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846e33c7
RS		 1/*
2 * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
a661b653 3 *
846e33c7
RS		 4 * Licensed under the OpenSSL license (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
a661b653 8 */
846e33c7 9
ddac1974
NL		 10/* ====================================================================
11 * Copyright 2005 Nokia. All rights reserved.
12 *
13 * The portions of the attached software ("Contribution") is developed by
14 * Nokia Corporation and is licensed pursuant to the OpenSSL open source
15 * license.
16 *
17 * The Contribution, originally written by Mika Kousa and Pasi Eronen of
18 * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
19 * support (see RFC 4279) to OpenSSL.
20 *
21 * No patent licenses or other rights except those expressly stated in
22 * the OpenSSL open source license shall be deemed granted or received
23 * expressly, by implication, estoppel, or otherwise.
24 *
25 * No assurances are provided by Nokia that the Contribution does not
26 * infringe the patent or other intellectual property rights of any third
27 * party or that the license provides you with all the necessary rights
28 * to make use of the Contribution.
29 *
30 * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
31 * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
32 * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
33 * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
34 * OTHERWISE.
35 */
d02b48c6 36
ddac1974 37#include <ctype.h>
8c197cc5
UM		 38#include <stdio.h>
39#include <stdlib.h>
40#include <string.h>
cddd424a 41#include <errno.h>
be1bd923 42#include <openssl/e_os2.h>
7e1b7485 43
f9e55034
MC		 44#ifndef OPENSSL_NO_SOCK
45
0d3b6583
RL		 46#ifdef OPENSSL_SYS_VMS
47# include "vms_term_sock.h"
48#endif
0f113f3e
MC		 49/*
50 * With IPv6, it looks like Digital has mixed up the proper order of
51 * recursive header file inclusion, resulting in the compiler complaining
52 * that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which is
53 * needed to have fileno() declared correctly... So let's define u_int
54 */
bc36ee62 55#if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
0f113f3e 56# define __U_INT
7d7d2cbc
UM		 57typedef unsigned int u_int;
58#endif
59
d02b48c6 60#define USE_SOCKETS
d02b48c6 61#include "apps.h"
ec577822
BM		 62#include <openssl/x509.h>
63#include <openssl/ssl.h>
64#include <openssl/err.h>
65#include <openssl/pem.h>
1372965e 66#include <openssl/rand.h>
67c8e7f4 67#include <openssl/ocsp.h>
1e26a8ba 68#include <openssl/bn.h>
5e6f9775 69#include <openssl/async.h>
edc032b5 70#ifndef OPENSSL_NO_SRP
0f113f3e 71# include <openssl/srp.h>
edc032b5 72#endif
dd696a55
RP		 73#ifndef OPENSSL_NO_CT
74# include <openssl/ct.h>
75#endif
d02b48c6 76#include "s_apps.h"
36d16f8e 77#include "timeouts.h"
d02b48c6 78
efc943be
EK		 79#if defined(__has_feature)
80# if __has_feature(memory_sanitizer)
81# include <sanitizer/msan_interface.h>
82# endif
83#endif
84
d02b48c6
RE		 85#undef BUFSIZZ
86#define BUFSIZZ 1024*8
cfb4f1ef 87#define S_CLIENT_IRC_READ_TIMEOUT 8
d02b48c6 88
cddd424a 89static char *prog;
7e1b7485 90static int c_debug = 0;
0f113f3e 91static int c_showcerts = 0;
0f113f3e
MC		 92static char *keymatexportlabel = NULL;
93static int keymatexportlen = 20;
0f113f3e 94static BIO *bio_c_out = NULL;
0f113f3e 95static int c_quiet = 0;
d02b48c6 96
0d4d5ab8 97static void print_stuff(BIO *berr, SSL *con, int full);
3e41ac35 98#ifndef OPENSSL_NO_OCSP
7e1b7485 99static int ocsp_resp_cb(SSL *s, void *arg);
3e41ac35 100#endif
7e1b7485 101
cddd424a
VD		 102static int saved_errno;
103
104static void save_errno(void)
105{
106 saved_errno = errno;
107 errno = 0;
108}
109
110static int restore_errno(void)
111{
112 int ret = errno;
113 errno = saved_errno;
114 return ret;
115}
116
ec447924
MC		 117static void do_ssl_shutdown(SSL *ssl)
118{
119 int ret;
120
121 do {
122 /* We only do unidirectional shutdown */
123 ret = SSL_shutdown(ssl);
124 if (ret < 0) {
125 switch (SSL_get_error(ssl, ret)) {
126 case SSL_ERROR_WANT_READ:
127 case SSL_ERROR_WANT_WRITE:
128 case SSL_ERROR_WANT_ASYNC:
fc7f190c 129 case SSL_ERROR_WANT_ASYNC_JOB:
ec447924
MC		 130 /* We just do busy waiting. Nothing clever */
131 continue;
132 }
133 ret = 0;
134 }
135 } while (ret < 0);
136}
137
ddac1974
NL		 138#ifndef OPENSSL_NO_PSK
139/* Default PSK identity and key */
0f113f3e
MC		 140static char *psk_identity = "Client_identity";
141/*
142 * char *psk_key=NULL; by default PSK is not used
143 */
ddac1974
NL		 144
145static unsigned int psk_client_cb(SSL *ssl, const char *hint, char *identity,
0f113f3e
MC		 146 unsigned int max_identity_len,
147 unsigned char *psk,
148 unsigned int max_psk_len)
149{
0f113f3e 150 int ret;
6ec6d520
DSH		 151 long key_len;
152 unsigned char *key;
0f113f3e
MC		 153
154 if (c_debug)
155 BIO_printf(bio_c_out, "psk_client_cb\n");
156 if (!hint) {
157 /* no ServerKeyExchange message */
158 if (c_debug)
159 BIO_printf(bio_c_out,
160 "NULL received PSK identity hint, continuing anyway\n");
161 } else if (c_debug)
162 BIO_printf(bio_c_out, "Received PSK identity hint '%s'\n", hint);
163
164 /*
165 * lookup PSK identity and PSK key based on the given identity hint here
166 */
167 ret = BIO_snprintf(identity, max_identity_len, "%s", psk_identity);
168 if (ret < 0 || (unsigned int)ret > max_identity_len)
169 goto out_err;
170 if (c_debug)
171 BIO_printf(bio_c_out, "created identity '%s' len=%d\n", identity,
172 ret);
6ec6d520
DSH		 173
174 /* convert the PSK key to binary */
175 key = OPENSSL_hexstr2buf(psk_key, &key_len);
176 if (key == NULL) {
177 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n",
0f113f3e 178 psk_key);
0f113f3e
MC		 179 return 0;
180 }
6ec6d520 181 if (key_len > max_psk_len) {
0f113f3e 182 BIO_printf(bio_err,
6ec6d520
DSH		 183 "psk buffer of callback is too small (%d) for key (%ld)\n",
184 max_psk_len, key_len);
185 OPENSSL_free(key);
0f113f3e
MC		 186 return 0;
187 }
ddac1974 188
6ec6d520
DSH		 189 memcpy(psk, key, key_len);
190 OPENSSL_free(key);
ddac1974 191
0f113f3e 192 if (c_debug)
6ec6d520 193 BIO_printf(bio_c_out, "created PSK len=%ld\n", key_len);
0f113f3e 194
6ec6d520 195 return key_len;
ddac1974 196 out_err:
0f113f3e
MC		 197 if (c_debug)
198 BIO_printf(bio_err, "Error in PSK client callback\n");
199 return 0;
200}
ddac1974
NL		 201#endif
202
ed3883d2
BM		 203/* This is a context that we pass to callbacks */
204typedef struct tlsextctx_st {
0f113f3e
MC		 205 BIO *biodebug;
206 int ack;
ed3883d2
BM		 207} tlsextctx;
208
6d23cf97 209static int ssl_servername_cb(SSL *s, int *ad, void *arg)
0f113f3e
MC		 210{
211 tlsextctx *p = (tlsextctx *) arg;
212 const char *hn = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
213 if (SSL_get_servername_type(s) != -1)
214 p->ack = !SSL_session_reused(s) && hn != NULL;
215 else
216 BIO_printf(bio_err, "Can't use SSL_get_servername\n");
217
218 return SSL_TLSEXT_ERR_OK;
219}
ee2ffc27 220
e481f9b9 221#ifndef OPENSSL_NO_SRP
edc032b5
BL		 222
223/* This is a context that we pass to all callbacks */
0f113f3e
MC		 224typedef struct srp_arg_st {
225 char *srppassin;
226 char *srplogin;
227 int msg; /* copy from c_msg */
228 int debug; /* copy from c_debug */
229 int amp; /* allow more groups */
bde136c8 230 int strength; /* minimal size for N */
0f113f3e
MC		 231} SRP_ARG;
232
e481f9b9 233# define SRP_NUMBER_ITERATIONS_FOR_PRIME 64
edc032b5 234
f2fc3075 235static int srp_Verify_N_and_g(const BIGNUM *N, const BIGNUM *g)
0f113f3e
MC		 236{
237 BN_CTX *bn_ctx = BN_CTX_new();
238 BIGNUM *p = BN_new();
239 BIGNUM *r = BN_new();
240 int ret =
241 g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) &&
748e8530 242 BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) == 1 &&
0f113f3e
MC		 243 p != NULL && BN_rshift1(p, N) &&
244 /* p = (N-1)/2 */
748e8530 245 BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) == 1 &&
0f113f3e
MC		 246 r != NULL &&
247 /* verify g^((N-1)/2) == -1 (mod N) */
248 BN_mod_exp(r, g, p, N, bn_ctx) &&
249 BN_add_word(r, 1) && BN_cmp(r, N) == 0;
250
23a1d5e9
RS		 251 BN_free(r);
252 BN_free(p);
253 BN_CTX_free(bn_ctx);
0f113f3e
MC		 254 return ret;
255}
edc032b5 256
c80fd6b2
MC		 257/*-
258 * This callback is used here for two purposes:
259 * - extended debugging
260 * - making some primality tests for unknown groups
261 * The callback is only called for a non default group.
262 *
263 * An application does not need the call back at all if
bde136c8 264 * only the standard groups are used. In real life situations,
0f113f3e
MC		 265 * client and server already share well known groups,
266 * thus there is no need to verify them.
c80fd6b2 267 * Furthermore, in case that a server actually proposes a group that
0f113f3e
MC		 268 * is not one of those defined in RFC 5054, it is more appropriate
269 * to add the group to a static list and then compare since
c80fd6b2
MC		 270 * primality tests are rather cpu consuming.
271 */
f2fc3075 272
6d23cf97 273static int ssl_srp_verify_param_cb(SSL *s, void *arg)
0f113f3e
MC		 274{
275 SRP_ARG *srp_arg = (SRP_ARG *)arg;
276 BIGNUM *N = NULL, *g = NULL;
75ebbd9a
RS		 277
278 if (((N = SSL_get_srp_N(s)) == NULL) || ((g = SSL_get_srp_g(s)) == NULL))
0f113f3e
MC		 279 return 0;
280 if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1) {
281 BIO_printf(bio_err, "SRP parameters:\n");
282 BIO_printf(bio_err, "\tN=");
283 BN_print(bio_err, N);
284 BIO_printf(bio_err, "\n\tg=");
285 BN_print(bio_err, g);
286 BIO_printf(bio_err, "\n");
287 }
288
289 if (SRP_check_known_gN_param(g, N))
290 return 1;
291
292 if (srp_arg->amp == 1) {
293 if (srp_arg->debug)
294 BIO_printf(bio_err,
295 "SRP param N and g are not known params, going to check deeper.\n");
296
297 /*
298 * The srp_moregroups is a real debugging feature. Implementors
299 * should rather add the value to the known ones. The minimal size
300 * has already been tested.
301 */
302 if (BN_num_bits(g) <= BN_BITS && srp_Verify_N_and_g(N, g))
303 return 1;
304 }
305 BIO_printf(bio_err, "SRP param N and g rejected.\n");
306 return 0;
307}
edc032b5 308
e481f9b9 309# define PWD_STRLEN 1024
0f113f3e
MC		 310
311static char *ssl_give_srp_client_pwd_cb(SSL *s, void *arg)
312{
313 SRP_ARG *srp_arg = (SRP_ARG *)arg;
68dc6824 314 char *pass = app_malloc(PWD_STRLEN + 1, "SRP password buffer");
0f113f3e
MC		 315 PW_CB_DATA cb_tmp;
316 int l;
317
318 cb_tmp.password = (char *)srp_arg->srppassin;
319 cb_tmp.prompt_info = "SRP user";
320 if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp)) < 0) {
321 BIO_printf(bio_err, "Can't read Password\n");
322 OPENSSL_free(pass);
323 return NULL;
324 }
325 *(pass + l) = '\0';
326
327 return pass;
328}
329
e481f9b9 330#endif
7e1b7485 331
df2ee0e2 332static char *srtp_profiles = NULL;
edc032b5 333
e481f9b9 334#ifndef OPENSSL_NO_NEXTPROTONEG
ee2ffc27
BL		 335/* This the context that we pass to next_proto_cb */
336typedef struct tlsextnextprotoctx_st {
0f113f3e 337 unsigned char *data;
817cd0d5 338 size_t len;
0f113f3e 339 int status;
ee2ffc27
BL		 340} tlsextnextprotoctx;
341
342static tlsextnextprotoctx next_proto;
343
0f113f3e
MC		 344static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen,
345 const unsigned char *in, unsigned int inlen,
346 void *arg)
347{
348 tlsextnextprotoctx *ctx = arg;
349
350 if (!c_quiet) {
351 /* We can assume that |in| is syntactically valid. */
352 unsigned i;
353 BIO_printf(bio_c_out, "Protocols advertised by server: ");
354 for (i = 0; i < inlen;) {
355 if (i)
356 BIO_write(bio_c_out, ", ", 2);
357 BIO_write(bio_c_out, &in[i + 1], in[i]);
358 i += in[i] + 1;
359 }
360 BIO_write(bio_c_out, "\n", 1);
361 }
362
363 ctx->status =
364 SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len);
365 return SSL_TLSEXT_ERR_OK;
366}
e481f9b9 367#endif /* ndef OPENSSL_NO_NEXTPROTONEG */
0f113f3e
MC		 368
369static int serverinfo_cli_parse_cb(SSL *s, unsigned int ext_type,
370 const unsigned char *in, size_t inlen,
371 int *al, void *arg)
85c67492 372{
0f113f3e
MC		 373 char pem_name[100];
374 unsigned char ext_buf[4 + 65536];
375
376 /* Reconstruct the type/len fields prior to extension data */
377 ext_buf[0] = ext_type >> 8;
378 ext_buf[1] = ext_type & 0xFF;
379 ext_buf[2] = inlen >> 8;
380 ext_buf[3] = inlen & 0xFF;
381 memcpy(ext_buf + 4, in, inlen);
382
383 BIO_snprintf(pem_name, sizeof(pem_name), "SERVERINFO FOR EXTENSION %d",
384 ext_type);
385 PEM_write_bio(bio_c_out, pem_name, "", ext_buf, 4 + inlen);
386 return 1;
387}
388
cddd424a
VD		 389/*
390 * Hex decoder that tolerates optional whitespace. Returns number of bytes
391 * produced, advances inptr to end of input string.
