]>
Commit | Line | Data |
---|---|---|
453dfd8d | 1 | /* |
6738bf14 | 2 | * Copyright 2016-2018 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 | |
9d75dce3 | 19 | #include "../ssl/ssl_locl.h" |
f7d1d2a4 | 20 | #include "internal/sockets.h" |
0e97f1e1 | 21 | #include "internal/nelem.h" |
453dfd8d | 22 | #include "handshake_helper.h" |
d61f0078 | 23 | #include "testutil.h" |
453dfd8d | 24 | |
3cb7c5cf | 25 | HANDSHAKE_RESULT *HANDSHAKE_RESULT_new(void) |
ce2cdac2 | 26 | { |
ff281ee8 P |
27 | HANDSHAKE_RESULT *ret; |
28 | ||
29 | TEST_ptr(ret = OPENSSL_zalloc(sizeof(*ret))); | |
ce2cdac2 EK |
30 | return ret; |
31 | } | |
32 | ||
33 | void HANDSHAKE_RESULT_free(HANDSHAKE_RESULT *result) | |
34 | { | |
2f35e6a3 EK |
35 | if (result == NULL) |
36 | return; | |
ce2cdac2 EK |
37 | OPENSSL_free(result->client_npn_negotiated); |
38 | OPENSSL_free(result->server_npn_negotiated); | |
39 | OPENSSL_free(result->client_alpn_negotiated); | |
40 | OPENSSL_free(result->server_alpn_negotiated); | |
df0fed9a | 41 | OPENSSL_free(result->result_session_ticket_app_data); |
f15b50c4 | 42 | sk_X509_NAME_pop_free(result->server_ca_names, X509_NAME_free); |
2e21539b | 43 | sk_X509_NAME_pop_free(result->client_ca_names, X509_NAME_free); |
e1c7871d | 44 | OPENSSL_free(result->cipher); |
ce2cdac2 EK |
45 | OPENSSL_free(result); |
46 | } | |
47 | ||
453dfd8d EK |
48 | /* |
49 | * Since there appears to be no way to extract the sent/received alert | |
50 | * from the SSL object directly, we use the info callback and stash | |
51 | * the result in ex_data. | |
52 | */ | |
e0421bd8 | 53 | typedef struct handshake_ex_data_st { |
453dfd8d | 54 | int alert_sent; |
dd8e5a57 | 55 | int num_fatal_alerts_sent; |
453dfd8d | 56 | int alert_received; |
5c753de6 | 57 | int session_ticket_do_not_call; |
d2b23cd2 | 58 | ssl_servername_t servername; |
453dfd8d EK |
59 | } HANDSHAKE_EX_DATA; |
60 | ||
e0421bd8 | 61 | typedef struct ctx_data_st { |
ce2cdac2 EK |
62 | unsigned char *npn_protocols; |
63 | size_t npn_protocols_len; | |
64 | unsigned char *alpn_protocols; | |
65 | size_t alpn_protocols_len; | |
ea1ecd98 EK |
66 | char *srp_user; |
67 | char *srp_password; | |
df0fed9a | 68 | char *session_ticket_app_data; |
ce2cdac2 EK |
69 | } CTX_DATA; |
70 | ||
71 | /* |ctx_data| itself is stack-allocated. */ | |
72 | static void ctx_data_free_data(CTX_DATA *ctx_data) | |
73 | { | |
74 | OPENSSL_free(ctx_data->npn_protocols); | |
75 | ctx_data->npn_protocols = NULL; | |
76 | OPENSSL_free(ctx_data->alpn_protocols); | |
77 | ctx_data->alpn_protocols = NULL; | |
ea1ecd98 EK |
78 | OPENSSL_free(ctx_data->srp_user); |
79 | ctx_data->srp_user = NULL; | |
80 | OPENSSL_free(ctx_data->srp_password); | |
81 | ctx_data->srp_password = NULL; | |
df0fed9a TS |
82 | OPENSSL_free(ctx_data->session_ticket_app_data); |
83 | ctx_data->session_ticket_app_data = NULL; | |
ce2cdac2 EK |
84 | } |
85 | ||
453dfd8d EK |
86 | static int ex_data_idx; |
87 | ||
a8c82fa0 | 88 | static void info_cb(const SSL *s, int where, int ret) |
453dfd8d EK |
89 | { |
90 | if (where & SSL_CB_ALERT) { | |
91 | HANDSHAKE_EX_DATA *ex_data = | |
92 | (HANDSHAKE_EX_DATA*)(SSL_get_ex_data(s, ex_data_idx)); | |
93 | if (where & SSL_CB_WRITE) { | |
94 | ex_data->alert_sent = ret; | |
dd8e5a57 EK |
95 | if (strcmp(SSL_alert_type_string(ret), "F") == 0 |
96 | || strcmp(SSL_alert_desc_string(ret), "CN") == 0) | |
97 | ex_data->num_fatal_alerts_sent++; | |
453dfd8d EK |
98 | } else { |
99 | ex_data->alert_received = ret; | |
100 | } | |
101 | } | |
102 | } | |
103 | ||
ce2cdac2 | 104 | /* Select the appropriate server CTX. |
d2b23cd2 EK |
105 | * Returns SSL_TLSEXT_ERR_OK if a match was found. |
106 | * If |ignore| is 1, returns SSL_TLSEXT_ERR_NOACK on mismatch. | |
107 | * Otherwise, returns SSL_TLSEXT_ERR_ALERT_FATAL on mismatch. | |
108 | * An empty SNI extension also returns SSL_TSLEXT_ERR_NOACK. | |
109 | */ | |
110 | static int select_server_ctx(SSL *s, void *arg, int ignore) | |
81fc33c9 EK |
111 | { |
112 | const char *servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name); | |
d2b23cd2 EK |
113 | HANDSHAKE_EX_DATA *ex_data = |
114 | (HANDSHAKE_EX_DATA*)(SSL_get_ex_data(s, ex_data_idx)); | |
115 | ||
116 | if (servername == NULL) { | |
117 | ex_data->servername = SSL_TEST_SERVERNAME_SERVER1; | |
118 | return SSL_TLSEXT_ERR_NOACK; | |
119 | } | |
120 | ||
121 | if (strcmp(servername, "server2") == 0) { | |
81fc33c9 EK |
122 | SSL_CTX *new_ctx = (SSL_CTX*)arg; |
123 | SSL_set_SSL_CTX(s, new_ctx); | |
124 | /* | |
125 | * Copy over all the SSL_CTX options - reasonable behavior | |
126 | * allows testing of cases where the options between two | |
127 | * contexts differ/conflict | |
128 | */ | |
129 | SSL_clear_options(s, 0xFFFFFFFFL); | |
130 | SSL_set_options(s, SSL_CTX_get_options(new_ctx)); | |
d2b23cd2 EK |
131 | |
132 | ex_data->servername = SSL_TEST_SERVERNAME_SERVER2; | |
133 | return SSL_TLSEXT_ERR_OK; | |
134 | } else if (strcmp(servername, "server1") == 0) { | |
135 | ex_data->servername = SSL_TEST_SERVERNAME_SERVER1; | |
136 | return SSL_TLSEXT_ERR_OK; | |
137 | } else if (ignore) { | |
138 | ex_data->servername = SSL_TEST_SERVERNAME_SERVER1; | |
139 | return SSL_TLSEXT_ERR_NOACK; | |
140 | } else { | |
141 | /* Don't set an explicit alert, to test library defaults. */ | |
142 | return SSL_TLSEXT_ERR_ALERT_FATAL; | |
81fc33c9 | 143 | } |
d2b23cd2 EK |
144 | } |
145 | ||
a9c0d8be | 146 | static int client_hello_select_server_ctx(SSL *s, void *arg, int ignore) |
80de0c59 BK |
147 | { |
148 | const char *servername; | |
149 | const unsigned char *p; | |
150 | size_t len, remaining; | |
151 | HANDSHAKE_EX_DATA *ex_data = | |
152 | (HANDSHAKE_EX_DATA*)(SSL_get_ex_data(s, ex_data_idx)); | |
153 | ||
154 | /* | |
155 | * The server_name extension was given too much extensibility when it | |
156 | * was written, so parsing the normal case is a bit complex. | |
157 | */ | |
a9c0d8be DB |
158 | if (!SSL_client_hello_get0_ext(s, TLSEXT_TYPE_server_name, &p, |
159 | &remaining) || | |
80de0c59 BK |
160 | remaining <= 2) |
161 | return 0; | |
162 | /* Extract the length of the supplied list of names. */ | |
c4604e9b | 163 | len = (*(p++) << 8); |
80de0c59 BK |
164 | len += *(p++); |
165 | if (len + 2 != remaining) | |
166 | return 0; | |
167 | remaining = len; | |
168 | /* | |
169 | * The list in practice only has a single element, so we only consider | |
170 | * the first one. | |
171 | */ | |
172 | if (remaining == 0 || *p++ != TLSEXT_NAMETYPE_host_name) | |
173 | return 0; | |
174 | remaining--; | |
175 | /* Now we can finally pull out the byte array with the actual hostname. */ | |
176 | if (remaining <= 2) | |
177 | return 0; | |
c4604e9b | 178 | len = (*(p++) << 8); |
80de0c59 BK |
179 | len += *(p++); |
180 | if (len + 2 > remaining) | |
181 | return 0; | |
182 | remaining = len; | |
183 | servername = (const char *)p; | |
184 | ||
185 | if (len == strlen("server2") && strncmp(servername, "server2", len) == 0) { | |
186 | SSL_CTX *new_ctx = arg; | |
187 | SSL_set_SSL_CTX(s, new_ctx); | |
188 | /* | |
189 | * Copy over all the SSL_CTX options - reasonable behavior | |
190 | * allows testing of cases where the options between two | |
191 | * contexts differ/conflict | |
192 | */ | |
193 | SSL_clear_options(s, 0xFFFFFFFFL); | |
194 | SSL_set_options(s, SSL_CTX_get_options(new_ctx)); | |
195 | ||
196 | ex_data->servername = SSL_TEST_SERVERNAME_SERVER2; | |
197 | return 1; | |
198 | } else if (len == strlen("server1") && | |
199 | strncmp(servername, "server1", len) == 0) { | |
200 | ex_data->servername = SSL_TEST_SERVERNAME_SERVER1; | |
201 | return 1; | |
202 | } else if (ignore) { | |
203 | ex_data->servername = SSL_TEST_SERVERNAME_SERVER1; | |
204 | return 1; | |
205 | } | |
206 | return 0; | |
207 | } | |
d2b23cd2 EK |
208 | /* |
209 | * (RFC 6066): | |
210 | * If the server understood the ClientHello extension but | |
211 | * does not recognize the server name, the server SHOULD take one of two | |
212 | * actions: either abort the handshake by sending a fatal-level | |
213 | * unrecognized_name(112) alert or continue the handshake. | |
214 | * | |
215 | * This behaviour is up to the application to configure; we test both | |
216 | * configurations to ensure the state machine propagates the result | |
217 | * correctly. | |
218 | */ | |
219 | static int servername_ignore_cb(SSL *s, int *ad, void *arg) | |
220 | { | |
221 | return select_server_ctx(s, arg, 1); | |
222 | } | |
223 | ||
224 | static int servername_reject_cb(SSL *s, int *ad, void *arg) | |
225 | { | |
226 | return select_server_ctx(s, arg, 0); | |
81fc33c9 EK |
227 | } |
228 | ||
a9c0d8be | 229 | static int client_hello_ignore_cb(SSL *s, int *al, void *arg) |
