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
148 /* With IPv6, it looks like Digital has mixed up the proper order of
149 recursive header file inclusion, resulting in the compiler complaining
150 that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which
151 is 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>
165 #include "timeouts.h"
167 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
168 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
172 #if defined(OPENSSL_SYS_BEOS_R5)
177 #define PROG s_client_main
179 /*#define SSL_HOST_NAME "www.netscape.com" */
180 /*#define SSL_HOST_NAME "193.118.187.102" */
181 #define SSL_HOST_NAME "localhost"
183 /*#define TEST_CERT "client.pem" */ /* no default cert. */
186 #define BUFSIZZ 1024*8
188 extern int verify_depth;
189 extern int verify_error;
190 extern int verify_return_error;
195 static int c_Pause=0;
196 static int c_debug=0;
197 #ifndef OPENSSL_NO_TLSEXT
198 static int c_tlsextdebug=0;
201 static int c_showcerts=0;
203 static void sc_usage(void);
204 static void print_stuff(BIO *berr,SSL *con,int full);
205 static BIO *bio_c_out=NULL;
206 static int c_quiet=0;
207 static int c_ign_eof=0;
209 #ifndef OPENSSL_NO_PSK
210 /* Default PSK identity and key */
211 static char *psk_identity="Client_identity";
212 static char *psk_key=NULL; /* by default PSK is not used */
214 static unsigned int psk_client_cb(SSL *ssl, const char *hint, char *identity,
215 unsigned int max_identity_len, unsigned char *psk,
216 unsigned int max_psk_len)
218 unsigned int psk_len = 0;
223 BIO_printf(bio_c_out, "psk_client_cb\n");
226 /* no ServerKeyExchange message*/
228 BIO_printf(bio_c_out,"NULL received PSK identity hint, continuing anyway\n");
231 BIO_printf(bio_c_out, "Received PSK identity hint '%s'\n", hint);
233 /* lookup PSK identity and PSK key based on the given identity hint here */
234 ret = BIO_snprintf(identity, max_identity_len, psk_identity);
235 if (ret < 0 || (unsigned int)ret > max_identity_len)
238 BIO_printf(bio_c_out, "created identity '%s' len=%d\n", identity, ret);
239 ret=BN_hex2bn(&bn, psk_key);
242 BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key);
248 if ((unsigned int)BN_num_bytes(bn) > max_psk_len)
250 BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n",
251 max_psk_len, BN_num_bytes(bn));
256 psk_len=BN_bn2bin(bn, psk);
262 BIO_printf(bio_c_out, "created PSK len=%d\n", psk_len);
267 BIO_printf(bio_err, "Error in PSK client callback\n");
272 static void sc_usage(void)
274 BIO_printf(bio_err,"usage: s_client args\n");
275 BIO_printf(bio_err,"\n");
276 BIO_printf(bio_err," -host host - use -connect instead\n");
277 BIO_printf(bio_err," -port port - use -connect instead\n");
278 BIO_printf(bio_err," -connect host:port - who to connect to (default is %s:%s)\n",SSL_HOST_NAME,PORT_STR);
280 BIO_printf(bio_err," -verify arg - turn on peer certificate verification\n");
281 BIO_printf(bio_err," -cert arg - certificate file to use, PEM format assumed\n");
282 BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
283 BIO_printf(bio_err," -key arg - Private key file to use, in cert file if\n");
284 BIO_printf(bio_err," not specified but cert file is.\n");
285 BIO_printf(bio_err," -keyform arg - key format (PEM or DER) PEM default\n");
286 BIO_printf(bio_err," -pass arg - private key file pass phrase source\n");
287 BIO_printf(bio_err," -CApath arg - PEM format directory of CA's\n");
288 BIO_printf(bio_err," -CAfile arg - PEM format file of CA's\n");
289 BIO_printf(bio_err," -reconnect - Drop and re-make the connection with the same Session-ID\n");
