2 * Copyright 1995-2018 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/err.h>
16 #include <openssl/rand.h>
17 #include <openssl/x509.h>
18 #include <openssl/ssl.h>
19 #include <openssl/bn.h>
21 # include <openssl/dh.h>
25 #define COOKIE_SECRET_LENGTH 16
27 VERIFY_CB_ARGS verify_args
= { -1, 0, X509_V_OK
, 0 };
29 #ifndef OPENSSL_NO_SOCK
30 static unsigned char cookie_secret
[COOKIE_SECRET_LENGTH
];
31 static int cookie_initialized
= 0;
33 static BIO
*bio_keylog
= NULL
;
35 static const char *lookup(int val
, const STRINT_PAIR
* list
, const char* def
)
37 for ( ; list
->name
; ++list
)
38 if (list
->retval
== val
)
43 int verify_callback(int ok
, X509_STORE_CTX
*ctx
)
48 err_cert
= X509_STORE_CTX_get_current_cert(ctx
);
49 err
= X509_STORE_CTX_get_error(ctx
);
50 depth
= X509_STORE_CTX_get_error_depth(ctx
);
52 if (!verify_args
.quiet
|| !ok
) {
53 BIO_printf(bio_err
, "depth=%d ", depth
);
54 if (err_cert
!= NULL
) {
55 X509_NAME_print_ex(bio_err
,
56 X509_get_subject_name(err_cert
),
58 BIO_puts(bio_err
, "\n");
60 BIO_puts(bio_err
, "<no cert>\n");
64 BIO_printf(bio_err
, "verify error:num=%d:%s\n", err
,
65 X509_verify_cert_error_string(err
));
66 if (verify_args
.depth
< 0 || verify_args
.depth
>= depth
) {
67 if (!verify_args
.return_error
)
69 verify_args
.error
= err
;
72 verify_args
.error
= X509_V_ERR_CERT_CHAIN_TOO_LONG
;
76 case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT
:
77 BIO_puts(bio_err
, "issuer= ");
78 X509_NAME_print_ex(bio_err
, X509_get_issuer_name(err_cert
),
80 BIO_puts(bio_err
, "\n");
82 case X509_V_ERR_CERT_NOT_YET_VALID
:
83 case X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD
:
84 BIO_printf(bio_err
, "notBefore=");
85 ASN1_TIME_print(bio_err
, X509_get0_notBefore(err_cert
));
86 BIO_printf(bio_err
, "\n");
88 case X509_V_ERR_CERT_HAS_EXPIRED
:
89 case X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD
:
90 BIO_printf(bio_err
, "notAfter=");
91 ASN1_TIME_print(bio_err
, X509_get0_notAfter(err_cert
));
92 BIO_printf(bio_err
, "\n");
94 case X509_V_ERR_NO_EXPLICIT_POLICY
:
95 if (!verify_args
.quiet
)
99 if (err
== X509_V_OK
&& ok
== 2 && !verify_args
.quiet
)
101 if (ok
&& !verify_args
.quiet
)
102 BIO_printf(bio_err
, "verify return:%d\n", ok
);
106 int set_cert_stuff(SSL_CTX
*ctx
, char *cert_file
, char *key_file
)
108 if (cert_file
!= NULL
) {
109 if (SSL_CTX_use_certificate_file(ctx
, cert_file
,
110 SSL_FILETYPE_PEM
) <= 0) {
111 BIO_printf(bio_err
, "unable to get certificate from '%s'\n",
113 ERR_print_errors(bio_err
);
116 if (key_file
== NULL
)
117 key_file
= cert_file
;
118 if (SSL_CTX_use_PrivateKey_file(ctx
, key_file
, SSL_FILETYPE_PEM
) <= 0) {
119 BIO_printf(bio_err
, "unable to get private key from '%s'\n",
121 ERR_print_errors(bio_err
);
126 * If we are using DSA, we can copy the parameters from the private
131 * Now we know that a key and cert have been set against the SSL
134 if (!SSL_CTX_check_private_key(ctx
)) {
136 "Private key does not match the certificate public key\n");
143 int set_cert_key_stuff(SSL_CTX
*ctx
, X509
*cert
, EVP_PKEY
*key
,
144 STACK_OF(X509
) *chain
, int build_chain
)
146 int chflags
= chain
? SSL_BUILD_CHAIN_FLAG_CHECK
: 0;
149 if (SSL_CTX_use_certificate(ctx
, cert
) <= 0) {
150 BIO_printf(bio_err
, "error setting certificate\n");
151 ERR_print_errors(bio_err
);
155 if (SSL_CTX_use_PrivateKey(ctx
, key
) <= 0) {
156 BIO_printf(bio_err
, "error setting private key\n");
157 ERR_print_errors(bio_err
);
162 * Now we know that a key and cert have been set against the SSL context
164 if (!SSL_CTX_check_private_key(ctx
)) {
166 "Private key does not match the certificate public key\n");
169 if (chain
&& !SSL_CTX_set1_chain(ctx
, chain
)) {
170 BIO_printf(bio_err
, "error setting certificate chain\n");
171 ERR_print_errors(bio_err
);
174 if (build_chain
&& !SSL_CTX_build_cert_chain(ctx
, chflags
)) {
175 BIO_printf(bio_err
, "error building certificate chain\n");
176 ERR_print_errors(bio_err
);
182 static STRINT_PAIR cert_type_list
[] = {
183 {"RSA sign", TLS_CT_RSA_SIGN
},
184 {"DSA sign", TLS_CT_DSS_SIGN
},
185 {"RSA fixed DH", TLS_CT_RSA_FIXED_DH
},
186 {"DSS fixed DH", TLS_CT_DSS_FIXED_DH
},
187 {"ECDSA sign", TLS_CT_ECDSA_SIGN
},
188 {"RSA fixed ECDH", TLS_CT_RSA_FIXED_ECDH
},
189 {"ECDSA fixed ECDH", TLS_CT_ECDSA_FIXED_ECDH
},
190 {"GOST01 Sign", TLS_CT_GOST01_SIGN
},
194 static void ssl_print_client_cert_types(BIO
*bio
, SSL
*s
)
196 const unsigned char *p
;
198 int cert_type_num
