2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
58 /* ====================================================================
59 * Copyright (c) 1998-2006 The OpenSSL Project. All rights reserved.
61 * Redistribution and use in source and binary forms, with or without
62 * modification, are permitted provided that the following conditions
65 * 1. Redistributions of source code must retain the above copyright
66 * notice, this list of conditions and the following disclaimer.
68 * 2. Redistributions in binary form must reproduce the above copyright
69 * notice, this list of conditions and the following disclaimer in
70 * the documentation and/or other materials provided with the
73 * 3. All advertising materials mentioning features or use of this
74 * software must display the following acknowledgment:
75 * "This product includes software developed by the OpenSSL Project
76 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
78 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
79 * endorse or promote products derived from this software without
80 * prior written permission. For written permission, please contact
81 * openssl-core@openssl.org.
83 * 5. Products derived from this software may not be called "OpenSSL"
84 * nor may "OpenSSL" appear in their names without prior written
85 * permission of the OpenSSL Project.
87 * 6. Redistributions of any form whatsoever must retain the following
89 * "This product includes software developed by the OpenSSL Project
90 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
92 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
93 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
94 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
95 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
96 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
97 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
98 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
99 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
100 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
101 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
102 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
103 * OF THE POSSIBILITY OF SUCH DAMAGE.
104 * ====================================================================
106 * This product includes cryptographic software written by Eric Young
107 * (eay@cryptsoft.com). This product includes software written by Tim
108 * Hudson (tjh@cryptsoft.com).
111 /* ====================================================================
112 * Copyright 2005 Nokia. All rights reserved.
114 * The portions of the attached software ("Contribution") is developed by
115 * Nokia Corporation and is licensed pursuant to the OpenSSL open source
118 * The Contribution, originally written by Mika Kousa and Pasi Eronen of
119 * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
120 * support (see RFC 4279) to OpenSSL.
122 * No patent licenses or other rights except those expressly stated in
123 * the OpenSSL open source license shall be deemed granted or received
124 * expressly, by implication, estoppel, or otherwise.
126 * No assurances are provided by Nokia that the Contribution does not
127 * infringe the patent or other intellectual property rights of any third
128 * party or that the license provides you with all the necessary rights
129 * to make use of the Contribution.
131 * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
132 * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
133 * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
134 * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
143 #include <openssl/e_os2.h>
144 #ifdef OPENSSL_NO_STDIO
149 * With IPv6, it looks like Digital has mixed up the proper order of
150 * recursive header file inclusion, resulting in the compiler complaining
151 * that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which is
152 * needed to have fileno() declared correctly... So let's define u_int
154 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
156 typedef unsigned int u_int;
161 #include <openssl/x509.h>
162 #include <openssl/ssl.h>
163 #include <openssl/err.h>
164 #include <openssl/pem.h>
165 #include <openssl/rand.h>
166 #include <openssl/ocsp.h>
167 #include <openssl/bn.h>
168 #ifndef OPENSSL_NO_SRP
169 # include <openssl/srp.h>
172 #include "timeouts.h"
174 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
175 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
179 #if defined(OPENSSL_SYS_BEOS_R5)
184 #define PROG s_client_main
187 * #define SSL_HOST_NAME "www.netscape.com"
190 * #define SSL_HOST_NAME "193.118.187.102"
192 #define SSL_HOST_NAME "localhost"
194 /* no default cert. */
196 * #define TEST_CERT "client.pem"
200 #define BUFSIZZ 1024*8
202 extern int verify_depth;
203 extern int verify_error;
204 extern int verify_return_error;
205 extern int verify_quiet;
208 static int c_nbio = 0;
210 static int c_Pause = 0;
211 static int c_debug = 0;
212 #ifndef OPENSSL_NO_TLSEXT
213 static int c_tlsextdebug = 0;
214 static int c_status_req = 0;
216 static int c_msg = 0;
217 static int c_showcerts = 0;
219 static char *keymatexportlabel = NULL;
220 static int keymatexportlen = 20;
222 static void sc_usage(void);
223 static void print_stuff(BIO *berr, SSL *con, int full);
224 #ifndef OPENSSL_NO_TLSEXT
225 static int ocsp_resp_cb(SSL *s, void *arg);
227 static BIO *bio_c_out = NULL;
228 static BIO *bio_c_msg = NULL;
229 static int c_quiet = 0;
230 static int c_ign_eof = 0;
231 static int c_brief = 0;
233 #ifndef OPENSSL_NO_PSK
234 /* Default PSK identity and key */
235 static char *psk_identity = "Client_identity";
237 * char *psk_key=NULL; by default PSK is not used
240 static unsigned int psk_client_cb(SSL *ssl, const char *hint, char *identity,
241 unsigned int max_identity_len,
243 unsigned int max_psk_len)
245 unsigned int psk_len = 0;
250 BIO_printf(bio_c_out, "psk_client_cb\n");
252 /* no ServerKeyExchange message */
254 BIO_printf(bio_c_out,
255 "NULL received PSK identity hint, continuing anyway\n");
257 BIO_printf(bio_c_out, "Received PSK identity hint '%s'\n", hint);
260 * lookup PSK identity and PSK key based on the given identity hint here
262 ret = BIO_snprintf(identity, max_identity_len, "%s", psk_identity);
263 if (ret < 0 || (unsigned int)ret > max_identity_len)
266 BIO_printf(bio_c_out, "created identity '%s' len=%d\n", identity,
268 ret = BN_hex2bn(&bn, psk_key);
270 BIO_printf(bio_err, "Could not convert PSK key '%s' to BIGNUM\n",
277 if ((unsigned int)BN_num_bytes(bn) > max_psk_len) {
279 "psk buffer of callback is too small (%d) for key (%d)\n",
280 max_psk_len, BN_num_bytes(bn));
285 psk_len = BN_bn2bin(bn, psk);
291 BIO_printf(bio_c_out, "created PSK len=%d\n", psk_len);
296 BIO_printf(bio_err, "Error in PSK client callback\n");
301 static void sc_usage(void)
303 BIO_printf(bio_err, "usage: s_client args\n");
304 BIO_printf(bio_err, "\n");
305 BIO_printf(bio_err, " -host host - use -connect instead\n");
306 BIO_printf(bio_err, " -port port - use -connect instead\n");
308 " -connect host:port - who to connect to (default is %s:%s)\n",
309 SSL_HOST_NAME, PORT_STR);
311 " -verify_host host - check peer certificate matches \"host\"\n");
313 " -verify_email email - check peer certificate matches \"email\"\n");
315 " -verify_ip ipaddr - check peer certificate matches \"ipaddr\"\n");
