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free cleanup almost the finale
[thirdparty/openssl.git] / apps / s_client.c
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58964a49 1/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
d02b48c6
RE		 2 * All rights reserved.
3 *
4 * This package is an SSL implementation written
5 * by Eric Young (eay@cryptsoft.com).
6 * The implementation was written so as to conform with Netscapes SSL.
0f113f3e 7 *
d02b48c6
RE		 8 * This library is free for commercial and non-commercial use as long as
9 * the following conditions are aheared to. The following conditions
10 * apply to all code found in this distribution, be it the RC4, RSA,
11 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
12 * included with this distribution is covered by the same copyright terms
13 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
0f113f3e 14 *
d02b48c6
RE		 15 * Copyright remains Eric Young's, and as such any Copyright notices in
16 * the code are not to be removed.
17 * If this package is used in a product, Eric Young should be given attribution
18 * as the author of the parts of the library used.
19 * This can be in the form of a textual message at program startup or
20 * in documentation (online or textual) provided with the package.
0f113f3e 21 *
d02b48c6
RE		 22 * Redistribution and use in source and binary forms, with or without
23 * modification, are permitted provided that the following conditions
24 * are met:
25 * 1. Redistributions of source code must retain the copyright
26 * notice, this list of conditions and the following disclaimer.
27 * 2. Redistributions in binary form must reproduce the above copyright
28 * notice, this list of conditions and the following disclaimer in the
29 * documentation and/or other materials provided with the distribution.
30 * 3. All advertising materials mentioning features or use of this software
31 * must display the following acknowledgement:
32 * "This product includes cryptographic software written by
33 * Eric Young (eay@cryptsoft.com)"
34 * The word 'cryptographic' can be left out if the rouines from the library
35 * being used are not cryptographic related :-).
0f113f3e 36 * 4. If you include any Windows specific code (or a derivative thereof) from
d02b48c6
RE		 37 * the apps directory (application code) you must include an acknowledgement:
38 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
0f113f3e 39 *
d02b48c6
RE		 40 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
41 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
43 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
44 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
45 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
46 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
48 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
49 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
50 * SUCH DAMAGE.
0f113f3e 51 *
d02b48c6
RE		 52 * The licence and distribution terms for any publically available version or
53 * derivative of this code cannot be changed. i.e. this code cannot simply be
54 * copied and put under another distribution licence
55 * [including the GNU Public Licence.]
56 */
a661b653 57/* ====================================================================
b1277b99 58 * Copyright (c) 1998-2006 The OpenSSL Project. All rights reserved.
a661b653
BM		 59 *
60 * Redistribution and use in source and binary forms, with or without
61 * modification, are permitted provided that the following conditions
62 * are met:
63 *
64 * 1. Redistributions of source code must retain the above copyright
0f113f3e 65 * notice, this list of conditions and the following disclaimer.
a661b653
BM		 66 *
67 * 2. Redistributions in binary form must reproduce the above copyright
68 * notice, this list of conditions and the following disclaimer in
69 * the documentation and/or other materials provided with the
70 * distribution.
71 *
72 * 3. All advertising materials mentioning features or use of this
73 * software must display the following acknowledgment:
74 * "This product includes software developed by the OpenSSL Project
75 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
76 *
77 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
78 * endorse or promote products derived from this software without
79 * prior written permission. For written permission, please contact
80 * openssl-core@openssl.org.
81 *
82 * 5. Products derived from this software may not be called "OpenSSL"
83 * nor may "OpenSSL" appear in their names without prior written
84 * permission of the OpenSSL Project.
85 *
86 * 6. Redistributions of any form whatsoever must retain the following
87 * acknowledgment:
88 * "This product includes software developed by the OpenSSL Project
89 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
90 *
91 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
92 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
93 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
94 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
95 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
96 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
97 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
98 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
99 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
100 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
101 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
102 * OF THE POSSIBILITY OF SUCH DAMAGE.
103 * ====================================================================
104 *
105 * This product includes cryptographic software written by Eric Young
106 * (eay@cryptsoft.com). This product includes software written by Tim
107 * Hudson (tjh@cryptsoft.com).
108 *
109 */
ddac1974
NL		 110/* ====================================================================
111 * Copyright 2005 Nokia. All rights reserved.
112 *
113 * The portions of the attached software ("Contribution") is developed by
114 * Nokia Corporation and is licensed pursuant to the OpenSSL open source
115 * license.
116 *
117 * The Contribution, originally written by Mika Kousa and Pasi Eronen of
118 * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
119 * support (see RFC 4279) to OpenSSL.
120 *
121 * No patent licenses or other rights except those expressly stated in
122 * the OpenSSL open source license shall be deemed granted or received
123 * expressly, by implication, estoppel, or otherwise.
124 *
125 * No assurances are provided by Nokia that the Contribution does not
126 * infringe the patent or other intellectual property rights of any third
127 * party or that the license provides you with all the necessary rights
128 * to make use of the Contribution.
129 *
130 * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
131 * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
132 * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
133 * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
134 * OTHERWISE.
135 */
d02b48c6 136
1b1a6e78 137#include <assert.h>
ddac1974 138#include <ctype.h>
8c197cc5
UM		 139#include <stdio.h>
140#include <stdlib.h>
141#include <string.h>
be1bd923 142#include <openssl/e_os2.h>
7e1b7485 143
0f113f3e
MC		 144/*
145 * With IPv6, it looks like Digital has mixed up the proper order of
146 * recursive header file inclusion, resulting in the compiler complaining
147 * that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which is
148 * needed to have fileno() declared correctly... So let's define u_int
149 */
bc36ee62 150#if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
0f113f3e 151# define __U_INT
7d7d2cbc
UM		 152typedef unsigned int u_int;
153#endif
154
d02b48c6 155#define USE_SOCKETS
d02b48c6 156#include "apps.h"
ec577822
BM		 157#include <openssl/x509.h>
158#include <openssl/ssl.h>
159#include <openssl/err.h>
160#include <openssl/pem.h>
1372965e 161#include <openssl/rand.h>
67c8e7f4 162#include <openssl/ocsp.h>
1e26a8ba 163#include <openssl/bn.h>
edc032b5 164#ifndef OPENSSL_NO_SRP
0f113f3e 165# include <openssl/srp.h>
edc032b5 166#endif
d02b48c6 167#include "s_apps.h"
36d16f8e 168#include "timeouts.h"
d02b48c6 169
bc36ee62 170#if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
75e0770d 171/* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
0f113f3e 172# undef FIONBIO
7d7d2cbc
UM		 173#endif
174
0f113f3e 175#define SSL_HOST_NAME "localhost"
d02b48c6 176
d02b48c6
RE		 177#undef BUFSIZZ
178#define BUFSIZZ 1024*8
179
180extern int verify_depth;
181extern int verify_error;
5d20c4fb 182extern int verify_return_error;
2a7cbe77 183extern int verify_quiet;
d02b48c6 184
0f113f3e 185static int c_nbio = 0;
0f113f3e
MC		 186static int c_tlsextdebug = 0;
187static int c_status_req = 0;
7e1b7485
RS		 188static int c_Pause = 0;
189static int c_debug = 0;
0f113f3e
MC		 190static int c_msg = 0;
191static int c_showcerts = 0;
0f113f3e
MC		 192static char *keymatexportlabel = NULL;
193static int keymatexportlen = 20;
0f113f3e
MC		 194static BIO *bio_c_out = NULL;
195static BIO *bio_c_msg = NULL;
196static int c_quiet = 0;
197static int c_ign_eof = 0;
198static int c_brief = 0;
d02b48c6 199
7e1b7485
RS		 200static void print_stuff(BIO *berr, SSL *con, int full);
201#ifndef OPENSSL_NO_TLSEXT
202static int ocsp_resp_cb(SSL *s, void *arg);
203#endif
204
ddac1974
NL		 205#ifndef OPENSSL_NO_PSK
206/* Default PSK identity and key */
0f113f3e
MC		 207static char *psk_identity = "Client_identity";
208/*
209 * char *psk_key=NULL; by default PSK is not used
210 */
ddac1974
NL		 211
212static unsigned int psk_client_cb(SSL *ssl, const char *hint, char *identity,
0f113f3e
MC		 213 unsigned int max_identity_len,
214 unsigned char *psk,
215 unsigned int max_psk_len)
216{
217 unsigned int psk_len = 0;
218 int ret;
219 BIGNUM *bn = NULL;
220
221 if (c_debug)
222 BIO_printf(bio_c_out, "psk_client_cb\n");
223 if (!hint) {
224 /* no ServerKeyExchange message */
225 if (c_debug)
226 BIO_printf(bio_c_out,
227 "NULL received PSK identity hint, continuing anyway\n");
228 } else if (c_debug)
229 BIO_printf(bio_c_out, "Received PSK identity hint '%s'\n", hint);
230
231 /*
232 * lookup PSK identity and PSK key based on the given identity hint here
233 */
234 ret = BIO_snprintf(identity, max_identity_len, "%s", psk_identity);
235 if (ret < 0 || (unsigned int)ret > max_identity_len)
236 goto out_err;
237 if (c_debug)
238 BIO_printf(bio_c_out, "created identity '%s' len=%d\n", identity,
239 ret);
240 ret = BN_hex2bn(&bn, psk_key);
241 if (!ret) {
242 BIO_printf(bio_err, "Could not convert PSK key '%s' to BIGNUM\n",
243 psk_key);
244 if (bn)
245 BN_free(bn);
246 return 0;
247 }
ddac1974 248
0f113f3e
MC		 249 if ((unsigned int)BN_num_bytes(bn) > max_psk_len) {
250 BIO_printf(bio_err,
251 "psk buffer of callback is too small (%d) for key (%d)\n",
252 max_psk_len, BN_num_bytes(bn));
ddac1974 253 BN_free(bn);
0f113f3e
MC		 254 return 0;
255 }
ddac1974 256
0f113f3e
MC		 257 psk_len = BN_bn2bin(bn, psk);
258 BN_free(bn);
259 if (psk_len == 0)
260 goto out_err;
ddac1974 261
0f113f3e
MC		 262 if (c_debug)
263 BIO_printf(bio_c_out, "created PSK len=%d\n", psk_len);
264
265 return psk_len;
ddac1974 266 out_err:
0f113f3e
MC		 267 if (c_debug)
268 BIO_printf(bio_err, "Error in PSK client callback\n");
269 return 0;
270}
ddac1974
NL		 271#endif
272
ed3883d2
BM		 273#ifndef OPENSSL_NO_TLSEXT
274
275/* This is a context that we pass to callbacks */
276typedef struct tlsextctx_st {
0f113f3e
MC		 277 BIO *biodebug;
278 int ack;
ed3883d2
BM		 279} tlsextctx;
280
6d23cf97 281static int ssl_servername_cb(SSL *s, int *ad, void *arg)
0f113f3e
MC		 282{
283 tlsextctx *p = (tlsextctx *) arg;
284 const char *hn = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
285 if (SSL_get_servername_type(s) != -1)
286 p->ack = !SSL_session_reused(s) && hn != NULL;
287 else
288 BIO_printf(bio_err, "Can't use SSL_get_servername\n");
289
290 return SSL_TLSEXT_ERR_OK;
291}
ee2ffc27 292
0f113f3e 293# ifndef OPENSSL_NO_SRP
edc032b5
BL		 294
295/* This is a context that we pass to all callbacks */
0f113f3e
MC		 296typedef struct srp_arg_st {
297 char *srppassin;
298 char *srplogin;
299 int msg; /* copy from c_msg */
300 int debug; /* copy from c_debug */
301 int amp; /* allow more groups */
302 int strength /* minimal size for N */ ;
303} SRP_ARG;
304
305# define SRP_NUMBER_ITERATIONS_FOR_PRIME 64
edc032b5 306
f2fc3075 307static int srp_Verify_N_and_g(const BIGNUM *N, const BIGNUM *g)
0f113f3e
MC		 308{
309 BN_CTX *bn_ctx = BN_CTX_new();
310 BIGNUM *p = BN_new();
311 BIGNUM *r = BN_new();
312 int ret =
313 g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) &&
314 BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
315 p != NULL && BN_rshift1(p, N) &&
316 /* p = (N-1)/2 */
317 BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
318 r != NULL &&
319 /* verify g^((N-1)/2) == -1 (mod N) */
320 BN_mod_exp(r, g, p, N, bn_ctx) &&
321 BN_add_word(r, 1) && BN_cmp(r, N) == 0;
322
323 if (r)
324 BN_free(r);
325 if (p)
326 BN_free(p);
327 if (bn_ctx)
328 BN_CTX_free(bn_ctx);
329 return ret;
330}
edc032b5 331
c80fd6b2
MC		 332/*-
333 * This callback is used here for two purposes:
334 * - extended debugging
335 * - making some primality tests for unknown groups
336 * The callback is only called for a non default group.
