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>
144 #ifndef OPENSSL_NO_SOCK
147 * With IPv6, it looks like Digital has mixed up the proper order of
148 * recursive header file inclusion, resulting in the compiler complaining
149 * that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which is
150 * needed to have fileno() declared correctly... So let's define u_int
152 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
154 typedef unsigned int u_int;
159 #include <openssl/x509.h>
160 #include <openssl/ssl.h>
161 #include <openssl/err.h>
162 #include <openssl/pem.h>
163 #include <openssl/rand.h>
164 #include <openssl/ocsp.h>
165 #include <openssl/bn.h>
166 #include <openssl/async.h>
167 #ifndef OPENSSL_NO_SRP
168 # include <openssl/srp.h>
170 #ifndef OPENSSL_NO_CT
171 # include <openssl/ct.h>
174 #include "timeouts.h"
176 #if defined(__has_feature)
177 # if __has_feature(memory_sanitizer)
178 # include <sanitizer/msan_interface.h>
183 #define BUFSIZZ 1024*8
184 #define S_CLIENT_IRC_READ_TIMEOUT 8
186 extern int verify_depth;
187 extern int verify_error;
188 extern int verify_return_error;
189 extern int verify_quiet;
192 static int async = 0;
193 static unsigned int split_send_fragment = 0;
194 static unsigned int max_pipelines = 0;
195 static int c_nbio = 0;
196 static int c_tlsextdebug = 0;
197 static int c_status_req = 0;
198 static int c_debug = 0;
199 static int c_msg = 0;
200 static int c_showcerts = 0;
201 static char *keymatexportlabel = NULL;
202 static int keymatexportlen = 20;
203 static BIO *bio_c_out = NULL;
204 static BIO *bio_c_msg = NULL;
205 static int c_quiet = 0;
206 static int c_ign_eof = 0;
207 static int c_brief = 0;
209 static void print_stuff(BIO *berr, SSL *con, int full);
210 #ifndef OPENSSL_NO_OCSP
211 static int ocsp_resp_cb(SSL *s, void *arg);
214 static int saved_errno;
216 static void save_errno(void)
222 static int restore_errno(void)
229 static void do_ssl_shutdown(SSL *ssl)
234 /* We only do unidirectional shutdown */
235 ret = SSL_shutdown(ssl);
237 switch (SSL_get_error(ssl, ret)) {
238 case SSL_ERROR_WANT_READ:
239 case SSL_ERROR_WANT_WRITE:
240 case SSL_ERROR_WANT_ASYNC:
241 case SSL_ERROR_WANT_ASYNC_JOB:
242 /* We just do busy waiting. Nothing clever */
251 #ifndef OPENSSL_NO_PSK
252 /* Default PSK identity and key */
253 static char *psk_identity = "Client_identity";
255 * char *psk_key=NULL; by default PSK is not used
258 static unsigned int psk_client_cb(SSL *ssl, const char *hint, char *identity,
259 unsigned int max_identity_len,
261 unsigned int max_psk_len)
263 unsigned int psk_len = 0;
268 BIO_printf(bio_c_out, "psk_client_cb\n");
270 /* no ServerKeyExchange message */
272 BIO_printf(bio_c_out,
273 "NULL received PSK identity hint, continuing anyway\n");
275 BIO_printf(bio_c_out, "Received PSK identity hint '%s'\n", hint);
278 * lookup PSK identity and PSK key based on the given identity hint here
280 ret = BIO_snprintf(identity, max_identity_len, "%s", psk_identity);
281 if (ret < 0 || (unsigned int)ret > max_identity_len)
284 BIO_printf(bio_c_out, "created identity '%s' len=%d\n", identity,
286 ret = BN_hex2bn(&bn, psk_key);
288 BIO_printf(bio_err, "Could not convert PSK key '%s' to BIGNUM\n",
294 if ((unsigned int)BN_num_bytes(bn) > max_psk_len) {
296 "psk buffer of callback is too small (%d) for key (%d)\n",
297 max_psk_len, BN_num_bytes(bn));
302 psk_len = BN_bn2bin(bn, psk);
308 BIO_printf(bio_c_out, "created PSK len=%d\n", psk_len);
313 BIO_printf(bio_err, "Error in PSK client callback\n");
318 /* This is a context that we pass to callbacks */
319 typedef struct tlsextctx_st {
324 static int ssl_servername_cb(SSL *s, int *ad, void *arg)
326 tlsextctx *p = (tlsextctx *) arg;
327 const char *hn = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
328 if (SSL_get_servername_type(s) != -1)
329 p->ack = !SSL_session_reused(s) && hn != NULL;
331 BIO_printf(bio_err, "Can't use SSL_get_servername\n");
333 return SSL_TLSEXT_ERR_OK;
336 #ifndef OPENSSL_NO_SRP
338 /* This is a context that we pass to all callbacks */
339 typedef struct srp_arg_st {
342 int msg; /* copy from c_msg */
343 int debug; /* copy from c_debug */
344 int amp; /* allow more groups */
345 int strength /* minimal size for N */ ;
348 # define SRP_NUMBER_ITERATIONS_FOR_PRIME 64
350 static int srp_Verify_N_and_g(const BIGNUM *N, const BIGNUM *g)
352 BN_CTX *bn_ctx = BN_CTX_new();
353 BIGNUM *p = BN_new();
354 BIGNUM *r = BN_new();
356 g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) &&
357 BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
358 p != NULL && BN_rshift1(p, N) &&
360 BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
362 /* verify g^((N-1)/2) == -1 (mod N) */
363 BN_mod_exp(r, g, p, N, bn_ctx) &&
364 BN_add_word(r, 1) && BN_cmp(r, N) == 0;
373 * This callback is used here for two purposes:
374 * - extended debugging
375 * - making some primality tests for unknown groups
376 * The callback is only called for a non default group.
378 * An application does not need the call back at all if
379 * only the stanard groups are used. In real life situations,
380 * client and server already share well known groups,
381 * thus there is no need to verify them.
382 * Furthermore, in case that a server actually proposes a group that
383 * is not one of those defined in RFC 5054, it is more appropriate
384 * to add the group to a static list and then compare since
385 * primality tests are rather cpu consuming.
388 static int ssl_srp_verify_param_cb(SSL *s, void *arg)
390 SRP_ARG *srp_arg = (SRP_ARG *)arg;
391 BIGNUM *N = NULL, *g = NULL;
393 if (((N = SSL_get_srp_N(s)) == NULL) || ((g = SSL_get_srp_g(s)) == NULL))
395 if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1) {
396 BIO_printf(bio_err, "SRP parameters:\n");
397 BIO_printf(bio_err, "\tN=");
398 BN_print(bio_err, N);
399 BIO_printf(bio_err, "\n\tg=");
400 BN_print(bio_err, g);
401 BIO_printf(bio_err, "\n");
404 if (SRP_check_known_gN_param(g, N))
407 if (srp_arg->amp == 1) {
410 "SRP param N and g are not known params, going to check deeper.\n");
413 * The srp_moregroups is a real debugging feature. Implementors
414 * should rather add the value to the known ones. The minimal size
415 * has already been tested.
417 if (BN_num_bits(g) <= BN_BITS && srp_Verify_N_and_g(N, g))
420 BIO_printf(bio_err, "SRP param N and g rejected.\n");
424 # define PWD_STRLEN 1024
426 static char *ssl_give_srp_client_pwd_cb(SSL *s, void *arg)
428 SRP_ARG *srp_arg = (SRP_ARG *)arg;
429 char *pass = app_malloc(PWD_STRLEN + 1, "SRP password buffer");
433 cb_tmp.password = (char *)srp_arg->srppassin;
434 cb_tmp.prompt_info = "SRP user";
435 if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp)) < 0) {
436 BIO_printf(bio_err, "Can't read Password\n");
447 static char *srtp_profiles = NULL;
449 #ifndef OPENSSL_NO_NEXTPROTONEG
450 /* This the context that we pass to next_proto_cb */
451 typedef struct tlsextnextprotoctx_st {
455 } tlsextnextprotoctx;
457 static tlsextnextprotoctx next_proto;
459 static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen,
460 const unsigned char *in, unsigned int inlen,
463 tlsextnextprotoctx *ctx = arg;
466 /* We can assume that |in| is syntactically valid. */
468 BIO_printf(bio_c_out, "Protocols advertised by server: ");
469 for (i = 0; i < inlen;) {
471 BIO_write(bio_c_out, ", ", 2);
472 BIO_write(bio_c_out, &in[i + 1], in[i]);
475 BIO_write(bio_c_out, "\n", 1);
479 SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len);
480 return SSL_TLSEXT_ERR_OK;
482 #endif /* ndef OPENSSL_NO_NEXTPROTONEG */
484 static int serverinfo_cli_parse_cb(SSL *s, unsigned int ext_type,
485 const unsigned char *in, size_t inlen,
489 unsigned char ext_buf[4 + 65536];
491 /* Reconstruct the type/len fields prior to extension data */
492 ext_buf[0] = ext_type >> 8;
493 ext_buf[1] = ext_type & 0xFF;
494 ext_buf[2] = inlen >> 8;
495 ext_buf[3] = inlen & 0xFF;
496 memcpy(ext_buf + 4, in, inlen);
498 BIO_snprintf(pem_name, sizeof(pem_name), "SERVERINFO FOR EXTENSION %d",
500 PEM_write_bio(bio_c_out, pem_name, "", ext_buf, 4 + inlen);
505 * Hex decoder that tolerates optional whitespace. Returns number of bytes
506 * produced, advances inptr to end of input string.
