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;
320 char *ssl_client_engine_id=NULL;
321 ENGINE *e=NULL, *ssl_client_engine=NULL;
323 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
327 #ifndef OPENSSL_NO_TLSEXT
328 char *servername = NULL;
329 tlsextctx tlsextcbp =
332 char *sess_in = NULL;
333 char *sess_out = NULL;
334 struct sockaddr peer;
335 int peerlen = sizeof(peer);
336 int enable_timeouts = 0 ;
339 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
340 meth=SSLv23_client_method();
341 #elif !defined(OPENSSL_NO_SSL3)
342 meth=SSLv3_client_method();
343 #elif !defined(OPENSSL_NO_SSL2)
344 meth=SSLv2_client_method();
356 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
358 if (!load_config(bio_err, NULL))
361 if ( ((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
362 ((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
363 ((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL))
365 BIO_printf(bio_err,"out of memory\n");
370 verify_error=X509_V_OK;
379 if (strcmp(*argv,"-host") == 0)
381 if (--argc < 1) goto bad;
384 else if (strcmp(*argv,"-port") == 0)
386 if (--argc < 1) goto bad;
387 port=atoi(*(++argv));
388 if (port == 0) goto bad;
390 else if (strcmp(*argv,"-connect") == 0)
392 if (--argc < 1) goto bad;
393 if (!extract_host_port(*(++argv),&host,NULL,&port))
396 else if (strcmp(*argv,"-verify") == 0)
398 verify=SSL_VERIFY_PEER;
399 if (--argc < 1) goto bad;
400 verify_depth=atoi(*(++argv));
401 BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
403 else if (strcmp(*argv,"-cert") == 0)
405 if (--argc < 1) goto bad;
406 cert_file= *(++argv);
408 else if (strcmp(*argv,"-sess_out") == 0)
410 if (--argc < 1) goto bad;
411 sess_out = *(++argv);
413 else if (strcmp(*argv,"-sess_in") == 0)
415 if (--argc < 1) goto bad;
418 else if (strcmp(*argv,"-certform") == 0)
420 if (--argc < 1) goto bad;
421 cert_format = str2fmt(*(++argv));
423 else if (strcmp(*argv,"-crl_check") == 0)
424 vflags |= X509_V_FLAG_CRL_CHECK;
425 else if (strcmp(*argv,"-crl_check_all") == 0)
426 vflags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;
427 else if (strcmp(*argv,"-prexit") == 0)
429 else if (strcmp(*argv,"-crlf") == 0)
431 else if (strcmp(*argv,"-quiet") == 0)
436 else if (strcmp(*argv,"-ign_eof") == 0)
438 else if (strcmp(*argv,"-pause") == 0)
440 else if (strcmp(*argv,"-debug") == 0)
442 #ifndef OPENSSL_NO_TLSEXT
443 else if (strcmp(*argv,"-tlsextdebug") == 0)
445 else if (strcmp(*argv,"-status") == 0)
449 else if (strcmp(*argv,"-wdebug") == 0)
452 else if (strcmp(*argv,"-msg") == 0)
454 else if (strcmp(*argv,"-showcerts") == 0)
456 else if (strcmp(*argv,"-nbio_test") == 0)
458 else if (strcmp(*argv,"-state") == 0)
460 #ifndef OPENSSL_NO_SSL2
461 else if (strcmp(*argv,"-ssl2") == 0)
462 meth=SSLv2_client_method();
464 #ifndef OPENSSL_NO_SSL3
465 else if (strcmp(*argv,"-ssl3") == 0)
466 meth=SSLv3_client_method();
468 #ifndef OPENSSL_NO_TLS1
469 else if (strcmp(*argv,"-tls1") == 0)
470 meth=TLSv1_client_method();
472 #ifndef OPENSSL_NO_DTLS1
473 else if (strcmp(*argv,"-dtls1") == 0)
475 meth=DTLSv1_client_method();
476 sock_type=SOCK_DGRAM;
478 else if (strcmp(*argv,"-timeout") == 0)
480 else if (strcmp(*argv,"-mtu") == 0)
482 if (--argc < 1) goto bad;
483 mtu = atol(*(++argv));
486 else if (strcmp(*argv,"-bugs") == 0)
488 else if (strcmp(*argv,"-keyform") == 0)
490 if (--argc < 1) goto bad;
491 key_format = str2fmt(*(++argv));
