suyu/src/core/hle/service/sockets/bsd.cpp
Morph 99ceb03a1c general: Convert source file copyright comments over to SPDX
This formats all copyright comments according to SPDX formatting guidelines.
Additionally, this resolves the remaining GPLv2 only licensed files by relicensing them to GPLv2.0-or-later.
2022-04-23 05:55:32 -04:00

912 lines
28 KiB
C++

// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include <array>
#include <memory>
#include <utility>
#include <vector>
#include <fmt/format.h>
#include "common/microprofile.h"
#include "core/hle/ipc_helpers.h"
#include "core/hle/kernel/k_thread.h"
#include "core/hle/service/sockets/bsd.h"
#include "core/hle/service/sockets/sockets_translate.h"
#include "core/network/network.h"
#include "core/network/sockets.h"
namespace Service::Sockets {
namespace {
bool IsConnectionBased(Type type) {
switch (type) {
case Type::STREAM:
return true;
case Type::DGRAM:
return false;
default:
UNIMPLEMENTED_MSG("Unimplemented type={}", type);
return false;
}
}
} // Anonymous namespace
void BSD::PollWork::Execute(BSD* bsd) {
std::tie(ret, bsd_errno) = bsd->PollImpl(write_buffer, read_buffer, nfds, timeout);
}
void BSD::PollWork::Response(Kernel::HLERequestContext& ctx) {
if (write_buffer.size() > 0) {
ctx.WriteBuffer(write_buffer);
}
IPC::ResponseBuilder rb{ctx, 4};
rb.Push(ResultSuccess);
rb.Push<s32>(ret);
rb.PushEnum(bsd_errno);
}
void BSD::AcceptWork::Execute(BSD* bsd) {
std::tie(ret, bsd_errno) = bsd->AcceptImpl(fd, write_buffer);
}
void BSD::AcceptWork::Response(Kernel::HLERequestContext& ctx) {
if (write_buffer.size() > 0) {
ctx.WriteBuffer(write_buffer);
}
IPC::ResponseBuilder rb{ctx, 5};
rb.Push(ResultSuccess);
rb.Push<s32>(ret);
rb.PushEnum(bsd_errno);
rb.Push<u32>(static_cast<u32>(write_buffer.size()));
}
void BSD::ConnectWork::Execute(BSD* bsd) {
bsd_errno = bsd->ConnectImpl(fd, addr);
}
void BSD::ConnectWork::Response(Kernel::HLERequestContext& ctx) {
IPC::ResponseBuilder rb{ctx, 4};
rb.Push(ResultSuccess);
rb.Push<s32>(bsd_errno == Errno::SUCCESS ? 0 : -1);
rb.PushEnum(bsd_errno);
}
void BSD::RecvWork::Execute(BSD* bsd) {
std::tie(ret, bsd_errno) = bsd->RecvImpl(fd, flags, message);
}
void BSD::RecvWork::Response(Kernel::HLERequestContext& ctx) {
ctx.WriteBuffer(message);
IPC::ResponseBuilder rb{ctx, 4};
rb.Push(ResultSuccess);
rb.Push<s32>(ret);
rb.PushEnum(bsd_errno);
}
void BSD::RecvFromWork::Execute(BSD* bsd) {
std::tie(ret, bsd_errno) = bsd->RecvFromImpl(fd, flags, message, addr);
}
void BSD::RecvFromWork::Response(Kernel::HLERequestContext& ctx) {
ctx.WriteBuffer(message, 0);
if (!addr.empty()) {
ctx.WriteBuffer(addr, 1);
}
IPC::ResponseBuilder rb{ctx, 5};
rb.Push(ResultSuccess);
rb.Push<s32>(ret);
rb.PushEnum(bsd_errno);
rb.Push<u32>(static_cast<u32>(addr.size()));
}
void BSD::SendWork::Execute(BSD* bsd) {
std::tie(ret, bsd_errno) = bsd->SendImpl(fd, flags, message);
}
void BSD::SendWork::Response(Kernel::HLERequestContext& ctx) {
IPC::ResponseBuilder rb{ctx, 4};
rb.Push(ResultSuccess);
rb.Push<s32>(ret);
