Merge branch 'httpc' into online

Is more consistent and allows for an easier overview of all available services.

externals/CMakeLists.txt

@@ -199,7 +199,7 @@ if (NOT OPENSSL_FOUND)
     set(LIBRESSL_SKIP_INSTALL ON CACHE BOOL "")
     set(OPENSSLDIR "/etc/ssl/")
     add_subdirectory(libressl EXCLUDE_FROM_ALL)
-    target_include_directories(ssl INTERFACE ./libressl/include)
+    target_include_directories(ssl SYSTEM INTERFACE ./libressl/include)
     target_compile_definitions(ssl PRIVATE -DHAVE_INET_NTOP)
     get_directory_property(OPENSSL_LIBRARIES
         DIRECTORY libressl
@@ -211,13 +211,13 @@ add_library(httplib INTERFACE)
 if(USE_SYSTEM_CPP_HTTPLIB)
     find_package(CppHttp 0.14.1)
     if(CppHttp_FOUND)
-        target_link_libraries(httplib INTERFACE cpp-httplib::cpp-httplib)
+        target_link_libraries(httplib SYSTEM INTERFACE cpp-httplib::cpp-httplib)
     else()
         message(STATUS "Cpp-httplib not found or not suitable version! Falling back to bundled...")
-        target_include_directories(httplib INTERFACE ./httplib)
+        target_include_directories(httplib SYSTEM INTERFACE ./httplib)
     endif()
 else()
-    target_include_directories(httplib INTERFACE ./httplib)
+    target_include_directories(httplib SYSTEM INTERFACE ./httplib)
 endif()
 target_compile_options(httplib INTERFACE -DCPPHTTPLIB_OPENSSL_SUPPORT)
 target_link_libraries(httplib INTERFACE ${OPENSSL_LIBRARIES})

externals/httplib/README.md

@@ -1,4 +1,4 @@
-From https://github.com/yhirose/cpp-httplib/commit/8e10d4e8e7febafce0632810262e81e853b2065f
+From https://github.com/yhirose/cpp-httplib/commit/0a629d739127dcc5d828474a5aedae1f234687d3
 
 MIT License
 

src/common/string_util.h

@@ -6,6 +6,7 @@
 
 #include <algorithm>
 #include <cstddef>
+#include <span>
 #include <string>
 #include <string_view>
 #include <vector>
@@ -84,6 +85,15 @@ std::string UTF16BufferToUTF8(const T& text) {
     return UTF16ToUTF8(buffer);
 }
 
+/**
+ * Removes trailing null bytes from the string.
+ */
+inline void TruncateString(std::string& str) {
+    while (str.size() && str.back() == '\0') {
+        str.pop_back();
+    }
+}
+
 /**
  * Creates a std::string from a fixed-size NUL-terminated char buffer. If the buffer isn't
  * NUL-terminated then the string ends at max_len characters.

src/core/hle/kernel/hle_ipc.h

@@ -213,6 +213,11 @@ public:
         return {cmd_buf[0]};
     }
 
+    /// Returns the command ID from the IPC command buffer.
+    u16 CommandID() const {
+        return static_cast<u16>(CommandHeader().command_id.Value());
+    }
+
     /**
      * Returns the session through which this request was made. This can be used as a map key to
      * access per-client data on services.

src/core/hle/service/frd/frd.h

@@ -6,22 +6,28 @@
 
 #include <memory>
 #include "common/common_types.h"
+#include "core/hle/mii.h"
 #include "core/hle/service/service.h"
 
 namespace Core {
 class System;
 }
 
-namespace Kernel {
-class Event;
-}
-
 namespace Service::FRD {
 
+constexpr u32 FRIEND_SCREEN_NAME_SIZE = 0xB;            ///< 11-short UTF-16 screen name
+constexpr u32 FRIEND_COMMENT_SIZE = 0x11;               ///< 17-short UTF-16 comment
+constexpr u32 FRIEND_GAME_MODE_DESCRIPTION_SIZE = 0x80; ///< 128-short UTF-16 description
+constexpr u32 FRIEND_LIST_SIZE = 0x64;
+
 struct FriendKey {
-    u32 friend_id;
+    u32_le friend_id{};
-    u32 unknown;
+    u32_le unknown{};
-    u64 friend_code;
+    u64_le friend_code{};
+
+    bool operator==(const FriendKey& other) {
+        return friend_id == other.friend_id;
+    }
 
 private:
     template <class Archive>
@@ -33,45 +39,328 @@ private:
     friend class boost::serialization::access;
 };
 
-struct MyPresence {
+struct TitleData {
-    u8 unknown[0x12C];
+    u64_le tid{};
+    u32_le version{};
+    u32_le unk{};
 
 private:
     template <class Archive>
     void serialize(Archive& ar, const unsigned int) {
-        ar& unknown;
+        ar& tid;
+        ar& version;
+        ar& unk;
     }
     friend class boost::serialization::access;
 };
 
-struct Profile {
+struct GameMode {
-    u8 region;
+    u32_le join_flags{};
-    u8 country;
+    u32_le type{};
-    u8 area;
+    u32_le game_ID{};
-    u8 language;
+    u32_le game_mode{};
-    u8 platform;
+    u32_le host_principal_ID{};
-    INSERT_PADDING_BYTES(0x3);
+    u32_le gathering_ID{};
-};
+    std::array<u8, 20> app_args{};
-static_assert(sizeof(Profile) == 0x8, "Profile has incorrect size");
 
-struct Game {
+private:
-    u64 title_id;
+    template <class Archive>
-    u16 version;
+    void serialize(Archive& ar, const unsigned int) {
-    INSERT_PADDING_BYTES(0x6);
+        ar& join_flags;
+        ar& type;
+        ar& game_ID;
+        ar& game_mode;
+        ar& host_principal_ID;
+        ar& gathering_ID;
+        ar& app_args;
+    }
+    friend class boost::serialization::access;
 };
-static_assert(sizeof(Game) == 0x10, "Game has inccorect size");
 
-struct ScreenName {
+struct FriendPlayingGame {
-    // 20 bytes according to 3dbrew
+    TitleData title{};
-    std::array<char16_t, 10> name;
+    std::array<u16_le, FRIEND_GAME_MODE_DESCRIPTION_SIZE> description{};
-};
-static_assert(sizeof(ScreenName) == 0x14, "ScreenName has inccorect size");
 
-struct Comment {
+private:
-    // 32 bytes according to 3dbrew
+    template <class Archive>
-    std::array<char16_t, 16> name;
+    void serialize(Archive& ar, const unsigned int) {
+        ar& title;
+        ar& description;
+    }
+    friend class boost::serialization::access;
 };
-static_assert(sizeof(Comment) == 0x20, "Comment has inccorect size");
+
+struct MyPresence {
+    GameMode game_mode{};
+    std::array<u16_le, FRIEND_GAME_MODE_DESCRIPTION_SIZE> description{};
+
+private:
+    template <class Archive>
+    void serialize(Archive& ar, const unsigned int) {
+        ar& game_mode;
+        ar& description;
+    }
+    friend class boost::serialization::access;
+};
+
+struct FriendPresence {
+    GameMode game_mode{};
+    u8 is_online{};
+    u8 unknown{};
+    u8 is_valid{};
+
+private:
+    template <class Archive>
+    void serialize(Archive& ar, const unsigned int) {
+        ar& game_mode;
+        ar& is_online;
+        ar& unknown;
+        ar& is_valid;
+    }
+    friend class boost::serialization::access;
+};
+
+struct GameAuthenticationData {
+    s32_le result{};
+    s32_le http_status_code{};
+    std::array<char, 32> server_address{};
+    u16_le server_port{};
+    u16_le padding1{};
+    u32_le unused{};
+    std::array<char, 256> auth_token{};
+    u64_le server_time{};
+
+    void Init() {
+        memset(this, 0, sizeof(*this));
+    }
+
+private:
+    template <class Archive>
+    void serialize(Archive& ar, const unsigned int) {
+        ar& result;
+        ar& http_status_code;
+        ar& server_address;
+        ar& server_port;
+        ar& padding1;
+        ar& unused;
+        ar& auth_token;
+        ar& server_time;
+    }
+    friend class boost::serialization::access;
+};
+
+struct ServiceLocatorData {
+    s32_le result{};
+    s32_le http_status_code{};
+    std::array<char, 128> service_host{};
+    std::array<char, 256> service_token{};
+    u8 status;
+    std::array<char, 7> padding{};
+    u64_le server_time{};
+
+    void Init() {
+        memset(this, 0, sizeof(*this));
+    }
+
+private:
+    template <class Archive>
+    void serialize(Archive& ar, const unsigned int) {
+        ar& result;
+        ar& http_status_code;
+        ar& service_token;
+        ar& status;
+        ar& service_host;
+        ar& server_time;
+    }
+    friend class boost::serialization::access;
+};
+
+struct UserNameData {
+    std::array<u16_le, 11> user_name{};
+    u8 is_bad_word{};
+    u8 unknown{};
+    u32_le bad_word_ver{};
+
+private:
+    template <class Archive>
+    void serialize(Archive& ar, const unsigned int) {
+        ar& user_name;
+        ar& is_bad_word;
+        ar& unknown;
+        ar& bad_word_ver;
+    }
+    friend class boost::serialization::access;
+};
+
+struct FriendProfile {
+    u8 region{};
+    u8 country{};
+    u8 area{};
+    u8 language{};
+    u8 platform{};
+    std::array<u8, 3> padding{};
+
+private:
+    template <class Archive>
+    void serialize(Archive& ar, const unsigned int) {
+        ar& region;
+        ar& country;
+        ar& area;
+        ar& language;
+        ar& platform;
+        ar& padding;
+    }
+    friend class boost::serialization::access;
+};
+
+struct FriendInfo {
+    FriendKey friend_key{};
+    s64_le account_creation_timestamp{};
+    u8 relationship{};
+    std::array<u8, 3> padding1{};
+    u32_le padding2{};
+    FriendProfile friend_profile{};
+    TitleData favorite_game{};
+    u32_le principal_ID{};
+    u16_le comment[FRIEND_COMMENT_SIZE]{};
+    u16_le padding3{};
+    s64_le last_online_timestamp{};
+    std::array<u16_le, FRIEND_SCREEN_NAME_SIZE> screen_name;
+    u8 font_region{};
+    u8 padding4{};
+    Mii::ChecksummedMiiData mii_data{};
+
+private:
+    template <class Archive>
+    void serialize(Archive& ar, const unsigned int) {
+        ar& friend_key;
+        ar& account_creation_timestamp;
+        ar& relationship;
+        ar& padding1;
+        ar& padding2;
+        ar& friend_profile;
+        ar& favorite_game;
+        ar& principal_ID;
+        ar& comment;
+        ar& padding3;
+        ar& last_online_timestamp;
+        ar& screen_name;
+        ar& font_region;
+        ar& padding4;
+        ar& mii_data;
+    }
+    friend class boost::serialization::access;
+};
+
+struct AccountDataV1 {
+    static constexpr u32 MAGIC_VALUE = 0x54444146;
+    static constexpr u32 VERSION_VALUE = 0x1;
+
+    u32_le magic{MAGIC_VALUE};
+    u32_le version{VERSION_VALUE};
+    u32_le reserved{};
+    u32_le checksum{};
+    UserNameData device_name{};
+    u32_le padding1{};
+    std::array<char, 0x20> password{};
+    std::array<char, 0x10> pid_HMAC{};
+    std::array<char, 0x10> serial_number{};
+    std::array<u8, 6> mac_address{};
+    u16_le padding2{};
+    std::array<u8, 0x110> device_cert{};
+    std::array<char, 0x20> nasc_url{};
+    std::array<u8, 0x4E0> ctr_common_prod_cert{};
+    std::array<u8, 0x4C0> ctr_common_prod_key{};
+    FriendKey my_key{};
+    u8 my_pref_public_mode{};
+    u8 my_pref_public_game_name{};
+    u8 my_pref_public_played_game{};
+    u8 padding3{};
+    FriendProfile my_profile{};
+    std::array<u16_le, FRIEND_SCREEN_NAME_SIZE> my_screen_name{};
+    u16_le padding4{};
+    Mii::ChecksummedMiiData my_mii_data{};
+    u32_le padding5{};
+    TitleData my_fav_game{};
+    std::array<u16_le, FRIEND_COMMENT_SIZE> my_comment{};
+    u16_le my_friend_count{};
+    u32_le padding6{};
+    std::array<FriendInfo, FRIEND_LIST_SIZE> friend_info{};
+
+    AccountDataV1() {
+        Init();
+    }
+
+    AccountDataV1& operator=(const AccountDataV1&) = default;
+    AccountDataV1& operator=(AccountDataV1&&) = default;
+
+    u32 GenerateChecksum() {
+        u32 checksum = 0;
+        u8* data = reinterpret_cast<u8*>(this);
+        for (int i = 0; i < sizeof(AccountDataV1); i++) {
+            checksum = data[i] + checksum * 0x65;
+        }
+        return checksum;
+    }
+
+    bool IsValid() {
+        if (magic != MAGIC_VALUE || version != VERSION_VALUE) {
+            return false;
+        }
+        u32 checksum_backup = checksum;
+        checksum = 0;
+        bool good_checksum = GenerateChecksum() == checksum_backup;
+        checksum = checksum_backup;
+        return good_checksum;
+    }
+
+    std::optional<const FriendInfo*> GetFriendInfo(const FriendKey& key) {
+        for (int i = 0; i < my_friend_count; i++) {
+            if (friend_info[i].friend_key == key) {
+                return &friend_info[i];
+            }
+        }
+        return std::nullopt;
+    }
+
+private:
+    void Init();
+    template <class Archive>
+    void serialize(Archive& ar, const unsigned int) {
+        ar& magic;
+        ar& version;
+        ar& reserved;
+        ar& checksum;
+        ar& device_name;
+        ar& padding1;
+        ar& password;
+        ar& pid_HMAC;
+        ar& serial_number;
+        ar& mac_address;
+        ar& padding2;
+        ar& device_cert;
+        ar& nasc_url;
+        ar& ctr_common_prod_cert;
+        ar& ctr_common_prod_key;
+        ar& my_key;
+        ar& my_pref_public_mode;
+        ar& my_pref_public_game_name;
+        ar& my_pref_public_played_game;
+        ar& padding3;
+        ar& my_profile;
+        ar& my_screen_name;
+        ar& padding4;
+        ar& my_mii_data;
+        ar& padding5;
+        ar& my_fav_game;
+        ar& my_comment;
+        ar& my_friend_count;
+        ar& padding6;
+        ar& friend_info;
+    }
+    friend class boost::serialization::access;
+};
+static_assert(sizeof(AccountDataV1) == 25496, "AccountDataV1 has wrong size");
 
 class Module final {
 public:
@@ -84,6 +373,28 @@ public:
         ~Interface();
 
     protected:
+        void HasLoggedIn(Kernel::HLERequestContext& ctx);
+
+        void IsOnline(Kernel::HLERequestContext& ctx);
+
+        void Login(Kernel::HLERequestContext& ctx);
+
+        void Logout(Kernel::HLERequestContext& ctx);
+
+        /**
+         * FRD::GetMyFriendKey service function
+         *  Inputs:
+         *      none
+         *  Outputs:
+         *      1 : Result of function, 0 on success, otherwise error code
+         *      2-5 : FriendKey
+         */
+        void GetMyFriendKey(Kernel::HLERequestContext& ctx);
+
+        void GetMyPreference(Kernel::HLERequestContext& ctx);
+
+        void GetMyProfile(Kernel::HLERequestContext& ctx);
+
         /**
          * FRD::GetMyPresence service function
          *  Inputs:
@@ -94,6 +405,28 @@ public:
          */
         void GetMyPresence(Kernel::HLERequestContext& ctx);
 
