ssltestlib.c@ 100947

Last change on this file since 100947 was 97372, checked in by vboxsync, 2 years ago
libs: Switch to openssl-3.0.7, bugref:10317
File size: 32.1 KB

Line
1	/*
2	* Copyright 2016-2022 The OpenSSL Project Authors. All Rights Reserved.
3	*
4	* Licensed under the Apache License 2.0 (the "License"). You may not use
5	* this file except in compliance with the License. You can obtain a copy
6	* in the file LICENSE in the source distribution or at
7	* https://www.openssl.org/source/license.html
8	*/
9
10	#include <string.h>
11
12	#include "internal/nelem.h"
13	#include "ssltestlib.h"
14	#include "../testutil.h"
15	#include "e_os.h" /* for ossl_sleep() etc. */
16
17	#ifdef OPENSSL_SYS_UNIX
18	# include <unistd.h>
19	# ifndef OPENSSL_NO_KTLS
20	# include <netinet/in.h>
21	# include <netinet/in.h>
22	# include <arpa/inet.h>
23	# include <sys/socket.h>
24	# include <unistd.h>
25	# include <fcntl.h>
26	# endif
27	#endif
28
29	static int tls_dump_new(BIO *bi);
30	static int tls_dump_free(BIO *a);
31	static int tls_dump_read(BIO b, char out, int outl);
32	static int tls_dump_write(BIO b, const char in, int inl);
33	static long tls_dump_ctrl(BIO b, int cmd, long num, void ptr);
34	static int tls_dump_gets(BIO bp, char buf, int size);
35	static int tls_dump_puts(BIO bp, const char str);
36
37	/* Choose a sufficiently large type likely to be unused for this custom BIO */
38	#define BIO_TYPE_TLS_DUMP_FILTER (0x80 \| BIO_TYPE_FILTER)
39	#define BIO_TYPE_MEMPACKET_TEST 0x81
40	#define BIO_TYPE_ALWAYS_RETRY 0x82
41
42	static BIO_METHOD *method_tls_dump = NULL;
43	static BIO_METHOD *meth_mem = NULL;
44	static BIO_METHOD *meth_always_retry = NULL;
45
46	/* Note: Not thread safe! */
47	const BIO_METHOD *bio_f_tls_dump_filter(void)
48	{
49	if (method_tls_dump == NULL) {
50	method_tls_dump = BIO_meth_new(BIO_TYPE_TLS_DUMP_FILTER,
51	"TLS dump filter");
52	if ( method_tls_dump == NULL
53	\|\| !BIO_meth_set_write(method_tls_dump, tls_dump_write)
54	\|\| !BIO_meth_set_read(method_tls_dump, tls_dump_read)
55	\|\| !BIO_meth_set_puts(method_tls_dump, tls_dump_puts)
56	\|\| !BIO_meth_set_gets(method_tls_dump, tls_dump_gets)
57	\|\| !BIO_meth_set_ctrl(method_tls_dump, tls_dump_ctrl)
58	\|\| !BIO_meth_set_create(method_tls_dump, tls_dump_new)
59	\|\| !BIO_meth_set_destroy(method_tls_dump, tls_dump_free))
60	return NULL;
61	}
62	return method_tls_dump;
63	}
64
65	void bio_f_tls_dump_filter_free(void)
66	{
67	BIO_meth_free(method_tls_dump);
68	}
69
70	static int tls_dump_new(BIO *bio)
71	{
72	BIO_set_init(bio, 1);
73	return 1;
74	}
75
76	static int tls_dump_free(BIO *bio)
77	{
78	BIO_set_init(bio, 0);
79
80	return 1;
81	}
82
83	static void copy_flags(BIO *bio)
84	{
85	int flags;
86	BIO *next = BIO_next(bio);
87
88	flags = BIO_test_flags(next, BIO_FLAGS_SHOULD_RETRY \| BIO_FLAGS_RWS);
89	BIO_clear_flags(bio, BIO_FLAGS_SHOULD_RETRY \| BIO_FLAGS_RWS);
90	BIO_set_flags(bio, flags);
91	}
92
93	#define RECORD_CONTENT_TYPE 0
94	#define RECORD_VERSION_HI 1
95	#define RECORD_VERSION_LO 2
96	#define RECORD_EPOCH_HI 3
97	#define RECORD_EPOCH_LO 4
98	#define RECORD_SEQUENCE_START 5
99	#define RECORD_SEQUENCE_END 10
100	#define RECORD_LEN_HI 11
101	#define RECORD_LEN_LO 12
102
103	#define MSG_TYPE 0
104	#define MSG_LEN_HI 1
105	#define MSG_LEN_MID 2
106	#define MSG_LEN_LO 3
107	#define MSG_SEQ_HI 4
108	#define MSG_SEQ_LO 5
109	#define MSG_FRAG_OFF_HI 6
110	#define MSG_FRAG_OFF_MID 7
111	#define MSG_FRAG_OFF_LO 8
112	#define MSG_FRAG_LEN_HI 9
113	#define MSG_FRAG_LEN_MID 10
