1 /*
2 * SSL client with options
3 *
4 * Copyright The Mbed TLS Contributors
5 * SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
6 */
7
8 #define MBEDTLS_ALLOW_PRIVATE_ACCESS
9
10 #include "ssl_test_lib.h"
11
12 #if defined(MBEDTLS_SSL_TEST_IMPOSSIBLE)
main(void)13 int main(void)
14 {
15 mbedtls_printf(MBEDTLS_SSL_TEST_IMPOSSIBLE);
16 mbedtls_exit(0);
17 }
18 #elif !defined(MBEDTLS_SSL_SRV_C)
main(void)19 int main(void)
20 {
21 mbedtls_printf("MBEDTLS_SSL_SRV_C not defined.\n");
22 mbedtls_exit(0);
23 }
24 #else /* !MBEDTLS_SSL_TEST_IMPOSSIBLE && MBEDTLS_SSL_SRV_C */
25
26 #include <stdint.h>
27
28 #if !defined(_MSC_VER)
29 #include <inttypes.h>
30 #endif
31
32 #if !defined(_WIN32)
33 #include <signal.h>
34 #endif
35
36 #if defined(MBEDTLS_SSL_CACHE_C)
37 #include "mbedtls/ssl_cache.h"
38 #endif
39
40 #if defined(MBEDTLS_SSL_SESSION_TICKETS) && defined(MBEDTLS_SSL_TICKET_C)
41 #include "mbedtls/ssl_ticket.h"
42 #endif
43
44 #if defined(MBEDTLS_SSL_COOKIE_C)
45 #include "mbedtls/ssl_cookie.h"
46 #endif
47
48 #if defined(MBEDTLS_SSL_SERVER_NAME_INDICATION) && defined(MBEDTLS_FS_IO)
49 #define SNI_OPTION
50 #endif
51
52 #if defined(_WIN32)
53 #include <windows.h>
54 #endif
55
56 #if defined(MBEDTLS_USE_PSA_CRYPTO) || defined(MBEDTLS_SSL_PROTO_TLS1_3)
57 #include "test/psa_crypto_helpers.h"
58 #endif
59
60 #include "mbedtls/pk.h"
61 #include "mbedtls/dhm.h"
62
63 /* Size of memory to be allocated for the heap, when using the library's memory
64 * management and MBEDTLS_MEMORY_BUFFER_ALLOC_C is enabled. */
65 #define MEMORY_HEAP_SIZE 180000
66
67 #define DFL_SERVER_ADDR NULL
68 #define DFL_SERVER_PORT "4433"
69 #define DFL_RESPONSE_SIZE -1
70 #define DFL_DEBUG_LEVEL 0
71 #define DFL_NBIO 0
72 #define DFL_EVENT 0
73 #define DFL_READ_TIMEOUT 0
74 #define DFL_CA_FILE ""
75 #define DFL_CA_PATH ""
76 #define DFL_CRT_FILE ""
77 #define DFL_KEY_FILE ""
78 #define DFL_KEY_OPAQUE 0
79 #define DFL_KEY_PWD ""
80 #define DFL_CRT_FILE2 ""
81 #define DFL_KEY_FILE2 ""
82 #define DFL_KEY_PWD2 ""
83 #define DFL_ASYNC_OPERATIONS "-"
84 #define DFL_ASYNC_PRIVATE_DELAY1 (-1)
85 #define DFL_ASYNC_PRIVATE_DELAY2 (-1)
86 #define DFL_ASYNC_PRIVATE_ERROR (0)
87 #define DFL_PSK ""
88 #define DFL_PSK_OPAQUE 0
89 #define DFL_PSK_LIST_OPAQUE 0
90 #define DFL_PSK_IDENTITY "Client_identity"
91 #define DFL_ECJPAKE_PW NULL
92 #define DFL_ECJPAKE_PW_OPAQUE 0
93 #define DFL_PSK_LIST NULL
94 #define DFL_FORCE_CIPHER 0
95 #define DFL_TLS1_3_KEX_MODES MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_ALL
96 #define DFL_RENEGOTIATION MBEDTLS_SSL_RENEGOTIATION_DISABLED
97 #define DFL_ALLOW_LEGACY -2
98 #define DFL_RENEGOTIATE 0
99 #define DFL_RENEGO_DELAY -2
100 #define DFL_RENEGO_PERIOD ((uint64_t) -1)
101 #define DFL_EXCHANGES 1
102 #define DFL_MIN_VERSION -1
103 #define DFL_MAX_VERSION -1
104 #define DFL_SHA1 -1
105 #define DFL_CID_ENABLED 0
106 #define DFL_CID_VALUE ""
107 #define DFL_CID_ENABLED_RENEGO -1
108 #define DFL_CID_VALUE_RENEGO NULL
109 #define DFL_AUTH_MODE -1
110 #define DFL_CERT_REQ_CA_LIST MBEDTLS_SSL_CERT_REQ_CA_LIST_ENABLED
111 #define DFL_CERT_REQ_DN_HINT 0
112 #define DFL_MFL_CODE MBEDTLS_SSL_MAX_FRAG_LEN_NONE
113 #define DFL_TRUNC_HMAC -1
114 #define DFL_TICKETS MBEDTLS_SSL_SESSION_TICKETS_ENABLED
115 #define DFL_DUMMY_TICKET 0
116 #define DFL_TICKET_ROTATE 0
117 #define DFL_TICKET_TIMEOUT 86400
118 #define DFL_TICKET_AEAD MBEDTLS_CIPHER_AES_256_GCM
119 #define DFL_CACHE_MAX -1
120 #define DFL_CACHE_TIMEOUT -1
121 #define DFL_CACHE_REMOVE 0
122 #define DFL_SNI NULL
123 #define DFL_ALPN_STRING NULL
124 #define DFL_GROUPS NULL
125 #define DFL_EARLY_DATA -1
126 #define DFL_MAX_EARLY_DATA_SIZE ((uint32_t) -1)
127 #define DFL_SIG_ALGS NULL
128 #define DFL_DHM_FILE NULL
129 #define DFL_TRANSPORT MBEDTLS_SSL_TRANSPORT_STREAM
130 #define DFL_COOKIES 1
131 #define DFL_ANTI_REPLAY -1
132 #define DFL_HS_TO_MIN 0
133 #define DFL_HS_TO_MAX 0
134 #define DFL_DTLS_MTU -1
135 #define DFL_BADMAC_LIMIT -1
136 #define DFL_DGRAM_PACKING 1
137 #define DFL_EXTENDED_MS -1
138 #define DFL_ETM -1
139 #define DFL_SERIALIZE 0
140 #define DFL_CONTEXT_FILE ""
141 #define DFL_EXTENDED_MS_ENFORCE -1
142 #define DFL_CA_CALLBACK 0
143 #define DFL_EAP_TLS 0
144 #define DFL_REPRODUCIBLE 0
145 #define DFL_NSS_KEYLOG 0
146 #define DFL_NSS_KEYLOG_FILE NULL
147 #define DFL_QUERY_CONFIG_MODE 0
148 #define DFL_USE_SRTP 0
149 #define DFL_SRTP_FORCE_PROFILE 0
150 #define DFL_SRTP_SUPPORT_MKI 0
151 #define DFL_KEY_OPAQUE_ALG "none"
152
153 #define LONG_RESPONSE "<p>01-blah-blah-blah-blah-blah-blah-blah-blah-blah\r\n" \
154 "02-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah\r\n" \
155 "03-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah\r\n" \
156 "04-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah\r\n" \
157 "05-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah\r\n" \
158 "06-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah\r\n" \
159 "07-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah</p>\r\n"
160
161 /* Uncomment LONG_RESPONSE at the end of HTTP_RESPONSE to test sending longer
162 * packets (for fragmentation purposes) */
163 #define HTTP_RESPONSE \
164 "HTTP/1.0 200 OK\r\nContent-Type: text/html\r\n\r\n" \
165 "<h2>Mbed TLS Test Server</h2>\r\n" \
166 "<p>Successful connection using: %s</p>\r\n" // LONG_RESPONSE
167
168 /*
169 * Size of the basic I/O buffer. Able to hold our default response.
170 */
171 #define DFL_IO_BUF_LEN 200
172
173 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED)
174 #if defined(MBEDTLS_FS_IO)
175 #define USAGE_IO \
176 " ca_file=%%s The single file containing the top-level CA(s) you fully trust\n" \
177 " default: \"\" (pre-loaded)\n" \
178 " use \"none\" to skip loading any top-level CAs.\n" \
179 " ca_path=%%s The path containing the top-level CA(s) you fully trust\n" \
180 " default: \"\" (pre-loaded) (overrides ca_file)\n" \
181 " use \"none\" to skip loading any top-level CAs.\n" \
182 " crt_file=%%s Your own cert and chain (in bottom to top order, top may be omitted)\n" \
183 " default: see note after key_file2\n" \
184 " key_file=%%s default: see note after key_file2\n" \
185 " key_pwd=%%s Password for key specified by key_file argument\n" \
186 " default: none\n" \
187 " crt_file2=%%s Your second cert and chain (in bottom to top order, top may be omitted)\n" \
188 " default: see note after key_file2\n" \
189 " key_file2=%%s default: see note below\n" \
190 " note: if neither crt_file/key_file nor crt_file2/key_file2 are used,\n" \
191 " preloaded certificate(s) and key(s) are used if available\n" \
192 " key_pwd2=%%s Password for key specified by key_file2 argument\n" \
193 " default: none\n" \
194 " dhm_file=%%s File containing Diffie-Hellman parameters\n" \
195 " default: preloaded parameters\n"
196 #else
197 #define USAGE_IO \
198 "\n" \
199 " No file operations available (MBEDTLS_FS_IO not defined)\n" \
200 "\n"
201 #endif /* MBEDTLS_FS_IO */
202 #else
203 #define USAGE_IO ""
204 #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED */
205 #if defined(MBEDTLS_USE_PSA_CRYPTO) && defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED)
206 #define USAGE_KEY_OPAQUE \
207 " key_opaque=%%d Handle your private keys as if they were opaque\n" \
208 " default: 0 (disabled)\n"
209 #else
210 #define USAGE_KEY_OPAQUE ""
211 #endif
212
213 #if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
214 #define USAGE_SSL_ASYNC \
215 " async_operations=%%c... d=decrypt, s=sign (default: -=off)\n" \
216 " async_private_delay1=%%d Asynchronous delay for key_file or preloaded key\n" \
217 " async_private_delay2=%%d Asynchronous delay for key_file2 and sni\n" \
218 " default: -1 (not asynchronous)\n" \
219 " async_private_error=%%d Async callback error injection (default=0=none,\n" \
220 " 1=start, 2=cancel, 3=resume, negative=first time only)"
221 #else
222 #define USAGE_SSL_ASYNC ""
223 #endif /* MBEDTLS_SSL_ASYNC_PRIVATE */
224
225 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
226 #define USAGE_CID \
227 " cid=%%d Disable (0) or enable (1) the use of the DTLS Connection ID extension.\n" \
228 " default: 0 (disabled)\n" \
229 " cid_renego=%%d Disable (0) or enable (1) the use of the DTLS Connection ID extension during renegotiation.\n" \
230 " default: same as 'cid' parameter\n" \
231 " cid_val=%%s The CID to use for incoming messages (in hex, without 0x).\n" \
232 " default: \"\"\n" \
233 " cid_val_renego=%%s The CID to use for incoming messages (in hex, without 0x) after renegotiation.\n" \
234 " default: same as 'cid_val' parameter\n"
235 #else /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
236 #define USAGE_CID ""
237 #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
238
239 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_PSK_ENABLED)
240 #define USAGE_PSK_RAW \
241 " psk=%%s default: \"\" (disabled)\n" \
242 " The PSK values are in hex, without 0x.\n" \
243 " psk_list=%%s default: \"\"\n" \
244 " A list of (PSK identity, PSK value) pairs.\n" \
245 " The PSK values are in hex, without 0x.\n" \
246 " id1,psk1[,id2,psk2[,...]]\n" \
247 " psk_identity=%%s default: \"Client_identity\"\n"
248 #if defined(MBEDTLS_USE_PSA_CRYPTO)
249 #define USAGE_PSK_SLOT \
250 " psk_opaque=%%d default: 0 (don't use opaque static PSK)\n" \
251 " Enable this to store the PSK configured through command line\n" \
252 " parameter `psk` in a PSA-based key slot.\n" \
253 " Note: Currently only supported in conjunction with\n" \
254 " the use of min_version to force TLS 1.2 and force_ciphersuite \n" \
255 " to force a particular PSK-only ciphersuite.\n" \
256 " Note: This is to test integration of PSA-based opaque PSKs with\n" \
257 " Mbed TLS only. Production systems are likely to configure Mbed TLS\n" \
258 " with prepopulated key slots instead of importing raw key material.\n" \
259 " psk_list_opaque=%%d default: 0 (don't use opaque dynamic PSKs)\n" \
260 " Enable this to store the list of dynamically chosen PSKs configured\n" \
261 " through the command line parameter `psk_list` in PSA-based key slots.\n" \
262 " Note: Currently only supported in conjunction with\n" \
263 " the use of min_version to force TLS 1.2 and force_ciphersuite \n" \
264 " to force a particular PSK-only ciphersuite.\n" \
265 " Note: This is to test integration of PSA-based opaque PSKs with\n" \
266 " Mbed TLS only. Production systems are likely to configure Mbed TLS\n" \
267 " with prepopulated key slots instead of importing raw key material.\n"
268 #else
269 #define USAGE_PSK_SLOT ""
270 #endif /* MBEDTLS_USE_PSA_CRYPTO */
271 #define USAGE_PSK USAGE_PSK_RAW USAGE_PSK_SLOT
272 #else
273 #define USAGE_PSK ""
274 #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_PSK_ENABLED */
275
276 #if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK)
277 #define USAGE_CA_CALLBACK \
278 " ca_callback=%%d default: 0 (disabled)\n" \
279 " Enable this to use the trusted certificate callback function\n"
280 #else
281 #define USAGE_CA_CALLBACK ""
282 #endif /* MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK */
283
284 #if defined(MBEDTLS_SSL_SESSION_TICKETS) && defined(MBEDTLS_SSL_TICKET_C)
285 #define USAGE_TICKETS \
286 " tickets=%%d default: 1 (enabled)\n" \
287 " ticket_rotate=%%d default: 0 (disabled)\n" \
288 " ticket_timeout=%%d default: 86400 (one day)\n" \
289 " ticket_aead=%%s default: \"AES-256-GCM\"\n"
290 #else /* MBEDTLS_SSL_SESSION_TICKETS && MBEDTLS_SSL_TICKET_C */
291 #define USAGE_TICKETS ""
292 #endif /* MBEDTLS_SSL_SESSION_TICKETS && MBEDTLS_SSL_TICKET_C */
293
294 #define USAGE_EAP_TLS \
295 " eap_tls=%%d default: 0 (disabled)\n"
296 #define USAGE_NSS_KEYLOG \
297 " nss_keylog=%%d default: 0 (disabled)\n" \
298 " This cannot be used with eap_tls=1\n"
299 #define USAGE_NSS_KEYLOG_FILE \
300 " nss_keylog_file=%%s\n"
301 #if defined(MBEDTLS_SSL_DTLS_SRTP)
302 #define USAGE_SRTP \
303 " use_srtp=%%d default: 0 (disabled)\n" \
304 " srtp_force_profile=%%d default: 0 (all enabled)\n" \
305 " available profiles:\n" \
306 " 1 - SRTP_AES128_CM_HMAC_SHA1_80\n" \
307 " 2 - SRTP_AES128_CM_HMAC_SHA1_32\n" \
308 " 3 - SRTP_NULL_HMAC_SHA1_80\n" \
309 " 4 - SRTP_NULL_HMAC_SHA1_32\n" \
310 " support_mki=%%d default: 0 (not supported)\n"
311 #else /* MBEDTLS_SSL_DTLS_SRTP */
312 #define USAGE_SRTP ""
313 #endif
314
315 #if defined(MBEDTLS_SSL_CACHE_C)
316 #define USAGE_CACHE \
317 " cache_max=%%d default: cache default (50)\n" \
318 " cache_remove=%%d default: 0 (don't remove)\n"
319 #if defined(MBEDTLS_HAVE_TIME)
320 #define USAGE_CACHE_TIME \
321 " cache_timeout=%%d default: cache default (1d)\n"
322 #else
323 #define USAGE_CACHE_TIME ""
324 #endif
325 #else
326 #define USAGE_CACHE ""
327 #define USAGE_CACHE_TIME ""
328 #endif /* MBEDTLS_SSL_CACHE_C */
329
330 #if defined(SNI_OPTION)
331 #if defined(MBEDTLS_X509_CRL_PARSE_C)
332 #define SNI_CRL ",crl"
333 #else
334 #define SNI_CRL ""
335 #endif
336
337 #define USAGE_SNI \
338 " sni=%%s name1,cert1,key1,ca1"SNI_CRL ",auth1[,...]\n" \
339 " default: disabled\n"
340 #else
341 #define USAGE_SNI ""
342 #endif /* SNI_OPTION */
343
344 #if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH)
345 #define USAGE_MAX_FRAG_LEN \
346 " max_frag_len=%%d default: 16384 (tls default)\n" \
347 " options: 512, 1024, 2048, 4096\n"
348 #else
349 #define USAGE_MAX_FRAG_LEN ""
350 #endif /* MBEDTLS_SSL_MAX_FRAGMENT_LENGTH */
351
352 #if defined(MBEDTLS_SSL_ALPN)
353 #define USAGE_ALPN \
354 " alpn=%%s default: \"\" (disabled)\n" \
355 " example: spdy/1,http/1.1\n"
356 #else
357 #define USAGE_ALPN ""
358 #endif /* MBEDTLS_SSL_ALPN */
359
360 #if defined(MBEDTLS_SSL_DTLS_HELLO_VERIFY)
361 #define USAGE_COOKIES \
362 " cookies=0/1/-1 default: 1 (enabled)\n" \
363 " 0: disabled, -1: library default (broken)\n"
364 #else
365 #define USAGE_COOKIES ""
366 #endif
367
368 #if defined(MBEDTLS_SSL_DTLS_ANTI_REPLAY)
369 #define USAGE_ANTI_REPLAY \
370 " anti_replay=0/1 default: (library default: enabled)\n"
371 #else
372 #define USAGE_ANTI_REPLAY ""
373 #endif
374
375 #define USAGE_BADMAC_LIMIT \
376 " badmac_limit=%%d default: (library default: disabled)\n"
377
378 #if defined(MBEDTLS_SSL_PROTO_DTLS)
379 #define USAGE_DTLS \
380 " dtls=%%d default: 0 (TLS)\n" \
381 " hs_timeout=%%d-%%d default: (library default: 1000-60000)\n" \
382 " range of DTLS handshake timeouts in millisecs\n" \
383 " mtu=%%d default: (library default: unlimited)\n" \
384 " dgram_packing=%%d default: 1 (allowed)\n" \
385 " allow or forbid packing of multiple\n" \
386 " records within a single datgram.\n"
387 #else
388 #define USAGE_DTLS ""
389 #endif
390
391 #if defined(MBEDTLS_SSL_EXTENDED_MASTER_SECRET)
392 #define USAGE_EMS \
393 " extended_ms=0/1 default: (library default: on)\n"
394 #else
395 #define USAGE_EMS ""
396 #endif
397
398 #if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC)
399 #define USAGE_ETM \
400 " etm=0/1 default: (library default: on)\n"
401 #else
402 #define USAGE_ETM ""
403 #endif
404
405 #define USAGE_REPRODUCIBLE \
406 " reproducible=0/1 default: 0 (disabled)\n"
407
408 #if defined(MBEDTLS_SSL_RENEGOTIATION)
409 #define USAGE_RENEGO \
410 " renegotiation=%%d default: 0 (disabled)\n" \
411 " renegotiate=%%d default: 0 (disabled)\n" \
412 " renego_delay=%%d default: -2 (library default)\n" \
413 " renego_period=%%d default: (2^64 - 1 for TLS, 2^48 - 1 for DTLS)\n"
414 #else
415 #define USAGE_RENEGO ""
416 #endif
417
418 #if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
419 #if defined(MBEDTLS_USE_PSA_CRYPTO)
420 #define USAGE_ECJPAKE \
421 " ecjpake_pw=%%s default: none (disabled)\n" \
422 " ecjpake_pw_opaque=%%d default: 0 (disabled)\n"
423 #else /* MBEDTLS_USE_PSA_CRYPTO */
424 #define USAGE_ECJPAKE \
425 " ecjpake_pw=%%s default: none (disabled)\n"
426 #endif /* MBEDTLS_USE_PSA_CRYPTO */
427 #else /* MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED */
428 #define USAGE_ECJPAKE ""
429 #endif /* MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED */
430
431 #if defined(MBEDTLS_SSL_EARLY_DATA)
432 #define USAGE_EARLY_DATA \
433 " early_data=%%d default: library default\n" \
434 " options: 0 (disabled), 1 (enabled)\n" \
435 " max_early_data_size=%%d default: library default\n" \
436 " options: max amount of early data\n"
437 #else
438 #define USAGE_EARLY_DATA ""
439 #endif /* MBEDTLS_SSL_EARLY_DATA */
440
441 #if defined(MBEDTLS_PK_HAVE_ECC_KEYS) || \
442 (defined(MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_SOME_EPHEMERAL_ENABLED) && \
443 defined(PSA_WANT_ALG_FFDH))
444 #define USAGE_GROUPS \
445 " groups=a,b,c,d default: \"default\" (library default)\n" \
446 " example: \"secp521r1,brainpoolP512r1\"\n" \
447 " - use \"none\" for empty list\n" \
448 " - see mbedtls_ecp_curve_list()\n" \
449 " for acceptable EC group names\n" \
450 " - the following ffdh groups are supported:\n" \
451 " ffdhe2048, ffdhe3072, ffdhe4096, ffdhe6144,\n" \
452 " ffdhe8192\n"
453 #else
454 #define USAGE_GROUPS ""
455 #endif
456
457 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED)
458 #define USAGE_SIG_ALGS \
459 " sig_algs=a,b,c,d default: \"default\" (library default)\n" \
460 " example: \"ecdsa_secp256r1_sha256,ecdsa_secp384r1_sha384\"\n"
461 #else
462 #define USAGE_SIG_ALGS ""
463 #endif
464
465 #if defined(MBEDTLS_SSL_CONTEXT_SERIALIZATION)
466 #define USAGE_SERIALIZATION \
467 " serialize=%%d default: 0 (do not serialize/deserialize)\n" \
468 " options: 1 (serialize)\n" \
469 " 2 (serialize with re-initialization)\n" \
470 " context_file=%%s The file path to write a serialized connection\n" \
471 " in the form of base64 code (serialize option\n" \
472 " must be set)\n" \
473 " default: \"\" (do nothing)\n" \
474 " option: a file path\n"
475 #else
476 #define USAGE_SERIALIZATION ""
477 #endif
478
479 #define USAGE_KEY_OPAQUE_ALGS \
480 " key_opaque_algs=%%s Allowed opaque key 1 algorithms.\n" \
481 " comma-separated pair of values among the following:\n" \
482 " rsa-sign-pkcs1, rsa-sign-pss, rsa-sign-pss-sha256,\n" \
483 " rsa-sign-pss-sha384, rsa-sign-pss-sha512, rsa-decrypt,\n" \
484 " ecdsa-sign, ecdh, none (only acceptable for\n" \
485 " the second value).\n" \
486 " key_opaque_algs2=%%s Allowed opaque key 2 algorithms.\n" \
487 " comma-separated pair of values among the following:\n" \
488 " rsa-sign-pkcs1, rsa-sign-pss, rsa-sign-pss-sha256,\n" \
489 " rsa-sign-pss-sha384, rsa-sign-pss-sha512, rsa-decrypt,\n" \
490 " ecdsa-sign, ecdh, none (only acceptable for\n" \
491 " the second value).\n"
492 #if defined(MBEDTLS_SSL_PROTO_TLS1_3)
493 #define USAGE_TLS1_3_KEY_EXCHANGE_MODES \
494 " tls13_kex_modes=%%s default: all\n" \
495 " options: psk, psk_ephemeral, psk_all, ephemeral,\n" \
496 " ephemeral_all, all, psk_or_ephemeral\n"
497 #else
498 #define USAGE_TLS1_3_KEY_EXCHANGE_MODES ""
499 #endif /* MBEDTLS_SSL_PROTO_TLS1_3 */
500
501
502 /* USAGE is arbitrarily split to stay under the portable string literal
503 * length limit: 4095 bytes in C99. */
504 #define USAGE1 \
505 "\n usage: ssl_server2 param=<>...\n" \