337 *
338 * An application does not need the call back at all if
0f113f3e
MC		 339 * only the stanard groups are used. In real life situations,
340 * client and server already share well known groups,
341 * thus there is no need to verify them.
c80fd6b2 342 * Furthermore, in case that a server actually proposes a group that
0f113f3e
MC		 343 * is not one of those defined in RFC 5054, it is more appropriate
344 * to add the group to a static list and then compare since
c80fd6b2
MC		 345 * primality tests are rather cpu consuming.
346 */
f2fc3075 347
6d23cf97 348static int ssl_srp_verify_param_cb(SSL *s, void *arg)
0f113f3e
MC		 349{
350 SRP_ARG *srp_arg = (SRP_ARG *)arg;
351 BIGNUM *N = NULL, *g = NULL;
352 if (!(N = SSL_get_srp_N(s)) || !(g = SSL_get_srp_g(s)))
353 return 0;
354 if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1) {
355 BIO_printf(bio_err, "SRP parameters:\n");
356 BIO_printf(bio_err, "\tN=");
357 BN_print(bio_err, N);
358 BIO_printf(bio_err, "\n\tg=");
359 BN_print(bio_err, g);
360 BIO_printf(bio_err, "\n");
361 }
362
363 if (SRP_check_known_gN_param(g, N))
364 return 1;
365
366 if (srp_arg->amp == 1) {
367 if (srp_arg->debug)
368 BIO_printf(bio_err,
369 "SRP param N and g are not known params, going to check deeper.\n");
370
371 /*
372 * The srp_moregroups is a real debugging feature. Implementors
373 * should rather add the value to the known ones. The minimal size
374 * has already been tested.
375 */
376 if (BN_num_bits(g) <= BN_BITS && srp_Verify_N_and_g(N, g))
377 return 1;
378 }
379 BIO_printf(bio_err, "SRP param N and g rejected.\n");
380 return 0;
381}
edc032b5 382
0f113f3e
MC		 383# define PWD_STRLEN 1024
384
385static char *ssl_give_srp_client_pwd_cb(SSL *s, void *arg)
386{
387 SRP_ARG *srp_arg = (SRP_ARG *)arg;
68dc6824 388 char *pass = app_malloc(PWD_STRLEN + 1, "SRP password buffer");
0f113f3e
MC		 389 PW_CB_DATA cb_tmp;
390 int l;
391
392 cb_tmp.password = (char *)srp_arg->srppassin;
393 cb_tmp.prompt_info = "SRP user";
394 if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp)) < 0) {
395 BIO_printf(bio_err, "Can't read Password\n");
396 OPENSSL_free(pass);
397 return NULL;
398 }
399 *(pass + l) = '\0';
400
401 return pass;
402}
403
404# endif
7e1b7485 405
0f113f3e 406char *srtp_profiles = NULL;
edc032b5 407
bf48836c 408# ifndef OPENSSL_NO_NEXTPROTONEG
ee2ffc27
BL		 409/* This the context that we pass to next_proto_cb */
410typedef struct tlsextnextprotoctx_st {
0f113f3e
MC		 411 unsigned char *data;
412 unsigned short len;
413 int status;
ee2ffc27
BL		 414} tlsextnextprotoctx;
415
416static tlsextnextprotoctx next_proto;
417
0f113f3e
MC		 418static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen,
419 const unsigned char *in, unsigned int inlen,
420 void *arg)
421{
422 tlsextnextprotoctx *ctx = arg;
423
424 if (!c_quiet) {
425 /* We can assume that |in| is syntactically valid. */
426 unsigned i;
427 BIO_printf(bio_c_out, "Protocols advertised by server: ");
428 for (i = 0; i < inlen;) {
429 if (i)
430 BIO_write(bio_c_out, ", ", 2);
431 BIO_write(bio_c_out, &in[i + 1], in[i]);
432 i += in[i] + 1;
433 }
434 BIO_write(bio_c_out, "\n", 1);
435 }
436
437 ctx->status =
438 SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len);
439 return SSL_TLSEXT_ERR_OK;
440}
441# endif /* ndef OPENSSL_NO_NEXTPROTONEG */
442
443static int serverinfo_cli_parse_cb(SSL *s, unsigned int ext_type,
444 const unsigned char *in, size_t inlen,
445 int *al, void *arg)
85c67492 446{
0f113f3e
MC		 447 char pem_name[100];
448 unsigned char ext_buf[4 + 65536];
449
450 /* Reconstruct the type/len fields prior to extension data */
451 ext_buf[0] = ext_type >> 8;
452 ext_buf[1] = ext_type & 0xFF;
453 ext_buf[2] = inlen >> 8;
454 ext_buf[3] = inlen & 0xFF;
455 memcpy(ext_buf + 4, in, inlen);
456
457 BIO_snprintf(pem_name, sizeof(pem_name), "SERVERINFO FOR EXTENSION %d",
458 ext_type);
459 PEM_write_bio(bio_c_out, pem_name, "", ext_buf, 4 + inlen);
460 return 1;
461}
462
463#endif
464
7e1b7485
RS		 465typedef enum OPTION_choice {
466 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
d8c25de5 467 OPT_HOST, OPT_PORT, OPT_CONNECT, OPT_UNIX, OPT_XMPPHOST, OPT_VERIFY,
7e1b7485
RS		 468 OPT_CERT, OPT_CRL, OPT_CRL_DOWNLOAD, OPT_SESS_OUT, OPT_SESS_IN,
469 OPT_CERTFORM, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET,
470 OPT_BRIEF, OPT_PREXIT, OPT_CRLF, OPT_QUIET, OPT_NBIO,
471 OPT_SSL_CLIENT_ENGINE, OPT_RAND, OPT_IGN_EOF, OPT_NO_IGN_EOF,
472 OPT_PAUSE, OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_WDEBUG,
473 OPT_MSG, OPT_MSGFILE, OPT_ENGINE, OPT_TRACE, OPT_SECURITY_DEBUG,
474 OPT_SECURITY_DEBUG_VERBOSE, OPT_SHOWCERTS, OPT_NBIO_TEST, OPT_STATE,
475 OPT_PSK_IDENTITY, OPT_PSK, OPT_SRPUSER, OPT_SRPPASS, OPT_SRP_STRENGTH,
476 OPT_SRP_LATEUSER, OPT_SRP_MOREGROUPS, OPT_SSL3,
477 OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1,
478 OPT_DTLS1_2, OPT_TIMEOUT, OPT_MTU, OPT_KEYFORM, OPT_PASS,
479 OPT_CERT_CHAIN, OPT_CAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH,
480 OPT_KEY, OPT_RECONNECT, OPT_BUILD_CHAIN, OPT_CAFILE, OPT_KRB5SVC,
481 OPT_CHAINCAFILE, OPT_VERIFYCAFILE, OPT_NEXTPROTONEG, OPT_ALPN,
482 OPT_SERVERINFO, OPT_STARTTLS, OPT_SERVERNAME, OPT_JPAKE,
d8c25de5 483 OPT_USE_SRTP, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN, OPT_SMTPHOST,
7e1b7485
RS		 484 OPT_V_ENUM,
485 OPT_X_ENUM,
486 OPT_S_ENUM,
6ba8a5b7 487 OPT_FALLBACKSCSV, OPT_NOCMDS
7e1b7485
RS		 488} OPTION_CHOICE;
489
490OPTIONS s_client_options[] = {
491 {"help", OPT_HELP, '-', "Display this summary"},
492 {"host", OPT_HOST, 's', "Use -connect instead"},
493 {"port", OPT_PORT, 'p', "Use -connect instead"},
494 {"connect", OPT_CONNECT, 's',
495 "TCP/IP where to connect (default is " SSL_HOST_NAME ":" PORT_STR ")"},
496 {"unix", OPT_UNIX, 's', "Connect over unix domain sockets"},
497 {"verify", OPT_VERIFY, 'p', "Turn on peer certificate verification"},
498 {"cert", OPT_CERT, '<', "Certificate file to use, PEM format assumed"},
499 {"certform", OPT_CERTFORM, 'F',
500 "Certificate format (PEM or DER) PEM default"},
501 {"key", OPT_KEY, '<', "Private key file to use, if not in -cert file"},
502 {"keyform", OPT_KEYFORM, 'F', "Key format (PEM or DER) PEM default"},
503 {"pass", OPT_PASS, 's', "Private key file pass phrase source"},
504 {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
505 {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
506 {"reconnect", OPT_RECONNECT, '-',
507 "Drop and re-make the connection with the same Session-ID"},
508 {"pause", OPT_PAUSE, '-', "Sleep after each read and write system call"},
509 {"showcerts", OPT_SHOWCERTS, '-', "Show all certificates in the chain"},
510 {"debug", OPT_DEBUG, '-', "Extra output"},
511 {"msg", OPT_MSG, '-', "Show protocol messages"},
512 {"msgfile", OPT_MSGFILE, '>'},
513 {"nbio_test", OPT_NBIO_TEST, '-', "More ssl protocol testing"},
514 {"state", OPT_STATE, '-', "Print the ssl states"},
515 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"},
516 {"quiet", OPT_QUIET, '-', "No s_client output"},
517 {"ign_eof", OPT_IGN_EOF, '-', "Ignore input eof (default when -quiet)"},
518 {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Don't ignore input eof"},
519#ifndef OPENSSL_NO_SSL3
520 {"ssl3", OPT_SSL3, '-', "Just use SSLv3"},
521#endif
522 {"tls1_2", OPT_TLS1_2, '-', "Just use TLSv1.2"},
523 {"tls1_1", OPT_TLS1_1, '-', "Just use TLSv1.1"},
524 {"tls1", OPT_TLS1, '-', "Just use TLSv1"},
525 {"dtls", OPT_DTLS, '-'},
526 {"dtls1", OPT_DTLS1, '-', "Just use DTLSv1"},
527 {"dtls1_2", OPT_DTLS1_2, '-'},
528 {"timeout", OPT_TIMEOUT, '-'},
529 {"mtu", OPT_MTU, 'p', "Set the link layer MTU"},
530 {"starttls", OPT_STARTTLS, 's',
531 "Use the STARTTLS command before starting TLS"},
d8c25de5 532 {"xmpphost", OPT_XMPPHOST, 's', "Host to use with \"-starttls xmpp\""},
7e1b7485
RS		 533 {"rand", OPT_RAND, 's',
534 "Load the file(s) into the random number generator"},
535 {"sess_out", OPT_SESS_OUT, '>', "File to write SSL session to"},
536 {"sess_in", OPT_SESS_IN, '<', "File to read SSL session from"},
537 {"use_srtp", OPT_USE_SRTP, '<',
538 "Offer SRTP key management with a colon-separated profile list"},
539 {"keymatexport", OPT_KEYMATEXPORT, 's',
540 "Export keying material using label"},
541 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
542 "Export len bytes of keying material (default 20)"},
543 {"fallback_scsv", OPT_FALLBACKSCSV, '-', "Send the fallback SCSV"},
544#ifdef WATT32
545 {"wdebug", OPT_WDEBUG, '-', "WATT-32 tcp debugging"},
546#endif
547#ifdef FIONBIO
548 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"},
549#endif
550#ifndef OPENSSL_NO_PSK
551 {"psk_identity", OPT_PSK_IDENTITY, 's', "PSK identity"},
552 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"},
553# ifndef OPENSSL_NO_JPAKE
554 {"jpake", OPT_JPAKE, 's', "JPAKE secret to use"},
555# endif
556#endif
557#ifndef OPENSSL_NO_KRB5
