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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
df2ee0e2 370static char *srtp_profiles = NULL;
edc032b5 371
e481f9b9 372#ifndef OPENSSL_NO_NEXTPROTONEG
ee2ffc27
BL		 373/* This the context that we pass to next_proto_cb */
374typedef struct tlsextnextprotoctx_st {
0f113f3e 375 unsigned char *data;
817cd0d5 376 size_t len;
0f113f3e 377 int status;
ee2ffc27
BL		 378} tlsextnextprotoctx;
379
380static tlsextnextprotoctx next_proto;
381
0f113f3e
MC		 382static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen,
383 const unsigned char *in, unsigned int inlen,
384 void *arg)
385{
386 tlsextnextprotoctx *ctx = arg;
387
388 if (!c_quiet) {
389 /* We can assume that |in| is syntactically valid. */
390 unsigned i;
391 BIO_printf(bio_c_out, "Protocols advertised by server: ");
392 for (i = 0; i < inlen;) {
393 if (i)
394 BIO_write(bio_c_out, ", ", 2);
395 BIO_write(bio_c_out, &in[i + 1], in[i]);
396 i += in[i] + 1;
397 }
398 BIO_write(bio_c_out, "\n", 1);
399 }
400
401 ctx->status =
402 SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len);
403 return SSL_TLSEXT_ERR_OK;
404}
e481f9b9 405#endif /* ndef OPENSSL_NO_NEXTPROTONEG */
0f113f3e
MC		 406
407static int serverinfo_cli_parse_cb(SSL *s, unsigned int ext_type,
408 const unsigned char *in, size_t inlen,
409 int *al, void *arg)
85c67492 410{
0f113f3e
MC		 411 char pem_name[100];
412 unsigned char ext_buf[4 + 65536];
413
414 /* Reconstruct the type/len fields prior to extension data */
3a63c0ed
AP		 415 inlen &= 0xffff; /* for formal memcmpy correctness */
416 ext_buf[0] = (unsigned char)(ext_type >> 8);
417 ext_buf[1] = (unsigned char)(ext_type);
418 ext_buf[2] = (unsigned char)(inlen >> 8);
419 ext_buf[3] = (unsigned char)(inlen);
0f113f3e
MC		 420 memcpy(ext_buf + 4, in, inlen);
421
422 BIO_snprintf(pem_name, sizeof(pem_name), "SERVERINFO FOR EXTENSION %d",
423 ext_type);
424 PEM_write_bio(bio_c_out, pem_name, "", ext_buf, 4 + inlen);
425 return 1;
426}
427
cddd424a
VD		 428/*
429 * Hex decoder that tolerates optional whitespace. Returns number of bytes
430 * produced, advances inptr to end of input string.
431 */
432static ossl_ssize_t hexdecode(const char **inptr, void *result)
433{
434 unsigned char **out = (unsigned char **)result;
435 const char *in = *inptr;
d6073e27 436 unsigned char *ret = app_malloc(strlen(in) / 2, "hexdecode");
cddd424a
VD		 437 unsigned char *cp = ret;
438 uint8_t byte;
439 int nibble = 0;
440
441 if (ret == NULL)
442 return -1;
443
444 for (byte = 0; *in; ++in) {
49445f21 445 int x;
cddd424a 446
18295f0c 447 if (isspace(_UC(*in)))
cddd424a 448 continue;
49445f21
RS		 449 x = OPENSSL_hexchar2int(*in);
450 if (x < 0) {
cddd424a
VD		 451 OPENSSL_free(ret);
452 return 0;
453 }
49445f21 454 byte |= (char)x;
cddd424a
VD		 455 if ((nibble ^= 1) == 0) {
456 *cp++ = byte;
457 byte = 0;
458 } else {
459 byte <<= 4;
460 }
461 }
462 if (nibble != 0) {
463 OPENSSL_free(ret);
464 return 0;
465 }
466 *inptr = in;
467
468 return cp - (*out = ret);
469}
470
471/*
472 * Decode unsigned 0..255, returns 1 on success, <= 0 on failure. Advances
473 * inptr to next field skipping leading whitespace.
474 */
475static ossl_ssize_t checked_uint8(const char **inptr, void *out)
476{
477 uint8_t *result = (uint8_t *)out;
478 const char *in = *inptr;
479 char *endp;
480 long v;
481 int e;
482
483 save_errno();
484 v = strtol(in, &endp, 10);
485 e = restore_errno();
486
487 if (((v == LONG_MIN || v == LONG_MAX) && e == ERANGE) ||
18295f0c 488 endp == in || !isspace(_UC(*endp)) ||
cddd424a
VD		 489 v != (*result = (uint8_t) v)) {
490 return -1;
491 }
18295f0c 492 for (in = endp; isspace(_UC(*in)); ++in)
cddd424a
VD		 493 continue;
494
495 *inptr = in;
496 return 1;
497}
498
7ff970ef
RS		 499struct tlsa_field {
500 void *var;
501 const char *name;
502 ossl_ssize_t (*parser)(const char **, void *);
503};
504
cddd424a
VD		 505static int tlsa_import_rr(SSL *con, const char *rrdata)
506{
7ff970ef
RS		 507 /* Not necessary to re-init these values; the "parsers" do that. */
508 static uint8_t usage;
509 static uint8_t selector;
510 static uint8_t mtype;
511 static unsigned char *data;
f232d6ec 512 static struct tlsa_field tlsa_fields[] = {
cddd424a
VD		 513 { &usage, "usage", checked_uint8 },
514 { &selector, "selector", checked_uint8 },
515 { &mtype, "mtype", checked_uint8 },
516 { &data, "data", hexdecode },
517 { NULL, }
518 };
519 struct tlsa_field *f;
7ff970ef
RS		 520 int ret;
521 const char *cp = rrdata;
522 ossl_ssize_t len = 0;
cddd424a
VD		 523
524 for (f = tlsa_fields; f->var; ++f) {
525 /* Returns number of bytes produced, advances cp to next field */
526 if ((len = f->parser(&cp, f->var)) <= 0) {
527 BIO_printf(bio_err, "%s: warning: bad TLSA %s field in: %s\n",
528 prog, f->name, rrdata);
529 return 0;
530 }
531 }
532 /* The data field is last, so len is its length */
533 ret = SSL_dane_tlsa_add(con, usage, selector, mtype, data, len);
534 OPENSSL_free(data);
535
536 if (ret == 0) {
537 ERR_print_errors(bio_err);
538 BIO_printf(bio_err, "%s: warning: unusable TLSA rrdata: %s\n",
539 prog, rrdata);
540 return 0;
541 }
542 if (ret < 0) {
543 ERR_print_errors(bio_err);
544 BIO_printf(bio_err, "%s: warning: error loading TLSA rrdata: %s\n",
545 prog, rrdata);
546 return 0;
547 }
548 return ret;
549}
550
551static int tlsa_import_rrset(SSL *con, STACK_OF(OPENSSL_STRING) *rrset)
552{
553 int num = sk_OPENSSL_STRING_num(rrset);
554 int count = 0;
555 int i;
556
557 for (i = 0; i < num; ++i) {
558 char *rrdata = sk_OPENSSL_STRING_value(rrset, i);
559 if (tlsa_import_rr(con, rrdata) > 0)
560 ++count;
561 }
562 return count > 0;
563}
564
7e1b7485
RS		 565typedef enum OPTION_choice {
566 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
ebc01683 567 OPT_4, OPT_6, OPT_HOST, OPT_PORT, OPT_CONNECT, OPT_BIND, OPT_UNIX,
a7c04f2b 568 OPT_XMPPHOST, OPT_VERIFY, OPT_NAMEOPT,
7e1b7485
RS		 569 OPT_CERT, OPT_CRL, OPT_CRL_DOWNLOAD, OPT_SESS_OUT, OPT_SESS_IN,
570 OPT_CERTFORM, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET,
571 OPT_BRIEF, OPT_PREXIT, OPT_CRLF, OPT_QUIET, OPT_NBIO,
3ee1eac2 572 OPT_SSL_CLIENT_ENGINE, OPT_IGN_EOF, OPT_NO_IGN_EOF,
3a4e9367 573 OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_WDEBUG,
7e1b7485
RS		 574 OPT_MSG, OPT_MSGFILE, OPT_ENGINE, OPT_TRACE, OPT_SECURITY_DEBUG,
575 OPT_SECURITY_DEBUG_VERBOSE, OPT_SHOWCERTS, OPT_NBIO_TEST, OPT_STATE,
72257204 576 OPT_PSK_IDENTITY, OPT_PSK, OPT_PSK_SESS,
bde136c8
F		 577#ifndef OPENSSL_NO_SRP
578 OPT_SRPUSER, OPT_SRPPASS, OPT_SRP_STRENGTH, OPT_SRP_LATEUSER,
579 OPT_SRP_MOREGROUPS,
580#endif
581 OPT_SSL3, OPT_SSL_CONFIG,
582a17d6 582 OPT_TLS1_3, OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1,
8ccc2377 583 OPT_DTLS1_2, OPT_SCTP, OPT_TIMEOUT, OPT_MTU, OPT_KEYFORM, OPT_PASS,
28e5ea88 584 OPT_CERT_CHAIN, OPT_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH,
2b6bcb70 585 OPT_KEY, OPT_RECONNECT, OPT_BUILD_CHAIN, OPT_CAFILE, OPT_NOCAFILE,
7e1b7485 586 OPT_CHAINCAFILE, OPT_VERIFYCAFILE, OPT_NEXTPROTONEG, OPT_ALPN,
28e5ea88 587 OPT_SERVERINFO, OPT_STARTTLS, OPT_SERVERNAME, OPT_NOSERVERNAME, OPT_ASYNC,
8176431d 588 OPT_USE_SRTP, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN, OPT_PROTOHOST,
cf72c757
F		 589 OPT_MAXFRAGLEN, OPT_MAX_SEND_FRAG, OPT_SPLIT_SEND_FRAG, OPT_MAX_PIPELINES,
590 OPT_READ_BUF, OPT_KEYLOG_FILE, OPT_EARLY_DATA, OPT_REQCAFILE,
7e1b7485
RS		 591 OPT_V_ENUM,
592 OPT_X_ENUM,
593 OPT_S_ENUM,
cddd424a 594 OPT_FALLBACKSCSV, OPT_NOCMDS, OPT_PROXY, OPT_DANE_TLSA_DOMAIN,
dd696a55 595#ifndef OPENSSL_NO_CT
43341433 596 OPT_CT, OPT_NOCT, OPT_CTLOG_FILE,
dd696a55 597#endif
3ee1eac2 598 OPT_DANE_TLSA_RRDATA, OPT_DANE_EE_NO_NAME,
9d75dce3 599 OPT_FORCE_PHA,
3ee1eac2 600 OPT_R_ENUM
7e1b7485
RS		 601} OPTION_CHOICE;
602
44c83ebd 603const OPTIONS s_client_options[] = {
7e1b7485
RS		 604 {"help", OPT_HELP, '-', "Display this summary"},
605 {"host", OPT_HOST, 's', "Use -connect instead"},
606 {"port", OPT_PORT, 'p', "Use -connect instead"},
607 {"connect", OPT_CONNECT, 's',
ab69ac00 608 "TCP/IP where to connect (default is :" PORT ")"},
ebc01683 609 {"bind", OPT_BIND, 's', "bind local address for connection"},
552bf8ec
MT		 610 {"proxy", OPT_PROXY, 's',
611 "Connect to via specified proxy to the real server"},
ab69ac00 612#ifdef AF_UNIX
a22f9c84 613 {"unix", OPT_UNIX, 's', "Connect over the specified Unix-domain socket"},
ab69ac00
RL		 614#endif
615 {"4", OPT_4, '-', "Use IPv4 only"},
fe08bd76 616#ifdef AF_INET6
ab69ac00 617 {"6", OPT_6, '-', "Use IPv6 only"},
fe08bd76 618#endif
7e1b7485
RS		 619 {"verify", OPT_VERIFY, 'p', "Turn on peer certificate verification"},
620 {"cert", OPT_CERT, '<', "Certificate file to use, PEM format assumed"},
621 {"certform", OPT_CERTFORM, 'F',
622 "Certificate format (PEM or DER) PEM default"},
a7c04f2b 623 {"nameopt", OPT_NAMEOPT, 's', "Various certificate name options"},
a6972f34
DW		 624 {"key", OPT_KEY, 's', "Private key file to use, if not in -cert file"},
625 {"keyform", OPT_KEYFORM, 'E', "Key format (PEM, DER or engine) PEM default"},
7e1b7485
RS		 626 {"pass", OPT_PASS, 's', "Private key file pass phrase source"},
627 {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
628 {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
2b6bcb70
MC		 629 {"no-CAfile", OPT_NOCAFILE, '-',
630 "Do not load the default certificates file"},
631 {"no-CApath", OPT_NOCAPATH, '-',
632 "Do not load certificates from the default certificates directory"},
d2add501 633 {"requestCAfile", OPT_REQCAFILE, '<',
5969a2dd 634 "PEM format file of CA names to send to the server"},
cddd424a
VD		 635 {"dane_tlsa_domain", OPT_DANE_TLSA_DOMAIN, 's', "DANE TLSA base domain"},
636 {"dane_tlsa_rrdata", OPT_DANE_TLSA_RRDATA, 's',
637 "DANE TLSA rrdata presentation form"},
c4fbed6c
VD		 638 {"dane_ee_no_namechecks", OPT_DANE_EE_NO_NAME, '-',
639 "Disable name checks when matching DANE-EE(3) TLSA records"},
7e1b7485
RS		 640 {"reconnect", OPT_RECONNECT, '-',
641 "Drop and re-make the connection with the same Session-ID"},
7e1b7485
RS		 642 {"showcerts", OPT_SHOWCERTS, '-', "Show all certificates in the chain"},
643 {"debug", OPT_DEBUG, '-', "Extra output"},
644 {"msg", OPT_MSG, '-', "Show protocol messages"},
9a13bb38
RS		 645 {"msgfile", OPT_MSGFILE, '>',
646 "File to send output of -msg or -trace, instead of stdout"},
7e1b7485
RS		 647 {"nbio_test", OPT_NBIO_TEST, '-', "More ssl protocol testing"},
648 {"state", OPT_STATE, '-', "Print the ssl states"},
649 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"},
650 {"quiet", OPT_QUIET, '-', "No s_client output"},
651 {"ign_eof", OPT_IGN_EOF, '-', "Ignore input eof (default when -quiet)"},
652 {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Don't ignore input eof"},
7e1b7485 653 {"starttls", OPT_STARTTLS, 's',
cfb4f1ef 654 "Use the appropriate STARTTLS command before starting TLS"},
898ea7b8 655 {"xmpphost", OPT_XMPPHOST, 's',
8176431d 656 "Alias of -name option for \"-starttls xmpp[-server]\""},
3ee1eac2 657 OPT_R_OPTIONS,
7e1b7485
RS		 658 {"sess_out", OPT_SESS_OUT, '>', "File to write SSL session to"},
659 {"sess_in", OPT_SESS_IN, '<', "File to read SSL session from"},
e77bdc73 660 {"use_srtp", OPT_USE_SRTP, 's',
7e1b7485
RS		 661 "Offer SRTP key management with a colon-separated profile list"},
662 {"keymatexport", OPT_KEYMATEXPORT, 's',
663 "Export keying material using label"},
664 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
665 "Export len bytes of keying material (default 20)"},
cf72c757
F		 666 {"maxfraglen", OPT_MAXFRAGLEN, 'p',
667 "Enable Maximum Fragment Length Negotiation (len values: 512, 1024, 2048 and 4096)"},
7e1b7485 668 {"fallback_scsv", OPT_FALLBACKSCSV, '-', "Send the fallback SCSV"},
8176431d
PY		 669 {"name", OPT_PROTOHOST, 's',
670 "Hostname to use for \"-starttls lmtp\", \"-starttls smtp\" or \"-starttls xmpp[-server]\""},
9a13bb38
RS		 671 {"CRL", OPT_CRL, '<', "CRL file to use"},
672 {"crl_download", OPT_CRL_DOWNLOAD, '-', "Download CRL from distribution points"},
673 {"CRLform", OPT_CRLFORM, 'F', "CRL format (PEM or DER) PEM is default"},
674 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-',
675 "Close connection on verification error"},
676 {"verify_quiet", OPT_VERIFY_QUIET, '-', "Restrict verify output to errors"},
677 {"brief", OPT_BRIEF, '-',
678 "Restrict output to brief summary of connection parameters"},
679 {"prexit", OPT_PREXIT, '-',
680 "Print session information when the program exits"},
681 {"security_debug", OPT_SECURITY_DEBUG, '-',
682 "Enable security debug messages"},
683 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-',
684 "Output more security debug output"},
685 {"cert_chain", OPT_CERT_CHAIN, '<',
686 "Certificate chain file (in PEM format)"},
687 {"chainCApath", OPT_CHAINCAPATH, '/',
688 "Use dir as certificate store path to build CA certificate chain"},
689 {"verifyCApath", OPT_VERIFYCAPATH, '/',
690 "Use dir as certificate store path to verify CA certificate"},
691 {"build_chain", OPT_BUILD_CHAIN, '-', "Build certificate chain"},
692 {"chainCAfile", OPT_CHAINCAFILE, '<',
693 "CA file for certificate chain (PEM format)"},
694 {"verifyCAfile", OPT_VERIFYCAFILE, '<',
695 "CA file for certificate verification (PEM format)"},
9c3bcfa0
RS		 696 {"nocommands", OPT_NOCMDS, '-', "Do not use interactive command letters"},
697 {"servername", OPT_SERVERNAME, 's',
