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>
139 #ifdef OPENSSL_SYS_WINDOWS
143 #ifdef OPENSSL_SYS_WINCE
144 /* Windows CE incorrectly defines fileno as returning void*, so to avoid problems below... */
148 #define fileno(a) (int)_fileno(a)
152 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
153 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
158 #define PROG s_client_main
160 /*#define SSL_HOST_NAME "www.netscape.com" */
161 /*#define SSL_HOST_NAME "193.118.187.102" */
162 #define SSL_HOST_NAME "localhost"
164 /*#define TEST_CERT "client.pem" */ /* no default cert. */
167 #define BUFSIZZ 1024*8
169 extern int verify_depth;
170 extern int verify_error;
175 static int c_Pause=0;
176 static int c_debug=0;
178 static int c_showcerts=0;
180 static void sc_usage(void);
181 static void print_stuff(BIO *berr,SSL *con,int full);
182 static BIO *bio_c_out=NULL;
183 static int c_quiet=0;
184 static int c_ign_eof=0;
186 static void sc_usage(void)
188 BIO_printf(bio_err,"usage: s_client args\n");
189 BIO_printf(bio_err,"\n");
190 BIO_printf(bio_err," -host host - use -connect instead\n");
191 BIO_printf(bio_err," -port port - use -connect instead\n");
192 BIO_printf(bio_err," -connect host:port - who to connect to (default is %s:%s)\n",SSL_HOST_NAME,PORT_STR);
194 BIO_printf(bio_err," -verify arg - turn on peer certificate verification\n");
195 BIO_printf(bio_err," -cert arg - certificate file to use, PEM format assumed\n");
196 BIO_printf(bio_err," -key arg - Private key file to use, PEM format assumed, in cert file if\n");
197 BIO_printf(bio_err," not specified but cert file is.\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");
204 BIO_printf(bio_err," -msg - Show protocol messages\n");
205 BIO_printf(bio_err," -nbio_test - more ssl protocol testing\n");
206 BIO_printf(bio_err," -state - print the 'ssl' states\n");
208 BIO_printf(bio_err," -nbio - Run with non-blocking IO\n");
210 BIO_printf(bio_err," -crlf - convert LF from terminal into CRLF\n");
211 BIO_printf(bio_err," -quiet - no s_client output\n");
212 BIO_printf(bio_err," -ign_eof - ignore input eof (default when -quiet)\n");
213 BIO_printf(bio_err," -ssl2 - just use SSLv2\n");
214 BIO_printf(bio_err," -ssl3 - just use SSLv3\n");
215 BIO_printf(bio_err," -tls1 - just use TLSv1\n");
216 BIO_printf(bio_err," -no_tls1/-no_ssl3/-no_ssl2 - turn off that protocol\n");
217 BIO_printf(bio_err," -bugs - Switch on all SSL implementation bug workarounds\n");
218 BIO_printf(bio_err," -serverpref - Use server's cipher preferences (only SSLv2)\n");
219 BIO_printf(bio_err," -cipher - preferred cipher to use, use the 'openssl ciphers'\n");
220 BIO_printf(bio_err," command to see what is available\n");
221 BIO_printf(bio_err," -starttls prot - use the STARTTLS command before starting TLS\n");
222 BIO_printf(bio_err," for those protocols that support it, where\n");
223 BIO_printf(bio_err," 'prot' defines which one to assume. Currently,\n");
224 BIO_printf(bio_err," only \"smtp\" is supported.\n");
225 #ifndef OPENSSL_NO_ENGINE
226 BIO_printf(bio_err," -engine id - Initialise and use the specified engine\n");
228 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
232 int MAIN(int, char **);
234 int MAIN(int argc, char **argv)
237 SSL *con=NULL,*con2=NULL;
238 X509_STORE *store = NULL;
239 int s,k,width,state=0;
240 char *cbuf=NULL,*sbuf=NULL,*mbuf=NULL;
241 int cbuf_len,cbuf_off;
242 int sbuf_len,sbuf_off;
243 fd_set readfds,writefds;
246 char *host=SSL_HOST_NAME;
247 char *cert_file=NULL,*key_file=NULL;
248 char *CApath=NULL,*CAfile=NULL,*cipher=NULL;
