#!rsc by RouterOS # RouterOS script: check-certificates # Copyright (c) 2013-2021 Christian Hesse <mail@eworm.de> # 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 :local 0 "check-certificates"; :global GlobalFunctionsReady; :while ($GlobalFunctionsReady != true) do={ :delay 500ms; } :global CertRenewPass; :global CertRenewTime; :global CertRenewUrl; :global Identity; :global CertificateAvailable :global CertificateNameByCN; :global IfThenElse; :global LogPrintExit2; :global ParseKeyValueStore; :global SendNotification; :global SymbolForNotification; :global UrlEncode; :global WaitForFile; :global WaitFullyConnected; :local FormatExpire do={ :global CharacterReplace; :return [ $CharacterReplace [ $CharacterReplace [ :tostr $1 ] "w" "w " ] "d" "d " ]; } $WaitFullyConnected; :foreach Cert in=[ / certificate find where !revoked !ca !scep-url expires-after<$CertRenewTime ] do={ :local CertVal [ / certificate get $Cert ]; :do { :if ([ :len $CertRenewUrl ] = 0) do={ $LogPrintExit2 info $0 ("No CertRenewUrl given.") true; } $LogPrintExit2 info $0 ("Attempting to renew certificate " . ($CertVal->"name") . ".") false; :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 as-value; $WaitForFile $CertFileName; :foreach PassPhrase in=$CertRenewPass do={ / certificate import file-name=$CertFileName passphrase=$PassPhrase as-value; } / 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={ $LogPrintExit2 debug $0 ("Could not download certificate file " . $CertFileName) false; } } :local CertNew [ / certificate find where common-name=($CertVal->"common-name") fingerprint!=[ :tostr ($CertVal->"fingerprint") ] expires-after>$CertRenewTime ]; :local CertNewVal [ / certificate get $CertNew ]; :if ([ $CertificateAvailable ([ $ParseKeyValueStore ($CertNewVal->"issuer") ]->"CN") ] = false) do={ $LogPrintExit2 warning $0 ("The certificate chain is not available!") false; } :if ($Cert != $CertNew) do={ $LogPrintExit2 debug $0 ("Certificate '" . $CertVal->"name" . "' was not updated, but replaced.") false; :if (($CertVal->"private-key") = true && ($CertVal->"private-key") != ($CertNewVal->"private-key")) do={ / certificate remove $CertNew; $LogPrintExit2 warning $0 ("Old certificate '" . ($CertVal->"name") . "' has a private key, new certificate does not. Aborting renew.") true; } / 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={ $LogPrintExit2 debug $0 ("Setting IPSEC certificates failed. Package 'security' not installed?") false; } :do { / ip hotspot profile set ssl-certificate=($CertNewVal->"name") [ / ip hotspot profile find where ssl-certificate=($CertVal->"name") ]; } on-error={ $LogPrintExit2 debug $0 ("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" . \ "Private key: " . [ $IfThenElse (($CertNewVal->"private-key") = true) "available" "missing" ] . "\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"; $LogPrintExit2 info $0 ("The certificate " . ($CertVal->"name") . " has been renewed.") false; } on-error={ $LogPrintExit2 debug $0 ("Could not renew certificate " . ($CertVal->"name") . ".") false; } } :foreach Cert in=[ / certificate find where !revoked !scep-url !(expires-after=[]) expires-after<2w !(fingerprint=[]) ] do={ :local CertVal [ / certificate get $Cert ]; :if ([ :len [ / certificate scep-server find where ca-cert=($CertVal->"ca") ] ] > 0) do={ $LogPrintExit2 debug $0 ("Certificate \"" . ($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" . \ "Private key: " . [ $IfThenElse (($CertNewVal->"private-key") = true) "available" "missing" ] . "\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") ] ]); $LogPrintExit2 info $0 ("The certificate " . ($CertVal->"name") . " " . $State . \ ", it is invalid after " . ($CertVal->"invalid-after") . ".") false; } }