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Commit | Line | Data |
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846e33c7 RS |
1 | /* |
2 | * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved. | |
a661b653 | 3 | * |
846e33c7 RS |
4 | * Licensed under the OpenSSL license (the "License"). You may not use |
5 | * this file except in compliance with the License. You can obtain a copy | |
6 | * in the file LICENSE in the source distribution or at | |
7 | * https://www.openssl.org/source/license.html | |
a661b653 | 8 | */ |
d02b48c6 | 9 | |
7e1b7485 | 10 | /* callback functions used by s_client, s_server, and s_time */ |
d02b48c6 RE |
11 | #include <stdio.h> |
12 | #include <stdlib.h> | |
8f744cce | 13 | #include <string.h> /* for memcpy() and strcmp() */ |
d02b48c6 | 14 | #define USE_SOCKETS |
d02b48c6 | 15 | #include "apps.h" |
d02b48c6 | 16 | #undef USE_SOCKETS |
ec577822 | 17 | #include <openssl/err.h> |
07a9d1a2 | 18 | #include <openssl/rand.h> |
ec577822 BM |
19 | #include <openssl/x509.h> |
20 | #include <openssl/ssl.h> | |
e03c5b59 DSH |
21 | #include <openssl/bn.h> |
22 | #ifndef OPENSSL_NO_DH | |
0f113f3e | 23 | # include <openssl/dh.h> |
e03c5b59 | 24 | #endif |
d02b48c6 RE |
25 | #include "s_apps.h" |
26 | ||
0f113f3e | 27 | #define COOKIE_SECRET_LENGTH 16 |
07a9d1a2 | 28 | |
acc00492 F |
29 | VERIFY_CB_ARGS verify_args = { 0, 0, X509_V_OK, 0 }; |
30 | ||
f9e55034 | 31 | #ifndef OPENSSL_NO_SOCK |
df2ee0e2 BL |
32 | static unsigned char cookie_secret[COOKIE_SECRET_LENGTH]; |
33 | static int cookie_initialized = 0; | |
f9e55034 | 34 | #endif |
4bf73e9f | 35 | static BIO *bio_keylog = NULL; |
d02b48c6 | 36 | |
3e8e688f RS |
37 | static const char *lookup(int val, const STRINT_PAIR* list, const char* def) |
38 | { | |
39 | for ( ; list->name; ++list) | |
40 | if (list->retval == val) | |
41 | return list->name; | |
42 | return def; | |
43 | } | |
44 | ||
6d23cf97 | 45 | int verify_callback(int ok, X509_STORE_CTX *ctx) |
0f113f3e MC |
46 | { |
47 | X509 *err_cert; | |
48 | int err, depth; | |
49 | ||
50 | err_cert = X509_STORE_CTX_get_current_cert(ctx); | |
51 | err = X509_STORE_CTX_get_error(ctx); | |
52 | depth = X509_STORE_CTX_get_error_depth(ctx); | |
53 | ||
acc00492 | 54 | if (!verify_args.quiet || !ok) { |
0f113f3e MC |
55 | BIO_printf(bio_err, "depth=%d ", depth); |
56 | if (err_cert) { | |
57 | X509_NAME_print_ex(bio_err, | |
58 | X509_get_subject_name(err_cert), | |
b5c4209b | 59 | 0, get_nameopt()); |
0f113f3e MC |
60 | BIO_puts(bio_err, "\n"); |
61 | } else | |
62 | BIO_puts(bio_err, "<no cert>\n"); | |
63 | } | |
64 | if (!ok) { | |
65 | BIO_printf(bio_err, "verify error:num=%d:%s\n", err, | |
66 | X509_verify_cert_error_string(err)); | |
acc00492 F |
67 | if (verify_args.depth >= depth) { |
68 | if (!verify_args.return_error) | |
0f113f3e | 69 | ok = 1; |
acc00492 | 70 | verify_args.error = err; |
0f113f3e MC |
71 | } else { |
72 | ok = 0; | |
acc00492 | 73 | verify_args.error = X509_V_ERR_CERT_CHAIN_TOO_LONG; |
0f113f3e MC |
74 | } |
75 | } | |
76 | switch (err) { | |
77 | case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT: | |
78 | BIO_puts(bio_err, "issuer= "); | |
79 | X509_NAME_print_ex(bio_err, X509_get_issuer_name(err_cert), | |
b5c4209b | 80 | 0, get_nameopt()); |
0f113f3e MC |
81 | BIO_puts(bio_err, "\n"); |
82 | break; | |
83 | case X509_V_ERR_CERT_NOT_YET_VALID: | |
84 | case X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD: | |
85 | BIO_printf(bio_err, "notBefore="); | |
568ce3a5 | 86 | ASN1_TIME_print(bio_err, X509_get0_notBefore(err_cert)); |
0f113f3e MC |
87 | BIO_printf(bio_err, "\n"); |
88 | break; | |
89 | case X509_V_ERR_CERT_HAS_EXPIRED: | |
90 | case X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD: | |
91 | BIO_printf(bio_err, "notAfter="); | |
568ce3a5 | 92 | ASN1_TIME_print(bio_err, X509_get0_notAfter(err_cert)); |
0f113f3e MC |
93 | BIO_printf(bio_err, "\n"); |
94 | break; | |
95 | case X509_V_ERR_NO_EXPLICIT_POLICY: | |
acc00492 | 96 | if (!verify_args.quiet) |
ecf3a1fb | 97 | policies_print(ctx); |
0f113f3e MC |
98 | break; |
99 | } | |
acc00492 | 100 | if (err == X509_V_OK && ok == 2 && !verify_args.quiet) |
ecf3a1fb | 101 | policies_print(ctx); |
acc00492 | 102 | if (ok && !verify_args.quiet) |
0f113f3e MC |
103 | BIO_printf(bio_err, "verify return:%d\n", ok); |
104 | return (ok); | |
105 | } | |
d02b48c6 | 106 | |
6b691a5c | 107 | int set_cert_stuff(SSL_CTX *ctx, char *cert_file, char *key_file) |
0f113f3e MC |
108 | { |
109 | if (cert_file != NULL) { | |
0f113f3e MC |
110 | if (SSL_CTX_use_certificate_file(ctx, cert_file, |
111 | SSL_FILETYPE_PEM) <= 0) { | |
112 | BIO_printf(bio_err, "unable to get certificate from '%s'\n", | |
113 | cert_file); | |
114 | ERR_print_errors(bio_err); | |
115 | return (0); | |
116 | } | |
117 | if (key_file == NULL) | |
118 | key_file = cert_file; | |
119 | if (SSL_CTX_use_PrivateKey_file(ctx, key_file, SSL_FILETYPE_PEM) <= 0) { | |
120 | BIO_printf(bio_err, "unable to get private key from '%s'\n", | |
121 | key_file); | |
122 | ERR_print_errors(bio_err); | |
123 | return (0); | |
124 | } | |
125 | ||
0f113f3e MC |
126 | /* |
127 | * If we are using DSA, we can copy the parameters from the private | |
128 | * key | |
129 | */ | |
130 | ||
131 | /* | |
132 | * Now we know that a key and cert have been set against the SSL | |
133 | * context | |
134 | */ | |
135 | if (!SSL_CTX_check_private_key(ctx)) { | |
136 | BIO_printf(bio_err, | |
137 | "Private key does not match the certificate public key\n"); | |
138 | return (0); | |
139 | } | |
140 | } | |
141 | return (1); | |
142 | } | |
d02b48c6 | 143 | |
fc6fc7ff | 144 | int set_cert_key_stuff(SSL_CTX *ctx, X509 *cert, EVP_PKEY *key, |
0f113f3e MC |
145 | STACK_OF(X509) *chain, int build_chain) |
146 | { | |
147 | int chflags = chain ? SSL_BUILD_CHAIN_FLAG_CHECK : 0; | |
148 | if (cert == NULL) | |
149 | return 1; | |
150 | if (SSL_CTX_use_certificate(ctx, cert) <= 0) { | |
151 | BIO_printf(bio_err, "error setting certificate\n"); | |
152 | ERR_print_errors(bio_err); | |
153 | return 0; | |
154 | } | |
155 | ||
156 | if (SSL_CTX_use_PrivateKey(ctx, key) <= 0) { | |
157 | BIO_printf(bio_err, "error setting private key\n"); | |
158 | ERR_print_errors(bio_err); | |
159 | return 0; | |
160 | } | |
161 | ||
162 | /* | |
163 | * Now we know that a key and cert have been set against the SSL context | |
164 | */ | |
165 | if (!SSL_CTX_check_private_key(ctx)) { | |
166 | BIO_printf(bio_err, | |
167 | "Private key does not match the certificate public key\n"); | |
168 | return 0; | |
169 | } | |
170 | if (chain && !SSL_CTX_set1_chain(ctx, chain)) { | |
171 | BIO_printf(bio_err, "error setting certificate chain\n"); | |
172 | ERR_print_errors(bio_err); | |
173 | return 0; | |
174 | } | |
