1 /* apps/s_cb.c - callback functions used by s_client, s_server, and s_time */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
58 /* ====================================================================
59 * Copyright (c) 1998-2006 The OpenSSL Project. All rights reserved.
61 * Redistribution and use in source and binary forms, with or without
62 * modification, are permitted provided that the following conditions
65 * 1. Redistributions of source code must retain the above copyright
66 * notice, this list of conditions and the following disclaimer.
68 * 2. Redistributions in binary form must reproduce the above copyright
69 * notice, this list of conditions and the following disclaimer in
70 * the documentation and/or other materials provided with the
73 * 3. All advertising materials mentioning features or use of this
74 * software must display the following acknowledgment:
75 * "This product includes software developed by the OpenSSL Project
76 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
78 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
79 * endorse or promote products derived from this software without
80 * prior written permission. For written permission, please contact
81 * openssl-core@openssl.org.
83 * 5. Products derived from this software may not be called "OpenSSL"
84 * nor may "OpenSSL" appear in their names without prior written
85 * permission of the OpenSSL Project.
87 * 6. Redistributions of any form whatsoever must retain the following
89 * "This product includes software developed by the OpenSSL Project
90 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
92 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
93 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
94 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
95 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
96 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
97 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
98 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
99 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
100 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
101 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
102 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
103 * OF THE POSSIBILITY OF SUCH DAMAGE.
104 * ====================================================================
106 * This product includes cryptographic software written by Eric Young
107 * (eay@cryptsoft.com). This product includes software written by Tim
108 * Hudson (tjh@cryptsoft.com).
114 #include <string.h> /* for memcpy() and strcmp() */
120 #include <openssl/err.h>
121 #include <openssl/rand.h>
122 #include <openssl/x509.h>
123 #include <openssl/ssl.h>
126 #define COOKIE_SECRET_LENGTH 16
128 int verify_depth
= 0;
129 int verify_quiet
= 0;
130 int verify_error
= X509_V_OK
;
131 int verify_return_error
= 0;
132 unsigned char cookie_secret
[COOKIE_SECRET_LENGTH
];
133 int cookie_initialized
= 0;
135 int MS_CALLBACK
verify_callback(int ok
, X509_STORE_CTX
*ctx
)
140 err_cert
= X509_STORE_CTX_get_current_cert(ctx
);
141 err
= X509_STORE_CTX_get_error(ctx
);
142 depth
= X509_STORE_CTX_get_error_depth(ctx
);
144 if (!verify_quiet
|| !ok
) {
145 BIO_printf(bio_err
, "depth=%d ", depth
);
147 X509_NAME_print_ex(bio_err
,
148 X509_get_subject_name(err_cert
),
150 BIO_puts(bio_err
, "\n");
152 BIO_puts(bio_err
, "<no cert>\n");
155 BIO_printf(bio_err
, "verify error:num=%d:%s\n", err
,
156 X509_verify_cert_error_string(err
));
157 if (verify_depth
>= depth
) {
158 if (!verify_return_error
)
160 verify_error
= X509_V_OK
;
163 verify_error
= X509_V_ERR_CERT_CHAIN_TOO_LONG
;
167 case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT
:
168 BIO_puts(bio_err
, "issuer= ");
169 X509_NAME_print_ex(bio_err
, X509_get_issuer_name(err_cert
),
171 BIO_puts(bio_err
, "\n");
173 case X509_V_ERR_CERT_NOT_YET_VALID
:
174 case X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD
:
175 BIO_printf(bio_err
, "notBefore=");
176 ASN1_TIME_print(bio_err