+        /**
+         * FRD::GetMyScreenName service function
+         *  Outputs:
+         *      1 : Result of function, 0 on success, otherwise error code
+         *      2 : UTF16 encoded name (max 11 symbols)
+         */
+        void GetMyScreenName(Kernel::HLERequestContext& ctx);
+
+        void GetMyMii(Kernel::HLERequestContext& ctx);
+
+        void GetMyLocalAccountId(Kernel::HLERequestContext& ctx);
+
+        void GetMyPlayingGame(Kernel::HLERequestContext& ctx);
+
+        void GetMyFavoriteGame(Kernel::HLERequestContext& ctx);
+
+        void GetMyNcPrincipalId(Kernel::HLERequestContext& ctx);
+
+        void GetMyComment(Kernel::HLERequestContext& ctx);
+
+        void GetMyPassword(Kernel::HLERequestContext& ctx);
+
         /**
          * FRD::GetFriendKeyList service function
          *  Inputs:
@@ -106,6 +439,12 @@ public:
          */
         void GetFriendKeyList(Kernel::HLERequestContext& ctx);
 
+        void GetFriendPresence(Kernel::HLERequestContext& ctx);
+
+        void GetFriendScreenName(Kernel::HLERequestContext& ctx);
+
+        void GetFriendMii(Kernel::HLERequestContext& ctx);
+
         /**
          * FRD::GetFriendProfile service function
          *  Inputs:
@@ -119,6 +458,8 @@ public:
          */
         void GetFriendProfile(Kernel::HLERequestContext& ctx);
 
+        void GetFriendRelationship(Kernel::HLERequestContext& ctx);
+
         /**
          * FRD::GetFriendAttributeFlags service function
          *  Inputs:
@@ -131,73 +472,13 @@ public:
          */
         void GetFriendAttributeFlags(Kernel::HLERequestContext& ctx);
 
-        /**
+        void GetFriendPlayingGame(Kernel::HLERequestContext& ctx);
-         * FRD::GetMyFriendKey service function
-         *  Inputs:
-         *      none
-         *  Outputs:
-         *      1 : Result of function, 0 on success, otherwise error code
-         *      2-5 : FriendKey
-         */
-        void GetMyFriendKey(Kernel::HLERequestContext& ctx);
 
-        /**
+        void GetFriendFavoriteGame(Kernel::HLERequestContext& ctx);
-         * FRD::GetMyScreenName service function
-         *  Outputs:
-         *      1 : Result of function, 0 on success, otherwise error code
-         *      2 : UTF16 encoded name (max 11 symbols)
-         */
-        void GetMyScreenName(Kernel::HLERequestContext& ctx);
 
-        /**
+        void GetFriendInfo(Kernel::HLERequestContext& ctx);
-         * FRD::GetMyMii service function
-         *  Outputs:
-         *      1 : Result of function, 0 on success, otherwise error code
-         *      2 : MiiStoreData structure
-         */
-        void GetMyMii(Kernel::HLERequestContext& ctx);
 
-        /**
+        void IsIncludedInFriendList(Kernel::HLERequestContext& ctx);
-         * FRD::GetMyProfile service function
-         *  Outputs:
-         *      1 : Result of function, 0 on success, otherwise error code
-         *    2-3 : Profile structure
-         */
-        void GetMyProfile(Kernel::HLERequestContext& ctx);
-
-        /**
-         * FRD::GetMyComment service function
-         *  Outputs:
-         *      1 : Result of function, 0 on success, otherwise error code
-         *      2 : UTF16 encoded comment (max 16 symbols)
-         */
-        void GetMyComment(Kernel::HLERequestContext& ctx);
-
-        /**
-         * FRD::GetMyFavoriteGame service function
-         *  Outputs:
-         *      1 : Result of function, 0 on success, otherwise error code
-         *    2-3 : Game structure
-         */
-        void GetMyFavoriteGame(Kernel::HLERequestContext& ctx);
-
-        /**
-         * FRD::GetMyPlayingGame service function
-         *  Outputs:
-         *      1 : Result of function, 0 on success, otherwise error code
-         *    2-3 : Game structure
-         */
-        void GetMyPlayingGame(Kernel::HLERequestContext& ctx);
-
-        /**
-         * FRD::GetMyPreference service function
-         *  Outputs:
-         *      1 : Result of function, 0 on success, otherwise error code
-         *      2 : Public mode (byte, 0 = private, non-zero = public)
-         *      3 : Show current game (byte, 0 = don't show, non-zero = show)
-         *      4 : Show game history (byte, 0 = don't show, non-zero = show)
-         */
-        void GetMyPreference(Kernel::HLERequestContext& ctx);
 
         /**
          * FRD::UnscrambleLocalFriendCode service function
@@ -212,6 +493,26 @@ public:
          */
         void UnscrambleLocalFriendCode(Kernel::HLERequestContext& ctx);
 
+        void UpdateGameModeDescription(Kernel::HLERequestContext& ctx);
+
+        void UpdateGameMode(Kernel::HLERequestContext& ctx);
+
+        void AttachToEventNotification(Kernel::HLERequestContext& ctx);
+
+        void SetNotificationMask(Kernel::HLERequestContext& ctx);
+
+        void GetEventNotification(Kernel::HLERequestContext& ctx);
+
+        void GetLastResponseResult(Kernel::HLERequestContext& ctx);
+
+        void RequestGameAuthentication(Kernel::HLERequestContext& ctx);
+
+        void GetGameAuthenticationData(Kernel::HLERequestContext& ctx);
+
+        void RequestServiceLocator(Kernel::HLERequestContext& ctx);
+
+        void GetServiceLocatorData(Kernel::HLERequestContext& ctx);
+
         /**
          * FRD::SetClientSdkVersion service function
          *  Inputs:
@@ -221,59 +522,29 @@ public:
          */
         void SetClientSdkVersion(Kernel::HLERequestContext& ctx);
 
-        /**
-         * FRD::Login service function
-         *  Inputs:
-         *      65 : Address of unknown event
-         *  Outputs:
-         *      1  : Result of function, 0 on success, otherwise error code
-         */
-        void Login(Kernel::HLERequestContext& ctx);
-
-        /**
-         * FRD::IsOnline service function
-         *  Inputs:
-         *      none
-         *  Outputs:
-         *      1  : Result of function, 0 on success, otherwise error code
-         *      2  : Online state (8-bit, 0 = not online, non-zero = online)
-         */
-        void IsOnline(Kernel::HLERequestContext& ctx);
-
-        /**
-         * FRD::HasLoggedIn service function
-         *  Outputs:
-         *      1 : Result of function, 0 on success, otherwise error code
-         *      2 : If the user has logged in 1, otherwise 0
-         */
-        void HasLoggedIn(Kernel::HLERequestContext& ctx);
-
-        /**
-         * FRD::GetLastResponseResult service function
-         *  Inputs:
-         *      none
-         *  Outputs:
-         *      1 : Result of function, 0 on success, otherwise error code
-         */
-        void GetLastResponseResult(Kernel::HLERequestContext& ctx);
-
     protected:
         std::shared_ptr<Module> frd;
     };
 
 private:
-    FriendKey my_friend_key = {0, 0, 0ull};
+    AccountDataV1 my_account_data;
-    MyPresence my_presence = {};
+    GameAuthenticationData last_game_auth_data{};
-    bool logged_in = false;
+    ServiceLocatorData last_service_locator_data{};
-    std::shared_ptr<Kernel::Event> login_event;
+    MyPresence my_presence{};
-    Core::TimingEventType* login_delay_event;
+
     Core::System& system;
 
+    bool has_logged_in = false;
+    u32 notif_event_mask = 0xF7;
+    std::shared_ptr<Kernel::Event> notif_event;
+
+    static const u32 fpd_version = 16;
+
     template <class Archive>
     void serialize(Archive& ar, const unsigned int) {
-        ar& my_friend_key;
+        ar& my_account_data;
+        ar& last_game_auth_data;
         ar& my_presence;
-        ar& logged_in;
     }
     friend class boost::serialization::access;
 };

src/core/hle/service/frd/frd_a.cpp

@@ -14,44 +14,44 @@ FRD_A::FRD_A(std::shared_ptr<Module> frd) : Module::Interface(std::move(frd), "f
         {0x0001, &FRD_A::HasLoggedIn, "HasLoggedIn"},
         {0x0002, &FRD_A::IsOnline, "IsOnline"},
         {0x0003, &FRD_A::Login, "Login"},
-        {0x0004, nullptr, "Logout"},
+        {0x0004, &FRD_A::Logout, "Logout"},
         {0x0005, &FRD_A::GetMyFriendKey, "GetMyFriendKey"},
         {0x0006, &FRD_A::GetMyPreference, "GetMyPreference"},
         {0x0007, &FRD_A::GetMyProfile, "GetMyProfile"},
         {0x0008, &FRD_A::GetMyPresence, "GetMyPresence"},
         {0x0009, &FRD_A::GetMyScreenName, "GetMyScreenName"},
         {0x000A, &FRD_A::GetMyMii, "GetMyMii"},
-        {0x000B, nullptr, "GetMyLocalAccountId"},
+        {0x000B, &FRD_A::GetMyLocalAccountId, "GetMyLocalAccountId"},
         {0x000C, &FRD_A::GetMyPlayingGame, "GetMyPlayingGame"},
         {0x000D, &FRD_A::GetMyFavoriteGame, "GetMyFavoriteGame"},
-        {0x000E, nullptr, "GetMyNcPrincipalId"},
+        {0x000E, &FRD_A::GetMyNcPrincipalId, "GetMyNcPrincipalId"},
         {0x000F, &FRD_A::GetMyComment, "GetMyComment"},
-        {0x0010, nullptr, "GetMyPassword"},
+        {0x0010, &FRD_A::GetMyPassword, "GetMyPassword"},
         {0x0011, &FRD_A::GetFriendKeyList, "GetFriendKeyList"},
-        {0x0012, nullptr, "GetFriendPresence"},
+        {0x0012, &FRD_A::GetFriendPresence, "GetFriendPresence"},
-        {0x0013, nullptr, "GetFriendScreenName"},
+        {0x0013, &FRD_A::GetFriendScreenName, "GetFriendScreenName"},
-        {0x0014, nullptr, "GetFriendMii"},
+        {0x0014, &FRD_A::GetFriendMii, "GetFriendMii"},
         {0x0015, &FRD_A::GetFriendProfile, "GetFriendProfile"},
-        {0x0016, nullptr, "GetFriendRelationship"},
+        {0x0016, &FRD_A::GetFriendRelationship, "GetFriendRelationship"},
         {0x0017, &FRD_A::GetFriendAttributeFlags, "GetFriendAttributeFlags"},
-        {0x0018, nullptr, "GetFriendPlayingGame"},
+        {0x0018, &FRD_A::GetFriendPlayingGame, "GetFriendPlayingGame"},
-        {0x0019, nullptr, "GetFriendFavoriteGame"},
+        {0x0019, &FRD_A::GetFriendFavoriteGame, "GetFriendFavoriteGame"},
-        {0x001A, nullptr, "GetFriendInfo"},
+        {0x001A, &FRD_A::GetFriendInfo, "GetFriendInfo"},
-        {0x001B, nullptr, "IsIncludedInFriendList"},
+        {0x001B, &FRD_A::IsIncludedInFriendList, "IsIncludedInFriendList"},
         {0x001C, &FRD_A::UnscrambleLocalFriendCode, "UnscrambleLocalFriendCode"},
-        {0x001D, nullptr, "UpdateGameModeDescription"},
+        {0x001D, &FRD_A::UpdateGameModeDescription, "UpdateGameModeDescription"},
-        {0x001E, nullptr, "UpdateGameMode"},
+        {0x001E, &FRD_A::UpdateGameMode, "UpdateGameMode"},
         {0x001F, nullptr, "SendInvitation"},
-        {0x0020, nullptr, "AttachToEventNotification"},
+        {0x0020, &FRD_A::AttachToEventNotification, "AttachToEventNotification"},
-        {0x0021, nullptr, "SetNotificationMask"},
+        {0x0021, &FRD_A::SetNotificationMask, "SetNotificationMask"},
-        {0x0022, nullptr, "GetEventNotification"},
+        {0x0022, &FRD_A::GetEventNotification, "GetEventNotification"},
         {0x0023, &FRD_A::GetLastResponseResult, "GetLastResponseResult"},
         {0x0024, nullptr, "PrincipalIdToFriendCode"},
         {0x0025, nullptr, "FriendCodeToPrincipalId"},
         {0x0026, nullptr, "IsValidFriendCode"},
         {0x0027, nullptr, "ResultToErrorCode"},
-        {0x0028, nullptr, "RequestGameAuthentication"},
+        {0x0028, &FRD_A::RequestGameAuthentication, "RequestGameAuthentication"},
-        {0x0029, nullptr, "GetGameAuthenticationData"},
+        {0x0029, &FRD_A::GetGameAuthenticationData, "GetGameAuthenticationData"},
         {0x002A, nullptr, "RequestServiceLocator"},
         {0x002B, nullptr, "GetServiceLocatorData"},
         {0x002C, nullptr, "DetectNatProperties"},
@@ -64,15 +64,23 @@ FRD_A::FRD_A(std::shared_ptr<Module> frd) : Module::Interface(std::move(frd), "f
         {0x0033, nullptr, "GetMyApproachContext"},
         {0x0034, nullptr, "AddFriendWithApproach"},
         {0x0035, nullptr, "DecryptApproachContext"},
-        {0x0405, nullptr, "SaveData"},
+        // frd:a commands start here
+        {0x0401, nullptr, "CreateLocalAccount"},
+        {0x0402, nullptr, "DeleteConfig"},
+        {0x0403, nullptr, "SetLocalAccountId"},
+        {0x0404, nullptr, "ResetAccountConfig"},
+        {0x0405, nullptr, "HasUserData"},
         {0x0406, nullptr, "AddFriendOnline"},
+        {0x0407, nullptr, "AddFriendOffline"},
+        {0x0408, nullptr, "SetFriendDisplayName"},
         {0x0409, nullptr, "RemoveFriend"},
-        {0x040a, nullptr, "UpdatePlayingGame"},
+        {0x040A, nullptr, "SetPresenseGameKey"},
-        {0x040b, nullptr, "UpdatePreference"},
+        {0x040B, nullptr, "SetPrivacySettings"},
-        {0x040c, nullptr, "UpdateMii"},
+        {0x040C, nullptr, "SetMyData"},
-        {0x040d, nullptr, "UpdateFavoriteGame"},
+        {0x040D, nullptr, "SetMyFavoriteGame"},
-        {0x040e, nullptr, "UpdateNcPrincipalId"},
+        {0x040E, nullptr, "SetMyNCPrincipalId"},
-        {0x040f, nullptr, "UpdateComment"},
+        {0x040F, nullptr, "SetPersonalComment"},
+        {0x0410, nullptr, "DecryptApproachContext"},
     };
     RegisterHandlers(functions);
 }

