VirtualBox

source: vbox/trunk/src/libs/openssl-3.1.0/apps/lib/s_cb.c@ 99507

最後變更 在這個檔案從99507是 99366,由 vboxsync 提交於 2 年 前

openssl-3.1.0: Applied and adjusted our OpenSSL changes to 3.0.7. bugref:10418
檔案大小: 48.5 KB
行 
1/*
2 * Copyright 1995-2022 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the Apache License 2.0 (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
8 */
9
10/*
11 * callback functions used by s_client, s_server, and s_time,
12 * as well as other common logic for those apps
13 */
14#include <stdio.h>
15#include <stdlib.h>
16#include <string.h> /* for memcpy() and strcmp() */
17#include "apps.h"
18#include <openssl/core_names.h>
19#include <openssl/params.h>
20#include <openssl/err.h>
21#include <openssl/rand.h>
22#include <openssl/x509.h>
23#include <openssl/ssl.h>
24#include <openssl/bn.h>
25#ifndef OPENSSL_NO_DH
26# include <openssl/dh.h>
27#endif
28#include "s_apps.h"
29
30#define COOKIE_SECRET_LENGTH 16
31
32VERIFY_CB_ARGS verify_args = { -1, 0, X509_V_OK, 0 };
33
34#ifndef OPENSSL_NO_SOCK
35static unsigned char cookie_secret[COOKIE_SECRET_LENGTH];
36static int cookie_initialized = 0;
37#endif
38static BIO *bio_keylog = NULL;
39
40static const char *lookup(int val, const STRINT_PAIR* list, const char* def)
41{
42 for ( ; list->name; ++list)
43 if (list->retval == val)
44 return list->name;
45 return def;
46}
47
48int verify_callback(int ok, X509_STORE_CTX *ctx)
49{
50 X509 *err_cert;
51 int err, depth;
52
53 err_cert = X509_STORE_CTX_get_current_cert(ctx);
54 err = X509_STORE_CTX_get_error(ctx);
55 depth = X509_STORE_CTX_get_error_depth(ctx);
56
57 if (!verify_args.quiet || !ok) {
58 BIO_printf(bio_err, "depth=%d ", depth);
59 if (err_cert != NULL) {
60 X509_NAME_print_ex(bio_err,
61 X509_get_subject_name(err_cert),
62 0, get_nameopt());
63 BIO_puts(bio_err, "\n");
64 } else {
65 BIO_puts(bio_err, "<no cert>\n");
66 }
67 }
68 if (!ok) {
69 BIO_printf(bio_err, "verify error:num=%d:%s\n", err,
70 X509_verify_cert_error_string(err));
71 if (verify_args.depth < 0 || verify_args.depth >= depth) {
72 if (!verify_args.return_error)
73 ok = 1;
74 verify_args.error = err;
75 } else {
76 ok = 0;
77 verify_args.error = X509_V_ERR_CERT_CHAIN_TOO_LONG;
78 }
79 }
80 switch (err) {
81 case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT:
82 if (err_cert != NULL) {
83 BIO_puts(bio_err, "issuer= ");
84 X509_NAME_print_ex(bio_err, X509_get_issuer_name(err_cert),
85 0, get_nameopt());
86 BIO_puts(bio_err, "\n");
87 }
88 break;
89 case X509_V_ERR_CERT_NOT_YET_VALID:
90 case X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD:
91 if (err_cert != NULL) {
92 BIO_printf(bio_err, "notBefore=");
93 ASN1_TIME_print(bio_err, X509_get0_notBefore(err_cert));
94 BIO_printf(bio_err, "\n");
95 }
96 break;
97 case X509_V_ERR_CERT_HAS_EXPIRED:
98 case X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD:
99 if (err_cert != NULL) {
100 BIO_printf(bio_err, "notAfter=");
101 ASN1_TIME_print(bio_err, X509_get0_notAfter(err_cert));
102 BIO_printf(bio_err, "\n");
103 }
104 break;
105 case X509_V_ERR_NO_EXPLICIT_POLICY:
106 if (!verify_args.quiet)
107 policies_print(ctx);
108 break;
109 }
110 if (err == X509_V_OK && ok == 2 && !verify_args.quiet)
111 policies_print(ctx);
112 if (ok && !verify_args.quiet)
113 BIO_printf(bio_err, "verify return:%d\n", ok);
114 return ok;
115}
116
117int set_cert_stuff(SSL_CTX *ctx, char *cert_file, char *key_file)
118{
119 if (cert_file != NULL) {
120 if (SSL_CTX_use_certificate_file(ctx, cert_file,
121 SSL_FILETYPE_PEM) <= 0) {
122 BIO_printf(bio_err, "unable to get certificate from '%s'\n",
123 cert_file);
124 ERR_print_errors(bio_err);
125 return 0;
126 }
127 if (key_file == NULL)
128 key_file = cert_file;
129 if (SSL_CTX_use_PrivateKey_file(ctx, key_file, SSL_FILETYPE_PEM) <= 0) {
130 BIO_printf(bio_err, "unable to get private key from '%s'\n",
131 key_file);
132 ERR_print_errors(bio_err);
133 return 0;
134 }
135
136 /*
137 * If we are using DSA, we can copy the parameters from the private
138 * key
139 */
140
141 /*
142 * Now we know that a key and cert have been set against the SSL
143 * context
144 */
145 if (!SSL_CTX_check_private_key(ctx)) {
146 BIO_printf(bio_err,
147 "Private key does not match the certificate public key\n");
148 return 0;
149 }
150 }
151 return 1;
152}
153
154int set_cert_key_stuff(SSL_CTX *ctx, X509 *cert, EVP_PKEY *key,
155 STACK_OF(X509) *chain, int build_chain)
156{
157 int chflags = chain ? SSL_BUILD_CHAIN_FLAG_CHECK : 0;
158
159 if (cert == NULL)
160 return 1;
161 if (SSL_CTX_use_certificate(ctx, cert) <= 0) {
162 BIO_printf(bio_err, "error setting certificate\n");
163 ERR_print_errors(bio_err);
164 return 0;
165 }
166
167 if (SSL_CTX_use_PrivateKey(ctx, key) <= 0) {
168 BIO_printf(bio_err, "error setting private key\n");
169 ERR_print_errors(bio_err);
170 return 0;
171 }
172
173 /*
174 * Now we know that a key and cert have been set against the SSL context
175 */
176 if (!SSL_CTX_check_private_key(ctx)) {
177 BIO_printf(bio_err,
178 "Private key does not match the certificate public key\n");
179 return 0;
180 }
181 if (chain && !SSL_CTX_set1_chain(ctx, chain)) {
182 BIO_printf(bio_err, "error setting certificate chain\n");
183 ERR_print_errors(bio_err);
184 return 0;
185 }
186 if (build_chain && !SSL_CTX_build_cert_chain(ctx, chflags)) {
187 BIO_printf(bio_err, "error building certificate chain\n");
188 ERR_print_errors(bio_err);
189 return 0;
190 }
191 return 1;
192}
193
194static STRINT_PAIR cert_type_list[] = {
195 {"RSA sign", TLS_CT_RSA_SIGN},
196 {"DSA sign", TLS_CT_DSS_SIGN},
197 {"RSA fixed DH", TLS_CT_RSA_FIXED_DH},
198 {"DSS fixed DH", TLS_CT_DSS_FIXED_DH},
199 {"ECDSA sign", TLS_CT_ECDSA_SIGN},
200 {"RSA fixed ECDH", TLS_CT_RSA_FIXED_ECDH},
