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 unsigned int split_send_fragment = 0;
192 static unsigned int max_pipelines = 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,
659 OPT_ASYNC, OPT_SPLIT_SEND_FRAG, OPT_MAX_PIPELINES, OPT_READ_BUF,
663 OPT_FALLBACKSCSV, OPT_NOCMDS, OPT_PROXY, OPT_DANE_TLSA_DOMAIN,
664 #ifndef OPENSSL_NO_CT
665 OPT_NOCT, OPT_REQUESTCT, OPT_REQUIRECT, OPT_CTLOG_FILE,
670 OPTIONS s_client_options[] = {
671 {"help", OPT_HELP, '-', "Display this summary"},
672 {"host", OPT_HOST, 's', "Use -connect instead"},
673 {"port", OPT_PORT, 'p', "Use -connect instead"},
674 {"connect", OPT_CONNECT, 's',
675 "TCP/IP where to connect (default is :" PORT ")"},
676 {"proxy", OPT_PROXY, 's',
677 "Connect to via specified proxy to the real server"},
679 {"unix", OPT_UNIX, 's', "Connect over unix domain sockets"},
681 {"4", OPT_4, '-', "Use IPv4 only"},
682 {"6", OPT_6, '-', "Use IPv6 only"},
683 {"verify", OPT_VERIFY, 'p', "Turn on peer certificate verification"},
684 {"cert", OPT_CERT, '<', "Certificate file to use, PEM format assumed"},
685 {"certform", OPT_CERTFORM, 'F',
686 "Certificate format (PEM or DER) PEM default"},
687 {"key", OPT_KEY, '<', "Private key file to use, if not in -cert file"},
688 {"keyform", OPT_KEYFORM, 'F', "Key format (PEM or DER) PEM default"},
689 {"pass", OPT_PASS, 's', "Private key file pass phrase source"},
690 {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
691 {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
692 {"no-CAfile", OPT_NOCAFILE, '-',
693 "Do not load the default certificates file"},
694 {"no-CApath", OPT_NOCAPATH, '-',
695 "Do not load certificates from the default certificates directory"},
696 {"dane_tlsa_domain", OPT_DANE_TLSA_DOMAIN, 's', "DANE TLSA base domain"},
697 {"dane_tlsa_rrdata", OPT_DANE_TLSA_RRDATA, 's',
698 "DANE TLSA rrdata presentation form"},
699 {"reconnect", OPT_RECONNECT, '-',
700 "Drop and re-make the connection with the same Session-ID"},
701 {"showcerts", OPT_SHOWCERTS, '-', "Show all certificates in the chain"},
702 {"debug", OPT_DEBUG, '-', "Extra output"},
703 {"msg", OPT_MSG, '-', "Show protocol messages"},
704 {"msgfile", OPT_MSGFILE, '>',
705 "File to send output of -msg or -trace, instead of stdout"},
706 {"nbio_test", OPT_NBIO_TEST, '-', "More ssl protocol testing"},
707 {"state", OPT_STATE, '-', "Print the ssl states"},
708 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"},
709 {"quiet", OPT_QUIET, '-', "No s_client output"},
710 {"ign_eof", OPT_IGN_EOF, '-', "Ignore input eof (default when -quiet)"},
711 {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Don't ignore input eof"},
712 {"starttls", OPT_STARTTLS, 's',
713 "Use the appropriate STARTTLS command before starting TLS"},
714 {"xmpphost", OPT_XMPPHOST, 's',
715 "Host to use with \"-starttls xmpp[-server]\""},
716 {"rand", OPT_RAND, 's',
717 "Load the file(s) into the random number generator"},
718 {"sess_out", OPT_SESS_OUT, '>', "File to write SSL session to"},
719 {"sess_in", OPT_SESS_IN, '<', "File to read SSL session from"},
720 {"use_srtp", OPT_USE_SRTP, 's',
721 "Offer SRTP key management with a colon-separated profile list"},
722 {"keymatexport", OPT_KEYMATEXPORT, 's',
723 "Export keying material using label"},
724 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
725 "Export len bytes of keying material (default 20)"},
726 {"fallback_scsv", OPT_FALLBACKSCSV, '-', "Send the fallback SCSV"},
727 {"name", OPT_SMTPHOST, 's', "Hostname to use for \"-starttls smtp\""},
728 {"CRL", OPT_CRL, '<', "CRL file to use"},
729 {"crl_download", OPT_CRL_DOWNLOAD, '-', "Download CRL from distribution points"},
730 {"CRLform", OPT_CRLFORM, 'F', "CRL format (PEM or DER) PEM is default"},
731 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-',
732 "Close connection on verification error"},
733 {"verify_quiet", OPT_VERIFY_QUIET, '-', "Restrict verify output to errors"},
734 {"brief", OPT_BRIEF, '-',
735 "Restrict output to brief summary of connection parameters"},
736 {"prexit", OPT_PREXIT, '-',
737 "Print session information when the program exits"},
738 {"security_debug", OPT_SECURITY_DEBUG, '-',
739 "Enable security debug messages"},
740 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-',
741 "Output more security debug output"},
742 {"cert_chain", OPT_CERT_CHAIN, '<',
743 "Certificate chain file (in PEM format)"},
744 {"chainCApath", OPT_CHAINCAPATH, '/',
745 "Use dir as certificate store path to build CA certificate chain"},
746 {"verifyCApath", OPT_VERIFYCAPATH, '/',
747 "Use dir as certificate store path to verify CA certificate"},
748 {"build_chain", OPT_BUILD_CHAIN, '-', "Build certificate chain"},
749 {"chainCAfile", OPT_CHAINCAFILE, '<',
750 "CA file for certificate chain (PEM format)"},
751 {"verifyCAfile", OPT_VERIFYCAFILE, '<',
752 "CA file for certificate verification (PEM format)"},
753 {"nocommands", OPT_NOCMDS, '-', "Do not use interactive command letters"},
754 {"servername", OPT_SERVERNAME, 's',
755 "Set TLS extension servername in ClientHello"},
756 {"tlsextdebug", OPT_TLSEXTDEBUG, '-',
757 "Hex dump of all TLS extensions received"},
758 {"status", OPT_STATUS, '-', "Request certificate status from server"},
759 {"serverinfo", OPT_SERVERINFO, 's',
760 "types Send empty ClientHello extensions (comma-separated numbers)"},
761 {"alpn", OPT_ALPN, 's',
762 "Enable ALPN extension, considering named protocols supported (comma-separated list)"},
763 {"async", OPT_ASYNC, '-', "Support asynchronous operation"},
764 {"ssl_config", OPT_SSL_CONFIG, 's', "Use specified configuration file"},
765 {"split_send_frag", OPT_SPLIT_SEND_FRAG, 'n',
766 "Size used to split data for encrypt pipelines"},
767 {"max_pipelines", OPT_MAX_PIPELINES, 'n',
768 "Maximum number of encrypt/decrypt pipelines to be used"},
769 {"read_buf", OPT_READ_BUF, 'n',
770 "Default read buffer size to be used for connections"},
774 #ifndef OPENSSL_NO_SSL3
775 {"ssl3", OPT_SSL3, '-', "Just use SSLv3"},
