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).
111 /* ====================================================================
112 * Copyright 2005 Nokia. All rights reserved.
114 * The portions of the attached software ("Contribution") is developed by
115 * Nokia Corporation and is licensed pursuant to the OpenSSL open source
118 * The Contribution, originally written by Mika Kousa and Pasi Eronen of
119 * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
120 * support (see RFC 4279) to OpenSSL.
122 * No patent licenses or other rights except those expressly stated in
123 * the OpenSSL open source license shall be deemed granted or received
124 * expressly, by implication, estoppel, or otherwise.
126 * No assurances are provided by Nokia that the Contribution does not
127 * infringe the patent or other intellectual property rights of any third
128 * party or that the license provides you with all the necessary rights
129 * to make use of the Contribution.
131 * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
132 * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
133 * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
134 * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
143 #include <openssl/e_os2.h>
144 #ifdef OPENSSL_NO_STDIO
148 /* With IPv6, it looks like Digital has mixed up the proper order of
149 recursive header file inclusion, resulting in the compiler complaining
150 that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which
151 is needed to have fileno() declared correctly... So let's define u_int */
152 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
154 typedef unsigned int u_int;
159 #include <openssl/x509.h>
160 #include <openssl/ssl.h>
161 #include <openssl/err.h>
162 #include <openssl/pem.h>
163 #include <openssl/rand.h>
164 #include <openssl/ocsp.h>
165 #include <openssl/bn.h>
166 #ifndef OPENSSL_NO_SRP
167 #include <openssl/srp.h>
170 #include "timeouts.h"
172 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
173 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
177 #if defined(OPENSSL_SYS_BEOS_R5)
182 #define PROG s_client_main
184 /*#define SSL_HOST_NAME "www.netscape.com" */
185 /*#define SSL_HOST_NAME "193.118.187.102" */
186 #define SSL_HOST_NAME "localhost"
188 /*#define TEST_CERT "client.pem" */ /* no default cert. */
191 #define BUFSIZZ 1024*8
193 extern int verify_depth;
194 extern int verify_error;
195 extern int verify_return_error;
196 extern int verify_quiet;
201 static int c_Pause=0;
202 static int c_debug=0;
203 #ifndef OPENSSL_NO_TLSEXT
204 static int c_tlsextdebug=0;
205 static int c_status_req=0;
206 static int c_proof_debug=0;
209 static int c_showcerts=0;
211 static char *keymatexportlabel=NULL;
212 static int keymatexportlen=20;
214 static void sc_usage(void);
215 static void print_stuff(BIO *berr,SSL *con,int full);
216 #ifndef OPENSSL_NO_TLSEXT
217 static int ocsp_resp_cb(SSL *s, void *arg);
218 static int audit_proof_cb(SSL *s, void *arg);
220 static BIO *bio_c_out=NULL;
221 static BIO *bio_c_msg=NULL;
222 static int c_quiet=0;
223 static int c_ign_eof=0;
224 static int c_brief=0;
226 #ifndef OPENSSL_NO_PSK
227 /* Default PSK identity and key */
228 static char *psk_identity="Client_identity";
229 /*char *psk_key=NULL; by default PSK is not used */
231 static unsigned int psk_client_cb(SSL *ssl, const char *hint, char *identity,
232 unsigned int max_identity_len, unsigned char *psk,
233 unsigned int max_psk_len)
235 unsigned int psk_len = 0;
240 BIO_printf(bio_c_out, "psk_client_cb\n");
243 /* no ServerKeyExchange message*/
245 BIO_printf(bio_c_out,"NULL received PSK identity hint, continuing anyway\n");
248 BIO_printf(bio_c_out, "Received PSK identity hint '%s'\n", hint);
250 /* lookup PSK identity and PSK key based on the given identity hint here */
251 ret = BIO_snprintf(identity, max_identity_len, "%s", psk_identity);
252 if (ret < 0 || (unsigned int)ret > max_identity_len)
255 BIO_printf(bio_c_out, "created identity '%s' len=%d\n", identity, ret);
256 ret=BN_hex2bn(&bn, psk_key);
259 BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key);
265 if ((unsigned int)BN_num_bytes(bn) > max_psk_len)
267 BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n",
268 max_psk_len, BN_num_bytes(bn));
273 psk_len=BN_bn2bin(bn, psk);
279 BIO_printf(bio_c_out, "created PSK len=%d\n", psk_len);
284 BIO_printf(bio_err, "Error in PSK client callback\n");
289 static void sc_usage(void)
291 BIO_printf(bio_err,"usage: s_client args\n");
292 BIO_printf(bio_err,"\n");
293 BIO_printf(bio_err," -host host - use -connect instead\n");
294 BIO_printf(bio_err," -port port - use -connect instead\n");
295 BIO_printf(bio_err," -connect host:port - who to connect to (default is %s:%s)\n",SSL_HOST_NAME,PORT_STR);
296 BIO_printf(bio_err," -checkhost host - check peer certificate matches \"host\"\n");
297 BIO_printf(bio_err," -checkemail email - check peer certificate matches \"email\"\n");
298 BIO_printf(bio_err," -checkip ipaddr - check peer certificate matches \"ipaddr\"\n");
300 BIO_printf(bio_err," -verify arg - turn on peer certificate verification\n");
301 BIO_printf(bio_err," -cert arg - certificate file to use, PEM format assumed\n");
302 BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
303 BIO_printf(bio_err," -key arg - Private key file to use, in cert file if\n");
304 BIO_printf(bio_err," not specified but cert file is.\n");
305 BIO_printf(bio_err," -keyform arg - key format (PEM or DER) PEM default\n");
306 BIO_printf(bio_err," -pass arg - private key file pass phrase source\n");
307 BIO_printf(bio_err," -CApath arg - PEM format directory of CA's\n");
308 BIO_printf(bio_err," -CAfile arg - PEM format file of CA's\n");
309 BIO_printf(bio_err," -reconnect - Drop and re-make the connection with the same Session-ID\n");
310 BIO_printf(bio_err," -pause - sleep(1) after each read(2) and write(2) system call\n");
311 BIO_printf(bio_err," -showcerts - show all certificates in the chain\n");
312 BIO_printf(bio_err," -debug - extra output\n");
314 BIO_printf(bio_err," -wdebug - WATT-32 tcp debugging\n");
316 BIO_printf(bio_err," -msg - Show protocol messages\n");
317 BIO_printf(bio_err," -nbio_test - more ssl protocol testing\n");
318 BIO_printf(bio_err," -state - print the 'ssl' states\n");
