IPCCommandResult NetIPTop::IOCtl(const IOCtlRequest& request)
{
if (Core::g_want_determinism)
{
return GetDefaultReply(IPC_EACCES);
}
s32 return_value = 0;
switch (request.request)
{
case IOCTL_SO_STARTUP:
{
request.Log(GetDeviceName(), LogTypes::IOS_WC24);
break;
}
case IOCTL_SO_SOCKET:
{
u32 af = Memory::Read_U32(request.buffer_in);
u32 type = Memory::Read_U32(request.buffer_in + 4);
u32 prot = Memory::Read_U32(request.buffer_in + 8);
WiiSockMan& sm = WiiSockMan::GetInstance();
return_value = sm.NewSocket(af, type, prot);
INFO_LOG(IOS_NET, "IOCTL_SO_SOCKET "
"Socket: %08x (%d,%d,%d), BufferIn: (%08x, %i), BufferOut: (%08x, %i)",
return_value, af, type, prot, request.buffer_in, request.buffer_in_size,
request.buffer_out, request.buffer_out_size);
break;
}
case IOCTL_SO_ICMPSOCKET:
{
u32 pf = Memory::Read_U32(request.buffer_in);
WiiSockMan& sm = WiiSockMan::GetInstance();
return_value = sm.NewSocket(pf, SOCK_RAW, IPPROTO_ICMP);
INFO_LOG(IOS_NET, "IOCTL_SO_ICMPSOCKET(%x) %d", pf, return_value);
break;
}
case IOCTL_SO_CLOSE:
case IOCTL_SO_ICMPCLOSE:
{
u32 fd = Memory::Read_U32(request.buffer_in);
WiiSockMan& sm = WiiSockMan::GetInstance();
return_value = sm.DeleteSocket(fd);
INFO_LOG(IOS_NET, "%s(%x) %x",
request.request == IOCTL_SO_ICMPCLOSE ? "IOCTL_SO_ICMPCLOSE" : "IOCTL_SO_CLOSE", fd,
return_value);
break;
}
case IOCTL_SO_ACCEPT:
case IOCTL_SO_BIND:
case IOCTL_SO_CONNECT:
case IOCTL_SO_FCNTL:
{
u32 fd = Memory::Read_U32(request.buffer_in);
WiiSockMan& sm = WiiSockMan::GetInstance();
sm.DoSock(fd, request, static_cast<NET_IOCTL>(request.request));
return GetNoReply();
}
/////////////////////////////////////////////////////////////
// TODO: Tidy all below //
/////////////////////////////////////////////////////////////
case IOCTL_SO_SHUTDOWN:
{
request.Log(GetDeviceName(), LogTypes::IOS_WC24);
u32 fd = Memory::Read_U32(request.buffer_in);
u32 how = Memory::Read_U32(request.buffer_in + 4);
int ret = shutdown(fd, how);
return_value = WiiSockMan::GetNetErrorCode(ret, "SO_SHUTDOWN", false);
break;
}
case IOCTL_SO_LISTEN:
{
u32 fd = Memory::Read_U32(request.buffer_in);
u32 BACKLOG = Memory::Read_U32(request.buffer_in + 0x04);
u32 ret = listen(fd, BACKLOG);
return_value = WiiSockMan::GetNetErrorCode(ret, "SO_LISTEN", false);
request.Log(GetDeviceName(), LogTypes::IOS_WC24);
break;
}
case IOCTL_SO_GETSOCKOPT:
{
u32 fd = Memory::Read_U32(request.buffer_out);
u32 level = Memory::Read_U32(request.buffer_out + 4);
u32 optname = Memory::Read_U32(request.buffer_out + 8);
request.Log(GetDeviceName(), LogTypes::IOS_WC24);
// Do the level/optname translation
int nat_level = -1, nat_optname = -1;
for (auto& map : opt_level_mapping)
if (level == map[1])
nat_level = map[0];
for (auto& map : opt_name_mapping)
if (optname == map[1])
nat_optname = map[0];
u8 optval[20];
u32 optlen = 4;
int ret = getsockopt(fd, nat_level, nat_optname, (char*)&optval, (socklen_t*)&optlen);