175 | if (build_chain && !SSL_CTX_build_cert_chain(ctx, chflags)) { | |
176 | BIO_printf(bio_err, "error building certificate chain\n"); | |
177 | ERR_print_errors(bio_err); | |
178 | return 0; | |
179 | } | |
180 | return 1; | |
181 | } | |
826a42a0 | 182 | |
3e8e688f RS |
183 | static STRINT_PAIR cert_type_list[] = { |
184 | {"RSA sign", TLS_CT_RSA_SIGN}, | |
185 | {"DSA sign", TLS_CT_DSS_SIGN}, | |
186 | {"RSA fixed DH", TLS_CT_RSA_FIXED_DH}, | |
187 | {"DSS fixed DH", TLS_CT_DSS_FIXED_DH}, | |
188 | {"ECDSA sign", TLS_CT_ECDSA_SIGN}, | |
189 | {"RSA fixed ECDH", TLS_CT_RSA_FIXED_ECDH}, | |
190 | {"ECDSA fixed ECDH", TLS_CT_ECDSA_FIXED_ECDH}, | |
3e8e688f RS |
191 | {"GOST01 Sign", TLS_CT_GOST01_SIGN}, |
192 | {NULL} | |
193 | }; | |
194 | ||
9f27b1ee | 195 | static void ssl_print_client_cert_types(BIO *bio, SSL *s) |
0f113f3e MC |
196 | { |
197 | const unsigned char *p; | |
198 | int i; | |
199 | int cert_type_num = SSL_get0_certificate_types(s, &p); | |
200 | if (!cert_type_num) | |
201 | return; | |
202 | BIO_puts(bio, "Client Certificate Types: "); | |
203 | for (i = 0; i < cert_type_num; i++) { | |
204 | unsigned char cert_type = p[i]; | |
3e8e688f | 205 | const char *cname = lookup((int)cert_type, cert_type_list, NULL); |
0f113f3e MC |
206 | |
207 | if (i) | |
208 | BIO_puts(bio, ", "); | |
0f113f3e MC |
209 | if (cname) |
210 | BIO_puts(bio, cname); | |
211 | else | |
212 | BIO_printf(bio, "UNKNOWN (%d),", cert_type); | |
213 | } | |
214 | BIO_puts(bio, "\n"); | |
215 | } | |
9f27b1ee | 216 | |
42ef7aea DSH |
217 | static const char *get_sigtype(int nid) |
218 | { | |
219 | switch (nid) { | |
220 | case EVP_PKEY_RSA: | |
221 | return "RSA"; | |
222 | ||
223 | case EVP_PKEY_RSA_PSS: | |
224 | return "RSA-PSS"; | |
225 | ||
226 | case EVP_PKEY_DSA: | |
227 | return "DSA"; | |
228 | ||
229 | case EVP_PKEY_EC: | |
230 | return "ECDSA"; | |
231 | ||
232 | default: | |
233 | return NULL; | |
234 | } | |
235 | } | |
236 | ||
9f27b1ee | 237 | static int do_print_sigalgs(BIO *out, SSL *s, int shared) |
0f113f3e MC |
238 | { |
239 | int i, nsig, client; | |
240 | client = SSL_is_server(s) ? 0 : 1; | |
241 | if (shared) | |
6d047e06 | 242 | nsig = SSL_get_shared_sigalgs(s, 0, NULL, NULL, NULL, NULL, NULL); |
0f113f3e MC |
243 | else |
244 | nsig = SSL_get_sigalgs(s, -1, NULL, NULL, NULL, NULL, NULL); | |
245 | if (nsig == 0) | |
246 | return 1; | |
247 | ||
248 | if (shared) | |
249 | BIO_puts(out, "Shared "); | |
250 | ||
251 | if (client) | |
252 | BIO_puts(out, "Requested "); | |
253 | BIO_puts(out, "Signature Algorithms: "); | |
254 | for (i = 0; i < nsig; i++) { | |
255 | int hash_nid, sign_nid; | |
256 | unsigned char rhash, rsign; | |
257 | const char *sstr = NULL; | |
258 | if (shared) | |
259 | SSL_get_shared_sigalgs(s, i, &sign_nid, &hash_nid, NULL, | |
260 | &rsign, &rhash); | |
261 | else | |
262 | SSL_get_sigalgs(s, i, &sign_nid, &hash_nid, NULL, &rsign, &rhash); | |
263 | if (i) | |
264 | BIO_puts(out, ":"); | |
91410d40 | 265 | sstr = get_sigtype(sign_nid); |
0f113f3e MC |
266 | if (sstr) |
267 | BIO_printf(out, "%s+", sstr); | |
268 | else | |
269 | BIO_printf(out, "0x%02X+", (int)rsign); | |
270 | if (hash_nid != NID_undef) | |
271 | BIO_printf(out, "%s", OBJ_nid2sn(hash_nid)); | |
272 | else | |
273 | BIO_printf(out, "0x%02X", (int)rhash); | |
274 | } | |
275 | BIO_puts(out, "\n"); | |
276 | return 1; | |
277 | } | |
e7f8ff43 | 278 | |
9f27b1ee | 279 | int ssl_print_sigalgs(BIO *out, SSL *s) |
0f113f3e | 280 | { |
42ef7aea | 281 | int nid; |
0f113f3e MC |
282 | if (!SSL_is_server(s)) |
283 | ssl_print_client_cert_types(out, s); | |
284 | do_print_sigalgs(out, s, 0); | |
285 | do_print_sigalgs(out, s, 1); | |
42ef7aea DSH |
286 | if (SSL_get_peer_signature_nid(s, &nid)) |
287 | BIO_printf(out, "Peer signing digest: %s\n", OBJ_nid2sn(nid)); | |
288 | if (SSL_get_peer_signature_type_nid(s, &nid)) | |
395f7c42 | 289 | BIO_printf(out, "Peer signature type: %s\n", get_sigtype(nid)); |
0f113f3e MC |
290 | return 1; |
291 | } | |
292 | ||
14536c8c | 293 | #ifndef OPENSSL_NO_EC |
20b431e3 | 294 | int ssl_print_point_formats(BIO *out, SSL *s) |
0f113f3e MC |
295 | { |
296 | int i, nformats; | |
297 | const char *pformats; | |
298 | nformats = SSL_get0_ec_point_formats(s, &pformats); | |
299 | if (nformats <= 0) | |
300 | return 1; | |
301 | BIO_puts(out, "Supported Elliptic Curve Point Formats: "); | |
302 | for (i = 0; i < nformats; i++, pformats++) { | |
303 | if (i) | |
304 | BIO_puts(out, ":"); | |
305 | switch (*pformats) { | |
306 | case TLSEXT_ECPOINTFORMAT_uncompressed: | |
307 | BIO_puts(out, "uncompressed"); | |
308 | break; | |
309 | ||
310 | case TLSEXT_ECPOINTFORMAT_ansiX962_compressed_prime: | |
311 | BIO_puts(out, "ansiX962_compressed_prime"); | |
312 | break; | |
313 | ||
314 | case TLSEXT_ECPOINTFORMAT_ansiX962_compressed_char2: | |
315 | BIO_puts(out, "ansiX962_compressed_char2"); | |
316 | break; | |
317 | ||
318 | default: | |
319 | BIO_printf(out, "unknown(%d)", (int)*pformats); | |
320 | break; | |
321 | ||
322 | } | |
323 | } | |
0f113f3e MC |
324 | BIO_puts(out, "\n"); |
325 | return 1; | |
326 | } | |
20b431e3 | 327 | |
de4d764e | 328 | int ssl_print_groups(BIO *out, SSL *s, int noshared) |
0f113f3e | 329 | { |
de4d764e MC |
330 | int i, ngroups, *groups, nid; |
331 | const char *gname; | |
7e1b7485 | 332 | |
de4d764e MC |
333 | ngroups = SSL_get1_groups(s, NULL); |
334 | if (ngroups <= 0) | |
0f113f3e | 335 | return 1; |
de4d764e MC |
336 | groups = app_malloc(ngroups * sizeof(int), "groups to print"); |
337 | SSL_get1_groups(s, groups); | |
0f113f3e | 338 | |
de4d764e MC |
339 | BIO_puts(out, "Supported Elliptic Groups: "); |
340 | for (i = 0; i < ngroups; i++) { | |
0f113f3e MC |
341 | if (i) |
342 | BIO_puts(out, ":"); | |
de4d764e | 343 | nid = groups[i]; |
0f113f3e MC |
344 | /* If unrecognised print out hex version */ |
345 | if (nid & TLSEXT_nid_unknown) | |
346 | BIO_printf(out, "0x%04X", nid & 0xFFFF); | |
347 | else { | |
de4d764e | 348 | /* TODO(TLS1.3): Get group name here */ |
0f113f3e | 349 | /* Use NIST name for curve if it exists */ |
de4d764e MC |
350 | gname = EC_curve_nid2nist(nid); |
351 | if (!gname) | |
352 | gname = OBJ_nid2sn(nid); | |
353 | BIO_printf(out, "%s", gname); | |
0f113f3e MC |
354 | } |
355 | } | |
de4d764e | 356 | OPENSSL_free(groups); |
0f113f3e MC |
357 | if (noshared) { |
358 | BIO_puts(out, "\n"); | |
359 | return 1; | |
360 | } | |
de4d764e MC |
361 | BIO_puts(out, "\nShared Elliptic groups: "); |
362 | ngroups = SSL_get_shared_group(s, -1); | |
363 | for (i = 0; i < ngroups; i++) { | |
0f113f3e MC |
364 | if (i) |
365 | BIO_puts(out, ":"); | |
de4d764e MC |
366 | nid = SSL_get_shared_group(s, i); |
367 | /* TODO(TLS1.3): Convert for DH groups */ | |
368 | gname = EC_curve_nid2nist(nid); | |
369 | if (!gname) | |
