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 static int ocsp_resp_cb(SSL *s, void *arg);
185 static BIO *bio_c_out=NULL;
186 static int c_quiet=0;
187 static int c_ign_eof=0;
189 static void sc_usage(void)
191 BIO_printf(bio_err,"usage: s_client args\n");
192 BIO_printf(bio_err,"\n");
193 BIO_printf(bio_err," -host host - use -connect instead\n");
194 BIO_printf(bio_err," -port port - use -connect instead\n");
195 BIO_printf(bio_err," -connect host:port - who to connect to (default is %s:%s)\n",SSL_HOST_NAME,PORT_STR);
197 BIO_printf(bio_err," -verify depth - turn on peer certificate verification\n");
198 BIO_printf(bio_err," -cert arg - certificate file to use, PEM format assumed\n");
199 BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
200 BIO_printf(bio_err," -key arg - Private key file to use, in cert file if\n");
201 BIO_printf(bio_err," not specified but cert file is.\n");
202 BIO_printf(bio_err," -keyform arg - key format (PEM or DER) PEM default\n");
203 BIO_printf(bio_err," -pass arg - private key file pass phrase source\n");
204 BIO_printf(bio_err," -CApath arg - PEM format directory of CA's\n");
205 BIO_printf(bio_err," -CAfile arg - PEM format file of CA's\n");
206 BIO_printf(bio_err," -reconnect - Drop and re-make the connection with the same Session-ID\n");
207 BIO_printf(bio_err," -pause - sleep(1) after each read(2) and write(2) system call\n");
208 BIO_printf(bio_err," -showcerts - show all certificates in the chain\n");
209 BIO_printf(bio_err," -debug - extra output\n");
211 BIO_printf(bio_err," -wdebug - WATT-32 tcp debugging\n");
213 BIO_printf(bio_err," -msg - Show protocol messages\n");
214 BIO_printf(bio_err," -nbio_test - more ssl protocol testing\n");
215 BIO_printf(bio_err," -state - print the 'ssl' states\n");
217 BIO_printf(bio_err," -nbio - Run with non-blocking IO\n");
219 BIO_printf(bio_err," -crlf - convert LF from terminal into CRLF\n");
220 BIO_printf(bio_err," -quiet - no s_client output\n");
221 BIO_printf(bio_err," -ign_eof - ignore input eof (default when -quiet)\n");
222 BIO_printf(bio_err," -ssl2 - just use SSLv2\n");
223 BIO_printf(bio_err," -ssl3 - just use SSLv3\n");
224 BIO_printf(bio_err," -tls1 - just use TLSv1\n");
225 BIO_printf(bio_err," -dtls1 - just use DTLSv1\n");
226 BIO_printf(bio_err," -mtu - set the MTU\n");
227 BIO_printf(bio_err," -no_tls1/-no_ssl3/-no_ssl2 - turn off that protocol\n");
228 BIO_printf(bio_err," -bugs - Switch on all SSL implementation bug workarounds\n");
229 BIO_printf(bio_err," -serverpref - Use server's cipher preferences (only SSLv2)\n");
230 BIO_printf(bio_err," -cipher - preferred cipher to use, use the 'openssl ciphers'\n");
231 BIO_printf(bio_err," command to see what is available\n");
232 BIO_printf(bio_err," -starttls prot - use the STARTTLS command before starting TLS\n");
233 BIO_printf(bio_err," for those protocols that support it, where\n");
234 BIO_printf(bio_err," 'prot' defines which one to assume. Currently,\n");
235 BIO_printf(bio_err," only \"smtp\", \"pop3\", \"imap\", and \"ftp\" are supported.\n");
236 #ifndef OPENSSL_NO_ENGINE
237 BIO_printf(bio_err," -engine id - Initialise and use the specified engine\n");
239 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
240 BIO_printf(bio_err," -sess_out arg - file to write SSL session to\n");
