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," -ssl2 - just use SSLv2\n");
225 BIO_printf(bio_err," -ssl3 - just use SSLv3\n");
226 BIO_printf(bio_err," -tls1 - just use TLSv1\n");
227 BIO_printf(bio_err," -dtls1 - just use DTLSv1\n");
228 BIO_printf(bio_err," -mtu - set the MTU\n");
229 BIO_printf(bio_err," -no_tls1/-no_ssl3/-no_ssl2 - turn off that protocol\n");
230 BIO_printf(bio_err," -bugs - Switch on all SSL implementation bug workarounds\n");
231 BIO_printf(bio_err," -serverpref - Use server's cipher preferences (only SSLv2)\n");
232 BIO_printf(bio_err," -cipher - preferred cipher to use, use the 'openssl ciphers'\n");
233 BIO_printf(bio_err," command to see what is available\n");
234 BIO_printf(bio_err," -starttls prot - use the STARTTLS command before starting TLS\n");
235 BIO_printf(bio_err," for those protocols that support it, where\n");
236 BIO_printf(bio_err," 'prot' defines which one to assume. Currently,\n");
237 BIO_printf(bio_err," only \"smtp\", \"pop3\", \"imap\", and \"ftp\" are supported.\n");
238 #ifndef OPENSSL_NO_ENGINE
239 BIO_printf(bio_err," -engine id - Initialise and use the specified engine\n");
241 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
242 BIO_printf(bio_err," -sess_out arg - file to write SSL session to\n");
243 BIO_printf(bio_err," -sess_in arg - file to read SSL session from\n");
244 #ifndef OPENSSL_NO_TLSEXT
245 BIO_printf(bio_err," -servername host - Set TLS extension servername in ClientHello\n");
246 BIO_printf(bio_err," -tlsextdebug - hex dump of all TLS extensions received\n");
247 BIO_printf(bio_err," -status - request certificate status from server\n");
248 BIO_printf(bio_err," -no_ticket - disable use of RFC4507bis session tickets\n");
252 #ifndef OPENSSL_NO_TLSEXT
254 /* This is a context that we pass to callbacks */
255 typedef struct tlsextctx_st {
261 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
263 tlsextctx * p = (tlsextctx *) arg;
264 const char * hn= SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
265 if (SSL_get_servername_type(s) != -1)
266 p->ack = !SSL_session_reused(s) && hn != NULL;
268 BIO_printf(bio_err,"Can't use SSL_get_servername\n");
270 return SSL_TLSEXT_ERR_OK;
282 int MAIN(int, char **);
284 int MAIN(int argc, char **argv)
287 SSL *con=NULL,*con2=NULL;
288 X509_STORE *store = NULL;
289 int s,k,width,state=0;
290 char *cbuf=NULL,*sbuf=NULL,*mbuf=NULL;
291 int cbuf_len,cbuf_off;
292 int sbuf_len,sbuf_off;
293 fd_set readfds,writefds;
296 char *host=SSL_HOST_NAME;
297 char *cert_file=NULL,*key_file=NULL;
298 int cert_format = FORMAT_PEM, key_format = FORMAT_PEM;
299 char *passarg = NULL, *pass = NULL;
301 EVP_PKEY *key = NULL;
302 char *CApath=NULL,*CAfile=NULL,*cipher=NULL;
303 int reconnect=0,badop=0,verify=SSL_VERIFY_NONE,bugs=0;
305 int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending;
307 int ret=1,in_init=1,i,nbio_test=0;
308 int starttls_proto = PROTO_OFF;
309 int prexit = 0, vflags = 0;
310 SSL_METHOD *meth=NULL;
314 int sock_type=SOCK_STREAM;
318 #ifndef OPENSSL_NO_ENGINE
319 char *engine_id=NULL;
