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daily-psk: support new wifi package

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This commit is contained in:
Christian Hesse 2023-11-14 10:31:40 +01:00
parent d598b2d70e
commit 53103be324
3 changed files with 109 additions and 7 deletions
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9
daily-psk.template.rsc
View file

@ -56,17 +56,22 @@ $WaitFullyConnected;
:local NewPsk [ $GeneratePSK $Date ];
:foreach AccList in=[ /caps-man/access-list/find where comment~$DailyPskMatchComment ] do={
:foreach AccList in=[ /interface/wifi/access-list/find where comment~$DailyPskMatchComment ] do={
:foreach AccList in=[ /interface/wifiwave2/access-list/find where comment~$DailyPskMatchComment ] do={
:foreach AccList in=[ /interface/wireless/access-list/find where comment~$DailyPskMatchComment ] do={
:local SsidRegExp [ /caps-man/access-list/get $AccList ssid-regexp ];
:local SsidRegExp [ /interface/wifi/access-list/get $AccList ssid-regexp ];
:local SsidRegExp [ /interface/wifiwave2/access-list/get $AccList ssid-regexp ];
:local Configuration ([ /caps-man/configuration/find where ssid~$SsidRegExp ]->0);
:local Configuration ([ /interface/wifi/configuration/find where ssid~$SsidRegExp ]->0);
:local Configuration ([ /interface/wifiwave2/configuration/find where ssid~$SsidRegExp ]->0);
:local Ssid [ /caps-man/configuration/get $Configuration ssid ];
:local Ssid [ /interface/wifi/configuration/get $Configuration ssid ];
:local Ssid [ /interface/wifiwave2/configuration/get $Configuration ssid ];
:local OldPsk [ /caps-man/access-list/get $AccList private-passphrase ];
:local OldPsk [ /interface/wifi/access-list/get $AccList passphrase ];
:local OldPsk [ /interface/wifiwave2/access-list/get $AccList passphrase ];
# /caps-man/ /interface/wifiwave2/ above - /interface/wireless/ below
# /caps-man/ /interface/wifi/ /interface/wifiwave2/ above - /interface/wireless/ below
:local IntName [ /interface/wireless/access-list/get $AccList interface ];
:local Ssid [ /interface/wireless/get $IntName ssid ];
:local OldPsk [ /interface/wireless/access-list/get $AccList private-pre-shared-key ];
@ -75,10 +80,12 @@ $WaitFullyConnected;
:if ($NewPsk != $OldPsk) do={
$LogPrintExit2 info $0 ("Updating daily PSK for " . $Ssid . " to " . $NewPsk . " (was " . $OldPsk . ")") false;
/caps-man/access-list/set $AccList private-passphrase=$NewPsk;
/interface/wifi/access-list/set $AccList passphrase=$NewPsk;
/interface/wifiwave2/access-list/set $AccList passphrase=$NewPsk;
/interface/wireless/access-list/set $AccList private-pre-shared-key=$NewPsk;
:if ([ :len [ /caps-man/actual-interface-configuration/find where configuration.ssid=$Ssid !disabled ] ] > 0) do={
:if ([ :len [ /interface/wifi/actual-configuration/find where configuration.ssid=$Ssid ] ] > 0) do={
:if ([ :len [ /interface/wifiwave2/actual-configuration/find where configuration.ssid=$Ssid ] ] > 0) do={
:if ([ :len [ /interface/wireless/find where name=$IntName !disabled ] ] = 1) do={
:if ($Seen->$Ssid = 1) do={

