init.d: custom script 50-wg4all

init.d/openwrt/custom.d.examples/50-wg4all

@@ -0,0 +1,30 @@
+# this custom script runs desync to all wireguard handshake initiation packets
+
+# can override in config :
+NFQWS_OPT_DESYNC_WG="${NFQWS_OPT_DESYNC_WG:---dpi-desync=fake --dpi-desync-any-protocol}"
+
+alloc_dnum DNUM_WG4ALL
+alloc_qnum QNUM_WG4ALL
+
+zapret_custom_daemons()
+{
+        # stop logic is managed by procd
+
+        local opt="--qnum=$QNUM_WG4ALL $NFQWS_OPT_BASE $NFQWS_OPT_DESYNC_WG"
+        run_daemon $DNUM_WG4ALL $NFQWS "$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
+}

init.d/sysv/custom.d.examples/50-wg4all

@@ -0,0 +1,30 @@
+# this custom script runs desync to all wireguard handshake initiation packets
+
+# can override in config :
+NFQWS_OPT_DESYNC_WG="${NFQWS_OPT_DESYNC_WG:---dpi-desync=fake --dpi-desync-any-protocol}"
+
+alloc_dnum DNUM_WG4ALL
+alloc_qnum QNUM_WG4ALL
+
+zapret_custom_daemons()
+{
+        # stop logic is managed by procd
+
+        local opt="--qnum=$QNUM_WG4ALL $NFQWS_OPT_BASE $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
+}