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Mini Shell
Mini Shell
#!powershell
#
# (c) 2014, Timothy Vandenbrande <timothy.vandenbrande@gmail.com>
#
# This file is part of Ansible
#
# Ansible is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ansible is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
#
# WANT_JSON
# POWERSHELL_COMMON
function getFirewallRule ($fwsettings) {
try {
#$output = Get-NetFirewallRule -name $($fwsettings.'Rule Name');
$rawoutput=@(netsh advfirewall firewall show rule name="$($fwsettings.'Rule Name')" verbose)
if (!($rawoutput -eq 'No rules match the specified criteria.')){
$rawoutput | Where {$_ -match '^([^:]+):\s*(\S.*)$'} | Foreach -Begin {
$FirstRun = $true;
$HashProps = @{};
} -Process {
if (($Matches[1] -eq 'Rule Name') -and (!($FirstRun))) {
#$output=New-Object -TypeName PSCustomObject -Property $HashProps;
$output=$HashProps;
$HashProps = @{};
};
$HashProps.$($Matches[1]) = $Matches[2];
$FirstRun = $false;
} -End {
#$output=New-Object -TypeName PSCustomObject -Property $HashProps;
$output=$HashProps;
}
}
$exists=$false;
$correct=$true;
$diff=$false;
$multi=$false;
$correct=$false;
$difference=@();
$msg=@();
if ($($output|measure).count -gt 0) {
$exists=$true;
$msg += @("The rule '" + $fwsettings.'Rule Name' + "' exists.");
if ($($output|measure).count -gt 1) {
$multi=$true
$msg += @("The rule '" + $fwsettings.'Rule Name' + "' has multiple entries.");
ForEach($rule in $output.GetEnumerator()) {
ForEach($fwsetting in $fwsettings.GetEnumerator()) {
if ( $rule.$fwsetting -ne $fwsettings.$fwsetting) {
$diff=$true;
#$difference+=@($fwsettings.$($fwsetting.Key));
$difference+=@("output:$rule.$fwsetting,fwsetting:$fwsettings.$fwsetting");
};
};
if ($diff -eq $false) {
$correct=$true
};
};
} else {
ForEach($fwsetting in $fwsettings.GetEnumerator()) {
if ( $output.$($fwsetting.Key) -ne $fwsettings.$($fwsetting.Key)) {
if (($fwsetting.Key -eq 'RemoteIP') -and ($output.$($fwsetting.Key) -eq ($fwsettings.$($fwsetting.Key)+'-'+$fwsettings.$($fwsetting.Key)))) {
$donothing=$false
} elseif (($fwsetting.Key -eq 'DisplayName') -and ($output."Rule Name" -eq $fwsettings.$($fwsetting.Key))) {
$donothing=$false
} else {
$diff=$true;
$difference+=@($fwsettings.$($fwsetting.Key));
};
};
};
if ($diff -eq $false) {
$correct=$true
};
};
if ($correct) {
$msg += @("An identical rule exists");
} else {
$msg += @("The rule exists but has different values");
}
} else {
$msg += @("No rule could be found");
};
$result = @{
failed = $false
exists = $exists
identical = $correct
multiple = $multi
difference = $difference
msg = $msg
}
} catch [Exception]{
$result = @{
failed = $true
error = $_.Exception.Message
msg = $msg
}
};
return $result
};
function createFireWallRule ($fwsettings) {
$msg=@()
$execString="netsh advfirewall firewall add rule"
ForEach ($fwsetting in $fwsettings.GetEnumerator()) {
if ($fwsetting.key -eq 'Direction') {
$key='dir'
} elseif ($fwsetting.key -eq 'Rule Name') {
$key='name'
} elseif ($fwsetting.key -eq 'Enabled') {
$key='enable'
} elseif ($fwsetting.key -eq 'Profiles') {
$key='profile'
} else {
$key=$($fwsetting.key).ToLower()
};
$execString+=" ";
$execString+=$key;
$execString+="=";
$execString+='"';
$execString+=$fwsetting.value;
$execString+='"';
};
try {
#$msg+=@($execString);
$output=$(Invoke-Expression $execString| ? {$_});
$msg+=@("Created firewall rule $name");
$result=@{
failed = $false
output=$output
changed=$true
msg=$msg
};
} catch [Exception]{
$msg=@("Failed to create the rule")
$result=@{
output=$output
failed=$true
error=$_.Exception.Message
msg=$msg
};
};
return $result
};
function removeFireWallRule ($fwsettings) {
$msg=@()
try {
$rawoutput=@(netsh advfirewall firewall delete rule name="$($fwsettings.'Rule Name')")
$rawoutput | Where {$_ -match '^([^:]+):\s*(\S.*)$'} | Foreach -Begin {
$FirstRun = $true;
$HashProps = @{};
} -Process {
if (($Matches[1] -eq 'Rule Name') -and (!($FirstRun))) {
$output=$HashProps;
$HashProps = @{};
};
$HashProps.$($Matches[1]) = $Matches[2];
$FirstRun = $false;
} -End {
$output=$HashProps;
};
$msg+=@("Removed the rule")
$result=@{
failed=$false
changed=$true
msg=$msg
output=$output
};
} catch [Exception]{
$msg+=@("Failed to remove the rule")
$result=@{
