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[thirdparty/openssl.git] / apps / s_client.c
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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
200 if (key_len == EVP_MD_size(EVP_sha256()))
adfc3786 201 cipher = SSL_CIPHER_find(s, tls13_aes128gcmsha256_id);
f479eab2 202 else if (key_len == EVP_MD_size(EVP_sha384()))
adfc3786 203 cipher = SSL_CIPHER_find(s, tls13_aes256gcmsha384_id);
5ffff599
MC		 204
205 if (cipher == NULL) {
206 /* Doesn't look like a suitable TLSv1.3 key. Ignore it */
207 OPENSSL_free(key);
dc87d5a9
MC		 208 *id = NULL;
209 *idlen = 0;
210 *sess = NULL;
5ffff599
MC		 211 return 0;
212 }
213 usesess = SSL_SESSION_new();
214 if (usesess == NULL
215 || !SSL_SESSION_set1_master_key(usesess, key, key_len)
216 || !SSL_SESSION_set_cipher(usesess, cipher)
217 || !SSL_SESSION_set_protocol_version(usesess, TLS1_3_VERSION)) {
218 OPENSSL_free(key);
219 goto err;
220 }
221 OPENSSL_free(key);
222 }
223
224 cipher = SSL_SESSION_get0_cipher(usesess);
e261bdd1 225 if (cipher == NULL)
5ffff599 226 goto err;
e261bdd1 227
dc87d5a9
MC		 228 if (md != NULL && SSL_CIPHER_get_handshake_digest(cipher) != md) {
229 /* PSK not usable, ignore it */
230 *id = NULL;
231 *idlen = 0;
232 *sess = NULL;
233 SSL_SESSION_free(usesess);
234 } else {
235 *sess = usesess;
236 *id = (unsigned char *)psk_identity;
237 *idlen = strlen(psk_identity);
238 }
e261bdd1
MC		 239
240 return 1;
5ffff599
MC		 241
242 err:
243 SSL_SESSION_free(usesess);
244 return 0;
e261bdd1
MC		 245}
246
ed3883d2
BM		 247/* This is a context that we pass to callbacks */
248typedef struct tlsextctx_st {
0f113f3e
MC		 249 BIO *biodebug;
250 int ack;
ed3883d2
BM		 251} tlsextctx;
252
6d23cf97 253static int ssl_servername_cb(SSL *s, int *ad, void *arg)
0f113f3e
MC		 254{
255 tlsextctx *p = (tlsextctx *) arg;
256 const char *hn = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
257 if (SSL_get_servername_type(s) != -1)
258 p->ack = !SSL_session_reused(s) && hn != NULL;
259 else
260 BIO_printf(bio_err, "Can't use SSL_get_servername\n");
261
262 return SSL_TLSEXT_ERR_OK;
263}
ee2ffc27 264
e481f9b9 265#ifndef OPENSSL_NO_SRP
edc032b5
BL		 266
267/* This is a context that we pass to all callbacks */
0f113f3e
MC		 268typedef struct srp_arg_st {
269 char *srppassin;
270 char *srplogin;
271 int msg; /* copy from c_msg */
272 int debug; /* copy from c_debug */
273 int amp; /* allow more groups */
bde136c8 274 int strength; /* minimal size for N */
0f113f3e
MC		 275} SRP_ARG;
276
e481f9b9 277# define SRP_NUMBER_ITERATIONS_FOR_PRIME 64
edc032b5 278
f2fc3075 279static int srp_Verify_N_and_g(const BIGNUM *N, const BIGNUM *g)
0f113f3e
MC		 280{
281 BN_CTX *bn_ctx = BN_CTX_new();
282 BIGNUM *p = BN_new();
283 BIGNUM *r = BN_new();
284 int ret =
285 g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) &&
748e8530 286 BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) == 1 &&
0f113f3e
MC		 287 p != NULL && BN_rshift1(p, N) &&
288 /* p = (N-1)/2 */
748e8530 289 BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) == 1 &&
0f113f3e
MC		 290 r != NULL &&
291 /* verify g^((N-1)/2) == -1 (mod N) */
292 BN_mod_exp(r, g, p, N, bn_ctx) &&
293 BN_add_word(r, 1) && BN_cmp(r, N) == 0;
294
23a1d5e9
RS		 295 BN_free(r);
296 BN_free(p);
297 BN_CTX_free(bn_ctx);
0f113f3e
MC		 298 return ret;
299}
edc032b5 300
c80fd6b2
MC		 301/*-
302 * This callback is used here for two purposes:
303 * - extended debugging
304 * - making some primality tests for unknown groups
305 * The callback is only called for a non default group.
306 *
307 * An application does not need the call back at all if
bde136c8 308 * only the standard groups are used. In real life situations,
0f113f3e
MC		 309 * client and server already share well known groups,
310 * thus there is no need to verify them.
c80fd6b2 311 * Furthermore, in case that a server actually proposes a group that
0f113f3e
MC		 312 * is not one of those defined in RFC 5054, it is more appropriate
313 * to add the group to a static list and then compare since
c80fd6b2
MC		 314 * primality tests are rather cpu consuming.
315 */
f2fc3075 316
6d23cf97 317static int ssl_srp_verify_param_cb(SSL *s, void *arg)
0f113f3e
MC		 318{
319 SRP_ARG *srp_arg = (SRP_ARG *)arg;
320 BIGNUM *N = NULL, *g = NULL;
75ebbd9a
RS		 321
322 if (((N = SSL_get_srp_N(s)) == NULL) || ((g = SSL_get_srp_g(s)) == NULL))
0f113f3e
MC		 323 return 0;
324 if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1) {
325 BIO_printf(bio_err, "SRP parameters:\n");
326 BIO_printf(bio_err, "\tN=");
327 BN_print(bio_err, N);
328 BIO_printf(bio_err, "\n\tg=");
329 BN_print(bio_err, g);
330 BIO_printf(bio_err, "\n");
331 }
332
333 if (SRP_check_known_gN_param(g, N))
334 return 1;
335
336 if (srp_arg->amp == 1) {
337 if (srp_arg->debug)
338 BIO_printf(bio_err,
339 "SRP param N and g are not known params, going to check deeper.\n");
340
341 /*
342 * The srp_moregroups is a real debugging feature. Implementors
343 * should rather add the value to the known ones. The minimal size
344 * has already been tested.
345 */
346 if (BN_num_bits(g) <= BN_BITS && srp_Verify_N_and_g(N, g))
347 return 1;
348 }
349 BIO_printf(bio_err, "SRP param N and g rejected.\n");
350 return 0;
351}
edc032b5 352
e481f9b9 353# define PWD_STRLEN 1024
0f113f3e
MC		 354
355static char *ssl_give_srp_client_pwd_cb(SSL *s, void *arg)
356{
357 SRP_ARG *srp_arg = (SRP_ARG *)arg;
68dc6824 358 char *pass = app_malloc(PWD_STRLEN + 1, "SRP password buffer");
0f113f3e
MC		 359 PW_CB_DATA cb_tmp;
360 int l;
361
362 cb_tmp.password = (char *)srp_arg->srppassin;
363 cb_tmp.prompt_info = "SRP user";
364 if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp)) < 0) {
365 BIO_printf(bio_err, "Can't read Password\n");
366 OPENSSL_free(pass);
367 return NULL;
368 }
369 *(pass + l) = '\0';
370
371 return pass;
372}
373
e481f9b9 374#endif
7e1b7485 375
df2ee0e2 376static char *srtp_profiles = NULL;
edc032b5 377
e481f9b9 378#ifndef OPENSSL_NO_NEXTPROTONEG
ee2ffc27
BL		 379/* This the context that we pass to next_proto_cb */
380typedef struct tlsextnextprotoctx_st {
0f113f3e 381 unsigned char *data;
817cd0d5 382 size_t len;
0f113f3e 383 int status;
ee2ffc27
BL		 384} tlsextnextprotoctx;
385
386static tlsextnextprotoctx next_proto;
387
0f113f3e
MC		 388static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen,
389 const unsigned char *in, unsigned int inlen,
390 void *arg)
391{
392 tlsextnextprotoctx *ctx = arg;
393
394 if (!c_quiet) {
395 /* We can assume that |in| is syntactically valid. */
396 unsigned i;
397 BIO_printf(bio_c_out, "Protocols advertised by server: ");
398 for (i = 0; i < inlen;) {
399 if (i)
400 BIO_write(bio_c_out, ", ", 2);
401 BIO_write(bio_c_out, &in[i + 1], in[i]);
402 i += in[i] + 1;
403 }
404 BIO_write(bio_c_out, "\n", 1);
405 }
406
407 ctx->status =
408 SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len);
409 return SSL_TLSEXT_ERR_OK;
410}
e481f9b9 411#endif /* ndef OPENSSL_NO_NEXTPROTONEG */
0f113f3e
MC		 412
413static int serverinfo_cli_parse_cb(SSL *s, unsigned int ext_type,
414 const unsigned char *in, size_t inlen,
415 int *al, void *arg)
85c67492 416{
0f113f3e
MC		 417 char pem_name[100];
418 unsigned char ext_buf[4 + 65536];
419
420 /* Reconstruct the type/len fields prior to extension data */
3a63c0ed
AP		 421 inlen &= 0xffff; /* for formal memcmpy correctness */
422 ext_buf[0] = (unsigned char)(ext_type >> 8);
423 ext_buf[1] = (unsigned char)(ext_type);
424 ext_buf[2] = (unsigned char)(inlen >> 8);
425 ext_buf[3] = (unsigned char)(inlen);
0f113f3e
MC		 426 memcpy(ext_buf + 4, in, inlen);
427
428 BIO_snprintf(pem_name, sizeof(pem_name), "SERVERINFO FOR EXTENSION %d",
429 ext_type);
430 PEM_write_bio(bio_c_out, pem_name, "", ext_buf, 4 + inlen);
431 return 1;
432}
433
cddd424a
VD		 434/*
435 * Hex decoder that tolerates optional whitespace. Returns number of bytes
436 * produced, advances inptr to end of input string.
437 */
438static ossl_ssize_t hexdecode(const char **inptr, void *result)
439{
440 unsigned char **out = (unsigned char **)result;
441 const char *in = *inptr;
d6073e27 442 unsigned char *ret = app_malloc(strlen(in) / 2, "hexdecode");
cddd424a
VD		 443 unsigned char *cp = ret;
444 uint8_t byte;
445 int nibble = 0;
446
447 if (ret == NULL)
448 return -1;
449
450 for (byte = 0; *in; ++in) {
49445f21 451 int x;
cddd424a 452
18295f0c 453 if (isspace(_UC(*in)))
cddd424a 454 continue;
49445f21
RS		 455 x = OPENSSL_hexchar2int(*in);
456 if (x < 0) {
cddd424a
VD		 457 OPENSSL_free(ret);
458 return 0;
459 }
49445f21 460 byte |= (char)x;
cddd424a
VD		 461 if ((nibble ^= 1) == 0) {
462 *cp++ = byte;
463 byte = 0;
464 } else {
465 byte <<= 4;
466 }
467 }
468 if (nibble != 0) {
469 OPENSSL_free(ret);
470 return 0;
471 }
472 *inptr = in;
473
474 return cp - (*out = ret);
475}
476
477/*
478 * Decode unsigned 0..255, returns 1 on success, <= 0 on failure. Advances
479 * inptr to next field skipping leading whitespace.
480 */
481static ossl_ssize_t checked_uint8(const char **inptr, void *out)
482{
483 uint8_t *result = (uint8_t *)out;
484 const char *in = *inptr;
485 char *endp;
486 long v;
487 int e;
488
489 save_errno();
490 v = strtol(in, &endp, 10);
491 e = restore_errno();
492
493 if (((v == LONG_MIN || v == LONG_MAX) && e == ERANGE) ||
18295f0c 494 endp == in || !isspace(_UC(*endp)) ||
cddd424a
VD		 495 v != (*result = (uint8_t) v)) {
496 return -1;
497 }
18295f0c 498 for (in = endp; isspace(_UC(*in)); ++in)
cddd424a
VD		 499 continue;
500
501 *inptr = in;
502 return 1;
503}
504
7ff970ef
RS		 505struct tlsa_field {
506 void *var;
507 const char *name;
508 ossl_ssize_t (*parser)(const char **, void *);
509};
510
cddd424a
VD		 511static int tlsa_import_rr(SSL *con, const char *rrdata)
512{
7ff970ef
RS		 513 /* Not necessary to re-init these values; the "parsers" do that. */
514 static uint8_t usage;
515 static uint8_t selector;
516 static uint8_t mtype;
517 static unsigned char *data;
f232d6ec 518 static struct tlsa_field tlsa_fields[] = {
cddd424a
VD		 519 { &usage, "usage", checked_uint8 },
520 { &selector, "selector", checked_uint8 },
521 { &mtype, "mtype", checked_uint8 },
522 { &data, "data", hexdecode },
523 { NULL, }
524 };
525 struct tlsa_field *f;
7ff970ef
RS		 526 int ret;
527 const char *cp = rrdata;
528 ossl_ssize_t len = 0;
cddd424a
VD		 529
530 for (f = tlsa_fields; f->var; ++f) {
531 /* Returns number of bytes produced, advances cp to next field */
532 if ((len = f->parser(&cp, f->var)) <= 0) {
533 BIO_printf(bio_err, "%s: warning: bad TLSA %s field in: %s\n",
534 prog, f->name, rrdata);
535 return 0;
536 }
537 }
538 /* The data field is last, so len is its length */
539 ret = SSL_dane_tlsa_add(con, usage, selector, mtype, data, len);
540 OPENSSL_free(data);
541
542 if (ret == 0) {
543 ERR_print_errors(bio_err);
544 BIO_printf(bio_err, "%s: warning: unusable TLSA rrdata: %s\n",
545 prog, rrdata);
546 return 0;
547 }
548 if (ret < 0) {
549 ERR_print_errors(bio_err);
550 BIO_printf(bio_err, "%s: warning: error loading TLSA rrdata: %s\n",
551 prog, rrdata);
552 return 0;
553 }
554 return ret;
555}
556
557static int tlsa_import_rrset(SSL *con, STACK_OF(OPENSSL_STRING) *rrset)
558{
559 int num = sk_OPENSSL_STRING_num(rrset);
560 int count = 0;
561 int i;
562
563 for (i = 0; i < num; ++i) {
564 char *rrdata = sk_OPENSSL_STRING_value(rrset, i);
565 if (tlsa_import_rr(con, rrdata) > 0)
566 ++count;
567 }
568 return count > 0;
569}
570
7e1b7485
RS		 571typedef enum OPTION_choice {
572 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
ab69ac00 573 OPT_4, OPT_6, OPT_HOST, OPT_PORT, OPT_CONNECT, OPT_UNIX,
a7c04f2b 574 OPT_XMPPHOST, OPT_VERIFY, OPT_NAMEOPT,
7e1b7485
RS		 575 OPT_CERT, OPT_CRL, OPT_CRL_DOWNLOAD, OPT_SESS_OUT, OPT_SESS_IN,
576 OPT_CERTFORM, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET,
577 OPT_BRIEF, OPT_PREXIT, OPT_CRLF, OPT_QUIET, OPT_NBIO,
3ee1eac2 578 OPT_SSL_CLIENT_ENGINE, OPT_IGN_EOF, OPT_NO_IGN_EOF,
3a4e9367 579 OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_WDEBUG,
7e1b7485
RS		 580 OPT_MSG, OPT_MSGFILE, OPT_ENGINE, OPT_TRACE, OPT_SECURITY_DEBUG,
581 OPT_SECURITY_DEBUG_VERBOSE, OPT_SHOWCERTS, OPT_NBIO_TEST, OPT_STATE,
72257204 582 OPT_PSK_IDENTITY, OPT_PSK, OPT_PSK_SESS,
bde136c8
F		 583#ifndef OPENSSL_NO_SRP
584 OPT_SRPUSER, OPT_SRPPASS, OPT_SRP_STRENGTH, OPT_SRP_LATEUSER,
585 OPT_SRP_MOREGROUPS,
586#endif
587 OPT_SSL3, OPT_SSL_CONFIG,
582a17d6 588 OPT_TLS1_3, OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1,
8ccc2377 589 OPT_DTLS1_2, OPT_SCTP, OPT_TIMEOUT, OPT_MTU, OPT_KEYFORM, OPT_PASS,
28e5ea88 590 OPT_CERT_CHAIN, OPT_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH,
2b6bcb70 591 OPT_KEY, OPT_RECONNECT, OPT_BUILD_CHAIN, OPT_CAFILE, OPT_NOCAFILE,
7e1b7485 592 OPT_CHAINCAFILE, OPT_VERIFYCAFILE, OPT_NEXTPROTONEG, OPT_ALPN,