290 BIO_printf(bio_err," -pause - sleep(1) after each read(2) and write(2) system call\n");
291 BIO_printf(bio_err," -showcerts - show all certificates in the chain\n");
292 BIO_printf(bio_err," -debug - extra output\n");
294 BIO_printf(bio_err," -wdebug - WATT-32 tcp debugging\n");
296 BIO_printf(bio_err," -msg - Show protocol messages\n");
297 BIO_printf(bio_err," -nbio_test - more ssl protocol testing\n");
298 BIO_printf(bio_err," -state - print the 'ssl' states\n");
300 BIO_printf(bio_err," -nbio - Run with non-blocking IO\n");
302 BIO_printf(bio_err," -crlf - convert LF from terminal into CRLF\n");
303 BIO_printf(bio_err," -quiet - no s_client output\n");
304 BIO_printf(bio_err," -ign_eof - ignore input eof (default when -quiet)\n");
305 #ifndef OPENSSL_NO_PSK
306 BIO_printf(bio_err," -psk_identity arg - PSK identity\n");
307 BIO_printf(bio_err," -psk arg - PSK in hex (without 0x)\n");
309 BIO_printf(bio_err," -ssl2 - just use SSLv2\n");
310 BIO_printf(bio_err," -ssl3 - just use SSLv3\n");
311 BIO_printf(bio_err," -tls1 - just use TLSv1\n");
312 BIO_printf(bio_err," -dtls1 - just use DTLSv1\n");
313 BIO_printf(bio_err," -mtu - set the MTU\n");
314 BIO_printf(bio_err," -no_tls1/-no_ssl3/-no_ssl2 - turn off that protocol\n");
315 BIO_printf(bio_err," -bugs - Switch on all SSL implementation bug workarounds\n");
316 BIO_printf(bio_err," -serverpref - Use server's cipher preferences (only SSLv2)\n");
317 BIO_printf(bio_err," -cipher - preferred cipher to use, use the 'openssl ciphers'\n");
318 BIO_printf(bio_err," command to see what is available\n");
319 BIO_printf(bio_err," -starttls prot - use the STARTTLS command before starting TLS\n");
320 BIO_printf(bio_err," for those protocols that support it, where\n");
321 BIO_printf(bio_err," 'prot' defines which one to assume. Currently,\n");
322 BIO_printf(bio_err," only \"smtp\", \"pop3\", \"imap\", and \"ftp\" are supported.\n");
323 #ifndef OPENSSL_NO_ENGINE
324 BIO_printf(bio_err," -engine id - Initialise and use the specified engine\n");
326 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
327 BIO_printf(bio_err," -sess_out arg - file to write SSL session to\n");
328 BIO_printf(bio_err," -sess_in arg - file to read SSL session from\n");
329 #ifndef OPENSSL_NO_TLSEXT
330 BIO_printf(bio_err," -servername host - Set TLS extension servername in ClientHello\n");
331 BIO_printf(bio_err," -tlsextdebug - hex dump of all TLS extensions received\n");
332 BIO_printf(bio_err," -no_ticket - disable use of RFC4507bis session tickets\n");
336 #ifndef OPENSSL_NO_TLSEXT
338 /* This is a context that we pass to callbacks */
339 typedef struct tlsextctx_st {
345 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
347 tlsextctx * p = (tlsextctx *) arg;
348 const char * hn= SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
349 if (SSL_get_servername_type(s) != -1)
350 p->ack = !SSL_session_reused(s) && hn != NULL;
352 BIO_printf(bio_err,"Can't use SSL_get_servername\n");
354 return SSL_TLSEXT_ERR_OK;
367 int MAIN(int, char **);
369 int MAIN(int argc, char **argv)
373 X509_STORE *store = NULL;
374 int s,k,width,state=0;
375 char *cbuf=NULL,*sbuf=NULL,*mbuf=NULL;
376 int cbuf_len,cbuf_off;
377 int sbuf_len,sbuf_off;
378 fd_set readfds,writefds;
381 char *host=SSL_HOST_NAME;
382 char *cert_file=NULL,*key_file=NULL;
383 int cert_format = FORMAT_PEM, key_format = FORMAT_PEM;
384 char *passarg = NULL, *pass = NULL;
386 EVP_PKEY *key = NULL;
387 char *CApath=NULL,*CAfile=NULL,*cipher=NULL;
388 int reconnect=0,badop=0,verify=SSL_VERIFY_NONE,bugs=0;