392 */
393static ossl_ssize_t hexdecode(const char **inptr, void *result)
394{
395 unsigned char **out = (unsigned char **)result;
396 const char *in = *inptr;
d6073e27 397 unsigned char *ret = app_malloc(strlen(in) / 2, "hexdecode");
cddd424a
VD		 398 unsigned char *cp = ret;
399 uint8_t byte;
400 int nibble = 0;
401
402 if (ret == NULL)
403 return -1;
404
405 for (byte = 0; *in; ++in) {
49445f21 406 int x;
cddd424a 407
18295f0c 408 if (isspace(_UC(*in)))
cddd424a 409 continue;
49445f21
RS		 410 x = OPENSSL_hexchar2int(*in);
411 if (x < 0) {
cddd424a
VD		 412 OPENSSL_free(ret);
413 return 0;
414 }
49445f21 415 byte |= (char)x;
cddd424a
VD		 416 if ((nibble ^= 1) == 0) {
417 *cp++ = byte;
418 byte = 0;
419 } else {
420 byte <<= 4;
421 }
422 }
423 if (nibble != 0) {
424 OPENSSL_free(ret);
425 return 0;
426 }
427 *inptr = in;
428
429 return cp - (*out = ret);
430}
431
432/*
433 * Decode unsigned 0..255, returns 1 on success, <= 0 on failure. Advances
434 * inptr to next field skipping leading whitespace.
435 */
436static ossl_ssize_t checked_uint8(const char **inptr, void *out)
437{
438 uint8_t *result = (uint8_t *)out;
439 const char *in = *inptr;
440 char *endp;
441 long v;
442 int e;
443
444 save_errno();
445 v = strtol(in, &endp, 10);
446 e = restore_errno();
447
448 if (((v == LONG_MIN || v == LONG_MAX) && e == ERANGE) ||
18295f0c 449 endp == in || !isspace(_UC(*endp)) ||
cddd424a
VD		 450 v != (*result = (uint8_t) v)) {
451 return -1;
452 }
18295f0c 453 for (in = endp; isspace(_UC(*in)); ++in)
cddd424a
VD		 454 continue;
455
456 *inptr = in;
457 return 1;
458}
459
7ff970ef
RS		 460struct tlsa_field {
461 void *var;
462 const char *name;
463 ossl_ssize_t (*parser)(const char **, void *);
464};
465
cddd424a
VD		 466static int tlsa_import_rr(SSL *con, const char *rrdata)
467{
7ff970ef
RS		 468 /* Not necessary to re-init these values; the "parsers" do that. */
469 static uint8_t usage;
470 static uint8_t selector;
471 static uint8_t mtype;
472 static unsigned char *data;
f232d6ec 473 static struct tlsa_field tlsa_fields[] = {
cddd424a
VD		 474 { &usage, "usage", checked_uint8 },
475 { &selector, "selector", checked_uint8 },
476 { &mtype, "mtype", checked_uint8 },
477 { &data, "data", hexdecode },
478 { NULL, }
479 };
480 struct tlsa_field *f;
7ff970ef
RS		 481 int ret;
482 const char *cp = rrdata;
483 ossl_ssize_t len = 0;
cddd424a
VD		 484
485 for (f = tlsa_fields; f->var; ++f) {
486 /* Returns number of bytes produced, advances cp to next field */
487 if ((len = f->parser(&cp, f->var)) <= 0) {
488 BIO_printf(bio_err, "%s: warning: bad TLSA %s field in: %s\n",
489 prog, f->name, rrdata);
490 return 0;
491 }
492 }
493 /* The data field is last, so len is its length */
494 ret = SSL_dane_tlsa_add(con, usage, selector, mtype, data, len);
495 OPENSSL_free(data);
496
497 if (ret == 0) {
498 ERR_print_errors(bio_err);
499 BIO_printf(bio_err, "%s: warning: unusable TLSA rrdata: %s\n",
500 prog, rrdata);
501 return 0;
502 }
503 if (ret < 0) {
504 ERR_print_errors(bio_err);
505 BIO_printf(bio_err, "%s: warning: error loading TLSA rrdata: %s\n",
506 prog, rrdata);
507 return 0;
508 }
509 return ret;
510}
511
512static int tlsa_import_rrset(SSL *con, STACK_OF(OPENSSL_STRING) *rrset)
513{
514 int num = sk_OPENSSL_STRING_num(rrset);
515 int count = 0;
516 int i;
517
518 for (i = 0; i < num; ++i) {
519 char *rrdata = sk_OPENSSL_STRING_value(rrset, i);
520 if (tlsa_import_rr(con, rrdata) > 0)
521 ++count;
522 }
523 return count > 0;
524}
525
7e1b7485
RS		 526typedef enum OPTION_choice {
527 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
ab69ac00
RL		 528 OPT_4, OPT_6, OPT_HOST, OPT_PORT, OPT_CONNECT, OPT_UNIX,
529 OPT_XMPPHOST, OPT_VERIFY,
7e1b7485
RS		 530 OPT_CERT, OPT_CRL, OPT_CRL_DOWNLOAD, OPT_SESS_OUT, OPT_SESS_IN,
531 OPT_CERTFORM, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET,
532 OPT_BRIEF, OPT_PREXIT, OPT_CRLF, OPT_QUIET, OPT_NBIO,
533 OPT_SSL_CLIENT_ENGINE, OPT_RAND, OPT_IGN_EOF, OPT_NO_IGN_EOF,
3a4e9367 534 OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_WDEBUG,
7e1b7485
RS		 535 OPT_MSG, OPT_MSGFILE, OPT_ENGINE, OPT_TRACE, OPT_SECURITY_DEBUG,
536 OPT_SECURITY_DEBUG_VERBOSE, OPT_SHOWCERTS, OPT_NBIO_TEST, OPT_STATE,
bde136c8
F		 537#ifndef OPENSSL_NO_PSK
538 OPT_PSK_IDENTITY, OPT_PSK,
539#endif
540#ifndef OPENSSL_NO_SRP
541 OPT_SRPUSER, OPT_SRPPASS, OPT_SRP_STRENGTH, OPT_SRP_LATEUSER,
542 OPT_SRP_MOREGROUPS,
543#endif
544 OPT_SSL3, OPT_SSL_CONFIG,
7e1b7485
RS		 545 OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1,
546 OPT_DTLS1_2, OPT_TIMEOUT, OPT_MTU, OPT_KEYFORM, OPT_PASS,
d6073e27
F		 547 OPT_CERT_CHAIN, OPT_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH,
548 OPT_VERIFYCAPATH,
2b6bcb70 549 OPT_KEY, OPT_RECONNECT, OPT_BUILD_CHAIN, OPT_CAFILE, OPT_NOCAFILE,
7e1b7485 550 OPT_CHAINCAFILE, OPT_VERIFYCAFILE, OPT_NEXTPROTONEG, OPT_ALPN,
dba31777 551 OPT_SERVERINFO, OPT_STARTTLS, OPT_SERVERNAME,
d8c25de5 552 OPT_USE_SRTP, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN, OPT_SMTPHOST,
dad78fb1 553 OPT_ASYNC, OPT_SPLIT_SEND_FRAG, OPT_MAX_PIPELINES, OPT_READ_BUF,
7e1b7485
RS		 554 OPT_V_ENUM,
555 OPT_X_ENUM,
556 OPT_S_ENUM,
cddd424a 557 OPT_FALLBACKSCSV, OPT_NOCMDS, OPT_PROXY, OPT_DANE_TLSA_DOMAIN,
dd696a55 558#ifndef OPENSSL_NO_CT
43341433 559 OPT_CT, OPT_NOCT, OPT_CTLOG_FILE,
dd696a55 560#endif
9e313563 561 OPT_DANE_TLSA_RRDATA, OPT_DANE_EE_NO_NAME
7e1b7485
RS		 562} OPTION_CHOICE;
563
564OPTIONS s_client_options[] = {
565 {"help", OPT_HELP, '-', "Display this summary"},
566 {"host", OPT_HOST, 's', "Use -connect instead"},
567 {"port", OPT_PORT, 'p', "Use -connect instead"},
568 {"connect", OPT_CONNECT, 's',
ab69ac00 569 "TCP/IP where to connect (default is :" PORT ")"},
552bf8ec
MT		 570 {"proxy", OPT_PROXY, 's',
571 "Connect to via specified proxy to the real server"},
ab69ac00 572#ifdef AF_UNIX
7e1b7485 573 {"unix", OPT_UNIX, 's', "Connect over unix domain sockets"},
ab69ac00
RL		 574#endif
575 {"4", OPT_4, '-', "Use IPv4 only"},
fe08bd76 576#ifdef AF_INET6
ab69ac00 577 {"6", OPT_6, '-', "Use IPv6 only"},
fe08bd76 578#endif
7e1b7485
RS		 579 {"verify", OPT_VERIFY, 'p', "Turn on peer certificate verification"},
580 {"cert", OPT_CERT, '<', "Certificate file to use, PEM format assumed"},
581 {"certform", OPT_CERTFORM, 'F',
582 "Certificate format (PEM or DER) PEM default"},
583 {"key", OPT_KEY, '<', "Private key file to use, if not in -cert file"},
584 {"keyform", OPT_KEYFORM, 'F', "Key format (PEM or DER) PEM default"},
585 {"pass", OPT_PASS, 's', "Private key file pass phrase source"},
586 {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
587 {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
2b6bcb70
MC		 588 {"no-CAfile", OPT_NOCAFILE, '-',
589 "Do not load the default certificates file"},
590 {"no-CApath", OPT_NOCAPATH, '-',
591 "Do not load certificates from the default certificates directory"},
cddd424a
VD		 592 {"dane_tlsa_domain", OPT_DANE_TLSA_DOMAIN, 's', "DANE TLSA base domain"},
593 {"dane_tlsa_rrdata", OPT_DANE_TLSA_RRDATA, 's',
594 "DANE TLSA rrdata presentation form"},
c4fbed6c
VD		 595 {"dane_ee_no_namechecks", OPT_DANE_EE_NO_NAME, '-',
596 "Disable name checks when matching DANE-EE(3) TLSA records"},
7e1b7485
RS		 597 {"reconnect", OPT_RECONNECT, '-',
598 "Drop and re-make the connection with the same Session-ID"},
7e1b7485
RS		 599 {"showcerts", OPT_SHOWCERTS, '-', "Show all certificates in the chain"},
600 {"debug", OPT_DEBUG, '-', "Extra output"},
601 {"msg", OPT_MSG, '-', "Show protocol messages"},
9a13bb38
RS		 602 {"msgfile", OPT_MSGFILE, '>',
603 "File to send output of -msg or -trace, instead of stdout"},
7e1b7485
RS		 604 {"nbio_test", OPT_NBIO_TEST, '-', "More ssl protocol testing"},
605 {"state", OPT_STATE, '-', "Print the ssl states"},
606 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"},
607 {"quiet", OPT_QUIET, '-', "No s_client output"},
608 {"ign_eof", OPT_IGN_EOF, '-', "Ignore input eof (default when -quiet)"},
609 {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Don't ignore input eof"},
7e1b7485 610 {"starttls", OPT_STARTTLS, 's',
cfb4f1ef 611 "Use the appropriate STARTTLS command before starting TLS"},
898ea7b8
KE		 612 {"xmpphost", OPT_XMPPHOST, 's',
613 "Host to use with \"-starttls xmpp[-server]\""},
7e1b7485
RS		 614 {"rand", OPT_RAND, 's',
615 "Load the file(s) into the random number generator"},
616 {"sess_out", OPT_SESS_OUT, '>', "File to write SSL session to"},
617 {"sess_in", OPT_SESS_IN, '<', "File to read SSL session from"},
e77bdc73 618 {"use_srtp", OPT_USE_SRTP, 's',
7e1b7485
RS		 619 "Offer SRTP key management with a colon-separated profile list"},
620 {"keymatexport", OPT_KEYMATEXPORT, 's',
621 "Export keying material using label"},
622 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
623 "Export len bytes of keying material (default 20)"},
624 {"fallback_scsv", OPT_FALLBACKSCSV, '-', "Send the fallback SCSV"},
9c3bcfa0 625 {"name", OPT_SMTPHOST, 's', "Hostname to use for \"-starttls smtp\""},
9a13bb38
RS		 626 {"CRL", OPT_CRL, '<', "CRL file to use"},
627 {"crl_download", OPT_CRL_DOWNLOAD, '-', "Download CRL from distribution points"},
628 {"CRLform", OPT_CRLFORM, 'F', "CRL format (PEM or DER) PEM is default"},
629 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-',
630 "Close connection on verification error"},
631 {"verify_quiet", OPT_VERIFY_QUIET, '-', "Restrict verify output to errors"},
632 {"brief", OPT_BRIEF, '-',
633 "Restrict output to brief summary of connection parameters"},
634 {"prexit", OPT_PREXIT, '-',
635 "Print session information when the program exits"},
636 {"security_debug", OPT_SECURITY_DEBUG, '-',
637 "Enable security debug messages"},
638 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-',
639 "Output more security debug output"},
640 {"cert_chain", OPT_CERT_CHAIN, '<',
641 "Certificate chain file (in PEM format)"},
642 {"chainCApath", OPT_CHAINCAPATH, '/',
643 "Use dir as certificate store path to build CA certificate chain"},
644 {"verifyCApath", OPT_VERIFYCAPATH, '/',
645 "Use dir as certificate store path to verify CA certificate"},
646 {"build_chain", OPT_BUILD_CHAIN, '-', "Build certificate chain"},
647 {"chainCAfile", OPT_CHAINCAFILE, '<',
648 "CA file for certificate chain (PEM format)"},
649 {"verifyCAfile", OPT_VERIFYCAFILE, '<',
650 "CA file for certificate verification (PEM format)"},
9c3bcfa0
RS		 651 {"nocommands", OPT_NOCMDS, '-', "Do not use interactive command letters"},
652 {"servername", OPT_SERVERNAME, 's',
653 "Set TLS extension servername in ClientHello"},
