#!/bin/sh /etc/rc.common
|
|
# Copyright 2019 Stan Grishin (stangri@melmac.net)
|
|
# shellcheck disable=SC2039
|
|
|
|
export START=80
|
|
export USE_PROCD=1
|
|
|
|
dnsmasqConfig=''
|
|
|
|
PROG=/usr/sbin/https-dns-proxy
|
|
|
|
xappend() { param="$param $1"; }
|
|
|
|
append_bool() {
|
|
local section="$1"
|
|
local option="$2"
|
|
local value="$3"
|
|
local default="$4"
|
|
local _loctmp
|
|
[ -z "$default" ] && default="0"
|
|
config_get_bool _loctmp "$section" "$option" "$default"
|
|
[ "$_loctmp" != "0" ] && xappend "$value"
|
|
}
|
|
|
|
append_parm() {
|
|
local section="$1"
|
|
local option="$2"
|
|
local switch="$3"
|
|
local default="$4"
|
|
local _loctmp
|
|
config_get _loctmp "$section" "$option" "$default"
|
|
[ -z "$_loctmp" ] && return 0
|
|
xappend "$switch $_loctmp"
|
|
}
|
|
|
|
append_match() {
|
|
local section="$1"
|
|
local option="$2"
|
|
local value="$3"
|
|
local match="$4"
|
|
local _loctmp
|
|
config_get_bool _loctmp "$section" "$option"
|
|
[ "$_loctmp" = "$match" ] && xappend "$value"
|
|
}
|
|
|
|
start_instance() {
|
|
local cfg="$1" param listen_addr listen_port i
|
|
|
|
append_parm "$cfg" 'listen_addr' '-a' '127.0.0.1'
|
|
append_parm "$cfg" 'listen_port' '-p' "$p"
|
|
append_parm "$cfg" 'bootstrap_dns' '-b'
|
|
append_parm "$cfg" 'resolver_url' '-r'
|
|
append_parm "$cfg" 'user' '-u' 'nobody'
|
|
append_parm "$cfg" 'group' '-g' 'nogroup'
|
|
append_parm "$cfg" 'edns_subnet' '-e'
|
|
append_parm "$cfg" 'proxy_server' '-t'
|
|
append_parm "$cfg" 'logfile' '-l'
|
|
append_bool "$cfg" 'use_http1' '-x'
|
|
append_match "$cfg" 'verbosity' '-v' '1'
|
|
append_match "$cfg" 'verbosity' '-vv' '2'
|
|
append_match "$cfg" 'verbosity' '-vvv' '3'
|
|
append_match "$cfg" 'verbosity' '-vvvv' '4'
|
|
|
|
procd_open_instance
|
|
# shellcheck disable=SC2086
|
|
procd_set_param command ${PROG} -4 ${param}
|
|
procd_set_param respawn
|
|
procd_close_instance
|
|
|
|
config_get listen_addr "$cfg" 'listen_addr' '127.0.0.1'
|
|
config_get listen_port "$cfg" 'listen_port' "$p"
|
|
if [ "$dnsmasqConfig" = "*" ]; then
|
|
config_load 'dhcp'
|
|
config_foreach dnsmasq_add_doh_server 'dnsmasq' "${listen_addr}#${listen_port}"
|
|
elif [ -n "$dnsmasqConfig" ]; then
|
|
for i in $dnsmasqConfig; do
|
|
dnsmasq_add_doh_server "@dnsmasq[${i}]" "${listen_addr}#${listen_port}"
|
|
done
|
|
fi
|
|
p="$((p+1))"
|
|
}
|
|
|
|
service_triggers() {
|
|
procd_add_reload_trigger 'https-dns-proxy'
|
|
}
|
|
|
|
start_service() {
|
|
local p=5053
|
|
config_load 'https-dns-proxy'
|
|
config_get dnsmasqConfig 'config' 'update_dnsmasq_config' '*'
|
|
dhcp_backup 'create'
|
|
config_load 'https-dns-proxy'
|
|
config_foreach start_instance 'https-dns-proxy'
|
|
if [ -n "$(uci -q changes dhcp)" ]; then
|
|
uci -q commit dhcp
|
|
[ -x /etc/init.d/dnsmasq ] && /etc/init.d/dnsmasq restart >/dev/null 2>&1
|
|
fi
|
|
}
|
|
|
|
stop_service() {
|
|
config_load 'https-dns-proxy'
|
|
config_get dnsmasqConfig 'config' 'update_dnsmasq_config' '*'
|
|
dhcp_backup 'restore'
|
|
if [ -n "$(uci -q changes dhcp)" ]; then
|
|
uci -q commit dhcp
|
|
[ -x /etc/init.d/dnsmasq ] && /etc/init.d/dnsmasq restart >/dev/null 2>&1
|
|
fi
|
|
}
|
|
|
|
service_triggers() {
|
|
procd_add_reload_trigger 'https-dns-proxy'
|
|
}
|
|
|
|
dnsmasq_add_doh_server() {
|
|
local cfg="$1" value="$2"
|
|
uci -q del_list dhcp."$cfg".server="$value"
|
|
uci -q add_list dhcp."$cfg".server="$value"
|
|
}
|
|
|
|
dnsmasq_create_server_backup() {
|
|
local cfg="$1"
|
|
local i
|
|
uci -q get "dhcp.$cfg.doh_backup_server" >/dev/null && return 0
|
|
for i in $(uci -q get "dhcp.$cfg.server"); do
|
|
uci -q add_list dhcp."$cfg".doh_backup_server="$i"
|
|
if [ "$i" = "${i//127.0.0.1}" ] && [ "$i" = "$(echo "$i" | tr -d /)" ]; then
|
|
uci -q del_list dhcp."$cfg".server="$i"
|
|
fi
|
|
done
|
|
}
|
|
|
|
dnsmasq_restore_server_backup() {
|
|
local cfg="$1"
|
|
local i
|
|
if uci -q get "dhcp.$cfg.doh_backup_server" >/dev/null; then
|
|
uci -q del "dhcp.$cfg.server"
|
|
for i in $(uci -q get "dhcp.$cfg.doh_backup_server"); do
|
|
uci -q add_list dhcp."$cfg".server="$i"
|
|
done
|
|
uci -q del "dhcp.$cfg.doh_backup_server"
|
|
fi
|
|
}
|
|
|
|
dhcp_backup() {
|
|
local i
|
|
config_load 'dhcp'
|
|
case "$1" in
|
|
create)
|
|
if [ "$dnsmasqConfig" = "*" ]; then
|
|
config_foreach dnsmasq_create_server_backup 'dnsmasq'
|
|
elif [ -n "$dnsmasqConfig" ]; then
|
|
for i in $dnsmasqConfig; do
|
|
dnsmasq_create_server_backup "@dnsmasq[${i}]"
|
|
done
|
|
fi
|
|
;;
|
|
restore)
|
|
config_foreach dnsmasq_restore_server_backup 'dnsmasq'
|
|
;;
|
|
esac
|
|
}
|