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453dfd8d | 1 | /* |
9ee27200 | 2 | * Copyright 2016-2017 The OpenSSL Project Authors. All Rights Reserved. |
453dfd8d | 3 | * |
440e5d80 RS |
4 | * Licensed under the OpenSSL license (the "License"). You may not use |
5 | * this file except in compliance with the License. You can obtain a copy | |
6 | * in the file LICENSE in the source distribution or at | |
453dfd8d | 7 | * https://www.openssl.org/source/license.html |
453dfd8d EK |
8 | */ |
9 | ||
10 | #include <string.h> | |
11 | ||
12 | #include <openssl/bio.h> | |
a263f320 | 13 | #include <openssl/x509_vfy.h> |
453dfd8d | 14 | #include <openssl/ssl.h> |
ea1ecd98 EK |
15 | #ifndef OPENSSL_NO_SRP |
16 | #include <openssl/srp.h> | |
17 | #endif | |
453dfd8d | 18 | |
f7d1d2a4 | 19 | #include "internal/sockets.h" |
0e97f1e1 | 20 | #include "internal/nelem.h" |
453dfd8d | 21 | #include "handshake_helper.h" |
d61f0078 | 22 | #include "testutil.h" |
453dfd8d | 23 | |
ce2cdac2 EK |
24 | HANDSHAKE_RESULT *HANDSHAKE_RESULT_new() |
25 | { | |
ff281ee8 P |
26 | HANDSHAKE_RESULT *ret; |
27 | ||
28 | TEST_ptr(ret = OPENSSL_zalloc(sizeof(*ret))); | |
ce2cdac2 EK |
29 | return ret; |
30 | } | |
31 | ||
32 | void HANDSHAKE_RESULT_free(HANDSHAKE_RESULT *result) | |
33 | { | |
2f35e6a3 EK |
34 | if (result == NULL) |
35 | return; | |
ce2cdac2 EK |
36 | OPENSSL_free(result->client_npn_negotiated); |
37 | OPENSSL_free(result->server_npn_negotiated); | |
38 | OPENSSL_free(result->client_alpn_negotiated); | |
39 | OPENSSL_free(result->server_alpn_negotiated); | |
f15b50c4 | 40 | sk_X509_NAME_pop_free(result->server_ca_names, X509_NAME_free); |
2e21539b | 41 | sk_X509_NAME_pop_free(result->client_ca_names, X509_NAME_free); |
e1c7871d | 42 | OPENSSL_free(result->cipher); |
ce2cdac2 EK |
43 | OPENSSL_free(result); |
44 | } | |
45 | ||
453dfd8d EK |
46 | /* |
47 | * Since there appears to be no way to extract the sent/received alert | |
48 | * from the SSL object directly, we use the info callback and stash | |
49 | * the result in ex_data. | |
50 | */ | |
e0421bd8 | 51 | typedef struct handshake_ex_data_st { |
453dfd8d | 52 | int alert_sent; |
dd8e5a57 | 53 | int num_fatal_alerts_sent; |
453dfd8d | 54 | int alert_received; |
5c753de6 | 55 | int session_ticket_do_not_call; |
d2b23cd2 | 56 | ssl_servername_t servername; |
453dfd8d EK |
57 | } HANDSHAKE_EX_DATA; |
58 | ||
e0421bd8 | 59 | typedef struct ctx_data_st { |
ce2cdac2 EK |
60 | unsigned char *npn_protocols; |
61 | size_t npn_protocols_len; | |
62 | unsigned char *alpn_protocols; | |
63 | size_t alpn_protocols_len; | |
ea1ecd98 EK |
64 | char *srp_user; |
65 | char *srp_password; | |
ce2cdac2 EK |
66 | } CTX_DATA; |
67 | ||
68 | /* |ctx_data| itself is stack-allocated. */ | |
69 | static void ctx_data_free_data(CTX_DATA *ctx_data) | |
70 | { | |
71 | OPENSSL_free(ctx_data->npn_protocols); | |
72 | ctx_data->npn_protocols = NULL; | |
73 | OPENSSL_free(ctx_data->alpn_protocols); | |
74 | ctx_data->alpn_protocols = NULL; | |
ea1ecd98 EK |
75 | OPENSSL_free(ctx_data->srp_user); |
76 | ctx_data->srp_user = NULL; | |
77 | OPENSSL_free(ctx_data->srp_password); | |
78 | ctx_data->srp_password = NULL; | |
ce2cdac2 EK |
79 | } |
80 | ||
453dfd8d EK |
81 | static int ex_data_idx; |
82 | ||
a8c82fa0 | 83 | static void info_cb(const SSL *s, int where, int ret) |
453dfd8d EK |
84 | { |
85 | if (where & SSL_CB_ALERT) { | |
86 | HANDSHAKE_EX_DATA *ex_data = | |
87 | (HANDSHAKE_EX_DATA*)(SSL_get_ex_data(s, ex_data_idx)); | |
88 | if (where & SSL_CB_WRITE) { | |
89 | ex_data->alert_sent = ret; | |
dd8e5a57 EK |
90 | if (strcmp(SSL_alert_type_string(ret), "F") == 0 |
91 | || strcmp(SSL_alert_desc_string(ret), "CN") == 0) | |
92 | ex_data->num_fatal_alerts_sent++; | |
453dfd8d EK |
93 | } else { |
94 | ex_data->alert_received = ret; | |
95 | } | |
96 | } | |
97 | } | |
98 | ||
ce2cdac2 | 99 | /* Select the appropriate server CTX. |
d2b23cd2 EK |
100 | * Returns SSL_TLSEXT_ERR_OK if a match was found. |
101 | * If |ignore| is 1, returns SSL_TLSEXT_ERR_NOACK on mismatch. | |
102 | * Otherwise, returns SSL_TLSEXT_ERR_ALERT_FATAL on mismatch. | |
103 | * An empty SNI extension also returns SSL_TSLEXT_ERR_NOACK. | |
104 | */ | |
105 | static int select_server_ctx(SSL *s, void *arg, int ignore) | |
81fc33c9 EK |
106 | { |
107 | const char *servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name); | |
d2b23cd2 EK |
108 | HANDSHAKE_EX_DATA *ex_data = |
109 | (HANDSHAKE_EX_DATA*)(SSL_get_ex_data(s, ex_data_idx)); | |
110 | ||
111 | if (servername == NULL) { | |
112 | ex_data->servername = SSL_TEST_SERVERNAME_SERVER1; | |
113 | return SSL_TLSEXT_ERR_NOACK; | |
114 | } | |
115 | ||
116 | if (strcmp(servername, "server2") == 0) { | |
81fc33c9 EK |
117 | SSL_CTX *new_ctx = (SSL_CTX*)arg; |
118 | SSL_set_SSL_CTX(s, new_ctx); | |
119 | /* | |
120 | * Copy over all the SSL_CTX options - reasonable behavior | |
121 | * allows testing of cases where the options between two | |
122 | * contexts differ/conflict | |
123 | */ | |
124 | SSL_clear_options(s, 0xFFFFFFFFL); | |
125 | SSL_set_options(s, SSL_CTX_get_options(new_ctx)); | |
d2b23cd2 EK |
126 | |
127 | ex_data->servername = SSL_TEST_SERVERNAME_SERVER2; | |
128 | return SSL_TLSEXT_ERR_OK; | |
129 | } else if (strcmp(servername, "server1") == 0) { | |
130 | ex_data->servername = SSL_TEST_SERVERNAME_SERVER1; | |
131 | return SSL_TLSEXT_ERR_OK; | |
132 | } else if (ignore) { | |
133 | ex_data->servername = SSL_TEST_SERVERNAME_SERVER1; | |
134 | return SSL_TLSEXT_ERR_NOACK; | |
135 | } else { | |
136 | /* Don't set an explicit alert, to test library defaults. */ | |
137 | return SSL_TLSEXT_ERR_ALERT_FATAL; | |
81fc33c9 | 138 | } |
d2b23cd2 EK |
139 | } |
140 | ||
a9c0d8be | 141 | static int client_hello_select_server_ctx(SSL *s, void *arg, int ignore) |
80de0c59 BK |
142 | { |
143 | const char *servername; | |
144 | const unsigned char *p; | |
145 | size_t len, remaining; | |
146 | HANDSHAKE_EX_DATA *ex_data = | |
147 | (HANDSHAKE_EX_DATA*)(SSL_get_ex_data(s, ex_data_idx)); | |
148 | ||
149 | /* | |
150 | * The server_name extension was given too much extensibility when it | |
151 | * was written, so parsing the normal case is a bit complex. | |
152 | */ | |
a9c0d8be DB |
153 | if (!SSL_client_hello_get0_ext(s, TLSEXT_TYPE_server_name, &p, |
154 | &remaining) || | |
80de0c59 BK |
155 | remaining <= 2) |
156 | return 0; | |
157 | /* Extract the length of the supplied list of names. */ | |
c4604e9b | 158 | len = (*(p++) << 8); |
80de0c59 BK |
159 | len += *(p++); |
160 | if (len + 2 != remaining) | |
161 | return 0; | |
162 | remaining = len; | |
163 | /* | |
164 | * The list in practice only has a single element, so we only consider | |
165 | * the first one. | |
166 | */ | |
167 | if (remaining == 0 || *p++ != TLSEXT_NAMETYPE_host_name) | |
168 | return 0; | |
169 | remaining--; | |
170 | /* Now we can finally pull out the byte array with the actual hostname. */ | |
171 | if (remaining <= 2) | |
172 | return 0; | |
c4604e9b | 173 | len = (*(p++) << 8); |
80de0c59 BK |
174 | len += *(p++); |
175 | if (len + 2 > remaining) | |
176 | return 0; | |
177 | remaining = len; | |
178 | servername = (const char *)p; | |
179 | ||
180 | if (len == strlen("server2") && strncmp(servername, "server2", len) == 0) { | |
181 | SSL_CTX *new_ctx = arg; | |
182 | SSL_set_SSL_CTX(s, new_ctx); | |
183 | /* | |
184 | * Copy over all the SSL_CTX options - reasonable behavior | |
185 | * allows testing of cases where the options between two | |
186 | * contexts differ/conflict | |
187 | */ | |
188 | SSL_clear_options(s, 0xFFFFFFFFL); | |
189 | SSL_set_options(s, SSL_CTX_get_options(new_ctx)); | |
190 | ||
191 | ex_data->servername = SSL_TEST_SERVERNAME_SERVER2; | |
192 | return 1; | |
193 | } else if (len == strlen("server1") && | |
194 | strncmp(servername, "server1", len) == 0) { | |
195 | ex_data->servername = SSL_TEST_SERVERNAME_SERVER1; | |
196 | return 1; | |
197 | } else if (ignore) { | |
198 | ex_data->servername = SSL_TEST_SERVERNAME_SERVER1; | |
199 | return 1; | |
200 | } | |
201 | return 0; | |
202 | } | |
d2b23cd2 EK |
203 | /* |
204 | * (RFC 6066): | |
205 | * If the server understood the ClientHello extension but | |
