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|
hostapd_set_bss_options() {
local var="$1"
local vif="$2"
local enc wep_rekey wpa_group_rekey wpa_pair_rekey wpa_master_rekey wps_possible
config_get enc "$vif" encryption
config_get wep_rekey "$vif" wep_rekey # 300
config_get wpa_group_rekey "$vif" wpa_group_rekey # 300
config_get wpa_pair_rekey "$vif" wpa_pair_rekey # 300
config_get wpa_master_rekey "$vif" wpa_master_rekey # 640
config_get_bool ap_isolate "$vif" isolate 0
config_get_bool disassoc_low_ack "$vif" disassoc_low_ack 1
config_get max_num_sta "$vif" max_num_sta 0
config_get max_inactivity "$vif" max_inactivity 0
config_get device "$vif" device
config_get hwmode "$device" hwmode
config_get phy "$device" phy
append "$var" "ctrl_interface=/var/run/hostapd-$phy" "$N"
if [ "$ap_isolate" -gt 0 ]; then
append "$var" "ap_isolate=$ap_isolate" "$N"
fi
if [ "$max_num_sta" -gt 0 ]; then
append "$var" "max_num_sta=$max_num_sta" "$N"
fi
if [ "$max_inactivity" -gt 0 ]; then
append "$var" "ap_max_inactivity=$max_inactivity" "$N"
fi
append "$var" "disassoc_low_ack=$disassoc_low_ack" "$N"
# Examples:
# psk-mixed/tkip => WPA1+2 PSK, TKIP
# wpa-psk2/tkip+aes => WPA2 PSK, CCMP+TKIP
# wpa2/tkip+aes => WPA2 RADIUS, CCMP+TKIP
# ...
# TODO: move this parsing function somewhere generic, so that
# later it can be reused by drivers that don't use hostapd
# crypto defaults: WPA2 vs WPA1
case "$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:$crypto" in
*ng:TKIP|*na:TKIP) crypto="CCMP TKIP";;
esac
# use crypto/auth settings for building the hostapd config
case "$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" "$N"
fi
wps_possible=1
[ -n "$wpa_group_rekey" ] && append "$var" "wpa_group_rekey=$wpa_group_rekey" "$N"
[ -n "$wpa_pair_rekey" ] && append "$var" "wpa_ptk_rekey=$wpa_pair_rekey" "$N"
[ -n "$wpa_master_rekey" ] && append "$var" "wpa_gmk_rekey=$wpa_master_rekey" "$N"
;;
*wpa*)
# required fields? formats?
# hostapd is particular, maybe a default configuration for failures
config_get auth_server "$vif" auth_server
[ -z "$auth_server" ] && config_get auth_server "$vif" server
append "$var" "auth_server_addr=$auth_server" "$N"
config_get auth_port "$vif" auth_port
[ -z "$auth_port" ] && config_get auth_port "$vif" port
auth_port=${auth_port:-1812}
append "$var" "auth_server_port=$auth_port" "$N"
config_get auth_secret "$vif" auth_secret
[ -z "$auth_secret" ] && config_get auth_secret "$vif" key
append "$var" "auth_server_shared_secret=$auth_secret" "$N"
config_get_bool auth_cache "$vif" auth_cache 0
[ "$auth_cache" -gt 0 ] || append "$var" "disable_pmksa_caching=1" "$N"
[ "$auth_cache" -gt 0 ] || append "$var" "okc=0" "$N"
config_get acct_server "$vif" acct_server
[ -n "$acct_server" ] && append "$var" "acct_server_addr=$acct_server" "$N"
config_get acct_port "$vif" acct_port
[ -n "$acct_port" ] && acct_port=${acct_port:-1813}
[ -n "$acct_port" ] && append "$var" "acct_server_port=$acct_port" "$N"
config_get acct_secret "$vif" acct_secret
[ -n "$acct_secret" ] && append "$var" "acct_server_shared_secret=$acct_secret" "$N"
config_get nasid "$vif" nasid
append "$var" "nas_identifier=$nasid" "$N"
append "$var" "eapol_key_index_workaround=1" "$N"
append "$var" "ieee8021x=1" "$N"
append "$var" "wpa_key_mgmt=WPA-EAP" "$N"
[ -n "$wpa_group_rekey" ] && append "$var" "wpa_group_rekey=$wpa_group_rekey" "$N"