241 BIO_printf(bio_err," -sess_in arg - file to read SSL session from\n");
242 #ifndef OPENSSL_NO_TLSEXT
243 BIO_printf(bio_err," -servername host - Set TLS extension servername in ClientHello\n");
244 BIO_printf(bio_err," -tlsextdebug - hex dump of all TLS extensions received\n");
245 BIO_printf(bio_err," -status - request certificate status from server\n");
246 BIO_printf(bio_err," -no_ticket - disable use of RFC4507bis session tickets\n");
250 #ifndef OPENSSL_NO_TLSEXT
252 /* This is a context that we pass to callbacks */
253 typedef struct tlsextctx_st {
259 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
261 tlsextctx * p = (tlsextctx *) arg;
262 const char * hn= SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
263 if (SSL_get_servername_type(s) != -1)
264 p->ack = !SSL_session_reused(s) && hn != NULL;
266 BIO_printf(bio_err,"Can't use SSL_get_servername\n");
268 return SSL_TLSEXT_ERR_OK;
280 int MAIN(int, char **);
282 int MAIN(int argc, char **argv)
285 SSL *con=NULL,*con2=NULL;
286 X509_STORE *store = NULL;
287 int s,k,width,state=0;
288 char *cbuf=NULL,*sbuf=NULL,*mbuf=NULL;
289 int cbuf_len,cbuf_off;
290 int sbuf_len,sbuf_off;
291 fd_set readfds,writefds;
294 char *host=SSL_HOST_NAME;
295 char *cert_file=NULL,*key_file=NULL;
296 int cert_format = FORMAT_PEM, key_format = FORMAT_PEM;
297 char *passarg = NULL, *pass = NULL;
299 EVP_PKEY *key = NULL;
300 char *CApath=NULL,*CAfile=NULL,*cipher=NULL;
301 int reconnect=0,badop=0,verify=SSL_VERIFY_NONE,bugs=0;
303 int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending;
305 int ret=1,in_init=1,i,nbio_test=0;
306 int starttls_proto = PROTO_OFF;
307 int prexit = 0, vflags = 0;
308 SSL_METHOD *meth=NULL;
312 int sock_type=SOCK_STREAM;
316 #ifndef OPENSSL_NO_ENGINE
317 char *engine_id=NULL;
320 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
324 #ifndef OPENSSL_NO_TLSEXT
325 char *servername = NULL;
326 tlsextctx tlsextcbp =
329 char *sess_in = NULL;
330 char *sess_out = NULL;
331 struct sockaddr peer;
332 int peerlen = sizeof(peer);
333 int enable_timeouts = 0 ;
336 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
337 meth=SSLv23_client_method();
338 #elif !defined(OPENSSL_NO_SSL3)
339 meth=SSLv3_client_method();
340 #elif !defined(OPENSSL_NO_SSL2)
341 meth=SSLv2_client_method();
353 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
355 if (!load_config(bio_err, NULL))
358 if ( ((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
359 ((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
360 ((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL))
362 BIO_printf(bio_err,"out of memory\n");
367 verify_error=X509_V_OK;
376 if (strcmp(*argv,"-host") == 0)
378 if (--argc < 1) goto bad;
381 else if (strcmp(*argv,"-port") == 0)
383 if (--argc < 1) goto bad;
384 port=atoi(*(++argv));
385 if (port == 0) goto bad;
387 else if (strcmp(*argv,"-connect") == 0)
389 if (--argc < 1) goto bad;
390 if (!extract_host_port(*(++argv),&host,NULL,&port))
393 else if (strcmp(*argv,"-verify") == 0)
395 verify=SSL_VERIFY_PEER;
396 if (--argc < 1) goto bad;
397 verify_depth=atoi(*(++argv));
398 BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
400 else if (strcmp(*argv,"-cert") == 0)
402 if (--argc < 1) goto bad;
403 cert_file= *(++argv);
405 else if (strcmp(*argv,"-sess_out") == 0)
