335 lines
14 KiB
PowerShell
335 lines
14 KiB
PowerShell
function Connect-To {
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<#
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.SYNOPSIS
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Connects to the given host using the stored CredentialStoreItem.
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.DESCRIPTION
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Establish a connection to the selected host using a stored CredentialStoreItem.
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.PARAMETER RemoteHost
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Specify the host, for which you would like to change the credentials.
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.PARAMETER Identifier
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Defaults to "". Specify a string, which separates two CredentialStoreItems for the
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same hostname.
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.PARAMETER Type
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Specify the host type of the target. Currently implemented targets are: Possible connection values are:
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CiscoUcs, FTP, NetAppFAS, VMware, CisServer, ExchangeHTTP, ExchangeHTTPS, SCP.
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.PARAMETER Credentials
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Use this parameter to bypass the stored credentials. Without this parameter Connect-To tries to read the
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needed credentials from the CredentialStore. If you provide this parameter you skip this lookup behavior.
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So you can use it to enable credentials without preparing any user interaction.
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.PARAMETER Path
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Define a custom path to a shared CredentialStore.
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.PARAMETER Shared
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Switch to shared mode with this param. This enforces the command to work with a shared CredentialStore which
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can be decrypted across systems.
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.PARAMETER PassThru
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Returns the value from the underlying connection type function.
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.INPUTS
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[None]
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.OUTPUTS
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[None]
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.EXAMPLE
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Connect-To -RemoteHost "ucs.myside.local" -Type CiscoUcs
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.EXAMPLE
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Connect-To -RemoteHost "ftp.myside.local" -Type FTP
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.EXAMPLE
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Connect-To -RemoteHost "fas.myside.local" -Type NetAppFAS
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.EXAMPLE
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Connect-To -RemoteHost "esx01.myside.local" -Type VMware
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.EXAMPLE
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Connect-To -RemoteHost "vCenter.myside.local" -Type CisServer
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.EXAMPLE
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Connect-To -RemoteHost "exchange01.myside.local" -Type ExchangeHTTP
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.EXAMPLE
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Connect-To -RemoteHost "exchange01.myside.local" -Type ExchangeHTTPS
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#>
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[CmdletBinding(DefaultParameterSetName = 'Private')]
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param (
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[Parameter(Mandatory = $true, ParameterSetName = 'Shared')]
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[Parameter(Mandatory = $true, ParameterSetName = 'Private')]
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[string]$RemoteHost,
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[Parameter(Mandatory = $false, ParameterSetName = 'Shared')]
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[Parameter(Mandatory = $false, ParameterSetName = 'Private')]
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[string]$Identifier,
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[Parameter(Mandatory = $true, ParameterSetName = 'Shared')]
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[Parameter(Mandatory = $true, ParameterSetName = 'Private')]
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[ValidateSet(
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'CiscoUcs',
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'FTP',
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'NetAppFAS',
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'VMware',
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'CisServer',
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'ExchangeHTTP',
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'ExchangeHTTPS',
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'SCP'
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)]
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[string]$Type,
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[Parameter(Mandatory = $False, ParameterSetName = 'Shared')]
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[Parameter(Mandatory = $False, ParameterSetName = 'Private')]
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[PSCredential]$Credentials,
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[Parameter(Mandatory = $true, ParameterSetNAme = 'Shared')]
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[switch]$Shared,
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[Parameter(Mandatory = $False, ParameterSetName = 'Shared')]
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[ValidateNotNullOrEmpty()]
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[string]$Path,
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[Parameter(Mandatory = $False, ParameterSetName = 'Private')]
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[Parameter(Mandatory = $False, ParameterSetName = 'Shared')]
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[switch]$PassThru
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)
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begin {
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# Set the CredentialStore for private, shared or custom mode.