return_value = WiiSockMan::GetNetErrorCode(ret, "SO_GETSOCKOPT", false);
Memory::Write_U32(optlen, request.buffer_out + 0xC);
Memory::CopyToEmu(request.buffer_out + 0x10, optval, optlen);
if (optname == SO_ERROR)
{
s32 last_error = WiiSockMan::GetInstance().GetLastNetError();
Memory::Write_U32(sizeof(s32), request.buffer_out + 0xC);
Memory::Write_U32(last_error, request.buffer_out + 0x10);
}
break;
}
case IOCTL_SO_SETSOCKOPT:
{
u32 fd = Memory::Read_U32(request.buffer_in);
u32 level = Memory::Read_U32(request.buffer_in + 4);
u32 optname = Memory::Read_U32(request.buffer_in + 8);
u32 optlen = Memory::Read_U32(request.buffer_in + 0xc);
u8 optval[20];
optlen = std::min(optlen, (u32)sizeof(optval));
Memory::CopyFromEmu(optval, request.buffer_in + 0x10, optlen);
INFO_LOG(IOS_NET, "IOCTL_SO_SETSOCKOPT(%08x, %08x, %08x, %08x) "
"BufferIn: (%08x, %i), BufferOut: (%08x, %i)"
"%02hhx %02hhx %02hhx %02hhx %02hhx %02hhx %02hhx %02hhx %02hhx %02hhx "
"%02hhx %02hhx %02hhx %02hhx %02hhx %02hhx %02hhx %02hhx %02hhx %02hhx",
fd, level, optname, optlen, request.buffer_in, request.buffer_in_size,
request.buffer_out, request.buffer_out_size, optval[0], optval[1], optval[2],
optval[3], optval[4], optval[5], optval[6], optval[7], optval[8], optval[9],
optval[10], optval[11], optval[12], optval[13], optval[14], optval[15], optval[16],
optval[17], optval[18], optval[19]);
// TODO: bug booto about this, 0x2005 most likely timeout related, default value on Wii is ,
// 0x2001 is most likely tcpnodelay
if (level == 6 && (optname == 0x2005 || optname == 0x2001))
{
return_value = 0;
break;
}
// Do the level/optname translation
int nat_level = -1, nat_optname = -1;
for (auto& map : opt_level_mapping)
if (level == map[1])
nat_level = map[0];
for (auto& map : opt_name_mapping)
if (optname == map[1])
nat_optname = map[0];
if (nat_level == -1 || nat_optname == -1)
{
INFO_LOG(IOS_NET, "SO_SETSOCKOPT: unknown level %d or optname %d", level, optname);
// Default to the given level/optname. They match on Windows...
nat_level = level;
nat_optname = optname;
}
int ret = setsockopt(fd, nat_level, nat_optname, (char*)optval, optlen);
return_value = WiiSockMan::GetNetErrorCode(ret, "SO_SETSOCKOPT", false);
break;
}
case IOCTL_SO_GETSOCKNAME:
{
u32 fd = Memory::Read_U32(request.buffer_in);
request.Log(GetDeviceName(), LogTypes::IOS_WC24);
sockaddr sa;
socklen_t sa_len;
sa_len = sizeof(sa);
int ret = getsockname(fd, &sa, &sa_len);
if (request.buffer_out_size < 2 + sizeof(sa.sa_data))
WARN_LOG(IOS_NET, "IOCTL_SO_GETSOCKNAME output buffer is too small. Truncating");
if (request.buffer_out_size > 0)
Memory::Write_U8(request.buffer_out_size, request.buffer_out);
if (request.buffer_out_size > 1)
Memory::Write_U8(sa.sa_family & 0xFF, request.buffer_out + 1);
if (request.buffer_out_size > 2)
Memory::CopyToEmu(request.buffer_out + 2, &sa.sa_data,