777 #ifndef OPENSSL_NO_TLS1
778 {"tls1", OPT_TLS1, '-', "Just use TLSv1"},
780 #ifndef OPENSSL_NO_TLS1_1
781 {"tls1_1", OPT_TLS1_1, '-', "Just use TLSv1.1"},
783 #ifndef OPENSSL_NO_TLS1_2
784 {"tls1_2", OPT_TLS1_2, '-', "Just use TLSv1.2"},
786 #ifndef OPENSSL_NO_DTLS
787 {"dtls", OPT_DTLS, '-', "Use any version of DTLS"},
788 {"timeout", OPT_TIMEOUT, '-',
789 "Enable send/receive timeout on DTLS connections"},
790 {"mtu", OPT_MTU, 'p', "Set the link layer MTU"},
792 #ifndef OPENSSL_NO_DTLS1
793 {"dtls1", OPT_DTLS1, '-', "Just use DTLSv1"},
795 #ifndef OPENSSL_NO_DTLS1_2
796 {"dtls1_2", OPT_DTLS1_2, '-', "Just use DTLSv1.2"},
798 #ifndef OPENSSL_NO_SSL_TRACE
799 {"trace", OPT_TRACE, '-', "Show trace output of protocol messages"},
802 {"wdebug", OPT_WDEBUG, '-', "WATT-32 tcp debugging"},
804 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"},
805 #ifndef OPENSSL_NO_PSK
806 {"psk_identity", OPT_PSK_IDENTITY, 's', "PSK identity"},
807 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"},
809 #ifndef OPENSSL_NO_SRP
810 {"srpuser", OPT_SRPUSER, 's', "SRP authentification for 'user'"},
811 {"srppass", OPT_SRPPASS, 's', "Password for 'user'"},
812 {"srp_lateuser", OPT_SRP_LATEUSER, '-',
813 "SRP username into second ClientHello message"},
814 {"srp_moregroups", OPT_SRP_MOREGROUPS, '-',
815 "Tolerate other than the known g N values."},
816 {"srp_strength", OPT_SRP_STRENGTH, 'p', "Minimal length in bits for N"},
818 #ifndef OPENSSL_NO_NEXTPROTONEG
819 {"nextprotoneg", OPT_NEXTPROTONEG, 's',
820 "Enable NPN extension, considering named protocols supported (comma-separated list)"},
822 #ifndef OPENSSL_NO_ENGINE
823 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
824 {"ssl_client_engine", OPT_SSL_CLIENT_ENGINE, 's',
825 "Specify engine to be used for client certificate operations"},
827 #ifndef OPENSSL_NO_CT
828 {"noct", OPT_NOCT, '-', "Do not request or parse SCTs (default)"},
829 {"requestct", OPT_REQUESTCT, '-', "Request SCTs (enables OCSP stapling)"},
830 {"requirect", OPT_REQUIRECT, '-', "Require at least 1 SCT (enables OCSP stapling)"},
831 {"ctlogfile", OPT_CTLOG_FILE, '<', "CT log list CONF file"},
836 typedef enum PROTOCOL_choice {
849 static OPT_PAIR services[] = {
850 {"smtp", PROTO_SMTP},
851 {"pop3", PROTO_POP3},
852 {"imap", PROTO_IMAP},
854 {"xmpp", PROTO_XMPP},
855 {"xmpp-server", PROTO_XMPP_SERVER},
856 {"telnet", PROTO_TELNET},
861 int s_client_main(int argc, char **argv)
864 EVP_PKEY *key = NULL;
867 STACK_OF(X509) *chain = NULL;
869 X509_VERIFY_PARAM *vpm = NULL;
870 SSL_EXCERT *exc = NULL;
871 SSL_CONF_CTX *cctx = NULL;
872 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
873 char *dane_tlsa_domain = NULL;
874 STACK_OF(OPENSSL_STRING) *dane_tlsa_rrset = NULL;
875 STACK_OF(X509_CRL) *crls = NULL;
876 const SSL_METHOD *meth = TLS_client_method();
877 char *CApath = NULL, *CAfile = NULL, *cbuf = NULL, *sbuf = NULL;
878 char *mbuf = NULL, *proxystr = NULL, *connectstr = NULL;
879 char *cert_file = NULL, *key_file = NULL, *chain_file = NULL;
880 char *chCApath = NULL, *chCAfile = NULL, *host = NULL;
881 char *port = BUF_strdup(PORT);
883 char *passarg = NULL, *pass = NULL, *vfyCApath = NULL, *vfyCAfile = NULL;
884 char *sess_in = NULL, *sess_out = NULL, *crl_file = NULL, *p;
885 char *xmpphost = NULL;
886 const char *ehlo = "mail.example.com";
887 struct sockaddr peer;
888 struct timeval timeout, *timeoutp;
889 fd_set readfds, writefds;
890 int noCApath = 0, noCAfile = 0;
891 int build_chain = 0, cbuf_len, cbuf_off, cert_format = FORMAT_PEM;
892 int key_format = FORMAT_PEM, crlf = 0, full_log = 1, mbuf_len = 0;
894 int enable_timeouts = 0, sdebug = 0, peerlen = sizeof peer;
895 int reconnect = 0, verify = SSL_VERIFY_NONE, vpmtouched = 0;
896 int ret = 1, in_init = 1, i, nbio_test = 0, s = -1, k, width, state = 0;
897 int sbuf_len, sbuf_off, cmdletters = 1;
898 int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM;
899 int starttls_proto = PROTO_OFF, crl_format = FORMAT_PEM, crl_download = 0;
900 int write_tty, read_tty, write_ssl, read_ssl, tty_on, ssl_pending;
901 int read_buf_len = 0;
902 int fallback_scsv = 0;
903 long socket_mtu = 0, randamt = 0;
905 #ifndef OPENSSL_NO_ENGINE
906 ENGINE *ssl_client_engine = NULL;
909 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
912 char *servername = NULL;
913 const char *alpn_in = NULL;
914 tlsextctx tlsextcbp = { NULL, 0 };
915 const char *ssl_config = NULL;
916 #define MAX_SI_TYPES 100
917 unsigned short serverinfo_types[MAX_SI_TYPES];
918 int serverinfo_count = 0, start = 0, len;
919 #ifndef OPENSSL_NO_NEXTPROTONEG
920 const char *next_proto_neg_in = NULL;
922 #ifndef OPENSSL_NO_SRP
923 char *srppass = NULL;
924 int srp_lateuser = 0;
925 SRP_ARG srp_arg = { NULL, NULL, 0, 0, 0, 1024 };
927 #ifndef OPENSSL_NO_CT
928 char *ctlog_file = NULL;
929 ct_validation_cb ct_validation = NULL;
931 int min_version = 0, max_version = 0;
935 /* Known false-positive of MemorySanitizer. */
936 #if defined(__has_feature)
937 # if __has_feature(memory_sanitizer)
938 __msan_unpoison(&readfds, sizeof(readfds));
939 __msan_unpoison(&writefds, sizeof(writefds));
943 prog = opt_progname(argv[0]);
951 verify_error = X509_V_OK;
952 vpm = X509_VERIFY_PARAM_new();
953 cbuf = app_malloc(BUFSIZZ, "cbuf");
954 sbuf = app_malloc(BUFSIZZ, "sbuf");
955 mbuf = app_malloc(BUFSIZZ, "mbuf");
956 cctx = SSL_CONF_CTX_new();
958 if (vpm == NULL || cctx == NULL) {
959 BIO_printf(bio_err, "%s: out of memory\n", prog);
963 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT | SSL_CONF_FLAG_CMDLINE);
965 prog = opt_init(argc, argv, s_client_options);
966 while ((o = opt_next()) != OPT_EOF) {
971 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
974 opt_help(s_client_options);
979 if (socket_family == AF_UNIX) {
980 OPENSSL_free(host); host = NULL;
981 OPENSSL_free(port); port = NULL;
984 socket_family = AF_INET;
990 if (socket_family == AF_UNIX) {
991 OPENSSL_free(host); host = NULL;
992 OPENSSL_free(port); port = NULL;
