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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 ParseKeyValueStore;
:global SendNotification;
:global UrlEncode;
:global WaitForFile;
:local FormatExpire do={
:global CharacterReplace;
:return [ $CharacterReplace [ $CharacterReplace [ :tostr $1 ] "w" "w " ] "d" "d " ];
}
:foreach Cert in=[ / certificate find where !revoked !ca expires-after<3w ] do={
:local CertVal [ / certificate get $Cert ];
:do {
:if ([ :len $CertRenewUrl ] = 0) do={
:log info "No CertRenewUrl given.";
:error "No CertRenewUrl given.";
}
:foreach Type in={ ".pem"; ".p12" } do={
:local CertFileName ([ $UrlEncode ($CertVal->"common-name") ] . $Type);
:do {
/ tool fetch check-certificate=yes-without-crl \
($CertRenewUrl . $CertFileName) dst-path=$CertFileName;
$WaitForFile $CertFileName;
:foreach PassPhrase in=$CertRenewPass do={
/ certificate import file-name=$CertFileName passphrase=$PassPhrase;
}
/ file remove [ find where name=$CertFileName ];
} on-error={
:log debug ("Could not download certificate file " . $CertFileName);
}
}
:local CertNew [ / certificate find where common-name=($CertVal->"common-name") fingerprint!=[ :tostr ($CertVal->"fingerprint") ] expires-after>3w ];
:local CertNewVal [ / certificate get $CertNew ];
:if ($Cert != $CertNew) do={
:log debug ("Certificate '" . $CertVal->"name" . "' was not updated, but replaced.");
/ ip service set certificate=($CertNewVal->"name") [ find where certificate=($CertVal->"name") ];
:do {
/ ip ipsec identity set certificate=($CertNewVal->"name") [ / ip ipsec identity find where certificate=($CertVal->"name") ];
/ ip ipsec identity set remote-certificate=($CertNewVal->"name") [ / ip ipsec identity find where remote-certificate=($CertVal->"name") ];
} on-error={
:log debug ("Setting IPSEC certificates failed. Package 'security' not installed?");
}
:do {
/ ip hotspot profile set ssl-certificate=($CertNewVal->"name") [ / ip hotspot profile find where ssl-certificate=($CertVal->"name") ];
} on-error={
:log debug ("Setting hotspot certificates failed. Package 'hotspot' not installed?");
}
/ certificate remove $Cert;
/ certificate set $CertNew name=($CertVal->"name");
}
$SendNotification ("Certificate renewed") \
("A certificate on " . $Identity . " has been renewed.\n\n" . \
"Name: " . ($CertVal->"name") . "\n" . \
"CommonName: " . ($CertNewVal->"common-name") . "\n" . \
"Fingerprint: " . ($CertNewVal->"fingerprint") . "\n" . \
"Issuer: " . ([ $ParseKeyValueStore ($CertNewVal->"issuer") ]->"CN") . "\n" . \
"Validity: " . ($CertNewVal->"invalid-before") . " to " . ($CertNewVal->"invalid-after") . "\n" . \
"Expires in: " . [ $FormatExpire ($CertNewVal->"expires-after") ]);
:log info ("The certificate " . ($CertVal->"name") . " has been renewed.");
} on-error={
:log debug ("Could not renew certificate " . ($CertVal->"name") . ".");
}
}
:foreach Cert in=[ / certificate find where !revoked expires-after<2w fingerprint~"."] do={
:local CertVal [ / certificate get $Cert ];
:local ExpiresAfter [ $FormatExpire ($CertVal->"expires-after") ];
:local State "is about to expire";
:if (($CertVal->"expired") = true) do={
:set ExpiresAfter "expired";
:set State "expired";
}
$SendNotification ("Certificate warning!") \
("A certificate on " . $Identity . " " . $State . ".\n\n" . \
"Name: " . ($CertVal->"name") . "\n" . \
"CommonName: " . ($CertVal->"common-name") . "\n" . \
"Fingerprint: " . ($CertVal->"fingerprint") . "\n" . \
"Issuer: " . ($CertVal->"ca") . ([ $ParseKeyValueStore ($CertVal->"issuer") ]->"CN") . "\n" . \
"Validity: " . ($CertVal->"invalid-before") . " to " . ($CertVal->"invalid-after") . "\n" . \
"Expires in: " . $ExpiresAfter);
:log warning ("The certificate " . ($CertVal->"name") . " " . $State . \
", it is invalid after " . ($CertVal->"invalid-after") . ".");
}
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