206 | * does not recognize the server name, the server SHOULD take one of two | |
207 | * actions: either abort the handshake by sending a fatal-level | |
208 | * unrecognized_name(112) alert or continue the handshake. | |
209 | * | |
210 | * This behaviour is up to the application to configure; we test both | |
211 | * configurations to ensure the state machine propagates the result | |
212 | * correctly. | |
213 | */ | |
214 | static int servername_ignore_cb(SSL *s, int *ad, void *arg) | |
215 | { | |
216 | return select_server_ctx(s, arg, 1); | |
217 | } | |
218 | ||
219 | static int servername_reject_cb(SSL *s, int *ad, void *arg) | |
220 | { | |
221 | return select_server_ctx(s, arg, 0); | |
81fc33c9 EK |
222 | } |
223 | ||
a9c0d8be | 224 | static int client_hello_ignore_cb(SSL *s, int *al, void *arg) |
80de0c59 | 225 | { |
a9c0d8be | 226 | if (!client_hello_select_server_ctx(s, arg, 1)) { |
80de0c59 | 227 | *al = SSL_AD_UNRECOGNIZED_NAME; |
f1b97da1 | 228 | return SSL_CLIENT_HELLO_ERROR; |
80de0c59 | 229 | } |
f1b97da1 | 230 | return SSL_CLIENT_HELLO_SUCCESS; |
80de0c59 BK |
231 | } |
232 | ||
a9c0d8be | 233 | static int client_hello_reject_cb(SSL *s, int *al, void *arg) |
80de0c59 | 234 | { |
a9c0d8be | 235 | if (!client_hello_select_server_ctx(s, arg, 0)) { |
80de0c59 | 236 | *al = SSL_AD_UNRECOGNIZED_NAME; |
f1b97da1 | 237 | return SSL_CLIENT_HELLO_ERROR; |
80de0c59 | 238 | } |
f1b97da1 | 239 | return SSL_CLIENT_HELLO_SUCCESS; |
80de0c59 BK |
240 | } |
241 | ||
a9c0d8be | 242 | static int client_hello_nov12_cb(SSL *s, int *al, void *arg) |
80de0c59 BK |
243 | { |
244 | int ret; | |
245 | unsigned int v; | |
246 | const unsigned char *p; | |
247 | ||
a9c0d8be | 248 | v = SSL_client_hello_get0_legacy_version(s); |
80de0c59 BK |
249 | if (v > TLS1_2_VERSION || v < SSL3_VERSION) { |
250 | *al = SSL_AD_PROTOCOL_VERSION; | |
f1b97da1 | 251 | return SSL_CLIENT_HELLO_ERROR; |
80de0c59 | 252 | } |
a9c0d8be | 253 | (void)SSL_client_hello_get0_session_id(s, &p); |
80de0c59 | 254 | if (p == NULL || |
a9c0d8be DB |
255 | SSL_client_hello_get0_random(s, &p) == 0 || |
256 | SSL_client_hello_get0_ciphers(s, &p) == 0 || | |
257 | SSL_client_hello_get0_compression_methods(s, &p) == 0) { | |
80de0c59 | 258 | *al = SSL_AD_INTERNAL_ERROR; |
f1b97da1 | 259 | return SSL_CLIENT_HELLO_ERROR; |
80de0c59 | 260 | } |
a9c0d8be | 261 | ret = client_hello_select_server_ctx(s, arg, 0); |
80de0c59 | 262 | SSL_set_max_proto_version(s, TLS1_1_VERSION); |
f1b97da1 | 263 | if (!ret) { |
80de0c59 | 264 | *al = SSL_AD_UNRECOGNIZED_NAME; |
f1b97da1 DB |
265 | return SSL_CLIENT_HELLO_ERROR; |
266 | } | |
267 | return SSL_CLIENT_HELLO_SUCCESS; | |
80de0c59 BK |
268 | } |
269 | ||
767ccc3b MC |
270 | static unsigned char dummy_ocsp_resp_good_val = 0xff; |
271 | static unsigned char dummy_ocsp_resp_bad_val = 0xfe; | |
272 | ||
273 | static int server_ocsp_cb(SSL *s, void *arg) | |
274 | { | |
275 | unsigned char *resp; | |
276 | ||
277 | resp = OPENSSL_malloc(1); | |
278 | if (resp == NULL) | |
279 | return SSL_TLSEXT_ERR_ALERT_FATAL; | |
280 | /* | |
281 | * For the purposes of testing we just send back a dummy OCSP response | |
282 | */ | |
283 | *resp = *(unsigned char *)arg; | |
284 | if (!SSL_set_tlsext_status_ocsp_resp(s, resp, 1)) | |
285 | return SSL_TLSEXT_ERR_ALERT_FATAL; | |
286 | ||
287 | return SSL_TLSEXT_ERR_OK; | |
288 | } | |
289 | ||
290 | static int client_ocsp_cb(SSL *s, void *arg) | |
291 | { | |
292 | const unsigned char *resp; | |
293 | int len; | |
294 | ||
295 | len = SSL_get_tlsext_status_ocsp_resp(s, &resp); | |
296 | if (len != 1 || *resp != dummy_ocsp_resp_good_val) | |
297 | return 0; | |
298 | ||
299 | return 1; | |
300 | } | |
301 | ||
a8c82fa0 | 302 | static int verify_reject_cb(X509_STORE_CTX *ctx, void *arg) { |
a263f320 EK |
303 | X509_STORE_CTX_set_error(ctx, X509_V_ERR_APPLICATION_VERIFICATION); |
304 | return 0; | |
305 | } | |
306 | ||
a8c82fa0 | 307 | static int verify_accept_cb(X509_STORE_CTX *ctx, void *arg) { |
a263f320 EK |
308 | return 1; |
309 | } | |
310 | ||
ce2cdac2 | 311 | static int broken_session_ticket_cb(SSL *s, unsigned char *key_name, unsigned char *iv, |
a8c82fa0 | 312 | EVP_CIPHER_CTX *ctx, HMAC_CTX *hctx, int enc) |
5c753de6 TS |
313 | { |
314 | return 0; | |
315 | } | |
316 | ||
ce2cdac2 | 317 | static int do_not_call_session_ticket_cb(SSL *s, unsigned char *key_name, |
a8c82fa0 RL |
318 | unsigned char *iv, |
319 | EVP_CIPHER_CTX *ctx, | |
320 | HMAC_CTX *hctx, int enc) | |
5c753de6 TS |
321 | { |
322 | HANDSHAKE_EX_DATA *ex_data = | |
323 | (HANDSHAKE_EX_DATA*)(SSL_get_ex_data(s, ex_data_idx)); | |
324 | ex_data->session_ticket_do_not_call = 1; | |
325 | return 0; | |
326 | } | |
327 | ||
ce2cdac2 | 328 | /* Parse the comma-separated list into TLS format. */ |
ff281ee8 | 329 | static int parse_protos(const char *protos, unsigned char **out, size_t *outlen) |
ce2cdac2 EK |
330 | { |
331 | size_t len, i, prefix; | |
332 | ||
333 | len = strlen(protos); | |
334 | ||
335 | /* Should never have reuse. */ | |
ff281ee8 P |
336 | if (!TEST_ptr_null(*out) |
337 | /* Test values are small, so we omit length limit checks. */ | |
338 | || !TEST_ptr(*out = OPENSSL_malloc(len + 1))) | |
339 | return 0; | |
ce2cdac2 EK |
340 | *outlen = len + 1; |
341 | ||
342 | /* | |
343 | * foo => '3', 'f', 'o', 'o' | |
344 | * foo,bar => '3', 'f', 'o', 'o', '3', 'b', 'a', 'r' | |
345 | */ | |
346 | memcpy(*out + 1, protos, len); | |
347 | ||
348 | prefix = 0; | |
349 | i = prefix + 1; | |
350 | while (i <= len) { | |
351 | if ((*out)[i] == ',') { | |
ff281ee8 P |
352 | if (!TEST_int_gt(i - 1, prefix)) |
353 | goto err; | |
3a63c0ed | 354 | (*out)[prefix] = (unsigned char)(i - 1 - prefix); |
ce2cdac2 EK |
355 | prefix = i; |
356 | } | |
357 | i++; | |
358 | } | |
ff281ee8 P |
359 | if (!TEST_int_gt(len, prefix)) |
360 | goto err; | |
3a63c0ed | 361 | (*out)[prefix] = (unsigned char)(len - prefix); |
ff281ee8 P |
362 | return 1; |
363 | ||
364 | err: | |
365 | OPENSSL_free(*out); | |
366 | *out = NULL; | |
367 | return 0; | |
ce2cdac2 EK |
368 | } |
369 | ||
7b7cea6d | 370 | #ifndef OPENSSL_NO_NEXTPROTONEG |
ce2cdac2 EK |
371 | /* |
372 | * The client SHOULD select the first protocol advertised by the server that it | |
373 | * also supports. In the event that the client doesn't support any of server's | |
374 | * protocols, or the server doesn't advertise any, it SHOULD select the first | |
375 | * protocol that it supports. | |
376 | */ | |
377 | static int client_npn_cb(SSL *s, unsigned char **out, unsigned char *outlen, | |
378 | const unsigned char *in, unsigned int inlen, | |
379 | void *arg) | |
380 | { | |
381 | CTX_DATA *ctx_data = (CTX_DATA*)(arg); | |
382 | int ret; | |
383 | ||
384 | ret = SSL_select_next_proto(out, outlen, in, inlen, | |
385 | ctx_data->npn_protocols, | |
386 | ctx_data->npn_protocols_len); | |
387 | /* Accept both OPENSSL_NPN_NEGOTIATED and OPENSSL_NPN_NO_OVERLAP. */ | |
ff281ee8 P |
388 | return TEST_true(ret == OPENSSL_NPN_NEGOTIATED || ret == OPENSSL_NPN_NO_OVERLAP) |
389 | ? SSL_TLSEXT_ERR_OK : SSL_TLSEXT_ERR_ALERT_FATAL; | |
ce2cdac2 EK |
390 | } |
391 | ||
392 | static int server_npn_cb(SSL *s, const unsigned char **data, | |
393 | unsigned int *len, void *arg) | |
394 | { | |
395 | CTX_DATA *ctx_data = (CTX_DATA*)(arg); | |
396 | *data = ctx_data->npn_protocols; | |
397 | *len = ctx_data->npn_protocols_len; | |
398 | return SSL_TLSEXT_ERR_OK; | |
399 | } | |
7b7cea6d | 400 | #endif |
ce2cdac2 EK |
401 | |
402 | /* | |
403 | * The server SHOULD select the most highly preferred protocol that it supports | |
404 | * and that is also advertised by the client. In the event that the server | |
405 | * supports no protocols that the client advertises, then the server SHALL | |
406 | * respond with a fatal "no_application_protocol" alert. | |
407 | */ | |
408 | static int server_alpn_cb(SSL *s, const unsigned char **out, | |
409 | unsigned char *outlen, const unsigned char *in, | |
410 | unsigned int inlen, void *arg) | |
411 | { | |
412 | CTX_DATA *ctx_data = (CTX_DATA*)(arg); | |
413 | int ret; | |
414 | ||
415 | /* SSL_select_next_proto isn't const-correct... */ | |
416 | unsigned char *tmp_out; | |
417 | ||
418 | /* | |
419 | * The result points either to |in| or to |ctx_data->alpn_protocols|. | |