995 socket_family = AF_INET6;
998 BIO_printf(bio_err, "%s: IPv6 domain sockets unsupported\n", prog);
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(host); host = BUF_strdup(opt_arg());
1014 if (socket_family == AF_UNIX) {
1015 OPENSSL_free(host); host = NULL;
1016 OPENSSL_free(port); port = NULL;
1017 socket_family = AF_UNSPEC;
1020 OPENSSL_free(port); port = BUF_strdup(opt_arg());
1024 if (socket_family == AF_UNIX) {
1025 socket_family = AF_UNSPEC;
1028 OPENSSL_free(host); host = NULL;
1029 OPENSSL_free(port); port = NULL;
1030 connectstr = opt_arg();
1033 proxystr = opt_arg();
1034 starttls_proto = PROTO_CONNECT;
1038 socket_family = AF_UNIX;
1039 OPENSSL_free(host); host = BUF_strdup(opt_arg());
1040 OPENSSL_free(port); port = NULL;
1044 xmpphost = opt_arg();
1050 verify = SSL_VERIFY_PEER;
1051 verify_depth = atoi(opt_arg());
1053 BIO_printf(bio_err, "verify depth is %d\n", verify_depth);
1056 cert_file = opt_arg();
1059 crl_file = opt_arg();
1061 case OPT_CRL_DOWNLOAD:
1065 sess_out = opt_arg();
1068 sess_in = opt_arg();
1071 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &cert_format))
1075 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
1078 case OPT_VERIFY_RET_ERROR:
1079 verify_return_error = 1;
1081 case OPT_VERIFY_QUIET:
1085 c_brief = verify_quiet = c_quiet = 1;
1088 if (ssl_args == NULL)
1089 ssl_args = sk_OPENSSL_STRING_new_null();
1090 if (ssl_args == NULL
1091 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
1092 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
1093 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1098 if (!opt_verify(o, vpm))
1103 if (!args_excert(o, &exc))
1113 c_quiet = c_ign_eof = 1;
1122 e = setup_engine(opt_arg(), 1);
1124 case OPT_SSL_CLIENT_ENGINE:
1125 #ifndef OPENSSL_NO_ENGINE
1126 ssl_client_engine = ENGINE_by_id(opt_arg());
1127 if (ssl_client_engine == NULL) {
1128 BIO_printf(bio_err, "Error getting client auth engine\n");
1140 case OPT_NO_IGN_EOF:
1146 case OPT_TLSEXTDEBUG:
1161 bio_c_msg = BIO_new_file(opt_arg(), "w");
1164 #ifndef OPENSSL_NO_SSL_TRACE
1168 case OPT_SECURITY_DEBUG:
1171 case OPT_SECURITY_DEBUG_VERBOSE:
1183 #ifndef OPENSSL_NO_PSK
1184 case OPT_PSK_IDENTITY:
1185 psk_identity = opt_arg();
1188 for (p = psk_key = opt_arg(); *p; p++) {
1189 if (isxdigit(_UC(*p)))
1191 BIO_printf(bio_err, "Not a hex number '%s'\n", psk_key);
1196 case OPT_PSK_IDENTITY:
1200 #ifndef OPENSSL_NO_SRP
1202 srp_arg.srplogin = opt_arg();
1203 if (min_version < TLS1_VERSION)
1204 min_version = TLS1_VERSION;
1207 srppass = opt_arg();
1208 if (min_version < TLS1_VERSION)
1209 min_version = TLS1_VERSION;
1211 case OPT_SRP_STRENGTH:
1212 srp_arg.strength = atoi(opt_arg());
1213 BIO_printf(bio_err, "SRP minimal length for N is %d\n",
1215 if (min_version < TLS1_VERSION)
1216 min_version = TLS1_VERSION;
1218 case OPT_SRP_LATEUSER:
1220 if (min_version < TLS1_VERSION)
1221 min_version = TLS1_VERSION;
1223 case OPT_SRP_MOREGROUPS:
1225 if (min_version < TLS1_VERSION)
1226 min_version = TLS1_VERSION;
1231 case OPT_SRP_STRENGTH:
1232 case OPT_SRP_LATEUSER:
1233 case OPT_SRP_MOREGROUPS:
1236 case OPT_SSL_CONFIG:
1237 ssl_config = opt_arg();
1240 min_version = SSL3_VERSION;
1241 max_version = SSL3_VERSION;
1244 min_version = TLS1_2_VERSION;
1245 max_version = TLS1_2_VERSION;
1248 min_version = TLS1_1_VERSION;
1249 max_version = TLS1_1_VERSION;
1252 min_version = TLS1_VERSION;
1253 max_version = TLS1_VERSION;
1256 #ifndef OPENSSL_NO_DTLS
1257 meth = DTLS_client_method();
1258 socket_type = SOCK_DGRAM;
1262 #ifndef OPENSSL_NO_DTLS1
1263 meth = DTLS_client_method();
1264 min_version = DTLS1_VERSION;
1265 max_version = DTLS1_VERSION;
1266 socket_type = SOCK_DGRAM;
1270 #ifndef OPENSSL_NO_DTLS1_2
1271 meth = DTLS_client_method();
1272 min_version = DTLS1_2_VERSION;
1273 max_version = DTLS1_2_VERSION;
1274 socket_type = SOCK_DGRAM;
1278 #ifndef OPENSSL_NO_DTLS
1279 enable_timeouts = 1;
1283 #ifndef OPENSSL_NO_DTLS
1284 socket_mtu = atol(opt_arg());
1287 case OPT_FALLBACKSCSV:
1291 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &key_format))
1295 passarg = opt_arg();
1297 case OPT_CERT_CHAIN:
1298 chain_file = opt_arg();
1301 key_file = opt_arg();
1312 case OPT_CHAINCAPATH:
1313 chCApath = opt_arg();
1315 case OPT_VERIFYCAPATH:
1316 vfyCApath = opt_arg();
1318 case OPT_BUILD_CHAIN:
1327 #ifndef OPENSSL_NO_CT
1329 ct_validation = NULL;
1332 ct_validation = CT_verify_no_bad_scts;
1335 ct_validation = CT_verify_at_least_one_good_sct;
1337 case OPT_CTLOG_FILE:
1338 ctlog_file = opt_arg();
1341 case OPT_CHAINCAFILE:
1342 chCAfile = opt_arg();
1344 case OPT_VERIFYCAFILE:
1345 vfyCAfile = opt_arg();
1347 case OPT_DANE_TLSA_DOMAIN:
1348 dane_tlsa_domain = opt_arg();
1350 case OPT_DANE_TLSA_RRDATA:
1351 if (dane_tlsa_rrset == NULL)
1352 dane_tlsa_rrset = sk_OPENSSL_STRING_new_null();
1353 if (dane_tlsa_rrset == NULL ||
1354 !sk_OPENSSL_STRING_push(dane_tlsa_rrset, opt_arg())) {
1355 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1359 case OPT_NEXTPROTONEG:
1360 next_proto_neg_in = opt_arg();
1363 alpn_in = opt_arg();
1365 case OPT_SERVERINFO:
1368 for (start = 0, i = 0; i <= len; ++i) {
1369 if (i == len || p[i] == ',') {
1370 serverinfo_types[serverinfo_count] = atoi(p + start);
1371 if (++serverinfo_count == MAX_SI_TYPES)
1378 if (!opt_pair(opt_arg(), services, &starttls_proto))
1380 case OPT_SERVERNAME:
1381 servername = opt_arg();
1384 srtp_profiles = opt_arg();
1386 case OPT_KEYMATEXPORT:
1387 keymatexportlabel = opt_arg();
1389 case OPT_KEYMATEXPORTLEN:
1390 keymatexportlen = atoi(opt_arg());
1395 case OPT_SPLIT_SEND_FRAG:
1396 split_send_fragment = atoi(opt_arg());
1397 if (split_send_fragment == 0) {
1399 * Not allowed - set to a deliberately bad value so we get an
1400 * error message below
1402 split_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH + 1;
1405 case OPT_MAX_PIPELINES:
1406 max_pipelines = atoi(opt_arg());
1409 read_buf_len = atoi(opt_arg());
1413 argc = opt_num_rest();