508 static ossl_ssize_t hexdecode(const char **inptr, void *result)
510 unsigned char **out = (unsigned char **)result;
511 const char *in = *inptr;
512 unsigned char *ret = app_malloc(strlen(in)/2, "hexdecode");
513 unsigned char *cp = ret;
520 for (byte = 0; *in; ++in) {
523 if (isspace(_UC(*in)))
525 c = tolower(_UC(*in));
526 if ('0' <= c && c <= '9') {
528 } else if ('a' <= c && c <= 'f') {
529 byte |= c - 'a' + 10;
534 if ((nibble ^= 1) == 0) {
547 return cp - (*out = ret);
551 * Decode unsigned 0..255, returns 1 on success, <= 0 on failure. Advances
552 * inptr to next field skipping leading whitespace.
554 static ossl_ssize_t checked_uint8(const char **inptr, void *out)
556 uint8_t *result = (uint8_t *)out;
557 const char *in = *inptr;
563 v = strtol(in, &endp, 10);
566 if (((v == LONG_MIN || v == LONG_MAX) && e == ERANGE) ||
567 endp == in || !isspace(_UC(*endp)) ||
568 v != (*result = (uint8_t) v)) {
571 for (in = endp; isspace(_UC(*in)); ++in)
581 ossl_ssize_t (*parser)(const char **, void *);
584 static int tlsa_import_rr(SSL *con, const char *rrdata)
586 /* Not necessary to re-init these values; the "parsers" do that. */
587 static uint8_t usage;
588 static uint8_t selector;
589 static uint8_t mtype;
590 static unsigned char *data;
591 static struct tlsa_field tlsa_fields[] = {
592 { &usage, "usage", checked_uint8 },
593 { &selector, "selector", checked_uint8 },
594 { &mtype, "mtype", checked_uint8 },
595 { &data, "data", hexdecode },
598 struct tlsa_field *f;
600 const char *cp = rrdata;
601 ossl_ssize_t len = 0;
603 for (f = tlsa_fields; f->var; ++f) {
604 /* Returns number of bytes produced, advances cp to next field */
605 if ((len = f->parser(&cp, f->var)) <= 0) {
606 BIO_printf(bio_err, "%s: warning: bad TLSA %s field in: %s\n",
607 prog, f->name, rrdata);
611 /* The data field is last, so len is its length */
612 ret = SSL_dane_tlsa_add(con, usage, selector, mtype, data, len);
616 ERR_print_errors(bio_err);
617 BIO_printf(bio_err, "%s: warning: unusable TLSA rrdata: %s\n",
622 ERR_print_errors(bio_err);
623 BIO_printf(bio_err, "%s: warning: error loading TLSA rrdata: %s\n",
630 static int tlsa_import_rrset(SSL *con, STACK_OF(OPENSSL_STRING) *rrset)
632 int num = sk_OPENSSL_STRING_num(rrset);
636 for (i = 0; i < num; ++i) {
637 char *rrdata = sk_OPENSSL_STRING_value(rrset, i);
638 if (tlsa_import_rr(con, rrdata) > 0)
644 typedef enum OPTION_choice {
645 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
646 OPT_4, OPT_6, OPT_HOST, OPT_PORT, OPT_CONNECT, OPT_UNIX,
647 OPT_XMPPHOST, OPT_VERIFY,
648 OPT_CERT, OPT_CRL, OPT_CRL_DOWNLOAD, OPT_SESS_OUT, OPT_SESS_IN,
649 OPT_CERTFORM, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET,
650 OPT_BRIEF, OPT_PREXIT, OPT_CRLF, OPT_QUIET, OPT_NBIO,
651 OPT_SSL_CLIENT_ENGINE, OPT_RAND, OPT_IGN_EOF, OPT_NO_IGN_EOF,
652 OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_WDEBUG,
653 OPT_MSG, OPT_MSGFILE, OPT_ENGINE, OPT_TRACE, OPT_SECURITY_DEBUG,
654 OPT_SECURITY_DEBUG_VERBOSE, OPT_SHOWCERTS, OPT_NBIO_TEST, OPT_STATE,
655 OPT_PSK_IDENTITY, OPT_PSK, OPT_SRPUSER, OPT_SRPPASS, OPT_SRP_STRENGTH,
656 OPT_SRP_LATEUSER, OPT_SRP_MOREGROUPS, OPT_SSL3, OPT_SSL_CONFIG,
657 OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1,
658 OPT_DTLS1_2, OPT_TIMEOUT, OPT_MTU, OPT_KEYFORM, OPT_PASS,
659 OPT_CERT_CHAIN, OPT_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH,
660 OPT_KEY, OPT_RECONNECT, OPT_BUILD_CHAIN, OPT_CAFILE, OPT_NOCAFILE,
661 OPT_CHAINCAFILE, OPT_VERIFYCAFILE, OPT_NEXTPROTONEG, OPT_ALPN,
662 OPT_SERVERINFO, OPT_STARTTLS, OPT_SERVERNAME,
663 OPT_USE_SRTP, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN, OPT_SMTPHOST,
664 OPT_ASYNC, OPT_SPLIT_SEND_FRAG, OPT_MAX_PIPELINES, OPT_READ_BUF,
668 OPT_FALLBACKSCSV, OPT_NOCMDS, OPT_PROXY, OPT_DANE_TLSA_DOMAIN,
669 #ifndef OPENSSL_NO_CT
670 OPT_CT, OPT_NOCT, OPT_CTLOG_FILE,
675 OPTIONS s_client_options[] = {
676 {"help", OPT_HELP, '-', "Display this summary"},
677 {"host", OPT_HOST, 's', "Use -connect instead"},
678 {"port", OPT_PORT, 'p', "Use -connect instead"},
679 {"connect", OPT_CONNECT, 's',
680 "TCP/IP where to connect (default is :" PORT ")"},
681 {"proxy", OPT_PROXY, 's',
682 "Connect to via specified proxy to the real server"},
684 {"unix", OPT_UNIX, 's', "Connect over unix domain sockets"},
686 {"4", OPT_4, '-', "Use IPv4 only"},
687 {"6", OPT_6, '-', "Use IPv6 only"},
688 {"verify", OPT_VERIFY, 'p', "Turn on peer certificate verification"},
689 {"cert", OPT_CERT, '<', "Certificate file to use, PEM format assumed"},
690 {"certform", OPT_CERTFORM, 'F',
691 "Certificate format (PEM or DER) PEM default"},
692 {"key", OPT_KEY, '<', "Private key file to use, if not in -cert file"},
693 {"keyform", OPT_KEYFORM, 'F', "Key format (PEM or DER) PEM default"},
694 {"pass", OPT_PASS, 's', "Private key file pass phrase source"},
695 {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
696 {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
697 {"no-CAfile", OPT_NOCAFILE, '-',
698 "Do not load the default certificates file"},
699 {"no-CApath", OPT_NOCAPATH, '-',
700 "Do not load certificates from the default certificates directory"},
701 {"dane_tlsa_domain", OPT_DANE_TLSA_DOMAIN, 's', "DANE TLSA base domain"},
702 {"dane_tlsa_rrdata", OPT_DANE_TLSA_RRDATA, 's',
703 "DANE TLSA rrdata presentation form"},
704 {"reconnect", OPT_RECONNECT, '-',
705 "Drop and re-make the connection with the same Session-ID"},
706 {"showcerts", OPT_SHOWCERTS, '-', "Show all certificates in the chain"},
707 {"debug", OPT_DEBUG, '-', "Extra output"},
708 {"msg", OPT_MSG, '-', "Show protocol messages"},
709 {"msgfile", OPT_MSGFILE, '>',
710 "File to send output of -msg or -trace, instead of stdout"},
711 {"nbio_test", OPT_NBIO_TEST, '-', "More ssl protocol testing"},
712 {"state", OPT_STATE, '-', "Print the ssl states"},
713 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"},
714 {"quiet", OPT_QUIET, '-', "No s_client output"},
715 {"ign_eof", OPT_IGN_EOF, '-', "Ignore input eof (default when -quiet)"},
716 {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Don't ignore input eof"},
717 {"starttls", OPT_STARTTLS, 's',
718 "Use the appropriate STARTTLS command before starting TLS"},
719 {"xmpphost", OPT_XMPPHOST, 's',
720 "Host to use with \"-starttls xmpp[-server]\""},
721 {"rand", OPT_RAND, 's',
722 "Load the file(s) into the random number generator"},
723 {"sess_out", OPT_SESS_OUT, '>', "File to write SSL session to"},
724 {"sess_in", OPT_SESS_IN, '<', "File to read SSL session from"},
725 {"use_srtp", OPT_USE_SRTP, 's',
726 "Offer SRTP key management with a colon-separated profile list"},
727 {"keymatexport", OPT_KEYMATEXPORT, 's',
728 "Export keying material using label"},
729 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
730 "Export len bytes of keying material (default 20)"},
