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Implement NtQueryAttributesFile syscall

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momo5502
2024-12-21 09:55:38 +01:00
parent 2d892217d4
commit de8b85a3f9
2 changed files with 43 additions and 0 deletions
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7
src/windows-emulator/syscall_utils.hpp
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@@ -243,3 +243,10 @@ inline std::chrono::system_clock::time_point convert_from_ksystem_time(const vol
{
return convert_from_ksystem_time(*const_cast<const KSYSTEM_TIME*>(&time));
}
inline LARGE_INTEGER convert_unix_to_windows_time(const __time64_t unix_time)
{
LARGE_INTEGER windows_time{};
windows_time.QuadPart = (unix_time + EPOCH_DIFFERENCE_1601_TO_1970_SECONDS) * HUNDRED_NANOSECONDS_IN_ONE_SECOND;
return windows_time;
}

36
src/windows-emulator/syscalls.cpp
View File

@@ -2285,6 +2285,41 @@ namespace
return STATUS_SUCCESS;
}
NTSTATUS handle_NtQueryAttributesFile(const syscall_context& c,
const emulator_object<OBJECT_ATTRIBUTES> object_attributes,
const emulator_object<FILE_BASIC_INFORMATION> file_information)
{
if (!object_attributes)
{
return STATUS_INVALID_PARAMETER;
}
const auto attributes = object_attributes.read();
if (!attributes.ObjectName)
{
return STATUS_INVALID_PARAMETER;
}
const auto filename = read_unicode_string(c.emu, attributes.ObjectName);
struct _stat64 file_stat{};
if (_wstat64(filename.c_str(), &file_stat) != 0)
{
return STATUS_OBJECT_NAME_NOT_FOUND;
}
file_information.access([&](FILE_BASIC_INFORMATION& info)
{
info.CreationTime = convert_unix_to_windows_time(file_stat.st_atime);
info.LastAccessTime = convert_unix_to_windows_time(file_stat.st_atime);
info.LastWriteTime = convert_unix_to_windows_time(file_stat.st_mtime);
info.ChangeTime = info.LastWriteTime;
info.FileAttributes = FILE_ATTRIBUTE_NORMAL;
});
return STATUS_SUCCESS;
}
NTSTATUS handle_NtOpenFile(const syscall_context& c,
const emulator_object<handle> file_handle,
const ACCESS_MASK desired_access,
@@ -2729,6 +2764,7 @@ void syscall_dispatcher::add_handlers(std::map<std::string, syscall_handler>& ha
add_handler(NtNotifyChangeKey);
add_handler(NtGetCurrentProcessorNumberEx);
add_handler(NtQueryObject);
add_handler(NtQueryAttributesFile);
#undef add_handler
}