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Commit | Line | Data |
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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 | ||
852c2ed2 RS |
29 | DEFINE_STACK_OF(X509_NAME) |
30 | ||
3cb7c5cf | 31 | HANDSHAKE_RESULT *HANDSHAKE_RESULT_new(void) |
ce2cdac2 | 32 | { |
ff281ee8 P |
33 | HANDSHAKE_RESULT *ret; |
34 | ||
35 | TEST_ptr(ret = OPENSSL_zalloc(sizeof(*ret))); | |
ce2cdac2 EK |
36 | return ret; |
37 | } | |
38 | ||
39 | void HANDSHAKE_RESULT_free(HANDSHAKE_RESULT *result) | |
40 | { | |
2f35e6a3 EK |
41 | if (result == NULL) |
42 | return; | |
ce2cdac2 EK |
43 | OPENSSL_free(result->client_npn_negotiated); |
44 | OPENSSL_free(result->server_npn_negotiated); | |
45 | OPENSSL_free(result->client_alpn_negotiated); | |
46 | OPENSSL_free(result->server_alpn_negotiated); | |
df0fed9a | 47 | OPENSSL_free(result->result_session_ticket_app_data); |
f15b50c4 | 48 | sk_X509_NAME_pop_free(result->server_ca_names, X509_NAME_free); |
2e21539b | 49 | sk_X509_NAME_pop_free(result->client_ca_names, X509_NAME_free); |
e1c7871d | 50 | OPENSSL_free(result->cipher); |
ce2cdac2 EK |
51 | OPENSSL_free(result); |
52 | } | |
53 | ||
453dfd8d EK |
54 | /* |
55 | * Since there appears to be no way to extract the sent/received alert | |
56 | * from the SSL object directly, we use the info callback and stash | |
57 | * the result in ex_data. | |
58 | */ | |
e0421bd8 | 59 | typedef struct handshake_ex_data_st { |
453dfd8d | 60 | int alert_sent; |
dd8e5a57 | 61 | int num_fatal_alerts_sent; |
453dfd8d | 62 | int alert_received; |
5c753de6 | 63 | int session_ticket_do_not_call; |
d2b23cd2 | 64 | ssl_servername_t servername; |
453dfd8d EK |
65 | } HANDSHAKE_EX_DATA; |
66 | ||
e0421bd8 | 67 | typedef struct ctx_data_st { |
ce2cdac2 EK |
68 | unsigned char *npn_protocols; |
69 | size_t npn_protocols_len; | |
70 | unsigned char *alpn_protocols; | |
71 | size_t alpn_protocols_len; | |
ea1ecd98 EK |
72 | char *srp_user; |
73 | char *srp_password; | |
df0fed9a | 74 | char *session_ticket_app_data; |
ce2cdac2 EK |
75 | } CTX_DATA; |
76 | ||
77 | /* |ctx_data| itself is stack-allocated. */ | |
78 | static void ctx_data_free_data(CTX_DATA *ctx_data) | |
79 | { | |
80 | OPENSSL_free(ctx_data->npn_protocols); | |
81 | ctx_data->npn_protocols = NULL; | |
82 | OPENSSL_free(ctx_data->alpn_protocols); | |
83 | ctx_data->alpn_protocols = NULL; | |
ea1ecd98 EK |
84 | OPENSSL_free(ctx_data->srp_user); |
85 | ctx_data->srp_user = NULL; | |
86 | OPENSSL_free(ctx_data->srp_password); | |
87 | ctx_data->srp_password = NULL; | |
df0fed9a TS |
88 | OPENSSL_free(ctx_data->session_ticket_app_data); |
89 | ctx_data->session_ticket_app_data = NULL; | |
ce2cdac2 EK |
90 | } |
91 | ||
453dfd8d EK |
92 | static int ex_data_idx; |
93 | ||
a8c82fa0 | 94 | static void info_cb(const SSL *s, int where, int ret) |
453dfd8d EK |
95 | { |
96 | if (where & SSL_CB_ALERT) { | |
97 | HANDSHAKE_EX_DATA *ex_data = | |
98 | (HANDSHAKE_EX_DATA*)(SSL_get_ex_data(s, ex_data_idx)); | |
99 | if (where & SSL_CB_WRITE) { | |
100 | ex_data->alert_sent = ret; | |
dd8e5a57 EK |
101 | if (strcmp(SSL_alert_type_string(ret), "F") == 0 |
102 | || strcmp(SSL_alert_desc_string(ret), "CN") == 0) | |
103 | ex_data->num_fatal_alerts_sent++; | |
453dfd8d EK |
104 | } else { |
105 | ex_data->alert_received = ret; | |
106 | } | |
107 | } | |
108 | } | |
109 | ||
ce2cdac2 | 110 | /* Select the appropriate server CTX. |
d2b23cd2 EK |
111 | * Returns SSL_TLSEXT_ERR_OK if a match was found. |
112 | * If |ignore| is 1, returns SSL_TLSEXT_ERR_NOACK on mismatch. | |
113 | * Otherwise, returns SSL_TLSEXT_ERR_ALERT_FATAL on mismatch. | |
114 | * An empty SNI extension also returns SSL_TSLEXT_ERR_NOACK. | |
115 | */ | |
116 | static int select_server_ctx(SSL *s, void *arg, int ignore) | |
81fc33c9 EK |
117 | { |
118 | const char *servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name); | |
d2b23cd2 EK |
119 | HANDSHAKE_EX_DATA *ex_data = |
120 | (HANDSHAKE_EX_DATA*)(SSL_get_ex_data(s, ex_data_idx)); | |
121 | ||
122 | if (servername == NULL) { | |
123 | ex_data->servername = SSL_TEST_SERVERNAME_SERVER1; | |
124 | return SSL_TLSEXT_ERR_NOACK; | |
125 | } | |
126 | ||
127 | if (strcmp(servername, "server2") == 0) { | |
81fc33c9 EK |
128 | SSL_CTX *new_ctx = (SSL_CTX*)arg; |
129 | SSL_set_SSL_CTX(s, new_ctx); | |
130 | /* | |
131 | * Copy over all the SSL_CTX options - reasonable behavior | |
132 | * allows testing of cases where the options between two | |
133 | * contexts differ/conflict | |
134 | */ | |
135 | SSL_clear_options(s, 0xFFFFFFFFL); | |
136 | SSL_set_options(s, SSL_CTX_get_options(new_ctx)); | |
d2b23cd2 EK |
137 | |
138 | ex_data->servername = SSL_TEST_SERVERNAME_SERVER2; | |
139 | return SSL_TLSEXT_ERR_OK; | |
140 | } else if (strcmp(servername, "server1") == 0) { | |
141 | ex_data->servername = SSL_TEST_SERVERNAME_SERVER1; | |
142 | return SSL_TLSEXT_ERR_OK; | |
143 | } else if (ignore) { | |
144 | ex_data->servername = SSL_TEST_SERVERNAME_SERVER1; | |
145 | return SSL_TLSEXT_ERR_NOACK; | |
146 | } else { | |
147 | /* Don't set an explicit alert, to test library defaults. */ | |
148 | return SSL_TLSEXT_ERR_ALERT_FATAL; | |
81fc33c9 | 149 | } |
d2b23cd2 EK |
150 | } |
151 | ||
a9c0d8be | 152 | static int client_hello_select_server_ctx(SSL *s, void *arg, int ignore) |
80de0c59 BK |
153 | { |
154 | const char *servername; | |
155 | const unsigned char *p; | |
156 | size_t len, remaining; | |
157 | HANDSHAKE_EX_DATA *ex_data = | |
158 | (HANDSHAKE_EX_DATA*)(SSL_get_ex_data(s, ex_data_idx)); | |
159 | ||
160 | /* | |
161 | * The server_name extension was given too much extensibility when it | |
162 | * was written, so parsing the normal case is a bit complex. | |
163 | */ | |
a9c0d8be DB |
164 | if (!SSL_client_hello_get0_ext(s, TLSEXT_TYPE_server_name, &p, |
165 | &remaining) || | |
80de0c59 BK |
166 | remaining <= 2) |
167 | return 0; | |
168 | /* Extract the length of the supplied list of names. */ | |
c4604e9b | 169 | len = (*(p++) << 8); |
80de0c59 BK |
170 | len += *(p++); |
171 | if (len + 2 != remaining) | |
172 | return 0; | |
173 | remaining = len; | |
174 | /* | |
175 | * The list in practice only has a single element, so we only consider | |
176 | * the first one. | |
177 | */ | |
178 | if (remaining == 0 || *p++ != TLSEXT_NAMETYPE_host_name) | |
179 | return 0; | |
180 | remaining--; | |
181 | /* Now we can finally pull out the byte array with the actual hostname. */ | |
182 | if (remaining <= 2) | |
183 | return 0; | |
c4604e9b | 184 | len = (*(p++) << 8); |
80de0c59 BK |
185 | len += *(p++); |
186 | if (len + 2 > remaining) | |
187 | return 0; | |
188 | remaining = len; | |
189 | servername = (const char *)p; | |
190 | ||
191 | if (len == strlen("server2") && strncmp(servername, "server2", len) == 0) { | |
192 | SSL_CTX *new_ctx = arg; | |
193 | SSL_set_SSL_CTX(s, new_ctx); | |
194 | /* | |
195 | * Copy over all the SSL_CTX options - reasonable behavior | |
196 | * allows testing of cases where the options between two | |
197 | * contexts differ/conflict | |
198 | */ | |
199 | SSL_clear_options(s, 0xFFFFFFFFL); | |
200 | SSL_set_options(s, SSL_CTX_get_options(new_ctx)); | |
201 | ||
202 | ex_data->servername = SSL_TEST_SERVERNAME_SERVER2; | |
203 | return 1; | |
204 | } else if (len == strlen("server1") && | |
205 | strncmp(servername, "server1", len) == 0) { | |
206 | ex_data->servername = SSL_TEST_SERVERNAME_SERVER1; | |
207 | return 1; | |
208 | } else if (ignore) { | |
209 | ex_data->servername = SSL_TEST_SERVERNAME_SERVER1; | |
210 | return 1; | |
211 | } | |
212 | return 0; | |
213 | } | |
d2b23cd2 EK |
214 | /* |
215 | * (RFC 6066): | |
216 | * If the server understood the ClientHello extension but | |
217 | * does not recognize the server name, the server SHOULD take one of two | |
218 | * actions: either abort the handshake by sending a fatal-level | |
219 | * unrecognized_name(112) alert or continue the handshake. | |
220 | * | |
221 | * This behaviour is up to the application to configure; we test both | |
222 | * configurations to ensure the state machine propagates the result | |
223 | * correctly. | |
224 | */ | |
225 | static int servername_ignore_cb(SSL *s, int *ad, void *arg) | |
226 | { | |
227 | return select_server_ctx(s, arg, 1); | |
228 | } | |
229 | ||
230 | static int servername_reject_cb(SSL *s, int *ad, void *arg) | |
231 | { | |
232 | return select_server_ctx(s, arg, 0); | |
81fc33c9 EK |
233 | } |
234 | ||
a9c0d8be | 235 | static int client_hello_ignore_cb(SSL *s, int *al, void *arg) |
80de0c59 | 236 | { |
a9c0d8be | 237 | if (!client_hello_select_server_ctx(s, arg, 1)) { |
80de0c59 | 238 | *al = SSL_AD_UNRECOGNIZED_NAME; |
f1b97da1 | 239 | return SSL_CLIENT_HELLO_ERROR; |
80de0c59 | 240 | } |
f1b97da1 | 241 | return SSL_CLIENT_HELLO_SUCCESS; |
80de0c59 BK |
242 | } |
243 | ||
a9c0d8be | 244 | static int client_hello_reject_cb(SSL *s, int *al, void *arg) |
80de0c59 | 245 | { |
