netifd: add wireless configuration support and port mac80211 to the new framework

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@38988 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 577 insertions, 0 deletions

diff --git a/package/network/services/hostapd/files/netifd.sh b/package/network/services/hostapd/files/netifd.sh
new file mode 100644
index 0000000000..020c41fd03
--- /dev/null
+++ b/package/network/services/hostapd/files/netifd.sh
@@ -0,0 +1,577 @@
+hostapd_add_rate() {
+	local var="$1"
+	local val="$(($2 / 1000))"
+	local sub="$((($2 / 100) % 10))"
+	append $var "$val" ","
+	[ $sub -gt 0 ] && append $var "."
+}
+
+hostapd_append_wep_key() {
+	local var="$1"
+
+	wep_keyidx=0
+	set_default key 1
+	case "$key" in
+		[1234])
+			for idx in 1 2 3 4; do
+				local zidx
+				zidx=$(($idx - 1))
+				json_get_var ckey "key${idx}"
+				[ -n "$ckey" ] && \
+					append network_data "wep_key${zidx}=$(prepare_key_wep "$ckey")" "$N$T"
+			done
+			wep_keyidx=$((key - 1))
+		;;
+		*)
+			append network_data "wep_key0=$(prepare_key_wep "$key")" "$N$T"
+		;;
+	esac
+}
+
+hostapd_add_log_config() {
+	config_add_boolean \
+		log_80211 \
+		log_8021x \
+		log_radius \
+		log_wpa \
+		log_driver \
+		log_iapp \
+		log_mlme
+
+	config_add_int log_level
+}
+
+hostapd_common_add_device_config() {
+	config_add_array basic_rate
+
+	config_add_string country
+	config_add_boolean country_ie
+
+	hostapd_add_log_config
+}
+
+hostapd_prepare_device_config() {
+	local config="$1"
+	local driver="$2"
+
+	local base="${config%%.conf}"
+	local base_cfg=
+
+	json_get_vars country country_ie beacon_int basic_rate
+
+	hostapd_set_log_options base_cfg
+
+	set_default country_ie 1
+	[ -n "$country" ] && {
+		append base_cfg "country_code=$country" "$N"
+		[ "$country_ie" -gt 0 ] && append base_cfg "ieee80211d=1" "$N"
+	}
+	[ -n "$hwmode" ] && append base_cfg "hw_mode=$hwmode" "$N"
+
+	local brlist= br
+	for br in $basic_rate_list; do
+		hostapd_add_rate brlist "$br"
+	done
+	[ -n "$brlist" ] && append base_cfg "basic_rates=$brlist" "$N"
+	[ -n "$beacon_int" ] && append base_cfg "beacon_int=$beacon_int" "$N"
+
+	cat > "$config" <<EOF
+driver=$driver
+$base_cfg
+EOF
+}
+
+hostapd_common_add_bss_config() {
+	config_add_string bssid ssid
+	config_add_boolean wds
+
+	config_add_int maxassoc max_inactivity
+	config_add_boolean disassoc_low_ack ap_isolate short_preamble
+
+	config_add_int \
+		wep_rekey eap_reauth_period \
+		wpa_group_rekey wpa_pair_rekey wpa_master_rekey
+
+	config_add_boolean rsn_preauth auth_cache
+	config_add_int ieee80211w
+
+	config_add_string auth_server server
+	config_add_string auth_secret
+	config_add_int auth_port port
+
+	config_add_string acct_server
+	config_add_string acct_secret
+	config_add_int acct_port
+
+	config_add_string dae_client
+	config_add_string dae_secret
+	config_add_int dae_port
+
+	config_add_string nasid
+	config_add_string iapp_interface
+	config_add_string eap_type ca_cert client_cert identity auth priv_key priv_key_pwd
+
