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453dfd8d | 1 | /* |
33388b44 | 2 | * Copyright 2016-2020 The OpenSSL Project Authors. All Rights Reserved. |
453dfd8d | 3 | * |
909f1a2e | 4 | * Licensed under the Apache License 2.0 (the "License"). You may not use |
440e5d80 RS |
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 | |
706457b7 | 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 | |
09d62b33 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 | ||
a76ce286 P |
320 | static int broken_session_ticket_cb(SSL *s, unsigned char *key_name, |
321 | unsigned char *iv, EVP_CIPHER_CTX *ctx, | |
322 | EVP_MAC_CTX *hctx, int enc) | |
5c753de6 TS |
323 | { |
324 | return 0; | |
325 | } | |
326 | ||
ce2cdac2 | 327 | static int do_not_call_session_ticket_cb(SSL *s, unsigned char *key_name, |
a8c82fa0 RL |
328 | unsigned char *iv, |
329 | EVP_CIPHER_CTX *ctx, | |
a76ce286 | 330 | EVP_MAC_CTX *hctx, int enc) |
5c753de6 TS |
331 | { |
332 | HANDSHAKE_EX_DATA *ex_data = | |
333 | (HANDSHAKE_EX_DATA*)(SSL_get_ex_data(s, ex_data_idx)); | |
334 | ex_data->session_ticket_do_not_call = 1; | |
335 | return 0; | |
336 | } | |
337 | ||
ce2cdac2 | 338 | /* Parse the comma-separated list into TLS format. */ |
ff281ee8 | 339 | static int parse_protos(const char *protos, unsigned char **out, size_t *outlen) |
ce2cdac2 EK |
340 | { |
341 | size_t len, i, prefix; | |
342 | ||
343 | len = strlen(protos); | |
344 | ||
345 | /* Should never have reuse. */ | |
ff281ee8 P |
346 | if (!TEST_ptr_null(*out) |
347 | /* Test values are small, so we omit length limit checks. */ | |
348 | || !TEST_ptr(*out = OPENSSL_malloc(len + 1))) | |
349 | return 0; | |
ce2cdac2 EK |
350 | *outlen = len + 1; |
351 | ||
352 | /* | |
353 | * foo => '3', 'f', 'o', 'o' | |
354 | * foo,bar => '3', 'f', 'o', 'o', '3', 'b', 'a', 'r' | |
355 | */ | |
356 | memcpy(*out + 1, protos, len); | |
357 | ||
358 | prefix = 0; | |
359 | i = prefix + 1; | |
360 | while (i <= len) { | |
361 | if ((*out)[i] == ',') { | |
ff281ee8 P |
362 | if (!TEST_int_gt(i - 1, prefix)) |
363 | goto err; | |
3a63c0ed | 364 | (*out)[prefix] = (unsigned char)(i - 1 - prefix); |
ce2cdac2 EK |
365 | prefix = i; |
366 | } | |
367 | i++; | |
368 | } | |
ff281ee8 P |
369 | if (!TEST_int_gt(len, prefix)) |
370 | goto err; | |
3a63c0ed | 371 | (*out)[prefix] = (unsigned char)(len - prefix); |
ff281ee8 P |
372 | return 1; |
373 | ||
374 | err: | |
375 | OPENSSL_free(*out); | |
376 | *out = NULL; | |
377 | return 0; | |
ce2cdac2 EK |
378 | } |
379 | ||
7b7cea6d | 380 | #ifndef OPENSSL_NO_NEXTPROTONEG |
ce2cdac2 EK |
381 | /* |
382 | * The client SHOULD select the first protocol advertised by the server that it | |
383 | * also supports. In the event that the client doesn't support any of server's | |
384 | * protocols, or the server doesn't advertise any, it SHOULD select the first | |
385 | * protocol that it supports. | |
386 | */ | |
387 | static int client_npn_cb(SSL *s, unsigned char **out, unsigned char *outlen, | |
388 | const unsigned char *in, unsigned int inlen, | |
389 | void *arg) | |
390 | { | |
391 | CTX_DATA *ctx_data = (CTX_DATA*)(arg); | |
392 | int ret; | |
393 | ||
394 | ret = SSL_select_next_proto(out, outlen, in, inlen, | |
395 | ctx_data->npn_protocols, | |
396 | ctx_data->npn_protocols_len); | |
397 | /* Accept both OPENSSL_NPN_NEGOTIATED and OPENSSL_NPN_NO_OVERLAP. */ | |
ff281ee8 P |
398 | return TEST_true(ret == OPENSSL_NPN_NEGOTIATED || ret == OPENSSL_NPN_NO_OVERLAP) |
399 | ? SSL_TLSEXT_ERR_OK : SSL_TLSEXT_ERR_ALERT_FATAL; | |
ce2cdac2 EK |
400 | } |
401 | ||
402 | static int server_npn_cb(SSL *s, const unsigned char **data, | |
403 | unsigned int *len, void *arg) | |
404 | { | |
405 | CTX_DATA *ctx_data = (CTX_DATA*)(arg); | |
406 | *data = ctx_data->npn_protocols; | |
407 | *len = ctx_data->npn_protocols_len; | |
408 | return SSL_TLSEXT_ERR_OK; | |
409 | } | |
7b7cea6d | 410 | #endif |
ce2cdac2 EK |
411 | |
412 | /* | |
413 | * The server SHOULD select the most highly preferred protocol that it supports | |
414 | * and that is also advertised by the client. In the event that the server | |
415 | * supports no protocols that the client advertises, then the server SHALL | |
416 | * respond with a fatal "no_application_protocol" alert. | |
417 | */ | |
418 | static int server_alpn_cb(SSL *s, const unsigned char **out, | |
419 | unsigned char *outlen, const unsigned char *in, | |
420 | unsigned int inlen, void *arg) | |
421 | { | |
422 | CTX_DATA *ctx_data = (CTX_DATA*)(arg); | |
423 | int ret; | |
424 | ||
425 | /* SSL_select_next_proto isn't const-correct... */ | |
426 | unsigned char *tmp_out; | |
427 | ||
428 | /* | |
429 | * The result points either to |in| or to |ctx_data->alpn_protocols|. | |
430 | * The callback is allowed to point to |in| or to a long-lived buffer, | |
431 | * so we can return directly without storing a copy. | |
432 | */ | |
433 | ret = SSL_select_next_proto(&tmp_out, outlen, | |
434 | ctx_data->alpn_protocols, | |
435 | ctx_data->alpn_protocols_len, in, inlen); | |
436 | ||
437 | *out = tmp_out; | |
438 | /* Unlike NPN, we don't tolerate a mismatch. */ | |
439 | return ret == OPENSSL_NPN_NEGOTIATED ? SSL_TLSEXT_ERR_OK | |
8313a787 | 440 | : SSL_TLSEXT_ERR_ALERT_FATAL; |
ce2cdac2 | 441 | } |
ce2cdac2 | 442 | |
ea1ecd98 EK |
443 | #ifndef OPENSSL_NO_SRP |
444 | static char *client_srp_cb(SSL *s, void *arg) | |
445 | { | |
446 | CTX_DATA *ctx_data = (CTX_DATA*)(arg); | |
447 | return OPENSSL_strdup(ctx_data->srp_password); | |
448 | } | |
449 | ||
450 | static int server_srp_cb(SSL *s, int *ad, void *arg) | |
451 | { | |
452 | CTX_DATA *ctx_data = (CTX_DATA*)(arg); | |
453 | if (strcmp(ctx_data->srp_user, SSL_get_srp_username(s)) != 0) | |
454 | return SSL3_AL_FATAL; | |
455 | if (SSL_set_srp_server_param_pw(s, ctx_data->srp_user, | |
456 | ctx_data->srp_password, | |
457 | "2048" /* known group */) < 0) { | |
458 | *ad = SSL_AD_INTERNAL_ERROR; | |
459 | return SSL3_AL_FATAL; | |
460 | } | |
461 | return SSL_ERROR_NONE; | |
462 | } | |
463 | #endif /* !OPENSSL_NO_SRP */ | |
464 | ||
df0fed9a TS |
465 | static int generate_session_ticket_cb(SSL *s, void *arg) |
466 | { | |
467 | CTX_DATA *server_ctx_data = arg; | |
468 | SSL_SESSION *ss = SSL_get_session(s); | |
469 | char *app_data = server_ctx_data->session_ticket_app_data; | |
470 | ||
471 | if (ss == NULL || app_data == NULL) | |
472 | return 0; | |
473 | ||
474 | return SSL_SESSION_set1_ticket_appdata(ss, app_data, strlen(app_data)); | |
475 | } | |
476 | ||
61fb5923 MC |
477 | static int decrypt_session_ticket_cb(SSL *s, SSL_SESSION *ss, |
478 | const unsigned char *keyname, | |
479 | size_t keyname_len, | |
480 | SSL_TICKET_STATUS status, | |
481 | void *arg) | |
df0fed9a | 482 | { |
61fb5923 MC |
483 | switch (status) { |
484 | case SSL_TICKET_EMPTY: | |
485 | case SSL_TICKET_NO_DECRYPT: | |
486 | return SSL_TICKET_RETURN_IGNORE_RENEW; | |
487 | case SSL_TICKET_SUCCESS: | |
488 | return SSL_TICKET_RETURN_USE; | |
489 | case SSL_TICKET_SUCCESS_RENEW: | |
490 | return SSL_TICKET_RETURN_USE_RENEW; | |
491 | default: | |
492 | break; | |
493 | } | |
494 | return SSL_TICKET_RETURN_ABORT; | |
df0fed9a TS |
495 | } |
496 | ||
a263f320 EK |
497 | /* |
498 | * Configure callbacks and other properties that can't be set directly | |
499 | * in the server/client CONF. | |
500 | */ | |
ff281ee8 P |
501 | static int configure_handshake_ctx(SSL_CTX *server_ctx, SSL_CTX *server2_ctx, |
502 | SSL_CTX *client_ctx, | |
503 | const SSL_TEST_CTX *test, | |
