Lightemerald/windows-user-space-emulator
2
0
Fork 0
mirror of https://github.com/momo5502/emulator.git synced 2026-01-21 20:53:56 +00:00
Code Issues Packages Projects Releases Wiki Activity

Add more syscalls

Browse Source
This commit is contained in:
momo5502
2024-12-23 10:22:33 +01:00
parent edc084afa5
commit a38b9240a9
2 changed files with 51 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

44
src/windows-emulator/syscalls.cpp
View File

@@ -2034,6 +2034,45 @@ namespace
return STATUS_NOT_SUPPORTED;
}
TOKEN_TYPE get_token_type(const handle token_handle)
{
return token_handle == DUMMY_IMPERSONATION_TOKEN //
? TokenImpersonation
: TokenPrimary;
}
NTSTATUS handle_NtDuplicateToken(const syscall_context&, const handle existing_token_handle,
ACCESS_MASK /*desired_access*/,
const emulator_object<OBJECT_ATTRIBUTES> /*object_attributes*/,
const BOOLEAN /*effective_only*/, const TOKEN_TYPE type,
const emulator_object<handle> new_token_handle)
{
if (get_token_type(existing_token_handle) == type)
{
new_token_handle.write(existing_token_handle);
}
else if (type == TokenPrimary)
{
new_token_handle.write(CURRENT_PROCESS_TOKEN);
}
else
{
new_token_handle.write(DUMMY_IMPERSONATION_TOKEN);
}
return STATUS_SUCCESS;
}
NTSTATUS handle_NtQueryTimerResolution(const syscall_context&, const emulator_object<ULONG> maximum_time,
const emulator_object<ULONG> minimum_time,
const emulator_object<ULONG> current_time)
{
maximum_time.write_if_valid(0x0002625a);
minimum_time.write_if_valid(0x00001388);
current_time.write_if_valid(0x00002710);
return STATUS_SUCCESS;
}
NTSTATUS handle_NtQueryInformationToken(const syscall_context& c, const handle token_handle,
const TOKEN_INFORMATION_CLASS token_information_class,
const uint64_t token_information, const ULONG token_information_length,
@@ -2085,8 +2124,7 @@ namespace
return STATUS_BUFFER_TOO_SMALL;
}
emulator_object<TOKEN_TYPE>{c.emu, token_information}.write(
token_handle == DUMMY_IMPERSONATION_TOKEN ? TokenImpersonation : TokenPrimary);
emulator_object<TOKEN_TYPE>{c.emu, token_information}.write(get_token_type(token_handle));
return STATUS_SUCCESS;
}
@@ -3201,6 +3239,8 @@ void syscall_dispatcher::add_handlers(std::map<std::string, syscall_handler>& ha
add_handler(NtWaitForMultipleObjects);
add_handler(NtCreateMutant);
add_handler(NtReleaseMutant);
add_handler(NtDuplicateToken);
add_handler(NtQueryTimerResolution);
#undef add_handler
}