318 " -verify arg - turn on peer certificate verification\n");
320 " -verify_return_error - return verification errors\n");
322 " -cert arg - certificate file to use, PEM format assumed\n");
324 " -certform arg - certificate format (PEM or DER) PEM default\n");
326 " -key arg - Private key file to use, in cert file if\n");
327 BIO_printf(bio_err, " not specified but cert file is.\n");
329 " -keyform arg - key format (PEM or DER) PEM default\n");
331 " -pass arg - private key file pass phrase source\n");
332 BIO_printf(bio_err, " -CApath arg - PEM format directory of CA's\n");
333 BIO_printf(bio_err, " -CAfile arg - PEM format file of CA's\n");
335 " -reconnect - Drop and re-make the connection with the same Session-ID\n");
337 " -pause - sleep(1) after each read(2) and write(2) system call\n");
339 " -prexit - print session information even on connection failure\n");
341 " -showcerts - show all certificates in the chain\n");
342 BIO_printf(bio_err, " -debug - extra output\n");
344 BIO_printf(bio_err, " -wdebug - WATT-32 tcp debugging\n");
346 BIO_printf(bio_err, " -msg - Show protocol messages\n");
347 BIO_printf(bio_err, " -nbio_test - more ssl protocol testing\n");
348 BIO_printf(bio_err, " -state - print the 'ssl' states\n");
350 BIO_printf(bio_err, " -nbio - Run with non-blocking IO\n");
353 " -crlf - convert LF from terminal into CRLF\n");
354 BIO_printf(bio_err, " -quiet - no s_client output\n");
356 " -ign_eof - ignore input eof (default when -quiet)\n");
357 BIO_printf(bio_err, " -no_ign_eof - don't ignore input eof\n");
358 #ifndef OPENSSL_NO_PSK
359 BIO_printf(bio_err, " -psk_identity arg - PSK identity\n");
360 BIO_printf(bio_err, " -psk arg - PSK in hex (without 0x)\n");
361 # ifndef OPENSSL_NO_JPAKE
362 BIO_printf(bio_err, " -jpake arg - JPAKE secret to use\n");
365 #ifndef OPENSSL_NO_SRP
367 " -srpuser user - SRP authentification for 'user'\n");
368 BIO_printf(bio_err, " -srppass arg - password for 'user'\n");
370 " -srp_lateuser - SRP username into second ClientHello message\n");
372 " -srp_moregroups - Tolerate other than the known g N values.\n");
374 " -srp_strength int - minimal length in bits for N (default %d).\n",
377 BIO_printf(bio_err, " -ssl2 - just use SSLv2\n");
378 #ifndef OPENSSL_NO_SSL3_METHOD
379 BIO_printf(bio_err, " -ssl3 - just use SSLv3\n");
381 BIO_printf(bio_err, " -tls1_2 - just use TLSv1.2\n");
382 BIO_printf(bio_err, " -tls1_1 - just use TLSv1.1\n");
383 BIO_printf(bio_err, " -tls1 - just use TLSv1\n");
384 BIO_printf(bio_err, " -dtls1 - just use DTLSv1\n");
385 BIO_printf(bio_err, " -fallback_scsv - send TLS_FALLBACK_SCSV\n");
386 BIO_printf(bio_err, " -mtu - set the link layer MTU\n");
388 " -no_tls1_2/-no_tls1_1/-no_tls1/-no_ssl3/-no_ssl2 - turn off that protocol\n");
390 " -bugs - Switch on all SSL implementation bug workarounds\n");
392 " -serverpref - Use server's cipher preferences (only SSLv2)\n");
394 " -cipher - preferred cipher to use, use the 'openssl ciphers'\n");
396 " command to see what is available\n");
398 " -starttls prot - use the STARTTLS command before starting TLS\n");
400 " for those protocols that support it, where\n");
402 " 'prot' defines which one to assume. Currently,\n");
404 " only \"smtp\", \"pop3\", \"imap\", \"ftp\" and \"xmpp\"\n");
405 BIO_printf(bio_err, " are supported.\n");
406 #ifndef OPENSSL_NO_ENGINE
408 " -engine id - Initialise and use the specified engine\n");
410 BIO_printf(bio_err, " -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR,
411 LIST_SEPARATOR_CHAR);
412 BIO_printf(bio_err, " -sess_out arg - file to write SSL session to\n");
413 BIO_printf(bio_err, " -sess_in arg - file to read SSL session from\n");
414 #ifndef OPENSSL_NO_TLSEXT
416 " -servername host - Set TLS extension servername in ClientHello\n");
418 " -tlsextdebug - hex dump of all TLS extensions received\n");
420 " -status - request certificate status from server\n");
422 " -no_ticket - disable use of RFC4507bis session tickets\n");
424 " -serverinfo types - send empty ClientHello extensions (comma-separated numbers)\n");
426 #ifndef OPENSSL_NO_NEXTPROTONEG
428 " -nextprotoneg arg - enable NPN extension, considering named protocols supported (comma-separated list)\n");
431 " -alpn arg - enable ALPN extension, considering named protocols supported (comma-separated list)\n");
433 " -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
434 #ifndef OPENSSL_NO_SRTP
436 " -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
439 " -keymatexport label - Export keying material using label\n");
441 " -keymatexportlen len - Export len bytes of keying material (default 20)\n");
444 #ifndef OPENSSL_NO_TLSEXT
446 /* This is a context that we pass to callbacks */
447 typedef struct tlsextctx_st {
452 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
454 tlsextctx *p = (tlsextctx *) arg;
455 const char *hn = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
456 if (SSL_get_servername_type(s) != -1)
457 p->ack = !SSL_session_reused(s) && hn != NULL;
459 BIO_printf(bio_err, "Can't use SSL_get_servername\n");
461 return SSL_TLSEXT_ERR_OK;
464 # ifndef OPENSSL_NO_SRP
466 /* This is a context that we pass to all callbacks */
467 typedef struct srp_arg_st {
470 int msg; /* copy from c_msg */
471 int debug; /* copy from c_debug */
472 int amp; /* allow more groups */
473 int strength /* minimal size for N */ ;
476 # define SRP_NUMBER_ITERATIONS_FOR_PRIME 64
478 static int srp_Verify_N_and_g(BIGNUM *N, BIGNUM *g)
480 BN_CTX *bn_ctx = BN_CTX_new();
481 BIGNUM *p = BN_new();
482 BIGNUM *r = BN_new();
484 g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) &&
485 BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
486 p != NULL && BN_rshift1(p, N) &&
488 BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
490 /* verify g^((N-1)/2) == -1 (mod N) */
491 BN_mod_exp(r, g, p, N, bn_ctx) &&
492 BN_add_word(r, 1) && BN_cmp(r, N) == 0;
504 * This callback is used here for two purposes:
505 * - extended debugging
506 * - making some primality tests for unknown groups
507 * The callback is only called for a non default group.
509 * An application does not need the call back at all if
510 * only the stanard groups are used. In real life situations,
511 * client and server already share well known groups,
512 * thus there is no need to verify them.
513 * Furthermore, in case that a server actually proposes a group that
514 * is not one of those defined in RFC 5054, it is more appropriate
515 * to add the group to a static list and then compare since
516 * primality tests are rather cpu consuming.
519 static int MS_CALLBACK ssl_srp_verify_param_cb(SSL *s, void *arg)
521 SRP_ARG *srp_arg = (SRP_ARG *)arg;
522 BIGNUM *N = NULL, *g = NULL;
523 if (!(N = SSL_get_srp_N(s)) || !(g = SSL_get_srp_g(s)))
525 if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1) {
526 BIO_printf(bio_err, "SRP parameters:\n");
527 BIO_printf(bio_err, "\tN=");
528 BN_print(bio_err, N);
529 BIO_printf(bio_err, "\n\tg=");
530 BN_print(bio_err, g);
531 BIO_printf(bio_err, "\n");
534 if (SRP_check_known_gN_param(g, N))
537 if (srp_arg->amp == 1) {
540 "SRP param N and g are not known params, going to check deeper.\n");
543 * The srp_moregroups is a real debugging feature. Implementors
544 * should rather add the value to the known ones. The minimal size
545 * has already been tested.
