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;
194 static int c_Pause=0;
195 static int c_debug=0;
197 static int c_showcerts=0;
199 static void sc_usage(void);
200 static void print_stuff(BIO *berr,SSL *con,int full);
201 static BIO *bio_c_out=NULL;
202 static int c_quiet=0;
203 static int c_ign_eof=0;
205 #ifndef OPENSSL_NO_PSK
206 /* Default PSK identity and key */
207 static char *psk_identity="Client_identity";
208 static char *psk_key=NULL; /* by default PSK is not used */
210 static unsigned int psk_client_cb(SSL *ssl, const char *hint, char *identity,
211 unsigned int max_identity_len, unsigned char *psk,
212 unsigned int max_psk_len)
214 unsigned int psk_len = 0;
219 BIO_printf(bio_c_out, "psk_client_cb\n");
222 /* no ServerKeyExchange message*/
224 BIO_printf(bio_c_out,"NULL received PSK identity hint, continuing anyway\n");
227 BIO_printf(bio_c_out, "Received PSK identity hint '%s'\n", hint);
229 /* lookup PSK identity and PSK key based on the given identity hint here */
230 ret = BIO_snprintf(identity, max_identity_len, psk_identity);
231 if (ret < 0 || (unsigned int)ret > max_identity_len)
234 BIO_printf(bio_c_out, "created identity '%s' len=%d\n", identity, ret);
235 ret=BN_hex2bn(&bn, psk_key);
238 BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key);
244 if ((unsigned int)BN_num_bytes(bn) > max_psk_len)
246 BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n",
247 max_psk_len, BN_num_bytes(bn));
252 psk_len=BN_bn2bin(bn, psk);
258 BIO_printf(bio_c_out, "created PSK len=%d\n", psk_len);
263 BIO_printf(bio_err, "Error in PSK client callback\n");
268 static void sc_usage(void)
270 BIO_printf(bio_err,"usage: s_client args\n");
271 BIO_printf(bio_err,"\n");
272 BIO_printf(bio_err," -host host - use -connect instead\n");
273 BIO_printf(bio_err," -port port - use -connect instead\n");
274 BIO_printf(bio_err," -connect host:port - who to connect to (default is %s:%s)\n",SSL_HOST_NAME,PORT_STR);
276 BIO_printf(bio_err," -verify arg - turn on peer certificate verification\n");
277 BIO_printf(bio_err," -cert arg - certificate file to use, PEM format assumed\n");
278 BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
279 BIO_printf(bio_err," -key arg - Private key file to use, in cert file if\n");
280 BIO_printf(bio_err," not specified but cert file is.\n");
281 BIO_printf(bio_err," -keyform arg - key format (PEM or DER) PEM default\n");
282 BIO_printf(bio_err," -pass arg - private key file pass phrase source\n");
283 BIO_printf(bio_err," -CApath arg - PEM format directory of CA's\n");
284 BIO_printf(bio_err," -CAfile arg - PEM format file of CA's\n");
285 BIO_printf(bio_err," -reconnect - Drop and re-make the connection with the same Session-ID\n");
286 BIO_printf(bio_err," -pause - sleep(1) after each read(2) and write(2) system call\n");
287 BIO_printf(bio_err," -showcerts - show all certificates in the chain\n");
288 BIO_printf(bio_err," -debug - extra output\n");
290 BIO_printf(bio_err," -wdebug - WATT-32 tcp debugging\n");
292 BIO_printf(bio_err," -msg - Show protocol messages\n");
293 BIO_printf(bio_err," -nbio_test - more ssl protocol testing\n");
294 BIO_printf(bio_err," -state - print the 'ssl' states\n");
296 BIO_printf(bio_err," -nbio - Run with non-blocking IO\n");
298 BIO_printf(bio_err," -crlf - convert LF from terminal into CRLF\n");
299 BIO_printf(bio_err," -quiet - no s_client output\n");
300 BIO_printf(bio_err," -ign_eof - ignore input eof (default when -quiet)\n");
