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dc8479928c
yuzu/src/core/hle/service/soc_u.cpp
Emmanuel Gil Peyrot dc8479928c Sources: Run clang-format on everything.
2016-09-18 09:38:01 +09:00

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// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <algorithm>
#include <cstring>
#include <unordered_map>
#include <vector>
#include "common/assert.h"
#include "common/bit_field.h"
#include "common/common_types.h"
#include "common/logging/log.h"
#include "common/scope_exit.h"
#include "core/hle/kernel/session.h"
#include "core/hle/result.h"
#include "core/hle/service/soc_u.h"
#include "core/memory.h"
#ifdef _WIN32
#include <winsock2.h>
#include <ws2tcpip.h>
// MinGW does not define several errno constants
#ifndef _MSC_VER
#define EBADMSG 104
#define ENODATA 120
#define ENOMSG 122
#define ENOSR 124
#define ENOSTR 125
#define ETIME 137
#define EIDRM 2001
#define ENOLINK 2002
#endif // _MSC_VER
#else
#include <cerrno>
#include <fcntl.h>
#include <netdb.h>
#include <netinet/in.h>
#include <poll.h>
#include <sys/socket.h>
#include <unistd.h>
#endif
#ifdef _WIN32
#define WSAEAGAIN WSAEWOULDBLOCK
#define WSAEMULTIHOP -1 // Invalid dummy value
#define ERRNO(x) WSA##x
#define GET_ERRNO WSAGetLastError()
#define poll(x, y, z) WSAPoll(x, y, z);
#else
#define ERRNO(x) x
#define GET_ERRNO errno
#define closesocket(x) close(x)
#endif
static const s32 SOCKET_ERROR_VALUE = -1;
////////////////////////////////////////////////////////////////////////////////////////////////////
// Namespace SOC_U
namespace SOC_U {
/// Holds the translation from system network errors to 3DS network errors
static const std::unordered_map<int, int> error_map = {{{E2BIG, 1},
{ERRNO(EACCES), 2},
{ERRNO(EADDRINUSE), 3},
{ERRNO(EADDRNOTAVAIL), 4},
{ERRNO(EAFNOSUPPORT), 5},
{ERRNO(EAGAIN), 6},
{ERRNO(EALREADY), 7},
{ERRNO(EBADF), 8},
{EBADMSG, 9},
{EBUSY, 10},
{ECANCELED, 11},
{ECHILD, 12},
{ERRNO(ECONNABORTED), 13},
{ERRNO(ECONNREFUSED), 14},
{ERRNO(ECONNRESET), 15},
{EDEADLK, 16},
{ERRNO(EDESTADDRREQ), 17},
{EDOM, 18},
{ERRNO(EDQUOT), 19},
{EEXIST, 20},
{ERRNO(EFAULT), 21},
{EFBIG, 22},
{ERRNO(EHOSTUNREACH), 23},
{EIDRM, 24},
{EILSEQ, 25},
{ERRNO(EINPROGRESS), 26},
{ERRNO(EINTR), 27},
{ERRNO(EINVAL), 28},
{EIO, 29},
{ERRNO(EISCONN), 30},
{EISDIR, 31},
{ERRNO(ELOOP), 32},
{ERRNO(EMFILE), 33},
{EMLINK, 34},
{ERRNO(EMSGSIZE), 35},
{ERRNO(EMULTIHOP), 36},
{ERRNO(ENAMETOOLONG), 37},
{ERRNO(ENETDOWN), 38},
{ERRNO(ENETRESET), 39},
{ERRNO(ENETUNREACH), 40},
{ENFILE, 41},
{ERRNO(ENOBUFS), 42},
{ENODATA, 43},
{ENODEV, 44},
{ENOENT, 45},
{ENOEXEC, 46},
{ENOLCK, 47},
{ENOLINK, 48},
{ENOMEM, 49},
{ENOMSG, 50},
{ERRNO(ENOPROTOOPT), 51},
{ENOSPC, 52},
{ENOSR, 53},
{ENOSTR, 54},
{ENOSYS, 55},
{ERRNO(ENOTCONN), 56},
{ENOTDIR, 57},
{ERRNO(ENOTEMPTY), 58},
{ERRNO(ENOTSOCK), 59},
{ENOTSUP, 60},
{ENOTTY, 61},
{ENXIO, 62},
{ERRNO(EOPNOTSUPP), 63},
{EOVERFLOW, 64},
{EPERM, 65},
{EPIPE, 66},
{EPROTO, 67},
{ERRNO(EPROTONOSUPPORT), 68},
{ERRNO(EPROTOTYPE), 69},
{ERANGE, 70},
{EROFS, 71},
{ESPIPE, 72},
{ESRCH, 73},
{ERRNO(ESTALE), 74},
{ETIME, 75},
{ERRNO(ETIMEDOUT), 76}}};
