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Commit | Line | Data |
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846e33c7 | 1 | /* |
6738bf14 | 2 | * Copyright 1995-2018 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 | #include "apps.h" |
ec577822 | 15 | #include <openssl/err.h> |
07a9d1a2 | 16 | #include <openssl/rand.h> |
ec577822 BM |
17 | #include <openssl/x509.h> |
18 | #include <openssl/ssl.h> | |
e03c5b59 DSH |
19 | #include <openssl/bn.h> |
20 | #ifndef OPENSSL_NO_DH | |
0f113f3e | 21 | # include <openssl/dh.h> |
e03c5b59 | 22 | #endif |
d02b48c6 RE |
23 | #include "s_apps.h" |
24 | ||
0f113f3e | 25 | #define COOKIE_SECRET_LENGTH 16 |
07a9d1a2 | 26 | |
acc00492 F |
27 | VERIFY_CB_ARGS verify_args = { 0, 0, X509_V_OK, 0 }; |
28 | ||
f9e55034 | 29 | #ifndef OPENSSL_NO_SOCK |
df2ee0e2 BL |
30 | static unsigned char cookie_secret[COOKIE_SECRET_LENGTH]; |
31 | static int cookie_initialized = 0; | |
f9e55034 | 32 | #endif |
4bf73e9f | 33 | static BIO *bio_keylog = NULL; |
d02b48c6 | 34 | |
3e8e688f RS |
35 | static const char *lookup(int val, const STRINT_PAIR* list, const char* def) |
36 | { | |
37 | for ( ; list->name; ++list) | |
38 | if (list->retval == val) | |
39 | return list->name; | |
40 | return def; | |
41 | } | |
42 | ||
6d23cf97 | 43 | int verify_callback(int ok, X509_STORE_CTX *ctx) |
0f113f3e MC |
44 | { |
45 | X509 *err_cert; | |
46 | int err, depth; | |
47 | ||
48 | err_cert = X509_STORE_CTX_get_current_cert(ctx); | |
49 | err = X509_STORE_CTX_get_error(ctx); | |
50 | depth = X509_STORE_CTX_get_error_depth(ctx); | |
51 | ||
acc00492 | 52 | if (!verify_args.quiet || !ok) { |
0f113f3e | 53 | BIO_printf(bio_err, "depth=%d ", depth); |
2234212c | 54 | if (err_cert != NULL) { |
0f113f3e MC |
55 | X509_NAME_print_ex(bio_err, |
56 | X509_get_subject_name(err_cert), | |
b5c4209b | 57 | 0, get_nameopt()); |
0f113f3e | 58 | BIO_puts(bio_err, "\n"); |
2234212c | 59 | } else { |
0f113f3e | 60 | BIO_puts(bio_err, "<no cert>\n"); |
2234212c | 61 | } |
0f113f3e MC |
62 | } |
63 | if (!ok) { | |
64 | BIO_printf(bio_err, "verify error:num=%d:%s\n", err, | |
65 | X509_verify_cert_error_string(err)); | |
acc00492 F |
66 | if (verify_args.depth >= depth) { |
67 | if (!verify_args.return_error) | |
0f113f3e | 68 | ok = 1; |
acc00492 | 69 | verify_args.error = err; |
0f113f3e MC |
70 | } else { |
71 | ok = 0; | |
acc00492 | 72 | verify_args.error = X509_V_ERR_CERT_CHAIN_TOO_LONG; |
0f113f3e MC |
73 | } |
74 | } | |
75 | switch (err) { | |
76 | case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT: | |
77 | BIO_puts(bio_err, "issuer= "); | |
78 | X509_NAME_print_ex(bio_err, X509_get_issuer_name(err_cert), | |
b5c4209b | 79 | 0, get_nameopt()); |
0f113f3e MC |
80 | BIO_puts(bio_err, "\n"); |
81 | break; | |
82 | case X509_V_ERR_CERT_NOT_YET_VALID: | |
83 | case X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD: | |
84 | BIO_printf(bio_err, "notBefore="); | |
568ce3a5 | 85 | ASN1_TIME_print(bio_err, X509_get0_notBefore(err_cert)); |
0f113f3e MC |
86 | BIO_printf(bio_err, "\n"); |
87 | break; | |
88 | case X509_V_ERR_CERT_HAS_EXPIRED: | |
89 | case X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD: | |
90 | BIO_printf(bio_err, "notAfter="); | |
568ce3a5 | 91 | ASN1_TIME_print(bio_err, X509_get0_notAfter(err_cert)); |
0f113f3e MC |
92 | BIO_printf(bio_err, "\n"); |
93 | break; | |
94 | case X509_V_ERR_NO_EXPLICIT_POLICY: | |
acc00492 | 95 | if (!verify_args.quiet) |
ecf3a1fb | 96 | policies_print(ctx); |
0f113f3e MC |
97 | break; |
98 | } | |
acc00492 | 99 | if (err == X509_V_OK && ok == 2 && !verify_args.quiet) |
ecf3a1fb | 100 | policies_print(ctx); |
acc00492 | 101 | if (ok && !verify_args.quiet) |
0f113f3e | 102 | BIO_printf(bio_err, "verify return:%d\n", ok); |
26a7d938 | 103 | return ok; |
0f113f3e | 104 | } |
d02b48c6 | 105 | |
6b691a5c | 106 | int set_cert_stuff(SSL_CTX *ctx, char *cert_file, char *key_file) |
0f113f3e MC |
107 | { |
108 | if (cert_file != NULL) { | |
0f113f3e MC |
109 | if (SSL_CTX_use_certificate_file(ctx, cert_file, |
110 | SSL_FILETYPE_PEM) <= 0) { | |
111 | BIO_printf(bio_err, "unable to get certificate from '%s'\n", | |
112 | cert_file); | |
113 | ERR_print_errors(bio_err); | |
26a7d938 | 114 | return 0; |
0f113f3e MC |
115 | } |
116 | if (key_file == NULL) | |
117 | key_file = cert_file; | |
118 | if (SSL_CTX_use_PrivateKey_file(ctx, key_file, SSL_FILETYPE_PEM) <= 0) { | |
119 | BIO_printf(bio_err, "unable to get private key from '%s'\n", | |
120 | key_file); | |
121 | ERR_print_errors(bio_err); | |
26a7d938 | 122 | return 0; |
0f113f3e MC |
123 | } |
124 | ||
0f113f3e MC |
125 | /* |
126 | * If we are using DSA, we can copy the parameters from the private | |
127 | * key | |
128 | */ | |
129 | ||
130 | /* | |
131 | * Now we know that a key and cert have been set against the SSL | |
132 | * context | |
133 | */ | |
134 | if (!SSL_CTX_check_private_key(ctx)) { | |
135 | BIO_printf(bio_err, | |
136 | "Private key does not match the certificate public key\n"); | |
26a7d938 | 137 | return 0; |
0f113f3e MC |
138 | } |
139 | } | |
208fb891 | 140 | return 1; |
0f113f3e | 141 | } |
d02b48c6 | 142 | |
fc6fc7ff | 143 | int set_cert_key_stuff(SSL_CTX *ctx, X509 *cert, EVP_PKEY *key, |
0f113f3e MC |
144 | STACK_OF(X509) *chain, int build_chain) |
145 | { | |
146 | int chflags = chain ? SSL_BUILD_CHAIN_FLAG_CHECK : 0; | |
147 | if (cert == NULL) | |
148 | return 1; | |
149 | if (SSL_CTX_use_certificate(ctx, cert) <= 0) { | |
150 | BIO_printf(bio_err, "error setting certificate\n"); | |
151 | ERR_print_errors(bio_err); | |
152 | return 0; | |
153 | } | |
154 | ||
155 | if (SSL_CTX_use_PrivateKey(ctx, key) <= 0) { | |
156 | BIO_printf(bio_err, "error setting private key\n"); | |
157 | ERR_print_errors(bio_err); | |
158 | return 0; | |
159 | } | |
160 | ||
161 | /* | |
162 | * Now we know that a key and cert have been set against the SSL context | |
163 | */ | |
164 | if (!SSL_CTX_check_private_key(ctx)) { | |
165 | BIO_printf(bio_err, | |
166 | "Private key does not match the certificate public key\n"); | |
167 | return 0; | |
168 | } | |
169 | if (chain && !SSL_CTX_set1_chain(ctx, chain)) { | |
170 | BIO_printf(bio_err, "error setting certificate chain\n"); | |
171 | ERR_print_errors(bio_err); | |
172 | return 0; | |
173 | } | |
174 | if (build_chain && !SSL_CTX_build_cert_chain(ctx, chflags)) { | |
175 | BIO_printf(bio_err, "error building certificate chain\n"); | |
176 | ERR_print_errors(bio_err); | |
177 | return 0; | |
178 | } | |
179 | return 1; | |
180 | } | |
826a42a0 | 181 | |
3e8e688f RS |
182 | static STRINT_PAIR cert_type_list[] = { |
183 | {"RSA sign", TLS_CT_RSA_SIGN}, | |
184 | {"DSA sign", TLS_CT_DSS_SIGN}, | |
185 | {"RSA fixed DH", TLS_CT_RSA_FIXED_DH}, | |
186 | {"DSS fixed DH", TLS_CT_DSS_FIXED_DH}, | |
187 | {"ECDSA sign", TLS_CT_ECDSA_SIGN}, | |
188 | {"RSA fixed ECDH", TLS_CT_RSA_FIXED_ECDH}, | |
