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PortForward.ps1
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PortForward.ps1
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##############################################################################################
# SSH Port Forwarding
<#
.Synopsis
Redirects traffic from a local port to a remote host and port via a SSH Session.
.DESCRIPTION
Redirects TCP traffic from a local port to a remote host and port via a SSH Session.
.EXAMPLE
Forward traffic from 0.0.0.0:8081 to 10.10.10.1:80 thru a SSH Session
PS C:\> New-SSHLocalPortForward -Index 0 -LocalAdress 0.0.0.0 -LocalPort 8081 -RemoteAddress 10.10.10.1 -RemotePort 80 -Verbose
VERBOSE: Finding session with Index 0
VERBOSE: 0
VERBOSE: Adding Forward Port Configuration to session 0
VERBOSE: Starting the Port Forward.
VERBOSE: Forwarding has been started.
PS C:\> Invoke-WebRequest -Uri http://localhost:8081
StatusCode : 200
StatusDescription : OK
Content :
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<script type="text/javascript" src="/javascript/scri...
RawContent : HTTP/1.1 200 OK
Expires: Tue, 16 Apr 2013 03:43:18 GMT,Thu, 19 Nov 1981 08:52:00 GMT
Cache-Control: max-age=180000,no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Set-Cookie: PHPSESS...
Forms : {iform}
Headers : {[Expires, Tue, 16 Apr 2013 03:43:18 GMT,Thu, 19 Nov 1981 08:52:00 GMT], [Cache-Control, max-age=180000,no-store, no-cache,
must-revalidate, post-check=0, pre-check=0], [Set-Cookie, PHPSESSID=d53d3dc62ffac241112bcfd16af36bb8; path=/], [Pragma, no-cache]...}
Images : {}
InputFields : {@{innerHTML=; innerText=; outerHTML=<INPUT onchange=clearError(); onclick=clearError(); tabIndex=1 id=usernamefld class="formfld user"
name=usernamefld>; outerText=; tagName=INPUT; onchange=clearError();; onclick=clearError();; tabIndex=1; id=usernamefld; class=formfld
user; name=usernamefld}, @{innerHTML=; innerText=; outerHTML=<INPUT onchange=clearError(); onclick=clearError(); tabIndex=2
id=passwordfld class="formfld pwd" type=password value="" name=passwordfld>; outerText=; tagName=INPUT; onchange=clearError();;
onclick=clearError();; tabIndex=2; id=passwordfld; class=formfld pwd; type=password; value=; name=passwordfld}, @{innerHTML=;
innerText=; outerHTML=<INPUT tabIndex=3 class=formbtn type=submit value=Login name=login>; outerText=; tagName=INPUT; tabIndex=3;
class=formbtn; type=submit; value=Login; name=login}}
Links : {}
ParsedHtml : mshtml.HTMLDocumentClass
RawContentLength : 5932
#>
function New-SSHLocalPortForward
{
[CmdletBinding(DefaultParameterSetName="Index")]
param(
[Parameter(Mandatory=$true,
Position=1)]
[String]
$BoundHost,
[Parameter(Mandatory=$true,
Position=2)]
[Int32]
$BoundPort,
[Parameter(Mandatory=$true,
Position=3)]
[String]
$RemoteAddress,
[Parameter(Mandatory=$true,
Position=4)]
[Int32]
$RemotePort,
[Parameter(Mandatory=$true,
ParameterSetName = "Session",
ValueFromPipeline=$true,
Position=0)]
[Alias("Session")]
[SSH.SSHSession]
$SSHSession,
[Parameter(Mandatory=$true,
ParameterSetName = "Index",
ValueFromPipeline=$true,
Position=0)]
[Alias('Index')]
[Int32]
$SessionId
)
Begin
{
$ToProcess = $null
switch($PSCmdlet.ParameterSetName)
{
'Session'
{
$ToProcess = $SSHSession
}
'Index'
{
$sess = Get-SSHSession -Index $SessionId
if ($sess)
{
$ToProcess = $sess
}
else
{
Write-Error -Message "Session specified with Index $($SessionId) was not found"
return
}
}
}
}
Process
{
$ports = $ToProcess.Session.ForwardedPorts
foreach($p in $ports)
{
if (($p.BoundPort -eq $BoundPort) -and ($p.BoundHost -eq $BoundHost))
{
Write-Error -Message "A forward port already exists for port $($BoundPort) with address $($LocalAdress)"
return
}
}
# Initialize the ForwardPort Object
$SSHFWP = New-Object Renci.SshNet.ForwardedPortLocal($BoundHost, $BoundPort, $RemoteAddress, $RemotePort)
# Add the forward port object to the session
Write-Verbose -message "Adding Forward Port Configuration to session $($ToProcess.Index)"
$ToProcess.session.AddForwardedPort($SSHFWP)
Write-Verbose -message "Starting the Port Forward."
$SSHFWP.start()
Write-Verbose -message "Forwarding has been started."