506 "\n acceptable parameters:\n" \
507 " server_addr=%%s default: (all interfaces)\n" \
508 " server_port=%%d default: 4433\n" \
509 " debug_level=%%d default: 0 (disabled)\n" \
510 " build_version=%%d default: none (disabled)\n" \
511 " option: 1 (print build version only and stop)\n" \
512 " buffer_size=%%d default: 200 \n" \
513 " (minimum: 1)\n" \
514 " response_size=%%d default: about 152 (basic response)\n" \
515 " (minimum: 0, max: 16384)\n" \
516 " increases buffer_size if bigger\n" \
517 " nbio=%%d default: 0 (blocking I/O)\n" \
518 " options: 1 (non-blocking), 2 (added delays)\n" \
519 " event=%%d default: 0 (loop)\n" \
520 " options: 1 (level-triggered, implies nbio=1),\n" \
521 " read_timeout=%%d default: 0 ms (no timeout)\n" \
522 "\n" \
523 USAGE_DTLS \
524 USAGE_SRTP \
525 USAGE_COOKIES \
526 USAGE_ANTI_REPLAY \
527 USAGE_BADMAC_LIMIT \
528 "\n"
529 #define USAGE2 \
530 " auth_mode=%%s default: (library default: none)\n" \
531 " options: none, optional, required\n" \
532 " cert_req_ca_list=%%d default: 1 (send ca list)\n" \
533 " options: 1 (send ca list), 0 (don't send)\n" \
534 " 2 (send conf dn hint), 3 (send hs dn hint)\n" \
535 USAGE_IO \
536 USAGE_KEY_OPAQUE \
537 "\n" \
538 USAGE_PSK \
539 USAGE_CA_CALLBACK \
540 USAGE_ECJPAKE \
541 "\n"
542 #define USAGE3 \
543 " allow_legacy=%%d default: (library default: no)\n" \
544 USAGE_RENEGO \
545 " exchanges=%%d default: 1\n" \
546 "\n" \
547 USAGE_TICKETS \
548 USAGE_EAP_TLS \
549 USAGE_REPRODUCIBLE \
550 USAGE_NSS_KEYLOG \
551 USAGE_NSS_KEYLOG_FILE \
552 USAGE_CACHE \
553 USAGE_CACHE_TIME \
554 USAGE_MAX_FRAG_LEN \
555 USAGE_ALPN \
556 USAGE_EMS \
557 USAGE_ETM \
558 USAGE_GROUPS \
559 USAGE_SIG_ALGS \
560 USAGE_KEY_OPAQUE_ALGS \
561 USAGE_EARLY_DATA \
562 "\n"
563
564 #if defined(MBEDTLS_SSL_PROTO_TLS1_3)
565 #define TLS1_3_VERSION_OPTIONS ", tls13"
566 #else /* MBEDTLS_SSL_PROTO_TLS1_3 */
567 #define TLS1_3_VERSION_OPTIONS ""
568 #endif /* !MBEDTLS_SSL_PROTO_TLS1_3 */
569
570 #define USAGE4 \
571 USAGE_SSL_ASYNC \
572 USAGE_SNI \
573 " allow_sha1=%%d default: 0\n" \
574 " min_version=%%s default: (library default: tls12)\n" \
575 " max_version=%%s default: (library default: tls12)\n" \
576 " force_version=%%s default: \"\" (none)\n" \
577 " options: tls12, dtls12" TLS1_3_VERSION_OPTIONS \
578 "\n\n" \
579 " force_ciphersuite=<name> default: all enabled\n" \
580 USAGE_TLS1_3_KEY_EXCHANGE_MODES \
581 " query_config=<name> return 0 if the specified\n" \
582 " configuration macro is defined and 1\n" \
583 " otherwise. The expansion of the macro\n" \
584 " is printed if it is defined\n" \
585 USAGE_SERIALIZATION \
586 "\n"
587
588 #define PUT_UINT64_BE(out_be, in_le, i) \
589 { \
590 (out_be)[(i) + 0] = (unsigned char) (((in_le) >> 56) & 0xFF); \
591 (out_be)[(i) + 1] = (unsigned char) (((in_le) >> 48) & 0xFF); \
592 (out_be)[(i) + 2] = (unsigned char) (((in_le) >> 40) & 0xFF); \
593 (out_be)[(i) + 3] = (unsigned char) (((in_le) >> 32) & 0xFF); \
594 (out_be)[(i) + 4] = (unsigned char) (((in_le) >> 24) & 0xFF); \
595 (out_be)[(i) + 5] = (unsigned char) (((in_le) >> 16) & 0xFF); \
596 (out_be)[(i) + 6] = (unsigned char) (((in_le) >> 8) & 0xFF); \
597 (out_be)[(i) + 7] = (unsigned char) (((in_le) >> 0) & 0xFF); \
598 }
599
600 /* This is global so it can be easily accessed by callback functions */
601 rng_context_t rng;
602
603 /*
604 * global options
605 */
606 struct options {
607 const char *server_addr; /* address on which the ssl service runs */
608 const char *server_port; /* port on which the ssl service runs */
609 int debug_level; /* level of debugging */
610 int nbio; /* should I/O be blocking? */
611 int event; /* loop or event-driven IO? level or edge triggered? */
612 uint32_t read_timeout; /* timeout on mbedtls_ssl_read() in milliseconds */
613 int response_size; /* pad response with header to requested size */
614 uint16_t buffer_size; /* IO buffer size */
615 const char *ca_file; /* the file with the CA certificate(s) */
616 const char *ca_path; /* the path with the CA certificate(s) reside */
617 const char *crt_file; /* the file with the server certificate */
618 const char *key_file; /* the file with the server key */
619 int key_opaque; /* handle private key as if it were opaque */
620 const char *key_pwd; /* the password for the server key */
621 const char *crt_file2; /* the file with the 2nd server certificate */
622 const char *key_file2; /* the file with the 2nd server key */
623 const char *key_pwd2; /* the password for the 2nd server key */
624 const char *async_operations; /* supported SSL asynchronous operations */
625 int async_private_delay1; /* number of times f_async_resume needs to be called for key 1, or -1 for no async */
626 int async_private_delay2; /* number of times f_async_resume needs to be called for key 2, or -1 for no async */
627 int async_private_error; /* inject error in async private callback */
628 #if defined(MBEDTLS_USE_PSA_CRYPTO)
629 int psk_opaque;
630 int psk_list_opaque;
631 #endif
632 #if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK)
633 int ca_callback; /* Use callback for trusted certificate list */
634 #endif
635 const char *psk; /* the pre-shared key */
636 const char *psk_identity; /* the pre-shared key identity */
637 char *psk_list; /* list of PSK id/key pairs for callback */
638 const char *ecjpake_pw; /* the EC J-PAKE password */
639 #if defined(MBEDTLS_USE_PSA_CRYPTO)
640 int ecjpake_pw_opaque; /* set to 1 to use the opaque method for setting the password */
641 #endif
642 int force_ciphersuite[2]; /* protocol/ciphersuite to use, or all */
643 #if defined(MBEDTLS_SSL_PROTO_TLS1_3)
644 int tls13_kex_modes; /* supported TLS 1.3 key exchange modes */
645 #endif /* MBEDTLS_SSL_PROTO_TLS1_3 */
646 int renegotiation; /* enable / disable renegotiation */
647 int allow_legacy; /* allow legacy renegotiation */
648 int renegotiate; /* attempt renegotiation? */
649 int renego_delay; /* delay before enforcing renegotiation */
650 uint64_t renego_period; /* period for automatic renegotiation */
651 int exchanges; /* number of data exchanges */
652 int min_version; /* minimum protocol version accepted */
653 int max_version; /* maximum protocol version accepted */
654 int allow_sha1; /* flag for SHA-1 support */
655 int auth_mode; /* verify mode for connection */
656 int cert_req_ca_list; /* should we send the CA list? */
657 int cert_req_dn_hint; /* mode to set DN hints for CA list to send */
658 unsigned char mfl_code; /* code for maximum fragment length */
659 int trunc_hmac; /* accept truncated hmac? */
660 int tickets; /* enable / disable session tickets */
661 int dummy_ticket; /* enable / disable dummy ticket generator */
662 int ticket_rotate; /* session ticket rotate (code coverage) */
663 int ticket_timeout; /* session ticket lifetime */
664 int ticket_aead; /* session ticket protection */
665 int cache_max; /* max number of session cache entries */
666 #if defined(MBEDTLS_HAVE_TIME)
667 int cache_timeout; /* expiration delay of session cache entries*/
668 #endif
669 int cache_remove; /* enable / disable cache entry removal */
670 char *sni; /* string describing sni information */
671 const char *groups; /* list of supported groups */
672 const char *sig_algs; /* supported TLS 1.3 signature algorithms */
673 const char *alpn_string; /* ALPN supported protocols */
674 const char *dhm_file; /* the file with the DH parameters */
675 int extended_ms; /* allow negotiation of extended MS? */
676 int etm; /* allow negotiation of encrypt-then-MAC? */
677 int transport; /* TLS or DTLS? */
678 int cookies; /* Use cookies for DTLS? -1 to break them */
679 int anti_replay; /* Use anti-replay for DTLS? -1 for default */
680 uint32_t hs_to_min; /* Initial value of DTLS handshake timer */
681 uint32_t hs_to_max; /* Max value of DTLS handshake timer */
682 int dtls_mtu; /* UDP Maximum transport unit for DTLS */
683 int dgram_packing; /* allow/forbid datagram packing */
684 int badmac_limit; /* Limit of records with bad MAC */
685 int eap_tls; /* derive EAP-TLS keying material? */
686 int nss_keylog; /* export NSS key log material */
687 const char *nss_keylog_file; /* NSS key log file */
688 int cid_enabled; /* whether to use the CID extension or not */
689 int cid_enabled_renego; /* whether to use the CID extension or not
690 * during renegotiation */
691 const char *cid_val; /* the CID to use for incoming messages */
692 int serialize; /* serialize/deserialize connection */
693 const char *context_file; /* the file to write a serialized connection
694 * in the form of base64 code (serialize
695 * option must be set) */
696 const char *cid_val_renego; /* the CID to use for incoming messages
697 * after renegotiation */
698 int reproducible; /* make communication reproducible */
699 #if defined(MBEDTLS_SSL_EARLY_DATA)
700 int early_data; /* early data enablement flag */
701 uint32_t max_early_data_size; /* max amount of early data */
702 #endif
703 int query_config_mode; /* whether to read config */
704 int use_srtp; /* Support SRTP */
705 int force_srtp_profile; /* SRTP protection profile to use or all */
706 int support_mki; /* The dtls mki mki support */
707 const char *key1_opaque_alg1; /* Allowed opaque key 1 alg 1 */
708 const char *key1_opaque_alg2; /* Allowed opaque key 1 alg 2 */
709 const char *key2_opaque_alg1; /* Allowed opaque key 2 alg 1 */
710 const char *key2_opaque_alg2; /* Allowed opaque key 2 alg 2 */
711 } opt;
712
713 #include "ssl_test_common_source.c"
714
715 /*
716 * Return authmode from string, or -1 on error
717 */
get_auth_mode(const char * s)718 static int get_auth_mode(const char *s)
719 {
720 if (strcmp(s, "none") == 0) {
721 return MBEDTLS_SSL_VERIFY_NONE;
722 }
723 if (strcmp(s, "optional") == 0) {
724 return MBEDTLS_SSL_VERIFY_OPTIONAL;
725 }
726 if (strcmp(s, "required") == 0) {
727 return MBEDTLS_SSL_VERIFY_REQUIRED;
728 }
729
730 return -1;
731 }
732
733 /*
734 * Used by sni_parse and psk_parse to handle comma-separated lists
735 */
736 #define GET_ITEM(dst) \
737 do \
738 { \
739 (dst) = p; \
740 while (*p != ',') \
741 if (++p > end) \
742 goto error; \
743 *p++ = '\0'; \
744 } while (0)
745
746 #if defined(SNI_OPTION)
747 typedef struct _sni_entry sni_entry;
748
749 struct _sni_entry {
750 const char *name;
751 mbedtls_x509_crt *cert;
752 mbedtls_pk_context *key;
753 mbedtls_x509_crt *ca;
754 mbedtls_x509_crl *crl;
755 int authmode;
756 sni_entry *next;
757 };
758
sni_free(sni_entry * head)759 static void sni_free(sni_entry *head)
760 {
761 sni_entry *cur = head, *next;
762
763 while (cur != NULL) {
764 mbedtls_x509_crt_free(cur->cert);
765 mbedtls_free(cur->cert);
766
767 mbedtls_pk_free(cur->key);
768 mbedtls_free(cur->key);
769
770 mbedtls_x509_crt_free(cur->ca);
771 mbedtls_free(cur->ca);
772 #if defined(MBEDTLS_X509_CRL_PARSE_C)
773 mbedtls_x509_crl_free(cur->crl);
774 mbedtls_free(cur->crl);
775 #endif
776 next = cur->next;
777 mbedtls_free(cur);
778 cur = next;
779 }
780 }
781
782 /*
783 * Parse a string of sextuples name1,crt1,key1,ca1,crl1,auth1[,...]
784 * into a usable sni_entry list. For ca1, crl1, auth1, the special value
785 * '-' means unset. If ca1 is unset, then crl1 is ignored too.
786 *
787 * Modifies the input string! This is not production quality!
788 */
sni_parse(char * sni_string)789 static sni_entry *sni_parse(char *sni_string)
790 {
791 sni_entry *cur = NULL, *new = NULL;
792 char *p = sni_string;
793 char *end = p;
794 char *crt_file, *key_file, *ca_file, *auth_str;
795 #if defined(MBEDTLS_X509_CRL_PARSE_C)
796 char *crl_file;
797 #endif
798
799 while (*end != '\0') {
800 ++end;
801 }
802 *end = ',';
803
804 while (p <= end) {
805 if ((new = mbedtls_calloc(1, sizeof(sni_entry))) == NULL) {
806 sni_free(cur);
807 return NULL;
808 }
809
810 GET_ITEM(new->name);
811 GET_ITEM(crt_file);
812 GET_ITEM(key_file);
813 GET_ITEM(ca_file);
814 #if defined(MBEDTLS_X509_CRL_PARSE_C)
815 GET_ITEM(crl_file);
816 #endif
817 GET_ITEM(auth_str);
818
819 if ((new->cert = mbedtls_calloc(1, sizeof(mbedtls_x509_crt))) == NULL ||
820 (new->key = mbedtls_calloc(1, sizeof(mbedtls_pk_context))) == NULL) {
821 goto error;
822 }
823
824 mbedtls_x509_crt_init(new->cert);
825 mbedtls_pk_init(new->key);
826
827 if (mbedtls_x509_crt_parse_file(new->cert, crt_file) != 0 ||
828 mbedtls_pk_parse_keyfile(new->key, key_file, "", rng_get, &rng) != 0) {
829 goto error;
830 }
831
832 if (strcmp(ca_file, "-") != 0) {
833 if ((new->ca = mbedtls_calloc(1, sizeof(mbedtls_x509_crt))) == NULL) {
834 goto error;
835 }
836
837 mbedtls_x509_crt_init(new->ca);
838
839 if (mbedtls_x509_crt_parse_file(new->ca, ca_file) != 0) {
840 goto error;
841 }
842 }
843
844 #if defined(MBEDTLS_X509_CRL_PARSE_C)
845 if (strcmp(crl_file, "-") != 0) {
846 if ((new->crl = mbedtls_calloc(1, sizeof(mbedtls_x509_crl))) == NULL) {
847 goto error;
848 }
849
850 mbedtls_x509_crl_init(new->crl);
851
852 if (mbedtls_x509_crl_parse_file(new->crl, crl_file) != 0) {
853 goto error;
854 }
855 }
856 #endif
857
858 if (strcmp(auth_str, "-") != 0) {
859 if ((new->authmode = get_auth_mode(auth_str)) < 0) {
860 goto error;
861 }
862 } else {
863 new->authmode = DFL_AUTH_MODE;
864 }
865
866 new->next = cur;
867 cur = new;
868 }
869
870 return cur;
871
872 error:
873 sni_free(new);
874 sni_free(cur);
875 return NULL;
876 }
877
878 /*
879 * SNI callback.
880 */
sni_callback(void * p_info,mbedtls_ssl_context * ssl,const unsigned char * name,size_t name_len)881 static int sni_callback(void *p_info, mbedtls_ssl_context *ssl,
882 const unsigned char *name, size_t name_len)
883 {
884 const sni_entry *cur = (const sni_entry *) p_info;
885
886 /* preserve behavior which checks for SNI match in sni_callback() for
887 * the benefits of tests using sni_callback(), even though the actual
888 * certificate assignment has moved to certificate selection callback
889 * in this application. This exercises sni_callback and cert_callback
890 * even though real applications might choose to do this differently.
891 * Application might choose to save name and name_len in user_data for
892 * later use in certificate selection callback.
893 */
894 while (cur != NULL) {
895 if (name_len == strlen(cur->name) &&
896 memcmp(name, cur->name, name_len) == 0) {
897 void *p;
898 *(const void **)&p = cur;
899 mbedtls_ssl_set_user_data_p(ssl, p);
900 return 0;
901 }
902
903 cur = cur->next;
904 }
905
906 return -1;
907 }
908
909 /*
910 * server certificate selection callback.
911 */
cert_callback(mbedtls_ssl_context * ssl)912 static int cert_callback(mbedtls_ssl_context *ssl)
913 {
914 const sni_entry *cur = (sni_entry *) mbedtls_ssl_get_user_data_p(ssl);
915 if (cur != NULL) {
916 /*(exercise mbedtls_ssl_get_hs_sni(); not otherwise used here)*/
917 size_t name_len;
918 const unsigned char *name = mbedtls_ssl_get_hs_sni(ssl, &name_len);
919 if (strlen(cur->name) != name_len ||
920 memcmp(cur->name, name, name_len) != 0) {
921 return MBEDTLS_ERR_SSL_DECODE_ERROR;
922 }
923
924 if (cur->ca != NULL) {
925 mbedtls_ssl_set_hs_ca_chain(ssl, cur->ca, cur->crl);
926 }
927
928 if (cur->authmode != DFL_AUTH_MODE) {
929 mbedtls_ssl_set_hs_authmode(ssl, cur->authmode);
930 }
931
932 return mbedtls_ssl_set_hs_own_cert(ssl, cur->cert, cur->key);
933 }
934
935 return 0;
936 }
937
938 #endif /* SNI_OPTION */
939
940 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_PSK_ENABLED)
941
942 typedef struct _psk_entry psk_entry;
943
944 struct _psk_entry {
945 const char *name;
946 size_t key_len;
947 unsigned char key[MBEDTLS_PSK_MAX_LEN];
948 #if defined(MBEDTLS_USE_PSA_CRYPTO)
949 mbedtls_svc_key_id_t slot;
950 #endif /* MBEDTLS_USE_PSA_CRYPTO */
951 psk_entry *next;
952 };
953
954 /*
955 * Free a list of psk_entry's
956 */
psk_free(psk_entry * head)957 static int psk_free(psk_entry *head)
958 {
959 psk_entry *next;
960
961 while (head != NULL) {
962 #if defined(MBEDTLS_USE_PSA_CRYPTO)
963 psa_status_t status;
964 mbedtls_svc_key_id_t const slot = head->slot;
965
966 if (MBEDTLS_SVC_KEY_ID_GET_KEY_ID(slot) != 0) {
967 status = psa_destroy_key(slot);
968 if (status != PSA_SUCCESS) {
969 return status;
970 }
971 }
972 #endif /* MBEDTLS_USE_PSA_CRYPTO */
973
974 next = head->next;
975 mbedtls_free(head);
976 head = next;
977 }
978
979 return 0;
980 }
981
982 /*
983 * Parse a string of pairs name1,key1[,name2,key2[,...]]
984 * into a usable psk_entry list.
985 *
986 * Modifies the input string! This is not production quality!
987 */
psk_parse(char * psk_string)988 static psk_entry *psk_parse(char *psk_string)
989 {
990 psk_entry *cur = NULL, *new = NULL;
991 char *p = psk_string;
992 char *end = p;
993 char *key_hex;
994
995 while (*end != '\0') {
996 ++end;
997 }
998 *end = ',';
999
1000 while (p <= end) {
1001 if ((new = mbedtls_calloc(1, sizeof(psk_entry))) == NULL) {
1002 goto error;
1003 }
1004
1005 memset(new, 0, sizeof(psk_entry));
1006
1007 GET_ITEM(new->name);
1008 GET_ITEM(key_hex);
1009
1010 if (mbedtls_test_unhexify(new->key, MBEDTLS_PSK_MAX_LEN,
1011 key_hex, &new->key_len) != 0) {
1012 goto error;
1013 }
1014
1015 new->next = cur;
1016 cur = new;
1017 }
1018
1019 return cur;
1020
1021 error:
1022 psk_free(new);
1023 psk_free(cur);
1024 return 0;
1025 }
1026
1027 /*
1028 * PSK callback
1029 */
psk_callback(void * p_info,mbedtls_ssl_context * ssl,const unsigned char * name,size_t name_len)1030 static int psk_callback(void *p_info, mbedtls_ssl_context *ssl,
1031 const unsigned char *name, size_t name_len)
1032 {
1033 psk_entry *cur = (psk_entry *) p_info;
1034
1035 while (cur != NULL) {
1036 if (name_len == strlen(cur->name) &&
1037 memcmp(name, cur->name, name_len) == 0) {
1038 #if defined(MBEDTLS_USE_PSA_CRYPTO)
1039 if (MBEDTLS_SVC_KEY_ID_GET_KEY_ID(cur->slot) != 0) {
1040 return mbedtls_ssl_set_hs_psk_opaque(ssl, cur->slot);
1041 } else
1042 #endif
1043 return mbedtls_ssl_set_hs_psk(ssl, cur->key, cur->key_len);
1044 }
1045
1046 cur = cur->next;
1047 }
1048
1049 return -1;
1050 }
1051 #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_PSK_ENABLED */
1052
1053 static mbedtls_net_context listen_fd, client_fd;
1054
1055 /* Interruption handler to ensure clean exit (for valgrind testing) */
1056 #if !defined(_WIN32)
1057 static int received_sigterm = 0;
term_handler(int sig)1058 static void term_handler(int sig)
1059 {
1060 ((void) sig);
1061 received_sigterm = 1;
1062 mbedtls_net_free(&listen_fd); /* causes mbedtls_net_accept() to abort */
1063 mbedtls_net_free(&client_fd); /* causes net_read() to abort */
1064 }
1065 #endif
1066
1067 /** Return true if \p ret is a status code indicating that there is an
1068 * operation in progress on an SSL connection, and false if it indicates
1069 * success or a fatal error.
1070 *
1071 * The possible operations in progress are:
1072 *
1073 * - A read, when the SSL input buffer does not contain a full message.
1074 * - A write, when the SSL output buffer contains some data that has not
1075 * been sent over the network yet.
