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
|
// Tests and benchmarks performed with default settings only.
package defaults
import (
"bytes"
"io"
"os"
"os/exec"
"runtime"
"sync"
"syscall"
"testing"
"github.com/rfjakob/gocryptfs/internal/ctlsock"
"github.com/rfjakob/gocryptfs/tests/test_helpers"
)
func TestMain(m *testing.M) {
test_helpers.ResetTmpDir(true)
test_helpers.MountOrExit(test_helpers.DefaultCipherDir, test_helpers.DefaultPlainDir, "-zerokey")
r := m.Run()
test_helpers.UnmountPanic(test_helpers.DefaultPlainDir)
os.Exit(r)
}
// Test that we get the right timestamp when extracting a tarball.
func Test1980Tar(t *testing.T) {
c := exec.Command("tar", "xzf", "1980.tar.gz", "-C", test_helpers.DefaultPlainDir)
c.Stderr = os.Stderr
c.Stdout = os.Stdout
err := c.Run()
if err != nil {
t.Fatal(err)
}
fi, err := os.Stat(test_helpers.DefaultPlainDir + "/1980.txt")
if err != nil {
t.Fatal(err)
}
m := fi.ModTime().Unix()
if m != 315619323 {
t.Errorf("Wrong mtime: %d", m)
}
}
func TestCtlSock(t *testing.T) {
cDir := test_helpers.InitFS(t)
pDir := cDir + ".mnt"
sock := cDir + ".sock"
test_helpers.MountOrFatal(t, cDir, pDir, "-ctlsock="+sock, "-extpass", "echo test")
defer test_helpers.UnmountPanic(pDir)
req := ctlsock.RequestStruct{
EncryptPath: "foobar",
}
response := test_helpers.QueryCtlSock(t, sock, req)
if response.Result == "" || response.ErrNo != 0 {
t.Errorf("got an error reply: %+v", response)
}
req.EncryptPath = "not-existing-dir/xyz"
response = test_helpers.QueryCtlSock(t, sock, req)
if response.ErrNo != int32(syscall.ENOENT) || response.Result != "" {
t.Errorf("incorrect error handling: %+v", response)
}
// Strange paths should not cause a crash
crashers := []string{"/foo", "foo/", "/foo/", ".", "/////", "/../../."}
for _, c := range crashers {
req.EncryptPath = c
// QueryCtlSock calls t.Fatal if it gets EOF when gocryptfs panics
response = test_helpers.QueryCtlSock(t, sock, req)
if response.WarnText == "" {
t.Errorf("We should get a warning about non-canonical paths here")
}
}
}
// In gocryptfs before v1.2, the file header was only read once for each
// open. But truncating a file to zero will generate a new random file ID.
// The sequence below caused an I/O error to be returned.
func TestOpenTruncateRead(t *testing.T) {
fn := test_helpers.DefaultPlainDir + "/TestTruncateWrite"
// First FD is used for write and trucate.
writeFd, err := os.Create(fn)
if err != nil {
t.Fatal(err)
}
abc := []byte("abc")
_, err = writeFd.WriteAt(abc, 0)
if err != nil {
t.Fatal(err)
}
// Second FD is just for reading.
readFd, err := os.Open(fn)
if err != nil {
t.Fatal(err)
}
content := make([]byte, 3)
_, err = readFd.ReadAt(content, 0)
if err != nil {
t.Fatal(err)
}
if !bytes.Equal(content, abc) {
t.Fatalf("wrong content: %s", string(content))
}
// Truncate to zero to generate a new file ID and write new content.
err = writeFd.Truncate(0)
if err != nil {
t.Fatal(err)
}
xyz := []byte("xyz")
_, err = writeFd.WriteAt(xyz, 0)
if err != nil {
t.Fatal(err)
}
// Try to read from the other FD.
_, err = readFd.ReadAt(content, 0)
if err != nil {
t.Fatal(err)
}
if !bytes.Equal(content, xyz) {
t.Fatalf("wrong content: %s", string(content))
}
}
// TestWORead tries to read from a write-only FD.
func TestWORead(t *testing.T) {
fn := test_helpers.DefaultPlainDir + "/TestWORead"
fd, err := os.OpenFile(fn, os.O_CREATE|os.O_WRONLY, 0600)
if err != nil {
t.Fatal(err)
}
defer fd.Close()
buf := make([]byte, 10)
_, err = fd.Read(buf)
if err == nil {
t.Error("Reading from write-only file should fail, but did not")
}
}
// xfstests generic/124 triggers this warning:
// cipherSize 18 == header size: interrupted write?
// This test reproduces the problem.
func TestXfs124(t *testing.T) {
// GOMAXPROCS=8 and N=5000 seem to reliably trigger the problem. With N=1000,
// the test passes sometimes.
runtime.GOMAXPROCS(8)
N := 5000
fn := test_helpers.DefaultPlainDir + "/TestXfs124"
fd, err := os.Create(fn)
if err != nil {
t.Fatal(err)
}
defer fd.Close()
var wg sync.WaitGroup
wg.Add(2)
go func() {
buf := make([]byte, 10)
var err2 error
for i := 0; i < N; i++ {
err2 = fd.Truncate(0)
if err2 != nil {
panic(err2)
}
_, err2 = fd.WriteAt(buf, 0)
if err2 != nil {
panic(err2)
}
}
wg.Done()
}()
fd2, err := os.Open(fn)
if err != nil {
t.Fatal(err)
}
defer fd2.Close()
go func() {
buf := make([]byte, 10)
var err3 error
for i := 0; i < N; i++ {
_, err3 = fd2.ReadAt(buf, 0)
if err3 == io.EOF {
continue
}
if err3 != nil {
panic(err3)
}
}
wg.Done()
}()
wg.Wait()
}
|
