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1 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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.
7 *
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).
14 *
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.
21 *
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 :-).
36 * 4. If you include any Windows specific code (or a derivative thereof) from
37 * the apps directory (application code) you must include an acknowledgement:
38 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
39 *
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.
51 *
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 */
57 /* ====================================================================
58 * Copyright (c) 1998-2006 The OpenSSL Project. All rights reserved.
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
65 * notice, this list of conditions and the following disclaimer.
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 */
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 */
136
137 #include <ctype.h>
138 #include <stdio.h>
139 #include <stdlib.h>
140 #include <string.h>
141 #include <errno.h>
142 #include <openssl/e_os2.h>
143
144 #ifndef OPENSSL_NO_SOCK
145
146 /*
147 * With IPv6, it looks like Digital has mixed up the proper order of
148 * recursive header file inclusion, resulting in the compiler complaining
149 * that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which is
150 * needed to have fileno() declared correctly... So let's define u_int
151 */
152 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
153 # define __U_INT
154 typedef unsigned int u_int;
155 #endif
156
157 #define USE_SOCKETS
158 #include "apps.h"
159 #include <openssl/x509.h>
160 #include <openssl/ssl.h>
161 #include <openssl/err.h>
162 #include <openssl/pem.h>
163 #include <openssl/rand.h>
164 #include <openssl/ocsp.h>
165 #include <openssl/bn.h>
166 #include <openssl/async.h>
167 #ifndef OPENSSL_NO_SRP
168 # include <openssl/srp.h>
169 #endif
170 #ifndef OPENSSL_NO_CT
171 # include <openssl/ct.h>
172 #endif
173 #include "s_apps.h"
174 #include "timeouts.h"
175
176 #if defined(__has_feature)
177 # if __has_feature(memory_sanitizer)
178 # include <sanitizer/msan_interface.h>
179 # endif
180 #endif
181
182 #undef BUFSIZZ
183 #define BUFSIZZ 1024*8
184 #define S_CLIENT_IRC_READ_TIMEOUT 8
185
186 extern int verify_depth;
187 extern int verify_error;
188 extern int verify_return_error;
189 extern int verify_quiet;
190
191 static char *prog;
192 static int async = 0;
193 static unsigned int split_send_fragment = 0;
194 static unsigned int max_pipelines = 0;
195 static int c_nbio = 0;
196 static int c_tlsextdebug = 0;
197 static int c_status_req = 0;
198 static int c_debug = 0;
199 static int c_msg = 0;
200 static int c_showcerts = 0;
201 static char *keymatexportlabel = NULL;
202 static int keymatexportlen = 20;
203 static BIO *bio_c_out = NULL;
204 static BIO *bio_c_msg = NULL;
205 static int c_quiet = 0;
206 static int c_ign_eof = 0;
207 static int c_brief = 0;
208
209 static void print_stuff(BIO *berr, SSL *con, int full);
210 #ifndef OPENSSL_NO_OCSP
211 static int ocsp_resp_cb(SSL *s, void *arg);
212 #endif
213
214 static int saved_errno;
215
216 static void save_errno(void)
217 {
218 saved_errno = errno;
219 errno = 0;
220 }
221
222 static int restore_errno(void)
223 {
224 int ret = errno;
225 errno = saved_errno;
226 return ret;
227 }
228
229 static void do_ssl_shutdown(SSL *ssl)
230 {
231 int ret;
232
233 do {
234 /* We only do unidirectional shutdown */
235 ret = SSL_shutdown(ssl);
236 if (ret < 0) {
237 switch (SSL_get_error(ssl, ret)) {
238 case SSL_ERROR_WANT_READ:
239 case SSL_ERROR_WANT_WRITE:
240 case SSL_ERROR_WANT_ASYNC:
241 case SSL_ERROR_WANT_ASYNC_JOB:
242 /* We just do busy waiting. Nothing clever */
243 continue;
244 }
245 ret = 0;
246 }
247 } while (ret < 0);
248 }
249
250
251 #ifndef OPENSSL_NO_PSK
252 /* Default PSK identity and key */
253 static char *psk_identity = "Client_identity";
254 /*
255 * char *psk_key=NULL; by default PSK is not used
256 */
257
258 static unsigned int psk_client_cb(SSL *ssl, const char *hint, char *identity,
259 unsigned int max_identity_len,
260 unsigned char *psk,
261 unsigned int max_psk_len)
262 {
263 unsigned int psk_len = 0;
264 int ret;
265 BIGNUM *bn = NULL;
266
267 if (c_debug)
268 BIO_printf(bio_c_out, "psk_client_cb\n");
269 if (!hint) {
270 /* no ServerKeyExchange message */
271 if (c_debug)
272 BIO_printf(bio_c_out,
273 "NULL received PSK identity hint, continuing anyway\n");
274 } else if (c_debug)
275 BIO_printf(bio_c_out, "Received PSK identity hint '%s'\n", hint);
276
277 /*
278 * lookup PSK identity and PSK key based on the given identity hint here
279 */
280 ret = BIO_snprintf(identity, max_identity_len, "%s", psk_identity);
281 if (ret < 0 || (unsigned int)ret > max_identity_len)
282 goto out_err;
283 if (c_debug)
284 BIO_printf(bio_c_out, "created identity '%s' len=%d\n", identity,
285 ret);
286 ret = BN_hex2bn(&bn, psk_key);
287 if (!ret) {
288 BIO_printf(bio_err, "Could not convert PSK key '%s' to BIGNUM\n",
289 psk_key);
290 BN_free(bn);
291 return 0;
292 }
293
294 if ((unsigned int)BN_num_bytes(bn) > max_psk_len) {
295 BIO_printf(bio_err,
296 "psk buffer of callback is too small (%d) for key (%d)\n",
297 max_psk_len, BN_num_bytes(bn));
298 BN_free(bn);
299 return 0;
300 }
301
302 psk_len = BN_bn2bin(bn, psk);
303 BN_free(bn);
304 if (psk_len == 0)
305 goto out_err;
306
307 if (c_debug)
308 BIO_printf(bio_c_out, "created PSK len=%d\n", psk_len);
309
310 return psk_len;
311 out_err:
312 if (c_debug)
313 BIO_printf(bio_err, "Error in PSK client callback\n");
314 return 0;
315 }
316 #endif
317
318 /* This is a context that we pass to callbacks */
319 typedef struct tlsextctx_st {
320 BIO *biodebug;
321 int ack;
322 } tlsextctx;
323
324 static int ssl_servername_cb(SSL *s, int *ad, void *arg)
325 {
326 tlsextctx *p = (tlsextctx *) arg;
327 const char *hn = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
328 if (SSL_get_servername_type(s) != -1)
329 p->ack = !SSL_session_reused(s) && hn != NULL;
330 else
331 BIO_printf(bio_err, "Can't use SSL_get_servername\n");
332
333 return SSL_TLSEXT_ERR_OK;
334 }
335
336 #ifndef OPENSSL_NO_SRP
337
338 /* This is a context that we pass to all callbacks */
339 typedef struct srp_arg_st {
340 char *srppassin;
341 char *srplogin;
342 int msg; /* copy from c_msg */
343 int debug; /* copy from c_debug */
344 int amp; /* allow more groups */
345 int strength /* minimal size for N */ ;
346 } SRP_ARG;
347
348 # define SRP_NUMBER_ITERATIONS_FOR_PRIME 64
349
350 static int srp_Verify_N_and_g(const BIGNUM *N, const BIGNUM *g)
351 {
352 BN_CTX *bn_ctx = BN_CTX_new();
353 BIGNUM *p = BN_new();
354 BIGNUM *r = BN_new();
355 int ret =
356 g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) &&
357 BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
358 p != NULL && BN_rshift1(p, N) &&
359 /* p = (N-1)/2 */
360 BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
361 r != NULL &&
362 /* verify g^((N-1)/2) == -1 (mod N) */
363 BN_mod_exp(r, g, p, N, bn_ctx) &&
364 BN_add_word(r, 1) && BN_cmp(r, N) == 0;
365
366 BN_free(r);
367 BN_free(p);
368 BN_CTX_free(bn_ctx);
369 return ret;
370 }
371
372 /*-
373 * This callback is used here for two purposes:
374 * - extended debugging
375 * - making some primality tests for unknown groups
376 * The callback is only called for a non default group.
377 *
378 * An application does not need the call back at all if
379 * only the stanard groups are used. In real life situations,
380 * client and server already share well known groups,
381 * thus there is no need to verify them.
382 * Furthermore, in case that a server actually proposes a group that
383 * is not one of those defined in RFC 5054, it is more appropriate
384 * to add the group to a static list and then compare since
385 * primality tests are rather cpu consuming.
386 */
387
388 static int ssl_srp_verify_param_cb(SSL *s, void *arg)
389 {
390 SRP_ARG *srp_arg = (SRP_ARG *)arg;
391 BIGNUM *N = NULL, *g = NULL;
392
393 if (((N = SSL_get_srp_N(s)) == NULL) || ((g = SSL_get_srp_g(s)) == NULL))
394 return 0;
395 if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1) {
396 BIO_printf(bio_err, "SRP parameters:\n");
397 BIO_printf(bio_err, "\tN=");
398 BN_print(bio_err, N);
399 BIO_printf(bio_err, "\n\tg=");
400 BN_print(bio_err, g);
401 BIO_printf(bio_err, "\n");
402 }
403
404 if (SRP_check_known_gN_param(g, N))
405 return 1;
406
407 if (srp_arg->amp == 1) {
408 if (srp_arg->debug)
409 BIO_printf(bio_err,
410 "SRP param N and g are not known params, going to check deeper.\n");
411
412 /*
413 * The srp_moregroups is a real debugging feature. Implementors
414 * should rather add the value to the known ones. The minimal size
415 * has already been tested.
416 */
417 if (BN_num_bits(g) <= BN_BITS && srp_Verify_N_and_g(N, g))
418 return 1;
419 }
420 BIO_printf(bio_err, "SRP param N and g rejected.\n");
421 return 0;
422 }
423
424 # define PWD_STRLEN 1024
425
426 static char *ssl_give_srp_client_pwd_cb(SSL *s, void *arg)
427 {
428 SRP_ARG *srp_arg = (SRP_ARG *)arg;
429 char *pass = app_malloc(PWD_STRLEN + 1, "SRP password buffer");
430 PW_CB_DATA cb_tmp;
431 int l;
432
433 cb_tmp.password = (char *)srp_arg->srppassin;
434 cb_tmp.prompt_info = "SRP user";
435 if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp)) < 0) {
436 BIO_printf(bio_err, "Can't read Password\n");
437 OPENSSL_free(pass);
438 return NULL;
439 }
440 *(pass + l) = '\0';
441
442 return pass;
443 }
444
445 #endif
446
447 static char *srtp_profiles = NULL;
448
449 #ifndef OPENSSL_NO_NEXTPROTONEG
450 /* This the context that we pass to next_proto_cb */
451 typedef struct tlsextnextprotoctx_st {
452 unsigned char *data;
453 size_t len;
454 int status;
455 } tlsextnextprotoctx;
456
457 static tlsextnextprotoctx next_proto;
458
459 static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen,
460 const unsigned char *in, unsigned int inlen,
461 void *arg)
462 {
463 tlsextnextprotoctx *ctx = arg;
464
465 if (!c_quiet) {
466 /* We can assume that |in| is syntactically valid. */
467 unsigned i;
468 BIO_printf(bio_c_out, "Protocols advertised by server: ");
469 for (i = 0; i < inlen;) {
470 if (i)
471 BIO_write(bio_c_out, ", ", 2);
472 BIO_write(bio_c_out, &in[i + 1], in[i]);
473 i += in[i] + 1;
474 }
475 BIO_write(bio_c_out, "\n", 1);
476 }
477
478 ctx->status =
479 SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len);
480 return SSL_TLSEXT_ERR_OK;
481 }
482 #endif /* ndef OPENSSL_NO_NEXTPROTONEG */
483
484 static int serverinfo_cli_parse_cb(SSL *s, unsigned int ext_type,
485 const unsigned char *in, size_t inlen,
486 int *al, void *arg)
487 {
488 char pem_name[100];
489 unsigned char ext_buf[4 + 65536];
490
491 /* Reconstruct the type/len fields prior to extension data */
492 ext_buf[0] = ext_type >> 8;
493 ext_buf[1] = ext_type & 0xFF;
494 ext_buf[2] = inlen >> 8;
495 ext_buf[3] = inlen & 0xFF;
496 memcpy(ext_buf + 4, in, inlen);
497
498 BIO_snprintf(pem_name, sizeof(pem_name), "SERVERINFO FOR EXTENSION %d",
499 ext_type);
500 PEM_write_bio(bio_c_out, pem_name, "", ext_buf, 4 + inlen);
501 return 1;
502 }
503
504 /*
505 * Hex decoder that tolerates optional whitespace. Returns number of bytes
506 * produced, advances inptr to end of input string.
