]> git.ipfire.org Git - thirdparty/openssl.git/blob - apps/s_client.c
projects / thirdparty / openssl.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
blame | history | raw | HEAD
Fix intermittent windows failures in TLSProxy tests
[thirdparty/openssl.git] / apps / s_client.c
1 /*
2 * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the OpenSSL license (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10 /* ====================================================================
11 * Copyright 2005 Nokia. All rights reserved.
12 *
13 * The portions of the attached software ("Contribution") is developed by
14 * Nokia Corporation and is licensed pursuant to the OpenSSL open source
15 * license.
16 *
17 * The Contribution, originally written by Mika Kousa and Pasi Eronen of
18 * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
19 * support (see RFC 4279) to OpenSSL.
20 *
21 * No patent licenses or other rights except those expressly stated in
22 * the OpenSSL open source license shall be deemed granted or received
23 * expressly, by implication, estoppel, or otherwise.
24 *
25 * No assurances are provided by Nokia that the Contribution does not
26 * infringe the patent or other intellectual property rights of any third
27 * party or that the license provides you with all the necessary rights
28 * to make use of the Contribution.
29 *
30 * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
31 * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
32 * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
33 * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
34 * OTHERWISE.
35 */
36
37 #include <ctype.h>
38 #include <stdio.h>
39 #include <stdlib.h>
40 #include <string.h>
41 #include <errno.h>
42 #include <openssl/e_os2.h>
43
44 #ifndef OPENSSL_NO_SOCK
45
46 /*
47 * With IPv6, it looks like Digital has mixed up the proper order of
48 * recursive header file inclusion, resulting in the compiler complaining
49 * that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which is
50 * needed to have fileno() declared correctly... So let's define u_int
51 */
52 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
53 # define __U_INT
54 typedef unsigned int u_int;
55 #endif
56
57 #define USE_SOCKETS
58 #include "apps.h"
59 #include <openssl/x509.h>
60 #include <openssl/ssl.h>
61 #include <openssl/err.h>
62 #include <openssl/pem.h>
63 #include <openssl/rand.h>
64 #include <openssl/ocsp.h>
65 #include <openssl/bn.h>
66 #include <openssl/async.h>
67 #ifndef OPENSSL_NO_SRP
68 # include <openssl/srp.h>
69 #endif
70 #ifndef OPENSSL_NO_CT
71 # include <openssl/ct.h>
72 #endif
73 #include "s_apps.h"
74 #include "timeouts.h"
75
76 #if defined(__has_feature)
77 # if __has_feature(memory_sanitizer)
78 # include <sanitizer/msan_interface.h>
79 # endif
80 #endif
81
82 #undef BUFSIZZ
83 #define BUFSIZZ 1024*8
84 #define S_CLIENT_IRC_READ_TIMEOUT 8
85
86 extern int verify_depth;
87 extern int verify_error;
88 extern int verify_return_error;
89 extern int verify_quiet;
90
91 static char *prog;
92 static int c_nbio = 0;
93 static int c_tlsextdebug = 0;
94 static int c_status_req = 0;
95 static int c_debug = 0;
96 static int c_msg = 0;
97 static int c_showcerts = 0;
98 static char *keymatexportlabel = NULL;
99 static int keymatexportlen = 20;
100 static BIO *bio_c_out = NULL;
101 static BIO *bio_c_msg = NULL;
102 static int c_quiet = 0;
103 static int c_ign_eof = 0;
104 static int c_brief = 0;
105
106 static void print_stuff(BIO *berr, SSL *con, int full);
107 #ifndef OPENSSL_NO_OCSP
108 static int ocsp_resp_cb(SSL *s, void *arg);
109 #endif
110
111 static int saved_errno;
112
113 static void save_errno(void)
114 {
115 saved_errno = errno;
116 errno = 0;
117 }
118
119 static int restore_errno(void)
120 {
121 int ret = errno;
122 errno = saved_errno;
123 return ret;
124 }
125
126 static void do_ssl_shutdown(SSL *ssl)
127 {
128 int ret;
129
130 do {
131 /* We only do unidirectional shutdown */
132 ret = SSL_shutdown(ssl);
133 if (ret < 0) {
134 switch (SSL_get_error(ssl, ret)) {
135 case SSL_ERROR_WANT_READ:
136 case SSL_ERROR_WANT_WRITE:
137 case SSL_ERROR_WANT_ASYNC:
138 case SSL_ERROR_WANT_ASYNC_JOB:
139 /* We just do busy waiting. Nothing clever */
140 continue;
141 }
142 ret = 0;
143 }
144 } while (ret < 0);
145 }
146
147
148 #ifndef OPENSSL_NO_PSK
149 /* Default PSK identity and key */
150 static char *psk_identity = "Client_identity";
151 /*
152 * char *psk_key=NULL; by default PSK is not used
153 */
154
155 static unsigned int psk_client_cb(SSL *ssl, const char *hint, char *identity,
156 unsigned int max_identity_len,
157 unsigned char *psk,
158 unsigned int max_psk_len)
159 {
160 unsigned int psk_len = 0;
161 int ret;
162 BIGNUM *bn = NULL;
163
164 if (c_debug)
165 BIO_printf(bio_c_out, "psk_client_cb\n");
166 if (!hint) {
167 /* no ServerKeyExchange message */
168 if (c_debug)
169 BIO_printf(bio_c_out,
170 "NULL received PSK identity hint, continuing anyway\n");
171 } else if (c_debug)
172 BIO_printf(bio_c_out, "Received PSK identity hint '%s'\n", hint);
173
174 /*
175 * lookup PSK identity and PSK key based on the given identity hint here
176 */
177 ret = BIO_snprintf(identity, max_identity_len, "%s", psk_identity);
178 if (ret < 0 || (unsigned int)ret > max_identity_len)
179 goto out_err;
180 if (c_debug)
181 BIO_printf(bio_c_out, "created identity '%s' len=%d\n", identity,
182 ret);
183 ret = BN_hex2bn(&bn, psk_key);
184 if (!ret) {
185 BIO_printf(bio_err, "Could not convert PSK key '%s' to BIGNUM\n",
186 psk_key);
187 BN_free(bn);
188 return 0;
189 }
190
191 if ((unsigned int)BN_num_bytes(bn) > max_psk_len) {
192 BIO_printf(bio_err,
193 "psk buffer of callback is too small (%d) for key (%d)\n",
194 max_psk_len, BN_num_bytes(bn));
195 BN_free(bn);
196 return 0;
197 }
198
199 psk_len = BN_bn2bin(bn, psk);
200 BN_free(bn);
201 if (psk_len == 0)
202 goto out_err;
203
204 if (c_debug)
205 BIO_printf(bio_c_out, "created PSK len=%d\n", psk_len);
206
207 return psk_len;
208 out_err:
209 if (c_debug)
210 BIO_printf(bio_err, "Error in PSK client callback\n");
211 return 0;
212 }
213 #endif
214
215 /* This is a context that we pass to callbacks */
216 typedef struct tlsextctx_st {
217 BIO *biodebug;
218 int ack;
219 } tlsextctx;
220
221 static int ssl_servername_cb(SSL *s, int *ad, void *arg)
222 {
223 tlsextctx *p = (tlsextctx *) arg;
224 const char *hn = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
225 if (SSL_get_servername_type(s) != -1)
226 p->ack = !SSL_session_reused(s) && hn != NULL;
227 else
228 BIO_printf(bio_err, "Can't use SSL_get_servername\n");
229
230 return SSL_TLSEXT_ERR_OK;
231 }
232
233 #ifndef OPENSSL_NO_SRP
234
235 /* This is a context that we pass to all callbacks */
236 typedef struct srp_arg_st {
237 char *srppassin;
238 char *srplogin;
239 int msg; /* copy from c_msg */
240 int debug; /* copy from c_debug */
241 int amp; /* allow more groups */
242 int strength; /* minimal size for N */
243 } SRP_ARG;
244
245 # define SRP_NUMBER_ITERATIONS_FOR_PRIME 64
246
247 static int srp_Verify_N_and_g(const BIGNUM *N, const BIGNUM *g)
248 {
249 BN_CTX *bn_ctx = BN_CTX_new();
250 BIGNUM *p = BN_new();
251 BIGNUM *r = BN_new();
252 int ret =
253 g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) &&
254 BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
255 p != NULL && BN_rshift1(p, N) &&
256 /* p = (N-1)/2 */
257 BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
258 r != NULL &&
259 /* verify g^((N-1)/2) == -1 (mod N) */
260 BN_mod_exp(r, g, p, N, bn_ctx) &&
261 BN_add_word(r, 1) && BN_cmp(r, N) == 0;
262
263 BN_free(r);
264 BN_free(p);
265 BN_CTX_free(bn_ctx);
266 return ret;
267 }
268
269 /*-
270 * This callback is used here for two purposes:
271 * - extended debugging
272 * - making some primality tests for unknown groups
273 * The callback is only called for a non default group.
274 *
275 * An application does not need the call back at all if
276 * only the standard groups are used. In real life situations,
277 * client and server already share well known groups,
278 * thus there is no need to verify them.
279 * Furthermore, in case that a server actually proposes a group that
280 * is not one of those defined in RFC 5054, it is more appropriate
281 * to add the group to a static list and then compare since
282 * primality tests are rather cpu consuming.
283 */
284
285 static int ssl_srp_verify_param_cb(SSL *s, void *arg)
286 {
287 SRP_ARG *srp_arg = (SRP_ARG *)arg;
288 BIGNUM *N = NULL, *g = NULL;
289
290 if (((N = SSL_get_srp_N(s)) == NULL) || ((g = SSL_get_srp_g(s)) == NULL))
291 return 0;
292 if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1) {
293 BIO_printf(bio_err, "SRP parameters:\n");
294 BIO_printf(bio_err, "\tN=");
295 BN_print(bio_err, N);
296 BIO_printf(bio_err, "\n\tg=");
297 BN_print(bio_err, g);
298 BIO_printf(bio_err, "\n");
299 }
300
301 if (SRP_check_known_gN_param(g, N))
302 return 1;
303
304 if (srp_arg->amp == 1) {
305 if (srp_arg->debug)
306 BIO_printf(bio_err,
307 "SRP param N and g are not known params, going to check deeper.\n");
308
309 /*
310 * The srp_moregroups is a real debugging feature. Implementors
311 * should rather add the value to the known ones. The minimal size
312 * has already been tested.
313 */
314 if (BN_num_bits(g) <= BN_BITS && srp_Verify_N_and_g(N, g))
315 return 1;
316 }
317 BIO_printf(bio_err, "SRP param N and g rejected.\n");
318 return 0;
319 }
320
321 # define PWD_STRLEN 1024
322
323 static char *ssl_give_srp_client_pwd_cb(SSL *s, void *arg)
324 {
325 SRP_ARG *srp_arg = (SRP_ARG *)arg;
326 char *pass = app_malloc(PWD_STRLEN + 1, "SRP password buffer");
327 PW_CB_DATA cb_tmp;
328 int l;
329
330 cb_tmp.password = (char *)srp_arg->srppassin;
331 cb_tmp.prompt_info = "SRP user";
332 if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp)) < 0) {
333 BIO_printf(bio_err, "Can't read Password\n");
334 OPENSSL_free(pass);
335 return NULL;
336 }
337 *(pass + l) = '\0';
338
339 return pass;
340 }
341
342 #endif
343
344 static char *srtp_profiles = NULL;
345
346 #ifndef OPENSSL_NO_NEXTPROTONEG
347 /* This the context that we pass to next_proto_cb */
348 typedef struct tlsextnextprotoctx_st {
349 unsigned char *data;
350 size_t len;
351 int status;
352 } tlsextnextprotoctx;
353
354 static tlsextnextprotoctx next_proto;
355
356 static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen,
357 const unsigned char *in, unsigned int inlen,
358 void *arg)
359 {
360 tlsextnextprotoctx *ctx = arg;
361
362 if (!c_quiet) {
363 /* We can assume that |in| is syntactically valid. */
364 unsigned i;
365 BIO_printf(bio_c_out, "Protocols advertised by server: ");
366 for (i = 0; i < inlen;) {
367 if (i)
368 BIO_write(bio_c_out, ", ", 2);
369 BIO_write(bio_c_out, &in[i + 1], in[i]);
370 i += in[i] + 1;
371 }
372 BIO_write(bio_c_out, "\n", 1);
373 }
374
375 ctx->status =
376 SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len);
377 return SSL_TLSEXT_ERR_OK;
378 }
379 #endif /* ndef OPENSSL_NO_NEXTPROTONEG */
380
381 static int serverinfo_cli_parse_cb(SSL *s, unsigned int ext_type,
382 const unsigned char *in, size_t inlen,
383 int *al, void *arg)
384 {
385 char pem_name[100];
386 unsigned char ext_buf[4 + 65536];
387
388 /* Reconstruct the type/len fields prior to extension data */
389 ext_buf[0] = ext_type >> 8;
390 ext_buf[1] = ext_type & 0xFF;
391 ext_buf[2] = inlen >> 8;
392 ext_buf[3] = inlen & 0xFF;
393 memcpy(ext_buf + 4, in, inlen);
394
395 BIO_snprintf(pem_name, sizeof(pem_name), "SERVERINFO FOR EXTENSION %d",
396 ext_type);
397 PEM_write_bio(bio_c_out, pem_name, "", ext_buf, 4 + inlen);
398 return 1;
399 }
400
401 /*
402 * Hex decoder that tolerates optional whitespace. Returns number of bytes
403 * produced, advances inptr to end of input string.
