1 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
4 * This package is an SSL implementation written
5 * by Eric Young (eay@cryptsoft.com).
6 * The implementation was written so as to conform with Netscapes SSL.
8 * This library is free for commercial and non-commercial use as long as
9 * the following conditions are aheared to. The following conditions
10 * apply to all code found in this distribution, be it the RC4, RSA,
11 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
12 * included with this distribution is covered by the same copyright terms
13 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 * Copyright remains Eric Young's, and as such any Copyright notices in
16 * the code are not to be removed.
17 * If this package is used in a product, Eric Young should be given attribution
18 * as the author of the parts of the library used.
19 * This can be in the form of a textual message at program startup or
20 * in documentation (online or textual) provided with the package.
22 * Redistribution and use in source and binary forms, with or without
23 * modification, are permitted provided that the following conditions
25 * 1. Redistributions of source code must retain the copyright
26 * notice, this list of conditions and the following disclaimer.
27 * 2. Redistributions in binary form must reproduce the above copyright
28 * notice, this list of conditions and the following disclaimer in the
29 * documentation and/or other materials provided with the distribution.
30 * 3. All advertising materials mentioning features or use of this software
31 * must display the following acknowledgement:
32 * "This product includes cryptographic software written by
33 * Eric Young (eay@cryptsoft.com)"
34 * The word 'cryptographic' can be left out if the rouines from the library
35 * being used are not cryptographic related :-).
36 * 4. If you include any Windows specific code (or a derivative thereof) from
37 * the apps directory (application code) you must include an acknowledgement:
38 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
41 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
43 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
44 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
45 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
46 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
48 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
49 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
52 * The licence and distribution terms for any publically available version or
53 * derivative of this code cannot be changed. i.e. this code cannot simply be
54 * copied and put under another distribution licence
55 * [including the GNU Public Licence.]
57 /* ====================================================================
58 * Copyright (c) 1998-2006 The OpenSSL Project. All rights reserved.
60 * Redistribution and use in source and binary forms, with or without
61 * modification, are permitted provided that the following conditions
64 * 1. Redistributions of source code must retain the above copyright
65 * notice, this list of conditions and the following disclaimer.
67 * 2. Redistributions in binary form must reproduce the above copyright
68 * notice, this list of conditions and the following disclaimer in
69 * the documentation and/or other materials provided with the
72 * 3. All advertising materials mentioning features or use of this
73 * software must display the following acknowledgment:
74 * "This product includes software developed by the OpenSSL Project
75 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
77 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
78 * endorse or promote products derived from this software without
79 * prior written permission. For written permission, please contact
80 * openssl-core@openssl.org.
82 * 5. Products derived from this software may not be called "OpenSSL"
83 * nor may "OpenSSL" appear in their names without prior written
84 * permission of the OpenSSL Project.
86 * 6. Redistributions of any form whatsoever must retain the following
88 * "This product includes software developed by the OpenSSL Project
89 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
91 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
92 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
93 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
94 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
95 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
96 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
97 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
98 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
99 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
100 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
101 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
102 * OF THE POSSIBILITY OF SUCH DAMAGE.
103 * ====================================================================
105 * This product includes cryptographic software written by Eric Young
106 * (eay@cryptsoft.com). This product includes software written by Tim
107 * Hudson (tjh@cryptsoft.com).
110 /* ====================================================================
111 * Copyright 2005 Nokia. All rights reserved.
113 * The portions of the attached software ("Contribution") is developed by
114 * Nokia Corporation and is licensed pursuant to the OpenSSL open source
117 * The Contribution, originally written by Mika Kousa and Pasi Eronen of
118 * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
119 * support (see RFC 4279) to OpenSSL.
121 * No patent licenses or other rights except those expressly stated in
122 * the OpenSSL open source license shall be deemed granted or received
123 * expressly, by implication, estoppel, or otherwise.
125 * No assurances are provided by Nokia that the Contribution does not
126 * infringe the patent or other intellectual property rights of any third
127 * party or that the license provides you with all the necessary rights
128 * to make use of the Contribution.
130 * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
131 * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
132 * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
133 * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
142 #include <openssl/e_os2.h>
145 * With IPv6, it looks like Digital has mixed up the proper order of
146 * recursive header file inclusion, resulting in the compiler complaining
147 * that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which is
148 * needed to have fileno() declared correctly... So let's define u_int
150 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
152 typedef unsigned int u_int;
157 #include <openssl/x509.h>
158 #include <openssl/ssl.h>
159 #include <openssl/err.h>
160 #include <openssl/pem.h>
161 #include <openssl/rand.h>
162 #include <openssl/ocsp.h>
163 #include <openssl/bn.h>
164 #include <openssl/async.h>
165 #ifndef OPENSSL_NO_SRP
166 # include <openssl/srp.h>
169 #include "timeouts.h"
171 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
172 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
176 #if defined(__has_feature)
177 # if __has_feature(memory_sanitizer)
178 # include <sanitizer/msan_interface.h>
183 #define BUFSIZZ 1024*8
184 #define S_CLIENT_IRC_READ_TIMEOUT 8
186 extern int verify_depth;
187 extern int verify_error;
188 extern int verify_return_error;
189 extern int verify_quiet;
192 static int async = 0;
193 static int c_nbio = 0;
194 static int c_tlsextdebug = 0;
195 static int c_status_req = 0;
196 static int c_debug = 0;
197 static int c_msg = 0;
198 static int c_showcerts = 0;
199 static char *keymatexportlabel = NULL;
200 static int keymatexportlen = 20;
201 static BIO *bio_c_out = NULL;
202 static BIO *bio_c_msg = NULL;
203 static int c_quiet = 0;
204 static int c_ign_eof = 0;
205 static int c_brief = 0;
207 static void print_stuff(BIO *berr, SSL *con, int full);
208 static int ocsp_resp_cb(SSL *s, void *arg);
210 static int saved_errno;
212 static void save_errno(void)
218 static int restore_errno(void)
225 static void do_ssl_shutdown(SSL *ssl)
230 /* We only do unidirectional shutdown */
231 ret = SSL_shutdown(ssl);
233 switch (SSL_get_error(ssl, ret)) {
234 case SSL_ERROR_WANT_READ:
235 case SSL_ERROR_WANT_WRITE:
236 case SSL_ERROR_WANT_ASYNC:
237 /* We just do busy waiting. Nothing clever */
246 #ifndef OPENSSL_NO_PSK
247 /* Default PSK identity and key */
248 static char *psk_identity = "Client_identity";
250 * char *psk_key=NULL; by default PSK is not used
253 static unsigned int psk_client_cb(SSL *ssl, const char *hint, char *identity,
254 unsigned int max_identity_len,
256 unsigned int max_psk_len)
258 unsigned int psk_len = 0;
263 BIO_printf(bio_c_out, "psk_client_cb\n");
265 /* no ServerKeyExchange message */
267 BIO_printf(bio_c_out,
268 "NULL received PSK identity hint, continuing anyway\n");
270 BIO_printf(bio_c_out, "Received PSK identity hint '%s'\n", hint);
273 * lookup PSK identity and PSK key based on the given identity hint here
275 ret = BIO_snprintf(identity, max_identity_len, "%s", psk_identity);
276 if (ret < 0 || (unsigned int)ret > max_identity_len)
279 BIO_printf(bio_c_out, "created identity '%s' len=%d\n", identity,
281 ret = BN_hex2bn(&bn, psk_key);
283 BIO_printf(bio_err, "Could not convert PSK key '%s' to BIGNUM\n",
289 if ((unsigned int)BN_num_bytes(bn) > max_psk_len) {
291 "psk buffer of callback is too small (%d) for key (%d)\n",
292 max_psk_len, BN_num_bytes(bn));
297 psk_len = BN_bn2bin(bn, psk);
303 BIO_printf(bio_c_out, "created PSK len=%d\n", psk_len);
308 BIO_printf(bio_err, "Error in PSK client callback\n");
313 /* This is a context that we pass to callbacks */
314 typedef struct tlsextctx_st {
319 static int ssl_servername_cb(SSL *s, int *ad, void *arg)
321 tlsextctx *p = (tlsextctx *) arg;
322 const char *hn = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
323 if (SSL_get_servername_type(s) != -1)
324 p->ack = !SSL_session_reused(s) && hn != NULL;
326 BIO_printf(bio_err, "Can't use SSL_get_servername\n");
328 return SSL_TLSEXT_ERR_OK;
331 #ifndef OPENSSL_NO_SRP
333 /* This is a context that we pass to all callbacks */
334 typedef struct srp_arg_st {
337 int msg; /* copy from c_msg */
338 int debug; /* copy from c_debug */
339 int amp; /* allow more groups */
340 int strength /* minimal size for N */ ;
343 # define SRP_NUMBER_ITERATIONS_FOR_PRIME 64
345 static int srp_Verify_N_and_g(const BIGNUM *N, const BIGNUM *g)
347 BN_CTX *bn_ctx = BN_CTX_new();
348 BIGNUM *p = BN_new();
349 BIGNUM *r = BN_new();
351 g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) &&
352 BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
353 p != NULL && BN_rshift1(p, N) &&
355 BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
357 /* verify g^((N-1)/2) == -1 (mod N) */
358 BN_mod_exp(r, g, p, N, bn_ctx) &&
359 BN_add_word(r, 1) && BN_cmp(r, N) == 0;
368 * This callback is used here for two purposes:
369 * - extended debugging
370 * - making some primality tests for unknown groups
371 * The callback is only called for a non default group.
