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>
168 #ifndef OPENSSL_NO_CT
169 # include <openssl/ct.h>
172 #include "timeouts.h"
174 #if defined(__has_feature)
175 # if __has_feature(memory_sanitizer)
176 # include <sanitizer/msan_interface.h>
181 #define BUFSIZZ 1024*8
182 #define S_CLIENT_IRC_READ_TIMEOUT 8
184 extern int verify_depth;
185 extern int verify_error;
186 extern int verify_return_error;
187 extern int verify_quiet;
190 static int async = 0;
191 static int c_nbio = 0;
192 static int c_tlsextdebug = 0;
193 static int c_status_req = 0;
194 static int c_debug = 0;
195 static int c_msg = 0;
196 static int c_showcerts = 0;
197 static char *keymatexportlabel = NULL;
198 static int keymatexportlen = 20;
199 static BIO *bio_c_out = NULL;
200 static BIO *bio_c_msg = NULL;
201 static int c_quiet = 0;
202 static int c_ign_eof = 0;
203 static int c_brief = 0;
205 static void print_stuff(BIO *berr, SSL *con, int full);
206 static int ocsp_resp_cb(SSL *s, void *arg);
208 static int saved_errno;
210 static void save_errno(void)
216 static int restore_errno(void)
223 static void do_ssl_shutdown(SSL *ssl)
228 /* We only do unidirectional shutdown */
229 ret = SSL_shutdown(ssl);
231 switch (SSL_get_error(ssl, ret)) {
232 case SSL_ERROR_WANT_READ:
233 case SSL_ERROR_WANT_WRITE:
234 case SSL_ERROR_WANT_ASYNC:
235 /* We just do busy waiting. Nothing clever */
244 #ifndef OPENSSL_NO_PSK
245 /* Default PSK identity and key */
246 static char *psk_identity = "Client_identity";
248 * char *psk_key=NULL; by default PSK is not used
251 static unsigned int psk_client_cb(SSL *ssl, const char *hint, char *identity,
252 unsigned int max_identity_len,
254 unsigned int max_psk_len)
256 unsigned int psk_len = 0;
261 BIO_printf(bio_c_out, "psk_client_cb\n");
263 /* no ServerKeyExchange message */
265 BIO_printf(bio_c_out,
266 "NULL received PSK identity hint, continuing anyway\n");
268 BIO_printf(bio_c_out, "Received PSK identity hint '%s'\n", hint);
271 * lookup PSK identity and PSK key based on the given identity hint here
273 ret = BIO_snprintf(identity, max_identity_len, "%s", psk_identity);
274 if (ret < 0 || (unsigned int)ret > max_identity_len)
277 BIO_printf(bio_c_out, "created identity '%s' len=%d\n", identity,
279 ret = BN_hex2bn(&bn, psk_key);
281 BIO_printf(bio_err, "Could not convert PSK key '%s' to BIGNUM\n",
287 if ((unsigned int)BN_num_bytes(bn) > max_psk_len) {
289 "psk buffer of callback is too small (%d) for key (%d)\n",
290 max_psk_len, BN_num_bytes(bn));
295 psk_len = BN_bn2bin(bn, psk);
301 BIO_printf(bio_c_out, "created PSK len=%d\n", psk_len);
306 BIO_printf(bio_err, "Error in PSK client callback\n");
311 /* This is a context that we pass to callbacks */
312 typedef struct tlsextctx_st {
317 static int ssl_servername_cb(SSL *s, int *ad, void *arg)
319 tlsextctx *p = (tlsextctx *) arg;
320 const char *hn = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
321 if (SSL_get_servername_type(s) != -1)
322 p->ack = !SSL_session_reused(s) && hn != NULL;
324 BIO_printf(bio_err, "Can't use SSL_get_servername\n");
326 return SSL_TLSEXT_ERR_OK;
329 #ifndef OPENSSL_NO_SRP
331 /* This is a context that we pass to all callbacks */
332 typedef struct srp_arg_st {
335 int msg; /* copy from c_msg */
336 int debug; /* copy from c_debug */
337 int amp; /* allow more groups */
338 int strength /* minimal size for N */ ;
341 # define SRP_NUMBER_ITERATIONS_FOR_PRIME 64
343 static int srp_Verify_N_and_g(const BIGNUM *N, const BIGNUM *g)
345 BN_CTX *bn_ctx = BN_CTX_new();
346 BIGNUM *p = BN_new();
347 BIGNUM *r = BN_new();
349 g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) &&
350 BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
351 p != NULL && BN_rshift1(p, N) &&
353 BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
355 /* verify g^((N-1)/2) == -1 (mod N) */
356 BN_mod_exp(r, g, p, N, bn_ctx) &&
357 BN_add_word(r, 1) && BN_cmp(r, N) == 0;
366 * This callback is used here for two purposes:
367 * - extended debugging
368 * - making some primality tests for unknown groups
369 * The callback is only called for a non default group.
371 * An application does not need the call back at all if
372 * only the stanard groups are used. In real life situations,
373 * client and server already share well known groups,
374 * thus there is no need to verify them.
375 * Furthermore, in case that a server actually proposes a group that
376 * is not one of those defined in RFC 5054, it is more appropriate
377 * to add the group to a static list and then compare since
378 * primality tests are rather cpu consuming.
381 static int ssl_srp_verify_param_cb(SSL *s, void *arg)
383 SRP_ARG *srp_arg = (SRP_ARG *)arg;
384 BIGNUM *N = NULL, *g = NULL;
386 if (((N = SSL_get_srp_N(s)) == NULL) || ((g = SSL_get_srp_g(s)) == NULL))
388 if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1) {
389 BIO_printf(bio_err, "SRP parameters:\n");
390 BIO_printf(bio_err, "\tN=");
391 BN_print(bio_err, N);
392 BIO_printf(bio_err, "\n\tg=");
393 BN_print(bio_err, g);
394 BIO_printf(bio_err, "\n");
397 if (SRP_check_known_gN_param(g, N))
400 if (srp_arg->amp == 1) {
403 "SRP param N and g are not known params, going to check deeper.\n");
406 * The srp_moregroups is a real debugging feature. Implementors
407 * should rather add the value to the known ones. The minimal size
408 * has already been tested.
410 if (BN_num_bits(g) <= BN_BITS && srp_Verify_N_and_g(N, g))
413 BIO_printf(bio_err, "SRP param N and g rejected.\n");
417 # define PWD_STRLEN 1024
419 static char *ssl_give_srp_client_pwd_cb(SSL *s, void *arg)
421 SRP_ARG *srp_arg = (SRP_ARG *)arg;
422 char *pass = app_malloc(PWD_STRLEN + 1, "SRP password buffer");
426 cb_tmp.password = (char *)srp_arg->srppassin;
427 cb_tmp.prompt_info = "SRP user";
428 if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp)) < 0) {
429 BIO_printf(bio_err, "Can't read Password\n");
440 static char *srtp_profiles = NULL;
442 #ifndef OPENSSL_NO_NEXTPROTONEG
443 /* This the context that we pass to next_proto_cb */
444 typedef struct tlsextnextprotoctx_st {
448 } tlsextnextprotoctx;
450 static tlsextnextprotoctx next_proto;
452 static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen,
453 const unsigned char *in, unsigned int inlen,
456 tlsextnextprotoctx *ctx = arg;
459 /* We can assume that |in| is syntactically valid. */
461 BIO_printf(bio_c_out, "Protocols advertised by server: ");
462 for (i = 0; i < inlen;) {
464 BIO_write(bio_c_out, ", ", 2);
465 BIO_write(bio_c_out, &in[i + 1], in[i]);
468 BIO_write(bio_c_out, "\n", 1);
472 SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len);
473 return SSL_TLSEXT_ERR_OK;
475 #endif /* ndef OPENSSL_NO_NEXTPROTONEG */
477 static int serverinfo_cli_parse_cb(SSL *s, unsigned int ext_type,
478 const unsigned char *in, size_t inlen,
482 unsigned char ext_buf[4 + 65536];
484 /* Reconstruct the type/len fields prior to extension data */
485 ext_buf[0] = ext_type >> 8;
486 ext_buf[1] = ext_type & 0xFF;
487 ext_buf[2] = inlen >> 8;
488 ext_buf[3] = inlen & 0xFF;
489 memcpy(ext_buf + 4, in, inlen);
491 BIO_snprintf(pem_name, sizeof(pem_name), "SERVERINFO FOR EXTENSION %d",
493 PEM_write_bio(bio_c_out, pem_name, "", ext_buf, 4 + inlen);
498 * Hex decoder that tolerates optional whitespace. Returns number of bytes
499 * produced, advances inptr to end of input string.