493 else if (strcmp(*argv,"-pass") == 0)
495 if (--argc < 1) goto bad;
498 else if (strcmp(*argv,"-key") == 0)
500 if (--argc < 1) goto bad;
503 else if (strcmp(*argv,"-reconnect") == 0)
507 else if (strcmp(*argv,"-CApath") == 0)
509 if (--argc < 1) goto bad;
512 else if (strcmp(*argv,"-CAfile") == 0)
514 if (--argc < 1) goto bad;
517 else if (strcmp(*argv,"-no_tls1") == 0)
518 off|=SSL_OP_NO_TLSv1;
519 else if (strcmp(*argv,"-no_ssl3") == 0)
520 off|=SSL_OP_NO_SSLv3;
521 else if (strcmp(*argv,"-no_ssl2") == 0)
522 off|=SSL_OP_NO_SSLv2;
523 #ifndef OPENSSL_NO_TLSEXT
524 else if (strcmp(*argv,"-no_ticket") == 0)
525 { off|=SSL_OP_NO_TICKET; }
527 else if (strcmp(*argv,"-serverpref") == 0)
528 off|=SSL_OP_CIPHER_SERVER_PREFERENCE;
529 else if (strcmp(*argv,"-cipher") == 0)
531 if (--argc < 1) goto bad;
535 else if (strcmp(*argv,"-nbio") == 0)
538 else if (strcmp(*argv,"-starttls") == 0)
540 if (--argc < 1) goto bad;
542 if (strcmp(*argv,"smtp") == 0)
543 starttls_proto = PROTO_SMTP;
544 else if (strcmp(*argv,"pop3") == 0)
545 starttls_proto = PROTO_POP3;
546 else if (strcmp(*argv,"imap") == 0)
547 starttls_proto = PROTO_IMAP;
548 else if (strcmp(*argv,"ftp") == 0)
549 starttls_proto = PROTO_FTP;
553 #ifndef OPENSSL_NO_ENGINE
554 else if (strcmp(*argv,"-engine") == 0)
556 if (--argc < 1) goto bad;
557 engine_id = *(++argv);
559 else if (strcmp(*argv,"-ssl_client_engine") == 0)
561 if (--argc < 1) goto bad;
562 ssl_client_engine_id = *(++argv);
565 else if (strcmp(*argv,"-rand") == 0)
567 if (--argc < 1) goto bad;
570 #ifndef OPENSSL_NO_TLSEXT
571 else if (strcmp(*argv,"-servername") == 0)
573 if (--argc < 1) goto bad;
574 servername= *(++argv);
575 /* meth=TLSv1_client_method(); */
580 BIO_printf(bio_err,"unknown option %s\n",*argv);
594 OpenSSL_add_ssl_algorithms();
595 SSL_load_error_strings();
597 #ifndef OPENSSL_NO_ENGINE
598 e = setup_engine(bio_err, engine_id, 1);
599 if (ssl_client_engine_id)
601 ssl_client_engine = ENGINE_by_id(ssl_client_engine_id);
602 if (!ssl_client_engine)
605 "Error getting client auth engine\n");
610 if (!app_passwd(bio_err, passarg, NULL, &pass, NULL))
612 BIO_printf(bio_err, "Error getting password\n");
616 if (key_file == NULL)
617 key_file = cert_file;
624 key = load_key(bio_err, key_file, key_format, 0, pass, e,
625 "client certificate private key file");
628 ERR_print_errors(bio_err);
637 cert = load_cert(bio_err,cert_file,cert_format,
638 NULL, e, "client certificate file");
642 ERR_print_errors(bio_err);
647 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
650 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
653 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
654 app_RAND_load_files(inrand));
656 if (bio_c_out == NULL)
658 if (c_quiet && !c_debug && !c_msg)
660 bio_c_out=BIO_new(BIO_s_null());
664 if (bio_c_out == NULL)
665 bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE);
669 ctx=SSL_CTX_new(meth);
672 ERR_print_errors(bio_err);
676 #ifndef OPENSSL_NO_ENGINE
677 if (ssl_client_engine)
679 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine))
681 BIO_puts(bio_err, "Error setting client auth engine\n");
682 ERR_print_errors(bio_err);
683 ENGINE_free(ssl_client_engine);
686 ENGINE_free(ssl_client_engine);
691 SSL_CTX_set_options(ctx,SSL_OP_ALL|off);
693 SSL_CTX_set_options(ctx,off);
694 /* DTLS: partial reads end up discarding unread UDP bytes :-(
695 * Setting read ahead solves this problem.