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Write-Debug ("ParameterSetName: {0}" -f $PSCmdlet.ParameterSetName)
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if ($PSCmdlet.ParameterSetName -eq 'Private') {
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$Path = Get-DefaultCredentialStorePath
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}
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elseif ($PSCmdlet.ParameterSetName -eq 'Shared') {
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if (!($PSBoundParameters.ContainsKey('Path'))) {
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$Path = Get-DefaultCredentialStorePath -Shared
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}
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}
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# First check the optional modules
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if (-not (Resolve-Dependency -Name $Type)) {
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Write-Error -Message ("Could not resolve the optional dependencies defined for {0}" -f $Type) -ErrorAction 'Stop'
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}
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switch ($Type) {
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"VMware" {
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# Disable the yellow certificate warning, since we haven't replaced the SSL certs for vCenter/ESXi
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$null = Set-PowerCLIConfiguration -Scope Session -InvalidCertificateAction Ignore -Confirm:$false
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# Disable connecting through proxy, since vCenter isn't somewhere we need a proxy for.
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$null = Set-PowerCLIConfiguration -Scope Session -ProxyPolicy NoProxy -Confirm:$false
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}
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}
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}
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process {
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if (-not ($Credentials)) {
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# Load the credential from the CredentialStore. If the credential doesn't exist, we need to
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# return 1, so a calling if statement can handle the failure detection.
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# Check if $Identifier has been defined, in which case we need to use different name for
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# the lookup of the CredentialStoreItem.
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try {
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if ($Identifier -ne "") {
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$RemoteHostIdentifier = "{0}/{1}" -f $Identifier, $RemoteHost
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$creds = Get-CredentialStoreItem -Shared -RemoteHost $RemoteHostIdentifier -Path $Path
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}
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else {
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$creds = Get-CredentialStoreItem -Shared -RemoteHost $RemoteHost -Path $Path
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}
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}
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catch {
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$MessageParams = @{
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Message = "Unable to look up credential store item for RemoteHost {0}/Identifier {1}!" -f $RemoteHost, $Identifier
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ErrorAction = 'Stop'
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}
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Write-Error @MessageParams
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}
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}
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else {
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$creds = $Credentials
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}
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if ($creds.UserName -eq "" -or $creds.Password.GetType().Name -ne 'SecureString') {
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$MessageParams = @{
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Message = "Please provide valid credentials for RemoteHost {0}!" -f $RemoteHost
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ErrorAction = 'Stop'
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}
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Write-Error @MessageParams
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}
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else {
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switch ($Type) {
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"CiscoUcs" {
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try {
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$handle = Connect-Ucs -Name $RemoteHost -Credential $creds -ErrorAction Stop
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$ExecutionContext.SessionState.PSVariable.Set('DefaultUcs', $handle)
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}
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catch {
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$MessageParams = @{
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Message = "Unable to connect to {0} using Type {1}." -f $RemoteHost, $Type
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ErrorAction = 'Stop'
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}
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Write-Error @MessageParams
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}
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}
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"FTP" {
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# First establish the FTP session
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$WinSCPConParams = @{
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Credential = $creds
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Hostname = $RemoteHost
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Protocol = 'Ftp'
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FtpMode = 'Passive'
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}
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try {
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$FTPSessionOption = New-WinSCPSessionOption @WinSCPConParams
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$Global:WinSCPSession = New-WinSCPSession -SessionOption $FTPSessionOption
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}
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catch {
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throw "Could not connect to {0} using {1} protocol!" -f $RemoteHost, $Type
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}
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# Check the Connection State
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if (!($WinSCPSession.Opened)) {
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# Check the connection state and find out if the session is still open.
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$MessageParams = @{
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Message = "Connection to {0} using Type {1} was established. But now it seems to be lost!" -f $RemoteHost, $Type
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ErrorAction = 'Stop'
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}
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Write-Error @MessageParams
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}
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}
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"NetAppFAS" {
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try {
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$null = Connect-NcController -Name $RemoteHost -Credential $creds -ErrorAction Stop -HTTPS
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}
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catch {
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# Write a error message to the log.
