blockcheck: fix brokern http3 test

.gitattributes

@@ -2,3 +2,4 @@
 *.cmd eol=crlf
 *.bat eol=crlf
 init.d/windivert.filter.examples/** eol=crlf
+files/** binary

.github/workflows/build.yml

@@ -468,7 +468,7 @@ jobs:
           (
             cd ${{ env.repo_dir }}
             rm -rf binaries/{android*,freebsd*,mac*,win*,x86_64/tpws_wsl.tgz} \
-                   init.d/{openrc,macos,pfsense,runit,s6,systemd} \
+                   init.d/{openrc,macos,pfsense,runit,s6,systemd,windivert.filter.examples} \
                    tpws nfq ip2net mdig docs files/huawei Makefile
           )
           tar --owner=0 --group=0 -czf ${{ env.repo_dir }}-openwrt-embedded.tar.gz ${{ env.repo_dir }}

blockcheck.sh

@@ -56,7 +56,7 @@ HDRTEMP=/tmp/zapret-hdr
 NFT_TABLE=blockcheck
 
 DNSCHECK_DNS=${DNSCHECK_DNS:-8.8.8.8 1.1.1.1 77.88.8.1}
-DNSCHECK_DOM=${DNSCHECK_DOM:-pornhub.com ntc.party rutracker.org www.torproject.org bbc.com}
+DNSCHECK_DOM=${DNSCHECK_DOM:-pornhub.com ej.ru rutracker.org www.torproject.org bbc.com}
 DOH_SERVERS=${DOH_SERVERS:-"https://cloudflare-dns.com/dns-query https://dns.google/dns-query https://dns.quad9.net/dns-query https://dns.adguard.com/dns-query https://common.dot.dns.yandex.net/dns-query"}
 DNSCHECK_DIG1=/tmp/dig1.txt
 DNSCHECK_DIG2=/tmp/dig2.txt
@@ -219,7 +219,7 @@ 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 --max-time $CURL_MAX_TIME_DOH -s --data-binary @- -H "Content-Type: application/dns-message" "${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()
 {
@@ -247,7 +247,7 @@ mdig_vars()
 	# $1 - ip version 4/6
 	# $2 - hostname
 
-	hostvar=$(echo $2 | sed -e 's/[\.-/?&#@%*$^:~=!()]/_/g')
+	hostvar=$(echo $2 | sed -e 's/[\./?&#@%*$^:~=!()+-]/_/g')
 	cachevar=DNSCACHE_${hostvar}_$1
 	countvar=${cachevar}_COUNT
 	eval count=\$${countvar}
@@ -278,44 +278,45 @@ mdig_cache()
 mdig_resolve()
 {
 	# $1 - ip version 4/6
-	# $2 - hostname, possibly with uri : rutracker.org/xxx/xxxx
-	local hostvar cachevar countvar count ip n sdom
+	# $2 - var to receive result
+	# $3 - hostname, possibly with uri : rutracker.org/xxx/xxxx
+	local hostvar cachevar countvar count n sdom
 
-	split_by_separator "$2" / sdom
+	split_by_separator "$3" / sdom
 	mdig_vars "$1" "$sdom"
 	if [ -n "$count" ]; then
 		n=$(random 0 $(($count-1)))
-		eval ip=\$${cachevar}_$n
-		echo $ip
+		eval $2=\$${cachevar}_$n
 		return 0
 	else
-		mdig_cache "$1" "$sdom" && mdig_resolve "$1" "$sdom"
+		mdig_cache "$1" "$sdom" && mdig_resolve "$1" "$2" "$sdom"
 	fi
 }
 mdig_resolve_all()
 {
 	# $1 - ip version 4/6
-	# $2 - hostname
+	# $2 - var to receive result
+	# $3 - hostname
 
-	local hostvar cachevar countvar count ip ips n
+	local hostvar cachevar countvar count ip__ ips__ n sdom
 
