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openwrt-xburst/package/hostapd/files/hostapd.sh
hauke c8a61e1e0b [hostapd] hostapd only supports either b or g as hwmode configuration variable.
If bg is set the scripts transfers it now to g mode.


git-svn-id: svn://svn.openwrt.org/openwrt/trunk@15182 3c298f89-4303-0410-b956-a3cf2f4a3e73
2009-04-09 21:44:30 +00:00

111 lines
2.8 KiB
Bash

hostapd_setup_vif() {
local vif="$1"
local driver="$2"
local hostapd_cfg=
# Examples:
# psk-mixed/tkip => WPA1+2 PSK, TKIP
# wpa-psk2/tkip+aes => WPA2 PSK, CCMP+TKIP
# wpa2/tkip+aes => WPA2 RADIUS, CCMP+TKIP
# ...
# TODO: move this parsing function somewhere generic, so that
# later it can be reused by drivers that don't use hostapd
# crypto defaults: WPA2 vs WPA1
case "$enc" in
wpa2*|WPA2*|*PSK2*|*psk2*)
wpa=2
crypto="CCMP"
;;
*mixed*)
wpa=3
crypto="CCMP TKIP"
;;
*)
wpa=1
crypto="TKIP"
;;
esac
# explicit override for crypto setting
case "$enc" in
*tkip+aes|*TKIP+AES|*tkip+ccmp|*TKIP+CCMP) crypto="CCMP TKIP";;
*tkip|*TKIP) crypto="TKIP";;
*aes|*AES|*ccmp|*CCMP) crypto="CCMP";;
esac
# use crypto/auth settings for building the hostapd config
case "$enc" in
*psk*|*PSK*)
config_get psk "$vif" key
if [ ${#psk} -eq 64 ]; then
append hostapd_cfg "wpa_psk=$psk" "$N"
else
append hostapd_cfg "wpa_passphrase=$psk" "$N"
fi
;;
*wpa*|*WPA*)
# required fields? formats?
# hostapd is particular, maybe a default configuration for failures
config_get server "$vif" server
append hostapd_cfg "auth_server_addr=$server" "$N"
config_get port "$vif" port
port=${port:-1812}
append hostapd_cfg "auth_server_port=$port" "$N"
config_get secret "$vif" key
append hostapd_cfg "auth_server_shared_secret=$secret" "$N"
config_get nasid "$vif" nasid
append hostapd_cfg "nas_identifier=$nasid" "$N"
append hostapd_cfg "eapol_key_index_workaround=1" "$N"
append hostapd_cfg "radius_acct_interim_interval=300" "$N"
append hostapd_cfg "ieee8021x=1" "$N"
append hostapd_cfg "auth_algs=1" "$N"
append hostapd_cfg "wpa_key_mgmt=WPA-EAP" "$N"
append hostapd_cfg "wpa_group_rekey=300" "$N"
append hostapd_cfg "wpa_gmk_rekey=640" "$N"
;;
*)
wpa=0
crypto=
;;
esac
config_get ifname "$vif" ifname
config_get bridge "$vif" bridge
config_get ssid "$vif" ssid
config_get device "$vif" device
config_get channel "$device" channel
config_get hwmode "$device" hwmode
case "$hwmode" in
bg) hwmode=g;;
esac
config_get country "$device" country
[ "$channel" = auto ] && channel=
[ -n "$channel" -a -z "$hwmode" ] && wifi_fixup_hwmode "$device"
[ -n "$hwmode" ] && {
config_get hwmode_11n "$device" hwmode_11n
[ -n "$hwmode_11n" ] && {
hwmode="$hwmode_11n"
config_get ht_capab "$device" ht_capab
}
}
cat > /var/run/hostapd-$ifname.conf <<EOF
ctrl_interface=/var/run/hostapd-$ifname
driver=$driver
interface=$ifname
${hwmode:+hw_mode=$hwmode}
${channel:+channel=$channel}
${bridge:+bridge=$bridge}
ssid=$ssid
debug=0
wpa=$wpa
${crypto:+wpa_pairwise=$crypto}
${country:+country_code=$country}
${hwmode_11n:+ieee80211n=1}
${ht_capab:+ht_capab=$ht_capab}
$hostapd_cfg
EOF
hostapd -P /var/run/wifi-$ifname.pid -B /var/run/hostapd-$ifname.conf
}