354 lines
11 KiB
PowerShell
354 lines
11 KiB
PowerShell
#!powershell
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#
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# WANT_JSON
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# POWERSHELL_COMMON
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function getFirewallRule ($fwsettings) {
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try {
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#$output = Get-NetFirewallRule -name $($fwsettings.name);
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$rawoutput=@(netsh advfirewall firewall show rule name=$($fwsettings.Name))
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if (!($rawoutput -eq 'No rules match the specified criteria.')){
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$rawoutput | Where {$_ -match '^([^:]+):\s*(\S.*)$'} | Foreach -Begin {
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$FirstRun = $true;
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$HashProps = @{};
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} -Process {
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if (($Matches[1] -eq 'Rule Name') -and (!($FirstRun))) {
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#$output=New-Object -TypeName PSCustomObject -Property $HashProps;
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$output=$HashProps;
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$HashProps = @{};
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};
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$HashProps.$($Matches[1]) = $Matches[2];
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$FirstRun = $false;
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} -End {
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#$output=New-Object -TypeName PSCustomObject -Property $HashProps;
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$output=$HashProps;
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}
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}
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$exists=$false;
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$correct=$true;
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$diff=$false;
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$multi=$false;
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$correct=$false;
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$difference=@();
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$msg=@();
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if ($($output|measure).count -gt 0) {
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$exists=$true;
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$msg += @("The rule '" + $fwsettings.name + "' exists.");
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if ($($output|measure).count -gt 1) {
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$multi=$true
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$msg += @("The rule '" + $fwsettings.name + "' has multiple entries.");
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ForEach($rule in $output.GetEnumerator()) {
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ForEach($fwsetting in $fwsettings.GetEnumerator()) {
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if ( $rule.$fwsetting -ne $fwsettings.$fwsetting) {
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$diff=$true;
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#$difference+=@($fwsettings.$($fwsetting.Key));
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$difference+=@("output:$rule.$fwsetting,fwsetting:$fwsettings.$fwsetting");
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};
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};
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if ($diff -eq $false) {
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$correct=$true
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};
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};
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} else {
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ForEach($fwsetting in $fwsettings.GetEnumerator()) {
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if ( $output.$($fwsetting.Key) -ne $fwsettings.$($fwsetting.Key)) {
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if (($fwsetting.Key -eq 'RemoteIP') -and ($output.$($fwsetting.Key) -eq ($fwsettings.$($fwsetting.Key)+'-'+$fwsettings.$($fwsetting.Key)))) {
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$donothing=$false
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} elseif ((($fwsetting.Key -eq 'Name') -or ($fwsetting.Key -eq 'DisplayName')) -and ($output."Rule Name" -eq $fwsettings.$($fwsetting.Key))) {
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$donothing=$false
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} else {
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$diff=$true;
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$difference+=@($fwsettings.$($fwsetting.Key));
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};
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};
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};
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if ($diff -eq $false) {
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$correct=$true
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};
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};
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if ($correct) {
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$msg += @("An identical rule exists");
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} else {
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$msg += @("The rule exists but has different values");
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}
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} else {
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$msg += @("No rule could be found");
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};
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$result = @{
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exists = $exists
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identical = $correct
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multiple = $multi
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difference = $difference
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msg = $msg
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}
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} catch [Exception]{
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$result = @{
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failed = $true
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error = $_.Exception.Message
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msg = $msg
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}
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};
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return $result
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};
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function createFireWallRule ($fwsettings) {
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$msg=@()
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$execString="netsh advfirewall firewall add rule "
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ForEach ($fwsetting in $fwsettings.GetEnumerator()) {
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if ($fwsetting.key -eq 'Direction') {
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$key='dir'
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} else {
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$key=$($fwsetting.key).ToLower()
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};
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$execString+=" ";
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$execString+=$key;
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$execString+="=";
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$execString+=$fwsetting.value;
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#$execString+="'";
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};
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try {
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#$msg+=@($execString);
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$output=$(Invoke-Expression $execString| ? {$_});
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$msg+=@("Created firewall rule $name");
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$result=@{
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output=$output
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changed=$true
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msg=$msg
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};
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} catch [Exception]{
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$msg=@("Failed to create the rule")
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$result=@{
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output=$output
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failed=$true
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error=$_.Exception.Message
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msg=$msg
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};
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};
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return $result
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};
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function removeFireWallRule ($fwsettings) {
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$msg=@()
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try {
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$rawoutput=@(netsh advfirewall firewall delete rule name=$($fwsettings.name))
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$rawoutput | Where {$_ -match '^([^:]+):\s*(\S.*)$'} | Foreach -Begin {
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$FirstRun = $true;
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$HashProps = @{};
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} -Process {
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if (($Matches[1] -eq 'Rule Name') -and (!($FirstRun))) {
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$output=$HashProps;
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$HashProps = @{};
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};
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$HashProps.$($Matches[1]) = $Matches[2];
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$FirstRun = $false;
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} -End {
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$output=$HashProps;
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};
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$msg+=@("Removed the rule")
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$result=@{
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failed=$false
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changed=$true
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msg=$msg
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output=$output
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};
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} catch [Exception]{
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$msg+=@("Failed to remove the rule")
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$result=@{
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failed=$true
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error=$_.Exception.Message
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msg=$msg
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}
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};
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return $result
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}
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# Mount Drives
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$change=$false;
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$fail=$false;
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$msg=@();
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$fwsettings=@{}
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# Variabelise the arguments