1076 * - An asynchronous callback that has not completed yet. */
mbedtls_status_is_ssl_in_progress(int ret)1077 static int mbedtls_status_is_ssl_in_progress(int ret)
1078 {
1079 return ret == MBEDTLS_ERR_SSL_WANT_READ ||
1080 ret == MBEDTLS_ERR_SSL_WANT_WRITE ||
1081 ret == MBEDTLS_ERR_SSL_ASYNC_IN_PROGRESS;
1082 }
1083
1084 #if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
1085 typedef struct {
1086 mbedtls_x509_crt *cert; /*!< Certificate corresponding to the key */
1087 mbedtls_pk_context *pk; /*!< Private key */
1088 unsigned delay; /*!< Number of resume steps to go through */
1089 unsigned pk_owned : 1; /*!< Whether to free the pk object on exit */
1090 } ssl_async_key_slot_t;
1091
1092 typedef enum {
1093 SSL_ASYNC_INJECT_ERROR_NONE = 0, /*!< Let the callbacks succeed */
1094 SSL_ASYNC_INJECT_ERROR_START, /*!< Inject error during start */
1095 SSL_ASYNC_INJECT_ERROR_CANCEL, /*!< Close the connection after async start */
1096 SSL_ASYNC_INJECT_ERROR_RESUME, /*!< Inject error during resume */
1097 #define SSL_ASYNC_INJECT_ERROR_MAX SSL_ASYNC_INJECT_ERROR_RESUME
1098 } ssl_async_inject_error_t;
1099
1100 typedef struct {
1101 ssl_async_key_slot_t slots[4]; /* key, key2, sni1, sni2 */
1102 size_t slots_used;
1103 ssl_async_inject_error_t inject_error;
1104 int (*f_rng)(void *, unsigned char *, size_t);
1105 void *p_rng;
1106 } ssl_async_key_context_t;
1107
ssl_async_set_key(ssl_async_key_context_t * ctx,mbedtls_x509_crt * cert,mbedtls_pk_context * pk,int pk_take_ownership,unsigned delay)1108 static int ssl_async_set_key(ssl_async_key_context_t *ctx,
1109 mbedtls_x509_crt *cert,
1110 mbedtls_pk_context *pk,
1111 int pk_take_ownership,
1112 unsigned delay)
1113 {
1114 if (ctx->slots_used >= sizeof(ctx->slots) / sizeof(*ctx->slots)) {
1115 return -1;
1116 }
1117 ctx->slots[ctx->slots_used].cert = cert;
1118 ctx->slots[ctx->slots_used].pk = pk;
1119 ctx->slots[ctx->slots_used].delay = delay;
1120 ctx->slots[ctx->slots_used].pk_owned = pk_take_ownership;
1121 ++ctx->slots_used;
1122 return 0;
1123 }
1124
1125 #define SSL_ASYNC_INPUT_MAX_SIZE 512
1126
1127 typedef enum {
1128 ASYNC_OP_SIGN,
1129 ASYNC_OP_DECRYPT,
1130 } ssl_async_operation_type_t;
1131
1132 typedef struct {
1133 unsigned slot;
1134 ssl_async_operation_type_t operation_type;
1135 mbedtls_md_type_t md_alg;
1136 unsigned char input[SSL_ASYNC_INPUT_MAX_SIZE];
1137 size_t input_len;
1138 unsigned remaining_delay;
1139 } ssl_async_operation_context_t;
1140
1141 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED)
1142
1143 /* Note that ssl_async_operation_type_t and the array below need to be kept in sync!
1144 * `ssl_async_operation_names[op]` is the name of op for each value `op`
1145 * of type `ssl_async_operation_type_t`. */
1146 static const char *const ssl_async_operation_names[] =
1147 {
1148 "sign",
1149 "decrypt",
1150 };
1151
ssl_async_start(mbedtls_ssl_context * ssl,mbedtls_x509_crt * cert,ssl_async_operation_type_t op_type,mbedtls_md_type_t md_alg,const unsigned char * input,size_t input_len)1152 static int ssl_async_start(mbedtls_ssl_context *ssl,
1153 mbedtls_x509_crt *cert,
1154 ssl_async_operation_type_t op_type,
1155 mbedtls_md_type_t md_alg,
1156 const unsigned char *input,
1157 size_t input_len)
1158 {
1159 ssl_async_key_context_t *config_data =
1160 mbedtls_ssl_conf_get_async_config_data(ssl->conf);
1161 unsigned slot;
1162 ssl_async_operation_context_t *ctx = NULL;
1163 const char *op_name = ssl_async_operation_names[op_type];
1164
1165 {
1166 char dn[100];
1167 if (mbedtls_x509_dn_gets(dn, sizeof(dn), &cert->subject) > 0) {
1168 mbedtls_printf("Async %s callback: looking for DN=%s\n",
1169 op_name, dn);
1170 }
1171 }
1172
1173 /* Look for a private key that matches the public key in cert.
1174 * Since this test code has the private key inside Mbed TLS,
1175 * we call mbedtls_pk_check_pair to match a private key with the
1176 * public key. */
1177 for (slot = 0; slot < config_data->slots_used; slot++) {
1178 if (mbedtls_pk_check_pair(&cert->pk,
1179 config_data->slots[slot].pk,
1180 rng_get, &rng) == 0) {
1181 break;
1182 }
1183 }
1184 if (slot == config_data->slots_used) {
1185 mbedtls_printf("Async %s callback: no key matches this certificate.\n",
1186 op_name);
1187 return MBEDTLS_ERR_SSL_HW_ACCEL_FALLTHROUGH;
1188 }
1189 mbedtls_printf("Async %s callback: using key slot %u, delay=%u.\n",
1190 op_name, slot, config_data->slots[slot].delay);
1191
1192 if (config_data->inject_error == SSL_ASYNC_INJECT_ERROR_START) {
1193 mbedtls_printf("Async %s callback: injected error\n", op_name);
1194 return MBEDTLS_ERR_PK_FEATURE_UNAVAILABLE;
1195 }
1196
1197 if (input_len > SSL_ASYNC_INPUT_MAX_SIZE) {
1198 return MBEDTLS_ERR_SSL_BAD_INPUT_DATA;
1199 }
1200
1201 ctx = mbedtls_calloc(1, sizeof(*ctx));
1202 if (ctx == NULL) {
1203 return MBEDTLS_ERR_SSL_ALLOC_FAILED;
1204 }
1205 ctx->slot = slot;
1206 ctx->operation_type = op_type;
1207 ctx->md_alg = md_alg;
1208 memcpy(ctx->input, input, input_len);
1209 ctx->input_len = input_len;
1210 ctx->remaining_delay = config_data->slots[slot].delay;
1211 mbedtls_ssl_set_async_operation_data(ssl, ctx);
1212
1213 if (ctx->remaining_delay == 0) {
1214 return 0;
1215 } else {
1216 return MBEDTLS_ERR_SSL_ASYNC_IN_PROGRESS;
1217 }
1218 }
1219
ssl_async_sign(mbedtls_ssl_context * ssl,mbedtls_x509_crt * cert,mbedtls_md_type_t md_alg,const unsigned char * hash,size_t hash_len)1220 static int ssl_async_sign(mbedtls_ssl_context *ssl,
1221 mbedtls_x509_crt *cert,
1222 mbedtls_md_type_t md_alg,
1223 const unsigned char *hash,
1224 size_t hash_len)
1225 {
1226 return ssl_async_start(ssl, cert,
1227 ASYNC_OP_SIGN, md_alg,
1228 hash, hash_len);
1229 }
1230
ssl_async_decrypt(mbedtls_ssl_context * ssl,mbedtls_x509_crt * cert,const unsigned char * input,size_t input_len)1231 static int ssl_async_decrypt(mbedtls_ssl_context *ssl,
1232 mbedtls_x509_crt *cert,
1233 const unsigned char *input,
1234 size_t input_len)
1235 {
1236 return ssl_async_start(ssl, cert,
1237 ASYNC_OP_DECRYPT, MBEDTLS_MD_NONE,
1238 input, input_len);
1239 }
1240
ssl_async_resume(mbedtls_ssl_context * ssl,unsigned char * output,size_t * output_len,size_t output_size)1241 static int ssl_async_resume(mbedtls_ssl_context *ssl,
1242 unsigned char *output,
1243 size_t *output_len,
1244 size_t output_size)
1245 {
1246 ssl_async_operation_context_t *ctx = mbedtls_ssl_get_async_operation_data(ssl);
1247 ssl_async_key_context_t *config_data =
1248 mbedtls_ssl_conf_get_async_config_data(ssl->conf);
1249 ssl_async_key_slot_t *key_slot = &config_data->slots[ctx->slot];
1250 int ret;
1251 const char *op_name;
1252
1253 if (ctx->remaining_delay > 0) {
1254 --ctx->remaining_delay;
1255 mbedtls_printf("Async resume (slot %u): call %u more times.\n",
1256 ctx->slot, ctx->remaining_delay);
1257 return MBEDTLS_ERR_SSL_ASYNC_IN_PROGRESS;
1258 }
1259
1260 switch (ctx->operation_type) {
1261 case ASYNC_OP_DECRYPT:
1262 ret = mbedtls_pk_decrypt(key_slot->pk,
1263 ctx->input, ctx->input_len,
1264 output, output_len, output_size,
1265 config_data->f_rng, config_data->p_rng);
1266 break;
1267 case ASYNC_OP_SIGN:
1268 ret = mbedtls_pk_sign(key_slot->pk,
1269 ctx->md_alg,
1270 ctx->input, ctx->input_len,
1271 output, output_size, output_len,
1272 config_data->f_rng, config_data->p_rng);
1273 break;
1274 default:
1275 mbedtls_printf(
1276 "Async resume (slot %u): unknown operation type %ld. This shouldn't happen.\n",
1277 ctx->slot,
1278 (long) ctx->operation_type);
1279 mbedtls_free(ctx);
1280 return MBEDTLS_ERR_PK_FEATURE_UNAVAILABLE;
1281 break;
1282 }
1283
1284 op_name = ssl_async_operation_names[ctx->operation_type];
1285
1286 if (config_data->inject_error == SSL_ASYNC_INJECT_ERROR_RESUME) {
1287 mbedtls_printf("Async resume callback: %s done but injected error\n",
1288 op_name);
1289 mbedtls_free(ctx);
1290 return MBEDTLS_ERR_PK_FEATURE_UNAVAILABLE;
1291 }
1292
1293 mbedtls_printf("Async resume (slot %u): %s done, status=%d.\n",
1294 ctx->slot, op_name, ret);
1295 mbedtls_free(ctx);
1296 return ret;
1297 }
1298
ssl_async_cancel(mbedtls_ssl_context * ssl)1299 static void ssl_async_cancel(mbedtls_ssl_context *ssl)
1300 {
1301 ssl_async_operation_context_t *ctx = mbedtls_ssl_get_async_operation_data(ssl);
1302 mbedtls_printf("Async cancel callback.\n");
1303 mbedtls_free(ctx);
1304 }
1305 #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED */
1306 #endif /* MBEDTLS_SSL_ASYNC_PRIVATE */
1307
1308 #if defined(MBEDTLS_USE_PSA_CRYPTO)
1309 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_PSK_ENABLED)
psa_setup_psk_key_slot(mbedtls_svc_key_id_t * slot,psa_algorithm_t alg,unsigned char * psk,size_t psk_len)1310 static psa_status_t psa_setup_psk_key_slot(mbedtls_svc_key_id_t *slot,
1311 psa_algorithm_t alg,
1312 unsigned char *psk,
1313 size_t psk_len)
1314 {
1315 psa_status_t status;
1316 psa_key_attributes_t key_attributes;
1317
1318 key_attributes = psa_key_attributes_init();
1319 psa_set_key_usage_flags(&key_attributes, PSA_KEY_USAGE_DERIVE);
1320 psa_set_key_algorithm(&key_attributes, alg);
1321 psa_set_key_type(&key_attributes, PSA_KEY_TYPE_DERIVE);
1322
1323 status = psa_import_key(&key_attributes, psk, psk_len, slot);
1324 if (status != PSA_SUCCESS) {
1325 fprintf(stderr, "IMPORT\n");
1326 return status;
1327 }
1328
1329 return PSA_SUCCESS;
1330 }
1331 #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_PSK_ENABLED */
1332 #endif /* MBEDTLS_USE_PSA_CRYPTO */
1333
1334 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
report_cid_usage(mbedtls_ssl_context * ssl,const char * additional_description)1335 static int report_cid_usage(mbedtls_ssl_context *ssl,
1336 const char *additional_description)
1337 {
1338 int ret;
1339 unsigned char peer_cid[MBEDTLS_SSL_CID_OUT_LEN_MAX];
1340 size_t peer_cid_len;
1341 int cid_negotiated;
1342
1343 if (opt.transport != MBEDTLS_SSL_TRANSPORT_DATAGRAM) {
1344 return 0;
1345 }
1346
1347 /* Check if the use of a CID has been negotiated */
1348 ret = mbedtls_ssl_get_peer_cid(ssl, &cid_negotiated,
1349 peer_cid, &peer_cid_len);
1350 if (ret != 0) {
1351 mbedtls_printf(" failed\n ! mbedtls_ssl_get_peer_cid returned -0x%x\n\n",
1352 (unsigned int) -ret);
1353 return ret;
1354 }
1355
1356 if (cid_negotiated == MBEDTLS_SSL_CID_DISABLED) {
1357 if (opt.cid_enabled == MBEDTLS_SSL_CID_ENABLED) {
1358 mbedtls_printf("(%s) Use of Connection ID was not offered by client.\n",
1359 additional_description);
1360 }
1361 } else {
1362 size_t idx = 0;
1363 mbedtls_printf("(%s) Use of Connection ID has been negotiated.\n",
1364 additional_description);
1365 mbedtls_printf("(%s) Peer CID (length %u Bytes): ",
1366 additional_description,
1367 (unsigned) peer_cid_len);
1368 while (idx < peer_cid_len) {
1369 mbedtls_printf("%02x ", peer_cid[idx]);
1370 idx++;
1371 }
1372 mbedtls_printf("\n");
1373 }
1374
1375 return 0;
1376 }
1377 #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
1378
1379 #if defined(MBEDTLS_SSL_SESSION_TICKETS) && defined(MBEDTLS_SSL_TICKET_C) && \
1380 defined(MBEDTLS_HAVE_TIME)
put_unaligned_uint32(void * p,uint32_t x)1381 static inline void put_unaligned_uint32(void *p, uint32_t x)
1382 {
1383 memcpy(p, &x, sizeof(x));
1384 }
1385
1386 /* Functions for session ticket tests */
dummy_ticket_write(void * p_ticket,const mbedtls_ssl_session * session,unsigned char * start,const unsigned char * end,size_t * tlen,uint32_t * ticket_lifetime)1387 static int dummy_ticket_write(void *p_ticket, const mbedtls_ssl_session *session,
1388 unsigned char *start, const unsigned char *end,
1389 size_t *tlen, uint32_t *ticket_lifetime)
1390 {
1391 int ret;
1392 unsigned char *p = start;
1393 size_t clear_len;
1394 ((void) p_ticket);
1395
1396 if (end - p < 4) {
1397 return MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL;
1398 }
1399 put_unaligned_uint32(p, 7 * 24 * 3600);
1400 *ticket_lifetime = 7 * 24 * 3600;
1401 p += 4;
1402
1403 /* Dump session state */
1404 if ((ret = mbedtls_ssl_session_save(session, p, end - p,
1405 &clear_len)) != 0) {
1406 return ret;
1407 }
1408
1409 *tlen = 4 + clear_len;
1410
1411 return 0;
1412 }
1413
dummy_ticket_parse(void * p_ticket,mbedtls_ssl_session * session,unsigned char * buf,size_t len)1414 static int dummy_ticket_parse(void *p_ticket, mbedtls_ssl_session *session,
1415 unsigned char *buf, size_t len)
1416 {
1417 int ret;
1418 ((void) p_ticket);
1419
1420 if ((ret = mbedtls_ssl_session_load(session, buf + 4, len - 4)) != 0) {
1421 return ret;
1422 }
1423
1424 switch (opt.dummy_ticket % 11) {
1425 case 1:
1426 return MBEDTLS_ERR_SSL_INVALID_MAC;
1427 case 2:
1428 return MBEDTLS_ERR_SSL_SESSION_TICKET_EXPIRED;
1429 case 3:
1430 /* Creation time in the future. */
1431 session->ticket_creation_time = mbedtls_ms_time() + 1000;
1432 break;
1433 case 4:
1434 /* Ticket has reached the end of lifetime. */
1435 session->ticket_creation_time = mbedtls_ms_time() -
1436 (7 * 24 * 3600 * 1000 + 1000);
1437 break;
1438 #if defined(MBEDTLS_SSL_PROTO_TLS1_3)
1439 case 5:
1440 /* Ticket is valid, but client age is below the lower bound of the tolerance window. */
1441 session->ticket_age_add += MBEDTLS_SSL_TLS1_3_TICKET_AGE_TOLERANCE + 4 * 1000;
1442 /* Make sure the execution time does not affect the result */
1443 session->ticket_creation_time = mbedtls_ms_time();
1444 break;
1445
1446 case 6:
1447 /* Ticket is valid, but client age is beyond the upper bound of the tolerance window. */
1448 session->ticket_age_add -= MBEDTLS_SSL_TLS1_3_TICKET_AGE_TOLERANCE + 4 * 1000;
1449 /* Make sure the execution time does not affect the result */
1450 session->ticket_creation_time = mbedtls_ms_time();
1451 break;
1452 case 7:
1453 session->ticket_flags = MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_NONE;
1454 break;
1455 case 8:
1456 session->ticket_flags = MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK;
1457 break;
1458 case 9:
1459 session->ticket_flags = MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK_EPHEMERAL;
1460 break;
1461 case 10:
1462 session->ticket_flags = MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK_ALL;
1463 break;
1464 #endif
1465 default:
1466 break;
1467 }
1468
1469 return ret;
1470 }
1471 #endif /* MBEDTLS_SSL_SESSION_TICKETS && MBEDTLS_SSL_TICKET_C && MBEDTLS_HAVE_TIME */
1472
parse_cipher(char * buf)1473 static int parse_cipher(char *buf)
1474 {
1475 if (strcmp(buf, "AES-128-CCM")) {
1476 return MBEDTLS_CIPHER_AES_128_CCM;
1477 } else if (strcmp(buf, "AES-128-GCM")) {
1478 return MBEDTLS_CIPHER_AES_128_GCM;
1479 } else if (strcmp(buf, "AES-192-CCM")) {
1480 return MBEDTLS_CIPHER_AES_192_CCM;
1481 } else if (strcmp(buf, "AES-192-GCM")) {
1482 return MBEDTLS_CIPHER_AES_192_GCM;
1483 } else if (strcmp(buf, "AES-256-CCM")) {
1484 return MBEDTLS_CIPHER_AES_256_CCM;
1485 } else if (strcmp(buf, "ARIA-128-CCM")) {
1486 return MBEDTLS_CIPHER_ARIA_128_CCM;
1487 } else if (strcmp(buf, "ARIA-128-GCM")) {
1488 return MBEDTLS_CIPHER_ARIA_128_GCM;
1489 } else if (strcmp(buf, "ARIA-192-CCM")) {
1490 return MBEDTLS_CIPHER_ARIA_192_CCM;
1491 } else if (strcmp(buf, "ARIA-192-GCM")) {
1492 return MBEDTLS_CIPHER_ARIA_192_GCM;
1493 } else if (strcmp(buf, "ARIA-256-CCM")) {
1494 return MBEDTLS_CIPHER_ARIA_256_CCM;
1495 } else if (strcmp(buf, "ARIA-256-GCM")) {
1496 return MBEDTLS_CIPHER_ARIA_256_GCM;
1497 } else if (strcmp(buf, "CAMELLIA-128-CCM")) {
1498 return MBEDTLS_CIPHER_CAMELLIA_128_CCM;
1499 } else if (strcmp(buf, "CAMELLIA-192-CCM")) {
1500 return MBEDTLS_CIPHER_CAMELLIA_192_CCM;
1501 } else if (strcmp(buf, "CAMELLIA-256-CCM")) {
1502 return MBEDTLS_CIPHER_CAMELLIA_256_CCM;
1503 } else if (strcmp(buf, "CHACHA20-POLY1305")) {
1504 return MBEDTLS_CIPHER_CHACHA20_POLY1305;
1505 }
1506 return MBEDTLS_CIPHER_NONE;
1507 }
1508
main(int argc,char * argv[])1509 int main(int argc, char *argv[])
1510 {
1511 int ret = 0, len, written, frags, exchanges_left;
1512 int query_config_ret = 0;
1513 io_ctx_t io_ctx;
1514 unsigned char *buf = 0;
1515 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_PSK_ENABLED)
1516 #if defined(MBEDTLS_USE_PSA_CRYPTO)
1517 psa_algorithm_t alg = 0;
1518 mbedtls_svc_key_id_t psk_slot = MBEDTLS_SVC_KEY_ID_INIT;
1519 #endif /* MBEDTLS_USE_PSA_CRYPTO */
1520 unsigned char psk[MBEDTLS_PSK_MAX_LEN];
1521 size_t psk_len = 0;
1522 psk_entry *psk_info = NULL;
1523 #endif
1524 const char *pers = "ssl_server2";
1525 unsigned char client_ip[16] = { 0 };
1526 size_t cliip_len;
1527 #if defined(MBEDTLS_SSL_COOKIE_C)
1528 mbedtls_ssl_cookie_ctx cookie_ctx;
1529 #endif
1530
1531 mbedtls_ssl_context ssl;
1532 mbedtls_ssl_config conf;
1533 #if defined(MBEDTLS_TIMING_C)
1534 mbedtls_timing_delay_context timer;
1535 #endif
1536 #if defined(MBEDTLS_SSL_RENEGOTIATION)
1537 unsigned char renego_period[8] = { 0 };
1538 #endif
1539 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED)
1540 uint32_t flags;
1541 mbedtls_x509_crt cacert;
1542 mbedtls_x509_crt srvcert;
1543 mbedtls_pk_context pkey;
1544 mbedtls_x509_crt srvcert2;
1545 mbedtls_pk_context pkey2;
1546 mbedtls_x509_crt_profile crt_profile_for_test = mbedtls_x509_crt_profile_default;
1547 #if defined(MBEDTLS_USE_PSA_CRYPTO)
1548 mbedtls_svc_key_id_t key_slot = MBEDTLS_SVC_KEY_ID_INIT; /* invalid key slot */
1549 mbedtls_svc_key_id_t key_slot2 = MBEDTLS_SVC_KEY_ID_INIT; /* invalid key slot */
1550 #endif
1551 int key_cert_init = 0, key_cert_init2 = 0;
1552 #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED */
1553 #if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
1554 ssl_async_key_context_t ssl_async_keys;
1555 #endif /* MBEDTLS_SSL_ASYNC_PRIVATE */
1556 #if defined(MBEDTLS_DHM_C) && defined(MBEDTLS_FS_IO)
1557 mbedtls_dhm_context dhm;
1558 #endif
1559 #if defined(MBEDTLS_SSL_CACHE_C)
1560 mbedtls_ssl_cache_context cache;
1561 #endif
1562 #if defined(MBEDTLS_SSL_SESSION_TICKETS) && defined(MBEDTLS_SSL_TICKET_C)
1563 mbedtls_ssl_ticket_context ticket_ctx;
1564 #endif /* MBEDTLS_SSL_SESSION_TICKETS && MBEDTLS_SSL_TICKET_C */
1565 #if defined(SNI_OPTION)
1566 sni_entry *sni_info = NULL;
1567 #endif
1568 uint16_t group_list[GROUP_LIST_SIZE];
1569 #if defined(MBEDTLS_SSL_ALPN)
1570 const char *alpn_list[ALPN_LIST_SIZE];
1571 #endif
1572 #if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
1573 unsigned char alloc_buf[MEMORY_HEAP_SIZE];
1574 #endif
1575 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
1576 unsigned char cid[MBEDTLS_SSL_CID_IN_LEN_MAX];
1577 unsigned char cid_renego[MBEDTLS_SSL_CID_IN_LEN_MAX];
1578 size_t cid_len = 0;
1579 size_t cid_renego_len = 0;
1580 #endif
1581 #if defined(MBEDTLS_SSL_CONTEXT_SERIALIZATION)
1582 unsigned char *context_buf = NULL;
1583 size_t context_buf_len = 0;
1584 #endif
1585 #if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED) && \
1586 defined(MBEDTLS_USE_PSA_CRYPTO)
1587 mbedtls_svc_key_id_t ecjpake_pw_slot = MBEDTLS_SVC_KEY_ID_INIT; /* ecjpake password key slot */
1588 #endif /* MBEDTLS_USE_PSA_CRYPTO && MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED */
1589
1590 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED)
1591 uint16_t sig_alg_list[SIG_ALG_LIST_SIZE];
1592 #endif
1593
1594 int i;
1595 char *p, *q;
1596 const int *list;
1597 #if defined(MBEDTLS_USE_PSA_CRYPTO)
1598 psa_status_t status;
1599 #endif
1600 unsigned char eap_tls_keymaterial[16];
1601 unsigned char eap_tls_iv[8];
1602 const char *eap_tls_label = "client EAP encryption";
1603 eap_tls_keys eap_tls_keying;
1604 #if defined(MBEDTLS_SSL_DTLS_SRTP)
1605 /*! master keys and master salt for SRTP generated during handshake */
1606 unsigned char dtls_srtp_key_material[MBEDTLS_TLS_SRTP_MAX_KEY_MATERIAL_LENGTH];
1607 const char *dtls_srtp_label = "EXTRACTOR-dtls_srtp";
1608 dtls_srtp_keys dtls_srtp_keying;
1609 const mbedtls_ssl_srtp_profile default_profiles[] = {
1610 MBEDTLS_TLS_SRTP_AES128_CM_HMAC_SHA1_80,
1611 MBEDTLS_TLS_SRTP_AES128_CM_HMAC_SHA1_32,
1612 MBEDTLS_TLS_SRTP_NULL_HMAC_SHA1_80,
1613 MBEDTLS_TLS_SRTP_NULL_HMAC_SHA1_32,
1614 MBEDTLS_TLS_SRTP_UNSET
1615 };
1616 #endif /* MBEDTLS_SSL_DTLS_SRTP */
1617
1618 #if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
1619 mbedtls_memory_buffer_alloc_init(alloc_buf, sizeof(alloc_buf));
1620 #if defined(MBEDTLS_MEMORY_DEBUG)
1621 size_t current_heap_memory, peak_heap_memory, heap_blocks;
1622 #endif /* MBEDTLS_MEMORY_DEBUG */
1623 #endif /* MBEDTLS_MEMORY_BUFFER_ALLOC_C */
1624
1625 #if defined(MBEDTLS_TEST_HOOKS)
1626 test_hooks_init();
1627 #endif /* MBEDTLS_TEST_HOOKS */
1628
1629 /*
1630 * Make sure memory references are valid in case we exit early.
