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) 1998-2001 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).
116 #include <openssl/e_os2.h>
117 #ifdef OPENSSL_NO_STDIO
121 /* With IPv6, it looks like Digital has mixed up the proper order of
122 recursive header file inclusion, resulting in the compiler complaining
123 that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which
124 is needed to have fileno() declared correctly... So let's define u_int */
125 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
127 typedef unsigned int u_int;
132 #include <openssl/x509.h>
133 #include <openssl/ssl.h>
134 #include <openssl/err.h>
135 #include <openssl/pem.h>
136 #include <openssl/rand.h>
137 #include <openssl/ocsp.h>
139 #include "timeouts.h"
141 #ifdef OPENSSL_SYS_WINCE
142 /* Windows CE incorrectly defines fileno as returning void*, so to avoid problems below... */
146 #define fileno(a) (int)_fileno(a)
150 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
151 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
156 #define PROG s_client_main
158 /*#define SSL_HOST_NAME "www.netscape.com" */
159 /*#define SSL_HOST_NAME "193.118.187.102" */
160 #define SSL_HOST_NAME "localhost"
162 /*#define TEST_CERT "client.pem" */ /* no default cert. */
165 #define BUFSIZZ 1024*8
167 extern int verify_depth;
168 extern int verify_error;
173 static int c_Pause=0;
174 static int c_debug=0;
175 #ifndef OPENSSL_NO_TLSEXT
176 static int c_tlsextdebug=0;
177 static int c_status_req=0;
180 static int c_showcerts=0;
182 static void sc_usage(void);
183 static void print_stuff(BIO *berr,SSL *con,int full);
184 #ifndef OPENSSL_NO_TLSEXT
185 static int ocsp_resp_cb(SSL *s, void *arg);
187 static BIO *bio_c_out=NULL;
188 static int c_quiet=0;
189 static int c_ign_eof=0;
191 static void sc_usage(void)
193 BIO_printf(bio_err,"usage: s_client args\n");
194 BIO_printf(bio_err,"\n");
195 BIO_printf(bio_err," -host host - use -connect instead\n");
196 BIO_printf(bio_err," -port port - use -connect instead\n");
197 BIO_printf(bio_err," -connect host:port - who to connect to (default is %s:%s)\n",SSL_HOST_NAME,PORT_STR);
199 BIO_printf(bio_err," -verify depth - turn on peer certificate verification\n");
200 BIO_printf(bio_err," -cert arg - certificate file to use, PEM format assumed\n");
201 BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
202 BIO_printf(bio_err," -key arg - Private key file to use, in cert file if\n");
203 BIO_printf(bio_err," not specified but cert file is.\n");
204 BIO_printf(bio_err," -keyform arg - key format (PEM or DER) PEM default\n");
205 BIO_printf(bio_err," -pass arg - private key file pass phrase source\n");
206 BIO_printf(bio_err," -CApath arg - PEM format directory of CA's\n");
207 BIO_printf(bio_err," -CAfile arg - PEM format file of CA's\n");
208 BIO_printf(bio_err," -reconnect - Drop and re-make the connection with the same Session-ID\n");
209 BIO_printf(bio_err," -pause - sleep(1) after each read(2) and write(2) system call\n");
210 BIO_printf(bio_err," -showcerts - show all certificates in the chain\n");
211 BIO_printf(bio_err," -debug - extra output\n");
213 BIO_printf(bio_err," -wdebug - WATT-32 tcp debugging\n");
215 BIO_printf(bio_err," -msg - Show protocol messages\n");
216 BIO_printf(bio_err," -nbio_test - more ssl protocol testing\n");
217 BIO_printf(bio_err," -state - print the 'ssl' states\n");
219 BIO_printf(bio_err," -nbio - Run with non-blocking IO\n");
221 BIO_printf(bio_err," -crlf - convert LF from terminal into CRLF\n");