558 {"krb5svc", OPT_KRB5SVC, 's', "Kerberos service name"},
559#endif
560#ifndef OPENSSL_NO_SRP
561 {"srpuser", OPT_SRPUSER, 's', "SRP authentification for 'user'"},
562 {"srppass", OPT_SRPPASS, 's', "Password for 'user'"},
563 {"srp_lateuser", OPT_SRP_LATEUSER, '-',
564 "SRP username into second ClientHello message"},
565 {"srp_moregroups", OPT_SRP_MOREGROUPS, '-',
566 "Tolerate other than the known g N values."},
567 {"srp_strength", OPT_SRP_STRENGTH, 'p', "Minimal mength in bits for N"},
568#endif
d8c25de5 569 {"name", OPT_SMTPHOST, 's', "Hostname to use for \"-starttls smtp\""},
7e1b7485
RS		 570#ifndef OPENSSL_NO_TLSEXT
571 {"servername", OPT_SERVERNAME, 's',
572 "Set TLS extension servername in ClientHello"},
573 {"tlsextdebug", OPT_TLSEXTDEBUG, '-',
574 "Hex dump of all TLS extensions received"},
575 {"status", OPT_STATUS, '-', "Request certificate status from server"},
576 {"serverinfo", OPT_SERVERINFO, 's',
577 "types Send empty ClientHello extensions (comma-separated numbers)"},
578 {"alpn", OPT_ALPN, 's',
579 "Enable ALPN extension, considering named protocols supported (comma-separated list)"},
580# ifndef OPENSSL_NO_NEXTPROTONEG
581 {"nextprotoneg", OPT_NEXTPROTONEG, 's',
582 "Enable NPN extension, considering named protocols supported (comma-separated list)"},
583# endif
584#endif
585 {"CRL", OPT_CRL, '<'},
586 {"crl_download", OPT_CRL_DOWNLOAD, '-'},
587 {"CRLform", OPT_CRLFORM, 'F'},
588 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-'},
589 {"verify_quiet", OPT_VERIFY_QUIET, '-'},
590 {"brief", OPT_BRIEF, '-'},
591 {"prexit", OPT_PREXIT, '-'},
7e1b7485
RS		 592 {"trace", OPT_TRACE, '-'},
593 {"security_debug", OPT_SECURITY_DEBUG, '-'},
594 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-'},
595 {"cert_chain", OPT_CERT_CHAIN, '<'},
596 {"chainCApath", OPT_CHAINCAPATH, '/'},
597 {"verifyCApath", OPT_VERIFYCAPATH, '/'},
598 {"build_chain", OPT_BUILD_CHAIN, '-'},
599 {"chainCAfile", OPT_CHAINCAFILE, '<'},
600 {"verifyCAfile", OPT_VERIFYCAFILE, '<'},
6ba8a5b7 601 {"nocommands", OPT_NOCMDS, '-', "Do not use interactive command letters"},
7e1b7485
RS		 602#ifndef OPENSSL_NO_ENGINE
603 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
333b070e 604 {"ssl_client_engine", OPT_SSL_CLIENT_ENGINE, 's'},
7e1b7485
RS		 605#endif
606 OPT_S_OPTIONS,
607 OPT_V_OPTIONS,
608 OPT_X_OPTIONS,
609 {NULL}
610};
611
612typedef enum PROTOCOL_choice {
613 PROTO_OFF,
0f113f3e
MC		 614 PROTO_SMTP,
615 PROTO_POP3,
616 PROTO_IMAP,
617 PROTO_FTP,
d8c25de5 618 PROTO_TELNET,
0f113f3e 619 PROTO_XMPP
7e1b7485
RS		 620} PROTOCOL_CHOICE;
621
622static OPT_PAIR services[] = {
623 {"smtp", PROTO_SMTP},
624 {"pop3", PROTO_POP3},
625 {"imap", PROTO_IMAP},
626 {"ftp", PROTO_FTP},
627 {"xmpp", PROTO_XMPP},
d8c25de5 628 {"telnet", PROTO_TELNET},
7e1b7485 629 {NULL}
85c67492
RL		 630};
631
7e1b7485 632int s_client_main(int argc, char **argv)
0f113f3e 633{
7e1b7485 634 BIO *sbio;
0f113f3e 635 EVP_PKEY *key = NULL;
7e1b7485 636 SSL *con = NULL;
0f113f3e 637 SSL_CTX *ctx = NULL;
7e1b7485
RS		 638 STACK_OF(X509) *chain = NULL;
639 X509 *cert = NULL;
0f113f3e 640 X509_VERIFY_PARAM *vpm = NULL;
7e1b7485
RS		 641 SSL_EXCERT *exc = NULL;
642 SSL_CONF_CTX *cctx = NULL;
643 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
644 STACK_OF(X509_CRL) *crls = NULL;
645 const SSL_METHOD *meth = SSLv23_client_method();
646 char *CApath = NULL, *CAfile = NULL, *cbuf = NULL, *sbuf = NULL, *mbuf =
647 NULL;
648 char *cert_file = NULL, *key_file = NULL, *chain_file = NULL, *prog;
649 char *chCApath = NULL, *chCAfile = NULL, *host = SSL_HOST_NAME, *inrand =
650 NULL;
651 char *passarg = NULL, *pass = NULL, *vfyCApath = NULL, *vfyCAfile = NULL;
652 char *sess_in = NULL, *sess_out = NULL, *crl_file = NULL, *p;
2f5997b7 653 char *jpake_secret = NULL, *xmpphost = NULL;
7e1b7485 654 const char *unix_path = NULL;
d8c25de5 655 const char *ehlo = "mail.example.com";
7e1b7485 656 struct sockaddr peer;
0f113f3e 657 struct timeval timeout, *timeoutp;
7e1b7485
RS		 658 fd_set readfds, writefds;
659 int build_chain = 0, cbuf_len, cbuf_off, cert_format = FORMAT_PEM;
660 int key_format = FORMAT_PEM, crlf = 0, full_log = 1, mbuf_len = 0;
661 int prexit = 0;
662 int enable_timeouts = 0, sdebug = 0, peerlen = sizeof peer;
663 int reconnect = 0, verify = SSL_VERIFY_NONE, vpmtouched = 0;
664 int ret = 1, in_init = 1, i, nbio_test = 0, s, k, width, state = 0;
6ba8a5b7 665 int sbuf_len, sbuf_off, socket_type = SOCK_STREAM, cmdletters = 1;
7e1b7485
RS		 666 int starttls_proto = PROTO_OFF, crl_format = FORMAT_PEM, crl_download = 0;
667 int write_tty, read_tty, write_ssl, read_ssl, tty_on, ssl_pending;
668 int fallback_scsv = 0;
669 long socket_mtu = 0, randamt = 0;
670 unsigned short port = PORT;
671 OPTION_CHOICE o;
672#ifndef OPENSSL_NO_KRB5
673 KSSL_CTX *kctx;
674 const char *krb5svc = NULL;
675#endif
0b13e9f0 676#ifndef OPENSSL_NO_ENGINE
0f113f3e 677 ENGINE *ssl_client_engine = NULL;
7e1b7485 678#endif
333b070e 679 ENGINE *e = NULL;
b317819b 680#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
0f113f3e 681 struct timeval tv;
06f4536a 682#endif
ed3883d2 683#ifndef OPENSSL_NO_TLSEXT
0f113f3e 684 char *servername = NULL;
7e1b7485 685 const char *alpn_in = NULL;
0f113f3e 686 tlsextctx tlsextcbp = { NULL, 0 };
7e1b7485
RS		 687# define MAX_SI_TYPES 100
688 unsigned short serverinfo_types[MAX_SI_TYPES];
689 int serverinfo_count = 0, start = 0, len;
bf48836c 690# ifndef OPENSSL_NO_NEXTPROTONEG
0f113f3e 691 const char *next_proto_neg_in = NULL;
ee2ffc27 692# endif
ed551cdd 693#endif
edc032b5 694#ifndef OPENSSL_NO_SRP
0f113f3e
MC		 695 char *srppass = NULL;
696 int srp_lateuser = 0;
697 SRP_ARG srp_arg = { NULL, NULL, 0, 0, 0, 1024 };
698#endif
0f113f3e 699
7e1b7485 700 prog = opt_progname(argv[0]);
0f113f3e
MC		 701 c_Pause = 0;
702 c_quiet = 0;
703 c_ign_eof = 0;
704 c_debug = 0;
705 c_msg = 0;
706 c_showcerts = 0;
7e1b7485
RS		 707 c_nbio = 0;
708 verify_depth = 0;
709 verify_error = X509_V_OK;
710 vpm = X509_VERIFY_PARAM_new();
68dc6824
RS		 711 cbuf = app_malloc(BUFSIZZ, "cbuf");
712 sbuf = app_malloc(BUFSIZZ, "sbuf");
713 mbuf = app_malloc(BUFSIZZ, "mbuf");
0f113f3e 714 cctx = SSL_CONF_CTX_new();
0f113f3e 715
68dc6824 716 if (vpm == NULL || cctx == NULL) {
7e1b7485 717 BIO_printf(bio_err, "%s: out of memory\n", prog);
0f113f3e
MC		 718 goto end;
719 }
720
7e1b7485 721 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT | SSL_CONF_FLAG_CMDLINE);
0f113f3e 722
7e1b7485
RS		 723 prog = opt_init(argc, argv, s_client_options);
724 while ((o = opt_next()) != OPT_EOF) {
725 switch (o) {
726#ifndef WATT32
727 case OPT_WDEBUG:
728#endif
729#ifdef OPENSSL_NO_JPAKE
730 case OPT_JPAKE:
731#endif
732#ifdef OPENSSL_NO_SSL_TRACE
733 case OPT_TRACE:
734#endif
735 case OPT_EOF:
736 case OPT_ERR:
737 opthelp:
738 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
739 goto end;
740 case OPT_HELP:
741 opt_help(s_client_options);
742 ret = 0;
743 goto end;
744 case OPT_HOST:
745 host = opt_arg();
746 break;
747 case OPT_PORT:
748 port = atoi(opt_arg());
749 break;
750 case OPT_CONNECT:
751 if (!extract_host_port(opt_arg(), &host, NULL, &port))
752 goto end;
753 break;
754 case OPT_UNIX:
755 unix_path = opt_arg();
756 break;
d8c25de5
RS		 757 case OPT_XMPPHOST:
758 xmpphost = opt_arg();
759 break;
760 case OPT_SMTPHOST:
761 ehlo = opt_arg();
762 break;
7e1b7485 763 case OPT_VERIFY:
0f113f3e 764 verify = SSL_VERIFY_PEER;
7e1b7485 765 verify_depth = atoi(opt_arg());
0f113f3e
MC		 766 if (!c_quiet)
767 BIO_printf(bio_err, "verify depth is %d\n", verify_depth);
7e1b7485
RS		 768 break;
769 case OPT_CERT:
770 cert_file = opt_arg();
771 break;
772 case OPT_CRL:
773 crl_file = opt_arg();
774 break;
775 case OPT_CRL_DOWNLOAD:
0f113f3e 776 crl_download = 1;
7e1b7485
RS		 777 break;
778 case OPT_SESS_OUT:
779 sess_out = opt_arg();
780 break;
781 case OPT_SESS_IN:
782 sess_in = opt_arg();
783 break;
784 case OPT_CERTFORM:
785 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &cert_format))
786 goto opthelp;
787 break;
788 case OPT_CRLFORM:
789 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
790 goto opthelp;
791 break;
792 case OPT_VERIFY_RET_ERROR:
0f113f3e 793 verify_return_error = 1;
7e1b7485
RS		 794 break;
795 case OPT_VERIFY_QUIET:
0f113f3e 796 verify_quiet = 1;
7e1b7485
RS		 797 break;
798 case OPT_BRIEF:
799 c_brief = verify_quiet = c_quiet = 1;
800 break;
801 case OPT_S_CASES:
802 if (ssl_args == NULL)
803 ssl_args = sk_OPENSSL_STRING_new_null();
804 if (ssl_args == NULL
805 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
806 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
807 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
808 goto end;
809 }
810 break;
811 case OPT_V_CASES:
812 if (!opt_verify(o, vpm))
813 goto end;
814 vpmtouched++;
815 break;
816 case OPT_X_CASES:
817 if (!args_excert(o, &exc))
818 goto end;
819 break;
820 case OPT_PREXIT:
