1 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
4 * This package is an SSL implementation written
5 * by Eric Young (eay@cryptsoft.com).
6 * The implementation was written so as to conform with Netscapes SSL.
8 * This library is free for commercial and non-commercial use as long as
9 * the following conditions are aheared to. The following conditions
10 * apply to all code found in this distribution, be it the RC4, RSA,
11 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
12 * included with this distribution is covered by the same copyright terms
13 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 * Copyright remains Eric Young's, and as such any Copyright notices in
16 * the code are not to be removed.
17 * If this package is used in a product, Eric Young should be given attribution
18 * as the author of the parts of the library used.
19 * This can be in the form of a textual message at program startup or
20 * in documentation (online or textual) provided with the package.
22 * Redistribution and use in source and binary forms, with or without
23 * modification, are permitted provided that the following conditions
25 * 1. Redistributions of source code must retain the copyright
26 * notice, this list of conditions and the following disclaimer.
27 * 2. Redistributions in binary form must reproduce the above copyright
28 * notice, this list of conditions and the following disclaimer in the
29 * documentation and/or other materials provided with the distribution.
30 * 3. All advertising materials mentioning features or use of this software
31 * must display the following acknowledgement:
32 * "This product includes cryptographic software written by
33 * Eric Young (eay@cryptsoft.com)"
34 * The word 'cryptographic' can be left out if the rouines from the library
35 * being used are not cryptographic related :-).
36 * 4. If you include any Windows specific code (or a derivative thereof) from
37 * the apps directory (application code) you must include an acknowledgement:
38 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
41 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
43 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
44 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
45 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
46 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
48 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
49 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
52 * The licence and distribution terms for any publically available version or
53 * derivative of this code cannot be changed. i.e. this code cannot simply be
54 * copied and put under another distribution licence
55 * [including the GNU Public Licence.]
57 /* ====================================================================
58 * Copyright (c) 1998-2006 The OpenSSL Project. All rights reserved.
60 * Redistribution and use in source and binary forms, with or without
61 * modification, are permitted provided that the following conditions
64 * 1. Redistributions of source code must retain the above copyright
65 * notice, this list of conditions and the following disclaimer.
67 * 2. Redistributions in binary form must reproduce the above copyright
68 * notice, this list of conditions and the following disclaimer in
69 * the documentation and/or other materials provided with the
72 * 3. All advertising materials mentioning features or use of this
73 * software must display the following acknowledgment:
74 * "This product includes software developed by the OpenSSL Project
75 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
77 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
78 * endorse or promote products derived from this software without
79 * prior written permission. For written permission, please contact
80 * openssl-core@openssl.org.
82 * 5. Products derived from this software may not be called "OpenSSL"
83 * nor may "OpenSSL" appear in their names without prior written
84 * permission of the OpenSSL Project.
86 * 6. Redistributions of any form whatsoever must retain the following
88 * "This product includes software developed by the OpenSSL Project
89 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
91 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
92 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
93 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
94 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
95 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
96 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
97 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
98 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
99 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
100 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
