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Fix no-ec in combination with no-dh
[thirdparty/openssl.git] / apps / s_client.c
CommitLineData
846e33c7 1/*
48e5119a 2 * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
c80149d9 3 * Copyright 2005 Nokia. All rights reserved.
a661b653 4 *
846e33c7
RS		 5 * Licensed under the OpenSSL license (the "License"). You may not use
6 * this file except in compliance with the License. You can obtain a copy
7 * in the file LICENSE in the source distribution or at
8 * https://www.openssl.org/source/license.html
a661b653 9 */
846e33c7 10
07016a8a 11#include "e_os.h"
ddac1974 12#include <ctype.h>
8c197cc5
UM		 13#include <stdio.h>
14#include <stdlib.h>
15#include <string.h>
cddd424a 16#include <errno.h>
be1bd923 17#include <openssl/e_os2.h>
7e1b7485 18
f9e55034
MC		 19#ifndef OPENSSL_NO_SOCK
20
0f113f3e
MC		 21/*
22 * With IPv6, it looks like Digital has mixed up the proper order of
23 * recursive header file inclusion, resulting in the compiler complaining
24 * that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which is
25 * needed to have fileno() declared correctly... So let's define u_int
26 */
bc36ee62 27#if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
0f113f3e 28# define __U_INT
7d7d2cbc
UM		 29typedef unsigned int u_int;
30#endif
31
d02b48c6 32#include "apps.h"
dab2cd68 33#include "progs.h"
ec577822
BM		 34#include <openssl/x509.h>
35#include <openssl/ssl.h>
36#include <openssl/err.h>
37#include <openssl/pem.h>
1372965e 38#include <openssl/rand.h>
67c8e7f4 39#include <openssl/ocsp.h>
1e26a8ba 40#include <openssl/bn.h>
5e6f9775 41#include <openssl/async.h>
edc032b5 42#ifndef OPENSSL_NO_SRP
0f113f3e 43# include <openssl/srp.h>
edc032b5 44#endif
dd696a55
RP		 45#ifndef OPENSSL_NO_CT
46# include <openssl/ct.h>
47#endif
d02b48c6 48#include "s_apps.h"
36d16f8e 49#include "timeouts.h"
0e97f1e1 50#include "internal/sockets.h"
d02b48c6 51
efc943be
EK		 52#if defined(__has_feature)
53# if __has_feature(memory_sanitizer)
54# include <sanitizer/msan_interface.h>
55# endif
56#endif
57
d02b48c6
RE		 58#undef BUFSIZZ
59#define BUFSIZZ 1024*8
cfb4f1ef 60#define S_CLIENT_IRC_READ_TIMEOUT 8
d02b48c6 61
cddd424a 62static char *prog;
7e1b7485 63static int c_debug = 0;
0f113f3e 64static int c_showcerts = 0;
0f113f3e
MC		 65static char *keymatexportlabel = NULL;
66static int keymatexportlen = 20;
0f113f3e 67static BIO *bio_c_out = NULL;
0f113f3e 68static int c_quiet = 0;
be62b22b 69static char *sess_out = NULL;
e261bdd1 70static SSL_SESSION *psksess = NULL;
d02b48c6 71
0d4d5ab8 72static void print_stuff(BIO *berr, SSL *con, int full);
3e41ac35 73#ifndef OPENSSL_NO_OCSP
7e1b7485 74static int ocsp_resp_cb(SSL *s, void *arg);
3e41ac35 75#endif
398b0bbd 76static int ldap_ExtendedResponse_parse(const char *buf, long rem);
7e1b7485 77
cddd424a
VD		 78static int saved_errno;
79
80static void save_errno(void)
81{
82 saved_errno = errno;
83 errno = 0;
84}
85
86static int restore_errno(void)
87{
88 int ret = errno;
89 errno = saved_errno;
90 return ret;
91}
92
ec447924
MC		 93static void do_ssl_shutdown(SSL *ssl)
94{
95 int ret;
96
97 do {
98 /* We only do unidirectional shutdown */
99 ret = SSL_shutdown(ssl);
100 if (ret < 0) {
101 switch (SSL_get_error(ssl, ret)) {
102 case SSL_ERROR_WANT_READ:
103 case SSL_ERROR_WANT_WRITE:
104 case SSL_ERROR_WANT_ASYNC:
fc7f190c 105 case SSL_ERROR_WANT_ASYNC_JOB:
ec447924
MC		 106 /* We just do busy waiting. Nothing clever */
107 continue;
108 }
109 ret = 0;
110 }
111 } while (ret < 0);
112}
113
ddac1974 114/* Default PSK identity and key */
0f113f3e 115static char *psk_identity = "Client_identity";
ddac1974 116
14e35350 117#ifndef OPENSSL_NO_PSK
ddac1974 118static unsigned int psk_client_cb(SSL *ssl, const char *hint, char *identity,
0f113f3e
MC		 119 unsigned int max_identity_len,
120 unsigned char *psk,
121 unsigned int max_psk_len)
122{
0f113f3e 123 int ret;
6ec6d520
DSH		 124 long key_len;
125 unsigned char *key;
0f113f3e
MC		 126
127 if (c_debug)
128 BIO_printf(bio_c_out, "psk_client_cb\n");
129 if (!hint) {
130 /* no ServerKeyExchange message */
131 if (c_debug)
132 BIO_printf(bio_c_out,
133 "NULL received PSK identity hint, continuing anyway\n");
2234212c 134 } else if (c_debug) {
0f113f3e 135 BIO_printf(bio_c_out, "Received PSK identity hint '%s'\n", hint);
2234212c 136 }
0f113f3e
MC		 137
138 /*
139 * lookup PSK identity and PSK key based on the given identity hint here
140 */
141 ret = BIO_snprintf(identity, max_identity_len, "%s", psk_identity);
142 if (ret < 0 || (unsigned int)ret > max_identity_len)
143 goto out_err;
144 if (c_debug)
145 BIO_printf(bio_c_out, "created identity '%s' len=%d\n", identity,
146 ret);
6ec6d520
DSH		 147
148 /* convert the PSK key to binary */
149 key = OPENSSL_hexstr2buf(psk_key, &key_len);
150 if (key == NULL) {
151 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n",
0f113f3e 152 psk_key);
0f113f3e
MC		 153 return 0;
154 }
96a5d7fd 155 if (max_psk_len > INT_MAX || key_len > (long)max_psk_len) {
0f113f3e 156 BIO_printf(bio_err,
6ec6d520
DSH		 157 "psk buffer of callback is too small (%d) for key (%ld)\n",
158 max_psk_len, key_len);
159 OPENSSL_free(key);
0f113f3e
MC		 160 return 0;
161 }
ddac1974 162
6ec6d520
DSH		 163 memcpy(psk, key, key_len);
164 OPENSSL_free(key);
ddac1974 165
0f113f3e 166 if (c_debug)
6ec6d520 167 BIO_printf(bio_c_out, "created PSK len=%ld\n", key_len);
0f113f3e 168
6ec6d520 169 return key_len;
ddac1974 170 out_err:
0f113f3e
MC		 171 if (c_debug)
172 BIO_printf(bio_err, "Error in PSK client callback\n");
173 return 0;
174}
ddac1974
NL		 175#endif
176
adfc3786
MC		 177const unsigned char tls13_aes128gcmsha256_id[] = { 0x13, 0x01 };
178const unsigned char tls13_aes256gcmsha384_id[] = { 0x13, 0x02 };
5ffff599 179
e261bdd1
MC		 180static int psk_use_session_cb(SSL *s, const EVP_MD *md,
181 const unsigned char **id, size_t *idlen,
182 SSL_SESSION **sess)
183{
5ffff599
MC		 184 SSL_SESSION *usesess = NULL;
185 const SSL_CIPHER *cipher = NULL;
186
187 if (psksess != NULL) {
188 SSL_SESSION_up_ref(psksess);
189 usesess = psksess;
190 } else {
191 long key_len;
192 unsigned char *key = OPENSSL_hexstr2buf(psk_key, &key_len);
193
194 if (key == NULL) {
195 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n",
196 psk_key);
197 return 0;
198 }
199
e73c6eae
MC		 200 /* We default to SHA-256 */
201 cipher = SSL_CIPHER_find(s, tls13_aes128gcmsha256_id);
5ffff599 202 if (cipher == NULL) {
e73c6eae
MC		 203 BIO_printf(bio_err, "Error finding suitable ciphersuite\n");
204 return 0;
5ffff599 205 }
e73c6eae 206
5ffff599
MC		 207 usesess = SSL_SESSION_new();
208 if (usesess == NULL
209 || !SSL_SESSION_set1_master_key(usesess, key, key_len)
210 || !SSL_SESSION_set_cipher(usesess, cipher)
211 || !SSL_SESSION_set_protocol_version(usesess, TLS1_3_VERSION)) {
212 OPENSSL_free(key);
213 goto err;
214 }
215 OPENSSL_free(key);
216 }
217
218 cipher = SSL_SESSION_get0_cipher(usesess);
e261bdd1 219 if (cipher == NULL)
5ffff599 220 goto err;
e261bdd1 221
dc87d5a9
MC		 222 if (md != NULL && SSL_CIPHER_get_handshake_digest(cipher) != md) {
223 /* PSK not usable, ignore it */
224 *id = NULL;
225 *idlen = 0;
226 *sess = NULL;
227 SSL_SESSION_free(usesess);
228 } else {
229 *sess = usesess;
230 *id = (unsigned char *)psk_identity;
231 *idlen = strlen(psk_identity);
232 }
e261bdd1
MC		 233
234 return 1;
5ffff599
MC		 235
236 err:
237 SSL_SESSION_free(usesess);
238 return 0;
e261bdd1
MC		 239}
240
ed3883d2
BM		 241/* This is a context that we pass to callbacks */
242typedef struct tlsextctx_st {
0f113f3e
MC		 243 BIO *biodebug;
244 int ack;
ed3883d2
BM		 245} tlsextctx;
246
6d23cf97 247static int ssl_servername_cb(SSL *s, int *ad, void *arg)
0f113f3e
MC		 248{
249 tlsextctx *p = (tlsextctx *) arg;
250 const char *hn = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
251 if (SSL_get_servername_type(s) != -1)
252 p->ack = !SSL_session_reused(s) && hn != NULL;
253 else
254 BIO_printf(bio_err, "Can't use SSL_get_servername\n");
255
256 return SSL_TLSEXT_ERR_OK;
257}
ee2ffc27 258
e481f9b9 259#ifndef OPENSSL_NO_SRP
edc032b5
BL		 260
261/* This is a context that we pass to all callbacks */
0f113f3e
MC		 262typedef struct srp_arg_st {
263 char *srppassin;
264 char *srplogin;
265 int msg; /* copy from c_msg */
266 int debug; /* copy from c_debug */
267 int amp; /* allow more groups */
bde136c8 268 int strength; /* minimal size for N */
0f113f3e
MC		 269} SRP_ARG;
270
e481f9b9 271# define SRP_NUMBER_ITERATIONS_FOR_PRIME 64
edc032b5 272
f2fc3075 273static int srp_Verify_N_and_g(const BIGNUM *N, const BIGNUM *g)
0f113f3e
MC		 274{
275 BN_CTX *bn_ctx = BN_CTX_new();
276 BIGNUM *p = BN_new();
277 BIGNUM *r = BN_new();
278 int ret =
279 g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) &&
748e8530 280 BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) == 1 &&
0f113f3e
MC		 281 p != NULL && BN_rshift1(p, N) &&
282 /* p = (N-1)/2 */
748e8530 283 BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) == 1 &&
0f113f3e
MC		 284 r != NULL &&
285 /* verify g^((N-1)/2) == -1 (mod N) */
286 BN_mod_exp(r, g, p, N, bn_ctx) &&
287 BN_add_word(r, 1) && BN_cmp(r, N) == 0;
288
23a1d5e9
RS		 289 BN_free(r);
290 BN_free(p);
291 BN_CTX_free(bn_ctx);
0f113f3e
MC		 292 return ret;
293}
edc032b5 294
c80fd6b2
MC		 295/*-
296 * This callback is used here for two purposes:
297 * - extended debugging
298 * - making some primality tests for unknown groups
299 * The callback is only called for a non default group.
300 *
301 * An application does not need the call back at all if
bde136c8 302 * only the standard groups are used. In real life situations,
0f113f3e
MC		 303 * client and server already share well known groups,
304 * thus there is no need to verify them.
c80fd6b2 305 * Furthermore, in case that a server actually proposes a group that
0f113f3e
MC		 306 * is not one of those defined in RFC 5054, it is more appropriate
307 * to add the group to a static list and then compare since
c80fd6b2
MC		 308 * primality tests are rather cpu consuming.
309 */
f2fc3075 310
6d23cf97 311static int ssl_srp_verify_param_cb(SSL *s, void *arg)
0f113f3e
MC		 312{
313 SRP_ARG *srp_arg = (SRP_ARG *)arg;
314 BIGNUM *N = NULL, *g = NULL;
75ebbd9a
RS		 315
316 if (((N = SSL_get_srp_N(s)) == NULL) || ((g = SSL_get_srp_g(s)) == NULL))
0f113f3e
MC		 317 return 0;
318 if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1) {
319 BIO_printf(bio_err, "SRP parameters:\n");
320 BIO_printf(bio_err, "\tN=");
321 BN_print(bio_err, N);
322 BIO_printf(bio_err, "\n\tg=");
323 BN_print(bio_err, g);
324 BIO_printf(bio_err, "\n");
325 }
326
327 if (SRP_check_known_gN_param(g, N))
328 return 1;
329
330 if (srp_arg->amp == 1) {
331 if (srp_arg->debug)
332 BIO_printf(bio_err,
333 "SRP param N and g are not known params, going to check deeper.\n");
334
335 /*
336 * The srp_moregroups is a real debugging feature. Implementors
337 * should rather add the value to the known ones. The minimal size
338 * has already been tested.
339 */
340 if (BN_num_bits(g) <= BN_BITS && srp_Verify_N_and_g(N, g))
341 return 1;
342 }
343 BIO_printf(bio_err, "SRP param N and g rejected.\n");
344 return 0;
345}
edc032b5 346
e481f9b9 347# define PWD_STRLEN 1024
0f113f3e
MC		 348
349static char *ssl_give_srp_client_pwd_cb(SSL *s, void *arg)
350{
351 SRP_ARG *srp_arg = (SRP_ARG *)arg;
68dc6824 352 char *pass = app_malloc(PWD_STRLEN + 1, "SRP password buffer");
0f113f3e
MC		 353 PW_CB_DATA cb_tmp;
354 int l;
355
356 cb_tmp.password = (char *)srp_arg->srppassin;
357 cb_tmp.prompt_info = "SRP user";
358 if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp)) < 0) {
359 BIO_printf(bio_err, "Can't read Password\n");
360 OPENSSL_free(pass);
361 return NULL;
362 }
363 *(pass + l) = '\0';
364
365 return pass;
366}
367
e481f9b9 368#endif
7e1b7485 369
e481f9b9 370#ifndef OPENSSL_NO_NEXTPROTONEG
ee2ffc27
BL		 371/* This the context that we pass to next_proto_cb */
372typedef struct tlsextnextprotoctx_st {
0f113f3e 373 unsigned char *data;
817cd0d5 374 size_t len;
0f113f3e 375 int status;
ee2ffc27
BL		 376} tlsextnextprotoctx;
377
378static tlsextnextprotoctx next_proto;
379
0f113f3e
MC		 380static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen,
381 const unsigned char *in, unsigned int inlen,
382 void *arg)
383{
384 tlsextnextprotoctx *ctx = arg;
385
386 if (!c_quiet) {
387 /* We can assume that |in| is syntactically valid. */
388 unsigned i;
389 BIO_printf(bio_c_out, "Protocols advertised by server: ");
390 for (i = 0; i < inlen;) {
391 if (i)
392 BIO_write(bio_c_out, ", ", 2);
393 BIO_write(bio_c_out, &in[i + 1], in[i]);
394 i += in[i] + 1;
395 }
396 BIO_write(bio_c_out, "\n", 1);
397 }
398
399 ctx->status =
400 SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len);
401 return SSL_TLSEXT_ERR_OK;
402}
e481f9b9 403#endif /* ndef OPENSSL_NO_NEXTPROTONEG */
0f113f3e
MC		 404
405static int serverinfo_cli_parse_cb(SSL *s, unsigned int ext_type,
406 const unsigned char *in, size_t inlen,
407 int *al, void *arg)
85c67492 408{
0f113f3e
MC		 409 char pem_name[100];
410 unsigned char ext_buf[4 + 65536];
411
412 /* Reconstruct the type/len fields prior to extension data */
3a63c0ed
AP		 413 inlen &= 0xffff; /* for formal memcmpy correctness */
414 ext_buf[0] = (unsigned char)(ext_type >> 8);
415 ext_buf[1] = (unsigned char)(ext_type);
416 ext_buf[2] = (unsigned char)(inlen >> 8);
417 ext_buf[3] = (unsigned char)(inlen);
0f113f3e
MC		 418 memcpy(ext_buf + 4, in, inlen);
419
420 BIO_snprintf(pem_name, sizeof(pem_name), "SERVERINFO FOR EXTENSION %d",
421 ext_type);
422 PEM_write_bio(bio_c_out, pem_name, "", ext_buf, 4 + inlen);
423 return 1;
424}
425
cddd424a
VD		 426/*
427 * Hex decoder that tolerates optional whitespace. Returns number of bytes
428 * produced, advances inptr to end of input string.
429 */
430static ossl_ssize_t hexdecode(const char **inptr, void *result)
431{
432 unsigned char **out = (unsigned char **)result;
433 const char *in = *inptr;
d6073e27 434 unsigned char *ret = app_malloc(strlen(in) / 2, "hexdecode");
cddd424a
VD		 435 unsigned char *cp = ret;
436 uint8_t byte;
437 int nibble = 0;
438
439 if (ret == NULL)
440 return -1;
441
442 for (byte = 0; *in; ++in) {
49445f21 443 int x;
cddd424a 444
18295f0c 445 if (isspace(_UC(*in)))
cddd424a 446 continue;
49445f21
RS		 447 x = OPENSSL_hexchar2int(*in);
448 if (x < 0) {
cddd424a
VD		 449 OPENSSL_free(ret);
450 return 0;
451 }
49445f21 452 byte |= (char)x;
cddd424a
VD		 453 if ((nibble ^= 1) == 0) {
454 *cp++ = byte;
455 byte = 0;
456 } else {
457 byte <<= 4;
458 }
459 }
460 if (nibble != 0) {
461 OPENSSL_free(ret);
462 return 0;
463 }
464 *inptr = in;
465
466 return cp - (*out = ret);
467}
468
469/*
470 * Decode unsigned 0..255, returns 1 on success, <= 0 on failure. Advances
471 * inptr to next field skipping leading whitespace.
