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#!/bin/sh /etc/rc.common
# Copyright (C) 2018 Dengfeng Liu
. /lib/functions/network.sh
START=99
USE_PROCD=1
PROG=/usr/bin/wifidogx
CONFIGFILE=/tmp/wifidogx.conf
EXTRA_COMMANDS="status"
EXTRA_HELP=" status Print the status of the service"
PX5G_BIN="/usr/sbin/px5g"
OPENSSL_BIN="/usr/bin/openssl"
APFREE_CERT="/etc/apfree.crt"
APFREE_KEY="/etc/apfree.key"
generate_keys() {
local days bits country state location commonname
local UNIQUEID GENKEY_CMD
# Prefer px5g for certificate generation (existence evaluated last)
UNIQUEID=$(hexdump -n 4 -e '4/1 "%02x" "\n"' /dev/urandom)
[ -x "$OPENSSL_BIN" ] && GENKEY_CMD="$OPENSSL_BIN req -x509 -sha256 -outform pem -nodes"
[ -x "$PX5G_BIN" ] && GENKEY_CMD="$PX5G_BIN selfsigned -pem"
[ -n "$GENKEY_CMD" ] && {
$GENKEY_CMD \
-days "${days:-720}" -newkey rsa:"${bits:-2048}" -keyout "${APFREE_KEY}.new" -out "${APFREE_CERT}.new" \
-subj /C="${country:-CN}"/ST="${state:-Beijing}"/L="${location:-Unknown}"/O="${commonname:-ApFreeWiFidog}$UNIQUEID"/CN="${commonname:-ApFreeWiFidog}"
sync
mv "${APFREE_KEY}.new" "${APFREE_KEY}"
mv "${APFREE_CERT}.new" "${APFREE_CERT}"
}
}
service_trigger() {
procd_add_reload_trigger "wifidogx"
}
echo_firewall_rule() {
echo " FirewallRule $1"
}
prepare_mqtt_conf() {
local cfg=$1
local serveraddr
local serverport
config_get serveraddr "$cfg" "serveraddr"
config_get serverport "$cfg" "serverport"
[ -z "${serveraddr}" ] || [ -z "${serverport}" ] && return 1
cat <<-EOF >>${CONFIGFILE}
MQTT {
ServerAddr ${serveraddr}
ServerPort ${serverport}
}
EOF
}
prepare_wifidog_conf() {
local cfg=$1
local disabled
local gateway_id
local gateway_interface
local auth_server_hostname
local auth_server_path
local auth_server_path_login
local auth_server_path_portal
local auth_server_path_msg
local auth_server_path_ping
local auth_server_path_auth
local delta_traffic
local check_interval
local client_timeout
local trusted_domains
local js_filter
local trusted_maclist
local untrusted_maclist
local pool_mode
local thread_number
local queue_size
local wired_passed
local trusted_iplist
local trusted_pan_domains
local proxy_port
local no_auth
local apple_cna
local update_domain_interval
local dns_timeout
local default_gateway_id
local external_interface
local auth_server_port
[ -f ${CONFIGFILE} ] && rm -f ${CONFIGFILE}
config_get disabled "${cfg}" "disabled" 1
if [ "${disabled}" = "1" ]; then
echo "wifidogx disabled in /etc/config/wifidogx file, please set disabled to 0 to enable it" >&2
return
fi
default_gateway_id=$(sed -e 's/://g' /sys/class/net/br-lan/address)
network_get_device external_interface wan
config_get gateway_id "${cfg}" "gateway_id" "${default_gateway_id}"
config_get gateway_interface "${cfg}" "gateway_interface" "br-lan"
config_get auth_server_hostname "${cfg}" "auth_server_hostname"
config_get auth_server_port "${cfg}" "auth_server_port" "80"
config_get auth_server_path "${cfg}" "auth_server_path" "/wifidog/"
config_get auth_server_path_login "${cfg}" "auth_server_path_login"
config_get auth_server_path_portal "${cfg}" "auth_server_path_portal"
config_get auth_server_path_msg "${cfg}" "auth_server_path_msg"
config_get auth_server_path_ping "${cfg}" "auth_server_path_ping"
config_get auth_server_path_auth "${cfg}" "auth_server_path_auth"
config_get delta_traffic "${cfg}" "delta_traffic"
config_get check_interval "${cfg}" "check_interval" "60"
config_get js_filter "${cfg}" "js_filter" 1
config_get client_timeout "${cfg}" "client_timeout" "5"
config_get trusted_domains "${cfg}" "trusted_domains"
config_get trusted_maclist "${cfg}" "trusted_maclist"
config_get untrusted_maclist "${cfg}" "untrusted_maclist"
config_get pool_mode "${cfg}" "pool_mode" 0
config_get thread_number "${cfg}" "thread_number" 20
config_get queue_size "${cfg}" "queue_size" 200
config_get wired_passed "${cfg}" "wired_passed" 1
config_get trusted_iplist "${cfg}" "trusted_iplist"
config_get trusted_pan_domains "${cfg}" "trusted_pan_domains"
config_get proxy_port "${cfg}" "proxy_port"
config_get no_auth "${cfg}" "no_auth"
config_get apple_cna "${cfg}" "bypass_apple_cna"
config_get update_domain_interval "${cfg}" "update_domain_interval"
config_get dns_timeout "${cfg}" "dns_timeout"
local set_auth_server_path_login
local set_auth_server_path_portal
local set_auth_server_path_msg
local set_auth_server_path_ping
local set_auth_server_path_auth
local set_delta_traffic
local set_trusted_maclist
local set_untrusted_maclist
local set_trusted_domains
local set_trusted_iplist
local set_trusted_pan_domains
