xref: /freebsd/contrib/wpa/src/utils/utils_module_tests.c (revision 93e779a26c651610ac6e7986d67ecc9ed2cadcbf)
1 /*
2  * utils module tests
3  * Copyright (c) 2014-2015, 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 "common/ieee802_11_defs.h"
13 #include "utils/bitfield.h"
14 #include "utils/ext_password.h"
15 #include "utils/trace.h"
16 #include "utils/base64.h"
17 #include "utils/ip_addr.h"
18 #include "utils/eloop.h"
19 
20 
21 struct printf_test_data {
22 	u8 *data;
23 	size_t len;
24 	char *encoded;
25 };
26 
27 static const struct printf_test_data printf_tests[] = {
28 	{ (u8 *) "abcde", 5, "abcde" },
29 	{ (u8 *) "a\0b\nc\ed\re\tf\"\\", 13, "a\\0b\\nc\\ed\\re\\tf\\\"\\\\" },
30 	{ (u8 *) "\x00\x31\x00\x32\x00\x39", 6, "\\x001\\0002\\09" },
31 	{ (u8 *) "\n\n\n", 3, "\n\12\x0a" },
32 	{ (u8 *) "\303\245\303\244\303\266\303\205\303\204\303\226", 12,
33 	  "\\xc3\\xa5\xc3\\xa4\\xc3\\xb6\\xc3\\x85\\xc3\\x84\\xc3\\x96" },
34 	{ (u8 *) "\303\245\303\244\303\266\303\205\303\204\303\226", 12,
35 	  "\\303\\245\\303\\244\\303\\266\\303\\205\\303\\204\\303\\226" },
36 	{ (u8 *) "\xe5\xe4\xf6\xc5\xc4\xd6", 6,
37 	  "\\xe5\\xe4\\xf6\\xc5\\xc4\\xd6" },
38 	{ NULL, 0, NULL }
39 };
40 
41 
42 static int printf_encode_decode_tests(void)
43 {
44 	int i;
45 	size_t binlen;
46 	char buf[100];
47 	u8 bin[100];
48 	int errors = 0;
49 	int array[10];
50 
51 	wpa_printf(MSG_INFO, "printf encode/decode tests");
52 
53 	for (i = 0; printf_tests[i].data; i++) {
54 		const struct printf_test_data *test = &printf_tests[i];
55 		printf_encode(buf, sizeof(buf), test->data, test->len);
56 		wpa_printf(MSG_INFO, "%d: -> \"%s\"", i, buf);
57 
58 		binlen = printf_decode(bin, sizeof(bin), buf);
59 		if (binlen != test->len ||
60 		    os_memcmp(bin, test->data, binlen) != 0) {
61 			wpa_hexdump(MSG_ERROR, "Error in decoding#1",
62 				    bin, binlen);
63 			errors++;
64 		}
65 
66 		binlen = printf_decode(bin, sizeof(bin), test->encoded);
67 		if (binlen != test->len ||
68 		    os_memcmp(bin, test->data, binlen) != 0) {
69 			wpa_hexdump(MSG_ERROR, "Error in decoding#2",
70 				    bin, binlen);
71 			errors++;
72 		}
73 	}
74 
75 	buf[5] = 'A';
76 	printf_encode(buf, 5, (const u8 *) "abcde", 5);
77 	if (buf[5] != 'A') {
78 		wpa_printf(MSG_ERROR, "Error in bounds checking#1");
79 		errors++;
80 	}
81 
82 	for (i = 5; i < 10; i++) {
83 		buf[i] = 'A';
84 		printf_encode(buf, i, (const u8 *) "\xdd\xdd\xdd\xdd\xdd", 5);
85 		if (buf[i] != 'A') {
86 			wpa_printf(MSG_ERROR, "Error in bounds checking#2(%d)",
87 				   i);
88 			errors++;
89 		}
90 	}
91 
92 	if (printf_decode(bin, 3, "abcde") != 2)
93 		errors++;
94 
95 	if (printf_decode(bin, 3, "\\xa") != 1 || bin[0] != 10)
96 		errors++;
97 
98 	if (printf_decode(bin, 3, "\\xq") != 1 || bin[0] != 'q')
99 		errors++;
100 