472 */
473static ossl_ssize_t checked_uint8(const char **inptr, void *out)
474{
475 uint8_t *result = (uint8_t *)out;
476 const char *in = *inptr;
477 char *endp;
478 long v;
479 int e;
480
481 save_errno();
482 v = strtol(in, &endp, 10);
483 e = restore_errno();
484
485 if (((v == LONG_MIN || v == LONG_MAX) && e == ERANGE) ||
18295f0c 486 endp == in || !isspace(_UC(*endp)) ||
cddd424a
VD		 487 v != (*result = (uint8_t) v)) {
488 return -1;
489 }
18295f0c 490 for (in = endp; isspace(_UC(*in)); ++in)
cddd424a
VD		 491 continue;
492
493 *inptr = in;
494 return 1;
495}
496
7ff970ef
RS		 497struct tlsa_field {
498 void *var;
499 const char *name;
500 ossl_ssize_t (*parser)(const char **, void *);
501};
502
cddd424a
VD		 503static int tlsa_import_rr(SSL *con, const char *rrdata)
504{
7ff970ef
RS		 505 /* Not necessary to re-init these values; the "parsers" do that. */
506 static uint8_t usage;
507 static uint8_t selector;
508 static uint8_t mtype;
509 static unsigned char *data;
f232d6ec 510 static struct tlsa_field tlsa_fields[] = {
cddd424a
VD		 511 { &usage, "usage", checked_uint8 },
512 { &selector, "selector", checked_uint8 },
513 { &mtype, "mtype", checked_uint8 },
514 { &data, "data", hexdecode },
515 { NULL, }
516 };
517 struct tlsa_field *f;
7ff970ef
RS		 518 int ret;
519 const char *cp = rrdata;
520 ossl_ssize_t len = 0;
cddd424a
VD		 521
522 for (f = tlsa_fields; f->var; ++f) {
523 /* Returns number of bytes produced, advances cp to next field */
524 if ((len = f->parser(&cp, f->var)) <= 0) {
525 BIO_printf(bio_err, "%s: warning: bad TLSA %s field in: %s\n",
526 prog, f->name, rrdata);
527 return 0;
528 }
529 }
530 /* The data field is last, so len is its length */
531 ret = SSL_dane_tlsa_add(con, usage, selector, mtype, data, len);
532 OPENSSL_free(data);
533
534 if (ret == 0) {
535 ERR_print_errors(bio_err);
536 BIO_printf(bio_err, "%s: warning: unusable TLSA rrdata: %s\n",
537 prog, rrdata);
538 return 0;
539 }
540 if (ret < 0) {
541 ERR_print_errors(bio_err);
542 BIO_printf(bio_err, "%s: warning: error loading TLSA rrdata: %s\n",
543 prog, rrdata);
544 return 0;
545 }
546 return ret;
547}
548
549static int tlsa_import_rrset(SSL *con, STACK_OF(OPENSSL_STRING) *rrset)
550{
551 int num = sk_OPENSSL_STRING_num(rrset);
552 int count = 0;
553 int i;
554
555 for (i = 0; i < num; ++i) {
556 char *rrdata = sk_OPENSSL_STRING_value(rrset, i);
557 if (tlsa_import_rr(con, rrdata) > 0)
558 ++count;
559 }
560 return count > 0;
561}
562
7e1b7485
RS		 563typedef enum OPTION_choice {
564 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
ebc01683 565 OPT_4, OPT_6, OPT_HOST, OPT_PORT, OPT_CONNECT, OPT_BIND, OPT_UNIX,
a7c04f2b 566 OPT_XMPPHOST, OPT_VERIFY, OPT_NAMEOPT,
7e1b7485
RS		 567 OPT_CERT, OPT_CRL, OPT_CRL_DOWNLOAD, OPT_SESS_OUT, OPT_SESS_IN,
568 OPT_CERTFORM, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET,
569 OPT_BRIEF, OPT_PREXIT, OPT_CRLF, OPT_QUIET, OPT_NBIO,
3ee1eac2 570 OPT_SSL_CLIENT_ENGINE, OPT_IGN_EOF, OPT_NO_IGN_EOF,
3a4e9367 571 OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_WDEBUG,
7e1b7485
RS		 572 OPT_MSG, OPT_MSGFILE, OPT_ENGINE, OPT_TRACE, OPT_SECURITY_DEBUG,
573 OPT_SECURITY_DEBUG_VERBOSE, OPT_SHOWCERTS, OPT_NBIO_TEST, OPT_STATE,
72257204 574 OPT_PSK_IDENTITY, OPT_PSK, OPT_PSK_SESS,
bde136c8
F		 575#ifndef OPENSSL_NO_SRP
576 OPT_SRPUSER, OPT_SRPPASS, OPT_SRP_STRENGTH, OPT_SRP_LATEUSER,
577 OPT_SRP_MOREGROUPS,
578#endif
579 OPT_SSL3, OPT_SSL_CONFIG,
582a17d6 580 OPT_TLS1_3, OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1,
8ccc2377 581 OPT_DTLS1_2, OPT_SCTP, OPT_TIMEOUT, OPT_MTU, OPT_KEYFORM, OPT_PASS,
28e5ea88 582 OPT_CERT_CHAIN, OPT_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH,
2b6bcb70 583 OPT_KEY, OPT_RECONNECT, OPT_BUILD_CHAIN, OPT_CAFILE, OPT_NOCAFILE,
7e1b7485 584 OPT_CHAINCAFILE, OPT_VERIFYCAFILE, OPT_NEXTPROTONEG, OPT_ALPN,
28e5ea88 585 OPT_SERVERINFO, OPT_STARTTLS, OPT_SERVERNAME, OPT_NOSERVERNAME, OPT_ASYNC,
8176431d 586 OPT_USE_SRTP, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN, OPT_PROTOHOST,
cf72c757
F		 587 OPT_MAXFRAGLEN, OPT_MAX_SEND_FRAG, OPT_SPLIT_SEND_FRAG, OPT_MAX_PIPELINES,
588 OPT_READ_BUF, OPT_KEYLOG_FILE, OPT_EARLY_DATA, OPT_REQCAFILE,
7e1b7485
RS		 589 OPT_V_ENUM,
590 OPT_X_ENUM,
591 OPT_S_ENUM,
cddd424a 592 OPT_FALLBACKSCSV, OPT_NOCMDS, OPT_PROXY, OPT_DANE_TLSA_DOMAIN,
dd696a55 593#ifndef OPENSSL_NO_CT
43341433 594 OPT_CT, OPT_NOCT, OPT_CTLOG_FILE,
dd696a55 595#endif
3ee1eac2 596 OPT_DANE_TLSA_RRDATA, OPT_DANE_EE_NO_NAME,
9d75dce3 597 OPT_FORCE_PHA,
3ee1eac2 598 OPT_R_ENUM
7e1b7485
RS		 599} OPTION_CHOICE;
600
44c83ebd 601const OPTIONS s_client_options[] = {
7e1b7485
RS		 602 {"help", OPT_HELP, '-', "Display this summary"},
603 {"host", OPT_HOST, 's', "Use -connect instead"},
604 {"port", OPT_PORT, 'p', "Use -connect instead"},
605 {"connect", OPT_CONNECT, 's',
ab69ac00 606 "TCP/IP where to connect (default is :" PORT ")"},
ebc01683 607 {"bind", OPT_BIND, 's', "bind local address for connection"},
552bf8ec
MT		 608 {"proxy", OPT_PROXY, 's',
609 "Connect to via specified proxy to the real server"},
ab69ac00 610#ifdef AF_UNIX
a22f9c84 611 {"unix", OPT_UNIX, 's', "Connect over the specified Unix-domain socket"},
ab69ac00
RL		 612#endif
613 {"4", OPT_4, '-', "Use IPv4 only"},
fe08bd76 614#ifdef AF_INET6
ab69ac00 615 {"6", OPT_6, '-', "Use IPv6 only"},
fe08bd76 616#endif
7e1b7485
RS		 617 {"verify", OPT_VERIFY, 'p', "Turn on peer certificate verification"},
618 {"cert", OPT_CERT, '<', "Certificate file to use, PEM format assumed"},
619 {"certform", OPT_CERTFORM, 'F',
620 "Certificate format (PEM or DER) PEM default"},
a7c04f2b 621 {"nameopt", OPT_NAMEOPT, 's', "Various certificate name options"},
a6972f34
DW		 622 {"key", OPT_KEY, 's', "Private key file to use, if not in -cert file"},
623 {"keyform", OPT_KEYFORM, 'E', "Key format (PEM, DER or engine) PEM default"},
7e1b7485
RS		 624 {"pass", OPT_PASS, 's', "Private key file pass phrase source"},
625 {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
626 {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
2b6bcb70
MC		 627 {"no-CAfile", OPT_NOCAFILE, '-',
628 "Do not load the default certificates file"},
629 {"no-CApath", OPT_NOCAPATH, '-',
630 "Do not load certificates from the default certificates directory"},
d2add501 631 {"requestCAfile", OPT_REQCAFILE, '<',
5969a2dd 632 "PEM format file of CA names to send to the server"},
cddd424a
VD		 633 {"dane_tlsa_domain", OPT_DANE_TLSA_DOMAIN, 's', "DANE TLSA base domain"},
634 {"dane_tlsa_rrdata", OPT_DANE_TLSA_RRDATA, 's',
635 "DANE TLSA rrdata presentation form"},
c4fbed6c
VD		 636 {"dane_ee_no_namechecks", OPT_DANE_EE_NO_NAME, '-',
637 "Disable name checks when matching DANE-EE(3) TLSA records"},
7e1b7485
RS		 638 {"reconnect", OPT_RECONNECT, '-',
639 "Drop and re-make the connection with the same Session-ID"},
bdb59d97
MC		 640 {"showcerts", OPT_SHOWCERTS, '-',
641 "Show all certificates sent by the server"},
7e1b7485
RS		 642 {"debug", OPT_DEBUG, '-', "Extra output"},
643 {"msg", OPT_MSG, '-', "Show protocol messages"},
9a13bb38
RS		 644 {"msgfile", OPT_MSGFILE, '>',
645 "File to send output of -msg or -trace, instead of stdout"},
7e1b7485
RS		 646 {"nbio_test", OPT_NBIO_TEST, '-', "More ssl protocol testing"},
647 {"state", OPT_STATE, '-', "Print the ssl states"},
648 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"},
649 {"quiet", OPT_QUIET, '-', "No s_client output"},
650 {"ign_eof", OPT_IGN_EOF, '-', "Ignore input eof (default when -quiet)"},
651 {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Don't ignore input eof"},
7e1b7485 652 {"starttls", OPT_STARTTLS, 's',
cfb4f1ef 653 "Use the appropriate STARTTLS command before starting TLS"},
898ea7b8 654 {"xmpphost", OPT_XMPPHOST, 's',
8176431d 655 "Alias of -name option for \"-starttls xmpp[-server]\""},
3ee1eac2 656 OPT_R_OPTIONS,
7e1b7485
RS		 657 {"sess_out", OPT_SESS_OUT, '>', "File to write SSL session to"},
658 {"sess_in", OPT_SESS_IN, '<', "File to read SSL session from"},
1fb6b0bf 659#ifndef OPENSSL_NO_SRTP
e77bdc73 660 {"use_srtp", OPT_USE_SRTP, 's',
7e1b7485 661 "Offer SRTP key management with a colon-separated profile list"},
1fb6b0bf 662#endif
7e1b7485
RS		 663 {"keymatexport", OPT_KEYMATEXPORT, 's',
664 "Export keying material using label"},
665 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
666 "Export len bytes of keying material (default 20)"},
cf72c757
F		 667 {"maxfraglen", OPT_MAXFRAGLEN, 'p',
668 "Enable Maximum Fragment Length Negotiation (len values: 512, 1024, 2048 and 4096)"},
7e1b7485 669 {"fallback_scsv", OPT_FALLBACKSCSV, '-', "Send the fallback SCSV"},
8176431d
PY		 670 {"name", OPT_PROTOHOST, 's',
671 "Hostname to use for \"-starttls lmtp\", \"-starttls smtp\" or \"-starttls xmpp[-server]\""},
9a13bb38
RS		 672 {"CRL", OPT_CRL, '<', "CRL file to use"},
673 {"crl_download", OPT_CRL_DOWNLOAD, '-', "Download CRL from distribution points"},
674 {"CRLform", OPT_CRLFORM, 'F', "CRL format (PEM or DER) PEM is default"},
675 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-',
676 "Close connection on verification error"},
677 {"verify_quiet", OPT_VERIFY_QUIET, '-', "Restrict verify output to errors"},
678 {"brief", OPT_BRIEF, '-',
679 "Restrict output to brief summary of connection parameters"},
680 {"prexit", OPT_PREXIT, '-',
681 "Print session information when the program exits"},
682 {"security_debug", OPT_SECURITY_DEBUG, '-',
683 "Enable security debug messages"},
684 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-',
685 "Output more security debug output"},
686 {"cert_chain", OPT_CERT_CHAIN, '<',
687 "Certificate chain file (in PEM format)"},
688 {"chainCApath", OPT_CHAINCAPATH, '/',
689 "Use dir as certificate store path to build CA certificate chain"},
690 {"verifyCApath", OPT_VERIFYCAPATH, '/',
691 "Use dir as certificate store path to verify CA certificate"},
692 {"build_chain", OPT_BUILD_CHAIN, '-', "Build certificate chain"},
693 {"chainCAfile", OPT_CHAINCAFILE, '<',
694 "CA file for certificate chain (PEM format)"},
695 {"verifyCAfile", OPT_VERIFYCAFILE, '<',
696 "CA file for certificate verification (PEM format)"},
9c3bcfa0
RS		 697 {"nocommands", OPT_NOCMDS, '-', "Do not use interactive command letters"},
698 {"servername", OPT_SERVERNAME, 's',
481afe2a 699 "Set TLS extension servername (SNI) in ClientHello (default)"},
11ba87f2
MC		 700 {"noservername", OPT_NOSERVERNAME, '-',
701 "Do not send the server name (SNI) extension in the ClientHello"},
9c3bcfa0
RS		 702 {"tlsextdebug", OPT_TLSEXTDEBUG, '-',
703 "Hex dump of all TLS extensions received"},
3e41ac35 704#ifndef OPENSSL_NO_OCSP
9c3bcfa0 705 {"status", OPT_STATUS, '-', "Request certificate status from server"},
3e41ac35 706#endif
9c3bcfa0
RS		 707 {"serverinfo", OPT_SERVERINFO, 's',
708 "types Send empty ClientHello extensions (comma-separated numbers)"},
709 {"alpn", OPT_ALPN, 's',
710 "Enable ALPN extension, considering named protocols supported (comma-separated list)"},
7e25dd6d 711 {"async", OPT_ASYNC, '-', "Support asynchronous operation"},
9a13bb38 712 {"ssl_config", OPT_SSL_CONFIG, 's', "Use specified configuration file"},
28e5ea88 713 {"max_send_frag", OPT_MAX_SEND_FRAG, 'p', "Maximum Size of send frames "},
36b2cfb1 714 {"split_send_frag", OPT_SPLIT_SEND_FRAG, 'p',
0df80881 715 "Size used to split data for encrypt pipelines"},
36b2cfb1 716 {"max_pipelines", OPT_MAX_PIPELINES, 'p',
032c6d21 717 "Maximum number of encrypt/decrypt pipelines to be used"},
36b2cfb1 718 {"read_buf", OPT_READ_BUF, 'p',
dad78fb1 719 "Default read buffer size to be used for connections"},
9c3bcfa0
RS		 720 OPT_S_OPTIONS,
721 OPT_V_OPTIONS,
722 OPT_X_OPTIONS,
723#ifndef OPENSSL_NO_SSL3
724 {"ssl3", OPT_SSL3, '-', "Just use SSLv3"},
725#endif
6b01bed2
VD		 726#ifndef OPENSSL_NO_TLS1
727 {"tls1", OPT_TLS1, '-', "Just use TLSv1"},
728#endif
729#ifndef OPENSSL_NO_TLS1_1
730 {"tls1_1", OPT_TLS1_1, '-', "Just use TLSv1.1"},
731#endif
732#ifndef OPENSSL_NO_TLS1_2
733 {"tls1_2", OPT_TLS1_2, '-', "Just use TLSv1.2"},
734#endif
582a17d6
MC		 735#ifndef OPENSSL_NO_TLS1_3
736 {"tls1_3", OPT_TLS1_3, '-', "Just use TLSv1.3"},
737#endif
a5ecdc6a 738#ifndef OPENSSL_NO_DTLS
9a13bb38
RS		 739 {"dtls", OPT_DTLS, '-', "Use any version of DTLS"},
740 {"timeout", OPT_TIMEOUT, '-',
741 "Enable send/receive timeout on DTLS connections"},
9c3bcfa0
RS		 742 {"mtu", OPT_MTU, 'p', "Set the link layer MTU"},
743#endif
6b01bed2
VD		 744#ifndef OPENSSL_NO_DTLS1
745 {"dtls1", OPT_DTLS1, '-', "Just use DTLSv1"},
746#endif
747#ifndef OPENSSL_NO_DTLS1_2
9a13bb38 748 {"dtls1_2", OPT_DTLS1_2, '-', "Just use DTLSv1.2"},
6b01bed2 749#endif
8ccc2377
MC		 750#ifndef OPENSSL_NO_SCTP
751 {"sctp", OPT_SCTP, '-', "Use SCTP"},
752#endif
9c3bcfa0 753#ifndef OPENSSL_NO_SSL_TRACE
9a13bb38 754 {"trace", OPT_TRACE, '-', "Show trace output of protocol messages"},
9c3bcfa0 755#endif
7e1b7485
RS		 756#ifdef WATT32
757 {"wdebug", OPT_WDEBUG, '-', "WATT-32 tcp debugging"},
758#endif
7e1b7485 759 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"},
7e1b7485
RS		 760 {"psk_identity", OPT_PSK_IDENTITY, 's', "PSK identity"},
761 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"},
e261bdd1 762 {"psk_session", OPT_PSK_SESS, '<', "File to read PSK SSL session from"},
7e1b7485 763#ifndef OPENSSL_NO_SRP
bde136c8 764 {"srpuser", OPT_SRPUSER, 's', "SRP authentication for 'user'"},
7e1b7485
RS		 765 {"srppass", OPT_SRPPASS, 's', "Password for 'user'"},
766 {"srp_lateuser", OPT_SRP_LATEUSER, '-',
767 "SRP username into second ClientHello message"},
768 {"srp_moregroups", OPT_SRP_MOREGROUPS, '-',
769 "Tolerate other than the known g N values."},
740ceb5b 770 {"srp_strength", OPT_SRP_STRENGTH, 'p', "Minimal length in bits for N"},
7e1b7485 771#endif
e481f9b9 772#ifndef OPENSSL_NO_NEXTPROTONEG
7e1b7485
RS		 773 {"nextprotoneg", OPT_NEXTPROTONEG, 's',
774 "Enable NPN extension, considering named protocols supported (comma-separated list)"},
7e1b7485 775#endif
7e1b7485
RS		 776#ifndef OPENSSL_NO_ENGINE
777 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
9a13bb38
RS		 778 {"ssl_client_engine", OPT_SSL_CLIENT_ENGINE, 's',
779 "Specify engine to be used for client certificate operations"},
dd696a55
RP		 780#endif
781#ifndef OPENSSL_NO_CT
43341433 782 {"ct", OPT_CT, '-', "Request and parse SCTs (also enables OCSP stapling)"},
dd696a55 783 {"noct", OPT_NOCT, '-', "Do not request or parse SCTs (default)"},
dd696a55 784 {"ctlogfile", OPT_CTLOG_FILE, '<', "CT log list CONF file"},
7e1b7485 785#endif
4bf73e9f 786 {"keylogfile", OPT_KEYLOG_FILE, '>', "Write TLS secrets to file"},
923ac827 787 {"early_data", OPT_EARLY_DATA, '<', "File to send as early data"},
9d75dce3 788 {"force_pha", OPT_FORCE_PHA, '-', "Force-enable post-handshake-authentication"},
bde136c8 789 {NULL, OPT_EOF, 0x00, NULL}
7e1b7485
RS		 790};
791
792typedef enum PROTOCOL_choice {
793 PROTO_OFF,
0f113f3e
MC		 794 PROTO_SMTP,
795 PROTO_POP3,
796 PROTO_IMAP,
797 PROTO_FTP,
d8c25de5 798 PROTO_TELNET,
552bf8ec 799 PROTO_XMPP,
898ea7b8 800 PROTO_XMPP_SERVER,
cfb4f1ef 801 PROTO_CONNECT,
b2e54eb8 802 PROTO_IRC,
a2d9cfba 803 PROTO_MYSQL,
9576545a 804 PROTO_POSTGRES,
8f85aa6b 805 PROTO_LMTP,
20967afb 806 PROTO_NNTP,
398b0bbd
RS		 807 PROTO_SIEVE,
808 PROTO_LDAP
7e1b7485
RS		 809} PROTOCOL_CHOICE;
810
bde136c8 811static const OPT_PAIR services[] = {
7e1b7485
RS		 812 {"smtp", PROTO_SMTP},
813 {"pop3", PROTO_POP3},
814 {"imap", PROTO_IMAP},
815 {"ftp", PROTO_FTP},
816 {"xmpp", PROTO_XMPP},
898ea7b8 817 {"xmpp-server", PROTO_XMPP_SERVER},
d8c25de5 818 {"telnet", PROTO_TELNET},
cfb4f1ef 819 {"irc", PROTO_IRC},
a2d9cfba 820 {"mysql", PROTO_MYSQL},
b2e54eb8 821 {"postgres", PROTO_POSTGRES},
9576545a 822 {"lmtp", PROTO_LMTP},
8f85aa6b 823 {"nntp", PROTO_NNTP},
20967afb 824 {"sieve", PROTO_SIEVE},
398b0bbd 825 {"ldap", PROTO_LDAP},
bde136c8 826 {NULL, 0}
85c67492
RL		 827};
828
fe08bd76
RS		 829#define IS_INET_FLAG(o) \
830 (o == OPT_4 || o == OPT_6 || o == OPT_HOST || o == OPT_PORT || o == OPT_CONNECT)
831#define IS_UNIX_FLAG(o) (o == OPT_UNIX)
832
4bbd4ba6
MC		 833#define IS_PROT_FLAG(o) \
834 (o == OPT_SSL3 || o == OPT_TLS1 || o == OPT_TLS1_1 || o == OPT_TLS1_2 \
582a17d6 835 || o == OPT_TLS1_3 || o == OPT_DTLS || o == OPT_DTLS1 || o == OPT_DTLS1_2)
4bbd4ba6 836
7315ce80
RS		 837/* Free |*dest| and optionally set it to a copy of |source|. */
838static void freeandcopy(char **dest, const char *source)
839{
840 OPENSSL_free(*dest);
841 *dest = NULL;
842 if (source != NULL)
843 *dest = OPENSSL_strdup(source);
844}
845
be62b22b
MC		 846static int new_session_cb(SSL *S, SSL_SESSION *sess)
847{
848 BIO *stmp = BIO_new_file(sess_out, "w");
849
1f5b44e9
MC		 850 if (stmp == NULL) {
851 BIO_printf(bio_err, "Error writing session file %s\n", sess_out);
852 } else {
be62b22b
MC		 853 PEM_write_bio_SSL_SESSION(stmp, sess);
854 BIO_free(stmp);
be62b22b
MC		 855 }
856
857 /*
858 * We always return a "fail" response so that the session gets freed again
859 * because we haven't used the reference.