101 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
102 * OF THE POSSIBILITY OF SUCH DAMAGE.
103 * ====================================================================
105 * This product includes cryptographic software written by Eric Young
106 * (eay@cryptsoft.com). This product includes software written by Tim
107 * Hudson (tjh@cryptsoft.com).
111 /* callback functions used by s_client, s_server, and s_time */
114 #include <string.h> /* for memcpy() and strcmp() */
118 #include <openssl/err.h>
119 #include <openssl/rand.h>
120 #include <openssl/x509.h>
121 #include <openssl/ssl.h>
122 #include <openssl/bn.h>
123 #ifndef OPENSSL_NO_DH
124 # include <openssl/dh.h>
128 #define COOKIE_SECRET_LENGTH 16
130 int verify_depth
= 0;
131 int verify_quiet
= 0;
132 int verify_error
= X509_V_OK
;
133 int verify_return_error
= 0;
134 static unsigned char cookie_secret
[COOKIE_SECRET_LENGTH
];
135 static int cookie_initialized
= 0;
137 static const char *lookup(int val
, const STRINT_PAIR
* list
, const char* def
)
139 for ( ; list
->name
; ++list
)
140 if (list
->retval
== val
)
145 int verify_callback(int ok
, X509_STORE_CTX
*ctx
)
150 err_cert
= X509_STORE_CTX_get_current_cert(ctx
);
151 err
= X509_STORE_CTX_get_error(ctx
);
152 depth
= X509_STORE_CTX_get_error_depth(ctx
);
154 if (!verify_quiet
|| !ok
) {
155 BIO_printf(bio_err
, "depth=%d ", depth
);
157 X509_NAME_print_ex(bio_err
,
158 X509_get_subject_name(err_cert
),
160 BIO_puts(bio_err
, "\n");
162 BIO_puts(bio_err
, "<no cert>\n");
165 BIO_printf(bio_err
, "verify error:num=%d:%s\n", err
,
166 X509_verify_cert_error_string(err
));
167 if (verify_depth
>= depth
) {
168 if (!verify_return_error
)
170 verify_error
= X509_V_OK
;
173 verify_error
= X509_V_ERR_CERT_CHAIN_TOO_LONG
;
177 case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT
:
178 BIO_puts(bio_err
, "issuer= ");
179 X509_NAME_print_ex(bio_err
, X509_get_issuer_name(err_cert
),
181 BIO_puts(bio_err
, "\n");
183 case X509_V_ERR_CERT_NOT_YET_VALID
:
184 case X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD
:
185 BIO_printf(bio_err
, "notBefore=");
186 ASN1_TIME_print(bio_err
, X509_get_notBefore(err_cert
));
187 BIO_printf(bio_err
, "\n");
189 case X509_V_ERR_CERT_HAS_EXPIRED
:
190 case X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD
:
191 BIO_printf(bio_err
, "notAfter=");
192 ASN1_TIME_print(bio_err
, X509_get_notAfter(err_cert
));
193 BIO_printf(bio_err
, "\n");
195 case X509_V_ERR_NO_EXPLICIT_POLICY
:
200 if (err
== X509_V_OK
&& ok
== 2 && !verify_quiet
)
202 if (ok
&& !verify_quiet
)
203 BIO_printf(bio_err
, "verify return:%d\n", ok
);
207 int set_cert_stuff(SSL_CTX
*ctx
, char *cert_file
, char *key_file
)
209 if (cert_file
!= NULL
) {
210 if (SSL_CTX_use_certificate_file(ctx
, cert_file
,
211 SSL_FILETYPE_PEM
) <= 0) {
212 BIO_printf(bio_err
, "unable to get certificate from '%s'\n",
214 ERR_print_errors(bio_err
);
217 if (key_file
== NULL
)
218 key_file
= cert_file
;
219 if (SSL_CTX_use_PrivateKey_file(ctx
, key_file
, SSL_FILETYPE_PEM
) <= 0) {
220 BIO_printf(bio_err
, "unable to get private key from '%s'\n",
222 ERR_print_errors(bio_err
);
227 * If we are using DSA, we can copy the parameters from the private
232 * Now we know that a key and cert have been set against the SSL
235 if (!SSL_CTX_check_private_key(ctx
)) {
237 "Private key does not match the certificate public key\n");
244 int set_cert_key_stuff(SSL_CTX
*ctx
, X509
*cert
, EVP_PKEY
*key
,
245 STACK_OF(X509
) *chain
, int build_chain
)
247 int chflags
= chain
? SSL_BUILD_CHAIN_FLAG_CHECK
: 0;
250 if (SSL_CTX_use_certificate(ctx
, cert
) <= 0) {
251 BIO_printf(bio_err
, "error setting certificate\n");
252 ERR_print_errors(bio_err
);
256 if (SSL_CTX_use_PrivateKey(ctx
, key
) <= 0) {
257 BIO_printf(bio_err
, "error setting private key\n");
258 ERR_print_errors(bio_err
);
263 * Now we know that a key and cert have been set against the SSL context
265 if (!SSL_CTX_check_private_key(ctx
)) {
267 "Private key does not match the certificate public key\n");
270 if (chain
&& !SSL_CTX_set1_chain(ctx
, chain
)) {
271 BIO_printf(bio_err
, "error setting certificate chain\n");
272 ERR_print_errors(bio_err
);
275 if (build_chain
&& !SSL_CTX_build_cert_chain(ctx
, chflags
)) {
276 BIO_printf(bio_err
, "error building certificate chain\n");
277 ERR_print_errors(bio_err
);
283 static STRINT_PAIR cert_type_list
[] = {
284 {"RSA sign", TLS_CT_RSA_SIGN
},
285 {"DSA sign", TLS_CT_DSS_SIGN
},
286 {"RSA fixed DH", TLS_CT_RSA_FIXED_DH
},
287 {"DSS fixed DH", TLS_CT_DSS_FIXED_DH
},
288 {"ECDSA sign", TLS_CT_ECDSA_SIGN
},
289 {"RSA fixed ECDH", TLS_CT_RSA_FIXED_ECDH
},
290 {"ECDSA fixed ECDH", TLS_CT_ECDSA_FIXED_ECDH
},
291 {"GOST01 Sign", TLS_CT_GOST01_SIGN
},
295 static void ssl_print_client_cert_types(BIO
*bio
, SSL
*s
)
297 const unsigned char *p
;
