global-functions: drop $HexToNum

This was introduced with RouterOS 7.22beta1.

Initializing $LogForwardLast with boolean value looks odd, but this is
reuqired to match the very first message.

doc/log-forward.md

@@ -4,7 +4,7 @@ Forward log messages via notification
 [![GitHub stars](https://img.shields.io/github/stars/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=red)](https://github.com/eworm-de/routeros-scripts/stargazers)
 [![GitHub forks](https://img.shields.io/github/forks/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=green)](https://github.com/eworm-de/routeros-scripts/network)
 [![GitHub watchers](https://img.shields.io/github/watchers/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=blue)](https://github.com/eworm-de/routeros-scripts/watchers)
-[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.17-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
+[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.22beta1-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
 [![Telegram group @routeros_scripts](https://img.shields.io/badge/Telegram-%40routeros__scripts-%2326A5E4?logo=telegram&style=flat)](https://t.me/routeros_scripts)
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log-forward.rsc

@@ -3,7 +3,7 @@
 # Copyright (c) 2020-2026 Christian Hesse <mail@eworm.de>
 # https://rsc.eworm.de/COPYING.md
 #
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.22beta1
 #
 # forward log messages via notification
 # https://rsc.eworm.de/doc/log-forward.md
@@ -37,8 +37,9 @@
     :error false;
   }
 
-  # LogForwardLast is not initialized, by intention: we want
-  # to catch *0 on first invocation!
+  :if ([ :typeof $LogForwardLast ] = "nothing") do={
+    :set LogForwardLast false;
+  }
 
   :if ([ :typeof $LogForwardRateLimit ] = "nothing") do={
     :set LogForwardRateLimit 0;
@@ -64,10 +65,10 @@
   :set LogForwardIncludeMessage [ $EitherOr $LogForwardIncludeMessage [] ];
 
   :local LogAll [ /log/find ];
-  :local LogForwardMax ($LogAll->([ :len $LogAll ] - 1) );
+  :local Max ($LogAll->([ :len $LogAll ] - 1));
   :local LogForwardFilterLogForwardingCached [ $EitherOr [ $LogForwardFilterLogForwarding ] ("\$^") ];
 
-  :foreach Message in=[ /log/find where .id>$LogForwardLast and .id<=$LogForwardMax and \
+  :foreach Message in=[ /log/find where .id>$LogForwardLast and .id<=$Max and \
       ((!(message="") and !(message~$LogForwardFilterLogForwardingCached) and \
         !(topics~$LogForwardFilter) and !(message~$LogForwardFilterMessage)) or \
        topics~$LogForwardInclude or message~$LogForwardIncludeMessage) ] do={
@@ -108,7 +109,7 @@
     :set LogForwardRateLimit [ $MAX 0 ($LogForwardRateLimit - 1) ];
   }
 
-  :set LogForwardLast $LogForwardMax;
+  :set LogForwardLast $Max;
 } do={
   :global ExitError; $ExitError $ExitOK [ :jobname ] $Err;
 }

netwatch-dns.rsc

@@ -104,7 +104,8 @@
 
   :foreach DohServer in=$DohServers do={
     :if ([ :len ($DohServer->"doh-cert") ] > 0) do={
-      :if ([ $CertificateAvailable ($DohServer->"doh-cert") "dns" ] = false) do={
+      :if ([ $CertificateAvailable ($DohServer->"doh-cert") "fetch" ] = false || \
+           [ $CertificateAvailable ($DohServer->"doh-cert") "dns" ] = false) do={
         $LogPrint warning $ScriptName ("Downloading certificate failed, trying without.");
       }
     }