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) 1998-2006 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>
138 #include "timeouts.h"
140 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
141 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
146 #define PROG s_client_main
148 /*#define SSL_HOST_NAME "www.netscape.com" */
149 /*#define SSL_HOST_NAME "193.118.187.102" */
150 #define SSL_HOST_NAME "localhost"
152 /*#define TEST_CERT "client.pem" */ /* no default cert. */
155 #define BUFSIZZ 1024*8
157 extern int verify_depth;
158 extern int verify_error;
163 static int c_Pause=0;
164 static int c_debug=0;
166 static int c_showcerts=0;
168 static void sc_usage(void);
169 static void print_stuff(BIO *berr,SSL *con,int full);
170 static BIO *bio_c_out=NULL;
171 static int c_quiet=0;
172 static int c_ign_eof=0;
174 static void sc_usage(void)
176 BIO_printf(bio_err,"usage: s_client args\n");
177 BIO_printf(bio_err,"\n");
178 BIO_printf(bio_err," -host host - use -connect instead\n");
179 BIO_printf(bio_err," -port port - use -connect instead\n");
180 BIO_printf(bio_err," -connect host:port - who to connect to (default is %s:%s)\n",SSL_HOST_NAME,PORT_STR);
182 BIO_printf(bio_err," -verify arg - turn on peer certificate verification\n");
183 BIO_printf(bio_err," -cert arg - certificate file to use, PEM format assumed\n");
184 BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
185 BIO_printf(bio_err," -key arg - Private key file to use, in cert file if\n");
186 BIO_printf(bio_err," not specified but cert file is.\n");
187 BIO_printf(bio_err," -keyform arg - key format (PEM or DER) PEM default\n");
188 BIO_printf(bio_err," -pass arg - private key file pass phrase source\n");
189 BIO_printf(bio_err," -CApath arg - PEM format directory of CA's\n");
190 BIO_printf(bio_err," -CAfile arg - PEM format file of CA's\n");
191 BIO_printf(bio_err," -reconnect - Drop and re-make the connection with the same Session-ID\n");
192 BIO_printf(bio_err," -pause - sleep(1) after each read(2) and write(2) system call\n");
193 BIO_printf(bio_err," -showcerts - show all certificates in the chain\n");
194 BIO_printf(bio_err," -debug - extra output\n");
196 BIO_printf(bio_err," -wdebug - WATT-32 tcp debugging\n");
198 BIO_printf(bio_err," -msg - Show protocol messages\n");
199 BIO_printf(bio_err," -nbio_test - more ssl protocol testing\n");
200 BIO_printf(bio_err," -state - print the 'ssl' states\n");
202 BIO_printf(bio_err," -nbio - Run with non-blocking IO\n");
204 BIO_printf(bio_err," -crlf - convert LF from terminal into CRLF\n");
205 BIO_printf(bio_err," -quiet - no s_client output\n");
206 BIO_printf(bio_err," -ign_eof - ignore input eof (default when -quiet)\n");
207 BIO_printf(bio_err," -ssl2 - just use SSLv2\n");
208 BIO_printf(bio_err," -ssl3 - just use SSLv3\n");
209 BIO_printf(bio_err," -tls1 - just use TLSv1\n");
210 BIO_printf(bio_err," -dtls1 - just use DTLSv1\n");
211 BIO_printf(bio_err," -mtu - set the MTU\n");
212 BIO_printf(bio_err," -no_tls1/-no_ssl3/-no_ssl2 - turn off that protocol\n");
213 BIO_printf(bio_err," -bugs - Switch on all SSL implementation bug workarounds\n");