731 {"fallback_scsv", OPT_FALLBACKSCSV, '-', "Send the fallback SCSV"},
732 {"name", OPT_SMTPHOST, 's', "Hostname to use for \"-starttls smtp\""},
733 {"CRL", OPT_CRL, '<', "CRL file to use"},
734 {"crl_download", OPT_CRL_DOWNLOAD, '-', "Download CRL from distribution points"},
735 {"CRLform", OPT_CRLFORM, 'F', "CRL format (PEM or DER) PEM is default"},
736 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-',
737 "Close connection on verification error"},
738 {"verify_quiet", OPT_VERIFY_QUIET, '-', "Restrict verify output to errors"},
739 {"brief", OPT_BRIEF, '-',
740 "Restrict output to brief summary of connection parameters"},
741 {"prexit", OPT_PREXIT, '-',
742 "Print session information when the program exits"},
743 {"security_debug", OPT_SECURITY_DEBUG, '-',
744 "Enable security debug messages"},
745 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-',
746 "Output more security debug output"},
747 {"cert_chain", OPT_CERT_CHAIN, '<',
748 "Certificate chain file (in PEM format)"},
749 {"chainCApath", OPT_CHAINCAPATH, '/',
750 "Use dir as certificate store path to build CA certificate chain"},
751 {"verifyCApath", OPT_VERIFYCAPATH, '/',
752 "Use dir as certificate store path to verify CA certificate"},
753 {"build_chain", OPT_BUILD_CHAIN, '-', "Build certificate chain"},
754 {"chainCAfile", OPT_CHAINCAFILE, '<',
755 "CA file for certificate chain (PEM format)"},
756 {"verifyCAfile", OPT_VERIFYCAFILE, '<',
757 "CA file for certificate verification (PEM format)"},
758 {"nocommands", OPT_NOCMDS, '-', "Do not use interactive command letters"},
759 {"servername", OPT_SERVERNAME, 's',
760 "Set TLS extension servername in ClientHello"},
761 {"tlsextdebug", OPT_TLSEXTDEBUG, '-',
762 "Hex dump of all TLS extensions received"},
763 #ifndef OPENSSL_NO_OCSP
764 {"status", OPT_STATUS, '-', "Request certificate status from server"},
766 {"serverinfo", OPT_SERVERINFO, 's',
767 "types Send empty ClientHello extensions (comma-separated numbers)"},
768 {"alpn", OPT_ALPN, 's',
769 "Enable ALPN extension, considering named protocols supported (comma-separated list)"},
770 {"async", OPT_ASYNC, '-', "Support asynchronous operation"},
771 {"ssl_config", OPT_SSL_CONFIG, 's', "Use specified configuration file"},
772 {"split_send_frag", OPT_SPLIT_SEND_FRAG, 'n',
773 "Size used to split data for encrypt pipelines"},
774 {"max_pipelines", OPT_MAX_PIPELINES, 'n',
775 "Maximum number of encrypt/decrypt pipelines to be used"},
776 {"read_buf", OPT_READ_BUF, 'n',
777 "Default read buffer size to be used for connections"},
781 #ifndef OPENSSL_NO_SSL3
782 {"ssl3", OPT_SSL3, '-', "Just use SSLv3"},
784 #ifndef OPENSSL_NO_TLS1
785 {"tls1", OPT_TLS1, '-', "Just use TLSv1"},
787 #ifndef OPENSSL_NO_TLS1_1
788 {"tls1_1", OPT_TLS1_1, '-', "Just use TLSv1.1"},
790 #ifndef OPENSSL_NO_TLS1_2
791 {"tls1_2", OPT_TLS1_2, '-', "Just use TLSv1.2"},
793 #ifndef OPENSSL_NO_DTLS
794 {"dtls", OPT_DTLS, '-', "Use any version of DTLS"},
795 {"timeout", OPT_TIMEOUT, '-',
796 "Enable send/receive timeout on DTLS connections"},
797 {"mtu", OPT_MTU, 'p', "Set the link layer MTU"},
799 #ifndef OPENSSL_NO_DTLS1
800 {"dtls1", OPT_DTLS1, '-', "Just use DTLSv1"},
802 #ifndef OPENSSL_NO_DTLS1_2
803 {"dtls1_2", OPT_DTLS1_2, '-', "Just use DTLSv1.2"},
805 #ifndef OPENSSL_NO_SSL_TRACE
806 {"trace", OPT_TRACE, '-', "Show trace output of protocol messages"},
809 {"wdebug", OPT_WDEBUG, '-', "WATT-32 tcp debugging"},
811 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"},
812 #ifndef OPENSSL_NO_PSK
813 {"psk_identity", OPT_PSK_IDENTITY, 's', "PSK identity"},
814 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"},
816 #ifndef OPENSSL_NO_SRP
817 {"srpuser", OPT_SRPUSER, 's', "SRP authentification for 'user'"},
818 {"srppass", OPT_SRPPASS, 's', "Password for 'user'"},
819 {"srp_lateuser", OPT_SRP_LATEUSER, '-',
820 "SRP username into second ClientHello message"},
821 {"srp_moregroups", OPT_SRP_MOREGROUPS, '-',
822 "Tolerate other than the known g N values."},
823 {"srp_strength", OPT_SRP_STRENGTH, 'p', "Minimal length in bits for N"},
825 #ifndef OPENSSL_NO_NEXTPROTONEG
826 {"nextprotoneg", OPT_NEXTPROTONEG, 's',
827 "Enable NPN extension, considering named protocols supported (comma-separated list)"},
829 #ifndef OPENSSL_NO_ENGINE
830 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
831 {"ssl_client_engine", OPT_SSL_CLIENT_ENGINE, 's',
832 "Specify engine to be used for client certificate operations"},
834 #ifndef OPENSSL_NO_CT
835 {"ct", OPT_CT, '-', "Request and parse SCTs (also enables OCSP stapling)"},
836 {"noct", OPT_NOCT, '-', "Do not request or parse SCTs (default)"},
837 {"ctlogfile", OPT_CTLOG_FILE, '<', "CT log list CONF file"},
842 typedef enum PROTOCOL_choice {
855 static OPT_PAIR services[] = {
856 {"smtp", PROTO_SMTP},
857 {"pop3", PROTO_POP3},
858 {"imap", PROTO_IMAP},
860 {"xmpp", PROTO_XMPP},
861 {"xmpp-server", PROTO_XMPP_SERVER},
862 {"telnet", PROTO_TELNET},
867 int s_client_main(int argc, char **argv)
870 EVP_PKEY *key = NULL;
873 STACK_OF(X509) *chain = NULL;
875 X509_VERIFY_PARAM *vpm = NULL;
876 SSL_EXCERT *exc = NULL;
877 SSL_CONF_CTX *cctx = NULL;
878 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
879 char *dane_tlsa_domain = NULL;
880 STACK_OF(OPENSSL_STRING) *dane_tlsa_rrset = NULL;
881 STACK_OF(X509_CRL) *crls = NULL;
882 const SSL_METHOD *meth = TLS_client_method();
883 char *CApath = NULL, *CAfile = NULL, *cbuf = NULL, *sbuf = NULL;
884 char *mbuf = NULL, *proxystr = NULL, *connectstr = NULL;
885 char *cert_file = NULL, *key_file = NULL, *chain_file = NULL;
886 char *chCApath = NULL, *chCAfile = NULL, *host = NULL;
887 char *port = BUF_strdup(PORT);
889 char *passarg = NULL, *pass = NULL, *vfyCApath = NULL, *vfyCAfile = NULL;
890 char *sess_in = NULL, *sess_out = NULL, *crl_file = NULL, *p;
891 char *xmpphost = NULL;
892 const char *ehlo = "mail.example.com";
893 struct timeval timeout, *timeoutp;
894 fd_set readfds, writefds;
895 int noCApath = 0, noCAfile = 0;
896 int build_chain = 0, cbuf_len, cbuf_off, cert_format = FORMAT_PEM;
897 int key_format = FORMAT_PEM, crlf = 0, full_log = 1, mbuf_len = 0;
900 int reconnect = 0, verify = SSL_VERIFY_NONE, vpmtouched = 0;
901 int ret = 1, in_init = 1, i, nbio_test = 0, s = -1, k, width, state = 0;
902 int sbuf_len, sbuf_off, cmdletters = 1;
903 int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM;
904 int starttls_proto = PROTO_OFF, crl_format = FORMAT_PEM, crl_download = 0;
905 int write_tty, read_tty, write_ssl, read_ssl, tty_on, ssl_pending;
906 int read_buf_len = 0;
907 int fallback_scsv = 0;
910 #ifndef OPENSSL_NO_DTLS
911 int enable_timeouts = 0;
914 #ifndef OPENSSL_NO_ENGINE
915 ENGINE *ssl_client_engine = NULL;
918 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
921 char *servername = NULL;
922 const char *alpn_in = NULL;
923 tlsextctx tlsextcbp = { NULL, 0 };