= SSL_get0_certificate_types(s
, &p
);
201 BIO_puts(bio
, "Client Certificate Types: ");
202 for (i
= 0; i
< cert_type_num
; i
++) {
203 unsigned char cert_type
= p
[i
];
204 const char *cname
= lookup((int)cert_type
, cert_type_list
, NULL
);
209 BIO_puts(bio
, cname
);
211 BIO_printf(bio
, "UNKNOWN (%d),", cert_type
);
216 static const char *get_sigtype(int nid
)
222 case EVP_PKEY_RSA_PSS
:
237 case NID_id_GostR3410_2001
:
240 case NID_id_GostR3410_2012_256
:
241 return "gost2012_256";
243 case NID_id_GostR3410_2012_512
:
244 return "gost2012_512";
251 static int do_print_sigalgs(BIO
*out
, SSL
*s
, int shared
)
254 client
= SSL_is_server(s
) ? 0 : 1;
256 nsig
= SSL_get_shared_sigalgs(s
, 0, NULL
, NULL
, NULL
, NULL
, NULL
);
258 nsig
= SSL_get_sigalgs(s
, -1, NULL
, NULL
, NULL
, NULL
, NULL
);
263 BIO_puts(out
, "Shared ");
266 BIO_puts(out
, "Requested ");
267 BIO_puts(out
, "Signature Algorithms: ");
268 for (i
= 0; i
< nsig
; i
++) {
269 int hash_nid
, sign_nid
;
270 unsigned char rhash
, rsign
;
271 const char *sstr
= NULL
;
273 SSL_get_shared_sigalgs(s
, i
, &sign_nid
, &hash_nid
, NULL
,
276 SSL_get_sigalgs(s
, i
, &sign_nid
, &hash_nid
, NULL
, &rsign
, &rhash
);
279 sstr
= get_sigtype(sign_nid
);
281 BIO_printf(out
, "%s", sstr
);
283 BIO_printf(out
, "0x%02X", (int)rsign
);
284 if (hash_nid
!= NID_undef
)
285 BIO_printf(out
, "+%s", OBJ_nid2sn(hash_nid
));
286 else if (sstr
== NULL
)
287 BIO_printf(out
, "+0x%02X", (int)rhash
);
293 int ssl_print_sigalgs(BIO
*out
, SSL
*s
)
296 if (!SSL_is_server(s
))
297 ssl_print_client_cert_types(out
, s
);
298 do_print_sigalgs(out
, s
, 0);
299 do_print_sigalgs(out
, s
, 1);
300 if (SSL_get_peer_signature_nid(s
, &nid
) && nid
!= NID_undef
)
301 BIO_printf(out
, "Peer signing digest: %s\n", OBJ_nid2sn(nid
));
302 if (SSL_get_peer_signature_type_nid(s
, &nid
))
303 BIO_printf(out
, "Peer signature type: %s\n", get_sigtype(nid
));
307 #ifndef OPENSSL_NO_EC
308 int ssl_print_point_formats(BIO
*out
, SSL
*s
)
311 const char *pformats
;
312 nformats
= SSL_get0_ec_point_formats(s
, &pformats
);
315 BIO_puts(out
, "Supported Elliptic Curve Point Formats: ");
316 for (i
= 0; i
< nformats
; i
++, pformats
++) {
320 case TLSEXT_ECPOINTFORMAT_uncompressed
:
321 BIO_puts(out
, "uncompressed");
324 case TLSEXT_ECPOINTFORMAT_ansiX962_compressed_prime
:
325 BIO_puts(out
, "ansiX962_compressed_prime");
328 case TLSEXT_ECPOINTFORMAT_ansiX962_compressed_char2
:
329 BIO_puts(out
, "ansiX962_compressed_char2");
333 BIO_printf(out
, "unknown(%d)", (int)*pformats
);
342 int ssl_print_groups(BIO
*out
, SSL
*s
, int noshared
)
344 int i
, ngroups
, *groups
, nid
;
347 ngroups
= SSL_get1_groups(s
, NULL
);
350 groups
= app_malloc(ngroups
* sizeof(int), "groups to print");
351 SSL_get1_groups(s
, groups
);
353 BIO_puts(out
, "Supported Elliptic Groups: ");
354 for (i
= 0; i
< ngroups
; i
++) {
358 /* If unrecognised print out hex version */
359 if (nid
& TLSEXT_nid_unknown
) {
360 BIO_printf(out
, "0x%04X", nid
& 0xFFFF);
362 /* TODO(TLS1.3): Get group name here */
363 /* Use NIST name for curve if it exists */
364 gname
= EC_curve_nid2nist(nid
);
366 gname
= OBJ_nid2sn(nid
);
367 BIO_printf(out
, "%s", gname
);
370 OPENSSL_free(groups
);
375 BIO_puts(out
, "\nShared Elliptic groups: ");
376 ngroups
= SSL_get_shared_group(s
, -1);
377 for (i
= 0; i
< ngroups
; i
++) {
380 nid
= SSL_get_shared_group(s
, i
);
381 /* TODO(TLS1.3): Convert for DH groups */
382 gname
= EC_curve_nid2nist(nid
);
384 gname
= OBJ_nid2sn(nid
);
385 BIO_printf(out
, "%s", gname
);
388 BIO_puts(out
, "NONE");
394 int ssl_print_tmp_key(BIO
*out
, SSL
*s
)
398 if (!SSL_get_peer_tmp_key(s
, &key
))
400 BIO_puts(out
, "Server Temp Key: ");
401 switch (EVP_PKEY_id(key
)) {
403 BIO_printf(out
, "RSA, %d bits\n", EVP_PKEY_bits(key
));
407 BIO_printf(out
, "DH, %d bits\n", EVP_PKEY_bits(key
));
409 #ifndef OPENSSL_NO_EC
412 EC_KEY
*ec
= EVP_PKEY_get1_EC_KEY(key
);
415 nid
= EC_GROUP_get_curve_name(EC_KEY_get0_group(ec
));
417 cname
= EC_curve_nid2nist(nid
);
419 cname
= OBJ_nid2sn(nid
);
420 BIO_printf(out
, "ECDH, %s, %d bits\n", cname
, EVP_PKEY_bits(key
));
425 BIO_printf(out
, "%s, %d bits\n", OBJ_nid2sn(EVP_PKEY_id(key
)),
432 long bio_dump_callback(BIO
*bio
, int cmd
, const char *argp
,
433 int argi
, long argl
, long ret
)
437 out
= (BIO
*)BIO_get_callback_arg(bio
);
441 if (cmd
== (BIO_CB_READ
| BIO_CB_RETURN
)) {
442 BIO_printf(out
, "read from %p [%p] (%lu bytes => %ld (0x%lX))\n",
