mirror of
https://github.com/bol-van/zapret.git
synced 2024-12-18 14:01:30 +03:00
281 lines
6.9 KiB
Plaintext
281 lines
6.9 KiB
Plaintext
. /lib/functions/network.sh
|
|
|
|
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"
|
|
. "$ZAPRET_BASE/common/linux_iphelper.sh"
|
|
. "$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="$ZAPRET_RW/init.d/openwrt"
|
|
|
|
[ -n "$QNUM" ] || QNUM=200
|
|
[ -n "$TPPORT" ] || TPPORT=988
|
|
[ -n "$TPPORT_SOCKS" ] || TPPORT_SOCKS=987
|
|
[ -n "$WS_USER" ] || WS_USER=daemon
|
|
[ -n "$DESYNC_MARK" ] || DESYNC_MARK=0x40000000
|
|
[ -n "$DESYNC_MARK_POSTNAT" ] || DESYNC_MARK_POSTNAT=0x20000000
|
|
[ -n "$OPENWRT_LAN" ] || OPENWRT_LAN=lan
|
|
|
|
TPWS_LOCALHOST4=127.0.0.127
|
|
|
|
# max wait time for the link local ipv6 on the LAN interface
|
|
LINKLOCAL_WAIT_SEC=5
|
|
|
|
IPSET_CR="$ZAPRET_BASE/ipset/create_ipset.sh"
|
|
|
|
IPSET_EXCLUDE="-m set ! --match-set nozapret"
|
|
IPSET_EXCLUDE6="-m set ! --match-set nozapret6"
|
|
|
|
|
|
# can be multiple ipv6 outgoing interfaces
|
|
# uplink from isp, tunnelbroker, vpn, ...
|
|
# want them all. who knows what's the real one that blocks sites
|
|
# dont want any manual configuration - want to do it automatically
|
|
# standard network_find_wan[6] return only the first
|
|
# we use low level function from network.sh to avoid this limitation
|
|
# it can change theoretically and stop working
|
|
|
|
network_find_wan4_all()
|
|
{
|
|
if [ -n "$OPENWRT_WAN4" ]; then
|
|
eval $1="\$OPENWRT_WAN4"
|
|
else
|
|
__network_ifstatus "$1" "" "[@.route[@.target='0.0.0.0' && !@.table]].interface" "" 10 2>/dev/null && return
|
|
network_find_wan $1
|
|
fi
|
|
}
|
|
network_find_wan_all()
|
|
{
|
|
network_find_wan4_all "$@"
|
|
}
|
|
network_find_wan6_all()
|
|
{
|
|
if [ -n "$OPENWRT_WAN6" ]; then
|
|
eval $1="\$OPENWRT_WAN6"
|
|
else
|
|
__network_ifstatus "$1" "" "[@.route[@.target='::' && !@.table]].interface" "" 10 2>/dev/null && return
|
|
network_find_wan6 $1
|
|
fi
|
|
}
|
|
network_find_wanX_devices()
|
|
{
|
|
# $1 - ip version: 4 or 6
|
|
# $2 - variable to put result to
|
|
local ifaces
|
|
network_find_wan${1}_all ifaces
|
|
call_for_multiple_items network_get_device $2 "$ifaces"
|
|
}
|
|
|
|
|
|
dnat6_target()
|
|
{
|
|
# $1 - lan network name
|
|
# $2 - var to store target ip6
|
|
|
|
network_is_up $1 || {
|
|
[ -n "$2" ] && eval $2=''
|
|
return
|
|
}
|
|
|
|
local DEVICE
|
|
network_get_device DEVICE $1
|
|
|
|
_dnat6_target $DEVICE $2
|
|
}
|
|
|
|
set_route_localnet()
|
|
{
|
|
# $1 - 1 = enable, 0 = disable
|
|
|
|
local DLAN
|
|
