2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
58 /* ====================================================================
59 * Copyright (c) 1998-2001 The OpenSSL Project. All rights reserved.
61 * Redistribution and use in source and binary forms, with or without
62 * modification, are permitted provided that the following conditions
65 * 1. Redistributions of source code must retain the above copyright
66 * notice, this list of conditions and the following disclaimer.
68 * 2. Redistributions in binary form must reproduce the above copyright
69 * notice, this list of conditions and the following disclaimer in
70 * the documentation and/or other materials provided with the
73 * 3. All advertising materials mentioning features or use of this
74 * software must display the following acknowledgment:
75 * "This product includes software developed by the OpenSSL Project
76 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
78 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
79 * endorse or promote products derived from this software without
80 * prior written permission. For written permission, please contact
81 * openssl-core@openssl.org.
83 * 5. Products derived from this software may not be called "OpenSSL"
84 * nor may "OpenSSL" appear in their names without prior written
85 * permission of the OpenSSL Project.
87 * 6. Redistributions of any form whatsoever must retain the following
89 * "This product includes software developed by the OpenSSL Project
90 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
92 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
93 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
94 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
95 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
96 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
97 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
98 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
99 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
100 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
101 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
102 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
103 * OF THE POSSIBILITY OF SUCH DAMAGE.
104 * ====================================================================
106 * This product includes cryptographic software written by Eric Young
107 * (eay@cryptsoft.com). This product includes software written by Tim
108 * Hudson (tjh@cryptsoft.com).
116 #include <openssl/e_os2.h>
117 #ifdef OPENSSL_NO_STDIO
121 /* With IPv6, it looks like Digital has mixed up the proper order of
122 recursive header file inclusion, resulting in the compiler complaining
123 that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which
124 is needed to have fileno() declared correctly... So let's define u_int */
125 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
127 typedef unsigned int u_int;
132 #include <openssl/x509.h>
133 #include <openssl/ssl.h>
134 #include <openssl/err.h>
135 #include <openssl/pem.h>
136 #include <openssl/rand.h>
137 #include <openssl/ocsp.h>
139 #include "timeouts.h"
141 #ifdef OPENSSL_SYS_WINCE
142 /* Windows CE incorrectly defines fileno as returning void*, so to avoid problems below... */
146 #define fileno(a) (int)_fileno(a)
150 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
151 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
156 #define PROG s_client_main
158 /*#define SSL_HOST_NAME "www.netscape.com" */
159 /*#define SSL_HOST_NAME "193.118.187.102" */
160 #define SSL_HOST_NAME "localhost"
162 /*#define TEST_CERT "client.pem" */ /* no default cert. */
165 #define BUFSIZZ 1024*8
167 extern int verify_depth;
168 extern int verify_error;
173 static int c_Pause=0;
174 static int c_debug=0;
175 #ifndef OPENSSL_NO_TLSEXT
176 static int c_tlsextdebug=0;
177 static int c_status_req=0;
180 static int c_showcerts=0;
182 static void sc_usage(void);
183 static void print_stuff(BIO *berr,SSL *con,int full);
184 #ifndef OPENSSL_NO_TLSEXT
185 static int ocsp_resp_cb(SSL *s, void *arg);
