Public/Get-SSHProbe.ps1
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<# .SYNOPSIS Use ssh to determine OS information and the default shell for a Remote Host. .DESCRIPTION See SYNOPSIS .PARAMETER RemoteOSGuess This parameter is OPTIONAL. This parameter takes a string (either "Windows" or "Linux") that represents the type of platform you anticipate the Remote Host has. The default value for this parameter is "Windows". IMPORTANT NOTE: If you specify "Linux" and it turns out that the Remote Host is running Windows, this function will fail. So, if you're not sure, leave the default value "Windows". .PARAMETER RemoteHostNameOrIP This parameter is MANDATORY. This parameter takes a string that represents the DNS-resolvable HostName/FQDN or IPv4 Address of the target Remote Host .PARAMETER LocalUserName This parameter is MANDATORY for the Parameter Set 'Local'. This parameter takes a string that represents the Local User Account on the Remote Host that you are using to ssh into the Remote Host. This string must be in format: <RemoteHostName>\<UserName> .Parameter DomainUserName This parameter is MANDATORY for the Parameter Set 'Domain'. This parameter takes a string that represents the Domain User Account on the Remote Host that you are using to ssh into the Remote Host. This string must be in format: <DomainShortName>\<UserName> .Parameter LocalPasswordSS This parameter is MANDATORY for the Parameter Set 'Local'. This parameter takes a securestring that represents the password for the -LocalUserName you are using to ssh into the Remote Host. .Parameter DomainPasswordSS This parameter is MANDATORY for the Parameter Set 'Domain'. This parameter takes a securestring that represents the password for the -DomainUserName you are using to ssh into the Remote Host. .PARAMETER KeyFilePath This parameter is OPTIONAL. This parameter takes a string that represents the full path to the Key File you are using to ssh into the Remote Host. Use this parameter instead of -LocalPasswordSS or -DomainPasswordSS. .EXAMPLE # Minimal parameters... $GetSSHProbeSplatParams = @{ RemoteHostNameOrIP = "zerowin16sshb" DomainUserNameSS = "zero\zeroadmin" DomainPasswordSS = $(Read-Host -Prompt "Enter password" -AsSecureString) } Get-SSHProbe @GetSSHProbeSplatParams .EXAMPLE # Using a local account on the Remote Host... $GetSSHProbeSplatParams = @{ RemoteHostNameOrIP = "centos7nodomain" LocalUserNameSS = "centos7nodomain\vagrant" LocalPasswordSS = $(Read-Host -Prompt "Enter password" -AsSecureString) } Get-SSHProbe @GetSSHProbeSplatParams .EXAMPLE # Using an ssh Key File instead of a password... $GetSSHProbeSplatParams = @{ RemoteHostNameOrIP = "centos7nodomain" LocalUserNameSS = "centos7nodomain\vagrant" KeyFilePath = $HOME/.ssh/my_ssh_key } Get-SSHProbe @GetSSHProbeSplatParams #> function Get-SSHProbe { [CmdletBinding(DefaultParameterSetName='Domain')] Param ( [Parameter(Mandatory=$False)] [ValidateSet("Windows","Linux")] [string]$RemoteOSGuess = "Windows", [Parameter(Mandatory=$True)] [string]$RemoteHostNameOrIP, [Parameter( Mandatory=$True, ParameterSetName='Local' )] [ValidatePattern("\\")] # Must be in format <RemoteHostName>\<User> [string]$LocalUserName, [Parameter( Mandatory=$True, ParameterSetName='Domain' )] [ValidatePattern("\\")] # Must be in format <DomainShortName>\<User> [string]$DomainUserName, [Parameter( Mandatory=$False, ParameterSetName='Local' )] [securestring]$LocalPasswordSS, [Parameter( Mandatory=$False, ParameterSetName='Domain' )] [securestring]$DomainPasswordSS, [Parameter(Mandatory=$False)] [string]$KeyFilePath ) #region >> Prep if (!$(Get-Command ssh -ErrorAction SilentlyContinue)) { Write-Error "Unable to find 'ssh'! Please make sure it is installed and part of your Environment/System Path! Halting!" $global:FunctionResult = "1" return } if ($KeyFilePath) { if (!$(Test-Path $KeyFilePath)) { Write-Error "Unable to find KeyFilePath '$KeyFilePath'! Halting!" $global:FunctionResult = "1" return } if (!$LocalUserName -and !$DomainUserName) { Write-Error "You must supply either -LocalUserName or -DomainUserName when using the -KeyFilePath parameter! Halting!" $global:FunctionResult = "1" return } } try { $RemoteHostNetworkInfo = ResolveHost -HostNameOrIP $RemoteHostNameOrIP -ErrorAction Stop } catch { Write-Error $_ Write-Error "Unable to resolve '$RemoteHostNameOrIP'! Halting!" $global:FunctionResult = "1" return } if ($LocalPasswordSS -or $DomainPasswordSS -and $KeyFilePath) { Write-Error "Please use EITHER -KeyFilePath OR -LocalPasswordSS/-DomainPasswordSS in order to ssh to $RemoteHostNameOrIP! Halting!" $global:FunctionResult = "1" return } if ($LocalUserName) { if ($($LocalUserName -split "\\")[0] -ne $RemoteHostNetworkInfo.HostName) { $ErrMsg = "The HostName indicated by -LocalUserName (i.e. $($($LocalUserName -split "\\")[0]) is not the same as " + "the HostName as determined by network resolution (i.e. $($RemoteHostNetworkInfo.HostName))! Halting!" Write-Error $ErrMsg $global:FunctionResult = "1" return } } if ($DomainUserName) { if ($($DomainUserName -split "\\")[0] -ne $($RemoteHostNetworkInfo.Domain -split "\.")[0]) { $ErrMsg = "The Domain indicated by -DomainUserName (i.e. '$($($DomainUserName -split "\\")[0])') is not the same as " + "the Domain as determined by network resolution (i.e. '$($($RemoteHostNetworkInfo.Domain -split "\.")[0])')! Halting!" Write-Error $ErrMsg $global:FunctionResult = "1" return } } if ($LocalPasswordSS) { $LocalPassword = [Runtime.InteropServices.Marshal]::PtrToStringAuto([Runtime.InteropServices.Marshal]::SecureStringToBSTR($LocalPasswordSS)) } If ($DomainPasswordSS) { $DomainPassword = [Runtime.InteropServices.Marshal]::PtrToStringAuto([Runtime.InteropServices.Marshal]::SecureStringToBSTR($DomainPasswordSS)) } if (!$PSVersionTable.Platform -or $PSVersionTable.Platform -eq "Win32NT") { try { if ($(Get-Module -ListAvailable).Name -notcontains 'WinSSH') {$null = Install-Module WinSSH -ErrorAction Stop} if ($(Get-Module).Name -notcontains 'WinSSH') {$null = Import-Module WinSSH -ErrorAction Stop} Import-Module "$($(Get-Module WinSSH).ModuleBase)\Await\Await.psd1" -ErrorAction Stop } catch { Write-Error $_ $global:FunctionResult = "1" return } try { $null = Stop-AwaitSession } catch { Write-Verbose $_.Exception.Message } } if ($PSVersionTable.Platform -eq "Unix") { # Determine if we have the required Linux commands [System.Collections.ArrayList]$LinuxCommands = @( "echo" "expect" ) [System.Collections.ArrayList]$CommandsNotPresent = @() foreach ($CommandName in $LinuxCommands) { $CommandCheckResult = command -v $CommandName if (!