blockcheck: CURL_MAX_TIME_DOH

blockcheck.sh

@@ -23,6 +23,7 @@ CURL=${CURL:-curl}
 . "$ZAPRET_BASE/common/fwtype.sh"
 . "$ZAPRET_BASE/common/virt.sh"
 
+DOMAINS_DEFAULT=${DOMAINS_DEFAULT:-rutracker.org}
 QNUM=${QNUM:-59780}
 SOCKS_PORT=${SOCKS_PORT:-1993}
 TPWS_UID=${TPWS_UID:-1}
@@ -35,9 +36,9 @@ MDIG=${MDIG:-${ZAPRET_BASE}/mdig/mdig}
 DESYNC_MARK=0x10000000
 IPFW_RULE_NUM=${IPFW_RULE_NUM:-1}
 IPFW_DIVERT_PORT=${IPFW_DIVERT_PORT:-59780}
-DOMAINS=${DOMAINS:-rutracker.org}
 CURL_MAX_TIME=${CURL_MAX_TIME:-2}
 CURL_MAX_TIME_QUIC=${CURL_MAX_TIME_QUIC:-$CURL_MAX_TIME}
+CURL_MAX_TIME_DOH=${CURL_MAX_TIME_DOH:-2}
 MIN_TTL=${MIN_TTL:-1}
 MAX_TTL=${MAX_TTL:-12}
 USER_AGENT=${USER_AGENT:-Mozilla}
@@ -45,8 +46,9 @@ HTTP_PORT=${HTTP_PORT:-80}
 HTTPS_PORT=${HTTPS_PORT:-443}
 QUIC_PORT=${QUIC_PORT:-443}
 UNBLOCKED_DOM=${UNBLOCKED_DOM:-iana.org}
+PARALLEL_OUT=/tmp/zapret_parallel
 
-HDRTEMP=/tmp/zapret-hdr.txt
+HDRTEMP=/tmp/zapret-hdr
 
 NFT_TABLE=blockcheck
 
@@ -77,9 +79,11 @@ exitp()
 {
 	local A
 
+	[ "$BATCH" = 1 ] || {
 		echo
 		echo press enter to continue
 		read A
+	}
 	exit $1
 }
 
@@ -212,7 +216,7 @@ doh_resolve()
 	# $1 - ip version 4/6
 	# $2 - hostname
 	# $3 - doh server URL. use $DOH_SERVER if empty
-	$MDIG --family=$1 --dns-make-query=$2 | $CURL -s --data-binary @- -H "Content-Type: application/dns-message" "${3:-$DOH_SERVER}" | $MDIG --dns-parse-query
+	$MDIG --family=$1 --dns-make-query=$2 | $CURL --max-time $CURL_MAX_TIME_DOH -s --data-binary @- -H "Content-Type: application/dns-message" "${3:-$DOH_SERVER}" | $MDIG --dns-parse-query
 }
 doh_find_working()
 {
@@ -560,7 +564,7 @@ curl_supports_tls13()
 	[ $? = 2 ] && return 1
 	# curl can have tlsv1.3 key present but ssl library without TLS 1.3 support
 	# this is online test because there's no other way to trigger library incompatibility case
-	$CURL --tlsv1.3 --max-time $CURL_MAX_TIME -Is -o /dev/null https://iana.org 2>/dev/null
+	$CURL --tlsv1.3 --max-time 1 -Is -o /dev/null https://iana.org 2>/dev/null
 	r=$?
 	[ $r != 4 -a $r != 35 ]
 }
@@ -651,28 +655,28 @@ curl_test_http()
 	# $3 - subst ip
 	# $4 - "detail" - detail info
 
-	local code loc
+	local code loc hdrt="${HDRTEMP}_${!:-$$}.txt"
-	curl_probe $1 $2 $HTTP_PORT "$3" -SsD "$HDRTEMP" -A "$USER_AGENT" --max-time $CURL_MAX_TIME $CURL_OPT "http://$2" -o /dev/null 2>&1 || {
+	curl_probe $1 $2 $HTTP_PORT "$3" -SsD "$hdrt" -A "$USER_AGENT" --max-time $CURL_MAX_TIME $CURL_OPT "http://$2" -o /dev/null 2>&1 || {
 		code=$?
-		rm -f "$HDRTEMP"
+		rm -f "$hdrt"
 		return $code
 	}
 	if [ "$4" = "detail" ] ; then
-		head -n 1 "$HDRTEMP"
+		head -n 1 "$hdrt"
-		grep "^[lL]ocation:" "$HDRTEMP"
+		grep "^[lL]ocation:" "$hdrt"
 	else
-		code=$(hdrfile_http_code "$HDRTEMP")
+		code=$(hdrfile_http_code "$hdrt")
 		[ "$code" = 301 -o "$code" = 302 -o "$code" = 307 -o "$code" = 308 ] && {
-			loc=$(hdrfile_location "$HDRTEMP")
+			loc=$(hdrfile_location "$hdrt")
 			echo "$loc" | grep -qE "^https?://.*$2(/|$)" ||
 			echo "$loc" | grep -vqE '^https?://' || {
 				echo suspicious redirection $code to : $loc
-				rm -f "$HDRTEMP"
+				rm -f "$hdrt"
 				return 254
 			}
 		}
 	fi
-	rm -f "$HDRTEMP"
+	rm -f "$hdrt"
 	[ "$code" = 400 ] && {
 		# this can often happen if the server receives fake packets it should not receive
 		echo http code $code. likely the server receives fakes.
@@ -964,8 +968,27 @@ curl_test()
 	# $2 - domain
 	# $3 - subst ip
 	# $4 - param of test function
-	local code=0 n=0
+	local code=0 n=0 p pids
 
