64be5de75f
xattr names have fewer restrictions than file names, relax the validation. Fixes https://github.com/rfjakob/gocryptfs/issues/627
101 lines
2.1 KiB
Go
101 lines
2.1 KiB
Go
package nametransform
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import (
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"bytes"
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"strings"
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"testing"
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)
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func TestPad16(t *testing.T) {
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s := [][]byte{
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[]byte("foo"),
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[]byte("12345678901234567"),
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[]byte("12345678901234567abcdefg"),
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}
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for i := range s {
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orig := s[i]
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padded := pad16(orig)
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if len(padded) <= len(orig) {
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t.Errorf("Padded length not bigger than orig: %d", len(padded))
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}
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if len(padded)%16 != 0 {
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t.Errorf("Length is not aligend: %d", len(padded))
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}
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unpadded, err := unPad16(padded)
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if err != nil {
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t.Error("unPad16 returned error:", err)
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}
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if len(unpadded) != len(orig) {
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t.Errorf("Size mismatch: orig=%d unpadded=%d", len(s[i]), len(unpadded))
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}
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if !bytes.Equal(orig, unpadded) {
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t.Error("Content mismatch orig vs unpadded")
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}
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}
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}
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// TestUnpad16Garbage - unPad16 should never crash on corrupt or malicious inputs
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func TestUnpad16Garbage(t *testing.T) {
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testCases := [][]byte{
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make([]byte, 0),
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make([]byte, 16),
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make([]byte, 1),
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make([]byte, 17),
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bytes.Repeat([]byte{16}, 16),
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bytes.Repeat([]byte{17}, 16),
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}
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for _, v := range testCases {
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_, err := unPad16([]byte(v))
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if err == nil {
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t.Fail()
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}
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}
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}
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func TestIsValidName(t *testing.T) {
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cases := []struct {
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in string
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want bool
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}{
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{"", false},
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{".", false},
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{"..", false},
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{"...", true},
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{"asdasd/asdasd", false},
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{"asdasd\000asdasd", false},
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{"hello", true},
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{strings.Repeat("x", 255), true},
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{strings.Repeat("x", 256), false},
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}
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for _, c := range cases {
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have := IsValidName(c.in)
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if (have == nil) != c.want {
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t.Errorf("IsValidName(%q): want %v have %v", c.in, c.want, have)
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}
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}
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}
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func TestIsValidXattrName(t *testing.T) {
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cases := []struct {
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in string
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want bool
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}{
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{"", false},
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{".", true},
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{"..", true},
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{"...", true},
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{"asdasd/asdasd", true},
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{"asdasd\000asdasd", false},
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{"hello", true},
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{strings.Repeat("x", 255), true},
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{strings.Repeat("x", 256), true},
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}
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for _, c := range cases {
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have := isValidXattrName(c.in)
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if (have == nil) != c.want {
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t.Errorf("isValidXattrName(%q): want %v have %v", c.in, c.want, have)
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}
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}
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}
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