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
128 int verify_error=X509_V_OK;
129 int verify_return_error=0;
130 unsigned char cookie_secret[COOKIE_SECRET_LENGTH];
131 int cookie_initialized=0;
133 int MS_CALLBACK verify_callback(int ok, X509_STORE_CTX *ctx)
138 err_cert=X509_STORE_CTX_get_current_cert(ctx);
139 err= X509_STORE_CTX_get_error(ctx);
140 depth= X509_STORE_CTX_get_error_depth(ctx);
142 BIO_printf(bio_err,"depth=%d ",depth);
145 X509_NAME_print_ex(bio_err, X509_get_subject_name(err_cert),
147 BIO_puts(bio_err, "\n");
150 BIO_puts(bio_err, "<no cert>\n");
153 BIO_printf(bio_err,"verify error:num=%d:%s\n",err,
154 X509_verify_cert_error_string(err));
155 if (verify_depth >= depth)
157 if (!verify_return_error)
159 verify_error=X509_V_OK;
164 verify_error=X509_V_ERR_CERT_CHAIN_TOO_LONG;
169 case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT:
170 BIO_puts(bio_err,"issuer= ");
171 X509_NAME_print_ex(bio_err, X509_get_issuer_name(err_cert),
173 BIO_puts(bio_err, "\n");
175 case X509_V_ERR_CERT_NOT_YET_VALID:
176 case X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD:
177 BIO_printf(bio_err,"notBefore=");
178 ASN1_TIME_print(bio_err,X509_get_notBefore(err_cert));
179 BIO_printf(bio_err,"\n");
181 case X509_V_ERR_CERT_HAS_EXPIRED:
182 case X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD:
183 BIO_printf(bio_err,"notAfter=");
184 ASN1_TIME_print(bio_err,X509_get_notAfter(err_cert));
185 BIO_printf(bio_err,"\n");
187 case X509_V_ERR_NO_EXPLICIT_POLICY:
188 policies_print(bio_err, ctx);
191 if (err == X509_V_OK && ok == 2)
192 policies_print(bio_err, ctx);
194 BIO_printf(bio_err,"verify return:%d\n",ok);
198 int set_cert_stuff(SSL_CTX *ctx, char *cert_file, char *key_file)
200 if (cert_file != NULL)
207 if (SSL_CTX_use_certificate_file(ctx,cert_file,
208 SSL_FILETYPE_PEM) <= 0)
210 BIO_printf(bio_err,"unable to get certificate from '%s'\n",cert_file);
211 ERR_print_errors(bio_err);
214 if (key_file == NULL) key_file=cert_file;
215 if (SSL_CTX_use_PrivateKey_file(ctx,key_file,
216 SSL_FILETYPE_PEM) <= 0)
218 BIO_printf(bio_err,"unable to get private key from '%s'\n",key_file);
219 ERR_print_errors(bio_err);
224 In theory this is no longer needed
226 x509=SSL_get_certificate(ssl);
230 pktmp = X509_get_pubkey(x509);
231 EVP_PKEY_copy_parameters(pktmp,
232 SSL_get_privatekey(ssl));
233 EVP_PKEY_free(pktmp);
238 /* If we are using DSA, we can copy the parameters from
242 /* Now we know that a key and cert have been set against
244 if (!SSL_CTX_check_private_key(ctx))
246 BIO_printf(bio_err,"Private key does not match the certificate public key\n");
253 int set_cert_key_stuff(SSL_CTX *ctx, X509 *cert, EVP_PKEY *key,
254 STACK_OF(X509) *chain)
258 if (SSL_CTX_use_certificate(ctx,cert) <= 0)
260 BIO_printf(bio_err,"error setting certificate\n");
261 ERR_print_errors(bio_err);
264 if (SSL_CTX_use_PrivateKey(ctx,key) <= 0)
266 BIO_printf(bio_err,"error setting private key\n");
267 ERR_print_errors(bio_err);
272 /* Now we know that a key and cert have been set against
274 if (!SSL_CTX_check_private_key(ctx))
276 BIO_printf(bio_err,"Private key does not match the certificate public key\n");
279 if (chain && !SSL_CTX_set1_chain(ctx, chain))
281 BIO_printf(bio_err,"error setting certificate chain\n");
282 ERR_print_errors(bio_err);
292 STACK_OF(X509) *chain;
293 struct ssl_excert_st *next;
296 static int set_cert_cb(SSL *ssl, void *arg)
301 int ssl_print_sigalgs(BIO *out, SSL *s)
304 nsig = SSL_get_sigalgs(s, -1, NULL, NULL, NULL, NULL, NULL);
308 BIO_puts(out, "Signature Algorithms: ");
309 for (i = 0; i < nsig; i++)
311 int hash_nid, sign_nid;
312 unsigned char rhash, rsign;