a9c0d8be | 246 | if (!client_hello_select_server_ctx(s, arg, 0)) { |
80de0c59 | 247 | *al = SSL_AD_UNRECOGNIZED_NAME; |
f1b97da1 | 248 | return SSL_CLIENT_HELLO_ERROR; |
80de0c59 | 249 | } |
f1b97da1 | 250 | return SSL_CLIENT_HELLO_SUCCESS; |
80de0c59 BK |
251 | } |
252 | ||
a9c0d8be | 253 | static int client_hello_nov12_cb(SSL *s, int *al, void *arg) |
80de0c59 BK |
254 | { |
255 | int ret; | |
256 | unsigned int v; | |
257 | const unsigned char *p; | |
258 | ||
a9c0d8be | 259 | v = SSL_client_hello_get0_legacy_version(s); |
80de0c59 BK |
260 | if (v > TLS1_2_VERSION || v < SSL3_VERSION) { |
261 | *al = SSL_AD_PROTOCOL_VERSION; | |
f1b97da1 | 262 | return SSL_CLIENT_HELLO_ERROR; |
80de0c59 | 263 | } |
a9c0d8be | 264 | (void)SSL_client_hello_get0_session_id(s, &p); |
80de0c59 | 265 | if (p == NULL || |
a9c0d8be DB |
266 | SSL_client_hello_get0_random(s, &p) == 0 || |
267 | SSL_client_hello_get0_ciphers(s, &p) == 0 || | |
268 | SSL_client_hello_get0_compression_methods(s, &p) == 0) { | |
80de0c59 | 269 | *al = SSL_AD_INTERNAL_ERROR; |
f1b97da1 | 270 | return SSL_CLIENT_HELLO_ERROR; |
80de0c59 | 271 | } |
a9c0d8be | 272 | ret = client_hello_select_server_ctx(s, arg, 0); |
80de0c59 | 273 | SSL_set_max_proto_version(s, TLS1_1_VERSION); |
f1b97da1 | 274 | if (!ret) { |
80de0c59 | 275 | *al = SSL_AD_UNRECOGNIZED_NAME; |
f1b97da1 DB |
276 | return SSL_CLIENT_HELLO_ERROR; |
277 | } | |
278 | return SSL_CLIENT_HELLO_SUCCESS; | |
80de0c59 BK |
279 | } |
280 | ||
767ccc3b MC |
281 | static unsigned char dummy_ocsp_resp_good_val = 0xff; |
282 | static unsigned char dummy_ocsp_resp_bad_val = 0xfe; | |
283 | ||
284 | static int server_ocsp_cb(SSL *s, void *arg) | |
285 | { | |
286 | unsigned char *resp; | |
287 | ||
288 | resp = OPENSSL_malloc(1); | |
289 | if (resp == NULL) | |
290 | return SSL_TLSEXT_ERR_ALERT_FATAL; | |
291 | /* | |
292 | * For the purposes of testing we just send back a dummy OCSP response | |
293 | */ | |
294 | *resp = *(unsigned char *)arg; | |
295 | if (!SSL_set_tlsext_status_ocsp_resp(s, resp, 1)) | |
296 | return SSL_TLSEXT_ERR_ALERT_FATAL; | |
297 | ||
298 | return SSL_TLSEXT_ERR_OK; | |
299 | } | |
300 | ||
301 | static int client_ocsp_cb(SSL *s, void *arg) | |
302 | { | |
303 | const unsigned char *resp; | |
304 | int len; | |
305 | ||
306 | len = SSL_get_tlsext_status_ocsp_resp(s, &resp); | |
307 | if (len != 1 || *resp != dummy_ocsp_resp_good_val) | |
308 | return 0; | |
309 | ||
310 | return 1; | |
311 | } | |
312 | ||
a8c82fa0 | 313 | static int verify_reject_cb(X509_STORE_CTX *ctx, void *arg) { |
a263f320 EK |
314 | X509_STORE_CTX_set_error(ctx, X509_V_ERR_APPLICATION_VERIFICATION); |
315 | return 0; | |
316 | } | |
317 | ||
a8c82fa0 | 318 | static int verify_accept_cb(X509_STORE_CTX *ctx, void *arg) { |
a263f320 EK |
319 | return 1; |
320 | } | |
321 | ||
a76ce286 P |
322 | static int broken_session_ticket_cb(SSL *s, unsigned char *key_name, |
323 | unsigned char *iv, EVP_CIPHER_CTX *ctx, | |
324 | EVP_MAC_CTX *hctx, int enc) | |
5c753de6 TS |
325 | { |
326 | return 0; | |
327 | } | |
328 | ||
ce2cdac2 | 329 | static int do_not_call_session_ticket_cb(SSL *s, unsigned char *key_name, |
a8c82fa0 RL |
330 | unsigned char *iv, |
331 | EVP_CIPHER_CTX *ctx, | |
a76ce286 | 332 | EVP_MAC_CTX *hctx, int enc) |
5c753de6 TS |
333 | { |
334 | HANDSHAKE_EX_DATA *ex_data = | |
335 | (HANDSHAKE_EX_DATA*)(SSL_get_ex_data(s, ex_data_idx)); | |
336 | ex_data->session_ticket_do_not_call = 1; | |
337 | return 0; | |
338 | } | |
339 | ||
ce2cdac2 | 340 | /* Parse the comma-separated list into TLS format. */ |
ff281ee8 | 341 | static int parse_protos(const char *protos, unsigned char **out, size_t *outlen) |
ce2cdac2 EK |
342 | { |
343 | size_t len, i, prefix; | |
344 | ||
345 | len = strlen(protos); | |
346 | ||
347 | /* Should never have reuse. */ | |
ff281ee8 P |
348 | if (!TEST_ptr_null(*out) |
349 | /* Test values are small, so we omit length limit checks. */ | |
350 | || !TEST_ptr(*out = OPENSSL_malloc(len + 1))) | |
351 | return 0; | |
ce2cdac2 EK |
352 | *outlen = len + 1; |
353 | ||
354 | /* | |
355 | * foo => '3', 'f', 'o', 'o' | |
356 | * foo,bar => '3', 'f', 'o', 'o', '3', 'b', 'a', 'r' | |
357 | */ | |
358 | memcpy(*out + 1, protos, len); | |
359 | ||
360 | prefix = 0; | |
361 | i = prefix + 1; | |
362 | while (i <= len) { | |
363 | if ((*out)[i] == ',') { | |
ff281ee8 P |
364 | if (!TEST_int_gt(i - 1, prefix)) |
365 | goto err; | |
3a63c0ed | 366 | (*out)[prefix] = (unsigned char)(i - 1 - prefix); |
ce2cdac2 EK |
367 | prefix = i; |
368 | } | |
369 | i++; | |
370 | } | |
ff281ee8 P |
371 | if (!TEST_int_gt(len, prefix)) |
372 | goto err; | |
3a63c0ed | 373 | (*out)[prefix] = (unsigned char)(len - prefix); |
ff281ee8 P |
374 | return 1; |
375 | ||
376 | err: | |
377 | OPENSSL_free(*out); | |
378 | *out = NULL; | |
379 | return 0; | |
ce2cdac2 EK |
380 | } |
381 | ||
7b7cea6d | 382 | #ifndef OPENSSL_NO_NEXTPROTONEG |
ce2cdac2 EK |
383 | /* |
384 | * The client SHOULD select the first protocol advertised by the server that it | |
385 | * also supports. In the event that the client doesn't support any of server's | |
386 | * protocols, or the server doesn't advertise any, it SHOULD select the first | |
387 | * protocol that it supports. | |
388 | */ | |
389 | static int client_npn_cb(SSL *s, unsigned char **out, unsigned char *outlen, | |
390 | const unsigned char *in, unsigned int inlen, | |
391 | void *arg) | |
392 | { | |
393 | CTX_DATA *ctx_data = (CTX_DATA*)(arg); | |
394 | int ret; | |
395 | ||
396 | ret = SSL_select_next_proto(out, outlen, in, inlen, | |
397 | ctx_data->npn_protocols, | |
398 | ctx_data->npn_protocols_len); | |
399 | /* Accept both OPENSSL_NPN_NEGOTIATED and OPENSSL_NPN_NO_OVERLAP. */ | |
ff281ee8 P |
400 | return TEST_true(ret == OPENSSL_NPN_NEGOTIATED || ret == OPENSSL_NPN_NO_OVERLAP) |
401 | ? SSL_TLSEXT_ERR_OK : SSL_TLSEXT_ERR_ALERT_FATAL; | |
ce2cdac2 EK |
402 | } |
403 | ||
404 | static int server_npn_cb(SSL *s, const unsigned char **data, | |
405 | unsigned int *len, void *arg) | |
406 | { | |
407 | CTX_DATA *ctx_data = (CTX_DATA*)(arg); | |
408 | *data = ctx_data->npn_protocols; | |
409 | *len = ctx_data->npn_protocols_len; | |
410 | return SSL_TLSEXT_ERR_OK; | |
411 | } | |
7b7cea6d | 412 | #endif |
ce2cdac2 EK |
413 | |
414 | /* | |
415 | * The server SHOULD select the most highly preferred protocol that it supports | |
416 | * and that is also advertised by the client. In the event that the server | |
417 | * supports no protocols that the client advertises, then the server SHALL | |
418 | * respond with a fatal "no_application_protocol" alert. | |
419 | */ | |
420 | static int server_alpn_cb(SSL *s, const unsigned char **out, | |
421 | unsigned char *outlen, const unsigned char *in, | |
422 | unsigned int inlen, void *arg) | |
423 | { | |
424 | CTX_DATA *ctx_data = (CTX_DATA*)(arg); | |
425 | int ret; | |
426 | ||
427 | /* SSL_select_next_proto isn't const-correct... */ | |
428 | unsigned char *tmp_out; | |
429 | ||
430 | /* | |
431 | * The result points either to |in| or to |ctx_data->alpn_protocols|. | |
432 | * The callback is allowed to point to |in| or to a long-lived buffer, | |
433 | * so we can return directly without storing a copy. | |
434 | */ | |
435 | ret = SSL_select_next_proto(&tmp_out, outlen, | |
436 | ctx_data->alpn_protocols, | |
437 | ctx_data->alpn_protocols_len, in, inlen); | |
438 | ||
439 | *out = tmp_out; | |
440 | /* Unlike NPN, we don't tolerate a mismatch. */ | |
441 | return ret == OPENSSL_NPN_NEGOTIATED ? SSL_TLSEXT_ERR_OK | |
8313a787 | 442 | : SSL_TLSEXT_ERR_ALERT_FATAL; |
ce2cdac2 | 443 | } |
ce2cdac2 | 444 | |
ea1ecd98 EK |
445 | #ifndef OPENSSL_NO_SRP |
446 | static char *client_srp_cb(SSL *s, void *arg) | |
447 | { | |
448 | CTX_DATA *ctx_data = (CTX_DATA*)(arg); | |
449 | return OPENSSL_strdup(ctx_data->srp_password); | |
450 | } | |
451 | ||
452 | static int server_srp_cb(SSL *s, int *ad, void *arg) | |
453 | { | |
454 | CTX_DATA *ctx_data = (CTX_DATA*)(arg); | |
455 | if (strcmp(ctx_data->srp_user, SSL_get_srp_username(s)) != 0) | |
456 | return SSL3_AL_FATAL; | |
457 | if (SSL_set_srp_server_param_pw(s, ctx_data->srp_user, | |
458 | ctx_data->srp_password, | |
459 | "2048" /* known group */) < 0) { | |
460 | *ad = SSL_AD_INTERNAL_ERROR; | |
461 | return SSL3_AL_FATAL; | |
462 | } | |
463 | return SSL_ERROR_NONE; | |
464 | } | |
465 | #endif /* !OPENSSL_NO_SRP */ | |
466 | ||
df0fed9a TS |
467 | static int generate_session_ticket_cb(SSL *s, void *arg) |
468 | { | |
469 | CTX_DATA *server_ctx_data = arg; | |
470 | SSL_SESSION *ss = SSL_get_session(s); | |
471 | char *app_data = server_ctx_data->session_ticket_app_data; | |
472 | ||
473 | if (ss == NULL || app_data == NULL) | |
474 | return 0; | |
475 | ||
476 | return SSL_SESSION_set1_ticket_appdata(ss, app_data, strlen(app_data)); | |
477 | } | |
478 | ||
61fb5923 MC |
479 | static int decrypt_session_ticket_cb(SSL *s, SSL_SESSION *ss, |
480 | const unsigned char *keyname, | |
481 | size_t keyname_len, | |
