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)
262 int chflags = chain ? SSL_BUILD_CHAIN_FLAG_CHECK : 0;
265 if (SSL_CTX_use_certificate(ctx,cert) <= 0)
267 BIO_printf(bio_err,"error setting certificate\n");
268 ERR_print_errors(bio_err);
272 if (SSL_CTX_use_PrivateKey(ctx,key) <= 0)
274 BIO_printf(bio_err,"error setting private key\n");
275 ERR_print_errors(bio_err);
279 /* Now we know that a key and cert have been set against
281 if (!SSL_CTX_check_private_key(ctx))
283 BIO_printf(bio_err,"Private key does not match the certificate public key\n");
286 if (chain && !SSL_CTX_set1_chain(ctx, chain))
288 BIO_printf(bio_err,"error setting certificate chain\n");
289 ERR_print_errors(bio_err);
292 if (build_chain && !SSL_CTX_build_cert_chain(ctx, chflags))
294 BIO_printf(bio_err,"error building certificate chain\n");
295 ERR_print_errors(bio_err);
301 static void ssl_print_client_cert_types(BIO *bio, SSL *s)
303 const unsigned char *p;
305 int cert_type_num = SSL_get0_certificate_types(s, &p);
308 BIO_puts(bio, "Client Certificate Types: ");
309 for (i = 0; i < cert_type_num; i++)
311 unsigned char cert_type = p[i];
315 case TLS_CT_RSA_SIGN:
319 case TLS_CT_DSS_SIGN:
323 case TLS_CT_RSA_FIXED_DH:
324 cname = "RSA fixed DH";
327 case TLS_CT_DSS_FIXED_DH:
328 cname = "DSS fixed DH";
331 case TLS_CT_ECDSA_SIGN:
332 cname = "ECDSA sign";
335 case TLS_CT_RSA_FIXED_ECDH:
336 cname = "RSA fixed ECDH";
339 case TLS_CT_ECDSA_FIXED_ECDH:
340 cname = "ECDSA fixed ECDH";
343 case TLS_CT_GOST94_SIGN:
344 cname = "GOST94 Sign";
347 case TLS_CT_GOST01_SIGN:
348 cname = "GOST01 Sign";
359 BIO_puts(bio, cname);
361 BIO_printf(bio, "UNKNOWN (%d),", cert_type);
366 static int do_print_sigalgs(BIO *out, SSL *s, int shared)
369 client = SSL_is_server(s) ? 0 : 1;
371 nsig = SSL_get_shared_sigalgs(s, -1, NULL, NULL, NULL,
374 nsig = SSL_get_sigalgs(s, -1, NULL, NULL, NULL, NULL, NULL);
379 BIO_puts(out, "Shared ");
382 BIO_puts(out, "Requested ");
383 BIO_puts(out, "Signature Algorithms: ");
384 for (i = 0; i < nsig; i++)
386 int hash_nid, sign_nid;
387 unsigned char rhash, rsign;
388 const char *sstr = NULL;
390 SSL_get_shared_sigalgs(s, i, &sign_nid, &hash_nid, NULL,
393 SSL_get_sigalgs(s, i, &sign_nid, &hash_nid, NULL,
397 if (sign_nid == EVP_PKEY_RSA)
399 else if(sign_nid == EVP_PKEY_DSA)
401 else if(sign_nid == EVP_PKEY_EC)
404 BIO_printf(out,"%s+", sstr);
406 BIO_printf(out,"0x%02X+", (int)rsign);
407 if (hash_nid != NID_undef)
408 BIO_printf(out, "%s", OBJ_nid2sn(hash_nid));
410 BIO_printf(out,"0x%02X", (int)rhash);
416 int ssl_print_sigalgs(BIO *out, SSL *s)
419 if (!SSL_is_server(s))
420 ssl_print_client_cert_types(out, s);
421 do_print_sigalgs(out, s, 0);
422 do_print_sigalgs(out, s, 1);
423 if (SSL_get_peer_signature_nid(s, &mdnid))
424 BIO_printf(out, "Peer signing digest: %s\n", OBJ_nid2sn(mdnid));
427 #ifndef OPENSSL_NO_EC
428 int ssl_print_point_formats(BIO *out, SSL *s)
431 const char *pformats;
432 nformats = SSL_get0_ec_point_formats(s, &pformats);
435 BIO_puts(out, "Supported Elliptic Curve Point Formats: ");