504 | const SSL_TEST_EXTRA_CONF *extra, | |
505 | CTX_DATA *server_ctx_data, | |
506 | CTX_DATA *server2_ctx_data, | |
507 | CTX_DATA *client_ctx_data) | |
a263f320 | 508 | { |
590ed3d7 EK |
509 | unsigned char *ticket_keys; |
510 | size_t ticket_key_len; | |
511 | ||
ff281ee8 P |
512 | if (!TEST_int_eq(SSL_CTX_set_max_send_fragment(server_ctx, |
513 | test->max_fragment_size), 1)) | |
514 | goto err; | |
6dc99745 | 515 | if (server2_ctx != NULL) { |
ff281ee8 P |
516 | if (!TEST_int_eq(SSL_CTX_set_max_send_fragment(server2_ctx, |
517 | test->max_fragment_size), | |
518 | 1)) | |
519 | goto err; | |
6dc99745 | 520 | } |
ff281ee8 P |
521 | if (!TEST_int_eq(SSL_CTX_set_max_send_fragment(client_ctx, |
522 | test->max_fragment_size), 1)) | |
523 | goto err; | |
6dc99745 | 524 | |
9f48bbac | 525 | switch (extra->client.verify_callback) { |
a263f320 | 526 | case SSL_TEST_VERIFY_ACCEPT_ALL: |
ff281ee8 | 527 | SSL_CTX_set_cert_verify_callback(client_ctx, &verify_accept_cb, NULL); |
a263f320 EK |
528 | break; |
529 | case SSL_TEST_VERIFY_REJECT_ALL: | |
ff281ee8 | 530 | SSL_CTX_set_cert_verify_callback(client_ctx, &verify_reject_cb, NULL); |
a263f320 | 531 | break; |
f3b3d7f0 | 532 | case SSL_TEST_VERIFY_NONE: |
a263f320 EK |
533 | break; |
534 | } | |
81fc33c9 | 535 | |
cf72c757 F |
536 | switch (extra->client.max_fragment_len_mode) { |
537 | case TLSEXT_max_fragment_length_512: | |
538 | case TLSEXT_max_fragment_length_1024: | |
539 | case TLSEXT_max_fragment_length_2048: | |
540 | case TLSEXT_max_fragment_length_4096: | |
541 | case TLSEXT_max_fragment_length_DISABLED: | |
88e09fe7 BK |
542 | SSL_CTX_set_tlsext_max_fragment_length( |
543 | client_ctx, extra->client.max_fragment_len_mode); | |
cf72c757 F |
544 | break; |
545 | } | |
546 | ||
80de0c59 BK |
547 | /* |
548 | * Link the two contexts for SNI purposes. | |
a9c0d8be DB |
549 | * Also do ClientHello callbacks here, as setting both ClientHello and SNI |
550 | * is bad. | |
80de0c59 | 551 | */ |
9f48bbac | 552 | switch (extra->server.servername_callback) { |
d2b23cd2 EK |
553 | case SSL_TEST_SERVERNAME_IGNORE_MISMATCH: |
554 | SSL_CTX_set_tlsext_servername_callback(server_ctx, servername_ignore_cb); | |
555 | SSL_CTX_set_tlsext_servername_arg(server_ctx, server2_ctx); | |
556 | break; | |
557 | case SSL_TEST_SERVERNAME_REJECT_MISMATCH: | |
558 | SSL_CTX_set_tlsext_servername_callback(server_ctx, servername_reject_cb); | |
559 | SSL_CTX_set_tlsext_servername_arg(server_ctx, server2_ctx); | |
560 | break; | |
f3b3d7f0 | 561 | case SSL_TEST_SERVERNAME_CB_NONE: |
d2b23cd2 | 562 | break; |
a9c0d8be DB |
563 | case SSL_TEST_SERVERNAME_CLIENT_HELLO_IGNORE_MISMATCH: |
564 | SSL_CTX_set_client_hello_cb(server_ctx, client_hello_ignore_cb, server2_ctx); | |
80de0c59 | 565 | break; |
a9c0d8be DB |
566 | case SSL_TEST_SERVERNAME_CLIENT_HELLO_REJECT_MISMATCH: |
567 | SSL_CTX_set_client_hello_cb(server_ctx, client_hello_reject_cb, server2_ctx); | |
80de0c59 | 568 | break; |
a9c0d8be DB |
569 | case SSL_TEST_SERVERNAME_CLIENT_HELLO_NO_V12: |
570 | SSL_CTX_set_client_hello_cb(server_ctx, client_hello_nov12_cb, server2_ctx); | |
d2b23cd2 EK |
571 | } |
572 | ||
767ccc3b MC |
573 | if (extra->server.cert_status != SSL_TEST_CERT_STATUS_NONE) { |
574 | SSL_CTX_set_tlsext_status_type(client_ctx, TLSEXT_STATUSTYPE_ocsp); | |
575 | SSL_CTX_set_tlsext_status_cb(client_ctx, client_ocsp_cb); | |
576 | SSL_CTX_set_tlsext_status_arg(client_ctx, NULL); | |
577 | SSL_CTX_set_tlsext_status_cb(server_ctx, server_ocsp_cb); | |
578 | SSL_CTX_set_tlsext_status_arg(server_ctx, | |
579 | ((extra->server.cert_status == SSL_TEST_CERT_STATUS_GOOD_RESPONSE) | |
580 | ? &dummy_ocsp_resp_good_val : &dummy_ocsp_resp_bad_val)); | |
581 | } | |
582 | ||
81fc33c9 EK |
583 | /* |
584 | * The initial_ctx/session_ctx always handles the encrypt/decrypt of the | |
585 | * session ticket. This ticket_key callback is assigned to the second | |
586 | * session (assigned via SNI), and should never be invoked | |
587 | */ | |
d2b23cd2 | 588 | if (server2_ctx != NULL) |
a76ce286 P |
589 | SSL_CTX_set_tlsext_ticket_key_evp_cb(server2_ctx, |
590 | do_not_call_session_ticket_cb); | |
81fc33c9 | 591 | |
9f48bbac | 592 | if (extra->server.broken_session_ticket) { |
a76ce286 P |
593 | SSL_CTX_set_tlsext_ticket_key_evp_cb(server_ctx, |
594 | broken_session_ticket_cb); | |
5c753de6 | 595 | } |
620c6ad3 | 596 | #ifndef OPENSSL_NO_NEXTPROTONEG |
9f48bbac | 597 | if (extra->server.npn_protocols != NULL) { |
ff281ee8 P |
598 | if (!TEST_true(parse_protos(extra->server.npn_protocols, |
599 | &server_ctx_data->npn_protocols, | |
600 | &server_ctx_data->npn_protocols_len))) | |
601 | goto err; | |
aff8c126 RS |
602 | SSL_CTX_set_npn_advertised_cb(server_ctx, server_npn_cb, |
603 | server_ctx_data); | |
ce2cdac2 | 604 | } |
9f48bbac | 605 | if (extra->server2.npn_protocols != NULL) { |
ff281ee8 P |
606 | if (!TEST_true(parse_protos(extra->server2.npn_protocols, |
607 | &server2_ctx_data->npn_protocols, | |
608 | &server2_ctx_data->npn_protocols_len)) | |
609 | || !TEST_ptr(server2_ctx)) | |
610 | goto err; | |
aff8c126 RS |
611 | SSL_CTX_set_npn_advertised_cb(server2_ctx, server_npn_cb, |
612 | server2_ctx_data); | |
ce2cdac2 | 613 | } |
9f48bbac | 614 | if (extra->client.npn_protocols != NULL) { |
ff281ee8 P |
615 | if (!TEST_true(parse_protos(extra->client.npn_protocols, |
616 | &client_ctx_data->npn_protocols, | |
617 | &client_ctx_data->npn_protocols_len))) | |
618 | goto err; | |
ce2cdac2 EK |
619 | SSL_CTX_set_next_proto_select_cb(client_ctx, client_npn_cb, |
620 | client_ctx_data); | |
621 | } | |
7b7cea6d | 622 | #endif |
9f48bbac | 623 | if (extra->server.alpn_protocols != NULL) { |
ff281ee8 P |
624 | if (!TEST_true(parse_protos(extra->server.alpn_protocols, |
625 | &server_ctx_data->alpn_protocols, | |
626 | &server_ctx_data->alpn_protocols_len))) | |
627 | goto err; | |
ce2cdac2 EK |
628 | SSL_CTX_set_alpn_select_cb(server_ctx, server_alpn_cb, server_ctx_data); |
629 | } | |
9f48bbac | 630 | if (extra->server2.alpn_protocols != NULL) { |
ff281ee8 P |
631 | if (!TEST_ptr(server2_ctx) |
632 | || !TEST_true(parse_protos(extra->server2.alpn_protocols, | |
633 | &server2_ctx_data->alpn_protocols, | |
634 | &server2_ctx_data->alpn_protocols_len | |
635 | ))) | |
636 | goto err; | |
637 | SSL_CTX_set_alpn_select_cb(server2_ctx, server_alpn_cb, | |
638 | server2_ctx_data); | |
ce2cdac2 | 639 | } |
9f48bbac | 640 | if (extra->client.alpn_protocols != NULL) { |
ce2cdac2 EK |
641 | unsigned char *alpn_protos = NULL; |
642 | size_t alpn_protos_len; | |
ff281ee8 P |
643 | if (!TEST_true(parse_protos(extra->client.alpn_protocols, |
644 | &alpn_protos, &alpn_protos_len)) | |
645 | /* Reversed return value convention... */ | |
646 | || !TEST_int_eq(SSL_CTX_set_alpn_protos(client_ctx, alpn_protos, | |
647 | alpn_protos_len), 0)) | |
648 | goto err; | |
ce2cdac2 EK |
649 | OPENSSL_free(alpn_protos); |
650 | } | |
7b7cea6d | 651 | |
df0fed9a TS |
652 | if (extra->server.session_ticket_app_data != NULL) { |
653 | server_ctx_data->session_ticket_app_data = | |
654 | OPENSSL_strdup(extra->server.session_ticket_app_data); | |
655 | SSL_CTX_set_session_ticket_cb(server_ctx, generate_session_ticket_cb, | |
656 | decrypt_session_ticket_cb, server_ctx_data); | |
657 | } | |
658 | if (extra->server2.session_ticket_app_data != NULL) { | |
659 | if (!TEST_ptr(server2_ctx)) | |
660 | goto err; | |
661 | server2_ctx_data->session_ticket_app_data = | |
662 | OPENSSL_strdup(extra->server2.session_ticket_app_data); | |
663 | SSL_CTX_set_session_ticket_cb(server2_ctx, NULL, | |