222 BIO_printf(bio_err," -quiet - no s_client output\n");
223 BIO_printf(bio_err," -ign_eof - ignore input eof (default when -quiet)\n");
224 BIO_printf(bio_err," -no_ign_eof - don't ignore input eof\n");
225 BIO_printf(bio_err," -ssl2 - just use SSLv2\n");
226 BIO_printf(bio_err," -ssl3 - just use SSLv3\n");
227 BIO_printf(bio_err," -tls1 - just use TLSv1\n");
228 BIO_printf(bio_err," -dtls1 - just use DTLSv1\n");
229 BIO_printf(bio_err," -mtu - set the link layer MTU\n");
230 BIO_printf(bio_err," -no_tls1/-no_ssl3/-no_ssl2 - turn off that protocol\n");
231 BIO_printf(bio_err," -bugs - Switch on all SSL implementation bug workarounds\n");
232 BIO_printf(bio_err," -serverpref - Use server's cipher preferences (only SSLv2)\n");
233 BIO_printf(bio_err," -cipher - preferred cipher to use, use the 'openssl ciphers'\n");
234 BIO_printf(bio_err," command to see what is available\n");
235 BIO_printf(bio_err," -starttls prot - use the STARTTLS command before starting TLS\n");
236 BIO_printf(bio_err," for those protocols that support it, where\n");
237 BIO_printf(bio_err," 'prot' defines which one to assume. Currently,\n");
238 BIO_printf(bio_err," only \"smtp\", \"pop3\", \"imap\", \"ftp\" and \"xmpp\"\n");
239 BIO_printf(bio_err," are supported.\n");
240 #ifndef OPENSSL_NO_ENGINE
241 BIO_printf(bio_err," -engine id - Initialise and use the specified engine\n");
243 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
244 BIO_printf(bio_err," -sess_out arg - file to write SSL session to\n");
245 BIO_printf(bio_err," -sess_in arg - file to read SSL session from\n");
246 #ifndef OPENSSL_NO_TLSEXT
247 BIO_printf(bio_err," -servername host - Set TLS extension servername in ClientHello\n");
248 BIO_printf(bio_err," -tlsextdebug - hex dump of all TLS extensions received\n");
249 BIO_printf(bio_err," -status - request certificate status from server\n");
250 BIO_printf(bio_err," -no_ticket - disable use of RFC4507bis session tickets\n");
252 BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
255 #ifndef OPENSSL_NO_TLSEXT
257 /* This is a context that we pass to callbacks */
258 typedef struct tlsextctx_st {
264 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
266 tlsextctx * p = (tlsextctx *) arg;
267 const char * hn= SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
268 if (SSL_get_servername_type(s) != -1)
269 p->ack = !SSL_session_reused(s) && hn != NULL;
271 BIO_printf(bio_err,"Can't use SSL_get_servername\n");
273 return SSL_TLSEXT_ERR_OK;
286 int MAIN(int, char **);
288 int MAIN(int argc, char **argv)
291 SSL *con=NULL,*con2=NULL;
292 X509_STORE *store = NULL;
293 int s,k,width,state=0;
294 char *cbuf=NULL,*sbuf=NULL,*mbuf=NULL;
295 int cbuf_len,cbuf_off;
296 int sbuf_len,sbuf_off;
297 fd_set readfds,writefds;
300 char *host=SSL_HOST_NAME;
301 char *cert_file=NULL,*key_file=NULL;
302 int cert_format = FORMAT_PEM, key_format = FORMAT_PEM;
303 char *passarg = NULL, *pass = NULL;
305 EVP_PKEY *key = NULL;
306 char *CApath=NULL,*CAfile=NULL,*cipher=NULL;
307 int reconnect=0,badop=0,verify=SSL_VERIFY_NONE,bugs=0;
309 int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending;
311 int ret=1,in_init=1,i,nbio_test=0;
312 int starttls_proto = PROTO_OFF;
313 int prexit = 0, vflags = 0;
314 SSL_METHOD *meth=NULL;
318 int sock_type=SOCK_STREAM;
322 struct timeval timeout, *timeoutp;
323 #ifndef OPENSSL_NO_ENGINE
324 char *engine_id=NULL;
325 char *ssl_client_engine_id=NULL;
326 ENGINE *ssl_client_engine=NULL;
329 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
333 #ifndef OPENSSL_NO_TLSEXT