404 */
405 static ossl_ssize_t hexdecode(const char **inptr, void *result)
406 {
407 unsigned char **out = (unsigned char **)result;
408 const char *in = *inptr;
409 unsigned char *ret = app_malloc(strlen(in)/2, "hexdecode");
410 unsigned char *cp = ret;
411 uint8_t byte;
412 int nibble = 0;
413
414 if (ret == NULL)
415 return -1;
416
417 for (byte = 0; *in; ++in) {
418 int x;
419
420 if (isspace(_UC(*in)))
421 continue;
422 x = OPENSSL_hexchar2int(*in);
423 if (x < 0) {
424 OPENSSL_free(ret);
425 return 0;
426 }
427 byte |= (char)x;
428 if ((nibble ^= 1) == 0) {
429 *cp++ = byte;
430 byte = 0;
431 } else {
432 byte <<= 4;
433 }
434 }
435 if (nibble != 0) {
436 OPENSSL_free(ret);
437 return 0;
438 }
439 *inptr = in;
440
441 return cp - (*out = ret);
442 }
443
444 /*
445 * Decode unsigned 0..255, returns 1 on success, <= 0 on failure. Advances
446 * inptr to next field skipping leading whitespace.
447 */
448 static ossl_ssize_t checked_uint8(const char **inptr, void *out)
449 {
450 uint8_t *result = (uint8_t *)out;
451 const char *in = *inptr;
452 char *endp;
453 long v;
454 int e;
455
456 save_errno();
457 v = strtol(in, &endp, 10);
458 e = restore_errno();
459
460 if (((v == LONG_MIN || v == LONG_MAX) && e == ERANGE) ||
461 endp == in || !isspace(_UC(*endp)) ||
462 v != (*result = (uint8_t) v)) {
463 return -1;
464 }
465 for (in = endp; isspace(_UC(*in)); ++in)
466 continue;
467
468 *inptr = in;
469 return 1;
470 }
471
472 struct tlsa_field {
473 void *var;
474 const char *name;
475 ossl_ssize_t (*parser)(const char **, void *);
476 };
477
478 static int tlsa_import_rr(SSL *con, const char *rrdata)
479 {
480 /* Not necessary to re-init these values; the "parsers" do that. */
481 static uint8_t usage;
482 static uint8_t selector;
483 static uint8_t mtype;
484 static unsigned char *data;
485 static struct tlsa_field tlsa_fields[] = {
486 { &usage, "usage", checked_uint8 },
487 { &selector, "selector", checked_uint8 },
488 { &mtype, "mtype", checked_uint8 },
489 { &data, "data", hexdecode },
490 { NULL, }
491 };
492 struct tlsa_field *f;
493 int ret;
494 const char *cp = rrdata;
495 ossl_ssize_t len = 0;
496
497 for (f = tlsa_fields; f->var; ++f) {
498 /* Returns number of bytes produced, advances cp to next field */
499 if ((len = f->parser(&cp, f->var)) <= 0) {
500 BIO_printf(bio_err, "%s: warning: bad TLSA %s field in: %s\n",
501 prog, f->name, rrdata);
502 return 0;
503 }
504 }
505 /* The data field is last, so len is its length */
506 ret = SSL_dane_tlsa_add(con, usage, selector, mtype, data, len);
507 OPENSSL_free(data);
508
509 if (ret == 0) {
510 ERR_print_errors(bio_err);
511 BIO_printf(bio_err, "%s: warning: unusable TLSA rrdata: %s\n",
512 prog, rrdata);
513 return 0;
514 }
515 if (ret < 0) {
516 ERR_print_errors(bio_err);
517 BIO_printf(bio_err, "%s: warning: error loading TLSA rrdata: %s\n",
518 prog, rrdata);
519 return 0;
520 }
521 return ret;
522 }
523
524 static int tlsa_import_rrset(SSL *con, STACK_OF(OPENSSL_STRING) *rrset)
525 {
526 int num = sk_OPENSSL_STRING_num(rrset);
527 int count = 0;
528 int i;
529
530 for (i = 0; i < num; ++i) {
531 char *rrdata = sk_OPENSSL_STRING_value(rrset, i);
532 if (tlsa_import_rr(con, rrdata) > 0)
533 ++count;
534 }
535 return count > 0;
536 }
537
538 typedef enum OPTION_choice {
539 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
540 OPT_4, OPT_6, OPT_HOST, OPT_PORT, OPT_CONNECT, OPT_UNIX,
541 OPT_XMPPHOST, OPT_VERIFY,
542 OPT_CERT, OPT_CRL, OPT_CRL_DOWNLOAD, OPT_SESS_OUT, OPT_SESS_IN,
543 OPT_CERTFORM, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET,
544 OPT_BRIEF, OPT_PREXIT, OPT_CRLF, OPT_QUIET, OPT_NBIO,
545 OPT_SSL_CLIENT_ENGINE, OPT_RAND, OPT_IGN_EOF, OPT_NO_IGN_EOF,
546 OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_WDEBUG,
547 OPT_MSG, OPT_MSGFILE, OPT_ENGINE, OPT_TRACE, OPT_SECURITY_DEBUG,
548 OPT_SECURITY_DEBUG_VERBOSE, OPT_SHOWCERTS, OPT_NBIO_TEST, OPT_STATE,
549 #ifndef OPENSSL_NO_PSK
550 OPT_PSK_IDENTITY, OPT_PSK,
551 #endif
552 #ifndef OPENSSL_NO_SRP
553 OPT_SRPUSER, OPT_SRPPASS, OPT_SRP_STRENGTH, OPT_SRP_LATEUSER,
554 OPT_SRP_MOREGROUPS,
555 #endif
556 OPT_SSL3, OPT_SSL_CONFIG,
557 OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1,
558 OPT_DTLS1_2, OPT_TIMEOUT, OPT_MTU, OPT_KEYFORM, OPT_PASS,
559 OPT_CERT_CHAIN, OPT_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH,
560 OPT_KEY, OPT_RECONNECT, OPT_BUILD_CHAIN, OPT_CAFILE, OPT_NOCAFILE,
561 OPT_CHAINCAFILE, OPT_VERIFYCAFILE, OPT_NEXTPROTONEG, OPT_ALPN,
562 OPT_SERVERINFO, OPT_STARTTLS, OPT_SERVERNAME,
563 OPT_USE_SRTP, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN, OPT_SMTPHOST,
564 OPT_ASYNC, OPT_SPLIT_SEND_FRAG, OPT_MAX_PIPELINES, OPT_READ_BUF,
565 OPT_V_ENUM,
566 OPT_X_ENUM,
567 OPT_S_ENUM,
568 OPT_FALLBACKSCSV, OPT_NOCMDS, OPT_PROXY, OPT_DANE_TLSA_DOMAIN,
569 #ifndef OPENSSL_NO_CT
570 OPT_CT, OPT_NOCT, OPT_CTLOG_FILE,
571 #endif
572 OPT_DANE_TLSA_RRDATA
573 } OPTION_CHOICE;
574
575 OPTIONS s_client_options[] = {
576 {"help", OPT_HELP, '-', "Display this summary"},
577 {"host", OPT_HOST, 's', "Use -connect instead"},
578 {"port", OPT_PORT, 'p', "Use -connect instead"},
579 {"connect", OPT_CONNECT, 's',
580 "TCP/IP where to connect (default is :" PORT ")"},
581 {"proxy", OPT_PROXY, 's',
582 "Connect to via specified proxy to the real server"},
583 #ifdef AF_UNIX
584 {"unix", OPT_UNIX, 's', "Connect over unix domain sockets"},
585 #endif
586 {"4", OPT_4, '-', "Use IPv4 only"},
587 {"6", OPT_6, '-', "Use IPv6 only"},
588 {"verify", OPT_VERIFY, 'p', "Turn on peer certificate verification"},
589 {"cert", OPT_CERT, '<', "Certificate file to use, PEM format assumed"},
590 {"certform", OPT_CERTFORM, 'F',
591 "Certificate format (PEM or DER) PEM default"},
592 {"key", OPT_KEY, '<', "Private key file to use, if not in -cert file"},
593 {"keyform", OPT_KEYFORM, 'F', "Key format (PEM or DER) PEM default"},
594 {"pass", OPT_PASS, 's', "Private key file pass phrase source"},
595 {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
596 {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
597 {"no-CAfile", OPT_NOCAFILE, '-',
598 "Do not load the default certificates file"},
599 {"no-CApath", OPT_NOCAPATH, '-',
600 "Do not load certificates from the default certificates directory"},
601 {"dane_tlsa_domain", OPT_DANE_TLSA_DOMAIN, 's', "DANE TLSA base domain"},
602 {"dane_tlsa_rrdata", OPT_DANE_TLSA_RRDATA, 's',
603 "DANE TLSA rrdata presentation form"},
604 {"reconnect", OPT_RECONNECT, '-',
605 "Drop and re-make the connection with the same Session-ID"},
606 {"showcerts", OPT_SHOWCERTS, '-', "Show all certificates in the chain"},
607 {"debug", OPT_DEBUG, '-', "Extra output"},
608 {"msg", OPT_MSG, '-', "Show protocol messages"},
609 {"msgfile", OPT_MSGFILE, '>',
610 "File to send output of -msg or -trace, instead of stdout"},
611 {"nbio_test", OPT_NBIO_TEST, '-', "More ssl protocol testing"},
612 {"state", OPT_STATE, '-', "Print the ssl states"},
613 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"},
614 {"quiet", OPT_QUIET, '-', "No s_client output"},
615 {"ign_eof", OPT_IGN_EOF, '-', "Ignore input eof (default when -quiet)"},
616 {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Don't ignore input eof"},
617 {"starttls", OPT_STARTTLS, 's',
618 "Use the appropriate STARTTLS command before starting TLS"},
619 {"xmpphost", OPT_XMPPHOST, 's',
620 "Host to use with \"-starttls xmpp[-server]\""},
621 {"rand", OPT_RAND, 's',
622 "Load the file(s) into the random number generator"},
623 {"sess_out", OPT_SESS_OUT, '>', "File to write SSL session to"},
624 {"sess_in", OPT_SESS_IN, '<', "File to read SSL session from"},
625 {"use_srtp", OPT_USE_SRTP, 's',
626 "Offer SRTP key management with a colon-separated profile list"},
627 {"keymatexport", OPT_KEYMATEXPORT, 's',
628 "Export keying material using label"},
629 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
630 "Export len bytes of keying material (default 20)"},
631 {"fallback_scsv", OPT_FALLBACKSCSV, '-', "Send the fallback SCSV"},
632 {"name", OPT_SMTPHOST, 's', "Hostname to use for \"-starttls smtp\""},
633 {"CRL", OPT_CRL, '<', "CRL file to use"},
634 {"crl_download", OPT_CRL_DOWNLOAD, '-', "Download CRL from distribution points"},
635 {"CRLform", OPT_CRLFORM, 'F', "CRL format (PEM or DER) PEM is default"},
636 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-',
637 "Close connection on verification error"},
638 {"verify_quiet", OPT_VERIFY_QUIET, '-', "Restrict verify output to errors"},
639 {"brief", OPT_BRIEF, '-',
640 "Restrict output to brief summary of connection parameters"},
641 {"prexit", OPT_PREXIT, '-',
642 "Print session information when the program exits"},
643 {"security_debug", OPT_SECURITY_DEBUG, '-',
644 "Enable security debug messages"},
645 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-',
646 "Output more security debug output"},
