mirror of
https://github.com/vanhoefm/fragattacks.git
synced 2024-11-25 16:58:41 -05:00
210 lines
8.1 KiB
Python
210 lines
8.1 KiB
Python
# Cipher suite tests
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# Copyright (c) 2013-2015, Jouni Malinen <j@w1.fi>
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#
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# This software may be distributed under the terms of the BSD license.
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# See README for more details.
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import time
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import logging
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logger = logging.getLogger()
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import os.path
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import hwsim_utils
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import hostapd
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from utils import HwsimSkip, skip_with_fips
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from wlantest import Wlantest
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def check_cipher(dev, ap, cipher):
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if cipher not in dev.get_capability("pairwise"):
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raise HwsimSkip("Cipher %s not supported" % cipher)
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params = { "ssid": "test-wpa2-psk",
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"wpa_passphrase": "12345678",
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"wpa": "2",
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"wpa_key_mgmt": "WPA-PSK",
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"rsn_pairwise": cipher }
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hapd = hostapd.add_ap(ap['ifname'], params)
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dev.connect("test-wpa2-psk", psk="12345678",
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pairwise=cipher, group=cipher, scan_freq="2412")
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hwsim_utils.test_connectivity(dev, hapd)
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def check_group_mgmt_cipher(dev, ap, cipher):
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wt = Wlantest()
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wt.flush()
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wt.add_passphrase("12345678")
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if cipher not in dev.get_capability("group_mgmt"):
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raise HwsimSkip("Cipher %s not supported" % cipher)
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params = { "ssid": "test-wpa2-psk-pmf",
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"wpa_passphrase": "12345678",
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"wpa": "2",
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"ieee80211w": "2",
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"wpa_key_mgmt": "WPA-PSK-SHA256",
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"rsn_pairwise": "CCMP",
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"group_mgmt_cipher": cipher }
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hapd = hostapd.add_ap(ap['ifname'], params)
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dev.connect("test-wpa2-psk-pmf", psk="12345678", ieee80211w="2",
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key_mgmt="WPA-PSK-SHA256",
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pairwise="CCMP", group="CCMP", scan_freq="2412")
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hwsim_utils.test_connectivity(dev, hapd)
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hapd.request("DEAUTHENTICATE ff:ff:ff:ff:ff:ff")
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dev.wait_disconnected()
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if wt.get_bss_counter('valid_bip_mmie', ap['bssid']) < 1:
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raise Exception("No valid BIP MMIE seen")
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if wt.get_bss_counter('bip_deauth', ap['bssid']) < 1:
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raise Exception("No valid BIP deauth seen")
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if cipher == "AES-128-CMAC":
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group_mgmt = "BIP"
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else:
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group_mgmt = cipher
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res = wt.info_bss('group_mgmt', ap['bssid']).strip()
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if res != group_mgmt:
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raise Exception("Unexpected group mgmt cipher: " + res)
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def test_ap_cipher_tkip(dev, apdev):
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"""WPA2-PSK/TKIP connection"""
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skip_with_fips(dev[0])
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check_cipher(dev[0], apdev[0], "TKIP")
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def test_ap_cipher_tkip_countermeasures_ap(dev, apdev):
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"""WPA-PSK/TKIP countermeasures (detected by AP)"""
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skip_with_fips(dev[0])
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testfile = "/sys/kernel/debug/ieee80211/%s/netdev:%s/tkip_mic_test" % (dev[0].get_driver_status_field("phyname"), dev[0].ifname)
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if not os.path.exists(testfile):
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raise HwsimSkip("tkip_mic_test not supported in mac80211")
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params = { "ssid": "tkip-countermeasures",
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"wpa_passphrase": "12345678",
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"wpa": "1",
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"wpa_key_mgmt": "WPA-PSK",
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"wpa_pairwise": "TKIP" }
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hapd = hostapd.add_ap(apdev[0]['ifname'], params)
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dev[0].connect("tkip-countermeasures", psk="12345678",
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pairwise="TKIP", group="TKIP", scan_freq="2412")
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dev[0].dump_monitor()
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with open(testfile, "w") as f:
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f.write(apdev[0]['bssid'])
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ev = dev[0].wait_event(["CTRL-EVENT-DISCONNECTED"], timeout=1)
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if ev is not None:
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raise Exception("Unexpected disconnection on first Michael MIC failure")
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with open(testfile, "w") as f:
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f.write("ff:ff:ff:ff:ff:ff")
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ev = dev[0].wait_disconnected(timeout=10,
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error="No disconnection after two Michael MIC failures")
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if "reason=14" not in ev:
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raise Exception("Unexpected disconnection reason: " + ev)
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ev = dev[0].wait_event(["CTRL-EVENT-CONNECTED"], timeout=1)
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if ev is not None:
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raise Exception("Unexpected connection during TKIP countermeasures")
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def test_ap_cipher_tkip_countermeasures_sta(dev, apdev):
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"""WPA-PSK/TKIP countermeasures (detected by STA)"""
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skip_with_fips(dev[0])
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params = { "ssid": "tkip-countermeasures",
