--- /dev/null
+# Test cases for dynamic BSS changes with hostapd
+# Copyright (c) 2013, Qualcomm Atheros, Inc.
+#
+# This software may be distributed under the terms of the BSD license.
+# See README for more details.
+
+from remotehost import remote_compatible
+import time
+import subprocess
+import logging
+logger = logging.getLogger()
+import os
+
+import hwsim_utils
+import hostapd
+from utils import alloc_fail, require_under_vm
+from test_ap_acs import force_prev_ap_on_24g
+
+@remote_compatible
+def test_ap_change_ssid(dev, apdev):
+ """Dynamic SSID change with hostapd and WPA2-PSK"""
+ params = hostapd.wpa2_params(ssid="test-wpa2-psk-start",
+ passphrase="12345678")
+ hapd = hostapd.add_ap(apdev[0], params)
+ id = dev[0].connect("test-wpa2-psk-start", psk="12345678",
+ scan_freq="2412")
+ dev[0].request("DISCONNECT")
+
+ logger.info("Change SSID dynamically")
+ res = hapd.request("SET ssid test-wpa2-psk-new")
+ if "OK" not in res:
+ raise Exception("SET command failed")
+ res = hapd.request("RELOAD")
+ if "OK" not in res:
+ raise Exception("RELOAD command failed")
+
+ dev[0].set_network_quoted(id, "ssid", "test-wpa2-psk-new")
+ dev[0].connect_network(id)
+
+def multi_check(dev, check, scan_opt=True):
+ id = []
+ num_bss = len(check)
+ for i in range(0, num_bss):
+ dev[i].request("BSS_FLUSH 0")
+ dev[i].dump_monitor()
+ for i in range(0, num_bss):
+ if check[i]:
+ continue
+ id.append(dev[i].connect("bss-" + str(i + 1), key_mgmt="NONE",
+ scan_freq="2412", wait_connect=False))
+ for i in range(num_bss):
+ if not check[i]:
+ continue
+ bssid = '02:00:00:00:03:0' + str(i)
+ if scan_opt:
+ dev[i].scan_for_bss(bssid, freq=2412)
+ id.append(dev[i].connect("bss-" + str(i + 1), key_mgmt="NONE",
+ scan_freq="2412", wait_connect=True))
+ first = True
+ for i in range(num_bss):
+ if not check[i]:
+ timeout=0.2 if first else 0.01
+ first = False
+ ev = dev[i].wait_event(["CTRL-EVENT-CONNECTED"], timeout=timeout)
+ if ev:
+ raise Exception("Unexpected connection")
+
+ for i in range(0, num_bss):
+ dev[i].remove_network(id[i])
+ for i in range(num_bss):
+ if check[i]:
+ dev[i].wait_disconnected(timeout=5)
+
+ res = ''
+ for i in range(0, num_bss):
+ res = res + dev[i].request("BSS RANGE=ALL MASK=0x2")
+
+ for i in range(0, num_bss):
+ if not check[i]:
+ bssid = '02:00:00:00:03:0' + str(i)
+ if bssid in res:
+ raise Exception("Unexpected BSS" + str(i) + " in scan results")
+
+def test_ap_bss_add_remove(dev, apdev):
+ """Dynamic BSS add/remove operations with hostapd"""
+ try:
+ _test_ap_bss_add_remove(dev, apdev)
+ finally:
+ for i in range(3):
+ dev[i].request("SCAN_INTERVAL 5")
+
+def _test_ap_bss_add_remove(dev, apdev):
+ for i in range(3):
+ dev[i].flush_scan_cache()
+ dev[i].request("SCAN_INTERVAL 1")
+ ifname1 = apdev[0]['ifname']
+ ifname2 = apdev[0]['ifname'] + '-2'
+ ifname3 = apdev[0]['ifname'] + '-3'
+ logger.info("Set up three BSSes one by one")
