return errors.New("update already in progress")
	}
	defer updateInProgress.Store(0)

	transport := getUpdateTransport(30 * time.Second)
	opts := selfupdate.Options{
		Hash:     crypto.SHA256,
		Checksum: sha256Sum,
	}

	if err := opts.CheckPermissions(); err != nil {
		return AdminError{
			Code:       AdminUpdateApplyFailure,

		HTTPStatusCode: http.StatusLengthRequired,
	},
	ErrMissingContentMD5: {
		Code:           "MissingContentMD5",
		Description:    "Missing or invalid required header for this request: Content-Md5 or Amz-Content-Checksum",
		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrMissingSecurityHeader: {
		Code:           "MissingSecurityHeader",
		Description:    "Your request was missing a required header",

pkg debug/pe, method (*File) COFFSymbolReadSectionDefAux(int) (*COFFSymbolAuxFormat5, error) #51868
pkg debug/pe, type COFFSymbolAuxFormat5 struct #51868
pkg debug/pe, type COFFSymbolAuxFormat5 struct, Checksum uint32 #51868
pkg debug/pe, type COFFSymbolAuxFormat5 struct, NumLineNumbers uint16 #51868
pkg debug/pe, type COFFSymbolAuxFormat5 struct, NumRelocs uint16 #51868

		argumentName = strings.ToLower(xhttp.AmzObjectAttributes)
		valid = false
		return
	}

	for tag := range opts.ObjectAttributes {
		switch tag {
		case xhttp.ETag:
		case xhttp.Checksum:
		case xhttp.StorageClass:
		case xhttp.ObjectSize:
		case xhttp.ObjectParts:
		default:
			apiErr = errorCodes.ToAPIErr(ErrInvalidAttributeName)
			argumentName = strings.ToLower(xhttp.AmzObjectAttributes)

	"strings"
	"testing"
	"time"
)

func TestReader(t *testing.T) {
	vectors := []struct {
		file    string    // Test input file
		headers []*Header // Expected output headers
		chksums []string  // CRC32 checksum of files, leave as nil if not checked
		err     error     // Expected error to occur
	}{{
		file: "testdata/gnu.tar",
		headers: []*Header{{
			Name:     "small.txt",
			Mode:     0640,
			Uid:      73025,

        </field>
        <field>
          <name>checksumPolicy</name>
          <version>1.0.0+</version>
          <description>
            What to do when verification of an artifact checksum fails. Valid values are "fail" (default for Maven 4 and
            above), "warn" (default for Maven 3) or "ignore".
          </description>
          <type>String</type>
        </field>
      </fields>

// than 16 MiB. We must not accept arbitrary large chunks.
// One 16 MiB is a reasonable max limit.
//
// Then we read the signature and payload data. We compute the SHA256 checksum
// of the payload and verify that it matches the expected signature value.
//
// The last chunk is *always* 0-sized. So, we must only return io.EOF if we have encountered

		// With invalid crc32.
		33: {
			bucketName: bucket, objName: object, inputData: []byte("abcd"),
			inputMeta:     map[string]string{"etag": "e2fc714c4727ee9395f324cd2e7f331f", "x-amz-checksum-crc32": "abcd"},
			inputDataSize: int64(len("abcd")),
		},
	}
	for i, testCase := range testCases {

		writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrInvalidChecksum), r.URL)
		return
	} else if checksumType.IsSet() && !checksumType.Is(hash.ChecksumTrailing) {
		opts.WantChecksum = &hash.Checksum{Type: checksumType}
	}

	if opts.WantChecksum != nil {
		opts.WantChecksum.Type |= hash.ChecksumMultipart | hash.ChecksumIncludesMultipart
	}

	newMultipartUpload := objectAPI.NewMultipartUpload

	EncodingType string `xml:"EncodingType,omitempty"`
}

// Part container for part metadata.
type Part struct {
	PartNumber   int
	LastModified string
	ETag         string
	Size         int64

	// Checksum values
	ChecksumCRC32     string `xml:"ChecksumCRC32,omitempty"`
	ChecksumCRC32C    string `xml:"ChecksumCRC32C,omitempty"`
	ChecksumSHA1      string `xml:"ChecksumSHA1,omitempty"`