436 for (i = 0; i < nformats; i++, pformats++)
442 case TLSEXT_ECPOINTFORMAT_uncompressed:
443 BIO_puts(out, "uncompressed");
446 case TLSEXT_ECPOINTFORMAT_ansiX962_compressed_prime:
447 BIO_puts(out, "ansiX962_compressed_prime");
450 case TLSEXT_ECPOINTFORMAT_ansiX962_compressed_char2:
451 BIO_puts(out, "ansiX962_compressed_char2");
455 BIO_printf(out, "unknown(%d)", (int)*pformats);
461 BIO_puts(out, "NONE");
466 int ssl_print_curves(BIO *out, SSL *s, int noshared)
468 int i, ncurves, *curves, nid;
470 ncurves = SSL_get1_curves(s, NULL);
473 curves = OPENSSL_malloc(ncurves * sizeof(int));
474 SSL_get1_curves(s, curves);
476 BIO_puts(out, "Supported Elliptic Curves: ");
477 for (i = 0; i < ncurves; i++)
482 /* If unrecognised print out hex version */
483 if (nid & TLSEXT_nid_unknown)
484 BIO_printf(out, "0x%04X", nid & 0xFFFF);
487 /* Use NIST name for curve if it exists */
488 cname = EC_curve_nid2nist(nid);
490 cname = OBJ_nid2sn(nid);
491 BIO_printf(out, "%s", cname);
495 BIO_puts(out, "NONE");
496 OPENSSL_free(curves);
502 BIO_puts(out, "\nShared Elliptic curves: ");
503 ncurves = SSL_get_shared_curve(s, -1);
504 for (i = 0; i < ncurves; i++)
508 nid = SSL_get_shared_curve(s, i);
509 cname = EC_curve_nid2nist(nid);
511 cname = OBJ_nid2sn(nid);
512 BIO_printf(out, "%s", cname);
515 BIO_puts(out, "NONE");
520 int ssl_print_tmp_key(BIO *out, SSL *s)
523 if (!SSL_get_server_tmp_key(s, &key))
525 BIO_puts(out, "Server Temp Key: ");
526 switch (EVP_PKEY_id(key))
529 BIO_printf(out, "RSA, %d bits\n", EVP_PKEY_bits(key));
533 BIO_printf(out, "DH, %d bits\n", EVP_PKEY_bits(key));
535 #ifndef OPENSSL_NO_ECDH
538 EC_KEY *ec = EVP_PKEY_get1_EC_KEY(key);
541 nid = EC_GROUP_get_curve_name(EC_KEY_get0_group(ec));
543 cname = EC_curve_nid2nist(nid);
545 cname = OBJ_nid2sn(nid);
546 BIO_printf(out, "ECDH, %s, %d bits\n",
547 cname, EVP_PKEY_bits(key));
556 long MS_CALLBACK bio_dump_callback(BIO *bio, int cmd, const char *argp,
557 int argi, long argl, long ret)
561 out=(BIO *)BIO_get_callback_arg(bio);
562 if (out == NULL) return(ret);
564 if (cmd == (BIO_CB_READ|BIO_CB_RETURN))
566 BIO_printf(out,"read from %p [%p] (%lu bytes => %ld (0x%lX))\n",
567 (void *)bio,argp,(unsigned long)argi,ret,ret);
568 BIO_dump(out,argp,(int)ret);
571 else if (cmd == (BIO_CB_WRITE|BIO_CB_RETURN))
573 BIO_printf(out,"write to %p [%p] (%lu bytes => %ld (0x%lX))\n",
574 (void *)bio,argp,(unsigned long)argi,ret,ret);
575 BIO_dump(out,argp,(int)ret);
580 void MS_CALLBACK apps_ssl_info_callback(const SSL *s, int where, int ret)
585 w=where& ~SSL_ST_MASK;
587 if (w & SSL_ST_CONNECT) str="SSL_connect";
588 else if (w & SSL_ST_ACCEPT) str="SSL_accept";
589 else str="undefined";
591 if (where & SSL_CB_LOOP)
593 BIO_printf(bio_err,"%s:%s\n",str,SSL_state_string_long(s));
595 else if (where & SSL_CB_ALERT)
597 str=(where & SSL_CB_READ)?"read":"write";
598 BIO_printf(bio_err,"SSL3 alert %s:%s:%s\n",
600 SSL_alert_type_string_long(ret),
601 SSL_alert_desc_string_long(ret));
603 else if (where & SSL_CB_EXIT)
606 BIO_printf(bio_err,"%s:failed in %s\n",
