#!rsc by RouterOS # RouterOS script: global-functions # Copyright (c) 2013-2024 Christian Hesse # Michael Gisbers # https://git.eworm.de/cgit/routeros-scripts/about/COPYING.md # # requires RouterOS, version=7.13 # # global functions # https://git.eworm.de/cgit/routeros-scripts/about/ :local ScriptName [ :jobname ]; # expected configuration version :global ExpectedConfigVersion 131; # global variables not to be changed by user :global GlobalFunctionsReady false; :global Identity [ /system/identity/get name ]; # global functions :global AlignRight; :global CertificateAvailable; :global CertificateDownload; :global CertificateNameByCN; :global CharacterMultiply; :global CharacterReplace; :global CleanFilePath; :global CleanName; :global DeviceInfo; :global Dos2Unix; :global DownloadPackage; :global EitherOr; :global EscapeForRegEx; :global FetchHuge; :global FetchUserAgentStr; :global FormatLine; :global FormatMultiLines; :global GetMacVendor; :global GetRandom20CharAlNum; :global GetRandom20CharHex; :global GetRandomNumber; :global Grep; :global HexToNum; :global HumanReadableNum; :global IfThenElse; :global IsDefaultRouteReachable; :global IsDNSResolving; :global IsFullyConnected; :global IsMacLocallyAdministered; :global IsTimeSync; :global LogPrint; :global LogPrintOnce; :global MAX; :global MIN; :global MkDir; :global NotificationFunctions; :global ParseDate; :global ParseKeyValueStore; :global PrettyPrint; :global ProtocolStrip; :global RandomDelay; :global RequiredRouterOS; :global ScriptFromTerminal; :global ScriptInstallUpdate; :global ScriptLock; :global SendNotification; :global SendNotification2; :global SymbolByUnicodeName; :global SymbolForNotification; :global Unix2Dos; :global UrlEncode; :global ValidateSyntax; :global VersionToNum; :global WaitDefaultRouteReachable; :global WaitDNSResolving; :global WaitForFile; :global WaitFullyConnected; :global WaitTimeSync; # align string to the right :set AlignRight do={ :local Input [ :tostr $1 ]; :local Len [ :tonum $2 ]; :global CharacterMultiply; :global EitherOr; :set Len [ $EitherOr $Len 8 ]; :local Spaces [ $CharacterMultiply " " $Len ]; :return ([ :pick $Spaces 0 ($Len - [ :len $Input ]) ] . $Input); } # check and download required certificate :set CertificateAvailable do={ :local CommonName [ :tostr $1 ]; :global CertificateDownload; :global LogPrint; :global ParseKeyValueStore; :if ([ /system/resource/get free-hdd-space ] < 8388608 && \ [ /certificate/settings/get crl-download ] = true && \ [ /certificate/settings/get crl-store ] = "system") do={ $LogPrint warning $0 ("This system has low free flash space but " . \ "is configured to download certificate CRLs to system!"); } :if ([ :len [ /certificate/find where common-name=$CommonName ] ] = 0) do={ $LogPrint info $0 ("Certificate with CommonName '" . $CommonName . "' not available."); :if ([ $CertificateDownload $CommonName ] = false) do={ :return false; } } :local CertVal [ /certificate/get [ find where common-name=$CommonName ] ]; :while (($CertVal->"akid") != "" && ($CertVal->"akid") != ($CertVal->"skid")) do={ :if ([ :len [ /certificate/find where skid=($CertVal->"akid") ] ] = 0) do={ $LogPrint info $0 ("Certificate chain for '" . $CommonName . \ "' is incomplete, missing '" . ([ $ParseKeyValueStore ($CertVal->"issuer") ]->"CN") . "'."); :if ([ $CertificateDownload $CommonName ] = false) do={ :return false; } } :set CertVal [ /certificate/get [ find where skid=($CertVal->"akid") ] ]; } :return true; } # download and import certificate :set CertificateDownload do={ :local CommonName [ :tostr $1 ]; :global ScriptUpdatesBaseUrl; :global ScriptUpdatesUrlSuffix; :global CertificateAvailable; :global CertificateNameByCN; :global CleanName; :global FetchUserAgentStr; :global LogPrint; :global WaitForFile; $LogPrint info $0 ("Downloading and importing certificate with " . \ "CommonName '" . $CommonName . "'."); :local FileName ([ $CleanName $CommonName ] . ".pem"); :do { /tool/fetch check-certificate=yes-without-crl http-header-field=({ [ $FetchUserAgentStr $0 ] }) \ ($ScriptUpdatesBaseUrl . "certs/" . $FileName . $ScriptUpdatesUrlSuffix) \ dst-path=$FileName as-value; $WaitForFile $FileName; } on-error={ $LogPrint warning $0 ("Failed downloading certificate with CommonName '" . $CommonName . \ "' from repository! Trying fallback to mkcert.org..."); :do { :if ([ $CertificateAvailable "ISRG Root X1" ] = false) do={ $LogPrint error $0 ("Downloading required certificate failed."); :return false; } /tool/fetch check-certificate=yes-without-crl http-header-field=({ [ $FetchUserAgentStr $0 ] }) \ "https://mkcert.org/generate/" http-data=[ :serialize to=json ({ $CommonName }) ] \ dst-path=$FileName as-value; $WaitForFile $FileName; :if ([ /file/get $FileName size ] = 0) do={ /file/remove $FileName; :error false; } } on-error={ $LogPrint warning $0 ("Failed downloading certificate with CommonName '" . $CommonName . "'!"); :return false; } } /certificate/import file-name=$FileName passphrase="" as-value; :delay 1s; /file/remove [ find where name=$FileName ]; :foreach Cert in=[ /certificate/find where name~("^" . $FileName . "_[0-9]+\$") ] do={ $CertificateNameByCN [ /certificate/get $Cert common-name ]; } :return true; } # name a certificate by its common-name :set CertificateNameByCN do={ :local CommonName [ :tostr $1 ]; :global CleanName; :local Cert [ /certificate/find where common-name=$CommonName ]; /certificate/set $Cert name=[ $CleanName $CommonName ]; } # multiply given character(s) :set CharacterMultiply do={ :local Return ""; :for I from=1 to=$2 do={ :set Return ($Return . $1); } :return $Return; } # character replace :set CharacterReplace do={ :local String [ :tostr $1 ]; :local ReplaceFrom [ :tostr $2 ]; :local ReplaceWith [ :tostr $3 ]; :local Return ""; :if ($ReplaceFrom = "") do={ :return $String; } :while ([ :typeof [ :find $String $ReplaceFrom ] ] != "nil") do={ :local Pos [ :find $String $ReplaceFrom ]; :set Return ($Return . [ :pick $String 0 $Pos ] . $ReplaceWith); :set String [ :pick $String ($Pos + [ :len $ReplaceFrom ]) [ :len $String ] ]; } :return ($Return . $String); } # clean file path :set CleanFilePath do={ :local Path [ :tostr $1 ]; :global CharacterReplace; :while ($Path ~ "//") do={ :set $Path [ $CharacterReplace $Path "//" "/" ]; } :if ([ :pick $Path 0 ] = "/") do={ :set Path [ :pick $Path 1 [ :len $Path ] ]; } :if ([ :pick $Path ([ :len $Path ] - 1) ] = "/") do={ :set Path [ :pick $Path 0 ([ :len $Path ] - 1) ]; } :return $Path; } # clean name for DNS, file and more :set CleanName do={ :local Input [ :tostr $1 ]; :local Return ""; :for I from=0 to=([ :len $Input ] - 1) do={ :local Char [ :pick $Input $I ]; :if ([ :typeof [ find "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789" $Char ] ] = "nil") do={ :do { :if ([ :len $Return ] = 0) do={ :error true; } :if ([ :pick $Return ([ :len $Return ] - 1) ] = "-") do={ :error true; } :set Char "-"; } on-error={ :set Char ""; } } :set Return ($Return . $Char); } :return $Return; } # get readable device info :set DeviceInfo do={ :global ExpectedConfigVersion; :global Identity; :global IfThenElse; :global FormatLine; :local License [ /system/license/get ]; :local Resource [ /system/resource/get ]; :local RouterBoard; :do { :set RouterBoard [[ :parse "/system/routerboard/get" ]]; } on-error={ } :local Snmp [ /snmp/get ]; :local Update [ /system/package/update/get ]; :return ( \ [ $FormatLine "Hostname" $Identity ] . "\n" . \ [ $IfThenElse ([ :len ($Snmp->"location") ] > 0) \ ([ $FormatLine "Location" ($Snmp->"location") ] . "\n") ] . \ [ $IfThenElse ([ :len ($Snmp->"contact") ] > 0) \ ([ $FormatLine "Contact" ($Snmp->"contact") ] . "\n") ] . \ [ $FormatLine "Board name" ($Resource->"board-name") ] . "\n" . \ [ $FormatLine "Architecture" ($Resource->"architecture-name") ] . "\n" . \ [ $IfThenElse ($RouterBoard->"routerboard" = true) \ ([ $FormatLine "Model" ($RouterBoard->"model") ] . \ [ $IfThenElse ([ :len ($RouterBoard->"revision") ] > 0) \ (" " . $RouterBoard->"revision") ] . "\n" . \ [ $FormatLine "Serial number" ($RouterBoard->"serial-number") ] . "\n") ] . \ [ $IfThenElse ([ :len ($License->"level") ] > 0) \ ([ $FormatLine "License" ($License->"level") ] . "\n") ] . \ "RouterOS:\n" . \ [ $FormatLine " Channel" ($Update->"channel") ] . "\n" . \ [ $FormatLine " Installed" ($Update->"installed-version") ] . "\n" . \ [ $IfThenElse ([ :typeof ($Update->"latest-version") ] != "nothing" && \ $Update->"installed-version" != $Update->"latest-version") \ ([ $FormatLine " Available" ($Update->"latest-version") ] . "\n") ] . \ [ $IfThenElse ($RouterBoard->"routerboard" = true && \ $RouterBoard->"current-firmware" != $RouterBoard->"upgrade-firmware") \ ([ $FormatLine " Firmware" ($RouterBoard->"current-firmware") ] . "\n") ] . \ "RouterOS-Scripts:\n" . \ [ $FormatLine " Version" $ExpectedConfigVersion ]); } # convert line endings, DOS -> UNIX :set Dos2Unix do={ :local Input [ :tostr $1 ]; :global CharacterReplace; :return [ $CharacterReplace $Input ("\r\n") ("\n") ]; } # download package from upgrade server :set DownloadPackage do={ :local PkgName [ :tostr $1 ]; :local PkgVer [ :tostr $2 ]; :local PkgArch [ :tostr $3 ]; :local PkgDir [ :tostr $4 ]; :global CertificateAvailable; :global CleanFilePath; :global LogPrint; :global MkDir; :global WaitForFile; :if ([ :len $PkgName ] = 0) do={ :return false; } :if ([ :len $PkgVer ] = 0) do={ :set PkgVer [ /system/package/update/get installed-version ]; } :if ([ :len $PkgArch ] = 0) do={ :set PkgArch [ /system/resource/get architecture-name ]; } :if ($PkgName = "system") do={ :set PkgName "routeros"; } :local PkgFile ($PkgName . "-" . $PkgVer . "-" . $PkgArch . ".npk"); :if ($PkgArch = "x86_64") do={ :set PkgFile ($PkgName . "-" . $PkgVer . ".npk"); } :local PkgDest [ $CleanFilePath ($PkgDir . "/" . $PkgFile) ]; :if ([ $MkDir $PkgDir ] = false) do={ $LogPrint warning $0 ("Failed creating directory, not downloading package."); :return false; } :if ([ :len [ /file/find where name=$PkgDest type="package" ] ] > 0) do={ $LogPrint info $0 ("Package file " . $PkgName . " already exists."); :return true; } :if ([ $CertificateAvailable "ISRG Root X1" ] = false) do={ $LogPrint error $0 ("Downloading required certificate failed."); :return false; } :local Url ("https://upgrade.mikrotik.com/routeros/" . $PkgVer . "/" . $PkgFile); $LogPrint info $0 ("Downloading