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
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
|
package example_filesystems
// Mount example filesystems, check that the example content (normal file, symlinks)
// is there and test mkdir and rmdir
//
// Runs all the tests twice, once with "-openssl=false" and once with
// "-openssl=true".
import (
"flag"
"fmt"
"os"
"testing"
"github.com/rfjakob/gocryptfs/internal/stupidgcm"
"github.com/rfjakob/gocryptfs/tests/test_helpers"
)
const statusTxtContent = "It works!\n"
var opensslOpt string
func TestMain(m *testing.M) {
// Make "testing.Verbose()" return the correct value
flag.Parse()
variants := []string{"-openssl=false"}
if !stupidgcm.BuiltWithoutOpenssl {
variants = append(variants, "-openssl=true")
} else {
fmt.Println("Skipping OpenSSL tests, I have been compiled without openssl support")
}
for _, opensslOpt = range variants {
if testing.Verbose() {
fmt.Printf("example_filesystems: testing with %q\n", opensslOpt)
}
test_helpers.ResetTmpDir(false)
r := m.Run()
if r != 0 {
os.Exit(r)
}
}
os.Exit(0)
}
// This filesystem is not supported anymore.
func TestExampleFSv04(t *testing.T) {
cDir := "v0.4"
pDir := test_helpers.TmpDir + "/" + cDir
err := test_helpers.Mount(cDir, pDir, false, "-extpass", "echo test", opensslOpt)
if err == nil {
t.Errorf("Mounting too old FS should fail")
}
}
// This filesystem is not supported anymore.
func TestExampleFSv05(t *testing.T) {
cDir := "v0.5"
pDir := test_helpers.TmpDir + "/" + cDir
err := test_helpers.Mount(cDir, pDir, false, "-extpass", "echo test", opensslOpt)
if err == nil {
t.Errorf("Mounting too old FS should fail")
}
}
// This filesystem is not supported anymore.
func TestExampleFSv06(t *testing.T) {
cDir := "v0.6"
pDir := test_helpers.TmpDir + "/" + cDir
err := test_helpers.Mount(cDir, pDir, false, "-extpass", "echo test", opensslOpt)
if err == nil {
t.Errorf("Mounting too old FS should fail")
}
}
// This filesystem is not supported anymore.
func TestExampleFSv06PlaintextNames(t *testing.T) {
cDir := "v0.6-plaintextnames"
pDir := test_helpers.TmpDir + "/" + cDir
err := test_helpers.Mount(cDir, pDir, false, "-extpass", "echo test", opensslOpt)
if err == nil {
t.Errorf("Mounting too old FS should fail")
}
}
// Test example_filesystems/v0.7
// with password mount and -masterkey mount
// v0.7 adds 128 bit GCM IVs
func TestExampleFSv07(t *testing.T) {
cDir := "v0.7"
pDir := test_helpers.TmpDir + "/" + cDir
err := os.Mkdir(pDir, 0777)
if err != nil {
t.Fatal(err)
}
test_helpers.MountOrFatal(t, cDir, pDir, "-extpass", "echo test", opensslOpt)
checkExampleFS(t, pDir, true)
test_helpers.UnmountPanic(pDir)
test_helpers.MountOrFatal(t, cDir, pDir, "-masterkey",
"ed7f6d83-40cce86c-0e7d79c2-a9438710-575221bf-30a0eb60-2821fa8f-7f3123bf",
"-raw64=false", "-hkdf=false", opensslOpt)
checkExampleFS(t, pDir, true)
test_helpers.UnmountPanic(pDir)
}
// gocryptfs v0.7 filesystem created with "-plaintextnames"
func TestExampleFSv07PlaintextNames(t *testing.T) {
cDir := "v0.7-plaintextnames"
pDir := test_helpers.TmpDir + "/" + cDir + ".mnt"
test_helpers.MountOrFatal(t, cDir, pDir, "-extpass", "echo test", opensslOpt)
checkExampleFS(t, pDir, true)
test_helpers.UnmountPanic(pDir)
// The actual unmount takes some time, this causes weird problems. Just don't
// reuse the mountpoint.
