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windows/registry: remove TestWalkFullRegistry due to false assumptions

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This test's existence was predicated upon assumptions about the full
range of known data types and known data into those types. However,
we've learned from Microsoft that there are several undocumented secret
registry types that are in use by various parts of Windows, and we've
learned from inspection that many Microsoft uses of registry types don't
strictly adhere to the recommended value size. It's therefore foolhardy
to make any assumptions about what goes in and out of the registry, and
so this test is meaningless and error-prone.

Updates golang/go#35084

Change-Id: Ie545229afd8dc5bde90fffa0f735f7102cd4a6eb
Reviewed-on: https://go-review.googlesource.com/c/sys/+/203605
Run-TryBot: Jason A. Donenfeld <Jason@zx2c4.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
This commit is contained in:
Jason A. Donenfeld
2019-10-27 10:46:37 +01:00
committed by Brad Fitzpatrick
parent 33540a1f60
commit f8518d3b36
1 changed files with 0 additions and 80 deletions
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80
windows/registry/registry_test.go
View File

@@ -526,86 +526,6 @@ func TestValues(t *testing.T) {
deleteValues(t, k)
}
func walkKey(t *testing.T, k registry.Key, kname string) {
names, err := k.ReadValueNames(-1)
if err != nil {
t.Fatalf("reading value names of %s failed: %v", kname, err)
}
for _, name := range names {
_, valtype, err := k.GetValue(name, nil)
if err != nil {
t.Fatalf("reading value type of %s of %s failed: %v", name, kname, err)
}
switch valtype {
case registry.NONE:
case registry.SZ:
_, _, err := k.GetStringValue(name)
if err != nil {
t.Error(err)
}
case registry.EXPAND_SZ:
s, _, err := k.GetStringValue(name)
if err != nil {
t.Error(err)
}
_, err = registry.ExpandString(s)
if err != nil {
t.Error(err)
}
case registry.DWORD, registry.QWORD:
_, _, err := k.GetIntegerValue(name)
if err != nil {
t.Error(err)
}
case registry.BINARY:
_, _, err := k.GetBinaryValue(name)
if err != nil {
t.Error(err)
}
case registry.MULTI_SZ:
_, _, err := k.GetStringsValue(name)
if err != nil {
t.Error(err)
}
case registry.FULL_RESOURCE_DESCRIPTOR, registry.RESOURCE_LIST, registry.RESOURCE_REQUIREMENTS_LIST:
// TODO: not implemented
default:
t.Fatalf("value type %d of %s of %s failed: %v", valtype, name, kname, err)
}
}
names, err = k.ReadSubKeyNames(-1)
if err != nil {
t.Fatalf("reading sub-keys of %s failed: %v", kname, err)
}
for _, name := range names {
func() {
subk, err := registry.OpenKey(k, name, registry.ENUMERATE_SUB_KEYS|registry.QUERY_VALUE)
if err != nil {
if err == syscall.ERROR_ACCESS_DENIED {
// ignore error, if we are not allowed to access this key
return
}
t.Fatalf("opening sub-keys %s of %s failed: %v", name, kname, err)
}
defer subk.Close()
walkKey(t, subk, kname+`\`+name)
}()
}
}
func TestWalkFullRegistry(t *testing.T) {
if testing.Short() {
t.Skip("skipping long running test in short mode")
}
walkKey(t, registry.CLASSES_ROOT, "CLASSES_ROOT")
walkKey(t, registry.CURRENT_USER, "CURRENT_USER")
walkKey(t, registry.LOCAL_MACHINE, "LOCAL_MACHINE")
walkKey(t, registry.USERS, "USERS")
walkKey(t, registry.CURRENT_CONFIG, "CURRENT_CONFIG")
}
func TestExpandString(t *testing.T) {
got, err := registry.ExpandString("%PATH%")
if err != nil {