507 */
508 static ossl_ssize_t hexdecode(const char **inptr, void *result)
509 {
510 unsigned char **out = (unsigned char **)result;
511 const char *in = *inptr;
512 unsigned char *ret = OPENSSL_malloc(strlen(in)/2);
513 unsigned char *cp = ret;
514 uint8_t byte;
515 int nibble = 0;
516
517 if (ret == NULL)
518 return -1;
519
520 for (byte = 0; *in; ++in) {
521 char c;
522
523 if (isspace(_UC(*in)))
524 continue;
525 c = tolower(_UC(*in));
526 if ('0' <= c && c <= '9') {
527 byte |= c - '0';
528 } else if ('a' <= c && c <= 'f') {
529 byte |= c - 'a' + 10;
530 } else {
531 OPENSSL_free(ret);
532 return 0;
533 }
534 if ((nibble ^= 1) == 0) {
535 *cp++ = byte;
536 byte = 0;
537 } else {
538 byte <<= 4;
539 }
540 }
541 if (nibble != 0) {
542 OPENSSL_free(ret);
543 return 0;
544 }
545 *inptr = in;
546
547 return cp - (*out = ret);
548 }
549
550 /*
551 * Decode unsigned 0..255, returns 1 on success, <= 0 on failure. Advances
552 * inptr to next field skipping leading whitespace.
553 */
554 static ossl_ssize_t checked_uint8(const char **inptr, void *out)
555 {
556 uint8_t *result = (uint8_t *)out;
557 const char *in = *inptr;
558 char *endp;
559 long v;
560 int e;
561
562 save_errno();
563 v = strtol(in, &endp, 10);
564 e = restore_errno();
565
566 if (((v == LONG_MIN || v == LONG_MAX) && e == ERANGE) ||
567 endp == in || !isspace(_UC(*endp)) ||
568 v != (*result = (uint8_t) v)) {
569 return -1;
570 }
571 for (in = endp; isspace(_UC(*in)); ++in)
572 continue;
573
574 *inptr = in;
575 return 1;
576 }
577
578 struct tlsa_field {
579 void *var;
580 const char *name;
581 ossl_ssize_t (*parser)(const char **, void *);
582 };
583
584 static int tlsa_import_rr(SSL *con, const char *rrdata)
585 {
586 /* Not necessary to re-init these values; the "parsers" do that. */
587 static uint8_t usage;
588 static uint8_t selector;
589 static uint8_t mtype;
590 static unsigned char *data;
591 static struct tlsa_field tlsa_fields[] = {
592 { &usage, "usage", checked_uint8 },
593 { &selector, "selector", checked_uint8 },
594 { &mtype, "mtype", checked_uint8 },
595 { &data, "data", hexdecode },
596 { NULL, }
597 };
598 struct tlsa_field *f;
599 int ret;
600 const char *cp = rrdata;
601 ossl_ssize_t len = 0;
602
603 for (f = tlsa_fields; f->var; ++f) {
604 /* Returns number of bytes produced, advances cp to next field */
605 if ((len = f->parser(&cp, f->var)) <= 0) {
606 BIO_printf(bio_err, "%s: warning: bad TLSA %s field in: %s\n",
607 prog, f->name, rrdata);
608 return 0;
609 }
610 }
611 /* The data field is last, so len is its length */
612 ret = SSL_dane_tlsa_add(con, usage, selector, mtype, data, len);
613 OPENSSL_free(data);
614
615 if (ret == 0) {
616 ERR_print_errors(bio_err);
617 BIO_printf(bio_err, "%s: warning: unusable TLSA rrdata: %s\n",
618 prog, rrdata);
619 return 0;
620 }
621 if (ret < 0) {
622 ERR_print_errors(bio_err);
623 BIO_printf(bio_err, "%s: warning: error loading TLSA rrdata: %s\n",
624 prog, rrdata);
625 return 0;
626 }
627 return ret;
628 }
629
630 static int tlsa_import_rrset(SSL *con, STACK_OF(OPENSSL_STRING) *rrset)
631 {
632 int num = sk_OPENSSL_STRING_num(rrset);
633 int count = 0;
634 int i;
635
636 for (i = 0; i < num; ++i) {
637 char *rrdata = sk_OPENSSL_STRING_value(rrset, i);
638 if (tlsa_import_rr(con, rrdata) > 0)
639 ++count;
640 }
641 return count > 0;
642 }
643
644 typedef enum OPTION_choice {
645 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
646 OPT_4, OPT_6, OPT_HOST, OPT_PORT, OPT_CONNECT, OPT_UNIX,
647 OPT_XMPPHOST, OPT_VERIFY,
648 OPT_CERT, OPT_CRL, OPT_CRL_DOWNLOAD, OPT_SESS_OUT, OPT_SESS_IN,
649 OPT_CERTFORM, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET,
650 OPT_BRIEF, OPT_PREXIT, OPT_CRLF, OPT_QUIET, OPT_NBIO,
651 OPT_SSL_CLIENT_ENGINE, OPT_RAND, OPT_IGN_EOF, OPT_NO_IGN_EOF,
652 OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_WDEBUG,
653 OPT_MSG, OPT_MSGFILE, OPT_ENGINE, OPT_TRACE, OPT_SECURITY_DEBUG,
654 OPT_SECURITY_DEBUG_VERBOSE, OPT_SHOWCERTS, OPT_NBIO_TEST, OPT_STATE,
655 OPT_PSK_IDENTITY, OPT_PSK, OPT_SRPUSER, OPT_SRPPASS, OPT_SRP_STRENGTH,
656 OPT_SRP_LATEUSER, OPT_SRP_MOREGROUPS, OPT_SSL3, OPT_SSL_CONFIG,
657 OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1,
658 OPT_DTLS1_2, OPT_TIMEOUT, OPT_MTU, OPT_KEYFORM, OPT_PASS,
659 OPT_CERT_CHAIN, OPT_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH,
660 OPT_KEY, OPT_RECONNECT, OPT_BUILD_CHAIN, OPT_CAFILE, OPT_NOCAFILE,
661 OPT_CHAINCAFILE, OPT_VERIFYCAFILE, OPT_NEXTPROTONEG, OPT_ALPN,
662 OPT_SERVERINFO, OPT_STARTTLS, OPT_SERVERNAME,
663 OPT_USE_SRTP, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN, OPT_SMTPHOST,
664 OPT_ASYNC, OPT_SPLIT_SEND_FRAG, OPT_MAX_PIPELINES, OPT_READ_BUF,
665 OPT_V_ENUM,
666 OPT_X_ENUM,
667 OPT_S_ENUM,
668 OPT_FALLBACKSCSV, OPT_NOCMDS, OPT_PROXY, OPT_DANE_TLSA_DOMAIN,
669 #ifndef OPENSSL_NO_CT
670 OPT_CT, OPT_NOCT, OPT_CTLOG_FILE,
671 #endif
672 OPT_DANE_TLSA_RRDATA
673 } OPTION_CHOICE;
674
675 OPTIONS s_client_options[] = {
676 {"help", OPT_HELP, '-', "Display this summary"},
677 {"host", OPT_HOST, 's', "Use -connect instead"},
678 {"port", OPT_PORT, 'p', "Use -connect instead"},
679 {"connect", OPT_CONNECT, 's',
680 "TCP/IP where to connect (default is :" PORT ")"},
681 {"proxy", OPT_PROXY, 's',
682 "Connect to via specified proxy to the real server"},
683 #ifdef AF_UNIX
684 {"unix", OPT_UNIX, 's', "Connect over unix domain sockets"},
685 #endif
686 {"4", OPT_4, '-', "Use IPv4 only"},
687 {"6", OPT_6, '-', "Use IPv6 only"},
688 {"verify", OPT_VERIFY, 'p', "Turn on peer certificate verification"},
689 {"cert", OPT_CERT, '<', "Certificate file to use, PEM format assumed"},
690 {"certform", OPT_CERTFORM, 'F',
691 "Certificate format (PEM or DER) PEM default"},
692 {"key", OPT_KEY, '<', "Private key file to use, if not in -cert file"},
693 {"keyform", OPT_KEYFORM, 'F', "Key format (PEM or DER) PEM default"},
694 {"pass", OPT_PASS, 's', "Private key file pass phrase source"},
695 {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
696 {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
697 {"no-CAfile", OPT_NOCAFILE, '-',
698 "Do not load the default certificates file"},
699 {"no-CApath", OPT_NOCAPATH, '-',
700 "Do not load certificates from the default certificates directory"},
701 {"dane_tlsa_domain", OPT_DANE_TLSA_DOMAIN, 's', "DANE TLSA base domain"},
702 {"dane_tlsa_rrdata", OPT_DANE_TLSA_RRDATA, 's',
703 "DANE TLSA rrdata presentation form"},
704 {"reconnect", OPT_RECONNECT, '-',
705 "Drop and re-make the connection with the same Session-ID"},
706 {"showcerts", OPT_SHOWCERTS, '-', "Show all certificates in the chain"},
707 {"debug", OPT_DEBUG, '-', "Extra output"},
708 {"msg", OPT_MSG, '-', "Show protocol messages"},
709 {"msgfile", OPT_MSGFILE, '>',
710 "File to send output of -msg or -trace, instead of stdout"},
711 {"nbio_test", OPT_NBIO_TEST, '-', "More ssl protocol testing"},
712 {"state", OPT_STATE, '-', "Print the ssl states"},
713 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"},
714 {"quiet", OPT_QUIET, '-', "No s_client output"},
715 {"ign_eof", OPT_IGN_EOF, '-', "Ignore input eof (default when -quiet)"},
716 {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Don't ignore input eof"},
717 {"starttls", OPT_STARTTLS, 's',
718 "Use the appropriate STARTTLS command before starting TLS"},
719 {"xmpphost", OPT_XMPPHOST, 's',
720 "Host to use with \"-starttls xmpp[-server]\""},
721 {"rand", OPT_RAND, 's',
722 "Load the file(s) into the random number generator"},
723 {"sess_out", OPT_SESS_OUT, '>', "File to write SSL session to"},
724 {"sess_in", OPT_SESS_IN, '<', "File to read SSL session from"},
725 {"use_srtp", OPT_USE_SRTP, 's',
726 "Offer SRTP key management with a colon-separated profile list"},
727 {"keymatexport", OPT_KEYMATEXPORT, 's',
728 "Export keying material using label"},
729 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
730 "Export len bytes of keying material (default 20)"},
731 {"fallback_scsv", OPT_FALLBACKSCSV, '-', "Send the fallback SCSV"},
732 {"name", OPT_SMTPHOST, 's', "Hostname to use for \"-starttls smtp\""},
733 {"CRL", OPT_CRL, '<', "CRL file to use"},
734 {"crl_download", OPT_CRL_DOWNLOAD, '-', "Download CRL from distribution points"},
735 {"CRLform", OPT_CRLFORM, 'F', "CRL format (PEM or DER) PEM is default"},
736 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-',
737 "Close connection on verification error"},
738 {"verify_quiet", OPT_VERIFY_QUIET, '-', "Restrict verify output to errors"},
739 {"brief", OPT_BRIEF, '-',
740 "Restrict output to brief summary of connection parameters"},
741 {"prexit", OPT_PREXIT, '-',
742 "Print session information when the program exits"},
743 {"security_debug", OPT_SECURITY_DEBUG, '-',
744 "Enable security debug messages"},
745 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-',
746 "Output more security debug output"},
