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Added mysql as starttls protocol.
[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 static char *prog;
87 static int c_debug = 0;
88 static int c_showcerts = 0;
89 static char *keymatexportlabel = NULL;
90 static int keymatexportlen = 20;
91 static BIO *bio_c_out = NULL;
92 static int c_quiet = 0;
93 static char *sess_out = NULL;
94
95 static void print_stuff(BIO *berr, SSL *con, int full);
96 #ifndef OPENSSL_NO_OCSP
97 static int ocsp_resp_cb(SSL *s, void *arg);
98 #endif
99 static int ldap_ExtendedResponse_parse(const char *buf, long rem);
100
101 static int saved_errno;
102
103 static void save_errno(void)
104 {
105 saved_errno = errno;
106 errno = 0;
107 }
108
109 static int restore_errno(void)
110 {
111 int ret = errno;
112 errno = saved_errno;
113 return ret;
114 }
115
116 static void do_ssl_shutdown(SSL *ssl)
117 {
118 int ret;
119
120 do {
121 /* We only do unidirectional shutdown */
122 ret = SSL_shutdown(ssl);
123 if (ret < 0) {
124 switch (SSL_get_error(ssl, ret)) {
125 case SSL_ERROR_WANT_READ:
126 case SSL_ERROR_WANT_WRITE:
127 case SSL_ERROR_WANT_ASYNC:
128 case SSL_ERROR_WANT_ASYNC_JOB:
129 /* We just do busy waiting. Nothing clever */
130 continue;
131 }
132 ret = 0;
133 }
134 } while (ret < 0);
135 }
136
137 #ifndef OPENSSL_NO_PSK
138 /* Default PSK identity and key */
139 static char *psk_identity = "Client_identity";
140
141 static unsigned int psk_client_cb(SSL *ssl, const char *hint, char *identity,
142 unsigned int max_identity_len,
143 unsigned char *psk,
144 unsigned int max_psk_len)
145 {
146 int ret;
147 long key_len;
148 unsigned char *key;
149
150 if (c_debug)
151 BIO_printf(bio_c_out, "psk_client_cb\n");
152 if (!hint) {
153 /* no ServerKeyExchange message */
154 if (c_debug)
155 BIO_printf(bio_c_out,
156 "NULL received PSK identity hint, continuing anyway\n");
157 } else if (c_debug)
158 BIO_printf(bio_c_out, "Received PSK identity hint '%s'\n", hint);
159
160 /*
161 * lookup PSK identity and PSK key based on the given identity hint here
162 */
163 ret = BIO_snprintf(identity, max_identity_len, "%s", psk_identity);
164 if (ret < 0 || (unsigned int)ret > max_identity_len)
165 goto out_err;
166 if (c_debug)
167 BIO_printf(bio_c_out, "created identity '%s' len=%d\n", identity,
168 ret);
169
170 /* convert the PSK key to binary */
171 key = OPENSSL_hexstr2buf(psk_key, &key_len);
172 if (key == NULL) {
173 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n",
174 psk_key);
175 return 0;
176 }
177 if (max_psk_len > INT_MAX || key_len > (long)max_psk_len) {
178 BIO_printf(bio_err,
179 "psk buffer of callback is too small (%d) for key (%ld)\n",
180 max_psk_len, key_len);
181 OPENSSL_free(key);
182 return 0;
183 }
184
185 memcpy(psk, key, key_len);
186 OPENSSL_free(key);
187
188 if (c_debug)
189 BIO_printf(bio_c_out, "created PSK len=%ld\n", key_len);
190
191 return key_len;
192 out_err:
193 if (c_debug)
194 BIO_printf(bio_err, "Error in PSK client callback\n");
195 return 0;
196 }
197 #endif
198
199 /* This is a context that we pass to callbacks */
200 typedef struct tlsextctx_st {
201 BIO *biodebug;
202 int ack;
203 } tlsextctx;
204
205 static int ssl_servername_cb(SSL *s, int *ad, void *arg)
206 {
207 tlsextctx *p = (tlsextctx *) arg;
208 const char *hn = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
209 if (SSL_get_servername_type(s) != -1)
210 p->ack = !SSL_session_reused(s) && hn != NULL;
211 else
212 BIO_printf(bio_err, "Can't use SSL_get_servername\n");
213
214 return SSL_TLSEXT_ERR_OK;
215 }
216
217 #ifndef OPENSSL_NO_SRP
218
219 /* This is a context that we pass to all callbacks */
220 typedef struct srp_arg_st {
221 char *srppassin;
222 char *srplogin;
223 int msg; /* copy from c_msg */
224 int debug; /* copy from c_debug */
225 int amp; /* allow more groups */
226 int strength; /* minimal size for N */
227 } SRP_ARG;
228
229 # define SRP_NUMBER_ITERATIONS_FOR_PRIME 64
230
231 static int srp_Verify_N_and_g(const BIGNUM *N, const BIGNUM *g)
232 {
233 BN_CTX *bn_ctx = BN_CTX_new();
234 BIGNUM *p = BN_new();
235 BIGNUM *r = BN_new();
236 int ret =
237 g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) &&
238 BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) == 1 &&
239 p != NULL && BN_rshift1(p, N) &&
240 /* p = (N-1)/2 */
241 BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) == 1 &&
242 r != NULL &&
243 /* verify g^((N-1)/2) == -1 (mod N) */
244 BN_mod_exp(r, g, p, N, bn_ctx) &&
245 BN_add_word(r, 1) && BN_cmp(r, N) == 0;
246
247 BN_free(r);
248 BN_free(p);
249 BN_CTX_free(bn_ctx);
250 return ret;
251 }
252
253 /*-
254 * This callback is used here for two purposes:
255 * - extended debugging
256 * - making some primality tests for unknown groups
257 * The callback is only called for a non default group.
258 *
259 * An application does not need the call back at all if
260 * only the standard groups are used. In real life situations,
261 * client and server already share well known groups,
262 * thus there is no need to verify them.
263 * Furthermore, in case that a server actually proposes a group that
264 * is not one of those defined in RFC 5054, it is more appropriate
265 * to add the group to a static list and then compare since
266 * primality tests are rather cpu consuming.
267 */
268
269 static int ssl_srp_verify_param_cb(SSL *s, void *arg)
270 {
271 SRP_ARG *srp_arg = (SRP_ARG *)arg;
272 BIGNUM *N = NULL, *g = NULL;
273
274 if (((N = SSL_get_srp_N(s)) == NULL) || ((g = SSL_get_srp_g(s)) == NULL))
275 return 0;
276 if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1) {
277 BIO_printf(bio_err, "SRP parameters:\n");
278 BIO_printf(bio_err, "\tN=");
279 BN_print(bio_err, N);
280 BIO_printf(bio_err, "\n\tg=");
281 BN_print(bio_err, g);
282 BIO_printf(bio_err, "\n");
283 }
284
285 if (SRP_check_known_gN_param(g, N))
286 return 1;
287
288 if (srp_arg->amp == 1) {
289 if (srp_arg->debug)
290 BIO_printf(bio_err,
291 "SRP param N and g are not known params, going to check deeper.\n");
292
293 /*
294 * The srp_moregroups is a real debugging feature. Implementors
295 * should rather add the value to the known ones. The minimal size
296 * has already been tested.
297 */
298 if (BN_num_bits(g) <= BN_BITS && srp_Verify_N_and_g(N, g))
299 return 1;
300 }
301 BIO_printf(bio_err, "SRP param N and g rejected.\n");
302 return 0;
303 }
304
305 # define PWD_STRLEN 1024
306
307 static char *ssl_give_srp_client_pwd_cb(SSL *s, void *arg)
308 {
309 SRP_ARG *srp_arg = (SRP_ARG *)arg;
310 char *pass = app_malloc(PWD_STRLEN + 1, "SRP password buffer");
311 PW_CB_DATA cb_tmp;
312 int l;
313
314 cb_tmp.password = (char *)srp_arg->srppassin;
315 cb_tmp.prompt_info = "SRP user";
316 if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp)) < 0) {
317 BIO_printf(bio_err, "Can't read Password\n");
318 OPENSSL_free(pass);
319 return NULL;
320 }
321 *(pass + l) = '\0';
322
323 return pass;
324 }
325
326 #endif
327
328 static char *srtp_profiles = NULL;
329
330 #ifndef OPENSSL_NO_NEXTPROTONEG
331 /* This the context that we pass to next_proto_cb */
332 typedef struct tlsextnextprotoctx_st {
333 unsigned char *data;
334 size_t len;
335 int status;
336 } tlsextnextprotoctx;
337
338 static tlsextnextprotoctx next_proto;
339
340 static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen,
341 const unsigned char *in, unsigned int inlen,
342 void *arg)
343 {
344 tlsextnextprotoctx *ctx = arg;
345
346 if (!c_quiet) {
347 /* We can assume that |in| is syntactically valid. */
348 unsigned i;
349 BIO_printf(bio_c_out, "Protocols advertised by server: ");
350 for (i = 0; i < inlen;) {
351 if (i)
352 BIO_write(bio_c_out, ", ", 2);
353 BIO_write(bio_c_out, &in[i + 1], in[i]);
354 i += in[i] + 1;
355 }
356 BIO_write(bio_c_out, "\n", 1);
357 }
358
359 ctx->status =
360 SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len);
361 return SSL_TLSEXT_ERR_OK;
362 }
363 #endif /* ndef OPENSSL_NO_NEXTPROTONEG */
364
365 static int serverinfo_cli_parse_cb(SSL *s, unsigned int ext_type,
366 const unsigned char *in, size_t inlen,
367 int *al, void *arg)
368 {
369 char pem_name[100];
370 unsigned char ext_buf[4 + 65536];
371
372 /* Reconstruct the type/len fields prior to extension data */
373 ext_buf[0] = ext_type >> 8;
374 ext_buf[1] = ext_type & 0xFF;
375 ext_buf[2] = inlen >> 8;
376 ext_buf[3] = inlen & 0xFF;
377 memcpy(ext_buf + 4, in, inlen);
378
379 BIO_snprintf(pem_name, sizeof(pem_name), "SERVERINFO FOR EXTENSION %d",
380 ext_type);
381 PEM_write_bio(bio_c_out, pem_name, "", ext_buf, 4 + inlen);
382 return 1;
383 }
384
385 /*
386 * Hex decoder that tolerates optional whitespace. Returns number of bytes
387 * produced, advances inptr to end of input string.
388 */
389 static ossl_ssize_t hexdecode(const char **inptr, void *result)
390 {
391 unsigned char **out = (unsigned char **)result;
392 const char *in = *inptr;
393 unsigned char *ret = app_malloc(strlen(in) / 2, "hexdecode");
394 unsigned char *cp = ret;
395 uint8_t byte;
396 int nibble = 0;
397
398 if (ret == NULL)
399 return -1;
400
401 for (byte = 0; *in; ++in) {
402 int x;
403
404 if (isspace(_UC(*in)))
405 continue;
406 x = OPENSSL_hexchar2int(*in);
407 if (x < 0) {
408 OPENSSL_free(ret);
409 return 0;
410 }
411 byte |= (char)x;
412 if ((nibble ^= 1) == 0) {
413 *cp++ = byte;
414 byte = 0;
415 } else {
416 byte <<= 4;
417 }
418 }
419 if (nibble != 0) {
420 OPENSSL_free(ret);
421 return 0;
422 }
423 *inptr = in;
424
425 return cp - (*out = ret);
426 }
427
428 /*
429 * Decode unsigned 0..255, returns 1 on success, <= 0 on failure. Advances
430 * inptr to next field skipping leading whitespace.
