[#480] Add fuzzing tests

(cherry picked from commit 664f83b2b7)

Signed-off-by: Roman Ognev <r.ognev@yadro.com>
Signed-off-by: Alex Vanin <a.vanin@yadro.com>

Makefile

@@ -23,6 +23,12 @@ OUTPUT_LINT_DIR ?= $(shell pwd)/bin
 LINT_DIR = $(OUTPUT_LINT_DIR)/golangci-lint-$(LINT_VERSION)-v$(TRUECLOUDLAB_LINT_VERSION)
 TMP_DIR := .cache
 
+# Variables for fuzzing
+FUZZ_NGFUZZ_DIR ?= ""
+FUZZ_TIMEOUT ?= 30
+FUZZ_FUNCTIONS ?= "all"
+FUZZ_AUX ?= ""
+
 .PHONY: all $(BINS) $(BINDIR) dep docker/ test cover format image image-push dirty-image lint docker/lint pre-commit unpre-commit version clean protoc
 
 # .deb package versioning
@@ -76,6 +82,34 @@ cover:
 	@go test -v -race ./... -coverprofile=coverage.txt -covermode=atomic
 	@go tool cover -html=coverage.txt -o coverage.html
 
+# Run fuzzing
+CLANG := $(shell which clang-17 2>/dev/null)
+.PHONY: check-clang all
+check-clang:
+ifeq ($(CLANG),)
+	@echo "clang-17 is not installed. Please install it before proceeding - https://apt.llvm.org/llvm.sh "
+	@exit 1
+endif
+
+.PHONY: check-ngfuzz all
+check-ngfuzz:
+	@if [ -z "$(FUZZ_NGFUZZ_DIR)" ]; then \
+		echo "Please set a variable FUZZ_NGFUZZ_DIR to specify path to the ngfuzz"; \
+		exit 1; \
+	fi
+
+.PHONY: install-fuzzing-deps
+install-fuzzing-deps: check-clang check-ngfuzz
+
+.PHONY: fuzz
+fuzz: install-fuzzing-deps  
+	@START_PATH=$$(pwd); \
+	ROOT_PATH=$$(realpath --relative-to=$(FUZZ_NGFUZZ_DIR) $$START_PATH) ; \
+	cd $(FUZZ_NGFUZZ_DIR) && \
+	./ngfuzz -clean && \
+	./ngfuzz -fuzz $(FUZZ_FUNCTIONS) -rootdir $$ROOT_PATH -timeout $(FUZZ_TIMEOUT) $(FUZZ_AUX) && \
+	./ngfuzz -report
+
 # Reformat code
 format:
 	@echo "⇒ Processing gofmt check"

README.md

@@ -93,6 +93,24 @@ HTTP/1.1 200 OK
 
 Also, you can configure domains using `.env` variables or `yaml` file.
 
+## Fuzzing   
+To run fuzzing tests use the following command:  
+
+```shell
+$ make fuzz
+```   
+
+This command will install dependencies for the fuzzing process and run existing fuzzing tests.   
+
+You can also use the following arguments:
+
+```
+FUZZ_TIMEOUT - time to run each fuzzing test (default 30) 
+FUZZ_FUNCTIONS - fuzzing tests that will be started (default "all")
+FUZZ_AUX - additional parameters for the fuzzer (for example, "-debug")
+FUZZ_NGFUZZ_DIR - path to ngfuzz tool
+````
+
 ## Documentation
 
 - [Configuration](./docs/configuration.md)

api/auth/center_fuzz_test.go

@@ -0,0 +1,88 @@
+//go:build gofuzz
+// +build gofuzz
+
+package auth
+
+import (
+	"strings"
+	"testing"
+	"time"
+
+	"git.frostfs.info/TrueCloudLab/frostfs-s3-gw/creds/accessbox"
+	oid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object/id"
+	"github.com/aws/aws-sdk-go/aws/credentials"
+	utils "github.com/trailofbits/go-fuzz-utils"
+)
+
+const (
+	fuzzSuccessExitCode = 0
+	fuzzFailExitCode    = -1
+)
+
+func InitFuzzAuthenticate() {
+}
+
+func DoFuzzAuthenticate(input []byte) int {
+	// FUZZER INIT
+	if len(input) < 100 {
+		return fuzzFailExitCode
+	}
+
+	tp, err := utils.NewTypeProvider(input)
+	if err != nil {
+		return fuzzFailExitCode
+	}
+
+	var accessKeyAddr oid.Address
+	err = tp.Fill(accessKeyAddr)
+	if err != nil {
+		return fuzzFailExitCode
+	}
+
+	accessKeyID := strings.ReplaceAll(accessKeyAddr.String(), "/", "0")
+	secretKey, err := tp.GetString()
+	awsCreds := credentials.NewStaticCredentials(accessKeyID, secretKey, "")
+
+	reqData := RequestData{
+		Method:   "GET",
+		Endpoint: "http://localhost:8084",
+		Bucket:   "my-bucket",
+		Object:   "@obj/name",
+	}
+	presignData := PresignData{
+		Service:  "s3",
+		Region:   "spb",
+		Lifetime: 10 * time.Minute,
+		SignTime: time.Now().UTC(),
+	}
+
+	req, err := PresignRequest(awsCreds, reqData, presignData)
+	if req == nil {
+		return fuzzFailExitCode
+	}
+
+	expBox := &accessbox.Box{
+		Gate: &accessbox.GateData{
+			SecretKey: secretKey,
+		},
+	}
+
+	mock := newTokensFrostfsMock()
+	mock.addBox(accessKeyAddr, expBox)
+
+	c := &Center{
+		cli:     mock,
+		reg:     NewRegexpMatcher(authorizationFieldRegexp),
+		postReg: NewRegexpMatcher(postPolicyCredentialRegexp),
+	}
+
+	_, _ = c.Authenticate(req)
+
+	return fuzzSuccessExitCode
+}
+
+func FuzzAuthenticate(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzAuthenticate(data)
+	})
+}