+ hostapd.add_bss(apdev[0], ifname1, 'bss-1.conf')
+ multi_check(dev, [ True, False, False ])
+ hostapd.add_bss(apdev[0], ifname2, 'bss-2.conf')
+ multi_check(dev, [ True, True, False ])
+ hostapd.add_bss(apdev[0], ifname3, 'bss-3.conf')
+ multi_check(dev, [ True, True, True ])
+
+ logger.info("Remove the last BSS and re-add it")
+ hostapd.remove_bss(apdev[0], ifname3)
+ multi_check(dev, [ True, True, False ])
+ hostapd.add_bss(apdev[0], ifname3, 'bss-3.conf')
+ multi_check(dev, [ True, True, True ])
+
+ logger.info("Remove the middle BSS and re-add it")
+ hostapd.remove_bss(apdev[0], ifname2)
+ multi_check(dev, [ True, False, True ])
+ hostapd.add_bss(apdev[0], ifname2, 'bss-2.conf')
+ multi_check(dev, [ True, True, True ])
+
+ logger.info("Remove the first BSS and re-add it and other BSSs")
+ hostapd.remove_bss(apdev[0], ifname1)
+ multi_check(dev, [ False, False, False ])
+ hostapd.add_bss(apdev[0], ifname1, 'bss-1.conf')
+ hostapd.add_bss(apdev[0], ifname2, 'bss-2.conf')
+ hostapd.add_bss(apdev[0], ifname3, 'bss-3.conf')
+ multi_check(dev, [ True, True, True ])
+
+ logger.info("Remove two BSSes and re-add them")
+ hostapd.remove_bss(apdev[0], ifname2)
+ multi_check(dev, [ True, False, True ])
+ hostapd.remove_bss(apdev[0], ifname3)
+ multi_check(dev, [ True, False, False ])
+ hostapd.add_bss(apdev[0], ifname2, 'bss-2.conf')
+ multi_check(dev, [ True, True, False ])
+ hostapd.add_bss(apdev[0], ifname3, 'bss-3.conf')
+ multi_check(dev, [ True, True, True ])
+
+ logger.info("Remove three BSSes in and re-add them")
+ hostapd.remove_bss(apdev[0], ifname3)
+ multi_check(dev, [ True, True, False ])
+ hostapd.remove_bss(apdev[0], ifname2)
+ multi_check(dev, [ True, False, False ])
+ hostapd.remove_bss(apdev[0], ifname1)
+ multi_check(dev, [ False, False, False ])
+ hostapd.add_bss(apdev[0], ifname1, 'bss-1.conf')
+ multi_check(dev, [ True, False, False ])
+ hostapd.add_bss(apdev[0], ifname2, 'bss-2.conf')
+ multi_check(dev, [ True, True, False ])
+ hostapd.add_bss(apdev[0], ifname3, 'bss-3.conf')
+ multi_check(dev, [ True, True, True ])
+
+ logger.info("Test error handling if a duplicate ifname is tried")
+ hostapd.add_bss(apdev[0], ifname3, 'bss-3.conf', ignore_error=True)
+ multi_check(dev, [ True, True, True ])
+
+def test_ap_bss_add_remove_during_ht_scan(dev, apdev):
+ """Dynamic BSS add during HT40 co-ex scan"""
+ for i in range(3):
+ dev[i].flush_scan_cache()
+ ifname1 = apdev[0]['ifname']
+ ifname2 = apdev[0]['ifname'] + '-2'
+ hostapd.add_bss(apdev[0], ifname1, 'bss-ht40-1.conf')
+ hostapd.add_bss(apdev[0], ifname2, 'bss-ht40-2.conf')
+ multi_check(dev, [ True, True ], scan_opt=False)
+ hostapd.remove_bss(apdev[0], ifname2)
+ hostapd.remove_bss(apdev[0], ifname1)
+
+ hostapd.add_bss(apdev[0], ifname1, 'bss-ht40-1.conf')
+ hostapd.add_bss(apdev[0], ifname2, 'bss-ht40-2.conf')
+ hostapd.remove_bss(apdev[0], ifname2)
+ multi_check(dev, [ True, False ], scan_opt=False)