431 */
432 static ossl_ssize_t checked_uint8(const char **inptr, void *out)
433 {
434 uint8_t *result = (uint8_t *)out;
435 const char *in = *inptr;
436 char *endp;
437 long v;
438 int e;
439
440 save_errno();
441 v = strtol(in, &endp, 10);
442 e = restore_errno();
443
444 if (((v == LONG_MIN || v == LONG_MAX) && e == ERANGE) ||
445 endp == in || !isspace(_UC(*endp)) ||
446 v != (*result = (uint8_t) v)) {
447 return -1;
448 }
449 for (in = endp; isspace(_UC(*in)); ++in)
450 continue;
451
452 *inptr = in;
453 return 1;
454 }
455
456 struct tlsa_field {
457 void *var;
458 const char *name;
459 ossl_ssize_t (*parser)(const char **, void *);
460 };
461
462 static int tlsa_import_rr(SSL *con, const char *rrdata)
463 {
464 /* Not necessary to re-init these values; the "parsers" do that. */
465 static uint8_t usage;
466 static uint8_t selector;
467 static uint8_t mtype;
468 static unsigned char *data;
469 static struct tlsa_field tlsa_fields[] = {
470 { &usage, "usage", checked_uint8 },
471 { &selector, "selector", checked_uint8 },
472 { &mtype, "mtype", checked_uint8 },
473 { &data, "data", hexdecode },
474 { NULL, }
475 };
476 struct tlsa_field *f;
477 int ret;
478 const char *cp = rrdata;
479 ossl_ssize_t len = 0;
480
481 for (f = tlsa_fields; f->var; ++f) {
482 /* Returns number of bytes produced, advances cp to next field */
483 if ((len = f->parser(&cp, f->var)) <= 0) {
484 BIO_printf(bio_err, "%s: warning: bad TLSA %s field in: %s\n",
485 prog, f->name, rrdata);
486 return 0;
487 }
488 }
489 /* The data field is last, so len is its length */
490 ret = SSL_dane_tlsa_add(con, usage, selector, mtype, data, len);
491 OPENSSL_free(data);
492
493 if (ret == 0) {
494 ERR_print_errors(bio_err);
495 BIO_printf(bio_err, "%s: warning: unusable TLSA rrdata: %s\n",
496 prog, rrdata);
497 return 0;
498 }
499 if (ret < 0) {
500 ERR_print_errors(bio_err);
501 BIO_printf(bio_err, "%s: warning: error loading TLSA rrdata: %s\n",
502 prog, rrdata);
503 return 0;
504 }
505 return ret;
506 }
507
508 static int tlsa_import_rrset(SSL *con, STACK_OF(OPENSSL_STRING) *rrset)
509 {
510 int num = sk_OPENSSL_STRING_num(rrset);
511 int count = 0;
512 int i;
513
514 for (i = 0; i < num; ++i) {
515 char *rrdata = sk_OPENSSL_STRING_value(rrset, i);
516 if (tlsa_import_rr(con, rrdata) > 0)
517 ++count;
518 }
519 return count > 0;
520 }
521
522 typedef enum OPTION_choice {
523 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
524 OPT_4, OPT_6, OPT_HOST, OPT_PORT, OPT_CONNECT, OPT_UNIX,
525 OPT_XMPPHOST, OPT_VERIFY, OPT_NAMEOPT,
526 OPT_CERT, OPT_CRL, OPT_CRL_DOWNLOAD, OPT_SESS_OUT, OPT_SESS_IN,
527 OPT_CERTFORM, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET,
528 OPT_BRIEF, OPT_PREXIT, OPT_CRLF, OPT_QUIET, OPT_NBIO,
529 OPT_SSL_CLIENT_ENGINE, OPT_RAND, OPT_IGN_EOF, OPT_NO_IGN_EOF,
530 OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_WDEBUG,
531 OPT_MSG, OPT_MSGFILE, OPT_ENGINE, OPT_TRACE, OPT_SECURITY_DEBUG,
532 OPT_SECURITY_DEBUG_VERBOSE, OPT_SHOWCERTS, OPT_NBIO_TEST, OPT_STATE,
533 #ifndef OPENSSL_NO_PSK
534 OPT_PSK_IDENTITY, OPT_PSK,
535 #endif
536 #ifndef OPENSSL_NO_SRP
537 OPT_SRPUSER, OPT_SRPPASS, OPT_SRP_STRENGTH, OPT_SRP_LATEUSER,
538 OPT_SRP_MOREGROUPS,
539 #endif
540 OPT_SSL3, OPT_SSL_CONFIG,
541 OPT_TLS1_3, OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1,
542 OPT_DTLS1_2, OPT_SCTP, OPT_TIMEOUT, OPT_MTU, OPT_KEYFORM, OPT_PASS,
543 OPT_CERT_CHAIN, OPT_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH,
544 OPT_KEY, OPT_RECONNECT, OPT_BUILD_CHAIN, OPT_CAFILE, OPT_NOCAFILE,
545 OPT_CHAINCAFILE, OPT_VERIFYCAFILE, OPT_NEXTPROTONEG, OPT_ALPN,
546 OPT_SERVERINFO, OPT_STARTTLS, OPT_SERVERNAME, OPT_NOSERVERNAME, OPT_ASYNC,
547 OPT_USE_SRTP, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN, OPT_SMTPHOST,
548 OPT_MAX_SEND_FRAG, OPT_SPLIT_SEND_FRAG, OPT_MAX_PIPELINES, OPT_READ_BUF,
549 OPT_KEYLOG_FILE, OPT_EARLY_DATA, OPT_REQCAFILE,
550 OPT_V_ENUM,
551 OPT_X_ENUM,
552 OPT_S_ENUM,
553 OPT_FALLBACKSCSV, OPT_NOCMDS, OPT_PROXY, OPT_DANE_TLSA_DOMAIN,
554 #ifndef OPENSSL_NO_CT
555 OPT_CT, OPT_NOCT, OPT_CTLOG_FILE,
556 #endif
557 OPT_DANE_TLSA_RRDATA, OPT_DANE_EE_NO_NAME
558 } OPTION_CHOICE;
559
560 const OPTIONS s_client_options[] = {
561 {"help", OPT_HELP, '-', "Display this summary"},
562 {"host", OPT_HOST, 's', "Use -connect instead"},
563 {"port", OPT_PORT, 'p', "Use -connect instead"},
564 {"connect", OPT_CONNECT, 's',
565 "TCP/IP where to connect (default is :" PORT ")"},
566 {"proxy", OPT_PROXY, 's',
567 "Connect to via specified proxy to the real server"},
568 #ifdef AF_UNIX
569 {"unix", OPT_UNIX, 's', "Connect over the specified Unix-domain socket"},
570 #endif
571 {"4", OPT_4, '-', "Use IPv4 only"},
572 #ifdef AF_INET6
573 {"6", OPT_6, '-', "Use IPv6 only"},
574 #endif
575 {"verify", OPT_VERIFY, 'p', "Turn on peer certificate verification"},
576 {"cert", OPT_CERT, '<', "Certificate file to use, PEM format assumed"},
577 {"certform", OPT_CERTFORM, 'F',
578 "Certificate format (PEM or DER) PEM default"},
579 {"nameopt", OPT_NAMEOPT, 's', "Various certificate name options"},
580 {"key", OPT_KEY, 's', "Private key file to use, if not in -cert file"},
581 {"keyform", OPT_KEYFORM, 'E', "Key format (PEM, DER or engine) PEM default"},
582 {"pass", OPT_PASS, 's', "Private key file pass phrase source"},
583 {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
584 {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
585 {"no-CAfile", OPT_NOCAFILE, '-',
586 "Do not load the default certificates file"},
587 {"no-CApath", OPT_NOCAPATH, '-',
588 "Do not load certificates from the default certificates directory"},
589 {"requestCAfile", OPT_REQCAFILE, '<',
590 "PEM format file of CA names to send to the server"},
591 {"dane_tlsa_domain", OPT_DANE_TLSA_DOMAIN, 's', "DANE TLSA base domain"},
592 {"dane_tlsa_rrdata", OPT_DANE_TLSA_RRDATA, 's',
593 "DANE TLSA rrdata presentation form"},
594 {"dane_ee_no_namechecks", OPT_DANE_EE_NO_NAME, '-',
595 "Disable name checks when matching DANE-EE(3) TLSA records"},
596 {"reconnect", OPT_RECONNECT, '-',
597 "Drop and re-make the connection with the same Session-ID"},
598 {"showcerts", OPT_SHOWCERTS, '-', "Show all certificates in the chain"},
599 {"debug", OPT_DEBUG, '-', "Extra output"},
600 {"msg", OPT_MSG, '-', "Show protocol messages"},
601 {"msgfile", OPT_MSGFILE, '>',
602 "File to send output of -msg or -trace, instead of stdout"},
603 {"nbio_test", OPT_NBIO_TEST, '-', "More ssl protocol testing"},
604 {"state", OPT_STATE, '-', "Print the ssl states"},
605 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"},
606 {"quiet", OPT_QUIET, '-', "No s_client output"},
607 {"ign_eof", OPT_IGN_EOF, '-', "Ignore input eof (default when -quiet)"},
608 {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Don't ignore input eof"},
609 {"starttls", OPT_STARTTLS, 's',
610 "Use the appropriate STARTTLS command before starting TLS"},
611 {"xmpphost", OPT_XMPPHOST, 's',
612 "Host to use with \"-starttls xmpp[-server]\""},
613 {"rand", OPT_RAND, 's',
614 "Load the file(s) into the random number generator"},
615 {"sess_out", OPT_SESS_OUT, '>', "File to write SSL session to"},
616 {"sess_in", OPT_SESS_IN, '<', "File to read SSL session from"},
617 {"use_srtp", OPT_USE_SRTP, 's',
618 "Offer SRTP key management with a colon-separated profile list"},
619 {"keymatexport", OPT_KEYMATEXPORT, 's',
620 "Export keying material using label"},
621 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
622 "Export len bytes of keying material (default 20)"},
623 {"fallback_scsv", OPT_FALLBACKSCSV, '-', "Send the fallback SCSV"},
624 {"name", OPT_SMTPHOST, 's',
625 "Hostname to use for \"-starttls lmtp\" or \"-starttls smtp\""},
626 {"CRL", OPT_CRL, '<', "CRL file to use"},
627 {"crl_download", OPT_CRL_DOWNLOAD, '-', "Download CRL from distribution points"},
628 {"CRLform", OPT_CRLFORM, 'F', "CRL format (PEM or DER) PEM is default"},
629 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-',
630 "Close connection on verification error"},
631 {"verify_quiet", OPT_VERIFY_QUIET, '-', "Restrict verify output to errors"},
632 {"brief", OPT_BRIEF, '-',
633 "Restrict output to brief summary of connection parameters"},
634 {"prexit", OPT_PREXIT, '-',
635 "Print session information when the program exits"},
636 {"security_debug", OPT_SECURITY_DEBUG, '-',
637 "Enable security debug messages"},
638 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-',
639 "Output more security debug output"},
640 {"cert_chain", OPT_CERT_CHAIN, '<',
641 "Certificate chain file (in PEM format)"},
642 {"chainCApath", OPT_CHAINCAPATH, '/',
643 "Use dir as certificate store path to build CA certificate chain"},
644 {"verifyCApath", OPT_VERIFYCAPATH, '/',
645 "Use dir as certificate store path to verify CA certificate"},
646 {"build_chain", OPT_BUILD_CHAIN, '-', "Build certificate chain"},
647 {"chainCAfile", OPT_CHAINCAFILE, '<',
648 "CA file for certificate chain (PEM format)"},
649 {"verifyCAfile", OPT_VERIFYCAFILE, '<',
650 "CA file for certificate verification (PEM format)"},
651 {"nocommands", OPT_NOCMDS, '-', "Do not use interactive command letters"},
652 {"servername", OPT_SERVERNAME, 's',
653 "Set TLS extension servername in ClientHello"},
654 {"noservername", OPT_NOSERVERNAME, '-',
655 "Do not send the server name (SNI) extension in the ClientHello"},
656 {"tlsextdebug", OPT_TLSEXTDEBUG, '-',
657 "Hex dump of all TLS extensions received"},
658 #ifndef OPENSSL_NO_OCSP
659 {"status", OPT_STATUS, '-', "Request certificate status from server"},
660 #endif
661 {"serverinfo", OPT_SERVERINFO, 's',
662 "types Send empty ClientHello extensions (comma-separated numbers)"},
663 {"alpn", OPT_ALPN, 's',
664 "Enable ALPN extension, considering named protocols supported (comma-separated list)"},
665 {"async", OPT_ASYNC, '-', "Support asynchronous operation"},
666 {"ssl_config", OPT_SSL_CONFIG, 's', "Use specified configuration file"},
667 {"max_send_frag", OPT_MAX_SEND_FRAG, 'p', "Maximum Size of send frames "},
668 {"split_send_frag", OPT_SPLIT_SEND_FRAG, 'p',
669 "Size used to split data for encrypt pipelines"},
670 {"max_pipelines", OPT_MAX_PIPELINES, 'p',
671 "Maximum number of encrypt/decrypt pipelines to be used"},
672 {"read_buf", OPT_READ_BUF, 'p',
673 "Default read buffer size to be used for connections"},
674 OPT_S_OPTIONS,
675 OPT_V_OPTIONS,
676 OPT_X_OPTIONS,
677 #ifndef OPENSSL_NO_SSL3
678 {"ssl3", OPT_SSL3, '-', "Just use SSLv3"},
679 #endif
680 #ifndef OPENSSL_NO_TLS1
681 {"tls1", OPT_TLS1, '-', "Just use TLSv1"},
682 #endif
683 #ifndef OPENSSL_NO_TLS1_1
684 {"tls1_1", OPT_TLS1_1, '-', "Just use TLSv1.1"},
685 #endif
686 #ifndef OPENSSL_NO_TLS1_2
687 {"tls1_2", OPT_TLS1_2, '-', "Just use TLSv1.2"},
688 #endif
689 #ifndef OPENSSL_NO_TLS1_3
690 {"tls1_3", OPT_TLS1_3, '-', "Just use TLSv1.3"},
691 #endif
692 #ifndef OPENSSL_NO_DTLS
693 {"dtls", OPT_DTLS, '-', "Use any version of DTLS"},
694 {"timeout", OPT_TIMEOUT, '-',
695 "Enable send/receive timeout on DTLS connections"},
696 {"mtu", OPT_MTU, 'p', "Set the link layer MTU"},
697 #endif
698 #ifndef OPENSSL_NO_DTLS1
699 {"dtls1", OPT_DTLS1, '-', "Just use DTLSv1"},
700 #endif
701 #ifndef OPENSSL_NO_DTLS1_2
702 {"dtls1_2", OPT_DTLS1_2, '-', "Just use DTLSv1.2"},
703 #endif
704 #ifndef OPENSSL_NO_SCTP
705 {"sctp", OPT_SCTP, '-', "Use SCTP"},
706 #endif
707 #ifndef OPENSSL_NO_SSL_TRACE
708 {"trace", OPT_TRACE, '-', "Show trace output of protocol messages"},
709 #endif
710 #ifdef WATT32
711 {"wdebug", OPT_WDEBUG, '-', "WATT-32 tcp debugging"},
712 #endif
713 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"},
714 #ifndef OPENSSL_NO_PSK
715 {"psk_identity", OPT_PSK_IDENTITY, 's', "PSK identity"},
716 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"},
717 #endif
718 #ifndef OPENSSL_NO_SRP
719 {"srpuser", OPT_SRPUSER, 's', "SRP authentication for 'user'"},
720 {"srppass", OPT_SRPPASS, 's', "Password for 'user'"},
721 {"srp_lateuser", OPT_SRP_LATEUSER, '-',
722 "SRP username into second ClientHello message"},
723 {"srp_moregroups", OPT_SRP_MOREGROUPS, '-',
724 "Tolerate other than the known g N values."},
725 {"srp_strength", OPT_SRP_STRENGTH, 'p', "Minimal length in bits for N"},
726 #endif
727 #ifndef OPENSSL_NO_NEXTPROTONEG
728 {"nextprotoneg", OPT_NEXTPROTONEG, 's',
729 "Enable NPN extension, considering named protocols supported (comma-separated list)"},
730 #endif
731 #ifndef OPENSSL_NO_ENGINE
732 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
733 {"ssl_client_engine", OPT_SSL_CLIENT_ENGINE, 's',
734 "Specify engine to be used for client certificate operations"},
735 #endif
736 #ifndef OPENSSL_NO_CT
737 {"ct", OPT_CT, '-', "Request and parse SCTs (also enables OCSP stapling)"},
738 {"noct", OPT_NOCT, '-', "Do not request or parse SCTs (default)"},
739 {"ctlogfile", OPT_CTLOG_FILE, '<', "CT log list CONF file"},
740 #endif
741 {"keylogfile", OPT_KEYLOG_FILE, '>', "Write TLS secrets to file"},
742 {"early_data", OPT_EARLY_DATA, '<', "File to send as early data"},
743 {NULL, OPT_EOF, 0x00, NULL}
744 };
745
746 typedef enum PROTOCOL_choice {
747 PROTO_OFF,
748 PROTO_SMTP,
749 PROTO_POP3,
750 PROTO_IMAP,
751 PROTO_FTP,
752 PROTO_TELNET,
753 PROTO_XMPP,
754 PROTO_XMPP_SERVER,
755 PROTO_CONNECT,
756 PROTO_IRC,
757 PROTO_MYSQL,
758 PROTO_POSTGRES,
759 PROTO_LMTP,
760 PROTO_NNTP,
761 PROTO_SIEVE,
762 PROTO_LDAP
763 } PROTOCOL_CHOICE;
764
765 static const OPT_PAIR services[] = {
766 {"smtp", PROTO_SMTP},
767 {"pop3", PROTO_POP3},
768 {"imap", PROTO_IMAP},
769 {"ftp", PROTO_FTP},
770 {"xmpp", PROTO_XMPP},
771 {"xmpp-server", PROTO_XMPP_SERVER},
772 {"telnet", PROTO_TELNET},
773 {"irc", PROTO_IRC},
774 {"mysql", PROTO_MYSQL},
775 {"postgres", PROTO_POSTGRES},
776 {"lmtp", PROTO_LMTP},
777 {"nntp", PROTO_NNTP},
778 {"sieve", PROTO_SIEVE},
779 {"ldap", PROTO_LDAP},
780 {NULL, 0}
781 };
782
783 #define IS_INET_FLAG(o) \
784 (o == OPT_4 || o == OPT_6 || o == OPT_HOST || o == OPT_PORT || o == OPT_CONNECT)
785 #define IS_UNIX_FLAG(o) (o == OPT_UNIX)
786
787 #define IS_PROT_FLAG(o) \
788 (o == OPT_SSL3 || o == OPT_TLS1 || o == OPT_TLS1_1 || o == OPT_TLS1_2 \
789 || o == OPT_TLS1_3 || o == OPT_DTLS || o == OPT_DTLS1 || o == OPT_DTLS1_2)
790
791 /* Free |*dest| and optionally set it to a copy of |source|. */
792 static void freeandcopy(char **dest, const char *source)
793 {
794 OPENSSL_free(*dest);
795 *dest = NULL;
796 if (source != NULL)
797 *dest = OPENSSL_strdup(source);
798 }
799
800 static int new_session_cb(SSL *S, SSL_SESSION *sess)
801 {
802 BIO *stmp = BIO_new_file(sess_out, "w");
803
804 if (stmp == NULL) {
805 BIO_printf(bio_err, "Error writing session file %s\n", sess_out);
806 } else {
807 PEM_write_bio_SSL_SESSION(stmp, sess);
808 BIO_free(stmp);
809 }
810
811 /*
812 * We always return a "fail" response so that the session gets freed again
813 * because we haven't used the reference.
