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[package] base-files, mac80211 (#6491)

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- fix wep key handling in iw with mac80211 based drivers
  - sanitize keys where necessary
  - put a procedure prepare_key_wep() into /sbin/wifi for use by other driver backends


git-svn-id: svn://svn.openwrt.org/openwrt/trunk@19118 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
jow 2010-01-13 18:39:44 +00:00
parent 90cf754566
commit 505a102cb3
2 changed files with 37 additions and 14 deletions
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13
package/base-files/files/sbin/wifi
View File

@ -34,6 +34,19 @@ bridge_interface() {(
[ "$iftype" = bridge ] && config_get "$cfg" ifname
)}
prepare_key_wep() {
local key="$1"
local hex=1
echo -n "$key" | grep -qE "[^a-fA-F0-9]" && hex=0
[ "${#key}" -eq 10 -a $hex -eq 1 ] || \
[ "${#key}" -eq 26 -a $hex -eq 1 ] || {
[ "${key:0:2}" = "s:" ] && key="${key#s:}"
key="$(echo -n "$key" | hexdump -ve '1/1 "%02x" ""')"
}
echo "$key"
}
wifi_fixup_hwmode() {
local device="$1"
local default="$2"

28
package/mac80211/files/lib/wifi/mac80211.sh
View File

@ -176,20 +176,30 @@ enable_mac80211() {
# configured to handle the wep connection
if [ ! "$mode" = "ap" ]; then
case "$enc" in
wep)
*wep*)
config_get keymgmt "$vif" keymgmt
if [ -n "$keymgmt" ]; then
if [ -z "$keymgmt" ]; then
config_get key "$vif" key
key="${key:-1}"
case "$key" in
[1234])
for idx in 1 2 3 4; do
local zidx
zidx=$(($idx - 1))
config_get key "$vif" "key${idx}"
if [ -n "$key" ]; then
append keystring "${zidx}:${key} "
config_get ckey "$vif" "key${idx}"
if [ -n "$ckey" ]; then
[ $idx -eq $key ] && zidx="d:${zidx}"
append keystring "${zidx}:$(prepare_key_wep "$ckey")"
fi
done
;;
*)
keystring="d:0:$(prepare_key_wep "$key")"
;;
esac
fi
;;
*wpa*|*psk*)
*psk*|*wpa*)
config_get key "$vif" key
;;
esac
@ -241,10 +251,10 @@ enable_mac80211() {
sta|mesh)
config_get bssid "$vif" bssid
case "$enc" in
wep)
if [ -n "$keymgmt" ]; then
*wep*)
if [ -z "$keymgmt" ]; then
[ -n "$keystring" ] &&
iw dev "$ifname" connect "$ssid" ${fixed:+$freq} $bssid key "$keystring"
iw dev "$ifname" connect "$ssid" ${fixed:+$freq} $bssid key $keystring
else
if eval "type wpa_supplicant_setup_vif" 2>/dev/null >/dev/null; then
wpa_supplicant_setup_vif "$vif" wext || {