370 | gname = OBJ_nid2sn(nid); | |
371 | BIO_printf(out, "%s", gname); | |
0f113f3e | 372 | } |
de4d764e | 373 | if (ngroups == 0) |
0f113f3e MC |
374 | BIO_puts(out, "NONE"); |
375 | BIO_puts(out, "\n"); | |
376 | return 1; | |
377 | } | |
14536c8c | 378 | #endif |
33a8de69 | 379 | int ssl_print_tmp_key(BIO *out, SSL *s) |
0f113f3e MC |
380 | { |
381 | EVP_PKEY *key; | |
382 | if (!SSL_get_server_tmp_key(s, &key)) | |
383 | return 1; | |
384 | BIO_puts(out, "Server Temp Key: "); | |
385 | switch (EVP_PKEY_id(key)) { | |
386 | case EVP_PKEY_RSA: | |
387 | BIO_printf(out, "RSA, %d bits\n", EVP_PKEY_bits(key)); | |
388 | break; | |
389 | ||
390 | case EVP_PKEY_DH: | |
391 | BIO_printf(out, "DH, %d bits\n", EVP_PKEY_bits(key)); | |
392 | break; | |
10bf4fc2 | 393 | #ifndef OPENSSL_NO_EC |
0f113f3e MC |
394 | case EVP_PKEY_EC: |
395 | { | |
396 | EC_KEY *ec = EVP_PKEY_get1_EC_KEY(key); | |
397 | int nid; | |
398 | const char *cname; | |
399 | nid = EC_GROUP_get_curve_name(EC_KEY_get0_group(ec)); | |
400 | EC_KEY_free(ec); | |
401 | cname = EC_curve_nid2nist(nid); | |
402 | if (!cname) | |
403 | cname = OBJ_nid2sn(nid); | |
404 | BIO_printf(out, "ECDH, %s, %d bits\n", cname, EVP_PKEY_bits(key)); | |
405 | } | |
23143e4d | 406 | break; |
14536c8c | 407 | #endif |
23143e4d DSH |
408 | default: |
409 | BIO_printf(out, "%s, %d bits\n", OBJ_nid2sn(EVP_PKEY_id(key)), | |
410 | EVP_PKEY_bits(key)); | |
0f113f3e MC |
411 | } |
412 | EVP_PKEY_free(key); | |
413 | return 1; | |
414 | } | |
e7f8ff43 | 415 | |
6d23cf97 | 416 | long bio_dump_callback(BIO *bio, int cmd, const char *argp, |
0f113f3e MC |
417 | int argi, long argl, long ret) |
418 | { | |
419 | BIO *out; | |
420 | ||
421 | out = (BIO *)BIO_get_callback_arg(bio); | |
422 | if (out == NULL) | |
423 | return (ret); | |
424 | ||
425 | if (cmd == (BIO_CB_READ | BIO_CB_RETURN)) { | |
426 | BIO_printf(out, "read from %p [%p] (%lu bytes => %ld (0x%lX))\n", | |
50eadf2a | 427 | (void *)bio, (void *)argp, (unsigned long)argi, ret, ret); |
0f113f3e MC |
428 | BIO_dump(out, argp, (int)ret); |
429 | return (ret); | |
430 | } else if (cmd == (BIO_CB_WRITE | BIO_CB_RETURN)) { | |
431 | BIO_printf(out, "write to %p [%p] (%lu bytes => %ld (0x%lX))\n", | |
50eadf2a | 432 | (void *)bio, (void *)argp, (unsigned long)argi, ret, ret); |
0f113f3e MC |
433 | BIO_dump(out, argp, (int)ret); |
434 | } | |
435 | return (ret); | |
436 | } | |
d02b48c6 | 437 | |
6d23cf97 | 438 | void apps_ssl_info_callback(const SSL *s, int where, int ret) |
0f113f3e MC |
439 | { |
440 | const char *str; | |
441 | int w; | |
442 | ||
443 | w = where & ~SSL_ST_MASK; | |
444 | ||
445 | if (w & SSL_ST_CONNECT) | |
446 | str = "SSL_connect"; | |
447 | else if (w & SSL_ST_ACCEPT) | |
448 | str = "SSL_accept"; | |
449 | else | |
450 | str = "undefined"; | |
451 | ||
452 | if (where & SSL_CB_LOOP) { | |
453 | BIO_printf(bio_err, "%s:%s\n", str, SSL_state_string_long(s)); | |
454 | } else if (where & SSL_CB_ALERT) { | |
455 | str = (where & SSL_CB_READ) ? "read" : "write"; | |
456 | BIO_printf(bio_err, "SSL3 alert %s:%s:%s\n", | |
457 | str, | |
458 | SSL_alert_type_string_long(ret), | |
459 | SSL_alert_desc_string_long(ret)); | |
460 | } else if (where & SSL_CB_EXIT) { | |
461 | if (ret == 0) | |
462 | BIO_printf(bio_err, "%s:failed in %s\n", | |
463 | str, SSL_state_string_long(s)); | |
464 | else if (ret < 0) { | |
465 | BIO_printf(bio_err, "%s:error in %s\n", | |
466 | str, SSL_state_string_long(s)); | |
467 | } | |
468 | } | |
469 | } | |
d02b48c6 | 470 | |
3e8e688f RS |
471 | static STRINT_PAIR ssl_versions[] = { |
472 | {"SSL 3.0", SSL3_VERSION}, | |
473 | {"TLS 1.0", TLS1_VERSION}, | |
474 | {"TLS 1.1", TLS1_1_VERSION}, | |
475 | {"TLS 1.2", TLS1_2_VERSION}, | |
582a17d6 | 476 | {"TLS 1.3", TLS1_3_VERSION}, |
3e8e688f RS |
477 | {"DTLS 1.0", DTLS1_VERSION}, |
478 | {"DTLS 1.0 (bad)", DTLS1_BAD_VER}, | |
479 | {NULL} | |
480 | }; | |
481 | static STRINT_PAIR alert_types[] = { | |
482 | {" close_notify", 0}, | |
b35fb005 | 483 | {" end_of_early_data", 1}, |
3e8e688f RS |
484 | {" unexpected_message", 10}, |
485 | {" bad_record_mac", 20}, | |
486 | {" decryption_failed", 21}, | |
487 | {" record_overflow", 22}, | |
488 | {" decompression_failure", 30}, | |
489 | {" handshake_failure", 40}, | |
490 | {" bad_certificate", 42}, | |
491 | {" unsupported_certificate", 43}, | |
492 | {" certificate_revoked", 44}, | |
493 | {" certificate_expired", 45}, | |
494 | {" certificate_unknown", 46}, | |
495 | {" illegal_parameter", 47}, | |
496 | {" unknown_ca", 48}, | |
497 | {" access_denied", 49}, | |
498 | {" decode_error", 50}, | |
499 | {" decrypt_error", 51}, | |
500 | {" export_restriction", 60}, | |
501 | {" protocol_version", 70}, | |
502 | {" insufficient_security", 71}, | |
503 | {" internal_error", 80}, | |
b35fb005 | 504 | {" inappropriate_fallback", 86}, |
3e8e688f RS |
505 | {" user_canceled", 90}, |
506 | {" no_renegotiation", 100}, | |
b35fb005 | 507 | {" missing_extension", 109}, |
3e8e688f RS |
508 | {" unsupported_extension", 110}, |
509 | {" certificate_unobtainable", 111}, | |
510 | {" unrecognized_name", 112}, | |
511 | {" bad_certificate_status_response", 113}, | |
512 | {" bad_certificate_hash_value", 114}, | |
513 | {" unknown_psk_identity", 115}, | |
b35fb005 | 514 | {" certificate_required", 116}, |
3e8e688f RS |
515 | {NULL} |
516 | }; | |
517 | ||
518 | static STRINT_PAIR handshakes[] = { | |
07518cfb TS |
519 | {", HelloRequest", SSL3_MT_HELLO_REQUEST}, |
520 | {", ClientHello", SSL3_MT_CLIENT_HELLO}, | |
521 | {", ServerHello", SSL3_MT_SERVER_HELLO}, | |
522 | {", HelloVerifyRequest", DTLS1_MT_HELLO_VERIFY_REQUEST}, | |
523 | {", NewSessionTicket", SSL3_MT_NEWSESSION_TICKET}, | |
524 | {", EndOfEarlyData", SSL3_MT_END_OF_EARLY_DATA}, | |
525 | {", HelloRetryRequest", SSL3_MT_HELLO_RETRY_REQUEST}, | |
526 | {", EncryptedExtensions", SSL3_MT_ENCRYPTED_EXTENSIONS}, | |
527 | {", Certificate", SSL3_MT_CERTIFICATE}, | |
528 | {", ServerKeyExchange", SSL3_MT_SERVER_KEY_EXCHANGE}, | |
529 | {", CertificateRequest", SSL3_MT_CERTIFICATE_REQUEST}, | |
530 | {", ServerHelloDone", SSL3_MT_SERVER_DONE}, | |
531 | {", CertificateVerify", SSL3_MT_CERTIFICATE_VERIFY}, | |
532 | {", ClientKeyExchange", SSL3_MT_CLIENT_KEY_EXCHANGE}, | |
533 | {", Finished", SSL3_MT_FINISHED}, | |
7429b398 | 534 | {", CertificateUrl", 21}, |
07518cfb | 535 | {", CertificateStatus", SSL3_MT_CERTIFICATE_STATUS}, |
7429b398 | 536 | {", SupplementalData", 23}, |
07518cfb TS |
537 | {", KeyUpdate", SSL3_MT_KEY_UPDATE}, |
538 | #ifndef OPENSSL_NO_NEXTPROTONEG | |
539 | {", NextProto", SSL3_MT_NEXT_PROTO}, | |
540 | #endif | |
541 | {", MessageHash", SSL3_MT_MESSAGE_HASH}, | |
3e8e688f RS |
542 | {NULL} |
543 | }; | |
0f113f3e MC |
544 | |
545 | void msg_cb(int write_p, int version, int content_type, const void *buf, | |
