2 * Copyright 1995-2023 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
11 * callback functions used by s_client, s_server, and s_time,
12 * as well as other common logic for those apps
16 #include <string.h> /* for memcpy() and strcmp() */
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>
26 # include <openssl/dh.h>
30 #define COOKIE_SECRET_LENGTH 16
32 VERIFY_CB_ARGS verify_args
= { -1, 0, X509_V_OK
, 0 };
34 #ifndef OPENSSL_NO_SOCK
35 static unsigned char cookie_secret
[COOKIE_SECRET_LENGTH
];
36 static int cookie_initialized
= 0;
38 static BIO
*bio_keylog
= NULL
;
40 static const char *lookup(int val
, const STRINT_PAIR
* list
, const char* def
)
42 for ( ; list
->name
; ++list
)
43 if (list
->retval
== val
)
48 int verify_callback(int ok
, X509_STORE_CTX
*ctx
)
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
);
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
),
63 BIO_puts(bio_err
, "\n");
65 BIO_puts(bio_err
, "<no cert>\n");
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
)
74 verify_args
.error
= err
;
77 verify_args
.error
= X509_V_ERR_CERT_CHAIN_TOO_LONG
;
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
),
86 BIO_puts(bio_err
, "\n");
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");
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");
105 case X509_V_ERR_NO_EXPLICIT_POLICY
:
106 if (!verify_args
.quiet
)
110 if (err
== X509_V_OK
&& ok
== 2 && !verify_args
.quiet
)
112 if (ok
&& !verify_args
.quiet
)
113 BIO_printf(bio_err
, "verify return:%d\n", ok
);
117 int set_cert_stuff(SSL_CTX
*ctx
, char *cert_file
, char *key_file
)
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",
124 ERR_print_errors(bio_err
);
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",
132 ERR_print_errors(bio_err
);
137 * If we are using DSA, we can copy the parameters from the private
142 * Now we know that a key and cert have been set against the SSL
145 if (!SSL_CTX_check_private_key(ctx
)) {
147 "Private key does not match the certificate public key\n");
154 int set_cert_key_stuff(SSL_CTX
*ctx
, X509
*cert
, EVP_PKEY
*key
,
155 STACK_OF(X509
) *chain
, int build_chain
)
157 int chflags
= chain
? SSL_BUILD_CHAIN_FLAG_CHECK
: 0;
161 if (SSL_CTX_use_certificate(ctx
, cert
) <= 0) {
162 BIO_printf(bio_err
, "error setting certificate\n");
163 ERR_print_errors(bio_err
);
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
);
174 * Now we know that a key and cert have been set against the SSL context
176 if (!SSL_CTX_check_private_key(ctx
)) {
178 "Private key does not match the certificate public key\n");
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
);
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
);
194 static 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
},
207 static void ssl_print_client_cert_types(BIO
*bio
, SSL
*s
)
209 const unsigned char *p
;
211 int cert_type_num
= SSL_get0_certificate_types(s
, &p
);
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
);
223 BIO_puts(bio
, cname
);
225 BIO_printf(bio
, "UNKNOWN (%d),", cert_type
);
230 static const char *get_sigtype(int nid
)
236 case EVP_PKEY_RSA_PSS
:
251 case NID_id_GostR3410_2001
:
254 case NID_id_GostR3410_2012_256
:
255 return "gost2012_256";
257 case NID_id_GostR3410_2012_512
:
258 return "gost2012_512";
261 /* Try to output provider-registered sig alg name */
262 return OBJ_nid2sn(nid
);
266 static int do_print_sigalgs(BIO
*out
, SSL
*s
, int shared
)
270 client
= SSL_is_server(s
) ? 0 : 1;
272 nsig
= SSL_get_shared_sigalgs(s
, 0, NULL
, NULL
, NULL
, NULL
, NULL
);
274 nsig
= SSL_get_sigalgs(s
, -1, NULL
, NULL
, NULL
, NULL
, NULL
);
279 BIO_puts(out
, "Shared ");
282 BIO_puts(out
, "Requested ");
283 BIO_puts(out
, "Signature Algorithms: ");
284 for (i
= 0; i
< nsig
; i
++) {
285 int hash_nid
, sign_nid
;
286 unsigned char rhash
, rsign
;
287 const char *sstr
= NULL
;
289 SSL_get_shared_sigalgs(s
, i
, &sign_nid
, &hash_nid
, NULL
,
292 SSL_get_sigalgs(s
, i
, &sign_nid
, &hash_nid
, NULL
, &rsign
, &rhash
);
295 sstr
= get_sigtype(sign_nid
);
297 BIO_printf(out
, "%s", sstr
);
299 BIO_printf(out
, "0x%02X", (int)rsign
);
300 if (hash_nid
!= NID_undef
)
301 BIO_printf(out
, "+%s", OBJ_nid2sn(hash_nid
));
302 else if (sstr
== NULL
)
303 BIO_printf(out
, "+0x%02X", (int)rhash
);
309 int ssl_print_sigalgs(BIO
*out
, SSL
*s
)
313 if (!SSL_is_server(s
))
314 ssl_print_client_cert_types(out
, s
);
315 do_print_sigalgs(out
, s
, 0);
316 do_print_sigalgs(out
, s
, 1);
317 if (SSL_get_peer_signature_nid(s
, &nid
) && nid
!= NID_undef
)
318 BIO_printf(out
, "Peer signing digest: %s\n", OBJ_nid2sn(nid
));
319 if (SSL_get_peer_signature_type_nid(s
, &nid
))
320 BIO_printf(out
, "Peer signature type: %s\n", get_sigtype(nid
));
324 #ifndef OPENSSL_NO_EC
325 int ssl_print_point_formats(BIO
*out
, SSL
*s
)
328 const char *pformats
;
330 nformats
= SSL_get0_ec_point_formats(s
, &pformats
);
333 BIO_puts(out
, "Supported Elliptic Curve Point Formats: ");
334 for (i
= 0; i
< nformats
; i
++, pformats
++) {
338 case TLSEXT_ECPOINTFORMAT_uncompressed
:
339 BIO_puts(out
, "uncompressed");
