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453dfd8d | 1 | /* |
72a7a702 | 2 | * Copyright 2016-2019 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 | |
b5acbf91 | 19 | #include "../ssl/ssl_local.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 | |
243ff51c MT |
25 | #if !defined(OPENSSL_NO_SCTP) && !defined(OPENSSL_NO_SOCK) |
26 | #include <netinet/sctp.h> | |
27 | #endif | |
28 | ||
3cb7c5cf | 29 | HANDSHAKE_RESULT *HANDSHAKE_RESULT_new(void) |
ce2cdac2 | 30 | { |
ff281ee8 P |
31 | HANDSHAKE_RESULT *ret; |
32 | ||
33 | TEST_ptr(ret = OPENSSL_zalloc(sizeof(*ret))); | |
ce2cdac2 EK |
34 | return ret; |
35 | } | |
36 | ||
37 | void HANDSHAKE_RESULT_free(HANDSHAKE_RESULT *result) | |
38 | { | |
2f35e6a3 EK |
39 | if (result == NULL) |
40 | return; | |
ce2cdac2 EK |
41 | OPENSSL_free(result->client_npn_negotiated); |
42 | OPENSSL_free(result->server_npn_negotiated); | |
43 | OPENSSL_free(result->client_alpn_negotiated); | |
44 | OPENSSL_free(result->server_alpn_negotiated); | |
df0fed9a | 45 | OPENSSL_free(result->result_session_ticket_app_data); |
f15b50c4 | 46 | sk_X509_NAME_pop_free(result->server_ca_names, X509_NAME_free); |
2e21539b | 47 | sk_X509_NAME_pop_free(result->client_ca_names, X509_NAME_free); |
e1c7871d | 48 | OPENSSL_free(result->cipher); |
ce2cdac2 EK |
49 | OPENSSL_free(result); |
50 | } | |
51 | ||
453dfd8d EK |
52 | /* |
53 | * Since there appears to be no way to extract the sent/received alert | |
54 | * from the SSL object directly, we use the info callback and stash | |
55 | * the result in ex_data. | |
56 | */ | |
e0421bd8 | 57 | typedef struct handshake_ex_data_st { |
453dfd8d | 58 | int alert_sent; |
dd8e5a57 | 59 | int num_fatal_alerts_sent; |
453dfd8d | 60 | int alert_received; |
5c753de6 | 61 | int session_ticket_do_not_call; |
d2b23cd2 | 62 | ssl_servername_t servername; |
453dfd8d EK |
63 | } HANDSHAKE_EX_DATA; |
64 | ||
e0421bd8 | 65 | typedef struct ctx_data_st { |
ce2cdac2 EK |
66 | unsigned char *npn_protocols; |
67 | size_t npn_protocols_len; | |
68 | unsigned char *alpn_protocols; | |
69 | size_t alpn_protocols_len; | |
ea1ecd98 EK |
70 | char *srp_user; |
71 | char *srp_password; | |
df0fed9a | 72 | char *session_ticket_app_data; |
ce2cdac2 EK |
73 | } CTX_DATA; |
74 | ||
75 | /* |ctx_data| itself is stack-allocated. */ | |
76 | static void ctx_data_free_data(CTX_DATA *ctx_data) | |
77 | { | |
78 | OPENSSL_free(ctx_data->npn_protocols); | |
79 | ctx_data->npn_protocols = NULL; | |
80 | OPENSSL_free(ctx_data->alpn_protocols); | |
81 | ctx_data->alpn_protocols = NULL; | |
ea1ecd98 EK |
82 | OPENSSL_free(ctx_data->srp_user); |
83 | ctx_data->srp_user = NULL; | |
84 | OPENSSL_free(ctx_data->srp_password); | |
85 | ctx_data->srp_password = NULL; | |
df0fed9a TS |
86 | OPENSSL_free(ctx_data->session_ticket_app_data); |
87 | ctx_data->session_ticket_app_data = NULL; | |
ce2cdac2 EK |
88 | } |
89 | ||
453dfd8d EK |
90 | static int ex_data_idx; |
91 | ||
a8c82fa0 | 92 | static void info_cb(const SSL *s, int where, int ret) |
453dfd8d EK |
93 | { |
94 | if (where & SSL_CB_ALERT) { | |
95 | HANDSHAKE_EX_DATA *ex_data = | |
96 | (HANDSHAKE_EX_DATA*)(SSL_get_ex_data(s, ex_data_idx)); | |
97 | if (where & SSL_CB_WRITE) { | |
98 | ex_data->alert_sent = ret; | |
dd8e5a57 EK |
99 | if (strcmp(SSL_alert_type_string(ret), "F") == 0 |
100 | || strcmp(SSL_alert_desc_string(ret), "CN") == 0) | |
101 | ex_data->num_fatal_alerts_sent++; | |
453dfd8d EK |
102 | } else { |
103 | ex_data->alert_received = ret; | |
104 | } | |
105 | } | |
106 | } | |
107 | ||
ce2cdac2 | 108 | /* Select the appropriate server CTX. |
d2b23cd2 EK |
109 | * Returns SSL_TLSEXT_ERR_OK if a match was found. |
110 | * If |ignore| is 1, returns SSL_TLSEXT_ERR_NOACK on mismatch. | |
111 | * Otherwise, returns SSL_TLSEXT_ERR_ALERT_FATAL on mismatch. | |
112 | * An empty SNI extension also returns SSL_TSLEXT_ERR_NOACK. | |
113 | */ | |
114 | static int select_server_ctx(SSL *s, void *arg, int ignore) | |
81fc33c9 EK |
115 | { |
116 | const char *servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name); | |
d2b23cd2 EK |
117 | HANDSHAKE_EX_DATA *ex_data = |
118 | (HANDSHAKE_EX_DATA*)(SSL_get_ex_data(s, ex_data_idx)); | |
119 | ||
120 | if (servername == NULL) { | |
121 | ex_data->servername = SSL_TEST_SERVERNAME_SERVER1; | |
122 | return SSL_TLSEXT_ERR_NOACK; | |
123 | } | |
124 | ||
125 | if (strcmp(servername, "server2") == 0) { | |
81fc33c9 EK |
126 | SSL_CTX *new_ctx = (SSL_CTX*)arg; |
127 | SSL_set_SSL_CTX(s, new_ctx); | |
128 | /* | |
129 | * Copy over all the SSL_CTX options - reasonable behavior | |
130 | * allows testing of cases where the options between two | |
131 | * contexts differ/conflict | |
132 | */ | |
133 | SSL_clear_options(s, 0xFFFFFFFFL); | |
134 | SSL_set_options(s, SSL_CTX_get_options(new_ctx)); | |
d2b23cd2 EK |
135 | |
136 | ex_data->servername = SSL_TEST_SERVERNAME_SERVER2; | |
137 | return SSL_TLSEXT_ERR_OK; | |
138 | } else if (strcmp(servername, "server1") == 0) { | |
139 | ex_data->servername = SSL_TEST_SERVERNAME_SERVER1; | |
140 | return SSL_TLSEXT_ERR_OK; | |
141 | } else if (ignore) { | |
142 | ex_data->servername = SSL_TEST_SERVERNAME_SERVER1; | |
143 | return SSL_TLSEXT_ERR_NOACK; | |
144 | } else { | |
145 | /* Don't set an explicit alert, to test library defaults. */ | |
146 | return SSL_TLSEXT_ERR_ALERT_FATAL; | |
81fc33c9 | 147 | } |
d2b23cd2 EK |
148 | } |
149 | ||
a9c0d8be | 150 | static int client_hello_select_server_ctx(SSL *s, void *arg, int ignore) |
80de0c59 BK |
151 | { |
152 | const char *servername; | |
153 | const unsigned char *p; | |
154 | size_t len, remaining; | |
155 | HANDSHAKE_EX_DATA *ex_data = | |
156 | (HANDSHAKE_EX_DATA*)(SSL_get_ex_data(s, ex_data_idx)); | |
157 | ||
158 | /* | |
159 | * The server_name extension was given too much extensibility when it | |
160 | * was written, so parsing the normal case is a bit complex. | |
161 | */ | |
a9c0d8be DB |
162 | if (!SSL_client_hello_get0_ext(s, TLSEXT_TYPE_server_name, &p, |
163 | &remaining) || | |
80de0c59 BK |
164 | remaining <= 2) |
165 | return 0; | |
166 | /* Extract the length of the supplied list of names. */ | |
c4604e9b | 167 | len = (*(p++) << 8); |
80de0c59 BK |
168 | len += *(p++); |
169 | if (len + 2 != remaining) | |
170 | return 0; | |
171 | remaining = len; | |
172 | /* | |
173 | * The list in practice only has a single element, so we only consider | |
174 | * the first one. | |
175 | */ | |
176 | if (remaining == 0 || *p++ != TLSEXT_NAMETYPE_host_name) | |
177 | return 0; | |
178 | remaining--; | |
179 | /* Now we can finally pull out the byte array with the actual hostname. */ | |
180 | if (remaining <= 2) | |
181 | return 0; | |
c4604e9b | 182 | len = (*(p++) << 8); |
80de0c59 BK |
183 | len += *(p++); |
184 | if (len + 2 > remaining) | |
185 | return 0; | |
186 | remaining = len; | |
187 | servername = (const char *)p; | |
188 | ||
189 | if (len == strlen("server2") && strncmp(servername, "server2", len) == 0) { | |
190 | SSL_CTX *new_ctx = arg; | |
191 | SSL_set_SSL_CTX(s, new_ctx); | |
192 | /* | |
193 | * Copy over all the SSL_CTX options - reasonable behavior | |
194 | * allows testing of cases where the options between two | |
195 | * contexts differ/conflict | |
196 | */ | |
197 | SSL_clear_options(s, 0xFFFFFFFFL); | |
198 | SSL_set_options(s, SSL_CTX_get_options(new_ctx)); | |
199 | ||
200 | ex_data->servername = SSL_TEST_SERVERNAME_SERVER2; | |
201 | return 1; | |
202 | } else if (len == strlen("server1") && | |
203 | strncmp(servername, "server1", len) == 0) { | |
204 | ex_data->servername = SSL_TEST_SERVERNAME_SERVER1; | |
205 | return 1; | |
206 | } else if (ignore) { | |
207 | ex_data->servername = SSL_TEST_SERVERNAME_SERVER1; | |
208 | return 1; | |
209 | } | |
210 | return 0; | |
211 | } | |
d2b23cd2 EK |
212 | /* |
213 | * (RFC 6066): | |
214 | * If the server understood the ClientHello extension but | |
215 | * does not recognize the server name, the server SHOULD take one of two | |
216 | * actions: either abort the handshake by sending a fatal-level | |
217 | * unrecognized_name(112) alert or continue the handshake. | |
218 | * | |
219 | * This behaviour is up to the application to configure; we test both | |
220 | * configurations to ensure the state machine propagates the result | |
221 | * correctly. | |
222 | */ | |
223 | static int servername_ignore_cb(SSL *s, int *ad, void *arg) | |
224 | { | |
225 | return select_server_ctx(s, arg, 1); | |
226 | } | |
227 | ||
228 | static int servername_reject_cb(SSL *s, int *ad, void *arg) | |
229 | { | |
230 | return select_server_ctx(s, arg, 0); | |
81fc33c9 EK |
231 | } |
232 | ||
a9c0d8be | 233 | static int client_hello_ignore_cb(SSL *s, int *al, void *arg) |
80de0c59 | 234 | { |
a9c0d8be | 235 | if (!client_hello_select_server_ctx(s, arg, 1)) { |
80de0c59 | 236 | *al = SSL_AD_UNRECOGNIZED_NAME; |
f1b97da1 | 237 | return SSL_CLIENT_HELLO_ERROR; |
80de0c59 | 238 | } |