373 * An application does not need the call back at all if
374 * only the stanard groups are used. In real life situations,
375 * client and server already share well known groups,
376 * thus there is no need to verify them.
377 * Furthermore, in case that a server actually proposes a group that
378 * is not one of those defined in RFC 5054, it is more appropriate
379 * to add the group to a static list and then compare since
380 * primality tests are rather cpu consuming.
383 static int ssl_srp_verify_param_cb(SSL *s, void *arg)
385 SRP_ARG *srp_arg = (SRP_ARG *)arg;
386 BIGNUM *N = NULL, *g = NULL;
388 if (((N = SSL_get_srp_N(s)) == NULL) || ((g = SSL_get_srp_g(s)) == NULL))
390 if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1) {
391 BIO_printf(bio_err, "SRP parameters:\n");
392 BIO_printf(bio_err, "\tN=");
393 BN_print(bio_err, N);
394 BIO_printf(bio_err, "\n\tg=");
395 BN_print(bio_err, g);
396 BIO_printf(bio_err, "\n");
399 if (SRP_check_known_gN_param(g, N))
402 if (srp_arg->amp == 1) {
405 "SRP param N and g are not known params, going to check deeper.\n");
408 * The srp_moregroups is a real debugging feature. Implementors
409 * should rather add the value to the known ones. The minimal size
410 * has already been tested.
412 if (BN_num_bits(g) <= BN_BITS && srp_Verify_N_and_g(N, g))
415 BIO_printf(bio_err, "SRP param N and g rejected.\n");
419 # define PWD_STRLEN 1024
421 static char *ssl_give_srp_client_pwd_cb(SSL *s, void *arg)
423 SRP_ARG *srp_arg = (SRP_ARG *)arg;
424 char *pass = app_malloc(PWD_STRLEN + 1, "SRP password buffer");
428 cb_tmp.password = (char *)srp_arg->srppassin;
429 cb_tmp.prompt_info = "SRP user";
430 if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp)) < 0) {
431 BIO_printf(bio_err, "Can't read Password\n");
442 static char *srtp_profiles = NULL;
444 #ifndef OPENSSL_NO_NEXTPROTONEG
445 /* This the context that we pass to next_proto_cb */
446 typedef struct tlsextnextprotoctx_st {
450 } tlsextnextprotoctx;
452 static tlsextnextprotoctx next_proto;
454 static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen,
455 const unsigned char *in, unsigned int inlen,
458 tlsextnextprotoctx *ctx = arg;
461 /* We can assume that |in| is syntactically valid. */
463 BIO_printf(bio_c_out, "Protocols advertised by server: ");
464 for (i = 0; i < inlen;) {
466 BIO_write(bio_c_out, ", ", 2);
467 BIO_write(bio_c_out, &in[i + 1], in[i]);
470 BIO_write(bio_c_out, "\n", 1);
474 SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len);
475 return SSL_TLSEXT_ERR_OK;
477 #endif /* ndef OPENSSL_NO_NEXTPROTONEG */
479 static int serverinfo_cli_parse_cb(SSL *s, unsigned int ext_type,
480 const unsigned char *in, size_t inlen,
484 unsigned char ext_buf[4 + 65536];
486 /* Reconstruct the type/len fields prior to extension data */
487 ext_buf[0] = ext_type >> 8;
488 ext_buf[1] = ext_type & 0xFF;
489 ext_buf[2] = inlen >> 8;
490 ext_buf[3] = inlen & 0xFF;
491 memcpy(ext_buf + 4, in, inlen);
493 BIO_snprintf(pem_name, sizeof(pem_name), "SERVERINFO FOR EXTENSION %d",
495 PEM_write_bio(bio_c_out, pem_name, "", ext_buf, 4 + inlen);
500 * Hex decoder that tolerates optional whitespace. Returns number of bytes
501 * produced, advances inptr to end of input string.
503 static ossl_ssize_t hexdecode(const char **inptr, void *result)
505 unsigned char **out = (unsigned char **)result;
506 const char *in = *inptr;
507 unsigned char *ret = OPENSSL_malloc(strlen(in)/2);
508 unsigned char *cp = ret;
515 for (byte = 0; *in; ++in) {
518 if (isspace(_UC(*in)))
520 c = tolower(_UC(*in));
521 if ('0' <= c && c <= '9') {
523 } else if ('a' <= c && c <= 'f') {
524 byte |= c - 'a' + 10;
529 if ((nibble ^= 1) == 0) {
542 return cp - (*out = ret);
546 * Decode unsigned 0..255, returns 1 on success, <= 0 on failure. Advances
547 * inptr to next field skipping leading whitespace.
549 static ossl_ssize_t checked_uint8(const char **inptr, void *out)
551 uint8_t *result = (uint8_t *)out;
552 const char *in = *inptr;
558 v = strtol(in, &endp, 10);
561 if (((v == LONG_MIN || v == LONG_MAX) && e == ERANGE) ||
562 endp == in || !isspace(_UC(*endp)) ||
563 v != (*result = (uint8_t) v)) {
566 for (in = endp; isspace(_UC(*in)); ++in)
576 ossl_ssize_t (*parser)(const char **, void *);
579 static int tlsa_import_rr(SSL *con, const char *rrdata)
581 /* Not necessary to re-init these values; the "parsers" do that. */
582 static uint8_t usage;
583 static uint8_t selector;
584 static uint8_t mtype;
585 static unsigned char *data;
586 static struct tlsa_field tlsa_fields[] = {
587 { &usage, "usage", checked_uint8 },
588 { &selector, "selector", checked_uint8 },
589 { &mtype, "mtype", checked_uint8 },
590 { &data, "data", hexdecode },
593 struct tlsa_field *f;
595 const char *cp = rrdata;
596 ossl_ssize_t len = 0;
598 for (f = tlsa_fields; f->var; ++f) {
599 /* Returns number of bytes produced, advances cp to next field */
600 if ((len = f->parser(&cp, f->var)) <= 0) {
601 BIO_printf(bio_err, "%s: warning: bad TLSA %s field in: %s\n",
602 prog, f->name, rrdata);
606 /* The data field is last, so len is its length */
607 ret = SSL_dane_tlsa_add(con, usage, selector, mtype, data, len);
611 ERR_print_errors(bio_err);
612 BIO_printf(bio_err, "%s: warning: unusable TLSA rrdata: %s\n",
617 ERR_print_errors(bio_err);
618 BIO_printf(bio_err, "%s: warning: error loading TLSA rrdata: %s\n",
625 static int tlsa_import_rrset(SSL *con, STACK_OF(OPENSSL_STRING) *rrset)
627 int num = sk_OPENSSL_STRING_num(rrset);
631 for (i = 0; i < num; ++i) {
632 char *rrdata = sk_OPENSSL_STRING_value(rrset, i);
633 if (tlsa_import_rr(con, rrdata) > 0)
639 typedef enum OPTION_choice {
640 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
641 OPT_4, OPT_6, OPT_HOST, OPT_PORT, OPT_CONNECT, OPT_UNIX,
642 OPT_XMPPHOST, OPT_VERIFY,
643 OPT_CERT, OPT_CRL, OPT_CRL_DOWNLOAD, OPT_SESS_OUT, OPT_SESS_IN,
644 OPT_CERTFORM, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET,
645 OPT_BRIEF, OPT_PREXIT, OPT_CRLF, OPT_QUIET, OPT_NBIO,
646 OPT_SSL_CLIENT_ENGINE, OPT_RAND, OPT_IGN_EOF, OPT_NO_IGN_EOF,
647 OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_WDEBUG,
648 OPT_MSG, OPT_MSGFILE, OPT_ENGINE, OPT_TRACE, OPT_SECURITY_DEBUG,
649 OPT_SECURITY_DEBUG_VERBOSE, OPT_SHOWCERTS, OPT_NBIO_TEST, OPT_STATE,
650 OPT_PSK_IDENTITY, OPT_PSK, OPT_SRPUSER, OPT_SRPPASS, OPT_SRP_STRENGTH,
651 OPT_SRP_LATEUSER, OPT_SRP_MOREGROUPS, OPT_SSL3, OPT_SSL_CONFIG,
652 OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1,
653 OPT_DTLS1_2, OPT_TIMEOUT, OPT_MTU, OPT_KEYFORM, OPT_PASS,
654 OPT_CERT_CHAIN, OPT_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH,
655 OPT_KEY, OPT_RECONNECT, OPT_BUILD_CHAIN, OPT_CAFILE, OPT_NOCAFILE,
656 OPT_CHAINCAFILE, OPT_VERIFYCAFILE, OPT_NEXTPROTONEG, OPT_ALPN,
657 OPT_SERVERINFO, OPT_STARTTLS, OPT_SERVERNAME,
658 OPT_USE_SRTP, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN, OPT_SMTPHOST,
663 OPT_FALLBACKSCSV, OPT_NOCMDS, OPT_PROXY, OPT_DANE_TLSA_DOMAIN,
667 OPTIONS s_client_options[] = {
668 {"help", OPT_HELP, '-', "Display this summary"},
669 {"host", OPT_HOST, 's', "Use -connect instead"},
670 {"port", OPT_PORT, 'p', "Use -connect instead"},
671 {"connect", OPT_CONNECT, 's',
672 "TCP/IP where to connect (default is :" PORT ")"},
673 {"proxy", OPT_PROXY, 's',
674 "Connect to via specified proxy to the real server"},
676 {"unix", OPT_UNIX, 's', "Connect over unix domain sockets"},