420 | * The callback is allowed to point to |in| or to a long-lived buffer, | |
421 | * so we can return directly without storing a copy. | |
422 | */ | |
423 | ret = SSL_select_next_proto(&tmp_out, outlen, | |
424 | ctx_data->alpn_protocols, | |
425 | ctx_data->alpn_protocols_len, in, inlen); | |
426 | ||
427 | *out = tmp_out; | |
428 | /* Unlike NPN, we don't tolerate a mismatch. */ | |
429 | return ret == OPENSSL_NPN_NEGOTIATED ? SSL_TLSEXT_ERR_OK | |
8313a787 | 430 | : SSL_TLSEXT_ERR_ALERT_FATAL; |
ce2cdac2 | 431 | } |
ce2cdac2 | 432 | |
ea1ecd98 EK |
433 | #ifndef OPENSSL_NO_SRP |
434 | static char *client_srp_cb(SSL *s, void *arg) | |
435 | { | |
436 | CTX_DATA *ctx_data = (CTX_DATA*)(arg); | |
437 | return OPENSSL_strdup(ctx_data->srp_password); | |
438 | } | |
439 | ||
440 | static int server_srp_cb(SSL *s, int *ad, void *arg) | |
441 | { | |
442 | CTX_DATA *ctx_data = (CTX_DATA*)(arg); | |
443 | if (strcmp(ctx_data->srp_user, SSL_get_srp_username(s)) != 0) | |
444 | return SSL3_AL_FATAL; | |
445 | if (SSL_set_srp_server_param_pw(s, ctx_data->srp_user, | |
446 | ctx_data->srp_password, | |
447 | "2048" /* known group */) < 0) { | |
448 | *ad = SSL_AD_INTERNAL_ERROR; | |
449 | return SSL3_AL_FATAL; | |
450 | } | |
451 | return SSL_ERROR_NONE; | |
452 | } | |
453 | #endif /* !OPENSSL_NO_SRP */ | |
454 | ||
a263f320 EK |
455 | /* |
456 | * Configure callbacks and other properties that can't be set directly | |
457 | * in the server/client CONF. | |
458 | */ | |
ff281ee8 P |
459 | static int configure_handshake_ctx(SSL_CTX *server_ctx, SSL_CTX *server2_ctx, |
460 | SSL_CTX *client_ctx, | |
461 | const SSL_TEST_CTX *test, | |
462 | const SSL_TEST_EXTRA_CONF *extra, | |
463 | CTX_DATA *server_ctx_data, | |
464 | CTX_DATA *server2_ctx_data, | |
465 | CTX_DATA *client_ctx_data) | |
a263f320 | 466 | { |
590ed3d7 EK |
467 | unsigned char *ticket_keys; |
468 | size_t ticket_key_len; | |
469 | ||
ff281ee8 P |
470 | if (!TEST_int_eq(SSL_CTX_set_max_send_fragment(server_ctx, |
471 | test->max_fragment_size), 1)) | |
472 | goto err; | |
6dc99745 | 473 | if (server2_ctx != NULL) { |
ff281ee8 P |
474 | if (!TEST_int_eq(SSL_CTX_set_max_send_fragment(server2_ctx, |
475 | test->max_fragment_size), | |
476 | 1)) | |
477 | goto err; | |
6dc99745 | 478 | } |
ff281ee8 P |
479 | if (!TEST_int_eq(SSL_CTX_set_max_send_fragment(client_ctx, |
480 | test->max_fragment_size), 1)) | |
481 | goto err; | |
6dc99745 | 482 | |
9f48bbac | 483 | switch (extra->client.verify_callback) { |
a263f320 | 484 | case SSL_TEST_VERIFY_ACCEPT_ALL: |
ff281ee8 | 485 | SSL_CTX_set_cert_verify_callback(client_ctx, &verify_accept_cb, NULL); |
a263f320 EK |
486 | break; |
487 | case SSL_TEST_VERIFY_REJECT_ALL: | |
ff281ee8 | 488 | SSL_CTX_set_cert_verify_callback(client_ctx, &verify_reject_cb, NULL); |
a263f320 | 489 | break; |
f3b3d7f0 | 490 | case SSL_TEST_VERIFY_NONE: |
a263f320 EK |
491 | break; |
492 | } | |
81fc33c9 | 493 | |
cf72c757 F |
494 | switch (extra->client.max_fragment_len_mode) { |
495 | case TLSEXT_max_fragment_length_512: | |
496 | case TLSEXT_max_fragment_length_1024: | |
497 | case TLSEXT_max_fragment_length_2048: | |
498 | case TLSEXT_max_fragment_length_4096: | |
499 | case TLSEXT_max_fragment_length_DISABLED: | |
88e09fe7 BK |
500 | SSL_CTX_set_tlsext_max_fragment_length( |
501 | client_ctx, extra->client.max_fragment_len_mode); | |
cf72c757 F |
502 | break; |
503 | } | |
504 | ||
80de0c59 BK |
505 | /* |
506 | * Link the two contexts for SNI purposes. | |
a9c0d8be DB |
507 | * Also do ClientHello callbacks here, as setting both ClientHello and SNI |
508 | * is bad. | |
80de0c59 | 509 | */ |
9f48bbac | 510 | switch (extra->server.servername_callback) { |
d2b23cd2 EK |
511 | case SSL_TEST_SERVERNAME_IGNORE_MISMATCH: |
512 | SSL_CTX_set_tlsext_servername_callback(server_ctx, servername_ignore_cb); | |
513 | SSL_CTX_set_tlsext_servername_arg(server_ctx, server2_ctx); | |
514 | break; | |
515 | case SSL_TEST_SERVERNAME_REJECT_MISMATCH: | |
516 | SSL_CTX_set_tlsext_servername_callback(server_ctx, servername_reject_cb); | |
517 | SSL_CTX_set_tlsext_servername_arg(server_ctx, server2_ctx); | |
518 | break; | |
f3b3d7f0 | 519 | case SSL_TEST_SERVERNAME_CB_NONE: |
d2b23cd2 | 520 | break; |
a9c0d8be DB |
521 | case SSL_TEST_SERVERNAME_CLIENT_HELLO_IGNORE_MISMATCH: |
522 | SSL_CTX_set_client_hello_cb(server_ctx, client_hello_ignore_cb, server2_ctx); | |
80de0c59 | 523 | break; |
a9c0d8be DB |
524 | case SSL_TEST_SERVERNAME_CLIENT_HELLO_REJECT_MISMATCH: |
525 | SSL_CTX_set_client_hello_cb(server_ctx, client_hello_reject_cb, server2_ctx); | |
80de0c59 | 526 | break; |
a9c0d8be DB |
527 | case SSL_TEST_SERVERNAME_CLIENT_HELLO_NO_V12: |
528 | SSL_CTX_set_client_hello_cb(server_ctx, client_hello_nov12_cb, server2_ctx); | |
d2b23cd2 EK |
529 | } |
530 | ||
767ccc3b MC |
531 | if (extra->server.cert_status != SSL_TEST_CERT_STATUS_NONE) { |
532 | SSL_CTX_set_tlsext_status_type(client_ctx, TLSEXT_STATUSTYPE_ocsp); | |
533 | SSL_CTX_set_tlsext_status_cb(client_ctx, client_ocsp_cb); | |
534 | SSL_CTX_set_tlsext_status_arg(client_ctx, NULL); | |
535 | SSL_CTX_set_tlsext_status_cb(server_ctx, server_ocsp_cb); | |
536 | SSL_CTX_set_tlsext_status_arg(server_ctx, | |
537 | ((extra->server.cert_status == SSL_TEST_CERT_STATUS_GOOD_RESPONSE) | |
538 | ? &dummy_ocsp_resp_good_val : &dummy_ocsp_resp_bad_val)); | |
539 | } | |
540 | ||
81fc33c9 EK |
541 | /* |
542 | * The initial_ctx/session_ctx always handles the encrypt/decrypt of the | |
543 | * session ticket. This ticket_key callback is assigned to the second | |
544 | * session (assigned via SNI), and should never be invoked | |
545 | */ | |
d2b23cd2 EK |
546 | if (server2_ctx != NULL) |
547 | SSL_CTX_set_tlsext_ticket_key_cb(server2_ctx, | |
548 | do_not_call_session_ticket_cb); | |
81fc33c9 | 549 | |
9f48bbac | 550 | if (extra->server.broken_session_ticket) { |
a8c82fa0 | 551 | SSL_CTX_set_tlsext_ticket_key_cb(server_ctx, broken_session_ticket_cb); |
5c753de6 | 552 | } |
620c6ad3 | 553 | #ifndef OPENSSL_NO_NEXTPROTONEG |
9f48bbac | 554 | if (extra->server.npn_protocols != NULL) { |
ff281ee8 P |
555 | if (!TEST_true(parse_protos(extra->server.npn_protocols, |
556 | &server_ctx_data->npn_protocols, | |
557 | &server_ctx_data->npn_protocols_len))) | |
558 | goto err; | |
aff8c126 RS |
559 | SSL_CTX_set_npn_advertised_cb(server_ctx, server_npn_cb, |
560 | server_ctx_data); | |
ce2cdac2 | 561 | } |
9f48bbac | 562 | if (extra->server2.npn_protocols != NULL) { |
ff281ee8 P |
563 | if (!TEST_true(parse_protos(extra->server2.npn_protocols, |
564 | &server2_ctx_data->npn_protocols, | |
565 | &server2_ctx_data->npn_protocols_len)) | |
566 | || !TEST_ptr(server2_ctx)) | |
567 | goto err; | |
aff8c126 RS |
568 | SSL_CTX_set_npn_advertised_cb(server2_ctx, server_npn_cb, |
569 | server2_ctx_data); | |
ce2cdac2 | 570 | } |
9f48bbac | 571 | if (extra->client.npn_protocols != NULL) { |
ff281ee8 P |
572 | if (!TEST_true(parse_protos(extra->client.npn_protocols, |
573 | &client_ctx_data->npn_protocols, | |
574 | &client_ctx_data->npn_protocols_len))) | |
575 | goto err; | |
ce2cdac2 EK |
576 | SSL_CTX_set_next_proto_select_cb(client_ctx, client_npn_cb, |
577 | client_ctx_data); | |
578 | } | |
7b7cea6d | 579 | #endif |
9f48bbac | 580 | if (extra->server.alpn_protocols != NULL) { |
ff281ee8 P |
581 | if (!TEST_true(parse_protos(extra->server.alpn_protocols, |
582 | &server_ctx_data->alpn_protocols, | |
583 | &server_ctx_data->alpn_protocols_len))) | |
584 | goto err; | |
ce2cdac2 EK |
585 | SSL_CTX_set_alpn_select_cb(server_ctx, server_alpn_cb, server_ctx_data); |
586 | } | |
9f48bbac | 587 | if (extra->server2.alpn_protocols != NULL) { |
ff281ee8 P |
588 | if (!TEST_ptr(server2_ctx) |
589 | || !TEST_true(parse_protos(extra->server2.alpn_protocols, | |
590 | &server2_ctx_data->alpn_protocols, | |
591 | &server2_ctx_data->alpn_protocols_len | |
592 | ))) | |
593 | goto err; | |
594 | SSL_CTX_set_alpn_select_cb(server2_ctx, server_alpn_cb, | |
595 | server2_ctx_data); | |
ce2cdac2 | 596 | } |
9f48bbac | 597 | if (extra->client.alpn_protocols != NULL) { |
ce2cdac2 EK |
598 | unsigned char *alpn_protos = NULL; |
599 | size_t alpn_protos_len; | |
ff281ee8 P |
600 | if (!TEST_true(parse_protos(extra->client.alpn_protocols, |