80de0c59 | 230 | { |
a9c0d8be | 231 | if (!client_hello_select_server_ctx(s, arg, 1)) { |
80de0c59 | 232 | *al = SSL_AD_UNRECOGNIZED_NAME; |
f1b97da1 | 233 | return SSL_CLIENT_HELLO_ERROR; |
80de0c59 | 234 | } |
f1b97da1 | 235 | return SSL_CLIENT_HELLO_SUCCESS; |
80de0c59 BK |
236 | } |
237 | ||
a9c0d8be | 238 | static int client_hello_reject_cb(SSL *s, int *al, void *arg) |
80de0c59 | 239 | { |
a9c0d8be | 240 | if (!client_hello_select_server_ctx(s, arg, 0)) { |
80de0c59 | 241 | *al = SSL_AD_UNRECOGNIZED_NAME; |
f1b97da1 | 242 | return SSL_CLIENT_HELLO_ERROR; |
80de0c59 | 243 | } |
f1b97da1 | 244 | return SSL_CLIENT_HELLO_SUCCESS; |
80de0c59 BK |
245 | } |
246 | ||
a9c0d8be | 247 | static int client_hello_nov12_cb(SSL *s, int *al, void *arg) |
80de0c59 BK |
248 | { |
249 | int ret; | |
250 | unsigned int v; | |
251 | const unsigned char *p; | |
252 | ||
a9c0d8be | 253 | v = SSL_client_hello_get0_legacy_version(s); |
80de0c59 BK |
254 | if (v > TLS1_2_VERSION || v < SSL3_VERSION) { |
255 | *al = SSL_AD_PROTOCOL_VERSION; | |
f1b97da1 | 256 | return SSL_CLIENT_HELLO_ERROR; |
80de0c59 | 257 | } |
a9c0d8be | 258 | (void)SSL_client_hello_get0_session_id(s, &p); |
80de0c59 | 259 | if (p == NULL || |
a9c0d8be DB |
260 | SSL_client_hello_get0_random(s, &p) == 0 || |
261 | SSL_client_hello_get0_ciphers(s, &p) == 0 || | |
262 | SSL_client_hello_get0_compression_methods(s, &p) == 0) { | |
80de0c59 | 263 | *al = SSL_AD_INTERNAL_ERROR; |
f1b97da1 | 264 | return SSL_CLIENT_HELLO_ERROR; |
80de0c59 | 265 | } |
a9c0d8be | 266 | ret = client_hello_select_server_ctx(s, arg, 0); |
80de0c59 | 267 | SSL_set_max_proto_version(s, TLS1_1_VERSION); |
f1b97da1 | 268 | if (!ret) { |
80de0c59 | 269 | *al = SSL_AD_UNRECOGNIZED_NAME; |
f1b97da1 DB |
270 | return SSL_CLIENT_HELLO_ERROR; |
271 | } | |
272 | return SSL_CLIENT_HELLO_SUCCESS; | |
80de0c59 BK |
273 | } |
274 | ||
767ccc3b MC |
275 | static unsigned char dummy_ocsp_resp_good_val = 0xff; |
276 | static unsigned char dummy_ocsp_resp_bad_val = 0xfe; | |
277 | ||
278 | static int server_ocsp_cb(SSL *s, void *arg) | |
279 | { | |
280 | unsigned char *resp; | |
281 | ||
282 | resp = OPENSSL_malloc(1); | |
283 | if (resp == NULL) | |
284 | return SSL_TLSEXT_ERR_ALERT_FATAL; | |
285 | /* | |
286 | * For the purposes of testing we just send back a dummy OCSP response | |
287 | */ | |
288 | *resp = *(unsigned char *)arg; | |
289 | if (!SSL_set_tlsext_status_ocsp_resp(s, resp, 1)) | |
290 | return SSL_TLSEXT_ERR_ALERT_FATAL; | |
291 | ||
292 | return SSL_TLSEXT_ERR_OK; | |
293 | } | |
294 | ||
295 | static int client_ocsp_cb(SSL *s, void *arg) | |
296 | { | |
297 | const unsigned char *resp; | |
298 | int len; | |
299 | ||
300 | len = SSL_get_tlsext_status_ocsp_resp(s, &resp); | |
301 | if (len != 1 || *resp != dummy_ocsp_resp_good_val) | |
302 | return 0; | |
303 | ||
304 | return 1; | |
305 | } | |
306 | ||
a8c82fa0 | 307 | static int verify_reject_cb(X509_STORE_CTX *ctx, void *arg) { |
a263f320 EK |
308 | X509_STORE_CTX_set_error(ctx, X509_V_ERR_APPLICATION_VERIFICATION); |
309 | return 0; | |
310 | } | |
311 | ||
a8c82fa0 | 312 | static int verify_accept_cb(X509_STORE_CTX *ctx, void *arg) { |
a263f320 EK |
313 | return 1; |
314 | } | |
315 | ||
ce2cdac2 | 316 | static int broken_session_ticket_cb(SSL *s, unsigned char *key_name, unsigned char *iv, |
a8c82fa0 | 317 | EVP_CIPHER_CTX *ctx, HMAC_CTX *hctx, int enc) |
5c753de6 TS |
318 | { |
319 | return 0; | |
320 | } | |
321 | ||
ce2cdac2 | 322 | static int do_not_call_session_ticket_cb(SSL *s, unsigned char *key_name, |
a8c82fa0 RL |
323 | unsigned char *iv, |
324 | EVP_CIPHER_CTX *ctx, | |
325 | HMAC_CTX *hctx, int enc) | |
5c753de6 TS |
326 | { |
327 | HANDSHAKE_EX_DATA *ex_data = | |
328 | (HANDSHAKE_EX_DATA*)(SSL_get_ex_data(s, ex_data_idx)); | |
329 | ex_data->session_ticket_do_not_call = 1; | |
330 | return 0; | |
331 | } | |
332 | ||
ce2cdac2 | 333 | /* Parse the comma-separated list into TLS format. */ |
ff281ee8 | 334 | static int parse_protos(const char *protos, unsigned char **out, size_t *outlen) |
ce2cdac2 EK |
335 | { |
336 | size_t len, i, prefix; | |
337 | ||
338 | len = strlen(protos); | |
339 | ||
340 | /* Should never have reuse. */ | |
ff281ee8 P |
341 | if (!TEST_ptr_null(*out) |
342 | /* Test values are small, so we omit length limit checks. */ | |
343 | || !TEST_ptr(*out = OPENSSL_malloc(len + 1))) | |
344 | return 0; | |
ce2cdac2 EK |
345 | *outlen = len + 1; |
346 | ||
347 | /* | |
348 | * foo => '3', 'f', 'o', 'o' | |
349 | * foo,bar => '3', 'f', 'o', 'o', '3', 'b', 'a', 'r' | |
350 | */ | |
351 | memcpy(*out + 1, protos, len); | |
352 | ||
353 | prefix = 0; | |
354 | i = prefix + 1; | |
355 | while (i <= len) { | |
356 | if ((*out)[i] == ',') { | |
ff281ee8 P |
357 | if (!TEST_int_gt(i - 1, prefix)) |
358 | goto err; | |
3a63c0ed | 359 | (*out)[prefix] = (unsigned char)(i - 1 - prefix); |
ce2cdac2 EK |
360 | prefix = i; |
361 | } | |
362 | i++; | |
363 | } | |
ff281ee8 P |
364 | if (!TEST_int_gt(len, prefix)) |
365 | goto err; | |
3a63c0ed | 366 | (*out)[prefix] = (unsigned char)(len - prefix); |
ff281ee8 P |
367 | return 1; |
368 | ||
369 | err: | |
370 | OPENSSL_free(*out); | |
371 | *out = NULL; | |
372 | return 0; | |
ce2cdac2 EK |
373 | } |
374 | ||
7b7cea6d | 375 | #ifndef OPENSSL_NO_NEXTPROTONEG |
ce2cdac2 EK |
376 | /* |
377 | * The client SHOULD select the first protocol advertised by the server that it | |
378 | * also supports. In the event that the client doesn't support any of server's | |
379 | * protocols, or the server doesn't advertise any, it SHOULD select the first | |
380 | * protocol that it supports. | |
381 | */ | |
382 | static int client_npn_cb(SSL *s, unsigned char **out, unsigned char *outlen, | |
383 | const unsigned char *in, unsigned int inlen, | |
384 | void *arg) | |
385 | { | |
386 | CTX_DATA *ctx_data = (CTX_DATA*)(arg); | |
387 | int ret; | |
388 | ||
389 | ret = SSL_select_next_proto(out, outlen, in, inlen, | |
390 | ctx_data->npn_protocols, | |
391 | ctx_data->npn_protocols_len); | |
392 | /* Accept both OPENSSL_NPN_NEGOTIATED and OPENSSL_NPN_NO_OVERLAP. */ | |
ff281ee8 P |
393 | return TEST_true(ret == OPENSSL_NPN_NEGOTIATED || ret == OPENSSL_NPN_NO_OVERLAP) |
394 | ? SSL_TLSEXT_ERR_OK : SSL_TLSEXT_ERR_ALERT_FATAL; | |
ce2cdac2 EK |
395 | } |
396 | ||
397 | static int server_npn_cb(SSL *s, const unsigned char **data, | |
398 | unsigned int *len, void *arg) | |
399 | { | |
400 | CTX_DATA *ctx_data = (CTX_DATA*)(arg); | |
401 | *data = ctx_data->npn_protocols; | |
402 | *len = ctx_data->npn_protocols_len; | |
403 | return SSL_TLSEXT_ERR_OK; | |
404 | } | |
7b7cea6d | 405 | #endif |
ce2cdac2 EK |
406 | |
407 | /* | |
408 | * The server SHOULD select the most highly preferred protocol that it supports | |
409 | * and that is also advertised by the client. In the event that the server | |
410 | * supports no protocols that the client advertises, then the server SHALL | |
411 | * respond with a fatal "no_application_protocol" alert. | |
412 | */ | |
413 | static int server_alpn_cb(SSL *s, const unsigned char **out, | |
414 | unsigned char *outlen, const unsigned char *in, | |
415 | unsigned int inlen, void *arg) | |
416 | { | |
417 | CTX_DATA *ctx_data = (CTX_DATA*)(arg); | |
418 | int ret; | |
419 | ||
420 | /* SSL_select_next_proto isn't const-correct... */ | |
421 | unsigned char *tmp_out; | |
422 | ||
423 | /* | |
424 | * The result points either to |in| or to |ctx_data->alpn_protocols|. | |
425 | * The callback is allowed to point to |in| or to a long-lived buffer, | |
426 | * so we can return directly without storing a copy. | |
427 | */ | |
428 | ret = SSL_select_next_proto(&tmp_out, outlen, | |
429 | ctx_data->alpn_protocols, | |
430 | ctx_data->alpn_protocols_len, in, inlen); | |
431 | ||
432 | *out = tmp_out; | |
433 | /* Unlike NPN, we don't tolerate a mismatch. */ | |
434 | return ret == OPENSSL_NPN_NEGOTIATED ? SSL_TLSEXT_ERR_OK | |
8313a787 | 435 | : SSL_TLSEXT_ERR_ALERT_FATAL; |
ce2cdac2 | 436 | } |
ce2cdac2 | 437 | |
ea1ecd98 EK |
438 | #ifndef OPENSSL_NO_SRP |
439 | static char *client_srp_cb(SSL *s, void *arg) | |
440 | { | |
441 | CTX_DATA *ctx_data = (CTX_DATA*)(arg); | |
442 | return OPENSSL_strdup(ctx_data->srp_password); | |
443 | } | |
444 | ||
445 | static int server_srp_cb(SSL *s, int *ad, void *arg) | |
446 | { | |
447 | CTX_DATA *ctx_data = (CTX_DATA*)(arg); | |
448 | if (strcmp(ctx_data->srp_user, SSL_get_srp_username(s)) != 0) | |
449 | return SSL3_AL_FATAL; | |
450 | if (SSL_set_srp_server_param_pw(s, ctx_data->srp_user, | |
451 | ctx_data->srp_password, | |
452 | "2048" /* known group */) < 0) { | |
453 | *ad = SSL_AD_INTERNAL_ERROR; | |
454 | return SSL3_AL_FATAL; | |