1631 */
1632 mbedtls_net_init(&client_fd);
1633 mbedtls_net_init(&listen_fd);
1634 mbedtls_ssl_init(&ssl);
1635 mbedtls_ssl_config_init(&conf);
1636 rng_init(&rng);
1637 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED)
1638 mbedtls_x509_crt_init(&cacert);
1639 mbedtls_x509_crt_init(&srvcert);
1640 mbedtls_pk_init(&pkey);
1641 mbedtls_x509_crt_init(&srvcert2);
1642 mbedtls_pk_init(&pkey2);
1643 #endif
1644 #if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
1645 memset(&ssl_async_keys, 0, sizeof(ssl_async_keys));
1646 #endif
1647 #if defined(MBEDTLS_DHM_C) && defined(MBEDTLS_FS_IO)
1648 mbedtls_dhm_init(&dhm);
1649 #endif
1650 #if defined(MBEDTLS_SSL_CACHE_C)
1651 mbedtls_ssl_cache_init(&cache);
1652 #endif
1653 #if defined(MBEDTLS_SSL_SESSION_TICKETS) && defined(MBEDTLS_SSL_TICKET_C)
1654 mbedtls_ssl_ticket_init(&ticket_ctx);
1655 #endif
1656 #if defined(MBEDTLS_SSL_ALPN)
1657 memset((void *) alpn_list, 0, sizeof(alpn_list));
1658 #endif
1659 #if defined(MBEDTLS_SSL_COOKIE_C)
1660 mbedtls_ssl_cookie_init(&cookie_ctx);
1661 #endif
1662
1663 /* For builds with TLS 1.3 enabled but not MBEDTLS_USE_PSA_CRYPTO,
1664 * we deliberately do not call psa_crypto_init() here, to test that
1665 * the library is backward-compatible with versions prior to 3.6.0
1666 * where calling psa_crypto_init() was not required to open a TLS
1667 * connection in the default configuration. See
1668 * https://github.com/Mbed-TLS/mbedtls/issues/9072 and
1669 * mbedtls_ssl_tls13_crypto_init().
1670 */
1671 #if defined(MBEDTLS_USE_PSA_CRYPTO)
1672 status = psa_crypto_init();
1673 if (status != PSA_SUCCESS) {
1674 mbedtls_fprintf(stderr, "Failed to initialize PSA Crypto implementation: %d\n",
1675 (int) status);
1676 ret = MBEDTLS_ERR_SSL_HW_ACCEL_FAILED;
1677 goto exit;
1678 }
1679 #endif /* MBEDTLS_USE_PSA_CRYPTO */
1680 #if defined(MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG)
1681 mbedtls_test_enable_insecure_external_rng();
1682 #endif /* MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG */
1683
1684 #if !defined(_WIN32)
1685 /* Abort cleanly on SIGTERM and SIGINT */
1686 signal(SIGTERM, term_handler);
1687 signal(SIGINT, term_handler);
1688 #endif
1689
1690 opt.buffer_size = DFL_IO_BUF_LEN;
1691 opt.server_addr = DFL_SERVER_ADDR;
1692 opt.server_port = DFL_SERVER_PORT;
1693 opt.debug_level = DFL_DEBUG_LEVEL;
1694 opt.event = DFL_EVENT;
1695 opt.response_size = DFL_RESPONSE_SIZE;
1696 opt.nbio = DFL_NBIO;
1697 opt.cid_enabled = DFL_CID_ENABLED;
1698 opt.cid_enabled_renego = DFL_CID_ENABLED_RENEGO;
1699 opt.cid_val = DFL_CID_VALUE;
1700 opt.cid_val_renego = DFL_CID_VALUE_RENEGO;
1701 opt.read_timeout = DFL_READ_TIMEOUT;
1702 opt.ca_file = DFL_CA_FILE;
1703 opt.ca_path = DFL_CA_PATH;
1704 opt.crt_file = DFL_CRT_FILE;
1705 opt.key_file = DFL_KEY_FILE;
1706 opt.key_opaque = DFL_KEY_OPAQUE;
1707 opt.key_pwd = DFL_KEY_PWD;
1708 opt.crt_file2 = DFL_CRT_FILE2;
1709 opt.key_file2 = DFL_KEY_FILE2;
1710 opt.key_pwd2 = DFL_KEY_PWD2;
1711 opt.async_operations = DFL_ASYNC_OPERATIONS;
1712 opt.async_private_delay1 = DFL_ASYNC_PRIVATE_DELAY1;
1713 opt.async_private_delay2 = DFL_ASYNC_PRIVATE_DELAY2;
1714 opt.async_private_error = DFL_ASYNC_PRIVATE_ERROR;
1715 opt.psk = DFL_PSK;
1716 #if defined(MBEDTLS_USE_PSA_CRYPTO)
1717 opt.psk_opaque = DFL_PSK_OPAQUE;
1718 opt.psk_list_opaque = DFL_PSK_LIST_OPAQUE;
1719 #endif
1720 #if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK)
1721 opt.ca_callback = DFL_CA_CALLBACK;
1722 #endif
1723 opt.psk_identity = DFL_PSK_IDENTITY;
1724 opt.psk_list = DFL_PSK_LIST;
1725 opt.ecjpake_pw = DFL_ECJPAKE_PW;
1726 #if defined(MBEDTLS_USE_PSA_CRYPTO)
1727 opt.ecjpake_pw_opaque = DFL_ECJPAKE_PW_OPAQUE;
1728 #endif
1729 opt.force_ciphersuite[0] = DFL_FORCE_CIPHER;
1730 #if defined(MBEDTLS_SSL_PROTO_TLS1_3)
1731 opt.tls13_kex_modes = DFL_TLS1_3_KEX_MODES;
1732 #endif /* MBEDTLS_SSL_PROTO_TLS1_3 */
1733 opt.renegotiation = DFL_RENEGOTIATION;
1734 opt.allow_legacy = DFL_ALLOW_LEGACY;
1735 opt.renegotiate = DFL_RENEGOTIATE;
1736 opt.renego_delay = DFL_RENEGO_DELAY;
1737 opt.renego_period = DFL_RENEGO_PERIOD;
1738 opt.exchanges = DFL_EXCHANGES;
1739 opt.min_version = DFL_MIN_VERSION;
1740 opt.max_version = DFL_MAX_VERSION;
1741 opt.allow_sha1 = DFL_SHA1;
1742 opt.auth_mode = DFL_AUTH_MODE;
1743 opt.cert_req_ca_list = DFL_CERT_REQ_CA_LIST;
1744 opt.cert_req_dn_hint = DFL_CERT_REQ_DN_HINT;
1745 opt.mfl_code = DFL_MFL_CODE;
1746 opt.trunc_hmac = DFL_TRUNC_HMAC;
1747 opt.tickets = DFL_TICKETS;
1748 opt.dummy_ticket = DFL_DUMMY_TICKET;
1749 opt.ticket_rotate = DFL_TICKET_ROTATE;
1750 opt.ticket_timeout = DFL_TICKET_TIMEOUT;
1751 opt.ticket_aead = DFL_TICKET_AEAD;
1752 opt.cache_max = DFL_CACHE_MAX;
1753 #if defined(MBEDTLS_HAVE_TIME)
1754 opt.cache_timeout = DFL_CACHE_TIMEOUT;
1755 #endif
1756 opt.cache_remove = DFL_CACHE_REMOVE;
1757 opt.sni = DFL_SNI;
1758 opt.alpn_string = DFL_ALPN_STRING;
1759 opt.groups = DFL_GROUPS;
1760 #if defined(MBEDTLS_SSL_EARLY_DATA)
1761 opt.early_data = DFL_EARLY_DATA;
1762 opt.max_early_data_size = DFL_MAX_EARLY_DATA_SIZE;
1763 #endif
1764 opt.sig_algs = DFL_SIG_ALGS;
1765 opt.dhm_file = DFL_DHM_FILE;
1766 opt.transport = DFL_TRANSPORT;
1767 opt.cookies = DFL_COOKIES;
1768 opt.anti_replay = DFL_ANTI_REPLAY;
1769 opt.hs_to_min = DFL_HS_TO_MIN;
1770 opt.hs_to_max = DFL_HS_TO_MAX;
1771 opt.dtls_mtu = DFL_DTLS_MTU;
1772 opt.dgram_packing = DFL_DGRAM_PACKING;
1773 opt.badmac_limit = DFL_BADMAC_LIMIT;
1774 opt.extended_ms = DFL_EXTENDED_MS;
1775 opt.etm = DFL_ETM;
1776 opt.serialize = DFL_SERIALIZE;
1777 opt.context_file = DFL_CONTEXT_FILE;
1778 opt.eap_tls = DFL_EAP_TLS;
1779 opt.reproducible = DFL_REPRODUCIBLE;
1780 opt.nss_keylog = DFL_NSS_KEYLOG;
1781 opt.nss_keylog_file = DFL_NSS_KEYLOG_FILE;
1782 opt.query_config_mode = DFL_QUERY_CONFIG_MODE;
1783 opt.use_srtp = DFL_USE_SRTP;
1784 opt.force_srtp_profile = DFL_SRTP_FORCE_PROFILE;
1785 opt.support_mki = DFL_SRTP_SUPPORT_MKI;
1786 opt.key1_opaque_alg1 = DFL_KEY_OPAQUE_ALG;
1787 opt.key1_opaque_alg2 = DFL_KEY_OPAQUE_ALG;
1788 opt.key2_opaque_alg1 = DFL_KEY_OPAQUE_ALG;
1789 opt.key2_opaque_alg2 = DFL_KEY_OPAQUE_ALG;
1790
1791 p = q = NULL;
1792 if (argc < 1) {
1793 usage:
1794 if (p != NULL && q != NULL) {
1795 printf("unrecognized value for '%s': '%s'\n", p, q);
1796 } else if (p != NULL && q == NULL) {
1797 printf("unrecognized param: '%s'\n", p);
1798 }
1799
1800 mbedtls_printf("usage: ssl_client2 [param=value] [...]\n");
1801 mbedtls_printf(" ssl_client2 help[_theme]\n");
1802 mbedtls_printf("'help' lists acceptable 'param' and 'value'\n");
1803 mbedtls_printf("'help_ciphersuites' lists available ciphersuites\n");
1804 mbedtls_printf("\n");
1805
1806 if (ret == 0) {
1807 ret = 1;
1808 }
1809 goto exit;
1810 }
1811
1812 for (i = 1; i < argc; i++) {
1813 p = argv[i];
1814
1815 if (strcmp(p, "help") == 0) {
1816 mbedtls_printf(USAGE1);
1817 mbedtls_printf(USAGE2);
1818 mbedtls_printf(USAGE3);
1819 mbedtls_printf(USAGE4);
1820
1821 ret = 0;
1822 goto exit;
1823 }
1824 if (strcmp(p, "help_ciphersuites") == 0) {
1825 mbedtls_printf(" acceptable ciphersuite names:\n");
1826 for (list = mbedtls_ssl_list_ciphersuites();
1827 *list != 0;
1828 list++) {
1829 mbedtls_printf(" %s\n", mbedtls_ssl_get_ciphersuite_name(*list));
1830 }
1831
1832 ret = 0;
1833 goto exit;
1834 }
1835
1836 if ((q = strchr(p, '=')) == NULL) {
1837 mbedtls_printf("param requires a value: '%s'\n", p);
1838 p = NULL; // avoid "unrecnognized param" message
1839 goto usage;
1840 }
1841 *q++ = '\0';
1842
1843 if (strcmp(p, "server_port") == 0) {
1844 opt.server_port = q;
1845 } else if (strcmp(p, "server_addr") == 0) {
1846 opt.server_addr = q;
1847 } else if (strcmp(p, "dtls") == 0) {
1848 int t = atoi(q);
1849 if (t == 0) {
1850 opt.transport = MBEDTLS_SSL_TRANSPORT_STREAM;
1851 } else if (t == 1) {
1852 opt.transport = MBEDTLS_SSL_TRANSPORT_DATAGRAM;
1853 } else {
1854 goto usage;
1855 }
1856 } else if (strcmp(p, "debug_level") == 0) {
1857 opt.debug_level = atoi(q);
1858 if (opt.debug_level < 0 || opt.debug_level > 65535) {
1859 goto usage;
1860 }
1861 } else if (strcmp(p, "build_version") == 0) {
1862 if (strcmp(q, "1") == 0) {
1863 mbedtls_printf("build version: %s (build %d)\n",
1864 MBEDTLS_VERSION_STRING_FULL,
1865 MBEDTLS_VERSION_NUMBER);
1866 goto exit;
1867 }
1868 } else if (strcmp(p, "nbio") == 0) {
1869 opt.nbio = atoi(q);
1870 if (opt.nbio < 0 || opt.nbio > 2) {
1871 goto usage;
1872 }
1873 } else if (strcmp(p, "event") == 0) {
1874 opt.event = atoi(q);
1875 if (opt.event < 0 || opt.event > 2) {
1876 goto usage;
1877 }
1878 } else if (strcmp(p, "read_timeout") == 0) {
1879 opt.read_timeout = atoi(q);
1880 } else if (strcmp(p, "buffer_size") == 0) {
1881 opt.buffer_size = atoi(q);
1882 if (opt.buffer_size < 1) {
1883 goto usage;
1884 }
1885 } else if (strcmp(p, "response_size") == 0) {
1886 opt.response_size = atoi(q);
1887 if (opt.response_size < 0 || opt.response_size > MBEDTLS_SSL_OUT_CONTENT_LEN) {
1888 goto usage;
1889 }
1890 if (opt.buffer_size < opt.response_size) {
1891 opt.buffer_size = opt.response_size;
1892 }
1893 } else if (strcmp(p, "ca_file") == 0) {
1894 opt.ca_file = q;
1895 } else if (strcmp(p, "ca_path") == 0) {
1896 opt.ca_path = q;
1897 } else if (strcmp(p, "crt_file") == 0) {
1898 opt.crt_file = q;
1899 } else if (strcmp(p, "key_file") == 0) {
1900 opt.key_file = q;
1901 } else if (strcmp(p, "key_pwd") == 0) {
1902 opt.key_pwd = q;
1903 }
1904 #if defined(MBEDTLS_USE_PSA_CRYPTO) && defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED)
1905 else if (strcmp(p, "key_opaque") == 0) {
1906 opt.key_opaque = atoi(q);
1907 }
1908 #endif
1909 else if (strcmp(p, "crt_file2") == 0) {
1910 opt.crt_file2 = q;
1911 } else if (strcmp(p, "key_file2") == 0) {
1912 opt.key_file2 = q;
1913 } else if (strcmp(p, "key_pwd2") == 0) {
1914 opt.key_pwd2 = q;
1915 } else if (strcmp(p, "dhm_file") == 0) {
1916 opt.dhm_file = q;
1917 }
1918 #if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
1919 else if (strcmp(p, "async_operations") == 0) {
1920 opt.async_operations = q;
1921 } else if (strcmp(p, "async_private_delay1") == 0) {
1922 opt.async_private_delay1 = atoi(q);
1923 } else if (strcmp(p, "async_private_delay2") == 0) {
1924 opt.async_private_delay2 = atoi(q);
1925 } else if (strcmp(p, "async_private_error") == 0) {
1926 int n = atoi(q);
1927 if (n < -SSL_ASYNC_INJECT_ERROR_MAX ||
1928 n > SSL_ASYNC_INJECT_ERROR_MAX) {
1929 ret = 2;
1930 goto usage;
1931 }
1932 opt.async_private_error = n;
1933 }
1934 #endif /* MBEDTLS_SSL_ASYNC_PRIVATE */
1935 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
1936 else if (strcmp(p, "cid") == 0) {
1937 opt.cid_enabled = atoi(q);
1938 if (opt.cid_enabled != 0 && opt.cid_enabled != 1) {
1939 goto usage;
1940 }
1941 } else if (strcmp(p, "cid_renego") == 0) {
1942 opt.cid_enabled_renego = atoi(q);
1943 if (opt.cid_enabled_renego != 0 && opt.cid_enabled_renego != 1) {
1944 goto usage;
1945 }
1946 } else if (strcmp(p, "cid_val") == 0) {
1947 opt.cid_val = q;
1948 } else if (strcmp(p, "cid_val_renego") == 0) {
1949 opt.cid_val_renego = q;
1950 }
1951 #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
1952 else if (strcmp(p, "psk") == 0) {
1953 opt.psk = q;
1954 }
1955 #if defined(MBEDTLS_USE_PSA_CRYPTO)
1956 else if (strcmp(p, "psk_opaque") == 0) {
1957 opt.psk_opaque = atoi(q);
1958 } else if (strcmp(p, "psk_list_opaque") == 0) {
1959 opt.psk_list_opaque = atoi(q);
1960 }
1961 #endif
1962 #if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK)
1963 else if (strcmp(p, "ca_callback") == 0) {
1964 opt.ca_callback = atoi(q);
1965 }
1966 #endif
1967 else if (strcmp(p, "psk_identity") == 0) {
1968 opt.psk_identity = q;
1969 } else if (strcmp(p, "psk_list") == 0) {
1970 opt.psk_list = q;
1971 } else if (strcmp(p, "ecjpake_pw") == 0) {
1972 opt.ecjpake_pw = q;
1973 }
1974 #if defined(MBEDTLS_USE_PSA_CRYPTO)
1975 else if (strcmp(p, "ecjpake_pw_opaque") == 0) {
1976 opt.ecjpake_pw_opaque = atoi(q);
1977 }
1978 #endif
1979 else if (strcmp(p, "force_ciphersuite") == 0) {
1980 opt.force_ciphersuite[0] = mbedtls_ssl_get_ciphersuite_id(q);
1981
1982 if (opt.force_ciphersuite[0] == 0) {
1983 ret = 2;
1984 goto usage;
1985 }
1986 opt.force_ciphersuite[1] = 0;
1987 } else if (strcmp(p, "groups") == 0) {
1988 opt.groups = q;
1989 }
1990 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED)
1991 else if (strcmp(p, "sig_algs") == 0) {
1992 opt.sig_algs = q;
1993 }
1994 #endif
1995 #if defined(MBEDTLS_SSL_EARLY_DATA)
1996 else if (strcmp(p, "early_data") == 0) {
1997 switch (atoi(q)) {
1998 case 0:
1999 opt.early_data = MBEDTLS_SSL_EARLY_DATA_DISABLED;
2000 break;
2001 case 1:
2002 opt.early_data = MBEDTLS_SSL_EARLY_DATA_ENABLED;
2003 break;
2004 default: goto usage;
2005 }
2006 } else if (strcmp(p, "max_early_data_size") == 0) {
2007 opt.max_early_data_size = (uint32_t) atoll(q);
2008 }
2009 #endif /* MBEDTLS_SSL_EARLY_DATA */
2010 else if (strcmp(p, "renegotiation") == 0) {
2011 opt.renegotiation = (atoi(q)) ?
2012 MBEDTLS_SSL_RENEGOTIATION_ENABLED :
2013 MBEDTLS_SSL_RENEGOTIATION_DISABLED;
2014 } else if (strcmp(p, "allow_legacy") == 0) {
2015 switch (atoi(q)) {
2016 case -1:
2017 opt.allow_legacy = MBEDTLS_SSL_LEGACY_BREAK_HANDSHAKE;
2018 break;
2019 case 0:
2020 opt.allow_legacy = MBEDTLS_SSL_LEGACY_NO_RENEGOTIATION;
2021 break;
2022 case 1:
2023 opt.allow_legacy = MBEDTLS_SSL_LEGACY_ALLOW_RENEGOTIATION;
2024 break;
2025 default: goto usage;
2026 }
2027 } else if (strcmp(p, "renegotiate") == 0) {
2028 opt.renegotiate = atoi(q);
2029 if (opt.renegotiate < 0 || opt.renegotiate > 1) {
2030 goto usage;
2031 }
2032 } else if (strcmp(p, "renego_delay") == 0) {
2033 opt.renego_delay = atoi(q);
2034 } else if (strcmp(p, "renego_period") == 0) {
2035 #if defined(_MSC_VER)
2036 opt.renego_period = _strtoui64(q, NULL, 10);
2037 #else
2038 if (sscanf(q, "%" SCNu64, &opt.renego_period) != 1) {
2039 goto usage;
2040 }
2041 #endif /* _MSC_VER */
2042 if (opt.renego_period < 2) {
2043 goto usage;
2044 }
2045 } else if (strcmp(p, "exchanges") == 0) {
2046 opt.exchanges = atoi(q);
2047 if (opt.exchanges < 0) {
2048 goto usage;
2049 }
2050 }
2051 #if defined(MBEDTLS_SSL_PROTO_TLS1_3)
2052 else if (strcmp(p, "tls13_kex_modes") == 0) {
2053 if (strcmp(q, "psk") == 0) {
2054 opt.tls13_kex_modes = MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK;
2055 } else if (strcmp(q, "psk_ephemeral") == 0) {
2056 opt.tls13_kex_modes = MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK_EPHEMERAL;
2057 } else if (strcmp(q, "ephemeral") == 0) {
2058 opt.tls13_kex_modes = MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_EPHEMERAL;
2059 } else if (strcmp(q, "ephemeral_all") == 0) {
2060 opt.tls13_kex_modes = MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_EPHEMERAL_ALL;
2061 } else if (strcmp(q, "psk_all") == 0) {
2062 opt.tls13_kex_modes = MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK_ALL;
2063 } else if (strcmp(q, "all") == 0) {
2064 opt.tls13_kex_modes = MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_ALL;
2065 }
2066 /* The purpose of `psk_or_ephemeral` is to improve test coverage. That
2067 * is not recommended in practice.
2068 * `psk_or_ephemeral` exists in theory, we need this mode to test if
2069 * this setting work correctly. With this key exchange setting, server
2070 * should always perform `ephemeral` handshake. `psk` or `psk_ephemeral`
2071 * is not expected.