678 {"4", OPT_4, '-', "Use IPv4 only"},
679 {"6", OPT_6, '-', "Use IPv6 only"},
680 {"verify", OPT_VERIFY, 'p', "Turn on peer certificate verification"},
681 {"cert", OPT_CERT, '<', "Certificate file to use, PEM format assumed"},
682 {"certform", OPT_CERTFORM, 'F',
683 "Certificate format (PEM or DER) PEM default"},
684 {"key", OPT_KEY, '<', "Private key file to use, if not in -cert file"},
685 {"keyform", OPT_KEYFORM, 'F', "Key format (PEM or DER) PEM default"},
686 {"pass", OPT_PASS, 's', "Private key file pass phrase source"},
687 {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
688 {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
689 {"no-CAfile", OPT_NOCAFILE, '-',
690 "Do not load the default certificates file"},
691 {"no-CApath", OPT_NOCAPATH, '-',
692 "Do not load certificates from the default certificates directory"},
693 {"dane_tlsa_domain", OPT_DANE_TLSA_DOMAIN, 's', "DANE TLSA base domain"},
694 {"dane_tlsa_rrdata", OPT_DANE_TLSA_RRDATA, 's',
695 "DANE TLSA rrdata presentation form"},
696 {"reconnect", OPT_RECONNECT, '-',
697 "Drop and re-make the connection with the same Session-ID"},
698 {"showcerts", OPT_SHOWCERTS, '-', "Show all certificates in the chain"},
699 {"debug", OPT_DEBUG, '-', "Extra output"},
700 {"msg", OPT_MSG, '-', "Show protocol messages"},
701 {"msgfile", OPT_MSGFILE, '>',
702 "File to send output of -msg or -trace, instead of stdout"},
703 {"nbio_test", OPT_NBIO_TEST, '-', "More ssl protocol testing"},
704 {"state", OPT_STATE, '-', "Print the ssl states"},
705 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"},
706 {"quiet", OPT_QUIET, '-', "No s_client output"},
707 {"ign_eof", OPT_IGN_EOF, '-', "Ignore input eof (default when -quiet)"},
708 {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Don't ignore input eof"},
709 {"starttls", OPT_STARTTLS, 's',
710 "Use the appropriate STARTTLS command before starting TLS"},
711 {"xmpphost", OPT_XMPPHOST, 's',
712 "Host to use with \"-starttls xmpp[-server]\""},
713 {"rand", OPT_RAND, 's',
714 "Load the file(s) into the random number generator"},
715 {"sess_out", OPT_SESS_OUT, '>', "File to write SSL session to"},
716 {"sess_in", OPT_SESS_IN, '<', "File to read SSL session from"},
717 {"use_srtp", OPT_USE_SRTP, 's',
718 "Offer SRTP key management with a colon-separated profile list"},
719 {"keymatexport", OPT_KEYMATEXPORT, 's',
720 "Export keying material using label"},
721 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
722 "Export len bytes of keying material (default 20)"},
723 {"fallback_scsv", OPT_FALLBACKSCSV, '-', "Send the fallback SCSV"},
724 {"name", OPT_SMTPHOST, 's', "Hostname to use for \"-starttls smtp\""},
725 {"CRL", OPT_CRL, '<', "CRL file to use"},
726 {"crl_download", OPT_CRL_DOWNLOAD, '-', "Download CRL from distribution points"},
727 {"CRLform", OPT_CRLFORM, 'F', "CRL format (PEM or DER) PEM is default"},
728 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-',
729 "Close connection on verification error"},
730 {"verify_quiet", OPT_VERIFY_QUIET, '-', "Restrict verify output to errors"},
731 {"brief", OPT_BRIEF, '-',
732 "Restrict output to brief summary of connection parameters"},
733 {"prexit", OPT_PREXIT, '-',
734 "Print session information when the program exits"},
735 {"security_debug", OPT_SECURITY_DEBUG, '-',
736 "Enable security debug messages"},
737 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-',
738 "Output more security debug output"},
739 {"cert_chain", OPT_CERT_CHAIN, '<',
740 "Certificate chain file (in PEM format)"},
741 {"chainCApath", OPT_CHAINCAPATH, '/',
742 "Use dir as certificate store path to build CA certificate chain"},
743 {"verifyCApath", OPT_VERIFYCAPATH, '/',
744 "Use dir as certificate store path to verify CA certificate"},
745 {"build_chain", OPT_BUILD_CHAIN, '-', "Build certificate chain"},
746 {"chainCAfile", OPT_CHAINCAFILE, '<',
747 "CA file for certificate chain (PEM format)"},
748 {"verifyCAfile", OPT_VERIFYCAFILE, '<',
749 "CA file for certificate verification (PEM format)"},
750 {"nocommands", OPT_NOCMDS, '-', "Do not use interactive command letters"},
751 {"servername", OPT_SERVERNAME, 's',
752 "Set TLS extension servername in ClientHello"},
753 {"tlsextdebug", OPT_TLSEXTDEBUG, '-',
754 "Hex dump of all TLS extensions received"},
755 {"status", OPT_STATUS, '-', "Request certificate status from server"},
756 {"serverinfo", OPT_SERVERINFO, 's',
757 "types Send empty ClientHello extensions (comma-separated numbers)"},
758 {"alpn", OPT_ALPN, 's',
759 "Enable ALPN extension, considering named protocols supported (comma-separated list)"},
760 {"async", OPT_ASYNC, '-', "Support asynchronous operation"},
761 {"ssl_config", OPT_SSL_CONFIG, 's', "Use specified configuration file"},
765 #ifndef OPENSSL_NO_SSL3
766 {"ssl3", OPT_SSL3, '-', "Just use SSLv3"},
768 #ifndef OPENSSL_NO_TLS1
769 {"tls1", OPT_TLS1, '-', "Just use TLSv1"},
771 #ifndef OPENSSL_NO_TLS1_1
772 {"tls1_1", OPT_TLS1_1, '-', "Just use TLSv1.1"},
774 #ifndef OPENSSL_NO_TLS1_2
775 {"tls1_2", OPT_TLS1_2, '-', "Just use TLSv1.2"},
777 #ifndef OPENSSL_NO_DTLS
778 {"dtls", OPT_DTLS, '-', "Use any version of DTLS"},
779 {"timeout", OPT_TIMEOUT, '-',
780 "Enable send/receive timeout on DTLS connections"},
781 {"mtu", OPT_MTU, 'p', "Set the link layer MTU"},
783 #ifndef OPENSSL_NO_DTLS1
784 {"dtls1", OPT_DTLS1, '-', "Just use DTLSv1"},
786 #ifndef OPENSSL_NO_DTLS1_2
787 {"dtls1_2", OPT_DTLS1_2, '-', "Just use DTLSv1.2"},
789 #ifndef OPENSSL_NO_SSL_TRACE
790 {"trace", OPT_TRACE, '-', "Show trace output of protocol messages"},
793 {"wdebug", OPT_WDEBUG, '-', "WATT-32 tcp debugging"},
796 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"},
798 #ifndef OPENSSL_NO_PSK
799 {"psk_identity", OPT_PSK_IDENTITY, 's', "PSK identity"},
800 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"},
802 #ifndef OPENSSL_NO_SRP
803 {"srpuser", OPT_SRPUSER, 's', "SRP authentification for 'user'"},
804 {"srppass", OPT_SRPPASS, 's', "Password for 'user'"},
805 {"srp_lateuser", OPT_SRP_LATEUSER, '-',
806 "SRP username into second ClientHello message"},
807 {"srp_moregroups", OPT_SRP_MOREGROUPS, '-',
808 "Tolerate other than the known g N values."},
809 {"srp_strength", OPT_SRP_STRENGTH, 'p', "Minimal length in bits for N"},
811 #ifndef OPENSSL_NO_NEXTPROTONEG
812 {"nextprotoneg", OPT_NEXTPROTONEG, 's',
813 "Enable NPN extension, considering named protocols supported (comma-separated list)"},
815 #ifndef OPENSSL_NO_ENGINE
816 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
817 {"ssl_client_engine", OPT_SSL_CLIENT_ENGINE, 's',
818 "Specify engine to be used for client certificate operations"},
823 typedef enum PROTOCOL_choice {
836 static OPT_PAIR services[] = {
837 {"smtp", PROTO_SMTP},
838 {"pop3", PROTO_POP3},
839 {"imap", PROTO_IMAP},
841 {"xmpp", PROTO_XMPP},
842 {"xmpp-server", PROTO_XMPP_SERVER},
843 {"telnet", PROTO_TELNET},
848 int s_client_main(int argc, char **argv)
851 EVP_PKEY *key = NULL;
854 STACK_OF(X509) *chain = NULL;
856 X509_VERIFY_PARAM *vpm = NULL;
857 SSL_EXCERT *exc = NULL;
858 SSL_CONF_CTX *cctx = NULL;
859 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
860 char *dane_tlsa_domain = NULL;
861 STACK_OF(OPENSSL_STRING) *dane_tlsa_rrset = NULL;
862 STACK_OF(X509_CRL) *crls = NULL;
863 const SSL_METHOD *meth = TLS_client_method();
864 char *CApath = NULL, *CAfile = NULL, *cbuf = NULL, *sbuf = NULL;
865 char *mbuf = NULL, *proxystr = NULL, *connectstr = NULL;