455 | } | |
456 | return SSL_ERROR_NONE; | |
457 | } | |
458 | #endif /* !OPENSSL_NO_SRP */ | |
459 | ||
df0fed9a TS |
460 | static int generate_session_ticket_cb(SSL *s, void *arg) |
461 | { | |
462 | CTX_DATA *server_ctx_data = arg; | |
463 | SSL_SESSION *ss = SSL_get_session(s); | |
464 | char *app_data = server_ctx_data->session_ticket_app_data; | |
465 | ||
466 | if (ss == NULL || app_data == NULL) | |
467 | return 0; | |
468 | ||
469 | return SSL_SESSION_set1_ticket_appdata(ss, app_data, strlen(app_data)); | |
470 | } | |
471 | ||
61fb5923 MC |
472 | static int decrypt_session_ticket_cb(SSL *s, SSL_SESSION *ss, |
473 | const unsigned char *keyname, | |
474 | size_t keyname_len, | |
475 | SSL_TICKET_STATUS status, | |
476 | void *arg) | |
df0fed9a | 477 | { |
61fb5923 MC |
478 | switch (status) { |
479 | case SSL_TICKET_EMPTY: | |
480 | case SSL_TICKET_NO_DECRYPT: | |
481 | return SSL_TICKET_RETURN_IGNORE_RENEW; | |
482 | case SSL_TICKET_SUCCESS: | |
483 | return SSL_TICKET_RETURN_USE; | |
484 | case SSL_TICKET_SUCCESS_RENEW: | |
485 | return SSL_TICKET_RETURN_USE_RENEW; | |
486 | default: | |
487 | break; | |
488 | } | |
489 | return SSL_TICKET_RETURN_ABORT; | |
df0fed9a TS |
490 | } |
491 | ||
a263f320 EK |
492 | /* |
493 | * Configure callbacks and other properties that can't be set directly | |
494 | * in the server/client CONF. | |
495 | */ | |
ff281ee8 P |
496 | static int configure_handshake_ctx(SSL_CTX *server_ctx, SSL_CTX *server2_ctx, |
497 | SSL_CTX *client_ctx, | |
498 | const SSL_TEST_CTX *test, | |
499 | const SSL_TEST_EXTRA_CONF *extra, | |
500 | CTX_DATA *server_ctx_data, | |
501 | CTX_DATA *server2_ctx_data, | |
502 | CTX_DATA *client_ctx_data) | |
a263f320 | 503 | { |
590ed3d7 EK |
504 | unsigned char *ticket_keys; |
505 | size_t ticket_key_len; | |
506 | ||
ff281ee8 P |
507 | if (!TEST_int_eq(SSL_CTX_set_max_send_fragment(server_ctx, |
508 | test->max_fragment_size), 1)) | |
509 | goto err; | |
6dc99745 | 510 | if (server2_ctx != NULL) { |
ff281ee8 P |
511 | if (!TEST_int_eq(SSL_CTX_set_max_send_fragment(server2_ctx, |
512 | test->max_fragment_size), | |
513 | 1)) | |
514 | goto err; | |
6dc99745 | 515 | } |
ff281ee8 P |
516 | if (!TEST_int_eq(SSL_CTX_set_max_send_fragment(client_ctx, |
517 | test->max_fragment_size), 1)) | |
518 | goto err; | |
6dc99745 | 519 | |
9f48bbac | 520 | switch (extra->client.verify_callback) { |
a263f320 | 521 | case SSL_TEST_VERIFY_ACCEPT_ALL: |
ff281ee8 | 522 | SSL_CTX_set_cert_verify_callback(client_ctx, &verify_accept_cb, NULL); |
a263f320 EK |
523 | break; |
524 | case SSL_TEST_VERIFY_REJECT_ALL: | |
ff281ee8 | 525 | SSL_CTX_set_cert_verify_callback(client_ctx, &verify_reject_cb, NULL); |
a263f320 | 526 | break; |
f3b3d7f0 | 527 | case SSL_TEST_VERIFY_NONE: |
a263f320 EK |
528 | break; |
529 | } | |
81fc33c9 | 530 | |
cf72c757 F |
531 | switch (extra->client.max_fragment_len_mode) { |
532 | case TLSEXT_max_fragment_length_512: | |
533 | case TLSEXT_max_fragment_length_1024: | |
534 | case TLSEXT_max_fragment_length_2048: | |
535 | case TLSEXT_max_fragment_length_4096: | |
536 | case TLSEXT_max_fragment_length_DISABLED: | |
88e09fe7 BK |
537 | SSL_CTX_set_tlsext_max_fragment_length( |
538 | client_ctx, extra->client.max_fragment_len_mode); | |
cf72c757 F |
539 | break; |
540 | } | |
541 | ||
80de0c59 BK |
542 | /* |
543 | * Link the two contexts for SNI purposes. | |
a9c0d8be DB |
544 | * Also do ClientHello callbacks here, as setting both ClientHello and SNI |
545 | * is bad. | |
80de0c59 | 546 | */ |
9f48bbac | 547 | switch (extra->server.servername_callback) { |
d2b23cd2 EK |
548 | case SSL_TEST_SERVERNAME_IGNORE_MISMATCH: |
549 | SSL_CTX_set_tlsext_servername_callback(server_ctx, servername_ignore_cb); | |
550 | SSL_CTX_set_tlsext_servername_arg(server_ctx, server2_ctx); | |
551 | break; | |
552 | case SSL_TEST_SERVERNAME_REJECT_MISMATCH: | |
553 | SSL_CTX_set_tlsext_servername_callback(server_ctx, servername_reject_cb); | |
554 | SSL_CTX_set_tlsext_servername_arg(server_ctx, server2_ctx); | |
555 | break; | |
f3b3d7f0 | 556 | case SSL_TEST_SERVERNAME_CB_NONE: |
d2b23cd2 | 557 | break; |
a9c0d8be DB |
558 | case SSL_TEST_SERVERNAME_CLIENT_HELLO_IGNORE_MISMATCH: |
559 | SSL_CTX_set_client_hello_cb(server_ctx, client_hello_ignore_cb, server2_ctx); | |
80de0c59 | 560 | break; |
a9c0d8be DB |
561 | case SSL_TEST_SERVERNAME_CLIENT_HELLO_REJECT_MISMATCH: |
562 | SSL_CTX_set_client_hello_cb(server_ctx, client_hello_reject_cb, server2_ctx); | |
80de0c59 | 563 | break; |
a9c0d8be DB |
564 | case SSL_TEST_SERVERNAME_CLIENT_HELLO_NO_V12: |
565 | SSL_CTX_set_client_hello_cb(server_ctx, client_hello_nov12_cb, server2_ctx); | |
d2b23cd2 EK |
566 | } |
567 | ||
767ccc3b MC |
568 | if (extra->server.cert_status != SSL_TEST_CERT_STATUS_NONE) { |
569 | SSL_CTX_set_tlsext_status_type(client_ctx, TLSEXT_STATUSTYPE_ocsp); | |
570 | SSL_CTX_set_tlsext_status_cb(client_ctx, client_ocsp_cb); | |
571 | SSL_CTX_set_tlsext_status_arg(client_ctx, NULL); | |
572 | SSL_CTX_set_tlsext_status_cb(server_ctx, server_ocsp_cb); | |
573 | SSL_CTX_set_tlsext_status_arg(server_ctx, | |
574 | ((extra->server.cert_status == SSL_TEST_CERT_STATUS_GOOD_RESPONSE) | |
575 | ? &dummy_ocsp_resp_good_val : &dummy_ocsp_resp_bad_val)); | |
576 | } | |
577 | ||
81fc33c9 EK |
578 | /* |
579 | * The initial_ctx/session_ctx always handles the encrypt/decrypt of the | |
580 | * session ticket. This ticket_key callback is assigned to the second | |
581 | * session (assigned via SNI), and should never be invoked | |
582 | */ | |
d2b23cd2 EK |
583 | if (server2_ctx != NULL) |
584 | SSL_CTX_set_tlsext_ticket_key_cb(server2_ctx, | |
585 | do_not_call_session_ticket_cb); | |
81fc33c9 | 586 | |
9f48bbac | 587 | if (extra->server.broken_session_ticket) { |
a8c82fa0 | 588 | SSL_CTX_set_tlsext_ticket_key_cb(server_ctx, broken_session_ticket_cb); |
5c753de6 | 589 | } |
620c6ad3 | 590 | #ifndef OPENSSL_NO_NEXTPROTONEG |
9f48bbac | 591 | if (extra->server.npn_protocols != NULL) { |
ff281ee8 P |
592 | if (!TEST_true(parse_protos(extra->server.npn_protocols, |
593 | &server_ctx_data->npn_protocols, | |
594 | &server_ctx_data->npn_protocols_len))) | |
595 | goto err; | |
aff8c126 RS |
596 | SSL_CTX_set_npn_advertised_cb(server_ctx, server_npn_cb, |
597 | server_ctx_data); | |
ce2cdac2 | 598 | } |
9f48bbac | 599 | if (extra->server2.npn_protocols != NULL) { |
ff281ee8 P |
600 | if (!TEST_true(parse_protos(extra->server2.npn_protocols, |
601 | &server2_ctx_data->npn_protocols, | |
602 | &server2_ctx_data->npn_protocols_len)) | |
603 | || !TEST_ptr(server2_ctx)) | |
604 | goto err; | |
aff8c126 RS |
605 | SSL_CTX_set_npn_advertised_cb(server2_ctx, server_npn_cb, |
606 | server2_ctx_data); | |
ce2cdac2 | 607 | } |
9f48bbac | 608 | if (extra->client.npn_protocols != NULL) { |
ff281ee8 P |
609 | if (!TEST_true(parse_protos(extra->client.npn_protocols, |
610 | &client_ctx_data->npn_protocols, | |
611 | &client_ctx_data->npn_protocols_len))) | |
612 | goto err; | |
ce2cdac2 EK |
613 | SSL_CTX_set_next_proto_select_cb(client_ctx, client_npn_cb, |
614 | client_ctx_data); | |
615 | } | |
7b7cea6d | 616 | #endif |
9f48bbac | 617 | if (extra->server.alpn_protocols != NULL) { |
ff281ee8 P |
618 | if (!TEST_true(parse_protos(extra->server.alpn_protocols, |
619 | &server_ctx_data->alpn_protocols, | |
620 | &server_ctx_data->alpn_protocols_len))) | |
621 | goto err; | |
ce2cdac2 EK |
622 | SSL_CTX_set_alpn_select_cb(server_ctx, server_alpn_cb, server_ctx_data); |
623 | } | |
9f48bbac | 624 | if (extra->server2.alpn_protocols != NULL) { |
ff281ee8 P |
625 | if (!TEST_ptr(server2_ctx) |
626 | || !TEST_true(parse_protos(extra->server2.alpn_protocols, | |
627 | &server2_ctx_data->alpn_protocols, | |
628 | &server2_ctx_data->alpn_protocols_len | |
629 | ))) | |
630 | goto err; | |
631 | SSL_CTX_set_alpn_select_cb(server2_ctx, server_alpn_cb, | |
632 | server2_ctx_data); | |
ce2cdac2 | 633 | } |
9f48bbac | 634 | if (extra->client.alpn_protocols != NULL) { |
ce2cdac2 EK |
635 | unsigned char *alpn_protos = NULL; |
636 | size_t alpn_protos_len; | |
ff281ee8 P |
637 | if (!TEST_true(parse_protos(extra->client.alpn_protocols, |
638 | &alpn_protos, &alpn_protos_len)) | |
639 | /* Reversed return value convention... */ | |
640 | || !TEST_int_eq(SSL_CTX_set_alpn_protos(client_ctx, alpn_protos, | |
641 | alpn_protos_len), 0)) | |
642 | goto err; | |
ce2cdac2 EK |
643 | OPENSSL_free(alpn_protos); |
644 | } | |
7b7cea6d | 645 | |
df0fed9a TS |
646 | if (extra->server.session_ticket_app_data != NULL) { |
647 | server_ctx_data->session_ticket_app_data = | |
648 | OPENSSL_strdup(extra->server.session_ticket_app_data); | |
649 | SSL_CTX_set_session_ticket_cb(server_ctx, generate_session_ticket_cb, | |
