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>
138 #include "timeouts.h"
140 #ifdef OPENSSL_SYS_WINCE
141 /* Windows CE incorrectly defines fileno as returning void*, so to avoid problems below... */
145 #define fileno(a) (int)_fileno(a)
149 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
150 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
155 #define PROG s_client_main
157 /*#define SSL_HOST_NAME "www.netscape.com" */
158 /*#define SSL_HOST_NAME "193.118.187.102" */
159 #define SSL_HOST_NAME "localhost"
161 /*#define TEST_CERT "client.pem" */ /* no default cert. */
164 #define BUFSIZZ 1024*8
166 extern int verify_depth;
167 extern int verify_error;
172 static int c_Pause=0;
173 static int c_debug=0;
175 static int c_showcerts=0;
177 static void sc_usage(void);
178 static void print_stuff(BIO *berr,SSL *con,int full);
179 static BIO *bio_c_out=NULL;
180 static int c_quiet=0;
181 static int c_ign_eof=0;
183 static void sc_usage(void)
185 BIO_printf(bio_err,"usage: s_client args\n");
186 BIO_printf(bio_err,"\n");
187 BIO_printf(bio_err," -host host - use -connect instead\n");
188 BIO_printf(bio_err," -port port - use -connect instead\n");
189 BIO_printf(bio_err," -connect host:port - who to connect to (default is %s:%s)\n",SSL_HOST_NAME,PORT_STR);
191 BIO_printf(bio_err," -verify depth - turn on peer certificate verification\n");
192 BIO_printf(bio_err," -cert arg - certificate file to use, PEM format assumed\n");
193 BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
194 BIO_printf(bio_err," -key arg - Private key file to use, in cert file if\n");
195 BIO_printf(bio_err," not specified but cert file is.\n");
196 BIO_printf(bio_err," -keyform arg - key format (PEM or DER) PEM default\n");
197 BIO_printf(bio_err," -pass arg - private key file pass phrase source\n");
198 BIO_printf(bio_err," -CApath arg - PEM format directory of CA's\n");
199 BIO_printf(bio_err," -CAfile arg - PEM format file of CA's\n");
200 BIO_printf(bio_err," -reconnect - Drop and re-make the connection with the same Session-ID\n");
201 BIO_printf(bio_err," -pause - sleep(1) after each read(2) and write(2) system call\n");
202 BIO_printf(bio_err," -showcerts - show all certificates in the chain\n");
203 BIO_printf(bio_err," -debug - extra output\n");
205 BIO_printf(bio_err," -wdebug - WATT-32 tcp debugging\n");
207 BIO_printf(bio_err," -msg - Show protocol messages\n");
208 BIO_printf(bio_err," -nbio_test - more ssl protocol testing\n");
209 BIO_printf(bio_err," -state - print the 'ssl' states\n");
211 BIO_printf(bio_err," -nbio - Run with non-blocking IO\n");
213 BIO_printf(bio_err," -crlf - convert LF from terminal into CRLF\n");
214 BIO_printf(bio_err," -quiet - no s_client output\n");
215 BIO_printf(bio_err," -ign_eof - ignore input eof (default when -quiet)\n");
216 BIO_printf(bio_err," -ssl2 - just use SSLv2\n");
217 BIO_printf(bio_err," -ssl3 - just use SSLv3\n");
218 BIO_printf(bio_err," -tls1 - just use TLSv1\n");
219 BIO_printf(bio_err," -dtls1 - just use DTLSv1\n");
220 BIO_printf(bio_err," -mtu - set the MTU\n");
221 BIO_printf(bio_err," -no_tls1/-no_ssl3/-no_ssl2 - turn off that protocol\n");
222 BIO_printf(bio_err," -bugs - Switch on all SSL implementation bug workarounds\n");
223 BIO_printf(bio_err," -serverpref - Use server's cipher preferences (only SSLv2)\n");
224 BIO_printf(bio_err," -cipher - preferred cipher to use, use the 'openssl ciphers'\n");