, X509_get_notBefore(err_cert
));
177 BIO_printf(bio_err
, "\n");
179 case X509_V_ERR_CERT_HAS_EXPIRED
:
180 case X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD
:
181 BIO_printf(bio_err
, "notAfter=");
182 ASN1_TIME_print(bio_err
, X509_get_notAfter(err_cert
));
183 BIO_printf(bio_err
, "\n");
185 case X509_V_ERR_NO_EXPLICIT_POLICY
:
187 policies_print(bio_err
, ctx
);
190 if (err
== X509_V_OK
&& ok
== 2 && !verify_quiet
)
191 policies_print(bio_err
, ctx
);
192 if (ok
&& !verify_quiet
)
193 BIO_printf(bio_err
, "verify return:%d\n", ok
);
197 int set_cert_stuff(SSL_CTX
*ctx
, char *cert_file
, char *key_file
)
199 if (cert_file
!= NULL
) {
205 if (SSL_CTX_use_certificate_file(ctx
, cert_file
,
206 SSL_FILETYPE_PEM
) <= 0) {
207 BIO_printf(bio_err
, "unable to get certificate from '%s'\n",
209 ERR_print_errors(bio_err
);
212 if (key_file
== NULL
)
213 key_file
= cert_file
;
214 if (SSL_CTX_use_PrivateKey_file(ctx
, key_file
, SSL_FILETYPE_PEM
) <= 0) {
215 BIO_printf(bio_err
, "unable to get private key from '%s'\n",
217 ERR_print_errors(bio_err
);
222 In theory this is no longer needed
224 x509=SSL_get_certificate(ssl);
228 pktmp = X509_get_pubkey(x509);
229 EVP_PKEY_copy_parameters(pktmp,
230 SSL_get_privatekey(ssl));
231 EVP_PKEY_free(pktmp);
237 * If we are using DSA, we can copy the parameters from the private
242 * Now we know that a key and cert have been set against the SSL
245 if (!SSL_CTX_check_private_key(ctx
)) {
247 "Private key does not match the certificate public key\n");
254 int set_cert_key_stuff(SSL_CTX
*ctx
, X509
*cert
, EVP_PKEY
*key
,
255 STACK_OF(X509
) *chain
, int build_chain
)
257 int chflags
= chain
? SSL_BUILD_CHAIN_FLAG_CHECK
: 0;
260 if (SSL_CTX_use_certificate(ctx
, cert
) <= 0) {
261 BIO_printf(bio_err
, "error setting certificate\n");
262 ERR_print_errors(bio_err
);
266 if (SSL_CTX_use_PrivateKey(ctx
, key
) <= 0) {
267 BIO_printf(bio_err
, "error setting private key\n");
268 ERR_print_errors(bio_err
);
273 * Now we know that a key and cert have been set against the SSL context
275 if (!SSL_CTX_check_private_key(ctx
)) {
277 "Private key does not match the certificate public key\n");
280 if (chain
&& !SSL_CTX_set1_chain(ctx
, chain
)) {
281 BIO_printf(bio_err
, "error setting certificate chain\n");
282 ERR_print_errors(bio_err
);
285 if (build_chain
&& !SSL_CTX_build_cert_chain(ctx
, chflags
)) {
286 BIO_printf(bio_err
, "error building certificate chain\n");
287 ERR_print_errors(bio_err
);
293 static void ssl_print_client_cert_types(BIO
*bio
, SSL
*s
)
295 const unsigned char *p
;
297 int cert_type_num
= SSL_get0_certificate_types(s
, &p
);
300 BIO_puts(bio
, "Client Certificate Types: ");
301 for (i
= 0; i
< cert_type_num
; i
++) {
302 unsigned char cert_type
= p
[i
];
305 case TLS_CT_RSA_SIGN
:
309 case TLS_CT_DSS_SIGN
:
313 case TLS_CT_RSA_FIXED_DH
:
314 cname
= "RSA fixed DH";
317 case TLS_CT_DSS_FIXED_DH
:
318 cname
= "DSS fixed DH";
321 case TLS_CT_ECDSA_SIGN
:
322 cname
= "ECDSA sign";
325 case TLS_CT_RSA_FIXED_ECDH
:
326 cname
= "RSA fixed ECDH";
329 case TLS_CT_ECDSA_FIXED_ECDH
:
330 cname
= "ECDSA fixed ECDH";
333 case TLS_CT_GOST94_SIGN
:
334 cname
= "GOST94 Sign";
337 case TLS_CT_GOST01_SIGN
:
338 cname
= "GOST01 Sign";
349 BIO_puts(bio
, cname
);
351 BIO_printf(bio
, "UNKNOWN (%d),", cert_type
);
356 static int do_print_sigalgs(BIO
*out
, SSL
*s
, int shared
)
359 client
= SSL_is_server(s
) ? 0 : 1;
361 nsig
= SSL_get_shared_sigalgs(s
, -1, NULL
, NULL
, NULL
, NULL
, NULL
);
363 nsig
= SSL_get_sigalgs(s
, -1, NULL
, NULL
, NULL
, NULL
, NULL
);
368 BIO_puts(out
, "Shared ");
371 BIO_puts(out
, "Requested ");
372 BIO_puts(out
, "Signature Algorithms: ");
373 for (i
= 0; i
< nsig
; i
++) {
374 int hash_nid
, sign_nid
;
375 unsigned char rhash
, rsign
;
376 const char *sstr
= NULL
;
378 SSL_get_shared_sigalgs(s
, i
, &sign_nid
, &hash_nid
, NULL
,
381 SSL_get_sigalgs(s
, i
, &sign_nid
, &hash_nid
, NULL
, &rsign
, &rhash
);
384 if (sign_nid
== EVP_PKEY_RSA
)
386 else if (sign_nid
== EVP_PKEY_DSA