481afe2a 698 "Set TLS extension servername (SNI) in ClientHello (default)"},
11ba87f2
MC		 699 {"noservername", OPT_NOSERVERNAME, '-',
700 "Do not send the server name (SNI) extension in the ClientHello"},
9c3bcfa0
RS		 701 {"tlsextdebug", OPT_TLSEXTDEBUG, '-',
702 "Hex dump of all TLS extensions received"},
3e41ac35 703#ifndef OPENSSL_NO_OCSP
9c3bcfa0 704 {"status", OPT_STATUS, '-', "Request certificate status from server"},
3e41ac35 705#endif
9c3bcfa0
RS		 706 {"serverinfo", OPT_SERVERINFO, 's',
707 "types Send empty ClientHello extensions (comma-separated numbers)"},
708 {"alpn", OPT_ALPN, 's',
709 "Enable ALPN extension, considering named protocols supported (comma-separated list)"},
7e25dd6d 710 {"async", OPT_ASYNC, '-', "Support asynchronous operation"},
9a13bb38 711 {"ssl_config", OPT_SSL_CONFIG, 's', "Use specified configuration file"},
28e5ea88 712 {"max_send_frag", OPT_MAX_SEND_FRAG, 'p', "Maximum Size of send frames "},
36b2cfb1 713 {"split_send_frag", OPT_SPLIT_SEND_FRAG, 'p',
0df80881 714 "Size used to split data for encrypt pipelines"},
36b2cfb1 715 {"max_pipelines", OPT_MAX_PIPELINES, 'p',
032c6d21 716 "Maximum number of encrypt/decrypt pipelines to be used"},
36b2cfb1 717 {"read_buf", OPT_READ_BUF, 'p',
dad78fb1 718 "Default read buffer size to be used for connections"},
9c3bcfa0
RS		 719 OPT_S_OPTIONS,
720 OPT_V_OPTIONS,
721 OPT_X_OPTIONS,
722#ifndef OPENSSL_NO_SSL3
723 {"ssl3", OPT_SSL3, '-', "Just use SSLv3"},
724#endif
6b01bed2
VD		 725#ifndef OPENSSL_NO_TLS1
726 {"tls1", OPT_TLS1, '-', "Just use TLSv1"},
727#endif
728#ifndef OPENSSL_NO_TLS1_1
729 {"tls1_1", OPT_TLS1_1, '-', "Just use TLSv1.1"},
730#endif
731#ifndef OPENSSL_NO_TLS1_2
732 {"tls1_2", OPT_TLS1_2, '-', "Just use TLSv1.2"},
733#endif
582a17d6
MC		 734#ifndef OPENSSL_NO_TLS1_3
735 {"tls1_3", OPT_TLS1_3, '-', "Just use TLSv1.3"},
736#endif
a5ecdc6a 737#ifndef OPENSSL_NO_DTLS
9a13bb38
RS		 738 {"dtls", OPT_DTLS, '-', "Use any version of DTLS"},
739 {"timeout", OPT_TIMEOUT, '-',
740 "Enable send/receive timeout on DTLS connections"},
9c3bcfa0
RS		 741 {"mtu", OPT_MTU, 'p', "Set the link layer MTU"},
742#endif
6b01bed2
VD		 743#ifndef OPENSSL_NO_DTLS1
744 {"dtls1", OPT_DTLS1, '-', "Just use DTLSv1"},
745#endif
746#ifndef OPENSSL_NO_DTLS1_2
9a13bb38 747 {"dtls1_2", OPT_DTLS1_2, '-', "Just use DTLSv1.2"},
6b01bed2 748#endif
8ccc2377
MC		 749#ifndef OPENSSL_NO_SCTP
750 {"sctp", OPT_SCTP, '-', "Use SCTP"},
751#endif
9c3bcfa0 752#ifndef OPENSSL_NO_SSL_TRACE
9a13bb38 753 {"trace", OPT_TRACE, '-', "Show trace output of protocol messages"},
9c3bcfa0 754#endif
7e1b7485
RS		 755#ifdef WATT32
756 {"wdebug", OPT_WDEBUG, '-', "WATT-32 tcp debugging"},
757#endif
7e1b7485 758 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"},
7e1b7485
RS		 759 {"psk_identity", OPT_PSK_IDENTITY, 's', "PSK identity"},
760 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"},
e261bdd1 761 {"psk_session", OPT_PSK_SESS, '<', "File to read PSK SSL session from"},
7e1b7485 762#ifndef OPENSSL_NO_SRP
bde136c8 763 {"srpuser", OPT_SRPUSER, 's', "SRP authentication for 'user'"},
7e1b7485
RS		 764 {"srppass", OPT_SRPPASS, 's', "Password for 'user'"},
765 {"srp_lateuser", OPT_SRP_LATEUSER, '-',
766 "SRP username into second ClientHello message"},
767 {"srp_moregroups", OPT_SRP_MOREGROUPS, '-',
768 "Tolerate other than the known g N values."},
740ceb5b 769 {"srp_strength", OPT_SRP_STRENGTH, 'p', "Minimal length in bits for N"},
7e1b7485 770#endif
e481f9b9 771#ifndef OPENSSL_NO_NEXTPROTONEG
7e1b7485
RS		 772 {"nextprotoneg", OPT_NEXTPROTONEG, 's',
773 "Enable NPN extension, considering named protocols supported (comma-separated list)"},
7e1b7485 774#endif
7e1b7485
RS		 775#ifndef OPENSSL_NO_ENGINE
776 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
9a13bb38
RS		 777 {"ssl_client_engine", OPT_SSL_CLIENT_ENGINE, 's',
778 "Specify engine to be used for client certificate operations"},
dd696a55
RP		 779#endif
780#ifndef OPENSSL_NO_CT
43341433 781 {"ct", OPT_CT, '-', "Request and parse SCTs (also enables OCSP stapling)"},
dd696a55 782 {"noct", OPT_NOCT, '-', "Do not request or parse SCTs (default)"},
dd696a55 783 {"ctlogfile", OPT_CTLOG_FILE, '<', "CT log list CONF file"},
7e1b7485 784#endif
4bf73e9f 785 {"keylogfile", OPT_KEYLOG_FILE, '>', "Write TLS secrets to file"},
923ac827 786 {"early_data", OPT_EARLY_DATA, '<', "File to send as early data"},
9d75dce3 787 {"force_pha", OPT_FORCE_PHA, '-', "Force-enable post-handshake-authentication"},
bde136c8 788 {NULL, OPT_EOF, 0x00, NULL}
7e1b7485
RS		 789};
790
791typedef enum PROTOCOL_choice {
792 PROTO_OFF,
0f113f3e
MC		 793 PROTO_SMTP,
794 PROTO_POP3,
795 PROTO_IMAP,
796 PROTO_FTP,
d8c25de5 797 PROTO_TELNET,
552bf8ec 798 PROTO_XMPP,
898ea7b8 799 PROTO_XMPP_SERVER,
cfb4f1ef 800 PROTO_CONNECT,
b2e54eb8 801 PROTO_IRC,
a2d9cfba 802 PROTO_MYSQL,
9576545a 803 PROTO_POSTGRES,
8f85aa6b 804 PROTO_LMTP,
20967afb 805 PROTO_NNTP,
398b0bbd
RS		 806 PROTO_SIEVE,
807 PROTO_LDAP
7e1b7485
RS		 808} PROTOCOL_CHOICE;
809
bde136c8 810static const OPT_PAIR services[] = {
7e1b7485
RS		 811 {"smtp", PROTO_SMTP},
812 {"pop3", PROTO_POP3},
813 {"imap", PROTO_IMAP},
814 {"ftp", PROTO_FTP},
815 {"xmpp", PROTO_XMPP},
898ea7b8 816 {"xmpp-server", PROTO_XMPP_SERVER},
d8c25de5 817 {"telnet", PROTO_TELNET},
cfb4f1ef 818 {"irc", PROTO_IRC},
a2d9cfba 819 {"mysql", PROTO_MYSQL},
b2e54eb8 820 {"postgres", PROTO_POSTGRES},
9576545a 821 {"lmtp", PROTO_LMTP},
8f85aa6b 822 {"nntp", PROTO_NNTP},
20967afb 823 {"sieve", PROTO_SIEVE},
398b0bbd 824 {"ldap", PROTO_LDAP},
bde136c8 825 {NULL, 0}
85c67492
RL		 826};
827
fe08bd76
RS		 828#define IS_INET_FLAG(o) \
829 (o == OPT_4 || o == OPT_6 || o == OPT_HOST || o == OPT_PORT || o == OPT_CONNECT)
830#define IS_UNIX_FLAG(o) (o == OPT_UNIX)
831
4bbd4ba6
MC		 832#define IS_PROT_FLAG(o) \
833 (o == OPT_SSL3 || o == OPT_TLS1 || o == OPT_TLS1_1 || o == OPT_TLS1_2 \
582a17d6 834 || o == OPT_TLS1_3 || o == OPT_DTLS || o == OPT_DTLS1 || o == OPT_DTLS1_2)
4bbd4ba6 835
7315ce80
RS		 836/* Free |*dest| and optionally set it to a copy of |source|. */
837static void freeandcopy(char **dest, const char *source)
838{
839 OPENSSL_free(*dest);
840 *dest = NULL;
841 if (source != NULL)
842 *dest = OPENSSL_strdup(source);
843}
844
be62b22b
MC		 845static int new_session_cb(SSL *S, SSL_SESSION *sess)
846{
847 BIO *stmp = BIO_new_file(sess_out, "w");
848
1f5b44e9
MC		 849 if (stmp == NULL) {
850 BIO_printf(bio_err, "Error writing session file %s\n", sess_out);
851 } else {
be62b22b
MC		 852 PEM_write_bio_SSL_SESSION(stmp, sess);
853 BIO_free(stmp);
be62b22b
MC		 854 }
855
856 /*
857 * We always return a "fail" response so that the session gets freed again
858 * because we haven't used the reference.
859 */
860 return 0;
861}
862
7e1b7485 863int s_client_main(int argc, char **argv)
0f113f3e 864{
7e1b7485 865 BIO *sbio;
0f113f3e 866 EVP_PKEY *key = NULL;
7e1b7485 867 SSL *con = NULL;
0f113f3e 868 SSL_CTX *ctx = NULL;
7e1b7485
RS		 869 STACK_OF(X509) *chain = NULL;
870 X509 *cert = NULL;
0f113f3e 871 X509_VERIFY_PARAM *vpm = NULL;
7e1b7485
RS		 872 SSL_EXCERT *exc = NULL;
873 SSL_CONF_CTX *cctx = NULL;
874 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
cddd424a
VD		 875 char *dane_tlsa_domain = NULL;
876 STACK_OF(OPENSSL_STRING) *dane_tlsa_rrset = NULL;
c4fbed6c 877 int dane_ee_no_name = 0;
7e1b7485 878 STACK_OF(X509_CRL) *crls = NULL;
13c9bb3e 879 const SSL_METHOD *meth = TLS_client_method();
cc696296
F		 880 const char *CApath = NULL, *CAfile = NULL;
881 char *cbuf = NULL, *sbuf = NULL;
ebc01683 882 char *mbuf = NULL, *proxystr = NULL, *connectstr = NULL, *bindstr = NULL;
cddd424a 883 char *cert_file = NULL, *key_file = NULL, *chain_file = NULL;
ab69ac00 884 char *chCApath = NULL, *chCAfile = NULL, *host = NULL;
7315ce80 885 char *port = OPENSSL_strdup(PORT);
ebc01683 886 char *bindhost = NULL, *bindport = NULL;
7e1b7485 887 char *passarg = NULL, *pass = NULL, *vfyCApath = NULL, *vfyCAfile = NULL;
d2add501 888 char *ReqCAfile = NULL;
be62b22b 889 char *sess_in = NULL, *crl_file = NULL, *p;
8176431d 890 const char *protohost = NULL;
0f113f3e 891 struct timeval timeout, *timeoutp;
7e1b7485 892 fd_set readfds, writefds;
2b6bcb70 893 int noCApath = 0, noCAfile = 0;
7e1b7485
RS		 894 int build_chain = 0, cbuf_len, cbuf_off, cert_format = FORMAT_PEM;
895 int key_format = FORMAT_PEM, crlf = 0, full_log = 1, mbuf_len = 0;
896 int prexit = 0;
40a8e9c2 897 int sdebug = 0;
7e1b7485 898 int reconnect = 0, verify = SSL_VERIFY_NONE, vpmtouched = 0;
480405e4 899 int ret = 1, in_init = 1, i, nbio_test = 0, s = -1, k, width, state = 0;
ab69ac00 900 int sbuf_len, sbuf_off, cmdletters = 1;
8ccc2377 901 int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM, protocol = 0;
7e1b7485
RS		 902 int starttls_proto = PROTO_OFF, crl_format = FORMAT_PEM, crl_download = 0;
903 int write_tty, read_tty, write_ssl, read_ssl, tty_on, ssl_pending;
d485640b 904#if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
a3ef2c16 905 int at_eof = 0;
d485640b 906#endif
dad78fb1 907 int read_buf_len = 0;
7e1b7485 908 int fallback_scsv = 0;
7e1b7485 909 OPTION_CHOICE o;
40a8e9c2
MC		 910#ifndef OPENSSL_NO_DTLS
911 int enable_timeouts = 0;
912 long socket_mtu = 0;
913#endif
0b13e9f0 914#ifndef OPENSSL_NO_ENGINE
0f113f3e 915 ENGINE *ssl_client_engine = NULL;
7e1b7485 916#endif
333b070e 917 ENGINE *e = NULL;
1fbab1dc 918#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
0f113f3e 919 struct timeval tv;
06f4536a 920#endif
44f19af7 921 const char *servername = NULL;
11ba87f2 922 int noservername = 0;
7e1b7485 923 const char *alpn_in = NULL;
0f113f3e 924 tlsextctx tlsextcbp = { NULL, 0 };
287d0b94 925 const char *ssl_config = NULL;
e481f9b9 926#define MAX_SI_TYPES 100
7e1b7485
RS		 927 unsigned short serverinfo_types[MAX_SI_TYPES];
928 int serverinfo_count = 0, start = 0, len;
e481f9b9 929#ifndef OPENSSL_NO_NEXTPROTONEG
0f113f3e 930 const char *next_proto_neg_in = NULL;
ed551cdd 931#endif
edc032b5 932#ifndef OPENSSL_NO_SRP
0f113f3e
MC		 933 char *srppass = NULL;
934 int srp_lateuser = 0;
935 SRP_ARG srp_arg = { NULL, NULL, 0, 0, 0, 1024 };
936#endif
dd696a55
RP		 937#ifndef OPENSSL_NO_CT
938 char *ctlog_file = NULL;
43341433 939 int ct_validation = 0;
dd696a55 940#endif
4bbd4ba6 941 int min_version = 0, max_version = 0, prot_opt = 0, no_prot_opt = 0;
fba13663 942 int async = 0;
28e5ea88 943 unsigned int max_send_fragment = 0;
36b2cfb1 944 unsigned int split_send_fragment = 0, max_pipelines = 0;
fe08bd76
RS		 945 enum { use_inet, use_unix, use_unknown } connect_type = use_unknown;
946 int count4or6 = 0;
cf72c757 947 uint8_t maxfraglen = 0;
54463e4f 948 int c_nbio = 0, c_msg = 0, c_ign_eof = 0, c_brief = 0;
057c676a
RL		 949 int c_tlsextdebug = 0;
950#ifndef OPENSSL_NO_OCSP
951 int c_status_req = 0;
952#endif
54463e4f 953 BIO *bio_c_msg = NULL;
923ac827 954 const char *keylog_file = NULL, *early_data_file = NULL;
9ff2cebf 955#ifndef OPENSSL_NO_DTLS
8ccc2377 956 int isdtls = 0;
9ff2cebf 957#endif
e261bdd1 958 char *psksessf = NULL;
9d75dce3 959 int force_pha = 0;
0f113f3e 960
efc943be
EK		 961 FD_ZERO(&readfds);
962 FD_ZERO(&writefds);
963/* Known false-positive of MemorySanitizer. */
964#if defined(__has_feature)
965# if __has_feature(memory_sanitizer)
966 __msan_unpoison(&readfds, sizeof(readfds));
967 __msan_unpoison(&writefds, sizeof(writefds));
968# endif
969#endif
970
7e1b7485 971 prog = opt_progname(argv[0]);
0f113f3e 972 c_quiet = 0;
0f113f3e 973 c_debug = 0;
0f113f3e 974 c_showcerts = 0;
7e1b7485 975 c_nbio = 0;
7e1b7485 976 vpm = X509_VERIFY_PARAM_new();
0f113f3e 977 cctx = SSL_CONF_CTX_new();
0f113f3e 978
68dc6824 979 if (vpm == NULL || cctx == NULL) {
7e1b7485 980 BIO_printf(bio_err, "%s: out of memory\n", prog);
0f113f3e
MC		 981 goto end;
982 }
983
acc00492
F		 984 cbuf = app_malloc(BUFSIZZ, "cbuf");
985 sbuf = app_malloc(BUFSIZZ, "sbuf");
986 mbuf = app_malloc(BUFSIZZ, "mbuf");
987
7e1b7485 988 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT | SSL_CONF_FLAG_CMDLINE);
0f113f3e 989
7e1b7485
RS		 990 prog = opt_init(argc, argv, s_client_options);
991 while ((o = opt_next()) != OPT_EOF) {
fe08bd76
RS		 992 /* Check for intermixing flags. */
993 if (connect_type == use_unix && IS_INET_FLAG(o)) {
994 BIO_printf(bio_err,
d6073e27
F		 995 "%s: Intermixed protocol flags (unix and internet domains)\n",
996 prog);
fe08bd76
RS		 997 goto end;
998 }
999 if (connect_type == use_inet && IS_UNIX_FLAG(o)) {
1000 BIO_printf(bio_err,
d6073e27
F		 1001 "%s: Intermixed protocol flags (internet and unix domains)\n",
1002 prog);
fe08bd76
RS		 1003 goto end;
1004 }
4bbd4ba6
MC		 1005
1006 if (IS_PROT_FLAG(o) && ++prot_opt > 1) {
1007 BIO_printf(bio_err, "Cannot supply multiple protocol flags\n");
1008 goto end;
1009 }
1010 if (IS_NO_PROT_FLAG(o))
1011 no_prot_opt++;
1012 if (prot_opt == 1 && no_prot_opt) {
d6073e27
F		 1013 BIO_printf(bio_err,
1014 "Cannot supply both a protocol flag and '-no_<prot>'\n");
4bbd4ba6
MC		 1015 goto end;
1016 }
1017
7e1b7485 1018 switch (o) {
7e1b7485
RS		 1019 case OPT_EOF:
1020 case OPT_ERR:
1021 opthelp:
1022 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
1023 goto end;
1024 case OPT_HELP:
1025 opt_help(s_client_options);
1026 ret = 0;
1027 goto end;
ab69ac00 1028 case OPT_4:
fe08bd76 1029 connect_type = use_inet;
ab69ac00 1030 socket_family = AF_INET;
fe08bd76 1031 count4or6++;
ab69ac00 1032 break;
ab69ac00 1033#ifdef AF_INET6
fe08bd76
RS		 1034 case OPT_6:
