mirror of
https://github.com/bol-van/zapret.git
synced 2024-11-12 01:39:17 +05:00
761 lines
18 KiB
Plaintext
761 lines
18 KiB
Plaintext
# init script functions library for desktop linux systems
|
|
|
|
[ -n "$ZAPRET_BASE" ] || ZAPRET_BASE=/opt/zapret
|
|
# SHOULD EDIT config
|
|
. "$ZAPRET_BASE/config"
|
|
|
|
exists()
|
|
{
|
|
which "$1" >/dev/null 2>/dev/null
|
|
}
|
|
existf()
|
|
{
|
|
type "$1" >/dev/null 2>/dev/null
|
|
}
|
|
is_linked_to_busybox()
|
|
{
|
|
local IFS F P
|
|
|
|
IFS=:
|
|
for path in $PATH; do
|
|
F=$path/$1
|
|
P="$(readlink $F)"
|
|
if [ -z "$P" ] && [ -x $F ] && [ ! -L $F ]; then return 1; fi
|
|
[ "${P%busybox*}" != "$P" ] && return
|
|
done
|
|
}
|
|
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
|
|
# 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="$ZAPRET_BASE/ipset/create_ipset.sh"
|
|
|
|
[ -n "$QNUM" ] || QNUM=200
|
|
[ -n "$NFQWS" ] || NFQWS="$ZAPRET_BASE/nfq/nfqws"
|
|
NFQWS_OPT_BASE="$USEROPT --dpi-desync-fwmark=$DESYNC_MARK"
|
|
NFQWS_OPT_DESYNC_HTTP="${NFQWS_OPT_DESYNC_HTTP:-$NFQWS_OPT_DESYNC}"
|
|
NFQWS_OPT_DESYNC_HTTPS="${NFQWS_OPT_DESYNC_HTTPS:-$NFQWS_OPT_DESYNC}"
|
|
NFQWS_OPT_DESYNC_HTTP6="${NFQWS_OPT_DESYNC_HTTP6:-$NFQWS_OPT_DESYNC_HTTP}"
|
|
NFQWS_OPT_DESYNC_HTTPS6="${NFQWS_OPT_DESYNC_HTTPS6:-$NFQWS_OPT_DESYNC_HTTPS}"
|
|
|
|
[ -n "$TPPORT" ] || TPPORT=988
|
|
[ -n "$TPWS" ] || TPWS="$ZAPRET_BASE/tpws/tpws"
|
|
TPWS_LOCALHOST4=127.0.0.127
|
|
HOSTLIST="$ZAPRET_BASE/ipset/zapret-hosts.txt.gz"
|
|
[ -f "$HOSTLIST" ] || HOSTLIST="$ZAPRET_BASE/ipset/zapret-hosts.txt"
|
|
[ -f "$HOSTLIST" ] || HOSTLIST="$ZAPRET_BASE/ipset/zapret-hosts-user.txt"
|
|
|
|
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 $TPWS_WAIT --bind-wait-ip-linklocal=3"
|
|
|
|
[ -n "$DESYNC_MARK" ] || DESYNC_MARK=0x40000000
|
|
|
|
# max wait time for the link local ipv6 on the LAN interface
|
|
LINKLOCAL_WAIT_SEC=5
|
|
|
|
CUSTOM_SCRIPT="$ZAPRET_BASE/init.d/sysv/custom"
|
|
[ -f "$CUSTOM_SCRIPT" ] && . "$CUSTOM_SCRIPT"
|
|
|
|
IPSET_EXCLUDE="-m set ! --match-set nozapret"
|
|
IPSET_EXCLUDE6="-m set ! --match-set nozapret6"
|
|
|
|
|
|
on_off_function()
|
|
{
|
|
# $1 : function name on
|
|
# $2 : function name off
|
|
# $3 : 0 - off, 1 - on
|
|
local F="$1"
|
|
[ "$3" = "1" ] || F="$2"
|
|
shift
|
|
shift
|
|
shift
|
|
"$F" "$@"
|
|
}
|
|
|
|
|
|
ipt()
|
|
{
|
|
iptables -C "$@" >/dev/null 2>/dev/null || iptables -I "$@"
|
|
}
|
|
ipt_del()
|
|
{
|
|
