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," -fallback_scsv - send TLS_FALLBACK_SCSV\n");
230 BIO_printf(bio_err," -mtu - set the link layer MTU\n");
231 BIO_printf(bio_err," -no_tls1/-no_ssl3/-no_ssl2 - turn off that protocol\n");
232 BIO_printf(bio_err," -bugs - Switch on all SSL implementation bug workarounds\n");
233 BIO_printf(bio_err," -serverpref - Use server's cipher preferences (only SSLv2)\n");
234 BIO_printf(bio_err," -cipher - preferred cipher to use, use the 'openssl ciphers'\n");
235 BIO_printf(bio_err," command to see what is available\n");
236 BIO_printf(bio_err," -starttls prot - use the STARTTLS command before starting TLS\n");
237 BIO_printf(bio_err," for those protocols that support it, where\n");
238 BIO_printf(bio_err," 'prot' defines which one to assume. Currently,\n");
239 BIO_printf(bio_err," only \"smtp\", \"pop3\", \"imap\", \"ftp\" and \"xmpp\"\n");
240 BIO_printf(bio_err," are supported.\n");
241 #ifndef OPENSSL_NO_ENGINE
242 BIO_printf(bio_err," -engine id - Initialise and use the specified engine\n");
244 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
245 BIO_printf(bio_err," -sess_out arg - file to write SSL session to\n");
246 BIO_printf(bio_err," -sess_in arg - file to read SSL session from\n");
247 #ifndef OPENSSL_NO_TLSEXT
248 BIO_printf(bio_err," -servername host - Set TLS extension servername in ClientHello\n");
249 BIO_printf(bio_err," -tlsextdebug - hex dump of all TLS extensions received\n");
250 BIO_printf(bio_err," -status - request certificate status from server\n");
251 BIO_printf(bio_err," -no_ticket - disable use of RFC4507bis session tickets\n");
253 BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
256 #ifndef OPENSSL_NO_TLSEXT
258 /* This is a context that we pass to callbacks */
259 typedef struct tlsextctx_st {
265 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
267 tlsextctx * p = (tlsextctx *) arg;
268 const char * hn= SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
269 if (SSL_get_servername_type(s) != -1)
270 p->ack = !SSL_session_reused(s) && hn != NULL;
272 BIO_printf(bio_err,"Can't use SSL_get_servername\n");
274 return SSL_TLSEXT_ERR_OK;
287 int MAIN(int, char **);
289 int MAIN(int argc, char **argv)
292 SSL *con=NULL,*con2=NULL;
293 X509_STORE *store = NULL;
294 int s,k,width,state=0;
295 char *cbuf=NULL,*sbuf=NULL,*mbuf=NULL;
296 int cbuf_len,cbuf_off;
297 int sbuf_len,sbuf_off;
298 fd_set readfds,writefds;
301 char *host=SSL_HOST_NAME;
302 char *cert_file=NULL,*key_file=NULL;
303 int cert_format = FORMAT_PEM, key_format = FORMAT_PEM;
304 char *passarg = NULL, *pass = NULL;
306 EVP_PKEY *key = NULL;
307 char *CApath=NULL,*CAfile=NULL,*cipher=NULL;
308 int reconnect=0,badop=0,verify=SSL_VERIFY_NONE,bugs=0;
310 int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending;
312 int ret=1,in_init=1,i,nbio_test=0;
313 int starttls_proto = PROTO_OFF;
314 int prexit = 0, vflags = 0;
315 SSL_METHOD *meth=NULL;
319 int sock_type=SOCK_STREAM;
323 struct timeval timeout, *timeoutp;
324 #ifndef OPENSSL_NO_ENGINE
325 char *engine_id=NULL;
326 char *ssl_client_engine_id=NULL;
327 ENGINE *ssl_client_engine=NULL;
330 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
334 #ifndef OPENSSL_NO_TLSEXT
335 char *servername = NULL;
336 tlsextctx tlsextcbp =
339 char *sess_in = NULL;
340 char *sess_out = NULL;
341 struct sockaddr peer;
342 int peerlen = sizeof(peer);
343 int fallback_scsv = 0;
344 int enable_timeouts = 0 ;