0f113f3e 821 prexit = 1;
7e1b7485
RS		 822 break;
823 case OPT_CRLF:
0f113f3e 824 crlf = 1;
7e1b7485
RS		 825 break;
826 case OPT_QUIET:
827 c_quiet = c_ign_eof = 1;
828 break;
829 case OPT_NBIO:
830 c_nbio = 1;
831 break;
6ba8a5b7
RS		 832 case OPT_NOCMDS:
833 cmdletters = 0;
834 break;
7e1b7485
RS		 835 case OPT_KRB5SVC:
836#ifndef OPENSSL_NO_KRB5
837 krb5svc = opt_arg();
838#endif
839 break;
840 case OPT_ENGINE:
333b070e 841 e = setup_engine(opt_arg(), 1);
7e1b7485
RS		 842 break;
843 case OPT_SSL_CLIENT_ENGINE:
333b070e
RS		 844#ifndef OPENSSL_NO_ENGINE
845 ssl_client_engine = ENGINE_by_id(opt_arg());
846 if (ssl_client_engine == NULL) {
847 BIO_printf(bio_err, "Error getting client auth engine\n");
848 goto opthelp;
849 }
850 break;
851#endif
7e1b7485
RS		 852 break;
853 case OPT_RAND:
854 inrand = opt_arg();
855 break;
856 case OPT_IGN_EOF:
0f113f3e 857 c_ign_eof = 1;
7e1b7485
RS		 858 break;
859 case OPT_NO_IGN_EOF:
0f113f3e 860 c_ign_eof = 0;
7e1b7485
RS		 861 break;
862 case OPT_PAUSE:
0f113f3e 863 c_Pause = 1;
7e1b7485
RS		 864 break;
865 case OPT_DEBUG:
0f113f3e 866 c_debug = 1;
7e1b7485 867 break;
6434abbf 868#ifndef OPENSSL_NO_TLSEXT
7e1b7485 869 case OPT_TLSEXTDEBUG:
0f113f3e 870 c_tlsextdebug = 1;
7e1b7485
RS		 871 break;
872 case OPT_STATUS:
0f113f3e 873 c_status_req = 1;
7e1b7485 874 break;
f642ebc1
RS		 875#endif
876#ifdef WATT32
7e1b7485 877 case OPT_WDEBUG:
0f113f3e 878 dbug_init();
7e1b7485 879 break;
0f113f3e 880#endif
7e1b7485 881 case OPT_MSG:
0f113f3e 882 c_msg = 1;
7e1b7485
RS		 883 break;
884 case OPT_MSGFILE:
885 bio_c_msg = BIO_new_file(opt_arg(), "w");
886 break;
93ab9e42 887#ifndef OPENSSL_NO_SSL_TRACE
7e1b7485 888 case OPT_TRACE:
0f113f3e 889 c_msg = 2;
7e1b7485 890 break;
0f113f3e 891#endif
7e1b7485 892 case OPT_SECURITY_DEBUG:
0f113f3e 893 sdebug = 1;
7e1b7485
RS		 894 break;
895 case OPT_SECURITY_DEBUG_VERBOSE:
0f113f3e 896 sdebug = 2;
7e1b7485
RS		 897 break;
898 case OPT_SHOWCERTS:
0f113f3e 899 c_showcerts = 1;
7e1b7485
RS		 900 break;
901 case OPT_NBIO_TEST:
0f113f3e 902 nbio_test = 1;
7e1b7485
RS		 903 break;
904 case OPT_STATE:
0f113f3e 905 state = 1;
7e1b7485 906 break;
ddac1974 907#ifndef OPENSSL_NO_PSK
7e1b7485
RS		 908 case OPT_PSK_IDENTITY:
909 psk_identity = opt_arg();
910 break;
911 case OPT_PSK:
912 for (p = psk_key = opt_arg(); *p; p++) {
913 if (isxdigit(*p))
0f113f3e 914 continue;
7e1b7485
RS		 915 BIO_printf(bio_err, "Not a hex number '%s'\n", psk_key);
916 goto end;
0f113f3e 917 }
7e1b7485 918 break;
ddac1974 919#endif
edc032b5 920#ifndef OPENSSL_NO_SRP
7e1b7485
RS		 921 case OPT_SRPUSER:
922 srp_arg.srplogin = opt_arg();
0f113f3e 923 meth = TLSv1_client_method();
7e1b7485
RS		 924 break;
925 case OPT_SRPPASS:
926 srppass = opt_arg();
0f113f3e 927 meth = TLSv1_client_method();
7e1b7485
RS		 928 break;
929 case OPT_SRP_STRENGTH:
930 srp_arg.strength = atoi(opt_arg());
0f113f3e
MC		 931 BIO_printf(bio_err, "SRP minimal length for N is %d\n",
932 srp_arg.strength);
933 meth = TLSv1_client_method();
7e1b7485
RS		 934 break;
935 case OPT_SRP_LATEUSER:
0f113f3e
MC		 936 srp_lateuser = 1;
937 meth = TLSv1_client_method();
7e1b7485
RS		 938 break;
939 case OPT_SRP_MOREGROUPS:
0f113f3e
MC		 940 srp_arg.amp = 1;
941 meth = TLSv1_client_method();
7e1b7485 942 break;
edc032b5 943#endif
7e1b7485
RS		 944#ifndef OPENSSL_NO_SSL3
945 case OPT_SSL3:
0f113f3e 946 meth = SSLv3_client_method();
7e1b7485 947 break;
58964a49 948#endif
7e1b7485 949 case OPT_TLS1_2:
0f113f3e 950 meth = TLSv1_2_client_method();
7e1b7485
RS		 951 break;
952 case OPT_TLS1_1:
0f113f3e 953 meth = TLSv1_1_client_method();
7e1b7485
RS		 954 break;
955 case OPT_TLS1:
0f113f3e 956 meth = TLSv1_client_method();
7e1b7485 957 break;
36d16f8e 958#ifndef OPENSSL_NO_DTLS1
7e1b7485 959 case OPT_DTLS:
0f113f3e
MC		 960 meth = DTLS_client_method();
961 socket_type = SOCK_DGRAM;
7e1b7485
RS		 962 break;
963 case OPT_DTLS1:
0f113f3e
MC		 964 meth = DTLSv1_client_method();
965 socket_type = SOCK_DGRAM;
7e1b7485
RS		 966 break;
967 case OPT_DTLS1_2:
0f113f3e
MC		 968 meth = DTLSv1_2_client_method();
969 socket_type = SOCK_DGRAM;
7e1b7485
RS		 970 break;
971 case OPT_TIMEOUT:
0f113f3e 972 enable_timeouts = 1;
7e1b7485
RS		 973 break;
974 case OPT_MTU:
975 socket_mtu = atol(opt_arg());
976 break;
0f113f3e 977#endif
7e1b7485 978 case OPT_FALLBACKSCSV:
0f113f3e 979 fallback_scsv = 1;
7e1b7485
RS		 980 break;
981 case OPT_KEYFORM:
982 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &key_format))
983 goto opthelp;
984 break;
985 case OPT_PASS:
986 passarg = opt_arg();
987 break;
988 case OPT_CERT_CHAIN:
989 chain_file = opt_arg();
990 break;
991 case OPT_KEY:
992 key_file = opt_arg();
993 break;
994 case OPT_RECONNECT:
0f113f3e 995 reconnect = 5;
7e1b7485
RS		 996 break;
997 case OPT_CAPATH:
998 CApath = opt_arg();
999 break;
1000 case OPT_CHAINCAPATH:
1001 chCApath = opt_arg();
1002 break;
1003 case OPT_VERIFYCAPATH:
1004 vfyCApath = opt_arg();
1005 break;
1006 case OPT_BUILD_CHAIN:
0f113f3e 1007 build_chain = 1;
7e1b7485
RS		 1008 break;
1009 case OPT_CAFILE:
1010 CAfile = opt_arg();
1011 break;
1012 case OPT_CHAINCAFILE:
1013 chCAfile = opt_arg();
1014 break;
1015 case OPT_VERIFYCAFILE:
1016 vfyCAfile = opt_arg();
1017 break;
6434abbf 1018#ifndef OPENSSL_NO_TLSEXT
7e1b7485
RS		 1019 case OPT_NEXTPROTONEG:
1020 next_proto_neg_in = opt_arg();
1021 break;
1022 case OPT_ALPN:
1023 alpn_in = opt_arg();
1024 break;
1025 case OPT_SERVERINFO:
1026 p = opt_arg();
1027 len = strlen(p);
1028 for (start = 0, i = 0; i <= len; ++i) {
1029 if (i == len || p[i] == ',') {
1030 serverinfo_types[serverinfo_count] = atoi(p + start);
1031 if (++serverinfo_count == MAX_SI_TYPES)
1032 break;
0f113f3e
MC		 1033 start = i + 1;
1034 }
0f113f3e 1035 }
7e1b7485 1036 break;
0f113f3e 1037#endif
7e1b7485
RS		 1038 case OPT_STARTTLS:
1039 if (!opt_pair(opt_arg(), services, &starttls_proto))
1040 goto end;
ed3883d2 1041#ifndef OPENSSL_NO_TLSEXT
7e1b7485
RS		 1042 case OPT_SERVERNAME:
1043 servername = opt_arg();
0f113f3e 1044 /* meth=TLSv1_client_method(); */
7e1b7485 1045 break;
ed3883d2 1046#endif
79bd20fd 1047#ifndef OPENSSL_NO_JPAKE
7e1b7485
RS		 1048 case OPT_JPAKE:
1049 jpake_secret = opt_arg();
1050 break;
0f113f3e 1051#endif
7e1b7485
RS		 1052 case OPT_USE_SRTP:
1053 srtp_profiles = opt_arg();
1054 break;
1055 case OPT_KEYMATEXPORT:
1056 keymatexportlabel = opt_arg();
1057 break;
1058 case OPT_KEYMATEXPORTLEN:
1059 keymatexportlen = atoi(opt_arg());
0f113f3e
MC		 1060 break;
1061 }
0f113f3e 1062 }
7e1b7485
RS		 1063 argc = opt_num_rest();
1064 argv = opt_rest();
0f113f3e
MC		 1065
1066 if (unix_path && (socket_type != SOCK_STREAM)) {
1067 BIO_printf(bio_err,
1068 "Can't use unix sockets and datagrams together\n");
1069 goto end;
1070 }
79bd20fd 1071#if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
0f113f3e
MC		 1072 if (jpake_secret) {
1073 if (psk_key) {
1074 BIO_printf(bio_err, "Can't use JPAKE and PSK together\n");
1075 goto end;
1076 }
1077 psk_identity = "JPAKE";
1078 }
f3b7bdad
BL		 1079#endif
1080
bf48836c 1081#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
0f113f3e
MC		 1082 next_proto.status = -1;
1083 if (next_proto_neg_in) {
1084 next_proto.data =
1085 next_protos_parse(&next_proto.len, next_proto_neg_in);
1086 if (next_proto.data == NULL) {
1087 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n");
1088 goto end;
1089 }
1090 } else
1091 next_proto.data = NULL;
ee2ffc27
BL		 1092#endif
1093
7e1b7485 1094 if (!app_passwd(passarg, NULL, &pass, NULL)) {
0f113f3e
MC		 1095 BIO_printf(bio_err, "Error getting password\n");
1096 goto end;
1097 }
1098
1099 if (key_file == NULL)
1100 key_file = cert_file;
1101
1102 if (key_file) {
7e1b7485 1103 key = load_key(key_file, key_format, 0, pass, e,
0f113f3e 1104 "client certificate private key file");
7e1b7485 1105 if (key == NULL) {
0f113f3e
MC		 1106 ERR_print_errors(bio_err);
1107 goto end;
1108 }
0f113f3e
MC		 1109 }
1110
1111 if (cert_file) {
7e1b7485 1112 cert = load_cert(cert_file, cert_format,
0f113f3e 1113 NULL, e, "client certificate file");
7e1b7485 1114 if (cert == NULL) {
0f113f3e
MC		 1115 ERR_print_errors(bio_err);
1116 goto end;
1117 }
1118 }
1119
1120 if (chain_file) {
7e1b7485 1121 chain = load_certs(chain_file, FORMAT_PEM,
0f113f3e
MC		 1122 NULL, e, "client certificate chain");
1123 if (!chain)
1124 goto end;
1125 }
1126
1127 if (crl_file) {
1128 X509_CRL *crl;
1129 crl = load_crl(crl_file, crl_format);
7e1b7485 1130 if (crl == NULL) {
0f113f3e
MC		 1131 BIO_puts(bio_err, "Error loading CRL\n");
1132 ERR_print_errors(bio_err);
1133 goto end;
1134 }
1135 crls = sk_X509_CRL_new_null();
7e1b7485 1136 if (crls == NULL || !sk_X509_CRL_push(crls, crl)) {
0f113f3e
MC		 1137 BIO_puts(bio_err, "Error adding CRL\n");
1138 ERR_print_errors(bio_err);
1139 X509_CRL_free(crl);
1140 goto end;
1141 }
1142 }
1143
7e1b7485 1144 if (!load_excert(&exc))