322 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
326 #ifndef OPENSSL_NO_TLSEXT
327 char *servername = NULL;
328 tlsextctx tlsextcbp =
331 char *sess_in = NULL;
332 char *sess_out = NULL;
333 struct sockaddr peer;
334 int peerlen = sizeof(peer);
335 int enable_timeouts = 0 ;
338 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
339 meth=SSLv23_client_method();
340 #elif !defined(OPENSSL_NO_SSL3)
341 meth=SSLv3_client_method();
342 #elif !defined(OPENSSL_NO_SSL2)
343 meth=SSLv2_client_method();
355 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
357 if (!load_config(bio_err, NULL))
360 if ( ((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
361 ((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
362 ((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL))
364 BIO_printf(bio_err,"out of memory\n");
369 verify_error=X509_V_OK;
378 if (strcmp(*argv,"-host") == 0)
380 if (--argc < 1) goto bad;
383 else if (strcmp(*argv,"-port") == 0)
385 if (--argc < 1) goto bad;
386 port=atoi(*(++argv));
387 if (port == 0) goto bad;
389 else if (strcmp(*argv,"-connect") == 0)
391 if (--argc < 1) goto bad;
392 if (!extract_host_port(*(++argv),&host,NULL,&port))
395 else if (strcmp(*argv,"-verify") == 0)
397 verify=SSL_VERIFY_PEER;
398 if (--argc < 1) goto bad;
399 verify_depth=atoi(*(++argv));
400 BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
402 else if (strcmp(*argv,"-cert") == 0)
404 if (--argc < 1) goto bad;
405 cert_file= *(++argv);
407 else if (strcmp(*argv,"-sess_out") == 0)
409 if (--argc < 1) goto bad;
410 sess_out = *(++argv);
412 else if (strcmp(*argv,"-sess_in") == 0)
414 if (--argc < 1) goto bad;
417 else if (strcmp(*argv,"-certform") == 0)
419 if (--argc < 1) goto bad;
420 cert_format = str2fmt(*(++argv));
422 else if (strcmp(*argv,"-crl_check") == 0)
423 vflags |= X509_V_FLAG_CRL_CHECK;
424 else if (strcmp(*argv,"-crl_check_all") == 0)
425 vflags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;
426 else if (strcmp(*argv,"-prexit") == 0)
428 else if (strcmp(*argv,"-crlf") == 0)
430 else if (strcmp(*argv,"-quiet") == 0)
435 else if (strcmp(*argv,"-ign_eof") == 0)
437 else if (strcmp(*argv,"-pause") == 0)
439 else if (strcmp(*argv,"-debug") == 0)
441 #ifndef OPENSSL_NO_TLSEXT
442 else if (strcmp(*argv,"-tlsextdebug") == 0)
444 else if (strcmp(*argv,"-status") == 0)
448 else if (strcmp(*argv,"-wdebug") == 0)
451 else if (strcmp(*argv,"-msg") == 0)
453 else if (strcmp(*argv,"-showcerts") == 0)
455 else if (strcmp(*argv,"-nbio_test") == 0)
457 else if (strcmp(*argv,"-state") == 0)
459 #ifndef OPENSSL_NO_SSL2
460 else if (strcmp(*argv,"-ssl2") == 0)
461 meth=SSLv2_client_method();
463 #ifndef OPENSSL_NO_SSL3
464 else if (strcmp(*argv,"-ssl3") == 0)
465 meth=SSLv3_client_method();
467 #ifndef OPENSSL_NO_TLS1
468 else if (strcmp(*argv,"-tls1") == 0)
469 meth=TLSv1_client_method();
471 #ifndef OPENSSL_NO_DTLS1
472 else if (strcmp(*argv,"-dtls1") == 0)
474 meth=DTLSv1_client_method();
475 sock_type=SOCK_DGRAM;
477 else if (strcmp(*argv,"-timeout") == 0)
479 else if (strcmp(*argv,"-mtu") == 0)