/// Converts a network error from platform-specific to 3ds-specific
static int TranslateError(int error) {
auto found = error_map.find(error);
if (found != error_map.end())
return -found->second;
return error;
}
/// Holds the translation from system network socket options to 3DS network socket options
/// Note: -1 = No effect/unavailable
static const std::unordered_map<int, int> sockopt_map = {{
{0x0004, SO_REUSEADDR},
{0x0080, -1},
{0x0100, -1},
{0x1001, SO_SNDBUF},
{0x1002, SO_RCVBUF},
{0x1003, -1},
#ifdef _WIN32
/// Unsupported in WinSock2
{0x1004, -1},
#else
{0x1004, SO_RCVLOWAT},
#endif
{0x1008, SO_TYPE},
{0x1009, SO_ERROR},
}};
/// Converts a socket option from 3ds-specific to platform-specific
static int TranslateSockOpt(int console_opt_name) {
auto found = sockopt_map.find(console_opt_name);
if (found != sockopt_map.end()) {
return found->second;
}
return console_opt_name;
}
/// Holds information about a particular socket
struct SocketHolder {
u32 socket_fd; ///< The socket descriptor
bool blocking; ///< Whether the socket is blocking or not, it is only read on Windows.
};
/// Structure to represent the 3ds' pollfd structure, which is different than most implementations
struct CTRPollFD {
u32 fd; ///< Socket handle
union Events {
u32 hex; ///< The complete value formed by the flags
BitField<0, 1, u32> pollin;
BitField<1, 1, u32> pollpri;
BitField<2, 1, u32> pollhup;
BitField<3, 1, u32> pollerr;
BitField<4, 1, u32> pollout;
BitField<5, 1, u32> pollnval;
Events& operator=(const Events& other) {
hex = other.hex;
return *this;
}
/// Translates the resulting events of a Poll operation from platform-specific to 3ds
/// specific
static Events TranslateTo3DS(u32 input_event) {
Events ev = {};
if (input_event & POLLIN)
ev.pollin.Assign(1);
if (input_event & POLLPRI)
ev.pollpri.Assign(1);
if (input_event & POLLHUP)
ev.pollhup.Assign(1);
if (input_event & POLLERR)
ev.pollerr.Assign(1);
if (input_event & POLLOUT)
ev.pollout.Assign(1);
if (input_event & POLLNVAL)
ev.pollnval.Assign(1);
return ev;
}
/// Translates the resulting events of a Poll operation from 3ds specific to platform
/// specific
static u32 TranslateToPlatform(Events input_event) {
u32 ret = 0;
if (input_event.pollin)
ret |= POLLIN;
if (input_event.pollpri)
ret |= POLLPRI;
if (input_event.pollhup)
ret |= POLLHUP;
if (input_event.pollerr)
ret |= POLLERR;
if (input_event.pollout)
ret |= POLLOUT;
if (input_event.pollnval)
ret |= POLLNVAL;
return ret;
}
};
Events events; ///< Events to poll for (input)
Events revents; ///< Events received (output)
/// Converts a platform-specific pollfd to a 3ds specific structure
static CTRPollFD FromPlatform(pollfd const& fd) {
CTRPollFD result;
result.events.hex = Events::TranslateTo3DS(fd.events).hex;
result.revents.hex = Events::TranslateTo3DS(fd.revents).hex;
result.fd = static_cast<u32>(fd.fd);
return result;
}
/// Converts a 3ds specific pollfd to a platform-specific structure
static pollfd ToPlatform(CTRPollFD const& fd) {
pollfd result;
result.events = Events::TranslateToPlatform(fd.events);
result.revents = Events::TranslateToPlatform(fd.revents);
result.fd = fd.fd;
return result;
}
};
/// Union to represent the 3ds' sockaddr structure
