mirror of https://github.com/hak5/openwrt.git
659 lines
18 KiB
Bash
659 lines
18 KiB
Bash
#!/bin/sh
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append DRIVERS "mac80211"
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mac80211_hostapd_setup_base() {
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local phy="$1"
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local ifname="$2"
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cfgfile="/var/run/hostapd-$phy.conf"
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config_get device "$vif" device
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config_get country "$device" country
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config_get hwmode "$device" hwmode
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config_get channel "$device" channel
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config_get beacon_int "$device" beacon_int
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config_get basic_rate_list "$device" basic_rate
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config_get_bool noscan "$device" noscan
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hostapd_set_log_options base_cfg "$device"
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[ -n "$channel" -a -z "$hwmode" ] && wifi_fixup_hwmode "$device"
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[ "$channel" = auto ] && {
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channel=$(iw phy "$phy" info | \
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sed -ne '/MHz/ { /disabled\|passive\|radar/d; s/.*\[//; s/\].*//; p; q }')
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config_set "$device" channel "$channel"
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}
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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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append base_cfg "ieee80211n=1" "$N"
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config_get htmode "$device" htmode
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config_get ht_capab_list "$device" ht_capab
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case "$htmode" in
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HT20|HT40+|HT40-) ht_capab="[$htmode]";;
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*)ht_capab=;;
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esac
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for cap in $ht_capab_list; do
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ht_capab="$ht_capab[$cap]"
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done
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[ -n "$ht_capab" ] && append base_cfg "ht_capab=$ht_capab" "$N"
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}
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}
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local country_ie=0
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[ -n "$country" ] && country_ie=1
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config_get_bool country_ie "$device" country_ie "$country_ie"
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[ "$country_ie" -gt 0 ] && append base_cfg "ieee80211d=1" "$N"
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local br brval brstr
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[ -n "$basic_rate_list" ] && {
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for br in $basic_rate_list; do
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brval="$(($br / 100))"
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[ -n "$brstr" ] && brstr="$brstr "
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brstr="$brstr$brval"
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done
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}
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cat >> "$cfgfile" <<EOF
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ctrl_interface=/var/run/hostapd-$phy
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driver=nl80211
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wmm_ac_bk_cwmin=4
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wmm_ac_bk_cwmax=10
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wmm_ac_bk_aifs=7
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wmm_ac_bk_txop_limit=0
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wmm_ac_bk_acm=0
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wmm_ac_be_aifs=3
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wmm_ac_be_cwmin=4
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wmm_ac_be_cwmax=10
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wmm_ac_be_txop_limit=0
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wmm_ac_be_acm=0
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wmm_ac_vi_aifs=2
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wmm_ac_vi_cwmin=3
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wmm_ac_vi_cwmax=4
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wmm_ac_vi_txop_limit=94
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wmm_ac_vi_acm=0
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wmm_ac_vo_aifs=2
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wmm_ac_vo_cwmin=2
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wmm_ac_vo_cwmax=3
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wmm_ac_vo_txop_limit=47
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wmm_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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${hwmode:+hw_mode=$hwmode}
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${channel:+channel=$channel}
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${beacon_int:+beacon_int=$beacon_int}
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${country:+country_code=$country}
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${noscan:+noscan=$noscan}
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${brstr:+basic_rates=$brstr}
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$base_cfg
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EOF
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}
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mac80211_hostapd_setup_bss() {
