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fix: Add parameter for approved storage providers for 8.1.1

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This commit is contained in:
DrIOS
2024-06-30 10:11:25 -05:00
parent 5125d7f684
commit fc9ff57576
4 changed files with 58 additions and 24 deletions
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1
source/Private/Get-CISMSTeamsOutput.ps1
View File

@@ -49,6 +49,7 @@ function Get-CISMSTeamsOutput {
# Assuming that 'approvedProviders' is a list of approved cloud storage service names
# This list must be defined according to your organization's approved cloud storage services
# Add option for approved providers.
$clientConfig = Get-CsTeamsClientConfiguration
return $clientConfig
}

9
source/Private/Invoke-TestFunction.ps1
View File

@@ -3,9 +3,10 @@ function Invoke-TestFunction {
param (
[Parameter(Mandatory = $true)]
[PSObject]$FunctionFile,
[Parameter(Mandatory = $false)]
[string]$DomainName
[string]$DomainName,
[Parameter(Mandatory = $false)]
[string[]]$ApprovedCloudStorageProvider
)
$functionName = $FunctionFile.BaseName
@@ -16,7 +17,9 @@ function Invoke-TestFunction {
if ('DomainName' -in $functionCmd.Parameters.Keys) {
$paramList.DomainName = $DomainName
}
if ('ApprovedCloudStorageProvider' -in $functionCmd.Parameters.Keys) {
$paramList.ApprovedCloudStorageProvider = $ApprovedCloudStorageProvider
}
# Use splatting to pass parameters
Write-Verbose "Running $functionName..."
try {

32
source/Public/Invoke-M365SecurityAudit.ps1
View File

@@ -21,6 +21,8 @@
Specifies specific recommendations to include in the audit. Accepts an array of recommendation numbers.
.PARAMETER SkipRecommendation
Specifies specific recommendations to exclude from the audit. Accepts an array of recommendation numbers.
.PARAMETER ApprovedCloudStorageProvider
Specifies the approved cloud storage providers for the audit. Accepts an array of cloud storage provider names.
.PARAMETER DoNotConnect
If specified, the cmdlet will not establish a connection to Microsoft 365 services.
.PARAMETER DoNotDisconnect
@@ -134,26 +136,26 @@ function Invoke-M365SecurityAudit {
[string]$DomainName,
# E-Level with optional ProfileLevel selection
[Parameter(Mandatory = $true, ParameterSetName = 'ELevelFilter')]
[Parameter(Mandatory = $true, ParameterSetName = 'ELevelFilter', HelpMessage = "Specifies the E-Level (E3 or E5) for the audit.")]
[ValidateSet('E3', 'E5')]
[string]$ELevel,
[Parameter(Mandatory = $true, ParameterSetName = 'ELevelFilter')]
[Parameter(Mandatory = $true, ParameterSetName = 'ELevelFilter', HelpMessage = "Specifies the profile level (L1 or L2) for the audit.")]
[ValidateSet('L1', 'L2')]
[string]$ProfileLevel,
# IG Filters, one at a time
[Parameter(Mandatory = $true, ParameterSetName = 'IG1Filter')]
[Parameter(Mandatory = $true, ParameterSetName = 'IG1Filter', HelpMessage = "Includes tests where IG1 is true.")]
[switch]$IncludeIG1,
[Parameter(Mandatory = $true, ParameterSetName = 'IG2Filter')]
[Parameter(Mandatory = $true, ParameterSetName = 'IG2Filter', HelpMessage = "Includes tests where IG2 is true.")]
[switch]$IncludeIG2,
[Parameter(Mandatory = $true, ParameterSetName = 'IG3Filter')]
[Parameter(Mandatory = $true, ParameterSetName = 'IG3Filter', HelpMessage = "Includes tests where IG3 is true.")]
[switch]$IncludeIG3,
# Inclusion of specific recommendation numbers
[Parameter(Mandatory = $true, ParameterSetName = 'RecFilter')]
[Parameter(Mandatory = $true, ParameterSetName = 'RecFilter', HelpMessage = "Specifies specific recommendations to include in the audit. Accepts an array of recommendation numbers.")]
[ValidateSet(
'1.1.1', '1.1.3', '1.2.1', '1.2.2', '1.3.1', '1.3.3', '1.3.6', '2.1.1', '2.1.2', `
'2.1.3', '2.1.4', '2.1.5', '2.1.6', '2.1.7', '2.1.9', '3.1.1', '5.1.2.3', `
@@ -166,7 +168,7 @@ function Invoke-M365SecurityAudit {
[string[]]$IncludeRecommendation,
# Exclusion of specific recommendation numbers
[Parameter(Mandatory = $true, ParameterSetName = 'SkipRecFilter')]
[Parameter(Mandatory = $true, ParameterSetName = 'SkipRecFilter', HelpMessage = "Specifies specific recommendations to exclude from the audit. Accepts an array of recommendation numbers.")]
[ValidateSet(
'1.1.1', '1.1.3', '1.2.1', '1.2.2', '1.3.1', '1.3.3', '1.3.6', '2.1.1', '2.1.2', `
'2.1.3', '2.1.4', '2.1.5', '2.1.6', '2.1.7', '2.1.9', '3.1.1', '5.1.2.3', `
@@ -179,12 +181,24 @@ function Invoke-M365SecurityAudit {
[string[]]$SkipRecommendation,
# Common parameters for all parameter sets
[Parameter(Mandatory = $false, HelpMessage = "Specifies the approved cloud storage providers for the audit. Accepts an array of cloud storage provider names.")]
[ValidateSet(
'GoogleDrive', 'ShareFile', 'Box', 'DropBox', 'Egnyte'
)]
[string[]]$ApprovedCloudStorageProvider = @(),
[Parameter(Mandatory = $false, HelpMessage = "Specifies that the cmdlet will not establish a connection to Microsoft 365 services.")]
[switch]$DoNotConnect,
[Parameter(Mandatory = $false, HelpMessage = "Specifies that the cmdlet will not disconnect from Microsoft 365 services after execution.")]
[switch]$DoNotDisconnect,
[Parameter(Mandatory = $false, HelpMessage = "Specifies that the cmdlet will not check for the presence of required modules.")]
[switch]$NoModuleCheck,
[Parameter(Mandatory = $false, HelpMessage = "Specifies that the cmdlet will not prompt for confirmation before proceeding with established connections and will disconnect from all of them.")]
[switch]$DoNotConfirmConnections
)
Begin {
if ($script:MaximumFunctionCount -lt 8192) {
$script:MaximumFunctionCount = 8192
@@ -286,7 +300,7 @@ function Invoke-M365SecurityAudit {
Write-Progress -Activity "Executing Tests" -Status "Executing $($currentTestIndex) of $($totalTests): $($testFunction.Name)" -PercentComplete (($currentTestIndex / $totalTests) * 100)
$functionName = $testFunction.BaseName
if ($PSCmdlet.ShouldProcess($functionName, "Execute test")) {
$auditResult = Invoke-TestFunction -FunctionFile $testFunction -DomainName $DomainName
$auditResult = Invoke-TestFunction -FunctionFile $testFunction -DomainName $DomainName -ApprovedCloudStorageProvider $ApprovedCloudStorageProvider
# Add the result to the collection
[void]$allAuditResults.Add($auditResult)
}

