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https://github.com/openwrt/openwrt.git
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162 lines
3.9 KiB
Bash
162 lines
3.9 KiB
Bash
hostapd_setup_vif() {
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local vif="$1"
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local driver="$2"
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local hostapd_cfg=
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# Examples:
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# psk-mixed/tkip => WPA1+2 PSK, TKIP
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# wpa-psk2/tkip+aes => WPA2 PSK, CCMP+TKIP
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# wpa2/tkip+aes => WPA2 RADIUS, CCMP+TKIP
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# ...
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# TODO: move this parsing function somewhere generic, so that
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# later it can be reused by drivers that don't use hostapd
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# crypto defaults: WPA2 vs WPA1
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case "$enc" in
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wpa2*|WPA2*|*PSK2*|*psk2*)
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wpa=2
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crypto="CCMP"
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;;
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*mixed*)
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wpa=3
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crypto="CCMP TKIP"
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;;
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*)
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wpa=1
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crypto="TKIP"
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;;
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esac
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# explicit override for crypto setting
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case "$enc" in
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*tkip+aes|*TKIP+AES|*tkip+ccmp|*TKIP+CCMP) crypto="CCMP TKIP";;
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*tkip|*TKIP) crypto="TKIP";;
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*aes|*AES|*ccmp|*CCMP) crypto="CCMP";;
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esac
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# use crypto/auth settings for building the hostapd config
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case "$enc" in
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*psk*|*PSK*)
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config_get psk "$vif" key
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if [ ${#psk} -eq 64 ]; then
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append hostapd_cfg "wpa_psk=$psk" "$N"
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else
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append hostapd_cfg "wpa_passphrase=$psk" "$N"
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fi
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;;
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*wpa*|*WPA*)
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# required fields? formats?
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# hostapd is particular, maybe a default configuration for failures
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config_get server "$vif" server
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append hostapd_cfg "auth_server_addr=$server" "$N"
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config_get port "$vif" port
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port=${port:-1812}
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append hostapd_cfg "auth_server_port=$port" "$N"
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config_get secret "$vif" key
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append hostapd_cfg "auth_server_shared_secret=$secret" "$N"
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config_get nasid "$vif" nasid
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append hostapd_cfg "nas_identifier=$nasid" "$N"
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append hostapd_cfg "eapol_key_index_workaround=1" "$N"
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append hostapd_cfg "radius_acct_interim_interval=300" "$N"
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append hostapd_cfg "ieee8021x=1" "$N"
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append hostapd_cfg "auth_algs=1" "$N"
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append hostapd_cfg "wpa_key_mgmt=WPA-EAP" "$N"
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append hostapd_cfg "wpa_group_rekey=300" "$N"
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append hostapd_cfg "wpa_gmk_rekey=640" "$N"
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;;
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*)
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wpa=0
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crypto=
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;;
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esac
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config_get ifname "$vif" ifname
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config_get bridge "$vif" bridge
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config_get ssid "$vif" ssid
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config_get device "$vif" device
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config_get channel "$device" channel
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config_get hwmode "$device" hwmode
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config_get wpa_group_rekey "$vif" wpa_group_rekey
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config_get ieee80211d "$vif" ieee80211d
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case "$hwmode" in
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bg) hwmode=g;;
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esac
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config_get country "$device" country
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[ "$channel" = auto ] && channel=
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[ -n "$channel" -a -z "$hwmode" ] && wifi_fixup_hwmode "$device"
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[ -n "$hwmode" ] && {
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config_get hwmode_11n "$device" hwmode_11n
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[ -n "$hwmode_11n" ] && {
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hwmode="$hwmode_11n"
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config_get ht_capab "$device" ht_capab
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[ -n "$ht_capab" -a -n "${ht_capab%%\[*}" ] && {
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ht_capab=`echo "[$ht_capab]" | sed -e 's, ,][,g'`
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}
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}
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}
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cat > /var/run/hostapd-$ifname.conf <<EOF
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ctrl_interface=/var/run/hostapd-$ifname
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driver=$driver
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interface=$ifname
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${hwmode:+hw_mode=$hwmode}
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${channel:+channel=$channel}
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${bridge:+bridge=$bridge}
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ssid=$ssid
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wpa=$wpa
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${crypto:+wpa_pairwise=$crypto}
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${country:+country_code=$country}
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${hwmode_11n:+ieee80211n=1}
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${ht_capab:+ht_capab=$ht_capab}
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${wpa_group_rekey:+wpa_group_rekey=$wpa_group_rekey}
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${ieee80211d:+ieee80211d=$ieee80211d}
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$hostapd_cfg
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EOF
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case "$driver" in
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madwifi)
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;;
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*)
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cat >> /var/run/hostapd-$ifname.conf <<EOF
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wme_enabled=1
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wme_ac_bk_cwmin=4
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wme_ac_bk_cwmax=10
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wme_ac_bk_aifs=7
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wme_ac_bk_txop_limit=0
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wme_ac_bk_acm=0
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wme_ac_be_aifs=3
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wme_ac_be_cwmin=4
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wme_ac_be_cwmax=10
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wme_ac_be_txop_limit=0
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wme_ac_be_acm=0
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wme_ac_vi_aifs=2
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wme_ac_vi_cwmin=3
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wme_ac_vi_cwmax=4
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wme_ac_vi_txop_limit=94
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wme_ac_vi_acm=0
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wme_ac_vo_aifs=2
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wme_ac_vo_cwmin=2
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wme_ac_vo_cwmax=3
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wme_ac_vo_txop_limit=47
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wme_ac_vo_acm=0
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tx_queue_data3_aifs=7
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tx_queue_data3_cwmin=15
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tx_queue_data3_cwmax=1023
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tx_queue_data3_burst=0
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tx_queue_data2_aifs=3
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tx_queue_data2_cwmin=15
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tx_queue_data2_cwmax=63
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tx_queue_data2_burst=0
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tx_queue_data1_aifs=1
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tx_queue_data1_cwmin=7
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tx_queue_data1_cwmax=15
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tx_queue_data1_burst=3.0
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tx_queue_data0_aifs=1
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tx_queue_data0_cwmin=3
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tx_queue_data0_cwmax=7
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tx_queue_data0_burst=1.5
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EOF
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;;
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esac
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hostapd -P /var/run/wifi-$ifname.pid -B /var/run/hostapd-$ifname.conf
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}
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