mirror of
				https://github.com/Ysurac/openmptcprouter-feeds.git
				synced 2025-03-09 15:40:03 +00:00 
			
		
		
		
	
		
			
				
	
	
		
			220 lines
		
	
	
	
		
			6 KiB
		
	
	
	
		
			Bash
		
	
	
		
			Executable file
		
	
	
	
	
			
		
		
	
	
			220 lines
		
	
	
	
		
			6 KiB
		
	
	
	
		
			Bash
		
	
	
		
			Executable file
		
	
	
	
	
#!/bin/sh /etc/rc.common
 | 
						|
# Copyright 2019-2020 Stan Grishin (stangri@melmac.net)
 | 
						|
# shellcheck disable=SC2039
 | 
						|
PKG_VERSION='dev-test'
 | 
						|
 | 
						|
# shellcheck disable=SC2034
 | 
						|
START=80
 | 
						|
# shellcheck disable=SC2034
 | 
						|
USE_PROCD=1
 | 
						|
 | 
						|
if type extra_command 1>/dev/null 2>&1; then
 | 
						|
	extra_command 'version' 'Show version information'
 | 
						|
else
 | 
						|
# shellcheck disable=SC2034
 | 
						|
	EXTRA_COMMANDS='version'
 | 
						|
fi
 | 
						|
 | 
						|
readonly PROG=/usr/sbin/https-dns-proxy
 | 
						|
dnsmasqConfig=''
 | 
						|
forceDNS='1'
 | 
						|
 | 
						|
version() { echo "$PKG_VERSION"; }
 | 
						|
 | 
						|
xappend() { param="$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"
 | 
						|
}
 | 
						|
 | 
						|
start_instance() {
 | 
						|
	local cfg="$1" param listen_addr listen_port i
 | 
						|
	append_parm "$cfg" 'resolver_url' '-r'
 | 
						|
	append_parm "$cfg" 'polling_interval' '-i'
 | 
						|
	append_parm "$cfg" 'listen_addr' '-a' '127.0.0.1'
 | 
						|
	append_parm "$cfg" 'listen_port' '-p' "$p"
 | 
						|
	append_parm "$cfg" 'dscp_codepoint' '-c'
 | 
						|
	append_parm "$cfg" 'bootstrap_dns' '-b'
 | 
						|
	append_parm "$cfg" 'user' '-u' 'nobody'
 | 
						|
	append_parm "$cfg" 'group' '-g' 'nogroup'
 | 
						|
	append_parm "$cfg" 'proxy_server' '-t'
 | 
						|
	append_parm "$cfg" 'logfile' '-l'
 | 
						|
	append_bool "$cfg" 'use_http1' '-x'
 | 
						|
	config_get_bool ipv6_resolvers_only "$cfg" 'use_ipv6_resolvers_only' '0'
 | 
						|
	config_get verbosity "$cfg" 'verbosity' '0'
 | 
						|
 | 
						|
# shellcheck disable=SC2086,SC2154
 | 
						|
	for i in $(seq 1 $verbosity); do
 | 
						|
		xappend '-v'
 | 
						|
	done
 | 
						|
# shellcheck disable=SC2154
 | 
						|
	if [ "$ipv6_resolvers_only" = 0 ]; then
 | 
						|
		xappend '-4'
 | 
						|
	fi
 | 
						|
 | 
						|
	procd_open_instance
 | 
						|
# shellcheck disable=SC2086
 | 
						|
	procd_set_param command ${PROG} ${param}
 | 
						|
	procd_set_param stderr 1
 | 
						|
	procd_set_param stdout 1
 | 
						|
	procd_set_param respawn
 | 
						|
	procd_close_instance
 | 
						|
 | 
						|
	config_get listen_addr "$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="$((p+1))"
 | 
						|
}
 | 
						|
 | 
						|
is_force_dns_active() { iptables-save | grep -q -w -- '--dport 53'; }
 | 
						|
 | 
						|
start_service() {
 | 
						|
	local p=5053
 | 
						|
	config_load 'https-dns-proxy'
 | 
						|
	config_get dnsmasqConfig	'config' 'update_dnsmasq_config' '*'
 | 
						|
	config_get_bool forceDNS	'config' 'force_dns' '1'
 | 
						|
	dhcp_backup 'create'