334 char *servername = NULL;
335 tlsextctx tlsextcbp =
338 char *sess_in = NULL;
339 char *sess_out = NULL;
340 struct sockaddr peer;
341 int peerlen = sizeof(peer);
342 int enable_timeouts = 0 ;
344 #ifndef OPENSSL_NO_JPAKE
345 char *jpake_secret = NULL;
348 meth=SSLv23_client_method();
359 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
361 if (!load_config(bio_err, NULL))
364 if ( ((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
365 ((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
366 ((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL))
368 BIO_printf(bio_err,"out of memory\n");
373 verify_error=X509_V_OK;
382 if (strcmp(*argv,"-host") == 0)
384 if (--argc < 1) goto bad;
387 else if (strcmp(*argv,"-port") == 0)
389 if (--argc < 1) goto bad;
390 port=atoi(*(++argv));
391 if (port == 0) goto bad;
393 else if (strcmp(*argv,"-connect") == 0)
395 if (--argc < 1) goto bad;
396 if (!extract_host_port(*(++argv),&host,NULL,&port))
399 else if (strcmp(*argv,"-verify") == 0)
401 verify=SSL_VERIFY_PEER;
402 if (--argc < 1) goto bad;
403 verify_depth=atoi(*(++argv));
404 BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
406 else if (strcmp(*argv,"-cert") == 0)
408 if (--argc < 1) goto bad;
409 cert_file= *(++argv);
411 else if (strcmp(*argv,"-sess_out") == 0)
413 if (--argc < 1) goto bad;
414 sess_out = *(++argv);
416 else if (strcmp(*argv,"-sess_in") == 0)
418 if (--argc < 1) goto bad;
421 else if (strcmp(*argv,"-certform") == 0)
423 if (--argc < 1) goto bad;
424 cert_format = str2fmt(*(++argv));
426 else if (strcmp(*argv,"-crl_check") == 0)
427 vflags |= X509_V_FLAG_CRL_CHECK;
428 else if (strcmp(*argv,"-crl_check_all") == 0)
429 vflags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;
430 else if (strcmp(*argv,"-prexit") == 0)
432 else if (strcmp(*argv,"-crlf") == 0)
434 else if (strcmp(*argv,"-quiet") == 0)
439 else if (strcmp(*argv,"-ign_eof") == 0)
441 else if (strcmp(*argv,"-no_ign_eof") == 0)
443 else if (strcmp(*argv,"-pause") == 0)
445 else if (strcmp(*argv,"-debug") == 0)
447 #ifndef OPENSSL_NO_TLSEXT
448 else if (strcmp(*argv,"-tlsextdebug") == 0)
450 else if (strcmp(*argv,"-status") == 0)
454 else if (strcmp(*argv,"-wdebug") == 0)
457 else if (strcmp(*argv,"-msg") == 0)
459 else if (strcmp(*argv,"-showcerts") == 0)
461 else if (strcmp(*argv,"-nbio_test") == 0)
463 else if (strcmp(*argv,"-state") == 0)
465 #ifndef OPENSSL_NO_SSL2
466 else if (strcmp(*argv,"-ssl2") == 0)
467 meth=SSLv2_client_method();
469 #ifndef OPENSSL_NO_SSL3
470 else if (strcmp(*argv,"-ssl3") == 0)
471 meth=SSLv3_client_method();
473 #ifndef OPENSSL_NO_TLS1
474 else if (strcmp(*argv,"-tls1") == 0)
475 meth=TLSv1_client_method();
477 #ifndef OPENSSL_NO_DTLS1
478 else if (strcmp(*argv,"-dtls1") == 0)
480 meth=DTLSv1_client_method();
481 sock_type=SOCK_DGRAM;
483 else if (strcmp(*argv,"-timeout") == 0)
485 else if (strcmp(*argv,"-mtu") == 0)
487 if (--argc < 1) goto bad;
488 socket_mtu = atol(*(++argv));
491 else if (strcmp(*argv,"-bugs") == 0)
493 else if (strcmp(*argv,"-keyform") == 0)
495 if (--argc < 1) goto bad;
496 key_format = str2fmt(*(++argv));
498 else if (strcmp(*argv,"-pass") == 0)
500 if (--argc < 1) goto bad;
503 else if (strcmp(*argv,"-key") == 0)
505 if (--argc < 1) goto bad;
508 else if (strcmp(*argv,"-reconnect") == 0)
512 else if (strcmp(*argv,"-CApath") == 0)
514 if (--argc < 1) goto bad;
517 else if (strcmp(*argv,"-CAfile") == 0)
519 if (--argc < 1) goto bad;
522 else if (strcmp(*argv,"-no_tls1") == 0)
523 off|=SSL_OP_NO_TLSv1;
524 else if (strcmp(*argv,"-no_ssl3") == 0)