342 case TLSEXT_ECPOINTFORMAT_ansiX962_compressed_prime
:
343 BIO_puts(out
, "ansiX962_compressed_prime");
346 case TLSEXT_ECPOINTFORMAT_ansiX962_compressed_char2
:
347 BIO_puts(out
, "ansiX962_compressed_char2");
351 BIO_printf(out
, "unknown(%d)", (int)*pformats
);
360 int ssl_print_groups(BIO
*out
, SSL
*s
, int noshared
)
362 int i
, ngroups
, *groups
, nid
;
364 ngroups
= SSL_get1_groups(s
, NULL
);
367 groups
= app_malloc(ngroups
* sizeof(int), "groups to print");
368 SSL_get1_groups(s
, groups
);
370 BIO_puts(out
, "Supported groups: ");
371 for (i
= 0; i
< ngroups
; i
++) {
375 BIO_printf(out
, "%s", SSL_group_to_name(s
, nid
));
377 OPENSSL_free(groups
);
382 BIO_puts(out
, "\nShared groups: ");
383 ngroups
= SSL_get_shared_group(s
, -1);
384 for (i
= 0; i
< ngroups
; i
++) {
387 nid
= SSL_get_shared_group(s
, i
);
388 BIO_printf(out
, "%s", SSL_group_to_name(s
, nid
));
391 BIO_puts(out
, "NONE");
397 int ssl_print_tmp_key(BIO
*out
, SSL
*s
)
401 if (!SSL_get_peer_tmp_key(s
, &key
))
403 BIO_puts(out
, "Server Temp Key: ");
404 switch (EVP_PKEY_get_id(key
)) {
406 BIO_printf(out
, "RSA, %d bits\n", EVP_PKEY_get_bits(key
));
410 BIO_printf(out
, "DH, %d bits\n", EVP_PKEY_get_bits(key
));
412 #ifndef OPENSSL_NO_EC
418 if (!EVP_PKEY_get_utf8_string_param(key
, OSSL_PKEY_PARAM_GROUP_NAME
,
419 name
, sizeof(name
), &name_len
))
421 BIO_printf(out
, "ECDH, %s, %d bits\n", name
, EVP_PKEY_get_bits(key
));
426 BIO_printf(out
, "%s, %d bits\n", OBJ_nid2sn(EVP_PKEY_get_id(key
)),
427 EVP_PKEY_get_bits(key
));
433 long bio_dump_callback(BIO
*bio
, int cmd
, const char *argp
, size_t len
,
434 int argi
, long argl
, int ret
, size_t *processed
)
438 out
= (BIO
*)BIO_get_callback_arg(bio
);
442 if (cmd
== (BIO_CB_READ
| BIO_CB_RETURN
)) {
443 if (ret
> 0 && processed
!= NULL
) {
444 BIO_printf(out
, "read from %p [%p] (%zu bytes => %zu (0x%zX))\n",
445 (void *)bio
, (void *)argp
, len
, *processed
, *processed
);
446 BIO_dump(out
, argp
, (int)*processed
);
448 BIO_printf(out
, "read from %p [%p] (%zu bytes => %d)\n",
449 (void *)bio
, (void *)argp
, len
, ret
);
451 } else if (cmd
== (BIO_CB_WRITE
| BIO_CB_RETURN
)) {
452 if (ret
> 0 && processed
!= NULL
) {
453 BIO_printf(out
, "write to %p [%p] (%zu bytes => %zu (0x%zX))\n",
454 (void *)bio
, (void *)argp
, len
, *processed
, *processed
);
455 BIO_dump(out
, argp
, (int)*processed
);
457 BIO_printf(out
, "write to %p [%p] (%zu bytes => %d)\n",
458 (void *)bio
, (void *)argp
, len
, ret
);
464 void apps_ssl_info_callback(const SSL
*s
, int where
, int ret
)
469 w
= where
& ~SSL_ST_MASK
;
471 if (w
& SSL_ST_CONNECT
)
473 else if (w
& SSL_ST_ACCEPT
)
478 if (where
& SSL_CB_LOOP
) {
479 BIO_printf(bio_err
, "%s:%s\n", str
, SSL_state_string_long(s
));
480 } else if (where
& SSL_CB_ALERT
) {
481 str
= (where
& SSL_CB_READ
) ? "read" : "write";
482 BIO_printf(bio_err
, "SSL3 alert %s:%s:%s\n",
484 SSL_alert_type_string_long(ret
),
485 SSL_alert_desc_string_long(ret
));
486 } else if (where
& SSL_CB_EXIT
) {
488 BIO_printf(bio_err
, "%s:failed in %s\n",
489 str
, SSL_state_string_long(s
));
491 BIO_printf(bio_err
, "%s:error in %s\n",
492 str
, SSL_state_string_long(s
));
496 static STRINT_PAIR ssl_versions
[] = {
497 {"SSL 3.0", SSL3_VERSION
},
498 {"TLS 1.0", TLS1_VERSION
},
499 {"TLS 1.1", TLS1_1_VERSION
},
500 {"TLS 1.2", TLS1_2_VERSION
},
501 {"TLS 1.3", TLS1_3_VERSION
},
502 {"DTLS 1.0", DTLS1_VERSION
},
503 {"DTLS 1.0 (bad)", DTLS1_BAD_VER
},
507 static STRINT_PAIR alert_types
[] = {
508 {" close_notify", 0},
509 {" end_of_early_data", 1},
510 {" unexpected_message", 10},
511 {" bad_record_mac", 20},
512 {" decryption_failed", 21},
513 {" record_overflow", 22},
514 {" decompression_failure", 30},
515 {" handshake_failure", 40},
516 {" bad_certificate", 42},
517 {" unsupported_certificate", 43},
518 {" certificate_revoked", 44},
519 {" certificate_expired", 45},
520 {" certificate_unknown", 46},
521 {" illegal_parameter", 47},
523 {" access_denied", 49},
524 {" decode_error", 50},
525 {" decrypt_error", 51},
526 {" export_restriction", 60},
527 {" protocol_version", 70},
528 {" insufficient_security", 71},
529 {" internal_error", 80},
530 {" inappropriate_fallback", 86},
531 {" user_canceled", 90},
532 {" no_renegotiation", 100},
533 {" missing_extension", 109},
534 {" unsupported_extension", 110},
535 {" certificate_unobtainable", 111},
536 {" unrecognized_name", 112},
537 {" bad_certificate_status_response", 113},
538 {" bad_certificate_hash_value", 114},
539 {" unknown_psk_identity", 115},
540 {" certificate_required", 116},
544 static STRINT_PAIR handshakes
[] = {
545 {", HelloRequest", SSL3_MT_HELLO_REQUEST
},
546 {", ClientHello", SSL3_MT_CLIENT_HELLO
},
547 {", ServerHello", SSL3_MT_SERVER_HELLO
},
548 {", HelloVerifyRequest", DTLS1_MT_HELLO_VERIFY_REQUEST
},
549 {", NewSessionTicket", SSL3_MT_NEWSESSION_TICKET
},
550 {", EndOfEarlyData", SSL3_MT_END_OF_EARLY_DATA
},
551 {", EncryptedExtensions", SSL3_MT_ENCRYPTED_EXTENSIONS
},
552 {", Certificate", SSL3_MT_CERTIFICATE
},
553 {", ServerKeyExchange", SSL3_MT_SERVER_KEY_EXCHANGE
},
554 {", CertificateRequest", SSL3_MT_CERTIFICATE_REQUEST
},
