Release 3.9

Since netconfig is now part of the Connect() call from a DBus
perspective add a note indicating that this method has the potential
to take a very long time if there are issues with DHCP.

ChangeLog

@@ -1,3 +1,12 @@
+ver 3.9:
+	Fix issue with Access Point mode and frequency unlocking.
+	Fix issue with network configuration and BSS retry logic.
+	Fix issue with handling busy notification from Access Point.
+	Fix issue with handling P-192, P-224 and P-521 for SAE.
+
+ver 3.8:
+	Fix issue with handling unit tests and missing kernel features.
+
 ver 3.7:
 	Fix issue with handling length of EncryptedSecurity.
 	Fix issue with handling empty affinities lists.

autotests/testAPRoam/main.conf.roaming

@@ -3,4 +3,4 @@ RoamThreshold=-72
 CriticalRoamThreshold=-72
 
 [Blacklist]
-InitialRoamRequestedTimeout=20
+InitialAccessPointBusyTimeout=20

autotests/testNetconfig/static_test.py

@@ -91,16 +91,11 @@ class Test(unittest.TestCase):
         # using the same static config.  The new client's ACD client should
         # detect an IP conflict and not allow the device to reach the
         # "connected" state although the DBus .Connect call will succeed.
-        ordered_network.network_object.connect()
-        self.assertEqual(dev2.state, iwd.DeviceState.connecting)
-        try:
-            # We should either stay in "connecting" indefinitely or move to
-            # "disconnecting"
-            condition = 'obj.state != DeviceState.connecting'
-            iwd_ns0_1.wait_for_object_condition(dev2, condition, max_wait=21)
-            self.assertEqual(dev2.state, iwd.DeviceState.disconnecting)
-        except TimeoutError:
-            dev2.disconnect()
+        with self.assertRaises(iwd.FailedEx):
+            ordered_network.network_object.connect(timeout=500)
+
+        condition = 'obj.state == DeviceState.disconnected'
+        iwd_ns0_1.wait_for_object_condition(dev2, condition, max_wait=21)
 
         iwd_ns0_1.unregister_psk_agent(psk_agent_ns0_1)
         del dev2

autotests/testNetconfig/timeout_test.py

@@ -8,6 +8,8 @@ from iwd import PSKAgent
 from iwd import NetworkType
 
 class Test(unittest.TestCase):
+    def connect_failure(self, ex):
+        self.failure_triggered = True
 
     def test_netconfig_timeout(self):
         IWD.copy_to_storage('autoconnect.psk', name='ap-ns1.psk')
@@ -27,23 +29,34 @@ class Test(unittest.TestCase):
         condition = 'not obj.connected'
         wd.wait_for_object_condition(ordered_network.network_object, condition)
 
-        ordered_network.network_object.connect()
+        self.failure_triggered = False
 
-        condition = 'obj.state == DeviceState.connecting'
+        # Set our error handler here so we can check if it fails
+        ordered_network.network_object.connect(
+            wait=False,
+            timeout=1000,
+            error_handler=self.connect_failure
+        )
+
+        # IWD should attempt to try both BSS's with both failing netconfig.
+        # Then the autoconnect list should be exhausted, and IWD should
+        # transition to a disconnected state, then proceed to full autoconnect.
+        device.wait_for_event("netconfig-failed", timeout=1000)
+        device.wait_for_event("netconfig-failed", timeout=1000)
+        device.wait_for_event("disconnected")
+
+        device.wait_for_event("autoconnect_full")
+
+        # The connect call should have failed
+        self.assertTrue(self.failure_triggered)
+
+        condition = "obj.scanning"
+        wd.wait_for_object_condition(device, condition)
+        condition = "not obj.scanning"
         wd.wait_for_object_condition(device, condition)
 
-        device.wait_for_event("connecting (netconfig)")
-
-        # Netconfig should fail, and IWD should disconnect
-        from_condition = 'obj.state == DeviceState.connecting'
-        to_condition = 'obj.state == DeviceState.disconnecting'
-        wd.wait_for_object_change(device, from_condition, to_condition, max_wait=60)
-
-        # Autoconnect should then try again
-        condition = 'obj.state == DeviceState.connecting'
-        wd.wait_for_object_condition(device, condition)
-
-        device.wait_for_event("connecting (netconfig)")
+        # IWD should attempt to connect, but it will of course fail again.
+        device.wait_for_event("netconfig-failed", timeout=1000)
 
         device.disconnect()
         condition = 'obj.state == DeviceState.disconnected'

autotests/testNetconfigRoam/netconfig_roam_test.py

@@ -19,7 +19,7 @@ class Test(unittest.TestCase):
 
         device = wd.list_devices(1)[0]
         device.get_ordered_network('TestFT', full_scan=True)
-        device.connect_bssid(self.bss_hostapd[1].bssid)
+        device.connect_bssid(self.bss_hostapd[1].bssid, wait=False)
 
         self.bss_hostapd[1].wait_for_event(f'AP-STA-CONNECTED {device.address}')
         device.wait_for_event("connecting (netconfig)")

autotests/util/iwd.py

@@ -112,8 +112,8 @@ class AsyncOpAbstract(object):
         self._is_completed = True
         self._exception = _convert_dbus_ex(ex)
 
-    def _wait_for_async_op(self):
-        ctx.non_block_wait(lambda s: s._is_completed, 30, self, exception=None)
+    def _wait_for_async_op(self, timeout=50):
+        ctx.non_block_wait(lambda s: s._is_completed, timeout, self, exception=None)
 
         self._is_completed = False
         if self._exception is not None:
@@ -280,8 +280,15 @@ class StationDebug(IWDDBusAbstract):
     def autoconnect(self):
         return self._properties['AutoConnect']
 
-    def connect_bssid(self, address):
-        self._iface.ConnectBssid(dbus.ByteArray.fromhex(address.replace(':', '')))
+    def connect_bssid(self, address, wait=True):
+        self._iface.ConnectBssid(
+            dbus.ByteArray.fromhex(address.replace(':', '')),
+            reply_handler=self._success,
+            error_handler=self._failure
+        )
+
+        if wait:
+            self._wait_for_async_op()
 
     def roam(self, address):
         self._iface.Roam(dbus.ByteArray.fromhex(address.replace(':', '')))
@@ -870,8 +877,8 @@ class Device(IWDDBusAbstract):
     def stop_adhoc(self):
         self._prop_proxy.Set(IWD_DEVICE_INTERFACE, 'Mode', 'station')
 
-    def connect_bssid(self, address):
-        self._station_debug.connect_bssid(address)
+    def connect_bssid(self, address, wait=True):
+        self._station_debug.connect_bssid(address, wait=wait)
 
     def roam(self, address):
         self._station_debug.roam(address)
@@ -999,7 +1006,7 @@ class Network(IWDDBusAbstract):
     def extended_service_set(self):
         return self._properties['ExtendedServiceSet']
 
-    def connect(self, wait=True):
+    def connect(self, wait=True, timeout=50, reply_handler=None, error_handler=None):
         '''
             Connect to the network. Request the device implied by the object
             path to connect to specified network.
@@ -1014,12 +1021,19 @@ class Network(IWDDBusAbstract):
             @rtype: void
         '''
 
+        if not reply_handler:
+            reply_handler = self._success
+
+        if not error_handler:
+            error_handler = self._failure
+
         self._iface.Connect(dbus_interface=self._iface_name,
-                            reply_handler=self._success,
-                            error_handler=self._failure)
+                            reply_handler=reply_handler,
+                            error_handler=error_handler,
+                            timeout=timeout)
 
         if wait:
-            self._wait_for_async_op()
+            self._wait_for_async_op(timeout=timeout)
 
     def __str__(self, prefix = ''):
         return prefix + 'Network:\n' \

configure.ac

@@ -1,5 +1,5 @@
 AC_PREREQ([2.69])
-AC_INIT([iwd],[3.7])
+AC_INIT([iwd],[3.9])
 
 AC_CONFIG_HEADERS(config.h)
 AC_CONFIG_AUX_DIR(build-aux)
@@ -300,7 +300,7 @@ if (test "${enable_external_ell}" = "yes"); then
 			test "${enable_monitor}" != "no" ||
 			test "${enable_wired}" = "yes" ||
 			test "${enable_hwsim}" = "yes"); then
-		ell_min_version="0.72"
+		ell_min_version="0.77"
 	else
 		ell_min_version="0.5"
 	fi

doc/network-api.txt

@@ -11,6 +11,12 @@ Methods		void Connect()
 			the object path to connect to specified network.
 			Connecting to WEP networks is not supported.
 