rb.PushEnum(bsd_errno);
}
void BSD::SendToWork::Execute(BSD* bsd) {
std::tie(ret, bsd_errno) = bsd->SendToImpl(fd, flags, message, addr);
}
void BSD::SendToWork::Response(Kernel::HLERequestContext& ctx) {
IPC::ResponseBuilder rb{ctx, 4};
rb.Push(ResultSuccess);
rb.Push<s32>(ret);
rb.PushEnum(bsd_errno);
}
void BSD::RegisterClient(Kernel::HLERequestContext& ctx) {
LOG_WARNING(Service, "(STUBBED) called");
IPC::ResponseBuilder rb{ctx, 3};
rb.Push(ResultSuccess);
rb.Push<s32>(0); // bsd errno
}
void BSD::StartMonitoring(Kernel::HLERequestContext& ctx) {
LOG_WARNING(Service, "(STUBBED) called");
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ResultSuccess);
}
void BSD::Socket(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const u32 domain = rp.Pop<u32>();
const u32 type = rp.Pop<u32>();
const u32 protocol = rp.Pop<u32>();
LOG_DEBUG(Service, "called. domain={} type={} protocol={}", domain, type, protocol);
const auto [fd, bsd_errno] = SocketImpl(static_cast<Domain>(domain), static_cast<Type>(type),
static_cast<Protocol>(protocol));
IPC::ResponseBuilder rb{ctx, 4};
rb.Push(ResultSuccess);
rb.Push<s32>(fd);
rb.PushEnum(bsd_errno);
}
void BSD::Select(Kernel::HLERequestContext& ctx) {
LOG_WARNING(Service, "(STUBBED) called");
IPC::ResponseBuilder rb{ctx, 4};
rb.Push(ResultSuccess);
rb.Push<u32>(0); // ret
rb.Push<u32>(0); // bsd errno
}
void BSD::Poll(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const s32 nfds = rp.Pop<s32>();
const s32 timeout = rp.Pop<s32>();
LOG_DEBUG(Service, "called. nfds={} timeout={}", nfds, timeout);
ExecuteWork(ctx, PollWork{
.nfds = nfds,
.timeout = timeout,
.read_buffer = ctx.ReadBuffer(),
.write_buffer = std::vector<u8>(ctx.GetWriteBufferSize()),
});
}
void BSD::Accept(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const s32 fd = rp.Pop<s32>();
LOG_DEBUG(Service, "called. fd={}", fd);
ExecuteWork(ctx, AcceptWork{
.fd = fd,
.write_buffer = std::vector<u8>(ctx.GetWriteBufferSize()),
});
}
void BSD::Bind(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const s32 fd = rp.Pop<s32>();
LOG_DEBUG(Service, "called. fd={} addrlen={}", fd, ctx.GetReadBufferSize());
BuildErrnoResponse(ctx, BindImpl(fd, ctx.ReadBuffer()));
}
void BSD::Connect(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const s32 fd = rp.Pop<s32>();
LOG_DEBUG(Service, "called. fd={} addrlen={}", fd, ctx.GetReadBufferSize());
ExecuteWork(ctx, ConnectWork{
.fd = fd,
.addr = ctx.ReadBuffer(),
});
}
void BSD::GetPeerName(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const s32 fd = rp.Pop<s32>();
LOG_DEBUG(Service, "called. fd={}", fd);
std::vector<u8> write_buffer(ctx.GetWriteBufferSize());
const Errno bsd_errno = GetPeerNameImpl(fd, write_buffer);
ctx.WriteBuffer(write_buffer);
IPC::ResponseBuilder rb{ctx, 5};
rb.Push(ResultSuccess);
rb.Push<s32>(bsd_errno != Errno::SUCCESS ? -1 : 0);
rb.PushEnum(bsd_errno);
rb.Push<u32>(static_cast<u32>(write_buffer.size()));
}
void BSD::GetSockName(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const s32 fd = rp.Pop<s32>();