481 if (--argc < 1) goto bad;
482 mtu = atol(*(++argv));
485 else if (strcmp(*argv,"-bugs") == 0)
487 else if (strcmp(*argv,"-keyform") == 0)
489 if (--argc < 1) goto bad;
490 key_format = str2fmt(*(++argv));
492 else if (strcmp(*argv,"-pass") == 0)
494 if (--argc < 1) goto bad;
497 else if (strcmp(*argv,"-key") == 0)
499 if (--argc < 1) goto bad;
502 else if (strcmp(*argv,"-reconnect") == 0)
506 else if (strcmp(*argv,"-CApath") == 0)
508 if (--argc < 1) goto bad;
511 else if (strcmp(*argv,"-CAfile") == 0)
513 if (--argc < 1) goto bad;
516 else if (strcmp(*argv,"-no_tls1") == 0)
517 off|=SSL_OP_NO_TLSv1;
518 else if (strcmp(*argv,"-no_ssl3") == 0)
519 off|=SSL_OP_NO_SSLv3;
520 else if (strcmp(*argv,"-no_ssl2") == 0)
521 off|=SSL_OP_NO_SSLv2;
522 #ifndef OPENSSL_NO_TLSEXT
523 else if (strcmp(*argv,"-no_ticket") == 0)
524 { off|=SSL_OP_NO_TICKET; }
526 else if (strcmp(*argv,"-serverpref") == 0)
527 off|=SSL_OP_CIPHER_SERVER_PREFERENCE;
528 else if (strcmp(*argv,"-cipher") == 0)
530 if (--argc < 1) goto bad;
534 else if (strcmp(*argv,"-nbio") == 0)
537 else if (strcmp(*argv,"-starttls") == 0)
539 if (--argc < 1) goto bad;
541 if (strcmp(*argv,"smtp") == 0)
542 starttls_proto = PROTO_SMTP;
543 else if (strcmp(*argv,"pop3") == 0)
544 starttls_proto = PROTO_POP3;
545 else if (strcmp(*argv,"imap") == 0)
546 starttls_proto = PROTO_IMAP;
547 else if (strcmp(*argv,"ftp") == 0)
548 starttls_proto = PROTO_FTP;
552 #ifndef OPENSSL_NO_ENGINE
553 else if (strcmp(*argv,"-engine") == 0)
555 if (--argc < 1) goto bad;
556 engine_id = *(++argv);
559 else if (strcmp(*argv,"-rand") == 0)
561 if (--argc < 1) goto bad;
564 #ifndef OPENSSL_NO_TLSEXT
565 else if (strcmp(*argv,"-servername") == 0)
567 if (--argc < 1) goto bad;
568 servername= *(++argv);
569 /* meth=TLSv1_client_method(); */
574 BIO_printf(bio_err,"unknown option %s\n",*argv);
588 OpenSSL_add_ssl_algorithms();
589 SSL_load_error_strings();
591 #ifndef OPENSSL_NO_ENGINE
592 e = setup_engine(bio_err, engine_id, 1);
594 if (!app_passwd(bio_err, passarg, NULL, &pass, NULL))
596 BIO_printf(bio_err, "Error getting password\n");
600 if (key_file == NULL)
601 key_file = cert_file;
608 key = load_key(bio_err, key_file, key_format, 0, pass, e,
609 "client certificate private key file");
612 ERR_print_errors(bio_err);
621 cert = load_cert(bio_err,cert_file,cert_format,
622 NULL, e, "client certificate file");
626 ERR_print_errors(bio_err);
631 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
634 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
637 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
638 app_RAND_load_files(inrand));
640 if (bio_c_out == NULL)
642 if (c_quiet && !c_debug && !c_msg)
644 bio_c_out=BIO_new(BIO_s_null());
648 if (bio_c_out == NULL)
649 bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE);
653 ctx=SSL_CTX_new(meth);
656 ERR_print_errors(bio_err);
661 SSL_CTX_set_options(ctx,SSL_OP_ALL|off);
663 SSL_CTX_set_options(ctx,off);
664 /* DTLS: partial reads end up discarding unread UDP bytes :-(
665 * Setting read ahead solves this problem.