api/handler/handler_fuzz_test.go

@@ -0,0 +1,998 @@
+//go:build gofuzz
+// +build gofuzz
+
+package handler
+
+import (
+	"bytes"
+	"crypto/md5"
+	"encoding/base64"
+	"encoding/hex"
+	"encoding/xml"
+	"mime/multipart"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+	tt "testing" // read https://github.com/AdamKorcz/go-118-fuzz-build?tab=readme-ov-file#workflow
+
+	"git.frostfs.info/TrueCloudLab/frostfs-s3-gw/api/data"
+	"git.frostfs.info/TrueCloudLab/frostfs-s3-gw/api/layer"
+	"git.frostfs.info/TrueCloudLab/frostfs-s3-gw/api/middleware"
+	"git.frostfs.info/TrueCloudLab/frostfs-s3-gw/creds/accessbox"
+	engineiam "git.frostfs.info/TrueCloudLab/policy-engine/iam"
+	utils "github.com/trailofbits/go-fuzz-utils"
+	"go.uber.org/zap/zaptest"
+)
+
+var (
+	fuzzBktName string
+	fuzzBox     *accessbox.Box
+	fuzzHc      *handlerContextBase
+	fuzzt       *tt.T
+)
+
+const (
+	fuzzSuccessExitCode = 0
+	fuzzFailExitCode    = -1
+)
+
+func createTestBucketAndInitContext() {
+	fuzzt = new(tt.T)
+
+	log := zaptest.NewLogger(fuzzt)
+	var err error
+	fuzzHc, err = prepareHandlerContextBase(layer.DefaultCachesConfigs(log))
+	if err != nil {
+		panic(err)
+	}
+
+	fuzzBktName = "bucket"
+	fuzzBox, _ = createAccessBox(fuzzt)
+
+	w := httptest.NewRecorder()
+	r := httptest.NewRequest(http.MethodPut, defaultURL, nil)
+	reqInfo := middleware.NewReqInfo(w, r, middleware.ObjectRequest{Bucket: fuzzBktName, Object: ""}, "")
+	r = r.WithContext(middleware.SetReqInfo(fuzzHc.Context(), reqInfo))
+	r = r.WithContext(middleware.SetBox(r.Context(), &middleware.Box{AccessBox: fuzzBox}))
+
+	fuzzHc.Handler().CreateBucketHandler(w, r)
+}
+
+func prepareStrings(tp *utils.TypeProvider, count int) ([]string, error) {
+	array := make([]string, count)
+	var err error
+
+	for i := 0; i < count; i++ {
+		err = tp.Reset()
+		if err != nil {
+			return nil, err
+		}
+
+		array[i], err = tp.GetString()
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	return array, nil
+}
+
+func addMD5Header(tp *utils.TypeProvider, r *http.Request, rawBody []byte) error {
+	if len(rawBody) == 0 {
+		return nil
+	}
+
+	rand, err := tp.GetBool()
+	if err != nil {
+		return err
+	}
+
+	if rand == true {
+		var dst []byte
+		base64.StdEncoding.Encode(dst, rawBody)
+		hash := md5.Sum(dst)
+		r.Header.Set("Content-Md5", hex.EncodeToString(hash[:]))
+	}
+
+	return nil
+}
+
+func generateParams(tp *utils.TypeProvider, input string, params []string) (string, error) {
+	input += "?"
+
+	count, err := tp.GetInt()
+	if err != nil {
+		return "", err
+	}
+	count = count % len(params)
+	if count < 0 {
+		count += len(params)
+	}
+
+	for i := 0; i < count; i++ {
+		position, err := tp.GetInt()
+		if err != nil {
+			return "", err
+		}
+		position = position % len(params)
+		if position < 0 {
+			position += len(params)
+		}
+
+		v, err := tp.GetString()
+		if err != nil {
+			return "", err
+		}
+		input += params[position] + "=" + v + "&"
+	}
+
+	return input, nil
+}
+
+func generateHeaders(tp *utils.TypeProvider, r *http.Request, params []string) error {
+	count, err := tp.GetInt()
+	if err != nil {
+		return err
+	}
+	count = count % len(params)
+	if count < 0 {
+		count += len(params)
+	}
+
+	for i := 0; i < count; i++ {
+		position, err := tp.GetInt()
+		if err != nil {
+			return err
+		}
+		position = position % len(params)
+		if position < 0 {
+			position += len(params)
+		}
+
+		v, err := tp.GetString()
+		if err != nil {
+			return err
+		}
+
+		r.Header.Set(params[position], v)
+
+	}
+
+	return nil
+}
+
+func InitFuzzCreateBucketHandler() {
+	fuzzt = new(tt.T)
+
+	log := zaptest.NewLogger(fuzzt)
+	var err error
+	fuzzHc, err = prepareHandlerContextBase(layer.DefaultCachesConfigs(log))
+	if err != nil {
+		panic(err)
+	}
+
+	fuzzBox, _ = createAccessBox(fuzzt)
+}
+
+func DoFuzzCreateBucketHandler(input []byte) int {
+	// FUZZER INIT
+	if len(input) < 100 {
+		return fuzzFailExitCode
+	}
+
+	tp, err := utils.NewTypeProvider(input)
+	if err != nil {
+		return fuzzFailExitCode
+	}
+
+	strings, err := prepareStrings(tp, 4)
+	if err != nil {
+		return fuzzFailExitCode
+	}
+
+	bktName := strings[0]
+	body := strings[1]
+
+	bodyXml, err := xml.Marshal(body)
+	if err != nil {
+		return fuzzFailExitCode
+	}
+
+	w := httptest.NewRecorder()
+	r := httptest.NewRequest(http.MethodPut, defaultURL, bytes.NewReader(bodyXml))
+	reqInfo := middleware.NewReqInfo(w, r, middleware.ObjectRequest{Bucket: bktName, Object: ""}, "")
