Lightemerald/windows-user-space-emulator
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More syscalls

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momo5502
2024-09-10 12:43:56 +02:00
parent c4164f460a
commit 920bc9dec6
2 changed files with 32 additions and 13 deletions
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4
src/windows_emulator/main.cpp
View File

@@ -30,7 +30,7 @@
#define GDT_LIMIT 0x1000
#define GDT_ENTRY_SIZE 0x8
bool use_gdb = true;
bool use_gdb = false;
namespace
{
@@ -591,7 +591,7 @@ namespace
const auto* binary = context.module_manager.find_by_address(address);
if (binary && binary->name != "ntdll.dll")
if (binary)
{
const auto export_entry = binary->address_names.find(address);
if (export_entry != binary->address_names.end())

41
src/windows_emulator/syscalls.cpp
View File

@@ -1023,30 +1023,48 @@ namespace
throw std::runtime_error("Bad free type");
}
NTSTATUS handle_NtCreateSection(const syscall_context& c, const emulator_object<uint64_t> section_handle,
NTSTATUS handle_NtCreateSection(const syscall_context& /*c*/, const emulator_object<uint64_t> /*section_handle*/,
const ACCESS_MASK /*desired_access*/,
const emulator_object<OBJECT_ATTRIBUTES> /*object_attributes*/,
const emulator_object<LARGE_INTEGER> /*maximum_size*/,
const emulator_object<ULARGE_INTEGER> /*maximum_size*/,
const ULONG /*section_page_protection*/, const ULONG /*allocation_attributes*/,
const uint64_t /*file_handle*/)
{
puts("NtCreateSection not supported");
c.emu.stop();
//c.emu.stop();
//const auto attributes = object_attributes.read();
//const auto object_name = read_unicode_string(c.emu, attributes.ObjectName);
section_handle.write(SHARED_SECTION.bits);
/*
maximum_size.access([](LARGE_INTEGER& large_int)
/*section_handle.write(SHARED_SECTION.bits);
maximum_size.access([](ULARGE_INTEGER& large_int)
{
large_int.QuadPart = page_align_up(large_int.QuadPart);
});
*/
});*/
//return STATUS_SUCCESS;
return STATUS_NOT_SUPPORTED;
}
NTSTATUS handle_NtConnectPort(const syscall_context& /*c*/)
{
puts("NtConnectPort not supported");
//c.emu.stop();
return STATUS_SUCCESS;
}
NTSTATUS handle_NtConnectPort(const syscall_context& c)
NTSTATUS handle_NtReadVirtualMemory(const syscall_context& c, uint64_t process_handle, uint64_t base_address,
uint64_t buffer, ULONG number_of_bytes_to_read,
const emulator_object<ULONG> number_of_bytes_readed)
{
puts("NtConnectPort not supported");
c.emu.stop();
puts("NtReadVirtualMemory not supported");
//c.emu.stop();
if (process_handle != ~0ULL)
{
return STATUS_NOT_SUPPORTED;
}
return STATUS_SUCCESS;
}
@@ -1268,6 +1286,7 @@ syscall_dispatcher::syscall_dispatcher(const exported_symbols& ntdll_exports)
add_handler(NtWriteFile);
add_handler(NtRaiseHardError);
add_handler(NtCreateSemaphore);
add_handler(NtReadVirtualMemory);
#undef add_handler
}