860 */
861 return 0;
862}
863
7e1b7485 864int s_client_main(int argc, char **argv)
0f113f3e 865{
7e1b7485 866 BIO *sbio;
0f113f3e 867 EVP_PKEY *key = NULL;
7e1b7485 868 SSL *con = NULL;
0f113f3e 869 SSL_CTX *ctx = NULL;
7e1b7485
RS		 870 STACK_OF(X509) *chain = NULL;
871 X509 *cert = NULL;
0f113f3e 872 X509_VERIFY_PARAM *vpm = NULL;
7e1b7485
RS		 873 SSL_EXCERT *exc = NULL;
874 SSL_CONF_CTX *cctx = NULL;
875 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
cddd424a
VD		 876 char *dane_tlsa_domain = NULL;
877 STACK_OF(OPENSSL_STRING) *dane_tlsa_rrset = NULL;
c4fbed6c 878 int dane_ee_no_name = 0;
7e1b7485 879 STACK_OF(X509_CRL) *crls = NULL;
13c9bb3e 880 const SSL_METHOD *meth = TLS_client_method();
cc696296
F		 881 const char *CApath = NULL, *CAfile = NULL;
882 char *cbuf = NULL, *sbuf = NULL;
ebc01683 883 char *mbuf = NULL, *proxystr = NULL, *connectstr = NULL, *bindstr = NULL;
cddd424a 884 char *cert_file = NULL, *key_file = NULL, *chain_file = NULL;
ab69ac00 885 char *chCApath = NULL, *chCAfile = NULL, *host = NULL;
7315ce80 886 char *port = OPENSSL_strdup(PORT);
ebc01683 887 char *bindhost = NULL, *bindport = NULL;
7e1b7485 888 char *passarg = NULL, *pass = NULL, *vfyCApath = NULL, *vfyCAfile = NULL;
d2add501 889 char *ReqCAfile = NULL;
be62b22b 890 char *sess_in = NULL, *crl_file = NULL, *p;
8176431d 891 const char *protohost = NULL;
0f113f3e 892 struct timeval timeout, *timeoutp;
7e1b7485 893 fd_set readfds, writefds;
2b6bcb70 894 int noCApath = 0, noCAfile = 0;
7e1b7485
RS		 895 int build_chain = 0, cbuf_len, cbuf_off, cert_format = FORMAT_PEM;
896 int key_format = FORMAT_PEM, crlf = 0, full_log = 1, mbuf_len = 0;
897 int prexit = 0;
40a8e9c2 898 int sdebug = 0;
7e1b7485 899 int reconnect = 0, verify = SSL_VERIFY_NONE, vpmtouched = 0;
480405e4 900 int ret = 1, in_init = 1, i, nbio_test = 0, s = -1, k, width, state = 0;
ab69ac00 901 int sbuf_len, sbuf_off, cmdletters = 1;
8ccc2377 902 int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM, protocol = 0;
7e1b7485
RS		 903 int starttls_proto = PROTO_OFF, crl_format = FORMAT_PEM, crl_download = 0;
904 int write_tty, read_tty, write_ssl, read_ssl, tty_on, ssl_pending;
d485640b 905#if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
a3ef2c16 906 int at_eof = 0;
d485640b 907#endif
dad78fb1 908 int read_buf_len = 0;
7e1b7485 909 int fallback_scsv = 0;
7e1b7485 910 OPTION_CHOICE o;
40a8e9c2
MC		 911#ifndef OPENSSL_NO_DTLS
912 int enable_timeouts = 0;
913 long socket_mtu = 0;
914#endif
0b13e9f0 915#ifndef OPENSSL_NO_ENGINE
0f113f3e 916 ENGINE *ssl_client_engine = NULL;
7e1b7485 917#endif
333b070e 918 ENGINE *e = NULL;
1fbab1dc 919#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
0f113f3e 920 struct timeval tv;
06f4536a 921#endif
44f19af7 922 const char *servername = NULL;
11ba87f2 923 int noservername = 0;
7e1b7485 924 const char *alpn_in = NULL;
0f113f3e 925 tlsextctx tlsextcbp = { NULL, 0 };
287d0b94 926 const char *ssl_config = NULL;
e481f9b9 927#define MAX_SI_TYPES 100
7e1b7485
RS		 928 unsigned short serverinfo_types[MAX_SI_TYPES];
929 int serverinfo_count = 0, start = 0, len;
e481f9b9 930#ifndef OPENSSL_NO_NEXTPROTONEG
0f113f3e 931 const char *next_proto_neg_in = NULL;
ed551cdd 932#endif
edc032b5 933#ifndef OPENSSL_NO_SRP
0f113f3e
MC		 934 char *srppass = NULL;
935 int srp_lateuser = 0;
936 SRP_ARG srp_arg = { NULL, NULL, 0, 0, 0, 1024 };
937#endif
dad88680 938#ifndef OPENSSL_NO_SRTP
1fb6b0bf 939 char *srtp_profiles = NULL;
dad88680 940#endif
dd696a55
RP		 941#ifndef OPENSSL_NO_CT
942 char *ctlog_file = NULL;
43341433 943 int ct_validation = 0;
dd696a55 944#endif
4bbd4ba6 945 int min_version = 0, max_version = 0, prot_opt = 0, no_prot_opt = 0;
fba13663 946 int async = 0;
28e5ea88 947 unsigned int max_send_fragment = 0;
36b2cfb1 948 unsigned int split_send_fragment = 0, max_pipelines = 0;
fe08bd76
RS		 949 enum { use_inet, use_unix, use_unknown } connect_type = use_unknown;
950 int count4or6 = 0;
cf72c757 951 uint8_t maxfraglen = 0;
54463e4f 952 int c_nbio = 0, c_msg = 0, c_ign_eof = 0, c_brief = 0;
057c676a
RL		 953 int c_tlsextdebug = 0;
954#ifndef OPENSSL_NO_OCSP
955 int c_status_req = 0;
956#endif
54463e4f 957 BIO *bio_c_msg = NULL;
923ac827 958 const char *keylog_file = NULL, *early_data_file = NULL;
9ff2cebf 959#ifndef OPENSSL_NO_DTLS
8ccc2377 960 int isdtls = 0;
9ff2cebf 961#endif
e261bdd1 962 char *psksessf = NULL;
9d75dce3 963 int force_pha = 0;
0f113f3e 964
efc943be
EK		 965 FD_ZERO(&readfds);
966 FD_ZERO(&writefds);
967/* Known false-positive of MemorySanitizer. */
968#if defined(__has_feature)
969# if __has_feature(memory_sanitizer)
970 __msan_unpoison(&readfds, sizeof(readfds));
971 __msan_unpoison(&writefds, sizeof(writefds));
972# endif
973#endif
974
7e1b7485 975 prog = opt_progname(argv[0]);
0f113f3e 976 c_quiet = 0;
0f113f3e 977 c_debug = 0;
0f113f3e 978 c_showcerts = 0;
7e1b7485 979 c_nbio = 0;
7e1b7485 980 vpm = X509_VERIFY_PARAM_new();
0f113f3e 981 cctx = SSL_CONF_CTX_new();
0f113f3e 982
68dc6824 983 if (vpm == NULL || cctx == NULL) {
7e1b7485 984 BIO_printf(bio_err, "%s: out of memory\n", prog);
0f113f3e
MC		 985 goto end;
986 }
987
acc00492
F		 988 cbuf = app_malloc(BUFSIZZ, "cbuf");
989 sbuf = app_malloc(BUFSIZZ, "sbuf");
990 mbuf = app_malloc(BUFSIZZ, "mbuf");
991
7e1b7485 992 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT | SSL_CONF_FLAG_CMDLINE);
0f113f3e 993
7e1b7485
RS		 994 prog = opt_init(argc, argv, s_client_options);
995 while ((o = opt_next()) != OPT_EOF) {
fe08bd76
RS		 996 /* Check for intermixing flags. */
997 if (connect_type == use_unix && IS_INET_FLAG(o)) {
998 BIO_printf(bio_err,
d6073e27
F		 999 "%s: Intermixed protocol flags (unix and internet domains)\n",
1000 prog);
fe08bd76
RS		 1001 goto end;
1002 }
1003 if (connect_type == use_inet && IS_UNIX_FLAG(o)) {
1004 BIO_printf(bio_err,
d6073e27
F		 1005 "%s: Intermixed protocol flags (internet and unix domains)\n",
1006 prog);
fe08bd76
RS		 1007 goto end;
1008 }
4bbd4ba6
MC		 1009
1010 if (IS_PROT_FLAG(o) && ++prot_opt > 1) {
1011 BIO_printf(bio_err, "Cannot supply multiple protocol flags\n");
1012 goto end;
1013 }
1014 if (IS_NO_PROT_FLAG(o))
1015 no_prot_opt++;
1016 if (prot_opt == 1 && no_prot_opt) {
d6073e27
F		 1017 BIO_printf(bio_err,
1018 "Cannot supply both a protocol flag and '-no_<prot>'\n");
4bbd4ba6
MC		 1019 goto end;
1020 }
1021
7e1b7485 1022 switch (o) {
7e1b7485
RS		 1023 case OPT_EOF:
1024 case OPT_ERR:
1025 opthelp:
1026 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
1027 goto end;
1028 case OPT_HELP:
1029 opt_help(s_client_options);
1030 ret = 0;
1031 goto end;
ab69ac00 1032 case OPT_4:
fe08bd76 1033 connect_type = use_inet;
ab69ac00 1034 socket_family = AF_INET;
fe08bd76 1035 count4or6++;
ab69ac00 1036 break;
ab69ac00 1037#ifdef AF_INET6
fe08bd76
RS		 1038 case OPT_6:
1039 connect_type = use_inet;
1040 socket_family = AF_INET6;
1041 count4or6++;
ab69ac00 1042 break;
ab69ac00 1043#endif
fe08bd76
RS		 1044 case OPT_HOST:
1045 connect_type = use_inet;
7315ce80 1046 freeandcopy(&host, opt_arg());
7e1b7485
RS		 1047 break;
1048 case OPT_PORT:
fe08bd76 1049 connect_type = use_inet;
7315ce80 1050 freeandcopy(&port, opt_arg());
7e1b7485
RS		 1051 break;
1052 case OPT_CONNECT:
fe08bd76 1053 connect_type = use_inet;
7315ce80 1054 freeandcopy(&connectstr, opt_arg());
552bf8ec 1055 break;
ebc01683
JH		 1056 case OPT_BIND:
1057 freeandcopy(&bindstr, opt_arg());
1058 break;
552bf8ec
MT		 1059 case OPT_PROXY:
1060 proxystr = opt_arg();
1061 starttls_proto = PROTO_CONNECT;
7e1b7485 1062 break;
ab69ac00 1063#ifdef AF_UNIX
7e1b7485 1064 case OPT_UNIX:
fe08bd76 1065 connect_type = use_unix;
ab69ac00 1066 socket_family = AF_UNIX;
7315ce80 1067 freeandcopy(&host, opt_arg());
7e1b7485 1068 break;
ab69ac00 1069#endif
d8c25de5 1070 case OPT_XMPPHOST:
8176431d
PY		 1071 /* fall through, since this is an alias */
1072 case OPT_PROTOHOST:
1073 protohost = opt_arg();
d8c25de5 1074 break;
7e1b7485 1075 case OPT_VERIFY:
0f113f3e 1076 verify = SSL_VERIFY_PEER;
acc00492 1077 verify_args.depth = atoi(opt_arg());
0f113f3e 1078 if (!c_quiet)
acc00492 1079 BIO_printf(bio_err, "verify depth is %d\n", verify_args.depth);
7e1b7485
RS		 1080 break;
1081 case OPT_CERT:
1082 cert_file = opt_arg();
1083 break;
a7c04f2b
DB		 1084 case OPT_NAMEOPT:
1085 if (!set_nameopt(opt_arg()))
1086 goto end;
1087 break;
7e1b7485
RS		 1088 case OPT_CRL:
1089 crl_file = opt_arg();
1090 break;
1091 case OPT_CRL_DOWNLOAD:
0f113f3e 1092 crl_download = 1;
7e1b7485
RS		 1093 break;
1094 case OPT_SESS_OUT:
1095 sess_out = opt_arg();
1096 break;
1097 case OPT_SESS_IN:
1098 sess_in = opt_arg();
1099 break;
1100 case OPT_CERTFORM:
1101 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &cert_format))
1102 goto opthelp;
1103 break;
1104 case OPT_CRLFORM:
1105 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
1106 goto opthelp;
1107 break;
1108 case OPT_VERIFY_RET_ERROR:
acc00492 1109 verify_args.return_error = 1;
7e1b7485
RS		 1110 break;
1111 case OPT_VERIFY_QUIET:
acc00492 1112 verify_args.quiet = 1;
7e1b7485
RS		 1113 break;
1114 case OPT_BRIEF:
acc00492 1115 c_brief = verify_args.quiet = c_quiet = 1;
7e1b7485
RS		 1116 break;
1117 case OPT_S_CASES:
1118 if (ssl_args == NULL)
1119 ssl_args = sk_OPENSSL_STRING_new_null();
1120 if (ssl_args == NULL
1121 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
1122 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
1123 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1124 goto end;
1125 }
1126 break;
1127 case OPT_V_CASES:
1128 if (!opt_verify(o, vpm))
1129 goto end;
1130 vpmtouched++;
1131 break;
1132 case OPT_X_CASES:
1133 if (!args_excert(o, &exc))
1134 goto end;
1135 break;
1136 case OPT_PREXIT:
0f113f3e 1137 prexit = 1;
7e1b7485
RS		 1138 break;
1139 case OPT_CRLF:
0f113f3e 1140 crlf = 1;
7e1b7485
RS		 1141 break;
1142 case OPT_QUIET:
1143 c_quiet = c_ign_eof = 1;
1144 break;
1145 case OPT_NBIO:
1146 c_nbio = 1;
1147 break;
6ba8a5b7
RS		 1148 case OPT_NOCMDS:
1149 cmdletters = 0;
1150 break;
7e1b7485 1151 case OPT_ENGINE:
333b070e 1152 e = setup_engine(opt_arg(), 1);
7e1b7485
RS		 1153 break;
1154 case OPT_SSL_CLIENT_ENGINE:
333b070e
