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Commit | Line | Data |
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846e33c7 RS |
1 | /* |
2 | * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved. | |
a661b653 | 3 | * |
846e33c7 RS |
4 | * Licensed under the OpenSSL license (the "License"). You may not use |
5 | * this file except in compliance with the License. You can obtain a copy | |
6 | * in the file LICENSE in the source distribution or at | |
7 | * https://www.openssl.org/source/license.html | |
a661b653 | 8 | */ |
d02b48c6 | 9 | |
7e1b7485 | 10 | /* callback functions used by s_client, s_server, and s_time */ |
d02b48c6 RE |
11 | #include <stdio.h> |
12 | #include <stdlib.h> | |
8f744cce | 13 | #include <string.h> /* for memcpy() and strcmp() */ |
d02b48c6 | 14 | #define USE_SOCKETS |
d02b48c6 | 15 | #include "apps.h" |
d02b48c6 | 16 | #undef USE_SOCKETS |
ec577822 | 17 | #include <openssl/err.h> |
07a9d1a2 | 18 | #include <openssl/rand.h> |
ec577822 BM |
19 | #include <openssl/x509.h> |
20 | #include <openssl/ssl.h> | |
e03c5b59 DSH |
21 | #include <openssl/bn.h> |
22 | #ifndef OPENSSL_NO_DH | |
0f113f3e | 23 | # include <openssl/dh.h> |
e03c5b59 | 24 | #endif |
d02b48c6 RE |
25 | #include "s_apps.h" |
26 | ||
0f113f3e | 27 | #define COOKIE_SECRET_LENGTH 16 |
07a9d1a2 | 28 | |
acc00492 F |
29 | VERIFY_CB_ARGS verify_args = { 0, 0, X509_V_OK, 0 }; |
30 | ||
f9e55034 | 31 | #ifndef OPENSSL_NO_SOCK |
df2ee0e2 BL |
32 | static unsigned char cookie_secret[COOKIE_SECRET_LENGTH]; |
33 | static int cookie_initialized = 0; | |
f9e55034 | 34 | #endif |
d02b48c6 | 35 | |
3e8e688f RS |
36 | static const char *lookup(int val, const STRINT_PAIR* list, const char* def) |
37 | { | |
38 | for ( ; list->name; ++list) | |
39 | if (list->retval == val) | |
40 | return list->name; | |
41 | return def; | |
42 | } | |
43 | ||
6d23cf97 | 44 | int verify_callback(int ok, X509_STORE_CTX *ctx) |
0f113f3e MC |
45 | { |
46 | X509 *err_cert; | |
47 | int err, depth; | |
48 | ||
49 | err_cert = X509_STORE_CTX_get_current_cert(ctx); | |
50 | err = X509_STORE_CTX_get_error(ctx); | |
51 | depth = X509_STORE_CTX_get_error_depth(ctx); | |
52 | ||
acc00492 | 53 | if (!verify_args.quiet || !ok) { |
0f113f3e MC |
54 | BIO_printf(bio_err, "depth=%d ", depth); |
55 | if (err_cert) { | |
56 | X509_NAME_print_ex(bio_err, | |
57 | X509_get_subject_name(err_cert), | |
58 | 0, XN_FLAG_ONELINE); | |
59 | BIO_puts(bio_err, "\n"); | |
60 | } else | |
61 | BIO_puts(bio_err, "<no cert>\n"); | |
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), | |
79 | 0, XN_FLAG_ONELINE); | |
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="); | |
85 | ASN1_TIME_print(bio_err, X509_get_notBefore(err_cert)); | |
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="); | |
91 | ASN1_TIME_print(bio_err, X509_get_notAfter(err_cert)); | |
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 MC |
102 | BIO_printf(bio_err, "verify return:%d\n", ok); |
103 | return (ok); | |
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); | |
114 | return (0); | |
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); | |
122 | return (0); | |
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"); | |
137 | return (0); | |
138 | } | |
139 | } | |
140 | return (1); | |
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, ", "); | |
0f113f3e MC |
208 | if (cname) |
209 | BIO_puts(bio, cname); | |
210 | else | |
211 | BIO_printf(bio, "UNKNOWN (%d),", cert_type); | |
212 | } | |
213 | BIO_puts(bio, "\n"); | |
214 | } | |
9f27b1ee DSH |
215 | |
216 | static int do_print_sigalgs(BIO *out, SSL *s, int shared) | |
0f113f3e MC |
217 | { |
218 | int i, nsig, client; | |
219 | client = SSL_is_server(s) ? 0 : 1; | |
220 | if (shared) | |
221 | nsig = SSL_get_shared_sigalgs(s, -1, NULL, NULL, NULL, NULL, NULL); | |
222 | else | |
223 | nsig = SSL_get_sigalgs(s, -1, NULL, NULL, NULL, NULL, NULL); | |
224 | if (nsig == 0) | |
225 | return 1; | |
226 | ||
227 | if (shared) | |
228 | BIO_puts(out, "Shared "); | |
229 | ||
230 | if (client) | |
231 | BIO_puts(out, "Requested "); | |
232 | BIO_puts(out, "Signature Algorithms: "); | |
233 | for (i = 0; i < nsig; i++) { | |
234 | int hash_nid, sign_nid; | |
235 | unsigned char rhash, rsign; | |
236 | const char *sstr = NULL; | |
237 | if (shared) | |
238 | SSL_get_shared_sigalgs(s, i, &sign_nid, &hash_nid, NULL, | |
239 | &rsign, &rhash); | |
240 | else | |
241 | SSL_get_sigalgs(s, i, &sign_nid, &hash_nid, NULL, &rsign, &rhash); | |
242 | if (i) | |
243 | BIO_puts(out, ":"); | |
244 | if (sign_nid == EVP_PKEY_RSA) | |
245 | sstr = "RSA"; | |
246 | else if (sign_nid == EVP_PKEY_DSA) | |
247 | sstr = "DSA"; | |
248 | else if (sign_nid == EVP_PKEY_EC) | |
249 | sstr = "ECDSA"; | |
250 | if (sstr) | |
251 | BIO_printf(out, "%s+", sstr); | |
252 | else | |
253 | BIO_printf(out, "0x%02X+", (int)rsign); | |
254 | if (hash_nid != NID_undef) | |
255 | BIO_printf(out, "%s", OBJ_nid2sn(hash_nid)); | |
256 | else | |
257 | BIO_printf(out, "0x%02X", (int)rhash); | |
258 | } | |
259 | BIO_puts(out, "\n"); | |
260 | return 1; | |
261 | } | |
e7f8ff43 | 262 | |
9f27b1ee | 263 | int ssl_print_sigalgs(BIO *out, SSL *s) |
0f113f3e MC |
264 | { |
265 | int mdnid; | |
266 | if (!SSL_is_server(s)) | |
267 | ssl_print_client_cert_types(out, s); | |
268 | do_print_sigalgs(out, s, 0); | |
269 | do_print_sigalgs(out, s, 1); | |
270 | if (SSL_get_peer_signature_nid(s, &mdnid)) | |
271 | BIO_printf(out, "Peer signing digest: %s\n", OBJ_nid2sn(mdnid)); | |
272 | return 1; | |
273 | } | |
274 | ||