iptables -C "$@" >/dev/null 2>/dev/null && iptables -D "$@"
|
|
}
|
|
ipt_add_del()
|
|
{
|
|
on_off_function ipt ipt_del "$@"
|
|
}
|
|
ipt6()
|
|
{
|
|
ip6tables -C "$@" >/dev/null 2>/dev/null || ip6tables -I "$@"
|
|
}
|
|
ipt6_del()
|
|
{
|
|
ip6tables -C "$@" >/dev/null 2>/dev/null && ip6tables -D "$@"
|
|
}
|
|
ipt6_add_del()
|
|
{
|
|
on_off_function ipt6 ipt6_del "$@"
|
|
}
|
|
|
|
# there's no route_localnet for ipv6
|
|
# the best we can is to route to link local of the incoming interface
|
|
# OUTPUT - can DNAT to ::1
|
|
# PREROUTING - can't DNAT to ::1. can DNAT to link local of -i interface or to any global addr
|
|
# not a good idea to expose tpws to the world (bind to ::)
|
|
|
|
get_ipv6_linklocal()
|
|
{
|
|
# $1 - interface name. if empty - any interface
|
|
local dev
|
|
[ -n "$1" ] && dev="dev $1"
|
|
ip addr show $dev | sed -e 's/^.*inet6 \([^ ]*\)\/[0-9]* scope link.*$/\1/;t;d' | head -n 1
|
|
}
|
|
get_ipv6_global()
|
|
{
|
|
# $1 - interface name. if empty - any interface
|
|
local dev
|
|
[ -n "$1" ] && dev="dev $1"
|
|
ip addr show $dev | sed -e 's/^.*inet6 \([^ ]*\)\/[0-9]* scope global.*$/\1/;t;d' | head -n 1
|
|
}
|
|
|
|
iface_is_up()
|
|
{
|
|
# $1 - interface name
|
|
[ -f /sys/class/net/$1/operstate ] || return
|
|
local state
|
|
read state </sys/class/net/$1/operstate
|
|
[ "$state" != "down" ]
|
|
}
|
|
wait_ifup()
|
|
{
|
|
# $1 - interface name
|
|
local ct=0
|
|
while
|
|
iface_is_up $1 && return
|
|
[ "$ct" -ge "$IFUP_WAIT_SEC" ] && break
|
|
echo waiting for ifup of $1 for another $(($IFUP_WAIT_SEC - $ct)) seconds ...
|
|
ct=$(($ct+1))
|
|
sleep 1
|
|
do :; done
|
|
false
|
|
}
|
|
|
|
|
|
dnat6_target()
|
|
{
|
|
# $1 - lan network name
|
|
# $2 - var to store target ip6
|
|
# get target ip address for DNAT. prefer link locals
|
|
# tpws should be as inaccessible from outside as possible
|
|
# link local address can appear not immediately after ifup
|
|
# DNAT6_TARGET=- means attempt was made but address was not found (to avoid multiple re-attempts)
|
|
|
|
local DNAT6_TARGET DVAR=DNAT6_TARGET_$1
|
|
DVAR=$(echo $DVAR | sed 's/[^a-zA-Z0-9_]/_/g')
|
|
eval DNAT6_TARGET="\$$DVAR"
|
|
[ -n "$2" ] && eval $2=''
|
|
[ -n "$DNAT6_TARGET" ] || {
|
|
local ct=0
|
|
while
|
|
DNAT6_TARGET=$(get_ipv6_linklocal $1)
|
|
[ -n "$DNAT6_TARGET" ] && break
|
|
[ "$ct" -ge "$LINKLOCAL_WAIT_SEC" ] && break
|
|
echo $1: waiting for the link local for another $(($LINKLOCAL_WAIT_SEC - $ct)) seconds ...
