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Added tls configuration flags for bmo.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,111 @@ | ||
| /* | ||
| Copyright 2023 The Metal3 Authors. | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
|
|
||
| package main | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "testing" | ||
|
|
||
| . "github.com/onsi/gomega" | ||
| "k8s.io/klog/v2" | ||
| ctrl "sigs.k8s.io/controller-runtime" | ||
| ) | ||
|
|
||
| func TestTLSInsecureCiperSuite(t *testing.T) { | ||
| t.Run("test insecure cipher suite passed as TLS flag", func(t *testing.T) { | ||
| g := NewWithT(t) | ||
| tlsMockOptions := TLSOptions{ | ||
| TLSMaxVersion: "TLS13", | ||
| TLSMinVersion: "TLS12", | ||
| TLSCipherSuites: "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256", | ||
| } | ||
| ctrl.Log.WithName("setup") | ||
| ctrl.SetLogger(klog.Background()) | ||
|
|
||
| bufWriter := bytes.NewBuffer(nil) | ||
| klog.SetOutput(bufWriter) | ||
| klog.LogToStderr(false) // this is important, because klog by default logs to stderr only | ||
| _, err := GetTLSOptionOverrideFuncs(tlsMockOptions) | ||
| g.Expect(err).Should(BeNil()) | ||
| g.Expect(bufWriter.String()).Should(ContainSubstring("use of insecure cipher 'TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256' detected.")) | ||
| }) | ||
| } | ||
|
|
||
| func TestTLSMinAndMaxVersion(t *testing.T) { | ||
| t.Run("should fail if TLS min version is greater than max version.", func(t *testing.T) { | ||
| g := NewWithT(t) | ||
| tlsMockOptions := TLSOptions{ | ||
| TLSMaxVersion: "TLS12", | ||
| TLSMinVersion: "TLS13", | ||
| } | ||
| _, err := GetTLSOptionOverrideFuncs(tlsMockOptions) | ||
| g.Expect(err.Error()).To(Equal("TLS version flag min version (TLS13) is greater than max version (TLS12)")) | ||
| }) | ||
| } | ||
|
|
||
| func Test13CipherSuite(t *testing.T) { | ||
| t.Run("should reset ciphersuite flag if TLS min and max version are set to 1.3", func(t *testing.T) { | ||
| g := NewWithT(t) | ||
|
|
||
| // Here TLS_RSA_WITH_AES_128_CBC_SHA is a tls12 cipher suite. | ||
| tlsMockOptions := TLSOptions{ | ||
| TLSMaxVersion: "TLS13", | ||
| TLSMinVersion: "TLS13", | ||
| TLSCipherSuites: "TLS_RSA_WITH_AES_128_CBC_SHA,TLS_AES_256_GCM_SHA384", | ||
| } | ||
|
|
||
| ctrl.Log.WithName("setup") | ||
| ctrl.SetLogger(klog.Background()) | ||
|
|
||
| bufWriter := bytes.NewBuffer(nil) | ||
| klog.SetOutput(bufWriter) | ||
| klog.LogToStderr(false) // this is important, because klog by default logs to stderr only | ||
| _, err := GetTLSOptionOverrideFuncs(tlsMockOptions) | ||
| g.Expect(bufWriter.String()).Should(ContainSubstring("warning: Cipher suites should not be set for TLS version 1.3. Ignoring ciphers")) | ||
| g.Expect(err).Should(BeNil()) | ||
| }) | ||
| } | ||
|
|
||
| func TestGetTLSVersion(t *testing.T) { | ||
| t.Run("should error out when incorrect tls version passed", func(t *testing.T) { | ||
| g := NewWithT(t) | ||
| tlsVersion := "TLS11" | ||
| _, err := GetTLSVersion(tlsVersion) | ||
| g.Expect(err.Error()).Should(Equal("unexpected TLS version \"TLS11\" (must be one of: TLS12, TLS13)")) | ||
| }) | ||
| t.Run("should pass and output correct tls version", func(t *testing.T) { | ||
| const VersionTLS12 uint16 = 771 | ||
| g := NewWithT(t) | ||
| tlsVersion := "TLS12" | ||
| version, err := GetTLSVersion(tlsVersion) | ||
| g.Expect(version).To(Equal(VersionTLS12)) | ||
| g.Expect(err).Should(BeNil()) | ||
| }) | ||
| } | ||
|
|
||
| func TestTLSOptions(t *testing.T) { | ||
| t.Run("should pass with all the correct options below with no error.", func(t *testing.T) { | ||
| g := NewWithT(t) | ||
| tlsMockOptions := TLSOptions{ | ||
| TLSMinVersion: "TLS12", | ||
| TLSMaxVersion: "TLS13", | ||
| TLSCipherSuites: "TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384", | ||
| } | ||
| _, err := GetTLSOptionOverrideFuncs(tlsMockOptions) | ||
| g.Expect(err).Should(BeNil()) | ||
| }) | ||
| } |