0f113f3e
MC		 1145 goto end;
1146
7e1b7485 1147 if (!app_RAND_load_file(NULL, 1) && inrand == NULL
0f113f3e
MC		 1148 && !RAND_status()) {
1149 BIO_printf(bio_err,
1150 "warning, not much extra random data, consider using the -rand option\n");
1151 }
7e1b7485
RS		 1152 if (inrand != NULL) {
1153 randamt = app_RAND_load_files(inrand);
1154 BIO_printf(bio_err, "%ld semi-random bytes loaded\n", randamt);
1155 }
0f113f3e
MC		 1156
1157 if (bio_c_out == NULL) {
1158 if (c_quiet && !c_debug) {
1159 bio_c_out = BIO_new(BIO_s_null());
1160 if (c_msg && !bio_c_msg)
7e1b7485
RS		 1161 bio_c_msg = dup_bio_out();
1162 } else if (bio_c_out == NULL)
1163 bio_c_out = dup_bio_out();
0f113f3e 1164 }
edc032b5 1165#ifndef OPENSSL_NO_SRP
7e1b7485 1166 if (!app_passwd(srppass, NULL, &srp_arg.srppassin, NULL)) {
0f113f3e
MC		 1167 BIO_printf(bio_err, "Error getting password\n");
1168 goto end;
1169 }
1170#endif
1171
1172 ctx = SSL_CTX_new(meth);
1173 if (ctx == NULL) {
1174 ERR_print_errors(bio_err);
1175 goto end;
1176 }
1177
1178 if (sdebug)
ecf3a1fb 1179 ssl_ctx_security_debug(ctx, sdebug);
0f113f3e 1180
7e1b7485 1181 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
ac59d705
MC		 1182 BIO_printf(bio_err, "Error setting verify params\n");
1183 ERR_print_errors(bio_err);
1184 goto end;
1185 }
0f113f3e 1186
7e1b7485 1187 if (!config_ctx(cctx, ssl_args, ctx, 1, jpake_secret == NULL))
0f113f3e 1188 goto end;
0f113f3e
MC		 1189
1190 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1191 crls, crl_download)) {
1192 BIO_printf(bio_err, "Error loading store locations\n");
1193 ERR_print_errors(bio_err);
1194 goto end;
1195 }
59d2d48f 1196#ifndef OPENSSL_NO_ENGINE
0f113f3e
MC		 1197 if (ssl_client_engine) {
1198 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine)) {
1199 BIO_puts(bio_err, "Error setting client auth engine\n");
1200 ERR_print_errors(bio_err);
1201 ENGINE_free(ssl_client_engine);
1202 goto end;
1203 }
1204 ENGINE_free(ssl_client_engine);
1205 }
59d2d48f
DSH		 1206#endif
1207
ddac1974 1208#ifndef OPENSSL_NO_PSK
7e1b7485 1209 if (psk_key != NULL || jpake_secret) {
0f113f3e
MC		 1210 if (c_debug)
1211 BIO_printf(bio_c_out,
1212 "PSK key given or JPAKE in use, setting client callback\n");
1213 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
1214 }
e783bae2
PS		 1215#endif
1216#ifndef OPENSSL_NO_SRTP
ac59d705 1217 if (srtp_profiles != NULL) {
7e1b7485
RS		 1218 /* Returns 0 on success! */
1219 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
ac59d705
MC		 1220 BIO_printf(bio_err, "Error setting SRTP profile\n");
1221 ERR_print_errors(bio_err);
1222 goto end;
1223 }
1224 }
0f113f3e 1225#endif
7e1b7485 1226
0f113f3e
MC		 1227 if (exc)
1228 ssl_ctx_set_excert(ctx, exc);
d02b48c6 1229
6f017a8f
AL		 1230#if !defined(OPENSSL_NO_TLSEXT)
1231# if !defined(OPENSSL_NO_NEXTPROTONEG)
0f113f3e
MC		 1232 if (next_proto.data)
1233 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
6f017a8f 1234# endif
0f113f3e
MC		 1235 if (alpn_in) {
1236 unsigned short alpn_len;
1237 unsigned char *alpn = next_protos_parse(&alpn_len, alpn_in);
1238
1239 if (alpn == NULL) {
1240 BIO_printf(bio_err, "Error parsing -alpn argument\n");
1241 goto end;
1242 }
7e1b7485
RS		 1243 /* Returns 0 on success! */
1244 if (SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len) != 0) {
1245 BIO_printf(bio_err, "Error setting ALPN\n");
ac59d705
MC		 1246 goto end;
1247 }
0f113f3e
MC		 1248 OPENSSL_free(alpn);
1249 }
ee2ffc27 1250#endif
a398f821 1251#ifndef OPENSSL_NO_TLSEXT
7e1b7485 1252 for (i = 0; i < serverinfo_count; i++) {
61986d32 1253 if (!SSL_CTX_add_client_custom_ext(ctx,
7e1b7485
RS		 1254 serverinfo_types[i],
1255 NULL, NULL, NULL,
1256 serverinfo_cli_parse_cb, NULL)) {
1257 BIO_printf(bio_err,
1258 "Warning: Unable to add custom extension %u, skipping\n",
1259 serverinfo_types[i]);
ac59d705 1260 }
0f113f3e 1261 }
a398f821 1262#endif
ee2ffc27 1263
0f113f3e
MC		 1264 if (state)
1265 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
d02b48c6 1266
0f113f3e 1267 SSL_CTX_set_verify(ctx, verify, verify_callback);
d02b48c6 1268
7e1b7485 1269 if (!ctx_set_verify_locations(ctx, CAfile, CApath)) {
0f113f3e 1270 ERR_print_errors(bio_err);
7e1b7485 1271 goto end;
0f113f3e 1272 }
d02b48c6 1273
0f113f3e 1274 ssl_ctx_add_crls(ctx, crls, crl_download);
fdb78f3d 1275
0f113f3e
MC		 1276 if (!set_cert_key_stuff(ctx, cert, key, chain, build_chain))
1277 goto end;
74ecfab4 1278
ed3883d2 1279#ifndef OPENSSL_NO_TLSEXT
0f113f3e
MC		 1280 if (servername != NULL) {
1281 tlsextcbp.biodebug = bio_err;
1282 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1283 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1284 }
1285# ifndef OPENSSL_NO_SRP
1286 if (srp_arg.srplogin) {
1287 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin)) {
1288 BIO_printf(bio_err, "Unable to set SRP username\n");
1289 goto end;
1290 }
1291 srp_arg.msg = c_msg;
1292 srp_arg.debug = c_debug;
1293 SSL_CTX_set_srp_cb_arg(ctx, &srp_arg);
1294 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb);
1295 SSL_CTX_set_srp_strength(ctx, srp_arg.strength);
1296 if (c_msg || c_debug || srp_arg.amp == 0)
1297 SSL_CTX_set_srp_verify_param_callback(ctx,
1298 ssl_srp_verify_param_cb);
1299 }
1300# endif
1301#endif
1302
1303 con = SSL_new(ctx);
1304 if (sess_in) {
1305 SSL_SESSION *sess;
1306 BIO *stmp = BIO_new_file(sess_in, "r");
1307 if (!stmp) {
1308 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1309 ERR_print_errors(bio_err);
1310 goto end;
1311 }
1312 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1313 BIO_free(stmp);
1314 if (!sess) {
1315 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1316 ERR_print_errors(bio_err);
1317 goto end;
1318 }
61986d32 1319 if (!SSL_set_session(con, sess)) {
ac59d705
MC		 1320 BIO_printf(bio_err, "Can't set session\n");
1321 ERR_print_errors(bio_err);
1322 goto end;
1323 }
0f113f3e
MC		 1324 SSL_SESSION_free(sess);
1325 }
1326
1327 if (fallback_scsv)
1328 SSL_set_mode(con, SSL_MODE_SEND_FALLBACK_SCSV);
cf6da053 1329
ed3883d2 1330#ifndef OPENSSL_NO_TLSEXT
0f113f3e
MC		 1331 if (servername != NULL) {
1332 if (!SSL_set_tlsext_host_name(con, servername)) {
1333 BIO_printf(bio_err, "Unable to set TLS servername extension.\n");
1334 ERR_print_errors(bio_err);
1335 goto end;
1336 }
1337 }
ed3883d2 1338#endif
cf1b7d96 1339#ifndef OPENSSL_NO_KRB5
0f113f3e
MC		 1340 if (con && (kctx = kssl_ctx_new()) != NULL) {
1341 SSL_set0_kssl_ctx(con, kctx);
1342 kssl_ctx_setstring(kctx, KSSL_SERVER, host);
7e1b7485
RS		 1343 if (krb5svc)
1344 kssl_ctx_setstring(kctx, KSSL_SERVICE, krb5svc);
0f113f3e
MC		 1345 }
1346#endif /* OPENSSL_NO_KRB5 */
d02b48c6 1347
0f113f3e 1348 re_start:
9cd86abb 1349#ifdef NO_SYS_UN_H
0f113f3e 1350 if (init_client(&s, host, port, socket_type) == 0)
9cd86abb 1351#else
0f113f3e
MC		 1352 if ((!unix_path && (init_client(&s, host, port, socket_type) == 0)) ||
1353 (unix_path && (init_client_unix(&s, unix_path) == 0)))
9cd86abb 1354#endif
0f113f3e
MC		 1355 {
1356 BIO_printf(bio_err, "connect:errno=%d\n", get_last_socket_error());
1357 SHUTDOWN(s);
1358 goto end;
1359 }
1360 BIO_printf(bio_c_out, "CONNECTED(%08X)\n", s);
d02b48c6
RE		 1361
1362#ifdef FIONBIO
0f113f3e
MC		 1363 if (c_nbio) {
1364 unsigned long l = 1;
1365 BIO_printf(bio_c_out, "turning on non blocking io\n");
1366 if (BIO_socket_ioctl(s, FIONBIO, &l) < 0) {
1367 ERR_print_errors(bio_err);
1368 goto end;
1369 }
1370 }
1371#endif
1372 if (c_Pause & 0x01)
1373 SSL_set_debug(con, 1);
1374
1375 if (socket_type == SOCK_DGRAM) {
1376
1377 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
1378 if (getsockname(s, &peer, (void *)&peerlen) < 0) {
1379 BIO_printf(bio_err, "getsockname:errno=%d\n",
1380 get_last_socket_error());
1381 SHUTDOWN(s);
1382 goto end;
1383 }
1384
1385 (void)BIO_ctrl_set_connected(sbio, 1, &peer);
1386
1387 if (enable_timeouts) {
1388 timeout.tv_sec = 0;
1389 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1390 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1391
1392 timeout.tv_sec = 0;
1393 timeout.tv_usec = DGRAM_SND_TIMEOUT;
1394 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1395 }
1396
1397 if (socket_mtu) {
1398 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
1399 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
1400 DTLS_get_link_min_mtu(con));
1401 BIO_free(sbio);
1402 goto shut;
1403 }
1404 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1405 if (!DTLS_set_link_mtu(con, socket_mtu)) {
1406 BIO_printf(bio_err, "Failed to set MTU\n");
1407 BIO_free(sbio);
1408 goto shut;
1409 }
1410 } else
1411 /* want to do MTU discovery */
1412 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1413 } else
1414 sbio = BIO_new_socket(s, BIO_NOCLOSE);
1415
1416 if (nbio_test) {
1417 BIO *test;
1418
1419 test = BIO_new(BIO_f_nbio_test());
1420 sbio = BIO_push(test, sbio);
1421 }
1422