114	#define MSG_FRAG_LEN_LO 11
115
116
117	static void dump_data(const char *data, int len)
118	{
119	int rem, i, content, reclen, msglen, fragoff, fraglen, epoch;
120	unsigned char *rec;
121
122	printf("---- START OF PACKET ----\n");
123
124	rem = len;
125	rec = (unsigned char *)data;
126
127	while (rem > 0) {
128	if (rem != len)
129	printf("*\n");
130	printf("*---- START OF RECORD ----\n");
131	if (rem < DTLS1_RT_HEADER_LENGTH) {
132	printf("*---- RECORD TRUNCATED ----\n");
133	break;
134	}
135	content = rec[RECORD_CONTENT_TYPE];
136	printf("** Record Content-type: %d\n", content);
137	printf("** Record Version: %02x%02x\n",
138	rec[RECORD_VERSION_HI], rec[RECORD_VERSION_LO]);
139	epoch = (rec[RECORD_EPOCH_HI] << 8) \| rec[RECORD_EPOCH_LO];
140	printf("** Record Epoch: %d\n", epoch);
141	printf("** Record Sequence: ");
142	for (i = RECORD_SEQUENCE_START; i <= RECORD_SEQUENCE_END; i++)
143	printf("%02x", rec[i]);
144	reclen = (rec[RECORD_LEN_HI] << 8) \| rec[RECORD_LEN_LO];
145	printf("\n** Record Length: %d\n", reclen);
146
147	/* Now look at message */
148	rec += DTLS1_RT_HEADER_LENGTH;
149	rem -= DTLS1_RT_HEADER_LENGTH;
150	if (content == SSL3_RT_HANDSHAKE) {
151	printf("**---- START OF HANDSHAKE MESSAGE FRAGMENT ----\n");
152	if (epoch > 0) {
153	printf("**---- HANDSHAKE MESSAGE FRAGMENT ENCRYPTED ----\n");
154	} else if (rem < DTLS1_HM_HEADER_LENGTH
155	\|\| reclen < DTLS1_HM_HEADER_LENGTH) {
156	printf("**---- HANDSHAKE MESSAGE FRAGMENT TRUNCATED ----\n");
157	} else {
158	printf("*** Message Type: %d\n", rec[MSG_TYPE]);
159	msglen = (rec[MSG_LEN_HI] << 16) \| (rec[MSG_LEN_MID] << 8)
160	\| rec[MSG_LEN_LO];
161	printf("*** Message Length: %d\n", msglen);
162	printf("*** Message sequence: %d\n",
163	(rec[MSG_SEQ_HI] << 8) \| rec[MSG_SEQ_LO]);
164	fragoff = (rec[MSG_FRAG_OFF_HI] << 16)
165	\| (rec[MSG_FRAG_OFF_MID] << 8)
166	\| rec[MSG_FRAG_OFF_LO];
167	printf("*** Message Fragment offset: %d\n", fragoff);
168	fraglen = (rec[MSG_FRAG_LEN_HI] << 16)
169	\| (rec[MSG_FRAG_LEN_MID] << 8)
170	\| rec[MSG_FRAG_LEN_LO];
171	printf("*** Message Fragment len: %d\n", fraglen);
172	if (fragoff + fraglen > msglen)
173	printf("***---- HANDSHAKE MESSAGE FRAGMENT INVALID ----\n");
174	else if (reclen < fraglen)
175	printf("**---- HANDSHAKE MESSAGE FRAGMENT TRUNCATED ----\n");
176	else
177	printf("**---- END OF HANDSHAKE MESSAGE FRAGMENT ----\n");
178	}
179	}
180	if (rem < reclen) {
181	printf("*---- RECORD TRUNCATED ----\n");
182	rem = 0;
183	} else {
184	rec += reclen;
185	rem -= reclen;
186	printf("*---- END OF RECORD ----\n");
187	}
188	}
189	printf("---- END OF PACKET ----\n\n");
190	fflush(stdout);
191	}
192
193	static int tls_dump_read(BIO bio, char out, int outl)
194	{
195	int ret;
196	BIO *next = BIO_next(bio);
197
198	ret = BIO_read(next, out, outl);
199	copy_flags(bio);
200
201	if (ret > 0) {
202	dump_data(out, ret);
203	}
204
205	return ret;
206	}
207
208	static int tls_dump_write(BIO bio, const char in, int inl)
209	{
210	int ret;
211	BIO *next = BIO_next(bio);
212
213	ret = BIO_write(next, in, inl);
214	copy_flags(bio);
215
216	return ret;
217	}
218
219	static long tls_dump_ctrl(BIO bio, int cmd, long num, void ptr)
220	{
221	long ret;
222	BIO *next = BIO_next(bio);
223
224	if (next == NULL)
225	return 0;
226
227	switch (cmd) {
228	case BIO_CTRL_DUP:
229	ret = 0L;
230	break;
231	default:
232	ret = BIO_ctrl(next, cmd, num, ptr);
233	break;
234	}
235	return ret;
236	}
237
238	static int tls_dump_gets(BIO bio, char buf, int size)
239	{
240	/* We don't support this - not needed anyway */