std::min<size_t>(sizeof(sa.sa_data), request.buffer_out_size - 2));
return_value = ret;
break;
}
case IOCTL_SO_GETPEERNAME:
{
u32 fd = Memory::Read_U32(request.buffer_in);
sockaddr sa;
socklen_t sa_len;
sa_len = sizeof(sa);
int ret = getpeername(fd, &sa, &sa_len);
if (request.buffer_out_size < 2 + sizeof(sa.sa_data))
WARN_LOG(IOS_NET, "IOCTL_SO_GETPEERNAME output buffer is too small. Truncating");
if (request.buffer_out_size > 0)
Memory::Write_U8(request.buffer_out_size, request.buffer_out);
if (request.buffer_out_size > 1)
Memory::Write_U8(AF_INET, request.buffer_out + 1);
if (request.buffer_out_size > 2)
Memory::CopyToEmu(request.buffer_out + 2, &sa.sa_data,
std::min<size_t>(sizeof(sa.sa_data), request.buffer_out_size - 2));
INFO_LOG(IOS_NET, "IOCTL_SO_GETPEERNAME(%x)", fd);
return_value = ret;
break;
}
case IOCTL_SO_GETHOSTID:
{
request.Log(GetDeviceName(), LogTypes::IOS_WC24);
#ifdef _WIN32
DWORD forwardTableSize, ipTableSize, result;
DWORD ifIndex = -1;
std::unique_ptr<MIB_IPFORWARDTABLE> forwardTable;
std::unique_ptr<MIB_IPADDRTABLE> ipTable;
forwardTableSize = 0;
if (GetIpForwardTable(nullptr, &forwardTableSize, FALSE) == ERROR_INSUFFICIENT_BUFFER)
{
forwardTable =
std::unique_ptr<MIB_IPFORWARDTABLE>((PMIB_IPFORWARDTABLE) operator new(forwardTableSize));
}
ipTableSize = 0;
if (GetIpAddrTable(nullptr, &ipTableSize, FALSE) == ERROR_INSUFFICIENT_BUFFER)
{
ipTable = std::unique_ptr<MIB_IPADDRTABLE>((PMIB_IPADDRTABLE) operator new(ipTableSize));
}
// find the interface IP used for the default route and use that
result = GetIpForwardTable(forwardTable.get(), &forwardTableSize, FALSE);
while (result == NO_ERROR ||
result == ERROR_MORE_DATA) // can return ERROR_MORE_DATA on XP even after the first call
{
for (DWORD i = 0; i < forwardTable->dwNumEntries; ++i)
{
if (forwardTable->table[i].dwForwardDest == 0)
{
ifIndex = forwardTable->table[i].dwForwardIfIndex;
break;
}
}
if (result == NO_ERROR || ifIndex != -1)
break;
result = GetIpForwardTable(forwardTable.get(), &forwardTableSize, FALSE);
}
if (ifIndex != -1 && GetIpAddrTable(ipTable.get(), &ipTableSize, FALSE) == NO_ERROR)
{
for (DWORD i = 0; i < ipTable->dwNumEntries; ++i)
{
if (ipTable->table[i].dwIndex == ifIndex)
{
return_value = Common::swap32(ipTable->table[i].dwAddr);
break;
}
}
}
#endif
// default placeholder, in case of failure
if (return_value == 0)
return_value = 192 << 24 | 168 << 16 | 1 << 8 | 150;
break;
}
case IOCTL_SO_INETATON:
{
std::string hostname = Memory::GetString(request.buffer_in);
struct hostent* remoteHost = gethostbyname(hostname.c_str());
if (remoteHost == nullptr || remoteHost->h_addr_list == nullptr ||
remoteHost->h_addr_list[0] == nullptr)
{
INFO_LOG(IOS_NET, "IOCTL_SO_INETATON = -1 "
"%s, BufferIn: (%08x, %i), BufferOut: (%08x, %i), IP Found: None",
hostname.c_str(), request.buffer_in, request.buffer_in_size, request.buffer_out,
request.buffer_out_size);