+ hostapd.remove_bss(apdev[0], ifname1)
+
+ hostapd.add_bss(apdev[0], ifname1, 'bss-ht40-1.conf')
+ hostapd.add_bss(apdev[0], ifname2, 'bss-ht40-2.conf')
+ hostapd.remove_bss(apdev[0], ifname1)
+ multi_check(dev, [ False, False ])
+
+def test_ap_multi_bss_config(dev, apdev):
+ """hostapd start with a multi-BSS configuration file"""
+ for i in range(3):
+ dev[i].flush_scan_cache()
+ ifname1 = apdev[0]['ifname']
+ ifname2 = apdev[0]['ifname'] + '-2'
+ ifname3 = apdev[0]['ifname'] + '-3'
+ logger.info("Set up three BSSes with one configuration file")
+ hapd = hostapd.add_iface(apdev[0], 'multi-bss.conf')
+ hapd.enable()
+ multi_check(dev, [ True, True, True ])
+ hostapd.remove_bss(apdev[0], ifname2)
+ multi_check(dev, [ True, False, True ])
+ hostapd.remove_bss(apdev[0], ifname3)
+ multi_check(dev, [ True, False, False ])
+ hostapd.remove_bss(apdev[0], ifname1)
+ multi_check(dev, [ False, False, False ])
+
+ hapd = hostapd.add_iface(apdev[0], 'multi-bss.conf')
+ hapd.enable()
+ hostapd.remove_bss(apdev[0], ifname1)
+ multi_check(dev, [ False, False, False ])
+
+def invalid_ap(ap):
+ logger.info("Trying to start AP " + ap['ifname'] + " with invalid configuration")
+ hapd = hostapd.add_ap(ap, {}, no_enable=True)
+ hapd.set("ssid", "invalid-config")
+ hapd.set("channel", "12345")
+ try:
+ hapd.enable()
+ started = True
+ except Exception, e:
+ started = False
+ if started:
+ raise Exception("ENABLE command succeeded unexpectedly")
+ return hapd
+
+@remote_compatible
+def test_ap_invalid_config(dev, apdev):
+ """Try to start AP with invalid configuration and fix configuration"""
+ hapd = invalid_ap(apdev[0])
+
+ logger.info("Fix configuration and start AP again")
+ hapd.set("channel", "1")
+ hapd.enable()
+ dev[0].connect("invalid-config", key_mgmt="NONE", scan_freq="2412")
+
+@remote_compatible
+def test_ap_invalid_config2(dev, apdev):
+ """Try to start AP with invalid configuration and remove interface"""
+ hapd = invalid_ap(apdev[0])
+ logger.info("Remove interface with failed configuration")
+ hostapd.remove_bss(apdev[0])
+
+def test_ap_remove_during_acs(dev, apdev):
+ """Remove interface during ACS"""
+ force_prev_ap_on_24g(apdev[0])
+ params = hostapd.wpa2_params(ssid="test-acs-remove", passphrase="12345678")
+ params['channel'] = '0'
+ hostapd.add_ap(apdev[0], params)
+ hostapd.remove_bss(apdev[0])
+
+def test_ap_remove_during_acs2(dev, apdev):
+ """Remove BSS during ACS in multi-BSS configuration"""
+ force_prev_ap_on_24g(apdev[0])
+ ifname = apdev[0]['ifname']
+ ifname2 = ifname + "-2"
+ hapd = hostapd.add_ap(apdev[0], {}, no_enable=True)
+ hapd.set("ssid", "test-acs-remove")
+ hapd.set("channel", "0")
+ hapd.set("bss", ifname2)
+ hapd.set("ssid", "test-acs-remove2")
+ hapd.enable()
+ hostapd.remove_bss(apdev[0])
+
+def test_ap_remove_during_acs3(dev, apdev):
+ """Remove second BSS during ACS in multi-BSS configuration"""