320 BIO_printf(bio_err," -nbio - Run with non-blocking IO\n");
322 BIO_printf(bio_err," -crlf - convert LF from terminal into CRLF\n");
323 BIO_printf(bio_err," -quiet - no s_client output\n");
324 BIO_printf(bio_err," -ign_eof - ignore input eof (default when -quiet)\n");
325 BIO_printf(bio_err," -no_ign_eof - don't ignore input eof\n");
326 #ifndef OPENSSL_NO_PSK
327 BIO_printf(bio_err," -psk_identity arg - PSK identity\n");
328 BIO_printf(bio_err," -psk arg - PSK in hex (without 0x)\n");
329 # ifndef OPENSSL_NO_JPAKE
330 BIO_printf(bio_err," -jpake arg - JPAKE secret to use\n");
333 #ifndef OPENSSL_NO_SRP
334 BIO_printf(bio_err," -srpuser user - SRP authentification for 'user'\n");
335 BIO_printf(bio_err," -srppass arg - password for 'user'\n");
336 BIO_printf(bio_err," -srp_lateuser - SRP username into second ClientHello message\n");
337 BIO_printf(bio_err," -srp_moregroups - Tolerate other than the known g N values.\n");
338 BIO_printf(bio_err," -srp_strength int - minimal mength in bits for N (default %d).\n",SRP_MINIMAL_N);
340 BIO_printf(bio_err," -ssl2 - just use SSLv2\n");
341 BIO_printf(bio_err," -ssl3 - just use SSLv3\n");
342 BIO_printf(bio_err," -tls1_2 - just use TLSv1.2\n");
343 BIO_printf(bio_err," -tls1_1 - just use TLSv1.1\n");
344 BIO_printf(bio_err," -tls1 - just use TLSv1\n");
345 BIO_printf(bio_err," -dtls1 - just use DTLSv1\n");
346 BIO_printf(bio_err," -mtu - set the link layer MTU\n");
347 BIO_printf(bio_err," -no_tls1_2/-no_tls1_1/-no_tls1/-no_ssl3/-no_ssl2 - turn off that protocol\n");
348 BIO_printf(bio_err," -bugs - Switch on all SSL implementation bug workarounds\n");
349 BIO_printf(bio_err," -serverpref - Use server's cipher preferences (only SSLv2)\n");
350 BIO_printf(bio_err," -cipher - preferred cipher to use, use the 'openssl ciphers'\n");
351 BIO_printf(bio_err," command to see what is available\n");
352 BIO_printf(bio_err," -starttls prot - use the STARTTLS command before starting TLS\n");
353 BIO_printf(bio_err," for those protocols that support it, where\n");
354 BIO_printf(bio_err," 'prot' defines which one to assume. Currently,\n");
355 BIO_printf(bio_err," only \"smtp\", \"pop3\", \"imap\", \"ftp\" and \"xmpp\"\n");
356 BIO_printf(bio_err," are supported.\n");
357 #ifndef OPENSSL_NO_ENGINE
358 BIO_printf(bio_err," -engine id - Initialise and use the specified engine\n");
360 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
361 BIO_printf(bio_err," -sess_out arg - file to write SSL session to\n");
362 BIO_printf(bio_err," -sess_in arg - file to read SSL session from\n");
363 #ifndef OPENSSL_NO_TLSEXT
364 BIO_printf(bio_err," -servername host - Set TLS extension servername in ClientHello\n");
365 BIO_printf(bio_err," -tlsextdebug - hex dump of all TLS extensions received\n");
366 BIO_printf(bio_err," -status - request certificate status from server\n");
367 BIO_printf(bio_err," -no_ticket - disable use of RFC4507bis session tickets\n");
368 BIO_printf(bio_err," -proof_debug - request an audit proof and print its hex dump\n");
369 # ifndef OPENSSL_NO_NEXTPROTONEG
370 BIO_printf(bio_err," -nextprotoneg arg - enable NPN extension, considering named protocols supported (comma-separated list)\n");
371 BIO_printf(bio_err," -alpn arg - enable ALPN extension, considering named protocols supported (comma-separated list)\n");
373 #ifndef OPENSSL_NO_TLSEXT
374 BIO_printf(bio_err," -serverinfo types - send empty ClientHello extensions (comma-separated numbers)\n");
377 BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
378 BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
379 BIO_printf(bio_err," -keymatexport label - Export keying material using label\n");
380 BIO_printf(bio_err," -keymatexportlen len - Export len bytes of keying material (default 20)\n");
383 #ifndef OPENSSL_NO_TLSEXT
385 /* This is a context that we pass to callbacks */
386 typedef struct tlsextctx_st {
392 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
394 tlsextctx * p = (tlsextctx *) arg;
395 const char * hn= SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
396 if (SSL_get_servername_type(s) != -1)
397 p->ack = !SSL_session_reused(s) && hn != NULL;
399 BIO_printf(bio_err,"Can't use SSL_get_servername\n");
401 return SSL_TLSEXT_ERR_OK;
404 #ifndef OPENSSL_NO_SRP
406 /* This is a context that we pass to all callbacks */
407 typedef struct srp_arg_st
411 int msg; /* copy from c_msg */
412 int debug; /* copy from c_debug */
413 int amp; /* allow more groups */
414 int strength /* minimal size for N */ ;
417 #define SRP_NUMBER_ITERATIONS_FOR_PRIME 64
419 static int srp_Verify_N_and_g(BIGNUM *N, BIGNUM *g)
421 BN_CTX *bn_ctx = BN_CTX_new();
422 BIGNUM *p = BN_new();
423 BIGNUM *r = BN_new();
425 g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) &&
426 BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
427 p != NULL && BN_rshift1(p, N) &&
430 BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
433 /* verify g^((N-1)/2) == -1 (mod N) */
434 BN_mod_exp(r, g, p, N, bn_ctx) &&
447 /* This callback is used here for two purposes:
449 - making some primality tests for unknown groups
450 The callback is only called for a non default group.
452 An application does not need the call back at all if
453 only the stanard groups are used. In real life situations,
454 client and server already share well known groups,
455 thus there is no need to verify them.
456 Furthermore, in case that a server actually proposes a group that
457 is not one of those defined in RFC 5054, it is more appropriate
458 to add the group to a static list and then compare since
459 primality tests are rather cpu consuming.
462 static int MS_CALLBACK ssl_srp_verify_param_cb(SSL *s, void *arg)
464 SRP_ARG *srp_arg = (SRP_ARG *)arg;
465 BIGNUM *N = NULL, *g = NULL;
466 if (!(N = SSL_get_srp_N(s)) || !(g = SSL_get_srp_g(s)))
468 if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1)
470 BIO_printf(bio_err, "SRP parameters:\n");
471 BIO_printf(bio_err,"\tN="); BN_print(bio_err,N);
472 BIO_printf(bio_err,"\n\tg="); BN_print(bio_err,g);
473 BIO_printf(bio_err,"\n");
476 if (SRP_check_known_gN_param(g,N))
479 if (srp_arg->amp == 1)
482 BIO_printf(bio_err, "SRP param N and g are not known params, going to check deeper.\n");
484 /* The srp_moregroups is a real debugging feature.