313 const char *sstr = NULL;
314 SSL_get_sigalgs(s, i, &sign_nid, &hash_nid, NULL,
318 if (sign_nid == EVP_PKEY_RSA)
320 else if(sign_nid == EVP_PKEY_DSA)
322 else if(sign_nid == EVP_PKEY_EC)
325 BIO_printf(out,"%s+", sstr);
327 BIO_printf(out,"0x%02X+", (int)rsign);
328 if (hash_nid != NID_undef)
329 BIO_printf(out, "%s", OBJ_nid2sn(hash_nid));
331 BIO_printf(out,"0x%02X", (int)rhash);
337 int ssl_print_curves(BIO *out, SSL *s)
339 int i, ncurves, *curves, nid;
341 ncurves = SSL_get1_curves(s, NULL);
344 curves = OPENSSL_malloc(ncurves * sizeof(int));
345 SSL_get1_curves(s, curves);
347 BIO_puts(out, "Supported Elliptic Curves: ");
348 for (i = 0; i < ncurves; i++)
353 /* If unrecognised print out hex version */
354 if (nid & TLSEXT_nid_unknown)
355 BIO_printf(out, "0x%04X", nid & 0xFFFF);
358 /* Use NIST name for curve if it exists */
359 cname = EC_curve_nid2nist(nid);
361 cname = OBJ_nid2sn(nid);
362 BIO_printf(out, "%s", cname);
365 BIO_puts(out, "\nShared Elliptic curves: ");
366 OPENSSL_free(curves);
367 ncurves = SSL_get_shared_curve(s, -1);
368 for (i = 0; i < ncurves; i++)
372 nid = SSL_get_shared_curve(s, i);
373 cname = EC_curve_nid2nist(nid);
375 cname = OBJ_nid2sn(nid);
376 BIO_printf(out, "%s", cname);
379 BIO_puts(out, "NONE");
385 long MS_CALLBACK bio_dump_callback(BIO *bio, int cmd, const char *argp,
386 int argi, long argl, long ret)
390 out=(BIO *)BIO_get_callback_arg(bio);
391 if (out == NULL) return(ret);
393 if (cmd == (BIO_CB_READ|BIO_CB_RETURN))
395 BIO_printf(out,"read from %p [%p] (%lu bytes => %ld (0x%lX))\n",
396 (void *)bio,argp,(unsigned long)argi,ret,ret);
397 BIO_dump(out,argp,(int)ret);
400 else if (cmd == (BIO_CB_WRITE|BIO_CB_RETURN))
402 BIO_printf(out,"write to %p [%p] (%lu bytes => %ld (0x%lX))\n",
403 (void *)bio,argp,(unsigned long)argi,ret,ret);
404 BIO_dump(out,argp,(int)ret);
409 void MS_CALLBACK apps_ssl_info_callback(const SSL *s, int where, int ret)
414 w=where& ~SSL_ST_MASK;
416 if (w & SSL_ST_CONNECT) str="SSL_connect";
417 else if (w & SSL_ST_ACCEPT) str="SSL_accept";
418 else str="undefined";
420 if (where & SSL_CB_LOOP)
422 BIO_printf(bio_err,"%s:%s\n",str,SSL_state_string_long(s));
424 else if (where & SSL_CB_ALERT)
426 str=(where & SSL_CB_READ)?"read":"write";
427 BIO_printf(bio_err,"SSL3 alert %s:%s:%s\n",
429 SSL_alert_type_string_long(ret),
430 SSL_alert_desc_string_long(ret));
432 else if (where & SSL_CB_EXIT)
435 BIO_printf(bio_err,"%s:failed in %s\n",
436 str,SSL_state_string_long(s));
439 BIO_printf(bio_err,"%s:error in %s\n",
440 str,SSL_state_string_long(s));
446 void MS_CALLBACK msg_cb(int write_p, int version, int content_type, const void *buf, size_t len, SSL *ssl, void *arg)
449 const char *str_write_p, *str_version, *str_content_type = "", *str_details1 = "", *str_details2= "";
451 str_write_p = write_p ? ">>>" : "<<<";
456 str_version = "SSL 2.0";
459 str_version = "SSL 3.0 ";
462 str_version = "TLS 1.0 ";
465 str_version = "TLS 1.1 ";
468 str_version = "TLS 1.2 ";
471 str_version = "DTLS 1.0 ";
474 str_version = "DTLS 1.0 (bad) ";
480 if (version == SSL2_VERSION)
482 str_details1 = "???";
486 switch (((const unsigned char*)buf)[0])
489 str_details1 = ", ERROR:";
490 str_details2 = " ???";
493 unsigned err = (((const unsigned char*)buf)[1]<<8) + ((const unsigned char*)buf)[2];
498 str_details2 = " NO-CIPHER-ERROR";
501 str_details2 = " NO-CERTIFICATE-ERROR";
504 str_details2 = " BAD-CERTIFICATE-ERROR";
507 str_details2 = " UNSUPPORTED-CERTIFICATE-TYPE-ERROR";
514 str_details1 = ", CLIENT-HELLO";
517 str_details1 = ", CLIENT-MASTER-KEY";
520 str_details1 = ", CLIENT-FINISHED";
523 str_details1 = ", SERVER-HELLO";