101 	if (printf_decode(bin, 3, "\\a") != 1 || bin[0] != 'a')
102 		errors++;
103 
104 	array[0] = 10;
105 	array[1] = 10;
106 	array[2] = 5;
107 	array[3] = 10;
108 	array[4] = 5;
109 	array[5] = 0;
110 	if (int_array_len(array) != 5)
111 		errors++;
112 	int_array_sort_unique(array);
113 	if (int_array_len(array) != 2)
114 		errors++;
115 
116 	if (errors) {
117 		wpa_printf(MSG_ERROR, "%d printf test(s) failed", errors);
118 		return -1;
119 	}
120 
121 	return 0;
122 }
123 
124 
125 static int bitfield_tests(void)
126 {
127 	struct bitfield *bf;
128 	int i;
129 	int errors = 0;
130 
131 	wpa_printf(MSG_INFO, "bitfield tests");
132 
133 	bf = bitfield_alloc(123);
134 	if (bf == NULL)
135 		return -1;
136 
137 	for (i = 0; i < 123; i++) {
138 		if (bitfield_is_set(bf, i) || bitfield_is_set(bf, i + 1))
139 			errors++;
140 		if (i > 0 && bitfield_is_set(bf, i - 1))
141 			errors++;
142 		bitfield_set(bf, i);
143 		if (!bitfield_is_set(bf, i))
144 			errors++;
145 		bitfield_clear(bf, i);
146 		if (bitfield_is_set(bf, i))
147 			errors++;
148 	}
149 
150 	for (i = 123; i < 200; i++) {
151 		if (bitfield_is_set(bf, i) || bitfield_is_set(bf, i + 1))
152 			errors++;
153 		if (i > 0 && bitfield_is_set(bf, i - 1))
154 			errors++;
155 		bitfield_set(bf, i);
156 		if (bitfield_is_set(bf, i))
157 			errors++;
158 		bitfield_clear(bf, i);
159 		if (bitfield_is_set(bf, i))
160 			errors++;
161 	}
162 
163 	for (i = 0; i < 123; i++) {
164 		if (bitfield_is_set(bf, i) || bitfield_is_set(bf, i + 1))
165 			errors++;
166 		bitfield_set(bf, i);
167 		if (!bitfield_is_set(bf, i))
168 			errors++;
169 	}
170 
171 	for (i = 0; i < 123; i++) {
172 		if (!bitfield_is_set(bf, i))
173 			errors++;
174 		bitfield_clear(bf, i);
175 		if (bitfield_is_set(bf, i))
176 			errors++;
177 	}
178 
179 	for (i = 0; i < 123; i++) {
180 		if (bitfield_get_first_zero(bf) != i)
181 			errors++;
182 		bitfield_set(bf, i);
183 	}
184 	if (bitfield_get_first_zero(bf) != -1)
185 		errors++;
186 	for (i = 0; i < 123; i++) {
187 		if (!bitfield_is_set(bf, i))
188 			errors++;
189 		bitfield_clear(bf, i);
190 		if (bitfield_get_first_zero(bf) != i)
191 			errors++;
192 		bitfield_set(bf, i);
193 	}
194 	if (bitfield_get_first_zero(bf) != -1)
195 		errors++;
196 
197 	bitfield_free(bf);
198 
199 	bf = bitfield_alloc(8);
200 	if (bf == NULL)
201 		return -1;
202 	if (bitfield_get_first_zero(bf) != 0)
203 		errors++;
204 	for (i = 0; i < 8; i++)
205 		bitfield_set(bf, i);
206 	if (bitfield_get_first_zero(bf) != -1)
207 		errors++;
208 	bitfield_free(bf);
209 
210 	if (errors) {
211 		wpa_printf(MSG_ERROR, "%d bitfield test(s) failed", errors);
212 		return -1;
213 	}
214 
215 	return 0;
216 }
217 
218 
219 static int int_array_tests(void)
220 {
221 	int test1[] = { 1, 2, 3, 4, 5, 6, 0 };
222 	int test2[] = { 1, -1, 0 };
