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Add an SSL_has_pending() function
[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
ddac1974 137#include <ctype.h>
8c197cc5
UM		 138#include <stdio.h>
139#include <stdlib.h>
140#include <string.h>
cddd424a 141#include <errno.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>
5e6f9775 164#include <openssl/async.h>
edc032b5 165#ifndef OPENSSL_NO_SRP
0f113f3e 166# include <openssl/srp.h>
edc032b5 167#endif
dd696a55
RP		 168#ifndef OPENSSL_NO_CT
169# include <openssl/ct.h>
170#endif
d02b48c6 171#include "s_apps.h"
36d16f8e 172#include "timeouts.h"
d02b48c6 173
efc943be
EK		 174#if defined(__has_feature)
175# if __has_feature(memory_sanitizer)
176# include <sanitizer/msan_interface.h>
177# endif
178#endif
179
d02b48c6
RE		 180#undef BUFSIZZ
181#define BUFSIZZ 1024*8
cfb4f1ef 182#define S_CLIENT_IRC_READ_TIMEOUT 8
d02b48c6
RE		 183
184extern int verify_depth;
185extern int verify_error;
5d20c4fb 186extern int verify_return_error;
2a7cbe77 187extern int verify_quiet;
d02b48c6 188
cddd424a 189static char *prog;
7e25dd6d 190static int async = 0;
032c6d21
MC		 191static unsigned int split_send_fragment = 0;
192static unsigned int max_pipelines = 0;
0f113f3e 193static int c_nbio = 0;
0f113f3e
MC		 194static int c_tlsextdebug = 0;
195static int c_status_req = 0;
7e1b7485 196static int c_debug = 0;
0f113f3e
MC		 197static int c_msg = 0;
198static int c_showcerts = 0;
0f113f3e
MC		 199static char *keymatexportlabel = NULL;
200static int keymatexportlen = 20;
0f113f3e
MC		 201static BIO *bio_c_out = NULL;
202static BIO *bio_c_msg = NULL;
203static int c_quiet = 0;
204static int c_ign_eof = 0;
205static int c_brief = 0;
d02b48c6 206
7e1b7485 207static void print_stuff(BIO *berr, SSL *con, int full);
7e1b7485 208static int ocsp_resp_cb(SSL *s, void *arg);
7e1b7485 209
cddd424a
VD		 210static int saved_errno;
211
212static void save_errno(void)
213{
214 saved_errno = errno;
215 errno = 0;
216}
217
218static int restore_errno(void)
219{
220 int ret = errno;
221 errno = saved_errno;
222 return ret;
223}
224
ec447924
MC		 225static void do_ssl_shutdown(SSL *ssl)
226{
227 int ret;
228
229 do {
230 /* We only do unidirectional shutdown */
231 ret = SSL_shutdown(ssl);
232 if (ret < 0) {
233 switch (SSL_get_error(ssl, ret)) {
234 case SSL_ERROR_WANT_READ:
235 case SSL_ERROR_WANT_WRITE:
236 case SSL_ERROR_WANT_ASYNC:
237 /* We just do busy waiting. Nothing clever */
238 continue;
239 }
240 ret = 0;
241 }
242 } while (ret < 0);
243}
244
245
ddac1974
NL		 246#ifndef OPENSSL_NO_PSK
247/* Default PSK identity and key */
0f113f3e
MC		 248static char *psk_identity = "Client_identity";
249/*
250 * char *psk_key=NULL; by default PSK is not used
251 */
ddac1974
NL		 252
253static unsigned int psk_client_cb(SSL *ssl, const char *hint, char *identity,
0f113f3e
MC		 254 unsigned int max_identity_len,
255 unsigned char *psk,
256 unsigned int max_psk_len)
257{
258 unsigned int psk_len = 0;
259 int ret;
260 BIGNUM *bn = NULL;
261
262 if (c_debug)
263 BIO_printf(bio_c_out, "psk_client_cb\n");
264 if (!hint) {
265 /* no ServerKeyExchange message */
266 if (c_debug)
267 BIO_printf(bio_c_out,
268 "NULL received PSK identity hint, continuing anyway\n");
269 } else if (c_debug)
270 BIO_printf(bio_c_out, "Received PSK identity hint '%s'\n", hint);
271
272 /*
273 * lookup PSK identity and PSK key based on the given identity hint here
274 */
275 ret = BIO_snprintf(identity, max_identity_len, "%s", psk_identity);
276 if (ret < 0 || (unsigned int)ret > max_identity_len)
277 goto out_err;
278 if (c_debug)
279 BIO_printf(bio_c_out, "created identity '%s' len=%d\n", identity,
280 ret);
281 ret = BN_hex2bn(&bn, psk_key);
282 if (!ret) {
283 BIO_printf(bio_err, "Could not convert PSK key '%s' to BIGNUM\n",
284 psk_key);
23a1d5e9 285 BN_free(bn);
0f113f3e
MC		 286 return 0;
287 }
ddac1974 288
0f113f3e
MC		 289 if ((unsigned int)BN_num_bytes(bn) > max_psk_len) {
290 BIO_printf(bio_err,
291 "psk buffer of callback is too small (%d) for key (%d)\n",
292 max_psk_len, BN_num_bytes(bn));
ddac1974 293 BN_free(bn);
0f113f3e
MC		 294 return 0;
295 }
ddac1974 296
0f113f3e
MC		 297 psk_len = BN_bn2bin(bn, psk);
298 BN_free(bn);
299 if (psk_len == 0)
300 goto out_err;
ddac1974 301
0f113f3e
MC		 302 if (c_debug)
303 BIO_printf(bio_c_out, "created PSK len=%d\n", psk_len);
304
305 return psk_len;
ddac1974 306 out_err:
0f113f3e
MC		 307 if (c_debug)
308 BIO_printf(bio_err, "Error in PSK client callback\n");
309 return 0;
310}
ddac1974
NL		 311#endif
312
ed3883d2
BM		 313/* This is a context that we pass to callbacks */
314typedef struct tlsextctx_st {
0f113f3e
MC		 315 BIO *biodebug;
316 int ack;
ed3883d2
BM		 317} tlsextctx;
318
6d23cf97 319static int ssl_servername_cb(SSL *s, int *ad, void *arg)
0f113f3e
MC		 320{
321 tlsextctx *p = (tlsextctx *) arg;
322 const char *hn = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
323 if (SSL_get_servername_type(s) != -1)
324 p->ack = !SSL_session_reused(s) && hn != NULL;
325 else
326 BIO_printf(bio_err, "Can't use SSL_get_servername\n");
327
328 return SSL_TLSEXT_ERR_OK;
329}
ee2ffc27 330
e481f9b9 331#ifndef OPENSSL_NO_SRP
edc032b5
BL		 332
333/* This is a context that we pass to all callbacks */
0f113f3e
MC		 334typedef struct srp_arg_st {
335 char *srppassin;
336 char *srplogin;
337 int msg; /* copy from c_msg */
338 int debug; /* copy from c_debug */
339 int amp; /* allow more groups */
340 int strength /* minimal size for N */ ;
341} SRP_ARG;
342
e481f9b9 343# define SRP_NUMBER_ITERATIONS_FOR_PRIME 64
edc032b5 344
f2fc3075 345static int srp_Verify_N_and_g(const BIGNUM *N, const BIGNUM *g)
0f113f3e
MC		 346{
347 BN_CTX *bn_ctx = BN_CTX_new();
348 BIGNUM *p = BN_new();
349 BIGNUM *r = BN_new();
350 int ret =
351 g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) &&
352 BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
353 p != NULL && BN_rshift1(p, N) &&
354 /* p = (N-1)/2 */
355 BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
356 r != NULL &&
357 /* verify g^((N-1)/2) == -1 (mod N) */
358 BN_mod_exp(r, g, p, N, bn_ctx) &&
359 BN_add_word(r, 1) && BN_cmp(r, N) == 0;
360
23a1d5e9
RS		 361 BN_free(r);
362 BN_free(p);
363 BN_CTX_free(bn_ctx);
0f113f3e
MC		 364 return ret;
365}
edc032b5 366
c80fd6b2
MC		 367/*-
368 * This callback is used here for two purposes:
369 * - extended debugging
370 * - making some primality tests for unknown groups
371 * The callback is only called for a non default group.
372 *
373 * An application does not need the call back at all if
0f113f3e
MC		 374 * only the stanard groups are used. In real life situations,
375 * client and server already share well known groups,
376 * thus there is no need to verify them.
c80fd6b2 377 * Furthermore, in case that a server actually proposes a group that
0f113f3e
MC		 378 * is not one of those defined in RFC 5054, it is more appropriate
379 * to add the group to a static list and then compare since
c80fd6b2
MC		 380 * primality tests are rather cpu consuming.
381 */
f2fc3075 382
6d23cf97 383static int ssl_srp_verify_param_cb(SSL *s, void *arg)
0f113f3e
MC		 384{
385 SRP_ARG *srp_arg = (SRP_ARG *)arg;
386 BIGNUM *N = NULL, *g = NULL;
75ebbd9a
RS		 387
388 if (((N = SSL_get_srp_N(s)) == NULL) || ((g = SSL_get_srp_g(s)) == NULL))
0f113f3e
MC		 389 return 0;
390 if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1) {
391 BIO_printf(bio_err, "SRP parameters:\n");
392 BIO_printf(bio_err, "\tN=");
393 BN_print(bio_err, N);
394 BIO_printf(bio_err, "\n\tg=");
395 BN_print(bio_err, g);
396 BIO_printf(bio_err, "\n");
397 }
398
399 if (SRP_check_known_gN_param(g, N))
400 return 1;
401
402 if (srp_arg->amp == 1) {
403 if (srp_arg->debug)
404 BIO_printf(bio_err,
405 "SRP param N and g are not known params, going to check deeper.\n");
406
407 /*
408 * The srp_moregroups is a real debugging feature. Implementors
409 * should rather add the value to the known ones. The minimal size
410 * has already been tested.
411 */
412 if (BN_num_bits(g) <= BN_BITS && srp_Verify_N_and_g(N, g))
413 return 1;
414 }
415 BIO_printf(bio_err, "SRP param N and g rejected.\n");
416 return 0;
417}
edc032b5 418
e481f9b9 419# define PWD_STRLEN 1024
0f113f3e
MC		 420
421static char *ssl_give_srp_client_pwd_cb(SSL *s, void *arg)
422{
423 SRP_ARG *srp_arg = (SRP_ARG *)arg;
68dc6824 424 char *pass = app_malloc(PWD_STRLEN + 1, "SRP password buffer");
0f113f3e
MC		 425 PW_CB_DATA cb_tmp;
426 int l;
427
428 cb_tmp.password = (char *)srp_arg->srppassin;
429 cb_tmp.prompt_info = "SRP user";
430 if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp)) < 0) {
431 BIO_printf(bio_err, "Can't read Password\n");
432 OPENSSL_free(pass);
433 return NULL;
434 }
435 *(pass + l) = '\0';
436
437 return pass;
438}
439
e481f9b9 440#endif
7e1b7485 441
df2ee0e2 442static char *srtp_profiles = NULL;
edc032b5 443
e481f9b9 444#ifndef OPENSSL_NO_NEXTPROTONEG
ee2ffc27
BL		 445/* This the context that we pass to next_proto_cb */
446typedef struct tlsextnextprotoctx_st {
0f113f3e
MC		 447 unsigned char *data;
448 unsigned short len;
449 int status;
ee2ffc27
BL		 450} tlsextnextprotoctx;
451
452static tlsextnextprotoctx next_proto;
453
0f113f3e
MC		 454static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen,
455 const unsigned char *in, unsigned int inlen,
456 void *arg)
457{
458 tlsextnextprotoctx *ctx = arg;
459
460 if (!c_quiet) {
461 /* We can assume that |in| is syntactically valid. */
462 unsigned i;
463 BIO_printf(bio_c_out, "Protocols advertised by server: ");
464 for (i = 0; i < inlen;) {
465 if (i)
466 BIO_write(bio_c_out, ", ", 2);
467 BIO_write(bio_c_out, &in[i + 1], in[i]);
468 i += in[i] + 1;
469 }
470 BIO_write(bio_c_out, "\n", 1);
471 }
472
473 ctx->status =
474 SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len);
475 return SSL_TLSEXT_ERR_OK;
476}
e481f9b9 477#endif /* ndef OPENSSL_NO_NEXTPROTONEG */
0f113f3e
MC		 478
479static int serverinfo_cli_parse_cb(SSL *s, unsigned int ext_type,
480 const unsigned char *in, size_t inlen,
481 int *al, void *arg)
85c67492 482{
0f113f3e
MC		 483 char pem_name[100];
484 unsigned char ext_buf[4 + 65536];
485
486 /* Reconstruct the type/len fields prior to extension data */
487 ext_buf[0] = ext_type >> 8;
488 ext_buf[1] = ext_type & 0xFF;
489 ext_buf[2] = inlen >> 8;
490 ext_buf[3] = inlen & 0xFF;
491 memcpy(ext_buf + 4, in, inlen);
492
493 BIO_snprintf(pem_name, sizeof(pem_name), "SERVERINFO FOR EXTENSION %d",
494 ext_type);
495 PEM_write_bio(bio_c_out, pem_name, "", ext_buf, 4 + inlen);
496 return 1;
497}
498
cddd424a
VD		 499/*
500 * Hex decoder that tolerates optional whitespace. Returns number of bytes
501 * produced, advances inptr to end of input string.