214 BIO_printf(bio_err," -serverpref - Use server's cipher preferences (only SSLv2)\n");
215 BIO_printf(bio_err," -cipher - preferred cipher to use, use the 'openssl ciphers'\n");
216 BIO_printf(bio_err," command to see what is available\n");
217 BIO_printf(bio_err," -starttls prot - use the STARTTLS command before starting TLS\n");
218 BIO_printf(bio_err," for those protocols that support it, where\n");
219 BIO_printf(bio_err," 'prot' defines which one to assume. Currently,\n");
220 BIO_printf(bio_err," only \"smtp\" and \"pop3\" are supported.\n");
221 #ifndef OPENSSL_NO_ENGINE
222 BIO_printf(bio_err," -engine id - Initialise and use the specified engine\n");
224 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
225 #ifndef OPENSSL_NO_TLSEXT
226 BIO_printf(bio_err," -servername host - Set TLS extension servername in ClientHello\n");
230 #ifndef OPENSSL_NO_TLSEXT
232 /* This is a context that we pass to callbacks */
233 typedef struct tlsextctx_st {
239 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
241 tlsextctx * p = (tlsextctx *) arg;
242 const char * hn= SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
243 if (SSL_get_servername_type(s) != -1)
244 p->ack = !SSL_session_reused(s) && hn != NULL;
246 BIO_printf(bio_err,"Can't use SSL_get_servername\n");
248 return SSL_ERROR_NONE;
252 int MAIN(int, char **);
254 int MAIN(int argc, char **argv)
257 SSL *con=NULL,*con2=NULL;
258 X509_STORE *store = NULL;
259 int s,k,width,state=0;
260 char *cbuf=NULL,*sbuf=NULL,*mbuf=NULL;
261 int cbuf_len,cbuf_off;
262 int sbuf_len,sbuf_off;
263 fd_set readfds,writefds;
266 char *host=SSL_HOST_NAME;
267 char *cert_file=NULL,*key_file=NULL;
268 int cert_format = FORMAT_PEM, key_format = FORMAT_PEM;
269 char *passarg = NULL, *pass = NULL;
271 EVP_PKEY *key = NULL;
272 char *CApath=NULL,*CAfile=NULL,*cipher=NULL;
273 int reconnect=0,badop=0,verify=SSL_VERIFY_NONE,bugs=0;
275 int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending;
277 int ret=1,in_init=1,i,nbio_test=0;
278 int starttls_proto = 0;
279 int prexit = 0, vflags = 0;
280 const SSL_METHOD *meth=NULL;
281 int socket_type=SOCK_STREAM;
284 #ifndef OPENSSL_NO_ENGINE
285 char *engine_id=NULL;
288 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
292 #ifndef OPENSSL_NO_TLSEXT
293 char *servername = NULL;
294 tlsextctx tlsextcbp =
297 struct sockaddr peer;
298 int peerlen = sizeof(peer);
299 int enable_timeouts = 0 ;
302 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
303 meth=SSLv23_client_method();
304 #elif !defined(OPENSSL_NO_SSL3)
305 meth=SSLv3_client_method();
306 #elif !defined(OPENSSL_NO_SSL2)
307 meth=SSLv2_client_method();
319 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
321 if (!load_config(bio_err, NULL))
324 if ( ((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
325 ((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
326 ((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL))
328 BIO_printf(bio_err,"out of memory\n");
333 verify_error=X509_V_OK;
342 if (strcmp(*argv,"-host") == 0)
344 if (--argc < 1) goto bad;
347 else if (strcmp(*argv,"-port") == 0)
349 if (--argc < 1) goto bad;