}
End{}
}
<#function New-SSHRemotePortForward
{
[CmdletBinding(DefaultParameterSetName="Index")]
param(
[Parameter(Mandatory=$true)]
[String]$LocalAdress = '127.0.0.1',
[Parameter(Mandatory=$true)]
[Int32]$LocalPort,
[Parameter(Mandatory=$true)]
[String]$RemoteAddress,
[Parameter(Mandatory=$true)]
[Int32]$RemotePort,
[Parameter(Mandatory=$true,
ParameterSetName = "Session",
ValueFromPipeline=$true)]
[Alias("Session")]
[SSH.SSHSession]$SSHSession,
[Parameter(Mandatory=$true,
ParameterSetName = "Index",
ValueFromPipeline=$true)]
[Int32]$Index = $null
)
Begin
{
# Initialize the ForwardPort Object
$SSHFWP = New-Object Renci.SshNet.ForwardedPortRemote($LocalAdress, $LocalPort, $RemoteAddress, $RemotePort)
}
Process
{
if ($PSCmdlet.ParameterSetName -eq 'Index')
{
Write-Verbose "Finding session with Index $Index"
foreach($session in $Global:SshSessions)
{
Write-Verbose $session.index
if ($session.index -eq $Index)
{
# Add the forward port object to the session
Write-Verbose "Adding Forward Port Configuration to session $Index"
$session.session.AddForwardedPort($SSHFWP)
Write-Verbose "Starting the Port Forward."
$SSHFWP.start()
Write-Verbose "Forwarding has been started."
}
}
}
elseif ($PSCmdlet.ParameterSetName -eq 'Session')
{
if ($SSHSession -in $Global:SshSessions)
{
# Add the forward port object to the session
Write-Verbose "Adding Forward Port Configuration to session $($SSHSession.index)"
$SSHSession.session.AddForwardedPort($SSHFWP)
Write-Verbose "Starting the Port Forward."
$SSHFWP.start()
Write-Verbose "Forwarding has been started."
}
else
{
Write-Error "The Session does not appear in the list of created sessions."
}
}
}
End{}
}
#>
<#
.Synopsis
Establishes a Dynamic Port Forward thru a stablished SSH Session.
.DESCRIPTION
Dynamic port forwarding is a transparent mechanism available for applications, which
support the SOCKS4 or SOCKS5 client protoco. In windows for best results the local address
to bind to should be the IP of the network interface.
.EXAMPLE
New-SSHDynamicPortForward -LocalAdress 192.168.28.131 -LocalPort 8081 -Index 0 -Verbose
VERBOSE: Finding session with Index 0
VERBOSE: 0
VERBOSE: Adding Forward Port Configuration to session 0
VERBOSE: Starting the Port Forward.
VERBOSE: Forwarding has been started.
#>
function New-SSHDynamicPortForward
{
[CmdletBinding(DefaultParameterSetName="Index")]
param(
[Parameter(Mandatory=$true,
Position=1)]
[String]
$BoundHost = 'localhost',
[Parameter(Mandatory=$true,
Position=2)]
[Int32]
$BoundPort,
[Parameter(Mandatory=$true,
ParameterSetName = "Session",
ValueFromPipeline=$true,
Position=0)]
[Alias("Session")]
[SSH.SSHSession]
$SSHSession,
[Parameter(Mandatory=$true,
ParameterSetName = "Index",
ValueFromPipeline=$true,
Position=0)]
[Alias('Index')]
[Int32]
$SessionId
)
Begin
{
$ToProcess = $null
switch($PSCmdlet.ParameterSetName)
{
'Session'
{
$ToProcess = $SSHSession
}
'Index'
{
$sess = Get-SSHSession -Index $SessionId
if ($sess)
{
$ToProcess = $sess
}
else
{
Write-Error -Message "Session specified with Index $($SessionId) was not found"
return
}
}
}
}
Process
{
$ports = $ToProcess.Session.ForwardedPorts
foreach($p in $ports)
{
if ($p.BoundHost -eq $BoundHost -and $p.BoundPort -eq $BoundPort)
{
throw "A forward port already exists for port $($BoundPort) with address $($BoundHost)"
}
}
# Initialize the ForwardPort Object
$SSHFWP = New-Object Renci.SshNet.ForwardedPortDynamic($BoundHost, $BoundPort)
# Add the forward port object to the session
Write-Verbose -message "Adding Forward Port Configuration to session $($ToProcess.Index)"
$ToProcess.session.AddForwardedPort($SSHFWP)
$ToProcess.session.KeepAliveInterval = New-TimeSpan -Seconds 30
$ToProcess.session.ConnectionInfo.Timeout = New-TimeSpan -Seconds 20
$ToProcess.session.SendKeepAlive()
[System.Threading.Thread]::Sleep(500)
Write-Verbose -message "Starting the Port Forward."
$SSHFWP.start()
Write-Verbose -message "Forwarding has been started."