485 Implementors should rather add the value to the known ones.
486 The minimal size has already been tested.
488 if (BN_num_bits(g) <= BN_BITS && srp_Verify_N_and_g(N,g))
491 BIO_printf(bio_err, "SRP param N and g rejected.\n");
495 #define PWD_STRLEN 1024
497 static char * MS_CALLBACK ssl_give_srp_client_pwd_cb(SSL *s, void *arg)
499 SRP_ARG *srp_arg = (SRP_ARG *)arg;
500 char *pass = (char *)OPENSSL_malloc(PWD_STRLEN+1);
504 cb_tmp.password = (char *)srp_arg->srppassin;
505 cb_tmp.prompt_info = "SRP user";
506 if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp))<0)
508 BIO_printf (bio_err, "Can't read Password\n");
518 char *srtp_profiles = NULL;
520 # ifndef OPENSSL_NO_NEXTPROTONEG
521 /* This the context that we pass to next_proto_cb */
522 typedef struct tlsextnextprotoctx_st {
526 } tlsextnextprotoctx;
528 static tlsextnextprotoctx next_proto;
530 static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen, const unsigned char *in, unsigned int inlen, void *arg)
532 tlsextnextprotoctx *ctx = arg;
536 /* We can assume that |in| is syntactically valid. */
538 BIO_printf(bio_c_out, "Protocols advertised by server: ");
539 for (i = 0; i < inlen; )
542 BIO_write(bio_c_out, ", ", 2);
543 BIO_write(bio_c_out, &in[i + 1], in[i]);
546 BIO_write(bio_c_out, "\n", 1);
549 ctx->status = SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len);
550 return SSL_TLSEXT_ERR_OK;
552 # endif /* ndef OPENSSL_NO_NEXTPROTONEG */
554 static int serverinfo_cli_cb(SSL* s, unsigned short ext_type,
555 const unsigned char* in, unsigned short inlen,
559 unsigned char ext_buf[4 + 65536];
561 /* Reconstruct the type/len fields prior to extension data */
562 ext_buf[0] = ext_type >> 8;
563 ext_buf[1] = ext_type & 0xFF;
564 ext_buf[2] = inlen >> 8;
565 ext_buf[3] = inlen & 0xFF;
566 memcpy(ext_buf+4, in, inlen);
568 BIO_snprintf(pem_name, sizeof(pem_name), "SERVERINFO FOR EXTENSION %d",
570 PEM_write_bio(bio_c_out, pem_name, "", ext_buf, 4 + inlen);
586 int MAIN(int, char **);
588 int MAIN(int argc, char **argv)
592 #ifndef OPENSSL_NO_KRB5
595 int s,k,width,state=0;
596 char *cbuf=NULL,*sbuf=NULL,*mbuf=NULL;
597 int cbuf_len,cbuf_off;
598 int sbuf_len,sbuf_off;
599 fd_set readfds,writefds;
602 char *host=SSL_HOST_NAME;
603 char *cert_file=NULL,*key_file=NULL,*chain_file=NULL;
604 int cert_format = FORMAT_PEM, key_format = FORMAT_PEM;
605 char *passarg = NULL, *pass = NULL;
607 EVP_PKEY *key = NULL;
608 STACK_OF(X509) *chain = NULL;
609 char *CApath=NULL,*CAfile=NULL;
610 char *chCApath=NULL,*chCAfile=NULL;
611 char *vfyCApath=NULL,*vfyCAfile=NULL;
612 int reconnect=0,badop=0,verify=SSL_VERIFY_NONE;
614 int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending;
616 int ret=1,in_init=1,i,nbio_test=0;
617 int starttls_proto = PROTO_OFF;
619 X509_VERIFY_PARAM *vpm = NULL;
621 const SSL_METHOD *meth=NULL;
622 int socket_type=SOCK_STREAM;
626 struct timeval timeout, *timeoutp;
627 #ifndef OPENSSL_NO_ENGINE
628 char *engine_id=NULL;
629 char *ssl_client_engine_id=NULL;
630 ENGINE *ssl_client_engine=NULL;
633 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
635 #if defined(OPENSSL_SYS_BEOS_R5)
639 #ifndef OPENSSL_NO_TLSEXT
640 char *servername = NULL;
641 tlsextctx tlsextcbp =
643 # ifndef OPENSSL_NO_NEXTPROTONEG
644 const char *next_proto_neg_in = NULL;
645 const char *alpn_in = NULL;
647 # define MAX_SI_TYPES 100
648 unsigned short serverinfo_types[MAX_SI_TYPES];
649 int serverinfo_types_count = 0;
651 char *sess_in = NULL;
652 char *sess_out = NULL;
653 struct sockaddr peer;
654 int peerlen = sizeof(peer);
655 int enable_timeouts = 0 ;
657 #ifndef OPENSSL_NO_JPAKE
658 static char *jpake_secret = NULL;
659 #define no_jpake !jpake_secret
663 #ifndef OPENSSL_NO_SRP
664 char * srppass = NULL;
665 int srp_lateuser = 0;
666 SRP_ARG srp_arg = {NULL,NULL,0,0,0,1024};
668 SSL_EXCERT *exc = NULL;
670 SSL_CONF_CTX *cctx = NULL;
671 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
673 char *crl_file = NULL;
674 int crl_format = FORMAT_PEM;
675 int crl_download = 0;
676 STACK_OF(X509_CRL) *crls = NULL;
678 meth=SSLv23_client_method();
689 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
691 if (!load_config(bio_err, NULL))
694 cctx = SSL_CONF_CTX_new();
697 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT);
698 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CMDLINE);
700 if ( ((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
701 ((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
702 ((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL))
704 BIO_printf(bio_err,"out of memory\n");
709 verify_error=X509_V_OK;
718 if (strcmp(*argv,"-host") == 0)
720 if (--argc < 1) goto bad;
723 else if (strcmp(*argv,"-port") == 0)
725 if (--argc < 1) goto bad;
726 port=atoi(*(++argv));
727 if (port == 0) goto bad;
729 else if (strcmp(*argv,"-connect") == 0)
731 if (--argc < 1) goto bad;
732 if (!extract_host_port(*(++argv),&host,NULL,&port))
735 else if (strcmp(*argv,"-verify") == 0)
737 verify=SSL_VERIFY_PEER;
738 if (--argc < 1) goto bad;
739 verify_depth=atoi(*(++argv));
741 BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
743 else if (strcmp(*argv,"-cert") == 0)
745 if (--argc < 1) goto bad;
746 cert_file= *(++argv);
748 else if (strcmp(*argv,"-CRL") == 0)
750 if (--argc < 1) goto bad;
753 else if (strcmp(*argv,"-crl_download") == 0)
755 else if (strcmp(*argv,"-sess_out") == 0)
757 if (--argc < 1) goto bad;
758 sess_out = *(++argv);
760 else if (strcmp(*argv,"-sess_in") == 0)
762 if (--argc < 1) goto bad;
765 else if (strcmp(*argv,"-certform") == 0)
767 if (--argc < 1) goto bad;
768 cert_format = str2fmt(*(++argv));
770 else if (strcmp(*argv,"-CRLform") == 0)
772 if (--argc < 1) goto bad;
773 crl_format = str2fmt(*(++argv));
775 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
781 else if (strcmp(*argv,"-verify_return_error") == 0)
782 verify_return_error = 1;
783 else if (strcmp(*argv,"-verify_quiet") == 0)
785 else if (strcmp(*argv,"-brief") == 0)
791 else if (args_excert(&argv, &argc, &badarg, bio_err, &exc))
797 else if (args_ssl(&argv, &argc, cctx, &badarg, bio_err, &ssl_args))
803 else if (strcmp(*argv,"-prexit") == 0)
805 else if (strcmp(*argv,"-crlf") == 0)
807 else if (strcmp(*argv,"-quiet") == 0)
812 else if (strcmp(*argv,"-ign_eof") == 0)
814 else if (strcmp(*argv,"-no_ign_eof") == 0)
816 else if (strcmp(*argv,"-pause") == 0)