601 | &alpn_protos, &alpn_protos_len)) | |
602 | /* Reversed return value convention... */ | |
603 | || !TEST_int_eq(SSL_CTX_set_alpn_protos(client_ctx, alpn_protos, | |
604 | alpn_protos_len), 0)) | |
605 | goto err; | |
ce2cdac2 EK |
606 | OPENSSL_free(alpn_protos); |
607 | } | |
7b7cea6d | 608 | |
590ed3d7 EK |
609 | /* |
610 | * Use fixed session ticket keys so that we can decrypt a ticket created with | |
611 | * one CTX in another CTX. Don't address server2 for the moment. | |
612 | */ | |
613 | ticket_key_len = SSL_CTX_set_tlsext_ticket_keys(server_ctx, NULL, 0); | |
ff281ee8 P |
614 | if (!TEST_ptr(ticket_keys = OPENSSL_zalloc(ticket_key_len)) |
615 | || !TEST_int_eq(SSL_CTX_set_tlsext_ticket_keys(server_ctx, | |
616 | ticket_keys, | |
617 | ticket_key_len), 1)) { | |
618 | OPENSSL_free(ticket_keys); | |
619 | goto err; | |
620 | } | |
590ed3d7 | 621 | OPENSSL_free(ticket_keys); |
da085d27 | 622 | |
be82f7b3 EK |
623 | /* The default log list includes EC keys, so CT can't work without EC. */ |
624 | #if !defined(OPENSSL_NO_CT) && !defined(OPENSSL_NO_EC) | |
ff281ee8 P |
625 | if (!TEST_true(SSL_CTX_set_default_ctlog_list_file(client_ctx))) |
626 | goto err; | |
da085d27 EK |
627 | switch (extra->client.ct_validation) { |
628 | case SSL_TEST_CT_VALIDATION_PERMISSIVE: | |
ff281ee8 P |
629 | if (!TEST_true(SSL_CTX_enable_ct(client_ctx, |
630 | SSL_CT_VALIDATION_PERMISSIVE))) | |
631 | goto err; | |
da085d27 EK |
632 | break; |
633 | case SSL_TEST_CT_VALIDATION_STRICT: | |
ff281ee8 P |
634 | if (!TEST_true(SSL_CTX_enable_ct(client_ctx, SSL_CT_VALIDATION_STRICT))) |
635 | goto err; | |
da085d27 EK |
636 | break; |
637 | case SSL_TEST_CT_VALIDATION_NONE: | |
638 | break; | |
639 | } | |
640 | #endif | |
ea1ecd98 EK |
641 | #ifndef OPENSSL_NO_SRP |
642 | if (extra->server.srp_user != NULL) { | |
643 | SSL_CTX_set_srp_username_callback(server_ctx, server_srp_cb); | |
644 | server_ctx_data->srp_user = OPENSSL_strdup(extra->server.srp_user); | |
645 | server_ctx_data->srp_password = OPENSSL_strdup(extra->server.srp_password); | |
646 | SSL_CTX_set_srp_cb_arg(server_ctx, server_ctx_data); | |
647 | } | |
648 | if (extra->server2.srp_user != NULL) { | |
ff281ee8 P |
649 | if (!TEST_ptr(server2_ctx)) |
650 | goto err; | |
ea1ecd98 EK |
651 | SSL_CTX_set_srp_username_callback(server2_ctx, server_srp_cb); |
652 | server2_ctx_data->srp_user = OPENSSL_strdup(extra->server2.srp_user); | |
653 | server2_ctx_data->srp_password = OPENSSL_strdup(extra->server2.srp_password); | |
654 | SSL_CTX_set_srp_cb_arg(server2_ctx, server2_ctx_data); | |
655 | } | |
656 | if (extra->client.srp_user != NULL) { | |
ff281ee8 P |
657 | if (!TEST_true(SSL_CTX_set_srp_username(client_ctx, |
658 | extra->client.srp_user))) | |
659 | goto err; | |
ea1ecd98 EK |
660 | SSL_CTX_set_srp_client_pwd_callback(client_ctx, client_srp_cb); |
661 | client_ctx_data->srp_password = OPENSSL_strdup(extra->client.srp_password); | |
662 | SSL_CTX_set_srp_cb_arg(client_ctx, client_ctx_data); | |
663 | } | |
664 | #endif /* !OPENSSL_NO_SRP */ | |
ff281ee8 P |
665 | return 1; |
666 | err: | |
667 | return 0; | |
5c753de6 TS |
668 | } |
669 | ||
ce2cdac2 | 670 | /* Configure per-SSL callbacks and other properties. */ |
5c753de6 | 671 | static void configure_handshake_ssl(SSL *server, SSL *client, |
9f48bbac | 672 | const SSL_TEST_EXTRA_CONF *extra) |
5c753de6 | 673 | { |
9f48bbac | 674 | if (extra->client.servername != SSL_TEST_SERVERNAME_NONE) |
81fc33c9 | 675 | SSL_set_tlsext_host_name(client, |
9f48bbac | 676 | ssl_servername_name(extra->client.servername)); |
a263f320 EK |
677 | } |
678 | ||
e0421bd8 | 679 | /* The status for each connection phase. */ |
453dfd8d EK |
680 | typedef enum { |
681 | PEER_SUCCESS, | |
682 | PEER_RETRY, | |
83964ca0 | 683 | PEER_ERROR, |
ff281ee8 P |
684 | PEER_WAITING, |
685 | PEER_TEST_FAILURE | |
453dfd8d EK |
686 | } peer_status_t; |
687 | ||
e0421bd8 EK |
688 | /* An SSL object and associated read-write buffers. */ |
689 | typedef struct peer_st { | |
690 | SSL *ssl; | |
691 | /* Buffer lengths are int to match the SSL read/write API. */ | |
692 | unsigned char *write_buf; | |
693 | int write_buf_len; | |
694 | unsigned char *read_buf; | |
695 | int read_buf_len; | |
696 | int bytes_to_write; | |
697 | int bytes_to_read; | |
698 | peer_status_t status; | |
699 | } PEER; | |
700 | ||
ff281ee8 | 701 | static int create_peer(PEER *peer, SSL_CTX *ctx) |
e0421bd8 EK |
702 | { |
703 | static const int peer_buffer_size = 64 * 1024; | |
ff281ee8 P |
704 | SSL *ssl = NULL; |
705 | unsigned char *read_buf = NULL, *write_buf = NULL; | |
706 | ||
707 | if (!TEST_ptr(ssl = SSL_new(ctx)) | |
708 | || !TEST_ptr(write_buf = OPENSSL_zalloc(peer_buffer_size)) | |
709 | || !TEST_ptr(read_buf = OPENSSL_zalloc(peer_buffer_size))) | |
710 | goto err; | |
e0421bd8 | 711 | |
ff281ee8 P |
712 | peer->ssl = ssl; |
713 | peer->write_buf = write_buf; | |
714 | peer->read_buf = read_buf; | |
e0421bd8 | 715 | peer->write_buf_len = peer->read_buf_len = peer_buffer_size; |
ff281ee8 P |
716 | return 1; |
717 | err: | |
718 | SSL_free(ssl); | |
719 | OPENSSL_free(write_buf); | |
720 | OPENSSL_free(read_buf); | |
721 | return 0; | |
e0421bd8 EK |
722 | } |
723 | ||
724 | static void peer_free_data(PEER *peer) | |
725 | { | |
726 | SSL_free(peer->ssl); | |
727 | OPENSSL_free(peer->write_buf); | |
728 | OPENSSL_free(peer->read_buf); | |
729 | } | |
730 | ||
731 | /* | |
732 | * Note that we could do the handshake transparently under an SSL_write, | |
733 | * but separating the steps is more helpful for debugging test failures. | |
734 | */ | |
735 | static void do_handshake_step(PEER *peer) | |
736 | { | |
ff281ee8 P |
737 | if (!TEST_int_eq(peer->status, PEER_RETRY)) { |
738 | peer->status = PEER_TEST_FAILURE; | |
e0421bd8 | 739 | } else { |
ff281ee8 P |
740 | int ret = SSL_do_handshake(peer->ssl); |
741 | ||
742 | if (ret == 1) { | |
743 | peer->status = PEER_SUCCESS; | |
744 | } else if (ret == 0) { | |
e0421bd8 | 745 | peer->status = PEER_ERROR; |
ff281ee8 P |
746 | } else { |
747 | int error = SSL_get_error(peer->ssl, ret); | |
748 | /* Memory bios should never block with SSL_ERROR_WANT_WRITE. */ | |
749 | if (error != SSL_ERROR_WANT_READ) | |
750 | peer->status = PEER_ERROR; | |
751 | } | |
e0421bd8 EK |
752 | } |
753 | } | |
754 | ||
755 | /*- | |
756 | * Send/receive some application data. The read-write sequence is | |
757 | * Peer A: (R) W - first read will yield no data | |
758 | * Peer B: R W | |
759 | * ... | |
760 | * Peer A: R W | |
761 | * Peer B: R W | |
762 | * Peer A: R | |
763 | */ | |
764 | static void do_app_data_step(PEER *peer) | |
765 | { | |
766 | int ret = 1, write_bytes; | |
767 | ||
ff281ee8 P |
768 | if (!TEST_int_eq(peer->status, PEER_RETRY)) { |
769 | peer->status = PEER_TEST_FAILURE; | |
770 | return; | |
771 | } | |
e0421bd8 EK |
772 | |
773 | /* We read everything available... */ | |
774 | while (ret > 0 && peer->bytes_to_read) { | |
775 | ret = SSL_read(peer->ssl, peer->read_buf, peer->read_buf_len); | |
776 | if (ret > 0) { | |
ff281ee8 P |
777 | if (!TEST_int_le(ret, peer->bytes_to_read)) { |
778 | peer->status = PEER_TEST_FAILURE; | |
779 | return; | |
780 | } | |
e0421bd8 EK |
781 | peer->bytes_to_read -= ret; |
782 | } else if (ret == 0) { | |
783 | peer->status = PEER_ERROR; | |
784 | return; | |
785 | } else { | |
786 | int error = SSL_get_error(peer->ssl, ret); | |
787 | if (error != SSL_ERROR_WANT_READ) { | |
788 | peer->status = PEER_ERROR; | |
789 | return; | |
790 | } /* Else continue with write. */ | |
791 | } | |
792 | } | |
793 | ||
794 | /* ... but we only write one write-buffer-full of data. */ | |
795 | write_bytes = peer->bytes_to_write < peer->write_buf_len ? peer->bytes_to_write : | |
796 | peer->write_buf_len; | |
797 | if (write_bytes) { | |
798 | ret = SSL_write(peer->ssl, peer->write_buf, write_bytes); | |
799 | if (ret > 0) { | |
800 | /* SSL_write will only succeed with a complete write. */ | |
ff281ee8 P |
801 | if (!TEST_int_eq(ret, write_bytes)) { |
802 | peer->status = PEER_TEST_FAILURE; | |
803 | return; | |
804 | } | |
e0421bd8 EK |
805 | peer->bytes_to_write -= ret; |
806 | } else { | |
807 | /* | |
808 | * We should perhaps check for SSL_ERROR_WANT_READ/WRITE here | |