546 | size_t len, SSL *ssl, void *arg) | |
547 | { | |
548 | BIO *bio = arg; | |
3e8e688f RS |
549 | const char *str_write_p = write_p ? ">>>" : "<<<"; |
550 | const char *str_version = lookup(version, ssl_versions, "???"); | |
551 | const char *str_content_type = "", *str_details1 = "", *str_details2 = ""; | |
552 | const unsigned char* bp = buf; | |
0f113f3e MC |
553 | |
554 | if (version == SSL3_VERSION || | |
555 | version == TLS1_VERSION || | |
556 | version == TLS1_1_VERSION || | |
557 | version == TLS1_2_VERSION || | |
582a17d6 | 558 | version == TLS1_3_VERSION || |
0f113f3e MC |
559 | version == DTLS1_VERSION || version == DTLS1_BAD_VER) { |
560 | switch (content_type) { | |
561 | case 20: | |
b35fb005 | 562 | str_content_type = ", ChangeCipherSpec"; |
0f113f3e MC |
563 | break; |
564 | case 21: | |
b35fb005 | 565 | str_content_type = ", Alert"; |
0f113f3e | 566 | str_details1 = ", ???"; |
0f113f3e | 567 | if (len == 2) { |
3e8e688f | 568 | switch (bp[0]) { |
0f113f3e MC |
569 | case 1: |
570 | str_details1 = ", warning"; | |
571 | break; | |
572 | case 2: | |
573 | str_details1 = ", fatal"; | |
574 | break; | |
575 | } | |
3e8e688f | 576 | str_details2 = lookup((int)bp[1], alert_types, " ???"); |
0f113f3e | 577 | } |
3e8e688f RS |
578 | break; |
579 | case 22: | |
b35fb005 | 580 | str_content_type = ", Handshake"; |
0f113f3e | 581 | str_details1 = "???"; |
3e8e688f RS |
582 | if (len > 0) |
583 | str_details1 = lookup((int)bp[0], handshakes, "???"); | |
584 | break; | |
7429b398 | 585 | case 23: |
b35fb005 | 586 | str_content_type = ", ApplicationData"; |
7429b398 | 587 | break; |
b612799a RL |
588 | #ifndef OPENSSL_NO_HEARTBEATS |
589 | case 24: | |
590 | str_details1 = ", Heartbeat"; | |
591 | ||
592 | if (len > 0) { | |
593 | switch (bp[0]) { | |
594 | case 1: | |
595 | str_details1 = ", HeartbeatRequest"; | |
596 | break; | |
597 | case 2: | |
598 | str_details1 = ", HeartbeatResponse"; | |
599 | break; | |
600 | } | |
601 | } | |
602 | break; | |
603 | #endif | |
3e8e688f | 604 | } |
0f113f3e | 605 | } |
a661b653 | 606 | |
0f113f3e MC |
607 | BIO_printf(bio, "%s %s%s [length %04lx]%s%s\n", str_write_p, str_version, |
608 | str_content_type, (unsigned long)len, str_details1, | |
609 | str_details2); | |
a661b653 | 610 | |
0f113f3e MC |
611 | if (len > 0) { |
612 | size_t num, i; | |
613 | ||
614 | BIO_printf(bio, " "); | |
615 | num = len; | |
0f113f3e MC |
616 | for (i = 0; i < num; i++) { |
617 | if (i % 16 == 0 && i > 0) | |
618 | BIO_printf(bio, "\n "); | |
619 | BIO_printf(bio, " %02x", ((const unsigned char *)buf)[i]); | |
620 | } | |
621 | if (i < len) | |
622 | BIO_printf(bio, " ..."); | |
623 | BIO_printf(bio, "\n"); | |
624 | } | |
625 | (void)BIO_flush(bio); | |
626 | } | |
6434abbf | 627 | |
3e8e688f RS |
628 | static STRINT_PAIR tlsext_types[] = { |
629 | {"server name", TLSEXT_TYPE_server_name}, | |
630 | {"max fragment length", TLSEXT_TYPE_max_fragment_length}, | |
631 | {"client certificate URL", TLSEXT_TYPE_client_certificate_url}, | |
632 | {"trusted CA keys", TLSEXT_TYPE_trusted_ca_keys}, | |
633 | {"truncated HMAC", TLSEXT_TYPE_truncated_hmac}, | |
634 | {"status request", TLSEXT_TYPE_status_request}, | |
635 | {"user mapping", TLSEXT_TYPE_user_mapping}, | |
636 | {"client authz", TLSEXT_TYPE_client_authz}, | |
637 | {"server authz", TLSEXT_TYPE_server_authz}, | |
638 | {"cert type", TLSEXT_TYPE_cert_type}, | |
de4d764e | 639 | {"supported_groups", TLSEXT_TYPE_supported_groups}, |
3e8e688f RS |
640 | {"EC point formats", TLSEXT_TYPE_ec_point_formats}, |
641 | {"SRP", TLSEXT_TYPE_srp}, | |
642 | {"signature algorithms", TLSEXT_TYPE_signature_algorithms}, | |
643 | {"use SRTP", TLSEXT_TYPE_use_srtp}, | |
b612799a | 644 | {"heartbeat", TLSEXT_TYPE_heartbeat}, |
3e8e688f RS |
645 | {"session ticket", TLSEXT_TYPE_session_ticket}, |
646 | {"renegotiation info", TLSEXT_TYPE_renegotiate}, | |
dd696a55 | 647 | {"signed certificate timestamps", TLSEXT_TYPE_signed_certificate_timestamp}, |
3e8e688f | 648 | {"TLS padding", TLSEXT_TYPE_padding}, |
15a40af2 | 649 | #ifdef TLSEXT_TYPE_next_proto_neg |
3e8e688f | 650 | {"next protocol", TLSEXT_TYPE_next_proto_neg}, |
15a40af2 | 651 | #endif |
5e3ff62c | 652 | #ifdef TLSEXT_TYPE_encrypt_then_mac |
3e8e688f | 653 | {"encrypt-then-mac", TLSEXT_TYPE_encrypt_then_mac}, |
5e3ff62c | 654 | #endif |
b48357d9 AG |
655 | #ifdef TLSEXT_TYPE_application_layer_protocol_negotiation |
656 | {"application layer protocol negotiation", | |
657 | TLSEXT_TYPE_application_layer_protocol_negotiation}, | |
fecd04e9 AG |
658 | #endif |
659 | #ifdef TLSEXT_TYPE_extended_master_secret | |
660 | {"extended master secret", TLSEXT_TYPE_extended_master_secret}, | |
b48357d9 | 661 | #endif |
3578020b DSH |
662 | {"key share", TLSEXT_TYPE_key_share}, |
663 | {"supported versions", TLSEXT_TYPE_supported_versions}, | |
664 | {"psk", TLSEXT_TYPE_psk}, | |
665 | {"psk kex modes", TLSEXT_TYPE_psk_kex_modes}, | |
666 | {"certificate authorities", TLSEXT_TYPE_certificate_authorities}, | |
3e8e688f RS |
667 | {NULL} |
668 | }; | |
0f113f3e | 669 | |
3e8e688f | 670 | void tlsext_cb(SSL *s, int client_server, int type, |
b6981744 | 671 | const unsigned char *data, int len, void *arg) |
3e8e688f RS |
672 | { |
673 | BIO *bio = arg; | |
674 | const char *extname = lookup(type, tlsext_types, "unknown"); | |
0f113f3e MC |
675 | |
676 | BIO_printf(bio, "TLS %s extension \"%s\" (id=%d), len=%d\n", | |
677 | client_server ? "server" : "client", extname, type, len); | |
b6981744 | 678 | BIO_dump(bio, (const char *)data, len); |
0f113f3e MC |
679 | (void)BIO_flush(bio); |
680 | } | |
681 | ||
f9e55034 | 682 | #ifndef OPENSSL_NO_SOCK |
0f113f3e MC |
683 | int generate_cookie_callback(SSL *ssl, unsigned char *cookie, |
684 | unsigned int *cookie_len) | |
685 | { | |
87a595e5 | 686 | unsigned char *buffer; |
d858c876 RL |
687 | size_t length; |
688 | unsigned short port; | |
689 | BIO_ADDR *peer = NULL; | |
0f113f3e MC |
690 | |
691 | /* Initialize a random secret */ | |
692 | if (!cookie_initialized) { | |
266483d2 | 693 | if (RAND_bytes(cookie_secret, COOKIE_SECRET_LENGTH) <= 0) { |
0f113f3e MC |
694 | BIO_printf(bio_err, "error setting random cookie secret\n"); |
695 | return 0; | |
696 | } | |
697 | cookie_initialized = 1; | |
698 | } | |
699 | ||
d858c876 RL |
700 | peer = BIO_ADDR_new(); |
701 | if (peer == NULL) { | |
702 | BIO_printf(bio_err, "memory full\n"); | |
703 | return 0; | |
704 | } | |
705 | ||
0f113f3e | 706 | /* Read peer information */ |
d858c876 | 707 | (void)BIO_dgram_get_peer(SSL_get_rbio(ssl), peer); |
0f113f3e MC |
708 | |
709 | /* Create buffer with peer's address and port */ | |
d858c876 RL |
710 | BIO_ADDR_rawaddress(peer, NULL, &length); |
711 | OPENSSL_assert(length != 0); | |