866 char *cert_file = NULL, *key_file = NULL, *chain_file = NULL;
867 char *chCApath = NULL, *chCAfile = NULL, *host = NULL;
868 char *port = BUF_strdup(PORT);
870 char *passarg = NULL, *pass = NULL, *vfyCApath = NULL, *vfyCAfile = NULL;
871 char *sess_in = NULL, *sess_out = NULL, *crl_file = NULL, *p;
872 char *xmpphost = NULL;
873 const char *ehlo = "mail.example.com";
874 struct sockaddr peer;
875 struct timeval timeout, *timeoutp;
876 fd_set readfds, writefds;
877 int noCApath = 0, noCAfile = 0;
878 int build_chain = 0, cbuf_len, cbuf_off, cert_format = FORMAT_PEM;
879 int key_format = FORMAT_PEM, crlf = 0, full_log = 1, mbuf_len = 0;
881 int enable_timeouts = 0, sdebug = 0, peerlen = sizeof peer;
882 int reconnect = 0, verify = SSL_VERIFY_NONE, vpmtouched = 0;
883 int ret = 1, in_init = 1, i, nbio_test = 0, s = -1, k, width, state = 0;
884 int sbuf_len, sbuf_off, cmdletters = 1;
885 int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM;
886 int starttls_proto = PROTO_OFF, crl_format = FORMAT_PEM, crl_download = 0;
887 int write_tty, read_tty, write_ssl, read_ssl, tty_on, ssl_pending;
888 int fallback_scsv = 0;
889 long socket_mtu = 0, randamt = 0;
891 #ifndef OPENSSL_NO_ENGINE
892 ENGINE *ssl_client_engine = NULL;
895 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
898 char *servername = NULL;
899 const char *alpn_in = NULL;
900 tlsextctx tlsextcbp = { NULL, 0 };
901 const char *ssl_config = NULL;
902 #define MAX_SI_TYPES 100
903 unsigned short serverinfo_types[MAX_SI_TYPES];
904 int serverinfo_count = 0, start = 0, len;
905 #ifndef OPENSSL_NO_NEXTPROTONEG
906 const char *next_proto_neg_in = NULL;
908 #ifndef OPENSSL_NO_SRP
909 char *srppass = NULL;
910 int srp_lateuser = 0;
911 SRP_ARG srp_arg = { NULL, NULL, 0, 0, 0, 1024 };
916 /* Known false-positive of MemorySanitizer. */
917 #if defined(__has_feature)
918 # if __has_feature(memory_sanitizer)
919 __msan_unpoison(&readfds, sizeof(readfds));
920 __msan_unpoison(&writefds, sizeof(writefds));
924 prog = opt_progname(argv[0]);
932 verify_error = X509_V_OK;
933 vpm = X509_VERIFY_PARAM_new();
934 cbuf = app_malloc(BUFSIZZ, "cbuf");
935 sbuf = app_malloc(BUFSIZZ, "sbuf");
936 mbuf = app_malloc(BUFSIZZ, "mbuf");
937 cctx = SSL_CONF_CTX_new();
939 if (vpm == NULL || cctx == NULL) {
940 BIO_printf(bio_err, "%s: out of memory\n", prog);
944 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT | SSL_CONF_FLAG_CMDLINE);
946 prog = opt_init(argc, argv, s_client_options);
947 while ((o = opt_next()) != OPT_EOF) {
952 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
955 opt_help(s_client_options);
960 if (socket_family == AF_UNIX) {
961 OPENSSL_free(host); host = NULL;
962 OPENSSL_free(port); port = NULL;
965 socket_family = AF_INET;
971 if (socket_family == AF_UNIX) {
972 OPENSSL_free(host); host = NULL;
973 OPENSSL_free(port); port = NULL;
976 socket_family = AF_INET6;
979 BIO_printf(bio_err, "%s: IPv6 domain sockets unsupported\n", prog);
985 if (socket_family == AF_UNIX) {
986 OPENSSL_free(host); host = NULL;
987 OPENSSL_free(port); port = NULL;
988 socket_family = AF_UNSPEC;
991 OPENSSL_free(host); host = BUF_strdup(opt_arg());
995 if (socket_family == AF_UNIX) {
996 OPENSSL_free(host); host = NULL;
997 OPENSSL_free(port); port = NULL;
998 socket_family = AF_UNSPEC;
1001 OPENSSL_free(port); port = BUF_strdup(opt_arg());
1005 if (socket_family == AF_UNIX) {
1006 socket_family = AF_UNSPEC;
1009 OPENSSL_free(host); host = NULL;
1010 OPENSSL_free(port); port = NULL;
1011 connectstr = opt_arg();
1014 proxystr = opt_arg();
1015 starttls_proto = PROTO_CONNECT;
1019 socket_family = AF_UNIX;
1020 OPENSSL_free(host); host = BUF_strdup(opt_arg());
1021 OPENSSL_free(port); port = NULL;
1025 xmpphost = opt_arg();
1031 verify = SSL_VERIFY_PEER;
1032 verify_depth = atoi(opt_arg());
1034 BIO_printf(bio_err, "verify depth is %d\n", verify_depth);
1037 cert_file = opt_arg();
1040 crl_file = opt_arg();
1042 case OPT_CRL_DOWNLOAD:
1046 sess_out = opt_arg();
1049 sess_in = opt_arg();
1052 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &cert_format))
1056 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
1059 case OPT_VERIFY_RET_ERROR:
1060 verify_return_error = 1;
1062 case OPT_VERIFY_QUIET:
1066 c_brief = verify_quiet = c_quiet = 1;
1069 if (ssl_args == NULL)
1070 ssl_args = sk_OPENSSL_STRING_new_null();
1071 if (ssl_args == NULL
1072 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
1073 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
1074 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1079 if (!opt_verify(o, vpm))
1084 if (!args_excert(o, &exc))
1094 c_quiet = c_ign_eof = 1;
1103 e = setup_engine(opt_arg(), 1);
1105 case OPT_SSL_CLIENT_ENGINE:
1106 #ifndef OPENSSL_NO_ENGINE
1107 ssl_client_engine = ENGINE_by_id(opt_arg());
1108 if (ssl_client_engine == NULL) {
1109 BIO_printf(bio_err, "Error getting client auth engine\n");
1121 case OPT_NO_IGN_EOF:
1127 case OPT_TLSEXTDEBUG:
1142 bio_c_msg = BIO_new_file(opt_arg(), "w");
1145 #ifndef OPENSSL_NO_SSL_TRACE
1149 case OPT_SECURITY_DEBUG:
1152 case OPT_SECURITY_DEBUG_VERBOSE:
1164 #ifndef OPENSSL_NO_PSK
1165 case OPT_PSK_IDENTITY:
1166 psk_identity = opt_arg();
1169 for (p = psk_key = opt_arg(); *p; p++) {
1170 if (isxdigit(_UC(*p)))
1172 BIO_printf(bio_err, "Not a hex number '%s'\n", psk_key);
1177 case OPT_PSK_IDENTITY:
1181 #ifndef OPENSSL_NO_SRP
1183 srp_arg.srplogin = opt_arg();
1184 meth = TLSv1_client_method();
1187 srppass = opt_arg();
1188 meth = TLSv1_client_method();
1190 case OPT_SRP_STRENGTH:
1191 srp_arg.strength = atoi(opt_arg());
1192 BIO_printf(bio_err, "SRP minimal length for N is %d\n",
1194 meth = TLSv1_client_method();
1196 case OPT_SRP_LATEUSER:
1198 meth = TLSv1_client_method();
1200 case OPT_SRP_MOREGROUPS:
1202 meth = TLSv1_client_method();
1207 case OPT_SRP_STRENGTH:
1208 case OPT_SRP_LATEUSER:
1209 case OPT_SRP_MOREGROUPS:
1212 case OPT_SSL_CONFIG:
1213 ssl_config = opt_arg();
1216 #ifndef OPENSSL_NO_SSL3
1217 meth = SSLv3_client_method();
1221 #ifndef OPENSSL_NO_TLS1_2
1222 meth = TLSv1_2_client_method();
1226 #ifndef OPENSSL_NO_TLS1_1
1227 meth = TLSv1_1_client_method();
1231 #ifndef OPENSSL_NO_TLS1
1232 meth = TLSv1_client_method();
1236 #ifndef OPENSSL_NO_DTLS
1237 meth = DTLS_client_method();
1238 socket_type = SOCK_DGRAM;
1242 #ifndef OPENSSL_NO_DTLS1
1243 meth = DTLSv1_client_method();
1244 socket_type = SOCK_DGRAM;
1248 #ifndef OPENSSL_NO_DTLS1_2
1249 meth = DTLSv1_2_client_method();
1250 socket_type = SOCK_DGRAM;
1254 #ifndef OPENSSL_NO_DTLS
1255 enable_timeouts = 1;
1259 #ifndef OPENSSL_NO_DTLS
1260 socket_mtu = atol(opt_arg());
1263 case OPT_FALLBACKSCSV:
1267 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &key_format))
1271 passarg = opt_arg();
1273 case OPT_CERT_CHAIN:
1274 chain_file = opt_arg();
1277 key_file = opt_arg();
1288 case OPT_CHAINCAPATH:
1289 chCApath = opt_arg();
1291 case OPT_VERIFYCAPATH:
1292 vfyCApath = opt_arg();
1294 case OPT_BUILD_CHAIN:
1303 case OPT_CHAINCAFILE:
1304 chCAfile = opt_arg();
1306 case OPT_VERIFYCAFILE:
1307 vfyCAfile = opt_arg();
1309 case OPT_DANE_TLSA_DOMAIN:
1310 dane_tlsa_domain = opt_arg();
1312 case OPT_DANE_TLSA_RRDATA:
1313 if (dane_tlsa_rrset == NULL)
1314 dane_tlsa_rrset = sk_OPENSSL_STRING_new_null();
1315 if (dane_tlsa_rrset == NULL ||
1316 !sk_OPENSSL_STRING_push(dane_tlsa_rrset, opt_arg())) {
1317 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1321 case OPT_NEXTPROTONEG:
1322 next_proto_neg_in = opt_arg();
1325 alpn_in = opt_arg();
1327 case OPT_SERVERINFO:
1330 for (start = 0, i = 0; i <= len; ++i) {
1331 if (i == len || p[i] == ',') {
1332 serverinfo_types[serverinfo_count] = atoi(p + start);
1333 if (++serverinfo_count == MAX_SI_TYPES)
1340 if (!opt_pair(opt_arg(), services, &starttls_proto))
1342 case OPT_SERVERNAME:
1343 servername = opt_arg();
1346 srtp_profiles = opt_arg();
1348 case OPT_KEYMATEXPORT:
1349 keymatexportlabel = opt_arg();
1351 case OPT_KEYMATEXPORTLEN:
1352 keymatexportlen = atoi(opt_arg());
1359 argc = opt_num_rest();
1365 char *tmp_host = host, *tmp_port = port;
1366 if (connectstr == NULL) {
1367 BIO_printf(bio_err, "%s: -proxy requires use of -connect\n", prog);
1370 res = BIO_parse_hostserv(proxystr, &host, &port, BIO_PARSE_PRIO_HOST);
1371 if (tmp_host != host)
1372 OPENSSL_free(tmp_host);
1373 if (tmp_port != port)
1374 OPENSSL_free(tmp_port);
1376 BIO_printf(bio_err, "%s: -proxy argument malformed or ambiguous\n",
1382 char *tmp_host = host, *tmp_port = port;
1383 if (connectstr != NULL)
1384 res = BIO_parse_hostserv(connectstr, &host, &port,
1385 BIO_PARSE_PRIO_HOST);
1386 if (tmp_host != host)
1387 OPENSSL_free(tmp_host);
1388 if (tmp_port != port)
1389 OPENSSL_free(tmp_port);
1392 "%s: -connect argument malformed or ambiguous\n",
1398 if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) {
1400 "Can't use unix sockets and datagrams together\n");
1404 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1405 next_proto.status = -1;
1406 if (next_proto_neg_in) {
1408 next_protos_parse(&next_proto.len, next_proto_neg_in);
1409 if (next_proto.data == NULL) {
1410 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n");
1414 next_proto.data = NULL;
1417 if (!app_passwd(passarg, NULL, &pass, NULL)) {
1418 BIO_printf(bio_err, "Error getting password\n");
1422 if (key_file == NULL)
1423 key_file = cert_file;
1426 key = load_key(key_file, key_format, 0, pass, e,
1427 "client certificate private key file");
1429 ERR_print_errors(bio_err);
1435 cert = load_cert(cert_file, cert_format,
1436 NULL, e, "client certificate file");
1438 ERR_print_errors(bio_err);
1444 if (!load_certs(chain_file, &chain, FORMAT_PEM, NULL, e,
1445 "client certificate chain"))
1451 crl = load_crl(crl_file, crl_format);
1453 BIO_puts(bio_err, "Error loading CRL\n");
1454 ERR_print_errors(bio_err);
1457 crls = sk_X509_CRL_new_null();
1458 if (crls == NULL || !sk_X509_CRL_push(crls, crl)) {
1459 BIO_puts(bio_err, "Error adding CRL\n");
1460 ERR_print_errors(bio_err);
1466 if (!load_excert(&exc))
1469 if (!app_RAND_load_file(NULL, 1) && inrand == NULL
1470 && !RAND_status()) {
1472 "warning, not much extra random data, consider using the -rand option\n");
1474 if (inrand != NULL) {
1475 randamt = app_RAND_load_files(inrand);
1476 BIO_printf(bio_err, "%ld semi-random bytes loaded\n", randamt);
1479 if (bio_c_out == NULL) {
1480 if (c_quiet && !c_debug) {
1481 bio_c_out = BIO_new(BIO_s_null());
1482 if (c_msg && !bio_c_msg)
1483 bio_c_msg = dup_bio_out(FORMAT_TEXT);
1484 } else if (bio_c_out == NULL)
1485 bio_c_out = dup_bio_out(FORMAT_TEXT);
1487 #ifndef OPENSSL_NO_SRP
1488 if (!app_passwd(srppass, NULL, &srp_arg.srppassin, NULL)) {
1489 BIO_printf(bio_err, "Error getting password\n");
1494 ctx = SSL_CTX_new(meth);
1496 ERR_print_errors(bio_err);
1501 ssl_ctx_security_debug(ctx, sdebug);
1504 if (SSL_CTX_config(ctx, ssl_config) == 0) {
1505 BIO_printf(bio_err, "Error using configuration \"%s\"\n",
1507 ERR_print_errors(bio_err);
1512 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
1513 BIO_printf(bio_err, "Error setting verify params\n");
1514 ERR_print_errors(bio_err);
1519 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
1522 if (!config_ctx(cctx, ssl_args, ctx))
1525 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1526 crls, crl_download)) {
1527 BIO_printf(bio_err, "Error loading store locations\n");
1528 ERR_print_errors(bio_err);
1531 #ifndef OPENSSL_NO_ENGINE
1532 if (ssl_client_engine) {
1533 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine)) {
1534 BIO_puts(bio_err, "Error setting client auth engine\n");
1535 ERR_print_errors(bio_err);
1536 ENGINE_free(ssl_client_engine);
1539 ENGINE_free(ssl_client_engine);
1543 #ifndef OPENSSL_NO_PSK
1544 if (psk_key != NULL) {
1546 BIO_printf(bio_c_out,
1547 "PSK key given, setting client callback\n");
1548 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
1551 #ifndef OPENSSL_NO_SRTP
1552 if (srtp_profiles != NULL) {
1553 /* Returns 0 on success! */
1554 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
1555 BIO_printf(bio_err, "Error setting SRTP profile\n");
1556 ERR_print_errors(bio_err);
1563 ssl_ctx_set_excert(ctx, exc);
1565 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1566 if (next_proto.data)
1567 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
1570 unsigned short alpn_len;
1571 unsigned char *alpn = next_protos_parse(&alpn_len, alpn_in);
1574 BIO_printf(bio_err, "Error parsing -alpn argument\n");
1577 /* Returns 0 on success! */
1578 if (SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len) != 0) {
1579 BIO_printf(bio_err, "Error setting ALPN\n");
1585 for (i = 0; i < serverinfo_count; i++) {
1586 if (!SSL_CTX_add_client_custom_ext(ctx,
1587 serverinfo_types[i],
1589 serverinfo_cli_parse_cb, NULL)) {
1591 "Warning: Unable to add custom extension %u, skipping\n",
1592 serverinfo_types[i]);
1597 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1599 SSL_CTX_set_verify(ctx, verify, verify_callback);
1601 if (!ctx_set_verify_locations(ctx, CAfile, CApath, noCAfile, noCApath)) {
1602 ERR_print_errors(bio_err);
1606 ssl_ctx_add_crls(ctx, crls, crl_download);
1608 if (!set_cert_key_stuff(ctx, cert, key, chain, build_chain))
1611 if (servername != NULL) {
1612 tlsextcbp.biodebug = bio_err;
1613 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1614 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1616 # ifndef OPENSSL_NO_SRP
1617 if (srp_arg.srplogin) {
1618 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin)) {
1619 BIO_printf(bio_err, "Unable to set SRP username\n");
1622 srp_arg.msg = c_msg;
1623 srp_arg.debug = c_debug;
1624 SSL_CTX_set_srp_cb_arg(ctx, &srp_arg);
1625 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb);
1626 SSL_CTX_set_srp_strength(ctx, srp_arg.strength);
1627 if (c_msg || c_debug || srp_arg.amp == 0)
1628 SSL_CTX_set_srp_verify_param_callback(ctx,
1629 ssl_srp_verify_param_cb);
1633 if (dane_tlsa_domain != NULL) {
1634 if (SSL_CTX_dane_enable(ctx) <= 0) {
1636 "%s: Error enabling DANE TLSA authentication.\n", prog);
1637 ERR_print_errors(bio_err);
1645 BIO *stmp = BIO_new_file(sess_in, "r");
1647 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1648 ERR_print_errors(bio_err);
1651 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1654 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1655 ERR_print_errors(bio_err);
1658 if (!SSL_set_session(con, sess)) {
1659 BIO_printf(bio_err, "Can't set session\n");
1660 ERR_print_errors(bio_err);
1663 SSL_SESSION_free(sess);
1667 SSL_set_mode(con, SSL_MODE_SEND_FALLBACK_SCSV);
1669 if (servername != NULL) {
1670 if (!SSL_set_tlsext_host_name(con, servername)) {
1671 BIO_printf(bio_err, "Unable to set TLS servername extension.\n");
1672 ERR_print_errors(bio_err);
1677 if (dane_tlsa_domain != NULL) {