$CommandCheckResult) { $null = $CommandsNotPresent.Add($CommandName) } } if ($CommandsNotPresent.Count -gt 0) { [System.Collections.ArrayList]$FailedInstalls = @() if ($CommandsNotPresent -contains "echo") { try { $null = InstallLinuxPackage -PossiblePackageNames "coreutils" -CommandName "echo" } catch { $null = $FailedInstalls.Add("coreutils") } } if ($CommandsNotPresent -contains "expect") { try { $null = InstallLinuxPackage -PossiblePackageNames "expect" -CommandName "expect" } catch { $null = $FailedInstalls.Add("expect") } } if ($FailedInstalls.Count -gt 0) { Write-Error "The following Linux packages are required, but were not able to be installed:`n$($FailedInstalls -join "`n")`nHalting!" $global:FunctionResult = "1" return } } [System.Collections.ArrayList]$CommandsNotPresent = @() foreach ($CommandName in $LinuxCommands) { $CommandCheckResult = command -v $CommandName if (!$CommandCheckResult) { $null = $CommandsNotPresent.Add($CommandName) } } if ($CommandsNotPresent.Count -gt 0) { Write-Error "The following Linux commands are required, but not present on $env:ComputerName:`n$($CommandsNotPresent -join "`n")`nHalting!" $global:FunctionResult = "1" return } } $TrySSHExe = $False #endregion >> Prep if (!$PSVersionTable.Platform -or $PSVersionTable.Platform -eq "Win32NT") { if ($RemoteOSGuess -eq "Windows") { if ($LocalUserName) { $FullUserName = $LocalUserName } if ($DomainUserName) { $FullUserName = $DomainUserName } if ($RemoteHostNetworkInfo.FQDN -match "unknown") { $HostNameValue = @( $RemoteHostNetworkInfo.IPAddressList | Where-Object {$_ -notmatch "^169"} )[0] } else { $HostNameValue = $RemoteHostNetworkInfo.FQDN } # Install pwsh if it isn't already if (!$(Get-Command pwsh -ErrorAction SilentlyContinue)) { try { if ($(Get-Module -ListAvailable).Name -notcontains 'ProgramManagement') {$null = Install-Module ProgramManagement -ErrorAction Stop} if ($(Get-Module).Name -notcontains 'ProgramManagement') {$null = Import-Module ProgramManagement -ErrorAction Stop} $InstallPwshResult = Install-Program -ProgramName powershell-core -CommandName pwsh.exe } catch { Write-Error $_ $global:FunctionResult = "1" return } } # This is basically what we're going for with the below string manipulation: # & pwsh -c {Invoke-Command -HostName zerowin16sshb -KeyFilePath "$HOME\.ssh\zeroadmin_090618-cert.pub" -ScriptBlock {[pscustomobject]@{Output = "ConnectionSuccessful"}} | ConvertTo-Json} $PwshRemoteScriptBlockStringArray = @( '[pscustomobject]@{' ' Output = "ConnectionSuccessful"' ' Platform = $PSVersionTable.Platform' ' DistroInfo = $PSVersionTable.OS' ' Hostnamectl = hostnamectl' '}' ) | foreach {" $_"} $PwshRemoteScriptBlockString = $PwshRemoteScriptBlockStringArray -join "`n" [System.Collections.ArrayList]$PwshInvCmdStringArray = @( 'Invoke-Command' '-HostName' $HostNameValue '-UserName' $FullUserName ) if ($KeyFilePath) { $null = $PwshInvCmdStringArray.Add('-KeyFilePath') $null = $PwshInvCmdStringArray.Add("'$KeyFilePath'") } $null = $PwshInvCmdStringArray.Add('-HideComputerName') $null = $PwshInvCmdStringArray.Add("-ScriptBlock {`n$PwshRemoteScriptBlockString`n}") $null = $PwshInvCmdStringArray.Add('|') $null = $PwshInvCmdStringArray.Add('ConvertTo-Json') $PwshInvCmdString = $PwshInvCmdStringArray -join " " $PwshCmdStringArray = @( '&' '"' + $(Get-Command pwsh).Source + '"' "-c {$PwshInvCmdString}" ) $PwshCmdString = $script:PwshCmdString = $PwshCmdStringArray -join " " #region >> Await Attempt Number 1 of 2 $PSAwaitProcess = $null $null = Start-AwaitSession Start-Sleep -Seconds 1 $null = Send-AwaitCommand '$host.ui.RawUI.WindowTitle = "PSAwaitSession"' $PSAwaitProcess = $($(Get-Process | Where-Object {$_.Name -eq "powershell"}) | Sort-Object -Property StartTime -Descending)[0] Start-Sleep -Seconds 1 $null = Send-AwaitCommand "`$env:Path = '$env:Path'" Start-Sleep -Seconds 1 $null = Send-AwaitCommand -Command $([scriptblock]::Create($PwshCmdString)) Start-Sleep -Seconds 5 # This will either not prompt at all, prompt to accept the RemoteHost's RSA Host Key, or prompt for a password $SuccessOrAcceptHostKeyOrPwdPrompt = Receive-AwaitResponse [System.Collections.ArrayList]$CheckForExpectedResponses = @() $null = $CheckForExpectedResponses.Add($SuccessOrAcceptHostKeyOrPwdPrompt) $Counter = 0 while (![bool]$($($CheckForExpectedResponses -split "`n") -match [regex]::Escape("Are you sure you want to continue connecting (yes/no)?")) -and ![bool]$($($CheckForExpectedResponses -split "`n") -match "assword.*:") -and ![bool]$($($CheckForExpectedResponses -split "`n") -match "^}") -and $Counter -le 30 ) { $SuccessOrAcceptHostKeyOrPwdPrompt = Receive-AwaitResponse $null = $CheckForExpectedResponses.Add($SuccessOrAcceptHostKeyOrPwdPrompt) if ($CheckResponsesOutput -match "must be greater than zero" -or @($CheckResponsesOutput)[-1] -notmatch "[a-zA-Z]") { break } Start-Sleep -Seconds 1 $Counter++ } if ($Counter -eq 31) { Write-Verbose "SSH via 'pwsh -c {Invoke-Command ...}' timed out!" if ($PSAwaitProcess.Id) { try { $null = Stop-AwaitSession } catch { if ($PSAwaitProcess.Id -eq $PID) { Write-Error "The PSAwaitSession never spawned! Halting!" $global:FunctionResult = "1" return } else { if ([bool]$(Get-Process -Id $PSAwaitProcess.Id -ErrorAction SilentlyContinue)) { Stop-Process -Id $PSAwaitProcess.Id -ErrorAction SilentlyContinue } $Counter = 0 while ([bool]$(Get-Process -Id $PSAwaitProcess.Id -ErrorAction SilentlyContinue) -and $Counter -le 15) { Write-Verbose "Waiting for Await Module Process Id $($PSAwaitProcess.Id) to end..." Start-Sleep -Seconds 1 $Counter++ } } } } } #endregion >> Await Attempt 1 of 2 $CheckResponsesOutput = $CheckForExpectedResponses | foreach {$_ -split "`n"} # Make sure we didn't already throw an error related to the Remote Host not having PowerShell Remoting configured if ($CheckResponsesOutput -match "background process reported an error") { $TrySSHExe = $True } #region >> Await Attempt 2 of 2 # If $CheckResponsesOutput contains the string "must be greater than zero", then something broke with the Await Module. # Most of the time, just trying again resolves any issues if ($CheckResponsesOutput -match "must be greater than zero" -or @($CheckResponsesOutput)[-1] -notmatch "[a-zA-Z]" -and ![bool]$($CheckResponsesOutput -match "background process reported an error")) { if ($PSAwaitProcess.Id) { try { $null = Stop-AwaitSession } catch { if ($PSAwaitProcess.Id -eq $PID) { Write-Error "The PSAwaitSession never spawned! Halting!" $global:FunctionResult = "1" return } else { if ([bool]$(Get-Process -Id $PSAwaitProcess.Id -ErrorAction SilentlyContinue)) { Stop-Process -Id $PSAwaitProcess.Id -ErrorAction SilentlyContinue } $Counter = 0 while ([bool]$(Get-Process -Id $PSAwaitProcess.Id -ErrorAction SilentlyContinue) -and $Counter -le 15) { Write-Verbose "Waiting for Await Module Process Id $($PSAwaitProcess.Id) to end..." Start-Sleep -Seconds 1 $Counter++ } } } } $PSAwaitProcess = $null $null = Start-AwaitSession Start-Sleep -Seconds 1 $null = Send-AwaitCommand '$host.ui.RawUI.WindowTitle = "PSAwaitSession"' $PSAwaitProcess = $($(Get-Process | Where-Object {$_.Name -eq "powershell"}) | Sort-Object -Property StartTime -Descending)[0] Start-Sleep -Seconds 1 $null = Send-AwaitCommand "`$env:Path = '$env:Path'" Start-Sleep -Seconds 1 $null = Send-AwaitCommand -Command $([scriptblock]::Create($PwshCmdString)) Start-Sleep -Seconds 5 # This will either not prompt at all, prompt to accept the RemoteHost's RSA Host Key, or prompt for a password $SuccessOrAcceptHostKeyOrPwdPrompt = Receive-AwaitResponse [System.Collections.ArrayList]$CheckForExpectedResponses = @() $null = $CheckForExpectedResponses.Add($SuccessOrAcceptHostKeyOrPwdPrompt) $Counter = 0 while (![bool]$($SuccessOrAcceptHostKeyOrPwdPrompt -match [regex]::Escape("Are you sure you want to continue connecting (yes/no)?")) -and ![bool]$($SuccessOrAcceptHostKeyOrPwdPrompt -match "assword.