407 if (--argc < 1) goto bad;
408 sess_out = *(++argv);
410 else if (strcmp(*argv,"-sess_in") == 0)
412 if (--argc < 1) goto bad;
415 else if (strcmp(*argv,"-certform") == 0)
417 if (--argc < 1) goto bad;
418 cert_format = str2fmt(*(++argv));
420 else if (strcmp(*argv,"-crl_check") == 0)
421 vflags |= X509_V_FLAG_CRL_CHECK;
422 else if (strcmp(*argv,"-crl_check_all") == 0)
423 vflags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;
424 else if (strcmp(*argv,"-prexit") == 0)
426 else if (strcmp(*argv,"-crlf") == 0)
428 else if (strcmp(*argv,"-quiet") == 0)
433 else if (strcmp(*argv,"-ign_eof") == 0)
435 else if (strcmp(*argv,"-pause") == 0)
437 else if (strcmp(*argv,"-debug") == 0)
439 #ifndef OPENSSL_NO_TLSEXT
440 else if (strcmp(*argv,"-tlsextdebug") == 0)
442 else if (strcmp(*argv,"-status") == 0)
446 else if (strcmp(*argv,"-wdebug") == 0)
449 else if (strcmp(*argv,"-msg") == 0)
451 else if (strcmp(*argv,"-showcerts") == 0)
453 else if (strcmp(*argv,"-nbio_test") == 0)
455 else if (strcmp(*argv,"-state") == 0)
457 #ifndef OPENSSL_NO_SSL2
458 else if (strcmp(*argv,"-ssl2") == 0)
459 meth=SSLv2_client_method();
461 #ifndef OPENSSL_NO_SSL3
462 else if (strcmp(*argv,"-ssl3") == 0)
463 meth=SSLv3_client_method();
465 #ifndef OPENSSL_NO_TLS1
466 else if (strcmp(*argv,"-tls1") == 0)
467 meth=TLSv1_client_method();
469 #ifndef OPENSSL_NO_DTLS1
470 else if (strcmp(*argv,"-dtls1") == 0)
472 meth=DTLSv1_client_method();
473 sock_type=SOCK_DGRAM;
475 else if (strcmp(*argv,"-timeout") == 0)
477 else if (strcmp(*argv,"-mtu") == 0)
479 if (--argc < 1) goto bad;
480 mtu = atol(*(++argv));
483 else if (strcmp(*argv,"-bugs") == 0)
485 else if (strcmp(*argv,"-keyform") == 0)
487 if (--argc < 1) goto bad;
488 key_format = str2fmt(*(++argv));
490 else if (strcmp(*argv,"-pass") == 0)
492 if (--argc < 1) goto bad;
495 else if (strcmp(*argv,"-key") == 0)
497 if (--argc < 1) goto bad;
500 else if (strcmp(*argv,"-reconnect") == 0)
504 else if (strcmp(*argv,"-CApath") == 0)
506 if (--argc < 1) goto bad;
509 else if (strcmp(*argv,"-CAfile") == 0)
511 if (--argc < 1) goto bad;
514 else if (strcmp(*argv,"-no_tls1") == 0)
515 off|=SSL_OP_NO_TLSv1;
516 else if (strcmp(*argv,"-no_ssl3") == 0)
517 off|=SSL_OP_NO_SSLv3;
518 else if (strcmp(*argv,"-no_ssl2") == 0)
519 off|=SSL_OP_NO_SSLv2;
520 #ifndef OPENSSL_NO_TLSEXT
521 else if (strcmp(*argv,"-no_ticket") == 0)
522 { off|=SSL_OP_NO_TICKET; }
524 else if (strcmp(*argv,"-serverpref") == 0)
525 off|=SSL_OP_CIPHER_SERVER_PREFERENCE;
526 else if (strcmp(*argv,"-cipher") == 0)
528 if (--argc < 1) goto bad;
532 else if (strcmp(*argv,"-nbio") == 0)
535 else if (strcmp(*argv,"-starttls") == 0)
537 if (--argc < 1) goto bad;
539 if (strcmp(*argv,"smtp") == 0)
540 starttls_proto = PROTO_SMTP;
541 else if (strcmp(*argv,"pop3") == 0)
542 starttls_proto = PROTO_POP3;
543 else if (strcmp(*argv,"imap") == 0)
544 starttls_proto = PROTO_IMAP;
545 else if (strcmp(*argv,"ftp") == 0)
546 starttls_proto = PROTO_FTP;
550 #ifndef OPENSSL_NO_ENGINE
551 else if (strcmp(*argv,"-engine") == 0)
553 if (--argc < 1) goto bad;
554 engine_id = *(++argv);
557 else if (strcmp(*argv,"-rand") == 0)
559 if (--argc < 1) goto bad;
562 #ifndef OPENSSL_NO_TLSEXT
563 else if (strcmp(*argv,"-servername") == 0)
565 if (--argc < 1) goto bad;
566 servername= *(++argv);
