wlanconfig revision 220351
1#!/bin/sh 2#- 3# Copyright (c) 2011 Nathan Whitehorn 4# All rights reserved. 5# 6# Redistribution and use in source and binary forms, with or without 7# modification, are permitted provided that the following conditions 8# are met: 9# 1. Redistributions of source code must retain the above copyright 10# notice, this list of conditions and the following disclaimer. 11# 2. Redistributions in binary form must reproduce the above copyright 12# notice, this list of conditions and the following disclaimer in the 13# documentation and/or other materials provided with the distribution. 14# 15# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25# SUCH DAMAGE. 26# 27# $FreeBSD: head/usr.sbin/bsdinstall/scripts/wlanconfig 220351 2011-04-05 03:11:21Z nwhitehorn $ 28 29echo -n > $BSDINSTALL_TMPETC/wpa_supplicant.conf 30chmod 0600 $BSDINSTALL_TMPETC/wpa_supplicant.conf 31 32echo "ctrl_interface=/var/run/wpa_supplicant" >> $BSDINSTALL_TMPETC/wpa_supplicant.conf 33echo "eapol_version=2" >> $BSDINSTALL_TMPETC/wpa_supplicant.conf 34echo "ap_scan=1" >> $BSDINSTALL_TMPETC/wpa_supplicant.conf 35echo "fast_reauth=1" >> $BSDINSTALL_TMPETC/wpa_supplicant.conf 36echo >> $BSDINSTALL_TMPETC/wpa_supplicant.conf 37 38# Try to reach wpa_supplicant. If it isn't running and we can modify the 39# existing system, start it. Otherwise, fail. 40(wpa_cli ping >/dev/null 2>/dev/null || ([ ! -z $BSDINSTALL_CONFIGCURRENT ] && \ 41 wpa_supplicant -B -i $1 -c $BSDINSTALL_TMPETC/wpa_supplicant.conf)) || \ 42 (dialog --backtitle "FreeBSD Installer" --title "Error" --msgbox \ 43 "Could not start wpa_supplicant!" 0 0; exit 1) || exit 1 44 45# See if we succeeded 46wpa_cli ping >/dev/null 2>/dev/null 47if [ $? -ne 0 -a -z $BSDINSTALL_CONFIGCURRENT ]; then 48 dialog --backtitle "FreeBSD Installer" --title "Error" --msgbox \ 49 "Wireless cannot be configured without making changes to the local system!" \ 0 0 50 exit 1 51fi 52 53wpa_cli scan >>$BSDINSTALL_LOG 54dialog --backtitle "FreeBSD Installer" --title "Scanning" --ok-label "Skip" \ 55 --pause "Waiting 5 seconds to scan for wireless networks..." \ 56 9 40 5 || exit 1 57 58SCAN_RESULTS=`wpa_cli scan_results` 59NETWORKS=`echo "$SCAN_RESULTS" | awk -F '\t' \ 60 '/..:..:..:..:..:../ {if (length($5) > 0) printf("\"%s\"\t%s\n", $5, $4);}' | 61 sort | uniq` 62 63if [ -z $NETWORKS ]; then 64 dialog --backtitle "FreeBSD Installer" --title "Error" \ 65 --yesno "No wireless networks were found. Rescan?" 0 0 && \ 66 exec $0 $@ 67 exit 1 68fi 69 70exec 3>&1 71NETWORK=`sh -c "dialog --extra-button --extra-label \"Rescan\" \ 72 --backtitle \"FreeBSD Installer\" --title \"Network Selection\" --menu \ 73 \"Select a wireless network to connect to.\" 0 0 0 \ 74 $(echo $NETWORKS | tr '\n' ' ')" 2>&1 1>&3` 75case $? in 760) # OK 77 ;; 781) # Cancel 79 exit 1 80 ;; 813) # Rescan 82 exec $0 $@ 83 ;; 84esac 85exec 3>&- 86 87ENCRYPTION=`echo "$NETWORKS" | awk -F '\t' \ 88 "/^\"$NETWORK\"\t/ {printf(\"%s\n\", \\\$2 );}"` 89 90if echo $ENCRYPTION | grep -q 'PSK'; then 91 exec 3>&1 92 PASS=`dialog --insecure --backtitle "FreeBSD Installer" \ 93 --title "WPA Setup" --mixedform "" 0 0 0 \ 94 "SSID" 1 0 "$NETWORK" 1 12 0 0 2 \ 95 "Password" 2 0 "" 2 12 15 0 1 \ 96 2>&1 1>&3` \ 97 || exec $0 $@ 98 exec 3>&- 99echo "network={ 100 ssid=\"$NETWORK\" 101 psk=\"$PASS\" 102 priority=5 103}" >> $BSDINSTALL_TMPETC/wpa_supplicant.conf 104elif echo $ENCRYPTION | grep -q WEP; then 105 echo FOO 106 exec 3>&1 107 WEPKEY=`dialog --insecure --backtitle "FreeBSD Installer" \ 108 --title "WEP Setup" --mixedform "" 0 0 0 \ 109 "SSID" 1 0 "$NETWORK" 1 12 0 0 2 \ 110 "WEP Key 0" 2 0 "" 2 12 15 0 1 \ 111 2>&1 1>&3` \ 112 || exec $0 $@ 113echo "network={ 114 ssid=\"$NETWORK\" 115 key_mgmt=NONE 116 wep_key0=\"$WEPKEY\" 117 wep_tx_keyidx=0 118 priority=5 119}" >> $BSDINSTALL_TMPETC/wpa_supplicant.conf 120else # Open 121echo "network={ 122 ssid=\"$NETWORK\" 123 key_mgmt=NONE 124 priority=5 125}" >> $BSDINSTALL_TMPETC/wpa_supplicant.conf 126fi 127 128# Connect to any open networks policy 129echo "network={ 130 priority=5 131 key_mgmt=NONE 132}" >> $BSDINSTALL_TMPETC/wpa_supplicant.conf 133 134# Bring up new network 135test ! -z $BSDINSTALL_CONFIGCURRENT && wpa_cli reconfigure >>$BSDINSTALL_LOG 136 137exit 0 138