]>
Commit | Line | Data |
---|---|---|
846e33c7 | 1 | /* |
6738bf14 | 2 | * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved. |
a661b653 | 3 | * |
dffa7520 | 4 | * Licensed under the Apache License 2.0 (the "License"). You may not use |
846e33c7 RS |
5 | * this file except in compliance with the License. You can obtain a copy |
6 | * in the file LICENSE in the source distribution or at | |
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 | |
78021171 | 27 | VERIFY_CB_ARGS verify_args = { -1, 0, X509_V_OK, 0 }; |
acc00492 | 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)); | |
78021171 | 66 | if (verify_args.depth < 0 || verify_args.depth >= depth) { |
acc00492 | 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 | ||
f3a246c6 DB |
237 | case NID_id_GostR3410_2001: |
238 | return "gost2001"; | |
239 | ||
240 | case NID_id_GostR3410_2012_256: | |
241 | return "gost2012_256"; | |
242 | ||
243 | case NID_id_GostR3410_2012_512: | |
244 | return "gost2012_512"; | |
245 | ||
42ef7aea DSH |
246 | default: |
247 | return NULL; | |
248 | } | |
249 | } | |
250 | ||
9f27b1ee | 251 | static int do_print_sigalgs(BIO *out, SSL *s, int shared) |
0f113f3e MC |
252 | { |
253 | int i, nsig, client; | |
254 | client = SSL_is_server(s) ? 0 : 1; | |
255 | if (shared) | |
6d047e06 | 256 | nsig = SSL_get_shared_sigalgs(s, 0, NULL, NULL, NULL, NULL, NULL); |
0f113f3e MC |
257 | else |
258 | nsig = SSL_get_sigalgs(s, -1, NULL, NULL, NULL, NULL, NULL); | |
259 | if (nsig == 0) | |
260 | return 1; | |
261 | ||
262 | if (shared) | |
263 | BIO_puts(out, "Shared "); | |
264 | ||
265 | if (client) | |
266 | BIO_puts(out, "Requested "); | |
267 | BIO_puts(out, "Signature Algorithms: "); | |
268 | for (i = 0; i < nsig; i++) { | |
269 | int hash_nid, sign_nid; | |
270 | unsigned char rhash, rsign; | |
271 | const char *sstr = NULL; | |
272 | if (shared) | |
273 | SSL_get_shared_sigalgs(s, i, &sign_nid, &hash_nid, NULL, | |
274 | &rsign, &rhash); | |
275 | else | |
276 | SSL_get_sigalgs(s, i, &sign_nid, &hash_nid, NULL, &rsign, &rhash); | |
277 | if (i) | |
278 | BIO_puts(out, ":"); | |
91410d40 | 279 | sstr = get_sigtype(sign_nid); |
0f113f3e | 280 | if (sstr) |
03327c8b | 281 | BIO_printf(out, "%s", sstr); |
0f113f3e | 282 | else |
03327c8b | 283 | BIO_printf(out, "0x%02X", (int)rsign); |
0f113f3e | 284 | if (hash_nid != NID_undef) |
03327c8b DSH |
285 | BIO_printf(out, "+%s", OBJ_nid2sn(hash_nid)); |
286 | else if (sstr == NULL) | |
287 | BIO_printf(out, "+0x%02X", (int)rhash); | |
0f113f3e MC |
288 | } |
289 | BIO_puts(out, "\n"); | |
290 | return 1; | |
291 | } | |
e7f8ff43 | 292 | |
9f27b1ee | 293 | int ssl_print_sigalgs(BIO *out, SSL *s) |
0f113f3e | 294 | { |
42ef7aea | 295 | int nid; |
0f113f3e MC |
296 | if (!SSL_is_server(s)) |
297 | ssl_print_client_cert_types(out, s); | |
298 | do_print_sigalgs(out, s, 0); | |
299 | do_print_sigalgs(out, s, 1); | |
03327c8b | 300 | if (SSL_get_peer_signature_nid(s, &nid) && nid != NID_undef) |
42ef7aea DSH |
301 | BIO_printf(out, "Peer signing digest: %s\n", OBJ_nid2sn(nid)); |
302 | if (SSL_get_peer_signature_type_nid(s, &nid)) | |
395f7c42 | 303 | BIO_printf(out, "Peer signature type: %s\n", get_sigtype(nid)); |
0f113f3e MC |
304 | return 1; |
305 | } | |
306 | ||
14536c8c | 307 | #ifndef OPENSSL_NO_EC |
20b431e3 | 308 | int ssl_print_point_formats(BIO *out, SSL *s) |
0f113f3e MC |
309 | { |
310 | int i, nformats; | |
311 | const char *pformats; | |
312 | nformats = SSL_get0_ec_point_formats(s, &pformats); | |
313 | if (nformats <= 0) | |
314 | return 1; | |
315 | BIO_puts(out, "Supported Elliptic Curve Point Formats: "); | |
316 | for (i = 0; i < nformats; i++, pformats++) { | |
317 | if (i) | |
318 | BIO_puts(out, ":"); | |
319 | switch (*pformats) { | |
320 | case TLSEXT_ECPOINTFORMAT_uncompressed: | |
321 | BIO_puts(out, "uncompressed"); | |
322 | break; | |
323 | ||
324 | case TLSEXT_ECPOINTFORMAT_ansiX962_compressed_prime: | |
325 | BIO_puts(out, "ansiX962_compressed_prime"); | |
326 | break; | |
327 | ||
328 | case TLSEXT_ECPOINTFORMAT_ansiX962_compressed_char2: | |
329 | BIO_puts(out, "ansiX962_compressed_char2"); | |
330 | break; | |
331 | ||
332 | default: | |
333 | BIO_printf(out, "unknown(%d)", (int)*pformats); | |
334 | break; | |
335 | ||
336 | } | |
337 | } | |
0f113f3e MC |
338 | BIO_puts(out, "\n"); |
339 | return 1; | |
340 | } | |
20b431e3 | 341 | |
de4d764e | 342 | int ssl_print_groups(BIO *out, SSL *s, int noshared) |
0f113f3e | 343 | { |
de4d764e MC |
344 | int i, ngroups, *groups, nid; |
345 | const char *gname; | |
7e1b7485 | 346 | |
de4d764e MC |
347 | ngroups = SSL_get1_groups(s, NULL); |
348 | if (ngroups <= 0) | |
0f113f3e | 349 | return 1; |
de4d764e MC |
350 | groups = app_malloc(ngroups * sizeof(int), "groups to print"); |
351 | SSL_get1_groups(s, groups); | |
0f113f3e | 352 | |
de4d764e MC |
353 | BIO_puts(out, "Supported Elliptic Groups: "); |
354 | for (i = 0; i < ngroups; i++) { | |
0f113f3e MC |
355 | if (i) |
356 | BIO_puts(out, ":"); | |
de4d764e | 357 | nid = groups[i]; |
0f113f3e | 358 | /* If unrecognised print out hex version */ |
2234212c | 359 | if (nid & TLSEXT_nid_unknown) { |
0f113f3e | 360 | BIO_printf(out, "0x%04X", nid & 0xFFFF); |
2234212c | 361 | } else { |
de4d764e | 362 | /* TODO(TLS1.3): Get group name here */ |
0f113f3e | 363 | /* Use NIST name for curve if it exists */ |
de4d764e | 364 | gname = EC_curve_nid2nist(nid); |
2234212c | 365 | if (gname == NULL) |
de4d764e MC |
366 | gname = OBJ_nid2sn(nid); |
367 | BIO_printf(out, "%s", gname); | |
0f113f3e MC |
368 | } |
369 | } | |
de4d764e | 370 | OPENSSL_free(groups); |
0f113f3e MC |
371 | if (noshared) { |
372 | BIO_puts(out, "\n"); | |
373 | return 1; | |
374 | } | |
de4d764e MC |
375 | BIO_puts(out, "\nShared Elliptic groups: "); |
376 | ngroups = SSL_get_shared_group(s, -1); | |
377 | for (i = 0; i < ngroups; i++) { | |
0f113f3e MC |
378 | if (i) |
379 | BIO_puts(out, ":"); | |
de4d764e MC |
380 | nid = SSL_get_shared_group(s, i); |
381 | /* TODO(TLS1.3): Convert for DH groups */ | |
382 | gname = EC_curve_nid2nist(nid); | |
2234212c | 383 | if (gname == NULL) |
de4d764e MC |
384 | gname = OBJ_nid2sn(nid); |
385 | BIO_printf(out, "%s", gname); | |
0f113f3e | 386 | } |
de4d764e | 387 | if (ngroups == 0) |
0f113f3e MC |
388 | BIO_puts(out, "NONE"); |
389 | BIO_puts(out, "\n"); | |
390 | return 1; | |
391 | } | |
14536c8c | 392 | #endif |
2234212c | 393 | |
33a8de69 | 394 | int ssl_print_tmp_key(BIO *out, SSL *s) |