241	return -1;
242	}
243
244	static int tls_dump_puts(BIO bio, const char str)
245	{
246	return tls_dump_write(bio, str, strlen(str));
247	}
248
249
250	struct mempacket_st {
251	unsigned char *data;
252	int len;
253	unsigned int num;
254	unsigned int type;
255	};
256
257	static void mempacket_free(MEMPACKET *pkt)
258	{
259	if (pkt->data != NULL)
260	OPENSSL_free(pkt->data);
261	OPENSSL_free(pkt);
262	}
263
264	typedef struct mempacket_test_ctx_st {
265	STACK_OF(MEMPACKET) *pkts;
266	unsigned int epoch;
267	unsigned int currrec;
268	unsigned int currpkt;
269	unsigned int lastpkt;
270	unsigned int injected;
271	unsigned int noinject;
272	unsigned int dropepoch;
273	int droprec;
274	int duprec;
275	} MEMPACKET_TEST_CTX;
276
277	static int mempacket_test_new(BIO *bi);
278	static int mempacket_test_free(BIO *a);
279	static int mempacket_test_read(BIO b, char out, int outl);
280	static int mempacket_test_write(BIO b, const char in, int inl);
281	static long mempacket_test_ctrl(BIO b, int cmd, long num, void ptr);
282	static int mempacket_test_gets(BIO bp, char buf, int size);
283	static int mempacket_test_puts(BIO bp, const char str);
284
285	const BIO_METHOD *bio_s_mempacket_test(void)
286	{
287	if (meth_mem == NULL) {
288	if (!TEST_ptr(meth_mem = BIO_meth_new(BIO_TYPE_MEMPACKET_TEST,
289	"Mem Packet Test"))
290	\|\| !TEST_true(BIO_meth_set_write(meth_mem, mempacket_test_write))
291	\|\| !TEST_true(BIO_meth_set_read(meth_mem, mempacket_test_read))
292	\|\| !TEST_true(BIO_meth_set_puts(meth_mem, mempacket_test_puts))
293	\|\| !TEST_true(BIO_meth_set_gets(meth_mem, mempacket_test_gets))
294	\|\| !TEST_true(BIO_meth_set_ctrl(meth_mem, mempacket_test_ctrl))
295	\|\| !TEST_true(BIO_meth_set_create(meth_mem, mempacket_test_new))
296	\|\| !TEST_true(BIO_meth_set_destroy(meth_mem, mempacket_test_free)))
297	return NULL;
298	}
299	return meth_mem;
300	}
301
302	void bio_s_mempacket_test_free(void)
303	{
304	BIO_meth_free(meth_mem);
305	}
306
307	static int mempacket_test_new(BIO *bio)
308	{
309	MEMPACKET_TEST_CTX *ctx;
310
311	if (!TEST_ptr(ctx = OPENSSL_zalloc(sizeof(*ctx))))
312	return 0;
313	if (!TEST_ptr(ctx->pkts = sk_MEMPACKET_new_null())) {
314	OPENSSL_free(ctx);
315	return 0;
316	}
317	ctx->dropepoch = 0;
318	ctx->droprec = -1;
319	BIO_set_init(bio, 1);
320	BIO_set_data(bio, ctx);
321	return 1;
322	}
323
324	static int mempacket_test_free(BIO *bio)
325	{
326	MEMPACKET_TEST_CTX *ctx = BIO_get_data(bio);
327
328	sk_MEMPACKET_pop_free(ctx->pkts, mempacket_free);
329	OPENSSL_free(ctx);
330	BIO_set_data(bio, NULL);
331	BIO_set_init(bio, 0);
332	return 1;
333	}
334
335	/* Record Header values */
336	#define EPOCH_HI 3
337	#define EPOCH_LO 4
338	#define RECORD_SEQUENCE 10
339	#define RECORD_LEN_HI 11
340	#define RECORD_LEN_LO 12
341
342	#define STANDARD_PACKET 0
343
344	static int mempacket_test_read(BIO bio, char out, int outl)
345	{
346	MEMPACKET_TEST_CTX *ctx = BIO_get_data(bio);
347	MEMPACKET *thispkt;
348	unsigned char *rec;
349	int rem;
350	unsigned int seq, offset, len, epoch;
351
352	BIO_clear_retry_flags(bio);
353	if ((thispkt = sk_MEMPACKET_value(ctx->pkts, 0)) == NULL
354	\|\| thispkt->num != ctx->currpkt) {
355	/* Probably run out of data */
356	BIO_set_retry_read(bio);
357	return -1;
358	}
359	(void)sk_MEMPACKET_shift(ctx->pkts);
360	ctx->currpkt++;
361
362	if (outl > thispkt->len)
363	outl = thispkt->len;
364
365	if (thispkt->type != INJECT_PACKET_IGNORE_REC_SEQ
366	&& (ctx->injected \|\| ctx->droprec >= 0)) {
367	/*