)
388 else if (sign_nid
== EVP_PKEY_EC
)
391 BIO_printf(out
, "%s+", sstr
);
393 BIO_printf(out
, "0x%02X+", (int)rsign
);
394 if (hash_nid
!= NID_undef
)
395 BIO_printf(out
, "%s", OBJ_nid2sn(hash_nid
));
397 BIO_printf(out
, "0x%02X", (int)rhash
);
403 int ssl_print_sigalgs(BIO
*out
, SSL
*s
)
406 if (!SSL_is_server(s
))
407 ssl_print_client_cert_types(out
, s
);
408 do_print_sigalgs(out
, s
, 0);
409 do_print_sigalgs(out
, s
, 1);
410 if (SSL_get_peer_signature_nid(s
, &mdnid
))
411 BIO_printf(out
, "Peer signing digest: %s\n", OBJ_nid2sn(mdnid
));
415 #ifndef OPENSSL_NO_EC
416 int ssl_print_point_formats(BIO
*out
, SSL
*s
)
419 const char *pformats
;
420 nformats
= SSL_get0_ec_point_formats(s
, &pformats
);
423 BIO_puts(out
, "Supported Elliptic Curve Point Formats: ");
424 for (i
= 0; i
< nformats
; i
++, pformats
++) {
428 case TLSEXT_ECPOINTFORMAT_uncompressed
:
429 BIO_puts(out
, "uncompressed");
432 case TLSEXT_ECPOINTFORMAT_ansiX962_compressed_prime
:
433 BIO_puts(out
, "ansiX962_compressed_prime");
436 case TLSEXT_ECPOINTFORMAT_ansiX962_compressed_char2
:
437 BIO_puts(out
, "ansiX962_compressed_char2");
441 BIO_printf(out
, "unknown(%d)", (int)*pformats
);
447 BIO_puts(out
, "NONE");
452 int ssl_print_curves(BIO
*out
, SSL
*s
, int noshared
)
454 int i
, ncurves
, *curves
, nid
;
456 ncurves
= SSL_get1_curves(s
, NULL
);
459 curves
= OPENSSL_malloc(ncurves
* sizeof(int));
461 BIO_puts(out
, "Malloc error getting supported curves\n");
464 SSL_get1_curves(s
, curves
);
467 BIO_puts(out
, "Supported Elliptic Curves: ");
468 for (i
= 0; i
< ncurves
; i
++) {
472 /* If unrecognised print out hex version */
473 if (nid
& TLSEXT_nid_unknown
)
474 BIO_printf(out
, "0x%04X", nid
& 0xFFFF);
476 /* Use NIST name for curve if it exists */
477 cname
= EC_curve_nid2nist(nid
);
479 cname
= OBJ_nid2sn(nid
);
480 BIO_printf(out
, "%s", cname
);
484 BIO_puts(out
, "NONE");
485 OPENSSL_free(curves
);
490 BIO_puts(out
, "\nShared Elliptic curves: ");
491 ncurves
= SSL_get_shared_curve(s
, -1);
492 for (i
= 0; i
< ncurves
; i
++) {
495 nid
= SSL_get_shared_curve(s
, i
);
496 cname
= EC_curve_nid2nist(nid
);
498 cname
= OBJ_nid2sn(nid
);
499 BIO_printf(out
, "%s", cname
);
502 BIO_puts(out
, "NONE");
507 int ssl_print_tmp_key(BIO
*out
, SSL
*s
)
510 if (!SSL_get_server_tmp_key(s
, &key
))
512 BIO_puts(out
, "Server Temp Key: ");
513 switch (EVP_PKEY_id(key
)) {
515 BIO_printf(out
, "RSA, %d bits\n", EVP_PKEY_bits(key
));
519 BIO_printf(out
, "DH, %d bits\n", EVP_PKEY_bits(key
));
521 #ifndef OPENSSL_NO_ECDH
524 EC_KEY
*ec
= EVP_PKEY_get1_EC_KEY(key
);
527 nid
= EC_GROUP_get_curve_name(EC_KEY_get0_group(ec
));
529 cname
= EC_curve_nid2nist(nid
);
531 cname
= OBJ_nid2sn(nid
);
532 BIO_printf(out
, "ECDH, %s, %d bits\n", cname
, EVP_PKEY_bits(key
));
540 long MS_CALLBACK
bio_dump_callback(BIO
*bio
, int cmd
, const char *argp
,
541 int argi
, long argl
, long ret
)
545 out
= (BIO
*)BIO_get_callback_arg(bio
);
549 if (cmd
== (BIO_CB_READ
| BIO_CB_RETURN
)) {
550 BIO_printf(out
, "read from %p [%p] (%lu bytes => %ld (0x%lX))\n",
551 (void *)bio
, (void *)argp
, (unsigned long)argi
, ret
, ret
);
552 BIO_dump(out
, argp
, (int)ret
);
554 } else if (cmd
== (BIO_CB_WRITE
| BIO_CB_RETURN
)) {
555 BIO_printf(out
, "write to %p [%p] (%lu bytes => %ld (0x%lX))\n",
556 (void *)bio
, (void *)argp
, (unsigned long)argi
, ret
, ret
);
557 BIO_dump(out
, argp
, (int)ret
);
562 void MS_CALLBACK
apps_ssl_info_callback(const SSL
*s
, int where
, int ret
)
567 w
= where
& ~SSL_ST_MASK
;
569 if (w
& SSL_ST_CONNECT
)
571 else if (w
& SSL_ST_ACCEPT
)
576 if (where
& SSL_CB_LOOP
) {
577 BIO_printf(bio_err
, "%s:%s\n", str
, SSL_state_string_long(s
));
578 } else if (where
& SSL_CB_ALERT
) {
579 str
= (where
& SSL_CB_READ
) ? "read" : "write";
580 BIO_printf(bio_err
, "SSL3 alert %s:%s:%s\n",
582 SSL_alert_type_string_long(ret
),
583 SSL_alert_desc_string_long(ret
));
584 } else if (where
& SSL_CB_EXIT
) {
586 BIO_printf(bio_err
, "%s:failed in %s\n",
587 str
, SSL_state_string_long(s