failed=$true
error=$_.Exception.Message
msg=$msg
}
};
return $result
}
# Mount Drives
$change=$false;
$fail=$false;
$msg=@();
$fwsettings=@{}
# Variabelise the arguments
$params=Parse-Args $args;
$name = Get-AnsibleParam -obj $params -name "name" -failifempty $true
$direction = Get-AnsibleParam -obj $params -name "direction" -failifempty $true -validateSet "in","out"
$action = Get-AnsibleParam -obj $params -name "action" -failifempty $true -validateSet "allow","block","bypass"
$program = Get-AnsibleParam -obj $params -name "program"
$service = Get-AnsibleParam -obj $params -name "service" -default "any"
$description = Get-AnsibleParam -obj $params -name "description"
$enable = ConvertTo-Bool (Get-AnsibleParam -obj $params -name "enable" -default "true")
$winprofile = Get-AnsibleParam -obj $params -name "profile" -default "any"
$localip = Get-AnsibleParam -obj $params -name "localip" -default "any"
$remoteip = Get-AnsibleParam -obj $params -name "remoteip" -default "any"
$localport = Get-AnsibleParam -obj $params -name "localport" -default "any"
$remoteport = Get-AnsibleParam -obj $params -name "remoteport" -default "any"
$protocol = Get-AnsibleParam -obj $params -name "protocol" -default "any"
$state = Get-AnsibleParam -obj $params -name "state" -failifempty $true -validateSet "present","absent"
$force = ConvertTo-Bool (Get-AnsibleParam -obj $params -name "force" -default "false")
# Check the arguments
If ($enable -eq $true) {
$fwsettings.Add("Enabled", "yes");
} Else {
$fwsettings.Add("Enabled", "no");
};
$fwsettings.Add("Rule Name", $name)
#$fwsettings.Add("displayname", $name)
$state = $state.ToString().ToLower()
If ($state -eq "present"){
$fwsettings.Add("Direction", $direction)
$fwsettings.Add("Action", $action)
};
If ($description) {
$fwsettings.Add("Description", $description);
}
If ($program) {
$fwsettings.Add("Program", $program);
}
$fwsettings.Add("LocalIP", $localip);
$fwsettings.Add("RemoteIP", $remoteip);
$fwsettings.Add("LocalPort", $localport);
$fwsettings.Add("RemotePort", $remoteport);
$fwsettings.Add("Service", $service);
$fwsettings.Add("Protocol", $protocol);
$fwsettings.Add("Profiles", $winprofile)
$output=@()
$capture=getFirewallRule ($fwsettings);
if ($capture.failed -eq $true) {
$msg+=$capture.msg;
$result=New-Object psobject @{
changed=$false
failed=$true
error=$capture.error
msg=$msg
};
Exit-Json $result;
} else {
$diff=$capture.difference
$msg+=$capture.msg;
$identical=$capture.identical;
$multiple=$capture.multiple;
}
switch ($state){
"present" {
if ($capture.exists -eq $false) {
$capture=createFireWallRule($fwsettings);
$msg+=$capture.msg;
$change=$true;
if ($capture.failed -eq $true){
$result=New-Object psobject @{
failed=$capture.failed
error=$capture.error
output=$capture.output
changed=$change
msg=$msg
difference=$diff
fwsettings=$fwsettings
};
Exit-Json $result;
}
} elseif ($capture.identical -eq $false) {
if ($force -eq $true) {
$capture=removeFirewallRule($fwsettings);
$msg+=$capture.msg;
$change=$true;
if ($capture.failed -eq $true){
$result=New-Object psobject @{
failed=$capture.failed
error=$capture.error
changed=$change
msg=$msg
output=$capture.output
fwsettings=$fwsettings
};
Exit-Json $result;
}
$capture=createFireWallRule($fwsettings);
$msg+=$capture.msg;
$change=$true;
if ($capture.failed -eq $true){
$result=New-Object psobject @{
failed=$capture.failed
error=$capture.error
changed=$change
msg=$msg
difference=$diff
fwsettings=$fwsettings
};
Exit-Json $result;
}
} else {
$fail=$true
$msg+=@("There was already a rule $name with different values, use force=True to overwrite it");
}
} elseif ($capture.identical -eq $true) {
$msg+=@("Firewall rule $name was already created");
};
}
"absent" {
if ($capture.exists -eq $true) {
$capture=removeFirewallRule($fwsettings);
$msg+=$capture.msg;
$change=$true;
if ($capture.failed -eq $true){
$result=New-Object psobject @{
failed=$capture.failed
error=$capture.error
changed=$change
msg=$msg
output=$capture.output
fwsettings=$fwsettings
};
Exit-Json $result;
}
} else {
$msg+=@("Firewall rule $name did not exist");
};
}
};
$result=New-Object psobject @{
failed=$fail
changed=$change
msg=$msg
difference=$diff
fwsettings=$fwsettings
};
Exit-Json $result;
Zerion Mini Shell 1.0