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).
119 #include <openssl/err.h>
120 #include <openssl/rand.h>
121 #include <openssl/x509.h>
122 #include <openssl/ssl.h>
125 #define COOKIE_SECRET_LENGTH 16
129 int verify_error
=X509_V_OK
;
130 int verify_return_error
=0;
131 unsigned char cookie_secret
[COOKIE_SECRET_LENGTH
];
132 int cookie_initialized
=0;
134 int MS_CALLBACK
verify_callback(int ok
, X509_STORE_CTX
*ctx
)
139 err_cert
=X509_STORE_CTX_get_current_cert(ctx
);
140 err
= X509_STORE_CTX_get_error(ctx
);
141 depth
= X509_STORE_CTX_get_error_depth(ctx
);
143 if (!verify_quiet
|| !ok
)
145 BIO_printf(bio_err
,"depth=%d ",depth
);
148 X509_NAME_print_ex(bio_err
,
149 X509_get_subject_name(err_cert
),
151 BIO_puts(bio_err
, "\n");
154 BIO_puts(bio_err
, "<no cert>\n");
158 BIO_printf(bio_err
,"verify error:num=%d:%s\n",err
,
159 X509_verify_cert_error_string(err
));
160 if (verify_depth
>= depth
)
162 if (!verify_return_error
)
164 verify_error
=X509_V_OK
;
169 verify_error
=X509_V_ERR_CERT_CHAIN_TOO_LONG
;
174 case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT
:
175 BIO_puts(bio_err
,"issuer= ");
176 X509_NAME_print_ex(bio_err
, X509_get_issuer_name(err_cert
),
178 BIO_puts(bio_err
, "\n");
180 case X509_V_ERR_CERT_NOT_YET_VALID
:
181 case X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD
:
182 BIO_printf(bio_err
,"notBefore=");
183 ASN1_TIME_print(bio_err
,X509_get_notBefore(err_cert
));
184 BIO_printf(bio_err
,"\n");
186 case X509_V_ERR_CERT_HAS_EXPIRED
:
187 case X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD
:
188 BIO_printf(bio_err
,"notAfter=");
189 ASN1_TIME_print(bio_err
,X509_get_notAfter(err_cert
));
190 BIO_printf(bio_err
,"\n");
192 case X509_V_ERR_NO_EXPLICIT_POLICY
:
194 policies_print(bio_err
, ctx
);
197 if (err
== X509_V_OK
&& ok
== 2 && !verify_quiet
)
198 policies_print(bio_err
, ctx
);
199 if (ok
&& !verify_quiet
)
200 BIO_printf(bio_err
,"verify return:%d\n",ok
);
204 int set_cert_stuff(SSL_CTX
*ctx
, char *cert_file
, char *key_file
)
206 if (cert_file
!= NULL
)
213 if (SSL_CTX_use_certificate_file(ctx
,cert_file
,
214 SSL_FILETYPE_PEM
) <= 0)
216 BIO_printf(bio_err
,"unable to get certificate from '%s'\n",cert_file
);
217 ERR_print_errors(bio_err
);
220 if (key_file
== NULL
) key_file
=cert_file
;
221 if (SSL_CTX_use_PrivateKey_file(ctx
,key_file
,
222 SSL_FILETYPE_PEM
) <= 0)
224 BIO_printf(bio_err
,"unable to get private key from '%s'\n",key_file
);
225 ERR_print_errors(bio_err
);
230 In theory this is no longer needed
232 x509=SSL_get_certificate(ssl);
236 pktmp = X509_get_pubkey(x509);
237 EVP_PKEY_copy_parameters(pktmp,
238 SSL_get_privatekey(ssl));
239 EVP_PKEY_free(pktmp);
244 /* If we are using DSA, we can copy the parameters from
248 /* Now we know that a key and cert have been set against
250 if (!SSL_CTX_check_private_key(ctx
))
252 BIO_printf(bio_err
,"Private key does not match the certificate public key\n");
259 int set_cert_key_stuff(SSL_CTX
*ctx
, X509
*cert
, EVP_PKEY
*key
,
260 STACK_OF(X509
) *chain
, int build_chain
)
264 if (SSL_CTX_use_certificate(ctx
,cert
) <= 0)
266 BIO_printf(bio_err
,"error setting certificate\n");
267 ERR_print_errors(bio_err
);
271 if (SSL_CTX_use_PrivateKey(ctx
,key
) <= 0)
273 BIO_printf(bio_err
,"error setting private key\n");
274 ERR_print_errors(bio_err
);
278 /* Now we know that a key and cert have been set against
280 if (!SSL_CTX_check_private_key(ctx