f1b97da1 | 239 | return SSL_CLIENT_HELLO_SUCCESS; |
80de0c59 BK |
240 | } |
241 | ||
a9c0d8be | 242 | static int client_hello_reject_cb(SSL *s, int *al, void *arg) |
80de0c59 | 243 | { |
a9c0d8be | 244 | if (!client_hello_select_server_ctx(s, arg, 0)) { |
80de0c59 | 245 | *al = SSL_AD_UNRECOGNIZED_NAME; |
f1b97da1 | 246 | return SSL_CLIENT_HELLO_ERROR; |
80de0c59 | 247 | } |
f1b97da1 | 248 | return SSL_CLIENT_HELLO_SUCCESS; |
80de0c59 BK |
249 | } |
250 | ||
a9c0d8be | 251 | static int client_hello_nov12_cb(SSL *s, int *al, void *arg) |
80de0c59 BK |
252 | { |
253 | int ret; | |
254 | unsigned int v; | |
255 | const unsigned char *p; | |
256 | ||
a9c0d8be | 257 | v = SSL_client_hello_get0_legacy_version(s); |
80de0c59 BK |
258 | if (v > TLS1_2_VERSION || v < SSL3_VERSION) { |
259 | *al = SSL_AD_PROTOCOL_VERSION; | |
f1b97da1 | 260 | return SSL_CLIENT_HELLO_ERROR; |
80de0c59 | 261 | } |
a9c0d8be | 262 | (void)SSL_client_hello_get0_session_id(s, &p); |
80de0c59 | 263 | if (p == NULL || |
a9c0d8be DB |
264 | SSL_client_hello_get0_random(s, &p) == 0 || |
265 | SSL_client_hello_get0_ciphers(s, &p) == 0 || | |
266 | SSL_client_hello_get0_compression_methods(s, &p) == 0) { | |
80de0c59 | 267 | *al = SSL_AD_INTERNAL_ERROR; |
f1b97da1 | 268 | return SSL_CLIENT_HELLO_ERROR; |
80de0c59 | 269 | } |
a9c0d8be | 270 | ret = client_hello_select_server_ctx(s, arg, 0); |
80de0c59 | 271 | SSL_set_max_proto_version(s, TLS1_1_VERSION); |
f1b97da1 | 272 | if (!ret) { |
80de0c59 | 273 | *al = SSL_AD_UNRECOGNIZED_NAME; |
f1b97da1 DB |
274 | return SSL_CLIENT_HELLO_ERROR; |
275 | } | |
276 | return SSL_CLIENT_HELLO_SUCCESS; | |
80de0c59 BK |
277 | } |
278 | ||
767ccc3b MC |
279 | static unsigned char dummy_ocsp_resp_good_val = 0xff; |
280 | static unsigned char dummy_ocsp_resp_bad_val = 0xfe; | |
281 | ||
282 | static int server_ocsp_cb(SSL *s, void *arg) | |
283 | { | |
284 | unsigned char *resp; | |
285 | ||
286 | resp = OPENSSL_malloc(1); | |
287 | if (resp == NULL) | |
288 | return SSL_TLSEXT_ERR_ALERT_FATAL; | |
289 | /* | |
290 | * For the purposes of testing we just send back a dummy OCSP response | |
291 | */ | |
292 | *resp = *(unsigned char *)arg; | |
293 | if (!SSL_set_tlsext_status_ocsp_resp(s, resp, 1)) | |
294 | return SSL_TLSEXT_ERR_ALERT_FATAL; | |
295 | ||
296 | return SSL_TLSEXT_ERR_OK; | |
297 | } | |
298 | ||
299 | static int client_ocsp_cb(SSL *s, void *arg) | |
300 | { | |
301 | const unsigned char *resp; | |
302 | int len; | |
303 | ||
304 | len = SSL_get_tlsext_status_ocsp_resp(s, &resp); | |
305 | if (len != 1 || *resp != dummy_ocsp_resp_good_val) | |
306 | return 0; | |
307 | ||
308 | return 1; | |
309 | } | |
310 | ||
a8c82fa0 | 311 | static int verify_reject_cb(X509_STORE_CTX *ctx, void *arg) { |
a263f320 EK |
312 | X509_STORE_CTX_set_error(ctx, X509_V_ERR_APPLICATION_VERIFICATION); |
313 | return 0; | |
314 | } | |
315 | ||
a8c82fa0 | 316 | static int verify_accept_cb(X509_STORE_CTX *ctx, void *arg) { |
a263f320 EK |
317 | return 1; |
318 | } | |
319 | ||
ce2cdac2 | 320 | static int broken_session_ticket_cb(SSL *s, unsigned char *key_name, unsigned char *iv, |
a8c82fa0 | 321 | EVP_CIPHER_CTX *ctx, HMAC_CTX *hctx, int enc) |
5c753de6 TS |
322 | { |
323 | return 0; | |
324 | } | |
325 | ||
ce2cdac2 | 326 | static int do_not_call_session_ticket_cb(SSL *s, unsigned char *key_name, |
a8c82fa0 RL |
327 | unsigned char *iv, |
328 | EVP_CIPHER_CTX *ctx, | |
329 | HMAC_CTX *hctx, int enc) | |
5c753de6 TS |
330 | { |
331 | HANDSHAKE_EX_DATA *ex_data = | |
332 | (HANDSHAKE_EX_DATA*)(SSL_get_ex_data(s, ex_data_idx)); | |
333 | ex_data->session_ticket_do_not_call = 1; | |
334 | return 0; | |
335 | } | |
336 | ||
ce2cdac2 | 337 | /* Parse the comma-separated list into TLS format. */ |
ff281ee8 | 338 | static int parse_protos(const char *protos, unsigned char **out, size_t *outlen) |
ce2cdac2 EK |
339 | { |
340 | size_t len, i, prefix; | |
341 | ||
342 | len = strlen(protos); | |
343 | ||
344 | /* Should never have reuse. */ | |
ff281ee8 P |
345 | if (!TEST_ptr_null(*out) |
346 | /* Test values are small, so we omit length limit checks. */ | |
347 | || !TEST_ptr(*out = OPENSSL_malloc(len + 1))) | |
348 | return 0; | |
ce2cdac2 EK |
349 | *outlen = len + 1; |
350 | ||
351 | /* | |
352 | * foo => '3', 'f', 'o', 'o' | |
353 | * foo,bar => '3', 'f', 'o', 'o', '3', 'b', 'a', 'r' | |
354 | */ | |
355 | memcpy(*out + 1, protos, len); | |
356 | ||
357 | prefix = 0; | |
358 | i = prefix + 1; | |
359 | while (i <= len) { | |
360 | if ((*out)[i] == ',') { | |
ff281ee8 P |
361 | if (!TEST_int_gt(i - 1, prefix)) |
362 | goto err; | |
3a63c0ed | 363 | (*out)[prefix] = (unsigned char)(i - 1 - prefix); |
ce2cdac2 EK |
364 | prefix = i; |
365 | } | |
366 | i++; | |
367 | } | |
ff281ee8 P |
368 | if (!TEST_int_gt(len, prefix)) |
369 | goto err; | |
3a63c0ed | 370 | (*out)[prefix] = (unsigned char)(len - prefix); |
ff281ee8 P |
371 | return 1; |
372 | ||
373 | err: | |
374 | OPENSSL_free(*out); | |
375 | *out = NULL; | |
376 | return 0; | |
ce2cdac2 EK |
377 | } |
378 | ||
7b7cea6d | 379 | #ifndef OPENSSL_NO_NEXTPROTONEG |
ce2cdac2 EK |
380 | /* |
381 | * The client SHOULD select the first protocol advertised by the server that it | |
382 | * also supports. In the event that the client doesn't support any of server's | |
383 | * protocols, or the server doesn't advertise any, it SHOULD select the first | |
384 | * protocol that it supports. | |
385 | */ | |
386 | static int client_npn_cb(SSL *s, unsigned char **out, unsigned char *outlen, | |
387 | const unsigned char *in, unsigned int inlen, | |
388 | void *arg) | |
389 | { | |
390 | CTX_DATA *ctx_data = (CTX_DATA*)(arg); | |
391 | int ret; | |
392 | ||
393 | ret = SSL_select_next_proto(out, outlen, in, inlen, | |
394 | ctx_data->npn_protocols, | |
395 | ctx_data->npn_protocols_len); | |
396 | /* Accept both OPENSSL_NPN_NEGOTIATED and OPENSSL_NPN_NO_OVERLAP. */ | |
ff281ee8 P |
397 | return TEST_true(ret == OPENSSL_NPN_NEGOTIATED || ret == OPENSSL_NPN_NO_OVERLAP) |
398 | ? SSL_TLSEXT_ERR_OK : SSL_TLSEXT_ERR_ALERT_FATAL; | |
ce2cdac2 EK |
399 | } |
400 | ||
401 | static int server_npn_cb(SSL *s, const unsigned char **data, | |
402 | unsigned int *len, void *arg) | |
403 | { | |
404 | CTX_DATA *ctx_data = (CTX_DATA*)(arg); | |
405 | *data = ctx_data->npn_protocols; | |
406 | *len = ctx_data->npn_protocols_len; | |
407 | return SSL_TLSEXT_ERR_OK; | |
408 | } | |
7b7cea6d | 409 | #endif |
ce2cdac2 EK |
410 | |
411 | /* | |
412 | * The server SHOULD select the most highly preferred protocol that it supports | |
413 | * and that is also advertised by the client. In the event that the server | |
414 | * supports no protocols that the client advertises, then the server SHALL | |
415 | * respond with a fatal "no_application_protocol" alert. | |
416 | */ | |
417 | static int server_alpn_cb(SSL *s, const unsigned char **out, | |
418 | unsigned char *outlen, const unsigned char *in, | |
419 | unsigned int inlen, void *arg) | |
420 | { | |
421 | CTX_DATA *ctx_data = (CTX_DATA*)(arg); | |
422 | int ret; | |
423 | ||
424 | /* SSL_select_next_proto isn't const-correct... */ | |
425 | unsigned char *tmp_out; | |
426 | ||
427 | /* | |
428 | * The result points either to |in| or to |ctx_data->alpn_protocols|. | |
429 | * The callback is allowed to point to |in| or to a long-lived buffer, | |
430 | * so we can return directly without storing a copy. | |
431 | */ | |
432 | ret = SSL_select_next_proto(&tmp_out, outlen, | |
433 | ctx_data->alpn_protocols, | |
434 | ctx_data->alpn_protocols_len, in, inlen); | |
435 | ||
436 | *out = tmp_out; | |
437 | /* Unlike NPN, we don't tolerate a mismatch. */ | |
438 | return ret == OPENSSL_NPN_NEGOTIATED ? SSL_TLSEXT_ERR_OK | |
8313a787 | 439 | : SSL_TLSEXT_ERR_ALERT_FATAL; |
ce2cdac2 | 440 | } |
ce2cdac2 | 441 | |
ea1ecd98 EK |
442 | #ifndef OPENSSL_NO_SRP |
443 | static char *client_srp_cb(SSL *s, void *arg) | |
444 | { | |
445 | CTX_DATA *ctx_data = (CTX_DATA*)(arg); | |
446 | return OPENSSL_strdup(ctx_data->srp_password); | |
447 | } | |
448 | ||
449 | static int server_srp_cb(SSL *s, int *ad, void *arg) | |
450 | { | |
451 | CTX_DATA *ctx_data = (CTX_DATA*)(arg); | |
452 | if (strcmp(ctx_data->srp_user, SSL_get_srp_username(s)) != 0) | |
453 | return SSL3_AL_FATAL; | |
454 | if (SSL_set_srp_server_param_pw(s, ctx_data->srp_user, | |
455 | ctx_data->srp_password, | |
456 | "2048" /* known group */) < 0) { | |
457 | *ad = SSL_AD_INTERNAL_ERROR; | |
458 | return SSL3_AL_FATAL; | |
459 | } | |
460 | return SSL_ERROR_NONE; | |
461 | } | |
462 | #endif /* !OPENSSL_NO_SRP */ | |
463 | ||
df0fed9a TS |
464 | static int generate_session_ticket_cb(SSL *s, void *arg) |
465 | { | |
466 | CTX_DATA *server_ctx_data = arg; | |
467 | SSL_SESSION *ss = SSL_get_session(s); | |
468 | char *app_data = server_ctx_data->session_ticket_app_data; | |
469 | ||
470 | if (ss == NULL || app_data == NULL) | |
471 | return 0; | |
472 | ||
473 | return SSL_SESSION_set1_ticket_appdata(ss, app_data, strlen(app_data)); | |