443 (void *)bio
, (void *)argp
, (unsigned long)argi
, ret
, ret
);
444 BIO_dump(out
, argp
, (int)ret
);
446 } else if (cmd
== (BIO_CB_WRITE
| BIO_CB_RETURN
)) {
447 BIO_printf(out
, "write to %p [%p] (%lu bytes => %ld (0x%lX))\n",
448 (void *)bio
, (void *)argp
, (unsigned long)argi
, ret
, ret
);
449 BIO_dump(out
, argp
, (int)ret
);
454 void apps_ssl_info_callback(const SSL
*s
, int where
, int ret
)
459 w
= where
& ~SSL_ST_MASK
;
461 if (w
& SSL_ST_CONNECT
)
463 else if (w
& SSL_ST_ACCEPT
)
468 if (where
& SSL_CB_LOOP
) {
469 BIO_printf(bio_err
, "%s:%s\n", str
, SSL_state_string_long(s
));
470 } else if (where
& SSL_CB_ALERT
) {
471 str
= (where
& SSL_CB_READ
) ? "read" : "write";
472 BIO_printf(bio_err
, "SSL3 alert %s:%s:%s\n",
474 SSL_alert_type_string_long(ret
),
475 SSL_alert_desc_string_long(ret
));
476 } else if (where
& SSL_CB_EXIT
) {
478 BIO_printf(bio_err
, "%s:failed in %s\n",
479 str
, SSL_state_string_long(s
));
481 BIO_printf(bio_err
, "%s:error in %s\n",
482 str
, SSL_state_string_long(s
));
486 static STRINT_PAIR ssl_versions
[] = {
487 {"SSL 3.0", SSL3_VERSION
},
488 {"TLS 1.0", TLS1_VERSION
},
489 {"TLS 1.1", TLS1_1_VERSION
},
490 {"TLS 1.2", TLS1_2_VERSION
},
491 {"TLS 1.3", TLS1_3_VERSION
},
492 {"DTLS 1.0", DTLS1_VERSION
},
493 {"DTLS 1.0 (bad)", DTLS1_BAD_VER
},
497 static STRINT_PAIR alert_types
[] = {
498 {" close_notify", 0},
499 {" end_of_early_data", 1},
500 {" unexpected_message", 10},
501 {" bad_record_mac", 20},
502 {" decryption_failed", 21},
503 {" record_overflow", 22},
504 {" decompression_failure", 30},
505 {" handshake_failure", 40},
506 {" bad_certificate", 42},
507 {" unsupported_certificate", 43},
508 {" certificate_revoked", 44},
509 {" certificate_expired", 45},
510 {" certificate_unknown", 46},
511 {" illegal_parameter", 47},
513 {" access_denied", 49},
514 {" decode_error", 50},
515 {" decrypt_error", 51},
516 {" export_restriction", 60},
517 {" protocol_version", 70},
518 {" insufficient_security", 71},
519 {" internal_error", 80},
520 {" inappropriate_fallback", 86},
521 {" user_canceled", 90},
522 {" no_renegotiation", 100},
523 {" missing_extension", 109},
524 {" unsupported_extension", 110},
525 {" certificate_unobtainable", 111},
526 {" unrecognized_name", 112},
527 {" bad_certificate_status_response", 113},
528 {" bad_certificate_hash_value", 114},
529 {" unknown_psk_identity", 115},
530 {" certificate_required", 116},
534 static STRINT_PAIR handshakes
[] = {
535 {", HelloRequest", SSL3_MT_HELLO_REQUEST
},
536 {", ClientHello", SSL3_MT_CLIENT_HELLO
},
537 {", ServerHello", SSL3_MT_SERVER_HELLO
},
538 {", HelloVerifyRequest", DTLS1_MT_HELLO_VERIFY_REQUEST
},
539 {", NewSessionTicket", SSL3_MT_NEWSESSION_TICKET
},
540 {", EndOfEarlyData", SSL3_MT_END_OF_EARLY_DATA
},
541 {", EncryptedExtensions", SSL3_MT_ENCRYPTED_EXTENSIONS
},
542 {", Certificate", SSL3_MT_CERTIFICATE
},
543 {", ServerKeyExchange", SSL3_MT_SERVER_KEY_EXCHANGE
},
544 {", CertificateRequest", SSL3_MT_CERTIFICATE_REQUEST
},
545 {", ServerHelloDone", SSL3_MT_SERVER_DONE
},
546 {", CertificateVerify", SSL3_MT_CERTIFICATE_VERIFY
},
547 {", ClientKeyExchange", SSL3_MT_CLIENT_KEY_EXCHANGE
},
548 {", Finished", SSL3_MT_FINISHED
},
549 {", CertificateUrl", SSL3_MT_CERTIFICATE_URL
},
550 {", CertificateStatus", SSL3_MT_CERTIFICATE_STATUS
},
551 {", SupplementalData", SSL3_MT_SUPPLEMENTAL_DATA
},
552 {", KeyUpdate", SSL3_MT_KEY_UPDATE
},
553 #ifndef OPENSSL_NO_NEXTPROTONEG
554 {", NextProto", SSL3_MT_NEXT_PROTO
},
556 {", MessageHash", SSL3_MT_MESSAGE_HASH
},
560 void msg_cb(int write_p
, int version
, int content_type
, const void *buf
,
561 size_t len
, SSL
*ssl
, void *arg
)
564 const char *str_write_p
= write_p
? ">>>" : "<<<";
565 const char *str_version
= lookup(version
, ssl_versions
, "???");
566 const char *str_content_type
= "", *str_details1
= "", *str_details2
= "";
567 const unsigned char* bp
= buf
;
569 if (version
== SSL3_VERSION
||
570 version
== TLS1_VERSION
||
571 version
== TLS1_1_VERSION
||
572 version
== TLS1_2_VERSION
||
573 version
== TLS1_3_VERSION
||
574 version
== DTLS1_VERSION
|| version
== DTLS1_BAD_VER
) {
575 switch (content_type
) {
577 str_content_type
= ", ChangeCipherSpec";
580 str_content_type
= ", Alert";
581 str_details1
= ", ???";
585 str_details1
= ", warning";
588 str_details1
= ", fatal";
591 str_details2
= lookup((int)bp
[1], alert_types
, " ???");
595 str_content_type
= ", Handshake";
596 str_details1
= "???";
598 str_details1