301 #ifndef OPENSSL_NO_PSK
302 BIO_printf(bio_err," -psk_identity arg - PSK identity\n");
303 BIO_printf(bio_err," -psk arg - PSK in hex (without 0x)\n");
305 BIO_printf(bio_err," -ssl2 - just use SSLv2\n");
306 BIO_printf(bio_err," -ssl3 - just use SSLv3\n");
307 BIO_printf(bio_err," -tls1 - just use TLSv1\n");
308 BIO_printf(bio_err," -dtls1 - just use DTLSv1\n");
309 BIO_printf(bio_err," -mtu - set the MTU\n");
310 BIO_printf(bio_err," -no_tls1/-no_ssl3/-no_ssl2 - turn off that protocol\n");
311 BIO_printf(bio_err," -bugs - Switch on all SSL implementation bug workarounds\n");
312 BIO_printf(bio_err," -serverpref - Use server's cipher preferences (only SSLv2)\n");
313 BIO_printf(bio_err," -cipher - preferred cipher to use, use the 'openssl ciphers'\n");
314 BIO_printf(bio_err," command to see what is available\n");
315 BIO_printf(bio_err," -starttls prot - use the STARTTLS command before starting TLS\n");
316 BIO_printf(bio_err," for those protocols that support it, where\n");
317 BIO_printf(bio_err," 'prot' defines which one to assume. Currently,\n");
318 BIO_printf(bio_err," only \"smtp\" and \"pop3\" are supported.\n");
319 #ifndef OPENSSL_NO_ENGINE
320 BIO_printf(bio_err," -engine id - Initialise and use the specified engine\n");
322 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
323 #ifndef OPENSSL_NO_TLSEXT
324 BIO_printf(bio_err," -servername host - Set TLS extension servername in ClientHello\n");
328 #ifndef OPENSSL_NO_TLSEXT
330 /* This is a context that we pass to callbacks */
331 typedef struct tlsextctx_st {
337 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
339 tlsextctx * p = (tlsextctx *) arg;
340 const char * hn= SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
341 if (SSL_get_servername_type(s) != -1)
342 p->ack = !SSL_session_reused(s) && hn != NULL;
344 BIO_printf(bio_err,"Can't use SSL_get_servername\n");
346 return SSL_TLSEXT_ERR_OK;
350 int MAIN(int, char **);
352 int MAIN(int argc, char **argv)
356 X509_STORE *store = NULL;
357 int s,k,width,state=0;
358 char *cbuf=NULL,*sbuf=NULL,*mbuf=NULL;
359 int cbuf_len,cbuf_off;
360 int sbuf_len,sbuf_off;
361 fd_set readfds,writefds;
364 char *host=SSL_HOST_NAME;
365 char *cert_file=NULL,*key_file=NULL;
366 int cert_format = FORMAT_PEM, key_format = FORMAT_PEM;
367 char *passarg = NULL, *pass = NULL;
369 EVP_PKEY *key = NULL;
370 char *CApath=NULL,*CAfile=NULL,*cipher=NULL;
371 int reconnect=0,badop=0,verify=SSL_VERIFY_NONE,bugs=0;
373 int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending;
375 int ret=1,in_init=1,i,nbio_test=0;
376 int starttls_proto = 0;
377 int prexit = 0, vflags = 0;
378 const SSL_METHOD *meth=NULL;
379 int socket_type=SOCK_STREAM;
382 #ifndef OPENSSL_NO_ENGINE
383 char *engine_id=NULL;
386 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
388 #if defined(OPENSSL_SYS_BEOS_R5)
393 #ifndef OPENSSL_NO_TLSEXT
394 char *servername = NULL;
395 tlsextctx tlsextcbp =
398 struct sockaddr peer;
399 int peerlen = sizeof(peer);
400 int enable_timeouts = 0 ;
403 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
404 meth=SSLv23_client_method();
405 #elif !defined(OPENSSL_NO_SSL3)
406 meth=SSLv3_client_method();
407 #elif !defined(OPENSSL_NO_SSL2)
408 meth=SSLv2_client_method();
420 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
422 if (!load_config(bio_err, NULL))
425 if ( ((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