1678 if (SSL_dane_enable(con, dane_tlsa_domain) <= 0) {
1679 BIO_printf(bio_err, "%s: Error enabling DANE TLSA "
1680 "authentication.\n", prog);
1681 ERR_print_errors(bio_err);
1684 if (dane_tlsa_rrset == NULL) {
1685 BIO_printf(bio_err, "%s: DANE TLSA authentication requires at "
1686 "least one -dane_tlsa_rrset option.\n", prog);
1689 if (tlsa_import_rrset(con, dane_tlsa_rrset) <= 0) {
1690 BIO_printf(bio_err, "%s: Failed to import any TLSA "
1691 "records.\n", prog);
1694 } else if (dane_tlsa_rrset != NULL) {
1695 BIO_printf(bio_err, "%s: DANE TLSA authentication requires the "
1696 "-dane_tlsa_domain option.\n", prog);
1701 if (init_client(&s, host, port, socket_family, socket_type) == 0)
1703 BIO_printf(bio_err, "connect:errno=%d\n", get_last_socket_error());
1707 BIO_printf(bio_c_out, "CONNECTED(%08X)\n", s);
1711 unsigned long l = 1;
1712 BIO_printf(bio_c_out, "turning on non blocking io\n");
1713 if (BIO_socket_ioctl(s, FIONBIO, &l) < 0) {
1714 ERR_print_errors(bio_err);
1719 if (socket_type == SOCK_DGRAM) {
1721 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
1722 if (getsockname(s, &peer, (void *)&peerlen) < 0) {
1723 BIO_printf(bio_err, "getsockname:errno=%d\n",
1724 get_last_socket_error());
1729 (void)BIO_ctrl_set_connected(sbio, &peer);
1731 if (enable_timeouts) {
1733 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1734 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1737 timeout.tv_usec = DGRAM_SND_TIMEOUT;
1738 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1742 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
1743 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
1744 DTLS_get_link_min_mtu(con));
1748 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1749 if (!DTLS_set_link_mtu(con, socket_mtu)) {
1750 BIO_printf(bio_err, "Failed to set MTU\n");
1755 /* want to do MTU discovery */
1756 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1758 sbio = BIO_new_socket(s, BIO_NOCLOSE);
1763 test = BIO_new(BIO_f_nbio_test());
1764 sbio = BIO_push(test, sbio);
1768 BIO_set_callback(sbio, bio_dump_callback);
1769 BIO_set_callback_arg(sbio, (char *)bio_c_out);
1772 #ifndef OPENSSL_NO_SSL_TRACE
1774 SSL_set_msg_callback(con, SSL_trace);
1777 SSL_set_msg_callback(con, msg_cb);
1778 SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out);
1781 if (c_tlsextdebug) {
1782 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1783 SSL_set_tlsext_debug_arg(con, bio_c_out);
1786 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
1787 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
1788 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
1791 SSL_set_bio(con, sbio, sbio);
1792 SSL_set_connect_state(con);
1794 /* ok, lets connect */
1795 width = SSL_get_fd(con) + 1;
1808 switch ((PROTOCOL_CHOICE) starttls_proto) {
1814 * This is an ugly hack that does a lot of assumptions. We do
1815 * have to handle multi-line responses which may come in a single
1816 * packet or not. We therefore have to use BIO_gets() which does
1817 * need a buffering BIO. So during the initial chitchat we do
1818 * push a buffering BIO into the chain that is removed again
1819 * later on to not disturb the rest of the s_client operation.
1822 BIO *fbio = BIO_new(BIO_f_buffer());
1823 BIO_push(fbio, sbio);
1824 /* wait for multi-line response to end from SMTP */
1826 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1828 while (mbuf_len > 3 && mbuf[3] == '-');
1829 BIO_printf(fbio, "EHLO %s\r\n", ehlo);
1830 (void)BIO_flush(fbio);
1831 /* wait for multi-line response to end EHLO SMTP response */
1833 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1834 if (strstr(mbuf, "STARTTLS"))
1837 while (mbuf_len > 3 && mbuf[3] == '-');
1838 (void)BIO_flush(fbio);
1843 "didn't find starttls in server response,"
1844 " trying anyway...\n");
1845 BIO_printf(sbio, "STARTTLS\r\n");
1846 BIO_read(sbio, sbuf, BUFSIZZ);
1851 BIO_read(sbio, mbuf, BUFSIZZ);
1852 BIO_printf(sbio, "STLS\r\n");
1853 mbuf_len = BIO_read(sbio, sbuf, BUFSIZZ);
1855 BIO_printf(bio_err, "BIO_read failed\n");
1863 BIO *fbio = BIO_new(BIO_f_buffer());
1864 BIO_push(fbio, sbio);
1865 BIO_gets(fbio, mbuf, BUFSIZZ);
1866 /* STARTTLS command requires CAPABILITY... */
1867 BIO_printf(fbio, ". CAPABILITY\r\n");
1868 (void)BIO_flush(fbio);
1869 /* wait for multi-line CAPABILITY response */
1871 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1872 if (strstr(mbuf, "STARTTLS"))
1875 while (mbuf_len > 3 && mbuf[0] != '.');
1876 (void)BIO_flush(fbio);
1881 "didn't find STARTTLS in server response,"
1882 " trying anyway...\n");
1883 BIO_printf(sbio, ". STARTTLS\r\n");
1884 BIO_read(sbio, sbuf, BUFSIZZ);
1889 BIO *fbio = BIO_new(BIO_f_buffer());
1890 BIO_push(fbio, sbio);
1891 /* wait for multi-line response to end from FTP */
1893 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1895 while (mbuf_len > 3 && mbuf[3] == '-');
1896 (void)BIO_flush(fbio);
1899 BIO_printf(sbio, "AUTH TLS\r\n");
1900 BIO_read(sbio, sbuf, BUFSIZZ);
1904 case PROTO_XMPP_SERVER:
1907 BIO_printf(sbio, "<stream:stream "
1908 "xmlns:stream='http://etherx.jabber.org/streams' "
1909 "xmlns='jabber:%s' to='%s' version='1.0'>",
1910 starttls_proto == PROTO_XMPP ? "client" : "server",
1911 xmpphost ? xmpphost : host);
1912 seen = BIO_read(sbio, mbuf, BUFSIZZ);
1915 (mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")
1917 "<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\""))
1919 seen = BIO_read(sbio, mbuf, BUFSIZZ);
1927 "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
1928 seen = BIO_read(sbio, sbuf, BUFSIZZ);
1930 if (!strstr(sbuf, "<proceed"))
1937 static const unsigned char tls_do[] = {
1938 /* IAC DO START_TLS */
1941 static const unsigned char tls_will[] = {
1942 /* IAC WILL START_TLS */
1945 static const unsigned char tls_follows[] = {
1946 /* IAC SB START_TLS FOLLOWS IAC SE */
1947 255, 250, 46, 1, 255, 240
1951 /* Telnet server should demand we issue START_TLS */
1952 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
1953 if (bytes != 3 || memcmp(mbuf, tls_do, 3) != 0)
1955 /* Agree to issue START_TLS and send the FOLLOWS sub-command */
1956 BIO_write(sbio, tls_will, 3);
1957 BIO_write(sbio, tls_follows, 6);
1958 (void)BIO_flush(sbio);
1959 /* Telnet server also sent the FOLLOWS sub-command */
1960 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
1961 if (bytes != 6 || memcmp(mbuf, tls_follows, 6) != 0)
1968 BIO *fbio = BIO_new(BIO_f_buffer());
1970 BIO_push(fbio, sbio);
1971 BIO_printf(fbio, "CONNECT %s\r\n\r\n", connectstr);
1972 (void)BIO_flush(fbio);
1973 /* wait for multi-line response to end CONNECT response */
1975 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1976 if (strstr(mbuf, "200") != NULL
1977 && strstr(mbuf, "established") != NULL)
1979 } while (mbuf_len > 3 && foundit == 0);
1980 (void)BIO_flush(fbio);
1984 BIO_printf(bio_err, "%s: HTTP CONNECT failed\n", prog);
1992 BIO *fbio = BIO_new(BIO_f_buffer());
1994 BIO_push(fbio, sbio);
1995 BIO_printf(fbio, "STARTTLS\r\n");
1996 (void)BIO_flush(fbio);
1997 width = SSL_get_fd(con) + 1;
2003 openssl_fdset(SSL_get_fd(con), &readfds);
2004 timeout.tv_sec = S_CLIENT_IRC_READ_TIMEOUT;
2005 timeout.tv_usec = 0;
2007 * If the IRCd doesn't respond within
2008 * S_CLIENT_IRC_READ_TIMEOUT seconds, assume
2009 * it doesn't support STARTTLS. Many IRCds
2010 * will not give _any_ sort of response to a
2011 * STARTTLS command when it's not supported.