189 | {"ECDSA fixed ECDH", TLS_CT_ECDSA_FIXED_ECDH}, | |
3e8e688f RS |
190 | {"GOST01 Sign", TLS_CT_GOST01_SIGN}, |
191 | {NULL} | |
192 | }; | |
193 | ||
9f27b1ee | 194 | static void ssl_print_client_cert_types(BIO *bio, SSL *s) |
0f113f3e MC |
195 | { |
196 | const unsigned char *p; | |
197 | int i; | |
198 | int cert_type_num = SSL_get0_certificate_types(s, &p); | |
199 | if (!cert_type_num) | |
200 | return; | |
201 | BIO_puts(bio, "Client Certificate Types: "); | |
202 | for (i = 0; i < cert_type_num; i++) { | |
203 | unsigned char cert_type = p[i]; | |
3e8e688f | 204 | const char *cname = lookup((int)cert_type, cert_type_list, NULL); |
0f113f3e MC |
205 | |
206 | if (i) | |
207 | BIO_puts(bio, ", "); | |
2234212c | 208 | if (cname != NULL) |
0f113f3e MC |
209 | BIO_puts(bio, cname); |
210 | else | |
211 | BIO_printf(bio, "UNKNOWN (%d),", cert_type); | |
212 | } | |
213 | BIO_puts(bio, "\n"); | |
214 | } | |
9f27b1ee | 215 | |
42ef7aea DSH |
216 | static const char *get_sigtype(int nid) |
217 | { | |
218 | switch (nid) { | |
219 | case EVP_PKEY_RSA: | |
220 | return "RSA"; | |
221 | ||
222 | case EVP_PKEY_RSA_PSS: | |
223 | return "RSA-PSS"; | |
224 | ||
225 | case EVP_PKEY_DSA: | |
226 | return "DSA"; | |
227 | ||
228 | case EVP_PKEY_EC: | |
229 | return "ECDSA"; | |
230 | ||
03327c8b DSH |
231 | case NID_ED25519: |
232 | return "Ed25519"; | |
233 | ||
0e1d6ecf MC |
234 | case NID_ED448: |
235 | return "Ed448"; | |
236 | ||
42ef7aea DSH |
237 | default: |
238 | return NULL; | |
239 | } | |
240 | } | |
241 | ||
9f27b1ee | 242 | static int do_print_sigalgs(BIO *out, SSL *s, int shared) |
0f113f3e MC |
243 | { |
244 | int i, nsig, client; | |
245 | client = SSL_is_server(s) ? 0 : 1; | |
246 | if (shared) | |
6d047e06 | 247 | nsig = SSL_get_shared_sigalgs(s, 0, NULL, NULL, NULL, NULL, NULL); |
0f113f3e MC |
248 | else |
249 | nsig = SSL_get_sigalgs(s, -1, NULL, NULL, NULL, NULL, NULL); | |
250 | if (nsig == 0) | |
251 | return 1; | |
252 | ||
253 | if (shared) | |
254 | BIO_puts(out, "Shared "); | |
255 | ||
256 | if (client) | |
257 | BIO_puts(out, "Requested "); | |
258 | BIO_puts(out, "Signature Algorithms: "); | |
259 | for (i = 0; i < nsig; i++) { | |
260 | int hash_nid, sign_nid; | |
261 | unsigned char rhash, rsign; | |
262 | const char *sstr = NULL; | |
263 | if (shared) | |
264 | SSL_get_shared_sigalgs(s, i, &sign_nid, &hash_nid, NULL, | |
265 | &rsign, &rhash); | |
266 | else | |
267 | SSL_get_sigalgs(s, i, &sign_nid, &hash_nid, NULL, &rsign, &rhash); | |
268 | if (i) | |
269 | BIO_puts(out, ":"); | |
91410d40 | 270 | sstr = get_sigtype(sign_nid); |
0f113f3e | 271 | if (sstr) |
03327c8b | 272 | BIO_printf(out, "%s", sstr); |
0f113f3e | 273 | else |
03327c8b | 274 | BIO_printf(out, "0x%02X", (int)rsign); |
0f113f3e | 275 | if (hash_nid != NID_undef) |
03327c8b DSH |
276 | BIO_printf(out, "+%s", OBJ_nid2sn(hash_nid)); |
277 | else if (sstr == NULL) | |
278 | BIO_printf(out, "+0x%02X", (int)rhash); | |
0f113f3e MC |
279 | } |
280 | BIO_puts(out, "\n"); | |
281 | return 1; | |
282 | } | |
e7f8ff43 | 283 | |
9f27b1ee | 284 | int ssl_print_sigalgs(BIO *out, SSL *s) |
0f113f3e | 285 | { |
42ef7aea | 286 | int nid; |
0f113f3e MC |
287 | if (!SSL_is_server(s)) |
288 | ssl_print_client_cert_types(out, s); | |
289 | do_print_sigalgs(out, s, 0); | |
290 | do_print_sigalgs(out, s, 1); | |
03327c8b | 291 | if (SSL_get_peer_signature_nid(s, &nid) && nid != NID_undef) |
42ef7aea DSH |
292 | BIO_printf(out, "Peer signing digest: %s\n", OBJ_nid2sn(nid)); |
293 | if (SSL_get_peer_signature_type_nid(s, &nid)) | |
395f7c42 | 294 | BIO_printf(out, "Peer signature type: %s\n", get_sigtype(nid)); |
0f113f3e MC |
295 | return 1; |
296 | } | |
297 | ||
14536c8c | 298 | #ifndef OPENSSL_NO_EC |
20b431e3 | 299 | int ssl_print_point_formats(BIO *out, SSL *s) |
0f113f3e MC |
300 | { |
301 | int i, nformats; | |
302 | const char *pformats; | |
303 | nformats = SSL_get0_ec_point_formats(s, &pformats); | |
304 | if (nformats <= 0) | |
305 | return 1; | |
306 | BIO_puts(out, "Supported Elliptic Curve Point Formats: "); | |
307 | for (i = 0; i < nformats; i++, pformats++) { | |
308 | if (i) | |
309 | BIO_puts(out, ":"); | |
310 | switch (*pformats) { | |
311 | case TLSEXT_ECPOINTFORMAT_uncompressed: | |
312 | BIO_puts(out, "uncompressed"); | |
313 | break; | |
314 | ||
315 | case TLSEXT_ECPOINTFORMAT_ansiX962_compressed_prime: | |
316 | BIO_puts(out, "ansiX962_compressed_prime"); | |
317 | break; | |
318 | ||
319 | case TLSEXT_ECPOINTFORMAT_ansiX962_compressed_char2: | |
320 | BIO_puts(out, "ansiX962_compressed_char2"); | |
321 | break; | |
322 | ||
323 | default: | |
324 | BIO_printf(out, "unknown(%d)", (int)*pformats); | |
325 | break; | |
326 | ||
327 | } | |
328 | } | |
0f113f3e MC |
329 | BIO_puts(out, "\n"); |
330 | return 1; | |
331 | } | |
20b431e3 | 332 | |
de4d764e | 333 | int ssl_print_groups(BIO *out, SSL *s, int noshared) |
0f113f3e | 334 | { |
de4d764e MC |
335 | int i, ngroups, *groups, nid; |
336 | const char *gname; | |
7e1b7485 | 337 | |
de4d764e MC |
338 | ngroups = SSL_get1_groups(s, NULL); |
339 | if (ngroups <= 0) | |
0f113f3e | 340 | return 1; |
de4d764e MC |
341 | groups = app_malloc(ngroups * sizeof(int), "groups to print"); |
342 | SSL_get1_groups(s, groups); | |
0f113f3e | 343 | |
de4d764e MC |
344 | BIO_puts(out, "Supported Elliptic Groups: "); |
345 | for (i = 0; i < ngroups; i++) { | |
0f113f3e MC |
346 | if (i) |
347 | BIO_puts(out, ":"); | |
de4d764e | 348 | nid = groups[i]; |
0f113f3e | 349 | /* If unrecognised print out hex version */ |
2234212c | 350 | if (nid & TLSEXT_nid_unknown) { |
0f113f3e | 351 | BIO_printf(out, "0x%04X", nid & 0xFFFF); |
2234212c | 352 | } else { |
de4d764e | 353 | /* TODO(TLS1.3): Get group name here */ |
0f113f3e | 354 | /* Use NIST name for curve if it exists */ |
de4d764e | 355 | gname = EC_curve_nid2nist(nid); |
2234212c | 356 | if (gname == NULL) |
de4d764e MC |
357 | gname = OBJ_nid2sn(nid); |
358 | BIO_printf(out, "%s", gname); | |
0f113f3e MC |
359 | } |
360 | } | |
de4d764e | 361 | OPENSSL_free(groups); |
0f113f3e MC |
362 | if (noshared) { |
363 | BIO_puts(out, "\n"); | |
364 | return 1; | |
365 | } | |
de4d764e MC |
366 | BIO_puts(out, "\nShared Elliptic groups: "); |
367 | ngroups = SSL_get_shared_group(s, -1); | |
368 | for (i = 0; i < ngroups; i++) { | |
0f113f3e MC |
369 | if (i) |
370 | BIO_puts(out, ":"); | |
de4d764e MC |
371 | nid = SSL_get_shared_group(s, i); |
372 | /* TODO(TLS1.3): Convert for DH groups */ | |
373 | gname = EC_curve_nid2nist(nid); | |
2234212c | 374 | if (gname == NULL) |
de4d764e MC |
375 | gname = OBJ_nid2sn(nid); |
376 | BIO_printf(out, "%s", gname); | |
0f113f3e | 377 | } |
de4d764e | 378 | if (ngroups == 0) |
0f113f3e MC |
379 | BIO_puts(out, "NONE"); |
380 | BIO_puts(out, "\n"); | |
381 | return 1; | |
382 | } | |
14536c8c | 383 | #endif |
2234212c | 384 | |