547 if (BN_num_bits(g) <= BN_BITS && srp_Verify_N_and_g(N, g))
550 BIO_printf(bio_err, "SRP param N and g rejected.\n");
554 # define PWD_STRLEN 1024
556 static char *MS_CALLBACK ssl_give_srp_client_pwd_cb(SSL *s, void *arg)
558 SRP_ARG *srp_arg = (SRP_ARG *)arg;
559 char *pass = (char *)OPENSSL_malloc(PWD_STRLEN + 1);
563 cb_tmp.password = (char *)srp_arg->srppassin;
564 cb_tmp.prompt_info = "SRP user";
565 if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp)) < 0) {
566 BIO_printf(bio_err, "Can't read Password\n");
576 # ifndef OPENSSL_NO_SRTP
577 char *srtp_profiles = NULL;
580 # ifndef OPENSSL_NO_NEXTPROTONEG
581 /* This the context that we pass to next_proto_cb */
582 typedef struct tlsextnextprotoctx_st {
586 } tlsextnextprotoctx;
588 static tlsextnextprotoctx next_proto;
590 static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen,
591 const unsigned char *in, unsigned int inlen,
594 tlsextnextprotoctx *ctx = arg;
597 /* We can assume that |in| is syntactically valid. */
599 BIO_printf(bio_c_out, "Protocols advertised by server: ");
600 for (i = 0; i < inlen;) {
602 BIO_write(bio_c_out, ", ", 2);
603 BIO_write(bio_c_out, &in[i + 1], in[i]);
606 BIO_write(bio_c_out, "\n", 1);
610 SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len);
611 return SSL_TLSEXT_ERR_OK;
613 # endif /* ndef OPENSSL_NO_NEXTPROTONEG */
615 static int serverinfo_cli_parse_cb(SSL *s, unsigned int ext_type,
616 const unsigned char *in, size_t inlen,
620 unsigned char ext_buf[4 + 65536];
622 /* Reconstruct the type/len fields prior to extension data */
623 ext_buf[0] = ext_type >> 8;
624 ext_buf[1] = ext_type & 0xFF;
625 ext_buf[2] = inlen >> 8;
626 ext_buf[3] = inlen & 0xFF;
627 memcpy(ext_buf + 4, in, inlen);
629 BIO_snprintf(pem_name, sizeof(pem_name), "SERVERINFO FOR EXTENSION %d",
631 PEM_write_bio(bio_c_out, pem_name, "", ext_buf, 4 + inlen);
646 int MAIN(int, char **);
648 int MAIN(int argc, char **argv)
652 #ifndef OPENSSL_NO_KRB5
655 int s, k, width, state = 0;
656 char *cbuf = NULL, *sbuf = NULL, *mbuf = NULL;
657 int cbuf_len, cbuf_off;
658 int sbuf_len, sbuf_off;
659 fd_set readfds, writefds;
662 char *host = SSL_HOST_NAME;
663 char *cert_file = NULL, *key_file = NULL, *chain_file = NULL;
664 int cert_format = FORMAT_PEM, key_format = FORMAT_PEM;
665 char *passarg = NULL, *pass = NULL;
667 EVP_PKEY *key = NULL;
668 STACK_OF(X509) *chain = NULL;
669 char *CApath = NULL, *CAfile = NULL;
670 char *chCApath = NULL, *chCAfile = NULL;
671 char *vfyCApath = NULL, *vfyCAfile = NULL;
672 int reconnect = 0, badop = 0, verify = SSL_VERIFY_NONE;
674 int write_tty, read_tty, write_ssl, read_ssl, tty_on, ssl_pending;
676 int ret = 1, in_init = 1, i, nbio_test = 0;
677 int starttls_proto = PROTO_OFF;
679 X509_VERIFY_PARAM *vpm = NULL;
681 const SSL_METHOD *meth = NULL;
682 int socket_type = SOCK_STREAM;
686 struct timeval timeout, *timeoutp;
687 #ifndef OPENSSL_NO_ENGINE
688 char *engine_id = NULL;
689 char *ssl_client_engine_id = NULL;
690 ENGINE *ssl_client_engine = NULL;
693 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
695 # if defined(OPENSSL_SYS_BEOS_R5)
699 #ifndef OPENSSL_NO_TLSEXT
700 char *servername = NULL;
701 tlsextctx tlsextcbp = { NULL, 0 };
702 # ifndef OPENSSL_NO_NEXTPROTONEG
703 const char *next_proto_neg_in = NULL;
705 const char *alpn_in = NULL;
706 # define MAX_SI_TYPES 100
707 unsigned short serverinfo_types[MAX_SI_TYPES];
708 int serverinfo_types_count = 0;
710 char *sess_in = NULL;
711 char *sess_out = NULL;
712 struct sockaddr peer;
713 int peerlen = sizeof(peer);
714 int fallback_scsv = 0;
715 int enable_timeouts = 0;
717 #ifndef OPENSSL_NO_JPAKE
718 static char *jpake_secret = NULL;
719 # define no_jpake !jpake_secret
723 #ifndef OPENSSL_NO_SRP
724 char *srppass = NULL;
725 int srp_lateuser = 0;
726 SRP_ARG srp_arg = { NULL, NULL, 0, 0, 0, 1024 };
728 SSL_EXCERT *exc = NULL;
730 SSL_CONF_CTX *cctx = NULL;
731 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
733 char *crl_file = NULL;
734 int crl_format = FORMAT_PEM;
735 int crl_download = 0;
736 STACK_OF(X509_CRL) *crls = NULL;
738 meth = SSLv23_client_method();
749 bio_err = BIO_new_fp(stderr, BIO_NOCLOSE);
751 if (!load_config(bio_err, NULL))
754 cctx = SSL_CONF_CTX_new();
757 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT);
758 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CMDLINE);
760 if (((cbuf = OPENSSL_malloc(BUFSIZZ)) == NULL) ||
761 ((sbuf = OPENSSL_malloc(BUFSIZZ)) == NULL) ||
762 ((mbuf = OPENSSL_malloc(BUFSIZZ)) == NULL)) {
763 BIO_printf(bio_err, "out of memory\n");
768 verify_error = X509_V_OK;
776 if (strcmp(*argv, "-host") == 0) {
780 } else if (strcmp(*argv, "-port") == 0) {
783 port = atoi(*(++argv));
786 } else if (strcmp(*argv, "-connect") == 0) {
789 if (!extract_host_port(*(++argv), &host, NULL, &port))
791 } else if (strcmp(*argv, "-verify") == 0) {
792 verify = SSL_VERIFY_PEER;
795 verify_depth = atoi(*(++argv));
797 BIO_printf(bio_err, "verify depth is %d\n", verify_depth);
798 } else if (strcmp(*argv, "-cert") == 0) {
801 cert_file = *(++argv);
802 } else if (strcmp(*argv, "-CRL") == 0) {
805 crl_file = *(++argv);
806 } else if (strcmp(*argv, "-crl_download") == 0)
808 else if (strcmp(*argv, "-sess_out") == 0) {
811 sess_out = *(++argv);
812 } else if (strcmp(*argv, "-sess_in") == 0) {
816 } else if (strcmp(*argv, "-certform") == 0) {
819 cert_format = str2fmt(*(++argv));
820 } else if (strcmp(*argv, "-CRLform") == 0) {
823 crl_format = str2fmt(*(++argv));
824 } else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm)) {
828 } else if (strcmp(*argv, "-verify_return_error") == 0)
829 verify_return_error = 1;
830 else if (strcmp(*argv, "-verify_quiet") == 0)
832 else if (strcmp(*argv, "-brief") == 0) {
836 } else if (args_excert(&argv, &argc, &badarg, bio_err, &exc)) {
840 } else if (args_ssl(&argv, &argc, cctx, &badarg, bio_err, &ssl_args)) {
844 } else if (strcmp(*argv, "-prexit") == 0)
846 else if (strcmp(*argv, "-crlf") == 0)
848 else if (strcmp(*argv, "-quiet") == 0) {
851 } else if (strcmp(*argv, "-ign_eof") == 0)
853 else if (strcmp(*argv, "-no_ign_eof") == 0)
855 else if (strcmp(*argv, "-pause") == 0)
857 else if (strcmp(*argv, "-debug") == 0)
859 #ifndef OPENSSL_NO_TLSEXT
860 else if (strcmp(*argv, "-tlsextdebug") == 0)
862 else if (strcmp(*argv, "-status") == 0)