501 static ossl_ssize_t hexdecode(const char **inptr, void *result)
503 unsigned char **out = (unsigned char **)result;
504 const char *in = *inptr;
505 unsigned char *ret = OPENSSL_malloc(strlen(in)/2);
506 unsigned char *cp = ret;
513 for (byte = 0; *in; ++in) {
516 if (isspace(_UC(*in)))
518 c = tolower(_UC(*in));
519 if ('0' <= c && c <= '9') {
521 } else if ('a' <= c && c <= 'f') {
522 byte |= c - 'a' + 10;
527 if ((nibble ^= 1) == 0) {
540 return cp - (*out = ret);
544 * Decode unsigned 0..255, returns 1 on success, <= 0 on failure. Advances
545 * inptr to next field skipping leading whitespace.
547 static ossl_ssize_t checked_uint8(const char **inptr, void *out)
549 uint8_t *result = (uint8_t *)out;
550 const char *in = *inptr;
556 v = strtol(in, &endp, 10);
559 if (((v == LONG_MIN || v == LONG_MAX) && e == ERANGE) ||
560 endp == in || !isspace(_UC(*endp)) ||
561 v != (*result = (uint8_t) v)) {
564 for (in = endp; isspace(_UC(*in)); ++in)
574 ossl_ssize_t (*parser)(const char **, void *);
577 static int tlsa_import_rr(SSL *con, const char *rrdata)
579 /* Not necessary to re-init these values; the "parsers" do that. */
580 static uint8_t usage;
581 static uint8_t selector;
582 static uint8_t mtype;
583 static unsigned char *data;
584 static struct tlsa_field tlsa_fields[] = {
585 { &usage, "usage", checked_uint8 },
586 { &selector, "selector", checked_uint8 },
587 { &mtype, "mtype", checked_uint8 },
588 { &data, "data", hexdecode },
591 struct tlsa_field *f;
593 const char *cp = rrdata;
594 ossl_ssize_t len = 0;
596 for (f = tlsa_fields; f->var; ++f) {
597 /* Returns number of bytes produced, advances cp to next field */
598 if ((len = f->parser(&cp, f->var)) <= 0) {
599 BIO_printf(bio_err, "%s: warning: bad TLSA %s field in: %s\n",
600 prog, f->name, rrdata);
604 /* The data field is last, so len is its length */
605 ret = SSL_dane_tlsa_add(con, usage, selector, mtype, data, len);
609 ERR_print_errors(bio_err);
610 BIO_printf(bio_err, "%s: warning: unusable TLSA rrdata: %s\n",
615 ERR_print_errors(bio_err);
616 BIO_printf(bio_err, "%s: warning: error loading TLSA rrdata: %s\n",
623 static int tlsa_import_rrset(SSL *con, STACK_OF(OPENSSL_STRING) *rrset)
625 int num = sk_OPENSSL_STRING_num(rrset);
629 for (i = 0; i < num; ++i) {
630 char *rrdata = sk_OPENSSL_STRING_value(rrset, i);
631 if (tlsa_import_rr(con, rrdata) > 0)
637 typedef enum OPTION_choice {
638 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
639 OPT_4, OPT_6, OPT_HOST, OPT_PORT, OPT_CONNECT, OPT_UNIX,
640 OPT_XMPPHOST, OPT_VERIFY,
641 OPT_CERT, OPT_CRL, OPT_CRL_DOWNLOAD, OPT_SESS_OUT, OPT_SESS_IN,
642 OPT_CERTFORM, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET,
643 OPT_BRIEF, OPT_PREXIT, OPT_CRLF, OPT_QUIET, OPT_NBIO,
644 OPT_SSL_CLIENT_ENGINE, OPT_RAND, OPT_IGN_EOF, OPT_NO_IGN_EOF,
645 OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_WDEBUG,
646 OPT_MSG, OPT_MSGFILE, OPT_ENGINE, OPT_TRACE, OPT_SECURITY_DEBUG,
647 OPT_SECURITY_DEBUG_VERBOSE, OPT_SHOWCERTS, OPT_NBIO_TEST, OPT_STATE,
648 OPT_PSK_IDENTITY, OPT_PSK, OPT_SRPUSER, OPT_SRPPASS, OPT_SRP_STRENGTH,
649 OPT_SRP_LATEUSER, OPT_SRP_MOREGROUPS, OPT_SSL3, OPT_SSL_CONFIG,
650 OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1,
651 OPT_DTLS1_2, OPT_TIMEOUT, OPT_MTU, OPT_KEYFORM, OPT_PASS,
652 OPT_CERT_CHAIN, OPT_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH,
653 OPT_KEY, OPT_RECONNECT, OPT_BUILD_CHAIN, OPT_CAFILE, OPT_NOCAFILE,
654 OPT_CHAINCAFILE, OPT_VERIFYCAFILE, OPT_NEXTPROTONEG, OPT_ALPN,
655 OPT_SERVERINFO, OPT_STARTTLS, OPT_SERVERNAME,
656 OPT_USE_SRTP, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN, OPT_SMTPHOST,
661 OPT_FALLBACKSCSV, OPT_NOCMDS, OPT_PROXY, OPT_DANE_TLSA_DOMAIN,
662 #ifndef OPENSSL_NO_CT
663 OPT_NOCT, OPT_REQUESTCT, OPT_REQUIRECT, OPT_CTLOG_FILE,
668 OPTIONS s_client_options[] = {
669 {"help", OPT_HELP, '-', "Display this summary"},
670 {"host", OPT_HOST, 's', "Use -connect instead"},
671 {"port", OPT_PORT, 'p', "Use -connect instead"},
672 {"connect", OPT_CONNECT, 's',
673 "TCP/IP where to connect (default is :" PORT ")"},
674 {"proxy", OPT_PROXY, 's',
675 "Connect to via specified proxy to the real server"},
677 {"unix", OPT_UNIX, 's', "Connect over unix domain sockets"},
679 {"4", OPT_4, '-', "Use IPv4 only"},
680 {"6", OPT_6, '-', "Use IPv6 only"},
681 {"verify", OPT_VERIFY, 'p', "Turn on peer certificate verification"},
682 {"cert", OPT_CERT, '<', "Certificate file to use, PEM format assumed"},
683 {"certform", OPT_CERTFORM, 'F',
684 "Certificate format (PEM or DER) PEM default"},
685 {"key", OPT_KEY, '<', "Private key file to use, if not in -cert file"},
686 {"keyform", OPT_KEYFORM, 'F', "Key format (PEM or DER) PEM default"},
687 {"pass", OPT_PASS, 's', "Private key file pass phrase source"},
688 {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
689 {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
690 {"no-CAfile", OPT_NOCAFILE, '-',
691 "Do not load the default certificates file"},
692 {"no-CApath", OPT_NOCAPATH, '-',
693 "Do not load certificates from the default certificates directory"},
694 {"dane_tlsa_domain", OPT_DANE_TLSA_DOMAIN, 's', "DANE TLSA base domain"},
695 {"dane_tlsa_rrdata", OPT_DANE_TLSA_RRDATA, 's',
696 "DANE TLSA rrdata presentation form"},
697 {"reconnect", OPT_RECONNECT, '-',
698 "Drop and re-make the connection with the same Session-ID"},
699 {"showcerts", OPT_SHOWCERTS, '-', "Show all certificates in the chain"},
700 {"debug", OPT_DEBUG, '-', "Extra output"},
701 {"msg", OPT_MSG, '-', "Show protocol messages"},
702 {"msgfile", OPT_MSGFILE, '>',
703 "File to send output of -msg or -trace, instead of stdout"},
704 {"nbio_test", OPT_NBIO_TEST, '-', "More ssl protocol testing"},
705 {"state", OPT_STATE, '-', "Print the ssl states"},
706 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"},
707 {"quiet", OPT_QUIET, '-', "No s_client output"},
708 {"ign_eof", OPT_IGN_EOF, '-', "Ignore input eof (default when -quiet)"},
709 {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Don't ignore input eof"},
710 {"starttls", OPT_STARTTLS, 's',
711 "Use the appropriate STARTTLS command before starting TLS"},
712 {"xmpphost", OPT_XMPPHOST, 's',
713 "Host to use with \"-starttls xmpp[-server]\""},
714 {"rand", OPT_RAND, 's',
715 "Load the file(s) into the random number generator"},
716 {"sess_out", OPT_SESS_OUT, '>', "File to write SSL session to"},
717 {"sess_in", OPT_SESS_IN, '<', "File to read SSL session from"},
718 {"use_srtp", OPT_USE_SRTP, 's',
719 "Offer SRTP key management with a colon-separated profile list"},
720 {"keymatexport", OPT_KEYMATEXPORT, 's',
721 "Export keying material using label"},
722 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
723 "Export len bytes of keying material (default 20)"},
724 {"fallback_scsv", OPT_FALLBACKSCSV, '-', "Send the fallback SCSV"},
725 {"name", OPT_SMTPHOST, 's', "Hostname to use for \"-starttls smtp\""},
726 {"CRL", OPT_CRL, '<', "CRL file to use"},