201 {"ECDSA fixed ECDH", TLS_CT_ECDSA_FIXED_ECDH},
202 {"GOST01 Sign", TLS_CT_GOST01_SIGN},
203 {"GOST12 Sign", TLS_CT_GOST12_IANA_SIGN},
204 {NULL}
205};
206
207static void ssl_print_client_cert_types(BIO *bio, SSL *s)
208{
209 const unsigned char *p;
210 int i;
211 int cert_type_num = SSL_get0_certificate_types(s, &p);
212
213 if (!cert_type_num)
214 return;
215 BIO_puts(bio, "Client Certificate Types: ");
216 for (i = 0; i < cert_type_num; i++) {
217 unsigned char cert_type = p[i];
218 const char *cname = lookup((int)cert_type, cert_type_list, NULL);
219
220 if (i)
221 BIO_puts(bio, ", ");
222 if (cname != NULL)
223 BIO_puts(bio, cname);
224 else
225 BIO_printf(bio, "UNKNOWN (%d),", cert_type);
226 }
227 BIO_puts(bio, "\n");
228}
229
230static const char *get_sigtype(int nid)
231{
232 switch (nid) {
233 case EVP_PKEY_RSA:
234 return "RSA";
235
236 case EVP_PKEY_RSA_PSS:
237 return "RSA-PSS";
238
239 case EVP_PKEY_DSA:
240 return "DSA";
241
242 case EVP_PKEY_EC:
243 return "ECDSA";
244
245 case NID_ED25519:
246 return "Ed25519";
247
248 case NID_ED448:
249 return "Ed448";
250
251 case NID_id_GostR3410_2001:
252 return "gost2001";
253
254 case NID_id_GostR3410_2012_256:
255 return "gost2012_256";
256
257 case NID_id_GostR3410_2012_512:
258 return "gost2012_512";
259
260 default:
261 return NULL;
262 }
263}
264
265static int do_print_sigalgs(BIO *out, SSL *s, int shared)
266{
267 int i, nsig, client;
268
269 client = SSL_is_server(s) ? 0 : 1;
270 if (shared)
271 nsig = SSL_get_shared_sigalgs(s, 0, NULL, NULL, NULL, NULL, NULL);
272 else
273 nsig = SSL_get_sigalgs(s, -1, NULL, NULL, NULL, NULL, NULL);
274 if (nsig == 0)
275 return 1;
276
277 if (shared)
278 BIO_puts(out, "Shared ");
279
280 if (client)
281 BIO_puts(out, "Requested ");
282 BIO_puts(out, "Signature Algorithms: ");
283 for (i = 0; i < nsig; i++) {
284 int hash_nid, sign_nid;
285 unsigned char rhash, rsign;
286 const char *sstr = NULL;
287 if (shared)
288 SSL_get_shared_sigalgs(s, i, &sign_nid, &hash_nid, NULL,
289 &rsign, &rhash);
290 else
291 SSL_get_sigalgs(s, i, &sign_nid, &hash_nid, NULL, &rsign, &rhash);
292 if (i)
293 BIO_puts(out, ":");
294 sstr = get_sigtype(sign_nid);
295 if (sstr)
296 BIO_printf(out, "%s", sstr);
297 else
298 BIO_printf(out, "0x%02X", (int)rsign);
299 if (hash_nid != NID_undef)
300 BIO_printf(out, "+%s", OBJ_nid2sn(hash_nid));
301 else if (sstr == NULL)
302 BIO_printf(out, "+0x%02X", (int)rhash);
303 }
304 BIO_puts(out, "\n");
305 return 1;
306}
307
308int ssl_print_sigalgs(BIO *out, SSL *s)
309{
310 int nid;
311
312 if (!SSL_is_server(s))
313 ssl_print_client_cert_types(out, s);
314 do_print_sigalgs(out, s, 0);
315 do_print_sigalgs(out, s, 1);
316 if (SSL_get_peer_signature_nid(s, &nid) && nid != NID_undef)
317 BIO_printf(out, "Peer signing digest: %s\n", OBJ_nid2sn(nid));
318 if (SSL_get_peer_signature_type_nid(s, &nid))
319 BIO_printf(out, "Peer signature type: %s\n", get_sigtype(nid));
320 return 1;
321}
322
323#ifndef OPENSSL_NO_EC
324int ssl_print_point_formats(BIO *out, SSL *s)
325{
326 int i, nformats;
327 const char *pformats;
328
329 nformats = SSL_get0_ec_point_formats(s, &pformats);
330 if (nformats <= 0)
331 return 1;
332 BIO_puts(out, "Supported Elliptic Curve Point Formats: ");
333 for (i = 0; i < nformats; i++, pformats++) {
334 if (i)
335 BIO_puts(out, ":");
336 switch (*pformats) {
337 case TLSEXT_ECPOINTFORMAT_uncompressed:
338 BIO_puts(out, "uncompressed");
339 break;
340
341 case TLSEXT_ECPOINTFORMAT_ansiX962_compressed_prime:
342 BIO_puts(out, "ansiX962_compressed_prime");
343 break;
344
345 case TLSEXT_ECPOINTFORMAT_ansiX962_compressed_char2:
346 BIO_puts(out, "ansiX962_compressed_char2");
347 break;
348
349 default:
350 BIO_printf(out, "unknown(%d)", (int)*pformats);
351 break;
352
353 }
354 }
355 BIO_puts(out, "\n");
356 return 1;
357}
358
359int ssl_print_groups(BIO *out, SSL *s, int noshared)
360{
361 int i, ngroups, *groups, nid;
362
363 ngroups = SSL_get1_groups(s, NULL);
364 if (ngroups <= 0)
365 return 1;
366 groups = app_malloc(ngroups * sizeof(int), "groups to print");
367 SSL_get1_groups(s, groups);
368
369 BIO_puts(out, "Supported groups: ");
370 for (i = 0; i < ngroups; i++) {
371 if (i)
372 BIO_puts(out, ":");
373 nid = groups[i];
374 BIO_printf(out, "%s", SSL_group_to_name(s, nid));
375 }
376 OPENSSL_free(groups);
377 if (noshared) {
378 BIO_puts(out, "\n");
379 return 1;
380 }
381 BIO_puts(out, "\nShared groups: ");
382 ngroups = SSL_get_shared_group(s, -1);
383 for (i = 0; i < ngroups; i++) {
384 if (i)
385 BIO_puts(out, ":");
386 nid = SSL_get_shared_group(s, i);
387 BIO_printf(out, "%s", SSL_group_to_name(s, nid));
388 }
389 if (ngroups == 0)
390 BIO_puts(out, "NONE");
391 BIO_puts(out, "\n");
392 return 1;
393}
394#endif
395
396int ssl_print_tmp_key(BIO *out, SSL *s)
397{
398 EVP_PKEY *key;
399
400 if (!SSL_get_peer_tmp_key(s, &key))
401 return 1;
402 BIO_puts(out, "Server Temp Key: ");
403 switch (EVP_PKEY_get_id(key)) {
404 case EVP_PKEY_RSA:
405 BIO_printf(out, "RSA, %d bits\n", EVP_PKEY_get_bits(key));
406 break;
407
408 case EVP_PKEY_DH:
409 BIO_printf(out, "DH, %d bits\n", EVP_PKEY_get_bits(key));
410 break;
411#ifndef OPENSSL_NO_EC
412 case EVP_PKEY_EC:
413 {
414 char name[80];
415 size_t name_len;
416
417 if (!EVP_PKEY_get_utf8_string_param(key, OSSL_PKEY_PARAM_GROUP_NAME,
418 name, sizeof(name), &name_len))
419 strcpy(name, "?");
420 BIO_printf(out, "ECDH, %s, %d bits\n", name, EVP_PKEY_get_bits(key));
421 }
422 break;
423#endif
424 default:
425 BIO_printf(out, "%s, %d bits\n", OBJ_nid2sn(EVP_PKEY_get_id(key)),
426 EVP_PKEY_get_bits(key));
427 }
428 EVP_PKEY_free(key);
429 return 1;
430}
431
432long bio_dump_callback(BIO *bio, int cmd, const char *argp, size_t len,
