tests: Explicitly encode str to bytes when needed for python3

Avoid implicit conversion errors when constructing bytes objects or
passing a str object to a function that needs a bytes object.

Signed-off-by: Masashi Honma <masashi.honma@gmail.com>
Signed-off-by: Jouni Malinen <j@w1.fi>

tests/hwsim/test_ap_psk.py

@@ -1248,7 +1248,7 @@ def sha1_prf(key, label, data, outlen):
     res = ''
     counter = 0
     while outlen > 0:
-        m = hmac.new(key, label, hashlib.sha1)
+        m = hmac.new(key, label.encode(), hashlib.sha1)
         m.update(struct.pack('B', 0))
         m.update(data)
         m.update(struct.pack('B', counter))

tests/hwsim/test_ap_wps.py

@@ -4049,7 +4049,7 @@ def gen_upnp_info(eventSubURL='wps_event', controlURL='wps_control',
           'Connection: close\r\n' + \
           'Content-Length: ' + str(len(payload)) + '\r\n' + \
           'Date: Sat, 15 Aug 2015 18:55:08 GMT\r\n\r\n'
-    return hdr + payload
+    return (hdr + payload).encode()
 
 def gen_wps_control(payload_override=None):
     payload = '''<?xml version="1.0"?>
@@ -4077,7 +4077,7 @@ AAYANyoAASA=
           'Connection: close\r\n' + \
           'Content-Length: ' + str(len(payload)) + '\r\n' + \
           'Date: Sat, 15 Aug 2015 18:55:08 GMT\r\n\r\n'
-    return hdr + payload
+    return (hdr + payload).encode()
 
 def gen_wps_event(sid='uuid:7eb3342a-8a5f-47fe-a585-0785bfec6d8a'):
     payload = ""
@@ -4090,7 +4090,7 @@ def gen_wps_event(sid='uuid:7eb3342a-8a5f-47fe-a585-0785bfec6d8a'):
         hdr += 'SID: ' + sid + '\r\n'
     hdr += 'Timeout: Second-1801\r\n' + \
           'Date: Sat, 15 Aug 2015 18:55:08 GMT\r\n\r\n'
-    return hdr + payload
+    return (hdr + payload).encode()
 
 class WPSAPHTTPServer(StreamRequestHandler):
     def handle(self):
@@ -4723,7 +4723,7 @@ def test_ap_wps_er_http_proto_subscribe_failing(dev, apdev):
                   'Content-Length: ' + str(len(payload)) + '\r\n' + \
                   'Timeout: Second-1801\r\n' + \
                   'Date: Sat, 15 Aug 2015 18:55:08 GMT\r\n\r\n'
-            self.wfile.write(hdr + payload)
+            self.wfile.write((hdr + payload).encode())
     run_wps_er_proto_test(dev[0], WPSAPHTTPServer_fail_subscribe)
 
 def test_ap_wps_er_http_proto_subscribe_invalid_response(dev, apdev):
@@ -4738,7 +4738,7 @@ def test_ap_wps_er_http_proto_subscribe_invalid_response(dev, apdev):
                   'Content-Length: ' + str(len(payload)) + '\r\n' + \
                   'Timeout: Second-1801\r\n' + \
                   'Date: Sat, 15 Aug 2015 18:55:08 GMT\r\n\r\n'
-            self.wfile.write(hdr + payload)
+            self.wfile.write((hdr + payload).encode())
     run_wps_er_proto_test(dev[0], WPSAPHTTPServer_subscribe_invalid_response)
 
 def test_ap_wps_er_http_proto_subscribe_invalid_response(dev, apdev):
@@ -4775,7 +4775,7 @@ def test_ap_wps_er_http_proto_upnp_info_no_device(dev, apdev):
                   'Connection: close\r\n' + \
                   'Content-Length: ' + str(len(payload)) + '\r\n' + \
                   'Date: Sat, 15 Aug 2015 18:55:08 GMT\r\n\r\n'
-            self.wfile.write(hdr + payload)
+            self.wfile.write((hdr + payload).encode())
     run_wps_er_proto_test(dev[0], WPSAPHTTPServer_no_device, no_event_url=True)
 
 def test_ap_wps_er_http_proto_upnp_info_no_device_type(dev, apdev):
@@ -4798,7 +4798,7 @@ def test_ap_wps_er_http_proto_upnp_info_no_device_type(dev, apdev):
                   'Connection: close\r\n' + \
                   'Content-Length: ' + str(len(payload)) + '\r\n' + \
                   'Date: Sat, 15 Aug 2015 18:55:08 GMT\r\n\r\n'
-            self.wfile.write(hdr + payload)
+            self.wfile.write((hdr + payload).encode())
     run_wps_er_proto_test(dev[0], WPSAPHTTPServer_no_device, no_event_url=True)
 
