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));
426 #ifndef OPENSSL_NO_EC
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));
534 #ifndef OPENSSL_NO_ECDH
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));
555 long MS_CALLBACK bio_dump_callback(BIO *bio, int cmd, const char *argp,
556 int argi, long argl, long ret)
560 out=(BIO *)BIO_get_callback_arg(bio);
561 if (out == NULL) return(ret);
563 if (cmd == (BIO_CB_READ|BIO_CB_RETURN))
565 BIO_printf(out,"read from %p [%p] (%lu bytes => %ld (0x%lX))\n",
566 (void *)bio,argp,(unsigned long)argi,ret,ret);
567 BIO_dump(out,argp,(int)ret);
570 else if (cmd == (BIO_CB_WRITE|BIO_CB_RETURN))
572 BIO_printf(out,"write to %p [%p] (%lu bytes => %ld (0x%lX))\n",
573 (void *)bio,argp,(unsigned long)argi,ret,ret);
574 BIO_dump(out,argp,(int)ret);
579 void MS_CALLBACK apps_ssl_info_callback(const SSL *s, int where, int ret)
584 w=where& ~SSL_ST_MASK;
586 if (w & SSL_ST_CONNECT) str="SSL_connect";
587 else if (w & SSL_ST_ACCEPT) str="SSL_accept";
588 else str="undefined";
590 if (where & SSL_CB_LOOP)
592 BIO_printf(bio_err,"%s:%s\n",str,SSL_state_string_long(s));
594 else if (where & SSL_CB_ALERT)
596 str=(where & SSL_CB_READ)?"read":"write";
597 BIO_printf(bio_err,"SSL3 alert %s:%s:%s\n",
599 SSL_alert_type_string_long(ret),
600 SSL_alert_desc_string_long(ret));
602 else if (where & SSL_CB_EXIT)
605 BIO_printf(bio_err,"%s:failed in %s\n",
606 str,SSL_state_string_long(s));
609 BIO_printf(bio_err,"%s:error in %s\n",
610 str,SSL_state_string_long(s));
616 void MS_CALLBACK msg_cb(int write_p, int version, int content_type, const void *buf, size_t len, SSL *ssl, void *arg)
619 const char *str_write_p, *str_version, *str_content_type = "", *str_details1 = "", *str_details2= "";
621 str_write_p = write_p ? ">>>" : "<<<";
626 str_version = "SSL 2.0";
629 str_version = "SSL 3.0 ";
632 str_version = "TLS 1.0 ";
635 str_version = "TLS 1.1 ";
638 str_version = "TLS 1.2 ";
641 str_version = "DTLS 1.0 ";
644 str_version = "DTLS 1.0 (bad) ";
650 if (version == SSL2_VERSION)
652 str_details1 = "???";
656 switch (((const unsigned char*)buf)[0])
659 str_details1 = ", ERROR:";
660 str_details2 = " ???";
663 unsigned err = (((const unsigned char*)buf)[1]<<8) + ((const unsigned char*)buf)[2];
668 str_details2 = " NO-CIPHER-ERROR";
671 str_details2 = " NO-CERTIFICATE-ERROR";
674 str_details2 = " BAD-CERTIFICATE-ERROR";
677 str_details2 = " UNSUPPORTED-CERTIFICATE-TYPE-ERROR";
684 str_details1 = ", CLIENT-HELLO";
687 str_details1 = ", CLIENT-MASTER-KEY";
690 str_details1 = ", CLIENT-FINISHED";
693 str_details1 = ", SERVER-HELLO";
696 str_details1 = ", SERVER-VERIFY";
699 str_details1 = ", SERVER-FINISHED";
702 str_details1 = ", REQUEST-CERTIFICATE";
705 str_details1 = ", CLIENT-CERTIFICATE";
711 if (version == SSL3_VERSION ||
712 version == TLS1_VERSION ||
713 version == TLS1_1_VERSION ||
714 version == TLS1_2_VERSION ||
715 version == DTLS1_VERSION ||
716 version == DTLS1_BAD_VER)
718 switch (content_type)
721 str_content_type = "ChangeCipherSpec";
724 str_content_type = "Alert";
727 str_content_type = "Handshake";
731 if (content_type == 21) /* Alert */
733 str_details1 = ", ???";
737 switch (((const unsigned char*)buf)[0])
740 str_details1 = ", warning";
743 str_details1 = ", fatal";
747 str_details2 = " ???";
748 switch (((const unsigned char*)buf)[1])
751 str_details2 = " close_notify";
754 str_details2 = " unexpected_message";
757 str_details2 = " bad_record_mac";
760 str_details2 = " decryption_failed";