426 ((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
427 ((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL))
429 BIO_printf(bio_err,"out of memory\n");
434 verify_error=X509_V_OK;
443 if (strcmp(*argv,"-host") == 0)
445 if (--argc < 1) goto bad;
448 else if (strcmp(*argv,"-port") == 0)
450 if (--argc < 1) goto bad;
451 port=atoi(*(++argv));
452 if (port == 0) goto bad;
454 else if (strcmp(*argv,"-connect") == 0)
456 if (--argc < 1) goto bad;
457 if (!extract_host_port(*(++argv),&host,NULL,&port))
460 else if (strcmp(*argv,"-verify") == 0)
462 verify=SSL_VERIFY_PEER;
463 if (--argc < 1) goto bad;
464 verify_depth=atoi(*(++argv));
465 BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
467 else if (strcmp(*argv,"-cert") == 0)
469 if (--argc < 1) goto bad;
470 cert_file= *(++argv);
472 else if (strcmp(*argv,"-certform") == 0)
474 if (--argc < 1) goto bad;
475 cert_format = str2fmt(*(++argv));
477 else if (strcmp(*argv,"-crl_check") == 0)
478 vflags |= X509_V_FLAG_CRL_CHECK;
479 else if (strcmp(*argv,"-crl_check_all") == 0)
480 vflags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;
481 else if (strcmp(*argv,"-prexit") == 0)
483 else if (strcmp(*argv,"-crlf") == 0)
485 else if (strcmp(*argv,"-quiet") == 0)
490 else if (strcmp(*argv,"-ign_eof") == 0)
492 else if (strcmp(*argv,"-pause") == 0)
494 else if (strcmp(*argv,"-debug") == 0)
497 else if (strcmp(*argv,"-wdebug") == 0)
500 else if (strcmp(*argv,"-msg") == 0)
502 else if (strcmp(*argv,"-showcerts") == 0)
504 else if (strcmp(*argv,"-nbio_test") == 0)
506 else if (strcmp(*argv,"-state") == 0)
508 #ifndef OPENSSL_NO_PSK
509 else if (strcmp(*argv,"-psk_identity") == 0)
511 if (--argc < 1) goto bad;
512 psk_identity=*(++argv);
514 else if (strcmp(*argv,"-psk") == 0)
518 if (--argc < 1) goto bad;
520 for (j = 0; j < strlen(psk_key); j++)
522 if (isxdigit((int)psk_key[j]))
524 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
529 #ifndef OPENSSL_NO_SSL2
530 else if (strcmp(*argv,"-ssl2") == 0)
531 meth=SSLv2_client_method();
533 #ifndef OPENSSL_NO_SSL3
534 else if (strcmp(*argv,"-ssl3") == 0)
535 meth=SSLv3_client_method();
537 #ifndef OPENSSL_NO_TLS1
538 else if (strcmp(*argv,"-tls1") == 0)
539 meth=TLSv1_client_method();
541 #ifndef OPENSSL_NO_DTLS1
542 else if (strcmp(*argv,"-dtls1") == 0)
544 meth=DTLSv1_client_method();
545 socket_type=SOCK_DGRAM;
547 else if (strcmp(*argv,"-timeout") == 0)
549 else if (strcmp(*argv,"-mtu") == 0)
551 if (--argc < 1) goto bad;
552 socket_mtu = atol(*(++argv));
555 else if (strcmp(*argv,"-bugs") == 0)
557 else if (strcmp(*argv,"-keyform") == 0)
559 if (--argc < 1) goto bad;
560 key_format = str2fmt(*(++argv));
562 else if (strcmp(*argv,"-pass") == 0)
564 if (--argc < 1) goto bad;
567 else if (strcmp(*argv,"-key") == 0)
569 if (--argc < 1) goto bad;
572 else if (strcmp(*argv,"-reconnect") == 0)
576 else if (strcmp(*argv,"-CApath") == 0)
578 if (--argc < 1) goto bad;
581 else if (strcmp(*argv,"-CAfile") == 0)
583 if (--argc < 1) goto bad;
586 else if (strcmp(*argv,"-no_tls1") == 0)
587 off|=SSL_OP_NO_TLSv1;
588 else if (strcmp(*argv,"-no_ssl3") == 0)
589 off|=SSL_OP_NO_SSLv3;
590 else if (strcmp(*argv,"-no_ssl2") == 0)
591 off|=SSL_OP_NO_SSLv2;
592 else if (strcmp(*argv,"-no_comp") == 0)
593 { off|=SSL_OP_NO_COMPRESSION; }
594 else if (strcmp(*argv,"-serverpref") == 0)
595 off|=SSL_OP_CIPHER_SERVER_PREFERENCE;
596 else if (strcmp(*argv,"-cipher") == 0)
598 if (--argc < 1) goto bad;