866 else if (strcmp(*argv, "-wdebug") == 0)
869 else if (strcmp(*argv, "-msg") == 0)
871 else if (strcmp(*argv, "-msgfile") == 0) {
874 bio_c_msg = BIO_new_file(*(++argv), "w");
876 #ifndef OPENSSL_NO_SSL_TRACE
877 else if (strcmp(*argv, "-trace") == 0)
880 else if (strcmp(*argv, "-showcerts") == 0)
882 else if (strcmp(*argv, "-nbio_test") == 0)
884 else if (strcmp(*argv, "-state") == 0)
886 #ifndef OPENSSL_NO_PSK
887 else if (strcmp(*argv, "-psk_identity") == 0) {
890 psk_identity = *(++argv);
891 } else if (strcmp(*argv, "-psk") == 0) {
897 for (j = 0; j < strlen(psk_key); j++) {
898 if (isxdigit((unsigned char)psk_key[j]))
900 BIO_printf(bio_err, "Not a hex number '%s'\n", *argv);
905 #ifndef OPENSSL_NO_SRP
906 else if (strcmp(*argv, "-srpuser") == 0) {
909 srp_arg.srplogin = *(++argv);
910 meth = TLSv1_client_method();
911 } else if (strcmp(*argv, "-srppass") == 0) {
915 meth = TLSv1_client_method();
916 } else if (strcmp(*argv, "-srp_strength") == 0) {
919 srp_arg.strength = atoi(*(++argv));
920 BIO_printf(bio_err, "SRP minimal length for N is %d\n",
922 meth = TLSv1_client_method();
923 } else if (strcmp(*argv, "-srp_lateuser") == 0) {
925 meth = TLSv1_client_method();
926 } else if (strcmp(*argv, "-srp_moregroups") == 0) {
928 meth = TLSv1_client_method();
931 #ifndef OPENSSL_NO_SSL2
932 else if (strcmp(*argv, "-ssl2") == 0)
933 meth = SSLv2_client_method();
935 #ifndef OPENSSL_NO_SSL3_METHOD
936 else if (strcmp(*argv, "-ssl3") == 0)
937 meth = SSLv3_client_method();
939 #ifndef OPENSSL_NO_TLS1
940 else if (strcmp(*argv, "-tls1_2") == 0)
941 meth = TLSv1_2_client_method();
942 else if (strcmp(*argv, "-tls1_1") == 0)
943 meth = TLSv1_1_client_method();
944 else if (strcmp(*argv, "-tls1") == 0)
945 meth = TLSv1_client_method();
947 #ifndef OPENSSL_NO_DTLS1
948 else if (strcmp(*argv, "-dtls") == 0) {
949 meth = DTLS_client_method();
950 socket_type = SOCK_DGRAM;
951 } else if (strcmp(*argv, "-dtls1") == 0) {
952 meth = DTLSv1_client_method();
953 socket_type = SOCK_DGRAM;
954 } else if (strcmp(*argv, "-dtls1_2") == 0) {
955 meth = DTLSv1_2_client_method();
956 socket_type = SOCK_DGRAM;
957 } else if (strcmp(*argv, "-timeout") == 0)
959 else if (strcmp(*argv, "-mtu") == 0) {
962 socket_mtu = atol(*(++argv));
965 else if (strcmp(*argv, "-fallback_scsv") == 0) {
967 } else if (strcmp(*argv, "-keyform") == 0) {
970 key_format = str2fmt(*(++argv));
971 } else if (strcmp(*argv, "-pass") == 0) {
975 } else if (strcmp(*argv, "-cert_chain") == 0) {
978 chain_file = *(++argv);
979 } else if (strcmp(*argv, "-key") == 0) {
982 key_file = *(++argv);
983 } else if (strcmp(*argv, "-reconnect") == 0) {
985 } else if (strcmp(*argv, "-CApath") == 0) {
989 } else if (strcmp(*argv, "-chainCApath") == 0) {
992 chCApath = *(++argv);
993 } else if (strcmp(*argv, "-verifyCApath") == 0) {
996 vfyCApath = *(++argv);
997 } else if (strcmp(*argv, "-build_chain") == 0)
999 else if (strcmp(*argv, "-CAfile") == 0) {
1003 } else if (strcmp(*argv, "-chainCAfile") == 0) {
1006 chCAfile = *(++argv);
1007 } else if (strcmp(*argv, "-verifyCAfile") == 0) {
1010 vfyCAfile = *(++argv);
1012 #ifndef OPENSSL_NO_TLSEXT
1013 # ifndef OPENSSL_NO_NEXTPROTONEG
1014 else if (strcmp(*argv, "-nextprotoneg") == 0) {
1017 next_proto_neg_in = *(++argv);
1020 else if (strcmp(*argv, "-alpn") == 0) {
1023 alpn_in = *(++argv);
1024 } else if (strcmp(*argv, "-serverinfo") == 0) {
1032 serverinfo_types_count = 0;
1034 for (i = 0; i <= len; ++i) {
1035 if (i == len || c[i] == ',') {
1036 serverinfo_types[serverinfo_types_count]
1038 serverinfo_types_count++;
1041 if (serverinfo_types_count == MAX_SI_TYPES)
1047 else if (strcmp(*argv, "-nbio") == 0) {
1051 else if (strcmp(*argv, "-starttls") == 0) {
1055 if (strcmp(*argv, "smtp") == 0)
1056 starttls_proto = PROTO_SMTP;
1057 else if (strcmp(*argv, "pop3") == 0)
1058 starttls_proto = PROTO_POP3;
1059 else if (strcmp(*argv, "imap") == 0)
1060 starttls_proto = PROTO_IMAP;
1061 else if (strcmp(*argv, "ftp") == 0)
1062 starttls_proto = PROTO_FTP;
1063 else if (strcmp(*argv, "xmpp") == 0)
1064 starttls_proto = PROTO_XMPP;
1068 #ifndef OPENSSL_NO_ENGINE
1069 else if (strcmp(*argv, "-engine") == 0) {
1072 engine_id = *(++argv);
1073 } else if (strcmp(*argv, "-ssl_client_engine") == 0) {
1076 ssl_client_engine_id = *(++argv);
1079 else if (strcmp(*argv, "-rand") == 0) {
1084 #ifndef OPENSSL_NO_TLSEXT
1085 else if (strcmp(*argv, "-servername") == 0) {
1088 servername = *(++argv);
1089 /* meth=TLSv1_client_method(); */
1092 #ifndef OPENSSL_NO_JPAKE
1093 else if (strcmp(*argv, "-jpake") == 0) {
1096 jpake_secret = *++argv;
1099 #ifndef OPENSSL_NO_SRTP
1100 else if (strcmp(*argv, "-use_srtp") == 0) {
1103 srtp_profiles = *(++argv);
1106 else if (strcmp(*argv, "-keymatexport") == 0) {
1109 keymatexportlabel = *(++argv);
1110 } else if (strcmp(*argv, "-keymatexportlen") == 0) {
1113 keymatexportlen = atoi(*(++argv));
1114 if (keymatexportlen == 0)
1117 BIO_printf(bio_err, "unknown option %s\n", *argv);
1129 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1132 BIO_printf(bio_err, "Can't use JPAKE and PSK together\n");
1135 psk_identity = "JPAKE";
1139 OpenSSL_add_ssl_algorithms();
1140 SSL_load_error_strings();
1142 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
1143 next_proto.status = -1;
1144 if (next_proto_neg_in) {
1146 next_protos_parse(&next_proto.len, next_proto_neg_in);
1147 if (next_proto.data == NULL) {
1148 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n");
1152 next_proto.data = NULL;
1155 #ifndef OPENSSL_NO_ENGINE
1156 e = setup_engine(bio_err, engine_id, 1);
1157 if (ssl_client_engine_id) {
1158 ssl_client_engine = ENGINE_by_id(ssl_client_engine_id);
1159 if (!ssl_client_engine) {
1160 BIO_printf(bio_err, "Error getting client auth engine\n");
1165 if (!app_passwd(bio_err, passarg, NULL, &pass, NULL)) {
1166 BIO_printf(bio_err, "Error getting password\n");
1170 if (key_file == NULL)
1171 key_file = cert_file;
1175 key = load_key(bio_err, key_file, key_format, 0, pass, e,
1176 "client certificate private key file");
1178 ERR_print_errors(bio_err);
1185 cert = load_cert(bio_err, cert_file, cert_format,
1186 NULL, e, "client certificate file");
1189 ERR_print_errors(bio_err);
1195 chain = load_certs(bio_err, chain_file, FORMAT_PEM,
1196 NULL, e, "client certificate chain");
1203 crl = load_crl(crl_file, crl_format);
