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Services/UDS: Add functions to generate 802.11 auth and assoc response frames.
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parent
22e7402ab1
commit
54411bef4e
@ -144,6 +144,7 @@ set(SRCS
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hle/service/nwm/nwm_tst.cpp
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hle/service/nwm/nwm_tst.cpp
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hle/service/nwm/nwm_uds.cpp
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hle/service/nwm/nwm_uds.cpp
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hle/service/nwm/uds_beacon.cpp
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hle/service/nwm/uds_beacon.cpp
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hle/service/nwm/uds_connection.cpp
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hle/service/nwm/uds_data.cpp
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hle/service/nwm/uds_data.cpp
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hle/service/pm_app.cpp
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hle/service/pm_app.cpp
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hle/service/ptm/ptm.cpp
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hle/service/ptm/ptm.cpp
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@ -342,6 +343,7 @@ set(HEADERS
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hle/service/nwm/nwm_tst.h
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hle/service/nwm/nwm_tst.h
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hle/service/nwm/nwm_uds.h
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hle/service/nwm/nwm_uds.h
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hle/service/nwm/uds_beacon.h
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hle/service/nwm/uds_beacon.h
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hle/service/nwm/uds_connection.h
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hle/service/nwm/uds_data.h
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hle/service/nwm/uds_data.h
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hle/service/pm_app.h
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hle/service/pm_app.h
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hle/service/ptm/ptm.h
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hle/service/ptm/ptm.h
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@ -42,6 +42,7 @@ using NodeList = std::vector<NodeInfo>;
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enum class NetworkStatus {
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enum class NetworkStatus {
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NotConnected = 3,
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NotConnected = 3,
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ConnectedAsHost = 6,
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ConnectedAsHost = 6,
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Connecting = 7,
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ConnectedAsClient = 9,
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ConnectedAsClient = 9,
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ConnectedAsSpectator = 10,
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ConnectedAsSpectator = 10,
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};
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};
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@ -85,6 +86,17 @@ static_assert(offsetof(NetworkInfo, oui_value) == 0xC, "oui_value is at the wron
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static_assert(offsetof(NetworkInfo, wlan_comm_id) == 0x10, "wlancommid is at the wrong offset.");
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static_assert(offsetof(NetworkInfo, wlan_comm_id) == 0x10, "wlancommid is at the wrong offset.");
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static_assert(sizeof(NetworkInfo) == 0x108, "NetworkInfo has incorrect size.");
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static_assert(sizeof(NetworkInfo) == 0x108, "NetworkInfo has incorrect size.");
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/// Additional block tag ids in the Beacon and Association Response frames
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enum class TagId : u8 {
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SSID = 0,
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SupportedRates = 1,
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DSParameterSet = 2,
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TrafficIndicationMap = 5,
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CountryInformation = 7,
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ERPInformation = 42,
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VendorSpecific = 221
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};
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class NWM_UDS final : public Interface {
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class NWM_UDS final : public Interface {
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public:
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public:
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NWM_UDS();
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NWM_UDS();
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@ -17,17 +17,6 @@ namespace NWM {
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using MacAddress = std::array<u8, 6>;
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using MacAddress = std::array<u8, 6>;
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constexpr std::array<u8, 3> NintendoOUI = {0x00, 0x1F, 0x32};
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constexpr std::array<u8, 3> NintendoOUI = {0x00, 0x1F, 0x32};
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/// Additional block tag ids in the Beacon frames
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enum class TagId : u8 {
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SSID = 0,
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SupportedRates = 1,
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DSParameterSet = 2,
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TrafficIndicationMap = 5,
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CountryInformation = 7,
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ERPInformation = 42,
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VendorSpecific = 221
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};
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/**
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/**
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* Internal vendor-specific tag ids as stored inside
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* Internal vendor-specific tag ids as stored inside
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* VendorSpecific blocks in the Beacon frames.
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* VendorSpecific blocks in the Beacon frames.
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79
src/core/hle/service/nwm/uds_connection.cpp
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79
src/core/hle/service/nwm/uds_connection.cpp
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@ -0,0 +1,79 @@
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// Copyright 2017 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include "core/hle/service/nwm/nwm_uds.h"
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#include "core/hle/service/nwm/uds_connection.h"
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#include "fmt/format.h"
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namespace Service {
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namespace NWM {
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// Note: These values were taken from a packet capture of an o3DS XL
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// broadcasting a Super Smash Bros. 4 lobby.