14536c8c | 275 | #ifndef OPENSSL_NO_EC |
20b431e3 | 276 | int ssl_print_point_formats(BIO *out, SSL *s) |
0f113f3e MC |
277 | { |
278 | int i, nformats; | |
279 | const char *pformats; | |
280 | nformats = SSL_get0_ec_point_formats(s, &pformats); | |
281 | if (nformats <= 0) | |
282 | return 1; | |
283 | BIO_puts(out, "Supported Elliptic Curve Point Formats: "); | |
284 | for (i = 0; i < nformats; i++, pformats++) { | |
285 | if (i) | |
286 | BIO_puts(out, ":"); | |
287 | switch (*pformats) { | |
288 | case TLSEXT_ECPOINTFORMAT_uncompressed: | |
289 | BIO_puts(out, "uncompressed"); | |
290 | break; | |
291 | ||
292 | case TLSEXT_ECPOINTFORMAT_ansiX962_compressed_prime: | |
293 | BIO_puts(out, "ansiX962_compressed_prime"); | |
294 | break; | |
295 | ||
296 | case TLSEXT_ECPOINTFORMAT_ansiX962_compressed_char2: | |
297 | BIO_puts(out, "ansiX962_compressed_char2"); | |
298 | break; | |
299 | ||
300 | default: | |
301 | BIO_printf(out, "unknown(%d)", (int)*pformats); | |
302 | break; | |
303 | ||
304 | } | |
305 | } | |
0f113f3e MC |
306 | BIO_puts(out, "\n"); |
307 | return 1; | |
308 | } | |
20b431e3 | 309 | |
2a7cbe77 | 310 | int ssl_print_curves(BIO *out, SSL *s, int noshared) |
0f113f3e MC |
311 | { |
312 | int i, ncurves, *curves, nid; | |
313 | const char *cname; | |
7e1b7485 | 314 | |
0f113f3e MC |
315 | ncurves = SSL_get1_curves(s, NULL); |
316 | if (ncurves <= 0) | |
317 | return 1; | |
68dc6824 | 318 | curves = app_malloc(ncurves * sizeof(int), "curves to print"); |
0f113f3e MC |
319 | SSL_get1_curves(s, curves); |
320 | ||
321 | BIO_puts(out, "Supported Elliptic Curves: "); | |
322 | for (i = 0; i < ncurves; i++) { | |
323 | if (i) | |
324 | BIO_puts(out, ":"); | |
325 | nid = curves[i]; | |
326 | /* If unrecognised print out hex version */ | |
327 | if (nid & TLSEXT_nid_unknown) | |
328 | BIO_printf(out, "0x%04X", nid & 0xFFFF); | |
329 | else { | |
330 | /* Use NIST name for curve if it exists */ | |
331 | cname = EC_curve_nid2nist(nid); | |
332 | if (!cname) | |
333 | cname = OBJ_nid2sn(nid); | |
334 | BIO_printf(out, "%s", cname); | |
335 | } | |
336 | } | |
0f113f3e MC |
337 | OPENSSL_free(curves); |
338 | if (noshared) { | |
339 | BIO_puts(out, "\n"); | |
340 | return 1; | |
341 | } | |
342 | BIO_puts(out, "\nShared Elliptic curves: "); | |
343 | ncurves = SSL_get_shared_curve(s, -1); | |
344 | for (i = 0; i < ncurves; i++) { | |
345 | if (i) | |
346 | BIO_puts(out, ":"); | |
347 | nid = SSL_get_shared_curve(s, i); | |
348 | cname = EC_curve_nid2nist(nid); | |
349 | if (!cname) | |
350 | cname = OBJ_nid2sn(nid); | |
351 | BIO_printf(out, "%s", cname); | |
352 | } | |
353 | if (ncurves == 0) | |
354 | BIO_puts(out, "NONE"); | |
355 | BIO_puts(out, "\n"); | |
356 | return 1; | |
357 | } | |
14536c8c | 358 | #endif |
33a8de69 | 359 | int ssl_print_tmp_key(BIO *out, SSL *s) |
0f113f3e MC |
360 | { |
361 | EVP_PKEY *key; | |
362 | if (!SSL_get_server_tmp_key(s, &key)) | |
363 | return 1; | |
364 | BIO_puts(out, "Server Temp Key: "); | |
365 | switch (EVP_PKEY_id(key)) { | |
366 | case EVP_PKEY_RSA: | |
367 | BIO_printf(out, "RSA, %d bits\n", EVP_PKEY_bits(key)); | |
368 | break; | |
369 | ||
370 | case EVP_PKEY_DH: | |
371 | BIO_printf(out, "DH, %d bits\n", EVP_PKEY_bits(key)); | |
372 | break; | |
10bf4fc2 | 373 | #ifndef OPENSSL_NO_EC |
0f113f3e MC |
374 | case EVP_PKEY_EC: |
375 | { | |
376 | EC_KEY *ec = EVP_PKEY_get1_EC_KEY(key); | |
377 | int nid; | |
378 | const char *cname; | |
379 | nid = EC_GROUP_get_curve_name(EC_KEY_get0_group(ec)); | |
380 | EC_KEY_free(ec); | |
381 | cname = EC_curve_nid2nist(nid); | |
382 | if (!cname) | |
383 | cname = OBJ_nid2sn(nid); | |
384 | BIO_printf(out, "ECDH, %s, %d bits\n", cname, EVP_PKEY_bits(key)); | |
385 | } | |
14536c8c | 386 | #endif |
0f113f3e MC |
387 | } |
388 | EVP_PKEY_free(key); | |
389 | return 1; | |
390 | } | |
e7f8ff43 | 391 | |
6d23cf97 | 392 | long bio_dump_callback(BIO *bio, int cmd, const char *argp, |
0f113f3e MC |
393 | int argi, long argl, long ret) |
394 | { | |
395 | BIO *out; | |
396 | ||
397 | out = (BIO *)BIO_get_callback_arg(bio); | |
398 | if (out == NULL) | |
399 | return (ret); | |
400 | ||
401 | if (cmd == (BIO_CB_READ | BIO_CB_RETURN)) { | |
402 | BIO_printf(out, "read from %p [%p] (%lu bytes => %ld (0x%lX))\n", | |
50eadf2a | 403 | (void *)bio, (void *)argp, (unsigned long)argi, ret, ret); |
0f113f3e MC |
404 | BIO_dump(out, argp, (int)ret); |
405 | return (ret); | |
406 | } else if (cmd == (BIO_CB_WRITE | BIO_CB_RETURN)) { | |
407 | BIO_printf(out, "write to %p [%p] (%lu bytes => %ld (0x%lX))\n", | |
50eadf2a | 408 | (void *)bio, (void *)argp, (unsigned long)argi, ret, ret); |
0f113f3e MC |
409 | BIO_dump(out, argp, (int)ret); |
410 | } | |
411 | return (ret); | |
412 | } | |
d02b48c6 | 413 | |
6d23cf97 | 414 | void apps_ssl_info_callback(const SSL *s, int where, int ret) |
0f113f3e MC |
415 | { |
416 | const char *str; | |
417 | int w; | |
418 | ||
419 | w = where & ~SSL_ST_MASK; | |
420 | ||
421 | if (w & SSL_ST_CONNECT) | |
422 | str = "SSL_connect"; | |
423 | else if (w & SSL_ST_ACCEPT) | |
424 | str = "SSL_accept"; | |
425 | else | |
426 | str = "undefined"; | |
427 | ||
428 | if (where & SSL_CB_LOOP) { | |
429 | BIO_printf(bio_err, "%s:%s\n", str, SSL_state_string_long(s)); | |
430 | } else if (where & SSL_CB_ALERT) { | |
431 | str = (where & SSL_CB_READ) ? "read" : "write"; | |
432 | BIO_printf(bio_err, "SSL3 alert %s:%s:%s\n", | |
433 | str, | |
434 | SSL_alert_type_string_long(ret), | |
435 | SSL_alert_desc_string_long(ret)); | |
436 | } else if (where & SSL_CB_EXIT) { | |
437 | if (ret == 0) | |
