# Test cases for PASN
# Copyright (C) 2019 Intel Corporation
#
# This software may be distributed under the terms of the BSD license.
# See README for more details.

from remotehost import remote_compatible
import binascii
import os
import time
import logging
logger = logging.getLogger()
import socket
import struct
import subprocess
import re

import hwsim_utils
import hostapd
from wpasupplicant import WpaSupplicant
from utils import *
from hwsim import HWSimRadio
from test_erp import start_erp_as
from test_ap_ft import run_roams, ft_params1, ft_params2

def check_pasn_capab(dev):
    if "PASN" not in dev.get_capability("auth_alg"):
        raise HwsimSkip("PASN not supported")

def pasn_ap_params(akmp="PASN", cipher="CCMP", group="19"):
    params = {"ssid": "test-wpa2-pasn",
              "wpa_passphrase": "12345678",
              "wpa": "2",
              "ieee80211w": "2",
              "wpa_key_mgmt": "WPA-PSK " + akmp,
              "rsn_pairwise": cipher,
              "pasn_groups" : group}

    return params

def start_pasn_ap(apdev, params):
    try:
        return hostapd.add_ap(apdev, params)
    except Exception as e:
        if "Failed to set hostapd parameter wpa_key_mgmt" in str(e) or \
           "Failed to set hostapd parameter force_kdk_derivation" in str(e):
            raise HwsimSkip("PASN not supported")
        raise

def check_pasn_ptk(dev, hapd, cipher, fail_ptk=False, clear_keys=True,
                   require_kdk=False):
    sta_ptksa = dev.get_ptksa(hapd.own_addr(), cipher)
    ap_ptksa = hapd.get_ptksa(dev.own_addr(), cipher)

    # There's no event indicating hostapd has finished
    # processing - so just try once more if it isn't
    # yet available, it might become available still.
    for i in range(10):
        if ap_ptksa:
            break
        time.sleep(0.1)
        ap_ptksa = hapd.get_ptksa(dev.own_addr(), cipher)

    if not (sta_ptksa and ap_ptksa):
        if fail_ptk:
            return
        if not sta_ptksa and not ap_ptksa:
            source = 'both'
        elif sta_ptksa:
            source = 'ap'
        else:
            source = 'sta'
        raise Exception("Could not get PTKSA entry from %s" % source)

    logger.info("sta: TK: %s KDK: %s" % (sta_ptksa['tk'], sta_ptksa['kdk']))
    logger.info("ap : TK: %s KDK: %s" % (ap_ptksa['tk'], ap_ptksa['kdk']))

    if sta_ptksa['tk'] != ap_ptksa['tk'] or sta_ptksa['kdk'] != ap_ptksa['kdk']:
        raise Exception("TK/KDK mismatch")
    if fail_ptk:
        raise Exception("TK/KDK match although key derivation should have failed")
    if require_kdk and sta_ptksa['kdk'] == '':
        raise Exception("KDK was not derived")
    if clear_keys:
        cmd = "PASN_DEAUTH bssid=%s" % hapd.own_addr()
        dev.request(cmd)

        # Wait a little to let the AP process the deauth
        time.sleep(0.2)

        sta_ptksa = dev.get_ptksa(hapd.own_addr(), cipher)
        ap_ptksa = hapd.get_ptksa(dev.own_addr(), cipher)
        if sta_ptksa or ap_ptksa:
            raise Exception("TK/KDK not deleted as expected")

def check_pasn_akmp_cipher(dev, hapd, akmp="PASN", cipher="CCMP",
                           group="19", status=0, fail=0, nid="",
                           fail_ptk=False):
    dev.flush_scan_cache()
    dev.scan(type="ONLY", freq=2412)

    cmd = "PASN_START bssid=%s akmp=%s cipher=%s group=%s" % (hapd.own_addr(), akmp, cipher, group)

    if nid != "":
        cmd += " nid=%s" % nid

    resp = dev.request(cmd)

    if fail:
        if "OK" in resp:
            raise Exception("Unexpected success to start PASN authentication")
        return

    if "OK" not in resp:
        raise Exception("Failed to start PASN authentication")

    ev = dev.wait_event(["PASN-AUTH-STATUS"], 3)
    if not ev:
        raise Exception("PASN: PASN-AUTH-STATUS not seen")

    if hapd.own_addr() + " akmp=" + akmp + ", status=" + str(status) not in ev:
        raise Exception("PASN: unexpected status")

    if status:
        return

    # There is a small window for a race condition here since the hostapd side
    # might not yet have processed the PASN message 3 and added the PTKSA entry,
    # so wait a bit before checking the results.
    time.sleep(0.1)

    check_pasn_ptk(dev, hapd, cipher, fail_ptk)

@remote_compatible
def test_pasn_ccmp(dev, apdev):
    """PASN authentication with WPA2/CCMP AP"""
    check_pasn_capab(dev[0])

    params = pasn_ap_params("PASN", "CCMP", "19")
    hapd = start_pasn_ap(apdev[0], params)

    check_pasn_akmp_cipher(dev[0], hapd, "PASN", "CCMP")

@remote_compatible
def test_pasn_gcmp(dev, apdev):
    """PASN authentication with WPA2/GCMP AP"""
    check_pasn_capab(dev[0])

    params = pasn_ap_params("PASN", "GCMP", "19")
    hapd = start_pasn_ap(apdev[0], params)

    check_pasn_akmp_cipher(dev[0], hapd, "PASN", "GCMP")

@remote_compatible
def test_pasn_ccmp_256(dev, apdev):
    """PASN authentication with WPA2/CCMP256 AP"""
    check_pasn_capab(dev[0])

    params = pasn_ap_params("PASN", "CCMP-256", "19")
    hapd = start_pasn_ap(apdev[0], params)

    check_pasn_akmp_cipher(dev[0], hapd, "PASN", "CCMP-256")