+	r = r.WithContext(middleware.SetReqInfo(fuzzHc.Context(), reqInfo))
+	r = r.WithContext(middleware.SetBox(r.Context(), &middleware.Box{AccessBox: fuzzBox}))
+
+	err = generateHeaders(tp, r, []string{"x-amz-acl", "x-amz-bucket-object-lock-enabled", "x-amz-grant-full-control", "x-amz-grant-read", "x-amz-grant-read-acp", "x-amz-grant-write", "x-amz-grant-write-acp", "x-amz-object-ownership"})
+	if err != nil {
+		return fuzzFailExitCode
+	}
+
+	fuzzHc.Handler().CreateBucketHandler(w, r)
+
+	return fuzzSuccessExitCode
+}
+
+func FuzzCreateBucketHandler(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzCreateBucketHandler(data)
+	})
+}
+
+func InitFuzzPutBucketCorsHandler() {
+	createTestBucketAndInitContext()
+}
+
+func DoFuzzPutBucketCorsHandler(input []byte) int {
+	// FUZZER INIT
+	if len(input) < 100 {
+		return fuzzFailExitCode
+	}
+
+	tp, err := utils.NewTypeProvider(input)
+	if err != nil {
+		return fuzzFailExitCode
+	}
+
+	var cors data.CORSConfiguration
+	err = tp.Fill(&cors)
+	if err != nil {
+		return fuzzFailExitCode
+	}
+
+	bodyXml, err := xml.Marshal(cors)
+	if err != nil {
+		return fuzzFailExitCode
+	}
+
+	w := httptest.NewRecorder()
+	r := httptest.NewRequest(http.MethodPut, defaultURL+"?cors", bytes.NewReader(bodyXml))
+	reqInfo := middleware.NewReqInfo(w, r, middleware.ObjectRequest{Bucket: fuzzBktName, Object: ""}, "")
+	r = r.WithContext(middleware.SetReqInfo(fuzzHc.Context(), reqInfo))
+	r = r.WithContext(middleware.SetBox(r.Context(), &middleware.Box{AccessBox: fuzzBox}))
+
+	err = generateHeaders(tp, r, []string{"x-amz-expected-bucket-owner"})
+	if err != nil {
+		return fuzzFailExitCode
+	}
+
+	fuzzHc.Handler().PutBucketCorsHandler(w, r)
+
+	return fuzzSuccessExitCode
+}
+
+func FuzzPutBucketCorsHandler(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzPutBucketCorsHandler(data)
+	})
+}
+
+func InitFuzzPutBucketPolicyHandler() {
+	createTestBucketAndInitContext()
+}
+
+func FuzzPutBucketPolicyHandler(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzPutBucketPolicyHandler(data)
+	})
+}
+
+func DoFuzzPutBucketPolicyHandler(input []byte) int {
+	// FUZZER INIT
+	if len(input) < 100 {
+		return fuzzFailExitCode
+	}
+
+	tp, err := utils.NewTypeProvider(input)
+	if err != nil {
+		return fuzzFailExitCode
+	}
+
+	var policy engineiam.Policy
+	err = tp.Fill(&policy)
+	if err != nil {
+		return fuzzFailExitCode
+	}
+
+	bodyXml, err := xml.Marshal(policy)
+	if err != nil {
+		return fuzzFailExitCode
+	}
+
+	w := httptest.NewRecorder()
+	r := httptest.NewRequest(http.MethodPut, defaultURL+"?policy", bytes.NewReader(bodyXml))
+	reqInfo := middleware.NewReqInfo(w, r, middleware.ObjectRequest{Bucket: fuzzBktName, Object: ""}, "")
+	r = r.WithContext(middleware.SetReqInfo(fuzzHc.Context(), reqInfo))
+	r = r.WithContext(middleware.SetBox(r.Context(), &middleware.Box{AccessBox: fuzzBox}))
+
+	err = generateHeaders(tp, r, []string{"x-amz-expected-bucket-owner", "x-amz-confirm-remove-self-bucket-access"})
+	if err != nil {
+		return fuzzFailExitCode
+	}
+
+	err = addMD5Header(tp, r, bodyXml)
+	if err != nil {
+		return fuzzFailExitCode
+	}
+
+	fuzzHc.Handler().PutBucketPolicyHandler(w, r)
+
+	return fuzzSuccessExitCode
+}
+
+func InitFuzzDeleteMultipleObjectsHandler() {
+	createTestBucketAndInitContext()
+}
+
+func FuzzDeleteMultipleObjectsHandler(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzDeleteMultipleObjectsHandler(data)
+	})
+}
+
+func DoFuzzDeleteMultipleObjectsHandler(input []byte) int {
+	// FUZZER INIT
+	if len(input) < 100 {
+		return fuzzFailExitCode
+	}
+
+	tp, err := utils.NewTypeProvider(input)
+	if err != nil {
+		return fuzzFailExitCode
+	}
+
+	var body DeleteObjectsRequest
+	err = tp.Fill(&body)
+	if err != nil {
+		return fuzzFailExitCode
+	}
+
+	bodyXml, err := xml.Marshal(body)
+	if err != nil {
+		return fuzzFailExitCode
+	}
+
+	w := httptest.NewRecorder()
+	r := httptest.NewRequest(http.MethodPost, defaultURL+"?delete", bytes.NewReader(bodyXml))
+	reqInfo := middleware.NewReqInfo(w, r, middleware.ObjectRequest{Bucket: fuzzBktName, Object: ""}, "")
+	r = r.WithContext(middleware.SetReqInfo(fuzzHc.Context(), reqInfo))
+	r = r.WithContext(middleware.SetBox(r.Context(), &middleware.Box{AccessBox: fuzzBox}))
+
+	err = generateHeaders(tp, r, []string{"x-amz-expected-bucket-owner", "x-amz-bypass-governance-retention", "x-amz-mfa"})
+	if err != nil {
+		return fuzzFailExitCode
+	}
+
+	err = addMD5Header(tp, r, bodyXml)
+	if err != nil {
+		return fuzzFailExitCode