647 {"cert_chain", OPT_CERT_CHAIN, '<',
648 "Certificate chain file (in PEM format)"},
649 {"chainCApath", OPT_CHAINCAPATH, '/',
650 "Use dir as certificate store path to build CA certificate chain"},
651 {"verifyCApath", OPT_VERIFYCAPATH, '/',
652 "Use dir as certificate store path to verify CA certificate"},
653 {"build_chain", OPT_BUILD_CHAIN, '-', "Build certificate chain"},
654 {"chainCAfile", OPT_CHAINCAFILE, '<',
655 "CA file for certificate chain (PEM format)"},
656 {"verifyCAfile", OPT_VERIFYCAFILE, '<',
657 "CA file for certificate verification (PEM format)"},
658 {"nocommands", OPT_NOCMDS, '-', "Do not use interactive command letters"},
659 {"servername", OPT_SERVERNAME, 's',
660 "Set TLS extension servername in ClientHello"},
661 {"tlsextdebug", OPT_TLSEXTDEBUG, '-',
662 "Hex dump of all TLS extensions received"},
663 #ifndef OPENSSL_NO_OCSP
664 {"status", OPT_STATUS, '-', "Request certificate status from server"},
665 #endif
666 {"serverinfo", OPT_SERVERINFO, 's',
667 "types Send empty ClientHello extensions (comma-separated numbers)"},
668 {"alpn", OPT_ALPN, 's',
669 "Enable ALPN extension, considering named protocols supported (comma-separated list)"},
670 {"async", OPT_ASYNC, '-', "Support asynchronous operation"},
671 {"ssl_config", OPT_SSL_CONFIG, 's', "Use specified configuration file"},
672 {"split_send_frag", OPT_SPLIT_SEND_FRAG, 'n',
673 "Size used to split data for encrypt pipelines"},
674 {"max_pipelines", OPT_MAX_PIPELINES, 'n',
675 "Maximum number of encrypt/decrypt pipelines to be used"},
676 {"read_buf", OPT_READ_BUF, 'n',
677 "Default read buffer size to be used for connections"},
678 OPT_S_OPTIONS,
679 OPT_V_OPTIONS,
680 OPT_X_OPTIONS,
681 #ifndef OPENSSL_NO_SSL3
682 {"ssl3", OPT_SSL3, '-', "Just use SSLv3"},
683 #endif
684 #ifndef OPENSSL_NO_TLS1
685 {"tls1", OPT_TLS1, '-', "Just use TLSv1"},
686 #endif
687 #ifndef OPENSSL_NO_TLS1_1
688 {"tls1_1", OPT_TLS1_1, '-', "Just use TLSv1.1"},
689 #endif
690 #ifndef OPENSSL_NO_TLS1_2
691 {"tls1_2", OPT_TLS1_2, '-', "Just use TLSv1.2"},
692 #endif
693 #ifndef OPENSSL_NO_DTLS
694 {"dtls", OPT_DTLS, '-', "Use any version of DTLS"},
695 {"timeout", OPT_TIMEOUT, '-',
696 "Enable send/receive timeout on DTLS connections"},
697 {"mtu", OPT_MTU, 'p', "Set the link layer MTU"},
698 #endif
699 #ifndef OPENSSL_NO_DTLS1
700 {"dtls1", OPT_DTLS1, '-', "Just use DTLSv1"},
701 #endif
702 #ifndef OPENSSL_NO_DTLS1_2
703 {"dtls1_2", OPT_DTLS1_2, '-', "Just use DTLSv1.2"},
704 #endif
705 #ifndef OPENSSL_NO_SSL_TRACE
706 {"trace", OPT_TRACE, '-', "Show trace output of protocol messages"},
707 #endif
708 #ifdef WATT32
709 {"wdebug", OPT_WDEBUG, '-', "WATT-32 tcp debugging"},
710 #endif
711 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"},
712 #ifndef OPENSSL_NO_PSK
713 {"psk_identity", OPT_PSK_IDENTITY, 's', "PSK identity"},
714 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"},
715 #endif
716 #ifndef OPENSSL_NO_SRP
717 {"srpuser", OPT_SRPUSER, 's', "SRP authentication for 'user'"},
718 {"srppass", OPT_SRPPASS, 's', "Password for 'user'"},
719 {"srp_lateuser", OPT_SRP_LATEUSER, '-',
720 "SRP username into second ClientHello message"},
721 {"srp_moregroups", OPT_SRP_MOREGROUPS, '-',
722 "Tolerate other than the known g N values."},
723 {"srp_strength", OPT_SRP_STRENGTH, 'p', "Minimal length in bits for N"},
724 #endif
725 #ifndef OPENSSL_NO_NEXTPROTONEG
726 {"nextprotoneg", OPT_NEXTPROTONEG, 's',
727 "Enable NPN extension, considering named protocols supported (comma-separated list)"},
728 #endif
729 #ifndef OPENSSL_NO_ENGINE
730 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
731 {"ssl_client_engine", OPT_SSL_CLIENT_ENGINE, 's',
732 "Specify engine to be used for client certificate operations"},
733 #endif
734 #ifndef OPENSSL_NO_CT
735 {"ct", OPT_CT, '-', "Request and parse SCTs (also enables OCSP stapling)"},
736 {"noct", OPT_NOCT, '-', "Do not request or parse SCTs (default)"},
737 {"ctlogfile", OPT_CTLOG_FILE, '<', "CT log list CONF file"},
738 #endif
739 {NULL, OPT_EOF, 0x00, NULL}
740 };
741
742 typedef enum PROTOCOL_choice {
743 PROTO_OFF,
744 PROTO_SMTP,
745 PROTO_POP3,
746 PROTO_IMAP,
747 PROTO_FTP,
748 PROTO_TELNET,
749 PROTO_XMPP,
750 PROTO_XMPP_SERVER,
751 PROTO_CONNECT,
752 PROTO_IRC
753 } PROTOCOL_CHOICE;
754
755 static const OPT_PAIR services[] = {
756 {"smtp", PROTO_SMTP},
757 {"pop3", PROTO_POP3},
758 {"imap", PROTO_IMAP},
759 {"ftp", PROTO_FTP},
760 {"xmpp", PROTO_XMPP},
761 {"xmpp-server", PROTO_XMPP_SERVER},
762 {"telnet", PROTO_TELNET},
763 {"irc", PROTO_IRC},
764 {NULL, 0}
765 };
766
767 int s_client_main(int argc, char **argv)
768 {
769 BIO *sbio;
770 EVP_PKEY *key = NULL;
771 SSL *con = NULL;
772 SSL_CTX *ctx = NULL;
773 STACK_OF(X509) *chain = NULL;
774 X509 *cert = NULL;
775 X509_VERIFY_PARAM *vpm = NULL;
776 SSL_EXCERT *exc = NULL;
777 SSL_CONF_CTX *cctx = NULL;
778 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
779 char *dane_tlsa_domain = NULL;
780 STACK_OF(OPENSSL_STRING) *dane_tlsa_rrset = NULL;
781 STACK_OF(X509_CRL) *crls = NULL;
782 const SSL_METHOD *meth = TLS_client_method();
783 char *CApath = NULL, *CAfile = NULL, *cbuf = NULL, *sbuf = NULL;
784 char *mbuf = NULL, *proxystr = NULL, *connectstr = NULL;
785 char *cert_file = NULL, *key_file = NULL, *chain_file = NULL;
786 char *chCApath = NULL, *chCAfile = NULL, *host = NULL;
787 char *port = BUF_strdup(PORT);
788 char *inrand = NULL;
789 char *passarg = NULL, *pass = NULL, *vfyCApath = NULL, *vfyCAfile = NULL;
790 char *sess_in = NULL, *sess_out = NULL, *crl_file = NULL, *p;
791 char *xmpphost = NULL;
792 const char *ehlo = "mail.example.com";
793 struct timeval timeout, *timeoutp;
794 fd_set readfds, writefds;
795 int noCApath = 0, noCAfile = 0;
796 int build_chain = 0, cbuf_len, cbuf_off, cert_format = FORMAT_PEM;
797 int key_format = FORMAT_PEM, crlf = 0, full_log = 1, mbuf_len = 0;
798 int prexit = 0;
799 int sdebug = 0;
800 int reconnect = 0, verify = SSL_VERIFY_NONE, vpmtouched = 0;
801 int ret = 1, in_init = 1, i, nbio_test = 0, s = -1, k, width, state = 0;
802 int sbuf_len, sbuf_off, cmdletters = 1;
803 int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM;
804 int starttls_proto = PROTO_OFF, crl_format = FORMAT_PEM, crl_download = 0;
805 int write_tty, read_tty, write_ssl, read_ssl, tty_on, ssl_pending;
806 int read_buf_len = 0;
807 int fallback_scsv = 0;
808 long randamt = 0;
809 OPTION_CHOICE o;
810 #ifndef OPENSSL_NO_DTLS
811 int enable_timeouts = 0;
812 long socket_mtu = 0;
813 #endif
814 #ifndef OPENSSL_NO_ENGINE
815 ENGINE *ssl_client_engine = NULL;
816 #endif
817 ENGINE *e = NULL;
818 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
819 struct timeval tv;
820 #endif
821 char *servername = NULL;
822 const char *alpn_in = NULL;
823 tlsextctx tlsextcbp = { NULL, 0 };
824 const char *ssl_config = NULL;
825 #define MAX_SI_TYPES 100
826 unsigned short serverinfo_types[MAX_SI_TYPES];
827 int serverinfo_count = 0, start = 0, len;
828 #ifndef OPENSSL_NO_NEXTPROTONEG
829 const char *next_proto_neg_in = NULL;
830 #endif
831 #ifndef OPENSSL_NO_SRP
832 char *srppass = NULL;
833 int srp_lateuser = 0;
834 SRP_ARG srp_arg = { NULL, NULL, 0, 0, 0, 1024 };
835 #endif
836 #ifndef OPENSSL_NO_CT
837 char *ctlog_file = NULL;
838 int ct_validation = 0;
839 #endif
840 int min_version = 0, max_version = 0;
841 int async = 0;
842 unsigned int split_send_fragment = 0;
843 unsigned int max_pipelines = 0;
844
845 FD_ZERO(&readfds);
846 FD_ZERO(&writefds);
847 /* Known false-positive of MemorySanitizer. */
848 #if defined(__has_feature)
849 # if __has_feature(memory_sanitizer)
850 __msan_unpoison(&readfds, sizeof(readfds));
851 __msan_unpoison(&writefds, sizeof(writefds));
852 # endif
853 #endif
854
855 prog = opt_progname(argv[0]);
856 c_quiet = 0;
857 c_ign_eof = 0;
858 c_debug = 0;
859 c_msg = 0;
860 c_showcerts = 0;
861 c_nbio = 0;
862 verify_depth = 0;
863 verify_error = X509_V_OK;
864 vpm = X509_VERIFY_PARAM_new();
865 cbuf = app_malloc(BUFSIZZ, "cbuf");
866 sbuf = app_malloc(BUFSIZZ, "sbuf");
867 mbuf = app_malloc(BUFSIZZ, "mbuf");
868 cctx = SSL_CONF_CTX_new();
869
870 if (vpm == NULL || cctx == NULL) {
871 BIO_printf(bio_err, "%s: out of memory\n", prog);
872 goto end;
873 }
874
875 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT | SSL_CONF_FLAG_CMDLINE);
876
877 prog = opt_init(argc, argv, s_client_options);
878 while ((o = opt_next()) != OPT_EOF) {
879 switch (o) {
880 case OPT_EOF:
881 case OPT_ERR:
882 opthelp:
883 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
884 goto end;
885 case OPT_HELP:
886 opt_help(s_client_options);
887 ret = 0;
888 goto end;
889 case OPT_4:
890 #ifdef AF_UNIX
891 if (socket_family == AF_UNIX) {
892 OPENSSL_free(host); host = NULL;
893 OPENSSL_free(port); port = NULL;
894 }
895 #endif
896 socket_family = AF_INET;
897 break;
898 case OPT_6:
899 if (1) {
900 #ifdef AF_INET6
901 #ifdef AF_UNIX
902 if (socket_family == AF_UNIX) {
903 OPENSSL_free(host); host = NULL;
904 OPENSSL_free(port); port = NULL;
905 }
906 #endif
907 socket_family = AF_INET6;
908 } else {
909 #endif
910 BIO_printf(bio_err, "%s: IPv6 domain sockets unsupported\n", prog);
911 goto end;
912 }
913 break;
914 case OPT_HOST:
915 #ifdef AF_UNIX
916 if (socket_family == AF_UNIX) {
917 OPENSSL_free(host); host = NULL;
918 OPENSSL_free(port); port = NULL;
919 socket_family = AF_UNSPEC;
920 }
921 #endif
922 OPENSSL_free(host); host = BUF_strdup(opt_arg());
923 break;
924 case OPT_PORT:
925 #ifdef AF_UNIX
926 if (socket_family == AF_UNIX) {
927 OPENSSL_free(host); host = NULL;
928 OPENSSL_free(port); port = NULL;
929 socket_family = AF_UNSPEC;
930 }
931 #endif
932 OPENSSL_free(port); port = BUF_strdup(opt_arg());
933 break;
934 case OPT_CONNECT:
935 #ifdef AF_UNIX
936 if (socket_family == AF_UNIX) {
937 socket_family = AF_UNSPEC;
938 }
939 #endif
940 OPENSSL_free(host); host = NULL;
941 OPENSSL_free(port); port = NULL;
942 connectstr = opt_arg();
943 break;
944 case OPT_PROXY:
945 proxystr = opt_arg();
946 starttls_proto = PROTO_CONNECT;
947 break;
948 #ifdef AF_UNIX
949 case OPT_UNIX:
950 socket_family = AF_UNIX;
951 OPENSSL_free(host); host = BUF_strdup(opt_arg());
952 OPENSSL_free(port); port = NULL;
953 break;
954 #endif
955 case OPT_XMPPHOST:
956 xmpphost = opt_arg();
957 break;
958 case OPT_SMTPHOST:
959 ehlo = opt_arg();
960 break;
961 case OPT_VERIFY:
962 verify = SSL_VERIFY_PEER;
963 verify_depth = atoi(opt_arg());
964 if (!c_quiet)
965 BIO_printf(bio_err, "verify depth is %d\n", verify_depth);
966 break;
967 case OPT_CERT:
968 cert_file = opt_arg();
969 break;
970 case OPT_CRL:
971 crl_file = opt_arg();
972 break;
973 case OPT_CRL_DOWNLOAD:
974 crl_download = 1;
975 break;
976 case OPT_SESS_OUT:
977 sess_out = opt_arg();
978 break;
979 case OPT_SESS_IN:
980 sess_in = opt_arg();
981 break;
982 case OPT_CERTFORM:
983 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &cert_format))
984 goto opthelp;
985 break;
986 case OPT_CRLFORM:
987 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
988 goto opthelp;
989 break;
990 case OPT_VERIFY_RET_ERROR:
991 verify_return_error = 1;
992 break;
993 case OPT_VERIFY_QUIET:
994 verify_quiet = 1;
995 break;
996 case OPT_BRIEF:
997 c_brief = verify_quiet = c_quiet = 1;
998 break;
999 case OPT_S_CASES:
1000 if (ssl_args == NULL)
1001 ssl_args = sk_OPENSSL_STRING_new_null();
1002 if (ssl_args == NULL
1003 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
1004 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
1005 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1006 goto end;
1007 }
1008 break;
1009 case OPT_V_CASES:
1010 if (!opt_verify(o, vpm))
1011 goto end;
1012 vpmtouched++;
1013 break;
1014 case OPT_X_CASES:
1015 if (!args_excert(o, &exc))
1016 goto end;
1017 break;
1018 case OPT_PREXIT:
1019 prexit = 1;
1020 break;
1021 case OPT_CRLF:
1022 crlf = 1;
1023 break;
1024 case OPT_QUIET:
1025 c_quiet = c_ign_eof = 1;
1026 break;
1027 case OPT_NBIO:
1028 c_nbio = 1;
1029 break;
1030 case OPT_NOCMDS:
1031 cmdletters = 0;
1032 break;
1033 case OPT_ENGINE:
1034 e = setup_engine(opt_arg(), 1);
1035 break;
1036 case OPT_SSL_CLIENT_ENGINE:
1037 #ifndef OPENSSL_NO_ENGINE
1038 ssl_client_engine = ENGINE_by_id(opt_arg());
1039 if (ssl_client_engine == NULL) {
1040 BIO_printf(bio_err, "Error getting client auth engine\n");
1041 goto opthelp;
1042 }
1043 #endif
1044 break;
1045 case OPT_RAND:
1046 inrand = opt_arg();
1047 break;
1048 case OPT_IGN_EOF:
1049 c_ign_eof = 1;
1050 break;
1051 case OPT_NO_IGN_EOF:
1052 c_ign_eof = 0;
1053 break;
1054 case OPT_DEBUG:
1055 c_debug = 1;
1056 break;
1057 case OPT_TLSEXTDEBUG:
1058 c_tlsextdebug = 1;
1059 break;
1060 case OPT_STATUS:
1061 c_status_req = 1;
1062 break;
1063 case OPT_WDEBUG:
1064 #ifdef WATT32
1065 dbug_init();
1066 #endif
1067 break;
1068 case OPT_MSG:
1069 c_msg = 1;
1070 break;
1071 case OPT_MSGFILE:
1072 bio_c_msg = BIO_new_file(opt_arg(), "w");
1073 break;
1074 case OPT_TRACE:
1075 #ifndef OPENSSL_NO_SSL_TRACE
1076 c_msg = 2;
1077 #endif
1078 break;
1079 case OPT_SECURITY_DEBUG:
1080 sdebug = 1;
1081 break;
1082 case OPT_SECURITY_DEBUG_VERBOSE:
1083 sdebug = 2;
1084 break;
1085 case OPT_SHOWCERTS:
1086 c_showcerts = 1;
1087 break;
1088 case OPT_NBIO_TEST:
1089 nbio_test = 1;
1090 break;
1091 case OPT_STATE:
1092 state = 1;
1093 break;
1094 #ifndef OPENSSL_NO_PSK
1095 case OPT_PSK_IDENTITY:
1096 psk_identity = opt_arg();
1097 break;
1098 case OPT_PSK:
1099 for (p = psk_key = opt_arg(); *p; p++) {
1100 if (isxdigit(_UC(*p)))
1101 continue;
1102 BIO_printf(bio_err, "Not a hex number '%s'\n", psk_key);
1103 goto end;
1104 }
1105 break;
1106 #endif
1107 #ifndef OPENSSL_NO_SRP
1108 case OPT_SRPUSER:
1109 srp_arg.srplogin = opt_arg();
1110 if (min_version < TLS1_VERSION)
1111 min_version = TLS1_VERSION;
1112 break;
1113 case OPT_SRPPASS:
1114 srppass = opt_arg();
1115 if (min_version < TLS1_VERSION)
1116 min_version = TLS1_VERSION;
1117 break;
1118 case OPT_SRP_STRENGTH:
1119 srp_arg.strength = atoi(opt_arg());
1120 BIO_printf(bio_err, "SRP minimal length for N is %d\n",
1121 srp_arg.strength);
1122 if (min_version < TLS1_VERSION)
1123 min_version = TLS1_VERSION;
1124 break;
1125 case OPT_SRP_LATEUSER:
1126 srp_lateuser = 1;
1127 if (min_version < TLS1_VERSION)
1128 min_version = TLS1_VERSION;
1129 break;
1130 case OPT_SRP_MOREGROUPS:
1131 srp_arg.amp = 1;
1132 if (min_version < TLS1_VERSION)
1133 min_version = TLS1_VERSION;
1134 break;
1135 #endif
1136 case OPT_SSL_CONFIG:
1137 ssl_config = opt_arg();
1138 break;
1139 case OPT_SSL3:
1140 min_version = SSL3_VERSION;
1141 max_version = SSL3_VERSION;
1142 break;
1143 case OPT_TLS1_2:
1144 min_version = TLS1_2_VERSION;
1145 max_version = TLS1_2_VERSION;
1146 break;
1147 case OPT_TLS1_1:
1148 min_version = TLS1_1_VERSION;
1149 max_version = TLS1_1_VERSION;
1150 break;
1151 case OPT_TLS1:
1152 min_version = TLS1_VERSION;
1153 max_version = TLS1_VERSION;
1154 break;
1155 case OPT_DTLS:
1156 #ifndef OPENSSL_NO_DTLS
1157 meth = DTLS_client_method();
1158 socket_type = SOCK_DGRAM;
1159 #endif
1160 break;
1161 case OPT_DTLS1:
1162 #ifndef OPENSSL_NO_DTLS1
1163 meth = DTLS_client_method();
1164 min_version = DTLS1_VERSION;
1165 max_version = DTLS1_VERSION;
1166 socket_type = SOCK_DGRAM;
1167 #endif
1168 break;
1169 case OPT_DTLS1_2:
1170 #ifndef OPENSSL_NO_DTLS1_2
1171 meth = DTLS_client_method();
1172 min_version = DTLS1_2_VERSION;
1173 max_version = DTLS1_2_VERSION;
1174 socket_type = SOCK_DGRAM;
1175 #endif
1176 break;
1177 case OPT_TIMEOUT:
1178 #ifndef OPENSSL_NO_DTLS
1179 enable_timeouts = 1;
1180 #endif
1181 break;
1182 case OPT_MTU:
1183 #ifndef OPENSSL_NO_DTLS
1184 socket_mtu = atol(opt_arg());
1185 #endif
1186 break;
1187 case OPT_FALLBACKSCSV:
1188 fallback_scsv = 1;
1189 break;
1190 case OPT_KEYFORM:
1191 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &key_format))
1192 goto opthelp;
1193 break;
1194 case OPT_PASS:
1195 passarg = opt_arg();
1196 break;
1197 case OPT_CERT_CHAIN:
1198 chain_file = opt_arg();
1199 break;
1200 case OPT_KEY:
1201 key_file = opt_arg();
1202 break;
1203 case OPT_RECONNECT:
1204 reconnect = 5;
1205 break;
1206 case OPT_CAPATH:
1207 CApath = opt_arg();
1208 break;
1209 case OPT_NOCAPATH:
1210 noCApath = 1;
1211 break;
1212 case OPT_CHAINCAPATH:
1213 chCApath = opt_arg();
1214 break;
1215 case OPT_VERIFYCAPATH:
1216 vfyCApath = opt_arg();
1217 break;
1218 case OPT_BUILD_CHAIN:
1219 build_chain = 1;
1220 break;
1221 case OPT_CAFILE:
1222 CAfile = opt_arg();
1223 break;
1224 case OPT_NOCAFILE:
1225 noCAfile = 1;
1226 break;
1227 #ifndef OPENSSL_NO_CT
1228 case OPT_NOCT:
1229 ct_validation = 0;
1230 break;
1231 case OPT_CT:
1232 ct_validation = 1;
1233 break;
1234 case OPT_CTLOG_FILE:
1235 ctlog_file = opt_arg();
1236 break;
1237 #endif
1238 case OPT_CHAINCAFILE:
1239 chCAfile = opt_arg();
1240 break;
1241 case OPT_VERIFYCAFILE:
1242 vfyCAfile = opt_arg();
1243 break;
1244 case OPT_DANE_TLSA_DOMAIN:
1245 dane_tlsa_domain = opt_arg();
1246 break;
1247 case OPT_DANE_TLSA_RRDATA:
1248 if (dane_tlsa_rrset == NULL)
1249 dane_tlsa_rrset = sk_OPENSSL_STRING_new_null();
1250 if (dane_tlsa_rrset == NULL ||
1251 !sk_OPENSSL_STRING_push(dane_tlsa_rrset, opt_arg())) {
1252 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1253 goto end;
1254 }
1255 break;
1256 case OPT_NEXTPROTONEG:
1257 #ifndef OPENSSL_NO_NEXTPROTONEG
1258 next_proto_neg_in = opt_arg();
1259 #endif
1260 break;
1261 case OPT_ALPN:
1262 alpn_in = opt_arg();
1263 break;
1264 case OPT_SERVERINFO:
1265 p = opt_arg();
1266 len = strlen(p);
1267 for (start = 0, i = 0; i <= len; ++i) {
1268 if (i == len || p[i] == ',') {
1269 serverinfo_types[serverinfo_count] = atoi(p + start);
1270 if (++serverinfo_count == MAX_SI_TYPES)