|
|
ct=$(($ct+1))
|
|
sleep 1
|
|
do :; done
|
|
|
|
[ -n "$DNAT6_TARGET" ] || {
|
|
echo $1: no link local. getting global
|
|
DNAT6_TARGET=$(get_ipv6_global $1)
|
|
[ -n "$DNAT6_TARGET" ] || {
|
|
echo $1: could not get any address
|
|
DNAT6_TARGET=-
|
|
}
|
|
}
|
|
eval $DVAR="$DNAT6_TARGET"
|
|
}
|
|
[ -n "$2" ] && eval $2="$DNAT6_TARGET"
|
|
}
|
|
|
|
prepare_tpws_fw4()
|
|
{
|
|
# otherwise linux kernel will treat 127.0.0.0/8 as "martian" ip and refuse routing to it
|
|
# NOTE : kernels <3.6 do not have this feature. consider upgrading or change DNAT to REDIRECT and do not bind to 127.0.0.0/8
|
|
[ -n "$IFACE_LAN" ] && {
|
|
iptables -N input_rule_zapret 2>/dev/null
|
|
iptables -F input_rule_zapret
|
|
iptables -A input_rule_zapret -d $TPWS_LOCALHOST4 -j RETURN
|
|
iptables -A input_rule_zapret -d 127.0.0.0/8 -j DROP
|
|
for lan in $IFACE_LAN ; do
|
|
ipt INPUT -i $lan -j input_rule_zapret
|
|
sysctl -q -w net.ipv4.conf.$lan.route_localnet=1
|
|
done
|
|
}
|
|
}
|
|
unprepare_tpws_fw4()
|
|
{
|
|
[ -n "$IFACE_LAN" ] && {
|
|
for lan in $IFACE_LAN ; do
|
|
ipt_del INPUT -i $lan -j input_rule_zapret
|
|
sysctl -q -w net.ipv4.conf.$lan.route_localnet=0
|
|
done
|
|
iptables -F input_rule_zapret 2>/dev/null
|
|
iptables -X input_rule_zapret 2>/dev/null
|
|
}
|
|
}
|
|
unprepare_tpws_fw()
|
|
{
|
|
unprepare_tpws_fw4
|
|
}
|
|
|
|
|
|
print_op()
|
|
{
|
|
if [ "$1" = "1" ]; then
|
|
echo "Adding ip$4tables rule for $3 : $2"
|
|
else
|
|
echo "Deleting ip$4tables rule for $3 : $2"
|
|
fi
|
|
}
|
|
|
|
fw_tpws4()
|
|
{
|
|
# $1 - 1 - add, 0 - del
|
|
# $2 - iptable filter for ipv4
|
|
# $3 - tpws port
|
|
[ "$DISABLE_IPV4" = "1" ] || {
|
|
[ "$1" = 1 ] && prepare_tpws_fw4
|
|
print_op $1 "$2" "tpws (port $3)"
|
|
for lan in $IFACE_LAN ; do
|
|
ipt_add_del $1 PREROUTING -t nat -i $lan -p tcp $2 $IPSET_EXCLUDE dst -j DNAT --to $TPWS_LOCALHOST4:$3
|
|
done
|
|
if [ -n "$IFACE_WAN" ]; then
|
|
for wan in $IFACE_WAN; do
|
|
ipt_add_del $1 OUTPUT -t nat -o $wan -m owner ! --uid-owner $WS_USER -p tcp $2 $IPSET_EXCLUDE dst -j DNAT --to $TPWS_LOCALHOST4:$3
|
|
done
|
|
else
|
|
ipt_add_del $1 OUTPUT -t nat -m owner ! --uid-owner $WS_USER -p tcp $2 $IPSET_EXCLUDE dst -j DNAT --to $TPWS_LOCALHOST4:$3
|
|
fi
|
|
}
|
|
}
|
|
fw_tpws6()
|
|
{
|
|
# $1 - 1 - add, 0 - del
|
|
# $2 - iptable filter for ipv6
|
|
# $3 - tpws port
|
|
[ "$DISABLE_IPV6" = "1" ] || {
|
|
print_op $1 "$2" "tpws (port $3)" 6
|
|
local DNAT6
|
|
for lan in $IFACE_LAN ; do
|
|
dnat6_target $lan DNAT6
|
|
[ "$DNAT6" != "-" ] && ipt6_add_del $1 PREROUTING -t nat -i $lan -p tcp $2 $IPSET_EXCLUDE6 dst -j DNAT --to [$DNAT6]:$3
|
|
done
|
|
if [ -n "$IFACE_WAN" ]; then
|
|
for wan in $IFACE_WAN; do
|
|
ipt6_add_del $1 OUTPUT -t nat -o $wan -m owner ! --uid-owner $WS_USER -p tcp $2 $IPSET_EXCLUDE6 dst -j DNAT --to [::1]:$3
|
|
