/*
 * hidl interface for wpa_supplicant daemon
 * Copyright (c) 2004-2016, Jouni Malinen <j@w1.fi>
 * Copyright (c) 2004-2016, Roshan Pius <rpius@google.com>
 *
 * This software may be distributed under the terms of the BSD license.
 * See README for more details.
 */

#include <algorithm>
#include <iostream>
#include <regex>

#include "hidl_manager.h"
#include "misc_utils.h"

extern "C" {
#include "scan.h"
#include "src/eap_common/eap_sim_common.h"
#include "list.h"
}

namespace {
using android::hardware::hidl_array;

constexpr uint8_t kWfdDeviceInfoLen = 6;
constexpr uint8_t kWfdR2DeviceInfoLen = 2;
// GSM-AUTH:<RAND1>:<RAND2>[:<RAND3>]
constexpr char kGsmAuthRegex2[] = "GSM-AUTH:([0-9a-f]+):([0-9a-f]+)";
constexpr char kGsmAuthRegex3[] =
    "GSM-AUTH:([0-9a-f]+):([0-9a-f]+):([0-9a-f]+)";
// UMTS-AUTH:<RAND>:<AUTN>
constexpr char kUmtsAuthRegex[] = "UMTS-AUTH:([0-9a-f]+):([0-9a-f]+)";
constexpr size_t kGsmRandLenBytes = GSM_RAND_LEN;
constexpr size_t kUmtsRandLenBytes = EAP_AKA_RAND_LEN;
constexpr size_t kUmtsAutnLenBytes = EAP_AKA_AUTN_LEN;
constexpr u8 kZeroBssid[6] = {0, 0, 0, 0, 0, 0};

/**
 * Check if the provided |wpa_supplicant| structure represents a P2P iface or
 * not.
 */
constexpr bool isP2pIface(const struct wpa_supplicant *wpa_s)
{
	return (wpa_s->global->p2p_init_wpa_s == wpa_s);
}

/**
 * Creates a unique key for the network using the provided |ifname| and
 * |network_id| to be used in the internal map of |ISupplicantNetwork| objects.
 * This is of the form |ifname|_|network_id|. For ex: "wlan0_1".
 *
 * @param ifname Name of the corresponding interface.
 * @param network_id ID of the corresponding network.
 */
const std::string getNetworkObjectMapKey(
    const std::string &ifname, int network_id)
{
	return ifname + "_" + std::to_string(network_id);
}

/**
 * Add callback to the corresponding list after linking to death on the
 * corresponding hidl object reference.
 */
template <class CallbackType>
int registerForDeathAndAddCallbackHidlObjectToList(
    const android::sp<DeathNotifier> &death_notifier,
    const android::sp<CallbackType> &callback,
    std::vector<android::sp<CallbackType>> &callback_list)
{
	if (!callback->linkToDeath(death_notifier, 0)) {
		wpa_printf(
		    MSG_ERROR,
		    "Error registering for death notification for "
		    "supplicant callback object");
		return 1;
	}
	callback_list.push_back(callback);
	return 0;
}

template <class ObjectType>
int addHidlObjectToMap(
    const std::string &key, const android::sp<ObjectType> object,
    std::map<const std::string, android::sp<ObjectType>> &object_map)
{
	// Return failure if we already have an object for that |key|.
	if (object_map.find(key) != object_map.end())
		return 1;
	object_map[key] = object;
	if (!object_map[key].get())
		return 1;
	return 0;
}

template <class ObjectType>
int removeHidlObjectFromMap(
    const std::string &key,
    std::map<const std::string, android::sp<ObjectType>> &object_map)
{
	// Return failure if we dont have an object for that |key|.
	const auto &object_iter = object_map.find(key);
	if (object_iter == object_map.end())
		return 1;
	object_iter->second->invalidate();
	object_map.erase(object_iter);
	return 0;
}

template <class CallbackType>
int addIfaceCallbackHidlObjectToMap(
    const android::sp<DeathNotifier> &death_notifier,
    const std::string &ifname, const android::sp<CallbackType> &callback,
    std::map<const std::string, std::vector<android::sp<CallbackType>>>
	&callbacks_map)
{
	if (ifname.empty())
		return 1;

	auto iface_callback_map_iter = callbacks_map.find(ifname);
	if (iface_callback_map_iter == callbacks_map.end())
		return 1;
	auto &iface_callback_list = iface_callback_map_iter->second;

	// Register for death notification before we add it to our list.
	return registerForDeathAndAddCallbackHidlObjectToList<CallbackType>(
	    death_notifier, callback, iface_callback_list);
}

template <class CallbackType>
int addNetworkCallbackHidlObjectToMap(
    const android::sp<DeathNotifier> &death_notifier,
    const std::string &ifname, int network_id,
    const android::sp<CallbackType> &callback,
    std::map<const std::string, std::vector<android::sp<CallbackType>>>
	&callbacks_map)
{
	if (ifname.empty() || network_id < 0)
		return 1;

	// Generate the key to be used to lookup the network.
	const std::string network_key =
	    getNetworkObjectMapKey(ifname, network_id);
	auto network_callback_map_iter = callbacks_map.find(network_key);
	if (network_callback_map_iter == callbacks_map.end())
		return 1;
	auto &network_callback_list = network_callback_map_iter->second;

	// Register for death notification before we add it to our list.
	return registerForDeathAndAddCallbackHidlObjectToList<CallbackType>(
	    death_notifier, callback, network_callback_list);
}

template <class CallbackType>
int removeAllIfaceCallbackHidlObjectsFromMap(
    const android::sp<DeathNotifier> &death_notifier,
    const std::string &ifname,
    std::map<const std::string, std::vector<android::sp<CallbackType>>>
	&callbacks_map)
{
	auto iface_callback_map_iter = callbacks_map.find(ifname);
	if (iface_callback_map_iter == callbacks_map.end())
		return 1;
	const auto &iface_callback_list = iface_callback_map_iter->second;
	for (const auto &callback : iface_callback_list) {
		if (!callback->unlinkToDeath(death_notifier)) {
			wpa_printf(
			    MSG_ERROR,
			    "Error deregistering for death notification for "
			    "iface callback object");
		}
	}
	callbacks_map.erase(iface_callback_map_iter);
	return 0;
}

template <class CallbackType>
int removeAllNetworkCallbackHidlObjectsFromMap(
    const android::sp<DeathNotifier> &death_notifier,
    const std::string &network_key,
    std::map<const std::string, std::vector<android::sp<CallbackType>>>
	&callbacks_map)
{
	auto network_callback_map_iter = callbacks_map.find(network_key);
	if (network_callback_map_iter == callbacks_map.end())
		return 1;
	const auto &network_callback_list = network_callback_map_iter->second;
	for (const auto &callback : network_callback_list) {
		if (!callback->unlinkToDeath(death_notifier)) {
			wpa_printf(
			    MSG_ERROR,
			    "Error deregistering for death "
			    "notification for "
			    "network callback object");
		}
	}
	callbacks_map.erase(network_callback_map_iter);
	return 0;
}

template <class CallbackType>
void removeIfaceCallbackHidlObjectFromMap(
    const std::string &ifname, const android::sp<CallbackType> &callback,
    std::map<const std::string, std::vector<android::sp<CallbackType>>>
	&callbacks_map)
{
	if (ifname.empty())
		return;

	auto iface_callback_map_iter = callbacks_map.find(ifname);
	if (iface_callback_map_iter == callbacks_map.end())
		return;

	auto &iface_callback_list = iface_callback_map_iter->second;
	iface_callback_list.erase(
	    std::remove(
		iface_callback_list.begin(), iface_callback_list.end(),
		callback),
	    iface_callback_list.end());
}

template <class CallbackType>
void removeNetworkCallbackHidlObjectFromMap(
    const std::string &ifname, int network_id,
    const android::sp<CallbackType> &callback,
    std::map<const std::string, std::vector<android::sp<CallbackType>>>
	&callbacks_map)
{
	if (ifname.empty() || network_id < 0)
		return;

	// Generate the key to be used to lookup the network.
	const std::string network_key =
	    getNetworkObjectMapKey(ifname, network_id);

	auto network_callback_map_iter = callbacks_map.find(network_key);
	if (network_callback_map_iter == callbacks_map.end())
		return;

	auto &network_callback_list = network_callback_map_iter->second;
	network_callback_list.erase(
	    std::remove(
		network_callback_list.begin(), network_callback_list.end(),
		callback),
	    network_callback_list.end());
}

template <class CallbackType>
void callWithEachIfaceCallback(
    const std::string &ifname,
    const std::function<
	android::hardware::Return<void>(android::sp<CallbackType>)> &method,
    const std::map<const std::string, std::vector<android::sp<CallbackType>>>
	&callbacks_map)
{
	if (ifname.empty())
		return;

	auto iface_callback_map_iter = callbacks_map.find(ifname);
	if (iface_callback_map_iter == callbacks_map.end())
		return;
	const auto &iface_callback_list = iface_callback_map_iter->second;
	for (const auto &callback : iface_callback_list) {
		if (!method(callback).isOk()) {
			wpa_printf(
			    MSG_ERROR, "Failed to invoke HIDL iface callback");
		}
	}
}

template <class CallbackTypeBase, class CallbackTypeDerived>
void callWithEachIfaceCallbackDerived(
    const std::string &ifname,
    const std::function<
	android::hardware::Return<void>(android::sp<CallbackTypeDerived>)> &method,
    const std::map<
	const std::string, std::vector<android::sp<CallbackTypeBase>>>
	&callbacks_map)
{
	if (ifname.empty())
		return;

	auto iface_callback_map_iter = callbacks_map.find(ifname);
	if (iface_callback_map_iter == callbacks_map.end())
		return;
	const auto &iface_callback_list = iface_callback_map_iter->second;
	for (const auto &callback : iface_callback_list) {
		android::sp<CallbackTypeDerived> callback_derived =
		    CallbackTypeDerived::castFrom(callback);
		if (callback_derived == nullptr)
			continue;

		if (!method(callback_derived).isOk()) {
			wpa_printf(
			    MSG_ERROR, "Failed to invoke HIDL iface callback");
		}
	}
}

template <class CallbackType>
void callWithEachNetworkCallback(
    const std::string &ifname, int network_id,
    const std::function<
	android::hardware::Return<void>(android::sp<CallbackType>)> &method,
    const std::map<const std::string, std::vector<android::sp<CallbackType>>>
	&callbacks_map)
{
	if (ifname.empty() || network_id < 0)
		return;

	// Generate the key to be used to lookup the network.
	const std::string network_key =
	    getNetworkObjectMapKey(ifname, network_id);
	auto network_callback_map_iter = callbacks_map.find(network_key);
	if (network_callback_map_iter == callbacks_map.end())
		return;
	const auto &network_callback_list = network_callback_map_iter->second;
	for (const auto &callback : network_callback_list) {
		if (!method(callback).isOk()) {
			wpa_printf(
			    MSG_ERROR,
			    "Failed to invoke HIDL network callback");
		}
	}
}

template <class CallbackTypeBase, class CallbackTypeDerived>
void callWithEachNetworkCallbackDerived(
    const std::string &ifname, int network_id,
    const std::function<
	android::hardware::Return<void>(android::sp<CallbackTypeDerived>)> &method,
    const std::map<
	const std::string, std::vector<android::sp<CallbackTypeBase>>>
	&callbacks_map)
{
	if (ifname.empty())
		return;