RS		 1155#ifndef OPENSSL_NO_ENGINE
1156 ssl_client_engine = ENGINE_by_id(opt_arg());
1157 if (ssl_client_engine == NULL) {
1158 BIO_printf(bio_err, "Error getting client auth engine\n");
1159 goto opthelp;
1160 }
333b070e 1161#endif
7e1b7485 1162 break;
3ee1eac2
RS		 1163 case OPT_R_CASES:
1164 if (!opt_rand(o))
1165 goto end;
7e1b7485
RS		 1166 break;
1167 case OPT_IGN_EOF:
0f113f3e 1168 c_ign_eof = 1;
7e1b7485
RS		 1169 break;
1170 case OPT_NO_IGN_EOF:
0f113f3e 1171 c_ign_eof = 0;
7e1b7485 1172 break;
7e1b7485 1173 case OPT_DEBUG:
0f113f3e 1174 c_debug = 1;
7e1b7485 1175 break;
7e1b7485 1176 case OPT_TLSEXTDEBUG:
0f113f3e 1177 c_tlsextdebug = 1;
7e1b7485
RS		 1178 break;
1179 case OPT_STATUS:
057c676a 1180#ifndef OPENSSL_NO_OCSP
0f113f3e 1181 c_status_req = 1;
057c676a 1182#endif
7e1b7485 1183 break;
7e1b7485 1184 case OPT_WDEBUG:
9c3bcfa0 1185#ifdef WATT32
0f113f3e
MC		 1186 dbug_init();
1187#endif
9c3bcfa0 1188 break;
7e1b7485 1189 case OPT_MSG:
0f113f3e 1190 c_msg = 1;
7e1b7485
RS		 1191 break;
1192 case OPT_MSGFILE:
1193 bio_c_msg = BIO_new_file(opt_arg(), "w");
1194 break;
7e1b7485 1195 case OPT_TRACE:
9c3bcfa0 1196#ifndef OPENSSL_NO_SSL_TRACE
0f113f3e
MC		 1197 c_msg = 2;
1198#endif
9c3bcfa0 1199 break;
7e1b7485 1200 case OPT_SECURITY_DEBUG:
0f113f3e 1201 sdebug = 1;
7e1b7485
RS		 1202 break;
1203 case OPT_SECURITY_DEBUG_VERBOSE:
0f113f3e 1204 sdebug = 2;
7e1b7485
RS		 1205 break;
1206 case OPT_SHOWCERTS:
0f113f3e 1207 c_showcerts = 1;
7e1b7485
RS		 1208 break;
1209 case OPT_NBIO_TEST:
0f113f3e 1210 nbio_test = 1;
7e1b7485
RS		 1211 break;
1212 case OPT_STATE:
0f113f3e 1213 state = 1;
7e1b7485 1214 break;
7e1b7485
RS		 1215 case OPT_PSK_IDENTITY:
1216 psk_identity = opt_arg();
1217 break;
1218 case OPT_PSK:
1219 for (p = psk_key = opt_arg(); *p; p++) {
18295f0c 1220 if (isxdigit(_UC(*p)))
0f113f3e 1221 continue;
7e1b7485
RS		 1222 BIO_printf(bio_err, "Not a hex number '%s'\n", psk_key);
1223 goto end;
0f113f3e 1224 }
13cbe5e7 1225 break;
e261bdd1
MC		 1226 case OPT_PSK_SESS:
1227 psksessf = opt_arg();
1228 break;
edc032b5 1229#ifndef OPENSSL_NO_SRP
7e1b7485
RS		 1230 case OPT_SRPUSER:
1231 srp_arg.srplogin = opt_arg();
0d5301af
KR		 1232 if (min_version < TLS1_VERSION)
1233 min_version = TLS1_VERSION;
7e1b7485
RS		 1234 break;
1235 case OPT_SRPPASS:
1236 srppass = opt_arg();
0d5301af
KR		 1237 if (min_version < TLS1_VERSION)
1238 min_version = TLS1_VERSION;
7e1b7485
RS		 1239 break;
1240 case OPT_SRP_STRENGTH:
1241 srp_arg.strength = atoi(opt_arg());
0f113f3e
MC		 1242 BIO_printf(bio_err, "SRP minimal length for N is %d\n",
1243 srp_arg.strength);
0d5301af
KR		 1244 if (min_version < TLS1_VERSION)
1245 min_version = TLS1_VERSION;
7e1b7485
RS		 1246 break;
1247 case OPT_SRP_LATEUSER:
0f113f3e 1248 srp_lateuser = 1;
0d5301af
KR		 1249 if (min_version < TLS1_VERSION)
1250 min_version = TLS1_VERSION;
7e1b7485
RS		 1251 break;
1252 case OPT_SRP_MOREGROUPS:
0f113f3e 1253 srp_arg.amp = 1;
0d5301af
KR		 1254 if (min_version < TLS1_VERSION)
1255 min_version = TLS1_VERSION;
7e1b7485 1256 break;
edc032b5 1257#endif
287d0b94
DSH		 1258 case OPT_SSL_CONFIG:
1259 ssl_config = opt_arg();
1260 break;
7e1b7485 1261 case OPT_SSL3:
0d5301af
KR		 1262 min_version = SSL3_VERSION;
1263 max_version = SSL3_VERSION;
9c3bcfa0 1264 break;
582a17d6
MC		 1265 case OPT_TLS1_3:
1266 min_version = TLS1_3_VERSION;
1267 max_version = TLS1_3_VERSION;
1268 break;
7e1b7485 1269 case OPT_TLS1_2:
0d5301af
KR		 1270 min_version = TLS1_2_VERSION;
1271 max_version = TLS1_2_VERSION;
7e1b7485
RS		 1272 break;
1273 case OPT_TLS1_1:
0d5301af
KR		 1274 min_version = TLS1_1_VERSION;
1275 max_version = TLS1_1_VERSION;
7e1b7485
RS		 1276 break;
1277 case OPT_TLS1:
0d5301af
KR		 1278 min_version = TLS1_VERSION;
1279 max_version = TLS1_VERSION;
7e1b7485 1280 break;
7e1b7485 1281 case OPT_DTLS:
6b01bed2 1282#ifndef OPENSSL_NO_DTLS
0f113f3e
MC		 1283 meth = DTLS_client_method();
1284 socket_type = SOCK_DGRAM;
8ccc2377 1285 isdtls = 1;
6b01bed2 1286#endif
7e1b7485
RS		 1287 break;
1288 case OPT_DTLS1:
6b01bed2 1289#ifndef OPENSSL_NO_DTLS1
0d5301af
KR		 1290 meth = DTLS_client_method();
1291 min_version = DTLS1_VERSION;
1292 max_version = DTLS1_VERSION;
0f113f3e 1293 socket_type = SOCK_DGRAM;
8ccc2377 1294 isdtls = 1;
6b01bed2 1295#endif
7e1b7485
RS		 1296 break;
1297 case OPT_DTLS1_2:
6b01bed2 1298#ifndef OPENSSL_NO_DTLS1_2
0d5301af
KR		 1299 meth = DTLS_client_method();
1300 min_version = DTLS1_2_VERSION;
1301 max_version = DTLS1_2_VERSION;
0f113f3e 1302 socket_type = SOCK_DGRAM;
8ccc2377
MC		 1303 isdtls = 1;
1304#endif
1305 break;
1306 case OPT_SCTP:
1307#ifndef OPENSSL_NO_SCTP
1308 protocol = IPPROTO_SCTP;
6b01bed2 1309#endif
7e1b7485
RS		 1310 break;
1311 case OPT_TIMEOUT:
6b01bed2 1312#ifndef OPENSSL_NO_DTLS
0f113f3e 1313 enable_timeouts = 1;
6b01bed2 1314#endif
7e1b7485
RS		 1315 break;
1316 case OPT_MTU:
6b01bed2 1317#ifndef OPENSSL_NO_DTLS
7e1b7485 1318 socket_mtu = atol(opt_arg());
0f113f3e 1319#endif
6b01bed2 1320 break;
7e1b7485 1321 case OPT_FALLBACKSCSV:
0f113f3e 1322 fallback_scsv = 1;
7e1b7485
RS		 1323 break;
1324 case OPT_KEYFORM:
a6972f34 1325 if (!opt_format(opt_arg(), OPT_FMT_PDE, &key_format))
7e1b7485
RS		 1326 goto opthelp;
1327 break;
1328 case OPT_PASS:
1329 passarg = opt_arg();
1330 break;
1331 case OPT_CERT_CHAIN:
1332 chain_file = opt_arg();
1333 break;
1334 case OPT_KEY:
1335 key_file = opt_arg();
1336 break;
1337 case OPT_RECONNECT:
0f113f3e 1338 reconnect = 5;
7e1b7485
RS		 1339 break;
1340 case OPT_CAPATH:
1341 CApath = opt_arg();
1342 break;
2b6bcb70
MC		 1343 case OPT_NOCAPATH:
1344 noCApath = 1;
1345 break;
7e1b7485
RS		 1346 case OPT_CHAINCAPATH:
1347 chCApath = opt_arg();
1348 break;
1349 case OPT_VERIFYCAPATH:
1350 vfyCApath = opt_arg();
1351 break;
1352 case OPT_BUILD_CHAIN:
0f113f3e 1353 build_chain = 1;
7e1b7485 1354 break;
d2add501
DSH		 1355 case OPT_REQCAFILE:
1356 ReqCAfile = opt_arg();
1357 break;
7e1b7485
RS		 1358 case OPT_CAFILE:
1359 CAfile = opt_arg();
1360 break;
2b6bcb70
MC		 1361 case OPT_NOCAFILE:
1362 noCAfile = 1;
1363 break;
dd696a55
RP		 1364#ifndef OPENSSL_NO_CT
1365 case OPT_NOCT:
43341433 1366 ct_validation = 0;
dd696a55 1367 break;
43341433
VD		 1368 case OPT_CT:
1369 ct_validation = 1;
dd696a55
RP		 1370 break;
1371 case OPT_CTLOG_FILE:
1372 ctlog_file = opt_arg();
1373 break;
1374#endif
7e1b7485
RS		 1375 case OPT_CHAINCAFILE:
1376 chCAfile = opt_arg();
1377 break;
1378 case OPT_VERIFYCAFILE:
1379 vfyCAfile = opt_arg();
1380 break;
cddd424a
VD		 1381 case OPT_DANE_TLSA_DOMAIN:
1382 dane_tlsa_domain = opt_arg();
1383 break;
1384 case OPT_DANE_TLSA_RRDATA:
1385 if (dane_tlsa_rrset == NULL)
1386 dane_tlsa_rrset = sk_OPENSSL_STRING_new_null();
1387 if (dane_tlsa_rrset == NULL ||
1388 !sk_OPENSSL_STRING_push(dane_tlsa_rrset, opt_arg())) {
1389 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1390 goto end;
1391 }
1392 break;
c4fbed6c
VD		 1393 case OPT_DANE_EE_NO_NAME:
1394 dane_ee_no_name = 1;
1395 break;
7e1b7485 1396 case OPT_NEXTPROTONEG:
1595ca02 1397#ifndef OPENSSL_NO_NEXTPROTONEG
7e1b7485 1398 next_proto_neg_in = opt_arg();
1595ca02 1399#endif
7e1b7485
RS		 1400 break;
1401 case OPT_ALPN:
1402 alpn_in = opt_arg();
1403 break;
1404 case OPT_SERVERINFO:
1405 p = opt_arg();
1406 len = strlen(p);
1407 for (start = 0, i = 0; i <= len; ++i) {
1408 if (i == len || p[i] == ',') {
1409 serverinfo_types[serverinfo_count] = atoi(p + start);
1410 if (++serverinfo_count == MAX_SI_TYPES)
1411 break;
0f113f3e
MC		 1412 start = i + 1;
1413 }
0f113f3e 1414 }
7e1b7485 1415 break;
7e1b7485
RS		 1416 case OPT_STARTTLS:
1417 if (!opt_pair(opt_arg(), services, &starttls_proto))
1418 goto end;
46da5f9c 1419 break;
7e1b7485
RS		 1420 case OPT_SERVERNAME:
1421 servername = opt_arg();
7e1b7485 1422 break;
11ba87f2
MC		 1423 case OPT_NOSERVERNAME:
1424 noservername = 1;
1425 break;
7e1b7485 1426 case OPT_USE_SRTP:
dad88680 1427#ifndef OPENSSL_NO_SRTP
7e1b7485 1428 srtp_profiles = opt_arg();
dad88680 1429#endif
7e1b7485
RS		 1430 break;
1431 case OPT_KEYMATEXPORT:
1432 keymatexportlabel = opt_arg();
1433 break;
1434 case OPT_KEYMATEXPORTLEN:
1435 keymatexportlen = atoi(opt_arg());
0f113f3e 1436 break;
7e25dd6d
MC		 1437 case OPT_ASYNC:
1438 async = 1;
1439 break;
cf72c757
F		 1440 case OPT_MAXFRAGLEN:
1441 len = atoi(opt_arg());
1442 switch (len) {
1443 case 512:
1444 maxfraglen = TLSEXT_max_fragment_length_512;
1445 break;
1446 case 1024:
1447 maxfraglen = TLSEXT_max_fragment_length_1024;
1448 break;
1449 case 2048:
1450 maxfraglen = TLSEXT_max_fragment_length_2048;
1451 break;
1452 case 4096:
1453 maxfraglen = TLSEXT_max_fragment_length_4096;
1454 break;
1455 default:
1456 BIO_printf(bio_err,
1457 "%s: Max Fragment Len %u is out of permitted values",
1458 prog, len);
1459 goto opthelp;
1460 }
1461 break;
28e5ea88
F		 1462 case OPT_MAX_SEND_FRAG:
1463 max_send_fragment = atoi(opt_arg());
28e5ea88 1464 break;
032c6d21
MC		 1465 case OPT_SPLIT_SEND_FRAG:
1466 split_send_fragment = atoi(opt_arg());
032c6d21
MC		 1467 break;
1468 case OPT_MAX_PIPELINES:
1469 max_pipelines = atoi(opt_arg());
1470 break;
dad78fb1
MC		 1471 case OPT_READ_BUF:
1472 read_buf_len = atoi(opt_arg());
1473 break;
4bf73e9f
PW		 1474 case OPT_KEYLOG_FILE:
1475 keylog_file = opt_arg();
1476 break;
923ac827
MC		 1477 case OPT_EARLY_DATA:
1478 early_data_file = opt_arg();
1479 break;
9d75dce3
TS		 1480 case OPT_FORCE_PHA:
1481 force_pha = 1;
1482 break;
0f113f3e 1483 }
0f113f3e 1484 }
fe08bd76
RS		 1485 if (count4or6 >= 2) {
1486 BIO_printf(bio_err, "%s: Can't use both -4 and -6\n", prog);
1487 goto opthelp;
1488 }
11ba87f2
MC		 1489 if (noservername) {
1490 if (servername != NULL) {
1491 BIO_printf(bio_err,
1492 "%s: Can't use -servername and -noservername together\n",
1493 prog);
1494 goto opthelp;
1495 }
1496 if (dane_tlsa_domain != NULL) {
1497 BIO_printf(bio_err,
1498 "%s: Can't use -dane_tlsa_domain and -noservername together\n",
1499 prog);
1500 goto opthelp;
1501 }
1502 }
7e1b7485 1503 argc = opt_num_rest();
729ef856
CB		 1504 if (argc == 1) {
1505 /* If there's a positional argument, it's the equivalent of
1506 * OPT_CONNECT.
1507 * Don't allow -connect and a separate argument.