809 | * but this doesn't yet occur with current app data sizes. | |
810 | */ | |
811 | peer->status = PEER_ERROR; | |
812 | return; | |
813 | } | |
814 | } | |
815 | ||
816 | /* | |
817 | * We could simply finish when there was nothing to read, and we have | |
818 | * nothing left to write. But keeping track of the expected number of bytes | |
819 | * to read gives us somewhat better guarantees that all data sent is in fact | |
820 | * received. | |
821 | */ | |
822 | if (!peer->bytes_to_write && !peer->bytes_to_read) { | |
823 | peer->status = PEER_SUCCESS; | |
824 | } | |
825 | } | |
826 | ||
fe7dd553 | 827 | static void do_reneg_setup_step(const SSL_TEST_CTX *test_ctx, PEER *peer) |
e42c4544 MC |
828 | { |
829 | int ret; | |
830 | char buf; | |
831 | ||
84344efa TS |
832 | if (peer->status == PEER_SUCCESS) { |
833 | /* | |
834 | * We are a client that succeeded this step previously, but the server | |
835 | * wanted to retry. Probably there is a no_renegotiation warning alert | |
836 | * waiting for us. Attempt to continue the handshake. | |
837 | */ | |
838 | peer->status = PEER_RETRY; | |
839 | do_handshake_step(peer); | |
840 | return; | |
841 | } | |
c2500f65 | 842 | |
ff281ee8 P |
843 | if (!TEST_int_eq(peer->status, PEER_RETRY) |
844 | || !TEST_true(test_ctx->handshake_mode | |
845 | == SSL_TEST_HANDSHAKE_RENEG_SERVER | |
846 | || test_ctx->handshake_mode | |
847 | == SSL_TEST_HANDSHAKE_RENEG_CLIENT | |
848 | || test_ctx->handshake_mode | |
849 | == SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER | |
850 | || test_ctx->handshake_mode | |
851 | == SSL_TEST_HANDSHAKE_KEY_UPDATE_CLIENT)) { | |
852 | peer->status = PEER_TEST_FAILURE; | |
853 | return; | |
854 | } | |
9b92f161 MC |
855 | |
856 | /* Reset the count of the amount of app data we need to read/write */ | |
857 | peer->bytes_to_write = peer->bytes_to_read = test_ctx->app_data_size; | |
fe7dd553 MC |
858 | |
859 | /* Check if we are the peer that is going to initiate */ | |
860 | if ((test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_RENEG_SERVER | |
861 | && SSL_is_server(peer->ssl)) | |
862 | || (test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_RENEG_CLIENT | |
863 | && !SSL_is_server(peer->ssl))) { | |
e42c4544 | 864 | /* |
fe7dd553 MC |
865 | * If we already asked for a renegotiation then fall through to the |
866 | * SSL_read() below. | |
e42c4544 | 867 | */ |
fe7dd553 MC |
868 | if (!SSL_renegotiate_pending(peer->ssl)) { |
869 | /* | |
870 | * If we are the client we will always attempt to resume the | |
44e69951 | 871 | * session. The server may or may not resume dependent on the |
fe7dd553 MC |
872 | * setting of SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION |
873 | */ | |
cc22cd54 | 874 | if (SSL_is_server(peer->ssl)) { |
fe7dd553 | 875 | ret = SSL_renegotiate(peer->ssl); |
cc22cd54 MC |
876 | } else { |
877 | if (test_ctx->extra.client.reneg_ciphers != NULL) { | |
878 | if (!SSL_set_cipher_list(peer->ssl, | |
879 | test_ctx->extra.client.reneg_ciphers)) { | |
880 | peer->status = PEER_ERROR; | |
881 | return; | |
882 | } | |
883 | ret = SSL_renegotiate(peer->ssl); | |
884 | } else { | |
885 | ret = SSL_renegotiate_abbreviated(peer->ssl); | |
886 | } | |
887 | } | |
fe7dd553 MC |
888 | if (!ret) { |
889 | peer->status = PEER_ERROR; | |
890 | return; | |
891 | } | |
892 | do_handshake_step(peer); | |
893 | /* | |
894 | * If status is PEER_RETRY it means we're waiting on the peer to | |
895 | * continue the handshake. As far as setting up the renegotiation is | |
896 | * concerned that is a success. The next step will continue the | |
897 | * handshake to its conclusion. | |
898 | * | |
899 | * If status is PEER_SUCCESS then we are the server and we have | |
900 | * successfully sent the HelloRequest. We need to continue to wait | |
901 | * until the handshake arrives from the client. | |
902 | */ | |
903 | if (peer->status == PEER_RETRY) | |
904 | peer->status = PEER_SUCCESS; | |
905 | else if (peer->status == PEER_SUCCESS) | |
906 | peer->status = PEER_RETRY; | |
907 | return; | |
908 | } | |
9b92f161 MC |
909 | } else if (test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER |
910 | || test_ctx->handshake_mode | |
911 | == SSL_TEST_HANDSHAKE_KEY_UPDATE_CLIENT) { | |
912 | if (SSL_is_server(peer->ssl) | |
913 | != (test_ctx->handshake_mode | |
914 | == SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER)) { | |
915 | peer->status = PEER_SUCCESS; | |
916 | return; | |
917 | } | |
918 | ||
919 | ret = SSL_key_update(peer->ssl, test_ctx->key_update_type); | |
920 | if (!ret) { | |
921 | peer->status = PEER_ERROR; | |
922 | return; | |
923 | } | |
924 | do_handshake_step(peer); | |
925 | /* | |
926 | * This is a one step handshake. We shouldn't get anything other than | |
927 | * PEER_SUCCESS | |
928 | */ | |
929 | if (peer->status != PEER_SUCCESS) | |
930 | peer->status = PEER_ERROR; | |
931 | return; | |
e42c4544 MC |
932 | } |
933 | ||
934 | /* | |
935 | * The SSL object is still expecting app data, even though it's going to | |
936 | * get a handshake message. We try to read, and it should fail - after which | |
937 | * we should be in a handshake | |
938 | */ | |
939 | ret = SSL_read(peer->ssl, &buf, sizeof(buf)); | |
940 | if (ret >= 0) { | |
fe7dd553 MC |
941 | /* |
942 | * We're not actually expecting data - we're expecting a reneg to | |
943 | * start | |
944 | */ | |
e42c4544 MC |
945 | peer->status = PEER_ERROR; |
946 | return; | |
947 | } else { | |
948 | int error = SSL_get_error(peer->ssl, ret); | |
fe7dd553 | 949 | if (error != SSL_ERROR_WANT_READ) { |
e42c4544 MC |
950 | peer->status = PEER_ERROR; |
951 | return; | |
952 | } | |
9b92f161 | 953 | /* If we're not in init yet then we're not done with setup yet */ |
fe7dd553 MC |
954 | if (!SSL_in_init(peer->ssl)) |
955 | return; | |
e42c4544 MC |
956 | } |
957 | ||
958 | peer->status = PEER_SUCCESS; | |
959 | } | |
960 | ||
961 | ||
590ed3d7 EK |
962 | /* |
963 | * RFC 5246 says: | |
964 | * | |
965 | * Note that as of TLS 1.1, | |
966 | * failure to properly close a connection no longer requires that a | |
967 | * session not be resumed. This is a change from TLS 1.0 to conform | |
968 | * with widespread implementation practice. | |
969 | * | |
970 | * However, | |
971 | * (a) OpenSSL requires that a connection be shutdown for all protocol versions. | |
972 | * (b) We test lower versions, too. | |
973 | * So we just implement shutdown. We do a full bidirectional shutdown so that we | |
974 | * can compare sent and received close_notify alerts and get some test coverage | |
975 | * for SSL_shutdown as a bonus. | |
976 | */ | |
e0421bd8 | 977 | static void do_shutdown_step(PEER *peer) |
453dfd8d EK |
978 | { |
979 | int ret; | |
980 | ||
ff281ee8 P |
981 | if (!TEST_int_eq(peer->status, PEER_RETRY)) { |
982 | peer->status = PEER_TEST_FAILURE; | |
983 | return; | |
984 | } | |
e0421bd8 | 985 | ret = SSL_shutdown(peer->ssl); |
453dfd8d EK |
986 | |
987 | if (ret == 1) { | |
e0421bd8 EK |
988 | peer->status = PEER_SUCCESS; |
989 | } else if (ret < 0) { /* On 0, we retry. */ | |
990 | int error = SSL_get_error(peer->ssl, ret); | |
83964ca0 MC |
991 | |
992 | if (error != SSL_ERROR_WANT_READ && error != SSL_ERROR_WANT_WRITE) | |
e0421bd8 EK |
993 | peer->status = PEER_ERROR; |
994 | } | |
995 | } | |
996 | ||
997 | typedef enum { | |
998 | HANDSHAKE, | |
e42c4544 MC |
999 | RENEG_APPLICATION_DATA, |
1000 | RENEG_SETUP, | |
1001 | RENEG_HANDSHAKE, | |
e0421bd8 EK |
1002 | APPLICATION_DATA, |
1003 | SHUTDOWN, | |
1004 | CONNECTION_DONE | |
1005 | } connect_phase_t; | |
1006 | ||
e42c4544 MC |
1007 | static connect_phase_t next_phase(const SSL_TEST_CTX *test_ctx, |
1008 | connect_phase_t phase) | |
e0421bd8 EK |
1009 | { |
1010 | switch (phase) { | |
1011 | case HANDSHAKE: | |
fe7dd553 | 1012 | if (test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_RENEG_SERVER |
9b92f161 MC |
1013 | || test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_RENEG_CLIENT |
1014 | || test_ctx->handshake_mode | |
1015 | == SSL_TEST_HANDSHAKE_KEY_UPDATE_CLIENT | |
1016 | || test_ctx->handshake_mode | |
1017 | == SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER) | |
e42c4544 MC |
1018 | return RENEG_APPLICATION_DATA; |
1019 | return APPLICATION_DATA; | |