*:") -and ![bool]$($SuccessOrAcceptHostKeyOrPwdPrompt -match "^}") -and $Counter -le 30 ) { $SuccessOrAcceptHostKeyOrPwdPrompt = Receive-AwaitResponse $null = $CheckForExpectedResponses.Add($SuccessOrAcceptHostKeyOrPwdPrompt) Start-Sleep -Seconds 1 $Counter++ } if ($Counter -eq 31) { Write-Verbose "SSH via 'pwsh -c {Invoke-Command ...}' timed out!" if ($PSAwaitProcess.Id) { try { $null = Stop-AwaitSession } catch { if ($PSAwaitProcess.Id -eq $PID) { Write-Error "The PSAwaitSession never spawned! Halting!" $global:FunctionResult = "1" return } else { if ([bool]$(Get-Process -Id $PSAwaitProcess.Id -ErrorAction SilentlyContinue)) { Stop-Process -Id $PSAwaitProcess.Id -ErrorAction SilentlyContinue } $Counter = 0 while ([bool]$(Get-Process -Id $PSAwaitProcess.Id -ErrorAction SilentlyContinue) -and $Counter -le 15) { Write-Verbose "Waiting for Await Module Process Id $($PSAwaitProcess.Id) to end..." Start-Sleep -Seconds 1 $Counter++ } } } } } } #endregion >> Await Attempt 2 of 2 $CheckResponsesOutput = $CheckForExpectedResponses | foreach {$_ -split "`n"} # Make sure we didn't already throw an error related to the Remote Host not having PowerShell Remoting configured if ($CheckResponsesOutput -match "background process reported an error") { $TrySSHExe = $True } # At this point, if we don't have the expected output, we need to fail if ($CheckResponsesOutput -match "must be greater than zero" -or @($CheckResponsesOutput)[-1] -notmatch "[a-zA-Z]" -or $CheckResponsesOutput -match "background process reported an error") { if ($CheckResponsesOutput -match "must be greater than zero" -or @($CheckResponsesOutput)[-1] -notmatch "[a-zA-Z]") { Write-Verbose "Something went wrong with the PowerShell Await Module!" } if ($CheckResponsesOutput -match "background process reported an error") { Write-Verbose "Please check your credentials!" } #Write-Host "Await ScriptBlock (`$PwshCmdString) was:`n $PwshCmdString" if ($PSAwaitProcess.Id) { try { $null = Stop-AwaitSession } catch { if ($PSAwaitProcess.Id -eq $PID) { Write-Error "The PSAwaitSession never spawned! Halting!" $global:FunctionResult = "1" return } else { if ([bool]$(Get-Process -Id $PSAwaitProcess.Id -ErrorAction SilentlyContinue)) { Stop-Process -Id $PSAwaitProcess.Id -ErrorAction SilentlyContinue } $Counter = 0 while ([bool]$(Get-Process -Id $PSAwaitProcess.Id -ErrorAction SilentlyContinue) -and $Counter -le 15) { Write-Verbose "Waiting for Await Module Process Id $($PSAwaitProcess.Id) to end..." Start-Sleep -Seconds 1 $Counter++ } } } } $TrySSHExe = $True } # Now we should either have a prompt to accept the host key, a prompt for a password, or it already worked... if ($CheckResponsesOutput -match [regex]::Escape("Are you sure you want to continue connecting (yes/no)?")) { $null = Send-AwaitCommand "yes" Start-Sleep -Seconds 3 # This will either not prompt at all or prompt for a password $SuccessOrAcceptHostKeyOrPwdPrompt = Receive-AwaitResponse [System.Collections.ArrayList]$CheckExpectedSendYesOutput = @() $null = $CheckExpectedSendYesOutput.Add($SuccessOrAcceptHostKeyOrPwdPrompt) $Counter = 0 while (![bool]$($($CheckExpectedSendYesOutput -split "`n") -match "assword.*:") -and ![bool]$($($CheckExpectedSendYesOutput -split "`n") -match "^}") -and $Counter -le 30 ) { $SuccessOrAcceptHostKeyOrPwdPrompt = Receive-AwaitResponse $null = $CheckExpectedSendYesOutput.Add($SuccessOrAcceptHostKeyOrPwdPrompt) Start-Sleep -Seconds 1 $Counter++ } if ($Counter -eq 31) { Write-Error "Sending 'yes' to accept the ssh host key timed out!" $global:FunctionResult = "1" if ($PSAwaitProcess.Id) { try { $null = Stop-AwaitSession } catch { if ($PSAwaitProcess.Id -eq $PID) { Write-Error "The PSAwaitSession never spawned! Halting!" $global:FunctionResult = "1" return } else { if ([bool]$(Get-Process -Id $PSAwaitProcess.Id -ErrorAction SilentlyContinue)) { Stop-Process -Id $PSAwaitProcess.Id -ErrorAction SilentlyContinue } $Counter = 0 while ([bool]$(Get-Process -Id $PSAwaitProcess.Id -ErrorAction SilentlyContinue) -and $Counter -le 15) { Write-Verbose "Waiting for Await Module Process Id $($PSAwaitProcess.Id) to end..." Start-Sleep -Seconds 1 $Counter++ } } } } return } $CheckSendYesOutput = $CheckExpectedSendYesOutput | foreach {$_ -split "`n"} if ($CheckSendYesOutput -match "assword.*:") { if ($LocalPassword) { $null = Send-AwaitCommand $LocalPassword } if ($DomainPassword) { $null = Send-AwaitCommand $DomainPassword } Start-Sleep -Seconds 3 $SuccessOrAcceptHostKeyOrPwdPrompt = Receive-AwaitResponse [System.Collections.ArrayList]$JsonOutputPrep = @() $null = $JsonOutputPrep.Add($SuccessOrAcceptHostKeyOrPwdPrompt) $Counter = 0 while (![bool]$($($JsonOutputPrep -split "`n") -match "^}") -and $Counter -le 30) { $SuccessOrAcceptHostKeyOrPwdPrompt = Receive-AwaitResponse if (![System.String]::IsNullOrWhiteSpace($SuccessOrAcceptHostKeyOrPwdPrompt)) { $null = $JsonOutputPrep.Add($SuccessOrAcceptHostKeyOrPwdPrompt) } Start-Sleep -Seconds 1 $Counter++ } if ($Counter -eq 31) { Write-Verbose "Sending the user's password timed out!" if ($PSAwaitProcess.Id) { try { $null = Stop-AwaitSession } catch { if ($PSAwaitProcess.Id -eq $PID) { Write-Error "The PSAwaitSession never spawned! Halting!" $global:FunctionResult = "1" return } else { if ([bool]$(Get-Process -Id $PSAwaitProcess.Id -ErrorAction SilentlyContinue)) { Stop-Process -Id $PSAwaitProcess.Id -ErrorAction SilentlyContinue } $Counter = 0 while ([bool]$(Get-Process -Id $PSAwaitProcess.Id -ErrorAction SilentlyContinue) -and $Counter -le 15) { Write-Verbose "Waiting for Await Module Process Id $($PSAwaitProcess.Id) to end..." Start-Sleep -Seconds 1 $Counter++ } } } } $TrySSHExe = $True } [System.Collections.ArrayList][array]$JsonOutputPrep = $($JsonOutputPrep | foreach {$_ -split "`n"}) | Where-Object {$_ -notmatch "^PS "} if (![bool]$($JsonOutputPrep[0] -match "^{")) { $null = $JsonOutputPrep.Insert(0,'{') } } } elseif ($CheckResponsesOutput -match "assword.