28e5ea88 593 OPT_SERVERINFO, OPT_STARTTLS, OPT_SERVERNAME, OPT_NOSERVERNAME, OPT_ASYNC,
8176431d 594 OPT_USE_SRTP, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN, OPT_PROTOHOST,
cf72c757
F		 595 OPT_MAXFRAGLEN, OPT_MAX_SEND_FRAG, OPT_SPLIT_SEND_FRAG, OPT_MAX_PIPELINES,
596 OPT_READ_BUF, OPT_KEYLOG_FILE, OPT_EARLY_DATA, OPT_REQCAFILE,
7e1b7485
RS		 597 OPT_V_ENUM,
598 OPT_X_ENUM,
599 OPT_S_ENUM,
cddd424a 600 OPT_FALLBACKSCSV, OPT_NOCMDS, OPT_PROXY, OPT_DANE_TLSA_DOMAIN,
dd696a55 601#ifndef OPENSSL_NO_CT
43341433 602 OPT_CT, OPT_NOCT, OPT_CTLOG_FILE,
dd696a55 603#endif
3ee1eac2
RS		 604 OPT_DANE_TLSA_RRDATA, OPT_DANE_EE_NO_NAME,
605 OPT_R_ENUM
7e1b7485
RS		 606} OPTION_CHOICE;
607
44c83ebd 608const OPTIONS s_client_options[] = {
7e1b7485
RS		 609 {"help", OPT_HELP, '-', "Display this summary"},
610 {"host", OPT_HOST, 's', "Use -connect instead"},
611 {"port", OPT_PORT, 'p', "Use -connect instead"},
612 {"connect", OPT_CONNECT, 's',
ab69ac00 613 "TCP/IP where to connect (default is :" PORT ")"},
552bf8ec
MT		 614 {"proxy", OPT_PROXY, 's',
615 "Connect to via specified proxy to the real server"},
ab69ac00 616#ifdef AF_UNIX
a22f9c84 617 {"unix", OPT_UNIX, 's', "Connect over the specified Unix-domain socket"},
ab69ac00
RL		 618#endif
619 {"4", OPT_4, '-', "Use IPv4 only"},
fe08bd76 620#ifdef AF_INET6
ab69ac00 621 {"6", OPT_6, '-', "Use IPv6 only"},
fe08bd76 622#endif
7e1b7485
RS		 623 {"verify", OPT_VERIFY, 'p', "Turn on peer certificate verification"},
624 {"cert", OPT_CERT, '<', "Certificate file to use, PEM format assumed"},
625 {"certform", OPT_CERTFORM, 'F',
626 "Certificate format (PEM or DER) PEM default"},
a7c04f2b 627 {"nameopt", OPT_NAMEOPT, 's', "Various certificate name options"},
a6972f34
DW		 628 {"key", OPT_KEY, 's', "Private key file to use, if not in -cert file"},
629 {"keyform", OPT_KEYFORM, 'E', "Key format (PEM, DER or engine) PEM default"},
7e1b7485
RS		 630 {"pass", OPT_PASS, 's', "Private key file pass phrase source"},
631 {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
632 {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
2b6bcb70
MC		 633 {"no-CAfile", OPT_NOCAFILE, '-',
634 "Do not load the default certificates file"},
635 {"no-CApath", OPT_NOCAPATH, '-',
636 "Do not load certificates from the default certificates directory"},
d2add501 637 {"requestCAfile", OPT_REQCAFILE, '<',
5969a2dd 638 "PEM format file of CA names to send to the server"},
cddd424a
VD		 639 {"dane_tlsa_domain", OPT_DANE_TLSA_DOMAIN, 's', "DANE TLSA base domain"},
640 {"dane_tlsa_rrdata", OPT_DANE_TLSA_RRDATA, 's',
641 "DANE TLSA rrdata presentation form"},
c4fbed6c
VD		 642 {"dane_ee_no_namechecks", OPT_DANE_EE_NO_NAME, '-',
643 "Disable name checks when matching DANE-EE(3) TLSA records"},
7e1b7485
RS		 644 {"reconnect", OPT_RECONNECT, '-',
645 "Drop and re-make the connection with the same Session-ID"},
7e1b7485
RS		 646 {"showcerts", OPT_SHOWCERTS, '-', "Show all certificates in the chain"},
647 {"debug", OPT_DEBUG, '-', "Extra output"},
648 {"msg", OPT_MSG, '-', "Show protocol messages"},
9a13bb38
RS		 649 {"msgfile", OPT_MSGFILE, '>',
650 "File to send output of -msg or -trace, instead of stdout"},
7e1b7485
RS		 651 {"nbio_test", OPT_NBIO_TEST, '-', "More ssl protocol testing"},
652 {"state", OPT_STATE, '-', "Print the ssl states"},
653 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"},
654 {"quiet", OPT_QUIET, '-', "No s_client output"},
655 {"ign_eof", OPT_IGN_EOF, '-', "Ignore input eof (default when -quiet)"},
656 {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Don't ignore input eof"},
7e1b7485 657 {"starttls", OPT_STARTTLS, 's',
cfb4f1ef 658 "Use the appropriate STARTTLS command before starting TLS"},
898ea7b8 659 {"xmpphost", OPT_XMPPHOST, 's',
8176431d 660 "Alias of -name option for \"-starttls xmpp[-server]\""},
3ee1eac2 661 OPT_R_OPTIONS,
7e1b7485
RS		 662 {"sess_out", OPT_SESS_OUT, '>', "File to write SSL session to"},
663 {"sess_in", OPT_SESS_IN, '<', "File to read SSL session from"},
e77bdc73 664 {"use_srtp", OPT_USE_SRTP, 's',
7e1b7485
RS		 665 "Offer SRTP key management with a colon-separated profile list"},
666 {"keymatexport", OPT_KEYMATEXPORT, 's',
667 "Export keying material using label"},
668 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
669 "Export len bytes of keying material (default 20)"},
cf72c757
F		 670 {"maxfraglen", OPT_MAXFRAGLEN, 'p',
671 "Enable Maximum Fragment Length Negotiation (len values: 512, 1024, 2048 and 4096)"},
7e1b7485 672 {"fallback_scsv", OPT_FALLBACKSCSV, '-', "Send the fallback SCSV"},
8176431d
PY		 673 {"name", OPT_PROTOHOST, 's',
674 "Hostname to use for \"-starttls lmtp\", \"-starttls smtp\" or \"-starttls xmpp[-server]\""},
9a13bb38
RS		 675 {"CRL", OPT_CRL, '<', "CRL file to use"},
676 {"crl_download", OPT_CRL_DOWNLOAD, '-', "Download CRL from distribution points"},
677 {"CRLform", OPT_CRLFORM, 'F', "CRL format (PEM or DER) PEM is default"},
678 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-',
679 "Close connection on verification error"},
680 {"verify_quiet", OPT_VERIFY_QUIET, '-', "Restrict verify output to errors"},
681 {"brief", OPT_BRIEF, '-',
682 "Restrict output to brief summary of connection parameters"},
683 {"prexit", OPT_PREXIT, '-',
684 "Print session information when the program exits"},
685 {"security_debug", OPT_SECURITY_DEBUG, '-',
686 "Enable security debug messages"},
687 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-',
688 "Output more security debug output"},
689 {"cert_chain", OPT_CERT_CHAIN, '<',
690 "Certificate chain file (in PEM format)"},
691 {"chainCApath", OPT_CHAINCAPATH, '/',
692 "Use dir as certificate store path to build CA certificate chain"},
693 {"verifyCApath", OPT_VERIFYCAPATH, '/',
694 "Use dir as certificate store path to verify CA certificate"},
695 {"build_chain", OPT_BUILD_CHAIN, '-', "Build certificate chain"},
696 {"chainCAfile", OPT_CHAINCAFILE, '<',
697 "CA file for certificate chain (PEM format)"},
698 {"verifyCAfile", OPT_VERIFYCAFILE, '<',
699 "CA file for certificate verification (PEM format)"},
9c3bcfa0
RS		 700 {"nocommands", OPT_NOCMDS, '-', "Do not use interactive command letters"},
701 {"servername", OPT_SERVERNAME, 's',
481afe2a 702 "Set TLS extension servername (SNI) in ClientHello (default)"},
11ba87f2
MC		 703 {"noservername", OPT_NOSERVERNAME, '-',
704 "Do not send the server name (SNI) extension in the ClientHello"},
9c3bcfa0
RS		 705 {"tlsextdebug", OPT_TLSEXTDEBUG, '-',
706 "Hex dump of all TLS extensions received"},
3e41ac35 707#ifndef OPENSSL_NO_OCSP
9c3bcfa0 708 {"status", OPT_STATUS, '-', "Request certificate status from server"},
3e41ac35 709#endif
9c3bcfa0
RS		 710 {"serverinfo", OPT_SERVERINFO, 's',
711 "types Send empty ClientHello extensions (comma-separated numbers)"},
712 {"alpn", OPT_ALPN, 's',
713 "Enable ALPN extension, considering named protocols supported (comma-separated list)"},
7e25dd6d 714 {"async", OPT_ASYNC, '-', "Support asynchronous operation"},
9a13bb38 715 {"ssl_config", OPT_SSL_CONFIG, 's', "Use specified configuration file"},
28e5ea88 716 {"max_send_frag", OPT_MAX_SEND_FRAG, 'p', "Maximum Size of send frames "},
36b2cfb1 717 {"split_send_frag", OPT_SPLIT_SEND_FRAG, 'p',
0df80881 718 "Size used to split data for encrypt pipelines"},
36b2cfb1 719 {"max_pipelines", OPT_MAX_PIPELINES, 'p',
032c6d21 720 "Maximum number of encrypt/decrypt pipelines to be used"},
36b2cfb1 721 {"read_buf", OPT_READ_BUF, 'p',
dad78fb1 722 "Default read buffer size to be used for connections"},
9c3bcfa0
RS		 723 OPT_S_OPTIONS,
724 OPT_V_OPTIONS,
725 OPT_X_OPTIONS,
726#ifndef OPENSSL_NO_SSL3
727 {"ssl3", OPT_SSL3, '-', "Just use SSLv3"},
728#endif
6b01bed2
VD		 729#ifndef OPENSSL_NO_TLS1
730 {"tls1", OPT_TLS1, '-', "Just use TLSv1"},
731#endif
732#ifndef OPENSSL_NO_TLS1_1
733 {"tls1_1", OPT_TLS1_1, '-', "Just use TLSv1.1"},
734#endif
735#ifndef OPENSSL_NO_TLS1_2
736 {"tls1_2", OPT_TLS1_2, '-', "Just use TLSv1.2"},
737#endif
582a17d6
MC		 738#ifndef OPENSSL_NO_TLS1_3
739 {"tls1_3", OPT_TLS1_3, '-', "Just use TLSv1.3"},
740#endif
a5ecdc6a 741#ifndef OPENSSL_NO_DTLS
9a13bb38
RS		 742 {"dtls", OPT_DTLS, '-', "Use any version of DTLS"},
743 {"timeout", OPT_TIMEOUT, '-',
744 "Enable send/receive timeout on DTLS connections"},
9c3bcfa0
RS		 745 {"mtu", OPT_MTU, 'p', "Set the link layer MTU"},
746#endif
6b01bed2
VD		 747#ifndef OPENSSL_NO_DTLS1
748 {"dtls1", OPT_DTLS1, '-', "Just use DTLSv1"},
749#endif
750#ifndef OPENSSL_NO_DTLS1_2
9a13bb38 751 {"dtls1_2", OPT_DTLS1_2, '-', "Just use DTLSv1.2"},
6b01bed2 752#endif
8ccc2377
MC		 753#ifndef OPENSSL_NO_SCTP
754 {"sctp", OPT_SCTP, '-', "Use SCTP"},
755#endif
9c3bcfa0 756#ifndef OPENSSL_NO_SSL_TRACE
9a13bb38 757 {"trace", OPT_TRACE, '-', "Show trace output of protocol messages"},
9c3bcfa0 758#endif
7e1b7485
RS		 759#ifdef WATT32
760 {"wdebug", OPT_WDEBUG, '-', "WATT-32 tcp debugging"},
761#endif
7e1b7485 762 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"},
7e1b7485
RS		 763 {"psk_identity", OPT_PSK_IDENTITY, 's', "PSK identity"},
764 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"},
e261bdd1 765 {"psk_session", OPT_PSK_SESS, '<', "File to read PSK SSL session from"},
7e1b7485 766#ifndef OPENSSL_NO_SRP
bde136c8 767 {"srpuser", OPT_SRPUSER, 's', "SRP authentication for 'user'"},
7e1b7485
RS		 768 {"srppass", OPT_SRPPASS, 's', "Password for 'user'"},
769 {"srp_lateuser", OPT_SRP_LATEUSER, '-',
770 "SRP username into second ClientHello message"},
771 {"srp_moregroups", OPT_SRP_MOREGROUPS, '-',
772 "Tolerate other than the known g N values."},
740ceb5b 773 {"srp_strength", OPT_SRP_STRENGTH, 'p', "Minimal length in bits for N"},
7e1b7485 774#endif
e481f9b9 775#ifndef OPENSSL_NO_NEXTPROTONEG
7e1b7485
RS		 776 {"nextprotoneg", OPT_NEXTPROTONEG, 's',
777 "Enable NPN extension, considering named protocols supported (comma-separated list)"},
7e1b7485 778#endif
7e1b7485
RS		 779#ifndef OPENSSL_NO_ENGINE
780 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
9a13bb38
RS		 781 {"ssl_client_engine", OPT_SSL_CLIENT_ENGINE, 's',
782 "Specify engine to be used for client certificate operations"},
dd696a55
RP		 783#endif
784#ifndef OPENSSL_NO_CT
43341433 785 {"ct", OPT_CT, '-', "Request and parse SCTs (also enables OCSP stapling)"},
dd696a55 786 {"noct", OPT_NOCT, '-', "Do not request or parse SCTs (default)"},
dd696a55 787 {"ctlogfile", OPT_CTLOG_FILE, '<', "CT log list CONF file"},
7e1b7485 788#endif
4bf73e9f 789 {"keylogfile", OPT_KEYLOG_FILE, '>', "Write TLS secrets to file"},
923ac827 790 {"early_data", OPT_EARLY_DATA, '<', "File to send as early data"},
bde136c8 791 {NULL, OPT_EOF, 0x00, NULL}
7e1b7485
RS		 792};
793
794typedef enum PROTOCOL_choice {
795 PROTO_OFF,
0f113f3e
MC		 796 PROTO_SMTP,
797 PROTO_POP3,
798 PROTO_IMAP,
799 PROTO_FTP,
d8c25de5 800 PROTO_TELNET,
552bf8ec 801 PROTO_XMPP,
898ea7b8 802 PROTO_XMPP_SERVER,
cfb4f1ef 803 PROTO_CONNECT,
b2e54eb8 804 PROTO_IRC,
a2d9cfba 805 PROTO_MYSQL,
9576545a 806 PROTO_POSTGRES,
8f85aa6b 807 PROTO_LMTP,
20967afb 808 PROTO_NNTP,
398b0bbd
RS		 809 PROTO_SIEVE,
810 PROTO_LDAP
7e1b7485
RS		 811} PROTOCOL_CHOICE;
812
bde136c8 813static const OPT_PAIR services[] = {
7e1b7485
RS		 814 {"smtp", PROTO_SMTP},
815 {"pop3", PROTO_POP3},
816 {"imap", PROTO_IMAP},
817 {"ftp", PROTO_FTP},
818 {"xmpp", PROTO_XMPP},
898ea7b8 819 {"xmpp-server", PROTO_XMPP_SERVER},
d8c25de5 820 {"telnet", PROTO_TELNET},
cfb4f1ef 821 {"irc", PROTO_IRC},
a2d9cfba 822 {"mysql", PROTO_MYSQL},
b2e54eb8 823 {"postgres", PROTO_POSTGRES},
9576545a 824 {"lmtp", PROTO_LMTP},
8f85aa6b 825 {"nntp", PROTO_NNTP},
20967afb 826 {"sieve", PROTO_SIEVE},
398b0bbd 827 {"ldap", PROTO_LDAP},
bde136c8 828 {NULL, 0}
85c67492
RL		 829};
830
fe08bd76
RS		 831#define IS_INET_FLAG(o) \
832 (o == OPT_4 || o == OPT_6 || o == OPT_HOST || o == OPT_PORT || o == OPT_CONNECT)
833#define IS_UNIX_FLAG(o) (o == OPT_UNIX)
834
4bbd4ba6
MC		 835#define IS_PROT_FLAG(o) \
836 (o == OPT_SSL3 || o == OPT_TLS1 || o == OPT_TLS1_1 || o == OPT_TLS1_2 \
582a17d6 837 || o == OPT_TLS1_3 || o == OPT_DTLS || o == OPT_DTLS1 || o == OPT_DTLS1_2)
4bbd4ba6 838
7315ce80
RS		 839/* Free |*dest| and optionally set it to a copy of |source|. */
840static void freeandcopy(char **dest, const char *source)
841{
842 OPENSSL_free(*dest);
843 *dest = NULL;
844 if (source != NULL)
845 *dest = OPENSSL_strdup(source);
846}
847
be62b22b
MC		 848static int new_session_cb(SSL *S, SSL_SESSION *sess)
849{
850 BIO *stmp = BIO_new_file(sess_out, "w");
851
1f5b44e9
MC		 852 if (stmp == NULL) {
853 BIO_printf(bio_err, "Error writing session file %s\n", sess_out);
854 } else {
be62b22b
MC		 855 PEM_write_bio_SSL_SESSION(stmp, sess);
856 BIO_free(stmp);
be62b22b
MC		 857 }
858
859 /*
860 * We always return a "fail" response so that the session gets freed again
861 * because we haven't used the reference.