712 | port = BIO_ADDR_rawport(peer); | |
713 | length += sizeof(port); | |
68dc6824 | 714 | buffer = app_malloc(length, "cookie generate buffer"); |
0f113f3e | 715 | |
d858c876 RL |
716 | memcpy(buffer, &port, sizeof(port)); |
717 | BIO_ADDR_rawaddress(peer, buffer + sizeof(port), NULL); | |
0f113f3e MC |
718 | |
719 | /* Calculate HMAC of buffer using the secret */ | |
720 | HMAC(EVP_sha1(), cookie_secret, COOKIE_SECRET_LENGTH, | |
87a595e5 | 721 | buffer, length, cookie, cookie_len); |
d858c876 | 722 | |
0f113f3e | 723 | OPENSSL_free(buffer); |
d858c876 | 724 | BIO_ADDR_free(peer); |
0f113f3e | 725 | |
0f113f3e MC |
726 | return 1; |
727 | } | |
728 | ||
31011544 | 729 | int verify_cookie_callback(SSL *ssl, const unsigned char *cookie, |
0f113f3e MC |
730 | unsigned int cookie_len) |
731 | { | |
87a595e5 RL |
732 | unsigned char result[EVP_MAX_MD_SIZE]; |
733 | unsigned int resultlength; | |
734 | ||
735 | /* Note: we check cookie_initialized because if it's not, | |
736 | * it cannot be valid */ | |
737 | if (cookie_initialized | |
738 | && generate_cookie_callback(ssl, result, &resultlength) | |
739 | && cookie_len == resultlength | |
0f113f3e MC |
740 | && memcmp(result, cookie, resultlength) == 0) |
741 | return 1; | |
742 | ||
743 | return 0; | |
744 | } | |
f9e55034 | 745 | #endif |
0f113f3e MC |
746 | |
747 | /* | |
748 | * Example of extended certificate handling. Where the standard support of | |
749 | * one certificate per algorithm is not sufficient an application can decide | |
750 | * which certificate(s) to use at runtime based on whatever criteria it deems | |
751 | * appropriate. | |
18d71588 DSH |
752 | */ |
753 | ||
754 | /* Linked list of certificates, keys and chains */ | |
0f113f3e MC |
755 | struct ssl_excert_st { |
756 | int certform; | |
757 | const char *certfile; | |
758 | int keyform; | |
759 | const char *keyfile; | |
760 | const char *chainfile; | |
761 | X509 *cert; | |
762 | EVP_PKEY *key; | |
763 | STACK_OF(X509) *chain; | |
764 | int build_chain; | |
765 | struct ssl_excert_st *next, *prev; | |
766 | }; | |
767 | ||
3e8e688f RS |
768 | static STRINT_PAIR chain_flags[] = { |
769 | {"Overall Validity", CERT_PKEY_VALID}, | |
770 | {"Sign with EE key", CERT_PKEY_SIGN}, | |
771 | {"EE signature", CERT_PKEY_EE_SIGNATURE}, | |
772 | {"CA signature", CERT_PKEY_CA_SIGNATURE}, | |
773 | {"EE key parameters", CERT_PKEY_EE_PARAM}, | |
774 | {"CA key parameters", CERT_PKEY_CA_PARAM}, | |
0d4fb843 | 775 | {"Explicitly sign with EE key", CERT_PKEY_EXPLICIT_SIGN}, |
3e8e688f RS |
776 | {"Issuer Name", CERT_PKEY_ISSUER_NAME}, |
777 | {"Certificate Type", CERT_PKEY_CERT_TYPE}, | |
778 | {NULL} | |
0f113f3e | 779 | }; |
6dbb6219 | 780 | |
ecf3a1fb | 781 | static void print_chain_flags(SSL *s, int flags) |
0f113f3e | 782 | { |
3e8e688f | 783 | STRINT_PAIR *pp; |
ecf3a1fb | 784 | |
3e8e688f RS |
785 | for (pp = chain_flags; pp->name; ++pp) |
786 | BIO_printf(bio_err, "\t%s: %s\n", | |
787 | pp->name, | |
788 | (flags & pp->retval) ? "OK" : "NOT OK"); | |
ecf3a1fb | 789 | BIO_printf(bio_err, "\tSuite B: "); |
0f113f3e | 790 | if (SSL_set_cert_flags(s, 0) & SSL_CERT_FLAG_SUITEB_128_LOS) |
ecf3a1fb | 791 | BIO_puts(bio_err, flags & CERT_PKEY_SUITEB ? "OK\n" : "NOT OK\n"); |
0f113f3e | 792 | else |
ecf3a1fb | 793 | BIO_printf(bio_err, "not tested\n"); |
0f113f3e MC |
794 | } |
795 | ||
796 | /* | |
797 | * Very basic selection callback: just use any certificate chain reported as | |
798 | * valid. More sophisticated could prioritise according to local policy. | |
18d71588 DSH |
799 | */ |
800 | static int set_cert_cb(SSL *ssl, void *arg) | |
0f113f3e MC |
801 | { |
802 | int i, rv; | |
803 | SSL_EXCERT *exc = arg; | |
3323314f | 804 | #ifdef CERT_CB_TEST_RETRY |
0f113f3e MC |
805 | static int retry_cnt; |
806 | if (retry_cnt < 5) { | |
807 | retry_cnt++; | |
7768e116 RS |
808 | BIO_printf(bio_err, |
809 | "Certificate callback retry test: count %d\n", | |
810 | retry_cnt); | |
0f113f3e MC |
811 | return -1; |
812 | } | |
3323314f | 813 | #endif |
0f113f3e MC |
814 | SSL_certs_clear(ssl); |
815 | ||
816 | if (!exc) | |
817 | return 1; | |
818 | ||
819 | /* | |
820 | * Go to end of list and traverse backwards since we prepend newer | |
821 | * entries this retains the original order. | |
822 | */ | |
823 | while (exc->next) | |
824 | exc = exc->next; | |
825 | ||
826 | i = 0; | |
827 | ||
828 | while (exc) { | |
829 | i++; | |
830 | rv = SSL_check_chain(ssl, exc->cert, exc->key, exc->chain); | |
831 | BIO_printf(bio_err, "Checking cert chain %d:\nSubject: ", i); | |
832 | X509_NAME_print_ex(bio_err, X509_get_subject_name(exc->cert), 0, | |
b5c4209b | 833 | get_nameopt()); |
0f113f3e | 834 | BIO_puts(bio_err, "\n"); |
ecf3a1fb | 835 | print_chain_flags(ssl, rv); |
0f113f3e | 836 | if (rv & CERT_PKEY_VALID) { |
61986d32 | 837 | if (!SSL_use_certificate(ssl, exc->cert) |
7e1b7485 | 838 | || !SSL_use_PrivateKey(ssl, exc->key)) { |
ac59d705 MC |
839 | return 0; |
840 | } | |
0f113f3e MC |
841 | /* |
842 | * NB: we wouldn't normally do this as it is not efficient | |
843 | * building chains on each connection better to cache the chain | |
844 | * in advance. | |
845 | */ | |
846 | if (exc->build_chain) { | |
847 | if (!SSL_build_cert_chain(ssl, 0)) | |
848 | return 0; | |
849 | } else if (exc->chain) | |
850 | SSL_set1_chain(ssl, exc->chain); | |
851 | } | |
852 | exc = exc->prev; | |
853 | } | |
854 | return 1; | |
855 | } | |
18d71588 DSH |
856 | |
857 | void ssl_ctx_set_excert(SSL_CTX *ctx, SSL_EXCERT *exc) | |
0f113f3e MC |
858 | { |
859 | SSL_CTX_set_cert_cb(ctx, set_cert_cb, exc); | |
860 | } | |
18d71588 DSH |
861 | |
862 | static int ssl_excert_prepend(SSL_EXCERT **pexc) | |
0f113f3e | 863 | { |
b4faea50 | 864 | SSL_EXCERT *exc = app_malloc(sizeof(*exc), "prepend cert"); |
68dc6824 | 865 | |
64b25758 | 866 | memset(exc, 0, sizeof(*exc)); |
0f113f3e MC |
867 | |
868 | exc->next = *pexc; | |
869 | *pexc = exc; | |
870 | ||
871 | if (exc->next) { | |
872 | exc->certform = exc->next->certform; | |
873 | exc->keyform = exc->next->keyform; | |
874 | exc->next->prev = exc; | |
875 | } else { | |
876 | exc->certform = FORMAT_PEM; | |
877 | exc->keyform = FORMAT_PEM; | |
878 | } | |
879 | return 1; | |
880 | ||
881 | } | |
18d71588 DSH |
882 | |
883 | void ssl_excert_free(SSL_EXCERT *exc) | |
0f113f3e MC |
884 | { |
885 | SSL_EXCERT *curr; | |
25aaa98a RS |
886 | |
887 | if (!exc) | |
888 | return; | |
0f113f3e | 889 | while (exc) { |
222561fe | 890 | X509_free(exc->cert); |
c5ba2d99 | 891 | EVP_PKEY_free(exc->key); |
222561fe | 892 | sk_X509_pop_free(exc->chain, X509_free); |
0f113f3e MC |
893 | curr = exc; |
894 | exc = exc->next; | |
895 | OPENSSL_free(curr); | |
896 | } | |
897 | } | |
18d71588 | 898 | |
7e1b7485 | 899 | int load_excert(SSL_EXCERT **pexc) |
0f113f3e MC |