+			Note: When [General].EnableNetworkConfiguration is set
+			to true a call to Connect() has the potential to take
+			a significant amount of time. Specifically if DHCP is
+			either slow, or is unable to complete. The timeout for
+			DHCP is roughly 30 seconds per BSS.
+
 			Possible errors: net.connman.iwd.Aborted
 					 net.connman.iwd.Busy
 					 net.connman.iwd.Failed

src/ap.c

@@ -109,6 +109,8 @@ struct ap_state {
 	struct l_timeout *rekey_timeout;
 	unsigned int rekey_time;
 
+	uint32_t pre_scan_cmd_id;
+
 	bool started : 1;
 	bool gtk_set : 1;
 	bool netconfig_set_addr4 : 1;
@@ -354,6 +356,12 @@ static void ap_reset(struct ap_state *ap)
 		l_timeout_remove(ap->rekey_timeout);
 		ap->rekey_timeout = NULL;
 	}
+
+	if (ap->pre_scan_cmd_id) {
+		scan_cancel(netdev_get_wdev_id(ap->netdev),
+				ap->pre_scan_cmd_id);
+		ap->pre_scan_cmd_id = 0;
+	}
 }
 
 static bool ap_event_done(struct ap_state *ap, bool prev_in_event)
@@ -3852,6 +3860,70 @@ static int ap_load_config(struct ap_state *ap, const struct l_settings *config,
 	return 0;
 }
 
+static void ap_pre_scan_trigger(int err, void *user_data)
+{
+	struct ap_state *ap = user_data;
+
+	if (err < 0) {
+		l_error("AP pre-scan failed: %i", err);
+		ap_start_failed(ap, err);
+		return;
+	}
+}
+
+static bool ap_check_channel(struct ap_state *ap)
+{
+	const struct band_freq_attrs *freq_attr;
+
+	freq_attr = wiphy_get_frequency_info(netdev_get_wiphy(ap->netdev),
+				band_channel_to_freq(ap->channel, ap->band));
+	if (L_WARN_ON(!freq_attr))
+		return false;
+
+	/* Check if disabled/no-IR */
+	if (freq_attr->disabled || freq_attr->no_ir)
+		return false;
+
+	return true;
+}
+
+static bool ap_pre_scan_notify(int err, struct l_queue *bss_list,
+				const struct scan_freq_set *freqs,
+				void *user_data)
+{
+	struct ap_state *ap = user_data;
+
+	if (!ap_check_channel(ap)) {
+		l_error("Unable to channel %u even after pre-scan",
+			ap->channel);
+		goto error;
+	}
+
+	if (ap_start_send(ap))
+		return false;
+
+error:
+	ap_start_failed(ap, -ENOTSUP);
+	return false;
+}
+
+static void ap_pre_scan_destroy(void *user_data)
+{
+	struct ap_state *ap = user_data;
+
+	ap->pre_scan_cmd_id = 0;
+}
+
+static bool ap_pre_scan(struct ap_state *ap)
+{
+	ap->pre_scan_cmd_id = scan_passive(netdev_get_wdev_id(ap->netdev),
+						NULL, ap_pre_scan_trigger,
+						ap_pre_scan_notify,
+						ap, ap_pre_scan_destroy);
+
+	return ap->pre_scan_cmd_id != 0;
+}
+
 /*
  * Start a simple independent WPA2 AP on given netdev.
  *
@@ -3962,6 +4034,20 @@ struct ap_state *ap_start(struct netdev *netdev, struct l_settings *config,
 		return ap;
 	}
 
+	if (!ap_check_channel(ap)) {
+		l_debug("Channel %u is disabled/no-IR, pre-scanning",
+			ap->channel);
+
+		if (ap_pre_scan(ap)) {
+			if (err_out)
+				*err_out = 0;
+
+			return ap;
+		}
+
+		goto error;
+	}
+
 	if (ap_start_send(ap)) {
 		if (err_out)
 			*err_out = 0;

src/blacklist.c

@@ -45,7 +45,7 @@
 
 static uint64_t blacklist_multiplier;
 static uint64_t blacklist_initial_timeout;
-static uint64_t blacklist_roam_initial_timeout;
+static uint64_t blacklist_ap_busy_initial_timeout;
 static uint64_t blacklist_max_timeout;
 
 struct blacklist_entry {
@@ -67,8 +67,8 @@ static uint64_t get_reason_timeout(enum blacklist_reason reason)
 	switch (reason) {
 	case BLACKLIST_REASON_CONNECT_FAILED:
 		return blacklist_initial_timeout;
-	case BLACKLIST_REASON_ROAM_REQUESTED:
-		return blacklist_roam_initial_timeout;
+	case BLACKLIST_REASON_AP_BUSY:
+		return blacklist_ap_busy_initial_timeout;
 	default:
 		l_warn("Unhandled blacklist reason: %u", reason);
 		return 0;
@@ -218,11 +218,19 @@ static int blacklist_init(void)
 
 	if (!l_settings_get_uint64(config, "Blacklist",
 					"InitialRoamRequestedTimeout",
-					&blacklist_roam_initial_timeout))
-		blacklist_roam_initial_timeout = BLACKLIST_DEFAULT_TIMEOUT;
+					&blacklist_ap_busy_initial_timeout))
+		blacklist_ap_busy_initial_timeout = BLACKLIST_DEFAULT_TIMEOUT;
+	else
+		l_warn("[Blacklist].InitialRoamRequestedTimeout is deprecated, "
+			"use [Blacklist].InitialAccessPointBusyTimeout");
+
+	if (!l_settings_get_uint64(config, "Blacklist",
+					"InitialAccessPointBusyTimeout",
+					&blacklist_ap_busy_initial_timeout))
+		blacklist_ap_busy_initial_timeout = BLACKLIST_DEFAULT_TIMEOUT;
 
 	/* For easier user configuration the timeout values are in seconds */
-	blacklist_roam_initial_timeout *= L_USEC_PER_SEC;
+	blacklist_ap_busy_initial_timeout *= L_USEC_PER_SEC;
 
 	if (!l_settings_get_uint64(config, "Blacklist",
 					"Multiplier",

src/blacklist.h

@@ -27,12 +27,14 @@ enum blacklist_reason {
 	 */
 	BLACKLIST_REASON_CONNECT_FAILED,
 	/*
-	 * This type of blacklist is added when a BSS requests IWD roams
-	 * elsewhere. This is to aid in preventing IWD from roaming/connecting
-	 * back to that BSS in the future unless there are no other "good"
-	 * candidates to connect to.
+	 * This type of blacklist is added when an AP indicates that its unable
+	 * to handle more connections. This is done via BSS-TM requests or
+	 * denied authentications/associations with certain status codes.
+	 *
+	 * Once this type of blacklist is applied to a BSS IWD will attempt to
+	 * avoid roaming to it for a configured period of time.
 	 */
-	BLACKLIST_REASON_ROAM_REQUESTED,
+	BLACKLIST_REASON_AP_BUSY,
 };
 
 void blacklist_add_bss(const uint8_t *addr, enum blacklist_reason reason);

src/iwd.config.rst

@@ -292,12 +292,22 @@ control how long a misbehaved BSS spends on the blacklist.
 
        The initial time that a BSS spends on the blacklist. Setting this to zero
        will disable blacklisting functionality in IWD.
-   * - InitialRoamRequestedTimeout
+   * - InitialRoamRequestedTimeout (**deprecated**)
      - Values: uint64 value in seconds (default: **30**)
 
-       The initial time that a BSS will be marked after a BSS requests a roam.
-       This is to aid in avoiding roaming back to BSS's which are likely
-       overloaded. Setting this to zero will disabled this form of blacklisting.
+       This setting is deprecated, please use
+       [Blacklist].InitialAccessPointBusyTimeout instead.
+   * - InitialAccessPointBusyTimeout
+     - Values: uint64 value in seconds (default: **30**)
+
+       The initial time that a BSS will be blacklisted after indicating it
+       cannot handle more connections. This is triggered by either a BSS
+       transition management request (telling IWD to roam elsewhere) or by a
+       denied authentication or association with the NO_MORE_STAS status code.
+
+       Once a BSS is blacklisted in this manor IWD will attempt to avoid it for
+       the configured amount of time.
+
    * - Multiplier
      - Values: unsigned int value greater than zero, in seconds
        (default: **30**)

src/netdev.c

@@ -5451,6 +5451,39 @@ static void netdev_michael_mic_failure(struct l_genl_msg *msg,
 	l_debug("ifindex=%u key_idx=%u type=%u", netdev->index, idx, type);
 }
 