2013 if (!BIO_get_buffer_num_lines(fbio)
2014 && !BIO_pending(fbio)
2015 && !BIO_pending(sbio)
2016 && select(width, (void *)&readfds, NULL, NULL,
2019 "Timeout waiting for response (%d seconds).\n",
2020 S_CLIENT_IRC_READ_TIMEOUT);
2024 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2025 if (mbuf_len < 1 || sscanf(mbuf, "%*s %d", &numeric) != 1)
2027 /* :example.net 451 STARTTLS :You have not registered */
2028 /* :example.net 421 STARTTLS :Unknown command */
2029 if ((numeric == 451 || numeric == 421)
2030 && strstr(mbuf, "STARTTLS") != NULL) {
2031 BIO_printf(bio_err, "STARTTLS not supported: %s", mbuf);
2034 if (numeric == 691) {
2035 BIO_printf(bio_err, "STARTTLS negotiation failed: ");
2036 ERR_print_errors(bio_err);
2039 } while (numeric != 670);
2041 (void)BIO_flush(fbio);
2044 if (numeric != 670) {
2045 BIO_printf(bio_err, "Server does not support STARTTLS.\n");
2056 if ((SSL_version(con) == DTLS1_VERSION) &&
2057 DTLSv1_get_timeout(con, &timeout))
2058 timeoutp = &timeout;
2062 if (SSL_in_init(con) && !SSL_total_renegotiations(con)) {
2070 if (servername != NULL && !SSL_session_reused(con)) {
2071 BIO_printf(bio_c_out,
2072 "Server did %sacknowledge servername extension.\n",
2073 tlsextcbp.ack ? "" : "not ");
2077 BIO *stmp = BIO_new_file(sess_out, "w");
2079 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));
2082 BIO_printf(bio_err, "Error writing session file %s\n",
2086 BIO_puts(bio_err, "CONNECTION ESTABLISHED\n");
2087 print_ssl_summary(con);
2090 print_stuff(bio_c_out, con, full_log);
2094 if (starttls_proto) {
2095 BIO_write(bio_err, mbuf, mbuf_len);
2096 /* We don't need to know any more */
2098 starttls_proto = PROTO_OFF;
2103 BIO_printf(bio_c_out,
2104 "drop connection and then reconnect\n");
2105 do_ssl_shutdown(con);
2106 SSL_set_connect_state(con);
2107 SHUTDOWN(SSL_get_fd(con));
2113 ssl_pending = read_ssl && SSL_pending(con);
2116 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE)
2119 openssl_fdset(fileno(stdin), &readfds);
2121 openssl_fdset(fileno(stdout), &writefds);
2124 openssl_fdset(SSL_get_fd(con), &readfds);
2126 openssl_fdset(SSL_get_fd(con), &writefds);
2128 if (!tty_on || !write_tty) {
2130 openssl_fdset(SSL_get_fd(con), &readfds);
2132 openssl_fdset(SSL_get_fd(con), &writefds);
2137 * Note: under VMS with SOCKETSHR the second parameter is
2138 * currently of type (int *) whereas under other systems it is
2139 * (void *) if you don't have a cast it will choke the compiler:
2140 * if you do have a cast then you can either go for (int *) or
2143 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2145 * Under Windows/DOS we make the assumption that we can always
2146 * write to the tty: therefore if we need to write to the tty we
2147 * just fall through. Otherwise we timeout the select every
2148 * second and see if there are any keypresses. Note: this is a
2149 * hack, in a proper Windows application we wouldn't do this.
2156 i = select(width, (void *)&readfds, (void *)&writefds,
2158 # if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
2159 if (!i && (!_kbhit() || !read_tty))
2162 if (!i && (!((_kbhit())
2163 || (WAIT_OBJECT_0 ==
2164 WaitForSingleObject(GetStdHandle
2171 i = select(width, (void *)&readfds, (void *)&writefds,
2174 #elif defined(OPENSSL_SYS_NETWARE)
2179 i = select(width, (void *)&readfds, (void *)&writefds,
2182 i = select(width, (void *)&readfds, (void *)&writefds,
2186 i = select(width, (void *)&readfds, (void *)&writefds,
2190 BIO_printf(bio_err, "bad select %d\n",
2191 get_last_socket_error());
2197 if ((SSL_version(con) == DTLS1_VERSION)
2198 && DTLSv1_handle_timeout(con) > 0) {
2199 BIO_printf(bio_err, "TIMEOUT occurred\n");
2202 if (!ssl_pending && FD_ISSET(SSL_get_fd(con), &writefds)) {
2203 k = SSL_write(con, &(cbuf[cbuf_off]), (unsigned int)cbuf_len);
2204 switch (SSL_get_error(con, k)) {
2205 case SSL_ERROR_NONE:
2210 /* we have done a write(con,NULL,0); */
2211 if (cbuf_len <= 0) {
2214 } else { /* if (cbuf_len > 0) */
2220 case SSL_ERROR_WANT_WRITE:
2221 BIO_printf(bio_c_out, "write W BLOCK\n");
2225 case SSL_ERROR_WANT_ASYNC:
2226 BIO_printf(bio_c_out, "write A BLOCK\n");
2227 wait_for_async(con);
2231 case SSL_ERROR_WANT_READ:
2232 BIO_printf(bio_c_out, "write R BLOCK\n");
2237 case SSL_ERROR_WANT_X509_LOOKUP:
2238 BIO_printf(bio_c_out, "write X BLOCK\n");
2240 case SSL_ERROR_ZERO_RETURN:
2241 if (cbuf_len != 0) {
2242 BIO_printf(bio_c_out, "shutdown\n");
2251 case SSL_ERROR_SYSCALL:
2252 if ((k != 0) || (cbuf_len != 0)) {
2253 BIO_printf(bio_err, "write:errno=%d\n",
2254 get_last_socket_error());
2262 ERR_print_errors(bio_err);
2266 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
2267 /* Assume Windows/DOS/BeOS can always write */
2268 else if (!ssl_pending && write_tty)
2270 else if (!ssl_pending && FD_ISSET(fileno(stdout), &writefds))
2273 #ifdef CHARSET_EBCDIC
2274 ascii2ebcdic(&(sbuf[sbuf_off]), &(sbuf[sbuf_off]), sbuf_len);
2276 i = raw_write_stdout(&(sbuf[sbuf_off]), sbuf_len);
2279 BIO_printf(bio_c_out, "DONE\n");
2287 if (sbuf_len <= 0) {
2291 } else if (ssl_pending || FD_ISSET(SSL_get_fd(con), &readfds)) {
2296 SSL_renegotiate(con);
2301 k = SSL_read(con, sbuf, 1024 /* BUFSIZZ */ );
2303 switch (SSL_get_error(con, k)) {
2304 case SSL_ERROR_NONE:
2313 case SSL_ERROR_WANT_ASYNC:
2314 BIO_printf(bio_c_out, "read A BLOCK\n");
2315 wait_for_async(con);
2318 if ((read_tty == 0) && (write_ssl == 0))
2321 case SSL_ERROR_WANT_WRITE:
2322 BIO_printf(bio_c_out, "read W BLOCK\n");
2326 case SSL_ERROR_WANT_READ:
2327 BIO_printf(bio_c_out, "read R BLOCK\n");
2330 if ((read_tty == 0) && (write_ssl == 0))
2333 case SSL_ERROR_WANT_X509_LOOKUP:
2334 BIO_printf(bio_c_out, "read X BLOCK\n");
2336 case SSL_ERROR_SYSCALL:
2337 ret = get_last_socket_error();
2339 BIO_puts(bio_err, "CONNECTION CLOSED BY SERVER\n");
2341 BIO_printf(bio_err, "read:errno=%d\n", ret);
2343 case SSL_ERROR_ZERO_RETURN:
2344 BIO_printf(bio_c_out, "closed\n");
2348 ERR_print_errors(bio_err);
2353 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2354 # if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
2358 || (WAIT_OBJECT_0 ==
2359 WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
2361 #elif defined (OPENSSL_SYS_NETWARE)
2364 else if (FD_ISSET(fileno(stdin), &readfds))
2370 i = raw_read_stdin(cbuf, BUFSIZZ / 2);
2372 /* both loops are skipped when i <= 0 */
2373 for (j = 0; j < i; j++)
2374 if (cbuf[j] == '\n')
2376 for (j = i - 1; j >= 0; j--) {
2377 cbuf[j + lf_num] = cbuf[j];
