From 19fb7b61ea4c92fe61db5cbfa34fe0a932acea39 Mon Sep 17 00:00:00 2001
From: Christian Hesse <mail@eworm.de>
Date: Mon, 4 Mar 2024 13:48:00 +0100
Subject: backup-email: move code into function

---
 backup-email.rsc | 181 ++++++++++++++++++++++++++++---------------------------
 1 file changed, 93 insertions(+), 88 deletions(-)

(limited to 'backup-email.rsc')

diff --git a/backup-email.rsc b/backup-email.rsc
index 86f9003..7380a5d 100644
--- a/backup-email.rsc
+++ b/backup-email.rsc
@@ -9,104 +9,109 @@
 # create and email backup and config file
 # https://git.eworm.de/cgit/routeros-scripts/about/doc/backup-email.md
 
-:local 0 [ :jobname ];
 :global GlobalFunctionsReady;
 :while ($GlobalFunctionsReady != true) do={ :delay 500ms; }
 
-:global BackupPassword;
-:global BackupRandomDelay;
-:global BackupSendBinary;
-:global BackupSendExport;
-:global BackupSendGlobalConfig;
-:global Domain;
-:global Identity;
-
-:global CleanName;
-:global DeviceInfo;
-:global FormatLine;
-:global LogPrintExit2;
-:global MkDir;
-:global RandomDelay;
-:global ScriptFromTerminal;
-:global ScriptLock;
-:global SendEMail2;
-:global SymbolForNotification;
-:global WaitForFile;
-:global WaitFullyConnected;
-
-:if ([ :typeof $SendEMail2 ] = "nothing") do={
-  $LogPrintExit2 error $0 ("The module for sending notifications via e-mail is not installed.") true;
-}
+:local Main do={
+  :local ScriptName [ :tostr $1 ];
 
-:if ($BackupSendBinary != true && \
-     $BackupSendExport != true) do={
-  $LogPrintExit2 error $0 ("Configured to send neither backup nor config export.") true;
-}
+  :global BackupPassword;
+  :global BackupRandomDelay;
+  :global BackupSendBinary;
+  :global BackupSendExport;
+  :global BackupSendGlobalConfig;
+  :global Domain;
+  :global Identity;
 
-$ScriptLock $0;
-$WaitFullyConnected;
+  :global CleanName;
+  :global DeviceInfo;
+  :global FormatLine;
+  :global LogPrintExit2;
+  :global MkDir;
+  :global RandomDelay;
+  :global ScriptFromTerminal;
+  :global ScriptLock;
+  :global SendEMail2;
+  :global SymbolForNotification;
+  :global WaitForFile;
+  :global WaitFullyConnected;
 
-:if ([ $ScriptFromTerminal $0 ] = false && $BackupRandomDelay > 0) do={
-  $RandomDelay $BackupRandomDelay;
-}
+  :if ([ :typeof $SendEMail2 ] = "nothing") do={
+    $LogPrintExit2 error $ScriptName ("The module for sending notifications via e-mail is not installed.") true;
+  }
 
-# filename based on identity
-:local DirName ("tmpfs/" . $0);
-:local FileName [ $CleanName ($Identity . "." . $Domain) ];
-:local FilePath ($DirName . "/" . $FileName);
-:local BackupFile "none";
-:local ExportFile "none";
-:local ConfigFile "none";
-:local Attach ({});
-
-:if ([ $MkDir $DirName ] = false) do={
-  $LogPrintExit2 error $0 ("Failed creating directory!") true;
-}
+  :if ($BackupSendBinary != true && \
+       $BackupSendExport != true) do={
+    $LogPrintExit2 error $ScriptName ("Configured to send neither backup nor config export.") true;
+  }
 
-# binary backup
-:if ($BackupSendBinary = true) do={
-  /system/backup/save encryption=aes-sha256 name=$FilePath password=$BackupPassword;
-  $WaitForFile ($FilePath . ".backup");
-  :set BackupFile ($FileName . ".backup");
-  :set Attach ($Attach, ($FilePath . ".backup"));
-}
+  $ScriptLock $ScriptName;
+  $WaitFullyConnected;
 
-# create configuration export
-:if ($BackupSendExport = true) do={
-  /export terse show-sensitive file=$FilePath;
-  $WaitForFile ($FilePath . ".rsc");
-  :set ExportFile ($FileName . ".rsc");
-  :set Attach ($Attach, ($FilePath . ".rsc"));
-}
+  :if ([ $ScriptFromTerminal $ScriptName ] = false && $BackupRandomDelay > 0) do={
+    $RandomDelay $BackupRandomDelay;
+  }
 