1508 */
1509 if (connectstr != NULL) {
1510 BIO_printf(bio_err,
1511 "%s: must not provide both -connect option and target parameter\n",
1512 prog);
1513 goto opthelp;
1514 }
1515 connect_type = use_inet;
222417eb 1516 freeandcopy(&connectstr, *opt_rest());
729ef856 1517 } else if (argc != 0) {
03358517 1518 goto opthelp;
729ef856 1519 }
0f113f3e 1520
837f87c2
PY		 1521#ifndef OPENSSL_NO_NEXTPROTONEG
1522 if (min_version == TLS1_3_VERSION && next_proto_neg_in != NULL) {
1523 BIO_printf(bio_err, "Cannot supply -nextprotoneg with TLSv1.3\n");
1524 goto opthelp;
1525 }
1526#endif
2234212c 1527 if (proxystr != NULL) {
ab69ac00
RL		 1528 int res;
1529 char *tmp_host = host, *tmp_port = port;
552bf8ec 1530 if (connectstr == NULL) {
729ef856 1531 BIO_printf(bio_err, "%s: -proxy requires use of -connect or target parameter\n", prog);
552bf8ec
MT		 1532 goto opthelp;
1533 }
ab69ac00
RL		 1534 res = BIO_parse_hostserv(proxystr, &host, &port, BIO_PARSE_PRIO_HOST);
1535 if (tmp_host != host)
1536 OPENSSL_free(tmp_host);
1537 if (tmp_port != port)
1538 OPENSSL_free(tmp_port);
1539 if (!res) {
d6073e27
F		 1540 BIO_printf(bio_err,
1541 "%s: -proxy argument malformed or ambiguous\n", prog);
ab69ac00
RL		 1542 goto end;
1543 }
1544 } else {
1545 int res = 1;
1546 char *tmp_host = host, *tmp_port = port;
1547 if (connectstr != NULL)
1548 res = BIO_parse_hostserv(connectstr, &host, &port,
1549 BIO_PARSE_PRIO_HOST);
1550 if (tmp_host != host)
1551 OPENSSL_free(tmp_host);
1552 if (tmp_port != port)
1553 OPENSSL_free(tmp_port);
1554 if (!res) {
1555 BIO_printf(bio_err,
729ef856 1556 "%s: -connect argument or target parameter malformed or ambiguous\n",
ab69ac00 1557 prog);
552bf8ec 1558 goto end;
ab69ac00 1559 }
552bf8ec 1560 }
552bf8ec 1561
ebc01683
JH		 1562 if (bindstr != NULL) {
1563 int res;
1564 res = BIO_parse_hostserv(bindstr, &bindhost, &bindport,
1565 BIO_PARSE_PRIO_HOST);
1566 if (!res) {
1567 BIO_printf(bio_err,
1568 "%s: -bind argument parameter malformed or ambiguous\n",
1569 prog);
1570 goto end;
1571 }
1572 }
1573
326eaa94 1574#ifdef AF_UNIX
ab69ac00 1575 if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) {
0f113f3e
MC		 1576 BIO_printf(bio_err,
1577 "Can't use unix sockets and datagrams together\n");
1578 goto end;
1579 }
326eaa94 1580#endif
f3b7bdad 1581
8ccc2377
MC		 1582#ifndef OPENSSL_NO_SCTP
1583 if (protocol == IPPROTO_SCTP) {
1584 if (socket_type != SOCK_DGRAM) {
1585 BIO_printf(bio_err, "Can't use -sctp without DTLS\n");
1586 goto end;
1587 }
1588 /* SCTP is unusual. It uses DTLS over a SOCK_STREAM protocol */
1589 socket_type = SOCK_STREAM;
1590 }
1591#endif
032c6d21 1592
e481f9b9 1593#if !defined(OPENSSL_NO_NEXTPROTONEG)
0f113f3e
MC		 1594 next_proto.status = -1;
1595 if (next_proto_neg_in) {
1596 next_proto.data =
1597 next_protos_parse(&next_proto.len, next_proto_neg_in);
1598 if (next_proto.data == NULL) {
1599 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n");
1600 goto end;
1601 }
1602 } else
1603 next_proto.data = NULL;
ee2ffc27
BL		 1604#endif
1605
7e1b7485 1606 if (!app_passwd(passarg, NULL, &pass, NULL)) {
0f113f3e
MC		 1607 BIO_printf(bio_err, "Error getting password\n");
1608 goto end;
1609 }
1610
1611 if (key_file == NULL)
1612 key_file = cert_file;
1613
2234212c 1614 if (key_file != NULL) {
7e1b7485 1615 key = load_key(key_file, key_format, 0, pass, e,
0f113f3e 1616 "client certificate private key file");
7e1b7485 1617 if (key == NULL) {
0f113f3e
MC		 1618 ERR_print_errors(bio_err);
1619 goto end;
1620 }
0f113f3e
MC		 1621 }
1622
2234212c 1623 if (cert_file != NULL) {
a773b52a 1624 cert = load_cert(cert_file, cert_format, "client certificate file");
7e1b7485 1625 if (cert == NULL) {
0f113f3e
MC		 1626 ERR_print_errors(bio_err);
1627 goto end;
1628 }
1629 }
1630
2234212c 1631 if (chain_file != NULL) {
a773b52a 1632 if (!load_certs(chain_file, &chain, FORMAT_PEM, NULL,
0996dc54 1633 "client certificate chain"))
0f113f3e
MC		 1634 goto end;
1635 }
1636
2234212c 1637 if (crl_file != NULL) {
0f113f3e
MC		 1638 X509_CRL *crl;
1639 crl = load_crl(crl_file, crl_format);
7e1b7485 1640 if (crl == NULL) {
0f113f3e
MC		 1641 BIO_puts(bio_err, "Error loading CRL\n");
1642 ERR_print_errors(bio_err);
1643 goto end;
1644 }
1645 crls = sk_X509_CRL_new_null();
7e1b7485 1646 if (crls == NULL || !sk_X509_CRL_push(crls, crl)) {
0f113f3e
MC		 1647 BIO_puts(bio_err, "Error adding CRL\n");
1648 ERR_print_errors(bio_err);
1649 X509_CRL_free(crl);
1650 goto end;
1651 }
1652 }
1653
7e1b7485 1654 if (!load_excert(&exc))
0f113f3e
MC		 1655 goto end;
1656
0f113f3e
MC		 1657 if (bio_c_out == NULL) {
1658 if (c_quiet && !c_debug) {
1659 bio_c_out = BIO_new(BIO_s_null());
2234212c 1660 if (c_msg && bio_c_msg == NULL)
a60994df 1661 bio_c_msg = dup_bio_out(FORMAT_TEXT);
7e1b7485 1662 } else if (bio_c_out == NULL)
a60994df 1663 bio_c_out = dup_bio_out(FORMAT_TEXT);
0f113f3e 1664 }
edc032b5 1665#ifndef OPENSSL_NO_SRP
7e1b7485 1666 if (!app_passwd(srppass, NULL, &srp_arg.srppassin, NULL)) {
0f113f3e
MC		 1667 BIO_printf(bio_err, "Error getting password\n");
1668 goto end;
1669 }
1670#endif
1671
1672 ctx = SSL_CTX_new(meth);
1673 if (ctx == NULL) {
1674 ERR_print_errors(bio_err);
1675 goto end;
1676 }
1677
1678 if (sdebug)
ecf3a1fb 1679 ssl_ctx_security_debug(ctx, sdebug);
0f113f3e 1680
8f8be103
RL		 1681 if (!config_ctx(cctx, ssl_args, ctx))
1682 goto end;
1683
2234212c 1684 if (ssl_config != NULL) {
287d0b94
DSH		 1685 if (SSL_CTX_config(ctx, ssl_config) == 0) {
1686 BIO_printf(bio_err, "Error using configuration \"%s\"\n",
1687 ssl_config);
d6073e27
F		 1688 ERR_print_errors(bio_err);
1689 goto end;
287d0b94
DSH		 1690 }
1691 }
1692
8f8be103
RL		 1693 if (min_version != 0
1694 && SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
0d5301af 1695 goto end;
8f8be103
RL		 1696 if (max_version != 0
1697 && SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
0d5301af
KR		 1698 goto end;
1699
7e1b7485 1700 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
ac59d705
MC		 1701 BIO_printf(bio_err, "Error setting verify params\n");
1702 ERR_print_errors(bio_err);
1703 goto end;
1704 }
0f113f3e 1705
5e6f9775 1706 if (async) {
7e25dd6d 1707 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
5e6f9775 1708 }
28e5ea88 1709
36b2cfb1
F		 1710 if (max_send_fragment > 0
1711 && !SSL_CTX_set_max_send_fragment(ctx, max_send_fragment)) {
1712 BIO_printf(bio_err, "%s: Max send fragment size %u is out of permitted range\n",
1713 prog, max_send_fragment);
1714 goto end;
1715 }
28e5ea88 1716
36b2cfb1
F		 1717 if (split_send_fragment > 0
1718 && !SSL_CTX_set_split_send_fragment(ctx, split_send_fragment)) {
1719 BIO_printf(bio_err, "%s: Split send fragment size %u is out of permitted range\n",
1720 prog, split_send_fragment);
1721 goto end;
032c6d21 1722 }
36b2cfb1
F		 1723
1724 if (max_pipelines > 0
1725 && !SSL_CTX_set_max_pipelines(ctx, max_pipelines)) {
1726 BIO_printf(bio_err, "%s: Max pipelines %u is out of permitted range\n",
1727 prog, max_pipelines);
1728 goto end;
032c6d21 1729 }
7e25dd6d 1730
dad78fb1
MC		 1731 if (read_buf_len > 0) {
1732 SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len);
1733 }
1734
cf72c757
F		 1735 if (maxfraglen > 0
1736 && !SSL_CTX_set_tlsext_max_fragment_length(ctx, maxfraglen)) {
1737 BIO_printf(bio_err,
1738 "%s: Max Fragment Length code %u is out of permitted values"
1739 "\n", prog, maxfraglen);
1740 goto end;
1741 }
1742
0f113f3e
MC		 1743 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1744 crls, crl_download)) {
1745 BIO_printf(bio_err, "Error loading store locations\n");
1746 ERR_print_errors(bio_err);
1747 goto end;
1748 }
d2add501
DSH		 1749 if (ReqCAfile != NULL) {
1750 STACK_OF(X509_NAME) *nm = sk_X509_NAME_new_null();
5969a2dd 1751
d2add501
DSH		 1752 if (nm == NULL || !SSL_add_file_cert_subjects_to_stack(nm, ReqCAfile)) {
1753 sk_X509_NAME_pop_free(nm, X509_NAME_free);
1754 BIO_printf(bio_err, "Error loading CA names\n");
1755 ERR_print_errors(bio_err);
1756 goto end;
1757 }
1758 SSL_CTX_set0_CA_list(ctx, nm);
1759 }
59d2d48f 1760#ifndef OPENSSL_NO_ENGINE
0f113f3e
MC		 1761 if (ssl_client_engine) {
1762 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine)) {
1763 BIO_puts(bio_err, "Error setting client auth engine\n");
1764 ERR_print_errors(bio_err);
1765 ENGINE_free(ssl_client_engine);
1766 goto end;
1767 }
1768 ENGINE_free(ssl_client_engine);
1769 }
59d2d48f
DSH		 1770#endif
1771
ddac1974 1772#ifndef OPENSSL_NO_PSK
dba31777 1773 if (psk_key != NULL) {
0f113f3e 1774 if (c_debug)
d6073e27 1775 BIO_printf(bio_c_out, "PSK key given, setting client callback\n");
0f113f3e
MC		 1776 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
1777 }
e783bae2 1778#endif
e261bdd1
MC		 1779 if (psksessf != NULL) {
1780 BIO *stmp = BIO_new_file(psksessf, "r");
1781
1782 if (stmp == NULL) {
1783 BIO_printf(bio_err, "Can't open PSK session file %s\n", psksessf);
1784 ERR_print_errors(bio_err);
1785 goto end;
1786 }
1787 psksess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1788 BIO_free(stmp);
1789 if (psksess == NULL) {
1790 BIO_printf(bio_err, "Can't read PSK session file %s\n", psksessf);
1791 ERR_print_errors(bio_err);
1792 goto end;
1793 }
e261bdd1 1794 }
5ffff599
MC		 1795 if (psk_key != NULL || psksess != NULL)
1796 SSL_CTX_set_psk_use_session_callback(ctx, psk_use_session_cb);
1797
e783bae2 1798#ifndef OPENSSL_NO_SRTP
ac59d705 1799 if (srtp_profiles != NULL) {
7e1b7485
RS		 1800 /* Returns 0 on success! */
1801 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
ac59d705
MC		 1802 BIO_printf(bio_err, "Error setting SRTP profile\n");
1803 ERR_print_errors(bio_err);
1804 goto end;
1805 }
1806 }
0f113f3e 1807#endif
7e1b7485 1808
2234212c 1809 if (exc != NULL)
0f113f3e 1810 ssl_ctx_set_excert(ctx, exc);
d02b48c6 1811
e481f9b9 1812#if !defined(OPENSSL_NO_NEXTPROTONEG)
2234212c 1813 if (next_proto.data != NULL)
0f113f3e 1814 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
e481f9b9 1815#endif
0f113f3e 1816 if (alpn_in) {
817cd0d5 1817 size_t alpn_len;
0f113f3e
MC		 1818 unsigned char *alpn = next_protos_parse(&alpn_len, alpn_in);
1819
1820 if (alpn == NULL) {
1821 BIO_printf(bio_err, "Error parsing -alpn argument\n");
1822 goto end;
1823 }
7e1b7485
RS		 1824 /* Returns 0 on success! */
1825 if (SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len) != 0) {
d6073e27 1826 BIO_printf(bio_err, "Error setting ALPN\n");
ac59d705
MC		 1827 goto end;
1828 }
0f113f3e
MC		 1829 OPENSSL_free(alpn);
1830 }
e481f9b9 1831
7e1b7485 1832 for (i = 0; i < serverinfo_count; i++) {
61986d32 1833 if (!SSL_CTX_add_client_custom_ext(ctx,
7e1b7485
RS		 1834 serverinfo_types[i],
1835 NULL, NULL, NULL,
1836 serverinfo_cli_parse_cb, NULL)) {
1837 BIO_printf(bio_err,
d6073e27
F		 1838 "Warning: Unable to add custom extension %u, skipping\n",
1839 serverinfo_types[i]);
ac59d705 1840 }
0f113f3e 1841 }
ee2ffc27 1842
0f113f3e
MC		 1843 if (state)
1844 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
d02b48c6 1845
dd696a55 1846#ifndef OPENSSL_NO_CT
43341433
VD		 1847 /* Enable SCT processing, without early connection termination */
1848 if (ct_validation &&
1849 !SSL_CTX_enable_ct(ctx, SSL_CT_VALIDATION_PERMISSIVE)) {
dd696a55
RP		 1850 ERR_print_errors(bio_err);
1851 goto end;
1852 }
1853
70073f3e 1854 if (!ctx_set_ctlog_list_file(ctx, ctlog_file)) {
43341433 1855 if (ct_validation) {
328f36c5
RP		 1856 ERR_print_errors(bio_err);
1857 goto end;
1858 }
1859
1860 /*
1861 * If CT validation is not enabled, the log list isn't needed so don't
1862 * show errors or abort. We try to load it regardless because then we
1863 * can show the names of the logs any SCTs came from (SCTs may be seen
1864 * even with validation disabled).
1865 */
1866 ERR_clear_error();
dd696a55
RP		 1867 }
1868#endif
1869
0f113f3e 1870 SSL_CTX_set_verify(ctx, verify, verify_callback);
d02b48c6 1871
2b6bcb70 1872 if (!ctx_set_verify_locations(ctx, CAfile, CApath, noCAfile, noCApath)) {
0f113f3e 1873 ERR_print_errors(bio_err);
7e1b7485 1874 goto end;
0f113f3e 1875 }
d02b48c6 1876
0f113f3e 1877 ssl_ctx_add_crls(ctx, crls, crl_download);
fdb78f3d 1878
0f113f3e
MC		 1879 if (!set_cert_key_stuff(ctx, cert, key, chain, build_chain))
1880 goto end;
74ecfab4 1881
11ba87f2 1882 if (!noservername) {
0f113f3e
MC		 1883 tlsextcbp.biodebug = bio_err;
1884 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1885 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1886 }
1887# ifndef OPENSSL_NO_SRP
1888 if (srp_arg.srplogin) {
1889 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin)) {
1890 BIO_printf(bio_err, "Unable to set SRP username\n");
1891 goto end;
1892 }
1893 srp_arg.msg = c_msg;
1894 srp_arg.debug = c_debug;
1895 SSL_CTX_set_srp_cb_arg(ctx, &srp_arg);
1896 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb);
1897 SSL_CTX_set_srp_strength(ctx, srp_arg.strength);
1898 if (c_msg || c_debug || srp_arg.amp == 0)
1899 SSL_CTX_set_srp_verify_param_callback(ctx,
1900 ssl_srp_verify_param_cb);
1901 }
1902# endif
0f113f3e 1903
cddd424a
VD		 1904 if (dane_tlsa_domain != NULL) {
1905 if (SSL_CTX_dane_enable(ctx) <= 0) {
1906 BIO_printf(bio_err,
d6073e27
F		 1907 "%s: Error enabling DANE TLSA authentication.\n",
1908 prog);
cddd424a
VD		 1909 ERR_print_errors(bio_err);
1910 goto end;
1911 }
1912 }
1913
be62b22b
MC		 1914 /*
1915 * In TLSv1.3 NewSessionTicket messages arrive after the handshake and can
1916 * come at any time. Therefore we use a callback to write out the session
1917 * when we know about it. This approach works for < TLSv1.3 as well.
1918 */
2234212c 1919 if (sess_out != NULL) {
be62b22b
MC		 1920 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_CLIENT
1921 | SSL_SESS_CACHE_NO_INTERNAL_STORE);
1922 SSL_CTX_sess_set_new_cb(ctx, new_session_cb);
1923 }
1924
4bf73e9f
PW		 1925 if (set_keylog_file(ctx, keylog_file))
1926 goto end;
1927
0f113f3e 1928 con = SSL_new(ctx);
f84a648c
K		 1929 if (con == NULL)
1930 goto end;
1931
9d75dce3
TS		 1932 if (force_pha)
1933 SSL_force_post_handshake_auth(con);
1934
2234212c 1935 if (sess_in != NULL) {
0f113f3e
MC		 1936 SSL_SESSION *sess;
1937 BIO *stmp = BIO_new_file(sess_in, "r");
2234212c 1938 if (stmp == NULL) {
0f113f3e
MC		 1939 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1940 ERR_print_errors(bio_err);
1941 goto end;
1942 }
1943 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1944 BIO_free(stmp);
2234212c 1945 if (sess == NULL) {
0f113f3e
MC		 1946 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1947 ERR_print_errors(bio_err);
1948 goto end;
1949 }
61986d32 1950 if (!SSL_set_session(con, sess)) {
ac59d705
MC		 1951 BIO_printf(bio_err, "Can't set session\n");
1952 ERR_print_errors(bio_err);
1953 goto end;
1954 }
b510b740 1955
0f113f3e
MC		 1956 SSL_SESSION_free(sess);
1957 }
1958
1959 if (fallback_scsv)
1960 SSL_set_mode(con, SSL_MODE_SEND_FALLBACK_SCSV);
cf6da053 1961
11ba87f2
MC		 1962 if (!noservername && (servername != NULL || dane_tlsa_domain == NULL)) {
1963 if (servername == NULL)
1964 servername = (host == NULL) ? "localhost" : host;
0f113f3e
MC		 1965 if (!SSL_set_tlsext_host_name(con, servername)) {
1966 BIO_printf(bio_err, "Unable to set TLS servername extension.\n");
1967 ERR_print_errors(bio_err);
1968 goto end;
1969 }
1970 }
d02b48c6 1971
cddd424a
VD		 1972 if (dane_tlsa_domain != NULL) {
1973 if (SSL_dane_enable(con, dane_tlsa_domain) <= 0) {
1974 BIO_printf(bio_err, "%s: Error enabling DANE TLSA "
1975 "authentication.\n", prog);
1976 ERR_print_errors(bio_err);
1977 goto end;
1978 }
1979 if (dane_tlsa_rrset == NULL) {
1980 BIO_printf(bio_err, "%s: DANE TLSA authentication requires at "
bc87fb6b 1981 "least one -dane_tlsa_rrdata option.\n", prog);
cddd424a
VD		 1982 goto end;
1983 }
1984 if (tlsa_import_rrset(con, dane_tlsa_rrset) <= 0) {
1985 BIO_printf(bio_err, "%s: Failed to import any TLSA "
1986 "records.\n", prog);
1987 goto end;
1988 }
c4fbed6c
VD		 1989 if (dane_ee_no_name)
1990 SSL_dane_set_flags(con, DANE_FLAG_NO_DANE_EE_NAMECHECKS);
cddd424a 1991 } else if (dane_tlsa_rrset != NULL) {
bde136c8
F		 1992 BIO_printf(bio_err, "%s: DANE TLSA authentication requires the "
1993 "-dane_tlsa_domain option.\n", prog);
1994 goto end;
cddd424a
VD		 1995 }
1996
0f113f3e 1997 re_start:
ebc01683
JH		 1998 if (init_client(&s, host, port, bindhost, bindport, socket_family,
1999 socket_type, protocol) == 0) {
0f113f3e 2000 BIO_printf(bio_err, "connect:errno=%d\n", get_last_socket_error());
8731a4fc 2001 BIO_closesocket(s);
0f113f3e
MC		 2002 goto end;
2003 }
2004 BIO_printf(bio_c_out, "CONNECTED(%08X)\n", s);
d02b48c6 2005
0f113f3e 2006 if (c_nbio) {
ba810815 2007 if (!BIO_socket_nbio(s, 1)) {
0f113f3e
MC		 2008 ERR_print_errors(bio_err);
2009 goto end;
2010 }
ba810815 2011 BIO_printf(bio_c_out, "Turned on non blocking io\n");
0f113f3e 2012 }
40a8e9c2 2013#ifndef OPENSSL_NO_DTLS
8ccc2377 2014 if (isdtls) {
642a166c 2015 union BIO_sock_info_u peer_info;
0f113f3e 2016
8ccc2377
MC		 2017#ifndef OPENSSL_NO_SCTP
2018 if (protocol == IPPROTO_SCTP)
2019 sbio = BIO_new_dgram_sctp(s, BIO_NOCLOSE);
2020 else
2021#endif
2022 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
2023
642a166c
RL		 2024 if ((peer_info.addr = BIO_ADDR_new()) == NULL) {
2025 BIO_printf(bio_err, "memory allocation failure\n");
2026 BIO_closesocket(s);
d6accd50 2027 goto end;
642a166c
RL		 2028 }
2029 if (!BIO_sock_info(s, BIO_SOCK_INFO_ADDRESS, &peer_info)) {
0f113f3e
MC		 2030 BIO_printf(bio_err, "getsockname:errno=%d\n",
2031 get_last_socket_error());
642a166c 2032 BIO_ADDR_free(peer_info.addr);
8731a4fc 2033 BIO_closesocket(s);
0f113f3e
MC		 2034 goto end;
2035 }
2036
642a166c
RL		 2037 (void)BIO_ctrl_set_connected(sbio, peer_info.addr);
2038 BIO_ADDR_free(peer_info.addr);
2039 peer_info.addr = NULL;
0f113f3e
MC		 2040
2041 if (enable_timeouts) {
2042 timeout.tv_sec = 0;
2043 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2044 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2045
2046 timeout.tv_sec = 0;
2047 timeout.tv_usec = DGRAM_SND_TIMEOUT;
2048 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2049 }
2050
2051 if (socket_mtu) {
2052 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
2053 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
2054 DTLS_get_link_min_mtu(con));
2055 BIO_free(sbio);
2056 goto shut;
2057 }
2058 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2059 if (!DTLS_set_link_mtu(con, socket_mtu)) {
2060 BIO_printf(bio_err, "Failed to set MTU\n");
2061 BIO_free(sbio);
2062 goto shut;
2063 }
2234212c 2064 } else {
0f113f3e
MC		 2065 /* want to do MTU discovery */
2066 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2234212c 2067 }
0f113f3e 2068 } else
40a8e9c2 2069#endif /* OPENSSL_NO_DTLS */
0f113f3e
MC		 2070 sbio = BIO_new_socket(s, BIO_NOCLOSE);
2071
2072 if (nbio_test) {
2073 BIO *test;
2074
2075 test = BIO_new(BIO_f_nbio_test());
2076 sbio = BIO_push(test, sbio);
2077 }
2078
2079 if (c_debug) {
0f113f3e
MC		 2080 BIO_set_callback(sbio, bio_dump_callback);
2081 BIO_set_callback_arg(sbio, (char *)bio_c_out);
2082 }
2083 if (c_msg) {
93ab9e42 2084#ifndef OPENSSL_NO_SSL_TRACE
0f113f3e
MC		 2085 if (c_msg == 2)
2086 SSL_set_msg_callback(con, SSL_trace);
2087 else
93ab9e42 2088#endif
0f113f3e
MC		 2089 SSL_set_msg_callback(con, msg_cb);
2090 SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out);
2091 }
e481f9b9 2092
0f113f3e
MC		 2093 if (c_tlsextdebug) {
2094 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2095 SSL_set_tlsext_debug_arg(con, bio_c_out);
2096 }
3e41ac35 2097#ifndef OPENSSL_NO_OCSP
0f113f3e
MC		 2098 if (c_status_req) {
2099 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
2100 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
2101 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
0f113f3e 2102 }
3e41ac35 2103#endif
0f113f3e
MC		 2104
2105 SSL_set_bio(con, sbio, sbio);
2106 SSL_set_connect_state(con);
2107
2108 /* ok, lets connect */
51e5133d
RL		 2109 if (fileno_stdin() > SSL_get_fd(con))
2110 width = fileno_stdin() + 1;
0d3b6583
RL		 2111 else
2112 width = SSL_get_fd(con) + 1;
51e5133d 2113
0f113f3e
MC		 2114 read_tty = 1;
2115 write_tty = 0;
2116 tty_on = 0;
2117 read_ssl = 1;
2118 write_ssl = 1;
2119
2120 cbuf_len = 0;
2121 cbuf_off = 0;
2122 sbuf_len = 0;
2123 sbuf_off = 0;
2124
7e1b7485
RS		 2125 switch ((PROTOCOL_CHOICE) starttls_proto) {
2126 case PROTO_OFF:
2127 break;
9576545a 2128 case PROTO_LMTP:
7e1b7485
RS		 2129 case PROTO_SMTP:
2130 {
2131 /*
2132 * This is an ugly hack that does a lot of assumptions. We do
2133 * have to handle multi-line responses which may come in a single
2134 * packet or not. We therefore have to use BIO_gets() which does
2135 * need a buffering BIO. So during the initial chitchat we do
2136 * push a buffering BIO into the chain that is removed again
2137 * later on to not disturb the rest of the s_client operation.