763 str_details2 = " record_overflow";
766 str_details2 = " decompression_failure";
769 str_details2 = " handshake_failure";
772 str_details2 = " bad_certificate";
775 str_details2 = " unsupported_certificate";
778 str_details2 = " certificate_revoked";
781 str_details2 = " certificate_expired";
784 str_details2 = " certificate_unknown";
787 str_details2 = " illegal_parameter";
790 str_details2 = " unknown_ca";
793 str_details2 = " access_denied";
796 str_details2 = " decode_error";
799 str_details2 = " decrypt_error";
802 str_details2 = " export_restriction";
805 str_details2 = " protocol_version";
808 str_details2 = " insufficient_security";
811 str_details2 = " internal_error";
814 str_details2 = " user_canceled";
817 str_details2 = " no_renegotiation";
820 str_details2 = " unsupported_extension";
823 str_details2 = " certificate_unobtainable";
826 str_details2 = " unrecognized_name";
829 str_details2 = " bad_certificate_status_response";
832 str_details2 = " bad_certificate_hash_value";
835 str_details2 = " unknown_psk_identity";
841 if (content_type == 22) /* Handshake */
843 str_details1 = "???";
847 switch (((const unsigned char*)buf)[0])
850 str_details1 = ", HelloRequest";
853 str_details1 = ", ClientHello";
856 str_details1 = ", ServerHello";
859 str_details1 = ", HelloVerifyRequest";
862 str_details1 = ", Certificate";
865 str_details1 = ", ServerKeyExchange";
868 str_details1 = ", CertificateRequest";
871 str_details1 = ", ServerHelloDone";
874 str_details1 = ", CertificateVerify";
877 str_details1 = ", ClientKeyExchange";
880 str_details1 = ", SupplementalData";
883 str_details1 = ", Finished";
889 #ifndef OPENSSL_NO_HEARTBEATS
890 if (content_type == 24) /* Heartbeat */
892 str_details1 = ", Heartbeat";
896 switch (((const unsigned char*)buf)[0])
899 str_details1 = ", HeartbeatRequest";
902 str_details1 = ", HeartbeatResponse";
910 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);
916 BIO_printf(bio, " ");
922 for (i = 0; i < num; i++)
924 if (i % 16 == 0 && i > 0)
925 BIO_printf(bio, "\n ");
926 BIO_printf(bio, " %02x", ((const unsigned char*)buf)[i]);
929 BIO_printf(bio, " ...");
930 BIO_printf(bio, "\n");
932 (void)BIO_flush(bio);
935 void MS_CALLBACK tlsext_cb(SSL *s, int client_server, int type,
936 unsigned char *data, int len,
944 case TLSEXT_TYPE_server_name:
945 extname = "server name";
948 case TLSEXT_TYPE_max_fragment_length:
949 extname = "max fragment length";
952 case TLSEXT_TYPE_client_certificate_url:
953 extname = "client certificate URL";
956 case TLSEXT_TYPE_trusted_ca_keys:
957 extname = "trusted CA keys";
960 case TLSEXT_TYPE_truncated_hmac:
961 extname = "truncated HMAC";
964 case TLSEXT_TYPE_status_request:
965 extname = "status request";
968 case TLSEXT_TYPE_user_mapping:
969 extname = "user mapping";
972 case TLSEXT_TYPE_client_authz:
973 extname = "client authz";
976 case TLSEXT_TYPE_server_authz:
977 extname = "server authz";
980 case TLSEXT_TYPE_cert_type:
981 extname = "cert type";
984 case TLSEXT_TYPE_elliptic_curves:
985 extname = "elliptic curves";
988 case TLSEXT_TYPE_ec_point_formats:
989 extname = "EC point formats";
992 case TLSEXT_TYPE_srp:
996 case TLSEXT_TYPE_signature_algorithms:
997 extname = "signature algorithms";
1000 case TLSEXT_TYPE_use_srtp:
1001 extname = "use SRTP";
1004 case TLSEXT_TYPE_heartbeat:
1005 extname = "heartbeat";
1008 case TLSEXT_TYPE_session_ticket:
1009 extname = "session ticket";
1012 case TLSEXT_TYPE_renegotiate:
1013 extname = "renegotiation info";
1016 #ifdef TLSEXT_TYPE_opaque_prf_input
