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init.d: unitfy custom scripts for linux

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bol-van
2024-12-09 09:28:25 +03:00
parent 9bd65e0c1d
commit ebb22dfa3f
10 changed files with 24 additions and 244 deletions
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22
init.d/sysv/custom.d.examples/10-keenetic-udp-fix
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# This script fixes keenetic issue with nfqws generated udp packets
# Keenetic uses proprietary ndmmark and does not masquerade without this mark
# If not masqueraded packets go to WAN with LAN IP and get dropped by ISP
# It's advised to set IFACE_WAN in config
zapret_custom_firewall()
{
# $1 - 1 - add, 0 - stop
local wan wanif rule
[ "$DISABLE_IPV4" = "1" ] || {
# use IFACE_WAN if defined. if not - search for interfaces with default route.
wanif=${IFACE_WAN:-$(sed -nre 's/^([^\t]+)\t00000000\t[0-9A-F]{8}\t[0-9A-F]{4}\t[0-9]+\t[0-9]+\t[0-9]+\t00000000.*$/\1/p' /proc/net/route | sort -u | xargs)}
for wan in $wanif; do
rule="-o $wan -p udp -m mark --mark $DESYNC_MARK/$DESYNC_MARK"
ipt_print_op $1 "$rule" "keenetic udp fix"
ipt_add_del $1 POSTROUTING -t nat $rule -j MASQUERADE
done
}
}

37
init.d/sysv/custom.d.examples/50-dht4all
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# this custom script runs desync to DHT packets with udp payload length 101..399 , without ipset/hostlist filtering
# can override in config :
NFQWS_OPT_DESYNC_DHT="${NFQWS_OPT_DESYNC_DHT:---dpi-desync=tamper}"
alloc_dnum DNUM_DHT4ALL
alloc_qnum QNUM_DHT4ALL
zapret_custom_daemons()
{
# stop logic is managed by procd
local opt="--qnum=$QNUM_DHT4ALL $NFQWS_OPT_DESYNC_DHT"
do_nfqws $1 $DNUM_DHT4ALL "$opt"
}
zapret_custom_firewall()
{
# $1 - 1 - run, 0 - stop
local f uf4 uf6
local first_packet_only="$ipt_connbytes 1:1"
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 $first_packet_only" "$f $uf6 $first_packet_only" $QNUM_DHT4ALL
}
zapret_custom_firewall_nft()
{
# stop logic is not required
local f
local first_packet_only="$nft_connbytes 1"
f="meta length 109-407 meta l4proto udp @th,64,16 0x6431"
nft_fw_nfqws_post "$f $first_packet_only" "$f $first_packet_only" $QNUM_DHT4ALL
}

75
init.d/sysv/custom.d.examples/50-discord
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File diff suppressed because one or more lines are too long