187 static BIO *bio_c_out=NULL;
188 static int c_quiet=0;
189 static int c_ign_eof=0;
191 static void sc_usage(void)
193 BIO_printf(bio_err,"usage: s_client args\n");
194 BIO_printf(bio_err,"\n");
195 BIO_printf(bio_err," -host host - use -connect instead\n");
196 BIO_printf(bio_err," -port port - use -connect instead\n");
197 BIO_printf(bio_err," -connect host:port - who to connect to (default is %s:%s)\n",SSL_HOST_NAME,PORT_STR);
199 BIO_printf(bio_err," -verify depth - turn on peer certificate verification\n");
200 BIO_printf(bio_err," -cert arg - certificate file to use, PEM format assumed\n");
201 BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
202 BIO_printf(bio_err," -key arg - Private key file to use, in cert file if\n");
203 BIO_printf(bio_err," not specified but cert file is.\n");
204 BIO_printf(bio_err," -keyform arg - key format (PEM or DER) PEM default\n");
205 BIO_printf(bio_err," -pass arg - private key file pass phrase source\n");
206 BIO_printf(bio_err," -CApath arg - PEM format directory of CA's\n");
207 BIO_printf(bio_err," -CAfile arg - PEM format file of CA's\n");
208 BIO_printf(bio_err," -reconnect - Drop and re-make the connection with the same Session-ID\n");
209 BIO_printf(bio_err," -pause - sleep(1) after each read(2) and write(2) system call\n");
210 BIO_printf(bio_err," -showcerts - show all certificates in the chain\n");
211 BIO_printf(bio_err," -debug - extra output\n");
213 BIO_printf(bio_err," -wdebug - WATT-32 tcp debugging\n");
215 BIO_printf(bio_err," -msg - Show protocol messages\n");
216 BIO_printf(bio_err," -nbio_test - more ssl protocol testing\n");
217 BIO_printf(bio_err," -state - print the 'ssl' states\n");
219 BIO_printf(bio_err," -nbio - Run with non-blocking IO\n");
221 BIO_printf(bio_err," -crlf - convert LF from terminal into CRLF\n");
222 BIO_printf(bio_err," -quiet - no s_client output\n");
223 BIO_printf(bio_err," -ign_eof - ignore input eof (default when -quiet)\n");
224 BIO_printf(bio_err," -no_ign_eof - don't ignore input eof\n");
225 BIO_printf(bio_err," -ssl2 - just use SSLv2\n");
226 BIO_printf(bio_err," -ssl3 - just use SSLv3\n");
227 BIO_printf(bio_err," -tls1 - just use TLSv1\n");
228 BIO_printf(bio_err," -dtls1 - just use DTLSv1\n");
229 BIO_printf(bio_err," -mtu - set the MTU\n");
230 BIO_printf(bio_err," -no_tls1/-no_ssl3/-no_ssl2 - turn off that protocol\n");
231 BIO_printf(bio_err," -bugs - Switch on all SSL implementation bug workarounds\n");
232 BIO_printf(bio_err," -serverpref - Use server's cipher preferences (only SSLv2)\n");
233 BIO_printf(bio_err," -cipher - preferred cipher to use, use the 'openssl ciphers'\n");
234 BIO_printf(bio_err," command to see what is available\n");
235 BIO_printf(bio_err," -starttls prot - use the STARTTLS command before starting TLS\n");
236 BIO_printf(bio_err," for those protocols that support it, where\n");
237 BIO_printf(bio_err," 'prot' defines which one to assume. Currently,\n");
238 BIO_printf(bio_err," only \"smtp\", \"pop3\", \"imap\", \"ftp\" and \"xmpp\"\n");
239 BIO_printf(bio_err," are supported.\n");
240 #ifndef OPENSSL_NO_ENGINE
241 BIO_printf(bio_err," -engine id - Initialise and use the specified engine\n");
243 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
244 BIO_printf(bio_err," -sess_out arg - file to write SSL session to\n");
245 BIO_printf(bio_err," -sess_in arg - file to read SSL session from\n");
246 #ifndef OPENSSL_NO_TLSEXT
247 BIO_printf(bio_err," -servername host - Set TLS extension servername in ClientHello\n");
248 BIO_printf(bio_err," -tlsextdebug - hex dump of all TLS extensions received\n");
249 BIO_printf(bio_err," -status - request certificate status from server\n");
250 BIO_printf(bio_err," -no_ticket - disable use of RFC4507bis session tickets\n");
254 #ifndef OPENSSL_NO_TLSEXT
256 /* This is a context that we pass to callbacks */
257 typedef struct tlsextctx_st {
263 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
265 tlsextctx * p = (tlsextctx *) arg;
266 const char * hn= SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
267 if (SSL_get_servername_type(s) != -1)
