From e1f134ead584c7b2e9ed406f5520d7f1a23294aa Mon Sep 17 00:00:00 2001
From: Christian Hesse <mail@eworm.de>
Date: Thu, 5 Jul 2018 15:29:26 +0200
Subject: add scripts

---
 GeneratePSK | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 GeneratePSK

(limited to 'GeneratePSK')

diff --git a/GeneratePSK b/GeneratePSK
new file mode 100644
index 0000000..c40bb7c
--- /dev/null
+++ b/GeneratePSK
@@ -0,0 +1,51 @@
+# RouterOS script: GeneratePSK
+# Copyright (c) 2013-2018 Christian Hesse <mail@eworm.de>
+#
+# return pseudo-random string for PSK
+
+:local date [ / system clock get date ];
+
+# 0-30 for days of month
+:local
+secret1 { "Abusive"; "Aggressive"; "Bored"; "Chemical"; "Cold"; "Cruel";
+  "Curved"; "Delightful"; "Discreet"; "Elite"; "Evasive"; "Faded"; "Flat";
+  "Future"; "Grandiose"; "Hanging"; "Humorous"; "Interesting"; "Magenta";
+  "Magnificent"; "Numerous"; "Optimal"; "Pathetic"; "Possessive";
+  "Remarkable"; "Rightful"; "Ruthless"; "Stale"; "Unusual"; "Useless";
+  "Various" };
+# 0-11 for month of year
+:local secret2 { "Adhesive"; "Amusing"; "Astonishing"; "Frantic";
+  "Kindhearted"; "Limping"; "Roasted"; "Robust"; "Staking"; "Thundering";
+  "Ultra"; "Unusual" };
+# 0-6 for days of week
+:local secret3 { "Belief"; "Button"; "Curtain"; "Edge"; "Jewel"; "String";
+  "Whistle" };
+
+:local months { "jan"; "feb"; "mar"; "apr"; "may"; "jun"; "jul"; "aug"; "sep";
+  "oct"; "nov"; "dec" };
+:local monthtbl { 0; 3; 3; 6; 1; 4; 6; 2; 5; 0; 3; 5 };
+
+:local monthstr [ :pick $date 0 3 ];
+:local month;
+:local day [ :pick $date 4 6 ];
+:local century [ :pick $date 7 9 ];
+:local year [ :pick $date 9 11 ];
+
+# get numeric value for month
+:for mindex from=0 to=[ :len $months ] do={
+  :if ([ :pick $months $mindex ] = $monthstr) do={
+    :set month $mindex;
+  };
+};
+
+# calculate day of week
+:local sum 0;
+:set sum ($sum + (2 * (3 - ($century - (($century / 4) * 4)))));
+:set sum ($sum + ($year / 4));
+:set sum ($sum + $year + $day);
+:set sum ($sum + $month);
+:set sum ($sum - (($sum / 7) * 7));
+
+:local return ([ :pick $secret1 ($day - 1) ] . [ :pick $secret2 $month ] . [ :pick $secret3 $sum ]);
+
+:return $return;
-- 
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