+	config_add_string key1 key2 key3 key4 password
+
+	config_add_boolean wps_pushbutton wps_label ext_registrar
+	config_add_string wps_device_type wps_device_name wps_manufacturer wps_pin
+
+	config_add_int ieee80211w_max_timeout ieee80211w_retry_timeout
+
+	config_add_string macfilter macfile
+	config_add_array maclist
+
+	config_add_int mcast_rate
+	config_add_array basic_rate
+}
+
+hostapd_set_bss_options() {
+	local var="$1"
+	local phy="$2"
+	local vif="$3"
+
+	wireless_vif_parse_encryption
+
+	local bss_conf
+	local wep_rekey wpa_group_rekey wpa_pair_rekey wpa_master_rekey
+
+	json_get_vars \
+		wep_rekey wpa_group_rekey wpa_pair_rekey wpa_master_rekey \
+		maxassoc max_inactivity disassoc_low_ack ap_isolate auth_cache \
+		wps_pushbutton wps_label ext_registrar \
+		wps_device_type wps_device_name wps_manufacturer wps_pin \
+		macfilter ssid wmm hidden
+
+	set_default ap_isolate 0
+	set_default maxassoc 0
+	set_default max_inactivity 0
+	set_default short_preamble 1
+	set_default disassoc_low_ack 1
+	set_default hidden 0
+	set_default wmm 1
+
+	append bss_conf "ctrl_interface=/var/run/hostapd"
+	if [ "$ap_isolate" -gt 0 ]; then
+		append bss_conf "ap_isolate=$ap_isolate" "$N"
+	fi
+	if [ "$maxassoc" -gt 0 ]; then
+		append bss_conf "max_num_sta=$maxassoc" "$N"
+	fi
+	if [ "$max_inactivity" -gt 0 ]; then
+		append bss_conf "ap_max_inactivity=$max_inactivity" "$N"
+	fi
+
+	append bss_conf "disassoc_low_ack=$disassoc_low_ack" "$N"
+	append bss_conf "preamble=$short_preamble" "$N"
+	append bss_conf "wmm_enabled=$wmm" "$N"
+	append bss_conf "ignore_broadcast_ssid=$hidden" "$N"
+
+	[ "$wpa" -gt 0 ] && {
+		[ -n "$wpa_group_rekey"  ] && append bss_conf "wpa_group_rekey=$wpa_group_rekey" "$N"
+		[ -n "$wpa_pair_rekey"   ] && append bss_conf "wpa_ptk_rekey=$wpa_pair_rekey"    "$N"
+		[ -n "$wpa_master_rekey" ] && append bss_conf "wpa_gmk_rekey=$wpa_master_rekey"  "$N"
+	}
+
+	case "$auth_type" in
+		none)
+			wps_possible=1
+			# Here we make the assumption that if we're in open mode
+			# with WPS enabled, we got to be in unconfigured state.
+			wps_not_configured=1
+		;;
+		psk)
+			json_get_vars key
+			if [ ${#key} -lt 8 ]; then
+				wireless_setup_vif_failed INVALID_WPA_PSK
+				return 1
+			elif [ ${#key} -eq 64 ]; then
+				append bss_conf "wpa_psk=$key" "$N"
+			else
+				append bss_conf "wpa_passphrase=$key" "$N"
+			fi
+			wps_possible=1
+		;;
+		eap)
+			json_get_vars \
+				auth_server auth_secret auth_port \
+				acct_server acct_secret acct_port \
+				dae_client dae_secret dae_port \
+				nasid rsn_preauth iapp_interface \
+				eap_reauth_period
+
+			# legacy compatibility
+			[ -n "$auth_server" ] || json_get_var auth_server server
+			[ -n "$auth_port" ] || json_get_var auth_port port
+			[ -n "$auth_secret" ] || json_get_var auth_secret key
+
+			set_default auth_port 1812
+			set_default acct_port 1813
+			set_default dae_port 3799
+
+			append bss_conf "auth_server_addr=$auth_server" "$N"
+			append bss_conf "auth_server_port=$auth_port" "$N"