2378 if (cbuf[j] == '\n') {
2381 cbuf[j + lf_num] = '\r';
2384 assert(lf_num == 0);
2386 i = raw_read_stdin(cbuf, BUFSIZZ);
2388 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q' && cmdletters))) {
2389 BIO_printf(bio_err, "DONE\n");
2394 if ((!c_ign_eof) && (cbuf[0] == 'R' && cmdletters)) {
2395 BIO_printf(bio_err, "RENEGOTIATING\n");
2396 SSL_renegotiate(con);
2399 #ifndef OPENSSL_NO_HEARTBEATS
2400 else if ((!c_ign_eof) && (cbuf[0] == 'B' && cmdletters)) {
2401 BIO_printf(bio_err, "HEARTBEATING\n");
2409 #ifdef CHARSET_EBCDIC
2410 ebcdic2ascii(cbuf, cbuf, i);
2422 print_stuff(bio_c_out, con, full_log);
2423 do_ssl_shutdown(con);
2424 SHUTDOWN(SSL_get_fd(con));
2428 print_stuff(bio_c_out, con, 1);
2431 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2432 OPENSSL_free(next_proto.data);
2436 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2438 sk_X509_pop_free(chain, X509_free);
2440 #ifndef OPENSSL_NO_SRP
2441 OPENSSL_free(srp_arg.srppassin);
2445 X509_VERIFY_PARAM_free(vpm);
2446 ssl_excert_free(exc);
2447 sk_OPENSSL_STRING_free(ssl_args);
2448 sk_OPENSSL_STRING_free(dane_tlsa_rrset);
2449 SSL_CONF_CTX_free(cctx);
2450 OPENSSL_clear_free(cbuf, BUFSIZZ);
2451 OPENSSL_clear_free(sbuf, BUFSIZZ);
2452 OPENSSL_clear_free(mbuf, BUFSIZZ);
2453 BIO_free(bio_c_out);
2455 BIO_free(bio_c_msg);
2460 static void print_stuff(BIO *bio, SSL *s, int full)
2465 STACK_OF(X509_NAME) *sk2;
2466 const SSL_CIPHER *c;
2469 #ifndef OPENSSL_NO_COMP
2470 const COMP_METHOD *comp, *expansion;
2472 unsigned char *exportedkeymat;
2475 int got_a_chain = 0;
2477 sk = SSL_get_peer_cert_chain(s);
2481 BIO_printf(bio, "---\nCertificate chain\n");
2482 for (i = 0; i < sk_X509_num(sk); i++) {
2483 X509_NAME_oneline(X509_get_subject_name(sk_X509_value(sk, i)),
2485 BIO_printf(bio, "%2d s:%s\n", i, buf);
2486 X509_NAME_oneline(X509_get_issuer_name(sk_X509_value(sk, i)),
2488 BIO_printf(bio, " i:%s\n", buf);
2490 PEM_write_bio_X509(bio, sk_X509_value(sk, i));
2494 BIO_printf(bio, "---\n");
2495 peer = SSL_get_peer_certificate(s);
2497 BIO_printf(bio, "Server certificate\n");
2499 /* Redundant if we showed the whole chain */
2500 if (!(c_showcerts && got_a_chain))
2501 PEM_write_bio_X509(bio, peer);
2502 X509_NAME_oneline(X509_get_subject_name(peer), buf, sizeof buf);
2503 BIO_printf(bio, "subject=%s\n", buf);
2504 X509_NAME_oneline(X509_get_issuer_name(peer), buf, sizeof buf);
2505 BIO_printf(bio, "issuer=%s\n", buf);
2507 BIO_printf(bio, "no peer certificate available\n");
2509 sk2 = SSL_get_client_CA_list(s);
2510 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0)) {
2511 BIO_printf(bio, "---\nAcceptable client certificate CA names\n");
2512 for (i = 0; i < sk_X509_NAME_num(sk2); i++) {
2513 xn = sk_X509_NAME_value(sk2, i);
2514 X509_NAME_oneline(xn, buf, sizeof(buf));
2515 BIO_write(bio, buf, strlen(buf));
2516 BIO_write(bio, "\n", 1);
2519 BIO_printf(bio, "---\nNo client certificate CA names sent\n");
2522 ssl_print_sigalgs(bio, s);
2523 ssl_print_tmp_key(bio, s);
2526 "---\nSSL handshake has read %"PRIu64" bytes and written %"PRIu64" bytes\n",
2527 BIO_number_read(SSL_get_rbio(s)),
2528 BIO_number_written(SSL_get_wbio(s)));
2530 print_verify_detail(s, bio);
2531 BIO_printf(bio, (SSL_session_reused(s) ? "---\nReused, " : "---\nNew, "));
2532 c = SSL_get_current_cipher(s);
2533 BIO_printf(bio, "%s, Cipher is %s\n",
2534 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
2537 pktmp = X509_get0_pubkey(peer);
2538 BIO_printf(bio, "Server public key is %d bit\n",
2539 EVP_PKEY_bits(pktmp));
2541 BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
2542 SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
2543 #ifndef OPENSSL_NO_COMP
2544 comp = SSL_get_current_compression(s);
2545 expansion = SSL_get_current_expansion(s);
2546 BIO_printf(bio, "Compression: %s\n",
2547 comp ? SSL_COMP_get_name(comp) : "NONE");
2548 BIO_printf(bio, "Expansion: %s\n",
2549 expansion ? SSL_COMP_get_name(expansion) : "NONE");
2554 /* Print out local port of connection: useful for debugging */
2556 struct sockaddr_in ladd;
2557 socklen_t ladd_size = sizeof(ladd);
2558 sock = SSL_get_fd(s);
2559 getsockname(sock, (struct sockaddr *)&ladd, &ladd_size);
2560 BIO_printf(bio_c_out, "LOCAL PORT is %u\n", ntohs(ladd.sin_port));
2564 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2565 if (next_proto.status != -1) {
2566 const unsigned char *proto;
2567 unsigned int proto_len;
2568 SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
2569 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
2570 BIO_write(bio, proto, proto_len);
2571 BIO_write(bio, "\n", 1);
2575 const unsigned char *proto;
2576 unsigned int proto_len;
2577 SSL_get0_alpn_selected(s, &proto, &proto_len);
2578 if (proto_len > 0) {
2579 BIO_printf(bio, "ALPN protocol: ");
2580 BIO_write(bio, proto, proto_len);
2581 BIO_write(bio, "\n", 1);
2583 BIO_printf(bio, "No ALPN negotiated\n");
2586 #ifndef OPENSSL_NO_SRTP
2588 SRTP_PROTECTION_PROFILE *srtp_profile =
2589 SSL_get_selected_srtp_profile(s);
2592 BIO_printf(bio, "SRTP Extension negotiated, profile=%s\n",
2593 srtp_profile->name);
2597 SSL_SESSION_print(bio, SSL_get_session(s));
2598 if (keymatexportlabel != NULL) {
2599 BIO_printf(bio, "Keying material exporter:\n");
2600 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel);
2601 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen);
2602 exportedkeymat = app_malloc(keymatexportlen, "export key");
2603 if (!SSL_export_keying_material(s, exportedkeymat,
2606 strlen(keymatexportlabel),
2608 BIO_printf(bio, " Error\n");
2610 BIO_printf(bio, " Keying material: ");
2611 for (i = 0; i < keymatexportlen; i++)
2612 BIO_printf(bio, "%02X", exportedkeymat[i]);
2613 BIO_printf(bio, "\n");
2615 OPENSSL_free(exportedkeymat);
2617 BIO_printf(bio, "---\n");
2619 /* flush, or debugging output gets mixed with http response */
2620 (void)BIO_flush(bio);
2623 static int ocsp_resp_cb(SSL *s, void *arg)
2625 const unsigned char *p;
2628 len = SSL_get_tlsext_status_ocsp_resp(s, &p);
2629 BIO_puts(arg, "OCSP response: ");
2631 BIO_puts(arg, "no response sent\n");
2634 rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
2636 BIO_puts(arg, "response parse error\n");
2637 BIO_dump_indent(arg, (char *)p, len, 4);
2640 BIO_puts(arg, "\n======================================\n");
2641 OCSP_RESPONSE_print(arg, rsp, 0);
2642 BIO_puts(arg, "======================================\n");
2643 OCSP_RESPONSE_free(rsp);