747 {"cert_chain", OPT_CERT_CHAIN, '<',
748 "Certificate chain file (in PEM format)"},
749 {"chainCApath", OPT_CHAINCAPATH, '/',
750 "Use dir as certificate store path to build CA certificate chain"},
751 {"verifyCApath", OPT_VERIFYCAPATH, '/',
752 "Use dir as certificate store path to verify CA certificate"},
753 {"build_chain", OPT_BUILD_CHAIN, '-', "Build certificate chain"},
754 {"chainCAfile", OPT_CHAINCAFILE, '<',
755 "CA file for certificate chain (PEM format)"},
756 {"verifyCAfile", OPT_VERIFYCAFILE, '<',
757 "CA file for certificate verification (PEM format)"},
758 {"nocommands", OPT_NOCMDS, '-', "Do not use interactive command letters"},
759 {"servername", OPT_SERVERNAME, 's',
760 "Set TLS extension servername in ClientHello"},
761 {"tlsextdebug", OPT_TLSEXTDEBUG, '-',
762 "Hex dump of all TLS extensions received"},
763 #ifndef OPENSSL_NO_OCSP
764 {"status", OPT_STATUS, '-', "Request certificate status from server"},
765 #endif
766 {"serverinfo", OPT_SERVERINFO, 's',
767 "types Send empty ClientHello extensions (comma-separated numbers)"},
768 {"alpn", OPT_ALPN, 's',
769 "Enable ALPN extension, considering named protocols supported (comma-separated list)"},
770 {"async", OPT_ASYNC, '-', "Support asynchronous operation"},
771 {"ssl_config", OPT_SSL_CONFIG, 's', "Use specified configuration file"},
772 {"split_send_frag", OPT_SPLIT_SEND_FRAG, 'n',
773 "Size used to split data for encrypt pipelines"},
774 {"max_pipelines", OPT_MAX_PIPELINES, 'n',
775 "Maximum number of encrypt/decrypt pipelines to be used"},
776 {"read_buf", OPT_READ_BUF, 'n',
777 "Default read buffer size to be used for connections"},
778 OPT_S_OPTIONS,
779 OPT_V_OPTIONS,
780 OPT_X_OPTIONS,
781 #ifndef OPENSSL_NO_SSL3
782 {"ssl3", OPT_SSL3, '-', "Just use SSLv3"},
783 #endif
784 #ifndef OPENSSL_NO_TLS1
785 {"tls1", OPT_TLS1, '-', "Just use TLSv1"},
786 #endif
787 #ifndef OPENSSL_NO_TLS1_1
788 {"tls1_1", OPT_TLS1_1, '-', "Just use TLSv1.1"},
789 #endif
790 #ifndef OPENSSL_NO_TLS1_2
791 {"tls1_2", OPT_TLS1_2, '-', "Just use TLSv1.2"},
792 #endif
793 #ifndef OPENSSL_NO_DTLS
794 {"dtls", OPT_DTLS, '-', "Use any version of DTLS"},
795 {"timeout", OPT_TIMEOUT, '-',
796 "Enable send/receive timeout on DTLS connections"},
797 {"mtu", OPT_MTU, 'p', "Set the link layer MTU"},
798 #endif
799 #ifndef OPENSSL_NO_DTLS1
800 {"dtls1", OPT_DTLS1, '-', "Just use DTLSv1"},
801 #endif
802 #ifndef OPENSSL_NO_DTLS1_2
803 {"dtls1_2", OPT_DTLS1_2, '-', "Just use DTLSv1.2"},
804 #endif
805 #ifndef OPENSSL_NO_SSL_TRACE
806 {"trace", OPT_TRACE, '-', "Show trace output of protocol messages"},
807 #endif
808 #ifdef WATT32
809 {"wdebug", OPT_WDEBUG, '-', "WATT-32 tcp debugging"},
810 #endif
811 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"},
812 #ifndef OPENSSL_NO_PSK
813 {"psk_identity", OPT_PSK_IDENTITY, 's', "PSK identity"},
814 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"},
815 #endif
816 #ifndef OPENSSL_NO_SRP
817 {"srpuser", OPT_SRPUSER, 's', "SRP authentification for 'user'"},
818 {"srppass", OPT_SRPPASS, 's', "Password for 'user'"},
819 {"srp_lateuser", OPT_SRP_LATEUSER, '-',
820 "SRP username into second ClientHello message"},
821 {"srp_moregroups", OPT_SRP_MOREGROUPS, '-',
822 "Tolerate other than the known g N values."},
823 {"srp_strength", OPT_SRP_STRENGTH, 'p', "Minimal length in bits for N"},
824 #endif
825 #ifndef OPENSSL_NO_NEXTPROTONEG
826 {"nextprotoneg", OPT_NEXTPROTONEG, 's',
827 "Enable NPN extension, considering named protocols supported (comma-separated list)"},
828 #endif
829 #ifndef OPENSSL_NO_ENGINE
830 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
831 {"ssl_client_engine", OPT_SSL_CLIENT_ENGINE, 's',
832 "Specify engine to be used for client certificate operations"},
833 #endif
834 #ifndef OPENSSL_NO_CT
835 {"ct", OPT_CT, '-', "Request and parse SCTs (also enables OCSP stapling)"},
836 {"noct", OPT_NOCT, '-', "Do not request or parse SCTs (default)"},
837 {"ctlogfile", OPT_CTLOG_FILE, '<', "CT log list CONF file"},
838 #endif
839 {NULL}
840 };
841
842 typedef enum PROTOCOL_choice {
843 PROTO_OFF,
844 PROTO_SMTP,
845 PROTO_POP3,
846 PROTO_IMAP,
847 PROTO_FTP,
848 PROTO_TELNET,
849 PROTO_XMPP,
850 PROTO_XMPP_SERVER,
851 PROTO_CONNECT,
852 PROTO_IRC
853 } PROTOCOL_CHOICE;
854
855 static OPT_PAIR services[] = {
856 {"smtp", PROTO_SMTP},
857 {"pop3", PROTO_POP3},
858 {"imap", PROTO_IMAP},
859 {"ftp", PROTO_FTP},
860 {"xmpp", PROTO_XMPP},
861 {"xmpp-server", PROTO_XMPP_SERVER},
862 {"telnet", PROTO_TELNET},
863 {"irc", PROTO_IRC},
864 {NULL}
865 };
866
867 int s_client_main(int argc, char **argv)
868 {
869 BIO *sbio;
870 EVP_PKEY *key = NULL;
871 SSL *con = NULL;
872 SSL_CTX *ctx = NULL;
873 STACK_OF(X509) *chain = NULL;
874 X509 *cert = NULL;
875 X509_VERIFY_PARAM *vpm = NULL;
876 SSL_EXCERT *exc = NULL;
877 SSL_CONF_CTX *cctx = NULL;
878 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
879 char *dane_tlsa_domain = NULL;
880 STACK_OF(OPENSSL_STRING) *dane_tlsa_rrset = NULL;
881 STACK_OF(X509_CRL) *crls = NULL;
882 const SSL_METHOD *meth = TLS_client_method();
883 char *CApath = NULL, *CAfile = NULL, *cbuf = NULL, *sbuf = NULL;
884 char *mbuf = NULL, *proxystr = NULL, *connectstr = NULL;
885 char *cert_file = NULL, *key_file = NULL, *chain_file = NULL;
886 char *chCApath = NULL, *chCAfile = NULL, *host = NULL;
887 char *port = BUF_strdup(PORT);
888 char *inrand = NULL;
889 char *passarg = NULL, *pass = NULL, *vfyCApath = NULL, *vfyCAfile = NULL;
890 char *sess_in = NULL, *sess_out = NULL, *crl_file = NULL, *p;
891 char *xmpphost = NULL;
892 const char *ehlo = "mail.example.com";
893 struct timeval timeout, *timeoutp;
894 fd_set readfds, writefds;
895 int noCApath = 0, noCAfile = 0;
896 int build_chain = 0, cbuf_len, cbuf_off, cert_format = FORMAT_PEM;
897 int key_format = FORMAT_PEM, crlf = 0, full_log = 1, mbuf_len = 0;
898 int prexit = 0;
899 int sdebug = 0;
900 int reconnect = 0, verify = SSL_VERIFY_NONE, vpmtouched = 0;
901 int ret = 1, in_init = 1, i, nbio_test = 0, s = -1, k, width, state = 0;
902 int sbuf_len, sbuf_off, cmdletters = 1;
903 int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM;
904 int starttls_proto = PROTO_OFF, crl_format = FORMAT_PEM, crl_download = 0;
905 int write_tty, read_tty, write_ssl, read_ssl, tty_on, ssl_pending;
906 int read_buf_len = 0;
907 int fallback_scsv = 0;
908 long randamt = 0;
909 OPTION_CHOICE o;
910 #ifndef OPENSSL_NO_DTLS
911 int enable_timeouts = 0;
912 long socket_mtu = 0;
913 #endif
914 #ifndef OPENSSL_NO_ENGINE
915 ENGINE *ssl_client_engine = NULL;
916 #endif
917 ENGINE *e = NULL;
918 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
919 struct timeval tv;
920 #endif
921 char *servername = NULL;
922 const char *alpn_in = NULL;
923 tlsextctx tlsextcbp = { NULL, 0 };
924 const char *ssl_config = NULL;
925 #define MAX_SI_TYPES 100
926 unsigned short serverinfo_types[MAX_SI_TYPES];
927 int serverinfo_count = 0, start = 0, len;
928 #ifndef OPENSSL_NO_NEXTPROTONEG
929 const char *next_proto_neg_in = NULL;
930 #endif
931 #ifndef OPENSSL_NO_SRP
932 char *srppass = NULL;
933 int srp_lateuser = 0;
934 SRP_ARG srp_arg = { NULL, NULL, 0, 0, 0, 1024 };
935 #endif
936 #ifndef OPENSSL_NO_CT
937 char *ctlog_file = NULL;
938 int ct_validation = 0;
939 #endif
940 int min_version = 0, max_version = 0;
941
942 FD_ZERO(&readfds);
943 FD_ZERO(&writefds);
944 /* Known false-positive of MemorySanitizer. */
945 #if defined(__has_feature)
946 # if __has_feature(memory_sanitizer)
947 __msan_unpoison(&readfds, sizeof(readfds));
948 __msan_unpoison(&writefds, sizeof(writefds));
949 # endif
950 #endif
951
952 prog = opt_progname(argv[0]);
953 c_quiet = 0;
954 c_ign_eof = 0;
955 c_debug = 0;
956 c_msg = 0;
957 c_showcerts = 0;
958 c_nbio = 0;
959 verify_depth = 0;
960 verify_error = X509_V_OK;
961 vpm = X509_VERIFY_PARAM_new();
962 cbuf = app_malloc(BUFSIZZ, "cbuf");
963 sbuf = app_malloc(BUFSIZZ, "sbuf");
964 mbuf = app_malloc(BUFSIZZ, "mbuf");
965 cctx = SSL_CONF_CTX_new();
966
967 if (vpm == NULL || cctx == NULL) {
968 BIO_printf(bio_err, "%s: out of memory\n", prog);
969 goto end;
970 }
971
972 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT | SSL_CONF_FLAG_CMDLINE);
973
974 prog = opt_init(argc, argv, s_client_options);
975 while ((o = opt_next()) != OPT_EOF) {
976 switch (o) {
977 case OPT_EOF:
978 case OPT_ERR:
979 opthelp:
980 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
981 goto end;
982 case OPT_HELP:
983 opt_help(s_client_options);
984 ret = 0;
985 goto end;
986 case OPT_4:
987 #ifdef AF_UNIX
988 if (socket_family == AF_UNIX) {
989 OPENSSL_free(host); host = NULL;
990 OPENSSL_free(port); port = NULL;
991 }
992 #endif
993 socket_family = AF_INET;
994 break;
995 case OPT_6:
996 if (1) {
997 #ifdef AF_INET6
998 #ifdef AF_UNIX
999 if (socket_family == AF_UNIX) {
1000 OPENSSL_free(host); host = NULL;
1001 OPENSSL_free(port); port = NULL;
