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Support KeyCachedInformation

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momo5502
2025-12-23 09:31:10 +01:00
parent b1f7efb8c1
commit db3a89a0da
5 changed files with 93 additions and 1 deletions
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37
src/windows-emulator/syscalls/registry.cpp
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@@ -82,11 +82,46 @@ namespace syscalls
return STATUS_SUCCESS;
}
if (key_information_class == KeyFullInformation || key_information_class == KeyCachedInformation)
if (key_information_class == KeyFullInformation)
{
c.win_emu.log.warn("Unsupported registry class: %X\n", key_information_class);
return STATUS_NOT_SUPPORTED;
}
if (key_information_class == KeyCachedInformation)
{
auto key_name = (key->hive.get() / key->path.get()).u16string();
while (key_name.ends_with(u'/') || key_name.ends_with(u'\\'))
{
key_name.pop_back();
}
const auto hive_key = c.win_emu.registry.get_hive_key(*key);
if (!hive_key.has_value())
{
return STATUS_OBJECT_NAME_NOT_FOUND;
}
constexpr auto required_size = sizeof(KEY_CACHED_INFORMATION);
result_length.write(required_size);
if (required_size > length)
{
return STATUS_BUFFER_TOO_SMALL;
}
KEY_CACHED_INFORMATION info{};
info.SubKeys = static_cast<ULONG>(hive_key->key.get_sub_key_count(hive_key->file));
info.Values = static_cast<ULONG>(hive_key->key.get_value_count(hive_key->file));
info.NameLength = static_cast<ULONG>(key_name.size() * 2);
info.MaxValueDataLen = 0x1000;
info.MaxValueNameLen = 0x1000;
info.MaxNameLen = 0x1000;
c.emu.write_memory(key_information, info);
return STATUS_SUCCESS;
}
if (key_information_class == KeyHandleTagsInformation)
{
constexpr auto required_size = sizeof(KEY_HANDLE_TAGS_INFORMATION);