Package user allows user account lookups by name or id.
getgrouplist_unix.go listgroups_unix.go lookup.go lookup_unix.go user.go
Group represents a grouping of users.
On POSIX systems Gid contains a decimal number representing the group ID.
type Group struct {
Gid string // group ID
Name string // group name
} func LookupGroup(name string) (*Group, error)
LookupGroup looks up a group by name. If the group cannot be found, the returned error is of type UnknownGroupError.
func LookupGroupId(gid string) (*Group, error)
LookupGroupId looks up a group by groupid. If the group cannot be found, the returned error is of type UnknownGroupIdError.
UnknownGroupError is returned by LookupGroup when a group cannot be found.
type UnknownGroupError string
func (e UnknownGroupError) Error() string
UnknownGroupIdError is returned by LookupGroupId when a group cannot be found.
type UnknownGroupIdError string
func (e UnknownGroupIdError) Error() string
UnknownUserError is returned by Lookup when a user cannot be found.
type UnknownUserError string
func (e UnknownUserError) Error() string
UnknownUserIdError is returned by LookupId when a user cannot be found.
type UnknownUserIdError int
func (e UnknownUserIdError) Error() string
User represents a user account.
type User struct {
// Uid is the user ID.
// On POSIX systems, this is a decimal number representing the uid.
// On Windows, this is a security identifier (SID) in a string format.
// On Plan 9, this is the contents of /dev/user.
Uid string
// Gid is the primary group ID.
// On POSIX systems, this is a decimal number representing the gid.
// On Windows, this is a SID in a string format.
// On Plan 9, this is the contents of /dev/user.
Gid string
// Username is the login name.
Username string
// Name is the user's real or display name.
// It might be blank.
// On POSIX systems, this is the first (or only) entry in the GECOS field
// list.
// On Windows, this is the user's display name.
// On Plan 9, this is the contents of /dev/user.
Name string
// HomeDir is the path to the user's home directory (if they have one).
HomeDir string
} func Current() (*User, error)
Current returns the current user.
func Lookup(username string) (*User, error)
Lookup looks up a user by username. If the user cannot be found, the returned error is of type UnknownUserError.
func LookupId(uid string) (*User, error)
LookupId looks up a user by userid. If the user cannot be found, the returned error is of type UnknownUserIdError.
func (u *User) GroupIds() ([]string, error)
GroupIds returns the list of group IDs that the user is a member of.
© Google, Inc.
Licensed under the Creative Commons Attribution License 3.0.
https://golang.org/pkg/os/user/