525 off|=SSL_OP_NO_SSLv3;
526 else if (strcmp(*argv,"-no_ssl2") == 0)
527 off|=SSL_OP_NO_SSLv2;
528 #ifndef OPENSSL_NO_TLSEXT
529 else if (strcmp(*argv,"-no_ticket") == 0)
530 { off|=SSL_OP_NO_TICKET; }
532 else if (strcmp(*argv,"-serverpref") == 0)
533 off|=SSL_OP_CIPHER_SERVER_PREFERENCE;
534 else if (strcmp(*argv,"-legacy_renegotiation") == 0)
535 off|=SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION;
536 else if (strcmp(*argv,"-legacy_server_connect") == 0)
537 { off|=SSL_OP_LEGACY_SERVER_CONNECT; }
538 else if (strcmp(*argv,"-no_legacy_server_connect") == 0)
539 { clr|=SSL_OP_LEGACY_SERVER_CONNECT; }
540 else if (strcmp(*argv,"-cipher") == 0)
542 if (--argc < 1) goto bad;
546 else if (strcmp(*argv,"-nbio") == 0)
549 else if (strcmp(*argv,"-starttls") == 0)
551 if (--argc < 1) goto bad;
553 if (strcmp(*argv,"smtp") == 0)
554 starttls_proto = PROTO_SMTP;
555 else if (strcmp(*argv,"pop3") == 0)
556 starttls_proto = PROTO_POP3;
557 else if (strcmp(*argv,"imap") == 0)
558 starttls_proto = PROTO_IMAP;
559 else if (strcmp(*argv,"ftp") == 0)
560 starttls_proto = PROTO_FTP;
561 else if (strcmp(*argv, "xmpp") == 0)
562 starttls_proto = PROTO_XMPP;
566 #ifndef OPENSSL_NO_ENGINE
567 else if (strcmp(*argv,"-engine") == 0)
569 if (--argc < 1) goto bad;
570 engine_id = *(++argv);
572 else if (strcmp(*argv,"-ssl_client_engine") == 0)
574 if (--argc < 1) goto bad;
575 ssl_client_engine_id = *(++argv);
578 else if (strcmp(*argv,"-rand") == 0)
580 if (--argc < 1) goto bad;
583 #ifndef OPENSSL_NO_TLSEXT
584 else if (strcmp(*argv,"-servername") == 0)
586 if (--argc < 1) goto bad;
587 servername= *(++argv);
588 /* meth=TLSv1_client_method(); */
591 #ifndef OPENSSL_NO_JPAKE
592 else if (strcmp(*argv,"-jpake") == 0)
594 if (--argc < 1) goto bad;
595 jpake_secret = *++argv;
600 BIO_printf(bio_err,"unknown option %s\n",*argv);
614 OpenSSL_add_ssl_algorithms();
615 SSL_load_error_strings();
617 #ifndef OPENSSL_NO_ENGINE
618 e = setup_engine(bio_err, engine_id, 1);
619 if (ssl_client_engine_id)
621 ssl_client_engine = ENGINE_by_id(ssl_client_engine_id);
622 if (!ssl_client_engine)
625 "Error getting client auth engine\n");
630 if (!app_passwd(bio_err, passarg, NULL, &pass, NULL))
632 BIO_printf(bio_err, "Error getting password\n");
636 if (key_file == NULL)
637 key_file = cert_file;
644 key = load_key(bio_err, key_file, key_format, 0, pass, e,
645 "client certificate private key file");
648 ERR_print_errors(bio_err);
657 cert = load_cert(bio_err,cert_file,cert_format,
658 NULL, e, "client certificate file");
662 ERR_print_errors(bio_err);
667 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
670 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
673 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
674 app_RAND_load_files(inrand));
676 if (bio_c_out == NULL)
678 if (c_quiet && !c_debug && !c_msg)
680 bio_c_out=BIO_new(BIO_s_null());
684 if (bio_c_out == NULL)
685 bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE);
689 ctx=SSL_CTX_new(meth);
692 ERR_print_errors(bio_err);
696 #ifndef OPENSSL_NO_ENGINE
697 if (ssl_client_engine)
699 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine))
701 BIO_puts(bio_err, "Error setting client auth engine\n");
702 ERR_print_errors(bio_err);
703 ENGINE_free(ssl_client_engine);
706 ENGINE_free(ssl_client_engine);
711 SSL_CTX_set_options(ctx,SSL_OP_ALL|off);
713 SSL_CTX_set_options(ctx,off);
716 SSL_CTX_clear_options(ctx, clr);
717 /* DTLS: partial reads end up discarding unread UDP bytes :-(
718 * Setting read ahead solves this problem.