-	split_by_separator "$2" / sdom
+	split_by_separator "$3" / sdom
 	mdig_vars "$1" "$sdom"
 	if [ -n "$count" ]; then
 		n=0
 		while [ "$n" -le $count ]; do
-			eval ip=\$${cachevar}_$n
-			if [ -n "$ips" ]; then
-				ips="$ips $ip"
+			eval ip__=\$${cachevar}_$n
+			if [ -n "$ips__" ]; then
+				ips__="$ips__ $ip__"
 			else
-				ips="$ip"
+				ips__="$ip__"
 			fi
 			n=$(($n + 1))
 		done
-		echo "$ips"
+		eval $2="\$ips__"
 		return 0
 	else
-		mdig_cache "$1" "$sdom" && mdig_resolve_all "$1" "$sdom"
+		mdig_cache "$1" "$sdom" && mdig_resolve_all "$1" "$2" "$sdom"
 	fi
 }
 
@@ -426,7 +427,7 @@ check_system()
 	}
 	echo firewall type is $FWTYPE
 	echo CURL=$CURL
-	$CURL --version
+	"$CURL" --version
 }
 
 zp_already_running()
@@ -482,7 +483,7 @@ check_prerequisites()
 		exitp 6
 	}
 
-	local prog progs='curl'
+	local prog progs="$CURL"
 	[ "$SKIP_PKTWS" = 1 ] || {
 		case "$UNAME" in
 			Linux)
@@ -598,12 +599,12 @@ curl_translate_code()
 curl_supports_tls13()
 {
 	local r
-	$CURL --tlsv1.3 -Is -o /dev/null --max-time 1 http://127.0.0.1:65535 2>/dev/null
+	"$CURL" --tlsv1.3 -Is -o /dev/null --max-time 1 http://127.0.0.1:65535 2>/dev/null
 	# return code 2 = init failed. likely bad command line options
 	[ $? = 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
-	$CURL --tlsv1.3 --max-time 1 -Is -o /dev/null https://iana.org 2>/dev/null
+	"$CURL" --tlsv1.3 --max-time 1 -Is -o /dev/null https://iana.org 2>/dev/null
 	r=$?
 	[ $r != 4 -a $r != 35 ]
 }
@@ -611,16 +612,16 @@ curl_supports_tls13()
 curl_supports_tlsmax()
 {
 	# supported only in OpenSSL and LibreSSL
-	$CURL --version | grep -Fq -e OpenSSL -e LibreSSL -e BoringSSL -e GnuTLS -e quictls || return 1
+	"$CURL" --version | grep -Fq -e OpenSSL -e LibreSSL -e BoringSSL -e GnuTLS -e quictls || return 1
 	# supported since curl 7.54
-	$CURL --tls-max 1.2 -Is -o /dev/null --max-time 1 http://127.0.0.1:65535 2>/dev/null
+	"$CURL" --tls-max 1.2 -Is -o /dev/null --max-time 1 http://127.0.0.1:65535 2>/dev/null
 	# return code 2 = init failed. likely bad command line options
 	[ $? != 2 ]
 }
 
 curl_supports_connect_to()
 {
-	$CURL --connect-to 127.0.0.1:: -o /dev/null --max-time 1 http://127.0.0.1:65535 2>/dev/null
+	"$CURL" --connect-to 127.0.0.1:: -o /dev/null --max-time 1 http://127.0.0.1:65535 2>/dev/null
 	[ "$?" != 2 ]
 }
 
@@ -628,7 +629,7 @@ curl_supports_http3()
 {
 	# if it has http3 : curl: (3) HTTP/3 requested for non-HTTPS URL
 	# otherwise : curl: (2) option --http3-only: is unknown
-	$CURL --connect-to 127.0.0.1:: -o /dev/null --max-time 1 --http3-only http://127.0.0.1:65535 2>/dev/null
+	"$CURL" --connect-to 127.0.0.1:: -o /dev/null --max-time 1 --http3-only http://127.0.0.1:65535 2>/dev/null
 	[ "$?" != 2 ]
 }
 