@remote_compatible
def test_pasn_gcmp_256(dev, apdev):
    """PASN authentication with WPA2/GCMP-256 AP"""
    check_pasn_capab(dev[0])

    params = pasn_ap_params("PASN", "GCMP-256", "19")
    hapd = start_pasn_ap(apdev[0], params)

    check_pasn_akmp_cipher(dev[0], hapd, "PASN", "GCMP-256")

@remote_compatible
def test_pasn_group_mismatch(dev, apdev):
    """PASN authentication with WPA2/CCMP AP with group mismatch"""
    check_pasn_capab(dev[0])

    params = pasn_ap_params("PASN", "CCMP", "20")
    hapd = start_pasn_ap(apdev[0], params)

    check_pasn_akmp_cipher(dev[0], hapd, "PASN", "CCMP", status=77)

@remote_compatible
def test_pasn_channel_mismatch(dev, apdev):
    """PASN authentication with WPA2/CCMP AP with channel mismatch"""
    check_pasn_capab(dev[0])

    params = pasn_ap_params("PASN", "CCMP")
    params['channel'] = "6"
    hapd = start_pasn_ap(apdev[0], params)

    check_pasn_akmp_cipher(dev[0], hapd, "PASN", "CCMP", fail=1)

@remote_compatible
def test_pasn_while_connected_same_channel(dev, apdev):
    """PASN authentication with WPA2/CCMP AP while connected same channel"""
    check_pasn_capab(dev[0])

    ssid = "test-wpa2-psk"
    psk = '602e323e077bc63bd80307ef4745b754b0ae0a925c2638ecd13a794b9527b9e6'
    params = hostapd.wpa2_params(ssid=ssid)
    params['wpa_psk'] = psk
    hapd = start_pasn_ap(apdev[0], params)

    dev[0].connect(ssid, raw_psk=psk, scan_freq="2412")

    params = pasn_ap_params("PASN", "CCMP")
    hapd = start_pasn_ap(apdev[1], params)

    check_pasn_akmp_cipher(dev[0], hapd, "PASN", "CCMP")

@remote_compatible
def test_pasn_while_connected_same_ap(dev, apdev):
    """PASN authentication with WPA2/CCMP AP while connected to it"""
    check_pasn_capab(dev[0])

    params = hostapd.wpa2_params(ssid="test-wpa2-psk",
                                 passphrase="12345678")
    hapd = start_pasn_ap(apdev[0], params)

    dev[0].connect("test-wpa2-psk", psk="12345678", scan_freq="2412")

    check_pasn_akmp_cipher(dev[0], hapd, "PASN", "CCMP", fail=1)

@remote_compatible
def test_pasn_while_connected_diff_channel(dev, apdev):
    """PASN authentication with WPA2/CCMP AP while connected diff channel"""
    check_pasn_capab(dev[0])

    with HWSimRadio(n_channels=2) as (radio, iface):
        wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
        wpas.interface_add(iface)

        if wpas.get_mcc() < 2:
            raise HwsimSkip("PASN: New radio does not support MCC")

        params = hostapd.wpa2_params(ssid="test-wpa2-psk",
                                     passphrase="12345678")
        params['channel'] = "6"
        hapd = start_pasn_ap(apdev[0], params)
        wpas.connect("test-wpa2-psk", psk="12345678", scan_freq="2437")

        params = pasn_ap_params("PASN", "CCMP")
        hapd2 = start_pasn_ap(apdev[1], params)

        check_pasn_akmp_cipher(wpas, hapd2, "PASN", "CCMP")

@remote_compatible
def test_pasn_sae_pmksa_cache(dev, apdev):
    """PASN authentication with SAE AP with PMKSA caching"""
    check_pasn_capab(dev[0])
    check_sae_capab(dev[0])

    params = hostapd.wpa2_params(ssid="test-sae",
                                 passphrase="12345678")
    params['wpa_key_mgmt'] = 'SAE PASN'
    params['sae_pwe'] = "2"
    hapd = start_pasn_ap(apdev[0], params)

    try:
        dev[0].set("sae_groups", "19")
        dev[0].set("sae_pwe", "2")
        dev[0].connect("test-sae", psk="12345678", key_mgmt="SAE", scan_freq="2412")

        hapd.wait_sta()
        hwsim_utils.test_connectivity(dev[0], hapd)

        dev[0].request("DISCONNECT")
        dev[0].wait_disconnected()

        check_pasn_akmp_cipher(dev[0], hapd, "SAE", "CCMP")
    finally:
        dev[0].set("sae_pwe", "0")

def check_pasn_fils_pmksa_cache(dev, apdev, params, key_mgmt):
    check_fils_capa(dev[0])
    check_erp_capa(dev[0])
    check_pasn_capab(dev[0])

    start_erp_as(msk_dump=os.path.join(params['logdir'], "msk.lst"))

    bssid = apdev[0]['bssid']
    params = hostapd.wpa2_eap_params(ssid="fils")
    params['wpa_key_mgmt'] = key_mgmt + " PASN"
    params['auth_server_port'] = "18128"
    params['erp_domain'] = 'example.com'
    params['fils_realm'] = 'example.com'
    hapd = start_pasn_ap(apdev[0], params)

    dev[0].scan_for_bss(bssid, freq=2412)
    dev[0].request("ERP_FLUSH")

    id = dev[0].connect("fils", key_mgmt=key_mgmt,
                        eap="PSK", identity="psk.user@example.com",
                        password_hex="0123456789abcdef0123456789abcdef",
                        erp="1", scan_freq="2412")
    pmksa = dev[0].get_pmksa(bssid)
    if pmksa is None:
        raise Exception("No PMKSA cache entry created")

    hapd.wait_sta()
    hwsim_utils.test_connectivity(dev[0], hapd)

    dev[0].request("DISCONNECT")
    dev[0].wait_disconnected()

    check_pasn_akmp_cipher(dev[0], hapd, key_mgmt, "CCMP")