package file '" . $PkgName . "'..."); $LogPrint debug $0 ("... from url: " . $Url); :local Retry 3; :while ($Retry > 0) do={ :do { /tool/fetch check-certificate=yes-without-crl $Url dst-path=$PkgDest; $WaitForFile $PkgDest; :if ([ /file/get [ find where name=$PkgDest ] type ] = "package") do={ :return true; } } on-error={ $LogPrint debug $0 ("Downloading package file failed."); } /file/remove [ find where name=$PkgDest ]; :set Retry ($Retry - 1); } $LogPrint warning $0 ("Downloading package file '" . $PkgName . "' failed."); :return false; } # return either first (if "true") or second :set EitherOr do={ :global IfThenElse; :if ([ :typeof $1 ] = "num") do={ :return [ $IfThenElse ($1 != 0) $1 $2 ]; } :if ([ :typeof $1 ] = "time") do={ :return [ $IfThenElse ($1 > 0s) $1 $2 ]; } :return [ $IfThenElse ([ :len [ :tostr $1 ] ] > 0) $1 $2 ]; } # escape for regular expression :set EscapeForRegEx do={ :local Input [ :tostr $1 ]; :if ([ :len $Input ] = 0) do={ :return ""; } :local Return ""; :local Chars ("^.[]\$()|*+?{}\\"); :for I from=0 to=([ :len $Input ] - 1) do={ :local Char [ :pick $Input $I ]; :if ([ :find $Chars $Char ]) do={ :set Char ("\\" . $Char); } :set Return ($Return . $Char); } :return $Return; } # fetch huge data to file, read in chunks :set FetchHuge do={ :local ScriptName [ :tostr $1 ]; :local Url [ :tostr $2 ]; :local CheckCert [ :tobool $3 ]; :global CleanName; :global FetchUserAgentStr; :global GetRandom20CharAlNum; :global IfThenElse; :global LogPrint; :global MkDir; :global WaitForFile; :set CheckCert [ $IfThenElse ($CheckCert = false) "no" "yes-without-crl" ]; :local DirName ("tmpfs/" . [ $CleanName $ScriptName ]); :if ([ $MkDir $DirName ] = false) do={ $LogPrint error $0 ("Failed creating directory!"); :return false; } :local FileName ($DirName . "/" . [ $CleanName $0 ] . "-" . [ $GetRandom20CharAlNum ]); :do { /tool/fetch check-certificate=$CheckCert $Url dst-path=$FileName \ http-header-field=({ [ $FetchUserAgentStr $ScriptName ] }) as-value; } on-error={ :if ([ $WaitForFile $FileName 500ms ] = true) do={ /file/remove $FileName; } $LogPrint debug $0 ("Failed downloading from: " . $Url); /file/remove $DirName; :return false; } $WaitForFile $FileName; :local FileSize [ /file/get $FileName size ]; :local Return ""; :local VarSize 0; :while ($VarSize < $FileSize) do={ :set Return ($Return . ([ /file/read offset=$VarSize chunk-size=32768 file=$FileName as-value ]->"data")); :set VarSize [ :len $Return ]; } /file/remove $DirName; :return $Return; } # generate user agent string for fetch :set FetchUserAgentStr do={ :local Caller [ :tostr $1 ]; :local Resource [ /system/resource/get ]; :return ("User-Agent: Mikrotik/" . $Resource->"version" . " " . \ $Resource->"architecture-name" . " " . $Caller . "/Fetch (https://rsc.eworm.de/)"); } # format a line for output :set FormatLine do={ :local Key [ :tostr $1 ]; :local Value [ :tostr $2 ]; :local Indent [ :tonum $3 ]; :local Spaces; :local Return ""; :global CharacterMultiply; :global EitherOr; :set Indent [ $EitherOr $Indent 16 ]; :local Spaces [ $CharacterMultiply " " $Indent ]; :if ([ :len $Key ] > 0) do={ :set Return ($Key . ":"); } :if ([ :len $Key ] > ($Indent - 2)) do={ :set Return ($Return . "\n" . [ :pick $Spaces 0 $Indent ] . $Value); } else={ :set Return ($Return . [ :pick $Spaces 0 ($Indent - [ :len $Return ]) ] . $Value); } :return $Return; } # format multiple lines for output :set FormatMultiLines do={ :local Key [ :tostr $1 ]; :local Values [ :toarray $2 ]; :local Indent [ :tonum $3 ]; :local Return; :global FormatLine; :set Return [ $FormatLine $Key ($Values->0) $Indent ]; :foreach Value in=[ :pick $Values 1 [ :len $Values ] ] do={ :set Return ($Return . "\n" . [ $FormatLine "" $Value $Indent ]); } :return $Return; } # get MAC vendor :set GetMacVendor do={ :local Mac [ :tostr $1 ]; :global CertificateAvailable; :global IsMacLocallyAdministered; :global LogPrint; :if ([ $IsMacLocallyAdministered $Mac ] = true) do={ :return "locally administered"; } :do { :if ([ $CertificateAvailable "GTS Root R4" ] = false) do={ $LogPrint warning $0 ("Downloading required certificate failed."); :error false; } :local Vendor ([ /tool/fetch check-certificate=yes-without-crl \ ("https://api.macvendors.com/" . [ :pick $Mac 0 8 ]) output=user as-value ]->"data"); :return $Vendor; } on-error={ :do { /tool/fetch check-certificate=yes-without-crl ("https://api.macvendors.com/") \ output=none as-value; $LogPrint debug $0 ("The mac vendor is not known in database."); } on-error={ $LogPrint warning $0 ("Failed getting mac vendor."); } :return "unknown vendor"; } } # generate random 20 chars alphabetical (A-Z & a-z) and numerical (0-9) :set GetRandom20CharAlNum do={ :global EitherOr; :return [ :rndstr length=[ $EitherOr [ :tonum $1 ] 20 ] from="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789" ]; } # generate random 20 chars hex (0-9 and a-f) :set GetRandom20CharHex do={ :global EitherOr; :return [ :rndstr length=[ $EitherOr [ :tonum $1 ] 20 ] from="0123456789abcdef" ]; } # generate random number :set GetRandomNumber do={ :global EitherOr; :return [ :rndnum from=0 to=[ $EitherOr [ :tonum $1 ] 4294967295 ] ]; } # return first line that