1/*
2 * WPS module tests
3 * Copyright (c) 2014, Jouni Malinen <j@w1.fi>
4 *
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
7 */
8
9#include "utils/includes.h"
10
11#include "utils/common.h"
12#include "utils/module_tests.h"
13#include "wps_attr_parse.h"
14
15struct wps_attr_parse_test {
16	const char *data;
17	int result;
18	int extra;
19};
20
21static const struct wps_attr_parse_test wps_attr_parse_test_cases[] = {
22	/* Empty message */
23	{ "", 0, 0 },
24	/* Truncated attribute header */
25	{ "10", -1, 0 },
26	{ "1010", -1, 0 },
27	{ "101000", -1, 0 },
28	/* Attribute overflow */
29	{ "10100001", -1, 0 },
30#ifdef CONFIG_WPS_STRICT
31	{ "10270000001057000101", -1, 0 },
32	{ "1027000010570001010000000000", -1, 0 },
33#else /* CONFIG_WPS_STRICT */
34	/* Network Key workaround */
35	{ "10270000001057000101", 0, 1 },
36	{ "10230000001057000101", -1, 0 },
37	{ "10270000101057000101", -1, 0 },
38	/* Mac OS X 10.6 padding workaround */
39	{ "1027000010570001010000000000", 0, 1 },
40	{ "1027000010570001010000000000000001000000", -1, 0 },
41#endif /* CONFIG_WPS_STRICT */
42	/* Version */
43	{ "104a000110", 0, 0 },
44	{ "104a0000", -1, 0 },
45	/* Message Type */
46	{ "1022000101", 0, 0 },
47	{ "10220000", -1, 0 },
48	/* Enrollee Nonce */
49	{ "101a001000112233445566778899aabbccddeeff", 0, 0 },
50	{ "101a00111122334455667788990011223344556677", -1, 0 },
51	/* Registrar Nonce */
52	{ "1039001000112233445566778899aabbccddeeff", 0, 0 },
53	{ "103900111122334455667788990011223344556677", -1, 0 },
54	/* UUID-E */
55	{ "1047001000112233445566778899aabbccddeeff", 0, 0 },
56	{ "10470000", -1, 0 },
57	{ "104700111122334455667788990011223344556677", -1, 0 },
58	/* UUID-R */
59	{ "1048001000112233445566778899aabbccddeeff", 0, 0 },
60	{ "10480000", -1, 0 },
61	{ "104800111122334455667788990011223344556677", -1, 0 },
62	/* Auth Type Flags */
63	{ "100400021122", 0, 0 },
64	{ "10040001ff", -1, 0 },
65	/* Encr Type Flags */
66	{ "101000021122", 0, 0 },
67	{ "10100001ff", -1, 0 },
68	/* Connection Type Flags */
69	{ "100d0001ff", 0, 0 },
70	{ "100d0002ffff", -1, 0 },
71	/* Config Methods */
72	{ "10080002ffff", 0, 0 },
73	{ "10080001ff", -1, 0 },
74	/* Selected Registrar Config Methods */
75	{ "10530002ffff", 0, 0 },
76	{ "10530001ff", -1, 0 },
77	/* Primary Device Type */
78	{ "105400081122334455667788", 0, 0 },
79	{ "105400111122334455667788990011223344556677", -1, 0 },
80	/* RF Bands */
81	{ "103c0001ff", 0, 0 },
82	{ "103c0002ffff", -1, 0 },
83	/* Association State */
84	{ "10020002ffff", 0, 0 },
85	{ "10020001ff", -1, 0 },
86	/* Config Error */
87	{ "100900020001", 0, 0 },
88	{ "10090001ff", -1, 0 },
89	/* Device Password ID */
90	{ "101200020004", 0, 0 },
91	{ "10120001ff", -1, 0 },
92	/* OOB Device Password */
93	{ "102c001611223344556677889900112233445566778899000007", 0, 0 },
94	{ "102c0036112233445566778899001122334455667788990011223344556677889900112233445566778899001122334455667788990011223344", 0, 0 },
95	{ "102c0001ff", -1, 0 },
96	{ "102c003711223344556677889900112233445566778899001122334455667788990011223344556677889900112233445566778899001122334455", -1, 0 },
97	{ "102c002511223344556677889900112233445566778899001122334455667788990011223344556677", -1, 0 },
98	/* OS Version */
