2 * Copyright 1995-2021 The OpenSSL Project Authors. All Rights Reserved.
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
10 /* callback functions used by s_client, s_server, and s_time */
13 #include <string.h> /* for memcpy() and strcmp() */
15 #include <openssl/core_names.h>
16 #include <openssl/params.h>
17 #include <openssl/err.h>
18 #include <openssl/rand.h>
19 #include <openssl/x509.h>
20 #include <openssl/ssl.h>
21 #include <openssl/bn.h>
23 # include <openssl/dh.h>
27 #define COOKIE_SECRET_LENGTH 16
29 VERIFY_CB_ARGS verify_args
= { -1, 0, X509_V_OK
, 0 };
31 #ifndef OPENSSL_NO_SOCK
32 static unsigned char cookie_secret
[COOKIE_SECRET_LENGTH
];
33 static int cookie_initialized
= 0;
35 static BIO
*bio_keylog
= NULL
;
37 static const char *lookup(int val
, const STRINT_PAIR
* list
, const char* def
)
39 for ( ; list
->name
; ++list
)
40 if (list
->retval
== val
)
45 int verify_callback(int ok
, X509_STORE_CTX
*ctx
)
50 err_cert
= X509_STORE_CTX_get_current_cert(ctx
);
51 err
= X509_STORE_CTX_get_error(ctx
);
52 depth
= X509_STORE_CTX_get_error_depth(ctx
);
54 if (!verify_args
.quiet
|| !ok
) {
55 BIO_printf(bio_err
, "depth=%d ", depth
);
56 if (err_cert
!= NULL
) {
57 X509_NAME_print_ex(bio_err
,
58 X509_get_subject_name(err_cert
),
60 BIO_puts(bio_err
, "\n");
62 BIO_puts(bio_err
, "<no cert>\n");
66 BIO_printf(bio_err
, "verify error:num=%d:%s\n", err
,
67 X509_verify_cert_error_string(err
));
68 if (verify_args
.depth
< 0 || verify_args
.depth
>= depth
) {
69 if (!verify_args
.return_error
)
71 verify_args
.error
= err
;
74 verify_args
.error
= X509_V_ERR_CERT_CHAIN_TOO_LONG
;
78 case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT
:
79 BIO_puts(bio_err
, "issuer= ");
80 X509_NAME_print_ex(bio_err
, X509_get_issuer_name(err_cert
),
82 BIO_puts(bio_err
, "\n");
84 case X509_V_ERR_CERT_NOT_YET_VALID
:
85 case X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD
:
86 BIO_printf(bio_err
, "notBefore=");
87 ASN1_TIME_print(bio_err
, X509_get0_notBefore(err_cert
));
88 BIO_printf(bio_err
, "\n");
90 case X509_V_ERR_CERT_HAS_EXPIRED
:
91 case X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD
:
92 BIO_printf(bio_err
, "notAfter=");
93 ASN1_TIME_print(bio_err
, X509_get0_notAfter(err_cert
));
94 BIO_printf(bio_err
, "\n");
96 case X509_V_ERR_NO_EXPLICIT_POLICY
:
97 if (!verify_args
.quiet
)
101 if (err
== X509_V_OK
&& ok
== 2 && !verify_args
.quiet
)
103 if (ok
&& !verify_args
.quiet
)
104 BIO_printf(bio_err
, "verify return:%d\n", ok
);
108 int set_cert_stuff(SSL_CTX
*ctx
, char *cert_file
, char *key_file
)
110 if (cert_file
!= NULL
) {
111 if (SSL_CTX_use_certificate_file(ctx
, cert_file
,
112 SSL_FILETYPE_PEM
) <= 0) {
113 BIO_printf(bio_err
, "unable to get certificate from '%s'\n",
115 ERR_print_errors(bio_err
);
118 if (key_file
== NULL
)
119 key_file
= cert_file
;
120 if (SSL_CTX_use_PrivateKey_file(ctx
, key_file
, SSL_FILETYPE_PEM
) <= 0) {
121 BIO_printf(bio_err
, "unable to get private key from '%s'\n",
123 ERR_print_errors(bio_err
);
128 * If we are using DSA, we can copy the parameters from the private
133 * Now we know that a key and cert have been set against the SSL
136 if (!SSL_CTX_check_private_key(ctx
)) {
138 "Private key does not match the certificate public key\n");
145 int set_cert_key_stuff(SSL_CTX
*ctx
, X509
*cert
, EVP_PKEY
*key
,
146 STACK_OF(X509
) *chain
, int build_chain
)
148 int chflags
= chain
? SSL_BUILD_CHAIN_FLAG_CHECK
: 0;
151 if (SSL_CTX_use_certificate(ctx
, cert
) <= 0) {
152 BIO_printf(bio_err
, "error setting certificate\n");
153 ERR_print_errors(bio_err
);
157 if (SSL_CTX_use_PrivateKey(ctx
, key
) <= 0) {
158 BIO_printf(bio_err
, "error setting private key\n");
159 ERR_print_errors(bio_err
);
164 * Now we know that a key and cert have been set against the SSL context
166 if (!SSL_CTX_check_private_key(ctx
)) {
168 "Private key does not match the certificate public key\n");
171 if (chain
&& !SSL_CTX_set1_chain(ctx
, chain
)) {
172 BIO_printf(bio_err
, "error setting certificate chain\n");
173 ERR_print_errors(bio_err
);
176 if (build_chain
&& !SSL_CTX_build_cert_chain(ctx
, chflags
)) {
177 BIO_printf(bio_err
, "error building certificate chain\n");
178 ERR_print_errors(bio_err
);
184 static STRINT_PAIR cert_type_list
[] = {
185 {"RSA sign", TLS_CT_RSA_SIGN
},
186 {"DSA sign", TLS_CT_DSS_SIGN
},
187 {"RSA fixed DH", TLS_CT_RSA_FIXED_DH
},
188 {"DSS fixed DH", TLS_CT_DSS_FIXED_DH
},
189 {"ECDSA sign", TLS_CT_ECDSA_SIGN
},
190 {"RSA fixed ECDH", TLS_CT_RSA_FIXED_ECDH
},
191 {"ECDSA fixed ECDH", TLS_CT_ECDSA_FIXED_ECDH
},