814 */
815 return 0;
816 }
817
818 int s_client_main(int argc, char **argv)
819 {
820 BIO *sbio;
821 EVP_PKEY *key = NULL;
822 SSL *con = NULL;
823 SSL_CTX *ctx = NULL;
824 STACK_OF(X509) *chain = NULL;
825 X509 *cert = NULL;
826 X509_VERIFY_PARAM *vpm = NULL;
827 SSL_EXCERT *exc = NULL;
828 SSL_CONF_CTX *cctx = NULL;
829 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
830 char *dane_tlsa_domain = NULL;
831 STACK_OF(OPENSSL_STRING) *dane_tlsa_rrset = NULL;
832 int dane_ee_no_name = 0;
833 STACK_OF(X509_CRL) *crls = NULL;
834 const SSL_METHOD *meth = TLS_client_method();
835 const char *CApath = NULL, *CAfile = NULL;
836 char *cbuf = NULL, *sbuf = NULL;
837 char *mbuf = NULL, *proxystr = NULL, *connectstr = NULL;
838 char *cert_file = NULL, *key_file = NULL, *chain_file = NULL;
839 char *chCApath = NULL, *chCAfile = NULL, *host = NULL;
840 char *port = OPENSSL_strdup(PORT);
841 char *inrand = NULL;
842 char *passarg = NULL, *pass = NULL, *vfyCApath = NULL, *vfyCAfile = NULL;
843 char *ReqCAfile = NULL;
844 char *sess_in = NULL, *crl_file = NULL, *p;
845 char *xmpphost = NULL;
846 const char *ehlo = "mail.example.com";
847 struct timeval timeout, *timeoutp;
848 fd_set readfds, writefds;
849 int noCApath = 0, noCAfile = 0;
850 int build_chain = 0, cbuf_len, cbuf_off, cert_format = FORMAT_PEM;
851 int key_format = FORMAT_PEM, crlf = 0, full_log = 1, mbuf_len = 0;
852 int prexit = 0;
853 int sdebug = 0;
854 int reconnect = 0, verify = SSL_VERIFY_NONE, vpmtouched = 0;
855 int ret = 1, in_init = 1, i, nbio_test = 0, s = -1, k, width, state = 0;
856 int sbuf_len, sbuf_off, cmdletters = 1;
857 int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM, protocol = 0;
858 int starttls_proto = PROTO_OFF, crl_format = FORMAT_PEM, crl_download = 0;
859 int write_tty, read_tty, write_ssl, read_ssl, tty_on, ssl_pending;
860 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
861 int at_eof = 0;
862 #endif
863 int read_buf_len = 0;
864 int fallback_scsv = 0;
865 long randamt = 0;
866 OPTION_CHOICE o;
867 #ifndef OPENSSL_NO_DTLS
868 int enable_timeouts = 0;
869 long socket_mtu = 0;
870 #endif
871 #ifndef OPENSSL_NO_ENGINE
872 ENGINE *ssl_client_engine = NULL;
873 #endif
874 ENGINE *e = NULL;
875 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
876 struct timeval tv;
877 #endif
878 char *servername = NULL;
879 int noservername = 0;
880 const char *alpn_in = NULL;
881 tlsextctx tlsextcbp = { NULL, 0 };
882 const char *ssl_config = NULL;
883 #define MAX_SI_TYPES 100
884 unsigned short serverinfo_types[MAX_SI_TYPES];
885 int serverinfo_count = 0, start = 0, len;
886 #ifndef OPENSSL_NO_NEXTPROTONEG
887 const char *next_proto_neg_in = NULL;
888 #endif
889 #ifndef OPENSSL_NO_SRP
890 char *srppass = NULL;
891 int srp_lateuser = 0;
892 SRP_ARG srp_arg = { NULL, NULL, 0, 0, 0, 1024 };
893 #endif
894 #ifndef OPENSSL_NO_CT
895 char *ctlog_file = NULL;
896 int ct_validation = 0;
897 #endif
898 int min_version = 0, max_version = 0, prot_opt = 0, no_prot_opt = 0;
899 int async = 0;
900 unsigned int max_send_fragment = 0;
901 unsigned int split_send_fragment = 0, max_pipelines = 0;
902 enum { use_inet, use_unix, use_unknown } connect_type = use_unknown;
903 int count4or6 = 0;
904 int c_nbio = 0, c_msg = 0, c_ign_eof = 0, c_brief = 0;
905 int c_tlsextdebug = 0;
906 #ifndef OPENSSL_NO_OCSP
907 int c_status_req = 0;
908 #endif
909 BIO *bio_c_msg = NULL;
910 const char *keylog_file = NULL, *early_data_file = NULL;
911 #ifndef OPENSSL_NO_DTLS
912 int isdtls = 0;
913 #endif
914
915 FD_ZERO(&readfds);
916 FD_ZERO(&writefds);
917 /* Known false-positive of MemorySanitizer. */
918 #if defined(__has_feature)
919 # if __has_feature(memory_sanitizer)
920 __msan_unpoison(&readfds, sizeof(readfds));
921 __msan_unpoison(&writefds, sizeof(writefds));
922 # endif
923 #endif
924
925 prog = opt_progname(argv[0]);
926 c_quiet = 0;
927 c_debug = 0;
928 c_showcerts = 0;
929 c_nbio = 0;
930 vpm = X509_VERIFY_PARAM_new();
931 cctx = SSL_CONF_CTX_new();
932
933 if (vpm == NULL || cctx == NULL) {
934 BIO_printf(bio_err, "%s: out of memory\n", prog);
935 goto end;
936 }
937
938 cbuf = app_malloc(BUFSIZZ, "cbuf");
939 sbuf = app_malloc(BUFSIZZ, "sbuf");
940 mbuf = app_malloc(BUFSIZZ, "mbuf");
941
942 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT | SSL_CONF_FLAG_CMDLINE);
943
944 prog = opt_init(argc, argv, s_client_options);
945 while ((o = opt_next()) != OPT_EOF) {
946 /* Check for intermixing flags. */
947 if (connect_type == use_unix && IS_INET_FLAG(o)) {
948 BIO_printf(bio_err,
949 "%s: Intermixed protocol flags (unix and internet domains)\n",
950 prog);
951 goto end;
952 }
953 if (connect_type == use_inet && IS_UNIX_FLAG(o)) {
954 BIO_printf(bio_err,
955 "%s: Intermixed protocol flags (internet and unix domains)\n",
956 prog);
957 goto end;
958 }
959
960 if (IS_PROT_FLAG(o) && ++prot_opt > 1) {
961 BIO_printf(bio_err, "Cannot supply multiple protocol flags\n");
962 goto end;
963 }
964 if (IS_NO_PROT_FLAG(o))
965 no_prot_opt++;
966 if (prot_opt == 1 && no_prot_opt) {
967 BIO_printf(bio_err,
968 "Cannot supply both a protocol flag and '-no_<prot>'\n");
969 goto end;
970 }
971
972 switch (o) {
973 case OPT_EOF:
974 case OPT_ERR:
975 opthelp:
976 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
977 goto end;
978 case OPT_HELP:
979 opt_help(s_client_options);
980 ret = 0;
981 goto end;
982 case OPT_4:
983 connect_type = use_inet;
984 socket_family = AF_INET;
985 count4or6++;
986 break;
987 #ifdef AF_INET6
988 case OPT_6:
989 connect_type = use_inet;
990 socket_family = AF_INET6;
991 count4or6++;
992 break;
993 #endif
994 case OPT_HOST:
995 connect_type = use_inet;
996 freeandcopy(&host, opt_arg());
997 break;
998 case OPT_PORT:
999 connect_type = use_inet;
1000 freeandcopy(&port, opt_arg());
1001 break;
1002 case OPT_CONNECT:
1003 connect_type = use_inet;
1004 freeandcopy(&connectstr, opt_arg());
1005 break;
1006 case OPT_PROXY:
1007 proxystr = opt_arg();
1008 starttls_proto = PROTO_CONNECT;
1009 break;
1010 #ifdef AF_UNIX
1011 case OPT_UNIX:
1012 connect_type = use_unix;
1013 socket_family = AF_UNIX;
1014 freeandcopy(&host, opt_arg());
1015 break;
1016 #endif
1017 case OPT_XMPPHOST:
1018 xmpphost = opt_arg();
1019 break;
1020 case OPT_SMTPHOST:
1021 ehlo = opt_arg();
1022 break;
1023 case OPT_VERIFY:
1024 verify = SSL_VERIFY_PEER;
1025 verify_args.depth = atoi(opt_arg());
1026 if (!c_quiet)
1027 BIO_printf(bio_err, "verify depth is %d\n", verify_args.depth);
1028 break;
1029 case OPT_CERT:
1030 cert_file = opt_arg();
1031 break;
1032 case OPT_NAMEOPT:
1033 if (!set_nameopt(opt_arg()))
1034 goto end;
1035 break;
1036 case OPT_CRL:
1037 crl_file = opt_arg();
1038 break;
1039 case OPT_CRL_DOWNLOAD:
1040 crl_download = 1;
1041 break;
1042 case OPT_SESS_OUT:
1043 sess_out = opt_arg();
1044 break;
1045 case OPT_SESS_IN:
1046 sess_in = opt_arg();
1047 break;
1048 case OPT_CERTFORM:
1049 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &cert_format))
1050 goto opthelp;
1051 break;
1052 case OPT_CRLFORM:
1053 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
1054 goto opthelp;
1055 break;
1056 case OPT_VERIFY_RET_ERROR:
1057 verify_args.return_error = 1;
1058 break;
1059 case OPT_VERIFY_QUIET:
1060 verify_args.quiet = 1;
1061 break;
1062 case OPT_BRIEF:
1063 c_brief = verify_args.quiet = c_quiet = 1;
1064 break;
1065 case OPT_S_CASES:
1066 if (ssl_args == NULL)
1067 ssl_args = sk_OPENSSL_STRING_new_null();
1068 if (ssl_args == NULL
1069 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
1070 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
1071 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1072 goto end;
1073 }
1074 break;
1075 case OPT_V_CASES:
1076 if (!opt_verify(o, vpm))
1077 goto end;
1078 vpmtouched++;
1079 break;
1080 case OPT_X_CASES:
1081 if (!args_excert(o, &exc))
1082 goto end;
1083 break;
1084 case OPT_PREXIT:
1085 prexit = 1;
1086 break;
1087 case OPT_CRLF:
1088 crlf = 1;
1089 break;
1090 case OPT_QUIET:
1091 c_quiet = c_ign_eof = 1;
1092 break;
1093 case OPT_NBIO:
1094 c_nbio = 1;
1095 break;
1096 case OPT_NOCMDS:
1097 cmdletters = 0;
1098 break;
1099 case OPT_ENGINE:
1100 e = setup_engine(opt_arg(), 1);
1101 break;
1102 case OPT_SSL_CLIENT_ENGINE:
1103 #ifndef OPENSSL_NO_ENGINE
1104 ssl_client_engine = ENGINE_by_id(opt_arg());
1105 if (ssl_client_engine == NULL) {
1106 BIO_printf(bio_err, "Error getting client auth engine\n");
1107 goto opthelp;
1108 }
1109 #endif
1110 break;
1111 case OPT_RAND:
1112 inrand = opt_arg();
1113 break;
1114 case OPT_IGN_EOF:
1115 c_ign_eof = 1;
1116 break;
1117 case OPT_NO_IGN_EOF:
1118 c_ign_eof = 0;
1119 break;
1120 case OPT_DEBUG:
1121 c_debug = 1;
1122 break;
1123 case OPT_TLSEXTDEBUG:
1124 c_tlsextdebug = 1;
1125 break;
1126 case OPT_STATUS:
1127 #ifndef OPENSSL_NO_OCSP
1128 c_status_req = 1;
1129 #endif
1130 break;
1131 case OPT_WDEBUG:
1132 #ifdef WATT32
1133 dbug_init();
1134 #endif
1135 break;
1136 case OPT_MSG:
1137 c_msg = 1;
1138 break;
1139 case OPT_MSGFILE:
1140 bio_c_msg = BIO_new_file(opt_arg(), "w");
1141 break;
1142 case OPT_TRACE:
1143 #ifndef OPENSSL_NO_SSL_TRACE
1144 c_msg = 2;
1145 #endif
1146 break;
1147 case OPT_SECURITY_DEBUG:
1148 sdebug = 1;
1149 break;
1150 case OPT_SECURITY_DEBUG_VERBOSE:
1151 sdebug = 2;
1152 break;
1153 case OPT_SHOWCERTS:
1154 c_showcerts = 1;
1155 break;
1156 case OPT_NBIO_TEST:
1157 nbio_test = 1;
1158 break;
1159 case OPT_STATE:
1160 state = 1;
1161 break;
1162 #ifndef OPENSSL_NO_PSK
1163 case OPT_PSK_IDENTITY:
1164 psk_identity = opt_arg();
1165 break;
1166 case OPT_PSK:
1167 for (p = psk_key = opt_arg(); *p; p++) {
1168 if (isxdigit(_UC(*p)))
1169 continue;
1170 BIO_printf(bio_err, "Not a hex number '%s'\n", psk_key);
1171 goto end;
1172 }
1173 break;
1174 #endif
1175 #ifndef OPENSSL_NO_SRP
1176 case OPT_SRPUSER:
1177 srp_arg.srplogin = opt_arg();
1178 if (min_version < TLS1_VERSION)
1179 min_version = TLS1_VERSION;
1180 break;
1181 case OPT_SRPPASS:
1182 srppass = opt_arg();
1183 if (min_version < TLS1_VERSION)
1184 min_version = TLS1_VERSION;
1185 break;
1186 case OPT_SRP_STRENGTH:
1187 srp_arg.strength = atoi(opt_arg());
1188 BIO_printf(bio_err, "SRP minimal length for N is %d\n",
1189 srp_arg.strength);
1190 if (min_version < TLS1_VERSION)
1191 min_version = TLS1_VERSION;
1192 break;
1193 case OPT_SRP_LATEUSER:
1194 srp_lateuser = 1;
1195 if (min_version < TLS1_VERSION)
1196 min_version = TLS1_VERSION;
1197 break;
1198 case OPT_SRP_MOREGROUPS:
1199 srp_arg.amp = 1;
1200 if (min_version < TLS1_VERSION)
1201 min_version = TLS1_VERSION;
1202 break;
1203 #endif
1204 case OPT_SSL_CONFIG:
1205 ssl_config = opt_arg();
1206 break;
1207 case OPT_SSL3:
1208 min_version = SSL3_VERSION;
1209 max_version = SSL3_VERSION;
1210 break;
1211 case OPT_TLS1_3:
1212 min_version = TLS1_3_VERSION;
1213 max_version = TLS1_3_VERSION;
1214 break;
1215 case OPT_TLS1_2:
1216 min_version = TLS1_2_VERSION;
1217 max_version = TLS1_2_VERSION;
1218 break;
1219 case OPT_TLS1_1:
1220 min_version = TLS1_1_VERSION;
1221 max_version = TLS1_1_VERSION;
1222 break;
1223 case OPT_TLS1:
1224 min_version = TLS1_VERSION;
1225 max_version = TLS1_VERSION;
1226 break;
1227 case OPT_DTLS:
1228 #ifndef OPENSSL_NO_DTLS
1229 meth = DTLS_client_method();
1230 socket_type = SOCK_DGRAM;
1231 isdtls = 1;
1232 #endif
1233 break;
1234 case OPT_DTLS1:
1235 #ifndef OPENSSL_NO_DTLS1
1236 meth = DTLS_client_method();
1237 min_version = DTLS1_VERSION;
1238 max_version = DTLS1_VERSION;
1239 socket_type = SOCK_DGRAM;
1240 isdtls = 1;
1241 #endif
1242 break;
1243 case OPT_DTLS1_2:
1244 #ifndef OPENSSL_NO_DTLS1_2
1245 meth = DTLS_client_method();
1246 min_version = DTLS1_2_VERSION;
1247 max_version = DTLS1_2_VERSION;
1248 socket_type = SOCK_DGRAM;