368	* Overwrite the record sequence number. We strictly number them in
369	* the order received. Since we are actually a reliable transport
370	* we know that there won't be any re-ordering. We overwrite to deal
371	* with any packets that have been injected
372	*/
373	for (rem = thispkt->len, rec = thispkt->data; rem > 0; rem -= len) {
374	if (rem < DTLS1_RT_HEADER_LENGTH)
375	return -1;
376	epoch = (rec[EPOCH_HI] << 8) \| rec[EPOCH_LO];
377	if (epoch != ctx->epoch) {
378	ctx->epoch = epoch;
379	ctx->currrec = 0;
380	}
381	seq = ctx->currrec;
382	offset = 0;
383	do {
384	rec[RECORD_SEQUENCE - offset] = seq & 0xFF;
385	seq >>= 8;
386	offset++;
387	} while (seq > 0);
388
389	len = ((rec[RECORD_LEN_HI] << 8) \| rec[RECORD_LEN_LO])
390	+ DTLS1_RT_HEADER_LENGTH;
391	if (rem < (int)len)
392	return -1;
393	if (ctx->droprec == (int)ctx->currrec && ctx->dropepoch == epoch) {
394	if (rem > (int)len)
395	memmove(rec, rec + len, rem - len);
396	outl -= len;
397	ctx->droprec = -1;
398	if (outl == 0)
399	BIO_set_retry_read(bio);
400	} else {
401	rec += len;
402	}
403
404	ctx->currrec++;
405	}
406	}
407
408	memcpy(out, thispkt->data, outl);
409	mempacket_free(thispkt);
410	return outl;
411	}
412
413	/* Take the last and penultimate packets and swap them around */
414	int mempacket_swap_recent(BIO *bio)
415	{
416	MEMPACKET_TEST_CTX *ctx = BIO_get_data(bio);
417	MEMPACKET *thispkt;
418	int numpkts = sk_MEMPACKET_num(ctx->pkts);
419
420	/* We need at least 2 packets to be able to swap them */
421	if (numpkts <= 1)
422	return 0;
423
424	/* Get the penultimate packet */
425	thispkt = sk_MEMPACKET_value(ctx->pkts, numpkts - 2);
426	if (thispkt == NULL)
427	return 0;
428
429	if (sk_MEMPACKET_delete(ctx->pkts, numpkts - 2) != thispkt)
430	return 0;
431
432	/* Re-add it to the end of the list */
433	thispkt->num++;
434	if (sk_MEMPACKET_insert(ctx->pkts, thispkt, numpkts - 1) <= 0)
435	return 0;
436
437	/* We also have to adjust the packet number of the other packet */
438	thispkt = sk_MEMPACKET_value(ctx->pkts, numpkts - 2);
439	if (thispkt == NULL)
440	return 0;
441	thispkt->num--;
442
443	return 1;
444	}
445
446	int mempacket_test_inject(BIO bio, const char in, int inl, int pktnum,
447	int type)
448	{
449	MEMPACKET_TEST_CTX *ctx = BIO_get_data(bio);
450	MEMPACKET thispkt = NULL, looppkt, nextpkt, allpkts[3];
451	int i, duprec;
452	const unsigned char inu = (const unsigned char )in;
453	size_t len = ((inu[RECORD_LEN_HI] << 8) \| inu[RECORD_LEN_LO])
454	+ DTLS1_RT_HEADER_LENGTH;
455
456	if (ctx == NULL)
457	return -1;
458
459	if ((size_t)inl < len)
460	return -1;
461
462	if ((size_t)inl == len)
463	duprec = 0;
464	else
465	duprec = ctx->duprec > 0;
466
467	/* We don't support arbitrary injection when duplicating records */
468	if (duprec && pktnum != -1)
469	return -1;
470
471	/* We only allow injection before we've started writing any data */
472	if (pktnum >= 0) {
473	if (ctx->noinject)
474	return -1;
475	ctx->injected = 1;
476	} else {
477	ctx->noinject = 1;
478	}
479
480	for (i = 0; i < (duprec ? 3 : 1); i++) {
481	if (!TEST_ptr(allpkts[i] = OPENSSL_malloc(sizeof(*thispkt))))
482	goto err;
483	thispkt = allpkts[i];
484
485	if (!TEST_ptr(thispkt->data = OPENSSL_malloc(inl)))
486	goto err;
487	/*
488	* If we are duplicating the packet, we duplicate it three times. The
489	* first two times we drop the first record if there are more than one.
490	* In this way we know that libssl will not be able to make progress
491	* until it receives the last packet, and hence will be forced to
492	* buffer these records.
493	*/
494	if (duprec && i != 2) {
495	memcpy(thispkt->data, in + len, inl - len);
496	thispkt->len = inl - len;
497	} else {
498	memcpy(thispkt->data, in, inl);
499	thispkt->len = inl;
500	}
501	thispkt->num = (pktnum >= 0) ? (unsigned int)pktnum : ctx->lastpkt + i;
502	thispkt->type = type;
503	}
504
505	for (i = 0; i < sk_MEMPACKET_num(ctx->pkts); i++) {
506	if (!TEST_ptr(looppkt = sk_MEMPACKET_value(ctx->pkts, i)))
507	goto err;
508	/* Check if we found the right place to insert this packet */
509	if (looppkt->num > thispkt->num) {
510	if (sk_MEMPACKET_insert(ctx->pkts, thispkt, i) == 0)
511	goto err;
512	/* If we're doing up front injection then we're done */
513	if (pktnum >= 0)
514	return inl;
515	/*
516	* We need to do some accounting on lastpkt. We increment it first,
517	* but it might now equal the value of injected packets, so we need
518	* to skip over those
519	*/
520	ctx->lastpkt++;
521	do {
522	i++;
523	nextpkt = sk_MEMPACKET_value(ctx->pkts, i);
524	if (nextpkt != NULL && nextpkt->num == ctx->lastpkt)
525	ctx->lastpkt++;
526	else
527	return inl;
528	} while(1);
529	} else if (looppkt->num == thispkt->num) {
530	if (!ctx->noinject) {
531	/* We injected two packets with the same packet number! */
532	goto err;
533	}
534	ctx->lastpkt++;
535	thispkt->num++;
536	}
537	}
538	/*
539	* We didn't find any packets with a packet number equal to or greater than
540	* this one, so we just add it onto the end
541	*/
542	for (i = 0; i < (duprec ? 3 : 1); i++) {
543	thispkt = allpkts[i];
544	if (!sk_MEMPACKET_push(ctx->pkts, thispkt))
545	goto err;
546
547	if (pktnum < 0)
548	ctx->lastpkt++;
549	}
550
551	return inl;
552
553	err:
554	for (i = 0; i < (ctx->duprec > 0 ? 3 : 1); i++)
555	mempacket_free(allpkts[i]);
556	return -1;
557	}
558
559	static int mempacket_test_write(BIO bio, const char in, int inl)
560	{
561	return mempacket_test_inject(bio, in, inl, -1, STANDARD_PACKET);
562	}
563
564	static long mempacket_test_ctrl(BIO bio, int cmd, long num, void ptr)
565	{
566	long ret = 1;
567	MEMPACKET_TEST_CTX *ctx = BIO_get_data(bio);
568	MEMPACKET *thispkt;
569
570	switch (cmd) {
571	case BIO_CTRL_EOF:
572	ret = (long)(sk_MEMPACKET_num(ctx->pkts) == 0);
573	break;
574	case BIO_CTRL_GET_CLOSE:
575	ret = BIO_get_shutdown(bio);
576	break;
577	case BIO_CTRL_SET_CLOSE:
578	BIO_set_shutdown(bio, (int)num);
579	break;
580	case BIO_CTRL_WPENDING:
581	ret = 0L;
582	break;
583	case BIO_CTRL_PENDING:
584	thispkt = sk_MEMPACKET_value(ctx->pkts, 0);
585	if (thispkt == NULL)
586	ret = 0;
587	else
588	ret = thispkt->len;
589	break;
590	case BIO_CTRL_FLUSH:
591	ret = 1;
592	break;
593	case MEMPACKET_CTRL_SET_DROP_EPOCH:
594	ctx->dropepoch = (unsigned int)num;
595	break;
596	case MEMPACKET_CTRL_SET_DROP_REC:
597	ctx->droprec = (int)num;
598	break;
599	case MEMPACKET_CTRL_GET_DROP_REC:
600	ret = ctx->droprec;
601	break;
602	case MEMPACKET_CTRL_SET_DUPLICATE_REC:
603	ctx->duprec = (int)num;
604	break;
605	case BIO_CTRL_RESET:
606	case BIO_CTRL_DUP:
607	case BIO_CTRL_PUSH:
608	case BIO_CTRL_POP:
609	default:
610	ret = 0;
611	break;
612	}
613	return ret;
614	}
615
616	static int mempacket_test_gets(BIO bio, char buf, int size)
617	{
618	/* We don't support this - not needed anyway */
619	return -1;
620	}
621
622	static int mempacket_test_puts(BIO bio, const char str)
623	{
624	return mempacket_test_write(bio, str, strlen(str));
625	}
626
627	static int always_retry_new(BIO *bi);
628	static int always_retry_free(BIO *a);
629	static int always_retry_read(BIO b, char out, int outl);
630	static int always_retry_write(BIO b, const char in, int inl);
631	static long always_retry_ctrl(BIO b, int cmd, long num, void ptr);
632	static int always_retry_gets(BIO bp, char buf, int size);
633	static int always_retry_puts(BIO bp, const char str);
634
635	const BIO_METHOD *bio_s_always_retry(void)
636	{
637	if (meth_always_retry == NULL) {
638	if (!TEST_ptr(meth_always_retry = BIO_meth_new(BIO_TYPE_ALWAYS_RETRY,
639	"Always Retry"))
640	\|\| !TEST_true(BIO_meth_set_write(meth_always_retry,
641	always_retry_write))
642	\|\| !TEST_true(BIO_meth_set_read(meth_always_retry,
643	always_retry_read))