src/core/hle/service/frd/frd_u.cpp

@@ -14,46 +14,46 @@ FRD_U::FRD_U(std::shared_ptr<Module> frd) : Module::Interface(std::move(frd), "f
         {0x0001, &FRD_U::HasLoggedIn, "HasLoggedIn"},
         {0x0002, &FRD_U::IsOnline, "IsOnline"},
         {0x0003, &FRD_U::Login, "Login"},
-        {0x0004, nullptr, "Logout"},
+        {0x0004, &FRD_U::Logout, "Logout"},
         {0x0005, &FRD_U::GetMyFriendKey, "GetMyFriendKey"},
         {0x0006, &FRD_U::GetMyPreference, "GetMyPreference"},
         {0x0007, &FRD_U::GetMyProfile, "GetMyProfile"},
         {0x0008, &FRD_U::GetMyPresence, "GetMyPresence"},
         {0x0009, &FRD_U::GetMyScreenName, "GetMyScreenName"},
         {0x000A, &FRD_U::GetMyMii, "GetMyMii"},
-        {0x000B, nullptr, "GetMyLocalAccountId"},
+        {0x000B, &FRD_U::GetMyLocalAccountId, "GetMyLocalAccountId"},
         {0x000C, &FRD_U::GetMyPlayingGame, "GetMyPlayingGame"},
         {0x000D, &FRD_U::GetMyFavoriteGame, "GetMyFavoriteGame"},
-        {0x000E, nullptr, "GetMyNcPrincipalId"},
+        {0x000E, &FRD_U::GetMyNcPrincipalId, "GetMyNcPrincipalId"},
         {0x000F, &FRD_U::GetMyComment, "GetMyComment"},
-        {0x0010, nullptr, "GetMyPassword"},
+        {0x0010, &FRD_U::GetMyPassword, "GetMyPassword"},
         {0x0011, &FRD_U::GetFriendKeyList, "GetFriendKeyList"},
-        {0x0012, nullptr, "GetFriendPresence"},
+        {0x0012, &FRD_U::GetFriendPresence, "GetFriendPresence"},
-        {0x0013, nullptr, "GetFriendScreenName"},
+        {0x0013, &FRD_U::GetFriendScreenName, "GetFriendScreenName"},
-        {0x0014, nullptr, "GetFriendMii"},
+        {0x0014, &FRD_U::GetFriendMii, "GetFriendMii"},
         {0x0015, &FRD_U::GetFriendProfile, "GetFriendProfile"},
-        {0x0016, nullptr, "GetFriendRelationship"},
+        {0x0016, &FRD_U::GetFriendRelationship, "GetFriendRelationship"},
         {0x0017, &FRD_U::GetFriendAttributeFlags, "GetFriendAttributeFlags"},
-        {0x0018, nullptr, "GetFriendPlayingGame"},
+        {0x0018, &FRD_U::GetFriendPlayingGame, "GetFriendPlayingGame"},
-        {0x0019, nullptr, "GetFriendFavoriteGame"},
+        {0x0019, &FRD_U::GetFriendFavoriteGame, "GetFriendFavoriteGame"},
-        {0x001A, nullptr, "GetFriendInfo"},
+        {0x001A, &FRD_U::GetFriendInfo, "GetFriendInfo"},
-        {0x001B, nullptr, "IsIncludedInFriendList"},
+        {0x001B, &FRD_U::IsIncludedInFriendList, "IsIncludedInFriendList"},
         {0x001C, &FRD_U::UnscrambleLocalFriendCode, "UnscrambleLocalFriendCode"},
-        {0x001D, nullptr, "UpdateGameModeDescription"},
+        {0x001D, &FRD_U::UpdateGameModeDescription, "UpdateGameModeDescription"},
-        {0x001E, nullptr, "UpdateGameMode"},
+        {0x001E, &FRD_U::UpdateGameMode, "UpdateGameMode"},
         {0x001F, nullptr, "SendInvitation"},
-        {0x0020, nullptr, "AttachToEventNotification"},
+        {0x0020, &FRD_U::AttachToEventNotification, "AttachToEventNotification"},
-        {0x0021, nullptr, "SetNotificationMask"},
+        {0x0021, &FRD_U::SetNotificationMask, "SetNotificationMask"},
-        {0x0022, nullptr, "GetEventNotification"},
+        {0x0022, &FRD_U::GetEventNotification, "GetEventNotification"},
         {0x0023, &FRD_U::GetLastResponseResult, "GetLastResponseResult"},
         {0x0024, nullptr, "PrincipalIdToFriendCode"},
         {0x0025, nullptr, "FriendCodeToPrincipalId"},
         {0x0026, nullptr, "IsValidFriendCode"},
         {0x0027, nullptr, "ResultToErrorCode"},
-        {0x0028, nullptr, "RequestGameAuthentication"},
+        {0x0028, &FRD_U::RequestGameAuthentication, "RequestGameAuthentication"},
-        {0x0029, nullptr, "GetGameAuthenticationData"},
+        {0x0029, &FRD_U::GetGameAuthenticationData, "GetGameAuthenticationData"},
-        {0x002A, nullptr, "RequestServiceLocator"},
+        {0x002A, &FRD_U::RequestServiceLocator, "RequestServiceLocator"},
-        {0x002B, nullptr, "GetServiceLocatorData"},
+        {0x002B, &FRD_U::GetServiceLocatorData, "GetServiceLocatorData"},
         {0x002C, nullptr, "DetectNatProperties"},
         {0x002D, nullptr, "GetNatProperties"},
         {0x002E, nullptr, "GetServerTimeInterval"},

src/core/hle/service/fs/fs_user.cpp

@@ -670,6 +670,27 @@ void FS_USER::GetFormatInfo(Kernel::HLERequestContext& ctx) {
     rb.Push<bool>(format_info->duplicate_data != 0);
 }
 
+void FS_USER::GetProductInfo(Kernel::HLERequestContext& ctx) {
+    IPC::RequestParser rp(ctx);
+
+    u32 process_id = rp.Pop<u32>();
+
+    LOG_DEBUG(Service_FS, "process_id={}", process_id);
+
+    IPC::RequestBuilder rb = rp.MakeBuilder(6, 0);
+
+    ProductInfo product_info;
+    if (!GetProductInfo(process_id, product_info)) {
+        rb.Push(ResultCode(FileSys::ErrCodes::ArchiveNotMounted, ErrorModule::FS,
+                           ErrorSummary::NotFound, ErrorLevel::Status));
+        rb.Skip(5, false);
+        return;
+    }
+
+    rb.Push(RESULT_SUCCESS);
+    rb.PushRaw<ProductInfo>(product_info);
+}
+
 void FS_USER::GetProgramLaunchInfo(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp(ctx);
     const auto process_id = rp.Pop<u32>();
@@ -775,7 +796,7 @@ void FS_USER::AddSeed(Kernel::HLERequestContext& ctx) {
     rb.Push(RESULT_SUCCESS);
 }
 
-void FS_USER::SetSaveDataSecureValue(Kernel::HLERequestContext& ctx) {
+void FS_USER::ObsoletedSetSaveDataSecureValue(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp(ctx);
     u64 value = rp.Pop<u64>();
     u32 secure_value_slot = rp.Pop<u32>();
@@ -794,7 +815,7 @@ void FS_USER::SetSaveDataSecureValue(Kernel::HLERequestContext& ctx) {
     rb.Push(RESULT_SUCCESS);
 }
 
-void FS_USER::GetSaveDataSecureValue(Kernel::HLERequestContext& ctx) {
+void FS_USER::ObsoletedGetSaveDataSecureValue(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp(ctx);
 
     u32 secure_value_slot = rp.Pop<u32>();
@@ -816,7 +837,85 @@ void FS_USER::GetSaveDataSecureValue(Kernel::HLERequestContext& ctx) {
     rb.Push<u64>(0);      // the secure value
 }
 
-void FS_USER::Register(u32 process_id, u64 program_id, const std::string& filepath) {
+void FS_USER::SetThisSaveDataSecureValue(Kernel::HLERequestContext& ctx) {
+    IPC::RequestParser rp(ctx);
+    u32 secure_value_slot = rp.Pop<u32>();
+    u64 value = rp.Pop<u64>();
+
+    // TODO: Generate and Save the Secure Value
+
+    LOG_WARNING(Service_FS,
+                "(STUBBED) called, value=0x{:016x} secure_value_slot=0x{:08X}",
+                value, secure_value_slot);
+
+    IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
+
+    rb.Push(RESULT_SUCCESS);
+}
+
+void FS_USER::GetThisSaveDataSecureValue(Kernel::HLERequestContext& ctx) {
+    IPC::RequestParser rp(ctx);
+
+    u32 secure_value_slot = rp.Pop<u32>();
+
+    LOG_WARNING(
+        Service_FS,
+        "(STUBBED) called secure_value_slot=0x{:08X}",
+        secure_value_slot);
+
+    IPC::RequestBuilder rb = rp.MakeBuilder(5, 0);
+
+    rb.Push(RESULT_SUCCESS);
+
+    // TODO: Implement Secure Value Lookup & Generation
+
+    rb.Push<bool>(false); // indicates that the secure value doesn't exist
+    rb.Push<bool>(false); // looks like a boolean value, purpose unknown
+    rb.Push<u64>(0);      // the secure value
+}
+
+void FS_USER::SetSaveDataSecureValue(Kernel::HLERequestContext& ctx) {
+    IPC::RequestParser rp(ctx);
+    auto archive_handle = rp.PopRaw<ArchiveHandle>();
+    u32 secure_value_slot = rp.Pop<u32>();
+    u64 value = rp.Pop<u64>();
+    bool flush = rp.Pop<bool>();
+
+    // TODO: Generate and Save the Secure Value
+
+    LOG_WARNING(Service_FS,
+                "(STUBBED) called, value=0x{:016x} secure_value_slot=0x{:04X} "
+                "archive_handle=0x{:08X} flush={}",
+                value, secure_value_slot, archive_handle, flush);
+
+    IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
+
+    rb.Push(RESULT_SUCCESS);
+}
+
+void FS_USER::GetSaveDataSecureValue(Kernel::HLERequestContext& ctx) {
+    IPC::RequestParser rp(ctx);
+
+    auto archive_handle = rp.PopRaw<ArchiveHandle>();
+    u32 secure_value_slot = rp.Pop<u32>();
+
+    LOG_WARNING(
+        Service_FS,
+        "(STUBBED) called secure_value_slot=0x{:08X} archive_handle=0x{:08X}",
+        secure_value_slot, archive_handle);
+
+    IPC::RequestBuilder rb = rp.MakeBuilder(5, 0);
+
+    rb.Push(RESULT_SUCCESS);
+
+    // TODO: Implement Secure Value Lookup & Generation
+
+    rb.Push<bool>(false); // indicates that the secure value doesn't exist
+    rb.Push<bool>(false); // looks like a boolean value, purpose unknown
+    rb.Push<u64>(0);      // the secure value
+}
+
+void FS_USER::RegisterProgramInfo(u32 process_id, u64 program_id, const std::string& filepath) {
     const MediaType media_type = GetMediaTypeFromPath(filepath);
     program_info_map.insert_or_assign(process_id, ProgramInfo{program_id, media_type});
     if (media_type == MediaType::GameCard) {
@@ -828,6 +927,20 @@ std::string FS_USER::GetCurrentGamecardPath() const {
     return current_gamecard_path;
 }
 
+void FS_USER::RegisterProductInfo(u32 process_id, const ProductInfo& product_info) {
+    product_info_map.insert_or_assign(process_id, product_info);
+}
+
+bool FS_USER::GetProductInfo(u32 process_id, ProductInfo& out_product_info) {
+    auto it = product_info_map.find(process_id);
+    if (it != product_info_map.end()) {
+        out_product_info = it->second;
+        return true;
+    } else {
+        return false;
+    }
+}
+
 ResultVal<u16> FS_USER::GetSpecialContentIndexFromGameCard(u64 title_id, SpecialContentType type) {
     // TODO(B3N30) check if on real 3DS NCSD is checked if partition exists
 
@@ -929,7 +1042,7 @@ FS_USER::FS_USER(Core::System& system)
         {0x082B, nullptr, "CardNorDirectRead_4xIO"},
         {0x082C, nullptr, "CardNorDirectCpuWriteWithoutVerify"},
         {0x082D, nullptr, "CardNorDirectSectorEraseWithoutVerify"},
-        {0x082E, nullptr, "GetProductInfo"},
+        {0x082E, &FS_USER::GetProductInfo, "GetProductInfo"},
         {0x082F, &FS_USER::GetProgramLaunchInfo, "GetProgramLaunchInfo"},
         {0x0830, &FS_USER::ObsoletedCreateExtSaveData, "Obsoleted_3_0_CreateExtSaveData"},
         {0x0831, nullptr, "CreateSharedExtSaveData"},
@@ -984,12 +1097,16 @@ FS_USER::FS_USER(Core::System& system)
         {0x0862, &FS_USER::SetPriority, "SetPriority"},
         {0x0863, &FS_USER::GetPriority, "GetPriority"},
         {0x0864, nullptr, "GetNandInfo"},
-        {0x0865, &FS_USER::SetSaveDataSecureValue, "SetSaveDataSecureValue"},
+        {0x0865, &FS_USER::ObsoletedSetSaveDataSecureValue, "SetSaveDataSecureValue"},
-        {0x0866, &FS_USER::GetSaveDataSecureValue, "GetSaveDataSecureValue"},
+        {0x0866, &FS_USER::ObsoletedGetSaveDataSecureValue, "GetSaveDataSecureValue"},
         {0x0867, nullptr, "ControlSecureSave"},
         {0x0868, nullptr, "GetMediaType"},
         {0x0869, nullptr, "GetNandEraseCount"},
         {0x086A, nullptr, "ReadNandReport"},
+        {0x086E, &FS_USER::SetThisSaveDataSecureValue, "SetThisSaveDataSecureValue" },
+        {0x086F, &FS_USER::GetThisSaveDataSecureValue, "GetThisSaveDataSecureValue" },
+        {0x0875, &FS_USER::SetSaveDataSecureValue, "SetSaveDataSecureValue" },
+        {0x0876, &FS_USER::GetSaveDataSecureValue, "GetSaveDataSecureValue" },
         {0x087A, &FS_USER::AddSeed, "AddSeed"},
         {0x087D, &FS_USER::GetNumSeeds, "GetNumSeeds"},
         {0x0886, nullptr, "CheckUpdatedDat"},

src/core/hle/service/fs/fs_user.h

@@ -4,6 +4,7 @@
 
 #pragma once
 
+#include "archive.h"
 #include <unordered_map>
 #include <boost/serialization/base_object.hpp>
 #include "common/common_types.h"
@@ -47,12 +48,22 @@ class FS_USER final : public ServiceFramework<FS_USER, ClientSlot> {
 public:
     explicit FS_USER(Core::System& system);
 
-    // On real HW this is part of FS:Reg. But since that module is only used by loader and pm, which
+    // On real HW this is part of FSReg (FSReg:Register). But since that module is only used by
-    // we HLEed, we can just directly use it here
+    // loader and pm, which we HLEed, we can just directly use it here
-    void Register(u32 process_id, u64 program_id, const std::string& filepath);
+    void RegisterProgramInfo(u32 process_id, u64 program_id, const std::string& filepath);
 
     std::string GetCurrentGamecardPath() const;
 
+    struct ProductInfo {
+        std::array<u8, 0x10> product_code;
+        u16_le maker_code;
+        u16_le remaster_version;
+    };
+
+    void RegisterProductInfo(u32 process_id, const ProductInfo& product_info);
+
+    bool GetProductInfo(u32 process_id, ProductInfo& out_product_info);
+
     /// Gets the registered program info of a process.
     ResultVal<ProgramInfo> GetProgramLaunchInfo(u32 process_id) const {
         auto info = program_info_map.find(process_id);
@@ -509,6 +520,17 @@ private:
      */
     void GetFormatInfo(Kernel::HLERequestContext& ctx);
 
+    /**
+     * FS_User::GetProductInfo service function.
+     *  Inputs:
+     *      0 : 0x082E0040
+     *      1 : Process ID
+     *  Outputs:
+     *      1 : Result of function, 0 on success, otherwise error code
+     *      2-6 : Product info
+     */
+    void GetProductInfo(Kernel::HLERequestContext& ctx);
+
     /**
      * FS_User::GetProgramLaunchInfo service function.
      *  Inputs:
@@ -600,7 +622,7 @@ private:
      *      0 : 0x08650140
      *      1 : Result of function, 0 on success, otherwise error code
      */
-    void SetSaveDataSecureValue(Kernel::HLERequestContext& ctx);
+    void ObsoletedSetSaveDataSecureValue(Kernel::HLERequestContext& ctx);
 
     /**
      * FS_User::GetSaveDataSecureValue service function.
@@ -615,6 +637,39 @@ private:
      *      2 : If Secure Value doesn't exist, 0, if it exists, 1
      *      3-4 : Secure Value
      */
+    void ObsoletedGetSaveDataSecureValue(Kernel::HLERequestContext& ctx);
+
+    void SetThisSaveDataSecureValue(Kernel::HLERequestContext& ctx);
+
+    void GetThisSaveDataSecureValue(Kernel::HLERequestContext& ctx);
+
+        /**
+     * FS_User::SetSaveDataSecureValue service function.
+     *  Inputs:
+     *      0 : 0x08750180
+     *      1-2 : Archive
+     *      3 : Secure Value Slot
+     *      4 : value
+     *      5 : flush
+     *  Outputs:
+     *      0 : header
+     *      1 : Result of function, 0 on success, otherwise error code
+     */
+    void SetSaveDataSecureValue(Kernel::HLERequestContext& ctx);
+
+    /**
+     * FS_User::GetSaveDataSecureValue service function.
+     *  Inputs:
+     *      0 : 0x087600C0
+     *      1-2 : Archive
+     *      2 : Secure Value slot
+     *  Outputs:
+     *      0 : Header
+     *      1 : Result of function, 0 on success, otherwise error code
+     *      2 : If Secure Value doesn't exist, 0, if it exists, 1
+     *      3 : unknown
+     *      4-5 : Secure Value
+     */
     void GetSaveDataSecureValue(Kernel::HLERequestContext& ctx);
 
     static ResultVal<u16> GetSpecialContentIndexFromGameCard(u64 title_id, SpecialContentType type);
@@ -624,6 +679,8 @@ private:
     std::unordered_map<u32, ProgramInfo> program_info_map;
     std::string current_gamecard_path;
 
+    std::unordered_map<u32, ProductInfo> product_info_map;
+
     u32 priority = -1; ///< For SetPriority and GetPriority service functions
 
     Core::System& system;

src/core/hle/service/http/http_c.cpp

@@ -3,11 +3,15 @@
 // Refer to the license.txt file included.
 