1002 }
1003 #endif
1004 socket_family = AF_INET6;
1005 } else {
1006 #endif
1007 BIO_printf(bio_err, "%s: IPv6 domain sockets unsupported\n", prog);
1008 goto end;
1009 }
1010 break;
1011 case OPT_HOST:
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(host); host = BUF_strdup(opt_arg());
1020 break;
1021 case OPT_PORT:
1022 #ifdef AF_UNIX
1023 if (socket_family == AF_UNIX) {
1024 OPENSSL_free(host); host = NULL;
1025 OPENSSL_free(port); port = NULL;
1026 socket_family = AF_UNSPEC;
1027 }
1028 #endif
1029 OPENSSL_free(port); port = BUF_strdup(opt_arg());
1030 break;
1031 case OPT_CONNECT:
1032 #ifdef AF_UNIX
1033 if (socket_family == AF_UNIX) {
1034 socket_family = AF_UNSPEC;
1035 }
1036 #endif
1037 OPENSSL_free(host); host = NULL;
1038 OPENSSL_free(port); port = NULL;
1039 connectstr = opt_arg();
1040 break;
1041 case OPT_PROXY:
1042 proxystr = opt_arg();
1043 starttls_proto = PROTO_CONNECT;
1044 break;
1045 #ifdef AF_UNIX
1046 case OPT_UNIX:
1047 socket_family = AF_UNIX;
1048 OPENSSL_free(host); host = BUF_strdup(opt_arg());
1049 OPENSSL_free(port); port = NULL;
1050 break;
1051 #endif
1052 case OPT_XMPPHOST:
1053 xmpphost = opt_arg();
1054 break;
1055 case OPT_SMTPHOST:
1056 ehlo = opt_arg();
1057 break;
1058 case OPT_VERIFY:
1059 verify = SSL_VERIFY_PEER;
1060 verify_depth = atoi(opt_arg());
1061 if (!c_quiet)
1062 BIO_printf(bio_err, "verify depth is %d\n", verify_depth);
1063 break;
1064 case OPT_CERT:
1065 cert_file = opt_arg();
1066 break;
1067 case OPT_CRL:
1068 crl_file = opt_arg();
1069 break;
1070 case OPT_CRL_DOWNLOAD:
1071 crl_download = 1;
1072 break;
1073 case OPT_SESS_OUT:
1074 sess_out = opt_arg();
1075 break;
1076 case OPT_SESS_IN:
1077 sess_in = opt_arg();
1078 break;
1079 case OPT_CERTFORM:
1080 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &cert_format))
1081 goto opthelp;
1082 break;
1083 case OPT_CRLFORM:
1084 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
1085 goto opthelp;
1086 break;
1087 case OPT_VERIFY_RET_ERROR:
1088 verify_return_error = 1;
1089 break;
1090 case OPT_VERIFY_QUIET:
1091 verify_quiet = 1;
1092 break;
1093 case OPT_BRIEF:
1094 c_brief = verify_quiet = c_quiet = 1;
1095 break;
1096 case OPT_S_CASES:
1097 if (ssl_args == NULL)
1098 ssl_args = sk_OPENSSL_STRING_new_null();
1099 if (ssl_args == NULL
1100 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
1101 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
1102 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1103 goto end;
1104 }
1105 break;
1106 case OPT_V_CASES:
1107 if (!opt_verify(o, vpm))
1108 goto end;
1109 vpmtouched++;
1110 break;
1111 case OPT_X_CASES:
1112 if (!args_excert(o, &exc))
1113 goto end;
1114 break;
1115 case OPT_PREXIT:
1116 prexit = 1;
1117 break;
1118 case OPT_CRLF:
1119 crlf = 1;
1120 break;
1121 case OPT_QUIET:
1122 c_quiet = c_ign_eof = 1;
1123 break;
1124 case OPT_NBIO:
1125 c_nbio = 1;
1126 break;
1127 case OPT_NOCMDS:
1128 cmdletters = 0;
1129 break;
1130 case OPT_ENGINE:
1131 e = setup_engine(opt_arg(), 1);
1132 break;
1133 case OPT_SSL_CLIENT_ENGINE:
1134 #ifndef OPENSSL_NO_ENGINE
1135 ssl_client_engine = ENGINE_by_id(opt_arg());
1136 if (ssl_client_engine == NULL) {
1137 BIO_printf(bio_err, "Error getting client auth engine\n");
1138 goto opthelp;
1139 }
1140 break;
1141 #endif
1142 break;
1143 case OPT_RAND:
1144 inrand = opt_arg();
1145 break;
1146 case OPT_IGN_EOF:
1147 c_ign_eof = 1;
1148 break;
1149 case OPT_NO_IGN_EOF:
1150 c_ign_eof = 0;
1151 break;
1152 case OPT_DEBUG:
1153 c_debug = 1;
1154 break;
1155 case OPT_TLSEXTDEBUG:
1156 c_tlsextdebug = 1;
1157 break;
1158 case OPT_STATUS:
1159 c_status_req = 1;
1160 break;
1161 case OPT_WDEBUG:
1162 #ifdef WATT32
1163 dbug_init();
1164 #endif
1165 break;
1166 case OPT_MSG:
1167 c_msg = 1;
1168 break;
1169 case OPT_MSGFILE:
1170 bio_c_msg = BIO_new_file(opt_arg(), "w");
1171 break;
1172 case OPT_TRACE:
1173 #ifndef OPENSSL_NO_SSL_TRACE
1174 c_msg = 2;
1175 #endif
1176 break;
1177 case OPT_SECURITY_DEBUG:
1178 sdebug = 1;
1179 break;
1180 case OPT_SECURITY_DEBUG_VERBOSE:
1181 sdebug = 2;
1182 break;
1183 case OPT_SHOWCERTS:
1184 c_showcerts = 1;
1185 break;
1186 case OPT_NBIO_TEST:
1187 nbio_test = 1;
1188 break;
1189 case OPT_STATE:
1190 state = 1;
1191 break;
1192 #ifndef OPENSSL_NO_PSK
1193 case OPT_PSK_IDENTITY:
1194 psk_identity = opt_arg();
1195 break;
1196 case OPT_PSK:
1197 for (p = psk_key = opt_arg(); *p; p++) {
1198 if (isxdigit(_UC(*p)))
1199 continue;
1200 BIO_printf(bio_err, "Not a hex number '%s'\n", psk_key);
1201 goto end;
1202 }
1203 break;
1204 #else
1205 case OPT_PSK_IDENTITY:
1206 case OPT_PSK:
1207 break;
1208 #endif
1209 #ifndef OPENSSL_NO_SRP
1210 case OPT_SRPUSER:
1211 srp_arg.srplogin = opt_arg();
1212 if (min_version < TLS1_VERSION)
1213 min_version = TLS1_VERSION;
1214 break;
1215 case OPT_SRPPASS:
1216 srppass = opt_arg();
1217 if (min_version < TLS1_VERSION)
1218 min_version = TLS1_VERSION;
1219 break;
1220 case OPT_SRP_STRENGTH:
1221 srp_arg.strength = atoi(opt_arg());
1222 BIO_printf(bio_err, "SRP minimal length for N is %d\n",
1223 srp_arg.strength);
1224 if (min_version < TLS1_VERSION)
1225 min_version = TLS1_VERSION;
1226 break;
1227 case OPT_SRP_LATEUSER:
1228 srp_lateuser = 1;
1229 if (min_version < TLS1_VERSION)
1230 min_version = TLS1_VERSION;
1231 break;
1232 case OPT_SRP_MOREGROUPS:
1233 srp_arg.amp = 1;
1234 if (min_version < TLS1_VERSION)
1235 min_version = TLS1_VERSION;
1236 break;
1237 #else
1238 case OPT_SRPUSER:
1239 case OPT_SRPPASS:
1240 case OPT_SRP_STRENGTH:
1241 case OPT_SRP_LATEUSER:
1242 case OPT_SRP_MOREGROUPS:
1243 break;
1244 #endif
1245 case OPT_SSL_CONFIG:
1246 ssl_config = opt_arg();
1247 break;
1248 case OPT_SSL3:
1249 min_version = SSL3_VERSION;
1250 max_version = SSL3_VERSION;
1251 break;
1252 case OPT_TLS1_2:
1253 min_version = TLS1_2_VERSION;
1254 max_version = TLS1_2_VERSION;
1255 break;
1256 case OPT_TLS1_1:
1257 min_version = TLS1_1_VERSION;
1258 max_version = TLS1_1_VERSION;
1259 break;
1260 case OPT_TLS1:
1261 min_version = TLS1_VERSION;
1262 max_version = TLS1_VERSION;
1263 break;
1264 case OPT_DTLS:
1265 #ifndef OPENSSL_NO_DTLS
1266 meth = DTLS_client_method();
1267 socket_type = SOCK_DGRAM;
1268 #endif
1269 break;
1270 case OPT_DTLS1:
1271 #ifndef OPENSSL_NO_DTLS1
1272 meth = DTLS_client_method();
1273 min_version = DTLS1_VERSION;
1274 max_version = DTLS1_VERSION;
1275 socket_type = SOCK_DGRAM;
1276 #endif
1277 break;
1278 case OPT_DTLS1_2:
1279 #ifndef OPENSSL_NO_DTLS1_2
1280 meth = DTLS_client_method();
1281 min_version = DTLS1_2_VERSION;
1282 max_version = DTLS1_2_VERSION;
1283 socket_type = SOCK_DGRAM;
1284 #endif
1285 break;
1286 case OPT_TIMEOUT:
1287 #ifndef OPENSSL_NO_DTLS
1288 enable_timeouts = 1;
1289 #endif
1290 break;
1291 case OPT_MTU:
1292 #ifndef OPENSSL_NO_DTLS
1293 socket_mtu = atol(opt_arg());
1294 #endif
1295 break;
1296 case OPT_FALLBACKSCSV:
1297 fallback_scsv = 1;
1298 break;
1299 case OPT_KEYFORM:
1300 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &key_format))
1301 goto opthelp;
1302 break;
1303 case OPT_PASS:
1304 passarg = opt_arg();
1305 break;
1306 case OPT_CERT_CHAIN:
1307 chain_file = opt_arg();
1308 break;
1309 case OPT_KEY:
1310 key_file = opt_arg();
1311 break;
1312 case OPT_RECONNECT:
1313 reconnect = 5;
1314 break;
1315 case OPT_CAPATH:
1316 CApath = opt_arg();
1317 break;
1318 case OPT_NOCAPATH:
1319 noCApath = 1;
1320 break;
1321 case OPT_CHAINCAPATH:
1322 chCApath = opt_arg();
1323 break;
1324 case OPT_VERIFYCAPATH:
1325 vfyCApath = opt_arg();
1326 break;
1327 case OPT_BUILD_CHAIN:
1328 build_chain = 1;
1329 break;
1330 case OPT_CAFILE:
1331 CAfile = opt_arg();
1332 break;
1333 case OPT_NOCAFILE:
1334 noCAfile = 1;
1335 break;
1336 #ifndef OPENSSL_NO_CT
1337 case OPT_NOCT:
1338 ct_validation = 0;
1339 break;
1340 case OPT_CT:
1341 ct_validation = 1;
1342 break;
1343 case OPT_CTLOG_FILE:
1344 ctlog_file = opt_arg();
1345 break;
1346 #endif
1347 case OPT_CHAINCAFILE:
1348 chCAfile = opt_arg();
1349 break;
1350 case OPT_VERIFYCAFILE:
1351 vfyCAfile = opt_arg();
1352 break;
1353 case OPT_DANE_TLSA_DOMAIN:
1354 dane_tlsa_domain = opt_arg();
1355 break;
1356 case OPT_DANE_TLSA_RRDATA:
1357 if (dane_tlsa_rrset == NULL)
1358 dane_tlsa_rrset = sk_OPENSSL_STRING_new_null();
1359 if (dane_tlsa_rrset == NULL ||
1360 !sk_OPENSSL_STRING_push(dane_tlsa_rrset, opt_arg())) {
1361 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1362 goto end;
1363 }
1364 break;
1365 case OPT_NEXTPROTONEG:
1366 #ifndef OPENSSL_NO_NEXTPROTONEG
1367 next_proto_neg_in = opt_arg();
1368 #endif
1369 break;
1370 case OPT_ALPN:
1371 alpn_in = opt_arg();
1372 break;
1373 case OPT_SERVERINFO:
1374 p = opt_arg();
1375 len = strlen(p);
1376 for (start = 0, i = 0; i <= len; ++i) {
1377 if (i == len || p[i] == ',') {
1378 serverinfo_types[serverinfo_count] = atoi(p + start);