+#define MAX_COMEBACK_DELAY 1200
+
+static void netdev_assoc_comeback(struct l_genl_msg *msg,
+					struct netdev *netdev)
+{
+	const uint8_t *mac;
+	uint32_t timeout;
+
+	if (L_WARN_ON(!netdev->connected))
+		return;
+
+	if (nl80211_parse_attrs(msg, NL80211_ATTR_MAC, &mac,
+				NL80211_ATTR_TIMEOUT, &timeout,
+				NL80211_ATTR_UNSPEC) < 0)
+		return;
+
+	if (L_WARN_ON(memcmp(mac, netdev->handshake->aa, ETH_ALEN)))
+		return;
+
+	if (timeout <= MAX_COMEBACK_DELAY) {
+		l_debug(MAC" requested an association comeback delay of %u TU",
+			MAC_STR(netdev->handshake->aa), timeout);
+		return;
+	}
+
+	l_debug("Comeback delay of %u exceeded maximum of %u, deauthenticating",
+		timeout, MAX_COMEBACK_DELAY);
+
+	netdev_deauth_and_fail_connection(netdev,
+					NETDEV_RESULT_ASSOCIATION_FAILED,
+					MMPDU_STATUS_CODE_REFUSED_TEMPORARILY);
+}
+
 static void netdev_mlme_notify(struct l_genl_msg *msg, void *user_data)
 {
 	struct netdev *netdev = NULL;
@@ -5504,6 +5537,9 @@ static void netdev_mlme_notify(struct l_genl_msg *msg, void *user_data)
 	case NL80211_CMD_MICHAEL_MIC_FAILURE:
 		netdev_michael_mic_failure(msg, netdev);
 		break;
+	case NL80211_CMD_ASSOC_COMEBACK:
+		netdev_assoc_comeback(msg, netdev);
+		break;
 	}
 }
 

src/network.c

@@ -168,6 +168,11 @@ static bool network_secret_check_cacheable(void *data, void *user_data)
 	return false;
 }
 
+void network_clear_blacklist(struct network *network)
+{
+	l_queue_clear(network->blacklist, NULL);
+}
+
 void network_connected(struct network *network)
 {
 	enum security security = network_get_security(network);
@@ -198,8 +203,6 @@ void network_connected(struct network *network)
 	l_queue_foreach_remove(network->secrets,
 				network_secret_check_cacheable, network);
 
-	l_queue_clear(network->blacklist, NULL);
-
 	network->provisioning_hidden = false;
 }
 
@@ -207,7 +210,7 @@ void network_disconnected(struct network *network)
 {
 	network_settings_close(network);
 
-	l_queue_clear(network->blacklist, NULL);
+	network_clear_blacklist(network);
 
 	if (network->provisioning_hidden)
 		station_hide_network(network->station, network);

src/network.h

@@ -74,6 +74,7 @@ bool network_bss_update(struct network *network, struct scan_bss *bss);
 const char *network_bss_get_path(const struct network *network,
 						const struct scan_bss *bss);
 bool network_bss_list_isempty(struct network *network);
+void network_clear_blacklist(struct network *network);
 
 const char *__network_path_append_bss(const char *network_path,
 					const struct scan_bss *bss);

src/nl80211cmd.c

@@ -177,6 +177,7 @@ static const struct {
 	{ NL80211_CMD_UNPROT_BEACON,		"Unprotected Beacon"	},
 	{ NL80211_CMD_CONTROL_PORT_FRAME_TX_STATUS,
 						"Control Port TX Status" },
+	{ NL80211_CMD_ASSOC_COMEBACK,		"Association comeback delay" },
 	{ }
 };
 

src/nl80211util.c

@@ -190,6 +190,7 @@ static attr_handler handler_for_nl80211(int type)
 	case NL80211_ATTR_CENTER_FREQ2:
 	case NL80211_ATTR_AKM_SUITES:
 	case NL80211_ATTR_EXTERNAL_AUTH_ACTION:
+	case NL80211_ATTR_TIMEOUT:
 		return extract_uint32;
 	case NL80211_ATTR_FRAME:
 		return extract_iovec;

src/sae.c

@@ -169,6 +169,14 @@ static int sae_choose_next_group(struct sae_sm *sm)
 				!sm->handshake->ecc_sae_pts[sm->group_retry])
 			continue;
 
+		/*
+		 * TODO: Groups for P192, P224 and P521 are currently
+		 * non-functional with SAE. Until this is fixed we need to
+		 * avoid these groups from being used.
+		 */
+		if (group == 21 || group == 25 || group == 26)
+			continue;
+
 		break;
 	}
 
@@ -994,7 +1002,8 @@ static int sae_process_anti_clogging(struct sae_sm *sm, const uint8_t *ptr,
 	sm->token_len = len;
 	sm->sync = 0;
 
-	sae_send_commit(sm, true);
+	if (L_WARN_ON(!sae_send_commit(sm, true)))
+		return -EPROTO;
 
 	return -EAGAIN;
 }
@@ -1074,7 +1083,9 @@ static int sae_verify_committed(struct sae_sm *sm, uint16_t transaction,
 			return -ETIMEDOUT;
 
 		sm->sync++;
-		sae_send_commit(sm, true);
+
+		if (L_WARN_ON(!sae_send_commit(sm, true)))
+			return -EPROTO;
 
 		return -EAGAIN;
 	}
@@ -1129,7 +1140,9 @@ static int sae_verify_committed(struct sae_sm *sm, uint16_t transaction,
 				sm->group);
 
 		sm->sync = 0;
-		sae_send_commit(sm, false);
+
+		if (L_WARN_ON(!sae_send_commit(sm, false)))
+			return -EPROTO;
 
 		return -EAGAIN;
 	}
@@ -1294,7 +1307,8 @@ static int sae_verify_confirmed(struct sae_sm *sm, uint16_t trans,
 	sm->sync++;
 	sm->sc++;
 
-	sae_send_commit(sm, true);
+	if (L_WARN_ON(!sae_send_commit(sm, true)))
+		return -EPROTO;
 
 	if (!sae_send_confirm(sm))
 		return -EPROTO;

src/station.c

@@ -191,8 +191,7 @@ static uint32_t evaluate_bss_group_rank(const uint8_t *addr, uint32_t freq,
 	if (blacklist_contains_bss(addr, BLACKLIST_REASON_CONNECT_FAILED))
 		return 0;
 
-	roam_blacklist = blacklist_contains_bss(addr,
-					BLACKLIST_REASON_ROAM_REQUESTED);
+	roam_blacklist = blacklist_contains_bss(addr, BLACKLIST_REASON_AP_BUSY);
 	good_signal = signal >= netdev_get_low_signal_threshold(freq);
 
 	if (good_signal)
@@ -1796,6 +1795,15 @@ static void station_enter_state(struct station *station,
 		periodic_scan_stop(station);
 		break;
 	case STATION_STATE_CONNECTED:
+		network_clear_blacklist(station->connected_network);
+
+		if (station->connect_pending) {
+			struct l_dbus_message *reply =
+				l_dbus_message_new_method_return(
+						station->connect_pending);
+			dbus_pending_reply(&station->connect_pending, reply);
+		}
+
 		l_dbus_object_add_interface(dbus,
 					netdev_get_path(station->netdev),
 					IWD_STATION_DIAGNOSTIC_INTERFACE,
@@ -2215,6 +2223,26 @@ static void station_early_neighbor_report_cb(struct netdev *netdev, int err,
 				&station->roam_freqs);
 }
 
+static bool station_try_next_bss(struct station *station)
+{
+	struct scan_bss *next;
+	int ret;
+
+	next = network_bss_select(station->connected_network, false);
+
+	if (!next)
+		return false;
+
+	ret = __station_connect_network(station, station->connected_network,
+						next, station->state);
+	if (ret < 0)
+		return false;
+
+	l_debug("Attempting to connect to next BSS "MAC, MAC_STR(next->addr));
+
+	return true;
+}
+
 static bool station_can_fast_transition(struct station *station,
 					struct handshake_state *hs,
 					struct scan_bss *bss)
@@ -2257,28 +2285,26 @@ static bool station_can_fast_transition(struct station *station,
 	return true;
 }
 
-static void station_disconnect_on_error_cb(struct netdev *netdev, bool success,
-					void *user_data)
+static void station_disconnect_on_netconfig_failed(struct netdev *netdev,
+							bool success,
+							void *user_data)
 {
 	struct station *station = user_data;
-	bool continue_autoconnect;
-
-	station_enter_state(station, STATION_STATE_DISCONNECTED);
-
-	continue_autoconnect = station->state == STATION_STATE_CONNECTING_AUTO;
-
-	if (continue_autoconnect) {
-		if (station_autoconnect_next(station) < 0) {
-			l_debug("Nothing left on autoconnect list");
-			station_enter_state(station,
-					STATION_STATE_AUTOCONNECT_FULL);
-		}
 