1017 case TLSEXT_TYPE_opaque_prf_input:
1018 extname = "opaque PRF input";
1021 #ifdef TLSEXT_TYPE_next_proto_neg
1022 case TLSEXT_TYPE_next_proto_neg:
1023 extname = "next protocol";
1028 extname = "unknown";
1033 BIO_printf(bio, "TLS %s extension \"%s\" (id=%d), len=%d\n",
1034 client_server ? "server": "client",
1035 extname, type, len);
1036 BIO_dump(bio, (char *)data, len);
1037 (void)BIO_flush(bio);
1040 int MS_CALLBACK generate_cookie_callback(SSL *ssl, unsigned char *cookie, unsigned int *cookie_len)
1042 unsigned char *buffer, result[EVP_MAX_MD_SIZE];
1043 unsigned int length, resultlength;
1046 struct sockaddr_in s4;
1047 #if OPENSSL_USE_IPV6
1048 struct sockaddr_in6 s6;
1052 /* Initialize a random secret */
1053 if (!cookie_initialized)
1055 if (!RAND_bytes(cookie_secret, COOKIE_SECRET_LENGTH))
1057 BIO_printf(bio_err,"error setting random cookie secret\n");
1060 cookie_initialized = 1;
1063 /* Read peer information */
1064 (void)BIO_dgram_get_peer(SSL_get_rbio(ssl), &peer);
1066 /* Create buffer with peer's address and port */
1068 switch (peer.sa.sa_family)
1071 length += sizeof(struct in_addr);
1072 length += sizeof(peer.s4.sin_port);
1074 #if OPENSSL_USE_IPV6
1076 length += sizeof(struct in6_addr);
1077 length += sizeof(peer.s6.sin6_port);
1084 buffer = OPENSSL_malloc(length);
1088 BIO_printf(bio_err,"out of memory\n");
1092 switch (peer.sa.sa_family)
1097 sizeof(peer.s4.sin_port));
1098 memcpy(buffer + sizeof(peer.s4.sin_port),
1100 sizeof(struct in_addr));
1102 #if OPENSSL_USE_IPV6
1106 sizeof(peer.s6.sin6_port));
1107 memcpy(buffer + sizeof(peer.s6.sin6_port),
1109 sizeof(struct in6_addr));
1117 /* Calculate HMAC of buffer using the secret */
1118 HMAC(EVP_sha1(), cookie_secret, COOKIE_SECRET_LENGTH,
1119 buffer, length, result, &resultlength);
1120 OPENSSL_free(buffer);
1122 memcpy(cookie, result, resultlength);
1123 *cookie_len = resultlength;
1128 int MS_CALLBACK verify_cookie_callback(SSL *ssl, unsigned char *cookie, unsigned int cookie_len)
1130 unsigned char *buffer, result[EVP_MAX_MD_SIZE];
1131 unsigned int length, resultlength;
1134 struct sockaddr_in s4;
1135 #if OPENSSL_USE_IPV6
1136 struct sockaddr_in6 s6;
1140 /* If secret isn't initialized yet, the cookie can't be valid */
1141 if (!cookie_initialized)
1144 /* Read peer information */
1145 (void)BIO_dgram_get_peer(SSL_get_rbio(ssl), &peer);
1147 /* Create buffer with peer's address and port */
1149 switch (peer.sa.sa_family)
1152 length += sizeof(struct in_addr);
1153 length += sizeof(peer.s4.sin_port);
1155 #if OPENSSL_USE_IPV6
1157 length += sizeof(struct in6_addr);
1158 length += sizeof(peer.s6.sin6_port);
1165 buffer = OPENSSL_malloc(length);
1169 BIO_printf(bio_err,"out of memory\n");
1173 switch (peer.sa.sa_family)
1178 sizeof(peer.s4.sin_port));
1179 memcpy(buffer + sizeof(peer.s4.sin_port),
1181 sizeof(struct in_addr));
1183 #if OPENSSL_USE_IPV6
1187 sizeof(peer.s6.sin6_port));
1188 memcpy(buffer + sizeof(peer.s6.sin6_port),
1190 sizeof(struct in6_addr));
1198 /* Calculate HMAC of buffer using the secret */
1199 HMAC(EVP_sha1(), cookie_secret, COOKIE_SECRET_LENGTH,
1200 buffer, length, result, &resultlength);
1201 OPENSSL_free(buffer);
1203 if (cookie_len == resultlength && memcmp(result, cookie, resultlength) == 0)
1209 /* Example of extended certificate handling. Where the standard support
1210 * of one certificate per algorithm is not sufficient an application
1211 * can decide which certificate(s) to use at runtime based on whatever
1212 * criteria it deems appropriate.