482 | SSL_TICKET_STATUS status, | |
483 | void *arg) | |
df0fed9a | 484 | { |
61fb5923 MC |
485 | switch (status) { |
486 | case SSL_TICKET_EMPTY: | |
487 | case SSL_TICKET_NO_DECRYPT: | |
488 | return SSL_TICKET_RETURN_IGNORE_RENEW; | |
489 | case SSL_TICKET_SUCCESS: | |
490 | return SSL_TICKET_RETURN_USE; | |
491 | case SSL_TICKET_SUCCESS_RENEW: | |
492 | return SSL_TICKET_RETURN_USE_RENEW; | |
493 | default: | |
494 | break; | |
495 | } | |
496 | return SSL_TICKET_RETURN_ABORT; | |
df0fed9a TS |
497 | } |
498 | ||
a263f320 EK |
499 | /* |
500 | * Configure callbacks and other properties that can't be set directly | |
501 | * in the server/client CONF. | |
502 | */ | |
ff281ee8 P |
503 | static int configure_handshake_ctx(SSL_CTX *server_ctx, SSL_CTX *server2_ctx, |
504 | SSL_CTX *client_ctx, | |
505 | const SSL_TEST_CTX *test, | |
506 | const SSL_TEST_EXTRA_CONF *extra, | |
507 | CTX_DATA *server_ctx_data, | |
508 | CTX_DATA *server2_ctx_data, | |
509 | CTX_DATA *client_ctx_data) | |
a263f320 | 510 | { |
590ed3d7 EK |
511 | unsigned char *ticket_keys; |
512 | size_t ticket_key_len; | |
513 | ||
ff281ee8 P |
514 | if (!TEST_int_eq(SSL_CTX_set_max_send_fragment(server_ctx, |
515 | test->max_fragment_size), 1)) | |
516 | goto err; | |
6dc99745 | 517 | if (server2_ctx != NULL) { |
ff281ee8 P |
518 | if (!TEST_int_eq(SSL_CTX_set_max_send_fragment(server2_ctx, |
519 | test->max_fragment_size), | |
520 | 1)) | |
521 | goto err; | |
6dc99745 | 522 | } |
ff281ee8 P |
523 | if (!TEST_int_eq(SSL_CTX_set_max_send_fragment(client_ctx, |
524 | test->max_fragment_size), 1)) | |
525 | goto err; | |
6dc99745 | 526 | |
9f48bbac | 527 | switch (extra->client.verify_callback) { |
a263f320 | 528 | case SSL_TEST_VERIFY_ACCEPT_ALL: |
ff281ee8 | 529 | SSL_CTX_set_cert_verify_callback(client_ctx, &verify_accept_cb, NULL); |
a263f320 EK |
530 | break; |
531 | case SSL_TEST_VERIFY_REJECT_ALL: | |
ff281ee8 | 532 | SSL_CTX_set_cert_verify_callback(client_ctx, &verify_reject_cb, NULL); |
a263f320 | 533 | break; |
f3b3d7f0 | 534 | case SSL_TEST_VERIFY_NONE: |
a263f320 EK |
535 | break; |
536 | } | |
81fc33c9 | 537 | |
cf72c757 F |
538 | switch (extra->client.max_fragment_len_mode) { |
539 | case TLSEXT_max_fragment_length_512: | |
540 | case TLSEXT_max_fragment_length_1024: | |
541 | case TLSEXT_max_fragment_length_2048: | |
542 | case TLSEXT_max_fragment_length_4096: | |
543 | case TLSEXT_max_fragment_length_DISABLED: | |
88e09fe7 BK |
544 | SSL_CTX_set_tlsext_max_fragment_length( |
545 | client_ctx, extra->client.max_fragment_len_mode); | |
cf72c757 F |
546 | break; |
547 | } | |
548 | ||
80de0c59 BK |
549 | /* |
550 | * Link the two contexts for SNI purposes. | |
a9c0d8be DB |
551 | * Also do ClientHello callbacks here, as setting both ClientHello and SNI |
552 | * is bad. | |
80de0c59 | 553 | */ |
9f48bbac | 554 | switch (extra->server.servername_callback) { |
d2b23cd2 EK |
555 | case SSL_TEST_SERVERNAME_IGNORE_MISMATCH: |
556 | SSL_CTX_set_tlsext_servername_callback(server_ctx, servername_ignore_cb); | |
557 | SSL_CTX_set_tlsext_servername_arg(server_ctx, server2_ctx); | |
558 | break; | |
559 | case SSL_TEST_SERVERNAME_REJECT_MISMATCH: | |
560 | SSL_CTX_set_tlsext_servername_callback(server_ctx, servername_reject_cb); | |
561 | SSL_CTX_set_tlsext_servername_arg(server_ctx, server2_ctx); | |
562 | break; | |
f3b3d7f0 | 563 | case SSL_TEST_SERVERNAME_CB_NONE: |
d2b23cd2 | 564 | break; |
a9c0d8be DB |
565 | case SSL_TEST_SERVERNAME_CLIENT_HELLO_IGNORE_MISMATCH: |
566 | SSL_CTX_set_client_hello_cb(server_ctx, client_hello_ignore_cb, server2_ctx); | |
80de0c59 | 567 | break; |
a9c0d8be DB |
568 | case SSL_TEST_SERVERNAME_CLIENT_HELLO_REJECT_MISMATCH: |
569 | SSL_CTX_set_client_hello_cb(server_ctx, client_hello_reject_cb, server2_ctx); | |
80de0c59 | 570 | break; |
a9c0d8be DB |
571 | case SSL_TEST_SERVERNAME_CLIENT_HELLO_NO_V12: |
572 | SSL_CTX_set_client_hello_cb(server_ctx, client_hello_nov12_cb, server2_ctx); | |
d2b23cd2 EK |
573 | } |
574 | ||
767ccc3b MC |
575 | if (extra->server.cert_status != SSL_TEST_CERT_STATUS_NONE) { |
576 | SSL_CTX_set_tlsext_status_type(client_ctx, TLSEXT_STATUSTYPE_ocsp); | |
577 | SSL_CTX_set_tlsext_status_cb(client_ctx, client_ocsp_cb); | |
578 | SSL_CTX_set_tlsext_status_arg(client_ctx, NULL); | |
579 | SSL_CTX_set_tlsext_status_cb(server_ctx, server_ocsp_cb); | |
580 | SSL_CTX_set_tlsext_status_arg(server_ctx, | |
581 | ((extra->server.cert_status == SSL_TEST_CERT_STATUS_GOOD_RESPONSE) | |
582 | ? &dummy_ocsp_resp_good_val : &dummy_ocsp_resp_bad_val)); | |
583 | } | |
584 | ||
81fc33c9 EK |
585 | /* |
586 | * The initial_ctx/session_ctx always handles the encrypt/decrypt of the | |
587 | * session ticket. This ticket_key callback is assigned to the second | |
588 | * session (assigned via SNI), and should never be invoked | |
589 | */ | |
d2b23cd2 | 590 | if (server2_ctx != NULL) |
a76ce286 P |
591 | SSL_CTX_set_tlsext_ticket_key_evp_cb(server2_ctx, |
592 | do_not_call_session_ticket_cb); | |
81fc33c9 | 593 | |
9f48bbac | 594 | if (extra->server.broken_session_ticket) { |
a76ce286 P |
595 | SSL_CTX_set_tlsext_ticket_key_evp_cb(server_ctx, |
596 | broken_session_ticket_cb); | |
5c753de6 | 597 | } |
620c6ad3 | 598 | #ifndef OPENSSL_NO_NEXTPROTONEG |
9f48bbac | 599 | if (extra->server.npn_protocols != NULL) { |
ff281ee8 P |
600 | if (!TEST_true(parse_protos(extra->server.npn_protocols, |
601 | &server_ctx_data->npn_protocols, | |
602 | &server_ctx_data->npn_protocols_len))) | |
603 | goto err; | |
aff8c126 RS |
604 | SSL_CTX_set_npn_advertised_cb(server_ctx, server_npn_cb, |
605 | server_ctx_data); | |
ce2cdac2 | 606 | } |
9f48bbac | 607 | if (extra->server2.npn_protocols != NULL) { |
ff281ee8 P |
608 | if (!TEST_true(parse_protos(extra->server2.npn_protocols, |
609 | &server2_ctx_data->npn_protocols, | |
610 | &server2_ctx_data->npn_protocols_len)) | |
611 | || !TEST_ptr(server2_ctx)) | |
612 | goto err; | |
aff8c126 RS |
613 | SSL_CTX_set_npn_advertised_cb(server2_ctx, server_npn_cb, |
614 | server2_ctx_data); | |
ce2cdac2 | 615 | } |
9f48bbac | 616 | if (extra->client.npn_protocols != NULL) { |
ff281ee8 P |
617 | if (!TEST_true(parse_protos(extra->client.npn_protocols, |
618 | &client_ctx_data->npn_protocols, | |
619 | &client_ctx_data->npn_protocols_len))) | |
620 | goto err; | |
ce2cdac2 EK |
621 | SSL_CTX_set_next_proto_select_cb(client_ctx, client_npn_cb, |
622 | client_ctx_data); | |
623 | } | |
7b7cea6d | 624 | #endif |
9f48bbac | 625 | if (extra->server.alpn_protocols != NULL) { |
ff281ee8 P |
626 | if (!TEST_true(parse_protos(extra->server.alpn_protocols, |
627 | &server_ctx_data->alpn_protocols, | |
628 | &server_ctx_data->alpn_protocols_len))) | |
629 | goto err; | |
ce2cdac2 EK |
630 | SSL_CTX_set_alpn_select_cb(server_ctx, server_alpn_cb, server_ctx_data); |
631 | } | |
9f48bbac | 632 | if (extra->server2.alpn_protocols != NULL) { |
ff281ee8 P |
633 | if (!TEST_ptr(server2_ctx) |
634 | || !TEST_true(parse_protos(extra->server2.alpn_protocols, | |
635 | &server2_ctx_data->alpn_protocols, | |
636 | &server2_ctx_data->alpn_protocols_len | |
637 | ))) | |
638 | goto err; | |
639 | SSL_CTX_set_alpn_select_cb(server2_ctx, server_alpn_cb, | |
640 | server2_ctx_data); | |
ce2cdac2 | 641 | } |
9f48bbac | 642 | if (extra->client.alpn_protocols != NULL) { |
ce2cdac2 EK |
643 | unsigned char *alpn_protos = NULL; |
644 | size_t alpn_protos_len; | |
ff281ee8 P |
645 | if (!TEST_true(parse_protos(extra->client.alpn_protocols, |
646 | &alpn_protos, &alpn_protos_len)) | |
647 | /* Reversed return value convention... */ | |
648 | || !TEST_int_eq(SSL_CTX_set_alpn_protos(client_ctx, alpn_protos, | |
649 | alpn_protos_len), 0)) | |
650 | goto err; | |
ce2cdac2 EK |
651 | OPENSSL_free(alpn_protos); |
652 | } | |
7b7cea6d | 653 | |
df0fed9a TS |
654 | if (extra->server.session_ticket_app_data != NULL) { |
655 | server_ctx_data->session_ticket_app_data = | |
656 | OPENSSL_strdup(extra->server.session_ticket_app_data); | |
657 | SSL_CTX_set_session_ticket_cb(server_ctx, generate_session_ticket_cb, | |
658 | decrypt_session_ticket_cb, server_ctx_data); | |
659 | } | |
660 | if (extra->server2.session_ticket_app_data != NULL) { | |
661 | if (!TEST_ptr(server2_ctx)) | |
662 | goto err; | |
663 | server2_ctx_data->session_ticket_app_data = | |
664 | OPENSSL_strdup(extra->server2.session_ticket_app_data); | |
665 | SSL_CTX_set_session_ticket_cb(server2_ctx, NULL, | |
666 | decrypt_session_ticket_cb, server2_ctx_data); | |
667 | } | |
668 | ||
590ed3d7 EK |
669 | /* |
670 | * Use fixed session ticket keys so that we can decrypt a ticket created with | |
671 | * one CTX in another CTX. Don't address server2 for the moment. | |
672 | */ | |
673 | ticket_key_len = SSL_CTX_set_tlsext_ticket_keys(server_ctx, NULL, 0); | |
ff281ee8 P |
674 | if (!TEST_ptr(ticket_keys = OPENSSL_zalloc(ticket_key_len)) |
675 | || !TEST_int_eq(SSL_CTX_set_tlsext_ticket_keys(server_ctx, | |
676 | ticket_keys, | |
677 | ticket_key_len), 1)) { | |
