update docs

Fix build on e2k

.github/workflows/build.yml

@@ -25,27 +25,13 @@ jobs:
           - arch: arm64
             tool: aarch64-unknown-linux-musl
           - arch: arm
-            tool: arm-unknown-linux-musleabi
-          # - arch: armhf
-          #   tool: arm-unknown-linux-musleabihf
-          # - arch: armv7
-          #   tool: armv7-unknown-linux-musleabi
-          # - arch: armv7hf
-          #   tool: armv7-unknown-linux-musleabihf
-          # - arch: mips64el
-          #   tool: mips64el-unknown-linux-musl
+            tool: armv6-unknown-linux-musleabi
           - arch: mips64
             tool: mips64-unknown-linux-musl
-          # - arch: mipsel
-          #   tool: mipsel-unknown-linux-musl
           - arch: mipselsf
             tool: mipsel-unknown-linux-muslsf
-          # - arch: mips
-          #   tool: mips-unknown-linux-musl
           - arch: mipssf
             tool: mips-unknown-linux-muslsf
-          # - arch: ppc64
-          #   tool: powerpc64-unknown-linux-musl
           - arch: ppc
             tool: powerpc-unknown-linux-musl
           - arch: x86
@@ -69,7 +55,7 @@ jobs:
         env:
           ARCH: ${{ matrix.arch }}
           TOOL: ${{ matrix.tool }}
-          REPO: ${{ matrix.arch == 'lexra' && matrix.repo || 'spvkgn/musl-cross' }}
+          REPO: ${{ matrix.arch == 'lexra' && matrix.repo || 'bol-van/musl-cross' }}
           DIR: ${{ matrix.arch == 'lexra' && matrix.dir || matrix.tool }}
         run: |
           if [[ "$ARCH" == lexra ]]; then
@@ -102,6 +88,15 @@ jobs:
           export STRIP=$TARGET-strip
           export PKG_CONFIG_PATH=$DEPS_DIR/lib/pkgconfig
           export STAGING_DIR=$RUNNER_TEMP
+          OPTIMIZE=-Oz
+          case "$ARCH" in
+            lexra)
+              OPTIMIZE=-Os
+              ;;
+            arm)
+              CPU="-mcpu=arm1176jzf-s -mthumb"
+              ;;
+          esac
 
           # netfilter libs
           wget -qO- https://www.netfilter.org/pub/libnfnetlink/libnfnetlink-1.0.2.tar.bz2 | tar -xj
@@ -111,7 +106,7 @@ jobs:
           for i in libmnl libnfnetlink libnetfilter_queue ; do
             (
               cd $i-*
-              CFLAGS="-Os -flto=auto $CFLAGS" \
+              CFLAGS="$OPTIMIZE $CPU -flto=auto $CFLAGS" \
               ./configure --prefix= --host=$TARGET --enable-static --disable-shared --disable-dependency-tracking
               make install -j$(nproc) DESTDIR=$DEPS_DIR
             )
@@ -123,7 +118,7 @@ jobs:
             xargs -I{} wget -qO- https://github.com/madler/zlib/archive/refs/tags/{}.tar.gz | tar -xz
           (
             cd zlib-*
-            CFLAGS="-Os -flto=auto $CFLAGS" \
+            CFLAGS="$OPTIMIZE $CPU -flto=auto $CFLAGS" \
             ./configure --prefix= --static
             make install -j$(nproc) DESTDIR=$DEPS_DIR
           )
@@ -134,7 +129,8 @@ jobs:
           install -Dm644 -t $DEPS_DIR/include/sys /usr/include/x86_64-linux-gnu/sys/queue.h /usr/include/sys/capability.h
 