192 {"GOST01 Sign", TLS_CT_GOST01_SIGN
},
193 {"GOST12 Sign", TLS_CT_GOST12_IANA_SIGN
},
197 static void ssl_print_client_cert_types(BIO
*bio
, SSL
*s
)
199 const unsigned char *p
;
201 int cert_type_num
= SSL_get0_certificate_types(s
, &p
);
204 BIO_puts(bio
, "Client Certificate Types: ");
205 for (i
= 0; i
< cert_type_num
; i
++) {
206 unsigned char cert_type
= p
[i
];
207 const char *cname
= lookup((int)cert_type
, cert_type_list
, NULL
);
212 BIO_puts(bio
, cname
);
214 BIO_printf(bio
, "UNKNOWN (%d),", cert_type
);
219 static const char *get_sigtype(int nid
)
225 case EVP_PKEY_RSA_PSS
:
240 case NID_id_GostR3410_2001
:
243 case NID_id_GostR3410_2012_256
:
244 return "gost2012_256";
246 case NID_id_GostR3410_2012_512
:
247 return "gost2012_512";
254 static int do_print_sigalgs(BIO
*out
, SSL
*s
, int shared
)
257 client
= SSL_is_server(s
) ? 0 : 1;
259 nsig
= SSL_get_shared_sigalgs(s
, 0, NULL
, NULL
, NULL
, NULL
, NULL
);
261 nsig
= SSL_get_sigalgs(s
, -1, NULL
, NULL
, NULL
, NULL
, NULL
);
266 BIO_puts(out
, "Shared ");
269 BIO_puts(out
, "Requested ");
270 BIO_puts(out
, "Signature Algorithms: ");
271 for (i
= 0; i
< nsig
; i
++) {
272 int hash_nid
, sign_nid
;
273 unsigned char rhash
, rsign
;
274 const char *sstr
= NULL
;
276 SSL_get_shared_sigalgs(s
, i
, &sign_nid
, &hash_nid
, NULL
,
279 SSL_get_sigalgs(s
, i
, &sign_nid
, &hash_nid
, NULL
, &rsign
, &rhash
);
282 sstr
= get_sigtype(sign_nid
);
284 BIO_printf(out
, "%s", sstr
);
286 BIO_printf(out
, "0x%02X", (int)rsign
);
287 if (hash_nid
!= NID_undef
)
288 BIO_printf(out
, "+%s", OBJ_nid2sn(hash_nid
));
289 else if (sstr
== NULL
)
290 BIO_printf(out
, "+0x%02X", (int)rhash
);
296 int ssl_print_sigalgs(BIO
*out
, SSL
*s
)
299 if (!SSL_is_server(s
))
300 ssl_print_client_cert_types(out
, s
);
301 do_print_sigalgs(out
, s
, 0);
302 do_print_sigalgs(out
, s
, 1);
303 if (SSL_get_peer_signature_nid(s
, &nid
) && nid
!= NID_undef
)
304 BIO_printf(out
, "Peer signing digest: %s\n", OBJ_nid2sn(nid
));
305 if (SSL_get_peer_signature_type_nid(s
, &nid
))
306 BIO_printf(out
, "Peer signature type: %s\n", get_sigtype(nid
));
310 #ifndef OPENSSL_NO_EC
311 int ssl_print_point_formats(BIO
*out
, SSL
*s
)
314 const char *pformats
;
315 nformats
= SSL_get0_ec_point_formats(s
, &pformats
);
318 BIO_puts(out
, "Supported Elliptic Curve Point Formats: ");
319 for (i
= 0; i
< nformats
; i
++, pformats
++) {
323 case TLSEXT_ECPOINTFORMAT_uncompressed
:
324 BIO_puts(out
, "uncompressed");
327 case TLSEXT_ECPOINTFORMAT_ansiX962_compressed_prime
:
328 BIO_puts(out
, "ansiX962_compressed_prime");
331 case TLSEXT_ECPOINTFORMAT_ansiX962_compressed_char2
:
332 BIO_puts(out
, "ansiX962_compressed_char2");
336 BIO_printf(out
, "unknown(%d)", (int)*pformats
);
345 int ssl_print_groups(BIO
*out
, SSL
*s
, int noshared
)
347 int i
, ngroups
, *groups
, nid
;
349 ngroups
= SSL_get1_groups(s
, NULL
);
352 groups
= app_malloc(ngroups
* sizeof(int), "groups to print");
353 SSL_get1_groups(s
, groups
);
355 BIO_puts(out
, "Supported groups: ");
356 for (i
= 0; i
< ngroups
; i
++) {
360 BIO_printf(out
, "%s", SSL_group_to_name(s
, nid
));
362 OPENSSL_free(groups
);
367 BIO_puts(out
, "\nShared groups: ");
368 ngroups
= SSL_get_shared_group(s
, -1);
369 for (i
= 0; i
< ngroups
; i
++) {
372 nid
= SSL_get_shared_group(s
, i
);
373 BIO_printf(out
, "%s", SSL_group_to_name(s
, nid
));
376 BIO_puts(out
, "NONE");
382 int ssl_print_tmp_key(BIO
*out
, SSL
*s
)
386 if (!SSL_get_peer_tmp_key(s
, &key
))
388 BIO_puts(out
, "Server Temp Key: ");
389 switch (EVP_PKEY_id(key
)) {
391 BIO_printf(out
, "RSA, %d bits\n", EVP_PKEY_bits(key
));
395 BIO_printf(out
, "DH, %d bits\n", EVP_PKEY_bits(key
));
397 #ifndef OPENSSL_NO_EC
403 if (!EVP_PKEY_get_utf8_string_param(key
, OSSL_PKEY_PARAM_GROUP_NAME
,
404 name
, sizeof(name
), &name_len
))
406 BIO_printf(out
, "ECDH, %s, %d bits\n", name
, EVP_PKEY_bits(key
));
411 BIO_printf(out
, "%s, %d bits\n", OBJ_nid2sn(EVP_PKEY_id(key
)),
418 long bio_dump_callback(BIO
*bio
, int cmd
, const char *argp
,
419 int argi
, long argl
, long ret
)
423 out
= (BIO
*)BIO_get_callback_arg(bio
);
427 if (cmd
== (BIO_CB_READ
| BIO_CB_RETURN
)) {
428 BIO_printf(out
, "read from %p [%p] (%lu bytes => %ld (0x%lX))\n",
429 (void *)bio
, (void *)argp
, (unsigned long)argi
, ret
, ret
);
430 BIO_dump(out
, argp
, (int)ret
);
432 } else if (cmd
== (BIO_CB_WRITE
| BIO_CB_RETURN
)) {
433 BIO_printf(out
, "write to %p [%p] (%lu bytes => %ld (0x%lX))\n",
434 (void *)bio
, (void *)argp
, (unsigned long)argi
, ret
, ret
);
435 BIO_dump(out
, argp
, (int)ret
);