727 {"crl_download", OPT_CRL_DOWNLOAD, '-', "Download CRL from distribution points"},
728 {"CRLform", OPT_CRLFORM, 'F', "CRL format (PEM or DER) PEM is default"},
729 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-',
730 "Close connection on verification error"},
731 {"verify_quiet", OPT_VERIFY_QUIET, '-', "Restrict verify output to errors"},
732 {"brief", OPT_BRIEF, '-',
733 "Restrict output to brief summary of connection parameters"},
734 {"prexit", OPT_PREXIT, '-',
735 "Print session information when the program exits"},
736 {"security_debug", OPT_SECURITY_DEBUG, '-',
737 "Enable security debug messages"},
738 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-',
739 "Output more security debug output"},
740 {"cert_chain", OPT_CERT_CHAIN, '<',
741 "Certificate chain file (in PEM format)"},
742 {"chainCApath", OPT_CHAINCAPATH, '/',
743 "Use dir as certificate store path to build CA certificate chain"},
744 {"verifyCApath", OPT_VERIFYCAPATH, '/',
745 "Use dir as certificate store path to verify CA certificate"},
746 {"build_chain", OPT_BUILD_CHAIN, '-', "Build certificate chain"},
747 {"chainCAfile", OPT_CHAINCAFILE, '<',
748 "CA file for certificate chain (PEM format)"},
749 {"verifyCAfile", OPT_VERIFYCAFILE, '<',
750 "CA file for certificate verification (PEM format)"},
751 {"nocommands", OPT_NOCMDS, '-', "Do not use interactive command letters"},
752 {"servername", OPT_SERVERNAME, 's',
753 "Set TLS extension servername in ClientHello"},
754 {"tlsextdebug", OPT_TLSEXTDEBUG, '-',
755 "Hex dump of all TLS extensions received"},
756 {"status", OPT_STATUS, '-', "Request certificate status from server"},
757 {"serverinfo", OPT_SERVERINFO, 's',
758 "types Send empty ClientHello extensions (comma-separated numbers)"},
759 {"alpn", OPT_ALPN, 's',
760 "Enable ALPN extension, considering named protocols supported (comma-separated list)"},
761 {"async", OPT_ASYNC, '-', "Support asynchronous operation"},
762 {"ssl_config", OPT_SSL_CONFIG, 's', "Use specified configuration file"},
766 #ifndef OPENSSL_NO_SSL3
767 {"ssl3", OPT_SSL3, '-', "Just use SSLv3"},
769 #ifndef OPENSSL_NO_TLS1
770 {"tls1", OPT_TLS1, '-', "Just use TLSv1"},
772 #ifndef OPENSSL_NO_TLS1_1
773 {"tls1_1", OPT_TLS1_1, '-', "Just use TLSv1.1"},
775 #ifndef OPENSSL_NO_TLS1_2
776 {"tls1_2", OPT_TLS1_2, '-', "Just use TLSv1.2"},
778 #ifndef OPENSSL_NO_DTLS
779 {"dtls", OPT_DTLS, '-', "Use any version of DTLS"},
780 {"timeout", OPT_TIMEOUT, '-',
781 "Enable send/receive timeout on DTLS connections"},
782 {"mtu", OPT_MTU, 'p', "Set the link layer MTU"},
784 #ifndef OPENSSL_NO_DTLS1
785 {"dtls1", OPT_DTLS1, '-', "Just use DTLSv1"},
787 #ifndef OPENSSL_NO_DTLS1_2
788 {"dtls1_2", OPT_DTLS1_2, '-', "Just use DTLSv1.2"},
790 #ifndef OPENSSL_NO_SSL_TRACE
791 {"trace", OPT_TRACE, '-', "Show trace output of protocol messages"},
794 {"wdebug", OPT_WDEBUG, '-', "WATT-32 tcp debugging"},
796 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"},
797 #ifndef OPENSSL_NO_PSK
798 {"psk_identity", OPT_PSK_IDENTITY, 's', "PSK identity"},
799 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"},
801 #ifndef OPENSSL_NO_SRP
802 {"srpuser", OPT_SRPUSER, 's', "SRP authentification for 'user'"},
803 {"srppass", OPT_SRPPASS, 's', "Password for 'user'"},
804 {"srp_lateuser", OPT_SRP_LATEUSER, '-',
805 "SRP username into second ClientHello message"},
806 {"srp_moregroups", OPT_SRP_MOREGROUPS, '-',
807 "Tolerate other than the known g N values."},
808 {"srp_strength", OPT_SRP_STRENGTH, 'p', "Minimal length in bits for N"},
810 #ifndef OPENSSL_NO_NEXTPROTONEG
811 {"nextprotoneg", OPT_NEXTPROTONEG, 's',
812 "Enable NPN extension, considering named protocols supported (comma-separated list)"},
814 #ifndef OPENSSL_NO_ENGINE
815 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
816 {"ssl_client_engine", OPT_SSL_CLIENT_ENGINE, 's',
817 "Specify engine to be used for client certificate operations"},
819 #ifndef OPENSSL_NO_CT
820 {"noct", OPT_NOCT, '-', "Do not request or parse SCTs (default)"},
821 {"requestct", OPT_REQUESTCT, '-', "Request SCTs (enables OCSP stapling)"},
822 {"requirect", OPT_REQUIRECT, '-', "Require at least 1 SCT (enables OCSP stapling)"},
823 {"ctlogfile", OPT_CTLOG_FILE, '<', "CT log list CONF file"},
828 typedef enum PROTOCOL_choice {
841 static OPT_PAIR services[] = {
842 {"smtp", PROTO_SMTP},
843 {"pop3", PROTO_POP3},
844 {"imap", PROTO_IMAP},
846 {"xmpp", PROTO_XMPP},
847 {"xmpp-server", PROTO_XMPP_SERVER},
848 {"telnet", PROTO_TELNET},
853 int s_client_main(int argc, char **argv)
856 EVP_PKEY *key = NULL;
859 STACK_OF(X509) *chain = NULL;
861 X509_VERIFY_PARAM *vpm = NULL;
862 SSL_EXCERT *exc = NULL;
863 SSL_CONF_CTX *cctx = NULL;
864 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
865 char *dane_tlsa_domain = NULL;
866 STACK_OF(OPENSSL_STRING) *dane_tlsa_rrset = NULL;
867 STACK_OF(X509_CRL) *crls = NULL;
868 const SSL_METHOD *meth = TLS_client_method();
869 char *CApath = NULL, *CAfile = NULL, *cbuf = NULL, *sbuf = NULL;
870 char *mbuf = NULL, *proxystr = NULL, *connectstr = NULL;
871 char *cert_file = NULL, *key_file = NULL, *chain_file = NULL;
872 char *chCApath = NULL, *chCAfile = NULL, *host = NULL;
873 char *port = BUF_strdup(PORT);
875 char *passarg = NULL, *pass = NULL, *vfyCApath = NULL, *vfyCAfile = NULL;
876 char *sess_in = NULL, *sess_out = NULL, *crl_file = NULL, *p;
877 char *xmpphost = NULL;
878 const char *ehlo = "mail.example.com";
879 struct sockaddr peer;
880 struct timeval timeout, *timeoutp;
881 fd_set readfds, writefds;
882 int noCApath = 0, noCAfile = 0;
883 int build_chain = 0, cbuf_len, cbuf_off, cert_format = FORMAT_PEM;
884 int key_format = FORMAT_PEM, crlf = 0, full_log = 1, mbuf_len = 0;
886 int enable_timeouts = 0, sdebug = 0, peerlen = sizeof peer;
887 int reconnect = 0, verify = SSL_VERIFY_NONE, vpmtouched = 0;
888 int ret = 1, in_init = 1, i, nbio_test = 0, s = -1, k, width, state = 0;
889 int sbuf_len, sbuf_off, cmdletters = 1;
890 int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM;
891 int starttls_proto = PROTO_OFF, crl_format = FORMAT_PEM, crl_download = 0;
892 int write_tty, read_tty, write_ssl, read_ssl, tty_on, ssl_pending;
893 int fallback_scsv = 0;
894 long socket_mtu = 0, randamt = 0;
896 #ifndef OPENSSL_NO_ENGINE
897 ENGINE *ssl_client_engine = NULL;
900 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
903 char *servername = NULL;
904 const char *alpn_in = NULL;
905 tlsextctx tlsextcbp = { NULL, 0 };
906 const char *ssl_config = NULL;
907 #define MAX_SI_TYPES 100
908 unsigned short serverinfo_types[MAX_SI_TYPES];
909 int serverinfo_count = 0, start = 0, len;
910 #ifndef OPENSSL_NO_NEXTPROTONEG
911 const char *next_proto_neg_in = NULL;
913 #ifndef OPENSSL_NO_SRP
914 char *srppass = NULL;
915 int srp_lateuser = 0;
916 SRP_ARG srp_arg = { NULL, NULL, 0, 0, 0, 1024 };
918 #ifndef OPENSSL_NO_CT
919 char *ctlog_file = NULL;
920 ct_validation_cb ct_validation = NULL;