818 else if (strcmp(*argv,"-debug") == 0)
820 #ifndef OPENSSL_NO_TLSEXT
821 else if (strcmp(*argv,"-tlsextdebug") == 0)
823 else if (strcmp(*argv,"-status") == 0)
825 else if (strcmp(*argv,"-proof_debug") == 0)
829 else if (strcmp(*argv,"-wdebug") == 0)
832 else if (strcmp(*argv,"-msg") == 0)
834 else if (strcmp(*argv,"-msgfile") == 0)
836 if (--argc < 1) goto bad;
837 bio_c_msg = BIO_new_file(*(++argv), "w");
839 #ifndef OPENSSL_NO_SSL_TRACE
840 else if (strcmp(*argv,"-trace") == 0)
843 else if (strcmp(*argv,"-showcerts") == 0)
845 else if (strcmp(*argv,"-nbio_test") == 0)
847 else if (strcmp(*argv,"-state") == 0)
849 #ifndef OPENSSL_NO_PSK
850 else if (strcmp(*argv,"-psk_identity") == 0)
852 if (--argc < 1) goto bad;
853 psk_identity=*(++argv);
855 else if (strcmp(*argv,"-psk") == 0)
859 if (--argc < 1) goto bad;
861 for (j = 0; j < strlen(psk_key); j++)
863 if (isxdigit((unsigned char)psk_key[j]))
865 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
870 #ifndef OPENSSL_NO_SRP
871 else if (strcmp(*argv,"-srpuser") == 0)
873 if (--argc < 1) goto bad;
874 srp_arg.srplogin= *(++argv);
875 meth=TLSv1_client_method();
877 else if (strcmp(*argv,"-srppass") == 0)
879 if (--argc < 1) goto bad;
881 meth=TLSv1_client_method();
883 else if (strcmp(*argv,"-srp_strength") == 0)
885 if (--argc < 1) goto bad;
886 srp_arg.strength=atoi(*(++argv));
887 BIO_printf(bio_err,"SRP minimal length for N is %d\n",srp_arg.strength);
888 meth=TLSv1_client_method();
890 else if (strcmp(*argv,"-srp_lateuser") == 0)
893 meth=TLSv1_client_method();
895 else if (strcmp(*argv,"-srp_moregroups") == 0)
898 meth=TLSv1_client_method();
901 #ifndef OPENSSL_NO_SSL2
902 else if (strcmp(*argv,"-ssl2") == 0)
903 meth=SSLv2_client_method();
905 #ifndef OPENSSL_NO_SSL3
906 else if (strcmp(*argv,"-ssl3") == 0)
907 meth=SSLv3_client_method();
909 #ifndef OPENSSL_NO_TLS1
910 else if (strcmp(*argv,"-tls1_2") == 0)
911 meth=TLSv1_2_client_method();
912 else if (strcmp(*argv,"-tls1_1") == 0)
913 meth=TLSv1_1_client_method();
914 else if (strcmp(*argv,"-tls1") == 0)
915 meth=TLSv1_client_method();
917 #ifndef OPENSSL_NO_DTLS1
918 else if (strcmp(*argv,"-dtls") == 0)
920 meth=DTLS_client_method();
921 socket_type=SOCK_DGRAM;
923 else if (strcmp(*argv,"-dtls1") == 0)
925 meth=DTLSv1_client_method();
926 socket_type=SOCK_DGRAM;
928 else if (strcmp(*argv,"-dtls1_2") == 0)
930 meth=DTLSv1_2_client_method();
931 socket_type=SOCK_DGRAM;
933 else if (strcmp(*argv,"-timeout") == 0)
935 else if (strcmp(*argv,"-mtu") == 0)
937 if (--argc < 1) goto bad;
938 socket_mtu = atol(*(++argv));
941 else if (strcmp(*argv,"-keyform") == 0)
943 if (--argc < 1) goto bad;
944 key_format = str2fmt(*(++argv));
946 else if (strcmp(*argv,"-pass") == 0)
948 if (--argc < 1) goto bad;
951 else if (strcmp(*argv,"-cert_chain") == 0)
953 if (--argc < 1) goto bad;
954 chain_file= *(++argv);
956 else if (strcmp(*argv,"-key") == 0)
958 if (--argc < 1) goto bad;
961 else if (strcmp(*argv,"-reconnect") == 0)
965 else if (strcmp(*argv,"-CApath") == 0)
967 if (--argc < 1) goto bad;
970 else if (strcmp(*argv,"-chainCApath") == 0)
972 if (--argc < 1) goto bad;
975 else if (strcmp(*argv,"-verifyCApath") == 0)
977 if (--argc < 1) goto bad;
978 vfyCApath= *(++argv);
980 else if (strcmp(*argv,"-build_chain") == 0)
982 else if (strcmp(*argv,"-CAfile") == 0)
984 if (--argc < 1) goto bad;
987 else if (strcmp(*argv,"-chainCAfile") == 0)
989 if (--argc < 1) goto bad;
992 else if (strcmp(*argv,"-verifyCAfile") == 0)
994 if (--argc < 1) goto bad;
995 vfyCAfile= *(++argv);
997 #ifndef OPENSSL_NO_TLSEXT
998 # ifndef OPENSSL_NO_NEXTPROTONEG
999 else if (strcmp(*argv,"-nextprotoneg") == 0)
1001 if (--argc < 1) goto bad;
1002 next_proto_neg_in = *(++argv);
1004 else if (strcmp(*argv,"-alpn") == 0)
1006 if (--argc < 1) goto bad;
1007 alpn_in = *(++argv);
1010 else if (strcmp(*argv,"-serverinfo") == 0)
1016 if (--argc < 1) goto bad;
1018 serverinfo_types_count = 0;
1020 for (i = 0; i <= len; ++i)
1022 if (i == len || c[i] == ',')
1024 serverinfo_types[serverinfo_types_count]
1026 serverinfo_types_count++;
1029 if (serverinfo_types_count == MAX_SI_TYPES)
1035 else if (strcmp(*argv,"-nbio") == 0)
1038 else if (strcmp(*argv,"-starttls") == 0)
1040 if (--argc < 1) goto bad;
1042 if (strcmp(*argv,"smtp") == 0)
1043 starttls_proto = PROTO_SMTP;
1044 else if (strcmp(*argv,"pop3") == 0)
1045 starttls_proto = PROTO_POP3;
1046 else if (strcmp(*argv,"imap") == 0)
1047 starttls_proto = PROTO_IMAP;
1048 else if (strcmp(*argv,"ftp") == 0)
1049 starttls_proto = PROTO_FTP;
1050 else if (strcmp(*argv, "xmpp") == 0)
1051 starttls_proto = PROTO_XMPP;
1055 #ifndef OPENSSL_NO_ENGINE
1056 else if (strcmp(*argv,"-engine") == 0)
1058 if (--argc < 1) goto bad;
1059 engine_id = *(++argv);
1061 else if (strcmp(*argv,"-ssl_client_engine") == 0)
1063 if (--argc < 1) goto bad;
1064 ssl_client_engine_id = *(++argv);
1067 else if (strcmp(*argv,"-rand") == 0)
1069 if (--argc < 1) goto bad;
1072 #ifndef OPENSSL_NO_TLSEXT
1073 else if (strcmp(*argv,"-servername") == 0)
1075 if (--argc < 1) goto bad;
1076 servername= *(++argv);
1077 /* meth=TLSv1_client_method(); */
1080 #ifndef OPENSSL_NO_JPAKE
1081 else if (strcmp(*argv,"-jpake") == 0)
1083 if (--argc < 1) goto bad;
1084 jpake_secret = *++argv;
1087 else if (strcmp(*argv,"-use_srtp") == 0)
1089 if (--argc < 1) goto bad;
1090 srtp_profiles = *(++argv);
1092 else if (strcmp(*argv,"-keymatexport") == 0)
1094 if (--argc < 1) goto bad;
1095 keymatexportlabel= *(++argv);
1097 else if (strcmp(*argv,"-keymatexportlen") == 0)
1099 if (--argc < 1) goto bad;
1100 keymatexportlen=atoi(*(++argv));
1101 if (keymatexportlen == 0) goto bad;
1105 BIO_printf(bio_err,"unknown option %s\n",*argv);
1119 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1125 "Can't use JPAKE and PSK together\n");
1128 psk_identity = "JPAKE";
1132 OpenSSL_add_ssl_algorithms();
1133 SSL_load_error_strings();
1135 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
1136 next_proto.status = -1;
1137 if (next_proto_neg_in)
1139 next_proto.data = next_protos_parse(&next_proto.len, next_proto_neg_in);
1140 if (next_proto.data == NULL)
1142 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n");
1147 next_proto.data = NULL;
1150 #ifndef OPENSSL_NO_ENGINE
1151 e = setup_engine(bio_err, engine_id, 1);
1152 if (ssl_client_engine_id)
1154 ssl_client_engine = ENGINE_by_id(ssl_client_engine_id);