union CTRSockAddr {
/// Structure to represent a raw sockaddr
struct {
u8 len; ///< The length of the entire structure, only the set fields count
u8 sa_family; ///< The address family of the sockaddr
u8 sa_data[0x1A]; ///< The extra data, this varies, depending on the address family
} raw;
/// Structure to represent the 3ds' sockaddr_in structure
struct CTRSockAddrIn {
u8 len; ///< The length of the entire structure
u8 sin_family; ///< The address family of the sockaddr_in
u16 sin_port; ///< The port associated with this sockaddr_in
u32 sin_addr; ///< The actual address of the sockaddr_in
} in;
/// Convert a 3DS CTRSockAddr to a platform-specific sockaddr
static sockaddr ToPlatform(CTRSockAddr const& ctr_addr) {
sockaddr result;
result.sa_family = ctr_addr.raw.sa_family;
memset(result.sa_data, 0, sizeof(result.sa_data));
// We can not guarantee ABI compatibility between platforms so we copy the fields manually
switch (result.sa_family) {
case AF_INET: {
sockaddr_in* result_in = reinterpret_cast<sockaddr_in*>(&result);
result_in->sin_port = ctr_addr.in.sin_port;
result_in->sin_addr.s_addr = ctr_addr.in.sin_addr;
memset(result_in->sin_zero, 0, sizeof(result_in->sin_zero));
break;
}
default:
ASSERT_MSG(false, "Unhandled address family (sa_family) in CTRSockAddr::ToPlatform");
break;
}
return result;
}
/// Convert a platform-specific sockaddr to a 3DS CTRSockAddr
static CTRSockAddr FromPlatform(sockaddr const& addr) {
CTRSockAddr result;
result.raw.sa_family = static_cast<u8>(addr.sa_family);
// We can not guarantee ABI compatibility between platforms so we copy the fields manually
switch (result.raw.sa_family) {
case AF_INET: {
sockaddr_in const* addr_in = reinterpret_cast<sockaddr_in const*>(&addr);
result.raw.len = sizeof(CTRSockAddrIn);
result.in.sin_port = addr_in->sin_port;
result.in.sin_addr = addr_in->sin_addr.s_addr;
break;
}
default:
ASSERT_MSG(false, "Unhandled address family (sa_family) in CTRSockAddr::ToPlatform");
break;
}
return result;
}
};
/// Holds info about the currently open sockets
static std::unordered_map<u32, SocketHolder> open_sockets;
/// Close all open sockets
static void CleanupSockets() {
for (auto sock : open_sockets)
closesocket(sock.second.socket_fd);
open_sockets.clear();
}
static void Socket(Service::Interface* self) {
u32* cmd_buffer = Kernel::GetCommandBuffer();
u32 domain = cmd_buffer[1]; // Address family
u32 type = cmd_buffer[2];
u32 protocol = cmd_buffer[3];
// Only 0 is allowed according to 3dbrew, using 0 will let the OS decide which protocol to use
if (protocol != 0) {
cmd_buffer[1] =
UnimplementedFunction(ErrorModule::SOC).raw; // TODO(Subv): Correct error code
return;
}
if (domain != AF_INET) {
cmd_buffer[1] =
UnimplementedFunction(ErrorModule::SOC).raw; // TODO(Subv): Correct error code
return;
}
if (type != SOCK_DGRAM && type != SOCK_STREAM) {
cmd_buffer[1] =
UnimplementedFunction(ErrorModule::SOC).raw; // TODO(Subv): Correct error code
return;
}
u32 socket_handle = static_cast<u32>(::socket(domain, type, protocol));
if ((s32)socket_handle != SOCKET_ERROR_VALUE)
open_sockets[socket_handle] = {socket_handle, true};
int result = 0;