555 {", ServerHelloDone", SSL3_MT_SERVER_DONE
},
556 {", CertificateVerify", SSL3_MT_CERTIFICATE_VERIFY
},
557 {", ClientKeyExchange", SSL3_MT_CLIENT_KEY_EXCHANGE
},
558 {", Finished", SSL3_MT_FINISHED
},
559 {", CertificateUrl", SSL3_MT_CERTIFICATE_URL
},
560 {", CertificateStatus", SSL3_MT_CERTIFICATE_STATUS
},
561 {", SupplementalData", SSL3_MT_SUPPLEMENTAL_DATA
},
562 {", KeyUpdate", SSL3_MT_KEY_UPDATE
},
563 {", CompressedCertificate", SSL3_MT_COMPRESSED_CERTIFICATE
},
564 #ifndef OPENSSL_NO_NEXTPROTONEG
565 {", NextProto", SSL3_MT_NEXT_PROTO
},
567 {", MessageHash", SSL3_MT_MESSAGE_HASH
},
571 void msg_cb(int write_p
, int version
, int content_type
, const void *buf
,
572 size_t len
, SSL
*ssl
, void *arg
)
575 const char *str_write_p
= write_p
? ">>>" : "<<<";
577 const char *str_version
, *str_content_type
= "", *str_details1
= "", *str_details2
= "";
578 const unsigned char* bp
= buf
;
580 if (version
== SSL3_VERSION
||
581 version
== TLS1_VERSION
||
582 version
== TLS1_1_VERSION
||
583 version
== TLS1_2_VERSION
||
584 version
== TLS1_3_VERSION
||
585 version
== DTLS1_VERSION
|| version
== DTLS1_BAD_VER
) {
586 str_version
= lookup(version
, ssl_versions
, "???");
587 switch (content_type
) {
588 case SSL3_RT_CHANGE_CIPHER_SPEC
:
590 str_content_type
= ", ChangeCipherSpec";
594 str_content_type
= ", Alert";
595 str_details1
= ", ???";
599 str_details1
= ", warning";
602 str_details1
= ", fatal";
605 str_details2
= lookup((int)bp
[1], alert_types
, " ???");
608 case SSL3_RT_HANDSHAKE
:
610 str_content_type
= ", Handshake";
611 str_details1
= "???";
613 str_details1
= lookup((int)bp
[0], handshakes
, "???");
615 case SSL3_RT_APPLICATION_DATA
:
617 str_content_type
= ", ApplicationData";
621 str_content_type
= ", RecordHeader";
623 case SSL3_RT_INNER_CONTENT_TYPE
:
625 str_content_type
= ", InnerContent";
628 BIO_snprintf(tmpbuf
, sizeof(tmpbuf
)-1, ", Unknown (content_type=%d)", content_type
);
629 str_content_type
= tmpbuf
;
632 BIO_snprintf(tmpbuf
, sizeof(tmpbuf
)-1, "Not TLS data or unknown version (version=%d, content_type=%d)", version
, content_type
);
633 str_version
= tmpbuf
;
636 BIO_printf(bio
, "%s %s%s [length %04lx]%s%s\n", str_write_p
, str_version
,
637 str_content_type
, (unsigned long)len
, str_details1
,
643 BIO_printf(bio
, " ");
645 for (i
= 0; i
< num
; i
++) {
646 if (i
% 16 == 0 && i
> 0)
647 BIO_printf(bio
, "\n ");
648 BIO_printf(bio
, " %02x", ((const unsigned char *)buf
)[i
]);
651 BIO_printf(bio
, " ...");
652 BIO_printf(bio
, "\n");
654 (void)BIO_flush(bio
);
657 static STRINT_PAIR tlsext_types
[] = {
658 {"server name", TLSEXT_TYPE_server_name
},
659 {"max fragment length", TLSEXT_TYPE_max_fragment_length
},
660 {"client certificate URL", TLSEXT_TYPE_client_certificate_url
},
661 {"trusted CA keys", TLSEXT_TYPE_trusted_ca_keys
},
662 {"truncated HMAC", TLSEXT_TYPE_truncated_hmac
},
663 {"status request", TLSEXT_TYPE_status_request
},
664 {"user mapping", TLSEXT_TYPE_user_mapping
},
665 {"client authz", TLSEXT_TYPE_client_authz
},
666 {"server authz", TLSEXT_TYPE_server_authz
},
667 {"cert type", TLSEXT_TYPE_cert_type
},
668 {"supported_groups", TLSEXT_TYPE_supported_groups
},
669 {"EC point formats", TLSEXT_TYPE_ec_point_formats
},
670 {"SRP", TLSEXT_TYPE_srp
},
671 {"signature algorithms", TLSEXT_TYPE_signature_algorithms
},
672 {"use SRTP", TLSEXT_TYPE_use_srtp
},
673 {"session ticket", TLSEXT_TYPE_session_ticket
},
674 {"renegotiation info", TLSEXT_TYPE_renegotiate
},
675 {"signed certificate timestamps", TLSEXT_TYPE_signed_certificate_timestamp
},
676 {"client cert type", TLSEXT_TYPE_client_cert_type
},
677 {"server cert type", TLSEXT_TYPE_server_cert_type
},
678 {"TLS padding", TLSEXT_TYPE_padding
},
679 #ifdef TLSEXT_TYPE_next_proto_neg
680 {"next protocol", TLSEXT_TYPE_next_proto_neg
},
682 #ifdef TLSEXT_TYPE_encrypt_then_mac
683 {"encrypt-then-mac", TLSEXT_TYPE_encrypt_then_mac
},
685 #ifdef TLSEXT_TYPE_application_layer_protocol_negotiation
686 {"application layer protocol negotiation",
687 TLSEXT_TYPE_application_layer_protocol_negotiation
},
689 #ifdef TLSEXT_TYPE_extended_master_secret
690 {"extended master secret", TLSEXT_TYPE_extended_master_secret
},
692 {"compress certificate", TLSEXT_TYPE_compress_certificate
},
693 {"key share", TLSEXT_TYPE_key_share
},
694 {"supported versions", TLSEXT_TYPE_supported_versions
},
695 {"psk", TLSEXT_TYPE_psk
},
696 {"psk kex modes", TLSEXT_TYPE_psk_kex_modes
},
697 {"certificate authorities", TLSEXT_TYPE_certificate_authorities
},
698 {"post handshake auth", TLSEXT_TYPE_post_handshake_auth
},
702 /* from rfc8446 4.2.3. + gost (https://tools.ietf.org/id/draft-smyshlyaev-tls12-gost-suites-04.html) */
703 static STRINT_PAIR signature_tls13_scheme_list
[] = {
704 {"rsa_pkcs1_sha1", 0x0201 /* TLSEXT_SIGALG_rsa_pkcs1_sha1 */},
705 {"ecdsa_sha1", 0x0203 /* TLSEXT_SIGALG_ecdsa_sha1 */},
706 /* {"rsa_pkcs1_sha224", 0x0301 TLSEXT_SIGALG_rsa_pkcs1_sha224}, not in rfc8446 */
707 /* {"ecdsa_sha224", 0x0303 TLSEXT_SIGALG_ecdsa_sha224} not in rfc8446 */
708 {"rsa_pkcs1_sha256", 0x0401 /* TLSEXT_SIGALG_rsa_pkcs1_sha256 */},