223 	int test3[] = { 1, 1, 1, -1, 2, 3, 4, 1, 2, 0 };
224 	int test3_res[] = { -1, 1, 2, 3, 4, 0 };
225 	int errors = 0;
226 	int len;
227 
228 	wpa_printf(MSG_INFO, "int_array tests");
229 
230 	if (int_array_len(test1) != 6 ||
231 	    int_array_len(test2) != 2)
232 		errors++;
233 
234 	int_array_sort_unique(test3);
235 	len = int_array_len(test3_res);
236 	if (int_array_len(test3) != len)
237 		errors++;
238 	else if (os_memcmp(test3, test3_res, len * sizeof(int)) != 0)
239 		errors++;
240 
241 	if (errors) {
242 		wpa_printf(MSG_ERROR, "%d int_array test(s) failed", errors);
243 		return -1;
244 	}
245 
246 	return 0;
247 }
248 
249 
250 static int ext_password_tests(void)
251 {
252 	struct ext_password_data *data;
253 	int ret = 0;
254 	struct wpabuf *pw;
255 
256 	wpa_printf(MSG_INFO, "ext_password tests");
257 
258 	data = ext_password_init("unknown", "foo");
259 	if (data != NULL)
260 		return -1;
261 
262 	data = ext_password_init("test", NULL);
263 	if (data == NULL)
264 		return -1;
265 	pw = ext_password_get(data, "foo");
266 	if (pw != NULL)
267 		ret = -1;
268 	ext_password_free(pw);
269 
270 	ext_password_deinit(data);
271 
272 	pw = ext_password_get(NULL, "foo");
273 	if (pw != NULL)
274 		ret = -1;
275 	ext_password_free(pw);
276 
277 	return ret;
278 }
279 
280 
281 static int trace_tests(void)
282 {
283 	wpa_printf(MSG_INFO, "trace tests");
284 
285 	wpa_trace_show("test backtrace");
286 	wpa_trace_dump_funcname("test funcname", trace_tests);
287 
288 	return 0;
289 }
290 
291 
292 static int base64_tests(void)
293 {
294 	int errors = 0;
295 	unsigned char *res;
296 	size_t res_len;
297 
298 	wpa_printf(MSG_INFO, "base64 tests");
299 
300 	res = base64_encode((const unsigned char *) "", ~0, &res_len);
301 	if (res) {
302 		errors++;
303 		os_free(res);
304 	}
305 
306 	res = base64_encode((const unsigned char *) "=", 1, &res_len);
307 	if (!res || res_len != 5 || res[0] != 'P' || res[1] != 'Q' ||
308 	    res[2] != '=' || res[3] != '=' || res[4] != '\n')
309 		errors++;
310 	os_free(res);
311 
312 	res = base64_encode((const unsigned char *) "=", 1, NULL);
313 	if (!res || res[0] != 'P' || res[1] != 'Q' ||
314 	    res[2] != '=' || res[3] != '=' || res[4] != '\n')
315 		errors++;
316 	os_free(res);
317 
318 	res = base64_decode((const unsigned char *) "", 0, &res_len);
319 	if (res) {
320 		errors++;
321 		os_free(res);
322 	}
323 
324 	res = base64_decode((const unsigned char *) "a", 1, &res_len);
325 	if (res) {
326 		errors++;
327 		os_free(res);
328 	}
329 
330 	res = base64_decode((const unsigned char *) "====", 4, &res_len);
331 	if (res) {
332 		errors++;
333 		os_free(res);
334 	}
335 
336 	res = base64_decode((const unsigned char *) "PQ==", 4, &res_len);
337 	if (!res || res_len != 1 || res[0] != '=')
338 		errors++;
339 	os_free(res);
340 