0f113f3e MC |
395 | { |
396 | EVP_PKEY *key; | |
a51c9f63 VD |
397 | |
398 | if (!SSL_get_peer_tmp_key(s, &key)) | |
0f113f3e MC |
399 | return 1; |
400 | BIO_puts(out, "Server Temp Key: "); | |
401 | switch (EVP_PKEY_id(key)) { | |
402 | case EVP_PKEY_RSA: | |
403 | BIO_printf(out, "RSA, %d bits\n", EVP_PKEY_bits(key)); | |
404 | break; | |
405 | ||
406 | case EVP_PKEY_DH: | |
407 | BIO_printf(out, "DH, %d bits\n", EVP_PKEY_bits(key)); | |
408 | break; | |
10bf4fc2 | 409 | #ifndef OPENSSL_NO_EC |
0f113f3e MC |
410 | case EVP_PKEY_EC: |
411 | { | |
412 | EC_KEY *ec = EVP_PKEY_get1_EC_KEY(key); | |
413 | int nid; | |
414 | const char *cname; | |
415 | nid = EC_GROUP_get_curve_name(EC_KEY_get0_group(ec)); | |
416 | EC_KEY_free(ec); | |
417 | cname = EC_curve_nid2nist(nid); | |
2234212c | 418 | if (cname == NULL) |
0f113f3e MC |
419 | cname = OBJ_nid2sn(nid); |
420 | BIO_printf(out, "ECDH, %s, %d bits\n", cname, EVP_PKEY_bits(key)); | |
421 | } | |
23143e4d | 422 | break; |
14536c8c | 423 | #endif |
23143e4d DSH |
424 | default: |
425 | BIO_printf(out, "%s, %d bits\n", OBJ_nid2sn(EVP_PKEY_id(key)), | |
426 | EVP_PKEY_bits(key)); | |
0f113f3e MC |
427 | } |
428 | EVP_PKEY_free(key); | |
429 | return 1; | |
430 | } | |
e7f8ff43 | 431 | |
6d23cf97 | 432 | long bio_dump_callback(BIO *bio, int cmd, const char *argp, |
0f113f3e MC |
433 | int argi, long argl, long ret) |
434 | { | |
435 | BIO *out; | |
436 | ||
437 | out = (BIO *)BIO_get_callback_arg(bio); | |
438 | if (out == NULL) | |
26a7d938 | 439 | return ret; |
0f113f3e MC |
440 | |
441 | if (cmd == (BIO_CB_READ | BIO_CB_RETURN)) { | |
442 | BIO_printf(out, "read from %p [%p] (%lu bytes => %ld (0x%lX))\n", | |
50eadf2a | 443 | (void *)bio, (void *)argp, (unsigned long)argi, ret, ret); |
0f113f3e | 444 | BIO_dump(out, argp, (int)ret); |
26a7d938 | 445 | return ret; |
0f113f3e MC |
446 | } else if (cmd == (BIO_CB_WRITE | BIO_CB_RETURN)) { |
447 | BIO_printf(out, "write to %p [%p] (%lu bytes => %ld (0x%lX))\n", | |
50eadf2a | 448 | (void *)bio, (void *)argp, (unsigned long)argi, ret, ret); |
0f113f3e MC |
449 | BIO_dump(out, argp, (int)ret); |
450 | } | |
26a7d938 | 451 | return ret; |
0f113f3e | 452 | } |
d02b48c6 | 453 | |
6d23cf97 | 454 | void apps_ssl_info_callback(const SSL *s, int where, int ret) |
0f113f3e MC |
455 | { |
456 | const char *str; | |
457 | int w; | |
458 | ||
459 | w = where & ~SSL_ST_MASK; | |
460 | ||
461 | if (w & SSL_ST_CONNECT) | |
462 | str = "SSL_connect"; | |
463 | else if (w & SSL_ST_ACCEPT) | |
464 | str = "SSL_accept"; | |
465 | else | |
466 | str = "undefined"; | |
467 | ||
468 | if (where & SSL_CB_LOOP) { | |
469 | BIO_printf(bio_err, "%s:%s\n", str, SSL_state_string_long(s)); | |
470 | } else if (where & SSL_CB_ALERT) { | |
471 | str = (where & SSL_CB_READ) ? "read" : "write"; | |
472 | BIO_printf(bio_err, "SSL3 alert %s:%s:%s\n", | |
473 | str, | |
474 | SSL_alert_type_string_long(ret), | |
475 | SSL_alert_desc_string_long(ret)); | |
476 | } else if (where & SSL_CB_EXIT) { | |
477 | if (ret == 0) | |
478 | BIO_printf(bio_err, "%s:failed in %s\n", | |
479 | str, SSL_state_string_long(s)); | |
2234212c | 480 | else if (ret < 0) |
0f113f3e MC |
481 | BIO_printf(bio_err, "%s:error in %s\n", |
482 | str, SSL_state_string_long(s)); | |
0f113f3e MC |
483 | } |
484 | } | |
d02b48c6 | 485 | |
3e8e688f RS |
486 | static STRINT_PAIR ssl_versions[] = { |
487 | {"SSL 3.0", SSL3_VERSION}, | |
488 | {"TLS 1.0", TLS1_VERSION}, | |
489 | {"TLS 1.1", TLS1_1_VERSION}, | |
490 | {"TLS 1.2", TLS1_2_VERSION}, | |
582a17d6 | 491 | {"TLS 1.3", TLS1_3_VERSION}, |
3e8e688f RS |
492 | {"DTLS 1.0", DTLS1_VERSION}, |
493 | {"DTLS 1.0 (bad)", DTLS1_BAD_VER}, | |
494 | {NULL} | |
495 | }; | |
2234212c | 496 | |
3e8e688f RS |
497 | static STRINT_PAIR alert_types[] = { |
498 | {" close_notify", 0}, | |
b35fb005 | 499 | {" end_of_early_data", 1}, |
3e8e688f RS |
500 | {" unexpected_message", 10}, |
501 | {" bad_record_mac", 20}, | |
502 | {" decryption_failed", 21}, | |
503 | {" record_overflow", 22}, | |
504 | {" decompression_failure", 30}, | |
505 | {" handshake_failure", 40}, | |
506 | {" bad_certificate", 42}, | |
507 | {" unsupported_certificate", 43}, | |
508 | {" certificate_revoked", 44}, | |
509 | {" certificate_expired", 45}, | |
510 | {" certificate_unknown", 46}, | |
511 | {" illegal_parameter", 47}, | |
512 | {" unknown_ca", 48}, | |
513 | {" access_denied", 49}, | |
514 | {" decode_error", 50}, | |
515 | {" decrypt_error", 51}, | |
516 | {" export_restriction", 60}, | |
517 | {" protocol_version", 70}, | |
518 | {" insufficient_security", 71}, | |
519 | {" internal_error", 80}, | |
b35fb005 | 520 | {" inappropriate_fallback", 86}, |
3e8e688f RS |
521 | {" user_canceled", 90}, |
522 | {" no_renegotiation", 100}, | |
b35fb005 | 523 | {" missing_extension", 109}, |
3e8e688f RS |
524 | {" unsupported_extension", 110}, |
525 | {" certificate_unobtainable", 111}, | |
526 | {" unrecognized_name", 112}, | |
527 | {" bad_certificate_status_response", 113}, | |
528 | {" bad_certificate_hash_value", 114}, | |
529 | {" unknown_psk_identity", 115}, | |
b35fb005 | 530 | {" certificate_required", 116}, |
3e8e688f RS |
531 | {NULL} |
532 | }; | |
533 | ||
534 | static STRINT_PAIR handshakes[] = { | |
07518cfb TS |
535 | {", HelloRequest", SSL3_MT_HELLO_REQUEST}, |
536 | {", ClientHello", SSL3_MT_CLIENT_HELLO}, | |
537 | {", ServerHello", SSL3_MT_SERVER_HELLO}, | |
538 | {", HelloVerifyRequest", DTLS1_MT_HELLO_VERIFY_REQUEST}, | |
539 | {", NewSessionTicket", SSL3_MT_NEWSESSION_TICKET}, | |
540 | {", EndOfEarlyData", SSL3_MT_END_OF_EARLY_DATA}, | |
07518cfb TS |
541 | {", EncryptedExtensions", SSL3_MT_ENCRYPTED_EXTENSIONS}, |
542 | {", Certificate", SSL3_MT_CERTIFICATE}, | |
543 | {", ServerKeyExchange", SSL3_MT_SERVER_KEY_EXCHANGE}, | |
544 | {", CertificateRequest", SSL3_MT_CERTIFICATE_REQUEST}, | |
545 | {", ServerHelloDone", SSL3_MT_SERVER_DONE}, | |
546 | {", CertificateVerify", SSL3_MT_CERTIFICATE_VERIFY}, | |
547 | {", ClientKeyExchange", SSL3_MT_CLIENT_KEY_EXCHANGE}, | |
548 | {", Finished", SSL3_MT_FINISHED}, | |
d420729b | 549 | {", CertificateUrl", SSL3_MT_CERTIFICATE_URL}, |
07518cfb | 550 | {", CertificateStatus", SSL3_MT_CERTIFICATE_STATUS}, |
d420729b | 551 | {", SupplementalData", SSL3_MT_SUPPLEMENTAL_DATA}, |
07518cfb TS |
552 | {", KeyUpdate", SSL3_MT_KEY_UPDATE}, |
553 | #ifndef OPENSSL_NO_NEXTPROTONEG | |
554 | {", NextProto", SSL3_MT_NEXT_PROTO}, | |