2138 */
2139 int foundit = 0;
2140 BIO *fbio = BIO_new(BIO_f_buffer());
20967afb 2141
7e1b7485 2142 BIO_push(fbio, sbio);
9576545a 2143 /* Wait for multi-line response to end from LMTP or SMTP */
7e1b7485
RS		 2144 do {
2145 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
20967afb 2146 } while (mbuf_len > 3 && mbuf[3] == '-');
8176431d
PY		 2147 if (protohost == NULL)
2148 protohost = "mail.example.com";
7524c520 2149 if (starttls_proto == (int)PROTO_LMTP)
8176431d 2150 BIO_printf(fbio, "LHLO %s\r\n", protohost);
7524c520 2151 else
8176431d 2152 BIO_printf(fbio, "EHLO %s\r\n", protohost);
7e1b7485 2153 (void)BIO_flush(fbio);
9576545a
RS		 2154 /*
2155 * Wait for multi-line response to end LHLO LMTP or EHLO SMTP
2156 * response.
2157 */
7e1b7485
RS		 2158 do {
2159 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2160 if (strstr(mbuf, "STARTTLS"))
2161 foundit = 1;
20967afb 2162 } while (mbuf_len > 3 && mbuf[3] == '-');
7e1b7485
RS		 2163 (void)BIO_flush(fbio);
2164 BIO_pop(fbio);
2165 BIO_free(fbio);
2166 if (!foundit)
2167 BIO_printf(bio_err,
20967afb 2168 "Didn't find STARTTLS in server response,"
c7944cf1 2169 " trying anyway...\n");
7e1b7485
RS		 2170 BIO_printf(sbio, "STARTTLS\r\n");
2171 BIO_read(sbio, sbuf, BUFSIZZ);
0f113f3e 2172 }
7e1b7485
RS		 2173 break;
2174 case PROTO_POP3:
2175 {
2176 BIO_read(sbio, mbuf, BUFSIZZ);
2177 BIO_printf(sbio, "STLS\r\n");
2178 mbuf_len = BIO_read(sbio, sbuf, BUFSIZZ);
2179 if (mbuf_len < 0) {
2180 BIO_printf(bio_err, "BIO_read failed\n");
2181 goto end;
2182 }
0f113f3e 2183 }
7e1b7485
RS		 2184 break;
2185 case PROTO_IMAP:
2186 {
2187 int foundit = 0;
2188 BIO *fbio = BIO_new(BIO_f_buffer());
20967afb 2189
7e1b7485
RS		 2190 BIO_push(fbio, sbio);
2191 BIO_gets(fbio, mbuf, BUFSIZZ);
2192 /* STARTTLS command requires CAPABILITY... */
2193 BIO_printf(fbio, ". CAPABILITY\r\n");
2194 (void)BIO_flush(fbio);
2195 /* wait for multi-line CAPABILITY response */
2196 do {
2197 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2198 if (strstr(mbuf, "STARTTLS"))
2199 foundit = 1;
2200 }
2201 while (mbuf_len > 3 && mbuf[0] != '.');
2202 (void)BIO_flush(fbio);
2203 BIO_pop(fbio);
2204 BIO_free(fbio);
2205 if (!foundit)
2206 BIO_printf(bio_err,
20967afb 2207 "Didn't find STARTTLS in server response,"
c7944cf1 2208 " trying anyway...\n");
7e1b7485
RS		 2209 BIO_printf(sbio, ". STARTTLS\r\n");
2210 BIO_read(sbio, sbuf, BUFSIZZ);
0f113f3e 2211 }
7e1b7485
RS		 2212 break;
2213 case PROTO_FTP:
2214 {
2215 BIO *fbio = BIO_new(BIO_f_buffer());
20967afb 2216
7e1b7485
RS		 2217 BIO_push(fbio, sbio);
2218 /* wait for multi-line response to end from FTP */
2219 do {
2220 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2221 }
2222 while (mbuf_len > 3 && mbuf[3] == '-');
2223 (void)BIO_flush(fbio);
2224 BIO_pop(fbio);
2225 BIO_free(fbio);
2226 BIO_printf(sbio, "AUTH TLS\r\n");
2227 BIO_read(sbio, sbuf, BUFSIZZ);
0f113f3e 2228 }
7e1b7485
RS		 2229 break;
2230 case PROTO_XMPP:
898ea7b8 2231 case PROTO_XMPP_SERVER:
0f113f3e 2232 {
7e1b7485
RS		 2233 int seen = 0;
2234 BIO_printf(sbio, "<stream:stream "
2235 "xmlns:stream='http://etherx.jabber.org/streams' "
898ea7b8
KE		 2236 "xmlns='jabber:%s' to='%s' version='1.0'>",
2237 starttls_proto == PROTO_XMPP ? "client" : "server",
8176431d 2238 protohost ? protohost : host);
0f113f3e 2239 seen = BIO_read(sbio, mbuf, BUFSIZZ);
20967afb
RS		 2240 if (seen < 0) {
2241 BIO_printf(bio_err, "BIO_read failed\n");
2242 goto end;
2243 }
2244 mbuf[seen] = '\0';
7e1b7485
RS		 2245 while (!strstr
2246 (mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")
2247 && !strstr(mbuf,
2248 "<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\""))
2249 {
2250 seen = BIO_read(sbio, mbuf, BUFSIZZ);
0f113f3e 2251
7e1b7485
RS		 2252 if (seen <= 0)
2253 goto shut;
0f113f3e 2254
20967afb 2255 mbuf[seen] = '\0';
7e1b7485
RS		 2256 }
2257 BIO_printf(sbio,
2258 "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
2259 seen = BIO_read(sbio, sbuf, BUFSIZZ);
20967afb
RS		 2260 if (seen < 0) {
2261 BIO_printf(bio_err, "BIO_read failed\n");
2262 goto shut;
2263 }
2264 sbuf[seen] = '\0';
7e1b7485
RS		 2265 if (!strstr(sbuf, "<proceed"))
2266 goto shut;
20967afb 2267 mbuf[0] = '\0';
0f113f3e 2268 }
7e1b7485 2269 break;
d8c25de5
RS		 2270 case PROTO_TELNET:
2271 {
2272 static const unsigned char tls_do[] = {
2273 /* IAC DO START_TLS */
2274 255, 253, 46
2275 };
2276 static const unsigned char tls_will[] = {
2277 /* IAC WILL START_TLS */
2278 255, 251, 46
2279 };
2280 static const unsigned char tls_follows[] = {
2281 /* IAC SB START_TLS FOLLOWS IAC SE */
2282 255, 250, 46, 1, 255, 240
2283 };
2284 int bytes;
2285
2286 /* Telnet server should demand we issue START_TLS */
2287 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
2288 if (bytes != 3 || memcmp(mbuf, tls_do, 3) != 0)
2289 goto shut;
2290 /* Agree to issue START_TLS and send the FOLLOWS sub-command */
2291 BIO_write(sbio, tls_will, 3);
2292 BIO_write(sbio, tls_follows, 6);
2293 (void)BIO_flush(sbio);
2294 /* Telnet server also sent the FOLLOWS sub-command */
2295 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
2296 if (bytes != 6 || memcmp(mbuf, tls_follows, 6) != 0)
2297 goto shut;
2298 }
552bf8ec
MT		 2299 break;
2300 case PROTO_CONNECT:
2301 {
ec2a0e60
RL		 2302 enum {
2303 error_proto, /* Wrong protocol, not even HTTP */
2304 error_connect, /* CONNECT failed */
2305 success
2306 } foundit = error_connect;
552bf8ec
MT		 2307 BIO *fbio = BIO_new(BIO_f_buffer());
2308
2309 BIO_push(fbio, sbio);
8230f6c7 2310 BIO_printf(fbio, "CONNECT %s HTTP/1.0\r\n\r\n", connectstr);
552bf8ec 2311 (void)BIO_flush(fbio);
ec2a0e60
RL		 2312 /*
2313 * The first line is the HTTP response. According to RFC 7230,
2314 * it's formated exactly like this:
2315 *
2316 * HTTP/d.d ddd Reason text\r\n
2317 */
2318 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
3dce1099
RS		 2319 if (mbuf_len < (int)strlen("HTTP/1.0 200")) {
2320 BIO_printf(bio_err,
2321 "%s: HTTP CONNECT failed, insufficient response "
2322 "from proxy (got %d octets)\n", prog, mbuf_len);
2323 (void)BIO_flush(fbio);
2324 BIO_pop(fbio);
2325 BIO_free(fbio);
2326 goto shut;
2327 }
ec2a0e60
RL		 2328 if (mbuf[8] != ' ') {
2329 BIO_printf(bio_err,
2330 "%s: HTTP CONNECT failed, incorrect response "
2331 "from proxy\n", prog);
2332 foundit = error_proto;
2333 } else if (mbuf[9] != '2') {
2334 BIO_printf(bio_err, "%s: HTTP CONNECT failed: %s ", prog,
2335 &mbuf[9]);
2336 } else {
2337 foundit = success;
2338 }
2339 if (foundit != error_proto) {
2340 /* Read past all following headers */
2341 do {
2342 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2343 } while (mbuf_len > 2);
2344 }
552bf8ec
MT		 2345 (void)BIO_flush(fbio);
2346 BIO_pop(fbio);
2347 BIO_free(fbio);
ec2a0e60 2348 if (foundit != success) {
552bf8ec
MT		 2349 goto shut;
2350 }
2351 }
2352 break;
cfb4f1ef
NPB		 2353 case PROTO_IRC:
2354 {
2355 int numeric;
2356 BIO *fbio = BIO_new(BIO_f_buffer());
2357
2358 BIO_push(fbio, sbio);
2359 BIO_printf(fbio, "STARTTLS\r\n");
2360 (void)BIO_flush(fbio);
2361 width = SSL_get_fd(con) + 1;
2362
2363 do {
2364 numeric = 0;
2365
2366 FD_ZERO(&readfds);
2367 openssl_fdset(SSL_get_fd(con), &readfds);
2368 timeout.tv_sec = S_CLIENT_IRC_READ_TIMEOUT;
2369 timeout.tv_usec = 0;
2370 /*
2371 * If the IRCd doesn't respond within
2372 * S_CLIENT_IRC_READ_TIMEOUT seconds, assume
2373 * it doesn't support STARTTLS. Many IRCds
2374 * will not give _any_ sort of response to a
2375 * STARTTLS command when it's not supported.
2376 */
2377 if (!BIO_get_buffer_num_lines(fbio)
2378 && !BIO_pending(fbio)
2379 && !BIO_pending(sbio)
2380 && select(width, (void *)&readfds, NULL, NULL,
2381 &timeout) < 1) {
2382 BIO_printf(bio_err,
2383 "Timeout waiting for response (%d seconds).\n",
2384 S_CLIENT_IRC_READ_TIMEOUT);
2385 break;
2386 }
2387
2388 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2389 if (mbuf_len < 1 || sscanf(mbuf, "%*s %d", &numeric) != 1)
2390 break;
2391 /* :example.net 451 STARTTLS :You have not registered */
2392 /* :example.net 421 STARTTLS :Unknown command */
2393 if ((numeric == 451 || numeric == 421)
2394 && strstr(mbuf, "STARTTLS") != NULL) {
2395 BIO_printf(bio_err, "STARTTLS not supported: %s", mbuf);
2396 break;
2397 }
2398 if (numeric == 691) {
2399 BIO_printf(bio_err, "STARTTLS negotiation failed: ");
2400 ERR_print_errors(bio_err);
2401 break;
2402 }
2403 } while (numeric != 670);
2404
2405 (void)BIO_flush(fbio);
2406 BIO_pop(fbio);
2407 BIO_free(fbio);
2408 if (numeric != 670) {
2409 BIO_printf(bio_err, "Server does not support STARTTLS.\n");
2410 ret = 1;
2411 goto shut;
2412 }
2413 }
b2e54eb8 2414 break;
a2d9cfba
KT		 2415 case PROTO_MYSQL:
2416 {
2417 /* SSL request packet */
2418 static const unsigned char ssl_req[] = {
2419 /* payload_length, sequence_id */
2420 0x20, 0x00, 0x00, 0x01,
2421 /* payload */
2422 /* capability flags, CLIENT_SSL always set */
2423 0x85, 0xae, 0x7f, 0x00,
2424 /* max-packet size */
2425 0x00, 0x00, 0x00, 0x01,
2426 /* character set */
2427 0x21,
2428 /* string[23] reserved (all [0]) */
2429 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
2430 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
2431 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
2432 };
2433 int bytes = 0;
2434 int ssl_flg = 0x800;
2435 int pos;
2436 const unsigned char *packet = (const unsigned char *)sbuf;
2437
2438 /* Receiving Initial Handshake packet. */
2439 bytes = BIO_read(sbio, (void *)packet, BUFSIZZ);
2440 if (bytes < 0) {
2441 BIO_printf(bio_err, "BIO_read failed\n");
2442 goto shut;
2443 /* Packet length[3], Packet number[1] + minimum payload[17] */
2444 } else if (bytes < 21) {
2445 BIO_printf(bio_err, "MySQL packet too short.\n");
2446 goto shut;
2447 } else if (bytes != (4 + packet[0] +
2448 (packet[1] << 8) +
2449 (packet[2] << 16))) {
2450 BIO_printf(bio_err, "MySQL packet length does not match.\n");
2451 goto shut;
2452 /* protocol version[1] */
2453 } else if (packet[4] != 0xA) {
2454 BIO_printf(bio_err,
2455 "Only MySQL protocol version 10 is supported.\n");
2456 goto shut;
2457 }
2458
2459 pos = 5;
2460 /* server version[string+NULL] */
2461 for (;;) {
2462 if (pos >= bytes) {
2463 BIO_printf(bio_err, "Cannot confirm server version. ");
2464 goto shut;
2465 } else if (packet[pos++] == '\0') {
2466 break;
2467 }
a2d9cfba
KT		 2468 }
2469
8530039a 2470 /* make sure we have at least 15 bytes left in the packet */
a2d9cfba
KT		 2471 if (pos + 15 > bytes) {
2472 BIO_printf(bio_err,
2473 "MySQL server handshake packet is broken.\n");
2474 goto shut;
2475 }
2476
2477 pos += 12; /* skip over conn id[4] + SALT[8] */
2478 if (packet[pos++] != '\0') { /* verify filler */
2479 BIO_printf(bio_err,
2480 "MySQL packet is broken.\n");
2481 goto shut;
2482 }
2483
2484 /* capability flags[2] */
2485 if (!((packet[pos] + (packet[pos + 1] << 8)) & ssl_flg)) {
2486 BIO_printf(bio_err, "MySQL server does not support SSL.\n");
2487 goto shut;
2488 }
2489
2490 /* Sending SSL Handshake packet. */
2491 BIO_write(sbio, ssl_req, sizeof(ssl_req));
2492 (void)BIO_flush(sbio);
2493 }
2494 break;
b2e54eb8
VV		 2495 case PROTO_POSTGRES:
2496 {
2497 static const unsigned char ssl_request[] = {
2498 /* Length SSLRequest */
2499 0, 0, 0, 8, 4, 210, 22, 47
2500 };
2501 int bytes;
2502
2503 /* Send SSLRequest packet */
2504 BIO_write(sbio, ssl_request, 8);
2505 (void)BIO_flush(sbio);
2506
2507 /* Reply will be a single S if SSL is enabled */
2508 bytes = BIO_read(sbio, sbuf, BUFSIZZ);
2509 if (bytes != 1 || sbuf[0] != 'S')
2510 goto shut;
2511 }
2512 break;
8f85aa6b
RS		 2513 case PROTO_NNTP:
2514 {
2515 int foundit = 0;
2516 BIO *fbio = BIO_new(BIO_f_buffer());
2517
2518 BIO_push(fbio, sbio);
2519 BIO_gets(fbio, mbuf, BUFSIZZ);
2520 /* STARTTLS command requires CAPABILITIES... */
2521 BIO_printf(fbio, "CAPABILITIES\r\n");
2522 (void)BIO_flush(fbio);
2523 /* wait for multi-line CAPABILITIES response */
2524 do {
2525 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2526 if (strstr(mbuf, "STARTTLS"))
2527 foundit = 1;
2528 } while (mbuf_len > 1 && mbuf[0] != '.');
2529 (void)BIO_flush(fbio);
2530 BIO_pop(fbio);
2531 BIO_free(fbio);
2532 if (!foundit)
2533 BIO_printf(bio_err,
2534 "Didn't find STARTTLS in server response,"
2535 " trying anyway...\n");
2536 BIO_printf(sbio, "STARTTLS\r\n");
af7e05c7
RS		 2537 mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ);
2538 if (mbuf_len < 0) {
2539 BIO_printf(bio_err, "BIO_read failed\n");
2540 goto end;
2541 }
2542 mbuf[mbuf_len] = '\0';
2543 if (strstr(mbuf, "382") == NULL) {
2544 BIO_printf(bio_err, "STARTTLS failed: %s", mbuf);
2545 goto shut;
2546 }
8f85aa6b
RS		 2547 }
2548 break;
20967afb
RS		 2549 case PROTO_SIEVE:
2550 {
2551 int foundit = 0;
2552 BIO *fbio = BIO_new(BIO_f_buffer());
2553
2554 BIO_push(fbio, sbio);
2555 /* wait for multi-line response to end from Sieve */
2556 do {
2557 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2558 /*
2559 * According to RFC 5804 § 1.7, capability
2560 * is case-insensitive, make it uppercase
2561 */
2562 if (mbuf_len > 1 && mbuf[0] == '"') {
2563 make_uppercase(mbuf);
2564 if (strncmp(mbuf, "\"STARTTLS\"", 10) == 0)
2565 foundit = 1;
2566 }
2567 } while (mbuf_len > 1 && mbuf[0] == '"');
2568 (void)BIO_flush(fbio);
2569 BIO_pop(fbio);
2570 BIO_free(fbio);
2571 if (!foundit)
2572 BIO_printf(bio_err,
2573 "Didn't find STARTTLS in server response,"
2574 " trying anyway...\n");
2575 BIO_printf(sbio, "STARTTLS\r\n");
2576 mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ);
2577 if (mbuf_len < 0) {
2578 BIO_printf(bio_err, "BIO_read failed\n");
2579 goto end;
af7e05c7
RS		 2580 }
2581 mbuf[mbuf_len] = '\0';
2582 if (mbuf_len < 2) {
2583 BIO_printf(bio_err, "STARTTLS failed: %s", mbuf);
20967afb
RS		 2584 goto shut;
2585 }
2586 /*
2587 * According to RFC 5804 § 2.2, response codes are case-
2588 * insensitive, make it uppercase but preserve the response.