341 	res = base64_decode((const unsigned char *) "P.Q-=!=*", 8, &res_len);
342 	if (!res || res_len != 1 || res[0] != '=')
343 		errors++;
344 	os_free(res);
345 
346 	if (errors) {
347 		wpa_printf(MSG_ERROR, "%d base64 test(s) failed", errors);
348 		return -1;
349 	}
350 
351 	return 0;
352 }
353 
354 
355 static int common_tests(void)
356 {
357 	char buf[3], longbuf[100];
358 	u8 addr[ETH_ALEN] = { 1, 2, 3, 4, 5, 6 };
359 	u8 bin[3];
360 	int errors = 0;
361 	struct wpa_freq_range_list ranges;
362 	size_t len;
363 	const char *txt;
364 	u8 ssid[255];
365 
366 	wpa_printf(MSG_INFO, "common tests");
367 
368 	if (hwaddr_mask_txt(buf, 3, addr, addr) != -1)
369 		errors++;
370 
371 	if (wpa_scnprintf(buf, 0, "hello") != 0 ||
372 	    wpa_scnprintf(buf, 3, "hello") != 2)
373 		errors++;
374 
375 	if (wpa_snprintf_hex(buf, 0, addr, ETH_ALEN) != 0 ||
376 	    wpa_snprintf_hex(buf, 3, addr, ETH_ALEN) != 2)
377 		errors++;
378 
379 	if (merge_byte_arrays(bin, 3, addr, ETH_ALEN, NULL, 0) != 3 ||
380 	    merge_byte_arrays(bin, 3, NULL, 0, addr, ETH_ALEN) != 3)
381 		errors++;
382 
383 	if (dup_binstr(NULL, 0) != NULL)
384 		errors++;
385 
386 	if (freq_range_list_includes(NULL, 0) != 0)
387 		errors++;
388 
389 	os_memset(&ranges, 0, sizeof(ranges));
390 	if (freq_range_list_parse(&ranges, "") != 0 ||
391 	    freq_range_list_includes(&ranges, 0) != 0 ||
392 	    freq_range_list_str(&ranges) != NULL)
393 		errors++;
394 
395 	if (utf8_unescape(NULL, 0, buf, sizeof(buf)) != 0 ||
396 	    utf8_unescape("a", 1, NULL, 0) != 0 ||
397 	    utf8_unescape("a\\", 2, buf, sizeof(buf)) != 0 ||
398 	    utf8_unescape("abcde", 5, buf, sizeof(buf)) != 0 ||
399 	    utf8_unescape("abc", 3, buf, 3) != 3)
400 		errors++;
401 
402 	if (utf8_unescape("a", 0, buf, sizeof(buf)) != 1 || buf[0] != 'a')
403 		errors++;
404 
405 	if (utf8_unescape("\\b", 2, buf, sizeof(buf)) != 1 || buf[0] != 'b')
406 		errors++;
407 
408 	if (utf8_escape(NULL, 0, buf, sizeof(buf)) != 0 ||
409 	    utf8_escape("a", 1, NULL, 0) != 0 ||
410 	    utf8_escape("abcde", 5, buf, sizeof(buf)) != 0 ||
411 	    utf8_escape("a\\bcde", 6, buf, sizeof(buf)) != 0 ||
412 	    utf8_escape("ab\\cde", 6, buf, sizeof(buf)) != 0 ||
413 	    utf8_escape("abc\\de", 6, buf, sizeof(buf)) != 0 ||
414 	    utf8_escape("abc", 3, buf, 3) != 3)
415 		errors++;
416 
417 	if (utf8_escape("a", 0, buf, sizeof(buf)) != 1 || buf[0] != 'a')
418 		errors++;
419 
420 	os_memset(ssid, 0, sizeof(ssid));
421 	txt = wpa_ssid_txt(ssid, sizeof(ssid));
422 	len = os_strlen(txt);
423 	/* Verify that SSID_MAX_LEN * 4 buffer limit is enforced. */
424 	if (len != SSID_MAX_LEN * 4) {
425 		wpa_printf(MSG_ERROR,
426 			   "Unexpected wpa_ssid_txt() result with too long SSID");
427 		errors++;
428 	}
429 
430 	if (wpa_snprintf_hex_sep(longbuf, 0, addr, ETH_ALEN, '-') != 0 ||
