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:
193 policies_print(bio_err, ctx);
196 if (err == X509_V_OK && ok == 2 && !verify_quiet)
197 policies_print(bio_err, ctx);
198 if (ok && !verify_quiet)
199 BIO_printf(bio_err,"verify return:%d\n",ok);
203 int set_cert_stuff(SSL_CTX *ctx, char *cert_file, char *key_file)
205 if (cert_file != NULL)
212 if (SSL_CTX_use_certificate_file(ctx,cert_file,
213 SSL_FILETYPE_PEM) <= 0)
215 BIO_printf(bio_err,"unable to get certificate from '%s'\n",cert_file);
216 ERR_print_errors(bio_err);
219 if (key_file == NULL) key_file=cert_file;
220 if (SSL_CTX_use_PrivateKey_file(ctx,key_file,
221 SSL_FILETYPE_PEM) <= 0)
223 BIO_printf(bio_err,"unable to get private key from '%s'\n",key_file);
224 ERR_print_errors(bio_err);
229 In theory this is no longer needed
231 x509=SSL_get_certificate(ssl);
235 pktmp = X509_get_pubkey(x509);
236 EVP_PKEY_copy_parameters(pktmp,
237 SSL_get_privatekey(ssl));
238 EVP_PKEY_free(pktmp);
243 /* If we are using DSA, we can copy the parameters from
247 /* Now we know that a key and cert have been set against
249 if (!SSL_CTX_check_private_key(ctx))
251 BIO_printf(bio_err,"Private key does not match the certificate public key\n");
258 int set_cert_key_stuff(SSL_CTX *ctx, X509 *cert, EVP_PKEY *key,
259 STACK_OF(X509) *chain, int build_chain)
263 if (SSL_CTX_use_certificate(ctx,cert) <= 0)
265 BIO_printf(bio_err,"error setting certificate\n");
266 ERR_print_errors(bio_err);
270 if (SSL_CTX_use_PrivateKey(ctx,key) <= 0)
272 BIO_printf(bio_err,"error setting private key\n");
273 ERR_print_errors(bio_err);
277 /* Now we know that a key and cert have been set against
279 if (!SSL_CTX_check_private_key(ctx))
281 BIO_printf(bio_err,"Private key does not match the certificate public key\n");
284 if (chain && !SSL_CTX_set1_chain(ctx, chain))
286 BIO_printf(bio_err,"error setting certificate chain\n");
287 ERR_print_errors(bio_err);
290 if (!chain && build_chain && !SSL_CTX_build_cert_chain(ctx, 0))
292 BIO_printf(bio_err,"error building certificate chain\n");
293 ERR_print_errors(bio_err);
299 static void ssl_print_client_cert_types(BIO *bio, SSL *s)
301 const unsigned char *p;
303 int cert_type_num = SSL_get0_certificate_types(s, &p);
306 BIO_puts(bio, "Client Certificate Types: ");
307 for (i = 0; i < cert_type_num; i++)
309 unsigned char cert_type = p[i];
313 case TLS_CT_RSA_SIGN:
317 case TLS_CT_DSS_SIGN:
321 case TLS_CT_RSA_FIXED_DH:
322 cname = "RSA fixed DH";
325 case TLS_CT_DSS_FIXED_DH:
326 cname = "DSS fixed DH";
329 case TLS_CT_ECDSA_SIGN:
330 cname = "ECDSA sign";
333 case TLS_CT_RSA_FIXED_ECDH:
334 cname = "RSA fixed ECDH";
337 case TLS_CT_ECDSA_FIXED_ECDH:
338 cname = "ECDSA fixed ECDH";
341 case TLS_CT_GOST94_SIGN:
342 cname = "GOST94 Sign";
345 case TLS_CT_GOST01_SIGN:
346 cname = "GOST01 Sign";
357 BIO_puts(bio, cname);
359 BIO_printf(bio, "UNKNOWN (%d),", cert_type);
364 static int do_print_sigalgs(BIO *out, SSL *s, int shared)
367 client = SSL_is_server(s) ? 0 : 1;
369 nsig = SSL_get_shared_sigalgs(s, -1, NULL, NULL, NULL,
372 nsig = SSL_get_sigalgs(s, -1, NULL, NULL, NULL, NULL, NULL);
377 BIO_puts(out, "Shared ");
380 BIO_puts(out, "Requested ");
381 BIO_puts(out, "Signature Algorithms: ");
382 for (i = 0; i < nsig; i++)
384 int hash_nid, sign_nid;