433 int argi, long argl, int ret, size_t *processed)
434{
435 BIO *out;
436
437 out = (BIO *)BIO_get_callback_arg(bio);
438 if (out == NULL)
439 return ret;
440
441 if (cmd == (BIO_CB_READ | BIO_CB_RETURN)) {
442 if (ret > 0 && processed != NULL) {
443 BIO_printf(out, "read from %p [%p] (%zu bytes => %zu (0x%zX))\n",
444 (void *)bio, (void *)argp, len, *processed, *processed);
445 BIO_dump(out, argp, (int)*processed);
446 } else {
447 BIO_printf(out, "read from %p [%p] (%zu bytes => %d)\n",
448 (void *)bio, (void *)argp, len, ret);
449 }
450 } else if (cmd == (BIO_CB_WRITE | BIO_CB_RETURN)) {
451 if (ret > 0 && processed != NULL) {
452 BIO_printf(out, "write to %p [%p] (%zu bytes => %zu (0x%zX))\n",
453 (void *)bio, (void *)argp, len, *processed, *processed);
454 BIO_dump(out, argp, (int)*processed);
455 } else {
456 BIO_printf(out, "write to %p [%p] (%zu bytes => %d)\n",
457 (void *)bio, (void *)argp, len, ret);
458 }
459 }
460 return ret;
461}
462
463void apps_ssl_info_callback(const SSL *s, int where, int ret)
464{
465 const char *str;
466 int w;
467
468 w = where & ~SSL_ST_MASK;
469
470 if (w & SSL_ST_CONNECT)
471 str = "SSL_connect";
472 else if (w & SSL_ST_ACCEPT)
473 str = "SSL_accept";
474 else
475 str = "undefined";
476
477 if (where & SSL_CB_LOOP) {
478 BIO_printf(bio_err, "%s:%s\n", str, SSL_state_string_long(s));
479 } else if (where & SSL_CB_ALERT) {
480 str = (where & SSL_CB_READ) ? "read" : "write";
481 BIO_printf(bio_err, "SSL3 alert %s:%s:%s\n",
482 str,
483 SSL_alert_type_string_long(ret),
484 SSL_alert_desc_string_long(ret));
485 } else if (where & SSL_CB_EXIT) {
486 if (ret == 0)
487 BIO_printf(bio_err, "%s:failed in %s\n",
488 str, SSL_state_string_long(s));
489 else if (ret < 0)
490 BIO_printf(bio_err, "%s:error in %s\n",
491 str, SSL_state_string_long(s));
492 }
493}
494
495static STRINT_PAIR ssl_versions[] = {
496 {"SSL 3.0", SSL3_VERSION},
497 {"TLS 1.0", TLS1_VERSION},
498 {"TLS 1.1", TLS1_1_VERSION},
499 {"TLS 1.2", TLS1_2_VERSION},
500 {"TLS 1.3", TLS1_3_VERSION},
501 {"DTLS 1.0", DTLS1_VERSION},
502 {"DTLS 1.0 (bad)", DTLS1_BAD_VER},
503 {NULL}
504};
505
506static STRINT_PAIR alert_types[] = {
507 {" close_notify", 0},
508 {" end_of_early_data", 1},
509 {" unexpected_message", 10},
510 {" bad_record_mac", 20},
511 {" decryption_failed", 21},
512 {" record_overflow", 22},
513 {" decompression_failure", 30},
514 {" handshake_failure", 40},
515 {" bad_certificate", 42},
516 {" unsupported_certificate", 43},
517 {" certificate_revoked", 44},
518 {" certificate_expired", 45},
519 {" certificate_unknown", 46},
520 {" illegal_parameter", 47},
521 {" unknown_ca", 48},
522 {" access_denied", 49},
523 {" decode_error", 50},
524 {" decrypt_error", 51},
525 {" export_restriction", 60},
526 {" protocol_version", 70},
527 {" insufficient_security", 71},
528 {" internal_error", 80},
529 {" inappropriate_fallback", 86},
530 {" user_canceled", 90},
531 {" no_renegotiation", 100},
532 {" missing_extension", 109},
533 {" unsupported_extension", 110},
534 {" certificate_unobtainable", 111},
535 {" unrecognized_name", 112},
536 {" bad_certificate_status_response", 113},
537 {" bad_certificate_hash_value", 114},
538 {" unknown_psk_identity", 115},
539 {" certificate_required", 116},
540 {NULL}
541};
542
543static STRINT_PAIR handshakes[] = {
544 {", HelloRequest", SSL3_MT_HELLO_REQUEST},
545 {", ClientHello", SSL3_MT_CLIENT_HELLO},
546 {", ServerHello", SSL3_MT_SERVER_HELLO},
547 {", HelloVerifyRequest", DTLS1_MT_HELLO_VERIFY_REQUEST},
548 {", NewSessionTicket", SSL3_MT_NEWSESSION_TICKET},
549 {", EndOfEarlyData", SSL3_MT_END_OF_EARLY_DATA},
550 {", EncryptedExtensions", SSL3_MT_ENCRYPTED_EXTENSIONS},
551 {", Certificate", SSL3_MT_CERTIFICATE},
552 {", ServerKeyExchange", SSL3_MT_SERVER_KEY_EXCHANGE},
553 {", CertificateRequest", SSL3_MT_CERTIFICATE_REQUEST},
554 {", ServerHelloDone", SSL3_MT_SERVER_DONE},
555 {", CertificateVerify", SSL3_MT_CERTIFICATE_VERIFY},
556 {", ClientKeyExchange", SSL3_MT_CLIENT_KEY_EXCHANGE},
557 {", Finished", SSL3_MT_FINISHED},
558 {", CertificateUrl", SSL3_MT_CERTIFICATE_URL},
559 {", CertificateStatus", SSL3_MT_CERTIFICATE_STATUS},
560 {", SupplementalData", SSL3_MT_SUPPLEMENTAL_DATA},
561 {", KeyUpdate", SSL3_MT_KEY_UPDATE},
562#ifndef OPENSSL_NO_NEXTPROTONEG
563 {", NextProto", SSL3_MT_NEXT_PROTO},
564#endif
565 {", MessageHash", SSL3_MT_MESSAGE_HASH},
566 {NULL}
567};
568
569void msg_cb(int write_p, int version, int content_type, const void *buf,
570 size_t len, SSL *ssl, void *arg)
571{
572 BIO *bio = arg;
573 const char *str_write_p = write_p ? ">>>" : "<<<";
574 char tmpbuf[128];
575 const char *str_version, *str_content_type = "", *str_details1 = "", *str_details2 = "";
576 const unsigned char* bp = buf;
577
578 if (version == SSL3_VERSION ||
579 version == TLS1_VERSION ||
580 version == TLS1_1_VERSION ||
581 version == TLS1_2_VERSION ||
582 version == TLS1_3_VERSION ||
583 version == DTLS1_VERSION || version == DTLS1_BAD_VER) {
584 str_version = lookup(version, ssl_versions, "???");
585 switch (content_type) {
586 case SSL3_RT_CHANGE_CIPHER_SPEC:
587 /* type 20 */
588 str_content_type = ", ChangeCipherSpec";
589 break;
590 case SSL3_RT_ALERT:
591 /* type 21 */
592 str_content_type = ", Alert";
593 str_details1 = ", ???";
594 if (len == 2) {
595 switch (bp[0]) {
596 case 1:
597 str_details1 = ", warning";
598 break;
599 case 2:
600 str_details1 = ", fatal";
601 break;
602 }
603 str_details2 = lookup((int)bp[1], alert_types, " ???");
604 }
605 break;
606 case SSL3_RT_HANDSHAKE:
607 /* type 22 */
608 str_content_type = ", Handshake";
609 str_details1 = "???";
610 if (len > 0)
611 str_details1 = lookup((int)bp[0], handshakes, "???");