))
282 BIO_printf(bio_err
,"Private key does not match the certificate public key\n");
285 if (chain
&& !SSL_CTX_set1_chain(ctx
, chain
))
287 BIO_printf(bio_err
,"error setting certificate chain\n");
288 ERR_print_errors(bio_err
);
291 if (!chain
&& build_chain
&& !SSL_CTX_build_cert_chain(ctx
, 0))
293 BIO_printf(bio_err
,"error building certificate chain\n");
294 ERR_print_errors(bio_err
);
300 static void ssl_print_client_cert_types(BIO
*bio
, SSL
*s
)
302 const unsigned char *p
;
304 int cert_type_num
= SSL_get0_certificate_types(s
, &p
);
307 BIO_puts(bio
, "Client Certificate Types: ");
308 for (i
= 0; i
< cert_type_num
; i
++)
310 unsigned char cert_type
= p
[i
];
314 case TLS_CT_RSA_SIGN
:
318 case TLS_CT_DSS_SIGN
:
322 case TLS_CT_RSA_FIXED_DH
:
323 cname
= "RSA fixed DH";
326 case TLS_CT_DSS_FIXED_DH
:
327 cname
= "DSS fixed DH";
330 case TLS_CT_ECDSA_SIGN
:
331 cname
= "ECDSA sign";
334 case TLS_CT_RSA_FIXED_ECDH
:
335 cname
= "RSA fixed ECDH";
338 case TLS_CT_ECDSA_FIXED_ECDH
:
339 cname
= "ECDSA fixed ECDH";
342 case TLS_CT_GOST94_SIGN
:
343 cname
= "GOST94 Sign";
346 case TLS_CT_GOST01_SIGN
:
347 cname
= "GOST01 Sign";
358 BIO_puts(bio
, cname
);
360 BIO_printf(bio
, "UNKNOWN (%d),", cert_type
);
365 static int do_print_sigalgs(BIO
*out
, SSL
*s
, int shared
)
368 client
= SSL_is_server(s
) ? 0 : 1;
370 nsig
= SSL_get_shared_sigalgs(s
, -1, NULL
, NULL
, NULL
,
373 nsig
= SSL_get_sigalgs(s
, -1, NULL
, NULL
, NULL
, NULL
, NULL
);
378 BIO_puts(out
, "Shared ");
381 BIO_puts(out
, "Requested ");
382 BIO_puts(out
, "Signature Algorithms: ");
383 for (i
= 0; i
< nsig
; i
++)
385 int hash_nid
, sign_nid
;
386 unsigned char rhash
, rsign
;
387 const char *sstr
= NULL
;
389 SSL_get_shared_sigalgs(s
, i
, &sign_nid
, &hash_nid
, NULL
,
392 SSL_get_sigalgs(s
, i
, &sign_nid
, &hash_nid
, NULL
,
396 if (sign_nid
== EVP_PKEY_RSA
)
398 else if(sign_nid
== EVP_PKEY_DSA
)
400 else if(sign_nid
== EVP_PKEY_EC
)
403 BIO_printf(out
,"%s+", sstr
);
405 BIO_printf(out
,"0x%02X+", (int)rsign
);
406 if (hash_nid
!= NID_undef
)
407 BIO_printf(out
, "%s", OBJ_nid2sn(hash_nid
));
409 BIO_printf(out
,"0x%02X", (int)rhash
);
415 int ssl_print_sigalgs(BIO
*out
, SSL
*s
)
418 if (!SSL_is_server(s
))
419 ssl_print_client_cert_types(out
, s
);
420 do_print_sigalgs(out
, s
, 0);
421 do_print_sigalgs(out
, s
, 1);
422 if (SSL_get_peer_signature_nid(s
, &mdnid
))
423 BIO_printf(out
, "Peer signing digest: %s\n", OBJ_nid2sn(mdnid
));
427 int ssl_print_point_formats(BIO
*out
, SSL
*s
)
430 const char *pformats
;
431 nformats
= SSL_get0_ec_point_formats(s
, &pformats
);
434 BIO_puts(out
, "Supported Elliptic Curve Point Formats: ");
435 for (i
= 0; i
< nformats
; i
++, pformats
++)
441 case TLSEXT_ECPOINTFORMAT_uncompressed
:
442 BIO_puts(out
, "uncompressed");
445 case TLSEXT_ECPOINTFORMAT_ansiX962_compressed_prime
:
446 BIO_puts(out
, "ansiX962_compressed_prime");
449 case TLSEXT_ECPOINTFORMAT_ansiX962_compressed_char2
:
450 BIO_puts(out
, "ansiX962_compressed_char2");
454 BIO_printf(out
, "unknown(%d)", (int)*pformats
);
460 BIO_puts(out
, "NONE");
465 int ssl_print_curves(BIO
*out
, SSL
*s
, int noshared
)
467 int i
, ncurves
, *curves
, nid
;
469 ncurves
= SSL_get1_curves(s
, NULL
);
472 curves
= OPENSSL_malloc(ncurves
* sizeof(int));
473 SSL_get1_curves(s
, curves
);
475 BIO_puts(out
, "Supported Elliptic Curves: ");
476 for (i
= 0; i
< ncurves
; i
++)