654 {"tlsextdebug", OPT_TLSEXTDEBUG, '-',
655 "Hex dump of all TLS extensions received"},
3e41ac35 656#ifndef OPENSSL_NO_OCSP
9c3bcfa0 657 {"status", OPT_STATUS, '-', "Request certificate status from server"},
3e41ac35 658#endif
9c3bcfa0
RS		 659 {"serverinfo", OPT_SERVERINFO, 's',
660 "types Send empty ClientHello extensions (comma-separated numbers)"},
661 {"alpn", OPT_ALPN, 's',
662 "Enable ALPN extension, considering named protocols supported (comma-separated list)"},
7e25dd6d 663 {"async", OPT_ASYNC, '-', "Support asynchronous operation"},
9a13bb38 664 {"ssl_config", OPT_SSL_CONFIG, 's', "Use specified configuration file"},
032c6d21 665 {"split_send_frag", OPT_SPLIT_SEND_FRAG, 'n',
0df80881 666 "Size used to split data for encrypt pipelines"},
032c6d21
MC		 667 {"max_pipelines", OPT_MAX_PIPELINES, 'n',
668 "Maximum number of encrypt/decrypt pipelines to be used"},
dad78fb1
MC		 669 {"read_buf", OPT_READ_BUF, 'n',
670 "Default read buffer size to be used for connections"},
9c3bcfa0
RS		 671 OPT_S_OPTIONS,
672 OPT_V_OPTIONS,
673 OPT_X_OPTIONS,
674#ifndef OPENSSL_NO_SSL3
675 {"ssl3", OPT_SSL3, '-', "Just use SSLv3"},
676#endif
6b01bed2
VD		 677#ifndef OPENSSL_NO_TLS1
678 {"tls1", OPT_TLS1, '-', "Just use TLSv1"},
679#endif
680#ifndef OPENSSL_NO_TLS1_1
681 {"tls1_1", OPT_TLS1_1, '-', "Just use TLSv1.1"},
682#endif
683#ifndef OPENSSL_NO_TLS1_2
684 {"tls1_2", OPT_TLS1_2, '-', "Just use TLSv1.2"},
685#endif
a5ecdc6a 686#ifndef OPENSSL_NO_DTLS
9a13bb38
RS		 687 {"dtls", OPT_DTLS, '-', "Use any version of DTLS"},
688 {"timeout", OPT_TIMEOUT, '-',
689 "Enable send/receive timeout on DTLS connections"},
9c3bcfa0
RS		 690 {"mtu", OPT_MTU, 'p', "Set the link layer MTU"},
691#endif
6b01bed2
VD		 692#ifndef OPENSSL_NO_DTLS1
693 {"dtls1", OPT_DTLS1, '-', "Just use DTLSv1"},
694#endif
695#ifndef OPENSSL_NO_DTLS1_2
9a13bb38 696 {"dtls1_2", OPT_DTLS1_2, '-', "Just use DTLSv1.2"},
6b01bed2 697#endif
9c3bcfa0 698#ifndef OPENSSL_NO_SSL_TRACE
9a13bb38 699 {"trace", OPT_TRACE, '-', "Show trace output of protocol messages"},
9c3bcfa0 700#endif
7e1b7485
RS		 701#ifdef WATT32
702 {"wdebug", OPT_WDEBUG, '-', "WATT-32 tcp debugging"},
703#endif
7e1b7485 704 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"},
7e1b7485
RS		 705#ifndef OPENSSL_NO_PSK
706 {"psk_identity", OPT_PSK_IDENTITY, 's', "PSK identity"},
707 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"},
7e1b7485 708#endif
7e1b7485 709#ifndef OPENSSL_NO_SRP
bde136c8 710 {"srpuser", OPT_SRPUSER, 's', "SRP authentication for 'user'"},
7e1b7485
RS		 711 {"srppass", OPT_SRPPASS, 's', "Password for 'user'"},
712 {"srp_lateuser", OPT_SRP_LATEUSER, '-',
713 "SRP username into second ClientHello message"},
714 {"srp_moregroups", OPT_SRP_MOREGROUPS, '-',
715 "Tolerate other than the known g N values."},
740ceb5b 716 {"srp_strength", OPT_SRP_STRENGTH, 'p', "Minimal length in bits for N"},
7e1b7485 717#endif
e481f9b9 718#ifndef OPENSSL_NO_NEXTPROTONEG
7e1b7485
RS		 719 {"nextprotoneg", OPT_NEXTPROTONEG, 's',
720 "Enable NPN extension, considering named protocols supported (comma-separated list)"},
7e1b7485 721#endif
7e1b7485
RS		 722#ifndef OPENSSL_NO_ENGINE
723 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
9a13bb38
RS		 724 {"ssl_client_engine", OPT_SSL_CLIENT_ENGINE, 's',
725 "Specify engine to be used for client certificate operations"},
dd696a55
RP		 726#endif
727#ifndef OPENSSL_NO_CT
43341433 728 {"ct", OPT_CT, '-', "Request and parse SCTs (also enables OCSP stapling)"},
dd696a55 729 {"noct", OPT_NOCT, '-', "Do not request or parse SCTs (default)"},
dd696a55 730 {"ctlogfile", OPT_CTLOG_FILE, '<', "CT log list CONF file"},
7e1b7485 731#endif
bde136c8 732 {NULL, OPT_EOF, 0x00, NULL}
7e1b7485
RS		 733};
734
735typedef enum PROTOCOL_choice {
736 PROTO_OFF,
0f113f3e
MC		 737 PROTO_SMTP,
738 PROTO_POP3,
739 PROTO_IMAP,
740 PROTO_FTP,
d8c25de5 741 PROTO_TELNET,
552bf8ec 742 PROTO_XMPP,
898ea7b8 743 PROTO_XMPP_SERVER,
cfb4f1ef
NPB		 744 PROTO_CONNECT,
745 PROTO_IRC
7e1b7485
RS		 746} PROTOCOL_CHOICE;
747
bde136c8 748static const OPT_PAIR services[] = {
7e1b7485
RS		 749 {"smtp", PROTO_SMTP},
750 {"pop3", PROTO_POP3},
751 {"imap", PROTO_IMAP},
752 {"ftp", PROTO_FTP},
753 {"xmpp", PROTO_XMPP},
898ea7b8 754 {"xmpp-server", PROTO_XMPP_SERVER},
d8c25de5 755 {"telnet", PROTO_TELNET},
cfb4f1ef 756 {"irc", PROTO_IRC},
bde136c8 757 {NULL, 0}
85c67492
RL		 758};
759
fe08bd76
RS		 760#define IS_INET_FLAG(o) \
761 (o == OPT_4 || o == OPT_6 || o == OPT_HOST || o == OPT_PORT || o == OPT_CONNECT)
762#define IS_UNIX_FLAG(o) (o == OPT_UNIX)
763
4bbd4ba6
MC		 764#define IS_PROT_FLAG(o) \
765 (o == OPT_SSL3 || o == OPT_TLS1 || o == OPT_TLS1_1 || o == OPT_TLS1_2 \
766 || o == OPT_DTLS || o == OPT_DTLS1 || o == OPT_DTLS1_2)
767
7315ce80
RS		 768/* Free |*dest| and optionally set it to a copy of |source|. */
769static void freeandcopy(char **dest, const char *source)
770{
771 OPENSSL_free(*dest);
772 *dest = NULL;
773 if (source != NULL)
774 *dest = OPENSSL_strdup(source);
775}
776
7e1b7485 777int s_client_main(int argc, char **argv)
0f113f3e 778{
7e1b7485 779 BIO *sbio;
0f113f3e 780 EVP_PKEY *key = NULL;
7e1b7485 781 SSL *con = NULL;
0f113f3e 782 SSL_CTX *ctx = NULL;
7e1b7485
RS		 783 STACK_OF(X509) *chain = NULL;
784 X509 *cert = NULL;
0f113f3e 785 X509_VERIFY_PARAM *vpm = NULL;
7e1b7485
RS		 786 SSL_EXCERT *exc = NULL;
787 SSL_CONF_CTX *cctx = NULL;
788 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
cddd424a
VD		 789 char *dane_tlsa_domain = NULL;
790 STACK_OF(OPENSSL_STRING) *dane_tlsa_rrset = NULL;
c4fbed6c 791 int dane_ee_no_name = 0;
7e1b7485 792 STACK_OF(X509_CRL) *crls = NULL;
13c9bb3e 793 const SSL_METHOD *meth = TLS_client_method();
cc696296
F		 794 const char *CApath = NULL, *CAfile = NULL;
795 char *cbuf = NULL, *sbuf = NULL;
552bf8ec 796 char *mbuf = NULL, *proxystr = NULL, *connectstr = NULL;
cddd424a 797 char *cert_file = NULL, *key_file = NULL, *chain_file = NULL;
ab69ac00 798 char *chCApath = NULL, *chCAfile = NULL, *host = NULL;
7315ce80 799 char *port = OPENSSL_strdup(PORT);
fc0eb00b 800 char *inrand = NULL;
7e1b7485
RS		 801 char *passarg = NULL, *pass = NULL, *vfyCApath = NULL, *vfyCAfile = NULL;
802 char *sess_in = NULL, *sess_out = NULL, *crl_file = NULL, *p;
dba31777 803 char *xmpphost = NULL;
d8c25de5 804 const char *ehlo = "mail.example.com";
0f113f3e 805 struct timeval timeout, *timeoutp;
7e1b7485 806 fd_set readfds, writefds;
2b6bcb70 807 int noCApath = 0, noCAfile = 0;
7e1b7485
RS		 808 int build_chain = 0, cbuf_len, cbuf_off, cert_format = FORMAT_PEM;
809 int key_format = FORMAT_PEM, crlf = 0, full_log = 1, mbuf_len = 0;
810 int prexit = 0;
40a8e9c2 811 int sdebug = 0;
7e1b7485 812 int reconnect = 0, verify = SSL_VERIFY_NONE, vpmtouched = 0;
480405e4 813 int ret = 1, in_init = 1, i, nbio_test = 0, s = -1, k, width, state = 0;
ab69ac00
RL		 814 int sbuf_len, sbuf_off, cmdletters = 1;
815 int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM;
7e1b7485
RS		 816 int starttls_proto = PROTO_OFF, crl_format = FORMAT_PEM, crl_download = 0;
817 int write_tty, read_tty, write_ssl, read_ssl, tty_on, ssl_pending;
d485640b 818#if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
a3ef2c16 819 int at_eof = 0;
d485640b 820#endif
dad78fb1 821 int read_buf_len = 0;
7e1b7485 822 int fallback_scsv = 0;
40a8e9c2 823 long randamt = 0;
7e1b7485 824 OPTION_CHOICE o;
40a8e9c2
MC		 825#ifndef OPENSSL_NO_DTLS
826 int enable_timeouts = 0;
827 long socket_mtu = 0;
828#endif
0b13e9f0 829#ifndef OPENSSL_NO_ENGINE
0f113f3e 830 ENGINE *ssl_client_engine = NULL;
7e1b7485 831#endif
333b070e 832 ENGINE *e = NULL;
1fbab1dc 833#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
0f113f3e 834 struct timeval tv;
06f4536a 835#endif
0f113f3e 836 char *servername = NULL;
7e1b7485 837 const char *alpn_in = NULL;
0f113f3e 838 tlsextctx tlsextcbp = { NULL, 0 };
287d0b94 839 const char *ssl_config = NULL;
e481f9b9 840#define MAX_SI_TYPES 100
7e1b7485
RS		 841 unsigned short serverinfo_types[MAX_SI_TYPES];
842 int serverinfo_count = 0, start = 0, len;
e481f9b9 843#ifndef OPENSSL_NO_NEXTPROTONEG
0f113f3e 844 const char *next_proto_neg_in = NULL;
ed551cdd 845#endif
edc032b5 846#ifndef OPENSSL_NO_SRP
0f113f3e
MC		 847 char *srppass = NULL;
848 int srp_lateuser = 0;
849 SRP_ARG srp_arg = { NULL, NULL, 0, 0, 0, 1024 };
850#endif
dd696a55
RP		 851#ifndef OPENSSL_NO_CT
852 char *ctlog_file = NULL;
43341433 853 int ct_validation = 0;
dd696a55 854#endif
4bbd4ba6 855 int min_version = 0, max_version = 0, prot_opt = 0, no_prot_opt = 0;
fba13663
F		 856 int async = 0;
857 unsigned int split_send_fragment = 0;
858 unsigned int max_pipelines = 0;
fe08bd76
RS		 859 enum { use_inet, use_unix, use_unknown } connect_type = use_unknown;
860 int count4or6 = 0;
54463e4f
F		 861 int c_nbio = 0, c_msg = 0, c_ign_eof = 0, c_brief = 0;
862 int c_tlsextdebug = 0, c_status_req = 0;
863 BIO *bio_c_msg = NULL;
c7bdb6a3 864#if defined(OPENSSL_SYS_VMS)
0d3b6583
RL		 865 int stdin_sock;
866 TerminalSocket(TERM_SOCK_CREATE, &stdin_sock);
c7bdb6a3 867#endif
0f113f3e 868
efc943be
EK		 869 FD_ZERO(&readfds);
870 FD_ZERO(&writefds);
871/* Known false-positive of MemorySanitizer. */
872#if defined(__has_feature)
873# if __has_feature(memory_sanitizer)
874 __msan_unpoison(&readfds, sizeof(readfds));
875 __msan_unpoison(&writefds, sizeof(writefds));
876# endif
877#endif
878
7e1b7485 879 prog = opt_progname(argv[0]);
0f113f3e 880 c_quiet = 0;
0f113f3e 881 c_debug = 0;
0f113f3e 882 c_showcerts = 0;
7e1b7485 883 c_nbio = 0;
7e1b7485 884 vpm = X509_VERIFY_PARAM_new();
0f113f3e 885 cctx = SSL_CONF_CTX_new();
0f113f3e 886
68dc6824 887 if (vpm == NULL || cctx == NULL) {
7e1b7485 888 BIO_printf(bio_err, "%s: out of memory\n", prog);
0f113f3e
MC		 889 goto end;
890 }
891
acc00492
F		 892 cbuf = app_malloc(BUFSIZZ, "cbuf");
893 sbuf = app_malloc(BUFSIZZ, "sbuf");
894 mbuf = app_malloc(BUFSIZZ, "mbuf");
895
7e1b7485 896 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT | SSL_CONF_FLAG_CMDLINE);
0f113f3e 897
7e1b7485
RS		 898 prog = opt_init(argc, argv, s_client_options);
899 while ((o = opt_next()) != OPT_EOF) {
fe08bd76
RS		 900 /* Check for intermixing flags. */
901 if (connect_type == use_unix && IS_INET_FLAG(o)) {
902 BIO_printf(bio_err,
d6073e27
F		 903 "%s: Intermixed protocol flags (unix and internet domains)\n",
904 prog);
fe08bd76
RS		 905 goto end;
906 }
907 if (connect_type == use_inet && IS_UNIX_FLAG(o)) {
908 BIO_printf(bio_err,
d6073e27
F		 909 "%s: Intermixed protocol flags (internet and unix domains)\n",
910 prog);
fe08bd76
RS		 911 goto end;
912 }
4bbd4ba6