709 {"ecdsa_secp256r1_sha256", 0x0403 /* TLSEXT_SIGALG_ecdsa_secp256r1_sha256 */},
710 {"rsa_pkcs1_sha384", 0x0501 /* TLSEXT_SIGALG_rsa_pkcs1_sha384 */},
711 {"ecdsa_secp384r1_sha384", 0x0503 /* TLSEXT_SIGALG_ecdsa_secp384r1_sha384 */},
712 {"rsa_pkcs1_sha512", 0x0601 /* TLSEXT_SIGALG_rsa_pkcs1_sha512 */},
713 {"ecdsa_secp521r1_sha512", 0x0603 /* TLSEXT_SIGALG_ecdsa_secp521r1_sha512 */},
714 {"rsa_pss_rsae_sha256", 0x0804 /* TLSEXT_SIGALG_rsa_pss_rsae_sha256 */},
715 {"rsa_pss_rsae_sha384", 0x0805 /* TLSEXT_SIGALG_rsa_pss_rsae_sha384 */},
716 {"rsa_pss_rsae_sha512", 0x0806 /* TLSEXT_SIGALG_rsa_pss_rsae_sha512 */},
717 {"ed25519", 0x0807 /* TLSEXT_SIGALG_ed25519 */},
718 {"ed448", 0x0808 /* TLSEXT_SIGALG_ed448 */},
719 {"rsa_pss_pss_sha256", 0x0809 /* TLSEXT_SIGALG_rsa_pss_pss_sha256 */},
720 {"rsa_pss_pss_sha384", 0x080a /* TLSEXT_SIGALG_rsa_pss_pss_sha384 */},
721 {"rsa_pss_pss_sha512", 0x080b /* TLSEXT_SIGALG_rsa_pss_pss_sha512 */},
722 {"gostr34102001", 0xeded /* TLSEXT_SIGALG_gostr34102001_gostr3411 */},
723 {"gostr34102012_256", 0xeeee /* TLSEXT_SIGALG_gostr34102012_256_gostr34112012_256 */},
724 {"gostr34102012_512", 0xefef /* TLSEXT_SIGALG_gostr34102012_512_gostr34112012_512 */},
728 /* from rfc5246 7.4.1.4.1. */
729 static STRINT_PAIR signature_tls12_alg_list
[] = {
730 {"anonymous", TLSEXT_signature_anonymous
/* 0 */},
731 {"RSA", TLSEXT_signature_rsa
/* 1 */},
732 {"DSA", TLSEXT_signature_dsa
/* 2 */},
733 {"ECDSA", TLSEXT_signature_ecdsa
/* 3 */},
737 /* from rfc5246 7.4.1.4.1. */
738 static STRINT_PAIR signature_tls12_hash_list
[] = {
739 {"none", TLSEXT_hash_none
/* 0 */},
740 {"MD5", TLSEXT_hash_md5
/* 1 */},
741 {"SHA1", TLSEXT_hash_sha1
/* 2 */},
742 {"SHA224", TLSEXT_hash_sha224
/* 3 */},
743 {"SHA256", TLSEXT_hash_sha256
/* 4 */},
744 {"SHA384", TLSEXT_hash_sha384
/* 5 */},
745 {"SHA512", TLSEXT_hash_sha512
/* 6 */},
749 void tlsext_cb(SSL
*s
, int client_server
, int type
,
750 const unsigned char *data
, int len
, void *arg
)
753 const char *extname
= lookup(type
, tlsext_types
, "unknown");
755 BIO_printf(bio
, "TLS %s extension \"%s\" (id=%d), len=%d\n",
756 client_server
? "server" : "client", extname
, type
, len
);
757 BIO_dump(bio
, (const char *)data
, len
);
758 (void)BIO_flush(bio
);
761 #ifndef OPENSSL_NO_SOCK
762 int generate_stateless_cookie_callback(SSL
*ssl
, unsigned char *cookie
,
765 unsigned char *buffer
= NULL
;
768 BIO_ADDR
*lpeer
= NULL
, *peer
= NULL
;
771 /* Initialize a random secret */
772 if (!cookie_initialized
) {
773 if (RAND_bytes(cookie_secret
, COOKIE_SECRET_LENGTH
) <= 0) {
774 BIO_printf(bio_err
, "error setting random cookie secret\n");
777 cookie_initialized
= 1;
780 if (SSL_is_dtls(ssl
)) {
781 lpeer
= peer
= BIO_ADDR_new();
783 BIO_printf(bio_err
, "memory full\n");
787 /* Read peer information */
788 (void)BIO_dgram_get_peer(SSL_get_rbio(ssl
), peer
);
793 /* Create buffer with peer's address and port */
794 if (!BIO_ADDR_rawaddress(peer
, NULL
, &length
)) {
795 BIO_printf(bio_err
, "Failed getting peer address\n");
796 BIO_ADDR_free(lpeer
);
799 OPENSSL_assert(length
!= 0);
800 port
= BIO_ADDR_rawport(peer
);
801 length
+= sizeof(port
);
802 buffer
= app_malloc(length
, "cookie generate buffer");
804 memcpy(buffer
, &port
, sizeof(port
));
805 BIO_ADDR_rawaddress(peer
, buffer
+ sizeof(port
), NULL
);
807 if (EVP_Q_mac(NULL
, "HMAC", NULL
, "SHA1", NULL
,
808 cookie_secret
, COOKIE_SECRET_LENGTH
, buffer
, length
,
809 cookie
, DTLS1_COOKIE_LENGTH
, cookie_len
) == NULL
) {
811 "Error calculating HMAC-SHA1 of buffer with secret\n");
816 OPENSSL_free(buffer
);
817 BIO_ADDR_free(lpeer
);
822 int verify_stateless_cookie_callback(SSL
*ssl
, const unsigned char *cookie
,
825 unsigned char result
[EVP_MAX_MD_SIZE
];
828 /* Note: we check cookie_initialized because if it's not,
829 * it cannot be valid */
830 if (cookie_initialized
831 && generate_stateless_cookie_callback(ssl
, result
, &resultlength
)
832 && cookie_len
== resultlength
833 && memcmp(result
, cookie
, resultlength
) == 0)
839 int generate_cookie_callback(SSL
*ssl
, unsigned char *cookie
,
840 unsigned int *cookie_len
)
843 int res
= generate_stateless_cookie_callback(ssl
, cookie
, &temp
);
846 *cookie_len
= (unsigned int)temp
;
850 int verify_cookie_callback(SSL
*ssl
, const unsigned char *cookie
,
851 unsigned int cookie_len
)
853 return verify_stateless_cookie_callback(ssl
, cookie
, cookie_len
);
859 * Example of extended certificate handling. Where the standard support of
860 * one certificate per algorithm is not sufficient an application can decide
861 * which certificate(s) to use at runtime based on whatever criteria it deems
865 /* Linked list of certificates, keys and chains */
866 struct ssl_excert_st
{
868 const char *certfile
;
871 const char *chainfile
;
874 STACK_OF(X509
) *chain
;
876 struct ssl_excert_st
*next
, *prev
;
879 static STRINT_PAIR chain_flags
[] = {
880 {"Overall Validity", CERT_PKEY_VALID
},
881 {"Sign with EE key", CERT_PKEY_SIGN
},
882 {"EE signature", CERT_PKEY_EE_SIGNATURE
},
883 {"CA signature", CERT_PKEY_CA_SIGNATURE
},
884 {"EE key parameters", CERT_PKEY_EE_PARAM
},
885 {"CA key parameters", CERT_PKEY_CA_PARAM