925 /* Known false-positive of MemorySanitizer. */
926 #if defined(__has_feature)
927 # if __has_feature(memory_sanitizer)
928 __msan_unpoison(&readfds, sizeof(readfds));
929 __msan_unpoison(&writefds, sizeof(writefds));
933 prog = opt_progname(argv[0]);
941 verify_error = X509_V_OK;
942 vpm = X509_VERIFY_PARAM_new();
943 cbuf = app_malloc(BUFSIZZ, "cbuf");
944 sbuf = app_malloc(BUFSIZZ, "sbuf");
945 mbuf = app_malloc(BUFSIZZ, "mbuf");
946 cctx = SSL_CONF_CTX_new();
948 if (vpm == NULL || cctx == NULL) {
949 BIO_printf(bio_err, "%s: out of memory\n", prog);
953 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT | SSL_CONF_FLAG_CMDLINE);
955 prog = opt_init(argc, argv, s_client_options);
956 while ((o = opt_next()) != OPT_EOF) {
961 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
964 opt_help(s_client_options);
969 if (socket_family == AF_UNIX) {
970 OPENSSL_free(host); host = NULL;
971 OPENSSL_free(port); port = NULL;
974 socket_family = AF_INET;
980 if (socket_family == AF_UNIX) {
981 OPENSSL_free(host); host = NULL;
982 OPENSSL_free(port); port = NULL;
985 socket_family = AF_INET6;
988 BIO_printf(bio_err, "%s: IPv6 domain sockets unsupported\n", prog);
994 if (socket_family == AF_UNIX) {
995 OPENSSL_free(host); host = NULL;
996 OPENSSL_free(port); port = NULL;
997 socket_family = AF_UNSPEC;
1000 OPENSSL_free(host); host = BUF_strdup(opt_arg());
1004 if (socket_family == AF_UNIX) {
1005 OPENSSL_free(host); host = NULL;
1006 OPENSSL_free(port); port = NULL;
1007 socket_family = AF_UNSPEC;
1010 OPENSSL_free(port); port = BUF_strdup(opt_arg());
1014 if (socket_family == AF_UNIX) {
1015 socket_family = AF_UNSPEC;
1018 OPENSSL_free(host); host = NULL;
1019 OPENSSL_free(port); port = NULL;
1020 connectstr = opt_arg();
1023 proxystr = opt_arg();
1024 starttls_proto = PROTO_CONNECT;
1028 socket_family = AF_UNIX;
1029 OPENSSL_free(host); host = BUF_strdup(opt_arg());
1030 OPENSSL_free(port); port = NULL;
1034 xmpphost = opt_arg();
1040 verify = SSL_VERIFY_PEER;
1041 verify_depth = atoi(opt_arg());
1043 BIO_printf(bio_err, "verify depth is %d\n", verify_depth);
1046 cert_file = opt_arg();
1049 crl_file = opt_arg();
1051 case OPT_CRL_DOWNLOAD:
1055 sess_out = opt_arg();
1058 sess_in = opt_arg();
1061 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &cert_format))
1065 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
1068 case OPT_VERIFY_RET_ERROR:
1069 verify_return_error = 1;
1071 case OPT_VERIFY_QUIET:
1075 c_brief = verify_quiet = c_quiet = 1;
1078 if (ssl_args == NULL)
1079 ssl_args = sk_OPENSSL_STRING_new_null();
1080 if (ssl_args == NULL
1081 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
1082 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
1083 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1088 if (!opt_verify(o, vpm))
1093 if (!args_excert(o, &exc))
1103 c_quiet = c_ign_eof = 1;
1112 e = setup_engine(opt_arg(), 1);
1114 case OPT_SSL_CLIENT_ENGINE:
1115 #ifndef OPENSSL_NO_ENGINE
1116 ssl_client_engine = ENGINE_by_id(opt_arg());
1117 if (ssl_client_engine == NULL) {
1118 BIO_printf(bio_err, "Error getting client auth engine\n");
1130 case OPT_NO_IGN_EOF:
1136 case OPT_TLSEXTDEBUG:
1151 bio_c_msg = BIO_new_file(opt_arg(), "w");
1154 #ifndef OPENSSL_NO_SSL_TRACE
1158 case OPT_SECURITY_DEBUG:
1161 case OPT_SECURITY_DEBUG_VERBOSE:
1173 #ifndef OPENSSL_NO_PSK
1174 case OPT_PSK_IDENTITY:
1175 psk_identity = opt_arg();
1178 for (p = psk_key = opt_arg(); *p; p++) {
1179 if (isxdigit(_UC(*p)))
1181 BIO_printf(bio_err, "Not a hex number '%s'\n", psk_key);
1186 case OPT_PSK_IDENTITY:
1190 #ifndef OPENSSL_NO_SRP
1192 srp_arg.srplogin = opt_arg();
1193 meth = TLSv1_client_method();
1196 srppass = opt_arg();
1197 meth = TLSv1_client_method();
1199 case OPT_SRP_STRENGTH:
1200 srp_arg.strength = atoi(opt_arg());
1201 BIO_printf(bio_err, "SRP minimal length for N is %d\n",
1203 meth = TLSv1_client_method();
1205 case OPT_SRP_LATEUSER:
1207 meth = TLSv1_client_method();
1209 case OPT_SRP_MOREGROUPS:
1211 meth = TLSv1_client_method();
1216 case OPT_SRP_STRENGTH:
1217 case OPT_SRP_LATEUSER:
1218 case OPT_SRP_MOREGROUPS:
1221 case OPT_SSL_CONFIG:
1222 ssl_config = opt_arg();
1225 #ifndef OPENSSL_NO_SSL3
1226 meth = SSLv3_client_method();
1230 #ifndef OPENSSL_NO_TLS1_2
1231 meth = TLSv1_2_client_method();
1235 #ifndef OPENSSL_NO_TLS1_1
1236 meth = TLSv1_1_client_method();
1240 #ifndef OPENSSL_NO_TLS1
1241 meth = TLSv1_client_method();
1245 #ifndef OPENSSL_NO_DTLS
1246 meth = DTLS_client_method();
1247 socket_type = SOCK_DGRAM;
1251 #ifndef OPENSSL_NO_DTLS1
1252 meth = DTLSv1_client_method();
1253 socket_type = SOCK_DGRAM;
1257 #ifndef OPENSSL_NO_DTLS1_2
1258 meth = DTLSv1_2_client_method();
1259 socket_type = SOCK_DGRAM;
1263 #ifndef OPENSSL_NO_DTLS
1264 enable_timeouts = 1;
1268 #ifndef OPENSSL_NO_DTLS
1269 socket_mtu = atol(opt_arg());
1272 case OPT_FALLBACKSCSV:
1276 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &key_format))
1280 passarg = opt_arg();
1282 case OPT_CERT_CHAIN:
1283 chain_file = opt_arg();
1286 key_file = opt_arg();
1297 case OPT_CHAINCAPATH:
1298 chCApath = opt_arg();
1300 case OPT_VERIFYCAPATH:
1301 vfyCApath = opt_arg();
1303 case OPT_BUILD_CHAIN:
1312 #ifndef OPENSSL_NO_CT
1314 ct_validation = NULL;
1317 ct_validation = CT_verify_no_bad_scts;
1320 ct_validation = CT_verify_at_least_one_good_sct;
1322 case OPT_CTLOG_FILE:
1323 ctlog_file = opt_arg();
1326 case OPT_CHAINCAFILE:
1327 chCAfile = opt_arg();
1329 case OPT_VERIFYCAFILE:
1330 vfyCAfile = opt_arg();
1332 case OPT_DANE_TLSA_DOMAIN:
1333 dane_tlsa_domain = opt_arg();
1335 case OPT_DANE_TLSA_RRDATA:
1336 if (dane_tlsa_rrset == NULL)
1337 dane_tlsa_rrset = sk_OPENSSL_STRING_new_null();
1338 if (dane_tlsa_rrset == NULL ||
1339 !sk_OPENSSL_STRING_push(dane_tlsa_rrset, opt_arg())) {
1340 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1344 case OPT_NEXTPROTONEG:
1345 next_proto_neg_in = opt_arg();
1348 alpn_in = opt_arg();
1350 case OPT_SERVERINFO:
1353 for (start = 0, i = 0; i <= len; ++i) {
1354 if (i == len || p[i] == ',') {
1355 serverinfo_types[serverinfo_count] = atoi(p + start);
1356 if (++serverinfo_count == MAX_SI_TYPES)
1363 if (!opt_pair(opt_arg(), services, &starttls_proto))
1365 case OPT_SERVERNAME:
1366 servername = opt_arg();
1369 srtp_profiles = opt_arg();
1371 case OPT_KEYMATEXPORT:
1372 keymatexportlabel = opt_arg();
1374 case OPT_KEYMATEXPORTLEN:
1375 keymatexportlen = atoi(opt_arg());
1382 argc = opt_num_rest();
1388 char *tmp_host = host, *tmp_port = port;
1389 if (connectstr == NULL) {
1390 BIO_printf(bio_err, "%s: -proxy requires use of -connect\n", prog);
1393 res = BIO_parse_hostserv(proxystr, &host, &port, BIO_PARSE_PRIO_HOST);
1394 if (tmp_host != host)
1395 OPENSSL_free(tmp_host);
1396 if (tmp_port != port)
1397 OPENSSL_free(tmp_port);
1399 BIO_printf(bio_err, "%s: -proxy argument malformed or ambiguous\n",
1405 char *tmp_host = host, *tmp_port = port;
1406 if (connectstr != NULL)