1035 connect_type = use_inet;
1036 socket_family = AF_INET6;
1037 count4or6++;
ab69ac00 1038 break;
ab69ac00 1039#endif
fe08bd76
RS		 1040 case OPT_HOST:
1041 connect_type = use_inet;
7315ce80 1042 freeandcopy(&host, opt_arg());
7e1b7485
RS		 1043 break;
1044 case OPT_PORT:
fe08bd76 1045 connect_type = use_inet;
7315ce80 1046 freeandcopy(&port, opt_arg());
7e1b7485
RS		 1047 break;
1048 case OPT_CONNECT:
fe08bd76 1049 connect_type = use_inet;
7315ce80 1050 freeandcopy(&connectstr, opt_arg());
552bf8ec 1051 break;
ebc01683
JH		 1052 case OPT_BIND:
1053 freeandcopy(&bindstr, opt_arg());
1054 break;
552bf8ec
MT		 1055 case OPT_PROXY:
1056 proxystr = opt_arg();
1057 starttls_proto = PROTO_CONNECT;
7e1b7485 1058 break;
ab69ac00 1059#ifdef AF_UNIX
7e1b7485 1060 case OPT_UNIX:
fe08bd76 1061 connect_type = use_unix;
ab69ac00 1062 socket_family = AF_UNIX;
7315ce80 1063 freeandcopy(&host, opt_arg());
7e1b7485 1064 break;
ab69ac00 1065#endif
d8c25de5 1066 case OPT_XMPPHOST:
8176431d
PY		 1067 /* fall through, since this is an alias */
1068 case OPT_PROTOHOST:
1069 protohost = opt_arg();
d8c25de5 1070 break;
7e1b7485 1071 case OPT_VERIFY:
0f113f3e 1072 verify = SSL_VERIFY_PEER;
acc00492 1073 verify_args.depth = atoi(opt_arg());
0f113f3e 1074 if (!c_quiet)
acc00492 1075 BIO_printf(bio_err, "verify depth is %d\n", verify_args.depth);
7e1b7485
RS		 1076 break;
1077 case OPT_CERT:
1078 cert_file = opt_arg();
1079 break;
a7c04f2b
DB		 1080 case OPT_NAMEOPT:
1081 if (!set_nameopt(opt_arg()))
1082 goto end;
1083 break;
7e1b7485
RS		 1084 case OPT_CRL:
1085 crl_file = opt_arg();
1086 break;
1087 case OPT_CRL_DOWNLOAD:
0f113f3e 1088 crl_download = 1;
7e1b7485
RS		 1089 break;
1090 case OPT_SESS_OUT:
1091 sess_out = opt_arg();
1092 break;
1093 case OPT_SESS_IN:
1094 sess_in = opt_arg();
1095 break;
1096 case OPT_CERTFORM:
1097 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &cert_format))
1098 goto opthelp;
1099 break;
1100 case OPT_CRLFORM:
1101 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
1102 goto opthelp;
1103 break;
1104 case OPT_VERIFY_RET_ERROR:
acc00492 1105 verify_args.return_error = 1;
7e1b7485
RS		 1106 break;
1107 case OPT_VERIFY_QUIET:
acc00492 1108 verify_args.quiet = 1;
7e1b7485
RS		 1109 break;
1110 case OPT_BRIEF:
acc00492 1111 c_brief = verify_args.quiet = c_quiet = 1;
7e1b7485
RS		 1112 break;
1113 case OPT_S_CASES:
1114 if (ssl_args == NULL)
1115 ssl_args = sk_OPENSSL_STRING_new_null();
1116 if (ssl_args == NULL
1117 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
1118 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
1119 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1120 goto end;
1121 }
1122 break;
1123 case OPT_V_CASES:
1124 if (!opt_verify(o, vpm))
1125 goto end;
1126 vpmtouched++;
1127 break;
1128 case OPT_X_CASES:
1129 if (!args_excert(o, &exc))
1130 goto end;
1131 break;
1132 case OPT_PREXIT:
0f113f3e 1133 prexit = 1;
7e1b7485
RS		 1134 break;
1135 case OPT_CRLF:
0f113f3e 1136 crlf = 1;
7e1b7485
RS		 1137 break;
1138 case OPT_QUIET:
1139 c_quiet = c_ign_eof = 1;
1140 break;
1141 case OPT_NBIO:
1142 c_nbio = 1;
1143 break;
6ba8a5b7
RS		 1144 case OPT_NOCMDS:
1145 cmdletters = 0;
1146 break;
7e1b7485 1147 case OPT_ENGINE:
333b070e 1148 e = setup_engine(opt_arg(), 1);
7e1b7485
RS		 1149 break;
1150 case OPT_SSL_CLIENT_ENGINE:
333b070e
RS		 1151#ifndef OPENSSL_NO_ENGINE
1152 ssl_client_engine = ENGINE_by_id(opt_arg());
1153 if (ssl_client_engine == NULL) {
1154 BIO_printf(bio_err, "Error getting client auth engine\n");
1155 goto opthelp;
1156 }
333b070e 1157#endif
7e1b7485 1158 break;
3ee1eac2
RS		 1159 case OPT_R_CASES:
1160 if (!opt_rand(o))
1161 goto end;
7e1b7485
RS		 1162 break;
1163 case OPT_IGN_EOF:
0f113f3e 1164 c_ign_eof = 1;
7e1b7485
RS		 1165 break;
1166 case OPT_NO_IGN_EOF:
0f113f3e 1167 c_ign_eof = 0;
7e1b7485 1168 break;
7e1b7485 1169 case OPT_DEBUG:
0f113f3e 1170 c_debug = 1;
7e1b7485 1171 break;
7e1b7485 1172 case OPT_TLSEXTDEBUG:
0f113f3e 1173 c_tlsextdebug = 1;
7e1b7485
RS		 1174 break;
1175 case OPT_STATUS:
057c676a 1176#ifndef OPENSSL_NO_OCSP
0f113f3e 1177 c_status_req = 1;
057c676a 1178#endif
7e1b7485 1179 break;
7e1b7485 1180 case OPT_WDEBUG:
9c3bcfa0 1181#ifdef WATT32
0f113f3e
MC		 1182 dbug_init();
1183#endif
9c3bcfa0 1184 break;
7e1b7485 1185 case OPT_MSG:
0f113f3e 1186 c_msg = 1;
7e1b7485
RS		 1187 break;
1188 case OPT_MSGFILE:
1189 bio_c_msg = BIO_new_file(opt_arg(), "w");
1190 break;
7e1b7485 1191 case OPT_TRACE:
9c3bcfa0 1192#ifndef OPENSSL_NO_SSL_TRACE
0f113f3e
MC		 1193 c_msg = 2;
1194#endif
9c3bcfa0 1195 break;
7e1b7485 1196 case OPT_SECURITY_DEBUG:
0f113f3e 1197 sdebug = 1;
7e1b7485
RS		 1198 break;
1199 case OPT_SECURITY_DEBUG_VERBOSE:
0f113f3e 1200 sdebug = 2;
7e1b7485
RS		 1201 break;
1202 case OPT_SHOWCERTS:
0f113f3e 1203 c_showcerts = 1;
7e1b7485
RS		 1204 break;
1205 case OPT_NBIO_TEST:
0f113f3e 1206 nbio_test = 1;
7e1b7485
RS		 1207 break;
1208 case OPT_STATE:
0f113f3e 1209 state = 1;
7e1b7485 1210 break;
7e1b7485
RS		 1211 case OPT_PSK_IDENTITY:
1212 psk_identity = opt_arg();
1213 break;
1214 case OPT_PSK:
1215 for (p = psk_key = opt_arg(); *p; p++) {
18295f0c 1216 if (isxdigit(_UC(*p)))
0f113f3e 1217 continue;
7e1b7485
RS		 1218 BIO_printf(bio_err, "Not a hex number '%s'\n", psk_key);
1219 goto end;
0f113f3e 1220 }
13cbe5e7 1221 break;
e261bdd1
MC		 1222 case OPT_PSK_SESS:
1223 psksessf = opt_arg();
1224 break;
edc032b5 1225#ifndef OPENSSL_NO_SRP
7e1b7485
RS		 1226 case OPT_SRPUSER:
1227 srp_arg.srplogin = opt_arg();
0d5301af
KR		 1228 if (min_version < TLS1_VERSION)
1229 min_version = TLS1_VERSION;
7e1b7485
RS		 1230 break;
1231 case OPT_SRPPASS:
1232 srppass = opt_arg();
0d5301af
KR		 1233 if (min_version < TLS1_VERSION)
1234 min_version = TLS1_VERSION;
7e1b7485
RS		 1235 break;
1236 case OPT_SRP_STRENGTH:
1237 srp_arg.strength = atoi(opt_arg());
0f113f3e
MC		 1238 BIO_printf(bio_err, "SRP minimal length for N is %d\n",
1239 srp_arg.strength);
0d5301af
KR		 1240 if (min_version < TLS1_VERSION)
1241 min_version = TLS1_VERSION;
7e1b7485
RS		 1242 break;
1243 case OPT_SRP_LATEUSER:
0f113f3e 1244 srp_lateuser = 1;
0d5301af
KR		 1245 if (min_version < TLS1_VERSION)
1246 min_version = TLS1_VERSION;
7e1b7485
RS		 1247 break;
1248 case OPT_SRP_MOREGROUPS:
0f113f3e 1249 srp_arg.amp = 1;
0d5301af
KR		 1250 if (min_version < TLS1_VERSION)
1251 min_version = TLS1_VERSION;
7e1b7485 1252 break;
edc032b5 1253#endif
287d0b94
DSH		 1254 case OPT_SSL_CONFIG:
1255 ssl_config = opt_arg();
1256 break;
7e1b7485 1257 case OPT_SSL3:
0d5301af
KR		 1258 min_version = SSL3_VERSION;
1259 max_version = SSL3_VERSION;
9c3bcfa0 1260 break;
582a17d6
MC		 1261 case OPT_TLS1_3:
1262 min_version = TLS1_3_VERSION;
1263 max_version = TLS1_3_VERSION;
1264 break;
7e1b7485 1265 case OPT_TLS1_2:
0d5301af
KR		 1266 min_version = TLS1_2_VERSION;
1267 max_version = TLS1_2_VERSION;
7e1b7485
RS		 1268 break;
1269 case OPT_TLS1_1:
0d5301af
KR		 1270 min_version = TLS1_1_VERSION;
1271 max_version = TLS1_1_VERSION;
7e1b7485
RS		 1272 break;
1273 case OPT_TLS1:
0d5301af
KR		 1274 min_version = TLS1_VERSION;
1275 max_version = TLS1_VERSION;
7e1b7485 1276 break;
7e1b7485 1277 case OPT_DTLS:
6b01bed2 1278#ifndef OPENSSL_NO_DTLS
0f113f3e
MC		 1279 meth = DTLS_client_method();
1280 socket_type = SOCK_DGRAM;
8ccc2377 1281 isdtls = 1;
6b01bed2 1282#endif
7e1b7485
RS		 1283 break;
1284 case OPT_DTLS1:
6b01bed2 1285#ifndef OPENSSL_NO_DTLS1
0d5301af
KR		 1286 meth = DTLS_client_method();
1287 min_version = DTLS1_VERSION;
1288 max_version = DTLS1_VERSION;
0f113f3e 1289 socket_type = SOCK_DGRAM;
8ccc2377 1290 isdtls = 1;
6b01bed2 1291#endif
7e1b7485
RS		 1292 break;
1293 case OPT_DTLS1_2:
6b01bed2 1294#ifndef OPENSSL_NO_DTLS1_2
0d5301af
KR		 1295 meth = DTLS_client_method();
1296 min_version = DTLS1_2_VERSION;
1297 max_version = DTLS1_2_VERSION;
0f113f3e 1298 socket_type = SOCK_DGRAM;
8ccc2377
MC		 1299 isdtls = 1;
1300#endif
1301 break;
1302 case OPT_SCTP:
1303#ifndef OPENSSL_NO_SCTP
1304 protocol = IPPROTO_SCTP;
6b01bed2 1305#endif
7e1b7485
RS		 1306 break;
1307 case OPT_TIMEOUT:
6b01bed2 1308#ifndef OPENSSL_NO_DTLS
0f113f3e 1309 enable_timeouts = 1;
6b01bed2 1310#endif
7e1b7485
RS		 1311 break;
1312 case OPT_MTU:
6b01bed2 1313#ifndef OPENSSL_NO_DTLS
7e1b7485 1314 socket_mtu = atol(opt_arg());
0f113f3e 1315#endif
6b01bed2 1316 break;
7e1b7485 1317 case OPT_FALLBACKSCSV:
0f113f3e 1318 fallback_scsv = 1;
7e1b7485
RS		 1319 break;
1320 case OPT_KEYFORM:
a6972f34 1321 if (!opt_format(opt_arg(), OPT_FMT_PDE, &key_format))
7e1b7485
RS		 1322 goto opthelp;
1323 break;
1324 case OPT_PASS:
1325 passarg = opt_arg();
1326 break;
1327 case OPT_CERT_CHAIN:
1328 chain_file = opt_arg();
1329 break;
1330 case OPT_KEY:
1331 key_file = opt_arg();
1332 break;
1333 case OPT_RECONNECT:
0f113f3e 1334 reconnect = 5;
7e1b7485
RS		 1335 break;
1336 case OPT_CAPATH:
1337 CApath = opt_arg();
1338 break;
2b6bcb70
MC		 1339 case OPT_NOCAPATH:
1340 noCApath = 1;
1341 break;
7e1b7485
RS		 1342 case OPT_CHAINCAPATH:
1343 chCApath = opt_arg();
1344 break;
1345 case OPT_VERIFYCAPATH:
1346 vfyCApath = opt_arg();
1347 break;
1348 case OPT_BUILD_CHAIN:
0f113f3e 1349 build_chain = 1;
7e1b7485 1350 break;
d2add501
DSH		 1351 case OPT_REQCAFILE:
1352 ReqCAfile = opt_arg();
1353 break;
7e1b7485
RS		 1354 case OPT_CAFILE:
1355 CAfile = opt_arg();
1356 break;
2b6bcb70
MC		 1357 case OPT_NOCAFILE:
1358 noCAfile = 1;
1359 break;
dd696a55
RP		 1360#ifndef OPENSSL_NO_CT
1361 case OPT_NOCT:
43341433 1362 ct_validation = 0;
dd696a55 1363 break;
43341433
VD		 1364 case OPT_CT:
1365 ct_validation = 1;
dd696a55
RP		 1366 break;
1367 case OPT_CTLOG_FILE:
1368 ctlog_file = opt_arg();
1369 break;
1370#endif
7e1b7485
RS		 1371 case OPT_CHAINCAFILE:
1372 chCAfile = opt_arg();
1373 break;
1374 case OPT_VERIFYCAFILE:
1375 vfyCAfile = opt_arg();
1376 break;
cddd424a
VD		 1377 case OPT_DANE_TLSA_DOMAIN:
1378 dane_tlsa_domain = opt_arg();
1379 break;
1380 case OPT_DANE_TLSA_RRDATA:
1381 if (dane_tlsa_rrset == NULL)
1382 dane_tlsa_rrset = sk_OPENSSL_STRING_new_null();
1383 if (dane_tlsa_rrset == NULL ||
1384 !sk_OPENSSL_STRING_push(dane_tlsa_rrset, opt_arg())) {
1385 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1386 goto end;
1387 }
1388 break;
c4fbed6c
VD		 1389 case OPT_DANE_EE_NO_NAME:
1390 dane_ee_no_name = 1;
1391 break;
7e1b7485 1392 case OPT_NEXTPROTONEG:
1595ca02 1393#ifndef OPENSSL_NO_NEXTPROTONEG
7e1b7485 1394 next_proto_neg_in = opt_arg();
1595ca02 1395#endif
7e1b7485
RS		 1396 break;
1397 case OPT_ALPN:
1398 alpn_in = opt_arg();
1399 break;
1400 case OPT_SERVERINFO:
1401 p = opt_arg();
1402 len = strlen(p);
1403 for (start = 0, i = 0; i <= len; ++i) {
1404 if (i == len || p[i] == ',') {
1405 serverinfo_types[serverinfo_count] = atoi(p + start);
1406 if (++serverinfo_count == MAX_SI_TYPES)
1407 break;
0f113f3e
MC		 1408 start = i + 1;
1409 }
0f113f3e 1410 }
7e1b7485 1411 break;
7e1b7485
RS		 1412 case OPT_STARTTLS:
1413 if (!opt_pair(opt_arg(), services, &starttls_proto))
1414 goto end;
46da5f9c 1415 break;
7e1b7485
RS		 1416 case OPT_SERVERNAME:
1417 servername = opt_arg();
7e1b7485 1418 break;
11ba87f2
MC		 1419 case OPT_NOSERVERNAME:
1420 noservername = 1;
1421 break;
7e1b7485
RS		 1422 case OPT_USE_SRTP:
1423 srtp_profiles = opt_arg();
1424 break;
1425 case OPT_KEYMATEXPORT:
1426 keymatexportlabel = opt_arg();
1427 break;
1428 case OPT_KEYMATEXPORTLEN:
1429 keymatexportlen = atoi(opt_arg());
0f113f3e 1430 break;
7e25dd6d
MC		 1431 case OPT_ASYNC:
1432 async = 1;
1433 break;
cf72c757
F		 1434 case OPT_MAXFRAGLEN:
1435 len = atoi(opt_arg());
1436 switch (len) {
1437 case 512:
1438 maxfraglen = TLSEXT_max_fragment_length_512;
1439 break;
1440 case 1024:
1441 maxfraglen = TLSEXT_max_fragment_length_1024;
1442 break;
1443 case 2048:
1444 maxfraglen = TLSEXT_max_fragment_length_2048;
1445 break;
1446 case 4096:
1447 maxfraglen = TLSEXT_max_fragment_length_4096;
1448 break;
1449 default:
1450 BIO_printf(bio_err,
1451 "%s: Max Fragment Len %u is out of permitted values",
1452 prog, len);
1453 goto opthelp;
1454 }
1455 break;
28e5ea88
F		 1456 case OPT_MAX_SEND_FRAG:
1457 max_send_fragment = atoi(opt_arg());
28e5ea88 1458 break;
032c6d21
MC		 1459 case OPT_SPLIT_SEND_FRAG:
1460 split_send_fragment = atoi(opt_arg());
032c6d21
MC		 1461 break;
1462 case OPT_MAX_PIPELINES:
1463 max_pipelines = atoi(opt_arg());
1464 break;
dad78fb1
MC		 1465 case OPT_READ_BUF:
1466 read_buf_len = atoi(opt_arg());
1467 break;
4bf73e9f
PW		 1468 case OPT_KEYLOG_FILE:
1469 keylog_file = opt_arg();
1470 break;
923ac827
MC		 1471 case OPT_EARLY_DATA:
1472 early_data_file = opt_arg();
1473 break;
9d75dce3
TS		 1474 case OPT_FORCE_PHA:
1475 force_pha = 1;
1476 break;
0f113f3e 1477 }
0f113f3e 1478 }
fe08bd76
RS		 1479 if (count4or6 >= 2) {
1480 BIO_printf(bio_err, "%s: Can't use both -4 and -6\n", prog);
1481 goto opthelp;
1482 }
11ba87f2
MC		 1483 if (noservername) {
1484 if (servername != NULL) {
1485 BIO_printf(bio_err,
1486 "%s: Can't use -servername and -noservername together\n",
1487 prog);
1488 goto opthelp;
1489 }
1490 if (dane_tlsa_domain != NULL) {
1491 BIO_printf(bio_err,
1492 "%s: Can't use -dane_tlsa_domain and -noservername together\n",
1493 prog);
1494 goto opthelp;
1495 }
1496 }
7e1b7485 1497 argc = opt_num_rest();
729ef856
CB		 1498 if (argc == 1) {
1499 /* If there's a positional argument, it's the equivalent of
1500 * OPT_CONNECT.