if ((s32)socket_handle == SOCKET_ERROR_VALUE)
result = TranslateError(GET_ERRNO);
cmd_buffer[0] = IPC::MakeHeader(2, 2, 0);
cmd_buffer[1] = result;
cmd_buffer[2] = socket_handle;
}
static void Bind(Service::Interface* self) {
u32* cmd_buffer = Kernel::GetCommandBuffer();
u32 socket_handle = cmd_buffer[1];
u32 len = cmd_buffer[2];
// Virtual address of the sock_addr structure
VAddr sock_addr_addr = cmd_buffer[6];
if (!Memory::IsValidVirtualAddress(sock_addr_addr)) {
cmd_buffer[1] = -1; // TODO(Subv): Correct code
return;
}
CTRSockAddr ctr_sock_addr;
Memory::ReadBlock(sock_addr_addr, reinterpret_cast<u8*>(&ctr_sock_addr), sizeof(CTRSockAddr));
sockaddr sock_addr = CTRSockAddr::ToPlatform(ctr_sock_addr);
int res = ::bind(socket_handle, &sock_addr, std::max<u32>(sizeof(sock_addr), len));
int result = 0;
if (res != 0)
result = TranslateError(GET_ERRNO);
cmd_buffer[0] = IPC::MakeHeader(5, 2, 0);
cmd_buffer[1] = result;
cmd_buffer[2] = res;
}
static void Fcntl(Service::Interface* self) {
u32* cmd_buffer = Kernel::GetCommandBuffer();
u32 socket_handle = cmd_buffer[1];
u32 ctr_cmd = cmd_buffer[2];
u32 ctr_arg = cmd_buffer[3];
int result = 0;
u32 posix_ret = 0; // TODO: Check what hardware returns for F_SETFL (unspecified by POSIX)
SCOPE_EXIT({
cmd_buffer[1] = result;
cmd_buffer[2] = posix_ret;
});
if (ctr_cmd == 3) { // F_GETFL
#ifdef _WIN32
posix_ret = 0;
auto iter = open_sockets.find(socket_handle);
if (iter != open_sockets.end() && iter->second.blocking == false)
posix_ret |= 4; // O_NONBLOCK
#else
int ret = ::fcntl(socket_handle, F_GETFL, 0);
if (ret == SOCKET_ERROR_VALUE) {
result = TranslateError(GET_ERRNO);
posix_ret = -1;
return;
}
posix_ret = 0;
if (ret & O_NONBLOCK)
posix_ret |= 4; // O_NONBLOCK
#endif
} else if (ctr_cmd == 4) { // F_SETFL
#ifdef _WIN32
unsigned long tmp = (ctr_arg & 4 /* O_NONBLOCK */) ? 1 : 0;
int ret = ioctlsocket(socket_handle, FIONBIO, &tmp);
if (ret == SOCKET_ERROR_VALUE) {
result = TranslateError(GET_ERRNO);
posix_ret = -1;
return;
}
auto iter = open_sockets.find(socket_handle);
if (iter != open_sockets.end())
iter->second.blocking = (tmp == 0);
#else
int flags = ::fcntl(socket_handle, F_GETFL, 0);
if (flags == SOCKET_ERROR_VALUE) {
result = TranslateError(GET_ERRNO);
posix_ret = -1;
return;
}
flags &= ~O_NONBLOCK;
if (ctr_arg & 4) // O_NONBLOCK
flags |= O_NONBLOCK;
int ret = ::fcntl(socket_handle, F_SETFL, flags);
if (ret == SOCKET_ERROR_VALUE) {
result = TranslateError(GET_ERRNO);
posix_ret = -1;
return;
}
#endif
} else {
LOG_ERROR(Service_SOC, "Unsupported command (%d) in fcntl call", ctr_cmd);
result = TranslateError(EINVAL); // TODO: Find the correct error
posix_ret = -1;
return;
}
}
static void Listen(Service::Interface* self) {
u32* cmd_buffer = Kernel::GetCommandBuffer();
u32 socket_handle = cmd_buffer[1];
u32 backlog = cmd_buffer[2];
int ret = ::listen(socket_handle, backlog);
int result = 0;
if (ret != 0)
result = TranslateError(GET_ERRNO);
cmd_buffer[0] = IPC::MakeHeader(3, 2, 0);
cmd_buffer[1] = result;
cmd_buffer[2] = ret;
}
static void Accept(Service::Interface* self) {
// TODO(Subv): Calling this function on a blocking socket will block the emu thread,
