197 lines
4.6 KiB
Bash
197 lines
4.6 KiB
Bash
wpa_supplicant_setup_vif() {
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local vif="$1"
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local driver="$2"
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local key="$key"
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local options="$3"
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local freq=""
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local ht="$5"
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local ap_scan=""
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local scan_ssid="1"
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[ -n "$4" ] && freq="frequency=$4"
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# make sure we have the encryption type and the psk
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[ -n "$enc" ] || {
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config_get enc "$vif" encryption
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}
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[ -n "$key" ] || {
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config_get key "$vif" key
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}
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local net_cfg bridge
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config_get bridge "$vif" bridge
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[ -z "$bridge" ] && {
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net_cfg="$(find_net_config "$vif")"
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[ -z "$net_cfg" ] || bridge="$(bridge_interface "$net_cfg")"
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config_set "$vif" bridge "$bridge"
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}
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local mode ifname wds modestr=""
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config_get mode "$vif" mode
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config_get ifname "$vif" ifname
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config_get_bool wds "$vif" wds 0
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[ -z "$bridge" ] || [ "$mode" = ap ] || [ "$mode" = sta -a $wds -eq 1 ] || {
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echo "wpa_supplicant_setup_vif($ifname): Refusing to bridge $mode mode interface"
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return 1
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}
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[ "$mode" = "adhoc" ] && {
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modestr="mode=1"
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scan_ssid="0"
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ap_scan="ap_scan=2"
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}
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key_mgmt='NONE'
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case "$enc" in
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*none*) ;;
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*wep*)
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config_get key "$vif" key
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key="${key:-1}"
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case "$key" in
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[1234])
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for idx in 1 2 3 4; do
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local zidx
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zidx=$(($idx - 1))
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config_get ckey "$vif" "key${idx}"
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[ -n "$ckey" ] && \
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append "wep_key${zidx}" "wep_key${zidx}=$(prepare_key_wep "$ckey")"
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done
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wep_tx_keyidx="wep_tx_keyidx=$((key - 1))"
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;;
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*)
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wep_key0="wep_key0=$(prepare_key_wep "$key")"
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wep_tx_keyidx="wep_tx_keyidx=0"
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;;
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esac
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;;
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*psk*)
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key_mgmt='WPA-PSK'
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# if you want to use PSK with a non-nl80211 driver you
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# have to use WPA-NONE and wext driver for wpa_s
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[ "$mode" = "adhoc" -a "$driver" != "nl80211" ] && {
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key_mgmt='WPA-NONE'
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driver='wext'
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}
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if [ ${#key} -eq 64 ]; then
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passphrase="psk=${key}"
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else
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passphrase="psk=\"${key}\""
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fi
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case "$enc" in
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*psk2*)
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proto='proto=RSN'
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config_get ieee80211w "$vif" ieee80211w
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;;
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*psk*)
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proto='proto=WPA'
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;;
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esac
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;;
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*wpa*|*8021x*)
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proto='proto=WPA2'
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key_mgmt='WPA-EAP'
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config_get ieee80211w "$vif" ieee80211w
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config_get ca_cert "$vif" ca_cert
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config_get eap_type "$vif" eap_type
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ca_cert=${ca_cert:+"ca_cert=\"$ca_cert\""}
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case "$eap_type" in
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tls)
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pairwise='pairwise=CCMP'
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group='group=CCMP'
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config_get identity "$vif" identity
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config_get client_cert "$vif" client_cert
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config_get priv_key "$vif" priv_key
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config_get priv_key_pwd "$vif" priv_key_pwd
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identity="identity=\"$identity\""
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client_cert="client_cert=\"$client_cert\""
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priv_key="private_key=\"$priv_key\""
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priv_key_pwd="private_key_passwd=\"$priv_key_pwd\""
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;;
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peap|ttls)
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config_get auth "$vif" auth
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config_get identity "$vif" identity
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config_get password "$vif" password
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phase2="phase2=\"auth=${auth:-MSCHAPV2}\""
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identity="identity=\"$identity\""
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password="password=\"$password\""
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;;
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esac
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eap_type="eap=$(echo $eap_type | tr 'a-z' 'A-Z')"
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;;
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esac
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case "$ieee80211w" in
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[012])
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ieee80211w="ieee80211w=$ieee80211w"
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;;
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esac
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local fixed_freq bssid1 beacon_interval brates mrate
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config_get ifname "$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 bssid "$vif" bssid
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bssid1=${bssid:+"bssid=$bssid"}
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beacon_interval=${beacon_int:+"beacon_interval=$beacon_int"}
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local br brval brsub brstr
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[ -n "$basic_rate_list" ] && {
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for br in $basic_rate_list; do
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brval="$(($br / 1000))"
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brsub="$((($br / 100) % 10))"
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[ "$brsub" -gt 0 ] && brval="$brval.$brsub"
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[ -n "$brstr" ] && brstr="$brstr,"
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brstr="$brstr$brval"
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done
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brates=${basic_rate_list:+"rates=$brstr"}
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}
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local mcval=""
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[ -n "$mcast_rate" ] && {
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mcval="$(($mcast_rate / 1000))"
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mcsub="$(( ($mcast_rate / 100) % 10 ))"
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[ "$mcsub" -gt 0 ] && mcval="$mcval.$mcsub"
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mrate=${mcast_rate:+"mcast_rate=$mcval"}
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}
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local ht_str
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[ -n "$ht" ] && ht_str="htmode=$ht"
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rm -rf /var/run/wpa_supplicant-$ifname
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cat > /var/run/wpa_supplicant-$ifname.conf <<EOF
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ctrl_interface=/var/run/wpa_supplicant-$ifname
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$ap_scan
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network={
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$modestr
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scan_ssid=$scan_ssid
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ssid="$ssid"
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$bssid1
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key_mgmt=$key_mgmt
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$proto
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$freq
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${fixed:+"fixed_freq=1"}
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$beacon_interval
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$brates
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$mrate
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$ht_str
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$ieee80211w
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$passphrase
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$pairwise
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$group
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$eap_type
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$ca_cert
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$client_cert
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$priv_key
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$priv_key_pwd
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$phase2
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$identity
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$password
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$wep_key0
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$wep_key1
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$wep_key2
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$wep_key3
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$wep_tx_keyidx
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}
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EOF
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[ -z "$proto" -a "$key_mgmt" != "NONE" ] || \
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wpa_supplicant ${bridge:+ -b $bridge} -B -P "/var/run/wifi-${ifname}.pid" -D ${driver:-wext} -i "$ifname" -c /var/run/wpa_supplicant-$ifname.conf $options
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}
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