*:") { if ($LocalPassword) { $null = Send-AwaitCommand $LocalPassword } if ($DomainPassword) { $null = Send-AwaitCommand $DomainPassword } Start-Sleep -Seconds 3 $SuccessOrAcceptHostKeyOrPwdPrompt = Receive-AwaitResponse [System.Collections.ArrayList]$JsonOutputPrep = @() $null = $JsonOutputPrep.Add($SuccessOrAcceptHostKeyOrPwdPrompt) $Counter = 0 while (![bool]$($($JsonOutputPrep -split "`n") -match "^}") -and $Counter -le 30) { $SuccessOrAcceptHostKeyOrPwdPrompt = Receive-AwaitResponse if (![System.String]::IsNullOrWhiteSpace($SuccessOrAcceptHostKeyOrPwdPrompt)) { $null = $JsonOutputPrep.Add($SuccessOrAcceptHostKeyOrPwdPrompt) } Start-Sleep -Seconds 1 $Counter++ } if ($Counter -eq 31) { Write-Verbose "Sending the user's password timed out!" if ($PSAwaitProcess.Id) { try { $null = Stop-AwaitSession } catch { if ($PSAwaitProcess.Id -eq $PID) { Write-Error "The PSAwaitSession never spawned! Halting!" $global:FunctionResult = "1" return } else { if ([bool]$(Get-Process -Id $PSAwaitProcess.Id -ErrorAction SilentlyContinue)) { Stop-Process -Id $PSAwaitProcess.Id -ErrorAction SilentlyContinue } $Counter = 0 while ([bool]$(Get-Process -Id $PSAwaitProcess.Id -ErrorAction SilentlyContinue) -and $Counter -le 15) { Write-Verbose "Waiting for Await Module Process Id $($PSAwaitProcess.Id) to end..." Start-Sleep -Seconds 1 $Counter++ } } } } $TrySSHExe = $True } [System.Collections.ArrayList][array]$JsonOutputPrep = $($JsonOutputPrep | foreach {$_ -split "`n"}) | Where-Object {$_ -notmatch "^PS "} if (![bool]$($JsonOutputPrep[0] -match "^{")) { $null = $JsonOutputPrep.Insert(0,'{') } } else { [System.Collections.ArrayList]$JsonOutputPrep = $($CheckResponsesOutput | foreach {$_ -split "`n"}) | Where-Object { $_ -notmatch "^PS " -and ![System.String]::IsNullOrWhiteSpace($_) } $EndOfInputLineContent = $JsonOutputPrep -match [regex]::Escape("ConvertTo-Json}") $JsonOutputIndex = $JsonOutputPrep.IndexOf($EndOfInputLineContent) + 1 [System.Collections.ArrayList]$JsonOutputPrep = $JsonOutputPrep[$JsonOutputIndex..$($JsonOutputPrep.Count-1)] if (![bool]$($JsonOutputPrep[0] -match "^{")) { $null = $JsonOutputPrep.Insert(0,'{') } } if (!$TrySSHExe) { $IndexesOfOpenBracket = for ($i=0; $i -lt $JsonOutputPrep.Count; $i++) { if ($JsonOutputPrep[$i] -match "^{") { $i } } $LastIndexOfOpenBracket = $($IndexesOfOpenBracket | Measure-Object -Maximum).Maximum $IndexesOfCloseBracket = for ($i=0; $i -lt $JsonOutputPrep.Count; $i++) { if ($JsonOutputPrep[$i] -match "^}") { $i } } $LastIndexOfCloseBracket = $($IndexesOfCloseBracket | Measure-Object -Maximum).Maximum [System.Collections.ArrayList]$JsonOutputPrep = $JsonOutputPrep[$LastIndexOfOpenBracket..$LastIndexOfCloseBracket] | foreach {$_ -split "`n"} if (![bool]$($JsonOutputPrep[0] -match "^{")) { $null = $JsonOutputPrep.Insert(0,'{') } $FinalJson = $JsonOutputPrep | foreach {if (![System.String]::IsNullOrWhiteSpace($_)) {$_.Trim()}} try { $SSHCheckAsJson = $FinalJson | ConvertFrom-Json } catch { $TrySSHExe = $True } } if ($PSAwaitProcess.Id) { try { $null = Stop-AwaitSession } catch { if ($PSAwaitProcess.Id -eq $PID) { Write-Error "The PSAwaitSession never spawned! Halting!" $global:FunctionResult = "1" return } else { if ([bool]$(Get-Process -Id $PSAwaitProcess.Id -ErrorAction SilentlyContinue)) { Stop-Process -Id $PSAwaitProcess.Id -ErrorAction SilentlyContinue } $Counter = 0 while ([bool]$(Get-Process -Id $PSAwaitProcess.Id -ErrorAction SilentlyContinue) -and $Counter -le 15) { Write-Verbose "Waiting for Await Module Process Id $($PSAwaitProcess.Id) to end..." Start-Sleep -Seconds 1 $Counter++ } } } } if ($SSHCheckAsJson.Output -ne "ConnectionSuccessful") { $TrySSHExe = $True } # TODO: Remove this after testing finished #$SSHCheckAsJson # NOTE: The below $ShellDetermination refers to the shell you will (probably) end up in if you use an ssh command, NOT PSRemoting if ($SSHCheckAsJson.Output -eq "ConnectionSuccessful") { if ($SSHCheckAsJson.Platform -eq "Win32NT") { $OSDetermination = "Windows" $ShellDetermination = "pwsh" } elseif ($SSHCheckAsJson.DistroInfo -match "Darwin") { $OSDetermination = "MacOS" $ShellDetermination = "pwsh" } else { $OSDetermination = "Linux" $ShellDetermination = "pwsh" } [System.Collections.ArrayList]$OSVersionInfo = @() if ($SSHCheckAsJson.DistroInfo) { $null = $OSVersionInfo.Add($SSHCheckAsJson.DistroInfo) } if ($SSHCheckAsJson.Hostnamectl) { $null = $OSVersionInfo.Add($SSHCheckAsJson.Hostnamectl) } $FinalOutput = [pscustomobject]@{ OS = $OSDetermination Shell = $ShellDetermination OSVersionInfo = $OSVersionInfo AllOutput = $SSHCheckAsJson } } } if ($RemoteOSGuess -eq "Linux" -or $TrySSHExe) { if ($LocalUserName) { $FullUserName = $($LocalUserName -split "\\")[-1] } if ($DomainUserName) { $DomainNameShort = $($DomainUserName -split "\\")[0] $FullUserName = $($DomainUserName -split "\\")[-1] } $HostNameValue = $RHostIP = @( $RemoteHostNetworkInfo.IPAddressList | Where-Object {$_ -notmatch "^169"} )[0] # This is what we're going for: # ssh -t pdadmin@192.168.2.10 "echo 'ConnectionSuccessful'" [System.Collections.ArrayList]$SSHCmdStringArray = @( 'ssh' ) if ($KeyFilePath) { $null = $SSHCmdStringArray.Add("-i") $null = $SSHCmdStringArray.Add("'" + $KeyFilePath + "'") } if ($LocalUserName) { $null = $SSHCmdStringArray.Add("$FullUserName@$HostNameValue") } if ($DomainUserName) { $null = $SSHCmdStringArray.Add("$FullUserName@$DomainNameShort@$HostNameValue") } $Bytes = [System.Text.Encoding]::Unicode.GetBytes('$PSVersionTable | ConvertTo-Json') $EncodedCommandPSVerTable = [Convert]::ToBase64String($Bytes) $Bytes = [System.Text.Encoding]::Unicode.GetBytes('"Cim OS Info: " + $(Get-CimInstance Win32_OperatingSystem).Caption') $EncodedCommandWinOSCim = [Convert]::ToBase64String($Bytes) $SSHScript = @( "echo ConnectionSuccessful" "echo 111RootDirInfo111" "cd /" "dir" "echo 111ProcessInfo111" 'Get-Process -Id `$PID' "echo 111PwshJson111" "pwsh -NoProfile -EncodedCommand $EncodedCommandPSVerTable" "echo 111PowerShellCimInfo111" "powershell -NoProfile -EncodedCommand $EncodedCommandWinOSCim" "echo 111UnameOutput111" "uname -a" "echo 111HostnamectlOutput111" "hostnamectl" ) $SSHScript = $SSHScript -join "; " $null = $SSHCmdStringArray.Add($('"' + $SSHScript + '"')) # NOTE: The below -replace regex string removes garbage escape sequences like: [116;1H $SSHCmdString = $script:SSHCmdString = '@($(' + $($SSHCmdStringArray -join " ") + ') -replace "\e\[(\d+;)*(\d+)?[ABCDHJKfmsu]","") 2>$null' #Write-Host "`$SSHCmdString is:`n $SSHCmdString" #region >> Await Attempt Number 1 of 2 $PSAwaitProcess = $null $null = Start-AwaitSession Start-Sleep -Seconds 1 $null = Send-AwaitCommand '$host.ui.RawUI.WindowTitle = "PSAwaitSession"' $PSAwaitProcess = $($(Get-Process | Where-Object {$_.Name -eq "powershell"}) | Sort-Object -Property StartTime -Descending)[0] Start-Sleep -Seconds 1 $null = Send-AwaitCommand "`$env:Path = '$env:Path'" Start-Sleep -Seconds 1 $null = Send-AwaitCommand -Command $([scriptblock]::Create($SSHCmdString)) Start-Sleep -Seconds 5 # This will either not prompt at all, prompt to accept the RemoteHost's RSA Host Key, or prompt for a password $SuccessOrAcceptHostKeyOrPwdPrompt = Receive-AwaitResponse [System.Collections.ArrayList]$CheckForExpectedResponses = @() $null = $CheckForExpectedResponses.Add($SuccessOrAcceptHostKeyOrPwdPrompt) $Counter = 0 while (![bool]$($($CheckForExpectedResponses -split "`n") -match [regex]::Escape("Are you sure you want to continue connecting (yes/no)?")) -and ![bool]$($($CheckForExpectedResponses -split "`n") -match "assword.