+			append bss_conf "auth_server_shared_secret=$auth_secret" "$N"
+
+			[ -n "$acct_server" ] && {
+				append bss_conf "acct_server_addr=$acct_server" "$N"
+				append bss_conf "acct_server_port=$acct_port" "$N"
+				[ -n "$acct_secret" ] && \
+					append bss_conf "acct_server_shared_secret=$acct_secret" "$N"
+			}
+
+			[ -n "$eap_reauth_period" ] && append bss_conf "eap_reauth_period=$eap_reauth_period" "$N"
+
+			[ -n "$dae_client" -a -n "$dae_secret" ] && {
+				append bss_conf "radius_das_port=$dae_port" "$N"
+				append bss_conf "radius_das_client=$dae_client $dae_secret" "$N"
+			}
+
+			append bss_conf "nas_identifier=$nasid" "$N"
+			append bss_conf "eapol_key_index_workaround=1" "$N"
+			append bss_conf "ieee8021x=1" "$N"
+			append bss_conf "wpa_key_mgmt=WPA-EAP" "$N"
+		;;
+		wep)
+			local wep_keyidx=0
+			hostapd_append_wep_key network_data
+			append bss_conf "wep_default_key=$wep_key" "$N"
+			[ -n "$wep_rekey" ] && append bss_conf "wep_rekey_period=$wep_rekey" "$N"
+		;;
+	esac
+
+	local auth_algs=$((($auth_mode_shared << 1) | $auth_mode_open))
+	append bss_conf "auth_algs=${auth_algs:-1}" "$N"
+	append bss_conf "wpa=$wpa" "$N"
+	[ -n "$wpa_pairwise" ] && append bss_conf "wpa_pairwise=$wpa_pairwise" "$N"
+
+	set_default wps_pushbutton 0
+	set_default wps_label 0
+
+	config_methods=
+	[ "$wps_pushbutton" -gt 0 ] && append config_methods push_button
+	[ "$wps_label" -gt 0 ] && append config_methods label
+
+	[ -n "$wps_possible" -a -n "$config_methods" ] && {
+		set_default ext_registrar 0
+		set_default wps_device_type "6-0050F204-1"
+		set_default wps_device_name "OpenWrt AP"
+		set_default wps_manufacturer "openwrt.org"
+		set_default wps_pin "12345670"
+
+		wps_state=2
+		[ -n "$wps_configured" ] && wps_state=1
+
+		[ "$ext_registrar" -gt 0 -a -n "$bridge" ] && append bss_conf "upnp_iface=$bridge" "$N"
+
+		append bss_conf "eap_server=1" "$N"
+		append bss_conf "ap_pin=$wps_pin" "$N"
+		append bss_conf "wps_state=$wps_state" "$N"
+		append bss_conf "ap_setup_locked=0" "$N"
+		append bss_conf "device_type=$wps_device_type" "$N"
+		append bss_conf "device_name=$wps_device_name" "$N"
+		append bss_conf "manufacturer=$wps_manufacturer" "$N"
+		append bss_conf "config_methods=$config_methods" "$N"
+	}
+
+	append bss_conf "ssid=$ssid" "$N"
+	[ -n "$network_bridge" ] && append bss_conf "bridge=$network_bridge" "$N"
+	[ -n "$iapp_interface" ] &&  {
+		iapp_interface="$(uci_get_state network "$iapp_interface" ifname "$iapp_interface")"
+		[ -n "$iapp_interface" ] && append bss_conf "iapp_interface=$iapp_interface" "$N"
+	}
+
+	if [ "$wpa" -ge "2" ]; then
+		if [ -n "$bridge" -a "$rsn_preauth" = 1 ]; then
+			set_default auth_cache 1
+			append bss_conf "rsn_preauth=1" "$N"
+			append bss_conf "rsn_preauth_interfaces=$bridge" "$N"
+		else
+			set_default auth_cache 0
+		fi
+
+		append bss_conf "okc=$auth_cache" "$N"
+		[ "$auth_cache" = 0 ] && append bss_conf "disable_pmksa_caching=1" "$N"
+
+		# RSN -> allow management frame protection
+		json_get_var ieee80211w