	// Generate the key to be used to lookup the network.
	const std::string network_key =
	    getNetworkObjectMapKey(ifname, network_id);
	auto network_callback_map_iter = callbacks_map.find(network_key);
	if (network_callback_map_iter == callbacks_map.end())
		return;
	const auto &network_callback_list = network_callback_map_iter->second;
	for (const auto &callback : network_callback_list) {
		android::sp<CallbackTypeDerived> callback_derived =
		    CallbackTypeDerived::castFrom(callback);
		if (callback_derived == nullptr)
			continue;
		if (!method(callback_derived).isOk()) {
			wpa_printf(
			    MSG_ERROR,
			    "Failed to invoke HIDL network callback");
		}
	}
}

int parseGsmAuthNetworkRequest(
    const std::string &params_str,
    std::vector<hidl_array<uint8_t, kGsmRandLenBytes>> *out_rands)
{
	std::smatch matches;
	std::regex params_gsm_regex2(kGsmAuthRegex2);
	std::regex params_gsm_regex3(kGsmAuthRegex3);
	if (!std::regex_match(params_str, matches, params_gsm_regex3) &&
	    !std::regex_match(params_str, matches, params_gsm_regex2)) {
		return 1;
	}
	for (uint32_t i = 1; i < matches.size(); i++) {
		hidl_array<uint8_t, kGsmRandLenBytes> rand;
		const auto &match = matches[i];
		WPA_ASSERT(match.size() >= 2 * rand.size());
		if (hexstr2bin(match.str().c_str(), rand.data(), rand.size())) {
			wpa_printf(
			    MSG_ERROR, "Failed to parse GSM auth params");
			return 1;
		}
		out_rands->push_back(rand);
	}
	return 0;
}

int parseUmtsAuthNetworkRequest(
    const std::string &params_str,
    hidl_array<uint8_t, kUmtsRandLenBytes> *out_rand,
    hidl_array<uint8_t, kUmtsAutnLenBytes> *out_autn)
{
	std::smatch matches;
	std::regex params_umts_regex(kUmtsAuthRegex);
	if (!std::regex_match(params_str, matches, params_umts_regex)) {
		return 1;
	}
	WPA_ASSERT(matches[1].size() >= 2 * out_rand->size());
	if (hexstr2bin(
		matches[1].str().c_str(), out_rand->data(), out_rand->size())) {
		wpa_printf(MSG_ERROR, "Failed to parse UMTS auth params");
		return 1;
	}
	WPA_ASSERT(matches[2].size() >= 2 * out_autn->size());
	if (hexstr2bin(
		matches[2].str().c_str(), out_autn->data(), out_autn->size())) {
		wpa_printf(MSG_ERROR, "Failed to parse UMTS auth params");
		return 1;
	}
	return 0;
}
}  // namespace

namespace android {
namespace hardware {
namespace wifi {
namespace supplicant {
namespace V1_4 {
namespace implementation {
using V1_0::ISupplicantStaIfaceCallback;
using V1_0::ISupplicantP2pIfaceCallback;
using ISupplicantP2pIfaceCallbackV1_4 = V1_4::ISupplicantP2pIfaceCallback;

HidlManager *HidlManager::instance_ = NULL;

HidlManager *HidlManager::getInstance()
{
	if (!instance_)
		instance_ = new HidlManager();
	return instance_;
}

void HidlManager::destroyInstance()
{
	if (instance_)
		delete instance_;
	instance_ = NULL;
}

int HidlManager::registerHidlService(struct wpa_global *global)
{
	// Create the main hidl service object and register it.
	supplicant_object_ = new Supplicant(global);
	wpa_global_ = global;
	death_notifier_ = sp<DeathNotifier>::make(global);
	if (supplicant_object_->registerAsService() != android::NO_ERROR) {
		return 1;
	}
	return 0;
}

/**
 * Register an interface to hidl manager.
 *
 * @param wpa_s |wpa_supplicant| struct corresponding to the interface.
 *
 * @return 0 on success, 1 on failure.
 */
int HidlManager::registerInterface(struct wpa_supplicant *wpa_s)
{
	if (!wpa_s)
		return 1;

	if (isP2pIface(wpa_s)) {
		if (addHidlObjectToMap<P2pIface>(
			wpa_s->ifname,
			new P2pIface(wpa_s->global, wpa_s->ifname),
			p2p_iface_object_map_)) {
			wpa_printf(
			    MSG_ERROR,
			    "Failed to register P2P interface with HIDL "
			    "control: %s",
			    wpa_s->ifname);
			return 1;
		}
		p2p_iface_callbacks_map_[wpa_s->ifname] =
		    std::vector<android::sp<ISupplicantP2pIfaceCallback>>();
	} else {
		if (addHidlObjectToMap<StaIface>(
			wpa_s->ifname,
			new StaIface(wpa_s->global, wpa_s->ifname),
			sta_iface_object_map_)) {
			wpa_printf(
			    MSG_ERROR,
			    "Failed to register STA interface with HIDL "
			    "control: %s",
			    wpa_s->ifname);
			return 1;
		}
		sta_iface_callbacks_map_[wpa_s->ifname] =
		    std::vector<android::sp<ISupplicantStaIfaceCallback>>();
		// Turn on Android specific customizations for STA interfaces
		// here!
		//
		// Turn on scan mac randomization only if driver supports.
		if (wpa_s->mac_addr_rand_supported & MAC_ADDR_RAND_SCAN) {
			if (wpas_mac_addr_rand_scan_set(
				wpa_s, MAC_ADDR_RAND_SCAN, nullptr, nullptr)) {
				wpa_printf(
				    MSG_ERROR,
				    "Failed to enable scan mac randomization");
			}
		}

		// Enable randomized source MAC address for GAS/ANQP
		// Set the lifetime to 0, guarantees a unique address for each GAS
		// session
		wpa_s->conf->gas_rand_mac_addr = 1;
		wpa_s->conf->gas_rand_addr_lifetime = 0;
	}

	// Invoke the |onInterfaceCreated| method on all registered callbacks.
	callWithEachSupplicantCallback(std::bind(
	    &ISupplicantCallback::onInterfaceCreated, std::placeholders::_1,
	    wpa_s->ifname));
	return 0;
}

/**
 * Unregister an interface from hidl manager.
 *
 * @param wpa_s |wpa_supplicant| struct corresponding to the interface.
 *
 * @return 0 on success, 1 on failure.
 */
int HidlManager::unregisterInterface(struct wpa_supplicant *wpa_s)
{
	if (!wpa_s)
		return 1;

	// Check if this interface is present in P2P map first, else check in
	// STA map.
	// Note: We can't use isP2pIface() here because interface
	// pointers (wpa_s->global->p2p_init_wpa_s == wpa_s) used by the helper
	// function is cleared by the core before notifying the HIDL interface.
	bool success =
	    !removeHidlObjectFromMap(wpa_s->ifname, p2p_iface_object_map_);
	if (success) {  // assumed to be P2P
		success = !removeAllIfaceCallbackHidlObjectsFromMap(
		    death_notifier_, wpa_s->ifname, p2p_iface_callbacks_map_);
	} else {  // assumed to be STA
		success = !removeHidlObjectFromMap(
		    wpa_s->ifname, sta_iface_object_map_);
		if (success) {
			success = !removeAllIfaceCallbackHidlObjectsFromMap(
			    death_notifier_, wpa_s->ifname, sta_iface_callbacks_map_);
		}
	}
	if (!success) {
		wpa_printf(
		    MSG_ERROR,
		    "Failed to unregister interface with HIDL "
		    "control: %s",
		    wpa_s->ifname);
		return 1;
	}

	// Invoke the |onInterfaceRemoved| method on all registered callbacks.
	callWithEachSupplicantCallback(std::bind(
	    &ISupplicantCallback::onInterfaceRemoved, std::placeholders::_1,
	    wpa_s->ifname));
	return 0;
}

/**
 * Register a network to hidl manager.
 *
 * @param wpa_s |wpa_supplicant| struct corresponding to the interface on which
 * the network is added.
 * @param ssid |wpa_ssid| struct corresponding to the network being added.
 *
 * @return 0 on success, 1 on failure.
 */
int HidlManager::registerNetwork(
    struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid)
{
	if (!wpa_s || !ssid)
		return 1;

	// Generate the key to be used to lookup the network.
	const std::string network_key =
	    getNetworkObjectMapKey(wpa_s->ifname, ssid->id);

	if (isP2pIface(wpa_s)) {
		if (addHidlObjectToMap<P2pNetwork>(
			network_key,
			new P2pNetwork(wpa_s->global, wpa_s->ifname, ssid->id),
			p2p_network_object_map_)) {
			wpa_printf(
			    MSG_ERROR,
			    "Failed to register P2P network with HIDL "
			    "control: %d",
			    ssid->id);
			return 1;
		}
		p2p_network_callbacks_map_[network_key] =
		    std::vector<android::sp<ISupplicantP2pNetworkCallback>>();
		// Invoke the |onNetworkAdded| method on all registered
		// callbacks.
		callWithEachP2pIfaceCallback(
		    wpa_s->ifname,
		    std::bind(
			&ISupplicantP2pIfaceCallback::onNetworkAdded,
			std::placeholders::_1, ssid->id));
	} else {
		if (addHidlObjectToMap<StaNetwork>(
			network_key,
			new StaNetwork(wpa_s->global, wpa_s->ifname, ssid->id),
			sta_network_object_map_)) {
			wpa_printf(
			    MSG_ERROR,
			    "Failed to register STA network with HIDL "
			    "control: %d",
			    ssid->id);
			return 1;
		}
		sta_network_callbacks_map_[network_key] =
		    std::vector<android::sp<ISupplicantStaNetworkCallback>>();
		// Invoke the |onNetworkAdded| method on all registered
		// callbacks.
		callWithEachStaIfaceCallback(
		    wpa_s->ifname,
		    std::bind(
			&ISupplicantStaIfaceCallback::onNetworkAdded,
			std::placeholders::_1, ssid->id));
	}
	return 0;
}

/**
 * Unregister a network from hidl manager.
 *
 * @param wpa_s |wpa_supplicant| struct corresponding to the interface on which
 * the network is added.
 * @param ssid |wpa_ssid| struct corresponding to the network being added.
 *
 * @return 0 on success, 1 on failure.
 */
int HidlManager::unregisterNetwork(
    struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid)
{
	if (!wpa_s || !ssid)
		return 1;

	// Generate the key to be used to lookup the network.
	const std::string network_key =
	    getNetworkObjectMapKey(wpa_s->ifname, ssid->id);

	if (isP2pIface(wpa_s)) {
		if (removeHidlObjectFromMap(
			network_key, p2p_network_object_map_)) {
			wpa_printf(
			    MSG_ERROR,
			    "Failed to unregister P2P network with HIDL "
			    "control: %d",
			    ssid->id);
			return 1;
		}
		if (removeAllNetworkCallbackHidlObjectsFromMap(
			death_notifier_, network_key, p2p_network_callbacks_map_))
			return 1;

		// Invoke the |onNetworkRemoved| method on all registered
		// callbacks.
		callWithEachP2pIfaceCallback(
		    wpa_s->ifname,
		    std::bind(
			&ISupplicantP2pIfaceCallback::onNetworkRemoved,
			std::placeholders::_1, ssid->id));
	} else {
		if (removeHidlObjectFromMap(
			network_key, sta_network_object_map_)) {
			wpa_printf(
			    MSG_ERROR,
			    "Failed to unregister STA network with HIDL "
			    "control: %d",
			    ssid->id);
			return 1;
		}
		if (removeAllNetworkCallbackHidlObjectsFromMap(
			death_notifier_, network_key, sta_network_callbacks_map_))
			return 1;