1423 if (c_debug) {
1424 SSL_set_debug(con, 1);
1425 BIO_set_callback(sbio, bio_dump_callback);
1426 BIO_set_callback_arg(sbio, (char *)bio_c_out);
1427 }
1428 if (c_msg) {
93ab9e42 1429#ifndef OPENSSL_NO_SSL_TRACE
0f113f3e
MC		 1430 if (c_msg == 2)
1431 SSL_set_msg_callback(con, SSL_trace);
1432 else
93ab9e42 1433#endif
0f113f3e
MC		 1434 SSL_set_msg_callback(con, msg_cb);
1435 SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out);
1436 }
6434abbf 1437#ifndef OPENSSL_NO_TLSEXT
0f113f3e
MC		 1438 if (c_tlsextdebug) {
1439 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1440 SSL_set_tlsext_debug_arg(con, bio_c_out);
1441 }
1442 if (c_status_req) {
1443 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
1444 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
1445 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
0f113f3e 1446 }
6434abbf 1447#endif
79bd20fd 1448#ifndef OPENSSL_NO_JPAKE
0f113f3e
MC		 1449 if (jpake_secret)
1450 jpake_client_auth(bio_c_out, sbio, jpake_secret);
1451#endif
1452
1453 SSL_set_bio(con, sbio, sbio);
1454 SSL_set_connect_state(con);
1455
1456 /* ok, lets connect */
1457 width = SSL_get_fd(con) + 1;
1458
1459 read_tty = 1;
1460 write_tty = 0;
1461 tty_on = 0;
1462 read_ssl = 1;
1463 write_ssl = 1;
1464
1465 cbuf_len = 0;
1466 cbuf_off = 0;
1467 sbuf_len = 0;
1468 sbuf_off = 0;
1469
7e1b7485
RS		 1470 switch ((PROTOCOL_CHOICE) starttls_proto) {
1471 case PROTO_OFF:
1472 break;
1473 case PROTO_SMTP:
1474 {
1475 /*
1476 * This is an ugly hack that does a lot of assumptions. We do
1477 * have to handle multi-line responses which may come in a single
1478 * packet or not. We therefore have to use BIO_gets() which does
1479 * need a buffering BIO. So during the initial chitchat we do
1480 * push a buffering BIO into the chain that is removed again
1481 * later on to not disturb the rest of the s_client operation.
1482 */
1483 int foundit = 0;
1484 BIO *fbio = BIO_new(BIO_f_buffer());
1485 BIO_push(fbio, sbio);
1486 /* wait for multi-line response to end from SMTP */
1487 do {
1488 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1489 }
1490 while (mbuf_len > 3 && mbuf[3] == '-');
d8c25de5 1491 BIO_printf(fbio, "EHLO %s\r\n", ehlo);
7e1b7485
RS		 1492 (void)BIO_flush(fbio);
1493 /* wait for multi-line response to end EHLO SMTP response */
1494 do {
1495 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1496 if (strstr(mbuf, "STARTTLS"))
1497 foundit = 1;
1498 }
1499 while (mbuf_len > 3 && mbuf[3] == '-');
1500 (void)BIO_flush(fbio);
1501 BIO_pop(fbio);
1502 BIO_free(fbio);
1503 if (!foundit)
1504 BIO_printf(bio_err,
1505 "didn't found starttls in server response,"
1506 " try anyway...\n");
1507 BIO_printf(sbio, "STARTTLS\r\n");
1508 BIO_read(sbio, sbuf, BUFSIZZ);
0f113f3e 1509 }
7e1b7485
RS		 1510 break;
1511 case PROTO_POP3:
1512 {
1513 BIO_read(sbio, mbuf, BUFSIZZ);
1514 BIO_printf(sbio, "STLS\r\n");
1515 mbuf_len = BIO_read(sbio, sbuf, BUFSIZZ);
1516 if (mbuf_len < 0) {
1517 BIO_printf(bio_err, "BIO_read failed\n");
1518 goto end;
1519 }
0f113f3e 1520 }
7e1b7485
RS		 1521 break;
1522 case PROTO_IMAP:
1523 {
1524 int foundit = 0;
1525 BIO *fbio = BIO_new(BIO_f_buffer());
1526 BIO_push(fbio, sbio);
1527 BIO_gets(fbio, mbuf, BUFSIZZ);
1528 /* STARTTLS command requires CAPABILITY... */
1529 BIO_printf(fbio, ". CAPABILITY\r\n");
1530 (void)BIO_flush(fbio);
1531 /* wait for multi-line CAPABILITY response */
1532 do {
1533 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1534 if (strstr(mbuf, "STARTTLS"))
1535 foundit = 1;
1536 }
1537 while (mbuf_len > 3 && mbuf[0] != '.');
1538 (void)BIO_flush(fbio);
1539 BIO_pop(fbio);
1540 BIO_free(fbio);
1541 if (!foundit)
1542 BIO_printf(bio_err,
1543 "didn't found STARTTLS in server response,"
1544 " try anyway...\n");
1545 BIO_printf(sbio, ". STARTTLS\r\n");
1546 BIO_read(sbio, sbuf, BUFSIZZ);
0f113f3e 1547 }
7e1b7485
RS		 1548 break;
1549 case PROTO_FTP:
1550 {
1551 BIO *fbio = BIO_new(BIO_f_buffer());
1552 BIO_push(fbio, sbio);
1553 /* wait for multi-line response to end from FTP */
1554 do {
1555 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1556 }
1557 while (mbuf_len > 3 && mbuf[3] == '-');
1558 (void)BIO_flush(fbio);
1559 BIO_pop(fbio);
1560 BIO_free(fbio);
1561 BIO_printf(sbio, "AUTH TLS\r\n");
1562 BIO_read(sbio, sbuf, BUFSIZZ);
0f113f3e 1563 }
7e1b7485
RS		 1564 break;
1565 case PROTO_XMPP:
0f113f3e 1566 {
7e1b7485
RS		 1567 int seen = 0;
1568 BIO_printf(sbio, "<stream:stream "
1569 "xmlns:stream='http://etherx.jabber.org/streams' "
1570 "xmlns='jabber:client' to='%s' version='1.0'>",
d8c25de5 1571 xmpphost ? xmpphost : host);
0f113f3e 1572 seen = BIO_read(sbio, mbuf, BUFSIZZ);
7e1b7485
RS		 1573 mbuf[seen] = 0;
1574 while (!strstr
1575 (mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")
1576 && !strstr(mbuf,
1577 "<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\""))
1578 {
1579 seen = BIO_read(sbio, mbuf, BUFSIZZ);
0f113f3e 1580
7e1b7485
RS		 1581 if (seen <= 0)
1582 goto shut;
0f113f3e 1583
7e1b7485
RS		 1584 mbuf[seen] = 0;
1585 }
1586 BIO_printf(sbio,
1587 "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
1588 seen = BIO_read(sbio, sbuf, BUFSIZZ);
1589 sbuf[seen] = 0;
1590 if (!strstr(sbuf, "<proceed"))
1591 goto shut;
1592 mbuf[0] = 0;
0f113f3e 1593 }
7e1b7485 1594 break;
d8c25de5
RS		 1595 case PROTO_TELNET:
1596 {
1597 static const unsigned char tls_do[] = {
1598 /* IAC DO START_TLS */
1599 255, 253, 46
1600 };
1601 static const unsigned char tls_will[] = {
1602 /* IAC WILL START_TLS */
1603 255, 251, 46
1604 };
1605 static const unsigned char tls_follows[] = {
1606 /* IAC SB START_TLS FOLLOWS IAC SE */
1607 255, 250, 46, 1, 255, 240
1608 };
1609 int bytes;
1610
1611 /* Telnet server should demand we issue START_TLS */
1612 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
1613 if (bytes != 3 || memcmp(mbuf, tls_do, 3) != 0)
1614 goto shut;
1615 /* Agree to issue START_TLS and send the FOLLOWS sub-command */
1616 BIO_write(sbio, tls_will, 3);
1617 BIO_write(sbio, tls_follows, 6);
1618 (void)BIO_flush(sbio);
1619 /* Telnet server also sent the FOLLOWS sub-command */
1620 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
1621 if (bytes != 6 || memcmp(mbuf, tls_follows, 6) != 0)
1622 goto shut;
1623 }
0f113f3e
MC		 1624 }
1625
1626 for (;;) {
1627 FD_ZERO(&readfds);
1628 FD_ZERO(&writefds);
1629
1630 if ((SSL_version(con) == DTLS1_VERSION) &&
1631 DTLSv1_get_timeout(con, &timeout))
1632 timeoutp = &timeout;
1633 else
1634 timeoutp = NULL;
1635
1636 if (SSL_in_init(con) && !SSL_total_renegotiations(con)) {
1637 in_init = 1;
1638 tty_on = 0;
1639 } else {
1640 tty_on = 1;
1641 if (in_init) {
1642 in_init = 0;
7e1b7485
RS		 1643#ifndef OPENSSL_NO_TLSEXT
1644 if (servername != NULL && !SSL_session_reused(con)) {
1645 BIO_printf(bio_c_out,
1646 "Server did %sacknowledge servername extension.\n",
1647 tlsextcbp.ack ? "" : "not ");
1648 }
1649#endif
0f113f3e
MC		 1650 if (sess_out) {
1651 BIO *stmp = BIO_new_file(sess_out, "w");
1652 if (stmp) {
1653 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));
1654 BIO_free(stmp);
1655 } else
1656 BIO_printf(bio_err, "Error writing session file %s\n",
1657 sess_out);
1658 }
1659 if (c_brief) {
1660 BIO_puts(bio_err, "CONNECTION ESTABLISHED\n");
ecf3a1fb 1661 print_ssl_summary(con);
0f113f3e
MC		 1662 }
1663
1664 print_stuff(bio_c_out, con, full_log);
1665 if (full_log > 0)
1666 full_log--;
1667
1668 if (starttls_proto) {
7e1b7485 1669 BIO_write(bio_err, mbuf, mbuf_len);
0f113f3e 1670 /* We don't need to know any more */
7e1b7485
RS		 1671 if (!reconnect)
1672 starttls_proto = PROTO_OFF;
0f113f3e
MC		 1673 }
1674
1675 if (reconnect) {
1676 reconnect--;
1677 BIO_printf(bio_c_out,
1678 "drop connection and then reconnect\n");
1679 SSL_shutdown(con);
1680 SSL_set_connect_state(con);
1681 SHUTDOWN(SSL_get_fd(con));
1682 goto re_start;
1683 }
1684 }
1685 }
1686
1687 ssl_pending = read_ssl && SSL_pending(con);
1688
1689 if (!ssl_pending) {
b317819b 1690#if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE)
0f113f3e
MC		 1691 if (tty_on) {
1692 if (read_tty)
1693 openssl_fdset(fileno(stdin), &readfds);
1694 if (write_tty)
1695 openssl_fdset(fileno(stdout), &writefds);
1696 }
1697 if (read_ssl)
1698 openssl_fdset(SSL_get_fd(con), &readfds);
1699 if (write_ssl)
1700 openssl_fdset(SSL_get_fd(con), &writefds);
06f4536a 1701#else
0f113f3e
MC		 1702 if (!tty_on || !write_tty) {
1703 if (read_ssl)
1704 openssl_fdset(SSL_get_fd(con), &readfds);
1705 if (write_ssl)
1706 openssl_fdset(SSL_get_fd(con), &writefds);
1707 }
1708#endif
0f113f3e
MC		 1709
1710 /*
1711 * Note: under VMS with SOCKETSHR the second parameter is
1712 * currently of type (int *) whereas under other systems it is
1713 * (void *) if you don't have a cast it will choke the compiler:
1714 * if you do have a cast then you can either go for (int *) or
1715 * (void *).