 def test_ap_wps_er_http_proto_upnp_info_invalid_udn_uuid(dev, apdev):
@@ -6276,7 +6276,7 @@ def wsc_kdf(key, label, bits):
     result = ''
     i = 1
     while len(result) * 8 < bits:
-        data = struct.pack('>L', i) + label + struct.pack('>L', bits)
+        data = struct.pack('>L', i) + label.encode() + struct.pack('>L', bits)
         m = hmac.new(key, data, hashlib.sha256)
         result += m.digest()
         i += 1
@@ -6290,7 +6290,7 @@ def wsc_keys(kdk):
     return authkey,keywrapkey,emsk
 
 def wsc_dev_pw_half_psk(authkey, dev_pw):
-    m = hmac.new(authkey, dev_pw, hashlib.sha256)
+    m = hmac.new(authkey, dev_pw.encode(), hashlib.sha256)
     return m.digest()[0:16]
 
 def wsc_dev_pw_psk(authkey, dev_pw):

tests/hwsim/test_eap_proto.py

@@ -6830,7 +6830,7 @@ def test_eap_proto_fast_errors(dev, apdev):
               "wpa_supplicant EAP-FAST PAC file - version 1\nSTART\nI-ID=1\nEND\n",
               "wpa_supplicant EAP-FAST PAC file - version 1\nSTART\nA-ID-Info=1\nEND\n" ]
     for pac in tests:
-        blob = binascii.hexlify(pac).decode()
+        blob = binascii.hexlify(pac.encode()).decode()
         dev[0].request("SET blob fast_pac_errors " + blob)
         dev[0].connect("eap-test", key_mgmt="WPA-EAP", scan_freq="2412",
                        eap="FAST", anonymous_identity="FAST",
@@ -6849,7 +6849,7 @@ def test_eap_proto_fast_errors(dev, apdev):
     tests = [ "wpa_supplicant EAP-FAST PAC file - version 1\nSTART\nEND\n",
               "wpa_supplicant EAP-FAST PAC file - version 1\nSTART\nEND\nSTART\nEND\nSTART\nEND\n" ]
     for pac in tests:
-        blob = binascii.hexlify(pac).decode()
+        blob = binascii.hexlify(pac.encode()).decode()
         dev[0].request("SET blob fast_pac_errors " + blob)
         dev[0].connect("eap-test", key_mgmt="WPA-EAP", scan_freq="2412",
                        eap="FAST", anonymous_identity="FAST",

tests/hwsim/test_fils.py

@@ -603,7 +603,7 @@ def test_fils_sk_multiple_realms(dev, apdev, params):
     expected = ''
     count = 0
     for realm in fils_realms:
-        hash = hashlib.sha256(realm.lower()).digest()
+        hash = hashlib.sha256(realm.lower().encode()).digest()
         expected += binascii.hexlify(hash[0:2]).decode()
         count += 1
         if count == 7:
@@ -616,7 +616,7 @@ def test_fils_sk_multiple_realms(dev, apdev, params):
     info = bss['anqp_fils_realm_info']
     expected = ''
     for realm in fils_realms:
-        hash = hashlib.sha256(realm.lower()).digest()
+        hash = hashlib.sha256(realm.lower().encode()).digest()
         expected += binascii.hexlify(hash[0:2]).decode()
     if info != expected:
         raise Exception("Unexpected FILS Realm Info ANQP-element: " + info)

tests/hwsim/test_gas.py

@@ -1193,9 +1193,9 @@ def test_gas_anqp_extra_elements(dev, apdev):
     geo_loc = "001052834d12efd2b08b9b4bf1cc2c00004104050000000000060100"
     civic_loc = "0000f9555302f50102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f202122232425262728292a2b2c2d2e2f303132333435363738393a3b3c3d3e3f404142434445464748494a4b4c4d4e4f505152535455565758595a5b5c5d5e5f606162636465666768696a6b6c6d6e6f707172737475767778797a7b7c7d7e7f808182838485868788898a8b8c8d8e8f909192939495969798999a9b9c9d9e9fa0a1a2a3a4a5a6a7a8a9aaabacadaeafb0b1b2b3b4b5b6b7b8b9babbbcbdbebfc0c1c2c3c4c5c6c7c8c9cacbcccdcecfd0d1d2d3d4d5d6d7d8d9dadbdcdddedfe0e1e2e3e4e5e6e7e8e9eaebecedeeeff0f1f2f3f4f5"
     held_uri = "https://held.example.com/location"
-    held = struct.pack('BBB', 0, 1 + len(held_uri), 1) + held_uri
+    held = struct.pack('BBB', 0, 1 + len(held_uri), 1) + held_uri.encode()
     supl_fqdn = "supl.example.com"
-    supl = struct.pack('BBB', 0, 1 + len(supl_fqdn), 1) + supl_fqdn
+    supl = struct.pack('BBB', 0, 1 + len(supl_fqdn), 1) + supl_fqdn.encode()
     public_id = binascii.hexlify(held + supl).decode()
     params = { "ssid": "gas/anqp",
                "interworking": "1",
@@ -1602,8 +1602,8 @@ def test_gas_anqp_venue_url(dev, apdev):
     name1= "Example venue"
     lang2 = "fin"
     name2 = "Esimerkkipaikka"
-    venue1 = struct.pack('B', len(lang1 + name1)) + lang1 + name1
+    venue1 = struct.pack('B', len(lang1 + name1)) + lang1.encode() + name1.encode()
-    venue2 = struct.pack('B', len(lang2 + name2)) + lang2 + name2
+    venue2 = struct.pack('B', len(lang2 + name2)) + lang2.encode() + name2.encode()
     venue_name = binascii.hexlify(venue_info + venue1 + venue2).decode()
 