MC		 913
914 if (IS_PROT_FLAG(o) && ++prot_opt > 1) {
915 BIO_printf(bio_err, "Cannot supply multiple protocol flags\n");
916 goto end;
917 }
918 if (IS_NO_PROT_FLAG(o))
919 no_prot_opt++;
920 if (prot_opt == 1 && no_prot_opt) {
d6073e27
F		 921 BIO_printf(bio_err,
922 "Cannot supply both a protocol flag and '-no_<prot>'\n");
4bbd4ba6
MC		 923 goto end;
924 }
925
7e1b7485 926 switch (o) {
7e1b7485
RS		 927 case OPT_EOF:
928 case OPT_ERR:
929 opthelp:
930 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
931 goto end;
932 case OPT_HELP:
933 opt_help(s_client_options);
934 ret = 0;
935 goto end;
ab69ac00 936 case OPT_4:
fe08bd76 937 connect_type = use_inet;
ab69ac00 938 socket_family = AF_INET;
fe08bd76 939 count4or6++;
ab69ac00 940 break;
ab69ac00 941#ifdef AF_INET6
fe08bd76
RS		 942 case OPT_6:
943 connect_type = use_inet;
944 socket_family = AF_INET6;
945 count4or6++;
ab69ac00 946 break;
ab69ac00 947#endif
fe08bd76
RS		 948 case OPT_HOST:
949 connect_type = use_inet;
7315ce80 950 freeandcopy(&host, opt_arg());
7e1b7485
RS		 951 break;
952 case OPT_PORT:
fe08bd76 953 connect_type = use_inet;
7315ce80 954 freeandcopy(&port, opt_arg());
7e1b7485
RS		 955 break;
956 case OPT_CONNECT:
fe08bd76 957 connect_type = use_inet;
7315ce80 958 freeandcopy(&connectstr, opt_arg());
552bf8ec
MT		 959 break;
960 case OPT_PROXY:
961 proxystr = opt_arg();
962 starttls_proto = PROTO_CONNECT;
7e1b7485 963 break;
ab69ac00 964#ifdef AF_UNIX
7e1b7485 965 case OPT_UNIX:
fe08bd76 966 connect_type = use_unix;
ab69ac00 967 socket_family = AF_UNIX;
7315ce80 968 freeandcopy(&host, opt_arg());
7e1b7485 969 break;
ab69ac00 970#endif
d8c25de5
RS		 971 case OPT_XMPPHOST:
972 xmpphost = opt_arg();
973 break;
974 case OPT_SMTPHOST:
975 ehlo = opt_arg();
976 break;
7e1b7485 977 case OPT_VERIFY:
0f113f3e 978 verify = SSL_VERIFY_PEER;
acc00492 979 verify_args.depth = atoi(opt_arg());
0f113f3e 980 if (!c_quiet)
acc00492 981 BIO_printf(bio_err, "verify depth is %d\n", verify_args.depth);
7e1b7485
RS		 982 break;
983 case OPT_CERT:
984 cert_file = opt_arg();
985 break;
986 case OPT_CRL:
987 crl_file = opt_arg();
988 break;
989 case OPT_CRL_DOWNLOAD:
0f113f3e 990 crl_download = 1;
7e1b7485
RS		 991 break;
992 case OPT_SESS_OUT:
993 sess_out = opt_arg();
994 break;
995 case OPT_SESS_IN:
996 sess_in = opt_arg();
997 break;
998 case OPT_CERTFORM:
999 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &cert_format))
1000 goto opthelp;
1001 break;
1002 case OPT_CRLFORM:
1003 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
1004 goto opthelp;
1005 break;
1006 case OPT_VERIFY_RET_ERROR:
acc00492 1007 verify_args.return_error = 1;
7e1b7485
RS		 1008 break;
1009 case OPT_VERIFY_QUIET:
acc00492 1010 verify_args.quiet = 1;
7e1b7485
RS		 1011 break;
1012 case OPT_BRIEF:
acc00492 1013 c_brief = verify_args.quiet = c_quiet = 1;
7e1b7485
RS		 1014 break;
1015 case OPT_S_CASES:
1016 if (ssl_args == NULL)
1017 ssl_args = sk_OPENSSL_STRING_new_null();
1018 if (ssl_args == NULL
1019 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
1020 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
1021 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1022 goto end;
1023 }
1024 break;
1025 case OPT_V_CASES:
1026 if (!opt_verify(o, vpm))
1027 goto end;
1028 vpmtouched++;
1029 break;
1030 case OPT_X_CASES:
1031 if (!args_excert(o, &exc))
1032 goto end;
1033 break;
1034 case OPT_PREXIT:
0f113f3e 1035 prexit = 1;
7e1b7485
RS		 1036 break;
1037 case OPT_CRLF:
0f113f3e 1038 crlf = 1;
7e1b7485
RS		 1039 break;
1040 case OPT_QUIET:
1041 c_quiet = c_ign_eof = 1;
1042 break;
1043 case OPT_NBIO:
1044 c_nbio = 1;
1045 break;
6ba8a5b7
RS		 1046 case OPT_NOCMDS:
1047 cmdletters = 0;
1048 break;
7e1b7485 1049 case OPT_ENGINE:
333b070e 1050 e = setup_engine(opt_arg(), 1);
7e1b7485
RS		 1051 break;
1052 case OPT_SSL_CLIENT_ENGINE:
333b070e
RS		 1053#ifndef OPENSSL_NO_ENGINE
1054 ssl_client_engine = ENGINE_by_id(opt_arg());
1055 if (ssl_client_engine == NULL) {
1056 BIO_printf(bio_err, "Error getting client auth engine\n");
1057 goto opthelp;
1058 }
333b070e 1059#endif
7e1b7485
RS		 1060 break;
1061 case OPT_RAND:
1062 inrand = opt_arg();
1063 break;
1064 case OPT_IGN_EOF:
0f113f3e 1065 c_ign_eof = 1;
7e1b7485
RS		 1066 break;
1067 case OPT_NO_IGN_EOF:
0f113f3e 1068 c_ign_eof = 0;
7e1b7485 1069 break;
7e1b7485 1070 case OPT_DEBUG:
0f113f3e 1071 c_debug = 1;
7e1b7485 1072 break;
7e1b7485 1073 case OPT_TLSEXTDEBUG:
0f113f3e 1074 c_tlsextdebug = 1;
7e1b7485
RS		 1075 break;
1076 case OPT_STATUS:
0f113f3e 1077 c_status_req = 1;
7e1b7485 1078 break;
7e1b7485 1079 case OPT_WDEBUG:
9c3bcfa0 1080#ifdef WATT32
0f113f3e
MC		 1081 dbug_init();
1082#endif
9c3bcfa0 1083 break;
7e1b7485 1084 case OPT_MSG:
0f113f3e 1085 c_msg = 1;
7e1b7485
RS		 1086 break;
1087 case OPT_MSGFILE:
1088 bio_c_msg = BIO_new_file(opt_arg(), "w");
1089 break;
7e1b7485 1090 case OPT_TRACE:
9c3bcfa0 1091#ifndef OPENSSL_NO_SSL_TRACE
0f113f3e
MC		 1092 c_msg = 2;
1093#endif
9c3bcfa0 1094 break;
7e1b7485 1095 case OPT_SECURITY_DEBUG:
0f113f3e 1096 sdebug = 1;
7e1b7485
RS		 1097 break;
1098 case OPT_SECURITY_DEBUG_VERBOSE:
0f113f3e 1099 sdebug = 2;
7e1b7485
RS		 1100 break;
1101 case OPT_SHOWCERTS:
0f113f3e 1102 c_showcerts = 1;
7e1b7485
RS		 1103 break;
1104 case OPT_NBIO_TEST:
0f113f3e 1105 nbio_test = 1;
7e1b7485
RS		 1106 break;
1107 case OPT_STATE:
0f113f3e 1108 state = 1;
7e1b7485 1109 break;
ddac1974 1110#ifndef OPENSSL_NO_PSK
7e1b7485
RS		 1111 case OPT_PSK_IDENTITY:
1112 psk_identity = opt_arg();
1113 break;
1114 case OPT_PSK:
1115 for (p = psk_key = opt_arg(); *p; p++) {
18295f0c 1116 if (isxdigit(_UC(*p)))
0f113f3e 1117 continue;
7e1b7485
RS		 1118 BIO_printf(bio_err, "Not a hex number '%s'\n", psk_key);
1119 goto end;
0f113f3e 1120 }
13cbe5e7 1121 break;
ddac1974 1122#endif
edc032b5 1123#ifndef OPENSSL_NO_SRP
7e1b7485
RS		 1124 case OPT_SRPUSER:
1125 srp_arg.srplogin = opt_arg();
0d5301af
KR		 1126 if (min_version < TLS1_VERSION)
1127 min_version = TLS1_VERSION;
7e1b7485
RS		 1128 break;
1129 case OPT_SRPPASS:
1130 srppass = opt_arg();
0d5301af
KR		 1131 if (min_version < TLS1_VERSION)
1132 min_version = TLS1_VERSION;
7e1b7485
RS		 1133 break;
1134 case OPT_SRP_STRENGTH:
1135 srp_arg.strength = atoi(opt_arg());
0f113f3e
MC		 1136 BIO_printf(bio_err, "SRP minimal length for N is %d\n",
1137 srp_arg.strength);
0d5301af
KR		 1138 if (min_version < TLS1_VERSION)
1139 min_version = TLS1_VERSION;
7e1b7485
RS		 1140 break;
1141 case OPT_SRP_LATEUSER:
0f113f3e 1142 srp_lateuser = 1;
0d5301af
KR		 1143 if (min_version < TLS1_VERSION)
1144 min_version = TLS1_VERSION;
7e1b7485
RS		 1145 break;
1146 case OPT_SRP_MOREGROUPS:
0f113f3e 1147 srp_arg.amp = 1;
0d5301af
KR		 1148 if (min_version < TLS1_VERSION)
1149 min_version = TLS1_VERSION;
7e1b7485 1150 break;
edc032b5 1151#endif
287d0b94
DSH		 1152 case OPT_SSL_CONFIG:
1153 ssl_config = opt_arg();
1154 break;
7e1b7485 1155 case OPT_SSL3:
0d5301af
KR		 1156 min_version = SSL3_VERSION;
1157 max_version = SSL3_VERSION;
9c3bcfa0 1158 break;
7e1b7485 1159 case OPT_TLS1_2:
0d5301af
KR		 1160 min_version = TLS1_2_VERSION;
1161 max_version = TLS1_2_VERSION;
7e1b7485
RS		 1162 break;
1163 case OPT_TLS1_1:
0d5301af
KR		 1164 min_version = TLS1_1_VERSION;
1165 max_version = TLS1_1_VERSION;
7e1b7485
RS		 1166 break;
1167 case OPT_TLS1:
0d5301af
KR		 1168 min_version = TLS1_VERSION;
1169 max_version = TLS1_VERSION;
7e1b7485 1170 break;
7e1b7485 1171 case OPT_DTLS:
6b01bed2 1172#ifndef OPENSSL_NO_DTLS
0f113f3e
MC		 1173 meth = DTLS_client_method();
1174 socket_type = SOCK_DGRAM;
6b01bed2 1175#endif
7e1b7485
RS		 1176 break;
1177 case OPT_DTLS1:
6b01bed2 1178#ifndef OPENSSL_NO_DTLS1
0d5301af
KR		 1179 meth = DTLS_client_method();
1180 min_version = DTLS1_VERSION;
1181 max_version = DTLS1_VERSION;
0f113f3e 1182 socket_type = SOCK_DGRAM;
6b01bed2 1183#endif
7e1b7485
RS		 1184 break;
1185 case OPT_DTLS1_2:
6b01bed2 1186#ifndef OPENSSL_NO_DTLS1_2
0d5301af
KR		 1187 meth = DTLS_client_method();
1188 min_version = DTLS1_2_VERSION;
1189 max_version = DTLS1_2_VERSION;
0f113f3e 1190 socket_type = SOCK_DGRAM;
6b01bed2 1191#endif
7e1b7485
RS		 1192 break;
1193 case OPT_TIMEOUT:
6b01bed2 1194#ifndef OPENSSL_NO_DTLS
0f113f3e 1195 enable_timeouts = 1;
6b01bed2 1196#endif
7e1b7485
RS		 1197 break;
1198 case OPT_MTU:
6b01bed2 1199#ifndef OPENSSL_NO_DTLS
7e1b7485 1200 socket_mtu = atol(opt_arg());
0f113f3e 1201#endif
6b01bed2 1202 break;
7e1b7485 1203 case OPT_FALLBACKSCSV:
0f113f3e 1204 fallback_scsv = 1;
7e1b7485
RS		 1205 break;
1206 case OPT_KEYFORM:
1207 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &key_format))
1208 goto opthelp;
1209 break;
1210 case OPT_PASS:
1211 passarg = opt_arg();
1212 break;
1213 case OPT_CERT_CHAIN:
1214 chain_file = opt_arg();
1215 break;
1216 case OPT_KEY:
1217 key_file = opt_arg();
1218 break;
1219 case OPT_RECONNECT:
0f113f3e 1220 reconnect = 5;
7e1b7485
RS		 1221 break;
1222 case OPT_CAPATH:
1223 CApath = opt_arg();
1224 break;
2b6bcb70
MC		 1225 case OPT_NOCAPATH:
1226 noCApath = 1;
1227 break;
7e1b7485
RS		 1228 case OPT_CHAINCAPATH:
1229 chCApath = opt_arg();
1230 break;
1231 case OPT_VERIFYCAPATH:
1232 vfyCApath = opt_arg();
1233 break;
1234 case OPT_BUILD_CHAIN:
0f113f3e 1235 build_chain = 1;
7e1b7485
RS		 1236 break;
1237 case OPT_CAFILE:
1238 CAfile = opt_arg();
1239 break;
2b6bcb70
MC		 1240 case OPT_NOCAFILE:
1241 noCAfile = 1;
1242 break;
dd696a55
RP		 1243#ifndef OPENSSL_NO_CT
1244 case OPT_NOCT:
43341433 1245 ct_validation = 0;
dd696a55 1246 break;
43341433
VD		 1247 case OPT_CT:
1248 ct_validation = 1;
dd696a55
RP		 1249 break;
1250 case OPT_CTLOG_FILE:
1251 ctlog_file = opt_arg();
1252 break;
1253#endif
7e1b7485
RS		 1254 case OPT_CHAINCAFILE:
1255 chCAfile = opt_arg();
1256 break;
1257 case OPT_VERIFYCAFILE:
1258 vfyCAfile = opt_arg();
1259 break;
cddd424a
VD		 1260 case OPT_DANE_TLSA_DOMAIN:
1261 dane_tlsa_domain = opt_arg();
1262 break;
1263 case OPT_DANE_TLSA_RRDATA:
1264 if (dane_tlsa_rrset == NULL)
1265 dane_tlsa_rrset = sk_OPENSSL_STRING_new_null();
1266 if (dane_tlsa_rrset == NULL ||
1267 !sk_OPENSSL_STRING_push(dane_tlsa_rrset, opt_arg())) {
1268 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1269 goto end;
1270 }
1271 break;
c4fbed6c
VD		 1272 case OPT_DANE_EE_NO_NAME:
1273 dane_ee_no_name = 1;
1274 break;
7e1b7485 1275 case OPT_NEXTPROTONEG:
1595ca02 1276#ifndef OPENSSL_NO_NEXTPROTONEG
7e1b7485 1277 next_proto_neg_in = opt_arg();
1595ca02 1278#endif
7e1b7485
RS		 1279 break;
1280 case OPT_ALPN:
1281 alpn_in = opt_arg();
1282 break;
1283 case OPT_SERVERINFO:
1284 p = opt_arg();
1285 len = strlen(p);
1286 for (start = 0, i = 0; i <= len; ++i) {
1287 if (i == len || p[i] == ',') {
1288 serverinfo_types[serverinfo_count] = atoi(p + start);
1289 if (++serverinfo_count == MAX_SI_TYPES)
1290 break;
0f113f3e
MC		 1291 start = i + 1;
1292 }
0f113f3e 1293 }
7e1b7485 1294 break;
7e1b7485
RS		 1295 case OPT_STARTTLS:
1296 if (!opt_pair(opt_arg(), services, &starttls_proto))
1297 goto end;
46da5f9c 1298 break;
7e1b7485
RS		 1299 case OPT_SERVERNAME:
1300 servername = opt_arg();
7e1b7485 1301 break;
7e1b7485
RS		 1302 case OPT_USE_SRTP:
1303 srtp_profiles = opt_arg();
1304 break;
1305 case OPT_KEYMATEXPORT:
1306 keymatexportlabel = opt_arg();
1307 break;
1308 case OPT_KEYMATEXPORTLEN:
1309 keymatexportlen = atoi(opt_arg());
0f113f3e 1310 break;
7e25dd6d
MC		 1311 case OPT_ASYNC:
1312 async = 1;
1313 break;
032c6d21
MC		 1314 case OPT_SPLIT_SEND_FRAG:
1315 split_send_fragment = atoi(opt_arg());
1316 if (split_send_fragment == 0) {
e2d5183d
MC		 1317 /*
1318 * Not allowed - set to a deliberately bad value so we get an
1319 * error message below
1320 */
1321 split_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH + 1;
032c6d21
MC		 1322 }
1323 break;
1324 case OPT_MAX_PIPELINES:
1325 max_pipelines = atoi(opt_arg());
1326 break;
dad78fb1
MC		 1327 case OPT_READ_BUF:
1328 read_buf_len = atoi(opt_arg());
1329 break;
0f113f3e 1330 }
0f113f3e 1331 }
fe08bd76
RS		 1332 if (count4or6 >= 2) {
1333 BIO_printf(bio_err, "%s: Can't use both -4 and -6\n", prog);
1334 goto opthelp;
1335 }
7e1b7485 1336 argc = opt_num_rest();
03358517
KR		 1337 if (argc != 0)
1338 goto opthelp;
0f113f3e 1339
552bf8ec 1340 if (proxystr) {
ab69ac00
RL		 1341 int res;
1342 char *tmp_host = host, *tmp_port = port;
552bf8ec
MT		 1343 if (connectstr == NULL) {
1344 BIO_printf(bio_err, "%s: -proxy requires use of -connect\n", prog);
1345 goto opthelp;
1346 }
ab69ac00
RL		 1347 res = BIO_parse_hostserv(proxystr, &host, &port, BIO_PARSE_PRIO_HOST);
1348 if (tmp_host != host)
1349 OPENSSL_free(tmp_host);
1350 if (tmp_port != port)
1351 OPENSSL_free(tmp_port);
1352 if (!res) {
d6073e27
F		 1353 BIO_printf(bio_err,
1354 "%s: -proxy argument malformed or ambiguous\n", prog);
ab69ac00
RL		 1355 goto end;
1356 }
1357 } else {
1358 int res = 1;
1359 char *tmp_host = host, *tmp_port = port;
1360 if (connectstr != NULL)
1361 res = BIO_parse_hostserv(connectstr, &host, &port,
1362 BIO_PARSE_PRIO_HOST);
1363 if (tmp_host != host)
1364 OPENSSL_free(tmp_host);
1365 if (tmp_port != port)
1366 OPENSSL_free(tmp_port);
1367 if (!res) {
1368 BIO_printf(bio_err,
1369 "%s: -connect argument malformed or ambiguous\n",
1370 prog);
552bf8ec 1371 goto end;
ab69ac00 1372 }
552bf8ec 1373 }
552bf8ec 1374
ab69ac00 1375 if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) {
0f113f3e
MC		 1376 BIO_printf(bio_err,
1377 "Can't use unix sockets and datagrams together\n");
1378 goto end;
1379 }
f3b7bdad 1380
032c6d21
MC		 1381 if (split_send_fragment > SSL3_RT_MAX_PLAIN_LENGTH) {
1382 BIO_printf(bio_err, "Bad split send fragment size\n");
1383 goto end;
1384 }
1385
1386 if (max_pipelines > SSL_MAX_PIPELINES) {
1387 BIO_printf(bio_err, "Bad max pipelines value\n");
1388 goto end;
1389 }
1390
e481f9b9 1391#if !defined(OPENSSL_NO_NEXTPROTONEG)
0f113f3e
MC		 1392 next_proto.status = -1;
1393 if (next_proto_neg_in) {
1394 next_proto.data =
1395 next_protos_parse(&next_proto.len, next_proto_neg_in);
1396 if (next_proto.data == NULL) {
1397 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n");
1398 goto end;
1399 }
1400 } else
1401 next_proto.data = NULL;
ee2ffc27
BL		 1402#endif
1403
7e1b7485 1404 if (!app_passwd(passarg, NULL, &pass, NULL)) {
0f113f3e
MC		 1405 BIO_printf(bio_err, "Error getting password\n");
1406 goto end;
1407 }
1408
1409 if (key_file == NULL)
1410 key_file = cert_file;
1411
1412 if (key_file) {
7e1b7485 1413 key = load_key(key_file, key_format, 0, pass, e,
0f113f3e 1414 "client certificate private key file");
7e1b7485 1415 if (key == NULL) {
0f113f3e
MC		 1416 ERR_print_errors(bio_err);
1417 goto end;
1418 }
0f113f3e
MC		 1419 }
1420
1421 if (cert_file) {
a773b52a 1422 cert = load_cert(cert_file, cert_format, "client certificate file");
7e1b7485 1423 if (cert == NULL) {
0f113f3e
MC		 1424 ERR_print_errors(bio_err);
1425 goto end;
1426 }
1427 }
1428
1429 if (chain_file) {
a773b52a 1430 if (!load_certs(chain_file, &chain, FORMAT_PEM, NULL,
0996dc54 1431 "client certificate chain"))
0f113f3e
MC		 1432 goto end;
1433 }
1434
1435 if (crl_file) {
1436 X509_CRL *crl;
1437 crl = load_crl(crl_file, crl_format);
7e1b7485 1438 if (crl == NULL) {
0f113f3e
MC		 1439 BIO_puts(bio_err, "Error loading CRL\n");
1440 ERR_print_errors(bio_err);
1441 goto end;
1442 }
1443 crls = sk_X509_CRL_new_null();
7e1b7485 1444 if (crls == NULL || !sk_X509_CRL_push(crls, crl)) {
0f113f3e
MC		 1445 BIO_puts(bio_err, "Error adding CRL\n");
1446 ERR_print_errors(bio_err);
1447 X509_CRL_free(crl);
1448 goto end;
1449 }
1450 }
1451
7e1b7485 1452 if (!load_excert(&exc))
0f113f3e
MC		 1453 goto end;
1454
7e1b7485 1455 if (!app_RAND_load_file(NULL, 1) && inrand == NULL
0f113f3e
MC		 1456 && !RAND_status()) {
1457 BIO_printf(bio_err,
1458 "warning, not much extra random data, consider using the -rand option\n");
1459 }
7e1b7485
RS		 1460 if (inrand != NULL) {
1461 randamt = app_RAND_load_files(inrand);
1462 BIO_printf(bio_err, "%ld semi-random bytes loaded\n", randamt);
1463 }
0f113f3e
MC		 1464
1465 if (bio_c_out == NULL) {
1466 if (c_quiet && !c_debug) {
1467 bio_c_out = BIO_new(BIO_s_null());
1468 if (c_msg && !bio_c_msg)
a60994df 1469 bio_c_msg = dup_bio_out(FORMAT_TEXT);
7e1b7485 1470 } else if (bio_c_out == NULL)
a60994df 1471 bio_c_out = dup_bio_out(FORMAT_TEXT);
0f113f3e 1472 }
edc032b5 1473#ifndef OPENSSL_NO_SRP
7e1b7485 1474 if (!app_passwd(srppass, NULL, &srp_arg.srppassin, NULL)) {
0f113f3e
MC		 1475 BIO_printf(bio_err, "Error getting password\n");
1476 goto end;
1477 }
1478#endif
1479
1480 ctx = SSL_CTX_new(meth);
1481 if (ctx == NULL) {
1482 ERR_print_errors(bio_err);
1483 goto end;
1484 }
1485
1486 if (sdebug)
ecf3a1fb 1487 ssl_ctx_security_debug(ctx, sdebug);
0f113f3e 1488
287d0b94
DSH		 1489 if (ssl_config) {
1490 if (SSL_CTX_config(ctx, ssl_config) == 0) {
1491 BIO_printf(bio_err, "Error using configuration \"%s\"\n",
1492 ssl_config);
d6073e27
F		 1493 ERR_print_errors(bio_err);
1494 goto end;
287d0b94
DSH		 1495 }
1496 }
1497
0d5301af
KR		 1498 if (SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
1499 goto end;
1500 if (SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
1501 goto end;
1502
7e1b7485 1503 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
ac59d705
MC		 1504 BIO_printf(bio_err, "Error setting verify params\n");
1505 ERR_print_errors(bio_err);
1506 goto end;
1507 }
0f113f3e 1508
5e6f9775 1509 if (async) {
7e25dd6d 1510 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
5e6f9775 1511 }
032c6d21
MC		 1512 if (split_send_fragment > 0) {
1513 SSL_CTX_set_split_send_fragment(ctx, split_send_fragment);
1514 }
1515 if (max_pipelines > 0) {
1516 SSL_CTX_set_max_pipelines(ctx, max_pipelines);
1517 }
7e25dd6d 1518
dad78fb1
MC		 1519 if (read_buf_len > 0) {
1520 SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len);
1521 }
1522
dba31777 1523 if (!config_ctx(cctx, ssl_args, ctx))
0f113f3e 1524 goto end;
0f113f3e
MC		 1525
1526 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1527 crls, crl_download)) {
1528 BIO_printf(bio_err, "Error loading store locations\n");
1529 ERR_print_errors(bio_err);
1530 goto end;
1531 }
59d2d48f 1532#ifndef OPENSSL_NO_ENGINE
0f113f3e
MC		 1533 if (ssl_client_engine) {
1534 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine)) {
1535 BIO_puts(bio_err, "Error setting client auth engine\n");
1536 ERR_print_errors(bio_err);
1537 ENGINE_free(ssl_client_engine);
1538 goto end;
1539 }
1540 ENGINE_free(ssl_client_engine);
1541 }
59d2d48f
DSH		 1542#endif
1543
ddac1974 1544#ifndef OPENSSL_NO_PSK
dba31777 1545 if (psk_key != NULL) {
0f113f3e 1546 if (c_debug)
d6073e27 1547 BIO_printf(bio_c_out, "PSK key given, setting client callback\n");
0f113f3e
MC		 1548 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
1549 }
e783bae2
PS		 1550#endif
1551#ifndef OPENSSL_NO_SRTP
ac59d705 1552 if (srtp_profiles != NULL) {
7e1b7485
RS		 1553 /* Returns 0 on success! */
1554 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
ac59d705
MC		 1555 BIO_printf(bio_err, "Error setting SRTP profile\n");
1556 ERR_print_errors(bio_err);
1557 goto end;
1558 }
1559 }
0f113f3e 1560#endif
7e1b7485 1561
0f113f3e
MC		 1562 if (exc)
1563 ssl_ctx_set_excert(ctx, exc);
d02b48c6 1564
e481f9b9 1565#if !defined(OPENSSL_NO_NEXTPROTONEG)
0f113f3e
MC		 1566 if (next_proto.data)
1567 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
e481f9b9 1568#endif
0f113f3e 1569 if (alpn_in) {
817cd0d5 1570 size_t alpn_len;
0f113f3e
MC		 1571 unsigned char *alpn = next_protos_parse(&alpn_len, alpn_in);
1572
1573 if (alpn == NULL) {
1574 BIO_printf(bio_err, "Error parsing -alpn argument\n");
1575 goto end;
1576 }
7e1b7485
RS		 1577 /* Returns 0 on success! */
1578 if (SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len) != 0) {
d6073e27 1579 BIO_printf(bio_err, "Error setting ALPN\n");
ac59d705
MC		 1580 goto end;
1581 }
0f113f3e
MC		 1582 OPENSSL_free(alpn);
1583 }
e481f9b9 1584
7e1b7485 1585 for (i = 0; i < serverinfo_count; i++) {
61986d32 1586 if (!SSL_CTX_add_client_custom_ext(ctx,
7e1b7485
RS		 1587 serverinfo_types[i],
1588 NULL, NULL, NULL,
1589 serverinfo_cli_parse_cb, NULL)) {
1590 BIO_printf(bio_err,
d6073e27
F		 1591 "Warning: Unable to add custom extension %u, skipping\n",
1592 serverinfo_types[i]);
ac59d705 1593 }
0f113f3e 1594 }
ee2ffc27 1595
0f113f3e
MC		 1596 if (state)
1597 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
d02b48c6 1598
dd696a55 1599#ifndef OPENSSL_NO_CT
43341433
VD		 1600 /* Enable SCT processing, without early connection termination */
1601 if (ct_validation &&
1602 !SSL_CTX_enable_ct(ctx, SSL_CT_VALIDATION_PERMISSIVE)) {
dd696a55
RP		 1603 ERR_print_errors(bio_err);
1604 goto end;
1605 }
1606
70073f3e 1607 if (!ctx_set_ctlog_list_file(ctx, ctlog_file)) {
43341433 1608 if (ct_validation) {
328f36c5
RP		 1609 ERR_print_errors(bio_err);
1610 goto end;
1611 }
1612
1613 /*
1614 * If CT validation is not enabled, the log list isn't needed so don't
1615 * show errors or abort. We try to load it regardless because then we
1616 * can show the names of the logs any SCTs came from (SCTs may be seen
1617 * even with validation disabled).