           # zapret
-          CFLAGS="-DZAPRET_GH_VER=${{ github.ref_name }} -DZAPRET_GH_HASH=${{ github.sha }} -static-libgcc -static -I$DEPS_DIR/include $CFLAGS" \
+          OPTIMIZE=$OPTIMIZE \
+          CFLAGS="-DZAPRET_GH_VER=${{ github.ref_name }} -DZAPRET_GH_HASH=${{ github.sha }} -static-libgcc -static $CPU -I$DEPS_DIR/include $CFLAGS" \
           LDFLAGS="-L$DEPS_DIR/lib $LDFLAGS" \
           make -C zapret -j$(nproc)
           tar -C zapret/binaries/my -cJf zapret-linux-$ARCH.tar.xz .
@@ -340,6 +336,14 @@ jobs:
           export RANLIB=$TOOLCHAIN/bin/llvm-ranlib
           export STRIP=$TOOLCHAIN/bin/llvm-strip
           export PKG_CONFIG_PATH=$DEPS_DIR/lib/pkgconfig
+          case "$ABI" in
+            armeabi-v7a)
+              CPU="-mthumb"
+              ;;
+            arm64-v8a)
+              PAGESIZE="-Wl,-z,max-page-size=16384"
+              ;;
+          esac
 
           # netfilter libs
           wget -qO- https://www.netfilter.org/pub/libnfnetlink/libnfnetlink-1.0.2.tar.bz2 | tar -xj
@@ -350,7 +354,7 @@ jobs:
           for i in libmnl libnfnetlink libnetfilter_queue ; do
             (
               cd $i-*
-              CFLAGS="-Os -flto=auto -Wno-implicit-function-declaration" \
+              CFLAGS="$CPU -Os -flto=auto -Wno-implicit-function-declaration" \
               ./configure --prefix= --host=$TARGET --enable-static --disable-shared --disable-dependency-tracking
               make install -j$(nproc) DESTDIR=$DEPS_DIR
             )
@@ -358,8 +362,8 @@ jobs:
           done
 
           # zapret
-          CFLAGS="-DZAPRET_GH_VER=${{ github.ref_name }} -DZAPRET_GH_HASH=${{ github.sha }} -I$DEPS_DIR/include" \
-          LDFLAGS="-L$DEPS_DIR/lib" \
+          CFLAGS="$CPU -DZAPRET_GH_VER=${{ github.ref_name }} -DZAPRET_GH_HASH=${{ github.sha }} -I$DEPS_DIR/include" \
+          LDFLAGS="-L$DEPS_DIR/lib $PAGESIZE" \
           make -C zapret android -j$(nproc)
 
           # strip unwanted ELF sections to prevent warnings on old Android versions

docs/changes.txt

@@ -568,35 +568,53 @@ nfqws: --wssize-forced-cutoff
 nfqws: --orig-tcp-flags, --dup-tcp-flags, --dpi-desync-tcp-flags
 nfqws: --dup-ip-id
 
-73.3
+72.3
 
 blockcheck: support URIs
 blockcheck: CURL_HTTPS_GET=1 suppresses -I curl option for https (HEAD -> GET)
 
-73.4
+72.4
 
 blockcheck: fix broken dns cache
 
-73.5
+72.5
 
 nfqws: fix broken l7proto profile rediscovery
 nfqws: backport from nfqws2 nl80211 ssid discovery fix for newer kernels
 
-73.6
+72.6
 
 ipset: remove zapret-info based scripts because it's gone
 blockcheck: fix tpws test regression
 
-73.7
+72.7
 
 nfqws,tpws: memleak fix
 mdig: --eagain, --eagain-delay
 
-73.8
+72.8
 
 nfqws: fix breaking tcp if ts fooling is enabled but no timestamps present
 
-73.9
+72.9
 
 blockcheck: fix detection of http redirection if domain/URI specified
 install_easy: fix writing of ask_list variables
+
+72.10
+
+* nfqws2: fix broken wifi ssid update
+* minor AI fixes
+
+72.12
+
+* github: reduce binaries size
+* github: use 16K page size for android arm64 build
+* nfqws: join fragments in quic CRYPTO reconstruction. allow intersections.
+
+72.13
+
+* github: compile armv6. fix idiv illegal instruction on early armv7
+* init.d: add port range for discord media
+* init.d: remove KillMode=none in systemd unit
+

docs/readme.en.md

@@ -4,6 +4,11 @@ This software is free and open source under [MIT license](./LICENSE.txt).
 If anyone demands you to download this software only from their webpage, telegram channel, forces you to delete links, videos, makes copyright claims, you are dealing with scammers.
 However, [donations](#donations) are welcome.
 