1020 | case RENEG_APPLICATION_DATA: | |
1021 | return RENEG_SETUP; | |
1022 | case RENEG_SETUP: | |
9b92f161 MC |
1023 | if (test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER |
1024 | || test_ctx->handshake_mode | |
1025 | == SSL_TEST_HANDSHAKE_KEY_UPDATE_CLIENT) | |
1026 | return APPLICATION_DATA; | |
e42c4544 MC |
1027 | return RENEG_HANDSHAKE; |
1028 | case RENEG_HANDSHAKE: | |
e0421bd8 EK |
1029 | return APPLICATION_DATA; |
1030 | case APPLICATION_DATA: | |
1031 | return SHUTDOWN; | |
1032 | case SHUTDOWN: | |
1033 | return CONNECTION_DONE; | |
f3b3d7f0 | 1034 | case CONNECTION_DONE: |
ff281ee8 | 1035 | TEST_error("Trying to progress after connection done"); |
f3b3d7f0 | 1036 | break; |
e0421bd8 | 1037 | } |
f3b3d7f0 | 1038 | return -1; |
e0421bd8 EK |
1039 | } |
1040 | ||
fe7dd553 MC |
1041 | static void do_connect_step(const SSL_TEST_CTX *test_ctx, PEER *peer, |
1042 | connect_phase_t phase) | |
e0421bd8 EK |
1043 | { |
1044 | switch (phase) { | |
1045 | case HANDSHAKE: | |
1046 | do_handshake_step(peer); | |
1047 | break; | |
e42c4544 MC |
1048 | case RENEG_APPLICATION_DATA: |
1049 | do_app_data_step(peer); | |
1050 | break; | |
1051 | case RENEG_SETUP: | |
fe7dd553 | 1052 | do_reneg_setup_step(test_ctx, peer); |
e42c4544 MC |
1053 | break; |
1054 | case RENEG_HANDSHAKE: | |
1055 | do_handshake_step(peer); | |
1056 | break; | |
e0421bd8 EK |
1057 | case APPLICATION_DATA: |
1058 | do_app_data_step(peer); | |
1059 | break; | |
1060 | case SHUTDOWN: | |
1061 | do_shutdown_step(peer); | |
1062 | break; | |
f3b3d7f0 | 1063 | case CONNECTION_DONE: |
ff281ee8 | 1064 | TEST_error("Action after connection done"); |
f3b3d7f0 | 1065 | break; |
453dfd8d EK |
1066 | } |
1067 | } | |
1068 | ||
1069 | typedef enum { | |
1070 | /* Both parties succeeded. */ | |
1071 | HANDSHAKE_SUCCESS, | |
1072 | /* Client errored. */ | |
1073 | CLIENT_ERROR, | |
1074 | /* Server errored. */ | |
1075 | SERVER_ERROR, | |
1076 | /* Peers are in inconsistent state. */ | |
1077 | INTERNAL_ERROR, | |
1078 | /* One or both peers not done. */ | |
1079 | HANDSHAKE_RETRY | |
1080 | } handshake_status_t; | |
1081 | ||
1082 | /* | |
1083 | * Determine the handshake outcome. | |
1084 | * last_status: the status of the peer to have acted last. | |
1085 | * previous_status: the status of the peer that didn't act last. | |
1086 | * client_spoke_last: 1 if the client went last. | |
1087 | */ | |
1088 | static handshake_status_t handshake_status(peer_status_t last_status, | |
1089 | peer_status_t previous_status, | |
1090 | int client_spoke_last) | |
1091 | { | |
1092 | switch (last_status) { | |
ff281ee8 P |
1093 | case PEER_TEST_FAILURE: |
1094 | return INTERNAL_ERROR; | |
1095 | ||
561f6f1e MC |
1096 | case PEER_WAITING: |
1097 | /* Shouldn't ever happen */ | |
1098 | return INTERNAL_ERROR; | |
1099 | ||
453dfd8d EK |
1100 | case PEER_SUCCESS: |
1101 | switch (previous_status) { | |
ff281ee8 P |
1102 | case PEER_TEST_FAILURE: |
1103 | return INTERNAL_ERROR; | |
453dfd8d EK |
1104 | case PEER_SUCCESS: |
1105 | /* Both succeeded. */ | |
1106 | return HANDSHAKE_SUCCESS; | |
561f6f1e | 1107 | case PEER_WAITING: |
453dfd8d EK |
1108 | case PEER_RETRY: |
1109 | /* Let the first peer finish. */ | |
1110 | return HANDSHAKE_RETRY; | |
1111 | case PEER_ERROR: | |
1112 | /* | |
1113 | * Second peer succeeded despite the fact that the first peer | |
1114 | * already errored. This shouldn't happen. | |
1115 | */ | |
1116 | return INTERNAL_ERROR; | |
1117 | } | |
1118 | ||
1119 | case PEER_RETRY: | |
83964ca0 MC |
1120 | return HANDSHAKE_RETRY; |
1121 | ||
453dfd8d EK |
1122 | case PEER_ERROR: |
1123 | switch (previous_status) { | |
ff281ee8 P |
1124 | case PEER_TEST_FAILURE: |
1125 | return INTERNAL_ERROR; | |
83964ca0 MC |
1126 | case PEER_WAITING: |
1127 | /* The client failed immediately before sending the ClientHello */ | |
1128 | return client_spoke_last ? CLIENT_ERROR : INTERNAL_ERROR; | |
453dfd8d EK |
1129 | case PEER_SUCCESS: |
1130 | /* | |
1131 | * First peer succeeded but second peer errored. | |
1132 | * TODO(emilia): we should be able to continue here (with some | |
1133 | * application data?) to ensure the first peer receives the | |
1134 | * alert / close_notify. | |
e0421bd8 | 1135 | * (No tests currently exercise this branch.) |
453dfd8d EK |
1136 | */ |
1137 | return client_spoke_last ? CLIENT_ERROR : SERVER_ERROR; | |
1138 | case PEER_RETRY: | |
1139 | /* We errored; let the peer finish. */ | |
1140 | return HANDSHAKE_RETRY; | |
1141 | case PEER_ERROR: | |
1142 | /* Both peers errored. Return the one that errored first. */ | |
1143 | return client_spoke_last ? SERVER_ERROR : CLIENT_ERROR; | |
1144 | } | |
1145 | } | |
1146 | /* Control should never reach here. */ | |
1147 | return INTERNAL_ERROR; | |
1148 | } | |
1149 | ||
ce2cdac2 EK |
1150 | /* Convert unsigned char buf's that shouldn't contain any NUL-bytes to char. */ |
1151 | static char *dup_str(const unsigned char *in, size_t len) | |
1152 | { | |
ff281ee8 | 1153 | char *ret = NULL; |
ce2cdac2 | 1154 | |
28b86f31 | 1155 | if (len == 0) |
ce2cdac2 EK |
1156 | return NULL; |
1157 | ||
1158 | /* Assert that the string does not contain NUL-bytes. */ | |
ff281ee8 P |
1159 | if (TEST_size_t_eq(OPENSSL_strnlen((const char*)(in), len), len)) |
1160 | TEST_ptr(ret = OPENSSL_strndup((const char*)(in), len)); | |
ce2cdac2 EK |
1161 | return ret; |
1162 | } | |
1163 | ||
7f5f35af DSH |
1164 | static int pkey_type(EVP_PKEY *pkey) |
1165 | { | |
1166 | int nid = EVP_PKEY_id(pkey); | |
1167 | ||
1168 | #ifndef OPENSSL_NO_EC | |
1169 | if (nid == EVP_PKEY_EC) { | |
1170 | const EC_KEY *ec = EVP_PKEY_get0_EC_KEY(pkey); | |
1171 | return EC_GROUP_get_curve_name(EC_KEY_get0_group(ec)); | |
1172 | } | |
1173 | #endif | |
1174 | return nid; | |
1175 | } | |
1176 | ||
1177 | static int peer_pkey_type(SSL *s) | |
1178 | { | |
1179 | X509 *x = SSL_get_peer_certificate(s); | |
1180 | ||
1181 | if (x != NULL) { | |
1182 | int nid = pkey_type(X509_get0_pubkey(x)); | |
1183 | ||
1184 | X509_free(x); | |
1185 | return nid; | |
1186 | } | |
1187 | return NID_undef; | |
1188 | } | |
1189 | ||
83964ca0 MC |
1190 | #if !defined(OPENSSL_NO_SCTP) && !defined(OPENSSL_NO_SOCK) |
1191 | static int set_sock_as_sctp(int sock) | |
1192 | { | |
1193 | /* | |
1194 | * For SCTP we have to set various options on the socket prior to | |
1195 | * connecting. This is done automatically by BIO_new_dgram_sctp(). | |
1196 | * We don't actually need the created BIO though so we free it again | |
1197 | * immediately. | |
1198 | */ | |
1199 | BIO *tmpbio = BIO_new_dgram_sctp(sock, BIO_NOCLOSE); | |
1200 | ||
1201 | if (tmpbio == NULL) | |
1202 | return 0; | |
1203 | BIO_free(tmpbio); | |
1204 | ||
1205 | return 1; | |
1206 | } | |
1207 | ||
1208 | static int create_sctp_socks(int *ssock, int *csock) | |
1209 | { | |
1210 | BIO_ADDRINFO *res = NULL; | |
1211 | const BIO_ADDRINFO *ai = NULL; | |
1212 | int lsock = INVALID_SOCKET, asock = INVALID_SOCKET; | |
1213 | int consock = INVALID_SOCKET; | |
1214 | int ret = 0; | |
1215 | int family = 0; | |
1216 | ||
9e1d5e8d | 1217 | if (BIO_sock_init() != 1) |
83964ca0 MC |
1218 | return 0; |
1219 | ||
1220 | /* | |
1221 | * Port is 4463. It could be anything. It will fail if it's already being | |
1222 | * used for some other SCTP service. It seems unlikely though so we don't | |
1223 | * worry about it here. | |
1224 | */ | |
1225 | if (!BIO_lookup_ex(NULL, "4463", BIO_LOOKUP_SERVER, family, SOCK_STREAM, | |
1226 | IPPROTO_SCTP, &res)) | |
1227 | return 0; | |
1228 | ||
1229 | for (ai = res; ai != NULL; ai = BIO_ADDRINFO_next(ai)) { | |
1230 | family = BIO_ADDRINFO_family(ai); | |
1231 | lsock = BIO_socket(family, SOCK_STREAM, IPPROTO_SCTP, 0); | |
1232 | if (lsock == INVALID_SOCKET) { | |
1233 | /* Maybe the kernel doesn't support the socket family, even if | |
1234 | * BIO_lookup() added it in the returned result... | |
1235 | */ | |
1236 | continue; | |
1237 | } | |
1238 | ||
1239 | if (!set_sock_as_sctp(lsock) | |
1240 | || !BIO_listen(lsock, BIO_ADDRINFO_address(ai), | |
1241 | BIO_SOCK_REUSEADDR)) { | |
1242 | BIO_closesocket(lsock); | |
1243 | lsock = INVALID_SOCKET; | |
1244 | continue; | |
1245 | } | |
1246 | ||
1247 | /* Success, don't try any more addresses */ | |