LOG_DEBUG(Service, "called. fd={}", fd);
std::vector<u8> write_buffer(ctx.GetWriteBufferSize());
const Errno bsd_errno = GetSockNameImpl(fd, write_buffer);
ctx.WriteBuffer(write_buffer);
IPC::ResponseBuilder rb{ctx, 5};
rb.Push(ResultSuccess);
rb.Push<s32>(bsd_errno != Errno::SUCCESS ? -1 : 0);
rb.PushEnum(bsd_errno);
rb.Push<u32>(static_cast<u32>(write_buffer.size()));
}
void BSD::GetSockOpt(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const s32 fd = rp.Pop<s32>();
const u32 level = rp.Pop<u32>();
const auto optname = static_cast<OptName>(rp.Pop<u32>());
LOG_WARNING(Service, "(STUBBED) called. fd={} level={} optname=0x{:x}", fd, level, optname);
std::vector<u8> optval(ctx.GetWriteBufferSize());
ctx.WriteBuffer(optval);
IPC::ResponseBuilder rb{ctx, 5};
rb.Push(ResultSuccess);
rb.Push<s32>(-1);
rb.PushEnum(Errno::NOTCONN);
rb.Push<u32>(static_cast<u32>(optval.size()));
}
void BSD::Listen(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const s32 fd = rp.Pop<s32>();
const s32 backlog = rp.Pop<s32>();
LOG_DEBUG(Service, "called. fd={} backlog={}", fd, backlog);
BuildErrnoResponse(ctx, ListenImpl(fd, backlog));
}
void BSD::Fcntl(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const s32 fd = rp.Pop<s32>();
const s32 cmd = rp.Pop<s32>();
const s32 arg = rp.Pop<s32>();
LOG_DEBUG(Service, "called. fd={} cmd={} arg={}", fd, cmd, arg);
const auto [ret, bsd_errno] = FcntlImpl(fd, static_cast<FcntlCmd>(cmd), arg);
IPC::ResponseBuilder rb{ctx, 4};
rb.Push(ResultSuccess);
rb.Push<s32>(ret);
rb.PushEnum(bsd_errno);
}
void BSD::SetSockOpt(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const s32 fd = rp.Pop<s32>();
const u32 level = rp.Pop<u32>();
const OptName optname = static_cast<OptName>(rp.Pop<u32>());
const std::vector<u8> buffer = ctx.ReadBuffer();
const u8* optval = buffer.empty() ? nullptr : buffer.data();
size_t optlen = buffer.size();
std::array<u64, 2> values;
if ((optname == OptName::SNDTIMEO || optname == OptName::RCVTIMEO) && buffer.size() == 8) {
std::memcpy(values.data(), buffer.data(), sizeof(values));
optlen = sizeof(values);
optval = reinterpret_cast<const u8*>(values.data());
}
LOG_DEBUG(Service, "called. fd={} level={} optname=0x{:x} optlen={}", fd, level,
static_cast<u32>(optname), optlen);
BuildErrnoResponse(ctx, SetSockOptImpl(fd, level, optname, optlen, optval));
}
void BSD::Shutdown(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const s32 fd = rp.Pop<s32>();
const s32 how = rp.Pop<s32>();
LOG_DEBUG(Service, "called. fd={} how={}", fd, how);
BuildErrnoResponse(ctx, ShutdownImpl(fd, how));
}
void BSD::Recv(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const s32 fd = rp.Pop<s32>();
const u32 flags = rp.Pop<u32>();
LOG_DEBUG(Service, "called. fd={} flags=0x{:x} len={}", fd, flags, ctx.GetWriteBufferSize());
ExecuteWork(ctx, RecvWork{
.fd = fd,
.flags = flags,
.message = std::vector<u8>(ctx.GetWriteBufferSize()),
});
}
void BSD::RecvFrom(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const s32 fd = rp.Pop<s32>();
const u32 flags = rp.Pop<u32>();
LOG_DEBUG(Service, "called. fd={} flags=0x{:x} len={} addrlen={}", fd, flags,
ctx.GetWriteBufferSize(0), ctx.GetWriteBufferSize(1));
ExecuteWork(ctx, RecvFromWork{
.fd = fd,
.flags = flags,
.message = std::vector<u8>(ctx.GetWriteBufferSize(0)),
.addr = std::vector<u8>(ctx.GetWriteBufferSize(1)),
});
}
void BSD::Send(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const s32 fd = rp.Pop<s32>();
const u32 flags = rp.Pop<u32>();
LOG_DEBUG(Service, "called. fd={} flags=0x{:x} len={}", fd, flags, ctx.GetReadBufferSize());
ExecuteWork(ctx, SendWork{
.fd = fd,
.flags = flags,
.message = ctx.ReadBuffer(),
});
}
void BSD::SendTo(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const s32 fd = rp.Pop<s32>();
const u32 flags = rp.Pop<u32>();
LOG_DEBUG(Service, "called. fd={} flags=0x{} len={} addrlen={}", fd, flags,
ctx.GetReadBufferSize(0), ctx.GetReadBufferSize(1));
ExecuteWork(ctx, SendToWork{
.fd = fd,
.flags = flags,
.message = ctx.ReadBuffer(0),
.addr = ctx.ReadBuffer(1),
});
}
void BSD::Write(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const s32 fd = rp.Pop<s32>();
LOG_DEBUG(Service, "called. fd={} len={}", fd, ctx.GetReadBufferSize());
ExecuteWork(ctx, SendWork{
.fd = fd,
.flags = 0,
.message = ctx.ReadBuffer(),
});
}
void BSD::Read(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const s32 fd = rp.Pop<s32>();
LOG_WARNING(Service, "(STUBBED) called. fd={} len={}", fd, ctx.GetWriteBufferSize());
IPC::ResponseBuilder rb{ctx, 4};
rb.Push(ResultSuccess);
rb.Push<u32>(0); // ret
rb.Push<u32>(0); // bsd errno
}
void BSD::Close(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const s32 fd = rp.Pop<s32>();
LOG_DEBUG(Service, "called. fd={}", fd);
BuildErrnoResponse(ctx, CloseImpl(fd));
}
void BSD::EventFd(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const u64 initval = rp.Pop<u64>();
const u32 flags = rp.Pop<u32>();
LOG_WARNING(Service, "(STUBBED) called. initval={}, flags={}", initval, flags);
BuildErrnoResponse(ctx, Errno::SUCCESS);
}
template <typename Work>
void BSD::ExecuteWork(Kernel::HLERequestContext& ctx, Work work) {
work.Execute(this);
work.Response(ctx);
}
std::pair<s32, Errno> BSD::SocketImpl(Domain domain, Type type, Protocol protocol) {
if (type == Type::SEQPACKET) {
UNIMPLEMENTED_MSG("SOCK_SEQPACKET errno management");
} else if (type == Type::RAW && (domain != Domain::INET || protocol != Protocol::ICMP)) {
UNIMPLEMENTED_MSG("SOCK_RAW errno management");
}
[[maybe_unused]] const bool unk_flag = (static_cast<u32>(type) & 0x20000000) != 0;
UNIMPLEMENTED_IF_MSG(unk_flag, "Unknown flag in type");
type = static_cast<Type>(static_cast<u32>(type) & ~0x20000000);
const s32 fd = FindFreeFileDescriptorHandle();
if (fd < 0) {
LOG_ERROR(Service, "No more file descriptors available");
return {-1, Errno::MFILE};
}
file_descriptors[fd] = FileDescriptor{};
FileDescriptor& descriptor = *file_descriptors[fd];
// ENONMEM might be thrown here
LOG_INFO(Service, "New socket fd={}", fd);
descriptor.socket = std::make_unique<Network::Socket>();