612 break;
613 case SSL3_RT_APPLICATION_DATA:
614 /* type 23 */
615 str_content_type = ", ApplicationData";
616 break;
617 case SSL3_RT_HEADER:
618 /* type 256 */
619 str_content_type = ", RecordHeader";
620 break;
621 case SSL3_RT_INNER_CONTENT_TYPE:
622 /* type 257 */
623 str_content_type = ", InnerContent";
624 break;
625 default:
626 BIO_snprintf(tmpbuf, sizeof(tmpbuf)-1, ", Unknown (content_type=%d)", content_type);
627 str_content_type = tmpbuf;
628 }
629 } else {
630 BIO_snprintf(tmpbuf, sizeof(tmpbuf)-1, "Not TLS data or unknown version (version=%d, content_type=%d)", version, content_type);
631 str_version = tmpbuf;
632 }
633
634 BIO_printf(bio, "%s %s%s [length %04lx]%s%s\n", str_write_p, str_version,
635 str_content_type, (unsigned long)len, str_details1,
636 str_details2);
637
638 if (len > 0) {
639 size_t num, i;
640
641 BIO_printf(bio, " ");
642 num = len;
643 for (i = 0; i < num; i++) {
644 if (i % 16 == 0 && i > 0)
645 BIO_printf(bio, "\n ");
646 BIO_printf(bio, " %02x", ((const unsigned char *)buf)[i]);
647 }
648 if (i < len)
649 BIO_printf(bio, " ...");
650 BIO_printf(bio, "\n");
651 }
652 (void)BIO_flush(bio);
653}
654
655static STRINT_PAIR tlsext_types[] = {
656 {"server name", TLSEXT_TYPE_server_name},
657 {"max fragment length", TLSEXT_TYPE_max_fragment_length},
658 {"client certificate URL", TLSEXT_TYPE_client_certificate_url},
659 {"trusted CA keys", TLSEXT_TYPE_trusted_ca_keys},
660 {"truncated HMAC", TLSEXT_TYPE_truncated_hmac},
661 {"status request", TLSEXT_TYPE_status_request},
662 {"user mapping", TLSEXT_TYPE_user_mapping},
663 {"client authz", TLSEXT_TYPE_client_authz},
664 {"server authz", TLSEXT_TYPE_server_authz},
665 {"cert type", TLSEXT_TYPE_cert_type},
666 {"supported_groups", TLSEXT_TYPE_supported_groups},
667 {"EC point formats", TLSEXT_TYPE_ec_point_formats},
668 {"SRP", TLSEXT_TYPE_srp},
669 {"signature algorithms", TLSEXT_TYPE_signature_algorithms},
670 {"use SRTP", TLSEXT_TYPE_use_srtp},
671 {"session ticket", TLSEXT_TYPE_session_ticket},
672 {"renegotiation info", TLSEXT_TYPE_renegotiate},
673 {"signed certificate timestamps", TLSEXT_TYPE_signed_certificate_timestamp},
674 {"TLS padding", TLSEXT_TYPE_padding},
675#ifdef TLSEXT_TYPE_next_proto_neg
676 {"next protocol", TLSEXT_TYPE_next_proto_neg},
677#endif
678#ifdef TLSEXT_TYPE_encrypt_then_mac
679 {"encrypt-then-mac", TLSEXT_TYPE_encrypt_then_mac},
680#endif
681#ifdef TLSEXT_TYPE_application_layer_protocol_negotiation
682 {"application layer protocol negotiation",
683 TLSEXT_TYPE_application_layer_protocol_negotiation},
684#endif
685#ifdef TLSEXT_TYPE_extended_master_secret
686 {"extended master secret", TLSEXT_TYPE_extended_master_secret},
687#endif
688 {"key share", TLSEXT_TYPE_key_share},
689 {"supported versions", TLSEXT_TYPE_supported_versions},
690 {"psk", TLSEXT_TYPE_psk},
691 {"psk kex modes", TLSEXT_TYPE_psk_kex_modes},
692 {"certificate authorities", TLSEXT_TYPE_certificate_authorities},
693 {"post handshake auth", TLSEXT_TYPE_post_handshake_auth},
694 {NULL}
695};
696
697/* from rfc8446 4.2.3. + gost (https://tools.ietf.org/id/draft-smyshlyaev-tls12-gost-suites-04.html) */
698static STRINT_PAIR signature_tls13_scheme_list[] = {
699 {"rsa_pkcs1_sha1", 0x0201 /* TLSEXT_SIGALG_rsa_pkcs1_sha1 */},
700 {"ecdsa_sha1", 0x0203 /* TLSEXT_SIGALG_ecdsa_sha1 */},
701/* {"rsa_pkcs1_sha224", 0x0301 TLSEXT_SIGALG_rsa_pkcs1_sha224}, not in rfc8446 */
702/* {"ecdsa_sha224", 0x0303 TLSEXT_SIGALG_ecdsa_sha224} not in rfc8446 */
703 {"rsa_pkcs1_sha256", 0x0401 /* TLSEXT_SIGALG_rsa_pkcs1_sha256 */},
704 {"ecdsa_secp256r1_sha256", 0x0403 /* TLSEXT_SIGALG_ecdsa_secp256r1_sha256 */},
705 {"rsa_pkcs1_sha384", 0x0501 /* TLSEXT_SIGALG_rsa_pkcs1_sha384 */},
706 {"ecdsa_secp384r1_sha384", 0x0503 /* TLSEXT_SIGALG_ecdsa_secp384r1_sha384 */},
707 {"rsa_pkcs1_sha512", 0x0601 /* TLSEXT_SIGALG_rsa_pkcs1_sha512 */},
708 {"ecdsa_secp521r1_sha512", 0x0603 /* TLSEXT_SIGALG_ecdsa_secp521r1_sha512 */},
709 {"rsa_pss_rsae_sha256", 0x0804 /* TLSEXT_SIGALG_rsa_pss_rsae_sha256 */},
710 {"rsa_pss_rsae_sha384", 0x0805 /* TLSEXT_SIGALG_rsa_pss_rsae_sha384 */},
711 {"rsa_pss_rsae_sha512", 0x0806 /* TLSEXT_SIGALG_rsa_pss_rsae_sha512 */},
712 {"ed25519", 0x0807 /* TLSEXT_SIGALG_ed25519 */},
713 {"ed448", 0x0808 /* TLSEXT_SIGALG_ed448 */},
714 {"rsa_pss_pss_sha256", 0x0809 /* TLSEXT_SIGALG_rsa_pss_pss_sha256 */},
715 {"rsa_pss_pss_sha384", 0x080a /* TLSEXT_SIGALG_rsa_pss_pss_sha384 */},
716 {"rsa_pss_pss_sha512", 0x080b /* TLSEXT_SIGALG_rsa_pss_pss_sha512 */},
717 {"gostr34102001", 0xeded /* TLSEXT_SIGALG_gostr34102001_gostr3411 */},
718 {"gostr34102012_256", 0xeeee /* TLSEXT_SIGALG_gostr34102012_256_gostr34112012_256 */},
719 {"gostr34102012_512", 0xefef /* TLSEXT_SIGALG_gostr34102012_512_gostr34112012_512 */},
720 {NULL}
721};
722
723/* from rfc5246 7.4.1.4.1. */
724static STRINT_PAIR signature_tls12_alg_list[] = {
725 {"anonymous", TLSEXT_signature_anonymous /* 0 */},
726 {"RSA", TLSEXT_signature_rsa /* 1 */},
727 {"DSA", TLSEXT_signature_dsa /* 2 */},
728 {"ECDSA", TLSEXT_signature_ecdsa /* 3 */},
729 {NULL}
730};
731
732/* from rfc5246 7.4.1.4.1. */
733static STRINT_PAIR signature_tls12_hash_list[] = {
734 {"none", TLSEXT_hash_none /* 0 */},
735 {"MD5", TLSEXT_hash_md5 /* 1 */},
736 {"SHA1", TLSEXT_hash_sha1 /* 2 */},
737 {"SHA224", TLSEXT_hash_sha224 /* 3 */},
738 {"SHA256", TLSEXT_hash_sha256 /* 4 */},
739 {"SHA384", TLSEXT_hash_sha384 /* 5 */},
740 {"SHA512", TLSEXT_hash_sha512 /* 6 */},
741 {NULL}
742};
743
744void tlsext_cb(SSL *s, int client_server, int type,
745 const unsigned char *data, int len, void *arg)
746{
747 BIO *bio = arg;
748 const char *extname = lookup(type, tlsext_types, "unknown");
749