1249 isdtls = 1;
1250 #endif
1251 break;
1252 case OPT_SCTP:
1253 #ifndef OPENSSL_NO_SCTP
1254 protocol = IPPROTO_SCTP;
1255 #endif
1256 break;
1257 case OPT_TIMEOUT:
1258 #ifndef OPENSSL_NO_DTLS
1259 enable_timeouts = 1;
1260 #endif
1261 break;
1262 case OPT_MTU:
1263 #ifndef OPENSSL_NO_DTLS
1264 socket_mtu = atol(opt_arg());
1265 #endif
1266 break;
1267 case OPT_FALLBACKSCSV:
1268 fallback_scsv = 1;
1269 break;
1270 case OPT_KEYFORM:
1271 if (!opt_format(opt_arg(), OPT_FMT_PDE, &key_format))
1272 goto opthelp;
1273 break;
1274 case OPT_PASS:
1275 passarg = opt_arg();
1276 break;
1277 case OPT_CERT_CHAIN:
1278 chain_file = opt_arg();
1279 break;
1280 case OPT_KEY:
1281 key_file = opt_arg();
1282 break;
1283 case OPT_RECONNECT:
1284 reconnect = 5;
1285 break;
1286 case OPT_CAPATH:
1287 CApath = opt_arg();
1288 break;
1289 case OPT_NOCAPATH:
1290 noCApath = 1;
1291 break;
1292 case OPT_CHAINCAPATH:
1293 chCApath = opt_arg();
1294 break;
1295 case OPT_VERIFYCAPATH:
1296 vfyCApath = opt_arg();
1297 break;
1298 case OPT_BUILD_CHAIN:
1299 build_chain = 1;
1300 break;
1301 case OPT_REQCAFILE:
1302 ReqCAfile = opt_arg();
1303 break;
1304 case OPT_CAFILE:
1305 CAfile = opt_arg();
1306 break;
1307 case OPT_NOCAFILE:
1308 noCAfile = 1;
1309 break;
1310 #ifndef OPENSSL_NO_CT
1311 case OPT_NOCT:
1312 ct_validation = 0;
1313 break;
1314 case OPT_CT:
1315 ct_validation = 1;
1316 break;
1317 case OPT_CTLOG_FILE:
1318 ctlog_file = opt_arg();
1319 break;
1320 #endif
1321 case OPT_CHAINCAFILE:
1322 chCAfile = opt_arg();
1323 break;
1324 case OPT_VERIFYCAFILE:
1325 vfyCAfile = opt_arg();
1326 break;
1327 case OPT_DANE_TLSA_DOMAIN:
1328 dane_tlsa_domain = opt_arg();
1329 break;
1330 case OPT_DANE_TLSA_RRDATA:
1331 if (dane_tlsa_rrset == NULL)
1332 dane_tlsa_rrset = sk_OPENSSL_STRING_new_null();
1333 if (dane_tlsa_rrset == NULL ||
1334 !sk_OPENSSL_STRING_push(dane_tlsa_rrset, opt_arg())) {
1335 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1336 goto end;
1337 }
1338 break;
1339 case OPT_DANE_EE_NO_NAME:
1340 dane_ee_no_name = 1;
1341 break;
1342 case OPT_NEXTPROTONEG:
1343 #ifndef OPENSSL_NO_NEXTPROTONEG
1344 next_proto_neg_in = opt_arg();
1345 #endif
1346 break;
1347 case OPT_ALPN:
1348 alpn_in = opt_arg();
1349 break;
1350 case OPT_SERVERINFO:
1351 p = opt_arg();
1352 len = strlen(p);
1353 for (start = 0, i = 0; i <= len; ++i) {
1354 if (i == len || p[i] == ',') {
1355 serverinfo_types[serverinfo_count] = atoi(p + start);
1356 if (++serverinfo_count == MAX_SI_TYPES)
1357 break;
1358 start = i + 1;
1359 }
1360 }
1361 break;
1362 case OPT_STARTTLS:
1363 if (!opt_pair(opt_arg(), services, &starttls_proto))
1364 goto end;
1365 break;
1366 case OPT_SERVERNAME:
1367 servername = opt_arg();
1368 break;
1369 case OPT_NOSERVERNAME:
1370 noservername = 1;
1371 break;
1372 case OPT_USE_SRTP:
1373 srtp_profiles = opt_arg();
1374 break;
1375 case OPT_KEYMATEXPORT:
1376 keymatexportlabel = opt_arg();
1377 break;
1378 case OPT_KEYMATEXPORTLEN:
1379 keymatexportlen = atoi(opt_arg());
1380 break;
1381 case OPT_ASYNC:
1382 async = 1;
1383 break;
1384 case OPT_MAX_SEND_FRAG:
1385 max_send_fragment = atoi(opt_arg());
1386 break;
1387 case OPT_SPLIT_SEND_FRAG:
1388 split_send_fragment = atoi(opt_arg());
1389 break;
1390 case OPT_MAX_PIPELINES:
1391 max_pipelines = atoi(opt_arg());
1392 break;
1393 case OPT_READ_BUF:
1394 read_buf_len = atoi(opt_arg());
1395 break;
1396 case OPT_KEYLOG_FILE:
1397 keylog_file = opt_arg();
1398 break;
1399 case OPT_EARLY_DATA:
1400 early_data_file = opt_arg();
1401 break;
1402 }
1403 }
1404 if (count4or6 >= 2) {
1405 BIO_printf(bio_err, "%s: Can't use both -4 and -6\n", prog);
1406 goto opthelp;
1407 }
1408 if (noservername) {
1409 if (servername != NULL) {
1410 BIO_printf(bio_err,
1411 "%s: Can't use -servername and -noservername together\n",
1412 prog);
1413 goto opthelp;
1414 }
1415 if (dane_tlsa_domain != NULL) {
1416 BIO_printf(bio_err,
1417 "%s: Can't use -dane_tlsa_domain and -noservername together\n",
1418 prog);
1419 goto opthelp;
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,
1440 "%s: -proxy argument malformed or ambiguous\n", 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 #ifndef OPENSSL_NO_SCTP
1468 if (protocol == IPPROTO_SCTP) {
1469 if (socket_type != SOCK_DGRAM) {
1470 BIO_printf(bio_err, "Can't use -sctp without DTLS\n");
1471 goto end;
1472 }
1473 /* SCTP is unusual. It uses DTLS over a SOCK_STREAM protocol */
1474 socket_type = SOCK_STREAM;
1475 }
1476 #endif
1477
1478 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1479 next_proto.status = -1;
1480 if (next_proto_neg_in) {
1481 next_proto.data =
1482 next_protos_parse(&next_proto.len, next_proto_neg_in);
1483 if (next_proto.data == NULL) {
1484 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n");
1485 goto end;
1486 }
1487 } else
1488 next_proto.data = NULL;
1489 #endif
1490
1491 if (!app_passwd(passarg, NULL, &pass, NULL)) {
1492 BIO_printf(bio_err, "Error getting password\n");
1493 goto end;
1494 }
1495
1496 if (key_file == NULL)
1497 key_file = cert_file;
1498
1499 if (key_file) {
1500 key = load_key(key_file, key_format, 0, pass, e,
1501 "client certificate private key file");
1502 if (key == NULL) {
1503 ERR_print_errors(bio_err);
1504 goto end;
1505 }
1506 }
1507
1508 if (cert_file) {
1509 cert = load_cert(cert_file, cert_format, "client certificate file");
1510 if (cert == NULL) {
1511 ERR_print_errors(bio_err);
1512 goto end;
1513 }
1514 }
1515
1516 if (chain_file) {
1517 if (!load_certs(chain_file, &chain, FORMAT_PEM, NULL,
1518 "client certificate chain"))
1519 goto end;
1520 }
1521
1522 if (crl_file) {
1523 X509_CRL *crl;
1524 crl = load_crl(crl_file, crl_format);
1525 if (crl == NULL) {
1526 BIO_puts(bio_err, "Error loading CRL\n");
1527 ERR_print_errors(bio_err);
1528 goto end;
1529 }
1530 crls = sk_X509_CRL_new_null();
1531 if (crls == NULL || !sk_X509_CRL_push(crls, crl)) {
1532 BIO_puts(bio_err, "Error adding CRL\n");
1533 ERR_print_errors(bio_err);
1534 X509_CRL_free(crl);
1535 goto end;
1536 }
1537 }
1538
1539 if (!load_excert(&exc))
1540 goto end;
1541
1542 if (!app_RAND_load_file(NULL, 1) && inrand == NULL
1543 && !RAND_status()) {
1544 BIO_printf(bio_err,
1545 "warning, not much extra random data, consider using the -rand option\n");
1546 }
1547 if (inrand != NULL) {
1548 randamt = app_RAND_load_files(inrand);
1549 BIO_printf(bio_err, "%ld semi-random bytes loaded\n", randamt);
1550 }
1551
1552 if (bio_c_out == NULL) {
1553 if (c_quiet && !c_debug) {
1554 bio_c_out = BIO_new(BIO_s_null());
1555 if (c_msg && !bio_c_msg)
1556 bio_c_msg = dup_bio_out(FORMAT_TEXT);
1557 } else if (bio_c_out == NULL)
1558 bio_c_out = dup_bio_out(FORMAT_TEXT);
1559 }
1560 #ifndef OPENSSL_NO_SRP
1561 if (!app_passwd(srppass, NULL, &srp_arg.srppassin, NULL)) {
1562 BIO_printf(bio_err, "Error getting password\n");
1563 goto end;
1564 }
1565 #endif
1566
1567 ctx = SSL_CTX_new(meth);
1568 if (ctx == NULL) {
1569 ERR_print_errors(bio_err);
1570 goto end;
1571 }
1572
1573 if (sdebug)
1574 ssl_ctx_security_debug(ctx, sdebug);
1575
1576 if (ssl_config) {
1577 if (SSL_CTX_config(ctx, ssl_config) == 0) {
1578 BIO_printf(bio_err, "Error using configuration \"%s\"\n",
1579 ssl_config);
1580 ERR_print_errors(bio_err);
1581 goto end;
1582 }
1583 }
1584
1585 if (SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
1586 goto end;
1587 if (SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
1588 goto end;
1589
1590 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
1591 BIO_printf(bio_err, "Error setting verify params\n");
1592 ERR_print_errors(bio_err);
1593 goto end;
1594 }
1595
1596 if (async) {
1597 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
1598 }
1599
1600 if (max_send_fragment > 0
1601 && !SSL_CTX_set_max_send_fragment(ctx, max_send_fragment)) {
1602 BIO_printf(bio_err, "%s: Max send fragment size %u is out of permitted range\n",
1603 prog, max_send_fragment);
1604 goto end;
1605 }
1606
1607 if (split_send_fragment > 0
1608 && !SSL_CTX_set_split_send_fragment(ctx, split_send_fragment)) {
1609 BIO_printf(bio_err, "%s: Split send fragment size %u is out of permitted range\n",
1610 prog, split_send_fragment);
1611 goto end;
1612 }
1613
1614 if (max_pipelines > 0
1615 && !SSL_CTX_set_max_pipelines(ctx, max_pipelines)) {
1616 BIO_printf(bio_err, "%s: Max pipelines %u is out of permitted range\n",
1617 prog, max_pipelines);
1618 goto end;
1619 }
1620
1621 if (read_buf_len > 0) {
1622 SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len);
1623 }
1624
1625 if (!config_ctx(cctx, ssl_args, ctx))
1626 goto end;
1627
1628 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1629 crls, crl_download)) {
1630 BIO_printf(bio_err, "Error loading store locations\n");
1631 ERR_print_errors(bio_err);
1632 goto end;
1633 }
1634 if (ReqCAfile != NULL) {
1635 STACK_OF(X509_NAME) *nm = sk_X509_NAME_new_null();
1636
1637 if (nm == NULL || !SSL_add_file_cert_subjects_to_stack(nm, ReqCAfile)) {
1638 sk_X509_NAME_pop_free(nm, X509_NAME_free);
1639 BIO_printf(bio_err, "Error loading CA names\n");
1640 ERR_print_errors(bio_err);
1641 goto end;
1642 }
1643 SSL_CTX_set0_CA_list(ctx, nm);
1644 }
1645 #ifndef OPENSSL_NO_ENGINE
1646 if (ssl_client_engine) {
1647 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine)) {
1648 BIO_puts(bio_err, "Error setting client auth engine\n");
1649 ERR_print_errors(bio_err);
1650 ENGINE_free(ssl_client_engine);
1651 goto end;
1652 }
1653 ENGINE_free(ssl_client_engine);
1654 }
1655 #endif
1656
1657 #ifndef OPENSSL_NO_PSK
1658 if (psk_key != NULL) {
1659 if (c_debug)
1660 BIO_printf(bio_c_out, "PSK key given, setting client callback\n");
1661 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
1662 }
1663 #endif
1664 #ifndef OPENSSL_NO_SRTP
1665 if (srtp_profiles != NULL) {
1666 /* Returns 0 on success! */
1667 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
1668 BIO_printf(bio_err, "Error setting SRTP profile\n");
1669 ERR_print_errors(bio_err);
1670 goto end;
1671 }
1672 }
1673 #endif
1674
1675 if (exc)
1676 ssl_ctx_set_excert(ctx, exc);
1677
1678 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1679 if (next_proto.data)
1680 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
1681 #endif
1682 if (alpn_in) {
1683 size_t alpn_len;
1684 unsigned char *alpn = next_protos_parse(&alpn_len, alpn_in);
1685
1686 if (alpn == NULL) {
1687 BIO_printf(bio_err, "Error parsing -alpn argument\n");
1688 goto end;
1689 }
1690 /* Returns 0 on success! */
1691 if (SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len) != 0) {
1692 BIO_printf(bio_err, "Error setting ALPN\n");
1693 goto end;
1694 }
1695 OPENSSL_free(alpn);
1696 }
1697
1698 for (i = 0; i < serverinfo_count; i++) {
1699 if (!SSL_CTX_add_client_custom_ext(ctx,
1700 serverinfo_types[i],
1701 NULL, NULL, NULL,
1702 serverinfo_cli_parse_cb, NULL)) {
1703 BIO_printf(bio_err,
1704 "Warning: Unable to add custom extension %u, skipping\n",
1705 serverinfo_types[i]);
1706 }
1707 }
1708
1709 if (state)
1710 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1711
1712 #ifndef OPENSSL_NO_CT
1713 /* Enable SCT processing, without early connection termination */
1714 if (ct_validation &&
1715 !SSL_CTX_enable_ct(ctx, SSL_CT_VALIDATION_PERMISSIVE)) {
1716 ERR_print_errors(bio_err);
1717 goto end;
1718 }
1719
1720 if (!ctx_set_ctlog_list_file(ctx, ctlog_file)) {
1721 if (ct_validation) {
1722 ERR_print_errors(bio_err);
1723 goto end;
1724 }
1725
1726 /*
1727 * If CT validation is not enabled, the log list isn't needed so don't
1728 * show errors or abort. We try to load it regardless because then we
1729 * can show the names of the logs any SCTs came from (SCTs may be seen
1730 * even with validation disabled).
