2 * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the OpenSSL license (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
10 /* callback functions used by s_client, s_server, and s_time */
13 #include <string.h> /* for memcpy() and strcmp() */
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
= { 0, 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;
36 static const char *lookup(int val
, const STRINT_PAIR
* list
, const char* def
)
38 for ( ; list
->name
; ++list
)
39 if (list
->retval
== val
)
44 int verify_callback(int ok
, X509_STORE_CTX
*ctx
)
49 err_cert
= X509_STORE_CTX_get_current_cert(ctx
);
50 err
= X509_STORE_CTX_get_error(ctx
);
51 depth
= X509_STORE_CTX_get_error_depth(ctx
);
53 if (!verify_args
.quiet
|| !ok
) {
54 BIO_printf(bio_err
, "depth=%d ", depth
);
56 X509_NAME_print_ex(bio_err
,
57 X509_get_subject_name(err_cert
),
59 BIO_puts(bio_err
, "\n");
61 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
>= 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
:
236 static int do_print_sigalgs(BIO
*out
, SSL
*s
, int shared
)
239 client
= SSL_is_server(s
) ? 0 : 1;
241 nsig
= SSL_get_shared_sigalgs(s
, -1, NULL
, NULL
, NULL
, NULL
, NULL
);
243 nsig
= SSL_get_sigalgs(s
, -1, NULL
, NULL
, NULL
, NULL
, NULL
);
248 BIO_puts(out
, "Shared ");
251 BIO_puts(out
, "Requested ");
252 BIO_puts(out
, "Signature Algorithms: ");
253 for (i
= 0; i
< nsig
; i
++) {
254 int hash_nid
, sign_nid
;
255 unsigned char rhash
, rsign
;
256 const char *sstr
= NULL
;
258 SSL_get_shared_sigalgs(s
, i
, &sign_nid
, &hash_nid
, NULL
,
261 SSL_get_sigalgs(s
, i
, &sign_nid
, &hash_nid
, NULL
, &rsign
, &rhash
);
264 sstr
= get_sigtype(sign_nid
);
266 BIO_printf(out
, "%s+", sstr
);
268 BIO_printf(out
, "0x%02X+", (int)rsign
);
269 if (hash_nid
!= NID_undef
)
270 BIO_printf(out
, "%s", OBJ_nid2sn(hash_nid
));
272 BIO_printf(out
, "0x%02X", (int)rhash
);
278 int ssl_print_sigalgs(BIO
*out
, SSL
*s
)
281 if (!SSL_is_server(s
))
282 ssl_print_client_cert_types(out
, s
);
283 do_print_sigalgs(out
, s
, 0);
284 do_print_sigalgs(out
, s
, 1);
285 if (SSL_get_peer_signature_nid(s
, &nid
))
286 BIO_printf(out
, "Peer signing digest: %s\n", OBJ_nid2sn(nid
));
287 if (SSL_get_peer_signature_type_nid(s
, &nid
))
288 BIO_printf(bio_err
, "Peer signature type: %s\n", get_sigtype(nid
));
292 #ifndef OPENSSL_NO_EC
293 int ssl_print_point_formats(BIO
*out
, SSL
*s
)
296 const char *pformats
;
297 nformats
= SSL_get0_ec_point_formats(s
, &pformats
);
300 BIO_puts(out
, "Supported Elliptic Curve Point Formats: ");
301 for (i
= 0; i
< nformats
; i
++, pformats
++) {
305 case TLSEXT_ECPOINTFORMAT_uncompressed
:
306 BIO_puts(out
, "uncompressed");
309 case TLSEXT_ECPOINTFORMAT_ansiX962_compressed_prime
:
310 BIO_puts(out
, "ansiX962_compressed_prime");
313 case TLSEXT_ECPOINTFORMAT_ansiX962_compressed_char2
:
314 BIO_puts(out
, "ansiX962_compressed_char2");
318 BIO_printf(out
, "unknown(%d)", (int)*pformats
);
327 int ssl_print_groups(BIO
*out
, SSL
*s
, int noshared
)
329 int i
, ngroups
, *groups
, nid
;
332 ngroups
= SSL_get1_groups(s
, NULL
);
335 groups
= app_malloc(ngroups
* sizeof(int), "groups to print");
336 SSL_get1_groups(s
, groups
);
338 BIO_puts(out
, "Supported Elliptic Groups: ");
339 for (i
= 0; i
< ngroups
; i
++) {
343 /* If unrecognised print out hex version */
344 if (nid
& TLSEXT_nid_unknown
)
345 BIO_printf(out
, "0x%04X", nid
& 0xFFFF);
347 /* TODO(TLS1.3): Get group name here */
348 /* Use NIST name for curve if it exists */
349 gname
= EC_curve_nid2nist(nid
);
351 gname
= OBJ_nid2sn(nid
);
352 BIO_printf(out
, "%s", gname
);
355 OPENSSL_free(groups
);
360 BIO_puts(out
, "\nShared Elliptic groups: ");
361 ngroups
= SSL_get_shared_group(s
, -1);
362 for (i
= 0; i
< ngroups
; i
++) {
365 nid
= SSL_get_shared_group(s
, i
);
366 /* TODO(TLS1.3): Convert for DH groups */
367 gname
= EC_curve_nid2nist(nid
);
369 gname
= OBJ_nid2sn(nid
);
370 BIO_printf(out
, "%s", gname
);
373 BIO_puts(out
, "NONE");
378 int ssl_print_tmp_key(BIO
*out
, SSL
*s
)
381 if (!SSL_get_server_tmp_key(s
, &key
))
383 BIO_puts(out
, "Server Temp Key: ");
384 switch (EVP_PKEY_id(key
)) {
386 BIO_printf(out
, "RSA, %d bits\n", EVP_PKEY_bits(key
));
390 BIO_printf(out
, "DH, %d bits\n", EVP_PKEY_bits(key
));
392 #ifndef OPENSSL_NO_EC
395 EC_KEY
*ec
= EVP_PKEY_get1_EC_KEY(key
);
398 nid
= EC_GROUP_get_curve_name(EC_KEY_get0_group(ec
));
400 cname
= EC_curve_nid2nist(nid
);
402 cname
= OBJ_nid2sn(nid
);
403 BIO_printf(out
, "ECDH, %s, %d bits\n", cname
, EVP_PKEY_bits(key
));
408 BIO_printf(out
, "%s, %d bits\n", OBJ_nid2sn(EVP_PKEY_id(key
)),
415 long bio_dump_callback(BIO
*bio
, int cmd
, const char *argp
,
416 int argi
, long argl
, long ret
)
420 out
= (BIO
*)BIO_get_callback_arg(bio
);
424 if (cmd
== (BIO_CB_READ
| BIO_CB_RETURN
)) {
425 BIO_printf(out
, "read from %p [%p] (%lu bytes => %ld (0x%lX))\n",
426 (void *)bio
, (void *)argp
, (unsigned long)argi
, ret
, ret
);
427 BIO_dump(out
, argp
, (int)ret
);
429 } else if (cmd
== (BIO_CB_WRITE
| BIO_CB_RETURN
)) {
430 BIO_printf(out
, "write to %p [%p] (%lu bytes => %ld (0x%lX))\n",
431 (void *)bio
, (void *)argp
, (unsigned long)argi
, ret
, ret
);
432 BIO_dump(out
, argp
, (int)ret
);
437 void apps_ssl_info_callback(const SSL
*s
, int where
, int ret
)
442 w
= where
& ~SSL_ST_MASK
;
444 if (w
& SSL_ST_CONNECT
)
446 else if (w
& SSL_ST_ACCEPT
)
451 if (where
& SSL_CB_LOOP
) {
452 BIO_printf(bio_err
, "%s:%s\n", str
, SSL_state_string_long(s
));
453 } else if (where
& SSL_CB_ALERT
) {
454 str
= (where
& SSL_CB_READ
) ? "read" : "write";
455 BIO_printf(bio_err
, "SSL3 alert %s:%s:%s\n",
457 SSL_alert_type_string_long(ret
),
458 SSL_alert_desc_string_long(ret
));
459 } else if (where
& SSL_CB_EXIT
) {
461 BIO_printf(bio_err
, "%s:failed in %s\n",
462 str
, SSL_state_string_long(s
));
464 BIO_printf(bio_err
, "%s:error in %s\n",
465 str
, SSL_state_string_long(s
));
470 static STRINT_PAIR ssl_versions
[] = {
471 {"SSL 3.0", SSL3_VERSION
},
472 {"TLS 1.0", TLS1_VERSION
},
473 {"TLS 1.1", TLS1_1_VERSION
},
474 {"TLS 1.2", TLS1_2_VERSION
},
475 {"TLS 1.3", TLS1_3_VERSION
},
476 {"DTLS 1.0", DTLS1_VERSION
},
477 {"DTLS 1.0 (bad)", DTLS1_BAD_VER
},
480 static STRINT_PAIR alert_types
[] = {
481 {" close_notify", 0},
482 {" unexpected_message", 10},
483 {" bad_record_mac", 20},
484 {" decryption_failed", 21},
485 {" record_overflow", 22},
486 {" decompression_failure", 30},
487 {" handshake_failure", 40},
488 {" bad_certificate", 42},
489 {" unsupported_certificate", 43},
490 {" certificate_revoked", 44},
491 {" certificate_expired", 45},
492 {" certificate_unknown", 46},
493 {" illegal_parameter", 47},
495 {" access_denied", 49},
496 {" decode_error", 50},
497 {" decrypt_error", 51},
498 {" export_restriction", 60},
499 {" protocol_version", 70},
500 {" insufficient_security", 71},
501 {" internal_error", 80},
502 {" user_canceled", 90},
503 {" no_renegotiation", 100},
504 {" unsupported_extension", 110},
505 {" certificate_unobtainable", 111},
506 {" unrecognized_name", 112},
507 {" bad_certificate_status_response", 113},
508 {" bad_certificate_hash_value", 114},
509 {" unknown_psk_identity", 115},
513 static STRINT_PAIR handshakes
[] = {
514 {", HelloRequest", 0},
515 {", ClientHello", 1},
516 {", ServerHello", 2},
517 {", HelloVerifyRequest", 3},
518 {", NewSessionTicket", 4},
519 {", Certificate", 11},
520 {", ServerKeyExchange", 12},
521 {", CertificateRequest", 13},
522 {", ServerHelloDone", 14},
523 {", CertificateVerify", 15},
524 {", ClientKeyExchange", 16},
526 {", CertificateUrl", 21},
527 {", CertificateStatus", 22},
528 {", SupplementalData", 23},
532 void msg_cb(int write_p
, int version
, int content_type
, const void *buf
,
533 size_t len
, SSL
*ssl
, void *arg
)
536 const char *str_write_p
= write_p
? ">>>" : "<<<";
537 const char *str_version
= lookup(version
, ssl_versions
, "???");
538 const char *str_content_type
= "", *str_details1
= "", *str_details2
= "";
539 const unsigned char* bp
= buf
;
541 if (version
== SSL3_VERSION
||
542 version
== TLS1_VERSION
||
543 version
== TLS1_1_VERSION
||
544 version
== TLS1_2_VERSION
||
545 version
== TLS1_3_VERSION
||
546 version
== DTLS1_VERSION
|| version
== DTLS1_BAD_VER
) {
547 switch (content_type
) {
549 str_content_type
= "ChangeCipherSpec";
552 str_content_type
= "Alert";
553 str_details1
= ", ???";
557 str_details1
= ", warning";
560 str_details1
= ", fatal";
563 str_details2
= lookup((int)bp
[1], alert_types
, " ???");
567 str_content_type
= "Handshake";
568 str_details1
= "???";
570 str_details1
= lookup((int)bp
[0], handshakes
, "???");
573 str_content_type
= "ApplicationData";
575 #ifndef OPENSSL_NO_HEARTBEATS
577 str_details1
= ", Heartbeat";
582 str_details1
= ", HeartbeatRequest";
585 str_details1
= ", HeartbeatResponse";
594 BIO_printf(bio
, "%s %s%s [length %04lx]%s%s\n", str_write_p
, str_version
,
595 str_content_type
, (unsigned long)len
, str_details1
,
601 BIO_printf(bio
, " ");
603 for (i
= 0; i
< num
; i
++) {
604 if (i
% 16 == 0 && i
> 0)
605 BIO_printf(bio
, "\n ");
606 BIO_printf(bio
, " %02x", ((const unsigned char *)buf
)[i
]);
609 BIO_printf(bio
, " ...");
610 BIO_printf(bio
, "\n");
612 (void)BIO_flush(bio
);
615 static STRINT_PAIR tlsext_types
[] = {
616 {"server name", TLSEXT_TYPE_server_name
},
617 {"max fragment length", TLSEXT_TYPE_max_fragment_length
},
618 {"client certificate URL", TLSEXT_TYPE_client_certificate_url
},
619 {"trusted CA keys", TLSEXT_TYPE_trusted_ca_keys
},
620 {"truncated HMAC", TLSEXT_TYPE_truncated_hmac
},
621 {"status request", TLSEXT_TYPE_status_request
},
622 {"user mapping", TLSEXT_TYPE_user_mapping
},
623 {"client authz", TLSEXT_TYPE_client_authz
},
624 {"server authz", TLSEXT_TYPE_server_authz
},
625 {"cert type", TLSEXT_TYPE_cert_type
},
626 {"supported_groups", TLSEXT_TYPE_supported_groups
},
627 {"EC point formats", TLSEXT_TYPE_ec_point_formats
},
628 {"SRP", TLSEXT_TYPE_srp
},
629 {"signature algorithms", TLSEXT_TYPE_signature_algorithms
},
630 {"use SRTP", TLSEXT_TYPE_use_srtp
},
631 {"heartbeat", TLSEXT_TYPE_heartbeat
},
632 {"session ticket", TLSEXT_TYPE_session_ticket
},
633 {"renegotiation info", TLSEXT_TYPE_renegotiate
},
634 {"signed certificate timestamps", TLSEXT_TYPE_signed_certificate_timestamp
},
635 {"TLS padding", TLSEXT_TYPE_padding
},
636 #ifdef TLSEXT_TYPE_next_proto_neg
637 {"next protocol", TLSEXT_TYPE_next_proto_neg
},
639 #ifdef TLSEXT_TYPE_encrypt_then_mac
640 {"encrypt-then-mac", TLSEXT_TYPE_encrypt_then_mac
},
642 #ifdef TLSEXT_TYPE_application_layer_protocol_negotiation
643 {"application layer protocol negotiation",
644 TLSEXT_TYPE_application_layer_protocol_negotiation
},
646 #ifdef TLSEXT_TYPE_extended_master_secret
647 {"extended master secret", TLSEXT_TYPE_extended_master_secret
},
652 void tlsext_cb(SSL
*s
, int client_server
, int type
,
653 const unsigned char *data
, int len
, void *arg
)
656 const char *extname
= lookup(type
, tlsext_types
, "unknown");
658 BIO_printf(bio
, "TLS %s extension \"%s\" (id=%d), len=%d\n",
659 client_server
? "server" : "client", extname
, type
, len
);
660 BIO_dump(bio
, (const char *)data
, len
);
661 (void)BIO_flush(bio
);
664 #ifndef OPENSSL_NO_SOCK
665 int generate_cookie_callback(SSL
*ssl
, unsigned char *cookie
,
666 unsigned int *cookie_len
)
668 unsigned char *buffer
;
671 BIO_ADDR
*peer
= NULL
;
673 /* Initialize a random secret */
674 if (!cookie_initialized
) {
675 if (RAND_bytes(cookie_secret
, COOKIE_SECRET_LENGTH
) <= 0) {
676 BIO_printf(bio_err
, "error setting random cookie secret\n");
679 cookie_initialized
= 1;
682 peer
= BIO_ADDR_new();
684 BIO_printf(bio_err
, "memory full\n");
688 /* Read peer information */
689 (void)BIO_dgram_get_peer(SSL_get_rbio(ssl
), peer
);
691 /* Create buffer with peer's address and port */
692 BIO_ADDR_rawaddress(peer
, NULL
, &length
);
693 OPENSSL_assert(length
!= 0);
694 port
= BIO_ADDR_rawport(peer
);
695 length
+= sizeof(port
);
696 buffer
= app_malloc(length
, "cookie generate buffer");
698 memcpy(buffer
, &port
, sizeof(port
));
699 BIO_ADDR_rawaddress(peer
, buffer
+ sizeof(port
), NULL
);
701 /* Calculate HMAC of buffer using the secret */
702 HMAC(EVP_sha1(), cookie_secret
, COOKIE_SECRET_LENGTH
,
703 buffer
, length
, cookie
, cookie_len
);
705 OPENSSL_free(buffer
);
711 int verify_cookie_callback(SSL
*ssl
, const unsigned char *cookie
,
712 unsigned int cookie_len
)
714 unsigned char result
[EVP_MAX_MD_SIZE
];
715 unsigned int resultlength
;
717 /* Note: we check cookie_initialized because if it's not,
718 * it cannot be valid */
719 if (cookie_initialized
720 && generate_cookie_callback(ssl
, result
, &resultlength
)
721 && cookie_len
== resultlength
722 && memcmp(result
, cookie
, resultlength
) == 0)
730 * Example of extended certificate handling. Where the standard support of
731 * one certificate per algorithm is not sufficient an application can decide
732 * which certificate(s) to use at runtime based on whatever criteria it deems
736 /* Linked list of certificates, keys and chains */
737 struct ssl_excert_st
{
739 const char *certfile
;
742 const char *chainfile
;
745 STACK_OF(X509
) *chain
;
747 struct ssl_excert_st
*next
, *prev
;
750 static STRINT_PAIR chain_flags
[] = {
751 {"Overall Validity", CERT_PKEY_VALID
},
752 {"Sign with EE key", CERT_PKEY_SIGN
},
753 {"EE signature", CERT_PKEY_EE_SIGNATURE
},
754 {"CA signature", CERT_PKEY_CA_SIGNATURE
},
755 {"EE key parameters", CERT_PKEY_EE_PARAM
},
756 {"CA key parameters", CERT_PKEY_CA_PARAM
},
757 {"Explicitly sign with EE key", CERT_PKEY_EXPLICIT_SIGN
},
758 {"Issuer Name", CERT_PKEY_ISSUER_NAME
},
759 {"Certificate Type", CERT_PKEY_CERT_TYPE
},
763 static void print_chain_flags(SSL
*s
, int flags
)
767 for (pp
= chain_flags
; pp
->name
; ++pp
)
768 BIO_printf(bio_err
, "\t%s: %s\n",
770 (flags
& pp
->retval
) ? "OK" : "NOT OK");
771 BIO_printf(bio_err
, "\tSuite B: ");
772 if (SSL_set_cert_flags(s
, 0) & SSL_CERT_FLAG_SUITEB_128_LOS
)
773 BIO_puts(bio_err
, flags
& CERT_PKEY_SUITEB
? "OK\n" : "NOT OK\n");
775 BIO_printf(bio_err
, "not tested\n");
779 * Very basic selection callback: just use any certificate chain reported as
780 * valid. More sophisticated could prioritise according to local policy.
782 static int set_cert_cb(SSL
*ssl
, void *arg
)
785 SSL_EXCERT
*exc
= arg
;
786 #ifdef CERT_CB_TEST_RETRY
787 static int retry_cnt
;
791 "Certificate callback retry test: count %d\n",
796 SSL_certs_clear(ssl
);
802 * Go to end of list and traverse backwards since we prepend newer
803 * entries this retains the original order.
812 rv
= SSL_check_chain(ssl
, exc
->cert
, exc
->key
, exc
->chain
);
813 BIO_printf(bio_err
, "Checking cert chain %d:\nSubject: ", i
);
814 X509_NAME_print_ex(bio_err
, X509_get_subject_name(exc
->cert
), 0,
816 BIO_puts(bio_err
, "\n");
817 print_chain_flags(ssl
, rv
);
818 if (rv
& CERT_PKEY_VALID
) {
819 if (!SSL_use_certificate(ssl
, exc
->cert
)
820 || !SSL_use_PrivateKey(ssl
, exc
->key
)) {
824 * NB: we wouldn't normally do this as it is not efficient
825 * building chains on each connection better to cache the chain
828 if (exc
->build_chain
) {
829 if (!SSL_build_cert_chain(ssl
, 0))
831 } else if (exc
->chain
)
832 SSL_set1_chain(ssl
, exc
->chain
);
839 void ssl_ctx_set_excert(SSL_CTX
*ctx
, SSL_EXCERT
*exc
)
841 SSL_CTX_set_cert_cb(ctx
, set_cert_cb
, exc
);
844 static int ssl_excert_prepend(SSL_EXCERT
**pexc
)
846 SSL_EXCERT
*exc
= app_malloc(sizeof(*exc
), "prepend cert");
848 memset(exc
, 0, sizeof(*exc
));
854 exc
->certform
= exc
->next
->certform
;
855 exc
->keyform
= exc
->next
->keyform
;
856 exc
->next
->prev
= exc
;
858 exc
->certform
= FORMAT_PEM
;
859 exc
->keyform
= FORMAT_PEM
;
865 void ssl_excert_free(SSL_EXCERT
*exc
)
872 X509_free(exc
->cert
);
873 EVP_PKEY_free(exc
->key
);
874 sk_X509_pop_free(exc
->chain
, X509_free
);
881 int load_excert(SSL_EXCERT
**pexc
)
883 SSL_EXCERT
*exc
= *pexc
;
886 /* If nothing in list, free and set to NULL */
887 if (!exc
->certfile
&& !exc
->next
) {
888 ssl_excert_free(exc
);
892 for (; exc
; exc
= exc
->next
) {
893 if (!exc
->certfile
) {
894 BIO_printf(bio_err
, "Missing filename\n");
897 exc
->cert
= load_cert(exc
->certfile
, exc
->certform
,
898 "Server Certificate");
902 exc
->key
= load_key(exc
->keyfile
, exc
->keyform
,
903 0, NULL
, NULL
, "Server Key");
905 exc
->key
= load_key(exc
->certfile
, exc
->certform
,
906 0, NULL
, NULL
, "Server Key");
910 if (exc
->chainfile
) {
911 if (!load_certs(exc
->chainfile
, &exc
->chain
, FORMAT_PEM
, NULL
,
919 enum range
{ OPT_X_ENUM
};
921 int args_excert(int opt
, SSL_EXCERT
**pexc
)
923 SSL_EXCERT
*exc
= *pexc
;
925 assert(opt
> OPT_X__FIRST
);
926 assert(opt
< OPT_X__LAST
);
929 if (!ssl_excert_prepend(&exc
)) {
930 BIO_printf(bio_err
, " %s: Error initialising xcert\n",
937 switch ((enum range
)opt
) {
942 if (exc
->certfile
&& !ssl_excert_prepend(&exc
)) {
943 BIO_printf(bio_err
, "%s: Error adding xcert\n", opt_getprog());
946 exc
->certfile
= opt_arg();
950 BIO_printf(bio_err
, "%s: Key already specified\n", opt_getprog());
953 exc
->keyfile
= opt_arg();
956 if (exc
->chainfile
) {
957 BIO_printf(bio_err
, "%s: Chain already specified\n",
961 exc
->chainfile
= opt_arg();
963 case OPT_X_CHAIN_BUILD
:
964 exc
->build_chain
= 1;
967 if (!opt_format(opt_arg(), OPT_FMT_PEMDER
, &exc
->certform
))
971 if (!opt_format(opt_arg(), OPT_FMT_PEMDER
, &exc
->keyform
))
978 ERR_print_errors(bio_err
);
979 ssl_excert_free(exc
);
984 static void print_raw_cipherlist(SSL
*s
)
986 const unsigned char *rlist
;
987 static const unsigned char scsv_id
[] = { 0, 0xFF };
988 size_t i
, rlistlen
, num
;
989 if (!SSL_is_server(s
))
991 num
= SSL_get0_raw_cipherlist(s
, NULL
);
992 OPENSSL_assert(num
== 2);
993 rlistlen
= SSL_get0_raw_cipherlist(s
, &rlist
);
994 BIO_puts(bio_err
, "Client cipher list: ");
995 for (i
= 0; i
< rlistlen
; i
+= num
, rlist
+= num
) {
996 const SSL_CIPHER
*c
= SSL_CIPHER_find(s
, rlist
);
998 BIO_puts(bio_err
, ":");
1000 BIO_puts(bio_err
, SSL_CIPHER_get_name(c
));
1001 else if (!memcmp(rlist
, scsv_id
, num
))
1002 BIO_puts(bio_err
, "SCSV");
1005 BIO_puts(bio_err
, "0x");
1006 for (j
= 0; j
< num
; j
++)
1007 BIO_printf(bio_err
, "%02X", rlist
[j
]);
1010 BIO_puts(bio_err
, "\n");
1014 * Hex encoder for TLSA RRdata, not ':' delimited.
1016 static char *hexencode(const unsigned char *data
, size_t len
)
1018 static const char *hex
= "0123456789abcdef";
1021 size_t outlen
= 2 * len
+ 1;
1022 int ilen
= (int) outlen
;
1024 if (outlen
< len
|| ilen
< 0 || outlen
!= (size_t)ilen
) {
1025 BIO_printf(bio_err
, "%s: %" PRIu64
"-byte buffer too large to hexencode\n",
1026 opt_getprog(), (uint64_t)len
);
1029 cp
= out
= app_malloc(ilen
, "TLSA hex data buffer");
1032 *cp
++ = hex
[(*data
>> 4) & 0x0f];
1033 *cp
++ = hex
[*data
++ & 0x0f];
1039 void print_verify_detail(SSL
*s
, BIO
*bio
)
1043 long verify_err
= SSL_get_verify_result(s
);
1045 if (verify_err
== X509_V_OK
) {
1046 const char *peername
= SSL_get0_peername(s
);
1048 BIO_printf(bio
, "Verification: OK\n");
1049 if (peername
!= NULL
)
1050 BIO_printf(bio
, "Verified peername: %s\n", peername
);
1052 const char *reason
= X509_verify_cert_error_string(verify_err
);
1054 BIO_printf(bio
, "Verification error: %s\n", reason
);
1057 if ((mdpth
= SSL_get0_dane_authority(s
, NULL
, &mspki
)) >= 0) {
1058 uint8_t usage
, selector
, mtype
;
1059 const unsigned char *data
= NULL
;
1063 mdpth
= SSL_get0_dane_tlsa(s
, &usage
, &selector
, &mtype
, &data
, &dlen
);
1066 * The TLSA data field can be quite long when it is a certificate,
1067 * public key or even a SHA2-512 digest. Because the initial octets of
1068 * ASN.1 certificates and public keys contain mostly boilerplate OIDs
1069 * and lengths, we show the last 12 bytes of the data instead, as these
1070 * are more likely to distinguish distinct TLSA records.
1072 #define TLSA_TAIL_SIZE 12
1073 if (dlen
> TLSA_TAIL_SIZE
)
1074 hexdata
= hexencode(data
+ dlen
- TLSA_TAIL_SIZE
, TLSA_TAIL_SIZE
);
1076 hexdata
= hexencode(data
, dlen
);
1077 BIO_printf(bio
, "DANE TLSA %d %d %d %s%s %s at depth %d\n",
1078 usage
, selector
, mtype
,
1079 (dlen
> TLSA_TAIL_SIZE
) ? "..." : "", hexdata
,
1080 (mspki
!= NULL
) ? "signed the certificate" :
1081 mdpth
? "matched TA certificate" : "matched EE certificate",
1083 OPENSSL_free(hexdata
);
1087 void print_ssl_summary(SSL
*s
)
1089 const SSL_CIPHER
*c
;
1091 /* const char *pnam = SSL_is_server(s) ? "client" : "server"; */
1093 BIO_printf(bio_err
, "Protocol version: %s\n", SSL_get_version(s
));
1094 print_raw_cipherlist(s
);
1095 c
= SSL_get_current_cipher(s
);
1096 BIO_printf(bio_err
, "Ciphersuite: %s\n", SSL_CIPHER_get_name(c
));
1097 do_print_sigalgs(bio_err
, s
, 0);
1098 peer
= SSL_get_peer_certificate(s
);
1102 BIO_puts(bio_err
, "Peer certificate: ");
1103 X509_NAME_print_ex(bio_err
, X509_get_subject_name(peer
),
1104 0, XN_FLAG_ONELINE
);
1105 BIO_puts(bio_err
, "\n");
1106 if (SSL_get_peer_signature_nid(s
, &nid
))
1107 BIO_printf(bio_err
, "Hash used: %s\n", OBJ_nid2sn(nid
));
1108 if (SSL_get_peer_signature_type_nid(s
, &nid
))
1109 BIO_printf(bio_err
, "Signature type: %s\n", get_sigtype(nid
));
1110 print_verify_detail(s
, bio_err
);
1112 BIO_puts(bio_err
, "No peer certificate\n");
1114 #ifndef OPENSSL_NO_EC
1115 ssl_print_point_formats(bio_err
, s
);
1116 if (SSL_is_server(s
))
1117 ssl_print_groups(bio_err
, s
, 1);
1119 ssl_print_tmp_key(bio_err
, s
);
1121 if (!SSL_is_server(s
))
1122 ssl_print_tmp_key(bio_err
, s
);
1126 int config_ctx(SSL_CONF_CTX
*cctx
, STACK_OF(OPENSSL_STRING
) *str
,
1131 SSL_CONF_CTX_set_ssl_ctx(cctx
, ctx
);
1132 for (i
= 0; i
< sk_OPENSSL_STRING_num(str
); i
+= 2) {
1133 const char *flag
= sk_OPENSSL_STRING_value(str
, i
);
1134 const char *arg
= sk_OPENSSL_STRING_value(str
, i
+ 1);
1135 if (SSL_CONF_cmd(cctx
, flag
, arg
) <= 0) {
1137 BIO_printf(bio_err
, "Error with command: \"%s %s\"\n",
1140 BIO_printf(bio_err
, "Error with command: \"%s\"\n", flag
);
1141 ERR_print_errors(bio_err
);
1145 if (!SSL_CONF_CTX_finish(cctx
)) {
1146 BIO_puts(bio_err
, "Error finishing context\n");
1147 ERR_print_errors(bio_err
);
1153 static int add_crls_store(X509_STORE
*st
, STACK_OF(X509_CRL
) *crls
)
1157 for (i
= 0; i
< sk_X509_CRL_num(crls
); i
++) {
1158 crl
= sk_X509_CRL_value(crls
, i
);
1159 X509_STORE_add_crl(st
, crl
);
1164 int ssl_ctx_add_crls(SSL_CTX
*ctx
, STACK_OF(X509_CRL
) *crls
, int crl_download
)
1167 st
= SSL_CTX_get_cert_store(ctx
);
1168 add_crls_store(st
, crls
);
1170 store_setup_crl_download(st
);
1174 int ssl_load_stores(SSL_CTX
*ctx
,
1175 const char *vfyCApath
, const char *vfyCAfile
,
1176 const char *chCApath
, const char *chCAfile
,
1177 STACK_OF(X509_CRL
) *crls
, int crl_download
)
1179 X509_STORE
*vfy
= NULL
, *ch
= NULL
;
1181 if (vfyCApath
!= NULL
|| vfyCAfile
!= NULL
) {
1182 vfy
= X509_STORE_new();
1185 if (!X509_STORE_load_locations(vfy
, vfyCAfile
, vfyCApath
))
1187 add_crls_store(vfy
, crls
);
1188 SSL_CTX_set1_verify_cert_store(ctx
, vfy
);
1190 store_setup_crl_download(vfy
);
1192 if (chCApath
!= NULL
|| chCAfile
!= NULL
) {
1193 ch
= X509_STORE_new();
1196 if (!X509_STORE_load_locations(ch
, chCAfile
, chCApath
))
1198 SSL_CTX_set1_chain_cert_store(ctx
, ch
);
1202 X509_STORE_free(vfy
);
1203 X509_STORE_free(ch
);
1207 /* Verbose print out of security callback */
1212 int (*old_cb
) (const SSL
*s
, const SSL_CTX
*ctx
, int op
, int bits
, int nid
,
1213 void *other
, void *ex
);
1214 } security_debug_ex
;
1216 static STRINT_PAIR callback_types
[] = {
1217 {"Supported Ciphersuite", SSL_SECOP_CIPHER_SUPPORTED
},
1218 {"Shared Ciphersuite", SSL_SECOP_CIPHER_SHARED
},
1219 {"Check Ciphersuite", SSL_SECOP_CIPHER_CHECK
},
1220 #ifndef OPENSSL_NO_DH
1221 {"Temp DH key bits", SSL_SECOP_TMP_DH
},
1223 {"Supported Curve", SSL_SECOP_CURVE_SUPPORTED
},
1224 {"Shared Curve", SSL_SECOP_CURVE_SHARED
},
1225 {"Check Curve", SSL_SECOP_CURVE_CHECK
},
1226 {"Supported Signature Algorithm digest", SSL_SECOP_SIGALG_SUPPORTED
},
1227 {"Shared Signature Algorithm digest", SSL_SECOP_SIGALG_SHARED
},
1228 {"Check Signature Algorithm digest", SSL_SECOP_SIGALG_CHECK
},
1229 {"Signature Algorithm mask", SSL_SECOP_SIGALG_MASK
},
1230 {"Certificate chain EE key", SSL_SECOP_EE_KEY
},
1231 {"Certificate chain CA key", SSL_SECOP_CA_KEY
},
1232 {"Peer Chain EE key", SSL_SECOP_PEER_EE_KEY
},
1233 {"Peer Chain CA key", SSL_SECOP_PEER_CA_KEY
},
1234 {"Certificate chain CA digest", SSL_SECOP_CA_MD
},
1235 {"Peer chain CA digest", SSL_SECOP_PEER_CA_MD
},
1236 {"SSL compression", SSL_SECOP_COMPRESSION
},
1237 {"Session ticket", SSL_SECOP_TICKET
},
1241 static int security_callback_debug(const SSL
*s
, const SSL_CTX
*ctx
,
1242 int op
, int bits
, int nid
,
1243 void *other
, void *ex
)
1245 security_debug_ex
*sdb
= ex
;
1246 int rv
, show_bits
= 1, cert_md
= 0;
1248 rv
= sdb
->old_cb(s
, ctx
, op
, bits
, nid
, other
, ex
);
1249 if (rv
== 1 && sdb
->verbose
< 2)
1251 BIO_puts(sdb
->out
, "Security callback: ");
1253 nm
= lookup(op
, callback_types
, NULL
);
1255 case SSL_SECOP_TICKET
:
1256 case SSL_SECOP_COMPRESSION
:
1260 case SSL_SECOP_VERSION
:
1261 BIO_printf(sdb
->out
, "Version=%s", lookup(nid
, ssl_versions
, "???"));
1265 case SSL_SECOP_CA_MD
:
1266 case SSL_SECOP_PEER_CA_MD
:
1271 BIO_printf(sdb
->out
, "%s=", nm
);
1273 switch (op
& SSL_SECOP_OTHER_TYPE
) {
1275 case SSL_SECOP_OTHER_CIPHER
:
1276 BIO_puts(sdb
->out
, SSL_CIPHER_get_name(other
));
1279 #ifndef OPENSSL_NO_EC
1280 case SSL_SECOP_OTHER_CURVE
:
1283 cname
= EC_curve_nid2nist(nid
);
1285 cname
= OBJ_nid2sn(nid
);
1286 BIO_puts(sdb
->out
, cname
);
1290 #ifndef OPENSSL_NO_DH
1291 case SSL_SECOP_OTHER_DH
:
1294 BIO_printf(sdb
->out
, "%d", DH_bits(dh
));
1298 case SSL_SECOP_OTHER_CERT
:
1301 int sig_nid
= X509_get_signature_nid(other
);
1302 BIO_puts(sdb
->out
, OBJ_nid2sn(sig_nid
));
1304 EVP_PKEY
*pkey
= X509_get0_pubkey(other
);
1305 const char *algname
= "";
1306 EVP_PKEY_asn1_get0_info(NULL
, NULL
, NULL
, NULL
,
1307 &algname
, EVP_PKEY_get0_asn1(pkey
));
1308 BIO_printf(sdb
->out
, "%s, bits=%d",
1309 algname
, EVP_PKEY_bits(pkey
));
1313 case SSL_SECOP_OTHER_SIGALG
:
1315 const unsigned char *salg
= other
;
1316 const char *sname
= NULL
;
1318 case TLSEXT_signature_anonymous
:
1319 sname
= "anonymous";
1321 case TLSEXT_signature_rsa
:
1324 case TLSEXT_signature_dsa
:
1327 case TLSEXT_signature_ecdsa
:
1332 BIO_puts(sdb
->out
, OBJ_nid2sn(nid
));
1334 BIO_printf(sdb
->out
, ", algorithm=%s", sname
);
1336 BIO_printf(sdb
->out
, ", algid=%d", salg
[1]);
1343 BIO_printf(sdb
->out
, ", security bits=%d", bits
);
1344 BIO_printf(sdb
->out
, ": %s\n", rv
? "yes" : "no");
1348 void ssl_ctx_security_debug(SSL_CTX
*ctx
, int verbose
)
1350 static security_debug_ex sdb
;
1353 sdb
.verbose
= verbose
;
1354 sdb
.old_cb
= SSL_CTX_get_security_callback(ctx
);
1355 SSL_CTX_set_security_callback(ctx
, security_callback_debug
);
1356 SSL_CTX_set0_security_ex_data(ctx
, &sdb
);