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local phy="$1"
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local vif="$2"
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local staidx="$3"
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hostapd_cfg=
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cfgfile="/var/run/hostapd-$phy.conf"
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config_get ifname "$vif" ifname
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if [ -f "$cfgfile" ]; then
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append hostapd_cfg "bss=$ifname" "$N"
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else
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mac80211_hostapd_setup_base "$phy" "$ifname"
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append hostapd_cfg "interface=$ifname" "$N"
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fi
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local net_cfg 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 "$bridge"
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hostapd_set_bss_options hostapd_cfg "$vif"
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config_get_bool wds "$vif" wds 0
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[ "$wds" -gt 0 ] && append hostapd_cfg "wds_sta=1" "$N"
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[ "$staidx" -gt 0 ] && append hostapd_cfg "start_disabled=1" "$N"
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local macaddr hidden maxassoc wmm
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config_get macaddr "$vif" macaddr
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config_get maxassoc "$vif" maxassoc
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config_get dtim_period "$vif" dtim_period
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config_get max_listen_int "$vif" max_listen_int
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config_get_bool hidden "$vif" hidden 0
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config_get_bool wmm "$vif" wmm 1
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cat >> /var/run/hostapd-$phy.conf <<EOF
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$hostapd_cfg
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wmm_enabled=$wmm
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bssid=$macaddr
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ignore_broadcast_ssid=$hidden
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${dtim_period:+dtim_period=$dtim_period}
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${max_listen_int:+max_listen_interval=$max_listen_int}
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${maxassoc:+max_num_sta=$maxassoc}
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EOF
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}
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mac80211_start_vif() {
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local vif="$1"
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local ifname="$2"
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local net_cfg
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net_cfg="$(find_net_config "$vif")"
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[ -z "$net_cfg" ] || start_net "$ifname" "$net_cfg"
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set_wifi_up "$vif" "$ifname"
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}
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lookup_phy() {
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[ -n "$phy" ] && {
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[ -d /sys/class/ieee80211/$phy ] && return
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}
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local devpath
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config_get devpath "$device" path
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[ -n "$devpath" -a -d "/sys/devices/$devpath/ieee80211" ] && {
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phy="$(ls /sys/devices/$devpath/ieee80211 | grep -m 1 phy)"
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[ -n "$phy" ] && return
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}
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local macaddr="$(config_get "$device" macaddr | tr 'A-Z' 'a-z')"
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[ -n "$macaddr" ] && {
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for _phy in $(ls /sys/class/ieee80211 2>/dev/null); do
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[ "$macaddr" = "$(cat /sys/class/ieee80211/${_phy}/macaddress)" ] || continue
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phy="$_phy"
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return
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done
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}
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phy=
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return
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}
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find_mac80211_phy() {
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local device="$1"
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config_get phy "$device" phy
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lookup_phy
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[ -n "$phy" -a -d "/sys/class/ieee80211/$phy" ] || {
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echo "PHY for wifi device $1 not found"
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return 1
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}
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config_set "$device" phy "$phy"
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config_get macaddr "$device" macaddr
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[ -z "$macaddr" ] && {
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config_set "$device" macaddr "$(cat /sys/class/ieee80211/${phy}/macaddress)"
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}
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return 0
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}