call_for_multiple_items network_get_device DLAN "$OPENWRT_LAN"
|
|
_set_route_localnet $1 $DLAN
|
|
}
|
|
|
|
|
|
fw_nfqws_prepost_x()
|
|
{
|
|
# $1 - 1 - add, 0 - del
|
|
# $2 - filter
|
|
# $3 - queue number
|
|
# $4 - 4/6
|
|
# $5 - post/pre
|
|
|
|
local ifaces DWAN
|
|
network_find_wan${4}_all ifaces
|
|
call_for_multiple_items network_get_device DWAN "$ifaces"
|
|
|
|
[ -n "$DWAN" ] && _fw_nfqws_${5}${4} $1 "$2" $3 "$(unique $DWAN)"
|
|
}
|
|
fw_nfqws_post4()
|
|
{
|
|
fw_nfqws_prepost_x $1 "$2" $3 4 post
|
|
}
|
|
fw_nfqws_post6()
|
|
{
|
|
fw_nfqws_prepost_x $1 "$2" $3 6 post
|
|
}
|
|
fw_nfqws_pre4()
|
|
{
|
|
fw_nfqws_prepost_x $1 "$2" $3 4 pre
|
|
}
|
|
fw_nfqws_pre6()
|
|
{
|
|
fw_nfqws_prepost_x $1 "$2" $3 6 pre
|
|
}
|
|
fw_tpws_x()
|
|
{
|
|
# $1 - 1 - add, 0 - del
|
|
# $2 - filter
|
|
# $3 - tpws port
|
|
# $4 - ip version : 4 or 6
|
|
|
|
local ifaces DLAN DWAN
|
|
|
|
call_for_multiple_items network_get_device DLAN "$OPENWRT_LAN"
|
|
|
|
network_find_wan${4}_all ifaces
|
|
call_for_multiple_items network_get_device DWAN "$ifaces"
|
|
|
|
[ -n "$DWAN" ] && _fw_tpws${4} $1 "$2" $3 "$DLAN" "$(unique $DWAN)"
|
|
}
|
|
fw_tpws4()
|
|
{
|
|
fw_tpws_x $1 "$2" $3 4
|
|
}
|
|
fw_tpws6()
|
|
{
|
|
fw_tpws_x $1 "$2" $3 6
|
|
}
|
|
|
|
|
|
create_ipset()
|
|
{
|
|
echo "Creating ip list table (firewall type $FWTYPE)"
|
|
"$IPSET_CR" "$@"
|
|
}
|
|
|
|
list_nfqws_rules()
|
|
{
|
|
# $1 = '' for ipv4, '6' for ipv6
|
|
ip$1tables -S POSTROUTING -t mangle | \
|
|
grep -E "NFQUEUE --queue-num $QNUM --queue-bypass|NFQUEUE --queue-num $(($QNUM+1)) --queue-bypass|NFQUEUE --queue-num $(($QNUM+2)) --queue-bypass|NFQUEUE --queue-num $(($QNUM+3)) --queue-bypass|NFQUEUE --queue-num $(($QNUM+10)) --queue-bypass|NFQUEUE --queue-num $(($QNUM+11)) --queue-bypass" | \
|
|
sed -re 's/^-A POSTROUTING (.*) -j NFQUEUE.*$/\1/' -e "s/-m mark ! --mark $DESYNC_MARK\/$DESYNC_MARK//"
|
|
}
|
|
apply_flow_offloading_enable_rule()
|
|
{
|
|
# $1 = '' for ipv4, '6' for ipv6
|
|
local i off='-j FLOWOFFLOAD'
|
|
[ "$FLOWOFFLOAD" = "hardware" ] && off="$off --hw"
|
|
i="forwarding_rule_zapret -m comment --comment zapret_traffic_offloading_enable -m conntrack --ctstate RELATED,ESTABLISHED $off"
|
|
echo enabling ipv${1:-4} flow offloading : $i
|
|
ip$1tables -A $i
|
|
}
|
|
apply_flow_offloading_exempt_rule()
|
|
{
|
|
# $1 = '' for ipv4, '6' for ipv6
|
|
local i v
|
|
v=$1
|
|
shift
|
|
i="forwarding_rule_zapret $@ -m comment --comment zapret_traffic_offloading_exemption -j RETURN"
|
|
echo applying ipv${v:-4} flow offloading exemption : $i
|
|
ip${v}tables -A $i
|
|
}
|
|
flow_offloading_unexempt_v()
|
|
{