+# zapret2
+
+zapret 1 is EOL (End-Of-Life). Will be no more new features, no PR will be accepted.
+Current version is [zapret2](https://github.com/bol-van/zapret2).
+
 # Multilanguage/Мультиязычный README
 ___
 [![en](https://img.shields.io/badge/lang-en-red.svg)](https://github.com/bol-van/zapret/tree/master/docs/readme.en.md)

docs/readme.md

@@ -6,7 +6,7 @@ zapret является свободным и open source.
 
 # zapret2
 
-Эта версия zapret более не развивается и находится в режиме EOL (End-Of-Life). Никаких новых функций больше не будет. Только багфиксы.
+Эта версия zapret более не развивается и находится в режиме EOL (End-Of-Life). Никаких новых функций больше не будет. Только багфиксы. Pull реквесты с новыми фичами не принимаются.
 
 [Актуальная версия - zapret 2](https://github.com/bol-van/zapret2)
 

init.d/custom.d.examples.linux/50-discord-media

@@ -3,7 +3,7 @@
 
 # can override in config :
 NFQWS_OPT_DESYNC_DISCORD_MEDIA="${NFQWS_OPT_DESYNC_DISCORD_MEDIA:---dpi-desync=fake --dpi-desync-repeats=2}"
-DISCORD_MEDIA_PORT_RANGE="${DISCORD_MEDIA_PORT_RANGE:-50000-50099}"
+DISCORD_MEDIA_PORT_RANGE="${DISCORD_MEDIA_PORT_RANGE:-50000-50099,19294-19344}"
 
 alloc_dnum DNUM_DISCORD_MEDIA
 alloc_qnum QNUM_DISCORD_MEDIA
@@ -21,7 +21,7 @@ zapret_custom_firewall()
 
 	local DISABLE_IPV6=1
 	local port_range=$(replace_char - : $DISCORD_MEDIA_PORT_RANGE)
-	local f="-p udp --dport $port_range -m u32 --u32"
+	local f="-p udp -m multiport --dports $port_range -m u32 --u32"
 	# this is simplified test to skip writing monstrous rule. instead of checking 64 bytes for zeroes only check 2 dwords for zero
 	fw_nfqws_post $1 "$f 0>>22&0x3C@4>>16=0x52&&0>>22&0x3C@8=0x00010046&&0>>22&0x3C@16=0&&0>>22&0x3C@76=0" '' $QNUM_DISCORD_MEDIA
 }
@@ -30,6 +30,7 @@ zapret_custom_firewall_nft()
         # stop logic is not required
 
 	local DISABLE_IPV6=1
-	local f="udp dport $DISCORD_MEDIA_PORT_RANGE udp length == 82 @ih,0,32 0x00010046 @ih,64,128 0x00000000000000000000000000000000 @ih,192,128 0x00000000000000000000000000000000 @ih,320,128 0x00000000000000000000000000000000 @ih,448,128 0x00000000000000000000000000000000"
+	local f="udp dport {$DISCORD_MEDIA_PORT_RANGE} udp length == 82 @ih,0,32 0x00010046 @ih,64,128 0x00000000000000000000000000000000 @ih,192,128 0x00000000000000000000000000000000 @ih,320,128 0x00000000000000000000000000000000 @ih,448,128 0x00000000000000000000000000000000"
+
 	nft_fw_nfqws_post "$f" '' $QNUM_DISCORD_MEDIA
 }

init.d/systemd/zapret.service

@@ -7,7 +7,6 @@ Type=forking
 Restart=no
 TimeoutSec=30sec
 IgnoreSIGPIPE=no
-KillMode=none
 GuessMainPID=no
 RemainAfterExit=no
 ExecStart=/opt/zapret/init.d/sysv/zapret start

init.d/windivert.filter.examples/windivert_part.discord_media.txt

@@ -1,5 +1,5 @@
   outbound and ip and
-  udp.DstPort>=50000 and udp.DstPort<=50099 and
+  (udp.DstPort>=50000 and udp.DstPort<=50099 or udp.DstPort>=19294 and udp.DstPort<=19344) and
   udp.PayloadLength=74 and
   udp.Payload32[0]=0x00010046 and
   udp.Payload32[2]=0 and

nfq/Makefile

@@ -1,10 +1,15 @@
 CC ?= cc
 OPTIMIZE ?= -Os
-CFLAGS += -std=gnu99 $(OPTIMIZE) -flto=auto
+CFLAGS += -std=gnu99 $(OPTIMIZE) -flto=auto -ffunction-sections -fdata-sections
 CFLAGS_SYSTEMD = -DUSE_SYSTEMD
 CFLAGS_BSD = -Wno-address-of-packed-member
 CFLAGS_CYGWIN = -Wno-address-of-packed-member -static
-LDFLAGS_ANDROID = -llog
+LDFLAGS += -flto=auto
+LDFLAGS_ANDROID = -Wl,--gc-sections -llog
+LDFLAGS_BSD = -Wl,--gc-sections
+LDFLAGS_LINUX = -Wl,--gc-sections
+LDFLAGS_MAC = -Wl,-dead_strip
+LDFLAGS_WIN = -Wl,--gc-sections
 LIBS_LINUX = -lz -lnetfilter_queue -lnfnetlink -lmnl
 LIBS_SYSTEMD = -lsystemd
 LIBS_BSD = -lz
@@ -18,28 +23,28 @@ SRC_FILES = *.c crypto/*.c
 all: nfqws
 
 nfqws: $(SRC_FILES)
-	$(CC) -s $(CFLAGS) -o nfqws $(SRC_FILES) $(LIBS_LINUX) $(LDFLAGS)
+	$(CC) -s $(CFLAGS) -o nfqws $(SRC_FILES) $(LIBS_LINUX) $(LDFLAGS) $(LDFLAGS_LINUX)
 
 systemd: $(SRC_FILES)
-	$(CC) -s $(CFLAGS) $(CFLAGS_SYSTEMD) -o nfqws $(SRC_FILES) $(LIBS_LINUX) $(LIBS_SYSTEMD) $(LDFLAGS)
+	$(CC) -s $(CFLAGS) $(CFLAGS_SYSTEMD) -o nfqws $(SRC_FILES) $(LIBS_LINUX) $(LIBS_SYSTEMD) $(LDFLAGS) $(LDFLAGS_LINUX)
 
 android: $(SRC_FILES)
 	$(CC) -s $(CFLAGS) -o nfqws $(SRC_FILES) $(LIBS_LINUX) $(LDFLAGS) $(LDFLAGS_ANDROID)
 
 bsd: $(SRC_FILES)
-	$(CC) -s $(CFLAGS) $(CFLAGS_BSD) -o dvtws $(SRC_FILES) $(LIBS_BSD) $(LDFLAGS)
+	$(CC) -s $(CFLAGS) $(CFLAGS_BSD) -o dvtws $(SRC_FILES) $(LIBS_BSD) $(LDFLAGS) $(LDFLAGS_BSD)
 
 mac: $(SRC_FILES)
-	$(CC) $(CFLAGS) $(CFLAGS_BSD) -o dvtwsa $(SRC_FILES) -target arm64-apple-macos10.8 $(LIBS_BSD) $(LDFLAGS)
-	$(CC) $(CFLAGS) $(CFLAGS_BSD) -o dvtwsx $(SRC_FILES) -target x86_64-apple-macos10.8 $(LIBS_BSD) $(LDFLAGS)
+	$(CC) $(CFLAGS) $(CFLAGS_BSD) -o dvtwsa $(SRC_FILES) -target arm64-apple-macos10.8 $(LIBS_BSD) $(LDFLAGS) $(LDFLAGS_MAC)
+	$(CC) $(CFLAGS) $(CFLAGS_BSD) -o dvtwsx $(SRC_FILES) -target x86_64-apple-macos10.8 $(LIBS_BSD) $(LDFLAGS) $(LDFLAGS_MAC)
 	strip dvtwsa dvtwsx
 	lipo -create -output dvtws dvtwsx dvtwsa
 	rm -f dvtwsx dvtwsa
 