268 p->ack = !SSL_session_reused(s) && hn != NULL;
270 BIO_printf(bio_err,"Can't use SSL_get_servername\n");
272 return SSL_TLSEXT_ERR_OK;
285 int MAIN(int, char **);
287 int MAIN(int argc, char **argv)
290 SSL *con=NULL,*con2=NULL;
291 X509_STORE *store = NULL;
292 int s,k,width,state=0;
293 char *cbuf=NULL,*sbuf=NULL,*mbuf=NULL;
294 int cbuf_len,cbuf_off;
295 int sbuf_len,sbuf_off;
296 fd_set readfds,writefds;
299 char *host=SSL_HOST_NAME;
300 char *cert_file=NULL,*key_file=NULL;
301 int cert_format = FORMAT_PEM, key_format = FORMAT_PEM;
302 char *passarg = NULL, *pass = NULL;
304 EVP_PKEY *key = NULL;
305 char *CApath=NULL,*CAfile=NULL,*cipher=NULL;
306 int reconnect=0,badop=0,verify=SSL_VERIFY_NONE,bugs=0;
308 int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending;
310 int ret=1,in_init=1,i,nbio_test=0;
311 int starttls_proto = PROTO_OFF;
312 int prexit = 0, vflags = 0;
313 SSL_METHOD *meth=NULL;
317 int sock_type=SOCK_STREAM;
321 #ifndef OPENSSL_NO_ENGINE
322 char *engine_id=NULL;
323 char *ssl_client_engine_id=NULL;
324 ENGINE *e=NULL, *ssl_client_engine=NULL;
326 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
330 #ifndef OPENSSL_NO_TLSEXT
331 char *servername = NULL;
332 tlsextctx tlsextcbp =
335 char *sess_in = NULL;
336 char *sess_out = NULL;
337 struct sockaddr peer;
338 int peerlen = sizeof(peer);
339 int enable_timeouts = 0 ;
341 #ifdef OPENSSL_EXPERIMENTAL_JPAKE
342 char *jpake_secret = NULL;
345 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
346 meth=SSLv23_client_method();
347 #elif !defined(OPENSSL_NO_SSL3)
348 meth=SSLv3_client_method();
349 #elif !defined(OPENSSL_NO_SSL2)
350 meth=SSLv2_client_method();
362 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
364 if (!load_config(bio_err, NULL))
367 if ( ((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
368 ((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
369 ((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL))
371 BIO_printf(bio_err,"out of memory\n");
376 verify_error=X509_V_OK;
385 if (strcmp(*argv,"-host") == 0)
387 if (--argc < 1) goto bad;
390 else if (strcmp(*argv,"-port") == 0)
392 if (--argc < 1) goto bad;
393 port=atoi(*(++argv));
394 if (port == 0) goto bad;
396 else if (strcmp(*argv,"-connect") == 0)
398 if (--argc < 1) goto bad;
399 if (!extract_host_port(*(++argv),&host,NULL,&port))
402 else if (strcmp(*argv,"-verify") == 0)
404 verify=SSL_VERIFY_PEER;
405 if (--argc < 1) goto bad;
406 verify_depth=atoi(*(++argv));
407 BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
409 else if (strcmp(*argv,"-cert") == 0)
411 if (--argc < 1) goto bad;
412 cert_file= *(++argv);
414 else if (strcmp(*argv,"-sess_out") == 0)
416 if (--argc < 1) goto bad;
417 sess_out = *(++argv);
419 else if (strcmp(*argv,"-sess_in") == 0)
421 if (--argc < 1) goto bad;
424 else if (strcmp(*argv,"-certform") == 0)
426 if (--argc < 1) goto bad;
427 cert_format = str2fmt(*(++argv));
429 else if (strcmp(*argv,"-crl_check") == 0)
430 vflags |= X509_V_FLAG_CRL_CHECK;
431 else if (strcmp(*argv,"-crl_check_all") == 0)
432 vflags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;
433 else if (strcmp(*argv,"-prexit") == 0)
435 else if (strcmp(*argv,"-crlf") == 0)
437 else if (strcmp(*argv,"-quiet") == 0)
442 else if (strcmp(*argv,"-ign_eof") == 0)
444 else if (strcmp(*argv,"-no_ign_eof") == 0)
446 else if (strcmp(*argv,"-pause") == 0)
448 else if (strcmp(*argv,"-debug") == 0)
450 #ifndef OPENSSL_NO_TLSEXT
451 else if (strcmp(*argv,"-tlsextdebug") == 0)
453 else if (strcmp(*argv,"-status") == 0)
457 else if (strcmp(*argv,"-wdebug") == 0)
460 else if (strcmp(*argv,"-msg") == 0)
462 else if (strcmp(*argv,"-showcerts") == 0)
464 else if (strcmp(*argv,"-nbio_test") == 0)
466 else if (strcmp(*argv,"-state") == 0)
468 #ifndef OPENSSL_NO_SSL2
469 else if (strcmp(*argv,"-ssl2") == 0)
470 meth=SSLv2_client_method();
472 #ifndef OPENSSL_NO_SSL3
473 else if (strcmp(*argv,"-ssl3") == 0)
474 meth=SSLv3_client_method();
476 #ifndef OPENSSL_NO_TLS1
477 else if (strcmp(*argv,"-tls1") == 0)