@@ -648,19 +649,18 @@ hdrfile_location()
 curl_with_subst_ip()
 {
 	# $1 - domain
-	# $2 - uri
-	# $3 - port
-	# $4 - ip
-	# $5+ - curl params
-	local ip="$4"
+	# $2 - port
+	# $3 - ip
+	# $4+ - curl params
+	local ip="$3"
 	case "$ip" in
 		*:*) ip="[$ip]" ;;
 	esac
-	local connect_to="--connect-to $1::$ip${3:+:$3}" arg
-	shift ; shift ; shift; shift
+	local connect_to="--connect-to $1::$ip${2:+:$2}" arg
+	shift ; shift ; shift;
 	[ "$CURL_VERBOSE" = 1 ] && arg="-v"
 	[ "$CURL_CMD" = 1 ] && echo $CURL ${arg:+$arg }$connect_to "$@"
-	ALL_PROXY="$ALL_PROXY" $CURL ${arg:+$arg }$connect_to "$@"
+	ALL_PROXY="$ALL_PROXY" "$CURL" ${arg:+$arg }$connect_to "$@"
 }
 curl_with_dig()
 {
@@ -672,10 +672,10 @@ curl_with_dig()
 	local sdom suri ip
 
 	split_by_separator "$dom" / sdom suri
-	ip=$(mdig_resolve $1 $sdom)
+	mdig_resolve $1 ip $sdom
 	shift ; shift ; shift
 	if [ -n "$ip" ]; then
-		curl_with_subst_ip "$sdom" "$suri" $port $ip "$@"
+		curl_with_subst_ip "$sdom" "$port" "$ip" "$@"
 	else
 		return 6
 	fi
@@ -1006,7 +1006,7 @@ check_domain_port_block()
 	echo
 	echo \* port block tests ipv$IPV $1:$2
 	if netcat_setup; then
-		ips=$(mdig_resolve_all $IPV $1)
+		mdig_resolve_all $IPV ips $1
 		if [ -n "$ips" ]; then
 			for ip in $ips; do
 				if netcat_test $ip $2; then
@@ -1706,7 +1706,7 @@ check_dpi_ip_block()
 
 	echo "> testing $UNBLOCKED_DOM on it's original ip"
 	if curl_test $1 $UNBLOCKED_DOM; then
-		unblocked_ip=$(mdig_resolve $IPV $UNBLOCKED_DOM)
+		mdig_resolve $IPV unblocked_ip $UNBLOCKED_DOM
 		[ -n "$unblocked_ip" ] || {
 			echo $UNBLOCKED_DOM does not resolve. tests not possible.
 			return 1
@@ -1715,7 +1715,7 @@ check_dpi_ip_block()
 		echo "> testing $blocked_dom on $unblocked_ip ($UNBLOCKED_DOM)"
 		curl_test $1 $blocked_dom $unblocked_ip detail
 
-		blocked_ips=$(mdig_resolve_all $IPV $blocked_dom)
+		mdig_resolve_all $IPV blocked_ips $blocked_dom
 		for blocked_ip in $blocked_ips; do
 			echo "> testing $UNBLOCKED_DOM on $blocked_ip ($blocked_dom)"
 			curl_test $1 $UNBLOCKED_DOM $blocked_ip detail
@@ -1766,6 +1766,8 @@ check_domain_http_tcp()
 	# $3 - encrypted test : 0 = plain, 1 - encrypted with server reply risk, 2 - encrypted without server reply risk
 	# $4 - domain
 
+	local ips
+
 	# in case was interrupted before
 	pktws_ipt_unprepare_tcp $2
 	ws_kill
@@ -1774,15 +1776,11 @@ check_domain_http_tcp()
 