750 BIO_printf(bio, "TLS %s extension \"%s\" (id=%d), len=%d\n",
751 client_server ? "server" : "client", extname, type, len);
752 BIO_dump(bio, (const char *)data, len);
753 (void)BIO_flush(bio);
754}
755
756#ifndef OPENSSL_NO_SOCK
757int generate_stateless_cookie_callback(SSL *ssl, unsigned char *cookie,
758 size_t *cookie_len)
759{
760 unsigned char *buffer = NULL;
761 size_t length = 0;
762 unsigned short port;
763 BIO_ADDR *lpeer = NULL, *peer = NULL;
764 int res = 0;
765
766 /* Initialize a random secret */
767 if (!cookie_initialized) {
768 if (RAND_bytes(cookie_secret, COOKIE_SECRET_LENGTH) <= 0) {
769 BIO_printf(bio_err, "error setting random cookie secret\n");
770 return 0;
771 }
772 cookie_initialized = 1;
773 }
774
775 if (SSL_is_dtls(ssl)) {
776 lpeer = peer = BIO_ADDR_new();
777 if (peer == NULL) {
778 BIO_printf(bio_err, "memory full\n");
779 return 0;
780 }
781
782 /* Read peer information */
783 (void)BIO_dgram_get_peer(SSL_get_rbio(ssl), peer);
784 } else {
785 peer = ourpeer;
786 }
787
788 /* Create buffer with peer's address and port */
789 if (!BIO_ADDR_rawaddress(peer, NULL, &length)) {
790 BIO_printf(bio_err, "Failed getting peer address\n");
791 BIO_ADDR_free(lpeer);
792 return 0;
793 }
794 OPENSSL_assert(length != 0);
795 port = BIO_ADDR_rawport(peer);
796 length += sizeof(port);
797 buffer = app_malloc(length, "cookie generate buffer");
798
799 memcpy(buffer, &port, sizeof(port));
800 BIO_ADDR_rawaddress(peer, buffer + sizeof(port), NULL);
801
802 if (EVP_Q_mac(NULL, "HMAC", NULL, "SHA1", NULL,
803 cookie_secret, COOKIE_SECRET_LENGTH, buffer, length,
804 cookie, DTLS1_COOKIE_LENGTH, cookie_len) == NULL) {
805 BIO_printf(bio_err,
806 "Error calculating HMAC-SHA1 of buffer with secret\n");
807 goto end;
808 }
809 res = 1;
810end:
811 OPENSSL_free(buffer);
812 BIO_ADDR_free(lpeer);
813
814 return res;
815}
816
817int verify_stateless_cookie_callback(SSL *ssl, const unsigned char *cookie,
818 size_t cookie_len)
819{
820 unsigned char result[EVP_MAX_MD_SIZE];
821 size_t resultlength;
822
823 /* Note: we check cookie_initialized because if it's not,
824 * it cannot be valid */
825 if (cookie_initialized
826 && generate_stateless_cookie_callback(ssl, result, &resultlength)
827 && cookie_len == resultlength
828 && memcmp(result, cookie, resultlength) == 0)
829 return 1;
830
831 return 0;
832}
833
834int generate_cookie_callback(SSL *ssl, unsigned char *cookie,
835 unsigned int *cookie_len)
836{
837 size_t temp = 0;
838 int res = generate_stateless_cookie_callback(ssl, cookie, &temp);
839
840 if (res != 0)
841 *cookie_len = (unsigned int)temp;
842 return res;
843}
844
845int verify_cookie_callback(SSL *ssl, const unsigned char *cookie,
846 unsigned int cookie_len)
847{
848 return verify_stateless_cookie_callback(ssl, cookie, cookie_len);
849}
850
851#endif
852
853/*
854 * Example of extended certificate handling. Where the standard support of
855 * one certificate per algorithm is not sufficient an application can decide
856 * which certificate(s) to use at runtime based on whatever criteria it deems
857 * appropriate.
858 */
859
860/* Linked list of certificates, keys and chains */
861struct ssl_excert_st {
862 int certform;
863 const char *certfile;
864 int keyform;
865 const char *keyfile;
866 const char *chainfile;
867 X509 *cert;
868 EVP_PKEY *key;
869 STACK_OF(X509) *chain;
870 int build_chain;
871 struct ssl_excert_st *next, *prev;
872};
873
874static STRINT_PAIR chain_flags[] = {
875 {"Overall Validity", CERT_PKEY_VALID},
876 {"Sign with EE key", CERT_PKEY_SIGN},
877 {"EE signature", CERT_PKEY_EE_SIGNATURE},
878 {"CA signature", CERT_PKEY_CA_SIGNATURE},
879 {"EE key parameters", CERT_PKEY_EE_PARAM},
880 {"CA key parameters", CERT_PKEY_CA_PARAM},
881 {"Explicitly sign with EE key", CERT_PKEY_EXPLICIT_SIGN},
882 {"Issuer Name", CERT_PKEY_ISSUER_NAME},
883 {"Certificate Type", CERT_PKEY_CERT_TYPE},
884 {NULL}
885};
886
887static void print_chain_flags(SSL *s, int flags)
888{
889 STRINT_PAIR *pp;
890
891 for (pp = chain_flags; pp->name; ++pp)
892 BIO_printf(bio_err, "\t%s: %s\n",
893 pp->name,
894 (flags & pp->retval) ? "OK" : "NOT OK");
895 BIO_printf(bio_err, "\tSuite B: ");
896 if (SSL_set_cert_flags(s, 0) & SSL_CERT_FLAG_SUITEB_128_LOS)
897 BIO_puts(bio_err, flags & CERT_PKEY_SUITEB ? "OK\n" : "NOT OK\n");
898 else
899 BIO_printf(bio_err, "not tested\n");
900}
901
902/*
903 * Very basic selection callback: just use any certificate chain reported as
904 * valid. More sophisticated could prioritise according to local policy.
905 */
906static int set_cert_cb(SSL *ssl, void *arg)
907{
908 int i, rv;
909 SSL_EXCERT *exc = arg;
910#ifdef CERT_CB_TEST_RETRY
911 static int retry_cnt;
912
913 if (retry_cnt < 5) {
914 retry_cnt++;
915 BIO_printf(bio_err,
916 "Certificate callback retry test: count %d\n",
917 retry_cnt);
918 return -1;
919 }
920#endif
921 SSL_certs_clear(ssl);
922
923 if (exc == NULL)
924 return 1;
925
926 /*
927 * Go to end of list and traverse backwards since we prepend newer
928 * entries this retains the original order.
929 */
930 while (exc->next != NULL)
931 exc = exc->next;
932
933 i = 0;
934
935 while (exc != NULL) {
936 i++;
937 rv = SSL_check_chain(ssl, exc->cert, exc->key, exc->chain);
938 BIO_printf(bio_err, "Checking cert chain %d:\nSubject: ", i);
939 X509_NAME_print_ex(bio_err, X509_get_subject_name(exc->cert), 0,
940 get_nameopt());
941 BIO_puts(bio_err, "\n");
942 print_chain_flags(ssl, rv);
943 if (rv & CERT_PKEY_VALID) {
944 if (!SSL_use_certificate(ssl, exc->cert)
945 || !SSL_use_PrivateKey(ssl, exc->key)) {
946 return 0;
947 }
948 /*
949 * NB: we wouldn't normally do this as it is not efficient
950 * building chains on each connection better to cache the chain
951 * in advance.
