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Merge pull request #374 from ToadKing/master

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make IOCTL_SO_GETHOSTID more accurate on Windows
This commit is contained in:
shuffle2 2014-05-16 18:12:35 -07:00
commit d0de0c1222
1 changed files with 54 additions and 1 deletions
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55
Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_net.cpp
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@ -854,7 +854,60 @@ bool CWII_IPC_HLE_Device_net_ip_top::IOCtl(u32 _CommandAddress)
INFO_LOG(WII_IPC_NET, "IOCTL_SO_GETHOSTID "
"(BufferIn: (%08x, %i), BufferOut: (%08x, %i)",
BufferIn, BufferInSize, BufferOut, BufferOutSize);
ReturnValue = 192 << 24 | 168 << 16 | 1 << 8 | 150;
#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)
{
ReturnValue = Common::swap32(ipTable->table[i].dwAddr);
break;
}
}
}
#endif
// default placeholder, in case of failure
if (ReturnValue == 0)
ReturnValue = 192 << 24 | 168 << 16 | 1 << 8 | 150;
break;
}