1618 */
1619 ERR_clear_error();
dd696a55
RP		 1620 }
1621#endif
1622
0f113f3e 1623 SSL_CTX_set_verify(ctx, verify, verify_callback);
d02b48c6 1624
2b6bcb70 1625 if (!ctx_set_verify_locations(ctx, CAfile, CApath, noCAfile, noCApath)) {
0f113f3e 1626 ERR_print_errors(bio_err);
7e1b7485 1627 goto end;
0f113f3e 1628 }
d02b48c6 1629
0f113f3e 1630 ssl_ctx_add_crls(ctx, crls, crl_download);
fdb78f3d 1631
0f113f3e
MC		 1632 if (!set_cert_key_stuff(ctx, cert, key, chain, build_chain))
1633 goto end;
74ecfab4 1634
0f113f3e
MC		 1635 if (servername != NULL) {
1636 tlsextcbp.biodebug = bio_err;
1637 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1638 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1639 }
1640# ifndef OPENSSL_NO_SRP
1641 if (srp_arg.srplogin) {
1642 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin)) {
1643 BIO_printf(bio_err, "Unable to set SRP username\n");
1644 goto end;
1645 }
1646 srp_arg.msg = c_msg;
1647 srp_arg.debug = c_debug;
1648 SSL_CTX_set_srp_cb_arg(ctx, &srp_arg);
1649 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb);
1650 SSL_CTX_set_srp_strength(ctx, srp_arg.strength);
1651 if (c_msg || c_debug || srp_arg.amp == 0)
1652 SSL_CTX_set_srp_verify_param_callback(ctx,
1653 ssl_srp_verify_param_cb);
1654 }
1655# endif
0f113f3e 1656
cddd424a
VD		 1657 if (dane_tlsa_domain != NULL) {
1658 if (SSL_CTX_dane_enable(ctx) <= 0) {
1659 BIO_printf(bio_err,
d6073e27
F		 1660 "%s: Error enabling DANE TLSA authentication.\n",
1661 prog);
cddd424a
VD		 1662 ERR_print_errors(bio_err);
1663 goto end;
1664 }
1665 }
1666
0f113f3e
MC		 1667 con = SSL_new(ctx);
1668 if (sess_in) {
1669 SSL_SESSION *sess;
1670 BIO *stmp = BIO_new_file(sess_in, "r");
1671 if (!stmp) {
1672 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1673 ERR_print_errors(bio_err);
1674 goto end;
1675 }
1676 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1677 BIO_free(stmp);
1678 if (!sess) {
1679 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1680 ERR_print_errors(bio_err);
1681 goto end;
1682 }
61986d32 1683 if (!SSL_set_session(con, sess)) {
ac59d705
MC		 1684 BIO_printf(bio_err, "Can't set session\n");
1685 ERR_print_errors(bio_err);
1686 goto end;
1687 }
0f113f3e
MC		 1688 SSL_SESSION_free(sess);
1689 }
1690
1691 if (fallback_scsv)
1692 SSL_set_mode(con, SSL_MODE_SEND_FALLBACK_SCSV);
cf6da053 1693
0f113f3e
MC		 1694 if (servername != NULL) {
1695 if (!SSL_set_tlsext_host_name(con, servername)) {
1696 BIO_printf(bio_err, "Unable to set TLS servername extension.\n");
1697 ERR_print_errors(bio_err);
1698 goto end;
1699 }
1700 }
d02b48c6 1701
cddd424a
VD		 1702 if (dane_tlsa_domain != NULL) {
1703 if (SSL_dane_enable(con, dane_tlsa_domain) <= 0) {
1704 BIO_printf(bio_err, "%s: Error enabling DANE TLSA "
1705 "authentication.\n", prog);
1706 ERR_print_errors(bio_err);
1707 goto end;
1708 }
1709 if (dane_tlsa_rrset == NULL) {
1710 BIO_printf(bio_err, "%s: DANE TLSA authentication requires at "
bc87fb6b 1711 "least one -dane_tlsa_rrdata option.\n", prog);
cddd424a
VD		 1712 goto end;
1713 }
1714 if (tlsa_import_rrset(con, dane_tlsa_rrset) <= 0) {
1715 BIO_printf(bio_err, "%s: Failed to import any TLSA "
1716 "records.\n", prog);
1717 goto end;
1718 }
c4fbed6c
VD		 1719 if (dane_ee_no_name)
1720 SSL_dane_set_flags(con, DANE_FLAG_NO_DANE_EE_NAMECHECKS);
cddd424a 1721 } else if (dane_tlsa_rrset != NULL) {
bde136c8
F		 1722 BIO_printf(bio_err, "%s: DANE TLSA authentication requires the "
1723 "-dane_tlsa_domain option.\n", prog);
1724 goto end;
cddd424a
VD		 1725 }
1726
0f113f3e 1727 re_start:
d6073e27 1728 if (init_client(&s, host, port, socket_family, socket_type) == 0) {
0f113f3e 1729 BIO_printf(bio_err, "connect:errno=%d\n", get_last_socket_error());
8731a4fc 1730 BIO_closesocket(s);
0f113f3e
MC		 1731 goto end;
1732 }
1733 BIO_printf(bio_c_out, "CONNECTED(%08X)\n", s);
d02b48c6 1734
0f113f3e 1735 if (c_nbio) {
ba810815 1736 if (!BIO_socket_nbio(s, 1)) {
0f113f3e
MC		 1737 ERR_print_errors(bio_err);
1738 goto end;
1739 }
ba810815 1740 BIO_printf(bio_c_out, "Turned on non blocking io\n");
0f113f3e 1741 }
40a8e9c2 1742#ifndef OPENSSL_NO_DTLS
0f113f3e 1743 if (socket_type == SOCK_DGRAM) {
642a166c 1744 union BIO_sock_info_u peer_info;
0f113f3e
MC		 1745
1746 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
642a166c
RL		 1747 if ((peer_info.addr = BIO_ADDR_new()) == NULL) {
1748 BIO_printf(bio_err, "memory allocation failure\n");
1749 BIO_closesocket(s);
d6accd50 1750 goto end;
642a166c
RL		 1751 }
1752 if (!BIO_sock_info(s, BIO_SOCK_INFO_ADDRESS, &peer_info)) {
0f113f3e
MC		 1753 BIO_printf(bio_err, "getsockname:errno=%d\n",
1754 get_last_socket_error());
642a166c 1755 BIO_ADDR_free(peer_info.addr);
8731a4fc 1756 BIO_closesocket(s);
0f113f3e
MC		 1757 goto end;
1758 }
1759
642a166c
RL		 1760 (void)BIO_ctrl_set_connected(sbio, peer_info.addr);
1761 BIO_ADDR_free(peer_info.addr);
1762 peer_info.addr = NULL;
0f113f3e
MC		 1763
1764 if (enable_timeouts) {
1765 timeout.tv_sec = 0;
1766 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1767 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1768
1769 timeout.tv_sec = 0;
1770 timeout.tv_usec = DGRAM_SND_TIMEOUT;
1771 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1772 }
1773
1774 if (socket_mtu) {
1775 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
1776 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
1777 DTLS_get_link_min_mtu(con));
1778 BIO_free(sbio);
1779 goto shut;
1780 }
1781 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1782 if (!DTLS_set_link_mtu(con, socket_mtu)) {
1783 BIO_printf(bio_err, "Failed to set MTU\n");
1784 BIO_free(sbio);
1785 goto shut;
1786 }
1787 } else
1788 /* want to do MTU discovery */
1789 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1790 } else
40a8e9c2 1791#endif /* OPENSSL_NO_DTLS */
0f113f3e
MC		 1792 sbio = BIO_new_socket(s, BIO_NOCLOSE);
1793
1794 if (nbio_test) {
1795 BIO *test;
1796
1797 test = BIO_new(BIO_f_nbio_test());
1798 sbio = BIO_push(test, sbio);
1799 }
1800
1801 if (c_debug) {
0f113f3e
MC		 1802 BIO_set_callback(sbio, bio_dump_callback);
1803 BIO_set_callback_arg(sbio, (char *)bio_c_out);
1804 }
1805 if (c_msg) {
93ab9e42 1806#ifndef OPENSSL_NO_SSL_TRACE
0f113f3e
MC		 1807 if (c_msg == 2)
1808 SSL_set_msg_callback(con, SSL_trace);
1809 else
93ab9e42 1810#endif
0f113f3e
MC		 1811 SSL_set_msg_callback(con, msg_cb);
1812 SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out);
1813 }
e481f9b9 1814
0f113f3e
MC		 1815 if (c_tlsextdebug) {
1816 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1817 SSL_set_tlsext_debug_arg(con, bio_c_out);
1818 }
3e41ac35 1819#ifndef OPENSSL_NO_OCSP
0f113f3e
MC		 1820 if (c_status_req) {
1821 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
1822 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
1823 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
0f113f3e 1824 }
3e41ac35 1825#endif
0f113f3e
MC		 1826
1827 SSL_set_bio(con, sbio, sbio);
1828 SSL_set_connect_state(con);
1829
1830 /* ok, lets connect */
c7bdb6a3 1831#if defined(OPENSSL_SYS_VMS)
0d3b6583
RL		 1832 if (stdin_sock > SSL_get_fd(con))
1833 width = stdin_sock + 1;
1834 else
1835 width = SSL_get_fd(con) + 1;
c7bdb6a3 1836#else
0f113f3e 1837 width = SSL_get_fd(con) + 1;
0d3b6583 1838#endif
0f113f3e
MC		 1839 read_tty = 1;
1840 write_tty = 0;
1841 tty_on = 0;
1842 read_ssl = 1;
1843 write_ssl = 1;
1844
1845 cbuf_len = 0;
1846 cbuf_off = 0;
1847 sbuf_len = 0;
1848 sbuf_off = 0;
1849
7e1b7485
RS		 1850 switch ((PROTOCOL_CHOICE) starttls_proto) {
1851 case PROTO_OFF:
1852 break;
1853 case PROTO_SMTP:
1854 {
1855 /*
1856 * This is an ugly hack that does a lot of assumptions. We do
1857 * have to handle multi-line responses which may come in a single
1858 * packet or not. We therefore have to use BIO_gets() which does
1859 * need a buffering BIO. So during the initial chitchat we do
1860 * push a buffering BIO into the chain that is removed again
1861 * later on to not disturb the rest of the s_client operation.
1862 */
1863 int foundit = 0;
1864 BIO *fbio = BIO_new(BIO_f_buffer());
1865 BIO_push(fbio, sbio);
1866 /* wait for multi-line response to end from SMTP */
1867 do {
1868 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1869 }
1870 while (mbuf_len > 3 && mbuf[3] == '-');
d8c25de5 1871 BIO_printf(fbio, "EHLO %s\r\n", ehlo);
7e1b7485
RS		 1872 (void)BIO_flush(fbio);
1873 /* wait for multi-line response to end EHLO SMTP response */
1874 do {
1875 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1876 if (strstr(mbuf, "STARTTLS"))
1877 foundit = 1;
1878 }
1879 while (mbuf_len > 3 && mbuf[3] == '-');
1880 (void)BIO_flush(fbio);
1881 BIO_pop(fbio);
1882 BIO_free(fbio);
1883 if (!foundit)
1884 BIO_printf(bio_err,
c7944cf1
QGM		 1885 "didn't find starttls in server response,"
1886 " trying anyway...\n");
7e1b7485
RS		 1887 BIO_printf(sbio, "STARTTLS\r\n");
1888 BIO_read(sbio, sbuf, BUFSIZZ);
0f113f3e 1889 }
7e1b7485
RS		 1890 break;
1891 case PROTO_POP3:
1892 {
1893 BIO_read(sbio, mbuf, BUFSIZZ);
1894 BIO_printf(sbio, "STLS\r\n");
1895 mbuf_len = BIO_read(sbio, sbuf, BUFSIZZ);
1896 if (mbuf_len < 0) {
1897 BIO_printf(bio_err, "BIO_read failed\n");
1898 goto end;
1899 }
0f113f3e 1900 }
7e1b7485
RS		 1901 break;
1902 case PROTO_IMAP:
1903 {
1904 int foundit = 0;
1905 BIO *fbio = BIO_new(BIO_f_buffer());
1906 BIO_push(fbio, sbio);
1907 BIO_gets(fbio, mbuf, BUFSIZZ);
1908 /* STARTTLS command requires CAPABILITY... */
1909 BIO_printf(fbio, ". CAPABILITY\r\n");
1910 (void)BIO_flush(fbio);
1911 /* wait for multi-line CAPABILITY response */
1912 do {
1913 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1914 if (strstr(mbuf, "STARTTLS"))
1915 foundit = 1;
1916 }
1917 while (mbuf_len > 3 && mbuf[0] != '.');
1918 (void)BIO_flush(fbio);
1919 BIO_pop(fbio);
1920 BIO_free(fbio);
1921 if (!foundit)
1922 BIO_printf(bio_err,
c7944cf1
QGM		 1923 "didn't find STARTTLS in server response,"
1924 " trying anyway...\n");
7e1b7485
RS		 1925 BIO_printf(sbio, ". STARTTLS\r\n");
1926 BIO_read(sbio, sbuf, BUFSIZZ);
0f113f3e 1927 }
7e1b7485
RS		 1928 break;
1929 case PROTO_FTP:
1930 {
1931 BIO *fbio = BIO_new(BIO_f_buffer());
1932 BIO_push(fbio, sbio);
1933 /* wait for multi-line response to end from FTP */
1934 do {
1935 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1936 }
1937 while (mbuf_len > 3 && mbuf[3] == '-');
1938 (void)BIO_flush(fbio);
1939 BIO_pop(fbio);
1940 BIO_free(fbio);
1941 BIO_printf(sbio, "AUTH TLS\r\n");
1942 BIO_read(sbio, sbuf, BUFSIZZ);
0f113f3e 1943 }
7e1b7485
RS		 1944 break;
1945 case PROTO_XMPP:
898ea7b8 1946 case PROTO_XMPP_SERVER:
0f113f3e 1947 {
7e1b7485
RS		 1948 int seen = 0;
1949 BIO_printf(sbio, "<stream:stream "
1950 "xmlns:stream='http://etherx.jabber.org/streams' "
898ea7b8
KE		 1951 "xmlns='jabber:%s' to='%s' version='1.0'>",
1952 starttls_proto == PROTO_XMPP ? "client" : "server",
d8c25de5 1953 xmpphost ? xmpphost : host);
0f113f3e 1954 seen = BIO_read(sbio, mbuf, BUFSIZZ);
7e1b7485
RS		 1955 mbuf[seen] = 0;
1956 while (!strstr
1957 (mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")
1958 && !strstr(mbuf,
1959 "<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\""))
1960 {
1961 seen = BIO_read(sbio, mbuf, BUFSIZZ);
0f113f3e 1962
7e1b7485
RS		 1963 if (seen <= 0)
1964 goto shut;
0f113f3e 1965
7e1b7485
RS		 1966 mbuf[seen] = 0;
1967 }
1968 BIO_printf(sbio,
1969 "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
1970 seen = BIO_read(sbio, sbuf, BUFSIZZ);
1971 sbuf[seen] = 0;
1972 if (!strstr(sbuf, "<proceed"))
1973 goto shut;
1974 mbuf[0] = 0;
0f113f3e 1975 }
7e1b7485 1976 break;
d8c25de5
RS		 1977 case PROTO_TELNET:
1978 {
1979 static const unsigned char tls_do[] = {
1980 /* IAC DO START_TLS */
1981 255, 253, 46
1982 };
1983 static const unsigned char tls_will[] = {
1984 /* IAC WILL START_TLS */
1985 255, 251, 46
1986 };
1987 static const unsigned char tls_follows[] = {
1988 /* IAC SB START_TLS FOLLOWS IAC SE */
1989 255, 250, 46, 1, 255, 240
1990 };
1991 int bytes;
1992
1993 /* Telnet server should demand we issue START_TLS */
1994 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
1995 if (bytes != 3 || memcmp(mbuf, tls_do, 3) != 0)
1996 goto shut;
1997 /* Agree to issue START_TLS and send the FOLLOWS sub-command */
1998 BIO_write(sbio, tls_will, 3);
1999 BIO_write(sbio, tls_follows, 6);
2000 (void)BIO_flush(sbio);
2001 /* Telnet server also sent the FOLLOWS sub-command */
2002 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
2003 if (bytes != 6 || memcmp(mbuf, tls_follows, 6) != 0)
2004 goto shut;
2005 }
552bf8ec
MT		 2006 break;
2007 case PROTO_CONNECT:
2008 {
2009 int foundit = 0;
2010 BIO *fbio = BIO_new(BIO_f_buffer());
2011
2012 BIO_push(fbio, sbio);
8230f6c7 2013 BIO_printf(fbio, "CONNECT %s HTTP/1.0\r\n\r\n", connectstr);
552bf8ec
MT		 2014 (void)BIO_flush(fbio);
2015 /* wait for multi-line response to end CONNECT response */
2016 do {
2017 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2018 if (strstr(mbuf, "200") != NULL
2019 && strstr(mbuf, "established") != NULL)
2020 foundit++;
2021 } while (mbuf_len > 3 && foundit == 0);
2022 (void)BIO_flush(fbio);
2023 BIO_pop(fbio);
2024 BIO_free(fbio);
2025 if (!foundit) {
2026 BIO_printf(bio_err, "%s: HTTP CONNECT failed\n", prog);
2027 goto shut;
2028 }
2029 }
2030 break;
cfb4f1ef
NPB		 2031 case PROTO_IRC:
2032 {
2033 int numeric;
2034 BIO *fbio = BIO_new(BIO_f_buffer());
2035
2036 BIO_push(fbio, sbio);
2037 BIO_printf(fbio, "STARTTLS\r\n");
2038 (void)BIO_flush(fbio);
2039 width = SSL_get_fd(con) + 1;
2040
2041 do {
2042 numeric = 0;
2043
2044 FD_ZERO(&readfds);
2045 openssl_fdset(SSL_get_fd(con), &readfds);
2046 timeout.tv_sec = S_CLIENT_IRC_READ_TIMEOUT;
2047 timeout.tv_usec = 0;
2048 /*
2049 * If the IRCd doesn't respond within
2050 * S_CLIENT_IRC_READ_TIMEOUT seconds, assume
2051 * it doesn't support STARTTLS. Many IRCds
2052 * will not give _any_ sort of response to a
2053 * STARTTLS command when it's not supported.