));
589 BIO_printf(bio_err
, "%s:error in %s\n",
590 str
, SSL_state_string_long(s
));
595 void MS_CALLBACK
msg_cb(int write_p
, int version
, int content_type
,
596 const void *buf
, size_t len
, SSL
*ssl
, void *arg
)
599 const char *str_write_p
, *str_version
, *str_content_type
=
600 "", *str_details1
= "", *str_details2
= "";
602 str_write_p
= write_p
? ">>>" : "<<<";
606 str_version
= "SSL 2.0";
609 str_version
= "SSL 3.0 ";
612 str_version
= "TLS 1.0 ";
615 str_version
= "TLS 1.1 ";
618 str_version
= "TLS 1.2 ";
621 str_version
= "DTLS 1.0 ";
624 str_version
= "DTLS 1.0 (bad) ";
630 if (version
== SSL2_VERSION
) {
631 str_details1
= "???";
634 switch (((const unsigned char *)buf
)[0]) {
636 str_details1
= ", ERROR:";
637 str_details2
= " ???";
640 (((const unsigned char *)buf
)[1] << 8) +
641 ((const unsigned char *)buf
)[2];
645 str_details2
= " NO-CIPHER-ERROR";
648 str_details2
= " NO-CERTIFICATE-ERROR";
651 str_details2
= " BAD-CERTIFICATE-ERROR";
654 str_details2
= " UNSUPPORTED-CERTIFICATE-TYPE-ERROR";
661 str_details1
= ", CLIENT-HELLO";
664 str_details1
= ", CLIENT-MASTER-KEY";
667 str_details1
= ", CLIENT-FINISHED";
670 str_details1
= ", SERVER-HELLO";
673 str_details1
= ", SERVER-VERIFY";
676 str_details1
= ", SERVER-FINISHED";
679 str_details1
= ", REQUEST-CERTIFICATE";
682 str_details1
= ", CLIENT-CERTIFICATE";
688 if (version
== SSL3_VERSION
||
689 version
== TLS1_VERSION
||
690 version
== TLS1_1_VERSION
||
691 version
== TLS1_2_VERSION
||
692 version
== DTLS1_VERSION
|| version
== DTLS1_BAD_VER
) {
693 switch (content_type
) {
695 str_content_type
= "ChangeCipherSpec";
698 str_content_type
= "Alert";
701 str_content_type
= "Handshake";
705 if (content_type
== 21) { /* Alert */
706 str_details1
= ", ???";
709 switch (((const unsigned char *)buf
)[0]) {
711 str_details1
= ", warning";
714 str_details1
= ", fatal";
718 str_details2
= " ???";
719 switch (((const unsigned char *)buf
)[1]) {
721 str_details2
= " close_notify";
724 str_details2
= " unexpected_message";
727 str_details2
= " bad_record_mac";
730 str_details2
= " decryption_failed";
733 str_details2
= " record_overflow";
736 str_details2
= " decompression_failure";
739 str_details2
= " handshake_failure";
742 str_details2
= " bad_certificate";
745 str_details2
= " unsupported_certificate";
748 str_details2
= " certificate_revoked";
751 str_details2
= " certificate_expired";
754 str_details2
= " certificate_unknown";
757 str_details2
= " illegal_parameter";
760 str_details2
= " unknown_ca";
763 str_details2
= " access_denied";
766 str_details2
= " decode_error";
769 str_details2
= " decrypt_error";
772 str_details2
= " export_restriction";
775 str_details2
= " protocol_version";
778 str_details2
= " insufficient_security";
781 str_details2
= " internal_error";
784 str_details2
= " user_canceled";
787 str_details2
= " no_renegotiation";
790 str_details2
= " unsupported_extension";
793 str_details2
= " certificate_unobtainable";
796 str_details2
= " unrecognized_name";
799 str_details2
= " bad_certificate_status_response";
802 str_details2
= " bad_certificate_hash_value";
805 str_details2
= " unknown_psk_identity";
811 if (content_type
== 22) { /* Handshake */
812 str_details1
= "???";
815 switch (((const unsigned char *)buf
)[0]) {
817 str_details1
= ", HelloRequest";
820 str_details1
= ", ClientHello";
823 str_details1
= ", ServerHello";
826 str_details1
= ", HelloVerifyRequest";
829 str_details1
= ", Certificate";
832 str_details1
= ", ServerKeyExchange";
835 str_details1
= ", CertificateRequest";
838 str_details1
= ", ServerHelloDone";
841 str_details1
= ", CertificateVerify";
844 str_details1
= ", ClientKeyExchange";
847 str_details1
= ", Finished";
852 #ifndef OPENSSL_NO_HEARTBEATS
853 if (content_type
== 24) { /* Heartbeat */
854 str_details1
= ", Heartbeat";
857 switch (((const unsigned char *)buf
)[0]) {
859 str_details1
= ", HeartbeatRequest";
862 str_details1
= ", HeartbeatResponse";
870 BIO_printf(bio
, "%s %s%s [length %04lx]%s%s\n", str_write_p