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scan_mac80211() {
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local device="$1"
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local adhoc sta ap monitor mesh disabled
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config_get vifs "$device" vifs
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for vif in $vifs; do
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config_get_bool disabled "$vif" disabled 0
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[ $disabled = 0 ] || continue
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config_get mode "$vif" mode
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case "$mode" in
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adhoc|sta|ap|monitor|mesh)
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append $mode "$vif"
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;;
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*) echo "$device($vif): Invalid mode, ignored."; continue;;
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esac
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done
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config_set "$device" vifs "${ap:+$ap }${adhoc:+$adhoc }${sta:+$sta }${monitor:+$monitor }${mesh:+$mesh}"
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}
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list_phy_interfaces() {
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local phy="$1"
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if [ -d "/sys/class/ieee80211/${phy}/device/net" ]; then
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ls "/sys/class/ieee80211/${phy}/device/net" 2>/dev/null;
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else
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ls "/sys/class/ieee80211/${phy}/device" 2>/dev/null | grep net: | sed -e 's,net:,,g'
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fi
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}
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disable_mac80211() (
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local device="$1"
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find_mac80211_phy "$device" || return 0
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config_get phy "$device" phy
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set_wifi_down "$device"
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# kill all running hostapd and wpa_supplicant processes that
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# are running on atheros/mac80211 vifs
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for pid in `pidof hostapd`; do
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grep -E "$phy" /proc/$pid/cmdline >/dev/null && \
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kill $pid
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done
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include /lib/network
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for wdev in $(list_phy_interfaces "$phy"); do
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[ -f "/var/run/$wdev.pid" ] && kill $(cat /var/run/$wdev.pid) >&/dev/null 2>&1
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for pid in `pidof wpa_supplicant meshd-nl80211`; do
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grep "$wdev" /proc/$pid/cmdline >/dev/null && \
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kill $pid
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done
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ifconfig "$wdev" down 2>/dev/null
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unbridge "$dev"
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iw dev "$wdev" del
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done
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return 0
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)
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get_freq() {
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local phy="$1"
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local chan="$2"
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iw "$phy" info | grep -E -m1 "(\* ${chan:-....} MHz${chan:+|\\[$chan\\]})" | grep MHz | awk '{print $2}'
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}
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mac80211_generate_mac() {
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local id="$1"
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local ref="$2"
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local mask="$3"
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[ "$mask" = "00:00:00:00:00:00" ] && mask="ff:ff:ff:ff:ff:ff";
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local oIFS="$IFS"; IFS=":"; set -- $mask; IFS="$oIFS"
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local mask1=$1
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local mask6=$6
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local oIFS="$IFS"; IFS=":"; set -- $ref; IFS="$oIFS"
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[ "$((0x$mask1))" -gt 0 ] && {
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b1="0x$1"
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[ "$id" -gt 0 ] && \
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b1=$(($b1 ^ ((($id - 1) << 2) | 0x2)))
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printf "%02x:%s:%s:%s:%s:%s" $b1 $2 $3 $4 $5 $6
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return
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}
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[ "$((0x$mask6))" -lt 255 ] && {
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printf "%s:%s:%s:%s:%s:%02x" $1 $2 $3 $4 $5 $(( 0x$6 ^ $id ))
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return
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}
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off2=$(( (0x$6 + $id) / 0x100 ))
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printf "%s:%s:%s:%s:%02x:%02x" \
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$1 $2 $3 $4 \
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$(( (0x$5 + $off2) % 0x100 )) \
