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authorLiam <byteslice@airmail.cc>2023-08-28 17:48:25 +0200
committerLiam <byteslice@airmail.cc>2023-08-28 17:55:53 +0200
commit6c68b07a673e307eb44a9442fa93c5e6d79f3b52 (patch)
tree73b7190a946e4e8ea277e47b097e144773b4c92a /src/core
parentMerge pull request #11389 from FernandoS27/discard-fix (diff)
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Diffstat (limited to 'src/core')
-rw-r--r--src/core/hle/service/sockets/nsd.cpp11
-rw-r--r--src/core/hle/service/sockets/sfdnsres.cpp12
2 files changed, 21 insertions, 2 deletions
diff --git a/src/core/hle/service/sockets/nsd.cpp b/src/core/hle/service/sockets/nsd.cpp
index bac21752a..491b76d48 100644
--- a/src/core/hle/service/sockets/nsd.cpp
+++ b/src/core/hle/service/sockets/nsd.cpp
@@ -19,6 +19,12 @@ enum class ServerEnvironmentType : u8 {
Dp,
};
+// This is nn::nsd::EnvironmentIdentifier
+struct EnvironmentIdentifier {
+ std::array<u8, 8> identifier;
+};
+static_assert(sizeof(EnvironmentIdentifier) == 0x8);
+
NSD::NSD(Core::System& system_, const char* name) : ServiceFramework{system_, name} {
// clang-format off
static const FunctionInfo functions[] = {
@@ -101,8 +107,9 @@ void NSD::ResolveEx(HLERequestContext& ctx) {
}
void NSD::GetEnvironmentIdentifier(HLERequestContext& ctx) {
- const std::string environment_identifier = "lp1";
- ctx.WriteBuffer(environment_identifier);
+ constexpr EnvironmentIdentifier lp1 = {
+ .identifier = {'l', 'p', '1', '\0', '\0', '\0', '\0', '\0'}};
+ ctx.WriteBuffer(lp1);
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ResultSuccess);
diff --git a/src/core/hle/service/sockets/sfdnsres.cpp b/src/core/hle/service/sockets/sfdnsres.cpp
index 22e4a6f49..c657c4efd 100644
--- a/src/core/hle/service/sockets/sfdnsres.cpp
+++ b/src/core/hle/service/sockets/sfdnsres.cpp
@@ -150,6 +150,12 @@ static std::pair<u32, GetAddrInfoError> GetHostByNameRequestImpl(HLERequestConte
const std::string host = Common::StringFromBuffer(host_buffer);
// For now, ignore options, which are in input buffer 1 for GetHostByNameRequestWithOptions.
+ // Prevent resolution of Nintendo servers
+ if (host.find("srv.nintendo.net") != std::string::npos) {
+ LOG_WARNING(Network, "Resolution of hostname {} requested, returning EAI_AGAIN", host);
+ return {0, GetAddrInfoError::AGAIN};
+ }
+
auto res = Network::GetAddressInfo(host, /*service*/ std::nullopt);
if (!res.has_value()) {
return {0, Translate(res.error())};
@@ -261,6 +267,12 @@ static std::pair<u32, GetAddrInfoError> GetAddrInfoRequestImpl(HLERequestContext
const auto host_buffer = ctx.ReadBuffer(0);
const std::string host = Common::StringFromBuffer(host_buffer);
+ // Prevent resolution of Nintendo servers
+ if (host.find("srv.nintendo.net") != std::string::npos) {
+ LOG_WARNING(Network, "Resolution of hostname {} requested, returning EAI_AGAIN", host);
+ return {0, GetAddrInfoError::AGAIN};
+ }
+
std::optional<std::string> service = std::nullopt;
if (ctx.CanReadBuffer(1)) {
const std::span<const u8> service_buffer = ctx.ReadBuffer(1);