474 | } | |
475 | ||
61fb5923 MC |
476 | static int decrypt_session_ticket_cb(SSL *s, SSL_SESSION *ss, |
477 | const unsigned char *keyname, | |
478 | size_t keyname_len, | |
479 | SSL_TICKET_STATUS status, | |
480 | void *arg) | |
df0fed9a | 481 | { |
61fb5923 MC |
482 | switch (status) { |
483 | case SSL_TICKET_EMPTY: | |
484 | case SSL_TICKET_NO_DECRYPT: | |
485 | return SSL_TICKET_RETURN_IGNORE_RENEW; | |
486 | case SSL_TICKET_SUCCESS: | |
487 | return SSL_TICKET_RETURN_USE; | |
488 | case SSL_TICKET_SUCCESS_RENEW: | |
489 | return SSL_TICKET_RETURN_USE_RENEW; | |
490 | default: | |
491 | break; | |
492 | } | |
493 | return SSL_TICKET_RETURN_ABORT; | |
df0fed9a TS |
494 | } |
495 | ||
a263f320 EK |
496 | /* |
497 | * Configure callbacks and other properties that can't be set directly | |
498 | * in the server/client CONF. | |
499 | */ | |
ff281ee8 P |
500 | static int configure_handshake_ctx(SSL_CTX *server_ctx, SSL_CTX *server2_ctx, |
501 | SSL_CTX *client_ctx, | |
502 | const SSL_TEST_CTX *test, | |
503 | const SSL_TEST_EXTRA_CONF *extra, | |
504 | CTX_DATA *server_ctx_data, | |
505 | CTX_DATA *server2_ctx_data, | |
506 | CTX_DATA *client_ctx_data) | |
a263f320 | 507 | { |
590ed3d7 EK |
508 | unsigned char *ticket_keys; |
509 | size_t ticket_key_len; | |
510 | ||
ff281ee8 P |
511 | if (!TEST_int_eq(SSL_CTX_set_max_send_fragment(server_ctx, |
512 | test->max_fragment_size), 1)) | |
513 | goto err; | |
6dc99745 | 514 | if (server2_ctx != NULL) { |
ff281ee8 P |
515 | if (!TEST_int_eq(SSL_CTX_set_max_send_fragment(server2_ctx, |
516 | test->max_fragment_size), | |
517 | 1)) | |
518 | goto err; | |
6dc99745 | 519 | } |
ff281ee8 P |
520 | if (!TEST_int_eq(SSL_CTX_set_max_send_fragment(client_ctx, |
521 | test->max_fragment_size), 1)) | |
522 | goto err; | |
6dc99745 | 523 | |
9f48bbac | 524 | switch (extra->client.verify_callback) { |
a263f320 | 525 | case SSL_TEST_VERIFY_ACCEPT_ALL: |
ff281ee8 | 526 | SSL_CTX_set_cert_verify_callback(client_ctx, &verify_accept_cb, NULL); |
a263f320 EK |
527 | break; |
528 | case SSL_TEST_VERIFY_REJECT_ALL: | |
ff281ee8 | 529 | SSL_CTX_set_cert_verify_callback(client_ctx, &verify_reject_cb, NULL); |
a263f320 | 530 | break; |
f3b3d7f0 | 531 | case SSL_TEST_VERIFY_NONE: |
a263f320 EK |
532 | break; |
533 | } | |
81fc33c9 | 534 | |
cf72c757 F |
535 | switch (extra->client.max_fragment_len_mode) { |
536 | case TLSEXT_max_fragment_length_512: | |
537 | case TLSEXT_max_fragment_length_1024: | |
538 | case TLSEXT_max_fragment_length_2048: | |
539 | case TLSEXT_max_fragment_length_4096: | |
540 | case TLSEXT_max_fragment_length_DISABLED: | |
88e09fe7 BK |
541 | SSL_CTX_set_tlsext_max_fragment_length( |
542 | client_ctx, extra->client.max_fragment_len_mode); | |
cf72c757 F |
543 | break; |
544 | } | |
545 | ||
80de0c59 BK |
546 | /* |
547 | * Link the two contexts for SNI purposes. | |
a9c0d8be DB |
548 | * Also do ClientHello callbacks here, as setting both ClientHello and SNI |
549 | * is bad. | |
80de0c59 | 550 | */ |
9f48bbac | 551 | switch (extra->server.servername_callback) { |
d2b23cd2 EK |
552 | case SSL_TEST_SERVERNAME_IGNORE_MISMATCH: |
553 | SSL_CTX_set_tlsext_servername_callback(server_ctx, servername_ignore_cb); | |
554 | SSL_CTX_set_tlsext_servername_arg(server_ctx, server2_ctx); | |
555 | break; | |
556 | case SSL_TEST_SERVERNAME_REJECT_MISMATCH: | |
557 | SSL_CTX_set_tlsext_servername_callback(server_ctx, servername_reject_cb); | |
558 | SSL_CTX_set_tlsext_servername_arg(server_ctx, server2_ctx); | |
559 | break; | |
f3b3d7f0 | 560 | case SSL_TEST_SERVERNAME_CB_NONE: |
d2b23cd2 | 561 | break; |
a9c0d8be DB |
562 | case SSL_TEST_SERVERNAME_CLIENT_HELLO_IGNORE_MISMATCH: |
563 | SSL_CTX_set_client_hello_cb(server_ctx, client_hello_ignore_cb, server2_ctx); | |
80de0c59 | 564 | break; |
a9c0d8be DB |
565 | case SSL_TEST_SERVERNAME_CLIENT_HELLO_REJECT_MISMATCH: |
566 | SSL_CTX_set_client_hello_cb(server_ctx, client_hello_reject_cb, server2_ctx); | |
80de0c59 | 567 | break; |
a9c0d8be DB |
568 | case SSL_TEST_SERVERNAME_CLIENT_HELLO_NO_V12: |
569 | SSL_CTX_set_client_hello_cb(server_ctx, client_hello_nov12_cb, server2_ctx); | |
d2b23cd2 EK |
570 | } |
571 | ||
767ccc3b MC |
572 | if (extra->server.cert_status != SSL_TEST_CERT_STATUS_NONE) { |
573 | SSL_CTX_set_tlsext_status_type(client_ctx, TLSEXT_STATUSTYPE_ocsp); | |
574 | SSL_CTX_set_tlsext_status_cb(client_ctx, client_ocsp_cb); | |
575 | SSL_CTX_set_tlsext_status_arg(client_ctx, NULL); | |
576 | SSL_CTX_set_tlsext_status_cb(server_ctx, server_ocsp_cb); | |
577 | SSL_CTX_set_tlsext_status_arg(server_ctx, | |
578 | ((extra->server.cert_status == SSL_TEST_CERT_STATUS_GOOD_RESPONSE) | |
579 | ? &dummy_ocsp_resp_good_val : &dummy_ocsp_resp_bad_val)); | |
580 | } | |
581 | ||
81fc33c9 EK |
582 | /* |
583 | * The initial_ctx/session_ctx always handles the encrypt/decrypt of the | |
584 | * session ticket. This ticket_key callback is assigned to the second | |
585 | * session (assigned via SNI), and should never be invoked | |
586 | */ | |
d2b23cd2 EK |
587 | if (server2_ctx != NULL) |
588 | SSL_CTX_set_tlsext_ticket_key_cb(server2_ctx, | |
589 | do_not_call_session_ticket_cb); | |
81fc33c9 | 590 | |
9f48bbac | 591 | if (extra->server.broken_session_ticket) { |
a8c82fa0 | 592 | SSL_CTX_set_tlsext_ticket_key_cb(server_ctx, broken_session_ticket_cb); |
5c753de6 | 593 | } |
620c6ad3 | 594 | #ifndef OPENSSL_NO_NEXTPROTONEG |
9f48bbac | 595 | if (extra->server.npn_protocols != NULL) { |
ff281ee8 P |
596 | if (!TEST_true(parse_protos(extra->server.npn_protocols, |
597 | &server_ctx_data->npn_protocols, | |
598 | &server_ctx_data->npn_protocols_len))) | |
599 | goto err; | |
aff8c126 RS |
600 | SSL_CTX_set_npn_advertised_cb(server_ctx, server_npn_cb, |
601 | server_ctx_data); | |
ce2cdac2 | 602 | } |
9f48bbac | 603 | if (extra->server2.npn_protocols != NULL) { |
ff281ee8 P |
604 | if (!TEST_true(parse_protos(extra->server2.npn_protocols, |
605 | &server2_ctx_data->npn_protocols, | |
606 | &server2_ctx_data->npn_protocols_len)) | |
607 | || !TEST_ptr(server2_ctx)) | |
608 | goto err; | |
aff8c126 RS |
609 | SSL_CTX_set_npn_advertised_cb(server2_ctx, server_npn_cb, |
610 | server2_ctx_data); | |
ce2cdac2 | 611 | } |
9f48bbac | 612 | if (extra->client.npn_protocols != NULL) { |
ff281ee8 P |
613 | if (!TEST_true(parse_protos(extra->client.npn_protocols, |
614 | &client_ctx_data->npn_protocols, | |
615 | &client_ctx_data->npn_protocols_len))) | |
616 | goto err; | |
ce2cdac2 EK |
617 | SSL_CTX_set_next_proto_select_cb(client_ctx, client_npn_cb, |
618 | client_ctx_data); | |
619 | } | |
7b7cea6d | 620 | #endif |
9f48bbac | 621 | if (extra->server.alpn_protocols != NULL) { |
ff281ee8 P |
622 | if (!TEST_true(parse_protos(extra->server.alpn_protocols, |
623 | &server_ctx_data->alpn_protocols, | |
624 | &server_ctx_data->alpn_protocols_len))) | |
625 | goto err; | |
ce2cdac2 EK |
626 | SSL_CTX_set_alpn_select_cb(server_ctx, server_alpn_cb, server_ctx_data); |
627 | } | |
9f48bbac | 628 | if (extra->server2.alpn_protocols != NULL) { |
ff281ee8 P |
629 | if (!TEST_ptr(server2_ctx) |
630 | || !TEST_true(parse_protos(extra->server2.alpn_protocols, | |
631 | &server2_ctx_data->alpn_protocols, | |
632 | &server2_ctx_data->alpn_protocols_len | |
633 | ))) | |
634 | goto err; | |
635 | SSL_CTX_set_alpn_select_cb(server2_ctx, server_alpn_cb, | |
636 | server2_ctx_data); | |
ce2cdac2 | 637 | } |
9f48bbac | 638 | if (extra->client.alpn_protocols != NULL) { |
ce2cdac2 EK |
639 | unsigned char *alpn_protos = NULL; |
640 | size_t alpn_protos_len; | |
ff281ee8 P |
641 | if (!TEST_true(parse_protos(extra->client.alpn_protocols, |
642 | &alpn_protos, &alpn_protos_len)) | |
643 | /* Reversed return value convention... */ | |
644 | || !TEST_int_eq(SSL_CTX_set_alpn_protos(client_ctx, alpn_protos, | |
645 | alpn_protos_len), 0)) | |
646 | goto err; | |
ce2cdac2 EK |
647 | OPENSSL_free(alpn_protos); |
648 | } | |
7b7cea6d | 649 | |
df0fed9a TS |
650 | if (extra->server.session_ticket_app_data != NULL) { |
651 | server_ctx_data->session_ticket_app_data = | |
652 | OPENSSL_strdup(extra->server.session_ticket_app_data); | |
653 | SSL_CTX_set_session_ticket_cb(server_ctx, generate_session_ticket_cb, | |
654 | decrypt_session_ticket_cb, server_ctx_data); | |
655 | } | |
656 | if (extra->server2.session_ticket_app_data != NULL) { | |
657 | if (!TEST_ptr(server2_ctx)) | |
658 | goto err; | |
659 | server2_ctx_data->session_ticket_app_data = | |
660 | OPENSSL_strdup(extra->server2.session_ticket_app_data); | |
661 | SSL_CTX_set_session_ticket_cb(server2_ctx, NULL, | |
662 | decrypt_session_ticket_cb, server2_ctx_data); | |
663 | } | |
664 | ||
590ed3d7 EK |
665 | /* |
666 | * Use fixed session ticket keys so that we can decrypt a ticket created with | |
667 | * one CTX in another CTX. Don't address server2 for the moment. | |
668 | */ | |
669 | ticket_key_len = SSL_CTX_set_tlsext_ticket_keys(server_ctx, NULL, 0); | |