1379 if (++serverinfo_count == MAX_SI_TYPES)
1380 break;
1381 start = i + 1;
1382 }
1383 }
1384 break;
1385 case OPT_STARTTLS:
1386 if (!opt_pair(opt_arg(), services, &starttls_proto))
1387 goto end;
1388 break;
1389 case OPT_SERVERNAME:
1390 servername = opt_arg();
1391 break;
1392 case OPT_USE_SRTP:
1393 srtp_profiles = opt_arg();
1394 break;
1395 case OPT_KEYMATEXPORT:
1396 keymatexportlabel = opt_arg();
1397 break;
1398 case OPT_KEYMATEXPORTLEN:
1399 keymatexportlen = atoi(opt_arg());
1400 break;
1401 case OPT_ASYNC:
1402 async = 1;
1403 break;
1404 case OPT_SPLIT_SEND_FRAG:
1405 split_send_fragment = atoi(opt_arg());
1406 if (split_send_fragment == 0) {
1407 /*
1408 * Not allowed - set to a deliberately bad value so we get an
1409 * error message below
1410 */
1411 split_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH + 1;
1412 }
1413 break;
1414 case OPT_MAX_PIPELINES:
1415 max_pipelines = atoi(opt_arg());
1416 break;
1417 case OPT_READ_BUF:
1418 read_buf_len = atoi(opt_arg());
1419 break;
1420 }
1421 }
1422 argc = opt_num_rest();
1423 if (argc != 0)
1424 goto opthelp;
1425
1426 if (proxystr) {
1427 int res;
1428 char *tmp_host = host, *tmp_port = port;
1429 if (connectstr == NULL) {
1430 BIO_printf(bio_err, "%s: -proxy requires use of -connect\n", prog);
1431 goto opthelp;
1432 }
1433 res = BIO_parse_hostserv(proxystr, &host, &port, BIO_PARSE_PRIO_HOST);
1434 if (tmp_host != host)
1435 OPENSSL_free(tmp_host);
1436 if (tmp_port != port)
1437 OPENSSL_free(tmp_port);
1438 if (!res) {
1439 BIO_printf(bio_err, "%s: -proxy argument malformed or ambiguous\n",
1440 prog);
1441 goto end;
1442 }
1443 } else {
1444 int res = 1;
1445 char *tmp_host = host, *tmp_port = port;
1446 if (connectstr != NULL)
1447 res = BIO_parse_hostserv(connectstr, &host, &port,
1448 BIO_PARSE_PRIO_HOST);
1449 if (tmp_host != host)
1450 OPENSSL_free(tmp_host);
1451 if (tmp_port != port)
1452 OPENSSL_free(tmp_port);
1453 if (!res) {
1454 BIO_printf(bio_err,
1455 "%s: -connect argument malformed or ambiguous\n",
1456 prog);
1457 goto end;
1458 }
1459 }
1460
1461 if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) {
1462 BIO_printf(bio_err,
1463 "Can't use unix sockets and datagrams together\n");
1464 goto end;
1465 }
1466
1467 if (split_send_fragment > SSL3_RT_MAX_PLAIN_LENGTH) {
1468 BIO_printf(bio_err, "Bad split send fragment size\n");
1469 goto end;
1470 }
1471
1472 if (max_pipelines > SSL_MAX_PIPELINES) {
1473 BIO_printf(bio_err, "Bad max pipelines value\n");
1474 goto end;
1475 }
1476
1477 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1478 next_proto.status = -1;
1479 if (next_proto_neg_in) {
1480 next_proto.data =
1481 next_protos_parse(&next_proto.len, next_proto_neg_in);
1482 if (next_proto.data == NULL) {
1483 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n");
1484 goto end;
1485 }
1486 } else
1487 next_proto.data = NULL;
1488 #endif
1489
1490 if (!app_passwd(passarg, NULL, &pass, NULL)) {
1491 BIO_printf(bio_err, "Error getting password\n");
1492 goto end;
1493 }
1494
1495 if (key_file == NULL)
1496 key_file = cert_file;
1497
1498 if (key_file) {
1499 key = load_key(key_file, key_format, 0, pass, e,
1500 "client certificate private key file");
1501 if (key == NULL) {
1502 ERR_print_errors(bio_err);
1503 goto end;
1504 }
1505 }
1506
1507 if (cert_file) {
1508 cert = load_cert(cert_file, cert_format, "client certificate file");
1509 if (cert == NULL) {
1510 ERR_print_errors(bio_err);
1511 goto end;
1512 }
1513 }
1514
1515 if (chain_file) {
1516 if (!load_certs(chain_file, &chain, FORMAT_PEM, NULL,
1517 "client certificate chain"))
1518 goto end;
1519 }
1520
1521 if (crl_file) {
1522 X509_CRL *crl;
1523 crl = load_crl(crl_file, crl_format);
1524 if (crl == NULL) {
1525 BIO_puts(bio_err, "Error loading CRL\n");
1526 ERR_print_errors(bio_err);
1527 goto end;
1528 }
1529 crls = sk_X509_CRL_new_null();
1530 if (crls == NULL || !sk_X509_CRL_push(crls, crl)) {
1531 BIO_puts(bio_err, "Error adding CRL\n");
1532 ERR_print_errors(bio_err);
1533 X509_CRL_free(crl);
1534 goto end;
1535 }
1536 }
1537
1538 if (!load_excert(&exc))
1539 goto end;
1540
1541 if (!app_RAND_load_file(NULL, 1) && inrand == NULL
1542 && !RAND_status()) {
1543 BIO_printf(bio_err,
1544 "warning, not much extra random data, consider using the -rand option\n");
1545 }
1546 if (inrand != NULL) {
1547 randamt = app_RAND_load_files(inrand);
1548 BIO_printf(bio_err, "%ld semi-random bytes loaded\n", randamt);
1549 }
1550
1551 if (bio_c_out == NULL) {
1552 if (c_quiet && !c_debug) {
1553 bio_c_out = BIO_new(BIO_s_null());
1554 if (c_msg && !bio_c_msg)
1555 bio_c_msg = dup_bio_out(FORMAT_TEXT);
1556 } else if (bio_c_out == NULL)
1557 bio_c_out = dup_bio_out(FORMAT_TEXT);
1558 }
1559 #ifndef OPENSSL_NO_SRP
1560 if (!app_passwd(srppass, NULL, &srp_arg.srppassin, NULL)) {
1561 BIO_printf(bio_err, "Error getting password\n");
1562 goto end;
1563 }
1564 #endif
1565
1566 ctx = SSL_CTX_new(meth);
1567 if (ctx == NULL) {
1568 ERR_print_errors(bio_err);
1569 goto end;
1570 }
1571
1572 if (sdebug)
1573 ssl_ctx_security_debug(ctx, sdebug);
1574
1575 if (ssl_config) {
1576 if (SSL_CTX_config(ctx, ssl_config) == 0) {
1577 BIO_printf(bio_err, "Error using configuration \"%s\"\n",
1578 ssl_config);
1579 ERR_print_errors(bio_err);
1580 goto end;
1581 }
1582 }
1583
1584 if (SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
1585 goto end;
1586 if (SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
1587 goto end;
1588
1589 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
1590 BIO_printf(bio_err, "Error setting verify params\n");
1591 ERR_print_errors(bio_err);
1592 goto end;
1593 }
1594
1595 if (async) {
1596 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
1597 }
1598 if (split_send_fragment > 0) {
1599 SSL_CTX_set_split_send_fragment(ctx, split_send_fragment);
1600 }
1601 if (max_pipelines > 0) {
1602 SSL_CTX_set_max_pipelines(ctx, max_pipelines);
1603 }
1604
1605 if (read_buf_len > 0) {
1606 SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len);
1607 }
1608
1609 if (!config_ctx(cctx, ssl_args, ctx))
1610 goto end;
1611
1612 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1613 crls, crl_download)) {
1614 BIO_printf(bio_err, "Error loading store locations\n");
1615 ERR_print_errors(bio_err);
1616 goto end;
1617 }
1618 #ifndef OPENSSL_NO_ENGINE
1619 if (ssl_client_engine) {
1620 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine)) {
1621 BIO_puts(bio_err, "Error setting client auth engine\n");
1622 ERR_print_errors(bio_err);
1623 ENGINE_free(ssl_client_engine);
1624 goto end;
1625 }
1626 ENGINE_free(ssl_client_engine);
1627 }
1628 #endif
1629
1630 #ifndef OPENSSL_NO_PSK
1631 if (psk_key != NULL) {
1632 if (c_debug)
1633 BIO_printf(bio_c_out,
1634 "PSK key given, setting client callback\n");
1635 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
1636 }
1637 #endif
1638 #ifndef OPENSSL_NO_SRTP
1639 if (srtp_profiles != NULL) {
1640 /* Returns 0 on success! */
1641 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
1642 BIO_printf(bio_err, "Error setting SRTP profile\n");
1643 ERR_print_errors(bio_err);
1644 goto end;
1645 }
1646 }
1647 #endif
1648
1649 if (exc)
1650 ssl_ctx_set_excert(ctx, exc);
1651
1652 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1653 if (next_proto.data)
1654 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
1655 #endif
1656 if (alpn_in) {
1657 size_t alpn_len;
1658 unsigned char *alpn = next_protos_parse(&alpn_len, alpn_in);
1659
1660 if (alpn == NULL) {
1661 BIO_printf(bio_err, "Error parsing -alpn argument\n");
1662 goto end;
1663 }
1664 /* Returns 0 on success! */
1665 if (SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len) != 0) {
1666 BIO_printf(bio_err, "Error setting ALPN\n");
1667 goto end;
1668 }
1669 OPENSSL_free(alpn);
1670 }
1671
1672 for (i = 0; i < serverinfo_count; i++) {
1673 if (!SSL_CTX_add_client_custom_ext(ctx,
1674 serverinfo_types[i],
1675 NULL, NULL, NULL,
1676 serverinfo_cli_parse_cb, NULL)) {
1677 BIO_printf(bio_err,
1678 "Warning: Unable to add custom extension %u, skipping\n",
1679 serverinfo_types[i]);
1680 }
1681 }
1682
1683 if (state)
1684 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1685
1686 #ifndef OPENSSL_NO_CT
1687 /* Enable SCT processing, without early connection termination */
1688 if (ct_validation &&
1689 !SSL_CTX_enable_ct(ctx, SSL_CT_VALIDATION_PERMISSIVE)) {
1690 ERR_print_errors(bio_err);
1691 goto end;
1692 }
1693
1694 if (!ctx_set_ctlog_list_file(ctx, ctlog_file)) {
1695 if (ct_validation) {
1696 ERR_print_errors(bio_err);
1697 goto end;
1698 }
1699
1700 /*
1701 * If CT validation is not enabled, the log list isn't needed so don't
1702 * show errors or abort. We try to load it regardless because then we
1703 * can show the names of the logs any SCTs came from (SCTs may be seen
1704 * even with validation disabled).