+	if (station_try_next_bss(station))
 		return;
+
+	if (station->connect_pending) {
+		struct l_dbus_message *reply = dbus_error_failed(
+						station->connect_pending);
+
+		dbus_pending_reply(&station->connect_pending, reply);
 	}
 
-	if (station->autoconnect)
-		station_enter_state(station, STATION_STATE_AUTOCONNECT_QUICK);
+	station_reset_connection_state(station);
+
+	station_enter_state(station, STATION_STATE_DISCONNECTED);
+	station_enter_state(station, STATION_STATE_AUTOCONNECT_FULL);
 }
 
 static void station_netconfig_event_handler(enum netconfig_event event,
@@ -2291,23 +2317,20 @@ static void station_netconfig_event_handler(enum netconfig_event event,
 		station_enter_state(station, STATION_STATE_CONNECTED);
 		break;
 	case NETCONFIG_EVENT_FAILED:
-		if (station->connect_pending) {
-			struct l_dbus_message *reply = dbus_error_failed(
-						station->connect_pending);
+		station_debug_event(station, "netconfig-failed");
 
-			dbus_pending_reply(&station->connect_pending, reply);
-		}
+		netconfig_reset(station->netconfig);
 
 		if (station->state == STATION_STATE_NETCONFIG)
 			network_connect_failed(station->connected_network,
 						false);
 
-		netdev_disconnect(station->netdev,
-					station_disconnect_on_error_cb,
-					station);
-		station_reset_connection_state(station);
+		network_blacklist_add(station->connected_network,
+						station->connected_bss);
 
-		station_enter_state(station, STATION_STATE_DISCONNECTING);
+		netdev_disconnect(station->netdev,
+					station_disconnect_on_netconfig_failed,
+					station);
 		break;
 	default:
 		l_error("station: Unsupported netconfig event: %d.", event);
@@ -3326,7 +3349,7 @@ static void station_ap_directed_roam(struct station *station,
 	}
 
 	blacklist_add_bss(station->connected_bss->addr,
-				BLACKLIST_REASON_ROAM_REQUESTED);
+				BLACKLIST_REASON_AP_BUSY);
 	station_debug_event(station, "ap-roam-blacklist-added");
 
 	/*
@@ -3410,26 +3433,6 @@ static void station_event_channel_switched(struct station *station,
 	network_bss_update(network, station->connected_bss);
 }
 
-static bool station_try_next_bss(struct station *station)
-{
-	struct scan_bss *next;
-	int ret;
-
-	next = network_bss_select(station->connected_network, false);
-
-	if (!next)
-		return false;
-
-	ret = __station_connect_network(station, station->connected_network,
-						next, station->state);
-	if (ret < 0)
-		return false;
-
-	l_debug("Attempting to connect to next BSS "MAC, MAC_STR(next->addr));
-
-	return true;
-}
-
 static bool station_retry_owe_default_group(struct station *station)
 {
 	/*
@@ -3523,13 +3526,6 @@ static bool station_pmksa_fallback(struct station *station, uint16_t status)
 	return true;
 }
 
-/* A bit more concise for trying to fit these into 80 characters */
-#define IS_TEMPORARY_STATUS(code) \
-	((code) == MMPDU_STATUS_CODE_DENIED_UNSUFFICIENT_BANDWIDTH || \
-	(code) == MMPDU_STATUS_CODE_DENIED_POOR_CHAN_CONDITIONS || \
-	(code) == MMPDU_STATUS_CODE_REJECTED_WITH_SUGG_BSS_TRANS || \
-	(code) == MMPDU_STATUS_CODE_DENIED_NO_MORE_STAS)
-
 static bool station_retry_with_status(struct station *station,
 					uint16_t status_code)
 {
@@ -3537,19 +3533,37 @@ static bool station_retry_with_status(struct station *station,
 	if (station_pmksa_fallback(station, status_code))
 		goto try_next;
 
+	switch (status_code) {
 	/*
 	 * Certain Auth/Assoc failures should not cause a timeout blacklist.
 	 * In these cases we want to only temporarily blacklist the BSS until
 	 * the connection is complete.
-	 *
+	 */
+	case MMPDU_STATUS_CODE_DENIED_UNSUFFICIENT_BANDWIDTH:
+	case MMPDU_STATUS_CODE_DENIED_POOR_CHAN_CONDITIONS:
+	/*
 	 * TODO: The WITH_SUGG_BSS_TRANS case should also include a neighbor
 	 *       report IE in the frame. This would allow us to target a
 	 *       specific BSS on our next attempt. There is currently no way to
 	 *       obtain that IE, but this should be done in the future.
+	*/
+	case MMPDU_STATUS_CODE_REJECTED_WITH_SUGG_BSS_TRANS:
+		break;
+	/*
+	 * If a BSS is indicating its unable to handle more connections we will
+	 * blacklist this the same way we do for BSS's issuing BSS-TM requests
+	 * thereby avoiding roams to this BSS for the configured timeout.
 	 */
-	if (!IS_TEMPORARY_STATUS(status_code))
+	case MMPDU_STATUS_CODE_DENIED_NO_MORE_STAS:
+		blacklist_add_bss(station->connected_bss->addr,
+					BLACKLIST_REASON_AP_BUSY);
+		break;
+	/* For any other status codes, blacklist the BSS */
+	default:
 		blacklist_add_bss(station->connected_bss->addr,
 					BLACKLIST_REASON_CONNECT_FAILED);
+		break;
+	}
 
 	/*
 	 * Unconditionally network blacklist the BSS if we are retrying. This
@@ -3571,13 +3585,6 @@ static void station_connect_ok(struct station *station)
 
 	l_debug("");
 
-	if (station->connect_pending) {
-		struct l_dbus_message *reply =
-			l_dbus_message_new_method_return(
-						station->connect_pending);
-		dbus_pending_reply(&station->connect_pending, reply);
-	}
-
 	/*
 	 * Get a neighbor report now so future roams can avoid waiting for
 	 * a report at that time

unit/test-cmac-aes.c

@@ -138,20 +138,22 @@ static const struct cmac_data example_4 = {
 	.tag_len	= sizeof(tag_4),
 };
 
+static bool test_precheck(const void *data)
+{
+	return l_checksum_cmac_aes_supported();
+}
+
+#define add_test(name, func, data) l_test_add_data_func_precheck(name, data, \
+							func, test_precheck, 0)
+
 int main(int argc, char *argv[])
 {
 	l_test_init(&argc, &argv);
 
-	if (!l_checksum_cmac_aes_supported()) {
-		printf("AES-CMAC support missing, skipping...\n");
-		goto done;
-	}
+	add_test("/cmac-aes/Example 1", cmac_test, &example_1);
+	add_test("/cmac-aes/Example 2", cmac_test, &example_2);
+	add_test("/cmac-aes/Example 3", cmac_test, &example_3);
+	add_test("/cmac-aes/Example 4", cmac_test, &example_4);
 
-	l_test_add("/cmac-aes/Example 1", cmac_test, &example_1);
-	l_test_add("/cmac-aes/Example 2", cmac_test, &example_2);
-	l_test_add("/cmac-aes/Example 3", cmac_test, &example_3);
-	l_test_add("/cmac-aes/Example 4", cmac_test, &example_4);
-
-done:
 	return l_test_run();
 }

unit/test-crypto.c

@@ -403,40 +403,32 @@ static void aes_siv_test(const void *data)
 	assert(memcmp(decrypted, plaintext, sizeof(decrypted)) == 0);
 }
 
+static bool test_precheck(const void *data)
+{
+	return (l_cipher_is_supported(L_CIPHER_AES) &&
+		l_checksum_is_supported(L_CHECKSUM_SHA1, true));
+}
+
+#define add_test(name, func, data) l_test_add_data_func_precheck(name, data, \
+							func, test_precheck, 0)
 int main(int argc, char *argv[])
 {
 	l_test_init(&argc, &argv);
 
-	if (!l_checksum_is_supported(L_CHECKSUM_SHA1, true)) {
-		printf("SHA1 support missing, skipping...\n");
-		goto done;
-	}
+	add_test("/Passphrase Generator/PSK Test Case 1",
+						psk_test, &psk_test_case_1);
+	add_test("/Passphrase Generator/PSK Test Case 2",
+						psk_test, &psk_test_case_2);
+	add_test("/Passphrase Generator/PSK Test Case 3",
+						psk_test, &psk_test_case_3);
 