650 | decrypt_session_ticket_cb, server_ctx_data); | |
651 | } | |
652 | if (extra->server2.session_ticket_app_data != NULL) { | |
653 | if (!TEST_ptr(server2_ctx)) | |
654 | goto err; | |
655 | server2_ctx_data->session_ticket_app_data = | |
656 | OPENSSL_strdup(extra->server2.session_ticket_app_data); | |
657 | SSL_CTX_set_session_ticket_cb(server2_ctx, NULL, | |
658 | decrypt_session_ticket_cb, server2_ctx_data); | |
659 | } | |
660 | ||
590ed3d7 EK |
661 | /* |
662 | * Use fixed session ticket keys so that we can decrypt a ticket created with | |
663 | * one CTX in another CTX. Don't address server2 for the moment. | |
664 | */ | |
665 | ticket_key_len = SSL_CTX_set_tlsext_ticket_keys(server_ctx, NULL, 0); | |
ff281ee8 P |
666 | if (!TEST_ptr(ticket_keys = OPENSSL_zalloc(ticket_key_len)) |
667 | || !TEST_int_eq(SSL_CTX_set_tlsext_ticket_keys(server_ctx, | |
668 | ticket_keys, | |
669 | ticket_key_len), 1)) { | |
670 | OPENSSL_free(ticket_keys); | |
671 | goto err; | |
672 | } | |
590ed3d7 | 673 | OPENSSL_free(ticket_keys); |
da085d27 | 674 | |
be82f7b3 EK |
675 | /* The default log list includes EC keys, so CT can't work without EC. */ |
676 | #if !defined(OPENSSL_NO_CT) && !defined(OPENSSL_NO_EC) | |
ff281ee8 P |
677 | if (!TEST_true(SSL_CTX_set_default_ctlog_list_file(client_ctx))) |
678 | goto err; | |
da085d27 EK |
679 | switch (extra->client.ct_validation) { |
680 | case SSL_TEST_CT_VALIDATION_PERMISSIVE: | |
ff281ee8 P |
681 | if (!TEST_true(SSL_CTX_enable_ct(client_ctx, |
682 | SSL_CT_VALIDATION_PERMISSIVE))) | |
683 | goto err; | |
da085d27 EK |
684 | break; |
685 | case SSL_TEST_CT_VALIDATION_STRICT: | |
ff281ee8 P |
686 | if (!TEST_true(SSL_CTX_enable_ct(client_ctx, SSL_CT_VALIDATION_STRICT))) |
687 | goto err; | |
da085d27 EK |
688 | break; |
689 | case SSL_TEST_CT_VALIDATION_NONE: | |
690 | break; | |
691 | } | |
692 | #endif | |
ea1ecd98 EK |
693 | #ifndef OPENSSL_NO_SRP |
694 | if (extra->server.srp_user != NULL) { | |
695 | SSL_CTX_set_srp_username_callback(server_ctx, server_srp_cb); | |
696 | server_ctx_data->srp_user = OPENSSL_strdup(extra->server.srp_user); | |
697 | server_ctx_data->srp_password = OPENSSL_strdup(extra->server.srp_password); | |
698 | SSL_CTX_set_srp_cb_arg(server_ctx, server_ctx_data); | |
699 | } | |
700 | if (extra->server2.srp_user != NULL) { | |
ff281ee8 P |
701 | if (!TEST_ptr(server2_ctx)) |
702 | goto err; | |
ea1ecd98 EK |
703 | SSL_CTX_set_srp_username_callback(server2_ctx, server_srp_cb); |
704 | server2_ctx_data->srp_user = OPENSSL_strdup(extra->server2.srp_user); | |
705 | server2_ctx_data->srp_password = OPENSSL_strdup(extra->server2.srp_password); | |
706 | SSL_CTX_set_srp_cb_arg(server2_ctx, server2_ctx_data); | |
707 | } | |
708 | if (extra->client.srp_user != NULL) { | |
ff281ee8 P |
709 | if (!TEST_true(SSL_CTX_set_srp_username(client_ctx, |
710 | extra->client.srp_user))) | |
711 | goto err; | |
ea1ecd98 EK |
712 | SSL_CTX_set_srp_client_pwd_callback(client_ctx, client_srp_cb); |
713 | client_ctx_data->srp_password = OPENSSL_strdup(extra->client.srp_password); | |
714 | SSL_CTX_set_srp_cb_arg(client_ctx, client_ctx_data); | |
715 | } | |
716 | #endif /* !OPENSSL_NO_SRP */ | |
ff281ee8 P |
717 | return 1; |
718 | err: | |
719 | return 0; | |
5c753de6 TS |
720 | } |
721 | ||
ce2cdac2 | 722 | /* Configure per-SSL callbacks and other properties. */ |
5c753de6 | 723 | static void configure_handshake_ssl(SSL *server, SSL *client, |
9f48bbac | 724 | const SSL_TEST_EXTRA_CONF *extra) |
5c753de6 | 725 | { |
9f48bbac | 726 | if (extra->client.servername != SSL_TEST_SERVERNAME_NONE) |
81fc33c9 | 727 | SSL_set_tlsext_host_name(client, |
9f48bbac | 728 | ssl_servername_name(extra->client.servername)); |
9d75dce3 TS |
729 | if (extra->client.force_pha) |
730 | SSL_force_post_handshake_auth(client); | |
a263f320 EK |
731 | } |
732 | ||
e0421bd8 | 733 | /* The status for each connection phase. */ |
453dfd8d EK |
734 | typedef enum { |
735 | PEER_SUCCESS, | |
736 | PEER_RETRY, | |
83964ca0 | 737 | PEER_ERROR, |
ff281ee8 P |
738 | PEER_WAITING, |
739 | PEER_TEST_FAILURE | |
453dfd8d EK |
740 | } peer_status_t; |
741 | ||
e0421bd8 EK |
742 | /* An SSL object and associated read-write buffers. */ |
743 | typedef struct peer_st { | |
744 | SSL *ssl; | |
745 | /* Buffer lengths are int to match the SSL read/write API. */ | |
746 | unsigned char *write_buf; | |
747 | int write_buf_len; | |
748 | unsigned char *read_buf; | |
749 | int read_buf_len; | |
750 | int bytes_to_write; | |
751 | int bytes_to_read; | |
752 | peer_status_t status; | |
753 | } PEER; | |
754 | ||
ff281ee8 | 755 | static int create_peer(PEER *peer, SSL_CTX *ctx) |
e0421bd8 EK |
756 | { |
757 | static const int peer_buffer_size = 64 * 1024; | |
ff281ee8 P |
758 | SSL *ssl = NULL; |
759 | unsigned char *read_buf = NULL, *write_buf = NULL; | |
760 | ||
761 | if (!TEST_ptr(ssl = SSL_new(ctx)) | |
762 | || !TEST_ptr(write_buf = OPENSSL_zalloc(peer_buffer_size)) | |
763 | || !TEST_ptr(read_buf = OPENSSL_zalloc(peer_buffer_size))) | |
764 | goto err; | |
e0421bd8 | 765 | |
ff281ee8 P |
766 | peer->ssl = ssl; |
767 | peer->write_buf = write_buf; | |
768 | peer->read_buf = read_buf; | |
e0421bd8 | 769 | peer->write_buf_len = peer->read_buf_len = peer_buffer_size; |
ff281ee8 P |
770 | return 1; |
771 | err: | |
772 | SSL_free(ssl); | |
773 | OPENSSL_free(write_buf); | |
774 | OPENSSL_free(read_buf); | |
775 | return 0; | |
e0421bd8 EK |
776 | } |
777 | ||
778 | static void peer_free_data(PEER *peer) | |
779 | { | |
780 | SSL_free(peer->ssl); | |
781 | OPENSSL_free(peer->write_buf); | |
782 | OPENSSL_free(peer->read_buf); | |
783 | } | |
784 | ||
785 | /* | |
786 | * Note that we could do the handshake transparently under an SSL_write, | |
787 | * but separating the steps is more helpful for debugging test failures. | |
788 | */ | |
789 | static void do_handshake_step(PEER *peer) | |
790 | { | |
ff281ee8 P |
791 | if (!TEST_int_eq(peer->status, PEER_RETRY)) { |
792 | peer->status = PEER_TEST_FAILURE; | |
e0421bd8 | 793 | } else { |
ff281ee8 P |
794 | int ret = SSL_do_handshake(peer->ssl); |
795 | ||
796 | if (ret == 1) { | |
797 | peer->status = PEER_SUCCESS; | |
798 | } else if (ret == 0) { | |
e0421bd8 | 799 | peer->status = PEER_ERROR; |
ff281ee8 P |
800 | } else { |
801 | int error = SSL_get_error(peer->ssl, ret); | |
802 | /* Memory bios should never block with SSL_ERROR_WANT_WRITE. */ | |
803 | if (error != SSL_ERROR_WANT_READ) | |
804 | peer->status = PEER_ERROR; | |
805 | } | |
e0421bd8 EK |
806 | } |
807 | } | |
808 | ||
809 | /*- | |
810 | * Send/receive some application data. The read-write sequence is | |
811 | * Peer A: (R) W - first read will yield no data | |
812 | * Peer B: R W | |
813 | * ... | |
814 | * Peer A: R W | |
815 | * Peer B: R W | |
816 | * Peer A: R | |
817 | */ | |
818 | static void do_app_data_step(PEER *peer) | |
819 | { | |
820 | int ret = 1, write_bytes; | |
821 | ||
ff281ee8 P |
822 | if (!TEST_int_eq(peer->status, PEER_RETRY)) { |
823 | peer->status = PEER_TEST_FAILURE; | |
824 | return; | |
825 | } | |
e0421bd8 EK |
826 | |
827 | /* We read everything available... */ | |
828 | while (ret > 0 && peer->bytes_to_read) { | |
829 | ret = SSL_read(peer->ssl, peer->read_buf, peer->read_buf_len); | |
830 | if (ret > 0) { | |
ff281ee8 P |
831 | if (!TEST_int_le(ret, peer->bytes_to_read)) { |
832 | peer->status = PEER_TEST_FAILURE; | |
833 | return; | |
834 | } | |
e0421bd8 EK |
835 | peer->bytes_to_read -= ret; |
836 | } else if (ret == 0) { | |
837 | peer->status = PEER_ERROR; | |
838 | return; | |
839 | } else { | |
840 | int error = SSL_get_error(peer->ssl, ret); | |
841 | if (error != SSL_ERROR_WANT_READ) { | |
842 | peer->status = PEER_ERROR; | |
843 | return; | |
844 | } /* Else continue with write. */ | |
845 | } | |
846 | } | |
847 | ||
848 | /* ... but we only write one write-buffer-full of data. */ | |
849 | write_bytes = peer->bytes_to_write < peer->write_buf_len ? peer->bytes_to_write : | |
850 | peer->write_buf_len; | |
851 | if (write_bytes) { | |
852 | ret = SSL_write(peer->ssl, peer->write_buf, write_bytes); | |
853 | if (ret > 0) { | |
854 | /* SSL_write will only succeed with a complete write. */ | |
ff281ee8 P |
855 | if (!TEST_int_eq(ret, write_bytes)) { |
856 | peer->status = PEER_TEST_FAILURE; | |
857 | return; | |
858 | } | |
e0421bd8 EK |
859 | peer->bytes_to_write -= ret; |
860 | } else { | |
861 | /* | |
862 | * We should perhaps check for SSL_ERROR_WANT_READ/WRITE here | |
863 | * but this doesn't yet occur with current app data sizes. | |
864 | */ | |
865 | peer->status = PEER_ERROR; | |
866 | return; | |
867 | } | |
868 | } | |
869 | ||
870 | /* | |