		// Invoke the |onNetworkRemoved| method on all registered
		// callbacks.
		callWithEachStaIfaceCallback(
		    wpa_s->ifname,
		    std::bind(
			&ISupplicantStaIfaceCallback::onNetworkRemoved,
			std::placeholders::_1, ssid->id));
	}
	return 0;
}

/**
 * Notify all listeners about any state changes on a particular interface.
 *
 * @param wpa_s |wpa_supplicant| struct corresponding to the interface on which
 * the state change event occured.
 */
int HidlManager::notifyStateChange(struct wpa_supplicant *wpa_s)
{
	if (!wpa_s)
		return 1;

	if (sta_iface_object_map_.find(wpa_s->ifname) ==
	    sta_iface_object_map_.end())
		return 1;

	// Invoke the |onStateChanged| method on all registered callbacks.
	uint32_t hidl_network_id = UINT32_MAX;
	std::vector<uint8_t> hidl_ssid;
	if (wpa_s->current_ssid) {
		hidl_network_id = wpa_s->current_ssid->id;
		hidl_ssid.assign(
		    wpa_s->current_ssid->ssid,
		    wpa_s->current_ssid->ssid + wpa_s->current_ssid->ssid_len);
	}
	uint8_t *bssid;
	// wpa_supplicant sets the |pending_bssid| field when it starts a
	// connection. Only after association state does it update the |bssid|
	// field. So, in the HIDL callback send the appropriate bssid.
	if (wpa_s->wpa_state <= WPA_ASSOCIATED) {
		bssid = wpa_s->pending_bssid;
	} else {
		bssid = wpa_s->bssid;
	}
	bool fils_hlp_sent =
		(wpa_auth_alg_fils(wpa_s->auth_alg) &&
		 !dl_list_empty(&wpa_s->fils_hlp_req) &&
		 (wpa_s->wpa_state == WPA_COMPLETED)) ? true : false;

	// Invoke the |onStateChanged_1_3| method on all registered callbacks.
	const std::function<
		Return<void>(android::sp<V1_3::ISupplicantStaIfaceCallback>)>
		func = std::bind(
			&V1_3::ISupplicantStaIfaceCallback::onStateChanged_1_3,
			std::placeholders::_1,
			static_cast<ISupplicantStaIfaceCallback::State>(
				wpa_s->wpa_state),
				bssid, hidl_network_id, hidl_ssid,
				fils_hlp_sent);
	callWithEachStaIfaceCallbackDerived(wpa_s->ifname, func);
	return 0;
}

/**
 * Notify all listeners about a request on a particular network.
 *
 * @param wpa_s |wpa_supplicant| struct corresponding to the interface on which
 * the network is present.
 * @param ssid |wpa_ssid| struct corresponding to the network.
 * @param type type of request.
 * @param param addition params associated with the request.
 */
int HidlManager::notifyNetworkRequest(
    struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid, int type,
    const char *param)
{
	if (!wpa_s || !ssid)
		return 1;

	const std::string network_key =
	    getNetworkObjectMapKey(wpa_s->ifname, ssid->id);
	if (sta_network_object_map_.find(network_key) ==
	    sta_network_object_map_.end())
		return 1;

	if (type == WPA_CTRL_REQ_EAP_IDENTITY) {
		callWithEachStaNetworkCallback(
		    wpa_s->ifname, ssid->id,
		    std::bind(
			&ISupplicantStaNetworkCallback::
			    onNetworkEapIdentityRequest,
			std::placeholders::_1));
		return 0;
	}
	if (type == WPA_CTRL_REQ_SIM) {
		std::vector<hidl_array<uint8_t, 16>> gsm_rands;
		hidl_array<uint8_t, 16> umts_rand;
		hidl_array<uint8_t, 16> umts_autn;
		if (!parseGsmAuthNetworkRequest(param, &gsm_rands)) {
			ISupplicantStaNetworkCallback::
			    NetworkRequestEapSimGsmAuthParams hidl_params;
			hidl_params.rands = gsm_rands;
			callWithEachStaNetworkCallback(
			    wpa_s->ifname, ssid->id,
			    std::bind(
				&ISupplicantStaNetworkCallback::
				    onNetworkEapSimGsmAuthRequest,
				std::placeholders::_1, hidl_params));
			return 0;
		}
		if (!parseUmtsAuthNetworkRequest(
			param, &umts_rand, &umts_autn)) {
			ISupplicantStaNetworkCallback::
			    NetworkRequestEapSimUmtsAuthParams hidl_params;
			hidl_params.rand = umts_rand;
			hidl_params.autn = umts_autn;
			callWithEachStaNetworkCallback(
			    wpa_s->ifname, ssid->id,
			    std::bind(
				&ISupplicantStaNetworkCallback::
				    onNetworkEapSimUmtsAuthRequest,
				std::placeholders::_1, hidl_params));
			return 0;
		}
	}
	return 1;
}

/**
 * Notify all listeners about the end of an ANQP query.
 *
 * @param wpa_s |wpa_supplicant| struct corresponding to the interface.
 * @param bssid BSSID of the access point.
 * @param result Result of the operation ("SUCCESS" or "FAILURE").
 * @param anqp |wpa_bss_anqp| ANQP data fetched.
 */
void HidlManager::notifyAnqpQueryDone(
    struct wpa_supplicant *wpa_s, const u8 *bssid, const char *result,
    const struct wpa_bss_anqp *anqp)
{
	if (!wpa_s || !bssid || !result || !anqp)
		return;

	if (sta_iface_object_map_.find(wpa_s->ifname) ==
	    sta_iface_object_map_.end())
		return;

	V1_4::ISupplicantStaIfaceCallback::AnqpData hidl_anqp_data;
	ISupplicantStaIfaceCallback::Hs20AnqpData hidl_hs20_anqp_data;
	if (std::string(result) == "SUCCESS") {
		hidl_anqp_data.V1_0.venueName =
		    misc_utils::convertWpaBufToVector(anqp->venue_name);
		hidl_anqp_data.V1_0.roamingConsortium =
		    misc_utils::convertWpaBufToVector(anqp->roaming_consortium);
		hidl_anqp_data.V1_0.ipAddrTypeAvailability =
		    misc_utils::convertWpaBufToVector(
			anqp->ip_addr_type_availability);
		hidl_anqp_data.V1_0.naiRealm =
		    misc_utils::convertWpaBufToVector(anqp->nai_realm);
		hidl_anqp_data.V1_0.anqp3gppCellularNetwork =
		    misc_utils::convertWpaBufToVector(anqp->anqp_3gpp);
		hidl_anqp_data.V1_0.domainName =
		    misc_utils::convertWpaBufToVector(anqp->domain_name);

		struct wpa_bss_anqp_elem *elem;
		dl_list_for_each(elem, &anqp->anqp_elems, struct wpa_bss_anqp_elem,
				 list) {
			if (elem->infoid == ANQP_VENUE_URL && elem->protected_response) {
				hidl_anqp_data.venueUrl =
						    misc_utils::convertWpaBufToVector(elem->payload);
				break;
			}
		}

		hidl_hs20_anqp_data.operatorFriendlyName =
		    misc_utils::convertWpaBufToVector(
			anqp->hs20_operator_friendly_name);
		hidl_hs20_anqp_data.wanMetrics =
		    misc_utils::convertWpaBufToVector(anqp->hs20_wan_metrics);
		hidl_hs20_anqp_data.connectionCapability =
		    misc_utils::convertWpaBufToVector(
			anqp->hs20_connection_capability);
		hidl_hs20_anqp_data.osuProvidersList =
		    misc_utils::convertWpaBufToVector(
			anqp->hs20_osu_providers_list);
	}

	callWithEachStaIfaceCallback_1_4(
	    wpa_s->ifname, std::bind(
			       &V1_4::ISupplicantStaIfaceCallback::onAnqpQueryDone_1_4,
			       std::placeholders::_1, bssid, hidl_anqp_data,
			       hidl_hs20_anqp_data));
}

/**
 * Notify all listeners about the end of an HS20 icon query.
 *
 * @param wpa_s |wpa_supplicant| struct corresponding to the interface.
 * @param bssid BSSID of the access point.
 * @param file_name Name of the icon file.
 * @param image Raw bytes of the icon file.
 * @param image_length Size of the the icon file.
 */
void HidlManager::notifyHs20IconQueryDone(
    struct wpa_supplicant *wpa_s, const u8 *bssid, const char *file_name,
    const u8 *image, u32 image_length)
{
	if (!wpa_s || !bssid || !file_name || !image)
		return;

	if (sta_iface_object_map_.find(wpa_s->ifname) ==
	    sta_iface_object_map_.end())
		return;

	callWithEachStaIfaceCallback(
	    wpa_s->ifname,
	    std::bind(
		&ISupplicantStaIfaceCallback::onHs20IconQueryDone,
		std::placeholders::_1, bssid, file_name,
		std::vector<uint8_t>(image, image + image_length)));
}

/**
 * Notify all listeners about the reception of HS20 subscription
 * remediation notification from the server.
 *
 * @param wpa_s |wpa_supplicant| struct corresponding to the interface.
 * @param url URL of the server.
 * @param osu_method OSU method (OMA_DM or SOAP_XML_SPP).
 */
void HidlManager::notifyHs20RxSubscriptionRemediation(
    struct wpa_supplicant *wpa_s, const char *url, u8 osu_method)
{
	if (!wpa_s || !url)
		return;

	if (sta_iface_object_map_.find(wpa_s->ifname) ==
	    sta_iface_object_map_.end())
		return;

	ISupplicantStaIfaceCallback::OsuMethod hidl_osu_method = {};
	if (osu_method & 0x1) {
		hidl_osu_method =
		    ISupplicantStaIfaceCallback::OsuMethod::OMA_DM;
	} else if (osu_method & 0x2) {
		hidl_osu_method =
		    ISupplicantStaIfaceCallback::OsuMethod::SOAP_XML_SPP;
	}
	callWithEachStaIfaceCallback(
	    wpa_s->ifname,
	    std::bind(
		&ISupplicantStaIfaceCallback::onHs20SubscriptionRemediation,
		std::placeholders::_1, wpa_s->bssid, hidl_osu_method, url));
}

/**
 * Notify all listeners about the reception of HS20 imminent deauth
 * notification from the server.
 *
 * @param wpa_s |wpa_supplicant| struct corresponding to the interface.
 * @param code Deauth reason code sent from server.
 * @param reauth_delay Reauthentication delay in seconds sent from server.
 * @param url URL of the server containing the reason text.
 */
void HidlManager::notifyHs20RxDeauthImminentNotice(
    struct wpa_supplicant *wpa_s, u8 code, u16 reauth_delay, const char *url)
{
	if (!wpa_s)
		return;

	if (sta_iface_object_map_.find(wpa_s->ifname) ==
	    sta_iface_object_map_.end())
		return;

	callWithEachStaIfaceCallback(
	    wpa_s->ifname,
	    std::bind(
		&ISupplicantStaIfaceCallback::onHs20DeauthImminentNotice,
		std::placeholders::_1, wpa_s->bssid, code, reauth_delay, url));
}

/**
 * Notify all listeners about the reception of HS20 terms and conditions
 * acceptance notification from the server.
 *
 * @param wpa_s |wpa_supplicant| struct corresponding to the interface.
 * @param url URL of the T&C server.
 */
void HidlManager::notifyHs20RxTermsAndConditionsAcceptance(
    struct wpa_supplicant *wpa_s, const char *url)
{
	if (!wpa_s || !url)
		return;

	if (sta_iface_object_map_.find(wpa_s->ifname)
			== sta_iface_object_map_.end())
		return;

	callWithEachStaIfaceCallback_1_4(wpa_s->ifname,
			std::bind(
					&V1_4::ISupplicantStaIfaceCallback
					::onHs20TermsAndConditionsAcceptanceRequestedNotification,
					std::placeholders::_1, wpa_s->bssid, url));
}