1407 res = BIO_parse_hostserv(connectstr, &host, &port,
1408 BIO_PARSE_PRIO_HOST);
1409 if (tmp_host != host)
1410 OPENSSL_free(tmp_host);
1411 if (tmp_port != port)
1412 OPENSSL_free(tmp_port);
1415 "%s: -connect argument malformed or ambiguous\n",
1421 if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) {
1423 "Can't use unix sockets and datagrams together\n");
1427 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1428 next_proto.status = -1;
1429 if (next_proto_neg_in) {
1431 next_protos_parse(&next_proto.len, next_proto_neg_in);
1432 if (next_proto.data == NULL) {
1433 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n");
1437 next_proto.data = NULL;
1440 if (!app_passwd(passarg, NULL, &pass, NULL)) {
1441 BIO_printf(bio_err, "Error getting password\n");
1445 if (key_file == NULL)
1446 key_file = cert_file;
1449 key = load_key(key_file, key_format, 0, pass, e,
1450 "client certificate private key file");
1452 ERR_print_errors(bio_err);
1458 cert = load_cert(cert_file, cert_format, "client certificate file");
1460 ERR_print_errors(bio_err);
1466 if (!load_certs(chain_file, &chain, FORMAT_PEM, NULL,
1467 "client certificate chain"))
1473 crl = load_crl(crl_file, crl_format);
1475 BIO_puts(bio_err, "Error loading CRL\n");
1476 ERR_print_errors(bio_err);
1479 crls = sk_X509_CRL_new_null();
1480 if (crls == NULL || !sk_X509_CRL_push(crls, crl)) {
1481 BIO_puts(bio_err, "Error adding CRL\n");
1482 ERR_print_errors(bio_err);
1488 if (!load_excert(&exc))
1491 if (!app_RAND_load_file(NULL, 1) && inrand == NULL
1492 && !RAND_status()) {
1494 "warning, not much extra random data, consider using the -rand option\n");
1496 if (inrand != NULL) {
1497 randamt = app_RAND_load_files(inrand);
1498 BIO_printf(bio_err, "%ld semi-random bytes loaded\n", randamt);
1501 if (bio_c_out == NULL) {
1502 if (c_quiet && !c_debug) {
1503 bio_c_out = BIO_new(BIO_s_null());
1504 if (c_msg && !bio_c_msg)
1505 bio_c_msg = dup_bio_out(FORMAT_TEXT);
1506 } else if (bio_c_out == NULL)
1507 bio_c_out = dup_bio_out(FORMAT_TEXT);
1509 #ifndef OPENSSL_NO_SRP
1510 if (!app_passwd(srppass, NULL, &srp_arg.srppassin, NULL)) {
1511 BIO_printf(bio_err, "Error getting password\n");
1516 ctx = SSL_CTX_new(meth);
1518 ERR_print_errors(bio_err);
1523 ssl_ctx_security_debug(ctx, sdebug);
1526 if (SSL_CTX_config(ctx, ssl_config) == 0) {
1527 BIO_printf(bio_err, "Error using configuration \"%s\"\n",
1529 ERR_print_errors(bio_err);
1534 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
1535 BIO_printf(bio_err, "Error setting verify params\n");
1536 ERR_print_errors(bio_err);
1541 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
1544 if (!config_ctx(cctx, ssl_args, ctx))
1547 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1548 crls, crl_download)) {
1549 BIO_printf(bio_err, "Error loading store locations\n");
1550 ERR_print_errors(bio_err);
1553 #ifndef OPENSSL_NO_ENGINE
1554 if (ssl_client_engine) {
1555 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine)) {
1556 BIO_puts(bio_err, "Error setting client auth engine\n");
1557 ERR_print_errors(bio_err);
1558 ENGINE_free(ssl_client_engine);
1561 ENGINE_free(ssl_client_engine);
1565 #ifndef OPENSSL_NO_PSK
1566 if (psk_key != NULL) {
1568 BIO_printf(bio_c_out,
1569 "PSK key given, setting client callback\n");
1570 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
1573 #ifndef OPENSSL_NO_SRTP
1574 if (srtp_profiles != NULL) {
1575 /* Returns 0 on success! */
1576 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
1577 BIO_printf(bio_err, "Error setting SRTP profile\n");
1578 ERR_print_errors(bio_err);
1585 ssl_ctx_set_excert(ctx, exc);
1587 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1588 if (next_proto.data)
1589 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
1592 unsigned short alpn_len;
1593 unsigned char *alpn = next_protos_parse(&alpn_len, alpn_in);
1596 BIO_printf(bio_err, "Error parsing -alpn argument\n");
1599 /* Returns 0 on success! */
1600 if (SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len) != 0) {
1601 BIO_printf(bio_err, "Error setting ALPN\n");
1607 for (i = 0; i < serverinfo_count; i++) {
1608 if (!SSL_CTX_add_client_custom_ext(ctx,
1609 serverinfo_types[i],
1611 serverinfo_cli_parse_cb, NULL)) {
1613 "Warning: Unable to add custom extension %u, skipping\n",
1614 serverinfo_types[i]);
1619 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1621 #ifndef OPENSSL_NO_CT
1622 if (!SSL_CTX_set_ct_validation_callback(ctx, ct_validation, NULL)) {
1623 ERR_print_errors(bio_err);
1627 if (ctx_set_ctlog_list_file(ctx, ctlog_file) <= 0) {
1628 ERR_print_errors(bio_err);
1633 SSL_CTX_set_verify(ctx, verify, verify_callback);
1635 if (!ctx_set_verify_locations(ctx, CAfile, CApath, noCAfile, noCApath)) {
1636 ERR_print_errors(bio_err);
1640 ssl_ctx_add_crls(ctx, crls, crl_download);
1642 if (!set_cert_key_stuff(ctx, cert, key, chain, build_chain))
1645 if (servername != NULL) {
1646 tlsextcbp.biodebug = bio_err;
1647 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1648 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1650 # ifndef OPENSSL_NO_SRP
1651 if (srp_arg.srplogin) {
1652 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin)) {
1653 BIO_printf(bio_err, "Unable to set SRP username\n");
1656 srp_arg.msg = c_msg;
1657 srp_arg.debug = c_debug;
1658 SSL_CTX_set_srp_cb_arg(ctx, &srp_arg);
1659 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb);
1660 SSL_CTX_set_srp_strength(ctx, srp_arg.strength);
1661 if (c_msg || c_debug || srp_arg.amp == 0)
1662 SSL_CTX_set_srp_verify_param_callback(ctx,
1663 ssl_srp_verify_param_cb);
1667 if (dane_tlsa_domain != NULL) {
1668 if (SSL_CTX_dane_enable(ctx) <= 0) {
1670 "%s: Error enabling DANE TLSA authentication.\n", prog);
1671 ERR_print_errors(bio_err);
1679 BIO *stmp = BIO_new_file(sess_in, "r");
1681 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1682 ERR_print_errors(bio_err);
1685 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1688 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1689 ERR_print_errors(bio_err);
1692 if (!SSL_set_session(con, sess)) {
1693 BIO_printf(bio_err, "Can't set session\n");
1694 ERR_print_errors(bio_err);
1697 SSL_SESSION_free(sess);
1701 SSL_set_mode(con, SSL_MODE_SEND_FALLBACK_SCSV);
1703 if (servername != NULL) {
1704 if (!SSL_set_tlsext_host_name(con, servername)) {
1705 BIO_printf(bio_err, "Unable to set TLS servername extension.\n");
1706 ERR_print_errors(bio_err);
1711 if (dane_tlsa_domain != NULL) {
1712 if (SSL_dane_enable(con, dane_tlsa_domain) <= 0) {
1713 BIO_printf(bio_err, "%s: Error enabling DANE TLSA "
1714 "authentication.\n", prog);
1715 ERR_print_errors(bio_err);
1718 if (dane_tlsa_rrset == NULL) {
1719 BIO_printf(bio_err, "%s: DANE TLSA authentication requires at "
1720 "least one -dane_tlsa_rrset option.\n", prog);
1723 if (tlsa_import_rrset(con, dane_tlsa_rrset) <= 0) {
1724 BIO_printf(bio_err, "%s: Failed to import any TLSA "