}
End{}
}
<#
.Synopsis
Get a list of forwarded TCP Ports for a SSH Session
.DESCRIPTION
Get a list of forwarded TCP Ports for a SSH Session
.EXAMPLE
Get list of configured forwarded ports
PS C:\> Get-SSHPortForward -Index 0
BoundHost : 0.0.0.0
BoundPort : 8081
Host : 10.10.10.1
Port : 80
IsStarted : True
#>
function Get-SSHPortForward
{
[CmdletBinding(DefaultParameterSetName="Index")]
param(
[Parameter(Mandatory=$true,
ParameterSetName = "Session",
ValueFromPipeline=$true,
Position=0)]
[Alias("Session")]
[SSH.SSHSession]
$SSHSession,
[Parameter(Mandatory=$true,
ParameterSetName = "Index",
ValueFromPipeline=$true,
Position=0)]
[Alias('Index')]
[Int32]
$SessionId
)
Begin
{
$ToProcess = $null
switch($PSCmdlet.ParameterSetName)
{
'Session'
{
$ToProcess = $SSHSession
}
'Index'
{
$sess = Get-SSHSession -Index $SessionId
if ($sess)
{
$ToProcess = $sess
}
else
{
Write-Error -Message "Session specified with Index $($SessionId) was not found"
return
}
}
}
}
Process
{
$ToProcess.Session.ForwardedPorts
}
End{}
}
<#
.Synopsis
Stops a configured port forward configured for a SSH Session
.DESCRIPTION
Stops a configured port forward configured for a SSH Session given the session and port number
.EXAMPLE
Stop a currently working port forward thru a SSH Session
C:\Users\Carlos> Get-SSHPortForward -Index 0
BoundHost : 192.168.1.158
BoundPort : 8081
Host : 10.10.10.1
Port : 80
IsStarted : True
C:\Users\Carlos> Stop-SSHPortForward -Index 0 -BoundPort 8081
BoundHost : 192.168.1.158
BoundPort : 8081
Host : 10.10.10.1
Port : 80
IsStarted : False
#>
function Stop-SSHPortForward
{
[CmdletBinding(DefaultParameterSetName="Index")]
param(
[Parameter(Mandatory=$true,
ParameterSetName = "Session",
ValueFromPipeline=$true,
Position=0)]
[Alias("Session")]
[SSH.SSHSession]
$SSHSession,
[Parameter(Mandatory=$true,
ParameterSetName = "Index",
ValueFromPipeline=$true,
Position=0)]
[Alias('Index')]
[Int32]
$SessionId,
[Parameter(Mandatory=$true,
Position=2)]
[Int32]
$BoundPort,
[Parameter(Mandatory=$true,
Position=1)]
[string]
$BoundHost
)
Begin
{
$ToProcess = $null
switch($PSCmdlet.ParameterSetName)
{
'Session'
{
$ToProcess = $SSHSession
}
'Index'
{
$sess = Get-SSHSession -Index $SessionId
if ($sess)
{
$ToProcess = $sess
}
else
{
Write-Error -Message "Session specified with Index $($SessionId) was not found"
return
}
}
}
}
Process
{
$ports = $ToProcess.Session.ForwardedPorts
foreach($p in $ports)
{
if ($p.BoundPort -eq $BoundPort -and $p.BoundHost -eq $BoundHost)
{
$p.Stop()
$p
}
}
}
End{}
}#>
<#
.Synopsis
Start a configured port forward configured for a SSH Session
.DESCRIPTION
Stops a configured port forward configured for a SSH Session given the session and port number
.EXAMPLE
Stop a currently working port forward thru a SSH Session
C:\Users\Carlos> Get-SSHPortForward -Index 0
BoundHost : 192.168.1.158
BoundPort : 8081
Host : 10.10.10.1
Port : 80
IsStarted : False
C:\Users\Carlos> Start-SSHPortForward -Index 0 -BoundPort 8081
BoundHost : 192.168.1.158
BoundPort : 8081
Host : 10.10.10.1
Port : 80
IsStarted : True
#>
function Start-SSHPortForward
{
[CmdletBinding(DefaultParameterSetName="Index")]
param(
[Parameter(Mandatory=$true,
ParameterSetName = "Session",
ValueFromPipeline=$true,
Position=0)]
[Alias("Session")]
[SSH.SSHSession]
$SSHSession,
[Parameter(Mandatory=$true,
ParameterSetName = "Index",
ValueFromPipeline=$true,
Position=0)]
[Alias('Index')]
[Int32]
$SessionId,
[Parameter(Mandatory=$true,
Position=2)]
[Int32]
$BoundPort,
[Parameter(Mandatory=$true,
Position=1)]
[string]
$BoundHost
)
Begin
{
$ToProcess = $null
switch($PSCmdlet.ParameterSetName)
{
'Session'
{
$ToProcess = $SSHSession
}
'Index'
{
$sess = Get-SSHSession -Index $SessionId
if ($sess)
{
$ToProcess = $sess
}
else
{
Write-Error -Message "Session specified with Index $($SessionId) was not found"
return
}
}
}
}
Process
{
$ports = $ToProcess.Session.ForwardedPorts
foreach($p in $ports)
{
if ($p.BoundPort -eq $BoundPort -and $p.BoundHost -eq $BoundHost)
{
$p.Start()
$p
}
}
}
End{}
}