summaryrefslogtreecommitdiffstats
path: root/src/core/network
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--src/core/network/network.cpp11
-rw-r--r--src/core/network/network.h19
-rw-r--r--src/core/network/network_interface.cpp103
-rw-r--r--src/core/network/network_interface.h4
4 files changed, 121 insertions, 16 deletions
diff --git a/src/core/network/network.cpp b/src/core/network/network.cpp
index 71583159a..4732d4485 100644
--- a/src/core/network/network.cpp
+++ b/src/core/network/network.cpp
@@ -50,11 +50,6 @@ void Finalize() {
WSACleanup();
}
-constexpr IPv4Address TranslateIPv4(in_addr addr) {
- auto& bytes = addr.S_un.S_un_b;
- return IPv4Address{bytes.s_b1, bytes.s_b2, bytes.s_b3, bytes.s_b4};
-}
-
sockaddr TranslateFromSockAddrIn(SockAddrIn input) {
sockaddr_in result;
@@ -141,12 +136,6 @@ void Initialize() {}
void Finalize() {}
-constexpr IPv4Address TranslateIPv4(in_addr addr) {
- const u32 bytes = addr.s_addr;
- return IPv4Address{static_cast<u8>(bytes), static_cast<u8>(bytes >> 8),
- static_cast<u8>(bytes >> 16), static_cast<u8>(bytes >> 24)};
-}
-
sockaddr TranslateFromSockAddrIn(SockAddrIn input) {
sockaddr_in result;
diff --git a/src/core/network/network.h b/src/core/network/network.h
index cfa68d478..fdd3e4655 100644
--- a/src/core/network/network.h
+++ b/src/core/network/network.h
@@ -11,6 +11,12 @@
#include "common/common_funcs.h"
#include "common/common_types.h"
+#ifdef _WIN32
+#include <winsock2.h>
+#elif YUZU_UNIX
+#include <netinet/in.h>
+#endif
+
namespace Network {
class Socket;
@@ -93,6 +99,19 @@ public:
~NetworkInstance();
};
+#ifdef _WIN32
+constexpr IPv4Address TranslateIPv4(in_addr addr) {
+ auto& bytes = addr.S_un.S_un_b;
+ return IPv4Address{bytes.s_b1, bytes.s_b2, bytes.s_b3, bytes.s_b4};
+}
+#elif YUZU_UNIX
+constexpr IPv4Address TranslateIPv4(in_addr addr) {
+ const u32 bytes = addr.s_addr;
+ return IPv4Address{static_cast<u8>(bytes), static_cast<u8>(bytes >> 8),
+ static_cast<u8>(bytes >> 16), static_cast<u8>(bytes >> 24)};
+}
+#endif
+
/// @brief Returns host's IPv4 address
/// @return human ordered IPv4 address (e.g. 192.168.0.1) as an array
std::optional<IPv4Address> GetHostIPv4Address();
diff --git a/src/core/network/network_interface.cpp b/src/core/network/network_interface.cpp
index 75f4dc54f..b719da881 100644
--- a/src/core/network/network_interface.cpp
+++ b/src/core/network/network_interface.cpp
@@ -2,11 +2,15 @@
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
+#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"
@@ -29,8 +33,9 @@ std::vector<NetworkInterface> GetAvailableNetworkInterfaces() {
// 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,
- nullptr, adapter_addresses.data(), &buf_size);
+ 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) {
adapter_addresses.resize((buf_size / sizeof(IP_ADAPTER_ADDRESSES)) + 1);
@@ -57,9 +62,26 @@ std::vector<NetworkInterface> GetAvailableNetworkInterfaces() {
*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 = {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.push_back(NetworkInterface{
.name{Common::UTF16ToUTF8(std::wstring{current_address->FriendlyName})},
- .ip_address{ip_addr}});
+ .ip_address{ip_addr},
+ .subnet_mask = in_addr{.S_un{.S_addr{mask}}},
+ .gateway = gateway});
}
return result;
@@ -83,7 +105,7 @@ std::vector<NetworkInterface> GetAvailableNetworkInterfaces() {
}
for (auto ifa = ifaddr; ifa != nullptr; ifa = ifa->ifa_next) {
- if (ifa->ifa_addr == nullptr) {
+ if (ifa->ifa_addr == nullptr || ifa->ifa_netmask == nullptr) {
continue;
}
@@ -95,9 +117,59 @@ std::vector<NetworkInterface> GetAvailableNetworkInterfaces() {
continue;
}
+ std::uint32_t gateway{0};
+ std::ifstream file{"/proc/net/route"};
+ if (file.is_open()) {
+
+ // 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;
+
+ std::uint32_t dest{0};
+ iss >> dest;
+ if (dest != 0) {
+ // not the default route
+ continue;
+ }
+
+ iss >> gateway;
+
+ std::uint16_t flags{0};
+ iss >> flags;
+
+ // flag RTF_GATEWAY (defined in <linux/route.h>)
+ if ((flags & 0x2) == 0) {
+ continue;
+ }
+
+ gateway_found = true;
+ break;
+ }
+
+ if (!gateway_found) {
+ gateway = 0;
+ }
+ } else {
+ LOG_ERROR(Network, "Failed to open \"/proc/net/route\"");
+ }
+
result.push_back(NetworkInterface{
.name{ifa->ifa_name},
- .ip_address{Common::BitCast<struct sockaddr_in>(*ifa->ifa_addr).sin_addr}});
+ .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);
@@ -107,4 +179,25 @@ std::vector<NetworkInterface> GetAvailableNetworkInterfaces() {
#endif
+std::optional<NetworkInterface> GetSelectedNetworkInterface() {
+ const std::string& 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 {};
+ }
+
+ 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()) {
+ return *res;
+ } else {
+ LOG_ERROR(Network, "Couldn't find selected interface \"{}\"", selected_network_interface);
+ return {};
+ }
+}
+
} // namespace Network
diff --git a/src/core/network/network_interface.h b/src/core/network/network_interface.h
index d7184e14a..980edb2f5 100644
--- a/src/core/network/network_interface.h
+++ b/src/core/network/network_interface.h
@@ -4,6 +4,7 @@
#pragma once
+#include <optional>
#include <string>
#include <vector>
@@ -18,8 +19,11 @@ namespace Network {
struct NetworkInterface {
std::string name;
struct in_addr ip_address;
+ struct in_addr subnet_mask;
+ struct in_addr gateway;
};
std::vector<NetworkInterface> GetAvailableNetworkInterfaces();
+std::optional<NetworkInterface> GetSelectedNetworkInterface();
} // namespace Network
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-07 08:22:57 +0200