924 const char *ssl_config = NULL;
925 #define MAX_SI_TYPES 100
926 unsigned short serverinfo_types[MAX_SI_TYPES];
927 int serverinfo_count = 0, start = 0, len;
928 #ifndef OPENSSL_NO_NEXTPROTONEG
929 const char *next_proto_neg_in = NULL;
931 #ifndef OPENSSL_NO_SRP
932 char *srppass = NULL;
933 int srp_lateuser = 0;
934 SRP_ARG srp_arg = { NULL, NULL, 0, 0, 0, 1024 };
936 #ifndef OPENSSL_NO_CT
937 char *ctlog_file = NULL;
938 int ct_validation = 0;
940 int min_version = 0, max_version = 0;
944 /* Known false-positive of MemorySanitizer. */
945 #if defined(__has_feature)
946 # if __has_feature(memory_sanitizer)
947 __msan_unpoison(&readfds, sizeof(readfds));
948 __msan_unpoison(&writefds, sizeof(writefds));
952 prog = opt_progname(argv[0]);
960 verify_error = X509_V_OK;
961 vpm = X509_VERIFY_PARAM_new();
962 cbuf = app_malloc(BUFSIZZ, "cbuf");
963 sbuf = app_malloc(BUFSIZZ, "sbuf");
964 mbuf = app_malloc(BUFSIZZ, "mbuf");
965 cctx = SSL_CONF_CTX_new();
967 if (vpm == NULL || cctx == NULL) {
968 BIO_printf(bio_err, "%s: out of memory\n", prog);
972 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT | SSL_CONF_FLAG_CMDLINE);
974 prog = opt_init(argc, argv, s_client_options);
975 while ((o = opt_next()) != OPT_EOF) {
980 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
983 opt_help(s_client_options);
988 if (socket_family == AF_UNIX) {
989 OPENSSL_free(host); host = NULL;
990 OPENSSL_free(port); port = NULL;
993 socket_family = AF_INET;
999 if (socket_family == AF_UNIX) {
1000 OPENSSL_free(host); host = NULL;
1001 OPENSSL_free(port); port = NULL;
1004 socket_family = AF_INET6;
1007 BIO_printf(bio_err, "%s: IPv6 domain sockets unsupported\n", prog);
1013 if (socket_family == AF_UNIX) {
1014 OPENSSL_free(host); host = NULL;
1015 OPENSSL_free(port); port = NULL;
1016 socket_family = AF_UNSPEC;
1019 OPENSSL_free(host); host = BUF_strdup(opt_arg());
1023 if (socket_family == AF_UNIX) {
1024 OPENSSL_free(host); host = NULL;
1025 OPENSSL_free(port); port = NULL;
1026 socket_family = AF_UNSPEC;
1029 OPENSSL_free(port); port = BUF_strdup(opt_arg());
1033 if (socket_family == AF_UNIX) {
1034 socket_family = AF_UNSPEC;
1037 OPENSSL_free(host); host = NULL;
1038 OPENSSL_free(port); port = NULL;
1039 connectstr = opt_arg();
1042 proxystr = opt_arg();
1043 starttls_proto = PROTO_CONNECT;
1047 socket_family = AF_UNIX;
1048 OPENSSL_free(host); host = BUF_strdup(opt_arg());
1049 OPENSSL_free(port); port = NULL;
1053 xmpphost = opt_arg();
1059 verify = SSL_VERIFY_PEER;
1060 verify_depth = atoi(opt_arg());
1062 BIO_printf(bio_err, "verify depth is %d\n", verify_depth);
1065 cert_file = opt_arg();
1068 crl_file = opt_arg();
1070 case OPT_CRL_DOWNLOAD:
1074 sess_out = opt_arg();
1077 sess_in = opt_arg();
1080 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &cert_format))
1084 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
1087 case OPT_VERIFY_RET_ERROR:
1088 verify_return_error = 1;
1090 case OPT_VERIFY_QUIET:
1094 c_brief = verify_quiet = c_quiet = 1;
1097 if (ssl_args == NULL)
1098 ssl_args = sk_OPENSSL_STRING_new_null();
1099 if (ssl_args == NULL
1100 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
1101 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
1102 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1107 if (!opt_verify(o, vpm))
1112 if (!args_excert(o, &exc))
1122 c_quiet = c_ign_eof = 1;
1131 e = setup_engine(opt_arg(), 1);
1133 case OPT_SSL_CLIENT_ENGINE:
1134 #ifndef OPENSSL_NO_ENGINE
1135 ssl_client_engine = ENGINE_by_id(opt_arg());
1136 if (ssl_client_engine == NULL) {
1137 BIO_printf(bio_err, "Error getting client auth engine\n");
1149 case OPT_NO_IGN_EOF:
1155 case OPT_TLSEXTDEBUG:
1170 bio_c_msg = BIO_new_file(opt_arg(), "w");
1173 #ifndef OPENSSL_NO_SSL_TRACE
1177 case OPT_SECURITY_DEBUG:
1180 case OPT_SECURITY_DEBUG_VERBOSE:
1192 #ifndef OPENSSL_NO_PSK
1193 case OPT_PSK_IDENTITY:
1194 psk_identity = opt_arg();
1197 for (p = psk_key = opt_arg(); *p; p++) {
1198 if (isxdigit(_UC(*p)))
1200 BIO_printf(bio_err, "Not a hex number '%s'\n", psk_key);
1205 case OPT_PSK_IDENTITY:
1209 #ifndef OPENSSL_NO_SRP
1211 srp_arg.srplogin = opt_arg();
1212 if (min_version < TLS1_VERSION)
1213 min_version = TLS1_VERSION;
1216 srppass = opt_arg();
1217 if (min_version < TLS1_VERSION)
1218 min_version = TLS1_VERSION;
1220 case OPT_SRP_STRENGTH:
1221 srp_arg.strength = atoi(opt_arg());
1222 BIO_printf(bio_err, "SRP minimal length for N is %d\n",
1224 if (min_version < TLS1_VERSION)
1225 min_version = TLS1_VERSION;
1227 case OPT_SRP_LATEUSER:
1229 if (min_version < TLS1_VERSION)
1230 min_version = TLS1_VERSION;
1232 case OPT_SRP_MOREGROUPS:
1234 if (min_version < TLS1_VERSION)
1235 min_version = TLS1_VERSION;
1240 case OPT_SRP_STRENGTH:
1241 case OPT_SRP_LATEUSER:
1242 case OPT_SRP_MOREGROUPS:
1245 case OPT_SSL_CONFIG:
1246 ssl_config = opt_arg();
1249 min_version = SSL3_VERSION;
1250 max_version = SSL3_VERSION;
1253 min_version = TLS1_2_VERSION;
1254 max_version = TLS1_2_VERSION;
1257 min_version = TLS1_1_VERSION;
1258 max_version = TLS1_1_VERSION;
1261 min_version = TLS1_VERSION;
1262 max_version = TLS1_VERSION;
1265 #ifndef OPENSSL_NO_DTLS
1266 meth = DTLS_client_method();
1267 socket_type = SOCK_DGRAM;
1271 #ifndef OPENSSL_NO_DTLS1
1272 meth = DTLS_client_method();
1273 min_version = DTLS1_VERSION;
1274 max_version = DTLS1_VERSION;
1275 socket_type = SOCK_DGRAM;
1279 #ifndef OPENSSL_NO_DTLS1_2
1280 meth = DTLS_client_method();
1281 min_version = DTLS1_2_VERSION;
1282 max_version = DTLS1_2_VERSION;
1283 socket_type = SOCK_DGRAM;
1287 #ifndef OPENSSL_NO_DTLS
1288 enable_timeouts = 1;
1292 #ifndef OPENSSL_NO_DTLS
1293 socket_mtu = atol(opt_arg());
1296 case OPT_FALLBACKSCSV:
1300 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &key_format))
1304 passarg = opt_arg();
1306 case OPT_CERT_CHAIN:
1307 chain_file = opt_arg();
1310 key_file = opt_arg();
1321 case OPT_CHAINCAPATH:
1322 chCApath = opt_arg();
1324 case OPT_VERIFYCAPATH:
1325 vfyCApath = opt_arg();
1327 case OPT_BUILD_CHAIN:
1336 #ifndef OPENSSL_NO_CT
1343 case OPT_CTLOG_FILE:
1344 ctlog_file = opt_arg();
1347 case OPT_CHAINCAFILE:
1348 chCAfile = opt_arg();
1350 case OPT_VERIFYCAFILE:
1351 vfyCAfile = opt_arg();
1353 case OPT_DANE_TLSA_DOMAIN:
1354 dane_tlsa_domain = opt_arg();
1356 case OPT_DANE_TLSA_RRDATA:
1357 if (dane_tlsa_rrset == NULL)
1358 dane_tlsa_rrset = sk_OPENSSL_STRING_new_null();
1359 if (dane_tlsa_rrset == NULL ||
1360 !sk_OPENSSL_STRING_push(dane_tlsa_rrset, opt_arg())) {
1361 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1365 case OPT_NEXTPROTONEG:
1366 #ifndef OPENSSL_NO_NEXTPROTONEG
1367 next_proto_neg_in = opt_arg();
1371 alpn_in = opt_arg();
1373 case OPT_SERVERINFO:
1376 for (start = 0, i = 0; i <= len; ++i) {
1377 if (i == len || p[i] == ',') {
1378 serverinfo_types[serverinfo_count] = atoi(p + start);