99	{ "102d000411223344", 0, 0 },
100	{ "102d00111122334455667788990011223344556677", -1, 0 },
101	/* WPS State */
102	{ "1044000101", 0, 0 },
103	{ "10440002ffff", -1, 0 },
104	/* Authenticator */
105	{ "100500081122334455667788", 0, 0 },
106	{ "10050000", -1, 0 },
107	{ "100500111122334455667788990011223344556677", -1, 0 },
108	/* R-Hash1 */
109	{ "103d00201122334455667788990011223344556677889900112233445566778899001122", 0, 0 },
110	{ "103d0000", -1, 0 },
111	{ "103d0021112233445566778899001122334455667788990011223344556677889900112233", -1, 0 },
112	/* R-Hash2 */
113	{ "103e00201122334455667788990011223344556677889900112233445566778899001122", 0, 0 },
114	{ "103e0000", -1, 0 },
115	{ "103e0021112233445566778899001122334455667788990011223344556677889900112233", -1, 0 },
116	/* E-Hash1 */
117	{ "101400201122334455667788990011223344556677889900112233445566778899001122", 0, 0 },
118	{ "10140000", -1, 0 },
119	{ "10140021112233445566778899001122334455667788990011223344556677889900112233", -1, 0 },
120	/* E-Hash2 */
121	{ "101500201122334455667788990011223344556677889900112233445566778899001122", 0, 0 },
122	{ "10150000", -1, 0 },
123	{ "10150021112233445566778899001122334455667788990011223344556677889900112233", -1, 0 },
124	/* R-SNonce1 */
125	{ "103f001011223344556677889900112233445566", 0, 0 },
126	{ "103f0000", -1, 0 },
127	{ "103f00111122334455667788990011223344556677", -1, 0 },
128	/* R-SNonce2 */
129	{ "1040001011223344556677889900112233445566", 0, 0 },
130	{ "10400000", -1, 0 },
131	{ "104000111122334455667788990011223344556677", -1, 0 },
132	/* E-SNonce1 */
133	{ "1016001011223344556677889900112233445566", 0, 0 },
134	{ "10160000", -1, 0 },
135	{ "101600111122334455667788990011223344556677", -1, 0 },
136	/* E-SNonce2 */
137	{ "1017001011223344556677889900112233445566", 0, 0 },
138	{ "10170000", -1, 0 },
139	{ "101700111122334455667788990011223344556677", -1, 0 },
140	/* Key Wrap Authenticator */
141	{ "101e00081122334455667788", 0, 0 },
142	{ "101e0000", -1, 0 },
143	{ "101e0009112233445566778899", -1, 0 },
144	/* Authentication Type */
145	{ "100300020001", 0, 0 },
146	{ "10030001ff", -1, 0 },
147	/* Encryption Type */
148	{ "100f00020001", 0, 0 },
149	{ "100f0001ff", -1, 0 },
150	/* Network Index */
151	{ "1026000101", 0, 0 },
152	{ "10260002ffff", -1, 0 },
153	/* Network Key Index */
154	{ "1028000101", 0, 3 },
155	{ "10280002ffff", -1, 0 },
156	/* MAC Address */
157	{ "10200006112233445566", 0, 0 },
158	{ "10200000", -1, 0 },
159	{ "1020000711223344556677", -1, 0 },
160	/* Selected Registrar */
161	{ "1041000101", 0, 0 },
162	{ "10410002ffff", -1, 0 },
163	/* Request Type */
164	{ "103a000101", 0, 0 },
165	{ "103a0002ffff", -1, 0 },
166	/* Response Type */
167	{ "103b000101", 0, 0 },
168	{ "103b0002ffff", -1, 0 },
169	/* Manufacturer */
170	{ "10210000", 0, 0 },
171	/* Model Name */
172	{ "10230000", 0, 0 },
173	/* Model Number */
174	{ "10240000", 0, 0 },
175	/* Serial Number */
176	{ "10420000", 0, 0 },
177	/* Device Name */
178	{ "10110000", 0, 0 },
179	/* Public Key */
180	{ "10320000", 0, 0 },
181	/* Enc Settings */
182	{ "10180000", 0, 0 },
183	/* SSID */
184	{ "10450000", 0, 0 },
185	/* AP Setup Locked */
186	{ "1057000101", 0, 0 },