40
source/tests/Test-TeamsExternalFileSharing.ps1
View File

@@ -2,17 +2,15 @@ function Test-TeamsExternalFileSharing {
[CmdletBinding()]
[OutputType([CISAuditResult])]
param (
# Aligned
# Parameters can be added here if needed
[Parameter(Mandatory = $false)]
[string[]]$ApprovedCloudStorageProvider
)
begin {
# Dot source the class script if necessary
# . .\source\Classes\CISAuditResult.ps1
# Initialization code, if needed
$recnum = "8.1.1"
}
process {
try {
# 8.1.1 (L2) Ensure external file sharing in Teams is enabled for only approved cloud storage services
@@ -26,25 +24,44 @@ function Test-TeamsExternalFileSharing {
# Assuming that 'approvedProviders' is a list of approved cloud storage service names
# This list must be defined according to your organization's approved cloud storage services
# Retrieve the current Teams client configuration
$clientConfig = Get-CISMSTeamsOutput -Rec $recnum
$unapprovedProviders = @("AllowDropBox", "AllowBox", "AllowGoogleDrive", "AllowShareFile", "AllowEgnyte")
# Testing
#$clientconfig.AllowGoogleDrive = $false
#$clientconfig.AllowBox = $false
#$clientconfig.AllowShareFile = $false
#$clientconfig.AllowEgnyte = $false
#$clientconfig.AllowDropBox = $false
# Define all possible cloud storage providers
$allProviders = @("AllowDropBox", "AllowBox", "AllowGoogleDrive", "AllowShareFile", "AllowEgnyte")
# If ApprovedCloudStorageProvider is provided, map it to the corresponding settings
if ($PSBoundParameters.ContainsKey('ApprovedCloudStorageProvider')) {
$approvedProviders = @()
foreach ($provider in $ApprovedCloudStorageProvider) {
$approvedProviders += "Allow$provider"
}
} else {
# Default approved providers
$approvedProviders = @()
}
$isCompliant = $true
$nonCompliantProviders = @()
foreach ($provider in $unapprovedProviders) {
if ($clientConfig.$provider) {
foreach ($provider in $allProviders) {
if ($clientConfig.$provider -and -not $approvedProviders.Contains($provider)) {
$isCompliant = $false
$nonCompliantProviders += $provider
}
}
# Create an instance of CISAuditResult and populate it
$basePassDetails = "All cloud storage services are approved providers"
if ($ApprovedCloudStorageProvider) {
$basePassDetails = "Approved cloud storage services: $($ApprovedCloudStorageProvider -join ', ')"
}
# Create an instance of CISAuditResult and populate it
$params = @{
Rec = $recnum
Result = $isCompliant
Status = if ($isCompliant) { "Pass" } else { "Fail" }
Details = if (-not $isCompliant) { "Non-approved providers enabled: $($nonCompliantProviders -join ', ')" } else { "All cloud storage services are approved providers" }
Details = if (-not $isCompliant) { "Non-approved providers enabled: $($nonCompliantProviders -join ', ')" } else { $basePassDetails }
FailureReason = if (-not $isCompliant) { "The following non-approved providers are enabled: $($nonCompliantProviders -join ', ')" } else { "N/A" }
}
$auditResult = Initialize-CISAuditResult @params
@@ -54,7 +71,6 @@ function Test-TeamsExternalFileSharing {
$auditResult = Get-TestError -LastError $LastError -recnum $recnum
}
}
end {
# Return auditResult
return $auditResult