types: refactor multiple fuzzers #1258
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,74 @@ | ||
| // | ||
| // Copyright 2022 The Sigstore 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. | ||
|
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| package fuzz | ||
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| import ( | ||
| "net/url" | ||
| "os" | ||
| "path/filepath" | ||
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| "go.uber.org/zap" | ||
| "go.uber.org/zap/zapcore" | ||
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| fuzz "github.com/AdaLogics/go-fuzz-headers" | ||
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| "github.com/sigstore/rekor/pkg/log" | ||
| "github.com/sigstore/rekor/pkg/types" | ||
| ) | ||
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| func CreateProps(ff *fuzz.ConsumeFuzzer) (types.ArtifactProperties, func(), error) { | ||
| props := types.ArtifactProperties{} | ||
| ff.GenerateStruct(&props) //nolint:all | ||
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| if props.ArtifactBytes == nil { | ||
| artifactBytes, err := ff.GetBytes() | ||
| if err != nil { | ||
| return props, nil, err | ||
| } | ||
| artifactFile, err := os.Create("ArtifactFile") | ||
| if err != nil { | ||
| return props, nil, err | ||
| } | ||
| defer artifactFile.Close() | ||
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| artifactPath, err := filepath.Abs("ArtifactFile") | ||
| if err != nil { | ||
| return props, nil, err | ||
| } | ||
| artifactURL, err := url.Parse(artifactPath) | ||
| if err != nil { | ||
| return props, nil, err | ||
| } | ||
| props.ArtifactPath = artifactURL | ||
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| _, err = artifactFile.Write(artifactBytes) | ||
| return props, func() { | ||
| os.Remove("ArtifactFile") | ||
| }, err | ||
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| } | ||
| return props, func() {}, nil | ||
| } | ||
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| func SetFuzzLogger() { | ||
| config := zap.NewProductionConfig() | ||
| config.Level = zap.NewAtomicLevelAt(zapcore.FatalLevel) | ||
| logger, err := config.Build() | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
| log.Logger = logger.Named("rekor-fuzz-logger").Sugar() | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,55 @@ | ||
| // | ||
| // Copyright 2022 The Sigstore 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. | ||
|
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| package intoto | ||
|
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| import ( | ||
| "context" | ||
| "sync" | ||
| "testing" | ||
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| fuzz "github.com/AdaLogics/go-fuzz-headers" | ||
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| fuzzUtils "github.com/sigstore/rekor/pkg/fuzz" | ||
| "github.com/sigstore/rekor/pkg/types/intoto" | ||
| ) | ||
|
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| var initter sync.Once | ||
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| func FuzzIntotoCreateProposedEntry(f *testing.F) { | ||
| f.Fuzz(func(t *testing.T, propsData []byte) { | ||
| initter.Do(fuzzUtils.SetFuzzLogger) | ||
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| version := "0.0.2" | ||
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| ff := fuzz.NewConsumer(propsData) | ||
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| props, cleanup, err := fuzzUtils.CreateProps(ff) | ||
| if err != nil { | ||
| t.Skip() | ||
| } | ||
| defer cleanup() | ||
|
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| it := intoto.New() | ||
| entry, err := it.CreateProposedEntry(context.Background(), version, props) | ||
| if err != nil { | ||
| t.Skip() | ||
| } | ||
| _, err = it.UnmarshalEntry(entry) | ||
| if err != nil { | ||
| t.Skip() | ||
| } | ||
| }) | ||
| } |
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In most cases, if
ArtifactBytesare written, then we won't even look at theArtifactPath(rekor/pkg/types/rekord/v0.0.1/entry.go
Lines 343 to 345 in 8fbe9e4
ffto either useArtifactBytesdirectly or use it fromArtifactPathand clearArtifactBytes?The same goes for
SignatureBytesandSignaturePath/PublicKeyBytesandPublicKeyPathsThere was a problem hiding this comment.
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I misread this! If the ArtifactBytes are nil -- lgtm! (Just see about the Signature/PublicKey if there are any issues)