555 | #endif | |
556 | {", MessageHash", SSL3_MT_MESSAGE_HASH}, | |
3e8e688f RS |
557 | {NULL} |
558 | }; | |
0f113f3e MC |
559 | |
560 | void msg_cb(int write_p, int version, int content_type, const void *buf, | |
561 | size_t len, SSL *ssl, void *arg) | |
562 | { | |
563 | BIO *bio = arg; | |
3e8e688f RS |
564 | const char *str_write_p = write_p ? ">>>" : "<<<"; |
565 | const char *str_version = lookup(version, ssl_versions, "???"); | |
566 | const char *str_content_type = "", *str_details1 = "", *str_details2 = ""; | |
567 | const unsigned char* bp = buf; | |
0f113f3e MC |
568 | |
569 | if (version == SSL3_VERSION || | |
570 | version == TLS1_VERSION || | |
571 | version == TLS1_1_VERSION || | |
572 | version == TLS1_2_VERSION || | |
582a17d6 | 573 | version == TLS1_3_VERSION || |
0f113f3e MC |
574 | version == DTLS1_VERSION || version == DTLS1_BAD_VER) { |
575 | switch (content_type) { | |
576 | case 20: | |
b35fb005 | 577 | str_content_type = ", ChangeCipherSpec"; |
0f113f3e MC |
578 | break; |
579 | case 21: | |
b35fb005 | 580 | str_content_type = ", Alert"; |
0f113f3e | 581 | str_details1 = ", ???"; |
0f113f3e | 582 | if (len == 2) { |
3e8e688f | 583 | switch (bp[0]) { |
0f113f3e MC |
584 | case 1: |
585 | str_details1 = ", warning"; | |
586 | break; | |
587 | case 2: | |
588 | str_details1 = ", fatal"; | |
589 | break; | |
590 | } | |
3e8e688f | 591 | str_details2 = lookup((int)bp[1], alert_types, " ???"); |
0f113f3e | 592 | } |
3e8e688f RS |
593 | break; |
594 | case 22: | |
b35fb005 | 595 | str_content_type = ", Handshake"; |
0f113f3e | 596 | str_details1 = "???"; |
3e8e688f RS |
597 | if (len > 0) |
598 | str_details1 = lookup((int)bp[0], handshakes, "???"); | |
599 | break; | |
7429b398 | 600 | case 23: |
b35fb005 | 601 | str_content_type = ", ApplicationData"; |
7429b398 | 602 | break; |
3e8e688f | 603 | } |
0f113f3e | 604 | } |
a661b653 | 605 | |
0f113f3e MC |
606 | BIO_printf(bio, "%s %s%s [length %04lx]%s%s\n", str_write_p, str_version, |
607 | str_content_type, (unsigned long)len, str_details1, | |
608 | str_details2); | |
a661b653 | 609 | |
0f113f3e MC |
610 | if (len > 0) { |
611 | size_t num, i; | |
612 | ||
613 | BIO_printf(bio, " "); | |
614 | num = len; | |
0f113f3e MC |
615 | for (i = 0; i < num; i++) { |
616 | if (i % 16 == 0 && i > 0) | |
617 | BIO_printf(bio, "\n "); | |
618 | BIO_printf(bio, " %02x", ((const unsigned char *)buf)[i]); | |
619 | } | |
620 | if (i < len) | |
621 | BIO_printf(bio, " ..."); | |
622 | BIO_printf(bio, "\n"); | |
623 | } | |
624 | (void)BIO_flush(bio); | |
625 | } | |
6434abbf | 626 | |
3e8e688f RS |
627 | static STRINT_PAIR tlsext_types[] = { |
628 | {"server name", TLSEXT_TYPE_server_name}, | |
629 | {"max fragment length", TLSEXT_TYPE_max_fragment_length}, | |
630 | {"client certificate URL", TLSEXT_TYPE_client_certificate_url}, | |
631 | {"trusted CA keys", TLSEXT_TYPE_trusted_ca_keys}, | |
632 | {"truncated HMAC", TLSEXT_TYPE_truncated_hmac}, | |
633 | {"status request", TLSEXT_TYPE_status_request}, | |
634 | {"user mapping", TLSEXT_TYPE_user_mapping}, | |
635 | {"client authz", TLSEXT_TYPE_client_authz}, | |
636 | {"server authz", TLSEXT_TYPE_server_authz}, | |
637 | {"cert type", TLSEXT_TYPE_cert_type}, | |
de4d764e | 638 | {"supported_groups", TLSEXT_TYPE_supported_groups}, |
3e8e688f RS |
639 | {"EC point formats", TLSEXT_TYPE_ec_point_formats}, |
640 | {"SRP", TLSEXT_TYPE_srp}, | |
641 | {"signature algorithms", TLSEXT_TYPE_signature_algorithms}, | |
642 | {"use SRTP", TLSEXT_TYPE_use_srtp}, | |
3e8e688f RS |
643 | {"session ticket", TLSEXT_TYPE_session_ticket}, |
644 | {"renegotiation info", TLSEXT_TYPE_renegotiate}, | |
dd696a55 | 645 | {"signed certificate timestamps", TLSEXT_TYPE_signed_certificate_timestamp}, |
3e8e688f | 646 | {"TLS padding", TLSEXT_TYPE_padding}, |
15a40af2 | 647 | #ifdef TLSEXT_TYPE_next_proto_neg |
3e8e688f | 648 | {"next protocol", TLSEXT_TYPE_next_proto_neg}, |
15a40af2 | 649 | #endif |
5e3ff62c | 650 | #ifdef TLSEXT_TYPE_encrypt_then_mac |
3e8e688f | 651 | {"encrypt-then-mac", TLSEXT_TYPE_encrypt_then_mac}, |
5e3ff62c | 652 | #endif |
b48357d9 AG |
653 | #ifdef TLSEXT_TYPE_application_layer_protocol_negotiation |
654 | {"application layer protocol negotiation", | |
655 | TLSEXT_TYPE_application_layer_protocol_negotiation}, | |
fecd04e9 AG |
656 | #endif |
657 | #ifdef TLSEXT_TYPE_extended_master_secret | |
658 | {"extended master secret", TLSEXT_TYPE_extended_master_secret}, | |
b48357d9 | 659 | #endif |
3578020b DSH |
660 | {"key share", TLSEXT_TYPE_key_share}, |
661 | {"supported versions", TLSEXT_TYPE_supported_versions}, | |
662 | {"psk", TLSEXT_TYPE_psk}, | |
663 | {"psk kex modes", TLSEXT_TYPE_psk_kex_modes}, | |
664 | {"certificate authorities", TLSEXT_TYPE_certificate_authorities}, | |
9d75dce3 | 665 | {"post handshake auth", TLSEXT_TYPE_post_handshake_auth}, |
3e8e688f RS |
666 | {NULL} |
667 | }; | |
0f113f3e | 668 | |
861e4562 LZ |
669 | /* from rfc8446 4.2.3. + gost (https://tools.ietf.org/id/draft-smyshlyaev-tls12-gost-suites-04.html) */ |
670 | static STRINT_PAIR signature_tls13_scheme_list[] = { | |
671 | {"rsa_pkcs1_sha1", 0x0201 /* TLSEXT_SIGALG_rsa_pkcs1_sha1 */}, | |
672 | {"ecdsa_sha1", 0x0203 /* TLSEXT_SIGALG_ecdsa_sha1 */}, | |
673 | /* {"rsa_pkcs1_sha224", 0x0301 TLSEXT_SIGALG_rsa_pkcs1_sha224}, not in rfc8446 */ | |
674 | /* {"ecdsa_sha224", 0x0303 TLSEXT_SIGALG_ecdsa_sha224} not in rfc8446 */ | |
675 | {"rsa_pkcs1_sha256", 0x0401 /* TLSEXT_SIGALG_rsa_pkcs1_sha256 */}, | |
676 | {"ecdsa_secp256r1_sha256", 0x0403 /* TLSEXT_SIGALG_ecdsa_secp256r1_sha256 */}, | |
677 | {"rsa_pkcs1_sha384", 0x0501 /* TLSEXT_SIGALG_rsa_pkcs1_sha384 */}, | |
678 | {"ecdsa_secp384r1_sha384", 0x0503 /* TLSEXT_SIGALG_ecdsa_secp384r1_sha384 */}, | |
679 | {"rsa_pkcs1_sha512", 0x0601 /* TLSEXT_SIGALG_rsa_pkcs1_sha512 */}, | |
680 | {"ecdsa_secp521r1_sha512", 0x0603 /* TLSEXT_SIGALG_ecdsa_secp521r1_sha512 */}, | |
681 | {"rsa_pss_rsae_sha256", 0x0804 /* TLSEXT_SIGALG_rsa_pss_rsae_sha256 */}, | |
682 | {"rsa_pss_rsae_sha384", 0x0805 /* TLSEXT_SIGALG_rsa_pss_rsae_sha384 */}, | |
683 | {"rsa_pss_rsae_sha512", 0x0806 /* TLSEXT_SIGALG_rsa_pss_rsae_sha512 */}, | |
684 | {"ed25519", 0x0807 /* TLSEXT_SIGALG_ed25519 */}, | |
685 | {"ed448", 0x0808 /* TLSEXT_SIGALG_ed448 */}, | |
686 | {"rsa_pss_pss_sha256", 0x0809 /* TLSEXT_SIGALG_rsa_pss_pss_sha256 */}, | |
687 | {"rsa_pss_pss_sha384", 0x080a /* TLSEXT_SIGALG_rsa_pss_pss_sha384 */}, | |