1271 break;
1272 start = i + 1;
1273 }
1274 }
1275 break;
1276 case OPT_STARTTLS:
1277 if (!opt_pair(opt_arg(), services, &starttls_proto))
1278 goto end;
1279 break;
1280 case OPT_SERVERNAME:
1281 servername = opt_arg();
1282 break;
1283 case OPT_USE_SRTP:
1284 srtp_profiles = opt_arg();
1285 break;
1286 case OPT_KEYMATEXPORT:
1287 keymatexportlabel = opt_arg();
1288 break;
1289 case OPT_KEYMATEXPORTLEN:
1290 keymatexportlen = atoi(opt_arg());
1291 break;
1292 case OPT_ASYNC:
1293 async = 1;
1294 break;
1295 case OPT_SPLIT_SEND_FRAG:
1296 split_send_fragment = atoi(opt_arg());
1297 if (split_send_fragment == 0) {
1298 /*
1299 * Not allowed - set to a deliberately bad value so we get an
1300 * error message below
1301 */
1302 split_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH + 1;
1303 }
1304 break;
1305 case OPT_MAX_PIPELINES:
1306 max_pipelines = atoi(opt_arg());
1307 break;
1308 case OPT_READ_BUF:
1309 read_buf_len = atoi(opt_arg());
1310 break;
1311 }
1312 }
1313 argc = opt_num_rest();
1314 if (argc != 0)
1315 goto opthelp;
1316
1317 if (proxystr) {
1318 int res;
1319 char *tmp_host = host, *tmp_port = port;
1320 if (connectstr == NULL) {
1321 BIO_printf(bio_err, "%s: -proxy requires use of -connect\n", prog);
1322 goto opthelp;
1323 }
1324 res = BIO_parse_hostserv(proxystr, &host, &port, BIO_PARSE_PRIO_HOST);
1325 if (tmp_host != host)
1326 OPENSSL_free(tmp_host);
1327 if (tmp_port != port)
1328 OPENSSL_free(tmp_port);
1329 if (!res) {
1330 BIO_printf(bio_err, "%s: -proxy argument malformed or ambiguous\n",
1331 prog);
1332 goto end;
1333 }
1334 } else {
1335 int res = 1;
1336 char *tmp_host = host, *tmp_port = port;
1337 if (connectstr != NULL)
1338 res = BIO_parse_hostserv(connectstr, &host, &port,
1339 BIO_PARSE_PRIO_HOST);
1340 if (tmp_host != host)
1341 OPENSSL_free(tmp_host);
1342 if (tmp_port != port)
1343 OPENSSL_free(tmp_port);
1344 if (!res) {
1345 BIO_printf(bio_err,
1346 "%s: -connect argument malformed or ambiguous\n",
1347 prog);
1348 goto end;
1349 }
1350 }
1351
1352 if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) {
1353 BIO_printf(bio_err,
1354 "Can't use unix sockets and datagrams together\n");
1355 goto end;
1356 }
1357
1358 if (split_send_fragment > SSL3_RT_MAX_PLAIN_LENGTH) {
1359 BIO_printf(bio_err, "Bad split send fragment size\n");
1360 goto end;
1361 }
1362
1363 if (max_pipelines > SSL_MAX_PIPELINES) {
1364 BIO_printf(bio_err, "Bad max pipelines value\n");
1365 goto end;
1366 }
1367
1368 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1369 next_proto.status = -1;
1370 if (next_proto_neg_in) {
1371 next_proto.data =
1372 next_protos_parse(&next_proto.len, next_proto_neg_in);
1373 if (next_proto.data == NULL) {
1374 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n");
1375 goto end;
1376 }
1377 } else
1378 next_proto.data = NULL;
1379 #endif
1380
1381 if (!app_passwd(passarg, NULL, &pass, NULL)) {
1382 BIO_printf(bio_err, "Error getting password\n");
1383 goto end;
1384 }
1385
1386 if (key_file == NULL)
1387 key_file = cert_file;
1388
1389 if (key_file) {
1390 key = load_key(key_file, key_format, 0, pass, e,
1391 "client certificate private key file");
1392 if (key == NULL) {
1393 ERR_print_errors(bio_err);
1394 goto end;
1395 }
1396 }
1397
1398 if (cert_file) {
1399 cert = load_cert(cert_file, cert_format, "client certificate file");
1400 if (cert == NULL) {
1401 ERR_print_errors(bio_err);
1402 goto end;
1403 }
1404 }
1405
1406 if (chain_file) {
1407 if (!load_certs(chain_file, &chain, FORMAT_PEM, NULL,
1408 "client certificate chain"))
1409 goto end;
1410 }
1411
1412 if (crl_file) {
1413 X509_CRL *crl;
1414 crl = load_crl(crl_file, crl_format);
1415 if (crl == NULL) {
1416 BIO_puts(bio_err, "Error loading CRL\n");
1417 ERR_print_errors(bio_err);
1418 goto end;
1419 }
1420 crls = sk_X509_CRL_new_null();
1421 if (crls == NULL || !sk_X509_CRL_push(crls, crl)) {
1422 BIO_puts(bio_err, "Error adding CRL\n");
1423 ERR_print_errors(bio_err);
1424 X509_CRL_free(crl);
1425 goto end;
1426 }
1427 }
1428
1429 if (!load_excert(&exc))
1430 goto end;
1431
1432 if (!app_RAND_load_file(NULL, 1) && inrand == NULL
1433 && !RAND_status()) {
1434 BIO_printf(bio_err,
1435 "warning, not much extra random data, consider using the -rand option\n");
1436 }
1437 if (inrand != NULL) {
1438 randamt = app_RAND_load_files(inrand);
1439 BIO_printf(bio_err, "%ld semi-random bytes loaded\n", randamt);
1440 }
1441
1442 if (bio_c_out == NULL) {
1443 if (c_quiet && !c_debug) {
1444 bio_c_out = BIO_new(BIO_s_null());
1445 if (c_msg && !bio_c_msg)
1446 bio_c_msg = dup_bio_out(FORMAT_TEXT);
1447 } else if (bio_c_out == NULL)
1448 bio_c_out = dup_bio_out(FORMAT_TEXT);
1449 }
1450 #ifndef OPENSSL_NO_SRP
1451 if (!app_passwd(srppass, NULL, &srp_arg.srppassin, NULL)) {
1452 BIO_printf(bio_err, "Error getting password\n");
1453 goto end;
1454 }
1455 #endif
1456
1457 ctx = SSL_CTX_new(meth);
1458 if (ctx == NULL) {
1459 ERR_print_errors(bio_err);
1460 goto end;
1461 }
1462
1463 if (sdebug)
1464 ssl_ctx_security_debug(ctx, sdebug);
1465
1466 if (ssl_config) {
1467 if (SSL_CTX_config(ctx, ssl_config) == 0) {
1468 BIO_printf(bio_err, "Error using configuration \"%s\"\n",
1469 ssl_config);
1470 ERR_print_errors(bio_err);
1471 goto end;
1472 }
1473 }
1474
1475 if (SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
1476 goto end;
1477 if (SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
1478 goto end;
1479
1480 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
1481 BIO_printf(bio_err, "Error setting verify params\n");
1482 ERR_print_errors(bio_err);
1483 goto end;
1484 }
1485
1486 if (async) {
1487 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
1488 }
1489 if (split_send_fragment > 0) {
1490 SSL_CTX_set_split_send_fragment(ctx, split_send_fragment);
1491 }
1492 if (max_pipelines > 0) {
1493 SSL_CTX_set_max_pipelines(ctx, max_pipelines);
1494 }
1495
1496 if (read_buf_len > 0) {
1497 SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len);
1498 }
1499
1500 if (!config_ctx(cctx, ssl_args, ctx))
1501 goto end;
1502
1503 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1504 crls, crl_download)) {
1505 BIO_printf(bio_err, "Error loading store locations\n");
1506 ERR_print_errors(bio_err);
1507 goto end;
1508 }
1509 #ifndef OPENSSL_NO_ENGINE
1510 if (ssl_client_engine) {
1511 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine)) {
1512 BIO_puts(bio_err, "Error setting client auth engine\n");
1513 ERR_print_errors(bio_err);
1514 ENGINE_free(ssl_client_engine);
1515 goto end;
1516 }
1517 ENGINE_free(ssl_client_engine);
1518 }
1519 #endif
1520
1521 #ifndef OPENSSL_NO_PSK
1522 if (psk_key != NULL) {
1523 if (c_debug)
1524 BIO_printf(bio_c_out,
1525 "PSK key given, setting client callback\n");
1526 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
1527 }
1528 #endif
1529 #ifndef OPENSSL_NO_SRTP
1530 if (srtp_profiles != NULL) {
1531 /* Returns 0 on success! */
1532 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
1533 BIO_printf(bio_err, "Error setting SRTP profile\n");
1534 ERR_print_errors(bio_err);
1535 goto end;
1536 }
1537 }
1538 #endif
1539
1540 if (exc)
1541 ssl_ctx_set_excert(ctx, exc);
1542
1543 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1544 if (next_proto.data)
1545 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
1546 #endif
1547 if (alpn_in) {
1548 size_t alpn_len;
1549 unsigned char *alpn = next_protos_parse(&alpn_len, alpn_in);
1550
1551 if (alpn == NULL) {
1552 BIO_printf(bio_err, "Error parsing -alpn argument\n");
1553 goto end;
1554 }
1555 /* Returns 0 on success! */
1556 if (SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len) != 0) {
1557 BIO_printf(bio_err, "Error setting ALPN\n");
1558 goto end;
1559 }
1560 OPENSSL_free(alpn);
1561 }
1562
1563 for (i = 0; i < serverinfo_count; i++) {
1564 if (!SSL_CTX_add_client_custom_ext(ctx,
1565 serverinfo_types[i],
1566 NULL, NULL, NULL,
1567 serverinfo_cli_parse_cb, NULL)) {
1568 BIO_printf(bio_err,
1569 "Warning: Unable to add custom extension %u, skipping\n",
1570 serverinfo_types[i]);
1571 }
1572 }
1573
1574 if (state)
1575 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1576
1577 #ifndef OPENSSL_NO_CT
1578 /* Enable SCT processing, without early connection termination */
1579 if (ct_validation &&
1580 !SSL_CTX_enable_ct(ctx, SSL_CT_VALIDATION_PERMISSIVE)) {
1581 ERR_print_errors(bio_err);
1582 goto end;
1583 }
1584
1585 if (!ctx_set_ctlog_list_file(ctx, ctlog_file)) {
1586 if (ct_validation) {
1587 ERR_print_errors(bio_err);
1588 goto end;
1589 }
1590
1591 /*
1592 * If CT validation is not enabled, the log list isn't needed so don't
1593 * show errors or abort. We try to load it regardless because then we
1594 * can show the names of the logs any SCTs came from (SCTs may be seen
1595 * even with validation disabled).