346 #ifndef OPENSSL_NO_JPAKE
347 char *jpake_secret = NULL;
350 meth=SSLv23_client_method();
361 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
363 if (!load_config(bio_err, NULL))
366 if ( ((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
367 ((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
368 ((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL))
370 BIO_printf(bio_err,"out of memory\n");
375 verify_error=X509_V_OK;
384 if (strcmp(*argv,"-host") == 0)
386 if (--argc < 1) goto bad;
389 else if (strcmp(*argv,"-port") == 0)
391 if (--argc < 1) goto bad;
392 port=atoi(*(++argv));
393 if (port == 0) goto bad;
395 else if (strcmp(*argv,"-connect") == 0)
397 if (--argc < 1) goto bad;
398 if (!extract_host_port(*(++argv),&host,NULL,&port))
401 else if (strcmp(*argv,"-verify") == 0)
403 verify=SSL_VERIFY_PEER;
404 if (--argc < 1) goto bad;
405 verify_depth=atoi(*(++argv));
406 BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
408 else if (strcmp(*argv,"-cert") == 0)
410 if (--argc < 1) goto bad;
411 cert_file= *(++argv);
413 else if (strcmp(*argv,"-sess_out") == 0)
415 if (--argc < 1) goto bad;
416 sess_out = *(++argv);
418 else if (strcmp(*argv,"-sess_in") == 0)
420 if (--argc < 1) goto bad;
423 else if (strcmp(*argv,"-certform") == 0)
425 if (--argc < 1) goto bad;
426 cert_format = str2fmt(*(++argv));
428 else if (strcmp(*argv,"-crl_check") == 0)
429 vflags |= X509_V_FLAG_CRL_CHECK;
430 else if (strcmp(*argv,"-crl_check_all") == 0)
431 vflags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;
432 else if (strcmp(*argv,"-prexit") == 0)
434 else if (strcmp(*argv,"-crlf") == 0)
436 else if (strcmp(*argv,"-quiet") == 0)
441 else if (strcmp(*argv,"-ign_eof") == 0)
443 else if (strcmp(*argv,"-no_ign_eof") == 0)
445 else if (strcmp(*argv,"-pause") == 0)
447 else if (strcmp(*argv,"-debug") == 0)
449 #ifndef OPENSSL_NO_TLSEXT
450 else if (strcmp(*argv,"-tlsextdebug") == 0)
452 else if (strcmp(*argv,"-status") == 0)
456 else if (strcmp(*argv,"-wdebug") == 0)
459 else if (strcmp(*argv,"-msg") == 0)
461 else if (strcmp(*argv,"-showcerts") == 0)
463 else if (strcmp(*argv,"-nbio_test") == 0)
465 else if (strcmp(*argv,"-state") == 0)
467 #ifndef OPENSSL_NO_SSL2
468 else if (strcmp(*argv,"-ssl2") == 0)
469 meth=SSLv2_client_method();
471 #ifndef OPENSSL_NO_SSL3
472 else if (strcmp(*argv,"-ssl3") == 0)
473 meth=SSLv3_client_method();
475 #ifndef OPENSSL_NO_TLS1
476 else if (strcmp(*argv,"-tls1") == 0)
477 meth=TLSv1_client_method();
479 #ifndef OPENSSL_NO_DTLS1
480 else if (strcmp(*argv,"-dtls1") == 0)
482 meth=DTLSv1_client_method();
483 sock_type=SOCK_DGRAM;
485 else if (strcmp(*argv,"-timeout") == 0)
487 else if (strcmp(*argv,"-mtu") == 0)
489 if (--argc < 1) goto bad;
490 socket_mtu = atol(*(++argv));
493 else if (strcmp(*argv,"-fallback_scsv") == 0)
497 else if (strcmp(*argv,"-bugs") == 0)
499 else if (strcmp(*argv,"-keyform") == 0)
501 if (--argc < 1) goto bad;
502 key_format = str2fmt(*(++argv));
504 else if (strcmp(*argv,"-pass") == 0)
506 if (--argc < 1) goto bad;
509 else if (strcmp(*argv,"-key") == 0)
511 if (--argc < 1) goto bad;
514 else if (strcmp(*argv,"-reconnect") == 0)
518 else if (strcmp(*argv,"-CApath") == 0)
520 if (--argc < 1) goto bad;
523 else if (strcmp(*argv,"-CAfile") == 0)
525 if (--argc < 1) goto bad;
528 else if (strcmp(*argv,"-no_tls1") == 0)
529 off|=SSL_OP_NO_TLSv1;
530 else if (strcmp(*argv,"-no_ssl3") == 0)
531 off|=SSL_OP_NO_SSLv3;
532 else if (strcmp(*argv,"-no_ssl2") == 0)