385 unsigned char rhash, rsign;
386 const char *sstr = NULL;
388 SSL_get_shared_sigalgs(s, i, &sign_nid, &hash_nid, NULL,
391 SSL_get_sigalgs(s, i, &sign_nid, &hash_nid, NULL,
395 if (sign_nid == EVP_PKEY_RSA)
397 else if(sign_nid == EVP_PKEY_DSA)
399 else if(sign_nid == EVP_PKEY_EC)
402 BIO_printf(out,"%s+", sstr);
404 BIO_printf(out,"0x%02X+", (int)rsign);
405 if (hash_nid != NID_undef)
406 BIO_printf(out, "%s", OBJ_nid2sn(hash_nid));
408 BIO_printf(out,"0x%02X", (int)rhash);
414 int ssl_print_sigalgs(BIO *out, SSL *s)
417 if (!SSL_is_server(s))
418 ssl_print_client_cert_types(out, s);
419 do_print_sigalgs(out, s, 0);
420 do_print_sigalgs(out, s, 1);
421 if (SSL_get_peer_signature_nid(s, &mdnid))
422 BIO_printf(out, "Peer signing digest: %s\n", OBJ_nid2sn(mdnid));
426 int ssl_print_point_formats(BIO *out, SSL *s)
429 const char *pformats;
430 nformats = SSL_get0_ec_point_formats(s, &pformats);
433 BIO_puts(out, "Supported Elliptic Curve Point Formats: ");
434 for (i = 0; i < nformats; i++, pformats++)
440 case TLSEXT_ECPOINTFORMAT_uncompressed:
441 BIO_puts(out, "uncompressed");
444 case TLSEXT_ECPOINTFORMAT_ansiX962_compressed_prime:
445 BIO_puts(out, "ansiX962_compressed_prime");
448 case TLSEXT_ECPOINTFORMAT_ansiX962_compressed_char2:
449 BIO_puts(out, "ansiX962_compressed_char2");
453 BIO_printf(out, "unknown(%d)", (int)*pformats);
459 BIO_puts(out, "NONE");
464 int ssl_print_curves(BIO *out, SSL *s, int noshared)
466 int i, ncurves, *curves, nid;
468 ncurves = SSL_get1_curves(s, NULL);
471 curves = OPENSSL_malloc(ncurves * sizeof(int));
472 SSL_get1_curves(s, curves);
474 BIO_puts(out, "Supported Elliptic Curves: ");
475 for (i = 0; i < ncurves; i++)
480 /* If unrecognised print out hex version */
481 if (nid & TLSEXT_nid_unknown)
482 BIO_printf(out, "0x%04X", nid & 0xFFFF);
485 /* Use NIST name for curve if it exists */
486 cname = EC_curve_nid2nist(nid);
488 cname = OBJ_nid2sn(nid);
489 BIO_printf(out, "%s", cname);
493 BIO_puts(out, "NONE");
494 OPENSSL_free(curves);
500 BIO_puts(out, "\nShared Elliptic curves: ");
501 ncurves = SSL_get_shared_curve(s, -1);
502 for (i = 0; i < ncurves; i++)
506 nid = SSL_get_shared_curve(s, i);
507 cname = EC_curve_nid2nist(nid);
509 cname = OBJ_nid2sn(nid);
510 BIO_printf(out, "%s", cname);
513 BIO_puts(out, "NONE");
518 int ssl_print_tmp_key(BIO *out, SSL *s)
521 if (!SSL_get_server_tmp_key(s, &key))
523 BIO_puts(out, "Server Temp Key: ");
524 switch (EVP_PKEY_id(key))
527 BIO_printf(out, "RSA, %d bits\n", EVP_PKEY_bits(key));
531 BIO_printf(out, "DH, %d bits\n", EVP_PKEY_bits(key));
536 EC_KEY *ec = EVP_PKEY_get1_EC_KEY(key);
539 nid = EC_GROUP_get_curve_name(EC_KEY_get0_group(ec));
541 cname = EC_curve_nid2nist(nid);
543 cname = OBJ_nid2sn(nid);
544 BIO_printf(out, "ECDH, %s, %d bits\n",
545 cname, EVP_PKEY_bits(key));
553 long MS_CALLBACK bio_dump_callback(BIO *bio, int cmd, const char *argp,
554 int argi, long argl, long ret)
558 out=(BIO *)BIO_get_callback_arg(bio);
559 if (out == NULL) return(ret);
561 if (cmd == (BIO_CB_READ|BIO_CB_RETURN))
563 BIO_printf(out,"read from %p [%p] (%lu bytes => %ld (0x%lX))\n",
564 (void *)bio,argp,(unsigned long)argi,ret,ret);
565 BIO_dump(out,argp,(int)ret);
568 else if (cmd == (BIO_CB_WRITE|BIO_CB_RETURN))