526 str_details1 = ", SERVER-VERIFY";
529 str_details1 = ", SERVER-FINISHED";
532 str_details1 = ", REQUEST-CERTIFICATE";
535 str_details1 = ", CLIENT-CERTIFICATE";
541 if (version == SSL3_VERSION ||
542 version == TLS1_VERSION ||
543 version == DTLS1_VERSION ||
544 version == DTLS1_BAD_VER)
546 switch (content_type)
549 str_content_type = "ChangeCipherSpec";
552 str_content_type = "Alert";
555 str_content_type = "Handshake";
559 if (content_type == 21) /* Alert */
561 str_details1 = ", ???";
565 switch (((const unsigned char*)buf)[0])
568 str_details1 = ", warning";
571 str_details1 = ", fatal";
575 str_details2 = " ???";
576 switch (((const unsigned char*)buf)[1])
579 str_details2 = " close_notify";
582 str_details2 = " unexpected_message";
585 str_details2 = " bad_record_mac";
588 str_details2 = " decryption_failed";
591 str_details2 = " record_overflow";
594 str_details2 = " decompression_failure";
597 str_details2 = " handshake_failure";
600 str_details2 = " bad_certificate";
603 str_details2 = " unsupported_certificate";
606 str_details2 = " certificate_revoked";
609 str_details2 = " certificate_expired";
612 str_details2 = " certificate_unknown";
615 str_details2 = " illegal_parameter";
618 str_details2 = " unknown_ca";
621 str_details2 = " access_denied";
624 str_details2 = " decode_error";
627 str_details2 = " decrypt_error";
630 str_details2 = " export_restriction";
633 str_details2 = " protocol_version";
636 str_details2 = " insufficient_security";
639 str_details2 = " internal_error";
642 str_details2 = " user_canceled";
645 str_details2 = " no_renegotiation";
648 str_details2 = " unsupported_extension";
651 str_details2 = " certificate_unobtainable";
654 str_details2 = " unrecognized_name";
657 str_details2 = " bad_certificate_status_response";
660 str_details2 = " bad_certificate_hash_value";
663 str_details2 = " unknown_psk_identity";
669 if (content_type == 22) /* Handshake */
671 str_details1 = "???";
675 switch (((const unsigned char*)buf)[0])
678 str_details1 = ", HelloRequest";
681 str_details1 = ", ClientHello";
684 str_details1 = ", ServerHello";
687 str_details1 = ", HelloVerifyRequest";
690 str_details1 = ", Certificate";
693 str_details1 = ", ServerKeyExchange";
696 str_details1 = ", CertificateRequest";
699 str_details1 = ", ServerHelloDone";
702 str_details1 = ", CertificateVerify";
705 str_details1 = ", ClientKeyExchange";
708 str_details1 = ", Finished";
714 #ifndef OPENSSL_NO_HEARTBEATS
715 if (content_type == 24) /* Heartbeat */
717 str_details1 = ", Heartbeat";
721 switch (((const unsigned char*)buf)[0])
724 str_details1 = ", HeartbeatRequest";
727 str_details1 = ", HeartbeatResponse";
735 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);
741 BIO_printf(bio, " ");
747 for (i = 0; i < num; i++)
749 if (i % 16 == 0 && i > 0)
750 BIO_printf(bio, "\n ");
751 BIO_printf(bio, " %02x", ((const unsigned char*)buf)[i]);
754 BIO_printf(bio, " ...");
755 BIO_printf(bio, "\n");
757 (void)BIO_flush(bio);
760 void MS_CALLBACK tlsext_cb(SSL *s, int client_server, int type,
761 unsigned char *data, int len,
769 case TLSEXT_TYPE_server_name:
770 extname = "server name";
773 case TLSEXT_TYPE_max_fragment_length:
774 extname = "max fragment length";
777 case TLSEXT_TYPE_client_certificate_url:
778 extname = "client certificate URL";
781 case TLSEXT_TYPE_trusted_ca_keys:
782 extname = "trusted CA keys";
785 case TLSEXT_TYPE_truncated_hmac:
786 extname = "truncated HMAC";
789 case TLSEXT_TYPE_status_request:
790 extname = "status request";
793 case TLSEXT_TYPE_user_mapping:
794 extname = "user mapping";
797 case TLSEXT_TYPE_client_authz:
798 extname = "client authz";
801 case TLSEXT_TYPE_server_authz:
802 extname = "server authz";
805 case TLSEXT_TYPE_cert_type:
806 extname = "cert type";
809 case TLSEXT_TYPE_elliptic_curves:
810 extname = "elliptic curves";
813 case TLSEXT_TYPE_ec_point_formats:
814 extname = "EC point formats";
817 case TLSEXT_TYPE_srp:
821 case TLSEXT_TYPE_signature_algorithms:
822 extname = "signature algorithms";
825 case TLSEXT_TYPE_use_srtp:
826 extname = "use SRTP";
829 case TLSEXT_TYPE_heartbeat:
830 extname = "heartbeat";
833 case TLSEXT_TYPE_session_ticket:
834 extname = "session ticket";
837 case TLSEXT_TYPE_renegotiate:
838 extname = "renegotiation info";
841 #ifdef TLSEXT_TYPE_opaque_prf_input
842 case TLSEXT_TYPE_opaque_prf_input:
843 extname = "opaque PRF input";
846 #ifdef TLSEXT_TYPE_next_proto_neg
847 case TLSEXT_TYPE_next_proto_neg:
848 extname = "next protocol";
858 BIO_printf(bio, "TLS %s extension \"%s\" (id=%d), len=%d\n",
859 client_server ? "server": "client",
861 BIO_dump(bio, (char *)data, len);
862 (void)BIO_flush(bio);
865 int MS_CALLBACK generate_cookie_callback(SSL *ssl, unsigned char *cookie, unsigned int *cookie_len)
867 unsigned char *buffer, result[EVP_MAX_MD_SIZE];
868 unsigned int length, resultlength;
871 struct sockaddr_in s4;
873 struct sockaddr_in6 s6;
877 /* Initialize a random secret */
878 if (!cookie_initialized)
880 if (!RAND_bytes(cookie_secret, COOKIE_SECRET_LENGTH))
882 BIO_printf(bio_err,"error setting random cookie secret\n");
885 cookie_initialized = 1;
888 /* Read peer information */
889 (void)BIO_dgram_get_peer(SSL_get_rbio(ssl), &peer);
891 /* Create buffer with peer's address and port */
893 switch (peer.sa.sa_family)
896 length += sizeof(struct in_addr);
897 length += sizeof(peer.s4.sin_port);
901 length += sizeof(struct in6_addr);
902 length += sizeof(peer.s6.sin6_port);
909 buffer = OPENSSL_malloc(length);
913 BIO_printf(bio_err,"out of memory\n");
917 switch (peer.sa.sa_family)
922 sizeof(peer.s4.sin_port));
923 memcpy(buffer + sizeof(peer.s4.sin_port),
925 sizeof(struct in_addr));
931 sizeof(peer.s6.sin6_port));
932 memcpy(buffer + sizeof(peer.s6.sin6_port),
934 sizeof(struct in6_addr));
942 /* Calculate HMAC of buffer using the secret */
943 HMAC(EVP_sha1(), cookie_secret, COOKIE_SECRET_LENGTH,
944 buffer, length, result, &resultlength);
945 OPENSSL_free(buffer);
947 memcpy(cookie, result, resultlength);
948 *cookie_len = resultlength;
953 int MS_CALLBACK verify_cookie_callback(SSL *ssl, unsigned char *cookie, unsigned int cookie_len)
955 unsigned char *buffer, result[EVP_MAX_MD_SIZE];
956 unsigned int length, resultlength;
959 struct sockaddr_in s4;
961 struct sockaddr_in6 s6;
965 /* If secret isn't initialized yet, the cookie can't be valid */
966 if (!cookie_initialized)
969 /* Read peer information */
970 (void)BIO_dgram_get_peer(SSL_get_rbio(ssl), &peer);
972 /* Create buffer with peer's address and port */
974 switch (peer.sa.sa_family)
977 length += sizeof(struct in_addr);
978 length += sizeof(peer.s4.sin_port);
982 length += sizeof(struct in6_addr);
983 length += sizeof(peer.s6.sin6_port);
990 buffer = OPENSSL_malloc(length);
994 BIO_printf(bio_err,"out of memory\n");
998 switch (peer.sa.sa_family)
1003 sizeof(peer.s4.sin_port));
1004 memcpy(buffer + sizeof(peer.s4.sin_port),
1006 sizeof(struct in_addr));
1008 #if OPENSSL_USE_IPV6
1012 sizeof(peer.s6.sin6_port));
1013 memcpy(buffer + sizeof(peer.s6.sin6_port),
1015 sizeof(struct in6_addr));
1023 /* Calculate HMAC of buffer using the secret */
1024 HMAC(EVP_sha1(), cookie_secret, COOKIE_SECRET_LENGTH,
1025 buffer, length, result, &resultlength);
1026 OPENSSL_free(buffer);
1028 if (cookie_len == resultlength && memcmp(result, cookie, resultlength) == 0)