533 off|=SSL_OP_NO_SSLv2;
534 #ifndef OPENSSL_NO_TLSEXT
535 else if (strcmp(*argv,"-no_ticket") == 0)
536 { off|=SSL_OP_NO_TICKET; }
538 else if (strcmp(*argv,"-serverpref") == 0)
539 off|=SSL_OP_CIPHER_SERVER_PREFERENCE;
540 else if (strcmp(*argv,"-legacy_renegotiation") == 0)
541 off|=SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION;
542 else if (strcmp(*argv,"-legacy_server_connect") == 0)
543 { off|=SSL_OP_LEGACY_SERVER_CONNECT; }
544 else if (strcmp(*argv,"-no_legacy_server_connect") == 0)
545 { clr|=SSL_OP_LEGACY_SERVER_CONNECT; }
546 else if (strcmp(*argv,"-cipher") == 0)
548 if (--argc < 1) goto bad;
552 else if (strcmp(*argv,"-nbio") == 0)
555 else if (strcmp(*argv,"-starttls") == 0)
557 if (--argc < 1) goto bad;
559 if (strcmp(*argv,"smtp") == 0)
560 starttls_proto = PROTO_SMTP;
561 else if (strcmp(*argv,"pop3") == 0)
562 starttls_proto = PROTO_POP3;
563 else if (strcmp(*argv,"imap") == 0)
564 starttls_proto = PROTO_IMAP;
565 else if (strcmp(*argv,"ftp") == 0)
566 starttls_proto = PROTO_FTP;
567 else if (strcmp(*argv, "xmpp") == 0)
568 starttls_proto = PROTO_XMPP;
572 #ifndef OPENSSL_NO_ENGINE
573 else if (strcmp(*argv,"-engine") == 0)
575 if (--argc < 1) goto bad;
576 engine_id = *(++argv);
578 else if (strcmp(*argv,"-ssl_client_engine") == 0)
580 if (--argc < 1) goto bad;
581 ssl_client_engine_id = *(++argv);
584 else if (strcmp(*argv,"-rand") == 0)
586 if (--argc < 1) goto bad;
589 #ifndef OPENSSL_NO_TLSEXT
590 else if (strcmp(*argv,"-servername") == 0)
592 if (--argc < 1) goto bad;
593 servername= *(++argv);
594 /* meth=TLSv1_client_method(); */
597 #ifndef OPENSSL_NO_JPAKE
598 else if (strcmp(*argv,"-jpake") == 0)
600 if (--argc < 1) goto bad;
601 jpake_secret = *++argv;
606 BIO_printf(bio_err,"unknown option %s\n",*argv);
620 OpenSSL_add_ssl_algorithms();
621 SSL_load_error_strings();
623 #ifndef OPENSSL_NO_ENGINE
624 e = setup_engine(bio_err, engine_id, 1);
625 if (ssl_client_engine_id)
627 ssl_client_engine = ENGINE_by_id(ssl_client_engine_id);
628 if (!ssl_client_engine)
631 "Error getting client auth engine\n");
636 if (!app_passwd(bio_err, passarg, NULL, &pass, NULL))
638 BIO_printf(bio_err, "Error getting password\n");
642 if (key_file == NULL)
643 key_file = cert_file;
650 key = load_key(bio_err, key_file, key_format, 0, pass, e,
651 "client certificate private key file");
654 ERR_print_errors(bio_err);
663 cert = load_cert(bio_err,cert_file,cert_format,
664 NULL, e, "client certificate file");
668 ERR_print_errors(bio_err);
673 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
676 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
679 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
680 app_RAND_load_files(inrand));
682 if (bio_c_out == NULL)
684 if (c_quiet && !c_debug && !c_msg)
686 bio_c_out=BIO_new(BIO_s_null());
690 if (bio_c_out == NULL)
691 bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE);
695 ctx=SSL_CTX_new(meth);
698 ERR_print_errors(bio_err);
702 #ifndef OPENSSL_NO_ENGINE
703 if (ssl_client_engine)
705 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine))
707 BIO_puts(bio_err, "Error setting client auth engine\n");
708 ERR_print_errors(bio_err);
709 ENGINE_free(ssl_client_engine);
712 ENGINE_free(ssl_client_engine);
717 SSL_CTX_set_options(ctx,SSL_OP_ALL|off);
719 SSL_CTX_set_options(ctx,off);
722 SSL_CTX_clear_options(ctx, clr);
723 /* DTLS: partial reads end up discarding unread UDP bytes :-(
724 * Setting read ahead solves this problem.
