hostapd_set_bss_options() { local var="$1" local vif="$2" local enc wpa_group_rekey wps_possible config_get enc "$vif" encryption config_get wpa_group_rekey "$vif" wpa_group_rekey config_get_bool ap_isolate "$vif" isolate 0 config_get device "$vif" device config_get hwmode "$device" hwmode if [ "$ap_isolate" -gt 0 ]; then append "$var" "ap_isolate=$ap_isolate" "$N" fi # 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 "$enc" in wpa2*|*psk2*) wpa=2 crypto="CCMP" ;; *mixed*) wpa=3 crypto="CCMP TKIP" ;; *) wpa=1 crypto="TKIP" ;; esac # explicit override for crypto setting case "$enc" in *tkip+aes|*tkip+ccmp|*aes+tkip|*ccmp+tkip) crypto="CCMP TKIP";; *aes|*ccmp) crypto="CCMP";; *tkip) crypto="TKIP";; esac # enforce CCMP for 11ng and 11na case "$hwmode" in *ng|*na) crypto="CCMP";; esac # use crypto/auth settings for building the hostapd config case "$enc" in *psk*) config_get psk "$vif" key if [ ${#psk} -eq 64 ]; then append "$var" "wpa_psk=$psk" "$N" else append "$var" "wpa_passphrase=$psk" "$N" fi wps_possible=1 ;; *wpa*) # required fields? formats? # hostapd is particular, maybe a default configuration for failures config_get server "$vif" server append "$var" "auth_server_addr=$server" "$N" config_get port "$vif" port port=${port:-1812} append "$var" "auth_server_port=$port" "$N" config_get secret "$vif" key append "$var" "auth_server_shared_secret=$secret" "$N" config_get nasid "$vif" nasid append "$var" "nas_identifier=$nasid" "$N" append "$var" "eapol_key_index_workaround=1" "$N" append "$var" "radius_acct_interim_interval=300" "$N" append "$var" "ieee8021x=1" "$N" append "$var" "auth_algs=1" "$N" append "$var" "wpa_key_mgmt=WPA-EAP" "$N" append "$var" "wpa_group_rekey=300" "$N" append "$var" "wpa_gmk_rekey=640" "$N" ;; *wep*) config_get key "$vif" key key="${key:-1}" case "$key" in [1234]) for idx in 1 2 3 4; do local zidx zidx=$(($idx - 1)) config_get ckey "$vif" "key${idx}" [ -n "$ckey" ] && \ append "$var" "wep_key${zidx}=$(prepare_key_wep "$ckey")" "$N" done append "$var" "wep_default_key=$((key - 1))" "$N" ;; *) append "$var" "wep_key0=$(prepare_key_wep "$key")" "$N" append "$var" "wep_default_key=0" "$N" ;; esac wpa=0 crypto= ;; *) wpa=0 crypto= ;; esac append "$var" "wpa=$wpa" "$N" [ -n "$crypto" ] && append "$var" "wpa_pairwise=$crypto" "$N" [ -n "$wpa_group_rekey" ] && append "$var" "wpa_group_rekey=$wpa_group_rekey" "$N" config_get ssid "$vif" ssid config_get bridge "$vif" bridge config_get ieee80211d "$vif" ieee80211d config_get_bool wps_pbc "$vif" wps_pushbutton 0 [ -n "$wps_possible" -a "$wps_pbc" -gt 0 ] && { append "$var" "eap_server=1" "$N" append "$var" "wps_state=2" "$N" append "$var" "ap_setup_locked=1" "$N" append "$var" "config_methods=push_button" "$N" } append "$var" "ssid=$ssid" "$N" [ -n "$bridge" ] && append "$var" "bridge=$bridge" "$N" [ -n "$ieee80211d" ] && append "$var" "ieee80211d=$ieee80211d" "$N" [ "$wpa" -ge "2" ] && config_get ieee80211w "$vif" ieee80211w case "$ieee80211w" in [012]) append "$var" "ieee80211w=$ieee80211w" "$N" [ "$ieee80211w" -gt "0" ] && { config_get ieee80211w_max_timeout "$vif" ieee80211w_max_timeout config_get ieee80211w_retry_timeout "$vif" ieee80211w_retry_timeout [ -n "$ieee80211w_max_timeout" ] && \ append "$var" "assoc_sa_query_max_timeout=$ieee80211w_max_timeout" "$N" [ -n "$ieee80211w_retry_timeout" ] && \ append "$var" "assoc_sa_query_retry_timeout=$ieee80211w_retry_timeout" "$N" } ;; esac } hostapd_setup_vif() { local vif="$1" local driver="$2" hostapd_cfg= hostapd_set_bss_options hostapd_cfg "$vif" config_get ifname "$vif" ifname config_get device "$vif" device config_get channel "$device" channel config_get hwmode "$device" hwmode case "$hwmode" in *bg|*gdt|*gst|*fh) hwmode=g;; *adt|*ast) hwmode=a;; esac [ "$channel" = auto ] && channel= [ -n "$channel" -a -z "$hwmode" ] && wifi_fixup_hwmode "$device" cat > /var/run/hostapd-$ifname.conf <<EOF ctrl_interface=/var/run/hostapd-$ifname driver=$driver interface=$ifname ${hwmode:+hw_mode=${hwmode#11}} ${channel:+channel=$channel} $hostapd_cfg EOF hostapd -P /var/run/wifi-$ifname.pid -B /var/run/hostapd-$ifname.conf }