New daily password and a Cisco guest wireless portal

new daily password and a cisco guest wireless portal

Posted May 19, 2014 Updated Apr 2, 2025

By J Bilinski

3 min read

This script is being used to implement a wireless guest portal with a semi-random password and update an internal website with the current password.

Here’s what I had to work with:

Windows Server
Webserver (IIS)
Cisco Wireless Lan Controllers [¹]
Existing router config managment tool (CatTools) [²]

Here’s the full script

#requires -Version 3 function Check-GuestEnvironment { [CmdletBinding()] Param( [Parameter(Mandatory = $true)][string]$kiwiServer, [Parameter(Mandatory = $true)][string]$webServer, [Parameter(Mandatory = $true)][string]$webURL ) $kiwiService = Get-Service -ComputerName $kiwiServer -Name CatTools $kiwiService.ToString() | Update-GuestWirelessTaskLog -EventID 8056 If ($($kiwiService.Status) -ne 'Running') { Write-Verbose -Message "ERROR: $($kiwiService.displayname) not detected running" Update-GuestWirelessTaskLog -EventID 8056 -LogMessage "WARNING! $($kiwiService.displayname) not detected running on $kiwiServer ." } else{Update-GuestWirelessTaskLog -EventID 8056 -LogMessage "Verified $($kiwiService.displayname) is $($kiwiService.Status) "} $httpService = Get-Service -ComputerName $webServer -Name W3SVC $httpService.ToString() | Update-GuestWirelessTaskLog -EventID 8057 If ($($httpService.Status) -ne 'Running') { Write-Verbose -Message "ERROR: $($httpService.displayname) Service not detected running" Update-GuestWirelessTaskLog -EventID 8057 -LogMessage "WARNING! $($httpService.displayname) not detected running on $webServer ." } else{Update-GuestWirelessTaskLog -EventID 8057 -LogMessage "Verified $($httpService.displayname) is $($httpService.Status) "} $httpContent = Invoke-WebRequest -Uri $webURL if ($($httpContent.StatusCode) -ne '200') { Write-Verbose -Message "ERROR: $webURL returned unexpected StatusCode $($httpContent.StatusCode)" Update-GuestWirelessTaskLog -EventID 8057 -LogMessage "WARNING! $webURL returned unexpected StatusCode $($httpContent.StatusCode) with content $($httpContent.RawContent) " } else{Update-GuestWirelessTaskLog -EventID 8057 -LogMessage "Website $($httpContent.StatusDescription). $webURL returned StatusCode $($httpContent.StatusCode)"} } function Create-GuestPassKey { [CmdletBinding()] Param( [Parameter(Mandatory = $true)][string]$keyWordsCSVpath ) $keyWords = Import-Csv -Path $keyWordsCSVpath Set-Variable -Scope 1 -Name passkey -Value "$(Get-Random -InputObject $($keyWords.KeyA) -Count 1)-$(Get-Random -InputObject $($keyWords.KeyB) -Count 1)" [string]$passkey = "$(([string]$passkey[0]).ToUpper())$($passkey.Substring(1))" #add upper for mixed-case requirement Return $passkey } function New-GuestKeyConfig { Param( [Parameter(Mandatory = $true)][string]$GuestPassword, [Parameter(Mandatory = $true)][string]$GuestUsername, [Parameter(Mandatory = $false)][string]$configstring = 'config netuser password $GUESTUSERNAME $GUESTPASSWORD', #single quotes to prevent var exp [Parameter(Mandatory = $true)][string]$configTXTpath ) $configstring = $configstring.Replace('$GUESTUSERNAME', "$GuestUsername") $configstring = $configstring.Replace('$GUESTPASSWORD', "$GuestPassword") Update-GuestWirelessTaskLog -EventID 8054 -LogMessage "config=$configstring" $configstring | Out-File -FilePath $configTXTpath -Encoding ascii -Force } #optional requirement - verify-guestkeyconfig function New-GuestKeyWebpage { Param( [Parameter(Mandatory = $true)][string]$GuestPassword, [Parameter(Mandatory = $true)][string]$WebPagepath ) [string]$title = 'Contoso Guest WiFi Credentials' $cssuri = 'http://guestwireless.contoso.com/cotosostyle.css' $body = "<H1>Contoso Guest Wireless Credentials</H1><div>Username: Guest<br />Password: <span>$($GuestPassword)</span></div>" $postcontent = "<p>Updated:$(Get-Date)</p>" Update-GuestWirelessTaskLog -EventID 8055 -LogMessage "Saving http to path $WebPagepath" Update-GuestWirelessTaskLog -EventID 8055 -LogMessage "Saving http content $body" ConvertTo-Html -Title $title -CssUri $cssuri -Body $body -PostContent $postcontent | Out-File -Encoding utf8 -FilePath $WebPagepath -Force #return $body } function Verify-WirelessKeyWebpage { Param( [Parameter(Mandatory = $true,ValueFromPipeline = $true)][string]$matchBodyHTML, [Parameter(Mandatory = $true)][string]$WirelessKeyURL ) Update-GuestWirelessTaskLog -EventID 8058 -LogMessage "Verifying Web Page at $WirelessKeyURL returns $matchBodyHTML" [string]$guestPageBody = (Invoke-WebRequest -Uri $WirelessKeyURL).content -replace '[^a-zA-Z0-9-\<\>\s\.]', '' if ($guestPageBody -notlike "*$($matchBodyHTML)*") { Write-Verbose -Message "ERROR: Updated HTTP content not found at $WirelessKeyURL" Update-GuestWirelessTaskLog -EventID 8058 "WARNING! Updated HTTP content not found at $WirelessKeyURL . $matchBodyHTML --NOT IN-- $guestPageBody" } else{Update-GuestWirelessTaskLog -EventID 8058 -LogMessage "PASS. Verified $WirelessKeyURL is updated ." } } function Update-GuestWirelessTaskLog { [CmdletBinding()] Param( [Parameter(Mandatory = $false)][int]$EventID = 8051, [Parameter(Mandatory = $true,ValueFromPipeline = $true)][string]$LogMessage = 'Undefined Log Entry' ) try{New-EventLog -LogName JBScriptingLog -Source PSScript -ComputerName . -ErrorAction Stop} catch{Write-EventLog -LogName JBScriptingLog -Source PSScript -EventId $EventID -Message "GuestWifiPW: $($LogMessage)" -EntryType Information} } function Start-DailyGuestWirelessTasks { [CmdletBinding()] Param( [Parameter(Mandatory = $false)][string]$kiwiServer = 'netutil5.contoso.com', [Parameter(Mandatory = $false)][string]$webServer = '.', [Parameter(Mandatory = $false)][string]$webURL = 'http://guestwifi.contoso.com', [Parameter(Mandatory = $false)][string]$WebPagepath = 'C:\inetpub\wwwroot\guest\default.htm', [Parameter(Mandatory = $false)][string]$KeyWordsCSV = 'VAR:\IndustryKeywords.csv', [Parameter(Mandatory = $false)][string]$configTXTpath = 'OUT:\Kiwi\guestwifi\ConfigGuestPassword.txt', [Parameter(Mandatory = $false)][string]$VARpath = '\\devutility2.contoso.com\svn\var\', [Parameter(Mandatory = $false)][string]$OUTpath = '\\devutility2.contoso.com\svn\out\', [Parameter(Mandatory = $false)][string]$GuestUsername = 'Guest', [Parameter(Mandatory = $false)][switch]$setEnvironment ) Update-GuestWirelessTaskLog -EventID 8052 -LogMessage "Starting Daily Task ($kiwiServer,$webServer,$webURL,$WebPagepath,$KeyWordsCSV,$configTXTpath,$VARpath,$OUTpath,$setEnvironment)" if ($setEnvironment) { $null = New-PSDrive -Name VAR -PSProvider FileSystem -Root $VARpath $null = New-PSDrive -Name OUT -PSProvider FileSystem -Root $OUTpath } Check-GuestEnvironment -kiwiServer $kiwiServer -webServer $webServer -webURL $webURL $DailyPassKey = Create-GuestPassKey -keyWordsCSVpath $KeyWordsCSV Update-GuestWirelessTaskLog -EventID 8052 -LogMessage "Using new guest PassKey $DailyPassKey" New-GuestKeyConfig -GuestUsername $GuestUsername -GuestPassword $DailyPassKey -configTXTpath $configTXTpath New-GuestKeyWebpage -GuestPassword $DailyPassKey -WebPagepath $WebPagepath Verify-WirelessKeyWebpage -matchBodyHTML $DailyPassKey -WirelessKeyURL $webURL } Start-DailyGuestWirelessTasks -setEnvironment

References:

1: Cisco WLC reference https://www.cisco.com/c/en/us/products/wireless/wireless-lan-controller/index.html ↩︎
2: Kiwi CatTools reference https://www.solarwinds.com/kiwi-cattools.aspx ↩︎

powershell, script, automation

This post is licensed under CC BY 4.0 by the author.

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