478 meth=TLSv1_client_method();
480 #ifndef OPENSSL_NO_DTLS1
481 else if (strcmp(*argv,"-dtls1") == 0)
483 meth=DTLSv1_client_method();
484 sock_type=SOCK_DGRAM;
486 else if (strcmp(*argv,"-timeout") == 0)
488 else if (strcmp(*argv,"-mtu") == 0)
490 if (--argc < 1) goto bad;
491 mtu = atol(*(++argv));
494 else if (strcmp(*argv,"-bugs") == 0)
496 else if (strcmp(*argv,"-keyform") == 0)
498 if (--argc < 1) goto bad;
499 key_format = str2fmt(*(++argv));
501 else if (strcmp(*argv,"-pass") == 0)
503 if (--argc < 1) goto bad;
506 else if (strcmp(*argv,"-key") == 0)
508 if (--argc < 1) goto bad;
511 else if (strcmp(*argv,"-reconnect") == 0)
515 else if (strcmp(*argv,"-CApath") == 0)
517 if (--argc < 1) goto bad;
520 else if (strcmp(*argv,"-CAfile") == 0)
522 if (--argc < 1) goto bad;
525 else if (strcmp(*argv,"-no_tls1") == 0)
526 off|=SSL_OP_NO_TLSv1;
527 else if (strcmp(*argv,"-no_ssl3") == 0)
528 off|=SSL_OP_NO_SSLv3;
529 else if (strcmp(*argv,"-no_ssl2") == 0)
530 off|=SSL_OP_NO_SSLv2;
531 #ifndef OPENSSL_NO_TLSEXT
532 else if (strcmp(*argv,"-no_ticket") == 0)
533 { off|=SSL_OP_NO_TICKET; }
535 else if (strcmp(*argv,"-serverpref") == 0)
536 off|=SSL_OP_CIPHER_SERVER_PREFERENCE;
537 else if (strcmp(*argv,"-cipher") == 0)
539 if (--argc < 1) goto bad;
543 else if (strcmp(*argv,"-nbio") == 0)
546 else if (strcmp(*argv,"-starttls") == 0)
548 if (--argc < 1) goto bad;
550 if (strcmp(*argv,"smtp") == 0)
551 starttls_proto = PROTO_SMTP;
552 else if (strcmp(*argv,"pop3") == 0)
553 starttls_proto = PROTO_POP3;
554 else if (strcmp(*argv,"imap") == 0)
555 starttls_proto = PROTO_IMAP;
556 else if (strcmp(*argv,"ftp") == 0)
557 starttls_proto = PROTO_FTP;
558 else if (strcmp(*argv, "xmpp") == 0)
559 starttls_proto = PROTO_XMPP;
563 #ifndef OPENSSL_NO_ENGINE
564 else if (strcmp(*argv,"-engine") == 0)
566 if (--argc < 1) goto bad;
567 engine_id = *(++argv);
569 else if (strcmp(*argv,"-ssl_client_engine") == 0)
571 if (--argc < 1) goto bad;
572 ssl_client_engine_id = *(++argv);
575 else if (strcmp(*argv,"-rand") == 0)
577 if (--argc < 1) goto bad;
580 #ifndef OPENSSL_NO_TLSEXT
581 else if (strcmp(*argv,"-servername") == 0)
583 if (--argc < 1) goto bad;
584 servername= *(++argv);
585 /* meth=TLSv1_client_method(); */
588 #ifdef OPENSSL_EXPERIMENTAL_JPAKE
589 else if (strcmp(*argv,"-jpake") == 0)
591 if (--argc < 1) goto bad;
592 jpake_secret = *++argv;
597 BIO_printf(bio_err,"unknown option %s\n",*argv);
611 OpenSSL_add_ssl_algorithms();
612 SSL_load_error_strings();
614 #ifndef OPENSSL_NO_ENGINE
615 e = setup_engine(bio_err, engine_id, 1);
616 if (ssl_client_engine_id)
618 ssl_client_engine = ENGINE_by_id(ssl_client_engine_id);
619 if (!ssl_client_engine)
622 "Error getting client auth engine\n");
627 if (!app_passwd(bio_err, passarg, NULL, &pass, NULL))
629 BIO_printf(bio_err, "Error getting password\n");
633 if (key_file == NULL)
634 key_file = cert_file;
641 key = load_key(bio_err, key_file, key_format, 0, pass, e,
642 "client certificate private key file");
645 ERR_print_errors(bio_err);
654 cert = load_cert(bio_err,cert_file,cert_format,
655 NULL, e, "client certificate file");
659 ERR_print_errors(bio_err);
664 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
667 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
670 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
671 app_RAND_load_files(inrand));
673 if (bio_c_out == NULL)
675 if (c_quiet && !c_debug && !c_msg)
677 bio_c_out=BIO_new(BIO_s_null());
681 if (bio_c_out == NULL)
682 bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE);
686 ctx=SSL_CTX_new(meth);
689 ERR_print_errors(bio_err);
693 #ifndef OPENSSL_NO_ENGINE
694 if (ssl_client_engine)
696 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine))
698 BIO_puts(bio_err, "Error setting client auth engine\n");
699 ERR_print_errors(bio_err);
700 ENGINE_free(ssl_client_engine);
703 ENGINE_free(ssl_client_engine);
708 SSL_CTX_set_options(ctx,SSL_OP_ALL|off);
710 SSL_CTX_set_options(ctx,off);
711 /* DTLS: partial reads end up discarding unread UDP bytes :-(
712 * Setting read ahead solves this problem.