1248 | break; | |
1249 | } | |
1250 | ||
1251 | if (lsock == INVALID_SOCKET) | |
1252 | goto err; | |
1253 | ||
1254 | BIO_ADDRINFO_free(res); | |
1255 | res = NULL; | |
1256 | ||
1257 | if (!BIO_lookup_ex(NULL, "4463", BIO_LOOKUP_CLIENT, family, SOCK_STREAM, | |
1258 | IPPROTO_SCTP, &res)) | |
1259 | goto err; | |
1260 | ||
1261 | consock = BIO_socket(family, SOCK_STREAM, IPPROTO_SCTP, 0); | |
1262 | if (consock == INVALID_SOCKET) | |
1263 | goto err; | |
1264 | ||
1265 | if (!set_sock_as_sctp(consock) | |
1266 | || !BIO_connect(consock, BIO_ADDRINFO_address(res), 0) | |
1267 | || !BIO_socket_nbio(consock, 1)) | |
1268 | goto err; | |
1269 | ||
1270 | asock = BIO_accept_ex(lsock, NULL, BIO_SOCK_NONBLOCK); | |
1271 | if (asock == INVALID_SOCKET) | |
1272 | goto err; | |
1273 | ||
1274 | *csock = consock; | |
1275 | *ssock = asock; | |
1276 | consock = asock = INVALID_SOCKET; | |
1277 | ret = 1; | |
1278 | ||
1279 | err: | |
1280 | BIO_ADDRINFO_free(res); | |
1281 | if (consock != INVALID_SOCKET) | |
1282 | BIO_closesocket(consock); | |
1283 | if (lsock != INVALID_SOCKET) | |
1284 | BIO_closesocket(lsock); | |
1285 | if (asock != INVALID_SOCKET) | |
1286 | BIO_closesocket(asock); | |
1287 | return ret; | |
1288 | } | |
1289 | #endif | |
1290 | ||
6dc99745 EK |
1291 | /* |
1292 | * Note that |extra| points to the correct client/server configuration | |
1293 | * within |test_ctx|. When configuring the handshake, general mode settings | |
1294 | * are taken from |test_ctx|, and client/server-specific settings should be | |
1295 | * taken from |extra|. | |
1296 | * | |
1297 | * The configuration code should never reach into |test_ctx->extra| or | |
1298 | * |test_ctx->resume_extra| directly. | |
1299 | * | |
1300 | * (We could refactor test mode settings into a substructure. This would result | |
1301 | * in cleaner argument passing but would complicate the test configuration | |
1302 | * parsing.) | |
1303 | */ | |
590ed3d7 EK |
1304 | static HANDSHAKE_RESULT *do_handshake_internal( |
1305 | SSL_CTX *server_ctx, SSL_CTX *server2_ctx, SSL_CTX *client_ctx, | |
6dc99745 | 1306 | const SSL_TEST_CTX *test_ctx, const SSL_TEST_EXTRA_CONF *extra, |
e0421bd8 | 1307 | SSL_SESSION *session_in, SSL_SESSION **session_out) |
453dfd8d | 1308 | { |
e0421bd8 | 1309 | PEER server, client; |
83964ca0 | 1310 | BIO *client_to_server = NULL, *server_to_client = NULL; |
453dfd8d | 1311 | HANDSHAKE_EX_DATA server_ex_data, client_ex_data; |
ce2cdac2 EK |
1312 | CTX_DATA client_ctx_data, server_ctx_data, server2_ctx_data; |
1313 | HANDSHAKE_RESULT *ret = HANDSHAKE_RESULT_new(); | |
ceb6d746 | 1314 | int client_turn = 1, client_turn_count = 0; |
e0421bd8 | 1315 | connect_phase_t phase = HANDSHAKE; |
453dfd8d | 1316 | handshake_status_t status = HANDSHAKE_RETRY; |
48593cb1 | 1317 | const unsigned char* tick = NULL; |
ce2cdac2 | 1318 | size_t tick_len = 0; |
a84e5c9a TS |
1319 | const unsigned char* sess_id = NULL; |
1320 | unsigned int sess_id_len = 0; | |
5c753de6 | 1321 | SSL_SESSION* sess = NULL; |
ce2cdac2 EK |
1322 | const unsigned char *proto = NULL; |
1323 | /* API dictates unsigned int rather than size_t. */ | |
1324 | unsigned int proto_len = 0; | |
b93ad05d | 1325 | EVP_PKEY *tmp_key; |
f15b50c4 | 1326 | const STACK_OF(X509_NAME) *names; |
83964ca0 | 1327 | time_t start; |
e1c7871d | 1328 | const char* cipher; |
453dfd8d | 1329 | |
ff281ee8 P |
1330 | if (ret == NULL) |
1331 | return NULL; | |
1332 | ||
ce2cdac2 EK |
1333 | memset(&server_ctx_data, 0, sizeof(server_ctx_data)); |
1334 | memset(&server2_ctx_data, 0, sizeof(server2_ctx_data)); | |
1335 | memset(&client_ctx_data, 0, sizeof(client_ctx_data)); | |
e0421bd8 EK |
1336 | memset(&server, 0, sizeof(server)); |
1337 | memset(&client, 0, sizeof(client)); | |
20e237c0 P |
1338 | memset(&server_ex_data, 0, sizeof(server_ex_data)); |
1339 | memset(&client_ex_data, 0, sizeof(client_ex_data)); | |
ce2cdac2 | 1340 | |
ff281ee8 P |
1341 | if (!configure_handshake_ctx(server_ctx, server2_ctx, client_ctx, |
1342 | test_ctx, extra, &server_ctx_data, | |
1343 | &server2_ctx_data, &client_ctx_data)) { | |
1344 | TEST_note("configure_handshake_ctx"); | |
1345 | return NULL; | |
1346 | } | |
a263f320 | 1347 | |
e0421bd8 | 1348 | /* Setup SSL and buffers; additional configuration happens below. */ |
ff281ee8 P |
1349 | if (!create_peer(&server, server_ctx)) { |
1350 | TEST_note("creating server context"); | |
1351 | goto err; | |
1352 | } | |
1353 | if (!create_peer(&client, client_ctx)) { | |
1354 | TEST_note("creating client context"); | |
1355 | goto err; | |
1356 | } | |
453dfd8d | 1357 | |
6dc99745 EK |
1358 | server.bytes_to_write = client.bytes_to_read = test_ctx->app_data_size; |
1359 | client.bytes_to_write = server.bytes_to_read = test_ctx->app_data_size; | |
e0421bd8 EK |
1360 | |
1361 | configure_handshake_ssl(server.ssl, client.ssl, extra); | |
590ed3d7 EK |
1362 | if (session_in != NULL) { |
1363 | /* In case we're testing resumption without tickets. */ | |
ff281ee8 P |
1364 | if (!TEST_true(SSL_CTX_add_session(server_ctx, session_in)) |
1365 | || !TEST_true(SSL_set_session(client.ssl, session_in))) | |
1366 | goto err; | |
590ed3d7 | 1367 | } |
5c753de6 | 1368 | |
ce2cdac2 | 1369 | ret->result = SSL_TEST_INTERNAL_ERROR; |
453dfd8d | 1370 | |
83964ca0 MC |
1371 | if (test_ctx->use_sctp) { |
1372 | #if !defined(OPENSSL_NO_SCTP) && !defined(OPENSSL_NO_SOCK) | |
1373 | int csock, ssock; | |
1374 | ||
1375 | if (create_sctp_socks(&ssock, &csock)) { | |
1376 | client_to_server = BIO_new_dgram_sctp(csock, BIO_CLOSE); | |
1377 | server_to_client = BIO_new_dgram_sctp(ssock, BIO_CLOSE); | |
1378 | } | |
1379 | #endif | |
1380 | } else { | |
1381 | client_to_server = BIO_new(BIO_s_mem()); | |
1382 | server_to_client = BIO_new(BIO_s_mem()); | |
1383 | } | |
453dfd8d | 1384 | |
ff281ee8 P |
1385 | if (!TEST_ptr(client_to_server) |
1386 | || !TEST_ptr(server_to_client)) | |
1387 | goto err; | |
453dfd8d EK |
1388 | |
1389 | /* Non-blocking bio. */ | |
1390 | BIO_set_nbio(client_to_server, 1); | |
1391 | BIO_set_nbio(server_to_client, 1); | |
1392 | ||
e0421bd8 EK |
1393 | SSL_set_connect_state(client.ssl); |
1394 | SSL_set_accept_state(server.ssl); | |
453dfd8d EK |
1395 | |
1396 | /* The bios are now owned by the SSL object. */ | |
83964ca0 MC |
1397 | if (test_ctx->use_sctp) { |
1398 | SSL_set_bio(client.ssl, client_to_server, client_to_server); | |
1399 | SSL_set_bio(server.ssl, server_to_client, server_to_client); | |
1400 | } else { | |
1401 | SSL_set_bio(client.ssl, server_to_client, client_to_server); | |
ff281ee8 P |
1402 | if (!TEST_int_gt(BIO_up_ref(server_to_client), 0) |
1403 | || !TEST_int_gt(BIO_up_ref(client_to_server), 0)) | |
1404 | goto err; | |
83964ca0 MC |
1405 | SSL_set_bio(server.ssl, client_to_server, server_to_client); |
1406 | } | |
453dfd8d EK |
1407 | |
1408 | ex_data_idx = SSL_get_ex_new_index(0, "ex data", NULL, NULL, NULL); | |
ff281ee8 P |
1409 | if (!TEST_int_ge(ex_data_idx, 0) |
1410 | || !TEST_int_eq(SSL_set_ex_data(server.ssl, ex_data_idx, &server_ex_data), 1) | |
1411 | || !TEST_int_eq(SSL_set_ex_data(client.ssl, ex_data_idx, &client_ex_data), 1)) | |
1412 | goto err; | |
e0421bd8 EK |
1413 | |
1414 | SSL_set_info_callback(server.ssl, &info_cb); | |
1415 | SSL_set_info_callback(client.ssl, &info_cb); | |
453dfd8d | 1416 | |
83964ca0 MC |
1417 | client.status = PEER_RETRY; |
1418 | server.status = PEER_WAITING; | |
1419 | ||
1420 | start = time(NULL); | |
453dfd8d EK |
1421 | |
1422 | /* | |
1423 | * Half-duplex handshake loop. | |
1424 | * Client and server speak to each other synchronously in the same process. | |
1425 | * We use non-blocking BIOs, so whenever one peer blocks for read, it | |
1426 | * returns PEER_RETRY to indicate that it's the other peer's turn to write. | |
1427 | * The handshake succeeds once both peers have succeeded. If one peer | |
1428 | * errors out, we also let the other peer retry (and presumably fail). | |
1429 | */ | |
1430 | for(;;) { | |
1431 | if (client_turn) { | |
fe7dd553 | 1432 | do_connect_step(test_ctx, &client, phase); |
e0421bd8 | 1433 | status = handshake_status(client.status, server.status, |
453dfd8d | 1434 | 1 /* client went last */); |
83964ca0 MC |
1435 | if (server.status == PEER_WAITING) |
