routeros-scripts/check-certificates
Christian Hesse 6b6c3d5119 check-certificates: drop extra warning
A sent notification implies that renewal failed.
2019-01-09 10:31:54 +01:00

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#!rsc
# RouterOS script: check-certificates
# Copyright (c) 2013-2019 Christian Hesse <mail@eworm.de>
#
# check for certificate validity
:global Identity;
:global CertRenewUrl;
:global CertRenewPass;
:global SendNotification;
:local Months { "jan"; "feb"; "mar"; "apr"; "may"; "jun";
"jul"; "aug"; "sep"; "oct"; "nov"; "dec" };
:local CurrentDate [ / system clock get date ];
:local CurrentDay [ :pick $CurrentDate 4 6 ];
:local CurrentYear [ :pick $CurrentDate 7 11 ];
:local CurrentMonth ([ :find $Months [ :pick $CurrentDate 0 3 ] ] + 1);
:local CurrentStamp ($CurrentYear * 365 + $CurrentMonth * 30 + $CurrentDay);
:foreach Cert in=[ / certificate find where !revoked ] do={
:local CertName [ / certificate get $Cert name ];
:local InvalidDate [ / certificate get $Cert invalid-after ];
:if ([ :len $InvalidDate ] > 0) do={
:local InvalidDay [ :pick $InvalidDate 4 6 ];
:local InvalidYear [ :pick $InvalidDate 7 11 ];
:local InvalidMonth ([ :find $Months [ :pick $InvalidDate 0 3 ] ] + 1);
:local InvalidStamp ($InvalidYear * 365 + $InvalidMonth * 30 + $InvalidDay);
:local Remaining ($InvalidStamp - $CurrentStamp);
:if ($Remaining < 15) do={
:local CommonName [ / certificate get $Cert common-name ];
:local FingerPrint [ / certificate get $Cert fingerprint ];
:do {
:if ([ :len $CertRenewUrl ] = 0) do={
:error "No CertRenewUrl given.";
}
/ tool fetch mode=https check-certificate=yes-without-crl url=($CertRenewUrl . $CommonName . ".pem");
/ certificate import file-name=($CommonName . ".pem") passphrase=$CertRenewPass;
/ file remove [ find where name=($CommonName . ".pem") ];
:local CertNew [ / certificate find where common-name=$CommonName fingerprint!=$FingerPrint ];
:local CertNameNew [ / certificate get $CertNew name ];
:foreach IpService in=[ / ip service find where certificate=$CertName ] do={
/ ip service set $IpService certificate=$CertNameNew;
}
:do {
:foreach Hotspot in=[ / ip hotspot profile find where ssl-certificate=$CertName ] do={
/ ip hotspot profile set $Hotspot ssl-certificate=$CertNameNew;
}
} on-error={
:log debug ("Setting hotspot certificates failed. Hotspot package not installed?");
}
/ certificate remove $Cert;
/ certificate set $CertNew name=$CertName;
} on-error={
:local InvalidBefore [ / certificate get $Cert invalid-before ];
:local InvalidAfter [ / certificate get $Cert invalid-after ];
$SendNotification ("Certificate warning!") \
("A certificate on " . $Identity . " is about to expire.\n\n" . \
"Certificate Name: " . $CertName . "\n" . \
"Common Name: " . $CommonName . "\n" . \
"Fingerprint: " . $FingerPrint . "\n" . \
"Validity: " . $InvalidBefore . " to " . $InvalidAfter);
:log warning ("A certificate is about to expire within " . $Remaining . " days: " . $CertName);
}
} else={
:log debug ("The certificate " . $CertName . " expires in " . $Remaining . " days.");
}
} else={
:log debug ("The certificate " . $CertName . " is just a template.");
}
}