@remote_compatible
def test_pasn_fils_sha256_pmksa_cache(dev, apdev, params):
    """PASN authentication with FILS-SHA256 with PMKSA caching"""
    check_pasn_fils_pmksa_cache(dev, apdev, params, "FILS-SHA256")

@remote_compatible
def test_pasn_fils_sha384_pmksa_cache(dev, apdev, params):
    """PASN authentication with FILS-SHA384 with PMKSA caching"""
    check_pasn_fils_pmksa_cache(dev, apdev, params, "FILS-SHA384")

@remote_compatible
def test_pasn_sae_kdk(dev, apdev):
    """Station authentication with SAE AP with KDK derivation during connection"""
    check_pasn_capab(dev[0])
    check_sae_capab(dev[0])

    try:
        params = hostapd.wpa2_params(ssid="test-sae",
                                     passphrase="12345678")
        params['wpa_key_mgmt'] = 'SAE PASN'
        params['sae_pwe'] = "2"
        params['force_kdk_derivation'] = "1"
        hapd = start_pasn_ap(apdev[0], params)

        dev[0].set("force_kdk_derivation", "1")
        dev[0].set("sae_groups", "")
        dev[0].set("sae_pwe", "2")
        dev[0].connect("test-sae", psk="12345678", key_mgmt="SAE",
                       scan_freq="2412")

        check_pasn_ptk(dev[0], hapd, "CCMP", clear_keys=False)
    finally:
        dev[0].set("force_kdk_derivation", "0")
        dev[0].set("sae_pwe", "0")

def test_pasn_sae_kdk_ft(dev, apdev):
    """Station authentication with SAE AP with KDK derivation during connection with FT protocol"""
    check_pasn_capab(dev[0])
    check_sae_capab(dev[0])

    try:
        params = hostapd.wpa2_params(ssid="test-sae",
                                     passphrase="12345678")
        params['wpa_key_mgmt'] = 'FT-SAE'
        params['sae_pwe'] = "2"
        params['force_kdk_derivation'] = "1"
        params['nas_identifier'] = "nas1.w1.fi"
        params['r1_key_holder'] = "000102030405"
        params['r0kh'] = ["02:00:00:00:03:00 nas1.w1.fi 100102030405060708090a0b0c0d0e0f100102030405060708090a0b0c0d0e0f",
                          "02:00:00:00:04:00 nas2.w1.fi 300102030405060708090a0b0c0d0e0f300102030405060708090a0b0c0d0e0f"]
        params['r1kh'] = "02:00:00:00:04:00 00:01:02:03:04:06 200102030405060708090a0b0c0d0e0f200102030405060708090a0b0c0d0e0f"
        hapd = start_pasn_ap(apdev[0], params)

        dev[0].set("force_kdk_derivation", "1")
        dev[0].set("sae_groups", "")
        dev[0].set("sae_pwe", "2")
        dev[0].connect("test-sae", psk="12345678", key_mgmt="FT-SAE",
                       scan_freq="2412")

        check_pasn_ptk(dev[0], hapd, "CCMP", clear_keys=False)

        params = hostapd.wpa2_params(ssid="test-sae",
                                     passphrase="12345678")
        params['wpa_key_mgmt'] = 'FT-SAE'
        params['sae_pwe'] = "2"
        params['force_kdk_derivation'] = "1"
        params['nas_identifier'] = "nas2.w1.fi"
        params['r1_key_holder'] = "000102030406"
        params['r0kh'] = ["02:00:00:00:03:00 nas1.w1.fi 200102030405060708090a0b0c0d0e0f200102030405060708090a0b0c0d0e0f",
                          "02:00:00:00:04:00 nas2.w1.fi 000102030405060708090a0b0c0d0e0f000102030405060708090a0b0c0d0e0f"]
        params['r1kh'] = "02:00:00:00:03:00 00:01:02:03:04:05 300102030405060708090a0b0c0d0e0f300102030405060708090a0b0c0d0e0f"
        hapd2 = start_pasn_ap(apdev[1], params)

        bssid = hapd2.own_addr()
        dev[0].scan_for_bss(bssid, freq="2412")
        dev[0].roam(bssid)

        check_pasn_ptk(dev[0], hapd2, "CCMP", clear_keys=False)

        bssid = hapd.own_addr()
        dev[0].roam(bssid)

        check_pasn_ptk(dev[0], hapd, "CCMP", clear_keys=False)
    finally:
        dev[0].set("force_kdk_derivation", "0")
        dev[0].set("sae_pwe", "0")

def check_pasn_fils_kdk(dev, apdev, params, key_mgmt):
    check_fils_capa(dev[0])
    check_erp_capa(dev[0])
    check_pasn_capab(dev[0])

    start_erp_as(msk_dump=os.path.join(params['logdir'], "msk.lst"))

    try:
        bssid = apdev[0]['bssid']
        params = hostapd.wpa2_eap_params(ssid="fils")
        params['wpa_key_mgmt'] = key_mgmt
        params['auth_server_port'] = "18128"
        params['erp_domain'] = 'example.com'
        params['fils_realm'] = 'example.com'
        params['disable_pmksa_caching'] = '1'
        params['force_kdk_derivation'] = "1"
        hapd = start_pasn_ap(apdev[0], params)

