Truncated history

This commit is contained in:
bol-van
2024-10-28 09:32:24 +03:00
commit 2aaa2f7cf3
300 changed files with 43184 additions and 0 deletions

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# this custom script applies nfqws mode as it would be with MODE=nfqws
OVERRIDE=nfqws
zapret_custom_daemons()
{
# $1 - 1 - run, 0 - stop
MODE_OVERRIDE=$OVERRIDE zapret_do_daemons $1
}
zapret_custom_firewall()
{
# $1 - 1 - run, 0 - stop
MODE_OVERRIDE=$OVERRIDE zapret_do_firewall_rules_ipt $1
}
zapret_custom_firewall_nft()
{
# stop logic is not required
MODE_OVERRIDE=$OVERRIDE zapret_apply_firewall_rules_nft
}

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# this custom script applies tpws mode as it would be with MODE=tpws
OVERRIDE=tpws
zapret_custom_daemons()
{
# $1 - 1 - run, 0 - stop
MODE_OVERRIDE=$OVERRIDE zapret_do_daemons $1
}
zapret_custom_firewall()
{
# $1 - 1 - run, 0 - stop
MODE_OVERRIDE=$OVERRIDE zapret_do_firewall_rules_ipt $1
}
zapret_custom_firewall_nft()
{
# stop logic is not required
MODE_OVERRIDE=$OVERRIDE zapret_apply_firewall_rules_nft
}

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# this custom script applies tpws-socks mode as it would be with MODE=tpws-socks
OVERRIDE=tpws-socks
zapret_custom_daemons()
{
# $1 - 1 - run, 0 - stop
MODE_OVERRIDE=$OVERRIDE zapret_do_daemons $1
}
zapret_custom_firewall()
{
# $1 - 1 - run, 0 - stop
MODE_OVERRIDE=$OVERRIDE zapret_do_firewall_rules_ipt $1
}
zapret_custom_firewall_nft()
{
# stop logic is not required
MODE_OVERRIDE=$OVERRIDE zapret_apply_firewall_rules_nft
}

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# this custom script runs desync to DHT packets with udp payload length 101..399 , without ipset/hostlist filtering
# need to add to config : NFQWS_OPT_DESYNC_DHT="--dpi-desync=fake --dpi-desync-ttl=5"
DNUM=101
QNUM2=$(($DNUM * 5))
zapret_custom_daemons()
{
# stop logic is managed by procd
local opt="--qnum=$QNUM2 $NFQWS_OPT_BASE $NFQWS_OPT_DESYNC_DHT"
do_nfqws $1 $DNUM "$opt"
}
zapret_custom_firewall()
{
# $1 - 1 - run, 0 - stop
local f uf4 uf6
local first_packet_only="$ipt_connbytes 1:1"
local desync="-m mark ! --mark $DESYNC_MARK/$DESYNC_MARK"
f='-p udp -m length --length 109:407 -m u32 --u32'
uf4='0>>22&0x3C@8>>16=0x6431'
uf6='48>>16=0x6431'
fw_nfqws_post $1 "$f $uf4 $desync $first_packet_only" "$f $uf6 $desync $first_packet_only" $QNUM2
}
zapret_custom_firewall_nft()
{
# stop logic is not required
local f
local first_packet_only="$nft_connbytes 1"
local desync="mark and $DESYNC_MARK == 0"
f="meta length 109-407 meta l4proto udp @th,64,16 0x6431"
nft_fw_nfqws_post "$f $desync $first_packet_only" "$f $desync $first_packet_only" $QNUM2
}

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# this custom script runs desync to all QUIC initial packets, without ipset/hostlist filtering
# need to add to config : NFQWS_OPT_DESYNC_QUIC="--dpi-desync=fake"
# NOTE : do not use TTL fooling. chromium QUIC engine breaks sessions if TTL expired in transit received
DNUM=102
QNUM2=$(($DNUM * 5))
zapret_custom_daemons()
{
# $1 - 1 - run, 0 - stop
local opt="--qnum=$QNUM2 $NFQWS_OPT_BASE $NFQWS_OPT_DESYNC_QUIC"
do_nfqws $1 $DNUM "$opt"
}
zapret_custom_firewall()
{
# $1 - 1 - run, 0 - stop
local f
local first_packets_only="$ipt_connbytes 1:3"
local desync="-m mark ! --mark $DESYNC_MARK/$DESYNC_MARK"
f="-p udp -m multiport --dports $QUIC_PORTS_IPT"
fw_nfqws_post $1 "$f $desync $first_packets_only" "$f $desync $first_packets_only" $QNUM2
}
zapret_custom_firewall_nft()
{
# stop logic is not required
local f
local first_packets_only="$nft_connbytes 1-3"
local desync="mark and $DESYNC_MARK == 0"
f="udp dport {$QUIC_PORTS}"
nft_fw_nfqws_post "$f $desync $first_packets_only" "$f $desync $first_packets_only" $QNUM2
}