431 	    wpa_snprintf_hex_sep(longbuf, 5, addr, ETH_ALEN, '-') != 3 ||
432 	    os_strcmp(longbuf, "01-0") != 0)
433 		errors++;
434 
435 	if (errors) {
436 		wpa_printf(MSG_ERROR, "%d common test(s) failed", errors);
437 		return -1;
438 	}
439 
440 	return 0;
441 }
442 
443 
444 static int os_tests(void)
445 {
446 	int errors = 0;
447 	void *ptr;
448 	os_time_t t;
449 
450 	wpa_printf(MSG_INFO, "os tests");
451 
452 	ptr = os_calloc((size_t) -1, (size_t) -1);
453 	if (ptr) {
454 		errors++;
455 		os_free(ptr);
456 	}
457 	ptr = os_calloc((size_t) 2, (size_t) -1);
458 	if (ptr) {
459 		errors++;
460 		os_free(ptr);
461 	}
462 	ptr = os_calloc((size_t) -1, (size_t) 2);
463 	if (ptr) {
464 		errors++;
465 		os_free(ptr);
466 	}
467 
468 	ptr = os_realloc_array(NULL, (size_t) -1, (size_t) -1);
469 	if (ptr) {
470 		errors++;
471 		os_free(ptr);
472 	}
473 
474 	os_sleep(1, 1);
475 
476 	if (os_mktime(1969, 1, 1, 1, 1, 1, &t) == 0 ||
477 	    os_mktime(1971, 0, 1, 1, 1, 1, &t) == 0 ||
478 	    os_mktime(1971, 13, 1, 1, 1, 1, &t) == 0 ||
479 	    os_mktime(1971, 1, 0, 1, 1, 1, &t) == 0 ||
480 	    os_mktime(1971, 1, 32, 1, 1, 1, &t) == 0 ||
481 	    os_mktime(1971, 1, 1, -1, 1, 1, &t) == 0 ||
482 	    os_mktime(1971, 1, 1, 24, 1, 1, &t) == 0 ||
483 	    os_mktime(1971, 1, 1, 1, -1, 1, &t) == 0 ||
484 	    os_mktime(1971, 1, 1, 1, 60, 1, &t) == 0 ||
485 	    os_mktime(1971, 1, 1, 1, 1, -1, &t) == 0 ||
486 	    os_mktime(1971, 1, 1, 1, 1, 61, &t) == 0 ||
487 	    os_mktime(1971, 1, 1, 1, 1, 1, &t) != 0 ||
488 	    os_mktime(2020, 1, 2, 3, 4, 5, &t) != 0 ||
489 	    os_mktime(2015, 12, 31, 23, 59, 59, &t) != 0)
490 		errors++;
491 
492 	if (os_setenv("hwsim_test_env", "test value", 0) != 0 ||
493 	    os_setenv("hwsim_test_env", "test value 2", 1) != 0 ||
494 	    os_unsetenv("hwsim_test_env") != 0)
495 		errors++;
496 
497 	if (os_file_exists("/this-file-does-not-exists-hwsim") != 0)
498 		errors++;
499 
500 	if (errors) {
501 		wpa_printf(MSG_ERROR, "%d os test(s) failed", errors);
502 		return -1;
503 	}
504 
505 	return 0;
506 }
507 
508 
509 static int wpabuf_tests(void)
510 {
511 	int errors = 0;
512 	void *ptr;
513 	struct wpabuf *buf;
514 
515 	wpa_printf(MSG_INFO, "wpabuf tests");
516 
517 	ptr = os_malloc(100);
518 	if (ptr) {
519 		buf = wpabuf_alloc_ext_data(ptr, 100);
520 		if (buf) {
521 			if (wpabuf_resize(&buf, 100) < 0)
522 				errors++;
523 			else
524 				wpabuf_put(buf, 100);
525 			wpabuf_free(buf);
526 		} else {
527 			errors++;
528 			os_free(ptr);
529 		}
530 	} else {
531 		errors++;
532 	}
533 
534 	buf = wpabuf_alloc(100);
535 	if (buf) {
536 		struct wpabuf *buf2;
537 
538 		wpabuf_put(buf, 100);
539 		if (wpabuf_resize(&buf, 100) < 0)
540 			errors++;
541 		else
542 			wpabuf_put(buf, 100);
543 		buf2 = wpabuf_concat(buf, NULL);