678 | OPENSSL_free(ticket_keys); | |
679 | goto err; | |
680 | } | |
590ed3d7 | 681 | OPENSSL_free(ticket_keys); |
da085d27 | 682 | |
be82f7b3 EK |
683 | /* The default log list includes EC keys, so CT can't work without EC. */ |
684 | #if !defined(OPENSSL_NO_CT) && !defined(OPENSSL_NO_EC) | |
ff281ee8 P |
685 | if (!TEST_true(SSL_CTX_set_default_ctlog_list_file(client_ctx))) |
686 | goto err; | |
da085d27 EK |
687 | switch (extra->client.ct_validation) { |
688 | case SSL_TEST_CT_VALIDATION_PERMISSIVE: | |
ff281ee8 P |
689 | if (!TEST_true(SSL_CTX_enable_ct(client_ctx, |
690 | SSL_CT_VALIDATION_PERMISSIVE))) | |
691 | goto err; | |
da085d27 EK |
692 | break; |
693 | case SSL_TEST_CT_VALIDATION_STRICT: | |
ff281ee8 P |
694 | if (!TEST_true(SSL_CTX_enable_ct(client_ctx, SSL_CT_VALIDATION_STRICT))) |
695 | goto err; | |
da085d27 EK |
696 | break; |
697 | case SSL_TEST_CT_VALIDATION_NONE: | |
698 | break; | |
699 | } | |
700 | #endif | |
ea1ecd98 EK |
701 | #ifndef OPENSSL_NO_SRP |
702 | if (extra->server.srp_user != NULL) { | |
703 | SSL_CTX_set_srp_username_callback(server_ctx, server_srp_cb); | |
704 | server_ctx_data->srp_user = OPENSSL_strdup(extra->server.srp_user); | |
705 | server_ctx_data->srp_password = OPENSSL_strdup(extra->server.srp_password); | |
706 | SSL_CTX_set_srp_cb_arg(server_ctx, server_ctx_data); | |
707 | } | |
708 | if (extra->server2.srp_user != NULL) { | |
ff281ee8 P |
709 | if (!TEST_ptr(server2_ctx)) |
710 | goto err; | |
ea1ecd98 EK |
711 | SSL_CTX_set_srp_username_callback(server2_ctx, server_srp_cb); |
712 | server2_ctx_data->srp_user = OPENSSL_strdup(extra->server2.srp_user); | |
713 | server2_ctx_data->srp_password = OPENSSL_strdup(extra->server2.srp_password); | |
714 | SSL_CTX_set_srp_cb_arg(server2_ctx, server2_ctx_data); | |
715 | } | |
716 | if (extra->client.srp_user != NULL) { | |
ff281ee8 P |
717 | if (!TEST_true(SSL_CTX_set_srp_username(client_ctx, |
718 | extra->client.srp_user))) | |
719 | goto err; | |
ea1ecd98 EK |
720 | SSL_CTX_set_srp_client_pwd_callback(client_ctx, client_srp_cb); |
721 | client_ctx_data->srp_password = OPENSSL_strdup(extra->client.srp_password); | |
722 | SSL_CTX_set_srp_cb_arg(client_ctx, client_ctx_data); | |
723 | } | |
724 | #endif /* !OPENSSL_NO_SRP */ | |
ff281ee8 P |
725 | return 1; |
726 | err: | |
727 | return 0; | |
5c753de6 TS |
728 | } |
729 | ||
ce2cdac2 | 730 | /* Configure per-SSL callbacks and other properties. */ |
5c753de6 | 731 | static void configure_handshake_ssl(SSL *server, SSL *client, |
9f48bbac | 732 | const SSL_TEST_EXTRA_CONF *extra) |
5c753de6 | 733 | { |
9f48bbac | 734 | if (extra->client.servername != SSL_TEST_SERVERNAME_NONE) |
81fc33c9 | 735 | SSL_set_tlsext_host_name(client, |
9f48bbac | 736 | ssl_servername_name(extra->client.servername)); |
32097b33 MC |
737 | if (extra->client.enable_pha) |
738 | SSL_set_post_handshake_auth(client, 1); | |
a263f320 EK |
739 | } |
740 | ||
e0421bd8 | 741 | /* The status for each connection phase. */ |
453dfd8d EK |
742 | typedef enum { |
743 | PEER_SUCCESS, | |
744 | PEER_RETRY, | |
83964ca0 | 745 | PEER_ERROR, |
ff281ee8 P |
746 | PEER_WAITING, |
747 | PEER_TEST_FAILURE | |
453dfd8d EK |
748 | } peer_status_t; |
749 | ||
e0421bd8 EK |
750 | /* An SSL object and associated read-write buffers. */ |
751 | typedef struct peer_st { | |
752 | SSL *ssl; | |
753 | /* Buffer lengths are int to match the SSL read/write API. */ | |
754 | unsigned char *write_buf; | |
755 | int write_buf_len; | |
756 | unsigned char *read_buf; | |
757 | int read_buf_len; | |
758 | int bytes_to_write; | |
759 | int bytes_to_read; | |
760 | peer_status_t status; | |
761 | } PEER; | |
762 | ||
ff281ee8 | 763 | static int create_peer(PEER *peer, SSL_CTX *ctx) |
e0421bd8 EK |
764 | { |
765 | static const int peer_buffer_size = 64 * 1024; | |
ff281ee8 P |
766 | SSL *ssl = NULL; |
767 | unsigned char *read_buf = NULL, *write_buf = NULL; | |
768 | ||
769 | if (!TEST_ptr(ssl = SSL_new(ctx)) | |
770 | || !TEST_ptr(write_buf = OPENSSL_zalloc(peer_buffer_size)) | |
771 | || !TEST_ptr(read_buf = OPENSSL_zalloc(peer_buffer_size))) | |
772 | goto err; | |
e0421bd8 | 773 | |
ff281ee8 P |
774 | peer->ssl = ssl; |
775 | peer->write_buf = write_buf; | |
776 | peer->read_buf = read_buf; | |
e0421bd8 | 777 | peer->write_buf_len = peer->read_buf_len = peer_buffer_size; |
ff281ee8 P |
778 | return 1; |
779 | err: | |
780 | SSL_free(ssl); | |
781 | OPENSSL_free(write_buf); | |
782 | OPENSSL_free(read_buf); | |
783 | return 0; | |
e0421bd8 EK |
784 | } |
785 | ||
786 | static void peer_free_data(PEER *peer) | |
787 | { | |
788 | SSL_free(peer->ssl); | |
789 | OPENSSL_free(peer->write_buf); | |
790 | OPENSSL_free(peer->read_buf); | |
791 | } | |
792 | ||
793 | /* | |
794 | * Note that we could do the handshake transparently under an SSL_write, | |
795 | * but separating the steps is more helpful for debugging test failures. | |
796 | */ | |
797 | static void do_handshake_step(PEER *peer) | |
798 | { | |
ff281ee8 P |
799 | if (!TEST_int_eq(peer->status, PEER_RETRY)) { |
800 | peer->status = PEER_TEST_FAILURE; | |
e0421bd8 | 801 | } else { |
ff281ee8 P |
802 | int ret = SSL_do_handshake(peer->ssl); |
803 | ||
804 | if (ret == 1) { | |
805 | peer->status = PEER_SUCCESS; | |
806 | } else if (ret == 0) { | |
e0421bd8 | 807 | peer->status = PEER_ERROR; |
ff281ee8 P |
808 | } else { |
809 | int error = SSL_get_error(peer->ssl, ret); | |
810 | /* Memory bios should never block with SSL_ERROR_WANT_WRITE. */ | |
811 | if (error != SSL_ERROR_WANT_READ) | |
812 | peer->status = PEER_ERROR; | |
813 | } | |
e0421bd8 EK |
814 | } |
815 | } | |
816 | ||
817 | /*- | |
818 | * Send/receive some application data. The read-write sequence is | |
819 | * Peer A: (R) W - first read will yield no data | |
820 | * Peer B: R W | |
821 | * ... | |
822 | * Peer A: R W | |
823 | * Peer B: R W | |
824 | * Peer A: R | |
825 | */ | |
826 | static void do_app_data_step(PEER *peer) | |
827 | { | |
828 | int ret = 1, write_bytes; | |
829 | ||
ff281ee8 P |
830 | if (!TEST_int_eq(peer->status, PEER_RETRY)) { |
831 | peer->status = PEER_TEST_FAILURE; | |
832 | return; | |
833 | } | |
e0421bd8 EK |
834 | |
835 | /* We read everything available... */ | |
836 | while (ret > 0 && peer->bytes_to_read) { | |
837 | ret = SSL_read(peer->ssl, peer->read_buf, peer->read_buf_len); | |
838 | if (ret > 0) { | |
ff281ee8 P |
839 | if (!TEST_int_le(ret, peer->bytes_to_read)) { |
840 | peer->status = PEER_TEST_FAILURE; | |
841 | return; | |
842 | } | |
e0421bd8 EK |
843 | peer->bytes_to_read -= ret; |
844 | } else if (ret == 0) { | |
845 | peer->status = PEER_ERROR; | |
846 | return; | |
847 | } else { | |
848 | int error = SSL_get_error(peer->ssl, ret); | |
849 | if (error != SSL_ERROR_WANT_READ) { | |
850 | peer->status = PEER_ERROR; | |
851 | return; | |
852 | } /* Else continue with write. */ | |
853 | } | |
854 | } | |
855 | ||
856 | /* ... but we only write one write-buffer-full of data. */ | |
857 | write_bytes = peer->bytes_to_write < peer->write_buf_len ? peer->bytes_to_write : | |
858 | peer->write_buf_len; | |
859 | if (write_bytes) { | |
860 | ret = SSL_write(peer->ssl, peer->write_buf, write_bytes); | |
861 | if (ret > 0) { | |
862 | /* SSL_write will only succeed with a complete write. */ | |
ff281ee8 P |
863 | if (!TEST_int_eq(ret, write_bytes)) { |
864 | peer->status = PEER_TEST_FAILURE; | |
865 | return; | |
866 | } | |
e0421bd8 EK |
867 | peer->bytes_to_write -= ret; |
868 | } else { | |
869 | /* | |
870 | * We should perhaps check for SSL_ERROR_WANT_READ/WRITE here | |
871 | * but this doesn't yet occur with current app data sizes. | |
872 | */ | |
873 | peer->status = PEER_ERROR; | |
874 | return; | |
875 | } | |
876 | } | |
877 | ||
878 | /* | |
879 | * We could simply finish when there was nothing to read, and we have | |
880 | * nothing left to write. But keeping track of the expected number of bytes | |
881 | * to read gives us somewhat better guarantees that all data sent is in fact | |
882 | * received. | |
883 | */ | |
12a765a5 | 884 | if (peer->bytes_to_write == 0 && peer->bytes_to_read == 0) { |
e0421bd8 EK |
885 | peer->status = PEER_SUCCESS; |
886 | } | |
887 | } | |
888 | ||
fe7dd553 | 889 | static void do_reneg_setup_step(const SSL_TEST_CTX *test_ctx, PEER *peer) |
e42c4544 MC |
890 | { |
891 | int ret; | |
892 | char buf; | |
893 | ||
84344efa TS |
894 | if (peer->status == PEER_SUCCESS) { |
895 | /* | |
896 | * We are a client that succeeded this step previously, but the server | |
897 | * wanted to retry. Probably there is a no_renegotiation warning alert | |
898 | * waiting for us. Attempt to continue the handshake. | |
899 | */ | |
900 | peer->status = PEER_RETRY; | |
901 | do_handshake_step(peer); | |
902 | return; | |
903 | } | |
c2500f65 | 904 | |
ff281ee8 P |
905 | if (!TEST_int_eq(peer->status, PEER_RETRY) |
906 | || !TEST_true(test_ctx->handshake_mode | |
907 | == SSL_TEST_HANDSHAKE_RENEG_SERVER | |
908 | || test_ctx->handshake_mode | |