2589 */
20967afb
RS		 2590 strncpy(sbuf, mbuf, 2);
2591 make_uppercase(sbuf);
2592 if (strncmp(sbuf, "OK", 2) != 0) {
2593 BIO_printf(bio_err, "STARTTLS not supported: %s", mbuf);
2594 goto shut;
2595 }
2596 }
2597 break;
398b0bbd
RS		 2598 case PROTO_LDAP:
2599 {
2600 /* StartTLS Operation according to RFC 4511 */
2601 static char ldap_tls_genconf[] = "asn1=SEQUENCE:LDAPMessage\n"
2602 "[LDAPMessage]\n"
2603 "messageID=INTEGER:1\n"
2604 "extendedReq=EXPLICIT:23A,IMPLICIT:0C,"
2605 "FORMAT:ASCII,OCT:1.3.6.1.4.1.1466.20037\n";
2606 long errline = -1;
2607 char *genstr = NULL;
2608 int result = -1;
2609 ASN1_TYPE *atyp = NULL;
2610 BIO *ldapbio = BIO_new(BIO_s_mem());
2611 CONF *cnf = NCONF_new(NULL);
2612
2613 if (cnf == NULL) {
2614 BIO_free(ldapbio);
2615 goto end;
2616 }
2617 BIO_puts(ldapbio, ldap_tls_genconf);
2618 if (NCONF_load_bio(cnf, ldapbio, &errline) <= 0) {
2619 BIO_free(ldapbio);
2620 NCONF_free(cnf);
2621 if (errline <= 0) {
2622 BIO_printf(bio_err, "NCONF_load_bio failed\n");
2623 goto end;
2624 } else {
2625 BIO_printf(bio_err, "Error on line %ld\n", errline);
2626 goto end;
2627 }
2628 }
2629 BIO_free(ldapbio);
2630 genstr = NCONF_get_string(cnf, "default", "asn1");
2631 if (genstr == NULL) {
2632 NCONF_free(cnf);
2633 BIO_printf(bio_err, "NCONF_get_string failed\n");
2634 goto end;
2635 }
2636 atyp = ASN1_generate_nconf(genstr, cnf);
2637 if (atyp == NULL) {
2638 NCONF_free(cnf);
2639 BIO_printf(bio_err, "ASN1_generate_nconf failed\n");
2640 goto end;
2641 }
2642 NCONF_free(cnf);
2643
2644 /* Send SSLRequest packet */
2645 BIO_write(sbio, atyp->value.sequence->data,
2646 atyp->value.sequence->length);
2647 (void)BIO_flush(sbio);
2648 ASN1_TYPE_free(atyp);
2649
2650 mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ);
2651 if (mbuf_len < 0) {
2652 BIO_printf(bio_err, "BIO_read failed\n");
2653 goto end;
2654 }
2655 result = ldap_ExtendedResponse_parse(mbuf, mbuf_len);
2656 if (result < 0) {
2657 BIO_printf(bio_err, "ldap_ExtendedResponse_parse failed\n");
2658 goto shut;
2659 } else if (result > 0) {
2660 BIO_printf(bio_err, "STARTTLS failed, LDAP Result Code: %i\n",
2661 result);
2662 goto shut;
2663 }
2664 mbuf_len = 0;
2665 }
2666 break;
0f113f3e
MC		 2667 }
2668
0a5ece5b 2669 if (early_data_file != NULL
add8d0e9
MC		 2670 && ((SSL_get0_session(con) != NULL
2671 && SSL_SESSION_get_max_early_data(SSL_get0_session(con)) > 0)
2672 || (psksess != NULL
2673 && SSL_SESSION_get_max_early_data(psksess) > 0))) {
923ac827
MC		 2674 BIO *edfile = BIO_new_file(early_data_file, "r");
2675 size_t readbytes, writtenbytes;
2676 int finish = 0;
2677
2678 if (edfile == NULL) {
2679 BIO_printf(bio_err, "Cannot open early data file\n");
2680 goto shut;
2681 }
2682
2683 while (!finish) {
2684 if (!BIO_read_ex(edfile, cbuf, BUFSIZZ, &readbytes))
2685 finish = 1;
2686
0665b4ed 2687 while (!SSL_write_early_data(con, cbuf, readbytes, &writtenbytes)) {
923ac827
MC		 2688 switch (SSL_get_error(con, 0)) {
2689 case SSL_ERROR_WANT_WRITE:
2690 case SSL_ERROR_WANT_ASYNC:
2691 case SSL_ERROR_WANT_READ:
2692 /* Just keep trying - busy waiting */
2693 continue;
2694 default:
2695 BIO_printf(bio_err, "Error writing early data\n");
2696 BIO_free(edfile);
dd5b98c5 2697 ERR_print_errors(bio_err);
923ac827
MC		 2698 goto shut;
2699 }
2700 }
2701 }
2702
2703 BIO_free(edfile);
2704 }
2705
0f113f3e
MC		 2706 for (;;) {
2707 FD_ZERO(&readfds);
2708 FD_ZERO(&writefds);
2709
6f6da2fe 2710 if (SSL_is_dtls(con) && DTLSv1_get_timeout(con, &timeout))
0f113f3e
MC		 2711 timeoutp = &timeout;
2712 else
2713 timeoutp = NULL;
2714
12557a34 2715 if (!SSL_is_init_finished(con) && SSL_total_renegotiations(con) == 0
b07b2a1b 2716 && SSL_get_key_update_type(con) == SSL_KEY_UPDATE_NONE) {
0f113f3e
MC		 2717 in_init = 1;
2718 tty_on = 0;
2719 } else {
2720 tty_on = 1;
2721 if (in_init) {
2722 in_init = 0;
e481f9b9 2723
0f113f3e
MC		 2724 if (c_brief) {
2725 BIO_puts(bio_err, "CONNECTION ESTABLISHED\n");
ecf3a1fb 2726 print_ssl_summary(con);
0f113f3e
MC		 2727 }
2728
0d4d5ab8 2729 print_stuff(bio_c_out, con, full_log);
0f113f3e
MC		 2730 if (full_log > 0)
2731 full_log--;
2732
2733 if (starttls_proto) {
7e1b7485 2734 BIO_write(bio_err, mbuf, mbuf_len);
0f113f3e 2735 /* We don't need to know any more */
7e1b7485
RS		 2736 if (!reconnect)
2737 starttls_proto = PROTO_OFF;
0f113f3e
MC		 2738 }
2739
2740 if (reconnect) {
2741 reconnect--;
2742 BIO_printf(bio_c_out,
2743 "drop connection and then reconnect\n");
ec447924 2744 do_ssl_shutdown(con);
0f113f3e 2745 SSL_set_connect_state(con);
8731a4fc 2746 BIO_closesocket(SSL_get_fd(con));
0f113f3e
MC		 2747 goto re_start;
2748 }
2749 }
2750 }
2751
fd068d50 2752 ssl_pending = read_ssl && SSL_has_pending(con);
0f113f3e
MC		 2753
2754 if (!ssl_pending) {
1fbab1dc 2755#if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
0f113f3e 2756 if (tty_on) {
a3ef2c16
JD		 2757 /*
2758 * Note that select() returns when read _would not block_,
2759 * and EOF satisfies that. To avoid a CPU-hogging loop,
2760 * set the flag so we exit.
2761 */
2762 if (read_tty && !at_eof)
51e5133d
RL		 2763 openssl_fdset(fileno_stdin(), &readfds);
2764#if !defined(OPENSSL_SYS_VMS)
0f113f3e 2765 if (write_tty)
51e5133d 2766 openssl_fdset(fileno_stdout(), &writefds);
0d3b6583 2767#endif
0f113f3e
MC		 2768 }
2769 if (read_ssl)
2770 openssl_fdset(SSL_get_fd(con), &readfds);
2771 if (write_ssl)
2772 openssl_fdset(SSL_get_fd(con), &writefds);
06f4536a 2773#else
0f113f3e
MC		 2774 if (!tty_on || !write_tty) {
2775 if (read_ssl)
2776 openssl_fdset(SSL_get_fd(con), &readfds);
2777 if (write_ssl)
2778 openssl_fdset(SSL_get_fd(con), &writefds);
2779 }
2780#endif
0f113f3e
MC		 2781
2782 /*
2783 * Note: under VMS with SOCKETSHR the second parameter is
2784 * currently of type (int *) whereas under other systems it is
2785 * (void *) if you don't have a cast it will choke the compiler:
2786 * if you do have a cast then you can either go for (int *) or
2787 * (void *).
2788 */
3d7c4a5a 2789#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
0f113f3e
MC		 2790 /*
2791 * Under Windows/DOS we make the assumption that we can always
2792 * write to the tty: therefore if we need to write to the tty we
2793 * just fall through. Otherwise we timeout the select every
2794 * second and see if there are any keypresses. Note: this is a
2795 * hack, in a proper Windows application we wouldn't do this.
2796 */
2797 i = 0;
2798 if (!write_tty) {
2799 if (read_tty) {
2800 tv.tv_sec = 1;
2801 tv.tv_usec = 0;
2802 i = select(width, (void *)&readfds, (void *)&writefds,
2803 NULL, &tv);
75dd6c1a 2804 if (!i && (!has_stdin_waiting() || !read_tty))
0f113f3e 2805 continue;
0f113f3e
MC		 2806 } else
2807 i = select(width, (void *)&readfds, (void *)&writefds,
2808 NULL, timeoutp);
2809 }
06f4536a 2810#else
0f113f3e
MC		 2811 i = select(width, (void *)&readfds, (void *)&writefds,
2812 NULL, timeoutp);
2813#endif
2814 if (i < 0) {
2815 BIO_printf(bio_err, "bad select %d\n",
2816 get_last_socket_error());
2817 goto shut;
0f113f3e
MC		 2818 }
2819 }
2820
6f6da2fe 2821 if (SSL_is_dtls(con) && DTLSv1_handle_timeout(con) > 0)
0f113f3e 2822 BIO_printf(bio_err, "TIMEOUT occurred\n");
0f113f3e
MC		 2823
2824 if (!ssl_pending && FD_ISSET(SSL_get_fd(con), &writefds)) {
2825 k = SSL_write(con, &(cbuf[cbuf_off]), (unsigned int)cbuf_len);
2826 switch (SSL_get_error(con, k)) {
2827 case SSL_ERROR_NONE:
2828 cbuf_off += k;
2829 cbuf_len -= k;
2830 if (k <= 0)
2831 goto end;
2832 /* we have done a write(con,NULL,0); */
2833 if (cbuf_len <= 0) {
2834 read_tty = 1;
2835 write_ssl = 0;
2836 } else { /* if (cbuf_len > 0) */
2837
2838 read_tty = 0;
2839 write_ssl = 1;
2840 }
2841 break;
2842 case SSL_ERROR_WANT_WRITE:
2843 BIO_printf(bio_c_out, "write W BLOCK\n");
2844 write_ssl = 1;
2845 read_tty = 0;
2846 break;
7e25dd6d
MC		 2847 case SSL_ERROR_WANT_ASYNC:
2848 BIO_printf(bio_c_out, "write A BLOCK\n");
e1b9840e 2849 wait_for_async(con);
7e25dd6d
MC		 2850 write_ssl = 1;
2851 read_tty = 0;
2852 break;
0f113f3e
MC		 2853 case SSL_ERROR_WANT_READ:
2854 BIO_printf(bio_c_out, "write R BLOCK\n");
2855 write_tty = 0;
2856 read_ssl = 1;
2857 write_ssl = 0;
2858 break;
2859 case SSL_ERROR_WANT_X509_LOOKUP:
2860 BIO_printf(bio_c_out, "write X BLOCK\n");
2861 break;
2862 case SSL_ERROR_ZERO_RETURN:
2863 if (cbuf_len != 0) {
2864 BIO_printf(bio_c_out, "shutdown\n");
2865 ret = 0;
2866 goto shut;
2867 } else {
2868 read_tty = 1;
2869 write_ssl = 0;
2870 break;
2871 }
2872
2873 case SSL_ERROR_SYSCALL:
2874 if ((k != 0) || (cbuf_len != 0)) {
2875 BIO_printf(bio_err, "write:errno=%d\n",
2876 get_last_socket_error());
2877 goto shut;
2878 } else {
2879 read_tty = 1;
2880 write_ssl = 0;
2881 }
2882 break;
fc7f190c
MC		 2883 case SSL_ERROR_WANT_ASYNC_JOB:
2884 /* This shouldn't ever happen in s_client - treat as an error */
0f113f3e
MC		 2885 case SSL_ERROR_SSL:
2886 ERR_print_errors(bio_err);
2887 goto shut;
2888 }
2889 }
c7bdb6a3 2890#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_VMS)
0f113f3e
MC		 2891 /* Assume Windows/DOS/BeOS can always write */
2892 else if (!ssl_pending && write_tty)
06f4536a 2893#else
51e5133d 2894 else if (!ssl_pending && FD_ISSET(fileno_stdout(), &writefds))
06f4536a 2895#endif
0f113f3e 2896 {
a53955d8 2897#ifdef CHARSET_EBCDIC
0f113f3e
MC		 2898 ascii2ebcdic(&(sbuf[sbuf_off]), &(sbuf[sbuf_off]), sbuf_len);
2899#endif
2900 i = raw_write_stdout(&(sbuf[sbuf_off]), sbuf_len);
2901
2902 if (i <= 0) {
2903 BIO_printf(bio_c_out, "DONE\n");
2904 ret = 0;
2905 goto shut;
0f113f3e
MC		 2906 }
2907
0fe2a0af 2908 sbuf_len -= i;
0f113f3e
MC		 2909 sbuf_off += i;
2910 if (sbuf_len <= 0) {
2911 read_ssl = 1;
2912 write_tty = 0;
2913 }
2914 } else if (ssl_pending || FD_ISSET(SSL_get_fd(con), &readfds)) {
58964a49 2915#ifdef RENEG
0f113f3e
MC		 2916 {
2917 static int iiii;
2918 if (++iiii == 52) {
2919 SSL_renegotiate(con);
2920 iiii = 0;
2921 }
2922 }
58964a49 2923#endif
0f113f3e 2924 k = SSL_read(con, sbuf, 1024 /* BUFSIZZ */ );
0f113f3e
MC		 2925
2926 switch (SSL_get_error(con, k)) {
2927 case SSL_ERROR_NONE:
2928 if (k <= 0)
2929 goto end;
2930 sbuf_off = 0;
2931 sbuf_len = k;
2932
2933 read_ssl = 0;
2934 write_tty = 1;
2935 break;
7e25dd6d
MC		 2936 case SSL_ERROR_WANT_ASYNC:
2937 BIO_printf(bio_c_out, "read A BLOCK\n");
e1b9840e 2938 wait_for_async(con);
7e25dd6d
MC		 2939 write_tty = 0;
2940 read_ssl = 1;
2941 if ((read_tty == 0) && (write_ssl == 0))
2942 write_ssl = 1;
2943 break;
0f113f3e
MC		 2944 case SSL_ERROR_WANT_WRITE:
2945 BIO_printf(bio_c_out, "read W BLOCK\n");
2946 write_ssl = 1;
2947 read_tty = 0;
2948 break;
2949 case SSL_ERROR_WANT_READ:
2950 BIO_printf(bio_c_out, "read R BLOCK\n");
2951 write_tty = 0;
2952 read_ssl = 1;
2953 if ((read_tty == 0) && (write_ssl == 0))
2954 write_ssl = 1;
2955 break;
2956 case SSL_ERROR_WANT_X509_LOOKUP:
2957 BIO_printf(bio_c_out, "read X BLOCK\n");
2958 break;
2959 case SSL_ERROR_SYSCALL:
2960 ret = get_last_socket_error();
2961 if (c_brief)
2962 BIO_puts(bio_err, "CONNECTION CLOSED BY SERVER\n");
2963 else
2964 BIO_printf(bio_err, "read:errno=%d\n", ret);
2965 goto shut;
2966 case SSL_ERROR_ZERO_RETURN:
2967 BIO_printf(bio_c_out, "closed\n");
2968 ret = 0;
2969 goto shut;
fc7f190c
MC		 2970 case SSL_ERROR_WANT_ASYNC_JOB:
2971 /* This shouldn't ever happen in s_client. Treat as an error */
0f113f3e
MC		 2972 case SSL_ERROR_SSL:
2973 ERR_print_errors(bio_err);
2974 goto shut;
0f113f3e
MC		 2975 }
2976 }
75dd6c1a
MC		 2977/* OPENSSL_SYS_MSDOS includes OPENSSL_SYS_WINDOWS */
2978#if defined(OPENSSL_SYS_MSDOS)
2979 else if (has_stdin_waiting())
06f4536a 2980#else
51e5133d 2981 else if (FD_ISSET(fileno_stdin(), &readfds))
0f113f3e
MC		 2982#endif
2983 {
2984 if (crlf) {
2985 int j, lf_num;
2986
2987 i = raw_read_stdin(cbuf, BUFSIZZ / 2);
2988 lf_num = 0;
2989 /* both loops are skipped when i <= 0 */
2990 for (j = 0; j < i; j++)
2991 if (cbuf[j] == '\n')
2992 lf_num++;
2993 for (j = i - 1; j >= 0; j--) {
2994 cbuf[j + lf_num] = cbuf[j];
2995 if (cbuf[j] == '\n') {
2996 lf_num--;
2997 i++;
2998 cbuf[j + lf_num] = '\r';
2999 }
3000 }
3001 assert(lf_num == 0);
51e5133d 3002 } else
c7bdb6a3 3003 i = raw_read_stdin(cbuf, BUFSIZZ);
d485640b 3004#if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
a3ef2c16
JD		 3005 if (i == 0)
3006 at_eof = 1;
d485640b 3007#endif
a3ef2c16 3008
6ba8a5b7 3009 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q' && cmdletters))) {
0f113f3e
MC		 3010 BIO_printf(bio_err, "DONE\n");
3011 ret = 0;
3012 goto shut;
3013 }
3014
6ba8a5b7 3015 if ((!c_ign_eof) && (cbuf[0] == 'R' && cmdletters)) {
0f113f3e
MC		 3016 BIO_printf(bio_err, "RENEGOTIATING\n");
3017 SSL_renegotiate(con);
3018 cbuf_len = 0;
3019 }
b07b2a1b 3020
f14afcaa
MC		 3021 if (!c_ign_eof && (cbuf[0] == 'K' || cbuf[0] == 'k' )
3022 && cmdletters) {
b07b2a1b
MC		 3023 BIO_printf(bio_err, "KEYUPDATE\n");
3024 SSL_key_update(con,
3025 cbuf[0] == 'K' ? SSL_KEY_UPDATE_REQUESTED
3026 : SSL_KEY_UPDATE_NOT_REQUESTED);
3027 cbuf_len = 0;
3028 }
b612799a
RL		 3029#ifndef OPENSSL_NO_HEARTBEATS
3030 else if ((!c_ign_eof) && (cbuf[0] == 'B' && cmdletters)) {
3031 BIO_printf(bio_err, "HEARTBEATING\n");
3032 SSL_heartbeat(con);
3033 cbuf_len = 0;
3034 }
3035#endif
0f113f3e
MC		 3036 else {
3037 cbuf_len = i;
3038 cbuf_off = 0;
a53955d8 3039#ifdef CHARSET_EBCDIC
0f113f3e
MC		 3040 ebcdic2ascii(cbuf, cbuf, i);
3041#endif
3042 }
3043
3044 write_ssl = 1;
3045 read_tty = 0;
3046 }
3047 }
3048
3049 ret = 0;
3050 shut:
3051 if (in_init)
0d4d5ab8 3052 print_stuff(bio_c_out, con, full_log);
ec447924 3053 do_ssl_shutdown(con);
27da42d8 3054
26ec943e
BE		 3055 /*
3056 * If we ended with an alert being sent, but still with data in the
3057 * network buffer to be read, then calling BIO_closesocket() will
3058 * result in a TCP-RST being sent. On some platforms (notably
3059 * Windows) then this will result in the peer immediately abandoning
3060 * the connection including any buffered alert data before it has
3061 * had a chance to be read. Shutting down the sending side first,
3062 * and then closing the socket sends TCP-FIN first followed by
3063 * TCP-RST. This seems to allow the peer to read the alert data.