ff281ee8 P |
670 | if (!TEST_ptr(ticket_keys = OPENSSL_zalloc(ticket_key_len)) |
671 | || !TEST_int_eq(SSL_CTX_set_tlsext_ticket_keys(server_ctx, | |
672 | ticket_keys, | |
673 | ticket_key_len), 1)) { | |
674 | OPENSSL_free(ticket_keys); | |
675 | goto err; | |
676 | } | |
590ed3d7 | 677 | OPENSSL_free(ticket_keys); |
da085d27 | 678 | |
be82f7b3 EK |
679 | /* The default log list includes EC keys, so CT can't work without EC. */ |
680 | #if !defined(OPENSSL_NO_CT) && !defined(OPENSSL_NO_EC) | |
ff281ee8 P |
681 | if (!TEST_true(SSL_CTX_set_default_ctlog_list_file(client_ctx))) |
682 | goto err; | |
da085d27 EK |
683 | switch (extra->client.ct_validation) { |
684 | case SSL_TEST_CT_VALIDATION_PERMISSIVE: | |
ff281ee8 P |
685 | if (!TEST_true(SSL_CTX_enable_ct(client_ctx, |
686 | SSL_CT_VALIDATION_PERMISSIVE))) | |
687 | goto err; | |
da085d27 EK |
688 | break; |
689 | case SSL_TEST_CT_VALIDATION_STRICT: | |
ff281ee8 P |
690 | if (!TEST_true(SSL_CTX_enable_ct(client_ctx, SSL_CT_VALIDATION_STRICT))) |
691 | goto err; | |
da085d27 EK |
692 | break; |
693 | case SSL_TEST_CT_VALIDATION_NONE: | |
694 | break; | |
695 | } | |
696 | #endif | |
ea1ecd98 EK |
697 | #ifndef OPENSSL_NO_SRP |
698 | if (extra->server.srp_user != NULL) { | |
699 | SSL_CTX_set_srp_username_callback(server_ctx, server_srp_cb); | |
700 | server_ctx_data->srp_user = OPENSSL_strdup(extra->server.srp_user); | |
701 | server_ctx_data->srp_password = OPENSSL_strdup(extra->server.srp_password); | |
702 | SSL_CTX_set_srp_cb_arg(server_ctx, server_ctx_data); | |
703 | } | |
704 | if (extra->server2.srp_user != NULL) { | |
ff281ee8 P |
705 | if (!TEST_ptr(server2_ctx)) |
706 | goto err; | |
ea1ecd98 EK |
707 | SSL_CTX_set_srp_username_callback(server2_ctx, server_srp_cb); |
708 | server2_ctx_data->srp_user = OPENSSL_strdup(extra->server2.srp_user); | |
709 | server2_ctx_data->srp_password = OPENSSL_strdup(extra->server2.srp_password); | |
710 | SSL_CTX_set_srp_cb_arg(server2_ctx, server2_ctx_data); | |
711 | } | |
712 | if (extra->client.srp_user != NULL) { | |
ff281ee8 P |
713 | if (!TEST_true(SSL_CTX_set_srp_username(client_ctx, |
714 | extra->client.srp_user))) | |
715 | goto err; | |
ea1ecd98 EK |
716 | SSL_CTX_set_srp_client_pwd_callback(client_ctx, client_srp_cb); |
717 | client_ctx_data->srp_password = OPENSSL_strdup(extra->client.srp_password); | |
718 | SSL_CTX_set_srp_cb_arg(client_ctx, client_ctx_data); | |
719 | } | |
720 | #endif /* !OPENSSL_NO_SRP */ | |
ff281ee8 P |
721 | return 1; |
722 | err: | |
723 | return 0; | |
5c753de6 TS |
724 | } |
725 | ||
ce2cdac2 | 726 | /* Configure per-SSL callbacks and other properties. */ |
5c753de6 | 727 | static void configure_handshake_ssl(SSL *server, SSL *client, |
9f48bbac | 728 | const SSL_TEST_EXTRA_CONF *extra) |
5c753de6 | 729 | { |
9f48bbac | 730 | if (extra->client.servername != SSL_TEST_SERVERNAME_NONE) |
81fc33c9 | 731 | SSL_set_tlsext_host_name(client, |
9f48bbac | 732 | ssl_servername_name(extra->client.servername)); |
32097b33 MC |
733 | if (extra->client.enable_pha) |
734 | SSL_set_post_handshake_auth(client, 1); | |
a263f320 EK |
735 | } |
736 | ||
e0421bd8 | 737 | /* The status for each connection phase. */ |
453dfd8d EK |
738 | typedef enum { |
739 | PEER_SUCCESS, | |
740 | PEER_RETRY, | |
83964ca0 | 741 | PEER_ERROR, |
ff281ee8 P |
742 | PEER_WAITING, |
743 | PEER_TEST_FAILURE | |
453dfd8d EK |
744 | } peer_status_t; |
745 | ||
e0421bd8 EK |
746 | /* An SSL object and associated read-write buffers. */ |
747 | typedef struct peer_st { | |
748 | SSL *ssl; | |
749 | /* Buffer lengths are int to match the SSL read/write API. */ | |
750 | unsigned char *write_buf; | |
751 | int write_buf_len; | |
752 | unsigned char *read_buf; | |
753 | int read_buf_len; | |
754 | int bytes_to_write; | |
755 | int bytes_to_read; | |
756 | peer_status_t status; | |
757 | } PEER; | |
758 | ||
ff281ee8 | 759 | static int create_peer(PEER *peer, SSL_CTX *ctx) |
e0421bd8 EK |
760 | { |
761 | static const int peer_buffer_size = 64 * 1024; | |
ff281ee8 P |
762 | SSL *ssl = NULL; |
763 | unsigned char *read_buf = NULL, *write_buf = NULL; | |
764 | ||
765 | if (!TEST_ptr(ssl = SSL_new(ctx)) | |
766 | || !TEST_ptr(write_buf = OPENSSL_zalloc(peer_buffer_size)) | |
767 | || !TEST_ptr(read_buf = OPENSSL_zalloc(peer_buffer_size))) | |
768 | goto err; | |
e0421bd8 | 769 | |
ff281ee8 P |
770 | peer->ssl = ssl; |
771 | peer->write_buf = write_buf; | |
772 | peer->read_buf = read_buf; | |
e0421bd8 | 773 | peer->write_buf_len = peer->read_buf_len = peer_buffer_size; |
ff281ee8 P |
774 | return 1; |
775 | err: | |
776 | SSL_free(ssl); | |
777 | OPENSSL_free(write_buf); | |
778 | OPENSSL_free(read_buf); | |
779 | return 0; | |
e0421bd8 EK |
780 | } |
781 | ||
782 | static void peer_free_data(PEER *peer) | |
783 | { | |
784 | SSL_free(peer->ssl); | |
785 | OPENSSL_free(peer->write_buf); | |
786 | OPENSSL_free(peer->read_buf); | |
787 | } | |
788 | ||
789 | /* | |
790 | * Note that we could do the handshake transparently under an SSL_write, | |
791 | * but separating the steps is more helpful for debugging test failures. | |
792 | */ | |
793 | static void do_handshake_step(PEER *peer) | |
794 | { | |
ff281ee8 P |
795 | if (!TEST_int_eq(peer->status, PEER_RETRY)) { |
796 | peer->status = PEER_TEST_FAILURE; | |
e0421bd8 | 797 | } else { |
ff281ee8 P |
798 | int ret = SSL_do_handshake(peer->ssl); |
799 | ||
800 | if (ret == 1) { | |
801 | peer->status = PEER_SUCCESS; | |
802 | } else if (ret == 0) { | |
e0421bd8 | 803 | peer->status = PEER_ERROR; |
ff281ee8 P |
804 | } else { |
805 | int error = SSL_get_error(peer->ssl, ret); | |
806 | /* Memory bios should never block with SSL_ERROR_WANT_WRITE. */ | |
807 | if (error != SSL_ERROR_WANT_READ) | |
808 | peer->status = PEER_ERROR; | |
809 | } | |
e0421bd8 EK |
810 | } |
811 | } | |
812 | ||
813 | /*- | |
814 | * Send/receive some application data. The read-write sequence is | |
815 | * Peer A: (R) W - first read will yield no data | |
816 | * Peer B: R W | |
817 | * ... | |
818 | * Peer A: R W | |
819 | * Peer B: R W | |
820 | * Peer A: R | |
821 | */ | |
822 | static void do_app_data_step(PEER *peer) | |
823 | { | |
824 | int ret = 1, write_bytes; | |
825 | ||
ff281ee8 P |
826 | if (!TEST_int_eq(peer->status, PEER_RETRY)) { |
827 | peer->status = PEER_TEST_FAILURE; | |
828 | return; | |
829 | } | |
e0421bd8 EK |
830 | |
831 | /* We read everything available... */ | |
832 | while (ret > 0 && peer->bytes_to_read) { | |
833 | ret = SSL_read(peer->ssl, peer->read_buf, peer->read_buf_len); | |
834 | if (ret > 0) { | |
ff281ee8 P |
835 | if (!TEST_int_le(ret, peer->bytes_to_read)) { |
836 | peer->status = PEER_TEST_FAILURE; | |
837 | return; | |
838 | } | |
e0421bd8 EK |
839 | peer->bytes_to_read -= ret; |
840 | } else if (ret == 0) { | |
841 | peer->status = PEER_ERROR; | |
842 | return; | |
843 | } else { | |
844 | int error = SSL_get_error(peer->ssl, ret); | |
845 | if (error != SSL_ERROR_WANT_READ) { | |
846 | peer->status = PEER_ERROR; | |
847 | return; | |
848 | } /* Else continue with write. */ | |
849 | } | |
850 | } | |
851 | ||
852 | /* ... but we only write one write-buffer-full of data. */ | |
853 | write_bytes = peer->bytes_to_write < peer->write_buf_len ? peer->bytes_to_write : | |
854 | peer->write_buf_len; | |
855 | if (write_bytes) { | |
856 | ret = SSL_write(peer->ssl, peer->write_buf, write_bytes); | |
857 | if (ret > 0) { | |
858 | /* SSL_write will only succeed with a complete write. */ | |
ff281ee8 P |
859 | if (!TEST_int_eq(ret, write_bytes)) { |
860 | peer->status = PEER_TEST_FAILURE; | |
861 | return; | |
862 | } | |
e0421bd8 EK |
863 | peer->bytes_to_write -= ret; |
864 | } else { | |
865 | /* | |
866 | * We should perhaps check for SSL_ERROR_WANT_READ/WRITE here | |
867 | * but this doesn't yet occur with current app data sizes. | |
868 | */ | |
869 | peer->status = PEER_ERROR; | |
870 | return; | |
871 | } | |
872 | } | |
873 | ||
874 | /* | |
875 | * We could simply finish when there was nothing to read, and we have | |
876 | * nothing left to write. But keeping track of the expected number of bytes | |
877 | * to read gives us somewhat better guarantees that all data sent is in fact | |
878 | * received. | |
879 | */ | |
880 | if (!peer->bytes_to_write && !peer->bytes_to_read) { | |
881 | peer->status = PEER_SUCCESS; | |
882 | } | |
883 | } | |
884 | ||
fe7dd553 | 885 | static void do_reneg_setup_step(const SSL_TEST_CTX *test_ctx, PEER *peer) |
e42c4544 MC |
886 | { |
887 | int ret; | |
888 | char buf; | |
889 | ||
84344efa TS |
890 | if (peer->status == PEER_SUCCESS) { |
891 | /* | |
892 | * We are a client that succeeded this step previously, but the server | |
893 | * wanted to retry. Probably there is a no_renegotiation warning alert | |
894 | * waiting for us. Attempt to continue the handshake. | |
895 | */ | |
896 | peer->status = PEER_RETRY; | |
897 | do_handshake_step(peer); | |
898 | return; | |
899 | } | |
c2500f65 | 900 | |