-	if (!l_cipher_is_supported(L_CIPHER_AES)) {
-		printf("AES support missing, skipping...\n");
-		goto done;
-	}
+	add_test("/PTK Derivation/PTK Test Case 1", ptk_test, &ptk_test_1);
+	add_test("/PTK Derivation/PTK Test Case 2", ptk_test, &ptk_test_2);
+	add_test("/PTK Derivation/PTK Test Case 3", ptk_test, &ptk_test_3);
+	add_test("/PTK Derivation/PTK Test Case 4", ptk_test, &ptk_test_4);
 
-	l_test_add("/Passphrase Generator/PSK Test Case 1",
-			psk_test, &psk_test_case_1);
-	l_test_add("/Passphrase Generator/PSK Test Case 2",
-			psk_test, &psk_test_case_2);
-	l_test_add("/Passphrase Generator/PSK Test Case 3",
-			psk_test, &psk_test_case_3);
+	add_test("/AES Key-wrap/Wrap & unwrap", aes_wrap_test, NULL);
+	add_test("/AES-SIV", aes_siv_test, NULL);
 
-	l_test_add("/PTK Derivation/PTK Test Case 1",
-			ptk_test, &ptk_test_1);
-	l_test_add("/PTK Derivation/PTK Test Case 2",
-			ptk_test, &ptk_test_2);
-	l_test_add("/PTK Derivation/PTK Test Case 3",
-			ptk_test, &ptk_test_3);
-	l_test_add("/PTK Derivation/PTK Test Case 4",
-			ptk_test, &ptk_test_4);
-
-	l_test_add("/AES Key-wrap/Wrap & unwrap",
-			aes_wrap_test, NULL);
-	l_test_add("/AES-SIV", aes_siv_test, NULL);
-
-done:
 	return l_test_run();
 }

unit/test-dpp.c

@@ -577,22 +577,25 @@ static void test_pkex_key_derivation(const void *user_data)
 	CHECK_FROM_STR(vector->v, tmp, 32);
 }
 
+static bool test_precheck(const void *data)
+{
+	return (l_getrandom_is_supported() &&
+		l_checksum_is_supported(L_CHECKSUM_SHA256, true));
+}
+
+#define add_test(name, func, data) l_test_add_data_func_precheck(name, data, \
+							func, test_precheck, 0)
+
 int main(int argc, char *argv[])
 {
 	l_test_init(&argc, &argv);
 
-	if (l_checksum_is_supported(L_CHECKSUM_SHA256, true) &&
-						l_getrandom_is_supported()) {
-		l_test_add("DPP test responder-only key derivation",
-						test_key_derivation,
-						&responder_only_p256);
-		l_test_add("DPP test mutual key derivation",
-						test_key_derivation,
-						&mutual_p256);
-		l_test_add("DPP test PKEX key derivation",
-						test_pkex_key_derivation,
-						&pkex_vector);
-	}
+	add_test("DPP test responder-only key derivation", test_key_derivation,
+							&responder_only_p256);
+	add_test("DPP test mutual key derivation", test_key_derivation,
+							&mutual_p256);
+	add_test("DPP test PKEX key derivation", test_pkex_key_derivation,
+							&pkex_vector);
 
 	l_test_add("DPP URI parse", test_uri_parse, &all_values);
 	l_test_add("DPP URI no type", test_uri_parse, &no_type);

unit/test-eap-mschapv2.c

@@ -131,27 +131,23 @@ static void test_get_asym_key(const void *data)
 	assert(!memcmp(msk, m_session_key, sizeof(m_session_key)));
 }
 
+static bool test_precheck(const void *data)
+{
+	return l_checksum_is_supported(L_CHECKSUM_MD4, false);
+}
+
+#define add_test(name, func) l_test_add_func_precheck(name, func, \
+							test_precheck, 0)
 
 int main(int argc, char *argv[])
 {
 	l_test_init(&argc, &argv);
 
-	if (!l_checksum_is_supported(L_CHECKSUM_MD4, false)) {
-		printf("MD4 support missing, skipping...\n");
-		goto done;
-	}
+	add_test("MSHAPv2 nt_password-hash", test_nt_password_hash);
+	add_test("MSHAPv2 generate_nt_response", test_generate_nt_response);
+	add_test("MSHAPv2 get_master_key", test_get_master_key);
+	add_test("MSHAPv2 get_asym_state_key", test_get_asym_key);
+	add_test("MSHAPv2 authenticator_response", test_authenticator_response);
 
-	l_test_add("MSHAPv2 nt_password-hash",
-			test_nt_password_hash, NULL);
-	l_test_add("MSHAPv2 generate_nt_response",
-			test_generate_nt_response, NULL);
-	l_test_add("MSHAPv2 get_master_key",
-			test_get_master_key, NULL);
-	l_test_add("MSHAPv2 get_asym_state_key",
-			test_get_asym_key, NULL);
-	l_test_add("MSHAPv2 authenticator_response",
-			test_authenticator_response, NULL);
-
-done:
 	return l_test_run();
 }

unit/test-eapol.c

@@ -3908,6 +3908,38 @@ static void eapol_ap_sta_handshake_ip_alloc_no_req_test(const void *data)
 #define _IS_ENABLED2(one_or_two_args) _IS_ENABLED3(one_or_two_args true, false)
 #define _IS_ENABLED3(ignore_this, val, ...) val
 
+static bool hash_precheck(const void *data)
+{
+	return (l_checksum_is_supported(L_CHECKSUM_MD5, true) &&
+		l_checksum_is_supported(L_CHECKSUM_SHA1, true));
+}
+
+static bool aes_precheck(const void *data)
+{
+	return (l_cipher_is_supported(L_CIPHER_AES) &&
+		l_checksum_is_supported(L_CHECKSUM_MD5, true) &&
+		l_checksum_is_supported(L_CHECKSUM_SHA1, true));
+}
+
+static bool pkcs8_precheck(const void *data)
+{
+	return (IS_ENABLED(HAVE_PKCS8_SUPPORT) &&
+		l_cipher_is_supported(L_CIPHER_AES) &&
+		l_cipher_is_supported(L_CIPHER_AES_CBC) &&
+		l_cipher_is_supported(L_CIPHER_DES3_EDE_CBC) &&
+		l_checksum_is_supported(L_CHECKSUM_MD5, true) &&
+		l_checksum_is_supported(L_CHECKSUM_SHA1, true) &&
+		l_key_is_supported(L_KEY_FEATURE_CRYPTO) &&
+		l_key_is_supported(L_KEY_FEATURE_RESTRICT));
+}
+
+#define add_hash_test(name, func, data) l_test_add_data_func_precheck(name, \
+						data, func, hash_precheck, 0)
+#define add_aes_test(name, func, data) l_test_add_data_func_precheck(name, \
+						data, func, aes_precheck, 0)
+#define add_pkcs8_test(name, func, data) l_test_add_data_func_precheck(name, \
+						data, func, pkcs8_precheck, 0)
+
 int main(int argc, char *argv[])
 {
 	l_test_init(&argc, &argv);
@@ -3977,80 +4009,55 @@ int main(int argc, char *argv[])
 	l_test_add("/EAPoL Key/Key Frame 32",
 			eapol_key_test, &eapol_key_test_32);
 
-	if (!l_checksum_is_supported(L_CHECKSUM_MD5, true) ||
-			!l_checksum_is_supported(L_CHECKSUM_SHA1, true))
-		goto done;
-
-	l_test_add("/EAPoL Key/MIC Test 1",
+	add_hash_test("/EAPoL Key/MIC Test 1",
 			eapol_key_mic_test, &eapol_key_mic_test_1);
-	l_test_add("/EAPoL Key/MIC Test 2",
+	add_hash_test("/EAPoL Key/MIC Test 2",
 			eapol_key_mic_test, &eapol_key_mic_test_2);
-
-	l_test_add("/EAPoL Key/Calculate MIC Test 1",
+	add_hash_test("/EAPoL Key/Calculate MIC Test 1",
 			eapol_calculate_mic_test, &eapol_calculate_mic_test_1);
 
-	if (!l_cipher_is_supported(L_CIPHER_AES))
-		goto done;
+	add_aes_test("EAPoL/WPA2 4-Way Handshake",
+				eapol_4way_test, NULL);
+	add_aes_test("EAPoL/WPA2 4-Way & GTK Handshake",
+				eapol_wpa2_handshake_test, NULL);
+	add_aes_test("EAPoL/WPA 4-Way & GTK Handshake",
+				eapol_wpa_handshake_test, NULL);
+	add_aes_test("EAPoL/WPA2 PTK State Machine",
+				eapol_sm_test_ptk, NULL);
+	add_aes_test("EAPoL IGTK & 4-Way Handshake",
+				eapol_sm_test_igtk, NULL);
+	add_aes_test("EAPoL/WPA2 PTK & GTK State Machine",
+				eapol_sm_test_wpa2_ptk_gtk, NULL);
+	add_aes_test("EAPoL/WPA PTK & GTK State Machine Test 1",
+				eapol_sm_test_wpa_ptk_gtk, NULL);
+	add_aes_test("EAPoL/WPA PTK & GTK State Machine Test 2",
+				eapol_sm_test_wpa_ptk_gtk_2, NULL);
+	add_aes_test("EAPoL/WPA2 Retransmit Test",
+				eapol_sm_wpa2_retransmit_test, NULL);
 
