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Support file renaming and support relative path in NtQueryAttributesFile

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This commit is contained in:
Igor Pissolati
2025-10-19 17:48:14 -03:00
parent 9453123db0
commit 887b02c240
6 changed files with 64 additions and 5 deletions
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40
src/windows-emulator/syscalls/file.cpp
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@@ -51,7 +51,7 @@ namespace syscalls
const emulator_object<IO_STATUS_BLOCK<EmulatorTraits<Emu64>>> io_status_block,
const uint64_t file_information, const ULONG length, const FILE_INFORMATION_CLASS info_class)
{
const auto* f = c.proc.files.get(file_handle);
auto* f = c.proc.files.get(file_handle);
if (!f)
{
if (c.proc.devices.get(file_handle))
@@ -88,7 +88,22 @@ namespace syscalls
c.win_emu.log.warn("--> File rename requested: %s --> %s\n", u16_to_u8(f->name).c_str(), u16_to_u8(new_name).c_str());
return STATUS_ACCESS_DENIED;
std::error_code ec{};
bool file_exists = std::filesystem::exists(new_name, ec);
if (ec)
{
return STATUS_ACCESS_DENIED;
}
if (!info.ReplaceIfExists && file_exists)
{
return STATUS_OBJECT_NAME_EXISTS;
}
f->handle.defer_rename(c.win_emu.file_sys.translate(f->name), c.win_emu.file_sys.translate(new_name));
return STATUS_SUCCESS;
}
if (info_class == FileBasicInformation)
@@ -886,6 +901,12 @@ namespace syscalls
return STATUS_SUCCESS;
}
if (filename == u"\\??\\CONOUT$")
{
file_handle.write(STDOUT_HANDLE);
return STATUS_SUCCESS;
}
file f{};
f.name = std::move(filename);
@@ -1022,8 +1043,19 @@ namespace syscalls
return STATUS_INVALID_PARAMETER;
}
const auto filename =
read_unicode_string(c.emu, emulator_object<UNICODE_STRING<EmulatorTraits<Emu64>>>{c.emu, attributes.ObjectName});
auto filename = read_unicode_string(c.emu, emulator_object<UNICODE_STRING<EmulatorTraits<Emu64>>>{c.emu, attributes.ObjectName});
if (attributes.RootDirectory)
{
const auto* root = c.proc.files.get(attributes.RootDirectory);
if (!root)
{
return STATUS_INVALID_HANDLE;
}
const auto has_separator = root->name.ends_with(u"\\") || root->name.ends_with(u"/");
filename = root->name + (has_separator ? u"" : u"\\") + filename;
}
c.win_emu.callbacks.on_generic_access("Querying file attributes", filename);