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/x509.h>
121 #include <openssl/ssl.h>
125 int verify_error=X509_V_OK;
126 int verify_return_error=0;
128 int MS_CALLBACK verify_callback(int ok, X509_STORE_CTX *ctx)
133 err_cert=X509_STORE_CTX_get_current_cert(ctx);
134 err= X509_STORE_CTX_get_error(ctx);
135 depth= X509_STORE_CTX_get_error_depth(ctx);
137 BIO_printf(bio_err,"depth=%d ",depth);
140 X509_NAME_print_ex(bio_err, X509_get_subject_name(err_cert),
142 BIO_puts(bio_err, "\n");
145 BIO_puts(bio_err, "<no cert>\n");
148 BIO_printf(bio_err,"verify error:num=%d:%s\n",err,
149 X509_verify_cert_error_string(err));
150 if (verify_depth >= depth)
152 if (!verify_return_error)
154 verify_error=X509_V_OK;
159 verify_error=X509_V_ERR_CERT_CHAIN_TOO_LONG;
164 case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT:
165 BIO_puts(bio_err,"issuer= ");
166 X509_NAME_print_ex(bio_err, X509_get_issuer_name(err_cert),
168 BIO_puts(bio_err, "\n");
170 case X509_V_ERR_CERT_NOT_YET_VALID:
171 case X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD:
172 BIO_printf(bio_err,"notBefore=");
173 ASN1_TIME_print(bio_err,X509_get_notBefore(err_cert));
174 BIO_printf(bio_err,"\n");
176 case X509_V_ERR_CERT_HAS_EXPIRED:
177 case X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD:
178 BIO_printf(bio_err,"notAfter=");
179 ASN1_TIME_print(bio_err,X509_get_notAfter(err_cert));
180 BIO_printf(bio_err,"\n");
182 case X509_V_ERR_NO_EXPLICIT_POLICY:
183 policies_print(bio_err, ctx);
186 if (err == X509_V_OK && ok == 2)
187 policies_print(bio_err, ctx);
189 BIO_printf(bio_err,"verify return:%d\n",ok);
193 int set_cert_stuff(SSL_CTX *ctx, char *cert_file, char *key_file)
195 if (cert_file != NULL)
202 if (SSL_CTX_use_certificate_file(ctx,cert_file,
203 SSL_FILETYPE_PEM) <= 0)
205 BIO_printf(bio_err,"unable to get certificate from '%s'\n",cert_file);
206 ERR_print_errors(bio_err);
209 if (key_file == NULL) key_file=cert_file;
210 if (SSL_CTX_use_PrivateKey_file(ctx,key_file,
211 SSL_FILETYPE_PEM) <= 0)
213 BIO_printf(bio_err,"unable to get private key from '%s'\n",key_file);
214 ERR_print_errors(bio_err);
219 In theory this is no longer needed
221 x509=SSL_get_certificate(ssl);
225 pktmp = X509_get_pubkey(x509);
226 EVP_PKEY_copy_parameters(pktmp,
227 SSL_get_privatekey(ssl));
228 EVP_PKEY_free(pktmp);
233 /* If we are using DSA, we can copy the parameters from
237 /* Now we know that a key and cert have been set against
239 if (!SSL_CTX_check_private_key(ctx))
241 BIO_printf(bio_err,"Private key does not match the certificate public key\n");
248 int set_cert_key_stuff(SSL_CTX *ctx, X509 *cert, EVP_PKEY *key)
252 if (SSL_CTX_use_certificate(ctx,cert) <= 0)
254 BIO_printf(bio_err,"error setting certificate\n");
255 ERR_print_errors(bio_err);
258 if (SSL_CTX_use_PrivateKey(ctx,key) <= 0)
260 BIO_printf(bio_err,"error setting private key\n");
261 ERR_print_errors(bio_err);
266 /* Now we know that a key and cert have been set against
268 if (!SSL_CTX_check_private_key(ctx))