descriptor.socket->Initialize(Translate(domain), Translate(type), Translate(type, protocol));
descriptor.is_connection_based = IsConnectionBased(type);
return {fd, Errno::SUCCESS};
}
std::pair<s32, Errno> BSD::PollImpl(std::vector<u8>& write_buffer, std::vector<u8> read_buffer,
s32 nfds, s32 timeout) {
if (write_buffer.size() < nfds * sizeof(PollFD)) {
return {-1, Errno::INVAL};
}
if (nfds == 0) {
// When no entries are provided, -1 is returned with errno zero
return {-1, Errno::SUCCESS};
}
const size_t length = std::min(read_buffer.size(), write_buffer.size());
std::vector<PollFD> fds(nfds);
std::memcpy(fds.data(), read_buffer.data(), length);
if (timeout >= 0) {
const s64 seconds = timeout / 1000;
const u64 nanoseconds = 1'000'000 * (static_cast<u64>(timeout) % 1000);
if (seconds < 0) {
return {-1, Errno::INVAL};
}
if (nanoseconds > 999'999'999) {
return {-1, Errno::INVAL};
}
} else if (timeout != -1) {
return {-1, Errno::INVAL};
}
for (PollFD& pollfd : fds) {
ASSERT(False(pollfd.revents));
if (pollfd.fd > static_cast<s32>(MAX_FD) || pollfd.fd < 0) {
LOG_ERROR(Service, "File descriptor handle={} is invalid", pollfd.fd);
pollfd.revents = PollEvents{};
return {0, Errno::SUCCESS};
}
const std::optional<FileDescriptor>& descriptor = file_descriptors[pollfd.fd];
if (!descriptor) {
LOG_ERROR(Service, "File descriptor handle={} is not allocated", pollfd.fd);
pollfd.revents = PollEvents::Nval;
return {0, Errno::SUCCESS};
}
}
std::vector<Network::PollFD> host_pollfds(fds.size());
std::transform(fds.begin(), fds.end(), host_pollfds.begin(), [this](PollFD pollfd) {
Network::PollFD result;
result.socket = file_descriptors[pollfd.fd]->socket.get();
result.events = TranslatePollEventsToHost(pollfd.events);
result.revents = Network::PollEvents{};
return result;
});
const auto result = Network::Poll(host_pollfds, timeout);
const size_t num = host_pollfds.size();
for (size_t i = 0; i < num; ++i) {
fds[i].revents = TranslatePollEventsToGuest(host_pollfds[i].revents);
}
std::memcpy(write_buffer.data(), fds.data(), length);
return Translate(result);
}
std::pair<s32, Errno> BSD::AcceptImpl(s32 fd, std::vector<u8>& write_buffer) {
if (!IsFileDescriptorValid(fd)) {
return {-1, Errno::BADF};
}
const s32 new_fd = FindFreeFileDescriptorHandle();
if (new_fd < 0) {
LOG_ERROR(Service, "No more file descriptors available");
return {-1, Errno::MFILE};
}
FileDescriptor& descriptor = *file_descriptors[fd];
auto [result, bsd_errno] = descriptor.socket->Accept();
if (bsd_errno != Network::Errno::SUCCESS) {
return {-1, Translate(bsd_errno)};
}
file_descriptors[new_fd] = FileDescriptor{};
FileDescriptor& new_descriptor = *file_descriptors[new_fd];
new_descriptor.socket = std::move(result.socket);
new_descriptor.is_connection_based = descriptor.is_connection_based;
const SockAddrIn guest_addr_in = Translate(result.sockaddr_in);
const size_t length = std::min(sizeof(guest_addr_in), write_buffer.size());
std::memcpy(write_buffer.data(), &guest_addr_in, length);
return {new_fd, Errno::SUCCESS};
