tests: Hidden SSID

In addition, add the earlier tests in the new test_ssid.py file that was
forgotten from the previous commit
d78f33030d9b3ecc7ad73ba3f544fc84b08d06ea.

Signed-hostap: Jouni Malinen <j@w1.fi>

tests/hwsim/test_ssid.py

@@ -0,0 +1,75 @@
+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+#
+# SSID contents and encoding tests
+# Copyright (c) 2013-2014, Jouni Malinen <j@w1.fi>
+#
+# This software may be distributed under the terms of the BSD license.
+# See README for more details.
+
+import logging
+logger = logging.getLogger()
+
+import hostapd
+
+def test_ssid_hex_encoded(dev, apdev):
+    """SSID configuration using hex encoded version"""
+    hostapd.add_ap(apdev[0]['ifname'], { "ssid2": '68656c6c6f' })
+    dev[0].connect("hello", key_mgmt="NONE", scan_freq="2412")
+    dev[1].connect(ssid2="68656c6c6f", key_mgmt="NONE", scan_freq="2412")
+
+def test_ssid_printf_encoded(dev, apdev):
+    """SSID configuration using printf encoded version"""
+    hostapd.add_ap(apdev[0]['ifname'], { "ssid2": 'P"\\0hello\\nthere"' })
+    dev[0].connect(ssid2="0068656c6c6f0a7468657265", key_mgmt="NONE",
+                   scan_freq="2412")
+    dev[1].connect(ssid2='P"\\x00hello\\nthere"', key_mgmt="NONE",
+                   scan_freq="2412")
+    ssid = dev[0].get_status_field("ssid")
+    bss = dev[1].get_bss(apdev[0]['bssid'])
+    if ssid != bss['ssid']:
+        raise Exception("Unexpected difference in SSID")
+    dev[2].connect(ssid2='P"' + ssid + '"', key_mgmt="NONE", scan_freq="2412")
+
+def test_ssid_1_octet(dev, apdev):
+    """SSID with one octet"""
+    hostapd.add_ap(apdev[0]['ifname'], { "ssid": '1' })
+    dev[0].connect("1", key_mgmt="NONE", scan_freq="2412")
+
+def test_ssid_32_octets(dev, apdev):
+    """SSID with 32 octets"""
+    hostapd.add_ap(apdev[0]['ifname'],
+                   { "ssid": '1234567890abcdef1234567890ABCDEF' })
+    dev[0].connect("1234567890abcdef1234567890ABCDEF", key_mgmt="NONE",
+                   scan_freq="2412")
+
+def test_ssid_utf8(dev, apdev):
+    """SSID with UTF8 encoding"""
+    hostapd.add_ap(apdev[0]['ifname'], { "ssid": 'testi-åäöÅÄÖ-testi',
+                                         "utf8_ssid": "1" })
+    dev[0].connect("testi-åäöÅÄÖ-testi", key_mgmt="NONE", scan_freq="2412")
+    dev[1].connect(ssid2="74657374692dc3a5c3a4c3b6c385c384c3962d7465737469",
+                   key_mgmt="NONE", scan_freq="2412")
+
+def test_ssid_hidden(dev, apdev):
+    """Hidden SSID"""
+    hostapd.add_ap(apdev[0]['ifname'], { "ssid": 'secret',
+                                         "ignore_broadcast_ssid": "1" })
+    dev[1].connect("secret", key_mgmt="NONE", scan_freq="2412",
+                   wait_connect=False)
+    dev[0].connect("secret", key_mgmt="NONE", scan_freq="2412", scan_ssid="1")
+    ev = dev[1].wait_event(["CTRL-EVENT-CONNECTED"], timeout=1)
+    if ev is not None:
+        raise Exception("Unexpected connection")
+
+def test_ssid_hidden_wpa2(dev, apdev):
+    """Hidden SSID with WPA2-PSK"""
+    params = hostapd.wpa2_params(ssid="secret", passphrase="12345678")
+    params["ignore_broadcast_ssid"] = "1"
+    hostapd.add_ap(apdev[0]['ifname'], params)
+    dev[1].connect("secret", psk="12345678", scan_freq="2412",
+                   wait_connect=False)
+    dev[0].connect("secret", psk="12345678", scan_freq="2412", scan_ssid="1")
+    ev = dev[1].wait_event(["CTRL-EVENT-CONNECTED"], timeout=1)
+    if ev is not None:
+        raise Exception("Unexpected connection")

tests/hwsim/wpasupplicant.py

@@ -570,7 +570,8 @@ class WpaSupplicant:
                 client_cert=None, private_key=None, peerkey=False, okc=False,
                 eapol_flags=None, fragment_size=None,
                 wait_connect=True, only_add_network=False,
-                ca_cert2=None, client_cert2=None, private_key2=None):
+                ca_cert2=None, client_cert2=None, private_key2=None,
+                scan_ssid=None):
         logger.info("Connect STA " + self.ifname + " to AP")
         id = self.add_network()
         if ssid:
@@ -631,6 +632,8 @@ class WpaSupplicant:
             self.set_network(id, "eapol_flags", eapol_flags)
         if fragment_size:
             self.set_network(id, "fragment_size", fragment_size)
+        if scan_ssid:
+            self.set_network(id, "scan_ssid", scan_ssid)
         if only_add_network:
             return id
         if wait_connect: