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2cb4b5f6 | 1 | /* |
fecb3aae | 2 | * Copyright 2016-2022 The OpenSSL Project Authors. All Rights Reserved. |
2cb4b5f6 | 3 | * |
909f1a2e | 4 | * Licensed under the Apache License 2.0 (the "License"). You may not use |
2cb4b5f6 MC |
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 | ||
d82dec40 MC |
10 | #include <string.h> |
11 | ||
176db6dc | 12 | #include "internal/nelem.h" |
2cb4b5f6 | 13 | #include "ssltestlib.h" |
20f8bc72 | 14 | #include "../testutil.h" |
d5f9166b | 15 | #include "internal/e_os.h" /* for ossl_sleep() etc. */ |
61e96557 MC |
16 | |
17 | #ifdef OPENSSL_SYS_UNIX | |
18 | # include <unistd.h> | |
e8d0819d DDO |
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> | |
5c8b7b4c | 26 | # endif |
61e96557 | 27 | #endif |
2cb4b5f6 | 28 | |
d9a2e90b MC |
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 */ | |
8ed9a266 RS |
38 | #define BIO_TYPE_TLS_DUMP_FILTER (0x80 | BIO_TYPE_FILTER) |
39 | #define BIO_TYPE_MEMPACKET_TEST 0x81 | |
a77b4dba | 40 | #define BIO_TYPE_ALWAYS_RETRY 0x82 |
d9a2e90b MC |
41 | |
42 | static BIO_METHOD *method_tls_dump = NULL; | |
8ed9a266 | 43 | static BIO_METHOD *meth_mem = NULL; |
a77b4dba | 44 | static BIO_METHOD *meth_always_retry = NULL; |
d9a2e90b MC |
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"); | |
1287dabd | 52 | if (method_tls_dump == NULL |
d9a2e90b MC |
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"); | |
28b86f31 | 174 | else if (reclen < fraglen) |
d9a2e90b MC |
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 | ||
d82dec40 | 249 | |
0556f2aa | 250 | struct mempacket_st { |
d82dec40 MC |
251 | unsigned char *data; |
252 | int len; | |
253 | unsigned int num; | |
254 | unsigned int type; | |
0556f2aa | 255 | }; |
d82dec40 | 256 | |
d82dec40 MC |
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; | |
61e96557 | 270 | unsigned int injected; |
d82dec40 | 271 | unsigned int noinject; |
61e96557 MC |
272 | unsigned int dropepoch; |
273 | int droprec; | |
f1358634 | 274 | int duprec; |
d82dec40 MC |
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 | { | |
8ed9a266 RS |
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))) | |
d82dec40 MC |
297 | return NULL; |
298 | } | |
8ed9a266 | 299 | return meth_mem; |
d82dec40 MC |
300 | } |
301 | ||
302 | void bio_s_mempacket_test_free(void) | |
303 | { | |
8ed9a266 | 304 | BIO_meth_free(meth_mem); |
d82dec40 MC |
305 | } |
306 | ||
307 | static int mempacket_test_new(BIO *bio) | |
308 | { | |
8ed9a266 | 309 | MEMPACKET_TEST_CTX *ctx; |
bd91e3c8 | 310 | |
8ed9a266 | 311 | if (!TEST_ptr(ctx = OPENSSL_zalloc(sizeof(*ctx)))) |
d82dec40 | 312 | return 0; |
8ed9a266 | 313 | if (!TEST_ptr(ctx->pkts = sk_MEMPACKET_new_null())) { |
d82dec40 MC |
314 | OPENSSL_free(ctx); |
315 | return 0; | |
316 | } | |
61e96557 MC |
317 | ctx->dropepoch = 0; |
318 | ctx->droprec = -1; | |
d82dec40 MC |
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); | |
d82dec40 MC |
332 | return 1; |
333 | } | |
334 | ||
335 | /* Record Header values */ | |
61e96557 MC |
336 | #define EPOCH_HI 3 |
337 | #define EPOCH_LO 4 | |
d82dec40 MC |
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); | |
d82dec40 MC |
353 | thispkt = sk_MEMPACKET_value(ctx->pkts, 0); |
354 | if (thispkt == NULL || thispkt->num != ctx->currpkt) { | |
355 | /* Probably run out of data */ | |
356 | BIO_set_retry_read(bio); | |
357 | return -1; | |
358 | } | |
1c288878 | 359 | (void)sk_MEMPACKET_shift(ctx->pkts); |
d82dec40 MC |
360 | ctx->currpkt++; |
361 | ||
362 | if (outl > thispkt->len) | |
363 | outl = thispkt->len; | |
364 | ||
61e96557 MC |
365 | if (thispkt->type != INJECT_PACKET_IGNORE_REC_SEQ |
366 | && (ctx->injected || ctx->droprec >= 0)) { | |
d82dec40 MC |
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 | */ | |
61e96557 | 373 | for (rem = thispkt->len, rec = thispkt->data; rem > 0; rem -= len) { |
8ed9a266 | 374 | if (rem < DTLS1_RT_HEADER_LENGTH) |
d82dec40 | 375 | return -1; |
d82dec40 MC |
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); | |
d82dec40 MC |
388 | |
389 | len = ((rec[RECORD_LEN_HI] << 8) | rec[RECORD_LEN_LO]) | |
390 | + DTLS1_RT_HEADER_LENGTH; | |
61e96557 MC |
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++; | |
d82dec40 MC |
405 | } |
406 | } | |
407 | ||
408 | memcpy(out, thispkt->data, outl); | |
d82dec40 | 409 | mempacket_free(thispkt); |
d82dec40 MC |
410 | return outl; |
411 | } | |
412 | ||
413 | int mempacket_test_inject(BIO *bio, const char *in, int inl, int pktnum, | |
414 | int type) | |
415 | { | |
416 | MEMPACKET_TEST_CTX *ctx = BIO_get_data(bio); | |
f1358634 | 417 | MEMPACKET *thispkt = NULL, *looppkt, *nextpkt, *allpkts[3]; |
760e2d60 | 418 | int i, duprec; |
f1358634 MC |
419 | const unsigned char *inu = (const unsigned char *)in; |
420 | size_t len = ((inu[RECORD_LEN_HI] << 8) | inu[RECORD_LEN_LO]) | |
421 | + DTLS1_RT_HEADER_LENGTH; | |
d82dec40 MC |
422 | |
423 | if (ctx == NULL) | |
424 | return -1; | |
425 | ||
f1358634 MC |
426 | if ((size_t)inl < len) |
427 | return -1; | |
428 | ||
429 | if ((size_t)inl == len) | |
430 | duprec = 0; | |
760e2d60 F |
431 | else |
432 | duprec = ctx->duprec > 0; | |
f1358634 MC |
433 | |
434 | /* We don't support arbitrary injection when duplicating records */ | |
435 | if (duprec && pktnum != -1) | |
436 | return -1; | |
437 | ||
d82dec40 MC |
438 | /* We only allow injection before we've started writing any data */ |
439 | if (pktnum >= 0) { | |
440 | if (ctx->noinject) | |
441 | return -1; | |
61e96557 | 442 | ctx->injected = 1; |
d82dec40 MC |
443 | } else { |
444 | ctx->noinject = 1; | |
445 | } | |
446 | ||
f1358634 MC |
447 | for (i = 0; i < (duprec ? 3 : 1); i++) { |
448 | if (!TEST_ptr(allpkts[i] = OPENSSL_malloc(sizeof(*thispkt)))) | |
449 | goto err; | |
450 | thispkt = allpkts[i]; | |
d82dec40 | 451 | |
f1358634 MC |
452 | if (!TEST_ptr(thispkt->data = OPENSSL_malloc(inl))) |
453 | goto err; | |
454 | /* | |
455 | * If we are duplicating the packet, we duplicate it three times. The | |
456 | * first two times we drop the first record if there are more than one. | |
457 | * In this way we know that libssl will not be able to make progress | |
458 | * until it receives the last packet, and hence will be forced to | |
459 | * buffer these records. | |
460 | */ | |
461 | if (duprec && i != 2) { | |
462 | memcpy(thispkt->data, in + len, inl - len); | |
463 | thispkt->len = inl - len; | |
464 | } else { | |
465 | memcpy(thispkt->data, in, inl); | |
466 | thispkt->len = inl; | |
467 | } | |
468 | thispkt->num = (pktnum >= 0) ? (unsigned int)pktnum : ctx->lastpkt + i; | |
469 | thispkt->type = type; | |
470 | } | |
d82dec40 | 471 | |
1287dabd | 472 | for (i = 0; (looppkt = sk_MEMPACKET_value(ctx->pkts, i)) != NULL; i++) { |
d82dec40 MC |
473 | /* Check if we found the right place to insert this packet */ |
474 | if (looppkt->num > thispkt->num) { | |
f1358634 MC |
475 | if (sk_MEMPACKET_insert(ctx->pkts, thispkt, i) == 0) |
476 | goto err; | |
d82dec40 MC |
477 | /* If we're doing up front injection then we're done */ |
478 | if (pktnum >= 0) | |
479 | return inl; | |
480 | /* | |
481 | * We need to do some accounting on lastpkt. We increment it first, | |
482 | * but it might now equal the value of injected packets, so we need | |
483 | * to skip over those | |
484 | */ | |
485 | ctx->lastpkt++; | |
486 | do { | |
487 | i++; | |
488 | nextpkt = sk_MEMPACKET_value(ctx->pkts, i); | |
489 | if (nextpkt != NULL && nextpkt->num == ctx->lastpkt) | |
490 | ctx->lastpkt++; | |
491 | else | |
492 | return inl; | |
493 | } while(1); | |
28b86f31 | 494 | } else if (looppkt->num == thispkt->num) { |
d82dec40 MC |
495 | if (!ctx->noinject) { |
496 | /* We injected two packets with the same packet number! */ | |
f1358634 | 497 | goto err; |
d82dec40 MC |
498 | } |
499 | ctx->lastpkt++; | |
500 | thispkt->num++; | |
501 | } | |
502 | } | |
503 | /* | |
504 | * We didn't find any packets with a packet number equal to or greater than | |
505 | * this one, so we just add it onto the end | |
506 | */ | |
f1358634 MC |
507 | for (i = 0; i < (duprec ? 3 : 1); i++) { |
508 | thispkt = allpkts[i]; | |
509 | if (!sk_MEMPACKET_push(ctx->pkts, thispkt)) | |
510 | goto err; | |
d82dec40 | 511 | |
f1358634 MC |
512 | if (pktnum < 0) |
513 | ctx->lastpkt++; | |
514 | } | |
d82dec40 MC |
515 | |
516 | return inl; | |
f1358634 MC |
517 | |
518 | err: | |
519 | for (i = 0; i < (ctx->duprec > 0 ? 3 : 1); i++) | |
520 | mempacket_free(allpkts[i]); | |
521 | return -1; | |
d82dec40 MC |
522 | } |
523 | ||
524 | static int mempacket_test_write(BIO *bio, const char *in, int inl) | |
525 | { | |
526 | return mempacket_test_inject(bio, in, inl, -1, STANDARD_PACKET); | |
527 | } | |
528 | ||
529 | static long mempacket_test_ctrl(BIO *bio, int cmd, long num, void *ptr) | |
530 | { | |
531 | long ret = 1; | |
532 | MEMPACKET_TEST_CTX *ctx = BIO_get_data(bio); | |
533 | MEMPACKET *thispkt; | |
534 | ||
535 | switch (cmd) { | |
536 | case BIO_CTRL_EOF: | |
537 | ret = (long)(sk_MEMPACKET_num(ctx->pkts) == 0); | |
538 | break; | |
539 | case BIO_CTRL_GET_CLOSE: | |
540 | ret = BIO_get_shutdown(bio); | |
541 | break; | |
542 | case BIO_CTRL_SET_CLOSE: | |
543 | BIO_set_shutdown(bio, (int)num); | |
544 | break; | |
545 | case BIO_CTRL_WPENDING: | |
546 | ret = 0L; | |
547 | break; | |
548 | case BIO_CTRL_PENDING: | |
549 | thispkt = sk_MEMPACKET_value(ctx->pkts, 0); | |
550 | if (thispkt == NULL) | |
551 | ret = 0; | |
552 | else | |
553 | ret = thispkt->len; | |
554 | break; | |
555 | case BIO_CTRL_FLUSH: | |
556 | ret = 1; | |
557 | break; | |
61e96557 MC |
558 | case MEMPACKET_CTRL_SET_DROP_EPOCH: |
559 | ctx->dropepoch = (unsigned int)num; | |
560 | break; | |
561 | case MEMPACKET_CTRL_SET_DROP_REC: | |
562 | ctx->droprec = (int)num; | |
563 | break; | |
564 | case MEMPACKET_CTRL_GET_DROP_REC: | |
565 | ret = ctx->droprec; | |
566 | break; | |
f1358634 MC |
567 | case MEMPACKET_CTRL_SET_DUPLICATE_REC: |
568 | ctx->duprec = (int)num; | |
569 | break; | |
d82dec40 MC |
570 | case BIO_CTRL_RESET: |
571 | case BIO_CTRL_DUP: | |
572 | case BIO_CTRL_PUSH: | |
573 | case BIO_CTRL_POP: | |
574 | default: | |
575 | ret = 0; | |
576 | break; | |
577 | } | |
578 | return ret; | |
579 | } | |
580 | ||
581 | static int mempacket_test_gets(BIO *bio, char *buf, int size) | |
582 | { | |
583 | /* We don't support this - not needed anyway */ | |
584 | return -1; | |
585 | } | |
586 | ||
587 | static int mempacket_test_puts(BIO *bio, const char *str) | |
588 | { | |
589 | return mempacket_test_write(bio, str, strlen(str)); | |
590 | } | |
591 | ||
a77b4dba MC |
592 | static int always_retry_new(BIO *bi); |
593 | static int always_retry_free(BIO *a); | |
594 | static int always_retry_read(BIO *b, char *out, int outl); | |
595 | static int always_retry_write(BIO *b, const char *in, int inl); | |
596 | static long always_retry_ctrl(BIO *b, int cmd, long num, void *ptr); | |
597 | static int always_retry_gets(BIO *bp, char *buf, int size); | |
598 | static int always_retry_puts(BIO *bp, const char *str); | |
599 | ||
600 | const BIO_METHOD *bio_s_always_retry(void) | |
601 | { | |
602 | if (meth_always_retry == NULL) { | |
603 | if (!TEST_ptr(meth_always_retry = BIO_meth_new(BIO_TYPE_ALWAYS_RETRY, | |
604 | "Always Retry")) | |
605 | || !TEST_true(BIO_meth_set_write(meth_always_retry, | |
606 | always_retry_write)) | |
607 | || !TEST_true(BIO_meth_set_read(meth_always_retry, | |
608 | always_retry_read)) | |
609 | || !TEST_true(BIO_meth_set_puts(meth_always_retry, | |
610 | always_retry_puts)) | |
611 | || !TEST_true(BIO_meth_set_gets(meth_always_retry, | |
612 | always_retry_gets)) | |
613 | || !TEST_true(BIO_meth_set_ctrl(meth_always_retry, | |
614 | always_retry_ctrl)) | |
615 | || !TEST_true(BIO_meth_set_create(meth_always_retry, | |
616 | always_retry_new)) | |
617 | || !TEST_true(BIO_meth_set_destroy(meth_always_retry, | |
618 | always_retry_free))) | |
619 | return NULL; | |
620 | } | |
621 | return meth_always_retry; | |
622 | } | |
623 | ||
624 | void bio_s_always_retry_free(void) | |
625 | { | |
626 | BIO_meth_free(meth_always_retry); | |
627 | } | |
628 | ||
629 | static int always_retry_new(BIO *bio) | |
630 | { | |
631 | BIO_set_init(bio, 1); | |
632 | return 1; | |
633 | } | |
634 | ||
635 | static int always_retry_free(BIO *bio) | |
636 | { | |
637 | BIO_set_data(bio, NULL); | |
638 | BIO_set_init(bio, 0); | |
639 | return 1; | |
640 | } | |
641 | ||
642 | static int always_retry_read(BIO *bio, char *out, int outl) | |
643 | { | |
644 | BIO_set_retry_read(bio); | |
645 | return -1; | |
646 | } | |
647 | ||
648 | static int always_retry_write(BIO *bio, const char *in, int inl) | |
649 | { | |
650 | BIO_set_retry_write(bio); | |
651 | return -1; | |
652 | } | |
653 | ||
654 | static long always_retry_ctrl(BIO *bio, int cmd, long num, void *ptr) | |
655 | { | |
656 | long ret = 1; | |
657 | ||
658 | switch (cmd) { | |
659 | case BIO_CTRL_FLUSH: | |
660 | BIO_set_retry_write(bio); | |
661 | /* fall through */ | |
662 | case BIO_CTRL_EOF: | |
663 | case BIO_CTRL_RESET: | |
664 | case BIO_CTRL_DUP: | |
665 | case BIO_CTRL_PUSH: | |
666 | case BIO_CTRL_POP: | |
667 | default: | |
668 | ret = 0; | |
669 | break; | |
670 | } | |
671 | return ret; | |
672 | } | |
673 | ||
674 | static int always_retry_gets(BIO *bio, char *buf, int size) | |
675 | { | |
676 | BIO_set_retry_read(bio); | |
677 | return -1; | |
678 | } | |
679 | ||
680 | static int always_retry_puts(BIO *bio, const char *str) | |
681 | { | |
682 | BIO_set_retry_write(bio); | |
683 | return -1; | |
684 | } | |
685 | ||
b4250010 | 686 | int create_ssl_ctx_pair(OSSL_LIB_CTX *libctx, const SSL_METHOD *sm, |
a763ca11 MC |
687 | const SSL_METHOD *cm, int min_proto_version, |
688 | int max_proto_version, SSL_CTX **sctx, SSL_CTX **cctx, | |
689 | char *certfile, char *privkeyfile) | |
2cb4b5f6 MC |
690 | { |
691 | SSL_CTX *serverctx = NULL; | |
692 | SSL_CTX *clientctx = NULL; | |
693 | ||
a763ca11 MC |
694 | if (sctx != NULL) { |
695 | if (*sctx != NULL) | |
696 | serverctx = *sctx; | |
55373bfd RS |
697 | else if (!TEST_ptr(serverctx = SSL_CTX_new_ex(libctx, NULL, sm)) |
698 | || !TEST_true(SSL_CTX_set_options(serverctx, | |
699 | SSL_OP_ALLOW_CLIENT_RENEGOTIATION))) | |
a763ca11 MC |
700 | goto err; |
701 | } | |
2cb4b5f6 | 702 | |
9aa78c36 MC |
703 | if (cctx != NULL) { |
704 | if (*cctx != NULL) | |
705 | clientctx = *cctx; | |
d8652be0 | 706 | else if (!TEST_ptr(clientctx = SSL_CTX_new_ex(libctx, NULL, cm))) |
9aa78c36 MC |
707 | goto err; |
708 | } | |
709 | ||
a763ca11 MC |
710 | #if !defined(OPENSSL_NO_TLS1_3) \ |
711 | && defined(OPENSSL_NO_EC) \ | |
712 | && defined(OPENSSL_NO_DH) | |
713 | /* | |
714 | * There are no usable built-in TLSv1.3 groups if ec and dh are both | |
715 | * disabled | |
716 | */ | |
717 | if (max_proto_version == 0 | |
718 | && (sm == TLS_server_method() || cm == TLS_client_method())) | |
719 | max_proto_version = TLS1_2_VERSION; | |
720 | #endif | |
721 | ||
722 | if (serverctx != NULL | |
723 | && ((min_proto_version > 0 | |
724 | && !TEST_true(SSL_CTX_set_min_proto_version(serverctx, | |
725 | min_proto_version))) | |
726 | || (max_proto_version > 0 | |
727 | && !TEST_true(SSL_CTX_set_max_proto_version(serverctx, | |
728 | max_proto_version))))) | |
7d7f6834 RL |
729 | goto err; |
730 | if (clientctx != NULL | |
731 | && ((min_proto_version > 0 | |
6021d8ec | 732 | && !TEST_true(SSL_CTX_set_min_proto_version(clientctx, |
7d7f6834 RL |
733 | min_proto_version))) |
734 | || (max_proto_version > 0 | |
6021d8ec | 735 | && !TEST_true(SSL_CTX_set_max_proto_version(clientctx, |
7d7f6834 RL |
736 | max_proto_version))))) |
737 | goto err; | |
738 | ||
a763ca11 | 739 | if (serverctx != NULL && certfile != NULL && privkeyfile != NULL) { |
0d8da779 MC |
740 | if (!TEST_int_eq(SSL_CTX_use_certificate_file(serverctx, certfile, |
741 | SSL_FILETYPE_PEM), 1) | |
742 | || !TEST_int_eq(SSL_CTX_use_PrivateKey_file(serverctx, | |
743 | privkeyfile, | |
744 | SSL_FILETYPE_PEM), 1) | |
745 | || !TEST_int_eq(SSL_CTX_check_private_key(serverctx), 1)) | |
746 | goto err; | |
747 | } | |
2cb4b5f6 | 748 | |
a763ca11 MC |
749 | if (sctx != NULL) |
750 | *sctx = serverctx; | |
bb01ef3f MC |
751 | if (cctx != NULL) |
752 | *cctx = clientctx; | |
2cb4b5f6 | 753 | return 1; |
8ed9a266 | 754 | |
2cb4b5f6 | 755 | err: |
a763ca11 | 756 | if (sctx != NULL && *sctx == NULL) |
0d52ede7 MC |
757 | SSL_CTX_free(serverctx); |
758 | if (cctx != NULL && *cctx == NULL) | |
759 | SSL_CTX_free(clientctx); | |
2cb4b5f6 MC |
760 | return 0; |
761 | } | |
762 | ||
9970290e | 763 | #define MAXLOOPS 1000000 |
2cb4b5f6 | 764 | |
5e9072ed | 765 | #if !defined(OPENSSL_NO_KTLS) && !defined(OPENSSL_NO_SOCK) |
fe5d9450 BP |
766 | static int set_nb(int fd) |
767 | { | |
768 | int flags; | |
769 | ||
1287dabd | 770 | flags = fcntl(fd, F_GETFL, 0); |
fe5d9450 BP |
771 | if (flags == -1) |
772 | return flags; | |
773 | flags = fcntl(fd, F_SETFL, flags | O_NONBLOCK); | |
774 | return flags; | |
775 | } | |
776 | ||
e1fdd526 | 777 | int create_test_sockets(int *cfdp, int *sfdp) |
fe5d9450 BP |
778 | { |
779 | struct sockaddr_in sin; | |
780 | const char *host = "127.0.0.1"; | |
781 | int cfd_connected = 0, ret = 0; | |
782 | socklen_t slen = sizeof(sin); | |
e1fdd526 | 783 | int afd = -1, cfd = -1, sfd = -1; |
fe5d9450 BP |
784 | |
785 | memset ((char *) &sin, 0, sizeof(sin)); | |
786 | sin.sin_family = AF_INET; | |
787 | sin.sin_addr.s_addr = inet_addr(host); | |
788 | ||
789 | afd = socket(AF_INET, SOCK_STREAM, 0); | |
790 | if (afd < 0) | |
791 | return 0; | |
792 | ||
793 | if (bind(afd, (struct sockaddr*)&sin, sizeof(sin)) < 0) | |
794 | goto out; | |
795 | ||
796 | if (getsockname(afd, (struct sockaddr*)&sin, &slen) < 0) | |
797 | goto out; | |
798 | ||
799 | if (listen(afd, 1) < 0) | |
800 | goto out; | |
801 | ||
e1fdd526 JB |
802 | cfd = socket(AF_INET, SOCK_STREAM, 0); |
803 | if (cfd < 0) | |
fe5d9450 BP |
804 | goto out; |
805 | ||
806 | if (set_nb(afd) == -1) | |
807 | goto out; | |
808 | ||
1287dabd | 809 | while (sfd == -1 || !cfd_connected) { |
e1fdd526 JB |
810 | sfd = accept(afd, NULL, 0); |
811 | if (sfd == -1 && errno != EAGAIN) | |
fe5d9450 BP |
812 | goto out; |
813 | ||
e1fdd526 | 814 | if (!cfd_connected && connect(cfd, (struct sockaddr*)&sin, sizeof(sin)) < 0) |
fe5d9450 BP |
815 | goto out; |
816 | else | |
817 | cfd_connected = 1; | |
818 | } | |
819 | ||
e1fdd526 | 820 | if (set_nb(cfd) == -1 || set_nb(sfd) == -1) |
fe5d9450 BP |
821 | goto out; |
822 | ret = 1; | |
e1fdd526 JB |
823 | *cfdp = cfd; |
824 | *sfdp = sfd; | |
fe5d9450 BP |
825 | goto success; |
826 | ||
827 | out: | |
e1fdd526 JB |
828 | if (cfd != -1) |
829 | close(cfd); | |
830 | if (sfd != -1) | |
831 | close(sfd); | |
fe5d9450 | 832 | success: |
e1fdd526 JB |
833 | if (afd != -1) |
834 | close(afd); | |
fe5d9450 BP |
835 | return ret; |
836 | } | |
fe5d9450 BP |
837 | |
838 | int create_ssl_objects2(SSL_CTX *serverctx, SSL_CTX *clientctx, SSL **sssl, | |
839 | SSL **cssl, int sfd, int cfd) | |
840 | { | |
841 | SSL *serverssl = NULL, *clientssl = NULL; | |
842 | BIO *s_to_c_bio = NULL, *c_to_s_bio = NULL; | |
843 | ||
844 | if (*sssl != NULL) | |
845 | serverssl = *sssl; | |
846 | else if (!TEST_ptr(serverssl = SSL_new(serverctx))) | |
847 | goto error; | |
848 | if (*cssl != NULL) | |
849 | clientssl = *cssl; | |
850 | else if (!TEST_ptr(clientssl = SSL_new(clientctx))) | |
851 | goto error; | |
852 | ||
853 | if (!TEST_ptr(s_to_c_bio = BIO_new_socket(sfd, BIO_NOCLOSE)) | |
854 | || !TEST_ptr(c_to_s_bio = BIO_new_socket(cfd, BIO_NOCLOSE))) | |
855 | goto error; | |
856 | ||
857 | SSL_set_bio(clientssl, c_to_s_bio, c_to_s_bio); | |
858 | SSL_set_bio(serverssl, s_to_c_bio, s_to_c_bio); | |
859 | *sssl = serverssl; | |
860 | *cssl = clientssl; | |
861 | return 1; | |
862 | ||
863 | error: | |
864 | SSL_free(serverssl); | |
865 | SSL_free(clientssl); | |
866 | BIO_free(s_to_c_bio); | |
867 | BIO_free(c_to_s_bio); | |
868 | return 0; | |
869 | } | |
5e9072ed | 870 | #endif |
fe5d9450 | 871 | |
2cb4b5f6 MC |
872 | /* |
873 | * NOTE: Transfers control of the BIOs - this function will free them on error | |
874 | */ | |
b4982125 | 875 | int create_ssl_objects(SSL_CTX *serverctx, SSL_CTX *clientctx, SSL **sssl, |
2cb4b5f6 MC |
876 | SSL **cssl, BIO *s_to_c_fbio, BIO *c_to_s_fbio) |
877 | { | |
8ed9a266 | 878 | SSL *serverssl = NULL, *clientssl = NULL; |
2cb4b5f6 MC |
879 | BIO *s_to_c_bio = NULL, *c_to_s_bio = NULL; |
880 | ||
8ed9a266 | 881 | if (*sssl != NULL) |
eaa776da | 882 | serverssl = *sssl; |
8ed9a266 RS |
883 | else if (!TEST_ptr(serverssl = SSL_new(serverctx))) |
884 | goto error; | |
885 | if (*cssl != NULL) | |
eaa776da | 886 | clientssl = *cssl; |
8ed9a266 | 887 | else if (!TEST_ptr(clientssl = SSL_new(clientctx))) |
2cb4b5f6 | 888 | goto error; |
2cb4b5f6 | 889 | |
b4982125 | 890 | if (SSL_is_dtls(clientssl)) { |
8ed9a266 RS |
891 | if (!TEST_ptr(s_to_c_bio = BIO_new(bio_s_mempacket_test())) |
892 | || !TEST_ptr(c_to_s_bio = BIO_new(bio_s_mempacket_test()))) | |
893 | goto error; | |
b4982125 | 894 | } else { |
8ed9a266 RS |
895 | if (!TEST_ptr(s_to_c_bio = BIO_new(BIO_s_mem())) |
896 | || !TEST_ptr(c_to_s_bio = BIO_new(BIO_s_mem()))) | |
897 | goto error; | |
2cb4b5f6 MC |
898 | } |
899 | ||
8ed9a266 RS |
900 | if (s_to_c_fbio != NULL |
901 | && !TEST_ptr(s_to_c_bio = BIO_push(s_to_c_fbio, s_to_c_bio))) | |
902 | goto error; | |
903 | if (c_to_s_fbio != NULL | |
904 | && !TEST_ptr(c_to_s_bio = BIO_push(c_to_s_fbio, c_to_s_bio))) | |
2cb4b5f6 | 905 | goto error; |
2cb4b5f6 MC |
906 | |
907 | /* Set Non-blocking IO behaviour */ | |
908 | BIO_set_mem_eof_return(s_to_c_bio, -1); | |
909 | BIO_set_mem_eof_return(c_to_s_bio, -1); | |
910 | ||
911 | /* Up ref these as we are passing them to two SSL objects */ | |
8ed9a266 | 912 | SSL_set_bio(serverssl, c_to_s_bio, s_to_c_bio); |
2cb4b5f6 MC |
913 | BIO_up_ref(s_to_c_bio); |
914 | BIO_up_ref(c_to_s_bio); | |
2cb4b5f6 | 915 | SSL_set_bio(clientssl, s_to_c_bio, c_to_s_bio); |
b4982125 MC |
916 | *sssl = serverssl; |
917 | *cssl = clientssl; | |
b4982125 MC |
918 | return 1; |
919 | ||
920 | error: | |
921 | SSL_free(serverssl); | |
922 | SSL_free(clientssl); | |
923 | BIO_free(s_to_c_bio); | |
924 | BIO_free(c_to_s_bio); | |
925 | BIO_free(s_to_c_fbio); | |
926 | BIO_free(c_to_s_fbio); | |
927 | ||
928 | return 0; | |
929 | } | |
930 | ||
c748834f | 931 | /* |
743d9c16 | 932 | * Create an SSL connection, but does not read any post-handshake |
c748834f | 933 | * NewSessionTicket messages. |
80c455d5 MC |
934 | * If |read| is set and we're using DTLS then we will attempt to SSL_read on |
935 | * the connection once we've completed one half of it, to ensure any retransmits | |
936 | * get triggered. | |
743d9c16 MC |
937 | * We stop the connection attempt (and return a failure value) if either peer |
938 | * has SSL_get_error() return the value in the |want| parameter. The connection | |
939 | * attempt could be restarted by a subsequent call to this function. | |
c748834f | 940 | */ |
80c455d5 MC |
941 | int create_bare_ssl_connection(SSL *serverssl, SSL *clientssl, int want, |
942 | int read) | |
b4982125 | 943 | { |
c748834f | 944 | int retc = -1, rets = -1, err, abortctr = 0; |
b4982125 | 945 | int clienterr = 0, servererr = 0; |
61e96557 | 946 | int isdtls = SSL_is_dtls(serverssl); |
b4982125 | 947 | |
2cb4b5f6 MC |
948 | do { |
949 | err = SSL_ERROR_WANT_WRITE; | |
eaa776da | 950 | while (!clienterr && retc <= 0 && err == SSL_ERROR_WANT_WRITE) { |
2cb4b5f6 MC |
951 | retc = SSL_connect(clientssl); |
952 | if (retc <= 0) | |
953 | err = SSL_get_error(clientssl, retc); | |
954 | } | |
955 | ||
eaa776da | 956 | if (!clienterr && retc <= 0 && err != SSL_ERROR_WANT_READ) { |
8ed9a266 | 957 | TEST_info("SSL_connect() failed %d, %d", retc, err); |
e737adb4 MC |
958 | if (want != SSL_ERROR_SSL) |
959 | TEST_openssl_errors(); | |
eaa776da | 960 | clienterr = 1; |
2cb4b5f6 | 961 | } |
8e2236ef BK |
962 | if (want != SSL_ERROR_NONE && err == want) |
963 | return 0; | |
2cb4b5f6 MC |
964 | |
965 | err = SSL_ERROR_WANT_WRITE; | |
eaa776da | 966 | while (!servererr && rets <= 0 && err == SSL_ERROR_WANT_WRITE) { |
2cb4b5f6 MC |
967 | rets = SSL_accept(serverssl); |
968 | if (rets <= 0) | |
969 | err = SSL_get_error(serverssl, rets); | |
970 | } | |
971 | ||
cd6fe29f MC |
972 | if (!servererr && rets <= 0 |
973 | && err != SSL_ERROR_WANT_READ | |
974 | && err != SSL_ERROR_WANT_X509_LOOKUP) { | |
8ed9a266 | 975 | TEST_info("SSL_accept() failed %d, %d", rets, err); |
e737adb4 MC |
976 | if (want != SSL_ERROR_SSL) |
977 | TEST_openssl_errors(); | |
eaa776da | 978 | servererr = 1; |
2cb4b5f6 | 979 | } |
8e2236ef BK |
980 | if (want != SSL_ERROR_NONE && err == want) |
981 | return 0; | |
eaa776da | 982 | if (clienterr && servererr) |
b4982125 | 983 | return 0; |
80c455d5 MC |
984 | if (isdtls && read) { |
985 | unsigned char buf[20]; | |
986 | ||
987 | /* Trigger any retransmits that may be appropriate */ | |
988 | if (rets > 0 && retc <= 0) { | |
989 | if (SSL_read(serverssl, buf, sizeof(buf)) > 0) { | |
990 | /* We don't expect this to succeed! */ | |
991 | TEST_info("Unexpected SSL_read() success!"); | |
992 | return 0; | |
993 | } | |
994 | } | |
995 | if (retc > 0 && rets <= 0) { | |
996 | if (SSL_read(clientssl, buf, sizeof(buf)) > 0) { | |
997 | /* We don't expect this to succeed! */ | |
998 | TEST_info("Unexpected SSL_read() success!"); | |
999 | return 0; | |
1000 | } | |
1001 | } | |
61e96557 | 1002 | } |
2cb4b5f6 | 1003 | if (++abortctr == MAXLOOPS) { |
8ed9a266 | 1004 | TEST_info("No progress made"); |
b4982125 | 1005 | return 0; |
2cb4b5f6 | 1006 | } |
61e96557 MC |
1007 | if (isdtls && abortctr <= 50 && (abortctr % 10) == 0) { |
1008 | /* | |
1009 | * It looks like we're just spinning. Pause for a short period to | |
1010 | * give the DTLS timer a chance to do something. We only do this for | |
1011 | * the first few times to prevent hangs. | |
1012 | */ | |
1013 | ossl_sleep(50); | |
1014 | } | |
2cb4b5f6 MC |
1015 | } while (retc <=0 || rets <= 0); |
1016 | ||
c748834f MC |
1017 | return 1; |
1018 | } | |
1019 | ||
1020 | /* | |
1021 | * Create an SSL connection including any post handshake NewSessionTicket | |
1022 | * messages. | |
1023 | */ | |
1024 | int create_ssl_connection(SSL *serverssl, SSL *clientssl, int want) | |
1025 | { | |
1026 | int i; | |
1027 | unsigned char buf; | |
1028 | size_t readbytes; | |
1029 | ||
80c455d5 | 1030 | if (!create_bare_ssl_connection(serverssl, clientssl, want, 1)) |
c748834f MC |
1031 | return 0; |
1032 | ||
59db06f1 MC |
1033 | /* |
1034 | * We attempt to read some data on the client side which we expect to fail. | |
1035 | * This will ensure we have received the NewSessionTicket in TLSv1.3 where | |
c2969ff6 | 1036 | * appropriate. We do this twice because there are 2 NewSessionTickets. |
59db06f1 | 1037 | */ |
36ff232c MC |
1038 | for (i = 0; i < 2; i++) { |
1039 | if (SSL_read_ex(clientssl, &buf, sizeof(buf), &readbytes) > 0) { | |
1040 | if (!TEST_ulong_eq(readbytes, 0)) | |
1041 | return 0; | |
1042 | } else if (!TEST_int_eq(SSL_get_error(clientssl, 0), | |
1043 | SSL_ERROR_WANT_READ)) { | |
59db06f1 | 1044 | return 0; |
36ff232c | 1045 | } |
59db06f1 MC |
1046 | } |
1047 | ||
2cb4b5f6 | 1048 | return 1; |
2cb4b5f6 | 1049 | } |
ca8c71ba MC |
1050 | |
1051 | void shutdown_ssl_connection(SSL *serverssl, SSL *clientssl) | |
1052 | { | |
1053 | SSL_shutdown(clientssl); | |
1054 | SSL_shutdown(serverssl); | |
1055 | SSL_free(serverssl); | |
1056 | SSL_free(clientssl); | |
1057 | } |