390 int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending;
392 int ret=1,in_init=1,i,nbio_test=0;
393 int starttls_proto = PROTO_OFF;
394 int prexit = 0, vflags = 0;
395 const SSL_METHOD *meth=NULL;
396 int socket_type=SOCK_STREAM;
400 #ifndef OPENSSL_NO_ENGINE
401 char *engine_id=NULL;
404 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
406 #if defined(OPENSSL_SYS_BEOS_R5)
411 #ifndef OPENSSL_NO_TLSEXT
412 char *servername = NULL;
413 tlsextctx tlsextcbp =
416 char *sess_in = NULL;
417 char *sess_out = NULL;
418 struct sockaddr peer;
419 int peerlen = sizeof(peer);
420 int enable_timeouts = 0 ;
423 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
424 meth=SSLv23_client_method();
425 #elif !defined(OPENSSL_NO_SSL3)
426 meth=SSLv3_client_method();
427 #elif !defined(OPENSSL_NO_SSL2)
428 meth=SSLv2_client_method();
440 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
442 if (!load_config(bio_err, NULL))
445 if ( ((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
446 ((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
447 ((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL))
449 BIO_printf(bio_err,"out of memory\n");
454 verify_error=X509_V_OK;
463 if (strcmp(*argv,"-host") == 0)
465 if (--argc < 1) goto bad;
468 else if (strcmp(*argv,"-port") == 0)
470 if (--argc < 1) goto bad;
471 port=atoi(*(++argv));
472 if (port == 0) goto bad;
474 else if (strcmp(*argv,"-connect") == 0)
476 if (--argc < 1) goto bad;
477 if (!extract_host_port(*(++argv),&host,NULL,&port))
480 else if (strcmp(*argv,"-verify") == 0)
482 verify=SSL_VERIFY_PEER;
483 if (--argc < 1) goto bad;
484 verify_depth=atoi(*(++argv));
485 BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
487 else if (strcmp(*argv,"-cert") == 0)
489 if (--argc < 1) goto bad;
490 cert_file= *(++argv);
492 else if (strcmp(*argv,"-sess_out") == 0)
494 if (--argc < 1) goto bad;
495 sess_out = *(++argv);
497 else if (strcmp(*argv,"-sess_in") == 0)
499 if (--argc < 1) goto bad;
502 else if (strcmp(*argv,"-certform") == 0)
504 if (--argc < 1) goto bad;
505 cert_format = str2fmt(*(++argv));
507 else if (strcmp(*argv,"-crl_check") == 0)
508 vflags |= X509_V_FLAG_CRL_CHECK;
509 else if (strcmp(*argv,"-crl_check_all") == 0)
510 vflags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;
511 else if (strcmp(*argv,"-verify_return_error") == 0)
512 verify_return_error = 1;
513 else if (strcmp(*argv,"-prexit") == 0)
515 else if (strcmp(*argv,"-crlf") == 0)
517 else if (strcmp(*argv,"-quiet") == 0)
522 else if (strcmp(*argv,"-ign_eof") == 0)
524 else if (strcmp(*argv,"-pause") == 0)
526 else if (strcmp(*argv,"-debug") == 0)
528 #ifndef OPENSSL_NO_TLSEXT
529 else if (strcmp(*argv,"-tlsextdebug") == 0)
533 else if (strcmp(*argv,"-wdebug") == 0)
536 else if (strcmp(*argv,"-msg") == 0)
538 else if (strcmp(*argv,"-showcerts") == 0)
540 else if (strcmp(*argv,"-nbio_test") == 0)
542 else if (strcmp(*argv,"-state") == 0)
544 #ifndef OPENSSL_NO_PSK
545 else if (strcmp(*argv,"-psk_identity") == 0)
547 if (--argc < 1) goto bad;
548 psk_identity=*(++argv);
550 else if (strcmp(*argv,"-psk") == 0)
554 if (--argc < 1) goto bad;
556 for (j = 0; j < strlen(psk_key); j++)
558 if (isxdigit((int)psk_key[j]))
560 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
565 #ifndef OPENSSL_NO_SSL2
566 else if (strcmp(*argv,"-ssl2") == 0)
567 meth=SSLv2_client_method();
569 #ifndef OPENSSL_NO_SSL3
570 else if (strcmp(*argv,"-ssl3") == 0)
571 meth=SSLv3_client_method();
573 #ifndef OPENSSL_NO_TLS1
574 else if (strcmp(*argv,"-tls1") == 0)