1596 */
1597 ERR_clear_error();
1598 }
1599 #endif
1600
1601 SSL_CTX_set_verify(ctx, verify, verify_callback);
1602
1603 if (!ctx_set_verify_locations(ctx, CAfile, CApath, noCAfile, noCApath)) {
1604 ERR_print_errors(bio_err);
1605 goto end;
1606 }
1607
1608 ssl_ctx_add_crls(ctx, crls, crl_download);
1609
1610 if (!set_cert_key_stuff(ctx, cert, key, chain, build_chain))
1611 goto end;
1612
1613 if (servername != NULL) {
1614 tlsextcbp.biodebug = bio_err;
1615 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1616 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1617 }
1618 # ifndef OPENSSL_NO_SRP
1619 if (srp_arg.srplogin) {
1620 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin)) {
1621 BIO_printf(bio_err, "Unable to set SRP username\n");
1622 goto end;
1623 }
1624 srp_arg.msg = c_msg;
1625 srp_arg.debug = c_debug;
1626 SSL_CTX_set_srp_cb_arg(ctx, &srp_arg);
1627 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb);
1628 SSL_CTX_set_srp_strength(ctx, srp_arg.strength);
1629 if (c_msg || c_debug || srp_arg.amp == 0)
1630 SSL_CTX_set_srp_verify_param_callback(ctx,
1631 ssl_srp_verify_param_cb);
1632 }
1633 # endif
1634
1635 if (dane_tlsa_domain != NULL) {
1636 if (SSL_CTX_dane_enable(ctx) <= 0) {
1637 BIO_printf(bio_err,
1638 "%s: Error enabling DANE TLSA authentication.\n", prog);
1639 ERR_print_errors(bio_err);
1640 goto end;
1641 }
1642 }
1643
1644 con = SSL_new(ctx);
1645 if (sess_in) {
1646 SSL_SESSION *sess;
1647 BIO *stmp = BIO_new_file(sess_in, "r");
1648 if (!stmp) {
1649 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1650 ERR_print_errors(bio_err);
1651 goto end;
1652 }
1653 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1654 BIO_free(stmp);
1655 if (!sess) {
1656 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1657 ERR_print_errors(bio_err);
1658 goto end;
1659 }
1660 if (!SSL_set_session(con, sess)) {
1661 BIO_printf(bio_err, "Can't set session\n");
1662 ERR_print_errors(bio_err);
1663 goto end;
1664 }
1665 SSL_SESSION_free(sess);
1666 }
1667
1668 if (fallback_scsv)
1669 SSL_set_mode(con, SSL_MODE_SEND_FALLBACK_SCSV);
1670
1671 if (servername != NULL) {
1672 if (!SSL_set_tlsext_host_name(con, servername)) {
1673 BIO_printf(bio_err, "Unable to set TLS servername extension.\n");
1674 ERR_print_errors(bio_err);
1675 goto end;
1676 }
1677 }
1678
1679 if (dane_tlsa_domain != NULL) {
1680 if (SSL_dane_enable(con, dane_tlsa_domain) <= 0) {
1681 BIO_printf(bio_err, "%s: Error enabling DANE TLSA "
1682 "authentication.\n", prog);
1683 ERR_print_errors(bio_err);
1684 goto end;
1685 }
1686 if (dane_tlsa_rrset == NULL) {
1687 BIO_printf(bio_err, "%s: DANE TLSA authentication requires at "
1688 "least one -dane_tlsa_rrset option.\n", prog);
1689 goto end;
1690 }
1691 if (tlsa_import_rrset(con, dane_tlsa_rrset) <= 0) {
1692 BIO_printf(bio_err, "%s: Failed to import any TLSA "
1693 "records.\n", prog);
1694 goto end;
1695 }
1696 } else if (dane_tlsa_rrset != NULL) {
1697 BIO_printf(bio_err, "%s: DANE TLSA authentication requires the "
1698 "-dane_tlsa_domain option.\n", prog);
1699 goto end;
1700 }
1701
1702 re_start:
1703 if (init_client(&s, host, port, socket_family, socket_type) == 0)
1704 {
1705 BIO_printf(bio_err, "connect:errno=%d\n", get_last_socket_error());
1706 BIO_closesocket(s);
1707 goto end;
1708 }
1709 BIO_printf(bio_c_out, "CONNECTED(%08X)\n", s);
1710
1711 if (c_nbio) {
1712 if (!BIO_socket_nbio(s, 1)) {
1713 ERR_print_errors(bio_err);
1714 goto end;
1715 }
1716 BIO_printf(bio_c_out, "Turned on non blocking io\n");
1717 }
1718 #ifndef OPENSSL_NO_DTLS
1719 if (socket_type == SOCK_DGRAM) {
1720 struct sockaddr peer;
1721 int peerlen = sizeof peer;
1722
1723 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
1724 if (getsockname(s, &peer, (void *)&peerlen) < 0) {
1725 BIO_printf(bio_err, "getsockname:errno=%d\n",
1726 get_last_socket_error());
1727 BIO_closesocket(s);
1728 goto end;
1729 }
1730
1731 (void)BIO_ctrl_set_connected(sbio, &peer);
1732
1733 if (enable_timeouts) {
1734 timeout.tv_sec = 0;
1735 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1736 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1737
1738 timeout.tv_sec = 0;
1739 timeout.tv_usec = DGRAM_SND_TIMEOUT;
1740 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1741 }
1742
1743 if (socket_mtu) {
1744 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
1745 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
1746 DTLS_get_link_min_mtu(con));
1747 BIO_free(sbio);
1748 goto shut;
1749 }
1750 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1751 if (!DTLS_set_link_mtu(con, socket_mtu)) {
1752 BIO_printf(bio_err, "Failed to set MTU\n");
1753 BIO_free(sbio);
1754 goto shut;
1755 }
1756 } else
1757 /* want to do MTU discovery */
1758 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1759 } else
1760 #endif /* OPENSSL_NO_DTLS */
1761 sbio = BIO_new_socket(s, BIO_NOCLOSE);
1762
1763 if (nbio_test) {
1764 BIO *test;
1765
1766 test = BIO_new(BIO_f_nbio_test());
1767 sbio = BIO_push(test, sbio);
1768 }
1769
1770 if (c_debug) {
1771 BIO_set_callback(sbio, bio_dump_callback);
1772 BIO_set_callback_arg(sbio, (char *)bio_c_out);
1773 }
1774 if (c_msg) {
1775 #ifndef OPENSSL_NO_SSL_TRACE
1776 if (c_msg == 2)
1777 SSL_set_msg_callback(con, SSL_trace);
1778 else
1779 #endif
1780 SSL_set_msg_callback(con, msg_cb);
1781 SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out);
1782 }
1783
1784 if (c_tlsextdebug) {
1785 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1786 SSL_set_tlsext_debug_arg(con, bio_c_out);
1787 }
1788 #ifndef OPENSSL_NO_OCSP
1789 if (c_status_req) {
1790 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
1791 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
1792 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
1793 }
1794 #endif
1795
1796 SSL_set_bio(con, sbio, sbio);
1797 SSL_set_connect_state(con);
1798
1799 /* ok, lets connect */
1800 width = SSL_get_fd(con) + 1;
1801
1802 read_tty = 1;
1803 write_tty = 0;
1804 tty_on = 0;
1805 read_ssl = 1;
1806 write_ssl = 1;
1807
1808 cbuf_len = 0;
1809 cbuf_off = 0;
1810 sbuf_len = 0;
1811 sbuf_off = 0;
1812
1813 switch ((PROTOCOL_CHOICE) starttls_proto) {
1814 case PROTO_OFF:
1815 break;
1816 case PROTO_SMTP:
1817 {
1818 /*
1819 * This is an ugly hack that does a lot of assumptions. We do
1820 * have to handle multi-line responses which may come in a single
1821 * packet or not. We therefore have to use BIO_gets() which does
1822 * need a buffering BIO. So during the initial chitchat we do
1823 * push a buffering BIO into the chain that is removed again
1824 * later on to not disturb the rest of the s_client operation.
1825 */
1826 int foundit = 0;
1827 BIO *fbio = BIO_new(BIO_f_buffer());
1828 BIO_push(fbio, sbio);
1829 /* wait for multi-line response to end from SMTP */
1830 do {
1831 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1832 }
1833 while (mbuf_len > 3 && mbuf[3] == '-');
1834 BIO_printf(fbio, "EHLO %s\r\n", ehlo);
1835 (void)BIO_flush(fbio);
1836 /* wait for multi-line response to end EHLO SMTP response */
1837 do {
1838 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1839 if (strstr(mbuf, "STARTTLS"))
1840 foundit = 1;
1841 }
1842 while (mbuf_len > 3 && mbuf[3] == '-');
1843 (void)BIO_flush(fbio);
1844 BIO_pop(fbio);
1845 BIO_free(fbio);
1846 if (!foundit)
1847 BIO_printf(bio_err,
1848 "didn't find starttls in server response,"
1849 " trying anyway...\n");
1850 BIO_printf(sbio, "STARTTLS\r\n");
1851 BIO_read(sbio, sbuf, BUFSIZZ);
1852 }
1853 break;
1854 case PROTO_POP3:
1855 {
1856 BIO_read(sbio, mbuf, BUFSIZZ);
1857 BIO_printf(sbio, "STLS\r\n");
1858 mbuf_len = BIO_read(sbio, sbuf, BUFSIZZ);
1859 if (mbuf_len < 0) {
1860 BIO_printf(bio_err, "BIO_read failed\n");
1861 goto end;
1862 }
1863 }
1864 break;
1865 case PROTO_IMAP:
1866 {
1867 int foundit = 0;
1868 BIO *fbio = BIO_new(BIO_f_buffer());
1869 BIO_push(fbio, sbio);
1870 BIO_gets(fbio, mbuf, BUFSIZZ);
1871 /* STARTTLS command requires CAPABILITY... */
1872 BIO_printf(fbio, ". CAPABILITY\r\n");
1873 (void)BIO_flush(fbio);
1874 /* wait for multi-line CAPABILITY response */
1875 do {
1876 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1877 if (strstr(mbuf, "STARTTLS"))
1878 foundit = 1;
1879 }
1880 while (mbuf_len > 3 && mbuf[0] != '.');
1881 (void)BIO_flush(fbio);
1882 BIO_pop(fbio);
1883 BIO_free(fbio);
1884 if (!foundit)
1885 BIO_printf(bio_err,
1886 "didn't find STARTTLS in server response,"
1887 " trying anyway...\n");
1888 BIO_printf(sbio, ". STARTTLS\r\n");
1889 BIO_read(sbio, sbuf, BUFSIZZ);
1890 }
1891 break;
1892 case PROTO_FTP:
1893 {
1894 BIO *fbio = BIO_new(BIO_f_buffer());
1895 BIO_push(fbio, sbio);
1896 /* wait for multi-line response to end from FTP */
1897 do {
1898 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1899 }
1900 while (mbuf_len > 3 && mbuf[3] == '-');
1901 (void)BIO_flush(fbio);
1902 BIO_pop(fbio);
1903 BIO_free(fbio);
1904 BIO_printf(sbio, "AUTH TLS\r\n");
1905 BIO_read(sbio, sbuf, BUFSIZZ);
1906 }
1907 break;
1908 case PROTO_XMPP:
1909 case PROTO_XMPP_SERVER:
1910 {
1911 int seen = 0;
1912 BIO_printf(sbio, "<stream:stream "
1913 "xmlns:stream='http://etherx.jabber.org/streams' "
1914 "xmlns='jabber:%s' to='%s' version='1.0'>",
1915 starttls_proto == PROTO_XMPP ? "client" : "server",
1916 xmpphost ? xmpphost : host);
1917 seen = BIO_read(sbio, mbuf, BUFSIZZ);
1918 mbuf[seen] = 0;
1919 while (!strstr
1920 (mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")
1921 && !strstr(mbuf,
1922 "<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\""))
1923 {
1924 seen = BIO_read(sbio, mbuf, BUFSIZZ);
1925
1926 if (seen <= 0)
1927 goto shut;
1928
1929 mbuf[seen] = 0;
1930 }
1931 BIO_printf(sbio,
1932 "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
1933 seen = BIO_read(sbio, sbuf, BUFSIZZ);
1934 sbuf[seen] = 0;
1935 if (!strstr(sbuf, "<proceed"))
1936 goto shut;
1937 mbuf[0] = 0;
1938 }
1939 break;
1940 case PROTO_TELNET:
1941 {
1942 static const unsigned char tls_do[] = {
1943 /* IAC DO START_TLS */
1944 255, 253, 46
1945 };
1946 static const unsigned char tls_will[] = {
1947 /* IAC WILL START_TLS */
1948 255, 251, 46
1949 };
1950 static const unsigned char tls_follows[] = {
1951 /* IAC SB START_TLS FOLLOWS IAC SE */
1952 255, 250, 46, 1, 255, 240
1953 };
1954 int bytes;
1955
1956 /* Telnet server should demand we issue START_TLS */
1957 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
1958 if (bytes != 3 || memcmp(mbuf, tls_do, 3) != 0)
1959 goto shut;
1960 /* Agree to issue START_TLS and send the FOLLOWS sub-command */
1961 BIO_write(sbio, tls_will, 3);
1962 BIO_write(sbio, tls_follows, 6);
1963 (void)BIO_flush(sbio);
1964 /* Telnet server also sent the FOLLOWS sub-command */
1965 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
1966 if (bytes != 6 || memcmp(mbuf, tls_follows, 6) != 0)
1967 goto shut;
1968 }
1969 break;
1970 case PROTO_CONNECT:
1971 {
1972 int foundit = 0;
1973 BIO *fbio = BIO_new(BIO_f_buffer());
1974
1975 BIO_push(fbio, sbio);
1976 BIO_printf(fbio, "CONNECT %s HTTP/1.0\r\n\r\n", connectstr);
1977 (void)BIO_flush(fbio);
1978 /* wait for multi-line response to end CONNECT response */
1979 do {
1980 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1981 if (strstr(mbuf, "200") != NULL
1982 && strstr(mbuf, "established") != NULL)
1983 foundit++;
1984 } while (mbuf_len > 3 && foundit == 0);
1985 (void)BIO_flush(fbio);
1986 BIO_pop(fbio);
1987 BIO_free(fbio);
1988 if (!foundit) {
1989 BIO_printf(bio_err, "%s: HTTP CONNECT failed\n", prog);
1990 goto shut;
1991 }
1992 }
1993 break;
1994 case PROTO_IRC:
1995 {
1996 int numeric;
1997 BIO *fbio = BIO_new(BIO_f_buffer());
1998
1999 BIO_push(fbio, sbio);
2000 BIO_printf(fbio, "STARTTLS\r\n");
2001 (void)BIO_flush(fbio);
2002 width = SSL_get_fd(con) + 1;
2003
2004 do {
2005 numeric = 0;
2006
2007 FD_ZERO(&readfds);
2008 openssl_fdset(SSL_get_fd(con), &readfds);
2009 timeout.tv_sec = S_CLIENT_IRC_READ_TIMEOUT;
2010 timeout.tv_usec = 0;
2011 /*
2012 * If the IRCd doesn't respond within
2013 * S_CLIENT_IRC_READ_TIMEOUT seconds, assume
2014 * it doesn't support STARTTLS. Many IRCds
2015 * will not give _any_ sort of response to a
2016 * STARTTLS command when it's not supported.