3064 */
3065 shutdown(SSL_get_fd(con), 1); /* SHUT_WR */
f69d050e
AP		 3066 /*
3067 * We just said we have nothing else to say, but it doesn't mean that
3068 * the other side has nothing. It's even recommended to consume incoming
3069 * data. [In testing context this ensures that alerts are passed on...]
3070 */
3071 timeout.tv_sec = 0;
3072 timeout.tv_usec = 500000; /* some extreme round-trip */
3073 do {
3074 FD_ZERO(&readfds);
3075 openssl_fdset(s, &readfds);
3076 } while (select(s + 1, &readfds, NULL, NULL, &timeout) > 0
3077 && BIO_read(sbio, sbuf, BUFSIZZ) > 0);
3078
8731a4fc 3079 BIO_closesocket(SSL_get_fd(con));
0f113f3e
MC		 3080 end:
3081 if (con != NULL) {
3082 if (prexit != 0)
0d4d5ab8 3083 print_stuff(bio_c_out, con, 1);
0f113f3e
MC		 3084 SSL_free(con);
3085 }
9561e2a1 3086 SSL_SESSION_free(psksess);
e481f9b9 3087#if !defined(OPENSSL_NO_NEXTPROTONEG)
b548a1f1 3088 OPENSSL_free(next_proto.data);
0f113f3e 3089#endif
62adbcee 3090 SSL_CTX_free(ctx);
4bf73e9f 3091 set_keylog_file(NULL, NULL);
222561fe 3092 X509_free(cert);
4b45c6e5 3093 sk_X509_CRL_pop_free(crls, X509_CRL_free);
c5ba2d99 3094 EVP_PKEY_free(key);
222561fe 3095 sk_X509_pop_free(chain, X509_free);
b548a1f1 3096 OPENSSL_free(pass);
d40a1f72
DSH		 3097#ifndef OPENSSL_NO_SRP
3098 OPENSSL_free(srp_arg.srppassin);
3099#endif
eb67172a 3100 OPENSSL_free(connectstr);
ebc01683 3101 OPENSSL_free(bindstr);
ab69ac00
RL		 3102 OPENSSL_free(host);
3103 OPENSSL_free(port);
222561fe 3104 X509_VERIFY_PARAM_free(vpm);
0f113f3e 3105 ssl_excert_free(exc);
7e1b7485 3106 sk_OPENSSL_STRING_free(ssl_args);
cddd424a 3107 sk_OPENSSL_STRING_free(dane_tlsa_rrset);
62adbcee 3108 SSL_CONF_CTX_free(cctx);
4b45c6e5
RS		 3109 OPENSSL_clear_free(cbuf, BUFSIZZ);
3110 OPENSSL_clear_free(sbuf, BUFSIZZ);
3111 OPENSSL_clear_free(mbuf, BUFSIZZ);
dd1abd44 3112 release_engine(e);
ca3a82c3
RS		 3113 BIO_free(bio_c_out);
3114 bio_c_out = NULL;
3115 BIO_free(bio_c_msg);
3116 bio_c_msg = NULL;
26a7d938 3117 return ret;
0f113f3e 3118}
d02b48c6 3119
0d4d5ab8 3120static void print_stuff(BIO *bio, SSL *s, int full)
0f113f3e
MC		 3121{
3122 X509 *peer = NULL;
0f113f3e 3123 STACK_OF(X509) *sk;
0f113f3e 3124 const SSL_CIPHER *c;
0f113f3e 3125 int i;
09b6c2ef 3126#ifndef OPENSSL_NO_COMP
0f113f3e
MC		 3127 const COMP_METHOD *comp, *expansion;
3128#endif
3129 unsigned char *exportedkeymat;
dd696a55 3130#ifndef OPENSSL_NO_CT
0d4d5ab8 3131 const SSL_CTX *ctx = SSL_get_SSL_CTX(s);
b5369582 3132#endif
0f113f3e
MC		 3133
3134 if (full) {
3135 int got_a_chain = 0;
3136
3137 sk = SSL_get_peer_cert_chain(s);
3138 if (sk != NULL) {
7e1b7485 3139 got_a_chain = 1;
0f113f3e
MC		 3140
3141 BIO_printf(bio, "---\nCertificate chain\n");
3142 for (i = 0; i < sk_X509_num(sk); i++) {
b5c4209b
DB		 3143 BIO_printf(bio, "%2d s:", i);
3144 X509_NAME_print_ex(bio, X509_get_subject_name(sk_X509_value(sk, i)), 0, get_nameopt());
3145 BIO_puts(bio, "\n");
3146 BIO_printf(bio, " i:");
3147 X509_NAME_print_ex(bio, X509_get_issuer_name(sk_X509_value(sk, i)), 0, get_nameopt());
3148 BIO_puts(bio, "\n");
0f113f3e
MC		 3149 if (c_showcerts)
3150 PEM_write_bio_X509(bio, sk_X509_value(sk, i));
3151 }
3152 }
3153
3154 BIO_printf(bio, "---\n");
3155 peer = SSL_get_peer_certificate(s);
3156 if (peer != NULL) {
3157 BIO_printf(bio, "Server certificate\n");
3158
3159 /* Redundant if we showed the whole chain */
3160 if (!(c_showcerts && got_a_chain))
3161 PEM_write_bio_X509(bio, peer);
b5c4209b 3162 dump_cert_text(bio, peer);
0f113f3e 3163 } else {
5969a2dd 3164 BIO_printf(bio, "no peer certificate available\n");
0f113f3e 3165 }
5969a2dd 3166 print_ca_names(bio, s);
0f113f3e
MC		 3167
3168 ssl_print_sigalgs(bio, s);
3169 ssl_print_tmp_key(bio, s);
3170
dd696a55 3171#ifndef OPENSSL_NO_CT
43341433
VD		 3172 /*
3173 * When the SSL session is anonymous, or resumed via an abbreviated
3174 * handshake, no SCTs are provided as part of the handshake. While in
3175 * a resumed session SCTs may be present in the session's certificate,
3176 * no callbacks are invoked to revalidate these, and in any case that
3177 * set of SCTs may be incomplete. Thus it makes little sense to
3178 * attempt to display SCTs from a resumed session's certificate, and of
3179 * course none are associated with an anonymous peer.
3180 */
3181 if (peer != NULL && !SSL_session_reused(s) && SSL_ct_is_enabled(s)) {
3182 const STACK_OF(SCT) *scts = SSL_get0_peer_scts(s);
3183 int sct_count = scts != NULL ? sk_SCT_num(scts) : 0;
3184
3185 BIO_printf(bio, "---\nSCTs present (%i)\n", sct_count);
3186 if (sct_count > 0) {
3187 const CTLOG_STORE *log_store = SSL_CTX_get0_ctlog_store(ctx);
3188
3189 BIO_printf(bio, "---\n");
3190 for (i = 0; i < sct_count; ++i) {
3191 SCT *sct = sk_SCT_value(scts, i);
3192
3193 BIO_printf(bio, "SCT validation status: %s\n",
3194 SCT_validation_status_string(sct));
3195 SCT_print(sct, bio, 0, log_store);
3196 if (i < sct_count - 1)
3197 BIO_printf(bio, "\n---\n");
3198 }
3199 BIO_printf(bio, "\n");
3200 }
6bea2a72 3201 }
dd696a55
RP		 3202#endif
3203
0f113f3e 3204 BIO_printf(bio,
7d672984
AP		 3205 "---\nSSL handshake has read %ju bytes "
3206 "and written %ju bytes\n",
12997aa9
RS		 3207 BIO_number_read(SSL_get_rbio(s)),
3208 BIO_number_written(SSL_get_wbio(s)));
0f113f3e 3209 }
c0a445a9 3210 print_verify_detail(s, bio);
b577fd0b 3211 BIO_printf(bio, (SSL_session_reused(s) ? "---\nReused, " : "---\nNew, "));
0f113f3e
MC		 3212 c = SSL_get_current_cipher(s);
3213 BIO_printf(bio, "%s, Cipher is %s\n",
3214 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
3215 if (peer != NULL) {
3216 EVP_PKEY *pktmp;
bde136c8 3217
c01ff880 3218 pktmp = X509_get0_pubkey(peer);
0f113f3e
MC		 3219 BIO_printf(bio, "Server public key is %d bit\n",
3220 EVP_PKEY_bits(pktmp));
0f113f3e
MC		 3221 }
3222 BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
3223 SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
09b6c2ef 3224#ifndef OPENSSL_NO_COMP
0f113f3e
MC		 3225 comp = SSL_get_current_compression(s);
3226 expansion = SSL_get_current_expansion(s);
3227 BIO_printf(bio, "Compression: %s\n",
3228 comp ? SSL_COMP_get_name(comp) : "NONE");
3229 BIO_printf(bio, "Expansion: %s\n",
3230 expansion ? SSL_COMP_get_name(expansion) : "NONE");
3231#endif
3232
57559471 3233#ifdef SSL_DEBUG
0f113f3e
MC		 3234 {
3235 /* Print out local port of connection: useful for debugging */
3236 int sock;
642a166c
RL		 3237 union BIO_sock_info_u info;
3238
0f113f3e 3239 sock = SSL_get_fd(s);
642a166c
RL		 3240 if ((info.addr = BIO_ADDR_new()) != NULL
3241 && BIO_sock_info(sock, BIO_SOCK_INFO_ADDRESS, &info)) {
3242 BIO_printf(bio_c_out, "LOCAL PORT is %u\n",
1abd2925 3243 ntohs(BIO_ADDR_rawport(info.addr)));
642a166c
RL		 3244 }
3245 BIO_ADDR_free(info.addr);
0f113f3e 3246 }
a2f9200f
DSH		 3247#endif
3248
e481f9b9 3249#if !defined(OPENSSL_NO_NEXTPROTONEG)
0f113f3e
MC		 3250 if (next_proto.status != -1) {
3251 const unsigned char *proto;
3252 unsigned int proto_len;
3253 SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
3254 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
3255 BIO_write(bio, proto, proto_len);
3256 BIO_write(bio, "\n", 1);
3257 }
e481f9b9 3258#endif
0f113f3e
MC		 3259 {
3260 const unsigned char *proto;
3261 unsigned int proto_len;
3262 SSL_get0_alpn_selected(s, &proto, &proto_len);
3263 if (proto_len > 0) {
3264 BIO_printf(bio, "ALPN protocol: ");
3265 BIO_write(bio, proto, proto_len);
3266 BIO_write(bio, "\n", 1);
3267 } else
3268 BIO_printf(bio, "No ALPN negotiated\n");
3269 }
71fa4513 3270
e783bae2 3271#ifndef OPENSSL_NO_SRTP
0f113f3e
MC		 3272 {
3273 SRTP_PROTECTION_PROFILE *srtp_profile =
3274 SSL_get_selected_srtp_profile(s);
3275
3276 if (srtp_profile)
3277 BIO_printf(bio, "SRTP Extension negotiated, profile=%s\n",
3278 srtp_profile->name);
3279 }
3280#endif
3281
576eb395
MC		 3282 if (SSL_version(s) == TLS1_3_VERSION) {
3283 switch (SSL_get_early_data_status(s)) {
3284 case SSL_EARLY_DATA_NOT_SENT:
3285 BIO_printf(bio, "Early data was not sent\n");
3286 break;
3287
3288 case SSL_EARLY_DATA_REJECTED:
3289 BIO_printf(bio, "Early data was rejected\n");
3290 break;
3291
3292 case SSL_EARLY_DATA_ACCEPTED:
3293 BIO_printf(bio, "Early data was accepted\n");
3294 break;
3295
3296 }
3297 }
3298
0f113f3e 3299 SSL_SESSION_print(bio, SSL_get_session(s));
d6073e27 3300 if (SSL_get_session(s) != NULL && keymatexportlabel != NULL) {
0f113f3e
MC		 3301 BIO_printf(bio, "Keying material exporter:\n");
3302 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel);
3303 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen);
68dc6824
RS		 3304 exportedkeymat = app_malloc(keymatexportlen, "export key");
3305 if (!SSL_export_keying_material(s, exportedkeymat,
3306 keymatexportlen,
3307 keymatexportlabel,
3308 strlen(keymatexportlabel),
3309 NULL, 0, 0)) {
3310 BIO_printf(bio, " Error\n");
3311 } else {
3312 BIO_printf(bio, " Keying material: ");
3313 for (i = 0; i < keymatexportlen; i++)
3314 BIO_printf(bio, "%02X", exportedkeymat[i]);
3315 BIO_printf(bio, "\n");
0f113f3e 3316 }
68dc6824 3317 OPENSSL_free(exportedkeymat);
0f113f3e
MC		 3318 }
3319 BIO_printf(bio, "---\n");
222561fe 3320 X509_free(peer);
0f113f3e
MC		 3321 /* flush, or debugging output gets mixed with http response */
3322 (void)BIO_flush(bio);
3323}
d02b48c6 3324
3e41ac35 3325# ifndef OPENSSL_NO_OCSP
67c8e7f4 3326static int ocsp_resp_cb(SSL *s, void *arg)
0f113f3e
MC		 3327{
3328 const unsigned char *p;
3329 int len;
3330 OCSP_RESPONSE *rsp;
3331 len = SSL_get_tlsext_status_ocsp_resp(s, &p);
3332 BIO_puts(arg, "OCSP response: ");
2234212c 3333 if (p == NULL) {
0f113f3e
MC		 3334 BIO_puts(arg, "no response sent\n");
3335 return 1;
3336 }
3337 rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
2234212c 3338 if (rsp == NULL) {
0f113f3e
MC		 3339 BIO_puts(arg, "response parse error\n");
3340 BIO_dump_indent(arg, (char *)p, len, 4);
3341 return 0;
3342 }
3343 BIO_puts(arg, "\n======================================\n");
3344 OCSP_RESPONSE_print(arg, rsp, 0);
3345 BIO_puts(arg, "======================================\n");
3346 OCSP_RESPONSE_free(rsp);
3347 return 1;
3348}
3e41ac35 3349# endif
f9e55034 3350
398b0bbd
RS		 3351static int ldap_ExtendedResponse_parse(const char *buf, long rem)
3352{
3353 const unsigned char *cur, *end;
3354 long len;
3355 int tag, xclass, inf, ret = -1;
3356
3357 cur = (const unsigned char *)buf;
3358 end = cur + rem;
3359
3360 /*
3361 * From RFC 4511:
3362 *
3363 * LDAPMessage ::= SEQUENCE {
3364 * messageID MessageID,
3365 * protocolOp CHOICE {
3366 * ...
3367 * extendedResp ExtendedResponse,
3368 * ... },
3369 * controls [0] Controls OPTIONAL }
3370 *
3371 * ExtendedResponse ::= [APPLICATION 24] SEQUENCE {
3372 * COMPONENTS OF LDAPResult,
3373 * responseName [10] LDAPOID OPTIONAL,
3374 * responseValue [11] OCTET STRING OPTIONAL }
3375 *
3376 * LDAPResult ::= SEQUENCE {
3377 * resultCode ENUMERATED {
3378 * success (0),
3379 * ...
3380 * other (80),
3381 * ... },
3382 * matchedDN LDAPDN,
3383 * diagnosticMessage LDAPString,
3384 * referral [3] Referral OPTIONAL }
3385 */
3386
3387 /* pull SEQUENCE */
3388 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3389 if (inf != V_ASN1_CONSTRUCTED || tag != V_ASN1_SEQUENCE ||
3390 (rem = end - cur, len > rem)) {
3391 BIO_printf(bio_err, "Unexpected LDAP response\n");
3392 goto end;
3393 }
3394
8b0d4242
AP		 3395 rem = len; /* ensure that we don't overstep the SEQUENCE */
3396
398b0bbd
RS		 3397 /* pull MessageID */
3398 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3399 if (inf != V_ASN1_UNIVERSAL || tag != V_ASN1_INTEGER ||
3400 (rem = end - cur, len > rem)) {
3401 BIO_printf(bio_err, "No MessageID\n");
3402 goto end;
3403 }
3404
3405 cur += len; /* shall we check for MessageId match or just skip? */
3406
3407 /* pull [APPLICATION 24] */
3408 rem = end - cur;
3409 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3410 if (inf != V_ASN1_CONSTRUCTED || xclass != V_ASN1_APPLICATION ||
3411 tag != 24) {
3412 BIO_printf(bio_err, "Not ExtendedResponse\n");
3413 goto end;
3414 }
3415
3416 /* pull resultCode */
3417 rem = end - cur;
3418 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3419 if (inf != V_ASN1_UNIVERSAL || tag != V_ASN1_ENUMERATED || len == 0 ||
3420 (rem = end - cur, len > rem)) {
3421 BIO_printf(bio_err, "Not LDAPResult\n");
3422 goto end;
3423 }
3424
3425 /* len should always be one, but just in case... */
3426 for (ret = 0, inf = 0; inf < len; inf++) {
3427 ret <<= 8;
3428 ret |= cur[inf];
3429 }
3430 /* There is more data, but we don't care... */
3431 end:
3432 return ret;
3433}
3434
d6073e27 3435#endif /* OPENSSL_NO_SOCK */
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