697 if (sock_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
699 if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
701 if(!SSL_CTX_set_cipher_list(ctx,cipher)) {
702 BIO_printf(bio_err,"error setting cipher list\n");
703 ERR_print_errors(bio_err);
708 SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER"));
711 SSL_CTX_set_verify(ctx,verify,verify_callback);
712 if (!set_cert_key_stuff(ctx,cert,key))
715 if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
716 (!SSL_CTX_set_default_verify_paths(ctx)))
718 /* BIO_printf(bio_err,"error setting default verify locations\n"); */
719 ERR_print_errors(bio_err);
723 store = SSL_CTX_get_cert_store(ctx);
724 X509_STORE_set_flags(store, vflags);
725 #ifndef OPENSSL_NO_TLSEXT
726 if (servername != NULL)
728 tlsextcbp.biodebug = bio_err;
729 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
730 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
738 BIO *stmp = BIO_new_file(sess_in, "r");
741 BIO_printf(bio_err, "Can't open session file %s\n",
743 ERR_print_errors(bio_err);
746 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
750 BIO_printf(bio_err, "Can't open session file %s\n",
752 ERR_print_errors(bio_err);
755 SSL_set_session(con, sess);
756 SSL_SESSION_free(sess);
758 #ifndef OPENSSL_NO_TLSEXT
759 if (servername != NULL)
761 if (!SSL_set_tlsext_host_name(con,servername))
763 BIO_printf(bio_err,"Unable to set TLS servername extension.\n");
764 ERR_print_errors(bio_err);
770 #ifndef OPENSSL_NO_KRB5
771 if (con && (con->kssl_ctx = kssl_ctx_new()) != NULL)
773 kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVER, host);
775 #endif /* OPENSSL_NO_KRB5 */
776 /* SSL_set_cipher_list(con,"RC4-MD5"); */
780 if (init_client(&s,host,port,sock_type) == 0)
782 BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error());
786 BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s);
792 BIO_printf(bio_c_out,"turning on non blocking io\n");
793 if (BIO_socket_ioctl(s,FIONBIO,&l) < 0)
795 ERR_print_errors(bio_err);
800 if (c_Pause & 0x01) con->debug=1;
802 if ( SSL_version(con) == DTLS1_VERSION)
804 struct timeval timeout;
806 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
807 if (getsockname(s, &peer, (void *)&peerlen) < 0)
809 BIO_printf(bio_err, "getsockname:errno=%d\n",
810 get_last_socket_error());
815 (void)BIO_ctrl_set_connected(sbio, 1, &peer);
817 if ( enable_timeouts)
820 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
821 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
824 timeout.tv_usec = DGRAM_SND_TIMEOUT;
825 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
830 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
831 SSL_set_mtu(con, mtu);
834 /* want to do MTU discovery */
835 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
838 sbio=BIO_new_socket(s,BIO_NOCLOSE);
846 test=BIO_new(BIO_f_nbio_test());
847 sbio=BIO_push(test,sbio);
853 BIO_set_callback(sbio,bio_dump_callback);
854 BIO_set_callback_arg(sbio,(char *)bio_c_out);
858 SSL_set_msg_callback(con, msg_cb);
859 SSL_set_msg_callback_arg(con, bio_c_out);