1501 * Don't allow -connect and a separate argument.
1502 */
1503 if (connectstr != NULL) {
1504 BIO_printf(bio_err,
1505 "%s: must not provide both -connect option and target parameter\n",
1506 prog);
1507 goto opthelp;
1508 }
1509 connect_type = use_inet;
222417eb 1510 freeandcopy(&connectstr, *opt_rest());
729ef856 1511 } else if (argc != 0) {
03358517 1512 goto opthelp;
729ef856 1513 }
0f113f3e 1514
837f87c2
PY		 1515#ifndef OPENSSL_NO_NEXTPROTONEG
1516 if (min_version == TLS1_3_VERSION && next_proto_neg_in != NULL) {
1517 BIO_printf(bio_err, "Cannot supply -nextprotoneg with TLSv1.3\n");
1518 goto opthelp;
1519 }
1520#endif
2234212c 1521 if (proxystr != NULL) {
ab69ac00
RL		 1522 int res;
1523 char *tmp_host = host, *tmp_port = port;
552bf8ec 1524 if (connectstr == NULL) {
729ef856 1525 BIO_printf(bio_err, "%s: -proxy requires use of -connect or target parameter\n", prog);
552bf8ec
MT		 1526 goto opthelp;
1527 }
ab69ac00
RL		 1528 res = BIO_parse_hostserv(proxystr, &host, &port, BIO_PARSE_PRIO_HOST);
1529 if (tmp_host != host)
1530 OPENSSL_free(tmp_host);
1531 if (tmp_port != port)
1532 OPENSSL_free(tmp_port);
1533 if (!res) {
d6073e27
F		 1534 BIO_printf(bio_err,
1535 "%s: -proxy argument malformed or ambiguous\n", prog);
ab69ac00
RL		 1536 goto end;
1537 }
1538 } else {
1539 int res = 1;
1540 char *tmp_host = host, *tmp_port = port;
1541 if (connectstr != NULL)
1542 res = BIO_parse_hostserv(connectstr, &host, &port,
1543 BIO_PARSE_PRIO_HOST);
1544 if (tmp_host != host)
1545 OPENSSL_free(tmp_host);
1546 if (tmp_port != port)
1547 OPENSSL_free(tmp_port);
1548 if (!res) {
1549 BIO_printf(bio_err,
729ef856 1550 "%s: -connect argument or target parameter malformed or ambiguous\n",
ab69ac00 1551 prog);
552bf8ec 1552 goto end;
ab69ac00 1553 }
552bf8ec 1554 }
552bf8ec 1555
ebc01683
JH		 1556 if (bindstr != NULL) {
1557 int res;
1558 res = BIO_parse_hostserv(bindstr, &bindhost, &bindport,
1559 BIO_PARSE_PRIO_HOST);
1560 if (!res) {
1561 BIO_printf(bio_err,
1562 "%s: -bind argument parameter malformed or ambiguous\n",
1563 prog);
1564 goto end;
1565 }
1566 }
1567
326eaa94 1568#ifdef AF_UNIX
ab69ac00 1569 if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) {
0f113f3e
MC		 1570 BIO_printf(bio_err,
1571 "Can't use unix sockets and datagrams together\n");
1572 goto end;
1573 }
326eaa94 1574#endif
f3b7bdad 1575
8ccc2377
MC		 1576#ifndef OPENSSL_NO_SCTP
1577 if (protocol == IPPROTO_SCTP) {
1578 if (socket_type != SOCK_DGRAM) {
1579 BIO_printf(bio_err, "Can't use -sctp without DTLS\n");
1580 goto end;
1581 }
1582 /* SCTP is unusual. It uses DTLS over a SOCK_STREAM protocol */
1583 socket_type = SOCK_STREAM;
1584 }
1585#endif
032c6d21 1586
e481f9b9 1587#if !defined(OPENSSL_NO_NEXTPROTONEG)
0f113f3e
MC		 1588 next_proto.status = -1;
1589 if (next_proto_neg_in) {
1590 next_proto.data =
1591 next_protos_parse(&next_proto.len, next_proto_neg_in);
1592 if (next_proto.data == NULL) {
1593 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n");
1594 goto end;
1595 }
1596 } else
1597 next_proto.data = NULL;
ee2ffc27
BL		 1598#endif
1599
7e1b7485 1600 if (!app_passwd(passarg, NULL, &pass, NULL)) {
0f113f3e
MC		 1601 BIO_printf(bio_err, "Error getting password\n");
1602 goto end;
1603 }
1604
1605 if (key_file == NULL)
1606 key_file = cert_file;
1607
2234212c 1608 if (key_file != NULL) {
7e1b7485 1609 key = load_key(key_file, key_format, 0, pass, e,
0f113f3e 1610 "client certificate private key file");
7e1b7485 1611 if (key == NULL) {
0f113f3e
MC		 1612 ERR_print_errors(bio_err);
1613 goto end;
1614 }
0f113f3e
MC		 1615 }
1616
2234212c 1617 if (cert_file != NULL) {
a773b52a 1618 cert = load_cert(cert_file, cert_format, "client certificate file");
7e1b7485 1619 if (cert == NULL) {
0f113f3e
MC		 1620 ERR_print_errors(bio_err);
1621 goto end;
1622 }
1623 }
1624
2234212c 1625 if (chain_file != NULL) {
a773b52a 1626 if (!load_certs(chain_file, &chain, FORMAT_PEM, NULL,
0996dc54 1627 "client certificate chain"))
0f113f3e
MC		 1628 goto end;
1629 }
1630
2234212c 1631 if (crl_file != NULL) {
0f113f3e
MC		 1632 X509_CRL *crl;
1633 crl = load_crl(crl_file, crl_format);
7e1b7485 1634 if (crl == NULL) {
0f113f3e
MC		 1635 BIO_puts(bio_err, "Error loading CRL\n");
1636 ERR_print_errors(bio_err);
1637 goto end;
1638 }
1639 crls = sk_X509_CRL_new_null();
7e1b7485 1640 if (crls == NULL || !sk_X509_CRL_push(crls, crl)) {
0f113f3e
MC		 1641 BIO_puts(bio_err, "Error adding CRL\n");
1642 ERR_print_errors(bio_err);
1643 X509_CRL_free(crl);
1644 goto end;
1645 }
1646 }
1647
7e1b7485 1648 if (!load_excert(&exc))
0f113f3e
MC		 1649 goto end;
1650
0f113f3e
MC		 1651 if (bio_c_out == NULL) {
1652 if (c_quiet && !c_debug) {
1653 bio_c_out = BIO_new(BIO_s_null());
2234212c 1654 if (c_msg && bio_c_msg == NULL)
a60994df 1655 bio_c_msg = dup_bio_out(FORMAT_TEXT);
7e1b7485 1656 } else if (bio_c_out == NULL)
a60994df 1657 bio_c_out = dup_bio_out(FORMAT_TEXT);
0f113f3e 1658 }
edc032b5 1659#ifndef OPENSSL_NO_SRP
7e1b7485 1660 if (!app_passwd(srppass, NULL, &srp_arg.srppassin, NULL)) {
0f113f3e
MC		 1661 BIO_printf(bio_err, "Error getting password\n");
1662 goto end;
1663 }
1664#endif
1665
1666 ctx = SSL_CTX_new(meth);
1667 if (ctx == NULL) {
1668 ERR_print_errors(bio_err);
1669 goto end;
1670 }
1671
1672 if (sdebug)
ecf3a1fb 1673 ssl_ctx_security_debug(ctx, sdebug);
0f113f3e 1674
8f8be103
RL		 1675 if (!config_ctx(cctx, ssl_args, ctx))
1676 goto end;
1677
2234212c 1678 if (ssl_config != NULL) {
287d0b94
DSH		 1679 if (SSL_CTX_config(ctx, ssl_config) == 0) {
1680 BIO_printf(bio_err, "Error using configuration \"%s\"\n",
1681 ssl_config);
d6073e27
F		 1682 ERR_print_errors(bio_err);
1683 goto end;
287d0b94
DSH		 1684 }
1685 }
1686
8f8be103
RL		 1687 if (min_version != 0
1688 && SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
0d5301af 1689 goto end;
8f8be103
RL		 1690 if (max_version != 0
1691 && SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
0d5301af
KR		 1692 goto end;
1693
7e1b7485 1694 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
ac59d705
MC		 1695 BIO_printf(bio_err, "Error setting verify params\n");
1696 ERR_print_errors(bio_err);
1697 goto end;
1698 }
0f113f3e 1699
5e6f9775 1700 if (async) {
7e25dd6d 1701 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
5e6f9775 1702 }
28e5ea88 1703
36b2cfb1
F		 1704 if (max_send_fragment > 0
1705 && !SSL_CTX_set_max_send_fragment(ctx, max_send_fragment)) {
1706 BIO_printf(bio_err, "%s: Max send fragment size %u is out of permitted range\n",
1707 prog, max_send_fragment);
1708 goto end;
1709 }
28e5ea88 1710
36b2cfb1
F		 1711 if (split_send_fragment > 0
1712 && !SSL_CTX_set_split_send_fragment(ctx, split_send_fragment)) {
1713 BIO_printf(bio_err, "%s: Split send fragment size %u is out of permitted range\n",
1714 prog, split_send_fragment);
1715 goto end;
032c6d21 1716 }
36b2cfb1
F		 1717
1718 if (max_pipelines > 0
1719 && !SSL_CTX_set_max_pipelines(ctx, max_pipelines)) {
1720 BIO_printf(bio_err, "%s: Max pipelines %u is out of permitted range\n",
1721 prog, max_pipelines);
1722 goto end;
032c6d21 1723 }
7e25dd6d 1724
dad78fb1
MC		 1725 if (read_buf_len > 0) {
1726 SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len);
1727 }
1728
cf72c757
F		 1729 if (maxfraglen > 0
1730 && !SSL_CTX_set_tlsext_max_fragment_length(ctx, maxfraglen)) {
1731 BIO_printf(bio_err,
1732 "%s: Max Fragment Length code %u is out of permitted values"
1733 "\n", prog, maxfraglen);
1734 goto end;
1735 }
1736
0f113f3e
MC		 1737 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1738 crls, crl_download)) {
1739 BIO_printf(bio_err, "Error loading store locations\n");
1740 ERR_print_errors(bio_err);
1741 goto end;
1742 }
d2add501
DSH		 1743 if (ReqCAfile != NULL) {
1744 STACK_OF(X509_NAME) *nm = sk_X509_NAME_new_null();
5969a2dd 1745
d2add501
DSH		 1746 if (nm == NULL || !SSL_add_file_cert_subjects_to_stack(nm, ReqCAfile)) {
1747 sk_X509_NAME_pop_free(nm, X509_NAME_free);
1748 BIO_printf(bio_err, "Error loading CA names\n");
1749 ERR_print_errors(bio_err);
1750 goto end;
1751 }
1752 SSL_CTX_set0_CA_list(ctx, nm);
1753 }
59d2d48f 1754#ifndef OPENSSL_NO_ENGINE
0f113f3e
MC		 1755 if (ssl_client_engine) {
1756 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine)) {
1757 BIO_puts(bio_err, "Error setting client auth engine\n");
1758 ERR_print_errors(bio_err);
1759 ENGINE_free(ssl_client_engine);
1760 goto end;
1761 }
1762 ENGINE_free(ssl_client_engine);
1763 }
59d2d48f
DSH		 1764#endif
1765
ddac1974 1766#ifndef OPENSSL_NO_PSK
dba31777 1767 if (psk_key != NULL) {
0f113f3e 1768 if (c_debug)
d6073e27 1769 BIO_printf(bio_c_out, "PSK key given, setting client callback\n");
0f113f3e
MC		 1770 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
1771 }
e783bae2 1772#endif
e261bdd1
MC		 1773 if (psksessf != NULL) {
1774 BIO *stmp = BIO_new_file(psksessf, "r");
1775
1776 if (stmp == NULL) {
1777 BIO_printf(bio_err, "Can't open PSK session file %s\n", psksessf);
1778 ERR_print_errors(bio_err);
1779 goto end;
1780 }
1781 psksess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1782 BIO_free(stmp);
1783 if (psksess == NULL) {
1784 BIO_printf(bio_err, "Can't read PSK session file %s\n", psksessf);
1785 ERR_print_errors(bio_err);
1786 goto end;
1787 }
e261bdd1 1788 }
5ffff599
MC		 1789 if (psk_key != NULL || psksess != NULL)
1790 SSL_CTX_set_psk_use_session_callback(ctx, psk_use_session_cb);
1791
e783bae2 1792#ifndef OPENSSL_NO_SRTP
ac59d705 1793 if (srtp_profiles != NULL) {
7e1b7485
RS		 1794 /* Returns 0 on success! */
1795 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
ac59d705
MC		 1796 BIO_printf(bio_err, "Error setting SRTP profile\n");
1797 ERR_print_errors(bio_err);
1798 goto end;
1799 }
1800 }
0f113f3e 1801#endif
7e1b7485 1802
2234212c 1803 if (exc != NULL)
0f113f3e 1804 ssl_ctx_set_excert(ctx, exc);
d02b48c6 1805
e481f9b9 1806#if !defined(OPENSSL_NO_NEXTPROTONEG)
2234212c 1807 if (next_proto.data != NULL)
0f113f3e 1808 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
e481f9b9 1809#endif
0f113f3e 1810 if (alpn_in) {
817cd0d5 1811 size_t alpn_len;
0f113f3e
MC		 1812 unsigned char *alpn = next_protos_parse(&alpn_len, alpn_in);
1813
1814 if (alpn == NULL) {
1815 BIO_printf(bio_err, "Error parsing -alpn argument\n");
1816 goto end;
1817 }
7e1b7485
RS		 1818 /* Returns 0 on success! */
1819 if (SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len) != 0) {
d6073e27 1820 BIO_printf(bio_err, "Error setting ALPN\n");
ac59d705
MC		 1821 goto end;
1822 }
0f113f3e
MC		 1823 OPENSSL_free(alpn);
1824 }
e481f9b9 1825
7e1b7485 1826 for (i = 0; i < serverinfo_count; i++) {
61986d32 1827 if (!SSL_CTX_add_client_custom_ext(ctx,
7e1b7485
RS		 1828 serverinfo_types[i],
1829 NULL, NULL, NULL,
1830 serverinfo_cli_parse_cb, NULL)) {
1831 BIO_printf(bio_err,
d6073e27
F		 1832 "Warning: Unable to add custom extension %u, skipping\n",
1833 serverinfo_types[i]);
ac59d705 1834 }
0f113f3e 1835 }
ee2ffc27 1836
0f113f3e
MC		 1837 if (state)
1838 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
d02b48c6 1839
dd696a55 1840#ifndef OPENSSL_NO_CT
43341433
VD		 1841 /* Enable SCT processing, without early connection termination */
1842 if (ct_validation &&
1843 !SSL_CTX_enable_ct(ctx, SSL_CT_VALIDATION_PERMISSIVE)) {
dd696a55
RP		 1844 ERR_print_errors(bio_err);
1845 goto end;
1846 }
1847
70073f3e 1848 if (!ctx_set_ctlog_list_file(ctx, ctlog_file)) {
43341433 1849 if (ct_validation) {
328f36c5
RP		 1850 ERR_print_errors(bio_err);
1851 goto end;
1852 }
1853
1854 /*
1855 * If CT validation is not enabled, the log list isn't needed so don't
1856 * show errors or abort. We try to load it regardless because then we
1857 * can show the names of the logs any SCTs came from (SCTs may be seen
1858 * even with validation disabled).