2072 */
2073 else if (strcmp(q, "psk_or_ephemeral") == 0) {
2074 opt.tls13_kex_modes = MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK |
2075 MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_EPHEMERAL;
2076 } else {
2077 goto usage;
2078 }
2079 }
2080 #endif /* MBEDTLS_SSL_PROTO_TLS1_3 */
2081
2082 else if (strcmp(p, "min_version") == 0) {
2083 if (strcmp(q, "tls12") == 0 ||
2084 strcmp(q, "dtls12") == 0) {
2085 opt.min_version = MBEDTLS_SSL_VERSION_TLS1_2;
2086 }
2087 #if defined(MBEDTLS_SSL_PROTO_TLS1_3)
2088 else if (strcmp(q, "tls13") == 0) {
2089 opt.min_version = MBEDTLS_SSL_VERSION_TLS1_3;
2090 }
2091 #endif /* MBEDTLS_SSL_PROTO_TLS1_3 */
2092 else {
2093 goto usage;
2094 }
2095 } else if (strcmp(p, "max_version") == 0) {
2096 if (strcmp(q, "tls12") == 0 ||
2097 strcmp(q, "dtls12") == 0) {
2098 opt.max_version = MBEDTLS_SSL_VERSION_TLS1_2;
2099 }
2100 #if defined(MBEDTLS_SSL_PROTO_TLS1_3)
2101 else if (strcmp(q, "tls13") == 0) {
2102 opt.max_version = MBEDTLS_SSL_VERSION_TLS1_3;
2103 }
2104 #endif /* MBEDTLS_SSL_PROTO_TLS1_3 */
2105 else {
2106 goto usage;
2107 }
2108 } else if (strcmp(p, "allow_sha1") == 0) {
2109 switch (atoi(q)) {
2110 case 0: opt.allow_sha1 = 0; break;
2111 case 1: opt.allow_sha1 = 1; break;
2112 default: goto usage;
2113 }
2114 } else if (strcmp(p, "force_version") == 0) {
2115 if (strcmp(q, "tls12") == 0) {
2116 opt.min_version = MBEDTLS_SSL_VERSION_TLS1_2;
2117 opt.max_version = MBEDTLS_SSL_VERSION_TLS1_2;
2118 } else if (strcmp(q, "dtls12") == 0) {
2119 opt.min_version = MBEDTLS_SSL_VERSION_TLS1_2;
2120 opt.max_version = MBEDTLS_SSL_VERSION_TLS1_2;
2121 opt.transport = MBEDTLS_SSL_TRANSPORT_DATAGRAM;
2122 }
2123 #if defined(MBEDTLS_SSL_PROTO_TLS1_3)
2124 else if (strcmp(q, "tls13") == 0) {
2125 opt.min_version = MBEDTLS_SSL_VERSION_TLS1_3;
2126 opt.max_version = MBEDTLS_SSL_VERSION_TLS1_3;
2127 }
2128 #endif /* MBEDTLS_SSL_PROTO_TLS1_3 */
2129 else {
2130 goto usage;
2131 }
2132 } else if (strcmp(p, "auth_mode") == 0) {
2133 if ((opt.auth_mode = get_auth_mode(q)) < 0) {
2134 goto usage;
2135 }
2136 } else if (strcmp(p, "cert_req_ca_list") == 0) {
2137 opt.cert_req_ca_list = atoi(q);
2138 if (opt.cert_req_ca_list < 0 || opt.cert_req_ca_list > 3) {
2139 goto usage;
2140 }
2141 if (opt.cert_req_ca_list > 1) {
2142 opt.cert_req_dn_hint = opt.cert_req_ca_list;
2143 opt.cert_req_ca_list = MBEDTLS_SSL_CERT_REQ_CA_LIST_ENABLED;
2144 }
2145 } else if (strcmp(p, "max_frag_len") == 0) {
2146 if (strcmp(q, "512") == 0) {
2147 opt.mfl_code = MBEDTLS_SSL_MAX_FRAG_LEN_512;
2148 } else if (strcmp(q, "1024") == 0) {
2149 opt.mfl_code = MBEDTLS_SSL_MAX_FRAG_LEN_1024;
2150 } else if (strcmp(q, "2048") == 0) {
2151 opt.mfl_code = MBEDTLS_SSL_MAX_FRAG_LEN_2048;
2152 } else if (strcmp(q, "4096") == 0) {
2153 opt.mfl_code = MBEDTLS_SSL_MAX_FRAG_LEN_4096;
2154 } else {
2155 goto usage;
2156 }
2157 } else if (strcmp(p, "alpn") == 0) {
2158 opt.alpn_string = q;
2159 } else if (strcmp(p, "trunc_hmac") == 0) {
2160 switch (atoi(q)) {
2161 case 0: opt.trunc_hmac = MBEDTLS_SSL_TRUNC_HMAC_DISABLED; break;
2162 case 1: opt.trunc_hmac = MBEDTLS_SSL_TRUNC_HMAC_ENABLED; break;
2163 default: goto usage;
2164 }
2165 } else if (strcmp(p, "extended_ms") == 0) {
2166 switch (atoi(q)) {
2167 case 0:
2168 opt.extended_ms = MBEDTLS_SSL_EXTENDED_MS_DISABLED;
2169 break;
2170 case 1:
2171 opt.extended_ms = MBEDTLS_SSL_EXTENDED_MS_ENABLED;
2172 break;
2173 default: goto usage;
2174 }
2175 } else if (strcmp(p, "etm") == 0) {
2176 switch (atoi(q)) {
2177 case 0: opt.etm = MBEDTLS_SSL_ETM_DISABLED; break;
2178 case 1: opt.etm = MBEDTLS_SSL_ETM_ENABLED; break;
2179 default: goto usage;
2180 }
2181 } else if (strcmp(p, "tickets") == 0) {
2182 opt.tickets = atoi(q);
2183 if (opt.tickets < 0) {
2184 goto usage;
2185 }
2186 } else if (strcmp(p, "dummy_ticket") == 0) {
2187 opt.dummy_ticket = atoi(q);
2188 if (opt.dummy_ticket < 0) {
2189 goto usage;
2190 }
2191 } else if (strcmp(p, "ticket_rotate") == 0) {
2192 opt.ticket_rotate = atoi(q);
2193 if (opt.ticket_rotate < 0 || opt.ticket_rotate > 1) {
2194 goto usage;
2195 }
2196 } else if (strcmp(p, "ticket_timeout") == 0) {
2197 opt.ticket_timeout = atoi(q);
2198 if (opt.ticket_timeout < 0) {
2199 goto usage;
2200 }
2201 } else if (strcmp(p, "ticket_aead") == 0) {
2202 opt.ticket_aead = parse_cipher(q);
2203
2204 if (opt.ticket_aead == MBEDTLS_CIPHER_NONE) {
2205 goto usage;
2206 }
2207 } else if (strcmp(p, "cache_max") == 0) {
2208 opt.cache_max = atoi(q);
2209 if (opt.cache_max < 0) {
2210 goto usage;
2211 }
2212 }
2213 #if defined(MBEDTLS_HAVE_TIME)
2214 else if (strcmp(p, "cache_timeout") == 0) {
2215 opt.cache_timeout = atoi(q);
2216 if (opt.cache_timeout < 0) {
2217 goto usage;
2218 }
2219 }
2220 #endif
2221 else if (strcmp(p, "cache_remove") == 0) {
2222 opt.cache_remove = atoi(q);
2223 if (opt.cache_remove < 0 || opt.cache_remove > 1) {
2224 goto usage;
2225 }
2226 } else if (strcmp(p, "cookies") == 0) {
2227 opt.cookies = atoi(q);
2228 if (opt.cookies < -1 || opt.cookies > 1) {
2229 goto usage;
2230 }
2231 } else if (strcmp(p, "anti_replay") == 0) {
2232 opt.anti_replay = atoi(q);
2233 if (opt.anti_replay < 0 || opt.anti_replay > 1) {
2234 goto usage;
2235 }
2236 } else if (strcmp(p, "badmac_limit") == 0) {
2237 opt.badmac_limit = atoi(q);
2238 if (opt.badmac_limit < 0) {
2239 goto usage;
2240 }
2241 } else if (strcmp(p, "hs_timeout") == 0) {
2242 if ((p = strchr(q, '-')) == NULL) {
2243 goto usage;
2244 }
2245 *p++ = '\0';
2246 opt.hs_to_min = atoi(q);
2247 opt.hs_to_max = atoi(p);
2248 if (opt.hs_to_min == 0 || opt.hs_to_max < opt.hs_to_min) {
2249 goto usage;
2250 }
2251 } else if (strcmp(p, "mtu") == 0) {
2252 opt.dtls_mtu = atoi(q);
2253 if (opt.dtls_mtu < 0) {
2254 goto usage;
2255 }
2256 } else if (strcmp(p, "dgram_packing") == 0) {
2257 opt.dgram_packing = atoi(q);
2258 if (opt.dgram_packing != 0 &&
2259 opt.dgram_packing != 1) {
2260 goto usage;
2261 }
2262 } else if (strcmp(p, "sni") == 0) {
2263 opt.sni = q;
2264 } else if (strcmp(p, "query_config") == 0) {
2265 opt.query_config_mode = 1;
2266 query_config_ret = query_config(q);
2267 goto exit;
2268 } else if (strcmp(p, "serialize") == 0) {
2269 opt.serialize = atoi(q);
2270 if (opt.serialize < 0 || opt.serialize > 2) {
2271 goto usage;
2272 }
2273 } else if (strcmp(p, "context_file") == 0) {
2274 opt.context_file = q;
2275 } else if (strcmp(p, "eap_tls") == 0) {
2276 opt.eap_tls = atoi(q);
2277 if (opt.eap_tls < 0 || opt.eap_tls > 1) {
2278 goto usage;
2279 }
2280 } else if (strcmp(p, "reproducible") == 0) {
2281 opt.reproducible = 1;
2282 } else if (strcmp(p, "nss_keylog") == 0) {
2283 opt.nss_keylog = atoi(q);
2284 if (opt.nss_keylog < 0 || opt.nss_keylog > 1) {
2285 goto usage;
2286 }
2287 } else if (strcmp(p, "nss_keylog_file") == 0) {
2288 opt.nss_keylog_file = q;
2289 } else if (strcmp(p, "use_srtp") == 0) {
2290 opt.use_srtp = atoi(q);
2291 } else if (strcmp(p, "srtp_force_profile") == 0) {
2292 opt.force_srtp_profile = atoi(q);
2293 } else if (strcmp(p, "support_mki") == 0) {
2294 opt.support_mki = atoi(q);
2295 } else if (strcmp(p, "key_opaque_algs") == 0) {
2296 if (key_opaque_alg_parse(q, &opt.key1_opaque_alg1,
2297 &opt.key1_opaque_alg2) != 0) {
2298 goto usage;
2299 }
2300 } else if (strcmp(p, "key_opaque_algs2") == 0) {
2301 if (key_opaque_alg_parse(q, &opt.key2_opaque_alg1,
2302 &opt.key2_opaque_alg2) != 0) {
2303 goto usage;
2304 }
2305 } else {
2306 /* This signals that the problem is with p not q */
2307 q = NULL;
2308 goto usage;
2309 }
2310 }
2311 /* This signals that any further erorrs are not with a single option */
2312 p = q = NULL;
2313
2314 if (opt.nss_keylog != 0 && opt.eap_tls != 0) {
2315 mbedtls_printf("Error: eap_tls and nss_keylog options cannot be used together.\n");
2316 goto usage;
2317 }
2318
2319 /* Event-driven IO is incompatible with the above custom
2320 * receive and send functions, as the polling builds on
2321 * refers to the underlying net_context. */
2322 if (opt.event == 1 && opt.nbio != 1) {
2323 mbedtls_printf("Warning: event-driven IO mandates nbio=1 - overwrite\n");
2324 opt.nbio = 1;
2325 }
2326
2327 #if defined(MBEDTLS_DEBUG_C)
2328 mbedtls_debug_set_threshold(opt.debug_level);
2329 #endif
2330
2331 /* buf will alternatively contain the input read from the client and the
2332 * response that's about to be sent, plus a null byte in each case. */
2333 size_t buf_content_size = opt.buffer_size;
2334 /* The default response contains the ciphersuite name. Leave enough
2335 * room for that plus some margin. */
2336 if (buf_content_size < strlen(HTTP_RESPONSE) + 80) {
2337 buf_content_size = strlen(HTTP_RESPONSE) + 80;
2338 }
2339 if (opt.response_size != DFL_RESPONSE_SIZE &&
2340 buf_content_size < (size_t) opt.response_size) {
2341 buf_content_size = opt.response_size;
2342 }
2343 buf = mbedtls_calloc(1, buf_content_size + 1);
2344 if (buf == NULL) {
2345 mbedtls_printf("Could not allocate %lu bytes\n",
2346 (unsigned long) buf_content_size + 1);
2347 ret = 3;
2348 goto exit;
2349 }
2350
2351 #if defined(MBEDTLS_USE_PSA_CRYPTO)
2352 if (opt.psk_opaque != 0) {
2353 if (strlen(opt.psk) == 0) {
2354 mbedtls_printf("psk_opaque set but no psk to be imported specified.\n");
2355 ret = 2;
2356 goto usage;
2357 }
2358
2359 if (opt.force_ciphersuite[0] <= 0) {
2360 mbedtls_printf(
2361 "opaque PSKs are only supported in conjunction with forcing TLS 1.2 and a PSK-only ciphersuite through the 'force_ciphersuite' option.\n");
2362 ret = 2;
2363 goto usage;
2364 }
2365 }
2366
2367 if (opt.psk_list_opaque != 0) {
2368 if (opt.psk_list == NULL) {
2369 mbedtls_printf("psk_slot set but no psk to be imported specified.\n");
2370 ret = 2;
2371 goto usage;
2372 }
2373
2374 if (opt.force_ciphersuite[0] <= 0) {
2375 mbedtls_printf(
2376 "opaque PSKs are only supported in conjunction with forcing TLS 1.2 and a PSK-only ciphersuite through the 'force_ciphersuite' option.\n");
2377 ret = 2;
2378 goto usage;
2379 }
2380 }
2381 #endif /* MBEDTLS_USE_PSA_CRYPTO */
2382
2383 if (opt.force_ciphersuite[0] > 0) {
2384 const mbedtls_ssl_ciphersuite_t *ciphersuite_info;
2385 ciphersuite_info =
2386 mbedtls_ssl_ciphersuite_from_id(opt.force_ciphersuite[0]);
2387
2388 if (opt.max_version != -1 &&
2389 ciphersuite_info->min_tls_version > opt.max_version) {
2390 mbedtls_printf("forced ciphersuite not allowed with this protocol version\n");
2391 ret = 2;
2392 goto usage;
2393 }
2394 if (opt.min_version != -1 &&
2395 ciphersuite_info->max_tls_version < opt.min_version) {
2396 mbedtls_printf("forced ciphersuite not allowed with this protocol version\n");
2397 ret = 2;
2398 goto usage;
2399 }
2400
2401 /* If we select a version that's not supported by
2402 * this suite, then there will be no common ciphersuite... */
2403 if (opt.max_version == -1 ||
2404 opt.max_version > ciphersuite_info->max_tls_version) {
2405 opt.max_version = ciphersuite_info->max_tls_version;
2406 }
2407 if (opt.min_version < ciphersuite_info->min_tls_version) {
2408 opt.min_version = ciphersuite_info->min_tls_version;
2409 }
2410
2411 #if defined(MBEDTLS_USE_PSA_CRYPTO)
2412 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_PSK_ENABLED)
2413 if (opt.psk_opaque != 0 || opt.psk_list_opaque != 0) {
2414 /* Determine KDF algorithm the opaque PSK will be used in. */
2415 #if defined(MBEDTLS_MD_CAN_SHA384)
2416 if (ciphersuite_info->mac == MBEDTLS_MD_SHA384) {
2417 alg = PSA_ALG_TLS12_PSK_TO_MS(PSA_ALG_SHA_384);
2418 } else
2419 #endif /* MBEDTLS_MD_CAN_SHA384 */
2420 alg = PSA_ALG_TLS12_PSK_TO_MS(PSA_ALG_SHA_256);
2421 }
2422 #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_PSK_ENABLED */
2423 #endif /* MBEDTLS_USE_PSA_CRYPTO */
2424 }
2425
2426 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
2427 if (mbedtls_test_unhexify(cid, sizeof(cid),
2428 opt.cid_val, &cid_len) != 0) {
2429 mbedtls_printf("CID not valid hex\n");
2430 goto exit;
2431 }
2432
2433 /* Keep CID settings for renegotiation unless
2434 * specified otherwise. */
2435 if (opt.cid_enabled_renego == DFL_CID_ENABLED_RENEGO) {
2436 opt.cid_enabled_renego = opt.cid_enabled;
2437 }
2438 if (opt.cid_val_renego == DFL_CID_VALUE_RENEGO) {
2439 opt.cid_val_renego = opt.cid_val;
2440 }
2441
2442 if (mbedtls_test_unhexify(cid_renego, sizeof(cid_renego),
2443 opt.cid_val_renego, &cid_renego_len) != 0) {
2444 mbedtls_printf("CID not valid hex\n");
2445 goto exit;
2446 }
2447 #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
2448
2449 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_PSK_ENABLED)
2450 /*
2451 * Unhexify the pre-shared key and parse the list if any given
2452 */
2453 if (mbedtls_test_unhexify(psk, sizeof(psk),
2454 opt.psk, &psk_len) != 0) {
2455 mbedtls_printf("pre-shared key not valid hex\n");
2456 goto exit;
2457 }
2458
2459 if (opt.psk_list != NULL) {
2460 if ((psk_info = psk_parse(opt.psk_list)) == NULL) {
2461 mbedtls_printf("psk_list invalid");
2462 goto exit;
2463 }
2464 }
2465 #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_PSK_ENABLED */
2466
2467 if (opt.groups != NULL) {
2468 if (parse_groups(opt.groups, group_list, GROUP_LIST_SIZE) != 0) {
2469 goto exit;
2470 }
2471 }
2472
2473 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED)
2474 if (opt.sig_algs != NULL) {
2475 p = (char *) opt.sig_algs;
2476 i = 0;
2477
2478 /* Leave room for a final MBEDTLS_TLS1_3_SIG_NONE in signature algorithm list (sig_alg_list). */
2479 while (i < SIG_ALG_LIST_SIZE - 1 && *p != '\0') {
2480 q = p;
2481
2482 /* Terminate the current string */
2483 while (*p != ',' && *p != '\0') {
2484 p++;
2485 }
2486 if (*p == ',') {
2487 *p++ = '\0';
2488 }
2489
2490 if (strcmp(q, "rsa_pkcs1_sha256") == 0) {
2491 sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_RSA_PKCS1_SHA256;
2492 } else if (strcmp(q, "rsa_pkcs1_sha384") == 0) {
2493 sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_RSA_PKCS1_SHA384;
2494 } else if (strcmp(q, "rsa_pkcs1_sha512") == 0) {
2495 sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_RSA_PKCS1_SHA512;
2496 } else if (strcmp(q, "ecdsa_secp256r1_sha256") == 0) {
2497 sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_ECDSA_SECP256R1_SHA256;
2498 } else if (strcmp(q, "ecdsa_secp384r1_sha384") == 0) {
2499 sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_ECDSA_SECP384R1_SHA384;
2500 } else if (strcmp(q, "ecdsa_secp521r1_sha512") == 0) {
2501 sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_ECDSA_SECP521R1_SHA512;
2502 } else if (strcmp(q, "rsa_pss_rsae_sha256") == 0) {
2503 sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_RSA_PSS_RSAE_SHA256;
2504 } else if (strcmp(q, "rsa_pss_rsae_sha384") == 0) {
2505 sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_RSA_PSS_RSAE_SHA384;
2506 } else if (strcmp(q, "rsa_pss_rsae_sha512") == 0) {
2507 sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_RSA_PSS_RSAE_SHA512;
2508 } else if (strcmp(q, "ed25519") == 0) {
2509 sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_ED25519;
2510 } else if (strcmp(q, "ed448") == 0) {
2511 sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_ED448;
2512 } else if (strcmp(q, "rsa_pss_pss_sha256") == 0) {
2513 sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_RSA_PSS_PSS_SHA256;
2514 } else if (strcmp(q, "rsa_pss_pss_sha384") == 0) {
2515 sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_RSA_PSS_PSS_SHA384;
2516 } else if (strcmp(q, "rsa_pss_pss_sha512") == 0) {
2517 sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_RSA_PSS_PSS_SHA512;
2518 } else if (strcmp(q, "rsa_pkcs1_sha1") == 0) {
2519 sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_RSA_PKCS1_SHA1;
2520 } else if (strcmp(q, "ecdsa_sha1") == 0) {
2521 sig_alg_list[i++] = MBEDTLS_TLS1_3_SIG_ECDSA_SHA1;
2522 } else {
2523 ret = -1;
2524 mbedtls_printf("unknown signature algorithm \"%s\"\n", q);
2525 mbedtls_print_supported_sig_algs();
2526 goto exit;
2527 }
2528 }
2529
2530 if (i == (SIG_ALG_LIST_SIZE - 1) && *p != '\0') {
2531 mbedtls_printf("signature algorithm list too long, maximum %d",
2532 SIG_ALG_LIST_SIZE - 1);
2533 goto exit;
2534 }
2535
2536 sig_alg_list[i] = MBEDTLS_TLS1_3_SIG_NONE;
2537 }
2538 #endif
2539
2540 #if defined(MBEDTLS_SSL_ALPN)
2541 if (opt.alpn_string != NULL) {
2542 p = (char *) opt.alpn_string;
2543 i = 0;
2544
2545 /* Leave room for a final NULL in alpn_list */
2546 while (i < ALPN_LIST_SIZE - 1 && *p != '\0') {
2547 alpn_list[i++] = p;
2548
2549 /* Terminate the current string and move on to next one */
2550 while (*p != ',' && *p != '\0') {
2551 p++;
2552 }
2553 if (*p == ',') {
2554 *p++ = '\0';
2555 }
2556 }
2557 }
2558 #endif /* MBEDTLS_SSL_ALPN */
2559
2560 mbedtls_printf("build version: %s (build %d)\n",
2561 MBEDTLS_VERSION_STRING_FULL, MBEDTLS_VERSION_NUMBER);
2562
2563 /*
2564 * 0. Initialize the RNG and the session data
2565 */
2566 mbedtls_printf("\n . Seeding the random number generator...");
2567 fflush(stdout);
2568
2569 ret = rng_seed(&rng, opt.reproducible, pers);
2570 if (ret != 0) {
2571 goto exit;
2572 }
2573 mbedtls_printf(" ok\n");
2574
2575 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED)
2576 /*
2577 * 1.1. Load the trusted CA
2578 */
2579 mbedtls_printf(" . Loading the CA root certificate ...");
2580 fflush(stdout);
2581
2582 if (strcmp(opt.ca_path, "none") == 0 ||
2583 strcmp(opt.ca_file, "none") == 0) {
2584 ret = 0;
2585 } else
2586 #if defined(MBEDTLS_FS_IO)
2587 if (strlen(opt.ca_path)) {
2588 ret = mbedtls_x509_crt_parse_path(&cacert, opt.ca_path);
2589 } else if (strlen(opt.ca_file)) {
2590 ret = mbedtls_x509_crt_parse_file(&cacert, opt.ca_file);
2591 } else
2592 #endif
2593 {
2594 #if defined(MBEDTLS_PEM_PARSE_C)
2595 for (i = 0; mbedtls_test_cas[i] != NULL; i++) {
2596 ret = mbedtls_x509_crt_parse(&cacert,
