diff options
| -rw-r--r-- | ipsec-to-dns.rsc | 103 |
1 files changed, 54 insertions, 49 deletions
diff --git a/ipsec-to-dns.rsc b/ipsec-to-dns.rsc index 512ef68..ff445e6 100644 --- a/ipsec-to-dns.rsc +++ b/ipsec-to-dns.rsc @@ -8,67 +8,72 @@ # and add/remove/update DNS entries from IPSec mode-config # https://git.eworm.de/cgit/routeros-scripts/about/doc/ipsec-to-dns.md -:local 0 [ :jobname ]; :global GlobalFunctionsReady; :while ($GlobalFunctionsReady != true) do={ :delay 500ms; } -:global Domain; -:global HostNameInZone; -:global Identity; -:global PrefixInZone; +:local Main do={ + :local ScriptName [ :tostr $1 ]; -:global CharacterReplace; -:global EscapeForRegEx; -:global IfThenElse; -:global LogPrintExit2; -:global ScriptLock; + :global Domain; + :global HostNameInZone; + :global Identity; + :global PrefixInZone; -$ScriptLock $0; + :global CharacterReplace; + :global EscapeForRegEx; + :global IfThenElse; + :global LogPrintExit2; + :global ScriptLock; -:local Zone \ - ([ $IfThenElse ($PrefixInZone = true) "ipsec." ] . \ - [ $IfThenElse ($HostNameInZone = true) ($Identity . ".") ] . $Domain); -:local Ttl 5m; -:local CommentPrefix ("managed by " . $0 . " for "); -:local CommentString ("--- " . $0 . " above ---"); + $ScriptLock $ScriptName; -:if ([ :len [ /ip/dns/static/find where (name=$CommentString or (comment=$CommentString and name=-)) type=NXDOMAIN disabled ] ] = 0) do={ - /ip/dns/static/add name=$CommentString type=NXDOMAIN disabled=yes; - $LogPrintExit2 warning $0 ("Added disabled static dns record with name '" . $CommentString . "'.") false; -} -:local PlaceBefore ([ /ip/dns/static/find where (name=$CommentString or (comment=$CommentString and name=-)) type=NXDOMAIN disabled ]->0); + :local Zone \ + ([ $IfThenElse ($PrefixInZone = true) "ipsec." ] . \ + [ $IfThenElse ($HostNameInZone = true) ($Identity . ".") ] . $Domain); + :local Ttl 5m; + :local CommentPrefix ("managed by " . $ScriptName . " for "); + :local CommentString ("--- " . $ScriptName . " above ---"); -:foreach DnsRecord in=[ /ip/dns/static/find where comment~("^" . $CommentPrefix) ] do={ - :local DnsRecordVal [ /ip/dns/static/get $DnsRecord ]; - :local PeerId [ $CharacterReplace ($DnsRecordVal->"comment") $CommentPrefix "" ]; - :if ([ :len [ /ip/ipsec/active-peers/find where id~("^(CN=)?" . [ $EscapeForRegEx $PeerId ] . "\$") \ - dynamic-address=($DnsRecordVal->"address") ] ] > 0) do={ - $LogPrintExit2 debug $0 ("Peer " . $PeerId . " (" . $DnsRecordVal->"name" . ") still exists. Not deleting DNS entry.") false; - } else={ - :local Found false; - $LogPrintExit2 info $0 ("Peer " . $PeerId . " (" . $DnsRecordVal->"name" . ") has gone, deleting DNS entry.") false; - /ip/dns/static/remove $DnsRecord; + :if ([ :len [ /ip/dns/static/find where (name=$CommentString or (comment=$CommentString and name=-)) type=NXDOMAIN disabled ] ] = 0) do={ + /ip/dns/static/add name=$CommentString type=NXDOMAIN disabled=yes; + $LogPrintExit2 warning $ScriptName ("Added disabled static dns record with name '" . $CommentString . "'.") false; } -} + :local PlaceBefore ([ /ip/dns/static/find where (name=$CommentString or (comment=$CommentString and name=-)) type=NXDOMAIN disabled ]->0); -:foreach Peer in=[ /ip/ipsec/active-peers/find where !