714 if (sock_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
716 if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
718 if(!SSL_CTX_set_cipher_list(ctx,cipher)) {
719 BIO_printf(bio_err,"error setting cipher list\n");
720 ERR_print_errors(bio_err);
725 SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER"));
728 SSL_CTX_set_verify(ctx,verify,verify_callback);
729 if (!set_cert_key_stuff(ctx,cert,key))
732 if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
733 (!SSL_CTX_set_default_verify_paths(ctx)))
735 /* BIO_printf(bio_err,"error setting default verify locations\n"); */
736 ERR_print_errors(bio_err);
740 store = SSL_CTX_get_cert_store(ctx);
741 X509_STORE_set_flags(store, vflags);
742 #ifndef OPENSSL_NO_TLSEXT
743 if (servername != NULL)
745 tlsextcbp.biodebug = bio_err;
746 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
747 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
755 BIO *stmp = BIO_new_file(sess_in, "r");
758 BIO_printf(bio_err, "Can't open session file %s\n",
760 ERR_print_errors(bio_err);
763 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
767 BIO_printf(bio_err, "Can't open session file %s\n",
769 ERR_print_errors(bio_err);
772 SSL_set_session(con, sess);
773 SSL_SESSION_free(sess);
775 #ifndef OPENSSL_NO_TLSEXT
776 if (servername != NULL)
778 if (!SSL_set_tlsext_host_name(con,servername))
780 BIO_printf(bio_err,"Unable to set TLS servername extension.\n");
781 ERR_print_errors(bio_err);
787 #ifndef OPENSSL_NO_KRB5
788 if (con && (con->kssl_ctx = kssl_ctx_new()) != NULL)
790 kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVER, host);
792 #endif /* OPENSSL_NO_KRB5 */
793 /* SSL_set_cipher_list(con,"RC4-MD5"); */
797 if (init_client(&s,host,port,sock_type) == 0)
799 BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error());
803 BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s);
809 BIO_printf(bio_c_out,"turning on non blocking io\n");
810 if (BIO_socket_ioctl(s,FIONBIO,&l) < 0)
812 ERR_print_errors(bio_err);
817 if (c_Pause & 0x01) con->debug=1;
819 if ( SSL_version(con) == DTLS1_VERSION)
821 struct timeval timeout;
823 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
824 if (getsockname(s, &peer, (void *)&peerlen) < 0)
826 BIO_printf(bio_err, "getsockname:errno=%d\n",
827 get_last_socket_error());
832 (void)BIO_ctrl_set_connected(sbio, 1, &peer);
834 if ( enable_timeouts)
837 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
838 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
841 timeout.tv_usec = DGRAM_SND_TIMEOUT;
842 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
847 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
848 SSL_set_mtu(con, mtu);
851 /* want to do MTU discovery */
852 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
855 sbio=BIO_new_socket(s,BIO_NOCLOSE);
861 test=BIO_new(BIO_f_nbio_test());
862 sbio=BIO_push(test,sbio);
868 BIO_set_callback(sbio,bio_dump_callback);
869 BIO_set_callback_arg(sbio,(char *)bio_c_out);
873 SSL_set_msg_callback(con, msg_cb);
874 SSL_set_msg_callback_arg(con, bio_c_out);
876 #ifndef OPENSSL_NO_TLSEXT
879 SSL_set_tlsext_debug_callback(con, tlsext_cb);
880 SSL_set_tlsext_debug_arg(con, bio_c_out);
884 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
885 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
886 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
889 STACK_OF(OCSP_RESPID) *ids = sk_OCSP_RESPID_new_null();
890 OCSP_RESPID *id = OCSP_RESPID_new();
891 id->value.byKey = ASN1_OCTET_STRING_new();
892 id->type = V_OCSP_RESPID_KEY;
893 ASN1_STRING_set(id->value.byKey, "Hello World", -1);
894 sk_OCSP_RESPID_push(ids, id);
895 SSL_set_tlsext_status_ids(con, ids);
900 #ifdef OPENSSL_EXPERIMENTAL_JPAKE
902 jpake_client_auth(bio_c_out, sbio, jpake_secret);
905 SSL_set_bio(con,sbio,sbio);
906 SSL_set_connect_state(con);
908 /* ok, lets connect */
909 width=SSL_get_fd(con)+1;
922 /* This is an ugly hack that does a lot of assumptions */
923 /* We do have to handle multi-line responses which may come
924 in a single packet or not. We therefore have to use
925 BIO_gets() which does need a buffering BIO. So during
926 the initial chitchat we do push a buffering BIO into the