+		case "$ieee80211w" in
+			[012])
+				json_get_vars ieee80211w_max_timeout ieee80211w_retry_timeout
+				append bss_conf "ieee80211w=$ieee80211w" "$N"
+				[ "$ieee80211w" -gt "0" ] && {
+					[ -n "$ieee80211w_max_timeout" ] && \
+						append bss_conf "assoc_sa_query_max_timeout=$ieee80211w_max_timeout" "$N"
+					[ -n "$ieee80211w_retry_timeout" ] && \
+						append bss_conf "assoc_sa_query_retry_timeout=$ieee80211w_retry_timeout" "$N"
+				}
+			;;
+		esac
+	fi
+
+	_macfile="/var/run/hostapd-$phy-$ifname.maclist"
+	case "$macfilter" in
+		allow)
+			append bss_conf "macaddr_acl=1" "$N"
+			append bss_conf "accept_mac_file=$_macfile" "$N"
+		;;
+		deny)
+			append bss_conf "macaddr_acl=0" "$N"
+			append bss_conf "deny_mac_file=$_macfile" "$N"
+		;;
+		*)
+			_macfile=""
+		;;
+	esac
+
+	[ -n "$_macfile" ] && {
+		json_get_vars macfile maclist
+
+		rm -f "$_macfile"
+		(
+			for mac in $maclist; do
+				echo "$mac"
+			done
+			[ -n "$macfile" -a -f "$macfile" ] && cat "$macfile"
+		) > "$_macfile"
+	}
+
+	append "$var" "$bss_conf" "$N"
+	return 0
+}
+
+hostapd_set_log_options() {
+	local var="$1"
+
+	local log_level log_80211 log_8021x log_radius log_wpa log_driver log_iapp log_mlme
+	json_get_vars log_level log_80211 log_8021x log_radius log_wpa log_driver log_iapp log_mlme
+
+	set_default log_level 2
+	set_default log_80211  1
+	set_default log_8021x  1
+	set_default log_radius 1
+	set_default log_wpa    1
+	set_default log_driver 1
+	set_default log_iapp   1
+	set_default log_mlme   1
+
+	local log_mask=$((       \
+		($log_80211  << 0) | \
+		($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"
+
+	return 0
+}
+
+_wpa_supplicant_common() {
+	local ifname="$1"
+
+	_rpath="/var/run/wpa_supplicant"
+	_config="${_rpath}-$ifname.conf"
+}
+
+wpa_supplicant_teardown_interface() {
+	_wpa_supplicant_common "$1"
+	rm -rf "$_rpath" "$_config"
+}
+
+wpa_supplicant_prepare_interface() {
+	local ifname="$1"
+	_w_driver="$2"
+
+	_wpa_supplicant_common "$1"
+
+	json_get_vars mode wds
+
+	[ -n "$network_bridge" ] && {
+		fail=
+		case "$mode" in
+			adhoc)
+				fail=1
+			;;
+			sta)
+				[ "$wds" = 1 ] || fail=1
+			;;
+		esac
+
+		[ -n "$fail" ] && {
+			wireless_setup_vif_failed BRIDGE_NOT_ALLOWED
+			return 1
+		}
+	}
+
+	local ap_scan=
+
+	_w_mode="$mode"
+	_w_modestr=
+
+	[[ "$mode" = adhoc ]] && {
+		ap_scan="ap_scan=2"
+
+		_w_modestr="mode=1"
+	}
+
+	wpa_supplicant_teardown_interface "$ifname"
+	cat > "$_config" <<EOF
+$ap_scan
+EOF
+	return 0
+}
+
+wpa_supplicant_add_network() {
+	local ifname="$1"
+
+	_wpa_supplicant_common "$1"
+	wireless_vif_parse_encryption
+
+	json_get_vars \
+		ssid bssid key \
+		basic_rate mcast_rate \
+		ieee80211w
+
+	local key_mgmt='NONE'
+	local enc_str=
+	local network_data=
+	local T="	"
+
+	local wpa_key_mgmt="WPA-PSK"
+	local scan_ssid="1"
+
+	[[ "$_w_mode" = "adhoc" ]] && {
+		append network_data "mode=1" "$N$T"
+		[ -n "$fixed_frequency" ] || {
+			append network_data "fixed_freq=1" "$N$T"