350 port=atoi(*(++argv));
351 if (port == 0) goto bad;
353 else if (strcmp(*argv,"-connect") == 0)
355 if (--argc < 1) goto bad;
356 if (!extract_host_port(*(++argv),&host,NULL,&port))
359 else if (strcmp(*argv,"-verify") == 0)
361 verify=SSL_VERIFY_PEER;
362 if (--argc < 1) goto bad;
363 verify_depth=atoi(*(++argv));
364 BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
366 else if (strcmp(*argv,"-cert") == 0)
368 if (--argc < 1) goto bad;
369 cert_file= *(++argv);
371 else if (strcmp(*argv,"-certform") == 0)
373 if (--argc < 1) goto bad;
374 cert_format = str2fmt(*(++argv));
376 else if (strcmp(*argv,"-crl_check") == 0)
377 vflags |= X509_V_FLAG_CRL_CHECK;
378 else if (strcmp(*argv,"-crl_check_all") == 0)
379 vflags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;
380 else if (strcmp(*argv,"-prexit") == 0)
382 else if (strcmp(*argv,"-crlf") == 0)
384 else if (strcmp(*argv,"-quiet") == 0)
389 else if (strcmp(*argv,"-ign_eof") == 0)
391 else if (strcmp(*argv,"-pause") == 0)
393 else if (strcmp(*argv,"-debug") == 0)
396 else if (strcmp(*argv,"-wdebug") == 0)
399 else if (strcmp(*argv,"-msg") == 0)
401 else if (strcmp(*argv,"-showcerts") == 0)
403 else if (strcmp(*argv,"-nbio_test") == 0)
405 else if (strcmp(*argv,"-state") == 0)
407 #ifndef OPENSSL_NO_SSL2
408 else if (strcmp(*argv,"-ssl2") == 0)
409 meth=SSLv2_client_method();
411 #ifndef OPENSSL_NO_SSL3
412 else if (strcmp(*argv,"-ssl3") == 0)
413 meth=SSLv3_client_method();
415 #ifndef OPENSSL_NO_TLS1
416 else if (strcmp(*argv,"-tls1") == 0)
417 meth=TLSv1_client_method();
419 #ifndef OPENSSL_NO_DTLS1
420 else if (strcmp(*argv,"-dtls1") == 0)
422 meth=DTLSv1_client_method();
423 socket_type=SOCK_DGRAM;
425 else if (strcmp(*argv,"-timeout") == 0)
427 else if (strcmp(*argv,"-mtu") == 0)
429 if (--argc < 1) goto bad;
430 socket_mtu = atol(*(++argv));
433 else if (strcmp(*argv,"-bugs") == 0)
435 else if (strcmp(*argv,"-keyform") == 0)
437 if (--argc < 1) goto bad;
438 key_format = str2fmt(*(++argv));
440 else if (strcmp(*argv,"-pass") == 0)
442 if (--argc < 1) goto bad;
445 else if (strcmp(*argv,"-key") == 0)
447 if (--argc < 1) goto bad;
450 else if (strcmp(*argv,"-reconnect") == 0)
454 else if (strcmp(*argv,"-CApath") == 0)
456 if (--argc < 1) goto bad;
459 else if (strcmp(*argv,"-CAfile") == 0)
461 if (--argc < 1) goto bad;
464 else if (strcmp(*argv,"-no_tls1") == 0)
465 off|=SSL_OP_NO_TLSv1;
466 else if (strcmp(*argv,"-no_ssl3") == 0)
467 off|=SSL_OP_NO_SSLv3;
468 else if (strcmp(*argv,"-no_ssl2") == 0)
469 off|=SSL_OP_NO_SSLv2;
470 else if (strcmp(*argv,"-no_comp") == 0)
471 { off|=SSL_OP_NO_COMPRESSION; }
472 else if (strcmp(*argv,"-serverpref") == 0)
473 off|=SSL_OP_CIPHER_SERVER_PREFERENCE;
474 else if (strcmp(*argv,"-cipher") == 0)
476 if (--argc < 1) goto bad;
480 else if (strcmp(*argv,"-nbio") == 0)
483 else if (strcmp(*argv,"-starttls") == 0)
485 if (--argc < 1) goto bad;
487 if (strcmp(*argv,"smtp") == 0)
489 else if (strcmp(*argv,"pop3") == 0)
494 #ifndef OPENSSL_NO_ENGINE
495 else if (strcmp(*argv,"-engine") == 0)
497 if (--argc < 1) goto bad;
498 engine_id = *(++argv);
501 else if (strcmp(*argv,"-rand") == 0)
503 if (--argc < 1) goto bad;