1215 /* Linked list of certificates, keys and chains */
1216 struct ssl_excert_st
1219 const char *certfile;
1221 const char *keyfile;
1222 const char *chainfile;
1225 STACK_OF(X509) *chain;
1227 struct ssl_excert_st *next, *prev;
1236 struct chain_flags chain_flags_list[] =
1238 {CERT_PKEY_VALID, "Overall Validity"},
1239 {CERT_PKEY_SIGN, "Sign with EE key"},
1240 {CERT_PKEY_EE_SIGNATURE, "EE signature"},
1241 {CERT_PKEY_CA_SIGNATURE, "CA signature"},
1242 {CERT_PKEY_EE_PARAM, "EE key parameters"},
1243 {CERT_PKEY_CA_PARAM, "CA key parameters"},
1244 {CERT_PKEY_EXPLICIT_SIGN, "Explicity sign with EE key"},
1245 {CERT_PKEY_ISSUER_NAME, "Issuer Name"},
1246 {CERT_PKEY_CERT_TYPE, "Certificate Type"},
1251 static void print_chain_flags(BIO *out, int flags)
1253 struct chain_flags *ctmp = chain_flags_list;
1256 BIO_printf(out, "\t%s: %s\n", ctmp->name,
1257 flags & ctmp->flag ? "OK" : "NOT OK");
1262 /* Very basic selection callback: just use any certificate chain
1263 * reported as valid. More sophisticated could prioritise according
1266 static int set_cert_cb(SSL *ssl, void *arg)
1269 SSL_EXCERT *exc = arg;
1270 #ifdef CERT_CB_TEST_RETRY
1271 static int retry_cnt;
1275 fprintf(stderr, "Certificate callback retry test: count %d\n",
1280 SSL_certs_clear(ssl);
1285 /* Go to end of list and traverse backwards since we prepend
1286 * newer entries this retains the original order.
1296 rv = SSL_check_chain(ssl, exc->cert, exc->key, exc->chain);
1297 BIO_printf(bio_err, "Checking cert chain %d:\nSubject: ", i);
1298 X509_NAME_print_ex(bio_err, X509_get_subject_name(exc->cert), 0,
1300 BIO_puts(bio_err, "\n");
1302 print_chain_flags(bio_err, rv);
1303 if (rv & CERT_PKEY_VALID)
1305 SSL_use_certificate(ssl, exc->cert);
1306 SSL_use_PrivateKey(ssl, exc->key);
1307 /* NB: we wouldn't normally do this as it is
1308 * not efficient building chains on each connection
1309 * better to cache the chain in advance.
1311 if (exc->build_chain)
1313 if (!SSL_build_cert_chain(ssl, 0))
1316 else if (exc->chain)
1317 SSL_set1_chain(ssl, exc->chain);
1324 void ssl_ctx_set_excert(SSL_CTX *ctx, SSL_EXCERT *exc)
1326 SSL_CTX_set_cert_cb(ctx, set_cert_cb, exc);
1329 static int ssl_excert_prepend(SSL_EXCERT **pexc)
1332 exc = OPENSSL_malloc(sizeof(SSL_EXCERT));
1335 exc->certfile = NULL;
1336 exc->keyfile = NULL;
1337 exc->chainfile = NULL;
1342 exc->build_chain = 0;
1349 exc->certform = exc->next->certform;
1350 exc->keyform = exc->next->keyform;
1351 exc->next->prev = exc;
1355 exc->certform = FORMAT_PEM;
1356 exc->keyform = FORMAT_PEM;
1362 void ssl_excert_free(SSL_EXCERT *exc)
1368 X509_free(exc->cert);
1370 EVP_PKEY_free(exc->key);
1372 sk_X509_pop_free(exc->chain, X509_free);
1379 int load_excert(SSL_EXCERT **pexc, BIO *err)
1381 SSL_EXCERT *exc = *pexc;
1384 /* If nothing in list, free and set to NULL */
1385 if (!exc->certfile && !exc->next)
1387 ssl_excert_free(exc);
1391 for(; exc; exc=exc->next)
1395 BIO_printf(err, "Missing filename\n");
1398 exc->cert = load_cert(err, exc->certfile, exc->certform,
1399 NULL, NULL, "Server Certificate");