1725 "records.\n", prog);
1728 } else if (dane_tlsa_rrset != NULL) {
1729 BIO_printf(bio_err, "%s: DANE TLSA authentication requires the "
1730 "-dane_tlsa_domain option.\n", prog);
1735 if (init_client(&s, host, port, socket_family, socket_type) == 0)
1737 BIO_printf(bio_err, "connect:errno=%d\n", get_last_socket_error());
1741 BIO_printf(bio_c_out, "CONNECTED(%08X)\n", s);
1744 if (!BIO_socket_nbio(s, 1)) {
1745 ERR_print_errors(bio_err);
1748 BIO_printf(bio_c_out, "Turned on non blocking io\n");
1750 if (socket_type == SOCK_DGRAM) {
1752 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
1753 if (getsockname(s, &peer, (void *)&peerlen) < 0) {
1754 BIO_printf(bio_err, "getsockname:errno=%d\n",
1755 get_last_socket_error());
1760 (void)BIO_ctrl_set_connected(sbio, &peer);
1762 if (enable_timeouts) {
1764 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1765 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1768 timeout.tv_usec = DGRAM_SND_TIMEOUT;
1769 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1773 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
1774 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
1775 DTLS_get_link_min_mtu(con));
1779 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1780 if (!DTLS_set_link_mtu(con, socket_mtu)) {
1781 BIO_printf(bio_err, "Failed to set MTU\n");
1786 /* want to do MTU discovery */
1787 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1789 sbio = BIO_new_socket(s, BIO_NOCLOSE);
1794 test = BIO_new(BIO_f_nbio_test());
1795 sbio = BIO_push(test, sbio);
1799 BIO_set_callback(sbio, bio_dump_callback);
1800 BIO_set_callback_arg(sbio, (char *)bio_c_out);
1803 #ifndef OPENSSL_NO_SSL_TRACE
1805 SSL_set_msg_callback(con, SSL_trace);
1808 SSL_set_msg_callback(con, msg_cb);
1809 SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out);
1812 if (c_tlsextdebug) {
1813 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1814 SSL_set_tlsext_debug_arg(con, bio_c_out);
1817 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
1818 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
1819 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
1822 SSL_set_bio(con, sbio, sbio);
1823 SSL_set_connect_state(con);
1825 /* ok, lets connect */
1826 width = SSL_get_fd(con) + 1;
1839 switch ((PROTOCOL_CHOICE) starttls_proto) {
1845 * This is an ugly hack that does a lot of assumptions. We do
1846 * have to handle multi-line responses which may come in a single
1847 * packet or not. We therefore have to use BIO_gets() which does
1848 * need a buffering BIO. So during the initial chitchat we do
1849 * push a buffering BIO into the chain that is removed again
1850 * later on to not disturb the rest of the s_client operation.
1853 BIO *fbio = BIO_new(BIO_f_buffer());
1854 BIO_push(fbio, sbio);
1855 /* wait for multi-line response to end from SMTP */
1857 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1859 while (mbuf_len > 3 && mbuf[3] == '-');
1860 BIO_printf(fbio, "EHLO %s\r\n", ehlo);
1861 (void)BIO_flush(fbio);
1862 /* wait for multi-line response to end EHLO SMTP response */
1864 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1865 if (strstr(mbuf, "STARTTLS"))
1868 while (mbuf_len > 3 && mbuf[3] == '-');
1869 (void)BIO_flush(fbio);
1874 "didn't find starttls in server response,"
1875 " trying anyway...\n");
1876 BIO_printf(sbio, "STARTTLS\r\n");
1877 BIO_read(sbio, sbuf, BUFSIZZ);
1882 BIO_read(sbio, mbuf, BUFSIZZ);
1883 BIO_printf(sbio, "STLS\r\n");
1884 mbuf_len = BIO_read(sbio, sbuf, BUFSIZZ);
1886 BIO_printf(bio_err, "BIO_read failed\n");
1894 BIO *fbio = BIO_new(BIO_f_buffer());
1895 BIO_push(fbio, sbio);
1896 BIO_gets(fbio, mbuf, BUFSIZZ);
1897 /* STARTTLS command requires CAPABILITY... */
1898 BIO_printf(fbio, ". CAPABILITY\r\n");
1899 (void)BIO_flush(fbio);
1900 /* wait for multi-line CAPABILITY response */
1902 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1903 if (strstr(mbuf, "STARTTLS"))
1906 while (mbuf_len > 3 && mbuf[0] != '.');
1907 (void)BIO_flush(fbio);
1912 "didn't find STARTTLS in server response,"
1913 " trying anyway...\n");
1914 BIO_printf(sbio, ". STARTTLS\r\n");
1915 BIO_read(sbio, sbuf, BUFSIZZ);
1920 BIO *fbio = BIO_new(BIO_f_buffer());
1921 BIO_push(fbio, sbio);
1922 /* wait for multi-line response to end from FTP */
1924 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1926 while (mbuf_len > 3 && mbuf[3] == '-');
1927 (void)BIO_flush(fbio);
1930 BIO_printf(sbio, "AUTH TLS\r\n");
1931 BIO_read(sbio, sbuf, BUFSIZZ);
1935 case PROTO_XMPP_SERVER:
1938 BIO_printf(sbio, "<stream:stream "
1939 "xmlns:stream='http://etherx.jabber.org/streams' "
1940 "xmlns='jabber:%s' to='%s' version='1.0'>",
1941 starttls_proto == PROTO_XMPP ? "client" : "server",
1942 xmpphost ? xmpphost : host);
1943 seen = BIO_read(sbio, mbuf, BUFSIZZ);
1946 (mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")
1948 "<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\""))
1950 seen = BIO_read(sbio, mbuf, BUFSIZZ);
1958 "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
1959 seen = BIO_read(sbio, sbuf, BUFSIZZ);
1961 if (!strstr(sbuf, "<proceed"))
1968 static const unsigned char tls_do[] = {
1969 /* IAC DO START_TLS */
1972 static const unsigned char tls_will[] = {
1973 /* IAC WILL START_TLS */
1976 static const unsigned char tls_follows[] = {
1977 /* IAC SB START_TLS FOLLOWS IAC SE */
1978 255, 250, 46, 1, 255, 240
1982 /* Telnet server should demand we issue START_TLS */
1983 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
1984 if (bytes != 3 || memcmp(mbuf, tls_do, 3) != 0)
1986 /* Agree to issue START_TLS and send the FOLLOWS sub-command */
1987 BIO_write(sbio, tls_will, 3);
1988 BIO_write(sbio, tls_follows, 6);
1989 (void)BIO_flush(sbio);
1990 /* Telnet server also sent the FOLLOWS sub-command */
1991 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
1992 if (bytes != 6 || memcmp(mbuf, tls_follows, 6) != 0)
1999 BIO *fbio = BIO_new(BIO_f_buffer());
2001 BIO_push(fbio, sbio);
2002 BIO_printf(fbio, "CONNECT %s\r\n\r\n", connectstr);
2003 (void)BIO_flush(fbio);
2004 /* wait for multi-line response to end CONNECT response */
2006 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2007 if (strstr(mbuf, "200") != NULL
2008 && strstr(mbuf, "established") != NULL)
2010 } while (mbuf_len > 3 && foundit == 0);
2011 (void)BIO_flush(fbio);
2015 BIO_printf(bio_err, "%s: HTTP CONNECT failed\n", prog);
2023 BIO *fbio = BIO_new(BIO_f_buffer());
2025 BIO_push(fbio, sbio);
2026 BIO_printf(fbio, "STARTTLS\r\n");
2027 (void)BIO_flush(fbio);
2028 width = SSL_get_fd(con) + 1;
2034 openssl_fdset(SSL_get_fd(con), &readfds);
2035 timeout.tv_sec = S_CLIENT_IRC_READ_TIMEOUT;
2036 timeout.tv_usec = 0;
2038 * If the IRCd doesn't respond within
2039 * S_CLIENT_IRC_READ_TIMEOUT seconds, assume
2040 * it doesn't support STARTTLS. Many IRCds
2041 * will not give _any_ sort of response to a
2042 * STARTTLS command when it's not supported.