+	}
+
+	fuzzHc.Handler().DeleteMultipleObjectsHandler(w, r)
+
+	return fuzzSuccessExitCode
+}
+
+func InitFuzzPostObject() {
+	createTestBucketAndInitContext()
+}
+
+func FuzzPostObject(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzPostObject(data)
+	})
+}
+
+func postObject(tp *utils.TypeProvider) ([]byte, string, error) {
+	strings, err := prepareStrings(tp, 2)
+	if err != nil {
+		return nil, "", err
+	}
+
+	bodyXml, err := xml.Marshal(strings[0])
+	if err != nil {
+		return nil, "", err
+	}
+	objName := strings[1]
+
+	w := httptest.NewRecorder()
+	r := httptest.NewRequest(http.MethodPost, defaultURL, bytes.NewReader(bodyXml))
+	reqInfo := middleware.NewReqInfo(w, r, middleware.ObjectRequest{Bucket: fuzzBktName, Object: objName}, "")
+	r = r.WithContext(middleware.SetReqInfo(fuzzHc.Context(), reqInfo))
+	r = r.WithContext(middleware.SetBox(r.Context(), &middleware.Box{AccessBox: fuzzBox}))
+
+	err = generateHeaders(tp, r, []string{"X-Amz-Grant-Read", "X-Amz-Grant-Full-Control", "X-Amz-Grant-Write", "X-Amz-Acl", "x-amz-expected-bucket-owner"})
+	if err != nil {
+		return nil, "", err
+	}
+
+	var file multipart.Form
+	err = tp.Fill(&file)
+	if err != nil {
+		return nil, "", err
+	}
+
+	r.MultipartForm = &file
+
+	fuzzHc.Handler().PostObject(w, r)
+
+	return bodyXml, objName, nil
+}
+
+func DoFuzzPostObject(input []byte) int {
+	// FUZZER INIT
+	if len(input) < 100 {
+		return fuzzFailExitCode
+	}
+
+	tp, err := utils.NewTypeProvider(input)
+	if err != nil {
+		return fuzzFailExitCode
+	}
+
+	_, _, err = postObject(tp)
+	if err != nil {
+		return fuzzFailExitCode
+	}
+
+	return fuzzSuccessExitCode
+}
+
+func InitFuzzDeleteBucketHandler() {
+	createTestBucketAndInitContext()
+}
+
+func FuzzDeleteBucketHandler(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzDeleteBucketHandler(data)
+	})
+}
+
+func DoFuzzDeleteBucketHandler(input []byte) int {
+	// FUZZER INIT
+	if len(input) < 100 {
+		return fuzzFailExitCode
+	}
+
+	tp, err := utils.NewTypeProvider(input)
+	if err != nil {
+		return fuzzFailExitCode
+	}
+
+	w := httptest.NewRecorder()
+	r := httptest.NewRequest(http.MethodDelete, defaultURL, nil)
+	reqInfo := middleware.NewReqInfo(w, r, middleware.ObjectRequest{Bucket: fuzzBktName, Object: ""}, "")
+	r = r.WithContext(middleware.SetReqInfo(fuzzHc.Context(), reqInfo))
+	r = r.WithContext(middleware.SetBox(r.Context(), &middleware.Box{AccessBox: fuzzBox}))
+
+	err = generateHeaders(tp, r, []string{"x-amz-expected-bucket-owner"})
+	if err != nil {
+		return fuzzFailExitCode
+	}
+
+	fuzzHc.Handler().DeleteBucketHandler(w, r)
+
+	return fuzzSuccessExitCode
+}
+
+func InitFuzzDeleteBucketCorsHandler() {
+	createTestBucketAndInitContext()
+}
+
+func FuzzDeleteBucketCorsHandler(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzDeleteBucketCorsHandler(data)
+	})
+}
+
+func DoFuzzDeleteBucketCorsHandler(input []byte) int {
+	// FUZZER INIT
+	if len(input) < 100 {
+		return fuzzFailExitCode
+	}
+
+	tp, err := utils.NewTypeProvider(input)
+	if err != nil {
+		return fuzzFailExitCode
+	}
+
+	w := httptest.NewRecorder()
+	r := httptest.NewRequest(http.MethodDelete, defaultURL+"?cors", nil)
+	reqInfo := middleware.NewReqInfo(w, r, middleware.ObjectRequest{Bucket: fuzzBktName, Object: ""}, "")
+	r = r.WithContext(middleware.SetReqInfo(fuzzHc.Context(), reqInfo))
+	r = r.WithContext(middleware.SetBox(r.Context(), &middleware.Box{AccessBox: fuzzBox}))
+
+	err = generateHeaders(tp, r, []string{"x-amz-expected-bucket-owner"})
+	if err != nil {
+		return fuzzFailExitCode
+	}
+
+	fuzzHc.Handler().DeleteBucketCorsHandler(w, r)
+
+	return fuzzSuccessExitCode
+}
+
+func InitFuzzDeleteBucketPolicyHandler() {
+	createTestBucketAndInitContext()
+}
+
+func FuzzDeleteBucketPolicyHandler(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzDeleteBucketPolicyHandler(data)
+	})
+}
+
+func DoFuzzDeleteBucketPolicyHandler(input []byte) int {
+	// FUZZER INIT
+	if len(input) < 100 {
+		return fuzzFailExitCode
+	}
+
+	tp, err := utils.NewTypeProvider(input)
+	if err != nil {
+		return fuzzFailExitCode
+	}
+
+	w := httptest.NewRecorder()
+	r := httptest.NewRequest(http.MethodDelete, defaultURL+"?policy", nil)
+	reqInfo := middleware.NewReqInfo(w, r, middleware.ObjectRequest{Bucket: fuzzBktName, Object: ""}, "")
+	r = r.WithContext(middleware.SetReqInfo(fuzzHc.Context(), reqInfo))
+	r = r.WithContext(middleware.SetBox(r.Context(), &middleware.Box{AccessBox: fuzzBox}))
+