/**
 * Notify all listeners about the reason code for disconnection from the
 * currently connected network.
 *
 * @param wpa_s |wpa_supplicant| struct corresponding to the interface on which
 * the network is present.
 */
void HidlManager::notifyDisconnectReason(struct wpa_supplicant *wpa_s)
{
	if (!wpa_s)
		return;

	if (sta_iface_object_map_.find(wpa_s->ifname) ==
	    sta_iface_object_map_.end())
		return;

	const u8 *bssid = wpa_s->bssid;
	if (is_zero_ether_addr(bssid)) {
		bssid = wpa_s->pending_bssid;
	}

	callWithEachStaIfaceCallback(
	    wpa_s->ifname,
	    std::bind(
		&ISupplicantStaIfaceCallback::onDisconnected,
		std::placeholders::_1, bssid, wpa_s->disconnect_reason < 0,
		static_cast<ISupplicantStaIfaceCallback::ReasonCode>(
		    abs(wpa_s->disconnect_reason))));
}

/**
 * Notify all listeners about association reject from the access point to which
 * we are attempting to connect.
 *
 * @param wpa_s |wpa_supplicant| struct corresponding to the interface on which
 * the network is present.
 * @param bssid bssid of AP that rejected the association.
 * @param timed_out flag to indicate failure is due to timeout
 * (auth, assoc, ...) rather than explicit rejection response from the AP.
 * @param assoc_resp_ie Association response IE.
 * @param assoc_resp_ie_len Association response IE length.
 */
void HidlManager::notifyAssocReject(struct wpa_supplicant *wpa_s,
    const u8 *bssid, u8 timed_out, const u8 *assoc_resp_ie, size_t assoc_resp_ie_len)
{
	std::string hidl_ifname = wpa_s->ifname;
#ifdef CONFIG_MBO
	struct wpa_bss *reject_bss;
#endif /* CONFIG_MBO */
	V1_4::ISupplicantStaIfaceCallback::AssociationRejectionData hidl_assoc_reject_data = {};

	if (!wpa_s)
		return;

	if (sta_iface_object_map_.find(wpa_s->ifname) ==
	    sta_iface_object_map_.end())
		return;
	if (wpa_s->current_ssid) {
		std::vector < uint8_t > hidl_ssid;
		hidl_ssid.assign(
		    wpa_s->current_ssid->ssid,
		    wpa_s->current_ssid->ssid + wpa_s->current_ssid->ssid_len);
		hidl_assoc_reject_data.ssid = hidl_ssid;
	}
	hidl_assoc_reject_data.bssid = bssid;
	hidl_assoc_reject_data.statusCode = static_cast<ISupplicantStaIfaceCallback::StatusCode>(
					    wpa_s->assoc_status_code);
	if (timed_out) {
		hidl_assoc_reject_data.timedOut = true;
	}
#ifdef CONFIG_MBO
	if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) {
		reject_bss = wpa_s->current_bss;
	} else {
		reject_bss = wpa_bss_get_bssid(wpa_s, bssid);
	}
	if (reject_bss && assoc_resp_ie && assoc_resp_ie_len > 0) {
		if (wpa_s->assoc_status_code ==
		    WLAN_STATUS_DENIED_POOR_CHANNEL_CONDITIONS) {
			const u8 *rssi_rej;
			rssi_rej = mbo_get_attr_from_ies(
				    assoc_resp_ie,
				    assoc_resp_ie_len,
				    OCE_ATTR_ID_RSSI_BASED_ASSOC_REJECT);
			if (rssi_rej && rssi_rej[1] == 2) {
				wpa_printf(MSG_INFO,
					   "OCE: RSSI-based association rejection from "
					   MACSTR " Delta RSSI: %u, Retry Delay: %u bss rssi: %d",
					   MAC2STR(reject_bss->bssid),
					   rssi_rej[2], rssi_rej[3], reject_bss->level);
				hidl_assoc_reject_data.isOceRssiBasedAssocRejectAttrPresent = true;
				hidl_assoc_reject_data.oceRssiBasedAssocRejectData.deltaRssi
					    = rssi_rej[2];
				hidl_assoc_reject_data.oceRssiBasedAssocRejectData.retryDelayS
					    = rssi_rej[3];
			}
		} else if (wpa_s->assoc_status_code == WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY
			  || wpa_s->assoc_status_code == WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA) {
			const u8 *assoc_disallowed;
			assoc_disallowed = mbo_get_attr_from_ies(
						    assoc_resp_ie,
						    assoc_resp_ie_len,
						    MBO_ATTR_ID_ASSOC_DISALLOW);
			if (assoc_disallowed && assoc_disallowed[1] == 1) {
				wpa_printf(MSG_INFO,
				    "MBO: association disallowed indication from "
				    MACSTR " Reason: %d",
				    MAC2STR(reject_bss->bssid),
				    assoc_disallowed[2]);
				hidl_assoc_reject_data.isMboAssocDisallowedReasonCodePresent = true;
				hidl_assoc_reject_data.mboAssocDisallowedReason
				    = static_cast<V1_4::ISupplicantStaIfaceCallback
					    ::MboAssocDisallowedReasonCode>(assoc_disallowed[2]);
			}
		}
	}
#endif /* CONFIG_MBO */

	const std::function<
		    Return<void>(android::sp<V1_4::ISupplicantStaIfaceCallback>)>
		    func = std::bind(
		    &V1_4::ISupplicantStaIfaceCallback::onAssociationRejected_1_4,
		    std::placeholders::_1, hidl_assoc_reject_data);
	callWithEachStaIfaceCallbackDerived(hidl_ifname, func);
}

void HidlManager::notifyAuthTimeout(struct wpa_supplicant *wpa_s)
{
	if (!wpa_s)
		return;

	const std::string ifname(wpa_s->ifname);
	if (sta_iface_object_map_.find(ifname) == sta_iface_object_map_.end())
		return;

	const u8 *bssid = wpa_s->bssid;
	if (is_zero_ether_addr(bssid)) {
		bssid = wpa_s->pending_bssid;
	}
	callWithEachStaIfaceCallback(
	    wpa_s->ifname,
	    std::bind(
		&ISupplicantStaIfaceCallback::onAuthenticationTimeout,
		std::placeholders::_1, bssid));
}

void HidlManager::notifyBssidChanged(struct wpa_supplicant *wpa_s)
{
	if (!wpa_s)
		return;

	const std::string ifname(wpa_s->ifname);
	if (sta_iface_object_map_.find(ifname) == sta_iface_object_map_.end())
		return;

	// wpa_supplicant does not explicitly give us the reason for bssid
	// change, but we figure that out from what is set out of |wpa_s->bssid|
	// & |wpa_s->pending_bssid|.
	const u8 *bssid;
	ISupplicantStaIfaceCallback::BssidChangeReason reason;
	if (is_zero_ether_addr(wpa_s->bssid) &&
	    !is_zero_ether_addr(wpa_s->pending_bssid)) {
		bssid = wpa_s->pending_bssid;
		reason =
		    ISupplicantStaIfaceCallback::BssidChangeReason::ASSOC_START;
	} else if (
	    !is_zero_ether_addr(wpa_s->bssid) &&
	    is_zero_ether_addr(wpa_s->pending_bssid)) {
		bssid = wpa_s->bssid;
		reason = ISupplicantStaIfaceCallback::BssidChangeReason::
		    ASSOC_COMPLETE;
	} else if (
	    is_zero_ether_addr(wpa_s->bssid) &&
	    is_zero_ether_addr(wpa_s->pending_bssid)) {
		bssid = wpa_s->pending_bssid;
		reason =
		    ISupplicantStaIfaceCallback::BssidChangeReason::DISASSOC;
	} else {
		wpa_printf(MSG_ERROR, "Unknown bssid change reason");
		return;
	}

	callWithEachStaIfaceCallback(
	    wpa_s->ifname, std::bind(
			       &ISupplicantStaIfaceCallback::onBssidChanged,
			       std::placeholders::_1, reason, bssid));
}

void HidlManager::notifyWpsEventFail(
    struct wpa_supplicant *wpa_s, uint8_t *peer_macaddr, uint16_t config_error,
    uint16_t error_indication)
{
	if (!wpa_s || !peer_macaddr)
		return;

	if (sta_iface_object_map_.find(wpa_s->ifname) ==
	    sta_iface_object_map_.end())
		return;

	callWithEachStaIfaceCallback(
	    wpa_s->ifname,
	    std::bind(
		&ISupplicantStaIfaceCallback::onWpsEventFail,
		std::placeholders::_1, peer_macaddr,
		static_cast<ISupplicantStaIfaceCallback::WpsConfigError>(
		    config_error),
		static_cast<ISupplicantStaIfaceCallback::WpsErrorIndication>(
		    error_indication)));
}

void HidlManager::notifyWpsEventSuccess(struct wpa_supplicant *wpa_s)
{
	if (!wpa_s)
		return;

	if (sta_iface_object_map_.find(wpa_s->ifname) ==
	    sta_iface_object_map_.end())
		return;

	callWithEachStaIfaceCallback(
	    wpa_s->ifname, std::bind(
			       &ISupplicantStaIfaceCallback::onWpsEventSuccess,
			       std::placeholders::_1));
}

void HidlManager::notifyWpsEventPbcOverlap(struct wpa_supplicant *wpa_s)
{
	if (!wpa_s)
		return;

	if (sta_iface_object_map_.find(wpa_s->ifname) ==
	    sta_iface_object_map_.end())
		return;

	callWithEachStaIfaceCallback(
	    wpa_s->ifname,
	    std::bind(
		&ISupplicantStaIfaceCallback::onWpsEventPbcOverlap,
		std::placeholders::_1));
}

void HidlManager::notifyP2pDeviceFound(
    struct wpa_supplicant *wpa_s, const u8 *addr,
    const struct p2p_peer_info *info, const u8 *peer_wfd_device_info,
    u8 peer_wfd_device_info_len, const u8 *peer_wfd_r2_device_info,
    u8 peer_wfd_r2_device_info_len)
{
	if (!wpa_s || !addr || !info)
		return;

	if (p2p_iface_object_map_.find(wpa_s->ifname) ==
	    p2p_iface_object_map_.end())
		return;

	std::array<uint8_t, kWfdDeviceInfoLen> hidl_peer_wfd_device_info{};
	if (peer_wfd_device_info) {
		if (peer_wfd_device_info_len != kWfdDeviceInfoLen) {
			wpa_printf(
			    MSG_ERROR, "Unexpected WFD device info len: %d",
			    peer_wfd_device_info_len);
		} else {
			os_memcpy(
			    hidl_peer_wfd_device_info.data(),
			    peer_wfd_device_info, kWfdDeviceInfoLen);
		}
	}

	std::array<uint8_t, kWfdR2DeviceInfoLen> hidl_peer_wfd_r2_device_info{};
	if (peer_wfd_r2_device_info) {
		if (peer_wfd_r2_device_info_len != kWfdR2DeviceInfoLen) {
			wpa_printf(
			    MSG_ERROR, "Unexpected WFD R2 device info len: %d",
			    peer_wfd_r2_device_info_len);
			return;
		} else {
			os_memcpy(
			    hidl_peer_wfd_r2_device_info.data(),
			    peer_wfd_r2_device_info, kWfdR2DeviceInfoLen);
		}
	}