1859 */
1860 ERR_clear_error();
dd696a55
RP		 1861 }
1862#endif
1863
0f113f3e 1864 SSL_CTX_set_verify(ctx, verify, verify_callback);
d02b48c6 1865
2b6bcb70 1866 if (!ctx_set_verify_locations(ctx, CAfile, CApath, noCAfile, noCApath)) {
0f113f3e 1867 ERR_print_errors(bio_err);
7e1b7485 1868 goto end;
0f113f3e 1869 }
d02b48c6 1870
0f113f3e 1871 ssl_ctx_add_crls(ctx, crls, crl_download);
fdb78f3d 1872
0f113f3e
MC		 1873 if (!set_cert_key_stuff(ctx, cert, key, chain, build_chain))
1874 goto end;
74ecfab4 1875
11ba87f2 1876 if (!noservername) {
0f113f3e
MC		 1877 tlsextcbp.biodebug = bio_err;
1878 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1879 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1880 }
1881# ifndef OPENSSL_NO_SRP
1882 if (srp_arg.srplogin) {
1883 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin)) {
1884 BIO_printf(bio_err, "Unable to set SRP username\n");
1885 goto end;
1886 }
1887 srp_arg.msg = c_msg;
1888 srp_arg.debug = c_debug;
1889 SSL_CTX_set_srp_cb_arg(ctx, &srp_arg);
1890 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb);
1891 SSL_CTX_set_srp_strength(ctx, srp_arg.strength);
1892 if (c_msg || c_debug || srp_arg.amp == 0)
1893 SSL_CTX_set_srp_verify_param_callback(ctx,
1894 ssl_srp_verify_param_cb);
1895 }
1896# endif
0f113f3e 1897
cddd424a
VD		 1898 if (dane_tlsa_domain != NULL) {
1899 if (SSL_CTX_dane_enable(ctx) <= 0) {
1900 BIO_printf(bio_err,
d6073e27
F		 1901 "%s: Error enabling DANE TLSA authentication.\n",
1902 prog);
cddd424a
VD		 1903 ERR_print_errors(bio_err);
1904 goto end;
1905 }
1906 }
1907
be62b22b
MC		 1908 /*
1909 * In TLSv1.3 NewSessionTicket messages arrive after the handshake and can
1910 * come at any time. Therefore we use a callback to write out the session
1911 * when we know about it. This approach works for < TLSv1.3 as well.
1912 */
2234212c 1913 if (sess_out != NULL) {
be62b22b
MC		 1914 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_CLIENT
1915 | SSL_SESS_CACHE_NO_INTERNAL_STORE);
1916 SSL_CTX_sess_set_new_cb(ctx, new_session_cb);
1917 }
1918
4bf73e9f
PW		 1919 if (set_keylog_file(ctx, keylog_file))
1920 goto end;
1921
0f113f3e 1922 con = SSL_new(ctx);
f84a648c
K		 1923 if (con == NULL)
1924 goto end;
1925
9d75dce3
TS		 1926 if (force_pha)
1927 SSL_force_post_handshake_auth(con);
1928
2234212c 1929 if (sess_in != NULL) {
0f113f3e
MC		 1930 SSL_SESSION *sess;
1931 BIO *stmp = BIO_new_file(sess_in, "r");
2234212c 1932 if (stmp == NULL) {
0f113f3e
MC		 1933 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1934 ERR_print_errors(bio_err);
1935 goto end;
1936 }
1937 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1938 BIO_free(stmp);
2234212c 1939 if (sess == NULL) {
0f113f3e
MC		 1940 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1941 ERR_print_errors(bio_err);
1942 goto end;
1943 }
61986d32 1944 if (!SSL_set_session(con, sess)) {
ac59d705
MC		 1945 BIO_printf(bio_err, "Can't set session\n");
1946 ERR_print_errors(bio_err);
1947 goto end;
1948 }
b510b740 1949
0f113f3e
MC		 1950 SSL_SESSION_free(sess);
1951 }
1952
1953 if (fallback_scsv)
1954 SSL_set_mode(con, SSL_MODE_SEND_FALLBACK_SCSV);
cf6da053 1955
11ba87f2
MC		 1956 if (!noservername && (servername != NULL || dane_tlsa_domain == NULL)) {
1957 if (servername == NULL)
1958 servername = (host == NULL) ? "localhost" : host;
0f113f3e
MC		 1959 if (!SSL_set_tlsext_host_name(con, servername)) {
1960 BIO_printf(bio_err, "Unable to set TLS servername extension.\n");
1961 ERR_print_errors(bio_err);
1962 goto end;
1963 }
1964 }
d02b48c6 1965
cddd424a
VD		 1966 if (dane_tlsa_domain != NULL) {
1967 if (SSL_dane_enable(con, dane_tlsa_domain) <= 0) {
1968 BIO_printf(bio_err, "%s: Error enabling DANE TLSA "
1969 "authentication.\n", prog);
1970 ERR_print_errors(bio_err);
1971 goto end;
1972 }
1973 if (dane_tlsa_rrset == NULL) {
1974 BIO_printf(bio_err, "%s: DANE TLSA authentication requires at "
bc87fb6b 1975 "least one -dane_tlsa_rrdata option.\n", prog);
cddd424a
VD		 1976 goto end;
1977 }
1978 if (tlsa_import_rrset(con, dane_tlsa_rrset) <= 0) {
1979 BIO_printf(bio_err, "%s: Failed to import any TLSA "
1980 "records.\n", prog);
1981 goto end;
1982 }
c4fbed6c
VD		 1983 if (dane_ee_no_name)
1984 SSL_dane_set_flags(con, DANE_FLAG_NO_DANE_EE_NAMECHECKS);
cddd424a 1985 } else if (dane_tlsa_rrset != NULL) {
bde136c8
F		 1986 BIO_printf(bio_err, "%s: DANE TLSA authentication requires the "
1987 "-dane_tlsa_domain option.\n", prog);
1988 goto end;
cddd424a
VD		 1989 }
1990
0f113f3e 1991 re_start:
ebc01683
JH		 1992 if (init_client(&s, host, port, bindhost, bindport, socket_family,
1993 socket_type, protocol) == 0) {
0f113f3e 1994 BIO_printf(bio_err, "connect:errno=%d\n", get_last_socket_error());
8731a4fc 1995 BIO_closesocket(s);
0f113f3e
MC		 1996 goto end;
1997 }
1998 BIO_printf(bio_c_out, "CONNECTED(%08X)\n", s);
d02b48c6 1999
0f113f3e 2000 if (c_nbio) {
ba810815 2001 if (!BIO_socket_nbio(s, 1)) {
0f113f3e
MC		 2002 ERR_print_errors(bio_err);
2003 goto end;
2004 }
ba810815 2005 BIO_printf(bio_c_out, "Turned on non blocking io\n");
0f113f3e 2006 }
40a8e9c2 2007#ifndef OPENSSL_NO_DTLS
8ccc2377 2008 if (isdtls) {
642a166c 2009 union BIO_sock_info_u peer_info;
0f113f3e 2010
8ccc2377
MC		 2011#ifndef OPENSSL_NO_SCTP
2012 if (protocol == IPPROTO_SCTP)
2013 sbio = BIO_new_dgram_sctp(s, BIO_NOCLOSE);
2014 else
2015#endif
2016 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
2017
642a166c
RL		 2018 if ((peer_info.addr = BIO_ADDR_new()) == NULL) {
2019 BIO_printf(bio_err, "memory allocation failure\n");
2020 BIO_closesocket(s);
d6accd50 2021 goto end;
642a166c
RL		 2022 }
2023 if (!BIO_sock_info(s, BIO_SOCK_INFO_ADDRESS, &peer_info)) {
0f113f3e
MC		 2024 BIO_printf(bio_err, "getsockname:errno=%d\n",
2025 get_last_socket_error());
642a166c 2026 BIO_ADDR_free(peer_info.addr);
8731a4fc 2027 BIO_closesocket(s);
0f113f3e
MC		 2028 goto end;
2029 }
2030
642a166c
RL		 2031 (void)BIO_ctrl_set_connected(sbio, peer_info.addr);
2032 BIO_ADDR_free(peer_info.addr);
2033 peer_info.addr = NULL;
0f113f3e
MC		 2034
2035 if (enable_timeouts) {
2036 timeout.tv_sec = 0;
2037 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2038 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2039
2040 timeout.tv_sec = 0;
2041 timeout.tv_usec = DGRAM_SND_TIMEOUT;
2042 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2043 }
2044
2045 if (socket_mtu) {
2046 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
2047 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
2048 DTLS_get_link_min_mtu(con));
2049 BIO_free(sbio);
2050 goto shut;
2051 }
2052 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2053 if (!DTLS_set_link_mtu(con, socket_mtu)) {
2054 BIO_printf(bio_err, "Failed to set MTU\n");
2055 BIO_free(sbio);
2056 goto shut;
2057 }
2234212c 2058 } else {
0f113f3e
MC		 2059 /* want to do MTU discovery */
2060 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2234212c 2061 }
0f113f3e 2062 } else
40a8e9c2 2063#endif /* OPENSSL_NO_DTLS */
0f113f3e
MC		 2064 sbio = BIO_new_socket(s, BIO_NOCLOSE);
2065
2066 if (nbio_test) {
2067 BIO *test;
2068
2069 test = BIO_new(BIO_f_nbio_test());
2070 sbio = BIO_push(test, sbio);
2071 }
2072
2073 if (c_debug) {
0f113f3e
MC		 2074 BIO_set_callback(sbio, bio_dump_callback);
2075 BIO_set_callback_arg(sbio, (char *)bio_c_out);
2076 }
2077 if (c_msg) {
93ab9e42 2078#ifndef OPENSSL_NO_SSL_TRACE
0f113f3e
MC		 2079 if (c_msg == 2)
2080 SSL_set_msg_callback(con, SSL_trace);
2081 else
93ab9e42 2082#endif
0f113f3e
MC		 2083 SSL_set_msg_callback(con, msg_cb);
2084 SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out);
2085 }
e481f9b9 2086
0f113f3e
MC		 2087 if (c_tlsextdebug) {
2088 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2089 SSL_set_tlsext_debug_arg(con, bio_c_out);
2090 }
3e41ac35 2091#ifndef OPENSSL_NO_OCSP
0f113f3e
MC		 2092 if (c_status_req) {
2093 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
2094 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
2095 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
0f113f3e 2096 }
3e41ac35 2097#endif
0f113f3e
MC		 2098
2099 SSL_set_bio(con, sbio, sbio);
2100 SSL_set_connect_state(con);
2101
2102 /* ok, lets connect */
51e5133d
RL		 2103 if (fileno_stdin() > SSL_get_fd(con))
2104 width = fileno_stdin() + 1;
0d3b6583
RL		 2105 else
2106 width = SSL_get_fd(con) + 1;
51e5133d 2107
0f113f3e
MC		 2108 read_tty = 1;
2109 write_tty = 0;
2110 tty_on = 0;
2111 read_ssl = 1;
2112 write_ssl = 1;
2113
2114 cbuf_len = 0;
2115 cbuf_off = 0;
2116 sbuf_len = 0;
2117 sbuf_off = 0;
2118
7e1b7485
RS		 2119 switch ((PROTOCOL_CHOICE) starttls_proto) {
2120 case PROTO_OFF:
2121 break;
9576545a 2122 case PROTO_LMTP:
7e1b7485
RS		 2123 case PROTO_SMTP:
2124 {
2125 /*
2126 * This is an ugly hack that does a lot of assumptions. We do
2127 * have to handle multi-line responses which may come in a single
2128 * packet or not. We therefore have to use BIO_gets() which does
2129 * need a buffering BIO. So during the initial chitchat we do
2130 * push a buffering BIO into the chain that is removed again
2131 * later on to not disturb the rest of the s_client operation.
2132 */
2133 int foundit = 0;
2134 BIO *fbio = BIO_new(BIO_f_buffer());
20967afb 2135
7e1b7485 2136 BIO_push(fbio, sbio);
9576545a 2137 /* Wait for multi-line response to end from LMTP or SMTP */
7e1b7485
RS		 2138 do {
2139 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
20967afb 2140 } while (mbuf_len > 3 && mbuf[3] == '-');
8176431d
PY		 2141 if (protohost == NULL)
2142 protohost = "mail.example.com";
7524c520 2143 if (starttls_proto == (int)PROTO_LMTP)
8176431d 2144 BIO_printf(fbio, "LHLO %s\r\n", protohost);
7524c520 2145 else
8176431d 2146 BIO_printf(fbio, "EHLO %s\r\n", protohost);
7e1b7485 2147 (void)BIO_flush(fbio);
9576545a
RS		 2148 /*
2149 * Wait for multi-line response to end LHLO LMTP or EHLO SMTP
2150 * response.
