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Support DLL unmapping

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This commit is contained in:
momo5502
2024-12-22 16:45:31 +01:00
parent b4e7606226
commit 4de6813c09
3 changed files with 40 additions and 6 deletions
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14
src/windows-emulator/module/module_manager.cpp
View File

@@ -101,3 +101,17 @@ void module_manager::deserialize(utils::buffer_deserializer& buffer)
{
buffer.read_map(this->modules_);
}
bool module_manager::unmap(const uint64_t address)
{
const auto mod = this->modules_.find(address);
if (mod == this->modules_.end())
{
return false;
}
unmap_module(*this->emu_, mod->second);
this->modules_.erase(mod);
return true;
}

2
src/windows-emulator/module/module_manager.hpp
View File

@@ -36,6 +36,8 @@ public:
void serialize(utils::buffer_serializer& buffer) const;
void deserialize(utils::buffer_deserializer& buffer);
bool unmap(const uint64_t address);
private:
emulator* emu_{};

30
src/windows-emulator/syscalls.cpp
View File

@@ -325,6 +325,22 @@ namespace
return STATUS_SUCCESS;
}
if (info_class == ThreadZeroTlsCell)
{
if (thread_information_length != sizeof(ULONG))
{
return STATUS_BUFFER_OVERFLOW;
}
const auto tls_index = c.emu.read_memory<ULONG>(thread_information);
const auto teb = thread->teb->read();
auto* tls_vector = static_cast<PVOID*>(teb.ThreadLocalStoragePointer);
c.emu.write_memory<void*>(tls_vector + tls_index, nullptr);
return STATUS_SUCCESS;
}
printf("Unsupported thread info class: %X\n", info_class);
c.emu.stop();
return STATUS_NOT_SUPPORTED;
@@ -2792,14 +2808,16 @@ namespace
if (!mod)
{
puts("Unmapping non-module section not supported!");
}
else
{
printf("Unmapping section %s not supported!\n", mod->name.c_str());
c.emu.stop();
return STATUS_NOT_SUPPORTED;
}
c.emu.stop();
return STATUS_NOT_SUPPORTED;
if (c.proc.module_manager.unmap(base_address))
{
return STATUS_SUCCESS;
}
return STATUS_INVALID_PARAMETER;
}
NTSTATUS handle_NtCreateThreadEx(const syscall_context& c, const emulator_object<handle> thread_handle,