481 /* If unrecognised print out hex version */
482 if (nid
& TLSEXT_nid_unknown
)
483 BIO_printf(out
, "0x%04X", nid
& 0xFFFF);
486 /* Use NIST name for curve if it exists */
487 cname
= EC_curve_nid2nist(nid
);
489 cname
= OBJ_nid2sn(nid
);
490 BIO_printf(out
, "%s", cname
);
494 BIO_puts(out
, "NONE");
495 OPENSSL_free(curves
);
501 BIO_puts(out
, "\nShared Elliptic curves: ");
502 ncurves
= SSL_get_shared_curve(s
, -1);
503 for (i
= 0; i
< ncurves
; i
++)
507 nid
= SSL_get_shared_curve(s
, i
);
508 cname
= EC_curve_nid2nist(nid
);
510 cname
= OBJ_nid2sn(nid
);
511 BIO_printf(out
, "%s", cname
);
514 BIO_puts(out
, "NONE");
519 int ssl_print_tmp_key(BIO
*out
, SSL
*s
)
522 if (!SSL_get_server_tmp_key(s
, &key
))
524 BIO_puts(out
, "Server Temp Key: ");
525 switch (EVP_PKEY_id(key
))
528 BIO_printf(out
, "RSA, %d bits\n", EVP_PKEY_bits(key
));
532 BIO_printf(out
, "DH, %d bits\n", EVP_PKEY_bits(key
));
537 EC_KEY
*ec
= EVP_PKEY_get1_EC_KEY(key
);
540 nid
= EC_GROUP_get_curve_name(EC_KEY_get0_group(ec
));
542 cname
= EC_curve_nid2nist(nid
);
544 cname
= OBJ_nid2sn(nid
);
545 BIO_printf(out
, "ECDH, %s, %d bits\n",
546 cname
, EVP_PKEY_bits(key
));
554 long MS_CALLBACK
bio_dump_callback(BIO
*bio
, int cmd
, const char *argp
,
555 int argi
, long argl
, long ret
)
559 out
=(BIO
*)BIO_get_callback_arg(bio
);
560 if (out
== NULL
) return(ret
);
562 if (cmd
== (BIO_CB_READ
|BIO_CB_RETURN
))
564 BIO_printf(out
,"read from %p [%p] (%lu bytes => %ld (0x%lX))\n",
565 (void *)bio
,argp
,(unsigned long)argi
,ret
,ret
);
566 BIO_dump(out
,argp
,(int)ret
);
569 else if (cmd
== (BIO_CB_WRITE
|BIO_CB_RETURN
))
571 BIO_printf(out
,"write to %p [%p] (%lu bytes => %ld (0x%lX))\n",
572 (void *)bio
,argp
,(unsigned long)argi
,ret
,ret
);
573 BIO_dump(out
,argp
,(int)ret
);
578 void MS_CALLBACK
apps_ssl_info_callback(const SSL
*s
, int where
, int ret
)
583 w
=where
& ~SSL_ST_MASK
;
585 if (w
& SSL_ST_CONNECT
) str
="SSL_connect";
586 else if (w
& SSL_ST_ACCEPT
) str
="SSL_accept";
587 else str
="undefined";
589 if (where
& SSL_CB_LOOP
)
591 BIO_printf(bio_err
,"%s:%s\n",str
,SSL_state_string_long(s
));
593 else if (where
& SSL_CB_ALERT
)
595 str
=(where
& SSL_CB_READ
)?"read":"write";
596 BIO_printf(bio_err
,"SSL3 alert %s:%s:%s\n",
598 SSL_alert_type_string_long(ret
),
599 SSL_alert_desc_string_long(ret
));
601 else if (where
& SSL_CB_EXIT
)
604 BIO_printf(bio_err
,"%s:failed in %s\n",
605 str
,SSL_state_string_long(s
));
608 BIO_printf(bio_err
,"%s:error in %s\n",
609 str
,SSL_state_string_long(s
));
615 void MS_CALLBACK
msg_cb(int write_p
, int version
, int content_type
, const void *buf
, size_t len
, SSL
*ssl
, void *arg
)
618 const char *str_write_p
, *str_version
, *str_content_type
= "", *str_details1
= "", *str_details2
= "";
620 str_write_p
= write_p
? ">>>" : "<<<";
625 str_version
= "SSL 2.0";
628 str_version
= "SSL 3.0 ";
631 str_version
= "TLS 1.0 ";
634 str_version
= "TLS 1.1 ";
637 str_version
= "TLS 1.2 ";
640 str_version
= "DTLS 1.0 ";
643 str_version
= "DTLS 1.0 (bad) ";
649 if (version
== SSL2_VERSION
)
651 str_details1
= "???";
655 switch (((const unsigned char*)buf
)[0])
658 str_details1
= ", ERROR:";
659 str_details2
= " ???";
662 unsigned err
= (((const unsigned char*)buf
)[1]<<8) + ((const unsigned char*)buf
)[2];
667 str_details2
= " NO-CIPHER-ERROR";
670 str_details2
= " NO-CERTIFICATE-ERROR";
673 str_details2
= " BAD-CERTIFICATE-ERROR";