607 str,SSL_state_string_long(s));
610 BIO_printf(bio_err,"%s:error in %s\n",
611 str,SSL_state_string_long(s));
617 void MS_CALLBACK msg_cb(int write_p, int version, int content_type, const void *buf, size_t len, SSL *ssl, void *arg)
620 const char *str_write_p, *str_version, *str_content_type = "", *str_details1 = "", *str_details2= "";
622 str_write_p = write_p ? ">>>" : "<<<";
627 str_version = "SSL 2.0";
630 str_version = "SSL 3.0 ";
633 str_version = "TLS 1.0 ";
636 str_version = "TLS 1.1 ";
639 str_version = "TLS 1.2 ";
642 str_version = "DTLS 1.0 ";
645 str_version = "DTLS 1.0 (bad) ";
651 if (version == SSL2_VERSION)
653 str_details1 = "???";
657 switch (((const unsigned char*)buf)[0])
660 str_details1 = ", ERROR:";
661 str_details2 = " ???";
664 unsigned err = (((const unsigned char*)buf)[1]<<8) + ((const unsigned char*)buf)[2];
669 str_details2 = " NO-CIPHER-ERROR";
672 str_details2 = " NO-CERTIFICATE-ERROR";
675 str_details2 = " BAD-CERTIFICATE-ERROR";
678 str_details2 = " UNSUPPORTED-CERTIFICATE-TYPE-ERROR";
685 str_details1 = ", CLIENT-HELLO";
688 str_details1 = ", CLIENT-MASTER-KEY";
691 str_details1 = ", CLIENT-FINISHED";
694 str_details1 = ", SERVER-HELLO";
697 str_details1 = ", SERVER-VERIFY";
700 str_details1 = ", SERVER-FINISHED";
703 str_details1 = ", REQUEST-CERTIFICATE";
706 str_details1 = ", CLIENT-CERTIFICATE";
712 if (version == SSL3_VERSION ||
713 version == TLS1_VERSION ||
714 version == TLS1_1_VERSION ||
715 version == TLS1_2_VERSION ||
716 version == DTLS1_VERSION ||
717 version == DTLS1_BAD_VER)
719 switch (content_type)
722 str_content_type = "ChangeCipherSpec";
725 str_content_type = "Alert";
728 str_content_type = "Handshake";
732 if (content_type == 21) /* Alert */
734 str_details1 = ", ???";
738 switch (((const unsigned char*)buf)[0])
741 str_details1 = ", warning";
744 str_details1 = ", fatal";
748 str_details2 = " ???";
749 switch (((const unsigned char*)buf)[1])
752 str_details2 = " close_notify";
755 str_details2 = " unexpected_message";
758 str_details2 = " bad_record_mac";
761 str_details2 = " decryption_failed";
764 str_details2 = " record_overflow";
767 str_details2 = " decompression_failure";
770 str_details2 = " handshake_failure";
773 str_details2 = " bad_certificate";
776 str_details2 = " unsupported_certificate";
779 str_details2 = " certificate_revoked";
782 str_details2 = " certificate_expired";
785 str_details2 = " certificate_unknown";
788 str_details2 = " illegal_parameter";
791 str_details2 = " unknown_ca";
794 str_details2 = " access_denied";
797 str_details2 = " decode_error";
800 str_details2 = " decrypt_error";
803 str_details2 = " export_restriction";
806 str_details2 = " protocol_version";
809 str_details2 = " insufficient_security";
812 str_details2 = " internal_error";
815 str_details2 = " user_canceled";
818 str_details2 = " no_renegotiation";
821 str_details2 = " unsupported_extension";
824 str_details2 = " certificate_unobtainable";
827 str_details2 = " unrecognized_name";
830 str_details2 = " bad_certificate_status_response";
833 str_details2 = " bad_certificate_hash_value";