861 #ifndef OPENSSL_NO_TLSEXT
864 SSL_set_tlsext_debug_callback(con, tlsext_cb);
865 SSL_set_tlsext_debug_arg(con, bio_c_out);
869 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
870 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
871 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
874 STACK_OF(OCSP_RESPID) *ids = sk_OCSP_RESPID_new_null();
875 OCSP_RESPID *id = OCSP_RESPID_new();
876 id->value.byKey = ASN1_OCTET_STRING_new();
877 id->type = V_OCSP_RESPID_KEY;
878 ASN1_STRING_set(id->value.byKey, "Hello World", -1);
879 sk_OCSP_RESPID_push(ids, id);
880 SSL_set_tlsext_status_ids(con, ids);
886 SSL_set_bio(con,sbio,sbio);
887 SSL_set_connect_state(con);
889 /* ok, lets connect */
890 width=SSL_get_fd(con)+1;
903 /* This is an ugly hack that does a lot of assumptions */
904 /* We do have to handle multi-line responses which may come
905 in a single packet or not. We therefore have to use
906 BIO_gets() which does need a buffering BIO. So during
907 the initial chitchat we do push a buffering BIO into the
908 chain that is removed again later on to not disturb the
909 rest of the s_client operation. */
910 if (starttls_proto == PROTO_SMTP)
913 BIO *fbio = BIO_new(BIO_f_buffer());
914 BIO_push(fbio, sbio);
915 /* wait for multi-line response to end from SMTP */
918 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
920 while (mbuf_len>3 && mbuf[3]=='-');
921 /* STARTTLS command requires EHLO... */
922 BIO_printf(fbio,"EHLO openssl.client.net\r\n");
923 (void)BIO_flush(fbio);
924 /* wait for multi-line response to end EHLO SMTP response */
927 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
928 if (strstr(mbuf,"STARTTLS"))
931 while (mbuf_len>3 && mbuf[3]=='-');
932 (void)BIO_flush(fbio);
937 "didn't found starttls in server response,"
939 BIO_printf(sbio,"STARTTLS\r\n");
940 BIO_read(sbio,sbuf,BUFSIZZ);
942 else if (starttls_proto == PROTO_POP3)
944 BIO_read(sbio,mbuf,BUFSIZZ);
945 BIO_printf(sbio,"STLS\r\n");
946 BIO_read(sbio,sbuf,BUFSIZZ);
948 else if (starttls_proto == PROTO_IMAP)
951 BIO *fbio = BIO_new(BIO_f_buffer());
952 BIO_push(fbio, sbio);
953 BIO_gets(fbio,mbuf,BUFSIZZ);
954 /* STARTTLS command requires CAPABILITY... */
955 BIO_printf(fbio,". CAPABILITY\r\n");
956 (void)BIO_flush(fbio);
957 /* wait for multi-line CAPABILITY response */
960 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
961 if (strstr(mbuf,"STARTTLS"))
964 while (mbuf_len>3 && mbuf[0]!='.');
965 (void)BIO_flush(fbio);
970 "didn't found STARTTLS in server response,"
972 BIO_printf(sbio,". STARTTLS\r\n");
973 BIO_read(sbio,sbuf,BUFSIZZ);
975 else if (starttls_proto == PROTO_FTP)
977 BIO *fbio = BIO_new(BIO_f_buffer());
978 BIO_push(fbio, sbio);
979 /* wait for multi-line response to end from FTP */
982 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
984 while (mbuf_len>3 && mbuf[3]=='-');
985 (void)BIO_flush(fbio);
988 BIO_printf(sbio,"AUTH TLS\r\n");
989 BIO_read(sbio,sbuf,BUFSIZZ);
997 if (SSL_in_init(con) && !SSL_total_renegotiations(con))
1010 BIO *stmp = BIO_new_file(sess_out, "w");