720 if (sock_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
722 if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
724 if(!SSL_CTX_set_cipher_list(ctx,cipher)) {
725 BIO_printf(bio_err,"error setting cipher list\n");
726 ERR_print_errors(bio_err);
731 SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER"));
734 SSL_CTX_set_verify(ctx,verify,verify_callback);
735 if (!set_cert_key_stuff(ctx,cert,key))
738 if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
739 (!SSL_CTX_set_default_verify_paths(ctx)))
741 /* BIO_printf(bio_err,"error setting default verify locations\n"); */
742 ERR_print_errors(bio_err);
746 store = SSL_CTX_get_cert_store(ctx);
747 X509_STORE_set_flags(store, vflags);
748 #ifndef OPENSSL_NO_TLSEXT
749 if (servername != NULL)
751 tlsextcbp.biodebug = bio_err;
752 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
753 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
761 BIO *stmp = BIO_new_file(sess_in, "r");
764 BIO_printf(bio_err, "Can't open session file %s\n",
766 ERR_print_errors(bio_err);
769 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
773 BIO_printf(bio_err, "Can't open session file %s\n",
775 ERR_print_errors(bio_err);
778 SSL_set_session(con, sess);
779 SSL_SESSION_free(sess);
781 #ifndef OPENSSL_NO_TLSEXT
782 if (servername != NULL)
784 if (!SSL_set_tlsext_host_name(con,servername))
786 BIO_printf(bio_err,"Unable to set TLS servername extension.\n");
787 ERR_print_errors(bio_err);
793 #ifndef OPENSSL_NO_KRB5
794 if (con && (con->kssl_ctx = kssl_ctx_new()) != NULL)
796 kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVER, host);
798 #endif /* OPENSSL_NO_KRB5 */
799 /* SSL_set_cipher_list(con,"RC4-MD5"); */
803 if (init_client(&s,host,port,sock_type) == 0)
805 BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error());
809 BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s);
815 BIO_printf(bio_c_out,"turning on non blocking io\n");
816 if (BIO_socket_ioctl(s,FIONBIO,&l) < 0)
818 ERR_print_errors(bio_err);
823 if (c_Pause & 0x01) con->debug=1;
825 if ( SSL_version(con) == DTLS1_VERSION)
828 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
829 if (getsockname(s, &peer, (void *)&peerlen) < 0)
831 BIO_printf(bio_err, "getsockname:errno=%d\n",
832 get_last_socket_error());
837 (void)BIO_ctrl_set_connected(sbio, 1, &peer);
839 if ( enable_timeouts)
842 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
843 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
846 timeout.tv_usec = DGRAM_SND_TIMEOUT;
847 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
852 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
853 SSL_set_mtu(con, socket_mtu - 28);
856 /* want to do MTU discovery */
857 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
860 sbio=BIO_new_socket(s,BIO_NOCLOSE);
866 test=BIO_new(BIO_f_nbio_test());
867 sbio=BIO_push(test,sbio);
873 BIO_set_callback(sbio,bio_dump_callback);
874 BIO_set_callback_arg(sbio,(char *)bio_c_out);
878 SSL_set_msg_callback(con, msg_cb);
879 SSL_set_msg_callback_arg(con, bio_c_out);
881 #ifndef OPENSSL_NO_TLSEXT
884 SSL_set_tlsext_debug_callback(con, tlsext_cb);
885 SSL_set_tlsext_debug_arg(con, bio_c_out);
889 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
890 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
891 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
894 STACK_OF(OCSP_RESPID) *ids = sk_OCSP_RESPID_new_null();
895 OCSP_RESPID *id = OCSP_RESPID_new();
896 id->value.byKey = ASN1_OCTET_STRING_new();
897 id->type = V_OCSP_RESPID_KEY;
898 ASN1_STRING_set(id->value.byKey, "Hello World", -1);
899 sk_OCSP_RESPID_push(ids, id);
900 SSL_set_tlsext_status_ids(con, ids);
905 #ifndef OPENSSL_NO_JPAKE
907 jpake_client_auth(bio_c_out, sbio, jpake_secret);
910 SSL_set_bio(con,sbio,sbio);
911 SSL_set_connect_state(con);
913 /* ok, lets connect */
914 width=SSL_get_fd(con)+1;
927 /* This is an ugly hack that does a lot of assumptions */
928 /* We do have to handle multi-line responses which may come
929 in a single packet or not. We therefore have to use
930 BIO_gets() which does need a buffering BIO. So during
931 the initial chitchat we do push a buffering BIO into the
932 chain that is removed again later on to not disturb the
933 rest of the s_client operation. */