2054 */
2055 if (!BIO_get_buffer_num_lines(fbio)
2056 && !BIO_pending(fbio)
2057 && !BIO_pending(sbio)
2058 && select(width, (void *)&readfds, NULL, NULL,
2059 &timeout) < 1) {
2060 BIO_printf(bio_err,
2061 "Timeout waiting for response (%d seconds).\n",
2062 S_CLIENT_IRC_READ_TIMEOUT);
2063 break;
2064 }
2065
2066 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2067 if (mbuf_len < 1 || sscanf(mbuf, "%*s %d", &numeric) != 1)
2068 break;
2069 /* :example.net 451 STARTTLS :You have not registered */
2070 /* :example.net 421 STARTTLS :Unknown command */
2071 if ((numeric == 451 || numeric == 421)
2072 && strstr(mbuf, "STARTTLS") != NULL) {
2073 BIO_printf(bio_err, "STARTTLS not supported: %s", mbuf);
2074 break;
2075 }
2076 if (numeric == 691) {
2077 BIO_printf(bio_err, "STARTTLS negotiation failed: ");
2078 ERR_print_errors(bio_err);
2079 break;
2080 }
2081 } while (numeric != 670);
2082
2083 (void)BIO_flush(fbio);
2084 BIO_pop(fbio);
2085 BIO_free(fbio);
2086 if (numeric != 670) {
2087 BIO_printf(bio_err, "Server does not support STARTTLS.\n");
2088 ret = 1;
2089 goto shut;
2090 }
2091 }
0f113f3e
MC		 2092 }
2093
2094 for (;;) {
2095 FD_ZERO(&readfds);
2096 FD_ZERO(&writefds);
2097
2098 if ((SSL_version(con) == DTLS1_VERSION) &&
2099 DTLSv1_get_timeout(con, &timeout))
2100 timeoutp = &timeout;
2101 else
2102 timeoutp = NULL;
2103
2104 if (SSL_in_init(con) && !SSL_total_renegotiations(con)) {
2105 in_init = 1;
2106 tty_on = 0;
2107 } else {
2108 tty_on = 1;
2109 if (in_init) {
2110 in_init = 0;
e481f9b9 2111
7e1b7485
RS		 2112 if (servername != NULL && !SSL_session_reused(con)) {
2113 BIO_printf(bio_c_out,
2114 "Server did %sacknowledge servername extension.\n",
2115 tlsextcbp.ack ? "" : "not ");
2116 }
e481f9b9 2117
0f113f3e
MC		 2118 if (sess_out) {
2119 BIO *stmp = BIO_new_file(sess_out, "w");
2120 if (stmp) {
2121 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));
2122 BIO_free(stmp);
2123 } else
2124 BIO_printf(bio_err, "Error writing session file %s\n",
2125 sess_out);
2126 }
2127 if (c_brief) {
2128 BIO_puts(bio_err, "CONNECTION ESTABLISHED\n");
ecf3a1fb 2129 print_ssl_summary(con);
0f113f3e
MC		 2130 }
2131
0d4d5ab8 2132 print_stuff(bio_c_out, con, full_log);
0f113f3e
MC		 2133 if (full_log > 0)
2134 full_log--;
2135
2136 if (starttls_proto) {
7e1b7485 2137 BIO_write(bio_err, mbuf, mbuf_len);
0f113f3e 2138 /* We don't need to know any more */
7e1b7485
RS		 2139 if (!reconnect)
2140 starttls_proto = PROTO_OFF;
0f113f3e
MC		 2141 }
2142
2143 if (reconnect) {
2144 reconnect--;
2145 BIO_printf(bio_c_out,
2146 "drop connection and then reconnect\n");
ec447924 2147 do_ssl_shutdown(con);
0f113f3e 2148 SSL_set_connect_state(con);
8731a4fc 2149 BIO_closesocket(SSL_get_fd(con));
0f113f3e
MC		 2150 goto re_start;
2151 }
2152 }
2153 }
2154
fd068d50 2155 ssl_pending = read_ssl && SSL_has_pending(con);
0f113f3e
MC		 2156
2157 if (!ssl_pending) {
1fbab1dc 2158#if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
0f113f3e 2159 if (tty_on) {
a3ef2c16
JD		 2160 /*
2161 * Note that select() returns when read _would not block_,
2162 * and EOF satisfies that. To avoid a CPU-hogging loop,
2163 * set the flag so we exit.
2164 */
0d3b6583
RL		 2165#if defined(OPENSSL_SYS_VMS)
2166 if (read_tty && !at_eof)
2167 openssl_fdset(stdin_sock, &readfds);
2168#else
a3ef2c16 2169 if (read_tty && !at_eof)
0f113f3e
MC		 2170 openssl_fdset(fileno(stdin), &readfds);
2171 if (write_tty)
2172 openssl_fdset(fileno(stdout), &writefds);
0d3b6583 2173#endif
0f113f3e
MC		 2174 }
2175 if (read_ssl)
2176 openssl_fdset(SSL_get_fd(con), &readfds);
2177 if (write_ssl)
2178 openssl_fdset(SSL_get_fd(con), &writefds);
06f4536a 2179#else
0f113f3e
MC		 2180 if (!tty_on || !write_tty) {
2181 if (read_ssl)
2182 openssl_fdset(SSL_get_fd(con), &readfds);
2183 if (write_ssl)
2184 openssl_fdset(SSL_get_fd(con), &writefds);
2185 }
2186#endif
0f113f3e
MC		 2187
2188 /*
2189 * Note: under VMS with SOCKETSHR the second parameter is
2190 * currently of type (int *) whereas under other systems it is
2191 * (void *) if you don't have a cast it will choke the compiler:
2192 * if you do have a cast then you can either go for (int *) or
2193 * (void *).
2194 */
3d7c4a5a 2195#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
0f113f3e
MC		 2196 /*
2197 * Under Windows/DOS we make the assumption that we can always
2198 * write to the tty: therefore if we need to write to the tty we
2199 * just fall through. Otherwise we timeout the select every
2200 * second and see if there are any keypresses. Note: this is a
2201 * hack, in a proper Windows application we wouldn't do this.
2202 */
2203 i = 0;
2204 if (!write_tty) {
2205 if (read_tty) {
2206 tv.tv_sec = 1;
2207 tv.tv_usec = 0;
2208 i = select(width, (void *)&readfds, (void *)&writefds,
2209 NULL, &tv);
75dd6c1a 2210 if (!i && (!has_stdin_waiting() || !read_tty))
0f113f3e 2211 continue;
0f113f3e
MC		 2212 } else
2213 i = select(width, (void *)&readfds, (void *)&writefds,
2214 NULL, timeoutp);
2215 }
06f4536a 2216#else
0f113f3e
MC		 2217 i = select(width, (void *)&readfds, (void *)&writefds,
2218 NULL, timeoutp);
2219#endif
2220 if (i < 0) {
2221 BIO_printf(bio_err, "bad select %d\n",
2222 get_last_socket_error());
2223 goto shut;
2224 /* goto end; */
2225 }
2226 }
2227
2228 if ((SSL_version(con) == DTLS1_VERSION)
2229 && DTLSv1_handle_timeout(con) > 0) {
2230 BIO_printf(bio_err, "TIMEOUT occurred\n");
2231 }
2232
2233 if (!ssl_pending && FD_ISSET(SSL_get_fd(con), &writefds)) {
2234 k = SSL_write(con, &(cbuf[cbuf_off]), (unsigned int)cbuf_len);
2235 switch (SSL_get_error(con, k)) {
2236 case SSL_ERROR_NONE:
2237 cbuf_off += k;
2238 cbuf_len -= k;
2239 if (k <= 0)
2240 goto end;
2241 /* we have done a write(con,NULL,0); */
2242 if (cbuf_len <= 0) {
2243 read_tty = 1;
2244 write_ssl = 0;
2245 } else { /* if (cbuf_len > 0) */
2246
2247 read_tty = 0;
2248 write_ssl = 1;
2249 }
2250 break;
2251 case SSL_ERROR_WANT_WRITE:
2252 BIO_printf(bio_c_out, "write W BLOCK\n");
2253 write_ssl = 1;
2254 read_tty = 0;
2255 break;
7e25dd6d
MC		 2256 case SSL_ERROR_WANT_ASYNC:
2257 BIO_printf(bio_c_out, "write A BLOCK\n");
e1b9840e 2258 wait_for_async(con);
7e25dd6d
MC		 2259 write_ssl = 1;
2260 read_tty = 0;
2261 break;
0f113f3e
MC		 2262 case SSL_ERROR_WANT_READ:
2263 BIO_printf(bio_c_out, "write R BLOCK\n");
2264 write_tty = 0;
2265 read_ssl = 1;
2266 write_ssl = 0;
2267 break;
2268 case SSL_ERROR_WANT_X509_LOOKUP:
2269 BIO_printf(bio_c_out, "write X BLOCK\n");
2270 break;
2271 case SSL_ERROR_ZERO_RETURN:
2272 if (cbuf_len != 0) {
2273 BIO_printf(bio_c_out, "shutdown\n");
2274 ret = 0;
2275 goto shut;
2276 } else {
2277 read_tty = 1;
2278 write_ssl = 0;
2279 break;
2280 }
2281
2282 case SSL_ERROR_SYSCALL:
2283 if ((k != 0) || (cbuf_len != 0)) {
2284 BIO_printf(bio_err, "write:errno=%d\n",
2285 get_last_socket_error());
2286 goto shut;
2287 } else {
2288 read_tty = 1;
2289 write_ssl = 0;
2290 }
2291 break;
fc7f190c
MC		 2292 case SSL_ERROR_WANT_ASYNC_JOB:
2293 /* This shouldn't ever happen in s_client - treat as an error */
0f113f3e
MC		 2294 case SSL_ERROR_SSL:
2295 ERR_print_errors(bio_err);
2296 goto shut;
2297 }
2298 }
c7bdb6a3 2299#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_VMS)
0f113f3e
MC		 2300 /* Assume Windows/DOS/BeOS can always write */
2301 else if (!ssl_pending && write_tty)
06f4536a 2302#else
0f113f3e 2303 else if (!ssl_pending && FD_ISSET(fileno(stdout), &writefds))
06f4536a 2304#endif
0f113f3e 2305 {
a53955d8 2306#ifdef CHARSET_EBCDIC
0f113f3e
MC		 2307 ascii2ebcdic(&(sbuf[sbuf_off]), &(sbuf[sbuf_off]), sbuf_len);
2308#endif
2309 i = raw_write_stdout(&(sbuf[sbuf_off]), sbuf_len);
2310
2311 if (i <= 0) {
2312 BIO_printf(bio_c_out, "DONE\n");
2313 ret = 0;
2314 goto shut;
2315 /* goto end; */
2316 }
2317
2318 sbuf_len -= i;;
2319 sbuf_off += i;
2320 if (sbuf_len <= 0) {
2321 read_ssl = 1;
2322 write_tty = 0;
2323 }
2324 } else if (ssl_pending || FD_ISSET(SSL_get_fd(con), &readfds)) {
58964a49 2325#ifdef RENEG
0f113f3e
MC		 2326 {
2327 static int iiii;
2328 if (++iiii == 52) {
2329 SSL_renegotiate(con);
2330 iiii = 0;
2331 }
2332 }
58964a49 2333#endif
0f113f3e 2334 k = SSL_read(con, sbuf, 1024 /* BUFSIZZ */ );
0f113f3e
MC		 2335
2336 switch (SSL_get_error(con, k)) {
2337 case SSL_ERROR_NONE:
2338 if (k <= 0)
2339 goto end;
2340 sbuf_off = 0;
2341 sbuf_len = k;
2342
2343 read_ssl = 0;
2344 write_tty = 1;
2345 break;
7e25dd6d
MC		 2346 case SSL_ERROR_WANT_ASYNC:
2347 BIO_printf(bio_c_out, "read A BLOCK\n");
e1b9840e 2348 wait_for_async(con);
7e25dd6d
MC		 2349 write_tty = 0;
2350 read_ssl = 1;
2351 if ((read_tty == 0) && (write_ssl == 0))
2352 write_ssl = 1;
2353 break;
0f113f3e
MC		 2354 case SSL_ERROR_WANT_WRITE:
2355 BIO_printf(bio_c_out, "read W BLOCK\n");
2356 write_ssl = 1;
2357 read_tty = 0;
2358 break;
2359 case SSL_ERROR_WANT_READ:
2360 BIO_printf(bio_c_out, "read R BLOCK\n");
2361 write_tty = 0;
2362 read_ssl = 1;
2363 if ((read_tty == 0) && (write_ssl == 0))
2364 write_ssl = 1;
2365 break;
2366 case SSL_ERROR_WANT_X509_LOOKUP:
2367 BIO_printf(bio_c_out, "read X BLOCK\n");
2368 break;
2369 case SSL_ERROR_SYSCALL:
2370 ret = get_last_socket_error();
2371 if (c_brief)
2372 BIO_puts(bio_err, "CONNECTION CLOSED BY SERVER\n");
2373 else
2374 BIO_printf(bio_err, "read:errno=%d\n", ret);
2375 goto shut;
2376 case SSL_ERROR_ZERO_RETURN:
2377 BIO_printf(bio_c_out, "closed\n");
2378 ret = 0;
2379 goto shut;
fc7f190c
MC		 2380 case SSL_ERROR_WANT_ASYNC_JOB:
2381 /* This shouldn't ever happen in s_client. Treat as an error */
0f113f3e
MC		 2382 case SSL_ERROR_SSL:
2383 ERR_print_errors(bio_err);
2384 goto shut;
2385 /* break; */
2386 }
2387 }
75dd6c1a
MC		 2388/* OPENSSL_SYS_MSDOS includes OPENSSL_SYS_WINDOWS */
2389#if defined(OPENSSL_SYS_MSDOS)
2390 else if (has_stdin_waiting())
c7bdb6a3
RL		 2391#elif defined(OPENSSL_SYS_VMS)
2392 else if (FD_ISSET(stdin_sock, &readfds))
06f4536a 2393#else
c7bdb6a3 2394 else if (FD_ISSET(fileno(stdin), &readfds))
0f113f3e
MC		 2395#endif
2396 {
2397 if (crlf) {
2398 int j, lf_num;
2399
c7bdb6a3
RL		 2400#if defined(OPENSSL_SYS_VMS)
2401 i = recv(stdin_sock, cbuf, BUFSIZZ / 2, 0);
2402#else
0f113f3e 2403 i = raw_read_stdin(cbuf, BUFSIZZ / 2);
c7bdb6a3 2404#endif
0d3b6583 2405
0f113f3e
MC		 2406 lf_num = 0;
2407 /* both loops are skipped when i <= 0 */
2408 for (j = 0; j < i; j++)
2409 if (cbuf[j] == '\n')
2410 lf_num++;
2411 for (j = i - 1; j >= 0; j--) {
2412 cbuf[j + lf_num] = cbuf[j];
2413 if (cbuf[j] == '\n') {
2414 lf_num--;
2415 i++;
2416 cbuf[j + lf_num] = '\r';
2417 }
2418 }
2419 assert(lf_num == 0);
c7bdb6a3
RL		 2420 } else {
2421#if defined(OPENSSL_SYS_VMS)
2422 i = recv(stdin_sock, cbuf, BUFSIZZ, 0);
2423#else
2424 i = raw_read_stdin(cbuf, BUFSIZZ);
2425#endif
2426 }
d485640b 2427#if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
a3ef2c16
JD		 2428 if (i == 0)
2429 at_eof = 1;
d485640b 2430#endif
a3ef2c16 2431
6ba8a5b7 2432 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q' && cmdletters))) {
0f113f3e
MC		 2433 BIO_printf(bio_err, "DONE\n");
2434 ret = 0;
2435 goto shut;
2436 }
2437
6ba8a5b7 2438 if ((!c_ign_eof) && (cbuf[0] == 'R' && cmdletters)) {
0f113f3e
MC		 2439 BIO_printf(bio_err, "RENEGOTIATING\n");
2440 SSL_renegotiate(con);
2441 cbuf_len = 0;
2442 }
4817504d 2443#ifndef OPENSSL_NO_HEARTBEATS
6ba8a5b7 2444 else if ((!c_ign_eof) && (cbuf[0] == 'B' && cmdletters)) {
0f113f3e
MC		 2445 BIO_printf(bio_err, "HEARTBEATING\n");
2446 SSL_heartbeat(con);
2447 cbuf_len = 0;
2448 }
2449#endif
2450 else {
2451 cbuf_len = i;
2452 cbuf_off = 0;
a53955d8 2453#ifdef CHARSET_EBCDIC
0f113f3e
MC		 2454 ebcdic2ascii(cbuf, cbuf, i);
2455#endif
2456 }
2457
2458 write_ssl = 1;
2459 read_tty = 0;
2460 }
2461 }
2462
2463 ret = 0;
2464 shut:
2465 if (in_init)
0d4d5ab8 2466 print_stuff(bio_c_out, con, full_log);
ec447924 2467 do_ssl_shutdown(con);
cb2e10f2
MC		 2468#if defined(OPENSSL_SYS_WINDOWS)
2469 /*
2470 * Give the socket time to send its last data before we close it.