matches a pattern :set Grep do={ :local Input ([ :tostr $1 ] . "\n"); :local Pattern [ :tostr $2 ]; :if ([ :typeof [ :find $Input $Pattern ] ] = "nil") do={ :return []; } :do { :local Line [ :pick $Input 0 [ :find $Input "\n" ] ]; :if ([ :typeof [ :find $Line $Pattern ] ] = "num") do={ :return $Line; } :set Input [ :pick $Input ([ :find $Input "\n" ] + 1) [ :len $Input ] ]; } while=([ :len $Input ] > 0); :return []; } # convert from hex (string) to num :set HexToNum do={ :local Input [ :tostr $1 ]; :global HexToNum; :if ([ :pick $Input 0 ] = "*") do={ :return [ $HexToNum [ :pick $Input 1 [ :len $Input ] ] ]; } :return [ :tonum ("0x" . $Input) ]; } # return human readable number :set HumanReadableNum do={ :local Input [ :tonum $1 ]; :local Base [ :tonum $2 ]; :global EitherOr; :global IfThenElse; :local Prefix "kMGTPE"; :local Pow 1; :set Base [ $EitherOr $Base 1024 ]; :local Bin [ $IfThenElse ($Base = 1024) "i" "" ]; :if ($Input < $Base) do={ :return $Input; } :for I from=0 to=[ :len $Prefix ] do={ :set Pow ($Pow * $Base); :if ($Input / $Base < $Pow) do={ :set Prefix [ :pick $Prefix $I ]; :local Tmp1 ($Input * 100 / $Pow); :local Tmp2 ($Tmp1 / 100); :if ($Tmp2 >= 100) do={ :return ($Tmp2 . $Prefix . $Bin); } :return ($Tmp2 . "." . \ [ :pick $Tmp1 [ :len $Tmp2 ] ([ :len $Tmp1 ] - [ :len $Tmp2 ] + 1) ] . \ $Prefix . $Bin); } } } # mimic conditional/ternary operator (condition ? consequent : alternative) :set IfThenElse do={ :if ([ :tostr $1 ] = "true" || [ :tobool $1 ] = true) do={ :return $2; } :return $3; } # check if default route is reachable :set IsDefaultRouteReachable do={ :if ([ :len [ /ip/route/find where dst-address=0.0.0.0/0 active routing-table=main ] ] > 0) do={ :return true; } :return false; } # check if DNS is resolving :set IsDNSResolving do={ :do { :resolve "low-ttl.eworm.de"; } on-error={ :return false; } :return true; } # check if system is is fully connected (default route reachable, DNS resolving, time sync) :set IsFullyConnected do={ :global IsDefaultRouteReachable; :global IsDNSResolving; :global IsTimeSync; :if ([ $IsDefaultRouteReachable ] = false) do={ :return false; } :if ([ $IsDNSResolving ] = false) do={ :return false; } :if ([ $IsTimeSync ] = false) do={ :return false; } :return true; } # check if mac address is locally administered :set IsMacLocallyAdministered do={ :if ([ :tonum ("0x" . [ :pick $1 0 [ :find $1 ":" ] ]) ] & 2 = 2) do={ :return true; } :return false; } # check if system time is sync :set IsTimeSync do={ :global IsTimeSyncCached; :global IsTimeSyncResetNtp; :global LogPrintOnce; :if ($IsTimeSyncCached = true) do={ :return true; } :if ([ /system/ntp/client/get enabled ] = true) do={ :if ([ /system/ntp/client/get status ] = "synchronized") do={ :set IsTimeSyncCached true; :return true; } :local Uptime [ /system/resource/get uptime ]; :if ([ :typeof $IsTimeSyncResetNtp ] = "nothing") do={ :set IsTimeSyncResetNtp $Uptime; } :if ($Uptime - $IsTimeSyncResetNtp < 3m) do={ :return false; } $LogPrintOnce warning $0 ("The ntp client is configured, but did not sync."); :set IsTimeSyncResetNtp $Uptime; /system/ntp/client/set enabled=no; :delay 20ms; /system/ntp/client/set enabled=yes; :return false; } :if ([ /system/license/get ]->"level" = "free" || \ [ /system/resource/get ]->"board-name" = "x86") do={ $LogPrintOnce debug $0 ("No ntp client configured, relying on RTC for CHR free license and x86."); :return true; } :if ([ /ip/cloud/get update-time ] = true) do={ :if ([ :typeof [ /ip/cloud/get public-address ] ] = "ip") do={ :set IsTimeSyncCached true; :return true; } :return false; } $LogPrintOnce debug $0 ("No time source configured! Returning gracefully..."); :return true; } # log and print with same text :set LogPrint do={ :local Severity [ :tostr $1 ]; :local Name [ :tostr $2 ]; :local Message [ :tostr $3 ]; :global PrintDebug; :global PrintDebugOverride; :global EitherOr; :local Debug [ $EitherOr ($PrintDebugOverride->$Name) $PrintDebug ]; :local PrintSeverity do={ :global TerminalColorOutput; :if ($TerminalColorOutput != true) do={ :return $1; } :local Color { debug=96; info=97; warning=93; error=91 }; :return ("\1B[" . $Color->$1 . "m" . $1 . "\1B[0m"); } :local Log ([ $EitherOr $Name "" ] . ": " . $Message); :if ($Severity ~ ("^(debug|error|info)\$")) do={ :if ($Severity = "debug") do={ :log debug $Log; } :if ($Severity = "error") do={ :log error $Log; } :if ($Severity = "info" ) do={ :log info $Log; } } else={ :log warning $Log; :set Severity "warning"; } :if ($Severity != "debug" || $Debug = true) do={ :put ([ $PrintSeverity $Severity ] . ": " . $Message); } } # log and print, once until reboot :set LogPrintOnce do={ :local Severity [ :tostr $1 ]; :local Name [ :tostr $2 ]; :local Message [ :tostr $3 ]; :global LogPrint; :global LogPrintOnceMessages; :if ([ :typeof $LogPrintOnceMessages ] = "nothing") do={ :set LogPrintOnceMessages ({}); } :if ($LogPrintOnceMessages->$Message = 1) do={ :return false; } :if ([ :len [ /log/find where message=($Name . ": " . $Message) ] ] > 0) do={ $LogPrint warning $0 \ ("The message is already in log, scripting subsystem may have crashed before!"); } :set ($LogPrintOnceMessages->$Message) 1; $LogPrint $Severity $Name $Message; :return true; } # get max value :set MAX do={ :if ($1 > $2) do={ :return $1; } :return $2; } # get min value :set MIN do={ :if ($1 < $2) do={ :return $1; } :return $2; } # create directory :set MkDir do={ :local Path [ :tostr $1 ]; :global CleanFilePath; :global LogPrint; :global WaitForFile; :local MkTmpfs do={ :global LogPrint; :global WaitForFile; :if ([ :len [ /disk/find where slot=tmpfs type=tmpfs ] ] = 1) do={ :return true; } $LogPrint info $0 ("Creating disk of type tmpfs."); /file/remove [ find where name="tmpfs" type="directory" ]; :do { /disk/add slot=tmpfs type=tmpfs tmpfs-max-size=([ /system/resource/get total-memory ] / 3); $WaitForFile "tmpfs"; } on-error={ $LogPrint warning $0 ("Creating disk of type tmpfs failed!"); :return false; } :return true; } :set Path [ $CleanFilePath $Path ]; :if ($Path = "") do={ :return true; } :if ([ :len [ /file/find where name=$Path type="directory" ] ] = 1) do={ :return true; } :if ([ :pick $Path 0 5 ] = "tmpfs") do={ :if ([ $MkTmpfs ] = false) do={ :return false; } } :do { :local File ($Path . "/file"); /file/add name=$File; $WaitForFile $File; /file/remove $File; } on-error={ $LogPrint warning $0 ("Making directory '" . $Path . "' failed!"); :return false; } :return true; } # prepare NotificationFunctions array :if ([ :typeof $NotificationFunctions ] != "array") do={ :set NotificationFunctions ({}); } # parse the date and return a named array :set ParseDate do={ :local Date [ :tostr $1 ]; :return ({ "year"=[ :tonum [ :pick $Date 0 4 ] ]; "month"=[ :tonum [ :pick $Date 5 7 ] ]; "day"=[ :tonum [ :pick $Date 8 10 ] ] }); } # parse key value store :set ParseKeyValueStore do={ :local Source $1; :if ([ :typeof $Source ] != "array") do={ :set Source [ :tostr $1 ]; } :local Result ({}); :foreach KeyValue in=[ :toarray $Source ] do={ :if ([ :find $KeyValue "=" ]) do={ :set ($Result->[ :pick $KeyValue 0 [ :find $KeyValue "=" ] ]) \ [ :pick $KeyValue ([ :find $KeyValue "=" ] + 1) [ :len $KeyValue ] ]; } else={ :set ($Result->$KeyValue) true; } } :return $Result; } # print lines with trailing carriage return :set PrettyPrint do={ :local Input [ :tostr $1 ]; :global Unix2Dos; :put [ $Unix2Dos $Input ]; } # strip protocol from from url string :set ProtocolStrip do={ :local Input [ :tostr $1 ]; :local Pos [ :find $Input "://" ]; :if ([ :typeof $Pos ] = "nil") do={ :return $Input; } :return [ :pick $Input ($Pos + 3) [ :len $Input ] ]; } # delay a random amount of seconds :set RandomDelay do={ :local Time [ :tonum $1 ]; :local Unit [ :tostr $2 ]; :global EitherOr; :global GetRandomNumber; :global MAX; :if ($Time = 0) do={ :return false; } :delay ([ $MAX 10 [ $GetRandomNumber ([ :tonsec [ :totime ($Time . [ $EitherOr $Unit "s" ]) ] ] / 1000000) ] ] . "ms"); } # check for required RouterOS version :set RequiredRouterOS do={ :local Caller [ :tostr $1 ]; :local Required [ :tostr $2 ]; :local Warn [ :tostr $3 ]; :global IfThenElse; :global LogPrint; :global VersionToNum; :if (!($Required ~ "^\\d+\\.\\d+((alpha|beta|rc|\\.)\\d+|)\$")) do={ $LogPrint error $0 ("No valid RouterOS version: " . $Required); :return false; } :if ([ $VersionToNum $Required ] > [ $VersionToNum [ /system/package/update/get installed-version ] ]) do={ :if ($Warn = "true") do={ $LogPrint warning $0 ("This " . [ $IfThenElse ([ :pick $Caller 0 ] = ("\$")) "function" "script" ] . \ " '" . $Caller . "' (at least specific functionality) requires RouterOS " . $Required . ". Please update!"); } :return false; } :return true; } # check if script is run from terminal :set ScriptFromTerminal do={ :local Script [ :tostr $1 ]; :global LogPrint; :global ScriptLock; :if ([ $ScriptLock $Script ] = false) do={ :return false; } :foreach Job in=[ /system/script/job/find where script=$Script ] do={ :set Job [ /system/script/job/get $Job ]; :while ([ :typeof ($Job->"parent") ] = "id") do={ :set Job [ /system/script/job/get [ find where .id=($Job->"parent") ] ]; } :if (($Job->"type") = "login") do={ $LogPrint debug $0 ("Script " . $Script . " started from terminal."); :return true; } } $LogPrint debug $0 ("Script " . $Script . " NOT started from terminal."); :return false; } # install new scripts, update existing scripts :set ScriptInstallUpdate do={ :local Scripts [ :toarray $1 ]; :local NewComment [ :tostr $2 ]; :global ExpectedConfigVersion; :global Identity; :global IDonate; :global NoNewsAndChangesNotification; :global ScriptUpdatesBaseUrl; :global ScriptUpdatesUrlSuffix; :global CertificateAvailable; :global EitherOr; :global FetchUserAgentStr; :global Grep; :global IfThenElse; :global LogPrint; :global LogPrintOnce; :global ParseKeyValueStore; :global RequiredRouterOS; :global SendNotification2; :global SymbolForNotification; :global ValidateSyntax; :if ([ $CertificateAvailable "ISRG Root X2" ] = false) do={ $LogPrint warning $0 ("Downloading certificate failed, trying without."); } :foreach Script in=$Scripts do={ :if ([ :len [ /system/script/find where name=$Script ] ] = 0) do={ $LogPrint info $0 ("Adding new script: " . $Script); /system/script/add name=$Script owner=$Script source="#!rsc by RouterOS\n" comment=$NewComment; } } :local ExpectedConfigVersionBefore $ExpectedConfigVersion; :local ReloadGlobalFunctions false; :local ReloadGlobalConfig false; :foreach Script in=[ /system/script/find where source~"^#!rsc by RouterOS\r?