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Merge pull request #1612 from ObsidianX/get-set-sockopt
SOC:U GetSockOpt/SetSockOpt
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commit
32dfd4b4fe
@ -151,6 +151,34 @@ static int TranslateError(int error) {
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return error;
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}
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/// Holds the translation from system network socket options to 3DS network socket options
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/// Note: -1 = No effect/unavailable
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static const std::unordered_map<int, int> sockopt_map = { {
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{ 0x0004, SO_REUSEADDR },
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{ 0x0080, -1 },
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{ 0x0100, -1 },
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{ 0x1001, SO_SNDBUF },
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{ 0x1002, SO_RCVBUF },
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{ 0x1003, -1 },
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#ifdef _WIN32
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/// Unsupported in WinSock2
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{ 0x1004, -1 },
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#else
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{ 0x1004, SO_RCVLOWAT },
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#endif
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{ 0x1008, SO_TYPE },
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{ 0x1009, SO_ERROR },
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}};
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/// Converts a socket option from 3ds-specific to platform-specific
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static int TranslateSockOpt(int console_opt_name) {
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auto found = sockopt_map.find(console_opt_name);
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if (found != sockopt_map.end()) {
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return found->second;
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}
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return console_opt_name;
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}
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/// Holds information about a particular socket
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struct SocketHolder {
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u32 socket_fd; ///< The socket descriptor
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@ -568,7 +596,7 @@ static void RecvFrom(Service::Interface* self) {
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socklen_t src_addr_len = sizeof(src_addr);
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int ret = ::recvfrom(socket_handle, (char*)output_buff, len, flags, &src_addr, &src_addr_len);
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if (buffer_parameters.output_src_address_buffer != 0) {
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if (ret >= 0 && buffer_parameters.output_src_address_buffer != 0 && src_addr_len > 0) {
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CTRSockAddr* ctr_src_addr = reinterpret_cast<CTRSockAddr*>(Memory::GetPointer(buffer_parameters.output_src_address_buffer));
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*ctr_src_addr = CTRSockAddr::FromPlatform(src_addr);
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}
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@ -724,6 +752,72 @@ static void ShutdownSockets(Service::Interface* self) {
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cmd_buffer[1] = 0;
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}
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static void GetSockOpt(Service::Interface* self) {
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u32* cmd_buffer = Kernel::GetCommandBuffer();
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u32 socket_handle = cmd_buffer[1];
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u32 level = cmd_buffer[2];
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int optname = TranslateSockOpt(cmd_buffer[3]);
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socklen_t optlen = (socklen_t)cmd_buffer[4];
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int ret = -1;
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int err = 0;
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if(optname < 0) {
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#ifdef _WIN32
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err = WSAEINVAL;
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#else
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err = EINVAL;
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#endif
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} else {
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// 0x100 = static buffer offset (bytes)
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// + 0x4 = 2nd pointer (u32) position
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// >> 2 = convert to u32 offset instead of byte offset (cmd_buffer = u32*)
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char* optval = reinterpret_cast<char *>(Memory::GetPointer(cmd_buffer[0x104 >> 2]));
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ret = ::getsockopt(socket_handle, level, optname, optval, &optlen);
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err = 0;
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if (ret == SOCKET_ERROR_VALUE) {
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err = TranslateError(GET_ERRNO);
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}
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}
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cmd_buffer[0] = IPC::MakeHeader(0x11, 4, 2);
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cmd_buffer[1] = ret;
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cmd_buffer[2] = err;
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cmd_buffer[3] = optlen;
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}
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static void SetSockOpt(Service::Interface* self) {
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u32* cmd_buffer = Kernel::GetCommandBuffer();
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u32 socket_handle = cmd_buffer[1];
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u32 level = cmd_buffer[2];
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int optname = TranslateSockOpt(cmd_buffer[3]);
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int ret = -1;
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int err = 0;
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if(optname < 0) {
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#ifdef _WIN32
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err = WSAEINVAL;
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#else
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err = EINVAL;
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#endif
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} else {
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socklen_t optlen = static_cast<socklen_t>(cmd_buffer[4]);
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const char* optval = reinterpret_cast<const char *>(Memory::GetPointer(cmd_buffer[8]));
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ret = static_cast<u32>(::setsockopt(socket_handle, level, optname, optval, optlen));
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err = 0;
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if (ret == SOCKET_ERROR_VALUE) {
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err = TranslateError(GET_ERRNO);
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}
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}
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cmd_buffer[0] = IPC::MakeHeader(0x12, 4, 4);
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cmd_buffer[1] = ret;
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cmd_buffer[2] = err;
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}
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const Interface::FunctionInfo FunctionTable[] = {
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{0x00010044, InitializeSockets, "InitializeSockets"},
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{0x000200C2, Socket, "Socket"},
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@ -741,8 +835,8 @@ const Interface::FunctionInfo FunctionTable[] = {
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{0x000E00C2, nullptr, "GetHostByAddr"},
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{0x000F0106, nullptr, "GetAddrInfo"},
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{0x00100102, nullptr, "GetNameInfo"},
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{0x00110102, nullptr, "GetSockOpt"},
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{0x00120104, nullptr, "SetSockOpt"},
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{0x00110102, GetSockOpt, "GetSockOpt"},
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{0x00120104, SetSockOpt, "SetSockOpt"},
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{0x001300C2, Fcntl, "Fcntl"},
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{0x00140084, Poll, "Poll"},
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{0x00150042, nullptr, "SockAtMark"},
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