927 chain that is removed again later on to not disturb the
928 rest of the s_client operation. */
929 if (starttls_proto == PROTO_SMTP)
932 BIO *fbio = BIO_new(BIO_f_buffer());
933 BIO_push(fbio, sbio);
934 /* wait for multi-line response to end from SMTP */
937 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
939 while (mbuf_len>3 && mbuf[3]=='-');
940 /* STARTTLS command requires EHLO... */
941 BIO_printf(fbio,"EHLO openssl.client.net\r\n");
942 (void)BIO_flush(fbio);
943 /* wait for multi-line response to end EHLO SMTP response */
946 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
947 if (strstr(mbuf,"STARTTLS"))
950 while (mbuf_len>3 && mbuf[3]=='-');
951 (void)BIO_flush(fbio);
956 "didn't found starttls in server response,"
958 BIO_printf(sbio,"STARTTLS\r\n");
959 BIO_read(sbio,sbuf,BUFSIZZ);
961 else if (starttls_proto == PROTO_POP3)
963 BIO_read(sbio,mbuf,BUFSIZZ);
964 BIO_printf(sbio,"STLS\r\n");
965 BIO_read(sbio,sbuf,BUFSIZZ);
967 else if (starttls_proto == PROTO_IMAP)
970 BIO *fbio = BIO_new(BIO_f_buffer());
971 BIO_push(fbio, sbio);
972 BIO_gets(fbio,mbuf,BUFSIZZ);
973 /* STARTTLS command requires CAPABILITY... */
974 BIO_printf(fbio,". CAPABILITY\r\n");
975 (void)BIO_flush(fbio);
976 /* wait for multi-line CAPABILITY response */
979 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
980 if (strstr(mbuf,"STARTTLS"))
983 while (mbuf_len>3 && mbuf[0]!='.');
984 (void)BIO_flush(fbio);
989 "didn't found STARTTLS in server response,"
991 BIO_printf(sbio,". STARTTLS\r\n");
992 BIO_read(sbio,sbuf,BUFSIZZ);
994 else if (starttls_proto == PROTO_FTP)
996 BIO *fbio = BIO_new(BIO_f_buffer());
997 BIO_push(fbio, sbio);
998 /* wait for multi-line response to end from FTP */
1001 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1003 while (mbuf_len>3 && mbuf[3]=='-');
1004 (void)BIO_flush(fbio);
1007 BIO_printf(sbio,"AUTH TLS\r\n");
1008 BIO_read(sbio,sbuf,BUFSIZZ);
1010 if (starttls_proto == PROTO_XMPP)
1013 BIO_printf(sbio,"<stream:stream "
1014 "xmlns:stream='http://etherx.jabber.org/streams' "
1015 "xmlns='jabber:client' to='%s' version='1.0'>", host);
1016 seen = BIO_read(sbio,mbuf,BUFSIZZ);
1018 while (!strstr(mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'"))
1020 if (strstr(mbuf, "/stream:features>"))
1022 seen = BIO_read(sbio,mbuf,BUFSIZZ);
1025 BIO_printf(sbio, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
1026 seen = BIO_read(sbio,sbuf,BUFSIZZ);
1028 if (!strstr(sbuf, "<proceed"))
1038 if (SSL_in_init(con) && !SSL_total_renegotiations(con))
1051 BIO *stmp = BIO_new_file(sess_out, "w");
1054 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));
1058 BIO_printf(bio_err, "Error writing session file %s\n", sess_out);
1060 print_stuff(bio_c_out,con,full_log);
1061 if (full_log > 0) full_log--;
1065 BIO_printf(bio_err,"%s",mbuf);
1066 /* We don't need to know any more */
1067 starttls_proto = PROTO_OFF;
1073 BIO_printf(bio_c_out,"drop connection and then reconnect\n");
1075 SSL_set_connect_state(con);
1076 SHUTDOWN(SSL_get_fd(con));
1082 ssl_pending = read_ssl && SSL_pending(con);
1086 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE)
1089 if (read_tty) FD_SET(fileno(stdin),&readfds);
1090 if (write_tty) FD_SET(fileno(stdout),&writefds);
1093 FD_SET(SSL_get_fd(con),&readfds);
1095 FD_SET(SSL_get_fd(con),&writefds);
1097 if(!tty_on || !write_tty) {
1099 FD_SET(SSL_get_fd(con),&readfds);
1101 FD_SET(SSL_get_fd(con),&writefds);
1104 /* printf("mode tty(%d %d%d) ssl(%d%d)\n",
1105 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
1107 /* Note: under VMS with SOCKETSHR the second parameter
1108 * is currently of type (int *) whereas under other
1109 * systems it is (void *) if you don't have a cast it
1110 * will choke the compiler: if you do have a cast then
1111 * you can either go for (int *) or (void *).
1113 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1114 /* Under Windows/DOS we make the assumption that we can
1115 * always write to the tty: therefore if we need to
1116 * write to the tty we just fall through. Otherwise
1117 * we timeout the select every second and see if there
1118 * are any keypresses. Note: this is a hack, in a proper
1119 * Windows application we wouldn't do this.