+			append network_data "frequency=$fixed_frequency" "$N$T"
+		}
+
+		scan_ssid=0
+
+		[ "$_w_driver" = "nl80211" ] ||	wpa_key_mgmt="WPA-NONE"
+	}
+
+	[[ "$_w_mode" = adhoc ]] && append network_data "$_w_modestr" "$N$T"
+
+	case "$auth_type" in
+		none) ;;
+		wep)
+			local wep_keyidx=0
+			hostapd_append_wep_key network_data
+			append network_data "wep_tx_keyidx=$wep_keyidx" "$N$T"
+		;;
+		psk)
+			local passphrase
+
+			key_mgmt="$wpa_key_mgmt"
+			if [ ${#key} -eq 64 ]; then
+				passphrase="psk=${key}"
+			else
+				passphrase="psk=\"${key}\""
+			fi
+			append network_data "$passphrase" "$N$T"
+		;;
+		eap)
+			key_mgmt='WPA-EAP'
+
+			json_get_vars eap_type identity ca_cert
+			[ -n "$ca_cert" ] && append network_data "ca_cert=\"$ca_cert\"" "$N$T"
+			[ -n "$identity" ] && append network_data "identity=\"$identity\"" "$N$T"
+			case "$eap_type" in
+				tls)
+					json_get_vars client_cert priv_key priv_key_pwd
+					append network_data "client_cert=\"$client_cert\"" "$N$T"
+					append network_data "private_key=\"$priv_key\"" "$N$T"
+					append network_data "private_key_passwd=\"$priv_key_pwd\"" "$N$T"
+				;;
+				peap|ttls)
+					json_get_vars auth password
+					set_default auth MSCHAPV2
+					append network_data "phase2=\"$auth\"" "$N$T"
+					append network_data "password=\"$password\"" "$N$T"
+				;;
+			esac
+			append network_data "eap=$(echo $eap_type | tr 'a-z' 'A-Z')" "$N$T"
+		;;
+	esac
+
+	case "$wpa" in
+		1)
+			append network_data "proto=WPA" "$N$T"
+		;;
+		2)
+			append network_data "proto=RSN" "$N$T"
+		;;
+	esac
+
+	case "$ieee80211w" in
+		[012])
+			[ "$wpa" -ge 2 ] && append network_data "ieee80211w=$ieee80211w" "$N$T"
+		;;
+	esac
+
+	local beacon_int brates mrate
+	[ -n "$bssid" ] && append network_data "bssid=$bssid" "$N$T"
+	[ -n "$beacon_int" ] && append network_data "beacon_int=$beacon_int" "$N$T"
+
+
+	[ -n "$basic_rate" ] && {
+		local br rate_list=
+		for br in $basic_rate; do
+			hostapd_add_rate rate_list "$br"
+		done
+		[ -n "$rate_list" ] && append network_data "rates=$rate_list" "$N$T"
+	}
+
+	[ -n "$mcast_rate" ] && {
+		local mc_rate=
+		hostapd_add_rate mc_rate "$mcast_rate"
+		[ -n "$mcast_rate" ] && append network_data "mcast_rate=$mcast_rate" "$N$T"
+	}
+
+	local ht_str
+	[ -n "$ht" ] && append network_data "htmode=$ht" "$N$T"
+
+	cat >> "$_config" <<EOF
+network={
+	scan_ssid=$scan_ssid
+	ssid="$ssid"
+	key_mgmt=$key_mgmt
+	$network_data
+}
+EOF
+	return 0
+}
+
+wpa_supplicant_run() {
+	local ifname="$1"; shift
+
+	_wpa_supplicant_common "$ifname"
+
+	/usr/sbin/wpa_supplicant -B \
+		${network_bridge:+-b $network_bridge} \
+		-P "/var/run/wpa_supplicant-${ifname}.pid" \
+		-D ${_w_driver:-wext} \
+		-i "$ifname" \
+		-c "$_config" \
+		-C "$_rpath" \
+		"$@"
+
+	ret="$?"
+	wireless_add_process "$(cat "/var/run/wpa_supplicant-${ifname}.pid")" /usr/sbin/wpa_supplicant 1
+
+	[ "$ret" != 0 ] && wireless_setup_vif_failed WPA_SUPPLICANT_FAILED
+
+	return $ret
+}
+
+hostapd_common_cleanup() {
+	killall hostapd wpa_supplicant
+}