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$(( (0x$6 + $id) % 0x100 ))
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}
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enable_mac80211() {
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local device="$1"
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config_get channel "$device" channel
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config_get vifs "$device" vifs
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config_get txpower "$device" txpower
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config_get country "$device" country
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config_get distance "$device" distance
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config_get txantenna "$device" txantenna all
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config_get rxantenna "$device" rxantenna all
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config_get antenna_gain "$device" antenna_gain 0
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config_get frag "$device" frag
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config_get rts "$device" rts
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find_mac80211_phy "$device" || return 0
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config_get phy "$device" phy
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local i=0
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local macidx=0
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local apidx=0
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local staidx=0
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fixed=""
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local hostapd_ctrl=""
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[ -n "$country" ] && {
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iw reg get | grep -q "^country $country:" || {
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iw reg set "$country"
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sleep 1
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}
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}
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config_get chanbw "$device" chanbw
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[ -n "$chanbw" -a -d /sys/kernel/debug/ieee80211/$phy/ath9k ] && echo "$chanbw" > /sys/kernel/debug/ieee80211/$phy/ath9k/chanbw
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[ -n "$chanbw" -a -d /sys/kernel/debug/ieee80211/$phy/ath5k ] && echo "$chanbw" > /sys/kernel/debug/ieee80211/$phy/ath5k/bwmode
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[ "$channel" = "auto" -o "$channel" = "0" ] || {
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fixed=1
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}
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iw phy "$phy" set antenna $txantenna $rxantenna >/dev/null 2>&1
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iw phy "$phy" set antenna_gain $antenna_gain
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[ -n "$distance" ] && iw phy "$phy" set distance "$distance"
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[ -n "$frag" ] && iw phy "$phy" set frag "${frag%%.*}"
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[ -n "$rts" ] && iw phy "$phy" set rts "${rts%%.*}"
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export channel fixed
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# convert channel to frequency
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local freq="$(get_freq "$phy" "${fixed:+$channel}")"
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wifi_fixup_hwmode "$device" "g"
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for vif in $vifs; do
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config_get ifname "$vif" ifname
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[ -n "$ifname" ] || {
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[ $i -gt 0 ] && ifname="wlan${phy#phy}-$i" || ifname="wlan${phy#phy}"
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}
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config_set "$vif" ifname "$ifname"
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config_get mode "$vif" mode
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config_get ssid "$vif" ssid
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# It is far easier to delete and create the desired interface
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case "$mode" in
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adhoc)
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iw phy "$phy" interface add "$ifname" type adhoc
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;;
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ap)
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# Hostapd will handle recreating the interface and
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# it's accompanying monitor
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apidx="$(($apidx + 1))"
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[ "$apidx" -gt 1 ] || iw phy "$phy" interface add "$ifname" type managed
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;;
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mesh)
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config_get key "$vif" key ""
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if [ -n "$key" ]; then
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iw phy "$phy" interface add "$ifname" type mp
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else
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config_get mesh_id "$vif" mesh_id
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iw phy "$phy" interface add "$ifname" type mp mesh_id "$mesh_id"
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fi
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;;
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monitor)
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iw phy "$phy" interface add "$ifname" type monitor
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;;
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sta)
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local wdsflag