438 | BIO_printf(bio_err, "%s:failed in %s\n", | |
439 | str, SSL_state_string_long(s)); | |
440 | else if (ret < 0) { | |
441 | BIO_printf(bio_err, "%s:error in %s\n", | |
442 | str, SSL_state_string_long(s)); | |
443 | } | |
444 | } | |
445 | } | |
d02b48c6 | 446 | |
3e8e688f RS |
447 | static STRINT_PAIR ssl_versions[] = { |
448 | {"SSL 3.0", SSL3_VERSION}, | |
449 | {"TLS 1.0", TLS1_VERSION}, | |
450 | {"TLS 1.1", TLS1_1_VERSION}, | |
451 | {"TLS 1.2", TLS1_2_VERSION}, | |
452 | {"DTLS 1.0", DTLS1_VERSION}, | |
453 | {"DTLS 1.0 (bad)", DTLS1_BAD_VER}, | |
454 | {NULL} | |
455 | }; | |
456 | static STRINT_PAIR alert_types[] = { | |
457 | {" close_notify", 0}, | |
458 | {" unexpected_message", 10}, | |
459 | {" bad_record_mac", 20}, | |
460 | {" decryption_failed", 21}, | |
461 | {" record_overflow", 22}, | |
462 | {" decompression_failure", 30}, | |
463 | {" handshake_failure", 40}, | |
464 | {" bad_certificate", 42}, | |
465 | {" unsupported_certificate", 43}, | |
466 | {" certificate_revoked", 44}, | |
467 | {" certificate_expired", 45}, | |
468 | {" certificate_unknown", 46}, | |
469 | {" illegal_parameter", 47}, | |
470 | {" unknown_ca", 48}, | |
471 | {" access_denied", 49}, | |
472 | {" decode_error", 50}, | |
473 | {" decrypt_error", 51}, | |
474 | {" export_restriction", 60}, | |
475 | {" protocol_version", 70}, | |
476 | {" insufficient_security", 71}, | |
477 | {" internal_error", 80}, | |
478 | {" user_canceled", 90}, | |
479 | {" no_renegotiation", 100}, | |
480 | {" unsupported_extension", 110}, | |
481 | {" certificate_unobtainable", 111}, | |
482 | {" unrecognized_name", 112}, | |
483 | {" bad_certificate_status_response", 113}, | |
484 | {" bad_certificate_hash_value", 114}, | |
485 | {" unknown_psk_identity", 115}, | |
486 | {NULL} | |
487 | }; | |
488 | ||
489 | static STRINT_PAIR handshakes[] = { | |
490 | {", HelloRequest", 0}, | |
491 | {", ClientHello", 1}, | |
492 | {", ServerHello", 2}, | |
493 | {", HelloVerifyRequest", 3}, | |
7429b398 | 494 | {", NewSessionTicket", 4}, |
3e8e688f RS |
495 | {", Certificate", 11}, |
496 | {", ServerKeyExchange", 12}, | |
497 | {", CertificateRequest", 13}, | |
498 | {", ServerHelloDone", 14}, | |
499 | {", CertificateVerify", 15}, | |
500 | {", ClientKeyExchange", 16}, | |
501 | {", Finished", 20}, | |
7429b398 DB |
502 | {", CertificateUrl", 21}, |
503 | {", CertificateStatus", 22}, | |
504 | {", SupplementalData", 23}, | |
3e8e688f RS |
505 | {NULL} |
506 | }; | |
0f113f3e MC |
507 | |
508 | void msg_cb(int write_p, int version, int content_type, const void *buf, | |
509 | size_t len, SSL *ssl, void *arg) | |
510 | { | |
511 | BIO *bio = arg; | |
3e8e688f RS |
512 | const char *str_write_p = write_p ? ">>>" : "<<<"; |
513 | const char *str_version = lookup(version, ssl_versions, "???"); | |
514 | const char *str_content_type = "", *str_details1 = "", *str_details2 = ""; | |
515 | const unsigned char* bp = buf; | |
0f113f3e MC |
516 | |
517 | if (version == SSL3_VERSION || | |
518 | version == TLS1_VERSION || | |
519 | version == TLS1_1_VERSION || | |
520 | version == TLS1_2_VERSION || | |
521 | version == DTLS1_VERSION || version == DTLS1_BAD_VER) { | |
522 | switch (content_type) { | |
523 | case 20: | |
524 | str_content_type = "ChangeCipherSpec"; | |
525 | break; | |
526 | case 21: | |
527 | str_content_type = "Alert"; | |
0f113f3e | 528 | str_details1 = ", ???"; |
0f113f3e | 529 | if (len == 2) { |
3e8e688f | 530 | switch (bp[0]) { |
0f113f3e MC |
531 | case 1: |
532 | str_details1 = ", warning"; | |
533 | break; | |
534 | case 2: | |
535 | str_details1 = ", fatal"; | |
536 | break; | |
537 | } | |
3e8e688f | 538 | str_details2 = lookup((int)bp[1], alert_types, " ???"); |
0f113f3e | 539 | } |
3e8e688f RS |
540 | break; |
541 | case 22: | |
542 | str_content_type = "Handshake"; | |
0f113f3e | 543 | str_details1 = "???"; |
3e8e688f RS |
544 | if (len > 0) |
545 | str_details1 = lookup((int)bp[0], handshakes, "???"); | |
546 | break; | |
7429b398 DB |
547 | case 23: |
548 | str_content_type = "ApplicationData"; | |
549 | break; | |
4817504d | 550 | #ifndef OPENSSL_NO_HEARTBEATS |
3e8e688f | 551 | case 24: |
0f113f3e MC |
552 | str_details1 = ", Heartbeat"; |
553 | ||
554 | if (len > 0) { | |
3e8e688f | 555 | switch (bp[0]) { |
0f113f3e MC |
556 | case 1: |
557 | str_details1 = ", HeartbeatRequest"; | |
558 | break; | |
559 | case 2: | |
560 | str_details1 = ", HeartbeatResponse"; | |
561 | break; | |
562 | } | |
563 | } | |
3e8e688f | 564 | break; |
4817504d | 565 | #endif |
3e8e688f | 566 | } |
0f113f3e | 567 | } |
a661b653 | 568 | |
0f113f3e MC |
569 | BIO_printf(bio, "%s %s%s [length %04lx]%s%s\n", str_write_p, str_version, |
570 | str_content_type, (unsigned long)len, str_details1, | |
571 | str_details2); | |
a661b653 | 572 | |
0f113f3e MC |
573 | if (len > 0) { |
574 | size_t num, i; | |
575 | ||
576 | BIO_printf(bio, " "); | |
577 | num = len; | |
0f113f3e MC |
578 | for (i = 0; i < num; i++) { |
579 | if (i % 16 == 0 && i > 0) | |
580 | BIO_printf(bio, "\n "); | |
581 | BIO_printf(bio, " %02x", ((const unsigned char *)buf)[i]); | |
582 | } | |
583 | if (i < len) | |
584 | BIO_printf(bio, " ..."); | |
585 | BIO_printf(bio, "\n"); | |
586 | } | |
587 | (void)BIO_flush(bio); | |
588 | } | |
6434abbf | 589 | |
3e8e688f RS |
590 | static STRINT_PAIR tlsext_types[] = { |
591 | {"server name", TLSEXT_TYPE_server_name}, | |
592 | {"max fragment length", TLSEXT_TYPE_max_fragment_length}, | |
593 | {"client certificate URL", TLSEXT_TYPE_client_certificate_url}, | |
594 | {"trusted CA keys", TLSEXT_TYPE_trusted_ca_keys}, | |
