Lightemerald/windows-user-space-emulator
2
0
Fork 0
mirror of https://github.com/momo5502/emulator.git synced 2026-01-19 19:53:56 +00:00
Code Issues Packages Projects Releases Wiki Activity

More fuzzing progress

Browse Source
This commit is contained in:
momo5502
2024-09-24 18:35:34 +02:00
parent 7547fee251
commit a259072b27
14 changed files with 321 additions and 94 deletions
Download Patch File Download Diff File Expand all files Collapse all files

86
src/windows-emulator/syscalls.cpp
View File

@@ -1050,6 +1050,24 @@ namespace
return STATUS_SUCCESS;
}
if (info_class == ProcessDefaultHardErrorMode)
{
if (return_length)
{
return_length.write(sizeof(ULONG));
}
if (process_information_length != sizeof(ULONG))
{
return STATUS_BUFFER_OVERFLOW;
}
const emulator_object<ULONG> info{c.emu, process_information};
info.write(0);
return STATUS_SUCCESS;
}
if (info_class == ProcessEnclaveInformation
|| info_class == ProcessMitigationPolicy)
{
@@ -1078,40 +1096,6 @@ namespace
return STATUS_SUCCESS;
}
if (info_class == ProcessImageFileNameWin32)
{
const auto peb = c.proc.peb.read();
emulator_object<RTL_USER_PROCESS_PARAMETERS> proc_params{c.emu, peb.ProcessParameters};
const auto params = proc_params.read();
const auto length = params.ImagePathName.Length + sizeof(UNICODE_STRING) + 2;
if (return_length)
{
return_length.write(static_cast<uint32_t>(length));
}
if (process_information_length < length)
{
return STATUS_BUFFER_OVERFLOW;
}
const emulator_object<UNICODE_STRING> info{c.emu, process_information};
info.access([&](UNICODE_STRING& str)
{
const auto buffer_start = static_cast<uint64_t>(process_information) + sizeof(UNICODE_STRING);
const auto string = read_unicode_string(c.emu, params.ImagePathName);
c.emu.write_memory(buffer_start, string.c_str(), (string.size() + 1) * 2);
str.Length = params.ImagePathName.Length;
str.MaximumLength = str.Length;
str.Buffer = reinterpret_cast<wchar_t*>(buffer_start);
});
return STATUS_SUCCESS;
}
printf("Unsupported process info class: %X\n", info_class);
c.emu.stop();
@@ -1409,7 +1393,7 @@ namespace
const emulator_object<ULONG> connection_info_length)
{
auto port_name = read_unicode_string(c.emu, server_port_name);
printf("NtConnectPort: %S\n", port_name.c_str());
c.win_emu.logger.print(color::dark_gray, "NtConnectPort: %S\n", port_name.c_str());
port p{};
p.name = std::move(port_name);
@@ -1693,6 +1677,16 @@ namespace
return STATUS_NOT_SUPPORTED;
}
NTSTATUS handle_NtQueryInformationJobObject()
{
return STATUS_NOT_SUPPORTED;
}
NTSTATUS handle_NtSetSystemInformation()
{
return STATUS_NOT_SUPPORTED;
}
NTSTATUS handle_NtRaiseHardError(const syscall_context& c, const NTSTATUS error_status,
const ULONG /*number_of_parameters*/,
const emulator_object<UNICODE_STRING> /*unicode_string_parameter_mask*/,
@@ -1706,7 +1700,26 @@ namespace
}
printf("Hard error: %X\n", static_cast<uint32_t>(error_status));
c.proc.exception_rip = c.emu.read_instruction_pointer();
c.emu.stop();
return STATUS_SUCCESS;
}
NTSTATUS handle_NtRaiseException(const syscall_context& c,
const emulator_object<EXCEPTION_RECORD> /*exception_record*/,
const emulator_object<CONTEXT> thread_context, BOOLEAN handle_exception)
{
if (handle_exception)
{
puts("Unhandled exceptions not supported yet!");
c.emu.stop();
return STATUS_NOT_SUPPORTED;
}
c.proc.exception_rip = thread_context.read().Rip;
c.emu.stop();
return STATUS_SUCCESS;
}
@@ -1900,6 +1913,9 @@ void syscall_dispatcher::add_handlers()
add_handler(NtIsUILanguageComitted);
add_handler(NtQueryInstallUILanguage);
add_handler(NtUpdateWnfStateData);
add_handler(NtRaiseException);
add_handler(NtQueryInformationJobObject);
add_handler(NtSetSystemInformation);
#undef add_handler