2151 */
7e1b7485
RS		 2152 do {
2153 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2154 if (strstr(mbuf, "STARTTLS"))
2155 foundit = 1;
20967afb 2156 } while (mbuf_len > 3 && mbuf[3] == '-');
7e1b7485
RS		 2157 (void)BIO_flush(fbio);
2158 BIO_pop(fbio);
2159 BIO_free(fbio);
2160 if (!foundit)
2161 BIO_printf(bio_err,
20967afb 2162 "Didn't find STARTTLS in server response,"
c7944cf1 2163 " trying anyway...\n");
7e1b7485
RS		 2164 BIO_printf(sbio, "STARTTLS\r\n");
2165 BIO_read(sbio, sbuf, BUFSIZZ);
0f113f3e 2166 }
7e1b7485
RS		 2167 break;
2168 case PROTO_POP3:
2169 {
2170 BIO_read(sbio, mbuf, BUFSIZZ);
2171 BIO_printf(sbio, "STLS\r\n");
2172 mbuf_len = BIO_read(sbio, sbuf, BUFSIZZ);
2173 if (mbuf_len < 0) {
2174 BIO_printf(bio_err, "BIO_read failed\n");
2175 goto end;
2176 }
0f113f3e 2177 }
7e1b7485
RS		 2178 break;
2179 case PROTO_IMAP:
2180 {
2181 int foundit = 0;
2182 BIO *fbio = BIO_new(BIO_f_buffer());
20967afb 2183
7e1b7485
RS		 2184 BIO_push(fbio, sbio);
2185 BIO_gets(fbio, mbuf, BUFSIZZ);
2186 /* STARTTLS command requires CAPABILITY... */
2187 BIO_printf(fbio, ". CAPABILITY\r\n");
2188 (void)BIO_flush(fbio);
2189 /* wait for multi-line CAPABILITY response */
2190 do {
2191 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2192 if (strstr(mbuf, "STARTTLS"))
2193 foundit = 1;
2194 }
2195 while (mbuf_len > 3 && mbuf[0] != '.');
2196 (void)BIO_flush(fbio);
2197 BIO_pop(fbio);
2198 BIO_free(fbio);
2199 if (!foundit)
2200 BIO_printf(bio_err,
20967afb 2201 "Didn't find STARTTLS in server response,"
c7944cf1 2202 " trying anyway...\n");
7e1b7485
RS		 2203 BIO_printf(sbio, ". STARTTLS\r\n");
2204 BIO_read(sbio, sbuf, BUFSIZZ);
0f113f3e 2205 }
7e1b7485
RS		 2206 break;
2207 case PROTO_FTP:
2208 {
2209 BIO *fbio = BIO_new(BIO_f_buffer());
20967afb 2210
7e1b7485
RS		 2211 BIO_push(fbio, sbio);
2212 /* wait for multi-line response to end from FTP */
2213 do {
2214 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2215 }
2216 while (mbuf_len > 3 && mbuf[3] == '-');
2217 (void)BIO_flush(fbio);
2218 BIO_pop(fbio);
2219 BIO_free(fbio);
2220 BIO_printf(sbio, "AUTH TLS\r\n");
2221 BIO_read(sbio, sbuf, BUFSIZZ);
0f113f3e 2222 }
7e1b7485
RS		 2223 break;
2224 case PROTO_XMPP:
898ea7b8 2225 case PROTO_XMPP_SERVER:
0f113f3e 2226 {
7e1b7485
RS		 2227 int seen = 0;
2228 BIO_printf(sbio, "<stream:stream "
2229 "xmlns:stream='http://etherx.jabber.org/streams' "
898ea7b8
KE		 2230 "xmlns='jabber:%s' to='%s' version='1.0'>",
2231 starttls_proto == PROTO_XMPP ? "client" : "server",
8176431d 2232 protohost ? protohost : host);
0f113f3e 2233 seen = BIO_read(sbio, mbuf, BUFSIZZ);
20967afb
RS		 2234 if (seen < 0) {
2235 BIO_printf(bio_err, "BIO_read failed\n");
2236 goto end;
2237 }
2238 mbuf[seen] = '\0';
7e1b7485
RS		 2239 while (!strstr
2240 (mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")
2241 && !strstr(mbuf,
2242 "<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\""))
2243 {
2244 seen = BIO_read(sbio, mbuf, BUFSIZZ);
0f113f3e 2245
7e1b7485
RS		 2246 if (seen <= 0)
2247 goto shut;
0f113f3e 2248
20967afb 2249 mbuf[seen] = '\0';
7e1b7485
RS		 2250 }
2251 BIO_printf(sbio,
2252 "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
2253 seen = BIO_read(sbio, sbuf, BUFSIZZ);
20967afb
RS		 2254 if (seen < 0) {
2255 BIO_printf(bio_err, "BIO_read failed\n");
2256 goto shut;
2257 }
2258 sbuf[seen] = '\0';
7e1b7485
RS		 2259 if (!strstr(sbuf, "<proceed"))
2260 goto shut;
20967afb 2261 mbuf[0] = '\0';
0f113f3e 2262 }
7e1b7485 2263 break;
d8c25de5
RS		 2264 case PROTO_TELNET:
2265 {
2266 static const unsigned char tls_do[] = {
2267 /* IAC DO START_TLS */
2268 255, 253, 46
2269 };
2270 static const unsigned char tls_will[] = {
2271 /* IAC WILL START_TLS */
2272 255, 251, 46
2273 };
2274 static const unsigned char tls_follows[] = {
2275 /* IAC SB START_TLS FOLLOWS IAC SE */
2276 255, 250, 46, 1, 255, 240
2277 };
2278 int bytes;
2279
2280 /* Telnet server should demand we issue START_TLS */
2281 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
2282 if (bytes != 3 || memcmp(mbuf, tls_do, 3) != 0)
2283 goto shut;
2284 /* Agree to issue START_TLS and send the FOLLOWS sub-command */
2285 BIO_write(sbio, tls_will, 3);
2286 BIO_write(sbio, tls_follows, 6);
2287 (void)BIO_flush(sbio);
2288 /* Telnet server also sent the FOLLOWS sub-command */
2289 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
2290 if (bytes != 6 || memcmp(mbuf, tls_follows, 6) != 0)
2291 goto shut;
2292 }
552bf8ec
MT		 2293 break;
2294 case PROTO_CONNECT:
2295 {
ec2a0e60
RL		 2296 enum {
2297 error_proto, /* Wrong protocol, not even HTTP */
2298 error_connect, /* CONNECT failed */
2299 success
2300 } foundit = error_connect;
552bf8ec
MT		 2301 BIO *fbio = BIO_new(BIO_f_buffer());
2302
2303 BIO_push(fbio, sbio);
8230f6c7 2304 BIO_printf(fbio, "CONNECT %s HTTP/1.0\r\n\r\n", connectstr);
552bf8ec 2305 (void)BIO_flush(fbio);
ec2a0e60
RL		 2306 /*
2307 * The first line is the HTTP response. According to RFC 7230,
2308 * it's formated exactly like this:
2309 *
2310 * HTTP/d.d ddd Reason text\r\n
2311 */
2312 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
3dce1099
RS		 2313 if (mbuf_len < (int)strlen("HTTP/1.0 200")) {
2314 BIO_printf(bio_err,
2315 "%s: HTTP CONNECT failed, insufficient response "
2316 "from proxy (got %d octets)\n", prog, mbuf_len);
2317 (void)BIO_flush(fbio);
2318 BIO_pop(fbio);
2319 BIO_free(fbio);
2320 goto shut;
2321 }
ec2a0e60
RL		 2322 if (mbuf[8] != ' ') {
2323 BIO_printf(bio_err,
2324 "%s: HTTP CONNECT failed, incorrect response "
2325 "from proxy\n", prog);
2326 foundit = error_proto;
2327 } else if (mbuf[9] != '2') {
2328 BIO_printf(bio_err, "%s: HTTP CONNECT failed: %s ", prog,
2329 &mbuf[9]);
2330 } else {
2331 foundit = success;
2332 }
2333 if (foundit != error_proto) {
2334 /* Read past all following headers */
2335 do {
2336 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2337 } while (mbuf_len > 2);
2338 }
552bf8ec
MT		 2339 (void)BIO_flush(fbio);
2340 BIO_pop(fbio);
2341 BIO_free(fbio);
ec2a0e60 2342 if (foundit != success) {
552bf8ec
MT		 2343 goto shut;
2344 }
2345 }
2346 break;
cfb4f1ef
NPB		 2347 case PROTO_IRC:
2348 {
2349 int numeric;
2350 BIO *fbio = BIO_new(BIO_f_buffer());
2351
2352 BIO_push(fbio, sbio);
2353 BIO_printf(fbio, "STARTTLS\r\n");
2354 (void)BIO_flush(fbio);
2355 width = SSL_get_fd(con) + 1;
2356
2357 do {
2358 numeric = 0;
2359
2360 FD_ZERO(&readfds);
2361 openssl_fdset(SSL_get_fd(con), &readfds);
2362 timeout.tv_sec = S_CLIENT_IRC_READ_TIMEOUT;
2363 timeout.tv_usec = 0;
2364 /*
2365 * If the IRCd doesn't respond within
2366 * S_CLIENT_IRC_READ_TIMEOUT seconds, assume
2367 * it doesn't support STARTTLS. Many IRCds
2368 * will not give _any_ sort of response to a
2369 * STARTTLS command when it's not supported.
2370 */
2371 if (!BIO_get_buffer_num_lines(fbio)
2372 && !BIO_pending(fbio)
2373 && !BIO_pending(sbio)
2374 && select(width, (void *)&readfds, NULL, NULL,
2375 &timeout) < 1) {
2376 BIO_printf(bio_err,
2377 "Timeout waiting for response (%d seconds).\n",
2378 S_CLIENT_IRC_READ_TIMEOUT);
2379 break;
2380 }
2381
2382 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2383 if (mbuf_len < 1 || sscanf(mbuf, "%*s %d", &numeric) != 1)
2384 break;
2385 /* :example.net 451 STARTTLS :You have not registered */
2386 /* :example.net 421 STARTTLS :Unknown command */
2387 if ((numeric == 451 || numeric == 421)
2388 && strstr(mbuf, "STARTTLS") != NULL) {
2389 BIO_printf(bio_err, "STARTTLS not supported: %s", mbuf);
2390 break;
2391 }
2392 if (numeric == 691) {
2393 BIO_printf(bio_err, "STARTTLS negotiation failed: ");
2394 ERR_print_errors(bio_err);
2395 break;
2396 }
2397 } while (numeric != 670);
2398
2399 (void)BIO_flush(fbio);
2400 BIO_pop(fbio);
2401 BIO_free(fbio);
2402 if (numeric != 670) {
2403 BIO_printf(bio_err, "Server does not support STARTTLS.\n");
2404 ret = 1;
2405 goto shut;
2406 }
2407 }
b2e54eb8 2408 break;
a2d9cfba
KT		 2409 case PROTO_MYSQL:
2410 {
2411 /* SSL request packet */
2412 static const unsigned char ssl_req[] = {
2413 /* payload_length, sequence_id */
2414 0x20, 0x00, 0x00, 0x01,
2415 /* payload */
2416 /* capability flags, CLIENT_SSL always set */
2417 0x85, 0xae, 0x7f, 0x00,
2418 /* max-packet size */
2419 0x00, 0x00, 0x00, 0x01,
2420 /* character set */
2421 0x21,
2422 /* string[23] reserved (all [0]) */
2423 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
2424 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
2425 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
2426 };
2427 int bytes = 0;
2428 int ssl_flg = 0x800;
2429 int pos;
2430 const unsigned char *packet = (const unsigned char *)sbuf;
2431
2432 /* Receiving Initial Handshake packet. */
2433 bytes = BIO_read(sbio, (void *)packet, BUFSIZZ);
2434 if (bytes < 0) {
2435 BIO_printf(bio_err, "BIO_read failed\n");
2436 goto shut;
2437 /* Packet length[3], Packet number[1] + minimum payload[17] */
2438 } else if (bytes < 21) {
2439 BIO_printf(bio_err, "MySQL packet too short.\n");
2440 goto shut;
2441 } else if (bytes != (4 + packet[0] +
2442 (packet[1] << 8) +
2443 (packet[2] << 16))) {
2444 BIO_printf(bio_err, "MySQL packet length does not match.\n");
2445 goto shut;
2446 /* protocol version[1] */
2447 } else if (packet[4] != 0xA) {
2448 BIO_printf(bio_err,
2449 "Only MySQL protocol version 10 is supported.\n");
2450 goto shut;
2451 }
2452
2453 pos = 5;
2454 /* server version[string+NULL] */
2455 for (;;) {
2456 if (pos >= bytes) {
2457 BIO_printf(bio_err, "Cannot confirm server version. ");
2458 goto shut;
2459 } else if (packet[pos++] == '\0') {
2460 break;
2461 }
a2d9cfba
KT		 2462 }
2463
8530039a 2464 /* make sure we have at least 15 bytes left in the packet */
a2d9cfba
KT		 2465 if (pos + 15 > bytes) {
2466 BIO_printf(bio_err,
2467 "MySQL server handshake packet is broken.\n");
2468 goto shut;
2469 }
2470
2471 pos += 12; /* skip over conn id[4] + SALT[8] */
2472 if (packet[pos++] != '\0') { /* verify filler */
2473 BIO_printf(bio_err,
2474 "MySQL packet is broken.\n");
2475 goto shut;
2476 }
2477
2478 /* capability flags[2] */
2479 if (!((packet[pos] + (packet[pos + 1] << 8)) & ssl_flg)) {
2480 BIO_printf(bio_err, "MySQL server does not support SSL.\n");
2481 goto shut;
2482 }
2483
2484 /* Sending SSL Handshake packet. */
2485 BIO_write(sbio, ssl_req, sizeof(ssl_req));
2486 (void)BIO_flush(sbio);
2487 }
2488 break;
b2e54eb8
VV		 2489 case PROTO_POSTGRES:
2490 {
2491 static const unsigned char ssl_request[] = {
2492 /* Length SSLRequest */
2493 0, 0, 0, 8, 4, 210, 22, 47
2494 };
2495 int bytes;
2496
2497 /* Send SSLRequest packet */
2498 BIO_write(sbio, ssl_request, 8);
2499 (void)BIO_flush(sbio);
2500
2501 /* Reply will be a single S if SSL is enabled */
2502 bytes = BIO_read(sbio, sbuf, BUFSIZZ);
2503 if (bytes != 1 || sbuf[0] != 'S')
2504 goto shut;
2505 }
2506 break;
8f85aa6b
RS		 2507 case PROTO_NNTP:
2508 {
2509 int foundit = 0;
2510 BIO *fbio = BIO_new(BIO_f_buffer());
2511
2512 BIO_push(fbio, sbio);
2513 BIO_gets(fbio, mbuf, BUFSIZZ);
2514 /* STARTTLS command requires CAPABILITIES... */
2515 BIO_printf(fbio, "CAPABILITIES\r\n");
2516 (void)BIO_flush(fbio);
2517 /* wait for multi-line CAPABILITIES response */
2518 do {
2519 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2520 if (strstr(mbuf, "STARTTLS"))
2521 foundit = 1;
2522 } while (mbuf_len > 1 && mbuf[0] != '.');
2523 (void)BIO_flush(fbio);
2524 BIO_pop(fbio);
2525 BIO_free(fbio);
2526 if (!foundit)
2527 BIO_printf(bio_err,
2528 "Didn't find STARTTLS in server response,"
2529 " trying anyway...\n");
2530 BIO_printf(sbio, "STARTTLS\r\n");
af7e05c7
RS		 2531 mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ);
2532 if (mbuf_len < 0) {
2533 BIO_printf(bio_err, "BIO_read failed\n");
2534 goto end;
2535 }
2536 mbuf[mbuf_len] = '\0';
2537 if (strstr(mbuf, "382") == NULL) {
2538 BIO_printf(bio_err, "STARTTLS failed: %s", mbuf);
2539 goto shut;
2540 }
8f85aa6b
RS		 2541 }
2542 break;
20967afb
RS		 2543 case PROTO_SIEVE:
2544 {
2545 int foundit = 0;
2546 BIO *fbio = BIO_new(BIO_f_buffer());
2547
2548 BIO_push(fbio, sbio);
2549 /* wait for multi-line response to end from Sieve */
2550 do {
2551 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2552 /*
2553 * According to RFC 5804 § 1.7, capability
2554 * is case-insensitive, make it uppercase
2555 */
2556 if (mbuf_len > 1 && mbuf[0] == '"') {
2557 make_uppercase(mbuf);
2558 if (strncmp(mbuf, "\"STARTTLS\"", 10) == 0)
2559 foundit = 1;
2560 }
2561 } while (mbuf_len > 1 && mbuf[0] == '"');
2562 (void)BIO_flush(fbio);
2563 BIO_pop(fbio);
2564 BIO_free(fbio);
2565 if (!foundit)
2566 BIO_printf(bio_err,
2567 "Didn't find STARTTLS in server response,"
2568 " trying anyway...\n");
2569 BIO_printf(sbio, "STARTTLS\r\n");
2570 mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ);
2571 if (mbuf_len < 0) {
2572 BIO_printf(bio_err, "BIO_read failed\n");
2573 goto end;
af7e05c7
RS		 2574 }
2575 mbuf[mbuf_len] = '\0';
2576 if (mbuf_len < 2) {
2577 BIO_printf(bio_err, "STARTTLS failed: %s", mbuf);
20967afb
RS		 2578 goto shut;
2579 }
2580 /*
2581 * According to RFC 5804 § 2.2, response codes are case-
2582 * insensitive, make it uppercase but preserve the response.