595 | {"truncated HMAC", TLSEXT_TYPE_truncated_hmac}, | |
596 | {"status request", TLSEXT_TYPE_status_request}, | |
597 | {"user mapping", TLSEXT_TYPE_user_mapping}, | |
598 | {"client authz", TLSEXT_TYPE_client_authz}, | |
599 | {"server authz", TLSEXT_TYPE_server_authz}, | |
600 | {"cert type", TLSEXT_TYPE_cert_type}, | |
601 | {"elliptic curves", TLSEXT_TYPE_elliptic_curves}, | |
602 | {"EC point formats", TLSEXT_TYPE_ec_point_formats}, | |
603 | {"SRP", TLSEXT_TYPE_srp}, | |
604 | {"signature algorithms", TLSEXT_TYPE_signature_algorithms}, | |
605 | {"use SRTP", TLSEXT_TYPE_use_srtp}, | |
606 | {"heartbeat", TLSEXT_TYPE_heartbeat}, | |
607 | {"session ticket", TLSEXT_TYPE_session_ticket}, | |
608 | {"renegotiation info", TLSEXT_TYPE_renegotiate}, | |
dd696a55 | 609 | {"signed certificate timestamps", TLSEXT_TYPE_signed_certificate_timestamp}, |
3e8e688f | 610 | {"TLS padding", TLSEXT_TYPE_padding}, |
15a40af2 | 611 | #ifdef TLSEXT_TYPE_next_proto_neg |
3e8e688f | 612 | {"next protocol", TLSEXT_TYPE_next_proto_neg}, |
15a40af2 | 613 | #endif |
5e3ff62c | 614 | #ifdef TLSEXT_TYPE_encrypt_then_mac |
3e8e688f | 615 | {"encrypt-then-mac", TLSEXT_TYPE_encrypt_then_mac}, |
5e3ff62c | 616 | #endif |
b48357d9 AG |
617 | #ifdef TLSEXT_TYPE_application_layer_protocol_negotiation |
618 | {"application layer protocol negotiation", | |
619 | TLSEXT_TYPE_application_layer_protocol_negotiation}, | |
fecd04e9 AG |
620 | #endif |
621 | #ifdef TLSEXT_TYPE_extended_master_secret | |
622 | {"extended master secret", TLSEXT_TYPE_extended_master_secret}, | |
b48357d9 | 623 | #endif |
3e8e688f RS |
624 | {NULL} |
625 | }; | |
0f113f3e | 626 | |
3e8e688f | 627 | void tlsext_cb(SSL *s, int client_server, int type, |
b6981744 | 628 | const unsigned char *data, int len, void *arg) |
3e8e688f RS |
629 | { |
630 | BIO *bio = arg; | |
631 | const char *extname = lookup(type, tlsext_types, "unknown"); | |
0f113f3e MC |
632 | |
633 | BIO_printf(bio, "TLS %s extension \"%s\" (id=%d), len=%d\n", | |
634 | client_server ? "server" : "client", extname, type, len); | |
b6981744 | 635 | BIO_dump(bio, (const char *)data, len); |
0f113f3e MC |
636 | (void)BIO_flush(bio); |
637 | } | |
638 | ||
f9e55034 | 639 | #ifndef OPENSSL_NO_SOCK |
0f113f3e MC |
640 | int generate_cookie_callback(SSL *ssl, unsigned char *cookie, |
641 | unsigned int *cookie_len) | |
642 | { | |
87a595e5 | 643 | unsigned char *buffer; |
d858c876 RL |
644 | size_t length; |
645 | unsigned short port; | |
646 | BIO_ADDR *peer = NULL; | |
0f113f3e MC |
647 | |
648 | /* Initialize a random secret */ | |
649 | if (!cookie_initialized) { | |
266483d2 | 650 | if (RAND_bytes(cookie_secret, COOKIE_SECRET_LENGTH) <= 0) { |
0f113f3e MC |
651 | BIO_printf(bio_err, "error setting random cookie secret\n"); |
652 | return 0; | |
653 | } | |
654 | cookie_initialized = 1; | |
655 | } | |
656 | ||
d858c876 RL |
657 | peer = BIO_ADDR_new(); |
658 | if (peer == NULL) { | |
659 | BIO_printf(bio_err, "memory full\n"); | |
660 | return 0; | |
661 | } | |
662 | ||
0f113f3e | 663 | /* Read peer information */ |
d858c876 | 664 | (void)BIO_dgram_get_peer(SSL_get_rbio(ssl), peer); |
0f113f3e MC |
665 | |
666 | /* Create buffer with peer's address and port */ | |
d858c876 RL |
667 | BIO_ADDR_rawaddress(peer, NULL, &length); |
668 | OPENSSL_assert(length != 0); | |
669 | port = BIO_ADDR_rawport(peer); | |
670 | length += sizeof(port); | |
68dc6824 | 671 | buffer = app_malloc(length, "cookie generate buffer"); |
0f113f3e | 672 | |
d858c876 RL |
673 | memcpy(buffer, &port, sizeof(port)); |
674 | BIO_ADDR_rawaddress(peer, buffer + sizeof(port), NULL); | |
0f113f3e MC |
675 | |
676 | /* Calculate HMAC of buffer using the secret */ | |
677 | HMAC(EVP_sha1(), cookie_secret, COOKIE_SECRET_LENGTH, | |
87a595e5 | 678 | buffer, length, cookie, cookie_len); |
d858c876 | 679 | |
0f113f3e | 680 | OPENSSL_free(buffer); |
d858c876 | 681 | BIO_ADDR_free(peer); |
0f113f3e | 682 | |
0f113f3e MC |
683 | return 1; |
684 | } | |
685 | ||
31011544 | 686 | int verify_cookie_callback(SSL *ssl, const unsigned char *cookie, |
0f113f3e MC |
687 | unsigned int cookie_len) |
688 | { | |
87a595e5 RL |
689 | unsigned char result[EVP_MAX_MD_SIZE]; |
690 | unsigned int resultlength; | |
691 | ||
692 | /* Note: we check cookie_initialized because if it's not, | |
693 | * it cannot be valid */ | |
694 | if (cookie_initialized | |
695 | && generate_cookie_callback(ssl, result, &resultlength) | |
696 | && cookie_len == resultlength | |
0f113f3e MC |
697 | && memcmp(result, cookie, resultlength) == 0) |
698 | return 1; | |
699 | ||
700 | return 0; | |
701 | } | |
f9e55034 | 702 | #endif |
0f113f3e MC |
703 | |
704 | /* | |
705 | * Example of extended certificate handling. Where the standard support of | |
706 | * one certificate per algorithm is not sufficient an application can decide | |
707 | * which certificate(s) to use at runtime based on whatever criteria it deems | |
708 | * appropriate. | |
18d71588 DSH |
709 | */ |
710 | ||
711 | /* Linked list of certificates, keys and chains */ | |
0f113f3e MC |
712 | struct ssl_excert_st { |
713 | int certform; | |
714 | const char *certfile; | |
715 | int keyform; | |
716 | const char *keyfile; | |
717 | const char *chainfile; | |
718 | X509 *cert; | |
719 | EVP_PKEY *key; | |
720 | STACK_OF(X509) *chain; | |
721 | int build_chain; | |
722 | struct ssl_excert_st *next, *prev; | |
723 | }; | |
724 | ||
3e8e688f RS |
725 | static STRINT_PAIR chain_flags[] = { |
726 | {"Overall Validity", CERT_PKEY_VALID}, | |
727 | {"Sign with EE key", CERT_PKEY_SIGN}, | |