900 | { |
901 | SSL_EXCERT *exc = *pexc; | |
902 | if (!exc) | |
903 | return 1; | |
904 | /* If nothing in list, free and set to NULL */ | |
905 | if (!exc->certfile && !exc->next) { | |
906 | ssl_excert_free(exc); | |
907 | *pexc = NULL; | |
908 | return 1; | |
909 | } | |
910 | for (; exc; exc = exc->next) { | |
911 | if (!exc->certfile) { | |
7e1b7485 | 912 | BIO_printf(bio_err, "Missing filename\n"); |
0f113f3e MC |
913 | return 0; |
914 | } | |
7e1b7485 | 915 | exc->cert = load_cert(exc->certfile, exc->certform, |
a773b52a | 916 | "Server Certificate"); |
0f113f3e MC |
917 | if (!exc->cert) |
918 | return 0; | |
919 | if (exc->keyfile) { | |
7e1b7485 | 920 | exc->key = load_key(exc->keyfile, exc->keyform, |
0f113f3e MC |
921 | 0, NULL, NULL, "Server Key"); |
922 | } else { | |
7e1b7485 | 923 | exc->key = load_key(exc->certfile, exc->certform, |
0f113f3e MC |
924 | 0, NULL, NULL, "Server Key"); |
925 | } | |
926 | if (!exc->key) | |
927 | return 0; | |
928 | if (exc->chainfile) { | |
0996dc54 | 929 | if (!load_certs(exc->chainfile, &exc->chain, FORMAT_PEM, NULL, |
a773b52a | 930 | "Server Chain")) |
0f113f3e MC |
931 | return 0; |
932 | } | |
933 | } | |
934 | return 1; | |
935 | } | |
18d71588 | 936 | |
7e1b7485 RS |
937 | enum range { OPT_X_ENUM }; |
938 | ||
939 | int args_excert(int opt, SSL_EXCERT **pexc) | |
0f113f3e | 940 | { |
0f113f3e | 941 | SSL_EXCERT *exc = *pexc; |
7e1b7485 RS |
942 | |
943 | assert(opt > OPT_X__FIRST); | |
944 | assert(opt < OPT_X__LAST); | |
945 | ||
946 | if (exc == NULL) { | |
947 | if (!ssl_excert_prepend(&exc)) { | |
948 | BIO_printf(bio_err, " %s: Error initialising xcert\n", | |
949 | opt_getprog()); | |
0f113f3e MC |
950 | goto err; |
951 | } | |
7e1b7485 | 952 | *pexc = exc; |
0f113f3e | 953 | } |
7e1b7485 RS |
954 | |
955 | switch ((enum range)opt) { | |
956 | case OPT_X__FIRST: | |
957 | case OPT_X__LAST: | |
958 | return 0; | |
959 | case OPT_X_CERT: | |
0f113f3e | 960 | if (exc->certfile && !ssl_excert_prepend(&exc)) { |
7e1b7485 | 961 | BIO_printf(bio_err, "%s: Error adding xcert\n", opt_getprog()); |
0f113f3e MC |
962 | goto err; |
963 | } | |
52f4840c | 964 | *pexc = exc; |
7e1b7485 RS |
965 | exc->certfile = opt_arg(); |
966 | break; | |
967 | case OPT_X_KEY: | |
0f113f3e | 968 | if (exc->keyfile) { |
7e1b7485 | 969 | BIO_printf(bio_err, "%s: Key already specified\n", opt_getprog()); |
0f113f3e MC |
970 | goto err; |
971 | } | |
7e1b7485 RS |
972 | exc->keyfile = opt_arg(); |
973 | break; | |
974 | case OPT_X_CHAIN: | |
975 | if (exc->chainfile) { | |
976 | BIO_printf(bio_err, "%s: Chain already specified\n", | |
977 | opt_getprog()); | |
0f113f3e MC |
978 | goto err; |
979 | } | |
7e1b7485 RS |
980 | exc->chainfile = opt_arg(); |
981 | break; | |
982 | case OPT_X_CHAIN_BUILD: | |
983 | exc->build_chain = 1; | |
984 | break; | |
985 | case OPT_X_CERTFORM: | |
986 | if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &exc->certform)) | |
987 | return 0; | |
988 | break; | |
989 | case OPT_X_KEYFORM: | |
990 | if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &exc->keyform)) | |
991 | return 0; | |
992 | break; | |
993 | } | |
0f113f3e MC |
994 | return 1; |
995 | ||
996 | err: | |
7e1b7485 | 997 | ERR_print_errors(bio_err); |
25aaa98a | 998 | ssl_excert_free(exc); |
0f113f3e | 999 | *pexc = NULL; |
7e1b7485 | 1000 | return 0; |
0f113f3e | 1001 | } |
18d71588 | 1002 | |
ecf3a1fb | 1003 | static void print_raw_cipherlist(SSL *s) |
0f113f3e MC |
1004 | { |
1005 | const unsigned char *rlist; | |
800fe8e3 | 1006 | static const unsigned char scsv_id[] = { 0, 0xFF }; |
0f113f3e MC |
1007 | size_t i, rlistlen, num; |
1008 | if (!SSL_is_server(s)) | |
1009 | return; | |
1010 | num = SSL_get0_raw_cipherlist(s, NULL); | |
800fe8e3 | 1011 | OPENSSL_assert(num == 2); |
0f113f3e | 1012 | rlistlen = SSL_get0_raw_cipherlist(s, &rlist); |
ecf3a1fb | 1013 | BIO_puts(bio_err, "Client cipher list: "); |
0f113f3e MC |
1014 | for (i = 0; i < rlistlen; i += num, rlist += num) { |
1015 | const SSL_CIPHER *c = SSL_CIPHER_find(s, rlist); | |
1016 | if (i) | |
ecf3a1fb | 1017 | BIO_puts(bio_err, ":"); |
0f113f3e | 1018 | if (c) |
ecf3a1fb | 1019 | BIO_puts(bio_err, SSL_CIPHER_get_name(c)); |
800fe8e3 | 1020 | else if (!memcmp(rlist, scsv_id, num)) |
ecf3a1fb | 1021 | BIO_puts(bio_err, "SCSV"); |
0f113f3e MC |
1022 | else { |
1023 | size_t j; | |
ecf3a1fb | 1024 | BIO_puts(bio_err, "0x"); |
0f113f3e | 1025 | for (j = 0; j < num; j++) |
ecf3a1fb | 1026 | BIO_printf(bio_err, "%02X", rlist[j]); |
0f113f3e MC |
1027 | } |
1028 | } | |
ecf3a1fb | 1029 | BIO_puts(bio_err, "\n"); |
0f113f3e | 1030 | } |
2a7cbe77 | 1031 | |
c0a445a9 VD |
1032 | /* |
1033 | * Hex encoder for TLSA RRdata, not ':' delimited. | |
1034 | */ | |
1035 | static char *hexencode(const unsigned char *data, size_t len) | |
1036 | { | |
1037 | static const char *hex = "0123456789abcdef"; | |
1038 | char *out; | |
1039 | char *cp; | |
1040 | size_t outlen = 2 * len + 1; | |
1041 | int ilen = (int) outlen; | |
1042 | ||
1043 | if (outlen < len || ilen < 0 || outlen != (size_t)ilen) { | |
7d672984 AP |
1044 | BIO_printf(bio_err, "%s: %zu-byte buffer too large to hexencode\n", |
1045 | opt_getprog(), len); | |
c0a445a9 VD |
1046 | exit(1); |
1047 | } | |
1048 | cp = out = app_malloc(ilen, "TLSA hex data buffer"); | |
1049 | ||
b5f40eb2 | 1050 | while (len-- > 0) { |
c0a445a9 VD |
1051 | *cp++ = hex[(*data >> 4) & 0x0f]; |
1052 | *cp++ = hex[*data++ & 0x0f]; | |
1053 | } | |
1054 | *cp = '\0'; | |
1055 | return out; | |
1056 | } | |
1057 | ||
1058 | void print_verify_detail(SSL *s, BIO *bio) | |
1059 | { | |
1060 | int mdpth; | |
1061 | EVP_PKEY *mspki; | |
1062 | long verify_err = SSL_get_verify_result(s); | |
1063 | ||
1064 | if (verify_err == X509_V_OK) { | |
1065 | const char *peername = SSL_get0_peername(s); | |
1066 | ||
1067 | BIO_printf(bio, "Verification: OK\n"); | |
1068 | if (peername != NULL) | |
1069 | BIO_printf(bio, "Verified peername: %s\n", peername); | |
1070 | } else { | |
1071 | const char *reason = X509_verify_cert_error_string(verify_err); | |
1072 | ||
1073 | BIO_printf(bio, "Verification error: %s\n", reason); | |
1074 | } | |
1075 | ||
1076 | if ((mdpth = SSL_get0_dane_authority(s, NULL, &mspki)) >= 0) { | |
1077 | uint8_t usage, selector, mtype; | |
1078 | const unsigned char *data = NULL; | |
1079 | size_t dlen = 0; | |
1080 | char *hexdata; | |
1081 | ||
1082 | mdpth = SSL_get0_dane_tlsa(s, &usage, &selector, &mtype, &data, &dlen); | |
1083 | ||
1084 | /* | |
1085 | * The TLSA data field can be quite long when it is a certificate, | |
1086 | * public key or even a SHA2-512 digest. Because the initial octets of | |
1087 | * ASN.1 certificates and public keys contain mostly boilerplate OIDs | |
1088 | * and lengths, we show the last 12 bytes of the data instead, as these | |