33a8de69 | 385 | int ssl_print_tmp_key(BIO *out, SSL *s) |
0f113f3e MC |
386 | { |
387 | EVP_PKEY *key; | |
388 | if (!SSL_get_server_tmp_key(s, &key)) | |
389 | return 1; | |
390 | BIO_puts(out, "Server Temp Key: "); | |
391 | switch (EVP_PKEY_id(key)) { | |
392 | case EVP_PKEY_RSA: | |
393 | BIO_printf(out, "RSA, %d bits\n", EVP_PKEY_bits(key)); | |
394 | break; | |
395 | ||
396 | case EVP_PKEY_DH: | |
397 | BIO_printf(out, "DH, %d bits\n", EVP_PKEY_bits(key)); | |
398 | break; | |
10bf4fc2 | 399 | #ifndef OPENSSL_NO_EC |
0f113f3e MC |
400 | case EVP_PKEY_EC: |
401 | { | |
402 | EC_KEY *ec = EVP_PKEY_get1_EC_KEY(key); | |
403 | int nid; | |
404 | const char *cname; | |
405 | nid = EC_GROUP_get_curve_name(EC_KEY_get0_group(ec)); | |
406 | EC_KEY_free(ec); | |
407 | cname = EC_curve_nid2nist(nid); | |
2234212c | 408 | if (cname == NULL) |
0f113f3e MC |
409 | cname = OBJ_nid2sn(nid); |
410 | BIO_printf(out, "ECDH, %s, %d bits\n", cname, EVP_PKEY_bits(key)); | |
411 | } | |
23143e4d | 412 | break; |
14536c8c | 413 | #endif |
23143e4d DSH |
414 | default: |
415 | BIO_printf(out, "%s, %d bits\n", OBJ_nid2sn(EVP_PKEY_id(key)), | |
416 | EVP_PKEY_bits(key)); | |
0f113f3e MC |
417 | } |
418 | EVP_PKEY_free(key); | |
419 | return 1; | |
420 | } | |
e7f8ff43 | 421 | |
6d23cf97 | 422 | long bio_dump_callback(BIO *bio, int cmd, const char *argp, |
0f113f3e MC |
423 | int argi, long argl, long ret) |
424 | { | |
425 | BIO *out; | |
426 | ||
427 | out = (BIO *)BIO_get_callback_arg(bio); | |
428 | if (out == NULL) | |
26a7d938 | 429 | return ret; |
0f113f3e MC |
430 | |
431 | if (cmd == (BIO_CB_READ | BIO_CB_RETURN)) { | |
432 | BIO_printf(out, "read from %p [%p] (%lu bytes => %ld (0x%lX))\n", | |
50eadf2a | 433 | (void *)bio, (void *)argp, (unsigned long)argi, ret, ret); |
0f113f3e | 434 | BIO_dump(out, argp, (int)ret); |
26a7d938 | 435 | return ret; |
0f113f3e MC |
436 | } else if (cmd == (BIO_CB_WRITE | BIO_CB_RETURN)) { |
437 | BIO_printf(out, "write to %p [%p] (%lu bytes => %ld (0x%lX))\n", | |
50eadf2a | 438 | (void *)bio, (void *)argp, (unsigned long)argi, ret, ret); |
0f113f3e MC |
439 | BIO_dump(out, argp, (int)ret); |
440 | } | |
26a7d938 | 441 | return ret; |
0f113f3e | 442 | } |
d02b48c6 | 443 | |
6d23cf97 | 444 | void apps_ssl_info_callback(const SSL *s, int where, int ret) |
0f113f3e MC |
445 | { |
446 | const char *str; | |
447 | int w; | |
448 | ||
449 | w = where & ~SSL_ST_MASK; | |
450 | ||
451 | if (w & SSL_ST_CONNECT) | |
452 | str = "SSL_connect"; | |
453 | else if (w & SSL_ST_ACCEPT) | |
454 | str = "SSL_accept"; | |
455 | else | |
456 | str = "undefined"; | |
457 | ||
458 | if (where & SSL_CB_LOOP) { | |
459 | BIO_printf(bio_err, "%s:%s\n", str, SSL_state_string_long(s)); | |
460 | } else if (where & SSL_CB_ALERT) { | |
461 | str = (where & SSL_CB_READ) ? "read" : "write"; | |
462 | BIO_printf(bio_err, "SSL3 alert %s:%s:%s\n", | |
463 | str, | |
464 | SSL_alert_type_string_long(ret), | |
465 | SSL_alert_desc_string_long(ret)); | |
466 | } else if (where & SSL_CB_EXIT) { | |
467 | if (ret == 0) | |
468 | BIO_printf(bio_err, "%s:failed in %s\n", | |
469 | str, SSL_state_string_long(s)); | |
2234212c | 470 | else if (ret < 0) |
0f113f3e MC |
471 | BIO_printf(bio_err, "%s:error in %s\n", |
472 | str, SSL_state_string_long(s)); | |
0f113f3e MC |
473 | } |
474 | } | |
d02b48c6 | 475 | |
3e8e688f RS |
476 | static STRINT_PAIR ssl_versions[] = { |
477 | {"SSL 3.0", SSL3_VERSION}, | |
478 | {"TLS 1.0", TLS1_VERSION}, | |
479 | {"TLS 1.1", TLS1_1_VERSION}, | |
480 | {"TLS 1.2", TLS1_2_VERSION}, | |
582a17d6 | 481 | {"TLS 1.3", TLS1_3_VERSION}, |
3e8e688f RS |
482 | {"DTLS 1.0", DTLS1_VERSION}, |
483 | {"DTLS 1.0 (bad)", DTLS1_BAD_VER}, | |
484 | {NULL} | |
485 | }; | |
2234212c | 486 | |
3e8e688f RS |
487 | static STRINT_PAIR alert_types[] = { |
488 | {" close_notify", 0}, | |
b35fb005 | 489 | {" end_of_early_data", 1}, |
3e8e688f RS |
490 | {" unexpected_message", 10}, |
491 | {" bad_record_mac", 20}, | |
492 | {" decryption_failed", 21}, | |
493 | {" record_overflow", 22}, | |
494 | {" decompression_failure", 30}, | |
495 | {" handshake_failure", 40}, | |
496 | {" bad_certificate", 42}, | |
497 | {" unsupported_certificate", 43}, | |
498 | {" certificate_revoked", 44}, | |
499 | {" certificate_expired", 45}, | |
500 | {" certificate_unknown", 46}, | |
501 | {" illegal_parameter", 47}, | |
502 | {" unknown_ca", 48}, | |
503 | {" access_denied", 49}, | |
504 | {" decode_error", 50}, | |
505 | {" decrypt_error", 51}, | |
506 | {" export_restriction", 60}, | |
507 | {" protocol_version", 70}, | |
508 | {" insufficient_security", 71}, | |
509 | {" internal_error", 80}, | |
b35fb005 | 510 | {" inappropriate_fallback", 86}, |
3e8e688f RS |
511 | {" user_canceled", 90}, |
512 | {" no_renegotiation", 100}, | |
b35fb005 | 513 | {" missing_extension", 109}, |
3e8e688f RS |
514 | {" unsupported_extension", 110}, |
515 | {" certificate_unobtainable", 111}, | |
516 | {" unrecognized_name", 112}, | |
517 | {" bad_certificate_status_response", 113}, | |
518 | {" bad_certificate_hash_value", 114}, | |
519 | {" unknown_psk_identity", 115}, | |
b35fb005 | 520 | {" certificate_required", 116}, |
3e8e688f RS |
521 | {NULL} |
522 | }; | |
523 | ||
524 | static STRINT_PAIR handshakes[] = { | |
07518cfb TS |
525 | {", HelloRequest", SSL3_MT_HELLO_REQUEST}, |
526 | {", ClientHello", SSL3_MT_CLIENT_HELLO}, | |
527 | {", ServerHello", SSL3_MT_SERVER_HELLO}, | |
528 | {", HelloVerifyRequest", DTLS1_MT_HELLO_VERIFY_REQUEST}, | |
529 | {", NewSessionTicket", SSL3_MT_NEWSESSION_TICKET}, | |
530 | {", EndOfEarlyData", SSL3_MT_END_OF_EARLY_DATA}, | |
07518cfb TS |
531 | {", EncryptedExtensions", SSL3_MT_ENCRYPTED_EXTENSIONS}, |
532 | {", Certificate", SSL3_MT_CERTIFICATE}, | |
533 | {", ServerKeyExchange", SSL3_MT_SERVER_KEY_EXCHANGE}, | |
534 | {", CertificateRequest", SSL3_MT_CERTIFICATE_REQUEST}, | |
535 | {", ServerHelloDone", SSL3_MT_SERVER_DONE}, | |
536 | {", CertificateVerify", SSL3_MT_CERTIFICATE_VERIFY}, | |
537 | {", ClientKeyExchange", SSL3_MT_CLIENT_KEY_EXCHANGE}, | |
538 | {", Finished", SSL3_MT_FINISHED}, | |
7429b398 | 539 | {", CertificateUrl", 21}, |
07518cfb | 540 | {", CertificateStatus", SSL3_MT_CERTIFICATE_STATUS}, |
7429b398 | 541 | {", SupplementalData", 23}, |
07518cfb TS |
542 | {", KeyUpdate", SSL3_MT_KEY_UPDATE}, |
543 | #ifndef OPENSSL_NO_NEXTPROTONEG | |
544 | {", NextProto", SSL3_MT_NEXT_PROTO}, | |
545 | #endif | |
546 | {", MessageHash", SSL3_MT_MESSAGE_HASH}, | |
3e8e688f RS |
547 | {NULL} |
548 | }; | |
0f113f3e MC |
549 | |
550 | void msg_cb(int write_p, int version, int content_type, const void *buf, | |
551 | size_t len, SSL *ssl, void *arg) | |
552 | { | |
553 | BIO *bio = arg; | |
3e8e688f RS |
554 | const char *str_write_p = write_p ? ">>>" : "<<<"; |
555 | const char *str_version = lookup(version, ssl_versions, "???"); | |
556 | const char *str_content_type = "", *str_details1 = "", *str_details2 = ""; | |