225 BIO_printf(bio_err," command to see what is available\n");
226 BIO_printf(bio_err," -starttls prot - use the STARTTLS command before starting TLS\n");
227 BIO_printf(bio_err," for those protocols that support it, where\n");
228 BIO_printf(bio_err," 'prot' defines which one to assume. Currently,\n");
229 BIO_printf(bio_err," only \"smtp\", \"pop3\", \"imap\", and \"ftp\" are supported.\n");
230 #ifndef OPENSSL_NO_ENGINE
231 BIO_printf(bio_err," -engine id - Initialise and use the specified engine\n");
233 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
246 int MAIN(int, char **);
248 int MAIN(int argc, char **argv)
251 SSL *con=NULL,*con2=NULL;
252 X509_STORE *store = NULL;
253 int s,k,width,state=0;
254 char *cbuf=NULL,*sbuf=NULL,*mbuf=NULL;
255 int cbuf_len,cbuf_off;
256 int sbuf_len,sbuf_off;
257 fd_set readfds,writefds;
260 char *host=SSL_HOST_NAME;
261 char *cert_file=NULL,*key_file=NULL;
262 int cert_format = FORMAT_PEM, key_format = FORMAT_PEM;
263 char *passarg = NULL, *pass = NULL;
265 EVP_PKEY *key = NULL;
266 char *CApath=NULL,*CAfile=NULL,*cipher=NULL;
267 int reconnect=0,badop=0,verify=SSL_VERIFY_NONE,bugs=0;
269 int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending;
271 int ret=1,in_init=1,i,nbio_test=0;
272 int starttls_proto = PROTO_OFF;
273 int prexit = 0, vflags = 0;
274 SSL_METHOD *meth=NULL;
278 int sock_type=SOCK_STREAM;
282 #ifndef OPENSSL_NO_ENGINE
283 char *engine_id=NULL;
286 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
290 struct sockaddr peer;
291 int peerlen = sizeof(peer);
292 int enable_timeouts = 0 ;
295 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
296 meth=SSLv23_client_method();
297 #elif !defined(OPENSSL_NO_SSL3)
298 meth=SSLv3_client_method();
299 #elif !defined(OPENSSL_NO_SSL2)
300 meth=SSLv2_client_method();
312 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
314 if (!load_config(bio_err, NULL))
317 if ( ((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
318 ((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
319 ((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL))
321 BIO_printf(bio_err,"out of memory\n");
326 verify_error=X509_V_OK;
335 if (strcmp(*argv,"-host") == 0)
337 if (--argc < 1) goto bad;
340 else if (strcmp(*argv,"-port") == 0)
342 if (--argc < 1) goto bad;
343 port=atoi(*(++argv));
344 if (port == 0) goto bad;
346 else if (strcmp(*argv,"-connect") == 0)
348 if (--argc < 1) goto bad;
349 if (!extract_host_port(*(++argv),&host,NULL,&port))
352 else if (strcmp(*argv,"-verify") == 0)
354 verify=SSL_VERIFY_PEER;
355 if (--argc < 1) goto bad;
356 verify_depth=atoi(*(++argv));
357 BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
359 else if (strcmp(*argv,"-cert") == 0)
361 if (--argc < 1) goto bad;
362 cert_file= *(++argv);
364 else if (strcmp(*argv,"-certform") == 0)
366 if (--argc < 1) goto bad;
367 cert_format = str2fmt(*(++argv));
369 else if (strcmp(*argv,"-crl_check") == 0)
370 vflags |= X509_V_FLAG_CRL_CHECK;
371 else if (strcmp(*argv,"-crl_check_all") == 0)
372 vflags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;
373 else if (strcmp(*argv,"-prexit") == 0)
375 else if (strcmp(*argv,"-crlf") == 0)
377 else if (strcmp(*argv,"-quiet") == 0)
382 else if (strcmp(*argv,"-ign_eof") == 0)
384 else if (strcmp(*argv,"-pause") == 0)
386 else if (strcmp(*argv,"-debug") == 0)
389 else if (strcmp(*argv,"-wdebug") == 0)
392 else if (strcmp(*argv,"-msg") == 0)
