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-rw-r--r--global-functions17
1 files changed, 17 insertions, 0 deletions
diff --git a/global-functions b/global-functions
index c3cab0c..eaf4532 100644
--- a/global-functions
+++ b/global-functions
@@ -30,6 +30,7 @@
:global GetMacVendor;
:global GetRandomNumber;
:global GetRandomSha256;
+:global IPCalc;
:global LogPrintExit;
:global MailServerIsUp;
:global MkDir;
@@ -335,6 +336,22 @@
:return $FingerPrint;
}
+# 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);
+
+ :put ( \
+ "Address: " . $Address . "\n\r" . \
+ "Netmask: " . $Mask . "\n\r" . \
+ "Network: " . ($Address & $Mask) . "/" . $Bits . "\n\r" . \
+ "HostMin: " . (($Address & $Mask) | 0.0.0.1) . "\n\r" . \
+ "HostMax: " . (($Address | ~$Mask) ^ 0.0.0.1) . "\n\r" . \
+ "Broadcast: " . ($Address | ~$Mask));
+}
+
# log and print with same text, optionally exit
:set LogPrintExit do={
:local Severity [ :tostr $1 ];