557 | const unsigned char* bp = buf; | |
0f113f3e MC |
558 | |
559 | if (version == SSL3_VERSION || | |
560 | version == TLS1_VERSION || | |
561 | version == TLS1_1_VERSION || | |
562 | version == TLS1_2_VERSION || | |
582a17d6 | 563 | version == TLS1_3_VERSION || |
0f113f3e MC |
564 | version == DTLS1_VERSION || version == DTLS1_BAD_VER) { |
565 | switch (content_type) { | |
566 | case 20: | |
b35fb005 | 567 | str_content_type = ", ChangeCipherSpec"; |
0f113f3e MC |
568 | break; |
569 | case 21: | |
b35fb005 | 570 | str_content_type = ", Alert"; |
0f113f3e | 571 | str_details1 = ", ???"; |
0f113f3e | 572 | if (len == 2) { |
3e8e688f | 573 | switch (bp[0]) { |
0f113f3e MC |
574 | case 1: |
575 | str_details1 = ", warning"; | |
576 | break; | |
577 | case 2: | |
578 | str_details1 = ", fatal"; | |
579 | break; | |
580 | } | |
3e8e688f | 581 | str_details2 = lookup((int)bp[1], alert_types, " ???"); |
0f113f3e | 582 | } |
3e8e688f RS |
583 | break; |
584 | case 22: | |
b35fb005 | 585 | str_content_type = ", Handshake"; |
0f113f3e | 586 | str_details1 = "???"; |
3e8e688f RS |
587 | if (len > 0) |
588 | str_details1 = lookup((int)bp[0], handshakes, "???"); | |
589 | break; | |
7429b398 | 590 | case 23: |
b35fb005 | 591 | str_content_type = ", ApplicationData"; |
7429b398 | 592 | break; |
b612799a RL |
593 | #ifndef OPENSSL_NO_HEARTBEATS |
594 | case 24: | |
595 | str_details1 = ", Heartbeat"; | |
596 | ||
597 | if (len > 0) { | |
598 | switch (bp[0]) { | |
599 | case 1: | |
600 | str_details1 = ", HeartbeatRequest"; | |
601 | break; | |
602 | case 2: | |
603 | str_details1 = ", HeartbeatResponse"; | |
604 | break; | |
605 | } | |
606 | } | |
607 | break; | |
608 | #endif | |
3e8e688f | 609 | } |
0f113f3e | 610 | } |
a661b653 | 611 | |
0f113f3e MC |
612 | BIO_printf(bio, "%s %s%s [length %04lx]%s%s\n", str_write_p, str_version, |
613 | str_content_type, (unsigned long)len, str_details1, | |
614 | str_details2); | |
a661b653 | 615 | |
0f113f3e MC |
616 | if (len > 0) { |
617 | size_t num, i; | |
618 | ||
619 | BIO_printf(bio, " "); | |
620 | num = len; | |
0f113f3e MC |
621 | for (i = 0; i < num; i++) { |
622 | if (i % 16 == 0 && i > 0) | |
623 | BIO_printf(bio, "\n "); | |
624 | BIO_printf(bio, " %02x", ((const unsigned char *)buf)[i]); | |
625 | } | |
626 | if (i < len) | |
627 | BIO_printf(bio, " ..."); | |
628 | BIO_printf(bio, "\n"); | |
629 | } | |
630 | (void)BIO_flush(bio); | |
631 | } | |
6434abbf | 632 | |
3e8e688f RS |
633 | static STRINT_PAIR tlsext_types[] = { |
634 | {"server name", TLSEXT_TYPE_server_name}, | |
635 | {"max fragment length", TLSEXT_TYPE_max_fragment_length}, | |
636 | {"client certificate URL", TLSEXT_TYPE_client_certificate_url}, | |
637 | {"trusted CA keys", TLSEXT_TYPE_trusted_ca_keys}, | |
638 | {"truncated HMAC", TLSEXT_TYPE_truncated_hmac}, | |
639 | {"status request", TLSEXT_TYPE_status_request}, | |
640 | {"user mapping", TLSEXT_TYPE_user_mapping}, | |
641 | {"client authz", TLSEXT_TYPE_client_authz}, | |
642 | {"server authz", TLSEXT_TYPE_server_authz}, | |
643 | {"cert type", TLSEXT_TYPE_cert_type}, | |
de4d764e | 644 | {"supported_groups", TLSEXT_TYPE_supported_groups}, |
3e8e688f RS |
645 | {"EC point formats", TLSEXT_TYPE_ec_point_formats}, |
646 | {"SRP", TLSEXT_TYPE_srp}, | |
647 | {"signature algorithms", TLSEXT_TYPE_signature_algorithms}, | |
648 | {"use SRTP", TLSEXT_TYPE_use_srtp}, | |
b612799a | 649 | {"heartbeat", TLSEXT_TYPE_heartbeat}, |
3e8e688f RS |
650 | {"session ticket", TLSEXT_TYPE_session_ticket}, |
651 | {"renegotiation info", TLSEXT_TYPE_renegotiate}, | |
dd696a55 | 652 | {"signed certificate timestamps", TLSEXT_TYPE_signed_certificate_timestamp}, |
3e8e688f | 653 | {"TLS padding", TLSEXT_TYPE_padding}, |
15a40af2 | 654 | #ifdef TLSEXT_TYPE_next_proto_neg |
3e8e688f | 655 | {"next protocol", TLSEXT_TYPE_next_proto_neg}, |
15a40af2 | 656 | #endif |
5e3ff62c | 657 | #ifdef TLSEXT_TYPE_encrypt_then_mac |
3e8e688f | 658 | {"encrypt-then-mac", TLSEXT_TYPE_encrypt_then_mac}, |
5e3ff62c | 659 | #endif |
b48357d9 AG |
660 | #ifdef TLSEXT_TYPE_application_layer_protocol_negotiation |
661 | {"application layer protocol negotiation", | |
662 | TLSEXT_TYPE_application_layer_protocol_negotiation}, | |
fecd04e9 AG |
663 | #endif |
664 | #ifdef TLSEXT_TYPE_extended_master_secret | |
665 | {"extended master secret", TLSEXT_TYPE_extended_master_secret}, | |
b48357d9 | 666 | #endif |
3578020b DSH |
667 | {"key share", TLSEXT_TYPE_key_share}, |
668 | {"supported versions", TLSEXT_TYPE_supported_versions}, | |
669 | {"psk", TLSEXT_TYPE_psk}, | |
670 | {"psk kex modes", TLSEXT_TYPE_psk_kex_modes}, | |
671 | {"certificate authorities", TLSEXT_TYPE_certificate_authorities}, | |
9d75dce3 | 672 | {"post handshake auth", TLSEXT_TYPE_post_handshake_auth}, |
3e8e688f RS |
673 | {NULL} |
674 | }; | |
0f113f3e | 675 | |
3e8e688f | 676 | void tlsext_cb(SSL *s, int client_server, int type, |
b6981744 | 677 | const unsigned char *data, int len, void *arg) |
3e8e688f RS |
678 | { |
679 | BIO *bio = arg; | |
680 | const char *extname = lookup(type, tlsext_types, "unknown"); | |
0f113f3e MC |
681 | |
682 | BIO_printf(bio, "TLS %s extension \"%s\" (id=%d), len=%d\n", | |
683 | client_server ? "server" : "client", extname, type, len); | |
b6981744 | 684 | BIO_dump(bio, (const char *)data, len); |
0f113f3e MC |
685 | (void)BIO_flush(bio); |
686 | } | |
687 | ||
f9e55034 | 688 | #ifndef OPENSSL_NO_SOCK |
0f113f3e MC |
689 | int generate_cookie_callback(SSL *ssl, unsigned char *cookie, |
690 | unsigned int *cookie_len) | |
691 | { | |
87a595e5 | 692 | unsigned char *buffer; |
10ee7246 | 693 | size_t length = 0; |
d858c876 | 694 | unsigned short port; |
10ee7246 | 695 | BIO_ADDR *lpeer = NULL, *peer = NULL; |
0f113f3e MC |
696 | |
697 | /* Initialize a random secret */ | |
698 | if (!cookie_initialized) { | |
266483d2 | 699 | if (RAND_bytes(cookie_secret, COOKIE_SECRET_LENGTH) <= 0) { |
0f113f3e MC |
700 | BIO_printf(bio_err, "error setting random cookie secret\n"); |
701 | return 0; | |
702 | } | |
703 | cookie_initialized = 1; | |
704 | } | |
705 | ||
10ee7246 MC |
706 | if (SSL_is_dtls(ssl)) { |
707 | lpeer = peer = BIO_ADDR_new(); | |
708 | if (peer == NULL) { | |
709 | BIO_printf(bio_err, "memory full\n"); | |
710 | return 0; | |
711 | } | |
d858c876 | 712 | |
10ee7246 MC |
713 | /* Read peer information */ |
714 | (void)BIO_dgram_get_peer(SSL_get_rbio(ssl), peer); | |
715 | } else { | |
716 | peer = ourpeer; | |
717 | } | |
0f113f3e MC |
718 | |
719 | /* Create buffer with peer's address and port */ | |
10ee7246 MC |
720 | if (!BIO_ADDR_rawaddress(peer, NULL, &length)) { |
721 | BIO_printf(bio_err, "Failed getting peer address\n"); | |
722 | return 0; | |
723 | } | |
d858c876 RL |
724 | OPENSSL_assert(length != 0); |
725 | port = BIO_ADDR_rawport(peer); | |
726 | length += sizeof(port); | |
