1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
|
// -*- Mode: Go; indent-tabs-mode: t -*-
//go:build snapdusergo
/*
* Copyright (C) 2024 Canonical Ltd
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
package user
import (
"os"
"strconv"
osuser "os/user"
)
type (
User = osuser.User
Group = osuser.Group
UnknownUserError = osuser.UnknownUserError
UnknownUserIdError = osuser.UnknownUserIdError
UnknownGroupError = osuser.UnknownGroupError
)
const GetentBased = true
// Current returns the current user
func Current() (*User, error) {
u, err := lookupUserFromGetent(userMatchUid(os.Getuid()))
if u == nil && err == nil {
return nil, UnknownUserIdError(os.Getuid())
}
return u, err
}
// Lookup looks up a user by username
func Lookup(username string) (*User, error) {
u, err := lookupUserFromGetent(userMatchUsername(username))
if u == nil && err == nil {
return nil, UnknownUserError(username)
}
return u, err
}
// Lookup looks up a user by uid
func LookupId(uid string) (*User, error) {
uidn, err := strconv.Atoi(uid)
if err != nil {
return nil, UnknownUserError(uid)
}
u, err := lookupUserFromGetent(userMatchUid(uidn))
if u == nil && err == nil {
return nil, UnknownUserIdError(uidn)
}
return u, err
}
// Lookup looks up a group by group name
func LookupGroup(groupname string) (*Group, error) {
g, err := lookupGroupFromGetent(groupMatchGroupname(groupname))
if g == nil && err == nil {
return nil, UnknownGroupError(groupname)
}
return g, err
}
|