return_value = 0;
}
else
{
Memory::Write_U32(Common::swap32(*(u32*)remoteHost->h_addr_list[0]), request.buffer_out);
INFO_LOG(IOS_NET, "IOCTL_SO_INETATON = 0 "
"%s, BufferIn: (%08x, %i), BufferOut: (%08x, %i), IP Found: %08X",
hostname.c_str(), request.buffer_in, request.buffer_in_size, request.buffer_out,
request.buffer_out_size, Common::swap32(*(u32*)remoteHost->h_addr_list[0]));
return_value = 1;
}
break;
}
case IOCTL_SO_INETPTON:
{
std::string address = Memory::GetString(request.buffer_in);
INFO_LOG(IOS_NET, "IOCTL_SO_INETPTON "
"(Translating: %s)",
address.c_str());
return_value = inet_pton(address.c_str(), Memory::GetPointer(request.buffer_out + 4));
break;
}
case IOCTL_SO_INETNTOP:
{
// u32 af = Memory::Read_U32(BufferIn);
// u32 validAddress = Memory::Read_U32(request.buffer_in + 4);
// u32 src = Memory::Read_U32(request.buffer_in + 8);
char ip_s[16];
sprintf(ip_s, "%i.%i.%i.%i", Memory::Read_U8(request.buffer_in + 8),
Memory::Read_U8(request.buffer_in + 8 + 1), Memory::Read_U8(request.buffer_in + 8 + 2),
Memory::Read_U8(request.buffer_in + 8 + 3));
INFO_LOG(IOS_NET, "IOCTL_SO_INETNTOP %s", ip_s);
Memory::CopyToEmu(request.buffer_out, (u8*)ip_s, strlen(ip_s));
break;
}
case IOCTL_SO_POLL:
{
// Map Wii/native poll events types
struct
{
int native;
int wii;
} mapping[] = {
{POLLRDNORM, 0x0001}, {POLLRDBAND, 0x0002}, {POLLPRI, 0x0004}, {POLLWRNORM, 0x0008},
{POLLWRBAND, 0x0010}, {POLLERR, 0x0020}, {POLLHUP, 0x0040}, {POLLNVAL, 0x0080},
};
u32 unknown = Memory::Read_U32(request.buffer_in);
u32 timeout = Memory::Read_U32(request.buffer_in + 4);
int nfds = request.buffer_out_size / 0xc;
if (nfds == 0)
ERROR_LOG(IOS_NET, "Hidden POLL");
std::vector<pollfd_t> ufds(nfds);
for (int i = 0; i < nfds; ++i)
{
ufds[i].fd = Memory::Read_U32(request.buffer_out + 0xc * i); // fd
int events = Memory::Read_U32(request.buffer_out + 0xc * i + 4); // events
ufds[i].revents = Memory::Read_U32(request.buffer_out + 0xc * i + 8); // revents
// Translate Wii to native events
int unhandled_events = events;
ufds[i].events = 0;
for (auto& map : mapping)
{
if (events & map.wii)
ufds[i].events |= map.native;
unhandled_events &= ~map.wii;
}
DEBUG_LOG(IOS_NET, "IOCTL_SO_POLL(%d) "
"Sock: %08x, Unknown: %08x, Events: %08x, "
"NativeEvents: %08x",
i, ufds[i].fd, unknown, events, ufds[i].events);
// Do not pass return-only events to the native poll
ufds[i].events &= ~(POLLERR | POLLHUP | POLLNVAL | UNSUPPORTED_WSAPOLL);
if (unhandled_events)
ERROR_LOG(IOS_NET, "SO_POLL: unhandled Wii event types: %04x", unhandled_events);
}
int ret = poll(ufds.data(), nfds, timeout);
ret = WiiSockMan::GetNetErrorCode(ret, "SO_POLL", false);
for (int i = 0; i < nfds; ++i)
{
// Translate native to Wii events
int revents = 0;
for (auto& map : mapping)
{
if (ufds[i].revents & map.native)
revents |= map.wii;
}
// No need to change fd or events as they are input only.
