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// Copyright 2015 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "common/assert.h"
#include "common/logging/log.h"
#include "common/string_util.h"
#include "core/hle/ipc.h"
#include "core/hle/ipc_helpers.h"
#include "core/hle/result.h"
#include "core/hle/service/frd/frd.h"
#include "core/hle/service/frd/frd_a.h"
#include "core/hle/service/frd/frd_u.h"
#include "core/hle/service/service.h"
#include "core/memory.h"
namespace Service {
namespace FRD {
static FriendKey my_friend_key = {0, 0, 0ull};
static MyPresence my_presence = {};
void GetMyPresence(Service::Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
u32 shifted_out_size = cmd_buff[64];
u32 my_presence_addr = cmd_buff[65];
ASSERT(shifted_out_size == ((sizeof(MyPresence) << 14) | 2));
Memory::WriteBlock(my_presence_addr, &my_presence, sizeof(MyPresence));
cmd_buff[1] = RESULT_SUCCESS.raw; // No error
LOG_WARNING(Service_FRD, "(STUBBED) called");
}
void GetFriendKeyList(Service::Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
u32 unknown = cmd_buff[1];
u32 frd_count = cmd_buff[2];
u32 frd_key_addr = cmd_buff[65];
FriendKey zero_key = {};
for (u32 i = 0; i < frd_count; ++i) {
Memory::WriteBlock(frd_key_addr + i * sizeof(FriendKey), &zero_key, sizeof(FriendKey));
}
cmd_buff[1] = RESULT_SUCCESS.raw; // No error
cmd_buff[2] = 0; // 0 friends
LOG_WARNING(Service_FRD, "(STUBBED) called, unknown=%d, frd_count=%d, frd_key_addr=0x%08X",
unknown, frd_count, frd_key_addr);
}
void GetFriendProfile(Service::Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
u32 count = cmd_buff[1];
u32 frd_key_addr = cmd_buff[3];
u32 profiles_addr = cmd_buff[65];
Profile zero_profile = {};
for (u32 i = 0; i < count; ++i) {
Memory::WriteBlock(profiles_addr + i * sizeof(Profile), &zero_profile, sizeof(Profile));
}
cmd_buff[1] = RESULT_SUCCESS.raw; // No error
LOG_WARNING(Service_FRD,
"(STUBBED) called, count=%d, frd_key_addr=0x%08X, profiles_addr=0x%08X", count,
frd_key_addr, profiles_addr);
}
void GetFriendAttributeFlags(Service::Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
u32 count = cmd_buff[1];
u32 frd_key_addr = cmd_buff[3];
u32 attr_flags_addr = cmd_buff[65];
for (u32 i = 0; i < count; ++i) {
// TODO:(mailwl) figure out AttributeFlag size and zero all buffer. Assume 1 byte
Memory::Write8(attr_flags_addr + i, 0);
}
cmd_buff[1] = RESULT_SUCCESS.raw; // No error
LOG_WARNING(Service_FRD,
"(STUBBED) called, count=%d, frd_key_addr=0x%08X, attr_flags_addr=0x%08X", count,
frd_key_addr, attr_flags_addr);
}
void GetMyFriendKey(Service::Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
cmd_buff[1] = RESULT_SUCCESS.raw; // No error
std::memcpy(&cmd_buff[2], &my_friend_key, sizeof(FriendKey));
LOG_WARNING(Service_FRD, "(STUBBED) called");
}
void GetMyScreenName(Service::Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
cmd_buff[1] = RESULT_SUCCESS.raw; // No error
// TODO: (mailwl) get the name from config
Common::UTF8ToUTF16("Citra").copy(reinterpret_cast<char16_t*>(&cmd_buff[2]), 11);
LOG_WARNING(Service_FRD, "(STUBBED) called");
}
void UnscrambleLocalFriendCode(Service::Interface* self) {
const size_t scrambled_friend_code_size = 12;
const size_t friend_code_size = 8;
IPC::RequestParser rp(Kernel::GetCommandBuffer(), 0x1C, 1, 2);
const u32 friend_code_count = rp.Pop<u32>();
size_t in_buffer_size;
const VAddr scrambled_friend_codes = rp.PopStaticBuffer(&in_buffer_size, false);
ASSERT_MSG(in_buffer_size == (friend_code_count * scrambled_friend_code_size),
"Wrong input buffer size");
size_t out_buffer_size;
VAddr unscrambled_friend_codes = rp.PeekStaticBuffer(0, &out_buffer_size);
ASSERT_MSG(out_buffer_size == (friend_code_count * friend_code_size),
"Wrong output buffer size");
for (u32 current = 0; current < friend_code_count; ++current) {
// TODO(B3N30): Unscramble the codes and compare them against the friend list
// Only write 0 if the code isn't in friend list, otherwise write the
// unscrambled one
//
// Code for unscrambling (should be compared to HW):
// std::array<u16, 6> scambled_friend_code;
// Memory::ReadBlock(scrambled_friend_codes+(current*scrambled_friend_code_size),
// scambled_friend_code.data(), scrambled_friend_code_size); std::array<u16, 4>
// unscrambled_friend_code; unscrambled_friend_code[0] = scambled_friend_code[0] ^
// scambled_friend_code[5]; unscrambled_friend_code[1] = scambled_friend_code[1] ^
// scambled_friend_code[5]; unscrambled_friend_code[2] = scambled_friend_code[2] ^
// scambled_friend_code[5]; unscrambled_friend_code[3] = scambled_friend_code[3] ^
// scambled_friend_code[5];
u64 result = 0ull;
Memory::WriteBlock(unscrambled_friend_codes + (current * sizeof(result)), &result,
sizeof(result));
}
LOG_WARNING(Service_FRD, "(STUBBED) called");
IPC::RequestBuilder rb = rp.MakeBuilder(1, 2);
rb.Push(RESULT_SUCCESS);
rb.PushStaticBuffer(unscrambled_friend_codes, out_buffer_size, 0);
}
void SetClientSdkVersion(Service::Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
const u32 version = cmd_buff[1];
self->SetVersion(version);
LOG_WARNING(Service_FRD, "(STUBBED) called, version: 0x%08X", version);
cmd_buff[1] = RESULT_SUCCESS.raw; // No error
}
void Init() {
using namespace Kernel;
AddService(new FRD_A_Interface);
AddService(new FRD_U_Interface);
}
void Shutdown() {}
} // namespace FRD
} // namespace Service
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