},
886 {"Explicitly sign with EE key", CERT_PKEY_EXPLICIT_SIGN
},
887 {"Issuer Name", CERT_PKEY_ISSUER_NAME
},
888 {"Certificate Type", CERT_PKEY_CERT_TYPE
},
892 static void print_chain_flags(SSL
*s
, int flags
)
896 for (pp
= chain_flags
; pp
->name
; ++pp
)
897 BIO_printf(bio_err
, "\t%s: %s\n",
899 (flags
& pp
->retval
) ? "OK" : "NOT OK");
900 BIO_printf(bio_err
, "\tSuite B: ");
901 if (SSL_set_cert_flags(s
, 0) & SSL_CERT_FLAG_SUITEB_128_LOS
)
902 BIO_puts(bio_err
, flags
& CERT_PKEY_SUITEB
? "OK\n" : "NOT OK\n");
904 BIO_printf(bio_err
, "not tested\n");
908 * Very basic selection callback: just use any certificate chain reported as
909 * valid. More sophisticated could prioritise according to local policy.
911 static int set_cert_cb(SSL
*ssl
, void *arg
)
914 SSL_EXCERT
*exc
= arg
;
915 #ifdef CERT_CB_TEST_RETRY
916 static int retry_cnt
;
921 "Certificate callback retry test: count %d\n",
926 SSL_certs_clear(ssl
);
932 * Go to end of list and traverse backwards since we prepend newer
933 * entries this retains the original order.
935 while (exc
->next
!= NULL
)
940 while (exc
!= NULL
) {
942 rv
= SSL_check_chain(ssl
, exc
->cert
, exc
->key
, exc
->chain
);
943 BIO_printf(bio_err
, "Checking cert chain %d:\nSubject: ", i
);
944 X509_NAME_print_ex(bio_err
, X509_get_subject_name(exc
->cert
), 0,
946 BIO_puts(bio_err
, "\n");
947 print_chain_flags(ssl
, rv
);
948 if (rv
& CERT_PKEY_VALID
) {
949 if (!SSL_use_certificate(ssl
, exc
->cert
)
950 || !SSL_use_PrivateKey(ssl
, exc
->key
)) {
954 * NB: we wouldn't normally do this as it is not efficient
955 * building chains on each connection better to cache the chain
958 if (exc
->build_chain
) {
959 if (!SSL_build_cert_chain(ssl
, 0))
961 } else if (exc
->chain
!= NULL
) {
962 if (!SSL_set1_chain(ssl
, exc
->chain
))
971 void ssl_ctx_set_excert(SSL_CTX
*ctx
, SSL_EXCERT
*exc
)
973 SSL_CTX_set_cert_cb(ctx
, set_cert_cb
, exc
);
976 static int ssl_excert_prepend(SSL_EXCERT
**pexc
)
978 SSL_EXCERT
*exc
= app_malloc(sizeof(*exc
), "prepend cert");
980 memset(exc
, 0, sizeof(*exc
));
986 exc
->certform
= exc
->next
->certform
;
987 exc
->keyform
= exc
->next
->keyform
;
988 exc
->next
->prev
= exc
;
990 exc
->certform
= FORMAT_PEM
;
991 exc
->keyform
= FORMAT_PEM
;
997 void ssl_excert_free(SSL_EXCERT
*exc
)
1004 X509_free(exc
->cert
);
1005 EVP_PKEY_free(exc
->key
);
1006 OSSL_STACK_OF_X509_free(exc
->chain
);
1013 int load_excert(SSL_EXCERT
**pexc
)
1015 SSL_EXCERT
*exc
= *pexc
;
1019 /* If nothing in list, free and set to NULL */
1020 if (exc
->certfile
== NULL
&& exc
->next
== NULL
) {
1021 ssl_excert_free(exc
);
1025 for (; exc
; exc
= exc
->next
) {
1026 if (exc
->certfile
== NULL
) {
1027 BIO_printf(bio_err
, "Missing filename\n");
1030 exc
->cert
= load_cert(exc
->certfile
, exc
->certform
,
1031 "Server Certificate");
1032 if (exc
->cert
== NULL
)
1034 if (exc
->keyfile
!= NULL
) {
1035 exc
->key
= load_key(exc
->keyfile
, exc
->keyform
,
1036 0, NULL
, NULL
, "server key");
1038 exc
->key
= load_key(exc
->certfile
, exc
->certform
,
1039 0, NULL
, NULL
, "server key");
1041 if (exc
->key
== NULL
)
1043 if (exc
->chainfile
!= NULL
) {
1044 if (!load_certs(exc
->chainfile
, 0, &exc
->chain
, NULL
, "server chain"))
1051 enum range
{ OPT_X_ENUM
};
1053 int args_excert(int opt
, SSL_EXCERT
**pexc
)
1055 SSL_EXCERT
*exc
= *pexc
;
1057 assert(opt
> OPT_X__FIRST
);
1058 assert(opt
< OPT_X__LAST
);
1061 if (!ssl_excert_prepend(&exc
)) {
1062 BIO_printf(bio_err
, " %s: Error initialising xcert\n",
1069 switch ((enum range
)opt
) {
1074 if (exc
->certfile
!= NULL
&& !ssl_excert_prepend(&exc
)) {
1075 BIO_printf(bio_err
, "%s: Error adding xcert\n", opt_getprog());
1079 exc
->certfile
= opt_arg();
1082 if (exc
->keyfile
!= NULL
) {
1083 BIO_printf(bio_err
, "%s: Key already specified\n", opt_getprog());
1086 exc
->keyfile
= opt_arg();
1089 if (exc
->chainfile
!= NULL
) {
1090 BIO_printf(bio_err
, "%s: Chain already specified\n",
1094 exc
->chainfile
= opt_arg();
1096 case OPT_X_CHAIN_BUILD
:
1097 exc
->build_chain
= 1;
1099 case OPT_X_CERTFORM
:
1100 if (!opt_format(opt_arg(), OPT_FMT_ANY
, &exc
->certform
))
1104 if (!opt_format(opt_arg(), OPT_FMT_ANY
, &exc
->keyform
))
1111 ERR_print_errors(bio_err
);
1112 ssl_excert_free(exc
);
1117 static void print_raw_cipherlist(SSL
*s
)
1119 const unsigned char *rlist
;
1120 static const unsigned char scsv_id
[] = { 0, 0xFF };
1121 size_t i
, rlistlen
, num
;
1123 if (!SSL_is_server(s
))
1125 num
= SSL_get0_raw_cipherlist(s
, NULL
);
1126 OPENSSL_assert(num
== 2);
1127 rlistlen
= SSL_get0_raw_cipherlist(s
, &rlist
);
1128 BIO_puts(bio_err
, "Client cipher list: ");
1129 for (i
= 0; i
< rlistlen
; i
+= num
, rlist
+= num
) {
1130 const SSL_CIPHER
*c
= SSL_CIPHER_find(s
, rlist
);
1132 BIO_puts(bio_err
, ":");
1134 BIO_puts(bio_err
, SSL_CIPHER_get_name(c
));
1135 } else if (memcmp(rlist
, scsv_id
, num
) == 0) {
1136 BIO_puts(bio_err
, "SCSV");
1139 BIO_puts(bio_err
, "0x");
1140 for (j
= 0; j
< num
; j
++)
1141 BIO_printf(bio_err
, "%02X", rlist
[j
]);
1144 BIO_puts(bio_err
, "\n");
1148 * Hex encoder for TLSA RRdata, not ':' delimited.