*:") -and ![bool]$($($CheckForExpectedResponses -split "`n") -match "^111HostnamectlOutput111") -and $Counter -le 30 ) { $SuccessOrAcceptHostKeyOrPwdPrompt = Receive-AwaitResponse $null = $CheckForExpectedResponses.Add($SuccessOrAcceptHostKeyOrPwdPrompt) if ($CheckResponsesOutput -match "must be greater than zero" -or @($CheckResponsesOutput)[-1] -notmatch "[a-zA-Z]") { break } Start-Sleep -Seconds 1 $Counter++ } if ($Counter -eq 31) { Write-Verbose "SSH via '$($SSHCmdStringArray -join " ")' timed out!" if ($PSAwaitProcess.Id) { try { $null = Stop-AwaitSession } catch { if ($PSAwaitProcess.Id -eq $PID) { Write-Error "The PSAwaitSession never spawned! Halting!" $global:FunctionResult = "1" return } else { if ([bool]$(Get-Process -Id $PSAwaitProcess.Id -ErrorAction SilentlyContinue)) { Stop-Process -Id $PSAwaitProcess.Id -ErrorAction SilentlyContinue } $Counter = 0 while ([bool]$(Get-Process -Id $PSAwaitProcess.Id -ErrorAction SilentlyContinue) -and $Counter -le 15) { Write-Verbose "Waiting for Await Module Process Id $($PSAwaitProcess.Id) to end..." Start-Sleep -Seconds 1 $Counter++ } } } $PSAwaitProcess = $null } } #endregion >> Await Attempt 1 of 2 $CheckResponsesOutput = $CheckForExpectedResponses | foreach {$_ -split "`n"} #region >> Await Attempt 2 of 2 # If $CheckResponsesOutput contains the string "must be greater than zero", then something broke with the Await Module. # Most of the time, just trying again resolves any issues if ($CheckResponsesOutput -match "must be greater than zero" -or @($CheckResponsesOutput)[-1] -notmatch "[a-zA-Z]" -or $CheckResponsesOutput -match "background process reported an error") { if ($PSAwaitProcess.Id) { try { $null = Stop-AwaitSession } catch { if ($PSAwaitProcess.Id -eq $PID) { Write-Error "The PSAwaitSession never spawned! Halting!" $global:FunctionResult = "1" return } else { if ([bool]$(Get-Process -Id $PSAwaitProcess.Id -ErrorAction SilentlyContinue)) { Stop-Process -Id $PSAwaitProcess.Id -ErrorAction SilentlyContinue } $Counter = 0 while ([bool]$(Get-Process -Id $PSAwaitProcess.Id -ErrorAction SilentlyContinue) -and $Counter -le 15) { Write-Verbose "Waiting for Await Module Process Id $($PSAwaitProcess.Id) to end..." Start-Sleep -Seconds 1 $Counter++ } } } } $PSAwaitProcess = $null $null = Start-AwaitSession Start-Sleep -Seconds 1 $null = Send-AwaitCommand '$host.ui.RawUI.WindowTitle = "PSAwaitSession"' $PSAwaitProcess = $($(Get-Process | Where-Object {$_.Name -eq "powershell"}) | Sort-Object -Property StartTime -Descending)[0] Start-Sleep -Seconds 1 $null = Send-AwaitCommand "`$env:Path = '$env:Path'" Start-Sleep -Seconds 1 $null = Send-AwaitCommand -Command $([scriptblock]::Create($SSHCmdString)) Start-Sleep -Seconds 5 # This will either not prompt at all, prompt to accept the RemoteHost's RSA Host Key, or prompt for a password $SuccessOrAcceptHostKeyOrPwdPrompt = Receive-AwaitResponse [System.Collections.ArrayList]$CheckForExpectedResponses = @() $null = $CheckForExpectedResponses.Add($SuccessOrAcceptHostKeyOrPwdPrompt) $Counter = 0 while (![bool]$($SuccessOrAcceptHostKeyOrPwdPrompt -match [regex]::Escape("Are you sure you want to continue connecting (yes/no)?")) -and ![bool]$($SuccessOrAcceptHostKeyOrPwdPrompt -match "assword.*:") -and ![bool]$($SuccessOrAcceptHostKeyOrPwdPrompt -match "^111HostnamectlOutput111") -and $Counter -le 30 ) { $SuccessOrAcceptHostKeyOrPwdPrompt = Receive-AwaitResponse $null = $CheckForExpectedResponses.Add($SuccessOrAcceptHostKeyOrPwdPrompt) Start-Sleep -Seconds 1 $Counter++ } if ($Counter -eq 31) { Write-Error "SSH via '$($SSHCmdStringArray -join " ")' timed out!" $global:FunctionResult = "1" $CheckForExpectedResponses if ($PSAwaitProcess.Id) { try { $null = Stop-AwaitSession } catch { if ($PSAwaitProcess.Id -eq $PID) { Write-Error "The PSAwaitSession never spawned! Halting!" $global:FunctionResult = "1" return } else { if ([bool]$(Get-Process -Id $PSAwaitProcess.Id -ErrorAction SilentlyContinue)) { Stop-Process -Id $PSAwaitProcess.Id -ErrorAction SilentlyContinue } $Counter = 0 while ([bool]$(Get-Process -Id $PSAwaitProcess.Id -ErrorAction SilentlyContinue) -and $Counter -le 15) { Write-Verbose "Waiting for Await Module Process Id $($PSAwaitProcess.Id) to end..." Start-Sleep -Seconds 1 $Counter++ } } } } return } } #endregion >> Await Attempt 2 of 2 $CheckResponsesOutput = $CheckForExpectedResponses | foreach {$_ -split "`n"} # At this point, if we don't have the expected output, we need to fail if ($CheckResponsesOutput -match "must be greater than zero" -or @($CheckResponsesOutput)[-1] -notmatch "[a-zA-Z]" -or $CheckResponsesOutput -match "background process reported an error") { if ($CheckResponsesOutput -match "must be greater than zero" -or @($CheckResponsesOutput)[-1] -notmatch "[a-zA-Z]") { Write-Error "Something went wrong with the PowerShell Await Module! Halting!" } if ($CheckResponsesOutput -match "background process reported an error") { Write-Error "Please check your credentials! Halting!" } $global:FunctionResult = "1" #Write-Host "Await ScriptBlock (`$SSHCmdString) was:`n $SSHCmdString" if ($PSAwaitProcess.Id) { try { $null = Stop-AwaitSession } catch { if ($PSAwaitProcess.Id -eq $PID) { Write-Error "The PSAwaitSession never spawned! Halting!" $global:FunctionResult = "1" return } else { if ([bool]$(Get-Process -Id $PSAwaitProcess.Id -ErrorAction SilentlyContinue)) { Stop-Process -Id $PSAwaitProcess.Id -ErrorAction SilentlyContinue } $Counter = 0 while ([bool]$(Get-Process -Id $PSAwaitProcess.Id -ErrorAction SilentlyContinue) -and $Counter -le 15) { Write-Verbose "Waiting for Await Module Process Id $($PSAwaitProcess.Id) to end..." Start-Sleep -Seconds 1 $Counter++ } } } } return } # Now we should either have a prompt to accept the host key, a prompt for a password, or it already worked... if ($CheckResponsesOutput -match [regex]::Escape("Are you sure you want to continue connecting (yes/no)?")) { $null = Send-AwaitCommand "yes" Start-Sleep -Seconds 3 # This will either not prompt at all or prompt for a password $SuccessOrAcceptHostKeyOrPwdPrompt = Receive-AwaitResponse [System.Collections.ArrayList]$CheckExpectedSendYesOutput = @() $null = $CheckExpectedSendYesOutput.Add($SuccessOrAcceptHostKeyOrPwdPrompt) $Counter = 0 while (![bool]$($($CheckExpectedSendYesOutput -split "`n") -match "assword.