667 if (sock_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
669 if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
671 if(!SSL_CTX_set_cipher_list(ctx,cipher)) {
672 BIO_printf(bio_err,"error setting cipher list\n");
673 ERR_print_errors(bio_err);
678 SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER"));
681 SSL_CTX_set_verify(ctx,verify,verify_callback);
682 if (!set_cert_key_stuff(ctx,cert,key))
685 if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
686 (!SSL_CTX_set_default_verify_paths(ctx)))
688 /* BIO_printf(bio_err,"error setting default verify locations\n"); */
689 ERR_print_errors(bio_err);
693 store = SSL_CTX_get_cert_store(ctx);
694 X509_STORE_set_flags(store, vflags);
695 #ifndef OPENSSL_NO_TLSEXT
696 if (servername != NULL)
698 tlsextcbp.biodebug = bio_err;
699 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
700 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
708 BIO *stmp = BIO_new_file(sess_in, "r");
711 BIO_printf(bio_err, "Can't open session file %s\n",
713 ERR_print_errors(bio_err);
716 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
720 BIO_printf(bio_err, "Can't open session file %s\n",
722 ERR_print_errors(bio_err);
725 SSL_set_session(con, sess);
726 SSL_SESSION_free(sess);
728 #ifndef OPENSSL_NO_TLSEXT
729 if (servername != NULL)
731 if (!SSL_set_tlsext_host_name(con,servername))
733 BIO_printf(bio_err,"Unable to set TLS servername extension.\n");
734 ERR_print_errors(bio_err);
740 #ifndef OPENSSL_NO_KRB5
741 if (con && (con->kssl_ctx = kssl_ctx_new()) != NULL)
743 kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVER, host);
745 #endif /* OPENSSL_NO_KRB5 */
746 /* SSL_set_cipher_list(con,"RC4-MD5"); */
750 if (init_client(&s,host,port,sock_type) == 0)
752 BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error());
756 BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s);
762 BIO_printf(bio_c_out,"turning on non blocking io\n");
763 if (BIO_socket_ioctl(s,FIONBIO,&l) < 0)
765 ERR_print_errors(bio_err);
770 if (c_Pause & 0x01) con->debug=1;
772 if ( SSL_version(con) == DTLS1_VERSION)
774 struct timeval timeout;
776 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
777 if (getsockname(s, &peer, (void *)&peerlen) < 0)
779 BIO_printf(bio_err, "getsockname:errno=%d\n",
780 get_last_socket_error());
785 (void)BIO_ctrl_set_connected(sbio, 1, &peer);
787 if ( enable_timeouts)
790 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
791 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
794 timeout.tv_usec = DGRAM_SND_TIMEOUT;
795 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
800 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
801 SSL_set_mtu(con, mtu);
804 /* want to do MTU discovery */
805 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
808 sbio=BIO_new_socket(s,BIO_NOCLOSE);
816 test=BIO_new(BIO_f_nbio_test());
817 sbio=BIO_push(test,sbio);
823 BIO_set_callback(sbio,bio_dump_callback);
824 BIO_set_callback_arg(sbio,(char *)bio_c_out);
828 SSL_set_msg_callback(con, msg_cb);
829 SSL_set_msg_callback_arg(con, bio_c_out);
831 #ifndef OPENSSL_NO_TLSEXT
834 SSL_set_tlsext_debug_callback(con, tlsext_cb);
835 SSL_set_tlsext_debug_arg(con, bio_c_out);
839 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
840 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
841 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
844 STACK_OF(OCSP_RESPID) *ids = sk_OCSP_RESPID_new_null();
845 OCSP_RESPID *id = OCSP_RESPID_new();
846 id->value.byKey = ASN1_OCTET_STRING_new();
847 id->type = V_OCSP_RESPID_KEY;
848 ASN1_STRING_set(id->value.byKey, "Hello World", -1);
849 sk_OCSP_RESPID_push(ids, id);
850 SSL_set_tlsext_status_ids(con, ids);
856 SSL_set_bio(con,sbio,sbio);
857 SSL_set_connect_state(con);
859 /* ok, lets connect */
860 width=SSL_get_fd(con)+1;
873 /* This is an ugly hack that does a lot of assumptions */