575 meth=TLSv1_client_method();
577 #ifndef OPENSSL_NO_DTLS1
578 else if (strcmp(*argv,"-dtls1") == 0)
580 meth=DTLSv1_client_method();
581 socket_type=SOCK_DGRAM;
583 else if (strcmp(*argv,"-timeout") == 0)
585 else if (strcmp(*argv,"-mtu") == 0)
587 if (--argc < 1) goto bad;
588 socket_mtu = atol(*(++argv));
591 else if (strcmp(*argv,"-bugs") == 0)
593 else if (strcmp(*argv,"-keyform") == 0)
595 if (--argc < 1) goto bad;
596 key_format = str2fmt(*(++argv));
598 else if (strcmp(*argv,"-pass") == 0)
600 if (--argc < 1) goto bad;
603 else if (strcmp(*argv,"-key") == 0)
605 if (--argc < 1) goto bad;
608 else if (strcmp(*argv,"-reconnect") == 0)
612 else if (strcmp(*argv,"-CApath") == 0)
614 if (--argc < 1) goto bad;
617 else if (strcmp(*argv,"-CAfile") == 0)
619 if (--argc < 1) goto bad;
622 else if (strcmp(*argv,"-no_tls1") == 0)
623 off|=SSL_OP_NO_TLSv1;
624 else if (strcmp(*argv,"-no_ssl3") == 0)
625 off|=SSL_OP_NO_SSLv3;
626 else if (strcmp(*argv,"-no_ssl2") == 0)
627 off|=SSL_OP_NO_SSLv2;
628 else if (strcmp(*argv,"-no_comp") == 0)
629 { off|=SSL_OP_NO_COMPRESSION; }
630 #ifndef OPENSSL_NO_TLSEXT
631 else if (strcmp(*argv,"-no_ticket") == 0)
632 { off|=SSL_OP_NO_TICKET; }
634 else if (strcmp(*argv,"-serverpref") == 0)
635 off|=SSL_OP_CIPHER_SERVER_PREFERENCE;
636 else if (strcmp(*argv,"-cipher") == 0)
638 if (--argc < 1) goto bad;
642 else if (strcmp(*argv,"-nbio") == 0)
645 else if (strcmp(*argv,"-starttls") == 0)
647 if (--argc < 1) goto bad;
649 if (strcmp(*argv,"smtp") == 0)
650 starttls_proto = PROTO_SMTP;
651 else if (strcmp(*argv,"pop3") == 0)
652 starttls_proto = PROTO_POP3;
653 else if (strcmp(*argv,"imap") == 0)
654 starttls_proto = PROTO_IMAP;
655 else if (strcmp(*argv,"ftp") == 0)
656 starttls_proto = PROTO_FTP;
660 #ifndef OPENSSL_NO_ENGINE
661 else if (strcmp(*argv,"-engine") == 0)
663 if (--argc < 1) goto bad;
664 engine_id = *(++argv);
667 else if (strcmp(*argv,"-rand") == 0)
669 if (--argc < 1) goto bad;
672 #ifndef OPENSSL_NO_TLSEXT
673 else if (strcmp(*argv,"-servername") == 0)
675 if (--argc < 1) goto bad;
676 servername= *(++argv);
677 /* meth=TLSv1_client_method(); */
682 BIO_printf(bio_err,"unknown option %s\n",*argv);
696 OpenSSL_add_ssl_algorithms();
697 SSL_load_error_strings();
699 #ifndef OPENSSL_NO_ENGINE
700 e = setup_engine(bio_err, engine_id, 1);
702 if (!app_passwd(bio_err, passarg, NULL, &pass, NULL))
704 BIO_printf(bio_err, "Error getting password\n");
708 if (key_file == NULL)
709 key_file = cert_file;
716 key = load_key(bio_err, key_file, key_format, 0, pass, e,
717 "client certificate private key file");
720 ERR_print_errors(bio_err);
729 cert = load_cert(bio_err,cert_file,cert_format,
730 NULL, e, "client certificate file");
734 ERR_print_errors(bio_err);
739 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
742 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
745 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
746 app_RAND_load_files(inrand));
748 if (bio_c_out == NULL)
750 if (c_quiet && !c_debug && !c_msg)
752 bio_c_out=BIO_new(BIO_s_null());
756 if (bio_c_out == NULL)
757 bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE);
761 ctx=SSL_CTX_new(meth);
764 ERR_print_errors(bio_err);
768 #ifndef OPENSSL_NO_PSK
772 BIO_printf(bio_c_out, "PSK key given, setting client callback\n");
773 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
777 SSL_CTX_set_options(ctx,SSL_OP_ALL|off);
779 SSL_CTX_set_options(ctx,off);
780 /* DTLS: partial reads end up discarding unread UDP bytes :-(
781 * Setting read ahead solves this problem.