1419 char *tmp_host = host, *tmp_port = port;
1420 if (connectstr == NULL) {
1421 BIO_printf(bio_err, "%s: -proxy requires use of -connect\n", prog);
1424 res = BIO_parse_hostserv(proxystr, &host, &port, BIO_PARSE_PRIO_HOST);
1425 if (tmp_host != host)
1426 OPENSSL_free(tmp_host);
1427 if (tmp_port != port)
1428 OPENSSL_free(tmp_port);
1430 BIO_printf(bio_err, "%s: -proxy argument malformed or ambiguous\n",
1436 char *tmp_host = host, *tmp_port = port;
1437 if (connectstr != NULL)
1438 res = BIO_parse_hostserv(connectstr, &host, &port,
1439 BIO_PARSE_PRIO_HOST);
1440 if (tmp_host != host)
1441 OPENSSL_free(tmp_host);
1442 if (tmp_port != port)
1443 OPENSSL_free(tmp_port);
1446 "%s: -connect argument malformed or ambiguous\n",
1452 if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) {
1454 "Can't use unix sockets and datagrams together\n");
1458 if (split_send_fragment > SSL3_RT_MAX_PLAIN_LENGTH) {
1459 BIO_printf(bio_err, "Bad split send fragment size\n");
1463 if (max_pipelines > SSL_MAX_PIPELINES) {
1464 BIO_printf(bio_err, "Bad max pipelines value\n");
1468 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1469 next_proto.status = -1;
1470 if (next_proto_neg_in) {
1472 next_protos_parse(&next_proto.len, next_proto_neg_in);
1473 if (next_proto.data == NULL) {
1474 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n");
1478 next_proto.data = NULL;
1481 if (!app_passwd(passarg, NULL, &pass, NULL)) {
1482 BIO_printf(bio_err, "Error getting password\n");
1486 if (key_file == NULL)
1487 key_file = cert_file;
1490 key = load_key(key_file, key_format, 0, pass, e,
1491 "client certificate private key file");
1493 ERR_print_errors(bio_err);
1499 cert = load_cert(cert_file, cert_format, "client certificate file");
1501 ERR_print_errors(bio_err);
1507 if (!load_certs(chain_file, &chain, FORMAT_PEM, NULL,
1508 "client certificate chain"))
1514 crl = load_crl(crl_file, crl_format);
1516 BIO_puts(bio_err, "Error loading CRL\n");
1517 ERR_print_errors(bio_err);
1520 crls = sk_X509_CRL_new_null();
1521 if (crls == NULL || !sk_X509_CRL_push(crls, crl)) {
1522 BIO_puts(bio_err, "Error adding CRL\n");
1523 ERR_print_errors(bio_err);
1529 if (!load_excert(&exc))
1532 if (!app_RAND_load_file(NULL, 1) && inrand == NULL
1533 && !RAND_status()) {
1535 "warning, not much extra random data, consider using the -rand option\n");
1537 if (inrand != NULL) {
1538 randamt = app_RAND_load_files(inrand);
1539 BIO_printf(bio_err, "%ld semi-random bytes loaded\n", randamt);
1542 if (bio_c_out == NULL) {
1543 if (c_quiet && !c_debug) {
1544 bio_c_out = BIO_new(BIO_s_null());
1545 if (c_msg && !bio_c_msg)
1546 bio_c_msg = dup_bio_out(FORMAT_TEXT);
1547 } else if (bio_c_out == NULL)
1548 bio_c_out = dup_bio_out(FORMAT_TEXT);
1550 #ifndef OPENSSL_NO_SRP
1551 if (!app_passwd(srppass, NULL, &srp_arg.srppassin, NULL)) {
1552 BIO_printf(bio_err, "Error getting password\n");
1557 ctx = SSL_CTX_new(meth);
1559 ERR_print_errors(bio_err);
1564 ssl_ctx_security_debug(ctx, sdebug);
1567 if (SSL_CTX_config(ctx, ssl_config) == 0) {
1568 BIO_printf(bio_err, "Error using configuration \"%s\"\n",
1570 ERR_print_errors(bio_err);
1575 if (SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
1577 if (SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
1580 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
1581 BIO_printf(bio_err, "Error setting verify params\n");
1582 ERR_print_errors(bio_err);
1587 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
1589 if (split_send_fragment > 0) {
1590 SSL_CTX_set_split_send_fragment(ctx, split_send_fragment);
1592 if (max_pipelines > 0) {
1593 SSL_CTX_set_max_pipelines(ctx, max_pipelines);
1596 if (read_buf_len > 0) {
1597 SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len);
1600 if (!config_ctx(cctx, ssl_args, ctx))
1603 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1604 crls, crl_download)) {
1605 BIO_printf(bio_err, "Error loading store locations\n");
1606 ERR_print_errors(bio_err);
1609 #ifndef OPENSSL_NO_ENGINE
1610 if (ssl_client_engine) {
1611 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine)) {
1612 BIO_puts(bio_err, "Error setting client auth engine\n");
1613 ERR_print_errors(bio_err);
1614 ENGINE_free(ssl_client_engine);
1617 ENGINE_free(ssl_client_engine);
1621 #ifndef OPENSSL_NO_PSK
1622 if (psk_key != NULL) {
1624 BIO_printf(bio_c_out,
1625 "PSK key given, setting client callback\n");
1626 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
1629 #ifndef OPENSSL_NO_SRTP
1630 if (srtp_profiles != NULL) {
1631 /* Returns 0 on success! */
1632 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
1633 BIO_printf(bio_err, "Error setting SRTP profile\n");
1634 ERR_print_errors(bio_err);
1641 ssl_ctx_set_excert(ctx, exc);
1643 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1644 if (next_proto.data)
1645 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
1649 unsigned char *alpn = next_protos_parse(&alpn_len, alpn_in);
1652 BIO_printf(bio_err, "Error parsing -alpn argument\n");
1655 /* Returns 0 on success! */
1656 if (SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len) != 0) {
1657 BIO_printf(bio_err, "Error setting ALPN\n");
1663 for (i = 0; i < serverinfo_count; i++) {
1664 if (!SSL_CTX_add_client_custom_ext(ctx,
1665 serverinfo_types[i],
1667 serverinfo_cli_parse_cb, NULL)) {
1669 "Warning: Unable to add custom extension %u, skipping\n",
1670 serverinfo_types[i]);
1675 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1677 #ifndef OPENSSL_NO_CT
1678 if (!SSL_CTX_set_ct_validation_callback(ctx, ct_validation, NULL)) {
1679 ERR_print_errors(bio_err);
1683 if (!ctx_set_ctlog_list_file(ctx, ctlog_file)) {
1684 if (ct_validation != NULL) {
1685 ERR_print_errors(bio_err);
1690 * If CT validation is not enabled, the log list isn't needed so don't
1691 * show errors or abort. We try to load it regardless because then we
1692 * can show the names of the logs any SCTs came from (SCTs may be seen
1693 * even with validation disabled).