688 | {"rsa_pss_pss_sha512", 0x080b /* TLSEXT_SIGALG_rsa_pss_pss_sha512 */}, | |
689 | {"gostr34102001", 0xeded /* TLSEXT_SIGALG_gostr34102001_gostr3411 */}, | |
690 | {"gostr34102012_256", 0xeeee /* TLSEXT_SIGALG_gostr34102012_256_gostr34112012_256 */}, | |
691 | {"gostr34102012_512", 0xefef /* TLSEXT_SIGALG_gostr34102012_512_gostr34112012_512 */}, | |
692 | {NULL} | |
693 | }; | |
694 | ||
695 | /* from rfc5246 7.4.1.4.1. */ | |
696 | static STRINT_PAIR signature_tls12_alg_list[] = { | |
697 | {"anonymous", TLSEXT_signature_anonymous /* 0 */}, | |
698 | {"RSA", TLSEXT_signature_rsa /* 1 */}, | |
699 | {"DSA", TLSEXT_signature_dsa /* 2 */}, | |
700 | {"ECDSA", TLSEXT_signature_ecdsa /* 3 */}, | |
701 | {NULL} | |
702 | }; | |
703 | ||
704 | /* from rfc5246 7.4.1.4.1. */ | |
705 | static STRINT_PAIR signature_tls12_hash_list[] = { | |
706 | {"none", TLSEXT_hash_none /* 0 */}, | |
707 | {"MD5", TLSEXT_hash_md5 /* 1 */}, | |
708 | {"SHA1", TLSEXT_hash_sha1 /* 2 */}, | |
709 | {"SHA224", TLSEXT_hash_sha224 /* 3 */}, | |
710 | {"SHA256", TLSEXT_hash_sha256 /* 4 */}, | |
711 | {"SHA384", TLSEXT_hash_sha384 /* 5 */}, | |
712 | {"SHA512", TLSEXT_hash_sha512 /* 6 */}, | |
713 | {NULL} | |
714 | }; | |
715 | ||
3e8e688f | 716 | void tlsext_cb(SSL *s, int client_server, int type, |
b6981744 | 717 | const unsigned char *data, int len, void *arg) |
3e8e688f RS |
718 | { |
719 | BIO *bio = arg; | |
720 | const char *extname = lookup(type, tlsext_types, "unknown"); | |
0f113f3e MC |
721 | |
722 | BIO_printf(bio, "TLS %s extension \"%s\" (id=%d), len=%d\n", | |
723 | client_server ? "server" : "client", extname, type, len); | |
b6981744 | 724 | BIO_dump(bio, (const char *)data, len); |
0f113f3e MC |
725 | (void)BIO_flush(bio); |
726 | } | |
727 | ||
f9e55034 | 728 | #ifndef OPENSSL_NO_SOCK |
0f113f3e MC |
729 | int generate_cookie_callback(SSL *ssl, unsigned char *cookie, |
730 | unsigned int *cookie_len) | |
731 | { | |
87a595e5 | 732 | unsigned char *buffer; |
10ee7246 | 733 | size_t length = 0; |
d858c876 | 734 | unsigned short port; |
10ee7246 | 735 | BIO_ADDR *lpeer = NULL, *peer = NULL; |
0f113f3e MC |
736 | |
737 | /* Initialize a random secret */ | |
738 | if (!cookie_initialized) { | |
266483d2 | 739 | if (RAND_bytes(cookie_secret, COOKIE_SECRET_LENGTH) <= 0) { |
0f113f3e MC |
740 | BIO_printf(bio_err, "error setting random cookie secret\n"); |
741 | return 0; | |
742 | } | |
743 | cookie_initialized = 1; | |
744 | } | |
745 | ||
10ee7246 MC |
746 | if (SSL_is_dtls(ssl)) { |
747 | lpeer = peer = BIO_ADDR_new(); | |
748 | if (peer == NULL) { | |
749 | BIO_printf(bio_err, "memory full\n"); | |
750 | return 0; | |
751 | } | |
d858c876 | 752 | |
10ee7246 MC |
753 | /* Read peer information */ |
754 | (void)BIO_dgram_get_peer(SSL_get_rbio(ssl), peer); | |
755 | } else { | |
756 | peer = ourpeer; | |
757 | } | |
0f113f3e MC |
758 | |
759 | /* Create buffer with peer's address and port */ | |
10ee7246 MC |
760 | if (!BIO_ADDR_rawaddress(peer, NULL, &length)) { |
761 | BIO_printf(bio_err, "Failed getting peer address\n"); | |
762 | return 0; | |
763 | } | |
d858c876 RL |
764 | OPENSSL_assert(length != 0); |
765 | port = BIO_ADDR_rawport(peer); | |
766 | length += sizeof(port); | |
68dc6824 | 767 | buffer = app_malloc(length, "cookie generate buffer"); |
0f113f3e | 768 | |
d858c876 RL |
769 | memcpy(buffer, &port, sizeof(port)); |
770 | BIO_ADDR_rawaddress(peer, buffer + sizeof(port), NULL); | |
0f113f3e MC |
771 | |
772 | /* Calculate HMAC of buffer using the secret */ | |
773 | HMAC(EVP_sha1(), cookie_secret, COOKIE_SECRET_LENGTH, | |
87a595e5 | 774 | buffer, length, cookie, cookie_len); |
d858c876 | 775 | |
0f113f3e | 776 | OPENSSL_free(buffer); |
10ee7246 | 777 | BIO_ADDR_free(lpeer); |
0f113f3e | 778 | |
0f113f3e MC |
779 | return 1; |
780 | } | |
781 | ||
31011544 | 782 | int verify_cookie_callback(SSL *ssl, const unsigned char *cookie, |
0f113f3e MC |
783 | unsigned int cookie_len) |
784 | { | |
87a595e5 RL |
785 | unsigned char result[EVP_MAX_MD_SIZE]; |
786 | unsigned int resultlength; | |
787 | ||
788 | /* Note: we check cookie_initialized because if it's not, | |
789 | * it cannot be valid */ | |
790 | if (cookie_initialized | |
791 | && generate_cookie_callback(ssl, result, &resultlength) | |
792 | && cookie_len == resultlength | |
0f113f3e MC |
793 | && memcmp(result, cookie, resultlength) == 0) |
794 | return 1; | |
795 | ||
796 | return 0; | |
797 | } | |
3fa2812f BS |
798 | |
799 | int generate_stateless_cookie_callback(SSL *ssl, unsigned char *cookie, | |
800 | size_t *cookie_len) | |
801 | { | |
802 | unsigned int temp; | |
803 | int res = generate_cookie_callback(ssl, cookie, &temp); | |
804 | *cookie_len = temp; | |
805 | return res; | |
806 | } | |
807 | ||
808 | int verify_stateless_cookie_callback(SSL *ssl, const unsigned char *cookie, | |
809 | size_t cookie_len) | |
810 | { | |
811 | return verify_cookie_callback(ssl, cookie, cookie_len); | |
812 | } | |
813 | ||
f9e55034 | 814 | #endif |
0f113f3e MC |
815 | |
816 | /* | |
817 | * Example of extended certificate handling. Where the standard support of | |
818 | * one certificate per algorithm is not sufficient an application can decide | |
819 | * which certificate(s) to use at runtime based on whatever criteria it deems | |
820 | * appropriate. | |
18d71588 DSH |
821 | */ |
822 | ||
823 | /* Linked list of certificates, keys and chains */ | |
0f113f3e MC |
824 | struct ssl_excert_st { |
825 | int certform; | |
826 | const char *certfile; | |
827 | int keyform; | |
828 | const char *keyfile; | |
829 | const char *chainfile; | |
830 | X509 *cert; | |
831 | EVP_PKEY *key; | |
832 | STACK_OF(X509) *chain; | |
833 | int build_chain; | |
834 | struct ssl_excert_st *next, *prev; | |
835 | }; | |
836 | ||
3e8e688f RS |
837 | static STRINT_PAIR chain_flags[] = { |
838 | {"Overall Validity", CERT_PKEY_VALID}, | |
839 | {"Sign with EE key", CERT_PKEY_SIGN}, | |
840 | {"EE signature", CERT_PKEY_EE_SIGNATURE}, | |
841 | {"CA signature", CERT_PKEY_CA_SIGNATURE}, | |
842 | {"EE key parameters", CERT_PKEY_EE_PARAM}, | |
843 | {"CA key parameters", CERT_PKEY_CA_PARAM}, | |
0d4fb843 | 844 | {"Explicitly sign with EE key", CERT_PKEY_EXPLICIT_SIGN}, |
3e8e688f RS |
845 | {"Issuer Name", CERT_PKEY_ISSUER_NAME}, |
846 | {"Certificate Type", CERT_PKEY_CERT_TYPE}, | |
847 | {NULL} | |
0f113f3e | 848 | }; |
6dbb6219 | 849 | |
ecf3a1fb | 850 | static void print_chain_flags(SSL *s, int flags) |
0f113f3e | 851 | { |
