mirror of
				git://git.openwrt.org/openwrt/openwrt.git
				synced 2025-11-04 06:54:27 -05:00 
			
		
		
		
	
		
			
				
	
	
		
			115 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			Bash
		
	
	
	
	
	
			
		
		
	
	
			115 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			Bash
		
	
	
	
	
	
hostapd_set_bss_options() {
 | 
						|
	local var="$1"
 | 
						|
	local vif="$2"
 | 
						|
	local enc wpa_group_rekey
 | 
						|
 | 
						|
	config_get enc "$vif" encryption
 | 
						|
	config_get wpa_group_rekey "$vif" wpa_group_rekey
 | 
						|
 | 
						|
	# Examples:
 | 
						|
	# psk-mixed/tkip 	=> WPA1+2 PSK, TKIP
 | 
						|
	# wpa-psk2/tkip+aes	=> WPA2 PSK, CCMP+TKIP
 | 
						|
	# wpa2/tkip+aes 	=> WPA2 RADIUS, CCMP+TKIP
 | 
						|
	# ...
 | 
						|
 | 
						|
	# TODO: move this parsing function somewhere generic, so that
 | 
						|
	# later it can be reused by drivers that don't use hostapd
 | 
						|
 | 
						|
	# crypto defaults: WPA2 vs WPA1
 | 
						|
	case "$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 "$enc" in
 | 
						|
		*tkip+aes|*tkip+ccmp) crypto="CCMP TKIP";;
 | 
						|
		*aes|*ccmp) crypto="CCMP";;
 | 
						|
		*tkip) crypto="TKIP";;
 | 
						|
	esac
 | 
						|
 | 
						|
	# use crypto/auth settings for building the hostapd config
 | 
						|
	case "$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" "$N"
 | 
						|
			fi
 | 
						|
		;;
 | 
						|
		*wpa*)
 | 
						|
			# required fields? formats?
 | 
						|
			# hostapd is particular, maybe a default configuration for failures
 | 
						|
			config_get server "$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"
 | 
						|
		;;
 | 
						|
		*)
 | 
						|
			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
 | 
						|
 | 
						|
	append "$var" "ssid=$ssid" "$N"
 | 
						|
	[ -n "$bridge" ] && append "$var" "bridge=$bridge" "$N"
 | 
						|
	[ -n "$ieee80211d" ] && append "$var" "ieee80211d=$ieee80211d" "$N"
 | 
						|
}
 | 
						|
 | 
						|
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 "$hwmode" in
 | 
						|
		bg) hwmode=g;;
 | 
						|
	esac
 | 
						|
	[ "$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}
 | 
						|
${channel:+channel=$channel}
 | 
						|
$hostapd_cfg
 | 
						|
EOF
 | 
						|
	hostapd -P /var/run/wifi-$ifname.pid -B /var/run/hostapd-$ifname.conf
 | 
						|
}
 | 
						|
 |