874 /* We do have to handle multi-line responses which may come
875 in a single packet or not. We therefore have to use
876 BIO_gets() which does need a buffering BIO. So during
877 the initial chitchat we do push a buffering BIO into the
878 chain that is removed again later on to not disturb the
879 rest of the s_client operation. */
880 if (starttls_proto == PROTO_SMTP)
883 BIO *fbio = BIO_new(BIO_f_buffer());
884 BIO_push(fbio, sbio);
885 /* wait for multi-line response to end from SMTP */
888 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
890 while (mbuf_len>3 && mbuf[3]=='-');
891 /* STARTTLS command requires EHLO... */
892 BIO_printf(fbio,"EHLO openssl.client.net\r\n");
893 (void)BIO_flush(fbio);
894 /* wait for multi-line response to end EHLO SMTP response */
897 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
898 if (strstr(mbuf,"STARTTLS"))
901 while (mbuf_len>3 && mbuf[3]=='-');
902 (void)BIO_flush(fbio);
907 "didn't found starttls in server response,"
909 BIO_printf(sbio,"STARTTLS\r\n");
910 BIO_read(sbio,sbuf,BUFSIZZ);
912 else if (starttls_proto == PROTO_POP3)
914 BIO_read(sbio,mbuf,BUFSIZZ);
915 BIO_printf(sbio,"STLS\r\n");
916 BIO_read(sbio,sbuf,BUFSIZZ);
918 else if (starttls_proto == PROTO_IMAP)
921 BIO *fbio = BIO_new(BIO_f_buffer());
922 BIO_push(fbio, sbio);
923 BIO_gets(fbio,mbuf,BUFSIZZ);
924 /* STARTTLS command requires CAPABILITY... */
925 BIO_printf(fbio,". CAPABILITY\r\n");
926 (void)BIO_flush(fbio);
927 /* wait for multi-line CAPABILITY response */
930 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
931 if (strstr(mbuf,"STARTTLS"))
934 while (mbuf_len>3 && mbuf[0]!='.');
935 (void)BIO_flush(fbio);
940 "didn't found STARTTLS in server response,"
942 BIO_printf(sbio,". STARTTLS\r\n");
943 BIO_read(sbio,sbuf,BUFSIZZ);
945 else if (starttls_proto == PROTO_FTP)
947 BIO *fbio = BIO_new(BIO_f_buffer());
948 BIO_push(fbio, sbio);
949 /* wait for multi-line response to end from FTP */
952 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
954 while (mbuf_len>3 && mbuf[3]=='-');
955 (void)BIO_flush(fbio);
958 BIO_printf(sbio,"AUTH TLS\r\n");
959 BIO_read(sbio,sbuf,BUFSIZZ);
967 if (SSL_in_init(con) && !SSL_total_renegotiations(con))
980 BIO *stmp = BIO_new_file(sess_out, "w");
983 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));
987 BIO_printf(bio_err, "Error writing session file %s\n", sess_out);
989 print_stuff(bio_c_out,con,full_log);
990 if (full_log > 0) full_log--;
994 BIO_printf(bio_err,"%s",mbuf);
995 /* We don't need to know any more */
996 starttls_proto = PROTO_OFF;
1002 BIO_printf(bio_c_out,"drop connection and then reconnect\n");
1004 SSL_set_connect_state(con);
1005 SHUTDOWN(SSL_get_fd(con));
1011 ssl_pending = read_ssl && SSL_pending(con);
1015 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE)
1018 if (read_tty) FD_SET(fileno(stdin),&readfds);
1019 if (write_tty) FD_SET(fileno(stdout),&writefds);
1022 FD_SET(SSL_get_fd(con),&readfds);
1024 FD_SET(SSL_get_fd(con),&writefds);
1026 if(!tty_on || !write_tty) {
1028 FD_SET(SSL_get_fd(con),&readfds);
1030 FD_SET(SSL_get_fd(con),&writefds);
1033 /* printf("mode tty(%d %d%d) ssl(%d%d)\n",
1034 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
1036 /* Note: under VMS with SOCKETSHR the second parameter
1037 * is currently of type (int *) whereas under other
1038 * systems it is (void *) if you don't have a cast it
1039 * will choke the compiler: if you do have a cast then
1040 * you can either go for (int *) or (void *).
1042 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1043 /* Under Windows/DOS we make the assumption that we can
1044 * always write to the tty: therefore if we need to
1045 * write to the tty we just fall through. Otherwise
1046 * we timeout the select every second and see if there
1047 * are any keypresses. Note: this is a hack, in a proper
1048 * Windows application we wouldn't do this.