1126 i=select(width,(void *)&readfds,(void *)&writefds,
1128 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1129 if(!i && (!_kbhit() || !read_tty) ) continue;
1131 if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue;
1133 } else i=select(width,(void *)&readfds,(void *)&writefds,
1136 #elif defined(OPENSSL_SYS_NETWARE)
1141 i=select(width,(void *)&readfds,(void *)&writefds,
1143 } else i=select(width,(void *)&readfds,(void *)&writefds,
1147 i=select(width,(void *)&readfds,(void *)&writefds,
1152 BIO_printf(bio_err,"bad select %d\n",
1153 get_last_socket_error());
1159 if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds))
1161 k=SSL_write(con,&(cbuf[cbuf_off]),
1162 (unsigned int)cbuf_len);
1163 switch (SSL_get_error(con,k))
1165 case SSL_ERROR_NONE:
1168 if (k <= 0) goto end;
1169 /* we have done a write(con,NULL,0); */
1175 else /* if (cbuf_len > 0) */
1181 case SSL_ERROR_WANT_WRITE:
1182 BIO_printf(bio_c_out,"write W BLOCK\n");
1186 case SSL_ERROR_WANT_READ:
1187 BIO_printf(bio_c_out,"write R BLOCK\n");
1192 case SSL_ERROR_WANT_X509_LOOKUP:
1193 BIO_printf(bio_c_out,"write X BLOCK\n");
1195 case SSL_ERROR_ZERO_RETURN:
1198 BIO_printf(bio_c_out,"shutdown\n");
1208 case SSL_ERROR_SYSCALL:
1209 if ((k != 0) || (cbuf_len != 0))
1211 BIO_printf(bio_err,"write:errno=%d\n",
1212 get_last_socket_error());
1222 ERR_print_errors(bio_err);
1226 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
1227 /* Assume Windows/DOS can always write */
1228 else if (!ssl_pending && write_tty)
1230 else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds))
1233 #ifdef CHARSET_EBCDIC
1234 ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len);
1236 i=write(fileno(stdout),&(sbuf[sbuf_off]),sbuf_len);
1240 BIO_printf(bio_c_out,"DONE\n");
1253 else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds))
1256 { static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } }
1259 k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ );
1261 /* Demo for pending and peek :-) */
1262 k=SSL_read(con,sbuf,16);
1264 printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240));
1268 switch (SSL_get_error(con,k))
1270 case SSL_ERROR_NONE:
1279 case SSL_ERROR_WANT_WRITE:
1280 BIO_printf(bio_c_out,"read W BLOCK\n");
1284 case SSL_ERROR_WANT_READ:
1285 BIO_printf(bio_c_out,"read R BLOCK\n");
1288 if ((read_tty == 0) && (write_ssl == 0))
1291 case SSL_ERROR_WANT_X509_LOOKUP:
1292 BIO_printf(bio_c_out,"read X BLOCK\n");
1294 case SSL_ERROR_SYSCALL:
1295 BIO_printf(bio_err,"read:errno=%d\n",get_last_socket_error());
1297 case SSL_ERROR_ZERO_RETURN:
1298 BIO_printf(bio_c_out,"closed\n");
1301 ERR_print_errors(bio_err);
1307 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1308 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1311 else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
1313 #elif defined (OPENSSL_SYS_NETWARE)
1316 else if (FD_ISSET(fileno(stdin),&readfds))
1323 i=read(fileno(stdin),cbuf,BUFSIZZ/2);
1325 /* both loops are skipped when i <= 0 */
1326 for (j = 0; j < i; j++)
1327 if (cbuf[j] == '\n')
1329 for (j = i-1; j >= 0; j--)
1331 cbuf[j+lf_num] = cbuf[j];
1332 if (cbuf[j] == '\n')
1336 cbuf[j+lf_num] = '\r';
1339 assert(lf_num == 0);
1342 i=read(fileno(stdin),cbuf,BUFSIZZ);
1344 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q')))
1346 BIO_printf(bio_err,"DONE\n");
1350 if ((!c_ign_eof) && (cbuf[0] == 'R'))
1352 BIO_printf(bio_err,"RENEGOTIATING\n");
1353 SSL_renegotiate(con);
1360 #ifdef CHARSET_EBCDIC
1361 ebcdic2ascii(cbuf, cbuf, i);
1371 SHUTDOWN(SSL_get_fd(con));
1374 if(prexit) print_stuff(bio_c_out,con,1);
1375 if (con != NULL) SSL_free(con);
1376 if (con2 != NULL) SSL_free(con2);
1377 if (ctx != NULL) SSL_CTX_free(ctx);
1384 if (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); }