-	l_test_add("EAPoL/WPA2 4-Way Handshake",
-			&eapol_4way_test, NULL);
+	add_pkcs8_test("EAPoL/8021x EAP-TLS & 4-Way Handshake",
+				eapol_sm_test_eap_tls, NULL);
+	add_pkcs8_test("EAPoL/8021x EAP-TTLS+EAP-MD5 & 4-Way Handshake",
+				eapol_sm_test_eap_ttls_md5, NULL);
+	add_pkcs8_test("EAPoL/8021x EAP NAK",
+				eapol_sm_test_eap_nak, NULL);
+	add_pkcs8_test("EAPoL/8021x EAP-TLS subject name match",
+				eapol_sm_test_eap_tls_subject_good, NULL);
+	add_pkcs8_test("EAPoL/8021x EAP-TLS subject name mismatch",
+				eapol_sm_test_eap_tls_subject_bad, NULL);
+	add_pkcs8_test("EAPoL/8021x EAP-TLS embedded certs",
+				eapol_sm_test_eap_tls_embedded, NULL);
 
-	l_test_add("EAPoL/WPA2 4-Way & GTK Handshake",
-			&eapol_wpa2_handshake_test, NULL);
+	add_aes_test("EAPoL/FT-Using-PSK 4-Way Handshake",
+			eapol_ft_handshake_test, NULL);
+	add_aes_test("EAPoL/Supplicant+Authenticator 4-Way Handshake",
+			eapol_ap_sta_handshake_test, NULL);
+	add_aes_test("EAPoL/Supplicant+Authenticator 4-Way Handshake Bad PSK",
+			eapol_ap_sta_handshake_bad_psk_test, NULL);
+	add_aes_test("EAPoL/Supplicant+Authenticator IP Allocation OK",
+			eapol_ap_sta_handshake_ip_alloc_ok_test, NULL);
+	add_aes_test("EAPoL/Supplicant+Authenticator IP Allocation no request",
+			eapol_ap_sta_handshake_ip_alloc_no_req_test, NULL);
 
-	l_test_add("EAPoL/WPA 4-Way & GTK Handshake",
-			&eapol_wpa_handshake_test, NULL);
-
-	l_test_add("EAPoL/WPA2 PTK State Machine", &eapol_sm_test_ptk, NULL);
-
-	l_test_add("EAPoL IGTK & 4-Way Handshake",
-			&eapol_sm_test_igtk, NULL);
-
-	l_test_add("EAPoL/WPA2 PTK & GTK State Machine",
-			&eapol_sm_test_wpa2_ptk_gtk, NULL);
-
-	l_test_add("EAPoL/WPA PTK & GTK State Machine Test 1",
-			&eapol_sm_test_wpa_ptk_gtk, NULL);
-
-	l_test_add("EAPoL/WPA PTK & GTK State Machine Test 2",
-			&eapol_sm_test_wpa_ptk_gtk_2, NULL);
-
-	l_test_add("EAPoL/WPA2 Retransmit Test",
-			&eapol_sm_wpa2_retransmit_test, NULL);
-
-	if (IS_ENABLED(HAVE_PKCS8_SUPPORT) &&
-			l_cipher_is_supported(L_CIPHER_DES3_EDE_CBC) &&
-			l_cipher_is_supported(L_CIPHER_AES_CBC) &&
-			l_key_is_supported(L_KEY_FEATURE_RESTRICT |
-						L_KEY_FEATURE_CRYPTO)) {
-		l_test_add("EAPoL/8021x EAP-TLS & 4-Way Handshake",
-					&eapol_sm_test_eap_tls, NULL);
-
-		l_test_add("EAPoL/8021x EAP-TTLS+EAP-MD5 & 4-Way Handshake",
-					&eapol_sm_test_eap_ttls_md5, NULL);
-		l_test_add("EAPoL/8021x EAP NAK",
-				&eapol_sm_test_eap_nak, NULL);
-
-		l_test_add("EAPoL/8021x EAP-TLS subject name match",
-				&eapol_sm_test_eap_tls_subject_good, NULL);
-		l_test_add("EAPoL/8021x EAP-TLS subject name mismatch",
-				&eapol_sm_test_eap_tls_subject_bad, NULL);
-		l_test_add("EAPoL/8021x EAP-TLS embedded certs",
-				&eapol_sm_test_eap_tls_embedded, NULL);
-	}
-
-	l_test_add("EAPoL/FT-Using-PSK 4-Way Handshake",
-			&eapol_ft_handshake_test, NULL);
-
-	l_test_add("EAPoL/Supplicant+Authenticator 4-Way Handshake",
-			&eapol_ap_sta_handshake_test, NULL);
-	l_test_add("EAPoL/Supplicant+Authenticator 4-Way Handshake Bad PSK",
-			&eapol_ap_sta_handshake_bad_psk_test, NULL);
-	l_test_add("EAPoL/Supplicant+Authenticator IP Allocation OK",
-			&eapol_ap_sta_handshake_ip_alloc_ok_test, NULL);
-	l_test_add("EAPoL/Supplicant+Authenticator IP Allocation no request",
-			&eapol_ap_sta_handshake_ip_alloc_no_req_test, NULL);
-
-done:
 	return l_test_run();
 }

unit/test-hmac-md5.c

@@ -81,18 +81,20 @@ static const struct hmac_data test_case_2 = {
 	.hmac		= "80070713463e7749b90c2dc24911e275",
 };
 
+static bool test_precheck(const void *data)
+{
+	return l_checksum_is_supported(L_CHECKSUM_MD5, true);
+}
+
+#define add_test(name, func, data) l_test_add_data_func_precheck(name, data, \
+							func, test_precheck, 0)
+
 int main(int argc, char *argv[])
 {
 	l_test_init(&argc, &argv);
 
-	if (!l_checksum_is_supported(L_CHECKSUM_MD5, true)) {
-		printf("MD5 support missing, skipping...\n");
-		goto done;
-	}
+	add_test("/hmac-md5/Test case 1", hmac_test, &test_case_1);
+	add_test("/hmac-md5/Test case 2", hmac_test, &test_case_2);
 
-	l_test_add("/hmac-md5/Test case 1", hmac_test, &test_case_1);
-	l_test_add("/hmac-md5/Test case 2", hmac_test, &test_case_2);
-
-done:
 	return l_test_run();
 }

unit/test-hmac-sha1.c

@@ -81,18 +81,20 @@ static const struct hmac_data test_case_2 = {
 	.hmac		= "de7c9b85b8b78aa6bc8a7a36f70a90701c9db4d9",
 };
 
+static bool test_precheck(const void *data)
+{
+	return l_checksum_is_supported(L_CHECKSUM_SHA1, true);
+}
+
+#define add_test(name, func, data) l_test_add_data_func_precheck(name, data, \
+							func, test_precheck, 0)
+
 int main(int argc, char *argv[])
 {
 	l_test_init(&argc, &argv);
 
-	if (!l_checksum_is_supported(L_CHECKSUM_SHA1, true)) {
-		printf("SHA1 support missing, skipping...\n");
-		goto done;
-	}
+	add_test("/hmac-sha1/Test case 1", hmac_test, &test_case_1);
+	add_test("/hmac-sha1/Test case 2", hmac_test, &test_case_2);
 
-	l_test_add("/hmac-sha1/Test case 1", hmac_test, &test_case_1);
-	l_test_add("/hmac-sha1/Test case 2", hmac_test, &test_case_2);
-
-done:
 	return l_test_run();
 }

unit/test-hmac-sha256.c

@@ -83,18 +83,20 @@ static const struct hmac_data test_case_2 = {
 			  "ef4d59a14946175997479dbc2d1a3cd8",
 };
 
+static bool test_precheck(const void *data)
+{
+	return l_checksum_is_supported(L_CHECKSUM_SHA256, true);
+}
+
+#define add_test(name, func, data) l_test_add_data_func_precheck(name, data, \
+							func, test_precheck, 0)
+
 int main(int argc, char *argv[])
 {
 	l_test_init(&argc, &argv);
 
-	if (!l_checksum_is_supported(L_CHECKSUM_SHA256, true)) {
-		printf("SHA256 support missing, skipping...\n");
-		goto done;
-	}
+	add_test("/hmac-sha256/Test case 1", hmac_test, &test_case_1);
+	add_test("/hmac-sha256/Test case 2", hmac_test, &test_case_2);
 