1055 i=select(width,(void *)&readfds,(void *)&writefds,
1057 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1058 if(!i && (!_kbhit() || !read_tty) ) continue;
1060 if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue;
1062 } else i=select(width,(void *)&readfds,(void *)&writefds,
1065 #elif defined(OPENSSL_SYS_NETWARE)
1070 i=select(width,(void *)&readfds,(void *)&writefds,
1072 } else i=select(width,(void *)&readfds,(void *)&writefds,
1076 i=select(width,(void *)&readfds,(void *)&writefds,
1081 BIO_printf(bio_err,"bad select %d\n",
1082 get_last_socket_error());
1088 if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds))
1090 k=SSL_write(con,&(cbuf[cbuf_off]),
1091 (unsigned int)cbuf_len);
1092 switch (SSL_get_error(con,k))
1094 case SSL_ERROR_NONE:
1097 if (k <= 0) goto end;
1098 /* we have done a write(con,NULL,0); */
1104 else /* if (cbuf_len > 0) */
1110 case SSL_ERROR_WANT_WRITE:
1111 BIO_printf(bio_c_out,"write W BLOCK\n");
1115 case SSL_ERROR_WANT_READ:
1116 BIO_printf(bio_c_out,"write R BLOCK\n");
1121 case SSL_ERROR_WANT_X509_LOOKUP:
1122 BIO_printf(bio_c_out,"write X BLOCK\n");
1124 case SSL_ERROR_ZERO_RETURN:
1127 BIO_printf(bio_c_out,"shutdown\n");
1137 case SSL_ERROR_SYSCALL:
1138 if ((k != 0) || (cbuf_len != 0))
1140 BIO_printf(bio_err,"write:errno=%d\n",
1141 get_last_socket_error());
1151 ERR_print_errors(bio_err);
1155 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
1156 /* Assume Windows/DOS can always write */
1157 else if (!ssl_pending && write_tty)
1159 else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds))
1162 #ifdef CHARSET_EBCDIC
1163 ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len);
1165 i=write(fileno(stdout),&(sbuf[sbuf_off]),sbuf_len);
1169 BIO_printf(bio_c_out,"DONE\n");
1182 else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds))
1185 { static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } }
1188 k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ );
1190 /* Demo for pending and peek :-) */
1191 k=SSL_read(con,sbuf,16);
1193 printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240));
1197 switch (SSL_get_error(con,k))
1199 case SSL_ERROR_NONE:
1208 case SSL_ERROR_WANT_WRITE:
1209 BIO_printf(bio_c_out,"read W BLOCK\n");
1213 case SSL_ERROR_WANT_READ:
1214 BIO_printf(bio_c_out,"read R BLOCK\n");
1217 if ((read_tty == 0) && (write_ssl == 0))
1220 case SSL_ERROR_WANT_X509_LOOKUP:
1221 BIO_printf(bio_c_out,"read X BLOCK\n");
1223 case SSL_ERROR_SYSCALL:
1224 BIO_printf(bio_err,"read:errno=%d\n",get_last_socket_error());
1226 case SSL_ERROR_ZERO_RETURN:
1227 BIO_printf(bio_c_out,"closed\n");
1230 ERR_print_errors(bio_err);
1236 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1237 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1240 else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
1242 #elif defined (OPENSSL_SYS_NETWARE)
1245 else if (FD_ISSET(fileno(stdin),&readfds))
1252 i=read(fileno(stdin),cbuf,BUFSIZZ/2);
1254 /* both loops are skipped when i <= 0 */
1255 for (j = 0; j < i; j++)
1256 if (cbuf[j] == '\n')
1258 for (j = i-1; j >= 0; j--)
1260 cbuf[j+lf_num] = cbuf[j];
1261 if (cbuf[j] == '\n')
1265 cbuf[j+lf_num] = '\r';
1268 assert(lf_num == 0);
1271 i=read(fileno(stdin),cbuf,BUFSIZZ);
1273 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q')))
1275 BIO_printf(bio_err,"DONE\n");
1279 if ((!c_ign_eof) && (cbuf[0] == 'R'))
1281 BIO_printf(bio_err,"RENEGOTIATING\n");
1282 SSL_renegotiate(con);
1289 #ifdef CHARSET_EBCDIC
1290 ebcdic2ascii(cbuf, cbuf, i);
1300 SHUTDOWN(SSL_get_fd(con));
1303 if(prexit) print_stuff(bio_c_out,con,1);
1304 if (con != NULL) SSL_free(con);
1305 if (con2 != NULL) SSL_free(con2);
1306 if (ctx != NULL) SSL_CTX_free(ctx);
1313 if (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); }