ff281ee8 P |
901 | if (!TEST_int_eq(peer->status, PEER_RETRY) |
902 | || !TEST_true(test_ctx->handshake_mode | |
903 | == SSL_TEST_HANDSHAKE_RENEG_SERVER | |
904 | || test_ctx->handshake_mode | |
905 | == SSL_TEST_HANDSHAKE_RENEG_CLIENT | |
906 | || test_ctx->handshake_mode | |
907 | == SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER | |
908 | || test_ctx->handshake_mode | |
9d75dce3 TS |
909 | == SSL_TEST_HANDSHAKE_KEY_UPDATE_CLIENT |
910 | || test_ctx->handshake_mode | |
911 | == SSL_TEST_HANDSHAKE_POST_HANDSHAKE_AUTH)) { | |
ff281ee8 P |
912 | peer->status = PEER_TEST_FAILURE; |
913 | return; | |
914 | } | |
9b92f161 MC |
915 | |
916 | /* Reset the count of the amount of app data we need to read/write */ | |
917 | peer->bytes_to_write = peer->bytes_to_read = test_ctx->app_data_size; | |
fe7dd553 MC |
918 | |
919 | /* Check if we are the peer that is going to initiate */ | |
920 | if ((test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_RENEG_SERVER | |
921 | && SSL_is_server(peer->ssl)) | |
922 | || (test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_RENEG_CLIENT | |
923 | && !SSL_is_server(peer->ssl))) { | |
e42c4544 | 924 | /* |
fe7dd553 MC |
925 | * If we already asked for a renegotiation then fall through to the |
926 | * SSL_read() below. | |
e42c4544 | 927 | */ |
fe7dd553 MC |
928 | if (!SSL_renegotiate_pending(peer->ssl)) { |
929 | /* | |
930 | * If we are the client we will always attempt to resume the | |
44e69951 | 931 | * session. The server may or may not resume dependent on the |
fe7dd553 MC |
932 | * setting of SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION |
933 | */ | |
cc22cd54 | 934 | if (SSL_is_server(peer->ssl)) { |
fe7dd553 | 935 | ret = SSL_renegotiate(peer->ssl); |
cc22cd54 MC |
936 | } else { |
937 | if (test_ctx->extra.client.reneg_ciphers != NULL) { | |
938 | if (!SSL_set_cipher_list(peer->ssl, | |
939 | test_ctx->extra.client.reneg_ciphers)) { | |
940 | peer->status = PEER_ERROR; | |
941 | return; | |
942 | } | |
943 | ret = SSL_renegotiate(peer->ssl); | |
944 | } else { | |
945 | ret = SSL_renegotiate_abbreviated(peer->ssl); | |
946 | } | |
947 | } | |
fe7dd553 MC |
948 | if (!ret) { |
949 | peer->status = PEER_ERROR; | |
950 | return; | |
951 | } | |
952 | do_handshake_step(peer); | |
953 | /* | |
954 | * If status is PEER_RETRY it means we're waiting on the peer to | |
955 | * continue the handshake. As far as setting up the renegotiation is | |
956 | * concerned that is a success. The next step will continue the | |
957 | * handshake to its conclusion. | |
958 | * | |
959 | * If status is PEER_SUCCESS then we are the server and we have | |
960 | * successfully sent the HelloRequest. We need to continue to wait | |
961 | * until the handshake arrives from the client. | |
962 | */ | |
963 | if (peer->status == PEER_RETRY) | |
964 | peer->status = PEER_SUCCESS; | |
965 | else if (peer->status == PEER_SUCCESS) | |
966 | peer->status = PEER_RETRY; | |
967 | return; | |
968 | } | |
9b92f161 MC |
969 | } else if (test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER |
970 | || test_ctx->handshake_mode | |
971 | == SSL_TEST_HANDSHAKE_KEY_UPDATE_CLIENT) { | |
972 | if (SSL_is_server(peer->ssl) | |
973 | != (test_ctx->handshake_mode | |
974 | == SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER)) { | |
975 | peer->status = PEER_SUCCESS; | |
976 | return; | |
977 | } | |
978 | ||
979 | ret = SSL_key_update(peer->ssl, test_ctx->key_update_type); | |
980 | if (!ret) { | |
981 | peer->status = PEER_ERROR; | |
982 | return; | |
983 | } | |
984 | do_handshake_step(peer); | |
985 | /* | |
986 | * This is a one step handshake. We shouldn't get anything other than | |
987 | * PEER_SUCCESS | |
988 | */ | |
989 | if (peer->status != PEER_SUCCESS) | |
990 | peer->status = PEER_ERROR; | |
991 | return; | |
9d75dce3 TS |
992 | } else if (test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_POST_HANDSHAKE_AUTH) { |
993 | if (SSL_is_server(peer->ssl)) { | |
994 | /* Make the server believe it's received the extension */ | |
995 | if (test_ctx->extra.server.force_pha) | |
996 | peer->ssl->post_handshake_auth = SSL_PHA_EXT_RECEIVED; | |
997 | ret = SSL_verify_client_post_handshake(peer->ssl); | |
998 | if (!ret) { | |
999 | peer->status = PEER_ERROR; | |
1000 | return; | |
1001 | } | |
1002 | } | |
1003 | do_handshake_step(peer); | |
1004 | /* | |
1005 | * This is a one step handshake. We shouldn't get anything other than | |
1006 | * PEER_SUCCESS | |
1007 | */ | |
1008 | if (peer->status != PEER_SUCCESS) | |
1009 | peer->status = PEER_ERROR; | |
1010 | return; | |
e42c4544 MC |
1011 | } |
1012 | ||
1013 | /* | |
1014 | * The SSL object is still expecting app data, even though it's going to | |
1015 | * get a handshake message. We try to read, and it should fail - after which | |
1016 | * we should be in a handshake | |
1017 | */ | |
1018 | ret = SSL_read(peer->ssl, &buf, sizeof(buf)); | |
1019 | if (ret >= 0) { | |
fe7dd553 MC |
1020 | /* |
1021 | * We're not actually expecting data - we're expecting a reneg to | |
1022 | * start | |
1023 | */ | |
e42c4544 MC |
1024 | peer->status = PEER_ERROR; |
1025 | return; | |
1026 | } else { | |
1027 | int error = SSL_get_error(peer->ssl, ret); | |
fe7dd553 | 1028 | if (error != SSL_ERROR_WANT_READ) { |
e42c4544 MC |
1029 | peer->status = PEER_ERROR; |
1030 | return; | |
1031 | } | |
9b92f161 | 1032 | /* If we're not in init yet then we're not done with setup yet */ |
fe7dd553 MC |
1033 | if (!SSL_in_init(peer->ssl)) |
1034 | return; | |
e42c4544 MC |
1035 | } |
1036 | ||
1037 | peer->status = PEER_SUCCESS; | |
1038 | } | |
1039 | ||
1040 | ||
590ed3d7 EK |
1041 | /* |
1042 | * RFC 5246 says: | |
1043 | * | |
1044 | * Note that as of TLS 1.1, | |
1045 | * failure to properly close a connection no longer requires that a | |
1046 | * session not be resumed. This is a change from TLS 1.0 to conform | |
1047 | * with widespread implementation practice. | |
1048 | * | |
1049 | * However, | |
1050 | * (a) OpenSSL requires that a connection be shutdown for all protocol versions. | |
1051 | * (b) We test lower versions, too. | |
1052 | * So we just implement shutdown. We do a full bidirectional shutdown so that we | |
1053 | * can compare sent and received close_notify alerts and get some test coverage | |
1054 | * for SSL_shutdown as a bonus. | |
1055 | */ | |
e0421bd8 | 1056 | static void do_shutdown_step(PEER *peer) |
453dfd8d EK |
1057 | { |
1058 | int ret; | |
1059 | ||
ff281ee8 P |
1060 | if (!TEST_int_eq(peer->status, PEER_RETRY)) { |
1061 | peer->status = PEER_TEST_FAILURE; | |
1062 | return; | |
1063 | } | |
e0421bd8 | 1064 | ret = SSL_shutdown(peer->ssl); |
453dfd8d EK |
1065 | |
1066 | if (ret == 1) { | |
e0421bd8 EK |
1067 | peer->status = PEER_SUCCESS; |
1068 | } else if (ret < 0) { /* On 0, we retry. */ | |
1069 | int error = SSL_get_error(peer->ssl, ret); | |
83964ca0 MC |
1070 | |
1071 | if (error != SSL_ERROR_WANT_READ && error != SSL_ERROR_WANT_WRITE) | |
e0421bd8 EK |
1072 | peer->status = PEER_ERROR; |
1073 | } | |
1074 | } | |
1075 | ||
1076 | typedef enum { | |
1077 | HANDSHAKE, | |
e42c4544 MC |
1078 | RENEG_APPLICATION_DATA, |
1079 | RENEG_SETUP, | |
1080 | RENEG_HANDSHAKE, | |
e0421bd8 EK |
1081 | APPLICATION_DATA, |
1082 | SHUTDOWN, | |
1083 | CONNECTION_DONE | |
1084 | } connect_phase_t; | |
1085 | ||
9d75dce3 TS |
1086 | |
1087 | static int renegotiate_op(const SSL_TEST_CTX *test_ctx) | |
1088 | { | |
1089 | switch (test_ctx->handshake_mode) { | |
1090 | case SSL_TEST_HANDSHAKE_RENEG_SERVER: | |
1091 | case SSL_TEST_HANDSHAKE_RENEG_CLIENT: | |
1092 | return 1; | |
1093 | default: | |
1094 | return 0; | |
1095 | } | |
1096 | } | |
1097 | static int post_handshake_op(const SSL_TEST_CTX *test_ctx) | |
1098 | { | |
1099 | switch (test_ctx->handshake_mode) { | |
1100 | case SSL_TEST_HANDSHAKE_KEY_UPDATE_CLIENT: | |
1101 | case SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER: | |
1102 | case SSL_TEST_HANDSHAKE_POST_HANDSHAKE_AUTH: | |
1103 | return 1; | |
1104 | default: | |
1105 | return 0; | |
1106 | } | |
1107 | } | |
1108 | ||
e42c4544 MC |
1109 | static connect_phase_t next_phase(const SSL_TEST_CTX *test_ctx, |
1110 | connect_phase_t phase) | |
e0421bd8 EK |
1111 | { |
1112 | switch (phase) { | |
1113 | case HANDSHAKE: | |
9d75dce3 | 1114 | if (renegotiate_op(test_ctx) || post_handshake_op(test_ctx)) |
e42c4544 MC |
1115 | return RENEG_APPLICATION_DATA; |
1116 | return APPLICATION_DATA; | |
1117 | case RENEG_APPLICATION_DATA: | |
1118 | return RENEG_SETUP; | |
1119 | case RENEG_SETUP: | |
9d75dce3 | 1120 | if (post_handshake_op(test_ctx)) |
9b92f161 | 1121 | return APPLICATION_DATA; |
e42c4544 MC |
1122 | return RENEG_HANDSHAKE; |
1123 | case RENEG_HANDSHAKE: | |
e0421bd8 EK |
1124 | return APPLICATION_DATA; |
1125 | case APPLICATION_DATA: | |
1126 | return SHUTDOWN; | |
1127 | case SHUTDOWN: | |
1128 | return CONNECTION_DONE; | |
f3b3d7f0 | 1129 | case CONNECTION_DONE: |
