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