// Memory::Write_U32(ufds[i].fd, request.buffer_out + 0xc*i); //fd
// Memory::Write_U32(events, request.buffer_out + 0xc*i + 4); //events
Memory::Write_U32(revents, request.buffer_out + 0xc * i + 8); // revents
DEBUG_LOG(IOS_NET, "IOCTL_SO_POLL socket %d wevents %08X events %08X revents %08X", i,
revents, ufds[i].events, ufds[i].revents);
}
return_value = ret;
break;
}
case IOCTL_SO_GETHOSTBYNAME:
{
if (request.buffer_out_size != 0x460)
{
ERROR_LOG(IOS_NET, "Bad buffer size for IOCTL_SO_GETHOSTBYNAME");
return_value = -1;
break;
}
std::string hostname = Memory::GetString(request.buffer_in);
hostent* remoteHost = gethostbyname(hostname.c_str());
INFO_LOG(IOS_NET, "IOCTL_SO_GETHOSTBYNAME "
"Address: %s, BufferIn: (%08x, %i), BufferOut: (%08x, %i)",
hostname.c_str(), request.buffer_in, request.buffer_in_size, request.buffer_out,
request.buffer_out_size);
if (remoteHost)
{
for (int i = 0; remoteHost->h_aliases[i]; ++i)
{
DEBUG_LOG(IOS_NET, "alias%i:%s", i, remoteHost->h_aliases[i]);
}
for (int i = 0; remoteHost->h_addr_list[i]; ++i)
{
u32 ip = Common::swap32(*(u32*)(remoteHost->h_addr_list[i]));
std::string ip_s = StringFromFormat("%i.%i.%i.%i", ip >> 24, (ip >> 16) & 0xff,
(ip >> 8) & 0xff, ip & 0xff);
DEBUG_LOG(IOS_NET, "addr%i:%s", i, ip_s.c_str());
}
// Host name; located immediately after struct
static const u32 GETHOSTBYNAME_STRUCT_SIZE = 0x10;
static const u32 GETHOSTBYNAME_IP_LIST_OFFSET = 0x110;
// Limit host name length to avoid buffer overflow.
u32 name_length = (u32)strlen(remoteHost->h_name) + 1;
if (name_length > (GETHOSTBYNAME_IP_LIST_OFFSET - GETHOSTBYNAME_STRUCT_SIZE))
{
ERROR_LOG(IOS_NET, "Hostname too long in IOCTL_SO_GETHOSTBYNAME");
return_value = -1;
break;
}
Memory::CopyToEmu(request.buffer_out + GETHOSTBYNAME_STRUCT_SIZE, remoteHost->h_name,
name_length);
Memory::Write_U32(request.buffer_out + GETHOSTBYNAME_STRUCT_SIZE, request.buffer_out);
// IP address list; located at offset 0x110.
u32 num_ip_addr = 0;
while (remoteHost->h_addr_list[num_ip_addr])
num_ip_addr++;
// Limit number of IP addresses to avoid buffer overflow.
// (0x460 - 0x340) / sizeof(pointer) == 72
static const u32 GETHOSTBYNAME_MAX_ADDRESSES = 71;
num_ip_addr = std::min(num_ip_addr, GETHOSTBYNAME_MAX_ADDRESSES);
for (u32 i = 0; i < num_ip_addr; ++i)
{
u32 addr = request.buffer_out + GETHOSTBYNAME_IP_LIST_OFFSET + i * 4;
Memory::Write_U32_Swap(*(u32*)(remoteHost->h_addr_list[i]), addr);
}
// List of pointers to IP addresses; located at offset 0x340.
// This must be exact: PPC code to convert the struct hardcodes
// this offset.
static const u32 GETHOSTBYNAME_IP_PTR_LIST_OFFSET = 0x340;
Memory::Write_U32(request.buffer_out + GETHOSTBYNAME_IP_PTR_LIST_OFFSET,
request.buffer_out + 12);
for (u32 i = 0; i < num_ip_addr; ++i)
{
u32 addr = request.buffer_out + GETHOSTBYNAME_IP_PTR_LIST_OFFSET + i * 4;
Memory::Write_U32(request.buffer_out + GETHOSTBYNAME_IP_LIST_OFFSET + i * 4, addr);
}
Memory::Write_U32(0, request.buffer_out + GETHOSTBYNAME_IP_PTR_LIST_OFFSET + num_ip_addr * 4);
// Aliases - empty. (Hardware doesn't return anything.)