249 int reconnect=0,badop=0,verify=SSL_VERIFY_NONE,bugs=0;
251 int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending;
253 int ret=1,in_init=1,i,nbio_test=0;
254 int smtp_starttls = 0;
255 int prexit = 0, vflags = 0;
256 SSL_METHOD *meth=NULL;
259 #ifndef OPENSSL_NO_ENGINE
260 char *engine_id=NULL;
263 #ifdef OPENSSL_SYS_WINDOWS
267 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
268 meth=SSLv23_client_method();
269 #elif !defined(OPENSSL_NO_SSL3)
270 meth=SSLv3_client_method();
271 #elif !defined(OPENSSL_NO_SSL2)
272 meth=SSLv2_client_method();
284 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
286 if (!load_config(bio_err, NULL))
289 if ( ((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
290 ((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
291 ((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL))
293 BIO_printf(bio_err,"out of memory\n");
298 verify_error=X509_V_OK;
307 if (strcmp(*argv,"-host") == 0)
309 if (--argc < 1) goto bad;
312 else if (strcmp(*argv,"-port") == 0)
314 if (--argc < 1) goto bad;
315 port=atoi(*(++argv));
316 if (port == 0) goto bad;
318 else if (strcmp(*argv,"-connect") == 0)
320 if (--argc < 1) goto bad;
321 if (!extract_host_port(*(++argv),&host,NULL,&port))
324 else if (strcmp(*argv,"-verify") == 0)
326 verify=SSL_VERIFY_PEER;
327 if (--argc < 1) goto bad;
328 verify_depth=atoi(*(++argv));
329 BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
331 else if (strcmp(*argv,"-cert") == 0)
333 if (--argc < 1) goto bad;
334 cert_file= *(++argv);
336 else if (strcmp(*argv,"-crl_check") == 0)
337 vflags |= X509_V_FLAG_CRL_CHECK;
338 else if (strcmp(*argv,"-crl_check_all") == 0)
339 vflags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;
340 else if (strcmp(*argv,"-prexit") == 0)
342 else if (strcmp(*argv,"-crlf") == 0)
344 else if (strcmp(*argv,"-quiet") == 0)
349 else if (strcmp(*argv,"-ign_eof") == 0)
351 else if (strcmp(*argv,"-pause") == 0)
353 else if (strcmp(*argv,"-debug") == 0)
355 else if (strcmp(*argv,"-msg") == 0)
357 else if (strcmp(*argv,"-showcerts") == 0)
359 else if (strcmp(*argv,"-nbio_test") == 0)
361 else if (strcmp(*argv,"-state") == 0)
363 #ifndef OPENSSL_NO_SSL2
364 else if (strcmp(*argv,"-ssl2") == 0)
365 meth=SSLv2_client_method();
367 #ifndef OPENSSL_NO_SSL3
368 else if (strcmp(*argv,"-ssl3") == 0)
369 meth=SSLv3_client_method();
371 #ifndef OPENSSL_NO_TLS1
372 else if (strcmp(*argv,"-tls1") == 0)
373 meth=TLSv1_client_method();
375 else if (strcmp(*argv,"-bugs") == 0)
377 else if (strcmp(*argv,"-key") == 0)
379 if (--argc < 1) goto bad;
382 else if (strcmp(*argv,"-reconnect") == 0)
386 else if (strcmp(*argv,"-CApath") == 0)
388 if (--argc < 1) goto bad;
391 else if (strcmp(*argv,"-CAfile") == 0)
393 if (--argc < 1) goto bad;
396 else if (strcmp(*argv,"-no_tls1") == 0)
397 off|=SSL_OP_NO_TLSv1;
398 else if (strcmp(*argv,"-no_ssl3") == 0)
399 off|=SSL_OP_NO_SSLv3;
400 else if (strcmp(*argv,"-no_ssl2") == 0)
401 off|=SSL_OP_NO_SSLv2;
402 else if (strcmp(*argv,"-serverpref") == 0)
403 off|=SSL_OP_CIPHER_SERVER_PREFERENCE;
404 else if (strcmp(*argv,"-cipher") == 0)
406 if (--argc < 1) goto bad;
410 else if (strcmp(*argv,"-nbio") == 0)
413 else if (strcmp(*argv,"-starttls") == 0)
415 if (--argc < 1) goto bad;
417 if (strcmp(*argv,"smtp") == 0)
422 #ifndef OPENSSL_NO_ENGINE
423 else if (strcmp(*argv,"-engine") == 0)
425 if (--argc < 1) goto bad;
426 engine_id = *(++argv);
429 else if (strcmp(*argv,"-rand") == 0)
431 if (--argc < 1) goto bad;
436 BIO_printf(bio_err,"unknown option %s\n",*argv);
