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87 lines
2.9 KiB
Go
87 lines
2.9 KiB
Go
/*
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Copyright 2017 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package tls
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import (
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"crypto/tls"
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"fmt"
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"net/http"
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"strings"
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"testing"
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kubeapiservertesting "k8s.io/kubernetes/cmd/kube-apiserver/app/testing"
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"k8s.io/kubernetes/test/integration/framework"
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)
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func runBasicSecureAPIServer(t *testing.T, ciphers []string) (kubeapiservertesting.TearDownFunc, int) {
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flags := []string{"--tls-cipher-suites", strings.Join(ciphers, ",")}
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testServer := kubeapiservertesting.StartTestServerOrDie(t, nil, flags, framework.SharedEtcd())
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return testServer.TearDownFn, testServer.ServerOpts.SecureServing.BindPort
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}
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func TestAPICiphers(t *testing.T) {
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basicServerCiphers := []string{"TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256", "TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256", "TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384", "TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384", "TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305", "TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305", "TLS_RSA_WITH_AES_128_CBC_SHA", "TLS_RSA_WITH_AES_256_CBC_SHA", "TLS_RSA_WITH_AES_128_GCM_SHA256", "TLS_RSA_WITH_AES_256_GCM_SHA384", "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA", "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA", "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA", "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA"}
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tearDown, port := runBasicSecureAPIServer(t, basicServerCiphers)
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defer tearDown()
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tests := []struct {
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clientCiphers []uint16
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expectedError bool
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}{
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{
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// Not supported cipher
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clientCiphers: []uint16{tls.TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA},
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expectedError: true,
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},
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{
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// Supported cipher
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clientCiphers: []uint16{tls.TLS_RSA_WITH_AES_256_CBC_SHA},
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expectedError: false,
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},
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}
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for i, test := range tests {
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runTestAPICiphers(t, i, port, test.clientCiphers, test.expectedError)
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}
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}
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func runTestAPICiphers(t *testing.T, testID int, kubePort int, clientCiphers []uint16, expectedError bool) {
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tr := &http.Transport{
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TLSClientConfig: &tls.Config{
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InsecureSkipVerify: true,
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CipherSuites: clientCiphers,
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},
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}
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client := &http.Client{Transport: tr}
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req, err := http.NewRequest("GET", fmt.Sprintf("https://127.0.0.1:%d", kubePort), nil)
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if err != nil {
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t.Fatal(err)
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}
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resp, err := client.Do(req)
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if err == nil {
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defer resp.Body.Close()
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}
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if expectedError == true && err == nil {
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t.Fatalf("%d: expecting error for cipher test, client cipher is supported and it should't", testID)
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} else if err != nil && expectedError == false {
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t.Fatalf("%d: not expecting error by client with cipher failed: %+v", testID, err)
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}
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}
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