2471 * No amount of setting SO_LINGER etc on the socket seems to persuade
2472 * Windows to send the data before closing the socket...but sleeping
2473 * for a short time seems to do it (units in ms)
2474 * TODO: Find a better way to do this
2475 */
2476 Sleep(50);
2477#endif
8731a4fc 2478 BIO_closesocket(SSL_get_fd(con));
0f113f3e
MC		 2479 end:
2480 if (con != NULL) {
2481 if (prexit != 0)
0d4d5ab8 2482 print_stuff(bio_c_out, con, 1);
0f113f3e
MC		 2483 SSL_free(con);
2484 }
e481f9b9 2485#if !defined(OPENSSL_NO_NEXTPROTONEG)
b548a1f1 2486 OPENSSL_free(next_proto.data);
0f113f3e 2487#endif
62adbcee 2488 SSL_CTX_free(ctx);
222561fe 2489 X509_free(cert);
4b45c6e5 2490 sk_X509_CRL_pop_free(crls, X509_CRL_free);
c5ba2d99 2491 EVP_PKEY_free(key);
222561fe 2492 sk_X509_pop_free(chain, X509_free);
b548a1f1 2493 OPENSSL_free(pass);
d40a1f72
DSH		 2494#ifndef OPENSSL_NO_SRP
2495 OPENSSL_free(srp_arg.srppassin);
2496#endif
ab69ac00
RL		 2497 OPENSSL_free(host);
2498 OPENSSL_free(port);
222561fe 2499 X509_VERIFY_PARAM_free(vpm);
0f113f3e 2500 ssl_excert_free(exc);
7e1b7485 2501 sk_OPENSSL_STRING_free(ssl_args);
cddd424a 2502 sk_OPENSSL_STRING_free(dane_tlsa_rrset);
62adbcee 2503 SSL_CONF_CTX_free(cctx);
4b45c6e5
RS		 2504 OPENSSL_clear_free(cbuf, BUFSIZZ);
2505 OPENSSL_clear_free(sbuf, BUFSIZZ);
2506 OPENSSL_clear_free(mbuf, BUFSIZZ);
ca3a82c3
RS		 2507 BIO_free(bio_c_out);
2508 bio_c_out = NULL;
2509 BIO_free(bio_c_msg);
2510 bio_c_msg = NULL;
c7bdb6a3 2511#if defined(OPENSSL_SYS_VMS)
0d3b6583
RL		 2512 TerminalSocket(TERM_SOCK_DELETE, &stdin_sock);
2513#endif
7e1b7485 2514 return (ret);
0f113f3e 2515}
d02b48c6 2516
0d4d5ab8 2517static void print_stuff(BIO *bio, SSL *s, int full)
0f113f3e
MC		 2518{
2519 X509 *peer = NULL;
2520 char buf[BUFSIZ];
2521 STACK_OF(X509) *sk;
2522 STACK_OF(X509_NAME) *sk2;
2523 const SSL_CIPHER *c;
2524 X509_NAME *xn;
2525 int i;
09b6c2ef 2526#ifndef OPENSSL_NO_COMP
0f113f3e
MC		 2527 const COMP_METHOD *comp, *expansion;
2528#endif
2529 unsigned char *exportedkeymat;
dd696a55 2530#ifndef OPENSSL_NO_CT
0d4d5ab8 2531 const SSL_CTX *ctx = SSL_get_SSL_CTX(s);
b5369582 2532#endif
0f113f3e
MC		 2533
2534 if (full) {
2535 int got_a_chain = 0;
2536
2537 sk = SSL_get_peer_cert_chain(s);
2538 if (sk != NULL) {
7e1b7485 2539 got_a_chain = 1;
0f113f3e
MC		 2540
2541 BIO_printf(bio, "---\nCertificate chain\n");
2542 for (i = 0; i < sk_X509_num(sk); i++) {
2543 X509_NAME_oneline(X509_get_subject_name(sk_X509_value(sk, i)),
2544 buf, sizeof buf);
2545 BIO_printf(bio, "%2d s:%s\n", i, buf);
2546 X509_NAME_oneline(X509_get_issuer_name(sk_X509_value(sk, i)),
2547 buf, sizeof buf);
2548 BIO_printf(bio, " i:%s\n", buf);
2549 if (c_showcerts)
2550 PEM_write_bio_X509(bio, sk_X509_value(sk, i));
2551 }
2552 }
2553
2554 BIO_printf(bio, "---\n");
2555 peer = SSL_get_peer_certificate(s);
2556 if (peer != NULL) {
2557 BIO_printf(bio, "Server certificate\n");
2558
2559 /* Redundant if we showed the whole chain */
2560 if (!(c_showcerts && got_a_chain))
2561 PEM_write_bio_X509(bio, peer);
2562 X509_NAME_oneline(X509_get_subject_name(peer), buf, sizeof buf);
2563 BIO_printf(bio, "subject=%s\n", buf);
2564 X509_NAME_oneline(X509_get_issuer_name(peer), buf, sizeof buf);
2565 BIO_printf(bio, "issuer=%s\n", buf);
2566 } else
2567 BIO_printf(bio, "no peer certificate available\n");
2568
2569 sk2 = SSL_get_client_CA_list(s);
2570 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0)) {
2571 BIO_printf(bio, "---\nAcceptable client certificate CA names\n");
2572 for (i = 0; i < sk_X509_NAME_num(sk2); i++) {
2573 xn = sk_X509_NAME_value(sk2, i);
2574 X509_NAME_oneline(xn, buf, sizeof(buf));
2575 BIO_write(bio, buf, strlen(buf));
2576 BIO_write(bio, "\n", 1);
2577 }
2578 } else {
2579 BIO_printf(bio, "---\nNo client certificate CA names sent\n");
2580 }
2581
2582 ssl_print_sigalgs(bio, s);
2583 ssl_print_tmp_key(bio, s);
2584
dd696a55 2585#ifndef OPENSSL_NO_CT
43341433
VD		 2586 /*
2587 * When the SSL session is anonymous, or resumed via an abbreviated
2588 * handshake, no SCTs are provided as part of the handshake. While in
2589 * a resumed session SCTs may be present in the session's certificate,
2590 * no callbacks are invoked to revalidate these, and in any case that
2591 * set of SCTs may be incomplete. Thus it makes little sense to
2592 * attempt to display SCTs from a resumed session's certificate, and of
2593 * course none are associated with an anonymous peer.
2594 */
2595 if (peer != NULL && !SSL_session_reused(s) && SSL_ct_is_enabled(s)) {
2596 const STACK_OF(SCT) *scts = SSL_get0_peer_scts(s);
2597 int sct_count = scts != NULL ? sk_SCT_num(scts) : 0;
2598
2599 BIO_printf(bio, "---\nSCTs present (%i)\n", sct_count);
2600 if (sct_count > 0) {
2601 const CTLOG_STORE *log_store = SSL_CTX_get0_ctlog_store(ctx);
2602
2603 BIO_printf(bio, "---\n");
2604 for (i = 0; i < sct_count; ++i) {
2605 SCT *sct = sk_SCT_value(scts, i);
2606
2607 BIO_printf(bio, "SCT validation status: %s\n",
2608 SCT_validation_status_string(sct));
2609 SCT_print(sct, bio, 0, log_store);
2610 if (i < sct_count - 1)
2611 BIO_printf(bio, "\n---\n");
2612 }
2613 BIO_printf(bio, "\n");
2614 }
6bea2a72 2615 }
dd696a55
RP		 2616#endif
2617
0f113f3e 2618 BIO_printf(bio,
d6073e27
F		 2619 "---\nSSL handshake has read %" PRIu64
2620 " bytes and written %" PRIu64 " bytes\n",
0f113f3e
MC		 2621 BIO_number_read(SSL_get_rbio(s)),
2622 BIO_number_written(SSL_get_wbio(s)));
2623 }
c0a445a9 2624 print_verify_detail(s, bio);
b577fd0b 2625 BIO_printf(bio, (SSL_session_reused(s) ? "---\nReused, " : "---\nNew, "));
0f113f3e
MC		 2626 c = SSL_get_current_cipher(s);
2627 BIO_printf(bio, "%s, Cipher is %s\n",
2628 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
2629 if (peer != NULL) {
2630 EVP_PKEY *pktmp;
bde136c8 2631
c01ff880 2632 pktmp = X509_get0_pubkey(peer);
0f113f3e
MC		 2633 BIO_printf(bio, "Server public key is %d bit\n",
2634 EVP_PKEY_bits(pktmp));
0f113f3e
MC		 2635 }
2636 BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
2637 SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
09b6c2ef 2638#ifndef OPENSSL_NO_COMP
0f113f3e
MC		 2639 comp = SSL_get_current_compression(s);
2640 expansion = SSL_get_current_expansion(s);
2641 BIO_printf(bio, "Compression: %s\n",
2642 comp ? SSL_COMP_get_name(comp) : "NONE");
2643 BIO_printf(bio, "Expansion: %s\n",
2644 expansion ? SSL_COMP_get_name(expansion) : "NONE");
2645#endif
2646
57559471 2647#ifdef SSL_DEBUG
0f113f3e
MC		 2648 {
2649 /* Print out local port of connection: useful for debugging */
2650 int sock;
642a166c
RL		 2651 union BIO_sock_info_u info;
2652
0f113f3e 2653 sock = SSL_get_fd(s);
642a166c
RL		 2654 if ((info.addr = BIO_ADDR_new()) != NULL
2655 && BIO_sock_info(sock, BIO_SOCK_INFO_ADDRESS, &info)) {
2656 BIO_printf(bio_c_out, "LOCAL PORT is %u\n",
1abd2925 2657 ntohs(BIO_ADDR_rawport(info.addr)));
642a166c
RL		 2658 }
2659 BIO_ADDR_free(info.addr);
0f113f3e 2660 }
a2f9200f
DSH		 2661#endif
2662
e481f9b9 2663#if !defined(OPENSSL_NO_NEXTPROTONEG)
0f113f3e
MC		 2664 if (next_proto.status != -1) {
2665 const unsigned char *proto;
2666 unsigned int proto_len;
2667 SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
2668 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
2669 BIO_write(bio, proto, proto_len);
2670 BIO_write(bio, "\n", 1);
2671 }
e481f9b9 2672#endif
0f113f3e
MC		 2673 {
2674 const unsigned char *proto;
2675 unsigned int proto_len;
2676 SSL_get0_alpn_selected(s, &proto, &proto_len);
2677 if (proto_len > 0) {
2678 BIO_printf(bio, "ALPN protocol: ");
2679 BIO_write(bio, proto, proto_len);
2680 BIO_write(bio, "\n", 1);
2681 } else
2682 BIO_printf(bio, "No ALPN negotiated\n");
2683 }
71fa4513 2684
e783bae2 2685#ifndef OPENSSL_NO_SRTP
0f113f3e
MC		 2686 {
2687 SRTP_PROTECTION_PROFILE *srtp_profile =
2688 SSL_get_selected_srtp_profile(s);
2689
2690 if (srtp_profile)
2691 BIO_printf(bio, "SRTP Extension negotiated, profile=%s\n",
2692 srtp_profile->name);
2693 }
2694#endif
2695
2696 SSL_SESSION_print(bio, SSL_get_session(s));
d6073e27 2697 if (SSL_get_session(s) != NULL && keymatexportlabel != NULL) {
0f113f3e
MC		 2698 BIO_printf(bio, "Keying material exporter:\n");
2699 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel);
2700 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen);
68dc6824
RS		 2701 exportedkeymat = app_malloc(keymatexportlen, "export key");
2702 if (!SSL_export_keying_material(s, exportedkeymat,
2703 keymatexportlen,
2704 keymatexportlabel,
2705 strlen(keymatexportlabel),
2706 NULL, 0, 0)) {
2707 BIO_printf(bio, " Error\n");
2708 } else {
2709 BIO_printf(bio, " Keying material: ");
2710 for (i = 0; i < keymatexportlen; i++)
2711 BIO_printf(bio, "%02X", exportedkeymat[i]);
2712 BIO_printf(bio, "\n");
0f113f3e 2713 }
68dc6824 2714 OPENSSL_free(exportedkeymat);
0f113f3e
MC		 2715 }
2716 BIO_printf(bio, "---\n");
222561fe 2717 X509_free(peer);
0f113f3e
MC		 2718 /* flush, or debugging output gets mixed with http response */
2719 (void)BIO_flush(bio);
2720}
d02b48c6 2721
3e41ac35 2722# ifndef OPENSSL_NO_OCSP
67c8e7f4 2723static int ocsp_resp_cb(SSL *s, void *arg)
0f113f3e
MC		 2724{
2725 const unsigned char *p;
2726 int len;
2727 OCSP_RESPONSE *rsp;
2728 len = SSL_get_tlsext_status_ocsp_resp(s, &p);
2729 BIO_puts(arg, "OCSP response: ");
2730 if (!p) {
2731 BIO_puts(arg, "no response sent\n");
2732 return 1;
2733 }
2734 rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
2735 if (!rsp) {
2736 BIO_puts(arg, "response parse error\n");
2737 BIO_dump_indent(arg, (char *)p, len, 4);
2738 return 0;
2739 }
2740 BIO_puts(arg, "\n======================================\n");
2741 OCSP_RESPONSE_print(arg, rsp, 0);
2742 BIO_puts(arg, "======================================\n");
2743 OCSP_RESPONSE_free(rsp);
2744 return 1;
2745}
3e41ac35 2746# endif
f9e55034 2747
d6073e27 2748#endif /* OPENSSL_NO_SOCK */
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