2583 */
20967afb
RS		 2584 strncpy(sbuf, mbuf, 2);
2585 make_uppercase(sbuf);
2586 if (strncmp(sbuf, "OK", 2) != 0) {
2587 BIO_printf(bio_err, "STARTTLS not supported: %s", mbuf);
2588 goto shut;
2589 }
2590 }
2591 break;
398b0bbd
RS		 2592 case PROTO_LDAP:
2593 {
2594 /* StartTLS Operation according to RFC 4511 */
2595 static char ldap_tls_genconf[] = "asn1=SEQUENCE:LDAPMessage\n"
2596 "[LDAPMessage]\n"
2597 "messageID=INTEGER:1\n"
2598 "extendedReq=EXPLICIT:23A,IMPLICIT:0C,"
2599 "FORMAT:ASCII,OCT:1.3.6.1.4.1.1466.20037\n";
2600 long errline = -1;
2601 char *genstr = NULL;
2602 int result = -1;
2603 ASN1_TYPE *atyp = NULL;
2604 BIO *ldapbio = BIO_new(BIO_s_mem());
2605 CONF *cnf = NCONF_new(NULL);
2606
2607 if (cnf == NULL) {
2608 BIO_free(ldapbio);
2609 goto end;
2610 }
2611 BIO_puts(ldapbio, ldap_tls_genconf);
2612 if (NCONF_load_bio(cnf, ldapbio, &errline) <= 0) {
2613 BIO_free(ldapbio);
2614 NCONF_free(cnf);
2615 if (errline <= 0) {
2616 BIO_printf(bio_err, "NCONF_load_bio failed\n");
2617 goto end;
2618 } else {
2619 BIO_printf(bio_err, "Error on line %ld\n", errline);
2620 goto end;
2621 }
2622 }
2623 BIO_free(ldapbio);
2624 genstr = NCONF_get_string(cnf, "default", "asn1");
2625 if (genstr == NULL) {
2626 NCONF_free(cnf);
2627 BIO_printf(bio_err, "NCONF_get_string failed\n");
2628 goto end;
2629 }
2630 atyp = ASN1_generate_nconf(genstr, cnf);
2631 if (atyp == NULL) {
2632 NCONF_free(cnf);
2633 BIO_printf(bio_err, "ASN1_generate_nconf failed\n");
2634 goto end;
2635 }
2636 NCONF_free(cnf);
2637
2638 /* Send SSLRequest packet */
2639 BIO_write(sbio, atyp->value.sequence->data,
2640 atyp->value.sequence->length);
2641 (void)BIO_flush(sbio);
2642 ASN1_TYPE_free(atyp);
2643
2644 mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ);
2645 if (mbuf_len < 0) {
2646 BIO_printf(bio_err, "BIO_read failed\n");
2647 goto end;
2648 }
2649 result = ldap_ExtendedResponse_parse(mbuf, mbuf_len);
2650 if (result < 0) {
2651 BIO_printf(bio_err, "ldap_ExtendedResponse_parse failed\n");
2652 goto shut;
2653 } else if (result > 0) {
2654 BIO_printf(bio_err, "STARTTLS failed, LDAP Result Code: %i\n",
2655 result);
2656 goto shut;
2657 }
2658 mbuf_len = 0;
2659 }
2660 break;
0f113f3e
MC		 2661 }
2662
0a5ece5b 2663 if (early_data_file != NULL
add8d0e9
MC		 2664 && ((SSL_get0_session(con) != NULL
2665 && SSL_SESSION_get_max_early_data(SSL_get0_session(con)) > 0)
2666 || (psksess != NULL
2667 && SSL_SESSION_get_max_early_data(psksess) > 0))) {
923ac827
MC		 2668 BIO *edfile = BIO_new_file(early_data_file, "r");
2669 size_t readbytes, writtenbytes;
2670 int finish = 0;
2671
2672 if (edfile == NULL) {
2673 BIO_printf(bio_err, "Cannot open early data file\n");
2674 goto shut;
2675 }
2676
2677 while (!finish) {
2678 if (!BIO_read_ex(edfile, cbuf, BUFSIZZ, &readbytes))
2679 finish = 1;
2680
0665b4ed 2681 while (!SSL_write_early_data(con, cbuf, readbytes, &writtenbytes)) {
923ac827
MC		 2682 switch (SSL_get_error(con, 0)) {
2683 case SSL_ERROR_WANT_WRITE:
2684 case SSL_ERROR_WANT_ASYNC:
2685 case SSL_ERROR_WANT_READ:
2686 /* Just keep trying - busy waiting */
2687 continue;
2688 default:
2689 BIO_printf(bio_err, "Error writing early data\n");
2690 BIO_free(edfile);
dd5b98c5 2691 ERR_print_errors(bio_err);
923ac827
MC		 2692 goto shut;
2693 }
2694 }
2695 }
2696
2697 BIO_free(edfile);
2698 }
2699
0f113f3e
MC		 2700 for (;;) {
2701 FD_ZERO(&readfds);
2702 FD_ZERO(&writefds);
2703
2704 if ((SSL_version(con) == DTLS1_VERSION) &&
2705 DTLSv1_get_timeout(con, &timeout))
2706 timeoutp = &timeout;
2707 else
2708 timeoutp = NULL;
2709
12557a34 2710 if (!SSL_is_init_finished(con) && SSL_total_renegotiations(con) == 0
b07b2a1b 2711 && SSL_get_key_update_type(con) == SSL_KEY_UPDATE_NONE) {
0f113f3e
MC		 2712 in_init = 1;
2713 tty_on = 0;
2714 } else {
2715 tty_on = 1;
2716 if (in_init) {
2717 in_init = 0;
e481f9b9 2718
0f113f3e
MC		 2719 if (c_brief) {
2720 BIO_puts(bio_err, "CONNECTION ESTABLISHED\n");
ecf3a1fb 2721 print_ssl_summary(con);
0f113f3e
MC		 2722 }
2723
0d4d5ab8 2724 print_stuff(bio_c_out, con, full_log);
0f113f3e
MC		 2725 if (full_log > 0)
2726 full_log--;
2727
2728 if (starttls_proto) {
7e1b7485 2729 BIO_write(bio_err, mbuf, mbuf_len);
0f113f3e 2730 /* We don't need to know any more */
7e1b7485
RS		 2731 if (!reconnect)
2732 starttls_proto = PROTO_OFF;
0f113f3e
MC		 2733 }
2734
2735 if (reconnect) {
2736 reconnect--;
2737 BIO_printf(bio_c_out,
2738 "drop connection and then reconnect\n");
ec447924 2739 do_ssl_shutdown(con);
0f113f3e 2740 SSL_set_connect_state(con);
8731a4fc 2741 BIO_closesocket(SSL_get_fd(con));
0f113f3e
MC		 2742 goto re_start;
2743 }
2744 }
2745 }
2746
fd068d50 2747 ssl_pending = read_ssl && SSL_has_pending(con);
0f113f3e
MC		 2748
2749 if (!ssl_pending) {
1fbab1dc 2750#if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
0f113f3e 2751 if (tty_on) {
a3ef2c16
JD		 2752 /*
2753 * Note that select() returns when read _would not block_,
2754 * and EOF satisfies that. To avoid a CPU-hogging loop,
2755 * set the flag so we exit.
2756 */
2757 if (read_tty && !at_eof)
51e5133d
RL		 2758 openssl_fdset(fileno_stdin(), &readfds);
2759#if !defined(OPENSSL_SYS_VMS)
0f113f3e 2760 if (write_tty)
51e5133d 2761 openssl_fdset(fileno_stdout(), &writefds);
0d3b6583 2762#endif
0f113f3e
MC		 2763 }
2764 if (read_ssl)
2765 openssl_fdset(SSL_get_fd(con), &readfds);
2766 if (write_ssl)
2767 openssl_fdset(SSL_get_fd(con), &writefds);
06f4536a 2768#else
0f113f3e
MC		 2769 if (!tty_on || !write_tty) {
2770 if (read_ssl)
2771 openssl_fdset(SSL_get_fd(con), &readfds);
2772 if (write_ssl)
2773 openssl_fdset(SSL_get_fd(con), &writefds);
2774 }
2775#endif
0f113f3e
MC		 2776
2777 /*
2778 * Note: under VMS with SOCKETSHR the second parameter is
2779 * currently of type (int *) whereas under other systems it is
2780 * (void *) if you don't have a cast it will choke the compiler:
2781 * if you do have a cast then you can either go for (int *) or
2782 * (void *).
2783 */
3d7c4a5a 2784#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
0f113f3e
MC		 2785 /*
2786 * Under Windows/DOS we make the assumption that we can always
2787 * write to the tty: therefore if we need to write to the tty we
2788 * just fall through. Otherwise we timeout the select every
2789 * second and see if there are any keypresses. Note: this is a
2790 * hack, in a proper Windows application we wouldn't do this.
2791 */
2792 i = 0;
2793 if (!write_tty) {
2794 if (read_tty) {
2795 tv.tv_sec = 1;
2796 tv.tv_usec = 0;
2797 i = select(width, (void *)&readfds, (void *)&writefds,
2798 NULL, &tv);
75dd6c1a 2799 if (!i && (!has_stdin_waiting() || !read_tty))
0f113f3e 2800 continue;
0f113f3e
MC		 2801 } else
2802 i = select(width, (void *)&readfds, (void *)&writefds,
2803 NULL, timeoutp);
2804 }
06f4536a 2805#else
0f113f3e
MC		 2806 i = select(width, (void *)&readfds, (void *)&writefds,
2807 NULL, timeoutp);
2808#endif
2809 if (i < 0) {
2810 BIO_printf(bio_err, "bad select %d\n",
2811 get_last_socket_error());
2812 goto shut;
0f113f3e
MC		 2813 }
2814 }
2815
2816 if ((SSL_version(con) == DTLS1_VERSION)
2817 && DTLSv1_handle_timeout(con) > 0) {
2818 BIO_printf(bio_err, "TIMEOUT occurred\n");
2819 }
2820
2821 if (!ssl_pending && FD_ISSET(SSL_get_fd(con), &writefds)) {
2822 k = SSL_write(con, &(cbuf[cbuf_off]), (unsigned int)cbuf_len);
2823 switch (SSL_get_error(con, k)) {
2824 case SSL_ERROR_NONE:
2825 cbuf_off += k;
2826 cbuf_len -= k;
2827 if (k <= 0)
2828 goto end;
2829 /* we have done a write(con,NULL,0); */
2830 if (cbuf_len <= 0) {
2831 read_tty = 1;
2832 write_ssl = 0;
2833 } else { /* if (cbuf_len > 0) */
2834
2835 read_tty = 0;
2836 write_ssl = 1;
2837 }
2838 break;
2839 case SSL_ERROR_WANT_WRITE:
2840 BIO_printf(bio_c_out, "write W BLOCK\n");
2841 write_ssl = 1;
2842 read_tty = 0;
2843 break;
7e25dd6d
MC		 2844 case SSL_ERROR_WANT_ASYNC:
2845 BIO_printf(bio_c_out, "write A BLOCK\n");
e1b9840e 2846 wait_for_async(con);
7e25dd6d
MC		 2847 write_ssl = 1;
2848 read_tty = 0;
2849 break;
0f113f3e
MC		 2850 case SSL_ERROR_WANT_READ:
2851 BIO_printf(bio_c_out, "write R BLOCK\n");
2852 write_tty = 0;
2853 read_ssl = 1;
2854 write_ssl = 0;
2855 break;
2856 case SSL_ERROR_WANT_X509_LOOKUP:
2857 BIO_printf(bio_c_out, "write X BLOCK\n");
2858 break;
2859 case SSL_ERROR_ZERO_RETURN:
2860 if (cbuf_len != 0) {
2861 BIO_printf(bio_c_out, "shutdown\n");
2862 ret = 0;
2863 goto shut;
2864 } else {
2865 read_tty = 1;
2866 write_ssl = 0;
2867 break;
2868 }
2869
2870 case SSL_ERROR_SYSCALL:
2871 if ((k != 0) || (cbuf_len != 0)) {
2872 BIO_printf(bio_err, "write:errno=%d\n",
2873 get_last_socket_error());
2874 goto shut;
2875 } else {
2876 read_tty = 1;
2877 write_ssl = 0;
2878 }
2879 break;
fc7f190c
MC		 2880 case SSL_ERROR_WANT_ASYNC_JOB:
2881 /* This shouldn't ever happen in s_client - treat as an error */
0f113f3e
MC		 2882 case SSL_ERROR_SSL:
2883 ERR_print_errors(bio_err);
2884 goto shut;
2885 }
2886 }
c7bdb6a3 2887#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_VMS)
0f113f3e
MC		 2888 /* Assume Windows/DOS/BeOS can always write */
2889 else if (!ssl_pending && write_tty)
06f4536a 2890#else
51e5133d 2891 else if (!ssl_pending && FD_ISSET(fileno_stdout(), &writefds))
06f4536a 2892#endif
0f113f3e 2893 {
a53955d8 2894#ifdef CHARSET_EBCDIC
0f113f3e
MC		 2895 ascii2ebcdic(&(sbuf[sbuf_off]), &(sbuf[sbuf_off]), sbuf_len);
2896#endif
2897 i = raw_write_stdout(&(sbuf[sbuf_off]), sbuf_len);
2898
2899 if (i <= 0) {
2900 BIO_printf(bio_c_out, "DONE\n");
2901 ret = 0;
2902 goto shut;
0f113f3e
MC		 2903 }
2904
0fe2a0af 2905 sbuf_len -= i;
0f113f3e
MC		 2906 sbuf_off += i;
2907 if (sbuf_len <= 0) {
2908 read_ssl = 1;
2909 write_tty = 0;
2910 }
2911 } else if (ssl_pending || FD_ISSET(SSL_get_fd(con), &readfds)) {
58964a49 2912#ifdef RENEG
0f113f3e
MC		 2913 {
2914 static int iiii;
2915 if (++iiii == 52) {
2916 SSL_renegotiate(con);
2917 iiii = 0;
2918 }
2919 }
58964a49 2920#endif
0f113f3e 2921 k = SSL_read(con, sbuf, 1024 /* BUFSIZZ */ );
0f113f3e
MC		 2922
2923 switch (SSL_get_error(con, k)) {
2924 case SSL_ERROR_NONE:
2925 if (k <= 0)
2926 goto end;
2927 sbuf_off = 0;
2928 sbuf_len = k;
2929
2930 read_ssl = 0;
2931 write_tty = 1;
2932 break;
7e25dd6d
MC		 2933 case SSL_ERROR_WANT_ASYNC:
2934 BIO_printf(bio_c_out, "read A BLOCK\n");
e1b9840e 2935 wait_for_async(con);
7e25dd6d
MC		 2936 write_tty = 0;
2937 read_ssl = 1;
2938 if ((read_tty == 0) && (write_ssl == 0))
2939 write_ssl = 1;
2940 break;
0f113f3e
MC		 2941 case SSL_ERROR_WANT_WRITE:
2942 BIO_printf(bio_c_out, "read W BLOCK\n");
2943 write_ssl = 1;
2944 read_tty = 0;
2945 break;
2946 case SSL_ERROR_WANT_READ:
2947 BIO_printf(bio_c_out, "read R BLOCK\n");
2948 write_tty = 0;
2949 read_ssl = 1;
2950 if ((read_tty == 0) && (write_ssl == 0))
2951 write_ssl = 1;
2952 break;
2953 case SSL_ERROR_WANT_X509_LOOKUP:
2954 BIO_printf(bio_c_out, "read X BLOCK\n");
2955 break;
2956 case SSL_ERROR_SYSCALL:
2957 ret = get_last_socket_error();
2958 if (c_brief)
2959 BIO_puts(bio_err, "CONNECTION CLOSED BY SERVER\n");
2960 else
2961 BIO_printf(bio_err, "read:errno=%d\n", ret);
2962 goto shut;
2963 case SSL_ERROR_ZERO_RETURN:
2964 BIO_printf(bio_c_out, "closed\n");
2965 ret = 0;
2966 goto shut;
fc7f190c
MC		 2967 case SSL_ERROR_WANT_ASYNC_JOB:
2968 /* This shouldn't ever happen in s_client. Treat as an error */
0f113f3e
MC		 2969 case SSL_ERROR_SSL:
2970 ERR_print_errors(bio_err);
2971 goto shut;
0f113f3e
MC		 2972 }
2973 }
75dd6c1a
MC		 2974/* OPENSSL_SYS_MSDOS includes OPENSSL_SYS_WINDOWS */
2975#if defined(OPENSSL_SYS_MSDOS)
2976 else if (has_stdin_waiting())
06f4536a 2977#else
51e5133d 2978 else if (FD_ISSET(fileno_stdin(), &readfds))
0f113f3e
MC		 2979#endif
2980 {
2981 if (crlf) {
2982 int j, lf_num;
2983
2984 i = raw_read_stdin(cbuf, BUFSIZZ / 2);
2985 lf_num = 0;
2986 /* both loops are skipped when i <= 0 */
2987 for (j = 0; j < i; j++)
2988 if (cbuf[j] == '\n')
2989 lf_num++;
2990 for (j = i - 1; j >= 0; j--) {
2991 cbuf[j + lf_num] = cbuf[j];
2992 if (cbuf[j] == '\n') {
2993 lf_num--;
2994 i++;
2995 cbuf[j + lf_num] = '\r';
2996 }
2997 }
2998 assert(lf_num == 0);
51e5133d 2999 } else
c7bdb6a3 3000 i = raw_read_stdin(cbuf, BUFSIZZ);
d485640b 3001#if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
a3ef2c16
JD		 3002 if (i == 0)
3003 at_eof = 1;
d485640b 3004#endif
a3ef2c16 3005
6ba8a5b7 3006 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q' && cmdletters))) {
0f113f3e
MC		 3007 BIO_printf(bio_err, "DONE\n");
3008 ret = 0;
3009 goto shut;
3010 }
3011
6ba8a5b7 3012 if ((!c_ign_eof) && (cbuf[0] == 'R' && cmdletters)) {
0f113f3e
MC		 3013 BIO_printf(bio_err, "RENEGOTIATING\n");
3014 SSL_renegotiate(con);
3015 cbuf_len = 0;
3016 }
b07b2a1b 3017
f14afcaa
MC		 3018 if (!c_ign_eof && (cbuf[0] == 'K' || cbuf[0] == 'k' )
3019 && cmdletters) {
b07b2a1b
MC		 3020 BIO_printf(bio_err, "KEYUPDATE\n");
3021 SSL_key_update(con,
3022 cbuf[0] == 'K' ? SSL_KEY_UPDATE_REQUESTED
3023 : SSL_KEY_UPDATE_NOT_REQUESTED);
3024 cbuf_len = 0;
3025 }
b612799a
RL		 3026#ifndef OPENSSL_NO_HEARTBEATS
3027 else if ((!c_ign_eof) && (cbuf[0] == 'B' && cmdletters)) {
3028 BIO_printf(bio_err, "HEARTBEATING\n");
3029 SSL_heartbeat(con);
3030 cbuf_len = 0;
3031 }
3032#endif
0f113f3e
MC		 3033 else {
3034 cbuf_len = i;
3035 cbuf_off = 0;
a53955d8 3036#ifdef CHARSET_EBCDIC
0f113f3e
MC		 3037 ebcdic2ascii(cbuf, cbuf, i);
3038#endif
3039 }
3040
3041 write_ssl = 1;
3042 read_tty = 0;
3043 }
3044 }
3045
3046 ret = 0;
3047 shut:
3048 if (in_init)
0d4d5ab8 3049 print_stuff(bio_c_out, con, full_log);
ec447924 3050 do_ssl_shutdown(con);
27da42d8 3051
cb2e10f2
MC		 3052 /*
3053 * Give the socket time to send its last data before we close it.