728 | {"EE signature", CERT_PKEY_EE_SIGNATURE}, | |
729 | {"CA signature", CERT_PKEY_CA_SIGNATURE}, | |
730 | {"EE key parameters", CERT_PKEY_EE_PARAM}, | |
731 | {"CA key parameters", CERT_PKEY_CA_PARAM}, | |
0d4fb843 | 732 | {"Explicitly sign with EE key", CERT_PKEY_EXPLICIT_SIGN}, |
3e8e688f RS |
733 | {"Issuer Name", CERT_PKEY_ISSUER_NAME}, |
734 | {"Certificate Type", CERT_PKEY_CERT_TYPE}, | |
735 | {NULL} | |
0f113f3e | 736 | }; |
6dbb6219 | 737 | |
ecf3a1fb | 738 | static void print_chain_flags(SSL *s, int flags) |
0f113f3e | 739 | { |
3e8e688f | 740 | STRINT_PAIR *pp; |
ecf3a1fb | 741 | |
3e8e688f RS |
742 | for (pp = chain_flags; pp->name; ++pp) |
743 | BIO_printf(bio_err, "\t%s: %s\n", | |
744 | pp->name, | |
745 | (flags & pp->retval) ? "OK" : "NOT OK"); | |
ecf3a1fb | 746 | BIO_printf(bio_err, "\tSuite B: "); |
0f113f3e | 747 | if (SSL_set_cert_flags(s, 0) & SSL_CERT_FLAG_SUITEB_128_LOS) |
ecf3a1fb | 748 | BIO_puts(bio_err, flags & CERT_PKEY_SUITEB ? "OK\n" : "NOT OK\n"); |
0f113f3e | 749 | else |
ecf3a1fb | 750 | BIO_printf(bio_err, "not tested\n"); |
0f113f3e MC |
751 | } |
752 | ||
753 | /* | |
754 | * Very basic selection callback: just use any certificate chain reported as | |
755 | * valid. More sophisticated could prioritise according to local policy. | |
18d71588 DSH |
756 | */ |
757 | static int set_cert_cb(SSL *ssl, void *arg) | |
0f113f3e MC |
758 | { |
759 | int i, rv; | |
760 | SSL_EXCERT *exc = arg; | |
3323314f | 761 | #ifdef CERT_CB_TEST_RETRY |
0f113f3e MC |
762 | static int retry_cnt; |
763 | if (retry_cnt < 5) { | |
764 | retry_cnt++; | |
7768e116 RS |
765 | BIO_printf(bio_err, |
766 | "Certificate callback retry test: count %d\n", | |
767 | retry_cnt); | |
0f113f3e MC |
768 | return -1; |
769 | } | |
3323314f | 770 | #endif |
0f113f3e MC |
771 | SSL_certs_clear(ssl); |
772 | ||
773 | if (!exc) | |
774 | return 1; | |
775 | ||
776 | /* | |
777 | * Go to end of list and traverse backwards since we prepend newer | |
778 | * entries this retains the original order. | |
779 | */ | |
780 | while (exc->next) | |
781 | exc = exc->next; | |
782 | ||
783 | i = 0; | |
784 | ||
785 | while (exc) { | |
786 | i++; | |
787 | rv = SSL_check_chain(ssl, exc->cert, exc->key, exc->chain); | |
788 | BIO_printf(bio_err, "Checking cert chain %d:\nSubject: ", i); | |
789 | X509_NAME_print_ex(bio_err, X509_get_subject_name(exc->cert), 0, | |
790 | XN_FLAG_ONELINE); | |
791 | BIO_puts(bio_err, "\n"); | |
ecf3a1fb | 792 | print_chain_flags(ssl, rv); |
0f113f3e | 793 | if (rv & CERT_PKEY_VALID) { |
61986d32 | 794 | if (!SSL_use_certificate(ssl, exc->cert) |
7e1b7485 | 795 | || !SSL_use_PrivateKey(ssl, exc->key)) { |
ac59d705 MC |
796 | return 0; |
797 | } | |
0f113f3e MC |
798 | /* |
799 | * NB: we wouldn't normally do this as it is not efficient | |
800 | * building chains on each connection better to cache the chain | |
801 | * in advance. | |
802 | */ | |
803 | if (exc->build_chain) { | |
804 | if (!SSL_build_cert_chain(ssl, 0)) | |
805 | return 0; | |
806 | } else if (exc->chain) | |
807 | SSL_set1_chain(ssl, exc->chain); | |
808 | } | |
809 | exc = exc->prev; | |
810 | } | |
811 | return 1; | |
812 | } | |
18d71588 DSH |
813 | |
814 | void ssl_ctx_set_excert(SSL_CTX *ctx, SSL_EXCERT *exc) | |
0f113f3e MC |
815 | { |
816 | SSL_CTX_set_cert_cb(ctx, set_cert_cb, exc); | |
817 | } | |
18d71588 DSH |
818 | |
819 | static int ssl_excert_prepend(SSL_EXCERT **pexc) | |
0f113f3e | 820 | { |
b4faea50 | 821 | SSL_EXCERT *exc = app_malloc(sizeof(*exc), "prepend cert"); |
68dc6824 | 822 | |
64b25758 | 823 | memset(exc, 0, sizeof(*exc)); |
0f113f3e MC |
824 | |
825 | exc->next = *pexc; | |
826 | *pexc = exc; | |
827 | ||
828 | if (exc->next) { | |
829 | exc->certform = exc->next->certform; | |
830 | exc->keyform = exc->next->keyform; | |
831 | exc->next->prev = exc; | |
832 | } else { | |
833 | exc->certform = FORMAT_PEM; | |
834 | exc->keyform = FORMAT_PEM; | |
835 | } | |
836 | return 1; | |
837 | ||
838 | } | |
18d71588 DSH |
839 | |
840 | void ssl_excert_free(SSL_EXCERT *exc) | |
0f113f3e MC |
841 | { |
842 | SSL_EXCERT *curr; | |
25aaa98a RS |
843 | |
844 | if (!exc) | |
845 | return; | |
0f113f3e | 846 | while (exc) { |
222561fe | 847 | X509_free(exc->cert); |
c5ba2d99 | 848 | EVP_PKEY_free(exc->key); |
222561fe | 849 | sk_X509_pop_free(exc->chain, X509_free); |
0f113f3e MC |
850 | curr = exc; |
851 | exc = exc->next; | |
852 | OPENSSL_free(curr); | |
853 | } | |
854 | } | |
18d71588 | 855 | |
7e1b7485 | 856 | int load_excert(SSL_EXCERT **pexc) |
0f113f3e MC |
857 | { |
858 | SSL_EXCERT *exc = *pexc; | |
859 | if (!exc) | |
860 | return 1; | |
861 | /* If nothing in list, free and set to NULL */ | |
862 | if (!exc->certfile && !exc->next) { | |
863 | ssl_excert_free(exc); | |
864 | *pexc = NULL; | |
865 | return 1; | |
866 | } | |
867 | for (; exc; exc = exc->next) { | |
868 | if (!exc->certfile) { | |
7e1b7485 | 869 | BIO_printf(bio_err, "Missing filename\n"); |
0f113f3e MC |
870 | return 0; |
871 | } | |
7e1b7485 | 872 | exc->cert = load_cert(exc->certfile, exc->certform, |
a773b52a | 873 | "Server Certificate"); |
0f113f3e MC |
874 | if (!exc->cert) |
875 | return 0; | |
876 | if (exc->keyfile) { | |
7e1b7485 | 877 | exc->key = load_key(exc->keyfile, exc->keyform, |
0f113f3e MC |
878 | 0, NULL, NULL, "Server Key"); |
879 | } else { | |
7e1b7485 | 880 | exc->key = load_key(exc->certfile, exc->certform, |
0f113f3e MC |
881 | 0, NULL, NULL, "Server Key"); |
882 | } | |
883 | if (!exc->key) | |
884 | return 0; | |
885 | if (exc->chainfile) { | |
0996dc54 | 886 | if (!load_certs(exc->chainfile, &exc->chain, FORMAT_PEM, NULL, |