68dc6824 | 727 | buffer = app_malloc(length, "cookie generate buffer"); |
0f113f3e | 728 | |
d858c876 RL |
729 | memcpy(buffer, &port, sizeof(port)); |
730 | BIO_ADDR_rawaddress(peer, buffer + sizeof(port), NULL); | |
0f113f3e MC |
731 | |
732 | /* Calculate HMAC of buffer using the secret */ | |
733 | HMAC(EVP_sha1(), cookie_secret, COOKIE_SECRET_LENGTH, | |
87a595e5 | 734 | buffer, length, cookie, cookie_len); |
d858c876 | 735 | |
0f113f3e | 736 | OPENSSL_free(buffer); |
10ee7246 | 737 | BIO_ADDR_free(lpeer); |
0f113f3e | 738 | |
0f113f3e MC |
739 | return 1; |
740 | } | |
741 | ||
31011544 | 742 | int verify_cookie_callback(SSL *ssl, const unsigned char *cookie, |
0f113f3e MC |
743 | unsigned int cookie_len) |
744 | { | |
87a595e5 RL |
745 | unsigned char result[EVP_MAX_MD_SIZE]; |
746 | unsigned int resultlength; | |
747 | ||
748 | /* Note: we check cookie_initialized because if it's not, | |
749 | * it cannot be valid */ | |
750 | if (cookie_initialized | |
751 | && generate_cookie_callback(ssl, result, &resultlength) | |
752 | && cookie_len == resultlength | |
0f113f3e MC |
753 | && memcmp(result, cookie, resultlength) == 0) |
754 | return 1; | |
755 | ||
756 | return 0; | |
757 | } | |
f9e55034 | 758 | #endif |
0f113f3e MC |
759 | |
760 | /* | |
761 | * Example of extended certificate handling. Where the standard support of | |
762 | * one certificate per algorithm is not sufficient an application can decide | |
763 | * which certificate(s) to use at runtime based on whatever criteria it deems | |
764 | * appropriate. | |
18d71588 DSH |
765 | */ |
766 | ||
767 | /* Linked list of certificates, keys and chains */ | |
0f113f3e MC |
768 | struct ssl_excert_st { |
769 | int certform; | |
770 | const char *certfile; | |
771 | int keyform; | |
772 | const char *keyfile; | |
773 | const char *chainfile; | |
774 | X509 *cert; | |
775 | EVP_PKEY *key; | |
776 | STACK_OF(X509) *chain; | |
777 | int build_chain; | |
778 | struct ssl_excert_st *next, *prev; | |
779 | }; | |
780 | ||
3e8e688f RS |
781 | static STRINT_PAIR chain_flags[] = { |
782 | {"Overall Validity", CERT_PKEY_VALID}, | |
783 | {"Sign with EE key", CERT_PKEY_SIGN}, | |
784 | {"EE signature", CERT_PKEY_EE_SIGNATURE}, | |
785 | {"CA signature", CERT_PKEY_CA_SIGNATURE}, | |
786 | {"EE key parameters", CERT_PKEY_EE_PARAM}, | |
787 | {"CA key parameters", CERT_PKEY_CA_PARAM}, | |
0d4fb843 | 788 | {"Explicitly sign with EE key", CERT_PKEY_EXPLICIT_SIGN}, |
3e8e688f RS |
789 | {"Issuer Name", CERT_PKEY_ISSUER_NAME}, |
790 | {"Certificate Type", CERT_PKEY_CERT_TYPE}, | |
791 | {NULL} | |
0f113f3e | 792 | }; |
6dbb6219 | 793 | |
ecf3a1fb | 794 | static void print_chain_flags(SSL *s, int flags) |
0f113f3e | 795 | { |
3e8e688f | 796 | STRINT_PAIR *pp; |
ecf3a1fb | 797 | |
3e8e688f RS |
798 | for (pp = chain_flags; pp->name; ++pp) |
799 | BIO_printf(bio_err, "\t%s: %s\n", | |
800 | pp->name, | |
801 | (flags & pp->retval) ? "OK" : "NOT OK"); | |
ecf3a1fb | 802 | BIO_printf(bio_err, "\tSuite B: "); |
0f113f3e | 803 | if (SSL_set_cert_flags(s, 0) & SSL_CERT_FLAG_SUITEB_128_LOS) |
ecf3a1fb | 804 | BIO_puts(bio_err, flags & CERT_PKEY_SUITEB ? "OK\n" : "NOT OK\n"); |
0f113f3e | 805 | else |
ecf3a1fb | 806 | BIO_printf(bio_err, "not tested\n"); |
0f113f3e MC |
807 | } |
808 | ||
809 | /* | |
810 | * Very basic selection callback: just use any certificate chain reported as | |
811 | * valid. More sophisticated could prioritise according to local policy. | |
18d71588 DSH |
812 | */ |
813 | static int set_cert_cb(SSL *ssl, void *arg) | |
0f113f3e MC |
814 | { |
815 | int i, rv; | |
816 | SSL_EXCERT *exc = arg; | |
3323314f | 817 | #ifdef CERT_CB_TEST_RETRY |
0f113f3e MC |
818 | static int retry_cnt; |
819 | if (retry_cnt < 5) { | |
820 | retry_cnt++; | |
7768e116 RS |
821 | BIO_printf(bio_err, |
822 | "Certificate callback retry test: count %d\n", | |
823 | retry_cnt); | |
0f113f3e MC |
824 | return -1; |
825 | } | |
3323314f | 826 | #endif |
0f113f3e MC |
827 | SSL_certs_clear(ssl); |
828 | ||
2234212c | 829 | if (exc == NULL) |
0f113f3e MC |
830 | return 1; |
831 | ||
832 | /* | |
833 | * Go to end of list and traverse backwards since we prepend newer | |
834 | * entries this retains the original order. | |
835 | */ | |
2234212c | 836 | while (exc->next != NULL) |
0f113f3e MC |
837 | exc = exc->next; |
838 | ||
839 | i = 0; | |
840 | ||
2234212c | 841 | while (exc != NULL) { |
0f113f3e MC |
842 | i++; |
843 | rv = SSL_check_chain(ssl, exc->cert, exc->key, exc->chain); | |
844 | BIO_printf(bio_err, "Checking cert chain %d:\nSubject: ", i); | |
845 | X509_NAME_print_ex(bio_err, X509_get_subject_name(exc->cert), 0, | |
b5c4209b | 846 | get_nameopt()); |
0f113f3e | 847 | BIO_puts(bio_err, "\n"); |
ecf3a1fb | 848 | print_chain_flags(ssl, rv); |
0f113f3e | 849 | if (rv & CERT_PKEY_VALID) { |
61986d32 | 850 | if (!SSL_use_certificate(ssl, exc->cert) |
7e1b7485 | 851 | || !SSL_use_PrivateKey(ssl, exc->key)) { |
ac59d705 MC |
852 | return 0; |
853 | } | |
0f113f3e MC |
854 | /* |
855 | * NB: we wouldn't normally do this as it is not efficient | |
856 | * building chains on each connection better to cache the chain | |
857 | * in advance. | |
858 | */ | |
859 | if (exc->build_chain) { | |
860 | if (!SSL_build_cert_chain(ssl, 0)) | |
861 | return 0; | |
2234212c | 862 | } else if (exc->chain != NULL) { |
0f113f3e | 863 | SSL_set1_chain(ssl, exc->chain); |
2234212c | 864 | } |
0f113f3e MC |
865 | } |
866 | exc = exc->prev; | |
867 | } | |
868 | return 1; | |
869 | } | |
18d71588 DSH |
870 | |
871 | void ssl_ctx_set_excert(SSL_CTX *ctx, SSL_EXCERT *exc) | |
0f113f3e MC |
872 | { |
873 | SSL_CTX_set_cert_cb(ctx, set_cert_cb, exc); | |
874 | } | |
18d71588 DSH |
875 | |
876 | static int ssl_excert_prepend(SSL_EXCERT **pexc) | |
0f113f3e | 877 | { |
b4faea50 | 878 | SSL_EXCERT *exc = app_malloc(sizeof(*exc), "prepend cert"); |
68dc6824 | 879 | |
64b25758 | 880 | memset(exc, 0, sizeof(*exc)); |
0f113f3e MC |
881 | |
882 | exc->next = *pexc; | |
883 | *pexc = exc; | |
884 | ||
885 | if (exc->next) { | |
886 | exc->certform = exc->next->certform; | |
887 | exc->keyform = exc->next->keyform; | |
888 | exc->next->prev = exc; | |
889 | } else { | |
890 | exc->certform = FORMAT_PEM; | |
891 | exc->keyform = FORMAT_PEM; | |
892 | } | |
893 | return 1; | |
894 | ||
895 | } | |
18d71588 DSH |
896 | |
897 | void ssl_excert_free(SSL_EXCERT *exc) | |
0f113f3e MC |
898 | { |
899 | SSL_EXCERT *curr; | |
25aaa98a | 900 | |
2234212c | 901 | if (exc == NULL) |
25aaa98a | 902 | return; |
0f113f3e | 903 | while (exc) { |
222561fe | 904 | X509_free(exc->cert); |
c5ba2d99 | 905 | EVP_PKEY_free(exc->key); |
222561fe | 906 | sk_X509_pop_free(exc->chain, X509_free); |
0f113f3e MC |
907 | curr = exc; |
908 | exc = exc->next; | |
909 | OPENSSL_free(curr); | |
910 | } | |
911 | } | |
18d71588 | 912 | |
7e1b7485 | 913 | int load_excert(SSL_EXCERT **pexc) |
0f113f3e MC |
914 | { |
915 | SSL_EXCERT *exc = *pexc; | |