862 */
863 return 0;
864}
865
7e1b7485 866int s_client_main(int argc, char **argv)
0f113f3e 867{
7e1b7485 868 BIO *sbio;
0f113f3e 869 EVP_PKEY *key = NULL;
7e1b7485 870 SSL *con = NULL;
0f113f3e 871 SSL_CTX *ctx = NULL;
7e1b7485
RS		 872 STACK_OF(X509) *chain = NULL;
873 X509 *cert = NULL;
0f113f3e 874 X509_VERIFY_PARAM *vpm = NULL;
7e1b7485
RS		 875 SSL_EXCERT *exc = NULL;
876 SSL_CONF_CTX *cctx = NULL;
877 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
cddd424a
VD		 878 char *dane_tlsa_domain = NULL;
879 STACK_OF(OPENSSL_STRING) *dane_tlsa_rrset = NULL;
c4fbed6c 880 int dane_ee_no_name = 0;
7e1b7485 881 STACK_OF(X509_CRL) *crls = NULL;
13c9bb3e 882 const SSL_METHOD *meth = TLS_client_method();
cc696296
F		 883 const char *CApath = NULL, *CAfile = NULL;
884 char *cbuf = NULL, *sbuf = NULL;
552bf8ec 885 char *mbuf = NULL, *proxystr = NULL, *connectstr = NULL;
cddd424a 886 char *cert_file = NULL, *key_file = NULL, *chain_file = NULL;
ab69ac00 887 char *chCApath = NULL, *chCAfile = NULL, *host = NULL;
7315ce80 888 char *port = OPENSSL_strdup(PORT);
7e1b7485 889 char *passarg = NULL, *pass = NULL, *vfyCApath = NULL, *vfyCAfile = NULL;
d2add501 890 char *ReqCAfile = NULL;
be62b22b 891 char *sess_in = NULL, *crl_file = NULL, *p;
8176431d 892 const char *protohost = NULL;
0f113f3e 893 struct timeval timeout, *timeoutp;
7e1b7485 894 fd_set readfds, writefds;
2b6bcb70 895 int noCApath = 0, noCAfile = 0;
7e1b7485
RS		 896 int build_chain = 0, cbuf_len, cbuf_off, cert_format = FORMAT_PEM;
897 int key_format = FORMAT_PEM, crlf = 0, full_log = 1, mbuf_len = 0;
898 int prexit = 0;
40a8e9c2 899 int sdebug = 0;
7e1b7485 900 int reconnect = 0, verify = SSL_VERIFY_NONE, vpmtouched = 0;
480405e4 901 int ret = 1, in_init = 1, i, nbio_test = 0, s = -1, k, width, state = 0;
ab69ac00 902 int sbuf_len, sbuf_off, cmdletters = 1;
8ccc2377 903 int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM, protocol = 0;
7e1b7485
RS		 904 int starttls_proto = PROTO_OFF, crl_format = FORMAT_PEM, crl_download = 0;
905 int write_tty, read_tty, write_ssl, read_ssl, tty_on, ssl_pending;
d485640b 906#if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
a3ef2c16 907 int at_eof = 0;
d485640b 908#endif
dad78fb1 909 int read_buf_len = 0;
7e1b7485 910 int fallback_scsv = 0;
7e1b7485 911 OPTION_CHOICE o;
40a8e9c2
MC		 912#ifndef OPENSSL_NO_DTLS
913 int enable_timeouts = 0;
914 long socket_mtu = 0;
915#endif
0b13e9f0 916#ifndef OPENSSL_NO_ENGINE
0f113f3e 917 ENGINE *ssl_client_engine = NULL;
7e1b7485 918#endif
333b070e 919 ENGINE *e = NULL;
1fbab1dc 920#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
0f113f3e 921 struct timeval tv;
06f4536a 922#endif
44f19af7 923 const char *servername = NULL;
11ba87f2 924 int noservername = 0;
7e1b7485 925 const char *alpn_in = NULL;
0f113f3e 926 tlsextctx tlsextcbp = { NULL, 0 };
287d0b94 927 const char *ssl_config = NULL;
e481f9b9 928#define MAX_SI_TYPES 100
7e1b7485
RS		 929 unsigned short serverinfo_types[MAX_SI_TYPES];
930 int serverinfo_count = 0, start = 0, len;
e481f9b9 931#ifndef OPENSSL_NO_NEXTPROTONEG
0f113f3e 932 const char *next_proto_neg_in = NULL;
ed551cdd 933#endif
edc032b5 934#ifndef OPENSSL_NO_SRP
0f113f3e
MC		 935 char *srppass = NULL;
936 int srp_lateuser = 0;
937 SRP_ARG srp_arg = { NULL, NULL, 0, 0, 0, 1024 };
938#endif
dd696a55
RP		 939#ifndef OPENSSL_NO_CT
940 char *ctlog_file = NULL;
43341433 941 int ct_validation = 0;
dd696a55 942#endif
4bbd4ba6 943 int min_version = 0, max_version = 0, prot_opt = 0, no_prot_opt = 0;
fba13663 944 int async = 0;
28e5ea88 945 unsigned int max_send_fragment = 0;
36b2cfb1 946 unsigned int split_send_fragment = 0, max_pipelines = 0;
fe08bd76
RS		 947 enum { use_inet, use_unix, use_unknown } connect_type = use_unknown;
948 int count4or6 = 0;
cf72c757 949 uint8_t maxfraglen = 0;
54463e4f 950 int c_nbio = 0, c_msg = 0, c_ign_eof = 0, c_brief = 0;
057c676a
RL		 951 int c_tlsextdebug = 0;
952#ifndef OPENSSL_NO_OCSP
953 int c_status_req = 0;
954#endif
54463e4f 955 BIO *bio_c_msg = NULL;
923ac827 956 const char *keylog_file = NULL, *early_data_file = NULL;
9ff2cebf 957#ifndef OPENSSL_NO_DTLS
8ccc2377 958 int isdtls = 0;
9ff2cebf 959#endif
e261bdd1 960 char *psksessf = NULL;
0f113f3e 961
efc943be
EK		 962 FD_ZERO(&readfds);
963 FD_ZERO(&writefds);
964/* Known false-positive of MemorySanitizer. */
965#if defined(__has_feature)
966# if __has_feature(memory_sanitizer)
967 __msan_unpoison(&readfds, sizeof(readfds));
968 __msan_unpoison(&writefds, sizeof(writefds));
969# endif
970#endif
971
7e1b7485 972 prog = opt_progname(argv[0]);
0f113f3e 973 c_quiet = 0;
0f113f3e 974 c_debug = 0;
0f113f3e 975 c_showcerts = 0;
7e1b7485 976 c_nbio = 0;
7e1b7485 977 vpm = X509_VERIFY_PARAM_new();
0f113f3e 978 cctx = SSL_CONF_CTX_new();
0f113f3e 979
68dc6824 980 if (vpm == NULL || cctx == NULL) {
7e1b7485 981 BIO_printf(bio_err, "%s: out of memory\n", prog);
0f113f3e
MC		 982 goto end;
983 }
984
acc00492
F		 985 cbuf = app_malloc(BUFSIZZ, "cbuf");
986 sbuf = app_malloc(BUFSIZZ, "sbuf");
987 mbuf = app_malloc(BUFSIZZ, "mbuf");
988
7e1b7485 989 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT | SSL_CONF_FLAG_CMDLINE);
0f113f3e 990
7e1b7485
RS		 991 prog = opt_init(argc, argv, s_client_options);
992 while ((o = opt_next()) != OPT_EOF) {
fe08bd76
RS		 993 /* Check for intermixing flags. */
994 if (connect_type == use_unix && IS_INET_FLAG(o)) {
995 BIO_printf(bio_err,
d6073e27
F		 996 "%s: Intermixed protocol flags (unix and internet domains)\n",
997 prog);
fe08bd76
RS		 998 goto end;
999 }
1000 if (connect_type == use_inet && IS_UNIX_FLAG(o)) {
1001 BIO_printf(bio_err,
d6073e27
F		 1002 "%s: Intermixed protocol flags (internet and unix domains)\n",
1003 prog);
fe08bd76
RS		 1004 goto end;
1005 }
4bbd4ba6
MC		 1006
1007 if (IS_PROT_FLAG(o) && ++prot_opt > 1) {
1008 BIO_printf(bio_err, "Cannot supply multiple protocol flags\n");
1009 goto end;
1010 }
1011 if (IS_NO_PROT_FLAG(o))
1012 no_prot_opt++;
1013 if (prot_opt == 1 && no_prot_opt) {
d6073e27
F		 1014 BIO_printf(bio_err,
1015 "Cannot supply both a protocol flag and '-no_<prot>'\n");
4bbd4ba6
MC		 1016 goto end;
1017 }
1018
7e1b7485 1019 switch (o) {
7e1b7485
RS		 1020 case OPT_EOF:
1021 case OPT_ERR:
1022 opthelp:
1023 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
1024 goto end;
1025 case OPT_HELP:
1026 opt_help(s_client_options);
1027 ret = 0;
1028 goto end;
ab69ac00 1029 case OPT_4:
fe08bd76 1030 connect_type = use_inet;
ab69ac00 1031 socket_family = AF_INET;
fe08bd76 1032 count4or6++;
ab69ac00 1033 break;
ab69ac00 1034#ifdef AF_INET6
fe08bd76
RS		 1035 case OPT_6:
1036 connect_type = use_inet;
1037 socket_family = AF_INET6;
1038 count4or6++;
ab69ac00 1039 break;
ab69ac00 1040#endif
fe08bd76
RS		 1041 case OPT_HOST:
1042 connect_type = use_inet;
7315ce80 1043 freeandcopy(&host, opt_arg());
7e1b7485
RS		 1044 break;
1045 case OPT_PORT:
fe08bd76 1046 connect_type = use_inet;
7315ce80 1047 freeandcopy(&port, opt_arg());
7e1b7485
RS		 1048 break;
1049 case OPT_CONNECT:
fe08bd76 1050 connect_type = use_inet;
7315ce80 1051 freeandcopy(&connectstr, opt_arg());
552bf8ec
MT		 1052 break;
1053 case OPT_PROXY:
1054 proxystr = opt_arg();
1055 starttls_proto = PROTO_CONNECT;
7e1b7485 1056 break;
ab69ac00 1057#ifdef AF_UNIX
7e1b7485 1058 case OPT_UNIX:
fe08bd76 1059 connect_type = use_unix;
ab69ac00 1060 socket_family = AF_UNIX;
7315ce80 1061 freeandcopy(&host, opt_arg());
7e1b7485 1062 break;
ab69ac00 1063#endif
d8c25de5 1064 case OPT_XMPPHOST:
8176431d
PY		 1065 /* fall through, since this is an alias */
1066 case OPT_PROTOHOST:
1067 protohost = opt_arg();
d8c25de5 1068 break;
7e1b7485 1069 case OPT_VERIFY:
0f113f3e 1070 verify = SSL_VERIFY_PEER;
acc00492 1071 verify_args.depth = atoi(opt_arg());
0f113f3e 1072 if (!c_quiet)
acc00492 1073 BIO_printf(bio_err, "verify depth is %d\n", verify_args.depth);
7e1b7485
RS		 1074 break;
1075 case OPT_CERT:
1076 cert_file = opt_arg();
1077 break;
a7c04f2b
DB		 1078 case OPT_NAMEOPT:
1079 if (!set_nameopt(opt_arg()))
1080 goto end;
1081 break;
7e1b7485
RS		 1082 case OPT_CRL:
1083 crl_file = opt_arg();
1084 break;
1085 case OPT_CRL_DOWNLOAD:
0f113f3e 1086 crl_download = 1;
7e1b7485
RS		 1087 break;
1088 case OPT_SESS_OUT:
1089 sess_out = opt_arg();
1090 break;
1091 case OPT_SESS_IN:
1092 sess_in = opt_arg();
1093 break;
1094 case OPT_CERTFORM:
1095 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &cert_format))
1096 goto opthelp;
1097 break;
1098 case OPT_CRLFORM:
1099 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
1100 goto opthelp;
1101 break;
1102 case OPT_VERIFY_RET_ERROR:
acc00492 1103 verify_args.return_error = 1;
7e1b7485
RS		 1104 break;
1105 case OPT_VERIFY_QUIET:
acc00492 1106 verify_args.quiet = 1;
7e1b7485
RS		 1107 break;
1108 case OPT_BRIEF:
acc00492 1109 c_brief = verify_args.quiet = c_quiet = 1;
7e1b7485
RS		 1110 break;
1111 case OPT_S_CASES:
1112 if (ssl_args == NULL)
1113 ssl_args = sk_OPENSSL_STRING_new_null();
1114 if (ssl_args == NULL
1115 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
1116 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
1117 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1118 goto end;
1119 }
1120 break;
1121 case OPT_V_CASES:
1122 if (!opt_verify(o, vpm))
1123 goto end;
1124 vpmtouched++;
1125 break;
1126 case OPT_X_CASES:
1127 if (!args_excert(o, &exc))
1128 goto end;
1129 break;
1130 case OPT_PREXIT:
0f113f3e 1131 prexit = 1;
7e1b7485
RS		 1132 break;
1133 case OPT_CRLF:
0f113f3e 1134 crlf = 1;
7e1b7485
RS		 1135 break;
1136 case OPT_QUIET:
1137 c_quiet = c_ign_eof = 1;
1138 break;
1139 case OPT_NBIO:
1140 c_nbio = 1;
1141 break;
6ba8a5b7
RS		 1142 case OPT_NOCMDS:
1143 cmdletters = 0;
1144 break;
7e1b7485 1145 case OPT_ENGINE:
333b070e 1146 e = setup_engine(opt_arg(), 1);
7e1b7485
RS		 1147 break;
1148 case OPT_SSL_CLIENT_ENGINE:
333b070e
RS		 1149#ifndef OPENSSL_NO_ENGINE
1150 ssl_client_engine = ENGINE_by_id(opt_arg());
1151 if (ssl_client_engine == NULL) {
1152 BIO_printf(bio_err, "Error getting client auth engine\n");
1153 goto opthelp;
1154 }
333b070e 1155#endif
7e1b7485 1156 break;
3ee1eac2
RS		 1157 case OPT_R_CASES:
1158 if (!opt_rand(o))
1159 goto end;
7e1b7485
RS		 1160 break;
1161 case OPT_IGN_EOF:
0f113f3e 1162 c_ign_eof = 1;
7e1b7485
RS		 1163 break;
1164 case OPT_NO_IGN_EOF:
0f113f3e 1165 c_ign_eof = 0;
7e1b7485 1166 break;
7e1b7485 1167 case OPT_DEBUG:
0f113f3e 1168 c_debug = 1;
7e1b7485 1169 break;
7e1b7485 1170 case OPT_TLSEXTDEBUG:
0f113f3e 1171 c_tlsextdebug = 1;
7e1b7485
RS		 1172 break;
1173 case OPT_STATUS:
057c676a 1174#ifndef OPENSSL_NO_OCSP
0f113f3e 1175 c_status_req = 1;
057c676a 1176#endif
7e1b7485 1177 break;
7e1b7485 1178 case OPT_WDEBUG:
9c3bcfa0 1179#ifdef WATT32
0f113f3e
MC		 1180 dbug_init();
1181#endif
9c3bcfa0 1182 break;
7e1b7485 1183 case OPT_MSG:
0f113f3e 1184 c_msg = 1;
7e1b7485
RS		 1185 break;
1186 case OPT_MSGFILE:
1187 bio_c_msg = BIO_new_file(opt_arg(), "w");
1188 break;
7e1b7485 1189 case OPT_TRACE:
9c3bcfa0 1190#ifndef OPENSSL_NO_SSL_TRACE
0f113f3e
MC		 1191 c_msg = 2;
1192#endif
9c3bcfa0 1193 break;
7e1b7485 1194 case OPT_SECURITY_DEBUG:
0f113f3e 1195 sdebug = 1;
7e1b7485
RS		 1196 break;
1197 case OPT_SECURITY_DEBUG_VERBOSE:
0f113f3e 1198 sdebug = 2;
7e1b7485
RS		 1199 break;
1200 case OPT_SHOWCERTS:
0f113f3e 1201 c_showcerts = 1;
7e1b7485
RS		 1202 break;
1203 case OPT_NBIO_TEST:
0f113f3e 1204 nbio_test = 1;
7e1b7485
RS		 1205 break;
1206 case OPT_STATE:
0f113f3e 1207 state = 1;
7e1b7485 1208 break;
7e1b7485
RS		 1209 case OPT_PSK_IDENTITY:
1210 psk_identity = opt_arg();
1211 break;
1212 case OPT_PSK:
1213 for (p = psk_key = opt_arg(); *p; p++) {
18295f0c 1214 if (isxdigit(_UC(*p)))
0f113f3e 1215 continue;
7e1b7485
RS		 1216 BIO_printf(bio_err, "Not a hex number '%s'\n", psk_key);
1217 goto end;
0f113f3e 1218 }
13cbe5e7 1219 break;
e261bdd1
MC		 1220 case OPT_PSK_SESS:
1221 psksessf = opt_arg();
1222 break;
edc032b5 1223#ifndef OPENSSL_NO_SRP
7e1b7485
RS		 1224 case OPT_SRPUSER:
1225 srp_arg.srplogin = opt_arg();
0d5301af
KR		 1226 if (min_version < TLS1_VERSION)
1227 min_version = TLS1_VERSION;
7e1b7485
RS		 1228 break;
1229 case OPT_SRPPASS:
1230 srppass = opt_arg();
0d5301af
KR		 1231 if (min_version < TLS1_VERSION)
1232 min_version = TLS1_VERSION;
7e1b7485
RS		 1233 break;
1234 case OPT_SRP_STRENGTH:
1235 srp_arg.strength = atoi(opt_arg());
0f113f3e
MC		 1236 BIO_printf(bio_err, "SRP minimal length for N is %d\n",
1237 srp_arg.strength);
0d5301af
KR		 1238 if (min_version < TLS1_VERSION)
1239 min_version = TLS1_VERSION;
7e1b7485
RS		 1240 break;
1241 case OPT_SRP_LATEUSER:
0f113f3e 1242 srp_lateuser = 1;
0d5301af
KR		 1243 if (min_version < TLS1_VERSION)
1244 min_version = TLS1_VERSION;
7e1b7485
RS		 1245 break;
1246 case OPT_SRP_MOREGROUPS:
0f113f3e 1247 srp_arg.amp = 1;
0d5301af
KR		 1248 if (min_version < TLS1_VERSION)
1249 min_version = TLS1_VERSION;
7e1b7485 1250 break;
edc032b5 1251#endif
287d0b94
DSH		 1252 case OPT_SSL_CONFIG:
1253 ssl_config = opt_arg();
1254 break;
7e1b7485 1255 case OPT_SSL3:
0d5301af
KR		 1256 min_version = SSL3_VERSION;
1257 max_version = SSL3_VERSION;
9c3bcfa0 1258 break;
582a17d6
MC		 1259 case OPT_TLS1_3:
1260 min_version = TLS1_3_VERSION;
1261 max_version = TLS1_3_VERSION;
1262 break;
7e1b7485 1263 case OPT_TLS1_2:
0d5301af
KR		 1264 min_version = TLS1_2_VERSION;
1265 max_version = TLS1_2_VERSION;
7e1b7485
RS		 1266 break;
1267 case OPT_TLS1_1:
0d5301af
KR		 1268 min_version = TLS1_1_VERSION;
1269 max_version = TLS1_1_VERSION;
7e1b7485
RS		 1270 break;
1271 case OPT_TLS1:
0d5301af
KR		 1272 min_version = TLS1_VERSION;
1273 max_version = TLS1_VERSION;
7e1b7485 1274 break;
