mirror of
https://github.com/vanhoefm/fragattacks.git
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503 lines
21 KiB
Python
503 lines
21 KiB
Python
# hostapd configuration tests
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# Copyright (c) 2014-2016, 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 os
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import signal
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import time
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import logging
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logger = logging.getLogger(__name__)
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import subprocess
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from remotehost import remote_compatible
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import hostapd
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from utils import alloc_fail, fail_test
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@remote_compatible
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def test_ap_config_errors(dev, apdev):
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"""Various hostapd configuration errors"""
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# IEEE 802.11d without country code
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params = { "ssid": "foo", "ieee80211d": "1" }
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hapd = hostapd.add_ap(apdev[0], params, no_enable=True)
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if "FAIL" not in hapd.request("ENABLE"):
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raise Exception("Unexpected ENABLE success (ieee80211d without country_code)")
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hostapd.remove_bss(apdev[0])
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# IEEE 802.11h without IEEE 802.11d
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params = { "ssid": "foo", "ieee80211h": "1" }
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hapd = hostapd.add_ap(apdev[0], params, no_enable=True)
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if "FAIL" not in hapd.request("ENABLE"):
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raise Exception("Unexpected ENABLE success (ieee80211h without ieee80211d")
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hostapd.remove_bss(apdev[0])
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# Power Constraint without IEEE 802.11d
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params = { "ssid": "foo", "local_pwr_constraint": "1" }
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hapd = hostapd.add_ap(apdev[0], params, no_enable=True)
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if "FAIL" not in hapd.request("ENABLE"):
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raise Exception("Unexpected ENABLE success (local_pwr_constraint without ieee80211d)")
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hostapd.remove_bss(apdev[0])
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# Spectrum management without Power Constraint
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params = { "ssid": "foo", "spectrum_mgmt_required": "1" }
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hapd = hostapd.add_ap(apdev[0], params, no_enable=True)
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if "FAIL" not in hapd.request("ENABLE"):
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raise Exception("Unexpected ENABLE success (spectrum_mgmt_required without local_pwr_constraint)")
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hostapd.remove_bss(apdev[0])
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# IEEE 802.1X without authentication server
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params = { "ssid": "foo", "ieee8021x": "1" }
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hapd = hostapd.add_ap(apdev[0], params, no_enable=True)
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if "FAIL" not in hapd.request("ENABLE"):
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raise Exception("Unexpected ENABLE success (ieee8021x)")
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hostapd.remove_bss(apdev[0])
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# RADIUS-PSK without macaddr_acl=2
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params = hostapd.wpa2_params(ssid="foo", passphrase="12345678")
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params["wpa_psk_radius"] = "1"
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hapd = hostapd.add_ap(apdev[0], params, no_enable=True)
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if "FAIL" not in hapd.request("ENABLE"):
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raise Exception("Unexpected ENABLE success (wpa_psk_radius)")
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hostapd.remove_bss(apdev[0])
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# FT without NAS-Identifier
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params = { "wpa": "2",
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"wpa_key_mgmt": "FT-PSK",
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"rsn_pairwise": "CCMP",
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"wpa_passphrase": "12345678" }
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hapd = hostapd.add_ap(apdev[0], params, no_enable=True)
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if "FAIL" not in hapd.request("ENABLE"):
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raise Exception("Unexpected ENABLE success (FT without nas_identifier)")
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hostapd.remove_bss(apdev[0])
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# Hotspot 2.0 without WPA2/CCMP
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params = hostapd.wpa2_params(ssid="foo")
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params['wpa_key_mgmt'] = "WPA-EAP"
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params['ieee8021x'] = "1"