= lookup((int)bp
[0], handshakes
, "???");
601 str_content_type
= ", ApplicationData";
606 BIO_printf(bio
, "%s %s%s [length %04lx]%s%s\n", str_write_p
, str_version
,
607 str_content_type
, (unsigned long)len
, str_details1
,
613 BIO_printf(bio
, " ");
615 for (i
= 0; i
< num
; i
++) {
616 if (i
% 16 == 0 && i
> 0)
617 BIO_printf(bio
, "\n ");
618 BIO_printf(bio
, " %02x", ((const unsigned char *)buf
)[i
]);
621 BIO_printf(bio
, " ...");
622 BIO_printf(bio
, "\n");
624 (void)BIO_flush(bio
);
627 static STRINT_PAIR tlsext_types
[] = {
628 {"server name", TLSEXT_TYPE_server_name
},
629 {"max fragment length", TLSEXT_TYPE_max_fragment_length
},
630 {"client certificate URL", TLSEXT_TYPE_client_certificate_url
},
631 {"trusted CA keys", TLSEXT_TYPE_trusted_ca_keys
},
632 {"truncated HMAC", TLSEXT_TYPE_truncated_hmac
},
633 {"status request", TLSEXT_TYPE_status_request
},
634 {"user mapping", TLSEXT_TYPE_user_mapping
},
635 {"client authz", TLSEXT_TYPE_client_authz
},
636 {"server authz", TLSEXT_TYPE_server_authz
},
637 {"cert type", TLSEXT_TYPE_cert_type
},
638 {"supported_groups", TLSEXT_TYPE_supported_groups
},
639 {"EC point formats", TLSEXT_TYPE_ec_point_formats
},
640 {"SRP", TLSEXT_TYPE_srp
},
641 {"signature algorithms", TLSEXT_TYPE_signature_algorithms
},
642 {"use SRTP", TLSEXT_TYPE_use_srtp
},
643 {"session ticket", TLSEXT_TYPE_session_ticket
},
644 {"renegotiation info", TLSEXT_TYPE_renegotiate
},
645 {"signed certificate timestamps", TLSEXT_TYPE_signed_certificate_timestamp
},
646 {"TLS padding", TLSEXT_TYPE_padding
},
647 #ifdef TLSEXT_TYPE_next_proto_neg
648 {"next protocol", TLSEXT_TYPE_next_proto_neg
},
650 #ifdef TLSEXT_TYPE_encrypt_then_mac
651 {"encrypt-then-mac", TLSEXT_TYPE_encrypt_then_mac
},
653 #ifdef TLSEXT_TYPE_application_layer_protocol_negotiation
654 {"application layer protocol negotiation",
655 TLSEXT_TYPE_application_layer_protocol_negotiation
},
657 #ifdef TLSEXT_TYPE_extended_master_secret
658 {"extended master secret", TLSEXT_TYPE_extended_master_secret
},
660 {"key share", TLSEXT_TYPE_key_share
},
661 {"supported versions", TLSEXT_TYPE_supported_versions
},
662 {"psk", TLSEXT_TYPE_psk
},
663 {"psk kex modes", TLSEXT_TYPE_psk_kex_modes
},
664 {"certificate authorities", TLSEXT_TYPE_certificate_authorities
},
665 {"post handshake auth", TLSEXT_TYPE_post_handshake_auth
},
669 /* from rfc8446 4.2.3. + gost (https://tools.ietf.org/id/draft-smyshlyaev-tls12-gost-suites-04.html) */
670 static STRINT_PAIR signature_tls13_scheme_list
[] = {
671 {"rsa_pkcs1_sha1", 0x0201 /* TLSEXT_SIGALG_rsa_pkcs1_sha1 */},
672 {"ecdsa_sha1", 0x0203 /* TLSEXT_SIGALG_ecdsa_sha1 */},
673 /* {"rsa_pkcs1_sha224", 0x0301 TLSEXT_SIGALG_rsa_pkcs1_sha224}, not in rfc8446 */
674 /* {"ecdsa_sha224", 0x0303 TLSEXT_SIGALG_ecdsa_sha224} not in rfc8446 */
675 {"rsa_pkcs1_sha256", 0x0401 /* TLSEXT_SIGALG_rsa_pkcs1_sha256 */},
676 {"ecdsa_secp256r1_sha256", 0x0403 /* TLSEXT_SIGALG_ecdsa_secp256r1_sha256 */},
677 {"rsa_pkcs1_sha384", 0x0501 /* TLSEXT_SIGALG_rsa_pkcs1_sha384 */},
678 {"ecdsa_secp384r1_sha384", 0x0503 /* TLSEXT_SIGALG_ecdsa_secp384r1_sha384 */},
679 {"rsa_pkcs1_sha512", 0x0601 /* TLSEXT_SIGALG_rsa_pkcs1_sha512 */},
680 {"ecdsa_secp521r1_sha512", 0x0603 /* TLSEXT_SIGALG_ecdsa_secp521r1_sha512 */},
681 {"rsa_pss_rsae_sha256", 0x0804 /* TLSEXT_SIGALG_rsa_pss_rsae_sha256 */},
682 {"rsa_pss_rsae_sha384", 0x0805 /* TLSEXT_SIGALG_rsa_pss_rsae_sha384 */},
683 {"rsa_pss_rsae_sha512", 0x0806 /* TLSEXT_SIGALG_rsa_pss_rsae_sha512 */},
684 {"ed25519", 0x0807 /* TLSEXT_SIGALG_ed25519 */},
685 {"ed448", 0x0808 /* TLSEXT_SIGALG_ed448 */},
686 {"rsa_pss_pss_sha256", 0x0809 /* TLSEXT_SIGALG_rsa_pss_pss_sha256 */},
687 {"rsa_pss_pss_sha384", 0x080a /* TLSEXT_SIGALG_rsa_pss_pss_sha384 */},
688 {"rsa_pss_pss_sha512", 0x080b /* TLSEXT_SIGALG_rsa_pss_pss_sha512 */},
689 {"gostr34102001", 0xeded /* TLSEXT_SIGALG_gostr34102001_gostr3411 */},
690 {"gostr34102012_256", 0xeeee /* TLSEXT_SIGALG_gostr34102012_256_gostr34112012_256 */},
691 {"gostr34102012_512", 0xefef /* TLSEXT_SIGALG_gostr34102012_512_gostr34112012_512 */},
695 /* from rfc5246 7.4.1.4.1. */
696 static STRINT_PAIR signature_tls12_alg_list
[] = {
697 {"anonymous", TLSEXT_signature_anonymous
/* 0 */},
698 {"RSA", TLSEXT_signature_rsa
/* 1 */},
699 {"DSA", TLSEXT_signature_dsa
/* 2 */},
700 {"ECDSA", TLSEXT_signature_ecdsa
/* 3 */},
704 /* from rfc5246 7.4.1.4.1. */
705 static STRINT_PAIR signature_tls12_hash_list
[] = {
706 {"none", TLSEXT_hash_none