2234212c | 916 | if (exc == NULL) |
0f113f3e MC |
917 | return 1; |
918 | /* If nothing in list, free and set to NULL */ | |
2234212c | 919 | if (exc->certfile == NULL && exc->next == NULL) { |
0f113f3e MC |
920 | ssl_excert_free(exc); |
921 | *pexc = NULL; | |
922 | return 1; | |
923 | } | |
924 | for (; exc; exc = exc->next) { | |
2234212c | 925 | if (exc->certfile == NULL) { |
7e1b7485 | 926 | BIO_printf(bio_err, "Missing filename\n"); |
0f113f3e MC |
927 | return 0; |
928 | } | |
7e1b7485 | 929 | exc->cert = load_cert(exc->certfile, exc->certform, |
a773b52a | 930 | "Server Certificate"); |
2234212c | 931 | if (exc->cert == NULL) |
0f113f3e | 932 | return 0; |
2234212c | 933 | if (exc->keyfile != NULL) { |
7e1b7485 | 934 | exc->key = load_key(exc->keyfile, exc->keyform, |
0f113f3e MC |
935 | 0, NULL, NULL, "Server Key"); |
936 | } else { | |
7e1b7485 | 937 | exc->key = load_key(exc->certfile, exc->certform, |
0f113f3e MC |
938 | 0, NULL, NULL, "Server Key"); |
939 | } | |
2234212c | 940 | if (exc->key == NULL) |
0f113f3e | 941 | return 0; |
2234212c | 942 | if (exc->chainfile != NULL) { |
0996dc54 | 943 | if (!load_certs(exc->chainfile, &exc->chain, FORMAT_PEM, NULL, |
a773b52a | 944 | "Server Chain")) |
0f113f3e MC |
945 | return 0; |
946 | } | |
947 | } | |
948 | return 1; | |
949 | } | |
18d71588 | 950 | |
7e1b7485 RS |
951 | enum range { OPT_X_ENUM }; |
952 | ||
953 | int args_excert(int opt, SSL_EXCERT **pexc) | |
0f113f3e | 954 | { |
0f113f3e | 955 | SSL_EXCERT *exc = *pexc; |
7e1b7485 RS |
956 | |
957 | assert(opt > OPT_X__FIRST); | |
958 | assert(opt < OPT_X__LAST); | |
959 | ||
960 | if (exc == NULL) { | |
961 | if (!ssl_excert_prepend(&exc)) { | |
962 | BIO_printf(bio_err, " %s: Error initialising xcert\n", | |
963 | opt_getprog()); | |
0f113f3e MC |
964 | goto err; |
965 | } | |
7e1b7485 | 966 | *pexc = exc; |
0f113f3e | 967 | } |
7e1b7485 RS |
968 | |
969 | switch ((enum range)opt) { | |
970 | case OPT_X__FIRST: | |
971 | case OPT_X__LAST: | |
972 | return 0; | |
973 | case OPT_X_CERT: | |
2234212c | 974 | if (exc->certfile != NULL && !ssl_excert_prepend(&exc)) { |
7e1b7485 | 975 | BIO_printf(bio_err, "%s: Error adding xcert\n", opt_getprog()); |
0f113f3e MC |
976 | goto err; |
977 | } | |
52f4840c | 978 | *pexc = exc; |
7e1b7485 RS |
979 | exc->certfile = opt_arg(); |
980 | break; | |
981 | case OPT_X_KEY: | |
2234212c | 982 | if (exc->keyfile != NULL) { |
7e1b7485 | 983 | BIO_printf(bio_err, "%s: Key already specified\n", opt_getprog()); |
0f113f3e MC |
984 | goto err; |
985 | } | |
7e1b7485 RS |
986 | exc->keyfile = opt_arg(); |
987 | break; | |
988 | case OPT_X_CHAIN: | |
2234212c | 989 | if (exc->chainfile != NULL) { |
7e1b7485 RS |
990 | BIO_printf(bio_err, "%s: Chain already specified\n", |
991 | opt_getprog()); | |
0f113f3e MC |
992 | goto err; |
993 | } | |
7e1b7485 RS |
994 | exc->chainfile = opt_arg(); |
995 | break; | |
996 | case OPT_X_CHAIN_BUILD: | |
997 | exc->build_chain = 1; | |
998 | break; | |
999 | case OPT_X_CERTFORM: | |
1000 | if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &exc->certform)) | |
1001 | return 0; | |
1002 | break; | |
1003 | case OPT_X_KEYFORM: | |
1004 | if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &exc->keyform)) | |
1005 | return 0; | |
1006 | break; | |
1007 | } | |
0f113f3e MC |
1008 | return 1; |
1009 | ||
1010 | err: | |
7e1b7485 | 1011 | ERR_print_errors(bio_err); |
25aaa98a | 1012 | ssl_excert_free(exc); |
0f113f3e | 1013 | *pexc = NULL; |
7e1b7485 | 1014 | return 0; |
0f113f3e | 1015 | } |
18d71588 | 1016 | |
ecf3a1fb | 1017 | static void print_raw_cipherlist(SSL *s) |
0f113f3e MC |
1018 | { |
1019 | const unsigned char *rlist; | |
800fe8e3 | 1020 | static const unsigned char scsv_id[] = { 0, 0xFF }; |
0f113f3e MC |
1021 | size_t i, rlistlen, num; |
1022 | if (!SSL_is_server(s)) | |
1023 | return; | |
1024 | num = SSL_get0_raw_cipherlist(s, NULL); | |
800fe8e3 | 1025 | OPENSSL_assert(num == 2); |
0f113f3e | 1026 | rlistlen = SSL_get0_raw_cipherlist(s, &rlist); |
ecf3a1fb | 1027 | BIO_puts(bio_err, "Client cipher list: "); |
0f113f3e MC |
1028 | for (i = 0; i < rlistlen; i += num, rlist += num) { |
1029 | const SSL_CIPHER *c = SSL_CIPHER_find(s, rlist); | |
1030 | if (i) | |
ecf3a1fb | 1031 | BIO_puts(bio_err, ":"); |
2234212c | 1032 | if (c != NULL) { |
ecf3a1fb | 1033 | BIO_puts(bio_err, SSL_CIPHER_get_name(c)); |
2234212c | 1034 | } else if (memcmp(rlist, scsv_id, num) == 0) { |
ecf3a1fb | 1035 | BIO_puts(bio_err, "SCSV"); |
2234212c | 1036 | } else { |
0f113f3e | 1037 | size_t j; |
ecf3a1fb | 1038 | BIO_puts(bio_err, "0x"); |
0f113f3e | 1039 | for (j = 0; j < num; j++) |
ecf3a1fb | 1040 | BIO_printf(bio_err, "%02X", rlist[j]); |
0f113f3e MC |
1041 | } |
1042 | } | |
ecf3a1fb | 1043 | BIO_puts(bio_err, "\n"); |
0f113f3e | 1044 | } |
2a7cbe77 | 1045 | |
c0a445a9 VD |
1046 | /* |
1047 | * Hex encoder for TLSA RRdata, not ':' delimited. | |
1048 | */ | |
1049 | static char *hexencode(const unsigned char *data, size_t len) | |
1050 | { | |
1051 | static const char *hex = "0123456789abcdef"; | |
1052 | char *out; | |
1053 | char *cp; | |
1054 | size_t outlen = 2 * len + 1; | |
1055 | int ilen = (int) outlen; | |
1056 | ||
1057 | if (outlen < len || ilen < 0 || outlen != (size_t)ilen) { | |
7d672984 AP |
1058 | BIO_printf(bio_err, "%s: %zu-byte buffer too large to hexencode\n", |
1059 | opt_getprog(), len); | |
c0a445a9 VD |
1060 | exit(1); |
1061 | } | |
1062 | cp = out = app_malloc(ilen, "TLSA hex data buffer"); | |
1063 | ||
b5f40eb2 | 1064 | while (len-- > 0) { |
c0a445a9 VD |
1065 | *cp++ = hex[(*data >> 4) & 0x0f]; |
1066 | *cp++ = hex[*data++ & 0x0f]; | |
1067 | } | |
1068 | *cp = '\0'; | |
1069 | return out; | |
1070 | } | |
1071 | ||
1072 | void print_verify_detail(SSL *s, BIO *bio) | |
1073 | { | |
1074 | int mdpth; | |
1075 | EVP_PKEY *mspki; | |
1076 | long verify_err = SSL_get_verify_result(s); | |
1077 | ||
1078 | if (verify_err == X509_V_OK) { | |
1079 | const char *peername = SSL_get0_peername(s); | |
1080 | ||
1081 | BIO_printf(bio, "Verification: OK\n"); | |
1082 | if (peername != NULL) | |
1083 | BIO_printf(bio, "Verified peername: %s\n", peername); | |
1084 | } else { | |
1085 | const char *reason = X509_verify_cert_error_string(verify_err); | |
1086 | ||
1087 | BIO_printf(bio, "Verification error: %s\n", reason); | |
1088 | } | |
1089 | ||
1090 | if ((mdpth = SSL_get0_dane_authority(s, NULL, &mspki)) >= 0) { | |
1091 | uint8_t usage, selector, mtype; | |
1092 | const unsigned char *data = NULL; | |
1093 | size_t dlen = 0; | |
1094 | char *hexdata; | |
1095 | ||
1096 | mdpth = SSL_get0_dane_tlsa(s, &usage, &selector, &mtype, &data, &dlen); | |
1097 | ||
1098 | /* | |
1099 | * The TLSA data field can be quite long when it is a certificate, | |
1100 | * public key or even a SHA2-512 digest. Because the initial octets of | |