(dynamic-address=[]) ] do={ - :local PeerVal [ /ip/ipsec/active-peers/get $Peer ]; - :local PeerId [ $CharacterReplace ($PeerVal->"id") "CN=" "" ]; - :local Comment ($CommentPrefix . $PeerId); - :local HostName [ :pick $PeerId 0 [ :find ($PeerId . ".") "." ] ]; + :foreach DnsRecord in=[ /ip/dns/static/find where comment~("^" . $CommentPrefix) ] do={ + :local DnsRecordVal [ /ip/dns/static/get $DnsRecord ]; + :local PeerId [ $CharacterReplace ($DnsRecordVal->"comment") $CommentPrefix "" ]; + :if ([ :len [ /ip/ipsec/active-peers/find where id~("^(CN=)?" . [ $EscapeForRegEx $PeerId ] . "\$") \ + dynamic-address=($DnsRecordVal->"address") ] ] > 0) do={ + $LogPrintExit2 debug $ScriptName ("Peer " . $PeerId . " (" . $DnsRecordVal->"name" . ") still exists. Not deleting DNS entry.") false; + } else={ + :local Found false; + $LogPrintExit2 info $ScriptName ("Peer " . $PeerId . " (" . $DnsRecordVal->"name" . ") has gone, deleting DNS entry.") false; + /ip/dns/static/remove $DnsRecord; + } + } + + :foreach Peer in=[ /ip/ipsec/active-peers/find where !(dynamic-address=[]) ] do={ + :local PeerVal [ /ip/ipsec/active-peers/get $Peer ]; + :local PeerId [ $CharacterReplace ($PeerVal->"id") "CN=" "" ]; + :local Comment ($CommentPrefix . $PeerId); + :local HostName [ :pick $PeerId 0 [ :find ($PeerId . ".") "." ] ]; - :local Fqdn ($HostName . "." . $Zone); - :local DnsRecord [ /ip/dns/static/find where name=$Fqdn ]; - :if ([ :len $DnsRecord ] > 0) do={ - :local DnsIp [ /ip/dns/static/get $DnsRecord address ]; - :if ($DnsIp = $PeerVal->"dynamic-address") do={ - $LogPrintExit2 debug $0 ("DNS entry for " . $Fqdn . " does not need updating.") false; + :local Fqdn ($HostName . "." . $Zone); + :local DnsRecord [ /ip/dns/static/find where name=$Fqdn ]; + :if ([ :len $DnsRecord ] > 0) do={ + :local DnsIp [ /ip/dns/static/get $DnsRecord address ]; + :if ($DnsIp = $PeerVal->"dynamic-address") do={ + $LogPrintExit2 debug $ScriptName ("DNS entry for " . $Fqdn . " does not need updating.") false; + } else={ + $LogPrintExit2 info $ScriptName ("Replacing DNS entry for " . $Fqdn . ", new address is " . $PeerVal->"dynamic-address" . ".") false; + /ip/dns/static/set name=$Fqdn address=($PeerVal->"dynamic-address") ttl=$Ttl comment=$Comment $DnsRecord; + } } else={ - $LogPrintExit2 info $0 ("Replacing DNS entry for " . $Fqdn . ", new address is " . $PeerVal->"dynamic-address" . ".") false; - /ip/dns/static/set name=$Fqdn address=($PeerVal->"dynamic-address") ttl=$Ttl comment=$Comment $DnsRecord; + $LogPrintExit2 info $ScriptName ("Adding new DNS entry for " . $Fqdn . ", address is " . $PeerVal->"dynamic-address" . ".") false; + /ip/dns/static/add name=$Fqdn address=($PeerVal->"dynamic-address") ttl=$Ttl comment=$Comment place-before=$PlaceBefore; } - } else={ - $LogPrintExit2 info $0 ("Adding new DNS entry for " . $Fqdn . ", address is " . $PeerVal->"dynamic-address" . ".") false; - /ip/dns/static/add name=$Fqdn address=($PeerVal->"dynamic-address") ttl=$Ttl comment=$Comment place-before=$PlaceBefore; } } + +$Main [ :jobname ]; |