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log-forward: add rate limit to prevent flooding

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Christian Hesse 2020-09-28 20:20:19 +02:00
parent 42289b6239
commit 744542e925
1 changed files with 15 additions and 0 deletions
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15
log-forward
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@ -10,6 +10,7 @@
:global LogForwardFilter; :global LogForwardFilter;
:global LogForwardFilterMessage; :global LogForwardFilterMessage;
:global LogForwardLast; :global LogForwardLast;
:global LogForwardRateLimit;
:global LogPrintExit; :global LogPrintExit;
:global MailServerIsUp; :global MailServerIsUp;
@ -20,6 +21,15 @@
$ScriptLock "log-forward"; $ScriptLock "log-forward";
:if ([ :typeof $LogForwardRateLimit ] = "nothing") do={
:set LogForwardRateLimit 0;
}
:if ($LogForwardRateLimit > 30) do={
:set LogForwardRateLimit ($LogForwardRateLimit - 1);
$LogPrintExit info ("Rate limit in action, not forwarding logs!") true;
}
$WaitFullyConnected; $WaitFullyConnected;
:if ([ $MailServerIsUp ] = false) do={ :if ([ $MailServerIsUp ] = false) do={
@ -48,5 +58,10 @@ $WaitFullyConnected;
("The log on " . $Identity . " contains these " . $Count . " messages after " . \ ("The log on " . $Identity . " contains these " . $Count . " messages after " . \
[ / system resource get uptime ] . " uptime.\n" . $Messages); [ / system resource get uptime ] . " uptime.\n" . $Messages);
:set LogForwardRateLimit ($LogForwardRateLimit + 10);
:set LogForwardLast ($MessageVal->".id"); :set LogForwardLast ($MessageVal->".id");
} else={
:if ($LogForwardRateLimit > 0) do={
:set LogForwardRateLimit ($LogForwardRateLimit - 1);
}
} }