done
|
|
else
|
|
ipt6_add_del $1 OUTPUT -t nat -m owner ! --uid-owner $WS_USER -p tcp $2 $IPSET_EXCLUDE6 dst -j DNAT --to [::1]:$3
|
|
fi
|
|
}
|
|
}
|
|
fw_tpws()
|
|
{
|
|
# $1 - 1 - add, 0 - del
|
|
# $2 - iptable filter for ipv4
|
|
# $3 - iptable filter for ipv6
|
|
# $4 - tpws port
|
|
fw_tpws4 $1 "$2" $4
|
|
fw_tpws6 $1 "$3" $4
|
|
}
|
|
|
|
|
|
fw_nfqws_pre4()
|
|
{
|
|
# $1 - 1 - add, 0 - del
|
|
# $2 - iptable filter for ipv4
|
|
# $3 - queue number
|
|
[ "$DISABLE_IPV4" = "1" ] || {
|
|
print_op $1 "$2" "nfqws prerouting (qnum $3)"
|
|
if [ -n "$IFACE_WAN" ]; then
|
|
for wan in $IFACE_WAN; do
|
|
ipt_add_del $1 PREROUTING -t mangle -i $wan -p tcp $2 $IPSET_EXCLUDE src -j NFQUEUE --queue-num $3 --queue-bypass
|
|
done
|
|
else
|
|
ipt_add_del $1 PREROUTING -t mangle -p tcp $2 $IPSET_EXCLUDE src -j NFQUEUE --queue-num $3 --queue-bypass
|
|
fi
|
|
}
|
|
}
|
|
fw_nfqws_pre6()
|
|
{
|
|
# $1 - 1 - add, 0 - del
|
|
# $2 - iptable filter for ipv6
|
|
# $3 - queue number
|
|
[ "$DISABLE_IPV6" = "1" ] || {
|
|
print_op $1 "$2" "nfqws prerouting (qnum $3)" 6
|
|
if [ -n "$IFACE_WAN" ]; then
|
|
for wan in $IFACE_WAN; do
|
|
ipt6_add_del $1 PREROUTING -t mangle -i $wan -p tcp $2 $IPSET_EXCLUDE6 src -j NFQUEUE --queue-num $3 --queue-bypass
|
|
done
|
|
else
|
|
ipt6_add_del $1 PREROUTING -t mangle -p tcp $2 $IPSET_EXCLUDE6 src -j NFQUEUE --queue-num $3 --queue-bypass
|
|
fi
|
|
}
|
|
}
|
|
fw_nfqws_pre()
|
|
{
|
|
# $1 - 1 - add, 0 - del
|
|
# $2 - iptable filter for ipv4
|
|
# $3 - iptable filter for ipv6
|
|
# $4 - queue number
|
|
fw_nfqws_pre4 $1 "$2" $4
|
|
fw_nfqws_pre6 $1 "$3" $4
|
|
}
|
|
fw_nfqws_post4()
|
|
{
|
|
# $1 - 1 - add, 0 - del
|
|
# $2 - iptable filter for ipv4
|
|
# $3 - queue number
|
|
[ "$DISABLE_IPV4" = "1" ] || {
|
|
print_op $1 "$2" "nfqws postrouting (qnum $3)"
|
|
if [ -n "$IFACE_WAN" ]; then
|
|
for wan in $IFACE_WAN; do
|
|
ipt_add_del $1 POSTROUTING -t mangle -o $wan -p tcp $2 $IPSET_EXCLUDE dst -j NFQUEUE --queue-num $3 --queue-bypass
|
|
done
|
|
else
|
|
ipt_add_del $1 POSTROUTING -t mangle -p tcp $2 $IPSET_EXCLUDE dst -j NFQUEUE --queue-num $3 --queue-bypass
|
|
fi
|
|
}
|
|
}
|
|
fw_nfqws_post6()
|
|
{
|
|
# $1 - 1 - add, 0 - del
|
|
# $2 - iptable filter for ipv6
|
|
# $3 - queue number
|
|
[ "$DISABLE_IPV6" = "1" ] || {
|
|
print_op $1 "$2" "nfqws postrouting (qnum $3)" 6
|
|
if [ -n "$IFACE_WAN" ]; then
|
|
for wan in $IFACE_WAN; do
|
|
ipt6_add_del $1 POSTROUTING -t mangle -o $wan -p tcp $2 $IPSET_EXCLUDE6 dst -j NFQUEUE --queue-num $3 --queue-bypass
|
|
done
|
|
else
|
|
ipt6_add_del $1 POSTROUTING -t mangle -p tcp $2 $IPSET_EXCLUDE6 dst -j NFQUEUE --queue-num $3 --queue-bypass
|
|
fi
|
|
}
|
|
}
|
|
fw_nfqws_post()
|
|
{
|
|
# $1 - 1 - add, 0 - del
|
|
# $2 - iptable filter for ipv4
|
|
# $3 - iptable filter for ipv6
|
|
# $4 - queue number
|