440 void apps_ssl_info_callback(const SSL
*s
, int where
, int ret
)
445 w
= where
& ~SSL_ST_MASK
;
447 if (w
& SSL_ST_CONNECT
)
449 else if (w
& SSL_ST_ACCEPT
)
454 if (where
& SSL_CB_LOOP
) {
455 BIO_printf(bio_err
, "%s:%s\n", str
, SSL_state_string_long(s
));
456 } else if (where
& SSL_CB_ALERT
) {
457 str
= (where
& SSL_CB_READ
) ? "read" : "write";
458 BIO_printf(bio_err
, "SSL3 alert %s:%s:%s\n",
460 SSL_alert_type_string_long(ret
),
461 SSL_alert_desc_string_long(ret
));
462 } else if (where
& SSL_CB_EXIT
) {
464 BIO_printf(bio_err
, "%s:failed in %s\n",
465 str
, SSL_state_string_long(s
));
467 BIO_printf(bio_err
, "%s:error in %s\n",
468 str
, SSL_state_string_long(s
));
472 static STRINT_PAIR ssl_versions
[] = {
473 {"SSL 3.0", SSL3_VERSION
},
474 {"TLS 1.0", TLS1_VERSION
},
475 {"TLS 1.1", TLS1_1_VERSION
},
476 {"TLS 1.2", TLS1_2_VERSION
},
477 {"TLS 1.3", TLS1_3_VERSION
},
478 {"DTLS 1.0", DTLS1_VERSION
},
479 {"DTLS 1.0 (bad)", DTLS1_BAD_VER
},
483 static STRINT_PAIR alert_types
[] = {
484 {" close_notify", 0},
485 {" end_of_early_data", 1},
486 {" unexpected_message", 10},
487 {" bad_record_mac", 20},
488 {" decryption_failed", 21},
489 {" record_overflow", 22},
490 {" decompression_failure", 30},
491 {" handshake_failure", 40},
492 {" bad_certificate", 42},
493 {" unsupported_certificate", 43},
494 {" certificate_revoked", 44},
495 {" certificate_expired", 45},
496 {" certificate_unknown", 46},
497 {" illegal_parameter", 47},
499 {" access_denied", 49},
500 {" decode_error", 50},
501 {" decrypt_error", 51},
502 {" export_restriction", 60},
503 {" protocol_version", 70},
504 {" insufficient_security", 71},
505 {" internal_error", 80},
506 {" inappropriate_fallback", 86},
507 {" user_canceled", 90},
508 {" no_renegotiation", 100},
509 {" missing_extension", 109},
510 {" unsupported_extension", 110},
511 {" certificate_unobtainable", 111},
512 {" unrecognized_name", 112},
513 {" bad_certificate_status_response", 113},
514 {" bad_certificate_hash_value", 114},
515 {" unknown_psk_identity", 115},
516 {" certificate_required", 116},
520 static STRINT_PAIR handshakes
[] = {
521 {", HelloRequest", SSL3_MT_HELLO_REQUEST
},
522 {", ClientHello", SSL3_MT_CLIENT_HELLO
},
523 {", ServerHello", SSL3_MT_SERVER_HELLO
},
524 {", HelloVerifyRequest", DTLS1_MT_HELLO_VERIFY_REQUEST
},
525 {", NewSessionTicket", SSL3_MT_NEWSESSION_TICKET
},
526 {", EndOfEarlyData", SSL3_MT_END_OF_EARLY_DATA
},
527 {", EncryptedExtensions", SSL3_MT_ENCRYPTED_EXTENSIONS
},
528 {", Certificate", SSL3_MT_CERTIFICATE
},
529 {", ServerKeyExchange", SSL3_MT_SERVER_KEY_EXCHANGE
},
530 {", CertificateRequest", SSL3_MT_CERTIFICATE_REQUEST
},
531 {", ServerHelloDone", SSL3_MT_SERVER_DONE
},
532 {", CertificateVerify", SSL3_MT_CERTIFICATE_VERIFY
},
533 {", ClientKeyExchange", SSL3_MT_CLIENT_KEY_EXCHANGE
},
534 {", Finished", SSL3_MT_FINISHED
},
535 {", CertificateUrl", SSL3_MT_CERTIFICATE_URL
},
536 {", CertificateStatus", SSL3_MT_CERTIFICATE_STATUS
},
537 {", SupplementalData", SSL3_MT_SUPPLEMENTAL_DATA
},
538 {", KeyUpdate", SSL3_MT_KEY_UPDATE
},
539 #ifndef OPENSSL_NO_NEXTPROTONEG
540 {", NextProto", SSL3_MT_NEXT_PROTO
},
542 {", MessageHash", SSL3_MT_MESSAGE_HASH
},
546 void msg_cb(int write_p
, int version
, int content_type
, const void *buf
,
547 size_t len
, SSL
*ssl
, void *arg
)
550 const char *str_write_p
= write_p
? ">>>" : "<<<";
552 const char *str_version
, *str_content_type
= "", *str_details1
= "", *str_details2
= "";
553 const unsigned char* bp
= buf
;
555 if (version
== SSL3_VERSION
||
556 version
== TLS1_VERSION
||
557 version
== TLS1_1_VERSION
||
558 version
== TLS1_2_VERSION
||
559 version
== TLS1_3_VERSION
||
560 version
== DTLS1_VERSION
|| version
== DTLS1_BAD_VER
) {
561 str_version
= lookup(version
, ssl_versions
, "???");
562 switch (content_type
) {
563 case SSL3_RT_CHANGE_CIPHER_SPEC
:
565 str_content_type
= ", ChangeCipherSpec";
569 str_content_type
= ", Alert";
570 str_details1
= ", ???";
574 str_details1
= ", warning";
577 str_details1
= ", fatal";
580 str_details2
= lookup((int)bp
[1], alert_types
, " ???");
583 case SSL3_RT_HANDSHAKE
:
585 str_content_type
= ", Handshake";
586 str_details1
= "???";
588 str_details1
= lookup((int)bp
[0], handshakes
, "???");
590 case SSL3_RT_APPLICATION_DATA
:
592 str_content_type
= ", ApplicationData";
596 str_content_type
= ", RecordHeader";
598 case SSL3_RT_INNER_CONTENT_TYPE
:
600 str_content_type
= ", InnerContent";
603 BIO_snprintf(tmpbuf
, sizeof(tmpbuf
)-1, ", Unknown (content_type=%d)", content_type
);
604 str_content_type
= tmpbuf
;