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params['auth_server_addr'] = "127.0.0.1"
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params['auth_server_port'] = "1812"
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params['auth_server_shared_secret'] = "radius"
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params['interworking'] = "1"
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params['hs20'] = "1"
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params['wpa'] = "1"
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hapd = hostapd.add_ap(apdev[0], params, no_enable=True)
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if "FAIL" not in hapd.request("ENABLE"):
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raise Exception("Unexpected ENABLE success (HS 2.0 without WPA2/CCMP)")
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hostapd.remove_bss(apdev[0])
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def test_ap_config_reload(dev, apdev, params):
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"""hostapd configuration reload"""
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hapd = hostapd.add_ap(apdev[0], { "ssid": "foo" })
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hapd.set("ssid", "foobar")
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with open(os.path.join(params['logdir'], 'hostapd-test.pid'), "r") as f:
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pid = int(f.read())
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os.kill(pid, signal.SIGHUP)
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time.sleep(0.1)
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dev[0].connect("foobar", key_mgmt="NONE", scan_freq="2412")
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hapd.set("ssid", "foo")
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os.kill(pid, signal.SIGHUP)
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dev[0].wait_disconnected()
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dev[0].request("DISCONNECT")
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def test_ap_config_reload_file(dev, apdev, params):
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"""hostapd configuration reload from file"""
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hapd = hostapd.add_iface(apdev[0], "bss-1.conf")
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hapd.enable()
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hapd.set("ssid", "foobar")
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with open(os.path.join(params['logdir'], 'hostapd-test.pid'), "r") as f:
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pid = int(f.read())
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os.kill(pid, signal.SIGHUP)
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time.sleep(0.1)
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dev[0].connect("foobar", key_mgmt="NONE", scan_freq="2412")
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hapd.set("ssid", "foo")
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os.kill(pid, signal.SIGHUP)
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dev[0].wait_disconnected()
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dev[0].request("DISCONNECT")
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def write_hostapd_config(conffile, ifname, ssid, ht=True, bss2=False):
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with open(conffile, "w") as f:
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f.write("driver=nl80211\n")
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f.write("hw_mode=g\n")
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f.write("channel=1\n")
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if ht:
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f.write("ieee80211n=1\n")
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f.write("interface=" + ifname + "\n")
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f.write("ssid=" + ssid + "\n")
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if bss2:
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f.write("bss=" + ifname + "_2\n")
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f.write("ssid=" + ssid + "-2\n")
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def test_ap_config_reload_on_sighup(dev, apdev, params):
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"""hostapd configuration reload modification from file on SIGHUP"""
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run_ap_config_reload_on_sighup(dev, apdev, params)
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def test_ap_config_reload_on_sighup_no_ht(dev, apdev, params):
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"""hostapd configuration reload modification from file on SIGHUP (no HT)"""
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run_ap_config_reload_on_sighup(dev, apdev, params, ht=False)
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def run_ap_config_reload_on_sighup(dev, apdev, params, ht=True):
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name = "ap_config_reload_on_sighup"
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if not ht:
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name += "_no_ht"
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pidfile = os.path.join(params['logdir'], name + "-hostapd.pid")
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logfile = os.path.join(params['logdir'], name + "-hostapd-log")
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conffile = os.path.join(os.getcwd(), params['logdir'],
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name + "-hostapd.conf")
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prg = os.path.join(params['logdir'], 'alt-hostapd/hostapd/hostapd')
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if not os.path.exists(prg):
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prg = '../../hostapd/hostapd'