1731 */
1732 ERR_clear_error();
1733 }
1734 #endif
1735
1736 SSL_CTX_set_verify(ctx, verify, verify_callback);
1737
1738 if (!ctx_set_verify_locations(ctx, CAfile, CApath, noCAfile, noCApath)) {
1739 ERR_print_errors(bio_err);
1740 goto end;
1741 }
1742
1743 ssl_ctx_add_crls(ctx, crls, crl_download);
1744
1745 if (!set_cert_key_stuff(ctx, cert, key, chain, build_chain))
1746 goto end;
1747
1748 if (!noservername) {
1749 tlsextcbp.biodebug = bio_err;
1750 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1751 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1752 }
1753 # ifndef OPENSSL_NO_SRP
1754 if (srp_arg.srplogin) {
1755 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin)) {
1756 BIO_printf(bio_err, "Unable to set SRP username\n");
1757 goto end;
1758 }
1759 srp_arg.msg = c_msg;
1760 srp_arg.debug = c_debug;
1761 SSL_CTX_set_srp_cb_arg(ctx, &srp_arg);
1762 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb);
1763 SSL_CTX_set_srp_strength(ctx, srp_arg.strength);
1764 if (c_msg || c_debug || srp_arg.amp == 0)
1765 SSL_CTX_set_srp_verify_param_callback(ctx,
1766 ssl_srp_verify_param_cb);
1767 }
1768 # endif
1769
1770 if (dane_tlsa_domain != NULL) {
1771 if (SSL_CTX_dane_enable(ctx) <= 0) {
1772 BIO_printf(bio_err,
1773 "%s: Error enabling DANE TLSA authentication.\n",
1774 prog);
1775 ERR_print_errors(bio_err);
1776 goto end;
1777 }
1778 }
1779
1780 /*
1781 * In TLSv1.3 NewSessionTicket messages arrive after the handshake and can
1782 * come at any time. Therefore we use a callback to write out the session
1783 * when we know about it. This approach works for < TLSv1.3 as well.
1784 */
1785 if (sess_out) {
1786 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_CLIENT
1787 | SSL_SESS_CACHE_NO_INTERNAL_STORE);
1788 SSL_CTX_sess_set_new_cb(ctx, new_session_cb);
1789 }
1790
1791 if (set_keylog_file(ctx, keylog_file))
1792 goto end;
1793
1794 con = SSL_new(ctx);
1795 if (sess_in) {
1796 SSL_SESSION *sess;
1797 BIO *stmp = BIO_new_file(sess_in, "r");
1798 if (!stmp) {
1799 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1800 ERR_print_errors(bio_err);
1801 goto end;
1802 }
1803 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1804 BIO_free(stmp);
1805 if (!sess) {
1806 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1807 ERR_print_errors(bio_err);
1808 goto end;
1809 }
1810 if (!SSL_set_session(con, sess)) {
1811 BIO_printf(bio_err, "Can't set session\n");
1812 ERR_print_errors(bio_err);
1813 goto end;
1814 }
1815 SSL_SESSION_free(sess);
1816 }
1817
1818 if (fallback_scsv)
1819 SSL_set_mode(con, SSL_MODE_SEND_FALLBACK_SCSV);
1820
1821 if (!noservername && (servername != NULL || dane_tlsa_domain == NULL)) {
1822 if (servername == NULL)
1823 servername = (host == NULL) ? "localhost" : host;
1824 if (!SSL_set_tlsext_host_name(con, servername)) {
1825 BIO_printf(bio_err, "Unable to set TLS servername extension.\n");
1826 ERR_print_errors(bio_err);
1827 goto end;
1828 }
1829 }
1830
1831 if (dane_tlsa_domain != NULL) {
1832 if (SSL_dane_enable(con, dane_tlsa_domain) <= 0) {
1833 BIO_printf(bio_err, "%s: Error enabling DANE TLSA "
1834 "authentication.\n", prog);
1835 ERR_print_errors(bio_err);
1836 goto end;
1837 }
1838 if (dane_tlsa_rrset == NULL) {
1839 BIO_printf(bio_err, "%s: DANE TLSA authentication requires at "
1840 "least one -dane_tlsa_rrdata option.\n", prog);
1841 goto end;
1842 }
1843 if (tlsa_import_rrset(con, dane_tlsa_rrset) <= 0) {
1844 BIO_printf(bio_err, "%s: Failed to import any TLSA "
1845 "records.\n", prog);
1846 goto end;
1847 }
1848 if (dane_ee_no_name)
1849 SSL_dane_set_flags(con, DANE_FLAG_NO_DANE_EE_NAMECHECKS);
1850 } else if (dane_tlsa_rrset != NULL) {
1851 BIO_printf(bio_err, "%s: DANE TLSA authentication requires the "
1852 "-dane_tlsa_domain option.\n", prog);
1853 goto end;
1854 }
1855
1856 re_start:
1857 if (init_client(&s, host, port, socket_family, socket_type, protocol)
1858 == 0) {
1859 BIO_printf(bio_err, "connect:errno=%d\n", get_last_socket_error());
1860 BIO_closesocket(s);
1861 goto end;
1862 }
1863 BIO_printf(bio_c_out, "CONNECTED(%08X)\n", s);
1864
1865 if (c_nbio) {
1866 if (!BIO_socket_nbio(s, 1)) {
1867 ERR_print_errors(bio_err);
1868 goto end;
1869 }
1870 BIO_printf(bio_c_out, "Turned on non blocking io\n");
1871 }
1872 #ifndef OPENSSL_NO_DTLS
1873 if (isdtls) {
1874 union BIO_sock_info_u peer_info;
1875
1876 #ifndef OPENSSL_NO_SCTP
1877 if (protocol == IPPROTO_SCTP)
1878 sbio = BIO_new_dgram_sctp(s, BIO_NOCLOSE);
1879 else
1880 #endif
1881 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
1882
1883 if ((peer_info.addr = BIO_ADDR_new()) == NULL) {
1884 BIO_printf(bio_err, "memory allocation failure\n");
1885 BIO_closesocket(s);
1886 goto end;
1887 }
1888 if (!BIO_sock_info(s, BIO_SOCK_INFO_ADDRESS, &peer_info)) {
1889 BIO_printf(bio_err, "getsockname:errno=%d\n",
1890 get_last_socket_error());
1891 BIO_ADDR_free(peer_info.addr);
1892 BIO_closesocket(s);
1893 goto end;
1894 }
1895
1896 (void)BIO_ctrl_set_connected(sbio, peer_info.addr);
1897 BIO_ADDR_free(peer_info.addr);
1898 peer_info.addr = NULL;
1899
1900 if (enable_timeouts) {
1901 timeout.tv_sec = 0;
1902 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1903 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1904
1905 timeout.tv_sec = 0;
1906 timeout.tv_usec = DGRAM_SND_TIMEOUT;
1907 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1908 }
1909
1910 if (socket_mtu) {
1911 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
1912 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
1913 DTLS_get_link_min_mtu(con));
1914 BIO_free(sbio);
1915 goto shut;
1916 }
1917 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1918 if (!DTLS_set_link_mtu(con, socket_mtu)) {
1919 BIO_printf(bio_err, "Failed to set MTU\n");
1920 BIO_free(sbio);
1921 goto shut;
1922 }
1923 } else
1924 /* want to do MTU discovery */
1925 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1926 } else
1927 #endif /* OPENSSL_NO_DTLS */
1928 sbio = BIO_new_socket(s, BIO_NOCLOSE);
1929
1930 if (nbio_test) {
1931 BIO *test;
1932
1933 test = BIO_new(BIO_f_nbio_test());
1934 sbio = BIO_push(test, sbio);
1935 }
1936
1937 if (c_debug) {
1938 BIO_set_callback(sbio, bio_dump_callback);
1939 BIO_set_callback_arg(sbio, (char *)bio_c_out);
1940 }
1941 if (c_msg) {
1942 #ifndef OPENSSL_NO_SSL_TRACE
1943 if (c_msg == 2)
1944 SSL_set_msg_callback(con, SSL_trace);
1945 else
1946 #endif
1947 SSL_set_msg_callback(con, msg_cb);
1948 SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out);
1949 }
1950
1951 if (c_tlsextdebug) {
1952 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1953 SSL_set_tlsext_debug_arg(con, bio_c_out);
1954 }
1955 #ifndef OPENSSL_NO_OCSP
1956 if (c_status_req) {
1957 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
1958 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
1959 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
1960 }
1961 #endif
1962
1963 SSL_set_bio(con, sbio, sbio);
1964 SSL_set_connect_state(con);
1965
1966 /* ok, lets connect */
1967 if (fileno_stdin() > SSL_get_fd(con))
1968 width = fileno_stdin() + 1;
1969 else
1970 width = SSL_get_fd(con) + 1;
1971
1972 read_tty = 1;
1973 write_tty = 0;
1974 tty_on = 0;
1975 read_ssl = 1;
1976 write_ssl = 1;
1977
1978 cbuf_len = 0;
1979 cbuf_off = 0;
1980 sbuf_len = 0;
1981 sbuf_off = 0;
1982
1983 switch ((PROTOCOL_CHOICE) starttls_proto) {
1984 case PROTO_OFF:
1985 break;
1986 case PROTO_LMTP:
1987 case PROTO_SMTP:
1988 {
1989 /*
1990 * This is an ugly hack that does a lot of assumptions. We do
1991 * have to handle multi-line responses which may come in a single
1992 * packet or not. We therefore have to use BIO_gets() which does
1993 * need a buffering BIO. So during the initial chitchat we do
1994 * push a buffering BIO into the chain that is removed again
1995 * later on to not disturb the rest of the s_client operation.
1996 */
1997 int foundit = 0;
1998 BIO *fbio = BIO_new(BIO_f_buffer());
1999
2000 BIO_push(fbio, sbio);
2001 /* Wait for multi-line response to end from LMTP or SMTP */
2002 do {
2003 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2004 } while (mbuf_len > 3 && mbuf[3] == '-');
2005 if (starttls_proto == (int)PROTO_LMTP)
2006 BIO_printf(fbio, "LHLO %s\r\n", ehlo);
2007 else
2008 BIO_printf(fbio, "EHLO %s\r\n", ehlo);
2009 (void)BIO_flush(fbio);
2010 /*
2011 * Wait for multi-line response to end LHLO LMTP or EHLO SMTP
2012 * response.
