Merge pull request #8 from sawft99/AddTeamViewerCheck

Add team viewer check script

CheckTeamviewerVersion.ps1

@@ -0,0 +1,75 @@
+#Check if latest Teamviewer version is installed
+
+[System.UriBuilder]$LatestVersionURL = 'https://www.teamviewer.com/en-us/download/windows/'
+
+#If more than X minor versions behind, report as critical
+#Example if $MaxMinorDif = 4: Latest = 15.5.0, Installed = 15.2.0, reports as warning. If Latest = 15.5.0, Installed = 15.0.0, then it will report as critical
+#Being behind by 1 or more major versions is automatically critical
+#Being behind by 1 or more build numbers is automatically minor
+[int]$MaxMinorDif = 4
+
+#---------
+
+#Detect x64 or x86 TV
+[System.IO.FileInfo]$TVExe = ${env:ProgramFiles} + '\' + 'TeamViewer' + '\' + 'TeamViewer.exe'
+
+if ($TVExe.Exists -eq $false) {
+    [System.IO.FileInfo]$TVExe = ${env:ProgramFiles(x86)} + '\' + 'TeamViewer' + '\' + 'TeamViewer.exe'
+}
+if ($TVExe.Exists -eq $false) {
+    Write-Output 'UNKNOWN: Teamviewer not found or not installed'
+    exit 3
+}
+
+#Forces TLS 1.2
+[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12
+
+#Find latest version from TV site
+#$WebPage = New-Object -ComObject "HTMLFile"
+#$Content = (Invoke-WebRequest -Uri $LatestVersionURL.Uri -UseBasicParsing).Content.ToString()
+#$WebPage.write([ref]$Content)
+
+#More compatible version
+$Content = (Invoke-WebRequest -Uri $LatestVersionURL.Uri -UseBasicParsing).Content
+
+[string]$LatestVersion = ((($Content -split '\n') | Where-Object {$_ -cmatch 'Current version: '} | Select-Object -First 1).TrimStart('Current version: ')).TrimEnd('')
+$LatestVersion = $LatestVersion.Trim('<span data-dl-version-label>').trim('</')
+$LatestVersion = ($LatestVersion -split '\.' | Select-Object -First 3) -join '.'
+[version]$LatestVersion = $LatestVersion
+
+#Compare newest verison and current version
+[string]$InstalledVersion = $TVExe.VersionInfo.FileVersion
+$InstalledVersion = ($InstalledVersion -split '\.' | Select-Object -First 3) -join '.'
+[version]$InstalledVersion = $InstalledVersion
+
+#Determine difference in version numbers
+$MajorDif = $LatestVersion.Major - $InstalledVersion.Major
+$MinorDif = $LatestVersion.Minor - $InstalledVersion.Minor
+
+#Report
+if ($LatestVersion -eq $InstalledVersion) {
+    Write-Output 'OK: TeamViewer is up to date'
+    Write-Output "Latest Version:  $LatestVersion"
+    Write-Output "Current Version: $InstalledVersion"
+    $LASTEXITCODE = 0
+} elseif (($MajorDif -le 0) -and ($MinorDif -gt 0) -and ($MinorDif -lt $MaxMinorDif)) {
+    Write-Output 'WARNING: TeamViewer is out of date'
+    Write-Output "Latest Version:  $LatestVersion"
+    Write-Output "Current Version: $InstalledVersion"
+    $LASTEXITCODE = 1
+} elseif (($MajorDif -gt 0) -or ($MinorDif -ge $MaxMinorDif)) {
+    Write-Output 'CRITICAL: TeamViewer is VERY out of date'
+    Write-Output "Latest Version:  $LatestVersion"
+    Write-Output "Current Version: $InstalledVersion"
+    $LASTEXITCODE = 2
+} elseif ($LatestVersion -ne $InstalledVersion) {
+    Write-Output 'WARNING: TeamViewer is out of date'
+    Write-Output "Latest Version:  $LatestVersion"
+    Write-Output "Current Version: $InstalledVersion"
+    $LASTEXITCODE = 1
+} else {
+    Write-Output 'UNKNOWN: Issue with determining versions'
+    $LASTEXITCODE = 3
+}
+
+exit $LASTEXITCODE

README.md

@@ -11,12 +11,15 @@ Various Nagios plugins
 - [CheckPSSignatures.ps1](#checkpssignaturesps1)
   - [Arguments](#arguments-2)
   - [Example](#example-2)
-- [CheckWazuhVersion.ps1](#checkwazuhversionps1)
+- [CheckTeamviewerVersion.ps1](#checkteamviewerversionps1)
   - [Arguments](#arguments-3)
   - [Example](#example-3)
-- [CheckWinLocalAccounts.ps1](#checkwinlocalaccountsps1)
+- [CheckWazuhVersion.ps1](#checkwazuhversionps1)
   - [Arguments](#arguments-4)
   - [Example](#example-4)
+- [CheckWinLocalAccounts.ps1](#checkwinlocalaccountsps1)
+  - [Arguments](#arguments-5)
+  - [Example](#example-5)
 
 ## [CheckForRestartsAndUptime.ps1](./CheckForRestartsAndUptime.ps1)
 
@@ -85,6 +88,26 @@ Various Nagios plugins
 ![Ex-Sigs1.png](./Examples/Ex-Sigs1.png)
 ![Ex-Sigs2.png](./Examples/Ex-Sigs2.png)
 
+## [CheckTeamviewerVersion.ps1](./CheckTeamviewerVersion.ps1)
+
+- Checks if computer is running an outdated Teamviewer
+- Inside script there is a variable for $MaxMinorDif with a default value of '4'
+  - This will determine the number of revisions between the latest version and the installed version
+  - If it is more than 4 minor revisions behind, or 1+ major release behind, it reports CRITICAL
+  - 4 or less revisions reports as WARNING
+- **<ins>Currently not on Nagios Exchange</ins>**
+
+### Arguments
+
+- N/A
+
+### Example
+
+- `check_ncpa.py -t 'TOKEN' -P 5693 -M 'plugins/CheckTeamviewerVersion.ps1'`
+
+![Ex-TV1.png](./Examples/Ex-TV1.png)
+![Ex-TV2.png](./Examples/Ex-TV2.png)
+
 ## [CheckWazuhVersion.ps1](./CheckWazuhVersion.ps1)
 
 - Checks if computer is running an outdated Wazuh agent