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NtOpenSection: Do Case-Insensitive String Comparison

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This commit is contained in:
ahm3dgg
2026-01-11 00:15:22 +02:00
parent 6cd94b7f4d
commit fc0853aab6
4 changed files with 273 additions and 180 deletions
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68
src/windows-emulator/syscalls/section.cpp
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@@ -70,9 +70,10 @@ namespace syscalls
const auto attributes = object_attributes.read();
auto filename = read_unicode_string(c.emu, attributes.ObjectName);
auto filename_sv = std::u16string_view(filename);
c.win_emu.callbacks.on_generic_access("Opening section", filename);
if (filename == u"\\Windows\\SharedSection")
if (utils::string::equals_ignore_case(filename_sv, u"\\Windows\\SharedSection"sv))
{
constexpr auto shared_section_size = 0x10000;
@@ -86,7 +87,7 @@ namespace syscalls
return STATUS_SUCCESS;
}
if (filename == u"DBWIN_BUFFER")
if (utils::string::equals_ignore_case(filename_sv, u"DBWIN_BUFFER"sv))
{
constexpr auto dbwin_buffer_section_size = 0x1000;
@@ -100,69 +101,56 @@ namespace syscalls
return STATUS_SUCCESS;
}
if (filename == u"windows_shell_global_counters" //
|| filename == u"Global\\__ComCatalogCache__" //
|| filename == u"{00020000-0000-1005-8005-0000C06B5161}" //
|| filename == u"Global\\{00020000-0000-1005-8005-0000C06B5161}")
if (utils::string::equals_ignore_case(filename_sv, u"windows_shell_global_counters"sv) ||
utils::string::equals_ignore_case(filename_sv, u"Global\\__ComCatalogCache__"sv) ||
utils::string::equals_ignore_case(filename_sv, u"{00020000-0000-1005-8005-0000C06B5161}"sv) ||
utils::string::equals_ignore_case(filename_sv, u"Global\\{00020000-0000-1005-8005-0000C06B5161}"sv))
{
return STATUS_NOT_SUPPORTED;
}
bool is_known_dll = (attributes.RootDirectory == KNOWN_DLLS_DIRECTORY || attributes.RootDirectory == KNOWN_DLLS32_DIRECTORY ||
filename.starts_with(u"\\KnownDlls") || filename.starts_with(u"\\KnownDlls32"));
bool is_knowndll = (attributes.RootDirectory == KNOWN_DLLS32_DIRECTORY ||
utils::string::starts_with_ignore_case(filename_sv, u"\\KnownDlls32\\"sv)) ||
attributes.RootDirectory == KNOWN_DLLS_DIRECTORY ||
utils::string::starts_with_ignore_case(filename_sv, u"\\KnownDlls\\"sv);
if (!is_known_dll && attributes.RootDirectory != BASE_NAMED_OBJECTS_DIRECTORY)
if (!is_knowndll && attributes.RootDirectory != BASE_NAMED_OBJECTS_DIRECTORY)
{
c.win_emu.log.error("Unsupported section\n");
c.emu.stop();
return STATUS_NOT_SUPPORTED;
}
utils::string::to_lower_inplace(filename);
if (attributes.RootDirectory == KNOWN_DLLS_DIRECTORY || filename.starts_with(u"\\knowndlls\\"))
if (is_knowndll)
{
auto& knowndlls_sections = c.win_emu.process.knowndlls64_sections;
bool is_knowndll32 = attributes.RootDirectory == KNOWN_DLLS32_DIRECTORY ||
utils::string::starts_with_ignore_case(filename_sv, u"\\KnownDlls32"sv);
if (filename.starts_with(u"\\knowndlls\\"))
if (utils::string::starts_with_ignore_case(filename_sv, u"\\KnownDlls32\\"sv))
{
filename = std::u16string_view(filename).substr(11, filename.length() - 11);
filename = filename_sv.substr(13, filename.length() - 13);
}
if (!knowndlls_sections.contains(filename))
else if (utils::string::starts_with_ignore_case(filename_sv, u"\\KnownDlls\\"sv))
{
filename = filename_sv.substr(11, filename.length() - 11);
}
auto section = c.win_emu.process.get_knowndll_section_by_name(filename, is_knowndll32);
if (!section.has_value())
{
return STATUS_OBJECT_NAME_NOT_FOUND;
}
auto knowndll_section = knowndlls_sections[filename];
section_handle.write(c.proc.sections.store(knowndll_section));
section_handle.write(c.proc.sections.store(section.value()));
return STATUS_SUCCESS;
}
if (attributes.RootDirectory == KNOWN_DLLS32_DIRECTORY || filename.starts_with(u"\\knowndlls32\\"))
for (auto& [handle, section] : c.proc.sections)
{
auto& knowndlls_sections = c.win_emu.process.knowndlls32_sections;
if (filename.starts_with(u"\\knowndlls32\\"))
if (section.is_image() && utils::string::equals_ignore_case(section.file_name, filename))
{
filename = std::u16string_view(filename).substr(13, filename.length() - 13);
}
if (!knowndlls_sections.contains(filename))
{
return STATUS_OBJECT_NAME_NOT_FOUND;
}
auto knowndll_section = knowndlls_sections[filename];
section_handle.write(c.proc.sections.store(knowndll_section));
return STATUS_SUCCESS;
}
for (auto& section_entry : c.proc.sections)
{
if (section_entry.second.is_image() && section_entry.second.name == filename)
{
section_handle.write(c.proc.sections.make_handle(section_entry.first));
section_handle.write(c.proc.sections.make_handle(handle));
return STATUS_SUCCESS;
}
}