570 BIO_printf(out,"write to %p [%p] (%lu bytes => %ld (0x%lX))\n",
571 (void *)bio,argp,(unsigned long)argi,ret,ret);
572 BIO_dump(out,argp,(int)ret);
577 void MS_CALLBACK apps_ssl_info_callback(const SSL *s, int where, int ret)
582 w=where& ~SSL_ST_MASK;
584 if (w & SSL_ST_CONNECT) str="SSL_connect";
585 else if (w & SSL_ST_ACCEPT) str="SSL_accept";
586 else str="undefined";
588 if (where & SSL_CB_LOOP)
590 BIO_printf(bio_err,"%s:%s\n",str,SSL_state_string_long(s));
592 else if (where & SSL_CB_ALERT)
594 str=(where & SSL_CB_READ)?"read":"write";
595 BIO_printf(bio_err,"SSL3 alert %s:%s:%s\n",
597 SSL_alert_type_string_long(ret),
598 SSL_alert_desc_string_long(ret));
600 else if (where & SSL_CB_EXIT)
603 BIO_printf(bio_err,"%s:failed in %s\n",
604 str,SSL_state_string_long(s));
607 BIO_printf(bio_err,"%s:error in %s\n",
608 str,SSL_state_string_long(s));
614 void MS_CALLBACK msg_cb(int write_p, int version, int content_type, const void *buf, size_t len, SSL *ssl, void *arg)
617 const char *str_write_p, *str_version, *str_content_type = "", *str_details1 = "", *str_details2= "";
619 str_write_p = write_p ? ">>>" : "<<<";
624 str_version = "SSL 2.0";
627 str_version = "SSL 3.0 ";
630 str_version = "TLS 1.0 ";
633 str_version = "TLS 1.1 ";
636 str_version = "TLS 1.2 ";
639 str_version = "DTLS 1.0 ";
642 str_version = "DTLS 1.0 (bad) ";
648 if (version == SSL2_VERSION)
650 str_details1 = "???";
654 switch (((const unsigned char*)buf)[0])
657 str_details1 = ", ERROR:";
658 str_details2 = " ???";
661 unsigned err = (((const unsigned char*)buf)[1]<<8) + ((const unsigned char*)buf)[2];
666 str_details2 = " NO-CIPHER-ERROR";
669 str_details2 = " NO-CERTIFICATE-ERROR";
672 str_details2 = " BAD-CERTIFICATE-ERROR";
675 str_details2 = " UNSUPPORTED-CERTIFICATE-TYPE-ERROR";
682 str_details1 = ", CLIENT-HELLO";
685 str_details1 = ", CLIENT-MASTER-KEY";
688 str_details1 = ", CLIENT-FINISHED";
691 str_details1 = ", SERVER-HELLO";
694 str_details1 = ", SERVER-VERIFY";
697 str_details1 = ", SERVER-FINISHED";
700 str_details1 = ", REQUEST-CERTIFICATE";
703 str_details1 = ", CLIENT-CERTIFICATE";
709 if (version == SSL3_VERSION ||
710 version == TLS1_VERSION ||
711 version == TLS1_1_VERSION ||
712 version == TLS1_2_VERSION ||
713 version == DTLS1_VERSION ||
714 version == DTLS1_BAD_VER)
716 switch (content_type)
719 str_content_type = "ChangeCipherSpec";
722 str_content_type = "Alert";
725 str_content_type = "Handshake";
729 if (content_type == 21) /* Alert */
731 str_details1 = ", ???";
735 switch (((const unsigned char*)buf)[0])
738 str_details1 = ", warning";
741 str_details1 = ", fatal";
745 str_details2 = " ???";
746 switch (((const unsigned char*)buf)[1])
749 str_details2 = " close_notify";
752 str_details2 = " unexpected_message";
755 str_details2 = " bad_record_mac";
758 str_details2 = " decryption_failed";
761 str_details2 = " record_overflow";
764 str_details2 = " decompression_failure";
767 str_details2 = " handshake_failure";
770 str_details2 = " bad_certificate";
773 str_details2 = " unsupported_certificate";
776 str_details2 = " certificate_revoked";
779 str_details2 = " certificate_expired";
782 str_details2 = " certificate_unknown";
785 str_details2 = " illegal_parameter";
788 str_details2 = " unknown_ca";
791 str_details2 = " access_denied";
