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Retrieve MAC address on Windows

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This commit is contained in:
Cameron Gutman 2020-01-21 18:23:18 -08:00
parent 0bfa93814b
commit a417b08fb7
2 changed files with 51 additions and 0 deletions
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1
CMakeLists.txt
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@ -29,6 +29,7 @@ if(WIN32)
ksuser
wsock32
ws2_32
iphlpapi
windowsapp
d3d11 dxgi
setupapi)

50
sunshine/platform/windows.cpp
View File

@ -1,7 +1,12 @@
#include <thread>
#include <sstream>
#include <iomanip>
#include <Ws2tcpip.h>
#include <Winsock2.h>
#include <windows.h>
#include <winuser.h>
#include <iphlpapi.h>
#include <ViGEm/Client.h>
@ -11,6 +16,8 @@
namespace platf {
using namespace std::literals;
using adapteraddrs_t = util::c_ptr<IP_ADAPTER_ADDRESSES>;
class vigem_t {
public:
using client_t = util::safe_ptr<_VIGEM_CLIENT_T, vigem_free>;
@ -57,7 +64,50 @@ public:
client_t client;
};
std::string from_socket_address(const SOCKET_ADDRESS &socket_address) {
char data[INET6_ADDRSTRLEN];
auto family = socket_address.lpSockaddr->sa_family;
if(family == AF_INET6) {
inet_ntop(AF_INET6, &((sockaddr_in6*)socket_address.lpSockaddr)->sin6_addr, data, INET6_ADDRSTRLEN);
}
if(family == AF_INET) {
inet_ntop(AF_INET, &((sockaddr_in*)socket_address.lpSockaddr)->sin_addr, data, INET_ADDRSTRLEN);
}
return std::string { data };
}
adapteraddrs_t get_adapteraddrs() {
adapteraddrs_t info { nullptr };
ULONG size = 0;
while(GetAdaptersAddresses(AF_UNSPEC, 0, nullptr, info.get(), &size) == ERROR_BUFFER_OVERFLOW) {
info.reset((PIP_ADAPTER_ADDRESSES)malloc(size));
}
return info;
}
std::string get_mac_address(const std::string_view &address) {
adapteraddrs_t info = get_adapteraddrs();
for(auto adapter_pos = info.get(); adapter_pos != nullptr; adapter_pos = adapter_pos->Next) {
for(auto addr_pos = adapter_pos->FirstUnicastAddress; addr_pos != nullptr; addr_pos = addr_pos->Next) {
if(adapter_pos->PhysicalAddressLength != 0 && address == from_socket_address(addr_pos->Address)) {
std::stringstream mac_addr;
mac_addr << std::hex;
for(int i = 0; i < adapter_pos->PhysicalAddressLength; i++) {
if(i > 0) {
mac_addr << ':';
}
mac_addr << std::setw(2) << std::setfill('0') << (int)adapter_pos->PhysicalAddress[i];
}
return mac_addr.str();
}
}
}
BOOST_LOG(warning) << "Unable to find MAC address for "sv << address;
return "00:00:00:00:00:00"s;
}