299 int cert_type_num
= SSL_get0_certificate_types(s
, &p
);
302 BIO_puts(bio
, "Client Certificate Types: ");
303 for (i
= 0; i
< cert_type_num
; i
++) {
304 unsigned char cert_type
= p
[i
];
305 const char *cname
= lookup((int)cert_type
, cert_type_list
, NULL
);
310 BIO_puts(bio
, cname
);
312 BIO_printf(bio
, "UNKNOWN (%d),", cert_type
);
317 static int do_print_sigalgs(BIO
*out
, SSL
*s
, int shared
)
320 client
= SSL_is_server(s
) ? 0 : 1;
322 nsig
= SSL_get_shared_sigalgs(s
, -1, NULL
, NULL
, NULL
, NULL
, NULL
);
324 nsig
= SSL_get_sigalgs(s
, -1, NULL
, NULL
, NULL
, NULL
, NULL
);
329 BIO_puts(out
, "Shared ");
332 BIO_puts(out
, "Requested ");
333 BIO_puts(out
, "Signature Algorithms: ");
334 for (i
= 0; i
< nsig
; i
++) {
335 int hash_nid
, sign_nid
;
336 unsigned char rhash
, rsign
;
337 const char *sstr
= NULL
;
339 SSL_get_shared_sigalgs(s
, i
, &sign_nid
, &hash_nid
, NULL
,
342 SSL_get_sigalgs(s
, i
, &sign_nid
, &hash_nid
, NULL
, &rsign
, &rhash
);
345 if (sign_nid
== EVP_PKEY_RSA
)
347 else if (sign_nid
== EVP_PKEY_DSA
)
349 else if (sign_nid
== EVP_PKEY_EC
)
352 BIO_printf(out
, "%s+", sstr
);
354 BIO_printf(out
, "0x%02X+", (int)rsign
);
355 if (hash_nid
!= NID_undef
)
356 BIO_printf(out
, "%s", OBJ_nid2sn(hash_nid
));
358 BIO_printf(out
, "0x%02X", (int)rhash
);
364 int ssl_print_sigalgs(BIO
*out
, SSL
*s
)
367 if (!SSL_is_server(s
))
368 ssl_print_client_cert_types(out
, s
);
369 do_print_sigalgs(out
, s
, 0);
370 do_print_sigalgs(out
, s
, 1);
371 if (SSL_get_peer_signature_nid(s
, &mdnid
))
372 BIO_printf(out
, "Peer signing digest: %s\n", OBJ_nid2sn(mdnid
));
376 #ifndef OPENSSL_NO_EC
377 int ssl_print_point_formats(BIO
*out
, SSL
*s
)
380 const char *pformats
;
381 nformats
= SSL_get0_ec_point_formats(s
, &pformats
);
384 BIO_puts(out
, "Supported Elliptic Curve Point Formats: ");
385 for (i
= 0; i
< nformats
; i
++, pformats
++) {
389 case TLSEXT_ECPOINTFORMAT_uncompressed
:
390 BIO_puts(out
, "uncompressed");
393 case TLSEXT_ECPOINTFORMAT_ansiX962_compressed_prime
:
394 BIO_puts(out
, "ansiX962_compressed_prime");
397 case TLSEXT_ECPOINTFORMAT_ansiX962_compressed_char2
:
398 BIO_puts(out
, "ansiX962_compressed_char2");
402 BIO_printf(out
, "unknown(%d)", (int)*pformats
);
408 BIO_puts(out
, "NONE");
413 int ssl_print_curves(BIO
*out
, SSL
*s
, int noshared
)
415 int i
, ncurves
, *curves
, nid
;
418 ncurves
= SSL_get1_curves(s
, NULL
);
421 curves
= app_malloc(ncurves
* sizeof(int), "curves to print");
422 SSL_get1_curves(s
, curves
);
424 BIO_puts(out
, "Supported Elliptic Curves: ");
425 for (i
= 0; i
< ncurves
; i
++) {
429 /* If unrecognised print out hex version */
430 if (nid
& TLSEXT_nid_unknown
)
431 BIO_printf(out
, "0x%04X", nid
& 0xFFFF);
433 /* Use NIST name for curve if it exists */
434 cname
= EC_curve_nid2nist(nid
);
436 cname
= OBJ_nid2sn(nid
);
437 BIO_printf(out
, "%s", cname
);
441 BIO_puts(out
, "NONE");
442 OPENSSL_free(curves
);
447 BIO_puts(out
, "\nShared Elliptic curves: ");
448 ncurves
= SSL_get_shared_curve(s
, -1);
449 for (i
= 0; i
< ncurves
; i
++) {
452 nid
= SSL_get_shared_curve(s
, i
);
453 cname
= EC_curve_nid2nist(nid
);
455 cname
= OBJ_nid2sn(nid
);
456 BIO_printf(out
, "%s", cname
);
459 BIO_puts(out
, "NONE");
464 int ssl_print_tmp_key(BIO
*out
, SSL
*s
)
467 if (!SSL_get_server_tmp_key(s
, &key
))
469 BIO_puts(out
, "Server Temp Key: ");
470 switch (EVP_PKEY_id(key
)) {
472 BIO_printf(out
, "RSA, %d bits\n", EVP_PKEY_bits(key
));
476 BIO_printf(out
, "DH, %d bits\n", EVP_PKEY_bits(key
));
478 #ifndef OPENSSL_NO_EC
481 EC_KEY
*ec
= EVP_PKEY_get1_EC_KEY(key
);
484 nid
= EC_GROUP_get_curve_name(EC_KEY_get0_group(ec
));
486 cname
= EC_curve_nid2nist(nid
);
488 cname
= OBJ_nid2sn(nid
);
489 BIO_printf(out
, "ECDH, %s, %d bits\n", cname
, EVP_PKEY_bits(key
));
497 long bio_dump_callback(BIO
*bio
, int cmd
, const char *argp
,
498 int argi
, long argl
, long ret
)
502 out
= (BIO
*)BIO_get_callback_arg(bio
);
506 if (cmd
== (BIO_CB_READ
| BIO_CB_RETURN
)) {
507 BIO_printf(out
, "read from %p [%p] (%lu bytes => %ld (0x%lX))\n",
508 (void *)bio
, argp
, (unsigned long)argi
, ret
, ret
);
509 BIO_dump(out
, argp
, (int)ret
);
511 } else if (cmd
== (BIO_CB_WRITE
| BIO_CB_RETURN
)) {
512 BIO_printf(out
, "write to %p [%p] (%lu bytes => %ld (0x%lX))\n",
513 (void *)bio
, argp
, (unsigned long)argi
, ret
, ret
);
514 BIO_dump(out
, argp
, (int)ret
);
519 void apps_ssl_info_callback(const SSL
*s
, int where
, int ret
)
524 w
= where
& ~SSL_ST_MASK
;
526 if (w
& SSL_ST_CONNECT
)
528 else if (w
& SSL_ST_ACCEPT
)
533 if (where
& SSL_CB_LOOP
) {
534 BIO_printf(bio_err
, "%s:%s\n", str
, SSL_state_string_long(s
));
535 } else if (where
& SSL_CB_ALERT
) {
536 str
= (where
& SSL_CB_READ
) ? "read" : "write";
537 BIO_printf(bio_err
, "SSL3 alert %s:%s:%s\n",
539 SSL_alert_type_string_long(ret