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# this custom script demonstrates how to apply tpws to http and nfqws to https
# it preserves config settings : MODE_HTTP, MODE_HTTPS, MODE_FILTER, TPWS_OPT, NFQWS_OPT_DESYNC, NFQWS_OPT_DESYNC_HTTPS
zapret_custom_daemons()
{
# $1 - 1 - run, 0 - stop
local opt
[ "$MODE_HTTP" = "1" ] && {
opt="--port=$TPPORT $TPWS_OPT"
filter_apply_hostlist_target opt
filter_apply_suffix opt "$TPWS_OPT_SUFFIX"
do_tpws $1 1 "$opt"
}
[ "$MODE_HTTPS" = "1" ] && {
opt="--qnum=$QNUM $NFQWS_OPT_DESYNC_HTTPS"
filter_apply_hostlist_target opt
filter_apply_suffix opt "$NFQWS_OPT_DESYNC_HTTPS_SUFFIX"
do_nfqws $1 2 "$opt"
}
}
zapret_custom_firewall()
{
# $1 - 1 - run, 0 - stop
local f4 f6
local first_packet_only="$ipt_connbytes 1:$(first_packets_for_mode)"
local desync="-m mark ! --mark $DESYNC_MARK/$DESYNC_MARK"
[ "$MODE_HTTP" = "1" ] && {
f4="-p tcp -m multiport --dports $HTTP_PORTS_IPT"
f6=$f4
filter_apply_ipset_target f4 f6
fw_tpws $1 "$f4" "$f6" $TPPORT
}
[ "$MODE_HTTPS" = "1" ] && {
f4="-p tcp -m multiport --dports $HTTPS_PORTS_IPT $first_packet_only"
f6=$f4
filter_apply_ipset_target f4 f6
fw_nfqws_post $1 "$f4 $desync" "$f6 $desync" $QNUM
# for modes that require incoming traffic
fw_reverse_nfqws_rule $1 "$f4" "$f6" $QNUM
}
}
zapret_custom_firewall_nft()
{
# stop logic is not required
local f4 f6
local first_packet_only="$nft_connbytes 1-$(first_packets_for_mode)"
local desync="mark and $DESYNC_MARK == 0"
[ "$MODE_HTTP" = "1" ] && {
f4="tcp dport {$HTTP_PORTS}"
f6=$f4
nft_filter_apply_ipset_target f4 f6
nft_fw_tpws "$f4" "$f6" $TPPORT
}
[ "$MODE_HTTPS" = "1" ] && {
f4="tcp dport {$HTTPS_PORTS} $first_packet_only"
f6=$f4
nft_filter_apply_ipset_target f4 f6
nft_fw_nfqws_post "$f4 $desync" "$f6 $desync" $QNUM
# for modes that require incoming traffic
nft_fw_reverse_nfqws_rule "$f4" "$f6" $QNUM
}
}