}
Errno BSD::BindImpl(s32 fd, const std::vector<u8>& addr) {
if (!IsFileDescriptorValid(fd)) {
return Errno::BADF;
}
ASSERT(addr.size() == sizeof(SockAddrIn));
SockAddrIn addr_in;
std::memcpy(&addr_in, addr.data(), sizeof(addr_in));
return Translate(file_descriptors[fd]->socket->Bind(Translate(addr_in)));
}
Errno BSD::ConnectImpl(s32 fd, const std::vector<u8>& addr) {
if (!IsFileDescriptorValid(fd)) {
return Errno::BADF;
}
UNIMPLEMENTED_IF(addr.size() != sizeof(SockAddrIn));
SockAddrIn addr_in;
std::memcpy(&addr_in, addr.data(), sizeof(addr_in));
return Translate(file_descriptors[fd]->socket->Connect(Translate(addr_in)));
}
Errno BSD::GetPeerNameImpl(s32 fd, std::vector<u8>& write_buffer) {
if (!IsFileDescriptorValid(fd)) {
return Errno::BADF;
}
const auto [addr_in, bsd_errno] = file_descriptors[fd]->socket->GetPeerName();
if (bsd_errno != Network::Errno::SUCCESS) {
return Translate(bsd_errno);
}
const SockAddrIn guest_addrin = Translate(addr_in);
ASSERT(write_buffer.size() == sizeof(guest_addrin));
std::memcpy(write_buffer.data(), &guest_addrin, sizeof(guest_addrin));
return Translate(bsd_errno);
}
Errno BSD::GetSockNameImpl(s32 fd, std::vector<u8>& write_buffer) {
if (!IsFileDescriptorValid(fd)) {
return Errno::BADF;
}
const auto [addr_in, bsd_errno] = file_descriptors[fd]->socket->GetSockName();
if (bsd_errno != Network::Errno::SUCCESS) {
return Translate(bsd_errno);
}
const SockAddrIn guest_addrin = Translate(addr_in);
ASSERT(write_buffer.size() == sizeof(guest_addrin));
std::memcpy(write_buffer.data(), &guest_addrin, sizeof(guest_addrin));
return Translate(bsd_errno);
}
Errno BSD::ListenImpl(s32 fd, s32 backlog) {
if (!IsFileDescriptorValid(fd)) {
return Errno::BADF;
}
return Translate(file_descriptors[fd]->socket->Listen(backlog));
}
std::pair<s32, Errno> BSD::FcntlImpl(s32 fd, FcntlCmd cmd, s32 arg) {
if (!IsFileDescriptorValid(fd)) {
return {-1, Errno::BADF};
}
FileDescriptor& descriptor = *file_descriptors[fd];
switch (cmd) {
case FcntlCmd::GETFL:
ASSERT(arg == 0);
return {descriptor.flags, Errno::SUCCESS};
case FcntlCmd::SETFL: {
const bool enable = (arg & FLAG_O_NONBLOCK) != 0;
const Errno bsd_errno = Translate(descriptor.socket->SetNonBlock(enable));
if (bsd_errno != Errno::SUCCESS) {
return {-1, bsd_errno};
}
descriptor.flags = arg;
return {0, Errno::SUCCESS};
}
default:
UNIMPLEMENTED_MSG("Unimplemented cmd={}", cmd);
return {-1, Errno::SUCCESS};
}
}
Errno BSD::SetSockOptImpl(s32 fd, u32 level, OptName optname, size_t optlen, const void* optval) {
UNIMPLEMENTED_IF(level != 0xffff); // SOL_SOCKET
if (!IsFileDescriptorValid(fd)) {
return Errno::BADF;
}
Network::Socket* const socket = file_descriptors[fd]->socket.get();
if (optname == OptName::LINGER) {
ASSERT(optlen == sizeof(Linger));
Linger linger;
std::memcpy(&linger, optval, sizeof(linger));
ASSERT(linger.onoff == 0 || linger.onoff == 1);
return Translate(socket->SetLinger(linger.onoff != 0, linger.linger));
}
ASSERT(optlen == sizeof(u32));
u32 value;
std::memcpy(&value, optval, sizeof(value));