),
540 SSL_alert_desc_string_long(ret
));
541 } else if (where
& SSL_CB_EXIT
) {
543 BIO_printf(bio_err
, "%s:failed in %s\n",
544 str
, SSL_state_string_long(s
));
546 BIO_printf(bio_err
, "%s:error in %s\n",
547 str
, SSL_state_string_long(s
));
552 static STRINT_PAIR ssl_versions
[] = {
553 {"SSL 3.0", SSL3_VERSION
},
554 {"TLS 1.0", TLS1_VERSION
},
555 {"TLS 1.1", TLS1_1_VERSION
},
556 {"TLS 1.2", TLS1_2_VERSION
},
557 {"DTLS 1.0", DTLS1_VERSION
},
558 {"DTLS 1.0 (bad)", DTLS1_BAD_VER
},
561 static STRINT_PAIR alert_types
[] = {
562 {" close_notify", 0},
563 {" unexpected_message", 10},
564 {" bad_record_mac", 20},
565 {" decryption_failed", 21},
566 {" record_overflow", 22},
567 {" decompression_failure", 30},
568 {" handshake_failure", 40},
569 {" bad_certificate", 42},
570 {" unsupported_certificate", 43},
571 {" certificate_revoked", 44},
572 {" certificate_expired", 45},
573 {" certificate_unknown", 46},
574 {" illegal_parameter", 47},
576 {" access_denied", 49},
577 {" decode_error", 50},
578 {" decrypt_error", 51},
579 {" export_restriction", 60},
580 {" protocol_version", 70},
581 {" insufficient_security", 71},
582 {" internal_error", 80},
583 {" user_canceled", 90},
584 {" no_renegotiation", 100},
585 {" unsupported_extension", 110},
586 {" certificate_unobtainable", 111},
587 {" unrecognized_name", 112},
588 {" bad_certificate_status_response", 113},
589 {" bad_certificate_hash_value", 114},
590 {" unknown_psk_identity", 115},
594 static STRINT_PAIR handshakes
[] = {
595 {", HelloRequest", 0},
596 {", ClientHello", 1},
597 {", ServerHello", 2},
598 {", HelloVerifyRequest", 3},
599 {", Certificate", 11},
600 {", ServerKeyExchange", 12},
601 {", CertificateRequest", 13},
602 {", ServerHelloDone", 14},
603 {", CertificateVerify", 15},
604 {", ClientKeyExchange", 16},
609 void msg_cb(int write_p
, int version
, int content_type
, const void *buf
,
610 size_t len
, SSL
*ssl
, void *arg
)
613 const char *str_write_p
= write_p
? ">>>" : "<<<";
614 const char *str_version
= lookup(version
, ssl_versions
, "???");
615 const char *str_content_type
= "", *str_details1
= "", *str_details2
= "";
616 const unsigned char* bp
= buf
;
618 if (version
== SSL3_VERSION
||
619 version
== TLS1_VERSION
||
620 version
== TLS1_1_VERSION
||
621 version
== TLS1_2_VERSION
||
622 version
== DTLS1_VERSION
|| version
== DTLS1_BAD_VER
) {
623 switch (content_type
) {
625 str_content_type
= "ChangeCipherSpec";
628 str_content_type
= "Alert";
629 str_details1
= ", ???";
633 str_details1
= ", warning";
636 str_details1
= ", fatal";
639 str_details2
= lookup((int)bp
[1], alert_types
, " ???");
643 str_content_type
= "Handshake";
644 str_details1
= "???";
646 str_details1
= lookup((int)bp
[0], handshakes
, "???");
648 #ifndef OPENSSL_NO_HEARTBEATS
650 str_details1
= ", Heartbeat";
655 str_details1
= ", HeartbeatRequest";
658 str_details1
= ", HeartbeatResponse";
667 BIO_printf(bio
, "%s %s%s [length %04lx]%s%s\n", str_write_p
, str_version
,
668 str_content_type
, (unsigned long)len
, str_details1
,
674 BIO_printf(bio
, " ");
676 for (i
= 0; i
< num
; i
++) {
677 if (i
% 16 == 0 && i
> 0)
678 BIO_printf(bio
, "\n ");
679 BIO_printf(bio
, " %02x", ((const unsigned char *)buf
)[i
]);
682 BIO_printf(bio
, " ...");
683 BIO_printf(bio
, "\n");
685 (void)BIO_flush(bio
);
688 static STRINT_PAIR tlsext_types
[] = {
689 {"server name", TLSEXT_TYPE_server_name
},
690 {"max fragment length", TLSEXT_TYPE_max_fragment_length
},
691 {"client certificate URL", TLSEXT_TYPE_client_certificate_url
},
692 {"trusted CA keys", TLSEXT_TYPE_trusted_ca_keys
},
693 {"truncated HMAC", TLSEXT_TYPE_truncated_hmac
},
694 {"status request", TLSEXT_TYPE_status_request
},
695 {"user mapping", TLSEXT_TYPE_user_mapping
},
696 {"client authz", TLSEXT_TYPE_client_authz
},
697 {"server authz", TLSEXT_TYPE_server_authz
},
698 {"cert type", TLSEXT_TYPE_cert_type
},
699 {"elliptic curves", TLSEXT_TYPE_elliptic_curves
},
700 {"EC point formats", TLSEXT_TYPE_ec_point_formats
},
701 {"SRP", TLSEXT_TYPE_srp
},
702 {"signature algorithms", TLSEXT_TYPE_signature_algorithms
},
703 {"use SRTP", TLSEXT_TYPE_use_srtp
},
704 {"heartbeat", TLSEXT_TYPE_heartbeat
},
705 {"session ticket", TLSEXT_TYPE_session_ticket
},
706 {"renegotiation info", TLSEXT_TYPE_renegotiate
},
707 {"TLS padding", TLSEXT_TYPE_padding
},
708 #ifdef TLSEXT_TYPE_next_proto_neg
709 {"next protocol", TLSEXT_TYPE_next_proto_neg
},
711 #ifdef TLSEXT_TYPE_encrypt_then_mac
712 {"encrypt-then-mac", TLSEXT_TYPE_encrypt_then_mac
},
714 #ifdef TLSEXT_TYPE_application_layer_protocol_negotiation
715 {"application layer protocol negotiation",
716 TLSEXT_TYPE_application_layer_protocol_negotiation
},
718 #ifdef TLSEXT_TYPE_extended_master_secret
719 {"extended master secret", TLSEXT_TYPE_extended_master_secret
},