664 | decrypt_session_ticket_cb, server2_ctx_data); | |
665 | } | |
666 | ||
590ed3d7 EK |
667 | /* |
668 | * Use fixed session ticket keys so that we can decrypt a ticket created with | |
669 | * one CTX in another CTX. Don't address server2 for the moment. | |
670 | */ | |
671 | ticket_key_len = SSL_CTX_set_tlsext_ticket_keys(server_ctx, NULL, 0); | |
ff281ee8 P |
672 | if (!TEST_ptr(ticket_keys = OPENSSL_zalloc(ticket_key_len)) |
673 | || !TEST_int_eq(SSL_CTX_set_tlsext_ticket_keys(server_ctx, | |
674 | ticket_keys, | |
675 | ticket_key_len), 1)) { | |
676 | OPENSSL_free(ticket_keys); | |
677 | goto err; | |
678 | } | |
590ed3d7 | 679 | OPENSSL_free(ticket_keys); |
da085d27 | 680 | |
be82f7b3 EK |
681 | /* The default log list includes EC keys, so CT can't work without EC. */ |
682 | #if !defined(OPENSSL_NO_CT) && !defined(OPENSSL_NO_EC) | |
ff281ee8 P |
683 | if (!TEST_true(SSL_CTX_set_default_ctlog_list_file(client_ctx))) |
684 | goto err; | |
da085d27 EK |
685 | switch (extra->client.ct_validation) { |
686 | case SSL_TEST_CT_VALIDATION_PERMISSIVE: | |
ff281ee8 P |
687 | if (!TEST_true(SSL_CTX_enable_ct(client_ctx, |
688 | SSL_CT_VALIDATION_PERMISSIVE))) | |
689 | goto err; | |
da085d27 EK |
690 | break; |
691 | case SSL_TEST_CT_VALIDATION_STRICT: | |
ff281ee8 P |
692 | if (!TEST_true(SSL_CTX_enable_ct(client_ctx, SSL_CT_VALIDATION_STRICT))) |
693 | goto err; | |
da085d27 EK |
694 | break; |
695 | case SSL_TEST_CT_VALIDATION_NONE: | |
696 | break; | |
697 | } | |
698 | #endif | |
ea1ecd98 EK |
699 | #ifndef OPENSSL_NO_SRP |
700 | if (extra->server.srp_user != NULL) { | |
701 | SSL_CTX_set_srp_username_callback(server_ctx, server_srp_cb); | |
702 | server_ctx_data->srp_user = OPENSSL_strdup(extra->server.srp_user); | |
703 | server_ctx_data->srp_password = OPENSSL_strdup(extra->server.srp_password); | |
704 | SSL_CTX_set_srp_cb_arg(server_ctx, server_ctx_data); | |
705 | } | |
706 | if (extra->server2.srp_user != NULL) { | |
ff281ee8 P |
707 | if (!TEST_ptr(server2_ctx)) |
708 | goto err; | |
ea1ecd98 EK |
709 | SSL_CTX_set_srp_username_callback(server2_ctx, server_srp_cb); |
710 | server2_ctx_data->srp_user = OPENSSL_strdup(extra->server2.srp_user); | |
711 | server2_ctx_data->srp_password = OPENSSL_strdup(extra->server2.srp_password); | |
712 | SSL_CTX_set_srp_cb_arg(server2_ctx, server2_ctx_data); | |
713 | } | |
714 | if (extra->client.srp_user != NULL) { | |
ff281ee8 P |
715 | if (!TEST_true(SSL_CTX_set_srp_username(client_ctx, |
716 | extra->client.srp_user))) | |
717 | goto err; | |
ea1ecd98 EK |
718 | SSL_CTX_set_srp_client_pwd_callback(client_ctx, client_srp_cb); |
719 | client_ctx_data->srp_password = OPENSSL_strdup(extra->client.srp_password); | |
720 | SSL_CTX_set_srp_cb_arg(client_ctx, client_ctx_data); | |
721 | } | |
722 | #endif /* !OPENSSL_NO_SRP */ | |
ff281ee8 P |
723 | return 1; |
724 | err: | |
725 | return 0; | |
5c753de6 TS |
726 | } |
727 | ||
ce2cdac2 | 728 | /* Configure per-SSL callbacks and other properties. */ |
5c753de6 | 729 | static void configure_handshake_ssl(SSL *server, SSL *client, |
9f48bbac | 730 | const SSL_TEST_EXTRA_CONF *extra) |
5c753de6 | 731 | { |
9f48bbac | 732 | if (extra->client.servername != SSL_TEST_SERVERNAME_NONE) |
81fc33c9 | 733 | SSL_set_tlsext_host_name(client, |
9f48bbac | 734 | ssl_servername_name(extra->client.servername)); |
32097b33 MC |
735 | if (extra->client.enable_pha) |
736 | SSL_set_post_handshake_auth(client, 1); | |
a263f320 EK |
737 | } |
738 | ||
e0421bd8 | 739 | /* The status for each connection phase. */ |
453dfd8d EK |
740 | typedef enum { |
741 | PEER_SUCCESS, | |
742 | PEER_RETRY, | |
83964ca0 | 743 | PEER_ERROR, |
ff281ee8 P |
744 | PEER_WAITING, |
745 | PEER_TEST_FAILURE | |
453dfd8d EK |
746 | } peer_status_t; |
747 | ||
e0421bd8 EK |
748 | /* An SSL object and associated read-write buffers. */ |
749 | typedef struct peer_st { | |
750 | SSL *ssl; | |
751 | /* Buffer lengths are int to match the SSL read/write API. */ | |
752 | unsigned char *write_buf; | |
753 | int write_buf_len; | |
754 | unsigned char *read_buf; | |
755 | int read_buf_len; | |
756 | int bytes_to_write; | |
757 | int bytes_to_read; | |
758 | peer_status_t status; | |
759 | } PEER; | |
760 | ||
ff281ee8 | 761 | static int create_peer(PEER *peer, SSL_CTX *ctx) |
e0421bd8 EK |
762 | { |
763 | static const int peer_buffer_size = 64 * 1024; | |
ff281ee8 P |
764 | SSL *ssl = NULL; |
765 | unsigned char *read_buf = NULL, *write_buf = NULL; | |
766 | ||
767 | if (!TEST_ptr(ssl = SSL_new(ctx)) | |
768 | || !TEST_ptr(write_buf = OPENSSL_zalloc(peer_buffer_size)) | |
769 | || !TEST_ptr(read_buf = OPENSSL_zalloc(peer_buffer_size))) | |
770 | goto err; | |
e0421bd8 | 771 | |
ff281ee8 P |
772 | peer->ssl = ssl; |
773 | peer->write_buf = write_buf; | |
774 | peer->read_buf = read_buf; | |
e0421bd8 | 775 | peer->write_buf_len = peer->read_buf_len = peer_buffer_size; |
ff281ee8 P |
776 | return 1; |
777 | err: | |
778 | SSL_free(ssl); | |
779 | OPENSSL_free(write_buf); | |
780 | OPENSSL_free(read_buf); | |
781 | return 0; | |
e0421bd8 EK |
782 | } |
783 | ||
784 | static void peer_free_data(PEER *peer) | |
785 | { | |
786 | SSL_free(peer->ssl); | |
787 | OPENSSL_free(peer->write_buf); | |
788 | OPENSSL_free(peer->read_buf); | |
789 | } | |
790 | ||
791 | /* | |
792 | * Note that we could do the handshake transparently under an SSL_write, | |
793 | * but separating the steps is more helpful for debugging test failures. | |
794 | */ | |
795 | static void do_handshake_step(PEER *peer) | |
796 | { | |
ff281ee8 P |
797 | if (!TEST_int_eq(peer->status, PEER_RETRY)) { |
798 | peer->status = PEER_TEST_FAILURE; | |
e0421bd8 | 799 | } else { |
ff281ee8 P |
800 | int ret = SSL_do_handshake(peer->ssl); |
801 | ||
802 | if (ret == 1) { | |
803 | peer->status = PEER_SUCCESS; | |
804 | } else if (ret == 0) { | |
e0421bd8 | 805 | peer->status = PEER_ERROR; |
ff281ee8 P |
806 | } else { |
807 | int error = SSL_get_error(peer->ssl, ret); | |
808 | /* Memory bios should never block with SSL_ERROR_WANT_WRITE. */ | |
809 | if (error != SSL_ERROR_WANT_READ) | |
810 | peer->status = PEER_ERROR; | |
811 | } | |
e0421bd8 EK |
812 | } |
813 | } | |
814 | ||
815 | /*- | |
816 | * Send/receive some application data. The read-write sequence is | |
817 | * Peer A: (R) W - first read will yield no data | |
818 | * Peer B: R W | |
819 | * ... | |
820 | * Peer A: R W | |
821 | * Peer B: R W | |
822 | * Peer A: R | |
823 | */ | |
824 | static void do_app_data_step(PEER *peer) | |
825 | { | |
826 | int ret = 1, write_bytes; | |
827 | ||
ff281ee8 P |
828 | if (!TEST_int_eq(peer->status, PEER_RETRY)) { |
829 | peer->status = PEER_TEST_FAILURE; | |
830 | return; | |
831 | } | |
e0421bd8 EK |
832 | |
833 | /* We read everything available... */ | |
834 | while (ret > 0 && peer->bytes_to_read) { | |
835 | ret = SSL_read(peer->ssl, peer->read_buf, peer->read_buf_len); | |
836 | if (ret > 0) { | |
ff281ee8 P |
837 | if (!TEST_int_le(ret, peer->bytes_to_read)) { |
838 | peer->status = PEER_TEST_FAILURE; | |
839 | return; | |
840 | } | |
e0421bd8 EK |
841 | peer->bytes_to_read -= ret; |
842 | } else if (ret == 0) { | |
843 | peer->status = PEER_ERROR; | |
844 | return; | |
845 | } else { | |
846 | int error = SSL_get_error(peer->ssl, ret); | |
847 | if (error != SSL_ERROR_WANT_READ) { | |
848 | peer->status = PEER_ERROR; | |
849 | return; | |
850 | } /* Else continue with write. */ | |
851 | } | |
852 | } | |
853 | ||
854 | /* ... but we only write one write-buffer-full of data. */ | |