ff281ee8 | 1130 | TEST_error("Trying to progress after connection done"); |
f3b3d7f0 | 1131 | break; |
e0421bd8 | 1132 | } |
f3b3d7f0 | 1133 | return -1; |
e0421bd8 EK |
1134 | } |
1135 | ||
fe7dd553 MC |
1136 | static void do_connect_step(const SSL_TEST_CTX *test_ctx, PEER *peer, |
1137 | connect_phase_t phase) | |
e0421bd8 EK |
1138 | { |
1139 | switch (phase) { | |
1140 | case HANDSHAKE: | |
1141 | do_handshake_step(peer); | |
1142 | break; | |
e42c4544 MC |
1143 | case RENEG_APPLICATION_DATA: |
1144 | do_app_data_step(peer); | |
1145 | break; | |
1146 | case RENEG_SETUP: | |
fe7dd553 | 1147 | do_reneg_setup_step(test_ctx, peer); |
e42c4544 MC |
1148 | break; |
1149 | case RENEG_HANDSHAKE: | |
1150 | do_handshake_step(peer); | |
1151 | break; | |
e0421bd8 EK |
1152 | case APPLICATION_DATA: |
1153 | do_app_data_step(peer); | |
1154 | break; | |
1155 | case SHUTDOWN: | |
1156 | do_shutdown_step(peer); | |
1157 | break; | |
f3b3d7f0 | 1158 | case CONNECTION_DONE: |
ff281ee8 | 1159 | TEST_error("Action after connection done"); |
f3b3d7f0 | 1160 | break; |
453dfd8d EK |
1161 | } |
1162 | } | |
1163 | ||
1164 | typedef enum { | |
1165 | /* Both parties succeeded. */ | |
1166 | HANDSHAKE_SUCCESS, | |
1167 | /* Client errored. */ | |
1168 | CLIENT_ERROR, | |
1169 | /* Server errored. */ | |
1170 | SERVER_ERROR, | |
1171 | /* Peers are in inconsistent state. */ | |
1172 | INTERNAL_ERROR, | |
1173 | /* One or both peers not done. */ | |
1174 | HANDSHAKE_RETRY | |
1175 | } handshake_status_t; | |
1176 | ||
1177 | /* | |
1178 | * Determine the handshake outcome. | |
1179 | * last_status: the status of the peer to have acted last. | |
1180 | * previous_status: the status of the peer that didn't act last. | |
1181 | * client_spoke_last: 1 if the client went last. | |
1182 | */ | |
1183 | static handshake_status_t handshake_status(peer_status_t last_status, | |
1184 | peer_status_t previous_status, | |
1185 | int client_spoke_last) | |
1186 | { | |
1187 | switch (last_status) { | |
ff281ee8 P |
1188 | case PEER_TEST_FAILURE: |
1189 | return INTERNAL_ERROR; | |
1190 | ||
561f6f1e MC |
1191 | case PEER_WAITING: |
1192 | /* Shouldn't ever happen */ | |
1193 | return INTERNAL_ERROR; | |
1194 | ||
453dfd8d EK |
1195 | case PEER_SUCCESS: |
1196 | switch (previous_status) { | |
ff281ee8 P |
1197 | case PEER_TEST_FAILURE: |
1198 | return INTERNAL_ERROR; | |
453dfd8d EK |
1199 | case PEER_SUCCESS: |
1200 | /* Both succeeded. */ | |
1201 | return HANDSHAKE_SUCCESS; | |
561f6f1e | 1202 | case PEER_WAITING: |
453dfd8d EK |
1203 | case PEER_RETRY: |
1204 | /* Let the first peer finish. */ | |
1205 | return HANDSHAKE_RETRY; | |
1206 | case PEER_ERROR: | |
1207 | /* | |
1208 | * Second peer succeeded despite the fact that the first peer | |
1209 | * already errored. This shouldn't happen. | |
1210 | */ | |
1211 | return INTERNAL_ERROR; | |
1212 | } | |
4d921bfb | 1213 | break; |
453dfd8d EK |
1214 | |
1215 | case PEER_RETRY: | |
83964ca0 MC |
1216 | return HANDSHAKE_RETRY; |
1217 | ||
453dfd8d EK |
1218 | case PEER_ERROR: |
1219 | switch (previous_status) { | |
ff281ee8 P |
1220 | case PEER_TEST_FAILURE: |
1221 | return INTERNAL_ERROR; | |
83964ca0 MC |
1222 | case PEER_WAITING: |
1223 | /* The client failed immediately before sending the ClientHello */ | |
1224 | return client_spoke_last ? CLIENT_ERROR : INTERNAL_ERROR; | |
453dfd8d EK |
1225 | case PEER_SUCCESS: |
1226 | /* | |
1227 | * First peer succeeded but second peer errored. | |
1228 | * TODO(emilia): we should be able to continue here (with some | |
1229 | * application data?) to ensure the first peer receives the | |
1230 | * alert / close_notify. | |
e0421bd8 | 1231 | * (No tests currently exercise this branch.) |
453dfd8d EK |
1232 | */ |
1233 | return client_spoke_last ? CLIENT_ERROR : SERVER_ERROR; | |
1234 | case PEER_RETRY: | |
1235 | /* We errored; let the peer finish. */ | |
1236 | return HANDSHAKE_RETRY; | |
1237 | case PEER_ERROR: | |
1238 | /* Both peers errored. Return the one that errored first. */ | |
1239 | return client_spoke_last ? SERVER_ERROR : CLIENT_ERROR; | |
1240 | } | |
1241 | } | |
1242 | /* Control should never reach here. */ | |
1243 | return INTERNAL_ERROR; | |
1244 | } | |
1245 | ||
ce2cdac2 EK |
1246 | /* Convert unsigned char buf's that shouldn't contain any NUL-bytes to char. */ |
1247 | static char *dup_str(const unsigned char *in, size_t len) | |
1248 | { | |
ff281ee8 | 1249 | char *ret = NULL; |
ce2cdac2 | 1250 | |
28b86f31 | 1251 | if (len == 0) |
ce2cdac2 EK |
1252 | return NULL; |
1253 | ||
1254 | /* Assert that the string does not contain NUL-bytes. */ | |
ff281ee8 P |
1255 | if (TEST_size_t_eq(OPENSSL_strnlen((const char*)(in), len), len)) |
1256 | TEST_ptr(ret = OPENSSL_strndup((const char*)(in), len)); | |
ce2cdac2 EK |
1257 | return ret; |
1258 | } | |
1259 | ||
7f5f35af DSH |
1260 | static int pkey_type(EVP_PKEY *pkey) |
1261 | { | |
1262 | int nid = EVP_PKEY_id(pkey); | |
1263 | ||
1264 | #ifndef OPENSSL_NO_EC | |
1265 | if (nid == EVP_PKEY_EC) { | |
1266 | const EC_KEY *ec = EVP_PKEY_get0_EC_KEY(pkey); | |
1267 | return EC_GROUP_get_curve_name(EC_KEY_get0_group(ec)); | |
1268 | } | |
1269 | #endif | |
1270 | return nid; | |
1271 | } | |
1272 | ||
1273 | static int peer_pkey_type(SSL *s) | |
1274 | { | |
1275 | X509 *x = SSL_get_peer_certificate(s); | |
1276 | ||
1277 | if (x != NULL) { | |
1278 | int nid = pkey_type(X509_get0_pubkey(x)); | |
1279 | ||
1280 | X509_free(x); | |
1281 | return nid; | |
1282 | } | |
1283 | return NID_undef; | |
1284 | } | |
1285 | ||
83964ca0 MC |
1286 | #if !defined(OPENSSL_NO_SCTP) && !defined(OPENSSL_NO_SOCK) |
1287 | static int set_sock_as_sctp(int sock) | |
1288 | { | |
243ff51c MT |
1289 | struct sctp_assocparams assocparams; |
1290 | struct sctp_rtoinfo rto_info; | |
1291 | BIO *tmpbio; | |
1292 | ||
1293 | /* | |
1294 | * To allow tests to fail fast (within a second or so), reduce the | |
1295 | * retransmission timeouts and the number of retransmissions. | |
1296 | */ | |
1297 | memset(&rto_info, 0, sizeof(struct sctp_rtoinfo)); | |
1298 | rto_info.srto_initial = 100; | |
1299 | rto_info.srto_max = 200; | |
1300 | rto_info.srto_min = 50; | |
1301 | (void)setsockopt(sock, IPPROTO_SCTP, SCTP_RTOINFO, | |
1302 | (const void *)&rto_info, sizeof(struct sctp_rtoinfo)); | |
1303 | memset(&assocparams, 0, sizeof(struct sctp_assocparams)); | |
1304 | assocparams.sasoc_asocmaxrxt = 2; | |
1305 | (void)setsockopt(sock, IPPROTO_SCTP, SCTP_ASSOCINFO, | |
1306 | (const void *)&assocparams, | |
1307 | sizeof(struct sctp_assocparams)); | |
1308 | ||
83964ca0 MC |
1309 | /* |
1310 | * For SCTP we have to set various options on the socket prior to | |
1311 | * connecting. This is done automatically by BIO_new_dgram_sctp(). | |
1312 | * We don't actually need the created BIO though so we free it again | |
1313 | * immediately. | |
1314 | */ | |
243ff51c | 1315 | tmpbio = BIO_new_dgram_sctp(sock, BIO_NOCLOSE); |
83964ca0 MC |
1316 | |
1317 | if (tmpbio == NULL) | |
1318 | return 0; | |
1319 | BIO_free(tmpbio); | |
1320 | ||
1321 | return 1; | |
1322 | } | |
1323 | ||
1324 | static int create_sctp_socks(int *ssock, int *csock) | |
1325 | { | |
1326 | BIO_ADDRINFO *res = NULL; | |
1327 | const BIO_ADDRINFO *ai = NULL; | |
1328 | int lsock = INVALID_SOCKET, asock = INVALID_SOCKET; | |
1329 | int consock = INVALID_SOCKET; | |
1330 | int ret = 0; | |
1331 | int family = 0; | |
1332 | ||
9e1d5e8d | 1333 | if (BIO_sock_init() != 1) |
83964ca0 MC |
1334 | return 0; |
1335 | ||
1336 | /* | |
1337 | * Port is 4463. It could be anything. It will fail if it's already being | |
1338 | * used for some other SCTP service. It seems unlikely though so we don't | |
1339 | * worry about it here. | |
1340 | */ | |
1341 | if (!BIO_lookup_ex(NULL, "4463", BIO_LOOKUP_SERVER, family, SOCK_STREAM, | |
1342 | IPPROTO_SCTP, &res)) | |
1343 | return 0; | |
1344 | ||
1345 | for (ai = res; ai != NULL; ai = BIO_ADDRINFO_next(ai)) { | |
1346 | family = BIO_ADDRINFO_family(ai); | |
1347 | lsock = BIO_socket(family, SOCK_STREAM, IPPROTO_SCTP, 0); | |
1348 | if (lsock == INVALID_SOCKET) { | |
1349 | /* Maybe the kernel doesn't support the socket family, even if | |
1350 | * BIO_lookup() added it in the returned result... | |
1351 | */ | |
1352 | continue; | |
1353 | } | |
1354 | ||
1355 | if (!set_sock_as_sctp(lsock) | |
1356 | || !BIO_listen(lsock, BIO_ADDRINFO_address(ai), | |
1357 | BIO_SOCK_REUSEADDR)) { | |
1358 | BIO_closesocket(lsock); | |
1359 | lsock = INVALID_SOCKET; | |
1360 | continue; | |
1361 | } | |
1362 | ||
1363 | /* Success, don't try any more addresses */ | |
1364 | break; | |
1365 | } | |
1366 | ||
1367 | if (lsock == INVALID_SOCKET) | |
1368 | goto err; | |
1369 | ||
1370 | BIO_ADDRINFO_free(res); | |
1371 | res = NULL; | |
1372 | ||
1373 | if (!BIO_lookup_ex(NULL, "4463", BIO_LOOKUP_CLIENT, family, SOCK_STREAM, | |
1374 | IPPROTO_SCTP, &res)) | |
1375 | goto err; | |
1376 | ||