2044 if (!BIO_get_buffer_num_lines(fbio)
2045 && !BIO_pending(fbio)
2046 && !BIO_pending(sbio)
2047 && select(width, (void *)&readfds, NULL, NULL,
2050 "Timeout waiting for response (%d seconds).\n",
2051 S_CLIENT_IRC_READ_TIMEOUT);
2055 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2056 if (mbuf_len < 1 || sscanf(mbuf, "%*s %d", &numeric) != 1)
2058 /* :example.net 451 STARTTLS :You have not registered */
2059 /* :example.net 421 STARTTLS :Unknown command */
2060 if ((numeric == 451 || numeric == 421)
2061 && strstr(mbuf, "STARTTLS") != NULL) {
2062 BIO_printf(bio_err, "STARTTLS not supported: %s", mbuf);
2065 if (numeric == 691) {
2066 BIO_printf(bio_err, "STARTTLS negotiation failed: ");
2067 ERR_print_errors(bio_err);
2070 } while (numeric != 670);
2072 (void)BIO_flush(fbio);
2075 if (numeric != 670) {
2076 BIO_printf(bio_err, "Server does not support STARTTLS.\n");
2087 if ((SSL_version(con) == DTLS1_VERSION) &&
2088 DTLSv1_get_timeout(con, &timeout))
2089 timeoutp = &timeout;
2093 if (SSL_in_init(con) && !SSL_total_renegotiations(con)) {
2101 if (servername != NULL && !SSL_session_reused(con)) {
2102 BIO_printf(bio_c_out,
2103 "Server did %sacknowledge servername extension.\n",
2104 tlsextcbp.ack ? "" : "not ");
2108 BIO *stmp = BIO_new_file(sess_out, "w");
2110 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));
2113 BIO_printf(bio_err, "Error writing session file %s\n",
2117 BIO_puts(bio_err, "CONNECTION ESTABLISHED\n");
2118 print_ssl_summary(con);
2121 print_stuff(bio_c_out, con, full_log);
2125 if (starttls_proto) {
2126 BIO_write(bio_err, mbuf, mbuf_len);
2127 /* We don't need to know any more */
2129 starttls_proto = PROTO_OFF;
2134 BIO_printf(bio_c_out,
2135 "drop connection and then reconnect\n");
2136 do_ssl_shutdown(con);
2137 SSL_set_connect_state(con);
2138 SHUTDOWN(SSL_get_fd(con));
2144 ssl_pending = read_ssl && SSL_pending(con);
2147 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE)
2150 openssl_fdset(fileno(stdin), &readfds);
2152 openssl_fdset(fileno(stdout), &writefds);
2155 openssl_fdset(SSL_get_fd(con), &readfds);
2157 openssl_fdset(SSL_get_fd(con), &writefds);
2159 if (!tty_on || !write_tty) {
2161 openssl_fdset(SSL_get_fd(con), &readfds);
2163 openssl_fdset(SSL_get_fd(con), &writefds);
2168 * Note: under VMS with SOCKETSHR the second parameter is
2169 * currently of type (int *) whereas under other systems it is
2170 * (void *) if you don't have a cast it will choke the compiler:
2171 * if you do have a cast then you can either go for (int *) or
2174 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2176 * Under Windows/DOS we make the assumption that we can always
2177 * write to the tty: therefore if we need to write to the tty we
2178 * just fall through. Otherwise we timeout the select every
2179 * second and see if there are any keypresses. Note: this is a
2180 * hack, in a proper Windows application we wouldn't do this.
2187 i = select(width, (void *)&readfds, (void *)&writefds,
2189 # if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
2190 if (!i && (!_kbhit() || !read_tty))
2193 if (!i && (!((_kbhit())
2194 || (WAIT_OBJECT_0 ==
2195 WaitForSingleObject(GetStdHandle
2202 i = select(width, (void *)&readfds, (void *)&writefds,
2205 #elif defined(OPENSSL_SYS_NETWARE)
2210 i = select(width, (void *)&readfds, (void *)&writefds,
2213 i = select(width, (void *)&readfds, (void *)&writefds,
2217 i = select(width, (void *)&readfds, (void *)&writefds,
2221 BIO_printf(bio_err, "bad select %d\n",
2222 get_last_socket_error());
2228 if ((SSL_version(con) == DTLS1_VERSION)
2229 && DTLSv1_handle_timeout(con) > 0) {
2230 BIO_printf(bio_err, "TIMEOUT occurred\n");
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:
2241 /* we have done a write(con,NULL,0); */
2242 if (cbuf_len <= 0) {
2245 } else { /* if (cbuf_len > 0) */
2251 case SSL_ERROR_WANT_WRITE:
2252 BIO_printf(bio_c_out, "write W BLOCK\n");
2256 case SSL_ERROR_WANT_ASYNC:
2257 BIO_printf(bio_c_out, "write A BLOCK\n");
2258 wait_for_async(con);
2262 case SSL_ERROR_WANT_READ:
2263 BIO_printf(bio_c_out, "write R BLOCK\n");
2268 case SSL_ERROR_WANT_X509_LOOKUP:
2269 BIO_printf(bio_c_out, "write X BLOCK\n");
2271 case SSL_ERROR_ZERO_RETURN:
2272 if (cbuf_len != 0) {
2273 BIO_printf(bio_c_out, "shutdown\n");
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());
2293 ERR_print_errors(bio_err);
2297 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
2298 /* Assume Windows/DOS/BeOS can always write */
2299 else if (!ssl_pending && write_tty)
2301 else if (!ssl_pending && FD_ISSET(fileno(stdout), &writefds))
2304 #ifdef CHARSET_EBCDIC
2305 ascii2ebcdic(&(sbuf[sbuf_off]), &(sbuf[sbuf_off]), sbuf_len);
2307 i = raw_write_stdout(&(sbuf[sbuf_off]), sbuf_len);
2310 BIO_printf(bio_c_out, "DONE\n");
2318 if (sbuf_len <= 0) {
2322 } else if (ssl_pending || FD_ISSET(SSL_get_fd(con), &readfds)) {
2327 SSL_renegotiate(con);
2332 k = SSL_read(con, sbuf, 1024 /* BUFSIZZ */ );
2334 switch (SSL_get_error(con, k)) {
2335 case SSL_ERROR_NONE:
2344 case SSL_ERROR_WANT_ASYNC:
2345 BIO_printf(bio_c_out, "read A BLOCK\n");
2346 wait_for_async(con);
2349 if ((read_tty == 0) && (write_ssl == 0))
2352 case SSL_ERROR_WANT_WRITE:
2353 BIO_printf(bio_c_out, "read W BLOCK\n");
2357 case SSL_ERROR_WANT_READ:
2358 BIO_printf(bio_c_out, "read R BLOCK\n");
2361 if ((read_tty == 0) && (write_ssl == 0))
2364 case SSL_ERROR_WANT_X509_LOOKUP:
2365 BIO_printf(bio_c_out, "read X BLOCK\n");
2367 case SSL_ERROR_SYSCALL:
2368 ret = get_last_socket_error();
2370 BIO_puts(bio_err, "CONNECTION CLOSED BY SERVER\n");
2372 BIO_printf(bio_err, "read:errno=%d\n", ret);
2374 case SSL_ERROR_ZERO_RETURN:
2375 BIO_printf(bio_c_out, "closed\n");
2379 ERR_print_errors(bio_err);
2384 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2385 # if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
2389 || (WAIT_OBJECT_0 ==
2390 WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
2392 #elif defined (OPENSSL_SYS_NETWARE)
2395 else if (FD_ISSET(fileno(stdin), &readfds))
2401 i = raw_read_stdin(cbuf, BUFSIZZ / 2);
2403 /* both loops are skipped when i <= 0 */
2404 for (j = 0; j < i; j++)
2405 if (cbuf[j] == '\n')
2407 for (j = i - 1; j >= 0; j--) {
2408 cbuf[j + lf_num] = cbuf[j];
2409 if (cbuf[j] == '\n') {
2412 cbuf[j + lf_num] = '\r';
2415 assert(lf_num == 0);
2417 i = raw_read_stdin(cbuf, BUFSIZZ);
2419 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q' && cmdletters))) {
2420 BIO_printf(bio_err, "DONE\n");
2425 if ((!c_ign_eof) && (cbuf[0] == 'R' && cmdletters)) {
2426 BIO_printf(bio_err, "RENEGOTIATING\n");