794 str_details2 = " decode_error";
797 str_details2 = " decrypt_error";
800 str_details2 = " export_restriction";
803 str_details2 = " protocol_version";
806 str_details2 = " insufficient_security";
809 str_details2 = " internal_error";
812 str_details2 = " user_canceled";
815 str_details2 = " no_renegotiation";
818 str_details2 = " unsupported_extension";
821 str_details2 = " certificate_unobtainable";
824 str_details2 = " unrecognized_name";
827 str_details2 = " bad_certificate_status_response";
830 str_details2 = " bad_certificate_hash_value";
833 str_details2 = " unknown_psk_identity";
839 if (content_type == 22) /* Handshake */
841 str_details1 = "???";
845 switch (((const unsigned char*)buf)[0])
848 str_details1 = ", HelloRequest";
851 str_details1 = ", ClientHello";
854 str_details1 = ", ServerHello";
857 str_details1 = ", HelloVerifyRequest";
860 str_details1 = ", Certificate";
863 str_details1 = ", ServerKeyExchange";
866 str_details1 = ", CertificateRequest";
869 str_details1 = ", ServerHelloDone";
872 str_details1 = ", CertificateVerify";
875 str_details1 = ", ClientKeyExchange";
878 str_details1 = ", Finished";
884 #ifndef OPENSSL_NO_HEARTBEATS
885 if (content_type == 24) /* Heartbeat */
887 str_details1 = ", Heartbeat";
891 switch (((const unsigned char*)buf)[0])
894 str_details1 = ", HeartbeatRequest";
897 str_details1 = ", HeartbeatResponse";
905 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);
911 BIO_printf(bio, " ");
917 for (i = 0; i < num; i++)
919 if (i % 16 == 0 && i > 0)
920 BIO_printf(bio, "\n ");
921 BIO_printf(bio, " %02x", ((const unsigned char*)buf)[i]);
924 BIO_printf(bio, " ...");
925 BIO_printf(bio, "\n");
927 (void)BIO_flush(bio);
930 void MS_CALLBACK tlsext_cb(SSL *s, int client_server, int type,
931 unsigned char *data, int len,
939 case TLSEXT_TYPE_server_name:
940 extname = "server name";
943 case TLSEXT_TYPE_max_fragment_length:
944 extname = "max fragment length";
947 case TLSEXT_TYPE_client_certificate_url:
948 extname = "client certificate URL";
951 case TLSEXT_TYPE_trusted_ca_keys:
952 extname = "trusted CA keys";
955 case TLSEXT_TYPE_truncated_hmac:
956 extname = "truncated HMAC";
959 case TLSEXT_TYPE_status_request:
960 extname = "status request";
963 case TLSEXT_TYPE_user_mapping:
964 extname = "user mapping";
967 case TLSEXT_TYPE_client_authz:
968 extname = "client authz";
971 case TLSEXT_TYPE_server_authz:
972 extname = "server authz";
975 case TLSEXT_TYPE_cert_type:
976 extname = "cert type";
979 case TLSEXT_TYPE_elliptic_curves:
980 extname = "elliptic curves";
983 case TLSEXT_TYPE_ec_point_formats:
984 extname = "EC point formats";
987 case TLSEXT_TYPE_srp:
991 case TLSEXT_TYPE_signature_algorithms:
992 extname = "signature algorithms";
995 case TLSEXT_TYPE_use_srtp:
996 extname = "use SRTP";
999 case TLSEXT_TYPE_heartbeat:
1000 extname = "heartbeat";
1003 case TLSEXT_TYPE_session_ticket:
1004 extname = "session ticket";
1007 case TLSEXT_TYPE_renegotiate:
1008 extname = "renegotiation info";
1011 #ifdef TLSEXT_TYPE_opaque_prf_input
1012 case TLSEXT_TYPE_opaque_prf_input:
1013 extname = "opaque PRF input";
1016 #ifdef TLSEXT_TYPE_next_proto_neg
1017 case TLSEXT_TYPE_next_proto_neg:
1018 extname = "next protocol";
1023 extname = "unknown";
1028 BIO_printf(bio, "TLS %s extension \"%s\" (id=%d), len=%d\n",