934 if (starttls_proto == PROTO_SMTP)
937 BIO *fbio = BIO_new(BIO_f_buffer());
938 BIO_push(fbio, sbio);
939 /* wait for multi-line response to end from SMTP */
942 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
944 while (mbuf_len>3 && mbuf[3]=='-');
945 /* STARTTLS command requires EHLO... */
946 BIO_printf(fbio,"EHLO openssl.client.net\r\n");
947 (void)BIO_flush(fbio);
948 /* wait for multi-line response to end EHLO SMTP response */
951 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
952 if (strstr(mbuf,"STARTTLS"))
955 while (mbuf_len>3 && mbuf[3]=='-');
956 (void)BIO_flush(fbio);
961 "didn't found starttls in server response,"
963 BIO_printf(sbio,"STARTTLS\r\n");
964 BIO_read(sbio,sbuf,BUFSIZZ);
966 else if (starttls_proto == PROTO_POP3)
968 BIO_read(sbio,mbuf,BUFSIZZ);
969 BIO_printf(sbio,"STLS\r\n");
970 BIO_read(sbio,sbuf,BUFSIZZ);
972 else if (starttls_proto == PROTO_IMAP)
975 BIO *fbio = BIO_new(BIO_f_buffer());
976 BIO_push(fbio, sbio);
977 BIO_gets(fbio,mbuf,BUFSIZZ);
978 /* STARTTLS command requires CAPABILITY... */
979 BIO_printf(fbio,". CAPABILITY\r\n");
980 (void)BIO_flush(fbio);
981 /* wait for multi-line CAPABILITY response */
984 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
985 if (strstr(mbuf,"STARTTLS"))
988 while (mbuf_len>3 && mbuf[0]!='.');
989 (void)BIO_flush(fbio);
994 "didn't found STARTTLS in server response,"
996 BIO_printf(sbio,". STARTTLS\r\n");
997 BIO_read(sbio,sbuf,BUFSIZZ);
999 else if (starttls_proto == PROTO_FTP)
1001 BIO *fbio = BIO_new(BIO_f_buffer());
1002 BIO_push(fbio, sbio);
1003 /* wait for multi-line response to end from FTP */
1006 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1008 while (mbuf_len>3 && mbuf[3]=='-');
1009 (void)BIO_flush(fbio);
1012 BIO_printf(sbio,"AUTH TLS\r\n");
1013 BIO_read(sbio,sbuf,BUFSIZZ);
1015 if (starttls_proto == PROTO_XMPP)
1018 BIO_printf(sbio,"<stream:stream "
1019 "xmlns:stream='http://etherx.jabber.org/streams' "
1020 "xmlns='jabber:client' to='%s' version='1.0'>", host);
1021 seen = BIO_read(sbio,mbuf,BUFSIZZ);
1023 while (!strstr(mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'"))
1025 if (strstr(mbuf, "/stream:features>"))
1027 seen = BIO_read(sbio,mbuf,BUFSIZZ);
1030 BIO_printf(sbio, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
1031 seen = BIO_read(sbio,sbuf,BUFSIZZ);
1033 if (!strstr(sbuf, "<proceed"))
1043 if ((SSL_version(con) == DTLS1_VERSION) &&
1044 DTLSv1_get_timeout(con, &timeout))
1045 timeoutp = &timeout;
1049 if (SSL_in_init(con) && !SSL_total_renegotiations(con))
1062 BIO *stmp = BIO_new_file(sess_out, "w");
1065 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));
1069 BIO_printf(bio_err, "Error writing session file %s\n", sess_out);
1071 print_stuff(bio_c_out,con,full_log);
1072 if (full_log > 0) full_log--;
1076 BIO_printf(bio_err,"%s",mbuf);
1077 /* We don't need to know any more */
1078 starttls_proto = PROTO_OFF;
1084 BIO_printf(bio_c_out,"drop connection and then reconnect\n");
1086 SSL_set_connect_state(con);
1087 SHUTDOWN(SSL_get_fd(con));
1093 ssl_pending = read_ssl && SSL_pending(con);
1097 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE)
1100 if (read_tty) FD_SET(fileno(stdin),&readfds);
1101 if (write_tty) FD_SET(fileno(stdout),&writefds);
1104 FD_SET(SSL_get_fd(con),&readfds);
1106 FD_SET(SSL_get_fd(con),&writefds);
1108 if(!tty_on || !write_tty) {
1110 FD_SET(SSL_get_fd(con),&readfds);
1112 FD_SET(SSL_get_fd(con),&writefds);
1115 /* printf("mode tty(%d %d%d) ssl(%d%d)\n",
1116 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
1118 /* Note: under VMS with SOCKETSHR the second parameter
1119 * is currently of type (int *) whereas under other
1120 * systems it is (void *) if you don't have a cast it
1121 * will choke the compiler: if you do have a cast then
1122 * you can either go for (int *) or (void *).
1124 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1125 /* Under Windows/DOS we make the assumption that we can
1126 * always write to the tty: therefore if we need to
1127 * write to the tty we just fall through. Otherwise
1128 * we timeout the select every second and see if there
1129 * are any keypresses. Note: this is a hack, in a proper
1130 * Windows application we wouldn't do this.