394 else if (strcmp(*argv,"-showcerts") == 0)
396 else if (strcmp(*argv,"-nbio_test") == 0)
398 else if (strcmp(*argv,"-state") == 0)
400 #ifndef OPENSSL_NO_SSL2
401 else if (strcmp(*argv,"-ssl2") == 0)
402 meth=SSLv2_client_method();
404 #ifndef OPENSSL_NO_SSL3
405 else if (strcmp(*argv,"-ssl3") == 0)
406 meth=SSLv3_client_method();
408 #ifndef OPENSSL_NO_TLS1
409 else if (strcmp(*argv,"-tls1") == 0)
410 meth=TLSv1_client_method();
412 #ifndef OPENSSL_NO_DTLS1
413 else if (strcmp(*argv,"-dtls1") == 0)
415 meth=DTLSv1_client_method();
416 sock_type=SOCK_DGRAM;
418 else if (strcmp(*argv,"-timeout") == 0)
420 else if (strcmp(*argv,"-mtu") == 0)
422 if (--argc < 1) goto bad;
423 mtu = atol(*(++argv));
426 else if (strcmp(*argv,"-bugs") == 0)
428 else if (strcmp(*argv,"-keyform") == 0)
430 if (--argc < 1) goto bad;
431 key_format = str2fmt(*(++argv));
433 else if (strcmp(*argv,"-pass") == 0)
435 if (--argc < 1) goto bad;
438 else if (strcmp(*argv,"-key") == 0)
440 if (--argc < 1) goto bad;
443 else if (strcmp(*argv,"-reconnect") == 0)
447 else if (strcmp(*argv,"-CApath") == 0)
449 if (--argc < 1) goto bad;
452 else if (strcmp(*argv,"-CAfile") == 0)
454 if (--argc < 1) goto bad;
457 else if (strcmp(*argv,"-no_tls1") == 0)
458 off|=SSL_OP_NO_TLSv1;
459 else if (strcmp(*argv,"-no_ssl3") == 0)
460 off|=SSL_OP_NO_SSLv3;
461 else if (strcmp(*argv,"-no_ssl2") == 0)
462 off|=SSL_OP_NO_SSLv2;
463 else if (strcmp(*argv,"-serverpref") == 0)
464 off|=SSL_OP_CIPHER_SERVER_PREFERENCE;
465 else if (strcmp(*argv,"-cipher") == 0)
467 if (--argc < 1) goto bad;
471 else if (strcmp(*argv,"-nbio") == 0)
474 else if (strcmp(*argv,"-starttls") == 0)
476 if (--argc < 1) goto bad;
478 if (strcmp(*argv,"smtp") == 0)
479 starttls_proto = PROTO_SMTP;
480 else if (strcmp(*argv,"pop3") == 0)
481 starttls_proto = PROTO_POP3;
482 else if (strcmp(*argv,"imap") == 0)
483 starttls_proto = PROTO_IMAP;
484 else if (strcmp(*argv,"ftp") == 0)
485 starttls_proto = PROTO_FTP;
489 #ifndef OPENSSL_NO_ENGINE
490 else if (strcmp(*argv,"-engine") == 0)
492 if (--argc < 1) goto bad;
493 engine_id = *(++argv);
496 else if (strcmp(*argv,"-rand") == 0)
498 if (--argc < 1) goto bad;
503 BIO_printf(bio_err,"unknown option %s\n",*argv);
517 OpenSSL_add_ssl_algorithms();
518 SSL_load_error_strings();
520 #ifndef OPENSSL_NO_ENGINE
521 e = setup_engine(bio_err, engine_id, 1);
523 if (!app_passwd(bio_err, passarg, NULL, &pass, NULL))
525 BIO_printf(bio_err, "Error getting password\n");
529 if (key_file == NULL)
530 key_file = cert_file;
537 key = load_key(bio_err, key_file, key_format, 0, pass, e,
538 "client certificate private key file");
541 ERR_print_errors(bio_err);
550 cert = load_cert(bio_err,cert_file,cert_format,
551 NULL, e, "client certificate file");
555 ERR_print_errors(bio_err);
560 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
563 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
566 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
567 app_RAND_load_files(inrand));
569 if (bio_c_out == NULL)
571 if (c_quiet && !c_debug && !c_msg)
573 bio_c_out=BIO_new(BIO_s_null());
577 if (bio_c_out == NULL)
578 bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE);
582 ctx=SSL_CTX_new(meth);
585 ERR_print_errors(bio_err);
590 SSL_CTX_set_options(ctx,SSL_OP_ALL|off);
592 SSL_CTX_set_options(ctx,off);
593 /* DTLS: partial reads end up discarding unread UDP bytes :-(
594 * Setting read ahead solves this problem.