270 BIO_printf(bio_err,"Private key does not match the certificate public key\n");
276 long MS_CALLBACK bio_dump_callback(BIO *bio, int cmd, const char *argp,
277 int argi, long argl, long ret)
281 out=(BIO *)BIO_get_callback_arg(bio);
282 if (out == NULL) return(ret);
284 if (cmd == (BIO_CB_READ|BIO_CB_RETURN))
286 BIO_printf(out,"read from %p [%p] (%lu bytes => %ld (0x%lX))\n",
287 (void *)bio,argp,(unsigned long)argi,ret,ret);
288 BIO_dump(out,argp,(int)ret);
291 else if (cmd == (BIO_CB_WRITE|BIO_CB_RETURN))
293 BIO_printf(out,"write to %p [%p] (%lu bytes => %ld (0x%lX))\n",
294 (void *)bio,argp,(unsigned long)argi,ret,ret);
295 BIO_dump(out,argp,(int)ret);
300 void MS_CALLBACK apps_ssl_info_callback(const SSL *s, int where, int ret)
305 w=where& ~SSL_ST_MASK;
307 if (w & SSL_ST_CONNECT) str="SSL_connect";
308 else if (w & SSL_ST_ACCEPT) str="SSL_accept";
309 else str="undefined";
311 if (where & SSL_CB_LOOP)
313 BIO_printf(bio_err,"%s:%s\n",str,SSL_state_string_long(s));
315 else if (where & SSL_CB_ALERT)
317 str=(where & SSL_CB_READ)?"read":"write";
318 BIO_printf(bio_err,"SSL3 alert %s:%s:%s\n",
320 SSL_alert_type_string_long(ret),
321 SSL_alert_desc_string_long(ret));
323 else if (where & SSL_CB_EXIT)
326 BIO_printf(bio_err,"%s:failed in %s\n",
327 str,SSL_state_string_long(s));
330 BIO_printf(bio_err,"%s:error in %s\n",
331 str,SSL_state_string_long(s));
337 void MS_CALLBACK msg_cb(int write_p, int version, int content_type, const void *buf, size_t len, SSL *ssl, void *arg)
340 const char *str_write_p, *str_version, *str_content_type = "", *str_details1 = "", *str_details2= "";
342 str_write_p = write_p ? ">>>" : "<<<";
347 str_version = "SSL 2.0";
350 str_version = "SSL 3.0 ";
353 str_version = "TLS 1.0 ";
356 str_version = "DTLS 1.0 ";
359 str_version = "DTLS 1.0 (bad) ";
365 if (version == SSL2_VERSION)
367 str_details1 = "???";
371 switch (((const unsigned char*)buf)[0])
374 str_details1 = ", ERROR:";
375 str_details2 = " ???";
378 unsigned err = (((const unsigned char*)buf)[1]<<8) + ((const unsigned char*)buf)[2];
383 str_details2 = " NO-CIPHER-ERROR";
386 str_details2 = " NO-CERTIFICATE-ERROR";
389 str_details2 = " BAD-CERTIFICATE-ERROR";
392 str_details2 = " UNSUPPORTED-CERTIFICATE-TYPE-ERROR";
399 str_details1 = ", CLIENT-HELLO";
402 str_details1 = ", CLIENT-MASTER-KEY";
405 str_details1 = ", CLIENT-FINISHED";
408 str_details1 = ", SERVER-HELLO";
411 str_details1 = ", SERVER-VERIFY";
414 str_details1 = ", SERVER-FINISHED";
417 str_details1 = ", REQUEST-CERTIFICATE";
420 str_details1 = ", CLIENT-CERTIFICATE";
426 if (version == SSL3_VERSION ||
427 version == TLS1_VERSION ||
428 version == DTLS1_VERSION ||
429 version == DTLS1_BAD_VER)
431 switch (content_type)
434 str_content_type = "ChangeCipherSpec";
437 str_content_type = "Alert";
440 str_content_type = "Handshake";
444 if (content_type == 21) /* Alert */
446 str_details1 = ", ???";
450 switch (((const unsigned char*)buf)[0])
453 str_details1 = ", warning";
456 str_details1 = ", fatal";
460 str_details2 = " ???";
461 switch (((const unsigned char*)buf)[1])