1716 */
3d7c4a5a 1717#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
0f113f3e
MC		 1718 /*
1719 * Under Windows/DOS we make the assumption that we can always
1720 * write to the tty: therefore if we need to write to the tty we
1721 * just fall through. Otherwise we timeout the select every
1722 * second and see if there are any keypresses. Note: this is a
1723 * hack, in a proper Windows application we wouldn't do this.
1724 */
1725 i = 0;
1726 if (!write_tty) {
1727 if (read_tty) {
1728 tv.tv_sec = 1;
1729 tv.tv_usec = 0;
1730 i = select(width, (void *)&readfds, (void *)&writefds,
1731 NULL, &tv);
1732# if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1733 if (!i && (!_kbhit() || !read_tty))
1734 continue;
1735# else
1736 if (!i && (!((_kbhit())
1737 || (WAIT_OBJECT_0 ==
1738 WaitForSingleObject(GetStdHandle
1739 (STD_INPUT_HANDLE),
1740 0)))
1741 || !read_tty))
1742 continue;
1743# endif
1744 } else
1745 i = select(width, (void *)&readfds, (void *)&writefds,
1746 NULL, timeoutp);
1747 }
47c1735a 1748#elif defined(OPENSSL_SYS_NETWARE)
0f113f3e
MC		 1749 if (!write_tty) {
1750 if (read_tty) {
1751 tv.tv_sec = 1;
1752 tv.tv_usec = 0;
1753 i = select(width, (void *)&readfds, (void *)&writefds,
1754 NULL, &tv);
1755 } else
1756 i = select(width, (void *)&readfds, (void *)&writefds,
1757 NULL, timeoutp);
1758 }
06f4536a 1759#else
0f113f3e
MC		 1760 i = select(width, (void *)&readfds, (void *)&writefds,
1761 NULL, timeoutp);
1762#endif
1763 if (i < 0) {
1764 BIO_printf(bio_err, "bad select %d\n",
1765 get_last_socket_error());
1766 goto shut;
1767 /* goto end; */
1768 }
1769 }
1770
1771 if ((SSL_version(con) == DTLS1_VERSION)
1772 && DTLSv1_handle_timeout(con) > 0) {
1773 BIO_printf(bio_err, "TIMEOUT occurred\n");
1774 }
1775
1776 if (!ssl_pending && FD_ISSET(SSL_get_fd(con), &writefds)) {
1777 k = SSL_write(con, &(cbuf[cbuf_off]), (unsigned int)cbuf_len);
1778 switch (SSL_get_error(con, k)) {
1779 case SSL_ERROR_NONE:
1780 cbuf_off += k;
1781 cbuf_len -= k;
1782 if (k <= 0)
1783 goto end;
1784 /* we have done a write(con,NULL,0); */
1785 if (cbuf_len <= 0) {
1786 read_tty = 1;
1787 write_ssl = 0;
1788 } else { /* if (cbuf_len > 0) */
1789
1790 read_tty = 0;
1791 write_ssl = 1;
1792 }
1793 break;
1794 case SSL_ERROR_WANT_WRITE:
1795 BIO_printf(bio_c_out, "write W BLOCK\n");
1796 write_ssl = 1;
1797 read_tty = 0;
1798 break;
1799 case SSL_ERROR_WANT_READ:
1800 BIO_printf(bio_c_out, "write R BLOCK\n");
1801 write_tty = 0;
1802 read_ssl = 1;
1803 write_ssl = 0;
1804 break;
1805 case SSL_ERROR_WANT_X509_LOOKUP:
1806 BIO_printf(bio_c_out, "write X BLOCK\n");
1807 break;
1808 case SSL_ERROR_ZERO_RETURN:
1809 if (cbuf_len != 0) {
1810 BIO_printf(bio_c_out, "shutdown\n");
1811 ret = 0;
1812 goto shut;
1813 } else {
1814 read_tty = 1;
1815 write_ssl = 0;
1816 break;
1817 }
1818
1819 case SSL_ERROR_SYSCALL:
1820 if ((k != 0) || (cbuf_len != 0)) {
1821 BIO_printf(bio_err, "write:errno=%d\n",
1822 get_last_socket_error());
1823 goto shut;
1824 } else {
1825 read_tty = 1;
1826 write_ssl = 0;
1827 }
1828 break;
1829 case SSL_ERROR_SSL:
1830 ERR_print_errors(bio_err);
1831 goto shut;
1832 }
1833 }
b317819b 1834#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
0f113f3e
MC		 1835 /* Assume Windows/DOS/BeOS can always write */
1836 else if (!ssl_pending && write_tty)
06f4536a 1837#else
0f113f3e 1838 else if (!ssl_pending && FD_ISSET(fileno(stdout), &writefds))
06f4536a 1839#endif
0f113f3e 1840 {
a53955d8 1841#ifdef CHARSET_EBCDIC
0f113f3e
MC		 1842 ascii2ebcdic(&(sbuf[sbuf_off]), &(sbuf[sbuf_off]), sbuf_len);
1843#endif
1844 i = raw_write_stdout(&(sbuf[sbuf_off]), sbuf_len);
1845
1846 if (i <= 0) {
1847 BIO_printf(bio_c_out, "DONE\n");
1848 ret = 0;
1849 goto shut;
1850 /* goto end; */
1851 }
1852
1853 sbuf_len -= i;;
1854 sbuf_off += i;
1855 if (sbuf_len <= 0) {
1856 read_ssl = 1;
1857 write_tty = 0;
1858 }
1859 } else if (ssl_pending || FD_ISSET(SSL_get_fd(con), &readfds)) {
58964a49 1860#ifdef RENEG
0f113f3e
MC		 1861 {
1862 static int iiii;
1863 if (++iiii == 52) {
1864 SSL_renegotiate(con);
1865 iiii = 0;
1866 }
1867 }
58964a49 1868#endif
0f113f3e 1869 k = SSL_read(con, sbuf, 1024 /* BUFSIZZ */ );
0f113f3e
MC		 1870
1871 switch (SSL_get_error(con, k)) {
1872 case SSL_ERROR_NONE:
1873 if (k <= 0)
1874 goto end;
1875 sbuf_off = 0;
1876 sbuf_len = k;
1877
1878 read_ssl = 0;
1879 write_tty = 1;
1880 break;
1881 case SSL_ERROR_WANT_WRITE:
1882 BIO_printf(bio_c_out, "read W BLOCK\n");
1883 write_ssl = 1;
1884 read_tty = 0;
1885 break;
1886 case SSL_ERROR_WANT_READ:
1887 BIO_printf(bio_c_out, "read R BLOCK\n");
1888 write_tty = 0;
1889 read_ssl = 1;
1890 if ((read_tty == 0) && (write_ssl == 0))
1891 write_ssl = 1;
1892 break;
1893 case SSL_ERROR_WANT_X509_LOOKUP:
1894 BIO_printf(bio_c_out, "read X BLOCK\n");
1895 break;
1896 case SSL_ERROR_SYSCALL:
1897 ret = get_last_socket_error();
1898 if (c_brief)
1899 BIO_puts(bio_err, "CONNECTION CLOSED BY SERVER\n");
1900 else
1901 BIO_printf(bio_err, "read:errno=%d\n", ret);
1902 goto shut;
1903 case SSL_ERROR_ZERO_RETURN:
1904 BIO_printf(bio_c_out, "closed\n");
1905 ret = 0;
1906 goto shut;
1907 case SSL_ERROR_SSL:
1908 ERR_print_errors(bio_err);
1909 goto shut;
1910 /* break; */
1911 }
1912 }
3d7c4a5a 1913#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
0f113f3e
MC		 1914# if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1915 else if (_kbhit())
1916# else
1917 else if ((_kbhit())
1918 || (WAIT_OBJECT_0 ==
1919 WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
1920# endif
4d8743f4 1921#elif defined (OPENSSL_SYS_NETWARE)
0f113f3e 1922 else if (_kbhit())
06f4536a 1923#else
0f113f3e
MC		 1924 else if (FD_ISSET(fileno(stdin), &readfds))
1925#endif
1926 {
1927 if (crlf) {
1928 int j, lf_num;
1929
1930 i = raw_read_stdin(cbuf, BUFSIZZ / 2);
1931 lf_num = 0;
1932 /* both loops are skipped when i <= 0 */
1933 for (j = 0; j < i; j++)
1934 if (cbuf[j] == '\n')
1935 lf_num++;
1936 for (j = i - 1; j >= 0; j--) {
1937 cbuf[j + lf_num] = cbuf[j];
1938 if (cbuf[j] == '\n') {
1939 lf_num--;
1940 i++;
1941 cbuf[j + lf_num] = '\r';
1942 }
1943 }
1944 assert(lf_num == 0);
1945 } else
1946 i = raw_read_stdin(cbuf, BUFSIZZ);
1947
6ba8a5b7 1948 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q' && cmdletters))) {
0f113f3e
MC		 1949 BIO_printf(bio_err, "DONE\n");
1950 ret = 0;
1951 goto shut;
1952 }
1953
6ba8a5b7 1954 if ((!c_ign_eof) && (cbuf[0] == 'R' && cmdletters)) {
0f113f3e
MC		 1955 BIO_printf(bio_err, "RENEGOTIATING\n");
1956 SSL_renegotiate(con);
1957 cbuf_len = 0;
1958 }
4817504d 1959#ifndef OPENSSL_NO_HEARTBEATS
6ba8a5b7 1960 else if ((!c_ign_eof) && (cbuf[0] == 'B' && cmdletters)) {
0f113f3e
MC		 1961 BIO_printf(bio_err, "HEARTBEATING\n");
1962 SSL_heartbeat(con);
1963 cbuf_len = 0;
1964 }
1965#endif
1966 else {
1967 cbuf_len = i;
1968 cbuf_off = 0;
a53955d8 1969#ifdef CHARSET_EBCDIC
0f113f3e
MC		 1970 ebcdic2ascii(cbuf, cbuf, i);
1971#endif
1972 }
1973
1974 write_ssl = 1;
1975 read_tty = 0;
1976 }
1977 }
1978
1979 ret = 0;
1980 shut:
1981 if (in_init)
1982 print_stuff(bio_c_out, con, full_log);
1983 SSL_shutdown(con);
1984 SHUTDOWN(SSL_get_fd(con));
1985 end:
1986 if (con != NULL) {
1987 if (prexit != 0)
1988 print_stuff(bio_c_out, con, 1);
1989 SSL_free(con);
1990 }
dd251659 1991#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
0f113f3e
MC		 1992 if (next_proto.data)