-	l_test_add("/hmac-sha256/Test case 1", hmac_test, &test_case_1);
-	l_test_add("/hmac-sha256/Test case 2", hmac_test, &test_case_2);
-
-done:
 	return l_test_run();
 }

unit/test-kdf-sha256.c

@@ -81,17 +81,19 @@ static const struct kdf_data test_case_1 = {
 			  "84f7d2291143d4d4",
 };
 
+static bool test_precheck(const void *data)
+{
+	return l_checksum_is_supported(L_CHECKSUM_SHA256, true);
+}
+
+#define add_test(name, func, data) l_test_add_data_func_precheck(name, data, \
+							func, test_precheck, 0)
+
 int main(int argc, char *argv[])
 {
 	l_test_init(&argc, &argv);
 
-	if (!l_checksum_is_supported(L_CHECKSUM_SHA256, true)) {
-		printf("SHA256 support missing, skipping...\n");
-		goto done;
-	}
+	add_test("/kdf-sha256/Test case 1", kdf_test, &test_case_1);
 
-	l_test_add("/kdf-sha256/Test case 1", kdf_test, &test_case_1);
-
-done:
 	return l_test_run();
 }

unit/test-prf-sha1.c

@@ -113,19 +113,21 @@ static const struct prf_data test_case_3 = {
 			  "f7b4abd43d87f0a68f1cbd9e2b6f7607",
 };
 
+static bool test_precheck(const void *data)
+{
+	return l_checksum_is_supported(L_CHECKSUM_SHA1, true);
+}
+
+#define add_test(name, func, data) l_test_add_data_func_precheck(name, data, \
+							func, test_precheck, 0)
+
 int main(int argc, char *argv[])
 {
 	l_test_init(&argc, &argv);
 
-	if (!l_checksum_is_supported(L_CHECKSUM_SHA1, true)) {
-		printf("SHA1 support missing, skipping...\n");
-		goto done;
-	}
+	add_test("/prf-sha1/Test case 1", prf_test, &test_case_1);
+	add_test("/prf-sha1/Test case 2", prf_test, &test_case_2);
+	add_test("/prf-sha1/Test case 3", prf_test, &test_case_3);
 
-	l_test_add("/prf-sha1/Test case 1", prf_test, &test_case_1);
-	l_test_add("/prf-sha1/Test case 2", prf_test, &test_case_2);
-	l_test_add("/prf-sha1/Test case 3", prf_test, &test_case_3);
-
-done:
 	return l_test_run();
 }

unit/test-sae.c

@@ -871,32 +871,29 @@ static void test_pt_pwe(const void *data)
 	l_ecc_point_free(pt);
 }
 
+static bool test_precheck(const void *data)
+{
+	return (l_getrandom_is_supported() &&
+		l_checksum_is_supported(L_CHECKSUM_SHA256, true));
+}
+
+#define add_test(name, func) l_test_add_func_precheck(name, func, \
+							test_precheck, 0)
+
 int main(int argc, char *argv[])
 {
 	l_test_init(&argc, &argv);
 
-	if (!l_getrandom_is_supported()) {
-		l_info("l_getrandom not supported, skipping...");
-		goto done;
-	}
+	add_test("SAE anti-clogging", test_clogging);
+	add_test("SAE early confirm", test_early_confirm);
+	add_test("SAE reflection", test_reflection);
+	add_test("SAE malformed commit", test_malformed_commit);
+	add_test("SAE malformed confirm", test_malformed_confirm);
+	add_test("SAE bad group", test_bad_group);
+	add_test("SAE bad confirm", test_bad_confirm);
+	add_test("SAE confirm after accept", test_confirm_after_accept);
+	add_test("SAE end-to-end", test_end_to_end);
+	add_test("SAE pt-pwe", test_pt_pwe);
 
-	if (!l_checksum_is_supported(L_CHECKSUM_SHA256, true)) {
-		l_info("SHA256/HMAC_SHA256 not supported, skipping...");
-		goto done;
-	}
-
-	l_test_add("SAE anti-clogging", test_clogging, NULL);
-	l_test_add("SAE early confirm", test_early_confirm, NULL);
-	l_test_add("SAE reflection", test_reflection, NULL);
-	l_test_add("SAE malformed commit", test_malformed_commit, NULL);
-	l_test_add("SAE malformed confirm", test_malformed_confirm, NULL);
-	l_test_add("SAE bad group", test_bad_group, NULL);
-	l_test_add("SAE bad confirm", test_bad_confirm, NULL);
-	l_test_add("SAE confirm after accept", test_confirm_after_accept, NULL);
-	l_test_add("SAE end-to-end", test_end_to_end, NULL);
-
-	l_test_add("SAE pt-pwe", test_pt_pwe, NULL);
-
-done:
 	return l_test_run();
 }

unit/test-storage.c

@@ -30,26 +30,37 @@
 
 #include "src/storage.h"
 
+static bool aes_ctr_supported(const void *data)
+{
+	return l_cipher_is_supported(L_CIPHER_AES_CTR);
+}
+
 static void test_short_encrypted_bytes(const void *data)
 {
 	struct l_settings *settings = l_settings_new();
 	bool changed;
+	int err;
+
+	storage_init((const uint8_t *)"abc123", 6);
 
 	l_settings_set_string(settings, "Security", "EncryptedSecurity", "012345");
 	l_settings_set_string(settings, "Security", "EncryptedSalt", "012345");
 
-	assert(__storage_decrypt(settings, "mySSID", &changed) < 0);
+	err = __storage_decrypt(settings, "mySSID", &changed);
+	assert(err == -EBADMSG);
+
 	l_settings_free(settings);
+
+	storage_exit();
 }
 
 int main(int argc, char *argv[])
 {
 	l_test_init(&argc, &argv);
 
-	storage_init((const uint8_t *)"abc123", 6);
-
-	l_test_add("/storage/profile encryption",
-			test_short_encrypted_bytes, NULL);
+	l_test_add_func_precheck("/storage/profile encryption",
+						test_short_encrypted_bytes,
+						aes_ctr_supported, 0);
 
 	return l_test_run();
 }

unit/test-wsc.c

@@ -2574,6 +2574,40 @@ struct wsc_credential wsc_r_test_open_cred = {
 	.encryption_type = WSC_ENCRYPTION_TYPE_NONE,
 };
 
+static bool getrandom_precheck(const void *data)
+{
+	return l_getrandom_is_supported();
+}
+
+static bool aes_cbc_precheck(const void *data)
+{
+	return (l_key_is_supported(L_KEY_FEATURE_DH) &&
+		l_cipher_is_supported(L_CIPHER_AES_CBC));
+}
+
+static bool key_crypto_precheck(const void *data)
+{
+	return (l_key_is_supported(L_KEY_FEATURE_CRYPTO) &&
+		l_checksum_is_supported(L_CHECKSUM_SHA256, true));
+}
+
+static bool key_dh_precheck(const void *data)
+{
+	return (l_key_is_supported(L_KEY_FEATURE_DH) &&
+		l_key_is_supported(L_KEY_FEATURE_CRYPTO) &&
+		l_checksum_is_supported(L_CHECKSUM_SHA256, true));
+}
+
+#define add_aes_cbc_test(name, func, data) l_test_add_data_func_precheck(name, \
+							data, func, \
+							aes_cbc_precheck, 0)
+#define add_crypto_test(name, func, data) l_test_add_data_func_precheck(name, \
+							data, func, \
+							key_crypto_precheck, 0)
+#define add_dh_test(name, func, data) l_test_add_data_func_precheck(name, \
+							data, func, \
+							key_dh_precheck, 0)
+
 int main(int argc, char *argv[])
 {
 	l_test_init(&argc, &argv);
@@ -2595,8 +2629,8 @@ int main(int argc, char *argv[])
 	l_test_add("/wsc/pin/valid pin", wsc_test_pin_valid, NULL);
 	l_test_add("/wsc/pin/valid checksum", wsc_test_pin_checksum, NULL);
 
-	if (l_getrandom_is_supported())
-		l_test_add("/wsc/pin/generate", wsc_test_pin_generate, NULL);
+	l_test_add_func_precheck("/wsc/pin/generate", wsc_test_pin_generate,
+							getrandom_precheck, 0);
 
 	l_test_add("/wsc/gen_uuid/1", wsc_test_uuid_from_addr,
 					&uuid_from_addr_data_1);
@@ -2607,96 +2641,77 @@ int main(int argc, char *argv[])
 	l_test_add("/wsc/build/m1 1", wsc_test_build_m1, &m1_data_1);
 	l_test_add("/wsc/build/m1 2", wsc_test_build_m1, &m1_data_2);
 