464 str_details2 = " close_notify";
467 str_details2 = " unexpected_message";
470 str_details2 = " bad_record_mac";
473 str_details2 = " decryption_failed";
476 str_details2 = " record_overflow";
479 str_details2 = " decompression_failure";
482 str_details2 = " handshake_failure";
485 str_details2 = " bad_certificate";
488 str_details2 = " unsupported_certificate";
491 str_details2 = " certificate_revoked";
494 str_details2 = " certificate_expired";
497 str_details2 = " certificate_unknown";
500 str_details2 = " illegal_parameter";
503 str_details2 = " unknown_ca";
506 str_details2 = " access_denied";
509 str_details2 = " decode_error";
512 str_details2 = " decrypt_error";
515 str_details2 = " export_restriction";
518 str_details2 = " protocol_version";
521 str_details2 = " insufficient_security";
524 str_details2 = " internal_error";
527 str_details2 = " user_canceled";
530 str_details2 = " no_renegotiation";
533 str_details2 = " unsupported_extension";
536 str_details2 = " certificate_unobtainable";
539 str_details2 = " unrecognized_name";
542 str_details2 = " bad_certificate_status_response";
545 str_details2 = " bad_certificate_hash_value";
551 if (content_type == 22) /* Handshake */
553 str_details1 = "???";
557 switch (((const unsigned char*)buf)[0])
560 str_details1 = ", HelloRequest";
563 str_details1 = ", ClientHello";
566 str_details1 = ", ServerHello";
569 str_details1 = ", HelloVerifyRequest";
572 str_details1 = ", Certificate";
575 str_details1 = ", ServerKeyExchange";
578 str_details1 = ", CertificateRequest";
581 str_details1 = ", ServerHelloDone";
584 str_details1 = ", CertificateVerify";
587 str_details1 = ", ClientKeyExchange";
590 str_details1 = ", Finished";
597 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);
603 BIO_printf(bio, " ");
609 for (i = 0; i < num; i++)
611 if (i % 16 == 0 && i > 0)
612 BIO_printf(bio, "\n ");
613 BIO_printf(bio, " %02x", ((const unsigned char*)buf)[i]);
616 BIO_printf(bio, " ...");
617 BIO_printf(bio, "\n");
619 (void)BIO_flush(bio);
622 void MS_CALLBACK tlsext_cb(SSL *s, int client_server, int type,
623 unsigned char *data, int len,
631 case TLSEXT_TYPE_server_name:
632 extname = "server name";
635 case TLSEXT_TYPE_max_fragment_length:
636 extname = "max fragment length";
639 case TLSEXT_TYPE_client_certificate_url:
640 extname = "client certificate URL";
643 case TLSEXT_TYPE_trusted_ca_keys:
644 extname = "trusted CA keys";
647 case TLSEXT_TYPE_truncated_hmac:
648 extname = "truncated HMAC";
651 case TLSEXT_TYPE_status_request:
652 extname = "status request";
655 case TLSEXT_TYPE_elliptic_curves:
656 extname = "elliptic curves";
659 case TLSEXT_TYPE_ec_point_formats:
660 extname = "EC point formats";
663 case TLSEXT_TYPE_session_ticket:
664 extname = "server ticket";
667 #ifdef TLSEXT_TYPE_opaque_prf_input
668 case TLSEXT_TYPE_opaque_prf_input:
669 extname = "opaque PRF input";
679 BIO_printf(bio, "TLS %s extension \"%s\" (id=%d), len=%d\n",
680 client_server ? "server": "client",
682 BIO_dump(bio, (char *)data, len);
683 (void)BIO_flush(bio);