2013 */
2014 do {
2015 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2016 if (strstr(mbuf, "STARTTLS"))
2017 foundit = 1;
2018 } while (mbuf_len > 3 && mbuf[3] == '-');
2019 (void)BIO_flush(fbio);
2020 BIO_pop(fbio);
2021 BIO_free(fbio);
2022 if (!foundit)
2023 BIO_printf(bio_err,
2024 "Didn't find STARTTLS in server response,"
2025 " trying anyway...\n");
2026 BIO_printf(sbio, "STARTTLS\r\n");
2027 BIO_read(sbio, sbuf, BUFSIZZ);
2028 }
2029 break;
2030 case PROTO_POP3:
2031 {
2032 BIO_read(sbio, mbuf, BUFSIZZ);
2033 BIO_printf(sbio, "STLS\r\n");
2034 mbuf_len = BIO_read(sbio, sbuf, BUFSIZZ);
2035 if (mbuf_len < 0) {
2036 BIO_printf(bio_err, "BIO_read failed\n");
2037 goto end;
2038 }
2039 }
2040 break;
2041 case PROTO_IMAP:
2042 {
2043 int foundit = 0;
2044 BIO *fbio = BIO_new(BIO_f_buffer());
2045
2046 BIO_push(fbio, sbio);
2047 BIO_gets(fbio, mbuf, BUFSIZZ);
2048 /* STARTTLS command requires CAPABILITY... */
2049 BIO_printf(fbio, ". CAPABILITY\r\n");
2050 (void)BIO_flush(fbio);
2051 /* wait for multi-line CAPABILITY response */
2052 do {
2053 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2054 if (strstr(mbuf, "STARTTLS"))
2055 foundit = 1;
2056 }
2057 while (mbuf_len > 3 && mbuf[0] != '.');
2058 (void)BIO_flush(fbio);
2059 BIO_pop(fbio);
2060 BIO_free(fbio);
2061 if (!foundit)
2062 BIO_printf(bio_err,
2063 "Didn't find STARTTLS in server response,"
2064 " trying anyway...\n");
2065 BIO_printf(sbio, ". STARTTLS\r\n");
2066 BIO_read(sbio, sbuf, BUFSIZZ);
2067 }
2068 break;
2069 case PROTO_FTP:
2070 {
2071 BIO *fbio = BIO_new(BIO_f_buffer());
2072
2073 BIO_push(fbio, sbio);
2074 /* wait for multi-line response to end from FTP */
2075 do {
2076 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2077 }
2078 while (mbuf_len > 3 && mbuf[3] == '-');
2079 (void)BIO_flush(fbio);
2080 BIO_pop(fbio);
2081 BIO_free(fbio);
2082 BIO_printf(sbio, "AUTH TLS\r\n");
2083 BIO_read(sbio, sbuf, BUFSIZZ);
2084 }
2085 break;
2086 case PROTO_XMPP:
2087 case PROTO_XMPP_SERVER:
2088 {
2089 int seen = 0;
2090 BIO_printf(sbio, "<stream:stream "
2091 "xmlns:stream='http://etherx.jabber.org/streams' "
2092 "xmlns='jabber:%s' to='%s' version='1.0'>",
2093 starttls_proto == PROTO_XMPP ? "client" : "server",
2094 xmpphost ? xmpphost : host);
2095 seen = BIO_read(sbio, mbuf, BUFSIZZ);
2096 if (seen < 0) {
2097 BIO_printf(bio_err, "BIO_read failed\n");
2098 goto end;
2099 }
2100 mbuf[seen] = '\0';
2101 while (!strstr
2102 (mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")
2103 && !strstr(mbuf,
2104 "<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\""))
2105 {
2106 seen = BIO_read(sbio, mbuf, BUFSIZZ);
2107
2108 if (seen <= 0)
2109 goto shut;
2110
2111 mbuf[seen] = '\0';
2112 }
2113 BIO_printf(sbio,
2114 "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
2115 seen = BIO_read(sbio, sbuf, BUFSIZZ);
2116 if (seen < 0) {
2117 BIO_printf(bio_err, "BIO_read failed\n");
2118 goto shut;
2119 }
2120 sbuf[seen] = '\0';
2121 if (!strstr(sbuf, "<proceed"))
2122 goto shut;
2123 mbuf[0] = '\0';
2124 }
2125 break;
2126 case PROTO_TELNET:
2127 {
2128 static const unsigned char tls_do[] = {
2129 /* IAC DO START_TLS */
2130 255, 253, 46
2131 };
2132 static const unsigned char tls_will[] = {
2133 /* IAC WILL START_TLS */
2134 255, 251, 46
2135 };
2136 static const unsigned char tls_follows[] = {
2137 /* IAC SB START_TLS FOLLOWS IAC SE */
2138 255, 250, 46, 1, 255, 240
2139 };
2140 int bytes;
2141
2142 /* Telnet server should demand we issue START_TLS */
2143 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
2144 if (bytes != 3 || memcmp(mbuf, tls_do, 3) != 0)
2145 goto shut;
2146 /* Agree to issue START_TLS and send the FOLLOWS sub-command */
2147 BIO_write(sbio, tls_will, 3);
2148 BIO_write(sbio, tls_follows, 6);
2149 (void)BIO_flush(sbio);
2150 /* Telnet server also sent the FOLLOWS sub-command */
2151 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
2152 if (bytes != 6 || memcmp(mbuf, tls_follows, 6) != 0)
2153 goto shut;
2154 }
2155 break;
2156 case PROTO_CONNECT:
2157 {
2158 enum {
2159 error_proto, /* Wrong protocol, not even HTTP */
2160 error_connect, /* CONNECT failed */
2161 success
2162 } foundit = error_connect;
2163 BIO *fbio = BIO_new(BIO_f_buffer());
2164
2165 BIO_push(fbio, sbio);
2166 BIO_printf(fbio, "CONNECT %s HTTP/1.0\r\n\r\n", connectstr);
2167 (void)BIO_flush(fbio);
2168 /*
2169 * The first line is the HTTP response. According to RFC 7230,
2170 * it's formated exactly like this:
2171 *
2172 * HTTP/d.d ddd Reason text\r\n
2173 */
2174 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2175 if (mbuf[8] != ' ') {
2176 BIO_printf(bio_err,
2177 "%s: HTTP CONNECT failed, incorrect response "
2178 "from proxy\n", prog);
2179 foundit = error_proto;
2180 } else if (mbuf[9] != '2') {
2181 BIO_printf(bio_err, "%s: HTTP CONNECT failed: %s ", prog,
2182 &mbuf[9]);
2183 } else {
2184 foundit = success;
2185 }
2186 if (foundit != error_proto) {
2187 /* Read past all following headers */
2188 do {
2189 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2190 } while (mbuf_len > 2);
2191 }
2192 (void)BIO_flush(fbio);
2193 BIO_pop(fbio);
2194 BIO_free(fbio);
2195 if (foundit != success) {
2196 goto shut;
2197 }
2198 }
2199 break;
2200 case PROTO_IRC:
2201 {
2202 int numeric;
2203 BIO *fbio = BIO_new(BIO_f_buffer());
2204
2205 BIO_push(fbio, sbio);
2206 BIO_printf(fbio, "STARTTLS\r\n");
2207 (void)BIO_flush(fbio);
2208 width = SSL_get_fd(con) + 1;
2209
2210 do {
2211 numeric = 0;
2212
2213 FD_ZERO(&readfds);
2214 openssl_fdset(SSL_get_fd(con), &readfds);
2215 timeout.tv_sec = S_CLIENT_IRC_READ_TIMEOUT;
2216 timeout.tv_usec = 0;
2217 /*
2218 * If the IRCd doesn't respond within
2219 * S_CLIENT_IRC_READ_TIMEOUT seconds, assume
2220 * it doesn't support STARTTLS. Many IRCds
2221 * will not give _any_ sort of response to a
2222 * STARTTLS command when it's not supported.
2223 */
2224 if (!BIO_get_buffer_num_lines(fbio)
2225 && !BIO_pending(fbio)
2226 && !BIO_pending(sbio)
2227 && select(width, (void *)&readfds, NULL, NULL,
2228 &timeout) < 1) {
2229 BIO_printf(bio_err,
2230 "Timeout waiting for response (%d seconds).\n",
2231 S_CLIENT_IRC_READ_TIMEOUT);
2232 break;
2233 }
2234
2235 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2236 if (mbuf_len < 1 || sscanf(mbuf, "%*s %d", &numeric) != 1)
2237 break;
2238 /* :example.net 451 STARTTLS :You have not registered */
2239 /* :example.net 421 STARTTLS :Unknown command */
2240 if ((numeric == 451 || numeric == 421)
2241 && strstr(mbuf, "STARTTLS") != NULL) {
2242 BIO_printf(bio_err, "STARTTLS not supported: %s", mbuf);
2243 break;
2244 }
2245 if (numeric == 691) {
2246 BIO_printf(bio_err, "STARTTLS negotiation failed: ");
2247 ERR_print_errors(bio_err);
2248 break;
2249 }
2250 } while (numeric != 670);
2251
2252 (void)BIO_flush(fbio);
2253 BIO_pop(fbio);
2254 BIO_free(fbio);
2255 if (numeric != 670) {
2256 BIO_printf(bio_err, "Server does not support STARTTLS.\n");
2257 ret = 1;
2258 goto shut;
2259 }
2260 }
2261 break;
2262 case PROTO_MYSQL:
2263 {
2264 /* SSL request packet */
2265 static const unsigned char ssl_req[] = {
2266 /* payload_length, sequence_id */
2267 0x20, 0x00, 0x00, 0x01,
2268 /* payload */
2269 /* capability flags, CLIENT_SSL always set */
2270 0x85, 0xae, 0x7f, 0x00,
2271 /* max-packet size */
2272 0x00, 0x00, 0x00, 0x01,
2273 /* character set */
2274 0x21,
2275 /* string[23] reserved (all [0]) */
2276 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
2277 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
2278 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
2279 };
2280 int bytes = 0;
2281 int ssl_flg = 0x800;
2282 int pos;
2283 const unsigned char *packet = (const unsigned char *)sbuf;
2284
2285 /* Receiving Initial Handshake packet. */
2286 bytes = BIO_read(sbio, (void *)packet, BUFSIZZ);
2287 if (bytes < 0) {
2288 BIO_printf(bio_err, "BIO_read failed\n");
2289 goto shut;
2290 /* Packet length[3], Packet number[1] + minimum payload[17] */
2291 } else if (bytes < 21) {
2292 BIO_printf(bio_err, "MySQL packet too short.\n");
2293 goto shut;
2294 } else if (bytes != (4 + packet[0] +
2295 (packet[1] << 8) +
2296 (packet[2] << 16))) {
2297 BIO_printf(bio_err, "MySQL packet length does not match.\n");
2298 goto shut;
2299 /* protocol version[1] */
2300 } else if (packet[4] != 0xA) {
2301 BIO_printf(bio_err,
2302 "Only MySQL protocol version 10 is supported.\n");
2303 goto shut;
2304 }
2305
2306 pos = 5;
2307 /* server version[string+NULL] */
2308 for (;;) {
2309 if (pos >= bytes) {
2310 BIO_printf(bio_err, "Cannot confirm server version. ");
2311 goto shut;
2312 } else if (packet[pos++] == '\0') {
2313 break;
2314 }
2315 pos++;
2316 }
2317
2318 /* make sure we have more 15 bytes left in the packet */
2319 if (pos + 15 > bytes) {
2320 BIO_printf(bio_err,
2321 "MySQL server handshake packet is broken.\n");
2322 goto shut;
2323 }
2324
2325 pos += 12; /* skip over conn id[4] + SALT[8] */
2326 if (packet[pos++] != '\0') { /* verify filler */
2327 BIO_printf(bio_err,
2328 "MySQL packet is broken.\n");
2329 goto shut;
2330 }
2331
2332 /* capability flags[2] */
2333 if (!((packet[pos] + (packet[pos + 1] << 8)) & ssl_flg)) {
2334 BIO_printf(bio_err, "MySQL server does not support SSL.\n");
2335 goto shut;
2336 }
2337
2338 /* Sending SSL Handshake packet. */
2339 BIO_write(sbio, ssl_req, sizeof(ssl_req));
2340 (void)BIO_flush(sbio);
2341 }
2342 break;
2343 case PROTO_POSTGRES:
2344 {
2345 static const unsigned char ssl_request[] = {
2346 /* Length SSLRequest */
2347 0, 0, 0, 8, 4, 210, 22, 47
2348 };
2349 int bytes;
2350
2351 /* Send SSLRequest packet */
2352 BIO_write(sbio, ssl_request, 8);
2353 (void)BIO_flush(sbio);
2354
2355 /* Reply will be a single S if SSL is enabled */
2356 bytes = BIO_read(sbio, sbuf, BUFSIZZ);
2357 if (bytes != 1 || sbuf[0] != 'S')
2358 goto shut;
2359 }
2360 break;
2361 case PROTO_NNTP:
2362 {
2363 int foundit = 0;
2364 BIO *fbio = BIO_new(BIO_f_buffer());
2365
2366 BIO_push(fbio, sbio);
2367 BIO_gets(fbio, mbuf, BUFSIZZ);
2368 /* STARTTLS command requires CAPABILITIES... */
2369 BIO_printf(fbio, "CAPABILITIES\r\n");
2370 (void)BIO_flush(fbio);
2371 /* wait for multi-line CAPABILITIES response */
2372 do {
2373 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2374 if (strstr(mbuf, "STARTTLS"))
2375 foundit = 1;
2376 } while (mbuf_len > 1 && mbuf[0] != '.');
2377 (void)BIO_flush(fbio);
2378 BIO_pop(fbio);
2379 BIO_free(fbio);
2380 if (!foundit)
2381 BIO_printf(bio_err,
2382 "Didn't find STARTTLS in server response,"
2383 " trying anyway...\n");
2384 BIO_printf(sbio, "STARTTLS\r\n");
2385 mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ);
2386 if (mbuf_len < 0) {
2387 BIO_printf(bio_err, "BIO_read failed\n");
2388 goto end;
2389 }
2390 mbuf[mbuf_len] = '\0';
2391 if (strstr(mbuf, "382") == NULL) {
2392 BIO_printf(bio_err, "STARTTLS failed: %s", mbuf);
2393 goto shut;
2394 }
2395 }
2396 break;
2397 case PROTO_SIEVE:
2398 {
2399 int foundit = 0;
2400 BIO *fbio = BIO_new(BIO_f_buffer());
2401
2402 BIO_push(fbio, sbio);
2403 /* wait for multi-line response to end from Sieve */
2404 do {
2405 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2406 /*
2407 * According to RFC 5804 § 1.7, capability
2408 * is case-insensitive, make it uppercase
2409 */
2410 if (mbuf_len > 1 && mbuf[0] == '"') {
2411 make_uppercase(mbuf);
2412 if (strncmp(mbuf, "\"STARTTLS\"", 10) == 0)
2413 foundit = 1;
2414 }
2415 } while (mbuf_len > 1 && mbuf[0] == '"');
2416 (void)BIO_flush(fbio);
2417 BIO_pop(fbio);
2418 BIO_free(fbio);
2419 if (!foundit)
2420 BIO_printf(bio_err,
2421 "Didn't find STARTTLS in server response,"
2422 " trying anyway...\n");
2423 BIO_printf(sbio, "STARTTLS\r\n");
2424 mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ);
2425 if (mbuf_len < 0) {
2426 BIO_printf(bio_err, "BIO_read failed\n");
2427 goto end;
2428 }
2429 mbuf[mbuf_len] = '\0';
2430 if (mbuf_len < 2) {
2431 BIO_printf(bio_err, "STARTTLS failed: %s", mbuf);
2432 goto shut;
2433 }
2434 /*
2435 * According to RFC 5804 § 2.2, response codes are case-
2436 * insensitive, make it uppercase but preserve the response.