3e8e688f | 852 | STRINT_PAIR *pp; |
ecf3a1fb | 853 | |
3e8e688f RS |
854 | for (pp = chain_flags; pp->name; ++pp) |
855 | BIO_printf(bio_err, "\t%s: %s\n", | |
856 | pp->name, | |
857 | (flags & pp->retval) ? "OK" : "NOT OK"); | |
ecf3a1fb | 858 | BIO_printf(bio_err, "\tSuite B: "); |
0f113f3e | 859 | if (SSL_set_cert_flags(s, 0) & SSL_CERT_FLAG_SUITEB_128_LOS) |
ecf3a1fb | 860 | BIO_puts(bio_err, flags & CERT_PKEY_SUITEB ? "OK\n" : "NOT OK\n"); |
0f113f3e | 861 | else |
ecf3a1fb | 862 | BIO_printf(bio_err, "not tested\n"); |
0f113f3e MC |
863 | } |
864 | ||
865 | /* | |
866 | * Very basic selection callback: just use any certificate chain reported as | |
867 | * valid. More sophisticated could prioritise according to local policy. | |
18d71588 DSH |
868 | */ |
869 | static int set_cert_cb(SSL *ssl, void *arg) | |
0f113f3e MC |
870 | { |
871 | int i, rv; | |
872 | SSL_EXCERT *exc = arg; | |
3323314f | 873 | #ifdef CERT_CB_TEST_RETRY |
0f113f3e MC |
874 | static int retry_cnt; |
875 | if (retry_cnt < 5) { | |
876 | retry_cnt++; | |
7768e116 RS |
877 | BIO_printf(bio_err, |
878 | "Certificate callback retry test: count %d\n", | |
879 | retry_cnt); | |
0f113f3e MC |
880 | return -1; |
881 | } | |
3323314f | 882 | #endif |
0f113f3e MC |
883 | SSL_certs_clear(ssl); |
884 | ||
2234212c | 885 | if (exc == NULL) |
0f113f3e MC |
886 | return 1; |
887 | ||
888 | /* | |
889 | * Go to end of list and traverse backwards since we prepend newer | |
890 | * entries this retains the original order. | |
891 | */ | |
2234212c | 892 | while (exc->next != NULL) |
0f113f3e MC |
893 | exc = exc->next; |
894 | ||
895 | i = 0; | |
896 | ||
2234212c | 897 | while (exc != NULL) { |
0f113f3e MC |
898 | i++; |
899 | rv = SSL_check_chain(ssl, exc->cert, exc->key, exc->chain); | |
900 | BIO_printf(bio_err, "Checking cert chain %d:\nSubject: ", i); | |
901 | X509_NAME_print_ex(bio_err, X509_get_subject_name(exc->cert), 0, | |
b5c4209b | 902 | get_nameopt()); |
0f113f3e | 903 | BIO_puts(bio_err, "\n"); |
ecf3a1fb | 904 | print_chain_flags(ssl, rv); |
0f113f3e | 905 | if (rv & CERT_PKEY_VALID) { |
61986d32 | 906 | if (!SSL_use_certificate(ssl, exc->cert) |
7e1b7485 | 907 | || !SSL_use_PrivateKey(ssl, exc->key)) { |
ac59d705 MC |
908 | return 0; |
909 | } | |
0f113f3e MC |
910 | /* |
911 | * NB: we wouldn't normally do this as it is not efficient | |
912 | * building chains on each connection better to cache the chain | |
913 | * in advance. | |
914 | */ | |
915 | if (exc->build_chain) { | |
916 | if (!SSL_build_cert_chain(ssl, 0)) | |
917 | return 0; | |
2234212c | 918 | } else if (exc->chain != NULL) { |
0f113f3e | 919 | SSL_set1_chain(ssl, exc->chain); |
2234212c | 920 | } |
0f113f3e MC |
921 | } |
922 | exc = exc->prev; | |
923 | } | |
924 | return 1; | |
925 | } | |
18d71588 DSH |
926 | |
927 | void ssl_ctx_set_excert(SSL_CTX *ctx, SSL_EXCERT *exc) | |
0f113f3e MC |
928 | { |
929 | SSL_CTX_set_cert_cb(ctx, set_cert_cb, exc); | |
930 | } | |
18d71588 DSH |
931 | |
932 | static int ssl_excert_prepend(SSL_EXCERT **pexc) | |
0f113f3e | 933 | { |
b4faea50 | 934 | SSL_EXCERT *exc = app_malloc(sizeof(*exc), "prepend cert"); |
68dc6824 | 935 | |
64b25758 | 936 | memset(exc, 0, sizeof(*exc)); |
0f113f3e MC |
937 | |
938 | exc->next = *pexc; | |
939 | *pexc = exc; | |
940 | ||
941 | if (exc->next) { | |
942 | exc->certform = exc->next->certform; | |
943 | exc->keyform = exc->next->keyform; | |
944 | exc->next->prev = exc; | |
945 | } else { | |
946 | exc->certform = FORMAT_PEM; | |
947 | exc->keyform = FORMAT_PEM; | |
948 | } | |
949 | return 1; | |
950 | ||
951 | } | |
18d71588 DSH |
952 | |
953 | void ssl_excert_free(SSL_EXCERT *exc) | |
0f113f3e MC |
954 | { |
955 | SSL_EXCERT *curr; | |
25aaa98a | 956 | |
2234212c | 957 | if (exc == NULL) |
25aaa98a | 958 | return; |
0f113f3e | 959 | while (exc) { |
222561fe | 960 | X509_free(exc->cert); |
c5ba2d99 | 961 | EVP_PKEY_free(exc->key); |
222561fe | 962 | sk_X509_pop_free(exc->chain, X509_free); |
0f113f3e MC |
963 | curr = exc; |
964 | exc = exc->next; | |
965 | OPENSSL_free(curr); | |
966 | } | |
967 | } | |
18d71588 | 968 | |
7e1b7485 | 969 | int load_excert(SSL_EXCERT **pexc) |
0f113f3e MC |
970 | { |
971 | SSL_EXCERT *exc = *pexc; | |
2234212c | 972 | if (exc == NULL) |
0f113f3e MC |
973 | return 1; |
974 | /* If nothing in list, free and set to NULL */ | |
2234212c | 975 | if (exc->certfile == NULL && exc->next == NULL) { |
0f113f3e MC |
976 | ssl_excert_free(exc); |
977 | *pexc = NULL; | |
978 | return 1; | |
979 | } | |
980 | for (; exc; exc = exc->next) { | |
2234212c | 981 | if (exc->certfile == NULL) { |
7e1b7485 | 982 | BIO_printf(bio_err, "Missing filename\n"); |
0f113f3e MC |
983 | return 0; |
984 | } | |
7e1b7485 | 985 | exc->cert = load_cert(exc->certfile, exc->certform, |
a773b52a | 986 | "Server Certificate"); |
2234212c | 987 | if (exc->cert == NULL) |
0f113f3e | 988 | return 0; |
2234212c | 989 | if (exc->keyfile != NULL) { |
7e1b7485 | 990 | exc->key = load_key(exc->keyfile, exc->keyform, |
0f113f3e MC |
991 | 0, NULL, NULL, "Server Key"); |
992 | } else { | |
7e1b7485 | 993 | exc->key = load_key(exc->certfile, exc->certform, |
0f113f3e MC |
994 | 0, NULL, NULL, "Server Key"); |
995 | } | |
2234212c | 996 | if (exc->key == NULL) |
0f113f3e | 997 | return 0; |
2234212c | 998 | if (exc->chainfile != NULL) { |
0996dc54 | 999 | if (!load_certs(exc->chainfile, &exc->chain, FORMAT_PEM, NULL, |
a773b52a | 1000 | "Server Chain")) |
0f113f3e MC |
1001 | return 0; |
1002 | } | |
1003 | } | |
1004 | return 1; | |
1005 | } | |
18d71588 | 1006 | |
7e1b7485 RS |
1007 | enum range { OPT_X_ENUM }; |
1008 | ||
1009 | int args_excert(int opt, SSL_EXCERT **pexc) | |
0f113f3e | 1010 | { |
0f113f3e | 1011 | SSL_EXCERT *exc = *pexc; |
7e1b7485 RS |
1012 | |
1013 | assert(opt > OPT_X__FIRST); | |
1014 | assert(opt < OPT_X__LAST); | |
1015 | ||
1016 | if (exc == NULL) { | |
1017 | if (!ssl_excert_prepend(&exc)) { | |
1018 | BIO_printf(bio_err, " %s: Error initialising xcert\n", | |
1019 | opt_getprog()); | |
0f113f3e MC |
1020 | goto err; |
1021 | } | |
7e1b7485 | 1022 | *pexc = exc; |
0f113f3e | 1023 | } |
7e1b7485 RS |
1024 | |
1025 | switch ((enum range)opt) { | |
1026 | case OPT_X__FIRST: | |
1027 | case OPT_X__LAST: | |
1028 | return 0; | |
1029 | case OPT_X_CERT: | |
2234212c | 1030 | if (exc->certfile != NULL && !ssl_excert_prepend(&exc)) { |
7e1b7485 | 1031 | BIO_printf(bio_err, "%s: Error adding xcert\n", opt_getprog()); |
0f113f3e MC |