726 if (sock_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
728 if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
730 if(!SSL_CTX_set_cipher_list(ctx,cipher)) {
731 BIO_printf(bio_err,"error setting cipher list\n");
732 ERR_print_errors(bio_err);
737 SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER"));
740 SSL_CTX_set_verify(ctx,verify,verify_callback);
741 if (!set_cert_key_stuff(ctx,cert,key))
744 if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
745 (!SSL_CTX_set_default_verify_paths(ctx)))
747 /* BIO_printf(bio_err,"error setting default verify locations\n"); */
748 ERR_print_errors(bio_err);
752 store = SSL_CTX_get_cert_store(ctx);
753 X509_STORE_set_flags(store, vflags);
754 #ifndef OPENSSL_NO_TLSEXT
755 if (servername != NULL)
757 tlsextcbp.biodebug = bio_err;
758 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
759 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
767 BIO *stmp = BIO_new_file(sess_in, "r");
770 BIO_printf(bio_err, "Can't open session file %s\n",
772 ERR_print_errors(bio_err);
775 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
779 BIO_printf(bio_err, "Can't open session file %s\n",
781 ERR_print_errors(bio_err);
784 SSL_set_session(con, sess);
785 SSL_SESSION_free(sess);
789 SSL_set_mode(con, SSL_MODE_SEND_FALLBACK_SCSV);
791 #ifndef OPENSSL_NO_TLSEXT
792 if (servername != NULL)
794 if (!SSL_set_tlsext_host_name(con,servername))
796 BIO_printf(bio_err,"Unable to set TLS servername extension.\n");
797 ERR_print_errors(bio_err);
803 #ifndef OPENSSL_NO_KRB5
804 if (con && (con->kssl_ctx = kssl_ctx_new()) != NULL)
806 kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVER, host);
808 #endif /* OPENSSL_NO_KRB5 */
809 /* SSL_set_cipher_list(con,"RC4-MD5"); */
813 if (init_client(&s,host,port,sock_type) == 0)
815 BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error());
819 BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s);
825 BIO_printf(bio_c_out,"turning on non blocking io\n");
826 if (BIO_socket_ioctl(s,FIONBIO,&l) < 0)
828 ERR_print_errors(bio_err);
833 if (c_Pause & 0x01) con->debug=1;
835 if ( SSL_version(con) == DTLS1_VERSION)
838 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
839 if (getsockname(s, &peer, (void *)&peerlen) < 0)
841 BIO_printf(bio_err, "getsockname:errno=%d\n",
842 get_last_socket_error());
847 (void)BIO_ctrl_set_connected(sbio, 1, &peer);
849 if ( enable_timeouts)
852 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
853 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
856 timeout.tv_usec = DGRAM_SND_TIMEOUT;
857 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
862 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
863 SSL_set_mtu(con, socket_mtu - 28);
866 /* want to do MTU discovery */
867 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
870 sbio=BIO_new_socket(s,BIO_NOCLOSE);
876 test=BIO_new(BIO_f_nbio_test());
877 sbio=BIO_push(test,sbio);
883 BIO_set_callback(sbio,bio_dump_callback);
884 BIO_set_callback_arg(sbio,(char *)bio_c_out);
888 SSL_set_msg_callback(con, msg_cb);
889 SSL_set_msg_callback_arg(con, bio_c_out);
891 #ifndef OPENSSL_NO_TLSEXT
894 SSL_set_tlsext_debug_callback(con, tlsext_cb);
895 SSL_set_tlsext_debug_arg(con, bio_c_out);
899 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