 	[ "$SKIP_IPBLOCK" = 1 ] || check_dpi_ip_block $1 $4
 
-	[ "$SKIP_TPWS" = 1 ] || {
-		echo
-		tpws_check_domain_http_bypass $1 $3 $4
-	}
-
 	[ "$SKIP_PKTWS" = 1 ] || {
 		echo
 	        echo preparing $PKTWSD redirection
-		pktws_ipt_prepare_tcp $2 "$(mdig_resolve_all $IPV $4)"
+		mdig_resolve_all $IPV ips $4
+		pktws_ipt_prepare_tcp $2 "$ips"
 
 		pktws_check_domain_http_bypass $1 $3 $4
 
@@ -1796,6 +1794,8 @@ check_domain_http_udp()
 	# $2 - port
 	# $3 - domain
 
+	local ips
+
 	# in case was interrupted before
 	pktws_ipt_unprepare_udp $2
 	ws_kill
@@ -1805,7 +1805,8 @@ check_domain_http_udp()
 	[ "$SKIP_PKTWS" = 1 ] || {
 		echo
 	        echo preparing $PKTWSD redirection
-		pktws_ipt_prepare_udp $2 "$(mdig_resolve_all $IPV $3)"
+		mdig_resolve_all $IPV ips $3
+		pktws_ipt_prepare_udp $2 "$ips"
 
 		pktws_check_domain_http3_bypass $1 $3
 
@@ -1927,7 +1928,7 @@ ask_params()
 	curl_supports_connect_to || {
 		echo "installed curl does not support --connect-to option. pls install at least curl 7.49"
 		echo "current curl version:"
-		$CURL --version
+		"$CURL" --version
 		exitp 1
 	}
 

common/base.sh

@@ -4,6 +4,10 @@ which()
 	# 'command -v' replacement does not work exactly the same way. it outputs shell aliases if present
 	# $1 - executable name
 	local IFS=:
+	[ "$1" != "${1#/}" ] && [ -x "$1" ] && {
+		echo "$1"
+		return 0
+	}
 	for p in $PATH; do
 	    [ -x "$p/$1" ] && {
 		echo "$p/$1"