// preventing graceful shutdown when closing the emulator, this can be fixed by always
// performing nonblocking operations and spinlock until the data is available
u32* cmd_buffer = Kernel::GetCommandBuffer();
u32 socket_handle = cmd_buffer[1];
socklen_t max_addr_len = static_cast<socklen_t>(cmd_buffer[2]);
sockaddr addr;
socklen_t addr_len = sizeof(addr);
u32 ret = static_cast<u32>(::accept(socket_handle, &addr, &addr_len));
if ((s32)ret != SOCKET_ERROR_VALUE)
open_sockets[ret] = {ret, true};
int result = 0;
if ((s32)ret == SOCKET_ERROR_VALUE) {
result = TranslateError(GET_ERRNO);
} else {
CTRSockAddr ctr_addr = CTRSockAddr::FromPlatform(addr);
Memory::WriteBlock(cmd_buffer[0x104 >> 2], &ctr_addr, sizeof(ctr_addr));
}
cmd_buffer[0] = IPC::MakeHeader(4, 2, 2);
cmd_buffer[1] = result;
cmd_buffer[2] = ret;
cmd_buffer[3] = IPC::StaticBufferDesc(static_cast<u32>(max_addr_len), 0);
}
static void GetHostId(Service::Interface* self) {
u32* cmd_buffer = Kernel::GetCommandBuffer();
char name[128];
gethostname(name, sizeof(name));
addrinfo hints = {};
addrinfo* res;
hints.ai_family = AF_INET;
getaddrinfo(name, nullptr, &hints, &res);
sockaddr_in* sock_addr = reinterpret_cast<sockaddr_in*>(res->ai_addr);
in_addr* addr = &sock_addr->sin_addr;
cmd_buffer[2] = addr->s_addr;
cmd_buffer[1] = 0;
freeaddrinfo(res);
}
static void Close(Service::Interface* self) {
u32* cmd_buffer = Kernel::GetCommandBuffer();
u32 socket_handle = cmd_buffer[1];
int ret = 0;
open_sockets.erase(socket_handle);
ret = closesocket(socket_handle);
int result = 0;
if (ret != 0)
result = TranslateError(GET_ERRNO);
cmd_buffer[2] = ret;
cmd_buffer[1] = result;
}
static void SendTo(Service::Interface* self) {
u32* cmd_buffer = Kernel::GetCommandBuffer();
u32 socket_handle = cmd_buffer[1];
u32 len = cmd_buffer[2];
u32 flags = cmd_buffer[3];
u32 addr_len = cmd_buffer[4];
VAddr input_buff_address = cmd_buffer[8];
if (!Memory::IsValidVirtualAddress(input_buff_address)) {
cmd_buffer[1] = -1; // TODO(Subv): Find the right error code
return;
}
// Memory address of the dest_addr structure
VAddr dest_addr_addr = cmd_buffer[10];
if (!Memory::IsValidVirtualAddress(dest_addr_addr)) {
cmd_buffer[1] = -1; // TODO(Subv): Find the right error code
return;
}
std::vector<u8> input_buff(len);
Memory::ReadBlock(input_buff_address, input_buff.data(), input_buff.size());
CTRSockAddr ctr_dest_addr;
Memory::ReadBlock(dest_addr_addr, &ctr_dest_addr, sizeof(ctr_dest_addr));
int ret = -1;
if (addr_len > 0) {
sockaddr dest_addr = CTRSockAddr::ToPlatform(ctr_dest_addr);
ret = ::sendto(socket_handle, reinterpret_cast<const char*>(input_buff.data()), len, flags,
&dest_addr, sizeof(dest_addr));
} else {
ret = ::sendto(socket_handle, reinterpret_cast<const char*>(input_buff.data()), len, flags,
nullptr, 0);
}
int result = 0;
if (ret == SOCKET_ERROR_VALUE)
result = TranslateError(GET_ERRNO);
cmd_buffer[2] = ret;
cmd_buffer[1] = result;
}
static void RecvFrom(Service::Interface* self) {
// TODO(Subv): Calling this function on a blocking socket will block the emu thread,
// preventing graceful shutdown when closing the emulator, this can be fixed by always