1379 if (++serverinfo_count == MAX_SI_TYPES)
1386 if (!opt_pair(opt_arg(), services, &starttls_proto))
1389 case OPT_SERVERNAME:
1390 servername = opt_arg();
1393 srtp_profiles = opt_arg();
1395 case OPT_KEYMATEXPORT:
1396 keymatexportlabel = opt_arg();
1398 case OPT_KEYMATEXPORTLEN:
1399 keymatexportlen = atoi(opt_arg());
1404 case OPT_SPLIT_SEND_FRAG:
1405 split_send_fragment = atoi(opt_arg());
1406 if (split_send_fragment == 0) {
1408 * Not allowed - set to a deliberately bad value so we get an
1409 * error message below
1411 split_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH + 1;
1414 case OPT_MAX_PIPELINES:
1415 max_pipelines = atoi(opt_arg());
1418 read_buf_len = atoi(opt_arg());
1422 argc = opt_num_rest();
1428 char *tmp_host = host, *tmp_port = port;
1429 if (connectstr == NULL) {
1430 BIO_printf(bio_err, "%s: -proxy requires use of -connect\n", prog);
1433 res = BIO_parse_hostserv(proxystr, &host, &port, BIO_PARSE_PRIO_HOST);
1434 if (tmp_host != host)
1435 OPENSSL_free(tmp_host);
1436 if (tmp_port != port)
1437 OPENSSL_free(tmp_port);
1439 BIO_printf(bio_err, "%s: -proxy argument malformed or ambiguous\n",
1445 char *tmp_host = host, *tmp_port = port;
1446 if (connectstr != NULL)
1447 res = BIO_parse_hostserv(connectstr, &host, &port,
1448 BIO_PARSE_PRIO_HOST);
1449 if (tmp_host != host)
1450 OPENSSL_free(tmp_host);
1451 if (tmp_port != port)
1452 OPENSSL_free(tmp_port);
1455 "%s: -connect argument malformed or ambiguous\n",
1461 if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) {
1463 "Can't use unix sockets and datagrams together\n");
1467 if (split_send_fragment > SSL3_RT_MAX_PLAIN_LENGTH) {
1468 BIO_printf(bio_err, "Bad split send fragment size\n");
1472 if (max_pipelines > SSL_MAX_PIPELINES) {
1473 BIO_printf(bio_err, "Bad max pipelines value\n");
1477 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1478 next_proto.status = -1;
1479 if (next_proto_neg_in) {
1481 next_protos_parse(&next_proto.len, next_proto_neg_in);
1482 if (next_proto.data == NULL) {
1483 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n");
1487 next_proto.data = NULL;
1490 if (!app_passwd(passarg, NULL, &pass, NULL)) {
1491 BIO_printf(bio_err, "Error getting password\n");
1495 if (key_file == NULL)
1496 key_file = cert_file;
1499 key = load_key(key_file, key_format, 0, pass, e,
1500 "client certificate private key file");
1502 ERR_print_errors(bio_err);
1508 cert = load_cert(cert_file, cert_format, "client certificate file");
1510 ERR_print_errors(bio_err);
1516 if (!load_certs(chain_file, &chain, FORMAT_PEM, NULL,
1517 "client certificate chain"))
1523 crl = load_crl(crl_file, crl_format);
1525 BIO_puts(bio_err, "Error loading CRL\n");
1526 ERR_print_errors(bio_err);
1529 crls = sk_X509_CRL_new_null();
1530 if (crls == NULL || !sk_X509_CRL_push(crls, crl)) {
1531 BIO_puts(bio_err, "Error adding CRL\n");
1532 ERR_print_errors(bio_err);
1538 if (!load_excert(&exc))
1541 if (!app_RAND_load_file(NULL, 1) && inrand == NULL
1542 && !RAND_status()) {
1544 "warning, not much extra random data, consider using the -rand option\n");
1546 if (inrand != NULL) {
1547 randamt = app_RAND_load_files(inrand);
1548 BIO_printf(bio_err, "%ld semi-random bytes loaded\n", randamt);
1551 if (bio_c_out == NULL) {
1552 if (c_quiet && !c_debug) {
1553 bio_c_out = BIO_new(BIO_s_null());
1554 if (c_msg && !bio_c_msg)
1555 bio_c_msg = dup_bio_out(FORMAT_TEXT);
1556 } else if (bio_c_out == NULL)
1557 bio_c_out = dup_bio_out(FORMAT_TEXT);
1559 #ifndef OPENSSL_NO_SRP
1560 if (!app_passwd(srppass, NULL, &srp_arg.srppassin, NULL)) {
1561 BIO_printf(bio_err, "Error getting password\n");
1566 ctx = SSL_CTX_new(meth);
1568 ERR_print_errors(bio_err);
1573 ssl_ctx_security_debug(ctx, sdebug);
1576 if (SSL_CTX_config(ctx, ssl_config) == 0) {
1577 BIO_printf(bio_err, "Error using configuration \"%s\"\n",
1579 ERR_print_errors(bio_err);
1584 if (SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
1586 if (SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
1589 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
1590 BIO_printf(bio_err, "Error setting verify params\n");
1591 ERR_print_errors(bio_err);
1596 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
1598 if (split_send_fragment > 0) {
1599 SSL_CTX_set_split_send_fragment(ctx, split_send_fragment);
1601 if (max_pipelines > 0) {
1602 SSL_CTX_set_max_pipelines(ctx, max_pipelines);
1605 if (read_buf_len > 0) {
1606 SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len);
1609 if (!config_ctx(cctx, ssl_args, ctx))
1612 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1613 crls, crl_download)) {
1614 BIO_printf(bio_err, "Error loading store locations\n");
1615 ERR_print_errors(bio_err);
1618 #ifndef OPENSSL_NO_ENGINE
1619 if (ssl_client_engine) {
1620 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine)) {
1621 BIO_puts(bio_err, "Error setting client auth engine\n");
1622 ERR_print_errors(bio_err);
1623 ENGINE_free(ssl_client_engine);
1626 ENGINE_free(ssl_client_engine);
1630 #ifndef OPENSSL_NO_PSK
1631 if (psk_key != NULL) {
1633 BIO_printf(bio_c_out,
1634 "PSK key given, setting client callback\n");
1635 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
1638 #ifndef OPENSSL_NO_SRTP
1639 if (srtp_profiles != NULL) {
1640 /* Returns 0 on success! */
1641 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
1642 BIO_printf(bio_err, "Error setting SRTP profile\n");
1643 ERR_print_errors(bio_err);
1650 ssl_ctx_set_excert(ctx, exc);
1652 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1653 if (next_proto.data)
1654 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
1658 unsigned char *alpn = next_protos_parse(&alpn_len, alpn_in);
1661 BIO_printf(bio_err, "Error parsing -alpn argument\n");
1664 /* Returns 0 on success! */
1665 if (SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len) != 0) {
1666 BIO_printf(bio_err, "Error setting ALPN\n");
1672 for (i = 0; i < serverinfo_count; i++) {
1673 if (!SSL_CTX_add_client_custom_ext(ctx,
1674 serverinfo_types[i],
1676 serverinfo_cli_parse_cb, NULL)) {
1678 "Warning: Unable to add custom extension %u, skipping\n",
1679 serverinfo_types[i]);
1684 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1686 #ifndef OPENSSL_NO_CT
1687 /* Enable SCT processing, without early connection termination */
1688 if (ct_validation &&
1689 !SSL_CTX_enable_ct(ctx, SSL_CT_VALIDATION_PERMISSIVE)) {
1690 ERR_print_errors(bio_err);
1694 if (!ctx_set_ctlog_list_file(ctx, ctlog_file)) {
1695 if (ct_validation) {
1696 ERR_print_errors(bio_err);
1701 * If CT validation is not enabled, the log list isn't needed so don't
1702 * show errors or abort. We try to load it regardless because then we
1703 * can show the names of the logs any SCTs came from (SCTs may be seen
1704 * even with validation disabled).