596 if (sock_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
598 if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
600 if(!SSL_CTX_set_cipher_list(ctx,cipher)) {
601 BIO_printf(bio_err,"error setting cipher list\n");
602 ERR_print_errors(bio_err);
607 SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER"));
610 SSL_CTX_set_verify(ctx,verify,verify_callback);
611 if (!set_cert_key_stuff(ctx,cert,key))
614 if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
615 (!SSL_CTX_set_default_verify_paths(ctx)))
617 /* BIO_printf(bio_err,"error setting default verify locations\n"); */
618 ERR_print_errors(bio_err);
622 store = SSL_CTX_get_cert_store(ctx);
623 X509_STORE_set_flags(store, vflags);
626 #ifndef OPENSSL_NO_KRB5
627 if (con && (con->kssl_ctx = kssl_ctx_new()) != NULL)
629 kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVER, host);
631 #endif /* OPENSSL_NO_KRB5 */
632 /* SSL_set_cipher_list(con,"RC4-MD5"); */
636 if (init_client(&s,host,port,sock_type) == 0)
638 BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error());
642 BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s);
648 BIO_printf(bio_c_out,"turning on non blocking io\n");
649 if (BIO_socket_ioctl(s,FIONBIO,&l) < 0)
651 ERR_print_errors(bio_err);
656 if (c_Pause & 0x01) con->debug=1;
658 if ( SSL_version(con) == DTLS1_VERSION)
660 struct timeval timeout;
662 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
663 if (getsockname(s, &peer, (void *)&peerlen) < 0)
665 BIO_printf(bio_err, "getsockname:errno=%d\n",
666 get_last_socket_error());
671 (void)BIO_ctrl_set_connected(sbio, 1, &peer);
673 if ( enable_timeouts)
676 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
677 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
680 timeout.tv_usec = DGRAM_SND_TIMEOUT;
681 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
686 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
687 SSL_set_mtu(con, mtu);
690 /* want to do MTU discovery */
691 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
694 sbio=BIO_new_socket(s,BIO_NOCLOSE);
702 test=BIO_new(BIO_f_nbio_test());
703 sbio=BIO_push(test,sbio);
709 BIO_set_callback(sbio,bio_dump_callback);
710 BIO_set_callback_arg(sbio,(char *)bio_c_out);
714 SSL_set_msg_callback(con, msg_cb);
715 SSL_set_msg_callback_arg(con, bio_c_out);
718 SSL_set_bio(con,sbio,sbio);
719 SSL_set_connect_state(con);
721 /* ok, lets connect */
722 width=SSL_get_fd(con)+1;
735 /* This is an ugly hack that does a lot of assumptions */
736 /* We do have to handle multi-line responses which may come
737 in a single packet or not. We therefore have to use
738 BIO_gets() which does need a buffering BIO. So during
739 the initial chitchat we do push a buffering BIO into the
740 chain that is removed again later on to not disturb the
741 rest of the s_client operation. */
742 if (starttls_proto == PROTO_SMTP)
745 BIO *fbio = BIO_new(BIO_f_buffer());
746 BIO_push(fbio, sbio);
747 /* wait for multi-line response to end from SMTP */
750 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
752 while (mbuf_len>3 && mbuf[3]=='-');