909 | == SSL_TEST_HANDSHAKE_RENEG_CLIENT | |
910 | || test_ctx->handshake_mode | |
911 | == SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER | |
912 | || test_ctx->handshake_mode | |
9d75dce3 TS |
913 | == SSL_TEST_HANDSHAKE_KEY_UPDATE_CLIENT |
914 | || test_ctx->handshake_mode | |
915 | == SSL_TEST_HANDSHAKE_POST_HANDSHAKE_AUTH)) { | |
ff281ee8 P |
916 | peer->status = PEER_TEST_FAILURE; |
917 | return; | |
918 | } | |
9b92f161 MC |
919 | |
920 | /* Reset the count of the amount of app data we need to read/write */ | |
921 | peer->bytes_to_write = peer->bytes_to_read = test_ctx->app_data_size; | |
fe7dd553 MC |
922 | |
923 | /* Check if we are the peer that is going to initiate */ | |
924 | if ((test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_RENEG_SERVER | |
925 | && SSL_is_server(peer->ssl)) | |
926 | || (test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_RENEG_CLIENT | |
927 | && !SSL_is_server(peer->ssl))) { | |
e42c4544 | 928 | /* |
fe7dd553 MC |
929 | * If we already asked for a renegotiation then fall through to the |
930 | * SSL_read() below. | |
e42c4544 | 931 | */ |
fe7dd553 MC |
932 | if (!SSL_renegotiate_pending(peer->ssl)) { |
933 | /* | |
934 | * If we are the client we will always attempt to resume the | |
44e69951 | 935 | * session. The server may or may not resume dependent on the |
fe7dd553 MC |
936 | * setting of SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION |
937 | */ | |
cc22cd54 | 938 | if (SSL_is_server(peer->ssl)) { |
fe7dd553 | 939 | ret = SSL_renegotiate(peer->ssl); |
cc22cd54 | 940 | } else { |
cd4afec6 TM |
941 | int full_reneg = 0; |
942 | ||
943 | if (test_ctx->extra.client.no_extms_on_reneg) { | |
944 | SSL_set_options(peer->ssl, SSL_OP_NO_EXTENDED_MASTER_SECRET); | |
945 | full_reneg = 1; | |
946 | } | |
cc22cd54 MC |
947 | if (test_ctx->extra.client.reneg_ciphers != NULL) { |
948 | if (!SSL_set_cipher_list(peer->ssl, | |
949 | test_ctx->extra.client.reneg_ciphers)) { | |
950 | peer->status = PEER_ERROR; | |
951 | return; | |
952 | } | |
cd4afec6 TM |
953 | full_reneg = 1; |
954 | } | |
955 | if (full_reneg) | |
cc22cd54 | 956 | ret = SSL_renegotiate(peer->ssl); |
cd4afec6 | 957 | else |
cc22cd54 | 958 | ret = SSL_renegotiate_abbreviated(peer->ssl); |
cc22cd54 | 959 | } |
fe7dd553 MC |
960 | if (!ret) { |
961 | peer->status = PEER_ERROR; | |
962 | return; | |
963 | } | |
964 | do_handshake_step(peer); | |
965 | /* | |
966 | * If status is PEER_RETRY it means we're waiting on the peer to | |
967 | * continue the handshake. As far as setting up the renegotiation is | |
968 | * concerned that is a success. The next step will continue the | |
969 | * handshake to its conclusion. | |
970 | * | |
971 | * If status is PEER_SUCCESS then we are the server and we have | |
972 | * successfully sent the HelloRequest. We need to continue to wait | |
973 | * until the handshake arrives from the client. | |
974 | */ | |
975 | if (peer->status == PEER_RETRY) | |
976 | peer->status = PEER_SUCCESS; | |
977 | else if (peer->status == PEER_SUCCESS) | |
978 | peer->status = PEER_RETRY; | |
979 | return; | |
980 | } | |
9b92f161 MC |
981 | } else if (test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER |
982 | || test_ctx->handshake_mode | |
983 | == SSL_TEST_HANDSHAKE_KEY_UPDATE_CLIENT) { | |
984 | if (SSL_is_server(peer->ssl) | |
985 | != (test_ctx->handshake_mode | |
986 | == SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER)) { | |
987 | peer->status = PEER_SUCCESS; | |
988 | return; | |
989 | } | |
990 | ||
991 | ret = SSL_key_update(peer->ssl, test_ctx->key_update_type); | |
992 | if (!ret) { | |
993 | peer->status = PEER_ERROR; | |
994 | return; | |
995 | } | |
996 | do_handshake_step(peer); | |
997 | /* | |
998 | * This is a one step handshake. We shouldn't get anything other than | |
999 | * PEER_SUCCESS | |
1000 | */ | |
1001 | if (peer->status != PEER_SUCCESS) | |
1002 | peer->status = PEER_ERROR; | |
1003 | return; | |
9d75dce3 TS |
1004 | } else if (test_ctx->handshake_mode == SSL_TEST_HANDSHAKE_POST_HANDSHAKE_AUTH) { |
1005 | if (SSL_is_server(peer->ssl)) { | |
1006 | /* Make the server believe it's received the extension */ | |
1007 | if (test_ctx->extra.server.force_pha) | |
1008 | peer->ssl->post_handshake_auth = SSL_PHA_EXT_RECEIVED; | |
1009 | ret = SSL_verify_client_post_handshake(peer->ssl); | |
1010 | if (!ret) { | |
1011 | peer->status = PEER_ERROR; | |
1012 | return; | |
1013 | } | |
1014 | } | |
1015 | do_handshake_step(peer); | |
1016 | /* | |
1017 | * This is a one step handshake. We shouldn't get anything other than | |
1018 | * PEER_SUCCESS | |
1019 | */ | |
1020 | if (peer->status != PEER_SUCCESS) | |
1021 | peer->status = PEER_ERROR; | |
1022 | return; | |
e42c4544 MC |
1023 | } |
1024 | ||
1025 | /* | |
1026 | * The SSL object is still expecting app data, even though it's going to | |
1027 | * get a handshake message. We try to read, and it should fail - after which | |
1028 | * we should be in a handshake | |
1029 | */ | |
1030 | ret = SSL_read(peer->ssl, &buf, sizeof(buf)); | |
1031 | if (ret >= 0) { | |
fe7dd553 MC |
1032 | /* |
1033 | * We're not actually expecting data - we're expecting a reneg to | |
1034 | * start | |
1035 | */ | |
e42c4544 MC |
1036 | peer->status = PEER_ERROR; |
1037 | return; | |
1038 | } else { | |
1039 | int error = SSL_get_error(peer->ssl, ret); | |
fe7dd553 | 1040 | if (error != SSL_ERROR_WANT_READ) { |
e42c4544 MC |
1041 | peer->status = PEER_ERROR; |
1042 | return; | |
1043 | } | |
9b92f161 | 1044 | /* If we're not in init yet then we're not done with setup yet */ |
fe7dd553 MC |
1045 | if (!SSL_in_init(peer->ssl)) |
1046 | return; | |
e42c4544 MC |
1047 | } |
1048 | ||
1049 | peer->status = PEER_SUCCESS; | |
1050 | } | |
1051 | ||
1052 | ||
590ed3d7 EK |
1053 | /* |
1054 | * RFC 5246 says: | |
1055 | * | |
1056 | * Note that as of TLS 1.1, | |
1057 | * failure to properly close a connection no longer requires that a | |
1058 | * session not be resumed. This is a change from TLS 1.0 to conform | |
1059 | * with widespread implementation practice. | |
1060 | * | |
1061 | * However, | |
1062 | * (a) OpenSSL requires that a connection be shutdown for all protocol versions. | |
1063 | * (b) We test lower versions, too. | |
1064 | * So we just implement shutdown. We do a full bidirectional shutdown so that we | |
1065 | * can compare sent and received close_notify alerts and get some test coverage | |
1066 | * for SSL_shutdown as a bonus. | |
1067 | */ | |
e0421bd8 | 1068 | static void do_shutdown_step(PEER *peer) |
453dfd8d EK |
1069 | { |
1070 | int ret; | |
1071 | ||
ff281ee8 P |
1072 | if (!TEST_int_eq(peer->status, PEER_RETRY)) { |
1073 | peer->status = PEER_TEST_FAILURE; | |
1074 | return; | |
1075 | } | |
e0421bd8 | 1076 | ret = SSL_shutdown(peer->ssl); |
453dfd8d EK |
1077 | |
1078 | if (ret == 1) { | |
e0421bd8 EK |
1079 | peer->status = PEER_SUCCESS; |
1080 | } else if (ret < 0) { /* On 0, we retry. */ | |
1081 | int error = SSL_get_error(peer->ssl, ret); | |
83964ca0 MC |
1082 | |
1083 | if (error != SSL_ERROR_WANT_READ && error != SSL_ERROR_WANT_WRITE) | |
e0421bd8 EK |
1084 | peer->status = PEER_ERROR; |
1085 | } | |
1086 | } | |
1087 | ||
1088 | typedef enum { | |
1089 | HANDSHAKE, | |
e42c4544 MC |
1090 | RENEG_APPLICATION_DATA, |
1091 | RENEG_SETUP, | |
1092 | RENEG_HANDSHAKE, | |
e0421bd8 EK |
1093 | APPLICATION_DATA, |
1094 | SHUTDOWN, | |
1095 | CONNECTION_DONE | |
1096 | } connect_phase_t; | |
1097 | ||
9d75dce3 TS |
1098 | |
1099 | static int renegotiate_op(const SSL_TEST_CTX *test_ctx) | |
1100 | { | |
1101 | switch (test_ctx->handshake_mode) { | |
1102 | case SSL_TEST_HANDSHAKE_RENEG_SERVER: | |
1103 | case SSL_TEST_HANDSHAKE_RENEG_CLIENT: | |
1104 | return 1; | |
1105 | default: | |
1106 | return 0; | |
1107 | } | |
1108 | } | |
1109 | static int post_handshake_op(const SSL_TEST_CTX *test_ctx) | |
1110 | { | |
1111 | switch (test_ctx->handshake_mode) { | |
1112 | case SSL_TEST_HANDSHAKE_KEY_UPDATE_CLIENT: | |
1113 | case SSL_TEST_HANDSHAKE_KEY_UPDATE_SERVER: | |
1114 | case SSL_TEST_HANDSHAKE_POST_HANDSHAKE_AUTH: | |
1115 | return 1; | |
1116 | default: | |
1117 | return 0; | |
1118 | } | |
1119 | } | |
1120 | ||
e42c4544 MC |
1121 | static connect_phase_t next_phase(const SSL_TEST_CTX *test_ctx, |
1122 | connect_phase_t phase) | |
e0421bd8 EK |
1123 | { |
1124 | switch (phase) { | |
1125 | case HANDSHAKE: | |
9d75dce3 | 1126 | if (renegotiate_op(test_ctx) || post_handshake_op(test_ctx)) |
e42c4544 MC |
1127 | return RENEG_APPLICATION_DATA; |
1128 | return APPLICATION_DATA; | |
1129 | case RENEG_APPLICATION_DATA: | |
1130 | return RENEG_SETUP; | |
1131 | case RENEG_SETUP: | |
9d75dce3 | 1132 | if (post_handshake_op(test_ctx)) |
9b92f161 | 1133 | return APPLICATION_DATA; |
e42c4544 MC |
1134 | return RENEG_HANDSHAKE; |
1135 | case RENEG_HANDSHAKE: | |
e0421bd8 EK |
1136 | return APPLICATION_DATA; |
1137 | case APPLICATION_DATA: | |
1138 | return SHUTDOWN; | |