1436 | server.status = PEER_RETRY; | |
453dfd8d | 1437 | } else { |
fe7dd553 | 1438 | do_connect_step(test_ctx, &server, phase); |
e0421bd8 | 1439 | status = handshake_status(server.status, client.status, |
453dfd8d EK |
1440 | 0 /* server went last */); |
1441 | } | |
1442 | ||
1443 | switch (status) { | |
1444 | case HANDSHAKE_SUCCESS: | |
ceb6d746 | 1445 | client_turn_count = 0; |
e42c4544 | 1446 | phase = next_phase(test_ctx, phase); |
e0421bd8 | 1447 | if (phase == CONNECTION_DONE) { |
590ed3d7 EK |
1448 | ret->result = SSL_TEST_SUCCESS; |
1449 | goto err; | |
1450 | } else { | |
e0421bd8 EK |
1451 | client.status = server.status = PEER_RETRY; |
1452 | /* | |
1453 | * For now, client starts each phase. Since each phase is | |
1454 | * started separately, we can later control this more | |
1455 | * precisely, for example, to test client-initiated and | |
1456 | * server-initiated shutdown. | |
1457 | */ | |
590ed3d7 EK |
1458 | client_turn = 1; |
1459 | break; | |
1460 | } | |
453dfd8d | 1461 | case CLIENT_ERROR: |
ce2cdac2 | 1462 | ret->result = SSL_TEST_CLIENT_FAIL; |
453dfd8d EK |
1463 | goto err; |
1464 | case SERVER_ERROR: | |
ce2cdac2 | 1465 | ret->result = SSL_TEST_SERVER_FAIL; |
453dfd8d EK |
1466 | goto err; |
1467 | case INTERNAL_ERROR: | |
ce2cdac2 | 1468 | ret->result = SSL_TEST_INTERNAL_ERROR; |
453dfd8d EK |
1469 | goto err; |
1470 | case HANDSHAKE_RETRY: | |
83964ca0 MC |
1471 | if (test_ctx->use_sctp) { |
1472 | if (time(NULL) - start > 3) { | |
1473 | /* | |
1474 | * We've waited for too long. Give up. | |
1475 | */ | |
1476 | ret->result = SSL_TEST_INTERNAL_ERROR; | |
1477 | goto err; | |
1478 | } | |
ceb6d746 | 1479 | /* |
83964ca0 MC |
1480 | * With "real" sockets we only swap to processing the peer |
1481 | * if they are expecting to retry. Otherwise we just retry the | |
1482 | * same endpoint again. | |
ceb6d746 | 1483 | */ |
83964ca0 MC |
1484 | if ((client_turn && server.status == PEER_RETRY) |
1485 | || (!client_turn && client.status == PEER_RETRY)) | |
1486 | client_turn ^= 1; | |
1487 | } else { | |
1488 | if (client_turn_count++ >= 2000) { | |
1489 | /* | |
1490 | * At this point, there's been so many PEER_RETRY in a row | |
1491 | * that it's likely both sides are stuck waiting for a read. | |
1492 | * It's time to give up. | |
1493 | */ | |
1494 | ret->result = SSL_TEST_INTERNAL_ERROR; | |
1495 | goto err; | |
1496 | } | |
ceb6d746 | 1497 | |
83964ca0 MC |
1498 | /* Continue. */ |
1499 | client_turn ^= 1; | |
1500 | } | |
453dfd8d EK |
1501 | break; |
1502 | } | |
1503 | } | |
1504 | err: | |
ce2cdac2 | 1505 | ret->server_alert_sent = server_ex_data.alert_sent; |
dd8e5a57 | 1506 | ret->server_num_fatal_alerts_sent = server_ex_data.num_fatal_alerts_sent; |
ce2cdac2 EK |
1507 | ret->server_alert_received = client_ex_data.alert_received; |
1508 | ret->client_alert_sent = client_ex_data.alert_sent; | |
dd8e5a57 | 1509 | ret->client_num_fatal_alerts_sent = client_ex_data.num_fatal_alerts_sent; |
ce2cdac2 | 1510 | ret->client_alert_received = server_ex_data.alert_received; |
e0421bd8 EK |
1511 | ret->server_protocol = SSL_version(server.ssl); |
1512 | ret->client_protocol = SSL_version(client.ssl); | |
ce2cdac2 | 1513 | ret->servername = server_ex_data.servername; |
a84e5c9a | 1514 | if ((sess = SSL_get0_session(client.ssl)) != NULL) { |
ce2cdac2 | 1515 | SSL_SESSION_get0_ticket(sess, &tick, &tick_len); |
a84e5c9a TS |
1516 | sess_id = SSL_SESSION_get_id(sess, &sess_id_len); |
1517 | } | |
ce2cdac2 EK |
1518 | if (tick == NULL || tick_len == 0) |
1519 | ret->session_ticket = SSL_TEST_SESSION_TICKET_NO; | |
5c753de6 | 1520 | else |
ce2cdac2 | 1521 | ret->session_ticket = SSL_TEST_SESSION_TICKET_YES; |
439db0c9 MC |
1522 | ret->compression = (SSL_get_current_compression(client.ssl) == NULL) |
1523 | ? SSL_TEST_COMPRESSION_NO | |
1524 | : SSL_TEST_COMPRESSION_YES; | |
a84e5c9a TS |
1525 | if (sess_id == NULL || sess_id_len == 0) |
1526 | ret->session_id = SSL_TEST_SESSION_ID_NO; | |
1527 | else | |
1528 | ret->session_id = SSL_TEST_SESSION_ID_YES; | |
ce2cdac2 EK |
1529 | ret->session_ticket_do_not_call = server_ex_data.session_ticket_do_not_call; |
1530 | ||
620c6ad3 | 1531 | #ifndef OPENSSL_NO_NEXTPROTONEG |
e0421bd8 | 1532 | SSL_get0_next_proto_negotiated(client.ssl, &proto, &proto_len); |
ce2cdac2 EK |
1533 | ret->client_npn_negotiated = dup_str(proto, proto_len); |
1534 | ||
e0421bd8 | 1535 | SSL_get0_next_proto_negotiated(server.ssl, &proto, &proto_len); |
ce2cdac2 | 1536 | ret->server_npn_negotiated = dup_str(proto, proto_len); |
7b7cea6d | 1537 | #endif |
ce2cdac2 | 1538 | |
e0421bd8 | 1539 | SSL_get0_alpn_selected(client.ssl, &proto, &proto_len); |
ce2cdac2 EK |
1540 | ret->client_alpn_negotiated = dup_str(proto, proto_len); |
1541 | ||
e0421bd8 | 1542 | SSL_get0_alpn_selected(server.ssl, &proto, &proto_len); |
ce2cdac2 | 1543 | ret->server_alpn_negotiated = dup_str(proto, proto_len); |
453dfd8d | 1544 | |
e0421bd8 EK |
1545 | ret->client_resumed = SSL_session_reused(client.ssl); |
1546 | ret->server_resumed = SSL_session_reused(server.ssl); | |
590ed3d7 | 1547 | |
e1c7871d TS |
1548 | cipher = SSL_CIPHER_get_name(SSL_get_current_cipher(client.ssl)); |
1549 | ret->cipher = dup_str((const unsigned char*)cipher, strlen(cipher)); | |
1550 | ||
590ed3d7 | 1551 | if (session_out != NULL) |
e0421bd8 | 1552 | *session_out = SSL_get1_session(client.ssl); |
590ed3d7 | 1553 | |
b93ad05d | 1554 | if (SSL_get_server_tmp_key(client.ssl, &tmp_key)) { |
7f5f35af | 1555 | ret->tmp_key_type = pkey_type(tmp_key); |
b93ad05d | 1556 | EVP_PKEY_free(tmp_key); |
b93ad05d DSH |
1557 | } |
1558 | ||
ee5b6a42 DSH |
1559 | SSL_get_peer_signature_nid(client.ssl, &ret->server_sign_hash); |
1560 | SSL_get_peer_signature_nid(server.ssl, &ret->client_sign_hash); | |
1561 | ||
54b7f2a5 DSH |
1562 | SSL_get_peer_signature_type_nid(client.ssl, &ret->server_sign_type); |
1563 | SSL_get_peer_signature_type_nid(server.ssl, &ret->client_sign_type); | |
1564 | ||
f15b50c4 | 1565 | names = SSL_get0_peer_CA_list(client.ssl); |
2e21539b DSH |
1566 | if (names == NULL) |
1567 | ret->client_ca_names = NULL; | |
1568 | else | |
1569 | ret->client_ca_names = SSL_dup_CA_list(names); | |
1570 | ||
f15b50c4 DSH |
1571 | names = SSL_get0_peer_CA_list(server.ssl); |
1572 | if (names == NULL) | |
1573 | ret->server_ca_names = NULL; | |
1574 | else | |
1575 | ret->server_ca_names = SSL_dup_CA_list(names); | |
1576 | ||
7f5f35af DSH |
1577 | ret->server_cert_type = peer_pkey_type(client.ssl); |
1578 | ret->client_cert_type = peer_pkey_type(server.ssl); | |
1579 | ||
ce2cdac2 EK |
1580 | ctx_data_free_data(&server_ctx_data); |
1581 | ctx_data_free_data(&server2_ctx_data); | |
1582 | ctx_data_free_data(&client_ctx_data); | |
590ed3d7 | 1583 | |
e0421bd8 EK |
1584 | peer_free_data(&server); |
1585 | peer_free_data(&client); | |
453dfd8d EK |
1586 | return ret; |
1587 | } | |
590ed3d7 EK |
1588 | |
1589 | HANDSHAKE_RESULT *do_handshake(SSL_CTX *server_ctx, SSL_CTX *server2_ctx, | |
1590 | SSL_CTX *client_ctx, SSL_CTX *resume_server_ctx, | |
11279b13 | 1591 | SSL_CTX *resume_client_ctx, |
590ed3d7 EK |
1592 | const SSL_TEST_CTX *test_ctx) |
1593 | { | |
1594 | HANDSHAKE_RESULT *result; | |
1595 | SSL_SESSION *session = NULL; | |
1596 | ||
1597 | result = do_handshake_internal(server_ctx, server2_ctx, client_ctx, | |
6dc99745 | 1598 | test_ctx, &test_ctx->extra, |
e0421bd8 | 1599 | NULL, &session); |
ff281ee8 P |
1600 | if (result == NULL |
1601 | || test_ctx->handshake_mode != SSL_TEST_HANDSHAKE_RESUME | |
1602 | || result->result == SSL_TEST_INTERNAL_ERROR) | |
590ed3d7 EK |
1603 | goto end; |
1604 | ||
590ed3d7 EK |
1605 | if (result->result != SSL_TEST_SUCCESS) { |
1606 | result->result = SSL_TEST_FIRST_HANDSHAKE_FAILED; | |
e0421bd8 | 1607 | goto end; |
590ed3d7 EK |
1608 | } |
1609 | ||
1610 | HANDSHAKE_RESULT_free(result); | |
1611 | /* We don't support SNI on second handshake yet, so server2_ctx is NULL. */ | |
11279b13 | 1612 | result = do_handshake_internal(resume_server_ctx, NULL, resume_client_ctx, |
6dc99745 | 1613 | test_ctx, &test_ctx->resume_extra, |
e0421bd8 | 1614 | session, NULL); |
590ed3d7 EK |
1615 | end: |
1616 | SSL_SESSION_free(session); | |
1617 | return result; | |
1618 | } |