753 /* STARTTLS command requires EHLO... */
754 BIO_printf(fbio,"EHLO openssl.client.net\r\n");
755 (void)BIO_flush(fbio);
756 /* wait for multi-line response to end EHLO SMTP response */
759 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
760 if (strstr(mbuf,"STARTTLS"))
763 while (mbuf_len>3 && mbuf[3]=='-');
764 (void)BIO_flush(fbio);
769 "didn't found starttls in server response,"
771 BIO_printf(sbio,"STARTTLS\r\n");
772 BIO_read(sbio,sbuf,BUFSIZZ);
774 else if (starttls_proto == PROTO_POP3)
776 BIO_read(sbio,mbuf,BUFSIZZ);
777 BIO_printf(sbio,"STLS\r\n");
778 BIO_read(sbio,sbuf,BUFSIZZ);
780 else if (starttls_proto == PROTO_IMAP)
783 BIO *fbio = BIO_new(BIO_f_buffer());
784 BIO_push(fbio, sbio);
785 BIO_gets(fbio,mbuf,BUFSIZZ);
786 /* STARTTLS command requires CAPABILITY... */
787 BIO_printf(fbio,". CAPABILITY\r\n");
788 (void)BIO_flush(fbio);
789 /* wait for multi-line CAPABILITY response */
792 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
793 if (strstr(mbuf,"STARTTLS"))
796 while (mbuf_len>3 && mbuf[0]!='.');
797 (void)BIO_flush(fbio);
802 "didn't found STARTTLS in server response,"
804 BIO_printf(sbio,". STARTTLS\r\n");
805 BIO_read(sbio,sbuf,BUFSIZZ);
807 else if (starttls_proto == PROTO_FTP)
809 BIO *fbio = BIO_new(BIO_f_buffer());
810 BIO_push(fbio, sbio);
811 /* wait for multi-line response to end from FTP */
814 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
816 while (mbuf_len>3 && mbuf[3]=='-');
817 (void)BIO_flush(fbio);
820 BIO_printf(sbio,"AUTH TLS\r\n");
821 BIO_read(sbio,sbuf,BUFSIZZ);
829 if (SSL_in_init(con) && !SSL_total_renegotiations(con))
840 print_stuff(bio_c_out,con,full_log);
841 if (full_log > 0) full_log--;
845 BIO_printf(bio_err,"%s",mbuf);
846 /* We don't need to know any more */
847 starttls_proto = PROTO_OFF;
853 BIO_printf(bio_c_out,"drop connection and then reconnect\n");
855 SSL_set_connect_state(con);
856 SHUTDOWN(SSL_get_fd(con));
862 ssl_pending = read_ssl && SSL_pending(con);
866 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE)
869 if (read_tty) FD_SET(fileno(stdin),&readfds);
870 if (write_tty) FD_SET(fileno(stdout),&writefds);
873 FD_SET(SSL_get_fd(con),&readfds);
875 FD_SET(SSL_get_fd(con),&writefds);
877 if(!tty_on || !write_tty) {
879 FD_SET(SSL_get_fd(con),&readfds);
881 FD_SET(SSL_get_fd(con),&writefds);
884 /* printf("mode tty(%d %d%d) ssl(%d%d)\n",
885 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
887 /* Note: under VMS with SOCKETSHR the second parameter
888 * is currently of type (int *) whereas under other
889 * systems it is (void *) if you don't have a cast it
890 * will choke the compiler: if you do have a cast then
891 * you can either go for (int *) or (void *).
893 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
894 /* Under Windows/DOS we make the assumption that we can
895 * always write to the tty: therefore if we need to
896 * write to the tty we just fall through. Otherwise
897 * we timeout the select every second and see if there
898 * are any keypresses. Note: this is a hack, in a proper
899 * Windows application we wouldn't do this.