502 */
503static ossl_ssize_t hexdecode(const char **inptr, void *result)
504{
505 unsigned char **out = (unsigned char **)result;
506 const char *in = *inptr;
507 unsigned char *ret = OPENSSL_malloc(strlen(in)/2);
508 unsigned char *cp = ret;
509 uint8_t byte;
510 int nibble = 0;
511
512 if (ret == NULL)
513 return -1;
514
515 for (byte = 0; *in; ++in) {
516 char c;
517
18295f0c 518 if (isspace(_UC(*in)))
cddd424a 519 continue;
18295f0c 520 c = tolower(_UC(*in));
cddd424a
VD		 521 if ('0' <= c && c <= '9') {
522 byte |= c - '0';
523 } else if ('a' <= c && c <= 'f') {
524 byte |= c - 'a' + 10;
525 } else {
526 OPENSSL_free(ret);
527 return 0;
528 }
529 if ((nibble ^= 1) == 0) {
530 *cp++ = byte;
531 byte = 0;
532 } else {
533 byte <<= 4;
534 }
535 }
536 if (nibble != 0) {
537 OPENSSL_free(ret);
538 return 0;
539 }
540 *inptr = in;
541
542 return cp - (*out = ret);
543}
544
545/*
546 * Decode unsigned 0..255, returns 1 on success, <= 0 on failure. Advances
547 * inptr to next field skipping leading whitespace.
548 */
549static ossl_ssize_t checked_uint8(const char **inptr, void *out)
550{
551 uint8_t *result = (uint8_t *)out;
552 const char *in = *inptr;
553 char *endp;
554 long v;
555 int e;
556
557 save_errno();
558 v = strtol(in, &endp, 10);
559 e = restore_errno();
560
561 if (((v == LONG_MIN || v == LONG_MAX) && e == ERANGE) ||
18295f0c 562 endp == in || !isspace(_UC(*endp)) ||
cddd424a
VD		 563 v != (*result = (uint8_t) v)) {
564 return -1;
565 }
18295f0c 566 for (in = endp; isspace(_UC(*in)); ++in)
cddd424a
VD		 567 continue;
568
569 *inptr = in;
570 return 1;
571}
572
7ff970ef
RS		 573struct tlsa_field {
574 void *var;
575 const char *name;
576 ossl_ssize_t (*parser)(const char **, void *);
577};
578
cddd424a
VD		 579static int tlsa_import_rr(SSL *con, const char *rrdata)
580{
7ff970ef
RS		 581 /* Not necessary to re-init these values; the "parsers" do that. */
582 static uint8_t usage;
583 static uint8_t selector;
584 static uint8_t mtype;
585 static unsigned char *data;
f232d6ec 586 static struct tlsa_field tlsa_fields[] = {
cddd424a
VD		 587 { &usage, "usage", checked_uint8 },
588 { &selector, "selector", checked_uint8 },
589 { &mtype, "mtype", checked_uint8 },
590 { &data, "data", hexdecode },
591 { NULL, }
592 };
593 struct tlsa_field *f;
7ff970ef
RS		 594 int ret;
595 const char *cp = rrdata;
596 ossl_ssize_t len = 0;
cddd424a
VD		 597
598 for (f = tlsa_fields; f->var; ++f) {
599 /* Returns number of bytes produced, advances cp to next field */
600 if ((len = f->parser(&cp, f->var)) <= 0) {
601 BIO_printf(bio_err, "%s: warning: bad TLSA %s field in: %s\n",
602 prog, f->name, rrdata);
603 return 0;
604 }
605 }
606 /* The data field is last, so len is its length */
607 ret = SSL_dane_tlsa_add(con, usage, selector, mtype, data, len);
608 OPENSSL_free(data);
609
610 if (ret == 0) {
611 ERR_print_errors(bio_err);
612 BIO_printf(bio_err, "%s: warning: unusable TLSA rrdata: %s\n",
613 prog, rrdata);
614 return 0;
615 }
616 if (ret < 0) {
617 ERR_print_errors(bio_err);
618 BIO_printf(bio_err, "%s: warning: error loading TLSA rrdata: %s\n",
619 prog, rrdata);
620 return 0;
621 }
622 return ret;
623}
624
625static int tlsa_import_rrset(SSL *con, STACK_OF(OPENSSL_STRING) *rrset)
626{
627 int num = sk_OPENSSL_STRING_num(rrset);
628 int count = 0;
629 int i;
630
631 for (i = 0; i < num; ++i) {
632 char *rrdata = sk_OPENSSL_STRING_value(rrset, i);
633 if (tlsa_import_rr(con, rrdata) > 0)
634 ++count;
635 }
636 return count > 0;
637}
638
7e1b7485
RS		 639typedef enum OPTION_choice {
640 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
ab69ac00
RL		 641 OPT_4, OPT_6, OPT_HOST, OPT_PORT, OPT_CONNECT, OPT_UNIX,
642 OPT_XMPPHOST, OPT_VERIFY,
7e1b7485
RS		 643 OPT_CERT, OPT_CRL, OPT_CRL_DOWNLOAD, OPT_SESS_OUT, OPT_SESS_IN,
644 OPT_CERTFORM, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET,
645 OPT_BRIEF, OPT_PREXIT, OPT_CRLF, OPT_QUIET, OPT_NBIO,
646 OPT_SSL_CLIENT_ENGINE, OPT_RAND, OPT_IGN_EOF, OPT_NO_IGN_EOF,
3a4e9367 647 OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_WDEBUG,
7e1b7485
RS		 648 OPT_MSG, OPT_MSGFILE, OPT_ENGINE, OPT_TRACE, OPT_SECURITY_DEBUG,
649 OPT_SECURITY_DEBUG_VERBOSE, OPT_SHOWCERTS, OPT_NBIO_TEST, OPT_STATE,
650 OPT_PSK_IDENTITY, OPT_PSK, OPT_SRPUSER, OPT_SRPPASS, OPT_SRP_STRENGTH,
287d0b94 651 OPT_SRP_LATEUSER, OPT_SRP_MOREGROUPS, OPT_SSL3, OPT_SSL_CONFIG,
7e1b7485
RS		 652 OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1,
653 OPT_DTLS1_2, OPT_TIMEOUT, OPT_MTU, OPT_KEYFORM, OPT_PASS,
2b6bcb70
MC		 654 OPT_CERT_CHAIN, OPT_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH,
655 OPT_KEY, OPT_RECONNECT, OPT_BUILD_CHAIN, OPT_CAFILE, OPT_NOCAFILE,
7e1b7485 656 OPT_CHAINCAFILE, OPT_VERIFYCAFILE, OPT_NEXTPROTONEG, OPT_ALPN,
dba31777 657 OPT_SERVERINFO, OPT_STARTTLS, OPT_SERVERNAME,
d8c25de5 658 OPT_USE_SRTP, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN, OPT_SMTPHOST,
dad78fb1 659 OPT_ASYNC, OPT_SPLIT_SEND_FRAG, OPT_MAX_PIPELINES, OPT_READ_BUF,
7e1b7485
RS		 660 OPT_V_ENUM,
661 OPT_X_ENUM,
662 OPT_S_ENUM,
cddd424a 663 OPT_FALLBACKSCSV, OPT_NOCMDS, OPT_PROXY, OPT_DANE_TLSA_DOMAIN,
dd696a55
RP		 664#ifndef OPENSSL_NO_CT
665 OPT_NOCT, OPT_REQUESTCT, OPT_REQUIRECT, OPT_CTLOG_FILE,
666#endif
cddd424a 667 OPT_DANE_TLSA_RRDATA
7e1b7485
RS		 668} OPTION_CHOICE;
669
670OPTIONS s_client_options[] = {
671 {"help", OPT_HELP, '-', "Display this summary"},
672 {"host", OPT_HOST, 's', "Use -connect instead"},
673 {"port", OPT_PORT, 'p', "Use -connect instead"},
674 {"connect", OPT_CONNECT, 's',
ab69ac00 675 "TCP/IP where to connect (default is :" PORT ")"},
552bf8ec
MT		 676 {"proxy", OPT_PROXY, 's',
677 "Connect to via specified proxy to the real server"},
ab69ac00 678#ifdef AF_UNIX
7e1b7485 679 {"unix", OPT_UNIX, 's', "Connect over unix domain sockets"},
ab69ac00
RL		 680#endif
681 {"4", OPT_4, '-', "Use IPv4 only"},
682 {"6", OPT_6, '-', "Use IPv6 only"},
7e1b7485
RS		 683 {"verify", OPT_VERIFY, 'p', "Turn on peer certificate verification"},
684 {"cert", OPT_CERT, '<', "Certificate file to use, PEM format assumed"},
685 {"certform", OPT_CERTFORM, 'F',
686 "Certificate format (PEM or DER) PEM default"},
687 {"key", OPT_KEY, '<', "Private key file to use, if not in -cert file"},
688 {"keyform", OPT_KEYFORM, 'F', "Key format (PEM or DER) PEM default"},
689 {"pass", OPT_PASS, 's', "Private key file pass phrase source"},
690 {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
691 {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
2b6bcb70
MC		 692 {"no-CAfile", OPT_NOCAFILE, '-',
693 "Do not load the default certificates file"},
694 {"no-CApath", OPT_NOCAPATH, '-',
695 "Do not load certificates from the default certificates directory"},
cddd424a
VD		 696 {"dane_tlsa_domain", OPT_DANE_TLSA_DOMAIN, 's', "DANE TLSA base domain"},
697 {"dane_tlsa_rrdata", OPT_DANE_TLSA_RRDATA, 's',
698 "DANE TLSA rrdata presentation form"},
7e1b7485
RS		 699 {"reconnect", OPT_RECONNECT, '-',
700 "Drop and re-make the connection with the same Session-ID"},
7e1b7485
RS		 701 {"showcerts", OPT_SHOWCERTS, '-', "Show all certificates in the chain"},
702 {"debug", OPT_DEBUG, '-', "Extra output"},
703 {"msg", OPT_MSG, '-', "Show protocol messages"},
9a13bb38
RS		 704 {"msgfile", OPT_MSGFILE, '>',
705 "File to send output of -msg or -trace, instead of stdout"},
7e1b7485
RS		 706 {"nbio_test", OPT_NBIO_TEST, '-', "More ssl protocol testing"},
707 {"state", OPT_STATE, '-', "Print the ssl states"},
708 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"},
709 {"quiet", OPT_QUIET, '-', "No s_client output"},
710 {"ign_eof", OPT_IGN_EOF, '-', "Ignore input eof (default when -quiet)"},
711 {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Don't ignore input eof"},
7e1b7485 712 {"starttls", OPT_STARTTLS, 's',
cfb4f1ef 713 "Use the appropriate STARTTLS command before starting TLS"},
898ea7b8
KE		 714 {"xmpphost", OPT_XMPPHOST, 's',
715 "Host to use with \"-starttls xmpp[-server]\""},
7e1b7485
RS		 716 {"rand", OPT_RAND, 's',
717 "Load the file(s) into the random number generator"},
718 {"sess_out", OPT_SESS_OUT, '>', "File to write SSL session to"},
719 {"sess_in", OPT_SESS_IN, '<', "File to read SSL session from"},
e77bdc73 720 {"use_srtp", OPT_USE_SRTP, 's',
7e1b7485
RS		 721 "Offer SRTP key management with a colon-separated profile list"},
722 {"keymatexport", OPT_KEYMATEXPORT, 's',
723 "Export keying material using label"},
724 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
725 "Export len bytes of keying material (default 20)"},
726 {"fallback_scsv", OPT_FALLBACKSCSV, '-', "Send the fallback SCSV"},
9c3bcfa0 727 {"name", OPT_SMTPHOST, 's', "Hostname to use for \"-starttls smtp\""},
9a13bb38
RS		 728 {"CRL", OPT_CRL, '<', "CRL file to use"},
729 {"crl_download", OPT_CRL_DOWNLOAD, '-', "Download CRL from distribution points"},
730 {"CRLform", OPT_CRLFORM, 'F', "CRL format (PEM or DER) PEM is default"},
731 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-',
732 "Close connection on verification error"},
733 {"verify_quiet", OPT_VERIFY_QUIET, '-', "Restrict verify output to errors"},
734 {"brief", OPT_BRIEF, '-',
735 "Restrict output to brief summary of connection parameters"},
736 {"prexit", OPT_PREXIT, '-',
737 "Print session information when the program exits"},
738 {"security_debug", OPT_SECURITY_DEBUG, '-',
739 "Enable security debug messages"},
740 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-',
741 "Output more security debug output"},
742 {"cert_chain", OPT_CERT_CHAIN, '<',
743 "Certificate chain file (in PEM format)"},
744 {"chainCApath", OPT_CHAINCAPATH, '/',
745 "Use dir as certificate store path to build CA certificate chain"},
746 {"verifyCApath", OPT_VERIFYCAPATH, '/',
747 "Use dir as certificate store path to verify CA certificate"},
748 {"build_chain", OPT_BUILD_CHAIN, '-', "Build certificate chain"},
749 {"chainCAfile", OPT_CHAINCAFILE, '<',
750 "CA file for certificate chain (PEM format)"},
751 {"verifyCAfile", OPT_VERIFYCAFILE, '<',
752 "CA file for certificate verification (PEM format)"},
9c3bcfa0
RS		 753 {"nocommands", OPT_NOCMDS, '-', "Do not use interactive command letters"},
754 {"servername", OPT_SERVERNAME, 's',
755 "Set TLS extension servername in ClientHello"},
756 {"tlsextdebug", OPT_TLSEXTDEBUG, '-',
757 "Hex dump of all TLS extensions received"},
758 {"status", OPT_STATUS, '-', "Request certificate status from server"},
759 {"serverinfo", OPT_SERVERINFO, 's',