+ force_prev_ap_on_24g(apdev[0])
+ ifname = apdev[0]['ifname']
+ ifname2 = ifname + "-2"
+ hapd = hostapd.add_ap(apdev[0], {}, no_enable=True)
+ hapd.set("ssid", "test-acs-remove")
+ hapd.set("channel", "0")
+ hapd.set("bss", ifname2)
+ hapd.set("ssid", "test-acs-remove2")
+ hapd.enable()
+ hostapd.remove_bss(apdev[0], ifname2)
+
+@remote_compatible
+def test_ap_remove_during_ht_coex_scan(dev, apdev):
+ """Remove interface during HT co-ex scan"""
+ params = hostapd.wpa2_params(ssid="test-ht-remove", passphrase="12345678")
+ params['channel'] = '1'
+ params['ht_capab'] = "[HT40+]"
+ ifname = apdev[0]['ifname']
+ hostapd.add_ap(apdev[0], params)
+ hostapd.remove_bss(apdev[0])
+
+def test_ap_remove_during_ht_coex_scan2(dev, apdev):
+ """Remove BSS during HT co-ex scan in multi-BSS configuration"""
+ ifname = apdev[0]['ifname']
+ ifname2 = ifname + "-2"
+ hapd = hostapd.add_ap(apdev[0], {}, no_enable=True)
+ hapd.set("ssid", "test-ht-remove")
+ hapd.set("channel", "1")
+ hapd.set("ht_capab", "[HT40+]")
+ hapd.set("bss", ifname2)
+ hapd.set("ssid", "test-ht-remove2")
+ hapd.enable()
+ hostapd.remove_bss(apdev[0])
+
+def test_ap_remove_during_ht_coex_scan3(dev, apdev):
+ """Remove second BSS during HT co-ex scan in multi-BSS configuration"""
+ ifname = apdev[0]['ifname']
+ ifname2 = ifname + "-2"
+ hapd = hostapd.add_ap(apdev[0], {}, no_enable=True)
+ hapd.set("ssid", "test-ht-remove")
+ hapd.set("channel", "1")
+ hapd.set("ht_capab", "[HT40+]")
+ hapd.set("bss", ifname2)
+ hapd.set("ssid", "test-ht-remove2")
+ hapd.enable()
+ hostapd.remove_bss(apdev[0], ifname2)
+
+@remote_compatible
+def test_ap_enable_disable_reenable(dev, apdev):
+ """Enable, disable, re-enable AP"""
+ hapd = hostapd.add_ap(apdev[0], {}, no_enable=True)
+ hapd.set("ssid", "dynamic")
+ hapd.enable()
+ ev = hapd.wait_event(["AP-ENABLED"], timeout=30)
+ if ev is None:
+ raise Exception("AP startup timed out")
+ dev[0].connect("dynamic", key_mgmt="NONE", scan_freq="2412")
+ hapd.disable()
+ ev = hapd.wait_event(["AP-DISABLED"], timeout=30)
+ if ev is None:
+ raise Exception("AP disabling timed out")
+ dev[0].wait_disconnected(timeout=10)
+ hapd.enable()
+ ev = hapd.wait_event(["AP-ENABLED"], timeout=30)
+ if ev is None:
+ raise Exception("AP startup timed out")
+ dev[1].connect("dynamic", key_mgmt="NONE", scan_freq="2412")
+ dev[0].wait_connected(timeout=10)
+
+def test_ap_double_disable(dev, apdev):
+ """Double DISABLE regression test"""
+ hapd = hostapd.add_bss(apdev[0], apdev[0]['ifname'], 'bss-1.conf')
+ hostapd.add_bss(apdev[0], apdev[0]['ifname'] + '-2', 'bss-2.conf')
+ hapd.disable()
+ if "FAIL" not in hapd.request("DISABLE"):
+ raise Exception("Second DISABLE accepted unexpectedly")
+ hapd.enable()
+ hapd.disable()
+ if "FAIL" not in hapd.request("DISABLE"):
+ raise Exception("Second DISABLE accepted unexpectedly")
+
+def test_ap_bss_add_many(dev, apdev):
+ """Large number of BSS add operations with hostapd"""