855 | write_bytes = peer->bytes_to_write < peer->write_buf_len ? peer->bytes_to_write : | |
856 | peer->write_buf_len; | |
857 | if (write_bytes) { | |
858 | ret = SSL_write(peer->ssl, peer->write_buf, write_bytes); | |
859 | if (ret > 0) { | |
860 | /* SSL_write will only succeed with a complete write. */ | |
ff281ee8 P |
861 | if (!TEST_int_eq(ret, write_bytes)) { |
862 | peer->status = PEER_TEST_FAILURE; | |
863 | return; | |
864 | } | |
e0421bd8 EK |
865 | peer->bytes_to_write -= ret; |
866 | } else { | |
867 | /* | |
868 | * We should perhaps check for SSL_ERROR_WANT_READ/WRITE here | |
869 | * but this doesn't yet occur with current app data sizes. | |
870 | */ | |
871 | peer->status = PEER_ERROR; | |
872 | return; | |
873 | } | |
874 | } | |
875 | ||
876 | /* | |
877 | * We could simply finish when there was nothing to read, and we have | |
878 | * nothing left to write. But keeping track of the expected number of bytes | |
879 | * to read gives us somewhat better guarantees that all data sent is in fact | |
880 | * received. | |
881 | */ | |
12a765a5 | 882 | if (peer->bytes_to_write == 0 && peer->bytes_to_read == 0) { |
e0421bd8 EK |
883 | peer->status = PEER_SUCCESS; |
884 | } | |
885 | } | |
886 | ||
fe7dd553 | 887 | static void do_reneg_setup_step(const SSL_TEST_CTX *test_ctx, PEER *peer) |
e42c4544 MC |
888 | { |
889 | int ret; | |
890 | char buf; | |
891 | ||
84344efa TS |
892 | if (peer->status == PEER_SUCCESS) { |
893 | /* | |
894 | * We are a client that succeeded this step previously, but the server | |
895 | * wanted to retry. Probably there is a no_renegotiation warning alert | |
896 | * waiting for us. Attempt to continue the handshake. | |
897 | */ | |
898 | peer->status = PEER_RETRY; | |
899 | do_handshake_step(peer); | |
900 | return; | |
901 | } | |
c2500f65 | 902 | |
ff281ee8 P |
903 | if (!TEST_int_eq(peer->status, PEER_RETRY) |
904 | || !TEST_true(test_ctx->handshake_mode | |
905 | == SSL_TEST_HANDSHAKE_RENEG_SERVER | |
906 | || test_ctx->handshake_mode | |
907 | == SSL_TEST_HANDSHAKE_RENEG_CLIENT | |
908 | || test_ctx->handshake_mode | |
909 | == SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER | |
910 | || test_ctx->handshake_mode | |
9d75dce3 TS |
911 | == SSL_TEST_HANDSHAKE_KEY_UPDATE_CLIENT |
912 | || test_ctx->handshake_mode | |
913 | == SSL_TEST_HANDSHAKE_POST_HANDSHAKE_AUTH)) { | |
ff281ee8 P |
914 | peer->status = PEER_TEST_FAILURE; |
915 | return; | |
916 | } | |
9b92f161 MC |
917 | |
918 | /* Reset the count of the amount of app data we need to read/write */ | |
919 | peer->bytes_to_write = peer->bytes_to_read = test_ctx->app_data_size; | |
fe7dd553 MC |
920 | |
921 | /* Check if we are the peer that is going to initiate */ | |
922 | if ((test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_RENEG_SERVER | |
923 | && SSL_is_server(peer->ssl)) | |
924 | || (test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_RENEG_CLIENT | |
925 | && !SSL_is_server(peer->ssl))) { | |
e42c4544 | 926 | /* |
fe7dd553 MC |
927 | * If we already asked for a renegotiation then fall through to the |
928 | * SSL_read() below. | |
e42c4544 | 929 | */ |
fe7dd553 MC |
930 | if (!SSL_renegotiate_pending(peer->ssl)) { |
931 | /* | |
932 | * If we are the client we will always attempt to resume the | |
44e69951 | 933 | * session. The server may or may not resume dependent on the |
fe7dd553 MC |
934 | * setting of SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION |
935 | */ | |
cc22cd54 | 936 | if (SSL_is_server(peer->ssl)) { |
fe7dd553 | 937 | ret = SSL_renegotiate(peer->ssl); |
cc22cd54 MC |
938 | } else { |
939 | if (test_ctx->extra.client.reneg_ciphers != NULL) { | |
940 | if (!SSL_set_cipher_list(peer->ssl, | |
941 | test_ctx->extra.client.reneg_ciphers)) { | |
942 | peer->status = PEER_ERROR; | |
943 | return; | |
944 | } | |
945 | ret = SSL_renegotiate(peer->ssl); | |
946 | } else { | |
947 | ret = SSL_renegotiate_abbreviated(peer->ssl); | |
948 | } | |
949 | } | |
fe7dd553 MC |
950 | if (!ret) { |
951 | peer->status = PEER_ERROR; | |
952 | return; | |
953 | } | |
954 | do_handshake_step(peer); | |
955 | /* | |
956 | * If status is PEER_RETRY it means we're waiting on the peer to | |
957 | * continue the handshake. As far as setting up the renegotiation is | |
958 | * concerned that is a success. The next step will continue the | |
959 | * handshake to its conclusion. | |
960 | * | |
961 | * If status is PEER_SUCCESS then we are the server and we have | |
962 | * successfully sent the HelloRequest. We need to continue to wait | |
963 | * until the handshake arrives from the client. | |
964 | */ | |
965 | if (peer->status == PEER_RETRY) | |
966 | peer->status = PEER_SUCCESS; | |
967 | else if (peer->status == PEER_SUCCESS) | |
968 | peer->status = PEER_RETRY; | |
969 | return; | |
970 | } | |
9b92f161 MC |
971 | } else if (test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER |
972 | || test_ctx->handshake_mode | |
973 | == SSL_TEST_HANDSHAKE_KEY_UPDATE_CLIENT) { | |
974 | if (SSL_is_server(peer->ssl) | |
975 | != (test_ctx->handshake_mode | |
976 | == SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER)) { | |
977 | peer->status = PEER_SUCCESS; | |
978 | return; | |
979 | } | |
980 | ||
981 | ret = SSL_key_update(peer->ssl, test_ctx->key_update_type); | |
982 | if (!ret) { | |
983 | peer->status = PEER_ERROR; | |
984 | return; | |
985 | } | |
986 | do_handshake_step(peer); | |
987 | /* | |
988 | * This is a one step handshake. We shouldn't get anything other than | |
989 | * PEER_SUCCESS | |
990 | */ | |
991 | if (peer->status != PEER_SUCCESS) | |
992 | peer->status = PEER_ERROR; | |
993 | return; | |
9d75dce3 TS |
994 | } else if (test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_POST_HANDSHAKE_AUTH) { |
995 | if (SSL_is_server(peer->ssl)) { | |
996 | /* Make the server believe it's received the extension */ | |
997 | if (test_ctx->extra.server.force_pha) | |
998 | peer->ssl->post_handshake_auth = SSL_PHA_EXT_RECEIVED; | |
999 | ret = SSL_verify_client_post_handshake(peer->ssl); | |
1000 | if (!ret) { | |
1001 | peer->status = PEER_ERROR; | |
1002 | return; | |
1003 | } | |
1004 | } | |
1005 | do_handshake_step(peer); | |
1006 | /* | |
1007 | * This is a one step handshake. We shouldn't get anything other than | |
1008 | * PEER_SUCCESS | |
1009 | */ | |
1010 | if (peer->status != PEER_SUCCESS) | |
1011 | peer->status = PEER_ERROR; | |
1012 | return; | |
e42c4544 MC |
1013 | } |
1014 | ||
1015 | /* | |
1016 | * The SSL object is still expecting app data, even though it's going to | |
1017 | * get a handshake message. We try to read, and it should fail - after which | |
1018 | * we should be in a handshake | |
1019 | */ | |
1020 | ret = SSL_read(peer->ssl, &buf, sizeof(buf)); | |
1021 | if (ret >= 0) { | |
fe7dd553 MC |
1022 | /* |
1023 | * We're not actually expecting data - we're expecting a reneg to | |
1024 | * start | |
1025 | */ | |
e42c4544 MC |
1026 | peer->status = PEER_ERROR; |
1027 | return; | |
1028 | } else { | |
1029 | int error = SSL_get_error(peer->ssl, ret); | |
fe7dd553 | 1030 | if (error != SSL_ERROR_WANT_READ) { |
e42c4544 MC |
1031 | peer->status = PEER_ERROR; |
1032 | return; | |
1033 | } | |
9b92f161 | 1034 | /* If we're not in init yet then we're not done with setup yet */ |
fe7dd553 MC |
1035 | if (!SSL_in_init(peer->ssl)) |
1036 | return; | |
e42c4544 MC |
1037 | } |
1038 | ||
1039 | peer->status = PEER_SUCCESS; | |
1040 | } | |
1041 | ||
1042 | ||
590ed3d7 EK |
1043 | /* |
1044 | * RFC 5246 says: | |