1205 BIO_puts(bio_err, "Error loading CRL\n");
1206 ERR_print_errors(bio_err);
1209 crls = sk_X509_CRL_new_null();
1210 if (!crls || !sk_X509_CRL_push(crls, crl)) {
1211 BIO_puts(bio_err, "Error adding CRL\n");
1212 ERR_print_errors(bio_err);
1218 if (!load_excert(&exc, bio_err))
1221 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1222 && !RAND_status()) {
1224 "warning, not much extra random data, consider using the -rand option\n");
1227 BIO_printf(bio_err, "%ld semi-random bytes loaded\n",
1228 app_RAND_load_files(inrand));
1230 if (bio_c_out == NULL) {
1231 if (c_quiet && !c_debug) {
1232 bio_c_out = BIO_new(BIO_s_null());
1233 if (c_msg && !bio_c_msg)
1234 bio_c_msg = BIO_new_fp(stdout, BIO_NOCLOSE);
1236 if (bio_c_out == NULL)
1237 bio_c_out = BIO_new_fp(stdout, BIO_NOCLOSE);
1240 #ifndef OPENSSL_NO_SRP
1241 if (!app_passwd(bio_err, srppass, NULL, &srp_arg.srppassin, NULL)) {
1242 BIO_printf(bio_err, "Error getting password\n");
1247 ctx = SSL_CTX_new(meth);
1249 ERR_print_errors(bio_err);
1254 SSL_CTX_set1_param(ctx, vpm);
1256 if (!args_ssl_call(ctx, bio_err, cctx, ssl_args, 1, no_jpake)) {
1257 ERR_print_errors(bio_err);
1261 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1262 crls, crl_download)) {
1263 BIO_printf(bio_err, "Error loading store locations\n");
1264 ERR_print_errors(bio_err);
1267 #ifndef OPENSSL_NO_ENGINE
1268 if (ssl_client_engine) {
1269 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine)) {
1270 BIO_puts(bio_err, "Error setting client auth engine\n");
1271 ERR_print_errors(bio_err);
1272 ENGINE_free(ssl_client_engine);
1275 ENGINE_free(ssl_client_engine);
1279 #ifndef OPENSSL_NO_PSK
1280 # ifdef OPENSSL_NO_JPAKE
1281 if (psk_key != NULL)
1283 if (psk_key != NULL || jpake_secret)
1287 BIO_printf(bio_c_out,
1288 "PSK key given or JPAKE in use, setting client callback\n");
1289 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
1292 #ifndef OPENSSL_NO_SRTP
1293 if (srtp_profiles != NULL)
1294 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1297 ssl_ctx_set_excert(ctx, exc);
1299 #if !defined(OPENSSL_NO_TLSEXT)
1300 # if !defined(OPENSSL_NO_NEXTPROTONEG)
1301 if (next_proto.data)
1302 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
1305 unsigned short alpn_len;
1306 unsigned char *alpn = next_protos_parse(&alpn_len, alpn_in);
1309 BIO_printf(bio_err, "Error parsing -alpn argument\n");
1312 SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len);
1316 #ifndef OPENSSL_NO_TLSEXT
1317 for (i = 0; i < serverinfo_types_count; i++) {
1318 SSL_CTX_add_client_custom_ext(ctx,
1319 serverinfo_types[i],
1321 serverinfo_cli_parse_cb, NULL);
1326 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1329 SSL_CTX_set_cipher_list(ctx, getenv("SSL_CIPHER"));
1332 SSL_CTX_set_verify(ctx, verify, verify_callback);
1334 if ((!SSL_CTX_load_verify_locations(ctx, CAfile, CApath)) ||
1335 (!SSL_CTX_set_default_verify_paths(ctx))) {
1337 * BIO_printf(bio_err,"error setting default verify locations\n");
1339 ERR_print_errors(bio_err);
1343 ssl_ctx_add_crls(ctx, crls, crl_download);
1344 if (!set_cert_key_stuff(ctx, cert, key, chain, build_chain))
1347 #ifndef OPENSSL_NO_TLSEXT
1348 if (servername != NULL) {
1349 tlsextcbp.biodebug = bio_err;
1350 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1351 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1353 # ifndef OPENSSL_NO_SRP
1354 if (srp_arg.srplogin) {
1355 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin)) {
1356 BIO_printf(bio_err, "Unable to set SRP username\n");
1359 srp_arg.msg = c_msg;
1360 srp_arg.debug = c_debug;
1361 SSL_CTX_set_srp_cb_arg(ctx, &srp_arg);
1362 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb);
1363 SSL_CTX_set_srp_strength(ctx, srp_arg.strength);
1364 if (c_msg || c_debug || srp_arg.amp == 0)
1365 SSL_CTX_set_srp_verify_param_callback(ctx,
1366 ssl_srp_verify_param_cb);
1374 BIO *stmp = BIO_new_file(sess_in, "r");
1376 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1377 ERR_print_errors(bio_err);
1380 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1383 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1384 ERR_print_errors(bio_err);
1387 SSL_set_session(con, sess);
1388 SSL_SESSION_free(sess);
1392 SSL_set_mode(con, SSL_MODE_SEND_FALLBACK_SCSV);
1394 #ifndef OPENSSL_NO_TLSEXT
1395 if (servername != NULL) {
1396 if (!SSL_set_tlsext_host_name(con, servername)) {
1397 BIO_printf(bio_err, "Unable to set TLS servername extension.\n");
1398 ERR_print_errors(bio_err);
1403 #ifndef OPENSSL_NO_KRB5
1404 if (con && (kctx = kssl_ctx_new()) != NULL) {
1405 SSL_set0_kssl_ctx(con, kctx);
1406 kssl_ctx_setstring(kctx, KSSL_SERVER, host);
1408 #endif /* OPENSSL_NO_KRB5 */
1409 /* SSL_set_cipher_list(con,"RC4-MD5"); */
1411 # ifdef TLSEXT_TYPE_opaque_prf_input
1412 SSL_set_tlsext_opaque_prf_input(con, "Test client", 11);
1418 if (init_client(&s, host, port, socket_type) == 0) {
1419 BIO_printf(bio_err, "connect:errno=%d\n", get_last_socket_error());
1423 BIO_printf(bio_c_out, "CONNECTED(%08X)\n", s);
1427 unsigned long l = 1;
1428 BIO_printf(bio_c_out, "turning on non blocking io\n");
1429 if (BIO_socket_ioctl(s, FIONBIO, &l) < 0) {
1430 ERR_print_errors(bio_err);
1436 SSL_set_debug(con, 1);
1438 if (socket_type == SOCK_DGRAM) {
1440 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
1441 if (getsockname(s, &peer, (void *)&peerlen) < 0) {
1442 BIO_printf(bio_err, "getsockname:errno=%d\n",
1443 get_last_socket_error());
1448 (void)BIO_ctrl_set_connected(sbio, 1, &peer);
1450 if (enable_timeouts) {
1452 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1453 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1456 timeout.tv_usec = DGRAM_SND_TIMEOUT;
1457 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1461 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
1462 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
1463 DTLS_get_link_min_mtu(con));
1467 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1468 if (!DTLS_set_link_mtu(con, socket_mtu)) {
1469 BIO_printf(bio_err, "Failed to set MTU\n");
1474 /* want to do MTU discovery */
1475 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1477 sbio = BIO_new_socket(s, BIO_NOCLOSE);
1482 test = BIO_new(BIO_f_nbio_test());
1483 sbio = BIO_push(test, sbio);
1487 SSL_set_debug(con, 1);