 #include <atomic>
+#include <tuple>
 #include <unordered_map>
+#include <boost/algorithm/string/replace.hpp>
+#include <boost/url/src.hpp>
 #include <cryptopp/aes.h>
 #include <cryptopp/modes.h>
 #include "common/archives.h"
 #include "common/assert.h"
+#include "common/string_util.h"
 #include "core/core.h"
 #include "core/file_sys/archive_ncch.h"
 #include "core/file_sys/file_backend.h"
@@ -28,6 +32,8 @@ enum {
     InvalidRequestState = 22,
     TooManyContexts = 26,
     InvalidRequestMethod = 32,
+    HeaderNotFound = 40,
+    BufferTooSmall = 43,
     ContextNotFound = 100,
 
     /// This error is returned in multiple situations: when trying to initialize an
@@ -48,6 +54,10 @@ const ResultCode ERROR_NOT_IMPLEMENTED = // 0xD960A3F4
 const ResultCode ERROR_TOO_MANY_CLIENT_CERTS = // 0xD8A0A0CB
     ResultCode(ErrCodes::TooManyClientCerts, ErrorModule::HTTP, ErrorSummary::InvalidState,
                ErrorLevel::Permanent);
+const ResultCode ERROR_HEADER_NOT_FOUND = ResultCode(
+    ErrCodes::HeaderNotFound, ErrorModule::HTTP, ErrorSummary::InvalidState, ErrorLevel::Permanent);
+const ResultCode ERROR_BUFFER_SMALL = ResultCode(ErrCodes::BufferTooSmall, ErrorModule::HTTP,
+                                                 ErrorSummary::WouldBlock, ErrorLevel::Permanent);
 const ResultCode ERROR_WRONG_CERT_ID = // 0xD8E0B839
     ResultCode(57, ErrorModule::SSL, ErrorSummary::InvalidArgument, ErrorLevel::Permanent);
 const ResultCode ERROR_WRONG_CERT_HANDLE = // 0xD8A0A0C9
@@ -55,47 +65,127 @@ const ResultCode ERROR_WRONG_CERT_HANDLE = // 0xD8A0A0C9
 const ResultCode ERROR_CERT_ALREADY_SET = // 0xD8A0A03D
     ResultCode(61, ErrorModule::HTTP, ErrorSummary::InvalidState, ErrorLevel::Permanent);
 
-static std::pair<std::string, std::string> SplitUrl(const std::string& url) {
+// Splits URL into its components. Example: https://citra-emu.org:443/index.html
+// is_https: true; host: citra-emu.org; port: 443; path: /index.html
+static URLInfo SplitUrl(const std::string& url) {
     const std::string prefix = "://";
+    constexpr int default_http_port = 80;
+    constexpr int default_https_port = 443;
+
+    std::string host;
+    int port = -1;
+    std::string path;
+
     const auto scheme_end = url.find(prefix);
     const auto prefix_end = scheme_end == std::string::npos ? 0 : scheme_end + prefix.length();
-
+    bool is_https = scheme_end != std::string::npos && url.starts_with("https");
     const auto path_index = url.find("/", prefix_end);
-    std::string host;
+
-    std::string path;
     if (path_index == std::string::npos) {
         // If no path is specified after the host, set it to "/"
-        host = url;
+        host = url.substr(prefix_end);
+        const auto port_start = host.find(":");
+        if (port_start != std::string::npos) {
+            std::string port_str = host.substr(port_start + 1);
+            host = host.substr(0, port_start);
+            char* pEnd = NULL;
+            port = std::strtol(port_str.c_str(), &pEnd, 10);
+            if (*pEnd) {
+                port = -1;
+            }
+        }
         path = "/";
     } else {
-        host = url.substr(0, path_index);
+        host = url.substr(prefix_end, path_index - prefix_end);
+        const auto port_start = host.find(":");
+        if (port_start != std::string::npos) {
+            std::string port_str = host.substr(port_start + 1);
+            host = host.substr(0, port_start);
+            char* pEnd = NULL;
+            port = std::strtol(port_str.c_str(), &pEnd, 10);
+            if (*pEnd) {
+                port = -1;
+            }
+        }
         path = url.substr(path_index);
     }
-    return std::make_pair(host, path);
+    if (port == -1) {
+        port = is_https ? default_https_port : default_http_port;
     }
+    return URLInfo{
+        .is_https = is_https,
+        .host = host,
+        .port = port,
+        .path = path,
+    };
+}
+
+static ssize_t WriteHeaders(httplib::Stream& strm,
+                            std::span<const Context::RequestHeader> headers) {
+    ssize_t write_len = 0;
+    for (const auto& x : headers) {
+        auto len = strm.write_format("%s: %s\r\n", x.name.c_str(), x.value.c_str());
+        if (len < 0) {
+            return len;
+        }
+        write_len += len;
+    }
+    auto len = strm.write("\r\n");
+    if (len < 0) {
+        return len;
+    }
+    write_len += len;
+    return write_len;
+}
+
+static size_t HandleHeaderWrite(std::vector<Context::RequestHeader>& pending_headers,
+                                httplib::Stream& strm, httplib::Headers& httplib_headers) {
+    std::vector<Context::RequestHeader> final_headers;
+    std::vector<Context::RequestHeader>::iterator it_p;
+    httplib::Headers::iterator it_h;
+
+    auto find_pending_header = [&pending_headers](const std::string& str) {
+        return std::find_if(pending_headers.begin(), pending_headers.end(),
+                            [&str](Context::RequestHeader& rh) { return rh.name == str; });
+    };
+
+    // Watch out for header ordering!!
+    // First: Host
+    it_p = find_pending_header("Host");
+    if (it_p != pending_headers.end()) {
+        final_headers.push_back(Context::RequestHeader(it_p->name, it_p->value));
+        pending_headers.erase(it_p);
+    } else {
+        it_h = httplib_headers.find("Host");
+        if (it_h != httplib_headers.end()) {
+            final_headers.push_back(Context::RequestHeader(it_h->first, it_h->second));
+        }
+    }
+
+    // Second, user defined headers
+    // Third, Content-Type (optional, appended by MakeRequest)
+    for (const auto& header : pending_headers) {
+        final_headers.push_back(header);
+    }
+
+    // Fourth: Content-Length
+    it_p = find_pending_header("Content-Length");
+    if (it_p != pending_headers.end()) {
+        final_headers.push_back(Context::RequestHeader(it_p->name, it_p->value));
+        pending_headers.erase(it_p);
+    } else {
+        it_h = httplib_headers.find("Content-Length");
+        if (it_h != httplib_headers.end()) {
+            final_headers.push_back(Context::RequestHeader(it_h->first, it_h->second));
+        }
+    }
+
+    return WriteHeaders(strm, final_headers);
+};
 
 void Context::MakeRequest() {
     ASSERT(state == RequestState::NotStarted);
 
-    const auto& [host, path] = SplitUrl(url);
-    const auto client = std::make_unique<httplib::Client>(host);
-    SSL_CTX* ctx = client->ssl_context();
-    if (ctx) {
-        if (auto client_cert = ssl_config.client_cert_ctx.lock()) {
-            SSL_CTX_use_certificate_ASN1(ctx, static_cast<int>(client_cert->certificate.size()),
-                                         client_cert->certificate.data());
-            SSL_CTX_use_PrivateKey_ASN1(EVP_PKEY_RSA, ctx, client_cert->private_key.data(),
-                                        static_cast<long>(client_cert->private_key.size()));
-        }
-
-        // TODO(B3N30): Check for SSLOptions-Bits and set the verify method accordingly
-        // https://www.3dbrew.org/wiki/SSL_Services#SSLOpt
-        // Hack: Since for now RootCerts are not implemented we set the VerifyMode to None.
-        SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE, NULL);
-    }
-
-    state = RequestState::InProgress;
-
     static const std::unordered_map<RequestMethod, std::string> request_method_strings{
         {RequestMethod::Get, "GET"},       {RequestMethod::Post, "POST"},
         {RequestMethod::Head, "HEAD"},     {RequestMethod::Put, "PUT"},
@@ -103,11 +193,13 @@ void Context::MakeRequest() {
         {RequestMethod::PutEmpty, "PUT"},
     };
 
+    URLInfo url_info = SplitUrl(url);
+
     httplib::Request request;
-    httplib::Error error;
+    std::vector<Context::RequestHeader> pending_headers;
     request.method = request_method_strings.at(method);
-    request.path = path;
+    request.path = url_info.path;
-    // TODO(B3N30): Add post data body
+
     request.progress = [this](u64 current, u64 total) -> bool {
         // TODO(B3N30): Is there a state that shows response header are available
         current_download_size_bytes = current;
@@ -116,9 +208,40 @@ void Context::MakeRequest() {
     };
 
     for (const auto& header : headers) {
-        request.headers.emplace(header.name, header.value);
+        pending_headers.push_back(header);
     }
 
+    if (!post_data.empty()) {
+        pending_headers.push_back(
+            Context::RequestHeader("Content-Type", "application/x-www-form-urlencoded"));
+        request.body = httplib::detail::params_to_query_str(post_data);
+        boost::replace_all(request.body, "*", "%2A");
+    }
+
+    if (!post_data_raw.empty()) {
+        request.body = post_data_raw;
+    }
+
+    state = RequestState::InProgress;
+
+    if (url_info.is_https) {
+        MakeRequestSSL(request, url_info, pending_headers);
+    } else {
+        MakeRequestNonSSL(request, url_info, pending_headers);
+    }
+}
+
+void Context::MakeRequestNonSSL(httplib::Request& request, const URLInfo& url_info,
+                                std::vector<Context::RequestHeader>& pending_headers) {
+    httplib::Error error{-1};
+    std::unique_ptr<httplib::Client> client =
+        std::make_unique<httplib::Client>(url_info.host, url_info.port);
+
+    client->set_header_writer(
+        [&pending_headers](httplib::Stream& strm, httplib::Headers& httplib_headers) {
+            return HandleHeaderWrite(pending_headers, strm, httplib_headers);
+        });
+
     if (!client->send(request, response, error)) {
         LOG_ERROR(Service_HTTP, "Request failed: {}: {}", error, httplib::to_string(error));
         state = RequestState::TimedOut;
@@ -128,6 +251,57 @@ void Context::MakeRequest() {
         state = RequestState::ReadyToDownloadContent;
     }
 }
+void Context::MakeRequestSSL(httplib::Request& request, const URLInfo& url_info,
+                             std::vector<Context::RequestHeader>& pending_headers) {
+    httplib::Error error{-1};
+    X509* cert = nullptr;
+    EVP_PKEY* key = nullptr;
+    {
+        std::unique_ptr<httplib::SSLClient> client;
+        if (uses_default_client_cert) {
+            const unsigned char* tmp_cert_ptr = clcert_data->certificate.data();
+            const unsigned char* tmp_key_ptr = clcert_data->private_key.data();
+            cert = d2i_X509(nullptr, &tmp_cert_ptr, (long)clcert_data->certificate.size());
+            key = d2i_PrivateKey(EVP_PKEY_RSA, nullptr, &tmp_key_ptr,
+                                 (long)clcert_data->private_key.size());
+            client = std::make_unique<httplib::SSLClient>(url_info.host, url_info.port, cert, key);
+        } else if (auto client_cert = ssl_config.client_cert_ctx.lock()) {
+            const unsigned char* tmp_cert_ptr = client_cert->certificate.data();
+            const unsigned char* tmp_key_ptr = client_cert->private_key.data();
+            cert = d2i_X509(nullptr, &tmp_cert_ptr, (long)client_cert->certificate.size());
+            key = d2i_PrivateKey(EVP_PKEY_RSA, nullptr, &tmp_key_ptr,
+                                 (long)client_cert->private_key.size());
+            client = std::make_unique<httplib::SSLClient>(url_info.host, url_info.port, cert, key);
+        } else {
+            client = std::make_unique<httplib::SSLClient>(url_info.host, url_info.port);
+        }
+
+        // TODO(B3N30): Check for SSLOptions-Bits and set the verify method accordingly
+        // https://www.3dbrew.org/wiki/SSL_Services#SSLOpt
+        // Hack: Since for now RootCerts are not implemented we set the VerifyMode to None.
+        client->enable_server_certificate_verification(false);
+
+        client->set_header_writer(
+            [&pending_headers](httplib::Stream& strm, httplib::Headers& httplib_headers) {
+                return HandleHeaderWrite(pending_headers, strm, httplib_headers);
+            });
+
+        if (!client->send(request, response, error)) {
+            LOG_ERROR(Service_HTTP, "Request failed: {}: {}", error, httplib::to_string(error));
+            state = RequestState::TimedOut;
+        } else {
+            LOG_DEBUG(Service_HTTP, "Request successful");
+            // TODO(B3N30): Verify this state on HW
+            state = RequestState::ReadyToDownloadContent;
+        }
+    }
+    if (cert) {
+        X509_free(cert);
+    }
+    if (key) {
+        EVP_PKEY_free(key);
+    }
+}
 
 void HTTP_C::Initialize(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp(ctx);
@@ -138,7 +312,7 @@ void HTTP_C::Initialize(Kernel::HLERequestContext& ctx) {
         shared_memory->SetName("HTTP_C:shared_memory");
     }
 
-    LOG_WARNING(Service_HTTP, "(STUBBED) called, shared memory size: {} pid: {}", shmem_size, pid);
+    LOG_DEBUG(Service_HTTP, "shared memory size: {} pid: {}", shmem_size, pid);
 
     auto* session_data = GetSessionData(ctx.Session());
     ASSERT(session_data);
@@ -198,14 +372,21 @@ void HTTP_C::BeginRequest(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp(ctx);
     const Context::Handle context_handle = rp.Pop<u32>();
 
-    LOG_WARNING(Service_HTTP, "(STUBBED) called, context_id={}", context_handle);
+    LOG_DEBUG(Service_HTTP, "context_id={}", context_handle);
 
     if (!PerformStateChecks(ctx, rp, context_handle)) {
         return;
     }
 
-    auto itr = contexts.find(context_handle);
+    Context& http_context = GetContext(context_handle);
-    ASSERT(itr != contexts.end());
+
+    // This should never happen in real hardware, but can happen on citra.
+    if (http_context.uses_default_client_cert && !http_context.clcert_data->init) {
+        LOG_ERROR(Service_HTTP, "failed to begin HTTP request: client cert not found.");
+        IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
+        rb.Push(ERROR_STATE_ERROR);
+        return;
+    }
 
     // On a 3DS BeginRequest and BeginRequestAsync will push the Request to a worker queue.
     // You can only enqueue 8 requests at the same time.
@@ -214,8 +395,9 @@ void HTTP_C::BeginRequest(Kernel::HLERequestContext& ctx) {
     // Then there are 3? worker threads that pop the requests from the queue and send them
     // For now make every request async in it's own thread.
 
