diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 13:14:23 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 13:14:23 +0000 |
commit | 73df946d56c74384511a194dd01dbe099584fd1a (patch) | |
tree | fd0bcea490dd81327ddfbb31e215439672c9a068 /src/os/user/user.go | |
parent | Initial commit. (diff) | |
download | golang-1.16-73df946d56c74384511a194dd01dbe099584fd1a.tar.xz golang-1.16-73df946d56c74384511a194dd01dbe099584fd1a.zip |
Adding upstream version 1.16.10.upstream/1.16.10upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/os/user/user.go')
-rw-r--r-- | src/os/user/user.go | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/src/os/user/user.go b/src/os/user/user.go new file mode 100644 index 0000000..c1b8101 --- /dev/null +++ b/src/os/user/user.go @@ -0,0 +1,90 @@ +// Copyright 2011 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +/* +Package user allows user account lookups by name or id. + +For most Unix systems, this package has two internal implementations of +resolving user and group ids to names. One is written in pure Go and +parses /etc/passwd and /etc/group. The other is cgo-based and relies on +the standard C library (libc) routines such as getpwuid_r and getgrnam_r. + +When cgo is available, cgo-based (libc-backed) code is used by default. +This can be overridden by using osusergo build tag, which enforces +the pure Go implementation. +*/ +package user + +import ( + "strconv" +) + +var ( + userImplemented = true // set to false by lookup_stubs.go's init + groupImplemented = true // set to false by lookup_stubs.go's init +) + +// 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 +} + +// 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 +} + +// UnknownUserIdError is returned by LookupId when a user cannot be found. +type UnknownUserIdError int + +func (e UnknownUserIdError) Error() string { + return "user: unknown userid " + strconv.Itoa(int(e)) +} + +// UnknownUserError is returned by Lookup when +// a user cannot be found. +type UnknownUserError string + +func (e UnknownUserError) Error() string { + return "user: unknown user " + string(e) +} + +// UnknownGroupIdError is returned by LookupGroupId when +// a group cannot be found. +type UnknownGroupIdError string + +func (e UnknownGroupIdError) Error() string { + return "group: unknown groupid " + string(e) +} + +// UnknownGroupError is returned by LookupGroup when +// a group cannot be found. +type UnknownGroupError string + +func (e UnknownGroupError) Error() string { + return "group: unknown group " + string(e) +} |