906 i=select(width,(void *)&readfds,(void *)&writefds,
908 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
909 if(!i && (!_kbhit() || !read_tty) ) continue;
911 if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue;
913 } else i=select(width,(void *)&readfds,(void *)&writefds,
916 #elif defined(OPENSSL_SYS_NETWARE)
921 i=select(width,(void *)&readfds,(void *)&writefds,
923 } else i=select(width,(void *)&readfds,(void *)&writefds,
927 i=select(width,(void *)&readfds,(void *)&writefds,
932 BIO_printf(bio_err,"bad select %d\n",
933 get_last_socket_error());
939 if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds))
941 k=SSL_write(con,&(cbuf[cbuf_off]),
942 (unsigned int)cbuf_len);
943 switch (SSL_get_error(con,k))
948 if (k <= 0) goto end;
949 /* we have done a write(con,NULL,0); */
955 else /* if (cbuf_len > 0) */
961 case SSL_ERROR_WANT_WRITE:
962 BIO_printf(bio_c_out,"write W BLOCK\n");
966 case SSL_ERROR_WANT_READ:
967 BIO_printf(bio_c_out,"write R BLOCK\n");
972 case SSL_ERROR_WANT_X509_LOOKUP:
973 BIO_printf(bio_c_out,"write X BLOCK\n");
975 case SSL_ERROR_ZERO_RETURN:
978 BIO_printf(bio_c_out,"shutdown\n");
988 case SSL_ERROR_SYSCALL:
989 if ((k != 0) || (cbuf_len != 0))
991 BIO_printf(bio_err,"write:errno=%d\n",
992 get_last_socket_error());
1002 ERR_print_errors(bio_err);
1006 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
1007 /* Assume Windows/DOS can always write */
1008 else if (!ssl_pending && write_tty)
1010 else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds))
1013 #ifdef CHARSET_EBCDIC
1014 ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len);
1016 i=write(fileno(stdout),&(sbuf[sbuf_off]),sbuf_len);
1020 BIO_printf(bio_c_out,"DONE\n");
1033 else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds))
1036 { static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } }
1039 k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ );
1041 /* Demo for pending and peek :-) */
1042 k=SSL_read(con,sbuf,16);
1044 printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240));
1048 switch (SSL_get_error(con,k))
1050 case SSL_ERROR_NONE:
1059 case SSL_ERROR_WANT_WRITE:
1060 BIO_printf(bio_c_out,"read W BLOCK\n");
1064 case SSL_ERROR_WANT_READ:
1065 BIO_printf(bio_c_out,"read R BLOCK\n");
1068 if ((read_tty == 0) && (write_ssl == 0))
1071 case SSL_ERROR_WANT_X509_LOOKUP:
1072 BIO_printf(bio_c_out,"read X BLOCK\n");
1074 case SSL_ERROR_SYSCALL:
1075 BIO_printf(bio_err,"read:errno=%d\n",get_last_socket_error());
1077 case SSL_ERROR_ZERO_RETURN:
1078 BIO_printf(bio_c_out,"closed\n");
1081 ERR_print_errors(bio_err);
1087 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1088 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1091 else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
1093 #elif defined (OPENSSL_SYS_NETWARE)
1096 else if (FD_ISSET(fileno(stdin),&readfds))
1103 i=read(fileno(stdin),cbuf,BUFSIZZ/2);
1105 /* both loops are skipped when i <= 0 */
1106 for (j = 0; j < i; j++)
1107 if (cbuf[j] == '\n')
1109 for (j = i-1; j >= 0; j--)
1111 cbuf[j+lf_num] = cbuf[j];
1112 if (cbuf[j] == '\n')
1116 cbuf[j+lf_num] = '\r';
1119 assert(lf_num == 0);
1122 i=read(fileno(stdin),cbuf,BUFSIZZ);
1124 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q')))
1126 BIO_printf(bio_err,"DONE\n");
1130 if ((!c_ign_eof) && (cbuf[0] == 'R'))
1132 BIO_printf(bio_err,"RENEGOTIATING\n");
1133 SSL_renegotiate(con);
1140 #ifdef CHARSET_EBCDIC