-    itr->second.request_future =
+    http_context.request_future =
-        std::async(std::launch::async, &Context::MakeRequest, std::ref(itr->second));
+        std::async(std::launch::async, &Context::MakeRequest, std::ref(http_context));
+    http_context.current_copied_data = 0;
 
     IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
     rb.Push(RESULT_SUCCESS);
@@ -225,14 +407,21 @@ void HTTP_C::BeginRequestAsync(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp(ctx);
     const Context::Handle context_handle = rp.Pop<u32>();
 
-    LOG_WARNING(Service_HTTP, "(STUBBED) called, context_id={}", context_handle);
+    LOG_WARNING(Service_HTTP, "context_id={}", context_handle);
 
     if (!PerformStateChecks(ctx, rp, context_handle)) {
         return;
     }
 
-    auto itr = contexts.find(context_handle);
+    Context& http_context = GetContext(context_handle);
-    ASSERT(itr != contexts.end());
+
+    // This should never happen in real hardware, but can happen on citra.
+    if (http_context.uses_default_client_cert && !http_context.clcert_data->init) {
+        LOG_ERROR(Service_HTTP, "failed to begin HTTP request: client cert not found.");
+        IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
+        rb.Push(ERROR_STATE_ERROR);
+        return;
+    }
 
     // On a 3DS BeginRequest and BeginRequestAsync will push the Request to a worker queue.
     // You can only enqueue 8 requests at the same time.
@@ -241,8 +430,9 @@ void HTTP_C::BeginRequestAsync(Kernel::HLERequestContext& ctx) {
     // Then there are 3? worker threads that pop the requests from the queue and send them
     // For now make every request async in it's own thread.
 
-    itr->second.request_future =
+    http_context.request_future =
-        std::async(std::launch::async, &Context::MakeRequest, std::ref(itr->second));
+        std::async(std::launch::async, &Context::MakeRequest, std::ref(http_context));
+    http_context.current_copied_data = 0;
 
     IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
     rb.Push(RESULT_SUCCESS);
@@ -258,30 +448,91 @@ void HTTP_C::ReceiveDataTimeout(Kernel::HLERequestContext& ctx) {
 
 void HTTP_C::ReceiveDataImpl(Kernel::HLERequestContext& ctx, bool timeout) {
     IPC::RequestParser rp(ctx);
-    const Context::Handle context_handle = rp.Pop<u32>();
-    [[maybe_unused]] const u32 buffer_size = rp.Pop<u32>();
-    u64 timeout_nanos = 0;
-    if (timeout) {
-        timeout_nanos = rp.Pop<u64>();
-        LOG_WARNING(Service_HTTP, "(STUBBED) called, timeout={}", timeout_nanos);
-    } else {
-        LOG_WARNING(Service_HTTP, "(STUBBED) called");
-    }
-    [[maybe_unused]] Kernel::MappedBuffer& buffer = rp.PopMappedBuffer();
 
-    if (!PerformStateChecks(ctx, rp, context_handle)) {
+    struct AsyncData {
+        // Input
+        HTTP_C* own;
+        u64 timeout_nanos = 0;
+        bool timeout;
+        Context::Handle context_handle;
+        u32 buffer_size;
+        Kernel::MappedBuffer* buffer;
+        bool is_complete;
+        // Output
+        ResultCode async_res = RESULT_SUCCESS;
+    };
+    std::shared_ptr<AsyncData> async_data = std::make_shared<AsyncData>();
+    async_data->own = this;
+    async_data->timeout = timeout;
+
+    async_data->context_handle = rp.Pop<u32>();
+    async_data->buffer_size = rp.Pop<u32>();
+
+    if (timeout) {
+        async_data->timeout_nanos = rp.Pop<u64>();
+        LOG_DEBUG(Service_HTTP, "timeout={}", async_data->timeout_nanos);
+    } else {
+        LOG_DEBUG(Service_HTTP, "");
+    }
+    async_data->buffer = &rp.PopMappedBuffer();
+
+    if (!PerformStateChecks(ctx, rp, async_data->context_handle)) {
         return;
     }
 
-    auto itr = contexts.find(context_handle);
+    ctx.RunAsync(
-    ASSERT(itr != contexts.end());
+        [async_data](Kernel::HLERequestContext& ctx) {
+            Context& http_context = async_data->own->GetContext(async_data->context_handle);
 
-    if (timeout) {
+            if (async_data->timeout) {
-        itr->second.request_future.wait_for(std::chrono::nanoseconds(timeout_nanos));
+                auto wait_res = http_context.request_future.wait_for(
-        // TODO (flTobi): Return error on timeout
+                    std::chrono::nanoseconds(async_data->timeout_nanos));
-    } else {
+                if (wait_res == std::future_status::timeout) {
-        itr->second.request_future.wait();
+                    async_data->async_res =
+                        ResultCode(105, ErrorModule::HTTP, ErrorSummary::NothingHappened,
+                                   ErrorLevel::Permanent);
                 }
+            } else {
+                http_context.request_future.wait();
+            }
+            // Simulate small delay from HTTP receive.
+            return 1'000'000;
+        },
+        [async_data](Kernel::HLERequestContext& ctx) {
+            IPC::RequestBuilder rb(ctx, ctx.CommandID(), 1, 0);
+            if (async_data->async_res != RESULT_SUCCESS) {
+                rb.Push(async_data->async_res);
+                return;
+            }
+            Context& http_context = async_data->own->GetContext(async_data->context_handle);
+
+            size_t remaining_data =
+                http_context.response.body.size() - http_context.current_copied_data;
+
+            if (async_data->buffer_size >= remaining_data) {
+                async_data->buffer->Write(http_context.response.body.data() +
+                                              http_context.current_copied_data,
+                                          0, remaining_data);
+                http_context.current_copied_data += remaining_data;
+                rb.Push(RESULT_SUCCESS);
+            } else {
+                async_data->buffer->Write(http_context.response.body.data() +
+                                              http_context.current_copied_data,
+                                          0, async_data->buffer_size);
+                http_context.current_copied_data += async_data->buffer_size;
+                rb.Push(ERROR_BUFFER_SMALL);
+            }
+            LOG_DEBUG(Service_HTTP, "Receive: buffer_size= {}, total_copied={}, total_body={}",
+                      async_data->buffer_size, http_context.current_copied_data,
+                      http_context.response.body.size());
+        });
+}
+
+void HTTP_C::SetProxyDefault(Kernel::HLERequestContext& ctx) {
+    IPC::RequestParser rp(ctx);
+    const Context::Handle context_handle = rp.Pop<u32>();
+
+    LOG_WARNING(Service_HTTP, "(STUBBED) called, handle={}", context_handle);
 
     IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
     rb.Push(RESULT_SUCCESS);
@@ -359,7 +610,7 @@ void HTTP_C::CloseContext(Kernel::HLERequestContext& ctx) {
 
     u32 context_handle = rp.Pop<u32>();
 
-    LOG_WARNING(Service_HTTP, "(STUBBED) called, handle={}", context_handle);
+    LOG_DEBUG(Service_HTTP, "handle={}", context_handle);
 
     auto* session_data = EnsureSessionInitialized(ctx, rp);
     if (!session_data) {
@@ -389,6 +640,23 @@ void HTTP_C::CloseContext(Kernel::HLERequestContext& ctx) {
     rb.Push(RESULT_SUCCESS);
 }
 
+void HTTP_C::CancelConnection(Kernel::HLERequestContext& ctx) {
+    IPC::RequestParser rp(ctx);
+    const u32 context_handle = rp.Pop<u32>();
+
+    LOG_WARNING(Service_HTTP, "(STUBBED) called, handle={}", context_handle);
+
+    const auto* session_data = EnsureSessionInitialized(ctx, rp);
+    if (!session_data) {
+        return;
+    }
+
+    [[maybe_unused]] Context& http_context = GetContext(context_handle);
+
+    IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
+    rb.Push(RESULT_SUCCESS);
+}
+
 void HTTP_C::AddRequestHeader(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp(ctx);
     const u32 context_handle = rp.Pop<u32>();
@@ -411,10 +679,9 @@ void HTTP_C::AddRequestHeader(Kernel::HLERequestContext& ctx) {
         return;
     }
 
-    auto itr = contexts.find(context_handle);
+    Context& http_context = GetContext(context_handle);
-    ASSERT(itr != contexts.end());
 
-    if (itr->second.state != RequestState::NotStarted) {
+    if (http_context.state != RequestState::NotStarted) {
         LOG_ERROR(Service_HTTP,
                   "Tried to add a request header on a context that has already been started.");
         IPC::RequestBuilder rb = rp.MakeBuilder(1, 2);
@@ -424,12 +691,7 @@ void HTTP_C::AddRequestHeader(Kernel::HLERequestContext& ctx) {
         return;
     }
 
-    ASSERT(std::find_if(itr->second.headers.begin(), itr->second.headers.end(),
+    http_context.headers.emplace_back(name, value);
-                        [&name](const Context::RequestHeader& m) -> bool {
-                            return m.name == name;
-                        }) == itr->second.headers.end());
-
-    itr->second.headers.emplace_back(name, value);
 
     IPC::RequestBuilder rb = rp.MakeBuilder(1, 2);
     rb.Push(RESULT_SUCCESS);
@@ -458,10 +720,9 @@ void HTTP_C::AddPostDataAscii(Kernel::HLERequestContext& ctx) {
         return;
     }
 
-    auto itr = contexts.find(context_handle);
+    Context& http_context = GetContext(context_handle);
-    ASSERT(itr != contexts.end());
 
-    if (itr->second.state != RequestState::NotStarted) {
+    if (http_context.state != RequestState::NotStarted) {
         LOG_ERROR(Service_HTTP,
                   "Tried to add post data on a context that has already been started.");
         IPC::RequestBuilder rb = rp.MakeBuilder(1, 2);
@@ -471,17 +732,113 @@ void HTTP_C::AddPostDataAscii(Kernel::HLERequestContext& ctx) {
         return;
     }
 
-    ASSERT(std::find_if(itr->second.post_data.begin(), itr->second.post_data.end(),
+    http_context.post_data.emplace(name, value);
-                        [&name](const Context::PostData& m) -> bool { return m.name == name; }) ==
-           itr->second.post_data.end());
-
-    itr->second.post_data.emplace_back(name, value);
 
     IPC::RequestBuilder rb = rp.MakeBuilder(1, 2);
     rb.Push(RESULT_SUCCESS);
     rb.PushMappedBuffer(value_buffer);
 }
 
+void HTTP_C::AddPostDataRaw(Kernel::HLERequestContext& ctx) {
+    IPC::RequestParser rp(ctx);
+    const u32 context_handle = rp.Pop<u32>();
+    const u32 post_data_len = rp.Pop<u32>();
+    auto buffer = rp.PopMappedBuffer();
+
+    LOG_DEBUG(Service_HTTP, "context_handle={}, post_data_len={}", context_handle, post_data_len);
+
+    if (!PerformStateChecks(ctx, rp, context_handle)) {
+        return;
+    }
+
+    Context& http_context = GetContext(context_handle);
+
+    if (http_context.state != RequestState::NotStarted) {
+        LOG_ERROR(Service_HTTP,
+                  "Tried to add post data on a context that has already been started.");
+        IPC::RequestBuilder rb = rp.MakeBuilder(1, 2);
+        rb.Push(ResultCode(ErrCodes::InvalidRequestState, ErrorModule::HTTP,
+                           ErrorSummary::InvalidState, ErrorLevel::Permanent));
+        rb.PushMappedBuffer(buffer);
+        return;
+    }
+
+    http_context.post_data_raw.resize(buffer.GetSize());
+    buffer.Read(http_context.post_data_raw.data(), 0, buffer.GetSize());
+
+    IPC::RequestBuilder rb = rp.MakeBuilder(1, 2);
+    rb.Push(RESULT_SUCCESS);
+    rb.PushMappedBuffer(buffer);
+}
+
+void HTTP_C::GetResponseHeader(Kernel::HLERequestContext& ctx) {
+    IPC::RequestParser rp(ctx);
+
+    struct AsyncData {
+        HTTP_C* own;
+        u32 context_handle;
+        u32 name_len;
+        u32 value_max_len;
+        std::span<const u8> header_name;
+        Kernel::MappedBuffer* value_buffer;
+    };
+    std::shared_ptr<AsyncData> async_data = std::make_shared<AsyncData>();
+
+    async_data->own = this;
+    async_data->context_handle = rp.Pop<u32>();
+    async_data->name_len = rp.Pop<u32>();
+    async_data->value_max_len = rp.Pop<u32>();
+    async_data->header_name = rp.PopStaticBuffer();
+    async_data->value_buffer = &rp.PopMappedBuffer();
+
+    if (!PerformStateChecks(ctx, rp, async_data->context_handle)) {
+        return;
+    }
+
+    ctx.RunAsync(
+        [async_data](Kernel::HLERequestContext& ctx) {
+            Context& http_context = async_data->own->GetContext(async_data->context_handle);
+            http_context.request_future.wait();
+            return 0;
+        },
+        [async_data](Kernel::HLERequestContext& ctx) {
+            std::string header_name_str(
+                reinterpret_cast<const char*>(async_data->header_name.data()),
+                async_data->name_len);
+            Common::TruncateString(header_name_str);
+
+            Context& http_context = async_data->own->GetContext(async_data->context_handle);
+
+            auto& headers = http_context.response.headers;
+            u32 copied_size = 0;
+
+            LOG_DEBUG(Service_HTTP, "header={}, max_len={}", header_name_str,
+                      async_data->value_buffer->GetSize());
+
+            auto header = headers.find(header_name_str);
+            if (header != headers.end()) {
+                std::string header_value = header->second;
+                copied_size = (u32)header_value.size();
+                if (header_value.size() + 1 > async_data->value_buffer->GetSize()) {
+                    header_value.resize(async_data->value_buffer->GetSize() - 1);
+                }
+                header_value.push_back('\0');
+                async_data->value_buffer->Write(header_value.data(), 0, header_value.size());
+            } else {
+                LOG_DEBUG(Service_HTTP, "header={} not found", header_name_str);
+                IPC::RequestBuilder rb(ctx, ctx.CommandID(), 1, 2);
+                rb.Push(ERROR_HEADER_NOT_FOUND);
+                rb.PushMappedBuffer(*async_data->value_buffer);
+                return;
+            }
+
+            IPC::RequestBuilder rb(ctx, ctx.CommandID(), 2, 2);
+            rb.Push(RESULT_SUCCESS);
+            rb.Push(copied_size);
+            rb.PushMappedBuffer(*async_data->value_buffer);
+        });
+}
+
 void HTTP_C::GetResponseStatusCode(Kernel::HLERequestContext& ctx) {
     GetResponseStatusCodeImpl(ctx, false);
 }
@@ -492,34 +849,118 @@ void HTTP_C::GetResponseStatusCodeTimeout(Kernel::HLERequestContext& ctx) {
 
 void HTTP_C::GetResponseStatusCodeImpl(Kernel::HLERequestContext& ctx, bool timeout) {
     IPC::RequestParser rp(ctx);
-    const Context::Handle context_handle = rp.Pop<u32>();
+
+    struct AsyncData {
+        // Input
+        HTTP_C* own;
+        Context::Handle context_handle;
+        bool timeout;
         u64 timeout_nanos = 0;
+        // Output
+        ResultCode async_res = RESULT_SUCCESS;
+    };
+    std::shared_ptr<AsyncData> async_data = std::make_shared<AsyncData>();
+
+    async_data->own = this;
+    async_data->context_handle = rp.Pop<u32>();
+    async_data->timeout = timeout;
+
     if (timeout) {
-        timeout_nanos = rp.Pop<u64>();
+        async_data->timeout_nanos = rp.Pop<u64>();
-        LOG_INFO(Service_HTTP, "called, timeout={}", timeout_nanos);
+        LOG_INFO(Service_HTTP, "called, timeout={}", async_data->timeout_nanos);
     } else {
         LOG_INFO(Service_HTTP, "called");
     }
 