     url1 = "http://example.com/venue"
@@ -1659,14 +1659,14 @@ def test_gas_anqp_venue_url2(dev, apdev):
     name1= "Example venue"
     lang2 = "fin"
     name2 = "Esimerkkipaikka"
-    venue1 = struct.pack('B', len(lang1 + name1)) + lang1 + name1
+    venue1 = struct.pack('B', len(lang1 + name1)) + lang1.encode() + name1.encode()
-    venue2 = struct.pack('B', len(lang2 + name2)) + lang2 + name2
+    venue2 = struct.pack('B', len(lang2 + name2)) + lang2.encode() + name2.encode()
     venue_name = binascii.hexlify(venue_info + venue1 + venue2).decode()
 
     url1 = "http://example.com/venue"
     url2 = "https://example.org/venue-info/"
-    duple1 = struct.pack('BB', 1 + len(url1), 1) + url1
+    duple1 = struct.pack('BB', 1 + len(url1.encode()), 1) + url1.encode()
-    duple2 = struct.pack('BB', 1 + len(url2), 2) + url2
+    duple2 = struct.pack('BB', 1 + len(url2.encode()), 2) + url2.encode()
     venue_url = binascii.hexlify(duple1 + duple2).decode()
 
     params = { "ssid": "gas/anqp",
@@ -1713,8 +1713,8 @@ def test_gas_anqp_venue_url_pmf(dev, apdev):
     name1= "Example venue"
     lang2 = "fin"
     name2 = "Esimerkkipaikka"
-    venue1 = struct.pack('B', len(lang1 + name1)) + lang1 + name1
+    venue1 = struct.pack('B', len(lang1 + name1)) + lang1.encode() + name1.encode()
-    venue2 = struct.pack('B', len(lang2 + name2)) + lang2 + name2
+    venue2 = struct.pack('B', len(lang2 + name2)) + lang2.encode() + name2.encode()
     venue_name = binascii.hexlify(venue_info + venue1 + venue2)
 
     url1 = "http://example.com/venue"

tests/hwsim/test_p2p_messages.py

@@ -16,7 +16,7 @@ from p2p_utils import *
 from test_gas import anqp_adv_proto
 
 def ie_ssid(ssid):
-    return struct.pack("<BB", WLAN_EID_SSID, len(ssid)) + ssid
+    return struct.pack("<BB", WLAN_EID_SSID, len(ssid)) + ssid.encode()
 
 def ie_supp_rates():
     return struct.pack("<BBBBBBBBBB", WLAN_EID_SUPP_RATES, 8,
@@ -85,12 +85,12 @@ def p2p_attr_device_info(addr, name="Test", config_methods=0, dev_type="00010050
     val2 = struct.unpack('8B', binascii.unhexlify(dev_type))
     t = (P2P_ATTR_DEVICE_INFO, 6 + 2 + 8 + 1 + 4 + len(name)) + val
     t2 = val2 + (0,)
-    return struct.pack("<BH6B", *t) + struct.pack(">H", config_methods) + struct.pack("8BB", *t2) + struct.pack('>HH', 0x1011, len(name)) +name
+    return struct.pack("<BH6B", *t) + struct.pack(">H", config_methods) + struct.pack("8BB", *t2) + struct.pack('>HH', 0x1011, len(name)) + name.encode()
 
 def p2p_attr_group_id(addr, ssid):
     val = struct.unpack('6B', binascii.unhexlify(addr.replace(':','')))
     t = (P2P_ATTR_GROUP_ID, 6 + len(ssid)) + val
-    return struct.pack('<BH6B', *t) + ssid
+    return struct.pack('<BH6B', *t) + ssid.encode()
 
 def p2p_attr_operating_channel(op_class=81, chan=1):
     return struct.pack("<BHBBBBB", P2P_ATTR_OPERATING_CHANNEL, 5,