, str_version
,
871 str_content_type
, (unsigned long)len
, str_details1
,
877 BIO_printf(bio
, " ");
883 for (i
= 0; i
< num
; i
++) {
884 if (i
% 16 == 0 && i
> 0)
885 BIO_printf(bio
, "\n ");
886 BIO_printf(bio
, " %02x", ((const unsigned char *)buf
)[i
]);
889 BIO_printf(bio
, " ...");
890 BIO_printf(bio
, "\n");
892 (void)BIO_flush(bio
);
895 void MS_CALLBACK
tlsext_cb(SSL
*s
, int client_server
, int type
,
896 unsigned char *data
, int len
, void *arg
)
902 case TLSEXT_TYPE_server_name
:
903 extname
= "server name";
906 case TLSEXT_TYPE_max_fragment_length
:
907 extname
= "max fragment length";
910 case TLSEXT_TYPE_client_certificate_url
:
911 extname
= "client certificate URL";
914 case TLSEXT_TYPE_trusted_ca_keys
:
915 extname
= "trusted CA keys";
918 case TLSEXT_TYPE_truncated_hmac
:
919 extname
= "truncated HMAC";
922 case TLSEXT_TYPE_status_request
:
923 extname
= "status request";
926 case TLSEXT_TYPE_user_mapping
:
927 extname
= "user mapping";
930 case TLSEXT_TYPE_client_authz
:
931 extname
= "client authz";
934 case TLSEXT_TYPE_server_authz
:
935 extname
= "server authz";
938 case TLSEXT_TYPE_cert_type
:
939 extname
= "cert type";
942 case TLSEXT_TYPE_elliptic_curves
:
943 extname
= "elliptic curves";
946 case TLSEXT_TYPE_ec_point_formats
:
947 extname
= "EC point formats";
950 case TLSEXT_TYPE_srp
:
954 case TLSEXT_TYPE_signature_algorithms
:
955 extname
= "signature algorithms";
958 case TLSEXT_TYPE_use_srtp
:
959 extname
= "use SRTP";
962 case TLSEXT_TYPE_heartbeat
:
963 extname
= "heartbeat";
966 case TLSEXT_TYPE_session_ticket
:
967 extname
= "session ticket";
970 case TLSEXT_TYPE_renegotiate
:
971 extname
= "renegotiation info";
974 #ifdef TLSEXT_TYPE_opaque_prf_input
975 case TLSEXT_TYPE_opaque_prf_input
:
976 extname
= "opaque PRF input";
979 #ifdef TLSEXT_TYPE_next_proto_neg
980 case TLSEXT_TYPE_next_proto_neg
:
981 extname
= "next protocol";
984 #ifdef TLSEXT_TYPE_application_layer_protocol_negotiation
985 case TLSEXT_TYPE_application_layer_protocol_negotiation
:
986 extname
= "application layer protocol negotiation";
990 case TLSEXT_TYPE_padding
:
991 extname
= "TLS padding";
1000 BIO_printf(bio
, "TLS %s extension \"%s\" (id=%d), len=%d\n",
1001 client_server
? "server" : "client", extname
, type
, len
);
1002 BIO_dump(bio
, (char *)data
, len
);
1003 (void)BIO_flush(bio
);
1006 int MS_CALLBACK
generate_cookie_callback(SSL
*ssl
, unsigned char *cookie
,
1007 unsigned int *cookie_len
)
1009 unsigned char *buffer
, result
[EVP_MAX_MD_SIZE
];
1010 unsigned int length
, resultlength
;
1013 struct sockaddr_in s4
;
1014 #if OPENSSL_USE_IPV6
1015 struct sockaddr_in6 s6
;
1019 /* Initialize a random secret */
1020 if (!cookie_initialized
) {
1021 if (RAND_bytes(cookie_secret
, COOKIE_SECRET_LENGTH
) <= 0) {
1022 BIO_printf(bio_err
, "error setting random cookie secret\n");
1025 cookie_initialized
= 1;
1028 /* Read peer information */
1029 (void)BIO_dgram_get_peer(SSL_get_rbio(ssl
), &peer
);
1031 /* Create buffer with peer's address and port */
1033 switch (peer
.sa
.sa_family
) {
1035 length
+= sizeof(struct in_addr
);
1036 length
+= sizeof(peer
.s4
.sin_port
);
1038 #if OPENSSL_USE_IPV6
1040 length
+= sizeof(struct in6_addr
);
1041 length
+= sizeof(peer
.s6
.sin6_port
);
1048 buffer
= OPENSSL_malloc(length
);
1050 if (buffer
== NULL
) {
1051 BIO_printf(bio_err
, "out of memory\n");
1055 switch (peer
.sa
.sa_family
) {
1057 memcpy(buffer
, &peer
.s4
.sin_port
, sizeof(peer
.s4
.sin_port
));
1058 memcpy(buffer
+ sizeof(peer
.s4
.sin_port
),
1059 &peer
.s4
.sin_addr
, sizeof(struct in_addr
));
1061 #if OPENSSL_USE_IPV6
1063 memcpy(buffer
, &peer
.s6
.sin6_port
, sizeof(peer
.s6
.sin6_port
));
1064 memcpy(buffer
+ sizeof(peer
.s6
.sin6_port
),
1065 &peer
.s6
.sin6_addr
, sizeof(struct in6_addr
));
1073 /* Calculate HMAC of buffer using the secret */
1074 HMAC(EVP_sha1(), cookie_secret
, COOKIE_SECRET_LENGTH
,
1075 buffer
, length
, result
, &resultlength
);
1076 OPENSSL_free(buffer
);
1078 memcpy(cookie
, result
, resultlength
);