1403 exc->keyfile = exc->certfile;
1404 exc->key = load_key(err, exc->certfile, exc->certform, 0,
1405 NULL, NULL, "Server Certificate");
1410 exc->chain = load_certs(err,
1411 exc->chainfile, FORMAT_PEM,
1414 if (!exc->chainfile)
1422 int args_excert(char ***pargs, int *pargc,
1423 int *badarg, BIO *err, SSL_EXCERT **pexc)
1425 char *arg = **pargs, *argn = (*pargs)[1];
1426 SSL_EXCERT *exc = *pexc;
1430 if (ssl_excert_prepend(&exc))
1434 BIO_printf(err, "Error initialising xcert\n");
1439 if (strcmp(arg, "-xcert") == 0)
1446 if (exc->certfile && !ssl_excert_prepend(&exc))
1448 BIO_printf(err, "Error adding xcert\n");
1452 exc->certfile = argn;
1454 else if (strcmp(arg,"-xkey") == 0)
1463 BIO_printf(err, "Key already specified\n");
1467 exc->keyfile = argn;
1469 else if (strcmp(arg,"-xchain") == 0)
1478 BIO_printf(err, "Chain already specified\n");
1482 exc->chainfile = argn;
1484 else if (strcmp(arg,"-xchain_build") == 0)
1487 exc->build_chain = 1;
1489 else if (strcmp(arg,"-xcertform") == 0)
1496 exc->certform = str2fmt(argn);
1498 else if (strcmp(arg,"-xkeyform") == 0)
1505 exc->keyform = str2fmt(argn);
1520 ERR_print_errors(err);
1521 ssl_excert_free(exc);
1526 static void print_raw_cipherlist(BIO *bio, SSL *s)
1528 const unsigned char *rlist;
1529 static const unsigned char scsv_id[] = {0, 0, 0xFF};
1530 size_t i, rlistlen, num;
1531 if (!SSL_is_server(s))
1533 num = SSL_get0_raw_cipherlist(s, NULL);
1534 rlistlen = SSL_get0_raw_cipherlist(s, &rlist);
1535 BIO_puts(bio, "Client cipher list: ");
1536 for (i = 0; i < rlistlen; i += num, rlist += num)
1538 const SSL_CIPHER *c = SSL_CIPHER_find(s, rlist);
1542 BIO_puts(bio, SSL_CIPHER_get_name(c));
1543 else if (!memcmp(rlist, scsv_id - num + 3, num))
1544 BIO_puts(bio, "SCSV");
1548 BIO_puts(bio, "0x");
1549 for (j = 0; j < num; j++)
1550 BIO_printf(bio, "%02X", rlist[j]);
1553 BIO_puts(bio, "\n");
1557 void print_ssl_summary(BIO *bio, SSL *s)
1559 const SSL_CIPHER *c;
1561 /*const char *pnam = SSL_is_server(s) ? "client" : "server";*/
1562 BIO_printf(bio, "Protocol version: %s\n", SSL_get_version(s));
1563 print_raw_cipherlist(bio, s);
1564 c = SSL_get_current_cipher(s);
1565 BIO_printf(bio,"Ciphersuite: %s\n", SSL_CIPHER_get_name(c));
1566 do_print_sigalgs(bio, s, 0);
1567 peer = SSL_get_peer_certificate(s);
1571 BIO_puts(bio, "Peer certificate: ");
1572 X509_NAME_print_ex(bio, X509_get_subject_name(peer),
1573 0, XN_FLAG_ONELINE);
1574 BIO_puts(bio, "\n");
1575 if (SSL_get_peer_signature_nid(s, &nid))
1576 BIO_printf(bio, "Hash used: %s\n", OBJ_nid2sn(nid));
1579 BIO_puts(bio, "No peer certificate\n");
1582 #ifndef OPENSSL_NO_EC
1583 ssl_print_point_formats(bio, s);
1584 if (SSL_is_server(s))
1585 ssl_print_curves(bio, s, 1);
1587 ssl_print_tmp_key(bio, s);
1589 if (!SSL_is_server(s))
1590 ssl_print_tmp_key(bio, s);
1594 int args_ssl(char ***pargs, int *pargc, SSL_CONF_CTX *cctx,
1595 int *badarg, BIO *err, STACK_OF(OPENSSL_STRING) **pstr)
1597 char *arg = **pargs, *argn = (*pargs)[1];
1600 /* Attempt to run SSL configuration command */