760 "types Send empty ClientHello extensions (comma-separated numbers)"},
761 {"alpn", OPT_ALPN, 's',
762 "Enable ALPN extension, considering named protocols supported (comma-separated list)"},
7e25dd6d 763 {"async", OPT_ASYNC, '-', "Support asynchronous operation"},
9a13bb38 764 {"ssl_config", OPT_SSL_CONFIG, 's', "Use specified configuration file"},
032c6d21
MC		 765 {"split_send_frag", OPT_SPLIT_SEND_FRAG, 'n',
766 "Size used to split data for encrypt/decrypt pipelines"},
767 {"max_pipelines", OPT_MAX_PIPELINES, 'n',
768 "Maximum number of encrypt/decrypt pipelines to be used"},
dad78fb1
MC		 769 {"read_buf", OPT_READ_BUF, 'n',
770 "Default read buffer size to be used for connections"},
9c3bcfa0
RS		 771 OPT_S_OPTIONS,
772 OPT_V_OPTIONS,
773 OPT_X_OPTIONS,
774#ifndef OPENSSL_NO_SSL3
775 {"ssl3", OPT_SSL3, '-', "Just use SSLv3"},
776#endif
6b01bed2
VD		 777#ifndef OPENSSL_NO_TLS1
778 {"tls1", OPT_TLS1, '-', "Just use TLSv1"},
779#endif
780#ifndef OPENSSL_NO_TLS1_1
781 {"tls1_1", OPT_TLS1_1, '-', "Just use TLSv1.1"},
782#endif
783#ifndef OPENSSL_NO_TLS1_2
784 {"tls1_2", OPT_TLS1_2, '-', "Just use TLSv1.2"},
785#endif
a5ecdc6a 786#ifndef OPENSSL_NO_DTLS
9a13bb38
RS		 787 {"dtls", OPT_DTLS, '-', "Use any version of DTLS"},
788 {"timeout", OPT_TIMEOUT, '-',
789 "Enable send/receive timeout on DTLS connections"},
9c3bcfa0
RS		 790 {"mtu", OPT_MTU, 'p', "Set the link layer MTU"},
791#endif
6b01bed2
VD		 792#ifndef OPENSSL_NO_DTLS1
793 {"dtls1", OPT_DTLS1, '-', "Just use DTLSv1"},
794#endif
795#ifndef OPENSSL_NO_DTLS1_2
9a13bb38 796 {"dtls1_2", OPT_DTLS1_2, '-', "Just use DTLSv1.2"},
6b01bed2 797#endif
9c3bcfa0 798#ifndef OPENSSL_NO_SSL_TRACE
9a13bb38 799 {"trace", OPT_TRACE, '-', "Show trace output of protocol messages"},
9c3bcfa0 800#endif
7e1b7485
RS		 801#ifdef WATT32
802 {"wdebug", OPT_WDEBUG, '-', "WATT-32 tcp debugging"},
803#endif
7e1b7485 804 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"},
7e1b7485
RS		 805#ifndef OPENSSL_NO_PSK
806 {"psk_identity", OPT_PSK_IDENTITY, 's', "PSK identity"},
807 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"},
7e1b7485 808#endif
7e1b7485
RS		 809#ifndef OPENSSL_NO_SRP
810 {"srpuser", OPT_SRPUSER, 's', "SRP authentification for 'user'"},
811 {"srppass", OPT_SRPPASS, 's', "Password for 'user'"},
812 {"srp_lateuser", OPT_SRP_LATEUSER, '-',
813 "SRP username into second ClientHello message"},
814 {"srp_moregroups", OPT_SRP_MOREGROUPS, '-',
815 "Tolerate other than the known g N values."},
740ceb5b 816 {"srp_strength", OPT_SRP_STRENGTH, 'p', "Minimal length in bits for N"},
7e1b7485 817#endif
e481f9b9 818#ifndef OPENSSL_NO_NEXTPROTONEG
7e1b7485
RS		 819 {"nextprotoneg", OPT_NEXTPROTONEG, 's',
820 "Enable NPN extension, considering named protocols supported (comma-separated list)"},
7e1b7485 821#endif
7e1b7485
RS		 822#ifndef OPENSSL_NO_ENGINE
823 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
9a13bb38
RS		 824 {"ssl_client_engine", OPT_SSL_CLIENT_ENGINE, 's',
825 "Specify engine to be used for client certificate operations"},
dd696a55
RP		 826#endif
827#ifndef OPENSSL_NO_CT
828 {"noct", OPT_NOCT, '-', "Do not request or parse SCTs (default)"},
829 {"requestct", OPT_REQUESTCT, '-', "Request SCTs (enables OCSP stapling)"},
830 {"requirect", OPT_REQUIRECT, '-', "Require at least 1 SCT (enables OCSP stapling)"},
831 {"ctlogfile", OPT_CTLOG_FILE, '<', "CT log list CONF file"},
7e1b7485 832#endif
7e1b7485
RS		 833 {NULL}
834};
835
836typedef enum PROTOCOL_choice {
837 PROTO_OFF,
0f113f3e
MC		 838 PROTO_SMTP,
839 PROTO_POP3,
840 PROTO_IMAP,
841 PROTO_FTP,
d8c25de5 842 PROTO_TELNET,
552bf8ec 843 PROTO_XMPP,
898ea7b8 844 PROTO_XMPP_SERVER,
cfb4f1ef
NPB		 845 PROTO_CONNECT,
846 PROTO_IRC
7e1b7485
RS		 847} PROTOCOL_CHOICE;
848
849static OPT_PAIR services[] = {
850 {"smtp", PROTO_SMTP},
851 {"pop3", PROTO_POP3},
852 {"imap", PROTO_IMAP},
853 {"ftp", PROTO_FTP},
854 {"xmpp", PROTO_XMPP},
898ea7b8 855 {"xmpp-server", PROTO_XMPP_SERVER},
d8c25de5 856 {"telnet", PROTO_TELNET},
cfb4f1ef 857 {"irc", PROTO_IRC},
7e1b7485 858 {NULL}
85c67492
RL		 859};
860
7e1b7485 861int s_client_main(int argc, char **argv)
0f113f3e 862{
7e1b7485 863 BIO *sbio;
0f113f3e 864 EVP_PKEY *key = NULL;
7e1b7485 865 SSL *con = NULL;
0f113f3e 866 SSL_CTX *ctx = NULL;
7e1b7485
RS		 867 STACK_OF(X509) *chain = NULL;
868 X509 *cert = NULL;
0f113f3e 869 X509_VERIFY_PARAM *vpm = NULL;
7e1b7485
RS		 870 SSL_EXCERT *exc = NULL;
871 SSL_CONF_CTX *cctx = NULL;
872 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
cddd424a
VD		 873 char *dane_tlsa_domain = NULL;
874 STACK_OF(OPENSSL_STRING) *dane_tlsa_rrset = NULL;
7e1b7485 875 STACK_OF(X509_CRL) *crls = NULL;
13c9bb3e 876 const SSL_METHOD *meth = TLS_client_method();
552bf8ec
MT		 877 char *CApath = NULL, *CAfile = NULL, *cbuf = NULL, *sbuf = NULL;
878 char *mbuf = NULL, *proxystr = NULL, *connectstr = NULL;
cddd424a 879 char *cert_file = NULL, *key_file = NULL, *chain_file = NULL;
ab69ac00
RL		 880 char *chCApath = NULL, *chCAfile = NULL, *host = NULL;
881 char *port = BUF_strdup(PORT);
fc0eb00b 882 char *inrand = NULL;
7e1b7485
RS		 883 char *passarg = NULL, *pass = NULL, *vfyCApath = NULL, *vfyCAfile = NULL;
884 char *sess_in = NULL, *sess_out = NULL, *crl_file = NULL, *p;
dba31777 885 char *xmpphost = NULL;
d8c25de5 886 const char *ehlo = "mail.example.com";
7e1b7485 887 struct sockaddr peer;
0f113f3e 888 struct timeval timeout, *timeoutp;
7e1b7485 889 fd_set readfds, writefds;
2b6bcb70 890 int noCApath = 0, noCAfile = 0;
7e1b7485
RS		 891 int build_chain = 0, cbuf_len, cbuf_off, cert_format = FORMAT_PEM;
892 int key_format = FORMAT_PEM, crlf = 0, full_log = 1, mbuf_len = 0;
893 int prexit = 0;
894 int enable_timeouts = 0, sdebug = 0, peerlen = sizeof peer;
895 int reconnect = 0, verify = SSL_VERIFY_NONE, vpmtouched = 0;
480405e4 896 int ret = 1, in_init = 1, i, nbio_test = 0, s = -1, k, width, state = 0;
ab69ac00
RL		 897 int sbuf_len, sbuf_off, cmdletters = 1;
898 int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM;
7e1b7485
RS		 899 int starttls_proto = PROTO_OFF, crl_format = FORMAT_PEM, crl_download = 0;
900 int write_tty, read_tty, write_ssl, read_ssl, tty_on, ssl_pending;
dad78fb1 901 int read_buf_len = 0;
7e1b7485
RS		 902 int fallback_scsv = 0;
903 long socket_mtu = 0, randamt = 0;
7e1b7485 904 OPTION_CHOICE o;
0b13e9f0 905#ifndef OPENSSL_NO_ENGINE
0f113f3e 906 ENGINE *ssl_client_engine = NULL;
7e1b7485 907#endif
333b070e 908 ENGINE *e = NULL;
b317819b 909#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
0f113f3e 910 struct timeval tv;
06f4536a 911#endif
0f113f3e 912 char *servername = NULL;
7e1b7485 913 const char *alpn_in = NULL;
0f113f3e 914 tlsextctx tlsextcbp = { NULL, 0 };
287d0b94 915 const char *ssl_config = NULL;
e481f9b9 916#define MAX_SI_TYPES 100
7e1b7485
RS		 917 unsigned short serverinfo_types[MAX_SI_TYPES];
918 int serverinfo_count = 0, start = 0, len;
e481f9b9 919#ifndef OPENSSL_NO_NEXTPROTONEG
0f113f3e 920 const char *next_proto_neg_in = NULL;
ed551cdd 921#endif
edc032b5 922#ifndef OPENSSL_NO_SRP
0f113f3e
MC		 923 char *srppass = NULL;
924 int srp_lateuser = 0;
925 SRP_ARG srp_arg = { NULL, NULL, 0, 0, 0, 1024 };
926#endif
dd696a55
RP		 927#ifndef OPENSSL_NO_CT
928 char *ctlog_file = NULL;
929 ct_validation_cb ct_validation = NULL;
930#endif
0f113f3e 931
efc943be
EK		 932 FD_ZERO(&readfds);
933 FD_ZERO(&writefds);
934/* Known false-positive of MemorySanitizer. */
935#if defined(__has_feature)
936# if __has_feature(memory_sanitizer)
937 __msan_unpoison(&readfds, sizeof(readfds));
938 __msan_unpoison(&writefds, sizeof(writefds));
939# endif
940#endif
941
7e1b7485 942 prog = opt_progname(argv[0]);
0f113f3e
MC		 943 c_quiet = 0;
944 c_ign_eof = 0;
945 c_debug = 0;
946 c_msg = 0;
947 c_showcerts = 0;
7e1b7485
RS		 948 c_nbio = 0;
949 verify_depth = 0;
950 verify_error = X509_V_OK;
951 vpm = X509_VERIFY_PARAM_new();
68dc6824
RS		 952 cbuf = app_malloc(BUFSIZZ, "cbuf");
953 sbuf = app_malloc(BUFSIZZ, "sbuf");
954 mbuf = app_malloc(BUFSIZZ, "mbuf");
0f113f3e 955 cctx = SSL_CONF_CTX_new();
0f113f3e 956
68dc6824 957 if (vpm == NULL || cctx == NULL) {
7e1b7485 958 BIO_printf(bio_err, "%s: out of memory\n", prog);
0f113f3e
MC		 959 goto end;
960 }
961
7e1b7485 962 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT | SSL_CONF_FLAG_CMDLINE);
0f113f3e 963
7e1b7485
RS		 964 prog = opt_init(argc, argv, s_client_options);
965 while ((o = opt_next()) != OPT_EOF) {
966 switch (o) {
7e1b7485
RS		 967 case OPT_EOF:
968 case OPT_ERR:
969 opthelp:
970 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
971 goto end;
972 case OPT_HELP:
973 opt_help(s_client_options);
974 ret = 0;
975 goto end;
ab69ac00
RL		 976 case OPT_4:
977#ifdef AF_UNIX
978 if (socket_family == AF_UNIX) {
979 OPENSSL_free(host); host = NULL;
980 OPENSSL_free(port); port = NULL;
981 }
982#endif
983 socket_family = AF_INET;
984 break;
985 case OPT_6:
986 if (1) {
987#ifdef AF_INET6
988#ifdef AF_UNIX
989 if (socket_family == AF_UNIX) {
990 OPENSSL_free(host); host = NULL;
991 OPENSSL_free(port); port = NULL;
992 }
993#endif
994 socket_family = AF_INET6;
995 } else {
996#endif
997 BIO_printf(bio_err, "%s: IPv6 domain sockets unsupported\n", prog);
998 goto end;
999 }
1000 break;
7e1b7485 1001 case OPT_HOST:
ab69ac00
RL		 1002#ifdef AF_UNIX
1003 if (socket_family == AF_UNIX) {
1004 OPENSSL_free(host); host = NULL;
1005 OPENSSL_free(port); port = NULL;
1006 socket_family = AF_UNSPEC;
1007 }
1008#endif
1009 OPENSSL_free(host); host = BUF_strdup(opt_arg());
7e1b7485
RS		 1010 break;
1011 case OPT_PORT:
ab69ac00
RL		 1012#ifdef AF_UNIX
1013 if (socket_family == AF_UNIX) {
1014 OPENSSL_free(host); host = NULL;
1015 OPENSSL_free(port); port = NULL;
1016 socket_family = AF_UNSPEC;
1017 }
1018#endif
1019 OPENSSL_free(port); port = BUF_strdup(opt_arg());
7e1b7485
RS		 1020 break;
1021 case OPT_CONNECT:
ab69ac00
RL		 1022#ifdef AF_UNIX
1023 if (socket_family == AF_UNIX) {
1024 socket_family = AF_UNSPEC;
1025 }
1026#endif
1027 OPENSSL_free(host); host = NULL;
1028 OPENSSL_free(port); port = NULL;
552bf8ec
MT		 1029 connectstr = opt_arg();
1030 break;
1031 case OPT_PROXY:
1032 proxystr = opt_arg();
1033 starttls_proto = PROTO_CONNECT;
7e1b7485 1034 break;
ab69ac00 1035#ifdef AF_UNIX
7e1b7485 1036 case OPT_UNIX:
ab69ac00
RL		 1037 socket_family = AF_UNIX;
1038 OPENSSL_free(host); host = BUF_strdup(opt_arg());
1039 OPENSSL_free(port); port = NULL;
7e1b7485 1040 break;
