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Added GetSockOptName 

Filter out and translate invalid sockopt names.
This commit is contained in:
Ryan Loebs 2016-03-30 00:25:19 -07:00
parent 0a7d53692a
commit b1f89408dd
1 changed files with 58 additions and 15 deletions
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59
src/core/hle/service/soc_u.cpp
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@ -295,6 +295,26 @@ union CTRSockAddr {
}
};
/// Filters valid sockopt names and converts from platform-specific name if necessary
static int GetSockOptName(u32 name) {
switch(name) {
case SO_RCVLOWAT:
#ifdef _WIN32
// LOWAT not supported by WinSock
return -1;
#endif
case SO_REUSEADDR:
case SO_SNDBUF:
case SO_RCVBUF:
case SO_TYPE:
case SO_ERROR:
return name;
default:
// all other options are either ineffectual or unsupported
return -1;
}
}
/// Holds info about the currently open sockets
static std::unordered_map<u32, SocketHolder> open_sockets;
@ -728,19 +748,30 @@ static void GetSockOpt(Service::Interface* self) {
u32* cmd_buffer = Kernel::GetCommandBuffer();
u32 socket_handle = cmd_buffer[1];
u32 level = cmd_buffer[2];
u32 optname = cmd_buffer[3];
int optname = GetSockOptName(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]));
char *optval = reinterpret_cast<char *>(Memory::GetPointer(cmd_buffer[0x104 >> 2]));
int ret = ::getsockopt(socket_handle, level, optname, optval, &optlen);
int err = 0;
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;
@ -752,15 +783,27 @@ static void SetSockOpt(Service::Interface* self) {
u32* cmd_buffer = Kernel::GetCommandBuffer();
u32 socket_handle = cmd_buffer[1];
u32 level = cmd_buffer[2];
u32 optname = cmd_buffer[3];
socklen_t optlen = static_cast<socklen_t>(cmd_buffer[4]);
const char *optval = reinterpret_cast<const char*>(Memory::GetPointer(cmd_buffer[8]));
int optname = GetSockOptName(cmd_buffer[3]);
int ret = static_cast<u32>(::setsockopt(socket_handle, level, optname, optval, optlen));
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;