836 str_details2 = " unknown_psk_identity";
842 if (content_type == 22) /* Handshake */
844 str_details1 = "???";
848 switch (((const unsigned char*)buf)[0])
851 str_details1 = ", HelloRequest";
854 str_details1 = ", ClientHello";
857 str_details1 = ", ServerHello";
860 str_details1 = ", HelloVerifyRequest";
863 str_details1 = ", Certificate";
866 str_details1 = ", ServerKeyExchange";
869 str_details1 = ", CertificateRequest";
872 str_details1 = ", ServerHelloDone";
875 str_details1 = ", CertificateVerify";
878 str_details1 = ", ClientKeyExchange";
881 str_details1 = ", Finished";
884 str_details1 = ", SupplementalData";
890 #ifndef OPENSSL_NO_HEARTBEATS
891 if (content_type == 24) /* Heartbeat */
893 str_details1 = ", Heartbeat";
897 switch (((const unsigned char*)buf)[0])
900 str_details1 = ", HeartbeatRequest";
903 str_details1 = ", HeartbeatResponse";
911 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);
917 BIO_printf(bio, " ");
923 for (i = 0; i < num; i++)
925 if (i % 16 == 0 && i > 0)
926 BIO_printf(bio, "\n ");
927 BIO_printf(bio, " %02x", ((const unsigned char*)buf)[i]);
930 BIO_printf(bio, " ...");
931 BIO_printf(bio, "\n");
933 (void)BIO_flush(bio);
936 void MS_CALLBACK tlsext_cb(SSL *s, int client_server, int type,
937 unsigned char *data, int len,
945 case TLSEXT_TYPE_server_name:
946 extname = "server name";
949 case TLSEXT_TYPE_max_fragment_length:
950 extname = "max fragment length";
953 case TLSEXT_TYPE_client_certificate_url:
954 extname = "client certificate URL";
957 case TLSEXT_TYPE_trusted_ca_keys:
958 extname = "trusted CA keys";
961 case TLSEXT_TYPE_truncated_hmac:
962 extname = "truncated HMAC";
965 case TLSEXT_TYPE_status_request:
966 extname = "status request";
969 case TLSEXT_TYPE_user_mapping:
970 extname = "user mapping";
973 case TLSEXT_TYPE_client_authz:
974 extname = "client authz";
977 case TLSEXT_TYPE_server_authz:
978 extname = "server authz";
981 case TLSEXT_TYPE_cert_type:
982 extname = "cert type";
985 case TLSEXT_TYPE_elliptic_curves:
986 extname = "elliptic curves";
989 case TLSEXT_TYPE_ec_point_formats:
990 extname = "EC point formats";
993 case TLSEXT_TYPE_srp:
997 case TLSEXT_TYPE_signature_algorithms:
998 extname = "signature algorithms";
1001 case TLSEXT_TYPE_use_srtp:
1002 extname = "use SRTP";
1005 case TLSEXT_TYPE_heartbeat:
1006 extname = "heartbeat";
1009 case TLSEXT_TYPE_session_ticket:
1010 extname = "session ticket";
1013 case TLSEXT_TYPE_renegotiate:
1014 extname = "renegotiation info";
1017 #ifdef TLSEXT_TYPE_opaque_prf_input
1018 case TLSEXT_TYPE_opaque_prf_input:
1019 extname = "opaque PRF input";
1022 #ifdef TLSEXT_TYPE_next_proto_neg
1023 case TLSEXT_TYPE_next_proto_neg:
1024 extname = "next protocol";
1028 case TLSEXT_TYPE_padding:
1029 extname = "TLS padding";
1033 extname = "unknown";
1038 BIO_printf(bio, "TLS %s extension \"%s\" (id=%d), len=%d\n",
1039 client_server ? "server": "client",
1040 extname, type, len);
1041 BIO_dump(bio, (char *)data, len);
1042 (void)BIO_flush(bio);