602 else if (strcmp(*argv,"-nbio") == 0)
605 else if (strcmp(*argv,"-starttls") == 0)
607 if (--argc < 1) goto bad;
609 if (strcmp(*argv,"smtp") == 0)
611 else if (strcmp(*argv,"pop3") == 0)
616 #ifndef OPENSSL_NO_ENGINE
617 else if (strcmp(*argv,"-engine") == 0)
619 if (--argc < 1) goto bad;
620 engine_id = *(++argv);
623 else if (strcmp(*argv,"-rand") == 0)
625 if (--argc < 1) goto bad;
628 #ifndef OPENSSL_NO_TLSEXT
629 else if (strcmp(*argv,"-servername") == 0)
631 if (--argc < 1) goto bad;
632 servername= *(++argv);
633 /* meth=TLSv1_client_method(); */
638 BIO_printf(bio_err,"unknown option %s\n",*argv);
652 OpenSSL_add_ssl_algorithms();
653 SSL_load_error_strings();
655 #ifndef OPENSSL_NO_ENGINE
656 e = setup_engine(bio_err, engine_id, 1);
658 if (!app_passwd(bio_err, passarg, NULL, &pass, NULL))
660 BIO_printf(bio_err, "Error getting password\n");
664 if (key_file == NULL)
665 key_file = cert_file;
672 key = load_key(bio_err, key_file, key_format, 0, pass, e,
673 "client certificate private key file");
676 ERR_print_errors(bio_err);
685 cert = load_cert(bio_err,cert_file,cert_format,
686 NULL, e, "client certificate file");
690 ERR_print_errors(bio_err);
695 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
698 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
701 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
702 app_RAND_load_files(inrand));
704 if (bio_c_out == NULL)
706 if (c_quiet && !c_debug && !c_msg)
708 bio_c_out=BIO_new(BIO_s_null());
712 if (bio_c_out == NULL)
713 bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE);
717 ctx=SSL_CTX_new(meth);
720 ERR_print_errors(bio_err);
724 #ifndef OPENSSL_NO_PSK
728 BIO_printf(bio_c_out, "PSK key given, setting client callback\n");
729 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
733 SSL_CTX_set_options(ctx,SSL_OP_ALL|off);
735 SSL_CTX_set_options(ctx,off);
736 /* DTLS: partial reads end up discarding unread UDP bytes :-(
737 * Setting read ahead solves this problem.
739 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
741 if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
743 if(!SSL_CTX_set_cipher_list(ctx,cipher)) {
744 BIO_printf(bio_err,"error setting cipher list\n");
745 ERR_print_errors(bio_err);
750 SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER"));
753 SSL_CTX_set_verify(ctx,verify,verify_callback);
754 if (!set_cert_key_stuff(ctx,cert,key))
757 if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
758 (!SSL_CTX_set_default_verify_paths(ctx)))
760 /* BIO_printf(bio_err,"error setting default verify locations\n"); */
761 ERR_print_errors(bio_err);
765 store = SSL_CTX_get_cert_store(ctx);
766 X509_STORE_set_flags(store, vflags);
767 #ifndef OPENSSL_NO_TLSEXT
768 if (servername != NULL)
770 tlsextcbp.biodebug = bio_err;
771 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
772 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
777 #ifndef OPENSSL_NO_TLSEXT
778 if (servername != NULL)
780 if (!SSL_set_tlsext_host_name(con,servername))
782 BIO_printf(bio_err,"Unable to set TLS servername extension.\n");
783 ERR_print_errors(bio_err);
788 #ifndef OPENSSL_NO_KRB5
789 if (con && (con->kssl_ctx = kssl_ctx_new()) != NULL)
791 kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVER, host);
793 #endif /* OPENSSL_NO_KRB5 */
794 /* SSL_set_cipher_list(con,"RC4-MD5"); */
798 if (init_client(&s,host,port,socket_type) == 0)
800 BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error());
