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