1079 *cookie_len
= resultlength
;
1084 int MS_CALLBACK
verify_cookie_callback(SSL
*ssl
, unsigned char *cookie
,
1085 unsigned int cookie_len
)
1087 unsigned char *buffer
, result
[EVP_MAX_MD_SIZE
];
1088 unsigned int length
, resultlength
;
1091 struct sockaddr_in s4
;
1092 #if OPENSSL_USE_IPV6
1093 struct sockaddr_in6 s6
;
1097 /* If secret isn't initialized yet, the cookie can't be valid */
1098 if (!cookie_initialized
)
1101 /* Read peer information */
1102 (void)BIO_dgram_get_peer(SSL_get_rbio(ssl
), &peer
);
1104 /* Create buffer with peer's address and port */
1106 switch (peer
.sa
.sa_family
) {
1108 length
+= sizeof(struct in_addr
);
1109 length
+= sizeof(peer
.s4
.sin_port
);
1111 #if OPENSSL_USE_IPV6
1113 length
+= sizeof(struct in6_addr
);
1114 length
+= sizeof(peer
.s6
.sin6_port
);
1121 buffer
= OPENSSL_malloc(length
);
1123 if (buffer
== NULL
) {
1124 BIO_printf(bio_err
, "out of memory\n");
1128 switch (peer
.sa
.sa_family
) {
1130 memcpy(buffer
, &peer
.s4
.sin_port
, sizeof(peer
.s4
.sin_port
));
1131 memcpy(buffer
+ sizeof(peer
.s4
.sin_port
),
1132 &peer
.s4
.sin_addr
, sizeof(struct in_addr
));
1134 #if OPENSSL_USE_IPV6
1136 memcpy(buffer
, &peer
.s6
.sin6_port
, sizeof(peer
.s6
.sin6_port
));
1137 memcpy(buffer
+ sizeof(peer
.s6
.sin6_port
),
1138 &peer
.s6
.sin6_addr
, sizeof(struct in6_addr
));
1146 /* Calculate HMAC of buffer using the secret */
1147 HMAC(EVP_sha1(), cookie_secret
, COOKIE_SECRET_LENGTH
,
1148 buffer
, length
, result
, &resultlength
);
1149 OPENSSL_free(buffer
);
1151 if (cookie_len
== resultlength
1152 && memcmp(result
, cookie
, resultlength
) == 0)
1159 * Example of extended certificate handling. Where the standard support of
1160 * one certificate per algorithm is not sufficient an application can decide
1161 * which certificate(s) to use at runtime based on whatever criteria it deems
1165 /* Linked list of certificates, keys and chains */
1166 struct ssl_excert_st
{
1168 const char *certfile
;
1170 const char *keyfile
;
1171 const char *chainfile
;
1174 STACK_OF(X509
) *chain
;
1176 struct ssl_excert_st
*next
, *prev
;
1179 struct chain_flags
{
1184 struct chain_flags chain_flags_list
[] = {
1185 {CERT_PKEY_VALID
, "Overall Validity"},
1186 {CERT_PKEY_SIGN
, "Sign with EE key"},
1187 {CERT_PKEY_EE_SIGNATURE
, "EE signature"},
1188 {CERT_PKEY_CA_SIGNATURE
, "CA signature"},
1189 {CERT_PKEY_EE_PARAM
, "EE key parameters"},
1190 {CERT_PKEY_CA_PARAM
, "CA key parameters"},
1191 {CERT_PKEY_EXPLICIT_SIGN
, "Explicity sign with EE key"},
1192 {CERT_PKEY_ISSUER_NAME
, "Issuer Name"},
1193 {CERT_PKEY_CERT_TYPE
, "Certificate Type"},
1197 static void print_chain_flags(BIO
*out
, SSL
*s
, int flags
)
1199 struct chain_flags
*ctmp
= chain_flags_list
;
1200 while (ctmp
->name
) {
1201 BIO_printf(out
, "\t%s: %s\n", ctmp
->name
,
1202 flags
& ctmp
->flag
? "OK" : "NOT OK");
1205 BIO_printf(out
, "\tSuite B: ");
1206 if (SSL_set_cert_flags(s
, 0) & SSL_CERT_FLAG_SUITEB_128_LOS
)
1207 BIO_puts(out
, flags
& CERT_PKEY_SUITEB
? "OK\n" : "NOT OK\n");
1209 BIO_printf(out
, "not tested\n");
1213 * Very basic selection callback: just use any certificate chain reported as
1214 * valid. More sophisticated could prioritise according to local policy.
1216 static int set_cert_cb(SSL
*ssl
, void *arg
)
1219 SSL_EXCERT
*exc
= arg
;
1220 #ifdef CERT_CB_TEST_RETRY
1221 static int retry_cnt
;
1222 if (retry_cnt
< 5) {
1224 fprintf(stderr
, "Certificate callback retry test: count %d\n",
1229 SSL_certs_clear(ssl
);
1235 * Go to end of list and traverse backwards since we prepend newer
1236 * entries this retains the original order.
1245 rv
= SSL_check_chain(ssl
, exc
->cert
, exc
->key
, exc
->chain
);
1246 BIO_printf(bio_err
, "Checking cert chain %d:\nSubject: ", i
);
1247 X509_NAME_print_ex(bio_err
, X509_get_subject_name(exc
->cert
), 0,
1249 BIO_puts(bio_err
, "\n");
1251 print_chain_flags(bio_err
, ssl
, rv
);
1252 if (rv
& CERT_PKEY_VALID
) {
1253 SSL_use_certificate(ssl
, exc
->cert
);
1254 SSL_use_PrivateKey(ssl
, exc
->key
);