783 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
785 if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
787 if(!SSL_CTX_set_cipher_list(ctx,cipher)) {
788 BIO_printf(bio_err,"error setting cipher list\n");
789 ERR_print_errors(bio_err);
794 SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER"));
797 SSL_CTX_set_verify(ctx,verify,verify_callback);
798 if (!set_cert_key_stuff(ctx,cert,key))
801 if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
802 (!SSL_CTX_set_default_verify_paths(ctx)))
804 /* BIO_printf(bio_err,"error setting default verify locations\n"); */
805 ERR_print_errors(bio_err);
809 store = SSL_CTX_get_cert_store(ctx);
810 X509_STORE_set_flags(store, vflags);
811 #ifndef OPENSSL_NO_TLSEXT
812 if (servername != NULL)
814 tlsextcbp.biodebug = bio_err;
815 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
816 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
824 BIO *stmp = BIO_new_file(sess_in, "r");
827 BIO_printf(bio_err, "Can't open session file %s\n",
829 ERR_print_errors(bio_err);
832 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
836 BIO_printf(bio_err, "Can't open session file %s\n",
838 ERR_print_errors(bio_err);
841 SSL_set_session(con, sess);
842 SSL_SESSION_free(sess);
844 #ifndef OPENSSL_NO_TLSEXT
845 if (servername != NULL)
847 if (!SSL_set_tlsext_host_name(con,servername))
849 BIO_printf(bio_err,"Unable to set TLS servername extension.\n");
850 ERR_print_errors(bio_err);
855 #ifndef OPENSSL_NO_KRB5
856 if (con && (con->kssl_ctx = kssl_ctx_new()) != NULL)
858 kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVER, host);
860 #endif /* OPENSSL_NO_KRB5 */
861 /* SSL_set_cipher_list(con,"RC4-MD5"); */
865 if (init_client(&s,host,port,socket_type) == 0)
867 BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error());
871 BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s);
877 BIO_printf(bio_c_out,"turning on non blocking io\n");
878 if (BIO_socket_ioctl(s,FIONBIO,&l) < 0)
880 ERR_print_errors(bio_err);
885 if (c_Pause & 0x01) con->debug=1;
887 if ( SSL_version(con) == DTLS1_VERSION)
889 struct timeval timeout;
891 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
892 if (getsockname(s, &peer, (void *)&peerlen) < 0)
894 BIO_printf(bio_err, "getsockname:errno=%d\n",
895 get_last_socket_error());
900 (void)BIO_ctrl_set_connected(sbio, 1, &peer);
905 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
906 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
909 timeout.tv_usec = DGRAM_SND_TIMEOUT;
910 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
915 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
916 SSL_set_mtu(con, socket_mtu);
919 /* want to do MTU discovery */
920 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
923 sbio=BIO_new_socket(s,BIO_NOCLOSE);
931 test=BIO_new(BIO_f_nbio_test());
932 sbio=BIO_push(test,sbio);
938 BIO_set_callback(sbio,bio_dump_callback);
939 BIO_set_callback_arg(sbio,(char *)bio_c_out);
943 SSL_set_msg_callback(con, msg_cb);
944 SSL_set_msg_callback_arg(con, bio_c_out);
946 #ifndef OPENSSL_NO_TLSEXT
949 SSL_set_tlsext_debug_callback(con, tlsext_cb);
950 SSL_set_tlsext_debug_arg(con, bio_c_out);
954 SSL_set_bio(con,sbio,sbio);
955 SSL_set_connect_state(con);
957 /* ok, lets connect */
958 width=SSL_get_fd(con)+1;
971 /* This is an ugly hack that does a lot of assumptions */
972 /* We do have to handle multi-line responses which may come
973 in a single packet or not. We therefore have to use
974 BIO_gets() which does need a buffering BIO. So during
975 the initial chitchat we do push a buffering BIO into the
976 chain that is removed again later on to not disturb the
977 rest of the s_client operation. */
978 if (starttls_proto == PROTO_SMTP)
981 BIO *fbio = BIO_new(BIO_f_buffer());
982 BIO_push(fbio, sbio);