900 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
901 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
904 STACK_OF(OCSP_RESPID) *ids = sk_OCSP_RESPID_new_null();
905 OCSP_RESPID *id = OCSP_RESPID_new();
906 id->value.byKey = ASN1_OCTET_STRING_new();
907 id->type = V_OCSP_RESPID_KEY;
908 ASN1_STRING_set(id->value.byKey, "Hello World", -1);
909 sk_OCSP_RESPID_push(ids, id);
910 SSL_set_tlsext_status_ids(con, ids);
915 #ifndef OPENSSL_NO_JPAKE
917 jpake_client_auth(bio_c_out, sbio, jpake_secret);
920 SSL_set_bio(con,sbio,sbio);
921 SSL_set_connect_state(con);
923 /* ok, lets connect */
924 width=SSL_get_fd(con)+1;
937 /* This is an ugly hack that does a lot of assumptions */
938 /* We do have to handle multi-line responses which may come
939 in a single packet or not. We therefore have to use
940 BIO_gets() which does need a buffering BIO. So during
941 the initial chitchat we do push a buffering BIO into the
942 chain that is removed again later on to not disturb the
943 rest of the s_client operation. */
944 if (starttls_proto == PROTO_SMTP)
947 BIO *fbio = BIO_new(BIO_f_buffer());
948 BIO_push(fbio, sbio);
949 /* wait for multi-line response to end from SMTP */
952 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
954 while (mbuf_len>3 && mbuf[3]=='-');
955 /* STARTTLS command requires EHLO... */
956 BIO_printf(fbio,"EHLO openssl.client.net\r\n");
957 (void)BIO_flush(fbio);
958 /* wait for multi-line response to end EHLO SMTP response */
961 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
962 if (strstr(mbuf,"STARTTLS"))
965 while (mbuf_len>3 && mbuf[3]=='-');
966 (void)BIO_flush(fbio);
971 "didn't found starttls in server response,"
973 BIO_printf(sbio,"STARTTLS\r\n");
974 BIO_read(sbio,sbuf,BUFSIZZ);
976 else if (starttls_proto == PROTO_POP3)
978 BIO_read(sbio,mbuf,BUFSIZZ);
979 BIO_printf(sbio,"STLS\r\n");
980 BIO_read(sbio,sbuf,BUFSIZZ);
982 else if (starttls_proto == PROTO_IMAP)
985 BIO *fbio = BIO_new(BIO_f_buffer());
986 BIO_push(fbio, sbio);
987 BIO_gets(fbio,mbuf,BUFSIZZ);
988 /* STARTTLS command requires CAPABILITY... */
989 BIO_printf(fbio,". CAPABILITY\r\n");
990 (void)BIO_flush(fbio);
991 /* wait for multi-line CAPABILITY response */
994 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
995 if (strstr(mbuf,"STARTTLS"))
998 while (mbuf_len>3 && mbuf[0]!='.');
999 (void)BIO_flush(fbio);
1004 "didn't found STARTTLS in server response,"
1005 " try anyway...\n");
1006 BIO_printf(sbio,". STARTTLS\r\n");
1007 BIO_read(sbio,sbuf,BUFSIZZ);
1009 else if (starttls_proto == PROTO_FTP)
1011 BIO *fbio = BIO_new(BIO_f_buffer());
1012 BIO_push(fbio, sbio);
1013 /* wait for multi-line response to end from FTP */
1016 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1018 while (mbuf_len>3 && mbuf[3]=='-');
1019 (void)BIO_flush(fbio);
1022 BIO_printf(sbio,"AUTH TLS\r\n");
1023 BIO_read(sbio,sbuf,BUFSIZZ);
1025 if (starttls_proto == PROTO_XMPP)
1028 BIO_printf(sbio,"<stream:stream "
1029 "xmlns:stream='http://etherx.jabber.org/streams' "
1030 "xmlns='jabber:client' to='%s' version='1.0'>", host);
1031 seen = BIO_read(sbio,mbuf,BUFSIZZ);
1033 while (!strstr(mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'"))
1035 if (strstr(mbuf, "/stream:features>"))
1037 seen = BIO_read(sbio,mbuf,BUFSIZZ);