1032 | goto err; |
1033 | } | |
52f4840c | 1034 | *pexc = exc; |
7e1b7485 RS |
1035 | exc->certfile = opt_arg(); |
1036 | break; | |
1037 | case OPT_X_KEY: | |
2234212c | 1038 | if (exc->keyfile != NULL) { |
7e1b7485 | 1039 | BIO_printf(bio_err, "%s: Key already specified\n", opt_getprog()); |
0f113f3e MC |
1040 | goto err; |
1041 | } | |
7e1b7485 RS |
1042 | exc->keyfile = opt_arg(); |
1043 | break; | |
1044 | case OPT_X_CHAIN: | |
2234212c | 1045 | if (exc->chainfile != NULL) { |
7e1b7485 RS |
1046 | BIO_printf(bio_err, "%s: Chain already specified\n", |
1047 | opt_getprog()); | |
0f113f3e MC |
1048 | goto err; |
1049 | } | |
7e1b7485 RS |
1050 | exc->chainfile = opt_arg(); |
1051 | break; | |
1052 | case OPT_X_CHAIN_BUILD: | |
1053 | exc->build_chain = 1; | |
1054 | break; | |
1055 | case OPT_X_CERTFORM: | |
1056 | if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &exc->certform)) | |
1057 | return 0; | |
1058 | break; | |
1059 | case OPT_X_KEYFORM: | |
1060 | if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &exc->keyform)) | |
1061 | return 0; | |
1062 | break; | |
1063 | } | |
0f113f3e MC |
1064 | return 1; |
1065 | ||
1066 | err: | |
7e1b7485 | 1067 | ERR_print_errors(bio_err); |
25aaa98a | 1068 | ssl_excert_free(exc); |
0f113f3e | 1069 | *pexc = NULL; |
7e1b7485 | 1070 | return 0; |
0f113f3e | 1071 | } |
18d71588 | 1072 | |
ecf3a1fb | 1073 | static void print_raw_cipherlist(SSL *s) |
0f113f3e MC |
1074 | { |
1075 | const unsigned char *rlist; | |
800fe8e3 | 1076 | static const unsigned char scsv_id[] = { 0, 0xFF }; |
0f113f3e MC |
1077 | size_t i, rlistlen, num; |
1078 | if (!SSL_is_server(s)) | |
1079 | return; | |
1080 | num = SSL_get0_raw_cipherlist(s, NULL); | |
800fe8e3 | 1081 | OPENSSL_assert(num == 2); |
0f113f3e | 1082 | rlistlen = SSL_get0_raw_cipherlist(s, &rlist); |
ecf3a1fb | 1083 | BIO_puts(bio_err, "Client cipher list: "); |
0f113f3e MC |
1084 | for (i = 0; i < rlistlen; i += num, rlist += num) { |
1085 | const SSL_CIPHER *c = SSL_CIPHER_find(s, rlist); | |
1086 | if (i) | |
ecf3a1fb | 1087 | BIO_puts(bio_err, ":"); |
2234212c | 1088 | if (c != NULL) { |
ecf3a1fb | 1089 | BIO_puts(bio_err, SSL_CIPHER_get_name(c)); |
2234212c | 1090 | } else if (memcmp(rlist, scsv_id, num) == 0) { |
ecf3a1fb | 1091 | BIO_puts(bio_err, "SCSV"); |
2234212c | 1092 | } else { |
0f113f3e | 1093 | size_t j; |
ecf3a1fb | 1094 | BIO_puts(bio_err, "0x"); |
0f113f3e | 1095 | for (j = 0; j < num; j++) |
ecf3a1fb | 1096 | BIO_printf(bio_err, "%02X", rlist[j]); |
0f113f3e MC |
1097 | } |
1098 | } | |
ecf3a1fb | 1099 | BIO_puts(bio_err, "\n"); |
0f113f3e | 1100 | } |
2a7cbe77 | 1101 | |
c0a445a9 VD |
1102 | /* |
1103 | * Hex encoder for TLSA RRdata, not ':' delimited. | |
1104 | */ | |
1105 | static char *hexencode(const unsigned char *data, size_t len) | |
1106 | { | |
1107 | static const char *hex = "0123456789abcdef"; | |
1108 | char *out; | |
1109 | char *cp; | |
1110 | size_t outlen = 2 * len + 1; | |
1111 | int ilen = (int) outlen; | |
1112 | ||
1113 | if (outlen < len || ilen < 0 || outlen != (size_t)ilen) { | |
7d672984 AP |
1114 | BIO_printf(bio_err, "%s: %zu-byte buffer too large to hexencode\n", |
1115 | opt_getprog(), len); | |
c0a445a9 VD |
1116 | exit(1); |
1117 | } | |
1118 | cp = out = app_malloc(ilen, "TLSA hex data buffer"); | |
1119 | ||
b5f40eb2 | 1120 | while (len-- > 0) { |
c0a445a9 VD |
1121 | *cp++ = hex[(*data >> 4) & 0x0f]; |
1122 | *cp++ = hex[*data++ & 0x0f]; | |
1123 | } | |
1124 | *cp = '\0'; | |
1125 | return out; | |
1126 | } | |
1127 | ||
1128 | void print_verify_detail(SSL *s, BIO *bio) | |
1129 | { | |
1130 | int mdpth; | |
1131 | EVP_PKEY *mspki; | |
1132 | long verify_err = SSL_get_verify_result(s); | |
1133 | ||
1134 | if (verify_err == X509_V_OK) { | |
1135 | const char *peername = SSL_get0_peername(s); | |
1136 | ||
1137 | BIO_printf(bio, "Verification: OK\n"); | |
1138 | if (peername != NULL) | |
1139 | BIO_printf(bio, "Verified peername: %s\n", peername); | |
1140 | } else { | |
1141 | const char *reason = X509_verify_cert_error_string(verify_err); | |
1142 | ||
1143 | BIO_printf(bio, "Verification error: %s\n", reason); | |
1144 | } | |
1145 | ||
1146 | if ((mdpth = SSL_get0_dane_authority(s, NULL, &mspki)) >= 0) { | |
1147 | uint8_t usage, selector, mtype; | |
1148 | const unsigned char *data = NULL; | |
1149 | size_t dlen = 0; | |
1150 | char *hexdata; | |
1151 | ||
1152 | mdpth = SSL_get0_dane_tlsa(s, &usage, &selector, &mtype, &data, &dlen); | |
1153 | ||
1154 | /* | |
1155 | * The TLSA data field can be quite long when it is a certificate, | |
1156 | * public key or even a SHA2-512 digest. Because the initial octets of | |
1157 | * ASN.1 certificates and public keys contain mostly boilerplate OIDs | |
1158 | * and lengths, we show the last 12 bytes of the data instead, as these | |
1159 | * are more likely to distinguish distinct TLSA records. | |
1160 | */ | |
1161 | #define TLSA_TAIL_SIZE 12 | |
1162 | if (dlen > TLSA_TAIL_SIZE) | |
1163 | hexdata = hexencode(data + dlen - TLSA_TAIL_SIZE, TLSA_TAIL_SIZE); | |
1164 | else | |
1165 | hexdata = hexencode(data, dlen); | |
1166 | BIO_printf(bio, "DANE TLSA %d %d %d %s%s %s at depth %d\n", | |
1167 | usage, selector, mtype, | |
1168 | (dlen > TLSA_TAIL_SIZE) ? "..." : "", hexdata, | |
1169 | (mspki != NULL) ? "signed the certificate" : | |
1170 | mdpth ? "matched TA certificate" : "matched EE certificate", | |
1171 | mdpth); | |
1172 | OPENSSL_free(hexdata); | |
1173 | } | |
1174 | } | |
1175 | ||
ecf3a1fb | 1176 | void print_ssl_summary(SSL *s) |
0f113f3e MC |
1177 | { |
1178 | const SSL_CIPHER *c; | |
1179 | X509 *peer; | |
ecf3a1fb RS |
1180 | |
1181 | BIO_printf(bio_err, "Protocol version: %s\n", SSL_get_version(s)); | |
1182 | print_raw_cipherlist(s); | |
0f113f3e | 1183 | c = SSL_get_current_cipher(s); |
ecf3a1fb RS |
1184 | BIO_printf(bio_err, "Ciphersuite: %s\n", SSL_CIPHER_get_name(c)); |
1185 | do_print_sigalgs(bio_err, s, 0); | |
0f113f3e | 1186 | peer = SSL_get_peer_certificate(s); |
2234212c | 1187 | if (peer != NULL) { |
0f113f3e | 1188 | int nid; |
c0a445a9 | 1189 | |
ecf3a1fb RS |
1190 | BIO_puts(bio_err, "Peer certificate: "); |
1191 | X509_NAME_print_ex(bio_err, X509_get_subject_name(peer), | |
b5c4209b | 1192 | 0, get_nameopt()); |
ecf3a1fb | 1193 | BIO_puts(bio_err, "\n"); |
0f113f3e | 1194 | if (SSL_get_peer_signature_nid(s, &nid)) |
ecf3a1fb | 1195 | BIO_printf(bio_err, "Hash used: %s\n", OBJ_nid2sn(nid)); |
42ef7aea DSH |