1710 SSL_CTX_set_verify(ctx, verify, verify_callback);
1712 if (!ctx_set_verify_locations(ctx, CAfile, CApath, noCAfile, noCApath)) {
1713 ERR_print_errors(bio_err);
1717 ssl_ctx_add_crls(ctx, crls, crl_download);
1719 if (!set_cert_key_stuff(ctx, cert, key, chain, build_chain))
1722 if (servername != NULL) {
1723 tlsextcbp.biodebug = bio_err;
1724 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1725 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1727 # ifndef OPENSSL_NO_SRP
1728 if (srp_arg.srplogin) {
1729 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin)) {
1730 BIO_printf(bio_err, "Unable to set SRP username\n");
1733 srp_arg.msg = c_msg;
1734 srp_arg.debug = c_debug;
1735 SSL_CTX_set_srp_cb_arg(ctx, &srp_arg);
1736 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb);
1737 SSL_CTX_set_srp_strength(ctx, srp_arg.strength);
1738 if (c_msg || c_debug || srp_arg.amp == 0)
1739 SSL_CTX_set_srp_verify_param_callback(ctx,
1740 ssl_srp_verify_param_cb);
1744 if (dane_tlsa_domain != NULL) {
1745 if (SSL_CTX_dane_enable(ctx) <= 0) {
1747 "%s: Error enabling DANE TLSA authentication.\n", prog);
1748 ERR_print_errors(bio_err);
1756 BIO *stmp = BIO_new_file(sess_in, "r");
1758 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1759 ERR_print_errors(bio_err);
1762 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1765 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1766 ERR_print_errors(bio_err);
1769 if (!SSL_set_session(con, sess)) {
1770 BIO_printf(bio_err, "Can't set session\n");
1771 ERR_print_errors(bio_err);
1774 SSL_SESSION_free(sess);
1778 SSL_set_mode(con, SSL_MODE_SEND_FALLBACK_SCSV);
1780 if (servername != NULL) {
1781 if (!SSL_set_tlsext_host_name(con, servername)) {
1782 BIO_printf(bio_err, "Unable to set TLS servername extension.\n");
1783 ERR_print_errors(bio_err);
1788 if (dane_tlsa_domain != NULL) {
1789 if (SSL_dane_enable(con, dane_tlsa_domain) <= 0) {
1790 BIO_printf(bio_err, "%s: Error enabling DANE TLSA "
1791 "authentication.\n", prog);
1792 ERR_print_errors(bio_err);
1795 if (dane_tlsa_rrset == NULL) {
1796 BIO_printf(bio_err, "%s: DANE TLSA authentication requires at "
1797 "least one -dane_tlsa_rrset option.\n", prog);
1800 if (tlsa_import_rrset(con, dane_tlsa_rrset) <= 0) {
1801 BIO_printf(bio_err, "%s: Failed to import any TLSA "
1802 "records.\n", prog);
1805 } else if (dane_tlsa_rrset != NULL) {
1806 BIO_printf(bio_err, "%s: DANE TLSA authentication requires the "
1807 "-dane_tlsa_domain option.\n", prog);
1812 if (init_client(&s, host, port, socket_family, socket_type) == 0)
1814 BIO_printf(bio_err, "connect:errno=%d\n", get_last_socket_error());
1818 BIO_printf(bio_c_out, "CONNECTED(%08X)\n", s);
1821 if (!BIO_socket_nbio(s, 1)) {
1822 ERR_print_errors(bio_err);
1825 BIO_printf(bio_c_out, "Turned on non blocking io\n");
1827 #ifndef OPENSSL_NO_DTLS
1828 if (socket_type == SOCK_DGRAM) {
1829 struct sockaddr peer;
1830 int peerlen = sizeof peer;
1832 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
1833 if (getsockname(s, &peer, (void *)&peerlen) < 0) {
1834 BIO_printf(bio_err, "getsockname:errno=%d\n",
1835 get_last_socket_error());
1840 (void)BIO_ctrl_set_connected(sbio, &peer);
1842 if (enable_timeouts) {
1844 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1845 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1848 timeout.tv_usec = DGRAM_SND_TIMEOUT;
1849 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1853 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
1854 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
1855 DTLS_get_link_min_mtu(con));
1859 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1860 if (!DTLS_set_link_mtu(con, socket_mtu)) {
1861 BIO_printf(bio_err, "Failed to set MTU\n");
1866 /* want to do MTU discovery */
1867 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1869 #endif /* OPENSSL_NO_DTLS */
1870 sbio = BIO_new_socket(s, BIO_NOCLOSE);
1875 test = BIO_new(BIO_f_nbio_test());
1876 sbio = BIO_push(test, sbio);
1880 BIO_set_callback(sbio, bio_dump_callback);
1881 BIO_set_callback_arg(sbio, (char *)bio_c_out);
1884 #ifndef OPENSSL_NO_SSL_TRACE
1886 SSL_set_msg_callback(con, SSL_trace);
1889 SSL_set_msg_callback(con, msg_cb);
1890 SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out);
1893 if (c_tlsextdebug) {
1894 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1895 SSL_set_tlsext_debug_arg(con, bio_c_out);
1897 #ifndef OPENSSL_NO_OCSP
1899 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
1900 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
1901 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
1905 SSL_set_bio(con, sbio, sbio);
1906 SSL_set_connect_state(con);
1908 /* ok, lets connect */
1909 width = SSL_get_fd(con) + 1;
1922 switch ((PROTOCOL_CHOICE) starttls_proto) {
1928 * This is an ugly hack that does a lot of assumptions. We do
1929 * have to handle multi-line responses which may come in a single
1930 * packet or not. We therefore have to use BIO_gets() which does
1931 * need a buffering BIO. So during the initial chitchat we do
1932 * push a buffering BIO into the chain that is removed again
1933 * later on to not disturb the rest of the s_client operation.
1936 BIO *fbio = BIO_new(BIO_f_buffer());
1937 BIO_push(fbio, sbio);
1938 /* wait for multi-line response to end from SMTP */
1940 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1942 while (mbuf_len > 3 && mbuf[3] == '-');
1943 BIO_printf(fbio, "EHLO %s\r\n", ehlo);
1944 (void)BIO_flush(fbio);
1945 /* wait for multi-line response to end EHLO SMTP response */
1947 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1948 if (strstr(mbuf, "STARTTLS"))
1951 while (mbuf_len > 3 && mbuf[3] == '-');
1952 (void)BIO_flush(fbio);
1957 "didn't find starttls in server response,"
1958 " trying anyway...\n");
1959 BIO_printf(sbio, "STARTTLS\r\n");
1960 BIO_read(sbio, sbuf, BUFSIZZ);
1965 BIO_read(sbio, mbuf, BUFSIZZ);
1966 BIO_printf(sbio, "STLS\r\n");
1967 mbuf_len = BIO_read(sbio, sbuf, BUFSIZZ);
1969 BIO_printf(bio_err, "BIO_read failed\n");
1977 BIO *fbio = BIO_new(BIO_f_buffer());
1978 BIO_push(fbio, sbio);
1979 BIO_gets(fbio, mbuf, BUFSIZZ);
1980 /* STARTTLS command requires CAPABILITY... */
1981 BIO_printf(fbio, ". CAPABILITY\r\n");
1982 (void)BIO_flush(fbio);
1983 /* wait for multi-line CAPABILITY response */
1985 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1986 if (strstr(mbuf, "STARTTLS"))
1989 while (mbuf_len > 3 && mbuf[0] != '.');
1990 (void)BIO_flush(fbio);
1995 "didn't find STARTTLS in server response,"
1996 " trying anyway...\n");
1997 BIO_printf(sbio, ". STARTTLS\r\n");
1998 BIO_read(sbio, sbuf, BUFSIZZ);
2003 BIO *fbio = BIO_new(BIO_f_buffer());
2004 BIO_push(fbio, sbio);
2005 /* wait for multi-line response to end from FTP */
2007 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2009 while (mbuf_len > 3 && mbuf[3] == '-');
2010 (void)BIO_flush(fbio);
2013 BIO_printf(sbio, "AUTH TLS\r\n");
2014 BIO_read(sbio, sbuf, BUFSIZZ);
2018 case PROTO_XMPP_SERVER:
2021 BIO_printf(sbio, "<stream:stream "
2022 "xmlns:stream='http://etherx.jabber.org/streams' "
2023 "xmlns='jabber:%s' to='%s' version='1.0'>",
2024 starttls_proto == PROTO_XMPP ? "client" : "server",
2025 xmpphost ? xmpphost : host);
2026 seen = BIO_read(sbio, mbuf, BUFSIZZ);
2029 (mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")
2031 "<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\""))
2033 seen = BIO_read(sbio, mbuf, BUFSIZZ);
2041 "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
2042 seen = BIO_read(sbio, sbuf, BUFSIZZ);
2044 if (!strstr(sbuf, "<proceed"))
2051 static const unsigned char tls_do[] = {
2052 /* IAC DO START_TLS */
2055 static const unsigned char tls_will[] = {
2056 /* IAC WILL START_TLS */
2059 static const unsigned char tls_follows[] = {
2060 /* IAC SB START_TLS FOLLOWS IAC SE */
2061 255, 250, 46, 1, 255, 240
2065 /* Telnet server should demand we issue START_TLS */
2066 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
2067 if (bytes != 3 || memcmp(mbuf, tls_do, 3) != 0)
2069 /* Agree to issue START_TLS and send the FOLLOWS sub-command */
2070 BIO_write(sbio, tls_will, 3);
2071 BIO_write(sbio, tls_follows, 6);
2072 (void)BIO_flush(sbio);
2073 /* Telnet server also sent the FOLLOWS sub-command */
2074 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
2075 if (bytes != 6 || memcmp(mbuf, tls_follows, 6) != 0)
2082 BIO *fbio = BIO_new(BIO_f_buffer());
2084 BIO_push(fbio, sbio);
2085 BIO_printf(fbio, "CONNECT %s HTTP/1.0\r\n\r\n", connectstr);
2086 (void)BIO_flush(fbio);
2087 /* wait for multi-line response to end CONNECT response */
2089 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2090 if (strstr(mbuf, "200") != NULL
2091 && strstr(mbuf, "established") != NULL)
2093 } while (mbuf_len > 3 && foundit == 0);
2094 (void)BIO_flush(fbio);
2098 BIO_printf(bio_err, "%s: HTTP CONNECT failed\n", prog);
2106 BIO *fbio = BIO_new(BIO_f_buffer());
2108 BIO_push(fbio, sbio);
2109 BIO_printf(fbio, "STARTTLS\r\n");
2110 (void)BIO_flush(fbio);
2111 width = SSL_get_fd(con) + 1;
2117 openssl_fdset(SSL_get_fd(con), &readfds);
2118 timeout.tv_sec = S_CLIENT_IRC_READ_TIMEOUT;
2119 timeout.tv_usec = 0;
2121 * If the IRCd doesn't respond within
2122 * S_CLIENT_IRC_READ_TIMEOUT seconds, assume
2123 * it doesn't support STARTTLS. Many IRCds
2124 * will not give _any_ sort of response to a
2125 * STARTTLS command when it's not supported.
