011 Nathan Whitehorn
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
# $FreeBSD$
echo -n > $BSDINSTALL_TMPETC/wpa_supplicant.conf
chmod 0600 $BSDINSTALL_TMPETC/wpa_supplicant.conf
echo "ctrl_interface=/var/run/wpa_supplicant" >> $BSDINSTALL_TMPETC/wpa_supplicant.conf
echo "eapol_version=2" >> $BSDINSTALL_TMPETC/wpa_supplicant.conf
echo "ap_scan=1" >> $BSDINSTALL_TMPETC/wpa_supplicant.conf
echo "fast_reauth=1" >> $BSDINSTALL_TMPETC/wpa_supplicant.conf
echo >> $BSDINSTALL_TMPETC/wpa_supplicant.conf
# Try to reach wpa_supplicant. If it isn't running and we can modify the
# existing system, start it. Otherwise, fail.
(wpa_cli ping >/dev/null 2>/dev/null || ([ ! -z $BSDINSTALL_CONFIGCURRENT ] && \
wpa_supplicant -B -i $1 -c $BSDINSTALL_TMPETC/wpa_supplicant.conf)) || \
(dialog --backtitle "FreeBSD Installer" --title "Error" --msgbox \
"Could not start wpa_supplicant!" 0 0; exit 1) || exit 1
# See if we succeeded
wpa_cli ping >/dev/null 2>/dev/null
if [ $? -ne 0 -a -z $BSDINSTALL_CONFIGCURRENT ]; then
dialog --backtitle "FreeBSD Installer" --title "Error" --msgbox \
"Wireless cannot be configured without making changes to the local system!" \ 0 0
exit 1
fi
wpa_cli scan >>$BSDINSTALL_LOG
dialog --backtitle "FreeBSD Installer" --title "Scanning" --ok-label "Skip" \
--pause "Waiting 5 seconds to scan for wireless networks..." \
9 40 5 || exit 1
SCAN_RESULTS=`wpa_cli scan_results`
NETWORKS=`echo "$SCAN_RESULTS" | awk -F '\t' \
'/..:..:..:..:..:../ {if (length($5) > 0) printf("\"%s\"\t%s\n", $5, $4);}' |
sort | uniq`
if [ -z $NETWORKS ]; then
dialog --backtitle "FreeBSD Installer" --title "Error" \
--yesno "No wireless networks were found. Rescan?" 0 0 && \
exec $0 $@
exit 1
fi
exec 3>&1
NETWORK=`sh -c "dialog --extra-button --extra-label \"Rescan\" \
--backtitle \"FreeBSD Installer\" --title \"Network Selection\" --menu \
\"Select a wireless network to connect to.\" 0 0 0 \
$(echo $NETWORKS | tr '\n' ' ')" 2>&1 1>&3`
case $? in
0) # OK
;;
1) # Cancel
exit 1
;;
3) # Rescan
exec $0 $@
;;
esac
exec 3>&-
ENCRYPTION=`echo "$NETWORKS" | awk -F '\t' \
"/^\"$NETWORK\"\t/ {printf(\"%s\n\", \\\$2 );}"`
if echo $ENCRYPTION | grep -q 'PSK'; then
exec 3>&1
PASS=`dialog --insecure --backtitle "FreeBSD Installer" \
--title "WPA Setup" --mixedform "" 0 0 0 \
"SSID" 1 0 "$NETWORK" 1 12 0 0 2 \
"Password" 2 0 "" 2 12 15 63 1 \
2>&1 1>&3` \
|| exec $0 $@
exec 3>&-
echo "network={
ssid=\"$NETWORK\"
psk=\"$PASS\"
priority=5
}" >> $BSDINSTALL_TMPETC/wpa_supplicant.conf
elif echo $ENCRYPTION | grep -q WEP; then
echo FOO
exec 3>&1
WEPKEY=`dialog --insecure --backtitle "FreeBSD Installer" \
--title "WEP Setup" --mixedform "" 0 0 0 \
"SSID" 1 0 "$NETWORK" 1 12 0 0 2 \
"WEP Key 0" 2 0 "" 2 12 15 0 1 \
2>&1 1>&3` \
|| exec $0 $@
echo "network={
ssid=\"$NETWORK\"
key_mgmt=NONE
wep_key0=\"$WEPKEY\"
wep_tx_keyidx=0
priority=5
}" >> $BSDINSTALL_TMPETC/wpa_supplicant.conf
else # Open
echo "network={
ssid=\"$NETWORK\"
key_mgmt=NONE
priority=5
}" >> $BSDINSTALL_TMPETC/wpa_supplicant.conf
fi
# Connect to any open networks policy
echo "network={
priority=5
key_mgmt=NONE
}" >> $BSDINSTALL_TMPETC/wpa_supplicant.conf
# Bring up new network
test ! -z $BSDINSTALL_CONFIGCURRENT && wpa_cli reconfigure >>$BSDINSTALL_LOG
exit 0