607 BIO_snprintf(tmpbuf
, sizeof(tmpbuf
)-1, "Not TLS data or unknown version (version=%d, content_type=%d)", version
, content_type
);
608 str_version
= tmpbuf
;
611 BIO_printf(bio
, "%s %s%s [length %04lx]%s%s\n", str_write_p
, str_version
,
612 str_content_type
, (unsigned long)len
, str_details1
,
618 BIO_printf(bio
, " ");
620 for (i
= 0; i
< num
; i
++) {
621 if (i
% 16 == 0 && i
> 0)
622 BIO_printf(bio
, "\n ");
623 BIO_printf(bio
, " %02x", ((const unsigned char *)buf
)[i
]);
626 BIO_printf(bio
, " ...");
627 BIO_printf(bio
, "\n");
629 (void)BIO_flush(bio
);
632 static STRINT_PAIR tlsext_types
[] = {
633 {"server name", TLSEXT_TYPE_server_name
},
634 {"max fragment length", TLSEXT_TYPE_max_fragment_length
},
635 {"client certificate URL", TLSEXT_TYPE_client_certificate_url
},
636 {"trusted CA keys", TLSEXT_TYPE_trusted_ca_keys
},
637 {"truncated HMAC", TLSEXT_TYPE_truncated_hmac
},
638 {"status request", TLSEXT_TYPE_status_request
},
639 {"user mapping", TLSEXT_TYPE_user_mapping
},
640 {"client authz", TLSEXT_TYPE_client_authz
},
641 {"server authz", TLSEXT_TYPE_server_authz
},
642 {"cert type", TLSEXT_TYPE_cert_type
},
643 {"supported_groups", TLSEXT_TYPE_supported_groups
},
644 {"EC point formats", TLSEXT_TYPE_ec_point_formats
},
645 {"SRP", TLSEXT_TYPE_srp
},
646 {"signature algorithms", TLSEXT_TYPE_signature_algorithms
},
647 {"use SRTP", TLSEXT_TYPE_use_srtp
},
648 {"session ticket", TLSEXT_TYPE_session_ticket
},
649 {"renegotiation info", TLSEXT_TYPE_renegotiate
},
650 {"signed certificate timestamps", TLSEXT_TYPE_signed_certificate_timestamp
},
651 {"TLS padding", TLSEXT_TYPE_padding
},
652 #ifdef TLSEXT_TYPE_next_proto_neg
653 {"next protocol", TLSEXT_TYPE_next_proto_neg
},
655 #ifdef TLSEXT_TYPE_encrypt_then_mac
656 {"encrypt-then-mac", TLSEXT_TYPE_encrypt_then_mac
},
658 #ifdef TLSEXT_TYPE_application_layer_protocol_negotiation
659 {"application layer protocol negotiation",
660 TLSEXT_TYPE_application_layer_protocol_negotiation
},
662 #ifdef TLSEXT_TYPE_extended_master_secret
663 {"extended master secret", TLSEXT_TYPE_extended_master_secret
},
665 {"key share", TLSEXT_TYPE_key_share
},
666 {"supported versions", TLSEXT_TYPE_supported_versions
},
667 {"psk", TLSEXT_TYPE_psk
},
668 {"psk kex modes", TLSEXT_TYPE_psk_kex_modes
},
669 {"certificate authorities", TLSEXT_TYPE_certificate_authorities
},
670 {"post handshake auth", TLSEXT_TYPE_post_handshake_auth
},
674 /* from rfc8446 4.2.3. + gost (https://tools.ietf.org/id/draft-smyshlyaev-tls12-gost-suites-04.html) */
675 static STRINT_PAIR signature_tls13_scheme_list
[] = {
676 {"rsa_pkcs1_sha1", 0x0201 /* TLSEXT_SIGALG_rsa_pkcs1_sha1 */},
677 {"ecdsa_sha1", 0x0203 /* TLSEXT_SIGALG_ecdsa_sha1 */},
678 /* {"rsa_pkcs1_sha224", 0x0301 TLSEXT_SIGALG_rsa_pkcs1_sha224}, not in rfc8446 */
679 /* {"ecdsa_sha224", 0x0303 TLSEXT_SIGALG_ecdsa_sha224} not in rfc8446 */
680 {"rsa_pkcs1_sha256", 0x0401 /* TLSEXT_SIGALG_rsa_pkcs1_sha256 */},
681 {"ecdsa_secp256r1_sha256", 0x0403 /* TLSEXT_SIGALG_ecdsa_secp256r1_sha256 */},
682 {"rsa_pkcs1_sha384", 0x0501 /* TLSEXT_SIGALG_rsa_pkcs1_sha384 */},
683 {"ecdsa_secp384r1_sha384", 0x0503 /* TLSEXT_SIGALG_ecdsa_secp384r1_sha384 */},
684 {"rsa_pkcs1_sha512", 0x0601 /* TLSEXT_SIGALG_rsa_pkcs1_sha512 */},
685 {"ecdsa_secp521r1_sha512", 0x0603 /* TLSEXT_SIGALG_ecdsa_secp521r1_sha512 */},
686 {"rsa_pss_rsae_sha256", 0x0804 /* TLSEXT_SIGALG_rsa_pss_rsae_sha256 */},
687 {"rsa_pss_rsae_sha384", 0x0805 /* TLSEXT_SIGALG_rsa_pss_rsae_sha384 */},
688 {"rsa_pss_rsae_sha512", 0x0806 /* TLSEXT_SIGALG_rsa_pss_rsae_sha512 */},
689 {"ed25519", 0x0807 /* TLSEXT_SIGALG_ed25519 */},
690 {"ed448", 0x0808 /* TLSEXT_SIGALG_ed448 */},
691 {"rsa_pss_pss_sha256", 0x0809 /* TLSEXT_SIGALG_rsa_pss_pss_sha256 */},
692 {"rsa_pss_pss_sha384", 0x080a /* TLSEXT_SIGALG_rsa_pss_pss_sha384 */},
693 {"rsa_pss_pss_sha512", 0x080b /* TLSEXT_SIGALG_rsa_pss_pss_sha512 */},
694 {"gostr34102001", 0xeded /* TLSEXT_SIGALG_gostr34102001_gostr3411 */},
695 {"gostr34102012_256", 0xeeee /* TLSEXT_SIGALG_gostr34102012_256_gostr34112012_256 */},
696 {"gostr34102012_512", 0xefef /* TLSEXT_SIGALG_gostr34102012_512_gostr34112012_512 */},
700 /* from rfc5246 7.4.1.4.1. */
701 static STRINT_PAIR signature_tls12_alg_list
[] = {
702 {"anonymous", TLSEXT_signature_anonymous
/* 0 */},
703 {"RSA", TLSEXT_signature_rsa
/* 1 */},
704 {"DSA", TLSEXT_signature_dsa
/* 2 */},
705 {"ECDSA", TLSEXT_signature_ecdsa
/* 3 */},
709 /* from rfc5246 7.4.1.4.1. */
710 static STRINT_PAIR signature_tls12_hash_list
[] = {
711 {"none", TLSEXT_hash_none
/* 0 */},
712 {"MD5", TLSEXT_hash_md5