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staidx="$(($staidx + 1))"
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config_get_bool wds "$vif" wds 0
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[ "$wds" -gt 0 ] && wdsflag="4addr on"
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iw phy "$phy" interface add "$ifname" type managed $wdsflag
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config_get_bool powersave "$vif" powersave 0
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[ "$powersave" -gt 0 ] && powersave="on" || powersave="off"
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iw "$ifname" set power_save "$powersave"
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;;
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esac
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# All interfaces must have unique mac addresses
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# which can either be explicitly set in the device
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# section, or automatically generated
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config_get macaddr "$device" macaddr
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config_get vif_mac "$vif" macaddr
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[ -n "$vif_mac" ] || {
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vif_mac="$(mac80211_generate_mac $macidx $macaddr $(cat /sys/class/ieee80211/${phy}/address_mask))"
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macidx="$(($macidx + 1))"
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}
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[ "$mode" = "ap" ] || ifconfig "$ifname" hw ether "$vif_mac"
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config_set "$vif" macaddr "$vif_mac"
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# !! ap !!
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#
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# ALL ap functionality will be passed to hostapd
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#
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# !! station !!
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#
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# ALL station functionality will be passed to wpa_supplicant
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#
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if [ ! "$mode" = "ap" ]; then
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# We attempt to set the channel for all interfaces, although
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# mac80211 may not support it or the driver might not yet
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# for ap mode this is handled by hostapd
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config_get htmode "$device" htmode
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case "$htmode" in
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HT20|HT40+|HT40-) ;;
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*) htmode= ;;
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esac
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[ -n "$fixed" -a -n "$channel" ] && iw dev "$ifname" set channel "$channel" $htmode
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fi
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i=$(($i + 1))
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done
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local start_hostapd=
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rm -f /var/run/hostapd-$phy.conf
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for vif in $vifs; do
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config_get mode "$vif" mode
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case "$mode" in
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ap)
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mac80211_hostapd_setup_bss "$phy" "$vif" "$staidx"
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start_hostapd=1
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;;
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mesh)
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config_get key "$vif" key ""
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[ -n "$key" ] && authsae_start_interface "$device" "$vif"
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;;
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esac
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done
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[ -n "$start_hostapd" ] && {
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hostapd -P /var/run/wifi-$phy.pid -B /var/run/hostapd-$phy.conf || {
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echo "Failed to start hostapd for $phy"
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return
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}
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sleep 2
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for vif in $vifs; do
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config_get mode "$vif" mode
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config_get ifname "$vif" ifname
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[ "$mode" = "ap" ] || continue
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hostapd_ctrl="${hostapd_ctrl:-/var/run/hostapd-$phy/$ifname}"
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mac80211_start_vif "$vif" "$ifname"
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done
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}
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for vif in $vifs; do
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config_get mode "$vif" mode
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config_get ifname "$vif" ifname
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[ "$mode" = "ap" ] || ifconfig "$ifname" up
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config_get vif_txpower "$vif" txpower
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# use vif_txpower (from wifi-iface) to override txpower (from
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# wifi-device) if the latter doesn't exist