 cygwin64:
-	$(CC) -s $(CFLAGS) $(CFLAGS_CYGWIN) -o winws $(SRC_FILES) $(LIBS_CYGWIN) $(LIBS_CYGWIN64) $(RES_CYGWIN64) $(LDFLAGS)
+	$(CC) -s $(CFLAGS) $(CFLAGS_CYGWIN) -o winws $(SRC_FILES) $(LIBS_CYGWIN) $(LIBS_CYGWIN64) $(RES_CYGWIN64) $(LDFLAGS) $(LDFLAGS_WIN)
 cygwin32:
-	$(CC) -s $(CFLAGS) $(CFLAGS_CYGWIN) -o winws $(SRC_FILES) $(LIBS_CYGWIN) $(LIBS_CYGWIN32) $(RES_CYGWIN32) $(LDFLAGS)
+	$(CC) -s $(CFLAGS) $(CFLAGS_CYGWIN) -o winws $(SRC_FILES) $(LIBS_CYGWIN) $(LIBS_CYGWIN32) $(RES_CYGWIN32) $(LDFLAGS) $(LDFLAGS_WIN)
 cygwin: cygwin64
 
 clean:

nfq/crypto/gcm.h

@@ -29,7 +29,6 @@
 
 #if defined(_MSC_VER)
 #include <basetsd.h>
-typedef unsigned int size_t;// use the right type for length declarations
 typedef UINT32 uint32_t;
 typedef UINT64 uint64_t;
 #else

nfq/helpers.c

@@ -221,7 +221,8 @@ void print_sockaddr(const struct sockaddr *sa)
 
 bool pton4_port(const char *s, struct sockaddr_in *sa)
 {
-	char ip[16],*p;
+	char ip[16];
+	const char *p;
 	size_t l;
 	unsigned int u;
 
@@ -241,7 +242,8 @@ bool pton4_port(const char *s, struct sockaddr_in *sa)
 }
 bool pton6_port(const char *s, struct sockaddr_in6 *sa)
 {
-	char ip[40],*p;
+	char ip[40];
+	const char *p;
 	size_t l;
 	unsigned int u;
 

nfq/nfqws.c

@@ -3169,7 +3169,7 @@ int main(int argc, char **argv)
 			}
 			break;
 		case IDX_HOSTLIST_AUTO_FAIL_THRESHOLD:
-			dp->hostlist_auto_fail_threshold = (uint8_t)atoi(optarg);
+			dp->hostlist_auto_fail_threshold = atoi(optarg);
 			if (dp->hostlist_auto_fail_threshold < 1 || dp->hostlist_auto_fail_threshold>20)
 			{
 				DLOG_ERR("auto hostlist fail threshold must be within 1..20\n");
@@ -3177,7 +3177,7 @@ int main(int argc, char **argv)
 			}
 			break;
 		case IDX_HOSTLIST_AUTO_FAIL_TIME:
-			dp->hostlist_auto_fail_time = (uint8_t)atoi(optarg);
+			dp->hostlist_auto_fail_time = atoi(optarg);
 			if (dp->hostlist_auto_fail_time < 1)
 			{
 				DLOG_ERR("auto hostlist fail time is not valid\n");
@@ -3185,7 +3185,7 @@ int main(int argc, char **argv)
 			}
 			break;
 		case IDX_HOSTLIST_AUTO_RETRANS_THRESHOLD:
-			dp->hostlist_auto_retrans_threshold = (uint8_t)atoi(optarg);
+			dp->hostlist_auto_retrans_threshold = atoi(optarg);
 			if (dp->hostlist_auto_retrans_threshold < 2 || dp->hostlist_auto_retrans_threshold>10)
 			{
 				DLOG_ERR("auto hostlist fail threshold must be within 2..10\n");