1314 if (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); }
1315 if (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); }
1316 if (bio_c_out != NULL)
1318 BIO_free(bio_c_out);
1326 static void print_stuff(BIO *bio, SSL *s, int full)
1330 static const char *space=" ";
1333 STACK_OF(X509_NAME) *sk2;
1337 #ifndef OPENSSL_NO_COMP
1338 const COMP_METHOD *comp, *expansion;
1343 int got_a_chain = 0;
1345 sk=SSL_get_peer_cert_chain(s);
1348 got_a_chain = 1; /* we don't have it for SSL2 (yet) */
1350 BIO_printf(bio,"---\nCertificate chain\n");
1351 for (i=0; i<sk_X509_num(sk); i++)
1353 X509_NAME_oneline(X509_get_subject_name(
1354 sk_X509_value(sk,i)),buf,sizeof buf);
1355 BIO_printf(bio,"%2d s:%s\n",i,buf);
1356 X509_NAME_oneline(X509_get_issuer_name(
1357 sk_X509_value(sk,i)),buf,sizeof buf);
1358 BIO_printf(bio," i:%s\n",buf);
1360 PEM_write_bio_X509(bio,sk_X509_value(sk,i));
1364 BIO_printf(bio,"---\n");
1365 peer=SSL_get_peer_certificate(s);
1368 BIO_printf(bio,"Server certificate\n");
1369 if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */
1370 PEM_write_bio_X509(bio,peer);
1371 X509_NAME_oneline(X509_get_subject_name(peer),
1373 BIO_printf(bio,"subject=%s\n",buf);
1374 X509_NAME_oneline(X509_get_issuer_name(peer),
1376 BIO_printf(bio,"issuer=%s\n",buf);
1379 BIO_printf(bio,"no peer certificate available\n");
1381 sk2=SSL_get_client_CA_list(s);
1382 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0))
1384 BIO_printf(bio,"---\nAcceptable client certificate CA names\n");
1385 for (i=0; i<sk_X509_NAME_num(sk2); i++)
1387 xn=sk_X509_NAME_value(sk2,i);
1388 X509_NAME_oneline(xn,buf,sizeof(buf));
1389 BIO_write(bio,buf,strlen(buf));
1390 BIO_write(bio,"\n",1);
1395 BIO_printf(bio,"---\nNo client certificate CA names sent\n");
1397 p=SSL_get_shared_ciphers(s,buf,sizeof buf);
1400 /* This works only for SSL 2. In later protocol
1401 * versions, the client does not know what other
1402 * ciphers (in addition to the one to be used
1403 * in the current connection) the server supports. */
1405 BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n");
1411 BIO_write(bio,space,15-j%25);
1414 BIO_write(bio,((i%3)?" ":"\n"),1);
1423 BIO_write(bio,"\n",1);
1426 BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n",
1427 BIO_number_read(SSL_get_rbio(s)),
1428 BIO_number_written(SSL_get_wbio(s)));
1430 BIO_printf(bio,((s->hit)?"---\nReused, ":"---\nNew, "));
1431 c=SSL_get_current_cipher(s);
1432 BIO_printf(bio,"%s, Cipher is %s\n",
1433 SSL_CIPHER_get_version(c),
1434 SSL_CIPHER_get_name(c));
1437 pktmp = X509_get_pubkey(peer);
1438 BIO_printf(bio,"Server public key is %d bit\n",
1439 EVP_PKEY_bits(pktmp));
1440 EVP_PKEY_free(pktmp);
1442 #ifndef OPENSSL_NO_COMP
1443 comp=SSL_get_current_compression(s);
1444 expansion=SSL_get_current_expansion(s);
1445 BIO_printf(bio,"Compression: %s\n",
1446 comp ? SSL_COMP_get_name(comp) : "NONE");
1447 BIO_printf(bio,"Expansion: %s\n",
1448 expansion ? SSL_COMP_get_name(expansion) : "NONE");
1450 SSL_SESSION_print(bio,SSL_get_session(s));
1451 BIO_printf(bio,"---\n");
1454 /* flush, or debugging output gets mixed with http response */
1455 (void)BIO_flush(bio);
1458 #ifndef OPENSSL_NO_TLSEXT
1460 static int ocsp_resp_cb(SSL *s, void *arg)
1462 const unsigned char *p;
1465 len = SSL_get_tlsext_status_ocsp_resp(s, &p);
1466 BIO_puts(arg, "OCSP response: ");
1469 BIO_puts(arg, "no response sent\n");
1472 rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
1475 BIO_puts(arg, "response parse error\n");
1476 BIO_dump_indent(arg, (char *)p, len, 4);
1479 BIO_puts(arg, "\n======================================\n");
1480 OCSP_RESPONSE_print(arg, rsp, 0);
1481 BIO_puts(arg, "======================================\n");
1482 OCSP_RESPONSE_free(rsp);
1485 #endif /* ndef OPENSSL_NO_TLSEXT */