#!rsc # RouterOS script: check-certificates # Copyright (c) 2013-2020 Christian Hesse # https://git.eworm.de/cgit/routeros-scripts/about/COPYING.md # # check for certificate validity # https://git.eworm.de/cgit/routeros-scripts/about/doc/check-certificates.md :global CertRenewPass; :global CertRenewUrl; :global Identity; :global CertificateAvailable :global CertificateNameByCN; :global IfThenElse; :global LogPrintExit; :global ParseKeyValueStore; :global SendNotification; :global SymbolForNotification; :global TimeIsSync; :global UrlEncode; :global WaitForFile; :local FormatExpire do={ :global CharacterReplace; :return [ $CharacterReplace [ $CharacterReplace [ :tostr $1 ] "w" "w " ] "d" "d " ]; } :if ($TimeIsSync = false) do={ $LogPrintExit warning ("Time is not yet synchronized.") true; } :foreach Cert in=[ / certificate find where !revoked !ca !scep-url expires-after<3w ] do={ :local CertVal [ / certificate get $Cert ]; :do { :if ([ :len $CertRenewUrl ] = 0) do={ $LogPrintExit warning ("No CertRenewUrl given.") true; } :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 ]; :foreach CertInChain in=[ / certificate find where name~("^" . $CertFileName . "_[0-9]+\$") common-name!=($CertVal->"common-name") ] do={ $CertificateNameByCN [ / certificate get $CertInChain common-name ]; } } on-error={ $LogPrintExit debug ("Could not download certificate file " . $CertFileName) false; } } :local CertNew [ / certificate find where common-name=($CertVal->"common-name") fingerprint!=[ :tostr ($CertVal->"fingerprint") ] expires-after>3w ]; :local CertNewVal [ / certificate get $CertNew ]; :if ([ $CertificateAvailable ([ $ParseKeyValueStore ($CertNewVal->"issuer") ]->"CN") ] = false) do={ $LogPrintExit warning ("The certificate chain is not available!") false; } :if ($Cert != $CertNew) do={ $LogPrintExit debug ("Certificate '" . $CertVal->"name" . "' was not updated, but replaced.") false; / ip service set certificate=($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={ $LogPrintExit debug ("Setting IPSEC certificates failed. Package 'security' not installed?") false; } :do { / ip hotspot profile set ssl-certificate=($CertNewVal->"name") [ / ip hotspot profile find where ssl-certificate=($CertVal->"name") ]; } on-error={ $LogPrintExit debug ("Setting hotspot certificates failed. Package 'hotspot' not installed?") false; } / certificate remove $Cert; / certificate set $CertNew name=($CertVal->"name"); } $SendNotification ([ $SymbolForNotification "lock-with-ink-pen" ] . "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") ]) "" "true"; $LogPrintExit info ("The certificate " . ($CertVal->"name") . " has been renewed.") false; } on-error={ $LogPrintExit debug ("Could not renew certificate " . ($CertVal->"name") . ".") false; } } :foreach Cert in=[ / certificate find where !revoked !scep-url expires-after<2w fingerprint~"." ] do={ :local CertVal [ / certificate get $Cert ]; :if ([ / certificate scep-server print count-only where ca-cert=($CertVal->"ca") ] > 0) do={ $LogPrintExit debug ("Certificate \"" . ($CertVal->"name") . "\" is handled by SCEP, skipping.") false; } else={ :local State [ $IfThenElse (($CertVal->"expired") = true) "expired" "is about to expire" ]; $SendNotification ([ $SymbolForNotification "warning-sign" ] . "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: " . [ $IfThenElse (($CertVal->"expired") = true) "expired" [ $FormatExpire ($CertVal->"expires-after") ] ]); $LogPrintExit warning ("The certificate " . ($CertVal->"name") . " " . $State . \ ", it is invalid after " . ($CertVal->"invalid-after") . ".") false; } }