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
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
|
//go:build linuxacl
package permissions
import (
"os"
"os/exec"
"os/user"
"strings"
"testing"
)
const (
setfacl string = "/usr/bin/setfacl"
file string = "/tmp/acltest"
)
func TestLinuxACL(t *testing.T) {
setfacl := "/usr/bin/setfacl"
file := "/tmp/acltest"
// Delete file if it exists.
if _, err := os.Stat(file); err == nil {
os.Remove(file)
}
f, err := os.Create(file)
if err != nil {
t.Errorf("%v", err)
}
defer func() {
f.Close()
//os.Remove(file)
}()
user, err := user.Current()
if err != nil {
t.Errorf("Unable to retrieve current user: %v", err)
}
// Test 1: Remove all permissions and perform a permission check
cmd := exec.Command(setfacl, "-b", "-m", "u::---,g::---,o::---", file)
if err := cmd.Run(); err != nil {
t.Errorf("%s -> %v", strings.Join(cmd.Args, " "), err)
}
if ok, _ := ToRead(user.Username, file); ok {
t.Errorf("Didn't expect permissions to read file!")
}
// Test 2: Add read permission to file owner
cmd = exec.Command(setfacl, "-b", "-m", "u::r--,g::---,o::---", file)
if err := cmd.Run(); err != nil {
t.Errorf("%s -> %v", strings.Join(cmd.Args, " "), err)
}
if ok, err := ToRead(user.Username, file); !ok {
t.Errorf("Expected permissions to read file: %v", err)
}
// Test 3: Add read permission to file group
cmd = exec.Command(setfacl, "-b", "-m", "u::---,g::r--,o::---", file)
if err := cmd.Run(); err != nil {
t.Errorf("%s -> %v", strings.Join(cmd.Args, " "), err)
}
if ok, err := ToRead(user.Username, file); !ok {
t.Errorf("Expected permissions to read file: %v", err)
}
// Test 4: Add read permission to others
cmd = exec.Command(setfacl, "-b", "-m", "u::---,g::---,o::r--", file)
if err := cmd.Run(); err != nil {
t.Errorf("%s -> %v", strings.Join(cmd.Args, " "), err)
}
if ok, err := ToRead(user.Username, file); !ok {
t.Errorf("Expected permissions to read file: %v", err)
}
// Test 5: Remove read permission from mask
cmd = exec.Command(setfacl, "-m", "m::---", file)
if err := cmd.Run(); err != nil {
t.Errorf("%s -> %v", strings.Join(cmd.Args, " "), err)
}
if ok, _ := ToRead(user.Username, file); ok {
t.Errorf("Didn't expect permissions to read file!")
}
cmd = exec.Command(setfacl, "-m", "m::r--", file)
if err := cmd.Run(); err != nil {
t.Errorf("%s -> %v", strings.Join(cmd.Args, " "), err)
}
// Test 6: Add read permission to specific group
cmd = exec.Command(setfacl, "-b", "-m", "u::---,g:"+user.Username+":r--,o::---", file)
if err := cmd.Run(); err != nil {
t.Errorf("%s -> %v", strings.Join(cmd.Args, " "), err)
}
if ok, err := ToRead(user.Username, file); !ok {
t.Errorf("Expected permissions to read file for user %v: %v", user.Username, err)
}
// Test 7: Remove all permissions but mask
cmd = exec.Command(setfacl, "-b", "-m", "u::---,g::---,o::---", file)
if err := cmd.Run(); err != nil {
t.Errorf("%s -> %v", strings.Join(cmd.Args, " "), err)
}
cmd = exec.Command(setfacl, "-m", "m::r--", file)
if err := cmd.Run(); err != nil {
t.Errorf("%s -> %v", strings.Join(cmd.Args, " "), err)
}
if ok, _ := ToRead(user.Username, file); ok {
t.Errorf("Didn't expect permissions to read file!")
}
}
|