|
|
# $1 = '' for ipv4, '6' for ipv6
|
|
local DWAN
|
|
network_find_wanX_devices ${1:-4} DWAN
|
|
for i in $DWAN; do ipt$1_del FORWARD -o $i -j forwarding_rule_zapret ; done
|
|
ip$1tables -F forwarding_rule_zapret 2>/dev/null
|
|
ip$1tables -X forwarding_rule_zapret 2>/dev/null
|
|
}
|
|
flow_offloading_exempt_v()
|
|
{
|
|
# $1 = '' for ipv4, '6' for ipv6
|
|
is_ipt_flow_offload_avail $1 || return 0
|
|
|
|
flow_offloading_unexempt_v $1
|
|
|
|
[ "$FLOWOFFLOAD" = 'software' -o "$FLOWOFFLOAD" = 'hardware' ] && {
|
|
ip$1tables -N forwarding_rule_zapret
|
|
|
|
# remove outgoing interface
|
|
list_nfqws_rules $1 | sed -re 's/-o +[^ ]+//g' |
|
|
while read rule; do
|
|
apply_flow_offloading_exempt_rule "$1" $rule
|
|
done
|
|
|
|
apply_flow_offloading_enable_rule $1
|
|
|
|
# only outgoing to WAN packets trigger flow offloading
|
|
local DWAN
|
|
network_find_wanX_devices ${1:-4} DWAN
|
|
for i in $DWAN; do ipt$1 FORWARD -o $i -j forwarding_rule_zapret; done
|
|
}
|
|
return 0
|
|
}
|
|
flow_offloading_exempt()
|
|
{
|
|
[ "$DISABLE_IPV4" = "1" ] || flow_offloading_exempt_v
|
|
[ "$DISABLE_IPV6" = "1" ] || flow_offloading_exempt_v 6
|
|
}
|
|
flow_offloading_unexempt()
|
|
{
|
|
[ "$DISABLE_IPV4" = "1" ] || flow_offloading_unexempt_v
|
|
[ "$DISABLE_IPV6" = "1" ] || flow_offloading_unexempt_v 6
|
|
}
|
|
|
|
|
|
|
|
nft_fill_ifsets_overload()
|
|
{
|
|
local ifaces DLAN DWAN DWAN6 PDLAN PDWAN PDWAN6
|
|
|
|
call_for_multiple_items network_get_device DLAN "$OPENWRT_LAN"
|
|
call_for_multiple_items network_get_physdev PDLAN "$OPENWRT_LAN"
|
|
|
|
network_find_wan4_all ifaces
|
|
call_for_multiple_items network_get_device DWAN "$ifaces"
|
|
call_for_multiple_items network_get_physdev PDWAN "$ifaces"
|
|
|
|
network_find_wan6_all ifaces
|
|
call_for_multiple_items network_get_device DWAN6 "$ifaces"
|
|
call_for_multiple_items network_get_physdev PDWAN6 "$ifaces"
|
|
|
|
nft_fill_ifsets "$DLAN" "$DWAN" "$DWAN6" "$PDLAN" "$PDWAN" "$PDWAN6"
|
|
}
|
|
|
|
nft_fw_tpws4()
|
|
{
|
|
_nft_fw_tpws4 "$1" $2 always_apply_wan_filter
|
|
}
|
|
nft_fw_tpws6()
|
|
{
|
|
local DLAN
|
|
call_for_multiple_items network_get_device DLAN "$OPENWRT_LAN"
|
|
_nft_fw_tpws6 "$1" $2 "$DLAN" always_apply_wan_filter
|
|
}
|
|
nft_fw_nfqws_post4()
|
|
{
|
|
_nft_fw_nfqws_post4 "$1" $2 always_apply_wan_filter
|
|
}
|
|
nft_fw_nfqws_post6()
|
|
{
|
|
_nft_fw_nfqws_post6 "$1" $2 always_apply_wan_filter
|
|
}
|
|
nft_fw_nfqws_pre4()
|
|
{
|
|
_nft_fw_nfqws_pre4 "$1" $2 always_apply_wan_filter
|
|
}
|
|
nft_fw_nfqws_pre6()
|
|
{
|
|
_nft_fw_nfqws_pre6 "$1" $2 always_apply_wan_filter
|
|
}
|