ab69ac00 1041#endif
d8c25de5
RS		 1042 case OPT_XMPPHOST:
1043 xmpphost = opt_arg();
1044 break;
1045 case OPT_SMTPHOST:
1046 ehlo = opt_arg();
1047 break;
7e1b7485 1048 case OPT_VERIFY:
0f113f3e 1049 verify = SSL_VERIFY_PEER;
7e1b7485 1050 verify_depth = atoi(opt_arg());
0f113f3e
MC		 1051 if (!c_quiet)
1052 BIO_printf(bio_err, "verify depth is %d\n", verify_depth);
7e1b7485
RS		 1053 break;
1054 case OPT_CERT:
1055 cert_file = opt_arg();
1056 break;
1057 case OPT_CRL:
1058 crl_file = opt_arg();
1059 break;
1060 case OPT_CRL_DOWNLOAD:
0f113f3e 1061 crl_download = 1;
7e1b7485
RS		 1062 break;
1063 case OPT_SESS_OUT:
1064 sess_out = opt_arg();
1065 break;
1066 case OPT_SESS_IN:
1067 sess_in = opt_arg();
1068 break;
1069 case OPT_CERTFORM:
1070 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &cert_format))
1071 goto opthelp;
1072 break;
1073 case OPT_CRLFORM:
1074 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
1075 goto opthelp;
1076 break;
1077 case OPT_VERIFY_RET_ERROR:
0f113f3e 1078 verify_return_error = 1;
7e1b7485
RS		 1079 break;
1080 case OPT_VERIFY_QUIET:
0f113f3e 1081 verify_quiet = 1;
7e1b7485
RS		 1082 break;
1083 case OPT_BRIEF:
1084 c_brief = verify_quiet = c_quiet = 1;
1085 break;
1086 case OPT_S_CASES:
1087 if (ssl_args == NULL)
1088 ssl_args = sk_OPENSSL_STRING_new_null();
1089 if (ssl_args == NULL
1090 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
1091 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
1092 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1093 goto end;
1094 }
1095 break;
1096 case OPT_V_CASES:
1097 if (!opt_verify(o, vpm))
1098 goto end;
1099 vpmtouched++;
1100 break;
1101 case OPT_X_CASES:
1102 if (!args_excert(o, &exc))
1103 goto end;
1104 break;
1105 case OPT_PREXIT:
0f113f3e 1106 prexit = 1;
7e1b7485
RS		 1107 break;
1108 case OPT_CRLF:
0f113f3e 1109 crlf = 1;
7e1b7485
RS		 1110 break;
1111 case OPT_QUIET:
1112 c_quiet = c_ign_eof = 1;
1113 break;
1114 case OPT_NBIO:
1115 c_nbio = 1;
1116 break;
6ba8a5b7
RS		 1117 case OPT_NOCMDS:
1118 cmdletters = 0;
1119 break;
7e1b7485 1120 case OPT_ENGINE:
333b070e 1121 e = setup_engine(opt_arg(), 1);
7e1b7485
RS		 1122 break;
1123 case OPT_SSL_CLIENT_ENGINE:
333b070e
RS		 1124#ifndef OPENSSL_NO_ENGINE
1125 ssl_client_engine = ENGINE_by_id(opt_arg());
1126 if (ssl_client_engine == NULL) {
1127 BIO_printf(bio_err, "Error getting client auth engine\n");
1128 goto opthelp;
1129 }
1130 break;
1131#endif
7e1b7485
RS		 1132 break;
1133 case OPT_RAND:
1134 inrand = opt_arg();
1135 break;
1136 case OPT_IGN_EOF:
0f113f3e 1137 c_ign_eof = 1;
7e1b7485
RS		 1138 break;
1139 case OPT_NO_IGN_EOF:
0f113f3e 1140 c_ign_eof = 0;
7e1b7485 1141 break;
7e1b7485 1142 case OPT_DEBUG:
0f113f3e 1143 c_debug = 1;
7e1b7485 1144 break;
7e1b7485 1145 case OPT_TLSEXTDEBUG:
0f113f3e 1146 c_tlsextdebug = 1;
7e1b7485
RS		 1147 break;
1148 case OPT_STATUS:
0f113f3e 1149 c_status_req = 1;
7e1b7485 1150 break;
7e1b7485 1151 case OPT_WDEBUG:
9c3bcfa0 1152#ifdef WATT32
0f113f3e
MC		 1153 dbug_init();
1154#endif
9c3bcfa0 1155 break;
7e1b7485 1156 case OPT_MSG:
0f113f3e 1157 c_msg = 1;
7e1b7485
RS		 1158 break;
1159 case OPT_MSGFILE:
1160 bio_c_msg = BIO_new_file(opt_arg(), "w");
1161 break;
7e1b7485 1162 case OPT_TRACE:
9c3bcfa0 1163#ifndef OPENSSL_NO_SSL_TRACE
0f113f3e
MC		 1164 c_msg = 2;
1165#endif
9c3bcfa0 1166 break;
7e1b7485 1167 case OPT_SECURITY_DEBUG:
0f113f3e 1168 sdebug = 1;
7e1b7485
RS		 1169 break;
1170 case OPT_SECURITY_DEBUG_VERBOSE:
0f113f3e 1171 sdebug = 2;
7e1b7485
RS		 1172 break;
1173 case OPT_SHOWCERTS:
0f113f3e 1174 c_showcerts = 1;
7e1b7485
RS		 1175 break;
1176 case OPT_NBIO_TEST:
0f113f3e 1177 nbio_test = 1;
7e1b7485
RS		 1178 break;
1179 case OPT_STATE:
0f113f3e 1180 state = 1;
7e1b7485 1181 break;
ddac1974 1182#ifndef OPENSSL_NO_PSK
7e1b7485
RS		 1183 case OPT_PSK_IDENTITY:
1184 psk_identity = opt_arg();
1185 break;
1186 case OPT_PSK:
1187 for (p = psk_key = opt_arg(); *p; p++) {
18295f0c 1188 if (isxdigit(_UC(*p)))
0f113f3e 1189 continue;
7e1b7485
RS		 1190 BIO_printf(bio_err, "Not a hex number '%s'\n", psk_key);
1191 goto end;
0f113f3e 1192 }
13cbe5e7 1193 break;
9c3bcfa0
RS		 1194#else
1195 case OPT_PSK_IDENTITY:
1196 case OPT_PSK:
7e1b7485 1197 break;
ddac1974 1198#endif
edc032b5 1199#ifndef OPENSSL_NO_SRP
7e1b7485
RS		 1200 case OPT_SRPUSER:
1201 srp_arg.srplogin = opt_arg();
0f113f3e 1202 meth = TLSv1_client_method();
7e1b7485
RS		 1203 break;
1204 case OPT_SRPPASS:
1205 srppass = opt_arg();
0f113f3e 1206 meth = TLSv1_client_method();
7e1b7485
RS		 1207 break;
1208 case OPT_SRP_STRENGTH:
1209 srp_arg.strength = atoi(opt_arg());
0f113f3e
MC		 1210 BIO_printf(bio_err, "SRP minimal length for N is %d\n",
1211 srp_arg.strength);
1212 meth = TLSv1_client_method();
7e1b7485
RS		 1213 break;
1214 case OPT_SRP_LATEUSER:
0f113f3e
MC		 1215 srp_lateuser = 1;
1216 meth = TLSv1_client_method();
7e1b7485
RS		 1217 break;
1218 case OPT_SRP_MOREGROUPS:
0f113f3e
MC		 1219 srp_arg.amp = 1;
1220 meth = TLSv1_client_method();
7e1b7485 1221 break;
857048a7
RS		 1222#else
1223 case OPT_SRPUSER:
1224 case OPT_SRPPASS:
1225 case OPT_SRP_STRENGTH:
1226 case OPT_SRP_LATEUSER:
1227 case OPT_SRP_MOREGROUPS:
1228 break;
edc032b5 1229#endif
287d0b94
DSH		 1230 case OPT_SSL_CONFIG:
1231 ssl_config = opt_arg();
1232 break;
7e1b7485 1233 case OPT_SSL3:
9c3bcfa0 1234#ifndef OPENSSL_NO_SSL3
0f113f3e 1235 meth = SSLv3_client_method();
58964a49 1236#endif
9c3bcfa0 1237 break;
7e1b7485 1238 case OPT_TLS1_2:
6b01bed2 1239#ifndef OPENSSL_NO_TLS1_2
0f113f3e 1240 meth = TLSv1_2_client_method();
6b01bed2 1241#endif
7e1b7485
RS		 1242 break;
1243 case OPT_TLS1_1:
6b01bed2 1244#ifndef OPENSSL_NO_TLS1_1
0f113f3e 1245 meth = TLSv1_1_client_method();
6b01bed2 1246#endif
7e1b7485
RS		 1247 break;
1248 case OPT_TLS1:
6b01bed2 1249#ifndef OPENSSL_NO_TLS1
0f113f3e 1250 meth = TLSv1_client_method();
6b01bed2 1251#endif
7e1b7485 1252 break;
7e1b7485 1253 case OPT_DTLS:
6b01bed2 1254#ifndef OPENSSL_NO_DTLS
0f113f3e
MC		 1255 meth = DTLS_client_method();
1256 socket_type = SOCK_DGRAM;
6b01bed2 1257#endif
7e1b7485
RS		 1258 break;
1259 case OPT_DTLS1:
6b01bed2 1260#ifndef OPENSSL_NO_DTLS1
0f113f3e
MC		 1261 meth = DTLSv1_client_method();
1262 socket_type = SOCK_DGRAM;
6b01bed2 1263#endif
7e1b7485
RS		 1264 break;
1265 case OPT_DTLS1_2:
6b01bed2 1266#ifndef OPENSSL_NO_DTLS1_2
0f113f3e
MC		 1267 meth = DTLSv1_2_client_method();
1268 socket_type = SOCK_DGRAM;
6b01bed2 1269#endif
7e1b7485
RS		 1270 break;
1271 case OPT_TIMEOUT:
6b01bed2 1272#ifndef OPENSSL_NO_DTLS
0f113f3e 1273 enable_timeouts = 1;
6b01bed2 1274#endif
7e1b7485
RS		 1275 break;
1276 case OPT_MTU:
6b01bed2 1277#ifndef OPENSSL_NO_DTLS
7e1b7485 1278 socket_mtu = atol(opt_arg());
0f113f3e 1279#endif
6b01bed2 1280 break;
7e1b7485 1281 case OPT_FALLBACKSCSV:
0f113f3e 1282 fallback_scsv = 1;
7e1b7485
RS		 1283 break;
1284 case OPT_KEYFORM:
1285 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &key_format))
1286 goto opthelp;
1287 break;
1288 case OPT_PASS:
1289 passarg = opt_arg();
1290 break;
1291 case OPT_CERT_CHAIN:
1292 chain_file = opt_arg();
1293 break;
1294 case OPT_KEY:
1295 key_file = opt_arg();
1296 break;
1297 case OPT_RECONNECT:
0f113f3e 1298 reconnect = 5;
7e1b7485
RS		 1299 break;
1300 case OPT_CAPATH:
1301 CApath = opt_arg();
1302 break;
2b6bcb70
MC		 1303 case OPT_NOCAPATH:
1304 noCApath = 1;
1305 break;
7e1b7485
RS		 1306 case OPT_CHAINCAPATH:
1307 chCApath = opt_arg();
1308 break;
1309 case OPT_VERIFYCAPATH:
1310 vfyCApath = opt_arg();
1311 break;
1312 case OPT_BUILD_CHAIN:
0f113f3e 1313 build_chain = 1;
7e1b7485
RS		 1314 break;
1315 case OPT_CAFILE:
1316 CAfile = opt_arg();
1317 break;
2b6bcb70
MC		 1318 case OPT_NOCAFILE:
1319 noCAfile = 1;
1320 break;
dd696a55
RP		 1321#ifndef OPENSSL_NO_CT
1322 case OPT_NOCT:
1323 ct_validation = NULL;
1324 break;
1325 case OPT_REQUESTCT:
1326 ct_validation = CT_verify_no_bad_scts;
1327 break;
1328 case OPT_REQUIRECT:
1329 ct_validation = CT_verify_at_least_one_good_sct;
1330 break;
1331 case OPT_CTLOG_FILE:
1332 ctlog_file = opt_arg();
1333 break;
1334#endif
7e1b7485
RS		 1335 case OPT_CHAINCAFILE:
1336 chCAfile = opt_arg();
1337 break;
1338 case OPT_VERIFYCAFILE:
1339 vfyCAfile = opt_arg();
1340 break;
cddd424a
VD		 1341 case OPT_DANE_TLSA_DOMAIN:
1342 dane_tlsa_domain = opt_arg();
1343 break;
1344 case OPT_DANE_TLSA_RRDATA:
1345 if (dane_tlsa_rrset == NULL)
1346 dane_tlsa_rrset = sk_OPENSSL_STRING_new_null();
1347 if (dane_tlsa_rrset == NULL ||
1348 !sk_OPENSSL_STRING_push(dane_tlsa_rrset, opt_arg())) {
1349 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1350 goto end;
1351 }
1352 break;
7e1b7485
RS		 1353 case OPT_NEXTPROTONEG:
1354 next_proto_neg_in = opt_arg();
1355 break;
1356 case OPT_ALPN:
1357 alpn_in = opt_arg();
1358 break;
1359 case OPT_SERVERINFO:
1360 p = opt_arg();
1361 len = strlen(p);
1362 for (start = 0, i = 0; i <= len; ++i) {
1363 if (i == len || p[i] == ',') {
1364 serverinfo_types[serverinfo_count] = atoi(p + start);
1365 if (++serverinfo_count == MAX_SI_TYPES)
1366 break;
0f113f3e
MC		 1367 start = i + 1;
1368 }
0f113f3e 1369 }
7e1b7485 1370 break;
7e1b7485
RS		 1371 case OPT_STARTTLS:
1372 if (!opt_pair(opt_arg(), services, &starttls_proto))
1373 goto end;
7e1b7485
RS		 1374 case OPT_SERVERNAME:
1375 servername = opt_arg();
7e1b7485 1376 break;
7e1b7485
RS		 1377 case OPT_USE_SRTP:
1378 srtp_profiles = opt_arg();
1379 break;
1380 case OPT_KEYMATEXPORT:
1381 keymatexportlabel = opt_arg();
1382 break;
1383 case OPT_KEYMATEXPORTLEN:
1384 keymatexportlen = atoi(opt_arg());
0f113f3e 1385 break;
7e25dd6d
MC		 1386 case OPT_ASYNC:
1387 async = 1;
1388 break;
032c6d21
MC		 1389 case OPT_SPLIT_SEND_FRAG:
1390 split_send_fragment = atoi(opt_arg());
1391 if (split_send_fragment == 0) {
1392 /* Not allowed - set to a deliberately bad value */
1393 split_send_fragment = -1;
1394 }
1395 break;
1396 case OPT_MAX_PIPELINES:
1397 max_pipelines = atoi(opt_arg());
1398 break;
dad78fb1
MC		 1399 case OPT_READ_BUF:
1400 read_buf_len = atoi(opt_arg());
1401 break;
0f113f3e 1402 }
0f113f3e 1403 }
7e1b7485 1404 argc = opt_num_rest();
03358517
KR		 1405 if (argc != 0)
1406 goto opthelp;
0f113f3e 1407
552bf8ec 1408 if (proxystr) {
ab69ac00
RL		 1409 int res;
1410 char *tmp_host = host, *tmp_port = port;
552bf8ec
MT		 1411 if (connectstr == NULL) {
1412 BIO_printf(bio_err, "%s: -proxy requires use of -connect\n", prog);
1413 goto opthelp;
1414 }
ab69ac00
