xcat-core/xCAT-server/share/xcat/netboot/windows/xCAT.psm1
2013-03-25 13:57:04 +00:00

58 lines
2.8 KiB
PowerShell

# IBM(c) 2013 EPL license http://www.eclipse.org/legal/epl-v10.html
# This function specifically validates that the peer we are talking to is signed by the xCAT blessed CA and no other CA
Function Approve-xCATCert ($sender, $cert, $chain, $polerrs) {
if ($polerrs -ne "None") { return $false } #if the overall policy suggests rejection, go with it
#now, system policy suggests that everything is ok, but we want to be more picky, because we
#are measuring something more specific than 'did any old CA sign this', we specifically want to assue the signer CA is xCAT's
#TODO: perhaps ignore the RemoteCertificateChainErrors condition and chase a chain of our own creation
#that chain could live outside the user or system wide root to avoid giving xCAT the power to sign certs for things it shouldn't
foreach ($cert in $chain.chainElements) {
if ($script:xcatcacert.thumbprint -eq $cert.Certificate.thumprint) {
return $true
}
}
return $false
}
#we import the xCAT certificate authority into the appropriate scope
#we have to use localmachine in order to avoid interactive prompt, meaning we need admin for this one, besides
#this means admin installs CA cert for everyone
#TODO: use cert:\currentuser\root when not administrator to facilitate xCAT-client case, take the prompt once
Function Import-xCATCA ( $certpath ) {
$script:xcatcacert=Import-Certificate -FilePath $certpath -CertStoreLocation Cert:\LocalMachine\root
}
#this removes the xCAT CA from trust store, if user wishes to explicitly distrust xCAT post deploy
Function Remove-xCATCA ( $certpath ) {
xCAT-Import-CA($certpath) #this seems insane, but it's easiest way to make sure we have the correct path
rm $script:xcatcacert.PSPath
}
#specify a client certificate to use in pfx format
#we put this one in the user's store instead of system wide
Function Set-xCATClientCertificate ( $pfxPath ) {
$script:xcatclientcert=Import-pfxCertificate $pfxPath -certStoreLocation cert:\currentuser\my
}
Function Remove-xCATClientCertificate( $pfxPath ) {
xCAT-Set-Client-Certificate($pfxpath)
rm cert:\currentuser\my\$script:xcatclientcert.thumbprint
}
#key here is that we might have two certificates:
#-one intended to identify the system that was deployed by xcat
#-one intended to identify the user to do things like 'rpower'
#TODO: argument to specify whether this is a human or machine. Default would be human and machine invocation would be in scripts
Function Select-xCATClientCert ($sender, $targetHost, $localCertificates, $remoteCertificate,$acceptableIssuers) {
$script:xcatclientcert
}
Function Connect-xCAT {
Param(
$mgtServer,
$mgtServerPort=3001,
$mgtServerAltName=$mgtServer
)
$script:xcatconnection = New-Object Net.Sockets.TcpClient($mgtServer,$mgtServerPort)
$script:verifycallback = Get-Content Function:\Appve-xCATCert
$script:xcatstream = $script:xcatconnection
}