1013 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));
1017 BIO_printf(bio_err, "Error writing session file %s\n", sess_out);
1019 print_stuff(bio_c_out,con,full_log);
1020 if (full_log > 0) full_log--;
1024 BIO_printf(bio_err,"%s",mbuf);
1025 /* We don't need to know any more */
1026 starttls_proto = PROTO_OFF;
1032 BIO_printf(bio_c_out,"drop connection and then reconnect\n");
1034 SSL_set_connect_state(con);
1035 SHUTDOWN(SSL_get_fd(con));
1041 ssl_pending = read_ssl && SSL_pending(con);
1045 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE)
1048 if (read_tty) FD_SET(fileno(stdin),&readfds);
1049 if (write_tty) FD_SET(fileno(stdout),&writefds);
1052 FD_SET(SSL_get_fd(con),&readfds);
1054 FD_SET(SSL_get_fd(con),&writefds);
1056 if(!tty_on || !write_tty) {
1058 FD_SET(SSL_get_fd(con),&readfds);
1060 FD_SET(SSL_get_fd(con),&writefds);
1063 /* printf("mode tty(%d %d%d) ssl(%d%d)\n",
1064 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
1066 /* Note: under VMS with SOCKETSHR the second parameter
1067 * is currently of type (int *) whereas under other
1068 * systems it is (void *) if you don't have a cast it
1069 * will choke the compiler: if you do have a cast then
1070 * you can either go for (int *) or (void *).
1072 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1073 /* Under Windows/DOS we make the assumption that we can
1074 * always write to the tty: therefore if we need to
1075 * write to the tty we just fall through. Otherwise
1076 * we timeout the select every second and see if there
1077 * are any keypresses. Note: this is a hack, in a proper
1078 * Windows application we wouldn't do this.
1085 i=select(width,(void *)&readfds,(void *)&writefds,
1087 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1088 if(!i && (!_kbhit() || !read_tty) ) continue;
1090 if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue;
1092 } else i=select(width,(void *)&readfds,(void *)&writefds,
1095 #elif defined(OPENSSL_SYS_NETWARE)
1100 i=select(width,(void *)&readfds,(void *)&writefds,
1102 } else i=select(width,(void *)&readfds,(void *)&writefds,
1106 i=select(width,(void *)&readfds,(void *)&writefds,
1111 BIO_printf(bio_err,"bad select %d\n",
1112 get_last_socket_error());
1118 if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds))
1120 k=SSL_write(con,&(cbuf[cbuf_off]),
1121 (unsigned int)cbuf_len);
1122 switch (SSL_get_error(con,k))
1124 case SSL_ERROR_NONE:
1127 if (k <= 0) goto end;
1128 /* we have done a write(con,NULL,0); */
1134 else /* if (cbuf_len > 0) */
1140 case SSL_ERROR_WANT_WRITE:
1141 BIO_printf(bio_c_out,"write W BLOCK\n");
1145 case SSL_ERROR_WANT_READ:
1146 BIO_printf(bio_c_out,"write R BLOCK\n");
1151 case SSL_ERROR_WANT_X509_LOOKUP:
1152 BIO_printf(bio_c_out,"write X BLOCK\n");
1154 case SSL_ERROR_ZERO_RETURN:
1157 BIO_printf(bio_c_out,"shutdown\n");
1167 case SSL_ERROR_SYSCALL:
1168 if ((k != 0) || (cbuf_len != 0))
1170 BIO_printf(bio_err,"write:errno=%d\n",
1171 get_last_socket_error());
1181 ERR_print_errors(bio_err);
1185 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