506 #ifndef OPENSSL_NO_TLSEXT
507 else if (strcmp(*argv,"-servername") == 0)
509 if (--argc < 1) goto bad;
510 servername= *(++argv);
511 /* meth=TLSv1_client_method(); */
516 BIO_printf(bio_err,"unknown option %s\n",*argv);
530 OpenSSL_add_ssl_algorithms();
531 SSL_load_error_strings();
533 #ifndef OPENSSL_NO_ENGINE
534 e = setup_engine(bio_err, engine_id, 1);
536 if (!app_passwd(bio_err, passarg, NULL, &pass, NULL))
538 BIO_printf(bio_err, "Error getting password\n");
542 if (key_file == NULL)
543 key_file = cert_file;
550 key = load_key(bio_err, key_file, key_format, 0, pass, e,
551 "client certificate private key file");
554 ERR_print_errors(bio_err);
563 cert = load_cert(bio_err,cert_file,cert_format,
564 NULL, e, "client certificate file");
568 ERR_print_errors(bio_err);
573 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
576 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
579 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
580 app_RAND_load_files(inrand));
582 if (bio_c_out == NULL)
584 if (c_quiet && !c_debug && !c_msg)
586 bio_c_out=BIO_new(BIO_s_null());
590 if (bio_c_out == NULL)
591 bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE);
595 ctx=SSL_CTX_new(meth);
598 ERR_print_errors(bio_err);
603 SSL_CTX_set_options(ctx,SSL_OP_ALL|off);
605 SSL_CTX_set_options(ctx,off);
606 /* DTLS: partial reads end up discarding unread UDP bytes :-(
607 * Setting read ahead solves this problem.
609 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
611 if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
613 if(!SSL_CTX_set_cipher_list(ctx,cipher)) {
614 BIO_printf(bio_err,"error setting cipher list\n");
615 ERR_print_errors(bio_err);
620 SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER"));
623 SSL_CTX_set_verify(ctx,verify,verify_callback);
624 if (!set_cert_key_stuff(ctx,cert,key))
627 if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
628 (!SSL_CTX_set_default_verify_paths(ctx)))
630 /* BIO_printf(bio_err,"error setting default verify locations\n"); */
631 ERR_print_errors(bio_err);
635 store = SSL_CTX_get_cert_store(ctx);
636 X509_STORE_set_flags(store, vflags);
637 #ifndef OPENSSL_NO_TLSEXT
638 if (servername != NULL)
640 tlsextcbp.biodebug = bio_err;
641 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
642 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
647 #ifndef OPENSSL_NO_TLSEXT
648 if (servername != NULL)
650 if (!SSL_set_tlsext_hostname(con,servername))
652 BIO_printf(bio_err,"Unable to set TLS servername extension.\n");
653 ERR_print_errors(bio_err);
658 #ifndef OPENSSL_NO_KRB5
659 if (con && (con->kssl_ctx = kssl_ctx_new()) != NULL)
661 kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVER, host);
663 #endif /* OPENSSL_NO_KRB5 */
664 /* SSL_set_cipher_list(con,"RC4-MD5"); */
668 if (init_client(&s,host,port,socket_type) == 0)
670 BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error());
674 BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s);
680 BIO_printf(bio_c_out,"turning on non blocking io\n");
681 if (BIO_socket_ioctl(s,FIONBIO,&l) < 0)
683 ERR_print_errors(bio_err);
688 if (c_Pause & 0x01) con->debug=1;