567 /* meth=TLSv1_client_method(); */
572 BIO_printf(bio_err,"unknown option %s\n",*argv);
586 OpenSSL_add_ssl_algorithms();
587 SSL_load_error_strings();
589 #ifndef OPENSSL_NO_ENGINE
590 e = setup_engine(bio_err, engine_id, 1);
592 if (!app_passwd(bio_err, passarg, NULL, &pass, NULL))
594 BIO_printf(bio_err, "Error getting password\n");
598 if (key_file == NULL)
599 key_file = cert_file;
606 key = load_key(bio_err, key_file, key_format, 0, pass, e,
607 "client certificate private key file");
610 ERR_print_errors(bio_err);
619 cert = load_cert(bio_err,cert_file,cert_format,
620 NULL, e, "client certificate file");
624 ERR_print_errors(bio_err);
629 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
632 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
635 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
636 app_RAND_load_files(inrand));
638 if (bio_c_out == NULL)
640 if (c_quiet && !c_debug && !c_msg)
642 bio_c_out=BIO_new(BIO_s_null());
646 if (bio_c_out == NULL)
647 bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE);
651 ctx=SSL_CTX_new(meth);
654 ERR_print_errors(bio_err);
659 SSL_CTX_set_options(ctx,SSL_OP_ALL|off);
661 SSL_CTX_set_options(ctx,off);
662 /* DTLS: partial reads end up discarding unread UDP bytes :-(
663 * Setting read ahead solves this problem.
665 if (sock_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
667 if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
669 if(!SSL_CTX_set_cipher_list(ctx,cipher)) {
670 BIO_printf(bio_err,"error setting cipher list\n");
671 ERR_print_errors(bio_err);
676 SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER"));
679 SSL_CTX_set_verify(ctx,verify,verify_callback);
680 if (!set_cert_key_stuff(ctx,cert,key))
683 if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
684 (!SSL_CTX_set_default_verify_paths(ctx)))
686 /* BIO_printf(bio_err,"error setting default verify locations\n"); */
687 ERR_print_errors(bio_err);
691 store = SSL_CTX_get_cert_store(ctx);
692 X509_STORE_set_flags(store, vflags);
693 #ifndef OPENSSL_NO_TLSEXT
694 if (servername != NULL)
696 tlsextcbp.biodebug = bio_err;
697 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
698 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
706 BIO *stmp = BIO_new_file(sess_in, "r");
709 BIO_printf(bio_err, "Can't open session file %s\n",
711 ERR_print_errors(bio_err);
714 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
718 BIO_printf(bio_err, "Can't open session file %s\n",
720 ERR_print_errors(bio_err);
723 SSL_set_session(con, sess);
724 SSL_SESSION_free(sess);
726 #ifndef OPENSSL_NO_TLSEXT
727 if (servername != NULL)
729 if (!SSL_set_tlsext_host_name(con,servername))
731 BIO_printf(bio_err,"Unable to set TLS servername extension.\n");
732 ERR_print_errors(bio_err);
738 #ifndef OPENSSL_NO_KRB5
739 if (con && (con->kssl_ctx = kssl_ctx_new()) != NULL)
741 kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVER, host);
743 #endif /* OPENSSL_NO_KRB5 */
744 /* SSL_set_cipher_list(con,"RC4-MD5"); */
748 if (init_client(&s,host,port,sock_type) == 0)
750 BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error());
754 BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s);
760 BIO_printf(bio_c_out,"turning on non blocking io\n");
761 if (BIO_socket_ioctl(s,FIONBIO,&l) < 0)
763 ERR_print_errors(bio_err);