pDir = pDir + ".2"
test_helpers.MountOrFatal(t, cDir, pDir, "-plaintextnames", "-masterkey",
"6d96397b-585631e1-c7cba69d-61e738b6-4d5ad2c2-e21f0fb3-52f60d3a-b08526f7",
"-raw64=false", "-hkdf=false", opensslOpt)
checkExampleFS(t, pDir, true)
test_helpers.UnmountPanic(pDir)
}
// Test example_filesystems/v0.9
// (gocryptfs v0.9 introduced long file name support)
func TestExampleFSv09(t *testing.T) {
cDir := "v0.9"
pDir := test_helpers.TmpDir + "/" + cDir
err := os.Mkdir(pDir, 0777)
if err != nil {
t.Fatal(err)
}
test_helpers.MountOrFatal(t, cDir, pDir, "-extpass", "echo test", opensslOpt)
checkExampleFSLongnames(t, pDir)
test_helpers.UnmountPanic(pDir)
pDir = pDir + ".2"
test_helpers.MountOrFatal(t, cDir, pDir, "-masterkey",
"1cafe3f4-bc316466-2214c47c-ecd89bf3-4e078fe4-f5faeea7-8b7cab02-884f5e1c",
"-raw64=false", "-hkdf=false", opensslOpt)
checkExampleFSLongnames(t, pDir)
test_helpers.UnmountPanic(pDir)
}
// gocryptfs v1.1 introduced AES-SIV
func TestExampleFSv11(t *testing.T) {
cDir := "v1.1-aessiv"
pDir := test_helpers.TmpDir + "/" + cDir
err := os.Mkdir(pDir, 0777)
if err != nil {
t.Fatal(err)
}
test_helpers.MountOrFatal(t, cDir, pDir, "-extpass", "echo test", opensslOpt)
checkExampleFSLongnames(t, pDir)
test_helpers.UnmountPanic(pDir)
pDir = pDir + ".2"
test_helpers.MountOrFatal(t, cDir, pDir, "-masterkey",
"eaf371c3-f9a55336-8819f22b-7bccd7c2-a738cf61-7261c658-14c28a03-9428992b",
"-aessiv", "-raw64=false", "-hkdf=false", opensslOpt)
checkExampleFSLongnames(t, pDir)
test_helpers.UnmountPanic(pDir)
}
// gocryptfs v1.1 introduced reverse mode
func TestExampleFSv11reverse(t *testing.T) {
dirA := "v1.1-reverse"
dirB := test_helpers.TmpDir + "/" + dirA + ".B"
err := os.Mkdir(dirB, 0700)
if err != nil {
t.Fatal(err)
}
dirC := test_helpers.TmpDir + "/" + dirA + ".C"
err = os.Mkdir(dirC, 0700)
if err != nil {
t.Fatal(err)
}
test_helpers.MountOrFatal(t, dirA, dirB, "-reverse", "-extpass", "echo test", opensslOpt)
c := dirB + "/gocryptfs.conf"
if !test_helpers.VerifyExistence(c) {
t.Errorf("%s missing", c)
}
test_helpers.MountOrFatal(t, dirB, dirC, "-extpass", "echo test", opensslOpt)
checkExampleFSrw(t, dirC, false)
test_helpers.UnmountPanic(dirC)
test_helpers.UnmountPanic(dirB)
m := "68b51855-042abd80-635ae1ba-90152a78-2ec2d243-832ac72a-eab0561a-f2d37913"
test_helpers.MountOrFatal(t, dirA, dirB, "-reverse", "-masterkey", m,
"-raw64=false", "-hkdf=false", opensslOpt)
if !test_helpers.VerifyExistence(c) {
t.Errorf("%s missing", c)
}
test_helpers.MountOrFatal(t, dirB, dirC, "-aessiv", "-masterkey", m,
"-raw64=false", "-hkdf=false", opensslOpt)
checkExampleFSrw(t, dirC, false)
test_helpers.UnmountPanic(dirC)
test_helpers.UnmountPanic(dirB)
}
// gocryptfs v1.1 introduced reverse mode
func TestExampleFSv11reversePlaintextnames(t *testing.T) {
dirA := "v1.1-reverse-plaintextnames"
dirB := test_helpers.TmpDir + "/" + dirA + ".B"
err := os.Mkdir(dirB, 0700)
if err != nil {
t.Fatal(err)
}
dirC := test_helpers.TmpDir + "/" + dirA + ".C"
err = os.Mkdir(dirC, 0700)
if err != nil {
t.Fatal(err)
}
test_helpers.MountOrFatal(t, dirA, dirB, "-reverse", "-extpass", "echo test", opensslOpt)