        dev[0].scan_for_bss(bssid, freq=2412)
        dev[0].request("ERP_FLUSH")
        dev[0].set("force_kdk_derivation", "1")

        id = dev[0].connect("fils", key_mgmt=key_mgmt,
                            eap="PSK", identity="psk.user@example.com",
                            password_hex="0123456789abcdef0123456789abcdef",
                            erp="1", scan_freq="2412")

        hapd.wait_sta()
        hwsim_utils.test_connectivity(dev[0], hapd)

        check_pasn_ptk(dev[0], hapd, "CCMP", clear_keys=False)

        dev[0].request("DISCONNECT")
        dev[0].wait_disconnected()

        dev[0].dump_monitor()
        dev[0].select_network(id, freq=2412)
        ev = dev[0].wait_event(["CTRL-EVENT-EAP-STARTED",
                                "EVENT-ASSOC-REJECT",
                                "CTRL-EVENT-CONNECTED"], timeout=10)
        if ev is None:
            raise Exception("Connection using FILS/ERP timed out")
        if "CTRL-EVENT-EAP-STARTED" in ev:
            raise Exception("Unexpected EAP exchange")
        if "EVENT-ASSOC-REJECT" in ev:
            raise Exception("Association failed")

        hapd.wait_sta()
        hwsim_utils.test_connectivity(dev[0], hapd)

        check_pasn_ptk(dev[0], hapd, "CCMP", clear_keys=False)
    finally:
        dev[0].set("force_kdk_derivation", "0")

@remote_compatible
def test_pasn_fils_sha256_kdk(dev, apdev, params):
    """Station authentication with FILS-SHA256 with KDK derivation during connection"""
    check_pasn_fils_kdk(dev, apdev, params, "FILS-SHA256")

@remote_compatible
def test_pasn_fils_sha384_kdk(dev, apdev, params):
    """Station authentication with FILS-SHA384 with KDK derivation during connection"""
    check_pasn_fils_kdk(dev, apdev, params, "FILS-SHA384")

@remote_compatible
def test_pasn_sae(dev, apdev):
    """PASN authentication with SAE AP with PMK derivation + PMKSA caching"""
    check_pasn_capab(dev[0])
    check_sae_capab(dev[0])

    params = hostapd.wpa2_params(ssid="test-pasn-sae",
                                 passphrase="12345678")
    params['wpa_key_mgmt'] = 'SAE PASN'
    params['sae_pwe'] = "2"
    hapd = start_pasn_ap(apdev[0], params)

    try:
        dev[0].set("sae_pwe", "2")
        dev[0].connect("test-pasn-sae", psk="12345678", key_mgmt="SAE",
                       scan_freq="2412", only_add_network=True)

        # first test with a valid PSK
        check_pasn_akmp_cipher(dev[0], hapd, "SAE", "CCMP", nid="0")

        # And now with PMKSA caching
        check_pasn_akmp_cipher(dev[0], hapd, "SAE", "CCMP")

        # And now with a wrong passphrase
        if "FAIL" in dev[0].request("PMKSA_FLUSH"):
            raise Exception("PMKSA_FLUSH failed")

        dev[0].set_network_quoted(0, "psk", "12345678787")
        check_pasn_akmp_cipher(dev[0], hapd, "SAE", "CCMP", status=1, nid="0")
    finally:
        dev[0].set("sae_pwe", "0")

@remote_compatible
def test_pasn_sae_while_connected_same_channel(dev, apdev):
    """PASN SAE authentication while connected same channel"""
    check_pasn_capab(dev[0])
    check_sae_capab(dev[0])

    params = hostapd.wpa2_params(ssid="test-pasn-wpa2-psk",
                                 passphrase="12345678")
    hapd = hostapd.add_ap(apdev[0], params)

    try:
        dev[0].set("sae_pwe", "2")
        dev[0].connect("test-pasn-wpa2-psk", psk="12345678", scan_freq="2412")

        params = hostapd.wpa2_params(ssid="test-pasn-sae",
                                     passphrase="12345678")

        params['wpa_key_mgmt'] = 'SAE PASN'
        params['sae_pwe'] = "2"
        hapd = start_pasn_ap(apdev[1], params)

        dev[0].connect("test-pasn-sae", psk="12345678", key_mgmt="SAE",
                       scan_freq="2412", only_add_network=True)

        check_pasn_akmp_cipher(dev[0], hapd, "SAE", "CCMP", nid="1")
    finally:
        dev[0].set("sae_pwe", "0")

@remote_compatible
def test_pasn_sae_while_connected_diff_channel(dev, apdev):
    """PASN SAE authentication while connected diff channel"""
    check_pasn_capab(dev[0])
    check_sae_capab(dev[0])

    with HWSimRadio(n_channels=2) as (radio, iface):
        wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
        wpas.interface_add(iface)

        if wpas.get_mcc() < 2:
            raise HwsimSkip("PASN: New radio does not support MCC")

        params = hostapd.wpa2_params(ssid="test-pasn-wpa2-psk",
                                     passphrase="12345678")
        params['channel'] = "6"
        hapd = hostapd.add_ap(apdev[0], params)

        try:
            wpas.set("sae_pwe", "2")
            wpas.connect("test-pasn-wpa2-psk", psk="12345678", scan_freq="2437")

            params = hostapd.wpa2_params(ssid="test-pasn-sae",
                                         passphrase="12345678")

            params['wpa_key_mgmt'] = 'SAE PASN'
            params['sae_pwe'] = "2"
            hapd = start_pasn_ap(apdev[1], params)

            wpas.connect("test-pasn-sae", psk="12345678", key_mgmt="SAE",
                           scan_freq="2412", only_add_network=True)

            check_pasn_akmp_cipher(wpas, hapd, "SAE", "CCMP", nid="1")
        finally:
            wpas.set("sae_pwe", "0")