690 if ( SSL_version(con) == DTLS1_VERSION)
692 struct timeval timeout;
694 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
695 if (getsockname(s, &peer, (void *)&peerlen) < 0)
697 BIO_printf(bio_err, "getsockname:errno=%d\n",
698 get_last_socket_error());
703 BIO_ctrl_set_connected(sbio, 1, &peer);
708 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
709 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
712 timeout.tv_usec = DGRAM_SND_TIMEOUT;
713 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
718 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
719 SSL_set_mtu(con, socket_mtu);
722 /* want to do MTU discovery */
723 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
726 sbio=BIO_new_socket(s,BIO_NOCLOSE);
734 test=BIO_new(BIO_f_nbio_test());
735 sbio=BIO_push(test,sbio);
741 BIO_set_callback(sbio,bio_dump_callback);
742 BIO_set_callback_arg(sbio,bio_c_out);
746 SSL_set_msg_callback(con, msg_cb);
747 SSL_set_msg_callback_arg(con, bio_c_out);
750 SSL_set_bio(con,sbio,sbio);
751 SSL_set_connect_state(con);
753 /* ok, lets connect */
754 width=SSL_get_fd(con)+1;
767 /* This is an ugly hack that does a lot of assumptions */
768 if (starttls_proto == 1)
770 BIO_read(sbio,mbuf,BUFSIZZ);
771 BIO_printf(sbio,"STARTTLS\r\n");
772 BIO_read(sbio,sbuf,BUFSIZZ);
774 if (starttls_proto == 2)
776 BIO_read(sbio,mbuf,BUFSIZZ);
777 BIO_printf(sbio,"STLS\r\n");
778 BIO_read(sbio,sbuf,BUFSIZZ);
786 if (SSL_in_init(con) && !SSL_total_renegotiations(con))
797 #ifndef OPENSSL_NO_TLSEXT
798 if (servername != NULL && !SSL_session_reused(con))
800 BIO_printf(bio_c_out,"Server did %sacknowledge servername extension.\n",tlsextcbp.ack?"":"not ");
803 print_stuff(bio_c_out,con,full_log);
804 if (full_log > 0) full_log--;
808 BIO_printf(bio_err,"%s",mbuf);
809 /* We don't need to know any more */
816 BIO_printf(bio_c_out,"drop connection and then reconnect\n");
818 SSL_set_connect_state(con);
819 SHUTDOWN(SSL_get_fd(con));
825 ssl_pending = read_ssl && SSL_pending(con);
829 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE)
832 if (read_tty) FD_SET(fileno(stdin),&readfds);
833 if (write_tty) FD_SET(fileno(stdout),&writefds);
836 FD_SET(SSL_get_fd(con),&readfds);
838 FD_SET(SSL_get_fd(con),&writefds);
840 if(!tty_on || !write_tty) {
842 FD_SET(SSL_get_fd(con),&readfds);
844 FD_SET(SSL_get_fd(con),&writefds);
847 /* printf("mode tty(%d %d%d) ssl(%d%d)\n",
848 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
850 /* Note: under VMS with SOCKETSHR the second parameter
851 * is currently of type (int *) whereas under other
852 * systems it is (void *) if you don't have a cast it
853 * will choke the compiler: if you do have a cast then
854 * you can either go for (int *) or (void *).
856 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
857 /* Under Windows/DOS we make the assumption that we can
858 * always write to the tty: therefore if we need to
859 * write to the tty we just fall through. Otherwise
860 * we timeout the select every second and see if there
861 * are any keypresses. Note: this is a hack, in a proper
862 * Windows application we wouldn't do this.