1705 */
1706 ERR_clear_error();
1707 }
1708 #endif
1709
1710 SSL_CTX_set_verify(ctx, verify, verify_callback);
1711
1712 if (!ctx_set_verify_locations(ctx, CAfile, CApath, noCAfile, noCApath)) {
1713 ERR_print_errors(bio_err);
1714 goto end;
1715 }
1716
1717 ssl_ctx_add_crls(ctx, crls, crl_download);
1718
1719 if (!set_cert_key_stuff(ctx, cert, key, chain, build_chain))
1720 goto end;
1721
1722 if (servername != NULL) {
1723 tlsextcbp.biodebug = bio_err;
1724 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1725 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1726 }
1727 # ifndef OPENSSL_NO_SRP
1728 if (srp_arg.srplogin) {
1729 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin)) {
1730 BIO_printf(bio_err, "Unable to set SRP username\n");
1731 goto end;
1732 }
1733 srp_arg.msg = c_msg;
1734 srp_arg.debug = c_debug;
1735 SSL_CTX_set_srp_cb_arg(ctx, &srp_arg);
1736 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb);
1737 SSL_CTX_set_srp_strength(ctx, srp_arg.strength);
1738 if (c_msg || c_debug || srp_arg.amp == 0)
1739 SSL_CTX_set_srp_verify_param_callback(ctx,
1740 ssl_srp_verify_param_cb);
1741 }
1742 # endif
1743
1744 if (dane_tlsa_domain != NULL) {
1745 if (SSL_CTX_dane_enable(ctx) <= 0) {
1746 BIO_printf(bio_err,
1747 "%s: Error enabling DANE TLSA authentication.\n", prog);
1748 ERR_print_errors(bio_err);
1749 goto end;
1750 }
1751 }
1752
1753 con = SSL_new(ctx);
1754 if (sess_in) {
1755 SSL_SESSION *sess;
1756 BIO *stmp = BIO_new_file(sess_in, "r");
1757 if (!stmp) {
1758 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1759 ERR_print_errors(bio_err);
1760 goto end;
1761 }
1762 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1763 BIO_free(stmp);
1764 if (!sess) {
1765 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1766 ERR_print_errors(bio_err);
1767 goto end;
1768 }
1769 if (!SSL_set_session(con, sess)) {
1770 BIO_printf(bio_err, "Can't set session\n");
1771 ERR_print_errors(bio_err);
1772 goto end;
1773 }
1774 SSL_SESSION_free(sess);
1775 }
1776
1777 if (fallback_scsv)
1778 SSL_set_mode(con, SSL_MODE_SEND_FALLBACK_SCSV);
1779
1780 if (servername != NULL) {
1781 if (!SSL_set_tlsext_host_name(con, servername)) {
1782 BIO_printf(bio_err, "Unable to set TLS servername extension.\n");
1783 ERR_print_errors(bio_err);
1784 goto end;
1785 }
1786 }
1787
1788 if (dane_tlsa_domain != NULL) {
1789 if (SSL_dane_enable(con, dane_tlsa_domain) <= 0) {
1790 BIO_printf(bio_err, "%s: Error enabling DANE TLSA "
1791 "authentication.\n", prog);
1792 ERR_print_errors(bio_err);
1793 goto end;
1794 }
1795 if (dane_tlsa_rrset == NULL) {
1796 BIO_printf(bio_err, "%s: DANE TLSA authentication requires at "
1797 "least one -dane_tlsa_rrset option.\n", prog);
1798 goto end;
1799 }
1800 if (tlsa_import_rrset(con, dane_tlsa_rrset) <= 0) {
1801 BIO_printf(bio_err, "%s: Failed to import any TLSA "
1802 "records.\n", prog);
1803 goto end;
1804 }
1805 } else if (dane_tlsa_rrset != NULL) {
1806 BIO_printf(bio_err, "%s: DANE TLSA authentication requires the "
1807 "-dane_tlsa_domain option.\n", prog);
1808 goto end;
1809 }
1810
1811 re_start:
1812 if (init_client(&s, host, port, socket_family, socket_type) == 0)
1813 {
1814 BIO_printf(bio_err, "connect:errno=%d\n", get_last_socket_error());
1815 BIO_closesocket(s);
1816 goto end;
1817 }
1818 BIO_printf(bio_c_out, "CONNECTED(%08X)\n", s);
1819
1820 if (c_nbio) {
1821 if (!BIO_socket_nbio(s, 1)) {
1822 ERR_print_errors(bio_err);
1823 goto end;
1824 }
1825 BIO_printf(bio_c_out, "Turned on non blocking io\n");
1826 }
1827 #ifndef OPENSSL_NO_DTLS
1828 if (socket_type == SOCK_DGRAM) {
1829 struct sockaddr peer;
1830 int peerlen = sizeof peer;
1831
1832 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
1833 if (getsockname(s, &peer, (void *)&peerlen) < 0) {
1834 BIO_printf(bio_err, "getsockname:errno=%d\n",
1835 get_last_socket_error());
1836 BIO_closesocket(s);
1837 goto end;
1838 }
1839
1840 (void)BIO_ctrl_set_connected(sbio, &peer);
1841
1842 if (enable_timeouts) {
1843 timeout.tv_sec = 0;
1844 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1845 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1846
1847 timeout.tv_sec = 0;
1848 timeout.tv_usec = DGRAM_SND_TIMEOUT;
1849 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1850 }
1851
1852 if (socket_mtu) {
1853 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
1854 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
1855 DTLS_get_link_min_mtu(con));
1856 BIO_free(sbio);
1857 goto shut;
1858 }
1859 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1860 if (!DTLS_set_link_mtu(con, socket_mtu)) {
1861 BIO_printf(bio_err, "Failed to set MTU\n");
1862 BIO_free(sbio);
1863 goto shut;
1864 }
1865 } else
1866 /* want to do MTU discovery */
1867 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1868 } else
1869 #endif /* OPENSSL_NO_DTLS */
1870 sbio = BIO_new_socket(s, BIO_NOCLOSE);
1871
1872 if (nbio_test) {
1873 BIO *test;
1874
1875 test = BIO_new(BIO_f_nbio_test());
1876 sbio = BIO_push(test, sbio);
1877 }
1878
1879 if (c_debug) {
1880 BIO_set_callback(sbio, bio_dump_callback);
1881 BIO_set_callback_arg(sbio, (char *)bio_c_out);
1882 }
1883 if (c_msg) {
1884 #ifndef OPENSSL_NO_SSL_TRACE
1885 if (c_msg == 2)
1886 SSL_set_msg_callback(con, SSL_trace);
1887 else
1888 #endif
1889 SSL_set_msg_callback(con, msg_cb);
1890 SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out);
1891 }
1892
1893 if (c_tlsextdebug) {
1894 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1895 SSL_set_tlsext_debug_arg(con, bio_c_out);
1896 }
1897 #ifndef OPENSSL_NO_OCSP
1898 if (c_status_req) {
1899 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
1900 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
1901 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
1902 }
1903 #endif
1904
1905 SSL_set_bio(con, sbio, sbio);
1906 SSL_set_connect_state(con);
1907
1908 /* ok, lets connect */
1909 width = SSL_get_fd(con) + 1;
1910
1911 read_tty = 1;
1912 write_tty = 0;
1913 tty_on = 0;
1914 read_ssl = 1;
1915 write_ssl = 1;
1916
1917 cbuf_len = 0;
1918 cbuf_off = 0;
1919 sbuf_len = 0;
1920 sbuf_off = 0;
1921
1922 switch ((PROTOCOL_CHOICE) starttls_proto) {
1923 case PROTO_OFF:
1924 break;
1925 case PROTO_SMTP:
1926 {
1927 /*
1928 * This is an ugly hack that does a lot of assumptions. We do
1929 * have to handle multi-line responses which may come in a single
1930 * packet or not. We therefore have to use BIO_gets() which does
1931 * need a buffering BIO. So during the initial chitchat we do
1932 * push a buffering BIO into the chain that is removed again
1933 * later on to not disturb the rest of the s_client operation.
1934 */
1935 int foundit = 0;
1936 BIO *fbio = BIO_new(BIO_f_buffer());
1937 BIO_push(fbio, sbio);
1938 /* wait for multi-line response to end from SMTP */
1939 do {
1940 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1941 }
1942 while (mbuf_len > 3 && mbuf[3] == '-');
1943 BIO_printf(fbio, "EHLO %s\r\n", ehlo);
1944 (void)BIO_flush(fbio);
1945 /* wait for multi-line response to end EHLO SMTP response */
1946 do {
1947 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1948 if (strstr(mbuf, "STARTTLS"))
1949 foundit = 1;
1950 }
1951 while (mbuf_len > 3 && mbuf[3] == '-');
1952 (void)BIO_flush(fbio);
1953 BIO_pop(fbio);
1954 BIO_free(fbio);
1955 if (!foundit)
1956 BIO_printf(bio_err,
1957 "didn't find starttls in server response,"
1958 " trying anyway...\n");
1959 BIO_printf(sbio, "STARTTLS\r\n");
1960 BIO_read(sbio, sbuf, BUFSIZZ);
1961 }
1962 break;
1963 case PROTO_POP3:
1964 {
1965 BIO_read(sbio, mbuf, BUFSIZZ);
1966 BIO_printf(sbio, "STLS\r\n");
1967 mbuf_len = BIO_read(sbio, sbuf, BUFSIZZ);
1968 if (mbuf_len < 0) {
1969 BIO_printf(bio_err, "BIO_read failed\n");
1970 goto end;
1971 }
1972 }
1973 break;
1974 case PROTO_IMAP:
1975 {
1976 int foundit = 0;
1977 BIO *fbio = BIO_new(BIO_f_buffer());
1978 BIO_push(fbio, sbio);
1979 BIO_gets(fbio, mbuf, BUFSIZZ);
1980 /* STARTTLS command requires CAPABILITY... */
1981 BIO_printf(fbio, ". CAPABILITY\r\n");
1982 (void)BIO_flush(fbio);
1983 /* wait for multi-line CAPABILITY response */
1984 do {
1985 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1986 if (strstr(mbuf, "STARTTLS"))
1987 foundit = 1;
1988 }
1989 while (mbuf_len > 3 && mbuf[0] != '.');
1990 (void)BIO_flush(fbio);
1991 BIO_pop(fbio);
1992 BIO_free(fbio);
1993 if (!foundit)
1994 BIO_printf(bio_err,
1995 "didn't find STARTTLS in server response,"
1996 " trying anyway...\n");
1997 BIO_printf(sbio, ". STARTTLS\r\n");
1998 BIO_read(sbio, sbuf, BUFSIZZ);
1999 }
2000 break;
2001 case PROTO_FTP:
2002 {
2003 BIO *fbio = BIO_new(BIO_f_buffer());
2004 BIO_push(fbio, sbio);
2005 /* wait for multi-line response to end from FTP */
2006 do {
2007 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2008 }
2009 while (mbuf_len > 3 && mbuf[3] == '-');
2010 (void)BIO_flush(fbio);
2011 BIO_pop(fbio);
2012 BIO_free(fbio);
2013 BIO_printf(sbio, "AUTH TLS\r\n");
2014 BIO_read(sbio, sbuf, BUFSIZZ);
2015 }
2016 break;
2017 case PROTO_XMPP:
2018 case PROTO_XMPP_SERVER:
2019 {
2020 int seen = 0;
2021 BIO_printf(sbio, "<stream:stream "
2022 "xmlns:stream='http://etherx.jabber.org/streams' "
2023 "xmlns='jabber:%s' to='%s' version='1.0'>",
2024 starttls_proto == PROTO_XMPP ? "client" : "server",
2025 xmpphost ? xmpphost : host);
2026 seen = BIO_read(sbio, mbuf, BUFSIZZ);
2027 mbuf[seen] = 0;
2028 while (!strstr
2029 (mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")
2030 && !strstr(mbuf,
2031 "<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\""))
2032 {
2033 seen = BIO_read(sbio, mbuf, BUFSIZZ);
2034
2035 if (seen <= 0)
2036 goto shut;
2037
2038 mbuf[seen] = 0;
2039 }
2040 BIO_printf(sbio,
2041 "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
2042 seen = BIO_read(sbio, sbuf, BUFSIZZ);
2043 sbuf[seen] = 0;
2044 if (!strstr(sbuf, "<proceed"))
2045 goto shut;
2046 mbuf[0] = 0;
2047 }
2048 break;
2049 case PROTO_TELNET:
2050 {
2051 static const unsigned char tls_do[] = {
2052 /* IAC DO START_TLS */
2053 255, 253, 46
2054 };
2055 static const unsigned char tls_will[] = {
2056 /* IAC WILL START_TLS */
2057 255, 251, 46
2058 };
2059 static const unsigned char tls_follows[] = {
2060 /* IAC SB START_TLS FOLLOWS IAC SE */
2061 255, 250, 46, 1, 255, 240
2062 };
2063 int bytes;
2064
2065 /* Telnet server should demand we issue START_TLS */
2066 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
2067 if (bytes != 3 || memcmp(mbuf, tls_do, 3) != 0)
2068 goto shut;
2069 /* Agree to issue START_TLS and send the FOLLOWS sub-command */
2070 BIO_write(sbio, tls_will, 3);
2071 BIO_write(sbio, tls_follows, 6);
2072 (void)BIO_flush(sbio);
2073 /* Telnet server also sent the FOLLOWS sub-command */
2074 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
2075 if (bytes != 6 || memcmp(mbuf, tls_follows, 6) != 0)
2076 goto shut;
2077 }
2078 break;
2079 case PROTO_CONNECT:
2080 {
2081 int foundit = 0;
2082 BIO *fbio = BIO_new(BIO_f_buffer());
2083
2084 BIO_push(fbio, sbio);
2085 BIO_printf(fbio, "CONNECT %s HTTP/1.0\r\n\r\n", connectstr);
2086 (void)BIO_flush(fbio);
2087 /* wait for multi-line response to end CONNECT response */
2088 do {
2089 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2090 if (strstr(mbuf, "200") != NULL
2091 && strstr(mbuf, "established") != NULL)
2092 foundit++;
2093 } while (mbuf_len > 3 && foundit == 0);
2094 (void)BIO_flush(fbio);
2095 BIO_pop(fbio);
2096 BIO_free(fbio);
2097 if (!foundit) {
2098 BIO_printf(bio_err, "%s: HTTP CONNECT failed\n", prog);
2099 goto shut;
2100 }
2101 }
2102 break;
2103 case PROTO_IRC:
2104 {
2105 int numeric;
2106 BIO *fbio = BIO_new(BIO_f_buffer());
2107
2108 BIO_push(fbio, sbio);
2109 BIO_printf(fbio, "STARTTLS\r\n");
2110 (void)BIO_flush(fbio);
2111 width = SSL_get_fd(con) + 1;
2112
2113 do {
2114 numeric = 0;
2115
2116 FD_ZERO(&readfds);
2117 openssl_fdset(SSL_get_fd(con), &readfds);
2118 timeout.tv_sec = S_CLIENT_IRC_READ_TIMEOUT;
2119 timeout.tv_usec = 0;
2120 /*
2121 * If the IRCd doesn't respond within
2122 * S_CLIENT_IRC_READ_TIMEOUT seconds, assume
2123 * it doesn't support STARTTLS. Many IRCds
2124 * will not give _any_ sort of response to a
2125 * STARTTLS command when it's not supported.
