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_WINCE
140 /* Windows CE incorrectly defines fileno as returning void*, so to avoid problems below... */
144 #define fileno(a) (int)_fileno(a)
148 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
149 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
154 #define PROG s_client_main
156 /*#define SSL_HOST_NAME "www.netscape.com" */
157 /*#define SSL_HOST_NAME "193.118.187.102" */
158 #define SSL_HOST_NAME "localhost"
160 /*#define TEST_CERT "client.pem" */ /* no default cert. */
163 #define BUFSIZZ 1024*8
165 extern int verify_depth;
166 extern int verify_error;
171 static int c_Pause=0;
172 static int c_debug=0;
174 static int c_showcerts=0;
176 static void sc_usage(void);
177 static void print_stuff(BIO *berr,SSL *con,int full);
178 static BIO *bio_c_out=NULL;
179 static int c_quiet=0;
180 static int c_ign_eof=0;
182 static void sc_usage(void)
184 BIO_printf(bio_err,"usage: s_client args\n");
185 BIO_printf(bio_err,"\n");
186 BIO_printf(bio_err," -host host - use -connect instead\n");
187 BIO_printf(bio_err," -port port - use -connect instead\n");
188 BIO_printf(bio_err," -connect host:port - who to connect to (default is %s:%s)\n",SSL_HOST_NAME,PORT_STR);
190 BIO_printf(bio_err," -verify arg - turn on peer certificate verification\n");
191 BIO_printf(bio_err," -cert arg - certificate file to use, PEM format assumed\n");
192 BIO_printf(bio_err," -key arg - Private key file to use, PEM format assumed, in cert file if\n");
193 BIO_printf(bio_err," not specified but cert file is.\n");
194 BIO_printf(bio_err," -CApath arg - PEM format directory of CA's\n");
195 BIO_printf(bio_err," -CAfile arg - PEM format file of CA's\n");
196 BIO_printf(bio_err," -reconnect - Drop and re-make the connection with the same Session-ID\n");
197 BIO_printf(bio_err," -pause - sleep(1) after each read(2) and write(2) system call\n");
198 BIO_printf(bio_err," -showcerts - show all certificates in the chain\n");
199 BIO_printf(bio_err," -debug - extra output\n");
201 BIO_printf(bio_err," -wdebug - WATT-32 tcp debugging\n");
203 BIO_printf(bio_err," -msg - Show protocol messages\n");
204 BIO_printf(bio_err," -nbio_test - more ssl protocol testing\n");
205 BIO_printf(bio_err," -state - print the 'ssl' states\n");
207 BIO_printf(bio_err," -nbio - Run with non-blocking IO\n");
209 BIO_printf(bio_err," -crlf - convert LF from terminal into CRLF\n");
210 BIO_printf(bio_err," -quiet - no s_client output\n");
211 BIO_printf(bio_err," -ign_eof - ignore input eof (default when -quiet)\n");
212 BIO_printf(bio_err," -ssl2 - just use SSLv2\n");
213 BIO_printf(bio_err," -ssl3 - just use SSLv3\n");
214 BIO_printf(bio_err," -tls1 - just use TLSv1\n");
215 BIO_printf(bio_err," -no_tls1/-no_ssl3/-no_ssl2 - turn off that protocol\n");
216 BIO_printf(bio_err," -bugs - Switch on all SSL implementation bug workarounds\n");
217 BIO_printf(bio_err," -serverpref - Use server's cipher preferences (only SSLv2)\n");
218 BIO_printf(bio_err," -cipher - preferred cipher to use, use the 'openssl ciphers'\n");
219 BIO_printf(bio_err," command to see what is available\n");
220 BIO_printf(bio_err," -starttls prot - use the STARTTLS command before starting TLS\n");
221 BIO_printf(bio_err," for those protocols that support it, where\n");
222 BIO_printf(bio_err," 'prot' defines which one to assume. Currently,\n");
223 BIO_printf(bio_err," only \"smtp\" and \"pop3\" are supported.\n");
224 #ifndef OPENSSL_NO_ENGINE
225 BIO_printf(bio_err," -engine id - Initialise and use the specified engine\n");
227 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
231 int MAIN(int, char **);
233 int MAIN(int argc, char **argv)
236 SSL *con=NULL,*con2=NULL;
237 X509_STORE *store = NULL;
238 int s,k,width,state=0;
239 char *cbuf=NULL,*sbuf=NULL,*mbuf=NULL;
240 int cbuf_len,cbuf_off;
241 int sbuf_len,sbuf_off;
242 fd_set readfds,writefds;
245 char *host=SSL_HOST_NAME;
246 char *cert_file=NULL,*key_file=NULL;
247 char *CApath=NULL,*CAfile=NULL,*cipher=NULL;
248 int reconnect=0,badop=0,verify=SSL_VERIFY_NONE,bugs=0;