2017 */
2018 if (!BIO_get_buffer_num_lines(fbio)
2019 && !BIO_pending(fbio)
2020 && !BIO_pending(sbio)
2021 && select(width, (void *)&readfds, NULL, NULL,
2022 &timeout) < 1) {
2023 BIO_printf(bio_err,
2024 "Timeout waiting for response (%d seconds).\n",
2025 S_CLIENT_IRC_READ_TIMEOUT);
2026 break;
2027 }
2028
2029 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2030 if (mbuf_len < 1 || sscanf(mbuf, "%*s %d", &numeric) != 1)
2031 break;
2032 /* :example.net 451 STARTTLS :You have not registered */
2033 /* :example.net 421 STARTTLS :Unknown command */
2034 if ((numeric == 451 || numeric == 421)
2035 && strstr(mbuf, "STARTTLS") != NULL) {
2036 BIO_printf(bio_err, "STARTTLS not supported: %s", mbuf);
2037 break;
2038 }
2039 if (numeric == 691) {
2040 BIO_printf(bio_err, "STARTTLS negotiation failed: ");
2041 ERR_print_errors(bio_err);
2042 break;
2043 }
2044 } while (numeric != 670);
2045
2046 (void)BIO_flush(fbio);
2047 BIO_pop(fbio);
2048 BIO_free(fbio);
2049 if (numeric != 670) {
2050 BIO_printf(bio_err, "Server does not support STARTTLS.\n");
2051 ret = 1;
2052 goto shut;
2053 }
2054 }
2055 }
2056
2057 for (;;) {
2058 FD_ZERO(&readfds);
2059 FD_ZERO(&writefds);
2060
2061 if ((SSL_version(con) == DTLS1_VERSION) &&
2062 DTLSv1_get_timeout(con, &timeout))
2063 timeoutp = &timeout;
2064 else
2065 timeoutp = NULL;
2066
2067 if (SSL_in_init(con) && !SSL_total_renegotiations(con)) {
2068 in_init = 1;
2069 tty_on = 0;
2070 } else {
2071 tty_on = 1;
2072 if (in_init) {
2073 in_init = 0;
2074
2075 if (servername != NULL && !SSL_session_reused(con)) {
2076 BIO_printf(bio_c_out,
2077 "Server did %sacknowledge servername extension.\n",
2078 tlsextcbp.ack ? "" : "not ");
2079 }
2080
2081 if (sess_out) {
2082 BIO *stmp = BIO_new_file(sess_out, "w");
2083 if (stmp) {
2084 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));
2085 BIO_free(stmp);
2086 } else
2087 BIO_printf(bio_err, "Error writing session file %s\n",
2088 sess_out);
2089 }
2090 if (c_brief) {
2091 BIO_puts(bio_err, "CONNECTION ESTABLISHED\n");
2092 print_ssl_summary(con);
2093 }
2094
2095 print_stuff(bio_c_out, con, full_log);
2096 if (full_log > 0)
2097 full_log--;
2098
2099 if (starttls_proto) {
2100 BIO_write(bio_err, mbuf, mbuf_len);
2101 /* We don't need to know any more */
2102 if (!reconnect)
2103 starttls_proto = PROTO_OFF;
2104 }
2105
2106 if (reconnect) {
2107 reconnect--;
2108 BIO_printf(bio_c_out,
2109 "drop connection and then reconnect\n");
2110 do_ssl_shutdown(con);
2111 SSL_set_connect_state(con);
2112 BIO_closesocket(SSL_get_fd(con));
2113 goto re_start;
2114 }
2115 }
2116 }
2117
2118 ssl_pending = read_ssl && SSL_has_pending(con);
2119
2120 if (!ssl_pending) {
2121 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
2122 if (tty_on) {
2123 if (read_tty)
2124 openssl_fdset(fileno(stdin), &readfds);
2125 if (write_tty)
2126 openssl_fdset(fileno(stdout), &writefds);
2127 }
2128 if (read_ssl)
2129 openssl_fdset(SSL_get_fd(con), &readfds);
2130 if (write_ssl)
2131 openssl_fdset(SSL_get_fd(con), &writefds);
2132 #else
2133 if (!tty_on || !write_tty) {
2134 if (read_ssl)
2135 openssl_fdset(SSL_get_fd(con), &readfds);
2136 if (write_ssl)
2137 openssl_fdset(SSL_get_fd(con), &writefds);
2138 }
2139 #endif
2140
2141 /*
2142 * Note: under VMS with SOCKETSHR the second parameter is
2143 * currently of type (int *) whereas under other systems it is
2144 * (void *) if you don't have a cast it will choke the compiler:
2145 * if you do have a cast then you can either go for (int *) or
2146 * (void *).
2147 */
2148 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2149 /*
2150 * Under Windows/DOS we make the assumption that we can always
2151 * write to the tty: therefore if we need to write to the tty we
2152 * just fall through. Otherwise we timeout the select every
2153 * second and see if there are any keypresses. Note: this is a
2154 * hack, in a proper Windows application we wouldn't do this.
2155 */
2156 i = 0;
2157 if (!write_tty) {
2158 if (read_tty) {
2159 tv.tv_sec = 1;
2160 tv.tv_usec = 0;
2161 i = select(width, (void *)&readfds, (void *)&writefds,
2162 NULL, &tv);
2163 if (!i && (!has_stdin_waiting() || !read_tty))
2164 continue;
2165 } else
2166 i = select(width, (void *)&readfds, (void *)&writefds,
2167 NULL, timeoutp);
2168 }
2169 #else
2170 i = select(width, (void *)&readfds, (void *)&writefds,
2171 NULL, timeoutp);
2172 #endif
2173 if (i < 0) {
2174 BIO_printf(bio_err, "bad select %d\n",
2175 get_last_socket_error());
2176 goto shut;
2177 /* goto end; */
2178 }
2179 }
2180
2181 if ((SSL_version(con) == DTLS1_VERSION)
2182 && DTLSv1_handle_timeout(con) > 0) {
2183 BIO_printf(bio_err, "TIMEOUT occurred\n");
2184 }
2185
2186 if (!ssl_pending && FD_ISSET(SSL_get_fd(con), &writefds)) {
2187 k = SSL_write(con, &(cbuf[cbuf_off]), (unsigned int)cbuf_len);
2188 switch (SSL_get_error(con, k)) {
2189 case SSL_ERROR_NONE:
2190 cbuf_off += k;
2191 cbuf_len -= k;
2192 if (k <= 0)
2193 goto end;
2194 /* we have done a write(con,NULL,0); */
2195 if (cbuf_len <= 0) {
2196 read_tty = 1;
2197 write_ssl = 0;
2198 } else { /* if (cbuf_len > 0) */
2199
2200 read_tty = 0;
2201 write_ssl = 1;
2202 }
2203 break;
2204 case SSL_ERROR_WANT_WRITE:
2205 BIO_printf(bio_c_out, "write W BLOCK\n");
2206 write_ssl = 1;
2207 read_tty = 0;
2208 break;
2209 case SSL_ERROR_WANT_ASYNC:
2210 BIO_printf(bio_c_out, "write A BLOCK\n");
2211 wait_for_async(con);
2212 write_ssl = 1;
2213 read_tty = 0;
2214 break;
2215 case SSL_ERROR_WANT_READ:
2216 BIO_printf(bio_c_out, "write R BLOCK\n");
2217 write_tty = 0;
2218 read_ssl = 1;
2219 write_ssl = 0;
2220 break;
2221 case SSL_ERROR_WANT_X509_LOOKUP:
2222 BIO_printf(bio_c_out, "write X BLOCK\n");
2223 break;
2224 case SSL_ERROR_ZERO_RETURN:
2225 if (cbuf_len != 0) {
2226 BIO_printf(bio_c_out, "shutdown\n");
2227 ret = 0;
2228 goto shut;
2229 } else {
2230 read_tty = 1;
2231 write_ssl = 0;
2232 break;
2233 }
2234
2235 case SSL_ERROR_SYSCALL:
2236 if ((k != 0) || (cbuf_len != 0)) {
2237 BIO_printf(bio_err, "write:errno=%d\n",
2238 get_last_socket_error());
2239 goto shut;
2240 } else {
2241 read_tty = 1;
2242 write_ssl = 0;
2243 }
2244 break;
2245 case SSL_ERROR_WANT_ASYNC_JOB:
2246 /* This shouldn't ever happen in s_client - treat as an error */
2247 case SSL_ERROR_SSL:
2248 ERR_print_errors(bio_err);
2249 goto shut;
2250 }
2251 }
2252 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2253 /* Assume Windows/DOS/BeOS can always write */
2254 else if (!ssl_pending && write_tty)
2255 #else
2256 else if (!ssl_pending && FD_ISSET(fileno(stdout), &writefds))
2257 #endif
2258 {
2259 #ifdef CHARSET_EBCDIC
2260 ascii2ebcdic(&(sbuf[sbuf_off]), &(sbuf[sbuf_off]), sbuf_len);
2261 #endif
2262 i = raw_write_stdout(&(sbuf[sbuf_off]), sbuf_len);
2263
2264 if (i <= 0) {
2265 BIO_printf(bio_c_out, "DONE\n");
2266 ret = 0;
2267 goto shut;
2268 /* goto end; */
2269 }
2270
2271 sbuf_len -= i;;
2272 sbuf_off += i;
2273 if (sbuf_len <= 0) {
2274 read_ssl = 1;
2275 write_tty = 0;
2276 }
2277 } else if (ssl_pending || FD_ISSET(SSL_get_fd(con), &readfds)) {
2278 #ifdef RENEG
2279 {
2280 static int iiii;
2281 if (++iiii == 52) {
2282 SSL_renegotiate(con);
2283 iiii = 0;
2284 }
2285 }
2286 #endif
2287 k = SSL_read(con, sbuf, 1024 /* BUFSIZZ */ );
2288
2289 switch (SSL_get_error(con, k)) {
2290 case SSL_ERROR_NONE:
2291 if (k <= 0)
2292 goto end;
2293 sbuf_off = 0;
2294 sbuf_len = k;
2295
2296 read_ssl = 0;
2297 write_tty = 1;
2298 break;
2299 case SSL_ERROR_WANT_ASYNC:
2300 BIO_printf(bio_c_out, "read A BLOCK\n");
2301 wait_for_async(con);
2302 write_tty = 0;
2303 read_ssl = 1;
2304 if ((read_tty == 0) && (write_ssl == 0))
2305 write_ssl = 1;
2306 break;
2307 case SSL_ERROR_WANT_WRITE:
2308 BIO_printf(bio_c_out, "read W BLOCK\n");
2309 write_ssl = 1;
2310 read_tty = 0;
2311 break;
2312 case SSL_ERROR_WANT_READ:
2313 BIO_printf(bio_c_out, "read R BLOCK\n");
2314 write_tty = 0;
2315 read_ssl = 1;
2316 if ((read_tty == 0) && (write_ssl == 0))
2317 write_ssl = 1;
2318 break;
2319 case SSL_ERROR_WANT_X509_LOOKUP:
2320 BIO_printf(bio_c_out, "read X BLOCK\n");
2321 break;
2322 case SSL_ERROR_SYSCALL:
2323 ret = get_last_socket_error();
2324 if (c_brief)
2325 BIO_puts(bio_err, "CONNECTION CLOSED BY SERVER\n");
2326 else
2327 BIO_printf(bio_err, "read:errno=%d\n", ret);
2328 goto shut;
2329 case SSL_ERROR_ZERO_RETURN:
2330 BIO_printf(bio_c_out, "closed\n");
2331 ret = 0;
2332 goto shut;
2333 case SSL_ERROR_WANT_ASYNC_JOB:
2334 /* This shouldn't ever happen in s_client. Treat as an error */
2335 case SSL_ERROR_SSL:
2336 ERR_print_errors(bio_err);
2337 goto shut;
2338 /* break; */
2339 }
2340 }
2341 /* OPENSSL_SYS_MSDOS includes OPENSSL_SYS_WINDOWS */
2342 #if defined(OPENSSL_SYS_MSDOS)
2343 else if (has_stdin_waiting())
2344 #else
2345 else if (FD_ISSET(fileno(stdin), &readfds))
2346 #endif
2347 {
2348 if (crlf) {
2349 int j, lf_num;
2350
2351 i = raw_read_stdin(cbuf, BUFSIZZ / 2);
2352 lf_num = 0;
2353 /* both loops are skipped when i <= 0 */
2354 for (j = 0; j < i; j++)
2355 if (cbuf[j] == '\n')
2356 lf_num++;
2357 for (j = i - 1; j >= 0; j--) {
2358 cbuf[j + lf_num] = cbuf[j];
2359 if (cbuf[j] == '\n') {
2360 lf_num--;
2361 i++;
2362 cbuf[j + lf_num] = '\r';
2363 }
2364 }
2365 assert(lf_num == 0);
2366 } else
2367 i = raw_read_stdin(cbuf, BUFSIZZ);
2368
2369 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q' && cmdletters))) {
2370 BIO_printf(bio_err, "DONE\n");
2371 ret = 0;
2372 goto shut;
2373 }
2374
2375 if ((!c_ign_eof) && (cbuf[0] == 'R' && cmdletters)) {
2376 BIO_printf(bio_err, "RENEGOTIATING\n");
2377 SSL_renegotiate(con);
2378 cbuf_len = 0;
2379 }
2380 #ifndef OPENSSL_NO_HEARTBEATS
2381 else if ((!c_ign_eof) && (cbuf[0] == 'B' && cmdletters)) {
2382 BIO_printf(bio_err, "HEARTBEATING\n");
2383 SSL_heartbeat(con);
2384 cbuf_len = 0;
2385 }
2386 #endif
2387 else {
2388 cbuf_len = i;
2389 cbuf_off = 0;
2390 #ifdef CHARSET_EBCDIC
2391 ebcdic2ascii(cbuf, cbuf, i);
2392 #endif
2393 }
2394
2395 write_ssl = 1;
2396 read_tty = 0;
2397 }
2398 }
2399
2400 ret = 0;
2401 shut:
2402 if (in_init)
2403 print_stuff(bio_c_out, con, full_log);
2404 do_ssl_shutdown(con);
2405 #if defined(OPENSSL_SYS_WINDOWS)
2406 /*
2407 * Give the socket time to send its last data before we close it.