1045 | * | |
1046 | * Note that as of TLS 1.1, | |
1047 | * failure to properly close a connection no longer requires that a | |
1048 | * session not be resumed. This is a change from TLS 1.0 to conform | |
1049 | * with widespread implementation practice. | |
1050 | * | |
1051 | * However, | |
1052 | * (a) OpenSSL requires that a connection be shutdown for all protocol versions. | |
1053 | * (b) We test lower versions, too. | |
1054 | * So we just implement shutdown. We do a full bidirectional shutdown so that we | |
1055 | * can compare sent and received close_notify alerts and get some test coverage | |
1056 | * for SSL_shutdown as a bonus. | |
1057 | */ | |
e0421bd8 | 1058 | static void do_shutdown_step(PEER *peer) |
453dfd8d EK |
1059 | { |
1060 | int ret; | |
1061 | ||
ff281ee8 P |
1062 | if (!TEST_int_eq(peer->status, PEER_RETRY)) { |
1063 | peer->status = PEER_TEST_FAILURE; | |
1064 | return; | |
1065 | } | |
e0421bd8 | 1066 | ret = SSL_shutdown(peer->ssl); |
453dfd8d EK |
1067 | |
1068 | if (ret == 1) { | |
e0421bd8 EK |
1069 | peer->status = PEER_SUCCESS; |
1070 | } else if (ret < 0) { /* On 0, we retry. */ | |
1071 | int error = SSL_get_error(peer->ssl, ret); | |
83964ca0 MC |
1072 | |
1073 | if (error != SSL_ERROR_WANT_READ && error != SSL_ERROR_WANT_WRITE) | |
e0421bd8 EK |
1074 | peer->status = PEER_ERROR; |
1075 | } | |
1076 | } | |
1077 | ||
1078 | typedef enum { | |
1079 | HANDSHAKE, | |
e42c4544 MC |
1080 | RENEG_APPLICATION_DATA, |
1081 | RENEG_SETUP, | |
1082 | RENEG_HANDSHAKE, | |
e0421bd8 EK |
1083 | APPLICATION_DATA, |
1084 | SHUTDOWN, | |
1085 | CONNECTION_DONE | |
1086 | } connect_phase_t; | |
1087 | ||
9d75dce3 TS |
1088 | |
1089 | static int renegotiate_op(const SSL_TEST_CTX *test_ctx) | |
1090 | { | |
1091 | switch (test_ctx->handshake_mode) { | |
1092 | case SSL_TEST_HANDSHAKE_RENEG_SERVER: | |
1093 | case SSL_TEST_HANDSHAKE_RENEG_CLIENT: | |
1094 | return 1; | |
1095 | default: | |
1096 | return 0; | |
1097 | } | |
1098 | } | |
1099 | static int post_handshake_op(const SSL_TEST_CTX *test_ctx) | |
1100 | { | |
1101 | switch (test_ctx->handshake_mode) { | |
1102 | case SSL_TEST_HANDSHAKE_KEY_UPDATE_CLIENT: | |
1103 | case SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER: | |
1104 | case SSL_TEST_HANDSHAKE_POST_HANDSHAKE_AUTH: | |
1105 | return 1; | |
1106 | default: | |
1107 | return 0; | |
1108 | } | |
1109 | } | |
1110 | ||
e42c4544 MC |
1111 | static connect_phase_t next_phase(const SSL_TEST_CTX *test_ctx, |
1112 | connect_phase_t phase) | |
e0421bd8 EK |
1113 | { |
1114 | switch (phase) { | |
1115 | case HANDSHAKE: | |
9d75dce3 | 1116 | if (renegotiate_op(test_ctx) || post_handshake_op(test_ctx)) |
e42c4544 MC |
1117 | return RENEG_APPLICATION_DATA; |
1118 | return APPLICATION_DATA; | |
1119 | case RENEG_APPLICATION_DATA: | |
1120 | return RENEG_SETUP; | |
1121 | case RENEG_SETUP: | |
9d75dce3 | 1122 | if (post_handshake_op(test_ctx)) |
9b92f161 | 1123 | return APPLICATION_DATA; |
e42c4544 MC |
1124 | return RENEG_HANDSHAKE; |
1125 | case RENEG_HANDSHAKE: | |
e0421bd8 EK |
1126 | return APPLICATION_DATA; |
1127 | case APPLICATION_DATA: | |
1128 | return SHUTDOWN; | |
1129 | case SHUTDOWN: | |
1130 | return CONNECTION_DONE; | |
f3b3d7f0 | 1131 | case CONNECTION_DONE: |
ff281ee8 | 1132 | TEST_error("Trying to progress after connection done"); |
f3b3d7f0 | 1133 | break; |
e0421bd8 | 1134 | } |
f3b3d7f0 | 1135 | return -1; |
e0421bd8 EK |
1136 | } |
1137 | ||
fe7dd553 MC |
1138 | static void do_connect_step(const SSL_TEST_CTX *test_ctx, PEER *peer, |
1139 | connect_phase_t phase) | |
e0421bd8 EK |
1140 | { |
1141 | switch (phase) { | |
1142 | case HANDSHAKE: | |
1143 | do_handshake_step(peer); | |
1144 | break; | |
e42c4544 MC |
1145 | case RENEG_APPLICATION_DATA: |
1146 | do_app_data_step(peer); | |
1147 | break; | |
1148 | case RENEG_SETUP: | |
fe7dd553 | 1149 | do_reneg_setup_step(test_ctx, peer); |
e42c4544 MC |
1150 | break; |
1151 | case RENEG_HANDSHAKE: | |
1152 | do_handshake_step(peer); | |
1153 | break; | |
e0421bd8 EK |
1154 | case APPLICATION_DATA: |
1155 | do_app_data_step(peer); | |
1156 | break; | |
1157 | case SHUTDOWN: | |
1158 | do_shutdown_step(peer); | |
1159 | break; | |
f3b3d7f0 | 1160 | case CONNECTION_DONE: |
ff281ee8 | 1161 | TEST_error("Action after connection done"); |
f3b3d7f0 | 1162 | break; |
453dfd8d EK |
1163 | } |
1164 | } | |
1165 | ||
1166 | typedef enum { | |
1167 | /* Both parties succeeded. */ | |
1168 | HANDSHAKE_SUCCESS, | |
1169 | /* Client errored. */ | |
1170 | CLIENT_ERROR, | |
1171 | /* Server errored. */ | |
1172 | SERVER_ERROR, | |
1173 | /* Peers are in inconsistent state. */ | |
1174 | INTERNAL_ERROR, | |
1175 | /* One or both peers not done. */ | |
1176 | HANDSHAKE_RETRY | |
1177 | } handshake_status_t; | |
1178 | ||
1179 | /* | |
1180 | * Determine the handshake outcome. | |
1181 | * last_status: the status of the peer to have acted last. | |
1182 | * previous_status: the status of the peer that didn't act last. | |
1183 | * client_spoke_last: 1 if the client went last. | |
1184 | */ | |
1185 | static handshake_status_t handshake_status(peer_status_t last_status, | |
1186 | peer_status_t previous_status, | |
1187 | int client_spoke_last) | |
1188 | { | |
1189 | switch (last_status) { | |
ff281ee8 P |
1190 | case PEER_TEST_FAILURE: |
1191 | return INTERNAL_ERROR; | |
1192 | ||
561f6f1e MC |
1193 | case PEER_WAITING: |
1194 | /* Shouldn't ever happen */ | |
1195 | return INTERNAL_ERROR; | |
1196 | ||
453dfd8d EK |
1197 | case PEER_SUCCESS: |
1198 | switch (previous_status) { | |
ff281ee8 P |
1199 | case PEER_TEST_FAILURE: |
1200 | return INTERNAL_ERROR; | |
453dfd8d EK |
1201 | case PEER_SUCCESS: |
1202 | /* Both succeeded. */ | |
1203 | return HANDSHAKE_SUCCESS; | |
561f6f1e | 1204 | case PEER_WAITING: |
453dfd8d EK |
1205 | case PEER_RETRY: |
1206 | /* Let the first peer finish. */ | |
1207 | return HANDSHAKE_RETRY; | |
1208 | case PEER_ERROR: | |
1209 | /* | |
1210 | * Second peer succeeded despite the fact that the first peer | |
1211 | * already errored. This shouldn't happen. | |
1212 | */ | |
1213 | return INTERNAL_ERROR; | |
1214 | } | |
4d921bfb | 1215 | break; |
453dfd8d EK |
1216 | |
1217 | case PEER_RETRY: | |
83964ca0 MC |
1218 | return HANDSHAKE_RETRY; |
1219 | ||
453dfd8d EK |
1220 | case PEER_ERROR: |
1221 | switch (previous_status) { | |
ff281ee8 P |
1222 | case PEER_TEST_FAILURE: |
1223 | return INTERNAL_ERROR; | |
83964ca0 MC |
1224 | case PEER_WAITING: |
1225 | /* The client failed immediately before sending the ClientHello */ | |
1226 | return client_spoke_last ? CLIENT_ERROR : INTERNAL_ERROR; | |
453dfd8d EK |
1227 | case PEER_SUCCESS: |
1228 | /* | |
1229 | * First peer succeeded but second peer errored. | |
1230 | * TODO(emilia): we should be able to continue here (with some | |
1231 | * application data?) to ensure the first peer receives the | |
1232 | * alert / close_notify. | |
e0421bd8 | 1233 | * (No tests currently exercise this branch.) |
453dfd8d EK |
1234 | */ |
1235 | return client_spoke_last ? CLIENT_ERROR : SERVER_ERROR; | |
1236 | case PEER_RETRY: | |
1237 | /* We errored; let the peer finish. */ | |
1238 | return HANDSHAKE_RETRY; | |
1239 | case PEER_ERROR: | |
1240 | /* Both peers errored. Return the one that errored first. */ | |
1241 | return client_spoke_last ? SERVER_ERROR : CLIENT_ERROR; | |
1242 | } | |
1243 | } | |
1244 | /* Control should never reach here. */ | |
1245 | return INTERNAL_ERROR; | |
1246 | } | |
1247 | ||
ce2cdac2 EK |