1155 if (!ssl_client_engine)
1158 "Error getting client auth engine\n");
1164 if (!app_passwd(bio_err, passarg, NULL, &pass, NULL))
1166 BIO_printf(bio_err, "Error getting password\n");
1170 if (key_file == NULL)
1171 key_file = cert_file;
1178 key = load_key(bio_err, key_file, key_format, 0, pass, e,
1179 "client certificate private key file");
1182 ERR_print_errors(bio_err);
1191 cert = load_cert(bio_err,cert_file,cert_format,
1192 NULL, e, "client certificate file");
1196 ERR_print_errors(bio_err);
1203 chain = load_certs(bio_err, chain_file,FORMAT_PEM,
1204 NULL, e, "client certificate chain");
1212 crl = load_crl(crl_file, crl_format);
1215 BIO_puts(bio_err, "Error loading CRL\n");
1216 ERR_print_errors(bio_err);
1219 crls = sk_X509_CRL_new_null();
1220 if (!crls || !sk_X509_CRL_push(crls, crl))
1222 BIO_puts(bio_err, "Error adding CRL\n");
1223 ERR_print_errors(bio_err);
1229 if (!load_excert(&exc, bio_err))
1232 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1235 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
1238 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
1239 app_RAND_load_files(inrand));
1241 if (bio_c_out == NULL)
1243 if (c_quiet && !c_debug)
1245 bio_c_out=BIO_new(BIO_s_null());
1246 if (c_msg && !bio_c_msg)
1247 bio_c_msg=BIO_new_fp(stdout,BIO_NOCLOSE);
1251 if (bio_c_out == NULL)
1252 bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE);
1256 #ifndef OPENSSL_NO_SRP
1257 if(!app_passwd(bio_err, srppass, NULL, &srp_arg.srppassin, NULL))
1259 BIO_printf(bio_err, "Error getting password\n");
1264 ctx=SSL_CTX_new(meth);
1267 ERR_print_errors(bio_err);
1272 SSL_CTX_set1_param(ctx, vpm);
1274 if (!args_ssl_call(ctx, bio_err, cctx, ssl_args, 1, no_jpake))
1276 ERR_print_errors(bio_err);
1280 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1281 crls, crl_download))
1283 BIO_printf(bio_err, "Error loading store locations\n");
1284 ERR_print_errors(bio_err);
1288 #ifndef OPENSSL_NO_ENGINE
1289 if (ssl_client_engine)
1291 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine))
1293 BIO_puts(bio_err, "Error setting client auth engine\n");
1294 ERR_print_errors(bio_err);
1295 ENGINE_free(ssl_client_engine);
1298 ENGINE_free(ssl_client_engine);
1302 #ifndef OPENSSL_NO_PSK
1303 #ifdef OPENSSL_NO_JPAKE
1304 if (psk_key != NULL)
1306 if (psk_key != NULL || jpake_secret)
1310 BIO_printf(bio_c_out, "PSK key given or JPAKE in use, setting client callback\n");
1311 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
1313 if (srtp_profiles != NULL)
1314 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1316 if (exc) ssl_ctx_set_excert(ctx, exc);
1317 /* DTLS: partial reads end up discarding unread UDP bytes :-(
1318 * Setting read ahead solves this problem.
1320 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1322 #if !defined(OPENSSL_NO_TLSEXT)
1323 # if !defined(OPENSSL_NO_NEXTPROTONEG)
1324 if (next_proto.data)
1325 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
1329 unsigned short alpn_len;
1330 unsigned char *alpn = next_protos_parse(&alpn_len, alpn_in);
1334 BIO_printf(bio_err, "Error parsing -alpn argument\n");
1337 SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len);
1341 #ifndef OPENSSL_NO_TLSEXT
1342 if (serverinfo_types_count)
1344 for (i = 0; i < serverinfo_types_count; i++)
1346 SSL_CTX_set_custom_cli_ext(ctx,
1347 serverinfo_types[i],
1355 if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1358 SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER"));
1361 SSL_CTX_set_verify(ctx,verify,verify_callback);
1363 if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
1364 (!SSL_CTX_set_default_verify_paths(ctx)))
1366 /* BIO_printf(bio_err,"error setting default verify locations\n"); */
1367 ERR_print_errors(bio_err);
1371 ssl_ctx_add_crls(ctx, crls, crl_download);
1372 if (!set_cert_key_stuff(ctx,cert,key,chain,build_chain))
1375 #ifndef OPENSSL_NO_TLSEXT
1376 if (servername != NULL)
1378 tlsextcbp.biodebug = bio_err;
1379 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1380 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1382 #ifndef OPENSSL_NO_SRP
1383 if (srp_arg.srplogin)
1385 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin))
1387 BIO_printf(bio_err,"Unable to set SRP username\n");
1390 srp_arg.msg = c_msg;
1391 srp_arg.debug = c_debug ;
1392 SSL_CTX_set_srp_cb_arg(ctx,&srp_arg);
1393 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb);
1394 SSL_CTX_set_srp_strength(ctx, srp_arg.strength);
1395 if (c_msg || c_debug || srp_arg.amp == 0)
1396 SSL_CTX_set_srp_verify_param_callback(ctx, ssl_srp_verify_param_cb);
1401 SSL_CTX_set_tlsext_authz_server_audit_proof_cb(ctx,
1409 BIO *stmp = BIO_new_file(sess_in, "r");
1412 BIO_printf(bio_err, "Can't open session file %s\n",
1414 ERR_print_errors(bio_err);
1417 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1421 BIO_printf(bio_err, "Can't open session file %s\n",
1423 ERR_print_errors(bio_err);
1426 SSL_set_session(con, sess);
1427 SSL_SESSION_free(sess);
1429 #ifndef OPENSSL_NO_DANE
1430 SSL_pull_tlsa_record(con,host,port);
1432 #ifndef OPENSSL_NO_TLSEXT
1433 if (servername != NULL)
1435 if (!SSL_set_tlsext_host_name(con,servername))
1437 BIO_printf(bio_err,"Unable to set TLS servername extension.\n");
1438 ERR_print_errors(bio_err);
1443 #ifndef OPENSSL_NO_KRB5
1444 if (con && (kctx = kssl_ctx_new()) != NULL)
1446 SSL_set0_kssl_ctx(con, kctx);
1447 kssl_ctx_setstring(kctx, KSSL_SERVER, host);
1449 #endif /* OPENSSL_NO_KRB5 */
1450 /* SSL_set_cipher_list(con,"RC4-MD5"); */
1452 #ifdef TLSEXT_TYPE_opaque_prf_input
1453 SSL_set_tlsext_opaque_prf_input(con, "Test client", 11);
1459 if (init_client(&s,host,port,socket_type) == 0)
1461 BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error());
1465 BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s);
1471 BIO_printf(bio_c_out,"turning on non blocking io\n");
1472 if (BIO_socket_ioctl(s,FIONBIO,&l) < 0)
1474 ERR_print_errors(bio_err);
1479 if (c_Pause & 0x01) SSL_set_debug(con, 1);
1481 if (socket_type == SOCK_DGRAM)
1484 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
1485 if (getsockname(s, &peer, (void *)&peerlen) < 0)
1487 BIO_printf(bio_err, "getsockname:errno=%d\n",
1488 get_last_socket_error());
1493 (void)BIO_ctrl_set_connected(sbio, 1, &peer);
1495 if (enable_timeouts)