common/queue.sh

@@ -1,85 +0,0 @@
-apply_unspecified_desync_modes()
-{
-	NFQWS_OPT_DESYNC_HTTP="${NFQWS_OPT_DESYNC_HTTP:-$NFQWS_OPT_DESYNC}"
-	NFQWS_OPT_DESYNC_HTTP_SUFFIX="${NFQWS_OPT_DESYNC_HTTP_SUFFIX:-$NFQWS_OPT_DESYNC_SUFFIX}"
-	NFQWS_OPT_DESYNC_HTTPS="${NFQWS_OPT_DESYNC_HTTPS:-$NFQWS_OPT_DESYNC}"
-	NFQWS_OPT_DESYNC_HTTPS_SUFFIX="${NFQWS_OPT_DESYNC_HTTPS_SUFFIX:-$NFQWS_OPT_DESYNC_SUFFIX}"
-	NFQWS_OPT_DESYNC_HTTP6="${NFQWS_OPT_DESYNC_HTTP6:-$NFQWS_OPT_DESYNC_HTTP}"
-	NFQWS_OPT_DESYNC_HTTP6_SUFFIX="${NFQWS_OPT_DESYNC_HTTP6_SUFFIX:-$NFQWS_OPT_DESYNC_HTTP_SUFFIX}"
-	NFQWS_OPT_DESYNC_HTTPS6="${NFQWS_OPT_DESYNC_HTTPS6:-$NFQWS_OPT_DESYNC_HTTPS}"
-	NFQWS_OPT_DESYNC_HTTPS6_SUFFIX="${NFQWS_OPT_DESYNC_HTTPS6_SUFFIX:-$NFQWS_OPT_DESYNC_HTTPS_SUFFIX}"
-	NFQWS_OPT_DESYNC_QUIC6="${NFQWS_OPT_DESYNC_QUIC6:-$NFQWS_OPT_DESYNC_QUIC}"
-	NFQWS_OPT_DESYNC_QUIC6_SUFFIX="${NFQWS_OPT_DESYNC_QUIC6_SUFFIX:-$NFQWS_OPT_DESYNC_QUIC_SUFFIX}"
-}
-
-get_nfqws_qnums()
-{
-	# $1 - var name for ipv4 http
-	# $2 - var name for ipv4 https
-	# $3 - var name for ipv6 http
-	# $4 - var name for ipv6 https
-	local _qn _qns _qn6 _qns6
-
-	[ "$DISABLE_IPV4" = "1" ] || {
-		_qn=$QNUM
-		_qns=$_qn
-		[ "$NFQWS_OPT_DESYNC_HTTP $NFQWS_OPT_DESYNC_HTTP_SUFFIX" = "$NFQWS_OPT_DESYNC_HTTPS $NFQWS_OPT_DESYNC_HTTPS_SUFFIX" ] || _qns=$(($QNUM+1))
-	}
-	[ "$DISABLE_IPV6" = "1" ] || {
-		_qn6=$(($QNUM+2))
-		_qns6=$(($QNUM+3))
-		[ "$DISABLE_IPV4" = "1" ] || {
-			if [ "$NFQWS_OPT_DESYNC_HTTP6 $NFQWS_OPT_DESYNC_HTTP6_SUFFIX" = "$NFQWS_OPT_DESYNC_HTTP $NFQWS_OPT_DESYNC_HTTP_SUFFIX" ]; then
-				_qn6=$_qn;
-			elif [ "$NFQWS_OPT_DESYNC_HTTP6 $NFQWS_OPT_DESYNC_HTTP6_SUFFIX" = "$NFQWS_OPT_DESYNC_HTTPS $NFQWS_OPT_DESYNC_HTTPS_SUFFIX" ]; then
-				_qn6=$_qns;
-			fi
-			if [ "$NFQWS_OPT_DESYNC_HTTPS6 $NFQWS_OPT_DESYNC_HTTPS6_SUFFIX" = "$NFQWS_OPT_DESYNC_HTTP $NFQWS_OPT_DESYNC_HTTP_SUFFIX" ]; then
-				_qns6=$_qn;
-			elif [ "$NFQWS_OPT_DESYNC_HTTPS6 $NFQWS_OPT_DESYNC_HTTPS6_SUFFIX" = "$NFQWS_OPT_DESYNC_HTTPS $NFQWS_OPT_DESYNC_HTTPS_SUFFIX" ]; then
-				_qns6=$_qns;
-			fi
-		}
-		[ "$NFQWS_OPT_DESYNC_HTTPS6 $NFQWS_OPT_DESYNC_HTTPS6_SUFFIX" = "$NFQWS_OPT_DESYNC_HTTP6 $NFQWS_OPT_DESYNC_HTTP6_SUFFIX" ] && _qns6=$_qn6;
-	}
-	if [ "$MODE_HTTP" = 1 ]; then
-		eval $1=$_qn
-		eval $3=$_qn6
-	else
-		eval $1=
-		eval $3=
-	fi
-	if [ "$MODE_HTTPS" = 1 ]; then
-		eval $2=$_qns
-		eval $4=$_qns6
-	else
-		eval $2=
-		eval $4=
-	fi
-}
-
-get_nfqws_qnums_quic()
-{
-	# $1 - var name for ipv4 quic
-	# $2 - var name for ipv6 quic
-	local _qn _qn6
-
-	[ "$DISABLE_IPV4" = "1" ] || {
-		_qn=$(($QNUM+10))
-	}
-	[ "$DISABLE_IPV6" = "1" ] || {
-		_qn6=$(($QNUM+11))
-		[ "$DISABLE_IPV4" = "1" ] || {
-			if [ "$NFQWS_OPT_DESYNC_QUIC $NFQWS_OPT_DESYNC_QUIC_SUFFIX" = "$NFQWS_OPT_DESYNC_QUIC6 $NFQWS_OPT_DESYNC_QUIC6_SUFFIX" ]; then
-				_qn6=$_qn;
-			fi
-		}
-	}
-	if [ "$MODE_QUIC" = 1 ]; then
-		eval $1=$_qn
-		eval $2=$_qn6
-	else
-		eval $1=
-		eval $2=
-	fi
-}