1150 static char *hexencode(const unsigned char *data
, size_t len
)
1152 static const char *hex
= "0123456789abcdef";
1155 size_t outlen
= 2 * len
+ 1;
1156 int ilen
= (int) outlen
;
1158 if (outlen
< len
|| ilen
< 0 || outlen
!= (size_t)ilen
) {
1159 BIO_printf(bio_err
, "%s: %zu-byte buffer too large to hexencode\n",
1160 opt_getprog(), len
);
1163 cp
= out
= app_malloc(ilen
, "TLSA hex data buffer");
1166 *cp
++ = hex
[(*data
>> 4) & 0x0f];
1167 *cp
++ = hex
[*data
++ & 0x0f];
1173 void print_verify_detail(SSL
*s
, BIO
*bio
)
1176 EVP_PKEY
*mspki
= NULL
;
1177 long verify_err
= SSL_get_verify_result(s
);
1179 if (verify_err
== X509_V_OK
) {
1180 const char *peername
= SSL_get0_peername(s
);
1182 BIO_printf(bio
, "Verification: OK\n");
1183 if (peername
!= NULL
)
1184 BIO_printf(bio
, "Verified peername: %s\n", peername
);
1186 const char *reason
= X509_verify_cert_error_string(verify_err
);
1188 BIO_printf(bio
, "Verification error: %s\n", reason
);
1191 if ((mdpth
= SSL_get0_dane_authority(s
, NULL
, &mspki
)) >= 0) {
1192 uint8_t usage
, selector
, mtype
;
1193 const unsigned char *data
= NULL
;
1197 mdpth
= SSL_get0_dane_tlsa(s
, &usage
, &selector
, &mtype
, &data
, &dlen
);
1200 * The TLSA data field can be quite long when it is a certificate,
1201 * public key or even a SHA2-512 digest. Because the initial octets of
1202 * ASN.1 certificates and public keys contain mostly boilerplate OIDs
1203 * and lengths, we show the last 12 bytes of the data instead, as these
1204 * are more likely to distinguish distinct TLSA records.
1206 #define TLSA_TAIL_SIZE 12
1207 if (dlen
> TLSA_TAIL_SIZE
)
1208 hexdata
= hexencode(data
+ dlen
- TLSA_TAIL_SIZE
, TLSA_TAIL_SIZE
);
1210 hexdata
= hexencode(data
, dlen
);
1211 BIO_printf(bio
, "DANE TLSA %d %d %d %s%s ",
1212 usage
, selector
, mtype
,
1213 (dlen
> TLSA_TAIL_SIZE
) ? "..." : "", hexdata
);
1214 if (SSL_get0_peer_rpk(s
) == NULL
)
1215 BIO_printf(bio
, "%s certificate at depth %d\n",
1216 (mspki
!= NULL
) ? "signed the peer" :
1217 mdpth
? "matched the TA" : "matched the EE", mdpth
);
1219 BIO_printf(bio
, "matched the peer raw public key\n");
1220 OPENSSL_free(hexdata
);
1224 void print_ssl_summary(SSL
*s
)
1226 const SSL_CIPHER
*c
;
1227 X509
*peer
= SSL_get0_peer_certificate(s
);
1228 EVP_PKEY
*peer_rpk
= SSL_get0_peer_rpk(s
);
1231 BIO_printf(bio_err
, "Protocol version: %s\n", SSL_get_version(s
));
1232 print_raw_cipherlist(s
);
1233 c
= SSL_get_current_cipher(s
);
1234 BIO_printf(bio_err
, "Ciphersuite: %s\n", SSL_CIPHER_get_name(c
));
1235 do_print_sigalgs(bio_err
, s
, 0);
1237 BIO_puts(bio_err
, "Peer certificate: ");
1238 X509_NAME_print_ex(bio_err
, X509_get_subject_name(peer
),
1240 BIO_puts(bio_err
, "\n");
1241 if (SSL_get_peer_signature_nid(s
, &nid
))
1242 BIO_printf(bio_err
, "Hash used: %s\n", OBJ_nid2sn(nid
));
1243 if (SSL_get_peer_signature_type_nid(s
, &nid
))
1244 BIO_printf(bio_err
, "Signature type: %s\n", get_sigtype(nid
));
1245 print_verify_detail(s
, bio_err
);
1246 } else if (peer_rpk
!= NULL
) {
1247 BIO_printf(bio_err
, "Peer used raw public key\n");
1248 if (SSL_get_peer_signature_type_nid(s
, &nid
))
1249 BIO_printf(bio_err
, "Signature type: %s\n", get_sigtype(nid
));
1250 print_verify_detail(s
, bio_err
);
1252 BIO_puts(bio_err
, "No peer certificate or raw public key\n");
1254 #ifndef OPENSSL_NO_EC
1255 ssl_print_point_formats(bio_err
, s
);
1256 if (SSL_is_server(s
))
1257 ssl_print_groups(bio_err
, s
, 1);
1259 ssl_print_tmp_key(bio_err
, s
);
1261 if (!SSL_is_server(s
))
1262 ssl_print_tmp_key(bio_err
, s
);
1266 int config_ctx(SSL_CONF_CTX
*cctx
, STACK_OF(OPENSSL_STRING
) *str
,
1271 SSL_CONF_CTX_set_ssl_ctx(cctx
, ctx
);
1272 for (i
= 0; i
< sk_OPENSSL_STRING_num(str
); i
+= 2) {
1273 const char *flag
= sk_OPENSSL_STRING_value(str
, i
);
1274 const char *arg
= sk_OPENSSL_STRING_value(str
, i
+ 1);
1276 if (SSL_CONF_cmd(cctx
, flag
, arg
) <= 0) {
1277 BIO_printf(bio_err
, "Call to SSL_CONF_cmd(%s, %s) failed\n",
1278 flag
, arg
== NULL
? "<NULL>" : arg
);
1279 ERR_print_errors(bio_err
);
1283 if (!SSL_CONF_CTX_finish(cctx
)) {
1284 BIO_puts(bio_err
, "Error finishing context\n");
