mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
synced 2024-11-23 04:12:02 +00:00
96f95b9f95
* result: try out some experimental shenanigans * result: sketch out some more shenanigans * result: see what it looks like to convert kernel to use result conds instead of guards * make rest of kernel use experimental new macro-ing
198 lines
11 KiB
C++
198 lines
11 KiB
C++
/*
|
|
* Copyright (c) Atmosphère-NX
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms and conditions of the GNU General Public License,
|
|
* version 2, as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
|
* more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
#include <stratosphere.hpp>
|
|
#include "sm_user_service.hpp"
|
|
#include "impl/sm_service_manager.hpp"
|
|
|
|
namespace ams::sm {
|
|
|
|
namespace {
|
|
|
|
constexpr const u8 CmifResponseToQueryPointerBufferSize[] = {
|
|
0x00, 0x00, 0x00, 0x00, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
0x53, 0x46, 0x43, 0x4F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x00,
|
|
};
|
|
|
|
static_assert(CmifCommandType_Request == 4);
|
|
|
|
constexpr const u8 CmifExpectedRequestHeaderForRegisterClientAndDetachClient[] = {
|
|
0x04, 0x00, 0x00, 0x00, 0x0A, 0x00, 0x00, 0x80, 0x01, 0x00, 0x00, 0x00,
|
|
};
|
|
|
|
constexpr const u8 CmifResponseToRegisterClientAndDetachClient[] = {
|
|
0x00, 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
0x53, 0x46, 0x43, 0x4F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
};
|
|
|
|
constexpr const u8 CmifExpectedRequestHeaderForGetServiceHandleAndUnregisterService[] = {
|
|
0x04, 0x00, 0x00, 0x00, 0x0A, 0x00, 0x00, 0x00
|
|
};
|
|
|
|
constexpr const u8 CmifResponseToGetServiceHandleAndRegisterService[] = {
|
|
0x00, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x80, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
0x53, 0x46, 0x43, 0x4F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
};
|
|
|
|
constexpr const u8 CmifResponseToUnregisterService[] = {
|
|
0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
0x53, 0x46, 0x43, 0x4F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
};
|
|
|
|
constexpr const u8 CmifExpectedRequestHeaderForRegisterService[] = {
|
|
0x04, 0x00, 0x00, 0x00, 0x0C, 0x00, 0x00, 0x00
|
|
};
|
|
|
|
static_assert(tipc::ResultRequestDeferred().GetValue() == 0xC823);
|
|
constexpr const u8 CmifResponseToForceProcessorDeferral[] = {
|
|
0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x23, 0xC8, 0x00, 0x00,
|
|
};
|
|
|
|
}
|
|
|
|
Result UserService::ProcessDefaultServiceCommand(const svc::ipc::MessageBuffer &message_buffer) {
|
|
/* Parse the hipc headers. */
|
|
const svc::ipc::MessageBuffer::MessageHeader message_header(message_buffer);
|
|
const svc::ipc::MessageBuffer::SpecialHeader special_header(message_buffer, message_header);
|
|
|
|
/* Get the request tag. */
|
|
const auto tag = message_header.GetTag();
|
|
|
|
/* Handle the case where we received a control request. */
|
|
if (tag == CmifCommandType_Control || tag == CmifCommandType_ControlWithContext) {
|
|
/* The only control/control with context command which we support is QueryPointerBufferSize. */
|
|
/* We do not have a pointer buffer, and so our pointer buffer size is zero. */
|
|
/* Return the relevant hardcoded response. */
|
|
std::memcpy(message_buffer.GetBufferForDebug(), CmifResponseToQueryPointerBufferSize, sizeof(CmifResponseToQueryPointerBufferSize));
|
|
R_SUCCEED();
|
|
}
|
|
|
|
/* We only support request (with context), from this point forwards. */
|
|
R_UNLESS((tag == CmifCommandType_Request || tag == CmifCommandType_RequestWithContext), tipc::ResultInvalidMethod());
|
|
|
|
/* For ease of parsing, we will alter the tag to be Request when it is RequestWithContext. */
|
|
if (tag == CmifCommandType_RequestWithContext) {
|
|
message_buffer.Set(svc::ipc::MessageBuffer::MessageHeader(CmifCommandType_Request,
|
|
message_header.GetHasSpecialHeader(),
|
|
message_header.GetPointerCount(),
|
|
message_header.GetSendCount(),
|
|
message_header.GetReceiveCount(),
|
|
message_header.GetExchangeCount(),
|
|
message_header.GetRawCount(),
|
|
message_header.GetReceiveListCount()));
|
|
}
|
|
|
|
/* NOTE: Nintendo only supports RegisterClient and GetServiceHandle. However, it would break */
|
|
/* a substantial amount of homebrew system modules, if we were to not provide shims for some */
|
|
/* other commands (RegisterService, and UnregisterService, in particular). As such, we will */
|
|
/* do the nice thing, and accommodate this by providing backwards compatibility shims for */
|
|
/* those commands. */
|
|
|
|
/* Please note, though, that the atmosphere extensions are not shimmed, as performing all the required */