2127 if (!BIO_get_buffer_num_lines(fbio)
2128 && !BIO_pending(fbio)
2129 && !BIO_pending(sbio)
2130 && select(width, (void *)&readfds, NULL, NULL,
2133 "Timeout waiting for response (%d seconds).\n",
2134 S_CLIENT_IRC_READ_TIMEOUT);
2138 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2139 if (mbuf_len < 1 || sscanf(mbuf, "%*s %d", &numeric) != 1)
2141 /* :example.net 451 STARTTLS :You have not registered */
2142 /* :example.net 421 STARTTLS :Unknown command */
2143 if ((numeric == 451 || numeric == 421)
2144 && strstr(mbuf, "STARTTLS") != NULL) {
2145 BIO_printf(bio_err, "STARTTLS not supported: %s", mbuf);
2148 if (numeric == 691) {
2149 BIO_printf(bio_err, "STARTTLS negotiation failed: ");
2150 ERR_print_errors(bio_err);
2153 } while (numeric != 670);
2155 (void)BIO_flush(fbio);
2158 if (numeric != 670) {
2159 BIO_printf(bio_err, "Server does not support STARTTLS.\n");
2170 if ((SSL_version(con) == DTLS1_VERSION) &&
2171 DTLSv1_get_timeout(con, &timeout))
2172 timeoutp = &timeout;
2176 if (SSL_in_init(con) && !SSL_total_renegotiations(con)) {
2184 if (servername != NULL && !SSL_session_reused(con)) {
2185 BIO_printf(bio_c_out,
2186 "Server did %sacknowledge servername extension.\n",
2187 tlsextcbp.ack ? "" : "not ");
2191 BIO *stmp = BIO_new_file(sess_out, "w");
2193 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));
2196 BIO_printf(bio_err, "Error writing session file %s\n",
2200 BIO_puts(bio_err, "CONNECTION ESTABLISHED\n");
2201 print_ssl_summary(con);
2204 print_stuff(bio_c_out, con, full_log);
2208 if (starttls_proto) {
2209 BIO_write(bio_err, mbuf, mbuf_len);
2210 /* We don't need to know any more */
2212 starttls_proto = PROTO_OFF;
2217 BIO_printf(bio_c_out,
2218 "drop connection and then reconnect\n");
2219 do_ssl_shutdown(con);
2220 SSL_set_connect_state(con);
2221 BIO_closesocket(SSL_get_fd(con));
2227 ssl_pending = read_ssl && SSL_has_pending(con);
2230 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
2233 openssl_fdset(fileno(stdin), &readfds);
2235 openssl_fdset(fileno(stdout), &writefds);
2238 openssl_fdset(SSL_get_fd(con), &readfds);
2240 openssl_fdset(SSL_get_fd(con), &writefds);
2242 if (!tty_on || !write_tty) {
2244 openssl_fdset(SSL_get_fd(con), &readfds);
2246 openssl_fdset(SSL_get_fd(con), &writefds);
2251 * Note: under VMS with SOCKETSHR the second parameter is
2252 * currently of type (int *) whereas under other systems it is
2253 * (void *) if you don't have a cast it will choke the compiler:
2254 * if you do have a cast then you can either go for (int *) or
2257 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2259 * Under Windows/DOS we make the assumption that we can always
2260 * write to the tty: therefore if we need to write to the tty we
2261 * just fall through. Otherwise we timeout the select every
2262 * second and see if there are any keypresses. Note: this is a
2263 * hack, in a proper Windows application we wouldn't do this.
2270 i = select(width, (void *)&readfds, (void *)&writefds,
2272 # if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
2273 if (!i && (!_kbhit() || !read_tty))
2276 if (!i && (!((_kbhit())
2277 || (WAIT_OBJECT_0 ==
2278 WaitForSingleObject(GetStdHandle
2285 i = select(width, (void *)&readfds, (void *)&writefds,
2289 i = select(width, (void *)&readfds, (void *)&writefds,
2293 BIO_printf(bio_err, "bad select %d\n",
2294 get_last_socket_error());
2300 if ((SSL_version(con) == DTLS1_VERSION)
2301 && DTLSv1_handle_timeout(con) > 0) {
2302 BIO_printf(bio_err, "TIMEOUT occurred\n");
2305 if (!ssl_pending && FD_ISSET(SSL_get_fd(con), &writefds)) {
2306 k = SSL_write(con, &(cbuf[cbuf_off]), (unsigned int)cbuf_len);
2307 switch (SSL_get_error(con, k)) {
2308 case SSL_ERROR_NONE:
2313 /* we have done a write(con,NULL,0); */
2314 if (cbuf_len <= 0) {
2317 } else { /* if (cbuf_len > 0) */
2323 case SSL_ERROR_WANT_WRITE:
2324 BIO_printf(bio_c_out, "write W BLOCK\n");
2328 case SSL_ERROR_WANT_ASYNC:
2329 BIO_printf(bio_c_out, "write A BLOCK\n");
2330 wait_for_async(con);
2334 case SSL_ERROR_WANT_READ:
2335 BIO_printf(bio_c_out, "write R BLOCK\n");
2340 case SSL_ERROR_WANT_X509_LOOKUP:
2341 BIO_printf(bio_c_out, "write X BLOCK\n");
2343 case SSL_ERROR_ZERO_RETURN:
2344 if (cbuf_len != 0) {
2345 BIO_printf(bio_c_out, "shutdown\n");
2354 case SSL_ERROR_SYSCALL:
2355 if ((k != 0) || (cbuf_len != 0)) {
2356 BIO_printf(bio_err, "write:errno=%d\n",
2357 get_last_socket_error());
2364 case SSL_ERROR_WANT_ASYNC_JOB:
2365 /* This shouldn't ever happen in s_client - treat as an error */
2367 ERR_print_errors(bio_err);
2371 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2372 /* Assume Windows/DOS/BeOS can always write */
2373 else if (!ssl_pending && write_tty)
2375 else if (!ssl_pending && FD_ISSET(fileno(stdout), &writefds))
2378 #ifdef CHARSET_EBCDIC
2379 ascii2ebcdic(&(sbuf[sbuf_off]), &(sbuf[sbuf_off]), sbuf_len);
2381 i = raw_write_stdout(&(sbuf[sbuf_off]), sbuf_len);
2384 BIO_printf(bio_c_out, "DONE\n");
2392 if (sbuf_len <= 0) {
2396 } else if (ssl_pending || FD_ISSET(SSL_get_fd(con), &readfds)) {
2401 SSL_renegotiate(con);
2406 k = SSL_read(con, sbuf, 1024 /* BUFSIZZ */ );
2408 switch (SSL_get_error(con, k)) {
2409 case SSL_ERROR_NONE:
2418 case SSL_ERROR_WANT_ASYNC:
2419 BIO_printf(bio_c_out, "read A BLOCK\n");
2420 wait_for_async(con);
2423 if ((read_tty == 0) && (write_ssl == 0))
2426 case SSL_ERROR_WANT_WRITE:
2427 BIO_printf(bio_c_out, "read W BLOCK\n");
2431 case SSL_ERROR_WANT_READ:
2432 BIO_printf(bio_c_out, "read R BLOCK\n");
2435 if ((read_tty == 0) && (write_ssl == 0))
2438 case SSL_ERROR_WANT_X509_LOOKUP:
2439 BIO_printf(bio_c_out, "read X BLOCK\n");
2441 case SSL_ERROR_SYSCALL:
2442 ret = get_last_socket_error();
2444 BIO_puts(bio_err, "CONNECTION CLOSED BY SERVER\n");
2446 BIO_printf(bio_err, "read:errno=%d\n", ret);
2448 case SSL_ERROR_ZERO_RETURN:
2449 BIO_printf(bio_c_out, "closed\n");
2452 case SSL_ERROR_WANT_ASYNC_JOB:
2453 /* This shouldn't ever happen in s_client. Treat as an error */
2455 ERR_print_errors(bio_err);
2460 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2461 # if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
2465 || (WAIT_OBJECT_0 ==
2466 WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
2469 else if (FD_ISSET(fileno(stdin), &readfds))
2475 i = raw_read_stdin(cbuf, BUFSIZZ / 2);
2477 /* both loops are skipped when i <= 0 */
2478 for (j = 0; j < i; j++)
2479 if (cbuf[j] == '\n')
2481 for (j = i - 1; j >= 0; j--) {
2482 cbuf[j + lf_num] = cbuf[j];
2483 if (cbuf[j] == '\n') {
2486 cbuf[j + lf_num] = '\r';
2489 assert(lf_num == 0);
2491 i = raw_read_stdin(cbuf, BUFSIZZ);
2493 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q' && cmdletters))) {
2494 BIO_printf(bio_err, "DONE\n");
2499 if ((!c_ign_eof) && (cbuf[0] == 'R' && cmdletters)) {
2500 BIO_printf(bio_err, "RENEGOTIATING\n");
2501 SSL_renegotiate(con);
2504 #ifndef OPENSSL_NO_HEARTBEATS
2505 else if ((!c_ign_eof) && (cbuf[0] == 'B' && cmdletters)) {
2506 BIO_printf(bio_err, "HEARTBEATING\n");
2514 #ifdef CHARSET_EBCDIC
2515 ebcdic2ascii(cbuf, cbuf, i);
2527 print_stuff(bio_c_out, con, full_log);