1137 i=select(width,(void *)&readfds,(void *)&writefds,
1139 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1140 if(!i && (!_kbhit() || !read_tty) ) continue;
1142 if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue;
1144 } else i=select(width,(void *)&readfds,(void *)&writefds,
1147 #elif defined(OPENSSL_SYS_NETWARE)
1152 i=select(width,(void *)&readfds,(void *)&writefds,
1154 } else i=select(width,(void *)&readfds,(void *)&writefds,
1158 i=select(width,(void *)&readfds,(void *)&writefds,
1163 BIO_printf(bio_err,"bad select %d\n",
1164 get_last_socket_error());
1170 if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
1172 BIO_printf(bio_err,"TIMEOUT occured\n");
1175 if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds))
1177 k=SSL_write(con,&(cbuf[cbuf_off]),
1178 (unsigned int)cbuf_len);
1179 switch (SSL_get_error(con,k))
1181 case SSL_ERROR_NONE:
1184 if (k <= 0) goto end;
1185 /* we have done a write(con,NULL,0); */
1191 else /* if (cbuf_len > 0) */
1197 case SSL_ERROR_WANT_WRITE:
1198 BIO_printf(bio_c_out,"write W BLOCK\n");
1202 case SSL_ERROR_WANT_READ:
1203 BIO_printf(bio_c_out,"write R BLOCK\n");
1208 case SSL_ERROR_WANT_X509_LOOKUP:
1209 BIO_printf(bio_c_out,"write X BLOCK\n");
1211 case SSL_ERROR_ZERO_RETURN:
1214 BIO_printf(bio_c_out,"shutdown\n");
1224 case SSL_ERROR_SYSCALL:
1225 if ((k != 0) || (cbuf_len != 0))
1227 BIO_printf(bio_err,"write:errno=%d\n",
1228 get_last_socket_error());
1238 ERR_print_errors(bio_err);
1242 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
1243 /* Assume Windows/DOS can always write */
1244 else if (!ssl_pending && write_tty)
1246 else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds))
1249 #ifdef CHARSET_EBCDIC
1250 ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len);
1252 i=write(fileno(stdout),&(sbuf[sbuf_off]),sbuf_len);
1256 BIO_printf(bio_c_out,"DONE\n");
1269 else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds))
1272 { static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } }
1275 k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ );
1277 /* Demo for pending and peek :-) */
1278 k=SSL_read(con,sbuf,16);
1280 printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240));
1284 switch (SSL_get_error(con,k))
1286 case SSL_ERROR_NONE:
1295 case SSL_ERROR_WANT_WRITE:
1296 BIO_printf(bio_c_out,"read W BLOCK\n");
1300 case SSL_ERROR_WANT_READ:
1301 BIO_printf(bio_c_out,"read R BLOCK\n");
1304 if ((read_tty == 0) && (write_ssl == 0))
1307 case SSL_ERROR_WANT_X509_LOOKUP:
1308 BIO_printf(bio_c_out,"read X BLOCK\n");
1310 case SSL_ERROR_SYSCALL:
1311 BIO_printf(bio_err,"read:errno=%d\n",get_last_socket_error());
1313 case SSL_ERROR_ZERO_RETURN:
1314 BIO_printf(bio_c_out,"closed\n");
1317 ERR_print_errors(bio_err);
1323 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1324 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1327 else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
1329 #elif defined (OPENSSL_SYS_NETWARE)
1332 else if (FD_ISSET(fileno(stdin),&readfds))
1339 i=read(fileno(stdin),cbuf,BUFSIZZ/2);
1341 /* both loops are skipped when i <= 0 */
1342 for (j = 0; j < i; j++)
1343 if (cbuf[j] == '\n')
1345 for (j = i-1; j >= 0; j--)
1347 cbuf[j+lf_num] = cbuf[j];
1348 if (cbuf[j] == '\n')
1352 cbuf[j+lf_num] = '\r';
1355 assert(lf_num == 0);
1358 i=read(fileno(stdin),cbuf,BUFSIZZ);
1360 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q')))
1362 BIO_printf(bio_err,"DONE\n");
1366 if ((!c_ign_eof) && (cbuf[0] == 'R'))
1368 BIO_printf(bio_err,"RENEGOTIATING\n");
1369 SSL_renegotiate(con);
1376 #ifdef CHARSET_EBCDIC
1377 ebcdic2ascii(cbuf, cbuf, i);
1387 SHUTDOWN(SSL_get_fd(con));
1390 if(prexit) print_stuff(bio_c_out,con,1);
1391 if (con != NULL) SSL_free(con);
1392 if (con2 != NULL) SSL_free(con2);
1393 if (ctx != NULL) SSL_CTX_free(ctx);
1400 if (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); }