1089 | * are more likely to distinguish distinct TLSA records. | |
1090 | */ | |
1091 | #define TLSA_TAIL_SIZE 12 | |
1092 | if (dlen > TLSA_TAIL_SIZE) | |
1093 | hexdata = hexencode(data + dlen - TLSA_TAIL_SIZE, TLSA_TAIL_SIZE); | |
1094 | else | |
1095 | hexdata = hexencode(data, dlen); | |
1096 | BIO_printf(bio, "DANE TLSA %d %d %d %s%s %s at depth %d\n", | |
1097 | usage, selector, mtype, | |
1098 | (dlen > TLSA_TAIL_SIZE) ? "..." : "", hexdata, | |
1099 | (mspki != NULL) ? "signed the certificate" : | |
1100 | mdpth ? "matched TA certificate" : "matched EE certificate", | |
1101 | mdpth); | |
1102 | OPENSSL_free(hexdata); | |
1103 | } | |
1104 | } | |
1105 | ||
ecf3a1fb | 1106 | void print_ssl_summary(SSL *s) |
0f113f3e MC |
1107 | { |
1108 | const SSL_CIPHER *c; | |
1109 | X509 *peer; | |
ecf3a1fb RS |
1110 | |
1111 | BIO_printf(bio_err, "Protocol version: %s\n", SSL_get_version(s)); | |
1112 | print_raw_cipherlist(s); | |
0f113f3e | 1113 | c = SSL_get_current_cipher(s); |
ecf3a1fb RS |
1114 | BIO_printf(bio_err, "Ciphersuite: %s\n", SSL_CIPHER_get_name(c)); |
1115 | do_print_sigalgs(bio_err, s, 0); | |
0f113f3e MC |
1116 | peer = SSL_get_peer_certificate(s); |
1117 | if (peer) { | |
1118 | int nid; | |
c0a445a9 | 1119 | |
ecf3a1fb RS |
1120 | BIO_puts(bio_err, "Peer certificate: "); |
1121 | X509_NAME_print_ex(bio_err, X509_get_subject_name(peer), | |
b5c4209b | 1122 | 0, get_nameopt()); |
ecf3a1fb | 1123 | BIO_puts(bio_err, "\n"); |
0f113f3e | 1124 | if (SSL_get_peer_signature_nid(s, &nid)) |
ecf3a1fb | 1125 | BIO_printf(bio_err, "Hash used: %s\n", OBJ_nid2sn(nid)); |
42ef7aea DSH |
1126 | if (SSL_get_peer_signature_type_nid(s, &nid)) |
1127 | BIO_printf(bio_err, "Signature type: %s\n", get_sigtype(nid)); | |
c0a445a9 | 1128 | print_verify_detail(s, bio_err); |
0f113f3e | 1129 | } else |
ecf3a1fb | 1130 | BIO_puts(bio_err, "No peer certificate\n"); |
222561fe | 1131 | X509_free(peer); |
14536c8c | 1132 | #ifndef OPENSSL_NO_EC |
ecf3a1fb | 1133 | ssl_print_point_formats(bio_err, s); |
0f113f3e | 1134 | if (SSL_is_server(s)) |
de4d764e | 1135 | ssl_print_groups(bio_err, s, 1); |
0f113f3e | 1136 | else |
ecf3a1fb | 1137 | ssl_print_tmp_key(bio_err, s); |
14536c8c | 1138 | #else |
0f113f3e | 1139 | if (!SSL_is_server(s)) |
ecf3a1fb | 1140 | ssl_print_tmp_key(bio_err, s); |
14536c8c | 1141 | #endif |
0f113f3e | 1142 | } |
2a7cbe77 | 1143 | |
7e1b7485 | 1144 | int config_ctx(SSL_CONF_CTX *cctx, STACK_OF(OPENSSL_STRING) *str, |
dba31777 | 1145 | SSL_CTX *ctx) |
0f113f3e MC |
1146 | { |
1147 | int i; | |
7e1b7485 | 1148 | |
0f113f3e MC |
1149 | SSL_CONF_CTX_set_ssl_ctx(cctx, ctx); |
1150 | for (i = 0; i < sk_OPENSSL_STRING_num(str); i += 2) { | |
7e1b7485 RS |
1151 | const char *flag = sk_OPENSSL_STRING_value(str, i); |
1152 | const char *arg = sk_OPENSSL_STRING_value(str, i + 1); | |
7e1b7485 RS |
1153 | if (SSL_CONF_cmd(cctx, flag, arg) <= 0) { |
1154 | if (arg) | |
1155 | BIO_printf(bio_err, "Error with command: \"%s %s\"\n", | |
1156 | flag, arg); | |
1157 | else | |
1158 | BIO_printf(bio_err, "Error with command: \"%s\"\n", flag); | |
1159 | ERR_print_errors(bio_err); | |
0f113f3e MC |
1160 | return 0; |
1161 | } | |
1162 | } | |
0f113f3e | 1163 | if (!SSL_CONF_CTX_finish(cctx)) { |
7e1b7485 RS |
1164 | BIO_puts(bio_err, "Error finishing context\n"); |
1165 | ERR_print_errors(bio_err); | |
0f113f3e MC |
1166 | return 0; |
1167 | } | |
1168 | return 1; | |
1169 | } | |
a5afc0a8 | 1170 | |
fdb78f3d | 1171 | static int add_crls_store(X509_STORE *st, STACK_OF(X509_CRL) *crls) |
0f113f3e MC |
1172 | { |
1173 | X509_CRL *crl; | |
1174 | int i; | |
1175 | for (i = 0; i < sk_X509_CRL_num(crls); i++) { | |
1176 | crl = sk_X509_CRL_value(crls, i); | |
1177 | X509_STORE_add_crl(st, crl); | |
1178 | } | |
1179 | return 1; | |
1180 | } | |
fdb78f3d | 1181 | |
0090a686 | 1182 | int ssl_ctx_add_crls(SSL_CTX *ctx, STACK_OF(X509_CRL) *crls, int crl_download) |
0f113f3e MC |
1183 | { |
1184 | X509_STORE *st; | |
1185 | st = SSL_CTX_get_cert_store(ctx); | |
1186 | add_crls_store(st, crls); | |
1187 | if (crl_download) | |
1188 | store_setup_crl_download(st); | |
1189 | return 1; | |
1190 | } | |
fdb78f3d | 1191 | |
a5afc0a8 | 1192 | int ssl_load_stores(SSL_CTX *ctx, |
0f113f3e MC |
1193 | const char *vfyCApath, const char *vfyCAfile, |
1194 | const char *chCApath, const char *chCAfile, | |
1195 | STACK_OF(X509_CRL) *crls, int crl_download) | |
1196 | { | |
1197 | X509_STORE *vfy = NULL, *ch = NULL; | |
1198 | int rv = 0; | |
96487cdd | 1199 | if (vfyCApath != NULL || vfyCAfile != NULL) { |
0f113f3e | 1200 | vfy = X509_STORE_new(); |
96487cdd MC |
1201 | if (vfy == NULL) |
1202 | goto err; | |
0f113f3e MC |
1203 | if (!X509_STORE_load_locations(vfy, vfyCAfile, vfyCApath)) |
1204 | goto err; | |
1205 | add_crls_store(vfy, crls); | |
1206 | SSL_CTX_set1_verify_cert_store(ctx, vfy); | |
1207 | if (crl_download) | |
1208 | store_setup_crl_download(vfy); | |
1209 | } | |
96487cdd | 1210 | if (chCApath != NULL || chCAfile != NULL) { |
0f113f3e | 1211 | ch = X509_STORE_new(); |
96487cdd MC |
1212 | if (ch == NULL) |
1213 | goto err; | |
0f113f3e MC |
1214 | if (!X509_STORE_load_locations(ch, chCAfile, chCApath)) |
1215 | goto err; | |
1216 | SSL_CTX_set1_chain_cert_store(ctx, ch); | |
1217 | } | |
1218 | rv = 1; | |
1219 | err: | |
222561fe RS |
1220 | X509_STORE_free(vfy); |
1221 | X509_STORE_free(ch); | |
0f113f3e MC |
1222 | return rv; |
1223 | } | |
e03c5b59 DSH |
1224 | |
1225 | /* Verbose print out of security callback */ | |
1226 | ||
0f113f3e MC |
1227 | typedef struct { |
1228 | BIO *out; | |
1229 | int verbose; | |
e4646a89 | 1230 | int (*old_cb) (const SSL *s, const SSL_CTX *ctx, int op, int bits, int nid, |
0f113f3e MC |
1231 | void *other, void *ex); |
1232 | } security_debug_ex; | |
e03c5b59 | 1233 | |
3e8e688f RS |
1234 | static STRINT_PAIR callback_types[] = { |
1235 | {"Supported Ciphersuite", SSL_SECOP_CIPHER_SUPPORTED}, | |
1236 | {"Shared Ciphersuite", SSL_SECOP_CIPHER_SHARED}, | |
1237 | {"Check Ciphersuite", SSL_SECOP_CIPHER_CHECK}, | |
1238 | #ifndef OPENSSL_NO_DH | |
1239 | {"Temp DH key bits", SSL_SECOP_TMP_DH}, | |
1240 | #endif | |
1241 | {"Supported Curve", SSL_SECOP_CURVE_SUPPORTED}, | |
1242 | {"Shared Curve", SSL_SECOP_CURVE_SHARED}, | |
1243 | {"Check Curve", SSL_SECOP_CURVE_CHECK}, | |
1244 | {"Supported Signature Algorithm digest", SSL_SECOP_SIGALG_SUPPORTED}, | |
1245 | {"Shared Signature Algorithm digest", SSL_SECOP_SIGALG_SHARED}, | |
1246 | {"Check Signature Algorithm digest", SSL_SECOP_SIGALG_CHECK}, | |
1247 | {"Signature Algorithm mask", SSL_SECOP_SIGALG_MASK}, | |
1248 | {"Certificate chain EE key", SSL_SECOP_EE_KEY}, | |
1249 | {"Certificate chain CA key", SSL_SECOP_CA_KEY}, | |
1250 | {"Peer Chain EE key", SSL_SECOP_PEER_EE_KEY}, | |