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constexpr u16 DefaultExtraCapabilities = 0x0431;
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std::vector<u8> GenerateAuthenticationFrame(AuthenticationSeq seq) {
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AuthenticationFrame frame{};
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frame.auth_seq = static_cast<u16>(seq);
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std::vector<u8> data(sizeof(frame));
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std::memcpy(data.data(), &frame, sizeof(frame));
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return data;
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}
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AuthenticationSeq GetAuthenticationSeqNumber(const std::vector<u8>& body) {
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AuthenticationFrame frame;
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std::memcpy(&frame, body.data(), sizeof(frame));
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return static_cast<AuthenticationSeq>(frame.auth_seq);
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}
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/**
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* Generates an SSID tag of an 802.11 Beacon frame with an 8-byte character representation of the
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* specified network id as the SSID value.
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* @param network_id The network id to use.
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* @returns A buffer with the SSID tag.
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*/
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static std::vector<u8> GenerateSSIDTag(u32 network_id) {
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constexpr u8 SSIDSize = 8;
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struct {
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u8 id = static_cast<u8>(TagId::SSID);
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u8 size = SSIDSize;
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} tag_header;
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std::vector<u8> buffer(sizeof(tag_header) + SSIDSize);
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std::memcpy(buffer.data(), &tag_header, sizeof(tag_header));
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std::string network_name = fmt::format("{0:08X}", network_id);
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std::memcpy(buffer.data() + sizeof(tag_header), network_name.c_str(), SSIDSize);
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return buffer;
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}
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std::vector<u8> GenerateAssocResponseFrame(AssocStatus status, u16 association_id, u32 network_id) {
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AssociationResponseFrame frame{};
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frame.capabilities = DefaultExtraCapabilities;
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frame.status_code = static_cast<u16>(status);
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// The association id is ORed with this magic value (0xC000)
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constexpr u16 AssociationIdMagic = 0xC000;
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frame.assoc_id = association_id | AssociationIdMagic;
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std::vector<u8> data(sizeof(frame));
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std::memcpy(data.data(), &frame, sizeof(frame));
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auto ssid_tag = GenerateSSIDTag(network_id);
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data.insert(data.end(), ssid_tag.begin(), ssid_tag.end());
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// TODO(Subv): Add the SupportedRates tag.
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// TODO(Subv): Add the DSParameterSet tag.
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// TODO(Subv): Add the ERPInformation tag.
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return data;
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}
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} // namespace NWM
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} // namespace Service
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51
src/core/hle/service/nwm/uds_connection.h
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51
src/core/hle/service/nwm/uds_connection.h
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@ -0,0 +1,51 @@
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// Copyright 2017 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include <vector>
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#include "common/common_types.h"
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#include "common/swap.h"
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#include "core/hle/service/service.h"
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namespace Service {
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namespace NWM {
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/// Sequence number of the 802.11 authentication frames.
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enum class AuthenticationSeq : u16 { SEQ1 = 1, SEQ2 = 2 };
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enum class AuthAlgorithm : u16 { OpenSystem = 0 };
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enum class AuthStatus : u16 { Successful = 0 };
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enum class AssocStatus : u16 { Successful = 0 };
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struct AuthenticationFrame {
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u16_le auth_algorithm = static_cast<u16>(AuthAlgorithm::OpenSystem);
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u16_le auth_seq;
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u16_le status_code = static_cast<u16>(AuthStatus::Successful);
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};
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static_assert(sizeof(AuthenticationFrame) == 6, "AuthenticationFrame has wrong size");
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struct AssociationResponseFrame {
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u16_le capabilities;
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u16_le status_code;
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u16_le assoc_id;
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};
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static_assert(sizeof(AssociationResponseFrame) == 6, "AssociationResponseFrame has wrong size");
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/// Generates an 802.11 authentication frame, starting at the frame body.
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std::vector<u8> GenerateAuthenticationFrame(AuthenticationSeq seq);
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/// Returns the sequence number from the body of an Authentication frame.
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AuthenticationSeq GetAuthenticationSeqNumber(const std::vector<u8>& body);
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/// Generates an 802.11 association response frame with the specified status, association id and
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/// network id, starting at the frame body.
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std::vector<u8> GenerateAssocResponseFrame(AssocStatus status, u16 association_id, u32 network_id);
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} // namespace NWM
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} // namespace Service
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