724 void tlsext_cb(SSL
*s
, int client_server
, int type
,
725 unsigned char *data
, int len
, void *arg
)
728 const char *extname
= lookup(type
, tlsext_types
, "unknown");
730 BIO_printf(bio
, "TLS %s extension \"%s\" (id=%d), len=%d\n",
731 client_server
? "server" : "client", extname
, type
, len
);
732 BIO_dump(bio
, (char *)data
, len
);
733 (void)BIO_flush(bio
);
736 int generate_cookie_callback(SSL
*ssl
, unsigned char *cookie
,
737 unsigned int *cookie_len
)
739 unsigned char *buffer
, result
[EVP_MAX_MD_SIZE
];
740 unsigned int length
, resultlength
;
743 struct sockaddr_in s4
;
745 struct sockaddr_in6 s6
;
749 /* Initialize a random secret */
750 if (!cookie_initialized
) {
751 if (RAND_bytes(cookie_secret
, COOKIE_SECRET_LENGTH
) <= 0) {
752 BIO_printf(bio_err
, "error setting random cookie secret\n");
755 cookie_initialized
= 1;
758 /* Read peer information */
759 (void)BIO_dgram_get_peer(SSL_get_rbio(ssl
), &peer
);
761 /* Create buffer with peer's address and port */
763 switch (peer
.sa
.sa_family
) {
765 length
+= sizeof(struct in_addr
);
766 length
+= sizeof(peer
.s4
.sin_port
);
770 length
+= sizeof(struct in6_addr
);
771 length
+= sizeof(peer
.s6
.sin6_port
);
778 buffer
= app_malloc(length
, "cookie generate buffer");
780 switch (peer
.sa
.sa_family
) {
782 memcpy(buffer
, &peer
.s4
.sin_port
, sizeof(peer
.s4
.sin_port
));
783 memcpy(buffer
+ sizeof(peer
.s4
.sin_port
),
784 &peer
.s4
.sin_addr
, sizeof(struct in_addr
));
788 memcpy(buffer
, &peer
.s6
.sin6_port
, sizeof(peer
.s6
.sin6_port
));
789 memcpy(buffer
+ sizeof(peer
.s6
.sin6_port
),
790 &peer
.s6
.sin6_addr
, sizeof(struct in6_addr
));
798 /* Calculate HMAC of buffer using the secret */
799 HMAC(EVP_sha1(), cookie_secret
, COOKIE_SECRET_LENGTH
,
800 buffer
, length
, result
, &resultlength
);
801 OPENSSL_free(buffer
);
803 memcpy(cookie
, result
, resultlength
);
804 *cookie_len
= resultlength
;
809 int verify_cookie_callback(SSL
*ssl
, const unsigned char *cookie
,
810 unsigned int cookie_len
)
812 unsigned char *buffer
, result
[EVP_MAX_MD_SIZE
];
813 unsigned int length
, resultlength
;
816 struct sockaddr_in s4
;
818 struct sockaddr_in6 s6
;
822 /* If secret isn't initialized yet, the cookie can't be valid */
823 if (!cookie_initialized
)
826 /* Read peer information */
827 (void)BIO_dgram_get_peer(SSL_get_rbio(ssl
), &peer
);
829 /* Create buffer with peer's address and port */
831 switch (peer
.sa
.sa_family
) {
833 length
+= sizeof(struct in_addr
);
834 length
+= sizeof(peer
.s4
.sin_port
);
838 length
+= sizeof(struct in6_addr
);
839 length
+= sizeof(peer
.s6
.sin6_port
);
846 buffer
= app_malloc(length
, "cookie verify buffer");
848 switch (peer
.sa
.sa_family
) {
850 memcpy(buffer
, &peer
.s4
.sin_port
, sizeof(peer
.s4
.sin_port
));
851 memcpy(buffer
+ sizeof(peer
.s4
.sin_port
),
852 &peer
.s4
.sin_addr
, sizeof(struct in_addr
));
856 memcpy(buffer
, &peer
.s6
.sin6_port
, sizeof(peer
.s6
.sin6_port
));
857 memcpy(buffer
+ sizeof(peer
.s6
.sin6_port
),
858 &peer
.s6
.sin6_addr
, sizeof(struct in6_addr
));
866 /* Calculate HMAC of buffer using the secret */
867 HMAC(EVP_sha1(), cookie_secret
, COOKIE_SECRET_LENGTH
,
868 buffer
, length
, result
, &resultlength
);
869 OPENSSL_free(buffer
);
871 if (cookie_len
== resultlength
872 && memcmp(result
, cookie
, resultlength
) == 0)
879 * Example of extended certificate handling. Where the standard support of
880 * one certificate per algorithm is not sufficient an application can decide
881 * which certificate(s) to use at runtime based on whatever criteria it deems
885 /* Linked list of certificates, keys and chains */
886 struct ssl_excert_st
{
888 const char *certfile
;
891 const char *chainfile
;
894 STACK_OF(X509
) *chain
;
896 struct ssl_excert_st
*next
, *prev
;
899 static STRINT_PAIR chain_flags
[] = {
900 {"Overall Validity", CERT_PKEY_VALID
},
901 {"Sign with EE key", CERT_PKEY_SIGN
},
902 {"EE signature", CERT_PKEY_EE_SIGNATURE
},
903 {"CA signature", CERT_PKEY_CA_SIGNATURE
},
904 {"EE key parameters", CERT_PKEY_EE_PARAM
},
905 {"CA key parameters", CERT_PKEY_CA_PARAM
},
906 {"Explicity sign with EE key", CERT_PKEY_EXPLICIT_SIGN
},
907 {"Issuer Name", CERT_PKEY_ISSUER_NAME
},
908 {"Certificate Type", CERT_PKEY_CERT_TYPE
},
912 static void print_chain_flags(SSL
*s
, int flags
)
916 for (pp
= chain_flags
; pp
->name
; ++pp
)
917 BIO_printf(bio_err
, "\t%s: %s\n",
919 (flags
& pp
->retval
) ? "OK" : "NOT OK");
920 BIO_printf(bio_err
, "\tSuite B: ");
921 if (SSL_set_cert_flags(s
, 0) & SSL_CERT_FLAG_SUITEB_128_LOS
)
922 BIO_puts(bio_err
, flags
& CERT_PKEY_SUITEB
? "OK\n" : "NOT OK\n");
924 BIO_printf(bio_err
, "not tested\n");
928 * Very basic selection callback: just use any certificate chain reported as
929 * valid. More sophisticated could prioritise according to local policy.