2528 do_ssl_shutdown(con);
2529 BIO_closesocket(SSL_get_fd(con));
2533 print_stuff(bio_c_out, con, 1);
2536 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2537 OPENSSL_free(next_proto.data);
2541 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2543 sk_X509_pop_free(chain, X509_free);
2545 #ifndef OPENSSL_NO_SRP
2546 OPENSSL_free(srp_arg.srppassin);
2550 X509_VERIFY_PARAM_free(vpm);
2551 ssl_excert_free(exc);
2552 sk_OPENSSL_STRING_free(ssl_args);
2553 sk_OPENSSL_STRING_free(dane_tlsa_rrset);
2554 SSL_CONF_CTX_free(cctx);
2555 OPENSSL_clear_free(cbuf, BUFSIZZ);
2556 OPENSSL_clear_free(sbuf, BUFSIZZ);
2557 OPENSSL_clear_free(mbuf, BUFSIZZ);
2558 BIO_free(bio_c_out);
2560 BIO_free(bio_c_msg);
2565 static void print_stuff(BIO *bio, SSL *s, int full)
2570 STACK_OF(X509_NAME) *sk2;
2571 const SSL_CIPHER *c;
2574 #ifndef OPENSSL_NO_COMP
2575 const COMP_METHOD *comp, *expansion;
2577 unsigned char *exportedkeymat;
2578 #ifndef OPENSSL_NO_CT
2579 const SSL_CTX *ctx = SSL_get_SSL_CTX(s);
2583 int got_a_chain = 0;
2585 sk = SSL_get_peer_cert_chain(s);
2589 BIO_printf(bio, "---\nCertificate chain\n");
2590 for (i = 0; i < sk_X509_num(sk); i++) {
2591 X509_NAME_oneline(X509_get_subject_name(sk_X509_value(sk, i)),
2593 BIO_printf(bio, "%2d s:%s\n", i, buf);
2594 X509_NAME_oneline(X509_get_issuer_name(sk_X509_value(sk, i)),
2596 BIO_printf(bio, " i:%s\n", buf);
2598 PEM_write_bio_X509(bio, sk_X509_value(sk, i));
2602 BIO_printf(bio, "---\n");
2603 peer = SSL_get_peer_certificate(s);
2605 BIO_printf(bio, "Server certificate\n");
2607 /* Redundant if we showed the whole chain */
2608 if (!(c_showcerts && got_a_chain))
2609 PEM_write_bio_X509(bio, peer);
2610 X509_NAME_oneline(X509_get_subject_name(peer), buf, sizeof buf);
2611 BIO_printf(bio, "subject=%s\n", buf);
2612 X509_NAME_oneline(X509_get_issuer_name(peer), buf, sizeof buf);
2613 BIO_printf(bio, "issuer=%s\n", buf);
2615 BIO_printf(bio, "no peer certificate available\n");
2617 sk2 = SSL_get_client_CA_list(s);
2618 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0)) {
2619 BIO_printf(bio, "---\nAcceptable client certificate CA names\n");
2620 for (i = 0; i < sk_X509_NAME_num(sk2); i++) {
2621 xn = sk_X509_NAME_value(sk2, i);
2622 X509_NAME_oneline(xn, buf, sizeof(buf));
2623 BIO_write(bio, buf, strlen(buf));
2624 BIO_write(bio, "\n", 1);
2627 BIO_printf(bio, "---\nNo client certificate CA names sent\n");
2630 ssl_print_sigalgs(bio, s);
2631 ssl_print_tmp_key(bio, s);
2633 #ifndef OPENSSL_NO_CT
2635 * When the SSL session is anonymous, or resumed via an abbreviated
2636 * handshake, no SCTs are provided as part of the handshake. While in
2637 * a resumed session SCTs may be present in the session's certificate,
2638 * no callbacks are invoked to revalidate these, and in any case that
2639 * set of SCTs may be incomplete. Thus it makes little sense to
2640 * attempt to display SCTs from a resumed session's certificate, and of
2641 * course none are associated with an anonymous peer.
2643 if (peer != NULL && !SSL_session_reused(s) && SSL_ct_is_enabled(s)) {
2644 const STACK_OF(SCT) *scts = SSL_get0_peer_scts(s);
2645 int sct_count = scts != NULL ? sk_SCT_num(scts) : 0;
2647 BIO_printf(bio, "---\nSCTs present (%i)\n", sct_count);
2648 if (sct_count > 0) {
2649 const CTLOG_STORE *log_store = SSL_CTX_get0_ctlog_store(ctx);
2651 BIO_printf(bio, "---\n");
2652 for (i = 0; i < sct_count; ++i) {
2653 SCT *sct = sk_SCT_value(scts, i);
2655 BIO_printf(bio, "SCT validation status: %s\n",
2656 SCT_validation_status_string(sct));
2657 SCT_print(sct, bio, 0, log_store);
2658 if (i < sct_count - 1)
2659 BIO_printf(bio, "\n---\n");
2661 BIO_printf(bio, "\n");
2667 "---\nSSL handshake has read %"PRIu64" bytes and written %"PRIu64" bytes\n",
2668 BIO_number_read(SSL_get_rbio(s)),
2669 BIO_number_written(SSL_get_wbio(s)));
2671 print_verify_detail(s, bio);
2672 BIO_printf(bio, (SSL_session_reused(s) ? "---\nReused, " : "---\nNew, "));
2673 c = SSL_get_current_cipher(s);
2674 BIO_printf(bio, "%s, Cipher is %s\n",
2675 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
2678 pktmp = X509_get0_pubkey(peer);
2679 BIO_printf(bio, "Server public key is %d bit\n",
2680 EVP_PKEY_bits(pktmp));
2682 BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
2683 SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
2684 #ifndef OPENSSL_NO_COMP
2685 comp = SSL_get_current_compression(s);
2686 expansion = SSL_get_current_expansion(s);
2687 BIO_printf(bio, "Compression: %s\n",
2688 comp ? SSL_COMP_get_name(comp) : "NONE");
2689 BIO_printf(bio, "Expansion: %s\n",
2690 expansion ? SSL_COMP_get_name(expansion) : "NONE");
2695 /* Print out local port of connection: useful for debugging */
2697 struct sockaddr_in ladd;
2698 socklen_t ladd_size = sizeof(ladd);
2699 sock = SSL_get_fd(s);
2700 getsockname(sock, (struct sockaddr *)&ladd, &ladd_size);
2701 BIO_printf(bio_c_out, "LOCAL PORT is %u\n", ntohs(ladd.sin_port));
2705 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2706 if (next_proto.status != -1) {
2707 const unsigned char *proto;
2708 unsigned int proto_len;
2709 SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
2710 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
2711 BIO_write(bio, proto, proto_len);
2712 BIO_write(bio, "\n", 1);
2716 const unsigned char *proto;
2717 unsigned int proto_len;
2718 SSL_get0_alpn_selected(s, &proto, &proto_len);
2719 if (proto_len > 0) {
2720 BIO_printf(bio, "ALPN protocol: ");
2721 BIO_write(bio, proto, proto_len);
2722 BIO_write(bio, "\n", 1);
2724 BIO_printf(bio, "No ALPN negotiated\n");
2727 #ifndef OPENSSL_NO_SRTP
2729 SRTP_PROTECTION_PROFILE *srtp_profile =
2730 SSL_get_selected_srtp_profile(s);
2733 BIO_printf(bio, "SRTP Extension negotiated, profile=%s\n",
2734 srtp_profile->name);
2738 SSL_SESSION_print(bio, SSL_get_session(s));
2739 if (keymatexportlabel != NULL) {
2740 BIO_printf(bio, "Keying material exporter:\n");
2741 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel);
2742 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen);
2743 exportedkeymat = app_malloc(keymatexportlen, "export key");
2744 if (!SSL_export_keying_material(s, exportedkeymat,
2747 strlen(keymatexportlabel),
2749 BIO_printf(bio, " Error\n");
2751 BIO_printf(bio, " Keying material: ");
2752 for (i = 0; i < keymatexportlen; i++)
2753 BIO_printf(bio, "%02X", exportedkeymat[i]);
2754 BIO_printf(bio, "\n");
2756 OPENSSL_free(exportedkeymat);
2758 BIO_printf(bio, "---\n");
2760 /* flush, or debugging output gets mixed with http response */
2761 (void)BIO_flush(bio);
2764 # ifndef OPENSSL_NO_OCSP
2765 static int ocsp_resp_cb(SSL *s, void *arg)
2767 const unsigned char *p;
2770 len = SSL_get_tlsext_status_ocsp_resp(s, &p);
2771 BIO_puts(arg, "OCSP response: ");
2773 BIO_puts(arg, "no response sent\n");
2776 rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
2778 BIO_puts(arg, "response parse error\n");
2779 BIO_dump_indent(arg, (char *)p, len, 4);
2782 BIO_puts(arg, "\n======================================\n");
2783 OCSP_RESPONSE_print(arg, rsp, 0);
2784 BIO_puts(arg, "======================================\n");
2785 OCSP_RESPONSE_free(rsp);