/* 1 */},
713 {"SHA1", TLSEXT_hash_sha1
/* 2 */},
714 {"SHA224", TLSEXT_hash_sha224
/* 3 */},
715 {"SHA256", TLSEXT_hash_sha256
/* 4 */},
716 {"SHA384", TLSEXT_hash_sha384
/* 5 */},
717 {"SHA512", TLSEXT_hash_sha512
/* 6 */},
721 void tlsext_cb(SSL
*s
, int client_server
, int type
,
722 const unsigned char *data
, int len
, void *arg
)
725 const char *extname
= lookup(type
, tlsext_types
, "unknown");
727 BIO_printf(bio
, "TLS %s extension \"%s\" (id=%d), len=%d\n",
728 client_server
? "server" : "client", extname
, type
, len
);
729 BIO_dump(bio
, (const char *)data
, len
);
730 (void)BIO_flush(bio
);
733 #ifndef OPENSSL_NO_SOCK
734 int generate_cookie_callback(SSL
*ssl
, unsigned char *cookie
,
735 unsigned int *cookie_len
)
737 unsigned char *buffer
= NULL
;
740 BIO_ADDR
*lpeer
= NULL
, *peer
= NULL
;
743 /* Initialize a random secret */
744 if (!cookie_initialized
) {
745 if (RAND_bytes(cookie_secret
, COOKIE_SECRET_LENGTH
) <= 0) {
746 BIO_printf(bio_err
, "error setting random cookie secret\n");
749 cookie_initialized
= 1;
752 if (SSL_is_dtls(ssl
)) {
753 lpeer
= peer
= BIO_ADDR_new();
755 BIO_printf(bio_err
, "memory full\n");
759 /* Read peer information */
760 (void)BIO_dgram_get_peer(SSL_get_rbio(ssl
), peer
);
765 /* Create buffer with peer's address and port */
766 if (!BIO_ADDR_rawaddress(peer
, NULL
, &length
)) {
767 BIO_printf(bio_err
, "Failed getting peer address\n");
768 BIO_ADDR_free(lpeer
);
771 OPENSSL_assert(length
!= 0);
772 port
= BIO_ADDR_rawport(peer
);
773 length
+= sizeof(port
);
774 buffer
= app_malloc(length
, "cookie generate buffer");
776 memcpy(buffer
, &port
, sizeof(port
));
777 BIO_ADDR_rawaddress(peer
, buffer
+ sizeof(port
), NULL
);
779 if (EVP_Q_mac(NULL
, "HMAC", NULL
, "SHA1", NULL
,
780 cookie_secret
, COOKIE_SECRET_LENGTH
, buffer
, length
,
781 cookie
, DTLS1_COOKIE_LENGTH
, cookie_len
) == NULL
) {
783 "Error calculating HMAC-SHA1 of buffer with secret\n");
788 OPENSSL_free(buffer
);
789 BIO_ADDR_free(lpeer
);
794 int verify_cookie_callback(SSL
*ssl
, const unsigned char *cookie
,
795 unsigned int cookie_len
)
797 unsigned char result
[EVP_MAX_MD_SIZE
];
798 unsigned int resultlength
;
800 /* Note: we check cookie_initialized because if it's not,
801 * it cannot be valid */
802 if (cookie_initialized
803 && generate_cookie_callback(ssl
, result
, &resultlength
)
804 && cookie_len
== resultlength
805 && memcmp(result
, cookie
, resultlength
) == 0)
811 int generate_stateless_cookie_callback(SSL
*ssl
, unsigned char *cookie
,
814 unsigned int temp
= 0;
816 int res
= generate_cookie_callback(ssl
, cookie
, &temp
);
821 int verify_stateless_cookie_callback(SSL
*ssl
, const unsigned char *cookie
,
824 return verify_cookie_callback(ssl
, cookie
, cookie_len
);
830 * Example of extended certificate handling. Where the standard support of
831 * one certificate per algorithm is not sufficient an application can decide
832 * which certificate(s) to use at runtime based on whatever criteria it deems
836 /* Linked list of certificates, keys and chains */
837 struct ssl_excert_st
{
839 const char *certfile
;
842 const char *chainfile
;
845 STACK_OF(X509
) *chain
;
847 struct ssl_excert_st
*next
, *prev
;
850 static STRINT_PAIR chain_flags
[] = {
851 {"Overall Validity", CERT_PKEY_VALID
},
852 {"Sign with EE key", CERT_PKEY_SIGN
},
853 {"EE signature", CERT_PKEY_EE_SIGNATURE
},
854 {"CA signature", CERT_PKEY_CA_SIGNATURE
},
855 {"EE key parameters", CERT_PKEY_EE_PARAM
},
856 {"CA key parameters", CERT_PKEY_CA_PARAM
},
857 {"Explicitly sign with EE key", CERT_PKEY_EXPLICIT_SIGN
},
858 {"Issuer Name", CERT_PKEY_ISSUER_NAME
},
859 {"Certificate Type", CERT_PKEY_CERT_TYPE
},
863 static void print_chain_flags(SSL
*s
, int flags
)
867 for (pp
= chain_flags
; pp
->name
; ++pp
)
868 BIO_printf(bio_err
, "\t%s: %s\n",
870 (flags
& pp
->retval
) ? "OK" : "NOT OK");
871 BIO_printf(bio_err
, "\tSuite B: ");
872 if (SSL_set_cert_flags(s
, 0) & SSL_CERT_FLAG_SUITEB_128_LOS
)
873 BIO_puts(bio_err
, flags
& CERT_PKEY_SUITEB
? "OK\n" : "NOT OK\n");
875 BIO_printf(bio_err
, "not tested\n");
879 * Very basic selection callback: just use any certificate chain reported as
880 * valid. More sophisticated could prioritise according to local policy.
882 static int set_cert_cb(SSL
*ssl
, void *arg
)
885 SSL_EXCERT
*exc
= arg
;
886 #ifdef CERT_CB_TEST_RETRY
887 static int retry_cnt
;
891 "Certificate callback retry test: count %d\n",
896 SSL_certs_clear(ssl
);
902 * Go to end of list and traverse backwards since we prepend newer
903 * entries this retains the original order.