1488 BIO_set_callback(sbio, bio_dump_callback);
1489 BIO_set_callback_arg(sbio, (char *)bio_c_out);
1492 #ifndef OPENSSL_NO_SSL_TRACE
1494 SSL_set_msg_callback(con, SSL_trace);
1497 SSL_set_msg_callback(con, msg_cb);
1498 SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out);
1500 #ifndef OPENSSL_NO_TLSEXT
1501 if (c_tlsextdebug) {
1502 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1503 SSL_set_tlsext_debug_arg(con, bio_c_out);
1506 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
1507 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
1508 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
1511 STACK_OF(OCSP_RESPID) *ids = sk_OCSP_RESPID_new_null();
1512 OCSP_RESPID *id = OCSP_RESPID_new();
1513 id->value.byKey = ASN1_OCTET_STRING_new();
1514 id->type = V_OCSP_RESPID_KEY;
1515 ASN1_STRING_set(id->value.byKey, "Hello World", -1);
1516 sk_OCSP_RESPID_push(ids, id);
1517 SSL_set_tlsext_status_ids(con, ids);
1522 #ifndef OPENSSL_NO_JPAKE
1524 jpake_client_auth(bio_c_out, sbio, jpake_secret);
1527 SSL_set_bio(con, sbio, sbio);
1528 SSL_set_connect_state(con);
1530 /* ok, lets connect */
1531 width = SSL_get_fd(con) + 1;
1544 /* This is an ugly hack that does a lot of assumptions */
1546 * We do have to handle multi-line responses which may come in a single
1547 * packet or not. We therefore have to use BIO_gets() which does need a
1548 * buffering BIO. So during the initial chitchat we do push a buffering
1549 * BIO into the chain that is removed again later on to not disturb the
1550 * rest of the s_client operation.
1552 if (starttls_proto == PROTO_SMTP) {
1554 BIO *fbio = BIO_new(BIO_f_buffer());
1555 BIO_push(fbio, sbio);
1556 /* wait for multi-line response to end from SMTP */
1558 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1560 while (mbuf_len > 3 && mbuf[3] == '-');
1561 /* STARTTLS command requires EHLO... */
1562 BIO_printf(fbio, "EHLO openssl.client.net\r\n");
1563 (void)BIO_flush(fbio);
1564 /* wait for multi-line response to end EHLO SMTP response */
1566 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1567 if (strstr(mbuf, "STARTTLS"))
1570 while (mbuf_len > 3 && mbuf[3] == '-');
1571 (void)BIO_flush(fbio);
1576 "didn't found starttls in server response,"
1577 " try anyway...\n");
1578 BIO_printf(sbio, "STARTTLS\r\n");
1579 BIO_read(sbio, sbuf, BUFSIZZ);
1580 } else if (starttls_proto == PROTO_POP3) {
1581 BIO_read(sbio, mbuf, BUFSIZZ);
1582 BIO_printf(sbio, "STLS\r\n");
1583 BIO_read(sbio, sbuf, BUFSIZZ);
1584 } else if (starttls_proto == PROTO_IMAP) {
1586 BIO *fbio = BIO_new(BIO_f_buffer());
1587 BIO_push(fbio, sbio);
1588 BIO_gets(fbio, mbuf, BUFSIZZ);
1589 /* STARTTLS command requires CAPABILITY... */
1590 BIO_printf(fbio, ". CAPABILITY\r\n");
1591 (void)BIO_flush(fbio);
1592 /* wait for multi-line CAPABILITY response */
1594 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1595 if (strstr(mbuf, "STARTTLS"))
1598 while (mbuf_len > 3 && mbuf[0] != '.');
1599 (void)BIO_flush(fbio);
1604 "didn't found STARTTLS in server response,"
1605 " try anyway...\n");
1606 BIO_printf(sbio, ". STARTTLS\r\n");
1607 BIO_read(sbio, sbuf, BUFSIZZ);
1608 } else if (starttls_proto == PROTO_FTP) {
1609 BIO *fbio = BIO_new(BIO_f_buffer());
1610 BIO_push(fbio, sbio);
1611 /* wait for multi-line response to end from FTP */
1613 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1615 while (mbuf_len > 3 && mbuf[3] == '-');
1616 (void)BIO_flush(fbio);
1619 BIO_printf(sbio, "AUTH TLS\r\n");
1620 BIO_read(sbio, sbuf, BUFSIZZ);
1622 if (starttls_proto == PROTO_XMPP) {
1624 BIO_printf(sbio, "<stream:stream "
1625 "xmlns:stream='http://etherx.jabber.org/streams' "
1626 "xmlns='jabber:client' to='%s' version='1.0'>", host);
1627 seen = BIO_read(sbio, mbuf, BUFSIZZ);
1630 (mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")) {
1631 if (strstr(mbuf, "/stream:features>"))
1633 seen = BIO_read(sbio, mbuf, BUFSIZZ);
1637 "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
1638 seen = BIO_read(sbio, sbuf, BUFSIZZ);
1640 if (!strstr(sbuf, "<proceed"))
1649 if ((SSL_version(con) == DTLS1_VERSION) &&
1650 DTLSv1_get_timeout(con, &timeout))
1651 timeoutp = &timeout;
1655 if (SSL_in_init(con) && !SSL_total_renegotiations(con)) {
1662 #if 0 /* This test doesn't really work as intended
1663 * (needs to be fixed) */
1664 # ifndef OPENSSL_NO_TLSEXT
1665 if (servername != NULL && !SSL_session_reused(con)) {
1666 BIO_printf(bio_c_out,
1667 "Server did %sacknowledge servername extension.\n",
1668 tlsextcbp.ack ? "" : "not ");
1673 BIO *stmp = BIO_new_file(sess_out, "w");
1675 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));
1678 BIO_printf(bio_err, "Error writing session file %s\n",
1682 BIO_puts(bio_err, "CONNECTION ESTABLISHED\n");
1683 print_ssl_summary(bio_err, con);
1686 print_stuff(bio_c_out, con, full_log);
1690 if (starttls_proto) {
1691 BIO_printf(bio_err, "%s", mbuf);
1692 /* We don't need to know any more */
1693 starttls_proto = PROTO_OFF;
1698 BIO_printf(bio_c_out,
1699 "drop connection and then reconnect\n");
1701 SSL_set_connect_state(con);
1702 SHUTDOWN(SSL_get_fd(con));
1708 ssl_pending = read_ssl && SSL_pending(con);
1711 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined (OPENSSL_SYS_BEOS_R5)
1714 openssl_fdset(fileno(stdin), &readfds);
1716 openssl_fdset(fileno(stdout), &writefds);
1719 openssl_fdset(SSL_get_fd(con), &readfds);
1721 openssl_fdset(SSL_get_fd(con), &writefds);
1723 if (!tty_on || !write_tty) {
1725 openssl_fdset(SSL_get_fd(con), &readfds);
1727 openssl_fdset(SSL_get_fd(con), &writefds);
1730 /*- printf("mode tty(%d %d%d) ssl(%d%d)\n",
1731 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
1734 * Note: under VMS with SOCKETSHR the second parameter is
1735 * currently of type (int *) whereas under other systems it is
1736 * (void *) if you don't have a cast it will choke the compiler:
1737 * if you do have a cast then you can either go for (int *) or
1740 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1742 * Under Windows/DOS we make the assumption that we can always
1743 * write to the tty: therefore if we need to write to the tty we
1744 * just fall through. Otherwise we timeout the select every
1745 * second and see if there are any keypresses. Note: this is a
1746 * hack, in a proper Windows application we wouldn't do this.
