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
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
|
package defaults
import (
"math/rand"
"os"
"os/exec"
"path/filepath"
"syscall"
"testing"
"time"
"golang.org/x/sys/unix"
"github.com/pkg/xattr"
"github.com/rfjakob/gocryptfs/v2/tests/test_helpers"
)
// https://github.com/rfjakob/gocryptfs/issues/543
func TestCpA(t *testing.T) {
fn1 := filepath.Join(test_helpers.TmpDir, t.Name())
fn2 := filepath.Join(test_helpers.DefaultPlainDir, t.Name())
rand.Seed(int64(time.Now().Nanosecond()))
{
// Need unrestricted umask
old := syscall.Umask(000)
defer syscall.Umask(old)
}
for i := 0; i < 10; i++ {
// Random permissions (except owner read, which cp needs)
var modeWant os.FileMode = os.FileMode(rand.Int31n(0777+1) | 0400)
// Create file outside mount
err := os.WriteFile(fn1, nil, modeWant)
if err != nil {
t.Fatal(err)
}
// Verify perms (umask problems?)
fi, err := os.Stat(fn1)
if err != nil {
t.Fatal(err)
}
if fi.Mode() != modeWant {
t.Errorf("os.WriteFile created wrong permissions: want %o have %o", modeWant, fi.Mode())
}
// "cp -a" from outside to inside mount
c := exec.Command("cp", "-a", fn1, fn2)
c.Stderr = os.Stderr
c.Stdout = os.Stdout
err = c.Run()
if err != nil {
t.Fatal(err)
}
// Check perms
fi, err = os.Stat(fn2)
if err != nil {
t.Fatal(err)
}
if fi.Mode() != modeWant {
t.Errorf("cp -a did not preserve permissions: want %o have %o", modeWant, fi.Mode())
}
syscall.Unlink(fn1)
syscall.Unlink(fn2)
}
}
func getfacl(fn string) (string, error) {
c := exec.Command("getfacl", "-c", "--", fn)
out, err := c.Output()
return string(out), err
}
// https://github.com/rfjakob/gocryptfs/issues/543
func TestAcl543(t *testing.T) {
fn1 := test_helpers.TmpDir + "/TestAcl543"
fn2 := test_helpers.DefaultPlainDir + "/TestAcl543"
var c *exec.Cmd
var modeWant os.FileMode = 0777
{
// Need unrestricted umask
old := syscall.Umask(000)
defer syscall.Umask(old)
}
// Set acl on file outside gocryptfs mount
err := os.WriteFile(fn1, nil, modeWant)
if err != nil {
t.Fatal(err)
}
c = exec.Command("setfacl", "-m", "u:daemon:rwx", fn1)
c.Stderr = os.Stderr
c.Stdout = os.Stdout
err = c.Run()
if err != nil {
t.Skip(err)
}
aclWant, err := getfacl(fn1)
if err != nil {
t.Fatal(err)
}
fi, err := os.Stat(fn1)
if err != nil {
t.Fatal(err)
}
if fi.Mode() != modeWant {
t.Fatalf("mode changed from %o to %o", modeWant, fi.Mode())
}
// Set acl on file inside gocryptfs mount
err = os.WriteFile(fn2, nil, modeWant)
if err != nil {
t.Fatal(err)
}
c = exec.Command("setfacl", "-m", "u:daemon:rwx", fn2)
c.Stderr = os.Stderr
c.Stdout = os.Stdout
err = c.Run()
if err != nil {
t.Fatal(err)
}
aclHave1, err := getfacl(fn1)
if err != nil {
t.Fatal(err)
}
if aclHave1 != aclWant {
t.Error(aclHave1)
}
os.Remove(fn2)
// "cp -a" from outside to inside mount
c = exec.Command("cp", "-a", fn1, fn2)
c.Stderr = os.Stderr
c.Stdout = os.Stdout
err = c.Run()
if err != nil {
t.Fatal(err)
}
fi, err = os.Stat(fn2)
if err != nil {
t.Fatal(err)
}
if fi.Mode() != modeWant {
t.Errorf("cp -a did not preserve permissions: want %o have %o", modeWant, fi.Mode())
}
aclHave2, err := getfacl(fn2)
if err != nil {
t.Fatal(err)
}
if aclHave2 != aclWant {
t.Errorf("cp -a did not preserve acl: %q", aclHave1)
}
}
// Check that we handle zero-sized and undersized buffers correctly
func TestXattrOverflow(t *testing.T) {
fn := filepath.Join(test_helpers.DefaultPlainDir, t.Name())
os.WriteFile(fn, nil, 0600)
attr := "user.foo123"
val := []byte("12341234")
err := xattr.LSet(fn, attr, val)
if err != nil {
t.Skip(err)
}
// Getxattr
sz, err := unix.Lgetxattr(fn, attr, nil)
if err != nil {
t.Error(err)
}
if sz != len(val) {
t.Errorf("wrong sz: want %d have %d", len(val), sz)
}
_, err = unix.Lgetxattr(fn, attr, make([]byte, 1))
if err != syscall.ERANGE {
t.Error(err)
}
// Listxattr
szWant, err := unix.Llistxattr(fn, make([]byte, 64*1024))
if err != nil {
t.Fatal(err)
}
sz, err = unix.Llistxattr(fn, nil)
if err != nil {
t.Error(err)
}
if sz != szWant {
t.Errorf("wrong sz: want %d have %d", szWant, sz)
}
_, err = unix.Llistxattr(fn, make([]byte, 1))
if err != syscall.ERANGE {
t.Error(err)
}
}
|