+	if [ "$PARALLEL" = 1 ]; then
+		rm -f "${PARALLEL_OUT}"*
+		for n in $(seq -s ' ' 1 $REPEATS); do
+			$1 "$IPV" $2 $3 "$4" >"${PARALLEL_OUT}_$n" &
+			pids=${pids:+$pids }$!
+		done
+		n=1
+		for p in $pids; do
+			[ $REPEATS -gt 1 ] && printf "[attempt $n] "
+			if wait $p; then
+				[ $REPEATS -gt 1 ] && echo 'AVAILABLE'
+			else
+				code=$?
+				cat "${PARALLEL_OUT}_$n"
+			fi
+			n=$(($n+1))
+		done
+		rm -f "${PARALLEL_OUT}"*
+	else
 		while [ $n -lt $REPEATS ]; do
 			n=$(($n+1))
 			[ $REPEATS -gt 1 ] && printf "[attempt $n] "
@@ -976,6 +999,7 @@ curl_test()
 				[ "$SCANLEVEL" = quick ] && break
 			fi
 		done
+	fi
 	[ "$4" = detail ] || {
 		if [ $code = 254 ]; then
 			echo "UNAVAILABLE"
@@ -1707,76 +1731,119 @@ ask_params()
 		exitp 1
 	}
 
-
+	local dom
+	[ -n "$DOMAINS" ] || {
+		DOMAINS="$DOMAINS_DEFAULT"
+		[ "$BATCH" = 1 ] || {
 			echo "specify domain(s) to test. multiple domains are space separated."
 			printf "domain(s) (default: $DOMAINS) : "
-	local dom
 			read dom
 			[ -n "$dom" ] && DOMAINS="$dom"
+		}
+	}
 
 	local IPVS_def=4
+	[ -n "$IPVS" ] || {
 		# yandex public dns
 		pingtest 6 2a02:6b8::feed:0ff && IPVS_def=46
+		[ "$BATCH" = 1 ] || {
 			printf "ip protocol version(s) - 4, 6 or 46 for both (default: $IPVS_def) : "
 			read IPVS
+		}
 		[ -n "$IPVS" ] || IPVS=$IPVS_def
 		[ "$IPVS" = 4 -o "$IPVS" = 6 -o "$IPVS" = 46 ] || {
 			echo 'invalid ip version(s). should be 4, 6 or 46.'
 			exitp 1
 		}
+	}
 	[ "$IPVS" = 46 ] && IPVS="4 6"
 
 	configure_curl_opt
 
+	[ -n "$ENABLE_HTTP" ] || {
 		ENABLE_HTTP=1
+		[ "$BATCH" = 1 ] || {
 			echo
 			ask_yes_no_var ENABLE_HTTP "check http"
+		}
+	}
 
+	[ -n "$ENABLE_HTTPS_TLS12" ] || {
 		ENABLE_HTTPS_TLS12=1
+		[ "$BATCH" = 1 ] || {
 			echo
 			ask_yes_no_var ENABLE_HTTPS_TLS12 "check https tls 1.2"
+		}
+	}
 
+	[ -n "$ENABLE_HTTPS_TLS13" ] || {
 		ENABLE_HTTPS_TLS13=0
-	echo
 		if [ -n "$TLS13" ]; then
+			[ "$BATCH" = 1 ] || {
+				echo
 				echo "TLS 1.3 uses encrypted ServerHello. DPI cannot check domain name in server response."
 				echo "This can allow more bypass strategies to work."
 				echo "What works for TLS 1.2 will also work for TLS 1.3 but not vice versa."
 				echo "Most sites nowadays support TLS 1.3 but not all. If you can't find a strategy for TLS 1.2 use this test."
 				echo "TLS 1.3 only strategy is better than nothing."
 				ask_yes_no_var ENABLE_HTTPS_TLS13 "check https tls 1.3"
+			}
 		else
+			echo
 			echo "installed curl version does not support TLS 1.3 . tests disabled."
 		fi
+	}
 