1699 SSL_CTX_set_verify(ctx, verify, verify_callback);
1701 if (!ctx_set_verify_locations(ctx, CAfile, CApath, noCAfile, noCApath)) {
1702 ERR_print_errors(bio_err);
1706 ssl_ctx_add_crls(ctx, crls, crl_download);
1708 if (!set_cert_key_stuff(ctx, cert, key, chain, build_chain))
1711 if (servername != NULL) {
1712 tlsextcbp.biodebug = bio_err;
1713 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1714 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1716 # ifndef OPENSSL_NO_SRP
1717 if (srp_arg.srplogin) {
1718 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin)) {
1719 BIO_printf(bio_err, "Unable to set SRP username\n");
1722 srp_arg.msg = c_msg;
1723 srp_arg.debug = c_debug;
1724 SSL_CTX_set_srp_cb_arg(ctx, &srp_arg);
1725 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb);
1726 SSL_CTX_set_srp_strength(ctx, srp_arg.strength);
1727 if (c_msg || c_debug || srp_arg.amp == 0)
1728 SSL_CTX_set_srp_verify_param_callback(ctx,
1729 ssl_srp_verify_param_cb);
1733 if (dane_tlsa_domain != NULL) {
1734 if (SSL_CTX_dane_enable(ctx) <= 0) {
1736 "%s: Error enabling DANE TLSA authentication.\n", prog);
1737 ERR_print_errors(bio_err);
1745 BIO *stmp = BIO_new_file(sess_in, "r");
1747 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1748 ERR_print_errors(bio_err);
1751 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1754 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1755 ERR_print_errors(bio_err);
1758 if (!SSL_set_session(con, sess)) {
1759 BIO_printf(bio_err, "Can't set session\n");
1760 ERR_print_errors(bio_err);
1763 SSL_SESSION_free(sess);
1767 SSL_set_mode(con, SSL_MODE_SEND_FALLBACK_SCSV);
1769 if (servername != NULL) {
1770 if (!SSL_set_tlsext_host_name(con, servername)) {
1771 BIO_printf(bio_err, "Unable to set TLS servername extension.\n");
1772 ERR_print_errors(bio_err);
1777 if (dane_tlsa_domain != NULL) {
1778 if (SSL_dane_enable(con, dane_tlsa_domain) <= 0) {
1779 BIO_printf(bio_err, "%s: Error enabling DANE TLSA "
1780 "authentication.\n", prog);
1781 ERR_print_errors(bio_err);
1784 if (dane_tlsa_rrset == NULL) {
1785 BIO_printf(bio_err, "%s: DANE TLSA authentication requires at "
1786 "least one -dane_tlsa_rrset option.\n", prog);
1789 if (tlsa_import_rrset(con, dane_tlsa_rrset) <= 0) {
1790 BIO_printf(bio_err, "%s: Failed to import any TLSA "
1791 "records.\n", prog);
1794 } else if (dane_tlsa_rrset != NULL) {
1795 BIO_printf(bio_err, "%s: DANE TLSA authentication requires the "
1796 "-dane_tlsa_domain option.\n", prog);
1801 if (init_client(&s, host, port, socket_family, socket_type) == 0)
1803 BIO_printf(bio_err, "connect:errno=%d\n", get_last_socket_error());
1807 BIO_printf(bio_c_out, "CONNECTED(%08X)\n", s);
1810 if (!BIO_socket_nbio(s, 1)) {
1811 ERR_print_errors(bio_err);
1814 BIO_printf(bio_c_out, "Turned on non blocking io\n");
1816 if (socket_type == SOCK_DGRAM) {
1818 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
1819 if (getsockname(s, &peer, (void *)&peerlen) < 0) {
1820 BIO_printf(bio_err, "getsockname:errno=%d\n",
1821 get_last_socket_error());
1826 (void)BIO_ctrl_set_connected(sbio, &peer);
1828 if (enable_timeouts) {
1830 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1831 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1834 timeout.tv_usec = DGRAM_SND_TIMEOUT;
1835 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1839 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
1840 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
1841 DTLS_get_link_min_mtu(con));
1845 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1846 if (!DTLS_set_link_mtu(con, socket_mtu)) {
1847 BIO_printf(bio_err, "Failed to set MTU\n");
1852 /* want to do MTU discovery */
1853 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1855 sbio = BIO_new_socket(s, BIO_NOCLOSE);
1860 test = BIO_new(BIO_f_nbio_test());
1861 sbio = BIO_push(test, sbio);
1865 BIO_set_callback(sbio, bio_dump_callback);
1866 BIO_set_callback_arg(sbio, (char *)bio_c_out);
1869 #ifndef OPENSSL_NO_SSL_TRACE
1871 SSL_set_msg_callback(con, SSL_trace);
1874 SSL_set_msg_callback(con, msg_cb);
1875 SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out);
1878 if (c_tlsextdebug) {
1879 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1880 SSL_set_tlsext_debug_arg(con, bio_c_out);
1883 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
1884 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
1885 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
1888 SSL_set_bio(con, sbio, sbio);
1889 SSL_set_connect_state(con);
1891 /* ok, lets connect */
1892 width = SSL_get_fd(con) + 1;
1905 switch ((PROTOCOL_CHOICE) starttls_proto) {
1911 * This is an ugly hack that does a lot of assumptions. We do
1912 * have to handle multi-line responses which may come in a single
1913 * packet or not. We therefore have to use BIO_gets() which does
1914 * need a buffering BIO. So during the initial chitchat we do
1915 * push a buffering BIO into the chain that is removed again
1916 * later on to not disturb the rest of the s_client operation.