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357
init.d/sysv/functions Normal file
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# init script functions library for desktop linux systems
ZAPRET_BASE=${ZAPRET_BASE:-/opt/zapret}
ZAPRET_RW=${ZAPRET_RW:-"$ZAPRET_BASE"}
ZAPRET_CONFIG=${ZAPRET_CONFIG:-"$ZAPRET_RW/config"}
. "$ZAPRET_CONFIG"
. "$ZAPRET_BASE/common/base.sh"
. "$ZAPRET_BASE/common/fwtype.sh"
. "$ZAPRET_BASE/common/queue.sh"
. "$ZAPRET_BASE/common/linux_iphelper.sh"
. "$ZAPRET_BASE/common/ipt.sh"
. "$ZAPRET_BASE/common/nft.sh"
. "$ZAPRET_BASE/common/linux_fw.sh"
. "$ZAPRET_BASE/common/list.sh"
. "$ZAPRET_BASE/common/custom.sh"
CUSTOM_DIR="$ZAPRET_RW/init.d/sysv"
user_exists()
{
id -u $1 >/dev/null 2>/dev/null
}
useradd_compat()
{
# $1 - username
# skip for readonly systems
[ -w "/etc" ] && {
if exists useradd ; then
useradd --no-create-home --system --shell /bin/false $1
elif is_linked_to_busybox adduser ; then
# some systems may miss nogroup group in /etc/group
# adduser fails if it's absent and no group is specified
addgroup nogroup 2>/dev/null
# busybox has special adduser syntax
adduser -S -H -D $1
elif exists adduser; then
adduser --no-create-home --system --disabled-login $1
fi
}
user_exists $1
}
prepare_user()
{
# $WS_USER is required to prevent redirection of the traffic originating from TPWS itself
# otherwise infinite loop will occur
# also its good idea not to run tpws as root
user_exists $WS_USER || {
# fallback to daemon if we cant add WS_USER
useradd_compat $WS_USER || {
for user in daemon nobody; do
user_exists $user && {
WS_USER=$user
return 0
}
done
return 1
}
}
}
# this complex user selection allows to survive in any locked/readonly/minimalistic environment
[ -n "$WS_USER" ] || WS_USER=tpws
if prepare_user; then
USEROPT="--user=$WS_USER"
else
WS_USER=1
USEROPT="--uid $WS_USER:$WS_USER"
fi
PIDDIR=/var/run
IPSET_CR="$ZAPRET_BASE/ipset/create_ipset.sh"
[ -n "$DESYNC_MARK" ] || DESYNC_MARK=0x40000000
[ -n "$DESYNC_MARK_POSTNAT" ] || DESYNC_MARK_POSTNAT=0x20000000
[ -n "$QNUM" ] || QNUM=200
[ -n "$NFQWS" ] || NFQWS="$ZAPRET_BASE/nfq/nfqws"
NFQWS_OPT_BASE="$USEROPT --dpi-desync-fwmark=$DESYNC_MARK"
apply_unspecified_desync_modes
[ -n "$TPPORT" ] || TPPORT=988
[ -n "$TPWS" ] || TPWS="$ZAPRET_BASE/tpws/tpws"
TPWS_LOCALHOST4=127.0.0.127
TPWS_OPT_BASE="$USEROPT"
TPWS_OPT_BASE4="--bind-addr=$TPWS_LOCALHOST4"
TPWS_OPT_BASE6="--bind-addr=::1"
TPWS_WAIT="--bind-wait-ifup=30 --bind-wait-ip=30"
TPWS_WAIT_SOCKS6="$TPWS_WAIT --bind-wait-ip-linklocal=30"
# first wait for lan to ifup, then wait for bind-wait-ip-linklocal seconds for link local address and bind-wait-ip for any ipv6 as the worst case
TPWS_OPT_BASE6_PRE="--bind-linklocal=prefer $TPWS_WAIT --bind-wait-ip-linklocal=3"
# max wait time for the link local ipv6 on the LAN interface
LINKLOCAL_WAIT_SEC=5
IPSET_EXCLUDE="-m set ! --match-set nozapret"
IPSET_EXCLUDE6="-m set ! --match-set nozapret6"
dnat6_target()
{
_dnat6_target "$@"
}
set_route_localnet()
{
_set_route_localnet $1 "$IFACE_LAN"
}
fw_nfqws_post4()
{
_fw_nfqws_post4 $1 "$2" $3 "$IFACE_WAN"
}
fw_nfqws_post6()
{
_fw_nfqws_post6 $1 "$2" $3 "${IFACE_WAN6:-$IFACE_WAN}"
}
fw_nfqws_pre4()
{
_fw_nfqws_pre4 $1 "$2" $3 "$IFACE_WAN"
}
fw_nfqws_pre6()
{
_fw_nfqws_pre6 $1 "$2" $3 "${IFACE_WAN6:-$IFACE_WAN}"
}
fw_tpws4()
{
_fw_tpws4 $1 "$2" $3 "$IFACE_LAN" "$IFACE_WAN"
}
fw_tpws6()
{
_fw_tpws6 $1 "$2" $3 "$IFACE_LAN" "${IFACE_WAN6:-$IFACE_WAN}"
}
nft_fw_tpws4()
{
_nft_fw_tpws4 "$1" $2 "$IFACE_WAN"
}
nft_fw_tpws6()
{
_nft_fw_tpws6 "$1" $2 "$IFACE_LAN" "${IFACE_WAN6:-$IFACE_WAN}"
}
nft_fw_nfqws_post4()
{
_nft_fw_nfqws_post4 "$1" $2 "$IFACE_WAN"
}
nft_fw_nfqws_post6()
{
_nft_fw_nfqws_post6 "$1" $2 "${IFACE_WAN6:-$IFACE_WAN}"
}
nft_fw_nfqws_pre4()
{
_nft_fw_nfqws_pre4 "$1" $2 "$IFACE_WAN"
}
nft_fw_nfqws_pre6()
{
_nft_fw_nfqws_pre6 "$1" $2 "${IFACE_WAN6:-$IFACE_WAN}"
}
nft_fill_ifsets_overload()
{
nft_fill_ifsets "$IFACE_LAN" "$IFACE_WAN" "${IFACE_WAN6:-$IFACE_WAN}"
}
run_daemon()
{
# $1 - daemon number : 1,2,3,...
# $2 - daemon
# $3 - daemon args
# use $PIDDIR/$DAEMONBASE$1.pid as pidfile
local DAEMONBASE="$(basename "$2")"