905 while (exc
->next
!= NULL
)
910 while (exc
!= NULL
) {
912 rv
= SSL_check_chain(ssl
, exc
->cert
, exc
->key
, exc
->chain
);
913 BIO_printf(bio_err
, "Checking cert chain %d:\nSubject: ", i
);
914 X509_NAME_print_ex(bio_err
, X509_get_subject_name(exc
->cert
), 0,
916 BIO_puts(bio_err
, "\n");
917 print_chain_flags(ssl
, rv
);
918 if (rv
& CERT_PKEY_VALID
) {
919 if (!SSL_use_certificate(ssl
, exc
->cert
)
920 || !SSL_use_PrivateKey(ssl
, exc
->key
)) {
924 * NB: we wouldn't normally do this as it is not efficient
925 * building chains on each connection better to cache the chain
928 if (exc
->build_chain
) {
929 if (!SSL_build_cert_chain(ssl
, 0))
931 } else if (exc
->chain
!= NULL
) {
932 if (!SSL_set1_chain(ssl
, exc
->chain
))
941 void ssl_ctx_set_excert(SSL_CTX
*ctx
, SSL_EXCERT
*exc
)
943 SSL_CTX_set_cert_cb(ctx
, set_cert_cb
, exc
);
946 static int ssl_excert_prepend(SSL_EXCERT
**pexc
)
948 SSL_EXCERT
*exc
= app_malloc(sizeof(*exc
), "prepend cert");
950 memset(exc
, 0, sizeof(*exc
));
956 exc
->certform
= exc
->next
->certform
;
957 exc
->keyform
= exc
->next
->keyform
;
958 exc
->next
->prev
= exc
;
960 exc
->certform
= FORMAT_PEM
;
961 exc
->keyform
= FORMAT_PEM
;
967 void ssl_excert_free(SSL_EXCERT
*exc
)
974 X509_free(exc
->cert
);
975 EVP_PKEY_free(exc
->key
);
976 sk_X509_pop_free(exc
->chain
, X509_free
);
983 int load_excert(SSL_EXCERT
**pexc
)
985 SSL_EXCERT
*exc
= *pexc
;
988 /* If nothing in list, free and set to NULL */
989 if (exc
->certfile
== NULL
&& exc
->next
== NULL
) {
990 ssl_excert_free(exc
);
994 for (; exc
; exc
= exc
->next
) {
995 if (exc
->certfile
== NULL
) {
996 BIO_printf(bio_err
, "Missing filename\n");
999 exc
->cert
= load_cert(exc
->certfile
, exc
->certform
,
1000 "Server Certificate");
1001 if (exc
->cert
== NULL
)
1003 if (exc
->keyfile
!= NULL
) {
1004 exc
->key
= load_key(exc
->keyfile
, exc
->keyform
,
1005 0, NULL
, NULL
, "server key");
1007 exc
->key
= load_key(exc
->certfile
, exc
->certform
,
1008 0, NULL
, NULL
, "server key");
1010 if (exc
->key
== NULL
)
1012 if (exc
->chainfile
!= NULL
) {
1013 if (!load_certs(exc
->chainfile
, 0, &exc
->chain
, NULL
, "server chain"))
1020 enum range
{ OPT_X_ENUM
};
1022 int args_excert(int opt
, SSL_EXCERT
**pexc
)
1024 SSL_EXCERT
*exc
= *pexc
;
1026 assert(opt
> OPT_X__FIRST
);
1027 assert(opt
< OPT_X__LAST
);
1030 if (!ssl_excert_prepend(&exc
)) {
1031 BIO_printf(bio_err
, " %s: Error initialising xcert\n",
1038 switch ((enum range
)opt
) {
1043 if (exc
->certfile
!= NULL
&& !ssl_excert_prepend(&exc
)) {
1044 BIO_printf(bio_err
, "%s: Error adding xcert\n", opt_getprog());
1048 exc
->certfile
= opt_arg();
1051 if (exc
->keyfile
!= NULL
) {
1052 BIO_printf(bio_err
, "%s: Key already specified\n", opt_getprog());
1055 exc
->keyfile
= opt_arg();
1058 if (exc
->chainfile
!= NULL
) {
1059 BIO_printf(bio_err
, "%s: Chain already specified\n",
1063 exc
->chainfile
= opt_arg();
1065 case OPT_X_CHAIN_BUILD
:
1066 exc
->build_chain
= 1;
1068 case OPT_X_CERTFORM
:
1069 if (!opt_format(opt_arg(), OPT_FMT_ANY
, &exc
->certform
))
1073 if (!opt_format(opt_arg(), OPT_FMT_ANY
, &exc
->keyform
))
1080 ERR_print_errors(bio_err
);
1081 ssl_excert_free(exc
);
1086 static void print_raw_cipherlist(SSL
*s
)
1088 const unsigned char *rlist
;
1089 static const unsigned char scsv_id
[] = { 0, 0xFF };
1090 size_t i
, rlistlen
, num
;
1091 if (!SSL_is_server(s
))
1093 num
= SSL_get0_raw_cipherlist(s
, NULL
);
1094 OPENSSL_assert(num
== 2);
1095 rlistlen
= SSL_get0_raw_cipherlist(s
, &rlist
);
1096 BIO_puts(bio_err
, "Client cipher list: ");
1097 for (i
= 0; i
< rlistlen
; i
+= num
, rlist
+= num
) {
1098 const SSL_CIPHER
*c
= SSL_CIPHER_find(s
, rlist
);
1100 BIO_puts(bio_err
, ":");
1102 BIO_puts(bio_err
, SSL_CIPHER_get_name(c
));
1103 } else if (memcmp(rlist
, scsv_id
, num
) == 0) {
1104 BIO_puts(bio_err
, "SCSV");
1107 BIO_puts(bio_err
, "0x");
1108 for (j
= 0; j
< num
; j
++)
1109 BIO_printf(bio_err
, "%02X", rlist
[j
]);
1112 BIO_puts(bio_err
, "\n");
1116 * Hex encoder for TLSA RRdata, not ':' delimited.
1118 static char *hexencode(const unsigned char *data
, size_t len
)
1120 static const char *hex
= "0123456789abcdef";
1123 size_t outlen
= 2 * len
+ 1;
1124 int ilen
= (int) outlen
;
1126 if (outlen
< len
|| ilen
< 0 || outlen
!= (size_t)ilen
) {
1127 BIO_printf(bio_err
, "%s: %zu-byte buffer too large to hexencode\n",
1128 opt_getprog(), len
);
1131 cp
= out
= app_malloc(ilen
, "TLSA hex data buffer");
1134 *cp
++ = hex
[(*data
>> 4) & 0x0f];
1135 *cp
++ = hex
[*data
++ & 0x0f];
1141 void print_verify_detail(SSL
*s
, BIO
*bio
)
1145 long verify_err
= SSL_get_verify_result(s
);
1147 if (verify_err
== X509_V_OK
) {
1148 const char *peername
= SSL_get0_peername(s
);
1150 BIO_printf(bio
, "Verification: OK\n");
1151 if (peername
!= NULL
)
1152 BIO_printf(bio
, "Verified peername: %s\n", peername
);
1154 const char *reason
= X509_verify_cert_error_string(verify_err
);
1156 BIO_printf(bio
, "Verification error: %s\n", reason
);
1159 if ((mdpth
= SSL_get0_dane_authority(s
, NULL
, &mspki
)) >= 0) {
1160 uint8_t usage
, selector
, mtype
;
1161 const unsigned char *data
= NULL
;
1165 mdpth
= SSL_get0_dane_tlsa(s
, &usage
, &selector
, &mtype
, &data
, &dlen
);
1168 * The TLSA data field can be quite long when it is a certificate,
1169 * public key or even a SHA2-512 digest. Because the initial octets of
1170 * ASN.1 certificates and public keys contain mostly boilerplate OIDs
1171 * and lengths, we show the last 12 bytes of the data instead, as these
1172 * are more likely to distinguish distinct TLSA records.