85
daily-psk.wifi.rsc Normal file
View file

@ -0,0 +1,85 @@
#!rsc by RouterOS
# RouterOS script: daily-psk.wifi
# Copyright (c) 2013-2023 Christian Hesse <mail@eworm.de>
# Michael Gisbers <michael@gisbers.de>
# https://git.eworm.de/cgit/routeros-scripts/about/COPYING.md
#
# update daily PSK (pre shared key)
# https://git.eworm.de/cgit/routeros-scripts/about/doc/daily-psk.md
#
# !! Do not edit this file, it is generated from template!
:local 0 "daily-psk.wifi";
:global GlobalFunctionsReady;
:while ($GlobalFunctionsReady != true) do={ :delay 500ms; }
:global DailyPskMatchComment;
:global DailyPskQrCodeUrl;
:global Identity;
:global FormatLine;
:global LogPrintExit2;
:global ScriptLock;
:global SendNotification2;
:global SymbolForNotification;
:global UrlEncode;
:global WaitForFile;
:global WaitFullyConnected;
$ScriptLock $0;
$WaitFullyConnected;
# return pseudo-random string for PSK
:local GeneratePSK do={
:local Date [ :tostr $1 ];
:global DailyPskSecrets;
:global ParseDate;
:set Date [ $ParseDate $Date ];
:local A ((14 - ($Date->"month")) / 12);
:local B (($Date->"year") - $A);
:local C (($Date->"month") + 12 * $A - 2);
:local WeekDay (7000 + ($Date->"day") + $B + ($B / 4) - ($B / 100) + ($B / 400) + ((31 * $C) / 12));
:set WeekDay ($WeekDay - (($WeekDay / 7) * 7));
:return (($DailyPskSecrets->0->(($Date->"day") - 1)) . \
($DailyPskSecrets->1->(($Date->"month") - 1)) . \
($DailyPskSecrets->2->$WeekDay));
}
:local Seen ({});
:local Date [ /system/clock/get date ];
:local NewPsk [ $GeneratePSK $Date ];
:foreach AccList in=[ /interface/wifi/access-list/find where comment~$DailyPskMatchComment ] do={
:local SsidRegExp [ /interface/wifi/access-list/get $AccList ssid-regexp ];
:local Configuration ([ /interface/wifi/configuration/find where ssid~$SsidRegExp ]->0);
:local Ssid [ /interface/wifi/configuration/get $Configuration ssid ];
:local OldPsk [ /interface/wifi/access-list/get $AccList passphrase ];
:local Skip 0;
:if ($NewPsk != $OldPsk) do={
$LogPrintExit2 info $0 ("Updating daily PSK for " . $Ssid . " to " . $NewPsk . " (was " . $OldPsk . ")") false;
/interface/wifi/access-list/set $AccList passphrase=$NewPsk;
:if ([ :len [ /interface/wifi/actual-configuration/find where configuration.ssid=$Ssid ] ] > 0) do={
:if ($Seen->$Ssid = 1) do={
$LogPrintExit2 debug $0 ("Already sent a mail for SSID " . $Ssid . ", skipping.") false;
} else={
:local Link ($DailyPskQrCodeUrl . \
"?scale=8&level=1&ssid=" . [ $UrlEncode $Ssid ] . "&pass=" . [ $UrlEncode $NewPsk ]);
$SendNotification2 ({ origin=$0; \
subject=([ $SymbolForNotification "calendar" ] . "daily PSK " . $Ssid); \
message=("This is the daily PSK on " . $Identity . ":\n\n" . \
[ $FormatLine "SSID" $Ssid ] . "\n" . \
[ $FormatLine "PSK" $NewPsk ] . "\n" . \
[ $FormatLine "Date" $Date ] . "\n\n" . \
"A client device specific rule must not exist!"); link=$Link });
:set ($Seen->$Ssid) 1;
}
}
}
}

22
doc/daily-psk.md
View file

@ -21,12 +21,18 @@ Requirements and installation
Just install this script.
Depending on whether you use `wifiwave2` package (`/interface/wifiwave2`)
or legacy wifi with CAPsMAN (`/caps-man`) or local wireless interface
(`/interface/wireless`) you need to install a different script and add
schedulers to run the script:
Depending on whether you use `wifi` package (`/interface/wifi`), `wifiwave2`
package (`/interface/wifiwave2`), legacy wifi with CAPsMAN (`/caps-man`)
or local wireless interface (`/interface/wireless`) you need to install a
different script and add schedulers to run the script:
For `wifiwave2`:
For `wifi` (RouterOS 7.13 and later):
$ScriptInstallUpdate daily-psk.wifi;
/system/scheduler/add interval=1d name=daily-psk on-event="/system/script/run daily-psk.wifi;" start-time=03:00:00;
/system/scheduler/add name=daily-psk@startup on-event="/system/script/run daily-psk.wifi;" start-time=startup;
For `wifiwave2` (up to RouterOS 7.12):
$ScriptInstallUpdate daily-psk.wifiwave2;
/system/scheduler/add interval=1d name=daily-psk on-event="/system/script/run daily-psk.wifiwave2;" start-time=03:00:00;
@ -58,7 +64,11 @@ The configuration goes to `global-config-overlay`, these are the parameters:
> [`global-config`](../global-config.rsc) (the one without `-overlay`) to
> your local `global-config-overlay` and modify it to your specific needs.
Then add an access list entry. For `wifiwave2`:
Then add an access list entry. For `wifi` (RouterOS 7.13 and later):
/interface/wifi/access-list/add comment="Daily PSK" ssid-regexp="-guest\$" passphrase="ToBeChangedDaily";
For `wifiwave2` (up to RouterOS 7.12):
/interface/wifiwave2/access-list/add comment="Daily PSK" ssid-regexp="-guest\$" passphrase="ToBeChangedDaily";