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write_hostapd_config(conffile, apdev[0]['ifname'], "test-1", ht=ht)
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cmd = [ prg, '-B', '-dddt', '-P', pidfile, '-f', logfile, conffile ]
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res = subprocess.check_call(cmd)
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if res != 0:
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raise Exception("Could not start hostapd: %s" % str(res))
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dev[0].connect("test-1", key_mgmt="NONE", scan_freq="2412")
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dev[0].request("REMOVE_NETWORK all")
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dev[0].wait_disconnected()
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write_hostapd_config(conffile, apdev[0]['ifname'], "test-2", ht=ht)
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with open(pidfile, "r") as f:
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pid = int(f.read())
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os.kill(pid, signal.SIGHUP)
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time.sleep(0.1)
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dev[0].flush_scan_cache()
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dev[0].connect("test-2", key_mgmt="NONE", scan_freq="2412")
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bss = dev[0].get_bss(apdev[0]['bssid'])
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dev[0].request("REMOVE_NETWORK all")
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dev[0].wait_disconnected()
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os.kill(pid, signal.SIGTERM)
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removed = False
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for i in range(20):
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time.sleep(0.1)
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if not os.path.exists(pidfile):
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removed = True
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break
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if not removed:
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raise Exception("hostapd PID file not removed on SIGTERM")
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if ht and "dd180050f202" not in bss['ie']:
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raise Exception("Missing WMM IE after reload")
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if not ht and "dd180050f202" in bss['ie']:
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raise Exception("Unexpected WMM IE after reload")
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def test_ap_config_reload_on_sighup_bss_changes(dev, apdev, params):
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"""hostapd configuration reload modification from file on SIGHUP with bss remove/add"""
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name = "ap_config_reload_on_sighup_bss_changes"
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pidfile = os.path.join(params['logdir'], name + "-hostapd.pid")
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logfile = os.path.join(params['logdir'], name + "-hostapd-log")
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conffile = os.path.join(os.getcwd(), params['logdir'],
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name + "-hostapd.conf")
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prg = os.path.join(params['logdir'], 'alt-hostapd/hostapd/hostapd')
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if not os.path.exists(prg):
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prg = '../../hostapd/hostapd'
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write_hostapd_config(conffile, apdev[0]['ifname'], "test", bss2=True)
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cmd = [ prg, '-B', '-dddt', '-P', pidfile, '-f', logfile, conffile ]
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res = subprocess.check_call(cmd)
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if res != 0:
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raise Exception("Could not start hostapd: %s" % str(res))
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dev[0].connect("test", key_mgmt="NONE", scan_freq="2412",
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wait_connect=False)
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dev[1].connect("test-2", key_mgmt="NONE", scan_freq="2412")
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dev[0].wait_connected()
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dev[0].request("REMOVE_NETWORK all")
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dev[1].request("REMOVE_NETWORK all")
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dev[0].wait_disconnected()
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dev[1].wait_disconnected()
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dev[0].dump_monitor()
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dev[1].dump_monitor()
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write_hostapd_config(conffile, apdev[0]['ifname'], "test-a", bss2=False)
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with open(pidfile, "r") as f:
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pid = int(f.read())
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os.kill(pid, signal.SIGHUP)
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time.sleep(0.5)
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dev[0].flush_scan_cache()
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dev[0].connect("test-a", key_mgmt="NONE", scan_freq="2412")
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dev[0].request("REMOVE_NETWORK all")
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dev[0].wait_disconnected()
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dev[0].dump_monitor()
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write_hostapd_config(conffile, apdev[0]['ifname'], "test-b", bss2=True)