871 | * We could simply finish when there was nothing to read, and we have | |
872 | * nothing left to write. But keeping track of the expected number of bytes | |
873 | * to read gives us somewhat better guarantees that all data sent is in fact | |
874 | * received. | |
875 | */ | |
876 | if (!peer->bytes_to_write && !peer->bytes_to_read) { | |
877 | peer->status = PEER_SUCCESS; | |
878 | } | |
879 | } | |
880 | ||
fe7dd553 | 881 | static void do_reneg_setup_step(const SSL_TEST_CTX *test_ctx, PEER *peer) |
e42c4544 MC |
882 | { |
883 | int ret; | |
884 | char buf; | |
885 | ||
84344efa TS |
886 | if (peer->status == PEER_SUCCESS) { |
887 | /* | |
888 | * We are a client that succeeded this step previously, but the server | |
889 | * wanted to retry. Probably there is a no_renegotiation warning alert | |
890 | * waiting for us. Attempt to continue the handshake. | |
891 | */ | |
892 | peer->status = PEER_RETRY; | |
893 | do_handshake_step(peer); | |
894 | return; | |
895 | } | |
c2500f65 | 896 | |
ff281ee8 P |
897 | if (!TEST_int_eq(peer->status, PEER_RETRY) |
898 | || !TEST_true(test_ctx->handshake_mode | |
899 | == SSL_TEST_HANDSHAKE_RENEG_SERVER | |
900 | || test_ctx->handshake_mode | |
901 | == SSL_TEST_HANDSHAKE_RENEG_CLIENT | |
902 | || test_ctx->handshake_mode | |
903 | == SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER | |
904 | || test_ctx->handshake_mode | |
9d75dce3 TS |
905 | == SSL_TEST_HANDSHAKE_KEY_UPDATE_CLIENT |
906 | || test_ctx->handshake_mode | |
907 | == SSL_TEST_HANDSHAKE_POST_HANDSHAKE_AUTH)) { | |
ff281ee8 P |
908 | peer->status = PEER_TEST_FAILURE; |
909 | return; | |
910 | } | |
9b92f161 MC |
911 | |
912 | /* Reset the count of the amount of app data we need to read/write */ | |
913 | peer->bytes_to_write = peer->bytes_to_read = test_ctx->app_data_size; | |
fe7dd553 MC |
914 | |
915 | /* Check if we are the peer that is going to initiate */ | |
916 | if ((test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_RENEG_SERVER | |
917 | && SSL_is_server(peer->ssl)) | |
918 | || (test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_RENEG_CLIENT | |
919 | && !SSL_is_server(peer->ssl))) { | |
e42c4544 | 920 | /* |
fe7dd553 MC |
921 | * If we already asked for a renegotiation then fall through to the |
922 | * SSL_read() below. | |
e42c4544 | 923 | */ |
fe7dd553 MC |
924 | if (!SSL_renegotiate_pending(peer->ssl)) { |
925 | /* | |
926 | * If we are the client we will always attempt to resume the | |
44e69951 | 927 | * session. The server may or may not resume dependent on the |
fe7dd553 MC |
928 | * setting of SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION |
929 | */ | |
cc22cd54 | 930 | if (SSL_is_server(peer->ssl)) { |
fe7dd553 | 931 | ret = SSL_renegotiate(peer->ssl); |
cc22cd54 MC |
932 | } else { |
933 | if (test_ctx->extra.client.reneg_ciphers != NULL) { | |
934 | if (!SSL_set_cipher_list(peer->ssl, | |
935 | test_ctx->extra.client.reneg_ciphers)) { | |
936 | peer->status = PEER_ERROR; | |
937 | return; | |
938 | } | |
939 | ret = SSL_renegotiate(peer->ssl); | |
940 | } else { | |
941 | ret = SSL_renegotiate_abbreviated(peer->ssl); | |
942 | } | |
943 | } | |
fe7dd553 MC |
944 | if (!ret) { |
945 | peer->status = PEER_ERROR; | |
946 | return; | |
947 | } | |
948 | do_handshake_step(peer); | |
949 | /* | |
950 | * If status is PEER_RETRY it means we're waiting on the peer to | |
951 | * continue the handshake. As far as setting up the renegotiation is | |
952 | * concerned that is a success. The next step will continue the | |
953 | * handshake to its conclusion. | |
954 | * | |
955 | * If status is PEER_SUCCESS then we are the server and we have | |
956 | * successfully sent the HelloRequest. We need to continue to wait | |
957 | * until the handshake arrives from the client. | |
958 | */ | |
959 | if (peer->status == PEER_RETRY) | |
960 | peer->status = PEER_SUCCESS; | |
961 | else if (peer->status == PEER_SUCCESS) | |
962 | peer->status = PEER_RETRY; | |
963 | return; | |
964 | } | |
9b92f161 MC |
965 | } else if (test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER |
966 | || test_ctx->handshake_mode | |
967 | == SSL_TEST_HANDSHAKE_KEY_UPDATE_CLIENT) { | |
968 | if (SSL_is_server(peer->ssl) | |
969 | != (test_ctx->handshake_mode | |
970 | == SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER)) { | |
971 | peer->status = PEER_SUCCESS; | |
972 | return; | |
973 | } | |
974 | ||
975 | ret = SSL_key_update(peer->ssl, test_ctx->key_update_type); | |
976 | if (!ret) { | |
977 | peer->status = PEER_ERROR; | |
978 | return; | |
979 | } | |
980 | do_handshake_step(peer); | |
981 | /* | |
982 | * This is a one step handshake. We shouldn't get anything other than | |
983 | * PEER_SUCCESS | |
984 | */ | |
985 | if (peer->status != PEER_SUCCESS) | |
986 | peer->status = PEER_ERROR; | |
987 | return; | |
9d75dce3 TS |
988 | } else if (test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_POST_HANDSHAKE_AUTH) { |
989 | if (SSL_is_server(peer->ssl)) { | |
990 | /* Make the server believe it's received the extension */ | |
991 | if (test_ctx->extra.server.force_pha) | |
992 | peer->ssl->post_handshake_auth = SSL_PHA_EXT_RECEIVED; | |
993 | ret = SSL_verify_client_post_handshake(peer->ssl); | |
994 | if (!ret) { | |
995 | peer->status = PEER_ERROR; | |
996 | return; | |
997 | } | |
998 | } | |
999 | do_handshake_step(peer); | |
1000 | /* | |
1001 | * This is a one step handshake. We shouldn't get anything other than | |
1002 | * PEER_SUCCESS | |
1003 | */ | |
1004 | if (peer->status != PEER_SUCCESS) | |
1005 | peer->status = PEER_ERROR; | |
1006 | return; | |
e42c4544 MC |
1007 | } |
1008 | ||
1009 | /* | |
1010 | * The SSL object is still expecting app data, even though it's going to | |
1011 | * get a handshake message. We try to read, and it should fail - after which | |
1012 | * we should be in a handshake | |
1013 | */ | |
1014 | ret = SSL_read(peer->ssl, &buf, sizeof(buf)); | |
1015 | if (ret >= 0) { | |
fe7dd553 MC |
1016 | /* |
1017 | * We're not actually expecting data - we're expecting a reneg to | |
1018 | * start | |
1019 | */ | |
e42c4544 MC |
1020 | peer->status = PEER_ERROR; |
1021 | return; | |
1022 | } else { | |
1023 | int error = SSL_get_error(peer->ssl, ret); | |
fe7dd553 | 1024 | if (error != SSL_ERROR_WANT_READ) { |
e42c4544 MC |
1025 | peer->status = PEER_ERROR; |
1026 | return; | |
1027 | } | |
9b92f161 | 1028 | /* If we're not in init yet then we're not done with setup yet */ |
fe7dd553 MC |
1029 | if (!SSL_in_init(peer->ssl)) |
1030 | return; | |
e42c4544 MC |
1031 | } |
1032 | ||
1033 | peer->status = PEER_SUCCESS; | |
1034 | } | |
1035 | ||
1036 | ||
590ed3d7 EK |
1037 | /* |
1038 | * RFC 5246 says: | |
1039 | * | |
1040 | * Note that as of TLS 1.1, | |
1041 | * failure to properly close a connection no longer requires that a | |
1042 | * session not be resumed. This is a change from TLS 1.0 to conform | |
1043 | * with widespread implementation practice. | |
1044 | * | |
1045 | * However, | |
1046 | * (a) OpenSSL requires that a connection be shutdown for all protocol versions. | |
1047 | * (b) We test lower versions, too. | |
1048 | * So we just implement shutdown. We do a full bidirectional shutdown so that we | |
1049 | * can compare sent and received close_notify alerts and get some test coverage | |
1050 | * for SSL_shutdown as a bonus. | |
1051 | */ | |
e0421bd8 | 1052 | static void do_shutdown_step(PEER *peer) |
453dfd8d EK |
1053 | { |
1054 | int ret; | |
1055 | ||
ff281ee8 P |
1056 | if (!TEST_int_eq(peer->status, PEER_RETRY)) { |
1057 | peer->status = PEER_TEST_FAILURE; | |
1058 | return; | |
1059 | } | |
e0421bd8 | 1060 | ret = SSL_shutdown(peer->ssl); |
453dfd8d EK |
1061 | |
1062 | if (ret == 1) { | |
e0421bd8 EK |
1063 | peer->status = PEER_SUCCESS; |
1064 | } else if (ret < 0) { /* On 0, we retry. */ | |
1065 | int error = SSL_get_error(peer->ssl, ret); | |
83964ca0 MC |
1066 | |
1067 | if (error != SSL_ERROR_WANT_READ && error != SSL_ERROR_WANT_WRITE) | |
e0421bd8 EK |
1068 | peer->status = PEER_ERROR; |
1069 | } | |
1070 | } | |
1071 | ||
1072 | typedef enum { | |
1073 | HANDSHAKE, | |
e42c4544 MC |
1074 | RENEG_APPLICATION_DATA, |
1075 | RENEG_SETUP, | |
1076 | RENEG_HANDSHAKE, | |
e0421bd8 EK |
1077 | APPLICATION_DATA, |
1078 | SHUTDOWN, | |
1079 | CONNECTION_DONE | |
1080 | } connect_phase_t; | |
1081 | ||
9d75dce3 TS |
1082 | |
1083 | static int renegotiate_op(const SSL_TEST_CTX *test_ctx) | |
1084 | { | |
1085 | switch (test_ctx->handshake_mode) { | |
1086 | case SSL_TEST_HANDSHAKE_RENEG_SERVER: | |
1087 | case SSL_TEST_HANDSHAKE_RENEG_CLIENT: | |
1088 | return 1; | |
1089 | default: | |
1090 | return 0; | |
1091 | } | |
1092 | } | |