2597 (const unsigned char *) mbedtls_test_cas[i],
2598 mbedtls_test_cas_len[i]);
2599 if (ret != 0) {
2600 break;
2601 }
2602 }
2603 #endif /* MBEDTLS_PEM_PARSE_C */
2604 if (ret == 0) {
2605 for (i = 0; mbedtls_test_cas_der[i] != NULL; i++) {
2606 ret = mbedtls_x509_crt_parse_der(&cacert,
2607 (const unsigned char *) mbedtls_test_cas_der[i],
2608 mbedtls_test_cas_der_len[i]);
2609 if (ret != 0) {
2610 break;
2611 }
2612 }
2613 }
2614 }
2615 if (ret < 0) {
2616 mbedtls_printf(" failed\n ! mbedtls_x509_crt_parse returned -0x%x\n\n",
2617 (unsigned int) -ret);
2618 goto exit;
2619 }
2620
2621 mbedtls_printf(" ok (%d skipped)\n", ret);
2622
2623 /*
2624 * 1.2. Load own certificate and private key
2625 */
2626 mbedtls_printf(" . Loading the server cert. and key...");
2627 fflush(stdout);
2628
2629 #if defined(MBEDTLS_FS_IO)
2630 if (strlen(opt.crt_file) && strcmp(opt.crt_file, "none") != 0) {
2631 key_cert_init++;
2632 if ((ret = mbedtls_x509_crt_parse_file(&srvcert, opt.crt_file)) != 0) {
2633 mbedtls_printf(" failed\n ! mbedtls_x509_crt_parse_file returned -0x%x\n\n",
2634 (unsigned int) -ret);
2635 goto exit;
2636 }
2637 }
2638 if (strlen(opt.key_file) && strcmp(opt.key_file, "none") != 0) {
2639 key_cert_init++;
2640 if ((ret = mbedtls_pk_parse_keyfile(&pkey, opt.key_file,
2641 opt.key_pwd, rng_get, &rng)) != 0) {
2642 mbedtls_printf(" failed\n ! mbedtls_pk_parse_keyfile returned -0x%x\n\n",
2643 (unsigned int) -ret);
2644 goto exit;
2645 }
2646 }
2647 if (key_cert_init == 1) {
2648 mbedtls_printf(" failed\n ! crt_file without key_file or vice-versa\n\n");
2649 goto exit;
2650 }
2651
2652 if (strlen(opt.crt_file2) && strcmp(opt.crt_file2, "none") != 0) {
2653 key_cert_init2++;
2654 if ((ret = mbedtls_x509_crt_parse_file(&srvcert2, opt.crt_file2)) != 0) {
2655 mbedtls_printf(" failed\n ! mbedtls_x509_crt_parse_file(2) returned -0x%x\n\n",
2656 (unsigned int) -ret);
2657 goto exit;
2658 }
2659 }
2660 if (strlen(opt.key_file2) && strcmp(opt.key_file2, "none") != 0) {
2661 key_cert_init2++;
2662 if ((ret = mbedtls_pk_parse_keyfile(&pkey2, opt.key_file2,
2663 opt.key_pwd2, rng_get, &rng)) != 0) {
2664 mbedtls_printf(" failed\n ! mbedtls_pk_parse_keyfile(2) returned -0x%x\n\n",
2665 (unsigned int) -ret);
2666 goto exit;
2667 }
2668 }
2669 if (key_cert_init2 == 1) {
2670 mbedtls_printf(" failed\n ! crt_file2 without key_file2 or vice-versa\n\n");
2671 goto exit;
2672 }
2673 #endif
2674 if (key_cert_init == 0 &&
2675 strcmp(opt.crt_file, "none") != 0 &&
2676 strcmp(opt.key_file, "none") != 0 &&
2677 key_cert_init2 == 0 &&
2678 strcmp(opt.crt_file2, "none") != 0 &&
2679 strcmp(opt.key_file2, "none") != 0) {
2680 #if defined(MBEDTLS_RSA_C)
2681 if ((ret = mbedtls_x509_crt_parse(&srvcert,
2682 (const unsigned char *) mbedtls_test_srv_crt_rsa,
2683 mbedtls_test_srv_crt_rsa_len)) != 0) {
2684 mbedtls_printf(" failed\n ! mbedtls_x509_crt_parse returned -0x%x\n\n",
2685 (unsigned int) -ret);
2686 goto exit;
2687 }
2688 if ((ret = mbedtls_pk_parse_key(&pkey,
2689 (const unsigned char *) mbedtls_test_srv_key_rsa,
2690 mbedtls_test_srv_key_rsa_len, NULL, 0,
2691 rng_get, &rng)) != 0) {
2692 mbedtls_printf(" failed\n ! mbedtls_pk_parse_key returned -0x%x\n\n",
2693 (unsigned int) -ret);
2694 goto exit;
2695 }
2696 key_cert_init = 2;
2697 #endif /* MBEDTLS_RSA_C */
2698 #if defined(MBEDTLS_PK_CAN_ECDSA_SOME)
2699 if ((ret = mbedtls_x509_crt_parse(&srvcert2,
2700 (const unsigned char *) mbedtls_test_srv_crt_ec,
2701 mbedtls_test_srv_crt_ec_len)) != 0) {
2702 mbedtls_printf(" failed\n ! x509_crt_parse2 returned -0x%x\n\n",
2703 (unsigned int) -ret);
2704 goto exit;
2705 }
2706 if ((ret = mbedtls_pk_parse_key(&pkey2,
2707 (const unsigned char *) mbedtls_test_srv_key_ec,
2708 mbedtls_test_srv_key_ec_len, NULL, 0,
2709 rng_get, &rng)) != 0) {
2710 mbedtls_printf(" failed\n ! pk_parse_key2 returned -0x%x\n\n",
2711 (unsigned int) -ret);
2712 goto exit;
2713 }
2714 key_cert_init2 = 2;
2715 #endif /* MBEDTLS_PK_CAN_ECDSA_SOME */
2716 }
2717
2718 #if defined(MBEDTLS_USE_PSA_CRYPTO)
2719 if (opt.key_opaque != 0) {
2720 psa_algorithm_t psa_alg, psa_alg2 = PSA_ALG_NONE;
2721 psa_key_usage_t psa_usage = 0;
2722
2723 if (key_opaque_set_alg_usage(opt.key1_opaque_alg1,
2724 opt.key1_opaque_alg2,
2725 &psa_alg, &psa_alg2,
2726 &psa_usage,
2727 mbedtls_pk_get_type(&pkey)) == 0) {
2728 ret = pk_wrap_as_opaque(&pkey, psa_alg, psa_alg2, psa_usage, &key_slot);
2729 if (ret != 0) {
2730 mbedtls_printf(" failed\n ! "
2731 "pk_wrap_as_opaque returned -0x%x\n\n",
2732 (unsigned int) -ret);
2733 goto exit;
2734 }
2735 }
2736
2737 psa_alg = PSA_ALG_NONE; psa_alg2 = PSA_ALG_NONE;
2738 psa_usage = 0;
2739
2740 if (key_opaque_set_alg_usage(opt.key2_opaque_alg1,
2741 opt.key2_opaque_alg2,
2742 &psa_alg, &psa_alg2,
2743 &psa_usage,
2744 mbedtls_pk_get_type(&pkey2)) == 0) {
2745 ret = pk_wrap_as_opaque(&pkey2, psa_alg, psa_alg2, psa_usage, &key_slot2);
2746 if (ret != 0) {
2747 mbedtls_printf(" failed\n ! "
2748 "mbedtls_pk_get_psa_attributes returned -0x%x\n\n",
2749 (unsigned int) -ret);
2750 goto exit;
2751 }
2752 }
2753 }
2754 #endif /* MBEDTLS_USE_PSA_CRYPTO */
2755
2756 mbedtls_printf(" ok (key types: %s, %s)\n",
2757 key_cert_init ? mbedtls_pk_get_name(&pkey) : "none",
2758 key_cert_init2 ? mbedtls_pk_get_name(&pkey2) : "none");
2759 #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED */
2760
2761 #if defined(MBEDTLS_DHM_C) && defined(MBEDTLS_FS_IO)
2762 if (opt.dhm_file != NULL) {
2763 mbedtls_printf(" . Loading DHM parameters...");
2764 fflush(stdout);
2765
2766 if ((ret = mbedtls_dhm_parse_dhmfile(&dhm, opt.dhm_file)) != 0) {
2767 mbedtls_printf(" failed\n ! mbedtls_dhm_parse_dhmfile returned -0x%04X\n\n",
2768 (unsigned int) -ret);
2769 goto exit;
2770 }
2771
2772 mbedtls_printf(" ok\n");
2773 }
2774 #endif
2775
2776 #if defined(SNI_OPTION)
2777 if (opt.sni != NULL) {
2778 mbedtls_printf(" . Setting up SNI information...");
2779 fflush(stdout);
2780
2781 if ((sni_info = sni_parse(opt.sni)) == NULL) {
2782 mbedtls_printf(" failed\n");
2783 goto exit;
2784 }
2785
2786 mbedtls_printf(" ok\n");
2787 }
2788 #endif /* SNI_OPTION */
2789
2790 /*
2791 * 2. Setup stuff
2792 */
2793 mbedtls_printf(" . Setting up the SSL/TLS structure...");
2794 fflush(stdout);
2795
2796 if ((ret = mbedtls_ssl_config_defaults(&conf,
2797 MBEDTLS_SSL_IS_SERVER,
2798 opt.transport,
2799 MBEDTLS_SSL_PRESET_DEFAULT)) != 0) {
2800 mbedtls_printf(" failed\n ! mbedtls_ssl_config_defaults returned -0x%x\n\n",
2801 (unsigned int) -ret);
2802 goto exit;
2803 }
2804
2805 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED)
2806 /* The default algorithms profile disables SHA-1, but our tests still
2807 rely on it heavily. Hence we allow it here. A real-world server
2808 should use the default profile unless there is a good reason not to. */
2809 if (opt.allow_sha1 > 0) {
2810 crt_profile_for_test.allowed_mds |= MBEDTLS_X509_ID_FLAG(MBEDTLS_MD_SHA1);
2811 mbedtls_ssl_conf_cert_profile(&conf, &crt_profile_for_test);
2812 mbedtls_ssl_conf_sig_algs(&conf, ssl_sig_algs_for_test);
2813 }
2814 #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED */
2815
2816 if (opt.auth_mode != DFL_AUTH_MODE) {
2817 mbedtls_ssl_conf_authmode(&conf, opt.auth_mode);
2818 }
2819
2820 if (opt.cert_req_ca_list != DFL_CERT_REQ_CA_LIST) {
2821 mbedtls_ssl_conf_cert_req_ca_list(&conf, opt.cert_req_ca_list);
2822 }
2823
2824 #if defined(MBEDTLS_SSL_EARLY_DATA)
2825 if (opt.early_data != DFL_EARLY_DATA) {
2826 mbedtls_ssl_conf_early_data(&conf, opt.early_data);
2827 }
2828 if (opt.max_early_data_size != DFL_MAX_EARLY_DATA_SIZE) {
2829 mbedtls_ssl_conf_max_early_data_size(
2830 &conf, opt.max_early_data_size);
2831 }
2832 #endif /* MBEDTLS_SSL_EARLY_DATA */
2833
2834 #if defined(MBEDTLS_KEY_EXCHANGE_CERT_REQ_ALLOWED_ENABLED)
2835 /* exercise setting DN hints for server certificate request
2836 * (Intended for use where the client cert expected has been signed by
2837 * a specific CA which is an intermediate in a CA chain, not the root) */
2838 if (opt.cert_req_dn_hint == 2 && key_cert_init2) {
2839 mbedtls_ssl_conf_dn_hints(&conf, &srvcert2);
2840 }
2841 #endif
2842
2843 #if defined(MBEDTLS_SSL_PROTO_DTLS)
2844 if (opt.hs_to_min != DFL_HS_TO_MIN || opt.hs_to_max != DFL_HS_TO_MAX) {
2845 mbedtls_ssl_conf_handshake_timeout(&conf, opt.hs_to_min, opt.hs_to_max);
2846 }
2847
2848 if (opt.dgram_packing != DFL_DGRAM_PACKING) {
2849 mbedtls_ssl_set_datagram_packing(&ssl, opt.dgram_packing);
2850 }
2851 #endif /* MBEDTLS_SSL_PROTO_DTLS */
2852
2853 #if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH)
2854 if ((ret = mbedtls_ssl_conf_max_frag_len(&conf, opt.mfl_code)) != 0) {
2855 mbedtls_printf(" failed\n ! mbedtls_ssl_conf_max_frag_len returned %d\n\n", ret);
2856 goto exit;
2857 }
2858 #endif
2859
2860 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
2861 if (opt.cid_enabled == 1 || opt.cid_enabled_renego == 1) {
2862 if (opt.cid_enabled == 1 &&
2863 opt.cid_enabled_renego == 1 &&
2864 cid_len != cid_renego_len) {
2865 mbedtls_printf("CID length must not change during renegotiation\n");
2866 goto usage;
2867 }
2868
2869 if (opt.cid_enabled == 1) {
2870 ret = mbedtls_ssl_conf_cid(&conf, cid_len,
2871 MBEDTLS_SSL_UNEXPECTED_CID_IGNORE);
2872 } else {
2873 ret = mbedtls_ssl_conf_cid(&conf, cid_renego_len,
2874 MBEDTLS_SSL_UNEXPECTED_CID_IGNORE);
2875 }
2876
2877 if (ret != 0) {
2878 mbedtls_printf(" failed\n ! mbedtls_ssl_conf_cid_len returned -%#04x\n\n",
2879 (unsigned int) -ret);
2880 goto exit;
2881 }
2882 }
2883 #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
2884
2885 #if defined(MBEDTLS_SSL_DTLS_SRTP)
2886 const mbedtls_ssl_srtp_profile forced_profile[] =
2887 { opt.force_srtp_profile, MBEDTLS_TLS_SRTP_UNSET };
2888 if (opt.use_srtp == 1) {
2889 if (opt.force_srtp_profile != 0) {
2890 ret = mbedtls_ssl_conf_dtls_srtp_protection_profiles(&conf, forced_profile);
2891 } else {
2892 ret = mbedtls_ssl_conf_dtls_srtp_protection_profiles(&conf, default_profiles);
2893 }
2894
2895 if (ret != 0) {
2896 mbedtls_printf(
2897 " failed\n ! mbedtls_ssl_conf_dtls_srtp_protection_profiles returned %d\n\n",
2898 ret);
2899 goto exit;
2900 }
2901
2902 mbedtls_ssl_conf_srtp_mki_value_supported(&conf,
2903 opt.support_mki ?
2904 MBEDTLS_SSL_DTLS_SRTP_MKI_SUPPORTED :
2905 MBEDTLS_SSL_DTLS_SRTP_MKI_UNSUPPORTED);
2906
2907 } else if (opt.force_srtp_profile != 0) {
2908 mbedtls_printf(" failed\n ! must enable use_srtp to force srtp profile\n\n");
2909 goto exit;
2910 }
2911 #endif /* MBEDTLS_SSL_DTLS_SRTP */
2912
2913 #if defined(MBEDTLS_SSL_EXTENDED_MASTER_SECRET)
2914 if (opt.extended_ms != DFL_EXTENDED_MS) {
2915 mbedtls_ssl_conf_extended_master_secret(&conf, opt.extended_ms);
2916 }
2917 #endif
2918
2919 #if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC)
2920 if (opt.etm != DFL_ETM) {
2921 mbedtls_ssl_conf_encrypt_then_mac(&conf, opt.etm);
2922 }
2923 #endif
2924
2925 #if defined(MBEDTLS_SSL_ALPN)
2926 if (opt.alpn_string != NULL) {
2927 if ((ret = mbedtls_ssl_conf_alpn_protocols(&conf, alpn_list)) != 0) {
2928 mbedtls_printf(" failed\n ! mbedtls_ssl_conf_alpn_protocols returned %d\n\n", ret);
2929 goto exit;
2930 }
2931 }
2932 #endif
2933
2934 if (opt.reproducible) {
2935 #if defined(MBEDTLS_HAVE_TIME)
2936 #if defined(MBEDTLS_PLATFORM_TIME_ALT)
2937 mbedtls_platform_set_time(dummy_constant_time);
2938 #else
2939 fprintf(stderr, "Warning: reproducible option used without constant time\n");
2940 #endif
2941 #endif /* MBEDTLS_HAVE_TIME */
2942 }
2943 mbedtls_ssl_conf_rng(&conf, rng_get, &rng);
2944 mbedtls_ssl_conf_dbg(&conf, my_debug, stdout);
2945
2946 #if defined(MBEDTLS_SSL_CACHE_C)
2947 if (opt.cache_max != -1) {
2948 mbedtls_ssl_cache_set_max_entries(&cache, opt.cache_max);
2949 }
2950
2951 #if defined(MBEDTLS_HAVE_TIME)
2952 if (opt.cache_timeout != -1) {
2953 mbedtls_ssl_cache_set_timeout(&cache, opt.cache_timeout);
2954 }
2955 #endif
2956
2957 mbedtls_ssl_conf_session_cache(&conf, &cache,
2958 mbedtls_ssl_cache_get,
2959 mbedtls_ssl_cache_set);
2960 #endif
2961
2962 #if defined(MBEDTLS_SSL_SESSION_TICKETS) && defined(MBEDTLS_SSL_TICKET_C)
2963 if (opt.tickets != MBEDTLS_SSL_SESSION_TICKETS_DISABLED) {
2964 #if defined(MBEDTLS_HAVE_TIME)
2965 if (opt.dummy_ticket) {
2966 mbedtls_ssl_conf_session_tickets_cb(&conf,
2967 dummy_ticket_write,
2968 dummy_ticket_parse,
2969 NULL);
2970 } else
2971 #endif /* MBEDTLS_HAVE_TIME */
2972 {
2973 if ((ret = mbedtls_ssl_ticket_setup(&ticket_ctx,
2974 rng_get, &rng,
2975 opt.ticket_aead,
2976 opt.ticket_timeout)) != 0) {
2977 mbedtls_printf(
2978 " failed\n ! mbedtls_ssl_ticket_setup returned %d\n\n",
2979 ret);
2980 goto exit;
2981 }
2982
2983 mbedtls_ssl_conf_session_tickets_cb(&conf,
2984 mbedtls_ssl_ticket_write,
2985 mbedtls_ssl_ticket_parse,
2986 &ticket_ctx);
2987 }
2988
2989 #if defined(MBEDTLS_SSL_PROTO_TLS1_3)
2990 mbedtls_ssl_conf_new_session_tickets(&conf, opt.tickets);
2991 #endif
2992 /* exercise manual ticket rotation (not required for typical use)
2993 * (used for external synchronization of session ticket encryption keys)
2994 */
2995 if (opt.ticket_rotate) {
2996 unsigned char kbuf[MBEDTLS_SSL_TICKET_MAX_KEY_BYTES];
2997 unsigned char name[MBEDTLS_SSL_TICKET_KEY_NAME_BYTES];
2998 if ((ret = rng_get(&rng, name, sizeof(name))) != 0 ||
2999 (ret = rng_get(&rng, kbuf, sizeof(kbuf))) != 0 ||
3000 (ret = mbedtls_ssl_ticket_rotate(&ticket_ctx,
3001 name, sizeof(name), kbuf, sizeof(kbuf),
3002 opt.ticket_timeout)) != 0) {
3003 mbedtls_printf(" failed\n ! mbedtls_ssl_ticket_rotate returned %d\n\n", ret);
3004 goto exit;
3005 }
3006 }
3007 }
3008 #endif
3009
3010 #if defined(MBEDTLS_SSL_PROTO_DTLS)
3011 if (opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM) {
3012 #if defined(MBEDTLS_SSL_COOKIE_C)
3013 if (opt.cookies > 0) {
3014 if ((ret = mbedtls_ssl_cookie_setup(&cookie_ctx,
3015 rng_get, &rng)) != 0) {
3016 mbedtls_printf(" failed\n ! mbedtls_ssl_cookie_setup returned %d\n\n", ret);
3017 goto exit;
3018 }
3019
3020 mbedtls_ssl_conf_dtls_cookies(&conf, mbedtls_ssl_cookie_write, mbedtls_ssl_cookie_check,
3021 &cookie_ctx);
3022 } else
3023 #endif /* MBEDTLS_SSL_COOKIE_C */
3024 #if defined(MBEDTLS_SSL_DTLS_HELLO_VERIFY)
3025 if (opt.cookies == 0) {
3026 mbedtls_ssl_conf_dtls_cookies(&conf, NULL, NULL, NULL);
3027 } else
3028 #endif /* MBEDTLS_SSL_DTLS_HELLO_VERIFY */
3029 {
3030 ; /* Nothing to do */
3031 }
3032
3033 #if defined(MBEDTLS_SSL_DTLS_ANTI_REPLAY)
3034 if (opt.anti_replay != DFL_ANTI_REPLAY) {
3035 mbedtls_ssl_conf_dtls_anti_replay(&conf, opt.anti_replay);
3036 }
3037 #endif
3038
3039 if (opt.badmac_limit != DFL_BADMAC_LIMIT) {
3040 mbedtls_ssl_conf_dtls_badmac_limit(&conf, opt.badmac_limit);
3041 }
3042 }
3043 #endif /* MBEDTLS_SSL_PROTO_DTLS */
3044
3045 if (opt.force_ciphersuite[0] != DFL_FORCE_CIPHER) {
3046 mbedtls_ssl_conf_ciphersuites(&conf, opt.force_ciphersuite);
3047 }
3048
3049 #if defined(MBEDTLS_SSL_PROTO_TLS1_3)
3050 mbedtls_ssl_conf_tls13_key_exchange_modes(&conf, opt.tls13_kex_modes);
3051 #endif /* MBEDTLS_SSL_PROTO_TLS1_3 */
3052
3053 if (opt.allow_legacy != DFL_ALLOW_LEGACY) {
3054 mbedtls_ssl_conf_legacy_renegotiation(&conf, opt.allow_legacy);
3055 }
3056 #if defined(MBEDTLS_SSL_RENEGOTIATION)
3057 mbedtls_ssl_conf_renegotiation(&conf, opt.renegotiation);
3058
3059 if (opt.renego_delay != DFL_RENEGO_DELAY) {
3060 mbedtls_ssl_conf_renegotiation_enforced(&conf, opt.renego_delay);
3061 }
3062
3063 if (opt.renego_period != DFL_RENEGO_PERIOD) {
3064 PUT_UINT64_BE(renego_period, opt.renego_period, 0);
3065 mbedtls_ssl_conf_renegotiation_period(&conf, renego_period);
3066 }
3067 #endif
3068
3069 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED)
3070 if (strcmp(opt.ca_path, "none") != 0 &&
3071 strcmp(opt.ca_file, "none") != 0) {
3072 #if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK)
3073 if (opt.ca_callback != 0) {
3074 mbedtls_ssl_conf_ca_cb(&conf, ca_callback, &cacert);
3075 } else
3076 #endif
3077 mbedtls_ssl_conf_ca_chain(&conf, &cacert, NULL);
3078 }
3079 if (key_cert_init) {
3080 mbedtls_pk_context *pk = &pkey;
3081 #if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
3082 if (opt.async_private_delay1 >= 0) {
3083 ret = ssl_async_set_key(&ssl_async_keys, &srvcert, pk, 0,
3084 opt.async_private_delay1);
3085 if (ret < 0) {
3086 mbedtls_printf(" Test error: ssl_async_set_key failed (%d)\n",
3087 ret);
3088 goto exit;
3089 }
3090 pk = NULL;
3091 }
3092 #endif /* MBEDTLS_SSL_ASYNC_PRIVATE */
3093 if ((ret = mbedtls_ssl_conf_own_cert(&conf, &srvcert, pk)) != 0) {
3094 mbedtls_printf(" failed\n ! mbedtls_ssl_conf_own_cert returned %d\n\n", ret);
3095 goto exit;
3096 }
3097 }
3098 if (key_cert_init2) {
3099 mbedtls_pk_context *pk = &pkey2;
3100 #if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
3101 if (opt.async_private_delay2 >= 0) {
3102 ret = ssl_async_set_key(&ssl_async_keys, &srvcert2, pk, 0,
3103 opt.async_private_delay2);
3104 if (ret < 0) {
3105 mbedtls_printf(" Test error: ssl_async_set_key failed (%d)\n",
3106 ret);
3107 goto exit;
3108 }
3109 pk = NULL;
3110 }
3111 #endif /* MBEDTLS_SSL_ASYNC_PRIVATE */
3112 if ((ret = mbedtls_ssl_conf_own_cert(&conf, &srvcert2, pk)) != 0) {
3113 mbedtls_printf(" failed\n ! mbedtls_ssl_conf_own_cert returned %d\n\n", ret);
3114 goto exit;
3115 }
3116 }
3117
3118 #if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
3119 if (opt.async_operations[0] != '-') {
3120 mbedtls_ssl_async_sign_t *sign = NULL;
3121 mbedtls_ssl_async_decrypt_t *decrypt = NULL;
3122 const char *r;
3123 for (r = opt.async_operations; *r; r++) {
3124 switch (*r) {
3125 case 'd':
3126 decrypt = ssl_async_decrypt;
3127 break;
3128 case 's':
3129 sign = ssl_async_sign;
3130 break;
3131 }
3132 }
3133 ssl_async_keys.inject_error = (opt.async_private_error < 0 ?