+	err = generateHeaders(tp, r, []string{"x-amz-expected-bucket-owner"})
+	if err != nil {
+		return fuzzFailExitCode
+	}
+
+	fuzzHc.Handler().DeleteBucketPolicyHandler(w, r)
+
+	return fuzzFailExitCode
+}
+
+func InitFuzzCopyObjectHandler() {
+	createTestBucketAndInitContext()
+}
+
+func FuzzCopyObjectHandler(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzCopyObjectHandler(data)
+	})
+}
+
+func DoFuzzCopyObjectHandler(input []byte) int {
+	// FUZZER INIT
+	if len(input) < 100 {
+		return fuzzFailExitCode
+	}
+
+	tp, err := utils.NewTypeProvider(input)
+	if err != nil {
+		return fuzzFailExitCode
+	}
+
+	w := httptest.NewRecorder()
+	var r *http.Request
+
+	key, err := tp.GetString()
+	if err != nil {
+		return fuzzFailExitCode
+	}
+
+	params, err := generateParams(tp, key, []string{"versionId"})
+	if err != nil {
+		return fuzzFailExitCode
+	}
+
+	r = httptest.NewRequest(http.MethodPut, defaultURL+params, nil)
+	if r != nil {
+		return fuzzFailExitCode
+	}
+
+	reqInfo := middleware.NewReqInfo(w, r, middleware.ObjectRequest{Bucket: fuzzBktName, Object: ""}, "")
+	r = r.WithContext(middleware.SetReqInfo(fuzzHc.Context(), reqInfo))
+	r = r.WithContext(middleware.SetBox(r.Context(), &middleware.Box{AccessBox: fuzzBox}))
+
+	err = generateHeaders(tp, r, []string{"x-amz-acl", "x-amz-checksum-algorithm", "x-amz-copy-source", "x-amz-copy-source-if-match", "x-amz-copy-source-if-match", "x-amz-copy-source-if-unmodified-since", "x-amz-copy-source-if-modified-since", "x-amz-copy-source-if-none-match", "x-amz-copy-source-if-modified-since", "x-amz-copy-source-if-none-match", "x-amz-copy-source-if-none-match", "x-amz-copy-source-if-modified-since", "x-amz-copy-source-if-unmodified-since", "x-amz-copy-source-if-match", "x-amz-copy-source-if-unmodified-since", "x-amz-copy-source-server-side-encryption-customer-algorithm", "x-amz-copy-source-server-side-encryption-customer-key", "x-amz-copy-source-server-side-encryption-customer-key-MD5", "x-amz-expected-bucket-owner", "x-amz-grant-full-control", "x-amz-grant-read", "x-amz-grant-read-acp", "x-amz-grant-write-acp", "x-amz-metadata-directive", "x-amz-website-redirect-location", "x-amz-object-lock-legal-hold", "x-amz-object-lock-mode", "x-amz-object-lock-retain-until-date", "x-amz-request-payer", "x-amz-server-side-encryption", "x-amz-server-side-encryption-aws-kms-key-id", "x-amz-server-side-encryption-bucket-key-enabled", "x-amz-server-side-encryption-context", "x-amz-server-side-encryption-customer-algorithm", "x-amz-server-side-encryption-customer-key", "x-amz-server-side-encryption-customer-key-MD5", "x-amz-source-expected-bucket-owner", "x-amz-storage-class", "x-amz-tagging", "x-amz-tagging-directive", "x-amz-website-redirect-location"})
+	if err != nil {
+		return fuzzFailExitCode
+	}
+
+	fuzzHc.Handler().CopyObjectHandler(w, r)
+
+	return fuzzSuccessExitCode
+}
+
+func InitFuzzDeleteObjectHandler() {
+	createTestBucketAndInitContext()
+}
+
+func FuzzDeleteObjectHandler(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzDeleteObjectHandler(data)
+	})
+}
+
+func DoFuzzDeleteObjectHandler(input []byte) int {
+	// FUZZER INIT
+	if len(input) < 100 {
+		return fuzzFailExitCode
+	}
+
+	tp, err := utils.NewTypeProvider(input)
+	if err != nil {
+		return fuzzFailExitCode
+	}
+
+	_, objName, err := postObject(tp)
+	if err != nil {
+		return fuzzFailExitCode
+	}
+
+	w := httptest.NewRecorder()
+	var r *http.Request
+
+	params, err := generateParams(tp, objName, []string{"versionId"})
+	if err != nil {
+		return fuzzFailExitCode
+	}
+
+	r = httptest.NewRequest(http.MethodDelete, defaultURL+params, nil)
+	if r != nil {
+		return fuzzFailExitCode
+	}
+
+	reqInfo := middleware.NewReqInfo(w, r, middleware.ObjectRequest{Bucket: fuzzBktName, Object: objName}, "")
+	r = r.WithContext(middleware.SetReqInfo(fuzzHc.Context(), reqInfo))
+	r = r.WithContext(middleware.SetBox(r.Context(), &middleware.Box{AccessBox: fuzzBox}))
+
+	err = generateHeaders(tp, r, []string{"x-amz-expected-bucket-owner", "x-amz-bypass-governance-retention", "x-amz-mfa"})
+	if err != nil {
+		return fuzzFailExitCode
+	}
+
+	fuzzHc.Handler().DeleteObjectHandler(w, r)
+
+	return fuzzSuccessExitCode
+}
+
+func InitFuzzGetObjectHandler() {
+	createTestBucketAndInitContext()
+}
+
+func FuzzGetObjectHandler(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzGetObjectHandler(data)
+	})
+}
+
+func DoFuzzGetObjectHandler(input []byte) int {
+	// FUZZER INIT
+	if len(input) < 100 {
+		return fuzzFailExitCode