// performing nonblocking operations and spinlock until the data is available
u32* cmd_buffer = Kernel::GetCommandBuffer();
u32 socket_handle = cmd_buffer[1];
u32 len = cmd_buffer[2];
u32 flags = cmd_buffer[3];
socklen_t addr_len = static_cast<socklen_t>(cmd_buffer[4]);
struct {
u32 output_buffer_descriptor;
u32 output_buffer_addr;
u32 address_buffer_descriptor;
u32 output_src_address_buffer;
} buffer_parameters;
std::memcpy(&buffer_parameters, &cmd_buffer[64], sizeof(buffer_parameters));
if (!Memory::IsValidVirtualAddress(buffer_parameters.output_buffer_addr)) {
cmd_buffer[1] = -1; // TODO(Subv): Find the right error code
return;
}
if (!Memory::IsValidVirtualAddress(buffer_parameters.output_src_address_buffer)) {
cmd_buffer[1] = -1; // TODO(Subv): Find the right error code
return;
}
std::vector<u8> output_buff(len);
sockaddr src_addr;
socklen_t src_addr_len = sizeof(src_addr);
int ret = ::recvfrom(socket_handle, reinterpret_cast<char*>(output_buff.data()), len, flags,
&src_addr, &src_addr_len);
if (ret >= 0 && buffer_parameters.output_src_address_buffer != 0 && src_addr_len > 0) {
CTRSockAddr ctr_src_addr = CTRSockAddr::FromPlatform(src_addr);
Memory::WriteBlock(buffer_parameters.output_src_address_buffer, &ctr_src_addr,
sizeof(ctr_src_addr));
}
int result = 0;
int total_received = ret;
if (ret == SOCKET_ERROR_VALUE) {
result = TranslateError(GET_ERRNO);
total_received = 0;
} else {
// Write only the data we received to avoid overwriting parts of the buffer with zeros
Memory::WriteBlock(buffer_parameters.output_buffer_addr, output_buff.data(),
total_received);
}
cmd_buffer[1] = result;
cmd_buffer[2] = ret;
cmd_buffer[3] = total_received;
}
static void Poll(Service::Interface* self) {
u32* cmd_buffer = Kernel::GetCommandBuffer();
u32 nfds = cmd_buffer[1];
int timeout = cmd_buffer[2];
VAddr input_fds_addr = cmd_buffer[6];
VAddr output_fds_addr = cmd_buffer[0x104 >> 2];
if (!Memory::IsValidVirtualAddress(input_fds_addr) ||
!Memory::IsValidVirtualAddress(output_fds_addr)) {
cmd_buffer[1] = -1; // TODO(Subv): Find correct error code.
return;
}
std::vector<CTRPollFD> ctr_fds(nfds);
Memory::ReadBlock(input_fds_addr, ctr_fds.data(), nfds * sizeof(CTRPollFD));
// The 3ds_pollfd and the pollfd structures may be different (Windows/Linux have different
// sizes)
// so we have to copy the data
std::vector<pollfd> platform_pollfd(nfds);
std::transform(ctr_fds.begin(), ctr_fds.end(), platform_pollfd.begin(), CTRPollFD::ToPlatform);
const int ret = ::poll(platform_pollfd.data(), nfds, timeout);
// Now update the output pollfd structure
std::transform(platform_pollfd.begin(), platform_pollfd.end(), ctr_fds.begin(),
CTRPollFD::FromPlatform);
Memory::WriteBlock(output_fds_addr, ctr_fds.data(), nfds * sizeof(CTRPollFD));
int result = 0;
if (ret == SOCKET_ERROR_VALUE)
result = TranslateError(GET_ERRNO);
cmd_buffer[1] = result;
cmd_buffer[2] = ret;
}
static void GetSockName(Service::Interface* self) {
u32* cmd_buffer = Kernel::GetCommandBuffer();
u32 socket_handle = cmd_buffer[1];
socklen_t ctr_len = cmd_buffer[2];
// Memory address of the ctr_dest_addr structure
VAddr ctr_dest_addr_addr = cmd_buffer[0x104 >> 2];
sockaddr dest_addr;