1045 int MS_CALLBACK generate_cookie_callback(SSL *ssl, unsigned char *cookie, unsigned int *cookie_len)
1047 unsigned char *buffer, result[EVP_MAX_MD_SIZE];
1048 unsigned int length, resultlength;
1051 struct sockaddr_in s4;
1052 #if OPENSSL_USE_IPV6
1053 struct sockaddr_in6 s6;
1057 /* Initialize a random secret */
1058 if (!cookie_initialized)
1060 if (!RAND_bytes(cookie_secret, COOKIE_SECRET_LENGTH))
1062 BIO_printf(bio_err,"error setting random cookie secret\n");
1065 cookie_initialized = 1;
1068 /* Read peer information */
1069 (void)BIO_dgram_get_peer(SSL_get_rbio(ssl), &peer);
1071 /* Create buffer with peer's address and port */
1073 switch (peer.sa.sa_family)
1076 length += sizeof(struct in_addr);
1077 length += sizeof(peer.s4.sin_port);
1079 #if OPENSSL_USE_IPV6
1081 length += sizeof(struct in6_addr);
1082 length += sizeof(peer.s6.sin6_port);
1089 buffer = OPENSSL_malloc(length);
1093 BIO_printf(bio_err,"out of memory\n");
1097 switch (peer.sa.sa_family)
1102 sizeof(peer.s4.sin_port));
1103 memcpy(buffer + sizeof(peer.s4.sin_port),
1105 sizeof(struct in_addr));
1107 #if OPENSSL_USE_IPV6
1111 sizeof(peer.s6.sin6_port));
1112 memcpy(buffer + sizeof(peer.s6.sin6_port),
1114 sizeof(struct in6_addr));
1122 /* Calculate HMAC of buffer using the secret */
1123 HMAC(EVP_sha1(), cookie_secret, COOKIE_SECRET_LENGTH,
1124 buffer, length, result, &resultlength);
1125 OPENSSL_free(buffer);
1127 memcpy(cookie, result, resultlength);
1128 *cookie_len = resultlength;
1133 int MS_CALLBACK verify_cookie_callback(SSL *ssl, unsigned char *cookie, unsigned int cookie_len)
1135 unsigned char *buffer, result[EVP_MAX_MD_SIZE];
1136 unsigned int length, resultlength;
1139 struct sockaddr_in s4;
1140 #if OPENSSL_USE_IPV6
1141 struct sockaddr_in6 s6;
1145 /* If secret isn't initialized yet, the cookie can't be valid */
1146 if (!cookie_initialized)
1149 /* Read peer information */
1150 (void)BIO_dgram_get_peer(SSL_get_rbio(ssl), &peer);
1152 /* Create buffer with peer's address and port */
1154 switch (peer.sa.sa_family)
1157 length += sizeof(struct in_addr);
1158 length += sizeof(peer.s4.sin_port);
1160 #if OPENSSL_USE_IPV6
1162 length += sizeof(struct in6_addr);
1163 length += sizeof(peer.s6.sin6_port);
1170 buffer = OPENSSL_malloc(length);
1174 BIO_printf(bio_err,"out of memory\n");
1178 switch (peer.sa.sa_family)
1183 sizeof(peer.s4.sin_port));
1184 memcpy(buffer + sizeof(peer.s4.sin_port),
1186 sizeof(struct in_addr));
1188 #if OPENSSL_USE_IPV6
1192 sizeof(peer.s6.sin6_port));
1193 memcpy(buffer + sizeof(peer.s6.sin6_port),
1195 sizeof(struct in6_addr));
1203 /* Calculate HMAC of buffer using the secret */
1204 HMAC(EVP_sha1(), cookie_secret, COOKIE_SECRET_LENGTH,
1205 buffer, length, result, &resultlength);
1206 OPENSSL_free(buffer);
1208 if (cookie_len == resultlength && memcmp(result, cookie, resultlength) == 0)
1214 /* Example of extended certificate handling. Where the standard support
1215 * of one certificate per algorithm is not sufficient an application
1216 * can decide which certificate(s) to use at runtime based on whatever
1217 * criteria it deems appropriate.