1248 | /* Convert unsigned char buf's that shouldn't contain any NUL-bytes to char. */ |
1249 | static char *dup_str(const unsigned char *in, size_t len) | |
1250 | { | |
ff281ee8 | 1251 | char *ret = NULL; |
ce2cdac2 | 1252 | |
28b86f31 | 1253 | if (len == 0) |
ce2cdac2 EK |
1254 | return NULL; |
1255 | ||
1256 | /* Assert that the string does not contain NUL-bytes. */ | |
ff281ee8 P |
1257 | if (TEST_size_t_eq(OPENSSL_strnlen((const char*)(in), len), len)) |
1258 | TEST_ptr(ret = OPENSSL_strndup((const char*)(in), len)); | |
ce2cdac2 EK |
1259 | return ret; |
1260 | } | |
1261 | ||
7f5f35af DSH |
1262 | static int pkey_type(EVP_PKEY *pkey) |
1263 | { | |
1264 | int nid = EVP_PKEY_id(pkey); | |
1265 | ||
1266 | #ifndef OPENSSL_NO_EC | |
1267 | if (nid == EVP_PKEY_EC) { | |
1268 | const EC_KEY *ec = EVP_PKEY_get0_EC_KEY(pkey); | |
1269 | return EC_GROUP_get_curve_name(EC_KEY_get0_group(ec)); | |
1270 | } | |
1271 | #endif | |
1272 | return nid; | |
1273 | } | |
1274 | ||
1275 | static int peer_pkey_type(SSL *s) | |
1276 | { | |
1277 | X509 *x = SSL_get_peer_certificate(s); | |
1278 | ||
1279 | if (x != NULL) { | |
1280 | int nid = pkey_type(X509_get0_pubkey(x)); | |
1281 | ||
1282 | X509_free(x); | |
1283 | return nid; | |
1284 | } | |
1285 | return NID_undef; | |
1286 | } | |
1287 | ||
83964ca0 MC |
1288 | #if !defined(OPENSSL_NO_SCTP) && !defined(OPENSSL_NO_SOCK) |
1289 | static int set_sock_as_sctp(int sock) | |
1290 | { | |
09d62b33 MT |
1291 | struct sctp_assocparams assocparams; |
1292 | struct sctp_rtoinfo rto_info; | |
1293 | BIO *tmpbio; | |
1294 | ||
1295 | /* | |
1296 | * To allow tests to fail fast (within a second or so), reduce the | |
1297 | * retransmission timeouts and the number of retransmissions. | |
1298 | */ | |
1299 | memset(&rto_info, 0, sizeof(struct sctp_rtoinfo)); | |
1300 | rto_info.srto_initial = 100; | |
1301 | rto_info.srto_max = 200; | |
1302 | rto_info.srto_min = 50; | |
1303 | (void)setsockopt(sock, IPPROTO_SCTP, SCTP_RTOINFO, | |
1304 | (const void *)&rto_info, sizeof(struct sctp_rtoinfo)); | |
1305 | memset(&assocparams, 0, sizeof(struct sctp_assocparams)); | |
1306 | assocparams.sasoc_asocmaxrxt = 2; | |
1307 | (void)setsockopt(sock, IPPROTO_SCTP, SCTP_ASSOCINFO, | |
1308 | (const void *)&assocparams, | |
1309 | sizeof(struct sctp_assocparams)); | |
1310 | ||
83964ca0 MC |
1311 | /* |
1312 | * For SCTP we have to set various options on the socket prior to | |
1313 | * connecting. This is done automatically by BIO_new_dgram_sctp(). | |
1314 | * We don't actually need the created BIO though so we free it again | |
1315 | * immediately. | |
1316 | */ | |
09d62b33 | 1317 | tmpbio = BIO_new_dgram_sctp(sock, BIO_NOCLOSE); |
83964ca0 MC |
1318 | |
1319 | if (tmpbio == NULL) | |
1320 | return 0; | |
1321 | BIO_free(tmpbio); | |
1322 | ||
1323 | return 1; | |
1324 | } | |
1325 | ||
1326 | static int create_sctp_socks(int *ssock, int *csock) | |
1327 | { | |
1328 | BIO_ADDRINFO *res = NULL; | |
1329 | const BIO_ADDRINFO *ai = NULL; | |
1330 | int lsock = INVALID_SOCKET, asock = INVALID_SOCKET; | |
1331 | int consock = INVALID_SOCKET; | |
1332 | int ret = 0; | |
1333 | int family = 0; | |
1334 | ||
9e1d5e8d | 1335 | if (BIO_sock_init() != 1) |
83964ca0 MC |
1336 | return 0; |
1337 | ||
1338 | /* | |
1339 | * Port is 4463. It could be anything. It will fail if it's already being | |
1340 | * used for some other SCTP service. It seems unlikely though so we don't | |
1341 | * worry about it here. | |
1342 | */ | |
1343 | if (!BIO_lookup_ex(NULL, "4463", BIO_LOOKUP_SERVER, family, SOCK_STREAM, | |
1344 | IPPROTO_SCTP, &res)) | |
1345 | return 0; | |
1346 | ||
1347 | for (ai = res; ai != NULL; ai = BIO_ADDRINFO_next(ai)) { | |
1348 | family = BIO_ADDRINFO_family(ai); | |
1349 | lsock = BIO_socket(family, SOCK_STREAM, IPPROTO_SCTP, 0); | |
1350 | if (lsock == INVALID_SOCKET) { | |
1351 | /* Maybe the kernel doesn't support the socket family, even if | |
1352 | * BIO_lookup() added it in the returned result... | |
1353 | */ | |
1354 | continue; | |
1355 | } | |
1356 | ||
1357 | if (!set_sock_as_sctp(lsock) | |
1358 | || !BIO_listen(lsock, BIO_ADDRINFO_address(ai), | |
1359 | BIO_SOCK_REUSEADDR)) { | |
1360 | BIO_closesocket(lsock); | |
1361 | lsock = INVALID_SOCKET; | |
1362 | continue; | |
1363 | } | |
1364 | ||
1365 | /* Success, don't try any more addresses */ | |
1366 | break; | |
1367 | } | |
1368 | ||
1369 | if (lsock == INVALID_SOCKET) | |
1370 | goto err; | |
1371 | ||
1372 | BIO_ADDRINFO_free(res); | |
1373 | res = NULL; | |
1374 | ||
1375 | if (!BIO_lookup_ex(NULL, "4463", BIO_LOOKUP_CLIENT, family, SOCK_STREAM, | |
1376 | IPPROTO_SCTP, &res)) | |
1377 | goto err; | |
1378 | ||
1379 | consock = BIO_socket(family, SOCK_STREAM, IPPROTO_SCTP, 0); | |
1380 | if (consock == INVALID_SOCKET) | |
1381 | goto err; | |
1382 | ||
1383 | if (!set_sock_as_sctp(consock) | |
1384 | || !BIO_connect(consock, BIO_ADDRINFO_address(res), 0) | |
1385 | || !BIO_socket_nbio(consock, 1)) | |
1386 | goto err; | |
1387 | ||
1388 | asock = BIO_accept_ex(lsock, NULL, BIO_SOCK_NONBLOCK); | |
1389 | if (asock == INVALID_SOCKET) | |
1390 | goto err; | |
1391 | ||
1392 | *csock = consock; | |
1393 | *ssock = asock; | |
1394 | consock = asock = INVALID_SOCKET; | |
1395 | ret = 1; | |
1396 | ||
1397 | err: | |
1398 | BIO_ADDRINFO_free(res); | |
1399 | if (consock != INVALID_SOCKET) | |
1400 | BIO_closesocket(consock); | |
1401 | if (lsock != INVALID_SOCKET) | |
1402 | BIO_closesocket(lsock); | |
1403 | if (asock != INVALID_SOCKET) | |
1404 | BIO_closesocket(asock); | |
1405 | return ret; | |
1406 | } | |
1407 | #endif | |
1408 | ||
6dc99745 EK |
1409 | /* |
1410 | * Note that |extra| points to the correct client/server configuration | |
1411 | * within |test_ctx|. When configuring the handshake, general mode settings | |
1412 | * are taken from |test_ctx|, and client/server-specific settings should be | |
1413 | * taken from |extra|. | |
1414 | * | |
1415 | * The configuration code should never reach into |test_ctx->extra| or | |
1416 | * |test_ctx->resume_extra| directly. | |
1417 | * | |
1418 | * (We could refactor test mode settings into a substructure. This would result | |
1419 | * in cleaner argument passing but would complicate the test configuration | |
1420 | * parsing.) | |
1421 | */ | |
590ed3d7 EK |
1422 | static HANDSHAKE_RESULT *do_handshake_internal( |
1423 | SSL_CTX *server_ctx, SSL_CTX *server2_ctx, SSL_CTX *client_ctx, | |
6dc99745 | 1424 | const SSL_TEST_CTX *test_ctx, const SSL_TEST_EXTRA_CONF *extra, |
6cc0b3c2 MC |
1425 | SSL_SESSION *session_in, SSL_SESSION *serv_sess_in, |
1426 | SSL_SESSION **session_out, SSL_SESSION **serv_sess_out) | |
453dfd8d | 1427 | { |
e0421bd8 | 1428 | PEER server, client; |
83964ca0 | 1429 | BIO *client_to_server = NULL, *server_to_client = NULL; |
453dfd8d | 1430 | HANDSHAKE_EX_DATA server_ex_data, client_ex_data; |
ce2cdac2 EK |
1431 | CTX_DATA client_ctx_data, server_ctx_data, server2_ctx_data; |
1432 | HANDSHAKE_RESULT *ret = HANDSHAKE_RESULT_new(); | |
36ff232c | 1433 | int client_turn = 1, client_turn_count = 0, client_wait_count = 0; |
e0421bd8 | 1434 | connect_phase_t phase = HANDSHAKE; |
453dfd8d | 1435 | handshake_status_t status = HANDSHAKE_RETRY; |
48593cb1 | 1436 | const unsigned char* tick = NULL; |
ce2cdac2 | 1437 | size_t tick_len = 0; |
a84e5c9a TS |
1438 | const unsigned char* sess_id = NULL; |
1439 | unsigned int sess_id_len = 0; | |
5c753de6 | 1440 | SSL_SESSION* sess = NULL; |
ce2cdac2 EK |
1441 | const unsigned char *proto = NULL; |