644	\|\| !TEST_true(BIO_meth_set_puts(meth_always_retry,
645	always_retry_puts))
646	\|\| !TEST_true(BIO_meth_set_gets(meth_always_retry,
647	always_retry_gets))
648	\|\| !TEST_true(BIO_meth_set_ctrl(meth_always_retry,
649	always_retry_ctrl))
650	\|\| !TEST_true(BIO_meth_set_create(meth_always_retry,
651	always_retry_new))
652	\|\| !TEST_true(BIO_meth_set_destroy(meth_always_retry,
653	always_retry_free)))
654	return NULL;
655	}
656	return meth_always_retry;
657	}
658
659	void bio_s_always_retry_free(void)
660	{
661	BIO_meth_free(meth_always_retry);
662	}
663
664	static int always_retry_new(BIO *bio)
665	{
666	BIO_set_init(bio, 1);
667	return 1;
668	}
669
670	static int always_retry_free(BIO *bio)
671	{
672	BIO_set_data(bio, NULL);
673	BIO_set_init(bio, 0);
674	return 1;
675	}
676
677	static int always_retry_read(BIO bio, char out, int outl)
678	{
679	BIO_set_retry_read(bio);
680	return -1;
681	}
682
683	static int always_retry_write(BIO bio, const char in, int inl)
684	{
685	BIO_set_retry_write(bio);
686	return -1;
687	}
688
689	static long always_retry_ctrl(BIO bio, int cmd, long num, void ptr)
690	{
691	long ret = 1;
692
693	switch (cmd) {
694	case BIO_CTRL_FLUSH:
695	BIO_set_retry_write(bio);
696	/* fall through */
697	case BIO_CTRL_EOF:
698	case BIO_CTRL_RESET:
699	case BIO_CTRL_DUP:
700	case BIO_CTRL_PUSH:
701	case BIO_CTRL_POP:
702	default:
703	ret = 0;
704	break;
705	}
706	return ret;
707	}
708
709	static int always_retry_gets(BIO bio, char buf, int size)
710	{
711	BIO_set_retry_read(bio);
712	return -1;
713	}
714
715	static int always_retry_puts(BIO bio, const char str)
716	{
717	BIO_set_retry_write(bio);
718	return -1;
719	}
720
721	int create_ssl_ctx_pair(OSSL_LIB_CTX libctx, const SSL_METHOD sm,
722	const SSL_METHOD *cm, int min_proto_version,
723	int max_proto_version, SSL_CTX sctx, SSL_CTX cctx,
724	char certfile, char privkeyfile)
725	{
726	SSL_CTX *serverctx = NULL;
727	SSL_CTX *clientctx = NULL;
728
729	if (sctx != NULL) {
730	if (*sctx != NULL)
731	serverctx = *sctx;
732	else if (!TEST_ptr(serverctx = SSL_CTX_new_ex(libctx, NULL, sm))
733	\|\| !TEST_true(SSL_CTX_set_options(serverctx,
734	SSL_OP_ALLOW_CLIENT_RENEGOTIATION)))
735	goto err;
736	}
737
738	if (cctx != NULL) {
739	if (*cctx != NULL)
740	clientctx = *cctx;
741	else if (!TEST_ptr(clientctx = SSL_CTX_new_ex(libctx, NULL, cm)))
742	goto err;
743	}
744
745	#if !defined(OPENSSL_NO_TLS1_3) \
746	&& defined(OPENSSL_NO_EC) \
747	&& defined(OPENSSL_NO_DH)
748	/*
749	* There are no usable built-in TLSv1.3 groups if ec and dh are both
750	* disabled
751	*/
752	if (max_proto_version == 0
753	&& (sm == TLS_server_method() \|\| cm == TLS_client_method()))
754	max_proto_version = TLS1_2_VERSION;
755	#endif
756
757	if (serverctx != NULL
758	&& ((min_proto_version > 0
759	&& !TEST_true(SSL_CTX_set_min_proto_version(serverctx,
760	min_proto_version)))
761	\|\| (max_proto_version > 0
762	&& !TEST_true(SSL_CTX_set_max_proto_version(serverctx,
763	max_proto_version)))))
764	goto err;
765	if (clientctx != NULL
766	&& ((min_proto_version > 0
767	&& !TEST_true(SSL_CTX_set_min_proto_version(clientctx,
768	min_proto_version)))
769	\|\| (max_proto_version > 0
770	&& !TEST_true(SSL_CTX_set_max_proto_version(clientctx,
771	max_proto_version)))))
772	goto err;
773
774	if (serverctx != NULL && certfile != NULL && privkeyfile != NULL) {
775	if (!TEST_int_eq(SSL_CTX_use_certificate_file(serverctx, certfile,
776	SSL_FILETYPE_PEM), 1)
777	\|\| !TEST_int_eq(SSL_CTX_use_PrivateKey_file(serverctx,
778	privkeyfile,
779	SSL_FILETYPE_PEM), 1)
780	\|\| !TEST_int_eq(SSL_CTX_check_private_key(serverctx), 1))
781	goto err;
782	}
783
784	if (sctx != NULL)
785	*sctx = serverctx;
786	if (cctx != NULL)
787	*cctx = clientctx;
788	return 1;
789
790	err:
791	if (sctx != NULL && *sctx == NULL)
792	SSL_CTX_free(serverctx);
793	if (cctx != NULL && *cctx == NULL)
794	SSL_CTX_free(clientctx);
795	return 0;
796	}
797
798	#define MAXLOOPS 1000000
799
800	#if !defined(OPENSSL_NO_KTLS) && !defined(OPENSSL_NO_SOCK)
801	static int set_nb(int fd)
802	{
803	int flags;
804
805	flags = fcntl(fd,F_GETFL,0);
806	if (flags == -1)
807	return flags;