switch (optname) {
case OptName::REUSEADDR:
ASSERT(value == 0 || value == 1);
return Translate(socket->SetReuseAddr(value != 0));
case OptName::KEEPALIVE:
ASSERT(value == 0 || value == 1);
return Translate(socket->SetKeepAlive(value != 0));
case OptName::BROADCAST:
ASSERT(value == 0 || value == 1);
return Translate(socket->SetBroadcast(value != 0));
case OptName::SNDBUF:
return Translate(socket->SetSndBuf(value));
case OptName::RCVBUF:
return Translate(socket->SetRcvBuf(value));
case OptName::SNDTIMEO:
return Translate(socket->SetSndTimeo(value));
case OptName::RCVTIMEO:
return Translate(socket->SetRcvTimeo(value));
default:
UNIMPLEMENTED_MSG("Unimplemented optname={}", optname);
return Errno::SUCCESS;
}
}
Errno BSD::ShutdownImpl(s32 fd, s32 how) {
if (!IsFileDescriptorValid(fd)) {
return Errno::BADF;
}
const Network::ShutdownHow host_how = Translate(static_cast<ShutdownHow>(how));
return Translate(file_descriptors[fd]->socket->Shutdown(host_how));
}
std::pair<s32, Errno> BSD::RecvImpl(s32 fd, u32 flags, std::vector<u8>& message) {
if (!IsFileDescriptorValid(fd)) {
return {-1, Errno::BADF};
}
return Translate(file_descriptors[fd]->socket->Recv(flags, message));
}
std::pair<s32, Errno> BSD::RecvFromImpl(s32 fd, u32 flags, std::vector<u8>& message,
std::vector<u8>& addr) {
if (!IsFileDescriptorValid(fd)) {
return {-1, Errno::BADF};
}
FileDescriptor& descriptor = *file_descriptors[fd];
Network::SockAddrIn addr_in{};
Network::SockAddrIn* p_addr_in = nullptr;
if (descriptor.is_connection_based) {
// Connection based file descriptors (e.g. TCP) zero addr
addr.clear();
} else {
p_addr_in = &addr_in;
}
// Apply flags
if ((flags & FLAG_MSG_DONTWAIT) != 0) {
flags &= ~FLAG_MSG_DONTWAIT;
if ((descriptor.flags & FLAG_O_NONBLOCK) == 0) {
descriptor.socket->SetNonBlock(true);
}
}
const auto [ret, bsd_errno] = Translate(descriptor.socket->RecvFrom(flags, message, p_addr_in));
// Restore original state
if ((descriptor.flags & FLAG_O_NONBLOCK) == 0) {
descriptor.socket->SetNonBlock(false);
}
if (p_addr_in) {
if (ret < 0) {
addr.clear();
} else {
ASSERT(addr.size() == sizeof(SockAddrIn));
const SockAddrIn result = Translate(addr_in);
std::memcpy(addr.data(), &result, sizeof(result));
}
}
return {ret, bsd_errno};
}
std::pair<s32, Errno> BSD::SendImpl(s32 fd, u32 flags, const std::vector<u8>& message) {
if (!IsFileDescriptorValid(fd)) {
return {-1, Errno::BADF};
}
return Translate(file_descriptors[fd]->socket->Send(message, flags));
}
std::pair<s32, Errno> BSD::SendToImpl(s32 fd, u32 flags, const std::vector<u8>& message,
const std::vector<u8>& addr) {
if (!IsFileDescriptorValid(fd)) {
return {-1, Errno::BADF};
}
Network::SockAddrIn addr_in;
Network::SockAddrIn* p_addr_in = nullptr;
if (!addr.empty()) {
ASSERT(addr.size() == sizeof(SockAddrIn));
SockAddrIn guest_addr_in;
std::memcpy(&guest_addr_in, addr.data(), sizeof(guest_addr_in));
addr_in = Translate(guest_addr_in);
p_addr_in = &addr_in;
}
return Translate(file_descriptors[fd]->socket->SendTo(flags, message, p_addr_in));
}