544 		if (buf2 != buf)
545 			errors++;
546 		wpabuf_free(buf2);
547 	} else {
548 		errors++;
549 	}
550 
551 	buf = NULL;
552 	buf = wpabuf_zeropad(buf, 10);
553 	if (buf != NULL)
554 		errors++;
555 
556 	if (errors) {
557 		wpa_printf(MSG_ERROR, "%d wpabuf test(s) failed", errors);
558 		return -1;
559 	}
560 
561 	return 0;
562 }
563 
564 
565 static int ip_addr_tests(void)
566 {
567 	int errors = 0;
568 	struct hostapd_ip_addr addr;
569 	char buf[100];
570 
571 	wpa_printf(MSG_INFO, "ip_addr tests");
572 
573 	if (hostapd_parse_ip_addr("1.2.3.4", &addr) != 0 ||
574 	    addr.af != AF_INET ||
575 	    hostapd_ip_txt(NULL, buf, sizeof(buf)) != NULL ||
576 	    hostapd_ip_txt(&addr, buf, 1) != buf || buf[0] != '\0' ||
577 	    hostapd_ip_txt(&addr, buf, 0) != NULL ||
578 	    hostapd_ip_txt(&addr, buf, sizeof(buf)) != buf)
579 		errors++;
580 
581 	if (hostapd_parse_ip_addr("::", &addr) != 0 ||
582 	    addr.af != AF_INET6 ||
583 	    hostapd_ip_txt(&addr, buf, 1) != buf || buf[0] != '\0' ||
584 	    hostapd_ip_txt(&addr, buf, sizeof(buf)) != buf)
585 		errors++;
586 
587 	if (errors) {
588 		wpa_printf(MSG_ERROR, "%d ip_addr test(s) failed", errors);
589 		return -1;
590 	}
591 
592 	return 0;
593 }
594 
595 
596 struct test_eloop {
597 	unsigned int magic;
598 	int close_in_timeout;
599 	int pipefd1[2];
600 	int pipefd2[2];
601 };
602 
603 
604 static void eloop_tests_start(int close_in_timeout);
605 
606 
607 static void eloop_test_read_2(int sock, void *eloop_ctx, void *sock_ctx)
608 {
609 	struct test_eloop *t = eloop_ctx;
610 	ssize_t res;
611 	char buf[10];
612 
613 	wpa_printf(MSG_INFO, "%s: sock=%d", __func__, sock);
614 
615 	if (t->magic != 0x12345678) {
616 		wpa_printf(MSG_INFO, "%s: unexpected magic 0x%x",
617 			   __func__, t->magic);
618 	}
619 
620 	if (t->pipefd2[0] != sock) {
621 		wpa_printf(MSG_INFO, "%s: unexpected sock %d != %d",
622 			   __func__, sock, t->pipefd2[0]);
623 	}
624 
625 	res = read(sock, buf, sizeof(buf));
626 	wpa_printf(MSG_INFO, "%s: sock=%d --> res=%d",
627 		   __func__, sock, (int) res);
628 }
629 
630 
631 static void eloop_test_read_2_wrong(int sock, void *eloop_ctx, void *sock_ctx)
632 {
633 	struct test_eloop *t = eloop_ctx;
634 
635 	wpa_printf(MSG_INFO, "%s: sock=%d", __func__, sock);
636 
637 	if (t->magic != 0x12345678) {
638 		wpa_printf(MSG_INFO, "%s: unexpected magic 0x%x",
639 			   __func__, t->magic);
640 	}
641 
642 	if (t->pipefd2[0] != sock) {
643 		wpa_printf(MSG_INFO, "%s: unexpected sock %d != %d",
644 			   __func__, sock, t->pipefd2[0]);
645 	}
646 
647 	/*
648 	 * This is expected to block due to the original socket with data having
649 	 * been closed and no new data having been written to the new socket
650 	 * with the same fd. To avoid blocking the process during test, skip the
651 	 * read here.