*:") -and ![bool]$($($CheckExpectedSendYesOutput -split "`n") -match "^111HostnamectlOutput111") -and $Counter -le 30 ) { $SuccessOrAcceptHostKeyOrPwdPrompt = Receive-AwaitResponse $null = $CheckExpectedSendYesOutput.Add($SuccessOrAcceptHostKeyOrPwdPrompt) Start-Sleep -Seconds 1 $Counter++ } if ($Counter -eq 31) { Write-Error "Sending 'yes' to accept the ssh host key timed out!" $global:FunctionResult = "1" if ($PSAwaitProcess.Id) { try { $null = Stop-AwaitSession } catch { if ($PSAwaitProcess.Id -eq $PID) { Write-Error "The PSAwaitSession never spawned! Halting!" $global:FunctionResult = "1" return } else { if ([bool]$(Get-Process -Id $PSAwaitProcess.Id -ErrorAction SilentlyContinue)) { Stop-Process -Id $PSAwaitProcess.Id -ErrorAction SilentlyContinue } $Counter = 0 while ([bool]$(Get-Process -Id $PSAwaitProcess.Id -ErrorAction SilentlyContinue) -and $Counter -le 15) { Write-Verbose "Waiting for Await Module Process Id $($PSAwaitProcess.Id) to end..." Start-Sleep -Seconds 1 $Counter++ } } } } return } $CheckSendYesOutput = $CheckExpectedSendYesOutput | foreach {$_ -split "`n"} if ($CheckSendYesOutput -match "assword.*:") { if ($LocalPassword) { $null = Send-AwaitCommand $LocalPassword } if ($DomainPassword) { $null = Send-AwaitCommand $DomainPassword } Start-Sleep -Seconds 3 $SuccessOrAcceptHostKeyOrPwdPrompt = Receive-AwaitResponse [System.Collections.ArrayList]$SSHOutputPrep = @() $null = $SSHOutputPrep.Add($SuccessOrAcceptHostKeyOrPwdPrompt) $Counter = 0 while (![bool]$($($SSHOutputPrep -split "`n") -match "^ConnectionSuccessful") -and $Counter -le 30) { $SuccessOrAcceptHostKeyOrPwdPrompt = Receive-AwaitResponse if (![System.String]::IsNullOrWhiteSpace($SuccessOrAcceptHostKeyOrPwdPrompt)) { $null = $SSHOutputPrep.Add($SuccessOrAcceptHostKeyOrPwdPrompt) } Start-Sleep -Seconds 1 $Counter++ } if ($Counter -eq 31) { Write-Error "Sending the user's password timed out!" $global:FunctionResult = "1" $SSHOutputPrep if ($PSAwaitProcess.Id) { try { $null = Stop-AwaitSession } catch { if ($PSAwaitProcess.Id -eq $PID) { Write-Error "The PSAwaitSession never spawned! Halting!" $global:FunctionResult = "1" return } else { if ([bool]$(Get-Process -Id $PSAwaitProcess.Id -ErrorAction SilentlyContinue)) { Stop-Process -Id $PSAwaitProcess.Id -ErrorAction SilentlyContinue } $Counter = 0 while ([bool]$(Get-Process -Id $PSAwaitProcess.Id -ErrorAction SilentlyContinue) -and $Counter -le 15) { Write-Verbose "Waiting for Await Module Process Id $($PSAwaitProcess.Id) to end..." Start-Sleep -Seconds 1 $Counter++ } } } } return } } } elseif ($CheckResponsesOutput -match "assword.*:") { if ($LocalPassword) { $null = Send-AwaitCommand $LocalPassword } if ($DomainPassword) { $null = Send-AwaitCommand $DomainPassword } Start-Sleep -Seconds 3 $SuccessOrAcceptHostKeyOrPwdPrompt = Receive-AwaitResponse [System.Collections.ArrayList]$SSHOutputPrep = @() $null = $SSHOutputPrep.Add($SuccessOrAcceptHostKeyOrPwdPrompt) $Counter = 0 while (![bool]$($($SSHOutputPrep -split "`n") -match "^ConnectionSuccessful") -and $Counter -le 30) { $SuccessOrAcceptHostKeyOrPwdPrompt = Receive-AwaitResponse if (![System.String]::IsNullOrWhiteSpace($SuccessOrAcceptHostKeyOrPwdPrompt)) { $null = $SSHOutputPrep.Add($SuccessOrAcceptHostKeyOrPwdPrompt) } Start-Sleep -Seconds 1 $Counter++ } if ($Counter -eq 31) { Write-Error "Sending the user's password timed out!" $global:FunctionResult = "1" $SSHOutputPrep if ($PSAwaitProcess.Id) { try { $null = Stop-AwaitSession } catch { if ($PSAwaitProcess.Id -eq $PID) { Write-Error "The PSAwaitSession never spawned! Halting!" $global:FunctionResult = "1" return } else { if ([bool]$(Get-Process -Id $PSAwaitProcess.Id -ErrorAction SilentlyContinue)) { Stop-Process -Id $PSAwaitProcess.Id -ErrorAction SilentlyContinue } $Counter = 0 while ([bool]$(Get-Process -Id $PSAwaitProcess.Id -ErrorAction SilentlyContinue) -and $Counter -le 15) { Write-Verbose "Waiting for Await Module Process Id $($PSAwaitProcess.Id) to end..." Start-Sleep -Seconds 1 $Counter++ } } } } return } } else { $SSHOutputPrep = $($CheckResponsesOutput | Out-String) -split "`n" #$SSHOutputPrep | Export-CliXml "$HOME\SSHOutputPrepA.xml" } if ($PSAwaitProcess.Id) { try { $null = Stop-AwaitSession } catch { if ($PSAwaitProcess.Id -eq $PID) { Write-Error "The PSAwaitSession never spawned! Halting!" $global:FunctionResult = "1" return } else { if ([bool]$(Get-Process -Id $PSAwaitProcess.Id -ErrorAction SilentlyContinue)) { Stop-Process -Id $PSAwaitProcess.Id -ErrorAction SilentlyContinue } $Counter = 0 while ([bool]$(Get-Process -Id $PSAwaitProcess.Id -ErrorAction SilentlyContinue) -and $Counter -le 15) { Write-Verbose "Waiting for Await Module Process Id $($PSAwaitProcess.Id) to end..." Start-Sleep -Seconds 1 $Counter++ } } } } # TODO: Remove this after testing finished #$SSHOutputPrep $LinuxRegex = "ubuntu|debain|centos|rhel|redhat|opensuse|fedora|raspbian|kali|linux|unix" if ([bool]$($($SSHOutputPrep -split "`n") -match "^ConnectionSuccessful")) { if ($SSHOutputPrep -match "ConnectionSuccessful; echo 111RootDirInfo111;") { $OSDetermination = "Windows" $ShellDetermination = "cmd" $OSVersionInfo = $null } elseif ($SSHOutputPrep -match "111RootDirInfo111" -and $SSHOutputPrep -match "Directory:.*[a-zA-Z]:\\") { $OSDetermination = "Windows" if ($SSHOutputPrep -match "111ProcessInfo111" -and $SSHOutputPrep -match "Name[\s]+:[\s]+powershell") { $ShellDetermination = "powershell" # The below $OSVersionInfo will be a string that looks something like: # Microsoft Windows Server 2016 Standard Evaluation $OSVersionInfo = $($($($SSHOutputPrep -split "`n") -match "Cim OS Info:") -replace "Cim OS Info: ","").Trim() } elseif ($SSHOutputPrep -match "111ProcessInfo111" -and $SSHOutputPrep -match "Name[\s]+:[\s]+pwsh") { $ShellDetermination = "pwsh" # The below $OSVersionInfo will be a string that looks something like: # Microsoft Windows Server 2016 Standard Evaluation $OSVersionInfo = $($($($SSHOutputPrep -split "`n") -match "Cim OS Info:") -replace "Cim OS Info: ","").Trim() } } elseif ($SSHOutputPrep -match "Darwin") { $OSDetermination = "MacOS" if ($SSHOutputPrep -match "111ProcessInfo111" -and $SSHOutputPrep -match "Name[\s]+:[\s]+pwsh") { $ShellDetermination = "pwsh" } else { $ShellDetermination = "bash" } $UnameOutputHeader = $($SSHOutputPrep -split "`n") -match "111UnameOutput111" if ($UnameOutputHeader.Count -gt 1) {$UnameOutputHeader = $UnameOutputHeader[-1]} $UnameOutputHeaderIndex = $($SSHOutputPrep -split "`n").IndexOf($UnameOutputHeader) if ($UnameOutputHeaderIndex -eq "-1") { $UnameOutputHeaderIndex = $($SSHOutputPrep -split "`n").IndexOf($UnameOutputHeader[0]) } $UnameOutput = $($SSHOutputPrep -split "`n")[$($UnameOutputHeaderIndex + 1)] $HostNamectlOutputHeader = $($SSHOutputPrep -split "`n") -match "111HostnamectlOutput111" if ($HostNamectlOutputHeader.Count -gt 1) {$HostNamectlOutputHeader = $HostNamectlOutputHeader[-1]} $HostNamectlOutputHeaderIndex = $($SSHOutputPrep -split "`n").IndexOf($HostNamectlOutputHeader) if ($HostNamectlOutputHeaderIndex -eq "-1") { $HostNamectlOutputHeaderIndex = $($SSHOutputPrep -split "`n").IndexOf($HostNamectlOutputHeader[0]) } $HostNamectlOutput = $($SSHOutputPrep -split "`n")[$($HostNamectlOutputHeaderIndex+1)..