1498 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1499 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1502 timeout.tv_usec = DGRAM_SND_TIMEOUT;
1503 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1506 if (socket_mtu > 28)
1508 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1509 SSL_set_mtu(con, socket_mtu - 28);
1512 /* want to do MTU discovery */
1513 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1516 sbio=BIO_new_socket(s,BIO_NOCLOSE);
1522 test=BIO_new(BIO_f_nbio_test());
1523 sbio=BIO_push(test,sbio);
1528 SSL_set_debug(con, 1);
1529 BIO_set_callback(sbio,bio_dump_callback);
1530 BIO_set_callback_arg(sbio,(char *)bio_c_out);
1534 #ifndef OPENSSL_NO_SSL_TRACE
1536 SSL_set_msg_callback(con, SSL_trace);
1539 SSL_set_msg_callback(con, msg_cb);
1540 SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out);
1542 #ifndef OPENSSL_NO_TLSEXT
1545 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1546 SSL_set_tlsext_debug_arg(con, bio_c_out);
1550 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
1551 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
1552 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
1555 STACK_OF(OCSP_RESPID) *ids = sk_OCSP_RESPID_new_null();
1556 OCSP_RESPID *id = OCSP_RESPID_new();
1557 id->value.byKey = ASN1_OCTET_STRING_new();
1558 id->type = V_OCSP_RESPID_KEY;
1559 ASN1_STRING_set(id->value.byKey, "Hello World", -1);
1560 sk_OCSP_RESPID_push(ids, id);
1561 SSL_set_tlsext_status_ids(con, ids);
1566 #ifndef OPENSSL_NO_JPAKE
1568 jpake_client_auth(bio_c_out, sbio, jpake_secret);
1571 SSL_set_bio(con,sbio,sbio);
1572 SSL_set_connect_state(con);
1574 /* ok, lets connect */
1575 width=SSL_get_fd(con)+1;
1588 /* This is an ugly hack that does a lot of assumptions */
1589 /* We do have to handle multi-line responses which may come
1590 in a single packet or not. We therefore have to use
1591 BIO_gets() which does need a buffering BIO. So during
1592 the initial chitchat we do push a buffering BIO into the
1593 chain that is removed again later on to not disturb the
1594 rest of the s_client operation. */
1595 if (starttls_proto == PROTO_SMTP)
1598 BIO *fbio = BIO_new(BIO_f_buffer());
1599 BIO_push(fbio, sbio);
1600 /* wait for multi-line response to end from SMTP */
1603 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1605 while (mbuf_len>3 && mbuf[3]=='-');
1606 /* STARTTLS command requires EHLO... */
1607 BIO_printf(fbio,"EHLO openssl.client.net\r\n");
1608 (void)BIO_flush(fbio);
1609 /* wait for multi-line response to end EHLO SMTP response */
1612 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1613 if (strstr(mbuf,"STARTTLS"))
1616 while (mbuf_len>3 && mbuf[3]=='-');
1617 (void)BIO_flush(fbio);
1622 "didn't found starttls in server response,"
1623 " try anyway...\n");
1624 BIO_printf(sbio,"STARTTLS\r\n");
1625 BIO_read(sbio,sbuf,BUFSIZZ);
1627 else if (starttls_proto == PROTO_POP3)
1629 BIO_read(sbio,mbuf,BUFSIZZ);
1630 BIO_printf(sbio,"STLS\r\n");
1631 BIO_read(sbio,sbuf,BUFSIZZ);
1633 else if (starttls_proto == PROTO_IMAP)
1636 BIO *fbio = BIO_new(BIO_f_buffer());
1637 BIO_push(fbio, sbio);
1638 BIO_gets(fbio,mbuf,BUFSIZZ);
1639 /* STARTTLS command requires CAPABILITY... */
1640 BIO_printf(fbio,". CAPABILITY\r\n");
1641 (void)BIO_flush(fbio);
1642 /* wait for multi-line CAPABILITY response */
1645 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1646 if (strstr(mbuf,"STARTTLS"))
1649 while (mbuf_len>3 && mbuf[0]!='.');
1650 (void)BIO_flush(fbio);
1655 "didn't found STARTTLS in server response,"
1656 " try anyway...\n");
1657 BIO_printf(sbio,". STARTTLS\r\n");
1658 BIO_read(sbio,sbuf,BUFSIZZ);
1660 else if (starttls_proto == PROTO_FTP)
1662 BIO *fbio = BIO_new(BIO_f_buffer());
1663 BIO_push(fbio, sbio);
1664 /* wait for multi-line response to end from FTP */
1667 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1669 while (mbuf_len>3 && mbuf[3]=='-');
1670 (void)BIO_flush(fbio);
1673 BIO_printf(sbio,"AUTH TLS\r\n");
1674 BIO_read(sbio,sbuf,BUFSIZZ);
1676 if (starttls_proto == PROTO_XMPP)
1679 BIO_printf(sbio,"<stream:stream "
1680 "xmlns:stream='http://etherx.jabber.org/streams' "
1681 "xmlns='jabber:client' to='%s' version='1.0'>", host);
1682 seen = BIO_read(sbio,mbuf,BUFSIZZ);
1684 while (!strstr(mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'"))
1686 if (strstr(mbuf, "/stream:features>"))
1688 seen = BIO_read(sbio,mbuf,BUFSIZZ);
1691 BIO_printf(sbio, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
1692 seen = BIO_read(sbio,sbuf,BUFSIZZ);
1694 if (!strstr(sbuf, "<proceed"))
1704 if ((SSL_version(con) == DTLS1_VERSION) &&
1705 DTLSv1_get_timeout(con, &timeout))
1706 timeoutp = &timeout;
1710 if (SSL_in_init(con) && !SSL_total_renegotiations(con))
1721 #if 0 /* This test doesn't really work as intended (needs to be fixed) */
1722 #ifndef OPENSSL_NO_TLSEXT
1723 if (servername != NULL && !SSL_session_reused(con))
1725 BIO_printf(bio_c_out,"Server did %sacknowledge servername extension.\n",tlsextcbp.ack?"":"not ");
1731 BIO *stmp = BIO_new_file(sess_out, "w");
1734 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));
1738 BIO_printf(bio_err, "Error writing session file %s\n", sess_out);
1743 "CONNECTION ESTABLISHED\n");
1744 print_ssl_summary(bio_err, con);
1746 print_stuff(bio_c_out,con,full_log);
1747 if (full_log > 0) full_log--;
1751 BIO_printf(bio_err,"%s",mbuf);
1752 /* We don't need to know any more */
1753 starttls_proto = PROTO_OFF;
1759 BIO_printf(bio_c_out,"drop connection and then reconnect\n");
1761 SSL_set_connect_state(con);
1762 SHUTDOWN(SSL_get_fd(con));
1768 ssl_pending = read_ssl && SSL_pending(con);
1772 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined (OPENSSL_SYS_BEOS_R5)
1775 if (read_tty) openssl_fdset(fileno(stdin),&readfds);
1776 if (write_tty) openssl_fdset(fileno(stdout),&writefds);
1779 openssl_fdset(SSL_get_fd(con),&readfds);
1781 openssl_fdset(SSL_get_fd(con),&writefds);
1783 if(!tty_on || !write_tty) {
1785 openssl_fdset(SSL_get_fd(con),&readfds);
1787 openssl_fdset(SSL_get_fd(con),&writefds);
1790 /* printf("mode tty(%d %d%d) ssl(%d%d)\n",
1791 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
1793 /* Note: under VMS with SOCKETSHR the second parameter
1794 * is currently of type (int *) whereas under other
1795 * systems it is (void *) if you don't have a cast it
1796 * will choke the compiler: if you do have a cast then
1797 * you can either go for (int *) or (void *).