804 BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s);
810 BIO_printf(bio_c_out,"turning on non blocking io\n");
811 if (BIO_socket_ioctl(s,FIONBIO,&l) < 0)
813 ERR_print_errors(bio_err);
818 if (c_Pause & 0x01) con->debug=1;
820 if ( SSL_version(con) == DTLS1_VERSION)
822 struct timeval timeout;
824 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
825 if (getsockname(s, &peer, (void *)&peerlen) < 0)
827 BIO_printf(bio_err, "getsockname:errno=%d\n",
828 get_last_socket_error());
833 BIO_ctrl_set_connected(sbio, 1, &peer);
838 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
839 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
842 timeout.tv_usec = DGRAM_SND_TIMEOUT;
843 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
848 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
849 SSL_set_mtu(con, socket_mtu);
852 /* want to do MTU discovery */
853 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
856 sbio=BIO_new_socket(s,BIO_NOCLOSE);
864 test=BIO_new(BIO_f_nbio_test());
865 sbio=BIO_push(test,sbio);
871 BIO_set_callback(sbio,bio_dump_callback);
872 BIO_set_callback_arg(sbio,bio_c_out);
876 SSL_set_msg_callback(con, msg_cb);
877 SSL_set_msg_callback_arg(con, bio_c_out);
880 SSL_set_bio(con,sbio,sbio);
881 SSL_set_connect_state(con);
883 /* ok, lets connect */
884 width=SSL_get_fd(con)+1;
897 /* This is an ugly hack that does a lot of assumptions */
898 if (starttls_proto == 1)
900 BIO_read(sbio,mbuf,BUFSIZZ);
901 BIO_printf(sbio,"STARTTLS\r\n");
902 BIO_read(sbio,sbuf,BUFSIZZ);
904 if (starttls_proto == 2)
906 BIO_read(sbio,mbuf,BUFSIZZ);
907 BIO_printf(sbio,"STLS\r\n");
908 BIO_read(sbio,sbuf,BUFSIZZ);
916 if (SSL_in_init(con) && !SSL_total_renegotiations(con))
927 #ifndef OPENSSL_NO_TLSEXT
928 if (servername != NULL && !SSL_session_reused(con))
930 BIO_printf(bio_c_out,"Server did %sacknowledge servername extension.\n",tlsextcbp.ack?"":"not ");
933 print_stuff(bio_c_out,con,full_log);
934 if (full_log > 0) full_log--;
938 BIO_printf(bio_err,"%s",mbuf);
939 /* We don't need to know any more */
946 BIO_printf(bio_c_out,"drop connection and then reconnect\n");
948 SSL_set_connect_state(con);
949 SHUTDOWN(SSL_get_fd(con));
955 ssl_pending = read_ssl && SSL_pending(con);
959 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined (OPENSSL_SYS_BEOS_R5)
962 if (read_tty) openssl_fdset(fileno(stdin),&readfds);
963 if (write_tty) openssl_fdset(fileno(stdout),&writefds);
966 openssl_fdset(SSL_get_fd(con),&readfds);
968 openssl_fdset(SSL_get_fd(con),&writefds);
970 if(!tty_on || !write_tty) {
972 openssl_fdset(SSL_get_fd(con),&readfds);
974 openssl_fdset(SSL_get_fd(con),&writefds);
977 /* printf("mode tty(%d %d%d) ssl(%d%d)\n",
978 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
980 /* Note: under VMS with SOCKETSHR the second parameter
981 * is currently of type (int *) whereas under other
982 * systems it is (void *) if you don't have a cast it
983 * will choke the compiler: if you do have a cast then
984 * you can either go for (int *) or (void *).
986 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
987 /* Under Windows/DOS we make the assumption that we can
988 * always write to the tty: therefore if we need to
989 * write to the tty we just fall through. Otherwise
990 * we timeout the select every second and see if there
991 * are any keypresses. Note: this is a hack, in a proper
992 * Windows application we wouldn't do this.