7e1b7485 1275 case OPT_DTLS:
6b01bed2 1276#ifndef OPENSSL_NO_DTLS
0f113f3e
MC		 1277 meth = DTLS_client_method();
1278 socket_type = SOCK_DGRAM;
8ccc2377 1279 isdtls = 1;
6b01bed2 1280#endif
7e1b7485
RS		 1281 break;
1282 case OPT_DTLS1:
6b01bed2 1283#ifndef OPENSSL_NO_DTLS1
0d5301af
KR		 1284 meth = DTLS_client_method();
1285 min_version = DTLS1_VERSION;
1286 max_version = DTLS1_VERSION;
0f113f3e 1287 socket_type = SOCK_DGRAM;
8ccc2377 1288 isdtls = 1;
6b01bed2 1289#endif
7e1b7485
RS		 1290 break;
1291 case OPT_DTLS1_2:
6b01bed2 1292#ifndef OPENSSL_NO_DTLS1_2
0d5301af
KR		 1293 meth = DTLS_client_method();
1294 min_version = DTLS1_2_VERSION;
1295 max_version = DTLS1_2_VERSION;
0f113f3e 1296 socket_type = SOCK_DGRAM;
8ccc2377
MC		 1297 isdtls = 1;
1298#endif
1299 break;
1300 case OPT_SCTP:
1301#ifndef OPENSSL_NO_SCTP
1302 protocol = IPPROTO_SCTP;
6b01bed2 1303#endif
7e1b7485
RS		 1304 break;
1305 case OPT_TIMEOUT:
6b01bed2 1306#ifndef OPENSSL_NO_DTLS
0f113f3e 1307 enable_timeouts = 1;
6b01bed2 1308#endif
7e1b7485
RS		 1309 break;
1310 case OPT_MTU:
6b01bed2 1311#ifndef OPENSSL_NO_DTLS
7e1b7485 1312 socket_mtu = atol(opt_arg());
0f113f3e 1313#endif
6b01bed2 1314 break;
7e1b7485 1315 case OPT_FALLBACKSCSV:
0f113f3e 1316 fallback_scsv = 1;
7e1b7485
RS		 1317 break;
1318 case OPT_KEYFORM:
a6972f34 1319 if (!opt_format(opt_arg(), OPT_FMT_PDE, &key_format))
7e1b7485
RS		 1320 goto opthelp;
1321 break;
1322 case OPT_PASS:
1323 passarg = opt_arg();
1324 break;
1325 case OPT_CERT_CHAIN:
1326 chain_file = opt_arg();
1327 break;
1328 case OPT_KEY:
1329 key_file = opt_arg();
1330 break;
1331 case OPT_RECONNECT:
0f113f3e 1332 reconnect = 5;
7e1b7485
RS		 1333 break;
1334 case OPT_CAPATH:
1335 CApath = opt_arg();
1336 break;
2b6bcb70
MC		 1337 case OPT_NOCAPATH:
1338 noCApath = 1;
1339 break;
7e1b7485
RS		 1340 case OPT_CHAINCAPATH:
1341 chCApath = opt_arg();
1342 break;
1343 case OPT_VERIFYCAPATH:
1344 vfyCApath = opt_arg();
1345 break;
1346 case OPT_BUILD_CHAIN:
0f113f3e 1347 build_chain = 1;
7e1b7485 1348 break;
d2add501
DSH		 1349 case OPT_REQCAFILE:
1350 ReqCAfile = opt_arg();
1351 break;
7e1b7485
RS		 1352 case OPT_CAFILE:
1353 CAfile = opt_arg();
1354 break;
2b6bcb70
MC		 1355 case OPT_NOCAFILE:
1356 noCAfile = 1;
1357 break;
dd696a55
RP		 1358#ifndef OPENSSL_NO_CT
1359 case OPT_NOCT:
43341433 1360 ct_validation = 0;
dd696a55 1361 break;
43341433
VD		 1362 case OPT_CT:
1363 ct_validation = 1;
dd696a55
RP		 1364 break;
1365 case OPT_CTLOG_FILE:
1366 ctlog_file = opt_arg();
1367 break;
1368#endif
7e1b7485
RS		 1369 case OPT_CHAINCAFILE:
1370 chCAfile = opt_arg();
1371 break;
1372 case OPT_VERIFYCAFILE:
1373 vfyCAfile = opt_arg();
1374 break;
cddd424a
VD		 1375 case OPT_DANE_TLSA_DOMAIN:
1376 dane_tlsa_domain = opt_arg();
1377 break;
1378 case OPT_DANE_TLSA_RRDATA:
1379 if (dane_tlsa_rrset == NULL)
1380 dane_tlsa_rrset = sk_OPENSSL_STRING_new_null();
1381 if (dane_tlsa_rrset == NULL ||
1382 !sk_OPENSSL_STRING_push(dane_tlsa_rrset, opt_arg())) {
1383 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1384 goto end;
1385 }
1386 break;
c4fbed6c
VD		 1387 case OPT_DANE_EE_NO_NAME:
1388 dane_ee_no_name = 1;
1389 break;
7e1b7485 1390 case OPT_NEXTPROTONEG:
1595ca02 1391#ifndef OPENSSL_NO_NEXTPROTONEG
7e1b7485 1392 next_proto_neg_in = opt_arg();
1595ca02 1393#endif
7e1b7485
RS		 1394 break;
1395 case OPT_ALPN:
1396 alpn_in = opt_arg();
1397 break;
1398 case OPT_SERVERINFO:
1399 p = opt_arg();
1400 len = strlen(p);
1401 for (start = 0, i = 0; i <= len; ++i) {
1402 if (i == len || p[i] == ',') {
1403 serverinfo_types[serverinfo_count] = atoi(p + start);
1404 if (++serverinfo_count == MAX_SI_TYPES)
1405 break;
0f113f3e
MC		 1406 start = i + 1;
1407 }
0f113f3e 1408 }
7e1b7485 1409 break;
7e1b7485
RS		 1410 case OPT_STARTTLS:
1411 if (!opt_pair(opt_arg(), services, &starttls_proto))
1412 goto end;
46da5f9c 1413 break;
7e1b7485
RS		 1414 case OPT_SERVERNAME:
1415 servername = opt_arg();
7e1b7485 1416 break;
11ba87f2
MC		 1417 case OPT_NOSERVERNAME:
1418 noservername = 1;
1419 break;
7e1b7485
RS		 1420 case OPT_USE_SRTP:
1421 srtp_profiles = opt_arg();
1422 break;
1423 case OPT_KEYMATEXPORT:
1424 keymatexportlabel = opt_arg();
1425 break;
1426 case OPT_KEYMATEXPORTLEN:
1427 keymatexportlen = atoi(opt_arg());
0f113f3e 1428 break;
7e25dd6d
MC		 1429 case OPT_ASYNC:
1430 async = 1;
1431 break;
cf72c757
F		 1432 case OPT_MAXFRAGLEN:
1433 len = atoi(opt_arg());
1434 switch (len) {
1435 case 512:
1436 maxfraglen = TLSEXT_max_fragment_length_512;
1437 break;
1438 case 1024:
1439 maxfraglen = TLSEXT_max_fragment_length_1024;
1440 break;
1441 case 2048:
1442 maxfraglen = TLSEXT_max_fragment_length_2048;
1443 break;
1444 case 4096:
1445 maxfraglen = TLSEXT_max_fragment_length_4096;
1446 break;
1447 default:
1448 BIO_printf(bio_err,
1449 "%s: Max Fragment Len %u is out of permitted values",
1450 prog, len);
1451 goto opthelp;
1452 }
1453 break;
28e5ea88
F		 1454 case OPT_MAX_SEND_FRAG:
1455 max_send_fragment = atoi(opt_arg());
28e5ea88 1456 break;
032c6d21
MC		 1457 case OPT_SPLIT_SEND_FRAG:
1458 split_send_fragment = atoi(opt_arg());
032c6d21
MC		 1459 break;
1460 case OPT_MAX_PIPELINES:
1461 max_pipelines = atoi(opt_arg());
1462 break;
dad78fb1
MC		 1463 case OPT_READ_BUF:
1464 read_buf_len = atoi(opt_arg());
1465 break;
4bf73e9f
PW		 1466 case OPT_KEYLOG_FILE:
1467 keylog_file = opt_arg();
1468 break;
923ac827
MC		 1469 case OPT_EARLY_DATA:
1470 early_data_file = opt_arg();
1471 break;
0f113f3e 1472 }
0f113f3e 1473 }
fe08bd76
RS		 1474 if (count4or6 >= 2) {
1475 BIO_printf(bio_err, "%s: Can't use both -4 and -6\n", prog);
1476 goto opthelp;
1477 }
11ba87f2
MC		 1478 if (noservername) {
1479 if (servername != NULL) {
1480 BIO_printf(bio_err,
1481 "%s: Can't use -servername and -noservername together\n",
1482 prog);
1483 goto opthelp;
1484 }
1485 if (dane_tlsa_domain != NULL) {
1486 BIO_printf(bio_err,
1487 "%s: Can't use -dane_tlsa_domain and -noservername together\n",
1488 prog);
1489 goto opthelp;
1490 }
1491 }
7e1b7485 1492 argc = opt_num_rest();
729ef856
CB		 1493 if (argc == 1) {
1494 /* If there's a positional argument, it's the equivalent of
1495 * OPT_CONNECT.
1496 * Don't allow -connect and a separate argument.
1497 */
1498 if (connectstr != NULL) {
1499 BIO_printf(bio_err,
1500 "%s: must not provide both -connect option and target parameter\n",
1501 prog);
1502 goto opthelp;
1503 }
1504 connect_type = use_inet;
222417eb 1505 freeandcopy(&connectstr, *opt_rest());
729ef856 1506 } else if (argc != 0) {
03358517 1507 goto opthelp;
729ef856 1508 }
0f113f3e 1509
837f87c2
PY		 1510#ifndef OPENSSL_NO_NEXTPROTONEG
1511 if (min_version == TLS1_3_VERSION && next_proto_neg_in != NULL) {
1512 BIO_printf(bio_err, "Cannot supply -nextprotoneg with TLSv1.3\n");
1513 goto opthelp;
1514 }
1515#endif
2234212c 1516 if (proxystr != NULL) {
ab69ac00
RL		 1517 int res;
1518 char *tmp_host = host, *tmp_port = port;
552bf8ec 1519 if (connectstr == NULL) {
729ef856 1520 BIO_printf(bio_err, "%s: -proxy requires use of -connect or target parameter\n", prog);
552bf8ec
MT		 1521 goto opthelp;
1522 }
ab69ac00
RL		 1523 res = BIO_parse_hostserv(proxystr, &host, &port, BIO_PARSE_PRIO_HOST);
1524 if (tmp_host != host)
1525 OPENSSL_free(tmp_host);
1526 if (tmp_port != port)
1527 OPENSSL_free(tmp_port);
1528 if (!res) {
d6073e27
F		 1529 BIO_printf(bio_err,
1530 "%s: -proxy argument malformed or ambiguous\n", prog);
ab69ac00
RL		 1531 goto end;
1532 }
1533 } else {
1534 int res = 1;
1535 char *tmp_host = host, *tmp_port = port;
1536 if (connectstr != NULL)
1537 res = BIO_parse_hostserv(connectstr, &host, &port,
1538 BIO_PARSE_PRIO_HOST);
1539 if (tmp_host != host)
1540 OPENSSL_free(tmp_host);
1541 if (tmp_port != port)
1542 OPENSSL_free(tmp_port);
1543 if (!res) {
1544 BIO_printf(bio_err,
729ef856 1545 "%s: -connect argument or target parameter malformed or ambiguous\n",
ab69ac00 1546 prog);
552bf8ec 1547 goto end;
ab69ac00 1548 }
552bf8ec 1549 }
552bf8ec 1550
326eaa94 1551#ifdef AF_UNIX
ab69ac00 1552 if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) {
0f113f3e
MC		 1553 BIO_printf(bio_err,
1554 "Can't use unix sockets and datagrams together\n");
1555 goto end;
1556 }
326eaa94 1557#endif
f3b7bdad 1558
8ccc2377
MC		 1559#ifndef OPENSSL_NO_SCTP
1560 if (protocol == IPPROTO_SCTP) {
1561 if (socket_type != SOCK_DGRAM) {
1562 BIO_printf(bio_err, "Can't use -sctp without DTLS\n");
1563 goto end;
1564 }
1565 /* SCTP is unusual. It uses DTLS over a SOCK_STREAM protocol */
1566 socket_type = SOCK_STREAM;
1567 }
1568#endif
032c6d21 1569
e481f9b9 1570#if !defined(OPENSSL_NO_NEXTPROTONEG)
0f113f3e
MC		 1571 next_proto.status = -1;
1572 if (next_proto_neg_in) {
1573 next_proto.data =
1574 next_protos_parse(&next_proto.len, next_proto_neg_in);
1575 if (next_proto.data == NULL) {
1576 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n");
1577 goto end;
1578 }
1579 } else
1580 next_proto.data = NULL;
ee2ffc27
BL		 1581#endif
1582
7e1b7485 1583 if (!app_passwd(passarg, NULL, &pass, NULL)) {
0f113f3e
MC		 1584 BIO_printf(bio_err, "Error getting password\n");
1585 goto end;
1586 }
1587
1588 if (key_file == NULL)
1589 key_file = cert_file;
1590
2234212c 1591 if (key_file != NULL) {
7e1b7485 1592 key = load_key(key_file, key_format, 0, pass, e,
0f113f3e 1593 "client certificate private key file");
7e1b7485 1594 if (key == NULL) {
0f113f3e
MC		 1595 ERR_print_errors(bio_err);
1596 goto end;
1597 }
0f113f3e
MC		 1598 }
1599
2234212c 1600 if (cert_file != NULL) {
a773b52a 1601 cert = load_cert(cert_file, cert_format, "client certificate file");
7e1b7485 1602 if (cert == NULL) {
0f113f3e
MC		 1603 ERR_print_errors(bio_err);
1604 goto end;
1605 }
1606 }
1607
2234212c 1608 if (chain_file != NULL) {
a773b52a 1609 if (!load_certs(chain_file, &chain, FORMAT_PEM, NULL,
0996dc54 1610 "client certificate chain"))
0f113f3e
MC		 1611 goto end;
1612 }
1613
2234212c 1614 if (crl_file != NULL) {
0f113f3e
MC		 1615 X509_CRL *crl;
1616 crl = load_crl(crl_file, crl_format);
7e1b7485 1617 if (crl == NULL) {
0f113f3e
MC		 1618 BIO_puts(bio_err, "Error loading CRL\n");
1619 ERR_print_errors(bio_err);
1620 goto end;
1621 }
1622 crls = sk_X509_CRL_new_null();
7e1b7485 1623 if (crls == NULL || !sk_X509_CRL_push(crls, crl)) {
0f113f3e
MC		 1624 BIO_puts(bio_err, "Error adding CRL\n");
1625 ERR_print_errors(bio_err);
1626 X509_CRL_free(crl);
1627 goto end;
1628 }
1629 }
1630
7e1b7485 1631 if (!load_excert(&exc))
0f113f3e
MC		 1632 goto end;
1633
0f113f3e
MC		 1634 if (bio_c_out == NULL) {
1635 if (c_quiet && !c_debug) {
1636 bio_c_out = BIO_new(BIO_s_null());
2234212c 1637 if (c_msg && bio_c_msg == NULL)
a60994df 1638 bio_c_msg = dup_bio_out(FORMAT_TEXT);
7e1b7485 1639 } else if (bio_c_out == NULL)
a60994df 1640 bio_c_out = dup_bio_out(FORMAT_TEXT);
0f113f3e 1641 }
edc032b5 1642#ifndef OPENSSL_NO_SRP
7e1b7485 1643 if (!app_passwd(srppass, NULL, &srp_arg.srppassin, NULL)) {
0f113f3e
MC		 1644 BIO_printf(bio_err, "Error getting password\n");
1645 goto end;
1646 }
1647#endif
1648
1649 ctx = SSL_CTX_new(meth);
1650 if (ctx == NULL) {
1651 ERR_print_errors(bio_err);
1652 goto end;
1653 }
1654
1655 if (sdebug)
ecf3a1fb 1656 ssl_ctx_security_debug(ctx, sdebug);
0f113f3e 1657
2234212c 1658 if (ssl_config != NULL) {
287d0b94
DSH		 1659 if (SSL_CTX_config(ctx, ssl_config) == 0) {
1660 BIO_printf(bio_err, "Error using configuration \"%s\"\n",
1661 ssl_config);
d6073e27
F		 1662 ERR_print_errors(bio_err);
1663 goto end;
287d0b94
DSH		 1664 }
1665 }
1666
0d5301af
KR		 1667 if (SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
1668 goto end;
1669 if (SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
1670 goto end;
1671
7e1b7485 1672 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
ac59d705
MC		 1673 BIO_printf(bio_err, "Error setting verify params\n");
1674 ERR_print_errors(bio_err);
1675 goto end;
1676 }
0f113f3e 1677
5e6f9775 1678 if (async) {
7e25dd6d 1679 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
5e6f9775 1680 }
28e5ea88 1681
36b2cfb1
F		 1682 if (max_send_fragment > 0
1683 && !SSL_CTX_set_max_send_fragment(ctx, max_send_fragment)) {
1684 BIO_printf(bio_err, "%s: Max send fragment size %u is out of permitted range\n",
1685 prog, max_send_fragment);
1686 goto end;
1687 }
28e5ea88 1688
36b2cfb1
F		 1689 if (split_send_fragment > 0
1690 && !SSL_CTX_set_split_send_fragment(ctx, split_send_fragment)) {
1691 BIO_printf(bio_err, "%s: Split send fragment size %u is out of permitted range\n",
1692 prog, split_send_fragment);
1693 goto end;
032c6d21 1694 }
36b2cfb1
F		 1695
1696 if (max_pipelines > 0
1697 && !SSL_CTX_set_max_pipelines(ctx, max_pipelines)) {
1698 BIO_printf(bio_err, "%s: Max pipelines %u is out of permitted range\n",
1699 prog, max_pipelines);
1700 goto end;
032c6d21 1701 }
7e25dd6d 1702
dad78fb1
MC		 1703 if (read_buf_len > 0) {
1704 SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len);
1705 }
1706
cf72c757
F		 1707 if (maxfraglen > 0
1708 && !SSL_CTX_set_tlsext_max_fragment_length(ctx, maxfraglen)) {
1709 BIO_printf(bio_err,
1710 "%s: Max Fragment Length code %u is out of permitted values"
1711 "\n", prog, maxfraglen);
1712 goto end;
1713 }
1714
dba31777 1715 if (!config_ctx(cctx, ssl_args, ctx))
0f113f3e 1716 goto end;
0f113f3e
MC		 1717
1718 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1719 crls, crl_download)) {
1720 BIO_printf(bio_err, "Error loading store locations\n");
1721 ERR_print_errors(bio_err);
1722 goto end;
1723 }
d2add501
DSH		 1724 if (ReqCAfile != NULL) {
1725 STACK_OF(X509_NAME) *nm = sk_X509_NAME_new_null();
5969a2dd 1726
d2add501
DSH		 1727 if (nm == NULL || !SSL_add_file_cert_subjects_to_stack(nm, ReqCAfile)) {