1919 BIO *fbio = BIO_new(BIO_f_buffer());
1920 BIO_push(fbio, sbio);
1921 /* wait for multi-line response to end from SMTP */
1923 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1925 while (mbuf_len > 3 && mbuf[3] == '-');
1926 BIO_printf(fbio, "EHLO %s\r\n", ehlo);
1927 (void)BIO_flush(fbio);
1928 /* wait for multi-line response to end EHLO SMTP response */
1930 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1931 if (strstr(mbuf, "STARTTLS"))
1934 while (mbuf_len > 3 && mbuf[3] == '-');
1935 (void)BIO_flush(fbio);
1940 "didn't find starttls in server response,"
1941 " trying anyway...\n");
1942 BIO_printf(sbio, "STARTTLS\r\n");
1943 BIO_read(sbio, sbuf, BUFSIZZ);
1948 BIO_read(sbio, mbuf, BUFSIZZ);
1949 BIO_printf(sbio, "STLS\r\n");
1950 mbuf_len = BIO_read(sbio, sbuf, BUFSIZZ);
1952 BIO_printf(bio_err, "BIO_read failed\n");
1960 BIO *fbio = BIO_new(BIO_f_buffer());
1961 BIO_push(fbio, sbio);
1962 BIO_gets(fbio, mbuf, BUFSIZZ);
1963 /* STARTTLS command requires CAPABILITY... */
1964 BIO_printf(fbio, ". CAPABILITY\r\n");
1965 (void)BIO_flush(fbio);
1966 /* wait for multi-line CAPABILITY response */
1968 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1969 if (strstr(mbuf, "STARTTLS"))
1972 while (mbuf_len > 3 && mbuf[0] != '.');
1973 (void)BIO_flush(fbio);
1978 "didn't find STARTTLS in server response,"
1979 " trying anyway...\n");
1980 BIO_printf(sbio, ". STARTTLS\r\n");
1981 BIO_read(sbio, sbuf, BUFSIZZ);
1986 BIO *fbio = BIO_new(BIO_f_buffer());
1987 BIO_push(fbio, sbio);
1988 /* wait for multi-line response to end from FTP */
1990 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1992 while (mbuf_len > 3 && mbuf[3] == '-');
1993 (void)BIO_flush(fbio);
1996 BIO_printf(sbio, "AUTH TLS\r\n");
1997 BIO_read(sbio, sbuf, BUFSIZZ);
2001 case PROTO_XMPP_SERVER:
2004 BIO_printf(sbio, "<stream:stream "
2005 "xmlns:stream='http://etherx.jabber.org/streams' "
2006 "xmlns='jabber:%s' to='%s' version='1.0'>",
2007 starttls_proto == PROTO_XMPP ? "client" : "server",
2008 xmpphost ? xmpphost : host);
2009 seen = BIO_read(sbio, mbuf, BUFSIZZ);
2012 (mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")
2014 "<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\""))
2016 seen = BIO_read(sbio, mbuf, BUFSIZZ);
2024 "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
2025 seen = BIO_read(sbio, sbuf, BUFSIZZ);
2027 if (!strstr(sbuf, "<proceed"))
2034 static const unsigned char tls_do[] = {
2035 /* IAC DO START_TLS */
2038 static const unsigned char tls_will[] = {
2039 /* IAC WILL START_TLS */
2042 static const unsigned char tls_follows[] = {
2043 /* IAC SB START_TLS FOLLOWS IAC SE */
2044 255, 250, 46, 1, 255, 240
2048 /* Telnet server should demand we issue START_TLS */
2049 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
2050 if (bytes != 3 || memcmp(mbuf, tls_do, 3) != 0)
2052 /* Agree to issue START_TLS and send the FOLLOWS sub-command */
2053 BIO_write(sbio, tls_will, 3);
2054 BIO_write(sbio, tls_follows, 6);
2055 (void)BIO_flush(sbio);
2056 /* Telnet server also sent the FOLLOWS sub-command */
2057 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
2058 if (bytes != 6 || memcmp(mbuf, tls_follows, 6) != 0)
2065 BIO *fbio = BIO_new(BIO_f_buffer());
2067 BIO_push(fbio, sbio);
2068 BIO_printf(fbio, "CONNECT %s\r\n\r\n", connectstr);
2069 (void)BIO_flush(fbio);
2070 /* wait for multi-line response to end CONNECT response */
2072 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2073 if (strstr(mbuf, "200") != NULL
2074 && strstr(mbuf, "established") != NULL)
2076 } while (mbuf_len > 3 && foundit == 0);
2077 (void)BIO_flush(fbio);
2081 BIO_printf(bio_err, "%s: HTTP CONNECT failed\n", prog);
2089 BIO *fbio = BIO_new(BIO_f_buffer());
2091 BIO_push(fbio, sbio);
2092 BIO_printf(fbio, "STARTTLS\r\n");
2093 (void)BIO_flush(fbio);
2094 width = SSL_get_fd(con) + 1;
2100 openssl_fdset(SSL_get_fd(con), &readfds);
2101 timeout.tv_sec = S_CLIENT_IRC_READ_TIMEOUT;
2102 timeout.tv_usec = 0;
2104 * If the IRCd doesn't respond within
2105 * S_CLIENT_IRC_READ_TIMEOUT seconds, assume
2106 * it doesn't support STARTTLS. Many IRCds
2107 * will not give _any_ sort of response to a
2108 * STARTTLS command when it's not supported.
2110 if (!BIO_get_buffer_num_lines(fbio)
2111 && !BIO_pending(fbio)
2112 && !BIO_pending(sbio)
2113 && select(width, (void *)&readfds, NULL, NULL,
2116 "Timeout waiting for response (%d seconds).\n",
2117 S_CLIENT_IRC_READ_TIMEOUT);
2121 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2122 if (mbuf_len < 1 || sscanf(mbuf, "%*s %d", &numeric) != 1)
2124 /* :example.net 451 STARTTLS :You have not registered */
2125 /* :example.net 421 STARTTLS :Unknown command */
2126 if ((numeric == 451 || numeric == 421)
2127 && strstr(mbuf, "STARTTLS") != NULL) {
2128 BIO_printf(bio_err, "STARTTLS not supported: %s", mbuf);
2131 if (numeric == 691) {
2132 BIO_printf(bio_err, "STARTTLS negotiation failed: ");
2133 ERR_print_errors(bio_err);
2136 } while (numeric != 670);
2138 (void)BIO_flush(fbio);
2141 if (numeric != 670) {
2142 BIO_printf(bio_err, "Server does not support STARTTLS.\n");
2153 if ((SSL_version(con) == DTLS1_VERSION) &&
2154 DTLSv1_get_timeout(con, &timeout))
2155 timeoutp = &timeout;
2159 if (SSL_in_init(con) && !SSL_total_renegotiations(con)) {
2167 if (servername != NULL && !SSL_session_reused(con)) {
2168 BIO_printf(bio_c_out,
2169 "Server did %sacknowledge servername extension.\n",
2170 tlsextcbp.ack ? "" : "not ");
2174 BIO *stmp = BIO_new_file(sess_out, "w");
2176 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));
2179 BIO_printf(bio_err, "Error writing session file %s\n",
2183 BIO_puts(bio_err, "CONNECTION ESTABLISHED\n");
2184 print_ssl_summary(con);
2187 print_stuff(bio_c_out, con, full_log);
2191 if (starttls_proto) {
2192 BIO_write(bio_err, mbuf, mbuf_len);
2193 /* We don't need to know any more */
2195 starttls_proto = PROTO_OFF;
2200 BIO_printf(bio_c_out,
2201 "drop connection and then reconnect\n");
2202 do_ssl_shutdown(con);
2203 SSL_set_connect_state(con);
2204 BIO_closesocket(SSL_get_fd(con));
2210 ssl_pending = read_ssl && SSL_has_pending(con);
2213 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE)
2216 openssl_fdset(fileno(stdin), &readfds);
2218 openssl_fdset(fileno(stdout), &writefds);
2221 openssl_fdset(SSL_get_fd(con), &readfds);
2223 openssl_fdset(SSL_get_fd(con), &writefds);
2225 if (!tty_on || !write_tty) {
2227 openssl_fdset(SSL_get_fd(con), &readfds);
2229 openssl_fdset(SSL_get_fd(con), &writefds);
2234 * Note: under VMS with SOCKETSHR the second parameter is
2235 * currently of type (int *) whereas under other systems it is
2236 * (void *) if you don't have a cast it will choke the compiler:
2237 * if you do have a cast then you can either go for (int *) or
2240 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2242 * Under Windows/DOS we make the assumption that we can always
2243 * write to the tty: therefore if we need to write to the tty we
2244 * just fall through. Otherwise we timeout the select every
2245 * second and see if there are any keypresses. Note: this is a
2246 * hack, in a proper Windows application we wouldn't do this.