Errno BSD::CloseImpl(s32 fd) {
if (!IsFileDescriptorValid(fd)) {
return Errno::BADF;
}
const Errno bsd_errno = Translate(file_descriptors[fd]->socket->Close());
if (bsd_errno != Errno::SUCCESS) {
return bsd_errno;
}
LOG_INFO(Service, "Close socket fd={}", fd);
file_descriptors[fd].reset();
return bsd_errno;
}
s32 BSD::FindFreeFileDescriptorHandle() noexcept {
for (s32 fd = 0; fd < static_cast<s32>(file_descriptors.size()); ++fd) {
if (!file_descriptors[fd]) {
return fd;
}
}
return -1;
}
bool BSD::IsFileDescriptorValid(s32 fd) const noexcept {
if (fd > static_cast<s32>(MAX_FD) || fd < 0) {
LOG_ERROR(Service, "Invalid file descriptor handle={}", fd);
return false;
}
if (!file_descriptors[fd]) {
LOG_ERROR(Service, "File descriptor handle={} is not allocated", fd);
return false;
}
return true;
}
void BSD::BuildErrnoResponse(Kernel::HLERequestContext& ctx, Errno bsd_errno) const noexcept {
IPC::ResponseBuilder rb{ctx, 4};
rb.Push(ResultSuccess);
rb.Push<s32>(bsd_errno == Errno::SUCCESS ? 0 : -1);
rb.PushEnum(bsd_errno);
}
BSD::BSD(Core::System& system_, const char* name)
: ServiceFramework{system_, name, ServiceThreadType::CreateNew} {
// clang-format off
static const FunctionInfo functions[] = {
{0, &BSD::RegisterClient, "RegisterClient"},
{1, &BSD::StartMonitoring, "StartMonitoring"},
{2, &BSD::Socket, "Socket"},
{3, nullptr, "SocketExempt"},
{4, nullptr, "Open"},
{5, &BSD::Select, "Select"},
{6, &BSD::Poll, "Poll"},
{7, nullptr, "Sysctl"},
{8, &BSD::Recv, "Recv"},
{9, &BSD::RecvFrom, "RecvFrom"},
{10, &BSD::Send, "Send"},
{11, &BSD::SendTo, "SendTo"},
{12, &BSD::Accept, "Accept"},
{13, &BSD::Bind, "Bind"},
{14, &BSD::Connect, "Connect"},
{15, &BSD::GetPeerName, "GetPeerName"},
{16, &BSD::GetSockName, "GetSockName"},
{17, &BSD::GetSockOpt, "GetSockOpt"},
{18, &BSD::Listen, "Listen"},
{19, nullptr, "Ioctl"},
{20, &BSD::Fcntl, "Fcntl"},
{21, &BSD::SetSockOpt, "SetSockOpt"},
{22, &BSD::Shutdown, "Shutdown"},
{23, nullptr, "ShutdownAllSockets"},
{24, &BSD::Write, "Write"},
{25, &BSD::Read, "Read"},
{26, &BSD::Close, "Close"},
{27, nullptr, "DuplicateSocket"},
{28, nullptr, "GetResourceStatistics"},
{29, nullptr, "RecvMMsg"},
{30, nullptr, "SendMMsg"},
{31, &BSD::EventFd, "EventFd"},
{32, nullptr, "RegisterResourceStatisticsName"},
{33, nullptr, "Initialize2"},
};
// clang-format on
RegisterHandlers(functions);
}
BSD::~BSD() = default;
BSDCFG::BSDCFG(Core::System& system_) : ServiceFramework{system_, "bsdcfg"} {
// clang-format off
static const FunctionInfo functions[] = {
{0, nullptr, "SetIfUp"},
{1, nullptr, "SetIfUpWithEvent"},
{2, nullptr, "CancelIf"},
{3, nullptr, "SetIfDown"},
{4, nullptr, "GetIfState"},
{5, nullptr, "DhcpRenew"},
{6, nullptr, "AddStaticArpEntry"},
{7, nullptr, "RemoveArpEntry"},
{8, nullptr, "LookupArpEntry"},
{9, nullptr, "LookupArpEntry2"},
{10, nullptr, "ClearArpEntries"},
{11, nullptr, "ClearArpEntries2"},
{12, nullptr, "PrintArpEntries"},
};
// clang-format on
RegisterHandlers(functions);
}
BSDCFG::~BSDCFG() = default;
} // namespace Service::Sockets