1101 | * ASN.1 certificates and public keys contain mostly boilerplate OIDs | |
1102 | * and lengths, we show the last 12 bytes of the data instead, as these | |
1103 | * are more likely to distinguish distinct TLSA records. | |
1104 | */ | |
1105 | #define TLSA_TAIL_SIZE 12 | |
1106 | if (dlen > TLSA_TAIL_SIZE) | |
1107 | hexdata = hexencode(data + dlen - TLSA_TAIL_SIZE, TLSA_TAIL_SIZE); | |
1108 | else | |
1109 | hexdata = hexencode(data, dlen); | |
1110 | BIO_printf(bio, "DANE TLSA %d %d %d %s%s %s at depth %d\n", | |
1111 | usage, selector, mtype, | |
1112 | (dlen > TLSA_TAIL_SIZE) ? "..." : "", hexdata, | |
1113 | (mspki != NULL) ? "signed the certificate" : | |
1114 | mdpth ? "matched TA certificate" : "matched EE certificate", | |
1115 | mdpth); | |
1116 | OPENSSL_free(hexdata); | |
1117 | } | |
1118 | } | |
1119 | ||
ecf3a1fb | 1120 | void print_ssl_summary(SSL *s) |
0f113f3e MC |
1121 | { |
1122 | const SSL_CIPHER *c; | |
1123 | X509 *peer; | |
ecf3a1fb RS |
1124 | |
1125 | BIO_printf(bio_err, "Protocol version: %s\n", SSL_get_version(s)); | |
1126 | print_raw_cipherlist(s); | |
0f113f3e | 1127 | c = SSL_get_current_cipher(s); |
ecf3a1fb RS |
1128 | BIO_printf(bio_err, "Ciphersuite: %s\n", SSL_CIPHER_get_name(c)); |
1129 | do_print_sigalgs(bio_err, s, 0); | |
0f113f3e | 1130 | peer = SSL_get_peer_certificate(s); |
2234212c | 1131 | if (peer != NULL) { |
0f113f3e | 1132 | int nid; |
c0a445a9 | 1133 | |
ecf3a1fb RS |
1134 | BIO_puts(bio_err, "Peer certificate: "); |
1135 | X509_NAME_print_ex(bio_err, X509_get_subject_name(peer), | |
b5c4209b | 1136 | 0, get_nameopt()); |
ecf3a1fb | 1137 | BIO_puts(bio_err, "\n"); |
0f113f3e | 1138 | if (SSL_get_peer_signature_nid(s, &nid)) |
ecf3a1fb | 1139 | BIO_printf(bio_err, "Hash used: %s\n", OBJ_nid2sn(nid)); |
42ef7aea DSH |
1140 | if (SSL_get_peer_signature_type_nid(s, &nid)) |
1141 | BIO_printf(bio_err, "Signature type: %s\n", get_sigtype(nid)); | |
c0a445a9 | 1142 | print_verify_detail(s, bio_err); |
2234212c | 1143 | } else { |
ecf3a1fb | 1144 | BIO_puts(bio_err, "No peer certificate\n"); |
2234212c | 1145 | } |
222561fe | 1146 | X509_free(peer); |
14536c8c | 1147 | #ifndef OPENSSL_NO_EC |
ecf3a1fb | 1148 | ssl_print_point_formats(bio_err, s); |
0f113f3e | 1149 | if (SSL_is_server(s)) |
de4d764e | 1150 | ssl_print_groups(bio_err, s, 1); |
0f113f3e | 1151 | else |
ecf3a1fb | 1152 | ssl_print_tmp_key(bio_err, s); |
14536c8c | 1153 | #else |
0f113f3e | 1154 | if (!SSL_is_server(s)) |
ecf3a1fb | 1155 | ssl_print_tmp_key(bio_err, s); |
14536c8c | 1156 | #endif |
0f113f3e | 1157 | } |
2a7cbe77 | 1158 | |
7e1b7485 | 1159 | int config_ctx(SSL_CONF_CTX *cctx, STACK_OF(OPENSSL_STRING) *str, |
dba31777 | 1160 | SSL_CTX *ctx) |
0f113f3e MC |
1161 | { |
1162 | int i; | |
7e1b7485 | 1163 | |
0f113f3e MC |
1164 | SSL_CONF_CTX_set_ssl_ctx(cctx, ctx); |
1165 | for (i = 0; i < sk_OPENSSL_STRING_num(str); i += 2) { | |
7e1b7485 RS |
1166 | const char *flag = sk_OPENSSL_STRING_value(str, i); |
1167 | const char *arg = sk_OPENSSL_STRING_value(str, i + 1); | |
7e1b7485 | 1168 | if (SSL_CONF_cmd(cctx, flag, arg) <= 0) { |
2234212c | 1169 | if (arg != NULL) |
7e1b7485 RS |
1170 | BIO_printf(bio_err, "Error with command: \"%s %s\"\n", |
1171 | flag, arg); | |
1172 | else | |
1173 | BIO_printf(bio_err, "Error with command: \"%s\"\n", flag); | |
1174 | ERR_print_errors(bio_err); | |
0f113f3e MC |
1175 | return 0; |
1176 | } | |
1177 | } | |
0f113f3e | 1178 | if (!SSL_CONF_CTX_finish(cctx)) { |
7e1b7485 RS |
1179 | BIO_puts(bio_err, "Error finishing context\n"); |
1180 | ERR_print_errors(bio_err); | |
0f113f3e MC |
1181 | return 0; |
1182 | } | |
1183 | return 1; | |
1184 | } | |
a5afc0a8 | 1185 | |
fdb78f3d | 1186 | static int add_crls_store(X509_STORE *st, STACK_OF(X509_CRL) *crls) |
0f113f3e MC |
1187 | { |
1188 | X509_CRL *crl; | |
1189 | int i; | |
1190 | for (i = 0; i < sk_X509_CRL_num(crls); i++) { | |
1191 | crl = sk_X509_CRL_value(crls, i); | |
1192 | X509_STORE_add_crl(st, crl); | |
1193 | } | |
1194 | return 1; | |
1195 | } | |
fdb78f3d | 1196 | |
0090a686 | 1197 | int ssl_ctx_add_crls(SSL_CTX *ctx, STACK_OF(X509_CRL) *crls, int crl_download) |
0f113f3e MC |
1198 | { |
1199 | X509_STORE *st; | |
1200 | st = SSL_CTX_get_cert_store(ctx); | |
1201 | add_crls_store(st, crls); | |
1202 | if (crl_download) | |
1203 | store_setup_crl_download(st); | |
1204 | return 1; | |
1205 | } | |
fdb78f3d | 1206 | |
a5afc0a8 | 1207 | int ssl_load_stores(SSL_CTX *ctx, |
0f113f3e MC |
1208 | const char *vfyCApath, const char *vfyCAfile, |
1209 | const char *chCApath, const char *chCAfile, | |
1210 | STACK_OF(X509_CRL) *crls, int crl_download) | |
1211 | { | |
1212 | X509_STORE *vfy = NULL, *ch = NULL; | |
1213 | int rv = 0; | |
96487cdd | 1214 | if (vfyCApath != NULL || vfyCAfile != NULL) { |
0f113f3e | 1215 | vfy = X509_STORE_new(); |
96487cdd MC |
1216 | if (vfy == NULL) |
1217 | goto err; | |
0f113f3e MC |
1218 | if (!X509_STORE_load_locations(vfy, vfyCAfile, vfyCApath)) |
1219 | goto err; | |
1220 | add_crls_store(vfy, crls); | |
1221 | SSL_CTX_set1_verify_cert_store(ctx, vfy); | |
1222 | if (crl_download) | |
1223 | store_setup_crl_download(vfy); | |
1224 | } | |
96487cdd | 1225 | if (chCApath != NULL || chCAfile != NULL) { |
0f113f3e | 1226 | ch = X509_STORE_new(); |
96487cdd MC |
1227 | if (ch == NULL) |
1228 | goto err; | |
0f113f3e MC |
1229 | if (!X509_STORE_load_locations(ch, chCAfile, chCApath)) |
1230 | goto err; | |
1231 | SSL_CTX_set1_chain_cert_store(ctx, ch); | |
1232 | } | |
1233 | rv = 1; | |
1234 | err: | |
222561fe RS |
1235 | X509_STORE_free(vfy); |
1236 | X509_STORE_free(ch); | |
0f113f3e MC |
1237 | return rv; |
1238 | } | |
e03c5b59 DSH |
1239 | |
1240 | /* Verbose print out of security callback */ | |
1241 | ||
0f113f3e MC |
1242 | typedef struct { |
1243 | BIO *out; | |
1244 | int verbose; | |
e4646a89 | 1245 | int (*old_cb) (const SSL *s, const SSL_CTX *ctx, int op, int bits, int nid, |
0f113f3e MC |
1246 | void *other, void *ex); |
1247 | } security_debug_ex; | |
e03c5b59 | 1248 | |
3e8e688f RS |
1249 | static STRINT_PAIR callback_types[] = { |
1250 | {"Supported Ciphersuite", SSL_SECOP_CIPHER_SUPPORTED}, | |
1251 | {"Shared Ciphersuite", SSL_SECOP_CIPHER_SHARED}, | |
1252 | {"Check Ciphersuite", SSL_SECOP_CIPHER_CHECK}, | |
1253 | #ifndef OPENSSL_NO_DH | |
1254 | {"Temp DH key bits", SSL_SECOP_TMP_DH}, | |
1255 | #endif | |
1256 | {"Supported Curve", SSL_SECOP_CURVE_SUPPORTED}, | |
1257 | {"Shared Curve", SSL_SECOP_CURVE_SHARED}, | |
1258 | {"Check Curve", SSL_SECOP_CURVE_CHECK}, | |
1259 | {"Supported Signature Algorithm digest", SSL_SECOP_SIGALG_SUPPORTED}, | |
1260 | {"Shared Signature Algorithm digest", SSL_SECOP_SIGALG_SHARED}, | |
1261 | {"Check Signature Algorithm digest", SSL_SECOP_SIGALG_CHECK}, | |
1262 | {"Signature Algorithm mask", SSL_SECOP_SIGALG_MASK}, | |
1263 | {"Certificate chain EE key", SSL_SECOP_EE_KEY}, | |