1093 | static int post_handshake_op(const SSL_TEST_CTX *test_ctx) | |
1094 | { | |
1095 | switch (test_ctx->handshake_mode) { | |
1096 | case SSL_TEST_HANDSHAKE_KEY_UPDATE_CLIENT: | |
1097 | case SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER: | |
1098 | case SSL_TEST_HANDSHAKE_POST_HANDSHAKE_AUTH: | |
1099 | return 1; | |
1100 | default: | |
1101 | return 0; | |
1102 | } | |
1103 | } | |
1104 | ||
e42c4544 MC |
1105 | static connect_phase_t next_phase(const SSL_TEST_CTX *test_ctx, |
1106 | connect_phase_t phase) | |
e0421bd8 EK |
1107 | { |
1108 | switch (phase) { | |
1109 | case HANDSHAKE: | |
9d75dce3 | 1110 | if (renegotiate_op(test_ctx) || post_handshake_op(test_ctx)) |
e42c4544 MC |
1111 | return RENEG_APPLICATION_DATA; |
1112 | return APPLICATION_DATA; | |
1113 | case RENEG_APPLICATION_DATA: | |
1114 | return RENEG_SETUP; | |
1115 | case RENEG_SETUP: | |
9d75dce3 | 1116 | if (post_handshake_op(test_ctx)) |
9b92f161 | 1117 | return APPLICATION_DATA; |
e42c4544 MC |
1118 | return RENEG_HANDSHAKE; |
1119 | case RENEG_HANDSHAKE: | |
e0421bd8 EK |
1120 | return APPLICATION_DATA; |
1121 | case APPLICATION_DATA: | |
1122 | return SHUTDOWN; | |
1123 | case SHUTDOWN: | |
1124 | return CONNECTION_DONE; | |
f3b3d7f0 | 1125 | case CONNECTION_DONE: |
ff281ee8 | 1126 | TEST_error("Trying to progress after connection done"); |
f3b3d7f0 | 1127 | break; |
e0421bd8 | 1128 | } |
f3b3d7f0 | 1129 | return -1; |
e0421bd8 EK |
1130 | } |
1131 | ||
fe7dd553 MC |
1132 | static void do_connect_step(const SSL_TEST_CTX *test_ctx, PEER *peer, |
1133 | connect_phase_t phase) | |
e0421bd8 EK |
1134 | { |
1135 | switch (phase) { | |
1136 | case HANDSHAKE: | |
1137 | do_handshake_step(peer); | |
1138 | break; | |
e42c4544 MC |
1139 | case RENEG_APPLICATION_DATA: |
1140 | do_app_data_step(peer); | |
1141 | break; | |
1142 | case RENEG_SETUP: | |
fe7dd553 | 1143 | do_reneg_setup_step(test_ctx, peer); |
e42c4544 MC |
1144 | break; |
1145 | case RENEG_HANDSHAKE: | |
1146 | do_handshake_step(peer); | |
1147 | break; | |
e0421bd8 EK |
1148 | case APPLICATION_DATA: |
1149 | do_app_data_step(peer); | |
1150 | break; | |
1151 | case SHUTDOWN: | |
1152 | do_shutdown_step(peer); | |
1153 | break; | |
f3b3d7f0 | 1154 | case CONNECTION_DONE: |
ff281ee8 | 1155 | TEST_error("Action after connection done"); |
f3b3d7f0 | 1156 | break; |
453dfd8d EK |
1157 | } |
1158 | } | |
1159 | ||
1160 | typedef enum { | |
1161 | /* Both parties succeeded. */ | |
1162 | HANDSHAKE_SUCCESS, | |
1163 | /* Client errored. */ | |
1164 | CLIENT_ERROR, | |
1165 | /* Server errored. */ | |
1166 | SERVER_ERROR, | |
1167 | /* Peers are in inconsistent state. */ | |
1168 | INTERNAL_ERROR, | |
1169 | /* One or both peers not done. */ | |
1170 | HANDSHAKE_RETRY | |
1171 | } handshake_status_t; | |
1172 | ||
1173 | /* | |
1174 | * Determine the handshake outcome. | |
1175 | * last_status: the status of the peer to have acted last. | |
1176 | * previous_status: the status of the peer that didn't act last. | |
1177 | * client_spoke_last: 1 if the client went last. | |
1178 | */ | |
1179 | static handshake_status_t handshake_status(peer_status_t last_status, | |
1180 | peer_status_t previous_status, | |
1181 | int client_spoke_last) | |
1182 | { | |
1183 | switch (last_status) { | |
ff281ee8 P |
1184 | case PEER_TEST_FAILURE: |
1185 | return INTERNAL_ERROR; | |
1186 | ||
561f6f1e MC |
1187 | case PEER_WAITING: |
1188 | /* Shouldn't ever happen */ | |
1189 | return INTERNAL_ERROR; | |
1190 | ||
453dfd8d EK |
1191 | case PEER_SUCCESS: |
1192 | switch (previous_status) { | |
ff281ee8 P |
1193 | case PEER_TEST_FAILURE: |
1194 | return INTERNAL_ERROR; | |
453dfd8d EK |
1195 | case PEER_SUCCESS: |
1196 | /* Both succeeded. */ | |
1197 | return HANDSHAKE_SUCCESS; | |
561f6f1e | 1198 | case PEER_WAITING: |
453dfd8d EK |
1199 | case PEER_RETRY: |
1200 | /* Let the first peer finish. */ | |
1201 | return HANDSHAKE_RETRY; | |
1202 | case PEER_ERROR: | |
1203 | /* | |
1204 | * Second peer succeeded despite the fact that the first peer | |
1205 | * already errored. This shouldn't happen. | |
1206 | */ | |
1207 | return INTERNAL_ERROR; | |
1208 | } | |
4d921bfb | 1209 | break; |
453dfd8d EK |
1210 | |
1211 | case PEER_RETRY: | |
83964ca0 MC |
1212 | return HANDSHAKE_RETRY; |
1213 | ||
453dfd8d EK |
1214 | case PEER_ERROR: |
1215 | switch (previous_status) { | |
ff281ee8 P |
1216 | case PEER_TEST_FAILURE: |
1217 | return INTERNAL_ERROR; | |
83964ca0 MC |
1218 | case PEER_WAITING: |
1219 | /* The client failed immediately before sending the ClientHello */ | |
1220 | return client_spoke_last ? CLIENT_ERROR : INTERNAL_ERROR; | |
453dfd8d EK |
1221 | case PEER_SUCCESS: |
1222 | /* | |
1223 | * First peer succeeded but second peer errored. | |
1224 | * TODO(emilia): we should be able to continue here (with some | |
1225 | * application data?) to ensure the first peer receives the | |
1226 | * alert / close_notify. | |
e0421bd8 | 1227 | * (No tests currently exercise this branch.) |
453dfd8d EK |
1228 | */ |
1229 | return client_spoke_last ? CLIENT_ERROR : SERVER_ERROR; | |
1230 | case PEER_RETRY: | |
1231 | /* We errored; let the peer finish. */ | |
1232 | return HANDSHAKE_RETRY; | |
1233 | case PEER_ERROR: | |
1234 | /* Both peers errored. Return the one that errored first. */ | |
1235 | return client_spoke_last ? SERVER_ERROR : CLIENT_ERROR; | |
1236 | } | |
1237 | } | |
1238 | /* Control should never reach here. */ | |
1239 | return INTERNAL_ERROR; | |
1240 | } | |
1241 | ||
ce2cdac2 EK |
1242 | /* Convert unsigned char buf's that shouldn't contain any NUL-bytes to char. */ |
1243 | static char *dup_str(const unsigned char *in, size_t len) | |
1244 | { | |
ff281ee8 | 1245 | char *ret = NULL; |
ce2cdac2 | 1246 | |
28b86f31 | 1247 | if (len == 0) |
ce2cdac2 EK |
1248 | return NULL; |
1249 | ||
1250 | /* Assert that the string does not contain NUL-bytes. */ | |
ff281ee8 P |
1251 | if (TEST_size_t_eq(OPENSSL_strnlen((const char*)(in), len), len)) |
1252 | TEST_ptr(ret = OPENSSL_strndup((const char*)(in), len)); | |
ce2cdac2 EK |
1253 | return ret; |
1254 | } | |
1255 | ||
7f5f35af DSH |
1256 | static int pkey_type(EVP_PKEY *pkey) |
1257 | { | |
1258 | int nid = EVP_PKEY_id(pkey); | |
1259 | ||
1260 | #ifndef OPENSSL_NO_EC | |
1261 | if (nid == EVP_PKEY_EC) { | |
1262 | const EC_KEY *ec = EVP_PKEY_get0_EC_KEY(pkey); | |
1263 | return EC_GROUP_get_curve_name(EC_KEY_get0_group(ec)); | |
1264 | } | |
1265 | #endif | |
1266 | return nid; | |
1267 | } | |
1268 | ||
1269 | static int peer_pkey_type(SSL *s) | |
1270 | { | |
1271 | X509 *x = SSL_get_peer_certificate(s); | |
1272 | ||
1273 | if (x != NULL) { | |
1274 | int nid = pkey_type(X509_get0_pubkey(x)); | |
1275 | ||
1276 | X509_free(x); | |
1277 | return nid; | |
1278 | } | |
1279 | return NID_undef; | |
1280 | } | |
1281 | ||
83964ca0 MC |
1282 | #if !defined(OPENSSL_NO_SCTP) && !defined(OPENSSL_NO_SOCK) |
1283 | static int set_sock_as_sctp(int sock) | |
1284 | { | |
1285 | /* | |
1286 | * For SCTP we have to set various options on the socket prior to | |
1287 | * connecting. This is done automatically by BIO_new_dgram_sctp(). | |
1288 | * We don't actually need the created BIO though so we free it again | |
1289 | * immediately. | |
1290 | */ | |
1291 | BIO *tmpbio = BIO_new_dgram_sctp(sock, BIO_NOCLOSE); | |
1292 | ||
1293 | if (tmpbio == NULL) | |
1294 | return 0; | |
1295 | BIO_free(tmpbio); | |
1296 | ||
1297 | return 1; | |
1298 | } | |
1299 | ||
1300 | static int create_sctp_socks(int *ssock, int *csock) | |
1301 | { | |
1302 | BIO_ADDRINFO *res = NULL; | |
1303 | const BIO_ADDRINFO *ai = NULL; | |
1304 | int lsock = INVALID_SOCKET, asock = INVALID_SOCKET; | |
1305 | int consock = INVALID_SOCKET; | |
1306 | int ret = 0; | |
1307 | int family = 0; | |
1308 | ||
9e1d5e8d | 1309 | if (BIO_sock_init() != 1) |
83964ca0 MC |
1310 | return 0; |
1311 | ||
1312 | /* | |
1313 | * Port is 4463. It could be anything. It will fail if it's already being | |
1314 | * used for some other SCTP service. It seems unlikely though so we don't | |
1315 | * worry about it here. | |
1316 | */ | |
1317 | if (!BIO_lookup_ex(NULL, "4463", BIO_LOOKUP_SERVER, family, SOCK_STREAM, | |
1318 | IPPROTO_SCTP, &res)) | |
1319 | return 0; | |
1320 | ||
1321 | for (ai = res; ai != NULL; ai = BIO_ADDRINFO_next(ai)) { | |
1322 | family = BIO_ADDRINFO_family(ai); | |
1323 | lsock = BIO_socket(family, SOCK_STREAM, IPPROTO_SCTP, 0); | |
1324 | if (lsock == INVALID_SOCKET) { | |
1325 | /* Maybe the kernel doesn't support the socket family, even if | |
1326 | * BIO_lookup() added it in the returned result... | |
1327 | */ | |
1328 | continue; | |
1329 | } | |
1330 | ||
1331 | if (!set_sock_as_sctp(lsock) | |