1029 client_server ? "server": "client",
1030 extname, type, len);
1031 BIO_dump(bio, (char *)data, len);
1032 (void)BIO_flush(bio);
1035 int MS_CALLBACK generate_cookie_callback(SSL *ssl, unsigned char *cookie, unsigned int *cookie_len)
1037 unsigned char *buffer, result[EVP_MAX_MD_SIZE];
1038 unsigned int length, resultlength;
1041 struct sockaddr_in s4;
1042 #if OPENSSL_USE_IPV6
1043 struct sockaddr_in6 s6;
1047 /* Initialize a random secret */
1048 if (!cookie_initialized)
1050 if (!RAND_bytes(cookie_secret, COOKIE_SECRET_LENGTH))
1052 BIO_printf(bio_err,"error setting random cookie secret\n");
1055 cookie_initialized = 1;
1058 /* Read peer information */
1059 (void)BIO_dgram_get_peer(SSL_get_rbio(ssl), &peer);
1061 /* Create buffer with peer's address and port */
1063 switch (peer.sa.sa_family)
1066 length += sizeof(struct in_addr);
1067 length += sizeof(peer.s4.sin_port);
1069 #if OPENSSL_USE_IPV6
1071 length += sizeof(struct in6_addr);
1072 length += sizeof(peer.s6.sin6_port);
1079 buffer = OPENSSL_malloc(length);
1083 BIO_printf(bio_err,"out of memory\n");
1087 switch (peer.sa.sa_family)
1092 sizeof(peer.s4.sin_port));
1093 memcpy(buffer + sizeof(peer.s4.sin_port),
1095 sizeof(struct in_addr));
1097 #if OPENSSL_USE_IPV6
1101 sizeof(peer.s6.sin6_port));
1102 memcpy(buffer + sizeof(peer.s6.sin6_port),
1104 sizeof(struct in6_addr));
1112 /* Calculate HMAC of buffer using the secret */
1113 HMAC(EVP_sha1(), cookie_secret, COOKIE_SECRET_LENGTH,
1114 buffer, length, result, &resultlength);
1115 OPENSSL_free(buffer);
1117 memcpy(cookie, result, resultlength);
1118 *cookie_len = resultlength;
1123 int MS_CALLBACK verify_cookie_callback(SSL *ssl, unsigned char *cookie, unsigned int cookie_len)
1125 unsigned char *buffer, result[EVP_MAX_MD_SIZE];
1126 unsigned int length, resultlength;
1129 struct sockaddr_in s4;
1130 #if OPENSSL_USE_IPV6
1131 struct sockaddr_in6 s6;
1135 /* If secret isn't initialized yet, the cookie can't be valid */
1136 if (!cookie_initialized)
1139 /* Read peer information */
1140 (void)BIO_dgram_get_peer(SSL_get_rbio(ssl), &peer);
1142 /* Create buffer with peer's address and port */
1144 switch (peer.sa.sa_family)
1147 length += sizeof(struct in_addr);
1148 length += sizeof(peer.s4.sin_port);
1150 #if OPENSSL_USE_IPV6
1152 length += sizeof(struct in6_addr);
1153 length += sizeof(peer.s6.sin6_port);
1160 buffer = OPENSSL_malloc(length);
1164 BIO_printf(bio_err,"out of memory\n");
1168 switch (peer.sa.sa_family)
1173 sizeof(peer.s4.sin_port));
1174 memcpy(buffer + sizeof(peer.s4.sin_port),
1176 sizeof(struct in_addr));
1178 #if OPENSSL_USE_IPV6
1182 sizeof(peer.s6.sin6_port));
1183 memcpy(buffer + sizeof(peer.s6.sin6_port),
1185 sizeof(struct in6_addr));
1193 /* Calculate HMAC of buffer using the secret */
1194 HMAC(EVP_sha1(), cookie_secret, COOKIE_SECRET_LENGTH,
1195 buffer, length, result, &resultlength);
1196 OPENSSL_free(buffer);
1198 if (cookie_len == resultlength && memcmp(result, cookie, resultlength) == 0)
1204 /* Example of extended certificate handling. Where the standard support
1205 * of one certificate per algorithm is not sufficient an application
1206 * can decide which certificate(s) to use at runtime based on whatever
1207 * criteria it deems appropriate.