docs/changes.txt

@@ -572,3 +572,7 @@ nfqws: --dup-ip-id
 
 blockcheck: support URIs
 blockcheck: CURL_HTTPS_GET=1 suppresses -I curl option for https (HEAD -> GET)
+
+73.4
+
+blockcheck: fix broken dns cache

docs/windows.en.md

@@ -7,7 +7,7 @@ tpws is static binary. It doesn't need a distribution.
 
 Install `WSL` : `dism.exe /online /enable-feature /featurename:Microsoft-Windows-Subsystem-Linux /all`
 
-Copy `binaries/x86_64/tpws_wsl.tgz` to the target system.
+From release copy `binaries/linux-x86_64/tpws_wsl.tgz` to the target system.
 Run : `wsl --import tpws "%USERPROFILE%\tpws" tpws_wsl.tgz`
 
 Run tpws : `wsl -d tpws --exec /tpws --uid=1 --no-resolve --socks --bind-addr=127.0.0.1 --port=1080 <fooling_options>`
@@ -16,7 +16,7 @@ Configure socks as `127.0.0.1:1080` in a browser or another program.
 
 Cleanup : `wsl --unregister tpws`
 
-Tested in windows 10 build 19041 (20.04).
+Tested in windows 10 build 19041 (20.04) with WSL1.
 
 `--oob` , `--mss` and `--disorder` do not work.
 RST detection in autohostlist scheme may not work.

docs/windows.md

@@ -12,7 +12,7 @@ tpws в режиме socks можно запускать под более-ме
 Установить WSL : 
  `dism.exe /online /enable-feature /featurename:Microsoft-Windows-Subsystem-Linux /all`
 
-Скопировать на целевую систему `binaries/x86_64/tpws_wsl.tgz`.
+Из релиза скопировать на целевую систему `binaries/linux-x86_64/tpws_wsl.tgz`.
 
 Выполнить :
  `wsl --import tpws "%USERPROFILE%\tpws" tpws_wsl.tgz`
@@ -24,8 +24,12 @@ tpws в режиме socks можно запускать под более-ме
 
 Удаление : `wsl --unregister tpws`
 
+
 > [!NOTE]
-> Проверено на windows 10 build 19041 (20.04).
+> Проверено на windows 10 build 19041 (20.04) под WSL1. На WSL2 эти команды могут не сработать.
+Если у вас есть WSL2, значит у вас есть работающая виртуалка с linux.
+Если вы умеете с ней обращаться, tpws на ней запустить возможно без всяких проблем.
+
 
 Возможные проблемы: 
 - Не работают функции `--oob` и `--mss` из-за ограничений реализации WSL.

ipset/zapret-hosts-user-exclude.txt.default

@@ -3,6 +3,7 @@
 172.16.0.0/12
 192.168.0.0/16
 169.254.0.0/16
+100.64.0.0/10
 ::1
 fc00::/7
 fe80::/10

nfq/crypto/aes-gcm.c

@@ -5,9 +5,11 @@ int aes_gcm_crypt(int mode, uint8_t *output, const uint8_t *input, size_t input_
 	int ret = 0;
 	gcm_context ctx;
 