c := dirB + "/gocryptfs.conf"
if !test_helpers.VerifyExistence(c) {
t.Errorf("%s missing", c)
}
test_helpers.MountOrFatal(t, dirB, dirC, "-extpass", "echo test", opensslOpt)
checkExampleFSrw(t, dirC, false)
test_helpers.UnmountPanic(dirC)
test_helpers.UnmountPanic(dirB)
m := "e7fb8f0d-2a81df9e-26611e4b-5540b218-e48aa458-c2a623af-d0c82637-1466b5f2"
test_helpers.MountOrFatal(t, dirA, dirB, "-reverse", "-masterkey", m,
"-raw64=false", "-hkdf=false", opensslOpt)
if !test_helpers.VerifyExistence(c) {
t.Errorf("%s missing", c)
}
test_helpers.MountOrFatal(t, dirB, dirC, "-aessiv", "-masterkey", m,
"-raw64=false", "-hkdf=false", opensslOpt)
checkExampleFSrw(t, dirC, false)
test_helpers.UnmountPanic(dirC)
test_helpers.UnmountPanic(dirB)
}
// gocryptfs v1.3 introduced HKDF
func TestExampleFSv13(t *testing.T) {
cDir := "v1.3"
pDir := test_helpers.TmpDir + "/" + cDir
err := os.Mkdir(pDir, 0777)
if err != nil {
t.Fatal(err)
}
test_helpers.MountOrFatal(t, cDir, pDir, "-extpass", "echo test", opensslOpt)
checkExampleFSLongnames(t, pDir)
test_helpers.UnmountPanic(pDir)
pDir = pDir + "_m"
test_helpers.MountOrFatal(t, cDir, pDir, "-masterkey",
"fd890dab-86bf61cf-ec5ad460-ad3ed01f-9c52d546-2a31783d-a56b088d-3d05232e",
opensslOpt)
checkExampleFSLongnames(t, pDir)
test_helpers.UnmountPanic(pDir)
}
// gocryptfs v1.3 introduced HKDF.
// We check the md5 sum of the encrypted version of a file to make sure we don't
// accidentially change the ciphertext generation.
// Create a full crypto round-trip by mounting two times:
// dirA -> reverse mount -> dirB -> forward mount -> dirC
func TestExampleFSv13reverse(t *testing.T) {
// Prepare directories
dirA := "v1.3-reverse"
dirB := test_helpers.TmpDir + "/" + dirA + ".B"
err := os.Mkdir(dirB, 0700)
if err != nil {
t.Fatal(err)
}
dirC := test_helpers.TmpDir + "/" + dirA + ".C"
err = os.Mkdir(dirC, 0700)
if err != nil {
t.Fatal(err)
}
// Mount using password
test_helpers.MountOrFatal(t, dirA, dirB, "-reverse", "-extpass", "echo test", opensslOpt)
c := dirB + "/gocryptfs.conf"
if !test_helpers.VerifyExistence(c) {
t.Errorf("%s missing", c)
}
test_helpers.MountOrFatal(t, dirB, dirC, "-extpass", "echo test", opensslOpt)
// Test
checkExampleFSrw(t, dirC, false)
// Encrypted version of dir1/dir2/file (10000 zero bytes)
cPath := dirB + "/zOsW1-BUX54hC2hmhu2EOw/4ZqrpGQdw5r07KR1qw2ZeQ/tfCm9Sp9J_Dvc-jD7J6p8g"
want := "9818501d214c5eb42ca2472caf6c82a1"
actual := test_helpers.Md5fn(cPath)
if actual != want {
t.Errorf("wrong md5")
}
// Unmount
test_helpers.UnmountPanic(dirC)
test_helpers.UnmountPanic(dirB)
// Mount using masterkey
m := "2290a7f4-3e1908fb-b006f7d9-261bdaf1-4b72bc38-3b24956c-db7d8a8d-d996076a"
test_helpers.MountOrFatal(t, dirA, dirB, "-reverse", "-masterkey", m, opensslOpt)
if !test_helpers.VerifyExistence(c) {
t.Errorf("%s missing", c)
}
test_helpers.MountOrFatal(t, dirB, dirC, "-aessiv", "-masterkey", m, opensslOpt)
// Test
checkExampleFSrw(t, dirC, false)
actual = test_helpers.Md5fn(cPath)
if actual != want {
t.Errorf("wrong md5")
}
// Unmmount
test_helpers.UnmountPanic(dirC)
test_helpers.UnmountPanic(dirB)
}
|