952 */
953 if (exc->build_chain) {
954 if (!SSL_build_cert_chain(ssl, 0))
955 return 0;
956 } else if (exc->chain != NULL) {
957 if (!SSL_set1_chain(ssl, exc->chain))
958 return 0;
959 }
960 }
961 exc = exc->prev;
962 }
963 return 1;
964}
965
966void ssl_ctx_set_excert(SSL_CTX *ctx, SSL_EXCERT *exc)
967{
968 SSL_CTX_set_cert_cb(ctx, set_cert_cb, exc);
969}
970
971static int ssl_excert_prepend(SSL_EXCERT **pexc)
972{
973 SSL_EXCERT *exc = app_malloc(sizeof(*exc), "prepend cert");
974
975 memset(exc, 0, sizeof(*exc));
976
977 exc->next = *pexc;
978 *pexc = exc;
979
980 if (exc->next) {
981 exc->certform = exc->next->certform;
982 exc->keyform = exc->next->keyform;
983 exc->next->prev = exc;
984 } else {
985 exc->certform = FORMAT_PEM;
986 exc->keyform = FORMAT_PEM;
987 }
988 return 1;
989
990}
991
992void ssl_excert_free(SSL_EXCERT *exc)
993{
994 SSL_EXCERT *curr;
995
996 if (exc == NULL)
997 return;
998 while (exc) {
999 X509_free(exc->cert);
1000 EVP_PKEY_free(exc->key);
1001 sk_X509_pop_free(exc->chain, X509_free);
1002 curr = exc;
1003 exc = exc->next;
1004 OPENSSL_free(curr);
1005 }
1006}
1007
1008int load_excert(SSL_EXCERT **pexc)
1009{
1010 SSL_EXCERT *exc = *pexc;
1011
1012 if (exc == NULL)
1013 return 1;
1014 /* If nothing in list, free and set to NULL */
1015 if (exc->certfile == NULL && exc->next == NULL) {
1016 ssl_excert_free(exc);
1017 *pexc = NULL;
1018 return 1;
1019 }
1020 for (; exc; exc = exc->next) {
1021 if (exc->certfile == NULL) {
1022 BIO_printf(bio_err, "Missing filename\n");
1023 return 0;
1024 }
1025 exc->cert = load_cert(exc->certfile, exc->certform,
1026 "Server Certificate");
1027 if (exc->cert == NULL)
1028 return 0;
1029 if (exc->keyfile != NULL) {
1030 exc->key = load_key(exc->keyfile, exc->keyform,
1031 0, NULL, NULL, "server key");
1032 } else {
1033 exc->key = load_key(exc->certfile, exc->certform,
1034 0, NULL, NULL, "server key");
1035 }
1036 if (exc->key == NULL)
1037 return 0;
1038 if (exc->chainfile != NULL) {
1039 if (!load_certs(exc->chainfile, 0, &exc->chain, NULL, "server chain"))
1040 return 0;
1041 }
1042 }
1043 return 1;
1044}
1045
1046enum range { OPT_X_ENUM };
1047
1048int args_excert(int opt, SSL_EXCERT **pexc)
1049{
1050 SSL_EXCERT *exc = *pexc;
1051
1052 assert(opt > OPT_X__FIRST);
1053 assert(opt < OPT_X__LAST);
1054
1055 if (exc == NULL) {
1056 if (!ssl_excert_prepend(&exc)) {
1057 BIO_printf(bio_err, " %s: Error initialising xcert\n",
1058 opt_getprog());
1059 goto err;
1060 }
1061 *pexc = exc;
1062 }
1063
1064 switch ((enum range)opt) {
1065 case OPT_X__FIRST:
1066 case OPT_X__LAST:
1067 return 0;
1068 case OPT_X_CERT:
1069 if (exc->certfile != NULL && !ssl_excert_prepend(&exc)) {
1070 BIO_printf(bio_err, "%s: Error adding xcert\n", opt_getprog());
1071 goto err;
1072 }
1073 *pexc = exc;
1074 exc->certfile = opt_arg();
1075 break;
1076 case OPT_X_KEY:
1077 if (exc->keyfile != NULL) {
1078 BIO_printf(bio_err, "%s: Key already specified\n", opt_getprog());
1079 goto err;
1080 }
1081 exc->keyfile = opt_arg();
1082 break;
1083 case OPT_X_CHAIN:
1084 if (exc->chainfile != NULL) {
1085 BIO_printf(bio_err, "%s: Chain already specified\n",
1086 opt_getprog());
1087 goto err;
1088 }
1089 exc->chainfile = opt_arg();
1090 break;
1091 case OPT_X_CHAIN_BUILD:
1092 exc->build_chain = 1;
1093 break;
1094 case OPT_X_CERTFORM:
1095 if (!opt_format(opt_arg(), OPT_FMT_ANY, &exc->certform))
1096 return 0;
1097 break;
1098 case OPT_X_KEYFORM:
1099 if (!opt_format(opt_arg(), OPT_FMT_ANY, &exc->keyform))
1100 return 0;
1101 break;
1102 }
1103 return 1;
1104
1105 err:
1106 ERR_print_errors(bio_err);
1107 ssl_excert_free(exc);
1108 *pexc = NULL;
1109 return 0;
1110}
1111
1112static void print_raw_cipherlist(SSL *s)
1113{
1114 const unsigned char *rlist;
1115 static const unsigned char scsv_id[] = { 0, 0xFF };
1116 size_t i, rlistlen, num;
1117
1118 if (!SSL_is_server(s))
1119 return;
1120 num = SSL_get0_raw_cipherlist(s, NULL);
1121 OPENSSL_assert(num == 2);
1122 rlistlen = SSL_get0_raw_cipherlist(s, &rlist);
1123 BIO_puts(bio_err, "Client cipher list: ");
1124 for (i = 0; i < rlistlen; i += num, rlist += num) {
1125 const SSL_CIPHER *c = SSL_CIPHER_find(s, rlist);
1126 if (i)
1127 BIO_puts(bio_err, ":");
1128 if (c != NULL) {
1129 BIO_puts(bio_err, SSL_CIPHER_get_name(c));
1130 } else if (memcmp(rlist, scsv_id, num) == 0) {
1131 BIO_puts(bio_err, "SCSV");
1132 } else {
1133 size_t j;
1134 BIO_puts(bio_err, "0x");
1135 for (j = 0; j < num; j++)
1136 BIO_printf(bio_err, "%02X", rlist[j]);
1137 }
1138 }
1139 BIO_puts(bio_err, "\n");
1140}
1141
1142/*
1143 * Hex encoder for TLSA RRdata, not ':' delimited.
1144 */
1145static char *hexencode(const unsigned char *data, size_t len)
1146{
1147 static const char *hex = "0123456789abcdef";
1148 char *out;
1149 char *cp;
1150 size_t outlen = 2 * len + 1;
1151 int ilen = (int) outlen;
1152
1153 if (outlen < len || ilen < 0 || outlen != (size_t)ilen) {
1154 BIO_printf(bio_err, "%s: %zu-byte buffer too large to hexencode\n",
1155 opt_getprog(), len);
1156 exit(1);
1157 }
1158 cp = out = app_malloc(ilen, "TLSA hex data buffer");
1159
1160 while (len-- > 0) {
1161 *cp++ = hex[(*data >> 4) & 0x0f];
1162 *cp++ = hex[*data++ & 0x0f];
1163 }
1164 *cp = '\0';
1165 return out;
1166}
1167
1168void print_verify_detail(SSL *s, BIO *bio)
1169{
1170 int mdpth;
1171 EVP_PKEY *mspki;
1172 long verify_err = SSL_get_verify_result(s);
1173
1174 if (verify_err == X509_V_OK) {
1175 const char *peername = SSL_get0_peername(s);
1176
1177 BIO_printf(bio, "Verification: OK\n");
1178 if (peername != NULL)
1179 BIO_printf(bio, "Verified peername: %s\n", peername);
1180 } else {
1181 const char *reason = X509_verify_cert_error_string(verify_err);
1182
1183 BIO_printf(bio, "Verification error: %s\n", reason);
1184 }
1185
1186 if ((mdpth = SSL_get0_dane_authority(s, NULL, &mspki)) >= 0) {
1187 uint8_t usage, selector, mtype;
1188 const unsigned char *data = NULL;
1189 size_t dlen = 0;
1190 char *hexdata;
1191
1192 mdpth = SSL_get0_dane_tlsa(s, &usage, &selector, &mtype, &data, &dlen);
1193
1194 /*
1195 * The TLSA data field can be quite long when it is a certificate,
1196 * public key or even a SHA2-512 digest. Because the initial octets of
1197 * ASN.1 certificates and public keys contain mostly boilerplate OIDs
1198 * and lengths, we show the last 12 bytes of the data instead, as these
1199 * are more likely to distinguish distinct TLSA records.
