diff --git a/init.d/custom.d.examples.linux/50-cloudflare b/init.d/custom.d.examples.linux/50-cloudflare new file mode 100644 index 0000000..e2372ee --- /dev/null +++ b/init.d/custom.d.examples.linux/50-cloudflare @@ -0,0 +1,83 @@ +NFQWS_CLOUDFLARE_OPTS="${NFQWS_CLOUDFLARE_OPTS:---dpi-desync=fake --dpi-desync-repeats=3 --dpi-desync-ttl=6}" +NFQWS_CLOUDFLARE_PORTS=${NFQWS_CLOUDFLARE_PORTS:-443,80} +NFQWS_CLOUDFLARE_SUBNETS_IPV4="103.21.244.0/22 103.22.200.0/22 103.31.4.0/22 104.16.0.0/13 104.24.0.0/14 108.162.192.0/18 131.0.72.0/22 141.101.64.0/18 162.158.0.0/15 172.64.0.0/13 173.245.48.0/20 188.114.96.0/20 190.93.240.0/20 197.234.240.0/22 198.41.128.0/17" +NFQWS_CLOUDFLARE_SUBNETS_IPV6="2400:cb00::/32 2405:8100::/32 2405:b500::/32 2606:4700::/32 2803:f800::/32 2a06:98c0::/29 2c0f:f248::/32" + +alloc_dnum DNUM_NFQWS_CLOUDFLARE +alloc_qnum QNUM_NFQWS_CLOUDFLARE +NFQWS_CLOUDFLARE_SET_NAME_IPV4=cloudflare_nfqws_ipv4 +NFQWS_CLOUDFLARE_SET_NAME_IPV6=cloudflare_nfqws_ipv6 + +zapret_custom_daemons() +{ + local opt="--qnum=$QNUM_NFQWS_CLOUDFLARE $NFQWS_CLOUDFLARE_OPTS" + do_nfqws $1 $DNUM_NFQWS_CLOUDFLARE "$opt" +} + +zapret_custom_firewall() +{ + local first_packets_only="$ipt_connbytes 1:3" + local dest_set_ipv4="-m set --match-set $NFQWS_CLOUDFLARE_SET_NAME_IPV4 dst" + local dest_set_ipv6="-m set --match-set $NFQWS_CLOUDFLARE_SET_NAME_IPV6 dst" + local subnet + + [ "$1" = 1 ] && { + ipset create $NFQWS_CLOUDFLARE_SET_NAME_IPV4 hash:net hashsize 8192 maxelem 4096 2>/dev/null + ipset flush $NFQWS_CLOUDFLARE_SET_NAME_IPV4 + for subnet in $NFQWS_CLOUDFLARE_SUBNETS_IPV4; do + echo add $NFQWS_CLOUDFLARE_SET_NAME_IPV4 $subnet + done | ipset -! restore + + [ "$DISABLE_IPV6" != "1" ] && { + ipset create $NFQWS_CLOUDFLARE_SET_NAME_IPV6 hash:net family inet6 hashsize 8192 maxelem 4096 2>/dev/null + ipset flush $NFQWS_CLOUDFLARE_SET_NAME_IPV6 + for subnet in $NFQWS_CLOUDFLARE_SUBNETS_IPV6; do + echo add $NFQWS_CLOUDFLARE_SET_NAME_IPV6 $subnet + done | ipset -! restore + } + } + + local f="-p tcp -m multiport --dports $NFQWS_CLOUDFLARE_PORTS" + fw_nfqws_post $1 "$f $first_packets_only $dest_set_ipv4" "" $QNUM_NFQWS_CLOUDFLARE + + [ "$DISABLE_IPV6" != "1" ] && fw_nfqws_post $1 "$f $first_packets_only $dest_set_ipv6" "" $QNUM_NFQWS_CLOUDFLARE + + [ "$1" = 1 ] || { + ipset destroy $NFQWS_CLOUDFLARE_SET_NAME_IPV4 2>/dev/null + [ "$DISABLE_IPV6" != "1" ] && ipset destroy $NFQWS_CLOUDFLARE_SET_NAME_IPV6 2>/dev/null + } +} + +zapret_custom_firewall_nft() +{ + local first_packets_only="$nft_connbytes 1-3" + local dest_set_ipv4="ip daddr @$NFQWS_CLOUDFLARE_SET_NAME_IPV4" + local dest_set_ipv6="ip6 daddr @$NFQWS_CLOUDFLARE_SET_NAME_IPV6" + local nft_rules_ipv4="type ipv4_addr; size 4096; auto-merge; flags interval;" + local nft_rules_ipv6="type ipv6_addr; size 4096; auto-merge; flags interval;" + local subnets subnets_ipv6 + + make_comma_list subnets $NFQWS_CLOUDFLARE_SUBNETS_IPV4 + make_comma_list subnets_ipv6 $NFQWS_CLOUDFLARE_SUBNETS_IPV6 + + nft_create_set $NFQWS_CLOUDFLARE_SET_NAME_IPV4 "$nft_rules_ipv4" + nft_flush_set $NFQWS_CLOUDFLARE_SET_NAME_IPV4 + nft_add_set_element $NFQWS_CLOUDFLARE_SET_NAME_IPV4 "$subnets" + + [ "$DISABLE_IPV6" != "1" ] && { + nft_create_set $NFQWS_CLOUDFLARE_SET_NAME_IPV6 "$nft_rules_ipv6" + nft_flush_set $NFQWS_CLOUDFLARE_SET_NAME_IPV6 + nft_add_set_element $NFQWS_CLOUDFLARE_SET_NAME_IPV6 "$subnets_ipv6" + } + + local f="tcp dport {$NFQWS_CLOUDFLARE_PORTS}" + nft_fw_nfqws_post "$f $first_packets_only $dest_set_ipv4" "" $QNUM_NFQWS_CLOUDFLARE + + [ "$DISABLE_IPV6" != "1" ] && nft_fw_nfqws_post "$f $first_packets_only $dest_set_ipv6" "" $QNUM_NFQWS_CLOUDFLARE +} + +zapret_custom_firewall_nft_flush() +{ + nft_del_set $NFQWS_CLOUDFLARE_SET_NAME_IPV4 2>/dev/null + [ "$DISABLE_IPV6" != "1" ] && nft_del_set $NFQWS_CLOUDFLARE_SET_NAME_IPV6 2>/dev/null +}