1040 BIO_printf(sbio, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
1041 seen = BIO_read(sbio,sbuf,BUFSIZZ);
1043 if (!strstr(sbuf, "<proceed"))
1053 if ((SSL_version(con) == DTLS1_VERSION) &&
1054 DTLSv1_get_timeout(con, &timeout))
1055 timeoutp = &timeout;
1059 if (SSL_in_init(con) && !SSL_total_renegotiations(con))
1072 BIO *stmp = BIO_new_file(sess_out, "w");
1075 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));
1079 BIO_printf(bio_err, "Error writing session file %s\n", sess_out);
1081 print_stuff(bio_c_out,con,full_log);
1082 if (full_log > 0) full_log--;
1086 BIO_printf(bio_err,"%s",mbuf);
1087 /* We don't need to know any more */
1088 starttls_proto = PROTO_OFF;
1094 BIO_printf(bio_c_out,"drop connection and then reconnect\n");
1096 SSL_set_connect_state(con);
1097 SHUTDOWN(SSL_get_fd(con));
1103 ssl_pending = read_ssl && SSL_pending(con);
1107 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE)
1110 if (read_tty) FD_SET(fileno(stdin),&readfds);
1111 if (write_tty) FD_SET(fileno(stdout),&writefds);
1114 FD_SET(SSL_get_fd(con),&readfds);
1116 FD_SET(SSL_get_fd(con),&writefds);
1118 if(!tty_on || !write_tty) {
1120 FD_SET(SSL_get_fd(con),&readfds);
1122 FD_SET(SSL_get_fd(con),&writefds);
1125 /* printf("mode tty(%d %d%d) ssl(%d%d)\n",
1126 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
1128 /* Note: under VMS with SOCKETSHR the second parameter
1129 * is currently of type (int *) whereas under other
1130 * systems it is (void *) if you don't have a cast it
1131 * will choke the compiler: if you do have a cast then
1132 * you can either go for (int *) or (void *).
1134 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1135 /* Under Windows/DOS we make the assumption that we can
1136 * always write to the tty: therefore if we need to
1137 * write to the tty we just fall through. Otherwise
1138 * we timeout the select every second and see if there
1139 * are any keypresses. Note: this is a hack, in a proper
1140 * Windows application we wouldn't do this.
1147 i=select(width,(void *)&readfds,(void *)&writefds,
1149 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1150 if(!i && (!_kbhit() || !read_tty) ) continue;
1152 if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue;
1154 } else i=select(width,(void *)&readfds,(void *)&writefds,
1157 #elif defined(OPENSSL_SYS_NETWARE)
1162 i=select(width,(void *)&readfds,(void *)&writefds,
1164 } else i=select(width,(void *)&readfds,(void *)&writefds,
1168 i=select(width,(void *)&readfds,(void *)&writefds,
1173 BIO_printf(bio_err,"bad select %d\n",
1174 get_last_socket_error());
1180 if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
1182 BIO_printf(bio_err,"TIMEOUT occured\n");
1185 if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds))
1187 k=SSL_write(con,&(cbuf[cbuf_off]),
1188 (unsigned int)cbuf_len);
1189 switch (SSL_get_error(con,k))
1191 case SSL_ERROR_NONE:
1194 if (k <= 0) goto end;
1195 /* we have done a write(con,NULL,0); */
1201 else /* if (cbuf_len > 0) */
1207 case SSL_ERROR_WANT_WRITE:
1208 BIO_printf(bio_c_out,"write W BLOCK\n");
1212 case SSL_ERROR_WANT_READ:
1213 BIO_printf(bio_c_out,"write R BLOCK\n");
1218 case SSL_ERROR_WANT_X509_LOOKUP:
1219 BIO_printf(bio_c_out,"write X BLOCK\n");
1221 case SSL_ERROR_ZERO_RETURN:
1224 BIO_printf(bio_c_out,"shutdown\n");
1234 case SSL_ERROR_SYSCALL:
1235 if ((k != 0) || (cbuf_len != 0))
1237 BIO_printf(bio_err,"write:errno=%d\n",
1238 get_last_socket_error());
1248 ERR_print_errors(bio_err);
1252 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
1253 /* Assume Windows/DOS can always write */
1254 else if (!ssl_pending && write_tty)
1256 else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds))
1259 #ifdef CHARSET_EBCDIC
1260 ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len);
1262 i=write(fileno(stdout),&(sbuf[sbuf_off]),sbuf_len);
1266 BIO_printf(bio_c_out,"DONE\n");
1279 else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds))
1282 { static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } }
1285 k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ );
1287 /* Demo for pending and peek :-) */
1288 k=SSL_read(con,sbuf,16);
1290 printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240));
1294 switch (SSL_get_error(con,k))
1296 case SSL_ERROR_NONE:
1305 case SSL_ERROR_WANT_WRITE:
1306 BIO_printf(bio_c_out,"read W BLOCK\n");
1310 case SSL_ERROR_WANT_READ:
1311 BIO_printf(bio_c_out,"read R BLOCK\n");
1314 if ((read_tty == 0) && (write_ssl == 0))
1317 case SSL_ERROR_WANT_X509_LOOKUP:
1318 BIO_printf(bio_c_out,"read X BLOCK\n");
1320 case SSL_ERROR_SYSCALL:
1321 BIO_printf(bio_err,"read:errno=%d\n",get_last_socket_error());
1323 case SSL_ERROR_ZERO_RETURN:
1324 BIO_printf(bio_c_out,"closed\n");
1327 ERR_print_errors(bio_err);
1333 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1334 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1337 else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
1339 #elif defined (OPENSSL_SYS_NETWARE)
1342 else if (FD_ISSET(fileno(stdin),&readfds))
1349 i=read(fileno(stdin),cbuf,BUFSIZZ/2);
1351 /* both loops are skipped when i <= 0 */
1352 for (j = 0; j < i; j++)
1353 if (cbuf[j] == '\n')
1355 for (j = i-1; j >= 0; j--)
1357 cbuf[j+lf_num] = cbuf[j];
1358 if (cbuf[j] == '\n')
1362 cbuf[j+lf_num] = '\r';
1365 assert(lf_num == 0);
1368 i=read(fileno(stdin),cbuf,BUFSIZZ);
1370 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q')))
1372 BIO_printf(bio_err,"DONE\n");
1376 if ((!c_ign_eof) && (cbuf[0] == 'R'))
1378 BIO_printf(bio_err,"RENEGOTIATING\n");
1379 SSL_renegotiate(con);
1386 #ifdef CHARSET_EBCDIC
1387 ebcdic2ascii(cbuf, cbuf, i);
1397 SHUTDOWN(SSL_get_fd(con));
1400 if(prexit) print_stuff(bio_c_out,con,1);
1401 if (con != NULL) SSL_free(con);
1402 if (con2 != NULL) SSL_free(con2);
1403 if (ctx != NULL) SSL_CTX_free(ctx);
1410 if (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); }
1411 if (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); }
1412 if (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); }
1413 if (bio_c_out != NULL)
1415 BIO_free(bio_c_out);
1423 static void print_stuff(BIO *bio, SSL *s, int full)
1427 static const char *space=" ";
1430 STACK_OF(X509_NAME) *sk2;
1434 #ifndef OPENSSL_NO_COMP
1435 const COMP_METHOD *comp, *expansion;
1440 int got_a_chain = 0;
1442 sk=SSL_get_peer_cert_chain(s);
1445 got_a_chain = 1; /* we don't have it for SSL2 (yet) */
1447 BIO_printf(bio,"---\nCertificate chain\n");
1448 for (i=0; i<sk_X509_num(sk); i++)
1450 X509_NAME_oneline(X509_get_subject_name(