+    if (!PerformStateChecks(ctx, rp, async_data->context_handle)) {
+        return;
+    }
+
+    ctx.RunAsync(
+        [async_data](Kernel::HLERequestContext& ctx) {
+            Context& http_context = async_data->own->GetContext(async_data->context_handle);
+
+            if (async_data->timeout) {
+                auto wait_res = http_context.request_future.wait_for(
+                    std::chrono::nanoseconds(async_data->timeout_nanos));
+                if (wait_res == std::future_status::timeout) {
+                    LOG_DEBUG(Service_HTTP, "Status code: {}", "timeout");
+                    async_data->async_res =
+                        ResultCode(105, ErrorModule::HTTP, ErrorSummary::NothingHappened,
+                                   ErrorLevel::Permanent);
+                }
+            } else {
+                http_context.request_future.wait();
+            }
+            return 0;
+        },
+        [async_data](Kernel::HLERequestContext& ctx) {
+            if (async_data->async_res != RESULT_SUCCESS) {
+                IPC::RequestBuilder rb(ctx, ctx.CommandID(), 1, 0);
+                rb.Push(async_data->async_res);
+                return;
+            }
+
+            Context& http_context = async_data->own->GetContext(async_data->context_handle);
+
+            const u32 response_code = http_context.response.status;
+            LOG_DEBUG(Service_HTTP, "Status code: {}, response_code={}", "good", response_code);
+
+            IPC::RequestBuilder rb(ctx, ctx.CommandID(), 2, 0);
+            rb.Push(RESULT_SUCCESS);
+            rb.Push(response_code);
+        });
+}
+
+void HTTP_C::AddTrustedRootCA(Kernel::HLERequestContext& ctx) {
+    IPC::RequestParser rp(ctx);
+    const Context::Handle context_handle = rp.Pop<u32>();
+    [[maybe_unused]] const u32 root_ca_len = rp.Pop<u32>();
+    auto root_ca_data = rp.PopMappedBuffer();
+
+    LOG_WARNING(Service_HTTP, "(STUBBED) called, handle={}", context_handle);
+
+    IPC::RequestBuilder rb = rp.MakeBuilder(1, 2);
+    rb.Push(RESULT_SUCCESS);
+    rb.PushMappedBuffer(root_ca_data);
+}
+
+void HTTP_C::AddDefaultCert(Kernel::HLERequestContext& ctx) {
+    IPC::RequestParser rp(ctx);
+    const Context::Handle context_handle = rp.Pop<u32>();
+    const u32 certificate_id = rp.Pop<u32>();
+
+    LOG_WARNING(Service_HTTP, "(STUBBED) called, handle={}, certificate_id={}", context_handle,
+                certificate_id);
+
+    IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
+    rb.Push(RESULT_SUCCESS);
+}
+
+void HTTP_C::SetDefaultClientCert(Kernel::HLERequestContext& ctx) {
+    IPC::RequestParser rp(ctx);
+    const Context::Handle context_handle = rp.Pop<u32>();
+    const ClientCertID client_cert_id = static_cast<ClientCertID>(rp.Pop<u32>());
+
+    LOG_DEBUG(Service_HTTP, "client_cert_id={}", client_cert_id);
+
     if (!PerformStateChecks(ctx, rp, context_handle)) {
         return;
     }
 
-    auto itr = contexts.find(context_handle);
+    Context& http_context = GetContext(context_handle);
-    ASSERT(itr != contexts.end());
 
-    if (timeout) {
+    if (client_cert_id != ClientCertID::Default) {
-        itr->second.request_future.wait_for(std::chrono::nanoseconds(timeout));
+        IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
-        // TODO (flTobi): Return error on timeout
+        rb.Push(ERROR_WRONG_CERT_ID);
-    } else {
+        return;
-        itr->second.request_future.wait();
     }
 
-    const u32 response_code = itr->second.response.status;
+    http_context.uses_default_client_cert = true;
+    http_context.clcert_data = &GetClCertA();
 
-    IPC::RequestBuilder rb = rp.MakeBuilder(2, 0);
+    IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
     rb.Push(RESULT_SUCCESS);
-    rb.Push(response_code);
 }
 
 void HTTP_C::SetClientCertContext(Kernel::HLERequestContext& ctx) {
@@ -534,8 +975,7 @@ void HTTP_C::SetClientCertContext(Kernel::HLERequestContext& ctx) {
         return;
     }
 
-    auto http_context_itr = contexts.find(context_handle);
+    Context& http_context = GetContext(context_handle);
-    ASSERT(http_context_itr != contexts.end());
 
     auto cert_context_itr = client_certs.find(client_cert_handle);
     if (cert_context_itr == client_certs.end()) {
@@ -545,7 +985,7 @@ void HTTP_C::SetClientCertContext(Kernel::HLERequestContext& ctx) {
         return;
     }
 
-    if (http_context_itr->second.ssl_config.client_cert_ctx.lock()) {
+    if (http_context.ssl_config.client_cert_ctx.lock()) {
         LOG_ERROR(Service_HTTP,
                   "Tried to set a client cert to a context that already has a client cert");
         IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
@@ -553,7 +993,7 @@ void HTTP_C::SetClientCertContext(Kernel::HLERequestContext& ctx) {
         return;
     }
 
-    if (http_context_itr->second.state != RequestState::NotStarted) {
+    if (http_context.state != RequestState::NotStarted) {
         LOG_ERROR(Service_HTTP,
                   "Tried to set a client cert on a context that has already been started.");
         IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
@@ -562,7 +1002,7 @@ void HTTP_C::SetClientCertContext(Kernel::HLERequestContext& ctx) {
         return;
     }
 
-    http_context_itr->second.ssl_config.client_cert_ctx = cert_context_itr->second;
+    http_context.ssl_config.client_cert_ctx = cert_context_itr->second;
     IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
     rb.Push(RESULT_SUCCESS);
 }
@@ -574,8 +1014,7 @@ void HTTP_C::GetSSLError(Kernel::HLERequestContext& ctx) {
 
     LOG_WARNING(Service_HTTP, "(STUBBED) called, context_handle={}, unk={}", context_handle, unk);
 
-    auto http_context_itr = contexts.find(context_handle);
+    [[maybe_unused]] Context& http_context = GetContext(context_handle);
-    ASSERT(http_context_itr != contexts.end());
 
     IPC::RequestBuilder rb = rp.MakeBuilder(2, 0);
     rb.Push(RESULT_SUCCESS);
@@ -584,6 +1023,17 @@ void HTTP_C::GetSSLError(Kernel::HLERequestContext& ctx) {
     rb.Push<u32>(0);
 }
 
+void HTTP_C::SetSSLOpt(Kernel::HLERequestContext& ctx) {
+    IPC::RequestParser rp(ctx);
+    const u32 context_handle = rp.Pop<u32>();
+    const u32 opts = rp.Pop<u32>();
+
+    LOG_WARNING(Service_HTTP, "(STUBBED) called, context_handle={}, opts={}", context_handle, opts);
+
+    IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
+    rb.Push(RESULT_SUCCESS);
+}
+
 void HTTP_C::OpenClientCertContext(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp(ctx);
     u32 cert_size = rp.Pop<u32>();
@@ -650,7 +1100,7 @@ void HTTP_C::OpenDefaultClientCertContext(Kernel::HLERequestContext& ctx) {
         return;
     }
 
-    constexpr u8 default_cert_id = 0x40;
+    constexpr u8 default_cert_id = static_cast<u8>(ClientCertID::Default);
     if (cert_id != default_cert_id) {
         LOG_ERROR(Service_HTTP, "called with invalid cert_id {}", cert_id);
         IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
@@ -724,6 +1174,17 @@ void HTTP_C::CloseClientCertContext(Kernel::HLERequestContext& ctx) {
     rb.Push(RESULT_SUCCESS);
 }
 
+void HTTP_C::SetKeepAlive(Kernel::HLERequestContext& ctx) {
+    IPC::RequestParser rp(ctx);
+    const u32 context_handle = rp.Pop<u32>();
+    const u32 option = rp.Pop<u32>();
+
+    LOG_WARNING(Service_HTTP, "(STUBBED) called, handle={}, option={}", context_handle, option);
+
+    IPC::RequestBuilder rb = rp.MakeBuilder(1, 0);
+    rb.Push(RESULT_SUCCESS);
+}
+
 void HTTP_C::Finalize(Kernel::HLERequestContext& ctx) {
     IPC::RequestParser rp(ctx);
 
@@ -746,26 +1207,27 @@ void HTTP_C::GetDownloadSizeState(Kernel::HLERequestContext& ctx) {
         return;
     }
 
-    auto itr = contexts.find(context_handle);
+    Context& http_context = GetContext(context_handle);
-    ASSERT(itr != contexts.end());
 
     // On the real console, the current downloaded progress and the total size of the content gets
     // returned. Since we do not support chunked downloads on the host, always return the content
     // length if the download is complete and 0 otherwise.
     u32 content_length = 0;
-    const bool is_complete = itr->second.request_future.wait_for(std::chrono::milliseconds(0)) ==
+    const bool is_complete = http_context.request_future.wait_for(std::chrono::milliseconds(0)) ==
                              std::future_status::ready;
     if (is_complete) {
-        const auto& headers = itr->second.response.headers;
+        const auto& headers = http_context.response.headers;
         const auto& it = headers.find("Content-Length");
         if (it != headers.end()) {
             content_length = std::stoi(it->second);
         }
     }
 
+    LOG_DEBUG(Service_HTTP, "current={}, total={}", http_context.current_copied_data,
+              content_length);
     IPC::RequestBuilder rb = rp.MakeBuilder(3, 0);
     rb.Push(RESULT_SUCCESS);
-    rb.Push(content_length);
+    rb.Push(static_cast<u32>(http_context.current_copied_data));
     rb.Push(content_length);
 }
 
@@ -895,7 +1357,7 @@ HTTP_C::HTTP_C() : ServiceFramework("http:C", 32) {
         {0x0001, &HTTP_C::Initialize, "Initialize"},
         {0x0002, &HTTP_C::CreateContext, "CreateContext"},
         {0x0003, &HTTP_C::CloseContext, "CloseContext"},
-        {0x0004, nullptr, "CancelConnection"},
+        {0x0004, &HTTP_C::CancelConnection, "CancelConnection"},
         {0x0005, nullptr, "GetRequestState"},
         {0x0006, &HTTP_C::GetDownloadSizeState, "GetDownloadSizeState"},
         {0x0007, nullptr, "GetRequestError"},
@@ -905,13 +1367,13 @@ HTTP_C::HTTP_C() : ServiceFramework("http:C", 32) {
         {0x000B, &HTTP_C::ReceiveData, "ReceiveData"},
         {0x000C, &HTTP_C::ReceiveDataTimeout, "ReceiveDataTimeout"},
         {0x000D, nullptr, "SetProxy"},
-        {0x000E, nullptr, "SetProxyDefault"},
+        {0x000E, &HTTP_C::SetProxyDefault, "SetProxyDefault"},
         {0x000F, nullptr, "SetBasicAuthorization"},
         {0x0010, nullptr, "SetSocketBufferSize"},
         {0x0011, &HTTP_C::AddRequestHeader, "AddRequestHeader"},
         {0x0012, &HTTP_C::AddPostDataAscii, "AddPostDataAscii"},
         {0x0013, nullptr, "AddPostDataBinary"},
-        {0x0014, nullptr, "AddPostDataRaw"},
+        {0x0014, &HTTP_C::AddPostDataRaw, "AddPostDataRaw"},
         {0x0015, nullptr, "SetPostDataType"},
         {0x0016, nullptr, "SendPostDataAscii"},
         {0x0017, nullptr, "SendPostDataAsciiTimeout"},
@@ -921,19 +1383,20 @@ HTTP_C::HTTP_C() : ServiceFramework("http:C", 32) {
         {0x001B, nullptr, "SendPOSTDataRawTimeout"},
         {0x001C, nullptr, "SetPostDataEncoding"},
         {0x001D, nullptr, "NotifyFinishSendPostData"},
-        {0x001E, nullptr, "GetResponseHeader"},
+        {0x001E, &HTTP_C::GetResponseHeader, "GetResponseHeader"},
         {0x001F, nullptr, "GetResponseHeaderTimeout"},
         {0x0020, nullptr, "GetResponseData"},
         {0x0021, nullptr, "GetResponseDataTimeout"},
         {0x0022, &HTTP_C::GetResponseStatusCode, "GetResponseStatusCode"},
         {0x0023, &HTTP_C::GetResponseStatusCodeTimeout, "GetResponseStatusCodeTimeout"},
-        {0x0024, nullptr, "AddTrustedRootCA"},
+        {0x0024, &HTTP_C::AddTrustedRootCA, "AddTrustedRootCA"},
-        {0x0025, nullptr, "AddDefaultCert"},
+        {0x0025, &HTTP_C::AddDefaultCert, "AddDefaultCert"},
         {0x0026, nullptr, "SelectRootCertChain"},
         {0x0027, nullptr, "SetClientCert"},
+        {0x0028, &HTTP_C::SetDefaultClientCert, "SetDefaultClientCert"},
         {0x0029, &HTTP_C::SetClientCertContext, "SetClientCertContext"},
         {0x002A, &HTTP_C::GetSSLError, "GetSSLError"},
-        {0x002B, nullptr, "SetSSLOpt"},
+        {0x002B, &HTTP_C::SetSSLOpt, "SetSSLOpt"},
         {0x002C, nullptr, "SetSSLClearOpt"},
         {0x002D, nullptr, "CreateRootCertChain"},
         {0x002E, nullptr, "DestroyRootCertChain"},
@@ -945,7 +1408,7 @@ HTTP_C::HTTP_C() : ServiceFramework("http:C", 32) {
         {0x0034, &HTTP_C::CloseClientCertContext, "CloseClientCertContext"},
         {0x0035, nullptr, "SetDefaultProxy"},
         {0x0036, nullptr, "ClearDNSCache"},
-        {0x0037, nullptr, "SetKeepAlive"},
+        {0x0037, &HTTP_C::SetKeepAlive, "SetKeepAlive"},
         {0x0038, nullptr, "SetPostDataTypeSize"},
         {0x0039, &HTTP_C::Finalize, "Finalize"},
         // clang-format on
@@ -955,6 +1418,10 @@ HTTP_C::HTTP_C() : ServiceFramework("http:C", 32) {
     DecryptClCertA();
 }
 
+std::shared_ptr<HTTP_C> GetService(Core::System& system) {
+    return system.ServiceManager().GetService<HTTP_C>("http:C");
+}
+
 void InstallInterfaces(Core::System& system) {
     auto& service_manager = system.ServiceManager();
     std::make_shared<HTTP_C>()->InstallAsService(service_manager);

src/core/hle/service/http/http_c.h

@@ -21,6 +21,7 @@
 #include <ifaddrs.h>
 #endif
 #include <httplib.h>
+#include "core/hle/ipc_helpers.h"
 #include "core/hle/kernel/shared_memory.h"
 #include "core/hle/service/service.h"
 
@@ -56,6 +57,17 @@ enum class RequestState : u8 {
     TimedOut = 0xA,               // Request timed out?
 };
 
+enum class ClientCertID : u32 {
+    Default = 0x40, // Default client cert
+};
+
+struct URLInfo {
+    bool is_https;
+    std::string host;
+    int port;
+    std::string path;
+};
+
 /// Represents a client certificate along with its private key, stored as a byte array of DER data.
 /// There can only be at most one client certificate context attached to an HTTP context at any
 /// given time.
@@ -114,6 +126,12 @@ private:
     friend class boost::serialization::access;
 };
 