[ -n "$wpa_pair_rekey" ] && append "$var" "wpa_ptk_rekey=$wpa_pair_rekey" "$N"
[ -n "$wpa_master_rekey" ] && append "$var" "wpa_gmk_rekey=$wpa_master_rekey" "$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"
[ -n "$wep_rekey" ] && append "$var" "wep_rekey_period=$wep_rekey" "$N"
;;
esac
case "$enc" in
*shared*)
auth_algs=2
;;
*mixed*)
auth_algs=3
;;
esac
wpa=0
crypto=
;;
*)
wpa=0
crypto=
;;
esac
append "$var" "auth_algs=${auth_algs:-1}" "$N"
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 iapp_interface "$vif" iapp_interface
config_get_bool wps_pbc "$vif" wps_pushbutton 0
config_get_bool wps_label "$vif" wps_label 0
config_get config_methods "$vif" wps_config
[ "$wps_pbc" -gt 0 ] && append config_methods push_button
[ -n "$wps_possible" -a -n "$config_methods" ] && {
config_get device_type "$vif" wps_device_type "6-0050F204-1"
config_get device_name "$vif" wps_device_name "OpenWrt AP"
config_get manufacturer "$vif" wps_manufacturer "openwrt.org"
append "$var" "eap_server=1" "$N"
append "$var" "wps_state=2" "$N"
append "$var" "ap_setup_locked=1" "$N"
append "$var" "device_type=$device_type" "$N"
append "$var" "device_name=$device_name" "$N"
append "$var" "manufacturer=$manufacturer" "$N"
append "$var" "config_methods=$config_methods" "$N"
}
append "$var" "ssid=$ssid" "$N"
[ -n "$bridge" ] && append "$var" "bridge=$bridge" "$N"
[ -n "$ieee80211d" ] && append "$var" "ieee80211d=$ieee80211d" "$N"
[ -n "$iapp_interface" ] && append "$var" iapp_interface=$(uci_get_state network "$iapp_interface" ifname "$iapp_interface") "$N"
if [ "$wpa" -ge "2" ]
then
# RSN -> allow preauthentication
config_get_bool rsn_preauth "$vif" rsn_preauth "$auth_cache"
if [ -n "$bridge" -a "$rsn_preauth" = 1 ]
then
append "$var" "rsn_preauth=1" "$N"
append "$var" "rsn_preauth_interfaces=$bridge" "$N"
fi
# RSN -> allow management frame protection
config_get ieee80211w "$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
fi
}
hostapd_set_log_options() {
local var="$1"
local cfg="$2"
local log_level log_80211 log_8021x log_radius log_wpa log_driver log_iapp log_mlme
config_get log_level "$cfg" log_level 2
config_get_bool log_80211 "$cfg" log_80211 1
config_get_bool log_8021x "$cfg" log_8021x 1
config_get_bool log_radius "$cfg" log_radius 1
config_get_bool log_wpa "$cfg" log_wpa 1
config_get_bool log_driver "$cfg" log_driver 1
config_get_bool log_iapp "$cfg" log_iapp 1
config_get_bool log_mlme "$cfg" log_mlme 1
local log_mask=$(( \
($log_80211 << 0) | \
($log_8021x << 1) | \
($log_radius << 2) | \
($log_wpa << 3) | \
($log_driver << 4) | \
($log_iapp << 5) | \
($log_mlme << 6) \
))
append "$var" "logger_syslog=$log_mask" "$N"
append "$var" "logger_syslog_level=$log_level" "$N"
append "$var" "logger_stdout=$log_mask" "$N"
append "$var" "logger_stdout_level=$log_level" "$N"
}
hostapd_setup_vif() {
local vif="$1"
local driver="$2"
local ifname device channel hwmode
hostapd_cfg=
config_get ifname "$vif" ifname
config_get device "$vif" device
config_get channel "$device" channel
config_get hwmode "$device" hwmode
hostapd_set_log_options hostapd_cfg "$device"
hostapd_set_bss_options hostapd_cfg "$vif"
case "$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-$ifname.conf <<EOF
driver=$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
}
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