676 str_details2
= " UNSUPPORTED-CERTIFICATE-TYPE-ERROR";
683 str_details1
= ", CLIENT-HELLO";
686 str_details1
= ", CLIENT-MASTER-KEY";
689 str_details1
= ", CLIENT-FINISHED";
692 str_details1
= ", SERVER-HELLO";
695 str_details1
= ", SERVER-VERIFY";
698 str_details1
= ", SERVER-FINISHED";
701 str_details1
= ", REQUEST-CERTIFICATE";
704 str_details1
= ", CLIENT-CERTIFICATE";
710 if (version
== SSL3_VERSION
||
711 version
== TLS1_VERSION
||
712 version
== TLS1_1_VERSION
||
713 version
== TLS1_2_VERSION
||
714 version
== DTLS1_VERSION
||
715 version
== DTLS1_BAD_VER
)
717 switch (content_type
)
720 str_content_type
= "ChangeCipherSpec";
723 str_content_type
= "Alert";
726 str_content_type
= "Handshake";
730 if (content_type
== 21) /* Alert */
732 str_details1
= ", ???";
736 switch (((const unsigned char*)buf
)[0])
739 str_details1
= ", warning";
742 str_details1
= ", fatal";
746 str_details2
= " ???";
747 switch (((const unsigned char*)buf
)[1])
750 str_details2
= " close_notify";
753 str_details2
= " unexpected_message";
756 str_details2
= " bad_record_mac";
759 str_details2
= " decryption_failed";
762 str_details2
= " record_overflow";
765 str_details2
= " decompression_failure";
768 str_details2
= " handshake_failure";
771 str_details2
= " bad_certificate";
774 str_details2
= " unsupported_certificate";
777 str_details2
= " certificate_revoked";
780 str_details2
= " certificate_expired";
783 str_details2
= " certificate_unknown";
786 str_details2
= " illegal_parameter";
789 str_details2
= " unknown_ca";
792 str_details2
= " access_denied";
795 str_details2
= " decode_error";
798 str_details2
= " decrypt_error";
801 str_details2
= " export_restriction";
804 str_details2
= " protocol_version";
807 str_details2
= " insufficient_security";
810 str_details2
= " internal_error";
813 str_details2
= " user_canceled";
816 str_details2
= " no_renegotiation";
819 str_details2
= " unsupported_extension";
822 str_details2
= " certificate_unobtainable";
825 str_details2
= " unrecognized_name";
828 str_details2
= " bad_certificate_status_response";
831 str_details2
= " bad_certificate_hash_value";
834 str_details2
= " unknown_psk_identity";
840 if (content_type
== 22) /* Handshake */
842 str_details1
= "???";
846 switch (((const unsigned char*)buf
)[0])
849 str_details1
= ", HelloRequest";
852 str_details1
= ", ClientHello";
855 str_details1
= ", ServerHello";
858 str_details1
= ", HelloVerifyRequest";
861 str_details1
= ", Certificate";
864 str_details1
= ", ServerKeyExchange";
867 str_details1
= ", CertificateRequest";
870 str_details1
= ", ServerHelloDone";
873 str_details1
= ", CertificateVerify";
876 str_details1
= ", ClientKeyExchange";
879 str_details1
= ", Finished";
885 #ifndef OPENSSL_NO_HEARTBEATS
886 if (content_type
== 24) /* Heartbeat */
888 str_details1
= ", Heartbeat";
892 switch (((const unsigned char*)buf
)[0])
895 str_details1
= ", HeartbeatRequest";
898 str_details1
= ", HeartbeatResponse";
906 BIO_printf(bio
, "%s %s%s [length %04lx]%s%s\n", str_write_p
, str_version
, str_content_type
, (unsigned long)len
, str_details1
, str_details2
);
912 BIO_printf(bio
, " ");
918 for (i
= 0; i
< num
; i
++)
920 if (i
% 16 == 0 && i
> 0)
921 BIO_printf(bio
, "\n ");
922 BIO_printf(bio
, " %02x", ((const unsigned char*)buf
)[i
]);
925 BIO_printf(bio
, " ...");
926 BIO_printf(bio
, "\n");
928 (void)BIO_flush(bio
);
931 void MS_CALLBACK
tlsext_cb(SSL
*s