nfq/params.c

@@ -50,7 +50,7 @@ static char log_buf[1024];
 static size_t log_buf_sz=0;
 static void syslog_log_function(int priority, const char *line)
 {
-	syslog(priority,"%s",log_buf);
+	syslog(priority,"%s",line);
 }
 #ifdef __ANDROID__
 static enum android_LogPriority syslog_priority_to_android(int priority)

nfq/protocol.c

@@ -587,7 +587,7 @@ static uint8_t tvb_get_varint(const uint8_t *tvb, uint64_t *value)
 		return 8;
 	}
 	// impossible case
-	if (*value) *value = 0;
+	if (value) *value = 0;
 	return 0;
 }
 static uint8_t tvb_get_size(uint8_t tvb)
@@ -866,7 +866,7 @@ bool QUICDefragCrypto(const uint8_t *clean,size_t clean_len, uint8_t *defrag,siz
 	uint64_t offset,sz,szmax=0,zeropos=0,pos=0;
 	bool found=false;
 	struct range64 ranges[MAX_DEFRAG_PIECES];
-	int i,range=0;
+	int i,j,range=0;
 
 	while(pos<clean_len)
 	{
@@ -888,24 +888,54 @@ bool QUICDefragCrypto(const uint8_t *clean,size_t clean_len, uint8_t *defrag,siz
 			if ((pos+sz)>clean_len) return false;
 
 			if ((offset+sz)>defrag_data_len) return false; // defrag buf overflow
+
+			// remove exact duplicates early to save cpu
+			for(i=0;i<range;i++)
+				if (ranges[i].offset==offset && ranges[i].len==sz)
+					goto skip_range;
+
 			if (zeropos < offset)
 				// make sure no uninitialized gaps exist in case of not full fragment coverage
 				memset(defrag_data+zeropos,0,offset-zeropos);
 			if ((offset+sz) > zeropos)
 				zeropos=offset+sz;
-			memcpy(defrag_data+offset,clean+pos,sz);
-			if ((offset+sz) > szmax) szmax = offset+sz;
 
 			found=true;
-			pos+=sz;
-
+			if ((offset+sz) > szmax) szmax = offset+sz;
+			memcpy(defrag_data+offset,clean+pos,sz);
 			ranges[range].offset = offset;
 			ranges[range].len = sz;
 			range++;
+skip_range:
+			pos+=sz;
 		}
 	}
 	if (found)
 	{
+		qsort(ranges, range, sizeof(*ranges), cmp_range64);
+
+//		for(i=0 ; i<range ; i++)
+//			printf("range1 %llu-%llu\n",ranges[i].offset,ranges[i].offset+ranges[i].len);
+
+		if (range>0)
+		{
+			for (j=0,i=1; i < range; i++)
+			{
+				uint64_t current_end = ranges[j].offset + ranges[j].len;
+				uint64_t next_start = ranges[i].offset;
+				uint64_t next_end = ranges[i].offset + ranges[i].len;
+
+				if (next_start <= current_end)
+					ranges[j].len = MAX(next_end,current_end) - ranges[j].offset;
+				else
+					ranges[++j] = ranges[i];
+			}
+			range = j+1;
+		}
+
+//		for(i=0 ; i<range ; i++)
+//			printf("range2 %llu-%llu\n",ranges[i].offset,ranges[i].offset+ranges[i].len);
+
 		defrag[0] = 6;
 		defrag[1] = 0; // offset
 		// 2..9 - length 64 bit
@@ -914,21 +944,7 @@ bool QUICDefragCrypto(const uint8_t *clean,size_t clean_len, uint8_t *defrag,siz
 		defrag[2] |= 0xC0; // 64 bit value
 		*defrag_len = (size_t)(szmax+10);
 