RL		 1415 res = BIO_parse_hostserv(proxystr, &host, &port, BIO_PARSE_PRIO_HOST);
1416 if (tmp_host != host)
1417 OPENSSL_free(tmp_host);
1418 if (tmp_port != port)
1419 OPENSSL_free(tmp_port);
1420 if (!res) {
1421 BIO_printf(bio_err, "%s: -proxy argument malformed or ambiguous\n",
1422 prog);
1423 goto end;
1424 }
1425 } else {
1426 int res = 1;
1427 char *tmp_host = host, *tmp_port = port;
1428 if (connectstr != NULL)
1429 res = BIO_parse_hostserv(connectstr, &host, &port,
1430 BIO_PARSE_PRIO_HOST);
1431 if (tmp_host != host)
1432 OPENSSL_free(tmp_host);
1433 if (tmp_port != port)
1434 OPENSSL_free(tmp_port);
1435 if (!res) {
1436 BIO_printf(bio_err,
1437 "%s: -connect argument malformed or ambiguous\n",
1438 prog);
552bf8ec 1439 goto end;
ab69ac00 1440 }
552bf8ec 1441 }
552bf8ec 1442
ab69ac00 1443 if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) {
0f113f3e
MC		 1444 BIO_printf(bio_err,
1445 "Can't use unix sockets and datagrams together\n");
1446 goto end;
1447 }
f3b7bdad 1448
032c6d21
MC		 1449 if (split_send_fragment > SSL3_RT_MAX_PLAIN_LENGTH) {
1450 BIO_printf(bio_err, "Bad split send fragment size\n");
1451 goto end;
1452 }
1453
1454 if (max_pipelines > SSL_MAX_PIPELINES) {
1455 BIO_printf(bio_err, "Bad max pipelines value\n");
1456 goto end;
1457 }
1458
e481f9b9 1459#if !defined(OPENSSL_NO_NEXTPROTONEG)
0f113f3e
MC		 1460 next_proto.status = -1;
1461 if (next_proto_neg_in) {
1462 next_proto.data =
1463 next_protos_parse(&next_proto.len, next_proto_neg_in);
1464 if (next_proto.data == NULL) {
1465 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n");
1466 goto end;
1467 }
1468 } else
1469 next_proto.data = NULL;
ee2ffc27
BL		 1470#endif
1471
7e1b7485 1472 if (!app_passwd(passarg, NULL, &pass, NULL)) {
0f113f3e
MC		 1473 BIO_printf(bio_err, "Error getting password\n");
1474 goto end;
1475 }
1476
1477 if (key_file == NULL)
1478 key_file = cert_file;
1479
1480 if (key_file) {
7e1b7485 1481 key = load_key(key_file, key_format, 0, pass, e,
0f113f3e 1482 "client certificate private key file");
7e1b7485 1483 if (key == NULL) {
0f113f3e
MC		 1484 ERR_print_errors(bio_err);
1485 goto end;
1486 }
0f113f3e
MC		 1487 }
1488
1489 if (cert_file) {
a773b52a 1490 cert = load_cert(cert_file, cert_format, "client certificate file");
7e1b7485 1491 if (cert == NULL) {
0f113f3e
MC		 1492 ERR_print_errors(bio_err);
1493 goto end;
1494 }
1495 }
1496
1497 if (chain_file) {
a773b52a 1498 if (!load_certs(chain_file, &chain, FORMAT_PEM, NULL,
0996dc54 1499 "client certificate chain"))
0f113f3e
MC		 1500 goto end;
1501 }
1502
1503 if (crl_file) {
1504 X509_CRL *crl;
1505 crl = load_crl(crl_file, crl_format);
7e1b7485 1506 if (crl == NULL) {
0f113f3e
MC		 1507 BIO_puts(bio_err, "Error loading CRL\n");
1508 ERR_print_errors(bio_err);
1509 goto end;
1510 }
1511 crls = sk_X509_CRL_new_null();
7e1b7485 1512 if (crls == NULL || !sk_X509_CRL_push(crls, crl)) {
0f113f3e
MC		 1513 BIO_puts(bio_err, "Error adding CRL\n");
1514 ERR_print_errors(bio_err);
1515 X509_CRL_free(crl);
1516 goto end;
1517 }
1518 }
1519
7e1b7485 1520 if (!load_excert(&exc))
0f113f3e
MC		 1521 goto end;
1522
7e1b7485 1523 if (!app_RAND_load_file(NULL, 1) && inrand == NULL
0f113f3e
MC		 1524 && !RAND_status()) {
1525 BIO_printf(bio_err,
1526 "warning, not much extra random data, consider using the -rand option\n");
1527 }
7e1b7485
RS		 1528 if (inrand != NULL) {
1529 randamt = app_RAND_load_files(inrand);
1530 BIO_printf(bio_err, "%ld semi-random bytes loaded\n", randamt);
1531 }
0f113f3e
MC		 1532
1533 if (bio_c_out == NULL) {
1534 if (c_quiet && !c_debug) {
1535 bio_c_out = BIO_new(BIO_s_null());
1536 if (c_msg && !bio_c_msg)
a60994df 1537 bio_c_msg = dup_bio_out(FORMAT_TEXT);
7e1b7485 1538 } else if (bio_c_out == NULL)
a60994df 1539 bio_c_out = dup_bio_out(FORMAT_TEXT);
0f113f3e 1540 }
edc032b5 1541#ifndef OPENSSL_NO_SRP
7e1b7485 1542 if (!app_passwd(srppass, NULL, &srp_arg.srppassin, NULL)) {
0f113f3e
MC		 1543 BIO_printf(bio_err, "Error getting password\n");
1544 goto end;
1545 }
1546#endif
1547
1548 ctx = SSL_CTX_new(meth);
1549 if (ctx == NULL) {
1550 ERR_print_errors(bio_err);
1551 goto end;
1552 }
1553
1554 if (sdebug)
ecf3a1fb 1555 ssl_ctx_security_debug(ctx, sdebug);
0f113f3e 1556
287d0b94
DSH		 1557 if (ssl_config) {
1558 if (SSL_CTX_config(ctx, ssl_config) == 0) {
1559 BIO_printf(bio_err, "Error using configuration \"%s\"\n",
1560 ssl_config);
1561 ERR_print_errors(bio_err);
1562 goto end;
1563 }
1564 }
1565
7e1b7485 1566 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
ac59d705
MC		 1567 BIO_printf(bio_err, "Error setting verify params\n");
1568 ERR_print_errors(bio_err);
1569 goto end;
1570 }
0f113f3e 1571
5e6f9775 1572 if (async) {
7e25dd6d 1573 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
5e6f9775 1574 }
032c6d21
MC		 1575 if (split_send_fragment > 0) {
1576 SSL_CTX_set_split_send_fragment(ctx, split_send_fragment);
1577 }
1578 if (max_pipelines > 0) {
1579 SSL_CTX_set_max_pipelines(ctx, max_pipelines);
1580 }
7e25dd6d 1581
dad78fb1
MC		 1582 if (read_buf_len > 0) {
1583 SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len);
1584 }
1585
dba31777 1586 if (!config_ctx(cctx, ssl_args, ctx))
0f113f3e 1587 goto end;
0f113f3e
MC		 1588
1589 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1590 crls, crl_download)) {
1591 BIO_printf(bio_err, "Error loading store locations\n");
1592 ERR_print_errors(bio_err);
1593 goto end;
1594 }
59d2d48f 1595#ifndef OPENSSL_NO_ENGINE
0f113f3e
MC		 1596 if (ssl_client_engine) {
1597 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine)) {
1598 BIO_puts(bio_err, "Error setting client auth engine\n");
1599 ERR_print_errors(bio_err);
1600 ENGINE_free(ssl_client_engine);
1601 goto end;
1602 }
1603 ENGINE_free(ssl_client_engine);
1604 }
59d2d48f
DSH		 1605#endif
1606
ddac1974 1607#ifndef OPENSSL_NO_PSK
dba31777 1608 if (psk_key != NULL) {
0f113f3e
MC		 1609 if (c_debug)
1610 BIO_printf(bio_c_out,
dba31777 1611 "PSK key given, setting client callback\n");
0f113f3e
MC		 1612 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
1613 }
e783bae2
PS		 1614#endif
1615#ifndef OPENSSL_NO_SRTP
ac59d705 1616 if (srtp_profiles != NULL) {
7e1b7485
RS		 1617 /* Returns 0 on success! */
1618 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
ac59d705
MC		 1619 BIO_printf(bio_err, "Error setting SRTP profile\n");
1620 ERR_print_errors(bio_err);
1621 goto end;
1622 }
1623 }
0f113f3e 1624#endif
7e1b7485 1625
0f113f3e
MC		 1626 if (exc)
1627 ssl_ctx_set_excert(ctx, exc);
d02b48c6 1628
e481f9b9 1629#if !defined(OPENSSL_NO_NEXTPROTONEG)
0f113f3e
MC		 1630 if (next_proto.data)
1631 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
e481f9b9 1632#endif
0f113f3e
MC		 1633 if (alpn_in) {
1634 unsigned short alpn_len;
1635 unsigned char *alpn = next_protos_parse(&alpn_len, alpn_in);
1636
1637 if (alpn == NULL) {
1638 BIO_printf(bio_err, "Error parsing -alpn argument\n");
1639 goto end;
1640 }
7e1b7485
RS		 1641 /* Returns 0 on success! */
1642 if (SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len) != 0) {
1643 BIO_printf(bio_err, "Error setting ALPN\n");
ac59d705
MC		 1644 goto end;
1645 }
0f113f3e
MC		 1646 OPENSSL_free(alpn);
1647 }
e481f9b9 1648
7e1b7485 1649 for (i = 0; i < serverinfo_count; i++) {
61986d32 1650 if (!SSL_CTX_add_client_custom_ext(ctx,
7e1b7485
RS		 1651 serverinfo_types[i],
1652 NULL, NULL, NULL,
1653 serverinfo_cli_parse_cb, NULL)) {
1654 BIO_printf(bio_err,
1655 "Warning: Unable to add custom extension %u, skipping\n",
1656 serverinfo_types[i]);
ac59d705 1657 }
0f113f3e 1658 }
ee2ffc27 1659
0f113f3e
MC		 1660 if (state)
1661 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
d02b48c6 1662
dd696a55
RP		 1663#ifndef OPENSSL_NO_CT
1664 if (!SSL_CTX_set_ct_validation_callback(ctx, ct_validation, NULL)) {
1665 ERR_print_errors(bio_err);
1666 goto end;
1667 }
1668
1669 if (ctx_set_ctlog_list_file(ctx, ctlog_file) <= 0) {
1670 ERR_print_errors(bio_err);
1671 goto end;
1672 }
1673#endif
1674
0f113f3e 1675 SSL_CTX_set_verify(ctx, verify, verify_callback);
d02b48c6 1676
2b6bcb70 1677 if (!ctx_set_verify_locations(ctx, CAfile, CApath, noCAfile, noCApath)) {
0f113f3e 1678 ERR_print_errors(bio_err);
7e1b7485 1679 goto end;
0f113f3e 1680 }
d02b48c6 1681
0f113f3e 1682 ssl_ctx_add_crls(ctx, crls, crl_download);
fdb78f3d 1683
0f113f3e
MC		 1684 if (!set_cert_key_stuff(ctx, cert, key, chain, build_chain))
1685 goto end;
74ecfab4 1686
0f113f3e
MC		 1687 if (servername != NULL) {
1688 tlsextcbp.biodebug = bio_err;
1689 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1690 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1691 }
1692# ifndef OPENSSL_NO_SRP
1693 if (srp_arg.srplogin) {
1694 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin)) {
1695 BIO_printf(bio_err, "Unable to set SRP username\n");
1696 goto end;
1697 }
1698 srp_arg.msg = c_msg;
1699 srp_arg.debug = c_debug;
1700 SSL_CTX_set_srp_cb_arg(ctx, &srp_arg);
1701 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb);
1702 SSL_CTX_set_srp_strength(ctx, srp_arg.strength);
1703 if (c_msg || c_debug || srp_arg.amp == 0)
1704 SSL_CTX_set_srp_verify_param_callback(ctx,
1705 ssl_srp_verify_param_cb);
1706 }
1707# endif
0f113f3e 1708
cddd424a
VD		 1709 if (dane_tlsa_domain != NULL) {
1710 if (SSL_CTX_dane_enable(ctx) <= 0) {
1711 BIO_printf(bio_err,
1712 "%s: Error enabling DANE TLSA authentication.\n", prog);
1713 ERR_print_errors(bio_err);
1714 goto end;
1715 }
1716 }
1717
0f113f3e
MC		 1718 con = SSL_new(ctx);
1719 if (sess_in) {
1720 SSL_SESSION *sess;
1721 BIO *stmp = BIO_new_file(sess_in, "r");
1722 if (!stmp) {
1723 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1724 ERR_print_errors(bio_err);
1725 goto end;
1726 }
1727 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1728 BIO_free(stmp);
1729 if (!sess) {
1730 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1731 ERR_print_errors(bio_err);
1732 goto end;
1733 }
61986d32 1734 if (!SSL_set_session(con, sess)) {
ac59d705
MC		 1735 BIO_printf(bio_err, "Can't set session\n");
1736 ERR_print_errors(bio_err);
1737 goto end;
1738 }
0f113f3e
MC		 1739 SSL_SESSION_free(sess);
1740 }
1741
1742 if (fallback_scsv)
1743 SSL_set_mode(con, SSL_MODE_SEND_FALLBACK_SCSV);
cf6da053 1744
0f113f3e
MC		 1745 if (servername != NULL) {
1746 if (!SSL_set_tlsext_host_name(con, servername)) {
1747 BIO_printf(bio_err, "Unable to set TLS servername extension.\n");
1748 ERR_print_errors(bio_err);