450 OpenSSL_add_ssl_algorithms();
451 SSL_load_error_strings();
453 #ifndef OPENSSL_NO_ENGINE
454 e = setup_engine(bio_err, engine_id, 1);
457 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
460 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
463 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
464 app_RAND_load_files(inrand));
466 if (bio_c_out == NULL)
468 if (c_quiet && !c_debug && !c_msg)
470 bio_c_out=BIO_new(BIO_s_null());
474 if (bio_c_out == NULL)
475 bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE);
479 ctx=SSL_CTX_new(meth);
482 ERR_print_errors(bio_err);
487 SSL_CTX_set_options(ctx,SSL_OP_ALL|off);
489 SSL_CTX_set_options(ctx,off);
491 if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
493 if(!SSL_CTX_set_cipher_list(ctx,cipher)) {
494 BIO_printf(bio_err,"error setting cipher list\n");
495 ERR_print_errors(bio_err);
500 SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER"));
503 SSL_CTX_set_verify(ctx,verify,verify_callback);
504 if (!set_cert_stuff(ctx,cert_file,key_file))
507 if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
508 (!SSL_CTX_set_default_verify_paths(ctx)))
510 /* BIO_printf(bio_err,"error setting default verify locations\n"); */
511 ERR_print_errors(bio_err);
515 store = SSL_CTX_get_cert_store(ctx);
516 X509_STORE_set_flags(store, vflags);
519 #ifndef OPENSSL_NO_KRB5
520 if (con && (con->kssl_ctx = kssl_ctx_new()) != NULL)
522 kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVER, host);
524 #endif /* OPENSSL_NO_KRB5 */
525 /* SSL_set_cipher_list(con,"RC4-MD5"); */
529 if (init_client(&s,host,port) == 0)
531 BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error());
535 BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s);
541 BIO_printf(bio_c_out,"turning on non blocking io\n");
542 if (BIO_socket_ioctl(s,FIONBIO,&l) < 0)
544 ERR_print_errors(bio_err);
549 if (c_Pause & 0x01) con->debug=1;
550 sbio=BIO_new_socket(s,BIO_NOCLOSE);
556 test=BIO_new(BIO_f_nbio_test());
557 sbio=BIO_push(test,sbio);
563 BIO_set_callback(sbio,bio_dump_cb);
564 BIO_set_callback_arg(sbio,bio_c_out);
568 SSL_set_msg_callback(con, msg_cb);
569 SSL_set_msg_callback_arg(con, bio_c_out);
572 SSL_set_bio(con,sbio,sbio);
573 SSL_set_connect_state(con);
575 /* ok, lets connect */
576 width=SSL_get_fd(con)+1;
589 /* This is an ugly hack that does a lot of assumptions */
592 BIO_read(sbio,mbuf,BUFSIZZ);
593 BIO_printf(sbio,"STARTTLS\r\n");
594 BIO_read(sbio,sbuf,BUFSIZZ);
602 if (SSL_in_init(con) && !SSL_total_renegotiations(con))
613 print_stuff(bio_c_out,con,full_log);
614 if (full_log > 0) full_log--;
618 BIO_printf(bio_err,"%s",mbuf);
619 /* We don't need to know any more */
626 BIO_printf(bio_c_out,"drop connection and then reconnect\n");
628 SSL_set_connect_state(con);
629 SHUTDOWN(SSL_get_fd(con));
635 ssl_pending = read_ssl && SSL_pending(con);
639 #ifndef OPENSSL_SYS_WINDOWS
642 if (read_tty) FD_SET(fileno(stdin),&readfds);
643 if (write_tty) FD_SET(fileno(stdout),&writefds);
646 FD_SET(SSL_get_fd(con),&readfds);
648 FD_SET(SSL_get_fd(con),&writefds);
650 if(!tty_on || !write_tty) {
652 FD_SET(SSL_get_fd(con),&readfds);
654 FD_SET(SSL_get_fd(con),&writefds);
657 /* printf("mode tty(%d %d%d) ssl(%d%d)\n",
658 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
660 /* Note: under VMS with SOCKETSHR the second parameter
661 * is currently of type (int *) whereas under other
662 * systems it is (void *) if you don't have a cast it
663 * will choke the compiler: if you do have a cast then
664 * you can either go for (int *) or (void *).