+struct ClCertAData {
+    std::vector<u8> certificate;
+    std::vector<u8> private_key;
+    bool init = false;
+};
+
 /// Represents an HTTP context.
 class Context final {
 public:
@@ -123,8 +141,6 @@ public:
     Context(const Context&) = delete;
     Context& operator=(const Context&) = delete;
 
-    void MakeRequest();
-
     struct Proxy {
         std::string url;
         std::string username;
@@ -169,22 +185,6 @@ public:
         friend class boost::serialization::access;
     };
 
-    struct PostData {
-        // TODO(Subv): Support Binary and Raw POST elements.
-        PostData(std::string name, std::string value) : name(name), value(value){};
-        PostData() = default;
-        std::string name;
-        std::string value;
-
-    private:
-        template <class Archive>
-        void serialize(Archive& ar, const unsigned int) {
-            ar& name;
-            ar& value;
-        }
-        friend class boost::serialization::access;
-    };
-
     struct SSLConfig {
         u32 options;
         std::weak_ptr<ClientCertContext> client_cert_ctx;
@@ -210,12 +210,22 @@ public:
     SSLConfig ssl_config{};
     u32 socket_buffer_size;
     std::vector<RequestHeader> headers;
-    std::vector<PostData> post_data;
+    const ClCertAData* clcert_data;
+    httplib::Params post_data;
+    std::string post_data_raw;
 
     std::future<void> request_future;
     std::atomic<u64> current_download_size_bytes;
     std::atomic<u64> total_download_size_bytes;
+    size_t current_copied_data;
+    bool uses_default_client_cert{};
     httplib::Response response;
+
+    void MakeRequest();
+    void MakeRequestNonSSL(httplib::Request& request, const URLInfo& url_info,
+                           std::vector<Context::RequestHeader>& pending_headers);
+    void MakeRequestSSL(httplib::Request& request, const URLInfo& url_info,
+                        std::vector<Context::RequestHeader>& pending_headers);
 };
 
 struct SessionData : public Kernel::SessionRequestHandler::SessionDataBase {
@@ -252,6 +262,10 @@ class HTTP_C final : public ServiceFramework<HTTP_C, SessionData> {
 public:
     HTTP_C();
 
+    const ClCertAData& GetClCertA() const {
+        return ClCertA;
+    }
+
 private:
     /**
      * HTTP_C::Initialize service function
@@ -288,6 +302,15 @@ private:
      */
     void CloseContext(Kernel::HLERequestContext& ctx);
 
+    /**
+     * HTTP_C::CancelConnection service function
+     *  Inputs:
+     *      1 : Context handle
+     *  Outputs:
+     *      1 : Result of function, 0 on success, otherwise error code
+     */
+    void CancelConnection(Kernel::HLERequestContext& ctx);
+
     /**
      * HTTP_C::GetDownloadSizeState service function
      *  Inputs:
@@ -328,6 +351,15 @@ private:
      */
     void BeginRequestAsync(Kernel::HLERequestContext& ctx);
 
+    /**
+     * HTTP_C::SetProxyDefault service function
+     *  Inputs:
+     *      1 : Context handle
+     *  Outputs:
+     *      1 : Result of function, 0 on success, otherwise error code
+     */
+    void SetProxyDefault(Kernel::HLERequestContext& ctx);
+
     /**
      * HTTP_C::ReceiveData service function
      *  Inputs:
@@ -389,6 +421,33 @@ private:
      */
     void AddPostDataAscii(Kernel::HLERequestContext& ctx);
 
+    /**
+     * HTTP_C::AddPostDataRaw service function
+     *  Inputs:
+     *      1 : Context handle
+     *      2 : Post data length
+     *      3-4: (Mapped buffer) Post data
+     *  Outputs:
+     *      1 : Result of function, 0 on success, otherwise error code
+     *      2-3: (Mapped buffer) Post data
+     */
+    void AddPostDataRaw(Kernel::HLERequestContext& ctx);
+
+    /**
+     * HTTP_C::GetResponseHeader service function
+     *  Inputs:
+     *      1 : Context handle
+     *      2 : Header name length
+     *      3 : Return value length
+     *      4-5 : (Static buffer) Header name
+     *      6-7 : (Mapped buffer) Header value
+     *  Outputs:
+     *      1 : Result of function, 0 on success, otherwise error code
+     *      2 : Header value copied size
+     *      3-4: (Mapped buffer) Header value
+     */
+    void GetResponseHeader(Kernel::HLERequestContext& ctx);
+
     /**
      * HTTP_C::GetResponseStatusCode service function
      *  Inputs:
@@ -410,12 +469,44 @@ private:
      */
     void GetResponseStatusCodeTimeout(Kernel::HLERequestContext& ctx);
 
+    /**
+     * HTTP_C::AddTrustedRootCA service function
+     *  Inputs:
+     *      1 : Context handle
+     *      2 : CA data length
+     *      3-4: (Mapped buffer) CA data
+     *  Outputs:
+     *      1 : Result of function, 0 on success, otherwise error code
+     *      2-3: (Mapped buffer) CA data
+     */
+    void AddTrustedRootCA(Kernel::HLERequestContext& ctx);
+
+    /**
+     * HTTP_C::AddDefaultCert service function
+     *  Inputs:
+     *      1 : Context handle
+     *      2 : Cert ID
+     *  Outputs:
+     *      1 : Result of function, 0 on success, otherwise error code
+     */
+    void AddDefaultCert(Kernel::HLERequestContext& ctx);
+
     /**
      * GetResponseStatusCodeImpl:
      *  Implements GetResponseStatusCode and GetResponseStatusCodeTimeout service functions
      */
     void GetResponseStatusCodeImpl(Kernel::HLERequestContext& ctx, bool timeout);
 
+    /**
+     * HTTP_C::SetDefaultClientCert service function
+     *  Inputs:
+     *      1 : Context handle
+     *      2 : Client cert ID
+     *  Outputs:
+     *      1 : Result of function, 0 on success, otherwise error code
+     */
+    void SetDefaultClientCert(Kernel::HLERequestContext& ctx);
+
     /**
      * HTTP_C::SetClientCertContext service function
      *  Inputs:
@@ -437,6 +528,16 @@ private:
      */
     void GetSSLError(Kernel::HLERequestContext& ctx);
 
+    /**
+     * HTTP_C::SetSSLOpt service function
+     *  Inputs:
+     *      1 : Context handle
+     *      2 : SSL Option
+     *  Outputs:
+     *      1 : Result of function, 0 on success, otherwise error code
+     */
+    void SetSSLOpt(Kernel::HLERequestContext& ctx);
+
     /**
      * HTTP_C::OpenClientCertContext service function
      *  Inputs:
@@ -470,6 +571,16 @@ private:
      */
     void CloseClientCertContext(Kernel::HLERequestContext& ctx);
 
+    /**
+     * HTTP_C::SetKeepAlive service function
+     *  Inputs:
+     *      1 : Context handle
+     *      2 : Keep Alive Option
+     *  Outputs:
+     *      1 : Result of function, 0 on success, otherwise error code
+     */
+    void SetKeepAlive(Kernel::HLERequestContext& ctx);
+
     /**
      * HTTP_C::Finalize service function
      *  Outputs:
@@ -499,14 +610,17 @@ private:
     /// Global list of HTTP contexts currently opened.
     std::unordered_map<Context::Handle, Context> contexts;
 
+    // Get context from its handle
+    inline Context& GetContext(const Context::Handle& handle) {
+        auto it = contexts.find(handle);
+        ASSERT(it != contexts.end());
+        return it->second;
+    }
+
     /// Global list of  ClientCert contexts currently opened.
     std::unordered_map<ClientCertContext::Handle, std::shared_ptr<ClientCertContext>> client_certs;
 
-    struct {
+    ClCertAData ClCertA;
-        std::vector<u8> certificate;
-        std::vector<u8> private_key;
-        bool init = false;
-    } ClCertA;
 
 private:
     template <class Archive>
@@ -527,6 +641,8 @@ private:
     friend class boost::serialization::access;
 };
 
+std::shared_ptr<HTTP_C> GetService(Core::System& system);
+
 void InstallInterfaces(Core::System& system);
 
 } // namespace Service::HTTP

src/core/hle/service/soc/soc_u.cpp

@@ -1093,59 +1093,89 @@ void SOC_U::RecvFromOther(Kernel::HLERequestContext& ctx) {
 #endif // _WIN32
     u32 addr_len = rp.Pop<u32>();
     rp.PopPID();
-    auto& buffer = rp.PopMappedBuffer();
 
-    CTRSockAddr ctr_src_addr;
+    bool needs_parallel = GetSocketBlocking(fd_info->second) && !dont_wait;
-    std::vector<u8> output_buff(len);
+    struct ParallelData {
-    std::vector<u8> addr_buff(addr_len);
+        SOC_U* own{};
+        Kernel::MappedBuffer buffer;
+        s32 ret{};
+        u32 len{};
+        u32 flags{};
+        u32 addr_len{};
+        std::vector<u8> output_buff;
+        std::vector<u8> addr_buff;
+        SocketHolder& fd_info;
+#ifdef _WIN32
+        bool dont_wait;
+#endif
+        bool was_blocking;
+        int recv_error;
+        ParallelData(const Kernel::MappedBuffer& buf, SocketHolder& fd)
+            : buffer(buf), fd_info(fd) {}
+    };
+
+    auto parallel_data = std::make_shared<ParallelData>(rp.PopMappedBuffer(), fd_info->second);
+    parallel_data->own = this;
+    parallel_data->ret = -1;
+    parallel_data->len = len;
+    parallel_data->flags = flags;
+    parallel_data->addr_len = addr_len;
+    parallel_data->output_buff.resize(len);
+    parallel_data->addr_buff.resize(addr_len);
+    parallel_data->was_blocking = was_blocking;
+#ifdef _WIN32
+    parallel_data->dont_wait = dont_wait;
+#endif
+
+    ctx.RunAsync(
+        [parallel_data](Kernel::HLERequestContext& ctx) {
             sockaddr src_addr;
             socklen_t src_addr_len = sizeof(src_addr);
-
+            CTRSockAddr ctr_src_addr;
-    s32 ret = -1;
+            if (parallel_data->addr_len > 0) {
-    if (GetSocketBlocking(fd_info->second) && !dont_wait) {
+                parallel_data->ret = static_cast<s32>(
-        PreTimerAdjust();
+                    ::recvfrom(parallel_data->fd_info.socket_fd,
-    }
+                               reinterpret_cast<char*>(parallel_data->output_buff.data()),
-
+                               parallel_data->len, parallel_data->flags, &src_addr, &src_addr_len));
-    if (addr_len > 0) {
+                if (parallel_data->ret >= 0 && src_addr_len > 0) {
-        ret = static_cast<s32>(::recvfrom(fd_info->second.socket_fd,
-                                          reinterpret_cast<char*>(output_buff.data()), len, flags,
-                                          &src_addr, &src_addr_len));
-        if (ret >= 0 && src_addr_len > 0) {
                     ctr_src_addr = CTRSockAddr::FromPlatform(src_addr);
-            std::memcpy(addr_buff.data(), &ctr_src_addr, addr_len);
+                    std::memcpy(parallel_data->addr_buff.data(), &ctr_src_addr,
+                                parallel_data->addr_len);
                 }
             } else {
-        ret = static_cast<s32>(::recvfrom(fd_info->second.socket_fd,
+                parallel_data->ret = static_cast<s32>(
-                                          reinterpret_cast<char*>(output_buff.data()), len, flags,
+                    ::recvfrom(parallel_data->fd_info.socket_fd,
-                                          NULL, 0));
+                               reinterpret_cast<char*>(parallel_data->output_buff.data()),
-        addr_buff.resize(0);
+                               parallel_data->len, parallel_data->flags, NULL, 0));
+                parallel_data->addr_buff.resize(0);
             }
-    int recv_error = (ret == SOCKET_ERROR_VALUE) ? GET_ERRNO : 0;
+            parallel_data->recv_error = (parallel_data->ret == SOCKET_ERROR_VALUE) ? GET_ERRNO : 0;
-    if (GetSocketBlocking(fd_info->second) && !dont_wait) {
+            return 0;
-        PostTimerAdjust(ctx, "RecvFromOther");
+        },
+        [parallel_data](Kernel::HLERequestContext& ctx) {
+            if (parallel_data->ret == SOCKET_ERROR_VALUE) {
+                parallel_data->ret = TranslateError(parallel_data->recv_error);
+            } else {
+                parallel_data->buffer.Write(parallel_data->output_buff.data(), 0,
+                                            parallel_data->ret);
             }
+
 #ifdef _WIN32
-    if (dont_wait && was_blocking) {
+            if (parallel_data->dont_wait && parallel_data->was_blocking) {
-        SetSocketBlocking(fd_info->second, true);
+                parallel_data->own->SetSocketBlocking(parallel_data->fd_info, true);
             }
 #endif
-    if (ret == SOCKET_ERROR_VALUE) {
-        ret = TranslateError(recv_error);
-    } else {
-        buffer.Write(output_buff.data(), 0, ret);
-    }
 
-    IPC::RequestBuilder rb = rp.MakeBuilder(2, 4);
+            IPC::RequestBuilder rb(ctx, 0x07, 2, 4);
             rb.Push(RESULT_SUCCESS);
-    rb.Push(ret);
+            rb.Push(parallel_data->ret);
-    rb.PushStaticBuffer(std::move(addr_buff), 0);
+            rb.PushStaticBuffer(std::move(parallel_data->addr_buff), 0);
-    rb.PushMappedBuffer(buffer);
+            rb.PushMappedBuffer(parallel_data->buffer);
+        },
+        needs_parallel);
 }
 
 void SOC_U::RecvFrom(Kernel::HLERequestContext& ctx) {
-    // TODO(Subv): Calling this function on a blocking socket will block the emu thread,
-    // preventing graceful shutdown when closing the emulator, this can be fixed by always
-    // performing nonblocking operations and spinlock until the data is available
     IPC::RequestParser rp(ctx);
     u32 socket_handle = rp.Pop<u32>();
     auto fd_info = open_sockets.find(socket_handle);
@@ -1172,55 +1202,86 @@ void SOC_U::RecvFrom(Kernel::HLERequestContext& ctx) {
     u32 addr_len = rp.Pop<u32>();
     rp.PopPID();
 
