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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 GetIssuerCN do={
:foreach IssuerI in=$1 do={
:if ([ :pick $IssuerI 0 3 ] = "CN=") do={
:return [ :pick $IssuerI 3 99 ];
}
}
}
:local FormatExpire do={
:global CharacterReplace;
:return [ $CharacterReplace [ $CharacterReplace [ :tostr $1 ] "w" "w " ] "d" "d " ];
}
:foreach Cert in=[ / certificate find where !revoked expires-after<3w ] do={
:local CertName [ / certificate get $Cert name ];
: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 expires-after>3w ];
:local CertNameNew [ / certificate get $CertNew name ];
:foreach IpService in=[ / ip service find where certificate=$CertName ] do={
/ ip service set $IpService certificate=$CertNameNew;
}
:do {
:foreach Identity in=[ / ip ipsec identity find where certificate=$CertName ] do={
/ ip ipsec identity set $Identity certificate=$CertNameNew;
}
:foreach Identity in=[ / ip ipsec identity find where remote-certificate=$CertName ] do={
/ ip ipsec identity set $Identity remote-certificate=$CertNameNew;
}
} on-error={
:log debug ("Setting IPSEC certificates failed. Package 'security' not installed?");
}
: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. Package 'hotspot' not installed?");
}
/ certificate remove $Cert;
/ certificate set $CertNew name=$CertName;
:set CommonName [ / certificate get $CertNew common-name ];
:set FingerPrint [ / certificate get $CertNew fingerprint ];
:local Issuer [ $GetIssuerCN [ / certificate get $CertNew issuer ] ];
:local InvalidBefore [ / certificate get $CertNew invalid-before ];
:local InvalidAfter [ / certificate get $CertNew invalid-after ];
:local ExpiresAfter [ $FormatExpire [ / certificate get $CertNew expires-after ] ];
$SendNotification ("Certificate renewed") \
("A certificate on " . $Identity . " has been renewed.\n\n" . \
"Name: " . $CertName . "\n" . \
"CommonName: " . $CommonName . "\n" . \
"Fingerprint: " . $FingerPrint . "\n" . \
"Issuer: " . $Issuer . "\n" . \
"Validity: " . $InvalidBefore . " to " . $InvalidAfter . "\n" . \
"Expires in: " . $ExpiresAfter);
:log info ("The certificate " . $CertName . " has been renewed.");
} on-error={
:log debug ("Could not renew certificate " . $CertName ".");
}
}
:foreach Cert in=[ / certificate find where !revoked expires-after<2w ] do={
:local CertName [ / certificate get $Cert name ];
:local CommonName [ / certificate get $Cert common-name ];
:local FingerPrint [ / certificate get $Cert fingerprint ];
:local Issuer [ $GetIssuerCN [ / certificate get $Cert issuer ] ];
:local InvalidBefore [ / certificate get $Cert invalid-before ];
:local InvalidAfter [ / certificate get $Cert invalid-after ];
:local ExpiresAfter [ $FormatExpire [ / certificate get $Cert expires-after ] ];
:local State "is about to expire";
:if ([ / certificate get $Cert expired ] = true) do={
:set ExpiresAfter "expired";
:set State "expired";
}
$SendNotification ("Certificate warning!") \
("A certificate on " . $Identity . " " . $State . ".\n\n" . \
"Name: " . $CertName . "\n" . \
"CommonName: " . $CommonName . "\n" . \
"Fingerprint: " . $FingerPrint . "\n" . \
"Issuer: " . $Issuer . "\n" . \
"Validity: " . $InvalidBefore . " to " . $InvalidAfter . "\n" . \
"Expires in: " . $ExpiresAfter);
:log warning ("The certificate " . $CertName . " " . $State . \
", it is invalid after " . $InvalidAfter . ".");
}
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