1442 | /* API dictates unsigned int rather than size_t. */ | |
1443 | unsigned int proto_len = 0; | |
b93ad05d | 1444 | EVP_PKEY *tmp_key; |
f15b50c4 | 1445 | const STACK_OF(X509_NAME) *names; |
83964ca0 | 1446 | time_t start; |
e1c7871d | 1447 | const char* cipher; |
453dfd8d | 1448 | |
ff281ee8 P |
1449 | if (ret == NULL) |
1450 | return NULL; | |
1451 | ||
ce2cdac2 EK |
1452 | memset(&server_ctx_data, 0, sizeof(server_ctx_data)); |
1453 | memset(&server2_ctx_data, 0, sizeof(server2_ctx_data)); | |
1454 | memset(&client_ctx_data, 0, sizeof(client_ctx_data)); | |
e0421bd8 EK |
1455 | memset(&server, 0, sizeof(server)); |
1456 | memset(&client, 0, sizeof(client)); | |
20e237c0 P |
1457 | memset(&server_ex_data, 0, sizeof(server_ex_data)); |
1458 | memset(&client_ex_data, 0, sizeof(client_ex_data)); | |
ce2cdac2 | 1459 | |
ff281ee8 P |
1460 | if (!configure_handshake_ctx(server_ctx, server2_ctx, client_ctx, |
1461 | test_ctx, extra, &server_ctx_data, | |
1462 | &server2_ctx_data, &client_ctx_data)) { | |
1463 | TEST_note("configure_handshake_ctx"); | |
1464 | return NULL; | |
1465 | } | |
a263f320 | 1466 | |
09d62b33 MT |
1467 | #if !defined(OPENSSL_NO_SCTP) && !defined(OPENSSL_NO_SOCK) |
1468 | if (test_ctx->enable_client_sctp_label_bug) | |
1469 | SSL_CTX_set_mode(client_ctx, SSL_MODE_DTLS_SCTP_LABEL_LENGTH_BUG); | |
1470 | if (test_ctx->enable_server_sctp_label_bug) | |
1471 | SSL_CTX_set_mode(server_ctx, SSL_MODE_DTLS_SCTP_LABEL_LENGTH_BUG); | |
1472 | #endif | |
1473 | ||
e0421bd8 | 1474 | /* Setup SSL and buffers; additional configuration happens below. */ |
ff281ee8 P |
1475 | if (!create_peer(&server, server_ctx)) { |
1476 | TEST_note("creating server context"); | |
1477 | goto err; | |
1478 | } | |
1479 | if (!create_peer(&client, client_ctx)) { | |
1480 | TEST_note("creating client context"); | |
1481 | goto err; | |
1482 | } | |
453dfd8d | 1483 | |
6dc99745 EK |
1484 | server.bytes_to_write = client.bytes_to_read = test_ctx->app_data_size; |
1485 | client.bytes_to_write = server.bytes_to_read = test_ctx->app_data_size; | |
e0421bd8 EK |
1486 | |
1487 | configure_handshake_ssl(server.ssl, client.ssl, extra); | |
590ed3d7 | 1488 | if (session_in != NULL) { |
6cc0b3c2 | 1489 | SSL_SESSION_get_id(serv_sess_in, &sess_id_len); |
590ed3d7 | 1490 | /* In case we're testing resumption without tickets. */ |
6cc0b3c2 MC |
1491 | if ((sess_id_len > 0 |
1492 | && !TEST_true(SSL_CTX_add_session(server_ctx, | |
1493 | serv_sess_in))) | |
ff281ee8 P |
1494 | || !TEST_true(SSL_set_session(client.ssl, session_in))) |
1495 | goto err; | |
6cc0b3c2 | 1496 | sess_id_len = 0; |
590ed3d7 | 1497 | } |
5c753de6 | 1498 | |
ce2cdac2 | 1499 | ret->result = SSL_TEST_INTERNAL_ERROR; |
453dfd8d | 1500 | |
83964ca0 MC |
1501 | if (test_ctx->use_sctp) { |
1502 | #if !defined(OPENSSL_NO_SCTP) && !defined(OPENSSL_NO_SOCK) | |
1503 | int csock, ssock; | |
1504 | ||
1505 | if (create_sctp_socks(&ssock, &csock)) { | |
1506 | client_to_server = BIO_new_dgram_sctp(csock, BIO_CLOSE); | |
1507 | server_to_client = BIO_new_dgram_sctp(ssock, BIO_CLOSE); | |
1508 | } | |
1509 | #endif | |
1510 | } else { | |
1511 | client_to_server = BIO_new(BIO_s_mem()); | |
1512 | server_to_client = BIO_new(BIO_s_mem()); | |
1513 | } | |
453dfd8d | 1514 | |
ff281ee8 P |
1515 | if (!TEST_ptr(client_to_server) |
1516 | || !TEST_ptr(server_to_client)) | |
1517 | goto err; | |
453dfd8d EK |
1518 | |
1519 | /* Non-blocking bio. */ | |
1520 | BIO_set_nbio(client_to_server, 1); | |
1521 | BIO_set_nbio(server_to_client, 1); | |
1522 | ||
e0421bd8 EK |
1523 | SSL_set_connect_state(client.ssl); |
1524 | SSL_set_accept_state(server.ssl); | |
453dfd8d EK |
1525 | |
1526 | /* The bios are now owned by the SSL object. */ | |
83964ca0 MC |
1527 | if (test_ctx->use_sctp) { |
1528 | SSL_set_bio(client.ssl, client_to_server, client_to_server); | |
1529 | SSL_set_bio(server.ssl, server_to_client, server_to_client); | |
1530 | } else { | |
1531 | SSL_set_bio(client.ssl, server_to_client, client_to_server); | |
ff281ee8 P |
1532 | if (!TEST_int_gt(BIO_up_ref(server_to_client), 0) |
1533 | || !TEST_int_gt(BIO_up_ref(client_to_server), 0)) | |
1534 | goto err; | |
83964ca0 MC |
1535 | SSL_set_bio(server.ssl, client_to_server, server_to_client); |
1536 | } | |
453dfd8d EK |
1537 | |
1538 | ex_data_idx = SSL_get_ex_new_index(0, "ex data", NULL, NULL, NULL); | |
ff281ee8 P |
1539 | if (!TEST_int_ge(ex_data_idx, 0) |
1540 | || !TEST_int_eq(SSL_set_ex_data(server.ssl, ex_data_idx, &server_ex_data), 1) | |
1541 | || !TEST_int_eq(SSL_set_ex_data(client.ssl, ex_data_idx, &client_ex_data), 1)) | |
1542 | goto err; | |
e0421bd8 EK |
1543 | |
1544 | SSL_set_info_callback(server.ssl, &info_cb); | |
1545 | SSL_set_info_callback(client.ssl, &info_cb); | |
453dfd8d | 1546 | |
83964ca0 MC |
1547 | client.status = PEER_RETRY; |
1548 | server.status = PEER_WAITING; | |
1549 | ||
1550 | start = time(NULL); | |
453dfd8d EK |
1551 | |
1552 | /* | |
1553 | * Half-duplex handshake loop. | |
1554 | * Client and server speak to each other synchronously in the same process. | |
1555 | * We use non-blocking BIOs, so whenever one peer blocks for read, it | |
1556 | * returns PEER_RETRY to indicate that it's the other peer's turn to write. | |
1557 | * The handshake succeeds once both peers have succeeded. If one peer | |
1558 | * errors out, we also let the other peer retry (and presumably fail). | |
1559 | */ | |
1560 | for(;;) { | |
1561 | if (client_turn) { | |
fe7dd553 | 1562 | do_connect_step(test_ctx, &client, phase); |
e0421bd8 | 1563 | status = handshake_status(client.status, server.status, |
453dfd8d | 1564 | 1 /* client went last */); |
83964ca0 MC |
1565 | if (server.status == PEER_WAITING) |
1566 | server.status = PEER_RETRY; | |
453dfd8d | 1567 | } else { |
fe7dd553 | 1568 | do_connect_step(test_ctx, &server, phase); |
e0421bd8 | 1569 | status = handshake_status(server.status, client.status, |
453dfd8d EK |
1570 | 0 /* server went last */); |
1571 | } | |
1572 | ||
1573 | switch (status) { | |
1574 | case HANDSHAKE_SUCCESS: | |
ceb6d746 | 1575 | client_turn_count = 0; |
e42c4544 | 1576 | phase = next_phase(test_ctx, phase); |
e0421bd8 | 1577 | if (phase == CONNECTION_DONE) { |
590ed3d7 EK |
1578 | ret->result = SSL_TEST_SUCCESS; |
1579 | goto err; | |
1580 | } else { | |
e0421bd8 EK |
1581 | client.status = server.status = PEER_RETRY; |
1582 | /* | |
1583 | * For now, client starts each phase. Since each phase is | |
1584 | * started separately, we can later control this more | |
1585 | * precisely, for example, to test client-initiated and | |
1586 | * server-initiated shutdown. | |
1587 | */ | |
590ed3d7 EK |
1588 | client_turn = 1; |
1589 | break; | |
1590 | } | |
453dfd8d | 1591 | case CLIENT_ERROR: |
ce2cdac2 | 1592 | ret->result = SSL_TEST_CLIENT_FAIL; |
453dfd8d EK |
1593 | goto err; |
1594 | case SERVER_ERROR: | |
ce2cdac2 | 1595 | ret->result = SSL_TEST_SERVER_FAIL; |
453dfd8d EK |
1596 | goto err; |
1597 | case INTERNAL_ERROR: | |
ce2cdac2 | 1598 | ret->result = SSL_TEST_INTERNAL_ERROR; |
453dfd8d EK |
1599 | goto err; |
1600 | case HANDSHAKE_RETRY: | |
83964ca0 MC |
1601 | if (test_ctx->use_sctp) { |
1602 | if (time(NULL) - start > 3) { | |
1603 | /* | |
1604 | * We've waited for too long. Give up. | |
1605 | */ | |
1606 | ret->result = SSL_TEST_INTERNAL_ERROR; | |
1607 | goto err; | |
1608 | } | |
ceb6d746 | 1609 | /* |
83964ca0 MC |
1610 | * With "real" sockets we only swap to processing the peer |
1611 | * if they are expecting to retry. Otherwise we just retry the | |