1210 /* Linked list of certificates, keys and chains */
1211 struct ssl_excert_st
1214 const char *certfile;
1216 const char *keyfile;
1217 const char *chainfile;
1220 STACK_OF(X509) *chain;
1222 struct ssl_excert_st *next, *prev;
1231 struct chain_flags chain_flags_list[] =
1233 {CERT_PKEY_VALID, "Overall Validity"},
1234 {CERT_PKEY_SIGN, "Sign with EE key"},
1235 {CERT_PKEY_EE_SIGNATURE, "EE signature"},
1236 {CERT_PKEY_CA_SIGNATURE, "CA signature"},
1237 {CERT_PKEY_EE_PARAM, "EE key parameters"},
1238 {CERT_PKEY_CA_PARAM, "CA key parameters"},
1239 {CERT_PKEY_EXPLICIT_SIGN, "Explicity sign with EE key"},
1240 {CERT_PKEY_ISSUER_NAME, "Issuer Name"},
1241 {CERT_PKEY_CERT_TYPE, "Certificate Type"},
1246 static void print_chain_flags(BIO *out, int flags)
1248 struct chain_flags *ctmp = chain_flags_list;
1251 BIO_printf(out, "\t%s: %s\n", ctmp->name,
1252 flags & ctmp->flag ? "OK" : "NOT OK");
1257 /* Very basic selection callback: just use any certificate chain
1258 * reported as valid. More sophisticated could prioritise according
1261 static int set_cert_cb(SSL *ssl, void *arg)
1264 SSL_EXCERT *exc = arg;
1265 SSL_certs_clear(ssl);
1270 /* Go to end of list and traverse backwards since we prepend
1271 * newer entries this retains the original order.
1281 rv = SSL_check_chain(ssl, exc->cert, exc->key, exc->chain);
1282 BIO_printf(bio_err, "Checking cert chain %d:\nSubject: ", i);
1283 X509_NAME_print_ex(bio_err, X509_get_subject_name(exc->cert), 0,
1285 BIO_puts(bio_err, "\n");
1287 print_chain_flags(bio_err, rv);
1288 if (rv & CERT_PKEY_VALID)
1290 SSL_use_certificate(ssl, exc->cert);
1291 SSL_use_PrivateKey(ssl, exc->key);
1292 /* NB: we wouldn't normally do this as it is
1293 * not efficient building chains on each connection
1294 * better to cache the chain in advance.