999 i=select(width,(void *)&readfds,(void *)&writefds,
1001 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1002 if(!i && (!_kbhit() || !read_tty) ) continue;
1004 if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue;
1006 } else i=select(width,(void *)&readfds,(void *)&writefds,
1009 #elif defined(OPENSSL_SYS_NETWARE)
1014 i=select(width,(void *)&readfds,(void *)&writefds,
1016 } else i=select(width,(void *)&readfds,(void *)&writefds,
1019 #elif defined(OPENSSL_SYS_BEOS_R5)
1020 /* Under BeOS-R5 the situation is similar to DOS */
1023 (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
1028 i=select(width,(void *)&readfds,(void *)&writefds,
1030 if (read(fileno(stdin), sbuf, 0) >= 0)
1032 if (!i && (stdin_set != 1 || !read_tty))
1034 } else i=select(width,(void *)&readfds,(void *)&writefds,
1037 (void)fcntl(fileno(stdin), F_SETFL, 0);
1039 i=select(width,(void *)&readfds,(void *)&writefds,
1044 BIO_printf(bio_err,"bad select %d\n",
1045 get_last_socket_error());
1051 if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds))
1053 k=SSL_write(con,&(cbuf[cbuf_off]),
1054 (unsigned int)cbuf_len);
1055 switch (SSL_get_error(con,k))
1057 case SSL_ERROR_NONE:
1060 if (k <= 0) goto end;
1061 /* we have done a write(con,NULL,0); */
1067 else /* if (cbuf_len > 0) */
1073 case SSL_ERROR_WANT_WRITE:
1074 BIO_printf(bio_c_out,"write W BLOCK\n");
1078 case SSL_ERROR_WANT_READ:
1079 BIO_printf(bio_c_out,"write R BLOCK\n");
1084 case SSL_ERROR_WANT_X509_LOOKUP:
1085 BIO_printf(bio_c_out,"write X BLOCK\n");
1087 case SSL_ERROR_ZERO_RETURN:
1090 BIO_printf(bio_c_out,"shutdown\n");
1100 case SSL_ERROR_SYSCALL:
1101 if ((k != 0) || (cbuf_len != 0))
1103 BIO_printf(bio_err,"write:errno=%d\n",
1104 get_last_socket_error());
1114 ERR_print_errors(bio_err);
1118 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
1119 /* Assume Windows/DOS/BeOS can always write */
1120 else if (!ssl_pending && write_tty)
1122 else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds))
1125 #ifdef CHARSET_EBCDIC
1126 ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len);
1128 i=raw_write_stdout(&(sbuf[sbuf_off]),sbuf_len);
1132 BIO_printf(bio_c_out,"DONE\n");
1145 else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds))
1148 { static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } }
1151 k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ );
1153 /* Demo for pending and peek :-) */
1154 k=SSL_read(con,sbuf,16);
1156 printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240));
1160 switch (SSL_get_error(con,k))
1162 case SSL_ERROR_NONE:
1171 case SSL_ERROR_WANT_WRITE:
1172 BIO_printf(bio_c_out,"read W BLOCK\n");
1176 case SSL_ERROR_WANT_READ:
1177 BIO_printf(bio_c_out,"read R BLOCK\n");
1180 if ((read_tty == 0) && (write_ssl == 0))
1183 case SSL_ERROR_WANT_X509_LOOKUP:
1184 BIO_printf(bio_c_out,"read X BLOCK\n");
1186 case SSL_ERROR_SYSCALL:
1187 BIO_printf(bio_err,"read:errno=%d\n",get_last_socket_error());
1189 case SSL_ERROR_ZERO_RETURN:
1190 BIO_printf(bio_c_out,"closed\n");
1193 ERR_print_errors(bio_err);
1199 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1200 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1203 else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
1205 #elif defined (OPENSSL_SYS_NETWARE)
1207 #elif defined(OPENSSL_SYS_BEOS_R5)
1210 else if (FD_ISSET(fileno(stdin),&readfds))
1217 i=raw_read_stdin(cbuf,BUFSIZZ/2);
1219 /* both loops are skipped when i <= 0 */
1220 for (j = 0; j < i; j++)
1221 if (cbuf[j] == '\n')
1223 for (j = i-1; j >= 0; j--)
1225 cbuf[j+lf_num] = cbuf[j];
1226 if (cbuf[j] == '\n')
1230 cbuf[j+lf_num] = '\r';