2427 SSL_renegotiate(con);
2430 #ifndef OPENSSL_NO_HEARTBEATS
2431 else if ((!c_ign_eof) && (cbuf[0] == 'B' && cmdletters)) {
2432 BIO_printf(bio_err, "HEARTBEATING\n");
2440 #ifdef CHARSET_EBCDIC
2441 ebcdic2ascii(cbuf, cbuf, i);
2453 print_stuff(bio_c_out, con, full_log);
2454 do_ssl_shutdown(con);
2455 SHUTDOWN(SSL_get_fd(con));
2459 print_stuff(bio_c_out, con, 1);
2462 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2463 OPENSSL_free(next_proto.data);
2467 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2469 sk_X509_pop_free(chain, X509_free);
2471 #ifndef OPENSSL_NO_SRP
2472 OPENSSL_free(srp_arg.srppassin);
2476 X509_VERIFY_PARAM_free(vpm);
2477 ssl_excert_free(exc);
2478 sk_OPENSSL_STRING_free(ssl_args);
2479 sk_OPENSSL_STRING_free(dane_tlsa_rrset);
2480 SSL_CONF_CTX_free(cctx);
2481 OPENSSL_clear_free(cbuf, BUFSIZZ);
2482 OPENSSL_clear_free(sbuf, BUFSIZZ);
2483 OPENSSL_clear_free(mbuf, BUFSIZZ);
2484 BIO_free(bio_c_out);
2486 BIO_free(bio_c_msg);
2491 static void print_stuff(BIO *bio, SSL *s, int full)
2496 STACK_OF(X509_NAME) *sk2;
2497 const SSL_CIPHER *c;
2500 #ifndef OPENSSL_NO_COMP
2501 const COMP_METHOD *comp, *expansion;
2503 unsigned char *exportedkeymat;
2504 #ifndef OPENSSL_NO_CT
2505 const STACK_OF(SCT) *scts;
2509 int got_a_chain = 0;
2511 sk = SSL_get_peer_cert_chain(s);
2515 BIO_printf(bio, "---\nCertificate chain\n");
2516 for (i = 0; i < sk_X509_num(sk); i++) {
2517 X509_NAME_oneline(X509_get_subject_name(sk_X509_value(sk, i)),
2519 BIO_printf(bio, "%2d s:%s\n", i, buf);
2520 X509_NAME_oneline(X509_get_issuer_name(sk_X509_value(sk, i)),
2522 BIO_printf(bio, " i:%s\n", buf);
2524 PEM_write_bio_X509(bio, sk_X509_value(sk, i));
2528 BIO_printf(bio, "---\n");
2529 peer = SSL_get_peer_certificate(s);
2531 BIO_printf(bio, "Server certificate\n");
2533 /* Redundant if we showed the whole chain */
2534 if (!(c_showcerts && got_a_chain))
2535 PEM_write_bio_X509(bio, peer);
2536 X509_NAME_oneline(X509_get_subject_name(peer), buf, sizeof buf);
2537 BIO_printf(bio, "subject=%s\n", buf);
2538 X509_NAME_oneline(X509_get_issuer_name(peer), buf, sizeof buf);
2539 BIO_printf(bio, "issuer=%s\n", buf);
2541 BIO_printf(bio, "no peer certificate available\n");
2543 sk2 = SSL_get_client_CA_list(s);
2544 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0)) {
2545 BIO_printf(bio, "---\nAcceptable client certificate CA names\n");
2546 for (i = 0; i < sk_X509_NAME_num(sk2); i++) {
2547 xn = sk_X509_NAME_value(sk2, i);
2548 X509_NAME_oneline(xn, buf, sizeof(buf));
2549 BIO_write(bio, buf, strlen(buf));
2550 BIO_write(bio, "\n", 1);
2553 BIO_printf(bio, "---\nNo client certificate CA names sent\n");
2556 ssl_print_sigalgs(bio, s);
2557 ssl_print_tmp_key(bio, s);
2559 #ifndef OPENSSL_NO_CT
2560 scts = SSL_get0_peer_scts(s);
2561 BIO_printf(bio, "---\nSCTs present (%i)\n---\n",
2562 scts ? sk_SCT_num(scts) : 0);
2563 SCT_LIST_print(scts, bio, 0, "\n---\n");
2564 BIO_printf(bio, "\n");
2565 if (SSL_get_ct_validation_callback(s) == NULL) {
2566 BIO_printf(bio, "---\nWarning: CT validation is disabled, so not all "
2567 "SCTs may be displayed. Re-run with \"-requestct\".\n");
2572 "---\nSSL handshake has read %"PRIu64" bytes and written %"PRIu64" bytes\n",
2573 BIO_number_read(SSL_get_rbio(s)),
2574 BIO_number_written(SSL_get_wbio(s)));
2576 print_verify_detail(s, bio);
2577 BIO_printf(bio, (SSL_session_reused(s) ? "---\nReused, " : "---\nNew, "));
2578 c = SSL_get_current_cipher(s);
2579 BIO_printf(bio, "%s, Cipher is %s\n",
2580 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
2583 pktmp = X509_get0_pubkey(peer);
2584 BIO_printf(bio, "Server public key is %d bit\n",
2585 EVP_PKEY_bits(pktmp));
2587 BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
2588 SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
2589 #ifndef OPENSSL_NO_COMP
2590 comp = SSL_get_current_compression(s);
2591 expansion = SSL_get_current_expansion(s);
2592 BIO_printf(bio, "Compression: %s\n",
2593 comp ? SSL_COMP_get_name(comp) : "NONE");
2594 BIO_printf(bio, "Expansion: %s\n",
2595 expansion ? SSL_COMP_get_name(expansion) : "NONE");
2600 /* Print out local port of connection: useful for debugging */
2602 struct sockaddr_in ladd;
2603 socklen_t ladd_size = sizeof(ladd);
2604 sock = SSL_get_fd(s);
2605 getsockname(sock, (struct sockaddr *)&ladd, &ladd_size);
2606 BIO_printf(bio_c_out, "LOCAL PORT is %u\n", ntohs(ladd.sin_port));
2610 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2611 if (next_proto.status != -1) {
2612 const unsigned char *proto;
2613 unsigned int proto_len;
2614 SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
2615 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
2616 BIO_write(bio, proto, proto_len);
2617 BIO_write(bio, "\n", 1);
2621 const unsigned char *proto;
2622 unsigned int proto_len;
2623 SSL_get0_alpn_selected(s, &proto, &proto_len);
2624 if (proto_len > 0) {
2625 BIO_printf(bio, "ALPN protocol: ");
2626 BIO_write(bio, proto, proto_len);
2627 BIO_write(bio, "\n", 1);
2629 BIO_printf(bio, "No ALPN negotiated\n");
2632 #ifndef OPENSSL_NO_SRTP
2634 SRTP_PROTECTION_PROFILE *srtp_profile =
2635 SSL_get_selected_srtp_profile(s);
2638 BIO_printf(bio, "SRTP Extension negotiated, profile=%s\n",
2639 srtp_profile->name);
2643 SSL_SESSION_print(bio, SSL_get_session(s));
2644 if (keymatexportlabel != NULL) {
2645 BIO_printf(bio, "Keying material exporter:\n");
2646 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel);
2647 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen);
2648 exportedkeymat = app_malloc(keymatexportlen, "export key");
2649 if (!SSL_export_keying_material(s, exportedkeymat,
2652 strlen(keymatexportlabel),
2654 BIO_printf(bio, " Error\n");
2656 BIO_printf(bio, " Keying material: ");
2657 for (i = 0; i < keymatexportlen; i++)
2658 BIO_printf(bio, "%02X", exportedkeymat[i]);
2659 BIO_printf(bio, "\n");
2661 OPENSSL_free(exportedkeymat);
2663 BIO_printf(bio, "---\n");
2665 /* flush, or debugging output gets mixed with http response */
2666 (void)BIO_flush(bio);
2669 static int ocsp_resp_cb(SSL *s, void *arg)
2671 const unsigned char *p;
2674 len = SSL_get_tlsext_status_ocsp_resp(s, &p);
2675 BIO_puts(arg, "OCSP response: ");
2677 BIO_puts(arg, "no response sent\n");
2680 rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
2682 BIO_puts(arg, "response parse error\n");
2683 BIO_dump_indent(arg, (char *)p, len, 4);
2686 BIO_puts(arg, "\n======================================\n");
2687 OCSP_RESPONSE_print(arg, rsp, 0);
2688 BIO_puts(arg, "======================================\n");
2689 OCSP_RESPONSE_free(rsp);