1220 /* Linked list of certificates, keys and chains */
1221 struct ssl_excert_st
1224 const char *certfile;
1226 const char *keyfile;
1227 const char *chainfile;
1230 STACK_OF(X509) *chain;
1232 struct ssl_excert_st *next, *prev;
1241 struct chain_flags chain_flags_list[] =
1243 {CERT_PKEY_VALID, "Overall Validity"},
1244 {CERT_PKEY_SIGN, "Sign with EE key"},
1245 {CERT_PKEY_EE_SIGNATURE, "EE signature"},
1246 {CERT_PKEY_CA_SIGNATURE, "CA signature"},
1247 {CERT_PKEY_EE_PARAM, "EE key parameters"},
1248 {CERT_PKEY_CA_PARAM, "CA key parameters"},
1249 {CERT_PKEY_EXPLICIT_SIGN, "Explicity sign with EE key"},
1250 {CERT_PKEY_ISSUER_NAME, "Issuer Name"},
1251 {CERT_PKEY_CERT_TYPE, "Certificate Type"},
1256 static void print_chain_flags(BIO *out, int flags)
1258 struct chain_flags *ctmp = chain_flags_list;
1261 BIO_printf(out, "\t%s: %s\n", ctmp->name,
1262 flags & ctmp->flag ? "OK" : "NOT OK");
1267 /* Very basic selection callback: just use any certificate chain
1268 * reported as valid. More sophisticated could prioritise according
1271 static int set_cert_cb(SSL *ssl, void *arg)
1274 SSL_EXCERT *exc = arg;
1275 #ifdef CERT_CB_TEST_RETRY
1276 static int retry_cnt;
1280 fprintf(stderr, "Certificate callback retry test: count %d\n",
1285 SSL_certs_clear(ssl);
1290 /* Go to end of list and traverse backwards since we prepend
1291 * newer entries this retains the original order.
1301 rv = SSL_check_chain(ssl, exc->cert, exc->key, exc->chain);
1302 BIO_printf(bio_err, "Checking cert chain %d:\nSubject: ", i);
1303 X509_NAME_print_ex(bio_err, X509_get_subject_name(exc->cert), 0,
1305 BIO_puts(bio_err, "\n");
1307 print_chain_flags(bio_err, rv);
1308 if (rv & CERT_PKEY_VALID)
1310 SSL_use_certificate(ssl, exc->cert);
1311 SSL_use_PrivateKey(ssl, exc->key);
1312 /* NB: we wouldn't normally do this as it is
1313 * not efficient building chains on each connection
1314 * better to cache the chain in advance.
1316 if (exc->build_chain)
1318 if (!SSL_build_cert_chain(ssl, 0))
1321 else if (exc->chain)
1322 SSL_set1_chain(ssl, exc->chain);
1329 void ssl_ctx_set_excert(SSL_CTX *ctx, SSL_EXCERT *exc)
1331 SSL_CTX_set_cert_cb(ctx, set_cert_cb, exc);
1334 static int ssl_excert_prepend(SSL_EXCERT **pexc)
1337 exc = OPENSSL_malloc(sizeof(SSL_EXCERT));
1340 exc->certfile = NULL;
1341 exc->keyfile = NULL;
1342 exc->chainfile = NULL;
1347 exc->build_chain = 0;
1354 exc->certform = exc->next->certform;
1355 exc->keyform = exc->next->keyform;
1356 exc->next->prev = exc;
1360 exc->certform = FORMAT_PEM;
1361 exc->keyform = FORMAT_PEM;
1367 void ssl_excert_free(SSL_EXCERT *exc)
1373 X509_free(exc->cert);
1375 EVP_PKEY_free(exc->key);
1377 sk_X509_pop_free(exc->chain, X509_free);
1384 int load_excert(SSL_EXCERT **pexc, BIO *err)
1386 SSL_EXCERT *exc = *pexc;
1389 /* If nothing in list, free and set to NULL */
1390 if (!exc->certfile && !exc->next)
1392 ssl_excert_free(exc);
1396 for(; exc; exc=exc->next)
1400 BIO_printf(err, "Missing filename\n");
1403 exc->cert = load_cert(err, exc->certfile, exc->certform,
1404 NULL, NULL, "Server Certificate");