768 if (c_Pause & 0x01) con->debug=1;
770 if ( SSL_version(con) == DTLS1_VERSION)
772 struct timeval timeout;
774 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
775 if (getsockname(s, &peer, (void *)&peerlen) < 0)
777 BIO_printf(bio_err, "getsockname:errno=%d\n",
778 get_last_socket_error());
783 (void)BIO_ctrl_set_connected(sbio, 1, &peer);
785 if ( enable_timeouts)
788 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
789 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
792 timeout.tv_usec = DGRAM_SND_TIMEOUT;
793 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
798 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
799 SSL_set_mtu(con, mtu);
802 /* want to do MTU discovery */
803 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
806 sbio=BIO_new_socket(s,BIO_NOCLOSE);
814 test=BIO_new(BIO_f_nbio_test());
815 sbio=BIO_push(test,sbio);
821 BIO_set_callback(sbio,bio_dump_callback);
822 BIO_set_callback_arg(sbio,(char *)bio_c_out);
826 SSL_set_msg_callback(con, msg_cb);
827 SSL_set_msg_callback_arg(con, bio_c_out);
829 #ifndef OPENSSL_NO_TLSEXT
832 SSL_set_tlsext_debug_callback(con, tlsext_cb);
833 SSL_set_tlsext_debug_arg(con, bio_c_out);
837 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
838 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
839 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
842 STACK_OF(OCSP_RESPID) *ids = sk_OCSP_RESPID_new_null();
843 OCSP_RESPID *id = OCSP_RESPID_new();
844 id->value.byKey = ASN1_OCTET_STRING_new();
845 id->type = V_OCSP_RESPID_KEY;
846 ASN1_STRING_set(id->value.byKey, "Hello World", -1);
847 sk_OCSP_RESPID_push(ids, id);
848 SSL_set_tlsext_status_ids(con, ids);
854 SSL_set_bio(con,sbio,sbio);
855 SSL_set_connect_state(con);
857 /* ok, lets connect */
858 width=SSL_get_fd(con)+1;
871 /* This is an ugly hack that does a lot of assumptions */
872 /* We do have to handle multi-line responses which may come
873 in a single packet or not. We therefore have to use
874 BIO_gets() which does need a buffering BIO. So during
875 the initial chitchat we do push a buffering BIO into the
876 chain that is removed again later on to not disturb the
877 rest of the s_client operation. */
878 if (starttls_proto == PROTO_SMTP)
881 BIO *fbio = BIO_new(BIO_f_buffer());
882 BIO_push(fbio, sbio);
883 /* wait for multi-line response to end from SMTP */
886 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
888 while (mbuf_len>3 && mbuf[3]=='-');
889 /* STARTTLS command requires EHLO... */
890 BIO_printf(fbio,"EHLO openssl.client.net\r\n");
891 (void)BIO_flush(fbio);
892 /* wait for multi-line response to end EHLO SMTP response */
895 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
896 if (strstr(mbuf,"STARTTLS"))
899 while (mbuf_len>3 && mbuf[3]=='-');
900 (void)BIO_flush(fbio);
905 "didn't found starttls in server response,"
907 BIO_printf(sbio,"STARTTLS\r\n");
908 BIO_read(sbio,sbuf,BUFSIZZ);
910 else if (starttls_proto == PROTO_POP3)
912 BIO_read(sbio,mbuf,BUFSIZZ);
913 BIO_printf(sbio,"STLS\r\n");
914 BIO_read(sbio,sbuf,BUFSIZZ);
916 else if (starttls_proto == PROTO_IMAP)
919 BIO *fbio = BIO_new(BIO_f_buffer());
920 BIO_push(fbio, sbio);
921 BIO_gets(fbio,mbuf,BUFSIZZ);
922 /* STARTTLS command requires CAPABILITY... */
923 BIO_printf(fbio,". CAPABILITY\r\n");
924 (void)BIO_flush(fbio);