652 	 */
653 	wpa_printf(MSG_ERROR, "%s: FAIL - should not have called this function",
654 		   __func__);
655 }
656 
657 
658 static void reopen_pipefd2(struct test_eloop *t)
659 {
660 	if (t->pipefd2[0] < 0) {
661 		wpa_printf(MSG_INFO, "pipefd2 had been closed");
662 	} else {
663 		int res;
664 
665 		wpa_printf(MSG_INFO, "close pipefd2");
666 		eloop_unregister_read_sock(t->pipefd2[0]);
667 		close(t->pipefd2[0]);
668 		t->pipefd2[0] = -1;
669 		close(t->pipefd2[1]);
670 		t->pipefd2[1] = -1;
671 
672 		res = pipe(t->pipefd2);
673 		if (res < 0) {
674 			wpa_printf(MSG_INFO, "pipe: %s", strerror(errno));
675 			t->pipefd2[0] = -1;
676 			t->pipefd2[1] = -1;
677 			return;
678 		}
679 
680 		wpa_printf(MSG_INFO,
681 			   "re-register pipefd2 with new sockets %d,%d",
682 			   t->pipefd2[0], t->pipefd2[1]);
683 		eloop_register_read_sock(t->pipefd2[0], eloop_test_read_2_wrong,
684 					 t, NULL);
685 	}
686 }
687 
688 
689 static void eloop_test_read_1(int sock, void *eloop_ctx, void *sock_ctx)
690 {
691 	struct test_eloop *t = eloop_ctx;
692 	ssize_t res;
693 	char buf[10];
694 
695 	wpa_printf(MSG_INFO, "%s: sock=%d", __func__, sock);
696 
697 	if (t->magic != 0x12345678) {
698 		wpa_printf(MSG_INFO, "%s: unexpected magic 0x%x",
699 			   __func__, t->magic);
700 	}
701 
702 	if (t->pipefd1[0] != sock) {
703 		wpa_printf(MSG_INFO, "%s: unexpected sock %d != %d",
704 			   __func__, sock, t->pipefd1[0]);
705 	}
706 
707 	res = read(sock, buf, sizeof(buf));
708 	wpa_printf(MSG_INFO, "%s: sock=%d --> res=%d",
709 		   __func__, sock, (int) res);
710 
711 	if (!t->close_in_timeout)
712 		reopen_pipefd2(t);
713 }
714 
715 
716 static void eloop_test_cb(void *eloop_data, void *user_ctx)
717 {
718 	struct test_eloop *t = eloop_data;
719 
720 	wpa_printf(MSG_INFO, "%s", __func__);
721 
722 	if (t->magic != 0x12345678) {
723 		wpa_printf(MSG_INFO, "%s: unexpected magic 0x%x",
724 			   __func__, t->magic);
725 	}
726 
727 	if (t->close_in_timeout)
728 		reopen_pipefd2(t);
729 }
730 
731 
732 static void eloop_test_timeout(void *eloop_data, void *user_ctx)
733 {
734 	struct test_eloop *t = eloop_data;
735 	int next_run = 0;
736 
737 	wpa_printf(MSG_INFO, "%s", __func__);
738 
739 	if (t->magic != 0x12345678) {
740 		wpa_printf(MSG_INFO, "%s: unexpected magic 0x%x",
741 			   __func__, t->magic);
742 	}
743 
744 	if (t->pipefd1[0] >= 0) {
745 		wpa_printf(MSG_INFO, "pipefd1 had not been closed");
746 		eloop_unregister_read_sock(t->pipefd1[0]);
747 		close(t->pipefd1[0]);
748 		t->pipefd1[0] = -1;
749 		close(t->pipefd1[1]);
750 		t->pipefd1[1] = -1;
751 	}
752 
753 	if (t->pipefd2[0] >= 0) {
754 		wpa_printf(MSG_INFO, "pipefd2 had not been closed");
755 		eloop_unregister_read_sock(t->pipefd2[0]);
756 		close(t->pipefd2[0]);
757 		t->pipefd2[0] = -1;