869 i=select(width,(void *)&readfds,(void *)&writefds,
871 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
872 if(!i && (!_kbhit() || !read_tty) ) continue;
874 if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue;
876 } else i=select(width,(void *)&readfds,(void *)&writefds,
879 #elif defined(OPENSSL_SYS_NETWARE)
884 i=select(width,(void *)&readfds,(void *)&writefds,
886 } else i=select(width,(void *)&readfds,(void *)&writefds,
890 i=select(width,(void *)&readfds,(void *)&writefds,
895 BIO_printf(bio_err,"bad select %d\n",
896 get_last_socket_error());
902 if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds))
904 k=SSL_write(con,&(cbuf[cbuf_off]),
905 (unsigned int)cbuf_len);
906 switch (SSL_get_error(con,k))
911 if (k <= 0) goto end;
912 /* we have done a write(con,NULL,0); */
918 else /* if (cbuf_len > 0) */
924 case SSL_ERROR_WANT_WRITE:
925 BIO_printf(bio_c_out,"write W BLOCK\n");
929 case SSL_ERROR_WANT_READ:
930 BIO_printf(bio_c_out,"write R BLOCK\n");
935 case SSL_ERROR_WANT_X509_LOOKUP:
936 BIO_printf(bio_c_out,"write X BLOCK\n");
938 case SSL_ERROR_ZERO_RETURN:
941 BIO_printf(bio_c_out,"shutdown\n");
951 case SSL_ERROR_SYSCALL:
952 if ((k != 0) || (cbuf_len != 0))
954 BIO_printf(bio_err,"write:errno=%d\n",
955 get_last_socket_error());
965 ERR_print_errors(bio_err);
969 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
970 /* Assume Windows/DOS can always write */
971 else if (!ssl_pending && write_tty)
973 else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds))
976 #ifdef CHARSET_EBCDIC
977 ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len);
979 i=raw_write_stdout(&(sbuf[sbuf_off]),sbuf_len);
983 BIO_printf(bio_c_out,"DONE\n");
996 else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds))
999 { static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } }
1002 k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ );
1004 /* Demo for pending and peek :-) */
1005 k=SSL_read(con,sbuf,16);
1007 printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240));
1011 switch (SSL_get_error(con,k))
1013 case SSL_ERROR_NONE:
1022 case SSL_ERROR_WANT_WRITE:
1023 BIO_printf(bio_c_out,"read W BLOCK\n");
1027 case SSL_ERROR_WANT_READ:
1028 BIO_printf(bio_c_out,"read R BLOCK\n");
1031 if ((read_tty == 0) && (write_ssl == 0))
1034 case SSL_ERROR_WANT_X509_LOOKUP:
1035 BIO_printf(bio_c_out,"read X BLOCK\n");
1037 case SSL_ERROR_SYSCALL:
1038 BIO_printf(bio_err,"read:errno=%d\n",get_last_socket_error());
1040 case SSL_ERROR_ZERO_RETURN:
1041 BIO_printf(bio_c_out,"closed\n");
1044 ERR_print_errors(bio_err);
1050 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1051 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1054 else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
1056 #elif defined (OPENSSL_SYS_NETWARE)
1059 else if (FD_ISSET(fileno(stdin),&readfds))
1066 i=raw_read_stdin(cbuf,BUFSIZZ/2);
1068 /* both loops are skipped when i <= 0 */
1069 for (j = 0; j < i; j++)
1070 if (cbuf[j] == '\n')
1072 for (j = i-1; j >= 0; j--)
1074 cbuf[j+lf_num] = cbuf[j];
1075 if (cbuf[j] == '\n')
1079 cbuf[j+lf_num] = '\r';
1082 assert(lf_num == 0);
1085 i=raw_read_stdin(cbuf,BUFSIZZ);
1087 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q')))
1089 BIO_printf(bio_err,"DONE\n");
1093 if ((!c_ign_eof) && (cbuf[0] == 'R'))
1095 BIO_printf(bio_err,"RENEGOTIATING\n");
1096 SSL_renegotiate(con);
1103 #ifdef CHARSET_EBCDIC