808	flags = fcntl(fd, F_SETFL, flags \| O_NONBLOCK);
809	return flags;
810	}
811
812	int create_test_sockets(int cfdp, int sfdp)
813	{
814	struct sockaddr_in sin;
815	const char *host = "127.0.0.1";
816	int cfd_connected = 0, ret = 0;
817	socklen_t slen = sizeof(sin);
818	int afd = -1, cfd = -1, sfd = -1;
819
820	memset ((char *) &sin, 0, sizeof(sin));
821	sin.sin_family = AF_INET;
822	sin.sin_addr.s_addr = inet_addr(host);
823
824	afd = socket(AF_INET, SOCK_STREAM, 0);
825	if (afd < 0)
826	return 0;
827
828	if (bind(afd, (struct sockaddr*)&sin, sizeof(sin)) < 0)
829	goto out;
830
831	if (getsockname(afd, (struct sockaddr*)&sin, &slen) < 0)
832	goto out;
833
834	if (listen(afd, 1) < 0)
835	goto out;
836
837	cfd = socket(AF_INET, SOCK_STREAM, 0);
838	if (cfd < 0)
839	goto out;
840
841	if (set_nb(afd) == -1)
842	goto out;
843
844	while (sfd == -1 \|\| !cfd_connected ) {
845	sfd = accept(afd, NULL, 0);
846	if (sfd == -1 && errno != EAGAIN)
847	goto out;
848
849	if (!cfd_connected && connect(cfd, (struct sockaddr*)&sin, sizeof(sin)) < 0)
850	goto out;
851	else
852	cfd_connected = 1;
853	}
854
855	if (set_nb(cfd) == -1 \|\| set_nb(sfd) == -1)
856	goto out;
857	ret = 1;
858	*cfdp = cfd;
859	*sfdp = sfd;
860	goto success;
861
862	out:
863	if (cfd != -1)
864	close(cfd);
865	if (sfd != -1)
866	close(sfd);
867	success:
868	if (afd != -1)
869	close(afd);
870	return ret;
871	}
872
873	int create_ssl_objects2(SSL_CTX serverctx, SSL_CTX clientctx, SSL **sssl,
874	SSL **cssl, int sfd, int cfd)
875	{
876	SSL serverssl = NULL, clientssl = NULL;
877	BIO s_to_c_bio = NULL, c_to_s_bio = NULL;
878
879	if (*sssl != NULL)
880	serverssl = *sssl;
881	else if (!TEST_ptr(serverssl = SSL_new(serverctx)))
882	goto error;
883	if (*cssl != NULL)
884	clientssl = *cssl;
885	else if (!TEST_ptr(clientssl = SSL_new(clientctx)))
886	goto error;
887
888	if (!TEST_ptr(s_to_c_bio = BIO_new_socket(sfd, BIO_NOCLOSE))
889	\|\| !TEST_ptr(c_to_s_bio = BIO_new_socket(cfd, BIO_NOCLOSE)))
890	goto error;
891
892	SSL_set_bio(clientssl, c_to_s_bio, c_to_s_bio);
893	SSL_set_bio(serverssl, s_to_c_bio, s_to_c_bio);
894	*sssl = serverssl;
895	*cssl = clientssl;
896	return 1;
897
898	error:
899	SSL_free(serverssl);
900	SSL_free(clientssl);
901	BIO_free(s_to_c_bio);
902	BIO_free(c_to_s_bio);
903	return 0;
904	}
905	#endif
906
907	/*
908	* NOTE: Transfers control of the BIOs - this function will free them on error
909	*/
910	int create_ssl_objects(SSL_CTX serverctx, SSL_CTX clientctx, SSL **sssl,
911	SSL *cssl, BIO s_to_c_fbio, BIO *c_to_s_fbio)
912	{
913	SSL serverssl = NULL, clientssl = NULL;
914	BIO s_to_c_bio = NULL, c_to_s_bio = NULL;
915
916	if (*sssl != NULL)
917	serverssl = *sssl;
918	else if (!TEST_ptr(serverssl = SSL_new(serverctx)))
919	goto error;
920	if (*cssl != NULL)
921	clientssl = *cssl;
922	else if (!TEST_ptr(clientssl = SSL_new(clientctx)))
923	goto error;
924
925	if (SSL_is_dtls(clientssl)) {
926	if (!TEST_ptr(s_to_c_bio = BIO_new(bio_s_mempacket_test()))
927	\|\| !TEST_ptr(c_to_s_bio = BIO_new(bio_s_mempacket_test())))
928	goto error;
929	} else {
930	if (!TEST_ptr(s_to_c_bio = BIO_new(BIO_s_mem()))
931	\|\| !TEST_ptr(c_to_s_bio = BIO_new(BIO_s_mem())))
932	goto error;
933	}
934
935	if (s_to_c_fbio != NULL
936	&& !TEST_ptr(s_to_c_bio = BIO_push(s_to_c_fbio, s_to_c_bio)))
937	goto error;
938	if (c_to_s_fbio != NULL
939	&& !TEST_ptr(c_to_s_bio = BIO_push(c_to_s_fbio, c_to_s_bio)))
940	goto error;
941
942	/* Set Non-blocking IO behaviour */
943	BIO_set_mem_eof_return(s_to_c_bio, -1);
944	BIO_set_mem_eof_return(c_to_s_bio, -1);
945
946	/* Up ref these as we are passing them to two SSL objects */
947	SSL_set_bio(serverssl, c_to_s_bio, s_to_c_bio);
948	BIO_up_ref(s_to_c_bio);
949	BIO_up_ref(c_to_s_bio);
950	SSL_set_bio(clientssl, s_to_c_bio, c_to_s_bio);
951	*sssl = serverssl;
952	*cssl = clientssl;
953	return 1;
954
955	error:
956	SSL_free(serverssl);
957	SSL_free(clientssl);
958	BIO_free(s_to_c_bio);
959	BIO_free(c_to_s_bio);
960	BIO_free(s_to_c_fbio);
961	BIO_free(c_to_s_fbio);
962
963	return 0;
964	}
965
966	/*
967	* Create an SSL connection, but does not read any post-handshake
968	* NewSessionTicket messages.