1251 | {"Peer Chain CA key", SSL_SECOP_PEER_CA_KEY}, | |
1252 | {"Certificate chain CA digest", SSL_SECOP_CA_MD}, | |
1253 | {"Peer chain CA digest", SSL_SECOP_PEER_CA_MD}, | |
1254 | {"SSL compression", SSL_SECOP_COMPRESSION}, | |
1255 | {"Session ticket", SSL_SECOP_TICKET}, | |
1256 | {NULL} | |
1257 | }; | |
1258 | ||
e4646a89 | 1259 | static int security_callback_debug(const SSL *s, const SSL_CTX *ctx, |
0f113f3e MC |
1260 | int op, int bits, int nid, |
1261 | void *other, void *ex) | |
1262 | { | |
1263 | security_debug_ex *sdb = ex; | |
1264 | int rv, show_bits = 1, cert_md = 0; | |
1265 | const char *nm; | |
1266 | rv = sdb->old_cb(s, ctx, op, bits, nid, other, ex); | |
1267 | if (rv == 1 && sdb->verbose < 2) | |
1268 | return 1; | |
1269 | BIO_puts(sdb->out, "Security callback: "); | |
1270 | ||
3e8e688f | 1271 | nm = lookup(op, callback_types, NULL); |
0f113f3e | 1272 | switch (op) { |
0f113f3e | 1273 | case SSL_SECOP_TICKET: |
0f113f3e | 1274 | case SSL_SECOP_COMPRESSION: |
0f113f3e MC |
1275 | show_bits = 0; |
1276 | nm = NULL; | |
1277 | break; | |
0f113f3e | 1278 | case SSL_SECOP_VERSION: |
3e8e688f | 1279 | BIO_printf(sdb->out, "Version=%s", lookup(nid, ssl_versions, "???")); |
0f113f3e MC |
1280 | show_bits = 0; |
1281 | nm = NULL; | |
1282 | break; | |
0f113f3e | 1283 | case SSL_SECOP_CA_MD: |
0f113f3e MC |
1284 | case SSL_SECOP_PEER_CA_MD: |
1285 | cert_md = 1; | |
0f113f3e | 1286 | break; |
0f113f3e MC |
1287 | } |
1288 | if (nm) | |
1289 | BIO_printf(sdb->out, "%s=", nm); | |
1290 | ||
1291 | switch (op & SSL_SECOP_OTHER_TYPE) { | |
1292 | ||
1293 | case SSL_SECOP_OTHER_CIPHER: | |
1294 | BIO_puts(sdb->out, SSL_CIPHER_get_name(other)); | |
1295 | break; | |
e03c5b59 | 1296 | |
fd86c2b1 | 1297 | #ifndef OPENSSL_NO_EC |
0f113f3e MC |
1298 | case SSL_SECOP_OTHER_CURVE: |
1299 | { | |
1300 | const char *cname; | |
1301 | cname = EC_curve_nid2nist(nid); | |
1302 | if (cname == NULL) | |
1303 | cname = OBJ_nid2sn(nid); | |
1304 | BIO_puts(sdb->out, cname); | |
1305 | } | |
1306 | break; | |
fd86c2b1 | 1307 | #endif |
37f3a3b3 | 1308 | #ifndef OPENSSL_NO_DH |
0f113f3e MC |
1309 | case SSL_SECOP_OTHER_DH: |
1310 | { | |
1311 | DH *dh = other; | |
0aeddcfa | 1312 | BIO_printf(sdb->out, "%d", DH_bits(dh)); |
0f113f3e MC |
1313 | break; |
1314 | } | |
37f3a3b3 | 1315 | #endif |
0f113f3e MC |
1316 | case SSL_SECOP_OTHER_CERT: |
1317 | { | |
1318 | if (cert_md) { | |
1319 | int sig_nid = X509_get_signature_nid(other); | |
1320 | BIO_puts(sdb->out, OBJ_nid2sn(sig_nid)); | |
1321 | } else { | |
c01ff880 | 1322 | EVP_PKEY *pkey = X509_get0_pubkey(other); |
0f113f3e MC |
1323 | const char *algname = ""; |
1324 | EVP_PKEY_asn1_get0_info(NULL, NULL, NULL, NULL, | |
1325 | &algname, EVP_PKEY_get0_asn1(pkey)); | |
1326 | BIO_printf(sdb->out, "%s, bits=%d", | |
1327 | algname, EVP_PKEY_bits(pkey)); | |
0f113f3e MC |
1328 | } |
1329 | break; | |
1330 | } | |
1331 | case SSL_SECOP_OTHER_SIGALG: | |
1332 | { | |
1333 | const unsigned char *salg = other; | |
1334 | const char *sname = NULL; | |
1335 | switch (salg[1]) { | |
1336 | case TLSEXT_signature_anonymous: | |
1337 | sname = "anonymous"; | |
1338 | break; | |
1339 | case TLSEXT_signature_rsa: | |
1340 | sname = "RSA"; | |
1341 | break; | |
1342 | case TLSEXT_signature_dsa: | |
1343 | sname = "DSA"; | |
1344 | break; | |
1345 | case TLSEXT_signature_ecdsa: | |
1346 | sname = "ECDSA"; | |
1347 | break; | |
1348 | } | |
1349 | ||
1350 | BIO_puts(sdb->out, OBJ_nid2sn(nid)); | |
1351 | if (sname) | |
1352 | BIO_printf(sdb->out, ", algorithm=%s", sname); | |
1353 | else | |
1354 | BIO_printf(sdb->out, ", algid=%d", salg[1]); | |
1355 | break; | |
1356 | } | |
1357 | ||
1358 | } | |
1359 | ||
1360 | if (show_bits) | |
1361 | BIO_printf(sdb->out, ", security bits=%d", bits); | |
1362 | BIO_printf(sdb->out, ": %s\n", rv ? "yes" : "no"); | |
1363 | return rv; | |
1364 | } | |
e03c5b59 | 1365 | |
ecf3a1fb | 1366 | void ssl_ctx_security_debug(SSL_CTX *ctx, int verbose) |
0f113f3e MC |
1367 | { |
1368 | static security_debug_ex sdb; | |
ecf3a1fb RS |
1369 | |
1370 | sdb.out = bio_err; | |
0f113f3e MC |
1371 | sdb.verbose = verbose; |
1372 | sdb.old_cb = SSL_CTX_get_security_callback(ctx); | |
1373 | SSL_CTX_set_security_callback(ctx, security_callback_debug); | |
1374 | SSL_CTX_set0_security_ex_data(ctx, &sdb); | |
1375 | } | |
4bf73e9f PW |
1376 | |
1377 | static void keylog_callback(const SSL *ssl, const char *line) | |
1378 | { | |
1379 | if (bio_keylog == NULL) { | |
1380 | BIO_printf(bio_err, "Keylog callback is invoked without valid file!\n"); | |
1381 | return; | |
1382 | } | |
1383 | ||
1384 | /* | |
1385 | * There might be concurrent writers to the keylog file, so we must ensure | |
1386 | * that the given line is written at once. | |
1387 | */ | |
1388 | BIO_printf(bio_keylog, "%s\n", line); | |
1389 | (void)BIO_flush(bio_keylog); | |
1390 | } | |
1391 | ||
1392 | int set_keylog_file(SSL_CTX *ctx, const char *keylog_file) | |
1393 | { | |
1394 | /* Close any open files */ | |
1395 | BIO_free_all(bio_keylog); | |
1396 | bio_keylog = NULL; | |
1397 | ||
1398 | if (ctx == NULL || keylog_file == NULL) { | |
1399 | /* Keylogging is disabled, OK. */ | |
1400 | return 0; | |
1401 | } | |
1402 | ||
1403 | /* | |
1404 | * Append rather than write in order to allow concurrent modification. | |
1405 | * Furthermore, this preserves existing keylog files which is useful when | |
1406 | * the tool is run multiple times. | |
1407 | */ | |
1408 | bio_keylog = BIO_new_file(keylog_file, "a"); | |
1409 | if (bio_keylog == NULL) { | |
1410 | BIO_printf(bio_err, "Error writing keylog file %s\n", keylog_file); | |
1411 | return 1; | |
1412 | } | |
1413 | ||
1414 | /* Write a header for seekable, empty files (this excludes pipes). */ | |
1415 | if (BIO_tell(bio_keylog) == 0) { | |
1416 | BIO_puts(bio_keylog, | |
1417 | "# SSL/TLS secrets log file, generated by OpenSSL\n"); | |
1418 | (void)BIO_flush(bio_keylog); | |
1419 | } | |
1420 | SSL_CTX_set_keylog_callback(ctx, keylog_callback); | |
1421 | return 0; | |
1422 | } | |
5969a2dd DSH |
1423 | |
1424 | void print_ca_names(BIO *bio, SSL *s) | |
1425 | { | |
1426 | const char *cs = SSL_is_server(s) ? "server" : "client"; | |
1427 | const STACK_OF(X509_NAME) *sk = SSL_get0_peer_CA_list(s); | |
1428 | int i; | |
1429 | ||
1430 | if (sk == NULL || sk_X509_NAME_num(sk) == 0) { | |
1431 | BIO_printf(bio, "---\nNo %s certificate CA names sent\n", cs); | |
1432 | return; | |
1433 | } | |
1434 | ||
1435 | BIO_printf(bio, "---\nAcceptable %s certificate CA names\n",cs); | |
1436 | for (i = 0; i < sk_X509_NAME_num(sk); i++) { | |
b5c4209b | 1437 | X509_NAME_print_ex(bio, sk_X509_NAME_value(sk, i), 0, get_nameopt()); |
5969a2dd DSH |
1438 | BIO_write(bio, "\n", 1); |
1439 | } | |
1440 | } |