1799 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1800 /* Under Windows/DOS we make the assumption that we can
1801 * always write to the tty: therefore if we need to
1802 * write to the tty we just fall through. Otherwise
1803 * we timeout the select every second and see if there
1804 * are any keypresses. Note: this is a hack, in a proper
1805 * Windows application we wouldn't do this.
1812 i=select(width,(void *)&readfds,(void *)&writefds,
1814 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1815 if(!i && (!_kbhit() || !read_tty) ) continue;
1817 if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue;
1819 } else i=select(width,(void *)&readfds,(void *)&writefds,
1822 #elif defined(OPENSSL_SYS_NETWARE)
1827 i=select(width,(void *)&readfds,(void *)&writefds,
1829 } else i=select(width,(void *)&readfds,(void *)&writefds,
1832 #elif defined(OPENSSL_SYS_BEOS_R5)
1833 /* Under BeOS-R5 the situation is similar to DOS */
1836 (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
1841 i=select(width,(void *)&readfds,(void *)&writefds,
1843 if (read(fileno(stdin), sbuf, 0) >= 0)
1845 if (!i && (stdin_set != 1 || !read_tty))
1847 } else i=select(width,(void *)&readfds,(void *)&writefds,
1850 (void)fcntl(fileno(stdin), F_SETFL, 0);
1852 i=select(width,(void *)&readfds,(void *)&writefds,
1857 BIO_printf(bio_err,"bad select %d\n",
1858 get_last_socket_error());
1864 if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
1866 BIO_printf(bio_err,"TIMEOUT occured\n");
1869 if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds))
1871 k=SSL_write(con,&(cbuf[cbuf_off]),
1872 (unsigned int)cbuf_len);
1873 switch (SSL_get_error(con,k))
1875 case SSL_ERROR_NONE:
1878 if (k <= 0) goto end;
1879 /* we have done a write(con,NULL,0); */
1885 else /* if (cbuf_len > 0) */
1891 case SSL_ERROR_WANT_WRITE:
1892 BIO_printf(bio_c_out,"write W BLOCK\n");
1896 case SSL_ERROR_WANT_READ:
1897 BIO_printf(bio_c_out,"write R BLOCK\n");
1902 case SSL_ERROR_WANT_X509_LOOKUP:
1903 BIO_printf(bio_c_out,"write X BLOCK\n");
1905 case SSL_ERROR_ZERO_RETURN:
1908 BIO_printf(bio_c_out,"shutdown\n");
1919 case SSL_ERROR_SYSCALL:
1920 if ((k != 0) || (cbuf_len != 0))
1922 BIO_printf(bio_err,"write:errno=%d\n",
1923 get_last_socket_error());
1933 ERR_print_errors(bio_err);
1937 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
1938 /* Assume Windows/DOS/BeOS can always write */
1939 else if (!ssl_pending && write_tty)
1941 else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds))
1944 #ifdef CHARSET_EBCDIC
1945 ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len);
1947 i=raw_write_stdout(&(sbuf[sbuf_off]),sbuf_len);
1951 BIO_printf(bio_c_out,"DONE\n");
1965 else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds))
1968 { static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } }
1971 k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ );
1973 /* Demo for pending and peek :-) */
1974 k=SSL_read(con,sbuf,16);
1976 printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240));
1980 switch (SSL_get_error(con,k))
1982 case SSL_ERROR_NONE:
1991 case SSL_ERROR_WANT_WRITE:
1992 BIO_printf(bio_c_out,"read W BLOCK\n");
1996 case SSL_ERROR_WANT_READ:
1997 BIO_printf(bio_c_out,"read R BLOCK\n");
2000 if ((read_tty == 0) && (write_ssl == 0))
2003 case SSL_ERROR_WANT_X509_LOOKUP:
2004 BIO_printf(bio_c_out,"read X BLOCK\n");
2006 case SSL_ERROR_SYSCALL:
2007 ret=get_last_socket_error();
2009 BIO_puts(bio_err, "CONNECTION CLOSED BY SERVER\n");
2011 BIO_printf(bio_err,"read:errno=%d\n",ret);
2013 case SSL_ERROR_ZERO_RETURN:
2014 BIO_printf(bio_c_out,"closed\n");
2018 ERR_print_errors(bio_err);
2024 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2025 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
2028 else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
2030 #elif defined (OPENSSL_SYS_NETWARE)
2032 #elif defined(OPENSSL_SYS_BEOS_R5)
2035 else if (FD_ISSET(fileno(stdin),&readfds))
2042 i=raw_read_stdin(cbuf,BUFSIZZ/2);
2044 /* both loops are skipped when i <= 0 */
2045 for (j = 0; j < i; j++)
2046 if (cbuf[j] == '\n')
2048 for (j = i-1; j >= 0; j--)
2050 cbuf[j+lf_num] = cbuf[j];
2051 if (cbuf[j] == '\n')
2055 cbuf[j+lf_num] = '\r';
2058 assert(lf_num == 0);
2061 i=raw_read_stdin(cbuf,BUFSIZZ);
2063 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q')))
2065 BIO_printf(bio_err,"DONE\n");
2070 if ((!c_ign_eof) && (cbuf[0] == 'R'))
2072 BIO_printf(bio_err,"RENEGOTIATING\n");
2073 SSL_renegotiate(con);
2076 #ifndef OPENSSL_NO_HEARTBEATS
2077 else if ((!c_ign_eof) && (cbuf[0] == 'B'))
2079 BIO_printf(bio_err,"HEARTBEATING\n");
2088 #ifdef CHARSET_EBCDIC
2089 ebcdic2ascii(cbuf, cbuf, i);
2101 print_stuff(bio_c_out,con,full_log);
2103 SHUTDOWN(SSL_get_fd(con));
2108 print_stuff(bio_c_out,con,1);
2111 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2112 if (next_proto.data)
2113 OPENSSL_free(next_proto.data);
2115 if (ctx != NULL) SSL_CTX_free(ctx);
2119 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2123 sk_X509_pop_free(chain, X509_free);
2127 X509_VERIFY_PARAM_free(vpm);
2128 ssl_excert_free(exc);
2130 sk_OPENSSL_STRING_free(ssl_args);
2132 SSL_CONF_CTX_free(cctx);
2133 #ifndef OPENSSL_NO_JPAKE
2134 if (jpake_secret && psk_key)
2135 OPENSSL_free(psk_key);
2137 if (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); }
2138 if (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); }
2139 if (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); }
2140 if (bio_c_out != NULL)
2142 BIO_free(bio_c_out);
2145 if (bio_c_msg != NULL)
2147 BIO_free(bio_c_msg);
2155 static void print_stuff(BIO *bio, SSL *s, int full)
2159 static const char *space=" ";
2162 STACK_OF(X509_NAME) *sk2;
2163 const SSL_CIPHER *c;
2166 #ifndef OPENSSL_NO_COMP