def pasn_fils_setup(wpas, apdev, params, key_mgmt):
    check_fils_capa(wpas)
    check_erp_capa(wpas)

    wpas.flush_scan_cache()

    start_erp_as(msk_dump=os.path.join(params['logdir'], "msk.lst"))

    bssid = apdev[0]['bssid']
    params = hostapd.wpa2_eap_params(ssid="fils")
    params['wpa_key_mgmt'] = key_mgmt + " PASN"
    params['auth_server_port'] = "18128"
    params['erp_domain'] = 'example.com'
    params['fils_realm'] = 'example.com'
    params['disable_pmksa_caching'] = '1'
    hapd = hostapd.add_ap(apdev[0], params)

    id = wpas.connect("fils", key_mgmt=key_mgmt,
                      eap="PSK", identity="psk.user@example.com",
                      password_hex="0123456789abcdef0123456789abcdef",
                      erp="1", scan_freq="2412")

    wpas.request("DISCONNECT")
    wpas.wait_disconnected()
    wpas.dump_monitor()

    if "FAIL" in wpas.request("PMKSA_FLUSH"):
        raise Exception("PMKSA_FLUSH failed")

    return hapd

def check_pasn_fils(dev, apdev, params, key_mgmt):
    check_pasn_capab(dev[0])

    hapd = pasn_fils_setup(dev[0], apdev, params, key_mgmt);
    check_pasn_akmp_cipher(dev[0], hapd, key_mgmt, "CCMP", nid="0")

@remote_compatible
def test_pasn_fils_sha256(dev, apdev, params):
    """PASN FILS authentication using SHA-256"""
    check_pasn_fils(dev, apdev, params, "FILS-SHA256")

@remote_compatible
def test_pasn_fils_sha384(dev, apdev, params):
    """PASN FILS authentication using SHA-384"""
    check_pasn_fils(dev, apdev, params, "FILS-SHA384")

def check_pasn_fils_connected_same_channel(dev, apdev, params, key_mgmt):
    check_pasn_capab(dev[0])

    hapd = pasn_fils_setup(dev[0], apdev, params, key_mgmt);

    # Connect to another AP on the same channel
    hapd1 = hostapd.add_ap(apdev[1], {"ssid": "open"})
    dev[0].connect("open", key_mgmt="NONE", scan_freq="2412",
                   bg_scan_period="0")

    hwsim_utils.test_connectivity(dev[0], hapd1)

    # And perform the PASN authentication with FILS
    check_pasn_akmp_cipher(dev[0], hapd, key_mgmt, "CCMP", nid="0")

@remote_compatible
def test_pasn_fils_sha256_connected_same_channel(dev, apdev, params):
    """PASN FILS authentication using SHA-256 while connected same channel"""
    check_pasn_fils_connected_same_channel(dev, apdev, params, "FILS-SHA256")

@remote_compatible
def test_pasn_fils_sha384_connected_same_channel(dev, apdev, params):
    """PASN FILS authentication using SHA-384 while connected same channel"""
    check_pasn_fils_connected_same_channel(dev, apdev, params, "FILS-SHA384")

def check_pasn_fils_connected_diff_channel(dev, apdev, params, key_mgmt):
    check_pasn_capab(dev[0])

    with HWSimRadio(n_channels=2) as (radio, iface):
        wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
        wpas.interface_add(iface)
        if wpas.get_mcc() < 2:
           raise Exception("New radio does not support MCC")

        hapd = pasn_fils_setup(wpas, apdev, params, key_mgmt);

        # Connect to another AP on a different channel
        hapd1 = hostapd.add_ap(apdev[1], {"ssid": "open", "channel" : "6"})
        wpas.connect("open", key_mgmt="NONE", scan_freq="2437",
                bg_scan_period="0")

        hwsim_utils.test_connectivity(wpas, hapd1)

        # And perform the PASN authentication with FILS
        check_pasn_akmp_cipher(wpas, hapd, key_mgmt, "CCMP", nid="0")

@remote_compatible
def test_pasn_fils_sha256_connected_diff_channel(dev, apdev, params):
    """PASN FILS authentication using SHA-256 while connected diff channel"""
    check_pasn_fils_connected_diff_channel(dev, apdev, params, "FILS-SHA256")

@remote_compatible
def test_pasn_fils_sha384_connected_diff_channel(dev, apdev, params):
    """PASN FILS authentication using SHA-384 while connected diff channel"""
    check_pasn_fils_connected_diff_channel(dev, apdev, params, "FILS-SHA384")

def test_pasn_ft_psk(dev, apdev):
    """PASN authentication with FT-PSK"""
    check_pasn_capab(dev[0])

    ssid = "test-pasn-ft-psk"
    passphrase = "12345678"

    params = ft_params1(ssid=ssid, passphrase=passphrase)
    params['wpa_key_mgmt'] += " PASN"
    hapd0 = hostapd.add_ap(apdev[0], params)
    params = ft_params2(ssid=ssid, passphrase=passphrase)
    params['wpa_key_mgmt'] += " PASN"
    hapd1 = hostapd.add_ap(apdev[1], params)

    run_roams(dev[0], apdev, hapd0, hapd1, ssid, passphrase)

    if dev[0].get_status_field('bssid') == apdev[0]['bssid']:
        pasn_hapd = hapd1
    else:
        pasn_hapd = hapd0

    check_pasn_akmp_cipher(dev[0], pasn_hapd, "FT-PSK", "CCMP")

    run_roams(dev[0], apdev, hapd0, hapd1, ssid, passphrase, only_one_way=1)

    if dev[0].get_status_field('bssid') == apdev[0]['bssid']:
        pasn_hapd = hapd1
    else:
        pasn_hapd = hapd0