1377 | consock = BIO_socket(family, SOCK_STREAM, IPPROTO_SCTP, 0); | |
1378 | if (consock == INVALID_SOCKET) | |
1379 | goto err; | |
1380 | ||
1381 | if (!set_sock_as_sctp(consock) | |
1382 | || !BIO_connect(consock, BIO_ADDRINFO_address(res), 0) | |
1383 | || !BIO_socket_nbio(consock, 1)) | |
1384 | goto err; | |
1385 | ||
1386 | asock = BIO_accept_ex(lsock, NULL, BIO_SOCK_NONBLOCK); | |
1387 | if (asock == INVALID_SOCKET) | |
1388 | goto err; | |
1389 | ||
1390 | *csock = consock; | |
1391 | *ssock = asock; | |
1392 | consock = asock = INVALID_SOCKET; | |
1393 | ret = 1; | |
1394 | ||
1395 | err: | |
1396 | BIO_ADDRINFO_free(res); | |
1397 | if (consock != INVALID_SOCKET) | |
1398 | BIO_closesocket(consock); | |
1399 | if (lsock != INVALID_SOCKET) | |
1400 | BIO_closesocket(lsock); | |
1401 | if (asock != INVALID_SOCKET) | |
1402 | BIO_closesocket(asock); | |
1403 | return ret; | |
1404 | } | |
1405 | #endif | |
1406 | ||
6dc99745 EK |
1407 | /* |
1408 | * Note that |extra| points to the correct client/server configuration | |
1409 | * within |test_ctx|. When configuring the handshake, general mode settings | |
1410 | * are taken from |test_ctx|, and client/server-specific settings should be | |
1411 | * taken from |extra|. | |
1412 | * | |
1413 | * The configuration code should never reach into |test_ctx->extra| or | |
1414 | * |test_ctx->resume_extra| directly. | |
1415 | * | |
1416 | * (We could refactor test mode settings into a substructure. This would result | |
1417 | * in cleaner argument passing but would complicate the test configuration | |
1418 | * parsing.) | |
1419 | */ | |
590ed3d7 EK |
1420 | static HANDSHAKE_RESULT *do_handshake_internal( |
1421 | SSL_CTX *server_ctx, SSL_CTX *server2_ctx, SSL_CTX *client_ctx, | |
6dc99745 | 1422 | const SSL_TEST_CTX *test_ctx, const SSL_TEST_EXTRA_CONF *extra, |
6cc0b3c2 MC |
1423 | SSL_SESSION *session_in, SSL_SESSION *serv_sess_in, |
1424 | SSL_SESSION **session_out, SSL_SESSION **serv_sess_out) | |
453dfd8d | 1425 | { |
e0421bd8 | 1426 | PEER server, client; |
83964ca0 | 1427 | BIO *client_to_server = NULL, *server_to_client = NULL; |
453dfd8d | 1428 | HANDSHAKE_EX_DATA server_ex_data, client_ex_data; |
ce2cdac2 EK |
1429 | CTX_DATA client_ctx_data, server_ctx_data, server2_ctx_data; |
1430 | HANDSHAKE_RESULT *ret = HANDSHAKE_RESULT_new(); | |
36ff232c | 1431 | int client_turn = 1, client_turn_count = 0, client_wait_count = 0; |
e0421bd8 | 1432 | connect_phase_t phase = HANDSHAKE; |
453dfd8d | 1433 | handshake_status_t status = HANDSHAKE_RETRY; |
48593cb1 | 1434 | const unsigned char* tick = NULL; |
ce2cdac2 | 1435 | size_t tick_len = 0; |
a84e5c9a TS |
1436 | const unsigned char* sess_id = NULL; |
1437 | unsigned int sess_id_len = 0; | |
5c753de6 | 1438 | SSL_SESSION* sess = NULL; |
ce2cdac2 EK |
1439 | const unsigned char *proto = NULL; |
1440 | /* API dictates unsigned int rather than size_t. */ | |
1441 | unsigned int proto_len = 0; | |
b93ad05d | 1442 | EVP_PKEY *tmp_key; |
f15b50c4 | 1443 | const STACK_OF(X509_NAME) *names; |
83964ca0 | 1444 | time_t start; |
e1c7871d | 1445 | const char* cipher; |
453dfd8d | 1446 | |
ff281ee8 P |
1447 | if (ret == NULL) |
1448 | return NULL; | |
1449 | ||
ce2cdac2 EK |
1450 | memset(&server_ctx_data, 0, sizeof(server_ctx_data)); |
1451 | memset(&server2_ctx_data, 0, sizeof(server2_ctx_data)); | |
1452 | memset(&client_ctx_data, 0, sizeof(client_ctx_data)); | |
e0421bd8 EK |
1453 | memset(&server, 0, sizeof(server)); |
1454 | memset(&client, 0, sizeof(client)); | |
20e237c0 P |
1455 | memset(&server_ex_data, 0, sizeof(server_ex_data)); |
1456 | memset(&client_ex_data, 0, sizeof(client_ex_data)); | |
ce2cdac2 | 1457 | |
ff281ee8 P |
1458 | if (!configure_handshake_ctx(server_ctx, server2_ctx, client_ctx, |
1459 | test_ctx, extra, &server_ctx_data, | |
1460 | &server2_ctx_data, &client_ctx_data)) { | |
1461 | TEST_note("configure_handshake_ctx"); | |
1462 | return NULL; | |
1463 | } | |
a263f320 | 1464 | |
243ff51c MT |
1465 | #if !defined(OPENSSL_NO_SCTP) && !defined(OPENSSL_NO_SOCK) |
1466 | if (test_ctx->enable_client_sctp_label_bug) | |
1467 | SSL_CTX_set_mode(client_ctx, SSL_MODE_DTLS_SCTP_LABEL_LENGTH_BUG); | |
1468 | if (test_ctx->enable_server_sctp_label_bug) | |
1469 | SSL_CTX_set_mode(server_ctx, SSL_MODE_DTLS_SCTP_LABEL_LENGTH_BUG); | |
1470 | #endif | |
1471 | ||
e0421bd8 | 1472 | /* Setup SSL and buffers; additional configuration happens below. */ |
ff281ee8 P |
1473 | if (!create_peer(&server, server_ctx)) { |
1474 | TEST_note("creating server context"); | |
1475 | goto err; | |
1476 | } | |
1477 | if (!create_peer(&client, client_ctx)) { | |
1478 | TEST_note("creating client context"); | |
1479 | goto err; | |
1480 | } | |
453dfd8d | 1481 | |
6dc99745 EK |
1482 | server.bytes_to_write = client.bytes_to_read = test_ctx->app_data_size; |
1483 | client.bytes_to_write = server.bytes_to_read = test_ctx->app_data_size; | |
e0421bd8 EK |
1484 | |
1485 | configure_handshake_ssl(server.ssl, client.ssl, extra); | |
590ed3d7 | 1486 | if (session_in != NULL) { |
6cc0b3c2 | 1487 | SSL_SESSION_get_id(serv_sess_in, &sess_id_len); |
590ed3d7 | 1488 | /* In case we're testing resumption without tickets. */ |
6cc0b3c2 MC |
1489 | if ((sess_id_len > 0 |
1490 | && !TEST_true(SSL_CTX_add_session(server_ctx, | |
1491 | serv_sess_in))) | |
ff281ee8 P |
1492 | || !TEST_true(SSL_set_session(client.ssl, session_in))) |
1493 | goto err; | |
6cc0b3c2 | 1494 | sess_id_len = 0; |
590ed3d7 | 1495 | } |
5c753de6 | 1496 | |
ce2cdac2 | 1497 | ret->result = SSL_TEST_INTERNAL_ERROR; |
453dfd8d | 1498 | |
83964ca0 MC |
1499 | if (test_ctx->use_sctp) { |
1500 | #if !defined(OPENSSL_NO_SCTP) && !defined(OPENSSL_NO_SOCK) | |
1501 | int csock, ssock; | |
1502 | ||
1503 | if (create_sctp_socks(&ssock, &csock)) { | |
1504 | client_to_server = BIO_new_dgram_sctp(csock, BIO_CLOSE); | |
1505 | server_to_client = BIO_new_dgram_sctp(ssock, BIO_CLOSE); | |
1506 | } | |
1507 | #endif | |
1508 | } else { | |
1509 | client_to_server = BIO_new(BIO_s_mem()); | |
1510 | server_to_client = BIO_new(BIO_s_mem()); | |
1511 | } | |
453dfd8d | 1512 | |
ff281ee8 P |
1513 | if (!TEST_ptr(client_to_server) |
1514 | || !TEST_ptr(server_to_client)) | |
1515 | goto err; | |
453dfd8d EK |
1516 | |
1517 | /* Non-blocking bio. */ | |
1518 | BIO_set_nbio(client_to_server, 1); | |
1519 | BIO_set_nbio(server_to_client, 1); | |
1520 | ||
e0421bd8 EK |
1521 | SSL_set_connect_state(client.ssl); |
1522 | SSL_set_accept_state(server.ssl); | |
453dfd8d EK |
1523 | |
1524 | /* The bios are now owned by the SSL object. */ | |
83964ca0 MC |
1525 | if (test_ctx->use_sctp) { |
1526 | SSL_set_bio(client.ssl, client_to_server, client_to_server); | |
1527 | SSL_set_bio(server.ssl, server_to_client, server_to_client); | |
1528 | } else { | |
1529 | SSL_set_bio(client.ssl, server_to_client, client_to_server); | |
ff281ee8 P |
1530 | if (!TEST_int_gt(BIO_up_ref(server_to_client), 0) |
1531 | || !TEST_int_gt(BIO_up_ref(client_to_server), 0)) | |
1532 | goto err; | |
83964ca0 MC |
1533 | SSL_set_bio(server.ssl, client_to_server, server_to_client); |
1534 | } | |
453dfd8d EK |
1535 | |
1536 | ex_data_idx = SSL_get_ex_new_index(0, "ex data", NULL, NULL, NULL); | |
ff281ee8 P |
1537 | if (!TEST_int_ge(ex_data_idx, 0) |
1538 | || !TEST_int_eq(SSL_set_ex_data(server.ssl, ex_data_idx, &server_ex_data), 1) | |
1539 | || !TEST_int_eq(SSL_set_ex_data(client.ssl, ex_data_idx, &client_ex_data), 1)) | |
1540 | goto err; | |
e0421bd8 EK |
1541 | |
1542 | SSL_set_info_callback(server.ssl, &info_cb); | |
1543 | SSL_set_info_callback(client.ssl, &info_cb); | |
453dfd8d | 1544 | |
83964ca0 MC |
1545 | client.status = PEER_RETRY; |
1546 | server.status = PEER_WAITING; | |
1547 | ||
1548 | start = time(NULL); | |
453dfd8d EK |
1549 | |
1550 | /* | |
1551 | * Half-duplex handshake loop. | |
1552 | * Client and server speak to each other synchronously in the same process. | |
1553 | * We use non-blocking BIOs, so whenever one peer blocks for read, it | |
1554 | * returns PEER_RETRY to indicate that it's the other peer's turn to write. | |
1555 | * The handshake succeeds once both peers have succeeded. If one peer | |
1556 | * errors out, we also let the other peer retry (and presumably fail). | |
1557 | */ | |
1558 | for(;;) { | |
1559 | if (client_turn) { | |
fe7dd553 | 1560 | do_connect_step(test_ctx, &client, phase); |
e0421bd8 | 1561 | status = handshake_status(client.status, server.status, |
453dfd8d | 1562 | 1 /* client went last */); |
83964ca0 MC |
1563 | if (server.status == PEER_WAITING) |
1564 | server.status = PEER_RETRY; | |
453dfd8d | 1565 | } else { |
fe7dd553 | 1566 | do_connect_step(test_ctx, &server, phase); |
e0421bd8 | 1567 | status = handshake_status(server.status, client.status, |
453dfd8d EK |
1568 | 0 /* server went last */); |
1569 | } | |
1570 | ||
1571 | switch (status) { | |
1572 | case HANDSHAKE_SUCCESS: | |
ceb6d746 | 1573 | client_turn_count = 0; |