-	gcm_setkey(&ctx, key, (const uint)key_len);
-	ret = gcm_crypt_and_tag(&ctx, mode, iv, iv_len, adata, adata_len, input, output, input_length, atag, atag_len);
-	gcm_zero_ctx(&ctx);
+	if (!(ret = gcm_setkey(&ctx, key, (const uint)key_len)))
+	{
+		ret = gcm_crypt_and_tag(&ctx, mode, iv, iv_len, adata, adata_len, input, output, input_length, atag, atag_len);
+		gcm_zero_ctx(&ctx);
+	}
 
 	return ret;
 }

nfq/crypto/aes.c

@@ -367,7 +367,7 @@ int aes_setkey(aes_context *ctx,   // AES context provided by our caller
 	}
 
 #if AES_DECRYPTION
-	if (mode == DECRYPT)   // expand our key for encryption or decryption
+	if (mode == AES_DECRYPT)   // expand our key for encryption or decryption
 		return(aes_set_decryption_key(ctx, key, keysize));
 	else     /* ENCRYPT */
 #endif /* AES_DECRYPTION */
@@ -399,7 +399,7 @@ int aes_cipher(aes_context *ctx,
 
 #if AES_DECRYPTION  // whether AES decryption is supported
 
-	if (ctx->mode == DECRYPT)
+	if (ctx->mode == AES_DECRYPT)
 	{
 		for (i = (ctx->rounds >> 1) - 1; i > 0; i--)
 		{

nfq/crypto/gcm.c

@@ -246,7 +246,7 @@ int gcm_setkey(gcm_context *ctx,   // pointer to caller-provided gcm context
  *
  ******************************************************************************/
 int gcm_start(gcm_context *ctx,    // pointer to user-provided GCM context
-	int mode,            // GCM_ENCRYPT or GCM_DECRYPT
+	int mode,            // AES_ENCRYPT or AES_DECRYPT
 	const uchar *iv,     // pointer to initialization vector
 	size_t iv_len,       // IV length in bytes (should == 12)
 	const uchar *add,    // ptr to additional AEAD data (NULL if none)
@@ -288,6 +288,7 @@ int gcm_start(gcm_context *ctx,    // pointer to user-provided GCM context
 		for (i = 0; i < 16; i++) ctx->y[i] ^= work_buf[i];
 		gcm_mult(ctx, ctx->y, ctx->y);
 	}
+
 	if ((ret = aes_cipher(&ctx->aes_ctx, ctx->y, ctx->base_ectr)) != 0)
 		return(ret);
 
@@ -427,7 +428,7 @@ int gcm_finish(gcm_context *ctx,   // pointer to user-provided GCM context
  ******************************************************************************/
 int gcm_crypt_and_tag(
 	gcm_context *ctx,       // gcm context with key already setup
-	int mode,               // cipher direction: GCM_ENCRYPT or GCM_DECRYPT
+	int mode,               // cipher direction: AES_ENCRYPT or AES_DECRYPT
 	const uchar *iv,        // pointer to the 12-byte initialization vector
 	size_t iv_len,          // byte length if the IV. should always be 12
 	const uchar *add,       // pointer to the non-ciphered additional data

nfq/darkmagic.c

@@ -936,7 +936,6 @@ void proto_skip_ipv6(uint8_t **data, size_t *len, uint8_t *proto_type, uint8_t *
 		{
 		case 0: // Hop-by-Hop Options
 		case 43: // routing
-		case 51: // authentication
 		case 60: // Destination Options
 		case 135: // mobility
 		case 139: // Host Identity Protocol Version v2
@@ -947,6 +946,11 @@ void proto_skip_ipv6(uint8_t **data, size_t *len, uint8_t *proto_type, uint8_t *
 		case 44: // fragment. length fixed to 8, hdrlen field defined as reserved
 			hdrlen = 8;
 			break;
+		case 51: // authentication
+			// special case. length in ah header is in 32-bit words minus 2
+			if (*len < 2) return; // error
+			hdrlen = 8 + ((*data)[1] << 2);
+			break;
 		case 59: // no next header
 			return; // error
 		default:

nfq/desync.c

@@ -1205,12 +1205,6 @@ static uint8_t dpi_desync_tcp_packet_play(bool replay, size_t reasm_offset, uint
 			DLOG("using cached desync profile %d\n", dp->n);
 		else if (!ctrack_replay->dp_search_complete)
 		{
-			if (!ctrack_replay->hostname && !bReverse)
-			{
-				if (ipcache_get_hostname(dis->ip ? &dis->ip->ip_dst : NULL, dis->ip6 ? &dis->ip6->ip6_dst : NULL, host, sizeof(host), &ctrack_replay->hostname_is_ip) && *host)
-					if (!(ctrack_replay->hostname = strdup(host)))
-						DLOG_ERR("strdup(host): out of memory\n");
-			}
 			dp = ctrack_replay->dp = dp_find(&params.desync_profiles, IPPROTO_TCP, (struct sockaddr *)&dst, ctrack_replay->hostname, ctrack_replay->hostname_is_ip, ctrack_replay->l7proto, ssid, NULL, NULL, NULL);
 			ctrack_replay->dp_search_complete = true;
 		}
@@ -2811,12 +2805,6 @@ static uint8_t dpi_desync_udp_packet_play(bool replay, size_t reasm_offset, uint
 			DLOG("using cached desync profile %d\n", dp->n);
 		else if (!ctrack_replay->dp_search_complete)
 		{
-			if (!ctrack_replay->hostname && !bReverse)
-			{
-				if (ipcache_get_hostname(dis->ip ? &dis->ip->ip_dst : NULL, dis->ip6 ? &dis->ip6->ip6_dst : NULL, host, sizeof(host), &ctrack_replay->hostname_is_ip) && *host)
-					if (!(ctrack_replay->hostname = strdup(host)))
-						DLOG_ERR("strdup(host): out of memory\n");
-			}
 			dp = ctrack_replay->dp = dp_find(&params.desync_profiles, IPPROTO_UDP, (struct sockaddr *)&dst, ctrack_replay->hostname, ctrack_replay->hostname_is_ip, ctrack_replay->l7proto, ssid, NULL, NULL, NULL);
 			ctrack_replay->dp_search_complete = true;
 		}
@@ -3198,7 +3186,7 @@ static uint8_t dpi_desync_udp_packet_play(bool replay, size_t reasm_offset, uint
 					if (ctrack_replay->hostname_ah_check)
 					{
 						// first request is not retrans
-						if (!bDiscoveredHostname)
+						if (!bDiscoveredHostname && !reasm_offset)
 							process_retrans_fail(ctrack_replay, IPPROTO_UDP, (struct sockaddr*)&src);
 					}
 				}

nfq/params.c

@@ -219,6 +219,9 @@ void dp_init(struct desync_profile *dp)
 	LIST_INIT(&dp->ips_collection_exclude);
 	LIST_INIT(&dp->pf_tcp);
 	LIST_INIT(&dp->pf_udp);
+#ifdef HAS_FILTER_SSID
+	LIST_INIT(&dp->filter_ssid);
+#endif
 
 	memcpy(dp->hostspell, "host", 4); // default hostspell
 	dp->desync_skip_nosni = true;

nfq/protocol.c

@@ -52,14 +52,6 @@ bool l7_proto_match(t_l7proto l7proto, uint32_t filter_l7)
 		(l7proto==STUN && (filter_l7 & L7_PROTO_STUN));
 }
 
-#define PM_ABS		0
-#define PM_HOST		1
-#define PM_HOST_END	2
-#define PM_HOST_SLD	3
-#define PM_HOST_MIDSLD	4
-#define PM_HOST_ENDSLD	5
-#define PM_HTTP_METHOD	6
-#define PM_SNI_EXT	7
 bool IsHostMarker(uint8_t posmarker)
 {
 	switch(posmarker)