1196 | if (SSL_get_peer_signature_type_nid(s, &nid)) |
1197 | BIO_printf(bio_err, "Signature type: %s\n", get_sigtype(nid)); | |
c0a445a9 | 1198 | print_verify_detail(s, bio_err); |
2234212c | 1199 | } else { |
ecf3a1fb | 1200 | BIO_puts(bio_err, "No peer certificate\n"); |
2234212c | 1201 | } |
222561fe | 1202 | X509_free(peer); |
14536c8c | 1203 | #ifndef OPENSSL_NO_EC |
ecf3a1fb | 1204 | ssl_print_point_formats(bio_err, s); |
0f113f3e | 1205 | if (SSL_is_server(s)) |
de4d764e | 1206 | ssl_print_groups(bio_err, s, 1); |
0f113f3e | 1207 | else |
ecf3a1fb | 1208 | ssl_print_tmp_key(bio_err, s); |
14536c8c | 1209 | #else |
0f113f3e | 1210 | if (!SSL_is_server(s)) |
ecf3a1fb | 1211 | ssl_print_tmp_key(bio_err, s); |
14536c8c | 1212 | #endif |
0f113f3e | 1213 | } |
2a7cbe77 | 1214 | |
7e1b7485 | 1215 | int config_ctx(SSL_CONF_CTX *cctx, STACK_OF(OPENSSL_STRING) *str, |
dba31777 | 1216 | SSL_CTX *ctx) |
0f113f3e MC |
1217 | { |
1218 | int i; | |
7e1b7485 | 1219 | |
0f113f3e MC |
1220 | SSL_CONF_CTX_set_ssl_ctx(cctx, ctx); |
1221 | for (i = 0; i < sk_OPENSSL_STRING_num(str); i += 2) { | |
7e1b7485 RS |
1222 | const char *flag = sk_OPENSSL_STRING_value(str, i); |
1223 | const char *arg = sk_OPENSSL_STRING_value(str, i + 1); | |
7e1b7485 | 1224 | if (SSL_CONF_cmd(cctx, flag, arg) <= 0) { |
2234212c | 1225 | if (arg != NULL) |
7e1b7485 RS |
1226 | BIO_printf(bio_err, "Error with command: \"%s %s\"\n", |
1227 | flag, arg); | |
1228 | else | |
1229 | BIO_printf(bio_err, "Error with command: \"%s\"\n", flag); | |
1230 | ERR_print_errors(bio_err); | |
0f113f3e MC |
1231 | return 0; |
1232 | } | |
1233 | } | |
0f113f3e | 1234 | if (!SSL_CONF_CTX_finish(cctx)) { |
7e1b7485 RS |
1235 | BIO_puts(bio_err, "Error finishing context\n"); |
1236 | ERR_print_errors(bio_err); | |
0f113f3e MC |
1237 | return 0; |
1238 | } | |
1239 | return 1; | |
1240 | } | |
a5afc0a8 | 1241 | |
fdb78f3d | 1242 | static int add_crls_store(X509_STORE *st, STACK_OF(X509_CRL) *crls) |
0f113f3e MC |
1243 | { |
1244 | X509_CRL *crl; | |
1245 | int i; | |
1246 | for (i = 0; i < sk_X509_CRL_num(crls); i++) { | |
1247 | crl = sk_X509_CRL_value(crls, i); | |
1248 | X509_STORE_add_crl(st, crl); | |
1249 | } | |
1250 | return 1; | |
1251 | } | |
fdb78f3d | 1252 | |
0090a686 | 1253 | int ssl_ctx_add_crls(SSL_CTX *ctx, STACK_OF(X509_CRL) *crls, int crl_download) |
0f113f3e MC |
1254 | { |
1255 | X509_STORE *st; | |
1256 | st = SSL_CTX_get_cert_store(ctx); | |
1257 | add_crls_store(st, crls); | |
1258 | if (crl_download) | |
1259 | store_setup_crl_download(st); | |
1260 | return 1; | |
1261 | } | |
fdb78f3d | 1262 | |
a5afc0a8 | 1263 | int ssl_load_stores(SSL_CTX *ctx, |
0f113f3e MC |
1264 | const char *vfyCApath, const char *vfyCAfile, |
1265 | const char *chCApath, const char *chCAfile, | |
1266 | STACK_OF(X509_CRL) *crls, int crl_download) | |
1267 | { | |
1268 | X509_STORE *vfy = NULL, *ch = NULL; | |
1269 | int rv = 0; | |
96487cdd | 1270 | if (vfyCApath != NULL || vfyCAfile != NULL) { |
0f113f3e | 1271 | vfy = X509_STORE_new(); |
96487cdd MC |
1272 | if (vfy == NULL) |
1273 | goto err; | |
0f113f3e MC |
1274 | if (!X509_STORE_load_locations(vfy, vfyCAfile, vfyCApath)) |
1275 | goto err; | |
1276 | add_crls_store(vfy, crls); | |
1277 | SSL_CTX_set1_verify_cert_store(ctx, vfy); | |
1278 | if (crl_download) | |
1279 | store_setup_crl_download(vfy); | |
1280 | } | |
96487cdd | 1281 | if (chCApath != NULL || chCAfile != NULL) { |
0f113f3e | 1282 | ch = X509_STORE_new(); |
96487cdd MC |
1283 | if (ch == NULL) |
1284 | goto err; | |
0f113f3e MC |
1285 | if (!X509_STORE_load_locations(ch, chCAfile, chCApath)) |
1286 | goto err; | |
1287 | SSL_CTX_set1_chain_cert_store(ctx, ch); | |
1288 | } | |
1289 | rv = 1; | |
1290 | err: | |
222561fe RS |
1291 | X509_STORE_free(vfy); |
1292 | X509_STORE_free(ch); | |
0f113f3e MC |
1293 | return rv; |
1294 | } | |
e03c5b59 DSH |
1295 | |
1296 | /* Verbose print out of security callback */ | |
1297 | ||
0f113f3e MC |
1298 | typedef struct { |
1299 | BIO *out; | |
1300 | int verbose; | |
e4646a89 | 1301 | int (*old_cb) (const SSL *s, const SSL_CTX *ctx, int op, int bits, int nid, |
0f113f3e MC |
1302 | void *other, void *ex); |
1303 | } security_debug_ex; | |
e03c5b59 | 1304 | |
3e8e688f RS |
1305 | static STRINT_PAIR callback_types[] = { |
1306 | {"Supported Ciphersuite", SSL_SECOP_CIPHER_SUPPORTED}, | |
1307 | {"Shared Ciphersuite", SSL_SECOP_CIPHER_SHARED}, | |
1308 | {"Check Ciphersuite", SSL_SECOP_CIPHER_CHECK}, | |
1309 | #ifndef OPENSSL_NO_DH | |
1310 | {"Temp DH key bits", SSL_SECOP_TMP_DH}, | |
1311 | #endif | |
1312 | {"Supported Curve", SSL_SECOP_CURVE_SUPPORTED}, | |
1313 | {"Shared Curve", SSL_SECOP_CURVE_SHARED}, | |
1314 | {"Check Curve", SSL_SECOP_CURVE_CHECK}, | |
861e4562 LZ |
1315 | {"Supported Signature Algorithm", SSL_SECOP_SIGALG_SUPPORTED}, |
1316 | {"Shared Signature Algorithm", SSL_SECOP_SIGALG_SHARED}, | |
1317 | {"Check Signature Algorithm", SSL_SECOP_SIGALG_CHECK}, | |
3e8e688f RS |
1318 | {"Signature Algorithm mask", SSL_SECOP_SIGALG_MASK}, |
1319 | {"Certificate chain EE key", SSL_SECOP_EE_KEY}, | |
1320 | {"Certificate chain CA key", SSL_SECOP_CA_KEY}, | |
1321 | {"Peer Chain EE key", SSL_SECOP_PEER_EE_KEY}, | |
1322 | {"Peer Chain CA key", SSL_SECOP_PEER_CA_KEY}, | |
1323 | {"Certificate chain CA digest", SSL_SECOP_CA_MD}, | |
1324 | {"Peer chain CA digest", SSL_SECOP_PEER_CA_MD}, | |
1325 | {"SSL compression", SSL_SECOP_COMPRESSION}, | |
1326 | {"Session ticket", SSL_SECOP_TICKET}, | |
1327 | {NULL} | |
1328 | }; | |
1329 | ||
e4646a89 | 1330 | static int security_callback_debug(const SSL *s, const SSL_CTX *ctx, |
0f113f3e MC |
1331 | int op, int bits, int nid, |
1332 | void *other, void *ex) | |
1333 | { | |
1334 | security_debug_ex *sdb = ex; | |
1335 | int rv, show_bits = 1, cert_md = 0; | |
1336 | const char *nm; | |
861e4562 | 1337 | int show_nm; |
0f113f3e MC |
1338 | rv = sdb->old_cb(s, ctx, op, bits, nid, other, ex); |
1339 | if (rv == 1 && sdb->verbose < 2) | |
1340 | return 1; | |
1341 | BIO_puts(sdb->out, "Security callback: "); | |
1342 | ||
3e8e688f | 1343 | nm = lookup(op, callback_types, NULL); |
861e4562 | 1344 | show_nm = nm != NULL; |
0f113f3e | 1345 | switch (op) { |
0f113f3e | 1346 | case SSL_SECOP_TICKET: |
0f113f3e | 1347 | case SSL_SECOP_COMPRESSION: |
0f113f3e | 1348 | show_bits = 0; |
861e4562 | 1349 | show_nm = 0; |
0f113f3e | 1350 | break; |
0f113f3e | 1351 | case SSL_SECOP_VERSION: |
