diff options
Diffstat (limited to 'update-gre-address.rsc')
-rw-r--r-- | update-gre-address.rsc | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/update-gre-address.rsc b/update-gre-address.rsc new file mode 100644 index 0000000..76d0c81 --- /dev/null +++ b/update-gre-address.rsc @@ -0,0 +1,42 @@ +#!rsc by RouterOS +# RouterOS script: update-gre-address +# Copyright (c) 2013-2024 Christian Hesse <mail@eworm.de> +# https://git.eworm.de/cgit/routeros-scripts/about/COPYING.md +# +# requires RouterOS, version=7.13 +# +# update gre interface remote address with dynamic address from +# ipsec remote peer +# https://git.eworm.de/cgit/routeros-scripts/about/doc/update-gre-address.md + +:global GlobalFunctionsReady; +:while ($GlobalFunctionsReady != true) do={ :delay 500ms; } + +:do { + :local ScriptName [ :jobname ]; + + :global CharacterReplace; + :global LogPrint; + :global ScriptLock; + + :if ([ $ScriptLock $ScriptName ] = false) do={ + :error false; + } + + /interface/gre/set remote-address=0.0.0.0 disabled=yes [ find where !running !disabled ]; + + :foreach Peer in=[ /ip/ipsec/active-peers/find ] do={ + :local PeerVal [ /ip/ipsec/active-peers/get $Peer ]; + :local GreInt [ /interface/gre/find where comment=($PeerVal->"id") or comment=[ $CharacterReplace ($PeerVal->"id") "CN=" "" ] ]; + :if ([ :len $GreInt ] > 0) do={ + :local GreIntVal [ /interface/gre/get $GreInt ]; + :if ([ :typeof ($PeerVal->"dynamic-address") ] = "str" && \ + ($PeerVal->"dynamic-address" != $GreIntVal->"remote-address" || \ + $GreIntVal->"disabled" = true)) do={ + $LogPrint info $ScriptName ("Updating remote address for interface " . $GreIntVal->"name" . " to " . $PeerVal->"dynamic-address"); + /interface/gre/set remote-address=0.0.0.0 disabled=yes [ find where remote-address=$PeerVal->"dynamic-address" name!=$GreIntVal->"name" ]; + /interface/gre/set $GreInt remote-address=($PeerVal->"dynamic-address") disabled=no; + } + } + } +} on-error={ } |