+ try:
+ _test_ap_bss_add_many(dev, apdev)
+ finally:
+ dev[0].request("SCAN_INTERVAL 5")
+ ifname = apdev[0]['ifname']
+ hapd = hostapd.HostapdGlobal(apdev[0])
+ hapd.flush()
+ for i in range(16):
+ ifname2 = ifname + '-' + str(i)
+ hapd.remove(ifname2)
+ try:
+ os.remove('/tmp/hwsim-bss.conf')
+ except:
+ pass
+
+def _test_ap_bss_add_many(dev, apdev):
+ ifname = apdev[0]['ifname']
+ hostapd.add_bss(apdev[0], ifname, 'bss-1.conf')
+ fname = '/tmp/hwsim-bss.conf'
+ for i in range(16):
+ ifname2 = ifname + '-' + str(i)
+ with open(fname, 'w') as f:
+ f.write("driver=nl80211\n")
+ f.write("hw_mode=g\n")
+ f.write("channel=1\n")
+ f.write("ieee80211n=1\n")
+ f.write("interface=%s\n" % ifname2)
+ f.write("bssid=02:00:00:00:03:%02x\n" % (i + 1))
+ f.write("ctrl_interface=/var/run/hostapd\n")
+ f.write("ssid=test-%d\n" % i)
+ hostapd.add_bss(apdev[0], ifname2, fname)
+ os.remove(fname)
+
+ dev[0].request("SCAN_INTERVAL 1")
+ dev[0].connect("bss-1", key_mgmt="NONE", scan_freq="2412")
+ dev[0].request("DISCONNECT")
+ dev[0].wait_disconnected(timeout=5)
+ for i in range(16):
+ dev[0].connect("test-%d" % i, key_mgmt="NONE", scan_freq="2412")
+ dev[0].request("DISCONNECT")
+ dev[0].wait_disconnected(timeout=5)
+ ifname2 = ifname + '-' + str(i)
+ hostapd.remove_bss(apdev[0], ifname2)
+
+def test_ap_bss_add_reuse_existing(dev, apdev):
+ """Dynamic BSS add operation reusing existing interface"""
+ ifname1 = apdev[0]['ifname']
+ ifname2 = apdev[0]['ifname'] + '-2'
+ hostapd.add_bss(apdev[0], ifname1, 'bss-1.conf')
+ subprocess.check_call(["iw", "dev", ifname1, "interface", "add", ifname2,
+ "type", "__ap"])
+ hostapd.add_bss(apdev[0], ifname2, 'bss-2.conf')
+ hostapd.remove_bss(apdev[0], ifname2)
+ subprocess.check_call(["iw", "dev", ifname2, "del"])
+
+def hapd_bss_out_of_mem(hapd, phy, confname, count, func):
+ with alloc_fail(hapd, count, func):
+ hapd_global = hostapd.HostapdGlobal()
+ res = hapd_global.ctrl.request("ADD bss_config=" + phy + ":" + confname)
+ if "OK" in res:
+ raise Exception("add_bss succeeded")
+
+def test_ap_bss_add_out_of_memory(dev, apdev):
+ """Running out of memory while adding a BSS"""
+ hapd2 = hostapd.add_ap(apdev[1], { "ssid": "open" })
+
+ ifname1 = apdev[0]['ifname']
+ ifname2 = apdev[0]['ifname'] + '-2'
+
+ hapd_bss_out_of_mem(hapd2, 'phy3', 'bss-1.conf', 1, 'hostapd_add_iface')
+ for i in range(1, 3):
+ hapd_bss_out_of_mem(hapd2, 'phy3', 'bss-1.conf',
+ i, 'hostapd_interface_init_bss')
+ hapd_bss_out_of_mem(hapd2, 'phy3', 'bss-1.conf',
+ 1, 'ieee802_11_build_ap_params')
+
+ hostapd.add_bss(apdev[0], ifname1, 'bss-1.conf')
+
+ hapd_bss_out_of_mem(hapd2, 'phy3', 'bss-2.conf',
+ 1, 'hostapd_interface_init_bss')
+ hapd_bss_out_of_mem(hapd2, 'phy3', 'bss-2.conf',
+ 1, 'ieee802_11_build_ap_params')
+
+ hostapd.add_bss(apdev[0], ifname2, 'bss-2.conf')
+ hostapd.remove_bss(apdev[0], ifname2)
+ hostapd.remove_bss(apdev[0], ifname1)
