mirror of https://github.com/google/oss-fuzz.git
101 lines
2.2 KiB
Go
101 lines
2.2 KiB
Go
// Copyright 2023 Google LLC
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package main
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import (
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"bytes"
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"flag"
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"fmt"
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"io"
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"os"
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"strings"
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"text/template"
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"github.com/klauspost/compress/zip"
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)
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var (
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dictPath = flag.String("dict-path", "", "dict path")
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outputFile = flag.String("output-file", "", "output file")
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)
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func main() {
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flag.Parse()
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if *dictPath == "" {
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panic("Need a dict path")
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}
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if *outputFile == "" {
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panic("Need an output file")
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}
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dicts := getFuzzDicts(*dictPath)
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t, err := template.New("todos").Parse(`
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package zstd
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var fuzzDicts = make([][]byte, 0)
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func init() {
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{{range $val := .}}
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fuzzDicts = append(fuzzDicts, {{$val}})
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{{end}}
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}
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`)
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if err != nil {
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panic(err)
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}
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f, err := os.Create(*outputFile)
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err = t.Execute(f, dicts)
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if err != nil {
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panic(err)
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}
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f.Close()
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}
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func getFuzzDicts(path string) []string {
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data, err := os.ReadFile(path)
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if err != nil {
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panic(err)
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}
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zr, err := zip.NewReader(bytes.NewReader(data), int64(len(data)))
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if err != nil {
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panic(err)
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}
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var dicts [][]byte
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for _, tt := range zr.File {
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if !strings.HasSuffix(tt.Name, ".dict") {
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continue
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}
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func() {
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r, err := tt.Open()
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if err != nil {
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panic(err)
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}
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defer r.Close()
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in, err := io.ReadAll(r)
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if err != nil {
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panic(err)
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}
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dicts = append(dicts, in)
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}()
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}
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stringDicts := make([]string, 0)
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for _, d := range dicts {
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stringedArray := fmt.Sprintf("%v", d)
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withComma := strings.Replace(stringedArray, " ", ", ", -1)
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withClosingBracket := strings.Replace(withComma, "]", "}", -1)
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withOpenBracket := strings.Replace(withClosingBracket, "[", "[]byte{", -1)
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stringDicts = append(stringDicts, withOpenBracket)
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}
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return stringDicts
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}
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