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$params=Parse-Args $args;
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$state=Get-Attr $params "state" "present";
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$name=Get-Attr $params "name" "";
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$direction=Get-Attr $params "direction" "";
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$force=Get-Attr $params "force" $false;
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$action=Get-Attr $params "action" "";
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# Check the arguments
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if (($state -ne "present") -And ($state -ne "absent")){
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$misArg+="state";
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$msg+=@("for the state parameter only present and absent is allowed");
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};
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if ($name -eq ""){
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$misArg+="Name";
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$msg+=@("name is a required argument");
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} else {
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$fwsettings.Add("Name", $name)
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#$fwsettings.Add("displayname", $name)
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};
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if ((($direction.ToLower() -ne "In") -And ($direction.ToLower() -ne "Out")) -And ($state -eq "present")){
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$misArg+="Direction";
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$msg+=@("for the Direction parameter only the values 'In' and 'Out' are allowed");
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} else {
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$fwsettings.Add("Direction", $direction)
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};
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if ((($action.ToLower() -ne "allow") -And ($action.ToLower() -ne "block")) -And ($state -eq "present")){
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$misArg+="Action";
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$msg+=@("for the Action parameter only the values 'allow' and 'block' are allowed");
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} else {
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$fwsettings.Add("Action", $action)
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};
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$args=@(
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"Description",
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"LocalIP",
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"RemoteIP",
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"LocalPort",
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"RemotePort",
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"Program",
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"Service",
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"Protocol"
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)
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foreach ($arg in $args){
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New-Variable -Name $arg -Value $(Get-Attr $params $arg "");
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if ((Get-Variable -Name $arg -ValueOnly) -ne ""){
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$fwsettings.Add($arg, $(Get-Variable -Name $arg -ValueOnly));
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};
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};
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$profile=Get-Attr $params "profile" "all";
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if (($profile -ne 'current') -or ($profile -ne 'domain') -or ($profile -ne 'standard') -or ($profile -ne 'all') ) {
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$misArg+="Profile";
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$msg+=@("for the Profile parameter only the values 'current', 'domain', 'standard' or 'all' are allowed");
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} else {
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$fwsettings.Add("profile", $profile)
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}
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if ($($($misArg|measure).count) -gt 0){
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$result=New-Object psobject @{
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changed=$false
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failed=$true
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msg=$msg
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};
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Exit-Json($result);
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};
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$output=@()
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$capture=getFirewallRule ($fwsettings);
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if ($capture.failed -eq $true) {
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$msg+=$capture.msg;
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$result=New-Object psobject @{
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changed=$false
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failed=$true
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error=$capture.error
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msg=$msg
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};
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Exit-Json $result;
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} else {
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$diff=$capture.difference
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$msg+=$capture.msg;
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$identical=$capture.identical;
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$multiple=$capture.multiple;
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}
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switch ($state.ToLower()){
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"present" {
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if ($capture.exists -eq $false) {
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$capture=createFireWallRule($fwsettings);
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$msg+=$capture.msg;
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$change=$true;
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if ($capture.failed -eq $true){
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$result=New-Object psobject @{
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failed=$capture.failed
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error=$capture.error
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output=$capture.output
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changed=$change
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msg=$msg
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difference=$diff
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fwsettings=$fwsettings
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};
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Exit-Json $result;
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}
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} elseif ($capture.identical -eq $false) {
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if ($force -eq $true) {
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$capture=removeFirewallRule($fwsettings);
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$msg+=$capture.msg;
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$change=$true;
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if ($capture.failed -eq $true){
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$result=New-Object psobject @{
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failed=$capture.failed
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error=$capture.error
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changed=$change
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msg=$msg
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output=$capture.output
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fwsettings=$fwsettings
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};
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Exit-Json $result;
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}
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$capture=createFireWallRule($fwsettings);
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$msg+=$capture.msg;
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$change=$true;
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if ($capture.failed -eq $true){
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$result=New-Object psobject @{
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failed=$capture.failed
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error=$capture.error
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changed=$change
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msg=$msg
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difference=$diff
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fwsettings=$fwsettings
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};
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Exit-Json $result;
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}
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} else {
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$fail=$true
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$msg+=@("There was already a rule $name with different values, use force=True to overwrite it");
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}
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} elseif ($capture.identical -eq $true) {
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$msg+=@("Firewall rule $name was already created");
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};
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}
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"absent" {
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if ($capture.exists -eq $true) {
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$capture=removeFirewallRule($fwsettings);
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$msg+=$capture.msg;
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$change=$true;
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if ($capture.failed -eq $true){
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$result=New-Object psobject @{
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failed=$capture.failed
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error=$capture.error
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changed=$change
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msg=$msg
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output=$capture.output
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fwsettings=$fwsettings
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};
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Exit-Json $result;
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}
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} else {
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$msg+=@("Firewall rule $name did not exist");
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};
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}
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};
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$result=New-Object psobject @{
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failed=$fail
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changed=$change
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msg=$msg
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difference=$diff
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fwsettings=$fwsettings
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};
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Exit-Json $result;
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