1385 if (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); }
1386 if (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); }
1387 if (bio_c_out != NULL)
1389 BIO_free(bio_c_out);
1397 static void print_stuff(BIO *bio, SSL *s, int full)
1401 static const char *space=" ";
1404 STACK_OF(X509_NAME) *sk2;
1408 #ifndef OPENSSL_NO_COMP
1409 const COMP_METHOD *comp, *expansion;
1414 int got_a_chain = 0;
1416 sk=SSL_get_peer_cert_chain(s);
1419 got_a_chain = 1; /* we don't have it for SSL2 (yet) */
1421 BIO_printf(bio,"---\nCertificate chain\n");
1422 for (i=0; i<sk_X509_num(sk); i++)
1424 X509_NAME_oneline(X509_get_subject_name(
1425 sk_X509_value(sk,i)),buf,sizeof buf);
1426 BIO_printf(bio,"%2d s:%s\n",i,buf);
1427 X509_NAME_oneline(X509_get_issuer_name(
1428 sk_X509_value(sk,i)),buf,sizeof buf);
1429 BIO_printf(bio," i:%s\n",buf);
1431 PEM_write_bio_X509(bio,sk_X509_value(sk,i));
1435 BIO_printf(bio,"---\n");
1436 peer=SSL_get_peer_certificate(s);
1439 BIO_printf(bio,"Server certificate\n");
1440 if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */
1441 PEM_write_bio_X509(bio,peer);
1442 X509_NAME_oneline(X509_get_subject_name(peer),
1444 BIO_printf(bio,"subject=%s\n",buf);
1445 X509_NAME_oneline(X509_get_issuer_name(peer),
1447 BIO_printf(bio,"issuer=%s\n",buf);
1450 BIO_printf(bio,"no peer certificate available\n");
1452 sk2=SSL_get_client_CA_list(s);
1453 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0))
1455 BIO_printf(bio,"---\nAcceptable client certificate CA names\n");
1456 for (i=0; i<sk_X509_NAME_num(sk2); i++)
1458 xn=sk_X509_NAME_value(sk2,i);
1459 X509_NAME_oneline(xn,buf,sizeof(buf));
1460 BIO_write(bio,buf,strlen(buf));
1461 BIO_write(bio,"\n",1);
1466 BIO_printf(bio,"---\nNo client certificate CA names sent\n");
1468 p=SSL_get_shared_ciphers(s,buf,sizeof buf);
1471 /* This works only for SSL 2. In later protocol
1472 * versions, the client does not know what other
1473 * ciphers (in addition to the one to be used
1474 * in the current connection) the server supports. */
1476 BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n");
1482 BIO_write(bio,space,15-j%25);
1485 BIO_write(bio,((i%3)?" ":"\n"),1);
1494 BIO_write(bio,"\n",1);
1497 BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n",
1498 BIO_number_read(SSL_get_rbio(s)),
1499 BIO_number_written(SSL_get_wbio(s)));
1501 BIO_printf(bio,((s->hit)?"---\nReused, ":"---\nNew, "));
1502 c=SSL_get_current_cipher(s);
1503 BIO_printf(bio,"%s, Cipher is %s\n",
1504 SSL_CIPHER_get_version(c),
1505 SSL_CIPHER_get_name(c));
1508 pktmp = X509_get_pubkey(peer);
1509 BIO_printf(bio,"Server public key is %d bit\n",
1510 EVP_PKEY_bits(pktmp));
1511 EVP_PKEY_free(pktmp);
1513 #ifndef OPENSSL_NO_COMP
1514 comp=SSL_get_current_compression(s);
1515 expansion=SSL_get_current_expansion(s);
1516 BIO_printf(bio,"Compression: %s\n",
1517 comp ? SSL_COMP_get_name(comp) : "NONE");
1518 BIO_printf(bio,"Expansion: %s\n",
1519 expansion ? SSL_COMP_get_name(expansion) : "NONE");
1521 SSL_SESSION_print(bio,SSL_get_session(s));
1522 BIO_printf(bio,"---\n");
1525 /* flush, or debugging output gets mixed with http response */
1526 (void)BIO_flush(bio);
1529 #ifndef OPENSSL_NO_TLSEXT
1531 static int ocsp_resp_cb(SSL *s, void *arg)
1533 const unsigned char *p;
1536 len = SSL_get_tlsext_status_ocsp_resp(s, &p);
1537 BIO_puts(arg, "OCSP response: ");
1540 BIO_puts(arg, "no response sent\n");
1543 rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
1546 BIO_puts(arg, "response parse error\n");
1547 BIO_dump_indent(arg, (char *)p, len, 4);
1550 BIO_puts(arg, "\n======================================\n");
1551 OCSP_RESPONSE_print(arg, rsp, 0);
1552 BIO_puts(arg, "======================================\n");
1553 OCSP_RESPONSE_free(rsp);
1556 #endif /* ndef OPENSSL_NO_TLSEXT */