1993 OPENSSL_free(next_proto.data);
1994#endif
62adbcee 1995 SSL_CTX_free(ctx);
222561fe 1996 X509_free(cert);
4b45c6e5 1997 sk_X509_CRL_pop_free(crls, X509_CRL_free);
c5ba2d99 1998 EVP_PKEY_free(key);
222561fe 1999 sk_X509_pop_free(chain, X509_free);
0f113f3e
MC		 2000 if (pass)
2001 OPENSSL_free(pass);
222561fe 2002 X509_VERIFY_PARAM_free(vpm);
0f113f3e 2003 ssl_excert_free(exc);
7e1b7485 2004 sk_OPENSSL_STRING_free(ssl_args);
62adbcee 2005 SSL_CONF_CTX_free(cctx);
b252cf0d 2006#ifndef OPENSSL_NO_JPAKE
0f113f3e
MC		 2007 if (jpake_secret && psk_key)
2008 OPENSSL_free(psk_key);
2009#endif
4b45c6e5
RS		 2010 OPENSSL_clear_free(cbuf, BUFSIZZ);
2011 OPENSSL_clear_free(sbuf, BUFSIZZ);
2012 OPENSSL_clear_free(mbuf, BUFSIZZ);
ca3a82c3
RS		 2013 BIO_free(bio_c_out);
2014 bio_c_out = NULL;
2015 BIO_free(bio_c_msg);
2016 bio_c_msg = NULL;
7e1b7485 2017 return (ret);
0f113f3e 2018}
d02b48c6 2019
6b691a5c 2020static void print_stuff(BIO *bio, SSL *s, int full)
0f113f3e
MC		 2021{
2022 X509 *peer = NULL;
2023 char buf[BUFSIZ];
2024 STACK_OF(X509) *sk;
2025 STACK_OF(X509_NAME) *sk2;
2026 const SSL_CIPHER *c;
2027 X509_NAME *xn;
2028 int i;
09b6c2ef 2029#ifndef OPENSSL_NO_COMP
0f113f3e
MC		 2030 const COMP_METHOD *comp, *expansion;
2031#endif
2032 unsigned char *exportedkeymat;
2033
2034 if (full) {
2035 int got_a_chain = 0;
2036
2037 sk = SSL_get_peer_cert_chain(s);
2038 if (sk != NULL) {
7e1b7485 2039 got_a_chain = 1;
0f113f3e
MC		 2040
2041 BIO_printf(bio, "---\nCertificate chain\n");
2042 for (i = 0; i < sk_X509_num(sk); i++) {
2043 X509_NAME_oneline(X509_get_subject_name(sk_X509_value(sk, i)),
2044 buf, sizeof buf);
2045 BIO_printf(bio, "%2d s:%s\n", i, buf);
2046 X509_NAME_oneline(X509_get_issuer_name(sk_X509_value(sk, i)),
2047 buf, sizeof buf);
2048 BIO_printf(bio, " i:%s\n", buf);
2049 if (c_showcerts)
2050 PEM_write_bio_X509(bio, sk_X509_value(sk, i));
2051 }
2052 }
2053
2054 BIO_printf(bio, "---\n");
2055 peer = SSL_get_peer_certificate(s);
2056 if (peer != NULL) {
2057 BIO_printf(bio, "Server certificate\n");
2058
2059 /* Redundant if we showed the whole chain */
2060 if (!(c_showcerts && got_a_chain))
2061 PEM_write_bio_X509(bio, peer);
2062 X509_NAME_oneline(X509_get_subject_name(peer), buf, sizeof buf);
2063 BIO_printf(bio, "subject=%s\n", buf);
2064 X509_NAME_oneline(X509_get_issuer_name(peer), buf, sizeof buf);
2065 BIO_printf(bio, "issuer=%s\n", buf);
2066 } else
2067 BIO_printf(bio, "no peer certificate available\n");
2068
2069 sk2 = SSL_get_client_CA_list(s);
2070 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0)) {
2071 BIO_printf(bio, "---\nAcceptable client certificate CA names\n");
2072 for (i = 0; i < sk_X509_NAME_num(sk2); i++) {
2073 xn = sk_X509_NAME_value(sk2, i);
2074 X509_NAME_oneline(xn, buf, sizeof(buf));
2075 BIO_write(bio, buf, strlen(buf));
2076 BIO_write(bio, "\n", 1);
2077 }
2078 } else {
2079 BIO_printf(bio, "---\nNo client certificate CA names sent\n");
2080 }
2081
2082 ssl_print_sigalgs(bio, s);
2083 ssl_print_tmp_key(bio, s);
2084
2085 BIO_printf(bio,
2086 "---\nSSL handshake has read %ld bytes and written %ld bytes\n",
2087 BIO_number_read(SSL_get_rbio(s)),
2088 BIO_number_written(SSL_get_wbio(s)));
2089 }
2090 BIO_printf(bio, (SSL_cache_hit(s) ? "---\nReused, " : "---\nNew, "));
2091 c = SSL_get_current_cipher(s);
2092 BIO_printf(bio, "%s, Cipher is %s\n",
2093 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
2094 if (peer != NULL) {
2095 EVP_PKEY *pktmp;
2096 pktmp = X509_get_pubkey(peer);
2097 BIO_printf(bio, "Server public key is %d bit\n",
2098 EVP_PKEY_bits(pktmp));
2099 EVP_PKEY_free(pktmp);
2100 }
2101 BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
2102 SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
09b6c2ef 2103#ifndef OPENSSL_NO_COMP
0f113f3e
MC		 2104 comp = SSL_get_current_compression(s);
2105 expansion = SSL_get_current_expansion(s);
2106 BIO_printf(bio, "Compression: %s\n",
2107 comp ? SSL_COMP_get_name(comp) : "NONE");
2108 BIO_printf(bio, "Expansion: %s\n",
2109 expansion ? SSL_COMP_get_name(expansion) : "NONE");
2110#endif
2111
57559471 2112#ifdef SSL_DEBUG
0f113f3e
MC		 2113 {
2114 /* Print out local port of connection: useful for debugging */
2115 int sock;
2116 struct sockaddr_in ladd;
2117 socklen_t ladd_size = sizeof(ladd);
2118 sock = SSL_get_fd(s);
2119 getsockname(sock, (struct sockaddr *)&ladd, &ladd_size);
2120 BIO_printf(bio_c_out, "LOCAL PORT is %u\n", ntohs(ladd.sin_port));
2121 }
a2f9200f
DSH		 2122#endif
2123
6f017a8f
AL		 2124#if !defined(OPENSSL_NO_TLSEXT)
2125# if !defined(OPENSSL_NO_NEXTPROTONEG)
0f113f3e
MC		 2126 if (next_proto.status != -1) {
2127 const unsigned char *proto;
2128 unsigned int proto_len;
2129 SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
2130 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
2131 BIO_write(bio, proto, proto_len);
2132 BIO_write(bio, "\n", 1);
2133 }
2911575c 2134# endif
0f113f3e
MC		 2135 {
2136 const unsigned char *proto;
2137 unsigned int proto_len;
2138 SSL_get0_alpn_selected(s, &proto, &proto_len);
2139 if (proto_len > 0) {
2140 BIO_printf(bio, "ALPN protocol: ");
2141 BIO_write(bio, proto, proto_len);
2142 BIO_write(bio, "\n", 1);
2143 } else
2144 BIO_printf(bio, "No ALPN negotiated\n");
2145 }
71fa4513
BL		 2146#endif
2147
e783bae2 2148#ifndef OPENSSL_NO_SRTP
0f113f3e
MC		 2149 {
2150 SRTP_PROTECTION_PROFILE *srtp_profile =
2151 SSL_get_selected_srtp_profile(s);
2152
2153 if (srtp_profile)
2154 BIO_printf(bio, "SRTP Extension negotiated, profile=%s\n",
2155 srtp_profile->name);
2156 }
2157#endif
2158
2159 SSL_SESSION_print(bio, SSL_get_session(s));
2160 if (keymatexportlabel != NULL) {
2161 BIO_printf(bio, "Keying material exporter:\n");
2162 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel);
2163 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen);
68dc6824
RS		 2164 exportedkeymat = app_malloc(keymatexportlen, "export key");
2165 if (!SSL_export_keying_material(s, exportedkeymat,
2166 keymatexportlen,
2167 keymatexportlabel,
2168 strlen(keymatexportlabel),
2169 NULL, 0, 0)) {
2170 BIO_printf(bio, " Error\n");
2171 } else {
2172 BIO_printf(bio, " Keying material: ");
2173 for (i = 0; i < keymatexportlen; i++)
2174 BIO_printf(bio, "%02X", exportedkeymat[i]);
2175 BIO_printf(bio, "\n");
0f113f3e 2176 }
68dc6824 2177 OPENSSL_free(exportedkeymat);
0f113f3e
MC		 2178 }
2179 BIO_printf(bio, "---\n");
222561fe 2180 X509_free(peer);
0f113f3e
MC		 2181 /* flush, or debugging output gets mixed with http response */
2182 (void)BIO_flush(bio);
2183}
d02b48c6 2184
0702150f
DSH		 2185#ifndef OPENSSL_NO_TLSEXT
2186
67c8e7f4 2187static int ocsp_resp_cb(SSL *s, void *arg)
0f113f3e
MC		 2188{
2189 const unsigned char *p;
2190 int len;
2191 OCSP_RESPONSE *rsp;
2192 len = SSL_get_tlsext_status_ocsp_resp(s, &p);
2193 BIO_puts(arg, "OCSP response: ");
2194 if (!p) {
2195 BIO_puts(arg, "no response sent\n");
2196 return 1;
2197 }
2198 rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
2199 if (!rsp) {
2200 BIO_puts(arg, "response parse error\n");
2201 BIO_dump_indent(arg, (char *)p, len, 4);
2202 return 0;
2203 }
2204 BIO_puts(arg, "\n======================================\n");
2205 OCSP_RESPONSE_print(arg, rsp, 0);
2206 BIO_puts(arg, "======================================\n");
2207 OCSP_RESPONSE_free(rsp);
2208 return 1;
2209}
0702150f
DSH		 2210
2211#endif
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