1728 sk_X509_NAME_pop_free(nm, X509_NAME_free);
1729 BIO_printf(bio_err, "Error loading CA names\n");
1730 ERR_print_errors(bio_err);
1731 goto end;
1732 }
1733 SSL_CTX_set0_CA_list(ctx, nm);
1734 }
59d2d48f 1735#ifndef OPENSSL_NO_ENGINE
0f113f3e
MC		 1736 if (ssl_client_engine) {
1737 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine)) {
1738 BIO_puts(bio_err, "Error setting client auth engine\n");
1739 ERR_print_errors(bio_err);
1740 ENGINE_free(ssl_client_engine);
1741 goto end;
1742 }
1743 ENGINE_free(ssl_client_engine);
1744 }
59d2d48f
DSH		 1745#endif
1746
ddac1974 1747#ifndef OPENSSL_NO_PSK
dba31777 1748 if (psk_key != NULL) {
0f113f3e 1749 if (c_debug)
d6073e27 1750 BIO_printf(bio_c_out, "PSK key given, setting client callback\n");
0f113f3e
MC		 1751 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
1752 }
e783bae2 1753#endif
e261bdd1
MC		 1754 if (psksessf != NULL) {
1755 BIO *stmp = BIO_new_file(psksessf, "r");
1756
1757 if (stmp == NULL) {
1758 BIO_printf(bio_err, "Can't open PSK session file %s\n", psksessf);
1759 ERR_print_errors(bio_err);
1760 goto end;
1761 }
1762 psksess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1763 BIO_free(stmp);
1764 if (psksess == NULL) {
1765 BIO_printf(bio_err, "Can't read PSK session file %s\n", psksessf);
1766 ERR_print_errors(bio_err);
1767 goto end;
1768 }
e261bdd1 1769 }
5ffff599
MC		 1770 if (psk_key != NULL || psksess != NULL)
1771 SSL_CTX_set_psk_use_session_callback(ctx, psk_use_session_cb);
1772
e783bae2 1773#ifndef OPENSSL_NO_SRTP
ac59d705 1774 if (srtp_profiles != NULL) {
7e1b7485
RS		 1775 /* Returns 0 on success! */
1776 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
ac59d705
MC		 1777 BIO_printf(bio_err, "Error setting SRTP profile\n");
1778 ERR_print_errors(bio_err);
1779 goto end;
1780 }
1781 }
0f113f3e 1782#endif
7e1b7485 1783
2234212c 1784 if (exc != NULL)
0f113f3e 1785 ssl_ctx_set_excert(ctx, exc);
d02b48c6 1786
e481f9b9 1787#if !defined(OPENSSL_NO_NEXTPROTONEG)
2234212c 1788 if (next_proto.data != NULL)
0f113f3e 1789 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
e481f9b9 1790#endif
0f113f3e 1791 if (alpn_in) {
817cd0d5 1792 size_t alpn_len;
0f113f3e
MC		 1793 unsigned char *alpn = next_protos_parse(&alpn_len, alpn_in);
1794
1795 if (alpn == NULL) {
1796 BIO_printf(bio_err, "Error parsing -alpn argument\n");
1797 goto end;
1798 }
7e1b7485
RS		 1799 /* Returns 0 on success! */
1800 if (SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len) != 0) {
d6073e27 1801 BIO_printf(bio_err, "Error setting ALPN\n");
ac59d705
MC		 1802 goto end;
1803 }
0f113f3e
MC		 1804 OPENSSL_free(alpn);
1805 }
e481f9b9 1806
7e1b7485 1807 for (i = 0; i < serverinfo_count; i++) {
61986d32 1808 if (!SSL_CTX_add_client_custom_ext(ctx,
7e1b7485
RS		 1809 serverinfo_types[i],
1810 NULL, NULL, NULL,
1811 serverinfo_cli_parse_cb, NULL)) {
1812 BIO_printf(bio_err,
d6073e27
F		 1813 "Warning: Unable to add custom extension %u, skipping\n",
1814 serverinfo_types[i]);
ac59d705 1815 }
0f113f3e 1816 }
ee2ffc27 1817
0f113f3e
MC		 1818 if (state)
1819 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
d02b48c6 1820
dd696a55 1821#ifndef OPENSSL_NO_CT
43341433
VD		 1822 /* Enable SCT processing, without early connection termination */
1823 if (ct_validation &&
1824 !SSL_CTX_enable_ct(ctx, SSL_CT_VALIDATION_PERMISSIVE)) {
dd696a55
RP		 1825 ERR_print_errors(bio_err);
1826 goto end;
1827 }
1828
70073f3e 1829 if (!ctx_set_ctlog_list_file(ctx, ctlog_file)) {
43341433 1830 if (ct_validation) {
328f36c5
RP		 1831 ERR_print_errors(bio_err);
1832 goto end;
1833 }
1834
1835 /*
1836 * If CT validation is not enabled, the log list isn't needed so don't
1837 * show errors or abort. We try to load it regardless because then we
1838 * can show the names of the logs any SCTs came from (SCTs may be seen
1839 * even with validation disabled).
1840 */
1841 ERR_clear_error();
dd696a55
RP		 1842 }
1843#endif
1844
0f113f3e 1845 SSL_CTX_set_verify(ctx, verify, verify_callback);
d02b48c6 1846
2b6bcb70 1847 if (!ctx_set_verify_locations(ctx, CAfile, CApath, noCAfile, noCApath)) {
0f113f3e 1848 ERR_print_errors(bio_err);
7e1b7485 1849 goto end;
0f113f3e 1850 }
d02b48c6 1851
0f113f3e 1852 ssl_ctx_add_crls(ctx, crls, crl_download);
fdb78f3d 1853
0f113f3e
MC		 1854 if (!set_cert_key_stuff(ctx, cert, key, chain, build_chain))
1855 goto end;
74ecfab4 1856
11ba87f2 1857 if (!noservername) {
0f113f3e
MC		 1858 tlsextcbp.biodebug = bio_err;
1859 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1860 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1861 }
1862# ifndef OPENSSL_NO_SRP
1863 if (srp_arg.srplogin) {
1864 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin)) {
1865 BIO_printf(bio_err, "Unable to set SRP username\n");
1866 goto end;
1867 }
1868 srp_arg.msg = c_msg;
1869 srp_arg.debug = c_debug;
1870 SSL_CTX_set_srp_cb_arg(ctx, &srp_arg);
1871 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb);
1872 SSL_CTX_set_srp_strength(ctx, srp_arg.strength);
1873 if (c_msg || c_debug || srp_arg.amp == 0)
1874 SSL_CTX_set_srp_verify_param_callback(ctx,
1875 ssl_srp_verify_param_cb);
1876 }
1877# endif
0f113f3e 1878
cddd424a
VD		 1879 if (dane_tlsa_domain != NULL) {
1880 if (SSL_CTX_dane_enable(ctx) <= 0) {
1881 BIO_printf(bio_err,
d6073e27
F		 1882 "%s: Error enabling DANE TLSA authentication.\n",
1883 prog);
cddd424a
VD		 1884 ERR_print_errors(bio_err);
1885 goto end;
1886 }
1887 }
1888
be62b22b
MC		 1889 /*
1890 * In TLSv1.3 NewSessionTicket messages arrive after the handshake and can
1891 * come at any time. Therefore we use a callback to write out the session
1892 * when we know about it. This approach works for < TLSv1.3 as well.
1893 */
2234212c 1894 if (sess_out != NULL) {
be62b22b
MC		 1895 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_CLIENT
1896 | SSL_SESS_CACHE_NO_INTERNAL_STORE);
1897 SSL_CTX_sess_set_new_cb(ctx, new_session_cb);
1898 }
1899
4bf73e9f
PW		 1900 if (set_keylog_file(ctx, keylog_file))
1901 goto end;
1902
0f113f3e 1903 con = SSL_new(ctx);
f84a648c
K		 1904 if (con == NULL)
1905 goto end;
1906
2234212c 1907 if (sess_in != NULL) {
0f113f3e
MC		 1908 SSL_SESSION *sess;
1909 BIO *stmp = BIO_new_file(sess_in, "r");
2234212c 1910 if (stmp == NULL) {
0f113f3e
MC		 1911 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1912 ERR_print_errors(bio_err);
1913 goto end;
1914 }
1915 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1916 BIO_free(stmp);
2234212c 1917 if (sess == NULL) {
0f113f3e
MC		 1918 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1919 ERR_print_errors(bio_err);
1920 goto end;
1921 }
61986d32 1922 if (!SSL_set_session(con, sess)) {
ac59d705
MC		 1923 BIO_printf(bio_err, "Can't set session\n");
1924 ERR_print_errors(bio_err);
1925 goto end;
1926 }
b510b740 1927
0f113f3e
MC		 1928 SSL_SESSION_free(sess);
1929 }
1930
1931 if (fallback_scsv)
1932 SSL_set_mode(con, SSL_MODE_SEND_FALLBACK_SCSV);
cf6da053 1933
11ba87f2
MC		 1934 if (!noservername && (servername != NULL || dane_tlsa_domain == NULL)) {
1935 if (servername == NULL)
1936 servername = (host == NULL) ? "localhost" : host;
0f113f3e
MC		 1937 if (!SSL_set_tlsext_host_name(con, servername)) {
1938 BIO_printf(bio_err, "Unable to set TLS servername extension.\n");
1939 ERR_print_errors(bio_err);
1940 goto end;
1941 }
1942 }
d02b48c6 1943
cddd424a
VD		 1944 if (dane_tlsa_domain != NULL) {
1945 if (SSL_dane_enable(con, dane_tlsa_domain) <= 0) {
1946 BIO_printf(bio_err, "%s: Error enabling DANE TLSA "
1947 "authentication.\n", prog);
1948 ERR_print_errors(bio_err);
1949 goto end;
1950 }
1951 if (dane_tlsa_rrset == NULL) {
1952 BIO_printf(bio_err, "%s: DANE TLSA authentication requires at "
bc87fb6b 1953 "least one -dane_tlsa_rrdata option.\n", prog);
cddd424a
VD		 1954 goto end;
1955 }
1956 if (tlsa_import_rrset(con, dane_tlsa_rrset) <= 0) {
1957 BIO_printf(bio_err, "%s: Failed to import any TLSA "
1958 "records.\n", prog);
1959 goto end;
1960 }
c4fbed6c
VD		 1961 if (dane_ee_no_name)
1962 SSL_dane_set_flags(con, DANE_FLAG_NO_DANE_EE_NAMECHECKS);
cddd424a 1963 } else if (dane_tlsa_rrset != NULL) {
bde136c8
F		 1964 BIO_printf(bio_err, "%s: DANE TLSA authentication requires the "
1965 "-dane_tlsa_domain option.\n", prog);
1966 goto end;
cddd424a
VD		 1967 }
1968
0f113f3e 1969 re_start:
8ccc2377
MC		 1970 if (init_client(&s, host, port, socket_family, socket_type, protocol)
1971 == 0) {
0f113f3e 1972 BIO_printf(bio_err, "connect:errno=%d\n", get_last_socket_error());
8731a4fc 1973 BIO_closesocket(s);
0f113f3e
MC		 1974 goto end;
1975 }
1976 BIO_printf(bio_c_out, "CONNECTED(%08X)\n", s);
d02b48c6 1977
0f113f3e 1978 if (c_nbio) {
ba810815 1979 if (!BIO_socket_nbio(s, 1)) {
0f113f3e
MC		 1980 ERR_print_errors(bio_err);
1981 goto end;
1982 }
ba810815 1983 BIO_printf(bio_c_out, "Turned on non blocking io\n");
0f113f3e 1984 }
40a8e9c2 1985#ifndef OPENSSL_NO_DTLS
8ccc2377 1986 if (isdtls) {
642a166c 1987 union BIO_sock_info_u peer_info;
0f113f3e 1988
8ccc2377
MC		 1989#ifndef OPENSSL_NO_SCTP
1990 if (protocol == IPPROTO_SCTP)
1991 sbio = BIO_new_dgram_sctp(s, BIO_NOCLOSE);
1992 else
1993#endif
1994 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
1995
642a166c
RL		 1996 if ((peer_info.addr = BIO_ADDR_new()) == NULL) {
1997 BIO_printf(bio_err, "memory allocation failure\n");
1998 BIO_closesocket(s);
d6accd50 1999 goto end;
642a166c
RL		 2000 }
2001 if (!BIO_sock_info(s, BIO_SOCK_INFO_ADDRESS, &peer_info)) {
0f113f3e
MC		 2002 BIO_printf(bio_err, "getsockname:errno=%d\n",
2003 get_last_socket_error());
642a166c 2004 BIO_ADDR_free(peer_info.addr);
8731a4fc 2005 BIO_closesocket(s);
0f113f3e
MC		 2006 goto end;
2007 }
2008
642a166c
RL		 2009 (void)BIO_ctrl_set_connected(sbio, peer_info.addr);
2010 BIO_ADDR_free(peer_info.addr);
2011 peer_info.addr = NULL;
0f113f3e
MC		 2012
2013 if (enable_timeouts) {
2014 timeout.tv_sec = 0;
2015 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2016 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2017
2018 timeout.tv_sec = 0;
2019 timeout.tv_usec = DGRAM_SND_TIMEOUT;
2020 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2021 }
2022
2023 if (socket_mtu) {
2024 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
2025 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
2026 DTLS_get_link_min_mtu(con));
2027 BIO_free(sbio);
2028 goto shut;
2029 }
2030 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2031 if (!DTLS_set_link_mtu(con, socket_mtu)) {
2032 BIO_printf(bio_err, "Failed to set MTU\n");
2033 BIO_free(sbio);
2034 goto shut;
2035 }
2234212c 2036 } else {
0f113f3e
MC		 2037 /* want to do MTU discovery */
2038 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2234212c 2039 }
0f113f3e 2040 } else
40a8e9c2 2041#endif /* OPENSSL_NO_DTLS */
0f113f3e
MC		 2042 sbio = BIO_new_socket(s, BIO_NOCLOSE);
2043
2044 if (nbio_test) {
2045 BIO *test;
2046
2047 test = BIO_new(BIO_f_nbio_test());
2048 sbio = BIO_push(test, sbio);
2049 }
2050
2051 if (c_debug) {
0f113f3e
MC		 2052 BIO_set_callback(sbio, bio_dump_callback);
2053 BIO_set_callback_arg(sbio, (char *)bio_c_out);
2054 }
2055 if (c_msg) {
93ab9e42 2056#ifndef OPENSSL_NO_SSL_TRACE
0f113f3e
MC		 2057 if (c_msg == 2)
2058 SSL_set_msg_callback(con, SSL_trace);
2059 else
93ab9e42 2060#endif
0f113f3e
MC		 2061 SSL_set_msg_callback(con, msg_cb);
2062 SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out);
2063 }
e481f9b9 2064
0f113f3e
MC		 2065 if (c_tlsextdebug) {
2066 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2067 SSL_set_tlsext_debug_arg(con, bio_c_out);
2068 }
3e41ac35 2069#ifndef OPENSSL_NO_OCSP
0f113f3e
MC		 2070 if (c_status_req) {
2071 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
2072 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
2073 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
0f113f3e 2074 }
3e41ac35 2075#endif
0f113f3e
MC		 2076
2077 SSL_set_bio(con, sbio, sbio);
2078 SSL_set_connect_state(con);
2079
2080 /* ok, lets connect */
51e5133d
RL		 2081 if (fileno_stdin() > SSL_get_fd(con))
2082 width = fileno_stdin() + 1;
0d3b6583
RL		 2083 else
2084 width = SSL_get_fd(con) + 1;
51e5133d 2085
0f113f3e
MC		 2086 read_tty = 1;
2087 write_tty = 0;
2088 tty_on = 0;
2089 read_ssl = 1;
2090 write_ssl = 1;
2091
2092 cbuf_len = 0;
2093 cbuf_off = 0;
2094 sbuf_len = 0;
2095 sbuf_off = 0;
2096
7e1b7485
RS		 2097 switch ((PROTOCOL_CHOICE) starttls_proto) {
2098 case PROTO_OFF:
2099 break;
9576545a 2100 case PROTO_LMTP:
7e1b7485
RS		 2101 case PROTO_SMTP:
2102 {
2103 /*
2104 * This is an ugly hack that does a lot of assumptions. We do
2105 * have to handle multi-line responses which may come in a single
2106 * packet or not. We therefore have to use BIO_gets() which does
2107 * need a buffering BIO. So during the initial chitchat we do
2108 * push a buffering BIO into the chain that is removed again
2109 * later on to not disturb the rest of the s_client operation.
2110 */
2111 int foundit = 0;
2112 BIO *fbio = BIO_new(BIO_f_buffer());
20967afb 2113
7e1b7485 2114 BIO_push(fbio, sbio);
9576545a 2115 /* Wait for multi-line response to end from LMTP or SMTP */
7e1b7485
RS		 2116 do {
2117 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
20967afb 2118 } while (mbuf_len > 3 && mbuf[3] == '-');
8176431d
PY		 2119 if (protohost == NULL)
2120 protohost = "mail.example.com";
7524c520 2121 if (starttls_proto == (int)PROTO_LMTP)
8176431d 2122 BIO_printf(fbio, "LHLO %s\r\n", protohost);
7524c520 2123 else
8176431d 2124 BIO_printf(fbio, "EHLO %s\r\n", protohost);
7e1b7485 2125 (void)BIO_flush(fbio);
9576545a
RS		 2126 /*
2127 * Wait for multi-line response to end LHLO LMTP or EHLO SMTP
2128 * response.