1200 */
1201#define TLSA_TAIL_SIZE 12
1202 if (dlen > TLSA_TAIL_SIZE)
1203 hexdata = hexencode(data + dlen - TLSA_TAIL_SIZE, TLSA_TAIL_SIZE);
1204 else
1205 hexdata = hexencode(data, dlen);
1206 BIO_printf(bio, "DANE TLSA %d %d %d %s%s %s at depth %d\n",
1207 usage, selector, mtype,
1208 (dlen > TLSA_TAIL_SIZE) ? "..." : "", hexdata,
1209 (mspki != NULL) ? "signed the certificate" :
1210 mdpth ? "matched TA certificate" : "matched EE certificate",
1211 mdpth);
1212 OPENSSL_free(hexdata);
1213 }
1214}
1215
1216void print_ssl_summary(SSL *s)
1217{
1218 const SSL_CIPHER *c;
1219 X509 *peer;
1220
1221 BIO_printf(bio_err, "Protocol version: %s\n", SSL_get_version(s));
1222 print_raw_cipherlist(s);
1223 c = SSL_get_current_cipher(s);
1224 BIO_printf(bio_err, "Ciphersuite: %s\n", SSL_CIPHER_get_name(c));
1225 do_print_sigalgs(bio_err, s, 0);
1226 peer = SSL_get0_peer_certificate(s);
1227 if (peer != NULL) {
1228 int nid;
1229
1230 BIO_puts(bio_err, "Peer certificate: ");
1231 X509_NAME_print_ex(bio_err, X509_get_subject_name(peer),
1232 0, get_nameopt());
1233 BIO_puts(bio_err, "\n");
1234 if (SSL_get_peer_signature_nid(s, &nid))
1235 BIO_printf(bio_err, "Hash used: %s\n", OBJ_nid2sn(nid));
1236 if (SSL_get_peer_signature_type_nid(s, &nid))
1237 BIO_printf(bio_err, "Signature type: %s\n", get_sigtype(nid));
1238 print_verify_detail(s, bio_err);
1239 } else {
1240 BIO_puts(bio_err, "No peer certificate\n");
1241 }
1242#ifndef OPENSSL_NO_EC
1243 ssl_print_point_formats(bio_err, s);
1244 if (SSL_is_server(s))
1245 ssl_print_groups(bio_err, s, 1);
1246 else
1247 ssl_print_tmp_key(bio_err, s);
1248#else
1249 if (!SSL_is_server(s))
1250 ssl_print_tmp_key(bio_err, s);
1251#endif
1252}
1253
1254int config_ctx(SSL_CONF_CTX *cctx, STACK_OF(OPENSSL_STRING) *str,
1255 SSL_CTX *ctx)
1256{
1257 int i;
1258
1259 SSL_CONF_CTX_set_ssl_ctx(cctx, ctx);
1260 for (i = 0; i < sk_OPENSSL_STRING_num(str); i += 2) {
1261 const char *flag = sk_OPENSSL_STRING_value(str, i);
1262 const char *arg = sk_OPENSSL_STRING_value(str, i + 1);
1263
1264 if (SSL_CONF_cmd(cctx, flag, arg) <= 0) {
1265 BIO_printf(bio_err, "Call to SSL_CONF_cmd(%s, %s) failed\n",
1266 flag, arg == NULL ? "<NULL>" : arg);
1267 ERR_print_errors(bio_err);
1268 return 0;
1269 }
1270 }
1271 if (!SSL_CONF_CTX_finish(cctx)) {
1272 BIO_puts(bio_err, "Error finishing context\n");
1273 ERR_print_errors(bio_err);
1274 return 0;
1275 }
1276 return 1;
1277}
1278
1279static int add_crls_store(X509_STORE *st, STACK_OF(X509_CRL) *crls)
1280{
1281 X509_CRL *crl;
1282 int i, ret = 1;
1283
1284 for (i = 0; i < sk_X509_CRL_num(crls); i++) {
1285 crl = sk_X509_CRL_value(crls, i);
1286 if (!X509_STORE_add_crl(st, crl))
1287 ret = 0;
1288 }
1289 return ret;
1290}
1291
1292int ssl_ctx_add_crls(SSL_CTX *ctx, STACK_OF(X509_CRL) *crls, int crl_download)
1293{
1294 X509_STORE *st;
1295
1296 st = SSL_CTX_get_cert_store(ctx);
1297 add_crls_store(st, crls);
1298 if (crl_download)
1299 store_setup_crl_download(st);
1300 return 1;
1301}
1302
1303int ssl_load_stores(SSL_CTX *ctx,
1304 const char *vfyCApath, const char *vfyCAfile,
1305 const char *vfyCAstore,
1306 const char *chCApath, const char *chCAfile,
1307 const char *chCAstore,
1308 STACK_OF(X509_CRL) *crls, int crl_download)
1309{
1310 X509_STORE *vfy = NULL, *ch = NULL;
1311 int rv = 0;
1312
1313 if (vfyCApath != NULL || vfyCAfile != NULL || vfyCAstore != NULL) {
1314 vfy = X509_STORE_new();
1315 if (vfy == NULL)
1316 goto err;
1317 if (vfyCAfile != NULL && !X509_STORE_load_file(vfy, vfyCAfile))
1318 goto err;
1319 if (vfyCApath != NULL && !X509_STORE_load_path(vfy, vfyCApath))
1320 goto err;
1321 if (vfyCAstore != NULL && !X509_STORE_load_store(vfy, vfyCAstore))
1322 goto err;
1323 add_crls_store(vfy, crls);
1324 SSL_CTX_set1_verify_cert_store(ctx, vfy);
1325 if (crl_download)
1326 store_setup_crl_download(vfy);
1327 }
1328 if (chCApath != NULL || chCAfile != NULL || chCAstore != NULL) {
1329 ch = X509_STORE_new();
1330 if (ch == NULL)
1331 goto err;
1332 if (chCAfile != NULL && !X509_STORE_load_file(ch, chCAfile))
1333 goto err;
1334 if (chCApath != NULL && !X509_STORE_load_path(ch, chCApath))
1335 goto err;
1336 if (chCAstore != NULL && !X509_STORE_load_store(ch, chCAstore))
1337 goto err;
1338 SSL_CTX_set1_chain_cert_store(ctx, ch);
1339 }
1340 rv = 1;
1341 err:
1342 X509_STORE_free(vfy);
1343 X509_STORE_free(ch);
1344 return rv;
1345}
1346
1347/* Verbose print out of security callback */
1348
1349typedef struct {
1350 BIO *out;
1351 int verbose;
1352 int (*old_cb) (const SSL *s, const SSL_CTX *ctx, int op, int bits, int nid,
1353 void *other, void *ex);
1354} security_debug_ex;
1355
1356static STRINT_PAIR callback_types[] = {
1357 {"Supported Ciphersuite", SSL_SECOP_CIPHER_SUPPORTED},
1358 {"Shared Ciphersuite", SSL_SECOP_CIPHER_SHARED},
1359 {"Check Ciphersuite", SSL_SECOP_CIPHER_CHECK},
1360#ifndef OPENSSL_NO_DH
1361 {"Temp DH key bits", SSL_SECOP_TMP_DH},
1362#endif
1363 {"Supported Curve", SSL_SECOP_CURVE_SUPPORTED},
1364 {"Shared Curve", SSL_SECOP_CURVE_SHARED},
1365 {"Check Curve", SSL_SECOP_CURVE_CHECK},
1366 {"Supported Signature Algorithm", SSL_SECOP_SIGALG_SUPPORTED},
1367 {"Shared Signature Algorithm", SSL_SECOP_SIGALG_SHARED},
1368 {"Check Signature Algorithm", SSL_SECOP_SIGALG_CHECK},
1369 {"Signature Algorithm mask", SSL_SECOP_SIGALG_MASK},
1370 {"Certificate chain EE key", SSL_SECOP_EE_KEY},
1371 {"Certificate chain CA key", SSL_SECOP_CA_KEY},
1372 {"Peer Chain EE key", SSL_SECOP_PEER_EE_KEY},
1373 {"Peer Chain CA key", SSL_SECOP_PEER_CA_KEY},
1374 {"Certificate chain CA digest", SSL_SECOP_CA_MD},
1375 {"Peer chain CA digest", SSL_SECOP_PEER_CA_MD},
1376 {"SSL compression", SSL_SECOP_COMPRESSION},
1377 {"Session ticket", SSL_SECOP_TICKET},
1378 {NULL}
1379};
1380
1381static int security_callback_debug(const SSL *s, const SSL_CTX *ctx,
1382 int op, int bits, int nid,
1383 void *other, void *ex)
1384{
1385 security_debug_ex *sdb = ex;