2437 */
2438 strncpy(sbuf, mbuf, 2);
2439 make_uppercase(sbuf);
2440 if (strncmp(sbuf, "OK", 2) != 0) {
2441 BIO_printf(bio_err, "STARTTLS not supported: %s", mbuf);
2442 goto shut;
2443 }
2444 }
2445 break;
2446 case PROTO_LDAP:
2447 {
2448 /* StartTLS Operation according to RFC 4511 */
2449 static char ldap_tls_genconf[] = "asn1=SEQUENCE:LDAPMessage\n"
2450 "[LDAPMessage]\n"
2451 "messageID=INTEGER:1\n"
2452 "extendedReq=EXPLICIT:23A,IMPLICIT:0C,"
2453 "FORMAT:ASCII,OCT:1.3.6.1.4.1.1466.20037\n";
2454 long errline = -1;
2455 char *genstr = NULL;
2456 int result = -1;
2457 ASN1_TYPE *atyp = NULL;
2458 BIO *ldapbio = BIO_new(BIO_s_mem());
2459 CONF *cnf = NCONF_new(NULL);
2460
2461 if (cnf == NULL) {
2462 BIO_free(ldapbio);
2463 goto end;
2464 }
2465 BIO_puts(ldapbio, ldap_tls_genconf);
2466 if (NCONF_load_bio(cnf, ldapbio, &errline) <= 0) {
2467 BIO_free(ldapbio);
2468 NCONF_free(cnf);
2469 if (errline <= 0) {
2470 BIO_printf(bio_err, "NCONF_load_bio failed\n");
2471 goto end;
2472 } else {
2473 BIO_printf(bio_err, "Error on line %ld\n", errline);
2474 goto end;
2475 }
2476 }
2477 BIO_free(ldapbio);
2478 genstr = NCONF_get_string(cnf, "default", "asn1");
2479 if (genstr == NULL) {
2480 NCONF_free(cnf);
2481 BIO_printf(bio_err, "NCONF_get_string failed\n");
2482 goto end;
2483 }
2484 atyp = ASN1_generate_nconf(genstr, cnf);
2485 if (atyp == NULL) {
2486 NCONF_free(cnf);
2487 BIO_printf(bio_err, "ASN1_generate_nconf failed\n");
2488 goto end;
2489 }
2490 NCONF_free(cnf);
2491
2492 /* Send SSLRequest packet */
2493 BIO_write(sbio, atyp->value.sequence->data,
2494 atyp->value.sequence->length);
2495 (void)BIO_flush(sbio);
2496 ASN1_TYPE_free(atyp);
2497
2498 mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ);
2499 if (mbuf_len < 0) {
2500 BIO_printf(bio_err, "BIO_read failed\n");
2501 goto end;
2502 }
2503 result = ldap_ExtendedResponse_parse(mbuf, mbuf_len);
2504 if (result < 0) {
2505 BIO_printf(bio_err, "ldap_ExtendedResponse_parse failed\n");
2506 goto shut;
2507 } else if (result > 0) {
2508 BIO_printf(bio_err, "STARTTLS failed, LDAP Result Code: %i\n",
2509 result);
2510 goto shut;
2511 }
2512 mbuf_len = 0;
2513 }
2514 break;
2515 }
2516
2517 if (early_data_file != NULL
2518 && SSL_get0_session(con) != NULL
2519 && SSL_SESSION_get_max_early_data(SSL_get0_session(con)) > 0) {
2520 BIO *edfile = BIO_new_file(early_data_file, "r");
2521 size_t readbytes, writtenbytes;
2522 int finish = 0;
2523
2524 if (edfile == NULL) {
2525 BIO_printf(bio_err, "Cannot open early data file\n");
2526 goto shut;
2527 }
2528
2529 while (!finish) {
2530 if (!BIO_read_ex(edfile, cbuf, BUFSIZZ, &readbytes))
2531 finish = 1;
2532
2533 while (!SSL_write_early_data(con, cbuf, readbytes, &writtenbytes)) {
2534 switch (SSL_get_error(con, 0)) {
2535 case SSL_ERROR_WANT_WRITE:
2536 case SSL_ERROR_WANT_ASYNC:
2537 case SSL_ERROR_WANT_READ:
2538 /* Just keep trying - busy waiting */
2539 continue;
2540 default:
2541 BIO_printf(bio_err, "Error writing early data\n");
2542 BIO_free(edfile);
2543 goto shut;
2544 }
2545 }
2546 }
2547
2548 BIO_free(edfile);
2549 }
2550
2551 for (;;) {
2552 FD_ZERO(&readfds);
2553 FD_ZERO(&writefds);
2554
2555 if ((SSL_version(con) == DTLS1_VERSION) &&
2556 DTLSv1_get_timeout(con, &timeout))
2557 timeoutp = &timeout;
2558 else
2559 timeoutp = NULL;
2560
2561 if (!SSL_is_init_finished(con) && SSL_total_renegotiations(con) == 0
2562 && SSL_get_key_update_type(con) == SSL_KEY_UPDATE_NONE) {
2563 in_init = 1;
2564 tty_on = 0;
2565 } else {
2566 tty_on = 1;
2567 if (in_init) {
2568 in_init = 0;
2569
2570 if (c_brief) {
2571 BIO_puts(bio_err, "CONNECTION ESTABLISHED\n");
2572 print_ssl_summary(con);
2573 }
2574
2575 print_stuff(bio_c_out, con, full_log);
2576 if (full_log > 0)
2577 full_log--;
2578
2579 if (starttls_proto) {
2580 BIO_write(bio_err, mbuf, mbuf_len);
2581 /* We don't need to know any more */
2582 if (!reconnect)
2583 starttls_proto = PROTO_OFF;
2584 }
2585
2586 if (reconnect) {
2587 reconnect--;
2588 BIO_printf(bio_c_out,
2589 "drop connection and then reconnect\n");
2590 do_ssl_shutdown(con);
2591 SSL_set_connect_state(con);
2592 BIO_closesocket(SSL_get_fd(con));
2593 goto re_start;
2594 }
2595 }
2596 }
2597
2598 ssl_pending = read_ssl && SSL_has_pending(con);
2599
2600 if (!ssl_pending) {
2601 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
2602 if (tty_on) {
2603 /*
2604 * Note that select() returns when read _would not block_,
2605 * and EOF satisfies that. To avoid a CPU-hogging loop,
2606 * set the flag so we exit.
2607 */
2608 if (read_tty && !at_eof)
2609 openssl_fdset(fileno_stdin(), &readfds);
2610 #if !defined(OPENSSL_SYS_VMS)
2611 if (write_tty)
2612 openssl_fdset(fileno_stdout(), &writefds);
2613 #endif
2614 }
2615 if (read_ssl)
2616 openssl_fdset(SSL_get_fd(con), &readfds);
2617 if (write_ssl)
2618 openssl_fdset(SSL_get_fd(con), &writefds);
2619 #else
2620 if (!tty_on || !write_tty) {
2621 if (read_ssl)
2622 openssl_fdset(SSL_get_fd(con), &readfds);
2623 if (write_ssl)
2624 openssl_fdset(SSL_get_fd(con), &writefds);
2625 }
2626 #endif
2627
2628 /*
2629 * Note: under VMS with SOCKETSHR the second parameter is
2630 * currently of type (int *) whereas under other systems it is
2631 * (void *) if you don't have a cast it will choke the compiler:
2632 * if you do have a cast then you can either go for (int *) or
2633 * (void *).
2634 */
2635 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2636 /*
2637 * Under Windows/DOS we make the assumption that we can always
2638 * write to the tty: therefore if we need to write to the tty we
2639 * just fall through. Otherwise we timeout the select every
2640 * second and see if there are any keypresses. Note: this is a
2641 * hack, in a proper Windows application we wouldn't do this.
2642 */
2643 i = 0;
2644 if (!write_tty) {
2645 if (read_tty) {
2646 tv.tv_sec = 1;
2647 tv.tv_usec = 0;
2648 i = select(width, (void *)&readfds, (void *)&writefds,
2649 NULL, &tv);
2650 if (!i && (!has_stdin_waiting() || !read_tty))
2651 continue;
2652 } else
2653 i = select(width, (void *)&readfds, (void *)&writefds,
2654 NULL, timeoutp);
2655 }
2656 #else
2657 i = select(width, (void *)&readfds, (void *)&writefds,
2658 NULL, timeoutp);
2659 #endif
2660 if (i < 0) {
2661 BIO_printf(bio_err, "bad select %d\n",
2662 get_last_socket_error());
2663 goto shut;
2664 }
2665 }
2666
2667 if ((SSL_version(con) == DTLS1_VERSION)
2668 && DTLSv1_handle_timeout(con) > 0) {
2669 BIO_printf(bio_err, "TIMEOUT occurred\n");
2670 }
2671
2672 if (!ssl_pending && FD_ISSET(SSL_get_fd(con), &writefds)) {
2673 k = SSL_write(con, &(cbuf[cbuf_off]), (unsigned int)cbuf_len);
2674 switch (SSL_get_error(con, k)) {
2675 case SSL_ERROR_NONE:
2676 cbuf_off += k;
2677 cbuf_len -= k;
2678 if (k <= 0)
2679 goto end;
2680 /* we have done a write(con,NULL,0); */
2681 if (cbuf_len <= 0) {
2682 read_tty = 1;
2683 write_ssl = 0;
2684 } else { /* if (cbuf_len > 0) */
2685
2686 read_tty = 0;
2687 write_ssl = 1;
2688 }
2689 break;
2690 case SSL_ERROR_WANT_WRITE:
2691 BIO_printf(bio_c_out, "write W BLOCK\n");
2692 write_ssl = 1;
2693 read_tty = 0;
2694 break;
2695 case SSL_ERROR_WANT_ASYNC:
2696 BIO_printf(bio_c_out, "write A BLOCK\n");
2697 wait_for_async(con);
2698 write_ssl = 1;
2699 read_tty = 0;
2700 break;
2701 case SSL_ERROR_WANT_READ:
2702 BIO_printf(bio_c_out, "write R BLOCK\n");
2703 write_tty = 0;
2704 read_ssl = 1;
2705 write_ssl = 0;
2706 break;
2707 case SSL_ERROR_WANT_X509_LOOKUP:
2708 BIO_printf(bio_c_out, "write X BLOCK\n");
2709 break;
2710 case SSL_ERROR_ZERO_RETURN:
2711 if (cbuf_len != 0) {
2712 BIO_printf(bio_c_out, "shutdown\n");
2713 ret = 0;
2714 goto shut;
2715 } else {
2716 read_tty = 1;
2717 write_ssl = 0;
2718 break;
2719 }
2720
2721 case SSL_ERROR_SYSCALL:
2722 if ((k != 0) || (cbuf_len != 0)) {
2723 BIO_printf(bio_err, "write:errno=%d\n",
2724 get_last_socket_error());
2725 goto shut;
2726 } else {
2727 read_tty = 1;
2728 write_ssl = 0;
2729 }
2730 break;
2731 case SSL_ERROR_WANT_ASYNC_JOB:
2732 /* This shouldn't ever happen in s_client - treat as an error */
2733 case SSL_ERROR_SSL:
2734 ERR_print_errors(bio_err);
2735 goto shut;
2736 }
2737 }
2738 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_VMS)
2739 /* Assume Windows/DOS/BeOS can always write */
2740 else if (!ssl_pending && write_tty)
2741 #else
2742 else if (!ssl_pending && FD_ISSET(fileno_stdout(), &writefds))
2743 #endif
2744 {
2745 #ifdef CHARSET_EBCDIC
2746 ascii2ebcdic(&(sbuf[sbuf_off]), &(sbuf[sbuf_off]), sbuf_len);
2747 #endif
2748 i = raw_write_stdout(&(sbuf[sbuf_off]), sbuf_len);
2749
2750 if (i <= 0) {
2751 BIO_printf(bio_c_out, "DONE\n");
2752 ret = 0;
2753 goto shut;
2754 }
2755
2756 sbuf_len -= i;
2757 sbuf_off += i;
2758 if (sbuf_len <= 0) {
2759 read_ssl = 1;
2760 write_tty = 0;
2761 }
2762 } else if (ssl_pending || FD_ISSET(SSL_get_fd(con), &readfds)) {
2763 #ifdef RENEG
2764 {
2765 static int iiii;
2766 if (++iiii == 52) {
2767 SSL_renegotiate(con);
2768 iiii = 0;
2769 }
2770 }
2771 #endif
2772 k = SSL_read(con, sbuf, 1024 /* BUFSIZZ */ );
2773
2774 switch (SSL_get_error(con, k)) {
2775 case SSL_ERROR_NONE:
2776 if (k <= 0)
2777 goto end;
2778 sbuf_off = 0;
2779 sbuf_len = k;
2780
2781 read_ssl = 0;
2782 write_tty = 1;
2783 break;
2784 case SSL_ERROR_WANT_ASYNC:
2785 BIO_printf(bio_c_out, "read A BLOCK\n");
2786 wait_for_async(con);
2787 write_tty = 0;
2788 read_ssl = 1;
2789 if ((read_tty == 0) && (write_ssl == 0))
2790 write_ssl = 1;
2791 break;
2792 case SSL_ERROR_WANT_WRITE:
2793 BIO_printf(bio_c_out, "read W BLOCK\n");
2794 write_ssl = 1;
2795 read_tty = 0;
2796 break;
2797 case SSL_ERROR_WANT_READ:
2798 BIO_printf(bio_c_out, "read R BLOCK\n");
2799 write_tty = 0;
2800 read_ssl = 1;
2801 if ((read_tty == 0) && (write_ssl == 0))
2802 write_ssl = 1;
2803 break;
2804 case SSL_ERROR_WANT_X509_LOOKUP:
2805 BIO_printf(bio_c_out, "read X BLOCK\n");
2806 break;
2807 case SSL_ERROR_SYSCALL:
2808 ret = get_last_socket_error();
2809 if (c_brief)
2810 BIO_puts(bio_err, "CONNECTION CLOSED BY SERVER\n");
2811 else
2812 BIO_printf(bio_err, "read:errno=%d\n", ret);
2813 goto shut;
2814 case SSL_ERROR_ZERO_RETURN:
2815 BIO_printf(bio_c_out, "closed\n");
2816 ret = 0;
2817 goto shut;
2818 case SSL_ERROR_WANT_ASYNC_JOB:
2819 /* This shouldn't ever happen in s_client. Treat as an error */
2820 case SSL_ERROR_SSL:
2821 ERR_print_errors(bio_err);
2822 goto shut;
2823 }
2824 }
2825 /* OPENSSL_SYS_MSDOS includes OPENSSL_SYS_WINDOWS */
2826 #if defined(OPENSSL_SYS_MSDOS)
2827 else if (has_stdin_waiting())
2828 #else
2829 else if (FD_ISSET(fileno_stdin(), &readfds))
2830 #endif
2831 {
2832 if (crlf) {
2833 int j, lf_num;
2834
2835 i = raw_read_stdin(cbuf, BUFSIZZ / 2);
2836 lf_num = 0;
2837 /* both loops are skipped when i <= 0 */
2838 for (j = 0; j < i; j++)
2839 if (cbuf[j] == '\n')
2840 lf_num++;
2841 for (j = i - 1; j >= 0; j--) {
2842 cbuf[j + lf_num] = cbuf[j];
2843 if (cbuf[j] == '\n') {
2844 lf_num--;
2845 i++;
2846 cbuf[j + lf_num] = '\r';
2847 }
2848 }
2849 assert(lf_num == 0);
2850 } else
2851 i = raw_read_stdin(cbuf, BUFSIZZ);
2852 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
2853 if (i == 0)
2854 at_eof = 1;
2855 #endif
2856
2857 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q' && cmdletters))) {
2858 BIO_printf(bio_err, "DONE\n");
2859 ret = 0;
2860 goto shut;
2861 }
2862
2863 if ((!c_ign_eof) && (cbuf[0] == 'R' && cmdletters)) {
2864 BIO_printf(bio_err, "RENEGOTIATING\n");
2865 SSL_renegotiate(con);
2866 cbuf_len = 0;
2867 }
2868
2869 if (!c_ign_eof && (cbuf[0] == 'K' || cbuf[0] == 'k' )
2870 && cmdletters) {
2871 BIO_printf(bio_err, "KEYUPDATE\n");
2872 SSL_key_update(con,
2873 cbuf[0] == 'K' ? SSL_KEY_UPDATE_REQUESTED
2874 : SSL_KEY_UPDATE_NOT_REQUESTED);
2875 cbuf_len = 0;
2876 }
2877 #ifndef OPENSSL_NO_HEARTBEATS
2878 else if ((!c_ign_eof) && (cbuf[0] == 'B' && cmdletters)) {
2879 BIO_printf(bio_err, "HEARTBEATING\n");
2880 SSL_heartbeat(con);
2881 cbuf_len = 0;
2882 }
2883 #endif
2884 else {
2885 cbuf_len = i;
2886 cbuf_off = 0;
2887 #ifdef CHARSET_EBCDIC
2888 ebcdic2ascii(cbuf, cbuf, i);
2889 #endif
2890 }
2891
2892 write_ssl = 1;
2893 read_tty = 0;
2894 }
2895 }
2896
2897 ret = 0;
2898 shut:
2899 if (in_init)
2900 print_stuff(bio_c_out, con, full_log);
2901 do_ssl_shutdown(con);
2902 #if defined(OPENSSL_SYS_WINDOWS)
2903 /*
2904 * Give the socket time to send its last data before we close it.