1139 | case SHUTDOWN: | |
1140 | return CONNECTION_DONE; | |
f3b3d7f0 | 1141 | case CONNECTION_DONE: |
ff281ee8 | 1142 | TEST_error("Trying to progress after connection done"); |
f3b3d7f0 | 1143 | break; |
e0421bd8 | 1144 | } |
f3b3d7f0 | 1145 | return -1; |
e0421bd8 EK |
1146 | } |
1147 | ||
fe7dd553 MC |
1148 | static void do_connect_step(const SSL_TEST_CTX *test_ctx, PEER *peer, |
1149 | connect_phase_t phase) | |
e0421bd8 EK |
1150 | { |
1151 | switch (phase) { | |
1152 | case HANDSHAKE: | |
1153 | do_handshake_step(peer); | |
1154 | break; | |
e42c4544 MC |
1155 | case RENEG_APPLICATION_DATA: |
1156 | do_app_data_step(peer); | |
1157 | break; | |
1158 | case RENEG_SETUP: | |
fe7dd553 | 1159 | do_reneg_setup_step(test_ctx, peer); |
e42c4544 MC |
1160 | break; |
1161 | case RENEG_HANDSHAKE: | |
1162 | do_handshake_step(peer); | |
1163 | break; | |
e0421bd8 EK |
1164 | case APPLICATION_DATA: |
1165 | do_app_data_step(peer); | |
1166 | break; | |
1167 | case SHUTDOWN: | |
1168 | do_shutdown_step(peer); | |
1169 | break; | |
f3b3d7f0 | 1170 | case CONNECTION_DONE: |
ff281ee8 | 1171 | TEST_error("Action after connection done"); |
f3b3d7f0 | 1172 | break; |
453dfd8d EK |
1173 | } |
1174 | } | |
1175 | ||
1176 | typedef enum { | |
1177 | /* Both parties succeeded. */ | |
1178 | HANDSHAKE_SUCCESS, | |
1179 | /* Client errored. */ | |
1180 | CLIENT_ERROR, | |
1181 | /* Server errored. */ | |
1182 | SERVER_ERROR, | |
1183 | /* Peers are in inconsistent state. */ | |
1184 | INTERNAL_ERROR, | |
1185 | /* One or both peers not done. */ | |
1186 | HANDSHAKE_RETRY | |
1187 | } handshake_status_t; | |
1188 | ||
1189 | /* | |
1190 | * Determine the handshake outcome. | |
1191 | * last_status: the status of the peer to have acted last. | |
1192 | * previous_status: the status of the peer that didn't act last. | |
1193 | * client_spoke_last: 1 if the client went last. | |
1194 | */ | |
1195 | static handshake_status_t handshake_status(peer_status_t last_status, | |
1196 | peer_status_t previous_status, | |
1197 | int client_spoke_last) | |
1198 | { | |
1199 | switch (last_status) { | |
ff281ee8 P |
1200 | case PEER_TEST_FAILURE: |
1201 | return INTERNAL_ERROR; | |
1202 | ||
561f6f1e MC |
1203 | case PEER_WAITING: |
1204 | /* Shouldn't ever happen */ | |
1205 | return INTERNAL_ERROR; | |
1206 | ||
453dfd8d EK |
1207 | case PEER_SUCCESS: |
1208 | switch (previous_status) { | |
ff281ee8 P |
1209 | case PEER_TEST_FAILURE: |
1210 | return INTERNAL_ERROR; | |
453dfd8d EK |
1211 | case PEER_SUCCESS: |
1212 | /* Both succeeded. */ | |
1213 | return HANDSHAKE_SUCCESS; | |
561f6f1e | 1214 | case PEER_WAITING: |
453dfd8d EK |
1215 | case PEER_RETRY: |
1216 | /* Let the first peer finish. */ | |
1217 | return HANDSHAKE_RETRY; | |
1218 | case PEER_ERROR: | |
1219 | /* | |
1220 | * Second peer succeeded despite the fact that the first peer | |
1221 | * already errored. This shouldn't happen. | |
1222 | */ | |
1223 | return INTERNAL_ERROR; | |
1224 | } | |
4d921bfb | 1225 | break; |
453dfd8d EK |
1226 | |
1227 | case PEER_RETRY: | |
83964ca0 MC |
1228 | return HANDSHAKE_RETRY; |
1229 | ||
453dfd8d EK |
1230 | case PEER_ERROR: |
1231 | switch (previous_status) { | |
ff281ee8 P |
1232 | case PEER_TEST_FAILURE: |
1233 | return INTERNAL_ERROR; | |
83964ca0 MC |
1234 | case PEER_WAITING: |
1235 | /* The client failed immediately before sending the ClientHello */ | |
1236 | return client_spoke_last ? CLIENT_ERROR : INTERNAL_ERROR; | |
453dfd8d EK |
1237 | case PEER_SUCCESS: |
1238 | /* | |
1239 | * First peer succeeded but second peer errored. | |
1240 | * TODO(emilia): we should be able to continue here (with some | |
1241 | * application data?) to ensure the first peer receives the | |
1242 | * alert / close_notify. | |
e0421bd8 | 1243 | * (No tests currently exercise this branch.) |
453dfd8d EK |
1244 | */ |
1245 | return client_spoke_last ? CLIENT_ERROR : SERVER_ERROR; | |
1246 | case PEER_RETRY: | |
1247 | /* We errored; let the peer finish. */ | |
1248 | return HANDSHAKE_RETRY; | |
1249 | case PEER_ERROR: | |
1250 | /* Both peers errored. Return the one that errored first. */ | |
1251 | return client_spoke_last ? SERVER_ERROR : CLIENT_ERROR; | |
1252 | } | |
1253 | } | |
1254 | /* Control should never reach here. */ | |
1255 | return INTERNAL_ERROR; | |
1256 | } | |
1257 | ||
ce2cdac2 EK |
1258 | /* Convert unsigned char buf's that shouldn't contain any NUL-bytes to char. */ |
1259 | static char *dup_str(const unsigned char *in, size_t len) | |
1260 | { | |
ff281ee8 | 1261 | char *ret = NULL; |
ce2cdac2 | 1262 | |
28b86f31 | 1263 | if (len == 0) |
ce2cdac2 EK |
1264 | return NULL; |
1265 | ||
1266 | /* Assert that the string does not contain NUL-bytes. */ | |
ff281ee8 P |
1267 | if (TEST_size_t_eq(OPENSSL_strnlen((const char*)(in), len), len)) |
1268 | TEST_ptr(ret = OPENSSL_strndup((const char*)(in), len)); | |
ce2cdac2 EK |
1269 | return ret; |
1270 | } | |
1271 | ||
7f5f35af DSH |
1272 | static int pkey_type(EVP_PKEY *pkey) |
1273 | { | |
1274 | int nid = EVP_PKEY_id(pkey); | |
1275 | ||
1276 | #ifndef OPENSSL_NO_EC | |
1277 | if (nid == EVP_PKEY_EC) { | |
1278 | const EC_KEY *ec = EVP_PKEY_get0_EC_KEY(pkey); | |
1279 | return EC_GROUP_get_curve_name(EC_KEY_get0_group(ec)); | |
1280 | } | |
1281 | #endif | |
1282 | return nid; | |
1283 | } | |
1284 | ||
1285 | static int peer_pkey_type(SSL *s) | |
1286 | { | |
1287 | X509 *x = SSL_get_peer_certificate(s); | |
1288 | ||
1289 | if (x != NULL) { | |
1290 | int nid = pkey_type(X509_get0_pubkey(x)); | |
1291 | ||
1292 | X509_free(x); | |
1293 | return nid; | |
1294 | } | |
1295 | return NID_undef; | |
1296 | } | |
1297 | ||
83964ca0 MC |
1298 | #if !defined(OPENSSL_NO_SCTP) && !defined(OPENSSL_NO_SOCK) |
1299 | static int set_sock_as_sctp(int sock) | |
1300 | { | |
09d62b33 MT |
1301 | struct sctp_assocparams assocparams; |
1302 | struct sctp_rtoinfo rto_info; | |
1303 | BIO *tmpbio; | |
1304 | ||
1305 | /* | |
1306 | * To allow tests to fail fast (within a second or so), reduce the | |
1307 | * retransmission timeouts and the number of retransmissions. | |
1308 | */ | |
1309 | memset(&rto_info, 0, sizeof(struct sctp_rtoinfo)); | |
1310 | rto_info.srto_initial = 100; | |
1311 | rto_info.srto_max = 200; | |
1312 | rto_info.srto_min = 50; | |
1313 | (void)setsockopt(sock, IPPROTO_SCTP, SCTP_RTOINFO, | |
1314 | (const void *)&rto_info, sizeof(struct sctp_rtoinfo)); | |
1315 | memset(&assocparams, 0, sizeof(struct sctp_assocparams)); | |
1316 | assocparams.sasoc_asocmaxrxt = 2; | |
1317 | (void)setsockopt(sock, IPPROTO_SCTP, SCTP_ASSOCINFO, | |
1318 | (const void *)&assocparams, | |
1319 | sizeof(struct sctp_assocparams)); | |
1320 | ||
83964ca0 MC |
1321 | /* |
1322 | * For SCTP we have to set various options on the socket prior to | |
1323 | * connecting. This is done automatically by BIO_new_dgram_sctp(). | |
1324 | * We don't actually need the created BIO though so we free it again | |
1325 | * immediately. | |
1326 | */ | |
09d62b33 | 1327 | tmpbio = BIO_new_dgram_sctp(sock, BIO_NOCLOSE); |
83964ca0 MC |
1328 | |
1329 | if (tmpbio == NULL) | |
1330 | return 0; | |
1331 | BIO_free(tmpbio); | |
1332 | ||
1333 | return 1; | |
1334 | } | |
1335 | ||
1336 | static int create_sctp_socks(int *ssock, int *csock) | |
1337 | { | |
1338 | BIO_ADDRINFO *res = NULL; | |
1339 | const BIO_ADDRINFO *ai = NULL; | |
1340 | int lsock = INVALID_SOCKET, asock = INVALID_SOCKET; | |
1341 | int consock = INVALID_SOCKET; | |
1342 | int ret = 0; | |
1343 | int family = 0; | |
1344 | ||
9e1d5e8d | 1345 | if (BIO_sock_init() != 1) |
83964ca0 MC |
1346 | return 0; |
1347 | ||
1348 | /* | |
1349 | * Port is 4463. It could be anything. It will fail if it's already being | |
1350 | * used for some other SCTP service. It seems unlikely though so we don't | |
1351 | * worry about it here. | |
1352 | */ | |
1353 | if (!BIO_lookup_ex(NULL, "4463", BIO_LOOKUP_SERVER, family, SOCK_STREAM, | |
1354 | IPPROTO_SCTP, &res)) | |
1355 | return 0; | |
1356 | ||
1357 | for (ai = res; ai != NULL; ai = BIO_ADDRINFO_next(ai)) { | |
1358 | family = BIO_ADDRINFO_family(ai); | |
1359 | lsock = BIO_socket(family, SOCK_STREAM, IPPROTO_SCTP, 0); | |
1360 | if (lsock == INVALID_SOCKET) { | |
1361 | /* Maybe the kernel doesn't support the socket family, even if | |
1362 | * BIO_lookup() added it in the returned result... | |
1363 | */ | |
1364 | continue; | |
1365 | } | |
1366 | ||
1367 | if (!set_sock_as_sctp(lsock) | |
1368 | || !BIO_listen(lsock, BIO_ADDRINFO_address(ai), | |
1369 | BIO_SOCK_REUSEADDR)) { | |
1370 | BIO_closesocket(lsock); | |
1371 | lsock = INVALID_SOCKET; | |
1372 | continue; | |
1373 | } | |
1374 | ||
1375 | /* Success, don't try any more addresses */ | |
1376 | break; | |
1377 | } | |
1378 | ||
1379 | if (lsock == INVALID_SOCKET) | |
1380 | goto err; | |
1381 | ||
1382 | BIO_ADDRINFO_free(res); | |
1383 | res = NULL; | |
1384 | ||
1385 | if (!BIO_lookup_ex(NULL, "4463", BIO_LOOKUP_CLIENT, family, SOCK_STREAM, | |