1386 int rv, show_bits = 1, cert_md = 0;
1387 const char *nm;
1388 int show_nm;
1389
1390 rv = sdb->old_cb(s, ctx, op, bits, nid, other, ex);
1391 if (rv == 1 && sdb->verbose < 2)
1392 return 1;
1393 BIO_puts(sdb->out, "Security callback: ");
1394
1395 nm = lookup(op, callback_types, NULL);
1396 show_nm = nm != NULL;
1397 switch (op) {
1398 case SSL_SECOP_TICKET:
1399 case SSL_SECOP_COMPRESSION:
1400 show_bits = 0;
1401 show_nm = 0;
1402 break;
1403 case SSL_SECOP_VERSION:
1404 BIO_printf(sdb->out, "Version=%s", lookup(nid, ssl_versions, "???"));
1405 show_bits = 0;
1406 show_nm = 0;
1407 break;
1408 case SSL_SECOP_CA_MD:
1409 case SSL_SECOP_PEER_CA_MD:
1410 cert_md = 1;
1411 break;
1412 case SSL_SECOP_SIGALG_SUPPORTED:
1413 case SSL_SECOP_SIGALG_SHARED:
1414 case SSL_SECOP_SIGALG_CHECK:
1415 case SSL_SECOP_SIGALG_MASK:
1416 show_nm = 0;
1417 break;
1418 }
1419 if (show_nm)
1420 BIO_printf(sdb->out, "%s=", nm);
1421
1422 switch (op & SSL_SECOP_OTHER_TYPE) {
1423
1424 case SSL_SECOP_OTHER_CIPHER:
1425 BIO_puts(sdb->out, SSL_CIPHER_get_name(other));
1426 break;
1427
1428#ifndef OPENSSL_NO_EC
1429 case SSL_SECOP_OTHER_CURVE:
1430 {
1431 const char *cname;
1432 cname = EC_curve_nid2nist(nid);
1433 if (cname == NULL)
1434 cname = OBJ_nid2sn(nid);
1435 BIO_puts(sdb->out, cname);
1436 }
1437 break;
1438#endif
1439 case SSL_SECOP_OTHER_CERT:
1440 {
1441 if (cert_md) {
1442 int sig_nid = X509_get_signature_nid(other);
1443
1444 BIO_puts(sdb->out, OBJ_nid2sn(sig_nid));
1445 } else {
1446 EVP_PKEY *pkey = X509_get0_pubkey(other);
1447
1448 if (pkey == NULL) {
1449 BIO_printf(sdb->out, "Public key missing");
1450 } else {
1451 const char *algname = "";
1452
1453 EVP_PKEY_asn1_get0_info(NULL, NULL, NULL, NULL,
1454 &algname, EVP_PKEY_get0_asn1(pkey));
1455 BIO_printf(sdb->out, "%s, bits=%d",
1456 algname, EVP_PKEY_get_bits(pkey));
1457 }
1458 }
1459 break;
1460 }
1461 case SSL_SECOP_OTHER_SIGALG:
1462 {
1463 const unsigned char *salg = other;
1464 const char *sname = NULL;
1465 int raw_sig_code = (salg[0] << 8) + salg[1]; /* always big endian (msb, lsb) */
1466 /* raw_sig_code: signature_scheme from tls1.3, or signature_and_hash from tls1.2 */
1467
1468 if (nm != NULL)
1469 BIO_printf(sdb->out, "%s", nm);
1470 else
1471 BIO_printf(sdb->out, "s_cb.c:security_callback_debug op=0x%x", op);
1472
1473 sname = lookup(raw_sig_code, signature_tls13_scheme_list, NULL);
1474 if (sname != NULL) {
1475 BIO_printf(sdb->out, " scheme=%s", sname);
1476 } else {
1477 int alg_code = salg[1];
1478 int hash_code = salg[0];
1479 const char *alg_str = lookup(alg_code, signature_tls12_alg_list, NULL);
1480 const char *hash_str = lookup(hash_code, signature_tls12_hash_list, NULL);
1481
1482 if (alg_str != NULL && hash_str != NULL)
1483 BIO_printf(sdb->out, " digest=%s, algorithm=%s", hash_str, alg_str);
1484 else
1485 BIO_printf(sdb->out, " scheme=unknown(0x%04x)", raw_sig_code);
1486 }
1487 }
1488
1489 }
1490
1491 if (show_bits)
1492 BIO_printf(sdb->out, ", security bits=%d", bits);
1493 BIO_printf(sdb->out, ": %s\n", rv ? "yes" : "no");
1494 return rv;
1495}
1496
1497void ssl_ctx_security_debug(SSL_CTX *ctx, int verbose)
1498{
1499 static security_debug_ex sdb;
1500
1501 sdb.out = bio_err;
1502 sdb.verbose = verbose;
1503 sdb.old_cb = SSL_CTX_get_security_callback(ctx);
1504 SSL_CTX_set_security_callback(ctx, security_callback_debug);
1505 SSL_CTX_set0_security_ex_data(ctx, &sdb);
1506}
1507
1508static void keylog_callback(const SSL *ssl, const char *line)
1509{
1510 if (bio_keylog == NULL) {
1511 BIO_printf(bio_err, "Keylog callback is invoked without valid file!\n");
1512 return;
1513 }
1514
1515 /*
1516 * There might be concurrent writers to the keylog file, so we must ensure
1517 * that the given line is written at once.
1518 */
1519 BIO_printf(bio_keylog, "%s\n", line);
1520 (void)BIO_flush(bio_keylog);
1521}
1522
1523int set_keylog_file(SSL_CTX *ctx, const char *keylog_file)
1524{
1525 /* Close any open files */
1526 BIO_free_all(bio_keylog);
1527 bio_keylog = NULL;
1528
1529 if (ctx == NULL || keylog_file == NULL) {
1530 /* Keylogging is disabled, OK. */
1531 return 0;
1532 }
1533
1534 /*
1535 * Append rather than write in order to allow concurrent modification.
1536 * Furthermore, this preserves existing keylog files which is useful when
1537 * the tool is run multiple times.
1538 */
1539 bio_keylog = BIO_new_file(keylog_file, "a");
1540 if (bio_keylog == NULL) {
1541 BIO_printf(bio_err, "Error writing keylog file %s\n", keylog_file);
1542 return 1;
1543 }
1544
1545 /* Write a header for seekable, empty files (this excludes pipes). */
1546 if (BIO_tell(bio_keylog) == 0) {
1547 BIO_puts(bio_keylog,
1548 "# SSL/TLS secrets log file, generated by OpenSSL\n");
1549 (void)BIO_flush(bio_keylog);
1550 }
1551 SSL_CTX_set_keylog_callback(ctx, keylog_callback);
1552 return 0;
1553}
1554
1555void print_ca_names(BIO *bio, SSL *s)
1556{
1557 const char *cs = SSL_is_server(s) ? "server" : "client";
1558 const STACK_OF(X509_NAME) *sk = SSL_get0_peer_CA_list(s);
1559 int i;
1560
1561 if (sk == NULL || sk_X509_NAME_num(sk) == 0) {
1562 if (!SSL_is_server(s))
1563 BIO_printf(bio, "---\nNo %s certificate CA names sent\n", cs);
1564 return;
1565 }
1566
1567 BIO_printf(bio, "---\nAcceptable %s certificate CA names\n",cs);
1568 for (i = 0; i < sk_X509_NAME_num(sk); i++) {
1569 X509_NAME_print_ex(bio, sk_X509_NAME_value(sk, i), 0, get_nameopt());
1570 BIO_write(bio, "\n", 1);
1571 }
1572}
1573
1574void ssl_print_secure_renegotiation_notes(BIO *bio, SSL *s)
1575{
1576 if (SSL_VERSION_ALLOWS_RENEGOTIATION(s)) {
1577 BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
1578 SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
1579 } else {
1580 BIO_printf(bio, "This TLS version forbids renegotiation.\n");
1581 }
1582}
注意: 瀏覽 TracBrowser 來幫助您使用儲存庫瀏覽器

© 2025 Oracle Support Privacy / Do Not Sell My Info Terms of Use Trademark Policy Automated Access Etiquette