-		qsort(ranges, range, sizeof(*ranges), cmp_range64);
-
-		//for(i=0 ; i<range ; i++)
-		//	printf("RANGE %zu len %zu\n",ranges[i].offset,ranges[i].len);
-
-		for(i=0,offset=0,*bFull=true ; i<range ; i++)
-		{
-			if (ranges[i].offset!=offset)
-			{
-				*bFull = false;
-				break;
-			}
-			offset += ranges[i].len;
-		}
-
+		*bFull = range==1 && !ranges[0].offset;
 		//printf("bFull=%u\n",*bFull);
 	}
 	return found;
@@ -975,6 +991,8 @@ bool IsQUICInitial(const uint8_t *data, size_t len)
 	if (data[offset] > QUIC_MAX_CID_LENGTH) return false;
 	offset += 1 + data[offset];
 
+	if (offset>=len) return false;
+
 	// SCID
 	if (data[offset] > QUIC_MAX_CID_LENGTH) return false;
 	offset += 1 + data[offset];

nfq/sec.h

@@ -95,6 +95,10 @@ bool dropcaps(void);
 
 # define ARCH_NR AUDIT_ARCH_LOONGARCH64
 
+#elif defined(__e2k__)
+
+# define ARCH_NR	AUDIT_ARCH_E2K
+
 #else
 
 # error "Platform does not support seccomp filter yet"

nfq/win.h

@@ -4,7 +4,7 @@
 
 #include <stdbool.h>
 
-bool service_run();
+bool service_run(int argc, char *argv[]);
 
 #endif
 

tpws/Makefile

@@ -1,9 +1,13 @@
 CC ?= cc
 OPTIMIZE ?= -Os
-CFLAGS += -std=gnu99 $(OPTIMIZE) -flto=auto
+CFLAGS += -std=gnu99 $(OPTIMIZE) -flto=auto -ffunction-sections -fdata-sections
 CFLAGS_SYSTEMD = -DUSE_SYSTEMD
 CFLAGS_BSD = -Wno-address-of-packed-member
-LDFLAGS_ANDROID = -llog
+LDFLAGS += -flto=auto
+LDFLAGS_ANDROID = -Wl,--gc-sections -llog
+LDFLAGS_BSD = -Wl,--gc-sections
+LDFLAGS_LINUX = -Wl,--gc-sections
+LDFLAGS_MAC = -Wl,-dead_strip
 LIBS = -lz -lpthread
 LIBS_SYSTEMD = -lsystemd
 LIBS_ANDROID = -lz
@@ -13,20 +17,20 @@ SRC_FILES_ANDROID = $(SRC_FILES) andr/*.c
 all: tpws
 
 tpws: $(SRC_FILES)
-	$(CC) -s $(CFLAGS) -o tpws $(SRC_FILES) $(LIBS) $(LDFLAGS)
+	$(CC) -s $(CFLAGS) -o tpws $(SRC_FILES) $(LIBS) $(LDFLAGS) $(LDFLAGS_LINUX)
 
 systemd: $(SRC_FILES)
-	$(CC) -s $(CFLAGS) $(CFLAGS_SYSTEMD) -o tpws $(SRC_FILES) $(LIBS) $(LIBS_SYSTEMD) $(LDFLAGS)
+	$(CC) -s $(CFLAGS) $(CFLAGS_SYSTEMD) -o tpws $(SRC_FILES) $(LIBS) $(LIBS_SYSTEMD) $(LDFLAGS) $(LDFLAGS_LINUX)
 
 android: $(SRC_FILES)
 	$(CC) -s $(CFLAGS) -o tpws $(SRC_FILES_ANDROID) $(LIBS_ANDROID) $(LDFLAGS) $(LDFLAGS_ANDROID)
 
 bsd: $(SRC_FILES)
-	$(CC) -s $(CFLAGS) $(CFLAGS_BSD) -Iepoll-shim/include -o tpws $(SRC_FILES) epoll-shim/src/*.c $(LIBS) $(LDFLAGS)
+	$(CC) -s $(CFLAGS) $(CFLAGS_BSD) -Iepoll-shim/include -o tpws $(SRC_FILES) epoll-shim/src/*.c $(LIBS) $(LDFLAGS) $(LDFLAGS_BSD)
 