1749 goto end;
1750 }
1751 }
d02b48c6 1752
cddd424a
VD		 1753 if (dane_tlsa_domain != NULL) {
1754 if (SSL_dane_enable(con, dane_tlsa_domain) <= 0) {
1755 BIO_printf(bio_err, "%s: Error enabling DANE TLSA "
1756 "authentication.\n", prog);
1757 ERR_print_errors(bio_err);
1758 goto end;
1759 }
1760 if (dane_tlsa_rrset == NULL) {
1761 BIO_printf(bio_err, "%s: DANE TLSA authentication requires at "
1762 "least one -dane_tlsa_rrset option.\n", prog);
1763 goto end;
1764 }
1765 if (tlsa_import_rrset(con, dane_tlsa_rrset) <= 0) {
1766 BIO_printf(bio_err, "%s: Failed to import any TLSA "
1767 "records.\n", prog);
1768 goto end;
1769 }
1770 } else if (dane_tlsa_rrset != NULL) {
1771 BIO_printf(bio_err, "%s: DANE TLSA authentication requires the "
1772 "-dane_tlsa_domain option.\n", prog);
1773 goto end;
1774 }
1775
0f113f3e 1776 re_start:
ab69ac00 1777 if (init_client(&s, host, port, socket_family, socket_type) == 0)
0f113f3e
MC		 1778 {
1779 BIO_printf(bio_err, "connect:errno=%d\n", get_last_socket_error());
8731a4fc 1780 BIO_closesocket(s);
0f113f3e
MC		 1781 goto end;
1782 }
1783 BIO_printf(bio_c_out, "CONNECTED(%08X)\n", s);
d02b48c6 1784
0f113f3e 1785 if (c_nbio) {
ba810815 1786 if (!BIO_socket_nbio(s, 1)) {
0f113f3e
MC		 1787 ERR_print_errors(bio_err);
1788 goto end;
1789 }
ba810815 1790 BIO_printf(bio_c_out, "Turned on non blocking io\n");
0f113f3e 1791 }
0f113f3e
MC		 1792 if (socket_type == SOCK_DGRAM) {
1793
1794 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
1795 if (getsockname(s, &peer, (void *)&peerlen) < 0) {
1796 BIO_printf(bio_err, "getsockname:errno=%d\n",
1797 get_last_socket_error());
8731a4fc 1798 BIO_closesocket(s);
0f113f3e
MC		 1799 goto end;
1800 }
1801
2c9be7d0 1802 (void)BIO_ctrl_set_connected(sbio, &peer);
0f113f3e
MC		 1803
1804 if (enable_timeouts) {
1805 timeout.tv_sec = 0;
1806 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1807 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1808
1809 timeout.tv_sec = 0;
1810 timeout.tv_usec = DGRAM_SND_TIMEOUT;
1811 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1812 }
1813
1814 if (socket_mtu) {
1815 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
1816 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
1817 DTLS_get_link_min_mtu(con));
1818 BIO_free(sbio);
1819 goto shut;
1820 }
1821 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1822 if (!DTLS_set_link_mtu(con, socket_mtu)) {
1823 BIO_printf(bio_err, "Failed to set MTU\n");
1824 BIO_free(sbio);
1825 goto shut;
1826 }
1827 } else
1828 /* want to do MTU discovery */
1829 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1830 } else
1831 sbio = BIO_new_socket(s, BIO_NOCLOSE);
1832
1833 if (nbio_test) {
1834 BIO *test;
1835
1836 test = BIO_new(BIO_f_nbio_test());
1837 sbio = BIO_push(test, sbio);
1838 }
1839
1840 if (c_debug) {
0f113f3e
MC		 1841 BIO_set_callback(sbio, bio_dump_callback);
1842 BIO_set_callback_arg(sbio, (char *)bio_c_out);
1843 }
1844 if (c_msg) {
93ab9e42 1845#ifndef OPENSSL_NO_SSL_TRACE
0f113f3e
MC		 1846 if (c_msg == 2)
1847 SSL_set_msg_callback(con, SSL_trace);
1848 else
93ab9e42 1849#endif
0f113f3e
MC		 1850 SSL_set_msg_callback(con, msg_cb);
1851 SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out);
1852 }
e481f9b9 1853
0f113f3e
MC		 1854 if (c_tlsextdebug) {
1855 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1856 SSL_set_tlsext_debug_arg(con, bio_c_out);
1857 }
1858 if (c_status_req) {
1859 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
1860 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
1861 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
0f113f3e 1862 }
0f113f3e
MC		 1863
1864 SSL_set_bio(con, sbio, sbio);
1865 SSL_set_connect_state(con);
1866
1867 /* ok, lets connect */
1868 width = SSL_get_fd(con) + 1;
1869
1870 read_tty = 1;
1871 write_tty = 0;
1872 tty_on = 0;
1873 read_ssl = 1;
1874 write_ssl = 1;
1875
1876 cbuf_len = 0;
1877 cbuf_off = 0;
1878 sbuf_len = 0;
1879 sbuf_off = 0;
1880
7e1b7485
RS		 1881 switch ((PROTOCOL_CHOICE) starttls_proto) {
1882 case PROTO_OFF:
1883 break;
1884 case PROTO_SMTP:
1885 {
1886 /*
1887 * This is an ugly hack that does a lot of assumptions. We do
1888 * have to handle multi-line responses which may come in a single
1889 * packet or not. We therefore have to use BIO_gets() which does
1890 * need a buffering BIO. So during the initial chitchat we do
1891 * push a buffering BIO into the chain that is removed again
1892 * later on to not disturb the rest of the s_client operation.
1893 */
1894 int foundit = 0;
1895 BIO *fbio = BIO_new(BIO_f_buffer());
1896 BIO_push(fbio, sbio);
1897 /* wait for multi-line response to end from SMTP */
1898 do {
1899 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1900 }
1901 while (mbuf_len > 3 && mbuf[3] == '-');
d8c25de5 1902 BIO_printf(fbio, "EHLO %s\r\n", ehlo);
7e1b7485
RS		 1903 (void)BIO_flush(fbio);
1904 /* wait for multi-line response to end EHLO SMTP response */
1905 do {
1906 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1907 if (strstr(mbuf, "STARTTLS"))
1908 foundit = 1;
1909 }
1910 while (mbuf_len > 3 && mbuf[3] == '-');
1911 (void)BIO_flush(fbio);
1912 BIO_pop(fbio);
1913 BIO_free(fbio);
1914 if (!foundit)
1915 BIO_printf(bio_err,
c7944cf1
QGM		 1916 "didn't find starttls in server response,"
1917 " trying anyway...\n");
7e1b7485
RS		 1918 BIO_printf(sbio, "STARTTLS\r\n");
1919 BIO_read(sbio, sbuf, BUFSIZZ);
0f113f3e 1920 }
7e1b7485
RS		 1921 break;
1922 case PROTO_POP3:
1923 {
1924 BIO_read(sbio, mbuf, BUFSIZZ);
1925 BIO_printf(sbio, "STLS\r\n");
1926 mbuf_len = BIO_read(sbio, sbuf, BUFSIZZ);
1927 if (mbuf_len < 0) {
1928 BIO_printf(bio_err, "BIO_read failed\n");
1929 goto end;
1930 }
0f113f3e 1931 }
7e1b7485
RS		 1932 break;
1933 case PROTO_IMAP:
1934 {
1935 int foundit = 0;
1936 BIO *fbio = BIO_new(BIO_f_buffer());
1937 BIO_push(fbio, sbio);
1938 BIO_gets(fbio, mbuf, BUFSIZZ);
1939 /* STARTTLS command requires CAPABILITY... */
1940 BIO_printf(fbio, ". CAPABILITY\r\n");
1941 (void)BIO_flush(fbio);
1942 /* wait for multi-line CAPABILITY response */
1943 do {
1944 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1945 if (strstr(mbuf, "STARTTLS"))
1946 foundit = 1;
1947 }
1948 while (mbuf_len > 3 && mbuf[0] != '.');
1949 (void)BIO_flush(fbio);
1950 BIO_pop(fbio);
1951 BIO_free(fbio);
1952 if (!foundit)
1953 BIO_printf(bio_err,
c7944cf1
QGM		 1954 "didn't find STARTTLS in server response,"
1955 " trying anyway...\n");
7e1b7485
RS		 1956 BIO_printf(sbio, ". STARTTLS\r\n");
1957 BIO_read(sbio, sbuf, BUFSIZZ);
0f113f3e 1958 }
7e1b7485
RS		 1959 break;
1960 case PROTO_FTP:
1961 {
1962 BIO *fbio = BIO_new(BIO_f_buffer());
1963 BIO_push(fbio, sbio);
1964 /* wait for multi-line response to end from FTP */
1965 do {
1966 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1967 }
1968 while (mbuf_len > 3 && mbuf[3] == '-');
1969 (void)BIO_flush(fbio);
1970 BIO_pop(fbio);
1971 BIO_free(fbio);
1972 BIO_printf(sbio, "AUTH TLS\r\n");
1973 BIO_read(sbio, sbuf, BUFSIZZ);
0f113f3e 1974 }
7e1b7485
RS		 1975 break;
1976 case PROTO_XMPP:
898ea7b8 1977 case PROTO_XMPP_SERVER:
0f113f3e 1978 {
7e1b7485
RS		 1979 int seen = 0;
1980 BIO_printf(sbio, "<stream:stream "
1981 "xmlns:stream='http://etherx.jabber.org/streams' "
898ea7b8
KE		 1982 "xmlns='jabber:%s' to='%s' version='1.0'>",
1983 starttls_proto == PROTO_XMPP ? "client" : "server",
d8c25de5 1984 xmpphost ? xmpphost : host);
0f113f3e 1985 seen = BIO_read(sbio, mbuf, BUFSIZZ);
7e1b7485
RS		 1986 mbuf[seen] = 0;
1987 while (!strstr
1988 (mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")
1989 && !strstr(mbuf,
1990 "<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\""))
1991 {
1992 seen = BIO_read(sbio, mbuf, BUFSIZZ);
0f113f3e 1993
7e1b7485
RS		 1994 if (seen <= 0)
1995 goto shut;
0f113f3e 1996
7e1b7485
RS		 1997 mbuf[seen] = 0;
1998 }
1999 BIO_printf(sbio,
2000 "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
2001 seen = BIO_read(sbio, sbuf, BUFSIZZ);
2002 sbuf[seen] = 0;
2003 if (!strstr(sbuf, "<proceed"))
2004 goto shut;
2005 mbuf[0] = 0;
0f113f3e 2006 }
7e1b7485 2007 break;
d8c25de5
RS		 2008 case PROTO_TELNET:
2009 {
2010 static const unsigned char tls_do[] = {
2011 /* IAC DO START_TLS */
2012 255, 253, 46
2013 };
2014 static const unsigned char tls_will[] = {
2015 /* IAC WILL START_TLS */
2016 255, 251, 46
2017 };
2018 static const unsigned char tls_follows[] = {
2019 /* IAC SB START_TLS FOLLOWS IAC SE */
2020 255, 250, 46, 1, 255, 240
2021 };
2022 int bytes;
2023
2024 /* Telnet server should demand we issue START_TLS */
2025 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
2026 if (bytes != 3 || memcmp(mbuf, tls_do, 3) != 0)
2027 goto shut;
2028 /* Agree to issue START_TLS and send the FOLLOWS sub-command */
2029 BIO_write(sbio, tls_will, 3);
2030 BIO_write(sbio, tls_follows, 6);
2031 (void)BIO_flush(sbio);
2032 /* Telnet server also sent the FOLLOWS sub-command */
2033 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
2034 if (bytes != 6 || memcmp(mbuf, tls_follows, 6) != 0)
2035 goto shut;
2036 }
552bf8ec
MT		 2037 break;
2038 case PROTO_CONNECT:
2039 {
2040 int foundit = 0;
2041 BIO *fbio = BIO_new(BIO_f_buffer());
2042
2043 BIO_push(fbio, sbio);
2044 BIO_printf(fbio, "CONNECT %s\r\n\r\n", connectstr);
2045 (void)BIO_flush(fbio);
2046 /* wait for multi-line response to end CONNECT response */
2047 do {
2048 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2049 if (strstr(mbuf, "200") != NULL
2050 && strstr(mbuf, "established") != NULL)
2051 foundit++;
2052 } while (mbuf_len > 3 && foundit == 0);
2053 (void)BIO_flush(fbio);
2054 BIO_pop(fbio);
2055 BIO_free(fbio);
2056 if (!foundit) {
2057 BIO_printf(bio_err, "%s: HTTP CONNECT failed\n", prog);
2058 goto shut;
2059 }
2060 }
2061 break;
cfb4f1ef
NPB		 2062 case PROTO_IRC:
2063 {
2064 int numeric;
2065 BIO *fbio = BIO_new(BIO_f_buffer());
2066
2067 BIO_push(fbio, sbio);
2068 BIO_printf(fbio, "STARTTLS\r\n");
2069 (void)BIO_flush(fbio);
2070 width = SSL_get_fd(con) + 1;
2071
2072 do {
2073 numeric = 0;
2074
2075 FD_ZERO(&readfds);
2076 openssl_fdset(SSL_get_fd(con), &readfds);
2077 timeout.tv_sec = S_CLIENT_IRC_READ_TIMEOUT;
2078 timeout.tv_usec = 0;
2079 /*
2080 * If the IRCd doesn't respond within
2081 * S_CLIENT_IRC_READ_TIMEOUT seconds, assume
2082 * it doesn't support STARTTLS. Many IRCds
2083 * will not give _any_ sort of response to a
2084 * STARTTLS command when it's not supported.