1332 | || !BIO_listen(lsock, BIO_ADDRINFO_address(ai), | |
1333 | BIO_SOCK_REUSEADDR)) { | |
1334 | BIO_closesocket(lsock); | |
1335 | lsock = INVALID_SOCKET; | |
1336 | continue; | |
1337 | } | |
1338 | ||
1339 | /* Success, don't try any more addresses */ | |
1340 | break; | |
1341 | } | |
1342 | ||
1343 | if (lsock == INVALID_SOCKET) | |
1344 | goto err; | |
1345 | ||
1346 | BIO_ADDRINFO_free(res); | |
1347 | res = NULL; | |
1348 | ||
1349 | if (!BIO_lookup_ex(NULL, "4463", BIO_LOOKUP_CLIENT, family, SOCK_STREAM, | |
1350 | IPPROTO_SCTP, &res)) | |
1351 | goto err; | |
1352 | ||
1353 | consock = BIO_socket(family, SOCK_STREAM, IPPROTO_SCTP, 0); | |
1354 | if (consock == INVALID_SOCKET) | |
1355 | goto err; | |
1356 | ||
1357 | if (!set_sock_as_sctp(consock) | |
1358 | || !BIO_connect(consock, BIO_ADDRINFO_address(res), 0) | |
1359 | || !BIO_socket_nbio(consock, 1)) | |
1360 | goto err; | |
1361 | ||
1362 | asock = BIO_accept_ex(lsock, NULL, BIO_SOCK_NONBLOCK); | |
1363 | if (asock == INVALID_SOCKET) | |
1364 | goto err; | |
1365 | ||
1366 | *csock = consock; | |
1367 | *ssock = asock; | |
1368 | consock = asock = INVALID_SOCKET; | |
1369 | ret = 1; | |
1370 | ||
1371 | err: | |
1372 | BIO_ADDRINFO_free(res); | |
1373 | if (consock != INVALID_SOCKET) | |
1374 | BIO_closesocket(consock); | |
1375 | if (lsock != INVALID_SOCKET) | |
1376 | BIO_closesocket(lsock); | |
1377 | if (asock != INVALID_SOCKET) | |
1378 | BIO_closesocket(asock); | |
1379 | return ret; | |
1380 | } | |
1381 | #endif | |
1382 | ||
6dc99745 EK |
1383 | /* |
1384 | * Note that |extra| points to the correct client/server configuration | |
1385 | * within |test_ctx|. When configuring the handshake, general mode settings | |
1386 | * are taken from |test_ctx|, and client/server-specific settings should be | |
1387 | * taken from |extra|. | |
1388 | * | |
1389 | * The configuration code should never reach into |test_ctx->extra| or | |
1390 | * |test_ctx->resume_extra| directly. | |
1391 | * | |
1392 | * (We could refactor test mode settings into a substructure. This would result | |
1393 | * in cleaner argument passing but would complicate the test configuration | |
1394 | * parsing.) | |
1395 | */ | |
590ed3d7 EK |
1396 | static HANDSHAKE_RESULT *do_handshake_internal( |
1397 | SSL_CTX *server_ctx, SSL_CTX *server2_ctx, SSL_CTX *client_ctx, | |
6dc99745 | 1398 | const SSL_TEST_CTX *test_ctx, const SSL_TEST_EXTRA_CONF *extra, |
e0421bd8 | 1399 | SSL_SESSION *session_in, SSL_SESSION **session_out) |
453dfd8d | 1400 | { |
e0421bd8 | 1401 | PEER server, client; |
83964ca0 | 1402 | BIO *client_to_server = NULL, *server_to_client = NULL; |
453dfd8d | 1403 | HANDSHAKE_EX_DATA server_ex_data, client_ex_data; |
ce2cdac2 EK |
1404 | CTX_DATA client_ctx_data, server_ctx_data, server2_ctx_data; |
1405 | HANDSHAKE_RESULT *ret = HANDSHAKE_RESULT_new(); | |
36ff232c | 1406 | int client_turn = 1, client_turn_count = 0, client_wait_count = 0; |
e0421bd8 | 1407 | connect_phase_t phase = HANDSHAKE; |
453dfd8d | 1408 | handshake_status_t status = HANDSHAKE_RETRY; |
48593cb1 | 1409 | const unsigned char* tick = NULL; |
ce2cdac2 | 1410 | size_t tick_len = 0; |
a84e5c9a TS |
1411 | const unsigned char* sess_id = NULL; |
1412 | unsigned int sess_id_len = 0; | |
5c753de6 | 1413 | SSL_SESSION* sess = NULL; |
ce2cdac2 EK |
1414 | const unsigned char *proto = NULL; |
1415 | /* API dictates unsigned int rather than size_t. */ | |
1416 | unsigned int proto_len = 0; | |
b93ad05d | 1417 | EVP_PKEY *tmp_key; |
f15b50c4 | 1418 | const STACK_OF(X509_NAME) *names; |
83964ca0 | 1419 | time_t start; |
e1c7871d | 1420 | const char* cipher; |
453dfd8d | 1421 | |
ff281ee8 P |
1422 | if (ret == NULL) |
1423 | return NULL; | |
1424 | ||
ce2cdac2 EK |
1425 | memset(&server_ctx_data, 0, sizeof(server_ctx_data)); |
1426 | memset(&server2_ctx_data, 0, sizeof(server2_ctx_data)); | |
1427 | memset(&client_ctx_data, 0, sizeof(client_ctx_data)); | |
e0421bd8 EK |
1428 | memset(&server, 0, sizeof(server)); |
1429 | memset(&client, 0, sizeof(client)); | |
20e237c0 P |
1430 | memset(&server_ex_data, 0, sizeof(server_ex_data)); |
1431 | memset(&client_ex_data, 0, sizeof(client_ex_data)); | |
ce2cdac2 | 1432 | |
ff281ee8 P |
1433 | if (!configure_handshake_ctx(server_ctx, server2_ctx, client_ctx, |
1434 | test_ctx, extra, &server_ctx_data, | |
1435 | &server2_ctx_data, &client_ctx_data)) { | |
1436 | TEST_note("configure_handshake_ctx"); | |
1437 | return NULL; | |
1438 | } | |
a263f320 | 1439 | |
e0421bd8 | 1440 | /* Setup SSL and buffers; additional configuration happens below. */ |
ff281ee8 P |
1441 | if (!create_peer(&server, server_ctx)) { |
1442 | TEST_note("creating server context"); | |
1443 | goto err; | |
1444 | } | |
1445 | if (!create_peer(&client, client_ctx)) { | |
1446 | TEST_note("creating client context"); | |
1447 | goto err; | |
1448 | } | |
453dfd8d | 1449 | |
6dc99745 EK |
1450 | server.bytes_to_write = client.bytes_to_read = test_ctx->app_data_size; |
1451 | client.bytes_to_write = server.bytes_to_read = test_ctx->app_data_size; | |
e0421bd8 EK |
1452 | |
1453 | configure_handshake_ssl(server.ssl, client.ssl, extra); | |
590ed3d7 EK |
1454 | if (session_in != NULL) { |
1455 | /* In case we're testing resumption without tickets. */ | |
ff281ee8 P |
1456 | if (!TEST_true(SSL_CTX_add_session(server_ctx, session_in)) |
1457 | || !TEST_true(SSL_set_session(client.ssl, session_in))) | |
1458 | goto err; | |
590ed3d7 | 1459 | } |
5c753de6 | 1460 | |
ce2cdac2 | 1461 | ret->result = SSL_TEST_INTERNAL_ERROR; |
453dfd8d | 1462 | |
83964ca0 MC |
1463 | if (test_ctx->use_sctp) { |
1464 | #if !defined(OPENSSL_NO_SCTP) && !defined(OPENSSL_NO_SOCK) | |
1465 | int csock, ssock; | |
1466 | ||
1467 | if (create_sctp_socks(&ssock, &csock)) { | |
1468 | client_to_server = BIO_new_dgram_sctp(csock, BIO_CLOSE); | |
1469 | server_to_client = BIO_new_dgram_sctp(ssock, BIO_CLOSE); | |
1470 | } | |
1471 | #endif | |
1472 | } else { | |
1473 | client_to_server = BIO_new(BIO_s_mem()); | |
1474 | server_to_client = BIO_new(BIO_s_mem()); | |
1475 | } | |
453dfd8d | 1476 | |
ff281ee8 P |
1477 | if (!TEST_ptr(client_to_server) |
1478 | || !TEST_ptr(server_to_client)) | |
1479 | goto err; | |
453dfd8d EK |
1480 | |
1481 | /* Non-blocking bio. */ | |
1482 | BIO_set_nbio(client_to_server, 1); | |
1483 | BIO_set_nbio(server_to_client, 1); | |
1484 | ||
e0421bd8 EK |
1485 | SSL_set_connect_state(client.ssl); |
1486 | SSL_set_accept_state(server.ssl); | |
453dfd8d EK |
1487 | |
1488 | /* The bios are now owned by the SSL object. */ | |
83964ca0 MC |
1489 | if (test_ctx->use_sctp) { |
1490 | SSL_set_bio(client.ssl, client_to_server, client_to_server); | |
1491 | SSL_set_bio(server.ssl, server_to_client, server_to_client); | |
1492 | } else { | |
1493 | SSL_set_bio(client.ssl, server_to_client, client_to_server); | |
ff281ee8 P |
1494 | if (!TEST_int_gt(BIO_up_ref(server_to_client), 0) |
1495 | || !TEST_int_gt(BIO_up_ref(client_to_server), 0)) | |
1496 | goto err; | |
83964ca0 MC |
1497 | SSL_set_bio(server.ssl, client_to_server, server_to_client); |
1498 | } | |
453dfd8d EK |
1499 | |
1500 | ex_data_idx = SSL_get_ex_new_index(0, "ex data", NULL, NULL, NULL); | |
ff281ee8 P |
1501 | if (!TEST_int_ge(ex_data_idx, 0) |
1502 | || !TEST_int_eq(SSL_set_ex_data(server.ssl, ex_data_idx, &server_ex_data), 1) | |
1503 | || !TEST_int_eq(SSL_set_ex_data(client.ssl, ex_data_idx, &client_ex_data), 1)) | |
1504 | goto err; | |
e0421bd8 EK |
1505 | |
1506 | SSL_set_info_callback(server.ssl, &info_cb); | |
1507 | SSL_set_info_callback(client.ssl, &info_cb); | |
453dfd8d | 1508 | |
83964ca0 MC |
1509 | client.status = PEER_RETRY; |
1510 | server.status = PEER_WAITING; | |
1511 | ||
1512 | start = time(NULL); | |
453dfd8d EK |
1513 | |
1514 | /* | |
1515 | * Half-duplex handshake loop. | |
1516 | * Client and server speak to each other synchronously in the same process. | |
1517 | * We use non-blocking BIOs, so whenever one peer blocks for read, it | |
1518 | * returns PEER_RETRY to indicate that it's the other peer's turn to write. | |
1519 | * The handshake succeeds once both peers have succeeded. If one peer | |
1520 | * errors out, we also let the other peer retry (and presumably fail). | |
1521 | */ | |
1522 | for(;;) { | |
1523 | if (client_turn) { | |
fe7dd553 | 1524 | do_connect_step(test_ctx, &client, phase); |
e0421bd8 | 1525 | status = handshake_status(client.status, server.status, |
453dfd8d | 1526 | 1 /* client went last */); |
83964ca0 MC |
1527 | if (server.status == PEER_WAITING) |
1528 | server.status = PEER_RETRY; | |
453dfd8d | 1529 | } else { |
fe7dd553 | 1530 | do_connect_step(test_ctx, &server, phase); |
e0421bd8 | 1531 | status = handshake_status(server.status, client.status, |