1285 ERR_print_errors(bio_err
);
1291 static int add_crls_store(X509_STORE
*st
, STACK_OF(X509_CRL
) *crls
)
1296 for (i
= 0; i
< sk_X509_CRL_num(crls
); i
++) {
1297 crl
= sk_X509_CRL_value(crls
, i
);
1298 if (!X509_STORE_add_crl(st
, crl
))
1304 int ssl_ctx_add_crls(SSL_CTX
*ctx
, STACK_OF(X509_CRL
) *crls
, int crl_download
)
1308 st
= SSL_CTX_get_cert_store(ctx
);
1309 add_crls_store(st
, crls
);
1311 store_setup_crl_download(st
);
1315 int ssl_load_stores(SSL_CTX
*ctx
,
1316 const char *vfyCApath
, const char *vfyCAfile
,
1317 const char *vfyCAstore
,
1318 const char *chCApath
, const char *chCAfile
,
1319 const char *chCAstore
,
1320 STACK_OF(X509_CRL
) *crls
, int crl_download
)
1322 X509_STORE
*vfy
= NULL
, *ch
= NULL
;
1325 if (vfyCApath
!= NULL
|| vfyCAfile
!= NULL
|| vfyCAstore
!= NULL
) {
1326 vfy
= X509_STORE_new();
1329 if (vfyCAfile
!= NULL
&& !X509_STORE_load_file(vfy
, vfyCAfile
))
1331 if (vfyCApath
!= NULL
&& !X509_STORE_load_path(vfy
, vfyCApath
))
1333 if (vfyCAstore
!= NULL
&& !X509_STORE_load_store(vfy
, vfyCAstore
))
1335 add_crls_store(vfy
, crls
);
1336 SSL_CTX_set1_verify_cert_store(ctx
, vfy
);
1338 store_setup_crl_download(vfy
);
1340 if (chCApath
!= NULL
|| chCAfile
!= NULL
|| chCAstore
!= NULL
) {
1341 ch
= X509_STORE_new();
1344 if (chCAfile
!= NULL
&& !X509_STORE_load_file(ch
, chCAfile
))
1346 if (chCApath
!= NULL
&& !X509_STORE_load_path(ch
, chCApath
))
1348 if (chCAstore
!= NULL
&& !X509_STORE_load_store(ch
, chCAstore
))
1350 SSL_CTX_set1_chain_cert_store(ctx
, ch
);
1354 X509_STORE_free(vfy
);
1355 X509_STORE_free(ch
);
1359 /* Verbose print out of security callback */
1364 int (*old_cb
) (const SSL
*s
, const SSL_CTX
*ctx
, int op
, int bits
, int nid
,
1365 void *other
, void *ex
);
1366 } security_debug_ex
;
1368 static STRINT_PAIR callback_types
[] = {
1369 {"Supported Ciphersuite", SSL_SECOP_CIPHER_SUPPORTED
},
1370 {"Shared Ciphersuite", SSL_SECOP_CIPHER_SHARED
},
1371 {"Check Ciphersuite", SSL_SECOP_CIPHER_CHECK
},
1372 #ifndef OPENSSL_NO_DH
1373 {"Temp DH key bits", SSL_SECOP_TMP_DH
},
1375 {"Supported Curve", SSL_SECOP_CURVE_SUPPORTED
},
1376 {"Shared Curve", SSL_SECOP_CURVE_SHARED
},
1377 {"Check Curve", SSL_SECOP_CURVE_CHECK
},
1378 {"Supported Signature Algorithm", SSL_SECOP_SIGALG_SUPPORTED
},
1379 {"Shared Signature Algorithm", SSL_SECOP_SIGALG_SHARED
},
1380 {"Check Signature Algorithm", SSL_SECOP_SIGALG_CHECK
},
1381 {"Signature Algorithm mask", SSL_SECOP_SIGALG_MASK
},
1382 {"Certificate chain EE key", SSL_SECOP_EE_KEY
},
1383 {"Certificate chain CA key", SSL_SECOP_CA_KEY
},
1384 {"Peer Chain EE key", SSL_SECOP_PEER_EE_KEY
},
1385 {"Peer Chain CA key", SSL_SECOP_PEER_CA_KEY
},
1386 {"Certificate chain CA digest", SSL_SECOP_CA_MD
},
1387 {"Peer chain CA digest", SSL_SECOP_PEER_CA_MD
},
1388 {"SSL compression", SSL_SECOP_COMPRESSION
},
1389 {"Session ticket", SSL_SECOP_TICKET
},
1393 static int security_callback_debug(const SSL
*s
, const SSL_CTX
*ctx
,
1394 int op
, int bits
, int nid
,
1395 void *other
, void *ex
)
1397 security_debug_ex
*sdb
= ex
;
1398 int rv
, show_bits
= 1, cert_md
= 0;
1402 rv
= sdb
->old_cb(s
, ctx
, op
, bits
, nid
, other
, ex
);
1403 if (rv
== 1 && sdb
->verbose
< 2)
1405 BIO_puts(sdb
->out
, "Security callback: ");
1407 nm
= lookup(op
, callback_types
, NULL
);
1408 show_nm
= nm
!= NULL
;
1410 case SSL_SECOP_TICKET
:
1411 case SSL_SECOP_COMPRESSION
:
1415 case SSL_SECOP_VERSION
:
1416 BIO_printf(sdb
->out
, "Version=%s", lookup(nid
, ssl_versions
, "???"));
1420 case SSL_SECOP_CA_MD
:
1421 case SSL_SECOP_PEER_CA_MD
:
1424 case SSL_SECOP_SIGALG_SUPPORTED
:
1425 case SSL_SECOP_SIGALG_SHARED
:
1426 case SSL_SECOP_SIGALG_CHECK
:
1427 case SSL_SECOP_SIGALG_MASK
:
1432 BIO_printf(sdb
->out
, "%s=", nm
);
1434 switch (op
& SSL_SECOP_OTHER_TYPE
) {
1436 case SSL_SECOP_OTHER_CIPHER
:
1437 BIO_puts(sdb
->out
, SSL_CIPHER_get_name(other
));
1440 #ifndef OPENSSL_NO_EC
1441 case SSL_SECOP_OTHER_CURVE
:
1444 cname
= EC_curve_nid2nist(nid
);
1446 cname
= OBJ_nid2sn(nid
);
1447 BIO_puts(sdb
->out
, cname
);
1451 case SSL_SECOP_OTHER_CERT
:
1454 int sig_nid
= X509_get_signature_nid(other
);
1456 BIO_puts(sdb