|
fw_nfqws_post4 $1 "$2" $4
|
|
fw_nfqws_post6 $1 "$3" $4
|
|
}
|
|
|
|
|
|
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"
|
|
}
|
|
|
|
|
|
filter_apply_port_target()
|
|
{
|
|
# $1 - var name of iptables filter
|
|
local f
|
|
if [ "$MODE_HTTP" = "1" ] && [ "$MODE_HTTPS" = "1" ]; then
|
|
f="-m multiport --dports 80,443"
|
|
elif [ "$MODE_HTTPS" = "1" ]; then
|
|
f="--dport 443"
|
|
elif [ "$MODE_HTTP" = "1" ]; then
|
|
f="--dport 80"
|
|
else
|
|
echo WARNING !!! HTTP and HTTPS are both disabled
|
|
fi
|
|
eval $1="\"\$$1 $f\""
|
|
}
|
|
|
|
filter_apply_ipset_target4()
|
|
{
|
|
# $1 - var name of ipv4 iptables filter
|
|
if [ "$MODE_FILTER" = "ipset" ]; then
|
|
eval $1="\"\$$1 -m set --match-set zapret dst\""
|
|
fi
|
|
}
|
|
filter_apply_ipset_target6()
|
|
{
|
|
# $1 - var name of ipv4 iptables filter
|
|
if [ "$MODE_FILTER" = "ipset" ]; then
|
|
eval $1="\"\$$1 -m set --match-set zapret6 dst\""
|
|
fi
|
|
}
|
|
filter_apply_ipset_target()
|
|
{
|
|
# $1 - var name of ipv4 iptables filter
|
|
# $2 - var name of ipv6 iptables filter
|
|
filter_apply_ipset_target4 $1
|
|
filter_apply_ipset_target6 $2
|
|
}
|
|
filter_apply_hostlist_target()
|
|
{
|
|
# $1 - var name of tpws or nfqws params
|
|
[ "$MODE_FILTER" = "hostlist" ] && eval $1="\"\$$1 --hostlist=$HOSTLIST\""
|
|
}
|
|
|
|
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_HTTPS" ] || _qns=$(($QNUM+1))
|
|
}
|
|
[ "$DISABLE_IPV6" = "1" ] || {
|
|
_qn6=$(($QNUM+2))
|
|
_qns6=$(($QNUM+3))
|
|
[ "$DISABLE_IPV4" = "1" ] || {
|
|
if [ "$NFQWS_OPT_DESYNC_HTTP6" = "$NFQWS_OPT_DESYNC_HTTP" ]; then
|
|
_qn6=$_qn;
|
|
elif [ "$NFQWS_OPT_DESYNC_HTTP6" = "$NFQWS_OPT_DESYNC_HTTPS" ]; then
|
|
_qn6=$_qns;
|
|
fi
|
|
if [ "$NFQWS_OPT_DESYNC_HTTPS6" = "$NFQWS_OPT_DESYNC_HTTP" ]; then
|
|
_qns6=$_qn;
|
|
elif [ "$NFQWS_OPT_DESYNC_HTTPS6" = "$NFQWS_OPT_DESYNC_HTTPS" ]; then
|
|
_qns6=$_qns;
|
|
fi
|
|
}
|
|
[ "$NFQWS_OPT_DESYNC_HTTPS6" = "$NFQWS_OPT_DESYNC_HTTP6" ] && _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 $4=
|
|
fi
|
|
}
|
|
|
|
tpws_apply_socks_binds()
|
|
{
|
|
local o
|
|
|
|
[ "$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 $o\""
|
|
}
|
|
|
|
|
|
create_ipset()
|
|
{
|
|
echo "Creating ipset"
|
|
"$IPSET_CR" "$@"
|
|
}
|
|
|
|
|
|
|
|
zapret_do_firewall()
|
|
{
|
|
# $1 - 1 - add, 0 - del
|
|
|
|
local first_packet_only="-m connbytes --connbytes-dir=original --connbytes-mode=packets --connbytes 1:4"
|
|
local desync="-m mark ! --mark $DESYNC_MARK/$DESYNC_MARK"
|
|
local f4 f6 qn qns qn6 qns6
|
|
|
|
# always create ipsets. ip_exclude ipset is required
|
|
[ "$1" != "1" ] || create_ipset no-update
|
|
|
|
case "${MODE_OVERRIDE:-$MODE}" in
|
|
tpws)
|
|
if [ ! "$MODE_HTTP" = "1" ] && [ ! "$MODE_HTTPS" = "1" ]; then
|
|
echo both http and https are disabled. not applying redirection.