1233 assert(lf_num == 0);
1236 i=raw_read_stdin(cbuf,BUFSIZZ);
1238 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q')))
1240 BIO_printf(bio_err,"DONE\n");
1244 if ((!c_ign_eof) && (cbuf[0] == 'R'))
1246 BIO_printf(bio_err,"RENEGOTIATING\n");
1247 SSL_renegotiate(con);
1254 #ifdef CHARSET_EBCDIC
1255 ebcdic2ascii(cbuf, cbuf, i);
1265 SHUTDOWN(SSL_get_fd(con));
1271 print_stuff(bio_c_out,con,1);
1274 if (ctx != NULL) SSL_CTX_free(ctx);
1281 if (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); }
1282 if (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); }
1283 if (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); }
1284 if (bio_c_out != NULL)
1286 BIO_free(bio_c_out);
1294 static void print_stuff(BIO *bio, SSL *s, int full)
1298 static const char *space=" ";
1301 STACK_OF(X509_NAME) *sk2;
1305 #ifndef OPENSSL_NO_COMP
1306 const COMP_METHOD *comp, *expansion;
1311 int got_a_chain = 0;
1313 sk=SSL_get_peer_cert_chain(s);
1316 got_a_chain = 1; /* we don't have it for SSL2 (yet) */
1318 BIO_printf(bio,"---\nCertificate chain\n");
1319 for (i=0; i<sk_X509_num(sk); i++)
1321 X509_NAME_oneline(X509_get_subject_name(
1322 sk_X509_value(sk,i)),buf,sizeof buf);
1323 BIO_printf(bio,"%2d s:%s\n",i,buf);
1324 X509_NAME_oneline(X509_get_issuer_name(
1325 sk_X509_value(sk,i)),buf,sizeof buf);
1326 BIO_printf(bio," i:%s\n",buf);
1328 PEM_write_bio_X509(bio,sk_X509_value(sk,i));
1332 BIO_printf(bio,"---\n");
1333 peer=SSL_get_peer_certificate(s);
1336 BIO_printf(bio,"Server certificate\n");
1337 if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */
1338 PEM_write_bio_X509(bio,peer);
1339 X509_NAME_oneline(X509_get_subject_name(peer),
1341 BIO_printf(bio,"subject=%s\n",buf);
1342 X509_NAME_oneline(X509_get_issuer_name(peer),
1344 BIO_printf(bio,"issuer=%s\n",buf);
1347 BIO_printf(bio,"no peer certificate available\n");
1349 sk2=SSL_get_client_CA_list(s);
1350 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0))
1352 BIO_printf(bio,"---\nAcceptable client certificate CA names\n");
1353 for (i=0; i<sk_X509_NAME_num(sk2); i++)
1355 xn=sk_X509_NAME_value(sk2,i);
1356 X509_NAME_oneline(xn,buf,sizeof(buf));
1357 BIO_write(bio,buf,strlen(buf));
1358 BIO_write(bio,"\n",1);
1363 BIO_printf(bio,"---\nNo client certificate CA names sent\n");
1365 p=SSL_get_shared_ciphers(s,buf,sizeof buf);
1368 /* This works only for SSL 2. In later protocol
1369 * versions, the client does not know what other
1370 * ciphers (in addition to the one to be used
1371 * in the current connection) the server supports. */
1373 BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n");
1379 BIO_write(bio,space,15-j%25);
1382 BIO_write(bio,((i%3)?" ":"\n"),1);
1391 BIO_write(bio,"\n",1);
1394 BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n",
1395 BIO_number_read(SSL_get_rbio(s)),
1396 BIO_number_written(SSL_get_wbio(s)));
1398 BIO_printf(bio,((s->hit)?"---\nReused, ":"---\nNew, "));
1399 c=SSL_get_current_cipher(s);
1400 BIO_printf(bio,"%s, Cipher is %s\n",
1401 SSL_CIPHER_get_version(c),
1402 SSL_CIPHER_get_name(c));
1405 pktmp = X509_get_pubkey(peer);
1406 BIO_printf(bio,"Server public key is %d bit\n",
1407 EVP_PKEY_bits(pktmp));
1408 EVP_PKEY_free(pktmp);
1410 #ifndef OPENSSL_NO_COMP
1411 comp=SSL_get_current_compression(s);
1412 expansion=SSL_get_current_expansion(s);
1413 BIO_printf(bio,"Compression: %s\n",
1414 comp ? SSL_COMP_get_name(comp) : "NONE");
1415 BIO_printf(bio,"Expansion: %s\n",
1416 expansion ? SSL_COMP_get_name(expansion) : "NONE");
1418 SSL_SESSION_print(bio,SSL_get_session(s));
1419 BIO_printf(bio,"---\n");
1422 /* flush, or debugging output gets mixed with http response */