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os.kill(pid, signal.SIGHUP)
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time.sleep(0.5)
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dev[0].flush_scan_cache()
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dev[1].flush_scan_cache()
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dev[0].connect("test-b", key_mgmt="NONE", scan_freq="2412",
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wait_connect=False)
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dev[1].connect("test-b-2", key_mgmt="NONE", scan_freq="2412")
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dev[0].wait_connected()
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dev[0].request("REMOVE_NETWORK all")
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dev[1].request("REMOVE_NETWORK all")
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dev[0].wait_disconnected()
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dev[1].wait_disconnected()
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dev[0].dump_monitor()
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dev[1].dump_monitor()
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os.kill(pid, signal.SIGTERM)
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def test_ap_config_reload_before_enable(dev, apdev, params):
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"""hostapd configuration reload before enable"""
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hapd = hostapd.add_iface(apdev[0], "bss-1.conf")
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with open(os.path.join(params['logdir'], 'hostapd-test.pid'), "r") as f:
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pid = int(f.read())
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os.kill(pid, signal.SIGHUP)
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hapd.ping()
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def test_ap_config_sigusr1(dev, apdev, params):
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"""hostapd SIGUSR1"""
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hapd = hostapd.add_ap(apdev[0], { "ssid": "foobar" })
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with open(os.path.join(params['logdir'], 'hostapd-test.pid'), "r") as f:
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pid = int(f.read())
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os.kill(pid, signal.SIGUSR1)
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dev[0].connect("foobar", key_mgmt="NONE", scan_freq="2412")
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os.kill(pid, signal.SIGUSR1)
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def test_ap_config_invalid_value(dev, apdev, params):
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"""Ignoring invalid hostapd configuration parameter updates"""
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hapd = hostapd.add_ap(apdev[0], { "ssid": "test" }, no_enable=True)
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not_exist = "/tmp/hostapd-test/does-not-exist"
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tests = [ ("driver", "foobar"),
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("ssid2", "Q"),
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("macaddr_acl", "255"),
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("accept_mac_file", not_exist),
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("deny_mac_file", not_exist),
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("eapol_version", "255"),
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("eap_user_file", not_exist),
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("wep_key_len_broadcast", "-1"),
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("wep_key_len_unicast", "-1"),
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("wep_rekey_period", "-1"),
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("eap_rekey_period", "-1"),
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("radius_client_addr", "foo"),
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("acs_chan_bias", "-1:0.8"),
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("acs_chan_bias", "1"),
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("acs_chan_bias", "1:p"),
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("acs_chan_bias", "1:-0.8"),
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("acs_chan_bias", "1:0.8p"),
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("dtim_period", "0"),
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("bss_load_update_period", "-1"),
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("send_probe_response", "255"),
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("beacon_rate", "ht:-1"),
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("beacon_rate", "ht:32"),
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("beacon_rate", "vht:-1"),
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("beacon_rate", "vht:10"),
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("beacon_rate", "9"),
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("beacon_rate", "10001"),
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("vlan_file", not_exist),
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("bss", ""),
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("bssid", "foo"),
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("extra_cred", not_exist),
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("anqp_elem", "265"),
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("anqp_elem", "265"),
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("anqp_elem", "265:1"),
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("anqp_elem", "265:1q"),
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("fst_priority", ""),
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("fils_cache_id", "q"),
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("unknown-item", "foo") ]