e42c4544 | 1574 | phase = next_phase(test_ctx, phase); |
e0421bd8 | 1575 | if (phase == CONNECTION_DONE) { |
590ed3d7 EK |
1576 | ret->result = SSL_TEST_SUCCESS; |
1577 | goto err; | |
1578 | } else { | |
e0421bd8 EK |
1579 | client.status = server.status = PEER_RETRY; |
1580 | /* | |
1581 | * For now, client starts each phase. Since each phase is | |
1582 | * started separately, we can later control this more | |
1583 | * precisely, for example, to test client-initiated and | |
1584 | * server-initiated shutdown. | |
1585 | */ | |
590ed3d7 EK |
1586 | client_turn = 1; |
1587 | break; | |
1588 | } | |
453dfd8d | 1589 | case CLIENT_ERROR: |
ce2cdac2 | 1590 | ret->result = SSL_TEST_CLIENT_FAIL; |
453dfd8d EK |
1591 | goto err; |
1592 | case SERVER_ERROR: | |
ce2cdac2 | 1593 | ret->result = SSL_TEST_SERVER_FAIL; |
453dfd8d EK |
1594 | goto err; |
1595 | case INTERNAL_ERROR: | |
ce2cdac2 | 1596 | ret->result = SSL_TEST_INTERNAL_ERROR; |
453dfd8d EK |
1597 | goto err; |
1598 | case HANDSHAKE_RETRY: | |
83964ca0 MC |
1599 | if (test_ctx->use_sctp) { |
1600 | if (time(NULL) - start > 3) { | |
1601 | /* | |
1602 | * We've waited for too long. Give up. | |
1603 | */ | |
1604 | ret->result = SSL_TEST_INTERNAL_ERROR; | |
1605 | goto err; | |
1606 | } | |
ceb6d746 | 1607 | /* |
83964ca0 MC |
1608 | * With "real" sockets we only swap to processing the peer |
1609 | * if they are expecting to retry. Otherwise we just retry the | |
1610 | * same endpoint again. | |
ceb6d746 | 1611 | */ |
83964ca0 MC |
1612 | if ((client_turn && server.status == PEER_RETRY) |
1613 | || (!client_turn && client.status == PEER_RETRY)) | |
1614 | client_turn ^= 1; | |
1615 | } else { | |
1616 | if (client_turn_count++ >= 2000) { | |
1617 | /* | |
1618 | * At this point, there's been so many PEER_RETRY in a row | |
1619 | * that it's likely both sides are stuck waiting for a read. | |
1620 | * It's time to give up. | |
1621 | */ | |
1622 | ret->result = SSL_TEST_INTERNAL_ERROR; | |
1623 | goto err; | |
1624 | } | |
36ff232c MC |
1625 | if (client_turn && server.status == PEER_SUCCESS) { |
1626 | /* | |
1627 | * The server may finish before the client because the | |
1628 | * client spends some turns processing NewSessionTickets. | |
1629 | */ | |
1630 | if (client_wait_count++ >= 2) { | |
1631 | ret->result = SSL_TEST_INTERNAL_ERROR; | |
1632 | goto err; | |
1633 | } | |
1634 | } else { | |
1635 | /* Continue. */ | |
1636 | client_turn ^= 1; | |
1637 | } | |
83964ca0 | 1638 | } |
453dfd8d EK |
1639 | break; |
1640 | } | |
1641 | } | |
1642 | err: | |
ce2cdac2 | 1643 | ret->server_alert_sent = server_ex_data.alert_sent; |
dd8e5a57 | 1644 | ret->server_num_fatal_alerts_sent = server_ex_data.num_fatal_alerts_sent; |
ce2cdac2 EK |
1645 | ret->server_alert_received = client_ex_data.alert_received; |
1646 | ret->client_alert_sent = client_ex_data.alert_sent; | |
dd8e5a57 | 1647 | ret->client_num_fatal_alerts_sent = client_ex_data.num_fatal_alerts_sent; |
ce2cdac2 | 1648 | ret->client_alert_received = server_ex_data.alert_received; |
e0421bd8 EK |
1649 | ret->server_protocol = SSL_version(server.ssl); |
1650 | ret->client_protocol = SSL_version(client.ssl); | |
ce2cdac2 | 1651 | ret->servername = server_ex_data.servername; |
a84e5c9a | 1652 | if ((sess = SSL_get0_session(client.ssl)) != NULL) { |
ce2cdac2 | 1653 | SSL_SESSION_get0_ticket(sess, &tick, &tick_len); |
a84e5c9a TS |
1654 | sess_id = SSL_SESSION_get_id(sess, &sess_id_len); |
1655 | } | |
ce2cdac2 EK |
1656 | if (tick == NULL || tick_len == 0) |
1657 | ret->session_ticket = SSL_TEST_SESSION_TICKET_NO; | |
5c753de6 | 1658 | else |
ce2cdac2 | 1659 | ret->session_ticket = SSL_TEST_SESSION_TICKET_YES; |
439db0c9 MC |
1660 | ret->compression = (SSL_get_current_compression(client.ssl) == NULL) |
1661 | ? SSL_TEST_COMPRESSION_NO | |
1662 | : SSL_TEST_COMPRESSION_YES; | |
a84e5c9a TS |
1663 | if (sess_id == NULL || sess_id_len == 0) |
1664 | ret->session_id = SSL_TEST_SESSION_ID_NO; | |
1665 | else | |
1666 | ret->session_id = SSL_TEST_SESSION_ID_YES; | |
ce2cdac2 EK |
1667 | ret->session_ticket_do_not_call = server_ex_data.session_ticket_do_not_call; |
1668 | ||
620c6ad3 | 1669 | #ifndef OPENSSL_NO_NEXTPROTONEG |
e0421bd8 | 1670 | SSL_get0_next_proto_negotiated(client.ssl, &proto, &proto_len); |
ce2cdac2 EK |
1671 | ret->client_npn_negotiated = dup_str(proto, proto_len); |
1672 | ||
e0421bd8 | 1673 | SSL_get0_next_proto_negotiated(server.ssl, &proto, &proto_len); |
ce2cdac2 | 1674 | ret->server_npn_negotiated = dup_str(proto, proto_len); |
7b7cea6d | 1675 | #endif |
ce2cdac2 | 1676 | |
e0421bd8 | 1677 | SSL_get0_alpn_selected(client.ssl, &proto, &proto_len); |
ce2cdac2 EK |
1678 | ret->client_alpn_negotiated = dup_str(proto, proto_len); |
1679 | ||
e0421bd8 | 1680 | SSL_get0_alpn_selected(server.ssl, &proto, &proto_len); |
ce2cdac2 | 1681 | ret->server_alpn_negotiated = dup_str(proto, proto_len); |
453dfd8d | 1682 | |
df0fed9a TS |
1683 | if ((sess = SSL_get0_session(server.ssl)) != NULL) { |
1684 | SSL_SESSION_get0_ticket_appdata(sess, (void**)&tick, &tick_len); | |
1685 | ret->result_session_ticket_app_data = OPENSSL_strndup((const char*)tick, tick_len); | |
1686 | } | |
1687 | ||
e0421bd8 EK |
1688 | ret->client_resumed = SSL_session_reused(client.ssl); |
1689 | ret->server_resumed = SSL_session_reused(server.ssl); | |
590ed3d7 | 1690 | |
e1c7871d TS |
1691 | cipher = SSL_CIPHER_get_name(SSL_get_current_cipher(client.ssl)); |
1692 | ret->cipher = dup_str((const unsigned char*)cipher, strlen(cipher)); | |
1693 | ||
590ed3d7 | 1694 | if (session_out != NULL) |
e0421bd8 | 1695 | *session_out = SSL_get1_session(client.ssl); |
6cc0b3c2 MC |
1696 | if (serv_sess_out != NULL) { |
1697 | SSL_SESSION *tmp = SSL_get_session(server.ssl); | |
1698 | ||
1699 | /* | |
1700 | * We create a fresh copy that is not in the server session ctx linked | |
1701 | * list. | |
1702 | */ | |
1703 | if (tmp != NULL) | |
1704 | *serv_sess_out = SSL_SESSION_dup(tmp); | |
1705 | } | |
590ed3d7 | 1706 | |
45f24725 | 1707 | if (SSL_get_peer_tmp_key(client.ssl, &tmp_key)) { |
7f5f35af | 1708 | ret->tmp_key_type = pkey_type(tmp_key); |
b93ad05d | 1709 | EVP_PKEY_free(tmp_key); |
b93ad05d DSH |
1710 | } |
1711 | ||
ee5b6a42 DSH |
1712 | SSL_get_peer_signature_nid(client.ssl, &ret->server_sign_hash); |
1713 | SSL_get_peer_signature_nid(server.ssl, &ret->client_sign_hash); | |
1714 | ||
54b7f2a5 DSH |
1715 | SSL_get_peer_signature_type_nid(client.ssl, &ret->server_sign_type); |
1716 | SSL_get_peer_signature_type_nid(server.ssl, &ret->client_sign_type); | |
1717 | ||
f15b50c4 | 1718 | names = SSL_get0_peer_CA_list(client.ssl); |
2e21539b DSH |
1719 | if (names == NULL) |
1720 | ret->client_ca_names = NULL; | |
1721 | else | |
1722 | ret->client_ca_names = SSL_dup_CA_list(names); | |
1723 | ||
f15b50c4 DSH |
1724 | names = SSL_get0_peer_CA_list(server.ssl); |
1725 | if (names == NULL) | |
1726 | ret->server_ca_names = NULL; | |
1727 | else | |
1728 | ret->server_ca_names = SSL_dup_CA_list(names); | |
1729 | ||
7f5f35af DSH |
1730 | ret->server_cert_type = peer_pkey_type(client.ssl); |
1731 | ret->client_cert_type = peer_pkey_type(server.ssl); | |
1732 | ||
ce2cdac2 EK |
1733 | ctx_data_free_data(&server_ctx_data); |
1734 | ctx_data_free_data(&server2_ctx_data); | |
1735 | ctx_data_free_data(&client_ctx_data); | |
590ed3d7 | 1736 | |
e0421bd8 EK |
1737 | peer_free_data(&server); |
1738 | peer_free_data(&client); | |
453dfd8d EK |
1739 | return ret; |
1740 | } | |
590ed3d7 EK |
1741 | |
1742 | HANDSHAKE_RESULT *do_handshake(SSL_CTX *server_ctx, SSL_CTX *server2_ctx, | |
1743 | SSL_CTX *client_ctx, SSL_CTX *resume_server_ctx, | |
11279b13 | 1744 | SSL_CTX *resume_client_ctx, |
590ed3d7 EK |
1745 | const SSL_TEST_CTX *test_ctx) |
1746 | { | |
1747 | HANDSHAKE_RESULT *result; | |
6cc0b3c2 | 1748 | SSL_SESSION *session = NULL, *serv_sess = NULL; |
590ed3d7 EK |
1749 | |
1750 | result = do_handshake_internal(server_ctx, server2_ctx, client_ctx, | |
6dc99745 | 1751 | test_ctx, &test_ctx->extra, |
6cc0b3c2 | 1752 | NULL, NULL, &session, &serv_sess); |
ff281ee8 P |
1753 | if (result == NULL |
1754 | || test_ctx->handshake_mode != SSL_TEST_HANDSHAKE_RESUME | |
1755 | || result->result == SSL_TEST_INTERNAL_ERROR) | |
590ed3d7 EK |
1756 | goto end; |
1757 | ||
590ed3d7 EK |
1758 | if (result->result != SSL_TEST_SUCCESS) { |
1759 | result->result = SSL_TEST_FIRST_HANDSHAKE_FAILED; | |
e0421bd8 | 1760 | goto end; |
590ed3d7 EK |
1761 | } |
1762 | ||
1763 | HANDSHAKE_RESULT_free(result); | |
1764 | /* We don't support SNI on second handshake yet, so server2_ctx is NULL. */ | |
11279b13 | 1765 | result = do_handshake_internal(resume_server_ctx, NULL, resume_client_ctx, |
6dc99745 | 1766 | test_ctx, &test_ctx->resume_extra, |
6cc0b3c2 | 1767 | session, serv_sess, NULL, NULL); |
590ed3d7 EK |
1768 | end: |
1769 | SSL_SESSION_free(session); | |
6cc0b3c2 | 1770 | SSL_SESSION_free(serv_sess); |
590ed3d7 EK |
1771 | return result; |
1772 | } |