1256 * NB: we wouldn't normally do this as it is not efficient
1257 * building chains on each connection better to cache the chain
1260 if (exc
->build_chain
) {
1261 if (!SSL_build_cert_chain(ssl
, 0))
1263 } else if (exc
->chain
)
1264 SSL_set1_chain(ssl
, exc
->chain
);
1271 void ssl_ctx_set_excert(SSL_CTX
*ctx
, SSL_EXCERT
*exc
)
1273 SSL_CTX_set_cert_cb(ctx
, set_cert_cb
, exc
);
1276 static int ssl_excert_prepend(SSL_EXCERT
**pexc
)
1279 exc
= OPENSSL_malloc(sizeof(SSL_EXCERT
));
1282 exc
->certfile
= NULL
;
1283 exc
->keyfile
= NULL
;
1284 exc
->chainfile
= NULL
;
1289 exc
->build_chain
= 0;
1295 exc
->certform
= exc
->next
->certform
;
1296 exc
->keyform
= exc
->next
->keyform
;
1297 exc
->next
->prev
= exc
;
1299 exc
->certform
= FORMAT_PEM
;
1300 exc
->keyform
= FORMAT_PEM
;
1306 void ssl_excert_free(SSL_EXCERT
*exc
)
1311 X509_free(exc
->cert
);
1313 EVP_PKEY_free(exc
->key
);
1315 sk_X509_pop_free(exc
->chain
, X509_free
);
1322 int load_excert(SSL_EXCERT
**pexc
, BIO
*err
)
1324 SSL_EXCERT
*exc
= *pexc
;
1327 /* If nothing in list, free and set to NULL */
1328 if (!exc
->certfile
&& !exc
->next
) {
1329 ssl_excert_free(exc
);
1333 for (; exc
; exc
= exc
->next
) {
1334 if (!exc
->certfile
) {
1335 BIO_printf(err
, "Missing filename\n");
1338 exc
->cert
= load_cert(err
, exc
->certfile
, exc
->certform
,
1339 NULL
, NULL
, "Server Certificate");
1343 exc
->key
= load_key(err
, exc
->keyfile
, exc
->keyform
,
1344 0, NULL
, NULL
, "Server Key");
1346 exc
->key
= load_key(err
, exc
->certfile
, exc
->certform
,
1347 0, NULL
, NULL
, "Server Key");
1351 if (exc
->chainfile
) {
1352 exc
->chain
= load_certs(err
,
1353 exc
->chainfile
, FORMAT_PEM
,
1354 NULL
, NULL
, "Server Chain");
1362 int args_excert(char ***pargs
, int *pargc
,
1363 int *badarg
, BIO
*err
, SSL_EXCERT
**pexc
)
1365 char *arg
= **pargs
, *argn
= (*pargs
)[1];
1366 SSL_EXCERT
*exc
= *pexc
;
1369 if (ssl_excert_prepend(&exc
))
1372 BIO_printf(err
, "Error initialising xcert\n");
1377 if (strcmp(arg
, "-xcert") == 0) {
1382 if (exc
->certfile
&& !ssl_excert_prepend(&exc
)) {
1383 BIO_printf(err
, "Error adding xcert\n");
1387 exc
->certfile
= argn
;
1388 } else if (strcmp(arg
, "-xkey") == 0) {
1394 BIO_printf(err
, "Key already specified\n");
1398 exc
->keyfile
= argn
;
1399 } else if (strcmp(arg
, "-xchain") == 0) {
1404 if (exc
->chainfile
) {
1405 BIO_printf(err
, "Chain already specified\n");
1409 exc
->chainfile
= argn
;
1410 } else if (strcmp(arg
, "-xchain_build") == 0) {
1412 exc
->build_chain
= 1;
1413 } else if (strcmp(arg
, "-xcertform") == 0) {
1418 exc
->certform
= str2fmt(argn
);
1419 } else if (strcmp(arg
, "-xkeyform") == 0) {
1424 exc
->keyform
= str2fmt(argn
);
1438 ERR_print_errors(err
);
1439 ssl_excert_free(exc
);
1444 static void print_raw_cipherlist(BIO
*bio
, SSL
*s
)
1446 const unsigned char *rlist
;
1447 static const unsigned char scsv_id
[] = { 0, 0, 0xFF };
1448 size_t i
, rlistlen
, num
;
1449 if (!SSL_is_server(s
))
1451 num
= SSL_get0_raw_cipherlist(s
, NULL
);
1452 rlistlen
= SSL_get0_raw_cipherlist(s
, &rlist
);
1453 BIO_puts(bio
, "Client cipher list: ");
1454 for (i
= 0; i
< rlistlen
; i
+= num
, rlist
+= num
) {
1455 const SSL_CIPHER
*c
= SSL_CIPHER_find(s
, rlist
);
1459 BIO_puts(bio
, SSL_CIPHER_get_name(c
));
1460 else if (!memcmp(rlist
, scsv_id
- num
+ 3, num
))
1461 BIO_puts(bio
, "SCSV");
1464 BIO_puts(bio
, "0x");
1465 for (j
= 0; j
< num
; j
++)
1466 BIO_printf(bio
, "%02X", rlist
[j
]);
1469 BIO_puts(bio
, "\n");
1472 void print_ssl_summary(BIO
*bio
, SSL
*s
)
1474 const SSL_CIPHER
*c
;
1477 * const char *pnam = SSL_is_server(s) ? "client" : "server";
1479 BIO_printf(bio
, "Protocol version: %s\n", SSL_get_version(s
));
1480 print_raw_cipherlist(bio
, s
);
1481 c
= SSL_get_current_cipher(s
);
1482 BIO_printf(bio
, "Ciphersuite: %s\n", SSL_CIPHER_get_name(c
));
1483 do_print_sigalgs(bio
, s
, 0);
1484 peer
= SSL_get_peer_certificate(s
);
1487 BIO_puts(bio
, "Peer certificate: ");
1488 X509_NAME_print_ex(bio
, X509_get_subject_name(peer