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for field, val in tests:
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if "FAIL" not in hapd.request("SET %s %s" % (field, val)):
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raise Exception("Invalid %s accepted" % field)
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hapd.enable()
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dev[0].connect("test", key_mgmt="NONE", scan_freq="2412")
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def test_ap_config_eap_user_file_parsing(dev, apdev, params):
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"""hostapd eap_user_file parsing"""
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tmp = os.path.join(params['logdir'], 'ap_vlan_file_parsing.tmp')
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hapd = hostapd.add_ap(apdev[0], { "ssid": "foobar" })
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for i in range(2):
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if "OK" not in hapd.request("SET eap_user_file auth_serv/eap_user.conf"):
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raise Exception("eap_user_file rejected")
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tests = [ "#\n\n*\tTLS\nradius_accept_attr=:",
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"foo\n",
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"\"foo\n",
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"\"foo\"\n",
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"\"foo\" FOOBAR\n",
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"\"foo\" " + 10*"TLS," + "TLS \"\n",
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"\"foo\" TLS \nfoo\n",
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"\"foo\" PEAP hash:foo\n",
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"\"foo\" PEAP hash:8846f7eaee8fb117ad06bdd830b7586q\n",
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"\"foo\" PEAP 01020\n",
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"\"foo\" PEAP 010q\n",
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"\"foo\" TLS\nradius_accept_attr=123:x:012\n",
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"\"foo\" TLS\nradius_accept_attr=123:x:012q\n",
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"\"foo\" TLS\nradius_accept_attr=123:Q:01\n",
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"\"foo\" TLS\nradius_accept_attr=123\nfoo\n" ]
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for t in tests:
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with open(tmp, "w") as f:
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f.write(t)
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if "FAIL" not in hapd.request("SET eap_user_file " + tmp):
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raise Exception("Invalid eap_user_file accepted")
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tests = [ ("\"foo\" TLS\n", 2, "hostapd_config_read_eap_user"),
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("\"foo\" PEAP \"foo\"\n", 3, "hostapd_config_read_eap_user"),
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("\"foo\" PEAP hash:8846f7eaee8fb117ad06bdd830b75861\n", 3,
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"hostapd_config_read_eap_user"),
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("\"foo\" PEAP 0102\n", 3, "hostapd_config_read_eap_user"),
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("\"foo\" TLS\nradius_accept_attr=123\n", 1,
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"=hostapd_parse_radius_attr"),
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("\"foo\" TLS\nradius_accept_attr=123\n", 1,
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"wpabuf_alloc;hostapd_parse_radius_attr"),
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("\"foo\" TLS\nradius_accept_attr=123:s:foo\n", 2,
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"hostapd_parse_radius_attr"),
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("\"foo\" TLS\nradius_accept_attr=123:x:0102\n", 2,
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"hostapd_parse_radius_attr"),
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("\"foo\" TLS\nradius_accept_attr=123:d:1\n", 2,
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"hostapd_parse_radius_attr"),
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("* TLS\n", 1, "hostapd_config_read_eap_user") ]
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for t, count, func in tests:
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with alloc_fail(hapd, count, func):
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with open(tmp, "w") as f:
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f.write(t)
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if "FAIL" not in hapd.request("SET eap_user_file " + tmp):
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raise Exception("eap_user_file accepted during OOM")
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def test_ap_config_set_oom(dev, apdev):
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"""hostapd configuration parsing OOM"""
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hapd = hostapd.add_ap(apdev[0], { "ssid": "foobar" })
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tests = [ (1, "hostapd_parse_das_client",
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"SET radius_das_client 192.168.1.123 pw"),
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(1, "hostapd_config_read_wep", "SET wep_key0 \"hello\""),
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(1, "hostapd_config_read_wep", "SET wep_key0 0102030405"),
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(1, "hostapd_parse_chanlist", "SET chanlist 1 6 11-13"),
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(1, "hostapd_config_bss", "SET bss foo"),
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(2, "hostapd_config_bss", "SET bss foo"),
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(3, "hostapd_config_bss", "SET bss foo"),