1401 if (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); }
1402 if (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); }
1403 if (bio_c_out != NULL)
1405 BIO_free(bio_c_out);
1413 static void print_stuff(BIO *bio, SSL *s, int full)
1417 static const char *space=" ";
1420 STACK_OF(X509_NAME) *sk2;
1424 #ifndef OPENSSL_NO_COMP
1425 const COMP_METHOD *comp, *expansion;
1430 int got_a_chain = 0;
1432 sk=SSL_get_peer_cert_chain(s);
1435 got_a_chain = 1; /* we don't have it for SSL2 (yet) */
1437 BIO_printf(bio,"---\nCertificate chain\n");
1438 for (i=0; i<sk_X509_num(sk); i++)
1440 X509_NAME_oneline(X509_get_subject_name(
1441 sk_X509_value(sk,i)),buf,sizeof buf);
1442 BIO_printf(bio,"%2d s:%s\n",i,buf);
1443 X509_NAME_oneline(X509_get_issuer_name(
1444 sk_X509_value(sk,i)),buf,sizeof buf);
1445 BIO_printf(bio," i:%s\n",buf);
1447 PEM_write_bio_X509(bio,sk_X509_value(sk,i));
1451 BIO_printf(bio,"---\n");
1452 peer=SSL_get_peer_certificate(s);
1455 BIO_printf(bio,"Server certificate\n");
1456 if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */
1457 PEM_write_bio_X509(bio,peer);
1458 X509_NAME_oneline(X509_get_subject_name(peer),
1460 BIO_printf(bio,"subject=%s\n",buf);
1461 X509_NAME_oneline(X509_get_issuer_name(peer),
1463 BIO_printf(bio,"issuer=%s\n",buf);
1466 BIO_printf(bio,"no peer certificate available\n");
1468 sk2=SSL_get_client_CA_list(s);
1469 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0))
1471 BIO_printf(bio,"---\nAcceptable client certificate CA names\n");
1472 for (i=0; i<sk_X509_NAME_num(sk2); i++)
1474 xn=sk_X509_NAME_value(sk2,i);
1475 X509_NAME_oneline(xn,buf,sizeof(buf));
1476 BIO_write(bio,buf,strlen(buf));
1477 BIO_write(bio,"\n",1);
1482 BIO_printf(bio,"---\nNo client certificate CA names sent\n");
1484 p=SSL_get_shared_ciphers(s,buf,sizeof buf);
1487 /* This works only for SSL 2. In later protocol
1488 * versions, the client does not know what other
1489 * ciphers (in addition to the one to be used
1490 * in the current connection) the server supports. */
1492 BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n");
1498 BIO_write(bio,space,15-j%25);
1501 BIO_write(bio,((i%3)?" ":"\n"),1);
1510 BIO_write(bio,"\n",1);
1513 BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n",
1514 BIO_number_read(SSL_get_rbio(s)),
1515 BIO_number_written(SSL_get_wbio(s)));
1517 BIO_printf(bio,((s->hit)?"---\nReused, ":"---\nNew, "));
1518 c=SSL_get_current_cipher(s);
1519 BIO_printf(bio,"%s, Cipher is %s\n",
1520 SSL_CIPHER_get_version(c),
1521 SSL_CIPHER_get_name(c));
1524 pktmp = X509_get_pubkey(peer);
1525 BIO_printf(bio,"Server public key is %d bit\n",
1526 EVP_PKEY_bits(pktmp));
1527 EVP_PKEY_free(pktmp);
1529 BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
1530 SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
1531 #ifndef OPENSSL_NO_COMP
1532 comp=SSL_get_current_compression(s);
1533 expansion=SSL_get_current_expansion(s);
1534 BIO_printf(bio,"Compression: %s\n",
1535 comp ? SSL_COMP_get_name(comp) : "NONE");
1536 BIO_printf(bio,"Expansion: %s\n",
1537 expansion ? SSL_COMP_get_name(expansion) : "NONE");
1539 SSL_SESSION_print(bio,SSL_get_session(s));
1540 BIO_printf(bio,"---\n");
1543 /* flush, or debugging output gets mixed with http response */
1544 (void)BIO_flush(bio);
1547 #ifndef OPENSSL_NO_TLSEXT
1549 static int ocsp_resp_cb(SSL *s, void *arg)
1551 const unsigned char *p;
1554 len = SSL_get_tlsext_status_ocsp_resp(s, &p);
1555 BIO_puts(arg, "OCSP response: ");
1558 BIO_puts(arg, "no response sent\n");
1561 rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
1564 BIO_puts(arg, "response parse error\n");
1565 BIO_dump_indent(arg, (char *)p, len, 4);
1568 BIO_puts(arg, "\n======================================\n");
1569 OCSP_RESPONSE_print(arg, rsp, 0);
1570 BIO_puts(arg, "======================================\n");
1571 OCSP_RESPONSE_free(rsp);
1574 #endif /* ndef OPENSSL_NO_TLSEXT */