931 static int set_cert_cb(SSL
*ssl
, void *arg
)
934 SSL_EXCERT
*exc
= arg
;
935 #ifdef CERT_CB_TEST_RETRY
936 static int retry_cnt
;
940 "Certificate callback retry test: count %d\n",
945 SSL_certs_clear(ssl
);
951 * Go to end of list and traverse backwards since we prepend newer
952 * entries this retains the original order.
961 rv
= SSL_check_chain(ssl
, exc
->cert
, exc
->key
, exc
->chain
);
962 BIO_printf(bio_err
, "Checking cert chain %d:\nSubject: ", i
);
963 X509_NAME_print_ex(bio_err
, X509_get_subject_name(exc
->cert
), 0,
965 BIO_puts(bio_err
, "\n");
966 print_chain_flags(ssl
, rv
);
967 if (rv
& CERT_PKEY_VALID
) {
968 if (!SSL_use_certificate(ssl
, exc
->cert
)
969 || !SSL_use_PrivateKey(ssl
, exc
->key
)) {
973 * NB: we wouldn't normally do this as it is not efficient
974 * building chains on each connection better to cache the chain
977 if (exc
->build_chain
) {
978 if (!SSL_build_cert_chain(ssl
, 0))
980 } else if (exc
->chain
)
981 SSL_set1_chain(ssl
, exc
->chain
);
988 void ssl_ctx_set_excert(SSL_CTX
*ctx
, SSL_EXCERT
*exc
)
990 SSL_CTX_set_cert_cb(ctx
, set_cert_cb
, exc
);
993 static int ssl_excert_prepend(SSL_EXCERT
**pexc
)
995 SSL_EXCERT
*exc
= app_malloc(sizeof(*exc
), "prepend cert");
997 memset(exc
, 0, sizeof(*exc
));
1003 exc
->certform
= exc
->next
->certform
;
1004 exc
->keyform
= exc
->next
->keyform
;
1005 exc
->next
->prev
= exc
;
1007 exc
->certform
= FORMAT_PEM
;
1008 exc
->keyform
= FORMAT_PEM
;
1014 void ssl_excert_free(SSL_EXCERT
*exc
)
1021 X509_free(exc
->cert
);
1022 EVP_PKEY_free(exc
->key
);
1023 sk_X509_pop_free(exc
->chain
, X509_free
);
1030 int load_excert(SSL_EXCERT
**pexc
)
1032 SSL_EXCERT
*exc
= *pexc
;
1035 /* If nothing in list, free and set to NULL */
1036 if (!exc
->certfile
&& !exc
->next
) {
1037 ssl_excert_free(exc
);
1041 for (; exc
; exc
= exc
->next
) {
1042 if (!exc
->certfile
) {
1043 BIO_printf(bio_err
, "Missing filename\n");
1046 exc
->cert
= load_cert(exc
->certfile
, exc
->certform
,
1047 NULL
, NULL
, "Server Certificate");
1051 exc
->key
= load_key(exc
->keyfile
, exc
->keyform
,
1052 0, NULL
, NULL
, "Server Key");
1054 exc
->key
= load_key(exc
->certfile
, exc
->certform
,
1055 0, NULL
, NULL
, "Server Key");
1059 if (exc
->chainfile
) {
1060 exc
->chain
= load_certs(exc
->chainfile
, FORMAT_PEM
,
1061 NULL
, NULL
, "Server Chain");
1069 enum range
{ OPT_X_ENUM
};
1071 int args_excert(int opt
, SSL_EXCERT
**pexc
)
1073 SSL_EXCERT
*exc
= *pexc
;
1075 assert(opt
> OPT_X__FIRST
);
1076 assert(opt
< OPT_X__LAST
);
1079 if (!ssl_excert_prepend(&exc
)) {
1080 BIO_printf(bio_err
, " %s: Error initialising xcert\n",
1087 switch ((enum range
)opt
) {
1092 if (exc
->certfile
&& !ssl_excert_prepend(&exc
)) {
1093 BIO_printf(bio_err
, "%s: Error adding xcert\n", opt_getprog());
1096 exc
->certfile
= opt_arg();
1100 BIO_printf(bio_err
, "%s: Key already specified\n", opt_getprog());
1103 exc
->keyfile
= opt_arg();
1106 if (exc
->chainfile
) {
1107 BIO_printf(bio_err
, "%s: Chain already specified\n",
1111 exc
->chainfile
= opt_arg();
1113 case OPT_X_CHAIN_BUILD
:
1114 exc
->build_chain
= 1;
1116 case OPT_X_CERTFORM
:
1117 if (!opt_format(opt_arg(), OPT_FMT_PEMDER
, &exc
->certform
))
1121 if (!opt_format(opt_arg(), OPT_FMT_PEMDER
, &exc
->keyform
))
1128 ERR_print_errors(bio_err
);
1129 ssl_excert_free(exc
);
1134 static void print_raw_cipherlist(SSL
*s
)
1136 const unsigned char *rlist
;
1137 static const unsigned char scsv_id
[] = { 0, 0, 0xFF };
1138 size_t i
, rlistlen
, num
;
1139 if (!SSL_is_server(s
))
1141 num
= SSL_get0_raw_cipherlist(s
, NULL
);
1142 rlistlen
= SSL_get0_raw_cipherlist(s
, &rlist
);
1143 BIO_puts(bio_err
, "Client cipher list: ");
1144 for (i
= 0; i
< rlistlen
; i
+= num
, rlist
+= num
) {
1145 const SSL_CIPHER
*c
= SSL_CIPHER_find(s