1386 | IPPROTO_SCTP, &res)) | |
1387 | goto err; | |
1388 | ||
1389 | consock = BIO_socket(family, SOCK_STREAM, IPPROTO_SCTP, 0); | |
1390 | if (consock == INVALID_SOCKET) | |
1391 | goto err; | |
1392 | ||
1393 | if (!set_sock_as_sctp(consock) | |
1394 | || !BIO_connect(consock, BIO_ADDRINFO_address(res), 0) | |
1395 | || !BIO_socket_nbio(consock, 1)) | |
1396 | goto err; | |
1397 | ||
1398 | asock = BIO_accept_ex(lsock, NULL, BIO_SOCK_NONBLOCK); | |
1399 | if (asock == INVALID_SOCKET) | |
1400 | goto err; | |
1401 | ||
1402 | *csock = consock; | |
1403 | *ssock = asock; | |
1404 | consock = asock = INVALID_SOCKET; | |
1405 | ret = 1; | |
1406 | ||
1407 | err: | |
1408 | BIO_ADDRINFO_free(res); | |
1409 | if (consock != INVALID_SOCKET) | |
1410 | BIO_closesocket(consock); | |
1411 | if (lsock != INVALID_SOCKET) | |
1412 | BIO_closesocket(lsock); | |
1413 | if (asock != INVALID_SOCKET) | |
1414 | BIO_closesocket(asock); | |
1415 | return ret; | |
1416 | } | |
1417 | #endif | |
1418 | ||
6dc99745 EK |
1419 | /* |
1420 | * Note that |extra| points to the correct client/server configuration | |
1421 | * within |test_ctx|. When configuring the handshake, general mode settings | |
1422 | * are taken from |test_ctx|, and client/server-specific settings should be | |
1423 | * taken from |extra|. | |
1424 | * | |
1425 | * The configuration code should never reach into |test_ctx->extra| or | |
1426 | * |test_ctx->resume_extra| directly. | |
1427 | * | |
1428 | * (We could refactor test mode settings into a substructure. This would result | |
1429 | * in cleaner argument passing but would complicate the test configuration | |
1430 | * parsing.) | |
1431 | */ | |
590ed3d7 EK |
1432 | static HANDSHAKE_RESULT *do_handshake_internal( |
1433 | SSL_CTX *server_ctx, SSL_CTX *server2_ctx, SSL_CTX *client_ctx, | |
6dc99745 | 1434 | const SSL_TEST_CTX *test_ctx, const SSL_TEST_EXTRA_CONF *extra, |
6cc0b3c2 MC |
1435 | SSL_SESSION *session_in, SSL_SESSION *serv_sess_in, |
1436 | SSL_SESSION **session_out, SSL_SESSION **serv_sess_out) | |
453dfd8d | 1437 | { |
e0421bd8 | 1438 | PEER server, client; |
83964ca0 | 1439 | BIO *client_to_server = NULL, *server_to_client = NULL; |
453dfd8d | 1440 | HANDSHAKE_EX_DATA server_ex_data, client_ex_data; |
ce2cdac2 EK |
1441 | CTX_DATA client_ctx_data, server_ctx_data, server2_ctx_data; |
1442 | HANDSHAKE_RESULT *ret = HANDSHAKE_RESULT_new(); | |
36ff232c | 1443 | int client_turn = 1, client_turn_count = 0, client_wait_count = 0; |
e0421bd8 | 1444 | connect_phase_t phase = HANDSHAKE; |
453dfd8d | 1445 | handshake_status_t status = HANDSHAKE_RETRY; |
48593cb1 | 1446 | const unsigned char* tick = NULL; |
ce2cdac2 | 1447 | size_t tick_len = 0; |
a84e5c9a TS |
1448 | const unsigned char* sess_id = NULL; |
1449 | unsigned int sess_id_len = 0; | |
5c753de6 | 1450 | SSL_SESSION* sess = NULL; |
ce2cdac2 EK |
1451 | const unsigned char *proto = NULL; |
1452 | /* API dictates unsigned int rather than size_t. */ | |
1453 | unsigned int proto_len = 0; | |
b93ad05d | 1454 | EVP_PKEY *tmp_key; |
f15b50c4 | 1455 | const STACK_OF(X509_NAME) *names; |
83964ca0 | 1456 | time_t start; |
e1c7871d | 1457 | const char* cipher; |
453dfd8d | 1458 | |
ff281ee8 P |
1459 | if (ret == NULL) |
1460 | return NULL; | |
1461 | ||
ce2cdac2 EK |
1462 | memset(&server_ctx_data, 0, sizeof(server_ctx_data)); |
1463 | memset(&server2_ctx_data, 0, sizeof(server2_ctx_data)); | |
1464 | memset(&client_ctx_data, 0, sizeof(client_ctx_data)); | |
e0421bd8 EK |
1465 | memset(&server, 0, sizeof(server)); |
1466 | memset(&client, 0, sizeof(client)); | |
20e237c0 P |
1467 | memset(&server_ex_data, 0, sizeof(server_ex_data)); |
1468 | memset(&client_ex_data, 0, sizeof(client_ex_data)); | |
ce2cdac2 | 1469 | |
ff281ee8 P |
1470 | if (!configure_handshake_ctx(server_ctx, server2_ctx, client_ctx, |
1471 | test_ctx, extra, &server_ctx_data, | |
1472 | &server2_ctx_data, &client_ctx_data)) { | |
1473 | TEST_note("configure_handshake_ctx"); | |
1474 | return NULL; | |
1475 | } | |
a263f320 | 1476 | |
09d62b33 MT |
1477 | #if !defined(OPENSSL_NO_SCTP) && !defined(OPENSSL_NO_SOCK) |
1478 | if (test_ctx->enable_client_sctp_label_bug) | |
1479 | SSL_CTX_set_mode(client_ctx, SSL_MODE_DTLS_SCTP_LABEL_LENGTH_BUG); | |
1480 | if (test_ctx->enable_server_sctp_label_bug) | |
1481 | SSL_CTX_set_mode(server_ctx, SSL_MODE_DTLS_SCTP_LABEL_LENGTH_BUG); | |
1482 | #endif | |
1483 | ||
e0421bd8 | 1484 | /* Setup SSL and buffers; additional configuration happens below. */ |
ff281ee8 P |
1485 | if (!create_peer(&server, server_ctx)) { |
1486 | TEST_note("creating server context"); | |
1487 | goto err; | |
1488 | } | |
1489 | if (!create_peer(&client, client_ctx)) { | |
1490 | TEST_note("creating client context"); | |
1491 | goto err; | |
1492 | } | |
453dfd8d | 1493 | |
6dc99745 EK |
1494 | server.bytes_to_write = client.bytes_to_read = test_ctx->app_data_size; |
1495 | client.bytes_to_write = server.bytes_to_read = test_ctx->app_data_size; | |
e0421bd8 EK |
1496 | |
1497 | configure_handshake_ssl(server.ssl, client.ssl, extra); | |
590ed3d7 | 1498 | if (session_in != NULL) { |
6cc0b3c2 | 1499 | SSL_SESSION_get_id(serv_sess_in, &sess_id_len); |
590ed3d7 | 1500 | /* In case we're testing resumption without tickets. */ |
6cc0b3c2 MC |
1501 | if ((sess_id_len > 0 |
1502 | && !TEST_true(SSL_CTX_add_session(server_ctx, | |
1503 | serv_sess_in))) | |
ff281ee8 P |
1504 | || !TEST_true(SSL_set_session(client.ssl, session_in))) |
1505 | goto err; | |
6cc0b3c2 | 1506 | sess_id_len = 0; |
590ed3d7 | 1507 | } |
5c753de6 | 1508 | |
ce2cdac2 | 1509 | ret->result = SSL_TEST_INTERNAL_ERROR; |
453dfd8d | 1510 | |
83964ca0 MC |
1511 | if (test_ctx->use_sctp) { |
1512 | #if !defined(OPENSSL_NO_SCTP) && !defined(OPENSSL_NO_SOCK) | |
1513 | int csock, ssock; | |
1514 | ||
1515 | if (create_sctp_socks(&ssock, &csock)) { | |
1516 | client_to_server = BIO_new_dgram_sctp(csock, BIO_CLOSE); | |
1517 | server_to_client = BIO_new_dgram_sctp(ssock, BIO_CLOSE); | |
1518 | } | |
1519 | #endif | |
1520 | } else { | |
1521 | client_to_server = BIO_new(BIO_s_mem()); | |
1522 | server_to_client = BIO_new(BIO_s_mem()); | |
1523 | } | |
453dfd8d | 1524 | |
ff281ee8 P |
1525 | if (!TEST_ptr(client_to_server) |
1526 | || !TEST_ptr(server_to_client)) | |
1527 | goto err; | |
453dfd8d EK |
1528 | |
1529 | /* Non-blocking bio. */ | |
1530 | BIO_set_nbio(client_to_server, 1); | |
1531 | BIO_set_nbio(server_to_client, 1); | |
1532 | ||
e0421bd8 EK |
1533 | SSL_set_connect_state(client.ssl); |
1534 | SSL_set_accept_state(server.ssl); | |
453dfd8d EK |
1535 | |
1536 | /* The bios are now owned by the SSL object. */ | |
83964ca0 MC |
1537 | if (test_ctx->use_sctp) { |
1538 | SSL_set_bio(client.ssl, client_to_server, client_to_server); | |
1539 | SSL_set_bio(server.ssl, server_to_client, server_to_client); | |
1540 | } else { | |
1541 | SSL_set_bio(client.ssl, server_to_client, client_to_server); | |
ff281ee8 P |
1542 | if (!TEST_int_gt(BIO_up_ref(server_to_client), 0) |
1543 | || !TEST_int_gt(BIO_up_ref(client_to_server), 0)) | |
1544 | goto err; | |
83964ca0 MC |
1545 | SSL_set_bio(server.ssl, client_to_server, server_to_client); |
1546 | } | |
453dfd8d EK |
1547 | |
1548 | ex_data_idx = SSL_get_ex_new_index(0, "ex data", NULL, NULL, NULL); | |
ff281ee8 P |
1549 | if (!TEST_int_ge(ex_data_idx, 0) |
1550 | || !TEST_int_eq(SSL_set_ex_data(server.ssl, ex_data_idx, &server_ex_data), 1) | |
1551 | || !TEST_int_eq(SSL_set_ex_data(client.ssl, ex_data_idx, &client_ex_data), 1)) | |
1552 | goto err; | |
e0421bd8 EK |
1553 | |
1554 | SSL_set_info_callback(server.ssl, &info_cb); | |
1555 | SSL_set_info_callback(client.ssl, &info_cb); | |
453dfd8d | 1556 | |
83964ca0 MC |
1557 | client.status = PEER_RETRY; |
1558 | server.status = PEER_WAITING; | |
1559 | ||
1560 | start = time(NULL); | |
453dfd8d EK |
1561 | |
1562 | /* | |
1563 | * Half-duplex handshake loop. | |
1564 | * Client and server speak to each other synchronously in the same process. | |
1565 | * We use non-blocking BIOs, so whenever one peer blocks for read, it | |
1566 | * returns PEER_RETRY to indicate that it's the other peer's turn to write. | |
1567 | * The handshake succeeds once both peers have succeeded. If one peer | |
1568 | * errors out, we also let the other peer retry (and presumably fail). | |
1569 | */ | |
1570 | for(;;) { | |
1571 | if (client_turn) { | |
fe7dd553 | 1572 | do_connect_step(test_ctx, &client, phase); |
e0421bd8 | 1573 | status = handshake_status(client.status, server.status, |
453dfd8d | 1574 | 1 /* client went last */); |
83964ca0 MC |
1575 | if (server.status == PEER_WAITING) |
1576 | server.status = PEER_RETRY; | |
453dfd8d | 1577 | } else { |
fe7dd553 | 1578 | do_connect_step(test_ctx, &server, phase); |
e0421bd8 | 1579 | status = handshake_status(server.status, client.status, |
453dfd8d EK |
1580 | 0 /* server went last */); |
1581 | } | |
1582 | ||
1583 | switch (status) { | |
1584 | case HANDSHAKE_SUCCESS: | |
ceb6d746 | 1585 | client_turn_count = 0; |