2129 */
7e1b7485
RS		 2130 do {
2131 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2132 if (strstr(mbuf, "STARTTLS"))
2133 foundit = 1;
20967afb 2134 } while (mbuf_len > 3 && mbuf[3] == '-');
7e1b7485
RS		 2135 (void)BIO_flush(fbio);
2136 BIO_pop(fbio);
2137 BIO_free(fbio);
2138 if (!foundit)
2139 BIO_printf(bio_err,
20967afb 2140 "Didn't find STARTTLS in server response,"
c7944cf1 2141 " trying anyway...\n");
7e1b7485
RS		 2142 BIO_printf(sbio, "STARTTLS\r\n");
2143 BIO_read(sbio, sbuf, BUFSIZZ);
0f113f3e 2144 }
7e1b7485
RS		 2145 break;
2146 case PROTO_POP3:
2147 {
2148 BIO_read(sbio, mbuf, BUFSIZZ);
2149 BIO_printf(sbio, "STLS\r\n");
2150 mbuf_len = BIO_read(sbio, sbuf, BUFSIZZ);
2151 if (mbuf_len < 0) {
2152 BIO_printf(bio_err, "BIO_read failed\n");
2153 goto end;
2154 }
0f113f3e 2155 }
7e1b7485
RS		 2156 break;
2157 case PROTO_IMAP:
2158 {
2159 int foundit = 0;
2160 BIO *fbio = BIO_new(BIO_f_buffer());
20967afb 2161
7e1b7485
RS		 2162 BIO_push(fbio, sbio);
2163 BIO_gets(fbio, mbuf, BUFSIZZ);
2164 /* STARTTLS command requires CAPABILITY... */
2165 BIO_printf(fbio, ". CAPABILITY\r\n");
2166 (void)BIO_flush(fbio);
2167 /* wait for multi-line CAPABILITY response */
2168 do {
2169 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2170 if (strstr(mbuf, "STARTTLS"))
2171 foundit = 1;
2172 }
2173 while (mbuf_len > 3 && mbuf[0] != '.');
2174 (void)BIO_flush(fbio);
2175 BIO_pop(fbio);
2176 BIO_free(fbio);
2177 if (!foundit)
2178 BIO_printf(bio_err,
20967afb 2179 "Didn't find STARTTLS in server response,"
c7944cf1 2180 " trying anyway...\n");
7e1b7485
RS		 2181 BIO_printf(sbio, ". STARTTLS\r\n");
2182 BIO_read(sbio, sbuf, BUFSIZZ);
0f113f3e 2183 }
7e1b7485
RS		 2184 break;
2185 case PROTO_FTP:
2186 {
2187 BIO *fbio = BIO_new(BIO_f_buffer());
20967afb 2188
7e1b7485
RS		 2189 BIO_push(fbio, sbio);
2190 /* wait for multi-line response to end from FTP */
2191 do {
2192 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2193 }
2194 while (mbuf_len > 3 && mbuf[3] == '-');
2195 (void)BIO_flush(fbio);
2196 BIO_pop(fbio);
2197 BIO_free(fbio);
2198 BIO_printf(sbio, "AUTH TLS\r\n");
2199 BIO_read(sbio, sbuf, BUFSIZZ);
0f113f3e 2200 }
7e1b7485
RS		 2201 break;
2202 case PROTO_XMPP:
898ea7b8 2203 case PROTO_XMPP_SERVER:
0f113f3e 2204 {
7e1b7485
RS		 2205 int seen = 0;
2206 BIO_printf(sbio, "<stream:stream "
2207 "xmlns:stream='http://etherx.jabber.org/streams' "
898ea7b8
KE		 2208 "xmlns='jabber:%s' to='%s' version='1.0'>",
2209 starttls_proto == PROTO_XMPP ? "client" : "server",
8176431d 2210 protohost ? protohost : host);
0f113f3e 2211 seen = BIO_read(sbio, mbuf, BUFSIZZ);
20967afb
RS		 2212 if (seen < 0) {
2213 BIO_printf(bio_err, "BIO_read failed\n");
2214 goto end;
2215 }
2216 mbuf[seen] = '\0';
7e1b7485
RS		 2217 while (!strstr
2218 (mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")
2219 && !strstr(mbuf,
2220 "<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\""))
2221 {
2222 seen = BIO_read(sbio, mbuf, BUFSIZZ);
0f113f3e 2223
7e1b7485
RS		 2224 if (seen <= 0)
2225 goto shut;
0f113f3e 2226
20967afb 2227 mbuf[seen] = '\0';
7e1b7485
RS		 2228 }
2229 BIO_printf(sbio,
2230 "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
2231 seen = BIO_read(sbio, sbuf, BUFSIZZ);
20967afb
RS		 2232 if (seen < 0) {
2233 BIO_printf(bio_err, "BIO_read failed\n");
2234 goto shut;
2235 }
2236 sbuf[seen] = '\0';
7e1b7485
RS		 2237 if (!strstr(sbuf, "<proceed"))
2238 goto shut;
20967afb 2239 mbuf[0] = '\0';
0f113f3e 2240 }
7e1b7485 2241 break;
d8c25de5
RS		 2242 case PROTO_TELNET:
2243 {
2244 static const unsigned char tls_do[] = {
2245 /* IAC DO START_TLS */
2246 255, 253, 46
2247 };
2248 static const unsigned char tls_will[] = {
2249 /* IAC WILL START_TLS */
2250 255, 251, 46
2251 };
2252 static const unsigned char tls_follows[] = {
2253 /* IAC SB START_TLS FOLLOWS IAC SE */
2254 255, 250, 46, 1, 255, 240
2255 };
2256 int bytes;
2257
2258 /* Telnet server should demand we issue START_TLS */
2259 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
2260 if (bytes != 3 || memcmp(mbuf, tls_do, 3) != 0)
2261 goto shut;
2262 /* Agree to issue START_TLS and send the FOLLOWS sub-command */
2263 BIO_write(sbio, tls_will, 3);
2264 BIO_write(sbio, tls_follows, 6);
2265 (void)BIO_flush(sbio);
2266 /* Telnet server also sent the FOLLOWS sub-command */
2267 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
2268 if (bytes != 6 || memcmp(mbuf, tls_follows, 6) != 0)
2269 goto shut;
2270 }
552bf8ec
MT		 2271 break;
2272 case PROTO_CONNECT:
2273 {
ec2a0e60
RL		 2274 enum {
2275 error_proto, /* Wrong protocol, not even HTTP */
2276 error_connect, /* CONNECT failed */
2277 success
2278 } foundit = error_connect;
552bf8ec
MT		 2279 BIO *fbio = BIO_new(BIO_f_buffer());
2280
2281 BIO_push(fbio, sbio);
8230f6c7 2282 BIO_printf(fbio, "CONNECT %s HTTP/1.0\r\n\r\n", connectstr);
552bf8ec 2283 (void)BIO_flush(fbio);
ec2a0e60
RL		 2284 /*
2285 * The first line is the HTTP response. According to RFC 7230,
2286 * it's formated exactly like this:
2287 *
2288 * HTTP/d.d ddd Reason text\r\n
2289 */
2290 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
3dce1099
RS		 2291 if (mbuf_len < (int)strlen("HTTP/1.0 200")) {
2292 BIO_printf(bio_err,
2293 "%s: HTTP CONNECT failed, insufficient response "
2294 "from proxy (got %d octets)\n", prog, mbuf_len);
2295 (void)BIO_flush(fbio);
2296 BIO_pop(fbio);
2297 BIO_free(fbio);
2298 goto shut;
2299 }
ec2a0e60
RL		 2300 if (mbuf[8] != ' ') {
2301 BIO_printf(bio_err,
2302 "%s: HTTP CONNECT failed, incorrect response "
2303 "from proxy\n", prog);
2304 foundit = error_proto;
2305 } else if (mbuf[9] != '2') {
2306 BIO_printf(bio_err, "%s: HTTP CONNECT failed: %s ", prog,
2307 &mbuf[9]);
2308 } else {
2309 foundit = success;
2310 }
2311 if (foundit != error_proto) {
2312 /* Read past all following headers */
2313 do {
2314 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2315 } while (mbuf_len > 2);
2316 }
552bf8ec
MT		 2317 (void)BIO_flush(fbio);
2318 BIO_pop(fbio);
2319 BIO_free(fbio);
ec2a0e60 2320 if (foundit != success) {
552bf8ec
MT		 2321 goto shut;
2322 }
2323 }
2324 break;
cfb4f1ef
NPB		 2325 case PROTO_IRC:
2326 {
2327 int numeric;
2328 BIO *fbio = BIO_new(BIO_f_buffer());
2329
2330 BIO_push(fbio, sbio);
2331 BIO_printf(fbio, "STARTTLS\r\n");
2332 (void)BIO_flush(fbio);
2333 width = SSL_get_fd(con) + 1;
2334
2335 do {
2336 numeric = 0;
2337
2338 FD_ZERO(&readfds);
2339 openssl_fdset(SSL_get_fd(con), &readfds);
2340 timeout.tv_sec = S_CLIENT_IRC_READ_TIMEOUT;
2341 timeout.tv_usec = 0;
2342 /*
2343 * If the IRCd doesn't respond within
2344 * S_CLIENT_IRC_READ_TIMEOUT seconds, assume
2345 * it doesn't support STARTTLS. Many IRCds
2346 * will not give _any_ sort of response to a
2347 * STARTTLS command when it's not supported.
2348 */
2349 if (!BIO_get_buffer_num_lines(fbio)
2350 && !BIO_pending(fbio)
2351 && !BIO_pending(sbio)
2352 && select(width, (void *)&readfds, NULL, NULL,
2353 &timeout) < 1) {
2354 BIO_printf(bio_err,
2355 "Timeout waiting for response (%d seconds).\n",
2356 S_CLIENT_IRC_READ_TIMEOUT);
2357 break;
2358 }
2359
2360 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2361 if (mbuf_len < 1 || sscanf(mbuf, "%*s %d", &numeric) != 1)
2362 break;
2363 /* :example.net 451 STARTTLS :You have not registered */
2364 /* :example.net 421 STARTTLS :Unknown command */
2365 if ((numeric == 451 || numeric == 421)
2366 && strstr(mbuf, "STARTTLS") != NULL) {
2367 BIO_printf(bio_err, "STARTTLS not supported: %s", mbuf);
2368 break;
2369 }
2370 if (numeric == 691) {
2371 BIO_printf(bio_err, "STARTTLS negotiation failed: ");
2372 ERR_print_errors(bio_err);
2373 break;
2374 }
2375 } while (numeric != 670);
2376
2377 (void)BIO_flush(fbio);
2378 BIO_pop(fbio);
2379 BIO_free(fbio);
2380 if (numeric != 670) {
2381 BIO_printf(bio_err, "Server does not support STARTTLS.\n");
2382 ret = 1;
2383 goto shut;
2384 }
2385 }
b2e54eb8 2386 break;
a2d9cfba
KT		 2387 case PROTO_MYSQL:
2388 {
2389 /* SSL request packet */
2390 static const unsigned char ssl_req[] = {
2391 /* payload_length, sequence_id */
2392 0x20, 0x00, 0x00, 0x01,
2393 /* payload */
2394 /* capability flags, CLIENT_SSL always set */
2395 0x85, 0xae, 0x7f, 0x00,
2396 /* max-packet size */
2397 0x00, 0x00, 0x00, 0x01,
2398 /* character set */
2399 0x21,
2400 /* string[23] reserved (all [0]) */
2401 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
2402 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
2403 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
2404 };
2405 int bytes = 0;
2406 int ssl_flg = 0x800;
2407 int pos;
2408 const unsigned char *packet = (const unsigned char *)sbuf;
2409
2410 /* Receiving Initial Handshake packet. */
2411 bytes = BIO_read(sbio, (void *)packet, BUFSIZZ);
2412 if (bytes < 0) {
2413 BIO_printf(bio_err, "BIO_read failed\n");
2414 goto shut;
2415 /* Packet length[3], Packet number[1] + minimum payload[17] */
2416 } else if (bytes < 21) {
2417 BIO_printf(bio_err, "MySQL packet too short.\n");
2418 goto shut;
2419 } else if (bytes != (4 + packet[0] +
2420 (packet[1] << 8) +
2421 (packet[2] << 16))) {
2422 BIO_printf(bio_err, "MySQL packet length does not match.\n");
2423 goto shut;
2424 /* protocol version[1] */
2425 } else if (packet[4] != 0xA) {
2426 BIO_printf(bio_err,
2427 "Only MySQL protocol version 10 is supported.\n");
2428 goto shut;
2429 }
2430
2431 pos = 5;
2432 /* server version[string+NULL] */
2433 for (;;) {
2434 if (pos >= bytes) {
2435 BIO_printf(bio_err, "Cannot confirm server version. ");
2436 goto shut;
2437 } else if (packet[pos++] == '\0') {
2438 break;
2439 }
a2d9cfba
KT		 2440 }
2441
8530039a 2442 /* make sure we have at least 15 bytes left in the packet */
a2d9cfba
KT		 2443 if (pos + 15 > bytes) {
2444 BIO_printf(bio_err,
2445 "MySQL server handshake packet is broken.\n");
2446 goto shut;
2447 }
2448
2449 pos += 12; /* skip over conn id[4] + SALT[8] */
2450 if (packet[pos++] != '\0') { /* verify filler */
2451 BIO_printf(bio_err,
2452 "MySQL packet is broken.\n");
2453 goto shut;
2454 }
2455
2456 /* capability flags[2] */
2457 if (!((packet[pos] + (packet[pos + 1] << 8)) & ssl_flg)) {
2458 BIO_printf(bio_err, "MySQL server does not support SSL.\n");
2459 goto shut;
2460 }
2461
2462 /* Sending SSL Handshake packet. */
2463 BIO_write(sbio, ssl_req, sizeof(ssl_req));
2464 (void)BIO_flush(sbio);
2465 }
2466 break;
b2e54eb8
VV		 2467 case PROTO_POSTGRES:
2468 {
2469 static const unsigned char ssl_request[] = {
2470 /* Length SSLRequest */
2471 0, 0, 0, 8, 4, 210, 22, 47
2472 };
2473 int bytes;
2474
2475 /* Send SSLRequest packet */
2476 BIO_write(sbio, ssl_request, 8);
2477 (void)BIO_flush(sbio);
2478
2479 /* Reply will be a single S if SSL is enabled */
2480 bytes = BIO_read(sbio, sbuf, BUFSIZZ);
2481 if (bytes != 1 || sbuf[0] != 'S')
2482 goto shut;
2483 }
2484 break;
8f85aa6b
RS		 2485 case PROTO_NNTP:
2486 {
2487 int foundit = 0;
2488 BIO *fbio = BIO_new(BIO_f_buffer());
2489
2490 BIO_push(fbio, sbio);
2491 BIO_gets(fbio, mbuf, BUFSIZZ);
2492 /* STARTTLS command requires CAPABILITIES... */
2493 BIO_printf(fbio, "CAPABILITIES\r\n");
2494 (void)BIO_flush(fbio);
2495 /* wait for multi-line CAPABILITIES response */
2496 do {
2497 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2498 if (strstr(mbuf, "STARTTLS"))
2499 foundit = 1;
2500 } while (mbuf_len > 1 && mbuf[0] != '.');
2501 (void)BIO_flush(fbio);
2502 BIO_pop(fbio);
2503 BIO_free(fbio);
2504 if (!foundit)
2505 BIO_printf(bio_err,
2506 "Didn't find STARTTLS in server response,"
2507 " trying anyway...\n");
2508 BIO_printf(sbio, "STARTTLS\r\n");
af7e05c7
RS		 2509 mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ);
2510 if (mbuf_len < 0) {
2511 BIO_printf(bio_err, "BIO_read failed\n");
2512 goto end;
2513 }
2514 mbuf[mbuf_len] = '\0';
2515 if (strstr(mbuf, "382") == NULL) {
2516 BIO_printf(bio_err, "STARTTLS failed: %s", mbuf);
2517 goto shut;
2518 }
8f85aa6b
RS		 2519 }
2520 break;
20967afb
RS		 2521 case PROTO_SIEVE:
2522 {
2523 int foundit = 0;
2524 BIO *fbio = BIO_new(BIO_f_buffer());
2525
2526 BIO_push(fbio, sbio);
2527 /* wait for multi-line response to end from Sieve */
2528 do {
2529 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2530 /*
2531 * According to RFC 5804 § 1.7, capability
2532 * is case-insensitive, make it uppercase
2533 */
2534 if (mbuf_len > 1 && mbuf[0] == '"') {
2535 make_uppercase(mbuf);
2536 if (strncmp(mbuf, "\"STARTTLS\"", 10) == 0)
2537 foundit = 1;
2538 }
2539 } while (mbuf_len > 1 && mbuf[0] == '"');
2540 (void)BIO_flush(fbio);
2541 BIO_pop(fbio);
2542 BIO_free(fbio);
2543 if (!foundit)
2544 BIO_printf(bio_err,
2545 "Didn't find STARTTLS in server response,"
2546 " trying anyway...\n");
2547 BIO_printf(sbio, "STARTTLS\r\n");
2548 mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ);
2549 if (mbuf_len < 0) {
2550 BIO_printf(bio_err, "BIO_read failed\n");
2551 goto end;
af7e05c7
RS		 2552 }
2553 mbuf[mbuf_len] = '\0';
2554 if (mbuf_len < 2) {
2555 BIO_printf(bio_err, "STARTTLS failed: %s", mbuf);
20967afb
RS		 2556 goto shut;
2557 }
2558 /*
2559 * According to RFC 5804 § 2.2, response codes are case-
2560 * insensitive, make it uppercase but preserve the response.