-	if (!l_checksum_is_supported(L_CHECKSUM_SHA256, true)) {
-		printf("SHA256 support missing, skipping other tests...\n");
-		goto done;
-	}
+	add_dh_test("/wsc/parse/m2 1", wsc_test_parse_m2, &m2_data_1);
+	add_dh_test("/wsc/parse/m2 2", wsc_test_parse_m2, &m2_data_2);
 
-	if (!l_key_is_supported(L_KEY_FEATURE_CRYPTO)) {
-		printf("Key crypto not supported, skipping other tests...\n");
-		goto done;
-	}
+	add_crypto_test("/wsc/build/m2 1", wsc_test_build_m2, &m2_data_1);
 
-	if (l_key_is_supported(L_KEY_FEATURE_DH)) {
-		l_test_add("/wsc/parse/m2 1", wsc_test_parse_m2, &m2_data_1);
-		l_test_add("/wsc/parse/m2 2", wsc_test_parse_m2, &m2_data_2);
-	}
+	add_crypto_test("/wsc/parse/m3 1", wsc_test_parse_m3, &m3_data_1);
+	add_crypto_test("/wsc/build/m3 1", wsc_test_build_m3, &m3_data_1);
 
-	l_test_add("/wsc/build/m2 1", wsc_test_build_m2, &m2_data_1);
+	add_crypto_test("/wsc/parse/m4 1", wsc_test_parse_m4, &m4_data_1);
+	add_crypto_test("/wsc/build/m4 1", wsc_test_build_m4, &m4_data_1);
 
-	l_test_add("/wsc/parse/m3 1", wsc_test_parse_m3, &m3_data_1);
-	l_test_add("/wsc/build/m3 1", wsc_test_build_m3, &m3_data_1);
+	add_crypto_test("/wsc/parse/m4 encrypted settings 1",
+					wsc_test_parse_m4_encrypted_settings,
+					&m4_encrypted_settings_data_1);
+	add_crypto_test("/wsc/build/m4 encrypted settings 1",
+					wsc_test_build_m4_encrypted_settings,
+					&m4_encrypted_settings_data_1);
 
-	l_test_add("/wsc/parse/m4 1", wsc_test_parse_m4, &m4_data_1);
-	l_test_add("/wsc/build/m4 1", wsc_test_build_m4, &m4_data_1);
+	add_crypto_test("/wsc/parse/m5 1", wsc_test_parse_m5, &m5_data_1);
+	add_crypto_test("/wsc/build/m5 1", wsc_test_build_m5, &m5_data_1);
 
-	l_test_add("/wsc/parse/m4 encrypted settings 1",
-			wsc_test_parse_m4_encrypted_settings,
-			&m4_encrypted_settings_data_1);
-	l_test_add("/wsc/build/m4 encrypted settings 1",
-			wsc_test_build_m4_encrypted_settings,
-			&m4_encrypted_settings_data_1);
+	add_crypto_test("/wsc/parse/m6 1", wsc_test_parse_m6, &m6_data_1);
+	add_crypto_test("/wsc/build/m6 1", wsc_test_build_m6, &m6_data_1);
 
-	l_test_add("/wsc/parse/m5 1", wsc_test_parse_m5, &m5_data_1);
-	l_test_add("/wsc/build/m5 1", wsc_test_build_m5, &m5_data_1);
+	add_crypto_test("/wsc/parse/m6 encrypted settings 1",
+					wsc_test_parse_m6_encrypted_settings,
+					&m6_encrypted_settings_data_1);
+	add_crypto_test("/wsc/build/m6 encrypted settings 1",
+					wsc_test_build_m6_encrypted_settings,
+					&m6_encrypted_settings_data_1);
 
-	l_test_add("/wsc/parse/m6 1", wsc_test_parse_m6, &m6_data_1);
-	l_test_add("/wsc/build/m6 1", wsc_test_build_m6, &m6_data_1);
+	add_crypto_test("/wsc/parse/m7 1", wsc_test_parse_m7, &m7_data_1);
+	add_crypto_test("/wsc/build/m7 1", wsc_test_build_m7, &m7_data_1);
 
-	l_test_add("/wsc/parse/m6 encrypted settings 1",
-			wsc_test_parse_m6_encrypted_settings,
-			&m6_encrypted_settings_data_1);
-	l_test_add("/wsc/build/m6 encrypted settings 1",
-			wsc_test_build_m6_encrypted_settings,
-			&m6_encrypted_settings_data_1);
+	add_crypto_test("/wsc/parse/m8 1", wsc_test_parse_m8, &m8_data_1);
+	add_crypto_test("/wsc/build/m8 1", wsc_test_build_m8, &m8_data_1);
 
-	l_test_add("/wsc/parse/m7 1", wsc_test_parse_m7, &m7_data_1);
-	l_test_add("/wsc/build/m7 1", wsc_test_build_m7, &m7_data_1);
+	add_crypto_test("/wsc/parse/m8 encrypted settings 1",
+					wsc_test_parse_m8_encrypted_settings,
+					&m8_encrypted_settings_data_1);
+	add_crypto_test("/wsc/build/m8 encrypted settings 1",
+					wsc_test_build_m8_encrypted_settings,
+					&m8_encrypted_settings_data_1);
 
-	l_test_add("/wsc/parse/m8 1", wsc_test_parse_m8, &m8_data_1);
-	l_test_add("/wsc/build/m8 1", wsc_test_build_m8, &m8_data_1);
-
-	l_test_add("/wsc/parse/m8 encrypted settings 1",
-			wsc_test_parse_m8_encrypted_settings,
-			&m8_encrypted_settings_data_1);
-	l_test_add("/wsc/build/m8 encrypted settings 1",
-			wsc_test_build_m8_encrypted_settings,
-			&m8_encrypted_settings_data_1);
-
-	l_test_add("/wsc/parse/wsc_done 1", wsc_test_parse_wsc_done,
+	add_crypto_test("/wsc/parse/wsc_done 1", wsc_test_parse_wsc_done,
 							&wsc_done_data_1);
-	l_test_add("/wsc/build/wsc_done 1", wsc_test_build_wsc_done,
+	add_crypto_test("/wsc/build/wsc_done 1", wsc_test_build_wsc_done,
 							&wsc_done_data_1);
 
-	if (!l_key_is_supported(L_KEY_FEATURE_DH))
-		goto done;
-
-	l_test_add("/wsc/diffie-hellman/generate pubkey 1",
+	add_dh_test("/wsc/diffie-hellman/generate pubkey 1",
 					wsc_test_dh_generate_pubkey,
 					&dh_generate_pubkey_test_data_1);
-	l_test_add("/wsc/diffie-hellman/generate pubkey 2",
+	add_dh_test("/wsc/diffie-hellman/generate pubkey 2",
 					wsc_test_dh_generate_pubkey,
 					&dh_generate_pubkey_test_data_2);
 
-	if (!l_cipher_is_supported(L_CIPHER_AES_CBC))
-		goto done;
-
-	l_test_add("/wsc/handshake/PBC Handshake Test",
+	add_aes_cbc_test("/wsc/handshake/PBC Handshake Test",
 						wsc_test_pbc_handshake, NULL);
 
-	l_test_add("/wsc/retransmission/no fragmentation",
+	add_aes_cbc_test("/wsc/retransmission/no fragmentation",
 				wsc_test_retransmission_no_fragmentation, NULL);
 
-	l_test_add("/wsc-r/handshake/PBC Handshake WPA2 passphrase test",
-				wsc_r_test_pbc_handshake,
-				&wsc_r_test_wpa2_cred_passphrase);
-	l_test_add("/wsc-r/handshake/PBC Handshake WPA2 PSK test",
-				wsc_r_test_pbc_handshake,
-				&wsc_r_test_wpa2_cred_psk);
-	l_test_add("/wsc-r/handshake/PBC Handshake Open test",
-				wsc_r_test_pbc_handshake,
-				&wsc_r_test_open_cred);
+	add_aes_cbc_test("/wsc-r/handshake/PBC Handshake WPA2 passphrase test",
+					wsc_r_test_pbc_handshake,
+					&wsc_r_test_wpa2_cred_passphrase);
+	add_aes_cbc_test("/wsc-r/handshake/PBC Handshake WPA2 PSK test",
+					wsc_r_test_pbc_handshake,
+					&wsc_r_test_wpa2_cred_psk);
+	add_aes_cbc_test("/wsc-r/handshake/PBC Handshake Open test",
+					wsc_r_test_pbc_handshake,
+					&wsc_r_test_open_cred);
 
-done:
 	return l_test_run();
 }