925 /* wait for multi-line CAPABILITY response */
928 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
929 if (strstr(mbuf,"STARTTLS"))
932 while (mbuf_len>3 && mbuf[0]!='.');
933 (void)BIO_flush(fbio);
938 "didn't found STARTTLS in server response,"
940 BIO_printf(sbio,". STARTTLS\r\n");
941 BIO_read(sbio,sbuf,BUFSIZZ);
943 else if (starttls_proto == PROTO_FTP)
945 BIO *fbio = BIO_new(BIO_f_buffer());
946 BIO_push(fbio, sbio);
947 /* wait for multi-line response to end from FTP */
950 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
952 while (mbuf_len>3 && mbuf[3]=='-');
953 (void)BIO_flush(fbio);
956 BIO_printf(sbio,"AUTH TLS\r\n");
957 BIO_read(sbio,sbuf,BUFSIZZ);
965 if (SSL_in_init(con) && !SSL_total_renegotiations(con))
978 BIO *stmp = BIO_new_file(sess_out, "w");
981 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));
985 BIO_printf(bio_err, "Error writing session file %s\n", sess_out);
987 print_stuff(bio_c_out,con,full_log);
988 if (full_log > 0) full_log--;
992 BIO_printf(bio_err,"%s",mbuf);
993 /* We don't need to know any more */
994 starttls_proto = PROTO_OFF;
1000 BIO_printf(bio_c_out,"drop connection and then reconnect\n");
1002 SSL_set_connect_state(con);
1003 SHUTDOWN(SSL_get_fd(con));
1009 ssl_pending = read_ssl && SSL_pending(con);
1013 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE)
1016 if (read_tty) FD_SET(fileno(stdin),&readfds);
1017 if (write_tty) FD_SET(fileno(stdout),&writefds);
1020 FD_SET(SSL_get_fd(con),&readfds);
1022 FD_SET(SSL_get_fd(con),&writefds);
1024 if(!tty_on || !write_tty) {
1026 FD_SET(SSL_get_fd(con),&readfds);
1028 FD_SET(SSL_get_fd(con),&writefds);
1031 /* printf("mode tty(%d %d%d) ssl(%d%d)\n",
1032 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
1034 /* Note: under VMS with SOCKETSHR the second parameter
1035 * is currently of type (int *) whereas under other
1036 * systems it is (void *) if you don't have a cast it
1037 * will choke the compiler: if you do have a cast then
1038 * you can either go for (int *) or (void *).
1040 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1041 /* Under Windows/DOS we make the assumption that we can
1042 * always write to the tty: therefore if we need to
1043 * write to the tty we just fall through. Otherwise
1044 * we timeout the select every second and see if there
1045 * are any keypresses. Note: this is a hack, in a proper
1046 * Windows application we wouldn't do this.
1053 i=select(width,(void *)&readfds,(void *)&writefds,
1055 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1056 if(!i && (!_kbhit() || !read_tty) ) continue;
1058 if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue;
1060 } else i=select(width,(void *)&readfds,(void *)&writefds,
1063 #elif defined(OPENSSL_SYS_NETWARE)
1068 i=select(width,(void *)&readfds,(void *)&writefds,
1070 } else i=select(width,(void *)&readfds,(void *)&writefds,
1074 i=select(width,(void *)&readfds,(void *)&writefds,
1079 BIO_printf(bio_err,"bad select %d\n",
1080 get_last_socket_error());
1086 if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds))
1088 k=SSL_write(con,&(cbuf[cbuf_off]),
1089 (unsigned int)cbuf_len);
1090 switch (SSL_get_error(con,k))
1092 case SSL_ERROR_NONE:
1095 if (k <= 0) goto end;
1096 /* we have done a write(con,NULL,0); */
1102 else /* if (cbuf_len > 0) */