1296 if (exc->build_chain)
1298 if (!SSL_build_cert_chain(ssl, 0))
1301 else if (exc->chain)
1302 SSL_set1_chain(ssl, exc->chain);
1309 void ssl_ctx_set_excert(SSL_CTX *ctx, SSL_EXCERT *exc)
1311 SSL_CTX_set_cert_cb(ctx, set_cert_cb, exc);
1314 static int ssl_excert_prepend(SSL_EXCERT **pexc)
1317 exc = OPENSSL_malloc(sizeof(SSL_EXCERT));
1320 exc->certfile = NULL;
1321 exc->keyfile = NULL;
1322 exc->chainfile = NULL;
1327 exc->build_chain = 0;
1334 exc->certform = exc->next->certform;
1335 exc->keyform = exc->next->keyform;
1336 exc->next->prev = exc;
1340 exc->certform = FORMAT_PEM;
1341 exc->keyform = FORMAT_PEM;
1347 void ssl_excert_free(SSL_EXCERT *exc)
1353 X509_free(exc->cert);
1355 EVP_PKEY_free(exc->key);
1357 sk_X509_pop_free(exc->chain, X509_free);
1364 int load_excert(SSL_EXCERT **pexc, BIO *err)
1366 SSL_EXCERT *exc = *pexc;
1369 /* If nothing in list, free and set to NULL */
1370 if (!exc->certfile && !exc->next)
1372 ssl_excert_free(exc);
1376 for(; exc; exc=exc->next)
1380 BIO_printf(err, "Missing filename\n");
1383 exc->cert = load_cert(err, exc->certfile, exc->certform,
1384 NULL, NULL, "Server Certificate");
1388 exc->keyfile = exc->certfile;
1389 exc->key = load_key(err, exc->certfile, exc->certform, 0,
1390 NULL, NULL, "Server Certificate");
1395 exc->chain = load_certs(err,
1396 exc->chainfile, FORMAT_PEM,
1399 if (!exc->chainfile)
1407 int args_excert(char ***pargs, int *pargc,
1408 int *badarg, BIO *err, SSL_EXCERT **pexc)
1410 char *arg = **pargs, *argn = (*pargs)[1];
1411 SSL_EXCERT *exc = *pexc;
1415 if (ssl_excert_prepend(&exc))
1419 BIO_printf(err, "Error initialising xcert\n");
1424 if (strcmp(arg, "-xcert") == 0)
1431 if (exc->certfile && !ssl_excert_prepend(&exc))
1433 BIO_printf(err, "Error adding xcert\n");
1437 exc->certfile = argn;
1439 else if (strcmp(arg,"-xkey") == 0)
1448 BIO_printf(err, "Key already specified\n");
1452 exc->keyfile = argn;
1454 else if (strcmp(arg,"-xchain") == 0)
1463 BIO_printf(err, "Chain already specified\n");
1467 exc->chainfile = argn;
1469 else if (strcmp(arg,"-xchain_build") == 0)
1472 exc->build_chain = 1;
1474 else if (strcmp(arg,"-xcertform") == 0)
1481 exc->certform = str2fmt(argn);
1483 else if (strcmp(arg,"-xkeyform") == 0)
1490 exc->keyform = str2fmt(argn);
1505 ERR_print_errors(err);
1506 ssl_excert_free(exc);
1511 static void print_raw_cipherlist(BIO *bio, SSL *s)
1513 const unsigned char *rlist;
1514 static const unsigned char scsv_id[] = {0, 0, 0xFF};
1515 size_t i, rlistlen, num;
1516 if (!SSL_is_server(s))
1518 num = SSL_get0_raw_cipherlist(s, NULL);
1519 rlistlen = SSL_get0_raw_cipherlist(s, &rlist);
1520 BIO_puts(bio, "Client cipher list: ");
1521 for (i = 0; i < rlistlen; i += num, rlist += num)
1523 const SSL_CIPHER *c = SSL_CIPHER_find(s, rlist);
1527 BIO_puts(bio, SSL_CIPHER_get_name(c));
1528 else if (!memcmp(rlist, scsv_id - num + 3, num))
1529 BIO_puts(bio, "SCSV");
1533 BIO_puts(bio, "0x");
1534 for (j = 0; j < num; j++)
1535 BIO_printf(bio, "%02X", rlist[j]);
1538 BIO_puts(bio, "\n");
1542 void print_ssl_summary(BIO *bio, SSL *s)
1544 const SSL_CIPHER *c;
1546 /*const char *pnam = SSL_is_server(s) ? "client" : "server";*/
1547 BIO_printf(bio, "Protocol version: %s\n", SSL_get_version(s));
1548 print_raw_cipherlist(bio, s);
1549 c = SSL_get_current_cipher(s);
1550 BIO_printf(bio,"Ciphersuite: %s\n", SSL_CIPHER_get_name(c));
1551 do_print_sigalgs(bio, s, 0);
1552 peer = SSL_get_peer_certificate(s);