187	{ "10570002ffff", -1, 0 },
188	/* Requested Device Type */
189	{ "106a00081122334455667788", 0, 0 },
190	{ "106a0000", -1, 0 },
191	{ "106a0009112233445566778899", -1, 0 },
192	/* More than maximum Requested Device Type attributes */
193	{ "106a00081122334455667788106a00081122334455667788106a00081122334455667788106a00081122334455667788106a00081122334455667788106a00081122334455667788106a00081122334455667788106a00081122334455667788106a00081122334455667788106a00081122334455667788106a00081122334455667788106a00081122334455667788", 0, 4 },
194	/* Secondary Device Type List */
195	{ "105500081122334455667788", 0, 0 },
196	{ "1055000711223344556677", -1, 0 },
197	{ "1055008811223344556677889900112233445566778899001122334455667788990011223344556677889900112233445566778899001122334455667788990011223344556677889900112233445566778899001122334455667788990011223344556677889900112233445566778899001122334455667788990011223344556677889900112233445566", -1, 0 },
198	/* AP Channel */
199	{ "100100020001", 0, 0 },
200	{ "1001000101", -1, 0 },
201	/* Skip invalid Vendor Extension */
202	{ "10490000", 0, 0 },
203	{ "1049000100", 0, 0 },
204	{ "104900020000", 0, 0 },
205	/* Too long unknown vendor extension */
206	{ "10490401"
207	  "112233445566778899001122334455667788990011223344556677889900"
208	  "112233445566778899001122334455667788990011223344556677889900"
209	  "112233445566778899001122334455667788990011223344556677889900"
210	  "112233445566778899001122334455667788990011223344556677889900"
211	  "112233445566778899001122334455667788990011223344556677889900"
212	  "112233445566778899001122334455667788990011223344556677889900"
213	  "112233445566778899001122334455667788990011223344556677889900"
214	  "112233445566778899001122334455667788990011223344556677889900"
215	  "112233445566778899001122334455667788990011223344556677889900"
216	  "112233445566778899001122334455667788990011223344556677889900"
217	  "112233445566778899001122334455667788990011223344556677889900"
218	  "112233445566778899001122334455667788990011223344556677889900"
219	  "112233445566778899001122334455667788990011223344556677889900"
220	  "112233445566778899001122334455667788990011223344556677889900"
221	  "112233445566778899001122334455667788990011223344556677889900"
222	  "112233445566778899001122334455667788990011223344556677889900"
223	  "112233445566778899001122334455667788990011223344556677889900"
224	  "112233445566778899001122334455667788990011223344556677889900"
225	  "112233445566778899001122334455667788990011223344556677889900"
226	  "112233445566778899001122334455667788990011223344556677889900"
227	  "112233445566778899001122334455667788990011223344556677889900"
228	  "112233445566778899001122334455667788990011223344556677889900"
229	  "112233445566778899001122334455667788990011223344556677889900"
230	  "112233445566778899001122334455667788990011223344556677889900"
231	  "112233445566778899001122334455667788990011223344556677889900"
232	  "112233445566778899001122334455667788990011223344556677889900"
233	  "112233445566778899001122334455667788990011223344556677889900"
234	  "112233445566778899001122334455667788990011223344556677889900"
235	  "112233445566778899001122334455667788990011223344556677889900"
