mirror of https://github.com/google/oss-fuzz.git
107 lines
2.3 KiB
Go
107 lines
2.3 KiB
Go
// Copyright 2022 Google LLC. All Rights Reserved.
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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 daemon
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import (
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"context"
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"os"
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"path/filepath"
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"github.com/moby/sys/mount"
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"github.com/sirupsen/logrus"
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imagetypes "github.com/docker/docker/api/types/image"
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"github.com/docker/docker/container"
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"github.com/docker/docker/daemon/config"
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"github.com/docker/docker/daemon/images"
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fuzz "github.com/AdaLogics/go-fuzz-headers"
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)
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func init() {
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logrus.SetLevel(logrus.ErrorLevel)
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}
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func FuzzDaemonSimple(data []byte) int {
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if os.Getuid() != 0 {
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return -1
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}
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f := fuzz.NewConsumer(data)
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c := &container.Container{}
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f.GenerateStruct(c)
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if c.ID == "" {
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return 0
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}
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options := imagetypes.GetImageOpts{}
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f.GenerateStruct(&options)
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refOrID, err := f.GetString()
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if err != nil || refOrID == "" {
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return -1
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}
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getContainer, err := f.GetString()
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if err != nil {
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return 0
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}
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testRoot, err := os.MkdirTemp("", "test-dir")
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if err != nil {
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return 0
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}
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defer os.RemoveAll(testRoot)
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cfg := &config.Config{}
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err = mount.MakePrivate(testRoot)
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if err != nil {
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return 0
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}
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defer mount.Unmount(testRoot)
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cfg.ExecRoot = filepath.Join(testRoot, "exec")
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cfg.Root = filepath.Join(testRoot, "daemon")
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err = os.Mkdir(cfg.ExecRoot, 0755)
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if err != nil {
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return 0
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}
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err = os.Mkdir(cfg.Root, 0755)
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if err != nil {
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return 0
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}
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d := &Daemon{configStore: cfg,
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root: cfg.Root,
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imageService: images.NewImageService(images.ImageServiceConfig{}),
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}
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store := container.NewMemoryStore()
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store.Add(c.ID, c)
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containersReplica, err := container.NewViewDB()
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if err != nil {
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panic(err)
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}
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d.containers = store
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d.containersReplica = containersReplica
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_, _ = d.imageService.GetImage(context.Background(), refOrID, options)
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_, _ = d.GetContainer(getContainer)
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return 1
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}
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