+	[ -n "$ENABLE_HTTP3" ] || {
 		ENABLE_HTTP3=0
-	echo
 		if [ -n "$HTTP3" ]; then
-		echo "make sure target domain(s) support QUIC or result will be negative in any case"
 			ENABLE_HTTP3=1
+			[ "$BATCH" = 1 ] || {
+				echo
+				echo "make sure target domain(s) support QUIC or result will be negative in any case"
 				ask_yes_no_var ENABLE_HTTP3 "check http3 QUIC"
+			}
 		else
+			echo
 			echo "installed curl version does not support http3 QUIC. tests disabled."
 		fi
+	}
 
+	[ -n "$REPEATS" ] || {
+		[ "$BATCH" = 1 ] || {
 			echo
 			echo "sometimes ISPs use multiple DPIs or load balancing. bypass strategies may work unstable."
 			printf "how many times to repeat each test (default: 1) : "
 			read REPEATS
+		}
 		REPEATS=$((0+${REPEATS:-1}))
 		[ "$REPEATS" = 0 ] && {
 			echo invalid repeat count
 			exitp 1
 		}
+	}
+	[ -z "$PARALLEL" -a $REPEATS -gt 1 ] && {
+		PARALLEL=0
+		[ "$BATCH" = 1 ] || {
+			echo
+			echo "parallel scan can greatly increase speed but may also trigger DDoS protection and cause false result"
+			ask_yes_no_var PARALLEL "enable parallel scan"
+		}
+	}
+	PARALLEL=${PARALLEL:-0}
 
+	[ -n "$SCANLEVEL" ] || {
+		SCANLEVEL=standard
+		[ "$BATCH" = 1 ] || {
 			echo
 			echo quick    - scan as fast as possible to reveal any working strategy
 			echo standard - do investigation what works on your DPI
 			echo force    - scan maximum despite of result
-	SCANLEVEL=${SCANLEVEL:-standard}
 			ask_list SCANLEVEL "quick standard force" "$SCANLEVEL"
 			# disable tpws checks by default in quick mode
 			[ "$SCANLEVEL" = quick -a -z "$SKIP_TPWS" -a "$UNAME" != Darwin ] && SKIP_TPWS=1
+		}
+	}
 
 	echo
 
@@ -1981,14 +2048,14 @@ check_dns()
 unprepare_all()
 {
 	# make sure we are not in a middle state that impacts connectivity
-	rm -f "$HDRTEMP"
+	ws_kill
 	[ -n "$IPV" ] && {
 		pktws_ipt_unprepare_tcp 80
 		pktws_ipt_unprepare_tcp 443
 		pktws_ipt_unprepare_udp 443
 	}
-	ws_kill
 	cleanup
+	rm -f "${HDRTEMP}"* "${PARALLEL_OUT}"*
 }
 sigint()
 {

docs/changes.txt

@@ -440,4 +440,9 @@ v69.9
 init.d: exclude ipban from tpws redirection
 macos: fix install_easy
 macos: fix national decimal separator in sleep
-nfqws: apply relative markers to partial TLS ClientHello
+ipset: scripts maintenance
+
+v70
+
+blockcheck: override all dialog questions and enable batch mode
+blockcheck: parallel attempts

docs/readme.en.md

@@ -1,4 +1,4 @@
-# zapret v69.9
+# zapret v70
 
 # SCAMMER WARNING
 

docs/readme.md

@@ -1,4 +1,4 @@
-# zapret v69.9
+# zapret v70
 
 # ВНИМАНИЕ, остерегайтесь мошенников
 
@@ -1427,9 +1427,19 @@ linux, но через раз приобретает статус INVALID в con
 CURL - замена программы curl
 CURL_MAX_TIME - время таймаута curl в секундах
 CURL_MAX_TIME_QUIC - время таймаута curl для quic. если не задано, используется значение CURL_MAX_TIME
+CURL_MAX_TIME_DOH - время таймаута curl для DoH серверов
 CURL_CMD=1 - показывать команды curl
 CURL_OPT - дополнительные параметры curl. `-k` - игнор сертификатов. `-v` - подробный вывод протокола
 DOMAINS - список тестируемых доменов через пробел
+IPVS=4|6|46 - тестируемые версии ip протокола
+ENABLE_HTTP=0|1 - включить тест plain http
+ENABLE_HTTPS_TLS12=0|1 - включить тест https TLS 1.2
+ENABLE_HTTPS_TLS13=0|1 - включить тест https TLS 1.3
+ENABLE_HTTP3=0|1 - включить тест QUIC
+REPEATS - количество попыток тестирования
+PARALLEL=0|1 - включить параллельные попытки. может обидеть сайт из-за долбежки и привести к неверному результату
+SCANLEVEL=quick|standard|force - уровень сканирования
+BATCH=1 - пакетный режим без вопросов и ожидания ввода в консоли
 HTTP_PORT, HTTPS_PORT, QUIC_PORT - номера портов для соответствующих протоколов
 SKIP_DNSCHECK=1 - отказ от проверки DNS
 SKIP_TPWS=1 - отказ от тестов tpws