666 #ifdef OPENSSL_SYS_WINDOWS
667 /* Under Windows we make the assumption that we can
668 * always write to the tty: therefore if we need to
669 * write to the tty we just fall through. Otherwise
670 * we timeout the select every second and see if there
671 * are any keypresses. Note: this is a hack, in a proper
672 * Windows application we wouldn't do this.
679 i=select(width,(void *)&readfds,(void *)&writefds,
681 #ifdef OPENSSL_SYS_WINCE
682 if(!i && (!_kbhit() || !read_tty) ) continue;
684 if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue;
686 } else i=select(width,(void *)&readfds,(void *)&writefds,
690 i=select(width,(void *)&readfds,(void *)&writefds,
695 BIO_printf(bio_err,"bad select %d\n",
696 get_last_socket_error());
702 if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds))
704 k=SSL_write(con,&(cbuf[cbuf_off]),
705 (unsigned int)cbuf_len);
706 switch (SSL_get_error(con,k))
711 if (k <= 0) goto end;
712 /* we have done a write(con,NULL,0); */
718 else /* if (cbuf_len > 0) */
724 case SSL_ERROR_WANT_WRITE:
725 BIO_printf(bio_c_out,"write W BLOCK\n");
729 case SSL_ERROR_WANT_READ:
730 BIO_printf(bio_c_out,"write R BLOCK\n");
735 case SSL_ERROR_WANT_X509_LOOKUP:
736 BIO_printf(bio_c_out,"write X BLOCK\n");
738 case SSL_ERROR_ZERO_RETURN:
741 BIO_printf(bio_c_out,"shutdown\n");
751 case SSL_ERROR_SYSCALL:
752 if ((k != 0) || (cbuf_len != 0))
754 BIO_printf(bio_err,"write:errno=%d\n",
755 get_last_socket_error());
765 ERR_print_errors(bio_err);
769 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
770 /* Assume Windows/DOS can always write */
771 else if (!ssl_pending && write_tty)
773 else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds))
776 #ifdef CHARSET_EBCDIC
777 ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len);
779 i=write(fileno(stdout),&(sbuf[sbuf_off]),sbuf_len);
783 BIO_printf(bio_c_out,"DONE\n");
796 else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds))
799 { static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } }
802 k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ );
804 /* Demo for pending and peek :-) */
805 k=SSL_read(con,sbuf,16);
807 printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240));
811 switch (SSL_get_error(con,k))
822 case SSL_ERROR_WANT_WRITE:
823 BIO_printf(bio_c_out,"read W BLOCK\n");
827 case SSL_ERROR_WANT_READ:
828 BIO_printf(bio_c_out,"read R BLOCK\n");
831 if ((read_tty == 0) && (write_ssl == 0))
834 case SSL_ERROR_WANT_X509_LOOKUP:
835 BIO_printf(bio_c_out,"read X BLOCK\n");
837 case SSL_ERROR_SYSCALL:
838 BIO_printf(bio_err,"read:errno=%d\n",get_last_socket_error());
840 case SSL_ERROR_ZERO_RETURN:
841 BIO_printf(bio_c_out,"closed\n");
844 ERR_print_errors(bio_err);
850 #ifdef OPENSSL_SYS_WINDOWS
851 #ifdef OPENSSL_SYS_WINCE
854 else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
857 else if (FD_ISSET(fileno(stdin),&readfds))
864 i=read(fileno(stdin),cbuf,BUFSIZZ/2);
866 /* both loops are skipped when i <= 0 */
867 for (j = 0; j < i; j++)
870 for (j = i-1; j >= 0; j--)
872 cbuf[j+lf_num] = cbuf[j];
877 cbuf[j+lf_num] = '\r';
883 i=read(fileno(stdin),cbuf,BUFSIZZ);