1556 BIO_puts(bio, "Peer certificate: ");
1557 X509_NAME_print_ex(bio, X509_get_subject_name(peer),
1558 0, XN_FLAG_ONELINE);
1559 BIO_puts(bio, "\n");
1560 if (SSL_get_peer_signature_nid(s, &nid))
1561 BIO_printf(bio, "Hash used: %s\n", OBJ_nid2sn(nid));
1564 BIO_puts(bio, "No peer certificate\n");
1567 ssl_print_point_formats(bio, s);
1568 if (SSL_is_server(s))
1569 ssl_print_curves(bio, s, 1);
1571 ssl_print_tmp_key(bio, s);
1574 void print_ssl_cert_checks(BIO *bio, SSL *s,
1575 const unsigned char *checkhost,
1576 const unsigned char *checkemail,
1577 const char *checkip)
1580 peer = SSL_get_peer_certificate(s);
1583 print_cert_checks(bio, peer, checkhost, checkemail, checkip);
1588 int args_ssl(char ***pargs, int *pargc, SSL_CONF_CTX *cctx,
1589 int *badarg, BIO *err, STACK_OF(OPENSSL_STRING) **pstr)
1591 char *arg = **pargs, *argn = (*pargs)[1];
1594 /* Attempt to run SSL configuration command */
1595 rv = SSL_CONF_cmd_argv(cctx, pargc, pargs);
1596 /* If parameter not recognised just return */
1599 /* see if missing argument error */
1602 BIO_printf(err, "%s needs an argument\n", arg);
1606 /* Check for some other error */
1609 BIO_printf(err, "Error with command: \"%s %s\"\n",
1610 arg, argn ? argn : "");
1614 /* Store command and argument */
1615 /* If only one argument processed store value as NULL */
1619 *pstr = sk_OPENSSL_STRING_new_null();
1620 if (!*pstr || !sk_OPENSSL_STRING_push(*pstr, arg) ||
1621 !sk_OPENSSL_STRING_push(*pstr, argn))
1623 BIO_puts(err, "Memory allocation failure\n");
1629 ERR_print_errors(err);
1634 int args_ssl_call(SSL_CTX *ctx, BIO *err, SSL_CONF_CTX *cctx,
1635 STACK_OF(OPENSSL_STRING) *str, int no_ecdhe)
1638 SSL_CONF_CTX_set_ssl_ctx(cctx, ctx);
1639 for (i = 0; i < sk_OPENSSL_STRING_num(str); i+= 2)
1641 const char *param = sk_OPENSSL_STRING_value(str, i);
1642 const char *value = sk_OPENSSL_STRING_value(str, i + 1);
1643 /* If no_ecdhe or named curve already specified don't need
1646 if (!no_ecdhe && !strcmp(param, "-named_curve"))
1648 if (SSL_CONF_cmd(cctx, param, value) <= 0)
1650 BIO_printf(err, "Error with command: \"%s %s\"\n",
1651 param, value ? value : "");
1652 ERR_print_errors(err);
1656 /* This is a special case to keep existing s_server functionality:
1657 * if we don't have any curve specified *and* we haven't disabled
1658 * ECDHE then use P-256.
1662 if (SSL_CONF_cmd(cctx, "-named_curve", "P-256") <= 0)
1664 BIO_puts(err, "Error setting EC curve\n");
1665 ERR_print_errors(err);
1672 static int add_crls_store(X509_STORE *st, STACK_OF(X509_CRL) *crls)
1678 for (i = 0; i < sk_X509_CRL_num(crls); i++)
1680 crl = sk_X509_CRL_value(crls, i);
1681 X509_STORE_add_crl(st, crl);
1687 int ssl_ctx_add_crls(SSL_CTX *ctx, STACK_OF(X509_CRL) *crls)
1692 st = SSL_CTX_get_cert_store(ctx);
1693 add_crls_store(st, crls);
1698 int ssl_load_stores(SSL_CTX *ctx,
1699 const char *vfyCApath, const char *vfyCAfile,
1700 const char *chCApath, const char *chCAfile,
1701 STACK_OF(X509_CRL) *crls)
1703 X509_STORE *vfy = NULL, *ch = NULL;
1705 if (vfyCApath || vfyCAfile)
1707 vfy = X509_STORE_new();
1708 if (!X509_STORE_load_locations(vfy, vfyCAfile, vfyCApath))
1710 add_crls_store(vfy, crls);
1711 SSL_CTX_set1_verify_cert_store(ctx, vfy);
1713 if (chCApath || chCAfile)
1715 ch = X509_STORE_new();
1716 if (!X509_STORE_load_locations(ch, chCAfile, chCApath))
1718 SSL_CTX_set1_chain_cert_store(ctx, ch);
1723 X509_STORE_free(vfy);
1725 X509_STORE_free(ch);