3054 * No amount of setting SO_LINGER etc on the socket seems to persuade
3055 * Windows to send the data before closing the socket...but sleeping
3056 * for a short time seems to do it (units in ms)
3057 * TODO: Find a better way to do this
3058 */
27da42d8 3059#if defined(OPENSSL_SYS_WINDOWS)
cb2e10f2 3060 Sleep(50);
27da42d8
RL		 3061#elif defined(OPENSSL_SYS_CYGWIN)
3062 usleep(50000);
cb2e10f2 3063#endif
27da42d8 3064
26ec943e
BE		 3065 /*
3066 * If we ended with an alert being sent, but still with data in the
3067 * network buffer to be read, then calling BIO_closesocket() will
3068 * result in a TCP-RST being sent. On some platforms (notably
3069 * Windows) then this will result in the peer immediately abandoning
3070 * the connection including any buffered alert data before it has
3071 * had a chance to be read. Shutting down the sending side first,
3072 * and then closing the socket sends TCP-FIN first followed by
3073 * TCP-RST. This seems to allow the peer to read the alert data.
3074 */
3075 shutdown(SSL_get_fd(con), 1); /* SHUT_WR */
8731a4fc 3076 BIO_closesocket(SSL_get_fd(con));
0f113f3e
MC		 3077 end:
3078 if (con != NULL) {
3079 if (prexit != 0)
0d4d5ab8 3080 print_stuff(bio_c_out, con, 1);
0f113f3e
MC		 3081 SSL_free(con);
3082 }
9561e2a1 3083 SSL_SESSION_free(psksess);
e481f9b9 3084#if !defined(OPENSSL_NO_NEXTPROTONEG)
b548a1f1 3085 OPENSSL_free(next_proto.data);
0f113f3e 3086#endif
62adbcee 3087 SSL_CTX_free(ctx);
4bf73e9f 3088 set_keylog_file(NULL, NULL);
222561fe 3089 X509_free(cert);
4b45c6e5 3090 sk_X509_CRL_pop_free(crls, X509_CRL_free);
c5ba2d99 3091 EVP_PKEY_free(key);
222561fe 3092 sk_X509_pop_free(chain, X509_free);
b548a1f1 3093 OPENSSL_free(pass);
d40a1f72
DSH		 3094#ifndef OPENSSL_NO_SRP
3095 OPENSSL_free(srp_arg.srppassin);
3096#endif
eb67172a 3097 OPENSSL_free(connectstr);
ebc01683 3098 OPENSSL_free(bindstr);
ab69ac00
RL		 3099 OPENSSL_free(host);
3100 OPENSSL_free(port);
222561fe 3101 X509_VERIFY_PARAM_free(vpm);
0f113f3e 3102 ssl_excert_free(exc);
7e1b7485 3103 sk_OPENSSL_STRING_free(ssl_args);
cddd424a 3104 sk_OPENSSL_STRING_free(dane_tlsa_rrset);
62adbcee 3105 SSL_CONF_CTX_free(cctx);
4b45c6e5
RS		 3106 OPENSSL_clear_free(cbuf, BUFSIZZ);
3107 OPENSSL_clear_free(sbuf, BUFSIZZ);
3108 OPENSSL_clear_free(mbuf, BUFSIZZ);
dd1abd44 3109 release_engine(e);
ca3a82c3
RS		 3110 BIO_free(bio_c_out);
3111 bio_c_out = NULL;
3112 BIO_free(bio_c_msg);
3113 bio_c_msg = NULL;
26a7d938 3114 return ret;
0f113f3e 3115}
d02b48c6 3116
0d4d5ab8 3117static void print_stuff(BIO *bio, SSL *s, int full)
0f113f3e
MC		 3118{
3119 X509 *peer = NULL;
0f113f3e 3120 STACK_OF(X509) *sk;
0f113f3e 3121 const SSL_CIPHER *c;
0f113f3e 3122 int i;
09b6c2ef 3123#ifndef OPENSSL_NO_COMP
0f113f3e
MC		 3124 const COMP_METHOD *comp, *expansion;
3125#endif
3126 unsigned char *exportedkeymat;
dd696a55 3127#ifndef OPENSSL_NO_CT
0d4d5ab8 3128 const SSL_CTX *ctx = SSL_get_SSL_CTX(s);
b5369582 3129#endif
0f113f3e
MC		 3130
3131 if (full) {
3132 int got_a_chain = 0;
3133
3134 sk = SSL_get_peer_cert_chain(s);
3135 if (sk != NULL) {
7e1b7485 3136 got_a_chain = 1;
0f113f3e
MC		 3137
3138 BIO_printf(bio, "---\nCertificate chain\n");
3139 for (i = 0; i < sk_X509_num(sk); i++) {
b5c4209b
DB		 3140 BIO_printf(bio, "%2d s:", i);
3141 X509_NAME_print_ex(bio, X509_get_subject_name(sk_X509_value(sk, i)), 0, get_nameopt());
3142 BIO_puts(bio, "\n");
3143 BIO_printf(bio, " i:");
3144 X509_NAME_print_ex(bio, X509_get_issuer_name(sk_X509_value(sk, i)), 0, get_nameopt());
3145 BIO_puts(bio, "\n");
0f113f3e
MC		 3146 if (c_showcerts)
3147 PEM_write_bio_X509(bio, sk_X509_value(sk, i));
3148 }
3149 }
3150
3151 BIO_printf(bio, "---\n");
3152 peer = SSL_get_peer_certificate(s);
3153 if (peer != NULL) {
3154 BIO_printf(bio, "Server certificate\n");
3155
3156 /* Redundant if we showed the whole chain */
3157 if (!(c_showcerts && got_a_chain))
3158 PEM_write_bio_X509(bio, peer);
b5c4209b 3159 dump_cert_text(bio, peer);
0f113f3e 3160 } else {
5969a2dd 3161 BIO_printf(bio, "no peer certificate available\n");
0f113f3e 3162 }
5969a2dd 3163 print_ca_names(bio, s);
0f113f3e
MC		 3164
3165 ssl_print_sigalgs(bio, s);
3166 ssl_print_tmp_key(bio, s);
3167
dd696a55 3168#ifndef OPENSSL_NO_CT
43341433
VD		 3169 /*
3170 * When the SSL session is anonymous, or resumed via an abbreviated
3171 * handshake, no SCTs are provided as part of the handshake. While in
3172 * a resumed session SCTs may be present in the session's certificate,
3173 * no callbacks are invoked to revalidate these, and in any case that
3174 * set of SCTs may be incomplete. Thus it makes little sense to
3175 * attempt to display SCTs from a resumed session's certificate, and of
3176 * course none are associated with an anonymous peer.
3177 */
3178 if (peer != NULL && !SSL_session_reused(s) && SSL_ct_is_enabled(s)) {
3179 const STACK_OF(SCT) *scts = SSL_get0_peer_scts(s);
3180 int sct_count = scts != NULL ? sk_SCT_num(scts) : 0;
3181
3182 BIO_printf(bio, "---\nSCTs present (%i)\n", sct_count);
3183 if (sct_count > 0) {
3184 const CTLOG_STORE *log_store = SSL_CTX_get0_ctlog_store(ctx);
3185
3186 BIO_printf(bio, "---\n");
3187 for (i = 0; i < sct_count; ++i) {
3188 SCT *sct = sk_SCT_value(scts, i);
3189
3190 BIO_printf(bio, "SCT validation status: %s\n",
3191 SCT_validation_status_string(sct));
3192 SCT_print(sct, bio, 0, log_store);
3193 if (i < sct_count - 1)
3194 BIO_printf(bio, "\n---\n");
3195 }
3196 BIO_printf(bio, "\n");
3197 }
6bea2a72 3198 }
dd696a55
RP		 3199#endif
3200
0f113f3e 3201 BIO_printf(bio,
7d672984
AP		 3202 "---\nSSL handshake has read %ju bytes "
3203 "and written %ju bytes\n",
12997aa9
RS		 3204 BIO_number_read(SSL_get_rbio(s)),
3205 BIO_number_written(SSL_get_wbio(s)));
0f113f3e 3206 }
c0a445a9 3207 print_verify_detail(s, bio);
b577fd0b 3208 BIO_printf(bio, (SSL_session_reused(s) ? "---\nReused, " : "---\nNew, "));
0f113f3e
MC		 3209 c = SSL_get_current_cipher(s);
3210 BIO_printf(bio, "%s, Cipher is %s\n",
3211 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
3212 if (peer != NULL) {
3213 EVP_PKEY *pktmp;
bde136c8 3214
c01ff880 3215 pktmp = X509_get0_pubkey(peer);
0f113f3e
MC		 3216 BIO_printf(bio, "Server public key is %d bit\n",
3217 EVP_PKEY_bits(pktmp));
0f113f3e
MC		 3218 }
3219 BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
3220 SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
09b6c2ef 3221#ifndef OPENSSL_NO_COMP
0f113f3e
MC		 3222 comp = SSL_get_current_compression(s);
3223 expansion = SSL_get_current_expansion(s);
3224 BIO_printf(bio, "Compression: %s\n",
3225 comp ? SSL_COMP_get_name(comp) : "NONE");
3226 BIO_printf(bio, "Expansion: %s\n",
3227 expansion ? SSL_COMP_get_name(expansion) : "NONE");
3228#endif
3229
57559471 3230#ifdef SSL_DEBUG
0f113f3e
MC		 3231 {
3232 /* Print out local port of connection: useful for debugging */
3233 int sock;
642a166c
RL		 3234 union BIO_sock_info_u info;
3235
0f113f3e 3236 sock = SSL_get_fd(s);
642a166c
RL		 3237 if ((info.addr = BIO_ADDR_new()) != NULL
3238 && BIO_sock_info(sock, BIO_SOCK_INFO_ADDRESS, &info)) {
3239 BIO_printf(bio_c_out, "LOCAL PORT is %u\n",
1abd2925 3240 ntohs(BIO_ADDR_rawport(info.addr)));
642a166c
RL		 3241 }
3242 BIO_ADDR_free(info.addr);
0f113f3e 3243 }
a2f9200f
DSH		 3244#endif
3245
e481f9b9 3246#if !defined(OPENSSL_NO_NEXTPROTONEG)
0f113f3e
MC		 3247 if (next_proto.status != -1) {
3248 const unsigned char *proto;
3249 unsigned int proto_len;
3250 SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
3251 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
3252 BIO_write(bio, proto, proto_len);
3253 BIO_write(bio, "\n", 1);
3254 }
e481f9b9 3255#endif
0f113f3e
MC		 3256 {
3257 const unsigned char *proto;
3258 unsigned int proto_len;
3259 SSL_get0_alpn_selected(s, &proto, &proto_len);
3260 if (proto_len > 0) {
3261 BIO_printf(bio, "ALPN protocol: ");
3262 BIO_write(bio, proto, proto_len);
3263 BIO_write(bio, "\n", 1);
3264 } else
3265 BIO_printf(bio, "No ALPN negotiated\n");
3266 }
71fa4513 3267
e783bae2 3268#ifndef OPENSSL_NO_SRTP
0f113f3e
MC		 3269 {
3270 SRTP_PROTECTION_PROFILE *srtp_profile =
3271 SSL_get_selected_srtp_profile(s);
3272
3273 if (srtp_profile)
3274 BIO_printf(bio, "SRTP Extension negotiated, profile=%s\n",
3275 srtp_profile->name);
3276 }
3277#endif
3278
576eb395
MC		 3279 if (SSL_version(s) == TLS1_3_VERSION) {
3280 switch (SSL_get_early_data_status(s)) {
3281 case SSL_EARLY_DATA_NOT_SENT:
3282 BIO_printf(bio, "Early data was not sent\n");
3283 break;
3284
3285 case SSL_EARLY_DATA_REJECTED:
3286 BIO_printf(bio, "Early data was rejected\n");
3287 break;
3288
3289 case SSL_EARLY_DATA_ACCEPTED:
3290 BIO_printf(bio, "Early data was accepted\n");
3291 break;
3292
3293 }
3294 }
3295
0f113f3e 3296 SSL_SESSION_print(bio, SSL_get_session(s));
d6073e27 3297 if (SSL_get_session(s) != NULL && keymatexportlabel != NULL) {
0f113f3e
MC		 3298 BIO_printf(bio, "Keying material exporter:\n");
3299 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel);
3300 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen);
68dc6824
RS		 3301 exportedkeymat = app_malloc(keymatexportlen, "export key");
3302 if (!SSL_export_keying_material(s, exportedkeymat,
3303 keymatexportlen,
3304 keymatexportlabel,
3305 strlen(keymatexportlabel),
3306 NULL, 0, 0)) {
3307 BIO_printf(bio, " Error\n");
3308 } else {
3309 BIO_printf(bio, " Keying material: ");
3310 for (i = 0; i < keymatexportlen; i++)
3311 BIO_printf(bio, "%02X", exportedkeymat[i]);
3312 BIO_printf(bio, "\n");
0f113f3e 3313 }
68dc6824 3314 OPENSSL_free(exportedkeymat);
0f113f3e
MC		 3315 }
3316 BIO_printf(bio, "---\n");
222561fe 3317 X509_free(peer);
0f113f3e
MC		 3318 /* flush, or debugging output gets mixed with http response */
3319 (void)BIO_flush(bio);
3320}
d02b48c6 3321
3e41ac35 3322# ifndef OPENSSL_NO_OCSP
67c8e7f4 3323static int ocsp_resp_cb(SSL *s, void *arg)
0f113f3e
MC		 3324{
3325 const unsigned char *p;
3326 int len;
3327 OCSP_RESPONSE *rsp;
3328 len = SSL_get_tlsext_status_ocsp_resp(s, &p);
3329 BIO_puts(arg, "OCSP response: ");
2234212c 3330 if (p == NULL) {
0f113f3e
MC		 3331 BIO_puts(arg, "no response sent\n");
3332 return 1;
3333 }
3334 rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
2234212c 3335 if (rsp == NULL) {
0f113f3e
MC		 3336 BIO_puts(arg, "response parse error\n");
3337 BIO_dump_indent(arg, (char *)p, len, 4);
3338 return 0;
3339 }
3340 BIO_puts(arg, "\n======================================\n");
3341 OCSP_RESPONSE_print(arg, rsp, 0);
3342 BIO_puts(arg, "======================================\n");
3343 OCSP_RESPONSE_free(rsp);
3344 return 1;
3345}
3e41ac35 3346# endif
f9e55034 3347
398b0bbd
RS		 3348static int ldap_ExtendedResponse_parse(const char *buf, long rem)
3349{
3350 const unsigned char *cur, *end;
3351 long len;
3352 int tag, xclass, inf, ret = -1;
3353
3354 cur = (const unsigned char *)buf;
3355 end = cur + rem;
3356
3357 /*
3358 * From RFC 4511:
3359 *
3360 * LDAPMessage ::= SEQUENCE {
3361 * messageID MessageID,
3362 * protocolOp CHOICE {
3363 * ...
3364 * extendedResp ExtendedResponse,
3365 * ... },
3366 * controls [0] Controls OPTIONAL }
3367 *
3368 * ExtendedResponse ::= [APPLICATION 24] SEQUENCE {
3369 * COMPONENTS OF LDAPResult,
3370 * responseName [10] LDAPOID OPTIONAL,
3371 * responseValue [11] OCTET STRING OPTIONAL }
3372 *
3373 * LDAPResult ::= SEQUENCE {
3374 * resultCode ENUMERATED {
3375 * success (0),
3376 * ...
3377 * other (80),
3378 * ... },
3379 * matchedDN LDAPDN,
3380 * diagnosticMessage LDAPString,
3381 * referral [3] Referral OPTIONAL }
3382 */
3383
3384 /* pull SEQUENCE */
3385 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3386 if (inf != V_ASN1_CONSTRUCTED || tag != V_ASN1_SEQUENCE ||
3387 (rem = end - cur, len > rem)) {
3388 BIO_printf(bio_err, "Unexpected LDAP response\n");
3389 goto end;
3390 }
3391
8b0d4242
AP		 3392 rem = len; /* ensure that we don't overstep the SEQUENCE */
3393
398b0bbd
RS		 3394 /* pull MessageID */
3395 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3396 if (inf != V_ASN1_UNIVERSAL || tag != V_ASN1_INTEGER ||
3397 (rem = end - cur, len > rem)) {
3398 BIO_printf(bio_err, "No MessageID\n");
3399 goto end;
3400 }
3401
3402 cur += len; /* shall we check for MessageId match or just skip? */
3403
3404 /* pull [APPLICATION 24] */
3405 rem = end - cur;
3406 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3407 if (inf != V_ASN1_CONSTRUCTED || xclass != V_ASN1_APPLICATION ||
3408 tag != 24) {
3409 BIO_printf(bio_err, "Not ExtendedResponse\n");
3410 goto end;
3411 }
3412
3413 /* pull resultCode */
3414 rem = end - cur;
3415 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3416 if (inf != V_ASN1_UNIVERSAL || tag != V_ASN1_ENUMERATED || len == 0 ||
3417 (rem = end - cur, len > rem)) {
3418 BIO_printf(bio_err, "Not LDAPResult\n");
3419 goto end;
3420 }
3421
3422 /* len should always be one, but just in case... */
3423 for (ret = 0, inf = 0; inf < len; inf++) {
3424 ret <<= 8;
3425 ret |= cur[inf];
3426 }
3427 /* There is more data, but we don't care... */
3428 end:
3429 return ret;
3430}
3431
d6073e27 3432#endif /* OPENSSL_NO_SOCK */
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