1108 case SSL_ERROR_WANT_WRITE:
1109 BIO_printf(bio_c_out,"write W BLOCK\n");
1113 case SSL_ERROR_WANT_READ:
1114 BIO_printf(bio_c_out,"write R BLOCK\n");
1119 case SSL_ERROR_WANT_X509_LOOKUP:
1120 BIO_printf(bio_c_out,"write X BLOCK\n");
1122 case SSL_ERROR_ZERO_RETURN:
1125 BIO_printf(bio_c_out,"shutdown\n");
1135 case SSL_ERROR_SYSCALL:
1136 if ((k != 0) || (cbuf_len != 0))
1138 BIO_printf(bio_err,"write:errno=%d\n",
1139 get_last_socket_error());
1149 ERR_print_errors(bio_err);
1153 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
1154 /* Assume Windows/DOS can always write */
1155 else if (!ssl_pending && write_tty)
1157 else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds))
1160 #ifdef CHARSET_EBCDIC
1161 ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len);
1163 i=write(fileno(stdout),&(sbuf[sbuf_off]),sbuf_len);
1167 BIO_printf(bio_c_out,"DONE\n");
1180 else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds))
1183 { static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } }
1186 k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ );
1188 /* Demo for pending and peek :-) */
1189 k=SSL_read(con,sbuf,16);
1191 printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240));
1195 switch (SSL_get_error(con,k))
1197 case SSL_ERROR_NONE:
1206 case SSL_ERROR_WANT_WRITE:
1207 BIO_printf(bio_c_out,"read W BLOCK\n");
1211 case SSL_ERROR_WANT_READ:
1212 BIO_printf(bio_c_out,"read R BLOCK\n");
1215 if ((read_tty == 0) && (write_ssl == 0))
1218 case SSL_ERROR_WANT_X509_LOOKUP:
1219 BIO_printf(bio_c_out,"read X BLOCK\n");
1221 case SSL_ERROR_SYSCALL:
1222 BIO_printf(bio_err,"read:errno=%d\n",get_last_socket_error());
1224 case SSL_ERROR_ZERO_RETURN:
1225 BIO_printf(bio_c_out,"closed\n");
1228 ERR_print_errors(bio_err);
1234 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1235 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1238 else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
1240 #elif defined (OPENSSL_SYS_NETWARE)
1243 else if (FD_ISSET(fileno(stdin),&readfds))
1250 i=read(fileno(stdin),cbuf,BUFSIZZ/2);
1252 /* both loops are skipped when i <= 0 */
1253 for (j = 0; j < i; j++)
1254 if (cbuf[j] == '\n')
1256 for (j = i-1; j >= 0; j--)
1258 cbuf[j+lf_num] = cbuf[j];
1259 if (cbuf[j] == '\n')
1263 cbuf[j+lf_num] = '\r';
1266 assert(lf_num == 0);
1269 i=read(fileno(stdin),cbuf,BUFSIZZ);
1271 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q')))
1273 BIO_printf(bio_err,"DONE\n");
1277 if ((!c_ign_eof) && (cbuf[0] == 'R'))
1279 BIO_printf(bio_err,"RENEGOTIATING\n");
1280 SSL_renegotiate(con);
1287 #ifdef CHARSET_EBCDIC
1288 ebcdic2ascii(cbuf, cbuf, i);
1298 SHUTDOWN(SSL_get_fd(con));
1301 if(prexit) print_stuff(bio_c_out,con,1);
1302 if (con != NULL) SSL_free(con);
1303 if (con2 != NULL) SSL_free(con2);
1304 if (ctx != NULL) SSL_CTX_free(ctx);
1311 if (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); }
1312 if (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); }
1313 if (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); }
1314 if (bio_c_out != NULL)
1316 BIO_free(bio_c_out);
1324 static void print_stuff(BIO *bio, SSL *s, int full)
1328 static const char *space=" ";
1331 STACK_OF(X509_NAME) *sk2;
1335 #ifndef OPENSSL_NO_COMP
1336 const COMP_METHOD *comp, *expansion;
1341 int got_a_chain = 0;
