// error returned in IAM subsystem when groups doesn't exist.
var errNoSuchGroup = errors.New("Specified group does not exist")

// error returned in IAM subsystem when a policy attach/detach request has no
// net effect, i.e. it is already applied.
var errNoPolicyToAttachOrDetach = errors.New("Specified policy update has no net effect")

// error returned in IAM subsystem when a non-empty group needs to be

			HandlerFunc(adminMiddleware(adminAPI.SetPolicyForUserOrGroup)).
			Queries("policyName", "{policyName:.*}", "userOrGroup", "{userOrGroup:.*}", "isGroup", "{isGroup:true|false}")

		// Attach/Detach policies to/from user or group
		adminRouter.Methods(http.MethodPost).Path(adminVersion + "/idp/builtin/policy/{operation}").HandlerFunc(adminMiddleware(adminAPI.AttachDetachPolicyBuiltin))

		// Remove user IAM

		return nil
	}

	gi := cache.iamGroupsMap[group]

	// Updating the group memberships cache happens in two steps:
	//
	// 1. Remove the group from each user's list of memberships.
	// 2. Add the group to each member's list of memberships.
	//
	// This ensures that regardless of members being added or
	// removed, the cache stays current.
	cache.removeGroupFromMembershipsMap(group)

		return
	}

	// Validate operation
	operation := mux.Vars(r)["operation"]
	if operation != "attach" && operation != "detach" {
		writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrAdminInvalidArgument), r.URL)
		return
	}

	isAttach := operation == "attach"

	// Validate API arguments in body.
	password := cred.SecretKey

	var isGroup bool
	if r.User != "" {
		dn, err = sys.LDAPConfig.GetValidatedDNForUsername(r.User)
		if err != nil {
			iamLogIf(ctx, err)
			return
		}
		if dn == "" {
			// Still attempt to detach if provided user is a DN.
			if !isAttach && sys.LDAPConfig.IsLDAPUserDN(r.User) {
				dn = r.User
			} else {
				err = errNoSuchUser
				return
			}
		}
		isGroup = false
	} else {

	"runtime/debug"
	"sort"
	"strings"
	"time"
)

const (
	// deadline (in seconds) up to which the go routine leak detection has to be retried.
	leakDetectDeadline = 5
	// pause time (in milliseconds) between each snapshot at the end of the go routine leak detection.
	leakDetectPauseTimeMs = 50
)

// LeakDetect - type with  methods for go routine leak detection.
type LeakDetect struct {
	relevantRoutines map[string]bool
}

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

//go:build ignore

// detect attempts to autodetect the correct
// values of the environment variables
// used by go_ios_exec.
// detect shells out to ideviceinfo, a third party program that can
// be obtained by following the instructions at
// https://github.com/libimobiledevice/libimobiledevice.

type DelMarkerExpiration struct {
	XMLName xml.Name `xml:"DelMarkerExpiration"`
	Days    int      `xml:"Days,omitempty"`
}

// Empty returns if a DelMarkerExpiration XML element is empty.
// Used to detect if lifecycle.Rule contained a DelMarkerExpiration element.
func (de DelMarkerExpiration) Empty() bool {
	return de.Days == 0
}

// UnmarshalXML decodes a single XML element into a DelMarkerExpiration value

	}

	// Split on dot and check each piece conforms to rules.
	allNumbers := true
	pieces := strings.Split(bucket, dnsDelimiter)
	for _, piece := range pieces {
		if len(piece) == 0 || piece[0] == '-' ||
			piece[len(piece)-1] == '-' {
			// Current piece has 0-length or starts or
			// ends with a hyphen.
			return false
		}
		// Now only need to check if each piece is a valid

			apiErr.Code, apiErr.Description)
	}
)

// healSequenceStatus - accumulated status of the heal sequence
type healSequenceStatus struct {
	// summary and detail for failures
	Summary       healStatusSummary `json:"Summary"`
	FailureDetail string            `json:"Detail,omitempty"`
	StartTime     time.Time         `json:"StartTime"`

	// settings for the heal sequence
	HealSettings madmin.HealOpts `json:"Settings"`