3e8e688f | 1352 | BIO_printf(sdb->out, "Version=%s", lookup(nid, ssl_versions, "???")); |
0f113f3e | 1353 | show_bits = 0; |
861e4562 | 1354 | show_nm = 0; |
0f113f3e | 1355 | break; |
0f113f3e | 1356 | case SSL_SECOP_CA_MD: |
0f113f3e MC |
1357 | case SSL_SECOP_PEER_CA_MD: |
1358 | cert_md = 1; | |
0f113f3e | 1359 | break; |
861e4562 LZ |
1360 | case SSL_SECOP_SIGALG_SUPPORTED: |
1361 | case SSL_SECOP_SIGALG_SHARED: | |
1362 | case SSL_SECOP_SIGALG_CHECK: | |
1363 | case SSL_SECOP_SIGALG_MASK: | |
1364 | show_nm = 0; | |
1365 | break; | |
0f113f3e | 1366 | } |
861e4562 | 1367 | if (show_nm) |
0f113f3e MC |
1368 | BIO_printf(sdb->out, "%s=", nm); |
1369 | ||
1370 | switch (op & SSL_SECOP_OTHER_TYPE) { | |
1371 | ||
1372 | case SSL_SECOP_OTHER_CIPHER: | |
1373 | BIO_puts(sdb->out, SSL_CIPHER_get_name(other)); | |
1374 | break; | |
e03c5b59 | 1375 | |
fd86c2b1 | 1376 | #ifndef OPENSSL_NO_EC |
0f113f3e MC |
1377 | case SSL_SECOP_OTHER_CURVE: |
1378 | { | |
1379 | const char *cname; | |
1380 | cname = EC_curve_nid2nist(nid); | |
1381 | if (cname == NULL) | |
1382 | cname = OBJ_nid2sn(nid); | |
1383 | BIO_puts(sdb->out, cname); | |
1384 | } | |
1385 | break; | |
fd86c2b1 | 1386 | #endif |
37f3a3b3 | 1387 | #ifndef OPENSSL_NO_DH |
0f113f3e MC |
1388 | case SSL_SECOP_OTHER_DH: |
1389 | { | |
1390 | DH *dh = other; | |
0aeddcfa | 1391 | BIO_printf(sdb->out, "%d", DH_bits(dh)); |
0f113f3e MC |
1392 | break; |
1393 | } | |
37f3a3b3 | 1394 | #endif |
0f113f3e MC |
1395 | case SSL_SECOP_OTHER_CERT: |
1396 | { | |
1397 | if (cert_md) { | |
1398 | int sig_nid = X509_get_signature_nid(other); | |
1399 | BIO_puts(sdb->out, OBJ_nid2sn(sig_nid)); | |
1400 | } else { | |
c01ff880 | 1401 | EVP_PKEY *pkey = X509_get0_pubkey(other); |
0f113f3e MC |
1402 | const char *algname = ""; |
1403 | EVP_PKEY_asn1_get0_info(NULL, NULL, NULL, NULL, | |
1404 | &algname, EVP_PKEY_get0_asn1(pkey)); | |
1405 | BIO_printf(sdb->out, "%s, bits=%d", | |
1406 | algname, EVP_PKEY_bits(pkey)); | |
0f113f3e MC |
1407 | } |
1408 | break; | |
1409 | } | |
1410 | case SSL_SECOP_OTHER_SIGALG: | |
1411 | { | |
1412 | const unsigned char *salg = other; | |
1413 | const char *sname = NULL; | |
861e4562 LZ |
1414 | int raw_sig_code = (salg[0] << 8) + salg[1]; /* always big endian (msb, lsb) */ |
1415 | /* raw_sig_code: signature_scheme from tls1.3, or signature_and_hash from tls1.2 */ | |
0f113f3e | 1416 | |
861e4562 LZ |
1417 | if (nm != NULL) |
1418 | BIO_printf(sdb->out, "%s", nm); | |
0f113f3e | 1419 | else |
861e4562 LZ |
1420 | BIO_printf(sdb->out, "s_cb.c:security_callback_debug op=0x%x", op); |
1421 | ||
1422 | sname = lookup(raw_sig_code, signature_tls13_scheme_list, NULL); | |
1423 | if (sname != NULL) { | |
1424 | BIO_printf(sdb->out, " scheme=%s", sname); | |
1425 | } else { | |
1426 | int alg_code = salg[1]; | |
1427 | int hash_code = salg[0]; | |
1428 | const char *alg_str = lookup(alg_code, signature_tls12_alg_list, NULL); | |
1429 | const char *hash_str = lookup(hash_code, signature_tls12_hash_list, NULL); | |
1430 | ||
1431 | if (alg_str != NULL && hash_str != NULL) | |
1432 | BIO_printf(sdb->out, " digest=%s, algorithm=%s", hash_str, alg_str); | |
1433 | else | |
1434 | BIO_printf(sdb->out, " scheme=unknown(0x%04x)", raw_sig_code); | |
1435 | } | |
0f113f3e MC |
1436 | } |
1437 | ||
1438 | } | |
1439 | ||
1440 | if (show_bits) | |
1441 | BIO_printf(sdb->out, ", security bits=%d", bits); | |
1442 | BIO_printf(sdb->out, ": %s\n", rv ? "yes" : "no"); | |
1443 | return rv; | |
1444 | } | |
e03c5b59 | 1445 | |
ecf3a1fb | 1446 | void ssl_ctx_security_debug(SSL_CTX *ctx, int verbose) |
0f113f3e MC |
1447 | { |
1448 | static security_debug_ex sdb; | |
ecf3a1fb RS |
1449 | |
1450 | sdb.out = bio_err; | |
0f113f3e MC |
1451 | sdb.verbose = verbose; |
1452 | sdb.old_cb = SSL_CTX_get_security_callback(ctx); | |
1453 | SSL_CTX_set_security_callback(ctx, security_callback_debug); | |
1454 | SSL_CTX_set0_security_ex_data(ctx, &sdb); | |
1455 | } | |
4bf73e9f PW |
1456 | |
1457 | static void keylog_callback(const SSL *ssl, const char *line) | |
1458 | { | |
1459 | if (bio_keylog == NULL) { | |
1460 | BIO_printf(bio_err, "Keylog callback is invoked without valid file!\n"); | |
1461 | return; | |
1462 | } | |
1463 | ||
1464 | /* | |
1465 | * There might be concurrent writers to the keylog file, so we must ensure | |
1466 | * that the given line is written at once. | |
1467 | */ | |
1468 | BIO_printf(bio_keylog, "%s\n", line); | |
1469 | (void)BIO_flush(bio_keylog); | |
1470 | } | |
1471 | ||
1472 | int set_keylog_file(SSL_CTX *ctx, const char *keylog_file) | |
1473 | { | |
1474 | /* Close any open files */ | |
1475 | BIO_free_all(bio_keylog); | |
1476 | bio_keylog = NULL; | |
1477 | ||
1478 | if (ctx == NULL || keylog_file == NULL) { | |
1479 | /* Keylogging is disabled, OK. */ | |
1480 | return 0; | |
1481 | } | |
1482 | ||
1483 | /* | |
1484 | * Append rather than write in order to allow concurrent modification. | |
1485 | * Furthermore, this preserves existing keylog files which is useful when | |
1486 | * the tool is run multiple times. | |
1487 | */ | |
1488 | bio_keylog = BIO_new_file(keylog_file, "a"); | |
1489 | if (bio_keylog == NULL) { | |
1490 | BIO_printf(bio_err, "Error writing keylog file %s\n", keylog_file); | |
1491 | return 1; | |
1492 | } | |
1493 | ||
1494 | /* Write a header for seekable, empty files (this excludes pipes). */ | |
1495 | if (BIO_tell(bio_keylog) == 0) { | |
1496 | BIO_puts(bio_keylog, | |
1497 | "# SSL/TLS secrets log file, generated by OpenSSL\n"); | |
1498 | (void)BIO_flush(bio_keylog); | |
1499 | } | |
1500 | SSL_CTX_set_keylog_callback(ctx, keylog_callback); | |
1501 | return 0; | |
1502 | } | |
5969a2dd DSH |
1503 | |
1504 | void print_ca_names(BIO *bio, SSL *s) | |
1505 | { | |
1506 | const char *cs = SSL_is_server(s) ? "server" : "client"; | |
1507 | const STACK_OF(X509_NAME) *sk = SSL_get0_peer_CA_list(s); | |
1508 | int i; | |
1509 | ||
1510 | if (sk == NULL || sk_X509_NAME_num(sk) == 0) { | |
1e8e75d1 BB |
1511 | if (!SSL_is_server(s)) |
1512 | BIO_printf(bio, "---\nNo %s certificate CA names sent\n", cs); | |
5969a2dd DSH |
1513 | return; |
1514 | } | |
1515 | ||
1516 | BIO_printf(bio, "---\nAcceptable %s certificate CA names\n",cs); | |
1517 | for (i = 0; i < sk_X509_NAME_num(sk); i++) { | |
b5c4209b | 1518 | X509_NAME_print_ex(bio, sk_X509_NAME_value(sk, i), 0, get_nameopt()); |
5969a2dd DSH |
1519 | BIO_write(bio, "\n", 1); |
1520 | } | |
1521 | } |