->out
, OBJ_nid2sn(sig_nid
));
1458 EVP_PKEY
*pkey
= X509_get0_pubkey(other
);
1461 BIO_printf(sdb
->out
, "Public key missing");
1463 const char *algname
= "";
1465 EVP_PKEY_asn1_get0_info(NULL
, NULL
, NULL
, NULL
,
1466 &algname
, EVP_PKEY_get0_asn1(pkey
));
1467 BIO_printf(sdb
->out
, "%s, bits=%d",
1468 algname
, EVP_PKEY_get_bits(pkey
));
1473 case SSL_SECOP_OTHER_SIGALG
:
1475 const unsigned char *salg
= other
;
1476 const char *sname
= NULL
;
1477 int raw_sig_code
= (salg
[0] << 8) + salg
[1]; /* always big endian (msb, lsb) */
1478 /* raw_sig_code: signature_scheme from tls1.3, or signature_and_hash from tls1.2 */
1481 BIO_printf(sdb
->out
, "%s", nm
);
1483 BIO_printf(sdb
->out
, "s_cb.c:security_callback_debug op=0x%x", op
);
1485 sname
= lookup(raw_sig_code
, signature_tls13_scheme_list
, NULL
);
1486 if (sname
!= NULL
) {
1487 BIO_printf(sdb
->out
, " scheme=%s", sname
);
1489 int alg_code
= salg
[1];
1490 int hash_code
= salg
[0];
1491 const char *alg_str
= lookup(alg_code
, signature_tls12_alg_list
, NULL
);
1492 const char *hash_str
= lookup(hash_code
, signature_tls12_hash_list
, NULL
);
1494 if (alg_str
!= NULL
&& hash_str
!= NULL
)
1495 BIO_printf(sdb
->out
, " digest=%s, algorithm=%s", hash_str
, alg_str
);
1497 BIO_printf(sdb
->out
, " scheme=unknown(0x%04x)", raw_sig_code
);
1504 BIO_printf(sdb
->out
, ", security bits=%d", bits
);
1505 BIO_printf(sdb
->out
, ": %s\n", rv
? "yes" : "no");
1509 void ssl_ctx_security_debug(SSL_CTX
*ctx
, int verbose
)
1511 static security_debug_ex sdb
;
1514 sdb
.verbose
= verbose
;
1515 sdb
.old_cb
= SSL_CTX_get_security_callback(ctx
);
1516 SSL_CTX_set_security_callback(ctx
, security_callback_debug
);
1517 SSL_CTX_set0_security_ex_data(ctx
, &sdb
);
1520 static void keylog_callback(const SSL
*ssl
, const char *line
)
1522 if (bio_keylog
== NULL
) {
1523 BIO_printf(bio_err
, "Keylog callback is invoked without valid file!\n");
1528 * There might be concurrent writers to the keylog file, so we must ensure
1529 * that the given line is written at once.
1531 BIO_printf(bio_keylog
, "%s\n", line
);
1532 (void)BIO_flush(bio_keylog
);
1535 int set_keylog_file(SSL_CTX
*ctx
, const char *keylog_file
)
1537 /* Close any open files */
1538 BIO_free_all(bio_keylog
);
1541 if (ctx
== NULL
|| keylog_file
== NULL
) {
1542 /* Keylogging is disabled, OK. */
1547 * Append rather than write in order to allow concurrent modification.
1548 * Furthermore, this preserves existing keylog files which is useful when
1549 * the tool is run multiple times.
1551 bio_keylog
= BIO_new_file(keylog_file
, "a");
1552 if (bio_keylog
== NULL
) {
1553 BIO_printf(bio_err
, "Error writing keylog file %s\n", keylog_file
);
1557 /* Write a header for seekable, empty files (this excludes pipes). */
1558 if (BIO_tell(bio_keylog
) == 0) {
1559 BIO_puts(bio_keylog
,
1560 "# SSL/TLS secrets log file, generated by OpenSSL\n");
1561 (void)BIO_flush(bio_keylog
);
1563 SSL_CTX_set_keylog_callback(ctx
, keylog_callback
);
1567 void print_ca_names(BIO
*bio
, SSL
*s
)
1569 const char *cs
= SSL_is_server(s
) ? "server" : "client";
1570 const STACK_OF(X509_NAME
) *sk
= SSL_get0_peer_CA_list(s
);
1573 if (sk
== NULL
|| sk_X509_NAME_num(sk
) == 0) {
1574 if (!SSL_is_server(s
))
1575 BIO_printf(bio
, "---\nNo %s certificate CA names sent\n", cs
);
1579 BIO_printf(bio
, "---\nAcceptable %s certificate CA names\n", cs
);
1580 for (i
= 0; i
< sk_X509_NAME_num(sk
); i
++) {
1581 X509_NAME_print_ex(bio
, sk_X509_NAME_value(sk
, i
), 0, get_nameopt());
1582 BIO_write(bio
, "\n", 1);
1586 void ssl_print_secure_renegotiation_notes(BIO
*bio
, SSL
*s
)
1588 if (SSL_VERSION_ALLOWS_RENEGOTIATION(s
)) {
1589 BIO_printf(bio
, "Secure Renegotiation IS%s supported\n",
1590 SSL_get_secure_renegotiation_support(s
) ? "" : " NOT");
1592 BIO_printf(bio
, "This TLS version forbids renegotiation.\n");
1596 int progress_cb(EVP_PKEY_CTX
*ctx
)
1598 BIO
*b
= EVP_PKEY_CTX_get_app_data(ctx
);
1599 int p
= EVP_PKEY_CTX_get_keygen_info(ctx
, 0);
1600 static const char symbols
[] = ".+*\n";
1601 char c
= (p
>= 0 && (size_t)p
<= sizeof(symbols
) - 1) ? symbols
[p
] : '?';
1603 BIO_write(b
, &c
, 1);