1601 rv = SSL_CONF_cmd_argv(cctx, pargc, pargs);
1602 /* If parameter not recognised just return */
1605 /* see if missing argument error */
1608 BIO_printf(err, "%s needs an argument\n", arg);
1612 /* Check for some other error */
1615 BIO_printf(err, "Error with command: \"%s %s\"\n",
1616 arg, argn ? argn : "");
1620 /* Store command and argument */
1621 /* If only one argument processed store value as NULL */
1625 *pstr = sk_OPENSSL_STRING_new_null();
1626 if (!*pstr || !sk_OPENSSL_STRING_push(*pstr, arg) ||
1627 !sk_OPENSSL_STRING_push(*pstr, argn))
1629 BIO_puts(err, "Memory allocation failure\n");
1635 ERR_print_errors(err);
1640 int args_ssl_call(SSL_CTX *ctx, BIO *err, SSL_CONF_CTX *cctx,
1641 STACK_OF(OPENSSL_STRING) *str, int no_ecdhe, int no_jpake)
1644 SSL_CONF_CTX_set_ssl_ctx(cctx, ctx);
1645 for (i = 0; i < sk_OPENSSL_STRING_num(str); i+= 2)
1647 const char *param = sk_OPENSSL_STRING_value(str, i);
1648 const char *value = sk_OPENSSL_STRING_value(str, i + 1);
1649 /* If no_ecdhe or named curve already specified don't need
1652 if (!no_ecdhe && !strcmp(param, "-named_curve"))
1654 #ifndef OPENSSL_NO_JPAKE
1655 if (!no_jpake && !strcmp(param, "-cipher"))
1657 BIO_puts(err, "JPAKE sets cipher to PSK\n");
1661 if (SSL_CONF_cmd(cctx, param, value) <= 0)
1663 BIO_printf(err, "Error with command: \"%s %s\"\n",
1664 param, value ? value : "");
1665 ERR_print_errors(err);
1669 /* This is a special case to keep existing s_server functionality:
1670 * if we don't have any curve specified *and* we haven't disabled
1671 * ECDHE then use P-256.
1675 if (SSL_CONF_cmd(cctx, "-named_curve", "P-256") <= 0)
1677 BIO_puts(err, "Error setting EC curve\n");
1678 ERR_print_errors(err);
1682 #ifndef OPENSSL_NO_JPAKE
1685 if (SSL_CONF_cmd(cctx, "-cipher", "PSK") <= 0)
1687 BIO_puts(err, "Error setting cipher to PSK\n");
1688 ERR_print_errors(err);
1693 if (!SSL_CONF_CTX_finish(cctx))
1695 BIO_puts(err, "Error finishing context\n");
1696 ERR_print_errors(err);
1702 static int add_crls_store(X509_STORE *st, STACK_OF(X509_CRL) *crls)
1706 for (i = 0; i < sk_X509_CRL_num(crls); i++)
1708 crl = sk_X509_CRL_value(crls, i);
1709 X509_STORE_add_crl(st, crl);
1714 int ssl_ctx_add_crls(SSL_CTX *ctx, STACK_OF(X509_CRL) *crls, int crl_download)
1717 st = SSL_CTX_get_cert_store(ctx);
1718 add_crls_store(st, crls);
1720 store_setup_crl_download(st);
1724 int ssl_load_stores(SSL_CTX *ctx,
1725 const char *vfyCApath, const char *vfyCAfile,
1726 const char *chCApath, const char *chCAfile,
1727 STACK_OF(X509_CRL) *crls, int crl_download)
1729 X509_STORE *vfy = NULL, *ch = NULL;
1731 if (vfyCApath || vfyCAfile)
1733 vfy = X509_STORE_new();
1734 if (!X509_STORE_load_locations(vfy, vfyCAfile, vfyCApath))
1736 add_crls_store(vfy, crls);
1737 SSL_CTX_set1_verify_cert_store(ctx, vfy);
1739 store_setup_crl_download(vfy);
1741 if (chCApath || chCAfile)
1743 ch = X509_STORE_new();
1744 if (!X509_STORE_load_locations(ch, chCAfile, chCApath))
1746 SSL_CTX_set1_chain_cert_store(ctx, ch);
1751 X509_STORE_free(vfy);
1753 X509_STORE_free(ch);