|
|
else
|
|
filter_apply_port_target f4
|
|
f6=$f4
|
|
filter_apply_ipset_target f4 f6
|
|
fw_tpws $1 "$f4" "$f6" $TPPORT
|
|
fi
|
|
;;
|
|
|
|
nfqws)
|
|
if [ ! "$MODE_HTTP" = "1" ] && [ ! "$MODE_HTTPS" = "1" ]; then
|
|
echo both http and https are disabled. not applying redirection.
|
|
else
|
|
get_nfqws_qnums qn qns qn6 qns6
|
|
if [ "$MODE_HTTP_KEEPALIVE" != "1" ] && [ -n "$qn" ] && [ "$qn" = "$qns" ]; then
|
|
filter_apply_port_target f4
|
|
f4="$f4 $first_packet_only"
|
|
filter_apply_ipset_target4 f4
|
|
fw_nfqws_post4 $1 "$f4 $desync" $qn
|
|
else
|
|
if [ -n "$qn" ]; then
|
|
f4="--dport 80"
|
|
[ "$MODE_HTTP_KEEPALIVE" = "1" ] || f4="$f4 $first_packet_only"
|
|
filter_apply_ipset_target4 f4
|
|
fw_nfqws_post4 $1 "$f4 $desync" $qn
|
|
fi
|
|
if [ -n "$qns" ]; then
|
|
f4="--dport 443 $first_packet_only"
|
|
filter_apply_ipset_target4 f4
|
|
fw_nfqws_post4 $1 "$f4 $desync" $qns
|
|
fi
|
|
fi
|
|
if [ "$MODE_HTTP_KEEPALIVE" != "1" ] && [ -n "$qn6" ] && [ "$qn6" = "$qns6" ]; then
|
|
filter_apply_port_target f6
|
|
f6="$f6 $first_packet_only"
|
|
filter_apply_ipset_target6 f6
|
|
fw_nfqws_post6 $1 "$f6 $desync" $qn6
|
|
else
|
|
if [ -n "$qn6" ]; then
|
|
f6="--dport 80"
|
|
[ "$MODE_HTTP_KEEPALIVE" = "1" ] || f6="$f6 $first_packet_only"
|
|
filter_apply_ipset_target6 f6
|
|
fw_nfqws_post6 $1 "$f6 $desync" $qn6
|
|
fi
|
|
if [ -n "$qns6" ]; then
|
|
f6="--dport 443 $first_packet_only"
|
|
filter_apply_ipset_target6 f6
|
|
fw_nfqws_post6 $1 "$f6 $desync" $qns6
|
|
fi
|
|
fi
|
|
fi
|
|
;;
|
|
custom)
|
|
existf zapret_custom_firewall && zapret_custom_firewall $1
|
|
;;
|
|
esac
|
|
[ "$1" = 0 ] && unprepare_tpws_fw
|
|
|
|
return 0
|
|
}
|
|
zapret_apply_firewall()
|
|
{
|
|
zapret_do_firewall 1 "$@"
|
|
}
|
|
zapret_unapply_firewall()
|
|
{
|
|
zapret_do_firewall 0 "$@"
|
|
}
|
|
|
|
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
|
|
do_tpws $1 1 "$opt"
|
|
;;
|
|
tpws-socks)
|
|
opt="--port=$TPPORT $TPWS_OPT"
|
|
filter_apply_hostlist_target opt
|
|
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
|
|
do_nfqws $1 1 "$opt"
|
|
}
|
|
[ -z "$qns" ] || [ "$qns" = "$qn" ] || {
|
|
opt="--qnum=$qns $NFQWS_OPT_DESYNC_HTTPS"
|
|
filter_apply_hostlist_target opt
|
|
do_nfqws $1 2 "$opt"
|
|
}
|
|
[ -z "$qn6" ] || [ "$qn6" = "$qn" ] || [ "$qn6" = "$qns" ] || {
|
|
opt="--qnum=$qn6 $NFQWS_OPT_DESYNC_HTTP6"
|
|
filter_apply_hostlist_target opt
|
|
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
|
|
do_nfqws $1 4 "$opt"
|
|
}
|
|
;;
|
|
custom)
|
|
existf zapret_custom_daemons && zapret_custom_daemons $1
|
|
;;
|
|
esac
|
|
|
|
return 0
|
|
}
|
|
|
|
zapret_run_daemons()
|
|
{
|
|
zapret_do_daemons 1 "$@"
|
|
}
|
|
zapret_stop_daemons()
|
|
{
|
|
zapret_do_daemons 0 "$@"
|
|
}
|