Added check-ipv6-address.ps1

Data/scripts.csv

@@ -1,6 +1,7 @@
-Filename,Description
+Script,Description
 add-firewall-rules.ps1, adds firewall rules to the given executables (requires admin rights)
 check-ipv4-address.ps1, checks the given IPv4 address for validity
+check-ipv6-address.ps1, checks the given IPv6 address for validity
 check-mac-address.ps1, checks the given MAC address for validity
 check-symlinks.ps1, checks every symlink in the given directory tree
 check-xml-file.ps1, checks the given XML file for validity

README.md

@@ -7,6 +7,7 @@ Table of Contents
 -----------------
 * [add-firewall-rules.ps1](Scripts/add-firewall-rules.ps1) - adds firewall rules for the given executables (requires admin rights)
 * [check-ipv4-address.ps1](Scripts/check-ipv4-address.ps1) - checks the given IPv4 address for validity
+* [check-ipv6-address.ps1](Scripts/check-ipv6-address.ps1) - checks the given IPv6 address for validity
 * [check-mac-address.ps1](Scripts/check-mac-address.ps1) - checks the given MAC address for validity
 * [check-symlinks.ps1](Scripts/check-symlinks.ps1) - checks every symlink in the given directory tree
 * [check-xml-file.ps1](Scripts/check-xml-file.ps1) - checks the given XML file for validity

Scripts/check-ipv4-address.ps1

@@ -6,20 +6,26 @@
 .NOTES		Author:	Markus Fleschutz / License: CC0
 #>
 
-param([string]$Addr)
+param($Address = "")
 
-# IPv4-Address like 192.168.178.1
-$RegEx = "^(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$"
+function IsIPv4AddressValid { param([string]$IP)
+	$RegEx = "^(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$"
+	if ($IP -match $RegEx) {
+		return $true
+	} else {
+		return $false
+	}
+}
 
 try {
-	if ($Addr -eq "" ) {
-		$Addr = read-host "Enter IPv4 address to validate"
+	if ($Address -eq "" ) {
+		$Address = read-host "Enter IPv4 address to validate"
 	}
-	if ($Addr -match $RegEx) {
-		write-output "IPv4 address $Addr is valid"
+	if (IsIPv4AddressValid $Address) {
+		write-host -foregroundColor green "OK - IPv4 address $Address is valid"
 		exit 0
 	} else {
-		write-output "IPv4 address $Addr is NOT valid"
+		write-warning "Invalid IPv4 address: $Address"
 		exit 1
 	}
 } catch {

Scripts/check-ipv6-address.ps1

@@ -0,0 +1,47 @@
+#!/bin/powershell
+<#
+.SYNTAX         ./check-ipv6-address.ps1 [<address>]
+.DESCRIPTION	checks the given IPv6 address for validity
+.LINK		https://github.com/fleschutz/PowerShell
+.NOTES		Author:	Markus Fleschutz / License: CC0
+#>
+
+param($Address = "")
+
+function IsIPv6AddressValid { param([string]$IP)
+    $IPv4Regex = '(((25[0-5]|2[0-4][0-9]|[0-1]?[0-9]{1,2})\.){3}(25[0-5]|2[0-4][0-9]|[0-1]?[0-9]{1,2}))'
+    $G = '[a-f\d]{1,4}'
+    $Tail = @(":",
+    "(:($G)?|$IPv4Regex)",
+    ":($IPv4Regex|$G(:$G)?|)",
+    "(:$IPv4Regex|:$G(:$IPv4Regex|(:$G){0,2})|:)",
+    "((:$G){0,2}(:$IPv4Regex|(:$G){1,2})|:)",
+    "((:$G){0,3}(:$IPv4Regex|(:$G){1,2})|:)",
+    "((:$G){0,4}(:$IPv4Regex|(:$G){1,2})|:)")
+    [string] $IPv6RegexString = $G
+    $Tail | foreach { $IPv6RegexString = "${G}:($IPv6RegexString|$_)" }
+    $IPv6RegexString = ":(:$G){0,5}((:$G){1,2}|:$IPv4Regex)|$IPv6RegexString"
+    $IPv6RegexString = $IPv6RegexString -replace '\(' , '(?:' # make all groups non-capturing
+    [regex] $IPv6Regex = $IPv6RegexString
+    if ($IP -imatch "^$IPv6Regex$") {
+    	return $true
+    } else {
+    	return $false
+    }
+}
+
+try {
+	if ($Address -eq "" ) {
+		$Address = read-host "Enter IPv6 address to validate"
+	}
+	if (IsIPv6AddressValid $Address) {
+		write-host -foregroundColor green "OK - IPv6 address $Address is valid"
+		exit 0
+	} else {
+		write-warning "Invalid IPv6 address: $Address"
+		exit 1
+	}
+} catch {
+	write-error "ERROR in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
+	exit 1
+}

Scripts/list-scripts.ps1

@@ -11,7 +11,7 @@ function ListScripts { param([string]$FilePath)
 	$Table = import-csv "$FilePath"
 	foreach($Row in $Table) {
 		New-Object PSObject -Property @{
-			'Script' = "$($Row.Filename)"
+			'Script' = "$($Row.Script)"
 			'Description' = "$($Row.Description)"
 		}
 	}