e42c4544 | 1586 | phase = next_phase(test_ctx, phase); |
e0421bd8 | 1587 | if (phase == CONNECTION_DONE) { |
590ed3d7 EK |
1588 | ret->result = SSL_TEST_SUCCESS; |
1589 | goto err; | |
1590 | } else { | |
e0421bd8 EK |
1591 | client.status = server.status = PEER_RETRY; |
1592 | /* | |
1593 | * For now, client starts each phase. Since each phase is | |
1594 | * started separately, we can later control this more | |
1595 | * precisely, for example, to test client-initiated and | |
1596 | * server-initiated shutdown. | |
1597 | */ | |
590ed3d7 EK |
1598 | client_turn = 1; |
1599 | break; | |
1600 | } | |
453dfd8d | 1601 | case CLIENT_ERROR: |
ce2cdac2 | 1602 | ret->result = SSL_TEST_CLIENT_FAIL; |
453dfd8d EK |
1603 | goto err; |
1604 | case SERVER_ERROR: | |
ce2cdac2 | 1605 | ret->result = SSL_TEST_SERVER_FAIL; |
453dfd8d EK |
1606 | goto err; |
1607 | case INTERNAL_ERROR: | |
ce2cdac2 | 1608 | ret->result = SSL_TEST_INTERNAL_ERROR; |
453dfd8d EK |
1609 | goto err; |
1610 | case HANDSHAKE_RETRY: | |
83964ca0 MC |
1611 | if (test_ctx->use_sctp) { |
1612 | if (time(NULL) - start > 3) { | |
1613 | /* | |
1614 | * We've waited for too long. Give up. | |
1615 | */ | |
1616 | ret->result = SSL_TEST_INTERNAL_ERROR; | |
1617 | goto err; | |
1618 | } | |
ceb6d746 | 1619 | /* |
83964ca0 MC |
1620 | * With "real" sockets we only swap to processing the peer |
1621 | * if they are expecting to retry. Otherwise we just retry the | |
1622 | * same endpoint again. | |
ceb6d746 | 1623 | */ |
83964ca0 MC |
1624 | if ((client_turn && server.status == PEER_RETRY) |
1625 | || (!client_turn && client.status == PEER_RETRY)) | |
1626 | client_turn ^= 1; | |
1627 | } else { | |
1628 | if (client_turn_count++ >= 2000) { | |
1629 | /* | |
1630 | * At this point, there's been so many PEER_RETRY in a row | |
1631 | * that it's likely both sides are stuck waiting for a read. | |
1632 | * It's time to give up. | |
1633 | */ | |
1634 | ret->result = SSL_TEST_INTERNAL_ERROR; | |
1635 | goto err; | |
1636 | } | |
36ff232c MC |
1637 | if (client_turn && server.status == PEER_SUCCESS) { |
1638 | /* | |
1639 | * The server may finish before the client because the | |
1640 | * client spends some turns processing NewSessionTickets. | |
1641 | */ | |
1642 | if (client_wait_count++ >= 2) { | |
1643 | ret->result = SSL_TEST_INTERNAL_ERROR; | |
1644 | goto err; | |
1645 | } | |
1646 | } else { | |
1647 | /* Continue. */ | |
1648 | client_turn ^= 1; | |
1649 | } | |
83964ca0 | 1650 | } |
453dfd8d EK |
1651 | break; |
1652 | } | |
1653 | } | |
1654 | err: | |
ce2cdac2 | 1655 | ret->server_alert_sent = server_ex_data.alert_sent; |
dd8e5a57 | 1656 | ret->server_num_fatal_alerts_sent = server_ex_data.num_fatal_alerts_sent; |
ce2cdac2 EK |
1657 | ret->server_alert_received = client_ex_data.alert_received; |
1658 | ret->client_alert_sent = client_ex_data.alert_sent; | |
dd8e5a57 | 1659 | ret->client_num_fatal_alerts_sent = client_ex_data.num_fatal_alerts_sent; |
ce2cdac2 | 1660 | ret->client_alert_received = server_ex_data.alert_received; |
e0421bd8 EK |
1661 | ret->server_protocol = SSL_version(server.ssl); |
1662 | ret->client_protocol = SSL_version(client.ssl); | |
ce2cdac2 | 1663 | ret->servername = server_ex_data.servername; |
a84e5c9a | 1664 | if ((sess = SSL_get0_session(client.ssl)) != NULL) { |
ce2cdac2 | 1665 | SSL_SESSION_get0_ticket(sess, &tick, &tick_len); |
a84e5c9a TS |
1666 | sess_id = SSL_SESSION_get_id(sess, &sess_id_len); |
1667 | } | |
ce2cdac2 EK |
1668 | if (tick == NULL || tick_len == 0) |
1669 | ret->session_ticket = SSL_TEST_SESSION_TICKET_NO; | |
5c753de6 | 1670 | else |
ce2cdac2 | 1671 | ret->session_ticket = SSL_TEST_SESSION_TICKET_YES; |
439db0c9 MC |
1672 | ret->compression = (SSL_get_current_compression(client.ssl) == NULL) |
1673 | ? SSL_TEST_COMPRESSION_NO | |
1674 | : SSL_TEST_COMPRESSION_YES; | |
a84e5c9a TS |
1675 | if (sess_id == NULL || sess_id_len == 0) |
1676 | ret->session_id = SSL_TEST_SESSION_ID_NO; | |
1677 | else | |
1678 | ret->session_id = SSL_TEST_SESSION_ID_YES; | |
ce2cdac2 EK |
1679 | ret->session_ticket_do_not_call = server_ex_data.session_ticket_do_not_call; |
1680 | ||
620c6ad3 | 1681 | #ifndef OPENSSL_NO_NEXTPROTONEG |
e0421bd8 | 1682 | SSL_get0_next_proto_negotiated(client.ssl, &proto, &proto_len); |
ce2cdac2 EK |
1683 | ret->client_npn_negotiated = dup_str(proto, proto_len); |
1684 | ||
e0421bd8 | 1685 | SSL_get0_next_proto_negotiated(server.ssl, &proto, &proto_len); |
ce2cdac2 | 1686 | ret->server_npn_negotiated = dup_str(proto, proto_len); |
7b7cea6d | 1687 | #endif |
ce2cdac2 | 1688 | |
e0421bd8 | 1689 | SSL_get0_alpn_selected(client.ssl, &proto, &proto_len); |
ce2cdac2 EK |
1690 | ret->client_alpn_negotiated = dup_str(proto, proto_len); |
1691 | ||
e0421bd8 | 1692 | SSL_get0_alpn_selected(server.ssl, &proto, &proto_len); |
ce2cdac2 | 1693 | ret->server_alpn_negotiated = dup_str(proto, proto_len); |
453dfd8d | 1694 | |
df0fed9a TS |
1695 | if ((sess = SSL_get0_session(server.ssl)) != NULL) { |
1696 | SSL_SESSION_get0_ticket_appdata(sess, (void**)&tick, &tick_len); | |
1697 | ret->result_session_ticket_app_data = OPENSSL_strndup((const char*)tick, tick_len); | |
1698 | } | |
1699 | ||
e0421bd8 EK |
1700 | ret->client_resumed = SSL_session_reused(client.ssl); |
1701 | ret->server_resumed = SSL_session_reused(server.ssl); | |
590ed3d7 | 1702 | |
e1c7871d TS |
1703 | cipher = SSL_CIPHER_get_name(SSL_get_current_cipher(client.ssl)); |
1704 | ret->cipher = dup_str((const unsigned char*)cipher, strlen(cipher)); | |
1705 | ||
590ed3d7 | 1706 | if (session_out != NULL) |
e0421bd8 | 1707 | *session_out = SSL_get1_session(client.ssl); |
6cc0b3c2 MC |
1708 | if (serv_sess_out != NULL) { |
1709 | SSL_SESSION *tmp = SSL_get_session(server.ssl); | |
1710 | ||
1711 | /* | |
1712 | * We create a fresh copy that is not in the server session ctx linked | |
1713 | * list. | |
1714 | */ | |
1715 | if (tmp != NULL) | |
1716 | *serv_sess_out = SSL_SESSION_dup(tmp); | |
1717 | } | |
590ed3d7 | 1718 | |
a51c9f63 | 1719 | if (SSL_get_peer_tmp_key(client.ssl, &tmp_key)) { |
7f5f35af | 1720 | ret->tmp_key_type = pkey_type(tmp_key); |
b93ad05d | 1721 | EVP_PKEY_free(tmp_key); |
b93ad05d DSH |
1722 | } |
1723 | ||
ee5b6a42 DSH |
1724 | SSL_get_peer_signature_nid(client.ssl, &ret->server_sign_hash); |
1725 | SSL_get_peer_signature_nid(server.ssl, &ret->client_sign_hash); | |
1726 | ||
54b7f2a5 DSH |
1727 | SSL_get_peer_signature_type_nid(client.ssl, &ret->server_sign_type); |
1728 | SSL_get_peer_signature_type_nid(server.ssl, &ret->client_sign_type); | |
1729 | ||
f15b50c4 | 1730 | names = SSL_get0_peer_CA_list(client.ssl); |
2e21539b DSH |
1731 | if (names == NULL) |
1732 | ret->client_ca_names = NULL; | |
1733 | else | |
1734 | ret->client_ca_names = SSL_dup_CA_list(names); | |
1735 | ||
f15b50c4 DSH |
1736 | names = SSL_get0_peer_CA_list(server.ssl); |
1737 | if (names == NULL) | |
1738 | ret->server_ca_names = NULL; | |
1739 | else | |
1740 | ret->server_ca_names = SSL_dup_CA_list(names); | |
1741 | ||
7f5f35af DSH |
1742 | ret->server_cert_type = peer_pkey_type(client.ssl); |
1743 | ret->client_cert_type = peer_pkey_type(server.ssl); | |
1744 | ||
ce2cdac2 EK |
1745 | ctx_data_free_data(&server_ctx_data); |
1746 | ctx_data_free_data(&server2_ctx_data); | |
1747 | ctx_data_free_data(&client_ctx_data); | |
590ed3d7 | 1748 | |
e0421bd8 EK |
1749 | peer_free_data(&server); |
1750 | peer_free_data(&client); | |
453dfd8d EK |
1751 | return ret; |
1752 | } | |
590ed3d7 EK |
1753 | |
1754 | HANDSHAKE_RESULT *do_handshake(SSL_CTX *server_ctx, SSL_CTX *server2_ctx, | |
1755 | SSL_CTX *client_ctx, SSL_CTX *resume_server_ctx, | |
11279b13 | 1756 | SSL_CTX *resume_client_ctx, |
590ed3d7 EK |
1757 | const SSL_TEST_CTX *test_ctx) |
1758 | { | |
1759 | HANDSHAKE_RESULT *result; | |
6cc0b3c2 | 1760 | SSL_SESSION *session = NULL, *serv_sess = NULL; |
590ed3d7 EK |
1761 | |
1762 | result = do_handshake_internal(server_ctx, server2_ctx, client_ctx, | |
6dc99745 | 1763 | test_ctx, &test_ctx->extra, |
6cc0b3c2 | 1764 | NULL, NULL, &session, &serv_sess); |
ff281ee8 P |
1765 | if (result == NULL |
1766 | || test_ctx->handshake_mode != SSL_TEST_HANDSHAKE_RESUME | |
1767 | || result->result == SSL_TEST_INTERNAL_ERROR) | |
590ed3d7 EK |
1768 | goto end; |
1769 | ||
590ed3d7 EK |
1770 | if (result->result != SSL_TEST_SUCCESS) { |
1771 | result->result = SSL_TEST_FIRST_HANDSHAKE_FAILED; | |
e0421bd8 | 1772 | goto end; |
590ed3d7 EK |
1773 | } |
1774 | ||
1775 | HANDSHAKE_RESULT_free(result); | |
1776 | /* We don't support SNI on second handshake yet, so server2_ctx is NULL. */ | |
11279b13 | 1777 | result = do_handshake_internal(resume_server_ctx, NULL, resume_client_ctx, |
6dc99745 | 1778 | test_ctx, &test_ctx->resume_extra, |
6cc0b3c2 | 1779 | session, serv_sess, NULL, NULL); |
590ed3d7 EK |
1780 | end: |
1781 | SSL_SESSION_free(session); | |
6cc0b3c2 | 1782 | SSL_SESSION_free(serv_sess); |
590ed3d7 EK |
1783 | return result; |
1784 | } |