// policies applicable to the STS credential are associated with this "virtual"
// parent.
//
// When a policyName is given to this function, the policy association is
// created and stored in the IAM store. Thus, it should NOT be given for the
// role-arn case (because the role-to-policy mapping is separately stored
// elsewhere), the AssumeRole case (because the parent user is real and their

		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrAdminConfigIDPCfgNameAlreadyExists: {
		Code:           "XMinioAdminConfigIDPCfgNameAlreadyExists",
		Description:    "An IDP configuration with the given name already exists",
		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrAdminConfigIDPCfgNameDoesNotExist: {
		Code:           "XMinioAdminConfigIDPCfgNameDoesNotExist",

			s3Peer:           NewS3PeerSys(endpointServerPools),
			distributionAlgo: formatErasureVersionV3DistributionAlgoV3,
		}
	)

	// Maximum number of reusable buffers per node at any given point in time.
	n := uint64(1024) // single node single/multiple drives set this to 1024 entries

	if globalIsDistErasure {
		n = 2048
	}

	// Avoid allocating more than half of the available memory

		},
		// listMultipartResults - 23.
		// Testing for listing of 3 uploadID's for a given object
		// setting `prefix` to be "orange".
		// Will be used to list on bucketNames[1].
		{
			MaxUploads:  10,
			IsTruncated: false,
			Prefix:      "orange",
		},
		// listMultipartResults - 24.
		// Testing for listing of 3 uploadID's for a given object.
		// setting `prefix` to be "Asia".

	}
	testApps := testClientApps

	rolePolicies := []string{
		"", // Treated as claim-based provider as no role policy is given.
		"", // Treated as claim-based provider as no role policy is given.
	}

	for i, testCase := range iamTestSuites {
		t.Run(
			fmt.Sprintf("Test: %d, ServerType: %s", i+1, testCase.ServerTypeDescription),
			func(t *testing.T) {

	}

	// Calculate endOffset according to length
	endOffset := startOffset
	if length > 0 {
		endOffset += length - 1
	}

	// Get last part index to read given length.
	lastPartIndex, _, err := fi.ObjectToPartOffset(ctx, endOffset)
	if err != nil {
		return InvalidRange{startOffset, length, fi.Size}
	}

	var totalBytesRead int64

	// Save signature finally.
	req.URL.RawQuery += "&Signature=" + url.QueryEscape(signature)
	return nil
}

// Sign given request using Signature V2.
func signRequestV2(req *http.Request, accessKey, secretKey string) error {
	signer.SignV2(*req, accessKey, secretKey, false)
	return nil
}

// Sign given request using Signature V4.
func signRequestV4(req *http.Request, accessKey, secretKey string) error {
	// Get hashed payload.

	cache.removeGroupFromMembershipsMap(group)
	cache.updateGroupMembershipsMap(group, &gi)
	cache.updatedAt = time.Now()
	return nil
}

// PolicyDBGet - fetches policies associated with the given user or group, and
// additional groups if provided.
func (store *IAMStoreSys) PolicyDBGet(name string, groups ...string) ([]string, error) {
	if name == "" {
		return nil, errInvalidArgument
	}

	immediatePurge chan string

	// mutex to prevent concurrent read operations overloading walks.
	rotational bool
	walkMu     *sync.Mutex
	walkReadMu *sync.Mutex
}

// checkPathLength - returns error if given path name length more than 255
func checkPathLength(pathName string) error {
	// Apple OS X path length is limited to 1016
	if runtime.GOOS == "darwin" && len(pathName) > 1016 {
		return errFileNameTooLong
	}

		n, err := io.CopyN(xioutil.Discard, r.Body, 128*humanize.KiByte)
		atomic.AddUint64(&globalNetPerfRX.RX, uint64(n))
		if err != nil && err != io.EOF {
			// If there is a disconnection before globalNetPerfMinDuration (we give a margin of error of 1 sec)
			// would mean the network is not stable. Logging here will help in debugging network issues.
			if time.Since(connectTime) < (globalNetPerfMinDuration - time.Second) {
				peersLogIf(ctx, err)