local PIDFILE=$PIDDIR/$DAEMONBASE$1.pid
echo "Starting daemon $1: $2 $3"
if exists start-stop-daemon ; then
start-stop-daemon -S -p "$PIDFILE" -m -b -x "$2" -- $3
else
if [ -f "$PIDFILE" ] && pgrep -F "$PIDFILE" "$DAEMONBASE" >/dev/null; then
echo already running
else
"$2" $3 >/dev/null 2>/dev/null &
PID=$!
if [ -n "$PID" ]; then
echo $PID >$PIDFILE
else
echo could not start daemon $1 : $2 $3
false
fi
fi
fi
}
stop_daemon()
{
# $1 - daemon number : 1,2,3,...
# $2 - daemon
# use $PIDDIR/$DAEMONBASE$1.pid as pidfile
local DAEMONBASE="$(basename "$2")"
local PIDFILE=$PIDDIR/$DAEMONBASE$1.pid
echo "Stopping daemon $1: $2"
if exists start-stop-daemon ; then
start-stop-daemon -K -p "$PIDFILE" -x "$2"
else
if [ -f "$PIDFILE" ]; then
read PID <"$PIDFILE"
kill $PID
rm -f "$PIDFILE"
else
echo no pidfile : $PIDFILE
fi
fi
}
do_daemon()
{
# $1 - 1 - run, 0 - stop
on_off_function run_daemon stop_daemon "$@"
}
do_tpws()
{
# $1 : 1 - run, 0 - stop
# $2 : daemon number
# $3 : daemon args
[ "$DISABLE_IPV4" = "1" ] && [ "$DISABLE_IPV6" = "1" ] && return 0
local OPT="$TPWS_OPT_BASE"
[ "$DISABLE_IPV4" = "1" ] || OPT="$OPT $TPWS_OPT_BASE4"
[ "$DISABLE_IPV6" = "1" ] || {
OPT="$OPT $TPWS_OPT_BASE6"
for lan in $IFACE_LAN; do
OPT="$OPT --bind-iface6=$lan $TPWS_OPT_BASE6_PRE"
done
}
do_daemon $1 $2 "$TPWS" "$OPT $3"
}
do_tpws_socks()
{
# $1 : 1 - run, 0 - stop
# $2 : daemon number
# $3 : daemon args
[ "$DISABLE_IPV4" = "1" ] && [ "$DISABLE_IPV6" = "1" ] && return 0
local opt="$TPWS_OPT_BASE --socks"
tpws_apply_socks_binds opt
do_daemon $1 $2 "$TPWS" "$opt $3"
}
do_nfqws()
{
# $1 : 1 - run, 0 - stop
# $2 : daemon number
# $3 : daemon args
do_daemon $1 $2 "$NFQWS" "$NFQWS_OPT_BASE $3"
}
tpws_apply_socks_binds()
{
local o
[ "$DISABLE_IPV4" = "1" ] || o="--bind-addr=127.0.0.1"
[ "$DISABLE_IPV6" = "1" ] || o="$o --bind-addr=::1"
for lan in $IFACE_LAN; do
[ "$DISABLE_IPV4" = "1" ] || o="$o --bind-iface4=$lan $TPWS_WAIT"
[ "$DISABLE_IPV6" = "1" ] || o="$o --bind-iface6=$lan --bind-linklocal=unwanted $TPWS_WAIT_SOCKS6"
done
eval $1="\"\$$1 $o\""
}
create_ipset()
{
echo "Creating ip list table (firewall type $FWTYPE)"
"$IPSET_CR" "$@"
}
zapret_do_daemons()
{
# $1 - 1 - run, 0 - stop
local opt qn qns qn6 qns6
case "${MODE_OVERRIDE:-$MODE}" in
tpws)
opt="--port=$TPPORT $TPWS_OPT"
filter_apply_hostlist_target opt
filter_apply_suffix opt "$TPWS_OPT_SUFFIX"
do_tpws $1 1 "$opt"
;;
tpws-socks)
opt="--port=$TPPORT $TPWS_OPT"
filter_apply_hostlist_target opt
filter_apply_suffix opt "$TPWS_OPT_SUFFIX"
do_tpws_socks $1 1 "$opt"
;;
nfqws)
get_nfqws_qnums qn qns qn6 qns6
[ -z "$qn" ] || {
opt="--qnum=$qn $NFQWS_OPT_DESYNC_HTTP"
filter_apply_hostlist_target opt
filter_apply_suffix opt "$NFQWS_OPT_DESYNC_HTTP_SUFFIX"
do_nfqws $1 1 "$opt"
}
[ -z "$qns" ] || [ "$qns" = "$qn" ] || {
opt="--qnum=$qns $NFQWS_OPT_DESYNC_HTTPS"
filter_apply_hostlist_target opt
filter_apply_suffix opt "$NFQWS_OPT_DESYNC_HTTPS_SUFFIX"
do_nfqws $1 2 "$opt"
}
[ -z "$qn6" ] || [ "$qn6" = "$qn" ] || [ "$qn6" = "$qns" ] || {
opt="--qnum=$qn6 $NFQWS_OPT_DESYNC_HTTP6"
filter_apply_hostlist_target opt
filter_apply_suffix opt "$NFQWS_OPT_DESYNC_HTTP6_SUFFIX"
do_nfqws $1 3 "$opt"
}
[ -z "$qns6" ] || [ "$qns6" = "$qn" ] || [ "$qns6" = "$qns" ] || [ "$qns6" = "$qn6" ] || {
opt="--qnum=$qns6 $NFQWS_OPT_DESYNC_HTTPS6"
filter_apply_hostlist_target opt
filter_apply_suffix opt "$NFQWS_OPT_DESYNC_HTTPS6_SUFFIX"
do_nfqws $1 4 "$opt"
}
get_nfqws_qnums_quic qn qn6
[ -z "$qn" ] || {
opt="--qnum=$qn $NFQWS_OPT_BASE $NFQWS_OPT_DESYNC_QUIC"
filter_apply_hostlist_target opt
filter_apply_suffix opt "$NFQWS_OPT_DESYNC_QUIC_SUFFIX"
do_nfqws $1 10 "$opt"
}
[ -z "$qn6" ] || [ "$qn6" = "$qn" ] || {
opt="--qnum=$qn6 $NFQWS_OPT_BASE $NFQWS_OPT_DESYNC_QUIC6"
filter_apply_hostlist_target opt
filter_apply_suffix opt "$NFQWS_OPT_DESYNC_QUIC6_SUFFIX"
do_nfqws $1 11 "$opt"
}
;;
custom)
custom_runner zapret_custom_daemons $1
;;
esac
return 0
}
zapret_run_daemons()
{
zapret_do_daemons 1 "$@"
}
zapret_stop_daemons()
{
zapret_do_daemons 0 "$@"
}