, int client_server
, int type
,
932 unsigned char *data
, int len
,
940 case TLSEXT_TYPE_server_name
:
941 extname
= "server name";
944 case TLSEXT_TYPE_max_fragment_length
:
945 extname
= "max fragment length";
948 case TLSEXT_TYPE_client_certificate_url
:
949 extname
= "client certificate URL";
952 case TLSEXT_TYPE_trusted_ca_keys
:
953 extname
= "trusted CA keys";
956 case TLSEXT_TYPE_truncated_hmac
:
957 extname
= "truncated HMAC";
960 case TLSEXT_TYPE_status_request
:
961 extname
= "status request";
964 case TLSEXT_TYPE_user_mapping
:
965 extname
= "user mapping";
968 case TLSEXT_TYPE_client_authz
:
969 extname
= "client authz";
972 case TLSEXT_TYPE_server_authz
:
973 extname
= "server authz";
976 case TLSEXT_TYPE_cert_type
:
977 extname
= "cert type";
980 case TLSEXT_TYPE_elliptic_curves
:
981 extname
= "elliptic curves";
984 case TLSEXT_TYPE_ec_point_formats
:
985 extname
= "EC point formats";
988 case TLSEXT_TYPE_srp
:
992 case TLSEXT_TYPE_signature_algorithms
:
993 extname
= "signature algorithms";
996 case TLSEXT_TYPE_use_srtp
:
997 extname
= "use SRTP";
1000 case TLSEXT_TYPE_heartbeat
:
1001 extname
= "heartbeat";
1004 case TLSEXT_TYPE_session_ticket
:
1005 extname
= "session ticket";
1008 case TLSEXT_TYPE_renegotiate
:
1009 extname
= "renegotiation info";
1012 #ifdef TLSEXT_TYPE_opaque_prf_input
1013 case TLSEXT_TYPE_opaque_prf_input
:
1014 extname
= "opaque PRF input";
1017 #ifdef TLSEXT_TYPE_next_proto_neg
1018 case TLSEXT_TYPE_next_proto_neg
:
1019 extname
= "next protocol";
1024 extname
= "unknown";
1029 BIO_printf(bio
, "TLS %s extension \"%s\" (id=%d), len=%d\n",
1030 client_server
? "server": "client",
1031 extname
, type
, len
);
1032 BIO_dump(bio
, (char *)data
, len
);
1033 (void)BIO_flush(bio
);
1036 int MS_CALLBACK
generate_cookie_callback(SSL
*ssl
, unsigned char *cookie
, unsigned int *cookie_len
)
1038 unsigned char *buffer
, result
[EVP_MAX_MD_SIZE
];
1039 unsigned int length
, resultlength
;
1042 struct sockaddr_in s4
;
1043 #if OPENSSL_USE_IPV6
1044 struct sockaddr_in6 s6
;
1048 /* Initialize a random secret */
1049 if (!cookie_initialized
)
1051 if (!RAND_bytes(cookie_secret
, COOKIE_SECRET_LENGTH
))
1053 BIO_printf(bio_err
,"error setting random cookie secret\n");
1056 cookie_initialized
= 1;
1059 /* Read peer information */
1060 (void)BIO_dgram_get_peer(SSL_get_rbio(ssl
), &peer
);
1062 /* Create buffer with peer's address and port */
1064 switch (peer
.sa
.sa_family
)
1067 length
+= sizeof(struct in_addr
);
1068 length
+= sizeof(peer
.s4
.sin_port
);
1070 #if OPENSSL_USE_IPV6
1072 length
+= sizeof(struct in6_addr
);
1073 length
+= sizeof(peer
.s6
.sin6_port
);
1080 buffer
= OPENSSL_malloc(length
);
1084 BIO_printf(bio_err
,"out of memory\n");
1088 switch (peer
.sa
.sa_family
)
1093 sizeof(peer
.s4
.sin_port
));
1094 memcpy(buffer
+ sizeof(peer
.s4
.sin_port
),
1096 sizeof(struct in_addr
));
1098 #if OPENSSL_USE_IPV6
1102 sizeof(peer
.s6
.sin6_port
));
1103 memcpy(buffer
+ sizeof(peer
.s6
.sin6_port
),
1105 sizeof(struct in6_addr
));
1113 /* Calculate HMAC of buffer using the secret */
1114 HMAC(EVP_sha1(), cookie_secret
, COOKIE_SECRET_LENGTH
,
1115 buffer
, length
, result
, &resultlength
);
1116 OPENSSL_free(buffer
);
1118 memcpy(cookie
, result
, resultlength
);
1119 *cookie_len
= resultlength
;
1124 int MS_CALLBACK
verify_cookie_callback(SSL
*ssl
, unsigned char *cookie
, unsigned int cookie_len
)
1126 unsigned char *buffer