\n" ] do={ :local ScriptVal [ /system/script/get $Script ]; :local ScriptInfo [ $ParseKeyValueStore ($ScriptVal->"comment") ]; :local SourceNew; :foreach Scheduler in=[ /system/scheduler/find where on-event~("\\b" . $ScriptVal->"name" . "\\b") ] do={ :local SchedulerVal [ /system/scheduler/get $Scheduler ]; :if ($ScriptVal->"policy" != $SchedulerVal->"policy") do={ $LogPrint warning $0 ("Policies differ for script '" . $ScriptVal->"name" . \ "' and its scheduler '" . $SchedulerVal->"name" . "'!"); } } :if (!($ScriptInfo->"ignore" = true)) do={ :do { :local BaseUrl [ $EitherOr ($ScriptInfo->"base-url") $ScriptUpdatesBaseUrl ]; :local UrlSuffix [ $EitherOr ($ScriptInfo->"url-suffix") $ScriptUpdatesUrlSuffix ]; :local Url ($BaseUrl . $ScriptVal->"name" . ".rsc" . $UrlSuffix); $LogPrint debug $0 ("Fetching script '" . $ScriptVal->"name" . "' from url: " . $Url); :local Result [ /tool/fetch check-certificate=yes-without-crl \ http-header-field=({ [ $FetchUserAgentStr $0 ] }) $Url output=user as-value ]; :if ($Result->"status" = "finished") do={ :set SourceNew ($Result->"data"); } } on-error={ :if ($ScriptVal->"source" = "#!rsc by RouterOS\n") do={ $LogPrint warning $0 ("Failed fetching script '" . $ScriptVal->"name" . \ "', removing dummy. Typo on installation?"); /system/script/remove $Script; } else={ $LogPrint warning $0 ("Failed fetching script '" . $ScriptVal->"name" . "'!"); } } } :if ([ :len $SourceNew ] > 0) do={ :if ($SourceNew != $ScriptVal->"source") do={ :if ([ :pick $SourceNew 0 18 ] = "#!rsc by RouterOS\n") do={ :local Required ([ $ParseKeyValueStore [ $Grep $SourceNew ("\23 requires RouterOS, ") ] ]->"version"); :if ([ $RequiredRouterOS $0 [ $EitherOr $Required "0.0" ] false ] = true) do={ :if ([ $ValidateSyntax $SourceNew ] = true) do={ $LogPrint info $0 ("Updating script: " . $ScriptVal->"name"); /system/script/set owner=($ScriptVal->"name") source=$SourceNew $Script; :if ($ScriptVal->"name" = "global-config") do={ :set ReloadGlobalConfig true; } :if ($ScriptVal->"name" = "global-functions" || $ScriptVal->"name" ~ ("^mod/.")) do={ :set ReloadGlobalFunctions true; } } else={ $LogPrint warning $0 ("Syntax validation for script '" . $ScriptVal->"name" . \ "' failed! Ignoring!"); } } else={ $LogPrintOnce warning $0 ("The script '" . $ScriptVal->"name" . "' requires RouterOS " . \ $Required . ", which is not met by your installation. Ignoring!"); } } else={ $LogPrint warning $0 ("Looks like new script '" . $ScriptVal->"name" . \ "' is not valid (missing shebang). Ignoring!"); } } else={ $LogPrint debug $0 ("Script '" . $ScriptVal->"name" . "' did not change."); } } else={ $LogPrint debug $0 ("No update for script '" . $ScriptVal->"name" . "'."); } } :if ($ReloadGlobalFunctions = true) do={ $LogPrint info $0 ("Reloading global functions."); :do { /system/script/run global-functions; } on-error={ $LogPrint error $0 ("Reloading global functions failed!"); } } :if ($ReloadGlobalConfig = true) do={ $LogPrint info $0 ("Reloading global configuration."); :do { /system/script/run global-config; } on-error={ $LogPrint error $0 ("Reloading global configuration failed!" . \ " Syntax error or missing overlay?"); } } :if ($ExpectedConfigVersionBefore > $ExpectedConfigVersion) do={ $LogPrint warning $0 ("The configuration version decreased from " . \ $ExpectedConfigVersionBefore . " to " . $ExpectedConfigVersion . \ ". Installed an older version?"); } :if ($ExpectedConfigVersionBefore < $ExpectedConfigVersion) do={ :global GlobalConfigChanges; :global GlobalConfigMigration; :local ChangeLogCode; :do { :local Url ($ScriptUpdatesBaseUrl . "news-and-changes.rsc" . $ScriptUpdatesUrlSuffix); $LogPrint debug $0 ("Fetching news, changes and migration: " . $Url); :local Result [ /tool/fetch check-certificate=yes-without-crl \ http-header-field=({ [ $FetchUserAgentStr $0 ] }) $Url output=user as-value ]; :if ($Result->"status" = "finished") do={ :set ChangeLogCode ($Result->"data"); } } on-error={ $LogPrint warning $0 ("Failed fetching news, changes and migration!"); } :if ([ :len $ChangeLogCode ] > 0) do={ :if ([ $ValidateSyntax $ChangeLogCode ] = true) do={ :do { [ :parse $ChangeLogCode ]; } on-error={ $LogPrint warning $0 ("The changelog failed to run!"); } } else={ $LogPrint warning $0 ("The changelog failed syntax validation!"); } } :if ([ :len $GlobalConfigMigration ] > 0) do={ :for I from=($ExpectedConfigVersionBefore + 1) to=$ExpectedConfigVersion do={ :local Migration ($GlobalConfigMigration->[ :tostr $I ]); :if ([ :typeof $Migration ] = "str") do={ :if ([ $ValidateSyntax $Migration ] = true) do={ $LogPrint info $0 ("Applying migration for change " . $I . ": " . $Migration); :do { [ :parse $Migration ]; } on-error={ $LogPrint warning $0 ("Migration code for change " . $I . " failed to run!"); } } else={ $LogPrint warning $0 ("Migration code for change " . $I . " failed syntax validation!"); } } } } :local NotificationMessage ("The configuration version on " . $Identity . " increased " . \ "to " . $ExpectedConfigVersion . ", current configuration