83
init.d/sysv/zapret Executable file
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#!/bin/sh
### BEGIN INIT INFO
# Provides: zapret
# Required-Start: $local_fs $network
# Required-Stop: $local_fs $network
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
### END INIT INFO
SCRIPT=$(readlink -f "$0")
EXEDIR=$(dirname "$SCRIPT")
ZAPRET_BASE=$(readlink -f "$EXEDIR/../..")
. "$EXEDIR/functions"
NAME=zapret
DESC=anti-zapret
do_start()
{
zapret_run_daemons
[ "$INIT_APPLY_FW" != "1" ] || { zapret_apply_firewall; }
}
do_stop()
{
zapret_stop_daemons
[ "$INIT_APPLY_FW" != "1" ] || zapret_unapply_firewall
}
case "$1" in
start)
do_start
;;
stop)
do_stop
;;
restart)
do_stop
do_start
;;
start-fw|start_fw)
zapret_apply_firewall
;;
stop-fw|stop_fw)
zapret_unapply_firewall
;;
restart-fw|restart_fw)
zapret_unapply_firewall
zapret_apply_firewall
;;
start-daemons|start_daemons)
zapret_run_daemons
;;
stop-daemons|stop_daemons)
zapret_stop_daemons
;;
restart-daemons|restart_daemons)
zapret_stop_daemons
zapret_run_daemons
;;
reload-ifsets|reload_ifsets)
zapret_reload_ifsets
;;
list-ifsets|list_ifsets)
zapret_list_ifsets
;;
list-table|list_table)
zapret_list_table
;;
*)
N=/etc/init.d/$NAME
echo "Usage: $N {start|stop|restart|start-fw|stop-fw|restart-fw|start-daemons|stop-daemons|restart-daemons|reload-ifsets|list-ifsets|list-table}" >&2
exit 1
;;
esac
exit 0