, result
[EVP_MAX_MD_SIZE
];
1127 unsigned int length
, resultlength
;
1130 struct sockaddr_in s4
;
1131 #if OPENSSL_USE_IPV6
1132 struct sockaddr_in6 s6
;
1136 /* If secret isn't initialized yet, the cookie can't be valid */
1137 if (!cookie_initialized
)
1140 /* Read peer information */
1141 (void)BIO_dgram_get_peer(SSL_get_rbio(ssl
), &peer
);
1143 /* Create buffer with peer's address and port */
1145 switch (peer
.sa
.sa_family
)
1148 length
+= sizeof(struct in_addr
);
1149 length
+= sizeof(peer
.s4
.sin_port
);
1151 #if OPENSSL_USE_IPV6
1153 length
+= sizeof(struct in6_addr
);
1154 length
+= sizeof(peer
.s6
.sin6_port
);
1161 buffer
= OPENSSL_malloc(length
);
1165 BIO_printf(bio_err
,"out of memory\n");
1169 switch (peer
.sa
.sa_family
)
1174 sizeof(peer
.s4
.sin_port
));
1175 memcpy(buffer
+ sizeof(peer
.s4
.sin_port
),
1177 sizeof(struct in_addr
));
1179 #if OPENSSL_USE_IPV6
1183 sizeof(peer
.s6
.sin6_port
));
1184 memcpy(buffer
+ sizeof(peer
.s6
.sin6_port
),
1186 sizeof(struct in6_addr
));
1194 /* Calculate HMAC of buffer using the secret */
1195 HMAC(EVP_sha1(), cookie_secret
, COOKIE_SECRET_LENGTH
,
1196 buffer
, length
, result
, &resultlength
);
1197 OPENSSL_free(buffer
);
1199 if (cookie_len
== resultlength
&& memcmp(result
, cookie
, resultlength
) == 0)
1205 /* Example of extended certificate handling. Where the standard support
1206 * of one certificate per algorithm is not sufficient an application
1207 * can decide which certificate(s) to use at runtime based on whatever
1208 * criteria it deems appropriate.
1211 /* Linked list of certificates, keys and chains */
1212 struct ssl_excert_st
1215 const char *certfile
;
1217 const char *keyfile
;
1218 const char *chainfile
;
1221 STACK_OF(X509
) *chain
;
1223 struct ssl_excert_st
*next
, *prev
;
1232 struct chain_flags chain_flags_list
[] =
1234 {CERT_PKEY_VALID
, "Overall Validity"},
1235 {CERT_PKEY_SIGN
, "Sign with EE key"},
1236 {CERT_PKEY_EE_SIGNATURE
, "EE signature"},
1237 {CERT_PKEY_CA_SIGNATURE
, "CA signature"},
1238 {CERT_PKEY_EE_PARAM
, "EE key parameters"},
1239 {CERT_PKEY_CA_PARAM
, "CA key parameters"},
1240 {CERT_PKEY_EXPLICIT_SIGN
, "Explicity sign with EE key"},
1241 {CERT_PKEY_ISSUER_NAME
, "Issuer Name"},
1242 {CERT_PKEY_CERT_TYPE
, "Certificate Type"},
1247 static void print_chain_flags(BIO
*out
, int flags
)
1249 struct chain_flags
*ctmp
= chain_flags_list
;
1252 BIO_printf(out
, "\t%s: %s\n", ctmp
->name
,
1253 flags
& ctmp
->flag
? "OK" : "NOT OK");
1258 /* Very basic selection callback: just use any certificate chain
1259 * reported as valid. More sophisticated could prioritise according
1262 static int set_cert_cb(SSL
*ssl
, void *arg
)
1265 SSL_EXCERT
*exc
= arg
;
1266 SSL_certs_clear(ssl
);
1271 /* Go to end of list and traverse backwards since we prepend
1272 * newer entries this retains the original order.
1282 rv
= SSL_check_chain(ssl
, exc
->cert
, exc
->key
, exc
->chain
);
1283 BIO_printf(bio_err
, "Checking cert chain %d:\nSubject: ", i
);
1284 X509_NAME_print_ex(bio_err
, X509_get_subject_name(exc
->cert
), 0,
1286 BIO_puts(bio_err
, "\n");
1288 print_chain_flags(bio_err
, rv
);
1289 if (rv
& CERT_PKEY_VALID
)
1291 SSL_use_certificate(ssl
, exc
->cert
);
1292 SSL_use_PrivateKey(ssl
, exc
->key
);
1293 /* NB: we wouldn't normally do this as it is
1294 * not efficient building chains on each connection
1295 * better to cache the chain in advance.