885 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q')))
887 BIO_printf(bio_err,"DONE\n");
891 if ((!c_ign_eof) && (cbuf[0] == 'R'))
893 BIO_printf(bio_err,"RENEGOTIATING\n");
894 SSL_renegotiate(con);
901 #ifdef CHARSET_EBCDIC
902 ebcdic2ascii(cbuf, cbuf, i);
912 SHUTDOWN(SSL_get_fd(con));
915 if(prexit) print_stuff(bio_c_out,con,1);
916 if (con != NULL) SSL_free(con);
917 if (con2 != NULL) SSL_free(con2);
918 if (ctx != NULL) SSL_CTX_free(ctx);
919 if (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); }
920 if (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); }
921 if (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); }
922 if (bio_c_out != NULL)
932 static void print_stuff(BIO *bio, SSL *s, int full)
936 static char *space=" ";
939 STACK_OF(X509_NAME) *sk2;
948 sk=SSL_get_peer_cert_chain(s);
951 got_a_chain = 1; /* we don't have it for SSL2 (yet) */
953 BIO_printf(bio,"---\nCertificate chain\n");
954 for (i=0; i<sk_X509_num(sk); i++)
956 X509_NAME_oneline(X509_get_subject_name(
957 sk_X509_value(sk,i)),buf,sizeof buf);
958 BIO_printf(bio,"%2d s:%s\n",i,buf);
959 X509_NAME_oneline(X509_get_issuer_name(
960 sk_X509_value(sk,i)),buf,sizeof buf);
961 BIO_printf(bio," i:%s\n",buf);
963 PEM_write_bio_X509(bio,sk_X509_value(sk,i));
967 BIO_printf(bio,"---\n");
968 peer=SSL_get_peer_certificate(s);
971 BIO_printf(bio,"Server certificate\n");
972 if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */
973 PEM_write_bio_X509(bio,peer);
974 X509_NAME_oneline(X509_get_subject_name(peer),
976 BIO_printf(bio,"subject=%s\n",buf);
977 X509_NAME_oneline(X509_get_issuer_name(peer),
979 BIO_printf(bio,"issuer=%s\n",buf);
982 BIO_printf(bio,"no peer certificate available\n");
984 sk2=SSL_get_client_CA_list(s);
985 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0))
987 BIO_printf(bio,"---\nAcceptable client certificate CA names\n");
988 for (i=0; i<sk_X509_NAME_num(sk2); i++)
990 xn=sk_X509_NAME_value(sk2,i);
991 X509_NAME_oneline(xn,buf,sizeof(buf));
992 BIO_write(bio,buf,strlen(buf));
993 BIO_write(bio,"\n",1);
998 BIO_printf(bio,"---\nNo client certificate CA names sent\n");
1000 p=SSL_get_shared_ciphers(s,buf,sizeof buf);
1003 /* This works only for SSL 2. In later protocol
1004 * versions, the client does not know what other
1005 * ciphers (in addition to the one to be used
1006 * in the current connection) the server supports. */
1008 BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n");
1014 BIO_write(bio,space,15-j%25);
1017 BIO_write(bio,((i%3)?" ":"\n"),1);
1026 BIO_write(bio,"\n",1);
1029 BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n",
1030 BIO_number_read(SSL_get_rbio(s)),
1031 BIO_number_written(SSL_get_wbio(s)));
1033 BIO_printf(bio,((s->hit)?"---\nReused, ":"---\nNew, "));
1034 c=SSL_get_current_cipher(s);
1035 BIO_printf(bio,"%s, Cipher is %s\n",
1036 SSL_CIPHER_get_version(c),
1037 SSL_CIPHER_get_name(c));
1040 pktmp = X509_get_pubkey(peer);
1041 BIO_printf(bio,"Server public key is %d bit\n",
1042 EVP_PKEY_bits(pktmp));
1043 EVP_PKEY_free(pktmp);
1045 SSL_SESSION_print(bio,SSL_get_session(s));
1046 BIO_printf(bio,"---\n");
1049 /* flush, or debugging output gets mixed with http response */