2253 i = select(width, (void *)&readfds, (void *)&writefds,
2255 # if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
2256 if (!i && (!_kbhit() || !read_tty))
2259 if (!i && (!((_kbhit())
2260 || (WAIT_OBJECT_0 ==
2261 WaitForSingleObject(GetStdHandle
2268 i = select(width, (void *)&readfds, (void *)&writefds,
2271 #elif defined(OPENSSL_SYS_NETWARE)
2276 i = select(width, (void *)&readfds, (void *)&writefds,
2279 i = select(width, (void *)&readfds, (void *)&writefds,
2283 i = select(width, (void *)&readfds, (void *)&writefds,
2287 BIO_printf(bio_err, "bad select %d\n",
2288 get_last_socket_error());
2294 if ((SSL_version(con) == DTLS1_VERSION)
2295 && DTLSv1_handle_timeout(con) > 0) {
2296 BIO_printf(bio_err, "TIMEOUT occurred\n");
2299 if (!ssl_pending && FD_ISSET(SSL_get_fd(con), &writefds)) {
2300 k = SSL_write(con, &(cbuf[cbuf_off]), (unsigned int)cbuf_len);
2301 switch (SSL_get_error(con, k)) {
2302 case SSL_ERROR_NONE:
2307 /* we have done a write(con,NULL,0); */
2308 if (cbuf_len <= 0) {
2311 } else { /* if (cbuf_len > 0) */
2317 case SSL_ERROR_WANT_WRITE:
2318 BIO_printf(bio_c_out, "write W BLOCK\n");
2322 case SSL_ERROR_WANT_ASYNC:
2323 BIO_printf(bio_c_out, "write A BLOCK\n");
2324 wait_for_async(con);
2328 case SSL_ERROR_WANT_READ:
2329 BIO_printf(bio_c_out, "write R BLOCK\n");
2334 case SSL_ERROR_WANT_X509_LOOKUP:
2335 BIO_printf(bio_c_out, "write X BLOCK\n");
2337 case SSL_ERROR_ZERO_RETURN:
2338 if (cbuf_len != 0) {
2339 BIO_printf(bio_c_out, "shutdown\n");
2348 case SSL_ERROR_SYSCALL:
2349 if ((k != 0) || (cbuf_len != 0)) {
2350 BIO_printf(bio_err, "write:errno=%d\n",
2351 get_last_socket_error());
2359 ERR_print_errors(bio_err);
2363 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
2364 /* Assume Windows/DOS/BeOS can always write */
2365 else if (!ssl_pending && write_tty)
2367 else if (!ssl_pending && FD_ISSET(fileno(stdout), &writefds))
2370 #ifdef CHARSET_EBCDIC
2371 ascii2ebcdic(&(sbuf[sbuf_off]), &(sbuf[sbuf_off]), sbuf_len);
2373 i = raw_write_stdout(&(sbuf[sbuf_off]), sbuf_len);
2376 BIO_printf(bio_c_out, "DONE\n");
2384 if (sbuf_len <= 0) {
2388 } else if (ssl_pending || FD_ISSET(SSL_get_fd(con), &readfds)) {
2393 SSL_renegotiate(con);
2398 k = SSL_read(con, sbuf, 1024 /* BUFSIZZ */ );
2400 switch (SSL_get_error(con, k)) {
2401 case SSL_ERROR_NONE:
2410 case SSL_ERROR_WANT_ASYNC:
2411 BIO_printf(bio_c_out, "read A BLOCK\n");
2412 wait_for_async(con);
2415 if ((read_tty == 0) && (write_ssl == 0))
2418 case SSL_ERROR_WANT_WRITE:
2419 BIO_printf(bio_c_out, "read W BLOCK\n");
2423 case SSL_ERROR_WANT_READ:
2424 BIO_printf(bio_c_out, "read R BLOCK\n");
2427 if ((read_tty == 0) && (write_ssl == 0))
2430 case SSL_ERROR_WANT_X509_LOOKUP:
2431 BIO_printf(bio_c_out, "read X BLOCK\n");
2433 case SSL_ERROR_SYSCALL:
2434 ret = get_last_socket_error();
2436 BIO_puts(bio_err, "CONNECTION CLOSED BY SERVER\n");
2438 BIO_printf(bio_err, "read:errno=%d\n", ret);
2440 case SSL_ERROR_ZERO_RETURN:
2441 BIO_printf(bio_c_out, "closed\n");
2445 ERR_print_errors(bio_err);
2450 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2451 # if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
2455 || (WAIT_OBJECT_0 ==
2456 WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
2458 #elif defined (OPENSSL_SYS_NETWARE)
2461 else if (FD_ISSET(fileno(stdin), &readfds))
2467 i = raw_read_stdin(cbuf, BUFSIZZ / 2);
2469 /* both loops are skipped when i <= 0 */
2470 for (j = 0; j < i; j++)
2471 if (cbuf[j] == '\n')
2473 for (j = i - 1; j >= 0; j--) {
2474 cbuf[j + lf_num] = cbuf[j];
2475 if (cbuf[j] == '\n') {
2478 cbuf[j + lf_num] = '\r';
2481 assert(lf_num == 0);
2483 i = raw_read_stdin(cbuf, BUFSIZZ);
2485 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q' && cmdletters))) {
2486 BIO_printf(bio_err, "DONE\n");
2491 if ((!c_ign_eof) && (cbuf[0] == 'R' && cmdletters)) {
2492 BIO_printf(bio_err, "RENEGOTIATING\n");
2493 SSL_renegotiate(con);
2496 #ifndef OPENSSL_NO_HEARTBEATS
2497 else if ((!c_ign_eof) && (cbuf[0] == 'B' && cmdletters)) {
2498 BIO_printf(bio_err, "HEARTBEATING\n");
2506 #ifdef CHARSET_EBCDIC
2507 ebcdic2ascii(cbuf, cbuf, i);
2519 print_stuff(bio_c_out, con, full_log);
2520 do_ssl_shutdown(con);
2521 BIO_closesocket(SSL_get_fd(con));
2525 print_stuff(bio_c_out, con, 1);
2528 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2529 OPENSSL_free(next_proto.data);
2533 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2535 sk_X509_pop_free(chain, X509_free);
2537 #ifndef OPENSSL_NO_SRP
2538 OPENSSL_free(srp_arg.srppassin);
2542 X509_VERIFY_PARAM_free(vpm);
2543 ssl_excert_free(exc);
2544 sk_OPENSSL_STRING_free(ssl_args);
2545 sk_OPENSSL_STRING_free(dane_tlsa_rrset);
2546 SSL_CONF_CTX_free(cctx);
2547 OPENSSL_clear_free(cbuf, BUFSIZZ);
2548 OPENSSL_clear_free(sbuf, BUFSIZZ);
2549 OPENSSL_clear_free(mbuf, BUFSIZZ);
2550 BIO_free(bio_c_out);
2552 BIO_free(bio_c_msg);
2557 static void print_stuff(BIO *bio, SSL *s, int full)
2562 STACK_OF(X509_NAME) *sk2;
2563 const SSL_CIPHER *c;
2566 #ifndef OPENSSL_NO_COMP
2567 const COMP_METHOD *comp, *expansion;
2569 unsigned char *exportedkeymat;
2570 #ifndef OPENSSL_NO_CT
2571 const STACK_OF(SCT) *scts;
2572 const SSL_CTX *ctx = SSL_get_SSL_CTX(s);
2576 int got_a_chain = 0;
2578 sk = SSL_get_peer_cert_chain(s);
2582 BIO_printf(bio, "---\nCertificate chain\n");
2583 for (i = 0; i < sk_X509_num(sk); i++) {