Memory::Write_U32(request.buffer_out + GETHOSTBYNAME_IP_PTR_LIST_OFFSET + num_ip_addr * 4,
request.buffer_out + 4);
// Returned struct must be ipv4.
_assert_msg_(IOS_NET,
remoteHost->h_addrtype == AF_INET && remoteHost->h_length == sizeof(u32),
"returned host info is not IPv4");
Memory::Write_U16(AF_INET, request.buffer_out + 8);
Memory::Write_U16(sizeof(u32), request.buffer_out + 10);
return_value = 0;
}
else
{
return_value = -1;
}
break;
}
case IOCTL_SO_ICMPCANCEL:
ERROR_LOG(IOS_NET, "IOCTL_SO_ICMPCANCEL");
default:
request.DumpUnknown(GetDeviceName(), LogTypes::IOS_NET);
}
IPCCommandResult NetIPTop::HandlePollRequest(const IOCtlRequest& request)
{
// Map Wii/native poll events types
struct
{
int native;
int wii;
} mapping[] = {
{POLLRDNORM, 0x0001}, {POLLRDBAND, 0x0002}, {POLLPRI, 0x0004}, {POLLWRNORM, 0x0008},
{POLLWRBAND, 0x0010}, {POLLERR, 0x0020}, {POLLHUP, 0x0040}, {POLLNVAL, 0x0080},
};
u32 unknown = Memory::Read_U32(request.buffer_in);
u32 timeout = Memory::Read_U32(request.buffer_in + 4);
int nfds = request.buffer_out_size / 0xc;
if (nfds == 0)
ERROR_LOG(IOS_NET, "Hidden POLL");
std::vector<pollfd_t> ufds(nfds);
for (int i = 0; i < nfds; ++i)
{
s32 wii_fd = Memory::Read_U32(request.buffer_out + 0xc * i);
ufds[i].fd = WiiSockMan::GetInstance().GetHostSocket(wii_fd); // fd
int events = Memory::Read_U32(request.buffer_out + 0xc * i + 4); // events
ufds[i].revents = Memory::Read_U32(request.buffer_out + 0xc * i + 8); // revents
// Translate Wii to native events
int unhandled_events = events;
ufds[i].events = 0;
for (auto& map : mapping)
{
if (events & map.wii)
ufds[i].events |= map.native;
unhandled_events &= ~map.wii;
}
DEBUG_LOG(IOS_NET, "IOCTL_SO_POLL(%d) "
"Sock: %08x, Unknown: %08x, Events: %08x, "
"NativeEvents: %08x",
i, wii_fd, unknown, events, ufds[i].events);
// Do not pass return-only events to the native poll
ufds[i].events &= ~(POLLERR | POLLHUP | POLLNVAL | UNSUPPORTED_WSAPOLL);
if (unhandled_events)
ERROR_LOG(IOS_NET, "SO_POLL: unhandled Wii event types: %04x", unhandled_events);
}
int ret = poll(ufds.data(), nfds, timeout);
ret = WiiSockMan::GetNetErrorCode(ret, "SO_POLL", false);
for (int i = 0; i < nfds; ++i)
{
// Translate native to Wii events
int revents = 0;
for (auto& map : mapping)
{
if (ufds[i].revents & map.native)
revents |= map.wii;
}
// No need to change fd or events as they are input only.
// Memory::Write_U32(ufds[i].fd, request.buffer_out + 0xc*i); //fd
// Memory::Write_U32(events, request.buffer_out + 0xc*i + 4); //events
Memory::Write_U32(revents, request.buffer_out + 0xc * i + 8); // revents
DEBUG_LOG(IOS_NET, "IOCTL_SO_POLL socket %d wevents %08X events %08X revents %08X", i, revents,
ufds[i].events, ufds[i].revents);
}
return GetDefaultReply(ret);
}