2126 */
2127 if (!BIO_get_buffer_num_lines(fbio)
2128 && !BIO_pending(fbio)
2129 && !BIO_pending(sbio)
2130 && select(width, (void *)&readfds, NULL, NULL,
2131 &timeout) < 1) {
2132 BIO_printf(bio_err,
2133 "Timeout waiting for response (%d seconds).\n",
2134 S_CLIENT_IRC_READ_TIMEOUT);
2135 break;
2136 }
2137
2138 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2139 if (mbuf_len < 1 || sscanf(mbuf, "%*s %d", &numeric) != 1)
2140 break;
2141 /* :example.net 451 STARTTLS :You have not registered */
2142 /* :example.net 421 STARTTLS :Unknown command */
2143 if ((numeric == 451 || numeric == 421)
2144 && strstr(mbuf, "STARTTLS") != NULL) {
2145 BIO_printf(bio_err, "STARTTLS not supported: %s", mbuf);
2146 break;
2147 }
2148 if (numeric == 691) {
2149 BIO_printf(bio_err, "STARTTLS negotiation failed: ");
2150 ERR_print_errors(bio_err);
2151 break;
2152 }
2153 } while (numeric != 670);
2154
2155 (void)BIO_flush(fbio);
2156 BIO_pop(fbio);
2157 BIO_free(fbio);
2158 if (numeric != 670) {
2159 BIO_printf(bio_err, "Server does not support STARTTLS.\n");
2160 ret = 1;
2161 goto shut;
2162 }
2163 }
2164 }
2165
2166 for (;;) {
2167 FD_ZERO(&readfds);
2168 FD_ZERO(&writefds);
2169
2170 if ((SSL_version(con) == DTLS1_VERSION) &&
2171 DTLSv1_get_timeout(con, &timeout))
2172 timeoutp = &timeout;
2173 else
2174 timeoutp = NULL;
2175
2176 if (SSL_in_init(con) && !SSL_total_renegotiations(con)) {
2177 in_init = 1;
2178 tty_on = 0;
2179 } else {
2180 tty_on = 1;
2181 if (in_init) {
2182 in_init = 0;
2183
2184 if (servername != NULL && !SSL_session_reused(con)) {
2185 BIO_printf(bio_c_out,
2186 "Server did %sacknowledge servername extension.\n",
2187 tlsextcbp.ack ? "" : "not ");
2188 }
2189
2190 if (sess_out) {
2191 BIO *stmp = BIO_new_file(sess_out, "w");
2192 if (stmp) {
2193 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));
2194 BIO_free(stmp);
2195 } else
2196 BIO_printf(bio_err, "Error writing session file %s\n",
2197 sess_out);
2198 }
2199 if (c_brief) {
2200 BIO_puts(bio_err, "CONNECTION ESTABLISHED\n");
2201 print_ssl_summary(con);
2202 }
2203
2204 print_stuff(bio_c_out, con, full_log);
2205 if (full_log > 0)
2206 full_log--;
2207
2208 if (starttls_proto) {
2209 BIO_write(bio_err, mbuf, mbuf_len);
2210 /* We don't need to know any more */
2211 if (!reconnect)
2212 starttls_proto = PROTO_OFF;
2213 }
2214
2215 if (reconnect) {
2216 reconnect--;
2217 BIO_printf(bio_c_out,
2218 "drop connection and then reconnect\n");
2219 do_ssl_shutdown(con);
2220 SSL_set_connect_state(con);
2221 BIO_closesocket(SSL_get_fd(con));
2222 goto re_start;
2223 }
2224 }
2225 }
2226
2227 ssl_pending = read_ssl && SSL_has_pending(con);
2228
2229 if (!ssl_pending) {
2230 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
2231 if (tty_on) {
2232 if (read_tty)
2233 openssl_fdset(fileno(stdin), &readfds);
2234 if (write_tty)
2235 openssl_fdset(fileno(stdout), &writefds);
2236 }
2237 if (read_ssl)
2238 openssl_fdset(SSL_get_fd(con), &readfds);
2239 if (write_ssl)
2240 openssl_fdset(SSL_get_fd(con), &writefds);
2241 #else
2242 if (!tty_on || !write_tty) {
2243 if (read_ssl)
2244 openssl_fdset(SSL_get_fd(con), &readfds);
2245 if (write_ssl)
2246 openssl_fdset(SSL_get_fd(con), &writefds);
2247 }
2248 #endif
2249
2250 /*
2251 * Note: under VMS with SOCKETSHR the second parameter is
2252 * currently of type (int *) whereas under other systems it is
2253 * (void *) if you don't have a cast it will choke the compiler:
2254 * if you do have a cast then you can either go for (int *) or
2255 * (void *).
2256 */
2257 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2258 /*
2259 * Under Windows/DOS we make the assumption that we can always
2260 * write to the tty: therefore if we need to write to the tty we
2261 * just fall through. Otherwise we timeout the select every
2262 * second and see if there are any keypresses. Note: this is a
2263 * hack, in a proper Windows application we wouldn't do this.
2264 */
2265 i = 0;
2266 if (!write_tty) {
2267 if (read_tty) {
2268 tv.tv_sec = 1;
2269 tv.tv_usec = 0;
2270 i = select(width, (void *)&readfds, (void *)&writefds,
2271 NULL, &tv);
2272 # if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
2273 if (!i && (!_kbhit() || !read_tty))
2274 continue;
2275 # else
2276 if (!i && (!((_kbhit())
2277 || (WAIT_OBJECT_0 ==
2278 WaitForSingleObject(GetStdHandle
2279 (STD_INPUT_HANDLE),
2280 0)))
2281 || !read_tty))
2282 continue;
2283 # endif
2284 } else
2285 i = select(width, (void *)&readfds, (void *)&writefds,
2286 NULL, timeoutp);
2287 }
2288 #else
2289 i = select(width, (void *)&readfds, (void *)&writefds,
2290 NULL, timeoutp);
2291 #endif
2292 if (i < 0) {
2293 BIO_printf(bio_err, "bad select %d\n",
2294 get_last_socket_error());
2295 goto shut;
2296 /* goto end; */
2297 }
2298 }
2299
2300 if ((SSL_version(con) == DTLS1_VERSION)
2301 && DTLSv1_handle_timeout(con) > 0) {
2302 BIO_printf(bio_err, "TIMEOUT occurred\n");
2303 }
2304
2305 if (!ssl_pending && FD_ISSET(SSL_get_fd(con), &writefds)) {
2306 k = SSL_write(con, &(cbuf[cbuf_off]), (unsigned int)cbuf_len);
2307 switch (SSL_get_error(con, k)) {
2308 case SSL_ERROR_NONE:
2309 cbuf_off += k;
2310 cbuf_len -= k;
2311 if (k <= 0)
2312 goto end;
2313 /* we have done a write(con,NULL,0); */
2314 if (cbuf_len <= 0) {
2315 read_tty = 1;
2316 write_ssl = 0;
2317 } else { /* if (cbuf_len > 0) */
2318
2319 read_tty = 0;
2320 write_ssl = 1;
2321 }
2322 break;
2323 case SSL_ERROR_WANT_WRITE:
2324 BIO_printf(bio_c_out, "write W BLOCK\n");
2325 write_ssl = 1;
2326 read_tty = 0;
2327 break;
2328 case SSL_ERROR_WANT_ASYNC:
2329 BIO_printf(bio_c_out, "write A BLOCK\n");
2330 wait_for_async(con);
2331 write_ssl = 1;
2332 read_tty = 0;
2333 break;
2334 case SSL_ERROR_WANT_READ:
2335 BIO_printf(bio_c_out, "write R BLOCK\n");
2336 write_tty = 0;
2337 read_ssl = 1;
2338 write_ssl = 0;
2339 break;
2340 case SSL_ERROR_WANT_X509_LOOKUP:
2341 BIO_printf(bio_c_out, "write X BLOCK\n");
2342 break;
2343 case SSL_ERROR_ZERO_RETURN:
2344 if (cbuf_len != 0) {
2345 BIO_printf(bio_c_out, "shutdown\n");
2346 ret = 0;
2347 goto shut;
2348 } else {
2349 read_tty = 1;
2350 write_ssl = 0;
2351 break;
2352 }
2353
2354 case SSL_ERROR_SYSCALL:
2355 if ((k != 0) || (cbuf_len != 0)) {
2356 BIO_printf(bio_err, "write:errno=%d\n",
2357 get_last_socket_error());
2358 goto shut;
2359 } else {
2360 read_tty = 1;
2361 write_ssl = 0;
2362 }
2363 break;
2364 case SSL_ERROR_WANT_ASYNC_JOB:
2365 /* This shouldn't ever happen in s_client - treat as an error */
2366 case SSL_ERROR_SSL:
2367 ERR_print_errors(bio_err);
2368 goto shut;
2369 }
2370 }
2371 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2372 /* Assume Windows/DOS/BeOS can always write */
2373 else if (!ssl_pending && write_tty)
2374 #else
2375 else if (!ssl_pending && FD_ISSET(fileno(stdout), &writefds))
2376 #endif
2377 {
2378 #ifdef CHARSET_EBCDIC
2379 ascii2ebcdic(&(sbuf[sbuf_off]), &(sbuf[sbuf_off]), sbuf_len);
2380 #endif
2381 i = raw_write_stdout(&(sbuf[sbuf_off]), sbuf_len);
2382
2383 if (i <= 0) {
2384 BIO_printf(bio_c_out, "DONE\n");
2385 ret = 0;
2386 goto shut;
2387 /* goto end; */
2388 }
2389
2390 sbuf_len -= i;;
2391 sbuf_off += i;
2392 if (sbuf_len <= 0) {
2393 read_ssl = 1;
2394 write_tty = 0;
2395 }
2396 } else if (ssl_pending || FD_ISSET(SSL_get_fd(con), &readfds)) {
2397 #ifdef RENEG
2398 {
2399 static int iiii;
2400 if (++iiii == 52) {
2401 SSL_renegotiate(con);
2402 iiii = 0;
2403 }
2404 }
2405 #endif
2406 k = SSL_read(con, sbuf, 1024 /* BUFSIZZ */ );
2407
2408 switch (SSL_get_error(con, k)) {
2409 case SSL_ERROR_NONE:
2410 if (k <= 0)
2411 goto end;
2412 sbuf_off = 0;
2413 sbuf_len = k;
2414
2415 read_ssl = 0;
2416 write_tty = 1;
2417 break;
2418 case SSL_ERROR_WANT_ASYNC:
2419 BIO_printf(bio_c_out, "read A BLOCK\n");
2420 wait_for_async(con);
2421 write_tty = 0;
2422 read_ssl = 1;
2423 if ((read_tty == 0) && (write_ssl == 0))
2424 write_ssl = 1;
2425 break;
2426 case SSL_ERROR_WANT_WRITE:
2427 BIO_printf(bio_c_out, "read W BLOCK\n");
2428 write_ssl = 1;
2429 read_tty = 0;
2430 break;
2431 case SSL_ERROR_WANT_READ:
2432 BIO_printf(bio_c_out, "read R BLOCK\n");
2433 write_tty = 0;
2434 read_ssl = 1;
2435 if ((read_tty == 0) && (write_ssl == 0))
2436 write_ssl = 1;
2437 break;
2438 case SSL_ERROR_WANT_X509_LOOKUP:
2439 BIO_printf(bio_c_out, "read X BLOCK\n");
2440 break;
2441 case SSL_ERROR_SYSCALL:
2442 ret = get_last_socket_error();
2443 if (c_brief)
2444 BIO_puts(bio_err, "CONNECTION CLOSED BY SERVER\n");
2445 else
2446 BIO_printf(bio_err, "read:errno=%d\n", ret);
2447 goto shut;
2448 case SSL_ERROR_ZERO_RETURN:
2449 BIO_printf(bio_c_out, "closed\n");
2450 ret = 0;
2451 goto shut;
2452 case SSL_ERROR_WANT_ASYNC_JOB:
2453 /* This shouldn't ever happen in s_client. Treat as an error */
2454 case SSL_ERROR_SSL:
2455 ERR_print_errors(bio_err);
2456 goto shut;
2457 /* break; */
2458 }
2459 }
2460 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2461 # if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
2462 else if (_kbhit())
2463 # else
2464 else if ((_kbhit())
2465 || (WAIT_OBJECT_0 ==
2466 WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
2467 # endif
2468 #else
2469 else if (FD_ISSET(fileno(stdin), &readfds))
2470 #endif
2471 {
2472 if (crlf) {
2473 int j, lf_num;
2474
2475 i = raw_read_stdin(cbuf, BUFSIZZ / 2);
2476 lf_num = 0;
2477 /* both loops are skipped when i <= 0 */
2478 for (j = 0; j < i; j++)
2479 if (cbuf[j] == '\n')
2480 lf_num++;
2481 for (j = i - 1; j >= 0; j--) {
2482 cbuf[j + lf_num] = cbuf[j];
2483 if (cbuf[j] == '\n') {