/* 0 */},
707 {"MD5", TLSEXT_hash_md5
/* 1 */},
708 {"SHA1", TLSEXT_hash_sha1
/* 2 */},
709 {"SHA224", TLSEXT_hash_sha224
/* 3 */},
710 {"SHA256", TLSEXT_hash_sha256
/* 4 */},
711 {"SHA384", TLSEXT_hash_sha384
/* 5 */},
712 {"SHA512", TLSEXT_hash_sha512
/* 6 */},
716 void tlsext_cb(SSL
*s
, int client_server
, int type
,
717 const unsigned char *data
, int len
, void *arg
)
720 const char *extname
= lookup(type
, tlsext_types
, "unknown");
722 BIO_printf(bio
, "TLS %s extension \"%s\" (id=%d), len=%d\n",
723 client_server
? "server" : "client", extname
, type
, len
);
724 BIO_dump(bio
, (const char *)data
, len
);
725 (void)BIO_flush(bio
);
728 #ifndef OPENSSL_NO_SOCK
729 int generate_cookie_callback(SSL
*ssl
, unsigned char *cookie
,
730 unsigned int *cookie_len
)
732 unsigned char *buffer
;
735 BIO_ADDR
*lpeer
= NULL
, *peer
= NULL
;
737 /* Initialize a random secret */
738 if (!cookie_initialized
) {
739 if (RAND_bytes(cookie_secret
, COOKIE_SECRET_LENGTH
) <= 0) {
740 BIO_printf(bio_err
, "error setting random cookie secret\n");
743 cookie_initialized
= 1;
746 if (SSL_is_dtls(ssl
)) {
747 lpeer
= peer
= BIO_ADDR_new();
749 BIO_printf(bio_err
, "memory full\n");
753 /* Read peer information */
754 (void)BIO_dgram_get_peer(SSL_get_rbio(ssl
), peer
);
759 /* Create buffer with peer's address and port */
760 if (!BIO_ADDR_rawaddress(peer
, NULL
, &length
)) {
761 BIO_printf(bio_err
, "Failed getting peer address\n");
764 OPENSSL_assert(length
!= 0);
765 port
= BIO_ADDR_rawport(peer
);
766 length
+= sizeof(port
);
767 buffer
= app_malloc(length
, "cookie generate buffer");
769 memcpy(buffer
, &port
, sizeof(port
));
770 BIO_ADDR_rawaddress(peer
, buffer
+ sizeof(port
), NULL
);
772 /* Calculate HMAC of buffer using the secret */
773 HMAC(EVP_sha1(), cookie_secret
, COOKIE_SECRET_LENGTH
,
774 buffer
, length
, cookie
, cookie_len
);
776 OPENSSL_free(buffer
);
777 BIO_ADDR_free(lpeer
);
782 int verify_cookie_callback(SSL
*ssl
, const unsigned char *cookie
,
783 unsigned int cookie_len
)
785 unsigned char result
[EVP_MAX_MD_SIZE
];
786 unsigned int resultlength
;
788 /* Note: we check cookie_initialized because if it's not,
789 * it cannot be valid */
790 if (cookie_initialized
791 && generate_cookie_callback(ssl
, result
, &resultlength
)
792 && cookie_len
== resultlength
793 && memcmp(result
, cookie
, resultlength
) == 0)
799 int generate_stateless_cookie_callback(SSL
*ssl
, unsigned char *cookie
,
803 int res
= generate_cookie_callback(ssl
, cookie
, &temp
);
808 int verify_stateless_cookie_callback(SSL
*ssl
, const unsigned char *cookie
,
811 return verify_cookie_callback(ssl
, cookie
, cookie_len
);
817 * Example of extended certificate handling. Where the standard support of
818 * one certificate per algorithm is not sufficient an application can decide
819 * which certificate(s) to use at runtime based on whatever criteria it deems
823 /* Linked list of certificates, keys and chains */
824 struct ssl_excert_st
{
826 const char *certfile
;
829 const char *chainfile
;
832 STACK_OF(X509
) *chain
;
834 struct ssl_excert_st
*next
, *prev
;
837 static STRINT_PAIR chain_flags
[] = {
838 {"Overall Validity", CERT_PKEY_VALID
},
839 {"Sign with EE key", CERT_PKEY_SIGN
},
840 {"EE signature", CERT_PKEY_EE_SIGNATURE
},
841 {"CA signature", CERT_PKEY_CA_SIGNATURE
},
842 {"EE key parameters", CERT_PKEY_EE_PARAM
},
843 {"CA key parameters", CERT_PKEY_CA_PARAM
},
844 {"Explicitly sign with EE key", CERT_PKEY_EXPLICIT_SIGN
},
845 {"Issuer Name", CERT_PKEY_ISSUER_NAME
},
846 {"Certificate Type", CERT_PKEY_CERT_TYPE
},
850 static void print_chain_flags(SSL
*s
, int flags
)
854 for (pp
= chain_flags
; pp
->name
; ++pp
)
855 BIO_printf(bio_err
, "\t%s: %s\n",
857 (flags
& pp
->retval
) ? "OK" : "NOT OK");
858 BIO_printf(bio_err
, "\tSuite B: ");
859 if (SSL_set_cert_flags(s
, 0) & SSL_CERT_FLAG_SUITEB_128_LOS
)
860 BIO_puts(bio_err
, flags
& CERT_PKEY_SUITEB
? "OK\n" : "NOT OK\n");
862 BIO_printf(bio_err
, "not tested\n");
866 * Very basic selection callback: just use any certificate chain reported as
867 * valid. More sophisticated could prioritise according to local policy.
869 static int set_cert_cb(SSL
*ssl
, void *arg
)
872 SSL_EXCERT
*exc
= arg
;
873 #ifdef CERT_CB_TEST_RETRY
874 static int retry_cnt
;
878 "Certificate callback retry test: count %d\n",
883 SSL_certs_clear(ssl
);
889 * Go to end of list and traverse backwards since we prepend newer
890 * entries this retains the original order.
892 while (exc
->next
!= NULL
)
897 while (exc
!= NULL
) {
899 rv
= SSL_check_chain(ssl
, exc
->cert
, exc
->key
, exc
->chain
);
900 BIO_printf(bio_err
, "Checking cert chain %d:\nSubject: ", i
);
901 X509_NAME_print_ex(bio_err
, X509_get_subject_name(exc
->cert
), 0,
903 BIO_puts(bio_err
, "\n");
904 print_chain_flags(ssl
, rv
);
905 if (rv
& CERT_PKEY_VALID
) {
906 if (!SSL_use_certificate(ssl
, exc
->cert
)
907 || !SSL_use_PrivateKey(ssl
, exc
->key
)) {
911 * NB: we wouldn't normally do this as it is not efficient
912 * building chains on each connection better to cache the chain
915 if (exc
->build_chain
) {
916 if (!SSL_build_cert_chain(ssl
, 0))
918 } else if (exc
->chain
!= NULL
) {
919 SSL_set1_chain(ssl
, exc
->chain
);
927 void ssl_ctx_set_excert(SSL_CTX
*ctx
, SSL_EXCERT
*exc
)
929 SSL_CTX_set_cert_cb(ctx
, set_cert_cb
, exc
);
932 static int ssl_excert_prepend(SSL_EXCERT
**pexc
)
934 SSL_EXCERT
*exc
= app_malloc(sizeof(*exc
), "prepend cert");
936 memset(exc
, 0, sizeof(*exc
));
942 exc
->certform
= exc
->next
->certform
;
943 exc
->keyform
= exc
->next
->keyform
;
944 exc
->next
->prev
= exc
;
946 exc
->certform
= FORMAT_PEM
;
947 exc
->keyform
= FORMAT_PEM
;
953 void ssl_excert_free(SSL_EXCERT
*exc
)
960 X509_free(exc
->cert
);
961 EVP_PKEY_free(exc
->key
);
962 sk_X509_pop_free(exc
->chain
, X509_free
);
969 int load_excert(SSL_EXCERT
**pexc
)
971 SSL_EXCERT
*exc
= *pexc
;
974 /* If nothing in list, free and set to NULL */
975 if (exc
->certfile
== NULL
&& exc
->next
== NULL
) {
976 ssl_excert_free(exc
);
980 for (; exc
; exc
= exc
->next
) {
981 if (exc
->certfile
== NULL
) {
982 BIO_printf(bio_err
, "Missing filename\n");
985 exc
->cert
= load_cert(exc
->certfile
, exc
->certform
,
986 "Server Certificate");
987 if (exc
->cert
== NULL
)
989 if (exc
->keyfile
!= NULL
) {
990 exc
->key
= load_key(exc
->keyfile
, exc
->keyform
,
991 0, NULL
, NULL
, "Server Key");
993 exc
->key
= load_key(exc
->certfile
, exc
->certform
,
994 0, NULL
, NULL
, "Server Key");
996 if (exc
->key
== NULL
)
998 if (exc
->chainfile
!= NULL
) {
999 if (!load_certs(exc
->chainfile
, &exc
->chain
, FORMAT_PEM
, NULL
,
1007 enum range
{ OPT_X_ENUM
};
1009 int args_excert(int opt
, SSL_EXCERT
**pexc
)
1011 SSL_EXCERT
*exc
= *pexc
;
1013 assert(opt
> OPT_X__FIRST
);
1014 assert(opt
< OPT_X__LAST
);
1017 if (!ssl_excert_prepend(&exc
)) {
1018 BIO_printf(bio_err
, " %s: Error initialising xcert\n",
1025 switch ((enum range
)opt
) {
1030 if (exc
->certfile
!= NULL
&& !ssl_excert_prepend(&exc
)) {
1031 BIO_printf(bio_err
, "%s: Error adding xcert\n", opt_getprog());
1035 exc
->certfile
= opt_arg();
1038 if (exc
->keyfile
!= NULL
) {
1039 BIO_printf(bio_err
, "%s: Key already specified\n", opt_getprog());
1042 exc
->keyfile
= opt_arg();
1045 if (exc
->chainfile
!= NULL
) {
1046 BIO_printf(bio_err
, "%s: Chain already specified\n",
1050 exc
->chainfile
= opt_arg();
1052 case OPT_X_CHAIN_BUILD
:
1053 exc
->build_chain
= 1;
1055 case OPT_X_CERTFORM
:
1056 if (!opt_format(opt_arg(), OPT_FMT_PEMDER
, &exc
->certform
))
1060 if (!opt_format(opt_arg(), OPT_FMT_PEMDER
, &exc
->keyform
))
1067 ERR_print_errors(bio_err
);
1068 ssl_excert_free(exc
);
1073 static void print_raw_cipherlist(SSL
*s
)
1075 const unsigned char *rlist
;
1076 static const unsigned char scsv_id
[] = { 0, 0xFF };
1077 size_t i
, rlistlen
, num
;
1078 if (!SSL_is_server(s
))
1080 num
= SSL_get0_raw_cipherlist(s
, NULL
);
1081 OPENSSL_assert(num
== 2);
1082 rlistlen
= SSL_get0_raw_cipherlist(s
, &rlist
);
1083 BIO_puts(bio_err
, "Client cipher list: ");
1084 for (i
= 0; i
< rlistlen
; i
+= num
, rlist
+= num
) {
1085 const SSL_CIPHER
*c
= SSL_CIPHER_find(s
, rlist
);
1087 BIO_puts(bio_err
, ":");
1089 BIO_puts(bio_err
, SSL_CIPHER_get_name(c
));
1090 } else if (memcmp(rlist
, scsv_id
, num
) == 0) {
1091 BIO_puts(bio_err
, "SCSV");
1094 BIO_puts(bio_err
, "0x");
1095 for (j
= 0; j
< num
; j
++)
1096 BIO_printf(bio_err
, "%02X", rlist
[j
]);
1099 BIO_puts(bio_err
, "\n");
1103 * Hex encoder for TLSA RRdata, not ':' delimited.
1105 static char *hexencode(const unsigned char *data
, size_t len
)
1107 static const char *hex
= "0123456789abcdef";
1110 size_t outlen
= 2 * len
+ 1;
1111 int ilen
= (int) outlen
;
1113 if (outlen
< len
|| ilen
< 0 || outlen
!= (size_t)ilen
) {
1114 BIO_printf(bio_err
, "%s: %zu-byte buffer too large to hexencode\n",
1115 opt_getprog(), len
);
1118 cp
= out
= app_malloc(ilen
, "TLSA hex data buffer");
1121 *cp
++ = hex
[(*data
>> 4) & 0x0f];
1122 *cp
++ = hex
[*data
++ & 0x0f];
1128 void print_verify_detail(SSL
*s
, BIO
*bio
)
1132 long verify_err
= SSL_get_verify_result(s
);
1134 if (verify_err
== X509_V_OK
) {
1135 const char *peername
= SSL_get0_peername(s
);
1137 BIO_printf(bio
, "Verification: OK\n");
1138 if (peername
!= NULL
)
1139 BIO_printf(bio
, "Verified peername: %s\n", peername
);
1141 const char *reason
= X509_verify_cert_error_string(verify_err
);
1143 BIO_printf(bio
, "Verification error: %s\n", reason
);
1146 if ((mdpth
= SSL_get0_dane_authority(s
, NULL
, &mspki
)) >= 0) {
1147 uint8_t usage
, selector
, mtype
;
1148 const unsigned char *data
= NULL
;
1152 mdpth
= SSL_get0_dane_tlsa(s
, &usage
, &selector
, &mtype
, &data
, &dlen
);
1155 * The TLSA data field can be quite long when it is a certificate,
1156 * public key or even a SHA2-512 digest. Because the initial octets of
1157 * ASN.1 certificates and public keys contain mostly boilerplate OIDs
1158 * and lengths, we show the last 12 bytes of the data instead, as these
1159 * are more likely to distinguish distinct TLSA records.
1161 #define TLSA_TAIL_SIZE 12
1162 if (dlen
> TLSA_TAIL_SIZE
)
1163 hexdata
= hexencode(data
+ dlen
- TLSA_TAIL_SIZE
, TLSA_TAIL_SIZE
);
1165 hexdata
= hexencode(data
, dlen
);
1166 BIO_printf(bio
, "DANE TLSA %d %d %d %s%s %s at depth %d\n",
1167 usage
, selector
, mtype
,
1168 (dlen
> TLSA_TAIL_SIZE
) ? "..." : "", hexdata
,
1169 (mspki
!= NULL
) ? "signed the certificate" :
1170 mdpth
? "matched TA certificate" : "matched EE certificate",
1172 OPENSSL_free(hexdata
);
1176 void print_ssl_summary(SSL
*s
)
1178 const SSL_CIPHER
*c
;
1181 BIO_printf(bio_err
, "Protocol version: %s\n", SSL_get_version(s
));
1182 print_raw_cipherlist(s
);
1183 c
= SSL_get_current_cipher(s
);
1184 BIO_printf(bio_err
, "Ciphersuite: %s\n", SSL_CIPHER_get_name(c
));
1185 do_print_sigalgs(bio_err
, s
, 0);
1186 peer
= SSL_get_peer_certificate(s
);
1190 BIO_puts(bio_err
, "Peer certificate: ");
1191 X509_NAME_print_ex(bio_err
, X509_get_subject_name(peer
),
1193 BIO_puts(bio_err
, "\n");
1194 if (SSL_get_peer_signature_nid(s
, &nid
))
1195 BIO_printf(bio_err
, "Hash used: %s\n", OBJ_nid2sn(nid
));
1196 if (SSL_get_peer_signature_type_nid(s
, &nid
))
1197 BIO_printf(bio_err
, "Signature type: %s\n", get_sigtype(nid
));
1198 print_verify_detail(s
, bio_err
);
1200 BIO_puts(bio_err
, "No peer certificate\n");
1203 #ifndef OPENSSL_NO_EC
1204 ssl_print_point_formats(bio_err
, s
);
1205 if (SSL_is_server(s
))
1206 ssl_print_groups(bio_err
, s
, 1);
1208 ssl_print_tmp_key(bio_err
, s
);
1210 if (!SSL_is_server(s
))
1211 ssl_print_tmp_key(bio_err
, s
);
1215 int config_ctx(SSL_CONF_CTX
*cctx
, STACK_OF(OPENSSL_STRING
) *str
,
1220 SSL_CONF_CTX_set_ssl_ctx(cctx
, ctx
);
1221 for (i
= 0; i
< sk_OPENSSL_STRING_num(str
); i
+= 2) {
1222 const char *flag
= sk_OPENSSL_STRING_value(str
, i
);
1223 const char *arg
= sk_OPENSSL_STRING_value(str
, i
+ 1);
1224 if (SSL_CONF_cmd(cctx
, flag
, arg
) <= 0) {
1226 BIO_printf(bio_err
, "Error with command: \"%s %s\"\n",
1229 BIO_printf(bio_err
, "Error with command: \"%s\"\n", flag
);
1230 ERR_print_errors(bio_err
);
1234 if (!SSL_CONF_CTX_finish(cctx
)) {
1235 BIO_puts(bio_err
, "Error finishing context\n");
1236 ERR_print_errors(bio_err
);
1242 static int add_crls_store(X509_STORE
*st
, STACK_OF(X509_CRL
) *crls
)
1246 for (i
= 0; i
< sk_X509_CRL_num(crls
); i
++) {
1247 crl
= sk_X509_CRL_value(crls
, i
);
1248 X509_STORE_add_crl(st
, crl
);
1253 int ssl_ctx_add_crls(SSL_CTX
*ctx
, STACK_OF(X509_CRL
) *crls
, int crl_download
)
1256 st
= SSL_CTX_get_cert_store(ctx
);
1257 add_crls_store(st
, crls
);
1259 store_setup_crl_download(st
);
1263 int ssl_load_stores(SSL_CTX
*ctx
,
1264 const char *vfyCApath
, const char *vfyCAfile
,
1265 const char *chCApath
, const char *chCAfile
,
1266 STACK_OF(X509_CRL
) *crls
, int crl_download
)
1268 X509_STORE
*vfy
= NULL
, *ch
= NULL
;
1270 if (vfyCApath
!= NULL
|| vfyCAfile
!= NULL
) {
1271 vfy
= X509_STORE_new();
1274 if (!X509_STORE_load_locations(vfy
, vfyCAfile
, vfyCApath
))
1276 add_crls_store(vfy
, crls
);
1277 SSL_CTX_set1_verify_cert_store(ctx
, vfy
);
1279 store_setup_crl_download(vfy
);
1281 if (chCApath
!= NULL
|| chCAfile
!= NULL
) {
1282 ch
= X509_STORE_new();
1285 if (!X509_STORE_load_locations(ch
, chCAfile
, chCApath
))
1287 SSL_CTX_set1_chain_cert_store(ctx
, ch
);
1291 X509_STORE_free(vfy
);
1292 X509_STORE_free(ch
);
1296 /* Verbose print out of security callback */
1301 int (*old_cb
) (const SSL
*s
, const SSL_CTX
*ctx
, int op
, int bits
, int nid
,
1302 void *other
, void *ex
);
1303 } security_debug_ex
;
1305 static STRINT_PAIR callback_types
[] = {
1306 {"Supported Ciphersuite", SSL_SECOP_CIPHER_SUPPORTED
},
1307 {"Shared Ciphersuite", SSL_SECOP_CIPHER_SHARED
},
1308 {"Check Ciphersuite", SSL_SECOP_CIPHER_CHECK
},
1309 #ifndef OPENSSL_NO_DH
1310 {"Temp DH key bits", SSL_SECOP_TMP_DH
},
1312 {"Supported Curve", SSL_SECOP_CURVE_SUPPORTED
},
1313 {"Shared Curve", SSL_SECOP_CURVE_SHARED
},
1314 {"Check Curve", SSL_SECOP_CURVE_CHECK
},
1315 {"Supported Signature Algorithm", SSL_SECOP_SIGALG_SUPPORTED
},
1316 {"Shared Signature Algorithm", SSL_SECOP_SIGALG_SHARED
},
1317 {"Check Signature Algorithm", SSL_SECOP_SIGALG_CHECK
},
1318 {"Signature Algorithm mask", SSL_SECOP_SIGALG_MASK
},
1319 {"Certificate chain EE key", SSL_SECOP_EE_KEY
},
1320 {"Certificate chain CA key", SSL_SECOP_CA_KEY
},
1321 {"Peer Chain EE key", SSL_SECOP_PEER_EE_KEY
},
1322 {"Peer Chain CA key", SSL_SECOP_PEER_CA_KEY
},
1323 {"Certificate chain CA digest", SSL_SECOP_CA_MD
},
1324 {"Peer chain CA digest", SSL_SECOP_PEER_CA_MD
},
1325 {"SSL compression", SSL_SECOP_COMPRESSION
},
1326 {"Session ticket", SSL_SECOP_TICKET
},
1330 static int security_callback_debug(const SSL
*s
, const SSL_CTX
*ctx
,
1331 int op
, int bits