1141 ebcdic2ascii(cbuf, cbuf, i);
1151 SHUTDOWN(SSL_get_fd(con));
1154 if(prexit) print_stuff(bio_c_out,con,1);
1155 if (con != NULL) SSL_free(con);
1156 if (con2 != NULL) SSL_free(con2);
1157 if (ctx != NULL) SSL_CTX_free(ctx);
1164 if (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); }
1165 if (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); }
1166 if (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); }
1167 if (bio_c_out != NULL)
1169 BIO_free(bio_c_out);
1177 static void print_stuff(BIO *bio, SSL *s, int full)
1181 static const char *space=" ";
1184 STACK_OF(X509_NAME) *sk2;
1188 #ifndef OPENSSL_NO_COMP
1189 const COMP_METHOD *comp, *expansion;
1194 int got_a_chain = 0;
1196 sk=SSL_get_peer_cert_chain(s);
1199 got_a_chain = 1; /* we don't have it for SSL2 (yet) */
1201 BIO_printf(bio,"---\nCertificate chain\n");
1202 for (i=0; i<sk_X509_num(sk); i++)
1204 X509_NAME_oneline(X509_get_subject_name(
1205 sk_X509_value(sk,i)),buf,sizeof buf);
1206 BIO_printf(bio,"%2d s:%s\n",i,buf);
1207 X509_NAME_oneline(X509_get_issuer_name(
1208 sk_X509_value(sk,i)),buf,sizeof buf);
1209 BIO_printf(bio," i:%s\n",buf);
1211 PEM_write_bio_X509(bio,sk_X509_value(sk,i));
1215 BIO_printf(bio,"---\n");
1216 peer=SSL_get_peer_certificate(s);
1219 BIO_printf(bio,"Server certificate\n");
1220 if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */
1221 PEM_write_bio_X509(bio,peer);
1222 X509_NAME_oneline(X509_get_subject_name(peer),
1224 BIO_printf(bio,"subject=%s\n",buf);
1225 X509_NAME_oneline(X509_get_issuer_name(peer),
1227 BIO_printf(bio,"issuer=%s\n",buf);
1230 BIO_printf(bio,"no peer certificate available\n");
1232 sk2=SSL_get_client_CA_list(s);
1233 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0))
1235 BIO_printf(bio,"---\nAcceptable client certificate CA names\n");
1236 for (i=0; i<sk_X509_NAME_num(sk2); i++)
1238 xn=sk_X509_NAME_value(sk2,i);
1239 X509_NAME_oneline(xn,buf,sizeof(buf));
1240 BIO_write(bio,buf,strlen(buf));
1241 BIO_write(bio,"\n",1);
1246 BIO_printf(bio,"---\nNo client certificate CA names sent\n");
1248 p=SSL_get_shared_ciphers(s,buf,sizeof buf);
1251 /* This works only for SSL 2. In later protocol
1252 * versions, the client does not know what other
1253 * ciphers (in addition to the one to be used
1254 * in the current connection) the server supports. */
1256 BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n");
1262 BIO_write(bio,space,15-j%25);
1265 BIO_write(bio,((i%3)?" ":"\n"),1);
1274 BIO_write(bio,"\n",1);
1277 BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n",
1278 BIO_number_read(SSL_get_rbio(s)),
1279 BIO_number_written(SSL_get_wbio(s)));
1281 BIO_printf(bio,((s->hit)?"---\nReused, ":"---\nNew, "));
1282 c=SSL_get_current_cipher(s);
1283 BIO_printf(bio,"%s, Cipher is %s\n",
1284 SSL_CIPHER_get_version(c),
1285 SSL_CIPHER_get_name(c));
1288 pktmp = X509_get_pubkey(peer);
1289 BIO_printf(bio,"Server public key is %d bit\n",
1290 EVP_PKEY_bits(pktmp));
1291 EVP_PKEY_free(pktmp);
1293 #ifndef OPENSSL_NO_COMP
1294 comp=SSL_get_current_compression(s);
1295 expansion=SSL_get_current_expansion(s);
1296 BIO_printf(bio,"Compression: %s\n",
1297 comp ? SSL_COMP_get_name(comp) : "NONE");
1298 BIO_printf(bio,"Expansion: %s\n",
1299 expansion ? SSL_COMP_get_name(expansion) : "NONE");
1301 SSL_SESSION_print(bio,SSL_get_session(s));
1302 BIO_printf(bio,"---\n");
1305 /* flush, or debugging output gets mixed with http response */
1306 (void)BIO_flush(bio);