socklen_t dest_addr_len = sizeof(dest_addr);
int ret = ::getsockname(socket_handle, &dest_addr, &dest_addr_len);
if (ctr_dest_addr_addr != 0 && Memory::IsValidVirtualAddress(ctr_dest_addr_addr)) {
CTRSockAddr ctr_dest_addr = CTRSockAddr::FromPlatform(dest_addr);
Memory::WriteBlock(ctr_dest_addr_addr, &ctr_dest_addr, sizeof(ctr_dest_addr));
} else {
cmd_buffer[1] = -1; // TODO(Subv): Verify error
return;
}
int result = 0;
if (ret != 0)
result = TranslateError(GET_ERRNO);
cmd_buffer[2] = ret;
cmd_buffer[1] = result;
}
static void Shutdown(Service::Interface* self) {
u32* cmd_buffer = Kernel::GetCommandBuffer();
u32 socket_handle = cmd_buffer[1];
int how = cmd_buffer[2];
int ret = ::shutdown(socket_handle, how);
int result = 0;
if (ret != 0)
result = TranslateError(GET_ERRNO);
cmd_buffer[2] = ret;
cmd_buffer[1] = result;
}
static void GetPeerName(Service::Interface* self) {
u32* cmd_buffer = Kernel::GetCommandBuffer();
u32 socket_handle = cmd_buffer[1];
socklen_t len = cmd_buffer[2];
// Memory address of the ctr_dest_addr structure
VAddr ctr_dest_addr_addr = cmd_buffer[0x104 >> 2];
sockaddr dest_addr;
socklen_t dest_addr_len = sizeof(dest_addr);
int ret = ::getpeername(socket_handle, &dest_addr, &dest_addr_len);
if (ctr_dest_addr_addr != 0 && Memory::IsValidVirtualAddress(ctr_dest_addr_addr)) {
CTRSockAddr ctr_dest_addr = CTRSockAddr::FromPlatform(dest_addr);
Memory::WriteBlock(ctr_dest_addr_addr, &ctr_dest_addr, sizeof(ctr_dest_addr));
} else {
cmd_buffer[1] = -1;
return;
}
int result = 0;
if (ret != 0)
result = TranslateError(GET_ERRNO);
cmd_buffer[2] = ret;
cmd_buffer[1] = result;
}
static void Connect(Service::Interface* self) {
// TODO(Subv): Calling this function on a blocking socket will block the emu thread,
// preventing graceful shutdown when closing the emulator, this can be fixed by always
// performing nonblocking operations and spinlock until the data is available
u32* cmd_buffer = Kernel::GetCommandBuffer();
u32 socket_handle = cmd_buffer[1];
socklen_t len = cmd_buffer[2];
// Memory address of the ctr_input_addr structure
VAddr ctr_input_addr_addr = cmd_buffer[6];
if (!Memory::IsValidVirtualAddress(ctr_input_addr_addr)) {
cmd_buffer[1] = -1; // TODO(Subv): Verify error
return;
}
CTRSockAddr ctr_input_addr;
Memory::ReadBlock(ctr_input_addr_addr, &ctr_input_addr, sizeof(ctr_input_addr));
sockaddr input_addr = CTRSockAddr::ToPlatform(ctr_input_addr);
int ret = ::connect(socket_handle, &input_addr, sizeof(input_addr));
int result = 0;
if (ret != 0)
result = TranslateError(GET_ERRNO);
cmd_buffer[0] = IPC::MakeHeader(6, 2, 0);
cmd_buffer[1] = result;
cmd_buffer[2] = ret;
}
static void InitializeSockets(Service::Interface* self) {
// TODO(Subv): Implement
#ifdef _WIN32
WSADATA data;
WSAStartup(MAKEWORD(2, 2), &data);
#endif
u32* cmd_buffer = Kernel::GetCommandBuffer();
cmd_buffer[0] = IPC::MakeHeader(1, 1, 0);
cmd_buffer[1] = RESULT_SUCCESS.raw;
}
static void ShutdownSockets(Service::Interface* self) {
// TODO(Subv): Implement
CleanupSockets();
#ifdef _WIN32
WSACleanup();
#endif
u32* cmd_buffer = Kernel::GetCommandBuffer();
cmd_buffer[1] = 0;
}
static void GetSockOpt(Service::Interface* self) {
u32* cmd_buffer = Kernel::GetCommandBuffer();
u32 socket_handle = cmd_buffer[1];
u32 level = cmd_buffer[2];
int optname = TranslateSockOpt(cmd_buffer[3]);
socklen_t optlen = (socklen_t)cmd_buffer[4];
int ret = -1;
int err = 0;
if (optname < 0) {
#ifdef _WIN32
err = WSAEINVAL;
#else
err = EINVAL;
#endif
} else {
// 0x100 = static buffer offset (bytes)
// + 0x4 = 2nd pointer (u32) position
// >> 2 = convert to u32 offset instead of byte offset (cmd_buffer = u32*)
char* optval = reinterpret_cast<char*>(Memory::GetPointer(cmd_buffer[0x104 >> 2]));
ret = ::getsockopt(socket_handle, level, optname, optval, &optlen);
err = 0;
if (ret == SOCKET_ERROR_VALUE) {
err = TranslateError(GET_ERRNO);
}
}
cmd_buffer[0] = IPC::MakeHeader(0x11, 4, 2);
cmd_buffer[1] = ret;
cmd_buffer[2] = err;
cmd_buffer[3] = optlen;
}
static void SetSockOpt(Service::Interface* self) {
u32* cmd_buffer = Kernel::GetCommandBuffer();
u32 socket_handle = cmd_buffer[1];
u32 level = cmd_buffer[2];
int optname = TranslateSockOpt(cmd_buffer[3]);
int ret = -1;
int err = 0;
if (optname < 0) {
#ifdef _WIN32
err = WSAEINVAL;
#else
err = EINVAL;
#endif
} else {
socklen_t optlen = static_cast<socklen_t>(cmd_buffer[4]);
const char* optval = reinterpret_cast<const char*>(Memory::GetPointer(cmd_buffer[8]));
ret = static_cast<u32>(::setsockopt(socket_handle, level, optname, optval, optlen));
err = 0;
if (ret == SOCKET_ERROR_VALUE) {
err = TranslateError(GET_ERRNO);
}
}
cmd_buffer[0] = IPC::MakeHeader(0x12, 4, 4);
cmd_buffer[1] = ret;
cmd_buffer[2] = err;
}
const Interface::FunctionInfo FunctionTable[] = {
{0x00010044, InitializeSockets, "InitializeSockets"},
{0x000200C2, Socket, "Socket"},
{0x00030082, Listen, "Listen"},
{0x00040082, Accept, "Accept"},
{0x00050084, Bind, "Bind"},
{0x00060084, Connect, "Connect"},
{0x00070104, nullptr, "recvfrom_other"},
{0x00080102, RecvFrom, "RecvFrom"},
{0x00090106, nullptr, "sendto_other"},
{0x000A0106, SendTo, "SendTo"},
{0x000B0042, Close, "Close"},
{0x000C0082, Shutdown, "Shutdown"},
{0x000D0082, nullptr, "GetHostByName"},
{0x000E00C2, nullptr, "GetHostByAddr"},
{0x000F0106, nullptr, "GetAddrInfo"},
{0x00100102, nullptr, "GetNameInfo"},
{0x00110102, GetSockOpt, "GetSockOpt"},
{0x00120104, SetSockOpt, "SetSockOpt"},
{0x001300C2, Fcntl, "Fcntl"},
{0x00140084, Poll, "Poll"},
{0x00150042, nullptr, "SockAtMark"},
{0x00160000, GetHostId, "GetHostId"},
{0x00170082, GetSockName, "GetSockName"},
{0x00180082, GetPeerName, "GetPeerName"},
{0x00190000, ShutdownSockets, "ShutdownSockets"},
{0x001A00C0, nullptr, "GetNetworkOpt"},
{0x001B0040, nullptr, "ICMPSocket"},
{0x001C0104, nullptr, "ICMPPing"},
{0x001D0040, nullptr, "ICMPCancel"},
{0x001E0040, nullptr, "ICMPClose"},
{0x001F0040, nullptr, "GetResolverInfo"},
{0x00210002, nullptr, "CloseSockets"},
{0x00230040, nullptr, "AddGlobalSocket"},
};
////////////////////////////////////////////////////////////////////////////////////////////////////
// Interface class
Interface::Interface() {
Register(FunctionTable);
}
Interface::~Interface() {
CleanupSockets();
#ifdef _WIN32
WSACleanup();
#endif
}
} // namespace
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