2408 * No amount of setting SO_LINGER etc on the socket seems to persuade
2409 * Windows to send the data before closing the socket...but sleeping
2410 * for a short time seems to do it (units in ms)
2411 * TODO: Find a better way to do this
2412 */
2413 Sleep(50);
2414 #endif
2415 BIO_closesocket(SSL_get_fd(con));
2416 end:
2417 if (con != NULL) {
2418 if (prexit != 0)
2419 print_stuff(bio_c_out, con, 1);
2420 SSL_free(con);
2421 }
2422 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2423 OPENSSL_free(next_proto.data);
2424 #endif
2425 SSL_CTX_free(ctx);
2426 X509_free(cert);
2427 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2428 EVP_PKEY_free(key);
2429 sk_X509_pop_free(chain, X509_free);
2430 OPENSSL_free(pass);
2431 #ifndef OPENSSL_NO_SRP
2432 OPENSSL_free(srp_arg.srppassin);
2433 #endif
2434 OPENSSL_free(host);
2435 OPENSSL_free(port);
2436 X509_VERIFY_PARAM_free(vpm);
2437 ssl_excert_free(exc);
2438 sk_OPENSSL_STRING_free(ssl_args);
2439 sk_OPENSSL_STRING_free(dane_tlsa_rrset);
2440 SSL_CONF_CTX_free(cctx);
2441 OPENSSL_clear_free(cbuf, BUFSIZZ);
2442 OPENSSL_clear_free(sbuf, BUFSIZZ);
2443 OPENSSL_clear_free(mbuf, BUFSIZZ);
2444 BIO_free(bio_c_out);
2445 bio_c_out = NULL;
2446 BIO_free(bio_c_msg);
2447 bio_c_msg = NULL;
2448 return (ret);
2449 }
2450
2451 static void print_stuff(BIO *bio, SSL *s, int full)
2452 {
2453 X509 *peer = NULL;
2454 char buf[BUFSIZ];
2455 STACK_OF(X509) *sk;
2456 STACK_OF(X509_NAME) *sk2;
2457 const SSL_CIPHER *c;
2458 X509_NAME *xn;
2459 int i;
2460 #ifndef OPENSSL_NO_COMP
2461 const COMP_METHOD *comp, *expansion;
2462 #endif
2463 unsigned char *exportedkeymat;
2464 #ifndef OPENSSL_NO_CT
2465 const SSL_CTX *ctx = SSL_get_SSL_CTX(s);
2466 #endif
2467
2468 if (full) {
2469 int got_a_chain = 0;
2470
2471 sk = SSL_get_peer_cert_chain(s);
2472 if (sk != NULL) {
2473 got_a_chain = 1;
2474
2475 BIO_printf(bio, "---\nCertificate chain\n");
2476 for (i = 0; i < sk_X509_num(sk); i++) {
2477 X509_NAME_oneline(X509_get_subject_name(sk_X509_value(sk, i)),
2478 buf, sizeof buf);
2479 BIO_printf(bio, "%2d s:%s\n", i, buf);
2480 X509_NAME_oneline(X509_get_issuer_name(sk_X509_value(sk, i)),
2481 buf, sizeof buf);
2482 BIO_printf(bio, " i:%s\n", buf);
2483 if (c_showcerts)
2484 PEM_write_bio_X509(bio, sk_X509_value(sk, i));
2485 }
2486 }
2487
2488 BIO_printf(bio, "---\n");
2489 peer = SSL_get_peer_certificate(s);
2490 if (peer != NULL) {
2491 BIO_printf(bio, "Server certificate\n");
2492
2493 /* Redundant if we showed the whole chain */
2494 if (!(c_showcerts && got_a_chain))
2495 PEM_write_bio_X509(bio, peer);
2496 X509_NAME_oneline(X509_get_subject_name(peer), buf, sizeof buf);
2497 BIO_printf(bio, "subject=%s\n", buf);
2498 X509_NAME_oneline(X509_get_issuer_name(peer), buf, sizeof buf);
2499 BIO_printf(bio, "issuer=%s\n", buf);
2500 } else
2501 BIO_printf(bio, "no peer certificate available\n");
2502
2503 sk2 = SSL_get_client_CA_list(s);
2504 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0)) {
2505 BIO_printf(bio, "---\nAcceptable client certificate CA names\n");
2506 for (i = 0; i < sk_X509_NAME_num(sk2); i++) {
2507 xn = sk_X509_NAME_value(sk2, i);
2508 X509_NAME_oneline(xn, buf, sizeof(buf));
2509 BIO_write(bio, buf, strlen(buf));
2510 BIO_write(bio, "\n", 1);
2511 }
2512 } else {
2513 BIO_printf(bio, "---\nNo client certificate CA names sent\n");
2514 }
2515
2516 ssl_print_sigalgs(bio, s);
2517 ssl_print_tmp_key(bio, s);
2518
2519 #ifndef OPENSSL_NO_CT
2520 /*
2521 * When the SSL session is anonymous, or resumed via an abbreviated
2522 * handshake, no SCTs are provided as part of the handshake. While in
2523 * a resumed session SCTs may be present in the session's certificate,
2524 * no callbacks are invoked to revalidate these, and in any case that
2525 * set of SCTs may be incomplete. Thus it makes little sense to
2526 * attempt to display SCTs from a resumed session's certificate, and of
2527 * course none are associated with an anonymous peer.
2528 */
2529 if (peer != NULL && !SSL_session_reused(s) && SSL_ct_is_enabled(s)) {
2530 const STACK_OF(SCT) *scts = SSL_get0_peer_scts(s);
2531 int sct_count = scts != NULL ? sk_SCT_num(scts) : 0;
2532
2533 BIO_printf(bio, "---\nSCTs present (%i)\n", sct_count);
2534 if (sct_count > 0) {
2535 const CTLOG_STORE *log_store = SSL_CTX_get0_ctlog_store(ctx);
2536
2537 BIO_printf(bio, "---\n");
2538 for (i = 0; i < sct_count; ++i) {
2539 SCT *sct = sk_SCT_value(scts, i);
2540
2541 BIO_printf(bio, "SCT validation status: %s\n",
2542 SCT_validation_status_string(sct));
2543 SCT_print(sct, bio, 0, log_store);
2544 if (i < sct_count - 1)
2545 BIO_printf(bio, "\n---\n");
2546 }
2547 BIO_printf(bio, "\n");
2548 }
2549 }
2550 #endif
2551
2552 BIO_printf(bio,
2553 "---\nSSL handshake has read %"PRIu64" bytes and written %"PRIu64" bytes\n",
2554 BIO_number_read(SSL_get_rbio(s)),
2555 BIO_number_written(SSL_get_wbio(s)));
2556 }
2557 print_verify_detail(s, bio);
2558 BIO_printf(bio, (SSL_session_reused(s) ? "---\nReused, " : "---\nNew, "));
2559 c = SSL_get_current_cipher(s);
2560 BIO_printf(bio, "%s, Cipher is %s\n",
2561 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
2562 if (peer != NULL) {
2563 EVP_PKEY *pktmp;
2564
2565 pktmp = X509_get0_pubkey(peer);
2566 BIO_printf(bio, "Server public key is %d bit\n",
2567 EVP_PKEY_bits(pktmp));
2568 }
2569 BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
2570 SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
2571 #ifndef OPENSSL_NO_COMP
2572 comp = SSL_get_current_compression(s);
2573 expansion = SSL_get_current_expansion(s);
2574 BIO_printf(bio, "Compression: %s\n",
2575 comp ? SSL_COMP_get_name(comp) : "NONE");
2576 BIO_printf(bio, "Expansion: %s\n",
2577 expansion ? SSL_COMP_get_name(expansion) : "NONE");
2578 #endif
2579
2580 #ifdef SSL_DEBUG
2581 {
2582 /* Print out local port of connection: useful for debugging */
2583 int sock;
2584 struct sockaddr_in ladd;
2585 socklen_t ladd_size = sizeof(ladd);
2586 sock = SSL_get_fd(s);
2587 getsockname(sock, (struct sockaddr *)&ladd, &ladd_size);
2588 BIO_printf(bio_c_out, "LOCAL PORT is %u\n", ntohs(ladd.sin_port));
2589 }
2590 #endif
2591
2592 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2593 if (next_proto.status != -1) {
2594 const unsigned char *proto;
2595 unsigned int proto_len;
2596 SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
2597 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
2598 BIO_write(bio, proto, proto_len);
2599 BIO_write(bio, "\n", 1);
2600 }
2601 #endif
2602 {
2603 const unsigned char *proto;
2604 unsigned int proto_len;
2605 SSL_get0_alpn_selected(s, &proto, &proto_len);
2606 if (proto_len > 0) {
2607 BIO_printf(bio, "ALPN protocol: ");
2608 BIO_write(bio, proto, proto_len);
2609 BIO_write(bio, "\n", 1);
2610 } else
2611 BIO_printf(bio, "No ALPN negotiated\n");
2612 }
2613
2614 #ifndef OPENSSL_NO_SRTP
2615 {
2616 SRTP_PROTECTION_PROFILE *srtp_profile =
2617 SSL_get_selected_srtp_profile(s);
2618
2619 if (srtp_profile)
2620 BIO_printf(bio, "SRTP Extension negotiated, profile=%s\n",
2621 srtp_profile->name);
2622 }
2623 #endif
2624
2625 SSL_SESSION_print(bio, SSL_get_session(s));
2626 if (keymatexportlabel != NULL) {
2627 BIO_printf(bio, "Keying material exporter:\n");
2628 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel);
2629 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen);
2630 exportedkeymat = app_malloc(keymatexportlen, "export key");
2631 if (!SSL_export_keying_material(s, exportedkeymat,
2632 keymatexportlen,
2633 keymatexportlabel,
2634 strlen(keymatexportlabel),
2635 NULL, 0, 0)) {
2636 BIO_printf(bio, " Error\n");
2637 } else {
2638 BIO_printf(bio, " Keying material: ");
2639 for (i = 0; i < keymatexportlen; i++)
2640 BIO_printf(bio, "%02X", exportedkeymat[i]);
2641 BIO_printf(bio, "\n");
2642 }
2643 OPENSSL_free(exportedkeymat);
2644 }
2645 BIO_printf(bio, "---\n");
2646 X509_free(peer);
2647 /* flush, or debugging output gets mixed with http response */
2648 (void)BIO_flush(bio);
2649 }
2650
2651 # ifndef OPENSSL_NO_OCSP
2652 static int ocsp_resp_cb(SSL *s, void *arg)
2653 {
2654 const unsigned char *p;
2655 int len;
2656 OCSP_RESPONSE *rsp;
2657 len = SSL_get_tlsext_status_ocsp_resp(s, &p);
2658 BIO_puts(arg, "OCSP response: ");
2659 if (!p) {
2660 BIO_puts(arg, "no response sent\n");
2661 return 1;
2662 }
2663 rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
2664 if (!rsp) {
2665 BIO_puts(arg, "response parse error\n");
2666 BIO_dump_indent(arg, (char *)p, len, 4);
2667 return 0;
2668 }
2669 BIO_puts(arg, "\n======================================\n");
2670 OCSP_RESPONSE_print(arg, rsp, 0);
2671 BIO_puts(arg, "======================================\n");
2672 OCSP_RESPONSE_free(rsp);
2673 return 1;
2674 }
2675 # endif
2676
2677 #endif
Mirror of https://github.com/openssl/openssl.git