453dfd8d EK |
1532 | 0 /* server went last */); |
1533 | } | |
1534 | ||
1535 | switch (status) { | |
1536 | case HANDSHAKE_SUCCESS: | |
ceb6d746 | 1537 | client_turn_count = 0; |
e42c4544 | 1538 | phase = next_phase(test_ctx, phase); |
e0421bd8 | 1539 | if (phase == CONNECTION_DONE) { |
590ed3d7 EK |
1540 | ret->result = SSL_TEST_SUCCESS; |
1541 | goto err; | |
1542 | } else { | |
e0421bd8 EK |
1543 | client.status = server.status = PEER_RETRY; |
1544 | /* | |
1545 | * For now, client starts each phase. Since each phase is | |
1546 | * started separately, we can later control this more | |
1547 | * precisely, for example, to test client-initiated and | |
1548 | * server-initiated shutdown. | |
1549 | */ | |
590ed3d7 EK |
1550 | client_turn = 1; |
1551 | break; | |
1552 | } | |
453dfd8d | 1553 | case CLIENT_ERROR: |
ce2cdac2 | 1554 | ret->result = SSL_TEST_CLIENT_FAIL; |
453dfd8d EK |
1555 | goto err; |
1556 | case SERVER_ERROR: | |
ce2cdac2 | 1557 | ret->result = SSL_TEST_SERVER_FAIL; |
453dfd8d EK |
1558 | goto err; |
1559 | case INTERNAL_ERROR: | |
ce2cdac2 | 1560 | ret->result = SSL_TEST_INTERNAL_ERROR; |
453dfd8d EK |
1561 | goto err; |
1562 | case HANDSHAKE_RETRY: | |
83964ca0 MC |
1563 | if (test_ctx->use_sctp) { |
1564 | if (time(NULL) - start > 3) { | |
1565 | /* | |
1566 | * We've waited for too long. Give up. | |
1567 | */ | |
1568 | ret->result = SSL_TEST_INTERNAL_ERROR; | |
1569 | goto err; | |
1570 | } | |
ceb6d746 | 1571 | /* |
83964ca0 MC |
1572 | * With "real" sockets we only swap to processing the peer |
1573 | * if they are expecting to retry. Otherwise we just retry the | |
1574 | * same endpoint again. | |
ceb6d746 | 1575 | */ |
83964ca0 MC |
1576 | if ((client_turn && server.status == PEER_RETRY) |
1577 | || (!client_turn && client.status == PEER_RETRY)) | |
1578 | client_turn ^= 1; | |
1579 | } else { | |
1580 | if (client_turn_count++ >= 2000) { | |
1581 | /* | |
1582 | * At this point, there's been so many PEER_RETRY in a row | |
1583 | * that it's likely both sides are stuck waiting for a read. | |
1584 | * It's time to give up. | |
1585 | */ | |
1586 | ret->result = SSL_TEST_INTERNAL_ERROR; | |
1587 | goto err; | |
1588 | } | |
36ff232c MC |
1589 | if (client_turn && server.status == PEER_SUCCESS) { |
1590 | /* | |
1591 | * The server may finish before the client because the | |
1592 | * client spends some turns processing NewSessionTickets. | |
1593 | */ | |
1594 | if (client_wait_count++ >= 2) { | |
1595 | ret->result = SSL_TEST_INTERNAL_ERROR; | |
1596 | goto err; | |
1597 | } | |
1598 | } else { | |
1599 | /* Continue. */ | |
1600 | client_turn ^= 1; | |
1601 | } | |
83964ca0 | 1602 | } |
453dfd8d EK |
1603 | break; |
1604 | } | |
1605 | } | |
1606 | err: | |
ce2cdac2 | 1607 | ret->server_alert_sent = server_ex_data.alert_sent; |
dd8e5a57 | 1608 | ret->server_num_fatal_alerts_sent = server_ex_data.num_fatal_alerts_sent; |
ce2cdac2 EK |
1609 | ret->server_alert_received = client_ex_data.alert_received; |
1610 | ret->client_alert_sent = client_ex_data.alert_sent; | |
dd8e5a57 | 1611 | ret->client_num_fatal_alerts_sent = client_ex_data.num_fatal_alerts_sent; |
ce2cdac2 | 1612 | ret->client_alert_received = server_ex_data.alert_received; |
e0421bd8 EK |
1613 | ret->server_protocol = SSL_version(server.ssl); |
1614 | ret->client_protocol = SSL_version(client.ssl); | |
ce2cdac2 | 1615 | ret->servername = server_ex_data.servername; |
a84e5c9a | 1616 | if ((sess = SSL_get0_session(client.ssl)) != NULL) { |
ce2cdac2 | 1617 | SSL_SESSION_get0_ticket(sess, &tick, &tick_len); |
a84e5c9a TS |
1618 | sess_id = SSL_SESSION_get_id(sess, &sess_id_len); |
1619 | } | |
ce2cdac2 EK |
1620 | if (tick == NULL || tick_len == 0) |
1621 | ret->session_ticket = SSL_TEST_SESSION_TICKET_NO; | |
5c753de6 | 1622 | else |
ce2cdac2 | 1623 | ret->session_ticket = SSL_TEST_SESSION_TICKET_YES; |
439db0c9 MC |
1624 | ret->compression = (SSL_get_current_compression(client.ssl) == NULL) |
1625 | ? SSL_TEST_COMPRESSION_NO | |
1626 | : SSL_TEST_COMPRESSION_YES; | |
a84e5c9a TS |
1627 | if (sess_id == NULL || sess_id_len == 0) |
1628 | ret->session_id = SSL_TEST_SESSION_ID_NO; | |
1629 | else | |
1630 | ret->session_id = SSL_TEST_SESSION_ID_YES; | |
ce2cdac2 EK |
1631 | ret->session_ticket_do_not_call = server_ex_data.session_ticket_do_not_call; |
1632 | ||
620c6ad3 | 1633 | #ifndef OPENSSL_NO_NEXTPROTONEG |
e0421bd8 | 1634 | SSL_get0_next_proto_negotiated(client.ssl, &proto, &proto_len); |
ce2cdac2 EK |
1635 | ret->client_npn_negotiated = dup_str(proto, proto_len); |
1636 | ||
e0421bd8 | 1637 | SSL_get0_next_proto_negotiated(server.ssl, &proto, &proto_len); |
ce2cdac2 | 1638 | ret->server_npn_negotiated = dup_str(proto, proto_len); |
7b7cea6d | 1639 | #endif |
ce2cdac2 | 1640 | |
e0421bd8 | 1641 | SSL_get0_alpn_selected(client.ssl, &proto, &proto_len); |
ce2cdac2 EK |
1642 | ret->client_alpn_negotiated = dup_str(proto, proto_len); |
1643 | ||
e0421bd8 | 1644 | SSL_get0_alpn_selected(server.ssl, &proto, &proto_len); |
ce2cdac2 | 1645 | ret->server_alpn_negotiated = dup_str(proto, proto_len); |
453dfd8d | 1646 | |
df0fed9a TS |
1647 | if ((sess = SSL_get0_session(server.ssl)) != NULL) { |
1648 | SSL_SESSION_get0_ticket_appdata(sess, (void**)&tick, &tick_len); | |
1649 | ret->result_session_ticket_app_data = OPENSSL_strndup((const char*)tick, tick_len); | |
1650 | } | |
1651 | ||
e0421bd8 EK |
1652 | ret->client_resumed = SSL_session_reused(client.ssl); |
1653 | ret->server_resumed = SSL_session_reused(server.ssl); | |
590ed3d7 | 1654 | |
e1c7871d TS |
1655 | cipher = SSL_CIPHER_get_name(SSL_get_current_cipher(client.ssl)); |
1656 | ret->cipher = dup_str((const unsigned char*)cipher, strlen(cipher)); | |
1657 | ||
590ed3d7 | 1658 | if (session_out != NULL) |
e0421bd8 | 1659 | *session_out = SSL_get1_session(client.ssl); |
590ed3d7 | 1660 | |
b93ad05d | 1661 | if (SSL_get_server_tmp_key(client.ssl, &tmp_key)) { |
7f5f35af | 1662 | ret->tmp_key_type = pkey_type(tmp_key); |
b93ad05d | 1663 | EVP_PKEY_free(tmp_key); |
b93ad05d DSH |
1664 | } |
1665 | ||
ee5b6a42 DSH |
1666 | SSL_get_peer_signature_nid(client.ssl, &ret->server_sign_hash); |
1667 | SSL_get_peer_signature_nid(server.ssl, &ret->client_sign_hash); | |
1668 | ||
54b7f2a5 DSH |
1669 | SSL_get_peer_signature_type_nid(client.ssl, &ret->server_sign_type); |
1670 | SSL_get_peer_signature_type_nid(server.ssl, &ret->client_sign_type); | |
1671 | ||
f15b50c4 | 1672 | names = SSL_get0_peer_CA_list(client.ssl); |
2e21539b DSH |
1673 | if (names == NULL) |
1674 | ret->client_ca_names = NULL; | |
1675 | else | |
1676 | ret->client_ca_names = SSL_dup_CA_list(names); | |
1677 | ||
f15b50c4 DSH |
1678 | names = SSL_get0_peer_CA_list(server.ssl); |
1679 | if (names == NULL) | |
1680 | ret->server_ca_names = NULL; | |
1681 | else | |
1682 | ret->server_ca_names = SSL_dup_CA_list(names); | |
1683 | ||
7f5f35af DSH |
1684 | ret->server_cert_type = peer_pkey_type(client.ssl); |
1685 | ret->client_cert_type = peer_pkey_type(server.ssl); | |
1686 | ||
ce2cdac2 EK |
1687 | ctx_data_free_data(&server_ctx_data); |
1688 | ctx_data_free_data(&server2_ctx_data); | |
1689 | ctx_data_free_data(&client_ctx_data); | |
590ed3d7 | 1690 | |
e0421bd8 EK |
1691 | peer_free_data(&server); |
1692 | peer_free_data(&client); | |
453dfd8d EK |
1693 | return ret; |
1694 | } | |
590ed3d7 EK |
1695 | |
1696 | HANDSHAKE_RESULT *do_handshake(SSL_CTX *server_ctx, SSL_CTX *server2_ctx, | |
1697 | SSL_CTX *client_ctx, SSL_CTX *resume_server_ctx, | |
11279b13 | 1698 | SSL_CTX *resume_client_ctx, |
590ed3d7 EK |
1699 | const SSL_TEST_CTX *test_ctx) |
1700 | { | |
1701 | HANDSHAKE_RESULT *result; | |
1702 | SSL_SESSION *session = NULL; | |
1703 | ||
1704 | result = do_handshake_internal(server_ctx, server2_ctx, client_ctx, | |
6dc99745 | 1705 | test_ctx, &test_ctx->extra, |
e0421bd8 | 1706 | NULL, &session); |
ff281ee8 P |
1707 | if (result == NULL |
1708 | || test_ctx->handshake_mode != SSL_TEST_HANDSHAKE_RESUME | |
1709 | || result->result == SSL_TEST_INTERNAL_ERROR) | |
590ed3d7 EK |
1710 | goto end; |
1711 | ||
590ed3d7 EK |
1712 | if (result->result != SSL_TEST_SUCCESS) { |
1713 | result->result = SSL_TEST_FIRST_HANDSHAKE_FAILED; | |
e0421bd8 | 1714 | goto end; |
590ed3d7 EK |
1715 | } |
1716 | ||
1717 | HANDSHAKE_RESULT_free(result); | |
1718 | /* We don't support SNI on second handshake yet, so server2_ctx is NULL. */ | |
11279b13 | 1719 | result = do_handshake_internal(resume_server_ctx, NULL, resume_client_ctx, |
6dc99745 | 1720 | test_ctx, &test_ctx->resume_extra, |
e0421bd8 | 1721 | session, NULL); |
590ed3d7 EK |
1722 | end: |
1723 | SSL_SESSION_free(session); | |
1724 | return result; | |
1725 | } |