	if (peer_wfd_r2_device_info_len == kWfdR2DeviceInfoLen) {
		const std::function<
		    Return<void>(android::sp<V1_4::ISupplicantP2pIfaceCallback>)>
		    func = std::bind(
			&ISupplicantP2pIfaceCallbackV1_4::onR2DeviceFound,
			std::placeholders::_1, addr, info->p2p_device_addr,
			info->pri_dev_type, info->device_name, info->config_methods,
			info->dev_capab, info->group_capab, hidl_peer_wfd_device_info,
			hidl_peer_wfd_r2_device_info);
		callWithEachP2pIfaceCallbackDerived(wpa_s->ifname, func);
	} else {
		callWithEachP2pIfaceCallback(
		    wpa_s->ifname,
		    std::bind(
			&ISupplicantP2pIfaceCallback::onDeviceFound,
			std::placeholders::_1, addr, info->p2p_device_addr,
			info->pri_dev_type, info->device_name, info->config_methods,
			info->dev_capab, info->group_capab, hidl_peer_wfd_device_info));
	}
}

void HidlManager::notifyP2pDeviceLost(
    struct wpa_supplicant *wpa_s, const u8 *p2p_device_addr)
{
	if (!wpa_s || !p2p_device_addr)
		return;

	if (p2p_iface_object_map_.find(wpa_s->ifname) ==
	    p2p_iface_object_map_.end())
		return;

	callWithEachP2pIfaceCallback(
	    wpa_s->ifname, std::bind(
			       &ISupplicantP2pIfaceCallback::onDeviceLost,
			       std::placeholders::_1, p2p_device_addr));
}

void HidlManager::notifyP2pFindStopped(struct wpa_supplicant *wpa_s)
{
	if (!wpa_s)
		return;

	if (p2p_iface_object_map_.find(wpa_s->ifname) ==
	    p2p_iface_object_map_.end())
		return;

	callWithEachP2pIfaceCallback(
	    wpa_s->ifname, std::bind(
			       &ISupplicantP2pIfaceCallback::onFindStopped,
			       std::placeholders::_1));
}

void HidlManager::notifyP2pGoNegReq(
    struct wpa_supplicant *wpa_s, const u8 *src_addr, u16 dev_passwd_id,
    u8 /* go_intent */)
{
	if (!wpa_s || !src_addr)
		return;

	if (p2p_iface_object_map_.find(wpa_s->ifname) ==
	    p2p_iface_object_map_.end())
		return;

	callWithEachP2pIfaceCallback(
	    wpa_s->ifname,
	    std::bind(
		&ISupplicantP2pIfaceCallback::onGoNegotiationRequest,
		std::placeholders::_1, src_addr,
		static_cast<ISupplicantP2pIfaceCallback::WpsDevPasswordId>(
		    dev_passwd_id)));
}

void HidlManager::notifyP2pGoNegCompleted(
    struct wpa_supplicant *wpa_s, const struct p2p_go_neg_results *res)
{
	if (!wpa_s || !res)
		return;

	if (p2p_iface_object_map_.find(wpa_s->ifname) ==
	    p2p_iface_object_map_.end())
		return;

	callWithEachP2pIfaceCallback(
	    wpa_s->ifname,
	    std::bind(
		&ISupplicantP2pIfaceCallback::onGoNegotiationCompleted,
		std::placeholders::_1,
		static_cast<ISupplicantP2pIfaceCallback::P2pStatusCode>(
		    res->status)));
}

void HidlManager::notifyP2pGroupFormationFailure(
    struct wpa_supplicant *wpa_s, const char *reason)
{
	if (!wpa_s || !reason)
		return;

	if (p2p_iface_object_map_.find(wpa_s->ifname) ==
	    p2p_iface_object_map_.end())
		return;

	callWithEachP2pIfaceCallback(
	    wpa_s->ifname,
	    std::bind(
		&ISupplicantP2pIfaceCallback::onGroupFormationFailure,
		std::placeholders::_1, reason));
}

void HidlManager::notifyP2pGroupStarted(
    struct wpa_supplicant *wpa_group_s, const struct wpa_ssid *ssid,
    int persistent, int client)
{
	if (!wpa_group_s || !wpa_group_s->parent || !ssid)
		return;

	// For group notifications, need to use the parent iface for callbacks.
	struct wpa_supplicant *wpa_s = getTargetP2pIfaceForGroup(wpa_group_s);
	if (!wpa_s)
		return;

	uint32_t hidl_freq = wpa_group_s->current_bss
				 ? wpa_group_s->current_bss->freq
				 : wpa_group_s->assoc_freq;
	std::array<uint8_t, 32> hidl_psk;
	if (ssid->psk_set) {
		os_memcpy(hidl_psk.data(), ssid->psk, 32);
	}
	bool hidl_is_go = (client == 0 ? true : false);
	bool hidl_is_persistent = (persistent == 1 ? true : false);

	// notify the group device again to ensure the framework knowing this device.
	struct p2p_data *p2p = wpa_s->global->p2p;
	struct p2p_device *dev = p2p_get_device(p2p, wpa_group_s->go_dev_addr);
	if (NULL != dev) {
		wpa_printf(MSG_DEBUG, "P2P: Update GO device on group started.");
		p2p->cfg->dev_found(p2p->cfg->cb_ctx, wpa_group_s->go_dev_addr,
				&dev->info, !(dev->flags & P2P_DEV_REPORTED_ONCE));
		dev->flags |= P2P_DEV_REPORTED | P2P_DEV_REPORTED_ONCE;
	}

	callWithEachP2pIfaceCallback(
	    wpa_s->ifname,
	    std::bind(
		&ISupplicantP2pIfaceCallback::onGroupStarted,
		std::placeholders::_1, wpa_group_s->ifname, hidl_is_go,
		std::vector<uint8_t>{ssid->ssid, ssid->ssid + ssid->ssid_len},
		hidl_freq, hidl_psk, ssid->passphrase, wpa_group_s->go_dev_addr,
		hidl_is_persistent));
}

void HidlManager::notifyP2pGroupRemoved(
    struct wpa_supplicant *wpa_group_s, const struct wpa_ssid *ssid,
    const char *role)
{
	if (!wpa_group_s || !wpa_group_s->parent || !ssid || !role)
		return;

	// For group notifications, need to use the parent iface for callbacks.
	struct wpa_supplicant *wpa_s = getTargetP2pIfaceForGroup(wpa_group_s);
	if (!wpa_s)
		return;

	bool hidl_is_go = (std::string(role) == "GO");

	callWithEachP2pIfaceCallback(
	    wpa_s->ifname,
	    std::bind(
		&ISupplicantP2pIfaceCallback::onGroupRemoved,
		std::placeholders::_1, wpa_group_s->ifname, hidl_is_go));
}

void HidlManager::notifyP2pInvitationReceived(
    struct wpa_supplicant *wpa_s, const u8 *sa, const u8 *go_dev_addr,
    const u8 *bssid, int id, int op_freq)
{
	if (!wpa_s || !sa || !go_dev_addr || !bssid)
		return;

	if (p2p_iface_object_map_.find(wpa_s->ifname) ==
	    p2p_iface_object_map_.end())
		return;

	SupplicantNetworkId hidl_network_id;
	if (id < 0) {
		hidl_network_id = UINT32_MAX;
	}
	hidl_network_id = id;

	callWithEachP2pIfaceCallback(
	    wpa_s->ifname,
	    std::bind(
		&ISupplicantP2pIfaceCallback::onInvitationReceived,
		std::placeholders::_1, sa, go_dev_addr, bssid, hidl_network_id,
		op_freq));
}

void HidlManager::notifyP2pInvitationResult(
    struct wpa_supplicant *wpa_s, int status, const u8 *bssid)
{
	if (!wpa_s)
		return;

	if (p2p_iface_object_map_.find(wpa_s->ifname) ==
	    p2p_iface_object_map_.end())
		return;

	callWithEachP2pIfaceCallback(
	    wpa_s->ifname,
	    std::bind(
		&ISupplicantP2pIfaceCallback::onInvitationResult,
		std::placeholders::_1, bssid ? bssid : kZeroBssid,
		static_cast<ISupplicantP2pIfaceCallback::P2pStatusCode>(
		    status)));
}

void HidlManager::notifyP2pProvisionDiscovery(
    struct wpa_supplicant *wpa_s, const u8 *dev_addr, int request,
    enum p2p_prov_disc_status status, u16 config_methods,
    unsigned int generated_pin)
{
	if (!wpa_s || !dev_addr)
		return;

	if (p2p_iface_object_map_.find(wpa_s->ifname) ==
	    p2p_iface_object_map_.end())
		return;

	std::string hidl_generated_pin;
	if (generated_pin > 0) {
		hidl_generated_pin =
		    misc_utils::convertWpsPinToString(generated_pin);
	}
	bool hidl_is_request = (request == 1 ? true : false);

	callWithEachP2pIfaceCallback(
	    wpa_s->ifname,
	    std::bind(
		&ISupplicantP2pIfaceCallback::onProvisionDiscoveryCompleted,
		std::placeholders::_1, dev_addr, hidl_is_request,
		static_cast<ISupplicantP2pIfaceCallback::P2pProvDiscStatusCode>(
		    status),
		config_methods, hidl_generated_pin));
}

void HidlManager::notifyP2pSdResponse(
    struct wpa_supplicant *wpa_s, const u8 *sa, u16 update_indic,
    const u8 *tlvs, size_t tlvs_len)
{
	if (!wpa_s || !sa || !tlvs)
		return;

	if (p2p_iface_object_map_.find(wpa_s->ifname) ==
	    p2p_iface_object_map_.end())
		return;

	callWithEachP2pIfaceCallback(
	    wpa_s->ifname,
	    std::bind(
		&ISupplicantP2pIfaceCallback::onServiceDiscoveryResponse,
		std::placeholders::_1, sa, update_indic,
		std::vector<uint8_t>{tlvs, tlvs + tlvs_len}));
}

void HidlManager::notifyApStaAuthorized(
    struct wpa_supplicant *wpa_group_s, const u8 *sta, const u8 *p2p_dev_addr)
{
	if (!wpa_group_s || !wpa_group_s->parent || !sta)
		return;
	wpa_supplicant *wpa_s = getTargetP2pIfaceForGroup(wpa_group_s);
	if (!wpa_s)
		return;
	callWithEachP2pIfaceCallback(
	    wpa_s->ifname,
	    std::bind(
		&ISupplicantP2pIfaceCallback::onStaAuthorized,
		std::placeholders::_1, sta,
		p2p_dev_addr ? p2p_dev_addr : kZeroBssid));
}

void HidlManager::notifyApStaDeauthorized(
    struct wpa_supplicant *wpa_group_s, const u8 *sta, const u8 *p2p_dev_addr)
{
	if (!wpa_group_s || !wpa_group_s->parent || !sta)
		return;
	wpa_supplicant *wpa_s = getTargetP2pIfaceForGroup(wpa_group_s);
	if (!wpa_s)
		return;

	callWithEachP2pIfaceCallback(
	    wpa_s->ifname,
	    std::bind(
		&ISupplicantP2pIfaceCallback::onStaDeauthorized,
		std::placeholders::_1, sta,
		p2p_dev_addr ? p2p_dev_addr : kZeroBssid));
}

void HidlManager::notifyExtRadioWorkStart(
    struct wpa_supplicant *wpa_s, uint32_t id)
{
	if (!wpa_s)
		return;

	if (sta_iface_object_map_.find(wpa_s->ifname) ==
	    sta_iface_object_map_.end())
		return;

	callWithEachStaIfaceCallback(
	    wpa_s->ifname,
	    std::bind(
		&ISupplicantStaIfaceCallback::onExtRadioWorkStart,
		std::placeholders::_1, id));
}

void HidlManager::notifyExtRadioWorkTimeout(
    struct wpa_supplicant *wpa_s, uint32_t id)
{
	if (!wpa_s)
		return;

	if (sta_iface_object_map_.find(wpa_s->ifname) ==
	    sta_iface_object_map_.end())
		return;

	callWithEachStaIfaceCallback(
	    wpa_s->ifname,
	    std::bind(
		&ISupplicantStaIfaceCallback::onExtRadioWorkTimeout,
		std::placeholders::_1, id));
}

void HidlManager::notifyEapError(struct wpa_supplicant *wpa_s, int error_code)
{
	if (!wpa_s)
		return;

	callWithEachStaIfaceCallback_1_3(
	    wpa_s->ifname,
	    std::bind(
		&V1_3::ISupplicantStaIfaceCallback::onEapFailure_1_3,
		std::placeholders::_1, error_code));
}