a773b52a | 887 | "Server Chain")) |
0f113f3e MC |
888 | return 0; |
889 | } | |
890 | } | |
891 | return 1; | |
892 | } | |
18d71588 | 893 | |
7e1b7485 RS |
894 | enum range { OPT_X_ENUM }; |
895 | ||
896 | int args_excert(int opt, SSL_EXCERT **pexc) | |
0f113f3e | 897 | { |
0f113f3e | 898 | SSL_EXCERT *exc = *pexc; |
7e1b7485 RS |
899 | |
900 | assert(opt > OPT_X__FIRST); | |
901 | assert(opt < OPT_X__LAST); | |
902 | ||
903 | if (exc == NULL) { | |
904 | if (!ssl_excert_prepend(&exc)) { | |
905 | BIO_printf(bio_err, " %s: Error initialising xcert\n", | |
906 | opt_getprog()); | |
0f113f3e MC |
907 | goto err; |
908 | } | |
7e1b7485 | 909 | *pexc = exc; |
0f113f3e | 910 | } |
7e1b7485 RS |
911 | |
912 | switch ((enum range)opt) { | |
913 | case OPT_X__FIRST: | |
914 | case OPT_X__LAST: | |
915 | return 0; | |
916 | case OPT_X_CERT: | |
0f113f3e | 917 | if (exc->certfile && !ssl_excert_prepend(&exc)) { |
7e1b7485 | 918 | BIO_printf(bio_err, "%s: Error adding xcert\n", opt_getprog()); |
0f113f3e MC |
919 | goto err; |
920 | } | |
7e1b7485 RS |
921 | exc->certfile = opt_arg(); |
922 | break; | |
923 | case OPT_X_KEY: | |
0f113f3e | 924 | if (exc->keyfile) { |
7e1b7485 | 925 | BIO_printf(bio_err, "%s: Key already specified\n", opt_getprog()); |
0f113f3e MC |
926 | goto err; |
927 | } | |
7e1b7485 RS |
928 | exc->keyfile = opt_arg(); |
929 | break; | |
930 | case OPT_X_CHAIN: | |
931 | if (exc->chainfile) { | |
932 | BIO_printf(bio_err, "%s: Chain already specified\n", | |
933 | opt_getprog()); | |
0f113f3e MC |
934 | goto err; |
935 | } | |
7e1b7485 RS |
936 | exc->chainfile = opt_arg(); |
937 | break; | |
938 | case OPT_X_CHAIN_BUILD: | |
939 | exc->build_chain = 1; | |
940 | break; | |
941 | case OPT_X_CERTFORM: | |
942 | if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &exc->certform)) | |
943 | return 0; | |
944 | break; | |
945 | case OPT_X_KEYFORM: | |
946 | if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &exc->keyform)) | |
947 | return 0; | |
948 | break; | |
949 | } | |
0f113f3e MC |
950 | return 1; |
951 | ||
952 | err: | |
7e1b7485 | 953 | ERR_print_errors(bio_err); |
25aaa98a | 954 | ssl_excert_free(exc); |
0f113f3e | 955 | *pexc = NULL; |
7e1b7485 | 956 | return 0; |
0f113f3e | 957 | } |
18d71588 | 958 | |
ecf3a1fb | 959 | static void print_raw_cipherlist(SSL *s) |
0f113f3e MC |
960 | { |
961 | const unsigned char *rlist; | |
800fe8e3 | 962 | static const unsigned char scsv_id[] = { 0, 0xFF }; |
0f113f3e MC |
963 | size_t i, rlistlen, num; |
964 | if (!SSL_is_server(s)) | |
965 | return; | |
966 | num = SSL_get0_raw_cipherlist(s, NULL); | |
800fe8e3 | 967 | OPENSSL_assert(num == 2); |
0f113f3e | 968 | rlistlen = SSL_get0_raw_cipherlist(s, &rlist); |
ecf3a1fb | 969 | BIO_puts(bio_err, "Client cipher list: "); |
0f113f3e MC |
970 | for (i = 0; i < rlistlen; i += num, rlist += num) { |
971 | const SSL_CIPHER *c = SSL_CIPHER_find(s, rlist); | |
972 | if (i) | |
ecf3a1fb | 973 | BIO_puts(bio_err, ":"); |
0f113f3e | 974 | if (c) |
ecf3a1fb | 975 | BIO_puts(bio_err, SSL_CIPHER_get_name(c)); |
800fe8e3 | 976 | else if (!memcmp(rlist, scsv_id, num)) |
ecf3a1fb | 977 | BIO_puts(bio_err, "SCSV"); |
0f113f3e MC |
978 | else { |
979 | size_t j; | |
ecf3a1fb | 980 | BIO_puts(bio_err, "0x"); |
0f113f3e | 981 | for (j = 0; j < num; j++) |
ecf3a1fb | 982 | BIO_printf(bio_err, "%02X", rlist[j]); |
0f113f3e MC |
983 | } |
984 | } | |
ecf3a1fb | 985 | BIO_puts(bio_err, "\n"); |
0f113f3e | 986 | } |
2a7cbe77 | 987 | |
c0a445a9 VD |
988 | /* |
989 | * Hex encoder for TLSA RRdata, not ':' delimited. | |
990 | */ | |
991 | static char *hexencode(const unsigned char *data, size_t len) | |
992 | { | |
993 | static const char *hex = "0123456789abcdef"; | |
994 | char *out; | |
995 | char *cp; | |
996 | size_t outlen = 2 * len + 1; | |
997 | int ilen = (int) outlen; | |
998 | ||
999 | if (outlen < len || ilen < 0 || outlen != (size_t)ilen) { | |
1000 | BIO_printf(bio_err, "%s: %" PRIu64 "-byte buffer too large to hexencode\n", | |
1001 | opt_getprog(), (uint64_t)len); | |
1002 | exit(1); | |
1003 | } | |
1004 | cp = out = app_malloc(ilen, "TLSA hex data buffer"); | |
1005 | ||
b5f40eb2 | 1006 | while (len-- > 0) { |
c0a445a9 VD |
1007 | *cp++ = hex[(*data >> 4) & 0x0f]; |
1008 | *cp++ = hex[*data++ & 0x0f]; | |
1009 | } | |
1010 | *cp = '\0'; | |
1011 | return out; | |
1012 | } | |
1013 | ||
1014 | void print_verify_detail(SSL *s, BIO *bio) | |
1015 | { | |
1016 | int mdpth; | |
1017 | EVP_PKEY *mspki; | |
1018 | long verify_err = SSL_get_verify_result(s); | |
1019 | ||
1020 | if (verify_err == X509_V_OK) { | |
1021 | const char *peername = SSL_get0_peername(s); | |
1022 | ||
1023 | BIO_printf(bio, "Verification: OK\n"); | |
1024 | if (peername != NULL) | |
1025 | BIO_printf(bio, "Verified peername: %s\n", peername); | |
1026 | } else { | |
1027 | const char *reason = X509_verify_cert_error_string(verify_err); | |
1028 | ||
1029 | BIO_printf(bio, "Verification error: %s\n", reason); | |
1030 | } | |
1031 | ||
1032 | if ((mdpth = SSL_get0_dane_authority(s, NULL, &mspki)) >= 0) { | |
1033 | uint8_t usage, selector, mtype; | |
1034 | const unsigned char *data = NULL; | |
1035 | size_t dlen = 0; | |
1036 | char *hexdata; | |
1037 | ||
1038 | mdpth = SSL_get0_dane_tlsa(s, &usage, &selector, &mtype, &data, &dlen); | |
1039 | ||
1040 | /* | |
1041 | * The TLSA data field can be quite long when it is a certificate, | |
1042 | * public key or even a SHA2-512 digest. Because the initial octets of | |
1043 | * ASN.1 certificates and public keys contain mostly boilerplate OIDs | |