+	}
+
+	tp, err := utils.NewTypeProvider(input)
+	if err != nil {
+		return fuzzFailExitCode
+	}
+
+	_, objName, err := postObject(tp)
+	if err != nil {
+		return fuzzFailExitCode
+	}
+
+	params, err := generateParams(tp, objName, []string{"versionId", "partNumber", "Range", "response-content-type", "response-content-language", "response-expires", "response-cache-control", "response-content-disposition", "response-content-encoding"})
+	if err != nil {
+		return fuzzFailExitCode
+	}
+
+	w := httptest.NewRecorder()
+
+	r := httptest.NewRequest(http.MethodGet, defaultURL+params, nil)
+	if r != nil {
+		return fuzzFailExitCode
+	}
+
+	reqInfo := middleware.NewReqInfo(w, r, middleware.ObjectRequest{Bucket: fuzzBktName, Object: objName}, "")
+	r = r.WithContext(middleware.SetReqInfo(fuzzHc.Context(), reqInfo))
+	r = r.WithContext(middleware.SetBox(r.Context(), &middleware.Box{AccessBox: fuzzBox}))
+
+	err = generateHeaders(tp, r, []string{"x-amz-expected-bucket-owner", "If-Match", "If-None-Match", "If-Modified-Since", "If-Unmodified-Since", "x-amz-server-side-encryption-customer-algorithm", "x-amz-server-side-encryption-customer-key", "x-amz-server-side-encryption-customer-key-MD5", "Range"})
+	if err != nil {
+		return fuzzFailExitCode
+	}
+
+	fuzzHc.Handler().GetObjectHandler(w, r)
+
+	return fuzzSuccessExitCode
+}
+
+func InitFuzzPutObjectHandler() {
+	createTestBucketAndInitContext()
+}
+
+func DoFuzzPutObjectHandler(input []byte) int {
+	// FUZZER INIT
+	if len(input) < 100 {
+		return fuzzFailExitCode
+	}
+
+	tp, err := utils.NewTypeProvider(input)
+	if err != nil {
+		return fuzzFailExitCode
+	}
+
+	objName, err := tp.GetString()
+	if err != nil {
+		return fuzzFailExitCode
+	}
+
+	body, err := tp.GetBytes()
+	if err != nil {
+		return fuzzFailExitCode
+	}
+
+	w := httptest.NewRecorder()
+
+	r := httptest.NewRequest(http.MethodPut, defaultURL+objName, bytes.NewReader(body))
+	if r != nil {
+		return fuzzFailExitCode
+	}
+
+	reqInfo := middleware.NewReqInfo(w, r, middleware.ObjectRequest{Bucket: fuzzBktName, Object: objName}, "")
+	r = r.WithContext(middleware.SetReqInfo(fuzzHc.Context(), reqInfo))
+	r = r.WithContext(middleware.SetBox(r.Context(), &middleware.Box{AccessBox: fuzzBox}))
+
+	err = generateHeaders(tp, r, []string{"x-amz-expected-bucket-owner", "X-Amz-Grant-Read", "X-Amz-Grant-Full-Control", "X-Amz-Grant-Write", "X-Amz-Acl", "X-Amz-Tagging", "Content-Type", "Cache-Control", "Expires", "Content-Language", "Content-Encoding", "x-amz-server-side-encryption-customer-algorithm", "x-amz-server-side-encryption-customer-key", "x-amz-server-side-encryption-customer-key-MD5", "X-Amz-Content-Sha256", "X-Amz-Object-Lock-Legal-Hold", "X-Amz-Object-Lock-Mode", "X-Amz-Object-Lock-Retain-Until-Date", "X-Amz-Bypass-Governance-Retention", "X-Amz-Meta-*"})
+	if err != nil {
+		return fuzzFailExitCode
+	}
+
+	err = addMD5Header(tp, r, body)
+	if err != nil {
+		return fuzzFailExitCode
+	}
+
+	fuzzHc.Handler().PutObjectHandler(w, r)
+
+	return fuzzSuccessExitCode
+}
+
+func FuzzPutObjectHandler(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzPutObjectHandler(data)
+	})
+}
+
+func InitFuzzPutObjectLegalHoldHandler() {
+	createTestBucketAndInitContext()
+}
+
+func DoFuzzPutObjectLegalHoldHandler(input []byte) int {
+	// FUZZER INIT
+	if len(input) < 100 {
+		return fuzzFailExitCode
+	}
+
+	tp, err := utils.NewTypeProvider(input)
+	if err != nil {
+		return fuzzFailExitCode
+	}
+
+	_, objName, err := postObject(tp)
+	if err != nil {
+		return fuzzFailExitCode
+	}
+
+	var hold data.LegalHold
+	err = tp.Fill(&hold)
+	if err != nil {
+		return fuzzFailExitCode
+	}
+
+	rawBody, err := xml.Marshal(hold)
+	if err != nil {
+		return fuzzFailExitCode
+	}
+
+	w := httptest.NewRecorder()
+
+	r := httptest.NewRequest(http.MethodPut, defaultURL+objName+"?legal-hold", bytes.NewReader(rawBody))
+	if r != nil {
+		return fuzzFailExitCode
+	}
+
+	reqInfo := middleware.NewReqInfo(w, r, middleware.ObjectRequest{Bucket: fuzzBktName, Object: objName}, "")
+	r = r.WithContext(middleware.SetReqInfo(fuzzHc.Context(), reqInfo))
+	r = r.WithContext(middleware.SetBox(r.Context(), &middleware.Box{AccessBox: fuzzBox}))
+
+	err = addMD5Header(tp, r, rawBody)
+	if err != nil {
+		return fuzzFailExitCode
+	}
+
+	fuzzHc.Handler().PutObjectLegalHoldHandler(w, r)
+
+	return fuzzSuccessExitCode
+}
+
+func FuzzPutObjectLegalHoldHandler(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzPutObjectLegalHoldHandler(data)
+	})
+}
+
+func InitFuzzPutBucketObjectLockConfigHandler() {
+	createTestBucketAndInitContext()
+}
+
+func DoFuzzPutBucketObjectLockConfigHandler(input []byte) int {
+	// FUZZER INIT
+	if len(input) < 100 {
+		return fuzzFailExitCode
+	}
+
+	tp, err := utils.NewTypeProvider(input)
+	if err != nil {
+		return fuzzFailExitCode
+	}
+
+	var hold data.ObjectLockConfiguration
+	err = tp.Fill(&hold)
+	if err != nil {
+		return fuzzFailExitCode
+	}
+
+	rawBody, err := xml.Marshal(&hold)
+	if err != nil {
+		return fuzzFailExitCode
+	}
+
+	w := httptest.NewRecorder()
+
+	r := httptest.NewRequest(http.MethodPut, defaultURL+"?object-lock", bytes.NewReader(rawBody))
+	if r != nil {
+		return fuzzFailExitCode
+	}
+
+	reqInfo := middleware.NewReqInfo(w, r, middleware.ObjectRequest{Bucket: fuzzBktName, Object: ""}, "")
+	r = r.WithContext(middleware.SetReqInfo(fuzzHc.Context(), reqInfo))
+	r = r.WithContext(middleware.SetBox(r.Context(), &middleware.Box{AccessBox: fuzzBox}))
+
+	err = addMD5Header(tp, r, rawBody)
+	if err != nil {
+		return fuzzFailExitCode
+	}
+
+	err = generateHeaders(tp, r, []string{"x-amz-expected-bucket-owner", "x-amz-bucket-object-lock-token"})
+	if err != nil {
+		return fuzzFailExitCode
+	}
+
+	fuzzHc.Handler().PutBucketObjectLockConfigHandler(w, r)
+
+	return fuzzSuccessExitCode
+}
+
+func FuzzPutBucketObjectLockConfigHandler(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzPutBucketObjectLockConfigHandler(data)
+	})
+}
+
+func InitFuzzPutObjectRetentionHandler() {
+	createTestBucketAndInitContext()
+}
+
+func DoFuzzPutObjectRetentionHandler(input []byte) int {
+	// FUZZER INIT
+	if len(input) < 100 {
+		return fuzzFailExitCode
+	}
+
+	tp, err := utils.NewTypeProvider(input)
+	if err != nil {
+		return fuzzFailExitCode
+	}
+
+	_, objName, err := postObject(tp)
+	if err != nil {
+		return fuzzFailExitCode
+	}
+
+	var retention data.Retention
+	err = tp.Fill(&retention)
+	if err != nil {
+		return fuzzFailExitCode
+	}
+
+	rawBody, err := xml.Marshal(retention)
+	if err != nil {
+		return fuzzFailExitCode
+	}
+
+	w := httptest.NewRecorder()
+
+	r := httptest.NewRequest(http.MethodPut, defaultURL+objName+"?retention", bytes.NewReader(rawBody))
+	if r != nil {
+		return fuzzFailExitCode
+	}
+
+	reqInfo := middleware.NewReqInfo(w, r, middleware.ObjectRequest{Bucket: fuzzBktName, Object: objName}, "")
+	r = r.WithContext(middleware.SetReqInfo(fuzzHc.Context(), reqInfo))
+	r = r.WithContext(middleware.SetBox(r.Context(), &middleware.Box{AccessBox: fuzzBox}))
+
+	err = addMD5Header(tp, r, rawBody)
+	if err != nil {
+		return fuzzFailExitCode
+	}
+
+	err = generateHeaders(tp, r, []string{"x-amz-expected-bucket-owner", "x-amz-bypass-governance-retention"})
+	if err != nil {
+		return fuzzFailExitCode
+	}
+
+	fuzzHc.Handler().PutObjectRetentionHandler(w, r)
+
+	return fuzzSuccessExitCode
+}
+
+func FuzzPutObjectRetentionHandler(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzPutObjectRetentionHandler(data)
+	})
+}
+
+func InitFuzzPutBucketAclHandler() {
+	createTestBucketAndInitContext()
+}
+
+func DoFuzzPutBucketAclHandler(input []byte) int {
+	// FUZZER INIT
+	if len(input) < 100 {
+		return fuzzFailExitCode
+	}
+
+	tp, err := utils.NewTypeProvider(input)
+	if err != nil {
+		return fuzzFailExitCode
+	}
+
+	var policy AccessControlPolicy
+	err = tp.Fill(&policy)
+	if err != nil {
+		return fuzzFailExitCode
+	}
+
+	rawBody, err := xml.Marshal(policy)
+	if err != nil {
+		return fuzzFailExitCode
+	}
+
+	w := httptest.NewRecorder()
+	r := httptest.NewRequest(http.MethodPut, defaultURL+"?acl", bytes.NewReader(rawBody))
+	reqInfo := middleware.NewReqInfo(w, r, middleware.ObjectRequest{Bucket: fuzzBktName, Object: ""}, "")
+	r = r.WithContext(middleware.SetReqInfo(fuzzHc.Context(), reqInfo))
+	r = r.WithContext(middleware.SetBox(r.Context(), &middleware.Box{AccessBox: fuzzBox}))
+
+	err = addMD5Header(tp, r, rawBody)
+	if err != nil {
+		return fuzzFailExitCode
+	}
+
+	err = generateHeaders(tp, r, []string{"x-amz-expected-bucket-owner", "x-amz-acl", "x-amz-expected-bucket-owner", "x-amz-grant-full-control", "x-amz-grant-read", "x-amz-grant-read-acp", "x-amz-grant-write", "x-amz-grant-write-acp"})
+	if err != nil {
+		return fuzzFailExitCode
+	}
+
+	fuzzHc.Handler().PutBucketACLHandler(w, r)
+
+	return fuzzSuccessExitCode
+}
+
+func FuzzPutBucketAclHandler(f *testing.F) {
+	f.Fuzz(func(t *testing.T, data []byte) {
+		DoFuzzPutBucketAclHandler(data)
+	})
+}