1174 #define TLSA_TAIL_SIZE 12
1175 if (dlen
> TLSA_TAIL_SIZE
)
1176 hexdata
= hexencode(data
+ dlen
- TLSA_TAIL_SIZE
, TLSA_TAIL_SIZE
);
1178 hexdata
= hexencode(data
, dlen
);
1179 BIO_printf(bio
, "DANE TLSA %d %d %d %s%s %s at depth %d\n",
1180 usage
, selector
, mtype
,
1181 (dlen
> TLSA_TAIL_SIZE
) ? "..." : "", hexdata
,
1182 (mspki
!= NULL
) ? "signed the certificate" :
1183 mdpth
? "matched TA certificate" : "matched EE certificate",
1185 OPENSSL_free(hexdata
);
1189 void print_ssl_summary(SSL
*s
)
1191 const SSL_CIPHER
*c
;
1194 BIO_printf(bio_err
, "Protocol version: %s\n", SSL_get_version(s
));
1195 print_raw_cipherlist(s
);
1196 c
= SSL_get_current_cipher(s
);
1197 BIO_printf(bio_err
, "Ciphersuite: %s\n", SSL_CIPHER_get_name(c
));
1198 do_print_sigalgs(bio_err
, s
, 0);
1199 peer
= SSL_get0_peer_certificate(s
);
1203 BIO_puts(bio_err
, "Peer certificate: ");
1204 X509_NAME_print_ex(bio_err
, X509_get_subject_name(peer
),
1206 BIO_puts(bio_err
, "\n");
1207 if (SSL_get_peer_signature_nid(s
, &nid
))
1208 BIO_printf(bio_err
, "Hash used: %s\n", OBJ_nid2sn(nid
));
1209 if (SSL_get_peer_signature_type_nid(s
, &nid
))
1210 BIO_printf(bio_err
, "Signature type: %s\n", get_sigtype(nid
));
1211 print_verify_detail(s
, bio_err
);
1213 BIO_puts(bio_err
, "No peer certificate\n");
1215 #ifndef OPENSSL_NO_EC
1216 ssl_print_point_formats(bio_err
, s
);
1217 if (SSL_is_server(s
))
1218 ssl_print_groups(bio_err
, s
, 1);
1220 ssl_print_tmp_key(bio_err
, s
);
1222 if (!SSL_is_server(s
))
1223 ssl_print_tmp_key(bio_err
, s
);
1227 int config_ctx(SSL_CONF_CTX
*cctx
, STACK_OF(OPENSSL_STRING
) *str
,
1232 SSL_CONF_CTX_set_ssl_ctx(cctx
, ctx
);
1233 for (i
= 0; i
< sk_OPENSSL_STRING_num(str
); i
+= 2) {
1234 const char *flag
= sk_OPENSSL_STRING_value(str
, i
);
1235 const char *arg
= sk_OPENSSL_STRING_value(str
, i
+ 1);
1237 if (SSL_CONF_cmd(cctx
, flag
, arg
) <= 0) {
1238 BIO_printf(bio_err
, "Call to SSL_CONF_cmd(%s, %s) failed\n",
1239 flag
, arg
== NULL
? "<NULL>" : arg
);
1240 ERR_print_errors(bio_err
);
1244 if (!SSL_CONF_CTX_finish(cctx
)) {
1245 BIO_puts(bio_err
, "Error finishing context\n");
1246 ERR_print_errors(bio_err
);
1252 static int add_crls_store(X509_STORE
*st
, STACK_OF(X509_CRL
) *crls
)
1257 for (i
= 0; i
< sk_X509_CRL_num(crls
); i
++) {
1258 crl
= sk_X509_CRL_value(crls
, i
);
1259 if (!X509_STORE_add_crl(st
, crl
))
1265 int ssl_ctx_add_crls(SSL_CTX
*ctx
, STACK_OF(X509_CRL
) *crls
, int crl_download
)
1268 st
= SSL_CTX_get_cert_store(ctx
);
1269 add_crls_store(st
, crls
);
1271 store_setup_crl_download(st
);
1275 int ssl_load_stores(SSL_CTX
*ctx
,
1276 const char *vfyCApath
, const char *vfyCAfile
,
1277 const char *vfyCAstore
,
1278 const char *chCApath
, const char *chCAfile
,
1279 const char *chCAstore
,
1280 STACK_OF(X509_CRL
) *crls
, int crl_download
)
1282 X509_STORE
*vfy
= NULL
, *ch
= NULL
;
1284 if (vfyCApath
!= NULL
|| vfyCAfile
!= NULL
|| vfyCAstore
!= NULL
) {
1285 vfy
= X509_STORE_new();
1288 if (vfyCAfile
!= NULL
&& !X509_STORE_load_file(vfy
, vfyCAfile
))
1290 if (vfyCApath
!= NULL
&& !X509_STORE_load_path(vfy
, vfyCApath
))
1292 if (vfyCAstore
!= NULL
&& !X509_STORE_load_store(vfy
, vfyCAstore
))
1294 add_crls_store(vfy
, crls
);
1295 SSL_CTX_set1_verify_cert_store(ctx
, vfy
);
1297 store_setup_crl_download(vfy
);
1299 if (chCApath
!= NULL
|| chCAfile
!= NULL
|| chCAstore
!= NULL
) {
1300 ch
= X509_STORE_new();
1303 if (chCAfile
!= NULL
&& !X509_STORE_load_file(ch
, chCAfile
))
1305 if (chCApath
!= NULL
&& !X509_STORE_load_path(ch
, chCApath
))
1307 if (chCAstore
!= NULL
&& !X509_STORE_load_store(ch
, chCAstore
))
1309 SSL_CTX_set1_chain_cert_store(ctx
, ch
);
1313 X509_STORE_free(vfy
);
1314 X509_STORE_free(ch
);
1318 /* Verbose print out of security callback */
1323 int (*old_cb
) (const SSL
*s
, const SSL_CTX
*ctx
, int op
, int bits
, int nid
,
1324 void *other
, void *ex
);
1325 } security_debug_ex
;
1327 static STRINT_PAIR callback_types
[] = {
1328 {"Supported Ciphersuite", SSL_SECOP_CIPHER_SUPPORTED
},
1329 {"Shared Ciphersuite", SSL_SECOP_CIPHER_SHARED
},
1330 {"Check Ciphersuite", SSL_SECOP_CIPHER_CHECK
},
1331 #ifndef OPENSSL_NO_DH
1332 {"Temp DH key bits", SSL_SECOP_TMP_DH
},
1334 {"Supported Curve", SSL_SECOP_CURVE_SUPPORTED
},
1335 {"Shared Curve", SSL_SECOP_CURVE_SHARED
},
1336 {"Check Curve", SSL_SECOP_CURVE_CHECK
},
1337 {"Supported Signature Algorithm", SSL_SECOP_SIGALG_SUPPORTED
},
1338 {"Shared Signature Algorithm", SSL_SECOP_SIGALG_SHARED
},
1339 {"Check Signature Algorithm", SSL_SECOP_SIGALG_CHECK
},
1340 {"Signature Algorithm mask", SSL_SECOP_SIGALG_MASK
},
1341 {"Certificate chain EE key", SSL_SECOP_EE_KEY
},
1342 {"Certificate chain CA key", SSL_SECOP_CA_KEY
},
1343 {"Peer Chain EE key", SSL_SECOP_PEER_EE_KEY
},
1344 {"Peer Chain CA key", SSL_SECOP_PEER_CA_KEY
},
1345 {"Certificate chain CA digest", SSL_SECOP_CA_MD
},