2085 */
2086 if (!BIO_get_buffer_num_lines(fbio)
2087 && !BIO_pending(fbio)
2088 && !BIO_pending(sbio)
2089 && select(width, (void *)&readfds, NULL, NULL,
2090 &timeout) < 1) {
2091 BIO_printf(bio_err,
2092 "Timeout waiting for response (%d seconds).\n",
2093 S_CLIENT_IRC_READ_TIMEOUT);
2094 break;
2095 }
2096
2097 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2098 if (mbuf_len < 1 || sscanf(mbuf, "%*s %d", &numeric) != 1)
2099 break;
2100 /* :example.net 451 STARTTLS :You have not registered */
2101 /* :example.net 421 STARTTLS :Unknown command */
2102 if ((numeric == 451 || numeric == 421)
2103 && strstr(mbuf, "STARTTLS") != NULL) {
2104 BIO_printf(bio_err, "STARTTLS not supported: %s", mbuf);
2105 break;
2106 }
2107 if (numeric == 691) {
2108 BIO_printf(bio_err, "STARTTLS negotiation failed: ");
2109 ERR_print_errors(bio_err);
2110 break;
2111 }
2112 } while (numeric != 670);
2113
2114 (void)BIO_flush(fbio);
2115 BIO_pop(fbio);
2116 BIO_free(fbio);
2117 if (numeric != 670) {
2118 BIO_printf(bio_err, "Server does not support STARTTLS.\n");
2119 ret = 1;
2120 goto shut;
2121 }
2122 }
0f113f3e
MC		 2123 }
2124
2125 for (;;) {
2126 FD_ZERO(&readfds);
2127 FD_ZERO(&writefds);
2128
2129 if ((SSL_version(con) == DTLS1_VERSION) &&
2130 DTLSv1_get_timeout(con, &timeout))
2131 timeoutp = &timeout;
2132 else
2133 timeoutp = NULL;
2134
2135 if (SSL_in_init(con) && !SSL_total_renegotiations(con)) {
2136 in_init = 1;
2137 tty_on = 0;
2138 } else {
2139 tty_on = 1;
2140 if (in_init) {
2141 in_init = 0;
e481f9b9 2142
7e1b7485
RS		 2143 if (servername != NULL && !SSL_session_reused(con)) {
2144 BIO_printf(bio_c_out,
2145 "Server did %sacknowledge servername extension.\n",
2146 tlsextcbp.ack ? "" : "not ");
2147 }
e481f9b9 2148
0f113f3e
MC		 2149 if (sess_out) {
2150 BIO *stmp = BIO_new_file(sess_out, "w");
2151 if (stmp) {
2152 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));
2153 BIO_free(stmp);
2154 } else
2155 BIO_printf(bio_err, "Error writing session file %s\n",
2156 sess_out);
2157 }
2158 if (c_brief) {
2159 BIO_puts(bio_err, "CONNECTION ESTABLISHED\n");
ecf3a1fb 2160 print_ssl_summary(con);
0f113f3e
MC		 2161 }
2162
2163 print_stuff(bio_c_out, con, full_log);
2164 if (full_log > 0)
2165 full_log--;
2166
2167 if (starttls_proto) {
7e1b7485 2168 BIO_write(bio_err, mbuf, mbuf_len);
0f113f3e 2169 /* We don't need to know any more */
7e1b7485
RS		 2170 if (!reconnect)
2171 starttls_proto = PROTO_OFF;
0f113f3e
MC		 2172 }
2173
2174 if (reconnect) {
2175 reconnect--;
2176 BIO_printf(bio_c_out,
2177 "drop connection and then reconnect\n");
ec447924 2178 do_ssl_shutdown(con);
0f113f3e 2179 SSL_set_connect_state(con);
8731a4fc 2180 BIO_closesocket(SSL_get_fd(con));
0f113f3e
MC		 2181 goto re_start;
2182 }
2183 }
2184 }
2185
2186 ssl_pending = read_ssl && SSL_pending(con);
2187
2188 if (!ssl_pending) {
b317819b 2189#if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE)
0f113f3e
MC		 2190 if (tty_on) {
2191 if (read_tty)
2192 openssl_fdset(fileno(stdin), &readfds);
2193 if (write_tty)
2194 openssl_fdset(fileno(stdout), &writefds);
2195 }
2196 if (read_ssl)
2197 openssl_fdset(SSL_get_fd(con), &readfds);
2198 if (write_ssl)
2199 openssl_fdset(SSL_get_fd(con), &writefds);
06f4536a 2200#else
0f113f3e
MC		 2201 if (!tty_on || !write_tty) {
2202 if (read_ssl)
2203 openssl_fdset(SSL_get_fd(con), &readfds);
2204 if (write_ssl)
2205 openssl_fdset(SSL_get_fd(con), &writefds);
2206 }
2207#endif
0f113f3e
MC		 2208
2209 /*
2210 * Note: under VMS with SOCKETSHR the second parameter is
2211 * currently of type (int *) whereas under other systems it is
2212 * (void *) if you don't have a cast it will choke the compiler:
2213 * if you do have a cast then you can either go for (int *) or
2214 * (void *).
2215 */
3d7c4a5a 2216#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
0f113f3e
MC		 2217 /*
2218 * Under Windows/DOS we make the assumption that we can always
2219 * write to the tty: therefore if we need to write to the tty we
2220 * just fall through. Otherwise we timeout the select every
2221 * second and see if there are any keypresses. Note: this is a
2222 * hack, in a proper Windows application we wouldn't do this.
2223 */
2224 i = 0;
2225 if (!write_tty) {
2226 if (read_tty) {
2227 tv.tv_sec = 1;
2228 tv.tv_usec = 0;
2229 i = select(width, (void *)&readfds, (void *)&writefds,
2230 NULL, &tv);
2231# if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
2232 if (!i && (!_kbhit() || !read_tty))
2233 continue;
2234# else
2235 if (!i && (!((_kbhit())
2236 || (WAIT_OBJECT_0 ==
2237 WaitForSingleObject(GetStdHandle
2238 (STD_INPUT_HANDLE),
2239 0)))
2240 || !read_tty))
2241 continue;
2242# endif
2243 } else
2244 i = select(width, (void *)&readfds, (void *)&writefds,
2245 NULL, timeoutp);
2246 }
47c1735a 2247#elif defined(OPENSSL_SYS_NETWARE)
0f113f3e
MC		 2248 if (!write_tty) {
2249 if (read_tty) {
2250 tv.tv_sec = 1;
2251 tv.tv_usec = 0;
2252 i = select(width, (void *)&readfds, (void *)&writefds,
2253 NULL, &tv);
2254 } else
2255 i = select(width, (void *)&readfds, (void *)&writefds,
2256 NULL, timeoutp);
2257 }
06f4536a 2258#else
0f113f3e
MC		 2259 i = select(width, (void *)&readfds, (void *)&writefds,
2260 NULL, timeoutp);
2261#endif
2262 if (i < 0) {
2263 BIO_printf(bio_err, "bad select %d\n",
2264 get_last_socket_error());
2265 goto shut;
2266 /* goto end; */
2267 }
2268 }
2269
2270 if ((SSL_version(con) == DTLS1_VERSION)
2271 && DTLSv1_handle_timeout(con) > 0) {
2272 BIO_printf(bio_err, "TIMEOUT occurred\n");
2273 }
2274
2275 if (!ssl_pending && FD_ISSET(SSL_get_fd(con), &writefds)) {
2276 k = SSL_write(con, &(cbuf[cbuf_off]), (unsigned int)cbuf_len);
2277 switch (SSL_get_error(con, k)) {
2278 case SSL_ERROR_NONE:
2279 cbuf_off += k;
2280 cbuf_len -= k;
2281 if (k <= 0)
2282 goto end;
2283 /* we have done a write(con,NULL,0); */
2284 if (cbuf_len <= 0) {
2285 read_tty = 1;
2286 write_ssl = 0;
2287 } else { /* if (cbuf_len > 0) */
2288
2289 read_tty = 0;
2290 write_ssl = 1;
2291 }
2292 break;
2293 case SSL_ERROR_WANT_WRITE:
2294 BIO_printf(bio_c_out, "write W BLOCK\n");
2295 write_ssl = 1;
2296 read_tty = 0;
2297 break;
7e25dd6d
MC		 2298 case SSL_ERROR_WANT_ASYNC:
2299 BIO_printf(bio_c_out, "write A BLOCK\n");
e1b9840e 2300 wait_for_async(con);
7e25dd6d
MC		 2301 write_ssl = 1;
2302 read_tty = 0;
2303 break;
0f113f3e
MC		 2304 case SSL_ERROR_WANT_READ:
2305 BIO_printf(bio_c_out, "write R BLOCK\n");
2306 write_tty = 0;
2307 read_ssl = 1;
2308 write_ssl = 0;
2309 break;
2310 case SSL_ERROR_WANT_X509_LOOKUP:
2311 BIO_printf(bio_c_out, "write X BLOCK\n");
2312 break;
2313 case SSL_ERROR_ZERO_RETURN:
2314 if (cbuf_len != 0) {
2315 BIO_printf(bio_c_out, "shutdown\n");
2316 ret = 0;
2317 goto shut;
2318 } else {
2319 read_tty = 1;
2320 write_ssl = 0;
2321 break;
2322 }
2323
2324 case SSL_ERROR_SYSCALL:
2325 if ((k != 0) || (cbuf_len != 0)) {
2326 BIO_printf(bio_err, "write:errno=%d\n",
2327 get_last_socket_error());
2328 goto shut;
2329 } else {
2330 read_tty = 1;
2331 write_ssl = 0;
2332 }
2333 break;
2334 case SSL_ERROR_SSL:
2335 ERR_print_errors(bio_err);
2336 goto shut;
2337 }
2338 }
b317819b 2339#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
0f113f3e
MC		 2340 /* Assume Windows/DOS/BeOS can always write */
2341 else if (!ssl_pending && write_tty)
06f4536a 2342#else
0f113f3e 2343 else if (!ssl_pending && FD_ISSET(fileno(stdout), &writefds))
06f4536a 2344#endif
0f113f3e 2345 {
a53955d8 2346#ifdef CHARSET_EBCDIC
0f113f3e
MC		 2347 ascii2ebcdic(&(sbuf[sbuf_off]), &(sbuf[sbuf_off]), sbuf_len);
2348#endif
2349 i = raw_write_stdout(&(sbuf[sbuf_off]), sbuf_len);
2350
2351 if (i <= 0) {
2352 BIO_printf(bio_c_out, "DONE\n");
2353 ret = 0;
2354 goto shut;
2355 /* goto end; */
2356 }
2357
2358 sbuf_len -= i;;
2359 sbuf_off += i;
2360 if (sbuf_len <= 0) {
2361 read_ssl = 1;
2362 write_tty = 0;
2363 }
2364 } else if (ssl_pending || FD_ISSET(SSL_get_fd(con), &readfds)) {
58964a49 2365#ifdef RENEG
0f113f3e
MC		 2366 {
2367 static int iiii;
2368 if (++iiii == 52) {
2369 SSL_renegotiate(con);
2370 iiii = 0;
2371 }
2372 }
58964a49 2373#endif
0f113f3e 2374 k = SSL_read(con, sbuf, 1024 /* BUFSIZZ */ );
0f113f3e
MC		 2375
2376 switch (SSL_get_error(con, k)) {
2377 case SSL_ERROR_NONE:
2378 if (k <= 0)
2379 goto end;
2380 sbuf_off = 0;
2381 sbuf_len = k;
2382
2383 read_ssl = 0;
2384 write_tty = 1;
2385 break;
7e25dd6d
MC		 2386 case SSL_ERROR_WANT_ASYNC:
2387 BIO_printf(bio_c_out, "read A BLOCK\n");
e1b9840e 2388 wait_for_async(con);
7e25dd6d
MC		 2389 write_tty = 0;
2390 read_ssl = 1;
2391 if ((read_tty == 0) && (write_ssl == 0))
2392 write_ssl = 1;
2393 break;
0f113f3e
MC		 2394 case SSL_ERROR_WANT_WRITE:
2395 BIO_printf(bio_c_out, "read W BLOCK\n");
2396 write_ssl = 1;
2397 read_tty = 0;
2398 break;
2399 case SSL_ERROR_WANT_READ:
2400 BIO_printf(bio_c_out, "read R BLOCK\n");
2401 write_tty = 0;
2402 read_ssl = 1;
2403 if ((read_tty == 0) && (write_ssl == 0))
2404 write_ssl = 1;
2405 break;
2406 case SSL_ERROR_WANT_X509_LOOKUP:
2407 BIO_printf(bio_c_out, "read X BLOCK\n");
2408 break;
2409 case SSL_ERROR_SYSCALL:
2410 ret = get_last_socket_error();
2411 if (c_brief)
2412 BIO_puts(bio_err, "CONNECTION CLOSED BY SERVER\n");
2413 else
2414 BIO_printf(bio_err, "read:errno=%d\n", ret);
2415 goto shut;
2416 case SSL_ERROR_ZERO_RETURN:
2417 BIO_printf(bio_c_out, "closed\n");
2418 ret = 0;
2419 goto shut;
2420 case SSL_ERROR_SSL:
2421 ERR_print_errors(bio_err);
2422 goto shut;
2423 /* break; */
2424 }
2425 }
3d7c4a5a 2426#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
0f113f3e
MC		 2427# if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
2428 else if (_kbhit())
2429# else
2430 else if ((_kbhit())
2431 || (WAIT_OBJECT_0 ==
2432 WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
2433# endif
4d8743f4 2434#elif defined (OPENSSL_SYS_NETWARE)