2484 lf_num--;
2485 i++;
2486 cbuf[j + lf_num] = '\r';
2487 }
2488 }
2489 assert(lf_num == 0);
2490 } else
2491 i = raw_read_stdin(cbuf, BUFSIZZ);
2492
2493 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q' && cmdletters))) {
2494 BIO_printf(bio_err, "DONE\n");
2495 ret = 0;
2496 goto shut;
2497 }
2498
2499 if ((!c_ign_eof) && (cbuf[0] == 'R' && cmdletters)) {
2500 BIO_printf(bio_err, "RENEGOTIATING\n");
2501 SSL_renegotiate(con);
2502 cbuf_len = 0;
2503 }
2504 #ifndef OPENSSL_NO_HEARTBEATS
2505 else if ((!c_ign_eof) && (cbuf[0] == 'B' && cmdletters)) {
2506 BIO_printf(bio_err, "HEARTBEATING\n");
2507 SSL_heartbeat(con);
2508 cbuf_len = 0;
2509 }
2510 #endif
2511 else {
2512 cbuf_len = i;
2513 cbuf_off = 0;
2514 #ifdef CHARSET_EBCDIC
2515 ebcdic2ascii(cbuf, cbuf, i);
2516 #endif
2517 }
2518
2519 write_ssl = 1;
2520 read_tty = 0;
2521 }
2522 }
2523
2524 ret = 0;
2525 shut:
2526 if (in_init)
2527 print_stuff(bio_c_out, con, full_log);
2528 do_ssl_shutdown(con);
2529 BIO_closesocket(SSL_get_fd(con));
2530 end:
2531 if (con != NULL) {
2532 if (prexit != 0)
2533 print_stuff(bio_c_out, con, 1);
2534 SSL_free(con);
2535 }
2536 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2537 OPENSSL_free(next_proto.data);
2538 #endif
2539 SSL_CTX_free(ctx);
2540 X509_free(cert);
2541 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2542 EVP_PKEY_free(key);
2543 sk_X509_pop_free(chain, X509_free);
2544 OPENSSL_free(pass);
2545 #ifndef OPENSSL_NO_SRP
2546 OPENSSL_free(srp_arg.srppassin);
2547 #endif
2548 OPENSSL_free(host);
2549 OPENSSL_free(port);
2550 X509_VERIFY_PARAM_free(vpm);
2551 ssl_excert_free(exc);
2552 sk_OPENSSL_STRING_free(ssl_args);
2553 sk_OPENSSL_STRING_free(dane_tlsa_rrset);
2554 SSL_CONF_CTX_free(cctx);
2555 OPENSSL_clear_free(cbuf, BUFSIZZ);
2556 OPENSSL_clear_free(sbuf, BUFSIZZ);
2557 OPENSSL_clear_free(mbuf, BUFSIZZ);
2558 BIO_free(bio_c_out);
2559 bio_c_out = NULL;
2560 BIO_free(bio_c_msg);
2561 bio_c_msg = NULL;
2562 return (ret);
2563 }
2564
2565 static void print_stuff(BIO *bio, SSL *s, int full)
2566 {
2567 X509 *peer = NULL;
2568 char buf[BUFSIZ];
2569 STACK_OF(X509) *sk;
2570 STACK_OF(X509_NAME) *sk2;
2571 const SSL_CIPHER *c;
2572 X509_NAME *xn;
2573 int i;
2574 #ifndef OPENSSL_NO_COMP
2575 const COMP_METHOD *comp, *expansion;
2576 #endif
2577 unsigned char *exportedkeymat;
2578 #ifndef OPENSSL_NO_CT
2579 const SSL_CTX *ctx = SSL_get_SSL_CTX(s);
2580 #endif
2581
2582 if (full) {
2583 int got_a_chain = 0;
2584
2585 sk = SSL_get_peer_cert_chain(s);
2586 if (sk != NULL) {
2587 got_a_chain = 1;
2588
2589 BIO_printf(bio, "---\nCertificate chain\n");
2590 for (i = 0; i < sk_X509_num(sk); i++) {
2591 X509_NAME_oneline(X509_get_subject_name(sk_X509_value(sk, i)),
2592 buf, sizeof buf);
2593 BIO_printf(bio, "%2d s:%s\n", i, buf);
2594 X509_NAME_oneline(X509_get_issuer_name(sk_X509_value(sk, i)),
2595 buf, sizeof buf);
2596 BIO_printf(bio, " i:%s\n", buf);
2597 if (c_showcerts)
2598 PEM_write_bio_X509(bio, sk_X509_value(sk, i));
2599 }
2600 }
2601
2602 BIO_printf(bio, "---\n");
2603 peer = SSL_get_peer_certificate(s);
2604 if (peer != NULL) {
2605 BIO_printf(bio, "Server certificate\n");
2606
2607 /* Redundant if we showed the whole chain */
2608 if (!(c_showcerts && got_a_chain))
2609 PEM_write_bio_X509(bio, peer);
2610 X509_NAME_oneline(X509_get_subject_name(peer), buf, sizeof buf);
2611 BIO_printf(bio, "subject=%s\n", buf);
2612 X509_NAME_oneline(X509_get_issuer_name(peer), buf, sizeof buf);
2613 BIO_printf(bio, "issuer=%s\n", buf);
2614 } else
2615 BIO_printf(bio, "no peer certificate available\n");
2616
2617 sk2 = SSL_get_client_CA_list(s);
2618 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0)) {
2619 BIO_printf(bio, "---\nAcceptable client certificate CA names\n");
2620 for (i = 0; i < sk_X509_NAME_num(sk2); i++) {
2621 xn = sk_X509_NAME_value(sk2, i);
2622 X509_NAME_oneline(xn, buf, sizeof(buf));
2623 BIO_write(bio, buf, strlen(buf));
2624 BIO_write(bio, "\n", 1);
2625 }
2626 } else {
2627 BIO_printf(bio, "---\nNo client certificate CA names sent\n");
2628 }
2629
2630 ssl_print_sigalgs(bio, s);
2631 ssl_print_tmp_key(bio, s);
2632
2633 #ifndef OPENSSL_NO_CT
2634 /*
2635 * When the SSL session is anonymous, or resumed via an abbreviated
2636 * handshake, no SCTs are provided as part of the handshake. While in
2637 * a resumed session SCTs may be present in the session's certificate,
2638 * no callbacks are invoked to revalidate these, and in any case that
2639 * set of SCTs may be incomplete. Thus it makes little sense to
2640 * attempt to display SCTs from a resumed session's certificate, and of
2641 * course none are associated with an anonymous peer.
2642 */
2643 if (peer != NULL && !SSL_session_reused(s) && SSL_ct_is_enabled(s)) {
2644 const STACK_OF(SCT) *scts = SSL_get0_peer_scts(s);
2645 int sct_count = scts != NULL ? sk_SCT_num(scts) : 0;
2646
2647 BIO_printf(bio, "---\nSCTs present (%i)\n", sct_count);
2648 if (sct_count > 0) {
2649 const CTLOG_STORE *log_store = SSL_CTX_get0_ctlog_store(ctx);
2650
2651 BIO_printf(bio, "---\n");
2652 for (i = 0; i < sct_count; ++i) {
2653 SCT *sct = sk_SCT_value(scts, i);
2654
2655 BIO_printf(bio, "SCT validation status: %s\n",
2656 SCT_validation_status_string(sct));
2657 SCT_print(sct, bio, 0, log_store);
2658 if (i < sct_count - 1)
2659 BIO_printf(bio, "\n---\n");
2660 }
2661 BIO_printf(bio, "\n");
2662 }
2663 }
2664 #endif
2665
2666 BIO_printf(bio,
2667 "---\nSSL handshake has read %"PRIu64" bytes and written %"PRIu64" bytes\n",
2668 BIO_number_read(SSL_get_rbio(s)),
2669 BIO_number_written(SSL_get_wbio(s)));
2670 }
2671 print_verify_detail(s, bio);
2672 BIO_printf(bio, (SSL_session_reused(s) ? "---\nReused, " : "---\nNew, "));
2673 c = SSL_get_current_cipher(s);
2674 BIO_printf(bio, "%s, Cipher is %s\n",
2675 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
2676 if (peer != NULL) {
2677 EVP_PKEY *pktmp;
2678 pktmp = X509_get0_pubkey(peer);
2679 BIO_printf(bio, "Server public key is %d bit\n",
2680 EVP_PKEY_bits(pktmp));
2681 }
2682 BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
2683 SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
2684 #ifndef OPENSSL_NO_COMP
2685 comp = SSL_get_current_compression(s);
2686 expansion = SSL_get_current_expansion(s);
2687 BIO_printf(bio, "Compression: %s\n",
2688 comp ? SSL_COMP_get_name(comp) : "NONE");
2689 BIO_printf(bio, "Expansion: %s\n",
2690 expansion ? SSL_COMP_get_name(expansion) : "NONE");
2691 #endif
2692
2693 #ifdef SSL_DEBUG
2694 {
2695 /* Print out local port of connection: useful for debugging */
2696 int sock;
2697 struct sockaddr_in ladd;
2698 socklen_t ladd_size = sizeof(ladd);
2699 sock = SSL_get_fd(s);
2700 getsockname(sock, (struct sockaddr *)&ladd, &ladd_size);
2701 BIO_printf(bio_c_out, "LOCAL PORT is %u\n", ntohs(ladd.sin_port));
2702 }
2703 #endif
2704
2705 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2706 if (next_proto.status != -1) {
2707 const unsigned char *proto;
2708 unsigned int proto_len;
2709 SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
2710 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
2711 BIO_write(bio, proto, proto_len);
2712 BIO_write(bio, "\n", 1);
2713 }
2714 #endif
2715 {
2716 const unsigned char *proto;
2717 unsigned int proto_len;
2718 SSL_get0_alpn_selected(s, &proto, &proto_len);
2719 if (proto_len > 0) {
2720 BIO_printf(bio, "ALPN protocol: ");
2721 BIO_write(bio, proto, proto_len);
2722 BIO_write(bio, "\n", 1);
2723 } else
2724 BIO_printf(bio, "No ALPN negotiated\n");
2725 }
2726
2727 #ifndef OPENSSL_NO_SRTP
2728 {
2729 SRTP_PROTECTION_PROFILE *srtp_profile =
2730 SSL_get_selected_srtp_profile(s);
2731
2732 if (srtp_profile)
2733 BIO_printf(bio, "SRTP Extension negotiated, profile=%s\n",
2734 srtp_profile->name);
2735 }
2736 #endif
2737
2738 SSL_SESSION_print(bio, SSL_get_session(s));
2739 if (keymatexportlabel != NULL) {
2740 BIO_printf(bio, "Keying material exporter:\n");
2741 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel);
2742 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen);
2743 exportedkeymat = app_malloc(keymatexportlen, "export key");
2744 if (!SSL_export_keying_material(s, exportedkeymat,
2745 keymatexportlen,
2746 keymatexportlabel,
2747 strlen(keymatexportlabel),
2748 NULL, 0, 0)) {
2749 BIO_printf(bio, " Error\n");
2750 } else {
2751 BIO_printf(bio, " Keying material: ");
2752 for (i = 0; i < keymatexportlen; i++)
2753 BIO_printf(bio, "%02X", exportedkeymat[i]);
2754 BIO_printf(bio, "\n");
2755 }
2756 OPENSSL_free(exportedkeymat);
2757 }
2758 BIO_printf(bio, "---\n");
2759 X509_free(peer);
2760 /* flush, or debugging output gets mixed with http response */
2761 (void)BIO_flush(bio);
2762 }
2763
2764 # ifndef OPENSSL_NO_OCSP
2765 static int ocsp_resp_cb(SSL *s, void *arg)
2766 {
2767 const unsigned char *p;
2768 int len;
2769 OCSP_RESPONSE *rsp;
2770 len = SSL_get_tlsext_status_ocsp_resp(s, &p);
2771 BIO_puts(arg, "OCSP response: ");
2772 if (!p) {
2773 BIO_puts(arg, "no response sent\n");
2774 return 1;
2775 }
2776 rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
2777 if (!rsp) {
2778 BIO_puts(arg, "response parse error\n");
2779 BIO_dump_indent(arg, (char *)p, len, 4);
2780 return 0;
2781 }
2782 BIO_puts(arg, "\n======================================\n");
2783 OCSP_RESPONSE_print(arg, rsp, 0);
2784 BIO_puts(arg, "======================================\n");
2785 OCSP_RESPONSE_free(rsp);
2786 return 1;
2787 }
2788 # endif
2789
2790 #endif
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