983 /* wait for multi-line response to end from SMTP */
986 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
988 while (mbuf_len>3 && mbuf[3]=='-');
989 /* STARTTLS command requires EHLO... */
990 BIO_printf(fbio,"EHLO openssl.client.net\r\n");
991 (void)BIO_flush(fbio);
992 /* wait for multi-line response to end EHLO SMTP response */
995 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
996 if (strstr(mbuf,"STARTTLS"))
999 while (mbuf_len>3 && mbuf[3]=='-');
1000 (void)BIO_flush(fbio);
1005 "didn't found starttls in server response,"
1006 " try anyway...\n");
1007 BIO_printf(sbio,"STARTTLS\r\n");
1008 BIO_read(sbio,sbuf,BUFSIZZ);
1010 else if (starttls_proto == PROTO_POP3)
1012 BIO_read(sbio,mbuf,BUFSIZZ);
1013 BIO_printf(sbio,"STLS\r\n");
1014 BIO_read(sbio,sbuf,BUFSIZZ);
1016 else if (starttls_proto == PROTO_IMAP)
1019 BIO *fbio = BIO_new(BIO_f_buffer());
1020 BIO_push(fbio, sbio);
1021 BIO_gets(fbio,mbuf,BUFSIZZ);
1022 /* STARTTLS command requires CAPABILITY... */
1023 BIO_printf(fbio,". CAPABILITY\r\n");
1024 (void)BIO_flush(fbio);
1025 /* wait for multi-line CAPABILITY response */
1028 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1029 if (strstr(mbuf,"STARTTLS"))
1032 while (mbuf_len>3 && mbuf[0]!='.');
1033 (void)BIO_flush(fbio);
1038 "didn't found STARTTLS in server response,"
1039 " try anyway...\n");
1040 BIO_printf(sbio,". STARTTLS\r\n");
1041 BIO_read(sbio,sbuf,BUFSIZZ);
1043 else if (starttls_proto == PROTO_FTP)
1045 BIO *fbio = BIO_new(BIO_f_buffer());
1046 BIO_push(fbio, sbio);
1047 /* wait for multi-line response to end from FTP */
1050 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1052 while (mbuf_len>3 && mbuf[3]=='-');
1053 (void)BIO_flush(fbio);
1056 BIO_printf(sbio,"AUTH TLS\r\n");
1057 BIO_read(sbio,sbuf,BUFSIZZ);
1065 if (SSL_in_init(con) && !SSL_total_renegotiations(con))
1076 #ifndef OPENSSL_NO_TLSEXT
1077 if (servername != NULL && !SSL_session_reused(con))
1079 BIO_printf(bio_c_out,"Server did %sacknowledge servername extension.\n",tlsextcbp.ack?"":"not ");
1084 BIO *stmp = BIO_new_file(sess_out, "w");
1087 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));
1091 BIO_printf(bio_err, "Error writing session file %s\n", sess_out);
1093 print_stuff(bio_c_out,con,full_log);
1094 if (full_log > 0) full_log--;
1098 BIO_printf(bio_err,"%s",mbuf);
1099 /* We don't need to know any more */
1100 starttls_proto = PROTO_OFF;
1106 BIO_printf(bio_c_out,"drop connection and then reconnect\n");
1108 SSL_set_connect_state(con);
1109 SHUTDOWN(SSL_get_fd(con));
1115 ssl_pending = read_ssl && SSL_pending(con);
1119 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined (OPENSSL_SYS_BEOS_R5)
1122 if (read_tty) openssl_fdset(fileno(stdin),&readfds);
1123 if (write_tty) openssl_fdset(fileno(stdout),&writefds);
1126 openssl_fdset(SSL_get_fd(con),&readfds);
1128 openssl_fdset(SSL_get_fd(con),&writefds);
1130 if(!tty_on || !write_tty) {
1132 openssl_fdset(SSL_get_fd(con),&readfds);
1134 openssl_fdset(SSL_get_fd(con),&writefds);
1137 /* printf("mode tty(%d %d%d) ssl(%d%d)\n",
1138 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
1140 /* Note: under VMS with SOCKETSHR the second parameter
1141 * is currently of type (int *) whereas under other
1142 * systems it is (void *) if you don't have a cast it
1143 * will choke the compiler: if you do have a cast then
1144 * you can either go for (int *) or (void *).
1146 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1147 /* Under Windows/DOS we make the assumption that we can
1148 * always write to the tty: therefore if we need to
1149 * write to the tty we just fall through. Otherwise
1150 * we timeout the select every second and see if there
1151 * are any keypresses. Note: this is a hack, in a proper
1152 * Windows application we wouldn't do this.