1612 | * same endpoint again. | |
ceb6d746 | 1613 | */ |
83964ca0 MC |
1614 | if ((client_turn && server.status == PEER_RETRY) |
1615 | || (!client_turn && client.status == PEER_RETRY)) | |
1616 | client_turn ^= 1; | |
1617 | } else { | |
1618 | if (client_turn_count++ >= 2000) { | |
1619 | /* | |
1620 | * At this point, there's been so many PEER_RETRY in a row | |
1621 | * that it's likely both sides are stuck waiting for a read. | |
1622 | * It's time to give up. | |
1623 | */ | |
1624 | ret->result = SSL_TEST_INTERNAL_ERROR; | |
1625 | goto err; | |
1626 | } | |
36ff232c MC |
1627 | if (client_turn && server.status == PEER_SUCCESS) { |
1628 | /* | |
1629 | * The server may finish before the client because the | |
1630 | * client spends some turns processing NewSessionTickets. | |
1631 | */ | |
1632 | if (client_wait_count++ >= 2) { | |
1633 | ret->result = SSL_TEST_INTERNAL_ERROR; | |
1634 | goto err; | |
1635 | } | |
1636 | } else { | |
1637 | /* Continue. */ | |
1638 | client_turn ^= 1; | |
1639 | } | |
83964ca0 | 1640 | } |
453dfd8d EK |
1641 | break; |
1642 | } | |
1643 | } | |
1644 | err: | |
ce2cdac2 | 1645 | ret->server_alert_sent = server_ex_data.alert_sent; |
dd8e5a57 | 1646 | ret->server_num_fatal_alerts_sent = server_ex_data.num_fatal_alerts_sent; |
ce2cdac2 EK |
1647 | ret->server_alert_received = client_ex_data.alert_received; |
1648 | ret->client_alert_sent = client_ex_data.alert_sent; | |
dd8e5a57 | 1649 | ret->client_num_fatal_alerts_sent = client_ex_data.num_fatal_alerts_sent; |
ce2cdac2 | 1650 | ret->client_alert_received = server_ex_data.alert_received; |
e0421bd8 EK |
1651 | ret->server_protocol = SSL_version(server.ssl); |
1652 | ret->client_protocol = SSL_version(client.ssl); | |
ce2cdac2 | 1653 | ret->servername = server_ex_data.servername; |
a84e5c9a | 1654 | if ((sess = SSL_get0_session(client.ssl)) != NULL) { |
ce2cdac2 | 1655 | SSL_SESSION_get0_ticket(sess, &tick, &tick_len); |
a84e5c9a TS |
1656 | sess_id = SSL_SESSION_get_id(sess, &sess_id_len); |
1657 | } | |
ce2cdac2 EK |
1658 | if (tick == NULL || tick_len == 0) |
1659 | ret->session_ticket = SSL_TEST_SESSION_TICKET_NO; | |
5c753de6 | 1660 | else |
ce2cdac2 | 1661 | ret->session_ticket = SSL_TEST_SESSION_TICKET_YES; |
439db0c9 MC |
1662 | ret->compression = (SSL_get_current_compression(client.ssl) == NULL) |
1663 | ? SSL_TEST_COMPRESSION_NO | |
1664 | : SSL_TEST_COMPRESSION_YES; | |
a84e5c9a TS |
1665 | if (sess_id == NULL || sess_id_len == 0) |
1666 | ret->session_id = SSL_TEST_SESSION_ID_NO; | |
1667 | else | |
1668 | ret->session_id = SSL_TEST_SESSION_ID_YES; | |
ce2cdac2 EK |
1669 | ret->session_ticket_do_not_call = server_ex_data.session_ticket_do_not_call; |
1670 | ||
620c6ad3 | 1671 | #ifndef OPENSSL_NO_NEXTPROTONEG |
e0421bd8 | 1672 | SSL_get0_next_proto_negotiated(client.ssl, &proto, &proto_len); |
ce2cdac2 EK |
1673 | ret->client_npn_negotiated = dup_str(proto, proto_len); |
1674 | ||
e0421bd8 | 1675 | SSL_get0_next_proto_negotiated(server.ssl, &proto, &proto_len); |
ce2cdac2 | 1676 | ret->server_npn_negotiated = dup_str(proto, proto_len); |
7b7cea6d | 1677 | #endif |
ce2cdac2 | 1678 | |
e0421bd8 | 1679 | SSL_get0_alpn_selected(client.ssl, &proto, &proto_len); |
ce2cdac2 EK |
1680 | ret->client_alpn_negotiated = dup_str(proto, proto_len); |
1681 | ||
e0421bd8 | 1682 | SSL_get0_alpn_selected(server.ssl, &proto, &proto_len); |
ce2cdac2 | 1683 | ret->server_alpn_negotiated = dup_str(proto, proto_len); |
453dfd8d | 1684 | |
df0fed9a TS |
1685 | if ((sess = SSL_get0_session(server.ssl)) != NULL) { |
1686 | SSL_SESSION_get0_ticket_appdata(sess, (void**)&tick, &tick_len); | |
1687 | ret->result_session_ticket_app_data = OPENSSL_strndup((const char*)tick, tick_len); | |
1688 | } | |
1689 | ||
e0421bd8 EK |
1690 | ret->client_resumed = SSL_session_reused(client.ssl); |
1691 | ret->server_resumed = SSL_session_reused(server.ssl); | |
590ed3d7 | 1692 | |
e1c7871d TS |
1693 | cipher = SSL_CIPHER_get_name(SSL_get_current_cipher(client.ssl)); |
1694 | ret->cipher = dup_str((const unsigned char*)cipher, strlen(cipher)); | |
1695 | ||
590ed3d7 | 1696 | if (session_out != NULL) |
e0421bd8 | 1697 | *session_out = SSL_get1_session(client.ssl); |
6cc0b3c2 MC |
1698 | if (serv_sess_out != NULL) { |
1699 | SSL_SESSION *tmp = SSL_get_session(server.ssl); | |
1700 | ||
1701 | /* | |
1702 | * We create a fresh copy that is not in the server session ctx linked | |
1703 | * list. | |
1704 | */ | |
1705 | if (tmp != NULL) | |
1706 | *serv_sess_out = SSL_SESSION_dup(tmp); | |
1707 | } | |
590ed3d7 | 1708 | |
a51c9f63 | 1709 | if (SSL_get_peer_tmp_key(client.ssl, &tmp_key)) { |
7f5f35af | 1710 | ret->tmp_key_type = pkey_type(tmp_key); |
b93ad05d | 1711 | EVP_PKEY_free(tmp_key); |
b93ad05d DSH |
1712 | } |
1713 | ||
ee5b6a42 DSH |
1714 | SSL_get_peer_signature_nid(client.ssl, &ret->server_sign_hash); |
1715 | SSL_get_peer_signature_nid(server.ssl, &ret->client_sign_hash); | |
1716 | ||
54b7f2a5 DSH |
1717 | SSL_get_peer_signature_type_nid(client.ssl, &ret->server_sign_type); |
1718 | SSL_get_peer_signature_type_nid(server.ssl, &ret->client_sign_type); | |
1719 | ||
f15b50c4 | 1720 | names = SSL_get0_peer_CA_list(client.ssl); |
2e21539b DSH |
1721 | if (names == NULL) |
1722 | ret->client_ca_names = NULL; | |
1723 | else | |
1724 | ret->client_ca_names = SSL_dup_CA_list(names); | |
1725 | ||
f15b50c4 DSH |
1726 | names = SSL_get0_peer_CA_list(server.ssl); |
1727 | if (names == NULL) | |
1728 | ret->server_ca_names = NULL; | |
1729 | else | |
1730 | ret->server_ca_names = SSL_dup_CA_list(names); | |
1731 | ||
7f5f35af DSH |
1732 | ret->server_cert_type = peer_pkey_type(client.ssl); |
1733 | ret->client_cert_type = peer_pkey_type(server.ssl); | |
1734 | ||
ce2cdac2 EK |
1735 | ctx_data_free_data(&server_ctx_data); |
1736 | ctx_data_free_data(&server2_ctx_data); | |
1737 | ctx_data_free_data(&client_ctx_data); | |
590ed3d7 | 1738 | |
e0421bd8 EK |
1739 | peer_free_data(&server); |
1740 | peer_free_data(&client); | |
453dfd8d EK |
1741 | return ret; |
1742 | } | |
590ed3d7 EK |
1743 | |
1744 | HANDSHAKE_RESULT *do_handshake(SSL_CTX *server_ctx, SSL_CTX *server2_ctx, | |
1745 | SSL_CTX *client_ctx, SSL_CTX *resume_server_ctx, | |
11279b13 | 1746 | SSL_CTX *resume_client_ctx, |
590ed3d7 EK |
1747 | const SSL_TEST_CTX *test_ctx) |
1748 | { | |
1749 | HANDSHAKE_RESULT *result; | |
6cc0b3c2 | 1750 | SSL_SESSION *session = NULL, *serv_sess = NULL; |
590ed3d7 EK |
1751 | |
1752 | result = do_handshake_internal(server_ctx, server2_ctx, client_ctx, | |
6dc99745 | 1753 | test_ctx, &test_ctx->extra, |
6cc0b3c2 | 1754 | NULL, NULL, &session, &serv_sess); |
ff281ee8 P |
1755 | if (result == NULL |
1756 | || test_ctx->handshake_mode != SSL_TEST_HANDSHAKE_RESUME | |
1757 | || result->result == SSL_TEST_INTERNAL_ERROR) | |
590ed3d7 EK |
1758 | goto end; |
1759 | ||
590ed3d7 EK |
1760 | if (result->result != SSL_TEST_SUCCESS) { |
1761 | result->result = SSL_TEST_FIRST_HANDSHAKE_FAILED; | |
e0421bd8 | 1762 | goto end; |
590ed3d7 EK |
1763 | } |
1764 | ||
1765 | HANDSHAKE_RESULT_free(result); | |
1766 | /* We don't support SNI on second handshake yet, so server2_ctx is NULL. */ | |
11279b13 | 1767 | result = do_handshake_internal(resume_server_ctx, NULL, resume_client_ctx, |
6dc99745 | 1768 | test_ctx, &test_ctx->resume_extra, |
6cc0b3c2 | 1769 | session, serv_sess, NULL, NULL); |
590ed3d7 EK |
1770 | end: |
1771 | SSL_SESSION_free(session); | |
6cc0b3c2 | 1772 | SSL_SESSION_free(serv_sess); |
590ed3d7 EK |
1773 | return result; |
1774 | } |