2561 */
20967afb
RS		 2562 strncpy(sbuf, mbuf, 2);
2563 make_uppercase(sbuf);
2564 if (strncmp(sbuf, "OK", 2) != 0) {
2565 BIO_printf(bio_err, "STARTTLS not supported: %s", mbuf);
2566 goto shut;
2567 }
2568 }
2569 break;
398b0bbd
RS		 2570 case PROTO_LDAP:
2571 {
2572 /* StartTLS Operation according to RFC 4511 */
2573 static char ldap_tls_genconf[] = "asn1=SEQUENCE:LDAPMessage\n"
2574 "[LDAPMessage]\n"
2575 "messageID=INTEGER:1\n"
2576 "extendedReq=EXPLICIT:23A,IMPLICIT:0C,"
2577 "FORMAT:ASCII,OCT:1.3.6.1.4.1.1466.20037\n";
2578 long errline = -1;
2579 char *genstr = NULL;
2580 int result = -1;
2581 ASN1_TYPE *atyp = NULL;
2582 BIO *ldapbio = BIO_new(BIO_s_mem());
2583 CONF *cnf = NCONF_new(NULL);
2584
2585 if (cnf == NULL) {
2586 BIO_free(ldapbio);
2587 goto end;
2588 }
2589 BIO_puts(ldapbio, ldap_tls_genconf);
2590 if (NCONF_load_bio(cnf, ldapbio, &errline) <= 0) {
2591 BIO_free(ldapbio);
2592 NCONF_free(cnf);
2593 if (errline <= 0) {
2594 BIO_printf(bio_err, "NCONF_load_bio failed\n");
2595 goto end;
2596 } else {
2597 BIO_printf(bio_err, "Error on line %ld\n", errline);
2598 goto end;
2599 }
2600 }
2601 BIO_free(ldapbio);
2602 genstr = NCONF_get_string(cnf, "default", "asn1");
2603 if (genstr == NULL) {
2604 NCONF_free(cnf);
2605 BIO_printf(bio_err, "NCONF_get_string failed\n");
2606 goto end;
2607 }
2608 atyp = ASN1_generate_nconf(genstr, cnf);
2609 if (atyp == NULL) {
2610 NCONF_free(cnf);
2611 BIO_printf(bio_err, "ASN1_generate_nconf failed\n");
2612 goto end;
2613 }
2614 NCONF_free(cnf);
2615
2616 /* Send SSLRequest packet */
2617 BIO_write(sbio, atyp->value.sequence->data,
2618 atyp->value.sequence->length);
2619 (void)BIO_flush(sbio);
2620 ASN1_TYPE_free(atyp);
2621
2622 mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ);
2623 if (mbuf_len < 0) {
2624 BIO_printf(bio_err, "BIO_read failed\n");
2625 goto end;
2626 }
2627 result = ldap_ExtendedResponse_parse(mbuf, mbuf_len);
2628 if (result < 0) {
2629 BIO_printf(bio_err, "ldap_ExtendedResponse_parse failed\n");
2630 goto shut;
2631 } else if (result > 0) {
2632 BIO_printf(bio_err, "STARTTLS failed, LDAP Result Code: %i\n",
2633 result);
2634 goto shut;
2635 }
2636 mbuf_len = 0;
2637 }
2638 break;
0f113f3e
MC		 2639 }
2640
0a5ece5b 2641 if (early_data_file != NULL
add8d0e9
MC		 2642 && ((SSL_get0_session(con) != NULL
2643 && SSL_SESSION_get_max_early_data(SSL_get0_session(con)) > 0)
2644 || (psksess != NULL
2645 && SSL_SESSION_get_max_early_data(psksess) > 0))) {
923ac827
MC		 2646 BIO *edfile = BIO_new_file(early_data_file, "r");
2647 size_t readbytes, writtenbytes;
2648 int finish = 0;
2649
2650 if (edfile == NULL) {
2651 BIO_printf(bio_err, "Cannot open early data file\n");
2652 goto shut;
2653 }
2654
2655 while (!finish) {
2656 if (!BIO_read_ex(edfile, cbuf, BUFSIZZ, &readbytes))
2657 finish = 1;
2658
0665b4ed 2659 while (!SSL_write_early_data(con, cbuf, readbytes, &writtenbytes)) {
923ac827
MC		 2660 switch (SSL_get_error(con, 0)) {
2661 case SSL_ERROR_WANT_WRITE:
2662 case SSL_ERROR_WANT_ASYNC:
2663 case SSL_ERROR_WANT_READ:
2664 /* Just keep trying - busy waiting */
2665 continue;
2666 default:
2667 BIO_printf(bio_err, "Error writing early data\n");
2668 BIO_free(edfile);
dd5b98c5 2669 ERR_print_errors(bio_err);
923ac827
MC		 2670 goto shut;
2671 }
2672 }
2673 }
2674
2675 BIO_free(edfile);
2676 }
2677
0f113f3e
MC		 2678 for (;;) {
2679 FD_ZERO(&readfds);
2680 FD_ZERO(&writefds);
2681
2682 if ((SSL_version(con) == DTLS1_VERSION) &&
2683 DTLSv1_get_timeout(con, &timeout))
2684 timeoutp = &timeout;
2685 else
2686 timeoutp = NULL;
2687
12557a34 2688 if (!SSL_is_init_finished(con) && SSL_total_renegotiations(con) == 0
b07b2a1b 2689 && SSL_get_key_update_type(con) == SSL_KEY_UPDATE_NONE) {
0f113f3e
MC		 2690 in_init = 1;
2691 tty_on = 0;
2692 } else {
2693 tty_on = 1;
2694 if (in_init) {
2695 in_init = 0;
e481f9b9 2696
0f113f3e
MC		 2697 if (c_brief) {
2698 BIO_puts(bio_err, "CONNECTION ESTABLISHED\n");
ecf3a1fb 2699 print_ssl_summary(con);
0f113f3e
MC		 2700 }
2701
0d4d5ab8 2702 print_stuff(bio_c_out, con, full_log);
0f113f3e
MC		 2703 if (full_log > 0)
2704 full_log--;
2705
2706 if (starttls_proto) {
7e1b7485 2707 BIO_write(bio_err, mbuf, mbuf_len);
0f113f3e 2708 /* We don't need to know any more */
7e1b7485
RS		 2709 if (!reconnect)
2710 starttls_proto = PROTO_OFF;
0f113f3e
MC		 2711 }
2712
2713 if (reconnect) {
2714 reconnect--;
2715 BIO_printf(bio_c_out,
2716 "drop connection and then reconnect\n");
ec447924 2717 do_ssl_shutdown(con);
0f113f3e 2718 SSL_set_connect_state(con);
8731a4fc 2719 BIO_closesocket(SSL_get_fd(con));
0f113f3e
MC		 2720 goto re_start;
2721 }
2722 }
2723 }
2724
fd068d50 2725 ssl_pending = read_ssl && SSL_has_pending(con);
0f113f3e
MC		 2726
2727 if (!ssl_pending) {
1fbab1dc 2728#if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
0f113f3e 2729 if (tty_on) {
a3ef2c16
JD		 2730 /*
2731 * Note that select() returns when read _would not block_,
2732 * and EOF satisfies that. To avoid a CPU-hogging loop,
2733 * set the flag so we exit.
2734 */
2735 if (read_tty && !at_eof)
51e5133d
RL		 2736 openssl_fdset(fileno_stdin(), &readfds);
2737#if !defined(OPENSSL_SYS_VMS)
0f113f3e 2738 if (write_tty)
51e5133d 2739 openssl_fdset(fileno_stdout(), &writefds);
0d3b6583 2740#endif
0f113f3e
MC		 2741 }
2742 if (read_ssl)
2743 openssl_fdset(SSL_get_fd(con), &readfds);
2744 if (write_ssl)
2745 openssl_fdset(SSL_get_fd(con), &writefds);
06f4536a 2746#else
0f113f3e
MC		 2747 if (!tty_on || !write_tty) {
2748 if (read_ssl)
2749 openssl_fdset(SSL_get_fd(con), &readfds);
2750 if (write_ssl)
2751 openssl_fdset(SSL_get_fd(con), &writefds);
2752 }
2753#endif
0f113f3e
MC		 2754
2755 /*
2756 * Note: under VMS with SOCKETSHR the second parameter is
2757 * currently of type (int *) whereas under other systems it is
2758 * (void *) if you don't have a cast it will choke the compiler:
2759 * if you do have a cast then you can either go for (int *) or
2760 * (void *).
2761 */
3d7c4a5a 2762#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
0f113f3e
MC		 2763 /*
2764 * Under Windows/DOS we make the assumption that we can always
2765 * write to the tty: therefore if we need to write to the tty we
2766 * just fall through. Otherwise we timeout the select every
2767 * second and see if there are any keypresses. Note: this is a
2768 * hack, in a proper Windows application we wouldn't do this.
2769 */
2770 i = 0;
2771 if (!write_tty) {
2772 if (read_tty) {
2773 tv.tv_sec = 1;
2774 tv.tv_usec = 0;
2775 i = select(width, (void *)&readfds, (void *)&writefds,
2776 NULL, &tv);
75dd6c1a 2777 if (!i && (!has_stdin_waiting() || !read_tty))
0f113f3e 2778 continue;
0f113f3e
MC		 2779 } else
2780 i = select(width, (void *)&readfds, (void *)&writefds,
2781 NULL, timeoutp);
2782 }
06f4536a 2783#else
0f113f3e
MC		 2784 i = select(width, (void *)&readfds, (void *)&writefds,
2785 NULL, timeoutp);
2786#endif
2787 if (i < 0) {
2788 BIO_printf(bio_err, "bad select %d\n",
2789 get_last_socket_error());
2790 goto shut;
0f113f3e
MC		 2791 }
2792 }
2793
2794 if ((SSL_version(con) == DTLS1_VERSION)
2795 && DTLSv1_handle_timeout(con) > 0) {
2796 BIO_printf(bio_err, "TIMEOUT occurred\n");
2797 }
2798
2799 if (!ssl_pending && FD_ISSET(SSL_get_fd(con), &writefds)) {
2800 k = SSL_write(con, &(cbuf[cbuf_off]), (unsigned int)cbuf_len);
2801 switch (SSL_get_error(con, k)) {
2802 case SSL_ERROR_NONE:
2803 cbuf_off += k;
2804 cbuf_len -= k;
2805 if (k <= 0)
2806 goto end;
2807 /* we have done a write(con,NULL,0); */
2808 if (cbuf_len <= 0) {
2809 read_tty = 1;
2810 write_ssl = 0;
2811 } else { /* if (cbuf_len > 0) */
2812
2813 read_tty = 0;
2814 write_ssl = 1;
2815 }
2816 break;
2817 case SSL_ERROR_WANT_WRITE:
2818 BIO_printf(bio_c_out, "write W BLOCK\n");
2819 write_ssl = 1;
2820 read_tty = 0;
2821 break;
7e25dd6d
MC		 2822 case SSL_ERROR_WANT_ASYNC:
2823 BIO_printf(bio_c_out, "write A BLOCK\n");
e1b9840e 2824 wait_for_async(con);
7e25dd6d
MC		 2825 write_ssl = 1;
2826 read_tty = 0;
2827 break;
0f113f3e
MC		 2828 case SSL_ERROR_WANT_READ:
2829 BIO_printf(bio_c_out, "write R BLOCK\n");
2830 write_tty = 0;
2831 read_ssl = 1;
2832 write_ssl = 0;
2833 break;
2834 case SSL_ERROR_WANT_X509_LOOKUP:
2835 BIO_printf(bio_c_out, "write X BLOCK\n");
2836 break;
2837 case SSL_ERROR_ZERO_RETURN:
2838 if (cbuf_len != 0) {
2839 BIO_printf(bio_c_out, "shutdown\n");
2840 ret = 0;
2841 goto shut;
2842 } else {
2843 read_tty = 1;
2844 write_ssl = 0;
2845 break;
2846 }
2847
2848 case SSL_ERROR_SYSCALL:
2849 if ((k != 0) || (cbuf_len != 0)) {
2850 BIO_printf(bio_err, "write:errno=%d\n",
2851 get_last_socket_error());
2852 goto shut;
2853 } else {
2854 read_tty = 1;
2855 write_ssl = 0;
2856 }
2857 break;
fc7f190c
MC		 2858 case SSL_ERROR_WANT_ASYNC_JOB:
2859 /* This shouldn't ever happen in s_client - treat as an error */
0f113f3e
MC		 2860 case SSL_ERROR_SSL:
2861 ERR_print_errors(bio_err);
2862 goto shut;
2863 }
2864 }
c7bdb6a3 2865#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_VMS)
0f113f3e
MC		 2866 /* Assume Windows/DOS/BeOS can always write */
2867 else if (!ssl_pending && write_tty)
06f4536a 2868#else
51e5133d 2869 else if (!ssl_pending && FD_ISSET(fileno_stdout(), &writefds))
06f4536a 2870#endif
0f113f3e 2871 {
a53955d8 2872#ifdef CHARSET_EBCDIC
0f113f3e
MC		 2873 ascii2ebcdic(&(sbuf[sbuf_off]), &(sbuf[sbuf_off]), sbuf_len);
2874#endif
2875 i = raw_write_stdout(&(sbuf[sbuf_off]), sbuf_len);
2876
2877 if (i <= 0) {
2878 BIO_printf(bio_c_out, "DONE\n");
2879 ret = 0;
2880 goto shut;
0f113f3e
MC		 2881 }
2882
0fe2a0af 2883 sbuf_len -= i;
0f113f3e
MC		 2884 sbuf_off += i;
2885 if (sbuf_len <= 0) {
2886 read_ssl = 1;
2887 write_tty = 0;
2888 }
2889 } else if (ssl_pending || FD_ISSET(SSL_get_fd(con), &readfds)) {
58964a49 2890#ifdef RENEG
0f113f3e
MC		 2891 {
2892 static int iiii;
2893 if (++iiii == 52) {
2894 SSL_renegotiate(con);
2895 iiii = 0;
2896 }
2897 }
58964a49 2898#endif
0f113f3e 2899 k = SSL_read(con, sbuf, 1024 /* BUFSIZZ */ );
0f113f3e
MC		 2900
2901 switch (SSL_get_error(con, k)) {
2902 case SSL_ERROR_NONE:
2903 if (k <= 0)
2904 goto end;
2905 sbuf_off = 0;
2906 sbuf_len = k;
2907
2908 read_ssl = 0;
2909 write_tty = 1;
2910 break;
7e25dd6d
MC		 2911 case SSL_ERROR_WANT_ASYNC:
2912 BIO_printf(bio_c_out, "read A BLOCK\n");
e1b9840e 2913 wait_for_async(con);
7e25dd6d
MC		 2914 write_tty = 0;
2915 read_ssl = 1;
2916 if ((read_tty == 0) && (write_ssl == 0))
2917 write_ssl = 1;
2918 break;
0f113f3e
MC		 2919 case SSL_ERROR_WANT_WRITE:
2920 BIO_printf(bio_c_out, "read W BLOCK\n");
2921 write_ssl = 1;
2922 read_tty = 0;
2923 break;
2924 case SSL_ERROR_WANT_READ:
2925 BIO_printf(bio_c_out, "read R BLOCK\n");
2926 write_tty = 0;
2927 read_ssl = 1;
2928 if ((read_tty == 0) && (write_ssl == 0))
2929 write_ssl = 1;
2930 break;
2931 case SSL_ERROR_WANT_X509_LOOKUP:
2932 BIO_printf(bio_c_out, "read X BLOCK\n");
2933 break;
2934 case SSL_ERROR_SYSCALL:
2935 ret = get_last_socket_error();
2936 if (c_brief)
2937 BIO_puts(bio_err, "CONNECTION CLOSED BY SERVER\n");
2938 else
2939 BIO_printf(bio_err, "read:errno=%d\n", ret);
2940 goto shut;
2941 case SSL_ERROR_ZERO_RETURN:
2942 BIO_printf(bio_c_out, "closed\n");
2943 ret = 0;
2944 goto shut;
fc7f190c
MC		 2945 case SSL_ERROR_WANT_ASYNC_JOB:
2946 /* This shouldn't ever happen in s_client. Treat as an error */
0f113f3e
MC		 2947 case SSL_ERROR_SSL:
2948 ERR_print_errors(bio_err);
2949 goto shut;
0f113f3e
MC		 2950 }
2951 }
75dd6c1a
MC		 2952/* OPENSSL_SYS_MSDOS includes OPENSSL_SYS_WINDOWS */
2953#if defined(OPENSSL_SYS_MSDOS)
2954 else if (has_stdin_waiting())
06f4536a 2955#else
51e5133d 2956 else if (FD_ISSET(fileno_stdin(), &readfds))
0f113f3e
MC		 2957#endif
2958 {
2959 if (crlf) {
2960 int j, lf_num;
2961
2962 i = raw_read_stdin(cbuf, BUFSIZZ / 2);
2963 lf_num = 0;
2964 /* both loops are skipped when i <= 0 */
2965 for (j = 0; j < i; j++)
2966 if (cbuf[j] == '\n')
2967 lf_num++;
2968 for (j = i - 1; j >= 0; j--) {
2969 cbuf[j + lf_num] = cbuf[j];
2970 if (cbuf[j] == '\n') {
2971 lf_num--;
2972 i++;
2973 cbuf[j + lf_num] = '\r';
2974 }
2975 }
2976 assert(lf_num == 0);
51e5133d 2977 } else
c7bdb6a3 2978 i = raw_read_stdin(cbuf, BUFSIZZ);
d485640b 2979#if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
a3ef2c16
JD		 2980 if (i == 0)
2981 at_eof = 1;
d485640b 2982#endif
a3ef2c16 2983
6ba8a5b7 2984 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q' && cmdletters))) {
0f113f3e
MC		 2985 BIO_printf(bio_err, "DONE\n");
2986 ret = 0;
2987 goto shut;
2988 }
2989
6ba8a5b7 2990 if ((!c_ign_eof) && (cbuf[0] == 'R' && cmdletters)) {
0f113f3e
MC		 2991 BIO_printf(bio_err, "RENEGOTIATING\n");
2992 SSL_renegotiate(con);
2993 cbuf_len = 0;
2994 }
b07b2a1b 2995
f14afcaa
MC		 2996 if (!c_ign_eof && (cbuf[0] == 'K' || cbuf[0] == 'k' )
2997 && cmdletters) {
b07b2a1b
MC		 2998 BIO_printf(bio_err, "KEYUPDATE\n");
2999 SSL_key_update(con,
3000 cbuf[0] == 'K' ? SSL_KEY_UPDATE_REQUESTED
3001 : SSL_KEY_UPDATE_NOT_REQUESTED);
3002 cbuf_len = 0;
3003 }
b612799a
RL		 3004#ifndef OPENSSL_NO_HEARTBEATS
3005 else if ((!c_ign_eof) && (cbuf[0] == 'B' && cmdletters)) {
3006 BIO_printf(bio_err, "HEARTBEATING\n");
3007 SSL_heartbeat(con);
3008 cbuf_len = 0;
3009 }
3010#endif
0f113f3e
MC		 3011 else {
3012 cbuf_len = i;
3013 cbuf_off = 0;
a53955d8 3014#ifdef CHARSET_EBCDIC
0f113f3e
MC		 3015 ebcdic2ascii(cbuf, cbuf, i);
3016#endif
3017 }
3018
3019 write_ssl = 1;
3020 read_tty = 0;
3021 }
3022 }
3023
3024 ret = 0;
3025 shut:
3026 if (in_init)
0d4d5ab8 3027 print_stuff(bio_c_out, con, full_log);
ec447924 3028 do_ssl_shutdown(con);
27da42d8 3029
cb2e10f2
MC		 3030 /*
3031 * Give the socket time to send its last data before we close it.