1044 | * and lengths, we show the last 12 bytes of the data instead, as these | |
1045 | * are more likely to distinguish distinct TLSA records. | |
1046 | */ | |
1047 | #define TLSA_TAIL_SIZE 12 | |
1048 | if (dlen > TLSA_TAIL_SIZE) | |
1049 | hexdata = hexencode(data + dlen - TLSA_TAIL_SIZE, TLSA_TAIL_SIZE); | |
1050 | else | |
1051 | hexdata = hexencode(data, dlen); | |
1052 | BIO_printf(bio, "DANE TLSA %d %d %d %s%s %s at depth %d\n", | |
1053 | usage, selector, mtype, | |
1054 | (dlen > TLSA_TAIL_SIZE) ? "..." : "", hexdata, | |
1055 | (mspki != NULL) ? "signed the certificate" : | |
1056 | mdpth ? "matched TA certificate" : "matched EE certificate", | |
1057 | mdpth); | |
1058 | OPENSSL_free(hexdata); | |
1059 | } | |
1060 | } | |
1061 | ||
ecf3a1fb | 1062 | void print_ssl_summary(SSL *s) |
0f113f3e MC |
1063 | { |
1064 | const SSL_CIPHER *c; | |
1065 | X509 *peer; | |
ecf3a1fb RS |
1066 | /* const char *pnam = SSL_is_server(s) ? "client" : "server"; */ |
1067 | ||
1068 | BIO_printf(bio_err, "Protocol version: %s\n", SSL_get_version(s)); | |
1069 | print_raw_cipherlist(s); | |
0f113f3e | 1070 | c = SSL_get_current_cipher(s); |
ecf3a1fb RS |
1071 | BIO_printf(bio_err, "Ciphersuite: %s\n", SSL_CIPHER_get_name(c)); |
1072 | do_print_sigalgs(bio_err, s, 0); | |
0f113f3e MC |
1073 | peer = SSL_get_peer_certificate(s); |
1074 | if (peer) { | |
1075 | int nid; | |
c0a445a9 | 1076 | |
ecf3a1fb RS |
1077 | BIO_puts(bio_err, "Peer certificate: "); |
1078 | X509_NAME_print_ex(bio_err, X509_get_subject_name(peer), | |
0f113f3e | 1079 | 0, XN_FLAG_ONELINE); |
ecf3a1fb | 1080 | BIO_puts(bio_err, "\n"); |
0f113f3e | 1081 | if (SSL_get_peer_signature_nid(s, &nid)) |
ecf3a1fb | 1082 | BIO_printf(bio_err, "Hash used: %s\n", OBJ_nid2sn(nid)); |
c0a445a9 | 1083 | print_verify_detail(s, bio_err); |
0f113f3e | 1084 | } else |
ecf3a1fb | 1085 | BIO_puts(bio_err, "No peer certificate\n"); |
222561fe | 1086 | X509_free(peer); |
14536c8c | 1087 | #ifndef OPENSSL_NO_EC |
ecf3a1fb | 1088 | ssl_print_point_formats(bio_err, s); |
0f113f3e | 1089 | if (SSL_is_server(s)) |
ecf3a1fb | 1090 | ssl_print_curves(bio_err, s, 1); |
0f113f3e | 1091 | else |
ecf3a1fb | 1092 | ssl_print_tmp_key(bio_err, s); |
14536c8c | 1093 | #else |
0f113f3e | 1094 | if (!SSL_is_server(s)) |
ecf3a1fb | 1095 | ssl_print_tmp_key(bio_err, s); |
14536c8c | 1096 | #endif |
0f113f3e | 1097 | } |
2a7cbe77 | 1098 | |
7e1b7485 | 1099 | int config_ctx(SSL_CONF_CTX *cctx, STACK_OF(OPENSSL_STRING) *str, |
dba31777 | 1100 | SSL_CTX *ctx) |
0f113f3e MC |
1101 | { |
1102 | int i; | |
7e1b7485 | 1103 | |
0f113f3e MC |
1104 | SSL_CONF_CTX_set_ssl_ctx(cctx, ctx); |
1105 | for (i = 0; i < sk_OPENSSL_STRING_num(str); i += 2) { | |
7e1b7485 RS |
1106 | const char *flag = sk_OPENSSL_STRING_value(str, i); |
1107 | const char *arg = sk_OPENSSL_STRING_value(str, i + 1); | |
7e1b7485 RS |
1108 | if (SSL_CONF_cmd(cctx, flag, arg) <= 0) { |
1109 | if (arg) | |
1110 | BIO_printf(bio_err, "Error with command: \"%s %s\"\n", | |
1111 | flag, arg); | |
1112 | else | |
1113 | BIO_printf(bio_err, "Error with command: \"%s\"\n", flag); | |
1114 | ERR_print_errors(bio_err); | |
0f113f3e MC |
1115 | return 0; |
1116 | } | |
1117 | } | |
0f113f3e | 1118 | if (!SSL_CONF_CTX_finish(cctx)) { |
7e1b7485 RS |
1119 | BIO_puts(bio_err, "Error finishing context\n"); |
1120 | ERR_print_errors(bio_err); | |
0f113f3e MC |
1121 | return 0; |
1122 | } | |
1123 | return 1; | |
1124 | } | |
a5afc0a8 | 1125 | |
fdb78f3d | 1126 | static int add_crls_store(X509_STORE *st, STACK_OF(X509_CRL) *crls) |
0f113f3e MC |
1127 | { |
1128 | X509_CRL *crl; | |
1129 | int i; | |
1130 | for (i = 0; i < sk_X509_CRL_num(crls); i++) { | |
1131 | crl = sk_X509_CRL_value(crls, i); | |
1132 | X509_STORE_add_crl(st, crl); | |
1133 | } | |
1134 | return 1; | |
1135 | } | |
fdb78f3d | 1136 | |
0090a686 | 1137 | int ssl_ctx_add_crls(SSL_CTX *ctx, STACK_OF(X509_CRL) *crls, int crl_download) |
0f113f3e MC |
1138 | { |
1139 | X509_STORE *st; | |
1140 | st = SSL_CTX_get_cert_store(ctx); | |
1141 | add_crls_store(st, crls); | |
1142 | if (crl_download) | |
1143 | store_setup_crl_download(st); | |
1144 | return 1; | |
1145 | } | |
fdb78f3d | 1146 | |
a5afc0a8 | 1147 | int ssl_load_stores(SSL_CTX *ctx, |
0f113f3e MC |
1148 | const char *vfyCApath, const char *vfyCAfile, |
1149 | const char *chCApath, const char *chCAfile, | |
1150 | STACK_OF(X509_CRL) *crls, int crl_download) | |
1151 | { | |
1152 | X509_STORE *vfy = NULL, *ch = NULL; | |
1153 | int rv = 0; | |
96487cdd | 1154 | if (vfyCApath != NULL || vfyCAfile != NULL) { |
0f113f3e | 1155 | vfy = X509_STORE_new(); |
96487cdd MC |
1156 | if (vfy == NULL) |
1157 | goto err; | |
0f113f3e MC |
1158 | if (!X509_STORE_load_locations(vfy, vfyCAfile, vfyCApath)) |
1159 | goto err; | |
1160 | add_crls_store(vfy, crls); | |
1161 | SSL_CTX_set1_verify_cert_store(ctx, vfy); | |
1162 | if (crl_download) | |
1163 | store_setup_crl_download(vfy); | |
1164 | } | |
96487cdd | 1165 | if (chCApath != NULL || chCAfile != NULL) { |
0f113f3e | 1166 | ch = X509_STORE_new(); |
96487cdd MC |
1167 | if (ch == NULL) |
1168 | goto err; | |
0f113f3e MC |
1169 | if (!X509_STORE_load_locations(ch, chCAfile, chCApath)) |
1170 | goto err; | |
1171 | SSL_CTX_set1_chain_cert_store(ctx, ch); | |
1172 | } | |
1173 | rv = 1; | |
1174 | err: | |
222561fe RS |
1175 | X509_STORE_free(vfy); |
1176 | X509_STORE_free(ch); | |
0f113f3e MC |
1177 | return rv; |
1178 | } | |
e03c5b59 DSH |
1179 | |
1180 | /* Verbose print out of security callback */ | |
1181 | ||
0f113f3e MC |