1297 if (exc
->build_chain
)
1299 if (!SSL_build_cert_chain(ssl
, 0))
1302 else if (exc
->chain
)
1303 SSL_set1_chain(ssl
, exc
->chain
);
1310 void ssl_ctx_set_excert(SSL_CTX
*ctx
, SSL_EXCERT
*exc
)
1312 SSL_CTX_set_cert_cb(ctx
, set_cert_cb
, exc
);
1315 static int ssl_excert_prepend(SSL_EXCERT
**pexc
)
1318 exc
= OPENSSL_malloc(sizeof(SSL_EXCERT
));
1321 exc
->certfile
= NULL
;
1322 exc
->keyfile
= NULL
;
1323 exc
->chainfile
= NULL
;
1328 exc
->build_chain
= 0;
1335 exc
->certform
= exc
->next
->certform
;
1336 exc
->keyform
= exc
->next
->keyform
;
1337 exc
->next
->prev
= exc
;
1341 exc
->certform
= FORMAT_PEM
;
1342 exc
->keyform
= FORMAT_PEM
;
1348 void ssl_excert_free(SSL_EXCERT
*exc
)
1354 X509_free(exc
->cert
);
1356 EVP_PKEY_free(exc
->key
);
1358 sk_X509_pop_free(exc
->chain
, X509_free
);
1365 int load_excert(SSL_EXCERT
**pexc
, BIO
*err
)
1367 SSL_EXCERT
*exc
= *pexc
;
1370 /* If nothing in list, free and set to NULL */
1371 if (!exc
->certfile
&& !exc
->next
)
1373 ssl_excert_free(exc
);
1377 for(; exc
; exc
=exc
->next
)
1381 BIO_printf(err
, "Missing filename\n");
1384 exc
->cert
= load_cert(err
, exc
->certfile
, exc
->certform
,
1385 NULL
, NULL
, "Server Certificate");
1389 exc
->keyfile
= exc
->certfile
;
1390 exc
->key
= load_key(err
, exc
->certfile
, exc
->certform
, 0,
1391 NULL
, NULL
, "Server Certificate");
1396 exc
->chain
= load_certs(err
,
1397 exc
->chainfile
, FORMAT_PEM
,
1400 if (!exc
->chainfile
)
1408 int args_excert(char ***pargs
, int *pargc
,
1409 int *badarg
, BIO
*err
, SSL_EXCERT
**pexc
)
1411 char *arg
= **pargs
, *argn
= (*pargs
)[1];
1412 SSL_EXCERT
*exc
= *pexc
;
1416 if (ssl_excert_prepend(&exc
))
1420 BIO_printf(err
, "Error initialising xcert\n");
1425 if (strcmp(arg
, "-xcert") == 0)
1432 if (exc
->certfile
&& !ssl_excert_prepend(&exc
))
1434 BIO_printf(err
, "Error adding xcert\n");
1438 exc
->certfile
= argn
;
1440 else if (strcmp(arg
,"-xkey") == 0)
1449 BIO_printf(err
, "Key already specified\n");
1453 exc
->keyfile
= argn
;
1455 else if (strcmp(arg
,"-xchain") == 0)
1464 BIO_printf(err
, "Chain already specified\n");
1468 exc
->chainfile
= argn
;
1470 else if (strcmp(arg
,"-xchain_build") == 0)
1473 exc
->build_chain
= 1;
1475 else if (strcmp(arg
,"-xcertform") == 0)
1482 exc
->certform
= str2fmt(argn
);
1484 else if (strcmp(arg
,"-xkeyform") == 0)
1491 exc
->keyform
= str2fmt(argn
);
1506 ERR_print_errors(err
);
1507 ssl_excert_free(exc
);
1512 static void print_raw_cipherlist(BIO
*bio
, SSL
*s
)
1514 const unsigned char *rlist
;
1515 static const unsigned char scsv_id
[] = {0, 0, 0xFF};
1516 size_t i
, rlistlen
, num
;
1517 if (!SSL_is_server(s
))
1519 num
= SSL_get0_raw_cipherlist(s
, NULL
);
1520 rlistlen
= SSL_get0_raw_cipherlist(s
, &rlist
);
1521 BIO_puts(bio
, "Client cipher list: ");
1522 for (i
= 0; i
< rlistlen
; i
+= num
, rlist
+= num
)
1524 const SSL_CIPHER
*c
= SSL_CIPHER_find(s
, rlist
);
1528 BIO_puts(bio
, SSL_CIPHER_get_name(c
));
1529 else if (!memcmp(rlist
, scsv_id
- num
+ 3, num
))
1530 BIO_puts(bio
, "SCSV");
1534 BIO_puts(bio
, "0x");
1535 for (j
= 0; j
< num
; j
++)
1536 BIO_printf(bio
, "%02X", rlist
[j
]);
1539 BIO_puts(bio
, "\n");
1543 void print_ssl_summary(BIO
*bio
, SSL
*s
)
1545 const SSL_CIPHER
*c
;
1547 /*const char *pnam = SSL_is_server(s) ? "client" : "server";*/
1548 BIO_printf(bio
, "Protocol version: %s\n", SSL_get_version(s
));
1549 print_raw_cipherlist(bio
, s
);
1550 c
= SSL_get_current_cipher(s
);
1551 BIO_printf(bio
,"Ciphersuite: %s\n", SSL_CIPHER_get_name(c
));
1552 do_print_sigalgs(bio
, s
, 0);
1553 peer