0f113f3e 2435 else if (_kbhit())
06f4536a 2436#else
0f113f3e
MC		 2437 else if (FD_ISSET(fileno(stdin), &readfds))
2438#endif
2439 {
2440 if (crlf) {
2441 int j, lf_num;
2442
2443 i = raw_read_stdin(cbuf, BUFSIZZ / 2);
2444 lf_num = 0;
2445 /* both loops are skipped when i <= 0 */
2446 for (j = 0; j < i; j++)
2447 if (cbuf[j] == '\n')
2448 lf_num++;
2449 for (j = i - 1; j >= 0; j--) {
2450 cbuf[j + lf_num] = cbuf[j];
2451 if (cbuf[j] == '\n') {
2452 lf_num--;
2453 i++;
2454 cbuf[j + lf_num] = '\r';
2455 }
2456 }
2457 assert(lf_num == 0);
2458 } else
2459 i = raw_read_stdin(cbuf, BUFSIZZ);
2460
6ba8a5b7 2461 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q' && cmdletters))) {
0f113f3e
MC		 2462 BIO_printf(bio_err, "DONE\n");
2463 ret = 0;
2464 goto shut;
2465 }
2466
6ba8a5b7 2467 if ((!c_ign_eof) && (cbuf[0] == 'R' && cmdletters)) {
0f113f3e
MC		 2468 BIO_printf(bio_err, "RENEGOTIATING\n");
2469 SSL_renegotiate(con);
2470 cbuf_len = 0;
2471 }
4817504d 2472#ifndef OPENSSL_NO_HEARTBEATS
6ba8a5b7 2473 else if ((!c_ign_eof) && (cbuf[0] == 'B' && cmdletters)) {
0f113f3e
MC		 2474 BIO_printf(bio_err, "HEARTBEATING\n");
2475 SSL_heartbeat(con);
2476 cbuf_len = 0;
2477 }
2478#endif
2479 else {
2480 cbuf_len = i;
2481 cbuf_off = 0;
a53955d8 2482#ifdef CHARSET_EBCDIC
0f113f3e
MC		 2483 ebcdic2ascii(cbuf, cbuf, i);
2484#endif
2485 }
2486
2487 write_ssl = 1;
2488 read_tty = 0;
2489 }
2490 }
2491
2492 ret = 0;
2493 shut:
2494 if (in_init)
2495 print_stuff(bio_c_out, con, full_log);
ec447924 2496 do_ssl_shutdown(con);
8731a4fc 2497 BIO_closesocket(SSL_get_fd(con));
0f113f3e
MC		 2498 end:
2499 if (con != NULL) {
2500 if (prexit != 0)
2501 print_stuff(bio_c_out, con, 1);
2502 SSL_free(con);
2503 }
e481f9b9 2504#if !defined(OPENSSL_NO_NEXTPROTONEG)
b548a1f1 2505 OPENSSL_free(next_proto.data);
0f113f3e 2506#endif
62adbcee 2507 SSL_CTX_free(ctx);
222561fe 2508 X509_free(cert);
4b45c6e5 2509 sk_X509_CRL_pop_free(crls, X509_CRL_free);
c5ba2d99 2510 EVP_PKEY_free(key);
222561fe 2511 sk_X509_pop_free(chain, X509_free);
b548a1f1 2512 OPENSSL_free(pass);
d40a1f72
DSH		 2513#ifndef OPENSSL_NO_SRP
2514 OPENSSL_free(srp_arg.srppassin);
2515#endif
ab69ac00
RL		 2516 OPENSSL_free(host);
2517 OPENSSL_free(port);
222561fe 2518 X509_VERIFY_PARAM_free(vpm);
0f113f3e 2519 ssl_excert_free(exc);
7e1b7485 2520 sk_OPENSSL_STRING_free(ssl_args);
cddd424a 2521 sk_OPENSSL_STRING_free(dane_tlsa_rrset);
62adbcee 2522 SSL_CONF_CTX_free(cctx);
4b45c6e5
RS		 2523 OPENSSL_clear_free(cbuf, BUFSIZZ);
2524 OPENSSL_clear_free(sbuf, BUFSIZZ);
2525 OPENSSL_clear_free(mbuf, BUFSIZZ);
ca3a82c3
RS		 2526 BIO_free(bio_c_out);
2527 bio_c_out = NULL;
2528 BIO_free(bio_c_msg);
2529 bio_c_msg = NULL;
7e1b7485 2530 return (ret);
0f113f3e 2531}
d02b48c6 2532
6b691a5c 2533static void print_stuff(BIO *bio, SSL *s, int full)
0f113f3e
MC		 2534{
2535 X509 *peer = NULL;
2536 char buf[BUFSIZ];
2537 STACK_OF(X509) *sk;
2538 STACK_OF(X509_NAME) *sk2;
2539 const SSL_CIPHER *c;
2540 X509_NAME *xn;
2541 int i;
09b6c2ef 2542#ifndef OPENSSL_NO_COMP
0f113f3e
MC		 2543 const COMP_METHOD *comp, *expansion;
2544#endif
2545 unsigned char *exportedkeymat;
dd696a55
RP		 2546#ifndef OPENSSL_NO_CT
2547 const STACK_OF(SCT) *scts;
2548#endif
0f113f3e
MC		 2549
2550 if (full) {
2551 int got_a_chain = 0;
2552
2553 sk = SSL_get_peer_cert_chain(s);
2554 if (sk != NULL) {
7e1b7485 2555 got_a_chain = 1;
0f113f3e
MC		 2556
2557 BIO_printf(bio, "---\nCertificate chain\n");
2558 for (i = 0; i < sk_X509_num(sk); i++) {
2559 X509_NAME_oneline(X509_get_subject_name(sk_X509_value(sk, i)),
2560 buf, sizeof buf);
2561 BIO_printf(bio, "%2d s:%s\n", i, buf);
2562 X509_NAME_oneline(X509_get_issuer_name(sk_X509_value(sk, i)),
2563 buf, sizeof buf);
2564 BIO_printf(bio, " i:%s\n", buf);
2565 if (c_showcerts)
2566 PEM_write_bio_X509(bio, sk_X509_value(sk, i));
2567 }
2568 }
2569
2570 BIO_printf(bio, "---\n");
2571 peer = SSL_get_peer_certificate(s);
2572 if (peer != NULL) {
2573 BIO_printf(bio, "Server certificate\n");
2574
2575 /* Redundant if we showed the whole chain */
2576 if (!(c_showcerts && got_a_chain))
2577 PEM_write_bio_X509(bio, peer);
2578 X509_NAME_oneline(X509_get_subject_name(peer), buf, sizeof buf);
2579 BIO_printf(bio, "subject=%s\n", buf);
2580 X509_NAME_oneline(X509_get_issuer_name(peer), buf, sizeof buf);
2581 BIO_printf(bio, "issuer=%s\n", buf);
2582 } else
2583 BIO_printf(bio, "no peer certificate available\n");
2584
2585 sk2 = SSL_get_client_CA_list(s);
2586 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0)) {
2587 BIO_printf(bio, "---\nAcceptable client certificate CA names\n");
2588 for (i = 0; i < sk_X509_NAME_num(sk2); i++) {
2589 xn = sk_X509_NAME_value(sk2, i);
2590 X509_NAME_oneline(xn, buf, sizeof(buf));
2591 BIO_write(bio, buf, strlen(buf));
2592 BIO_write(bio, "\n", 1);
2593 }
2594 } else {
2595 BIO_printf(bio, "---\nNo client certificate CA names sent\n");
2596 }
2597
2598 ssl_print_sigalgs(bio, s);
2599 ssl_print_tmp_key(bio, s);
2600
dd696a55
RP		 2601#ifndef OPENSSL_NO_CT
2602 scts = SSL_get0_peer_scts(s);
2603 BIO_printf(bio, "---\nSCTs present (%i)\n---\n",
2604 scts ? sk_SCT_num(scts) : 0);
2605 SCT_LIST_print(scts, bio, 0, "\n---\n");
2606 BIO_printf(bio, "\n");
2607 if (SSL_get_ct_validation_callback(s) == NULL) {
2608 BIO_printf(bio, "---\nWarning: CT validation is disabled, so not all "
2609 "SCTs may be displayed. Re-run with \"-requestct\".\n");
2610 }
2611#endif
2612
0f113f3e 2613 BIO_printf(bio,
fb029ceb 2614 "---\nSSL handshake has read %"PRIu64" bytes and written %"PRIu64" bytes\n",
0f113f3e
MC		 2615 BIO_number_read(SSL_get_rbio(s)),
2616 BIO_number_written(SSL_get_wbio(s)));
2617 }
c0a445a9 2618 print_verify_detail(s, bio);
b577fd0b 2619 BIO_printf(bio, (SSL_session_reused(s) ? "---\nReused, " : "---\nNew, "));
0f113f3e
MC		 2620 c = SSL_get_current_cipher(s);
2621 BIO_printf(bio, "%s, Cipher is %s\n",
2622 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
2623 if (peer != NULL) {
2624 EVP_PKEY *pktmp;
c01ff880 2625 pktmp = X509_get0_pubkey(peer);
0f113f3e
MC		 2626 BIO_printf(bio, "Server public key is %d bit\n",
2627 EVP_PKEY_bits(pktmp));
0f113f3e
MC		 2628 }
2629 BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
2630 SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
09b6c2ef 2631#ifndef OPENSSL_NO_COMP
0f113f3e
MC		 2632 comp = SSL_get_current_compression(s);
2633 expansion = SSL_get_current_expansion(s);
2634 BIO_printf(bio, "Compression: %s\n",
2635 comp ? SSL_COMP_get_name(comp) : "NONE");
2636 BIO_printf(bio, "Expansion: %s\n",
2637 expansion ? SSL_COMP_get_name(expansion) : "NONE");
2638#endif
2639
57559471 2640#ifdef SSL_DEBUG
0f113f3e
MC		 2641 {
2642 /* Print out local port of connection: useful for debugging */
2643 int sock;
2644 struct sockaddr_in ladd;
2645 socklen_t ladd_size = sizeof(ladd);
2646 sock = SSL_get_fd(s);
2647 getsockname(sock, (struct sockaddr *)&ladd, &ladd_size);
2648 BIO_printf(bio_c_out, "LOCAL PORT is %u\n", ntohs(ladd.sin_port));
2649 }
a2f9200f
DSH		 2650#endif
2651
e481f9b9 2652#if !defined(OPENSSL_NO_NEXTPROTONEG)
0f113f3e
MC		 2653 if (next_proto.status != -1) {
2654 const unsigned char *proto;
2655 unsigned int proto_len;
2656 SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
2657 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
2658 BIO_write(bio, proto, proto_len);
2659 BIO_write(bio, "\n", 1);
2660 }
e481f9b9 2661#endif
0f113f3e
MC		 2662 {
2663 const unsigned char *proto;
2664 unsigned int proto_len;
2665 SSL_get0_alpn_selected(s, &proto, &proto_len);
2666 if (proto_len > 0) {
2667 BIO_printf(bio, "ALPN protocol: ");
2668 BIO_write(bio, proto, proto_len);
2669 BIO_write(bio, "\n", 1);
2670 } else
2671 BIO_printf(bio, "No ALPN negotiated\n");
2672 }
71fa4513 2673
e783bae2 2674#ifndef OPENSSL_NO_SRTP
0f113f3e
MC		 2675 {
2676 SRTP_PROTECTION_PROFILE *srtp_profile =
2677 SSL_get_selected_srtp_profile(s);
2678
2679 if (srtp_profile)
2680 BIO_printf(bio, "SRTP Extension negotiated, profile=%s\n",
2681 srtp_profile->name);
2682 }
2683#endif
2684
2685 SSL_SESSION_print(bio, SSL_get_session(s));
2686 if (keymatexportlabel != NULL) {
2687 BIO_printf(bio, "Keying material exporter:\n");
2688 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel);
2689 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen);
68dc6824
RS		 2690 exportedkeymat = app_malloc(keymatexportlen, "export key");
2691 if (!SSL_export_keying_material(s, exportedkeymat,
2692 keymatexportlen,
2693 keymatexportlabel,
2694 strlen(keymatexportlabel),
2695 NULL, 0, 0)) {
2696 BIO_printf(bio, " Error\n");
2697 } else {
2698 BIO_printf(bio, " Keying material: ");
2699 for (i = 0; i < keymatexportlen; i++)
2700 BIO_printf(bio, "%02X", exportedkeymat[i]);
2701 BIO_printf(bio, "\n");
0f113f3e 2702 }
68dc6824 2703 OPENSSL_free(exportedkeymat);
0f113f3e
MC		 2704 }
2705 BIO_printf(bio, "---\n");
222561fe 2706 X509_free(peer);
0f113f3e
MC		 2707 /* flush, or debugging output gets mixed with http response */
2708 (void)BIO_flush(bio);
2709}
d02b48c6 2710
67c8e7f4 2711static int ocsp_resp_cb(SSL *s, void *arg)
0f113f3e
MC		 2712{
2713 const unsigned char *p;
2714 int len;
2715 OCSP_RESPONSE *rsp;
2716 len = SSL_get_tlsext_status_ocsp_resp(s, &p);
2717 BIO_puts(arg, "OCSP response: ");
2718 if (!p) {
2719 BIO_puts(arg, "no response sent\n");
2720 return 1;
2721 }
2722 rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
2723 if (!rsp) {
2724 BIO_puts(arg, "response parse error\n");
2725 BIO_dump_indent(arg, (char *)p, len, 4);
2726 return 0;
2727 }
2728 BIO_puts(arg, "\n======================================\n");
2729 OCSP_RESPONSE_print(arg, rsp, 0);
2730 BIO_puts(arg, "======================================\n");
2731 OCSP_RESPONSE_free(rsp);
2732 return 1;
2733}
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