, rlist
);
1147 BIO_puts(bio_err
, ":");
1149 BIO_puts(bio_err
, SSL_CIPHER_get_name(c
));
1150 else if (!memcmp(rlist
, scsv_id
- num
+ 3, num
))
1151 BIO_puts(bio_err
, "SCSV");
1154 BIO_puts(bio_err
, "0x");
1155 for (j
= 0; j
< num
; j
++)
1156 BIO_printf(bio_err
, "%02X", rlist
[j
]);
1159 BIO_puts(bio_err
, "\n");
1162 void print_ssl_summary(SSL
*s
)
1164 const SSL_CIPHER
*c
;
1166 /* const char *pnam = SSL_is_server(s) ? "client" : "server"; */
1168 BIO_printf(bio_err
, "Protocol version: %s\n", SSL_get_version(s
));
1169 print_raw_cipherlist(s
);
1170 c
= SSL_get_current_cipher(s
);
1171 BIO_printf(bio_err
, "Ciphersuite: %s\n", SSL_CIPHER_get_name(c
));
1172 do_print_sigalgs(bio_err
, s
, 0);
1173 peer
= SSL_get_peer_certificate(s
);
1176 BIO_puts(bio_err
, "Peer certificate: ");
1177 X509_NAME_print_ex(bio_err
, X509_get_subject_name(peer
),
1178 0, XN_FLAG_ONELINE
);
1179 BIO_puts(bio_err
, "\n");
1180 if (SSL_get_peer_signature_nid(s
, &nid
))
1181 BIO_printf(bio_err
, "Hash used: %s\n", OBJ_nid2sn(nid
));
1183 BIO_puts(bio_err
, "No peer certificate\n");
1185 #ifndef OPENSSL_NO_EC
1186 ssl_print_point_formats(bio_err
, s
);
1187 if (SSL_is_server(s
))
1188 ssl_print_curves(bio_err
, s
, 1);
1190 ssl_print_tmp_key(bio_err
, s
);
1192 if (!SSL_is_server(s
))
1193 ssl_print_tmp_key(bio_err
, s
);
1197 int config_ctx(SSL_CONF_CTX
*cctx
, STACK_OF(OPENSSL_STRING
) *str
,
1198 SSL_CTX
*ctx
, int no_ecdhe
, int no_jpake
)
1202 SSL_CONF_CTX_set_ssl_ctx(cctx
, ctx
);
1203 for (i
= 0; i
< sk_OPENSSL_STRING_num(str
); i
+= 2) {
1204 const char *flag
= sk_OPENSSL_STRING_value(str
, i
);
1205 const char *arg
= sk_OPENSSL_STRING_value(str
, i
+ 1);
1206 /* If no_ecdhe or named curve already specified don't need a default. */
1207 if (!no_ecdhe
&& strcmp(flag
, "-named_curve") == 0)
1209 #ifndef OPENSSL_NO_JPAKE
1210 if (!no_jpake
&& (strcmp(flag
, "-cipher") == 0)) {
1211 BIO_puts(bio_err
, "JPAKE sets cipher to PSK\n");
1215 if (SSL_CONF_cmd(cctx
, flag
, arg
) <= 0) {
1217 BIO_printf(bio_err
, "Error with command: \"%s %s\"\n",
1220 BIO_printf(bio_err
, "Error with command: \"%s\"\n", flag
);
1221 ERR_print_errors(bio_err
);
1226 * This is a special case to keep existing s_server functionality: if we
1227 * don't have any curve specified *and* we haven't disabled ECDHE then
1231 if (SSL_CONF_cmd(cctx
, "-named_curve", "P-256") <= 0) {
1232 BIO_puts(bio_err
, "Error setting EC curve\n");
1233 ERR_print_errors(bio_err
);
1237 #ifndef OPENSSL_NO_JPAKE
1239 if (SSL_CONF_cmd(cctx
, "-cipher", "PSK") <= 0) {
1240 BIO_puts(bio_err
, "Error setting cipher to PSK\n");
1241 ERR_print_errors(bio_err
);
1246 if (!SSL_CONF_CTX_finish(cctx
)) {
1247 BIO_puts(bio_err
, "Error finishing context\n");
1248 ERR_print_errors(bio_err
);
1254 static int add_crls_store(X509_STORE
*st
, STACK_OF(X509_CRL
) *crls
)
1258 for (i
= 0; i
< sk_X509_CRL_num(crls
); i
++) {
1259 crl
= sk_X509_CRL_value(crls
, i
);
1260 X509_STORE_add_crl(st
, crl
);
1265 int ssl_ctx_add_crls(SSL_CTX
*ctx
, STACK_OF(X509_CRL
) *crls
, int crl_download
)
1268 st
= SSL_CTX_get_cert_store(ctx
);
1269 add_crls_store(st
, crls
);
1271 store_setup_crl_download(st
);
1275 int ssl_load_stores(SSL_CTX
*ctx
,
1276 const char *vfyCApath
, const char *vfyCAfile
,
1277 const char *chCApath
, const char *chCAfile
,
1278 STACK_OF(X509_CRL
) *crls
, int crl_download
)
1280 X509_STORE
*vfy
= NULL
, *ch
= NULL
;
1282 if (vfyCApath
!= NULL
|| vfyCAfile
!= NULL
) {
1283 vfy
= X509_STORE_new();
1286 if (!X509_STORE_load_locations(vfy
, vfyCAfile
, vfyCApath
))
1288 add_crls_store(vfy
, crls
);
1289 SSL_CTX_set1_verify_cert_store(ctx
, vfy
);
1291 store_setup_crl_download(vfy
);
1293 if (chCApath
!= NULL
|| chCAfile
!= NULL
) {
1294 ch
= X509_STORE_new();
1297 if (!X509_STORE_load_locations(ch