= SSL_get_peer_certificate(s
);
1557 BIO_puts(bio
, "Peer certificate: ");
1558 X509_NAME_print_ex(bio
, X509_get_subject_name(peer
),
1559 0, XN_FLAG_ONELINE
);
1560 BIO_puts(bio
, "\n");
1561 if (SSL_get_peer_signature_nid(s
, &nid
))
1562 BIO_printf(bio
, "Hash used: %s\n", OBJ_nid2sn(nid
));
1565 BIO_puts(bio
, "No peer certificate\n");
1568 ssl_print_point_formats(bio
, s
);
1569 if (SSL_is_server(s
))
1570 ssl_print_curves(bio
, s
, 1);
1572 ssl_print_tmp_key(bio
, s
);
1575 void print_ssl_cert_checks(BIO
*bio
, SSL
*s
,
1576 const unsigned char *checkhost
,
1577 const unsigned char *checkemail
,
1578 const char *checkip
)
1581 peer
= SSL_get_peer_certificate(s
);
1584 print_cert_checks(bio
, peer
, checkhost
, checkemail
, checkip
);
1589 int args_ssl(char ***pargs
, int *pargc
, SSL_CONF_CTX
*cctx
,
1590 int *badarg
, BIO
*err
, STACK_OF(OPENSSL_STRING
) **pstr
)
1592 char *arg
= **pargs
, *argn
= (*pargs
)[1];
1595 /* Attempt to run SSL configuration command */
1596 rv
= SSL_CONF_cmd_argv(cctx
, pargc
, pargs
);
1597 /* If parameter not recognised just return */
1600 /* see if missing argument error */
1603 BIO_printf(err
, "%s needs an argument\n", arg
);
1607 /* Check for some other error */
1610 BIO_printf(err
, "Error with command: \"%s %s\"\n",
1611 arg
, argn
? argn
: "");
1615 /* Store command and argument */
1616 /* If only one argument processed store value as NULL */
1620 *pstr
= sk_OPENSSL_STRING_new_null();
1621 if (!*pstr
|| !sk_OPENSSL_STRING_push(*pstr
, arg
) ||
1622 !sk_OPENSSL_STRING_push(*pstr
, argn
))
1624 BIO_puts(err
, "Memory allocation failure\n");
1630 ERR_print_errors(err
);
1635 int args_ssl_call(SSL_CTX
*ctx
, BIO
*err
, SSL_CONF_CTX
*cctx
,
1636 STACK_OF(OPENSSL_STRING
) *str
, int no_ecdhe
)
1639 SSL_CONF_CTX_set_ssl_ctx(cctx
, ctx
);
1640 for (i
= 0; i
< sk_OPENSSL_STRING_num(str
); i
+= 2)
1642 const char *param
= sk_OPENSSL_STRING_value(str
, i
);
1643 const char *value
= sk_OPENSSL_STRING_value(str
, i
+ 1);
1644 /* If no_ecdhe or named curve already specified don't need
1647 if (!no_ecdhe
&& !strcmp(param
, "-named_curve"))
1649 if (SSL_CONF_cmd(cctx
, param
, value
) <= 0)
1651 BIO_printf(err
, "Error with command: \"%s %s\"\n",
1652 param
, value
? value
: "");
1653 ERR_print_errors(err
);
1657 /* This is a special case to keep existing s_server functionality:
1658 * if we don't have any curve specified *and* we haven't disabled
1659 * ECDHE then use P-256.
1663 if (SSL_CONF_cmd(cctx
, "-named_curve", "P-256") <= 0)
1665 BIO_puts(err
, "Error setting EC curve\n");
1666 ERR_print_errors(err
);
1673 static int add_crls_store(X509_STORE
*st
, STACK_OF(X509_CRL
) *crls
)
1679 for (i
= 0; i
< sk_X509_CRL_num(crls
); i
++)
1681 crl
= sk_X509_CRL_value(crls
, i
);
1682 X509_STORE_add_crl(st
, crl
);
1688 int ssl_ctx_add_crls(SSL_CTX
*ctx
, STACK_OF(X509_CRL
) *crls
)
1693 st
= SSL_CTX_get_cert_store(ctx
);
1694 add_crls_store(st
, crls
);
1699 int ssl_load_stores(SSL_CTX
*ctx
,
1700 const char *vfyCApath
, const char *vfyCAfile
,
1701 const char *chCApath
, const char *chCAfile
,
1702 STACK_OF(X509_CRL
) *crls
)
1704 X509_STORE
*vfy
= NULL
, *ch
= NULL
;
1706 if (vfyCApath
|| vfyCAfile
)
1708 vfy
= X509_STORE_new();
1709 if (!X509_STORE_load_locations(vfy
, vfyCAfile
, vfyCApath
))
1711 add_crls_store(vfy
, crls
);
1712 SSL_CTX_set1_verify_cert_store(ctx
, vfy
);
1714 if (chCApath
|| chCAfile
)
1716 ch
= X509_STORE_new();
1717 if (!X509_STORE_load_locations(ch
, chCAfile
, chCApath
))
1719 SSL_CTX_set1_chain_cert_store(ctx
, ch
);
1724 X509_STORE_free(vfy
);
1726 X509_STORE_free(ch
);