1182 | typedef struct { |
1183 | BIO *out; | |
1184 | int verbose; | |
e4646a89 | 1185 | int (*old_cb) (const SSL *s, const SSL_CTX *ctx, int op, int bits, int nid, |
0f113f3e MC |
1186 | void *other, void *ex); |
1187 | } security_debug_ex; | |
e03c5b59 | 1188 | |
3e8e688f RS |
1189 | static STRINT_PAIR callback_types[] = { |
1190 | {"Supported Ciphersuite", SSL_SECOP_CIPHER_SUPPORTED}, | |
1191 | {"Shared Ciphersuite", SSL_SECOP_CIPHER_SHARED}, | |
1192 | {"Check Ciphersuite", SSL_SECOP_CIPHER_CHECK}, | |
1193 | #ifndef OPENSSL_NO_DH | |
1194 | {"Temp DH key bits", SSL_SECOP_TMP_DH}, | |
1195 | #endif | |
1196 | {"Supported Curve", SSL_SECOP_CURVE_SUPPORTED}, | |
1197 | {"Shared Curve", SSL_SECOP_CURVE_SHARED}, | |
1198 | {"Check Curve", SSL_SECOP_CURVE_CHECK}, | |
1199 | {"Supported Signature Algorithm digest", SSL_SECOP_SIGALG_SUPPORTED}, | |
1200 | {"Shared Signature Algorithm digest", SSL_SECOP_SIGALG_SHARED}, | |
1201 | {"Check Signature Algorithm digest", SSL_SECOP_SIGALG_CHECK}, | |
1202 | {"Signature Algorithm mask", SSL_SECOP_SIGALG_MASK}, | |
1203 | {"Certificate chain EE key", SSL_SECOP_EE_KEY}, | |
1204 | {"Certificate chain CA key", SSL_SECOP_CA_KEY}, | |
1205 | {"Peer Chain EE key", SSL_SECOP_PEER_EE_KEY}, | |
1206 | {"Peer Chain CA key", SSL_SECOP_PEER_CA_KEY}, | |
1207 | {"Certificate chain CA digest", SSL_SECOP_CA_MD}, | |
1208 | {"Peer chain CA digest", SSL_SECOP_PEER_CA_MD}, | |
1209 | {"SSL compression", SSL_SECOP_COMPRESSION}, | |
1210 | {"Session ticket", SSL_SECOP_TICKET}, | |
1211 | {NULL} | |
1212 | }; | |
1213 | ||
e4646a89 | 1214 | static int security_callback_debug(const SSL *s, const SSL_CTX *ctx, |
0f113f3e MC |
1215 | int op, int bits, int nid, |
1216 | void *other, void *ex) | |
1217 | { | |
1218 | security_debug_ex *sdb = ex; | |
1219 | int rv, show_bits = 1, cert_md = 0; | |
1220 | const char *nm; | |
1221 | rv = sdb->old_cb(s, ctx, op, bits, nid, other, ex); | |
1222 | if (rv == 1 && sdb->verbose < 2) | |
1223 | return 1; | |
1224 | BIO_puts(sdb->out, "Security callback: "); | |
1225 | ||
3e8e688f | 1226 | nm = lookup(op, callback_types, NULL); |
0f113f3e | 1227 | switch (op) { |
0f113f3e | 1228 | case SSL_SECOP_TICKET: |
0f113f3e | 1229 | case SSL_SECOP_COMPRESSION: |
0f113f3e MC |
1230 | show_bits = 0; |
1231 | nm = NULL; | |
1232 | break; | |
0f113f3e | 1233 | case SSL_SECOP_VERSION: |
3e8e688f | 1234 | BIO_printf(sdb->out, "Version=%s", lookup(nid, ssl_versions, "???")); |
0f113f3e MC |
1235 | show_bits = 0; |
1236 | nm = NULL; | |
1237 | break; | |
0f113f3e | 1238 | case SSL_SECOP_CA_MD: |
0f113f3e MC |
1239 | case SSL_SECOP_PEER_CA_MD: |
1240 | cert_md = 1; | |
0f113f3e | 1241 | break; |
0f113f3e MC |
1242 | } |
1243 | if (nm) | |
1244 | BIO_printf(sdb->out, "%s=", nm); | |
1245 | ||
1246 | switch (op & SSL_SECOP_OTHER_TYPE) { | |
1247 | ||
1248 | case SSL_SECOP_OTHER_CIPHER: | |
1249 | BIO_puts(sdb->out, SSL_CIPHER_get_name(other)); | |
1250 | break; | |
e03c5b59 | 1251 | |
fd86c2b1 | 1252 | #ifndef OPENSSL_NO_EC |
0f113f3e MC |
1253 | case SSL_SECOP_OTHER_CURVE: |
1254 | { | |
1255 | const char *cname; | |
1256 | cname = EC_curve_nid2nist(nid); | |
1257 | if (cname == NULL) | |
1258 | cname = OBJ_nid2sn(nid); | |
1259 | BIO_puts(sdb->out, cname); | |
1260 | } | |
1261 | break; | |
fd86c2b1 | 1262 | #endif |
37f3a3b3 | 1263 | #ifndef OPENSSL_NO_DH |
0f113f3e MC |
1264 | case SSL_SECOP_OTHER_DH: |
1265 | { | |
1266 | DH *dh = other; | |
0aeddcfa | 1267 | BIO_printf(sdb->out, "%d", DH_bits(dh)); |
0f113f3e MC |
1268 | break; |
1269 | } | |
37f3a3b3 | 1270 | #endif |
0f113f3e MC |
1271 | case SSL_SECOP_OTHER_CERT: |
1272 | { | |
1273 | if (cert_md) { | |
1274 | int sig_nid = X509_get_signature_nid(other); | |
1275 | BIO_puts(sdb->out, OBJ_nid2sn(sig_nid)); | |
1276 | } else { | |
c01ff880 | 1277 | EVP_PKEY *pkey = X509_get0_pubkey(other); |
0f113f3e MC |
1278 | const char *algname = ""; |
1279 | EVP_PKEY_asn1_get0_info(NULL, NULL, NULL, NULL, | |
1280 | &algname, EVP_PKEY_get0_asn1(pkey)); | |
1281 | BIO_printf(sdb->out, "%s, bits=%d", | |
1282 | algname, EVP_PKEY_bits(pkey)); | |
0f113f3e MC |
1283 | } |
1284 | break; | |
1285 | } | |
1286 | case SSL_SECOP_OTHER_SIGALG: | |
1287 | { | |
1288 | const unsigned char *salg = other; | |
1289 | const char *sname = NULL; | |
1290 | switch (salg[1]) { | |
1291 | case TLSEXT_signature_anonymous: | |
1292 | sname = "anonymous"; | |
1293 | break; | |
1294 | case TLSEXT_signature_rsa: | |
1295 | sname = "RSA"; | |
1296 | break; | |
1297 | case TLSEXT_signature_dsa: | |
1298 | sname = "DSA"; | |
1299 | break; | |
1300 | case TLSEXT_signature_ecdsa: | |
1301 | sname = "ECDSA"; | |
1302 | break; | |
1303 | } | |
1304 | ||
1305 | BIO_puts(sdb->out, OBJ_nid2sn(nid)); | |
1306 | if (sname) | |
1307 | BIO_printf(sdb->out, ", algorithm=%s", sname); | |
1308 | else | |
1309 | BIO_printf(sdb->out, ", algid=%d", salg[1]); | |
1310 | break; | |
1311 | } | |
1312 | ||
1313 | } | |
1314 | ||
1315 | if (show_bits) | |
1316 | BIO_printf(sdb->out, ", security bits=%d", bits); | |
1317 | BIO_printf(sdb->out, ": %s\n", rv ? "yes" : "no"); | |
1318 | return rv; | |
1319 | } | |
e03c5b59 | 1320 | |
ecf3a1fb | 1321 | void ssl_ctx_security_debug(SSL_CTX *ctx, int verbose) |
0f113f3e MC |
1322 | { |
1323 | static security_debug_ex sdb; | |
ecf3a1fb RS |
1324 | |
1325 | sdb.out = bio_err; | |
0f113f3e MC |
1326 | sdb.verbose = verbose; |
1327 | sdb.old_cb = SSL_CTX_get_security_callback(ctx); | |
1328 | SSL_CTX_set_security_callback(ctx, security_callback_debug); | |
1329 | SSL_CTX_set0_security_ex_data(ctx, &sdb); | |
1330 | } |