-# global-config-overlay
-:if ($BackupSendGlobalConfig = true) do={
-  # Do *NOT* use '/file/add ...' here, as it is limited to 4095 bytes!
-  :execute script={ :put [ /system/script/get global-config-overlay source ]; } \
-      file=($FilePath . ".conf\00");
-  $WaitForFile ($FilePath . ".conf");
-  :set ConfigFile ($FileName . ".conf");
-  :set Attach ($Attach, ($FilePath . ".conf"));
-}
+  # filename based on identity
+  :local DirName ("tmpfs/" . $ScriptName);
+  :local FileName [ $CleanName ($Identity . "." . $Domain) ];
+  :local FilePath ($DirName . "/" . $FileName);
+  :local BackupFile "none";
+  :local ExportFile "none";
+  :local ConfigFile "none";
+  :local Attach ({});
 
-# send email with status and files
-$SendEMail2 ({ origin=$0; \
-  subject=([ $SymbolForNotification "floppy-disk,incoming-envelope" ] . \
-    "Backup & Config"); \
-  message=("See attached files for backup and config export for " . \
-    $Identity . ".\n\n" . \
-    [ $DeviceInfo ] . "\n\n" . \
-    [ $FormatLine "Backup file" $BackupFile ] . "\n" . \
-    [ $FormatLine "Export file" $ExportFile ] . "\n" . \
-    [ $FormatLine "Config file" $ConfigFile ]); \
-  attach=$Attach; remove-attach=true });
-
-# wait for the mail to be sent
-:local I 0;
-:while ([ :len [ /file/find where name ~ ($FilePath . "\\.(backup|rsc)\$") ] ] > 0) do={
-  :if ($I >= 120) do={
-    $LogPrintExit2 warning $0 ("Files are still available, sending e-mail failed.") true;
+  :if ([ $MkDir $DirName ] = false) do={
+    $LogPrintExit2 error $ScriptName ("Failed creating directory!") true;
+  }
+
+  # binary backup
+  :if ($BackupSendBinary = true) do={
+    /system/backup/save encryption=aes-sha256 name=$FilePath password=$BackupPassword;
+    $WaitForFile ($FilePath . ".backup");
+    :set BackupFile ($FileName . ".backup");
+    :set Attach ($Attach, ($FilePath . ".backup"));
+  }
+
+  # create configuration export
+  :if ($BackupSendExport = true) do={
+    /export terse show-sensitive file=$FilePath;
+    $WaitForFile ($FilePath . ".rsc");
+    :set ExportFile ($FileName . ".rsc");
+    :set Attach ($Attach, ($FilePath . ".rsc"));
+  }
+
+  # global-config-overlay
+  :if ($BackupSendGlobalConfig = true) do={
+    # Do *NOT* use '/file/add ...' here, as it is limited to 4095 bytes!
+    :execute script={ :put [ /system/script/get global-config-overlay source ]; } \
+        file=($FilePath . ".conf\00");
+    $WaitForFile ($FilePath . ".conf");
+    :set ConfigFile ($FileName . ".conf");
+    :set Attach ($Attach, ($FilePath . ".conf"));
+  }
+
+  # send email with status and files
+  $SendEMail2 ({ origin=$ScriptName; \
+    subject=([ $SymbolForNotification "floppy-disk,incoming-envelope" ] . \
+      "Backup & Config"); \
+    message=("See attached files for backup and config export for " . \
+      $Identity . ".\n\n" . \
+      [ $DeviceInfo ] . "\n\n" . \
+      [ $FormatLine "Backup file" $BackupFile ] . "\n" . \
+      [ $FormatLine "Export file" $ExportFile ] . "\n" . \
+      [ $FormatLine "Config file" $ConfigFile ]); \
+    attach=$Attach; remove-attach=true });
+
+  # wait for the mail to be sent
+  :local I 0;
+  :while ([ :len [ /file/find where name ~ ($FilePath . "\\.(backup|rsc)\$") ] ] > 0) do={
+    :if ($I >= 120) do={
+      $LogPrintExit2 warning $ScriptName ("Files are still available, sending e-mail failed.") true;
+    }
+    :delay 1s;
+    :set I ($I + 1);
   }
-  :delay 1s;
-  :set I ($I + 1);
 }
+
+$Main [ :jobname ];
-- 
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