35
vendor/k8s.io/apiserver/pkg/server/dynamiccertificates/tlsconfig.go
generated
vendored
35
vendor/k8s.io/apiserver/pkg/server/dynamiccertificates/tlsconfig.go
generated
vendored
@@ -21,11 +21,11 @@ import (
|
||||
"crypto/x509"
|
||||
"errors"
|
||||
"fmt"
|
||||
"net"
|
||||
"sync/atomic"
|
||||
"time"
|
||||
|
||||
v1 "k8s.io/api/core/v1"
|
||||
|
||||
corev1 "k8s.io/api/core/v1"
|
||||
utilruntime "k8s.io/apimachinery/pkg/util/runtime"
|
||||
"k8s.io/apimachinery/pkg/util/wait"
|
||||
"k8s.io/client-go/tools/events"
|
||||
@@ -40,7 +40,7 @@ const workItemKey = "key"
|
||||
type DynamicServingCertificateController struct {
|
||||
// baseTLSConfig is the static portion of the tlsConfig for serving to clients. It is copied and the copy is mutated
|
||||
// based on the dynamic cert state.
|
||||
baseTLSConfig tls.Config
|
||||
baseTLSConfig *tls.Config
|
||||
|
||||
// clientCA provides the very latest content of the ca bundle
|
||||
clientCA CAContentProvider
|
||||
@@ -64,7 +64,7 @@ var _ Listener = &DynamicServingCertificateController{}
|
||||
|
||||
// NewDynamicServingCertificateController returns a controller that can be used to keep a TLSConfig up to date.
|
||||
func NewDynamicServingCertificateController(
|
||||
baseTLSConfig tls.Config,
|
||||
baseTLSConfig *tls.Config,
|
||||
clientCA CAContentProvider,
|
||||
servingCert CertKeyContentProvider,
|
||||
sniCerts []SNICertKeyContentProvider,
|
||||
@@ -94,7 +94,28 @@ func (c *DynamicServingCertificateController) GetConfigForClient(clientHello *tl
|
||||
return nil, errors.New("dynamiccertificates: unexpected config type")
|
||||
}
|
||||
|
||||
return tlsConfig.Clone(), nil
|
||||
tlsConfigCopy := tlsConfig.Clone()
|
||||
|
||||
// if the client set SNI information, just use our "normal" SNI flow
|
||||
if len(clientHello.ServerName) > 0 {
|
||||
return tlsConfigCopy, nil
|
||||
}
|
||||
|
||||
// if the client didn't set SNI, then we need to inspect the requested IP so that we can choose
|
||||
// a certificate from our list if we specifically handle that IP. This can happen when an IP is specifically mapped by name.
|
||||
host, _, err := net.SplitHostPort(clientHello.Conn.LocalAddr().String())
|
||||
if err != nil {
|
||||
return tlsConfigCopy, nil
|
||||
}
|
||||
|
||||
ipCert, ok := tlsConfigCopy.NameToCertificate[host]
|
||||
if !ok {
|
||||
return tlsConfigCopy, nil
|
||||
}
|
||||
tlsConfigCopy.Certificates = []tls.Certificate{*ipCert}
|
||||
tlsConfigCopy.NameToCertificate = nil
|
||||
|
||||
return tlsConfigCopy, nil
|
||||
}
|
||||
|
||||
// newTLSContent determines the next set of content for overriding the baseTLSConfig.
|
||||
@@ -156,7 +177,7 @@ func (c *DynamicServingCertificateController) syncCerts() error {
|
||||
for i, cert := range newClientCAs {
|
||||
klog.V(2).Infof("loaded client CA [%d/%q]: %s", i, c.clientCA.Name(), GetHumanCertDetail(cert))
|
||||
if c.eventRecorder != nil {
|
||||
c.eventRecorder.Eventf(nil, nil, v1.EventTypeWarning, "TLSConfigChanged", "CACertificateReload", "loaded client CA [%d/%q]: %s", i, c.clientCA.Name(), GetHumanCertDetail(cert))
|
||||
c.eventRecorder.Eventf(&corev1.ObjectReference{Name: c.clientCA.Name()}, nil, corev1.EventTypeWarning, "TLSConfigChanged", "CACertificateReload", "loaded client CA [%d/%q]: %s", i, c.clientCA.Name(), GetHumanCertDetail(cert))
|
||||
}
|
||||
|
||||
newClientCAPool.AddCert(cert)
|
||||
@@ -178,7 +199,7 @@ func (c *DynamicServingCertificateController) syncCerts() error {
|
||||
|
||||
klog.V(2).Infof("loaded serving cert [%q]: %s", c.servingCert.Name(), GetHumanCertDetail(x509Cert))
|
||||
if c.eventRecorder != nil {
|
||||
c.eventRecorder.Eventf(nil, nil, v1.EventTypeWarning, "TLSConfigChanged", "ServingCertificateReload", "loaded serving cert [%q]: %s", c.clientCA.Name(), GetHumanCertDetail(x509Cert))
|
||||
c.eventRecorder.Eventf(&corev1.ObjectReference{Name: c.servingCert.Name()}, nil, corev1.EventTypeWarning, "TLSConfigChanged", "ServingCertificateReload", "loaded serving cert [%q]: %s", c.servingCert.Name(), GetHumanCertDetail(x509Cert))
|
||||
}
|
||||
|
||||
newTLSConfigCopy.Certificates = []tls.Certificate{cert}
|
||||
|
||||
Reference in New Issue
Block a user