1753 i = select(width, (void *)&readfds, (void *)&writefds,
1755 # if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1756 if (!i && (!_kbhit() || !read_tty))
1759 if (!i && (!((_kbhit())
1760 || (WAIT_OBJECT_0 ==
1761 WaitForSingleObject(GetStdHandle
1768 i = select(width, (void *)&readfds, (void *)&writefds,
1771 #elif defined(OPENSSL_SYS_NETWARE)
1776 i = select(width, (void *)&readfds, (void *)&writefds,
1779 i = select(width, (void *)&readfds, (void *)&writefds,
1782 #elif defined(OPENSSL_SYS_BEOS_R5)
1783 /* Under BeOS-R5 the situation is similar to DOS */
1786 (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
1791 i = select(width, (void *)&readfds, (void *)&writefds,
1793 if (read(fileno(stdin), sbuf, 0) >= 0)
1795 if (!i && (stdin_set != 1 || !read_tty))
1798 i = select(width, (void *)&readfds, (void *)&writefds,
1801 (void)fcntl(fileno(stdin), F_SETFL, 0);
1803 i = select(width, (void *)&readfds, (void *)&writefds,
1807 BIO_printf(bio_err, "bad select %d\n",
1808 get_last_socket_error());
1814 if ((SSL_version(con) == DTLS1_VERSION)
1815 && DTLSv1_handle_timeout(con) > 0) {
1816 BIO_printf(bio_err, "TIMEOUT occured\n");
1819 if (!ssl_pending && FD_ISSET(SSL_get_fd(con), &writefds)) {
1820 k = SSL_write(con, &(cbuf[cbuf_off]), (unsigned int)cbuf_len);
1821 switch (SSL_get_error(con, k)) {
1822 case SSL_ERROR_NONE:
1827 /* we have done a write(con,NULL,0); */
1828 if (cbuf_len <= 0) {
1831 } else { /* if (cbuf_len > 0) */
1837 case SSL_ERROR_WANT_WRITE:
1838 BIO_printf(bio_c_out, "write W BLOCK\n");
1842 case SSL_ERROR_WANT_READ:
1843 BIO_printf(bio_c_out, "write R BLOCK\n");
1848 case SSL_ERROR_WANT_X509_LOOKUP:
1849 BIO_printf(bio_c_out, "write X BLOCK\n");
1851 case SSL_ERROR_ZERO_RETURN:
1852 if (cbuf_len != 0) {
1853 BIO_printf(bio_c_out, "shutdown\n");
1862 case SSL_ERROR_SYSCALL:
1863 if ((k != 0) || (cbuf_len != 0)) {
1864 BIO_printf(bio_err, "write:errno=%d\n",
1865 get_last_socket_error());
1873 ERR_print_errors(bio_err);
1877 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
1878 /* Assume Windows/DOS/BeOS can always write */
1879 else if (!ssl_pending && write_tty)
1881 else if (!ssl_pending && FD_ISSET(fileno(stdout), &writefds))
1884 #ifdef CHARSET_EBCDIC
1885 ascii2ebcdic(&(sbuf[sbuf_off]), &(sbuf[sbuf_off]), sbuf_len);
1887 i = raw_write_stdout(&(sbuf[sbuf_off]), sbuf_len);
1890 BIO_printf(bio_c_out, "DONE\n");
1898 if (sbuf_len <= 0) {
1902 } else if (ssl_pending || FD_ISSET(SSL_get_fd(con), &readfds)) {
1907 SSL_renegotiate(con);
1913 k = SSL_read(con, sbuf, 1024 /* BUFSIZZ */ );
1915 /* Demo for pending and peek :-) */
1916 k = SSL_read(con, sbuf, 16);
1919 printf("read=%d pending=%d peek=%d\n", k, SSL_pending(con),
1920 SSL_peek(con, zbuf, 10240));
1924 switch (SSL_get_error(con, k)) {
1925 case SSL_ERROR_NONE:
1934 case SSL_ERROR_WANT_WRITE:
1935 BIO_printf(bio_c_out, "read W BLOCK\n");
1939 case SSL_ERROR_WANT_READ:
1940 BIO_printf(bio_c_out, "read R BLOCK\n");
1943 if ((read_tty == 0) && (write_ssl == 0))
1946 case SSL_ERROR_WANT_X509_LOOKUP:
1947 BIO_printf(bio_c_out, "read X BLOCK\n");
1949 case SSL_ERROR_SYSCALL:
1950 ret = get_last_socket_error();
1952 BIO_puts(bio_err, "CONNECTION CLOSED BY SERVER\n");
1954 BIO_printf(bio_err, "read:errno=%d\n", ret);
1956 case SSL_ERROR_ZERO_RETURN:
1957 BIO_printf(bio_c_out, "closed\n");
1961 ERR_print_errors(bio_err);
1966 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1967 # if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1971 || (WAIT_OBJECT_0 ==
1972 WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
1974 #elif defined (OPENSSL_SYS_NETWARE)
1976 #elif defined(OPENSSL_SYS_BEOS_R5)
1979 else if (FD_ISSET(fileno(stdin), &readfds))
1985 i = raw_read_stdin(cbuf, BUFSIZZ / 2);
1987 /* both loops are skipped when i <= 0 */
1988 for (j = 0; j < i; j++)
1989 if (cbuf[j] == '\n')
1991 for (j = i - 1; j >= 0; j--) {
1992 cbuf[j + lf_num] = cbuf[j];
1993 if (cbuf[j] == '\n') {
1996 cbuf[j + lf_num] = '\r';
1999 assert(lf_num == 0);
2001 i = raw_read_stdin(cbuf, BUFSIZZ);
2003 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q'))) {
2004 BIO_printf(bio_err, "DONE\n");
2009 if ((!c_ign_eof) && (cbuf[0] == 'R')) {
2010 BIO_printf(bio_err, "RENEGOTIATING\n");
2011 SSL_renegotiate(con);
2014 #ifndef OPENSSL_NO_HEARTBEATS
2015 else if ((!c_ign_eof) && (cbuf[0] == 'B')) {
2016 BIO_printf(bio_err, "HEARTBEATING\n");
2024 #ifdef CHARSET_EBCDIC
2025 ebcdic2ascii(cbuf, cbuf, i);
2037 print_stuff(bio_c_out, con, full_log);
2039 SHUTDOWN(SSL_get_fd(con));
2043 print_stuff(bio_c_out, con, 1);
2046 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2047 if (next_proto.data)
2048 OPENSSL_free(next_proto.data);
2055 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2059 sk_X509_pop_free(chain, X509_free);
2063 X509_VERIFY_PARAM_free(vpm);
2064 ssl_excert_free(exc);
2066 sk_OPENSSL_STRING_free(ssl_args);
2068 SSL_CONF_CTX_free(cctx);
2069 #ifndef OPENSSL_NO_JPAKE
2070 if (jpake_secret && psk_key)
2071 OPENSSL_free(psk_key);
2074 OPENSSL_cleanse(cbuf, BUFSIZZ);
2078 OPENSSL_cleanse(sbuf, BUFSIZZ);
2082 OPENSSL_cleanse(mbuf, BUFSIZZ);
2085 if (bio_c_out != NULL) {
2086 BIO_free(bio_c_out);
2089 if (bio_c_msg != NULL) {
2090 BIO_free(bio_c_msg);
2097 static void print_stuff(BIO *bio, SSL *s, int full)
2101 static const char *space = " ";
2104 STACK_OF(X509_NAME) *sk2;
2105 const SSL_CIPHER *c;
2108 #ifndef OPENSSL_NO_COMP
2109 const COMP_METHOD *comp, *expansion;
2111 unsigned char *exportedkeymat;