/**
 * Notify listener about a new DPP configuration received success event
 *
 * @param ifname Interface name
 * @param config Configuration object
 */
void HidlManager::notifyDppConfigReceived(struct wpa_supplicant *wpa_s,
		struct wpa_ssid *config)
{
	DppAkm securityAkm;
	char *password;
	std::string hidl_ifname = wpa_s->ifname;

	if ((config->key_mgmt & WPA_KEY_MGMT_SAE) &&
			(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SAE)) {
		securityAkm = DppAkm::SAE;
	} else if (config->key_mgmt & WPA_KEY_MGMT_PSK) {
			securityAkm = DppAkm::PSK;
	} else {
		/* Unsupported AKM */
		wpa_printf(MSG_ERROR, "DPP: Error: Unsupported AKM 0x%X",
				config->key_mgmt);
		notifyDppFailure(wpa_s,
				android::hardware::wifi::supplicant::V1_3::DppFailureCode
				::NOT_SUPPORTED);
		return;
	}

	password = config->passphrase;
	std::vector < uint8_t > hidl_ssid;
	hidl_ssid.assign(config->ssid, config->ssid + config->ssid_len);

	/* At this point, the network is already registered, notify about new
	 * received configuration
	 */
	callWithEachStaIfaceCallback_1_2(hidl_ifname,
			std::bind(
					&V1_2::ISupplicantStaIfaceCallback::onDppSuccessConfigReceived,
					std::placeholders::_1, hidl_ssid, password, config->psk,
					securityAkm));
}

/**
 * Notify listener about a DPP configuration sent success event
 *
 * @param ifname Interface name
 */
void HidlManager::notifyDppConfigSent(struct wpa_supplicant *wpa_s)
{
	std::string hidl_ifname = wpa_s->ifname;

	callWithEachStaIfaceCallback_1_2(hidl_ifname,
			std::bind(&V1_2::ISupplicantStaIfaceCallback::onDppSuccessConfigSent,
					std::placeholders::_1));
}

/**
 * Notify listener about a DPP failure event
 *
 * @param ifname Interface name
 * @param code Status code
 */
void HidlManager::notifyDppFailure(struct wpa_supplicant *wpa_s,
		android::hardware::wifi::supplicant::V1_3::DppFailureCode code) {
	std::string hidl_ifname = wpa_s->ifname;

	notifyDppFailure(wpa_s, code, NULL, NULL, NULL, 0);
}

/**
 * Notify listener about a DPP failure event
 *
 * @param ifname Interface name
 * @param code Status code
 */
void HidlManager::notifyDppFailure(struct wpa_supplicant *wpa_s,
		android::hardware::wifi::supplicant::V1_3::DppFailureCode code,
		const char *ssid, const char *channel_list, unsigned short band_list[],
		int size) {
	std::string hidl_ifname = wpa_s->ifname;
	std::vector<uint16_t> band_list_vec(band_list, band_list + size);

	callWithEachStaIfaceCallback_1_3(hidl_ifname,
			std::bind(&V1_3::ISupplicantStaIfaceCallback::onDppFailure_1_3,
					std::placeholders::_1, code, ssid, channel_list, band_list_vec));
}

/**
 * Notify listener about a DPP progress event
 *
 * @param ifname Interface name
 * @param code Status code
 */
void HidlManager::notifyDppProgress(struct wpa_supplicant *wpa_s,
		android::hardware::wifi::supplicant::V1_3::DppProgressCode code) {
	std::string hidl_ifname = wpa_s->ifname;

	callWithEachStaIfaceCallback_1_3(hidl_ifname,
			std::bind(&V1_3::ISupplicantStaIfaceCallback::onDppProgress_1_3,
					std::placeholders::_1, code));
}

/**
 * Notify listener about a DPP success event
 *
 * @param ifname Interface name
 * @param code Status code
 */
void HidlManager::notifyDppSuccess(struct wpa_supplicant *wpa_s, V1_3::DppSuccessCode code)
{
	std::string hidl_ifname = wpa_s->ifname;

	callWithEachStaIfaceCallback_1_3(hidl_ifname,
			std::bind(&V1_3::ISupplicantStaIfaceCallback::onDppSuccess,
					std::placeholders::_1, code));
}

/**
 * Notify listener about a PMK cache added event
 *
 * @param ifname Interface name
 * @param entry PMK cache entry
 */
void HidlManager::notifyPmkCacheAdded(
    struct wpa_supplicant *wpa_s, struct rsn_pmksa_cache_entry *pmksa_entry)
{
	std::string hidl_ifname = wpa_s->ifname;

	// Serialize PmkCacheEntry into blob.
	std::stringstream ss(
	    std::stringstream::in | std::stringstream::out | std::stringstream::binary);
	misc_utils::serializePmkCacheEntry(ss, pmksa_entry);
	std::vector<uint8_t> serializedEntry(
		std::istreambuf_iterator<char>(ss), {});

	const std::function<
	    Return<void>(android::sp<V1_3::ISupplicantStaIfaceCallback>)>
	    func = std::bind(
		&V1_3::ISupplicantStaIfaceCallback::onPmkCacheAdded,
		std::placeholders::_1, pmksa_entry->expiration, serializedEntry);
	callWithEachStaIfaceCallbackDerived(hidl_ifname, func);
}

#ifdef CONFIG_WNM
V1_3::ISupplicantStaIfaceCallback::BssTmStatusCode convertSupplicantBssTmStatusToHidl(
    enum bss_trans_mgmt_status_code bss_tm_status)
{
	switch (bss_tm_status) {
		case WNM_BSS_TM_ACCEPT:
			return V1_3::ISupplicantStaIfaceCallback::BssTmStatusCode::ACCEPT;
		case WNM_BSS_TM_REJECT_UNSPECIFIED:
			return V1_3::ISupplicantStaIfaceCallback::
			    BssTmStatusCode::REJECT_UNSPECIFIED;
		case WNM_BSS_TM_REJECT_INSUFFICIENT_BEACON:
			return V1_3::ISupplicantStaIfaceCallback::
			    BssTmStatusCode::REJECT_INSUFFICIENT_BEACON;
		case WNM_BSS_TM_REJECT_INSUFFICIENT_CAPABITY:
			return V1_3::ISupplicantStaIfaceCallback::
			    BssTmStatusCode::REJECT_INSUFFICIENT_CAPABITY;
		case WNM_BSS_TM_REJECT_UNDESIRED:
			return V1_3::ISupplicantStaIfaceCallback::
			    BssTmStatusCode::REJECT_BSS_TERMINATION_UNDESIRED;
		case WNM_BSS_TM_REJECT_DELAY_REQUEST:
			return V1_3::ISupplicantStaIfaceCallback::
			    BssTmStatusCode::REJECT_BSS_TERMINATION_DELAY_REQUEST;
		case WNM_BSS_TM_REJECT_STA_CANDIDATE_LIST_PROVIDED:
			return V1_3::ISupplicantStaIfaceCallback::
			    BssTmStatusCode::REJECT_STA_CANDIDATE_LIST_PROVIDED;
		case WNM_BSS_TM_REJECT_NO_SUITABLE_CANDIDATES:
			return V1_3::ISupplicantStaIfaceCallback::
			    BssTmStatusCode::REJECT_NO_SUITABLE_CANDIDATES;
		case WNM_BSS_TM_REJECT_LEAVING_ESS:
			return V1_3::ISupplicantStaIfaceCallback::
			    BssTmStatusCode::REJECT_LEAVING_ESS;
		default:
			return V1_3::ISupplicantStaIfaceCallback::
			    BssTmStatusCode::REJECT_UNSPECIFIED;
	}
}

uint32_t setBssTmDataFlagsMask(struct wpa_supplicant *wpa_s)
{
	uint32_t flags = 0;

	if (wpa_s->wnm_mode & WNM_BSS_TM_REQ_BSS_TERMINATION_INCLUDED) {
		flags |= V1_3::ISupplicantStaIfaceCallback::
		    BssTmDataFlagsMask::WNM_MODE_BSS_TERMINATION_INCLUDED;
	}
	if (wpa_s->wnm_mode & WNM_BSS_TM_REQ_ESS_DISASSOC_IMMINENT) {
		flags |= V1_3::ISupplicantStaIfaceCallback::
		    BssTmDataFlagsMask::WNM_MODE_ESS_DISASSOCIATION_IMMINENT;
	}
	if (wpa_s->wnm_mode & WNM_BSS_TM_REQ_DISASSOC_IMMINENT) {
		flags |= V1_3::ISupplicantStaIfaceCallback::
		    BssTmDataFlagsMask::WNM_MODE_DISASSOCIATION_IMMINENT;
	}
	if (wpa_s->wnm_mode & WNM_BSS_TM_REQ_ABRIDGED) {
		flags |= V1_3::ISupplicantStaIfaceCallback::
		    BssTmDataFlagsMask::WNM_MODE_ABRIDGED;
	}
	if (wpa_s->wnm_mode & WNM_BSS_TM_REQ_PREF_CAND_LIST_INCLUDED) {
		flags |= V1_3::ISupplicantStaIfaceCallback::
		    BssTmDataFlagsMask::WNM_MODE_PREFERRED_CANDIDATE_LIST_INCLUDED;
	}
#ifdef CONFIG_MBO
	if (wpa_s->wnm_mbo_assoc_retry_delay_present) {
		flags |= V1_3::ISupplicantStaIfaceCallback::
		    BssTmDataFlagsMask::MBO_ASSOC_RETRY_DELAY_INCLUDED;
	}
	if (wpa_s->wnm_mbo_trans_reason_present) {
		flags |= V1_3::ISupplicantStaIfaceCallback::
		    BssTmDataFlagsMask::MBO_TRANSITION_REASON_CODE_INCLUDED;
	}
	if (wpa_s->wnm_mbo_cell_pref_present) {
		flags |= V1_3::ISupplicantStaIfaceCallback::
		    BssTmDataFlagsMask::MBO_CELLULAR_DATA_CONNECTION_PREFERENCE_INCLUDED;
	}
#endif
	return flags;
}

uint32_t getBssTmDataAssocRetryDelayMs(struct wpa_supplicant *wpa_s)
{
	uint32_t beacon_int;
	uint32_t duration_ms = 0;

	if (wpa_s->current_bss)
		beacon_int = wpa_s->current_bss->beacon_int;
	else
		beacon_int = 100; /* best guess */