1104 ebcdic2ascii(cbuf, cbuf, i);
1114 SHUTDOWN(SSL_get_fd(con));
1117 if(prexit) print_stuff(bio_c_out,con,1);
1118 if (con != NULL) SSL_free(con);
1119 if (con2 != NULL) SSL_free(con2);
1120 if (ctx != NULL) SSL_CTX_free(ctx);
1127 if (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); }
1128 if (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); }
1129 if (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); }
1130 if (bio_c_out != NULL)
1132 BIO_free(bio_c_out);
1140 static void print_stuff(BIO *bio, SSL *s, int full)
1144 static const char *space=" ";
1147 STACK_OF(X509_NAME) *sk2;
1151 #ifndef OPENSSL_NO_COMP
1152 const COMP_METHOD *comp, *expansion;
1157 int got_a_chain = 0;
1159 sk=SSL_get_peer_cert_chain(s);
1162 got_a_chain = 1; /* we don't have it for SSL2 (yet) */
1164 BIO_printf(bio,"---\nCertificate chain\n");
1165 for (i=0; i<sk_X509_num(sk); i++)
1167 X509_NAME_oneline(X509_get_subject_name(
1168 sk_X509_value(sk,i)),buf,sizeof buf);
1169 BIO_printf(bio,"%2d s:%s\n",i,buf);
1170 X509_NAME_oneline(X509_get_issuer_name(
1171 sk_X509_value(sk,i)),buf,sizeof buf);
1172 BIO_printf(bio," i:%s\n",buf);
1174 PEM_write_bio_X509(bio,sk_X509_value(sk,i));
1178 BIO_printf(bio,"---\n");
1179 peer=SSL_get_peer_certificate(s);
1182 BIO_printf(bio,"Server certificate\n");
1183 if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */
1184 PEM_write_bio_X509(bio,peer);
1185 X509_NAME_oneline(X509_get_subject_name(peer),
1187 BIO_printf(bio,"subject=%s\n",buf);
1188 X509_NAME_oneline(X509_get_issuer_name(peer),
1190 BIO_printf(bio,"issuer=%s\n",buf);
1193 BIO_printf(bio,"no peer certificate available\n");
1195 sk2=SSL_get_client_CA_list(s);
1196 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0))
1198 BIO_printf(bio,"---\nAcceptable client certificate CA names\n");
1199 for (i=0; i<sk_X509_NAME_num(sk2); i++)
1201 xn=sk_X509_NAME_value(sk2,i);
1202 X509_NAME_oneline(xn,buf,sizeof(buf));
1203 BIO_write(bio,buf,strlen(buf));
1204 BIO_write(bio,"\n",1);
1209 BIO_printf(bio,"---\nNo client certificate CA names sent\n");
1211 p=SSL_get_shared_ciphers(s,buf,sizeof buf);
1214 /* This works only for SSL 2. In later protocol
1215 * versions, the client does not know what other
1216 * ciphers (in addition to the one to be used
1217 * in the current connection) the server supports. */
1219 BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n");
1225 BIO_write(bio,space,15-j%25);
1228 BIO_write(bio,((i%3)?" ":"\n"),1);
1237 BIO_write(bio,"\n",1);
1240 BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n",
1241 BIO_number_read(SSL_get_rbio(s)),
1242 BIO_number_written(SSL_get_wbio(s)));
1244 BIO_printf(bio,((s->hit)?"---\nReused, ":"---\nNew, "));
1245 c=SSL_get_current_cipher(s);
1246 BIO_printf(bio,"%s, Cipher is %s\n",
1247 SSL_CIPHER_get_version(c),
1248 SSL_CIPHER_get_name(c));
1251 pktmp = X509_get_pubkey(peer);
1252 BIO_printf(bio,"Server public key is %d bit\n",
1253 EVP_PKEY_bits(pktmp));
1254 EVP_PKEY_free(pktmp);
1256 #ifndef OPENSSL_NO_COMP
1257 comp=SSL_get_current_compression(s);
1258 expansion=SSL_get_current_expansion(s);
1259 BIO_printf(bio,"Compression: %s\n",
1260 comp ? SSL_COMP_get_name(comp) : "NONE");
1261 BIO_printf(bio,"Expansion: %s\n",
1262 expansion ? SSL_COMP_get_name(expansion) : "NONE");
1264 SSL_SESSION_print(bio,SSL_get_session(s));
1265 BIO_printf(bio,"---\n");
1268 /* flush, or debugging output gets mixed with http response */