, chCAfile
, chCApath
))
1299 SSL_CTX_set1_chain_cert_store(ctx
, ch
);
1303 X509_STORE_free(vfy
);
1304 X509_STORE_free(ch
);
1308 /* Verbose print out of security callback */
1313 int (*old_cb
) (SSL
*s
, SSL_CTX
*ctx
, int op
, int bits
, int nid
,
1314 void *other
, void *ex
);
1315 } security_debug_ex
;
1317 static STRINT_PAIR callback_types
[] = {
1318 {"Supported Ciphersuite", SSL_SECOP_CIPHER_SUPPORTED
},
1319 {"Shared Ciphersuite", SSL_SECOP_CIPHER_SHARED
},
1320 {"Check Ciphersuite", SSL_SECOP_CIPHER_CHECK
},
1321 #ifndef OPENSSL_NO_DH
1322 {"Temp DH key bits", SSL_SECOP_TMP_DH
},
1324 {"Supported Curve", SSL_SECOP_CURVE_SUPPORTED
},
1325 {"Shared Curve", SSL_SECOP_CURVE_SHARED
},
1326 {"Check Curve", SSL_SECOP_CURVE_CHECK
},
1327 {"Supported Signature Algorithm digest", SSL_SECOP_SIGALG_SUPPORTED
},
1328 {"Shared Signature Algorithm digest", SSL_SECOP_SIGALG_SHARED
},
1329 {"Check Signature Algorithm digest", SSL_SECOP_SIGALG_CHECK
},
1330 {"Signature Algorithm mask", SSL_SECOP_SIGALG_MASK
},
1331 {"Certificate chain EE key", SSL_SECOP_EE_KEY
},
1332 {"Certificate chain CA key", SSL_SECOP_CA_KEY
},
1333 {"Peer Chain EE key", SSL_SECOP_PEER_EE_KEY
},
1334 {"Peer Chain CA key", SSL_SECOP_PEER_CA_KEY
},
1335 {"Certificate chain CA digest", SSL_SECOP_CA_MD
},
1336 {"Peer chain CA digest", SSL_SECOP_PEER_CA_MD
},
1337 {"SSL compression", SSL_SECOP_COMPRESSION
},
1338 {"Session ticket", SSL_SECOP_TICKET
},
1342 static int security_callback_debug(SSL
*s
, SSL_CTX
*ctx
,
1343 int op
, int bits
, int nid
,
1344 void *other
, void *ex
)
1346 security_debug_ex
*sdb
= ex
;
1347 int rv
, show_bits
= 1, cert_md
= 0;
1349 rv
= sdb
->old_cb(s
, ctx
, op
, bits
, nid
, other
, ex
);
1350 if (rv
== 1 && sdb
->verbose
< 2)
1352 BIO_puts(sdb
->out
, "Security callback: ");
1354 nm
= lookup(op
, callback_types
, NULL
);
1356 case SSL_SECOP_TICKET
:
1357 case SSL_SECOP_COMPRESSION
:
1361 case SSL_SECOP_VERSION
:
1362 BIO_printf(sdb
->out
, "Version=%s", lookup(nid
, ssl_versions
, "???"));
1366 case SSL_SECOP_CA_MD
:
1367 case SSL_SECOP_PEER_CA_MD
:
1372 BIO_printf(sdb
->out
, "%s=", nm
);
1374 switch (op
& SSL_SECOP_OTHER_TYPE
) {
1376 case SSL_SECOP_OTHER_CIPHER
:
1377 BIO_puts(sdb
->out
, SSL_CIPHER_get_name(other
));
1380 #ifndef OPENSSL_NO_EC
1381 case SSL_SECOP_OTHER_CURVE
:
1384 cname
= EC_curve_nid2nist(nid
);
1386 cname
= OBJ_nid2sn(nid
);
1387 BIO_puts(sdb
->out
, cname
);
1391 #ifndef OPENSSL_NO_DH
1392 case SSL_SECOP_OTHER_DH
:
1395 BIO_printf(sdb
->out
, "%d", BN_num_bits(dh
->p
));
1399 case SSL_SECOP_OTHER_CERT
:
1402 int sig_nid
= X509_get_signature_nid(other
);
1403 BIO_puts(sdb
->out
, OBJ_nid2sn(sig_nid
));
1405 EVP_PKEY
*pkey
= X509_get_pubkey(other
);
1406 const char *algname
= "";
1407 EVP_PKEY_asn1_get0_info(NULL
, NULL
, NULL
, NULL
,
1408 &algname
, EVP_PKEY_get0_asn1(pkey
));
1409 BIO_printf(sdb
->out
, "%s, bits=%d",
1410 algname
, EVP_PKEY_bits(pkey
));
1411 EVP_PKEY_free(pkey
);
1415 case SSL_SECOP_OTHER_SIGALG
:
1417 const unsigned char *salg
= other
;
1418 const char *sname
= NULL
;
1420 case TLSEXT_signature_anonymous
:
1421 sname
= "anonymous";
1423 case TLSEXT_signature_rsa
:
1426 case TLSEXT_signature_dsa
:
1429 case TLSEXT_signature_ecdsa
:
1434 BIO_puts(sdb
->out
, OBJ_nid2sn(nid
));
1436 BIO_printf(sdb
->out
, ", algorithm=%s", sname
);
1438 BIO_printf(sdb
->out
, ", algid=%d", salg
[1]);
1445 BIO_printf(sdb
->out
, ", security bits=%d", bits
);
1446 BIO_printf(sdb
->out
, ": %s\n", rv
? "yes" : "no");
1450 void ssl_ctx_security_debug(SSL_CTX
*ctx
, int verbose
)
1452 static security_debug_ex sdb
;
1455 sdb
.verbose
= verbose
;
1456 sdb
.old_cb
= SSL_CTX_get_security_callback(ctx
);
1457 SSL_CTX_set_security_callback(ctx
, security_callback_debug
);
1458 SSL_CTX_set0_security_ex_data(ctx
, &sdb
);