|
|
/* parsing for that seems unreasonable. Also, if you are using atmosphere extensions, you are probably */
|
|
/* used to my breaking shit regularly anyway, and I don't expect much of a fuss to be raised by you. */
|
|
/* I invite you to demonstrate to me that this expectation does not reflect reality. */
|
|
const u8 * const raw_message_buffer = static_cast<const u8 *>(message_buffer.GetBufferForDebug());
|
|
u8 * const out_message_buffer = static_cast<u8 *>(message_buffer.GetBufferForDebug());
|
|
|
|
if (std::memcmp(raw_message_buffer, CmifExpectedRequestHeaderForRegisterClientAndDetachClient, sizeof(CmifExpectedRequestHeaderForRegisterClientAndDetachClient)) == 0) {
|
|
/* Get the command id. */
|
|
const u32 command_id = *reinterpret_cast<const u32 *>(raw_message_buffer + 0x28);
|
|
|
|
/* Get the client process id. */
|
|
u64 client_process_id;
|
|
std::memcpy(std::addressof(client_process_id), raw_message_buffer + 0xC, sizeof(client_process_id));
|
|
|
|
if (command_id == 0) {
|
|
/* Invoke the handler for RegisterClient. */
|
|
R_ABORT_UNLESS(this->RegisterClient(tipc::ClientProcessId{ client_process_id }));
|
|
} else if (command_id == 4) {
|
|
/* Invoke the handler for DetachClient. */
|
|
R_ABORT_UNLESS(this->DetachClient(tipc::ClientProcessId{ client_process_id }));
|
|
} else {
|
|
R_THROW(tipc::ResultInvalidMethod());
|
|
}
|
|
|
|
/* Serialize output. */
|
|
std::memcpy(out_message_buffer, CmifResponseToRegisterClientAndDetachClient, sizeof(CmifResponseToRegisterClientAndDetachClient));
|
|
} else if (std::memcmp(raw_message_buffer, CmifExpectedRequestHeaderForGetServiceHandleAndUnregisterService, sizeof(CmifExpectedRequestHeaderForGetServiceHandleAndUnregisterService)) == 0) {
|
|
/* Get the command id. */
|
|
const u32 command_id = *reinterpret_cast<const u32 *>(raw_message_buffer + 0x18);
|
|
|
|
/* Get the service_name. */
|
|
sm::ServiceName service_name;
|
|
std::memcpy(std::addressof(service_name), raw_message_buffer + 0x20, sizeof(service_name));
|
|
|
|
if (command_id == 1) {
|
|
/* Invoke the handler for GetServiceHandle. */
|
|
svc::Handle out_handle = svc::InvalidHandle;
|
|
const Result result = this->GetServiceHandle(std::addressof(out_handle), service_name);
|
|
|
|
/* Serialize output. */
|
|
if (!tipc::ResultRequestDeferred::Includes(result)) {
|
|
std::memcpy(out_message_buffer + 0x00, CmifResponseToGetServiceHandleAndRegisterService, sizeof(CmifResponseToGetServiceHandleAndRegisterService));
|
|
std::memcpy(out_message_buffer + 0x0C, std::addressof(out_handle), sizeof(out_handle));
|
|
std::memcpy(out_message_buffer + 0x18, std::addressof(result), sizeof(result));
|
|
} else {
|
|
std::memcpy(out_message_buffer, CmifResponseToForceProcessorDeferral, sizeof(CmifResponseToForceProcessorDeferral));
|
|
}
|
|
} else if (command_id == 3) {
|
|
/* Invoke the handler for UnregisterService. */
|
|
const Result result = this->UnregisterService(service_name);
|
|
|
|
/* Serialize output. */
|
|
std::memcpy(out_message_buffer + 0x00, CmifResponseToUnregisterService, sizeof(CmifResponseToUnregisterService));
|
|
std::memcpy(out_message_buffer + 0x18, std::addressof(result), sizeof(result));
|
|
} else {
|
|
R_THROW(tipc::ResultInvalidMethod());
|
|
}
|
|
} else if (std::memcmp(raw_message_buffer, CmifExpectedRequestHeaderForRegisterService, sizeof(CmifExpectedRequestHeaderForRegisterService)) == 0) {
|
|
/* Get the command id. */
|
|
const u32 command_id = *reinterpret_cast<const u32 *>(raw_message_buffer + 0x18);
|
|
|
|
/* Get the service_name. */
|
|
sm::ServiceName service_name;
|
|
std::memcpy(std::addressof(service_name), raw_message_buffer + 0x20, sizeof(service_name));
|
|
|
|
/* Get "is light". */
|
|
bool is_light;
|
|
is_light = (raw_message_buffer[0x28] & 0x01) != 0;
|
|
|
|
/* Get the max sessions. */
|
|
u32 max_sessions;
|
|
std::memcpy(std::addressof(max_sessions), raw_message_buffer + 0x2C, sizeof(max_sessions));
|
|
|
|
if (command_id == 2) {
|
|
/* Invoke the handler for RegisterService. */
|
|
svc::Handle out_handle = svc::InvalidHandle;
|
|
const Result result = this->RegisterService(std::addressof(out_handle), service_name, max_sessions, is_light);
|
|
|
|
/* Serialize output. */
|
|
std::memcpy(out_message_buffer + 0x00, CmifResponseToGetServiceHandleAndRegisterService, sizeof(CmifResponseToGetServiceHandleAndRegisterService));
|
|
std::memcpy(out_message_buffer + 0x0C, std::addressof(out_handle), sizeof(out_handle));
|
|
std::memcpy(out_message_buffer + 0x18, std::addressof(result), sizeof(result));
|
|
} else {
|
|
R_THROW(tipc::ResultInvalidMethod());
|
|
}
|
|
} else {
|
|
R_THROW(tipc::ResultInvalidMethod());
|
|
}
|
|
|
|
R_SUCCEED();
|
|
}
|
|
|
|
}
|