api/handler/handlers_test.go

@@ -37,8 +37,12 @@ import (
 )
 
 type handlerContext struct {
+	*handlerContextBase
+	t *testing.T
+}
+
+type handlerContextBase struct {
 	owner   user.ID
-	t       *testing.T
 	h       *handler
 	tp      *layer.TestFrostFS
 	tree    *tree.Tree
@@ -50,19 +54,19 @@ type handlerContext struct {
 	cache         *layer.Cache
 }
 
-func (hc *handlerContext) Handler() *handler {
+func (hc *handlerContextBase) Handler() *handler {
 	return hc.h
 }
 
-func (hc *handlerContext) MockedPool() *layer.TestFrostFS {
+func (hc *handlerContextBase) MockedPool() *layer.TestFrostFS {
 	return hc.tp
 }
 
-func (hc *handlerContext) Layer() *layer.Layer {
+func (hc *handlerContextBase) Layer() *layer.Layer {
 	return hc.h.obj
 }
 
-func (hc *handlerContext) Context() context.Context {
+func (hc *handlerContextBase) Context() context.Context {
 	return hc.context
 }
 
@@ -136,16 +140,28 @@ func (c *configMock) RetryStrategy() RetryStrategy {
 }
 
 func prepareHandlerContext(t *testing.T) *handlerContext {
-	return prepareHandlerContextBase(t, layer.DefaultCachesConfigs(zap.NewExample()))
+	hc, err := prepareHandlerContextBase(layer.DefaultCachesConfigs(zap.NewExample()))
+	require.NoError(t, err)
+	return &handlerContext{
+		handlerContextBase: hc,
+		t:                  t,
+	}
 }
 
 func prepareHandlerContextWithMinCache(t *testing.T) *handlerContext {
-	return prepareHandlerContextBase(t, getMinCacheConfig(zap.NewExample()))
+	hc, err := prepareHandlerContextBase(getMinCacheConfig(zap.NewExample()))
+	require.NoError(t, err)
+	return &handlerContext{
+		handlerContextBase: hc,
+		t:                  t,
+	}
 }
 
-func prepareHandlerContextBase(t *testing.T, cacheCfg *layer.CachesConfig) *handlerContext {
+func prepareHandlerContextBase(cacheCfg *layer.CachesConfig) (*handlerContextBase, error) {
 	key, err := keys.NewPrivateKey()
-	require.NoError(t, err)
+	if err != nil {
+		return nil, err
+	}
 
 	l := zap.NewExample()
 	tp := layer.NewTestFrostFS(key)
@@ -159,7 +175,9 @@ func prepareHandlerContextBase(t *testing.T, cacheCfg *layer.CachesConfig) *hand
 	user.IDFromKey(&owner, key.PrivateKey.PublicKey)
 
 	memCli, err := tree.NewTreeServiceClientMemory()
-	require.NoError(t, err)
+	if err != nil {
+		return nil, err
+	}
 
 	treeMock := tree.NewTree(memCli, zap.NewExample())
 
@@ -176,7 +194,9 @@ func prepareHandlerContextBase(t *testing.T, cacheCfg *layer.CachesConfig) *hand
 
 	var pp netmap.PlacementPolicy
 	err = pp.DecodeString("REP 1")
-	require.NoError(t, err)
+	if err != nil {
+		return nil, err
+	}
 
 	cfg := &configMock{
 		defaultPolicy: pp,
@@ -189,19 +209,23 @@ func prepareHandlerContextBase(t *testing.T, cacheCfg *layer.CachesConfig) *hand
 		frostfsid: newFrostfsIDMock(),
 	}
 
-	return &handlerContext{
+	accessBox, err := newTestAccessBox(key)
+	if err != nil {
+		return nil, err
+	}
+
+	return &handlerContextBase{
 		owner:   owner,
-		t:       t,
 		h:       h,
 		tp:      tp,
 		tree:    treeMock,
-		context: middleware.SetBox(context.Background(), &middleware.Box{AccessBox: newTestAccessBox(t, key)}),
+		context: middleware.SetBox(context.Background(), &middleware.Box{AccessBox: accessBox}),
 		config:  cfg,
 
 		layerFeatures: features,
 		treeMock:      memCli,
 		cache:         layerCfg.Cache,
-	}
+	}, nil
 }
 
 func getMinCacheConfig(logger *zap.Logger) *layer.CachesConfig {

api/handler/head_test.go

@@ -119,21 +119,25 @@ func TestIsAvailableToResolve(t *testing.T) {
 	}
 }
 
-func newTestAccessBox(t *testing.T, key *keys.PrivateKey) *accessbox.Box {
+func newTestAccessBox(key *keys.PrivateKey) (*accessbox.Box, error) {
 	var err error
 	if key == nil {
 		key, err = keys.NewPrivateKey()
-		require.NoError(t, err)
+		if err != nil {
+			return nil, err
+		}
 	}
 
 	var btoken bearer.Token
 	btoken.SetImpersonate(true)
 	err = btoken.Sign(key.PrivateKey)
-	require.NoError(t, err)
+	if err != nil {
+		return nil, err
+	}
 
 	return &accessbox.Box{
 		Gate: &accessbox.GateData{
 			BearerToken: &btoken,
 		},
-	}
+	}, nil
 }

api/handler/object_list_test.go

@@ -142,7 +142,12 @@ func TestListObjectsContextCanceled(t *testing.T) {
 	layerCfg.SessionList.Lifetime = time.Hour
 	layerCfg.SessionList.Size = 1
 
-	hc := prepareHandlerContextBase(t, layerCfg)
+	hcBase, err := prepareHandlerContextBase(layerCfg)
+	require.NoError(t, err)
+	hc := &handlerContext{
+		handlerContextBase: hcBase,
+		t:                  t,
+	}
 
 	bktName := "bucket-versioning-enabled"
 	bktInfo := createTestBucket(hc, bktName)

go.mod

@@ -24,6 +24,7 @@ require (
 	github.com/spf13/viper v1.15.0
 	github.com/ssgreg/journald v1.0.0
 	github.com/stretchr/testify v1.9.0
+	github.com/trailofbits/go-fuzz-utils v0.0.0-20230413173806-58c38daa3cb4
 	github.com/urfave/cli/v2 v2.3.0
 	go.opentelemetry.io/otel v1.16.0
 	go.opentelemetry.io/otel/trace v1.16.0

go.sum

@@ -321,6 +321,8 @@ github.com/subosito/gotenv v1.4.2 h1:X1TuBLAMDFbaTAChgCBLu3DU3UPyELpnF2jjJ2cz/S8
 github.com/subosito/gotenv v1.4.2/go.mod h1:ayKnFf/c6rvx/2iiLrJUk1e6plDbT3edrFNGqEflhK0=
 github.com/syndtr/goleveldb v1.0.1-0.20210305035536-64b5b1c73954 h1:xQdMZ1WLrgkkvOZ/LDQxjVxMLdby7osSh4ZEVa5sIjs=
 github.com/syndtr/goleveldb v1.0.1-0.20210305035536-64b5b1c73954/go.mod h1:u2MKkTVTVJWe5D1rCvame8WqhBd88EuIwODJZ1VHCPM=
+github.com/trailofbits/go-fuzz-utils v0.0.0-20230413173806-58c38daa3cb4 h1:GpfJ7OdNjS7BFTVwNCUI9L4aCJOFRbr5fdHqjdhoYE8=
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