openwrt/package/broadcom-wl/files/lib/wifi/broadcom.sh
2016-03-20 17:29:15 +01:00

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bridge_interface() {
(
. /etc/functions.sh
include network
scan_interfaces
cfg="$(find_config "$1")"
[ -z "$cfg" ] && return 0
config_get iftype "$cfg" type
[ "$iftype" = bridge ] && config_get "$iftype" bridge
)
}
scan_broadcom() {
local device="$1"
config_get vifs "$device" vifs
for vif in $vifs; do
config_get mode "$vif" mode
case "$mode" in
adhoc)
adhoc=1
adhoc_if="$vif"
;;
sta)
sta=1
sta_if="$vif"
;;
ap)
ap=1
ap_if="${ap_if:+$ap_if }$vif"
;;
*) echo "$device($vif): Invalid mode";;
esac
done
local _c=
for vif in ${adhoc_if:-$sta_if $ap_if}; do
config_set "$vif" ifname "wl0${_c:+.$_c}"
_c=$((${_c:-0} + 1))
done
ifdown="down"
for vif in 0 1 2 3; do
append ifdown "vif $vif" "$N"
append ifdown "enabled 0" "$N"
done
ap=1
infra=1
mssid=1
apsta=0
radio=1
case "$adhoc:$sta:$ap" in
1*)
ap=0
mssid=0
infra=0
;;
:1:1)
apsta=1
wet=1
;;
:1:)
wet=1
ap=0
mssid=0
;;
::)
radio=0
;;
esac
}
setup_broadcom() {
local _c
config_get channel "$device" channel
config_get country "$device" country
config_get maxassoc "$device" maxassoc
_c=0
nas="$(which nas)"
nas_cmd=
if_up=
for vif in ${adhoc_if:-$sta_if $ap_if}; do
append vif_pre_up "vif $_c" "$N"
append vif_post_up "vif $_c" "$N"
[ "$vif" = "$sta_if" ] || {
config_get_bool hidden "$vif" hidden 1
append vif_pre_up "closed $hidden" "$N"
config_get_bool isolate "$vif" isolate
append vif_pre_up "ap_isolate $hidden" "$N"
}
wsec_r=0
eap_r=0
wsec=0
auth=0
nasopts=
config_get enc "$vif" encryption
case "$enc" in
WEP|wep)
wsec_r=1
;;
*psk*|*PSK*)
wsec_r=1
config_get key "$vif" key
case "$enc" in
wpa2*|WPA2*|PSK2*|psk2*) auth=128; wsec=4;;
*) auth=4; crypto=2;;
esac
eval "${vif}_key=\"\$key\""
nasopts="-k \"\$${vif}_key\""
;;
*wpa*|*WPA*)
wsec_r=1
eap_r=1
config_get key "$vif" key
config_get server "$vif" server
config_get port "$vif" port
case "$enc" in
wpa2*|WPA2*) auth=64; wsec=4;;
*) auth=2; crypto=2;;
esac
eval "${vif}_key=\"\$key\""
nasopts="-r \"\$${vif}_key\" -h $server -p $port"
;;
esac
append vif_post_up "wsec $wsec" "$N"
append vif_post_up "wpa_auth $auth" "$N"
append vif_post_up "wsec_restrict $wsec_r" "$N"
append vif_post_up "eap_restrict $eap_r" "$N"
config_get ssid "$vif" ssid
append vif_post_up "vlan_mode 0"
append vif_post_up "ssid $ssid" "$N"
append vif_post_up "enabled 1" "$N"
config_get ifname "$vif" ifname
append if_up "ifconfig $ifname up" ";$N"
[ -z "$nasopts" ] || {
bridge="$(bridge_interface "$ifname")"
eval "${vif}_ssid=\"\$ssid\""
mode="-A"
[ "$vif" = "$sta_if" ] && mode="-S"
[ -z "$nas" ] || nas_cmd="${nas_cmd:+$nas_cmd$N}$nas -P /var/run/nas.$ifname.pid -H 34954 ${bridge:+ -l $bridge} -i $ifname $mode -m $auth -w $crypto -s \"\$${vif}_ssid\" -g 3600 $nasopts &"
}
_c=$(($_c + 1))
done
killall -KILL nas >&- 2>&-
wlc stdin <<EOF
$ifdown
mssid $mssid
ap $ap
apsta $apsta
infra $infra
${wet:+wet 1}
radio ${radio:-1}
macfilter 0
maclist none
wds none
channel ${channel:-0}
country ${country:-IL0}
maxassoc ${maxassoc:-128}
$vif_pre_up
up
$vif_post_up
EOF
eval "$nas_cmd"
eval "$if_up"
}