osuser

package

v1.1.0 Latest Latest Go to latest Published: Oct 11, 2022 License: MIT Imports: 10 Imported by: 0

Details

Valid go.mod file
Redistributable license
Tagged version
Stable version
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Repository

github.com/0xef53/kvmrun

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Documentation ¶

Index ¶

Constants
Variables
func CreateUser(name string) (int, error)
func RemoveUser(name string) error
type FileLocker
- func NewLocker(filepath string) (*FileLocker, error)
- func (l *FileLocker) Acquire(timeout time.Duration) error
- func (l *FileLocker) Release()

Constants ¶

View Source

const (
	MIN_UID = 1024
	MAX_UID = 65534
)

Variables ¶

View Source

var (
	ErrEmptyPasswd     = errors.New("empty passwd file")
	ErrNoAvailableUids = errors.New("no available UIDs in passwd file")
)

View Source

var (
	ErrAcquireLock = errors.New("Could not acquire lock")
)

Functions ¶

func CreateUser ¶

func CreateUser(name string) (int, error)

CreateUser creates a new user with the first vacant UID.

func RemoveUser ¶

func RemoveUser(name string) error

RemoveUser deletes an existing user.

Types ¶

type FileLocker ¶

type FileLocker struct {
	// contains filtered or unexported fields
}

FileLocker is the structure that wraps exclusive file locking functionality.

func NewLocker ¶

func NewLocker(filepath string) (*FileLocker, error)

NewLocker creates new locker instance for a file path.

func (*FileLocker) Acquire ¶

func (l *FileLocker) Acquire(timeout time.Duration) error

Acquire tries to lock the file for writing (exclusive lock) using flock(2). If the function cannot obtain a lock during the timeout it will return an error.

func (*FileLocker) Release ¶

func (l *FileLocker) Release()

Release releases the lock on the file.

Source Files ¶

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