# this custom script demonstrates how to launch extra nfqws instance limited by ipset # can override in config : NFQWS_MY1_OPT="${NFQWS_MY1_OPT:--filter-udp=* --dpi-desync=fake --dpi-desync-repeats=6 --dpi-desync-any-protocol --new --filter-tcp=* --dpi-desync=multisplit}" NFQWS_MY1_SUBNETS4="${NFQWS_MY1_SUBNETS4:-173.194.0.0/16 108.177.0.0/17 74.125.0.0/16 64.233.160.0/19 172.217.0.0/16}" NFQWS_MY1_SUBNETS6="${NFQWS_MY1_SUBNETS6:-2a00:1450::/29}" NFQWS_MY1_PORTS_TCP=${NFQWS_MY1_PORTS_TCP:-$NFQWS_PORTS_TCP} NFQWS_MY1_PORTS_UDP=${NFQWS_MY1_PORTS_UDP:-$NFQWS_PORTS_UDP} NFQWS_MY1_TCP_PKT_OUT=${NFQWS_MY1_TCP_PKT_OUT:-$NFQWS_TCP_PKT_OUT} NFQWS_MY1_UDP_PKT_OUT=${NFQWS_MY1_UDP_PKT_OUT:-$NFQWS_UDP_PKT_OUT} NFQWS_MY1_TCP_PKT_IN=${NFQWS_MY1_TCP_PKT_IN:-$NFQWS_TCP_PKT_IN} NFQWS_MY1_UDP_PKT_IN=${NFQWS_MY1_UDP_PKT_IN:-$NFQWS_UDP_PKT_IN} NFQWS_MY1_IPSET_SIZE=${NFQWS_MY1_IPSET_SIZE:-4096} NFQWS_MY1_IPSET_OPT="${NFQWS_MY1_IPSET_OPT:-hash:net hashsize 8192 maxelem $NFQWS_MY1_IPSET_SIZE}" alloc_dnum DNUM_NFQWS_MY1 alloc_qnum QNUM_NFQWS_MY1 NFQWS_MY1_NAME4=my1nfqws4 NFQWS_MY1_NAME6=my1nfqws6 zapret_custom_daemons() { # $1 - 1 - run, 0 - stop local opt="--qnum=$QNUM_NFQWS_MY1 $NFQWS_MY1_OPT" do_nfqws $1 $DNUM_NFQWS_MY1 "$opt" } zapret_custom_firewall() { # $1 - 1 - run, 0 - stop local f4 f6 subnet local NFQWS_MY1_PORTS_TCP=$(replace_char - : $NFQWS_MY1_PORTS_TCP) local NFQWS_MY1_PORTS_UDP=$(replace_char - : $NFQWS_MY1_PORTS_UDP) [ "$1" = 1 -a "$DISABLE_IPV4" != 1 ] && { ipset create $NFQWS_MY1_NAME4 $NFQWS_MY1_IPSET_OPT family inet 2>/dev/null ipset flush $NFQWS_MY1_NAME4 for subnet in $NFQWS_MY1_SUBNETS4; do echo add $NFQWS_MY1_NAME4 $subnet done | ipset -! restore } [ "$1" = 1 -a "$DISABLE_IPV6" != 1 ] && { ipset create $NFQWS_MY1_NAME6 $NFQWS_MY1_IPSET_OPT family inet6 2>/dev/null ipset flush $NFQWS_MY1_NAME6 for subnet in $NFQWS_MY1_SUBNETS6; do echo add $NFQWS_MY1_NAME6 $subnet done | ipset -! restore } [ -n "$NFQWS_MY1_PORTS_TCP" ] && { [ -n "$NFQWS_MY1_TCP_PKT_OUT" -a "$NFQWS_MY1_TCP_PKT_OUT" != 0 ] && { f4="-p tcp -m multiport --dports $NFQWS_MY1_PORTS_TCP $ipt_connbytes 1:$NFQWS_MY1_TCP_PKT_OUT -m set --match-set" f6="$f4 $NFQWS_MY1_NAME6 dst" f4="$f4 $NFQWS_MY1_NAME4 dst" fw_nfqws_post $1 "$f4" "$f6" $QNUM_NFQWS_MY1 } [ -n "$NFQWS_MY1_TCP_PKT_IN" -a "$NFQWS_MY1_TCP_PKT_IN" != 0 ] && { f4="-p tcp -m multiport --sports $NFQWS_MY1_PORTS_TCP $ipt_connbytes 1:$NFQWS_MY1_TCP_PKT_IN -m set --match-set" f6="$f4 $NFQWS_MY1_NAME6 src" f4="$f4 $NFQWS_MY1_NAME4 src" fw_nfqws_pre $1 "$f4" "$f6" $QNUM_NFQWS_MY1 } } [ -n "$NFQWS_MY1_PORTS_UDP" ] && { [ -n "$NFQWS_MY1_UDP_PKT_OUT" -a "$NFQWS_MY1_UDP_PKT_OUT" != 0 ] && { f4="-p udp -m multiport --dports $NFQWS_MY1_PORTS_UDP $ipt_connbytes 1:$NFQWS_MY1_UDP_PKT_OUT -m set --match-set" f6="$f4 $NFQWS_MY1_NAME6 dst" f4="$f4 $NFQWS_MY1_NAME4 dst" fw_nfqws_post $1 "$f4" "$f6" $QNUM_NFQWS_MY1 } [ -n "$NFQWS_MY1_UDP_PKT_IN" -a "$NFQWS_MY1_UDP_PKT_IN" != 0 ] && { f4="-p udp -m multiport --sports $NFQWS_MY1_PORTS_UDP $ipt_connbytes 1:$NFQWS_MY1_UDP_PKT_IN -m set --match-set" f6="$f4 $NFQWS_MY1_NAME6 src" f4="$f4 $NFQWS_MY1_NAME4 src" fw_nfqws_pre $1 "$f4" "$f6" $QNUM_NFQWS_MY1 } } [ "$1" = 1 ] || { ipset destroy $NFQWS_MY1_NAME4 2>/dev/null ipset destroy $NFQWS_MY1_NAME6 2>/dev/null } } zapret_custom_firewall_nft() { local f4 f6 subnet local first_packets_only="$nft_connbytes 1-$NFQWS_MY1_PKT_OUT" [ "$DISABLE_IPV4" != 1 ] && { make_comma_list subnets $NFQWS_MY1_SUBNETS4 nft_create_set $NFQWS_MY1_NAME4 "type ipv4_addr; size $NFQWS_MY1_IPSET_SIZE; auto-merge; flags interval;" nft_flush_set $NFQWS_MY1_NAME4 nft_add_set_element $NFQWS_MY1_NAME4 "$subnets" } [ "$DISABLE_IPV6" != 1 ] && { make_comma_list subnets $NFQWS_MY1_SUBNETS6 nft_create_set $NFQWS_MY1_NAME6 "type ipv6_addr; size $NFQWS_MY1_IPSET_SIZE; auto-merge; flags interval;" nft_flush_set $NFQWS_MY1_NAME6 nft_add_set_element $NFQWS_MY1_NAME6 "$subnets" } [ -n "$NFQWS_MY1_PORTS_TCP" ] && { [ -n "$NFQWS_MY1_TCP_PKT_OUT" -a "$NFQWS_MY1_TCP_PKT_OUT" != 0 ] && { f4="tcp dport {$NFQWS_MY1_PORTS_TCP} $(nft_first_packets $NFQWS_MY1_TCP_PKT_OUT)" f6="$f4 ip6 daddr @$NFQWS_MY1_NAME6" f4="$f4 ip daddr @$NFQWS_MY1_NAME4" nft_fw_nfqws_post $1 "$f4" "$f6" $QNUM_NFQWS_MY1 } [ -n "$NFQWS_MY1_TCP_PKT_IN" -a "$NFQWS_MY1_TCP_PKT_IN" != 0 ] && { f4="tcp sport {$NFQWS_MY1_PORTS_TCP} $(nft_first_packets $NFQWS_MY1_TCP_PKT_IN)" f6="$f4 ip6 saddr @$NFQWS_MY1_NAME6" f4="$f4 ip saddr @$NFQWS_MY1_NAME4" nft_fw_nfqws_pre $1 "$f4" "$f6" $QNUM_NFQWS_MY1 } } [ -n "$NFQWS_MY1_PORTS_UDP" ] && { [ -n "$NFQWS_MY1_UDP_PKT_OUT" -a "$NFQWS_MY1_UDP_PKT_OUT" != 0 ] && { f4="udp dport {$NFQWS_MY1_PORTS_UDP} $(nft_first_packets $NFQWS_MY1_UDP_PKT_OUT)" f6="$f4 ip6 daddr @$NFQWS_MY1_NAME6" f4="$f4 ip daddr @$NFQWS_MY1_NAME4" nft_fw_nfqws_post $1 "$f4" "$f6" $QNUM_NFQWS_MY1 } [ -n "$NFQWS_MY1_UDP_PKT_IN" -a "$NFQWS_MY1_UDP_PKT_IN" != 0 ] && { f4="udp sport {$NFQWS_MY1_PORTS_UDP} $(nft_first_packets $NFQWS_MY1_UDP_PKT_IN)" f6="$f4 ip6 saddr @$NFQWS_MY1_NAME6" f4="$f4 ip saddr @$NFQWS_MY1_NAME4" nft_fw_nfqws_pre $1 "$f4" "$f6" $QNUM_NFQWS_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 $NFQWS_MY1_NAME4 2>/dev/null nft_del_set $NFQWS_MY1_NAME6 2>/dev/null }