1159 i=select(width,(void *)&readfds,(void *)&writefds,
1161 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1162 if(!i && (!_kbhit() || !read_tty) ) continue;
1164 if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue;
1166 } else i=select(width,(void *)&readfds,(void *)&writefds,
1169 #elif defined(OPENSSL_SYS_NETWARE)
1174 i=select(width,(void *)&readfds,(void *)&writefds,
1176 } else i=select(width,(void *)&readfds,(void *)&writefds,
1179 #elif defined(OPENSSL_SYS_BEOS_R5)
1180 /* Under BeOS-R5 the situation is similar to DOS */
1183 (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
1188 i=select(width,(void *)&readfds,(void *)&writefds,
1190 if (read(fileno(stdin), sbuf, 0) >= 0)
1192 if (!i && (stdin_set != 1 || !read_tty))
1194 } else i=select(width,(void *)&readfds,(void *)&writefds,
1197 (void)fcntl(fileno(stdin), F_SETFL, 0);
1199 i=select(width,(void *)&readfds,(void *)&writefds,
1204 BIO_printf(bio_err,"bad select %d\n",
1205 get_last_socket_error());
1211 if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds))
1213 k=SSL_write(con,&(cbuf[cbuf_off]),
1214 (unsigned int)cbuf_len);
1215 switch (SSL_get_error(con,k))
1217 case SSL_ERROR_NONE:
1220 if (k <= 0) goto end;
1221 /* we have done a write(con,NULL,0); */
1227 else /* if (cbuf_len > 0) */
1233 case SSL_ERROR_WANT_WRITE:
1234 BIO_printf(bio_c_out,"write W BLOCK\n");
1238 case SSL_ERROR_WANT_READ:
1239 BIO_printf(bio_c_out,"write R BLOCK\n");
1244 case SSL_ERROR_WANT_X509_LOOKUP:
1245 BIO_printf(bio_c_out,"write X BLOCK\n");
1247 case SSL_ERROR_ZERO_RETURN:
1250 BIO_printf(bio_c_out,"shutdown\n");
1260 case SSL_ERROR_SYSCALL:
1261 if ((k != 0) || (cbuf_len != 0))
1263 BIO_printf(bio_err,"write:errno=%d\n",
1264 get_last_socket_error());
1274 ERR_print_errors(bio_err);
1278 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
1279 /* Assume Windows/DOS/BeOS can always write */
1280 else if (!ssl_pending && write_tty)
1282 else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds))
1285 #ifdef CHARSET_EBCDIC
1286 ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len);
1288 i=raw_write_stdout(&(sbuf[sbuf_off]),sbuf_len);
1292 BIO_printf(bio_c_out,"DONE\n");
1305 else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds))
1308 { static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } }
1311 k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ );
1313 /* Demo for pending and peek :-) */
1314 k=SSL_read(con,sbuf,16);
1316 printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240));
1320 switch (SSL_get_error(con,k))
1322 case SSL_ERROR_NONE:
1331 case SSL_ERROR_WANT_WRITE:
1332 BIO_printf(bio_c_out,"read W BLOCK\n");
1336 case SSL_ERROR_WANT_READ:
1337 BIO_printf(bio_c_out,"read R BLOCK\n");
1340 if ((read_tty == 0) && (write_ssl == 0))
1343 case SSL_ERROR_WANT_X509_LOOKUP:
1344 BIO_printf(bio_c_out,"read X BLOCK\n");
1346 case SSL_ERROR_SYSCALL:
1347 BIO_printf(bio_err,"read:errno=%d\n",get_last_socket_error());
1349 case SSL_ERROR_ZERO_RETURN:
1350 BIO_printf(bio_c_out,"closed\n");
1353 ERR_print_errors(bio_err);
1359 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1360 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1363 else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
1365 #elif defined (OPENSSL_SYS_NETWARE)
1367 #elif defined(OPENSSL_SYS_BEOS_R5)
1370 else if (FD_ISSET(fileno(stdin),&readfds))
1377 i=raw_read_stdin(cbuf,BUFSIZZ/2);
1379 /* both loops are skipped when i <= 0 */
1380 for (j = 0; j < i; j++)
1381 if (cbuf[j] == '\n')
1383 for (j = i-1; j >= 0; j--)
1385 cbuf[j+lf_num] = cbuf[j];
1386 if (cbuf[j] == '\n')
1390 cbuf[j+lf_num] = '\r';
1393 assert(lf_num == 0);
