mirror of
https://github.com/Atmosphere-NX/Atmosphere
synced 2024-11-14 00:56:35 +00:00
132 lines
5 KiB
C++
132 lines
5 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 "htclow_socket_discovery_util.hpp"
|
|
#include "../ctrl/htclow_ctrl_settings_holder.hpp"
|
|
|
|
namespace ams::htclow::driver {
|
|
|
|
namespace {
|
|
|
|
constexpr inline u32 AutoConnectIpv4RequestServiceId = 0x834C775A;
|
|
constexpr inline u32 BeaconResponseServiceId = 0xA6F7FA96;
|
|
|
|
constexpr const char MakeAutoConnectIpv4RequestPacketFormat[] =
|
|
"{\r\n"
|
|
" \"Address\" : \"%u.%u.%u.%u\",\r\n"
|
|
" \"Port\" : %u,\r\n"
|
|
" \"HW\" : \"%s\",\r\n"
|
|
" \"SN\" : \"%s\"\r\n"
|
|
"}\r\n";
|
|
|
|
constexpr const char BeaconResponsePacketFormat[] =
|
|
"{\r\n"
|
|
" \"Gen\" : 2,\r\n"
|
|
" \"Spec \": \"%s\",\r\n"
|
|
" \"MAC\" : \"00:00:00:00:00:00\",\r\n"
|
|
" \"Conn\" : \"TCP\",\r\n"
|
|
" \"HW\" : \"%s\",\r\n"
|
|
" \"Name\" : \"%s\",\r\n"
|
|
" \"SN\" : \"%s\",\r\n"
|
|
" \"FW\" : \"%s\"\r\n"
|
|
"}\r\n";
|
|
|
|
constinit os::SdkMutex g_settings_holder_mutex;
|
|
constinit bool g_settings_holder_initialized = false;
|
|
constinit htclow::ctrl::SettingsHolder g_settings_holder;
|
|
|
|
void InitializeSettingsHolder() {
|
|
std::scoped_lock lk(g_settings_holder_mutex);
|
|
|
|
if (!g_settings_holder_initialized) {
|
|
g_settings_holder.LoadSettings();
|
|
g_settings_holder_initialized = true;
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
s32 MakeAutoConnectIpv4RequestPacket(char *dst, size_t dst_size, const socket::SockAddrIn &sockaddr) {
|
|
/* Initialize the settings holder. */
|
|
InitializeSettingsHolder();
|
|
|
|
/* Create the packet header. */
|
|
TmipcHeader header = {
|
|
.service_id = AutoConnectIpv4RequestServiceId,
|
|
.version = TmipcVersion,
|
|
};
|
|
|
|
/* Create the packet body. */
|
|
std::scoped_lock lk(g_settings_holder_mutex);
|
|
const auto addr = sockaddr.sin_addr.s_addr;
|
|
|
|
char packet_body[0x100];
|
|
const auto ideal_len = util::SNPrintf(packet_body, sizeof(packet_body), MakeAutoConnectIpv4RequestPacketFormat,
|
|
(addr >> 0) & 0xFF, (addr >> 8) & 0xFF, (addr >> 16) & 0xFF, (addr >> 24) & 0xFF,
|
|
socket::InetNtohs(sockaddr.sin_port),
|
|
g_settings_holder.GetHardwareType(),
|
|
"" /* Nintendo passes empty string as serial number here. */
|
|
);
|
|
|
|
/* Determine actual usable body length. */
|
|
header.data_len = std::max<u32>(ideal_len, sizeof(packet_body));
|
|
|
|
/* Check that the packet will fit. */
|
|
AMS_ABORT_UNLESS(sizeof(header) + header.data_len <= dst_size);
|
|
|
|
/* Copy the formatted header. */
|
|
std::memcpy(dst, std::addressof(header), sizeof(header));
|
|
std::memcpy(dst + sizeof(header), packet_body, header.data_len);
|
|
|
|
return header.data_len;
|
|
}
|
|
|
|
s32 MakeBeaconResponsePacket(char *dst, size_t dst_size) {
|
|
/* Initialize the settings holder. */
|
|
InitializeSettingsHolder();
|
|
|
|
/* Create the packet header. */
|
|
TmipcHeader header = {
|
|
.service_id = BeaconResponseServiceId,
|
|
.version = TmipcVersion,
|
|
};
|
|
|
|
/* Create the packet body. */
|
|
std::scoped_lock lk(g_settings_holder_mutex);
|
|
|
|
char packet_body[0x100];
|
|
const auto ideal_len = util::SNPrintf(packet_body, sizeof(packet_body), BeaconResponsePacketFormat,
|
|
g_settings_holder.GetSpec(),
|
|
g_settings_holder.GetHardwareType(),
|
|
g_settings_holder.GetTargetName(),
|
|
g_settings_holder.GetSerialNumber(),
|
|
g_settings_holder.GetFirmwareVersion()
|
|
);
|
|
|
|
/* Determine actual usable body length. */
|
|
header.data_len = std::max<u32>(ideal_len, sizeof(packet_body));
|
|
|
|
/* Check that the packet will fit. */
|
|
AMS_ABORT_UNLESS(sizeof(header) + header.data_len <= dst_size);
|
|
|
|
/* Copy the formatted header. */
|
|
std::memcpy(dst, std::addressof(header), sizeof(header));
|
|
std::memcpy(dst + sizeof(header), packet_body, header.data_len);
|
|
|
|
return header.data_len;
|
|
}
|
|
|
|
}
|