2584 X509_NAME_oneline(X509_get_subject_name(sk_X509_value(sk, i)),
2586 BIO_printf(bio, "%2d s:%s\n", i, buf);
2587 X509_NAME_oneline(X509_get_issuer_name(sk_X509_value(sk, i)),
2589 BIO_printf(bio, " i:%s\n", buf);
2591 PEM_write_bio_X509(bio, sk_X509_value(sk, i));
2595 BIO_printf(bio, "---\n");
2596 peer = SSL_get_peer_certificate(s);
2598 BIO_printf(bio, "Server certificate\n");
2600 /* Redundant if we showed the whole chain */
2601 if (!(c_showcerts && got_a_chain))
2602 PEM_write_bio_X509(bio, peer);
2603 X509_NAME_oneline(X509_get_subject_name(peer), buf, sizeof buf);
2604 BIO_printf(bio, "subject=%s\n", buf);
2605 X509_NAME_oneline(X509_get_issuer_name(peer), buf, sizeof buf);
2606 BIO_printf(bio, "issuer=%s\n", buf);
2608 BIO_printf(bio, "no peer certificate available\n");
2610 sk2 = SSL_get_client_CA_list(s);
2611 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0)) {
2612 BIO_printf(bio, "---\nAcceptable client certificate CA names\n");
2613 for (i = 0; i < sk_X509_NAME_num(sk2); i++) {
2614 xn = sk_X509_NAME_value(sk2, i);
2615 X509_NAME_oneline(xn, buf, sizeof(buf));
2616 BIO_write(bio, buf, strlen(buf));
2617 BIO_write(bio, "\n", 1);
2620 BIO_printf(bio, "---\nNo client certificate CA names sent\n");
2623 ssl_print_sigalgs(bio, s);
2624 ssl_print_tmp_key(bio, s);
2626 #ifndef OPENSSL_NO_CT
2627 scts = SSL_get0_peer_scts(s);
2628 BIO_printf(bio, "---\nSCTs present (%i)\n",
2629 scts != NULL ? sk_SCT_num(scts) : 0);
2631 if (SSL_get_ct_validation_callback(s) == NULL) {
2632 BIO_printf(bio, "Warning: CT validation is disabled, so not all "
2633 "SCTs may be displayed. Re-run with \"-requestct\".\n");
2636 if (scts != NULL && sk_SCT_num(scts) > 0) {
2637 const CTLOG_STORE *log_store = SSL_CTX_get0_ctlog_store(ctx);
2639 BIO_printf(bio, "---\n");
2640 SCT_LIST_print(scts, bio, 0, "\n---\n", log_store);
2641 BIO_printf(bio, "\n");
2646 "---\nSSL handshake has read %"PRIu64" bytes and written %"PRIu64" bytes\n",
2647 BIO_number_read(SSL_get_rbio(s)),
2648 BIO_number_written(SSL_get_wbio(s)));
2650 print_verify_detail(s, bio);
2651 BIO_printf(bio, (SSL_session_reused(s) ? "---\nReused, " : "---\nNew, "));
2652 c = SSL_get_current_cipher(s);
2653 BIO_printf(bio, "%s, Cipher is %s\n",
2654 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
2657 pktmp = X509_get0_pubkey(peer);
2658 BIO_printf(bio, "Server public key is %d bit\n",
2659 EVP_PKEY_bits(pktmp));
2661 BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
2662 SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
2663 #ifndef OPENSSL_NO_COMP
2664 comp = SSL_get_current_compression(s);
2665 expansion = SSL_get_current_expansion(s);
2666 BIO_printf(bio, "Compression: %s\n",
2667 comp ? SSL_COMP_get_name(comp) : "NONE");
2668 BIO_printf(bio, "Expansion: %s\n",
2669 expansion ? SSL_COMP_get_name(expansion) : "NONE");
2674 /* Print out local port of connection: useful for debugging */
2676 struct sockaddr_in ladd;
2677 socklen_t ladd_size = sizeof(ladd);
2678 sock = SSL_get_fd(s);
2679 getsockname(sock, (struct sockaddr *)&ladd, &ladd_size);
2680 BIO_printf(bio_c_out, "LOCAL PORT is %u\n", ntohs(ladd.sin_port));
2684 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2685 if (next_proto.status != -1) {
2686 const unsigned char *proto;
2687 unsigned int proto_len;
2688 SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
2689 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
2690 BIO_write(bio, proto, proto_len);
2691 BIO_write(bio, "\n", 1);
2695 const unsigned char *proto;
2696 unsigned int proto_len;
2697 SSL_get0_alpn_selected(s, &proto, &proto_len);
2698 if (proto_len > 0) {
2699 BIO_printf(bio, "ALPN protocol: ");
2700 BIO_write(bio, proto, proto_len);
2701 BIO_write(bio, "\n", 1);
2703 BIO_printf(bio, "No ALPN negotiated\n");
2706 #ifndef OPENSSL_NO_SRTP
2708 SRTP_PROTECTION_PROFILE *srtp_profile =
2709 SSL_get_selected_srtp_profile(s);
2712 BIO_printf(bio, "SRTP Extension negotiated, profile=%s\n",
2713 srtp_profile->name);
2717 SSL_SESSION_print(bio, SSL_get_session(s));
2718 if (keymatexportlabel != NULL) {
2719 BIO_printf(bio, "Keying material exporter:\n");
2720 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel);
2721 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen);
2722 exportedkeymat = app_malloc(keymatexportlen, "export key");
2723 if (!SSL_export_keying_material(s, exportedkeymat,
2726 strlen(keymatexportlabel),
2728 BIO_printf(bio, " Error\n");
2730 BIO_printf(bio, " Keying material: ");
2731 for (i = 0; i < keymatexportlen; i++)
2732 BIO_printf(bio, "%02X", exportedkeymat[i]);
2733 BIO_printf(bio, "\n");
2735 OPENSSL_free(exportedkeymat);
2737 BIO_printf(bio, "---\n");
2739 /* flush, or debugging output gets mixed with http response */
2740 (void)BIO_flush(bio);
2743 static int ocsp_resp_cb(SSL *s, void *arg)
2745 const unsigned char *p;
2748 len = SSL_get_tlsext_status_ocsp_resp(s, &p);
2749 BIO_puts(arg, "OCSP response: ");
2751 BIO_puts(arg, "no response sent\n");
2754 rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
2756 BIO_puts(arg, "response parse error\n");
2757 BIO_dump_indent(arg, (char *)p, len, 4);
2760 BIO_puts(arg, "\n======================================\n");
2761 OCSP_RESPONSE_print(arg, rsp, 0);
2762 BIO_puts(arg, "======================================\n");
2763 OCSP_RESPONSE_free(rsp);