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(1, "add_r0kh",
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"SET r0kh 02:01:02:03:04:05 r0kh-1.example.com 000102030405060708090a0b0c0d0e0f"),
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(1, "add_r1kh",
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"SET r1kh 02:01:02:03:04:05 02:11:22:33:44:55 000102030405060708090a0b0c0d0e0f"),
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(1, "parse_roaming_consortium", "SET roaming_consortium 021122"),
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(1, "parse_lang_string", "SET venue_name eng:Example venue"),
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(1, "parse_3gpp_cell_net",
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"SET anqp_3gpp_cell_net 244,91;310,026;234,56"),
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(1, "parse_nai_realm", "SET nai_realm 0,example.com;example.net"),
|
|
(2, "parse_nai_realm", "SET nai_realm 0,example.com;example.net"),
|
|
(1, "parse_anqp_elem", "SET anqp_elem 265:0000"),
|
|
(2, "parse_anqp_elem", "SET anqp_elem 266:000000"),
|
|
(1, "hs20_parse_conn_capab", "SET hs20_conn_capab 1:0:2"),
|
|
(1, "hs20_parse_wan_metrics",
|
|
"SET hs20_wan_metrics 01:8000:1000:80:240:3000"),
|
|
(1, "hs20_parse_icon",
|
|
"SET hs20_icon 32:32:eng:image/png:icon32:/tmp/icon32.png"),
|
|
(1, "hs20_parse_osu_server_uri",
|
|
"SET osu_server_uri https://example.com/osu/"),
|
|
(1, "hostapd_config_parse_acs_chan_bias",
|
|
"SET acs_chan_bias 1:0.8 6:0.8 11:0.8"),
|
|
(2, "hostapd_config_parse_acs_chan_bias",
|
|
"SET acs_chan_bias 1:0.8 6:0.8 11:0.8"),
|
|
(1, "parse_wpabuf_hex", "SET vendor_elements 01020304"),
|
|
(1, "parse_fils_realm", "SET fils_realm example.com"),
|
|
(1, "hostapd_config_fill",
|
|
"SET pac_opaque_encr_key 000102030405060708090a0b0c0d0e0f"),
|
|
(1, "hostapd_config_fill", "SET eap_message hello"),
|
|
(1, "hostapd_config_fill",
|
|
"SET wpa_psk 0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"),
|
|
(1, "hostapd_config_fill", "SET time_zone EST5"),
|
|
(1, "hostapd_config_fill",
|
|
"SET network_auth_type 02http://www.example.com/redirect/"),
|
|
(1, "hostapd_config_fill", "SET domain_name example.com"),
|
|
(1, "hostapd_config_fill", "SET hs20_operating_class 5173"),
|
|
(1, "hostapd_config_fill", "SET own_ie_override 11223344"),
|
|
(1, "hostapd_parse_intlist", "SET sae_groups 19 25"),
|
|
(1, "hostapd_parse_intlist", "SET basic_rates 10 20 55 110"),
|
|
(1, "hostapd_parse_intlist", "SET supported_rates 10 20 55 110") ]
|
|
for count, func, cmd in tests:
|
|
with alloc_fail(hapd, count, func):
|
|
if "FAIL" not in hapd.request(cmd):
|
|
raise Exception("Command accepted during OOM: " + cmd)
|
|
|
|
hapd.set("hs20_icon", "32:32:eng:image/png:icon32:/tmp/icon32.png")
|
|
hapd.set("hs20_conn_capab", "1:0:2")
|
|
hapd.set("nai_realm", "0,example.com;example.net")
|
|
hapd.set("venue_name", "eng:Example venue")
|
|
hapd.set("roaming_consortium", "021122")
|
|
hapd.set("osu_server_uri", "https://example.com/osu/")
|
|
hapd.set("vendor_elements", "01020304")
|
|
hapd.set("vendor_elements", "01020304")
|
|
hapd.set("vendor_elements", "")
|
|
hapd.set("lci", "11223344")
|
|
hapd.set("civic", "11223344")
|
|
hapd.set("lci", "")
|
|
hapd.set("civic", "")
|
|
|
|
tests = [ (1, "hs20_parse_icon",
|
|
"SET hs20_icon 32:32:eng:image/png:icon32:/tmp/icon32.png"),
|
|
(1, "parse_roaming_consortium", "SET roaming_consortium 021122"),
|
|
(2, "parse_nai_realm", "SET nai_realm 0,example.com;example.net"),
|
|
(1, "parse_lang_string", "SET venue_name eng:Example venue"),
|
|
(1, "hs20_parse_osu_server_uri",
|
|
"SET osu_server_uri https://example.com/osu/"),
|
|
(1, "hs20_parse_osu_nai", "SET osu_nai anonymous@example.com"),
|
|
(1, "hostapd_parse_intlist", "SET osu_method_list 1 0"),
|
|
(1, "hs20_parse_osu_icon", "SET osu_icon icon32"),
|
|
(2, "hs20_parse_osu_icon", "SET osu_icon icon32"),
|
|
(2, "hs20_parse_osu_icon", "SET osu_icon icon32"),
|
|
(1, "hs20_parse_conn_capab", "SET hs20_conn_capab 1:0:2") ]
|
|
for count, func, cmd in tests:
|
|
with alloc_fail(hapd, count, func):
|
|
if "FAIL" not in hapd.request(cmd):
|
|
raise Exception("Command accepted during OOM (2): " + cmd)
|
|
|
|
tests = [ (1, "parse_fils_realm", "SET fils_realm example.com") ]
|
|
for count, func, cmd in tests:
|
|
with fail_test(hapd, count, func):
|
|
if "FAIL" not in hapd.request(cmd):
|
|
raise Exception("Command accepted during FAIL_TEST: " + cmd)
|
|
|
|
def test_ap_config_set_errors(dev, apdev):
|
|
"""hostapd configuration parsing errors"""
|
|
hapd = hostapd.add_ap(apdev[0], { "ssid": "foobar" })
|
|
hapd.set("wep_key0", '"hello"')
|
|
hapd.set("wep_key1", '"hello"')
|
|
hapd.set("wep_key0", '')
|
|
hapd.set("wep_key0", '"hello"')
|
|
if "FAIL" not in hapd.request("SET wep_key1 \"hello\""):
|
|
raise Exception("SET wep_key1 allowed to override existing key")
|
|
hapd.set("wep_key1", '')
|
|
hapd.set("wep_key1", '"hello"')
|
|
|
|
hapd.set("auth_server_addr", "127.0.0.1")
|
|
hapd.set("acct_server_addr", "127.0.0.1")
|
|
|
|
tests = [ "SET eap_reauth_period -1",
|
|
"SET fst_llt ",
|
|
"SET auth_server_addr_replace foo",
|
|
"SET acct_server_addr_replace foo" ]
|
|
for t in tests:
|
|
if "FAIL" not in hapd.request(t):
|
|
raise Exception("Invalid command accepted: " + t)
|
|
|
|
# Deprecated entries
|
|
hapd.set("tx_queue_after_beacon_aifs", '2')
|
|
hapd.set("tx_queue_beacon_aifs", '2')
|
|
hapd.set("tx_queue_data9_aifs", '2')
|
|
hapd.set("debug", '1')
|
|
hapd.set("dump_file", '/tmp/hostapd-test-dump')
|
|
hapd.set("eap_authenticator", '0')
|
|
hapd.set("radio_measurements", '0')
|
|
hapd.set("radio_measurements", '1')
|
|
|
|
# Various extra coverage (not really errors)
|
|
hapd.set("logger_syslog_level", '1')
|
|
hapd.set("logger_syslog", '0')
|
|
|
|
for i in range(50000):
|
|
if "OK" not in hapd.request("SET hs20_conn_capab 17:5060:0"):
|
|
logger.info("hs20_conn_capab limit at %d" % i)
|
|
break
|
|
if i < 1000 or i >= 49999:
|
|
raise Exception("hs20_conn_capab limit not seen")
|