236	  "112233445566778899001122334455667788990011223344556677889900"
237	  "112233445566778899001122334455667788990011223344556677889900"
238	  "112233445566778899001122334455667788990011223344556677889900"
239	  "112233445566778899001122334455667788990011223344556677889900"
240	  "112233445566778899001122334455667788990011223344556677889900"
241	  "1122334455", -1, 0 },
242	/* Maximum unknown vendor extensions */
243	{ "10490003111111104900032222221049000333333310490003444444104900035555551049000366666610490003777777104900038888881049000399999910490003AAAAAA", 0, 5 },
244	/* More than maximum unknown vendor extensions */
245	{ "10490003111111104900032222221049000333333310490003444444104900035555551049000366666610490003777777104900038888881049000399999910490003AAAAAA10490003BBBBBB", -1, 0 },
246	/* WFA vendor extensions */
247	{ "1049000300372a", 0, 0 },
248	{ "1049000400372a00", 0, 0 },
249	{ "1049000500372a0001", 0, 0 },
250	{ "1049001600372a0001ff0100020101030101040101ff00fe0101", 0, 6 },
251	/* Invalid Version2 length */
252	{ "1049000500372a0000", -1, 0 },
253	/* Invalid Network Key Shareable length */
254	{ "1049000500372a0200", -1, 0 },
255	/* Invalid Requedt To Enroll length */
256	{ "1049000500372a0300", -1, 0 },
257	/* Invalid Settings Delay Time length */
258	{ "1049000500372a0400", -1, 0 },
259	/* More than maximum Credential attributes */
260	{ "100e0000100e0000100e0000100e0000100e0000100e0000100e0000100e0000100e0000100e0000100e0000100e0000", 0, 2 },
261};
262
263
264static int wps_attr_parse_tests(void)
265{
266	struct wps_parse_attr attr;
267	unsigned int i;
268	int ret = 0;
269
270	wpa_printf(MSG_INFO, "WPS attribute parsing tests");
271
272	for (i = 0; i < ARRAY_SIZE(wps_attr_parse_test_cases); i++) {
273		struct wpabuf *buf;
274		size_t len;
275		const struct wps_attr_parse_test *test =
276			&wps_attr_parse_test_cases[i];
277
278		len = os_strlen(test->data) / 2;
279		buf = wpabuf_alloc(len);
280		if (buf == NULL)
281			return -1;
282		if (hexstr2bin(test->data, wpabuf_put(buf, len), len) < 0) {
283			wpabuf_free(buf);
284			return -1;
285		}
286		if (wps_parse_msg(buf, &attr) != test->result) {
287			wpa_printf(MSG_ERROR, "WPS attribute parsing test %u failed: %s",
288				   i, test->data);
289			ret = -1;
290		}
291		switch (test->extra) {
292		case 1:
293			if (!attr.network_key || !attr.ap_setup_locked)
294				ret = -1;
295			break;
296		case 2:
297			if (attr.num_cred != MAX_CRED_COUNT)
298				ret = -1;
299			break;
300		case 3:
301			if (!attr.network_key_idx)
302				ret = -1;
303			break;
304		case 4:
305			if (attr.num_req_dev_type != MAX_REQ_DEV_TYPE_COUNT)
306				ret = -1;
307			break;
308		case 5:
309			if (attr.num_vendor_ext != MAX_WPS_PARSE_VENDOR_EXT)
310				ret = -1;
311			break;
312		case 6:
313			if (!attr.version2 ||
314			    !attr.authorized_macs ||
315			    !attr.network_key_shareable ||
316			    !attr.request_to_enroll ||
317			    !attr.settings_delay_time)
318				ret = -1;
319			break;
320		}
321		wpabuf_free(buf);
322	}
323
324	return ret;
325}
326
327
328int wps_module_tests(void)
329{
330	int ret = 0;
331
332	wpa_printf(MSG_INFO, "WPS module tests");
333
334	if (wps_attr_parse_tests() < 0)
335		ret = -1;
336
337	return ret;
338}
339