1451 sk_X509_value(sk,i)),buf,sizeof buf);
1452 BIO_printf(bio,"%2d s:%s\n",i,buf);
1453 X509_NAME_oneline(X509_get_issuer_name(
1454 sk_X509_value(sk,i)),buf,sizeof buf);
1455 BIO_printf(bio," i:%s\n",buf);
1457 PEM_write_bio_X509(bio,sk_X509_value(sk,i));
1461 BIO_printf(bio,"---\n");
1462 peer=SSL_get_peer_certificate(s);
1465 BIO_printf(bio,"Server certificate\n");
1466 if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */
1467 PEM_write_bio_X509(bio,peer);
1468 X509_NAME_oneline(X509_get_subject_name(peer),
1470 BIO_printf(bio,"subject=%s\n",buf);
1471 X509_NAME_oneline(X509_get_issuer_name(peer),
1473 BIO_printf(bio,"issuer=%s\n",buf);
1476 BIO_printf(bio,"no peer certificate available\n");
1478 sk2=SSL_get_client_CA_list(s);
1479 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0))
1481 BIO_printf(bio,"---\nAcceptable client certificate CA names\n");
1482 for (i=0; i<sk_X509_NAME_num(sk2); i++)
1484 xn=sk_X509_NAME_value(sk2,i);
1485 X509_NAME_oneline(xn,buf,sizeof(buf));
1486 BIO_write(bio,buf,strlen(buf));
1487 BIO_write(bio,"\n",1);
1492 BIO_printf(bio,"---\nNo client certificate CA names sent\n");
1494 p=SSL_get_shared_ciphers(s,buf,sizeof buf);
1497 /* This works only for SSL 2. In later protocol
1498 * versions, the client does not know what other
1499 * ciphers (in addition to the one to be used
1500 * in the current connection) the server supports. */
1502 BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n");
1508 BIO_write(bio,space,15-j%25);
1511 BIO_write(bio,((i%3)?" ":"\n"),1);
1520 BIO_write(bio,"\n",1);
1523 BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n",
1524 BIO_number_read(SSL_get_rbio(s)),
1525 BIO_number_written(SSL_get_wbio(s)));
1527 BIO_printf(bio,((s->hit)?"---\nReused, ":"---\nNew, "));
1528 c=SSL_get_current_cipher(s);
1529 BIO_printf(bio,"%s, Cipher is %s\n",
1530 SSL_CIPHER_get_version(c),
1531 SSL_CIPHER_get_name(c));
1534 pktmp = X509_get_pubkey(peer);
1535 BIO_printf(bio,"Server public key is %d bit\n",
1536 EVP_PKEY_bits(pktmp));
1537 EVP_PKEY_free(pktmp);
1539 BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
1540 SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
1541 #ifndef OPENSSL_NO_COMP
1542 comp=SSL_get_current_compression(s);
1543 expansion=SSL_get_current_expansion(s);
1544 BIO_printf(bio,"Compression: %s\n",
1545 comp ? SSL_COMP_get_name(comp) : "NONE");
1546 BIO_printf(bio,"Expansion: %s\n",
1547 expansion ? SSL_COMP_get_name(expansion) : "NONE");
1549 SSL_SESSION_print(bio,SSL_get_session(s));
1550 BIO_printf(bio,"---\n");
1553 /* flush, or debugging output gets mixed with http response */
1554 (void)BIO_flush(bio);
1557 #ifndef OPENSSL_NO_TLSEXT
1559 static int ocsp_resp_cb(SSL *s, void *arg)
1561 const unsigned char *p;
1564 len = SSL_get_tlsext_status_ocsp_resp(s, &p);
1565 BIO_puts(arg, "OCSP response: ");
1568 BIO_puts(arg, "no response sent\n");
1571 rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
1574 BIO_puts(arg, "response parse error\n");
1575 BIO_dump_indent(arg, (char *)p, len, 4);
1578 BIO_puts(arg, "\n======================================\n");
1579 OCSP_RESPONSE_print(arg, rsp, 0);
1580 BIO_puts(arg, "======================================\n");
1581 OCSP_RESPONSE_free(rsp);
1584 #endif /* ndef OPENSSL_NO_TLSEXT */