2905 * No amount of setting SO_LINGER etc on the socket seems to persuade
2906 * Windows to send the data before closing the socket...but sleeping
2907 * for a short time seems to do it (units in ms)
2908 * TODO: Find a better way to do this
2909 */
2910 Sleep(50);
2911 #endif
2912 BIO_closesocket(SSL_get_fd(con));
2913 end:
2914 if (con != NULL) {
2915 if (prexit != 0)
2916 print_stuff(bio_c_out, con, 1);
2917 SSL_free(con);
2918 }
2919 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2920 OPENSSL_free(next_proto.data);
2921 #endif
2922 SSL_CTX_free(ctx);
2923 set_keylog_file(NULL, NULL);
2924 X509_free(cert);
2925 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2926 EVP_PKEY_free(key);
2927 sk_X509_pop_free(chain, X509_free);
2928 OPENSSL_free(pass);
2929 #ifndef OPENSSL_NO_SRP
2930 OPENSSL_free(srp_arg.srppassin);
2931 #endif
2932 OPENSSL_free(connectstr);
2933 OPENSSL_free(host);
2934 OPENSSL_free(port);
2935 X509_VERIFY_PARAM_free(vpm);
2936 ssl_excert_free(exc);
2937 sk_OPENSSL_STRING_free(ssl_args);
2938 sk_OPENSSL_STRING_free(dane_tlsa_rrset);
2939 SSL_CONF_CTX_free(cctx);
2940 OPENSSL_clear_free(cbuf, BUFSIZZ);
2941 OPENSSL_clear_free(sbuf, BUFSIZZ);
2942 OPENSSL_clear_free(mbuf, BUFSIZZ);
2943 release_engine(e);
2944 BIO_free(bio_c_out);
2945 bio_c_out = NULL;
2946 BIO_free(bio_c_msg);
2947 bio_c_msg = NULL;
2948 return (ret);
2949 }
2950
2951 static void print_stuff(BIO *bio, SSL *s, int full)
2952 {
2953 X509 *peer = NULL;
2954 STACK_OF(X509) *sk;
2955 const SSL_CIPHER *c;
2956 int i;
2957 #ifndef OPENSSL_NO_COMP
2958 const COMP_METHOD *comp, *expansion;
2959 #endif
2960 unsigned char *exportedkeymat;
2961 #ifndef OPENSSL_NO_CT
2962 const SSL_CTX *ctx = SSL_get_SSL_CTX(s);
2963 #endif
2964
2965 if (full) {
2966 int got_a_chain = 0;
2967
2968 sk = SSL_get_peer_cert_chain(s);
2969 if (sk != NULL) {
2970 got_a_chain = 1;
2971
2972 BIO_printf(bio, "---\nCertificate chain\n");
2973 for (i = 0; i < sk_X509_num(sk); i++) {
2974 BIO_printf(bio, "%2d s:", i);
2975 X509_NAME_print_ex(bio, X509_get_subject_name(sk_X509_value(sk, i)), 0, get_nameopt());
2976 BIO_puts(bio, "\n");
2977 BIO_printf(bio, " i:");
2978 X509_NAME_print_ex(bio, X509_get_issuer_name(sk_X509_value(sk, i)), 0, get_nameopt());
2979 BIO_puts(bio, "\n");
2980 if (c_showcerts)
2981 PEM_write_bio_X509(bio, sk_X509_value(sk, i));
2982 }
2983 }
2984
2985 BIO_printf(bio, "---\n");
2986 peer = SSL_get_peer_certificate(s);
2987 if (peer != NULL) {
2988 BIO_printf(bio, "Server certificate\n");
2989
2990 /* Redundant if we showed the whole chain */
2991 if (!(c_showcerts && got_a_chain))
2992 PEM_write_bio_X509(bio, peer);
2993 dump_cert_text(bio, peer);
2994 } else {
2995 BIO_printf(bio, "no peer certificate available\n");
2996 }
2997 print_ca_names(bio, s);
2998
2999 ssl_print_sigalgs(bio, s);
3000 ssl_print_tmp_key(bio, s);
3001
3002 #ifndef OPENSSL_NO_CT
3003 /*
3004 * When the SSL session is anonymous, or resumed via an abbreviated
3005 * handshake, no SCTs are provided as part of the handshake. While in
3006 * a resumed session SCTs may be present in the session's certificate,
3007 * no callbacks are invoked to revalidate these, and in any case that
3008 * set of SCTs may be incomplete. Thus it makes little sense to
3009 * attempt to display SCTs from a resumed session's certificate, and of
3010 * course none are associated with an anonymous peer.
3011 */
3012 if (peer != NULL && !SSL_session_reused(s) && SSL_ct_is_enabled(s)) {
3013 const STACK_OF(SCT) *scts = SSL_get0_peer_scts(s);
3014 int sct_count = scts != NULL ? sk_SCT_num(scts) : 0;
3015
3016 BIO_printf(bio, "---\nSCTs present (%i)\n", sct_count);
3017 if (sct_count > 0) {
3018 const CTLOG_STORE *log_store = SSL_CTX_get0_ctlog_store(ctx);
3019
3020 BIO_printf(bio, "---\n");
3021 for (i = 0; i < sct_count; ++i) {
3022 SCT *sct = sk_SCT_value(scts, i);
3023
3024 BIO_printf(bio, "SCT validation status: %s\n",
3025 SCT_validation_status_string(sct));
3026 SCT_print(sct, bio, 0, log_store);
3027 if (i < sct_count - 1)
3028 BIO_printf(bio, "\n---\n");
3029 }
3030 BIO_printf(bio, "\n");
3031 }
3032 }
3033 #endif
3034
3035 BIO_printf(bio,
3036 "---\nSSL handshake has read %ju bytes "
3037 "and written %ju bytes\n",
3038 BIO_number_read(SSL_get_rbio(s)),
3039 BIO_number_written(SSL_get_wbio(s)));
3040 }
3041 print_verify_detail(s, bio);
3042 BIO_printf(bio, (SSL_session_reused(s) ? "---\nReused, " : "---\nNew, "));
3043 c = SSL_get_current_cipher(s);
3044 BIO_printf(bio, "%s, Cipher is %s\n",
3045 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
3046 if (peer != NULL) {
3047 EVP_PKEY *pktmp;
3048
3049 pktmp = X509_get0_pubkey(peer);
3050 BIO_printf(bio, "Server public key is %d bit\n",
3051 EVP_PKEY_bits(pktmp));
3052 }
3053 BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
3054 SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
3055 #ifndef OPENSSL_NO_COMP
3056 comp = SSL_get_current_compression(s);
3057 expansion = SSL_get_current_expansion(s);
3058 BIO_printf(bio, "Compression: %s\n",
3059 comp ? SSL_COMP_get_name(comp) : "NONE");
3060 BIO_printf(bio, "Expansion: %s\n",
3061 expansion ? SSL_COMP_get_name(expansion) : "NONE");
3062 #endif
3063
3064 #ifdef SSL_DEBUG
3065 {
3066 /* Print out local port of connection: useful for debugging */
3067 int sock;
3068 union BIO_sock_info_u info;
3069
3070 sock = SSL_get_fd(s);
3071 if ((info.addr = BIO_ADDR_new()) != NULL
3072 && BIO_sock_info(sock, BIO_SOCK_INFO_ADDRESS, &info)) {
3073 BIO_printf(bio_c_out, "LOCAL PORT is %u\n",
3074 ntohs(BIO_ADDR_rawport(info.addr)));
3075 }
3076 BIO_ADDR_free(info.addr);
3077 }
3078 #endif
3079
3080 #if !defined(OPENSSL_NO_NEXTPROTONEG)
3081 if (next_proto.status != -1) {
3082 const unsigned char *proto;
3083 unsigned int proto_len;
3084 SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
3085 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
3086 BIO_write(bio, proto, proto_len);
3087 BIO_write(bio, "\n", 1);
3088 }
3089 #endif
3090 {
3091 const unsigned char *proto;
3092 unsigned int proto_len;
3093 SSL_get0_alpn_selected(s, &proto, &proto_len);
3094 if (proto_len > 0) {
3095 BIO_printf(bio, "ALPN protocol: ");
3096 BIO_write(bio, proto, proto_len);
3097 BIO_write(bio, "\n", 1);
3098 } else
3099 BIO_printf(bio, "No ALPN negotiated\n");
3100 }
3101
3102 #ifndef OPENSSL_NO_SRTP
3103 {
3104 SRTP_PROTECTION_PROFILE *srtp_profile =
3105 SSL_get_selected_srtp_profile(s);
3106
3107 if (srtp_profile)
3108 BIO_printf(bio, "SRTP Extension negotiated, profile=%s\n",
3109 srtp_profile->name);
3110 }
3111 #endif
3112
3113 if (SSL_version(s) == TLS1_3_VERSION) {
3114 switch (SSL_get_early_data_status(s)) {
3115 case SSL_EARLY_DATA_NOT_SENT:
3116 BIO_printf(bio, "Early data was not sent\n");
3117 break;
3118
3119 case SSL_EARLY_DATA_REJECTED:
3120 BIO_printf(bio, "Early data was rejected\n");
3121 break;
3122
3123 case SSL_EARLY_DATA_ACCEPTED:
3124 BIO_printf(bio, "Early data was accepted\n");
3125 break;
3126
3127 }
3128 }
3129
3130 SSL_SESSION_print(bio, SSL_get_session(s));
3131 if (SSL_get_session(s) != NULL && keymatexportlabel != NULL) {
3132 BIO_printf(bio, "Keying material exporter:\n");
3133 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel);
3134 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen);
3135 exportedkeymat = app_malloc(keymatexportlen, "export key");
3136 if (!SSL_export_keying_material(s, exportedkeymat,
3137 keymatexportlen,
3138 keymatexportlabel,
3139 strlen(keymatexportlabel),
3140 NULL, 0, 0)) {
3141 BIO_printf(bio, " Error\n");
3142 } else {
3143 BIO_printf(bio, " Keying material: ");
3144 for (i = 0; i < keymatexportlen; i++)
3145 BIO_printf(bio, "%02X", exportedkeymat[i]);
3146 BIO_printf(bio, "\n");
3147 }
3148 OPENSSL_free(exportedkeymat);
3149 }
3150 BIO_printf(bio, "---\n");
3151 X509_free(peer);
3152 /* flush, or debugging output gets mixed with http response */
3153 (void)BIO_flush(bio);
3154 }
3155
3156 # ifndef OPENSSL_NO_OCSP
3157 static int ocsp_resp_cb(SSL *s, void *arg)
3158 {
3159 const unsigned char *p;
3160 int len;
3161 OCSP_RESPONSE *rsp;
3162 len = SSL_get_tlsext_status_ocsp_resp(s, &p);
3163 BIO_puts(arg, "OCSP response: ");
3164 if (!p) {
3165 BIO_puts(arg, "no response sent\n");
3166 return 1;
3167 }
3168 rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
3169 if (!rsp) {
3170 BIO_puts(arg, "response parse error\n");
3171 BIO_dump_indent(arg, (char *)p, len, 4);
3172 return 0;
3173 }
3174 BIO_puts(arg, "\n======================================\n");
3175 OCSP_RESPONSE_print(arg, rsp, 0);
3176 BIO_puts(arg, "======================================\n");
3177 OCSP_RESPONSE_free(rsp);
3178 return 1;
3179 }
3180 # endif
3181
3182 static int ldap_ExtendedResponse_parse(const char *buf, long rem)
3183 {
3184 const unsigned char *cur, *end;
3185 long len;
3186 int tag, xclass, inf, ret = -1;
3187
3188 cur = (const unsigned char *)buf;
3189 end = cur + rem;
3190
3191 /*
3192 * From RFC 4511:
3193 *
3194 * LDAPMessage ::= SEQUENCE {
3195 * messageID MessageID,
3196 * protocolOp CHOICE {
3197 * ...
3198 * extendedResp ExtendedResponse,
3199 * ... },
3200 * controls [0] Controls OPTIONAL }
3201 *
3202 * ExtendedResponse ::= [APPLICATION 24] SEQUENCE {
3203 * COMPONENTS OF LDAPResult,
3204 * responseName [10] LDAPOID OPTIONAL,
3205 * responseValue [11] OCTET STRING OPTIONAL }
3206 *
3207 * LDAPResult ::= SEQUENCE {
3208 * resultCode ENUMERATED {
3209 * success (0),
3210 * ...
3211 * other (80),
3212 * ... },
3213 * matchedDN LDAPDN,
3214 * diagnosticMessage LDAPString,
3215 * referral [3] Referral OPTIONAL }
3216 */
3217
3218 /* pull SEQUENCE */
3219 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3220 if (inf != V_ASN1_CONSTRUCTED || tag != V_ASN1_SEQUENCE ||
3221 (rem = end - cur, len > rem)) {
3222 BIO_printf(bio_err, "Unexpected LDAP response\n");
3223 goto end;
3224 }
3225
3226 rem = len; /* ensure that we don't overstep the SEQUENCE */
3227
3228 /* pull MessageID */
3229 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3230 if (inf != V_ASN1_UNIVERSAL || tag != V_ASN1_INTEGER ||
3231 (rem = end - cur, len > rem)) {
3232 BIO_printf(bio_err, "No MessageID\n");
3233 goto end;
3234 }
3235
3236 cur += len; /* shall we check for MessageId match or just skip? */
3237
3238 /* pull [APPLICATION 24] */
3239 rem = end - cur;
3240 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3241 if (inf != V_ASN1_CONSTRUCTED || xclass != V_ASN1_APPLICATION ||
3242 tag != 24) {
3243 BIO_printf(bio_err, "Not ExtendedResponse\n");
3244 goto end;
3245 }
3246
3247 /* pull resultCode */
3248 rem = end - cur;
3249 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3250 if (inf != V_ASN1_UNIVERSAL || tag != V_ASN1_ENUMERATED || len == 0 ||
3251 (rem = end - cur, len > rem)) {
3252 BIO_printf(bio_err, "Not LDAPResult\n");
3253 goto end;
3254 }
3255
3256 /* len should always be one, but just in case... */
3257 for (ret = 0, inf = 0; inf < len; inf++) {
3258 ret <<= 8;
3259 ret |= cur[inf];
3260 }
3261 /* There is more data, but we don't care... */
3262 end:
3263 return ret;
3264 }
3265
3266 #endif /* OPENSSL_NO_SOCK */
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