, int nid
,
1332 void *other
, void *ex
)
1334 security_debug_ex
*sdb
= ex
;
1335 int rv
, show_bits
= 1, cert_md
= 0;
1338 rv
= sdb
->old_cb(s
, ctx
, op
, bits
, nid
, other
, ex
);
1339 if (rv
== 1 && sdb
->verbose
< 2)
1341 BIO_puts(sdb
->out
, "Security callback: ");
1343 nm
= lookup(op
, callback_types
, NULL
);
1344 show_nm
= nm
!= NULL
;
1346 case SSL_SECOP_TICKET
:
1347 case SSL_SECOP_COMPRESSION
:
1351 case SSL_SECOP_VERSION
:
1352 BIO_printf(sdb
->out
, "Version=%s", lookup(nid
, ssl_versions
, "???"));
1356 case SSL_SECOP_CA_MD
:
1357 case SSL_SECOP_PEER_CA_MD
:
1360 case SSL_SECOP_SIGALG_SUPPORTED
:
1361 case SSL_SECOP_SIGALG_SHARED
:
1362 case SSL_SECOP_SIGALG_CHECK
:
1363 case SSL_SECOP_SIGALG_MASK
:
1368 BIO_printf(sdb
->out
, "%s=", nm
);
1370 switch (op
& SSL_SECOP_OTHER_TYPE
) {
1372 case SSL_SECOP_OTHER_CIPHER
:
1373 BIO_puts(sdb
->out
, SSL_CIPHER_get_name(other
));
1376 #ifndef OPENSSL_NO_EC
1377 case SSL_SECOP_OTHER_CURVE
:
1380 cname
= EC_curve_nid2nist(nid
);
1382 cname
= OBJ_nid2sn(nid
);
1383 BIO_puts(sdb
->out
, cname
);
1387 #ifndef OPENSSL_NO_DH
1388 case SSL_SECOP_OTHER_DH
:
1391 BIO_printf(sdb
->out
, "%d", DH_bits(dh
));
1395 case SSL_SECOP_OTHER_CERT
:
1398 int sig_nid
= X509_get_signature_nid(other
);
1399 BIO_puts(sdb
->out
, OBJ_nid2sn(sig_nid
));
1401 EVP_PKEY
*pkey
= X509_get0_pubkey(other
);
1402 const char *algname
= "";
1403 EVP_PKEY_asn1_get0_info(NULL
, NULL
, NULL
, NULL
,
1404 &algname
, EVP_PKEY_get0_asn1(pkey
));
1405 BIO_printf(sdb
->out
, "%s, bits=%d",
1406 algname
, EVP_PKEY_bits(pkey
));
1410 case SSL_SECOP_OTHER_SIGALG
:
1412 const unsigned char *salg
= other
;
1413 const char *sname
= NULL
;
1414 int raw_sig_code
= (salg
[0] << 8) + salg
[1]; /* always big endian (msb, lsb) */
1415 /* raw_sig_code: signature_scheme from tls1.3, or signature_and_hash from tls1.2 */
1418 BIO_printf(sdb
->out
, "%s", nm
);
1420 BIO_printf(sdb
->out
, "s_cb.c:security_callback_debug op=0x%x", op
);
1422 sname
= lookup(raw_sig_code
, signature_tls13_scheme_list
, NULL
);
1423 if (sname
!= NULL
) {
1424 BIO_printf(sdb
->out
, " scheme=%s", sname
);
1426 int alg_code
= salg
[1];
1427 int hash_code
= salg
[0];
1428 const char *alg_str
= lookup(alg_code
, signature_tls12_alg_list
, NULL
);
1429 const char *hash_str
= lookup(hash_code
, signature_tls12_hash_list
, NULL
);
1431 if (alg_str
!= NULL
&& hash_str
!= NULL
)
1432 BIO_printf(sdb
->out
, " digest=%s, algorithm=%s", hash_str
, alg_str
);
1434 BIO_printf(sdb
->out
, " scheme=unknown(0x%04x)", raw_sig_code
);
1441 BIO_printf(sdb
->out
, ", security bits=%d", bits
);
1442 BIO_printf(sdb
->out
, ": %s\n", rv
? "yes" : "no");
1446 void ssl_ctx_security_debug(SSL_CTX
*ctx
, int verbose
)
1448 static security_debug_ex sdb
;
1451 sdb
.verbose
= verbose
;
1452 sdb
.old_cb
= SSL_CTX_get_security_callback(ctx
);
1453 SSL_CTX_set_security_callback(ctx
, security_callback_debug
);
1454 SSL_CTX_set0_security_ex_data(ctx
, &sdb
);
1457 static void keylog_callback(const SSL
*ssl
, const char *line
)
1459 if (bio_keylog
== NULL
) {
1460 BIO_printf(bio_err
, "Keylog callback is invoked without valid file!\n");
1465 * There might be concurrent writers to the keylog file, so we must ensure
1466 * that the given line is written at once.
1468 BIO_printf(bio_keylog
, "%s\n", line
);
1469 (void)BIO_flush(bio_keylog
);
1472 int set_keylog_file(SSL_CTX
*ctx
, const char *keylog_file
)
1474 /* Close any open files */
1475 BIO_free_all(bio_keylog
);
1478 if (ctx
== NULL
|| keylog_file
== NULL
) {
1479 /* Keylogging is disabled, OK. */
1484 * Append rather than write in order to allow concurrent modification.
1485 * Furthermore, this preserves existing keylog files which is useful when
1486 * the tool is run multiple times.
1488 bio_keylog
= BIO_new_file(keylog_file
, "a");
1489 if (bio_keylog
== NULL
) {
1490 BIO_printf(bio_err
, "Error writing keylog file %s\n", keylog_file
);
1494 /* Write a header for seekable, empty files (this excludes pipes). */
1495 if (BIO_tell(bio_keylog
) == 0) {
1496 BIO_puts(bio_keylog
,
1497 "# SSL/TLS secrets log file, generated by OpenSSL\n");
1498 (void)BIO_flush(bio_keylog
);
1500 SSL_CTX_set_keylog_callback(ctx
, keylog_callback
);
1504 void print_ca_names(BIO
*bio
, SSL
*s
)
1506 const char *cs
= SSL_is_server(s
) ? "server" : "client";
1507 const STACK_OF(X509_NAME
) *sk
= SSL_get0_peer_CA_list(s
);
1510 if (sk
== NULL
|| sk_X509_NAME_num(sk
) == 0) {
1511 BIO_printf(bio
, "---\nNo %s certificate CA names sent\n", cs
);
1515 BIO_printf(bio
, "---\nAcceptable %s certificate CA names\n",cs
);
1516 for (i
= 0; i
< sk_X509_NAME_num(sk
); i
++) {
1517 X509_NAME_print_ex(bio
, sk_X509_NAME_value(sk
, i
), 0, get_nameopt());
1518 BIO_write(bio
, "\n", 1);