summaryrefslogtreecommitdiff
path: root/tests/example_filesystems/example_filesystems_test.go
blob: e20fc948c7aa509592e8d25567c28cf7d8be234f (plain)
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
package example_filesystems

// Mount example filesystems and check that the file "status.txt" is there

import (
	"io/ioutil"
	"os"
	"path/filepath"
	"testing"

	"github.com/rfjakob/gocryptfs/tests/test_helpers"
)

const statusTxtContent = "It works!\n"

func TestMain(m *testing.M) {
	test_helpers.ResetTmpDir(true)
	os.Exit(m.Run())
}

// checkExampleFS - verify that "dir" contains the expected test files
func checkExampleFS(t *testing.T, dir string) {
	// Read regular file
	statusFile := filepath.Join(dir, "status.txt")
	contentBytes, err := ioutil.ReadFile(statusFile)
	if err != nil {
		t.Fatal(err)
	}
	content := string(contentBytes)
	if content != statusTxtContent {
		t.Errorf("Unexpected content: %s\n", content)
	}
	// Read relative symlink
	symlink := filepath.Join(dir, "rel")
	target, err := os.Readlink(symlink)
	if err != nil {
		t.Fatal(err)
	}
	if target != "status.txt" {
		t.Errorf("Unexpected link target: %s\n", target)
	}
	// Read absolute symlink
	symlink = filepath.Join(dir, "abs")
	target, err = os.Readlink(symlink)
	if err != nil {
		t.Fatal(err)
	}
	if target != "/a/b/c/d" {
		t.Errorf("Unexpected link target: %s\n", target)
	}
	// Test directory operations
	test_helpers.TestRename(t, dir)
	test_helpers.TestMkdirRmdir(t, dir)
}

// checkExampleFSLongnames - verify that "dir" contains the expected test files
// plus the long file name test file
func checkExampleFSLongnames(t *testing.T, dir string) {
	// regular tests
	checkExampleFS(t, dir)
	// long name test file
	longname := "longname_255_xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" +
		"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" +
		"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" +
		"xxxxxxxxxxxxxxxxxxxxxxxx"
	contentBytes, err := ioutil.ReadFile(filepath.Join(dir, longname))
	if err != nil {
		t.Fatal(err)
	}
	content := string(contentBytes)
	if content != statusTxtContent {
		t.Errorf("longname_255: unexpected content: %s\n", content)
	}

}

// Test example_filesystems/v0.4
// with password mount and -masterkey mount
func TestExampleFSv04(t *testing.T) {
	pDir := test_helpers.TmpDir + "TestExampleFsV04/"
	cDir := "v0.4"
	err := os.Mkdir(pDir, 0777)
	if err != nil {
		t.Fatal(err)
	}
	test_helpers.MountOrFatal(t, cDir, pDir, "-extpass", "echo test")
	checkExampleFS(t, pDir)
	test_helpers.Unmount(pDir)
	test_helpers.MountOrFatal(t, cDir, pDir, "-masterkey", "74676e34-0b47c145-00dac61a-17a92316-"+
		"bb57044c-e205b71f-65f4fdca-7cabd4b3", "-diriv=false", "-emenames=false", "-gcmiv128=false")
	checkExampleFS(t, pDir)
	test_helpers.Unmount(pDir)
	err = os.Remove(pDir)
	if err != nil {
		t.Error(err)
	}
}

// Test example_filesystems/v0.5
// with password mount and -masterkey mount
func TestExampleFSv05(t *testing.T) {
	pDir := test_helpers.TmpDir + "TestExampleFsV05/"
	cDir := "v0.5"
	err := os.Mkdir(pDir, 0777)
	if err != nil {
		t.Fatal(err)
	}
	test_helpers.MountOrFatal(t, cDir, pDir, "-extpass", "echo test")
	checkExampleFS(t, pDir)
	test_helpers.Unmount(pDir)
	test_helpers.MountOrFatal(t, cDir, pDir, "-masterkey", "199eae55-36bff4af-83b9a3a2-4fa16f65-"+
		"1549ccdb-2d08d1f0-b1b26965-1b61f896", "-emenames=false", "-gcmiv128=false")
	checkExampleFS(t, pDir)
	test_helpers.Unmount(pDir)
	err = os.Remove(pDir)
	if err != nil {
		t.Error(err)
	}
}