1396 i=raw_read_stdin(cbuf,BUFSIZZ);
1398 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q')))
1400 BIO_printf(bio_err,"DONE\n");
1404 if ((!c_ign_eof) && (cbuf[0] == 'R'))
1406 BIO_printf(bio_err,"RENEGOTIATING\n");
1407 SSL_renegotiate(con);
1414 #ifdef CHARSET_EBCDIC
1415 ebcdic2ascii(cbuf, cbuf, i);
1425 print_stuff(bio_c_out,con,full_log);
1427 SHUTDOWN(SSL_get_fd(con));
1433 print_stuff(bio_c_out,con,1);
1436 if (ctx != NULL) SSL_CTX_free(ctx);
1443 if (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); }
1444 if (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); }
1445 if (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); }
1446 if (bio_c_out != NULL)
1448 BIO_free(bio_c_out);
1456 static void print_stuff(BIO *bio, SSL *s, int full)
1460 static const char *space=" ";
1463 STACK_OF(X509_NAME) *sk2;
1467 #ifndef OPENSSL_NO_COMP
1468 const COMP_METHOD *comp, *expansion;
1473 int got_a_chain = 0;
1475 sk=SSL_get_peer_cert_chain(s);
1478 got_a_chain = 1; /* we don't have it for SSL2 (yet) */
1480 BIO_printf(bio,"---\nCertificate chain\n");
1481 for (i=0; i<sk_X509_num(sk); i++)
1483 X509_NAME_oneline(X509_get_subject_name(
1484 sk_X509_value(sk,i)),buf,sizeof buf);
1485 BIO_printf(bio,"%2d s:%s\n",i,buf);
1486 X509_NAME_oneline(X509_get_issuer_name(
1487 sk_X509_value(sk,i)),buf,sizeof buf);
1488 BIO_printf(bio," i:%s\n",buf);
1490 PEM_write_bio_X509(bio,sk_X509_value(sk,i));
1494 BIO_printf(bio,"---\n");
1495 peer=SSL_get_peer_certificate(s);
1498 BIO_printf(bio,"Server certificate\n");
1499 if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */
1500 PEM_write_bio_X509(bio,peer);
1501 X509_NAME_oneline(X509_get_subject_name(peer),
1503 BIO_printf(bio,"subject=%s\n",buf);
1504 X509_NAME_oneline(X509_get_issuer_name(peer),
1506 BIO_printf(bio,"issuer=%s\n",buf);
1509 BIO_printf(bio,"no peer certificate available\n");
1511 sk2=SSL_get_client_CA_list(s);
1512 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0))
1514 BIO_printf(bio,"---\nAcceptable client certificate CA names\n");
1515 for (i=0; i<sk_X509_NAME_num(sk2); i++)
1517 xn=sk_X509_NAME_value(sk2,i);
1518 X509_NAME_oneline(xn,buf,sizeof(buf));
1519 BIO_write(bio,buf,strlen(buf));
1520 BIO_write(bio,"\n",1);
1525 BIO_printf(bio,"---\nNo client certificate CA names sent\n");
1527 p=SSL_get_shared_ciphers(s,buf,sizeof buf);
1530 /* This works only for SSL 2. In later protocol
1531 * versions, the client does not know what other
1532 * ciphers (in addition to the one to be used
1533 * in the current connection) the server supports. */
1535 BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n");
1541 BIO_write(bio,space,15-j%25);
1544 BIO_write(bio,((i%3)?" ":"\n"),1);
1553 BIO_write(bio,"\n",1);
1556 BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n",
1557 BIO_number_read(SSL_get_rbio(s)),
1558 BIO_number_written(SSL_get_wbio(s)));
1560 BIO_printf(bio,((s->hit)?"---\nReused, ":"---\nNew, "));
1561 c=SSL_get_current_cipher(s);
1562 BIO_printf(bio,"%s, Cipher is %s\n",
1563 SSL_CIPHER_get_version(c),
1564 SSL_CIPHER_get_name(c));
1567 pktmp = X509_get_pubkey(peer);
1568 BIO_printf(bio,"Server public key is %d bit\n",
1569 EVP_PKEY_bits(pktmp));
1570 EVP_PKEY_free(pktmp);
1572 #ifndef OPENSSL_NO_COMP
1573 comp=SSL_get_current_compression(s);
1574 expansion=SSL_get_current_expansion(s);
1575 BIO_printf(bio,"Compression: %s\n",
1576 comp ? SSL_COMP_get_name(comp) : "NONE");
1577 BIO_printf(bio,"Expansion: %s\n",
1578 expansion ? SSL_COMP_get_name(expansion) : "NONE");
1580 SSL_SESSION_print(bio,SSL_get_session(s));
1581 BIO_printf(bio,"---\n");
1584 /* flush, or debugging output gets mixed with http response */
1585 (void)BIO_flush(bio);