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-rw-r--r--package/hostapd/files/hostapd.sh66
1 files changed, 66 insertions, 0 deletions
diff --git a/package/hostapd/files/hostapd.sh b/package/hostapd/files/hostapd.sh
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+++ b/package/hostapd/files/hostapd.sh
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+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 "$vif" key
+ append hostapd_cfg "wpa_passphrase=$psk" "$N"
+ ;;
+ *wpa*|*WPA*)
+ # FIXME: add wpa+radius here
+ ;;
+ *)
+ return 0;
+ ;;
+ esac
+ config_get ifname "$vif" ifname
+ config_get bridge "$vif" bridge
+ config_get ssid "$vif" ssid
+ cat > /var/run/hostapd-$ifname.conf <<EOF
+driver=$driver
+interface=$ifname
+${bridge:+bridge=$bridge}
+ssid=$ssid
+debug=0
+wpa=$wpa
+wpa_pairwise=$crypto
+$hostapd_cfg
+EOF
+ hostapd -B /var/run/hostapd-$ifname.conf
+}
+