// Test example_filesystems/v0.6
// with password mount and -masterkey mount
func TestExampleFSv06(t *testing.T) {
	pDir := test_helpers.TmpDir + "TestExampleFsV06/"
	cDir := "v0.6"
	err := os.Mkdir(pDir, 0777)
	if err != nil {
		t.Fatal(err)
	}
	test_helpers.MountOrFatal(t, cDir, pDir, "-extpass", "echo test")
	checkExampleFS(t, pDir)
	test_helpers.Unmount(pDir)
	test_helpers.MountOrFatal(t, cDir, pDir, "-masterkey", "7bc8deb0-5fc894ef-a093da43-61561a81-"+
		"0e8dee83-fdc056a4-937c37dd-9df5c520", "-gcmiv128=false")
	checkExampleFS(t, pDir)
	test_helpers.Unmount(pDir)
	err = os.Remove(pDir)
	if err != nil {
		t.Error(err)
	}
}

// Test example_filesystems/v0.6-plaintextnames
// with password mount and -masterkey mount
// v0.6 changed the file name handling a lot, hence the explicit test case for
// plaintextnames.
func TestExampleFSv06PlaintextNames(t *testing.T) {
	pDir := test_helpers.TmpDir + "TestExampleFsV06PlaintextNames/"
	cDir := "v0.6-plaintextnames"
	err := os.Mkdir(pDir, 0777)
	if err != nil {
		t.Fatal(err)
	}
	test_helpers.MountOrFatal(t, cDir, pDir, "-extpass", "echo test")
	checkExampleFS(t, pDir)
	test_helpers.Unmount(pDir)
	test_helpers.MountOrFatal(t, cDir, pDir, "-masterkey", "f4690202-595e4593-64c4f7e0-4dddd7d1-"+
		"303147f9-0ca8aea2-966341a7-52ea8ae9", "-plaintextnames", "-gcmiv128=false")
	checkExampleFS(t, pDir)
	test_helpers.Unmount(pDir)
	err = os.Remove(pDir)
	if err != nil {
		t.Error(err)
	}
}

// Test example_filesystems/v0.7
// with password mount and -masterkey mount
// v0.7 adds 128 bit GCM IVs
func TestExampleFSv07(t *testing.T) {
	pDir := test_helpers.TmpDir + "TestExampleFsV07/"
	cDir := "v0.7"
	err := os.Mkdir(pDir, 0777)
	if err != nil {
		t.Fatal(err)
	}
	test_helpers.MountOrFatal(t, cDir, pDir, "-extpass", "echo test")
	checkExampleFS(t, pDir)
	test_helpers.Unmount(pDir)
	test_helpers.MountOrFatal(t, cDir, pDir, "-masterkey", "ed7f6d83-40cce86c-0e7d79c2-a9438710-"+
		"575221bf-30a0eb60-2821fa8f-7f3123bf")
	checkExampleFS(t, pDir)
	test_helpers.Unmount(pDir)
	err = os.Remove(pDir)
	if err != nil {
		t.Error(err)
	}
}

// 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 + "TestExampleFsV09/"
	err := os.Mkdir(pDir, 0777)
	if err != nil {
		t.Fatal(err)
	}
	test_helpers.MountOrFatal(t, cDir, pDir, "-extpass", "echo test")
	checkExampleFSLongnames(t, pDir)
	test_helpers.Unmount(pDir)
	test_helpers.MountOrFatal(t, cDir, pDir, "-masterkey", "1cafe3f4-bc316466-2214c47c-ecd89bf3-"+
		"4e078fe4-f5faeea7-8b7cab02-884f5e1c")
	checkExampleFSLongnames(t, pDir)
	test_helpers.Unmount(pDir)
	err = os.Remove(pDir)
	if err != nil {
		t.Error(err)
	}
}