	if (wpa_s->wnm_mode & WNM_BSS_TM_REQ_DISASSOC_IMMINENT) {
		// number of tbtts to milliseconds
		duration_ms = wpa_s->wnm_dissoc_timer * beacon_int * 128 / 125;
	}
	if (wpa_s->wnm_mode & WNM_BSS_TM_REQ_BSS_TERMINATION_INCLUDED) {
		//wnm_bss_termination_duration contains 12 bytes of BSS
		//termination duration subelement. Format of IE is
		// Sub eid | Length | BSS termination TSF | Duration
		//    1	 1	     8		2
		// Duration indicates number of minutes for which BSS is not
		// present.
		duration_ms = WPA_GET_LE16(wpa_s->wnm_bss_termination_duration + 10);
		// minutes to milliseconds
		duration_ms = duration_ms * 60 * 1000;
	}
#ifdef CONFIG_MBO
	if (wpa_s->wnm_mbo_assoc_retry_delay_present) {
		// number of seconds to milliseconds
		duration_ms = wpa_s->wnm_mbo_assoc_retry_delay_sec * 1000;
	}
#endif

	return duration_ms;
}
#endif

/**
 * Notify listener about the status of BSS transition management
 * request frame handling.
 *
 * @param wpa_s |wpa_supplicant| struct corresponding to the interface on which
 * the network is present.
 */
void HidlManager::notifyBssTmStatus(struct wpa_supplicant *wpa_s)
{
#ifdef CONFIG_WNM
	std::string hidl_ifname = wpa_s->ifname;
	V1_3::ISupplicantStaIfaceCallback::BssTmData hidl_bsstm_data = {};

	hidl_bsstm_data.status = convertSupplicantBssTmStatusToHidl(wpa_s->bss_tm_status);
	hidl_bsstm_data.flags = setBssTmDataFlagsMask(wpa_s);
	hidl_bsstm_data.assocRetryDelayMs = getBssTmDataAssocRetryDelayMs(wpa_s);
#ifdef CONFIG_MBO
	if (wpa_s->wnm_mbo_cell_pref_present) {
		hidl_bsstm_data.mboCellPreference = static_cast
		    <V1_3::ISupplicantStaIfaceCallback::MboCellularDataConnectionPrefValue>
		    (wpa_s->wnm_mbo_cell_preference);
	}
	if (wpa_s->wnm_mbo_trans_reason_present) {
		hidl_bsstm_data.mboTransitionReason =
		    static_cast<V1_3::ISupplicantStaIfaceCallback::MboTransitionReasonCode>
		    (wpa_s->wnm_mbo_transition_reason);
	}
#endif

	const std::function<
	    Return<void>(android::sp<V1_3::ISupplicantStaIfaceCallback>)>
	    func = std::bind(
		&V1_3::ISupplicantStaIfaceCallback::onBssTmHandlingDone,
		std::placeholders::_1, hidl_bsstm_data);
	callWithEachStaIfaceCallbackDerived(hidl_ifname, func);
#endif
}

uint32_t setTransitionDisableFlagsMask(u8 bitmap)
{
	uint32_t flags = 0;

	if (bitmap & TRANSITION_DISABLE_WPA3_PERSONAL) {
		flags |= V1_4::ISupplicantStaNetworkCallback::
			TransitionDisableIndication::
			USE_WPA3_PERSONAL;
		bitmap &= ~TRANSITION_DISABLE_WPA3_PERSONAL;
	}
	if (bitmap & TRANSITION_DISABLE_SAE_PK) {
		flags |= V1_4::ISupplicantStaNetworkCallback::
			TransitionDisableIndication::
			USE_SAE_PK;
		bitmap &= ~TRANSITION_DISABLE_SAE_PK;
	}
	if (bitmap & TRANSITION_DISABLE_WPA3_ENTERPRISE) {
		flags |= V1_4::ISupplicantStaNetworkCallback::
			TransitionDisableIndication::
			USE_WPA3_ENTERPRISE;
		bitmap &= ~TRANSITION_DISABLE_WPA3_ENTERPRISE;
	}
	if (bitmap & TRANSITION_DISABLE_ENHANCED_OPEN) {
		flags |= V1_4::ISupplicantStaNetworkCallback::
			TransitionDisableIndication::
			USE_ENHANCED_OPEN;
		bitmap &= ~TRANSITION_DISABLE_ENHANCED_OPEN;
	}

	if (bitmap != 0) {
		wpa_printf(MSG_WARNING, "Unhandled transition disable bit: 0x%x", bitmap);
	}

	return flags;
}

void HidlManager::notifyTransitionDisable(struct wpa_supplicant *wpa_s,
    struct wpa_ssid *ssid, u8 bitmap)
{
	uint32_t flag = setTransitionDisableFlagsMask(bitmap);
	const std::function<
	    Return<void>(android::sp<V1_4::ISupplicantStaNetworkCallback>)>
	    func = std::bind(
		&V1_4::ISupplicantStaNetworkCallback::onTransitionDisable,
		std::placeholders::_1, flag);

	callWithEachStaNetworkCallbackDerived(wpa_s->ifname, ssid->id, func);
}

void HidlManager::notifyNetworkNotFound(struct wpa_supplicant *wpa_s)
{
	std::vector<uint8_t> hidl_ssid;

	if (!wpa_s->current_ssid) {
		wpa_printf(MSG_ERROR, "Current network NULL. Drop WPA_EVENT_NETWORK_NOT_FOUND!");
		return;
	}

	hidl_ssid.assign(
		    wpa_s->current_ssid->ssid,
		    wpa_s->current_ssid->ssid + wpa_s->current_ssid->ssid_len);

	const std::function<
	    Return<void>(android::sp<V1_4::ISupplicantStaIfaceCallback>)>
	    func = std::bind(
		&V1_4::ISupplicantStaIfaceCallback::onNetworkNotFound,
		std::placeholders::_1, hidl_ssid);
	callWithEachStaIfaceCallbackDerived(wpa_s->ifname, func);
}

/**
 * Retrieve the |ISupplicantP2pIface| hidl object reference using the provided
 * ifname.
 *
 * @param ifname Name of the corresponding interface.
 * @param iface_object Hidl reference corresponding to the iface.
 *
 * @return 0 on success, 1 on failure.
 */
int HidlManager::getP2pIfaceHidlObjectByIfname(
    const std::string &ifname, android::sp<ISupplicantP2pIface> *iface_object)
{
	if (ifname.empty() || !iface_object)
		return 1;

	auto iface_object_iter = p2p_iface_object_map_.find(ifname);
	if (iface_object_iter == p2p_iface_object_map_.end())
		return 1;

	*iface_object = iface_object_iter->second;
	return 0;
}

/**
 * Retrieve the |ISupplicantStaIface| hidl object reference using the provided
 * ifname.
 *
 * @param ifname Name of the corresponding interface.
 * @param iface_object Hidl reference corresponding to the iface.
 *
 * @return 0 on success, 1 on failure.
 */
int HidlManager::getStaIfaceHidlObjectByIfname(
    const std::string &ifname, android::sp<V1_1::ISupplicantStaIface> *iface_object)
{
	if (ifname.empty() || !iface_object)
		return 1;

	auto iface_object_iter = sta_iface_object_map_.find(ifname);
	if (iface_object_iter == sta_iface_object_map_.end())
		return 1;

	*iface_object = iface_object_iter->second;
	return 0;
}

/**
 * Retrieve the |ISupplicantP2pNetwork| hidl object reference using the provided
 * ifname and network_id.
 *
 * @param ifname Name of the corresponding interface.
 * @param network_id ID of the corresponding network.
 * @param network_object Hidl reference corresponding to the network.
 *
 * @return 0 on success, 1 on failure.
 */
int HidlManager::getP2pNetworkHidlObjectByIfnameAndNetworkId(
    const std::string &ifname, int network_id,
    android::sp<ISupplicantP2pNetwork> *network_object)
{
	if (ifname.empty() || network_id < 0 || !network_object)
		return 1;

	// Generate the key to be used to lookup the network.
	const std::string network_key =
	    getNetworkObjectMapKey(ifname, network_id);

	auto network_object_iter = p2p_network_object_map_.find(network_key);
	if (network_object_iter == p2p_network_object_map_.end())
		return 1;

	*network_object = network_object_iter->second;
	return 0;
}

/**
 * Retrieve the |ISupplicantStaNetwork| hidl object reference using the provided
 * ifname and network_id.
 *
 * @param ifname Name of the corresponding interface.
 * @param network_id ID of the corresponding network.
 * @param network_object Hidl reference corresponding to the network.
 *
 * @return 0 on success, 1 on failure.
 */
int HidlManager::getStaNetworkHidlObjectByIfnameAndNetworkId(
    const std::string &ifname, int network_id,
    android::sp<V1_3::ISupplicantStaNetwork> *network_object)
{
	if (ifname.empty() || network_id < 0 || !network_object)
		return 1;

	// Generate the key to be used to lookup the network.
	const std::string network_key =
	    getNetworkObjectMapKey(ifname, network_id);

	auto network_object_iter = sta_network_object_map_.find(network_key);
	if (network_object_iter == sta_network_object_map_.end())
		return 1;

	*network_object = network_object_iter->second;
	return 0;
}

/**
 * Add a new |ISupplicantCallback| hidl object reference to our
 * global callback list.
 *
 * @param callback Hidl reference of the |ISupplicantCallback| object.
 *
 * @return 0 on success, 1 on failure.
 */
int HidlManager::addSupplicantCallbackHidlObject(
    const android::sp<ISupplicantCallback> &callback)
{
	return registerForDeathAndAddCallbackHidlObjectToList<
	    ISupplicantCallback>(
	    death_notifier_, callback, supplicant_callbacks_);
}

/**
 * Add a new iface callback hidl object reference to our
 * interface callback list.
 *
 * @param ifname Name of the corresponding interface.
 * @param callback Hidl reference of the callback object.
 *
 * @return 0 on success, 1 on failure.
 */
int HidlManager::addP2pIfaceCallbackHidlObject(
    const std::string &ifname,
    const android::sp<ISupplicantP2pIfaceCallback> &callback)
{
	return addIfaceCallbackHidlObjectToMap(
	    death_notifier_, ifname, callback, p2p_iface_callbacks_map_);
}

/**
 * Add a new iface callback hidl object reference to our
 * interface callback list.
 *
 * @param ifname Name of the corresponding interface.
 * @param callback Hidl reference of the callback object.
 *
 * @return 0 on success, 1 on failure.
 */
int HidlManager::addStaIfaceCallbackHidlObject(
    const std::string &ifname,
    const android::sp<ISupplicantStaIfaceCallback> &callback)
{
	return addIfaceCallbackHidlObjectToMap(
	    death_notifier_, ifname, callback, sta_iface_callbacks_map_);
}

/**
 * Add a new network callback hidl object reference to our network callback
 * list.
 *
 * @param ifname Name of the corresponding interface.
 * @param network_id ID of the corresponding network.
 * @param callback Hidl reference of the callback object.
 *
 * @return 0 on success, 1 on failure.
 */
int HidlManager::addP2pNetworkCallbackHidlObject(
    const std::string &ifname, int network_id,
    const android::sp<ISupplicantP2pNetworkCallback> &callback)
{
	return addNetworkCallbackHidlObjectToMap(
	    death_notifier_, ifname, network_id, callback,
	    p2p_network_callbacks_map_);
}

/**
 * Add a new network callback hidl object reference to our network callback
 * list.
 *
 * @param ifname Name of the corresponding interface.
 * @param network_id ID of the corresponding network.
 * @param callback Hidl reference of the callback object.
 *
 * @return 0 on success, 1 on failure.
 */
int HidlManager::addStaNetworkCallbackHidlObject(
    const std::string &ifname, int network_id,
    const android::sp<ISupplicantStaNetworkCallback> &callback)
{
	return addNetworkCallbackHidlObjectToMap(
	    death_notifier_, ifname, network_id, callback,
	    sta_network_callbacks_map_);
}