1343 sk=SSL_get_peer_cert_chain(s);
1346 got_a_chain = 1; /* we don't have it for SSL2 (yet) */
1348 BIO_printf(bio,"---\nCertificate chain\n");
1349 for (i=0; i<sk_X509_num(sk); i++)
1351 X509_NAME_oneline(X509_get_subject_name(
1352 sk_X509_value(sk,i)),buf,sizeof buf);
1353 BIO_printf(bio,"%2d s:%s\n",i,buf);
1354 X509_NAME_oneline(X509_get_issuer_name(
1355 sk_X509_value(sk,i)),buf,sizeof buf);
1356 BIO_printf(bio," i:%s\n",buf);
1358 PEM_write_bio_X509(bio,sk_X509_value(sk,i));
1362 BIO_printf(bio,"---\n");
1363 peer=SSL_get_peer_certificate(s);
1366 BIO_printf(bio,"Server certificate\n");
1367 if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */
1368 PEM_write_bio_X509(bio,peer);
1369 X509_NAME_oneline(X509_get_subject_name(peer),
1371 BIO_printf(bio,"subject=%s\n",buf);
1372 X509_NAME_oneline(X509_get_issuer_name(peer),
1374 BIO_printf(bio,"issuer=%s\n",buf);
1377 BIO_printf(bio,"no peer certificate available\n");
1379 sk2=SSL_get_client_CA_list(s);
1380 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0))
1382 BIO_printf(bio,"---\nAcceptable client certificate CA names\n");
1383 for (i=0; i<sk_X509_NAME_num(sk2); i++)
1385 xn=sk_X509_NAME_value(sk2,i);
1386 X509_NAME_oneline(xn,buf,sizeof(buf));
1387 BIO_write(bio,buf,strlen(buf));
1388 BIO_write(bio,"\n",1);
1393 BIO_printf(bio,"---\nNo client certificate CA names sent\n");
1395 p=SSL_get_shared_ciphers(s,buf,sizeof buf);
1398 /* This works only for SSL 2. In later protocol
1399 * versions, the client does not know what other
1400 * ciphers (in addition to the one to be used
1401 * in the current connection) the server supports. */
1403 BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n");
1409 BIO_write(bio,space,15-j%25);
1412 BIO_write(bio,((i%3)?" ":"\n"),1);
1421 BIO_write(bio,"\n",1);
1424 BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n",
1425 BIO_number_read(SSL_get_rbio(s)),
1426 BIO_number_written(SSL_get_wbio(s)));
1428 BIO_printf(bio,((s->hit)?"---\nReused, ":"---\nNew, "));
1429 c=SSL_get_current_cipher(s);
1430 BIO_printf(bio,"%s, Cipher is %s\n",
1431 SSL_CIPHER_get_version(c),
1432 SSL_CIPHER_get_name(c));
1435 pktmp = X509_get_pubkey(peer);
1436 BIO_printf(bio,"Server public key is %d bit\n",
1437 EVP_PKEY_bits(pktmp));
1438 EVP_PKEY_free(pktmp);
1440 #ifndef OPENSSL_NO_COMP
1441 comp=SSL_get_current_compression(s);
1442 expansion=SSL_get_current_expansion(s);
1443 BIO_printf(bio,"Compression: %s\n",
1444 comp ? SSL_COMP_get_name(comp) : "NONE");
1445 BIO_printf(bio,"Expansion: %s\n",
1446 expansion ? SSL_COMP_get_name(expansion) : "NONE");
1448 SSL_SESSION_print(bio,SSL_get_session(s));
1449 BIO_printf(bio,"---\n");
1452 /* flush, or debugging output gets mixed with http response */
1453 (void)BIO_flush(bio);
1456 static int ocsp_resp_cb(SSL *s, void *arg)
1458 const unsigned char *p;
1461 len = SSL_get_tlsext_status_ocsp_resp(s, &p);
1462 BIO_puts(arg, "OCSP response: ");
1465 BIO_puts(arg, "no response sent\n");
1468 rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
1471 BIO_puts(arg, "response parse error\n");
1472 BIO_dump_indent(arg, (char *)p, len, 4);
1475 BIO_puts(arg, "\n======================================\n");
1476 OCSP_RESPONSE_print(arg, rsp, 0);
1477 BIO_puts(arg, "======================================\n");
1478 OCSP_RESPONSE_free(rsp);