3134 -opt.async_private_error :
3135 opt.async_private_error);
3136 ssl_async_keys.f_rng = rng_get;
3137 ssl_async_keys.p_rng = &rng;
3138 mbedtls_ssl_conf_async_private_cb(&conf,
3139 sign,
3140 decrypt,
3141 ssl_async_resume,
3142 ssl_async_cancel,
3143 &ssl_async_keys);
3144 }
3145 #endif /* MBEDTLS_SSL_ASYNC_PRIVATE */
3146 #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED */
3147
3148 #if defined(SNI_OPTION)
3149 if (opt.sni != NULL) {
3150 mbedtls_ssl_conf_sni(&conf, sni_callback, sni_info);
3151 mbedtls_ssl_conf_cert_cb(&conf, cert_callback);
3152 #if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
3153 if (opt.async_private_delay2 >= 0) {
3154 sni_entry *cur;
3155 for (cur = sni_info; cur != NULL; cur = cur->next) {
3156 ret = ssl_async_set_key(&ssl_async_keys,
3157 cur->cert, cur->key, 1,
3158 opt.async_private_delay2);
3159 if (ret < 0) {
3160 mbedtls_printf(" Test error: ssl_async_set_key failed (%d)\n",
3161 ret);
3162 goto exit;
3163 }
3164 cur->key = NULL;
3165 }
3166 }
3167 #endif /* MBEDTLS_SSL_ASYNC_PRIVATE */
3168 }
3169 #endif
3170
3171 #if defined(MBEDTLS_PK_HAVE_ECC_KEYS) || \
3172 (defined(MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_SOME_EPHEMERAL_ENABLED) && \
3173 defined(PSA_WANT_ALG_FFDH))
3174 if (opt.groups != NULL &&
3175 strcmp(opt.groups, "default") != 0) {
3176 mbedtls_ssl_conf_groups(&conf, group_list);
3177 }
3178 #endif
3179
3180 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED)
3181 if (opt.sig_algs != NULL) {
3182 mbedtls_ssl_conf_sig_algs(&conf, sig_alg_list);
3183 }
3184 #endif
3185
3186 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_PSK_ENABLED)
3187
3188 if (strlen(opt.psk) != 0 && strlen(opt.psk_identity) != 0) {
3189 #if defined(MBEDTLS_USE_PSA_CRYPTO)
3190 if (opt.psk_opaque != 0) {
3191 /* The algorithm has already been determined earlier. */
3192 status = psa_setup_psk_key_slot(&psk_slot, alg, psk, psk_len);
3193 if (status != PSA_SUCCESS) {
3194 fprintf(stderr, "SETUP FAIL\n");
3195 ret = MBEDTLS_ERR_SSL_HW_ACCEL_FAILED;
3196 goto exit;
3197 }
3198 if ((ret = mbedtls_ssl_conf_psk_opaque(&conf, psk_slot,
3199 (const unsigned char *) opt.psk_identity,
3200 strlen(opt.psk_identity))) != 0) {
3201 mbedtls_printf(" failed\n ! mbedtls_ssl_conf_psk_opaque returned %d\n\n",
3202 ret);
3203 goto exit;
3204 }
3205 } else
3206 #endif /* MBEDTLS_USE_PSA_CRYPTO */
3207 if (psk_len > 0) {
3208 ret = mbedtls_ssl_conf_psk(&conf, psk, psk_len,
3209 (const unsigned char *) opt.psk_identity,
3210 strlen(opt.psk_identity));
3211 if (ret != 0) {
3212 mbedtls_printf(" failed\n mbedtls_ssl_conf_psk returned -0x%04X\n\n",
3213 (unsigned int) -ret);
3214 goto exit;
3215 }
3216 }
3217 }
3218
3219 if (opt.psk_list != NULL) {
3220 #if defined(MBEDTLS_USE_PSA_CRYPTO)
3221 if (opt.psk_list_opaque != 0) {
3222 psk_entry *cur_psk;
3223 for (cur_psk = psk_info; cur_psk != NULL; cur_psk = cur_psk->next) {
3224
3225 status = psa_setup_psk_key_slot(&cur_psk->slot, alg,
3226 cur_psk->key,
3227 cur_psk->key_len);
3228 if (status != PSA_SUCCESS) {
3229 ret = MBEDTLS_ERR_SSL_HW_ACCEL_FAILED;
3230 goto exit;
3231 }
3232 }
3233 }
3234 #endif /* MBEDTLS_USE_PSA_CRYPTO */
3235
3236 mbedtls_ssl_conf_psk_cb(&conf, psk_callback, psk_info);
3237 }
3238 #endif
3239
3240 #if defined(MBEDTLS_DHM_C)
3241 /*
3242 * Use different group than default DHM group
3243 */
3244 #if defined(MBEDTLS_FS_IO)
3245 if (opt.dhm_file != NULL) {
3246 ret = mbedtls_ssl_conf_dh_param_ctx(&conf, &dhm);
3247 }
3248 #endif
3249 if (ret != 0) {
3250 mbedtls_printf(" failed\n mbedtls_ssl_conf_dh_param returned -0x%04X\n\n",
3251 (unsigned int) -ret);
3252 goto exit;
3253 }
3254 #endif
3255
3256 if (opt.min_version != DFL_MIN_VERSION) {
3257 mbedtls_ssl_conf_min_tls_version(&conf, opt.min_version);
3258 }
3259
3260 if (opt.max_version != DFL_MIN_VERSION) {
3261 mbedtls_ssl_conf_max_tls_version(&conf, opt.max_version);
3262 }
3263
3264 if ((ret = mbedtls_ssl_setup(&ssl, &conf)) != 0) {
3265 mbedtls_printf(" failed\n ! mbedtls_ssl_setup returned -0x%x\n\n", (unsigned int) -ret);
3266 goto exit;
3267 }
3268
3269 if (opt.eap_tls != 0) {
3270 mbedtls_ssl_set_export_keys_cb(&ssl, eap_tls_key_derivation,
3271 &eap_tls_keying);
3272 } else if (opt.nss_keylog != 0) {
3273 mbedtls_ssl_set_export_keys_cb(&ssl,
3274 nss_keylog_export,
3275 NULL);
3276 }
3277 #if defined(MBEDTLS_SSL_DTLS_SRTP)
3278 else if (opt.use_srtp != 0) {
3279 mbedtls_ssl_set_export_keys_cb(&ssl, dtls_srtp_key_derivation,
3280 &dtls_srtp_keying);
3281 }
3282 #endif /* MBEDTLS_SSL_DTLS_SRTP */
3283
3284 io_ctx.ssl = &ssl;
3285 io_ctx.net = &client_fd;
3286 mbedtls_ssl_set_bio(&ssl, &io_ctx, send_cb, recv_cb,
3287 opt.nbio == 0 ? recv_timeout_cb : NULL);
3288
3289 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
3290 if (opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM) {
3291 if ((ret = mbedtls_ssl_set_cid(&ssl, opt.cid_enabled,
3292 cid, cid_len)) != 0) {
3293 mbedtls_printf(" failed\n ! mbedtls_ssl_set_cid returned %d\n\n",
3294 ret);
3295 goto exit;
3296 }
3297 }
3298 #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
3299
3300 #if defined(MBEDTLS_SSL_PROTO_DTLS)
3301 if (opt.dtls_mtu != DFL_DTLS_MTU) {
3302 mbedtls_ssl_set_mtu(&ssl, opt.dtls_mtu);
3303 }
3304 #endif
3305
3306 #if defined(MBEDTLS_TIMING_C)
3307 mbedtls_ssl_set_timer_cb(&ssl, &timer, mbedtls_timing_set_delay,
3308 mbedtls_timing_get_delay);
3309 #endif
3310
3311 mbedtls_printf(" ok\n");
3312
3313 /*
3314 * 3. Setup the listening TCP socket
3315 */
3316 mbedtls_printf(" . Bind on %s://%s:%s/ ...",
3317 opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM ? "tcp" : "udp",
3318 opt.server_addr ? opt.server_addr : "*",
3319 opt.server_port);
3320 fflush(stdout);
3321
3322 if ((ret = mbedtls_net_bind(&listen_fd, opt.server_addr, opt.server_port,
3323 opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM ?
3324 MBEDTLS_NET_PROTO_TCP : MBEDTLS_NET_PROTO_UDP)) != 0) {
3325 mbedtls_printf(" failed\n ! mbedtls_net_bind returned -0x%x\n\n", (unsigned int) -ret);
3326 goto exit;
3327 }
3328 mbedtls_printf(" ok\n");
3329
3330 reset:
3331 #if !defined(_WIN32)
3332 if (received_sigterm) {
3333 mbedtls_printf(" interrupted by SIGTERM (not in net_accept())\n");
3334 if (ret == MBEDTLS_ERR_NET_INVALID_CONTEXT) {
3335 ret = 0;
3336 }
3337
3338 goto exit;
3339 }
3340 #endif
3341
3342 if (ret == MBEDTLS_ERR_SSL_CLIENT_RECONNECT) {
3343 mbedtls_printf(" ! Client initiated reconnection from same port\n");
3344 goto handshake;
3345 }
3346
3347 #ifdef MBEDTLS_ERROR_C
3348 if (ret != 0) {
3349 char error_buf[100];
3350 mbedtls_strerror(ret, error_buf, 100);
3351 mbedtls_printf("Last error was: %d - %s\n\n", ret, error_buf);
3352 }
3353 #endif
3354
3355 mbedtls_net_free(&client_fd);
3356
3357 mbedtls_ssl_session_reset(&ssl);
3358
3359 /*
3360 * 3. Wait until a client connects
3361 */
3362 mbedtls_printf(" . Waiting for a remote connection ...");
3363 fflush(stdout);
3364
3365 if ((ret = mbedtls_net_accept(&listen_fd, &client_fd,
3366 client_ip, sizeof(client_ip), &cliip_len)) != 0) {
3367 #if !defined(_WIN32)
3368 if (received_sigterm) {
3369 mbedtls_printf(" interrupted by SIGTERM (in net_accept())\n");
3370 if (ret == MBEDTLS_ERR_NET_ACCEPT_FAILED) {
3371 ret = 0;
3372 }
3373
3374 goto exit;
3375 }
3376 #endif
3377
3378 mbedtls_printf(" failed\n ! mbedtls_net_accept returned -0x%x\n\n", (unsigned int) -ret);
3379 goto exit;
3380 }
3381
3382 if (opt.nbio > 0) {
3383 ret = mbedtls_net_set_nonblock(&client_fd);
3384 } else {
3385 ret = mbedtls_net_set_block(&client_fd);
3386 }
3387 if (ret != 0) {
3388 mbedtls_printf(" failed\n ! net_set_(non)block() returned -0x%x\n\n", (unsigned int) -ret);
3389 goto exit;
3390 }
3391
3392 mbedtls_ssl_conf_read_timeout(&conf, opt.read_timeout);
3393
3394 #if defined(MBEDTLS_SSL_DTLS_HELLO_VERIFY)
3395 if (opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM) {
3396 if ((ret = mbedtls_ssl_set_client_transport_id(&ssl,
3397 client_ip, cliip_len)) != 0) {
3398 mbedtls_printf(" failed\n ! mbedtls_ssl_set_client_transport_id() returned -0x%x\n\n",
3399 (unsigned int) -ret);
3400 goto exit;
3401 }
3402 }
3403 #endif /* MBEDTLS_SSL_DTLS_HELLO_VERIFY */
3404
3405 #if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
3406 if (opt.ecjpake_pw != DFL_ECJPAKE_PW) {
3407 #if defined(MBEDTLS_USE_PSA_CRYPTO)
3408 if (opt.ecjpake_pw_opaque != DFL_ECJPAKE_PW_OPAQUE) {
3409 psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
3410
3411 psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_DERIVE);
3412 psa_set_key_algorithm(&attributes, PSA_ALG_JPAKE);
3413 psa_set_key_type(&attributes, PSA_KEY_TYPE_PASSWORD);
3414
3415 status = psa_import_key(&attributes,
3416 (const unsigned char *) opt.ecjpake_pw,
3417 strlen(opt.ecjpake_pw),
3418 &ecjpake_pw_slot);
3419 if (status != PSA_SUCCESS) {
3420 mbedtls_printf(" failed\n ! psa_import_key returned %d\n\n",
3421 status);
3422 goto exit;
3423 }
3424 if ((ret = mbedtls_ssl_set_hs_ecjpake_password_opaque(&ssl,
3425 ecjpake_pw_slot)) != 0) {
3426 mbedtls_printf(
3427 " failed\n ! mbedtls_ssl_set_hs_ecjpake_password_opaque returned %d\n\n",
3428 ret);
3429 goto exit;
3430 }
3431 mbedtls_printf("using opaque password\n");
3432 } else
3433 #endif /* MBEDTLS_USE_PSA_CRYPTO */
3434 {
3435 if ((ret = mbedtls_ssl_set_hs_ecjpake_password(&ssl,
3436 (const unsigned char *) opt.ecjpake_pw,
3437 strlen(opt.ecjpake_pw))) != 0) {
3438 mbedtls_printf(" failed\n ! mbedtls_ssl_set_hs_ecjpake_password returned %d\n\n",
3439 ret);
3440 goto exit;
3441 }
3442 }
3443 }
3444 #endif /* MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED */
3445
3446 #if defined(MBEDTLS_SSL_SERVER_NAME_INDICATION)
3447 #if defined(MBEDTLS_KEY_EXCHANGE_CERT_REQ_ALLOWED_ENABLED)
3448 /* exercise setting DN hints for server certificate request
3449 * (Intended for use where the client cert expected has been signed by
3450 * a specific CA which is an intermediate in a CA chain, not the root)
3451 * (Additionally, the CA choice would typically be influenced by SNI
3452 * if being set per-handshake using mbedtls_ssl_set_hs_dn_hints()) */
3453 if (opt.cert_req_dn_hint == 3 && key_cert_init2) {
3454 mbedtls_ssl_set_hs_dn_hints(&ssl, &srvcert2);
3455 }
3456 #endif
3457 #endif
3458
3459 mbedtls_printf(" ok\n");
3460
3461 /*
3462 * 4. Handshake
3463 */
3464 handshake:
3465 mbedtls_printf(" . Performing the SSL/TLS handshake...");
3466 fflush(stdout);
3467
3468 while ((ret = mbedtls_ssl_handshake(&ssl)) != 0) {
3469 #if defined(MBEDTLS_SSL_EARLY_DATA)
3470 if (ret == MBEDTLS_ERR_SSL_RECEIVED_EARLY_DATA) {
3471 memset(buf, 0, opt.buffer_size);
3472 ret = mbedtls_ssl_read_early_data(&ssl, buf, opt.buffer_size);
3473 if (ret > 0) {
3474 buf[ret] = '\0';
3475 mbedtls_printf(" %d early data bytes read\n\n%s\n",
3476 ret, (char *) buf);
3477 }
3478 continue;
3479 }
3480 #endif /* MBEDTLS_SSL_EARLY_DATA */
3481
3482 #if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
3483 if (ret == MBEDTLS_ERR_SSL_ASYNC_IN_PROGRESS &&
3484 ssl_async_keys.inject_error == SSL_ASYNC_INJECT_ERROR_CANCEL) {
3485 mbedtls_printf(" cancelling on injected error\n");
3486 break;
3487 }
3488 #endif /* MBEDTLS_SSL_ASYNC_PRIVATE */
3489
3490 if (!mbedtls_status_is_ssl_in_progress(ret)) {
3491 break;
3492 }
3493
3494 /* For event-driven IO, wait for socket to become available */
3495 if (opt.event == 1 /* level triggered IO */) {
3496 #if defined(MBEDTLS_TIMING_C)
3497 ret = idle(&client_fd, &timer, ret);
3498 #else
3499 ret = idle(&client_fd, ret);
3500 #endif
3501 if (ret != 0) {
3502 goto reset;
3503 }
3504 }
3505 }
3506
3507 if (ret == MBEDTLS_ERR_SSL_HELLO_VERIFY_REQUIRED) {
3508 mbedtls_printf(" hello verification requested\n");
3509 ret = 0;
3510 goto reset;
3511 } else if (ret != 0) {
3512 mbedtls_printf(" failed\n ! mbedtls_ssl_handshake returned -0x%x\n\n",
3513 (unsigned int) -ret);
3514
3515 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED)
3516 if (ret == MBEDTLS_ERR_X509_CERT_VERIFY_FAILED ||
3517 ret == MBEDTLS_ERR_SSL_BAD_CERTIFICATE) {
3518 char vrfy_buf[512];
3519 flags = mbedtls_ssl_get_verify_result(&ssl);
3520
3521 x509_crt_verify_info(vrfy_buf, sizeof(vrfy_buf), " ! ", flags);
3522
3523 mbedtls_printf("%s\n", vrfy_buf);
3524 }
3525 #endif
3526
3527 #if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
3528 if (opt.async_private_error < 0) {
3529 /* Injected error only the first time round, to test reset */
3530 ssl_async_keys.inject_error = SSL_ASYNC_INJECT_ERROR_NONE;
3531 }
3532 #endif
3533 goto reset;
3534 } else { /* ret == 0 */
3535 int suite_id = mbedtls_ssl_get_ciphersuite_id_from_ssl(&ssl);
3536 const mbedtls_ssl_ciphersuite_t *ciphersuite_info;
3537 ciphersuite_info = mbedtls_ssl_ciphersuite_from_id(suite_id);
3538
3539 mbedtls_printf(" ok\n [ Protocol is %s ]\n"
3540 " [ Ciphersuite is %s ]\n"
3541 " [ Key size is %u ]\n",
3542 mbedtls_ssl_get_version(&ssl),
3543 mbedtls_ssl_ciphersuite_get_name(ciphersuite_info),
3544 (unsigned int)
3545 mbedtls_ssl_ciphersuite_get_cipher_key_bitlen(ciphersuite_info));
3546 }
3547
3548 if ((ret = mbedtls_ssl_get_record_expansion(&ssl)) >= 0) {
3549 mbedtls_printf(" [ Record expansion is %d ]\n", ret);
3550 } else {
3551 mbedtls_printf(" [ Record expansion is unknown ]\n");
3552 }
3553
3554 #if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH) || defined(MBEDTLS_SSL_RECORD_SIZE_LIMIT)
3555 mbedtls_printf(" [ Maximum incoming record payload length is %u ]\n",
3556 (unsigned int) mbedtls_ssl_get_max_in_record_payload(&ssl));
3557 mbedtls_printf(" [ Maximum outgoing record payload length is %u ]\n",
3558 (unsigned int) mbedtls_ssl_get_max_out_record_payload(&ssl));
3559 #endif
3560
3561 #if defined(MBEDTLS_SSL_ALPN)
3562 if (opt.alpn_string != NULL) {
3563 const char *alp = mbedtls_ssl_get_alpn_protocol(&ssl);
3564 mbedtls_printf(" [ Application Layer Protocol is %s ]\n",
3565 alp ? alp : "(none)");
3566 }
3567 #endif
3568
3569 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED)
3570 /*
3571 * 5. Verify the client certificate
3572 */
3573 mbedtls_printf(" . Verifying peer X.509 certificate...");
3574
3575 if ((flags = mbedtls_ssl_get_verify_result(&ssl)) != 0) {
3576 char vrfy_buf[512];
3577
3578 mbedtls_printf(" failed\n");
3579
3580 x509_crt_verify_info(vrfy_buf, sizeof(vrfy_buf), " ! ", flags);
3581 mbedtls_printf("%s\n", vrfy_buf);
3582 } else {
3583 mbedtls_printf(" ok\n");
3584 }
3585
3586 #if !defined(MBEDTLS_X509_REMOVE_INFO)
3587 if (mbedtls_ssl_get_peer_cert(&ssl) != NULL) {
3588 char crt_buf[512];
3589
3590 mbedtls_printf(" . Peer certificate information ...\n");
3591 mbedtls_x509_crt_info(crt_buf, sizeof(crt_buf), " ",
3592 mbedtls_ssl_get_peer_cert(&ssl));
3593 mbedtls_printf("%s\n", crt_buf);
3594 }
3595 #endif /* MBEDTLS_X509_REMOVE_INFO */
3596 #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED */
3597
3598 if (opt.eap_tls != 0) {
3599 size_t j = 0;
3600
3601 if ((ret = mbedtls_ssl_tls_prf(eap_tls_keying.tls_prf_type,
3602 eap_tls_keying.master_secret,
3603 sizeof(eap_tls_keying.master_secret),
3604 eap_tls_label,
3605 eap_tls_keying.randbytes,
3606 sizeof(eap_tls_keying.randbytes),
3607 eap_tls_keymaterial,
3608 sizeof(eap_tls_keymaterial)))
3609 != 0) {
3610 mbedtls_printf(" failed\n ! mbedtls_ssl_tls_prf returned -0x%x\n\n",
3611 (unsigned int) -ret);
3612 goto reset;
3613 }
3614
3615 mbedtls_printf(" EAP-TLS key material is:");
3616 for (j = 0; j < sizeof(eap_tls_keymaterial); j++) {
3617 if (j % 8 == 0) {
3618 mbedtls_printf("\n ");
3619 }
3620 mbedtls_printf("%02x ", eap_tls_keymaterial[j]);
3621 }
3622 mbedtls_printf("\n");
3623
3624 if ((ret = mbedtls_ssl_tls_prf(eap_tls_keying.tls_prf_type, NULL, 0,
3625 eap_tls_label,
3626 eap_tls_keying.randbytes,
3627 sizeof(eap_tls_keying.randbytes),
3628 eap_tls_iv,
3629 sizeof(eap_tls_iv))) != 0) {
3630 mbedtls_printf(" failed\n ! mbedtls_ssl_tls_prf returned -0x%x\n\n",
3631 (unsigned int) -ret);
3632 goto reset;
3633 }
3634
3635 mbedtls_printf(" EAP-TLS IV is:");
3636 for (j = 0; j < sizeof(eap_tls_iv); j++) {
3637 if (j % 8 == 0) {
3638 mbedtls_printf("\n ");
3639 }
3640 mbedtls_printf("%02x ", eap_tls_iv[j]);
3641 }
3642 mbedtls_printf("\n");
3643 }
3644
3645 #if defined(MBEDTLS_SSL_DTLS_SRTP)
3646 else if (opt.use_srtp != 0) {
3647 size_t j = 0;
3648 mbedtls_dtls_srtp_info dtls_srtp_negotiation_result;
3649 mbedtls_ssl_get_dtls_srtp_negotiation_result(&ssl, &dtls_srtp_negotiation_result);
3650
3651 if (dtls_srtp_negotiation_result.chosen_dtls_srtp_profile
3652 == MBEDTLS_TLS_SRTP_UNSET) {
3653 mbedtls_printf(" Unable to negotiate "
3654 "the use of DTLS-SRTP\n");
3655 } else {
3656 if ((ret = mbedtls_ssl_tls_prf(dtls_srtp_keying.tls_prf_type,
3657 dtls_srtp_keying.master_secret,
3658 sizeof(dtls_srtp_keying.master_secret),
3659 dtls_srtp_label,
3660 dtls_srtp_keying.randbytes,
3661 sizeof(dtls_srtp_keying.randbytes),
3662 dtls_srtp_key_material,
3663 sizeof(dtls_srtp_key_material)))
3664 != 0) {
3665 mbedtls_printf(" failed\n ! mbedtls_ssl_tls_prf returned -0x%x\n\n",
3666 (unsigned int) -ret);
3667 goto exit;
3668 }
3669
3670 mbedtls_printf(" DTLS-SRTP key material is:");
3671 for (j = 0; j < sizeof(dtls_srtp_key_material); j++) {
3672 if (j % 8 == 0) {
3673 mbedtls_printf("\n ");
3674 }
3675 mbedtls_printf("%02x ", dtls_srtp_key_material[j]);
3676 }
3677 mbedtls_printf("\n");
3678
3679 /* produce a less readable output used to perform automatic checks
3680 * - compare client and server output
3681 * - interop test with openssl which client produces this kind of output
3682 */
3683 mbedtls_printf(" Keying material: ");
3684 for (j = 0; j < sizeof(dtls_srtp_key_material); j++) {
3685 mbedtls_printf("%02X", dtls_srtp_key_material[j]);
3686 }
3687 mbedtls_printf("\n");
3688
3689 if (dtls_srtp_negotiation_result.mki_len > 0) {
3690 mbedtls_printf(" DTLS-SRTP mki value: ");
3691 for (j = 0; j < dtls_srtp_negotiation_result.mki_len; j++) {
3692 mbedtls_printf("%02X", dtls_srtp_negotiation_result.mki_value[j]);
3693 }
3694 } else {
3695 mbedtls_printf(" DTLS-SRTP no mki value negotiated");
3696 }
3697 mbedtls_printf("\n");
3698
3699 }
3700 }
3701 #endif /* MBEDTLS_SSL_DTLS_SRTP */
3702
3703 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
3704 ret = report_cid_usage(&ssl, "initial handshake");
3705 if (ret != 0) {
3706 goto exit;
3707 }
3708
3709 if (opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM) {
3710 if ((ret = mbedtls_ssl_set_cid(&ssl, opt.cid_enabled_renego,
3711 cid_renego, cid_renego_len)) != 0) {
3712 mbedtls_printf(" failed\n ! mbedtls_ssl_set_cid returned %d\n\n",
3713 ret);
3714 goto exit;
3715 }
3716 }
3717 #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
3718
3719 #if defined(MBEDTLS_MEMORY_DEBUG)
3720 mbedtls_memory_buffer_alloc_cur_get(¤t_heap_memory, &heap_blocks);
3721 mbedtls_memory_buffer_alloc_max_get(&peak_heap_memory, &heap_blocks);
3722 mbedtls_printf("Heap memory usage after handshake: %lu bytes. Peak memory usage was %lu\n",
3723 (unsigned long) current_heap_memory, (unsigned long) peak_heap_memory);
3724 #endif /* MBEDTLS_MEMORY_DEBUG */
3725
3726 if (opt.exchanges == 0) {
3727 goto close_notify;
3728 }
3729
3730 exchanges_left = opt.exchanges;
3731 data_exchange:
3732 /*
3733 * 6. Read the HTTP Request
3734 */
3735 mbedtls_printf(" < Read from client:");
3736 fflush(stdout);
3737
3738 /*
3739 * TLS and DTLS need different reading styles (stream vs datagram)
3740 */
3741 if (opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM) {
3742 do {
3743 int terminated = 0;
3744 len = opt.buffer_size;
3745 memset(buf, 0, opt.buffer_size);
3746 ret = mbedtls_ssl_read(&ssl, buf, len);
3747
3748 if (mbedtls_status_is_ssl_in_progress(ret)) {
3749 if (opt.event == 1 /* level triggered IO */) {
3750 #if defined(MBEDTLS_TIMING_C)
3751 idle(&client_fd, &timer, ret);
3752 #else
3753 idle(&client_fd, ret);
3754 #endif
3755 }
3756
3757 continue;
3758 }
3759
3760 if (ret <= 0) {
3761 switch (ret) {
3762 case MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY:
3763 mbedtls_printf(" connection was closed gracefully\n");
3764 goto close_notify;
3765
3766 case 0:
3767 case MBEDTLS_ERR_NET_CONN_RESET:
3768 mbedtls_printf(" connection was reset by peer\n");
3769 ret = MBEDTLS_ERR_NET_CONN_RESET;
3770 goto reset;
3771
3772 default:
3773 mbedtls_printf(" mbedtls_ssl_read returned -0x%x\n", (unsigned int) -ret);
3774 goto reset;
3775 }
3776 }
3777
3778 if (mbedtls_ssl_get_bytes_avail(&ssl) == 0) {
3779 len = ret;
3780 buf[len] = '\0';
3781 mbedtls_printf(" %d bytes read\n\n%s\n", len, (char *) buf);
3782
3783 /* End of message should be detected according to the syntax of the
3784 * application protocol (eg HTTP), just use a dummy test here. */
3785 if (buf[len - 1] == '\n') {
3786 terminated = 1;
3787 }
3788 } else {
3789 int extra_len, ori_len;
3790 unsigned char *larger_buf;
3791
3792 ori_len = ret;
3793 extra_len = (int) mbedtls_ssl_get_bytes_avail(&ssl);
3794
3795 larger_buf = mbedtls_calloc(1, ori_len + extra_len + 1);
3796 if (larger_buf == NULL) {
3797 mbedtls_printf(" ! memory allocation failed\n");
3798 ret = 1;
3799 goto reset;
3800 }
3801
3802 memset(larger_buf, 0, ori_len + extra_len);
3803 memcpy(larger_buf, buf, ori_len);
3804
3805 /* This read should never fail and get the whole cached data */
3806 ret = mbedtls_ssl_read(&ssl, larger_buf + ori_len, extra_len);
3807 if (ret != extra_len ||
3808 mbedtls_ssl_get_bytes_avail(&ssl) != 0) {
3809 mbedtls_printf(" ! mbedtls_ssl_read failed on cached data\n");
3810 ret = 1;
3811 goto reset;
3812 }
3813
3814 larger_buf[ori_len + extra_len] = '\0';
3815 mbedtls_printf(" %d bytes read (%d + %d)\n\n%s\n",
3816 ori_len + extra_len, ori_len, extra_len,
3817 (char *) larger_buf);
3818
3819 /* End of message should be detected according to the syntax of the
3820 * application protocol (eg HTTP), just use a dummy test here. */
3821 if (larger_buf[ori_len + extra_len - 1] == '\n') {
3822 terminated = 1;
3823 }
3824
3825 mbedtls_free(larger_buf);
3826 }
3827
3828 if (terminated) {
3829 ret = 0;
3830 break;
3831 }
3832 } while (1);
3833 } else { /* Not stream, so datagram */
3834 len = opt.buffer_size;
3835 memset(buf, 0, opt.buffer_size);
3836
3837 do {
3838 /* Without the call to `mbedtls_ssl_check_pending`, it might
3839 * happen that the client sends application data in the same
3840 * datagram as the Finished message concluding the handshake.