1264 | {"Certificate chain CA key", SSL_SECOP_CA_KEY}, | |
1265 | {"Peer Chain EE key", SSL_SECOP_PEER_EE_KEY}, | |
1266 | {"Peer Chain CA key", SSL_SECOP_PEER_CA_KEY}, | |
1267 | {"Certificate chain CA digest", SSL_SECOP_CA_MD}, | |
1268 | {"Peer chain CA digest", SSL_SECOP_PEER_CA_MD}, | |
1269 | {"SSL compression", SSL_SECOP_COMPRESSION}, | |
1270 | {"Session ticket", SSL_SECOP_TICKET}, | |
1271 | {NULL} | |
1272 | }; | |
1273 | ||
e4646a89 | 1274 | static int security_callback_debug(const SSL *s, const SSL_CTX *ctx, |
0f113f3e MC |
1275 | int op, int bits, int nid, |
1276 | void *other, void *ex) | |
1277 | { | |
1278 | security_debug_ex *sdb = ex; | |
1279 | int rv, show_bits = 1, cert_md = 0; | |
1280 | const char *nm; | |
1281 | rv = sdb->old_cb(s, ctx, op, bits, nid, other, ex); | |
1282 | if (rv == 1 && sdb->verbose < 2) | |
1283 | return 1; | |
1284 | BIO_puts(sdb->out, "Security callback: "); | |
1285 | ||
3e8e688f | 1286 | nm = lookup(op, callback_types, NULL); |
0f113f3e | 1287 | switch (op) { |
0f113f3e | 1288 | case SSL_SECOP_TICKET: |
0f113f3e | 1289 | case SSL_SECOP_COMPRESSION: |
0f113f3e MC |
1290 | show_bits = 0; |
1291 | nm = NULL; | |
1292 | break; | |
0f113f3e | 1293 | case SSL_SECOP_VERSION: |
3e8e688f | 1294 | BIO_printf(sdb->out, "Version=%s", lookup(nid, ssl_versions, "???")); |
0f113f3e MC |
1295 | show_bits = 0; |
1296 | nm = NULL; | |
1297 | break; | |
0f113f3e | 1298 | case SSL_SECOP_CA_MD: |
0f113f3e MC |
1299 | case SSL_SECOP_PEER_CA_MD: |
1300 | cert_md = 1; | |
0f113f3e | 1301 | break; |
0f113f3e | 1302 | } |
2234212c | 1303 | if (nm != NULL) |
0f113f3e MC |
1304 | BIO_printf(sdb->out, "%s=", nm); |
1305 | ||
1306 | switch (op & SSL_SECOP_OTHER_TYPE) { | |
1307 | ||
1308 | case SSL_SECOP_OTHER_CIPHER: | |
1309 | BIO_puts(sdb->out, SSL_CIPHER_get_name(other)); | |
1310 | break; | |
e03c5b59 | 1311 | |
fd86c2b1 | 1312 | #ifndef OPENSSL_NO_EC |
0f113f3e MC |
1313 | case SSL_SECOP_OTHER_CURVE: |
1314 | { | |
1315 | const char *cname; | |
1316 | cname = EC_curve_nid2nist(nid); | |
1317 | if (cname == NULL) | |
1318 | cname = OBJ_nid2sn(nid); | |
1319 | BIO_puts(sdb->out, cname); | |
1320 | } | |
1321 | break; | |
fd86c2b1 | 1322 | #endif |
37f3a3b3 | 1323 | #ifndef OPENSSL_NO_DH |
0f113f3e MC |
1324 | case SSL_SECOP_OTHER_DH: |
1325 | { | |
1326 | DH *dh = other; | |
0aeddcfa | 1327 | BIO_printf(sdb->out, "%d", DH_bits(dh)); |
0f113f3e MC |
1328 | break; |
1329 | } | |
37f3a3b3 | 1330 | #endif |
0f113f3e MC |
1331 | case SSL_SECOP_OTHER_CERT: |
1332 | { | |
1333 | if (cert_md) { | |
1334 | int sig_nid = X509_get_signature_nid(other); | |
1335 | BIO_puts(sdb->out, OBJ_nid2sn(sig_nid)); | |
1336 | } else { | |
c01ff880 | 1337 | EVP_PKEY *pkey = X509_get0_pubkey(other); |
0f113f3e MC |
1338 | const char *algname = ""; |
1339 | EVP_PKEY_asn1_get0_info(NULL, NULL, NULL, NULL, | |
1340 | &algname, EVP_PKEY_get0_asn1(pkey)); | |
1341 | BIO_printf(sdb->out, "%s, bits=%d", | |
1342 | algname, EVP_PKEY_bits(pkey)); | |
0f113f3e MC |
1343 | } |
1344 | break; | |
1345 | } | |
1346 | case SSL_SECOP_OTHER_SIGALG: | |
1347 | { | |
1348 | const unsigned char *salg = other; | |
1349 | const char *sname = NULL; | |
1350 | switch (salg[1]) { | |
1351 | case TLSEXT_signature_anonymous: | |
1352 | sname = "anonymous"; | |
1353 | break; | |
1354 | case TLSEXT_signature_rsa: | |
1355 | sname = "RSA"; | |
1356 | break; | |
1357 | case TLSEXT_signature_dsa: | |
1358 | sname = "DSA"; | |
1359 | break; | |
1360 | case TLSEXT_signature_ecdsa: | |
1361 | sname = "ECDSA"; | |
1362 | break; | |
1363 | } | |
1364 | ||
1365 | BIO_puts(sdb->out, OBJ_nid2sn(nid)); | |
1366 | if (sname) | |
1367 | BIO_printf(sdb->out, ", algorithm=%s", sname); | |
1368 | else | |
1369 | BIO_printf(sdb->out, ", algid=%d", salg[1]); | |
1370 | break; | |
1371 | } | |
1372 | ||
1373 | } | |
1374 | ||
1375 | if (show_bits) | |
1376 | BIO_printf(sdb->out, ", security bits=%d", bits); | |
1377 | BIO_printf(sdb->out, ": %s\n", rv ? "yes" : "no"); | |
1378 | return rv; | |
1379 | } | |
e03c5b59 | 1380 | |
ecf3a1fb | 1381 | void ssl_ctx_security_debug(SSL_CTX *ctx, int verbose) |
0f113f3e MC |
1382 | { |
1383 | static security_debug_ex sdb; | |
ecf3a1fb RS |
1384 | |
1385 | sdb.out = bio_err; | |
0f113f3e MC |
1386 | sdb.verbose = verbose; |
1387 | sdb.old_cb = SSL_CTX_get_security_callback(ctx); | |
1388 | SSL_CTX_set_security_callback(ctx, security_callback_debug); | |
1389 | SSL_CTX_set0_security_ex_data(ctx, &sdb); | |
1390 | } | |
4bf73e9f PW |
1391 | |
1392 | static void keylog_callback(const SSL *ssl, const char *line) | |
1393 | { | |
1394 | if (bio_keylog == NULL) { | |
1395 | BIO_printf(bio_err, "Keylog callback is invoked without valid file!\n"); | |
1396 | return; | |
1397 | } | |
1398 | ||
1399 | /* | |
1400 | * There might be concurrent writers to the keylog file, so we must ensure | |
1401 | * that the given line is written at once. | |
1402 | */ | |
1403 | BIO_printf(bio_keylog, "%s\n", line); | |
1404 | (void)BIO_flush(bio_keylog); | |
1405 | } | |
1406 | ||
1407 | int set_keylog_file(SSL_CTX *ctx, const char *keylog_file) | |
1408 | { | |
1409 | /* Close any open files */ | |
1410 | BIO_free_all(bio_keylog); | |
1411 | bio_keylog = NULL; | |
1412 | ||
1413 | if (ctx == NULL || keylog_file == NULL) { | |
1414 | /* Keylogging is disabled, OK. */ | |
1415 | return 0; | |
1416 | } | |
1417 | ||
1418 | /* | |
1419 | * Append rather than write in order to allow concurrent modification. | |
1420 | * Furthermore, this preserves existing keylog files which is useful when | |
1421 | * the tool is run multiple times. | |
1422 | */ | |
1423 | bio_keylog = BIO_new_file(keylog_file, "a"); | |
1424 | if (bio_keylog == NULL) { | |
1425 | BIO_printf(bio_err, "Error writing keylog file %s\n", keylog_file); | |
1426 | return 1; | |
1427 | } | |
1428 | ||
1429 | /* Write a header for seekable, empty files (this excludes pipes). */ | |
1430 | if (BIO_tell(bio_keylog) == 0) { | |
1431 | BIO_puts(bio_keylog, | |
1432 | "# SSL/TLS secrets log file, generated by OpenSSL\n"); | |
1433 | (void)BIO_flush(bio_keylog); | |
1434 | } | |
1435 | SSL_CTX_set_keylog_callback(ctx, keylog_callback); | |
1436 | return 0; | |
1437 | } | |
5969a2dd DSH |
1438 | |
1439 | void print_ca_names(BIO *bio, SSL *s) | |
1440 | { | |
1441 | const char *cs = SSL_is_server(s) ? "server" : "client"; | |
1442 | const STACK_OF(X509_NAME) *sk = SSL_get0_peer_CA_list(s); | |
1443 | int i; | |
1444 | ||
1445 | if (sk == NULL || sk_X509_NAME_num(sk) == 0) { | |
1446 | BIO_printf(bio, "---\nNo %s certificate CA names sent\n", cs); | |
1447 | return; | |
1448 | } | |
1449 | ||
1450 | BIO_printf(bio, "---\nAcceptable %s certificate CA names\n",cs); | |
1451 | for (i = 0; i < sk_X509_NAME_num(sk); i++) { | |
b5c4209b | 1452 | X509_NAME_print_ex(bio, sk_X509_NAME_value(sk, i), 0, get_nameopt()); |
5969a2dd DSH |
1453 | BIO_write(bio, "\n", 1); |
1454 | } | |
1455 | } |