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$MessageParams = @{
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Message = "Unable to connect to {0} using Type {1}." -f $RemoteHost, $Type
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ErrorAction = 'Stop'
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}
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Write-Error @MessageParams
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}
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}
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"VMware" {
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try {
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Connect-VIServer -Server $RemoteHost -Credential $creds -ErrorAction Stop | Out-Null
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}
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catch {
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# Write a error message to the log.
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$MessageParams = @{
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Message = "Unable to connect to {0} using Type {1}." -f $RemoteHost, $Type
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ErrorAction = 'Stop'
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}
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Write-Error @MessageParams
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}
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}
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"CisServer" {
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try {
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if ($PassThru.IsPresent) {
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Connect-CisServer -Server $RemoteHost -Credential $creds -ErrorAction Stop
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}
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else {
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Connect-CisServer -Server $RemoteHost -Credential $creds -ErrorAction Stop | Out-Null
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}
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}
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catch {
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# Write a error message to the log.
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$MessageParams = @{
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Message = "Unable to connect to {0} using Type {1}." -f $RemoteHost, $Type
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ErrorAction = 'Stop'
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}
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Write-Error @MessageParams
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}
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}
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"ExchangeHTTP" {
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try {
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$ConnectionParams = @{
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ConnectionURI = "http://{0}/powershell" -f $RemoteHost
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ConfigurationName = 'Microsoft.Exchange'
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Credential = $creds
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ErrorAction = 'Stop'
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}
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$Global:PSExchangeRemote = New-PSSession @ConnectionParams
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}
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catch {
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# Write a error message to the log.
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$MessageParams = @{
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Message = "Unable to connect to {0} using Type {1}." -f $RemoteHost, $Type
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ErrorAction = 'Stop'
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}
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Write-Error @MessageParams
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}
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}
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"ExchangeHTTPS" {
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try {
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$ConnectionParams = @{
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ConnectionURI = "https://{0}/powershell" -f $RemoteHost
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ConfigurationName = 'Microsoft.Exchange'
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Credential = $creds
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ErrorAction = 'Stop'
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}
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$Global:PSExchangeRemote = New-PSSession @ConnectionParams
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}
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catch {
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# Write a error message to the log.
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$MessageParams = @{
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Message = "Unable to connect to {0} using Type {1}." -f $RemoteHost, $Type
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ErrorAction = 'Stop'
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}
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Write-Error @MessageParams
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}
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}
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"SCP" {
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$WinSCPSessionParams = @{
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Credential = $creds
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Hostname = $RemoteHost
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Protocol = 'Scp'
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GiveUpSecurityAndAcceptAnySshHostKey = $True
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}
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try {
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$SessionOption = New-WinSCPSessionOption @WinSCPSessionParams
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$Global:WinSCPSession = New-WinSCPSession -SessionOption $SessionOption
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Write-Verbose -Message ("SCP Connection established with {0}" -f $Global:WinSCPSession.Hostname)
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}
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catch {
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# Write a error message to the log.
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$MessageParams = @{
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Message = "Unable to connect to {0} using Type {1}." -f $RemoteHost, $Type
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ErrorAction = 'Stop'
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}
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Write-Error @MessageParams
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}
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# Check the Connection State
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if (!($WinSCPSession.Opened)) {
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# Check the connection state and find out if the session is still open.
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$MessageParams = @{
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Message = "Connection to {0} using Type {1} was established. But now it seems to be lost!" -f $RemoteHost, $Type
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ErrorAction = 'Stop'
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}
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Write-Error @MessageParams
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}
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}
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default {
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# Write a error message to the log.
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$MessageParams = @{
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Message = "Unable to connect to {0} using Type {1}." -f $RemoteHost, $Type
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ErrorAction = 'Stop'
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}
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Write-Error @MessageParams
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}
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}
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}
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}
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}
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