 mac: $(SRC_FILES)
-	$(CC) $(CFLAGS) $(CFLAGS_BSD) -Iepoll-shim/include -Imacos -o tpwsa -target arm64-apple-macos10.8 $(SRC_FILES) epoll-shim/src/*.c $(LIBS) $(LDFLAGS)
-	$(CC) $(CFLAGS) $(CFLAGS_BSD) -Iepoll-shim/include -Imacos -o tpwsx -target x86_64-apple-macos10.8 $(SRC_FILES) epoll-shim/src/*.c $(LIBS) $(LDFLAGS)
+	$(CC) $(CFLAGS) $(CFLAGS_BSD) -Iepoll-shim/include -Imacos -o tpwsa -target arm64-apple-macos10.8 $(SRC_FILES) epoll-shim/src/*.c $(LIBS) $(LDFLAGS) $(LDFLAGS_MAC)
+	$(CC) $(CFLAGS) $(CFLAGS_BSD) -Iepoll-shim/include -Imacos -o tpwsx -target x86_64-apple-macos10.8 $(SRC_FILES) epoll-shim/src/*.c $(LIBS) $(LDFLAGS) $(LDFLAGS_MAC)
 	strip tpwsa tpwsx
 	lipo -create -output tpws tpwsx tpwsa
 	rm -f tpwsx tpwsa

tpws/params.h

@@ -74,7 +74,7 @@ struct desync_profile
 	struct hostlist_collection_head hl_collection, hl_collection_exclude;
 	// pointer to autohostlist. NULL if no autohostlist for the profile.
 	struct hostlist_file *hostlist_auto;
-	int hostlist_auto_fail_threshold, hostlist_auto_fail_time, hostlist_auto_retrans_threshold;
+	int hostlist_auto_fail_threshold, hostlist_auto_fail_time;
 
 	hostfail_pool *hostlist_auto_fail_counters;
 };

tpws/sec.h

@@ -97,6 +97,10 @@ bool dropcaps(void);
 
 # define ARCH_NR AUDIT_ARCH_LOONGARCH64
 
+#elif defined(__e2k__)
+
+# define ARCH_NR	AUDIT_ARCH_E2K
+
 #else
 
 # error "Platform does not support seccomp filter yet"

tpws/tpws.c

@@ -1273,7 +1273,7 @@ void parse_params(int argc, char *argv[])
 			params.tamper = true; // need to detect blocks and update autohostlist. cannot just slice.
 			break;
 		case IDX_HOSTLIST_AUTO_FAIL_THRESHOLD:
-			dp->hostlist_auto_fail_threshold = (uint8_t)atoi(optarg);
+			dp->hostlist_auto_fail_threshold = atoi(optarg);
 			if (dp->hostlist_auto_fail_threshold<1 || dp->hostlist_auto_fail_threshold>20)
 			{
 				DLOG_ERR("auto hostlist fail threshold must be within 1..20\n");
@@ -1281,7 +1281,7 @@ void parse_params(int argc, char *argv[])
 			}
 			break;
 		case IDX_HOSTLIST_AUTO_FAIL_TIME:
-			dp->hostlist_auto_fail_time = (uint8_t)atoi(optarg);
+			dp->hostlist_auto_fail_time = atoi(optarg);
 			if (dp->hostlist_auto_fail_time<1)
 			{
 				DLOG_ERR("auto hostlist fail time is not valid\n");

tpws/tpws_conn.c

@@ -835,8 +835,6 @@ static bool handle_unsent(tproxy_conn_t *conn)
 
 static bool proxy_mode_connect_remote(tproxy_conn_t *conn, struct tailhead *conn_list)
 {
-	int remote_fd;
-
 	if (params.debug>=1)
 	{
 		char ip_port[48];
@@ -850,9 +848,8 @@ static bool proxy_mode_connect_remote(tproxy_conn_t *conn, struct tailhead *conn
 		return false;
 	}
 
-	if (!(conn->partner = new_conn(remote_fd, true)))
+	if (!(conn->partner = new_conn(0, true)))
 	{
-		close(remote_fd);
 		DLOG_ERR("socks out-of-memory (1)\n");
 		socks_send_rep(conn->socks_ver, conn->fd, S5_REP_GENERAL_FAILURE);
 		return false;