1186 /* Assume Windows/DOS can always write */
1187 else if (!ssl_pending && write_tty)
1189 else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds))
1192 #ifdef CHARSET_EBCDIC
1193 ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len);
1195 i=write(fileno(stdout),&(sbuf[sbuf_off]),sbuf_len);
1199 BIO_printf(bio_c_out,"DONE\n");
1212 else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds))
1215 { static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } }
1218 k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ );
1220 /* Demo for pending and peek :-) */
1221 k=SSL_read(con,sbuf,16);
1223 printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240));
1227 switch (SSL_get_error(con,k))
1229 case SSL_ERROR_NONE:
1238 case SSL_ERROR_WANT_WRITE:
1239 BIO_printf(bio_c_out,"read W BLOCK\n");
1243 case SSL_ERROR_WANT_READ:
1244 BIO_printf(bio_c_out,"read R BLOCK\n");
1247 if ((read_tty == 0) && (write_ssl == 0))
1250 case SSL_ERROR_WANT_X509_LOOKUP:
1251 BIO_printf(bio_c_out,"read X BLOCK\n");
1253 case SSL_ERROR_SYSCALL:
1254 BIO_printf(bio_err,"read:errno=%d\n",get_last_socket_error());
1256 case SSL_ERROR_ZERO_RETURN:
1257 BIO_printf(bio_c_out,"closed\n");
1260 ERR_print_errors(bio_err);
1266 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1267 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1270 else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
1272 #elif defined (OPENSSL_SYS_NETWARE)
1275 else if (FD_ISSET(fileno(stdin),&readfds))
1282 i=read(fileno(stdin),cbuf,BUFSIZZ/2);
1284 /* both loops are skipped when i <= 0 */
1285 for (j = 0; j < i; j++)
1286 if (cbuf[j] == '\n')
1288 for (j = i-1; j >= 0; j--)
1290 cbuf[j+lf_num] = cbuf[j];
1291 if (cbuf[j] == '\n')
1295 cbuf[j+lf_num] = '\r';
1298 assert(lf_num == 0);
1301 i=read(fileno(stdin),cbuf,BUFSIZZ);
1303 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q')))
1305 BIO_printf(bio_err,"DONE\n");
1309 if ((!c_ign_eof) && (cbuf[0] == 'R'))
1311 BIO_printf(bio_err,"RENEGOTIATING\n");
1312 SSL_renegotiate(con);
1319 #ifdef CHARSET_EBCDIC
1320 ebcdic2ascii(cbuf, cbuf, i);
1330 SHUTDOWN(SSL_get_fd(con));
1333 if(prexit) print_stuff(bio_c_out,con,1);
1334 if (con != NULL) SSL_free(con);
1335 if (con2 != NULL) SSL_free(con2);
1336 if (ctx != NULL) SSL_CTX_free(ctx);
1343 if (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); }
1344 if (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); }
1345 if (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); }
1346 if (bio_c_out != NULL)
1348 BIO_free(bio_c_out);
1356 static void print_stuff(BIO *bio, SSL *s, int full)
1360 static const char *space=" ";
1363 STACK_OF(X509_NAME) *sk2;
1367 #ifndef OPENSSL_NO_COMP
1368 const COMP_METHOD *comp, *expansion;
1373 int got_a_chain = 0;
1375 sk=SSL_get_peer_cert_chain(s);
1378 got_a_chain = 1; /* we don't have it for SSL2 (yet) */
1380 BIO_printf(bio,"---\nCertificate chain\n");
1381 for (i=0; i<sk_X509_num(sk); i++)
1383 X509_NAME_oneline(X509_get_subject_name(
1384 sk_X509_value(sk,i)),buf,sizeof buf);
1385 BIO_printf(bio,"%2d s:%s\n",i,buf);