89
init.d/sysv/custom.d.examples/50-tpws-ipset
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# this custom script demonstrates how to launch extra tpws instance limited by ipset
# can override in config :
TPWS_MY1_OPT="${TPWS_MY1_OPT:---oob --split-pos=midsld}"
TPWS_MY1_PORTS=${TPWS_MY1_PORTS:-$TPWS_PORTS}
TPWS_MY1_SUBNETS4="${TPWS_MY1_SUBNETS4:-142.250.0.0/15 64.233.160.0/19 172.217.0.0/16 173.194.0.0/16 108.177.0.0/17 74.125.0.0/16 209.85.128.0/17 216.58.192.0/19}"
TPWS_MY1_SUBNETS6="${TPWS_MY1_SUBNETS6:-2607:F8B0::/32 2a00:1450:4000::/37}"
TPWS_MY1_IPSET_SIZE=${TPWS_MY1_IPSET_SIZE:-4096}
TPWS_MY1_IPSET_OPT="${TPWS_MY1_IPSET_OPT:-hash:net hashsize 8192 maxelem $TPWS_MY1_IPSET_SIZE}"
alloc_dnum DNUM_TPWS_MY1
alloc_tpws_port PORT_TPWS_MY1
TPWS_MY1_NAME4=my1tpws4
TPWS_MY1_NAME6=my1tpws6
zapret_custom_daemons()
{
# $1 - 1 - run, 0 - stop
local opt="--port=$PORT_TPWS_MY1 $TPWS_MY1_OPT"
do_tpws $1 $DNUM_TPWS_MY1 "$opt"
}
zapret_custom_firewall()
{
# $1 - 1 - run, 0 - stop
local f4 f6 subnet
local PORTS_IPT=$(replace_char - : $TPWS_MY1_PORTS)
local dest_set="-m set --match-set $TPWS_MY1_NAME4 dst"
[ "$1" = 1 -a "$DISABLE_IPV4" != 1 ] && {
ipset create $TPWS_MY1_NAME4 $TPWS_MY1_IPSET_OPT family inet 2>/dev/null
ipset flush $TPWS_MY1_NAME4
for subnet in $TPWS_MY1_SUBNETS4; do
echo add $TPWS_MY1_NAME4 $subnet
done | ipset -! restore
}
[ "$1" = 1 -a "$DISABLE_IPV6" != 1 ] && {
ipset create $TPWS_MY1_NAME6 $TPWS_MY1_IPSET_OPT family inet6 2>/dev/null
ipset flush $TPWS_MY1_NAME6
for subnet in $TPWS_MY1_SUBNETS6; do
echo add $TPWS_MY1_NAME6 $subnet
done | ipset -! restore
}
f4="-p tcp -m multiport --dports $PORTS_IPT -m set --match-set"
f6="$f4 $TPWS_MY1_NAME6 dst"
f4="$f4 $TPWS_MY1_NAME4 dst"
fw_tpws $1 "$f4" "$f6" $PORT_TPWS_MY1
[ "$1" = 1 ] || {
ipset destroy $TPWS_MY1_NAME4 2>/dev/null
ipset destroy $TPWS_MY1_NAME6 2>/dev/null
}
}
zapret_custom_firewall_nft()
{
local f4 f6 subnet
[ "$DISABLE_IPV4" != 1 ] && {
make_comma_list subnets $TPWS_MY1_SUBNETS4
nft_create_set $TPWS_MY1_NAME4 "type ipv4_addr; size $TPWS_MY1_IPSET_SIZE; auto-merge; flags interval;"
nft_flush_set $TPWS_MY1_NAME4
nft_add_set_element $TPWS_MY1_NAME4 "$subnets"
}
[ "$DISABLE_IPV6" != 1 ] && {
make_comma_list subnets $TPWS_MY1_SUBNETS6
nft_create_set $TPWS_MY1_NAME6 "type ipv6_addr; size $TPWS_MY1_IPSET_SIZE; auto-merge; flags interval;"
nft_flush_set $TPWS_MY1_NAME6
nft_add_set_element $TPWS_MY1_NAME6 "$subnets"
}
f4="tcp dport {$TPWS_MY1_PORTS}"
f6="$f4 ip6 daddr @$TPWS_MY1_NAME6"
f4="$f4 ip daddr @$TPWS_MY1_NAME4"
nft_fw_tpws "$f4" "$f6" $PORT_TPWS_MY1
}
zapret_custom_firewall_nft_flush()
{
# this function is called after all nft fw rules are deleted
# however sets are not deleted. it's desired to clear sets here.
nft_del_set $TPWS_MY1_NAME4 2>/dev/null
nft_del_set $TPWS_MY1_NAME6 2>/dev/null
}

30
init.d/sysv/custom.d.examples/50-wg4all
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@@ -1,30 +0,0 @@
# this custom script runs desync to all wireguard handshake initiation packets
# can override in config :
NFQWS_OPT_DESYNC_WG="${NFQWS_OPT_DESYNC_WG:---dpi-desync=fake}"
alloc_dnum DNUM_WG4ALL
alloc_qnum QNUM_WG4ALL
zapret_custom_daemons()
{
# stop logic is managed by procd
local opt="--qnum=$QNUM_WG4ALL $NFQWS_OPT_DESYNC_WG"
do_nfqws $1 $DNUM_WG4ALL "$opt"
}
# size = 156 (8 udp header + 148 payload) && payload starts with 0x01000000
zapret_custom_firewall()
{
# $1 - 1 - run, 0 - stop
local f='-p udp -m u32 --u32'
fw_nfqws_post $1 "$f 0>>22&0x3C@4>>16=0x9c&&0>>22&0x3C@8=0x01000000" "$f 44>>16=0x9c&&48=0x01000000" $QNUM_WG4ALL
}
zapret_custom_firewall_nft()
{
# stop logic is not required
local f="udp length 156 @th,64,32 0x01000000"
nft_fw_nfqws_post "$f" "$f" $QNUM_WG4ALL
}