+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="$2"
+ local hwmode hwmode_11n
+
+ config_get channel "$device" channel
+ config_get hwmode "$device" hwmode
+ case "$hwmode" in
+ 11bg) hwmode=bg;;
+ 11a) hwmode=a;;
+ 11b) hwmode=b;;
+ 11g) hwmode=g;;
+ 11n*)
+ hwmode_11n="${hwmode##11n}"
+ case "$hwmode" in
+ a|g) ;;
+ default) hwmode_11n="$default"
+ esac
+ config_set "$device" hwmode_11n "$hwmode_11n"
+ ;;
+ *)
+ hwmode=
+ if [ "${channel:-0}" -gt 0 ]; then
+ if [ "${channel:-0}" -gt 14 ]; then
+ hwmode=a
+ else
+ hwmode=g
+ fi
+ else
+ hwmode="$default"
+ fi
+ ;;
+ esac
+ config_set "$device" hwmode "$hwmode"
+}