/**
 * Finds the correct |wpa_supplicant| object for P2P notifications
 *
 * @param wpa_s the |wpa_supplicant| that triggered the P2P event.
 * @return appropriate |wpa_supplicant| object or NULL if not found.
 */
struct wpa_supplicant *HidlManager::getTargetP2pIfaceForGroup(
	    struct wpa_supplicant *wpa_group_s)
{
	if (!wpa_group_s || !wpa_group_s->parent)
		return NULL;

	struct wpa_supplicant *target_wpa_s = wpa_group_s->parent;

	// check wpa_supplicant object is a p2p device interface
	if ((wpa_group_s == wpa_group_s->p2pdev) && wpa_group_s->p2p_mgmt) {
		if (p2p_iface_object_map_.find(wpa_group_s->ifname) !=
		    p2p_iface_object_map_.end())
			return wpa_group_s;
	}

	if (p2p_iface_object_map_.find(target_wpa_s->ifname) !=
	    p2p_iface_object_map_.end())
		return target_wpa_s;

	// try P2P device if available
	if (!target_wpa_s->p2pdev || !target_wpa_s->p2pdev->p2p_mgmt)
		return NULL;

	target_wpa_s = target_wpa_s->p2pdev;
	if (p2p_iface_object_map_.find(target_wpa_s->ifname) !=
	    p2p_iface_object_map_.end())
		return target_wpa_s;

	return NULL;
}

/**
 * Removes the provided |ISupplicantCallback| hidl object reference
 * from our global callback list.
 *
 * @param callback Hidl reference of the |ISupplicantCallback| object.
 */
void HidlManager::removeSupplicantCallbackHidlObject(
    const android::sp<ISupplicantCallback> &callback)
{
	supplicant_callbacks_.erase(
	    std::remove(
		supplicant_callbacks_.begin(), supplicant_callbacks_.end(),
		callback),
	    supplicant_callbacks_.end());
}

/**
 * Removes the provided iface callback hidl object reference from
 * our interface callback list.
 *
 * @param ifname Name of the corresponding interface.
 * @param callback Hidl reference of the callback object.
 */
void HidlManager::removeP2pIfaceCallbackHidlObject(
    const std::string &ifname,
    const android::sp<ISupplicantP2pIfaceCallback> &callback)
{
	return removeIfaceCallbackHidlObjectFromMap(
	    ifname, callback, p2p_iface_callbacks_map_);
}

/**
 * Removes the provided iface callback hidl object reference from
 * our interface callback list.
 *
 * @param ifname Name of the corresponding interface.
 * @param callback Hidl reference of the callback object.
 */
void HidlManager::removeStaIfaceCallbackHidlObject(
    const std::string &ifname,
    const android::sp<ISupplicantStaIfaceCallback> &callback)
{
	return removeIfaceCallbackHidlObjectFromMap(
	    ifname, callback, sta_iface_callbacks_map_);
}

/**
 * Removes the provided network callback hidl object reference from
 * our network callback list.
 *
 * @param ifname Name of the corresponding interface.
 * @param network_id ID of the corresponding network.
 * @param callback Hidl reference of the callback object.
 */
void HidlManager::removeP2pNetworkCallbackHidlObject(
    const std::string &ifname, int network_id,
    const android::sp<ISupplicantP2pNetworkCallback> &callback)
{
	return removeNetworkCallbackHidlObjectFromMap(
	    ifname, network_id, callback, p2p_network_callbacks_map_);
}

/**
 * Removes the provided network callback hidl object reference from
 * our network callback list.
 *
 * @param ifname Name of the corresponding interface.
 * @param network_id ID of the corresponding network.
 * @param callback Hidl reference of the callback object.
 */
void HidlManager::removeStaNetworkCallbackHidlObject(
    const std::string &ifname, int network_id,
    const android::sp<ISupplicantStaNetworkCallback> &callback)
{
	return removeNetworkCallbackHidlObjectFromMap(
	    ifname, network_id, callback, sta_network_callbacks_map_);
}

/**
 * Helper function to invoke the provided callback method on all the
 * registered |ISupplicantCallback| callback hidl objects.
 *
 * @param method Pointer to the required hidl method from
 * |ISupplicantCallback|.
 */
void HidlManager::callWithEachSupplicantCallback(
    const std::function<Return<void>(android::sp<ISupplicantCallback>)> &method)
{
	for (const auto &callback : supplicant_callbacks_) {
		if (!method(callback).isOk()) {
			wpa_printf(MSG_ERROR, "Failed to invoke HIDL callback");
		}
	}
}

/**
 * Helper fucntion to invoke the provided callback method on all the
 * registered iface callback hidl objects for the specified
 * |ifname|.
 *
 * @param ifname Name of the corresponding interface.
 * @param method Pointer to the required hidl method from
 * |ISupplicantIfaceCallback|.
 */
void HidlManager::callWithEachP2pIfaceCallback(
    const std::string &ifname,
    const std::function<Return<void>(android::sp<ISupplicantP2pIfaceCallback>)>
	&method)
{
	callWithEachIfaceCallback(ifname, method, p2p_iface_callbacks_map_);
}

/**
 * Helper function to invoke the provided callback method on all the
 * registered derived interface callback hidl objects for the specified
 * |ifname|.
 *
 * @param ifname Name of the corresponding interface.
 * @param method Pointer to the required hidl method from
 * derived |V1_x::ISupplicantIfaceCallback|.
 */
template <class CallbackTypeDerived>
void HidlManager::callWithEachP2pIfaceCallbackDerived(
    const std::string &ifname,
    const std::function<
	Return<void>(android::sp<CallbackTypeDerived>)> &method)
{
	callWithEachIfaceCallbackDerived(ifname, method, p2p_iface_callbacks_map_);
}

/**
 * Helper function to invoke the provided callback method on all the
 * registered V1.1 interface callback hidl objects for the specified
 * |ifname|.
 *
 * @param ifname Name of the corresponding interface.
 * @param method Pointer to the required hidl method from
 * |V1_1::ISupplicantIfaceCallback|.
 */
void HidlManager::callWithEachStaIfaceCallback_1_1(
    const std::string &ifname,
    const std::function<
	Return<void>(android::sp<V1_1::ISupplicantStaIfaceCallback>)> &method)
{
	callWithEachIfaceCallbackDerived(ifname, method, sta_iface_callbacks_map_);
}

/**
 * Helper function to invoke the provided callback method on all the
 * registered V1.2 interface callback hidl objects for the specified
 * |ifname|.
 *
 * @param ifname Name of the corresponding interface.
 * @param method Pointer to the required hidl method from
 * |V1_2::ISupplicantIfaceCallback|.
 */
void HidlManager::callWithEachStaIfaceCallback_1_2(
    const std::string &ifname,
    const std::function<
	Return<void>(android::sp<V1_2::ISupplicantStaIfaceCallback>)> &method)
{
	callWithEachIfaceCallbackDerived(ifname, method, sta_iface_callbacks_map_);
}

/**
 * Helper function to invoke the provided callback method on all the
 * registered V1.3 interface callback hidl objects for the specified
 * |ifname|.
 *
 * @param ifname Name of the corresponding interface.
 * @param method Pointer to the required hidl method from
 * |V1_3::ISupplicantIfaceCallback|.
 */
void HidlManager::callWithEachStaIfaceCallback_1_3(
    const std::string &ifname,
    const std::function<
	Return<void>(android::sp<V1_3::ISupplicantStaIfaceCallback>)> &method)
{
	callWithEachIfaceCallbackDerived(ifname, method, sta_iface_callbacks_map_);
}

/**
 * Helper function to invoke the provided callback method on all the
 * registered V1.4 interface callback hidl objects for the specified
 * |ifname|.
 *
 * @param ifname Name of the corresponding interface.
 * @param method Pointer to the required hidl method from
 * |V1_4::ISupplicantIfaceCallback|.
 */
void HidlManager::callWithEachStaIfaceCallback_1_4(
    const std::string &ifname,
    const std::function<
	Return<void>(android::sp<V1_4::ISupplicantStaIfaceCallback>)> &method)
{
	callWithEachIfaceCallbackDerived(ifname, method, sta_iface_callbacks_map_);
}

/**
 * Helper function to invoke the provided callback method on all the
 * registered derived interface callback hidl objects for the specified
 * |ifname|.
 *
 * @param ifname Name of the corresponding interface.
 * @param method Pointer to the required hidl method from
 * derived |V1_x::ISupplicantIfaceCallback|.
 */
template <class CallbackTypeDerived>
void HidlManager::callWithEachStaIfaceCallbackDerived(
    const std::string &ifname,
    const std::function<
	Return<void>(android::sp<CallbackTypeDerived>)> &method)
{
	callWithEachIfaceCallbackDerived(ifname, method, sta_iface_callbacks_map_);
}

/**
 * Helper function to invoke the provided callback method on all the
 * registered interface callback hidl objects for the specified
 * |ifname|.
 *
 * @param ifname Name of the corresponding interface.
 * @param method Pointer to the required hidl method from
 * |ISupplicantIfaceCallback|.
 */
void HidlManager::callWithEachStaIfaceCallback(
    const std::string &ifname,
    const std::function<Return<void>(android::sp<ISupplicantStaIfaceCallback>)>
	&method)
{
	callWithEachIfaceCallback(ifname, method, sta_iface_callbacks_map_);
}

/**
 * Helper function to invoke the provided callback method on all the
 * registered network callback hidl objects for the specified
 * |ifname| & |network_id|.
 *
 * @param ifname Name of the corresponding interface.
 * @param network_id ID of the corresponding network.
 * @param method Pointer to the required hidl method from
 * |ISupplicantP2pNetworkCallback| or |ISupplicantStaNetworkCallback| .
 */
void HidlManager::callWithEachP2pNetworkCallback(
    const std::string &ifname, int network_id,
    const std::function<
	Return<void>(android::sp<ISupplicantP2pNetworkCallback>)> &method)
{
	callWithEachNetworkCallback(
	    ifname, network_id, method, p2p_network_callbacks_map_);
}

/**
 * Helper function to invoke the provided callback method on all the
 * registered network callback hidl objects for the specified
 * |ifname| & |network_id|.
 *
 * @param ifname Name of the corresponding interface.
 * @param network_id ID of the corresponding network.
 * @param method Pointer to the required hidl method from
 * |ISupplicantP2pNetworkCallback| or |ISupplicantStaNetworkCallback| .
 */
void HidlManager::callWithEachStaNetworkCallback(
    const std::string &ifname, int network_id,
    const std::function<
	Return<void>(android::sp<ISupplicantStaNetworkCallback>)> &method)
{
	callWithEachNetworkCallback(
	    ifname, network_id, method, sta_network_callbacks_map_);
}

/**
 * Helper function to invoke the provided callback method on all the
 * registered derived interface callback hidl objects for the specified
 * |ifname|.
 *
 * @param ifname Name of the corresponding interface.
 * @param method Pointer to the required hidl method from
 * derived |V1_x::ISupplicantIfaceCallback|.
 */
template <class CallbackTypeDerived>
void HidlManager::callWithEachStaNetworkCallbackDerived(
    const std::string &ifname, int network_id,
    const std::function<
	Return<void>(android::sp<CallbackTypeDerived>)> &method)
{
	callWithEachNetworkCallbackDerived(ifname, network_id, method, sta_network_callbacks_map_);
}
}  // namespace implementation
}  // namespace V1_4
}  // namespace supplicant
}  // namespace wifi
}  // namespace hardware
}  // namespace android