758 		close(t->pipefd2[1]);
759 		t->pipefd2[1] = -1;
760 	}
761 
762 	next_run = t->close_in_timeout;
763 	t->magic = 0;
764 	wpa_printf(MSG_INFO, "%s - free(%p)", __func__, t);
765 	os_free(t);
766 
767 	if (next_run)
768 		eloop_tests_start(0);
769 }
770 
771 
772 static void eloop_tests_start(int close_in_timeout)
773 {
774 	struct test_eloop *t;
775 	int res;
776 
777 	t = os_zalloc(sizeof(*t));
778 	if (!t)
779 		return;
780 	t->magic = 0x12345678;
781 	t->close_in_timeout = close_in_timeout;
782 
783 	wpa_printf(MSG_INFO, "starting eloop tests (%p) (close_in_timeout=%d)",
784 		   t, close_in_timeout);
785 
786 	res = pipe(t->pipefd1);
787 	if (res < 0) {
788 		wpa_printf(MSG_INFO, "pipe: %s", strerror(errno));
789 		os_free(t);
790 		return;
791 	}
792 
793 	res = pipe(t->pipefd2);
794 	if (res < 0) {
795 		wpa_printf(MSG_INFO, "pipe: %s", strerror(errno));
796 		close(t->pipefd1[0]);
797 		close(t->pipefd1[1]);
798 		os_free(t);
799 		return;
800 	}
801 
802 	wpa_printf(MSG_INFO, "pipe fds: %d,%d %d,%d",
803 		   t->pipefd1[0], t->pipefd1[1],
804 		   t->pipefd2[0], t->pipefd2[1]);
805 
806 	eloop_register_read_sock(t->pipefd1[0], eloop_test_read_1, t, NULL);
807 	eloop_register_read_sock(t->pipefd2[0], eloop_test_read_2, t, NULL);
808 	eloop_register_timeout(0, 0, eloop_test_cb, t, NULL);
809 	eloop_register_timeout(0, 200000, eloop_test_timeout, t, NULL);
810 
811 	if (write(t->pipefd1[1], "HELLO", 5) < 0)
812 		wpa_printf(MSG_INFO, "write: %s", strerror(errno));
813 	if (write(t->pipefd2[1], "TEST", 4) < 0)
814 		wpa_printf(MSG_INFO, "write: %s", strerror(errno));
815 	os_sleep(0, 50000);
816 	wpa_printf(MSG_INFO, "waiting for eloop callbacks");
817 }
818 
819 
820 static void eloop_tests_run(void *eloop_data, void *user_ctx)
821 {
822 	eloop_tests_start(1);
823 }
824 
825 
826 static int eloop_tests(void)
827 {
828 	wpa_printf(MSG_INFO, "schedule eloop tests to be run");
829 
830 	/*
831 	 * Cannot return error from these without a significant design change,
832 	 * so for now, run the tests from a scheduled timeout and require
833 	 * separate verification of the results from the debug log.
834 	 */
835 	eloop_register_timeout(0, 0, eloop_tests_run, NULL, NULL);
836 
837 	return 0;
838 }
839 
840 
841 int utils_module_tests(void)
842 {
843 	int ret = 0;
844 
845 	wpa_printf(MSG_INFO, "utils module tests");
846 
847 	if (printf_encode_decode_tests() < 0 ||
848 	    ext_password_tests() < 0 ||
849 	    trace_tests() < 0 ||
850 	    bitfield_tests() < 0 ||
851 	    base64_tests() < 0 ||
852 	    common_tests() < 0 ||
853 	    os_tests() < 0 ||
854 	    wpabuf_tests() < 0 ||
855 	    ip_addr_tests() < 0 ||
856 	    eloop_tests() < 0 ||
857 	    int_array_tests() < 0)
858 		ret = -1;
859 
860 	return ret;
861 }
862