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txpower="${txpower:-$vif_txpower}"
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[ -z "$txpower" ] || iw dev "$ifname" set txpower fixed "${txpower%%.*}00"
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case "$mode" in
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adhoc)
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config_get bssid "$vif" bssid
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config_get ssid "$vif" ssid
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config_get beacon_int "$device" beacon_int
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config_get basic_rate_list "$device" basic_rate
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config_get encryption "$vif" encryption
|
|
config_get key "$vif" key 1
|
|
config_get mcast_rate "$vif" mcast_rate
|
|
config_get htmode "$device" htmode
|
|
case "$htmode" in
|
|
HT20|HT40+|HT40-) ;;
|
|
*) htmode= ;;
|
|
esac
|
|
|
|
|
|
local keyspec=""
|
|
[ "$encryption" == "psk" -o "$encryption" == "psk2" ] && {
|
|
if eval "type wpa_supplicant_setup_vif" 2>/dev/null >/dev/null; then
|
|
wpa_supplicant_setup_vif "$vif" nl80211 "${hostapd_ctrl:+-H $hostapd_ctrl}" $freq $htmode || {
|
|
echo "enable_mac80211($device): Failed to set up wpa_supplicant for interface $ifname" >&2
|
|
# make sure this wifi interface won't accidentally stay open without encryption
|
|
ifconfig "$ifname" down
|
|
}
|
|
mac80211_start_vif "$vif" "$ifname"
|
|
continue
|
|
fi
|
|
}
|
|
|
|
[ "$encryption" == "wep" ] && {
|
|
case "$key" in
|
|
[1234])
|
|
local idx
|
|
for idx in 1 2 3 4; do
|
|
local ikey
|
|
config_get ikey "$vif" "key$idx"
|
|
|
|
[ -n "$ikey" ] && {
|
|
ikey="$(($idx - 1)):$(prepare_key_wep "$ikey")"
|
|
[ $idx -eq $key ] && ikey="d:$ikey"
|
|
append keyspec "$ikey"
|
|
}
|
|
done
|
|
;;
|
|
*) append keyspec "d:0:$(prepare_key_wep "$key")" ;;
|
|
esac
|
|
}
|
|
|
|
local br brval brsub brstr
|
|
[ -n "$basic_rate_list" ] && {
|
|
for br in $basic_rate_list; do
|
|
brval="$(($br / 1000))"
|
|
brsub="$((($br / 100) % 10))"
|
|
[ "$brsub" -gt 0 ] && brval="$brval.$brsub"
|
|
[ -n "$brstr" ] && brstr="$brstr,"
|
|
brstr="$brstr$brval"
|
|
done
|
|
}
|
|
|
|
local mcval=""
|
|
[ -n "$mcast_rate" ] && {
|
|
mcval="$(($mcast_rate / 1000))"
|
|
mcsub="$(( ($mcast_rate / 100) % 10 ))"
|
|
[ "$mcsub" -gt 0 ] && mcval="$mcval.$mcsub"
|
|
}
|
|
|
|
iw dev "$ifname" ibss join "$ssid" $freq $htmode \
|
|
${fixed:+fixed-freq} $bssid \
|
|
${beacon_int:+beacon-interval $beacon_int} \
|
|
${brstr:+basic-rates $brstr} \
|
|
${mcval:+mcast-rate $mcval} \
|
|
${keyspec:+keys $keyspec}
|
|
;;
|
|
mesh)
|
|
mp_list="mesh_retry_timeout mesh_confirm_timeout mesh_holding_timeout mesh_max_peer_links
|
|
mesh_max_retries mesh_ttl mesh_element_ttl mesh_auto_open_plinks mesh_hwmp_max_preq_retries
|
|
mesh_path_refresh_time mesh_min_discovery_timeout mesh_hwmp_active_path_timeout
|
|
mesh_hwmp_preq_min_interval mesh_hwmp_net_diameter_traversal_time mesh_hwmp_rootmode
|
|
mesh_hwmp_rann_interval mesh_gate_announcements mesh_fwding mesh_sync_offset_max_neighor
|
|
mesh_rssi_threshold mesh_hwmp_active_path_to_root_timeout mesh_hwmp_root_interval
|
|
mesh_hwmp_confirmation_interval mesh_power_mode mesh_awake_window"
|
|
for mp in $mp_list
|
|
do
|
|
config_get mp_val "$vif" "$mp" ""
|
|
[ -n "$mp_val" ] && iw dev "$ifname" set mesh_param "$mp" "$mp_val"
|
|
done
|
|
;;
|
|
sta)
|
|
if eval "type wpa_supplicant_setup_vif" 2>/dev/null >/dev/null; then
|
|
wpa_supplicant_setup_vif "$vif" nl80211 "${hostapd_ctrl:+-H $hostapd_ctrl}" || {
|
|
echo "enable_mac80211($device): Failed to set up wpa_supplicant for interface $ifname" >&2
|
|
# make sure this wifi interface won't accidentally stay open without encryption
|
|
ifconfig "$ifname" down
|
|
continue
|
|
}
|
|
fi
|
|
;;
|
|
esac
|
|
[ "$mode" = "ap" ] || mac80211_start_vif "$vif" "$ifname"
|
|
done
|
|
|
|
}
|
|
|
|
|
|
check_mac80211_device() {
|
|
config_get phy "$1" phy
|
|
[ -z "$phy" ] && {
|
|
find_mac80211_phy "$1" >/dev/null || return 0
|
|
config_get phy "$1" phy
|
|
}
|
|
[ "$phy" = "$dev" ] && found=1
|
|
}
|
|
|
|
detect_mac80211() {
|
|
devidx=0
|
|
config_load wireless
|
|
while :; do
|
|
config_get type "radio$devidx" type
|
|
[ -n "$type" ] || break
|
|
devidx=$(($devidx + 1))
|
|
done
|
|
for dev in $(ls /sys/class/ieee80211); do
|
|
found=0
|
|
config_foreach check_mac80211_device wifi-device
|
|
[ "$found" -gt 0 ] && continue
|
|
|
|
mode_11n=""
|
|
mode_band="g"
|
|
channel="11"
|
|
ht_cap=0
|
|
for cap in $(iw phy "$dev" info | grep 'Capabilities:' | cut -d: -f2); do
|
|
ht_cap="$(($ht_cap | $cap))"
|
|
done
|
|
ht_capab="";
|
|
[ "$ht_cap" -gt 0 ] && {
|
|
mode_11n="n"
|
|
append ht_capab " option htmode HT20" "$N"
|
|
|
|
list=" list ht_capab"
|
|
[ "$(($ht_cap & 1))" -eq 1 ] && append ht_capab "$list LDPC" "$N"
|
|
[ "$(($ht_cap & 16))" -eq 16 ] && append ht_capab "$list GF" "$N"
|
|
[ "$(($ht_cap & 32))" -eq 32 ] && append ht_capab "$list SHORT-GI-20" "$N"
|
|
[ "$(($ht_cap & 64))" -eq 64 ] && append ht_capab "$list SHORT-GI-40" "$N"
|
|
[ "$(($ht_cap & 128))" -eq 128 ] && append ht_capab "$list TX-STBC" "$N"
|
|
[ "$(($ht_cap & 768))" -eq 256 ] && append ht_capab "$list RX-STBC1" "$N"
|
|
[ "$(($ht_cap & 768))" -eq 512 ] && append ht_capab "$list RX-STBC12" "$N"
|
|
[ "$(($ht_cap & 768))" -eq 768 ] && append ht_capab "$list RX-STBC123" "$N"
|
|
[ "$(($ht_cap & 4096))" -eq 4096 ] && append ht_capab "$list DSSS_CCK-40" "$N"
|
|
}
|
|
iw phy "$dev" info | grep -q '2412 MHz' || { mode_band="a"; channel="36"; }
|
|
|
|
if [ -x /usr/bin/readlink ]; then
|
|
path="$(readlink -f /sys/class/ieee80211/${dev}/device)"
|
|
path="${path##/sys/devices/}"
|
|
dev_id=" option path '$path'"
|
|
else
|
|
dev_id=" option macaddr $(cat /sys/class/ieee80211/${dev}/macaddress)"
|
|
fi
|
|
|
|
cat <<EOF
|
|
config wifi-device radio$devidx
|
|
option type mac80211
|
|
option channel ${channel}
|
|
option hwmode 11${mode_11n}${mode_band}
|
|
$dev_id
|
|
$ht_capab
|
|
# REMOVE THIS LINE TO ENABLE WIFI:
|
|
option disabled 1
|
|
|
|
config wifi-iface
|
|
option device radio$devidx
|
|
option network lan
|
|
option mode ap
|
|
option ssid OpenWrt
|
|
option encryption none
|
|
|
|
EOF
|
|
devidx=$(($devidx + 1))
|
|
done
|
|
}
|
|
|