blockcheck: reduce default CURL_MAX_TIME from 3 to 2

blockcheck.sh

@@ -24,7 +24,7 @@ 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:-3}
+CURL_MAX_TIME=${CURL_MAX_TIME:-2}
 CURL_MAX_TIME_QUIC=${CURL_MAX_TIME_QUIC:-$CURL_MAX_TIME}
 MIN_TTL=${MIN_TTL:-1}
 MAX_TTL=${MAX_TTL:-12}
@@ -1353,8 +1353,13 @@ pingtest()
 			ping -c 1 -w 1 $1 >/dev/null
 			;;
 		CYGWIN)
-			# cygwin does not have own PING by default. use windows PING.
-			ping -n 1 -w 1000 $1 >/dev/null
+			if starts_with "$(which ping)" /cygdrive; then
+				# cygwin does not have own PING by default. use windows PING.
+				ping -n 1 -w 1000 $1 >/dev/null
+			else
+				# they have installed cygwin ping
+				ping -c 1 -W 1 $1 >/dev/null
+			fi
 			;;
 		*)
 			ping -c 1 -W 1 $1 >/dev/null

common/base.sh

@@ -49,6 +49,17 @@ contains()
 	# check if substring $2 contains in $1
 	[ "${1#*$2}" != "$1" ]
 }
+starts_with()
+{
+	# $1 : what
+	# $2 : starts with
+	case "$1" in
+		"$2"*)
+			return 0
+			;;
+	esac
+	return 1
+}
 find_str_in_list()
 {
 	[ -n "$1" ] && {
@@ -290,7 +301,7 @@ shell_name()
 			SHELL_NAME=$(ps -p $$ -o comm=)
 		fi
 
-		[ -n "$SHELL_NAME" ] || SHELL_NAME=$(basename "$SHELL")
+		[ -n "$SHELL_NAME" ] || SHELL_NAME="$(basename "$SHELL")"
 	}
 }
 

nfq/darkmagic.c

@@ -1037,6 +1037,7 @@ static bool windivert_recv_filter(HANDLE hFilter, uint8_t *packet, size_t *len,
 		errno=EINTR;
 		return false;
 	}
+	usleep(0);
 	if (WinDivertRecvEx(hFilter, packet, *len, &recv_len, 0, wa, NULL, &ovl))
 	{
 		*len = recv_len;

nfq/nfqws.c

@@ -444,17 +444,20 @@ static int win_main(const char *windivert_filter)
 		DLOG("packet: id=%u len=%zu %s IPv6=%u IPChecksum=%u TCPChecksum=%u UDPChecksum=%u IfIdx=%u.%u\n", id, len, wa.Outbound ? "outbound" : "inbound", wa.IPv6, wa.IPChecksum, wa.TCPChecksum, wa.UDPChecksum, wa.Network.IfIdx, wa.Network.SubIfIdx)
 		if (wa.Impostor)
 		{
-			DLOG("windivert: skipping impostor packet\n")
-			continue;
+			DLOG("windivert: passing impostor packet\n")
+			verdict = VERDICT_PASS;
 		}
-		if (wa.Loopback)
+		else if (wa.Loopback)
 		{
-			DLOG("windivert: skipping loopback packet\n")
-			continue;
+			DLOG("windivert: passing loopback packet\n")
+			verdict = VERDICT_PASS;
+		}
+		else
+		{
+			mark=0;
+			// pseudo interface id IfIdx.SubIfIdx
+			verdict = processPacketData(&mark, ifout, packet, &len);
 		}
-		mark=0;
-		// pseudo interface id IfIdx.SubIfIdx
-		verdict = processPacketData(&mark, ifout, packet, &len);
 		switch (verdict & VERDICT_MASK)
 		{
 			case VERDICT_PASS: