diff options
Diffstat (limited to 'src/core/network/network_interface.cpp')
| -rw-r--r-- | src/core/network/network_interface.cpp | 209 |
1 files changed, 0 insertions, 209 deletions
diff --git a/src/core/network/network_interface.cpp b/src/core/network/network_interface.cpp deleted file mode 100644 index 15ecc6abf..000000000 --- a/src/core/network/network_interface.cpp +++ /dev/null @@ -1,209 +0,0 @@ -// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project -// SPDX-License-Identifier: GPL-2.0-or-later - -#include <algorithm> -#include <fstream> -#include <sstream> -#include <vector> - -#include "common/bit_cast.h" -#include "common/common_types.h" -#include "common/logging/log.h" -#include "common/settings.h" -#include "common/string_util.h" -#include "core/network/network_interface.h" - -#ifdef _WIN32 -#include <iphlpapi.h> -#else -#include <cerrno> -#include <ifaddrs.h> -#include <net/if.h> -#endif - -namespace Network { - -#ifdef _WIN32 - -std::vector<NetworkInterface> GetAvailableNetworkInterfaces() { - std::vector<IP_ADAPTER_ADDRESSES> adapter_addresses; - DWORD ret = ERROR_BUFFER_OVERFLOW; - DWORD buf_size = 0; - - // retry up to 5 times - for (int i = 0; i < 5 && ret == ERROR_BUFFER_OVERFLOW; i++) { - ret = GetAdaptersAddresses( - AF_INET, GAA_FLAG_SKIP_MULTICAST | GAA_FLAG_SKIP_DNS_SERVER | GAA_FLAG_INCLUDE_GATEWAYS, - nullptr, adapter_addresses.data(), &buf_size); - - if (ret != ERROR_BUFFER_OVERFLOW) { - break; - } - - adapter_addresses.resize((buf_size / sizeof(IP_ADAPTER_ADDRESSES)) + 1); - } - - if (ret != NO_ERROR) { - LOG_ERROR(Network, "Failed to get network interfaces with GetAdaptersAddresses"); - return {}; - } - - std::vector<NetworkInterface> result; - - for (auto current_address = adapter_addresses.data(); current_address != nullptr; - current_address = current_address->Next) { - if (current_address->FirstUnicastAddress == nullptr || - current_address->FirstUnicastAddress->Address.lpSockaddr == nullptr) { - continue; - } - - if (current_address->OperStatus != IfOperStatusUp) { - continue; - } - - const auto ip_addr = Common::BitCast<struct sockaddr_in>( - *current_address->FirstUnicastAddress->Address.lpSockaddr) - .sin_addr; - - ULONG mask = 0; - if (ConvertLengthToIpv4Mask(current_address->FirstUnicastAddress->OnLinkPrefixLength, - &mask) != NO_ERROR) { - LOG_ERROR(Network, "Failed to convert IPv4 prefix length to subnet mask"); - continue; - } - - struct in_addr gateway = {.S_un{.S_addr{0}}}; - if (current_address->FirstGatewayAddress != nullptr && - current_address->FirstGatewayAddress->Address.lpSockaddr != nullptr) { - gateway = Common::BitCast<struct sockaddr_in>( - *current_address->FirstGatewayAddress->Address.lpSockaddr) - .sin_addr; - } - - result.emplace_back(NetworkInterface{ - .name{Common::UTF16ToUTF8(std::wstring{current_address->FriendlyName})}, - .ip_address{ip_addr}, - .subnet_mask = in_addr{.S_un{.S_addr{mask}}}, - .gateway = gateway}); - } - - return result; -} - -#else - -std::vector<NetworkInterface> GetAvailableNetworkInterfaces() { - struct ifaddrs* ifaddr = nullptr; - - if (getifaddrs(&ifaddr) != 0) { - LOG_ERROR(Network, "Failed to get network interfaces with getifaddrs: {}", - std::strerror(errno)); - return {}; - } - - std::vector<NetworkInterface> result; - - for (auto ifa = ifaddr; ifa != nullptr; ifa = ifa->ifa_next) { - if (ifa->ifa_addr == nullptr || ifa->ifa_netmask == nullptr) { - continue; - } - - if (ifa->ifa_addr->sa_family != AF_INET) { - continue; - } - - if ((ifa->ifa_flags & IFF_UP) == 0 || (ifa->ifa_flags & IFF_LOOPBACK) != 0) { - continue; - } - - u32 gateway{}; - - std::ifstream file{"/proc/net/route"}; - if (!file.is_open()) { - LOG_ERROR(Network, "Failed to open \"/proc/net/route\""); - - result.emplace_back(NetworkInterface{ - .name{ifa->ifa_name}, - .ip_address{Common::BitCast<struct sockaddr_in>(*ifa->ifa_addr).sin_addr}, - .subnet_mask{Common::BitCast<struct sockaddr_in>(*ifa->ifa_netmask).sin_addr}, - .gateway{in_addr{.s_addr = gateway}}}); - continue; - } - - // ignore header - file.ignore(std::numeric_limits<std::streamsize>::max(), '\n'); - - bool gateway_found = false; - - for (std::string line; std::getline(file, line);) { - std::istringstream iss{line}; - - std::string iface_name; - iss >> iface_name; - if (iface_name != ifa->ifa_name) { - continue; - } - - iss >> std::hex; - - u32 dest{}; - iss >> dest; - if (dest != 0) { - // not the default route - continue; - } - - iss >> gateway; - - u16 flags{}; - iss >> flags; - - // flag RTF_GATEWAY (defined in <linux/route.h>) - if ((flags & 0x2) == 0) { - continue; - } - - gateway_found = true; - break; - } - - if (!gateway_found) { - gateway = 0; - } - - result.emplace_back(NetworkInterface{ - .name{ifa->ifa_name}, - .ip_address{Common::BitCast<struct sockaddr_in>(*ifa->ifa_addr).sin_addr}, - .subnet_mask{Common::BitCast<struct sockaddr_in>(*ifa->ifa_netmask).sin_addr}, - .gateway{in_addr{.s_addr = gateway}}}); - } - - freeifaddrs(ifaddr); - - return result; -} - -#endif - -std::optional<NetworkInterface> GetSelectedNetworkInterface() { - const auto& selected_network_interface = Settings::values.network_interface.GetValue(); - const auto network_interfaces = Network::GetAvailableNetworkInterfaces(); - if (network_interfaces.size() == 0) { - LOG_ERROR(Network, "GetAvailableNetworkInterfaces returned no interfaces"); - return std::nullopt; - } - - const auto res = - std::ranges::find_if(network_interfaces, [&selected_network_interface](const auto& iface) { - return iface.name == selected_network_interface; - }); - - if (res == network_interfaces.end()) { - LOG_ERROR(Network, "Couldn't find selected interface \"{}\"", selected_network_interface); - return std::nullopt; - } - - return *res; -} - -} // namespace Network |