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"wpa_passphrase": "12345678",
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"wpa": "1",
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"wpa_key_mgmt": "WPA-PSK",
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"wpa_pairwise": "TKIP" }
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hapd = hostapd.add_ap(apdev[0]['ifname'], params)
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testfile = "/sys/kernel/debug/ieee80211/%s/netdev:%s/tkip_mic_test" % (hapd.get_driver_status_field("phyname"), apdev[0]['ifname'])
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if not os.path.exists(testfile):
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raise HwsimSkip("tkip_mic_test not supported in mac80211")
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dev[0].connect("tkip-countermeasures", psk="12345678",
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pairwise="TKIP", group="TKIP", scan_freq="2412")
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dev[0].dump_monitor()
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with open(testfile, "w") as f:
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f.write(dev[0].p2p_dev_addr())
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ev = dev[0].wait_event(["CTRL-EVENT-DISCONNECTED"], timeout=1)
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if ev is not None:
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raise Exception("Unexpected disconnection on first Michael MIC failure")
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with open(testfile, "w") as f:
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f.write("ff:ff:ff:ff:ff:ff")
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ev = dev[0].wait_disconnected(timeout=10,
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error="No disconnection after two Michael MIC failures")
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if "reason=14 locally_generated=1" not in ev:
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raise Exception("Unexpected disconnection reason: " + ev)
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ev = dev[0].wait_event(["CTRL-EVENT-CONNECTED"], timeout=1)
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if ev is not None:
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raise Exception("Unexpected connection during TKIP countermeasures")
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def test_ap_cipher_ccmp(dev, apdev):
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"""WPA2-PSK/CCMP connection"""
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check_cipher(dev[0], apdev[0], "CCMP")
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def test_ap_cipher_gcmp(dev, apdev):
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"""WPA2-PSK/GCMP connection"""
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check_cipher(dev[0], apdev[0], "GCMP")
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def test_ap_cipher_ccmp_256(dev, apdev):
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"""WPA2-PSK/CCMP-256 connection"""
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check_cipher(dev[0], apdev[0], "CCMP-256")
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def test_ap_cipher_gcmp_256(dev, apdev):
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"""WPA2-PSK/GCMP-256 connection"""
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check_cipher(dev[0], apdev[0], "GCMP-256")
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def test_ap_cipher_mixed_wpa_wpa2(dev, apdev):
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"""WPA2-PSK/CCMP/ and WPA-PSK/TKIP mixed configuration"""
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skip_with_fips(dev[0])
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ssid = "test-wpa-wpa2-psk"
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passphrase = "12345678"
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params = { "ssid": ssid,
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"wpa_passphrase": passphrase,
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"wpa": "3",
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"wpa_key_mgmt": "WPA-PSK",
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"rsn_pairwise": "CCMP",
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"wpa_pairwise": "TKIP" }
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hapd = hostapd.add_ap(apdev[0]['ifname'], params)
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dev[0].connect(ssid, psk=passphrase, proto="WPA2",
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pairwise="CCMP", group="TKIP", scan_freq="2412")
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status = dev[0].get_status()
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if status['key_mgmt'] != 'WPA2-PSK':
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raise Exception("Incorrect key_mgmt reported")
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if status['pairwise_cipher'] != 'CCMP':
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raise Exception("Incorrect pairwise_cipher reported")
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if status['group_cipher'] != 'TKIP':
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raise Exception("Incorrect group_cipher reported")
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bss = dev[0].get_bss(apdev[0]['bssid'])
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if bss['ssid'] != ssid:
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raise Exception("Unexpected SSID in the BSS entry")
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if "[WPA-PSK-TKIP]" not in bss['flags']:
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raise Exception("Missing BSS flag WPA-PSK-TKIP")
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if "[WPA2-PSK-CCMP]" not in bss['flags']:
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raise Exception("Missing BSS flag WPA2-PSK-CCMP")
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hwsim_utils.test_connectivity(dev[0], hapd)
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dev[1].connect(ssid, psk=passphrase, proto="WPA",
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pairwise="TKIP", group="TKIP", scan_freq="2412")
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status = dev[1].get_status()
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if status['key_mgmt'] != 'WPA-PSK':
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raise Exception("Incorrect key_mgmt reported")
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if status['pairwise_cipher'] != 'TKIP':
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raise Exception("Incorrect pairwise_cipher reported")
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if status['group_cipher'] != 'TKIP':
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raise Exception("Incorrect group_cipher reported")
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hwsim_utils.test_connectivity(dev[1], hapd)
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hwsim_utils.test_connectivity(dev[0], dev[1])
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def test_ap_cipher_bip(dev, apdev):
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"""WPA2-PSK with BIP"""
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check_group_mgmt_cipher(dev[0], apdev[0], "AES-128-CMAC")
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def test_ap_cipher_bip_gmac_128(dev, apdev):
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"""WPA2-PSK with BIP-GMAC-128"""
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check_group_mgmt_cipher(dev[0], apdev[0], "BIP-GMAC-128")
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def test_ap_cipher_bip_gmac_256(dev, apdev):
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"""WPA2-PSK with BIP-GMAC-256"""
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check_group_mgmt_cipher(dev[0], apdev[0], "BIP-GMAC-256")
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def test_ap_cipher_bip_cmac_256(dev, apdev):
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"""WPA2-PSK with BIP-CMAC-256"""
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check_group_mgmt_cipher(dev[0], apdev[0], "BIP-CMAC-256")
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