may need modification. " . \ "Please review and update global-config-overlay, then re-run global-config."); $LogPrint info $0 ($NotificationMessage); :if ([ :len $GlobalConfigChanges ] > 0) do={ :set NotificationMessage ($NotificationMessage . "\n\nChanges:"); :for I from=($ExpectedConfigVersionBefore + 1) to=$ExpectedConfigVersion do={ :local Change ($GlobalConfigChanges->[ :tostr $I ]); :set NotificationMessage ($NotificationMessage . "\n " . \ [ $SymbolForNotification "pushpin" "*" ] . $Change); $LogPrint info $0 ("Change " . $I . ": " . $Change); } } else={ :set NotificationMessage ($NotificationMessage . "\n\nNews and changes are not available."); } :if ($NoNewsAndChangesNotification != true) do={ :local Link; :if ($IDonate != true) do={ :set NotificationMessage ($NotificationMessage . \ "\n\n==== donation hint ====\n" . \ "This project is developed in private spare time and usage is " . \ "free of charge for you. If you like the scripts and think this is " . \ "of value for you or your business please consider a donation."); :set Link "https://rsc.eworm.de/#donate"; } $SendNotification2 ({ origin=$0; \ subject=([ $SymbolForNotification "pushpin" ] . "News and configuration changes"); \ message=$NotificationMessage; link=$Link }); } :set GlobalConfigChanges; :set GlobalConfigMigration; } } # lock script against multiple invocation :set ScriptLock do={ :local Script [ :tostr $1 ]; :local WaitMax ([ :tonum $3 ] * 10); :global GetRandom20CharAlNum; :global IfThenElse; :global LogPrint; :global ScriptLockOrder; :if ([ :typeof $ScriptLockOrder ] = "nothing") do={ :set ScriptLockOrder ({}); } :if ([ :typeof ($ScriptLockOrder->$Script) ] = "nothing") do={ :set ($ScriptLockOrder->$Script) ({}); } :local JobCount do={ :local Script [ :tostr $1 ]; :return [ :len [ /system/script/job/find where script=$Script ] ]; } :local TicketCount do={ :local Script [ :tostr $1 ]; :global ScriptLockOrder; :local Count 0; :foreach Ticket in=($ScriptLockOrder->$Script) do={ :if ([ :typeof $Ticket ] != "nothing") do={ :set Count ($Count + 1); } } :return $Count; } :local IsFirstTicket do={ :local Script [ :tostr $1 ]; :local Check [ :tostr $2 ]; :global ScriptLockOrder; :foreach Ticket in=($ScriptLockOrder->$Script) do={ :if ($Ticket = $Check) do={ :return true; } :if ([ :typeof $Ticket ] != "nothing" && $Ticket != $Check) do={ :return false; } } :return false; } :local AddTicket do={ :local Script [ :tostr $1 ]; :local Add [ :tostr $2 ]; :global ScriptLockOrder; :while (true) do={ :local Pos [ :len ($ScriptLockOrder->$Script) ]; :set ($ScriptLockOrder->$Script->$Pos) $Add; :delay 10ms; :if (($ScriptLockOrder->$Script->$Pos) = $Add) do={ :return true; } } } :local RemoveTicket do={ :local Script [ :tostr $1 ]; :local Remove [ :tostr $2 ]; :global ScriptLockOrder; :foreach Id,Ticket in=($ScriptLockOrder->$Script) do={ :while (($ScriptLockOrder->$Script->$Id) = $Remove) do={ :set ($ScriptLockOrder->$Script->$Id); :delay 10ms; } } } :local CleanupTickets do={ :local Script [ :tostr $1 ]; :global ScriptLockOrder; :foreach Ticket in=($ScriptLockOrder->$Script) do={ :if ([ :typeof $Ticket ] != "nothing") do={ :return false; } } :set ($ScriptLockOrder->$Script) ({}); } :if ([ :len [ /system/script/find where name=$Script ] ] = 0) do={ $LogPrint error $0 ("A script named '" . $Script . "' does not exist!"); :error false; } :if ([ $JobCount $Script ] = 0) do={ $LogPrint error $0 ("No script '" . $Script . "' is running!"); :error false; } :if ([ $TicketCount $Script ] >= [ $JobCount $Script ]) do={ $LogPrint error $0 ("More tickets than running scripts '" . $Script . "', resetting!"); :set ($ScriptLockOrder->$Script) ({}); /system/script/job/remove [ find where script=$Script ]; } :local MyTicket [ $GetRandom20CharAlNum 6 ]; $AddTicket $Script $MyTicket; :local WaitCount 0; :while ($WaitMax > $WaitCount && \ ([ $IsFirstTicket $Script $MyTicket ] = false || \ [ $TicketCount $Script ] < [ $JobCount $Script ])) do={ :set WaitCount ($WaitCount + 1); :delay 100ms; } :if ([ $IsFirstTicket $Script $MyTicket ] = true && \ [ $TicketCount $Script ] = [ $JobCount $Script ]) do={ $RemoveTicket $Script $MyTicket; $CleanupTickets $Script; :return true; } $RemoveTicket $Script $MyTicket; $LogPrint debug $0 ("Script '" . $Script . "' started more than once" . \ [ $IfThenElse ($WaitCount > 0) " and timed out waiting for lock" "" ] . "..."); :return false; } # send notification via NotificationFunctions - expects at least two string arguments :set SendNotification do={ :global SendNotification2; $SendNotification2 ({ origin=$0; subject=$1; message=$2; link=$3; silent=$4 }); } # send notification via NotificationFunctions - expects one array argument :set SendNotification2 do={ :local Notification $1; :global NotificationFunctions; :foreach FunctionName,Discard in=$NotificationFunctions do={ ($NotificationFunctions->$FunctionName) \ ("\$NotificationFunctions->\"" . $FunctionName . "\"") \ $Notification; } } # return UTF-8 symbol for unicode name :set SymbolByUnicodeName do={ :local Name [ :tostr $1 ]; :global LogPrintOnce; :local Symbols { "abacus"="\F0\9F\A7\AE"; "alarm-clock"="\E2\8F\B0"; "arrow-down"="\E2\AC\87"; "arrow-up"="\E2\AC\86"; "calendar"="\F0\9F\93\85"; "card-file-box"="\F0\9F\97\83"; "chart-decreasing"="\F0\9F\93\89"; "chart-increasing"="\F0\9F\93\88"; "cloud"="\E2\98\81"; "cross-mark"="\E2\9D\8C"; "earth"="\F0\9F\8C\8D"; "fire"="\F0\9F\94\A5"; "floppy-disk"="\F0\9F\92\BE"; "gear"="\E2\9A\99"; "heart"="\E2\99\A5"; "high-voltage-sign"="\E2\9A\A1"; "incoming-envelope"="\F0\9F\93\A8"; "information"="\E2\84\B9"; "large-orange-circle"="\F0\9F\9F\A0"; "large-red-circle"="\F0\9F\94\B4"; "link"="\F0\9F\94\97"; "lock-with-ink-pen"="\F0\9F\94\8F"; "memo"="\F0\9F\93\9D"; "mobile-phone"="\F0\9F\93\B1"; "pushpin"="\F0\9F\93\8C"; "scissors"="\E2\9C\82"; "smiley-partying-face"="\F0\9F\A5\B3"; "smiley-smiling-face"="\E2\98\BA"; "smiley-winking-face-with-tongue"="\F0\9F\98\9C"; "sparkles"="\E2\9C\A8"; "speech-balloon"="\F0\9F\92\AC"; "star"="\E2\AD\90"; "warning-sign"="\E2\9A\A0"; "white-heavy-check-mark"="\E2\9C\85" } :if ([ :len ($Symbols->$Name) ] = 0) do={ $LogPrintOnce warning $0 ("No symbol available for name '" . $Name . "'!"); :return ""; } :return (($Symbols->$Name) . "\EF\B8\8F"); } # return symbol for notification :set SymbolForNotification do={ :global NotificationsWithSymbols; :global SymbolByUnicodeName; :global IfThenElse; :if ($NotificationsWithSymbols != true) do={ :return [ $IfThenElse ([ :len $2 ] > 0) ([ :tostr $2 ] . " ") "" ]; } :local Return ""; :foreach Symbol in=[ :toarray $1 ] do={ :set Return ($Return . [ $SymbolByUnicodeName $Symbol ]); } :return ($Return . " "); } # convert line endings, UNIX -> DOS :set Unix2Dos do={ :local Input [ :tostr $1 ]; :global CharacterReplace; :return [ $CharacterReplace [ $CharacterReplace $Input \ ("\n") ("\r\n") ] ("\r\r\n") ("\r\n") ]; } # url encoding :set UrlEncode do={ :local Input [ :tostr $1 ]; :if ([ :len $Input ] = 0) do={ :return ""; } :local Return ""; :local Chars ("\n\r !\"#\$%&'()*+,:;<=>?@[\\]^`{|}~"); :local Subs { "%0A"; "%0D"; "%20"; "%21"; "%22"; "%23"; "%24"; "%25"; "%26"; "%27"; "%28"; "%29"; "%2A"; "%2B"; "%2C"; "%3A"; "%3B"; "%3C"; "%3D"; "%3E"; "%3F"; "%40"; "%5B"; "%5C"; "%5D"; "%5E"; "%60"; "%7B"; "%7C"; "%7D"; "%7E" }; :for I from=0 to=([ :len $Input ] - 1) do={ :local Char [ :pick $Input $I ]; :local Replace [ :find $Chars $Char ]; :if ([ :typeof $Replace ] = "num") do={ :set Char ($Subs->$Replace); } :set Return ($Return . $Char); } :return $Return; } # basic syntax validation :set ValidateSyntax do={ :local Code [ :tostr $1 ]; :do { [ :parse (":local Validate do={\n" . $Code . "\n}") ]; } on-error={ :return false; } :return true; } # convert version string to numeric value :set VersionToNum do={ :local Input [ :tostr $1 ]; :local Multi 0x1000000; :local Return 0; :global CharacterReplace; :set Input [ $CharacterReplace $Input "." "," ]; :foreach I in={ "alpha"; "beta"; "rc" } do={ :set Input [ $CharacterReplace $Input $I ("," . $I . ",") ]; } :foreach Value in=([ :toarray $Input ], 0) do={ :local Num [ :tonum $Value ]; :if ($Multi = 0x100) do={ :if ([ :typeof $Num ] = "num") do={ :set Return ($Return + 0xff00); :set Multi ($Multi / 0x100); } else={ :if ($Value = "alpha") do={ :set Return ($Return + 0x3f00); } :if ($Value = "beta") do={ :set Return ($Return + 0x5f00); } :if ($Value = "rc") do={ :set Return ($Return + 0x7f00); } } } :if ([ :typeof $Num ] = "num") do={ :set Return ($Return + ($Value * $Multi)); } :set Multi ($Multi / 0x100); } :return $Return; } # wait for default route to be reachable :set WaitDefaultRouteReachable do={ :global IsDefaultRouteReachable; :while ([ $IsDefaultRouteReachable ] = false) do={ :delay 1s; } } # wait for DNS to resolve :set WaitDNSResolving do={ :global IsDNSResolving; :while ([ $IsDNSResolving ] = false) do={ :delay 1s; } } # wait for file to be available :set WaitForFile do={ :local FileName [ :tostr $1 ]; :local WaitTime [ :totime $2 ]; :global CleanFilePath; :global EitherOr; :global MAX; :set FileName [ $CleanFilePath $FileName ]; :local I 1; :local Delay ([ $MAX [ $EitherOr $WaitTime 2s ] 100ms ] / 10); :while ([ :len [ /file/find where name=$FileName ] ] = 0) do={ :if ($I >= 10) do={ :return false; } :delay $Delay; :set I ($I + 1); } :return true; } # wait to be fully connected (default route is reachable, time is sync, DNS resolves) :set WaitFullyConnected do={ :global WaitDefaultRouteReachable; :global WaitDNSResolving; :global WaitTimeSync; $WaitDefaultRouteReachable; $WaitTimeSync; $WaitDNSResolving; } # wait for time to become synced :set WaitTimeSync do={ :global IsTimeSync; :while ([ $IsTimeSync ] = false) do={ :delay 1s; } } # load modules :foreach Script in=[ /system/script/find where name ~ "^mod/." ] do={ :local ScriptVal [ /system/script/get $Script ]; :if ([ $ValidateSyntax ($ScriptVal->"source") ] = true) do={ :do { /system/script/run $Script; } on-error={ $LogPrint error $0 ("Module '" . $ScriptVal->"name" . "' failed to run."); } } else={ $LogPrint error $0 ("Module '" . $ScriptVal->"name" . "' failed syntax validation, skipping."); } } # Log success :local Resource [ /system/resource/get ]; $LogPrintOnce info $ScriptName ("Loaded on " . $Resource->"board-name" . \ " with RouterOS " . $Resource->"version" . "."); # signal we are ready :set GlobalFunctionsReady true;