-    CTRSockAddr ctr_src_addr;
+    bool needs_parallel = GetSocketBlocking(fd_info->second) && !dont_wait;
-    std::vector<u8> output_buff(len);
+    struct ParallelData {
-    std::vector<u8> addr_buff(addr_len);
+        SOC_U* own;
+        s32 ret{};
+        u32 len{};
+        u32 flags{};
+        u32 addr_len{};
+        std::vector<u8> output_buff;
+        std::vector<u8> addr_buff;
+        SocketHolder& fd_info;
+#ifdef _WIN32
+        bool dont_wait;
+#endif
+        bool was_blocking;
+        int recv_error;
+        ParallelData(SocketHolder& fd) : fd_info(fd) {}
+    };
+
+    auto parallel_data = std::make_shared<ParallelData>(fd_info->second);
+    parallel_data->own = this;
+    parallel_data->ret = -1;
+    parallel_data->len = len;
+    parallel_data->flags = flags;
+    parallel_data->addr_len = addr_len;
+    parallel_data->output_buff.resize(len);
+    parallel_data->addr_buff.resize(addr_len);
+    parallel_data->was_blocking = was_blocking;
+#ifdef _WIN32
+    parallel_data->dont_wait = dont_wait;
+#endif
+
+    ctx.RunAsync(
+        [parallel_data](Kernel::HLERequestContext& ctx) {
             sockaddr src_addr;
             socklen_t src_addr_len = sizeof(src_addr);
-
+            CTRSockAddr ctr_src_addr;
-    s32 ret = -1;
+            if (parallel_data->addr_len > 0) {
-    if (GetSocketBlocking(fd_info->second) && !dont_wait) {
-        PreTimerAdjust();
-    }
-    if (addr_len > 0) {
                 // Only get src adr if input adr available
-        ret = static_cast<s32>(::recvfrom(fd_info->second.socket_fd,
+                parallel_data->ret = static_cast<s32>(
-                                          reinterpret_cast<char*>(output_buff.data()), len, flags,
+                    ::recvfrom(parallel_data->fd_info.socket_fd,
-                                          &src_addr, &src_addr_len));
+                               reinterpret_cast<char*>(parallel_data->output_buff.data()),
-        if (ret >= 0 && src_addr_len > 0) {
+                               parallel_data->len, parallel_data->flags, &src_addr, &src_addr_len));
+                if (parallel_data->ret >= 0 && src_addr_len > 0) {
                     ctr_src_addr = CTRSockAddr::FromPlatform(src_addr);
-            std::memcpy(addr_buff.data(), &ctr_src_addr, addr_len);
+                    std::memcpy(parallel_data->addr_buff.data(), &ctr_src_addr,
+                                parallel_data->addr_len);
                 }
             } else {
-        ret = static_cast<s32>(::recvfrom(fd_info->second.socket_fd,
+                parallel_data->ret = static_cast<s32>(
-                                          reinterpret_cast<char*>(output_buff.data()), len, flags,
+                    ::recvfrom(parallel_data->fd_info.socket_fd,
-                                          NULL, 0));
+                               reinterpret_cast<char*>(parallel_data->output_buff.data()),
-        addr_buff.resize(0);
+                               parallel_data->len, parallel_data->flags, NULL, 0));
-    }
+                parallel_data->addr_buff.resize(0);
-    int recv_error = (ret == SOCKET_ERROR_VALUE) ? GET_ERRNO : 0;
-    if (GetSocketBlocking(fd_info->second) && !dont_wait) {
-        PostTimerAdjust(ctx, "RecvFrom");
             }
+            parallel_data->recv_error = (parallel_data->ret == SOCKET_ERROR_VALUE) ? GET_ERRNO : 0;
+            return 0;
+        },
+        [parallel_data](Kernel::HLERequestContext& ctx) {
 #ifdef _WIN32
-    if (dont_wait && was_blocking) {
+            if (parallel_data->dont_wait && parallel_data->was_blocking) {
-        SetSocketBlocking(fd_info->second, true);
+                parallel_data->own->SetSocketBlocking(parallel_data->fd_info, true);
             }
 #endif
-    s32 total_received = ret;
+            s32 total_received = parallel_data->ret;
-    if (ret == SOCKET_ERROR_VALUE) {
+            if (parallel_data->ret == SOCKET_ERROR_VALUE) {
-        ret = TranslateError(recv_error);
+                parallel_data->ret = TranslateError(parallel_data->recv_error);
                 total_received = 0;
             }
 
             // Write only the data we received to avoid overwriting parts of the buffer with zeros
-    output_buff.resize(total_received);
+            parallel_data->output_buff.resize(total_received);
 
-    IPC::RequestBuilder rb = rp.MakeBuilder(3, 4);
+            IPC::RequestBuilder rb(ctx, 0x08, 3, 4);
             rb.Push(RESULT_SUCCESS);
-    rb.Push(ret);
+            rb.Push(parallel_data->ret);
             rb.Push(total_received);
-    rb.PushStaticBuffer(std::move(output_buff), 0);
+            rb.PushStaticBuffer(std::move(parallel_data->output_buff), 0);
-    rb.PushStaticBuffer(std::move(addr_buff), 1);
+            rb.PushStaticBuffer(std::move(parallel_data->addr_buff), 1);
+        },
+        needs_parallel);
 }
 
 void SOC_U::Poll(Kernel::HLERequestContext& ctx) {

src/core/loader/3dsx.cpp

@@ -282,7 +282,7 @@ ResultStatus AppLoader_THREEDSX::Load(std::shared_ptr<Kernel::Process>& process)
     // On real HW this is done with FS:Reg, but we can be lazy
     auto fs_user =
         Core::System::GetInstance().ServiceManager().GetService<Service::FS::FS_USER>("fs:USER");
-    fs_user->Register(process->GetObjectId(), process->codeset->program_id, filepath);
+    fs_user->RegisterProgramInfo(process->GetObjectId(), process->codeset->program_id, filepath);
 
     process->Run(48, Kernel::DEFAULT_STACK_SIZE);
 

src/core/loader/ncch.cpp

@@ -174,7 +174,15 @@ ResultStatus AppLoader_NCCH::LoadExec(std::shared_ptr<Kernel::Process>& process)
         auto fs_user =
             Core::System::GetInstance().ServiceManager().GetService<Service::FS::FS_USER>(
                 "fs:USER");
-        fs_user->Register(process->process_id, process->codeset->program_id, filepath);
+        fs_user->RegisterProgramInfo(process->process_id, process->codeset->program_id, filepath);
+
+        Service::FS::FS_USER::ProductInfo product_info{};
+        memcpy(product_info.product_code.data(), overlay_ncch->ncch_header.product_code,
+               product_info.product_code.size());
+        std::memcpy(&product_info.remaster_version,
+                    overlay_ncch->exheader_header.codeset_info.flags.remaster_version, 2);
+        product_info.maker_code = overlay_ncch->ncch_header.maker_code;
+        fs_user->RegisterProductInfo(process->process_id, product_info);
 
         process->Run(priority, stack_size);
         return ResultStatus::Success;

src/network/CMakeLists.txt

@@ -14,6 +14,8 @@ add_library(network STATIC
     room_member.h
     verify_user.cpp
     verify_user.h
+    network_clients/nasc.h
+    network_clients/nasc.cpp
 )
 
 create_target_directory_groups(network)
@@ -22,7 +24,7 @@ if (ENABLE_WEB_SERVICE)
     target_link_libraries(network PRIVATE web_service)
 endif()
 
-target_link_libraries(network PRIVATE citra_common enet Boost::serialization httplib)
+target_link_libraries(network PRIVATE citra_common enet Boost::serialization cryptopp httplib)
 
 if (CITRA_USE_PRECOMPILED_HEADERS)
     target_precompile_headers(network PRIVATE precompiled_headers.h)

src/network/network_clients/nasc.cpp

@@ -0,0 +1,228 @@
+#include <memory>
+#include <boost/algorithm/string/replace.hpp>
+#include <cryptopp/base64.h>
+#include <fmt/format.h>
+#include "common/file_util.h"
+#include "nasc.h"
+
+namespace NetworkClient::NASC {
+
+constexpr std::size_t TIMEOUT_SECONDS = 15;
+
+void NASCClient::Initialize(const std::vector<u8>& cert, const std::vector<u8>& key) {
+    Clear();
+
+    const unsigned char* tmpCertPtr = cert.data();
+    const unsigned char* tmpKeyPtr = key.data();
+
+    client_cert = d2i_X509(nullptr, &tmpCertPtr, (long)cert.size());
+    client_priv_key = d2i_PrivateKey(EVP_PKEY_RSA, nullptr, &tmpKeyPtr, (long)key.size());
+}
+
+void NASCClient::SetParameterImpl(const std::string& key, const std::vector<u8>& value) {
+    using namespace CryptoPP;
+    using Name::EncodingLookupArray;
+    using Name::InsertLineBreaks;
+    using Name::Pad;
+    using Name::PaddingByte;
+
+    std::string out;
+    Base64Encoder encoder;
+    AlgorithmParameters params =
+        MakeParameters(EncodingLookupArray(), (const byte*)base64_dict.data())(
+            InsertLineBreaks(), false)(Pad(), true)(PaddingByte(), (byte)'*');
+
+    encoder.IsolatedInitialize(params);
+    encoder.Attach(new StringSink(out));
+    encoder.Put(value.data(), value.size());
+    encoder.MessageEnd();
+
+    parameters.emplace(key, out);
+}
+
+NASCClient::NASCResult NASCClient::Perform() {
+    std::unique_ptr<httplib::SSLClient> cli;
+    httplib::Request request;
+    NASCResult res;
+
+    if (client_cert == nullptr || client_priv_key == nullptr) {
+        res.log_message = "Missing or invalid client certificate or key.";
+        return res;
+    }
+
+    cli = std::make_unique<httplib::SSLClient>(nasc_url.c_str(), 443, client_cert, client_priv_key);
+    cli->set_connection_timeout(TIMEOUT_SECONDS);
+    cli->set_read_timeout(TIMEOUT_SECONDS);
+    cli->set_write_timeout(TIMEOUT_SECONDS);
+    cli->enable_server_certificate_verification(false);
+
+    if (!cli->is_valid()) {
+        res.log_message = fmt::format("Invalid URL \"{}\"", nasc_url);
+        return res;
+    }
+
+    std::string header_param;
+    std::string action;
+    GetParameter(parameters, "action", action);
+
+    if (GetParameter(parameters, "gameid", header_param)) {
+        request.set_header("X-GameId", header_param);
+    }
+    header_param.clear();
+    if (GetParameter(parameters, "fpdver", header_param)) {
+        request.set_header("User-Agent", fmt::format("CTR FPD/{}", header_param));
+    }
+    request.set_header("Content-Type", "application/x-www-form-urlencoded");
+
+    request.method = "POST";
+    request.path = "/ac";
+    request.body = httplib::detail::params_to_query_str(parameters);
+    boost::replace_all(request.body, "*", "%2A");
+
+    httplib::Result result = cli->send(request);
+    if (!result) {
+        res.log_message =
+            fmt::format("Request to \"{}\" returned error {}", nasc_url, (int)result.error());
+        return res;
+    }
+
+    httplib::Response response = result.value();
+
+    res.http_status = response.status;
+    if (response.status != 200) {
+        res.log_message =
+            fmt::format("Request to \"{}\" returned status {}", nasc_url, response.status);
+        return res;
+    }
+
+    auto content_type = response.headers.find("content-type");
+    if (content_type == response.headers.end() ||
+        content_type->second.find("text/plain") == content_type->second.npos) {
+        res.log_message = "Unknown response body from NASC server";
+        return res;
+    }
+
+    httplib::Params out_parameters;
+    httplib::detail::parse_query_text(response.body, out_parameters);
+
+    int nasc_result;
+    if (!GetParameter(out_parameters, "returncd", nasc_result)) {
+        res.log_message = "NASC response missing \"returncd\"";
+        return res;
+    }
+
+    res.result = static_cast<u8>(nasc_result);
+    if (nasc_result >= 100) {
+        res.log_message = fmt::format("NASC login failed with code 002-{:04d}", nasc_result);
+        return res;
+    }
+
+    if (action == "LOGIN") {
+        std::string locator;
+        if (!GetParameter(out_parameters, "locator", locator)) {
+            res.log_message = "NASC response missing \"locator\"";
+            return res;
+        }
+
+        auto delimiter = locator.find(":");
+        if (delimiter == locator.npos) {
+            res.log_message = "NASC response \"locator\" missing port delimiter";
+            return res;
+        }
+        res.server_address = locator.substr(0, delimiter);
+        std::string port_str = locator.substr(delimiter + 1);
+        try {
+            res.server_port = (u16)std::stoi(port_str);
+        } catch (std::exception) {
+        }
+
+        auto token = out_parameters.find("token");
+        if (token == out_parameters.end()) {
+            res.log_message = "NASC response missing \"locator\"";
+            return res;
+        }
+
+        res.auth_token = token->second;
+    } else if (action == "SVCLOC") {
+        auto token = out_parameters.find("servicetoken");
+        if (token == out_parameters.end()) {
+            res.log_message = "NASC response missing \"servicetoken\"";
+            return res;
+        }
+        res.service_token = token->second;
+
+        std::string status;
+        if (!GetParameter(out_parameters, "statusdata", status)) {
+            res.log_message = "NASC response missing \"statusdata\"";
+            return res;
+        }
+        res.service_status = status[0];
+
+        std::string svc_host;
+        if (!GetParameter(out_parameters, "svchost", svc_host)) {
+            res.log_message = "NASC response missing \"svchost\"";
+            return res;
+        }
+        res.service_host = svc_host;
+    }
+
+    long long server_time;
+    if (!GetParameter(out_parameters, "datetime", server_time)) {
+        res.log_message = "NASC response missing \"datetime\"";
+        return res;
+    }
+    res.time_stamp = server_time;
+    return res;
+}
+
+bool NASCClient::GetParameter(const httplib::Params& param, const std::string& key,
+                              std::string& out) {
+    using namespace CryptoPP;
+    using Name::DecodingLookupArray;
+    using Name::Pad;
+    using Name::PaddingByte;
+
+    auto field = param.find(key);
+    if (field == param.end())
+        return false;
+
+    Base64Decoder decoder;
+    int lookup[256];
+    Base64Decoder::InitializeDecodingLookupArray(lookup, (const byte*)base64_dict.data(), 64,
+                                                 false);
+    AlgorithmParameters params = MakeParameters(DecodingLookupArray(), (const int*)lookup);
+
+    decoder.IsolatedInitialize(params);
+    decoder.Attach(new StringSink(out));
+    decoder.Put(reinterpret_cast<const byte*>(field->second.data()), field->second.size());
+    decoder.MessageEnd();
+    return true;
+}
+
+bool NASCClient::GetParameter(const httplib::Params& param, const std::string& key, int& out) {
+    std::string out_str;
+    if (!GetParameter(param, key, out_str)) {
+        return false;
+    }
+    try {
+        out = std::stoi(out_str);
+        return true;
+    } catch (std::exception) {
+        return false;
+    }
+}
+
+bool NASCClient::GetParameter(const httplib::Params& param, const std::string& key,
+                              long long& out) {
+    std::string out_str;
+    if (!GetParameter(param, key, out_str)) {
+        return false;
+    }
+    try {
+        out = std::stoll(out_str);
+        return true;
+    } catch (std::exception) {
+        return false;
+    }
+}
+} // namespace NetworkClient::NASC

src/network/network_clients/nasc.h

@@ -0,0 +1,86 @@
+// Copyright 2017 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <httplib.h>
+#include "common/common_types.h"
+#include "map"
+#include "string"
+#include "vector"
+
+namespace NetworkClient::NASC {
+class NASCClient {
+public:
+    struct NASCResult {
+        u8 result = 0;
+        int http_status;
+        std::string log_message;
+
+        // LOGIN
+        std::string server_address;
+        u16 server_port;
+        std::string auth_token;
+        u64 time_stamp;
+
+        // SVCLOC
+        std::string service_token;
+        std::string service_host;
+        u8 service_status;
+    };
+
+    NASCClient(const std::string& url, const std::vector<u8>& cert, const std::vector<u8>& key)
+        : nasc_url(url) {
+        Initialize(cert, key);
+    }
+
+    ~NASCClient() {
+        if (client_cert) {
+            X509_free(client_cert);
+            client_cert = nullptr;
+        }
+        if (client_priv_key) {
+            EVP_PKEY_free(client_priv_key);
+            client_priv_key = nullptr;
+        }
+    }
+
+    void Clear() {
+        parameters.clear();
+    }
+
+
+    void SetParameter(const std::string& key, int value) {
+        SetParameter(key, std::to_string(value));
+    }
+
+    void SetParameter(const std::string& key, const std::string& value) {
+        SetParameter(key, std::vector<u8>(value.cbegin(), value.cend()));
+    }
+
+    void SetParameter(const std::string& key, const std::vector<u8>& value) {
+        SetParameterImpl(key, value);
+    }
+
+    NASCResult Perform();
+
+private:
+    const std::string base64_dict =
+        "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789.-";
+
+    std::string nasc_url;
+    X509* client_cert = nullptr;
+    EVP_PKEY* client_priv_key = nullptr;
+
+    void Initialize(const std::vector<u8>& cert, const std::vector<u8>& key);
+
+    httplib::Params parameters;
+
+    void SetParameterImpl(const std::string& key, const std::vector<u8>& value);
+
+    bool GetParameter(const httplib::Params& param, const std::string& key, std::string& out);
+    bool GetParameter(const httplib::Params& param, const std::string& key, int& out);
+    bool GetParameter(const httplib::Params& param, const std::string& key, long long& out);
+};
+} // namespace NetworkClient::NASC