1408 exc->keyfile = exc->certfile;
1409 exc->key = load_key(err, exc->certfile, exc->certform, 0,
1410 NULL, NULL, "Server Certificate");
1415 exc->chain = load_certs(err,
1416 exc->chainfile, FORMAT_PEM,
1419 if (!exc->chainfile)
1427 int args_excert(char ***pargs, int *pargc,
1428 int *badarg, BIO *err, SSL_EXCERT **pexc)
1430 char *arg = **pargs, *argn = (*pargs)[1];
1431 SSL_EXCERT *exc = *pexc;
1435 if (ssl_excert_prepend(&exc))
1439 BIO_printf(err, "Error initialising xcert\n");
1444 if (strcmp(arg, "-xcert") == 0)
1451 if (exc->certfile && !ssl_excert_prepend(&exc))
1453 BIO_printf(err, "Error adding xcert\n");
1457 exc->certfile = argn;
1459 else if (strcmp(arg,"-xkey") == 0)
1468 BIO_printf(err, "Key already specified\n");
1472 exc->keyfile = argn;
1474 else if (strcmp(arg,"-xchain") == 0)
1483 BIO_printf(err, "Chain already specified\n");
1487 exc->chainfile = argn;
1489 else if (strcmp(arg,"-xchain_build") == 0)
1492 exc->build_chain = 1;
1494 else if (strcmp(arg,"-xcertform") == 0)
1501 exc->certform = str2fmt(argn);
1503 else if (strcmp(arg,"-xkeyform") == 0)
1510 exc->keyform = str2fmt(argn);
1525 ERR_print_errors(err);
1526 ssl_excert_free(exc);
1531 static void print_raw_cipherlist(BIO *bio, SSL *s)
1533 const unsigned char *rlist;
1534 static const unsigned char scsv_id[] = {0, 0, 0xFF};
1535 size_t i, rlistlen, num;
1536 if (!SSL_is_server(s))
1538 num = SSL_get0_raw_cipherlist(s, NULL);
1539 rlistlen = SSL_get0_raw_cipherlist(s, &rlist);
1540 BIO_puts(bio, "Client cipher list: ");
1541 for (i = 0; i < rlistlen; i += num, rlist += num)
1543 const SSL_CIPHER *c = SSL_CIPHER_find(s, rlist);
1547 BIO_puts(bio, SSL_CIPHER_get_name(c));
1548 else if (!memcmp(rlist, scsv_id - num + 3, num))
1549 BIO_puts(bio, "SCSV");
1553 BIO_puts(bio, "0x");
1554 for (j = 0; j < num; j++)
1555 BIO_printf(bio, "%02X", rlist[j]);
1558 BIO_puts(bio, "\n");
1562 void print_ssl_summary(BIO *bio, SSL *s)
1564 const SSL_CIPHER *c;
1566 /*const char *pnam = SSL_is_server(s) ? "client" : "server";*/
1567 BIO_printf(bio, "Protocol version: %s\n", SSL_get_version(s));
1568 print_raw_cipherlist(bio, s);
1569 c = SSL_get_current_cipher(s);
1570 BIO_printf(bio,"Ciphersuite: %s\n", SSL_CIPHER_get_name(c));
1571 do_print_sigalgs(bio, s, 0);
1572 peer = SSL_get_peer_certificate(s);
1576 BIO_puts(bio, "Peer certificate: ");
1577 X509_NAME_print_ex(bio, X509_get_subject_name(peer),
1578 0, XN_FLAG_ONELINE);
1579 BIO_puts(bio, "\n");
1580 if (SSL_get_peer_signature_nid(s, &nid))
1581 BIO_printf(bio, "Hash used: %s\n", OBJ_nid2sn(nid));
1584 BIO_puts(bio, "No peer certificate\n");
1587 #ifndef OPENSSL_NO_EC
1588 ssl_print_point_formats(bio, s);
1589 if (SSL_is_server(s))
1590 ssl_print_curves(bio, s, 1);
1592 ssl_print_tmp_key(bio, s);
1594 if (!SSL_is_server(s))
1595 ssl_print_tmp_key(bio, s);
1599 int args_ssl(char ***pargs, int *pargc, SSL_CONF_CTX *cctx,
1600 int *badarg, BIO *err, STACK_OF(OPENSSL_STRING) **pstr)
1602 char *arg = **pargs, *argn = (*pargs)[1];
1605 /* Attempt to run SSL configuration command */