1346 {"Peer chain CA digest", SSL_SECOP_PEER_CA_MD
},
1347 {"SSL compression", SSL_SECOP_COMPRESSION
},
1348 {"Session ticket", SSL_SECOP_TICKET
},
1352 static int security_callback_debug(const SSL
*s
, const SSL_CTX
*ctx
,
1353 int op
, int bits
, int nid
,
1354 void *other
, void *ex
)
1356 security_debug_ex
*sdb
= ex
;
1357 int rv
, show_bits
= 1, cert_md
= 0;
1360 rv
= sdb
->old_cb(s
, ctx
, op
, bits
, nid
, other
, ex
);
1361 if (rv
== 1 && sdb
->verbose
< 2)
1363 BIO_puts(sdb
->out
, "Security callback: ");
1365 nm
= lookup(op
, callback_types
, NULL
);
1366 show_nm
= nm
!= NULL
;
1368 case SSL_SECOP_TICKET
:
1369 case SSL_SECOP_COMPRESSION
:
1373 case SSL_SECOP_VERSION
:
1374 BIO_printf(sdb
->out
, "Version=%s", lookup(nid
, ssl_versions
, "???"));
1378 case SSL_SECOP_CA_MD
:
1379 case SSL_SECOP_PEER_CA_MD
:
1382 case SSL_SECOP_SIGALG_SUPPORTED
:
1383 case SSL_SECOP_SIGALG_SHARED
:
1384 case SSL_SECOP_SIGALG_CHECK
:
1385 case SSL_SECOP_SIGALG_MASK
:
1390 BIO_printf(sdb
->out
, "%s=", nm
);
1392 switch (op
& SSL_SECOP_OTHER_TYPE
) {
1394 case SSL_SECOP_OTHER_CIPHER
:
1395 BIO_puts(sdb
->out
, SSL_CIPHER_get_name(other
));
1398 #ifndef OPENSSL_NO_EC
1399 case SSL_SECOP_OTHER_CURVE
:
1402 cname
= EC_curve_nid2nist(nid
);
1404 cname
= OBJ_nid2sn(nid
);
1405 BIO_puts(sdb
->out
, cname
);
1409 case SSL_SECOP_OTHER_CERT
:
1412 int sig_nid
= X509_get_signature_nid(other
);
1413 BIO_puts(sdb
->out
, OBJ_nid2sn(sig_nid
));
1415 EVP_PKEY
*pkey
= X509_get0_pubkey(other
);
1416 const char *algname
= "";
1417 EVP_PKEY_asn1_get0_info(NULL
, NULL
, NULL
, NULL
,
1418 &algname
, EVP_PKEY_get0_asn1(pkey
));
1419 BIO_printf(sdb
->out
, "%s, bits=%d",
1420 algname
, EVP_PKEY_bits(pkey
));
1424 case SSL_SECOP_OTHER_SIGALG
:
1426 const unsigned char *salg
= other
;
1427 const char *sname
= NULL
;
1428 int raw_sig_code
= (salg
[0] << 8) + salg
[1]; /* always big endian (msb, lsb) */
1429 /* raw_sig_code: signature_scheme from tls1.3, or signature_and_hash from tls1.2 */
1432 BIO_printf(sdb
->out
, "%s", nm
);
1434 BIO_printf(sdb
->out
, "s_cb.c:security_callback_debug op=0x%x", op
);
1436 sname
= lookup(raw_sig_code
, signature_tls13_scheme_list
, NULL
);
1437 if (sname
!= NULL
) {
1438 BIO_printf(sdb
->out
, " scheme=%s", sname
);
1440 int alg_code
= salg
[1];
1441 int hash_code
= salg
[0];
1442 const char *alg_str
= lookup(alg_code
, signature_tls12_alg_list
, NULL
);
1443 const char *hash_str
= lookup(hash_code
, signature_tls12_hash_list
, NULL
);
1445 if (alg_str
!= NULL
&& hash_str
!= NULL
)
1446 BIO_printf(sdb
->out
, " digest=%s, algorithm=%s", hash_str
, alg_str
);
1448 BIO_printf(sdb
->out
, " scheme=unknown(0x%04x)", raw_sig_code
);
1455 BIO_printf(sdb
->out
, ", security bits=%d", bits
);
1456 BIO_printf(sdb
->out
, ": %s\n", rv
? "yes" : "no");
1460 void ssl_ctx_security_debug(SSL_CTX
*ctx
, int verbose
)
1462 static security_debug_ex sdb
;
1465 sdb
.verbose
= verbose
;
1466 sdb
.old_cb
= SSL_CTX_get_security_callback(ctx
);
1467 SSL_CTX_set_security_callback(ctx
, security_callback_debug
);
1468 SSL_CTX_set0_security_ex_data(ctx
, &sdb
);
1471 static void keylog_callback(const SSL
*ssl
, const char *line
)
1473 if (bio_keylog
== NULL
) {
1474 BIO_printf(bio_err
, "Keylog callback is invoked without valid file!\n");
1479 * There might be concurrent writers to the keylog file, so we must ensure
1480 * that the given line is written at once.
1482 BIO_printf(bio_keylog
, "%s\n", line
);
1483 (void)BIO_flush(bio_keylog
);
1486 int set_keylog_file(SSL_CTX
*ctx
, const char *keylog_file
)
1488 /* Close any open files */
1489 BIO_free_all(bio_keylog
);
1492 if (ctx
== NULL
|| keylog_file
== NULL
) {
1493 /* Keylogging is disabled, OK. */
1498 * Append rather than write in order to allow concurrent modification.
1499 * Furthermore, this preserves existing keylog files which is useful when
1500 * the tool is run multiple times.
1502 bio_keylog
= BIO_new_file(keylog_file
, "a");
1503 if (bio_keylog
== NULL
) {
1504 BIO_printf(bio_err
, "Error writing keylog file %s\n", keylog_file
);
1508 /* Write a header for seekable, empty files (this excludes pipes). */
1509 if (BIO_tell(bio_keylog
) == 0) {
1510 BIO_puts(bio_keylog
,
1511 "# SSL/TLS secrets log file, generated by OpenSSL\n");
1512 (void)BIO_flush(bio_keylog
);
1514 SSL_CTX_set_keylog_callback(ctx
, keylog_callback
);
1518 void print_ca_names(BIO
*bio
, SSL
*s
)
1520 const char *cs
= SSL_is_server(s
) ? "server" : "client";
1521 const STACK_OF(X509_NAME
) *sk
= SSL_get0_peer_CA_list(s
);
1524 if (sk
== NULL
|| sk_X509_NAME_num(sk
) == 0) {
1525 if (!SSL_is_server(s
))
1526 BIO_printf(bio
, "---\nNo %s certificate CA names sent\n", cs
);
1530 BIO_printf(bio
, "---\nAcceptable %s certificate CA names\n",cs
);
1531 for (i
= 0; i
< sk_X509_NAME_num(sk
); i
++) {
1532 X509_NAME_print_ex(bio
, sk_X509_NAME_value(sk
, i
), 0, get_nameopt());
1533 BIO_write(bio
, "\n", 1);