969	* If \|read\| is set and we're using DTLS then we will attempt to SSL_read on
970	* the connection once we've completed one half of it, to ensure any retransmits
971	* get triggered.
972	* We stop the connection attempt (and return a failure value) if either peer
973	* has SSL_get_error() return the value in the \|want\| parameter. The connection
974	* attempt could be restarted by a subsequent call to this function.
975	*/
976	int create_bare_ssl_connection(SSL serverssl, SSL clientssl, int want,
977	int read)
978	{
979	int retc = -1, rets = -1, err, abortctr = 0;
980	int clienterr = 0, servererr = 0;
981	int isdtls = SSL_is_dtls(serverssl);
982
983	do {
984	err = SSL_ERROR_WANT_WRITE;
985	while (!clienterr && retc <= 0 && err == SSL_ERROR_WANT_WRITE) {
986	retc = SSL_connect(clientssl);
987	if (retc <= 0)
988	err = SSL_get_error(clientssl, retc);
989	}
990
991	if (!clienterr && retc <= 0 && err != SSL_ERROR_WANT_READ) {
992	TEST_info("SSL_connect() failed %d, %d", retc, err);
993	if (want != SSL_ERROR_SSL)
994	TEST_openssl_errors();
995	clienterr = 1;
996	}
997	if (want != SSL_ERROR_NONE && err == want)
998	return 0;
999
1000	err = SSL_ERROR_WANT_WRITE;
1001	while (!servererr && rets <= 0 && err == SSL_ERROR_WANT_WRITE) {
1002	rets = SSL_accept(serverssl);
1003	if (rets <= 0)
1004	err = SSL_get_error(serverssl, rets);
1005	}
1006
1007	if (!servererr && rets <= 0
1008	&& err != SSL_ERROR_WANT_READ
1009	&& err != SSL_ERROR_WANT_X509_LOOKUP) {
1010	TEST_info("SSL_accept() failed %d, %d", rets, err);
1011	if (want != SSL_ERROR_SSL)
1012	TEST_openssl_errors();
1013	servererr = 1;
1014	}
1015	if (want != SSL_ERROR_NONE && err == want)
1016	return 0;
1017	if (clienterr && servererr)
1018	return 0;
1019	if (isdtls && read) {
1020	unsigned char buf[20];
1021
1022	/* Trigger any retransmits that may be appropriate */
1023	if (rets > 0 && retc <= 0) {
1024	if (SSL_read(serverssl, buf, sizeof(buf)) > 0) {
1025	/* We don't expect this to succeed! */
1026	TEST_info("Unexpected SSL_read() success!");
1027	return 0;
1028	}
1029	}
1030	if (retc > 0 && rets <= 0) {
1031	if (SSL_read(clientssl, buf, sizeof(buf)) > 0) {
1032	/* We don't expect this to succeed! */
1033	TEST_info("Unexpected SSL_read() success!");
1034	return 0;
1035	}
1036	}
1037	}
1038	if (++abortctr == MAXLOOPS) {
1039	TEST_info("No progress made");
1040	return 0;
1041	}
1042	if (isdtls && abortctr <= 50 && (abortctr % 10) == 0) {
1043	/*
1044	* It looks like we're just spinning. Pause for a short period to
1045	* give the DTLS timer a chance to do something. We only do this for
1046	* the first few times to prevent hangs.
1047	*/
1048	ossl_sleep(50);
1049	}
1050	} while (retc <=0 \|\| rets <= 0);
1051
1052	return 1;
1053	}
1054
1055	/*
1056	* Create an SSL connection including any post handshake NewSessionTicket
1057	* messages.
1058	*/
1059	int create_ssl_connection(SSL serverssl, SSL clientssl, int want)
1060	{
1061	int i;
1062	unsigned char buf;
1063	size_t readbytes;
1064
1065	if (!create_bare_ssl_connection(serverssl, clientssl, want, 1))
1066	return 0;
1067
1068	/*
1069	* We attempt to read some data on the client side which we expect to fail.
1070	* This will ensure we have received the NewSessionTicket in TLSv1.3 where
1071	* appropriate. We do this twice because there are 2 NewSessionTickets.
1072	*/
1073	for (i = 0; i < 2; i++) {
1074	if (SSL_read_ex(clientssl, &buf, sizeof(buf), &readbytes) > 0) {
1075	if (!TEST_ulong_eq(readbytes, 0))
1076	return 0;
1077	} else if (!TEST_int_eq(SSL_get_error(clientssl, 0),
1078	SSL_ERROR_WANT_READ)) {
1079	return 0;
1080	}
1081	}
1082
1083	return 1;
1084	}
1085
1086	void shutdown_ssl_connection(SSL serverssl, SSL clientssl)
1087	{
1088	SSL_shutdown(clientssl);
1089	SSL_shutdown(serverssl);
1090	SSL_free(serverssl);
1091	SSL_free(clientssl);
1092	}

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source: vbox/trunk/src/libs/openssl-3.0.7/test/helpers/ssltestlib.c@ 100947

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