1606 rv = SSL_CONF_cmd_argv(cctx, pargc, pargs);
1607 /* If parameter not recognised just return */
1610 /* see if missing argument error */
1613 BIO_printf(err, "%s needs an argument\n", arg);
1617 /* Check for some other error */
1620 BIO_printf(err, "Error with command: \"%s %s\"\n",
1621 arg, argn ? argn : "");
1625 /* Store command and argument */
1626 /* If only one argument processed store value as NULL */
1630 *pstr = sk_OPENSSL_STRING_new_null();
1631 if (!*pstr || !sk_OPENSSL_STRING_push(*pstr, arg) ||
1632 !sk_OPENSSL_STRING_push(*pstr, argn))
1634 BIO_puts(err, "Memory allocation failure\n");
1640 ERR_print_errors(err);
1645 int args_ssl_call(SSL_CTX *ctx, BIO *err, SSL_CONF_CTX *cctx,
1646 STACK_OF(OPENSSL_STRING) *str, int no_ecdhe, int no_jpake)
1649 SSL_CONF_CTX_set_ssl_ctx(cctx, ctx);
1650 for (i = 0; i < sk_OPENSSL_STRING_num(str); i+= 2)
1652 const char *param = sk_OPENSSL_STRING_value(str, i);
1653 const char *value = sk_OPENSSL_STRING_value(str, i + 1);
1654 /* If no_ecdhe or named curve already specified don't need
1657 if (!no_ecdhe && !strcmp(param, "-named_curve"))
1659 #ifndef OPENSSL_NO_JPAKE
1660 if (!no_jpake && !strcmp(param, "-cipher"))
1662 BIO_puts(err, "JPAKE sets cipher to PSK\n");
1666 if (SSL_CONF_cmd(cctx, param, value) <= 0)
1668 BIO_printf(err, "Error with command: \"%s %s\"\n",
1669 param, value ? value : "");
1670 ERR_print_errors(err);
1674 /* This is a special case to keep existing s_server functionality:
1675 * if we don't have any curve specified *and* we haven't disabled
1676 * ECDHE then use P-256.
1680 if (SSL_CONF_cmd(cctx, "-named_curve", "P-256") <= 0)
1682 BIO_puts(err, "Error setting EC curve\n");
1683 ERR_print_errors(err);
1687 #ifndef OPENSSL_NO_JPAKE
1690 if (SSL_CONF_cmd(cctx, "-cipher", "PSK") <= 0)
1692 BIO_puts(err, "Error setting cipher to PSK\n");
1693 ERR_print_errors(err);
1698 if (!SSL_CONF_CTX_finish(cctx))
1700 BIO_puts(err, "Error finishing context\n");
1701 ERR_print_errors(err);
1707 static int add_crls_store(X509_STORE *st, STACK_OF(X509_CRL) *crls)
1711 for (i = 0; i < sk_X509_CRL_num(crls); i++)
1713 crl = sk_X509_CRL_value(crls, i);
1714 X509_STORE_add_crl(st, crl);
1719 int ssl_ctx_add_crls(SSL_CTX *ctx, STACK_OF(X509_CRL) *crls, int crl_download)
1722 st = SSL_CTX_get_cert_store(ctx);
1723 add_crls_store(st, crls);
1725 store_setup_crl_download(st);
1729 int ssl_load_stores(SSL_CTX *ctx,
1730 const char *vfyCApath, const char *vfyCAfile,
1731 const char *chCApath, const char *chCAfile,
1732 STACK_OF(X509_CRL) *crls, int crl_download)
1734 X509_STORE *vfy = NULL, *ch = NULL;
1736 if (vfyCApath || vfyCAfile)
1738 vfy = X509_STORE_new();
1739 if (!X509_STORE_load_locations(vfy, vfyCAfile, vfyCApath))
1741 add_crls_store(vfy, crls);
1742 SSL_CTX_set1_verify_cert_store(ctx, vfy);
1744 store_setup_crl_download(vfy);
1746 if (chCApath || chCAfile)
1748 ch = X509_STORE_new();
1749 if (!X509_STORE_load_locations(ch, chCAfile, chCApath))
1751 SSL_CTX_set1_chain_cert_store(ctx, ch);
1756 X509_STORE_free(vfy);
1758 X509_STORE_free(ch);