1386 X509_NAME_oneline(X509_get_issuer_name(
1387 sk_X509_value(sk,i)),buf,sizeof buf);
1388 BIO_printf(bio," i:%s\n",buf);
1390 PEM_write_bio_X509(bio,sk_X509_value(sk,i));
1394 BIO_printf(bio,"---\n");
1395 peer=SSL_get_peer_certificate(s);
1398 BIO_printf(bio,"Server certificate\n");
1399 if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */
1400 PEM_write_bio_X509(bio,peer);
1401 X509_NAME_oneline(X509_get_subject_name(peer),
1403 BIO_printf(bio,"subject=%s\n",buf);
1404 X509_NAME_oneline(X509_get_issuer_name(peer),
1406 BIO_printf(bio,"issuer=%s\n",buf);
1409 BIO_printf(bio,"no peer certificate available\n");
1411 sk2=SSL_get_client_CA_list(s);
1412 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0))
1414 BIO_printf(bio,"---\nAcceptable client certificate CA names\n");
1415 for (i=0; i<sk_X509_NAME_num(sk2); i++)
1417 xn=sk_X509_NAME_value(sk2,i);
1418 X509_NAME_oneline(xn,buf,sizeof(buf));
1419 BIO_write(bio,buf,strlen(buf));
1420 BIO_write(bio,"\n",1);
1425 BIO_printf(bio,"---\nNo client certificate CA names sent\n");
1427 p=SSL_get_shared_ciphers(s,buf,sizeof buf);
1430 /* This works only for SSL 2. In later protocol
1431 * versions, the client does not know what other
1432 * ciphers (in addition to the one to be used
1433 * in the current connection) the server supports. */
1435 BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n");
1441 BIO_write(bio,space,15-j%25);
1444 BIO_write(bio,((i%3)?" ":"\n"),1);
1453 BIO_write(bio,"\n",1);
1456 BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n",
1457 BIO_number_read(SSL_get_rbio(s)),
1458 BIO_number_written(SSL_get_wbio(s)));
1460 BIO_printf(bio,((s->hit)?"---\nReused, ":"---\nNew, "));
1461 c=SSL_get_current_cipher(s);
1462 BIO_printf(bio,"%s, Cipher is %s\n",
1463 SSL_CIPHER_get_version(c),
1464 SSL_CIPHER_get_name(c));
1467 pktmp = X509_get_pubkey(peer);
1468 BIO_printf(bio,"Server public key is %d bit\n",
1469 EVP_PKEY_bits(pktmp));
1470 EVP_PKEY_free(pktmp);
1472 #ifndef OPENSSL_NO_COMP
1473 comp=SSL_get_current_compression(s);
1474 expansion=SSL_get_current_expansion(s);
1475 BIO_printf(bio,"Compression: %s\n",
1476 comp ? SSL_COMP_get_name(comp) : "NONE");
1477 BIO_printf(bio,"Expansion: %s\n",
1478 expansion ? SSL_COMP_get_name(expansion) : "NONE");
1480 SSL_SESSION_print(bio,SSL_get_session(s));
1481 BIO_printf(bio,"---\n");
1484 /* flush, or debugging output gets mixed with http response */
1485 (void)BIO_flush(bio);
1488 #ifndef OPENSSL_NO_TLSEXT
1490 static int ocsp_resp_cb(SSL *s, void *arg)
1492 const unsigned char *p;
1495 len = SSL_get_tlsext_status_ocsp_resp(s, &p);
1496 BIO_puts(arg, "OCSP response: ");
1499 BIO_puts(arg, "no response sent\n");
1502 rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
1505 BIO_puts(arg, "response parse error\n");
1506 BIO_dump_indent(arg, (char *)p, len, 4);
1509 BIO_puts(arg, "\n======================================\n");
1510 OCSP_RESPONSE_print(arg, rsp, 0);
1511 BIO_puts(arg, "======================================\n");
1512 OCSP_RESPONSE_free(rsp);
1515 #endif /* ndef OPENSSL_NO_TLSEXT */