local set_proxy_port
local set_no_auth
local set_firewall_rule_global
local set_firewall_rule_validating_users
local set_firewall_rule_known_users
local set_firewall_rule_auth_is_down
local set_firewall_rule_unknown_users
local set_firewall_rule_locked_users
local set_apple_cna
local set_update_domain_interval
local set_dns_timeout
set_auth_server_path_login=$([ -n "$auth_server_path_login" ] && echo " LoginScriptPathFragment $auth_server_path_login")
set_auth_server_path_portal=$([ -n "$auth_server_path_portal" ] && echo " PortalScriptPathFragment $auth_server_path_portal")
set_auth_server_path_msg=$([ -n "$auth_server_path_msg" ] && echo " MsgScriptPathFragment $auth_server_path_msg")
set_auth_server_path_ping=$([ -n "$auth_server_path_ping" ] && echo " PingScriptPathFragment $auth_server_path_ping")
set_auth_server_path_auth=$([ -n "$auth_server_path_auth" ] && echo " AuthScriptPathFragment $auth_server_path_auth")
set_delta_traffic=$([ -n "$delta_traffic" ] && echo "DeltaTraffic $delta_traffic")
set_trusted_maclist=$([ -n "$trusted_maclist" ] && echo "TrustedMACList $trusted_maclist")
set_untrusted_maclist=$([ -n "$untrusted_maclist" ] && echo "UntrustedMACList $untrusted_maclist")
set_trusted_domains=$([ -n "$trusted_domains" ] && echo "TrustedDomains $trusted_domains")
set_trusted_iplist=$([ -n "$trusted_iplist" ] && echo "TrustedIpList $trusted_iplist")
set_trusted_pan_domains=$([ -n "$trusted_pan_domains" ] && echo "TrustedPanDomains $trusted_pan_domains")
set_proxy_port=$([ -n "$proxy_port" ] && echo "Proxyport $proxy_port")
set_no_auth=$([ -n "$no_auth" ] && echo "NoAuth $no_auth")
set_firewall_rule_global=$(config_list_foreach "$cfg" "firewall_rule_global" echo_firewall_rule)
set_firewall_rule_validating_users=$(config_list_foreach "$cfg" "firewall_rule_validating_users" echo_firewall_rule)
set_firewall_rule_known_users=$(config_list_foreach "$cfg" "firewall_rule_known_users" echo_firewall_rule)
set_firewall_rule_auth_is_down=$(config_list_foreach "$cfg" "firewall_rule_auth_is_down" echo_firewall_rule)
set_firewall_rule_unknown_users=$(config_list_foreach "$cfg" "firewall_rule_unknown_users" echo_firewall_rule)
set_firewall_rule_locked_users=$(config_list_foreach "$cfg" "firewall_rule_locked_users" echo_firewall_rule)
set_apple_cna=$([ -n "$apple_cna" ] && echo "BypassAppleCNA $apple_cna")
set_update_domain_interval=$([ -n "$update_domain_interval" ] && echo "UpdateDomainInterval $update_domain_interval")
set_dns_timeout=$([ -n "$dns_timeout" ] && echo "DNSTimeout $dns_timeout")
cat <<-EOF >$CONFIGFILE
GatewayID $gateway_id
GatewayInterface $gateway_interface
Externalinterface $external_interface
AuthServer {
Hostname $auth_server_hostname
HTTPPort $auth_server_port
Path $auth_server_path
$set_auth_server_path_login
$set_auth_server_path_portal
$set_auth_server_path_msg
$set_auth_server_path_ping
$set_auth_server_path_auth
}
$set_delta_traffic
CheckInterval $check_interval
ClientTimeout $client_timeout
JsFilter $js_filter
WiredPassed $wired_passed
$set_trusted_domains
$set_untrusted_maclist
$set_trusted_maclist
$set_trusted_iplist
$set_trusted_pan_domains
$set_proxy_port
$set_no_auth
$set_apple_cna
$set_update_domain_interval
$set_dns_timeout
FirewallRuleSet global {
$set_firewall_rule_global
}
FirewallRuleSet validating-users {
$set_firewall_rule_validating_users
FirewallRule allow to 0.0.0.0/0
}
FirewallRuleSet known-users {
$set_firewall_rule_known_users
FirewallRule allow to 0.0.0.0/0
}
FirewallRuleSet auth-is-down {
$set_firewall_rule_auth_is_down
}
FirewallRuleSet unknown-users {
$set_firewall_rule_unknown_users
FirewallRule allow udp port 53
FirewallRule allow tcp port 53
FirewallRule allow udp port 67
FirewallRule allow tcp port 67
}
FirewallRuleSet locked-users {
$set_firewall_rule_locked_users
FirewallRule block to 0.0.0.0/0
}
EOF
}
init_config() {
config_load wifidogx
config_foreach prepare_wifidog_conf wifidog
if [ ! -f ${CONFIGFILE} ]; then
echo "no wifidogx.conf, exit..." >&2
exit
fi
if [ ! -s "${APFREE_CERT}" ] || [ ! -s "${APFREE_KEY}" ]; then
generate_keys
fi
if [ ! -s ${APFREE_KEY} ] || [ ! -s ${APFREE_CERT} ]; then
echo "no cert or key, exit..." >&2
exit
fi
config_foreach prepare_mqtt_conf mqtt
sed -i -e '/^$/d' ${CONFIGFILE}
}
start_service() {
init_config
procd_open_instance
# -f: run in foreground
procd_set_param command $PROG -c $CONFIGFILE -f -d 0
procd_set_param respawn # respawn automatically if something died
procd_set_param file $CONFIGFILE
procd_close_instance
}
status_service() {
/usr/bin/wdctlx status
}