    check_pasn_akmp_cipher(dev[0], pasn_hapd, "FT-PSK", "CCMP")

def test_pasn_ft_eap(dev, apdev):
    """PASN authentication with FT-EAP"""
    check_pasn_capab(dev[0])

    ssid = "test-pasn-ft-psk"
    passphrase = "12345678"
    identity = "gpsk user"

    radius = hostapd.radius_params()
    params = ft_params1(ssid=ssid, passphrase=passphrase)
    params['wpa_key_mgmt'] = "FT-EAP PASN"
    params["ieee8021x"] = "1"
    params = dict(list(radius.items()) + list(params.items()))
    hapd0 = hostapd.add_ap(apdev[0], params)

    params = ft_params2(ssid=ssid, passphrase=passphrase)
    params['wpa_key_mgmt'] = "FT-EAP PASN"
    params["ieee8021x"] = "1"
    params = dict(list(radius.items()) + list(params.items()))
    hapd1 = hostapd.add_ap(apdev[1], params)

    run_roams(dev[0], apdev, hapd0, hapd1, ssid, passphrase, eap=True,
              eap_identity=identity)

    if dev[0].get_status_field('bssid') == apdev[0]['bssid']:
        pasn_hapd = hapd1
    else:
        pasn_hapd = hapd0

    check_pasn_akmp_cipher(dev[0], pasn_hapd, "FT-EAP", "CCMP")

def test_pasn_ft_eap_sha384(dev, apdev):
    """PASN authentication with FT-EAP-SHA-384"""
    check_pasn_capab(dev[0])

    ssid = "test-pasn-ft-psk"
    passphrase = "12345678"
    identity = "gpsk user"

    radius = hostapd.radius_params()
    params = ft_params1(ssid=ssid, passphrase=passphrase)
    params["ieee80211w"] = "2"
    params['wpa_key_mgmt'] = "FT-EAP-SHA384 PASN"
    params["ieee8021x"] = "1"
    params = dict(list(radius.items()) + list(params.items()))
    hapd0 = hostapd.add_ap(apdev[0], params)

    params = ft_params2(ssid=ssid, passphrase=passphrase)
    params["ieee80211w"] = "2"
    params['wpa_key_mgmt'] = "FT-EAP-SHA384 PASN"
    params["ieee8021x"] = "1"
    params = dict(list(radius.items()) + list(params.items()))
    hapd1 = hostapd.add_ap(apdev[1], params)

    run_roams(dev[0], apdev, hapd0, hapd1, ssid, passphrase, eap=True,
              sha384=True)

    if dev[0].get_status_field('bssid') == apdev[0]['bssid']:
        pasn_hapd = hapd1
    else:
        pasn_hapd = hapd0

    check_pasn_akmp_cipher(dev[0], pasn_hapd, "FT-EAP-SHA384", "CCMP")

def test_pasn_sta_mic_error(dev, apdev):
    """PASN authentication with WPA2/CCMP AP with corrupted MIC on station"""
    check_pasn_capab(dev[0])

    params = pasn_ap_params("PASN", "CCMP", "19")
    hapd = hostapd.add_ap(apdev[0], params)

    try:
        # When forcing MIC corruption, the exchange would be still successful
        # on the station side, but the AP would fail the exchange and would not
        # store the keys.
        dev[0].set("pasn_corrupt_mic", "1")
        check_pasn_akmp_cipher(dev[0], hapd, "PASN", "CCMP", fail_ptk=True)
    finally:
        dev[0].set("pasn_corrupt_mic", "0")

    # Now verify the successful case
    check_pasn_akmp_cipher(dev[0], hapd, "PASN", "CCMP")

def test_pasn_ap_mic_error(dev, apdev):
    """PASN authentication with WPA2/CCMP AP with corrupted MIC on AP"""
    check_pasn_capab(dev[0])

    params = pasn_ap_params("PASN", "CCMP", "19")
    hapd0 = hostapd.add_ap(apdev[0], params)

    params['pasn_corrupt_mic'] = "1"
    hapd1 = hostapd.add_ap(apdev[1], params)

    check_pasn_akmp_cipher(dev[0], hapd1, "PASN", "CCMP", status=1)
    check_pasn_akmp_cipher(dev[0], hapd0, "PASN", "CCMP")

@remote_compatible
def test_pasn_comeback(dev, apdev, params):
    """PASN authentication with comeback flow"""
    check_pasn_capab(dev[0])

    params = pasn_ap_params("PASN", "CCMP", "19")
    params['sae_anti_clogging_threshold'] = '0'
    hapd = hostapd.add_ap(apdev[0], params)
    bssid = hapd.own_addr()

    dev[0].scan(type="ONLY", freq=2412)
    cmd = "PASN_START bssid=%s akmp=PASN cipher=CCMP group=19" % bssid

    resp = dev[0].request(cmd)
    if "OK" not in resp:
        raise Exception("Failed to start PASN authentication")

    ev = dev[0].wait_event(["PASN-AUTH-STATUS"], 3)
    if not ev:
        raise Exception("PASN: PASN-AUTH-STATUS not seen")

    if bssid + " akmp=PASN, status=30 comeback_after=" not in ev:
        raise Exception("PASN: unexpected status")

    comeback = re.split("comeback=", ev)[1]

    cmd = "PASN_START bssid=%s akmp=PASN cipher=CCMP group=19 comeback=%s" % \
            (bssid, comeback)

    resp = dev[0].request(cmd)
    if "OK" not in resp:
        raise Exception("Failed to start PASN authentication")

    ev = dev[0].wait_event(["PASN-AUTH-STATUS"], 3)
    if not ev:
        raise Exception("PASN: PASN-AUTH-STATUS not seen")

    if bssid + " akmp=PASN, status=0" not in ev:
        raise Exception("PASN: unexpected status with comeback token")

    check_pasn_ptk(dev[0], hapd, "CCMP")