),
1489 0, XN_FLAG_ONELINE
);
1490 BIO_puts(bio
, "\n");
1491 if (SSL_get_peer_signature_nid(s
, &nid
))
1492 BIO_printf(bio
, "Hash used: %s\n", OBJ_nid2sn(nid
));
1494 BIO_puts(bio
, "No peer certificate\n");
1497 #ifndef OPENSSL_NO_EC
1498 ssl_print_point_formats(bio
, s
);
1499 if (SSL_is_server(s
))
1500 ssl_print_curves(bio
, s
, 1);
1502 ssl_print_tmp_key(bio
, s
);
1504 if (!SSL_is_server(s
))
1505 ssl_print_tmp_key(bio
, s
);
1509 int args_ssl(char ***pargs
, int *pargc
, SSL_CONF_CTX
*cctx
,
1510 int *badarg
, BIO
*err
, STACK_OF(OPENSSL_STRING
) **pstr
,
1513 char *arg
= **pargs
, *argn
= (*pargs
)[1];
1516 if (strcmp(arg
, "-no_ssl2") == 0 || strcmp(arg
, "-no_ssl3") == 0
1517 || strcmp(arg
, "-no_tls1") == 0 || strcmp(arg
, "-no_tls1_1") == 0
1518 || strcmp(arg
, "-no_tls1_2") == 0) {
1522 /* Attempt to run SSL configuration command */
1523 rv
= SSL_CONF_cmd_argv(cctx
, pargc
, pargs
);
1524 /* If parameter not recognised just return */
1527 /* see if missing argument error */
1529 BIO_printf(err
, "%s needs an argument\n", arg
);
1533 /* Check for some other error */
1535 BIO_printf(err
, "Error with command: \"%s %s\"\n",
1536 arg
, argn
? argn
: "");
1540 /* Store command and argument */
1541 /* If only one argument processed store value as NULL */
1545 *pstr
= sk_OPENSSL_STRING_new_null();
1546 if (!*pstr
|| !sk_OPENSSL_STRING_push(*pstr
, arg
) ||
1547 !sk_OPENSSL_STRING_push(*pstr
, argn
)) {
1548 BIO_puts(err
, "Memory allocation failure\n");
1554 ERR_print_errors(err
);
1559 int args_ssl_call(SSL_CTX
*ctx
, BIO
*err
, SSL_CONF_CTX
*cctx
,
1560 STACK_OF(OPENSSL_STRING
) *str
, int no_ecdhe
, int no_jpake
)
1563 SSL_CONF_CTX_set_ssl_ctx(cctx
, ctx
);
1564 for (i
= 0; i
< sk_OPENSSL_STRING_num(str
); i
+= 2) {
1565 const char *param
= sk_OPENSSL_STRING_value(str
, i
);
1566 const char *value
= sk_OPENSSL_STRING_value(str
, i
+ 1);
1568 * If no_ecdhe or named curve already specified don't need a default.
1570 if (!no_ecdhe
&& !strcmp(param
, "-named_curve"))
1572 #ifndef OPENSSL_NO_JPAKE
1573 if (!no_jpake
&& !strcmp(param
, "-cipher")) {
1574 BIO_puts(err
, "JPAKE sets cipher to PSK\n");
1578 if (SSL_CONF_cmd(cctx
, param
, value
) <= 0) {
1579 BIO_printf(err
, "Error with command: \"%s %s\"\n",
1580 param
, value
? value
: "");
1581 ERR_print_errors(err
);
1586 * This is a special case to keep existing s_server functionality: if we
1587 * don't have any curve specified *and* we haven't disabled ECDHE then
1591 if (SSL_CONF_cmd(cctx
, "-named_curve", "P-256") <= 0) {
1592 BIO_puts(err
, "Error setting EC curve\n");
1593 ERR_print_errors(err
);
1597 #ifndef OPENSSL_NO_JPAKE
1599 if (SSL_CONF_cmd(cctx
, "-cipher", "PSK") <= 0) {
1600 BIO_puts(err
, "Error setting cipher to PSK\n");
1601 ERR_print_errors(err
);
1606 if (!SSL_CONF_CTX_finish(cctx
)) {
1607 BIO_puts(err
, "Error finishing context\n");
1608 ERR_print_errors(err
);
1614 static int add_crls_store(X509_STORE
*st
, STACK_OF(X509_CRL
) *crls
)
1618 for (i
= 0; i
< sk_X509_CRL_num(crls
); i
++) {
1619 crl
= sk_X509_CRL_value(crls
, i
);
1620 X509_STORE_add_crl(st
, crl
);
1625 int ssl_ctx_add_crls(SSL_CTX
*ctx
, STACK_OF(X509_CRL
) *crls
, int crl_download
)
1628 st
= SSL_CTX_get_cert_store(ctx
);
1629 add_crls_store(st
, crls
);
1631 store_setup_crl_download(st
);
1635 int ssl_load_stores(SSL_CTX
*ctx
,
1636 const char *vfyCApath
, const char *vfyCAfile
,
1637 const char *chCApath
, const char *chCAfile
,
1638 STACK_OF(X509_CRL
) *crls
, int crl_download
)
1640 X509_STORE
*vfy
= NULL
, *ch
= NULL
;
1642 if (vfyCApath
|| vfyCAfile
) {
1643 vfy
= X509_STORE_new();
1644 if (!X509_STORE_load_locations(vfy
, vfyCAfile
, vfyCApath
))
1646 add_crls_store(vfy
, crls
);
1647 SSL_CTX_set1_verify_cert_store(ctx
, vfy
);
1649 store_setup_crl_download(vfy
);
1651 if (chCApath
|| chCAfile
) {
1652 ch
= X509_STORE_new();
1653 if (!X509_STORE_load_locations(ch
, chCAfile
, chCApath
))
1655 SSL_CTX_set1_chain_cert_store(ctx
, ch
);
1660 X509_STORE_free(vfy
);
1662 X509_STORE_free(ch
);