3841 * In this case, the application data would be ready to be
3842 * processed while the underlying transport wouldn't signal
3843 * any further incoming data.
3844 *
3845 * See the test 'Event-driven I/O: session-id resume, UDP packing'
3846 * in tests/ssl-opt.sh.
3847 */
3848
3849 /* For event-driven IO, wait for socket to become available */
3850 if (mbedtls_ssl_check_pending(&ssl) == 0 &&
3851 opt.event == 1 /* level triggered IO */) {
3852 #if defined(MBEDTLS_TIMING_C)
3853 idle(&client_fd, &timer, MBEDTLS_ERR_SSL_WANT_READ);
3854 #else
3855 idle(&client_fd, MBEDTLS_ERR_SSL_WANT_READ);
3856 #endif
3857 }
3858
3859 ret = mbedtls_ssl_read(&ssl, buf, len);
3860
3861 /* Note that even if `mbedtls_ssl_check_pending` returns true,
3862 * it can happen that the subsequent call to `mbedtls_ssl_read`
3863 * returns `MBEDTLS_ERR_SSL_WANT_READ`, because the pending messages
3864 * might be discarded (e.g. because they are retransmissions). */
3865 } while (mbedtls_status_is_ssl_in_progress(ret));
3866
3867 if (ret <= 0) {
3868 switch (ret) {
3869 case MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY:
3870 mbedtls_printf(" connection was closed gracefully\n");
3871 goto close_notify;
3872
3873 default:
3874 mbedtls_printf(" mbedtls_ssl_read returned -0x%x\n", (unsigned int) -ret);
3875 goto reset;
3876 }
3877 }
3878
3879 len = ret;
3880 buf[len] = '\0';
3881 mbedtls_printf(" %d bytes read\n\n%s", len, (char *) buf);
3882 ret = 0;
3883 }
3884
3885 /*
3886 * 7a. Request renegotiation while client is waiting for input from us.
3887 * (only on the first exchange, to be able to test retransmission)
3888 */
3889 #if defined(MBEDTLS_SSL_RENEGOTIATION)
3890 if (opt.renegotiate && exchanges_left == opt.exchanges) {
3891 mbedtls_printf(" . Requestion renegotiation...");
3892 fflush(stdout);
3893
3894 while ((ret = mbedtls_ssl_renegotiate(&ssl)) != 0) {
3895 if (!mbedtls_status_is_ssl_in_progress(ret)) {
3896 mbedtls_printf(" failed\n ! mbedtls_ssl_renegotiate returned %d\n\n", ret);
3897 goto reset;
3898 }
3899
3900 /* For event-driven IO, wait for socket to become available */
3901 if (opt.event == 1 /* level triggered IO */) {
3902 #if defined(MBEDTLS_TIMING_C)
3903 idle(&client_fd, &timer, ret);
3904 #else
3905 idle(&client_fd, ret);
3906 #endif
3907 }
3908 }
3909
3910 mbedtls_printf(" ok\n");
3911 }
3912 #endif /* MBEDTLS_SSL_RENEGOTIATION */
3913
3914 #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
3915 ret = report_cid_usage(&ssl, "after renegotiation");
3916 if (ret != 0) {
3917 goto exit;
3918 }
3919 #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
3920
3921 /*
3922 * 7. Write the 200 Response
3923 */
3924 mbedtls_printf(" > Write to client:");
3925 fflush(stdout);
3926
3927 /* If the format of the response changes, make sure there is enough
3928 * room in buf (buf_content_size calculation above). */
3929 len = sprintf((char *) buf, HTTP_RESPONSE,
3930 mbedtls_ssl_get_ciphersuite(&ssl));
3931
3932 /* Add padding to the response to reach opt.response_size in length */
3933 if (opt.response_size != DFL_RESPONSE_SIZE &&
3934 len < opt.response_size) {
3935 memset(buf + len, 'B', opt.response_size - len);
3936 len += opt.response_size - len;
3937 }
3938
3939 /* Truncate if response size is smaller than the "natural" size */
3940 if (opt.response_size != DFL_RESPONSE_SIZE &&
3941 len > opt.response_size) {
3942 len = opt.response_size;
3943
3944 /* Still end with \r\n unless that's really not possible */
3945 if (len >= 2) {
3946 buf[len - 2] = '\r';
3947 }
3948 if (len >= 1) {
3949 buf[len - 1] = '\n';
3950 }
3951 }
3952
3953 if (opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM) {
3954 for (written = 0, frags = 0; written < len; written += ret, frags++) {
3955 while ((ret = mbedtls_ssl_write(&ssl, buf + written, len - written))
3956 <= 0) {
3957 if (ret == MBEDTLS_ERR_NET_CONN_RESET) {
3958 mbedtls_printf(" failed\n ! peer closed the connection\n\n");
3959 goto reset;
3960 }
3961
3962 if (!mbedtls_status_is_ssl_in_progress(ret)) {
3963 mbedtls_printf(" failed\n ! mbedtls_ssl_write returned %d\n\n", ret);
3964 goto reset;
3965 }
3966
3967 /* For event-driven IO, wait for socket to become available */
3968 if (opt.event == 1 /* level triggered IO */) {
3969 #if defined(MBEDTLS_TIMING_C)
3970 idle(&client_fd, &timer, ret);
3971 #else
3972 idle(&client_fd, ret);
3973 #endif
3974 }
3975 }
3976 }
3977 } else { /* Not stream, so datagram */
3978 while (1) {
3979 ret = mbedtls_ssl_write(&ssl, buf, len);
3980
3981 if (!mbedtls_status_is_ssl_in_progress(ret)) {
3982 break;
3983 }
3984
3985 /* For event-driven IO, wait for socket to become available */
3986 if (opt.event == 1 /* level triggered IO */) {
3987 #if defined(MBEDTLS_TIMING_C)
3988 idle(&client_fd, &timer, ret);
3989 #else
3990 idle(&client_fd, ret);
3991 #endif
3992 }
3993 }
3994
3995 if (ret < 0) {
3996 mbedtls_printf(" failed\n ! mbedtls_ssl_write returned %d\n\n", ret);
3997 goto reset;
3998 }
3999
4000 frags = 1;
4001 written = ret;
4002 }
4003
4004 buf[written] = '\0';
4005 mbedtls_printf(" %d bytes written in %d fragments\n\n%s\n", written, frags, (char *) buf);
4006 ret = 0;
4007
4008 /*
4009 * 7b. Simulate serialize/deserialize and go back to data exchange
4010 */
4011 #if defined(MBEDTLS_SSL_CONTEXT_SERIALIZATION)
4012 if (opt.serialize != 0) {
4013 size_t buf_len;
4014
4015 mbedtls_printf(" . Serializing live connection...");
4016
4017 ret = mbedtls_ssl_context_save(&ssl, NULL, 0, &buf_len);
4018 if (ret != MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL) {
4019 mbedtls_printf(" failed\n ! mbedtls_ssl_context_save returned "
4020 "-0x%x\n\n", (unsigned int) -ret);
4021
4022 goto exit;
4023 }
4024
4025 if ((context_buf = mbedtls_calloc(1, buf_len)) == NULL) {
4026 mbedtls_printf(" failed\n ! Couldn't allocate buffer for "
4027 "serialized context");
4028
4029 goto exit;
4030 }
4031 context_buf_len = buf_len;
4032
4033 if ((ret = mbedtls_ssl_context_save(&ssl, context_buf,
4034 buf_len, &buf_len)) != 0) {
4035 mbedtls_printf(" failed\n ! mbedtls_ssl_context_save returned "
4036 "-0x%x\n\n", (unsigned int) -ret);
4037
4038 goto exit;
4039 }
4040
4041 mbedtls_printf(" ok\n");
4042
4043 /* Save serialized context to the 'opt.context_file' as a base64 code */
4044 if (0 < strlen(opt.context_file)) {
4045 FILE *b64_file;
4046 uint8_t *b64_buf;
4047 size_t b64_len;
4048
4049 mbedtls_printf(" . Save serialized context to a file... ");
4050
4051 mbedtls_base64_encode(NULL, 0, &b64_len, context_buf, buf_len);
4052
4053 if ((b64_buf = mbedtls_calloc(1, b64_len)) == NULL) {
4054 mbedtls_printf("failed\n ! Couldn't allocate buffer for "
4055 "the base64 code\n");
4056 goto exit;
4057 }
4058
4059 if ((ret = mbedtls_base64_encode(b64_buf, b64_len, &b64_len,
4060 context_buf, buf_len)) != 0) {
4061 mbedtls_printf("failed\n ! mbedtls_base64_encode returned "
4062 "-0x%x\n", (unsigned int) -ret);
4063 mbedtls_free(b64_buf);
4064 goto exit;
4065 }
4066
4067 if ((b64_file = fopen(opt.context_file, "w")) == NULL) {
4068 mbedtls_printf("failed\n ! Cannot open '%s' for writing.\n",
4069 opt.context_file);
4070 mbedtls_free(b64_buf);
4071 goto exit;
4072 }
4073
4074 if (b64_len != fwrite(b64_buf, 1, b64_len, b64_file)) {
4075 mbedtls_printf("failed\n ! fwrite(%ld bytes) failed\n",
4076 (long) b64_len);
4077 mbedtls_free(b64_buf);
4078 fclose(b64_file);
4079 goto exit;
4080 }
4081
4082 mbedtls_free(b64_buf);
4083 fclose(b64_file);
4084
4085 mbedtls_printf("ok\n");
4086 }
4087
4088 /*
4089 * This simulates a workflow where you have a long-lived server
4090 * instance, potentially with a pool of ssl_context objects, and you
4091 * just want to re-use one while the connection is inactive: in that
4092 * case you can just reset() it, and then it's ready to receive
4093 * serialized data from another connection (or the same here).
4094 */
4095 if (opt.serialize == 1) {
4096 /* nothing to do here, done by context_save() already */
4097 mbedtls_printf(" . Context has been reset... ok\n");
4098 }
4099
4100 /*
4101 * This simulates a workflow where you have one server instance per
4102 * connection, and want to release it entire when the connection is
4103 * inactive, and spawn it again when needed again - this would happen
4104 * between ssl_free() and ssl_init() below, together with any other
4105 * teardown/startup code needed - for example, preparing the
4106 * ssl_config again (see section 3 "setup stuff" in this file).
4107 */
4108 if (opt.serialize == 2) {
4109 mbedtls_printf(" . Freeing and reinitializing context...");
4110
4111 mbedtls_ssl_free(&ssl);
4112
4113 mbedtls_ssl_init(&ssl);
4114
4115 if ((ret = mbedtls_ssl_setup(&ssl, &conf)) != 0) {
4116 mbedtls_printf(" failed\n ! mbedtls_ssl_setup returned "
4117 "-0x%x\n\n", (unsigned int) -ret);
4118 goto exit;
4119 }
4120
4121 /*
4122 * This illustrates the minimum amount of things you need to set
4123 * up, however you could set up much more if desired, for example
4124 * if you want to share your set up code between the case of
4125 * establishing a new connection and this case.
4126 */
4127 if (opt.nbio == 2) {
4128 mbedtls_ssl_set_bio(&ssl, &client_fd, delayed_send,
4129 delayed_recv, NULL);
4130 } else {
4131 mbedtls_ssl_set_bio(&ssl, &client_fd, mbedtls_net_send,
4132 mbedtls_net_recv,
4133 opt.nbio == 0 ? mbedtls_net_recv_timeout : NULL);
4134 }
4135
4136 #if defined(MBEDTLS_TIMING_C)
4137 mbedtls_ssl_set_timer_cb(&ssl, &timer,
4138 mbedtls_timing_set_delay,
4139 mbedtls_timing_get_delay);
4140 #endif /* MBEDTLS_TIMING_C */
4141
4142 mbedtls_printf(" ok\n");
4143 }
4144
4145 mbedtls_printf(" . Deserializing connection...");
4146
4147 if ((ret = mbedtls_ssl_context_load(&ssl, context_buf,
4148 buf_len)) != 0) {
4149 mbedtls_printf("failed\n ! mbedtls_ssl_context_load returned "
4150 "-0x%x\n\n", (unsigned int) -ret);
4151
4152 goto exit;
4153 }
4154
4155 mbedtls_free(context_buf);
4156 context_buf = NULL;
4157 context_buf_len = 0;
4158
4159 mbedtls_printf(" ok\n");
4160 }
4161 #endif /* MBEDTLS_SSL_CONTEXT_SERIALIZATION */
4162
4163 /*
4164 * 7c. Continue doing data exchanges?
4165 */
4166 if (--exchanges_left > 0) {
4167 goto data_exchange;
4168 }
4169
4170 /*
4171 * 8. Done, cleanly close the connection
4172 */
4173 close_notify:
4174 mbedtls_printf(" . Closing the connection...");
4175
4176 /* No error checking, the connection might be closed already */
4177 do {
4178 ret = mbedtls_ssl_close_notify(&ssl);
4179 } while (ret == MBEDTLS_ERR_SSL_WANT_WRITE);
4180 ret = 0;
4181
4182 mbedtls_printf(" done\n");
4183
4184 #if defined(MBEDTLS_SSL_CACHE_C)
4185 if (opt.cache_remove > 0) {
4186 mbedtls_ssl_cache_remove(&cache, ssl.session->id, ssl.session->id_len);
4187 }
4188 #endif
4189
4190 goto reset;
4191
4192 /*
4193 * Cleanup and exit
4194 */
4195 exit:
4196 #ifdef MBEDTLS_ERROR_C
4197 if (ret != 0) {
4198 char error_buf[100];
4199 mbedtls_strerror(ret, error_buf, 100);
4200 mbedtls_printf("Last error was: -0x%X - %s\n\n", (unsigned int) -ret, error_buf);
4201 }
4202 #endif
4203
4204 if (opt.query_config_mode == DFL_QUERY_CONFIG_MODE) {
4205 mbedtls_printf(" . Cleaning up...");
4206 fflush(stdout);
4207 }
4208
4209 mbedtls_net_free(&client_fd);
4210 mbedtls_net_free(&listen_fd);
4211
4212 mbedtls_ssl_free(&ssl);
4213 mbedtls_ssl_config_free(&conf);
4214
4215 #if defined(MBEDTLS_SSL_CACHE_C)
4216 mbedtls_ssl_cache_free(&cache);
4217 #endif
4218 #if defined(MBEDTLS_SSL_SESSION_TICKETS) && defined(MBEDTLS_SSL_TICKET_C)
4219 mbedtls_ssl_ticket_free(&ticket_ctx);
4220 #endif
4221 #if defined(MBEDTLS_SSL_COOKIE_C)
4222 mbedtls_ssl_cookie_free(&cookie_ctx);
4223 #endif
4224
4225 #if defined(MBEDTLS_SSL_CONTEXT_SERIALIZATION)
4226 if (context_buf != NULL) {
4227 mbedtls_platform_zeroize(context_buf, context_buf_len);
4228 }
4229 mbedtls_free(context_buf);
4230 #endif
4231
4232 #if defined(SNI_OPTION)
4233 sni_free(sni_info);
4234 #endif
4235
4236 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_PSK_ENABLED)
4237 ret = psk_free(psk_info);
4238 if ((ret != 0) && (opt.query_config_mode == DFL_QUERY_CONFIG_MODE)) {
4239 mbedtls_printf("Failed to list of opaque PSKs - error was %d\n", ret);
4240 }
4241 #endif
4242
4243 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_CERT_ENABLED)
4244 mbedtls_x509_crt_free(&cacert);
4245 mbedtls_x509_crt_free(&srvcert);
4246 mbedtls_pk_free(&pkey);
4247 mbedtls_x509_crt_free(&srvcert2);
4248 mbedtls_pk_free(&pkey2);
4249 #if defined(MBEDTLS_USE_PSA_CRYPTO)
4250 psa_destroy_key(key_slot);
4251 psa_destroy_key(key_slot2);
4252 #endif
4253 #endif
4254
4255 #if defined(MBEDTLS_DHM_C) && defined(MBEDTLS_FS_IO)
4256 mbedtls_dhm_free(&dhm);
4257 #endif
4258
4259 #if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
4260 for (i = 0; (size_t) i < ssl_async_keys.slots_used; i++) {
4261 if (ssl_async_keys.slots[i].pk_owned) {
4262 mbedtls_pk_free(ssl_async_keys.slots[i].pk);
4263 mbedtls_free(ssl_async_keys.slots[i].pk);
4264 ssl_async_keys.slots[i].pk = NULL;
4265 }
4266 }
4267 #endif
4268
4269 #if defined(MBEDTLS_SSL_HANDSHAKE_WITH_PSK_ENABLED) && \
4270 defined(MBEDTLS_USE_PSA_CRYPTO)
4271 if (opt.psk_opaque != 0) {
4272 /* This is ok even if the slot hasn't been
4273 * initialized (we might have jumed here
4274 * immediately because of bad cmd line params,
4275 * for example). */
4276 status = psa_destroy_key(psk_slot);
4277 if ((status != PSA_SUCCESS) &&
4278 (opt.query_config_mode == DFL_QUERY_CONFIG_MODE)) {
4279 mbedtls_printf("Failed to destroy key slot %u - error was %d",
4280 (unsigned) MBEDTLS_SVC_KEY_ID_GET_KEY_ID(psk_slot),
4281 (int) status);
4282 }
4283 }
4284 #endif /* MBEDTLS_SSL_HANDSHAKE_WITH_PSK_ENABLED &&
4285 MBEDTLS_USE_PSA_CRYPTO */
4286
4287 #if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED) && \
4288 defined(MBEDTLS_USE_PSA_CRYPTO)
4289 /*
4290 * In case opaque keys it's the user responsibility to keep the key valid
4291 * for the duration of the handshake and destroy it at the end
4292 */
4293 if ((opt.ecjpake_pw_opaque != DFL_ECJPAKE_PW_OPAQUE)) {
4294 psa_key_attributes_t check_attributes = PSA_KEY_ATTRIBUTES_INIT;
4295
4296 /* Verify that the key is still valid before destroying it */
4297 if (psa_get_key_attributes(ecjpake_pw_slot, &check_attributes) !=
4298 PSA_SUCCESS) {
4299 if (ret == 0) {
4300 ret = 1;
4301 }
4302 mbedtls_printf("The EC J-PAKE password key has unexpectedly been already destroyed\n");
4303 } else {
4304 psa_destroy_key(ecjpake_pw_slot);
4305 }
4306 }
4307 #endif /* MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED && MBEDTLS_USE_PSA_CRYPTO */
4308
4309 #if defined(MBEDTLS_USE_PSA_CRYPTO) || defined(MBEDTLS_SSL_PROTO_TLS1_3)
4310 const char *message = mbedtls_test_helper_is_psa_leaking();
4311 if (message) {
4312 if (ret == 0) {
4313 ret = 1;
4314 }
4315 mbedtls_printf("PSA memory leak detected: %s\n", message);
4316 }
4317 #endif
4318
4319 /* For builds with MBEDTLS_TEST_USE_PSA_CRYPTO_RNG psa crypto
4320 * resources are freed by rng_free(). */
4321 /* For builds with MBEDTLS_SSL_PROTO_TLS1_3, PSA may have been
4322 * initialized under the hood by the TLS layer. See
4323 * mbedtls_ssl_tls13_crypto_init(). */
4324 #if (defined(MBEDTLS_USE_PSA_CRYPTO) || defined(MBEDTLS_SSL_PROTO_TLS1_3)) \
4325 && !defined(MBEDTLS_TEST_USE_PSA_CRYPTO_RNG)
4326 mbedtls_psa_crypto_free();
4327 #endif
4328
4329 rng_free(&rng);
4330
4331 mbedtls_free(buf);
4332
4333 #if defined(MBEDTLS_TEST_HOOKS)
4334 /* Let test hooks detect errors such as resource leaks.
4335 * Don't do it in query_config mode, because some test code prints
4336 * information to stdout and this gets mixed with the regular output. */
4337 if (opt.query_config_mode == DFL_QUERY_CONFIG_MODE) {
4338 if (test_hooks_failure_detected()) {
4339 if (ret == 0) {
4340 ret = 1;
4341 }
4342 mbedtls_printf("Test hooks detected errors.\n");
4343 }
4344 }
4345 test_hooks_free();
4346 #endif /* MBEDTLS_TEST_HOOKS */
4347
4348 #if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
4349 #if defined(MBEDTLS_MEMORY_DEBUG)
4350 mbedtls_memory_buffer_alloc_status();
4351 #endif
4352 mbedtls_memory_buffer_alloc_free();
4353 #endif /* MBEDTLS_MEMORY_BUFFER_ALLOC_C */
4354
4355 if (opt.query_config_mode == DFL_QUERY_CONFIG_MODE) {
4356 mbedtls_printf(" done.\n");
4357 }
4358
4359 // Shell can not handle large exit numbers -> 1 for errors
4360 if (ret < 0) {
4361 ret = 1;
4362 }
4363
4364 if (opt.query_config_mode == DFL_QUERY_CONFIG_MODE) {
4365 mbedtls_exit(ret);
4366 } else {
4367 mbedtls_exit(query_config_ret);
4368 }
4369 }
4370 #endif /* !MBEDTLS_SSL_TEST_IMPOSSIBLE && MBEDTLS_SSL_SRV_C */
4371
