libgocryptfs/internal/nametransform/names_test.go

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Major refactoring: Split up "cryptfs" into several internal packages "git status" for reference: deleted: cryptfs/cryptfs.go deleted: cryptfs/names_core.go modified: integration_tests/cli_test.go modified: integration_tests/helpers.go renamed: cryptfs/config_file.go -> internal/configfile/config_file.go renamed: cryptfs/config_test.go -> internal/configfile/config_test.go renamed: cryptfs/config_test/.gitignore -> internal/configfile/config_test/.gitignore renamed: cryptfs/config_test/PlaintextNames.conf -> internal/configfile/config_test/PlaintextNames.conf renamed: cryptfs/config_test/StrangeFeature.conf -> internal/configfile/config_test/StrangeFeature.conf renamed: cryptfs/config_test/v1.conf -> internal/configfile/config_test/v1.conf renamed: cryptfs/config_test/v2.conf -> internal/configfile/config_test/v2.conf renamed: cryptfs/kdf.go -> internal/configfile/kdf.go renamed: cryptfs/kdf_test.go -> internal/configfile/kdf_test.go renamed: cryptfs/cryptfs_content.go -> internal/contentenc/content.go new file: internal/contentenc/content_api.go renamed: cryptfs/content_test.go -> internal/contentenc/content_test.go renamed: cryptfs/file_header.go -> internal/contentenc/file_header.go renamed: cryptfs/intrablock.go -> internal/contentenc/intrablock.go renamed: cryptfs/address_translation.go -> internal/contentenc/offsets.go new file: internal/cryptocore/crypto_api.go renamed: cryptfs/gcm_go1.4.go -> internal/cryptocore/gcm_go1.4.go renamed: cryptfs/gcm_go1.5.go -> internal/cryptocore/gcm_go1.5.go renamed: cryptfs/nonce.go -> internal/cryptocore/nonce.go renamed: cryptfs/openssl_aead.go -> internal/cryptocore/openssl_aead.go renamed: cryptfs/openssl_benchmark.bash -> internal/cryptocore/openssl_benchmark.bash renamed: cryptfs/openssl_test.go -> internal/cryptocore/openssl_test.go new file: internal/nametransform/name_api.go new file: internal/nametransform/names_core.go renamed: cryptfs/names_diriv.go -> internal/nametransform/names_diriv.go renamed: cryptfs/names_noiv.go -> internal/nametransform/names_noiv.go renamed: cryptfs/names_test.go -> internal/nametransform/names_test.go new file: internal/nametransform/pad16.go renamed: cryptfs/log.go -> internal/toggledlog/log.go renamed: cryptfs/log_go1.4.go -> internal/toggledlog/log_go1.4.go renamed: cryptfs/log_go1.5.go -> internal/toggledlog/log_go1.5.go modified: main.go modified: masterkey.go modified: pathfs_frontend/file.go modified: pathfs_frontend/file_holes.go modified: pathfs_frontend/fs.go modified: pathfs_frontend/fs_dir.go modified: pathfs_frontend/names.go modified: test.bash
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package nametransform
import (
"bytes"
"strings"
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"testing"
)
func TestPad16(t *testing.T) {
s := [][]byte{
[]byte("foo"),
[]byte("12345678901234567"),
[]byte("12345678901234567abcdefg"),
}
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for i := range s {
orig := s[i]
padded := pad16(orig)
if len(padded) <= len(orig) {
t.Errorf("Padded length not bigger than orig: %d", len(padded))
}
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if len(padded)%16 != 0 {
t.Errorf("Length is not aligend: %d", len(padded))
}
unpadded, err := unPad16(padded)
if err != nil {
t.Error("unPad16 returned error:", err)
}
if len(unpadded) != len(orig) {
t.Errorf("Size mismatch: orig=%d unpadded=%d", len(s[i]), len(unpadded))
}
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if !bytes.Equal(orig, unpadded) {
t.Error("Content mismatch orig vs unpadded")
}
}
}
// TestUnpad16Garbage - unPad16 should never crash on corrupt or malicious inputs
func TestUnpad16Garbage(t *testing.T) {
testCases := [][]byte{
make([]byte, 0),
make([]byte, 16),
make([]byte, 1),
make([]byte, 17),
bytes.Repeat([]byte{16}, 16),
bytes.Repeat([]byte{17}, 16),
}
for _, v := range testCases {
_, err := unPad16([]byte(v))
if err == nil {
t.Fail()
}
}
}
func TestIsValidName(t *testing.T) {
cases := []struct {
in string
want bool
}{
{"", false},
{".", false},
{"..", false},
{"...", true},
{"asdasd/asdasd", false},
{"asdasd\000asdasd", false},
{"hello", true},
{strings.Repeat("x", 255), true},
{strings.Repeat("x", 256), false},
}
for _, c := range cases {
have := IsValidName(c.in)
if (have == nil) != c.want {
t.Errorf("IsValidName(%q): want %v have %v", c.in, c.want, have)
}
}
}
func TestIsValidXattrName(t *testing.T) {
cases := []struct {
in string
want bool
}{
{"", false},
{".", true},
{"..", true},
{"...", true},
{"asdasd/asdasd", true},
{"asdasd\000asdasd", false},
{"hello", true},
{strings.Repeat("x", 255), true},
{strings.Repeat("x", 256), true},
}
for _, c := range cases {
have := isValidXattrName(c.in)
if (have == nil) != c.want {
t.Errorf("isValidXattrName(%q): want %v have %v", c.in, c.want, have)
}
}
}