diff options
Diffstat (limited to 'check-certificates.rsc')
| -rw-r--r-- | check-certificates.rsc | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/check-certificates.rsc b/check-certificates.rsc new file mode 100644 index 0000000..8a06f8b --- /dev/null +++ b/check-certificates.rsc @@ -0,0 +1,138 @@ +#!rsc by RouterOS +# RouterOS script: check-certificates +# Copyright (c) 2013-2023 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 CertWarnTime; +:global Identity; + +:global CertificateAvailable +:global CertificateNameByCN; +:global IfThenElse; +:global LogPrintExit2; +:global ParseKeyValueStore; +:global SendNotification2; +: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 $CertFileName; + + :local DecryptionFailed true; + :foreach PassPhrase in=$CertRenewPass do={ + :local Result [ /certificate/import file-name=$CertFileName passphrase=$PassPhrase as-value ]; + :if ($Result->"decryption-failures" = 0) do={ + :set DecryptionFailed false; + } + } + /file/remove [ find where name=$CertFileName ]; + + :if ($DecryptionFailed = true) do={ + $LogPrintExit2 warning $0 ("Decryption failed for certificate file " . $CertFileName) false; + } + + :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") ]; + + /ip/ipsec/identity/set certificate=($CertNewVal->"name") [ find where certificate=($CertVal->"name") ]; + /ip/ipsec/identity/set remote-certificate=($CertNewVal->"name") [ find where remote-certificate=($CertVal->"name") ]; + + /ip/hotspot/profile/set ssl-certificate=($CertNewVal->"name") [ find where ssl-certificate=($CertVal->"name") ]; + + /certificate/remove $Cert; + /certificate/set $CertNew name=($CertVal->"name"); + } + + $SendNotification2 ({ origin=$0; \ + subject=([ $SymbolForNotification "lock-with-ink-pen" ] . "Certificate renewed"); \ + message=("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") ]); silent=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<$CertWarnTime !(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" ]; + + $SendNotification2 ({ origin=$0; \ + subject=([ $SymbolForNotification "warning-sign" ] . "Certificate warning!"); \ + message=("A certificate on " . $Identity . " " . $State . ".\n\n" . \ + "Name: " . ($CertVal->"name") . "\n" . \ + "CommonName: " . ($CertVal->"common-name") . "\n" . \ + "Private key: " . [ $IfThenElse (($CertVal->"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; + } +} |