 | 
						|
	config_load 'https-dns-proxy'
 | 
						|
	config_foreach start_instance 'https-dns-proxy'
 | 
						|
	if [ "$forceDNS" -ne 0 ]; then
 | 
						|
		procd_open_instance 'main'
 | 
						|
		procd_set_param command /bin/true
 | 
						|
		procd_set_param stdout 1
 | 
						|
		procd_set_param stderr 1
 | 
						|
		procd_open_data
 | 
						|
		json_add_array firewall
 | 
						|
		json_add_object ''
 | 
						|
		json_add_string type redirect
 | 
						|
		json_add_string name https_dns_proxy_dns_redirect
 | 
						|
		json_add_string target DNAT
 | 
						|
		json_add_string src lan
 | 
						|
		json_add_string proto tcpudp
 | 
						|
		json_add_string src_dport 53
 | 
						|
		json_add_string dest_port 53
 | 
						|
		json_add_string reflection 0
 | 
						|
		json_close_object
 | 
						|
		json_close_array
 | 
						|
		procd_close_data
 | 
						|
		procd_close_instance
 | 
						|
	fi
 | 
						|
	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_config_trigger "config.change" "https-dns-proxy" /etc/init.d/https-dns-proxy reload
 | 
						|
}
 | 
						|
 | 
						|
service_started() { procd_set_config_changed firewall; }
 | 
						|
service_stopped() { procd_set_config_changed firewall; }
 | 
						|
 | 
						|
dnsmasq_add_doh_server() {
 | 
						|
	local cfg="$1" address="$2" port="$3"
 | 
						|
	case $address in
 | 
						|
		0.0.0.0|::ffff:0.0.0.0) address='127.0.0.1';;
 | 
						|
		::) address='::1';;
 | 
						|
	esac
 | 
						|
	uci -q del_list "dhcp.${cfg}.server=${address}#${port}"
 | 
						|
	uci -q add_list "dhcp.${cfg}.server=${address}#${port}"
 | 
						|
}
 | 
						|
 | 
						|
dnsmasq_create_server_backup() {
 | 
						|
	local cfg="$1"
 | 
						|
	local i
 | 
						|
	uci -q get "dhcp.${cfg}" >/dev/null || return 0
 | 
						|
	if ! uci -q get "dhcp.${cfg}.doh_backup_noresolv" >/dev/null; then
 | 
						|
		if [ -z "$(uci -q get "dhcp.${cfg}.noresolv")" ]; then
 | 
						|
			uci -q set "dhcp.${cfg}.noresolv=1"
 | 
						|
			uci -q set "dhcp.${cfg}.doh_backup_noresolv=-1"
 | 
						|
		elif [ "$(uci -q get "dhcp.${cfg}.noresolv")" != "1" ]; then
 | 
						|
			uci -q set "dhcp.${cfg}.noresolv=1"
 | 
						|
			uci -q set "dhcp.${cfg}.doh_backup_noresolv=0"
 | 
						|
		fi
 | 
						|
	fi
 | 
						|
	if ! uci -q get "dhcp.${cfg}.doh_backup_server" >/dev/null; then
 | 
						|
		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
 | 
						|
	fi
 | 
						|
}
 | 
						|
 | 
						|
dnsmasq_restore_server_backup() {
 | 
						|
	local cfg="$1"
 | 
						|
	local i
 | 
						|
	uci -q get "dhcp.${cfg}" >/dev/null || return 0
 | 
						|
	if uci -q get "dhcp.${cfg}.doh_backup_noresolv" >/dev/null; then
 | 
						|
		if [ "$(uci -q get "dhcp.${cfg}.doh_backup_noresolv")" = "0" ]; then
 | 
						|
			uci -q set "dhcp.${cfg}.noresolv=0"
 | 
						|
		else 
 | 
						|
			uci -q del "dhcp.${cfg}.noresolv"
 | 
						|
		fi
 | 
						|
		uci -q del "dhcp.${cfg}.doh_backup_noresolv"
 | 
						|
	fi
 | 
						|
	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
 | 
						|
}
 |