@remote_compatible
def test_pasn_comeback_after_0(dev, apdev, params):
    """PASN authentication with comeback flow with comeback after set to 0"""
    check_pasn_capab(dev[0])

    params = pasn_ap_params("PASN", "CCMP", "19")
    params['anti_clogging_threshold'] = '0'
    params['pasn_comeback_after'] = '0'
    hapd = start_pasn_ap(apdev[0], params)

    check_pasn_akmp_cipher(dev[0], hapd, "PASN", "CCMP")

@remote_compatible
def test_pasn_comeback_after_0_sae(dev, apdev):
    """PASN authentication with SAE, with comeback flow where comeback after is set to 0"""
    check_pasn_capab(dev[0])
    check_sae_capab(dev[0])

    params = hostapd.wpa2_params(ssid="test-pasn-sae",
                                 passphrase="12345678")
    params['wpa_key_mgmt'] = 'SAE PASN'
    params['anti_clogging_threshold'] = '0'
    params['pasn_comeback_after'] = '0'
    params['sae_pwe'] = "2"
    hapd = start_pasn_ap(apdev[0], params)

    try:
        dev[0].set("sae_pwe", "2")
        dev[0].connect("test-pasn-sae", psk="12345678", key_mgmt="SAE",
                       scan_freq="2412", only_add_network=True)

        # first test with a valid PSK
        check_pasn_akmp_cipher(dev[0], hapd, "SAE", "CCMP", nid="0")

        # And now with PMKSA caching
        check_pasn_akmp_cipher(dev[0], hapd, "SAE", "CCMP")

        # And now with a wrong passphrase
        if "FAIL" in dev[0].request("PMKSA_FLUSH"):
            raise Exception("PMKSA_FLUSH failed")

        dev[0].set_network_quoted(0, "psk", "12345678787")
        check_pasn_akmp_cipher(dev[0], hapd, "SAE", "CCMP", status=1, nid="0")
    finally:
        dev[0].set("sae_pwe", "0")

@remote_compatible
def test_pasn_comeback_multi(dev, apdev):
    """PASN authentication with SAE, with multiple stations with comeback"""
    check_pasn_capab(dev[0])
    check_sae_capab(dev[0])

    params = hostapd.wpa2_params(ssid="test-pasn-sae",
                                 passphrase="12345678")
    params['wpa_key_mgmt'] = 'SAE PASN'
    params['anti_clogging_threshold'] = '1'
    params['pasn_comeback_after'] = '0'
    hapd = start_pasn_ap(apdev[0], params)
    bssid = hapd.own_addr()

    id = {}
    for i in range(0, 2):
        dev[i].flush_scan_cache()
        dev[i].scan(type="ONLY", freq=2412)
        id[i] = dev[i].connect("test-pasn-sae", psk="12345678", key_mgmt="SAE",
                               scan_freq="2412", only_add_network=True)

    for i in range(0, 2):
        cmd = "PASN_START bssid=%s akmp=PASN cipher=CCMP group=19, nid=%s" % (bssid, id[i])
        resp = dev[i].request(cmd)

        if "OK" not in resp:
            raise Exception("Failed to start pasn authentication")

    for i in range(0, 2):
        ev = dev[i].wait_event(["PASN-AUTH-STATUS"], 3)
        if not ev:
            raise Exception("PASN: PASN-AUTH-STATUS not seen")

        if bssid + " akmp=PASN, status=0" not in ev:
            raise Exception("PASN: unexpected status")

        check_pasn_ptk(dev[i], hapd, "CCMP")

def test_pasn_kdk_derivation(dev, apdev):
    """PASN authentication with forced KDK derivation"""
    check_pasn_capab(dev[0])

    params = pasn_ap_params("PASN", "CCMP", "19")
    hapd0 = start_pasn_ap(apdev[0], params)

    params['force_kdk_derivation'] = "1"
    hapd1 = start_pasn_ap(apdev[1], params)

    try:
        check_pasn_akmp_cipher(dev[0], hapd0, "PASN", "CCMP")
        dev[0].set("force_kdk_derivation", "1")
        check_pasn_akmp_cipher(dev[0], hapd1, "PASN", "CCMP")
    finally:
        dev[0].set("force_kdk_derivation", "0")

def test_pasn_sae_kdk_secure_ltf(dev, apdev):
    """Station authentication with SAE AP with KDK derivation during connection based on Secure LTF support"""
    params = hostapd.wpa2_params(ssid="test-sae",
                                 passphrase="12345678")
    params['wpa_key_mgmt'] = 'SAE'
    params['sae_pwe'] = "2"
    params['driver_params'] = "secure_ltf=1"
    hapd = start_pasn_ap(apdev[0], params)

    wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
    wpas.interface_add("wlan5", drv_params="secure_ltf=1")
    check_pasn_capab(wpas)
    check_sae_capab(wpas)

    try:
        wpas.set("sae_groups", "")
        wpas.set("sae_pwe", "2")
        wpas.connect("test-sae", psk="12345678", key_mgmt="SAE",
                     scan_freq="2412")

        check_pasn_ptk(wpas, hapd, "CCMP", clear_keys=False, require_kdk=True)
    finally:
        wpas.set("sae_pwe", "0")

def test_pasn_owe_kdk_secure_ltf(dev, apdev):
    """Station authentication with OWE AP with KDK derivation during connection based on Secure LTF support"""
    params = {"ssid": "owe",
              "wpa": "2",
              "ieee80211w": "2",
              "wpa_key_mgmt": "OWE",
              "rsn_pairwise": "CCMP"}
    params['driver_params'] = "secure_ltf=1"
    hapd = start_pasn_ap(apdev[0], params)

    wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
    wpas.interface_add("wlan5", drv_params="secure_ltf=1")
    check_pasn_capab(wpas)
    if "OWE" not in wpas.get_capability("key_mgmt"):
        raise HwsimSkip("OWE not supported")

    wpas.connect("owe", key_mgmt="OWE", ieee80211w="2", scan_freq="2412")

    check_pasn_ptk(wpas, hapd, "CCMP", clear_keys=False, require_kdk=True)

def test_pasn_owe_tm_kdk_secure_ltf(dev, apdev):
    """Station authentication with OWE transition mode AP with KDK derivation during connection based on Secure LTF support"""
    params = {"ssid": "owe-random",
              "wpa": "2",
              "ieee80211w": "2",
              "wpa_key_mgmt": "OWE",
              "rsn_pairwise": "CCMP",
              "owe_transition_bssid": apdev[1]['bssid'],
              "owe_transition_ssid": '"owe-test"',
              "ignore_broadcast_ssid": "1",
              'driver_params': "secure_ltf=1"}
    hapd = start_pasn_ap(apdev[0], params)
    bssid = hapd.own_addr()

    params = {"ssid": "owe-test",
              "owe_transition_bssid": apdev[0]['bssid'],
              "owe_transition_ssid": '"owe-random"',
              'driver_params': "secure_ltf=1"}
    hapd2 = hostapd.add_ap(apdev[1], params)
    bssid2 = hapd2.own_addr()

    wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
    wpas.interface_add("wlan5", drv_params="secure_ltf=1")
    check_pasn_capab(wpas)
    if "OWE" not in wpas.get_capability("key_mgmt"):
        raise HwsimSkip("OWE not supported")
    wpas.flush_scan_cache()

    wpas.scan_for_bss(bssid, freq="2412")
    wpas.scan_for_bss(bssid2, freq="2412")

    wpas.connect("owe-test", key_mgmt="OWE", ieee80211w="2", scan_freq="2412")

    check_pasn_ptk(wpas, hapd, "CCMP", clear_keys=False, require_kdk=True)

    wpas.scan(type="ONLY", freq=2412)

    wpas.request("DISCONNECT")
    wpas.wait_disconnected()
    wpas.request("RECONNECT")
    wpas.wait_connected()
    check_pasn_ptk(wpas, hapd, "CCMP", clear_keys=False, require_kdk=True)

def test_pasn_noauth_0(dev, apdev):
    """PASN without mutual authentication disabled on the AP"""
    check_pasn_capab(dev[0])

    params = pasn_ap_params("PASN", "CCMP", "19")
    params["pasn_noauth"] = "0"
    hapd = start_pasn_ap(apdev[0], params)

    check_pasn_akmp_cipher(dev[0], hapd, "PASN", "CCMP", status=1)

def test_pasn_sae_driver(dev, apdev):
    """PASN authentication using driver event as trigger"""
    check_pasn_capab(dev[0])
    check_sae_capab(dev[0])

    params = hostapd.wpa2_params(ssid="test-pasn-sae",
                                 passphrase="12345678")
    params['ieee80211w'] = "2"
    params['wpa_key_mgmt'] = 'SAE SAE-EXT-KEY PASN'
    params['sae_pwe'] = "2"
    hapd = start_pasn_ap(apdev[0], params)
    bssid = hapd.own_addr()

    params = hostapd.wpa2_params(ssid="test-pasn-sae",
                                 passphrase="12345678")
    params['wpa_key_mgmt'] = 'SAE PASN'
    params['sae_pwe'] = "0"
    hapd2 = start_pasn_ap(apdev[1], params)
    bssid2 = hapd2.own_addr()

    dev[0].scan_for_bss(bssid, freq=2412)
    dev[0].scan_for_bss(bssid2, freq=2412)

    try:
        dev[0].set("sae_pwe", "2")
        cmd = f"PASN_DRIVER auth {bssid} 02:11:22:33:44:55 {bssid2}"
        if "OK" not in dev[0].request(cmd):
            raise Exception("PASN_DRIVER failed")

        ev = dev[0].wait_event(["PASN-AUTH-STATUS"], timeout=10)
        if ev is None:
            raise Exception("No PASN-AUTH-STATUS event (1)")
        if f"{bssid} akmp=PASN, status=0" not in ev:
            raise Exception("Unexpected event 1 contents: " + ev)

        ev = dev[0].wait_event(["PASN-AUTH-STATUS"], timeout=10)
        if ev is None:
            raise Exception("No PASN-AUTH-STATUS event (2)")
        if f"{bssid2} akmp=PASN, status=0" not in ev:
            raise Exception("Unexpected event 2 contents: " + ev)

        hapd2.disable()
        time.sleep(1)
        dev[0].dump_monitor()

        if "OK" not in dev[0].request(cmd):
            raise Exception("PASN_DRIVER failed")

        ev = dev[0].wait_event(["PASN-AUTH-STATUS"], timeout=10)
        if ev is None:
            raise Exception("No PASN-AUTH-STATUS event (1b)")
        if f"{bssid} akmp=PASN, status=0" not in ev:
            raise Exception("Unexpected event 1b contents: " + ev)

        ev = dev[0].wait_event(["PASN-AUTH-STATUS"], timeout=10)
        if ev is None:
            raise Exception("No PASN-AUTH-STATUS event (2b)")
        if f"{bssid2} akmp=PASN, status=1" not in ev:
            raise Exception("Unexpected event 2b contents: " + ev)
    finally:
        dev[0].set("sae_pwe", "0")