3032 * No amount of setting SO_LINGER etc on the socket seems to persuade
3033 * Windows to send the data before closing the socket...but sleeping
3034 * for a short time seems to do it (units in ms)
3035 * TODO: Find a better way to do this
3036 */
27da42d8 3037#if defined(OPENSSL_SYS_WINDOWS)
cb2e10f2 3038 Sleep(50);
27da42d8
RL		 3039#elif defined(OPENSSL_SYS_CYGWIN)
3040 usleep(50000);
cb2e10f2 3041#endif
27da42d8 3042
26ec943e
BE		 3043 /*
3044 * If we ended with an alert being sent, but still with data in the
3045 * network buffer to be read, then calling BIO_closesocket() will
3046 * result in a TCP-RST being sent. On some platforms (notably
3047 * Windows) then this will result in the peer immediately abandoning
3048 * the connection including any buffered alert data before it has
3049 * had a chance to be read. Shutting down the sending side first,
3050 * and then closing the socket sends TCP-FIN first followed by
3051 * TCP-RST. This seems to allow the peer to read the alert data.
3052 */
3053 shutdown(SSL_get_fd(con), 1); /* SHUT_WR */
8731a4fc 3054 BIO_closesocket(SSL_get_fd(con));
0f113f3e
MC		 3055 end:
3056 if (con != NULL) {
3057 if (prexit != 0)
0d4d5ab8 3058 print_stuff(bio_c_out, con, 1);
0f113f3e
MC		 3059 SSL_free(con);
3060 }
9561e2a1 3061 SSL_SESSION_free(psksess);
e481f9b9 3062#if !defined(OPENSSL_NO_NEXTPROTONEG)
b548a1f1 3063 OPENSSL_free(next_proto.data);
0f113f3e 3064#endif
62adbcee 3065 SSL_CTX_free(ctx);
4bf73e9f 3066 set_keylog_file(NULL, NULL);
222561fe 3067 X509_free(cert);
4b45c6e5 3068 sk_X509_CRL_pop_free(crls, X509_CRL_free);
c5ba2d99 3069 EVP_PKEY_free(key);
222561fe 3070 sk_X509_pop_free(chain, X509_free);
b548a1f1 3071 OPENSSL_free(pass);
d40a1f72
DSH		 3072#ifndef OPENSSL_NO_SRP
3073 OPENSSL_free(srp_arg.srppassin);
3074#endif
eb67172a 3075 OPENSSL_free(connectstr);
ab69ac00
RL		 3076 OPENSSL_free(host);
3077 OPENSSL_free(port);
222561fe 3078 X509_VERIFY_PARAM_free(vpm);
0f113f3e 3079 ssl_excert_free(exc);
7e1b7485 3080 sk_OPENSSL_STRING_free(ssl_args);
cddd424a 3081 sk_OPENSSL_STRING_free(dane_tlsa_rrset);
62adbcee 3082 SSL_CONF_CTX_free(cctx);
4b45c6e5
RS		 3083 OPENSSL_clear_free(cbuf, BUFSIZZ);
3084 OPENSSL_clear_free(sbuf, BUFSIZZ);
3085 OPENSSL_clear_free(mbuf, BUFSIZZ);
dd1abd44 3086 release_engine(e);
ca3a82c3
RS		 3087 BIO_free(bio_c_out);
3088 bio_c_out = NULL;
3089 BIO_free(bio_c_msg);
3090 bio_c_msg = NULL;
26a7d938 3091 return ret;
0f113f3e 3092}
d02b48c6 3093
0d4d5ab8 3094static void print_stuff(BIO *bio, SSL *s, int full)
0f113f3e
MC		 3095{
3096 X509 *peer = NULL;
0f113f3e 3097 STACK_OF(X509) *sk;
0f113f3e 3098 const SSL_CIPHER *c;
0f113f3e 3099 int i;
09b6c2ef 3100#ifndef OPENSSL_NO_COMP
0f113f3e
MC		 3101 const COMP_METHOD *comp, *expansion;
3102#endif
3103 unsigned char *exportedkeymat;
dd696a55 3104#ifndef OPENSSL_NO_CT
0d4d5ab8 3105 const SSL_CTX *ctx = SSL_get_SSL_CTX(s);
b5369582 3106#endif
0f113f3e
MC		 3107
3108 if (full) {
3109 int got_a_chain = 0;
3110
3111 sk = SSL_get_peer_cert_chain(s);
3112 if (sk != NULL) {
7e1b7485 3113 got_a_chain = 1;
0f113f3e
MC		 3114
3115 BIO_printf(bio, "---\nCertificate chain\n");
3116 for (i = 0; i < sk_X509_num(sk); i++) {
b5c4209b
DB		 3117 BIO_printf(bio, "%2d s:", i);
3118 X509_NAME_print_ex(bio, X509_get_subject_name(sk_X509_value(sk, i)), 0, get_nameopt());
3119 BIO_puts(bio, "\n");
3120 BIO_printf(bio, " i:");
3121 X509_NAME_print_ex(bio, X509_get_issuer_name(sk_X509_value(sk, i)), 0, get_nameopt());
3122 BIO_puts(bio, "\n");
0f113f3e
MC		 3123 if (c_showcerts)
3124 PEM_write_bio_X509(bio, sk_X509_value(sk, i));
3125 }
3126 }
3127
3128 BIO_printf(bio, "---\n");
3129 peer = SSL_get_peer_certificate(s);
3130 if (peer != NULL) {
3131 BIO_printf(bio, "Server certificate\n");
3132
3133 /* Redundant if we showed the whole chain */
3134 if (!(c_showcerts && got_a_chain))
3135 PEM_write_bio_X509(bio, peer);
b5c4209b 3136 dump_cert_text(bio, peer);
0f113f3e 3137 } else {
5969a2dd 3138 BIO_printf(bio, "no peer certificate available\n");
0f113f3e 3139 }
5969a2dd 3140 print_ca_names(bio, s);
0f113f3e
MC		 3141
3142 ssl_print_sigalgs(bio, s);
3143 ssl_print_tmp_key(bio, s);
3144
dd696a55 3145#ifndef OPENSSL_NO_CT
43341433
VD		 3146 /*
3147 * When the SSL session is anonymous, or resumed via an abbreviated
3148 * handshake, no SCTs are provided as part of the handshake. While in
3149 * a resumed session SCTs may be present in the session's certificate,
3150 * no callbacks are invoked to revalidate these, and in any case that
3151 * set of SCTs may be incomplete. Thus it makes little sense to
3152 * attempt to display SCTs from a resumed session's certificate, and of
3153 * course none are associated with an anonymous peer.
3154 */
3155 if (peer != NULL && !SSL_session_reused(s) && SSL_ct_is_enabled(s)) {
3156 const STACK_OF(SCT) *scts = SSL_get0_peer_scts(s);
3157 int sct_count = scts != NULL ? sk_SCT_num(scts) : 0;
3158
3159 BIO_printf(bio, "---\nSCTs present (%i)\n", sct_count);
3160 if (sct_count > 0) {
3161 const CTLOG_STORE *log_store = SSL_CTX_get0_ctlog_store(ctx);
3162
3163 BIO_printf(bio, "---\n");
3164 for (i = 0; i < sct_count; ++i) {
3165 SCT *sct = sk_SCT_value(scts, i);
3166
3167 BIO_printf(bio, "SCT validation status: %s\n",
3168 SCT_validation_status_string(sct));
3169 SCT_print(sct, bio, 0, log_store);
3170 if (i < sct_count - 1)
3171 BIO_printf(bio, "\n---\n");
3172 }
3173 BIO_printf(bio, "\n");
3174 }
6bea2a72 3175 }
dd696a55
RP		 3176#endif
3177
0f113f3e 3178 BIO_printf(bio,
7d672984
AP		 3179 "---\nSSL handshake has read %ju bytes "
3180 "and written %ju bytes\n",
12997aa9
RS		 3181 BIO_number_read(SSL_get_rbio(s)),
3182 BIO_number_written(SSL_get_wbio(s)));
0f113f3e 3183 }
c0a445a9 3184 print_verify_detail(s, bio);
b577fd0b 3185 BIO_printf(bio, (SSL_session_reused(s) ? "---\nReused, " : "---\nNew, "));
0f113f3e
MC		 3186 c = SSL_get_current_cipher(s);
3187 BIO_printf(bio, "%s, Cipher is %s\n",
3188 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
3189 if (peer != NULL) {
3190 EVP_PKEY *pktmp;
bde136c8 3191
c01ff880 3192 pktmp = X509_get0_pubkey(peer);
0f113f3e
MC		 3193 BIO_printf(bio, "Server public key is %d bit\n",
3194 EVP_PKEY_bits(pktmp));
0f113f3e
MC		 3195 }
3196 BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
3197 SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
09b6c2ef 3198#ifndef OPENSSL_NO_COMP
0f113f3e
MC		 3199 comp = SSL_get_current_compression(s);
3200 expansion = SSL_get_current_expansion(s);
3201 BIO_printf(bio, "Compression: %s\n",
3202 comp ? SSL_COMP_get_name(comp) : "NONE");
3203 BIO_printf(bio, "Expansion: %s\n",
3204 expansion ? SSL_COMP_get_name(expansion) : "NONE");
3205#endif
3206
57559471 3207#ifdef SSL_DEBUG
0f113f3e
MC		 3208 {
3209 /* Print out local port of connection: useful for debugging */
3210 int sock;
642a166c
RL		 3211 union BIO_sock_info_u info;
3212
0f113f3e 3213 sock = SSL_get_fd(s);
642a166c
RL		 3214 if ((info.addr = BIO_ADDR_new()) != NULL
3215 && BIO_sock_info(sock, BIO_SOCK_INFO_ADDRESS, &info)) {
3216 BIO_printf(bio_c_out, "LOCAL PORT is %u\n",
1abd2925 3217 ntohs(BIO_ADDR_rawport(info.addr)));
642a166c
RL		 3218 }
3219 BIO_ADDR_free(info.addr);
0f113f3e 3220 }
a2f9200f
DSH		 3221#endif
3222
e481f9b9 3223#if !defined(OPENSSL_NO_NEXTPROTONEG)
0f113f3e
MC		 3224 if (next_proto.status != -1) {
3225 const unsigned char *proto;
3226 unsigned int proto_len;
3227 SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
3228 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
3229 BIO_write(bio, proto, proto_len);
3230 BIO_write(bio, "\n", 1);
3231 }
e481f9b9 3232#endif
0f113f3e
MC		 3233 {
3234 const unsigned char *proto;
3235 unsigned int proto_len;
3236 SSL_get0_alpn_selected(s, &proto, &proto_len);
3237 if (proto_len > 0) {
3238 BIO_printf(bio, "ALPN protocol: ");
3239 BIO_write(bio, proto, proto_len);
3240 BIO_write(bio, "\n", 1);
3241 } else
3242 BIO_printf(bio, "No ALPN negotiated\n");
3243 }
71fa4513 3244
e783bae2 3245#ifndef OPENSSL_NO_SRTP
0f113f3e
MC		 3246 {
3247 SRTP_PROTECTION_PROFILE *srtp_profile =
3248 SSL_get_selected_srtp_profile(s);
3249
3250 if (srtp_profile)
3251 BIO_printf(bio, "SRTP Extension negotiated, profile=%s\n",
3252 srtp_profile->name);
3253 }
3254#endif
3255
576eb395
MC		 3256 if (SSL_version(s) == TLS1_3_VERSION) {
3257 switch (SSL_get_early_data_status(s)) {
3258 case SSL_EARLY_DATA_NOT_SENT:
3259 BIO_printf(bio, "Early data was not sent\n");
3260 break;
3261
3262 case SSL_EARLY_DATA_REJECTED:
3263 BIO_printf(bio, "Early data was rejected\n");
3264 break;
3265
3266 case SSL_EARLY_DATA_ACCEPTED:
3267 BIO_printf(bio, "Early data was accepted\n");
3268 break;
3269
3270 }
3271 }
3272
0f113f3e 3273 SSL_SESSION_print(bio, SSL_get_session(s));
d6073e27 3274 if (SSL_get_session(s) != NULL && keymatexportlabel != NULL) {
0f113f3e
MC		 3275 BIO_printf(bio, "Keying material exporter:\n");
3276 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel);
3277 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen);
68dc6824
RS		 3278 exportedkeymat = app_malloc(keymatexportlen, "export key");
3279 if (!SSL_export_keying_material(s, exportedkeymat,
3280 keymatexportlen,
3281 keymatexportlabel,
3282 strlen(keymatexportlabel),
3283 NULL, 0, 0)) {
3284 BIO_printf(bio, " Error\n");
3285 } else {
3286 BIO_printf(bio, " Keying material: ");
3287 for (i = 0; i < keymatexportlen; i++)
3288 BIO_printf(bio, "%02X", exportedkeymat[i]);
3289 BIO_printf(bio, "\n");
0f113f3e 3290 }
68dc6824 3291 OPENSSL_free(exportedkeymat);
0f113f3e
MC		 3292 }
3293 BIO_printf(bio, "---\n");
222561fe 3294 X509_free(peer);
0f113f3e
MC		 3295 /* flush, or debugging output gets mixed with http response */
3296 (void)BIO_flush(bio);
3297}
d02b48c6 3298
3e41ac35 3299# ifndef OPENSSL_NO_OCSP
67c8e7f4 3300static int ocsp_resp_cb(SSL *s, void *arg)
0f113f3e
MC		 3301{
3302 const unsigned char *p;
3303 int len;
3304 OCSP_RESPONSE *rsp;
3305 len = SSL_get_tlsext_status_ocsp_resp(s, &p);
3306 BIO_puts(arg, "OCSP response: ");
2234212c 3307 if (p == NULL) {
0f113f3e
MC		 3308 BIO_puts(arg, "no response sent\n");
3309 return 1;
3310 }
3311 rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
2234212c 3312 if (rsp == NULL) {
0f113f3e
MC		 3313 BIO_puts(arg, "response parse error\n");
3314 BIO_dump_indent(arg, (char *)p, len, 4);
3315 return 0;
3316 }
3317 BIO_puts(arg, "\n======================================\n");
3318 OCSP_RESPONSE_print(arg, rsp, 0);
3319 BIO_puts(arg, "======================================\n");
3320 OCSP_RESPONSE_free(rsp);
3321 return 1;
3322}
3e41ac35 3323# endif
f9e55034 3324
398b0bbd
RS		 3325static int ldap_ExtendedResponse_parse(const char *buf, long rem)
3326{
3327 const unsigned char *cur, *end;
3328 long len;
3329 int tag, xclass, inf, ret = -1;
3330
3331 cur = (const unsigned char *)buf;
3332 end = cur + rem;
3333
3334 /*
3335 * From RFC 4511:
3336 *
3337 * LDAPMessage ::= SEQUENCE {
3338 * messageID MessageID,
3339 * protocolOp CHOICE {
3340 * ...
3341 * extendedResp ExtendedResponse,
3342 * ... },
3343 * controls [0] Controls OPTIONAL }
3344 *
3345 * ExtendedResponse ::= [APPLICATION 24] SEQUENCE {
3346 * COMPONENTS OF LDAPResult,
3347 * responseName [10] LDAPOID OPTIONAL,
3348 * responseValue [11] OCTET STRING OPTIONAL }
3349 *
3350 * LDAPResult ::= SEQUENCE {
3351 * resultCode ENUMERATED {
3352 * success (0),
3353 * ...
3354 * other (80),
3355 * ... },
3356 * matchedDN LDAPDN,
3357 * diagnosticMessage LDAPString,
3358 * referral [3] Referral OPTIONAL }
3359 */
3360
3361 /* pull SEQUENCE */
3362 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3363 if (inf != V_ASN1_CONSTRUCTED || tag != V_ASN1_SEQUENCE ||
3364 (rem = end - cur, len > rem)) {
3365 BIO_printf(bio_err, "Unexpected LDAP response\n");
3366 goto end;
3367 }
3368
8b0d4242
AP		 3369 rem = len; /* ensure that we don't overstep the SEQUENCE */
3370
398b0bbd
RS		 3371 /* pull MessageID */
3372 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3373 if (inf != V_ASN1_UNIVERSAL || tag != V_ASN1_INTEGER ||
3374 (rem = end - cur, len > rem)) {
3375 BIO_printf(bio_err, "No MessageID\n");
3376 goto end;
3377 }
3378
3379 cur += len; /* shall we check for MessageId match or just skip? */
3380
3381 /* pull [APPLICATION 24] */
3382 rem = end - cur;
3383 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3384 if (inf != V_ASN1_CONSTRUCTED || xclass != V_ASN1_APPLICATION ||
3385 tag != 24) {
3386 BIO_printf(bio_err, "Not ExtendedResponse\n");
3387 goto end;
3388 }
3389
3390 /* pull resultCode */
3391 rem = end - cur;
3392 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3393 if (inf != V_ASN1_UNIVERSAL || tag != V_ASN1_ENUMERATED || len == 0 ||
3394 (rem = end - cur, len > rem)) {
3395 BIO_printf(bio_err, "Not LDAPResult\n");
3396 goto end;
3397 }
3398
3399 /* len should always be one, but just in case... */
3400 for (ret = 0, inf = 0; inf < len; inf++) {
3401 ret <<= 8;
3402 ret |= cur[inf];
3403 }
3404 /* There is more data, but we don't care... */
3405 end:
3406 return ret;
3407}
3408
d6073e27 3409#endif /* OPENSSL_NO_SOCK */
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