+
+def test_ap_multi_bss(dev, apdev):
+ """Multiple BSSes with hostapd"""
+ ifname1 = apdev[0]['ifname']
+ ifname2 = apdev[0]['ifname'] + '-2'
+ hapd1 = hostapd.add_bss(apdev[0], ifname1, 'bss-1.conf')
+ hapd2 = hostapd.add_bss(apdev[0], ifname2, 'bss-2.conf')
+ dev[0].connect("bss-1", key_mgmt="NONE", scan_freq="2412")
+ dev[1].connect("bss-2", key_mgmt="NONE", scan_freq="2412")
+
+ hwsim_utils.test_connectivity(dev[0], hapd1)
+ hwsim_utils.test_connectivity(dev[1], hapd2)
+
+ sta0 = hapd1.get_sta(dev[0].own_addr())
+ sta1 = hapd2.get_sta(dev[1].own_addr())
+ if 'rx_packets' not in sta0 or int(sta0['rx_packets']) < 1:
+ raise Exception("sta0 did not report receiving packets")
+ if 'rx_packets' not in sta1 or int(sta1['rx_packets']) < 1:
+ raise Exception("sta1 did not report receiving packets")
+
+@remote_compatible
+def test_ap_add_with_driver(dev, apdev):
+ """Add hostapd interface with driver specified"""
+ ifname = apdev[0]['ifname']
+ try:
+ hostname = apdev[0]['hostname']
+ except:
+ hostname = None
+ hapd_global = hostapd.HostapdGlobal(apdev[0])
+ hapd_global.add(ifname, driver="nl80211")
+ port = hapd_global.get_ctrl_iface_port(ifname)
+ hapd = hostapd.Hostapd(ifname, hostname, port)
+ hapd.set_defaults()
+ hapd.set("ssid", "dynamic")
+ hapd.enable()
+ ev = hapd.wait_event(["AP-ENABLED"], timeout=30)
+ if ev is None:
+ raise Exception("AP startup timed out")
+ dev[0].connect("dynamic", key_mgmt="NONE", scan_freq="2412")
+ dev[0].request("DISCONNECT")
+ dev[0].wait_disconnected()
+ hapd.disable()
+
+def test_ap_iapp(dev, apdev):
+ """IAPP and multiple BSSes"""
+ require_under_vm()
+ try:
+ _test_ap_iapp(dev, apdev)
+ finally:
+ subprocess.call(['ifconfig', 'br-multicast', 'down'],
+ stderr=open('/dev/null', 'w'))
+ subprocess.call(['brctl', 'delbr', 'br-multicast'],
+ stderr=open('/dev/null', 'w'))
+
+def _test_ap_iapp(dev, apdev):
+ br_ifname = 'br-multicast'
+ subprocess.call(['brctl', 'addbr', br_ifname])
+ subprocess.call(['brctl', 'setfd', br_ifname, '0'])
+ subprocess.call(['ip', 'addr', 'add', '10.174.65.206/31', 'dev', br_ifname])
+ subprocess.call(['ip', 'link', 'set', 'dev', br_ifname, 'up'])
+ subprocess.call(['ip', 'route', 'add', '224.0.0.0/4', 'dev', br_ifname])
+
+ params = { "ssid": "test-1",
+ "bridge": br_ifname,
+ "iapp_interface": br_ifname }
+ hapd = hostapd.add_ap(apdev[0], params)
+
+ dev[0].scan_for_bss(apdev[0]['bssid'], freq=2412)
+ dev[0].connect("test-1", key_mgmt="NONE", scan_freq="2412")
+ dev[1].connect("test-1", key_mgmt="NONE", scan_freq="2412")
+
+ hapd2 = hostapd.add_ap(apdev[1], params)
+ dev[0].scan_for_bss(apdev[1]['bssid'], freq=2412)
+ dev[0].roam(apdev[1]['bssid'])
+ dev[0].roam(apdev[0]['bssid'])
+
+ dev[0].request("DISCONNECT")
+ dev[1].request("DISCONNECT")
+ dev[0].wait_disconnected()
+ dev[1].wait_disconnected()
+
+ hapd.disable()
+ hapd2.disable()
projects / mech_eap.git / blobdiff