$($($SSHOutputPrep -split "`n").Count-1)] [System.Collections.ArrayList]$OSVersionInfo = @() if ($UnameOutput) { $null = $OSVersionInfo.Add($UnameOutput) } if ($HostnamectlOutput) { $null = $OSVersionInfo.Add($HostnamectlOutput) } } elseif ($SSHOutputPrep -match $LinuxRegex -and !$($SSHOutputPrep -match "111RootDirInfo111" -and $SSHOutputPrep -match "Directory:.*[a-zA-Z]:\\") ) { $OSDetermination = "Linux" if ($SSHOutputPrep -match "111ProcessInfo111" -and $SSHOutputPrep -match "Name[\s]+:[\s]+pwsh") { $ShellDetermination = "pwsh" } else { $ShellDetermination = "bash" } #$SSHOutputPrep | Export-Clixml "$HOME\SSHOutputPrep.xml" $UnameOutputHeader = $($SSHOutputPrep -split "`n") -match "111UnameOutput111" if ($UnameOutputHeader.Count -gt 1) {$UnameOutputHeader = $UnameOutputHeader[-1]} $UnameOutputHeaderIndex = $($SSHOutputPrep -split "`n").IndexOf($UnameOutputHeader) if ($UnameOutputHeaderIndex -eq "-1") { $UnameOutputHeaderIndex = $($SSHOutputPrep -split "`n").IndexOf($UnameOutputHeader[0]) } $UnameOutput = $($SSHOutputPrep -split "`n")[$($UnameOutputHeaderIndex + 1)] $HostNamectlOutputHeader = $($SSHOutputPrep -split "`n") -match "111HostnamectlOutput111" if ($HostNamectlOutputHeader.Count -gt 1) {$HostNamectlOutputHeader = $HostNamectlOutputHeader[-1]} $HostNamectlOutputHeaderIndex = $($SSHOutputPrep -split "`n").IndexOf($HostNamectlOutputHeader) if ($HostNamectlOutputHeaderIndex -eq "-1") { $HostNamectlOutputHeaderIndex = $($SSHOutputPrep -split "`n").IndexOf($HostNamectlOutputHeader[0]) } $HostNamectlOutput = $($SSHOutputPrep -split "`n")[$($HostNamectlOutputHeaderIndex+1)..$($($SSHOutputPrep -split "`n").Count-1)] [System.Collections.ArrayList]$OSVersionInfo = @() if ($UnameOutput) { $null = $OSVersionInfo.Add($UnameOutput) } if ($HostnamectlOutput) { $null = $OSVersionInfo.Add($HostnamectlOutput) } } $FinalOutput = [pscustomobject]@{ OS = $OSDetermination Shell = $ShellDetermination OSVersionInfo = $OSVersionInfo AllOutput = $SSHOutputPrep } } } } elseif ($PSVersionTable.Platform -eq "Unix") { if ($RemoteOSGuess -eq "Windows") { if ($LocalUserName) { $FullUserName = $LocalUserName } if ($DomainUserName) { $FullUserName = $DomainUserName } if ($RemoteHostNetworkInfo.FQDN -match "unknown") { $HostNameValue = @( $RemoteHostNetworkInfo.IPAddressList | Where-Object {$_ -notmatch "^169"} )[0] } else { $HostNameValue = $RemoteHostNetworkInfo.FQDN } # This is basically what we're going for with the below string manipulation: # & pwsh -c {Invoke-Command -HostName zerowin16sshb -KeyFilePath "$HOME\.ssh\zeroadmin_090618-cert.pub" -ScriptBlock {[pscustomobject]@{Output = "ConnectionSuccessful"}} | ConvertTo-Json} $PwshRemoteScriptBlockStringArray = @( '[pscustomobject]@{' ' Output = \"ConnectionSuccessful\"' ' Platform = (Get-Variable PSVersionTable -ValueOnly).Platform' ' DistroInfo = (Get-Variable PSVersionTable -ValueOnly).OS' ' Hostnamectl = hostnamectl' '}' ) | foreach {" $_"} $PwshRemoteScriptBlockString = $PwshRemoteScriptBlockStringArray -join "`n" [System.Collections.ArrayList]$PwshInvCmdStringArray = @( 'Invoke-Command' '-HostName' $HostNameValue '-UserName' $FullUserName ) if ($KeyFilePath) { $null = $PwshInvCmdStringArray.Add('-KeyFilePath') $null = $PwshInvCmdStringArray.Add("'$KeyFilePath'") } $null = $PwshInvCmdStringArray.Add('-HideComputerName') $null = $PwshInvCmdStringArray.Add("-ScriptBlock {`n$PwshRemoteScriptBlockString`n}") $null = $PwshInvCmdStringArray.Add('|') $null = $PwshInvCmdStringArray.Add('ConvertTo-Json') $PwshInvCmdString = $PwshInvCmdStringArray -join " " $PwshCmdStringArray = @( $(Get-Command pwsh).Source "-c {$PwshInvCmdString}" ) $PwshCmdString = $script:PwshCmdString = $PwshCmdStringArray -join " " $FinalPassword = if ($DomainPassword) {$DomainPassword} else {$LocalPassword} # NOTE: 'timeout' is in seconds $ExpectScriptPrep = @( 'expect - << EOF' 'set timeout 10' "set password $FinalPassword" 'set prompt \"(>|:|#|\\\\\\$)\\\\s+\\$\"' "spawn $PwshCmdString" 'match_max 100000' 'expect {' ' \"*(yes/no)?*\" {' ' send -- \"yes\r\"' ' exp_continue' ' }' ' -re \".*assword.*:\" {' ' send -- \"\$password\r\"' ' exp_continue' ' }' ' -re \"\$prompt\" {' ' send -- \"echo LoggedIn\r\"' ' expect \"*\"' ' }' '}' 'EOF' ) $ExpectScript = $ExpectScriptPrep -join "`n" # The below $ExpectOutput is an array of strings $ExpectOutput = bash -c "$ExpectScript" #$ExpectOutput | Export-CliXml -Path "$HOME/ExpectOutput1.xml" $SSHOutputPrep = $ExpectOutput -replace "\e\[(\d+;)*(\d+)?[ABCDHJKfmsu]","" # Sample Contents of $ExpectOutput <# spawn pwsh -c Invoke-Command -HostName centos7nodomain -UserName vagrant -ScriptBlock {[pscustomobject]@{Output = "ConnectionSuccessful"}} | ConvertTo-Json vagrant@centos7nodomain's password: { "Output": "ConnectionSuccessful", "Platform": "Unix", "DistroInfo": "Linux 3.10.0-862.2.3.el7.x86_64 #1 SMP Wed May 9 18:05:47 UTC 2018", "PSComputerName": "centos7nodomain", "RunspaceId": "ce31711a-87eb-47b8-809d-6598990d54c4", "PSShowComputerName": true } #> $JsonStartIndex = $SSHOutputPrep.IndexOf($($SSHOutputPrep -match '"Output"')) $JsonEndIndex = $SSHOutputPrep.IndexOf($($SSHOutputPrep -match '^}$')) [System.Collections.ArrayList]$FinalJson = $SSHOutputPrep[$JsonStartIndex..$JsonEndIndex] $FinalJson.Insert(0,"{") try { $SSHCheckAsJson = $FinalJson | ConvertFrom-Json } catch { $TrySSHExe = $True } if ($SSHCheckAsJson.Output -ne "ConnectionSuccessful") { $TrySSHExe = $True } if ($SSHCheckAsJson.Output -eq "ConnectionSuccessful") { if ($SSHCheckAsJson.Platform -eq "Win32NT") { $OSDetermination = "Windows" $ShellDetermination = "pwsh" } elseif ($SSHCheckAsJson.DistroInfo -match "Darwin") { $OSDetermination = "MacOS" $ShellDetermination = "pwsh" } else { $OSDetermination = "Linux" $ShellDetermination = "pwsh" } [System.Collections.ArrayList]$OSVersionInfo = @() if ($SSHCheckAsJson.DistroInfo) { $null = $OSVersionInfo.Add($SSHCheckAsJson.DistroInfo) } if ($SSHCheckAsJson.Hostnamectl) { $null = $OSVersionInfo.Add($SSHCheckAsJson.Hostnamectl) } $FinalOutput = [pscustomobject]@{ OS = $OSDetermination Shell = $ShellDetermination OSVersionInfo = $OSVersionInfo AllOutput = $SSHCheckAsJson } } } if ($RemoteOSGuess -eq "Linux" -or $TrySSHExe) { if ($LocalUserName) { $FullUserName = $($LocalUserName -split "\\")[-1] } if ($DomainUserName) { $DomainNameShort = $($DomainUserName -split "\\")[0] $FullUserName = $($DomainUserName -split "\\")[-1] } $HostNameValue = $RHostIP = @( $RemoteHostNetworkInfo.IPAddressList | Where-Object {$_ -notmatch "^169"} )[0] # This is what we're going for: # ssh -t pdadmin@192.168.2.10 "echo 'ConnectionSuccessful'" [System.Collections.ArrayList]$SSHCmdStringArray = @( 'ssh' ) if ($KeyFilePath) { $null = $SSHCmdStringArray.Add("-i") $null = $SSHCmdStringArray.Add("'" + $KeyFilePath + "'") } if ($LocalUserName) { $null = $SSHCmdStringArray.Add("$FullUserName@$HostNameValue") } if ($DomainUserName) { $null = $SSHCmdStringArray.Add("$FullUserName@$DomainNameShort@$HostNameValue") } $Bytes = [System.Text.Encoding]::Unicode.GetBytes('$PSVersionTable | ConvertTo-Json') $EncodedCommandPSVerTable = [Convert]::ToBase64String($Bytes) $Bytes = [System.Text.Encoding]::Unicode.GetBytes('"Cim OS Info: " + $(Get-CimInstance Win32_OperatingSystem).Caption') $EncodedCommandWinOSCim = [Convert]::ToBase64String($Bytes) $SSHScript = @( "echo ConnectionSuccessful" "echo 111RootDirInfo111" "cd /" "dir" "echo 111ProcessInfo111" 'Get-Process -Id \\\$PID' "echo 111PwshJson111" "pwsh -NoProfile -EncodedCommand $EncodedCommandPSVerTable" "echo 111PowerShellCimInfo111" "powershell -NoProfile -EncodedCommand $EncodedCommandWinOSCim" "echo 111UnameOutput111" "uname -a" "echo 111HostnamectlOutput111" "hostnamectl" ) #$SSHScript = $SSHScript -join "; " #$null = $SSHCmdStringArray.Add($($SSHScript)) #$null = $SSHCmdStringArray.Add($('"' + $SSHScript + '"')) # NOTE: The below -replace regex string removes garbage escape sequences like: [116;1H #$SSHCmdString = $script:SSHCmdString = '@($(' + $($SSHCmdStringArray -join " ") + ') -replace "\e\[(\d+;)*(\d+)?[ABCDHJKfmsu]","") 2>$null' $SSHCmdString = $script:SSHCmdString = $SSHCmdStringArray -join " " #Write-Host "`$SSHCmdString is:`n$SSHCmdString" $FinalPassword = if ($DomainPassword) {$DomainPassword} else {$LocalPassword} $SSHScript = $SSHScript | foreach { 'send -- \"' + $_ + '\r\"' + "`n" + 'expect \"*\"' } #Write-Host "`$SSHScript is:`n $SSHScript" $ExpectScriptPrep = @( 'expect - << EOF' 'set timeout 10' "set password $FinalPassword" 'set prompt \"(>|:|#|\\\\\\$)\\\\s+\\$\"' "spawn $SSHCmdString" 'match_max 100000' 'expect {' ' \"*(yes/no)?*\" {' ' send -- \"yes\r\"' ' exp_continue' ' }' ' -re \".*assword.*:\" {' ' send -- \"\$password\r\"' ' exp_continue' ' }' ' -re \"\$prompt\" {' ' send -- \"echo LoggedIn\r\"' ' expect \"*\"' ' }' '}' $SSHScript 'send -- \"exit\r\"' 'expect eof' 'EOF' ) $ExpectScript = $ExpectScriptPrep -join "`n" #Write-Host "`$ExpectScript is:`n$ExpectScript" # The below $ExpectOutput is an array of strings $ExpectOutput = bash -c "$ExpectScript" #$ExpectOutput | Export-CliXml -Path "$HOME/ExpectOutput2.xml" # NOTE: The below -replace regex string removes garbage escape sequences like: [116;1H $SSHOutputPrep = $ExpectOutput -replace "\e\[(\d+;)*(\d+)?[ABCDHJKfmsu]","" $LinuxRegex = "ubuntu|debain|centos|rhel|redhat|opensuse|fedora|raspbian|kali|linux|unix" if ([bool]$($($SSHOutputPrep -split "`n") -match "^ConnectionSuccessful")) { if ([bool]$($($SSHOutputPrep -split "`n") -match "'Get-Process' is not recognized as an internal or external command")) { $OSDetermination = "Windows" $ShellDetermination = "cmd" $OSVersionInfo = $null } elseif ($SSHOutputPrep -match "111RootDirInfo111" -and $SSHOutputPrep -match "Directory:.*[a-zA-Z]:\\") { $OSDetermination = "Windows" if ($($SSHOutputPrep -join "") -match "111ProcessInfo.*Process.*powershell.*111PwshJson111") { $ShellDetermination = "powershell" # The below $OSVersionInfo will be a string that looks something like: # Microsoft Windows Server 2016 Standard Evaluation $OSVersionInfo = $($($($SSHOutputPrep -split "`n") -match "Cim OS Info:") -replace "Cim OS Info: ","").Trim() } elseif ($($SSHOutputPrep -join "") -match "111ProcessInfo.*Process.*pwsh.*111PwshJson111") { $ShellDetermination = "pwsh" # The below $OSVersionInfo will be a string that looks something like: # Microsoft Windows Server 2016 Standard Evaluation $OSVersionInfo = $($($($SSHOutputPrep -split "`n") -match "Cim OS Info:") -replace "Cim OS Info: ","").Trim() } } elseif ($SSHOutputPrep -match "Darwin") { $OSDetermination = "MacOS" if ($SSHOutputPrep -match "111ProcessInfo111" -and $SSHOutputPrep -match "Name[\s]+:[\s]+pwsh") { $ShellDetermination = "pwsh" } else { $ShellDetermination = "bash" } $UnameOutputHeaderIndex = $($SSHOutputPrep -split "`n").IndexOf($($($SSHOutputPrep -split "`n") -match "uname -a")) $UnameOutput = $($SSHOutputPrep -split "`n")[$($UnameOutputHeaderIndex + 1)] $HostnamectlOutput = $($SSHOutputPrep -split "`n")[$($UnameOutputHeaderIndex + 2)..$($($SSHOutputPrep -split "`n").Count-1)] [System.Collections.ArrayList]$OSVersionInfo = @() if ($UnameOutput) { $null = $OSVersionInfo.Add($UnameOutput) } if ($HostnamectlOutput) { $null = $OSVersionInfo.Add($HostnamectlOutput) } } elseif ($($($SSHOutputPrep -join "") -match "111RootDirInfo111.*etc.*111ProcessInfo111" -or $($SSHOutputPrep -join "") -match $LinuxRegex) -and !$($($SSHOutputPrep -join "") -match "111RootDirInfo111.*Windows.*111ProcessInfo111") ) { $OSDetermination = "Linux" if ($($SSHOutputPrep -join "") -match "111ProcessInfo.*Process.*pwsh.*111PwshJson111" -and $($SSHOutputPrep -join "") -notmatch "-bash") { $ShellDetermination = "pwsh" } else { $ShellDetermination = "bash" } $UnameOutputHeaderIndex = $($SSHOutputPrep -split "`n").IndexOf($($($SSHOutputPrep -split "`n") -match "uname -a")) $UnameOutput = $($SSHOutputPrep -split "`n")[$($UnameOutputHeaderIndex + 1)] $HostnamectlOutput = $($SSHOutputPrep -split "`n")[$($UnameOutputHeaderIndex + 2)..$($($SSHOutputPrep -split "`n").Count-1)] [System.Collections.ArrayList]$OSVersionInfo = @() if ($UnameOutput) { $null = $OSVersionInfo.Add($UnameOutput) } if ($HostnamectlOutput) { $null = $OSVersionInfo.Add($HostnamectlOutput) } } $FinalOutput = [pscustomobject]@{ OS = $OSDetermination Shell = $ShellDetermination OSVersionInfo = $OSVersionInfo AllOutput = $SSHOutputPrep } } } } else { Write-Error "Unable to test SSH! Halting!" $global:FunctionResult = "1" if ($PSAwaitProcess.Id) { try { $null = Stop-AwaitSession } catch { if ($PSAwaitProcess.Id -eq $PID) { Write-Error "The PSAwaitSession never spawned! Halting!" $global:FunctionResult = "1" return } else { if ([bool]$(Get-Process -Id $PSAwaitProcess.Id -ErrorAction SilentlyContinue)) { Stop-Process -Id $PSAwaitProcess.Id -ErrorAction SilentlyContinue } $Counter = 0 while ([bool]$(Get-Process -Id $PSAwaitProcess.Id -ErrorAction SilentlyContinue) -and $Counter -le 15) { Write-Verbose "Waiting for Await Module Process Id $($PSAwaitProcess.Id) to end..." Start-Sleep -Seconds 1 $Counter++ } } } } return } if ($PSAwaitProcess.Id) { try { $null = Stop-AwaitSession } catch { if ($PSAwaitProcess.Id -eq $PID) { Write-Error "The PSAwaitSession never spawned! Halting!" $global:FunctionResult = "1" return } else { if ([bool]$(Get-Process -Id $PSAwaitProcess.Id -ErrorAction SilentlyContinue)) { Stop-Process -Id $PSAwaitProcess.Id -ErrorAction SilentlyContinue } while ([bool]$(Get-Process -Id $PSAwaitProcess.Id -ErrorAction SilentlyContinue)) { Write-Verbose "Waiting for Await Module Process Id $($PSAwaitProcess.Id) to end..." 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