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authorGravatar Christian Hesse <mail@eworm.de>2021-09-17 16:23:53 +0200
committerGravatar Christian Hesse <mail@eworm.de>2021-09-21 21:26:13 +0200
commit8b05d254871f5c04184aca6c992b1871fc8f98b8 (patch)
tree452e417048907c9c1be6a88a3e2295cc5cc5deb0 /global-functions.d
parent5391045bd5ea85f4ee61f90b5a9ddd90f0b62df9 (diff)
global-functions: move $IPCalc to optional module
Diffstat (limited to 'global-functions.d')
-rw-r--r--global-functions.d/ipcalc35
1 files changed, 35 insertions, 0 deletions
diff --git a/global-functions.d/ipcalc b/global-functions.d/ipcalc
new file mode 100644
index 0000000..f146fbe
--- /dev/null
+++ b/global-functions.d/ipcalc
@@ -0,0 +1,35 @@
+#!rsc by RouterOS
+# RouterOS script: global-functions.d/ipcalc
+# Copyright (c) 2020-2021 Christian Hesse <mail@eworm.de>
+# https://git.eworm.de/cgit/routeros-scripts/about/COPYING.md
+
+:global IPCalc;
+
+# calculate and print netmask, network, min host, max host and broadcast
+:set IPCalc do={
+ :local Input [ :tostr $1 ];
+ :local Address [ :toip [ :pick $Input 0 [ :find $Input "/" ] ] ];
+ :local Bits [ :tonum [ :pick $Input ([ :find $Input "/" ] + 1) [ :len $Input ] ] ];
+ :local Mask ((255.255.255.255 << (32 - $Bits)) & 255.255.255.255);
+
+ :local Return {
+ "address"=$Address;
+ "netmask"=$Mask;
+ "networkaddress"=($Address & $Mask);
+ "networkbits"=$Bits;
+ "network"=(($Address & $Mask) . "/" . $Bits);
+ "hostmin"=(($Address & $Mask) | 0.0.0.1);
+ "hostmax"=(($Address | ~$Mask) ^ 0.0.0.1);
+ "broadcast"=($Address | ~$Mask);
+ }
+
+ :put ( \
+ "Address: " . $Return->"address" . "\n\r" . \
+ "Netmask: " . $Return->"netmask" . "\n\r" . \
+ "Network: " . $Return->"network" . "\n\r" . \
+ "HostMin: " . $Return->"hostmin" . "\n\r" . \
+ "HostMax: " . $Return->"hostmax" . "\n\r" . \
+ "Broadcast: " . $Return->"broadcast");
+
+ :return $Return;
+}