2114 int got_a_chain = 0;
2116 sk = SSL_get_peer_cert_chain(s);
2118 got_a_chain = 1; /* we don't have it for SSL2 (yet) */
2120 BIO_printf(bio, "---\nCertificate chain\n");
2121 for (i = 0; i < sk_X509_num(sk); i++) {
2122 X509_NAME_oneline(X509_get_subject_name(sk_X509_value(sk, i)),
2124 BIO_printf(bio, "%2d s:%s\n", i, buf);
2125 X509_NAME_oneline(X509_get_issuer_name(sk_X509_value(sk, i)),
2127 BIO_printf(bio, " i:%s\n", buf);
2129 PEM_write_bio_X509(bio, sk_X509_value(sk, i));
2133 BIO_printf(bio, "---\n");
2134 peer = SSL_get_peer_certificate(s);
2136 BIO_printf(bio, "Server certificate\n");
2138 /* Redundant if we showed the whole chain */
2139 if (!(c_showcerts && got_a_chain))
2140 PEM_write_bio_X509(bio, peer);
2141 X509_NAME_oneline(X509_get_subject_name(peer), buf, sizeof buf);
2142 BIO_printf(bio, "subject=%s\n", buf);
2143 X509_NAME_oneline(X509_get_issuer_name(peer), buf, sizeof buf);
2144 BIO_printf(bio, "issuer=%s\n", buf);
2146 BIO_printf(bio, "no peer certificate available\n");
2148 sk2 = SSL_get_client_CA_list(s);
2149 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0)) {
2150 BIO_printf(bio, "---\nAcceptable client certificate CA names\n");
2151 for (i = 0; i < sk_X509_NAME_num(sk2); i++) {
2152 xn = sk_X509_NAME_value(sk2, i);
2153 X509_NAME_oneline(xn, buf, sizeof(buf));
2154 BIO_write(bio, buf, strlen(buf));
2155 BIO_write(bio, "\n", 1);
2158 BIO_printf(bio, "---\nNo client certificate CA names sent\n");
2160 p = SSL_get_shared_ciphers(s, buf, sizeof buf);
2163 * This works only for SSL 2. In later protocol versions, the
2164 * client does not know what other ciphers (in addition to the
2165 * one to be used in the current connection) the server supports.
2169 "---\nCiphers common between both SSL endpoints:\n");
2173 BIO_write(bio, space, 15 - j % 25);
2176 BIO_write(bio, ((i % 3) ? " " : "\n"), 1);
2178 BIO_write(bio, p, 1);
2183 BIO_write(bio, "\n", 1);
2186 ssl_print_sigalgs(bio, s);
2187 ssl_print_tmp_key(bio, s);
2190 "---\nSSL handshake has read %ld bytes and written %ld bytes\n",
2191 BIO_number_read(SSL_get_rbio(s)),
2192 BIO_number_written(SSL_get_wbio(s)));
2194 BIO_printf(bio, (SSL_cache_hit(s) ? "---\nReused, " : "---\nNew, "));
2195 c = SSL_get_current_cipher(s);
2196 BIO_printf(bio, "%s, Cipher is %s\n",
2197 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
2200 pktmp = X509_get_pubkey(peer);
2201 BIO_printf(bio, "Server public key is %d bit\n",
2202 EVP_PKEY_bits(pktmp));
2203 EVP_PKEY_free(pktmp);
2205 BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
2206 SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
2207 #ifndef OPENSSL_NO_COMP
2208 comp = SSL_get_current_compression(s);
2209 expansion = SSL_get_current_expansion(s);
2210 BIO_printf(bio, "Compression: %s\n",
2211 comp ? SSL_COMP_get_name(comp) : "NONE");
2212 BIO_printf(bio, "Expansion: %s\n",
2213 expansion ? SSL_COMP_get_name(expansion) : "NONE");
2218 /* Print out local port of connection: useful for debugging */
2220 struct sockaddr_in ladd;
2221 socklen_t ladd_size = sizeof(ladd);
2222 sock = SSL_get_fd(s);
2223 getsockname(sock, (struct sockaddr *)&ladd, &ladd_size);
2224 BIO_printf(bio_c_out, "LOCAL PORT is %u\n", ntohs(ladd.sin_port));
2228 #if !defined(OPENSSL_NO_TLSEXT)
2229 # if !defined(OPENSSL_NO_NEXTPROTONEG)
2230 if (next_proto.status != -1) {
2231 const unsigned char *proto;
2232 unsigned int proto_len;
2233 SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
2234 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
2235 BIO_write(bio, proto, proto_len);
2236 BIO_write(bio, "\n", 1);
2240 const unsigned char *proto;
2241 unsigned int proto_len;
2242 SSL_get0_alpn_selected(s, &proto, &proto_len);
2243 if (proto_len > 0) {
2244 BIO_printf(bio, "ALPN protocol: ");
2245 BIO_write(bio, proto, proto_len);
2246 BIO_write(bio, "\n", 1);
2248 BIO_printf(bio, "No ALPN negotiated\n");
2252 #ifndef OPENSSL_NO_SRTP
2254 SRTP_PROTECTION_PROFILE *srtp_profile =
2255 SSL_get_selected_srtp_profile(s);
2258 BIO_printf(bio, "SRTP Extension negotiated, profile=%s\n",
2259 srtp_profile->name);
2263 SSL_SESSION_print(bio, SSL_get_session(s));
2264 if (keymatexportlabel != NULL) {
2265 BIO_printf(bio, "Keying material exporter:\n");
2266 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel);
2267 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen);
2268 exportedkeymat = OPENSSL_malloc(keymatexportlen);
2269 if (exportedkeymat != NULL) {
2270 if (!SSL_export_keying_material(s, exportedkeymat,
2273 strlen(keymatexportlabel),
2275 BIO_printf(bio, " Error\n");
2277 BIO_printf(bio, " Keying material: ");
2278 for (i = 0; i < keymatexportlen; i++)
2279 BIO_printf(bio, "%02X", exportedkeymat[i]);
2280 BIO_printf(bio, "\n");
2282 OPENSSL_free(exportedkeymat);
2285 BIO_printf(bio, "---\n");
2288 /* flush, or debugging output gets mixed with http response */
2289 (void)BIO_flush(bio);
2292 #ifndef OPENSSL_NO_TLSEXT
2294 static int ocsp_resp_cb(SSL *s, void *arg)
2296 const unsigned char *p;
2299 len = SSL_get_tlsext_status_ocsp_resp(s, &p);
2300 BIO_puts(arg, "OCSP response: ");
2302 BIO_puts(arg, "no response sent\n");
2305 rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
2307 BIO_puts(arg, "response parse error\n");
2308 BIO_dump_indent(arg, (char *)p, len, 4);
2311 BIO_puts(arg, "\n======================================\n");
2312 OCSP_RESPONSE_print(arg, rsp, 0);
2313 BIO_puts(arg, "======================================\n");
2314 OCSP_RESPONSE_free(rsp);