2167 const COMP_METHOD *comp, *expansion;
2169 unsigned char *exportedkeymat;
2173 int got_a_chain = 0;
2175 sk=SSL_get_peer_cert_chain(s);
2178 got_a_chain = 1; /* we don't have it for SSL2 (yet) */
2180 BIO_printf(bio,"---\nCertificate chain\n");
2181 for (i=0; i<sk_X509_num(sk); i++)
2183 X509_NAME_oneline(X509_get_subject_name(
2184 sk_X509_value(sk,i)),buf,sizeof buf);
2185 BIO_printf(bio,"%2d s:%s\n",i,buf);
2186 X509_NAME_oneline(X509_get_issuer_name(
2187 sk_X509_value(sk,i)),buf,sizeof buf);
2188 BIO_printf(bio," i:%s\n",buf);
2190 PEM_write_bio_X509(bio,sk_X509_value(sk,i));
2194 BIO_printf(bio,"---\n");
2195 peer=SSL_get_peer_certificate(s);
2198 BIO_printf(bio,"Server certificate\n");
2199 if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */
2200 PEM_write_bio_X509(bio,peer);
2201 X509_NAME_oneline(X509_get_subject_name(peer),
2203 BIO_printf(bio,"subject=%s\n",buf);
2204 X509_NAME_oneline(X509_get_issuer_name(peer),
2206 BIO_printf(bio,"issuer=%s\n",buf);
2209 BIO_printf(bio,"no peer certificate available\n");
2211 sk2=SSL_get_client_CA_list(s);
2212 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0))
2214 BIO_printf(bio,"---\nAcceptable client certificate CA names\n");
2215 for (i=0; i<sk_X509_NAME_num(sk2); i++)
2217 xn=sk_X509_NAME_value(sk2,i);
2218 X509_NAME_oneline(xn,buf,sizeof(buf));
2219 BIO_write(bio,buf,strlen(buf));
2220 BIO_write(bio,"\n",1);
2225 BIO_printf(bio,"---\nNo client certificate CA names sent\n");
2227 p=SSL_get_shared_ciphers(s,buf,sizeof buf);
2230 /* This works only for SSL 2. In later protocol
2231 * versions, the client does not know what other
2232 * ciphers (in addition to the one to be used
2233 * in the current connection) the server supports. */
2235 BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n");
2241 BIO_write(bio,space,15-j%25);
2244 BIO_write(bio,((i%3)?" ":"\n"),1);
2253 BIO_write(bio,"\n",1);
2256 ssl_print_sigalgs(bio, s);
2257 ssl_print_tmp_key(bio, s);
2259 BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n",
2260 BIO_number_read(SSL_get_rbio(s)),
2261 BIO_number_written(SSL_get_wbio(s)));
2263 BIO_printf(bio,(SSL_cache_hit(s)?"---\nReused, ":"---\nNew, "));
2264 c=SSL_get_current_cipher(s);
2265 BIO_printf(bio,"%s, Cipher is %s\n",
2266 SSL_CIPHER_get_version(c),
2267 SSL_CIPHER_get_name(c));
2270 pktmp = X509_get_pubkey(peer);
2271 BIO_printf(bio,"Server public key is %d bit\n",
2272 EVP_PKEY_bits(pktmp));
2273 EVP_PKEY_free(pktmp);
2275 BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
2276 SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
2277 #ifndef OPENSSL_NO_COMP
2278 comp=SSL_get_current_compression(s);
2279 expansion=SSL_get_current_expansion(s);
2280 BIO_printf(bio,"Compression: %s\n",
2281 comp ? SSL_COMP_get_name(comp) : "NONE");
2282 BIO_printf(bio,"Expansion: %s\n",
2283 expansion ? SSL_COMP_get_name(expansion) : "NONE");
2288 /* Print out local port of connection: useful for debugging */
2290 struct sockaddr_in ladd;
2291 socklen_t ladd_size = sizeof(ladd);
2292 sock = SSL_get_fd(s);
2293 getsockname(sock, (struct sockaddr *)&ladd, &ladd_size);
2294 BIO_printf(bio_c_out, "LOCAL PORT is %u\n", ntohs(ladd.sin_port));
2298 #if !defined(OPENSSL_NO_TLSEXT)
2299 # if !defined(OPENSSL_NO_NEXTPROTONEG)
2300 if (next_proto.status != -1) {
2301 const unsigned char *proto;
2302 unsigned int proto_len;
2303 SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
2304 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
2305 BIO_write(bio, proto, proto_len);
2306 BIO_write(bio, "\n", 1);
2309 const unsigned char *proto;
2310 unsigned int proto_len;
2311 SSL_get0_alpn_selected(s, &proto, &proto_len);
2314 BIO_printf(bio, "ALPN protocol: ");
2315 BIO_write(bio, proto, proto_len);
2316 BIO_write(bio, "\n", 1);
2319 BIO_printf(bio, "No ALPN negotiated\n");
2325 SRTP_PROTECTION_PROFILE *srtp_profile=SSL_get_selected_srtp_profile(s);
2328 BIO_printf(bio,"SRTP Extension negotiated, profile=%s\n",
2329 srtp_profile->name);
2332 SSL_SESSION_print(bio,SSL_get_session(s));
2333 if (keymatexportlabel != NULL)
2335 BIO_printf(bio, "Keying material exporter:\n");
2336 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel);
2337 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen);
2338 exportedkeymat = OPENSSL_malloc(keymatexportlen);
2339 if (exportedkeymat != NULL)
2341 if (!SSL_export_keying_material(s, exportedkeymat,
2344 strlen(keymatexportlabel),
2347 BIO_printf(bio, " Error\n");
2351 BIO_printf(bio, " Keying material: ");
2352 for (i=0; i<keymatexportlen; i++)
2353 BIO_printf(bio, "%02X",
2355 BIO_printf(bio, "\n");
2357 OPENSSL_free(exportedkeymat);
2360 BIO_printf(bio,"---\n");
2363 /* flush, or debugging output gets mixed with http response */
2364 (void)BIO_flush(bio);
2367 #ifndef OPENSSL_NO_TLSEXT
2369 static int ocsp_resp_cb(SSL *s, void *arg)
2371 const unsigned char *p;
2374 len = SSL_get_tlsext_status_ocsp_resp(s, &p);
2375 BIO_puts(arg, "OCSP response: ");
2378 BIO_puts(arg, "no response sent\n");
2381 rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
2384 BIO_puts(arg, "response parse error\n");
2385 BIO_dump_indent(arg, (char *)p, len, 4);
2388 BIO_puts(arg, "\n======================================\n");
2389 OCSP_RESPONSE_print(arg, rsp, 0);
2390 BIO_puts(arg, "======================================\n");
2391 OCSP_RESPONSE_free(rsp);
2395 static int audit_proof_cb(SSL *s, void *arg)
2397 const unsigned char *proof;
2400 SSL_SESSION *sess = SSL_get_session(s);
2402 proof = SSL_SESSION_get_tlsext_authz_server_audit_proof(sess,
2406 BIO_printf(bio_c_out, "Audit proof: ");
2407 for (i = 0; i < proof_len; ++i)
2408 BIO_printf(bio_c_out, "%02X", proof[i]);
2409 BIO_printf(bio_c_out, "\n");
2413 BIO_printf(bio_c_out, "No audit proof found.\n");