250 int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending;
252 int ret=1,in_init=1,i,nbio_test=0;
253 int starttls_proto = 0;
254 int prexit = 0, vflags = 0;
255 SSL_METHOD *meth=NULL;
258 #ifndef OPENSSL_NO_ENGINE
259 char *engine_id=NULL;
262 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
266 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
267 meth=SSLv23_client_method();
268 #elif !defined(OPENSSL_NO_SSL3)
269 meth=SSLv3_client_method();
270 #elif !defined(OPENSSL_NO_SSL2)
271 meth=SSLv2_client_method();
283 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
285 if (!load_config(bio_err, NULL))
288 if ( ((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
289 ((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
290 ((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL))
292 BIO_printf(bio_err,"out of memory\n");
297 verify_error=X509_V_OK;
306 if (strcmp(*argv,"-host") == 0)
308 if (--argc < 1) goto bad;
311 else if (strcmp(*argv,"-port") == 0)
313 if (--argc < 1) goto bad;
314 port=atoi(*(++argv));
315 if (port == 0) goto bad;
317 else if (strcmp(*argv,"-connect") == 0)
319 if (--argc < 1) goto bad;
320 if (!extract_host_port(*(++argv),&host,NULL,&port))
323 else if (strcmp(*argv,"-verify") == 0)
325 verify=SSL_VERIFY_PEER;
326 if (--argc < 1) goto bad;
327 verify_depth=atoi(*(++argv));
328 BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
330 else if (strcmp(*argv,"-cert") == 0)
332 if (--argc < 1) goto bad;
333 cert_file= *(++argv);
335 else if (strcmp(*argv,"-crl_check") == 0)
336 vflags |= X509_V_FLAG_CRL_CHECK;
337 else if (strcmp(*argv,"-crl_check_all") == 0)
338 vflags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;
339 else if (strcmp(*argv,"-prexit") == 0)
341 else if (strcmp(*argv,"-crlf") == 0)
343 else if (strcmp(*argv,"-quiet") == 0)
348 else if (strcmp(*argv,"-ign_eof") == 0)
350 else if (strcmp(*argv,"-pause") == 0)
352 else if (strcmp(*argv,"-debug") == 0)
355 else if (strcmp(*argv,"-wdebug") == 0)
358 else if (strcmp(*argv,"-msg") == 0)
360 else if (strcmp(*argv,"-showcerts") == 0)
362 else if (strcmp(*argv,"-nbio_test") == 0)
364 else if (strcmp(*argv,"-state") == 0)
366 #ifndef OPENSSL_NO_SSL2
367 else if (strcmp(*argv,"-ssl2") == 0)
368 meth=SSLv2_client_method();
370 #ifndef OPENSSL_NO_SSL3
371 else if (strcmp(*argv,"-ssl3") == 0)
372 meth=SSLv3_client_method();
374 #ifndef OPENSSL_NO_TLS1
375 else if (strcmp(*argv,"-tls1") == 0)
376 meth=TLSv1_client_method();
378 else if (strcmp(*argv,"-bugs") == 0)
380 else if (strcmp(*argv,"-key") == 0)
382 if (--argc < 1) goto bad;
385 else if (strcmp(*argv,"-reconnect") == 0)
389 else if (strcmp(*argv,"-CApath") == 0)
391 if (--argc < 1) goto bad;
394 else if (strcmp(*argv,"-CAfile") == 0)
396 if (--argc < 1) goto bad;
399 else if (strcmp(*argv,"-no_tls1") == 0)
400 off|=SSL_OP_NO_TLSv1;
401 else if (strcmp(*argv,"-no_ssl3") == 0)
402 off|=SSL_OP_NO_SSLv3;
403 else if (strcmp(*argv,"-no_ssl2") == 0)
404 off|=SSL_OP_NO_SSLv2;
405 else if (strcmp(*argv,"-serverpref") == 0)
406 off|=SSL_OP_CIPHER_SERVER_PREFERENCE;
407 else if (strcmp(*argv,"-cipher") == 0)
409 if (--argc < 1) goto bad;
413 else if (strcmp(*argv,"-nbio") == 0)
416 else if (strcmp(*argv,"-starttls") == 0)
418 if (--argc < 1) goto bad;
420 if (strcmp(*argv,"smtp") == 0)
422 else if (strcmp(*argv,"pop3") == 0)
427 #ifndef OPENSSL_NO_ENGINE
428 else if (strcmp(*argv,"-engine") == 0)
430 if (--argc < 1) goto bad;
431 engine_id = *(++argv);
434 else if (strcmp(*argv,"-rand") == 0)
436 if (--argc < 1) goto bad;
441 BIO_printf(bio_err,"unknown option %s\n",*argv);
455 OpenSSL_add_ssl_algorithms();
456 SSL_load_error_strings();
458 #ifndef OPENSSL_NO_ENGINE
459 e = setup_engine(bio_err, engine_id, 1);
462 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
465 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
468 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
469 app_RAND_load_files(inrand));
471 if (bio_c_out == NULL)
473 if (c_quiet && !c_debug && !c_msg)
475 bio_c_out=BIO_new(BIO_s_null());
479 if (bio_c_out == NULL)
480 bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE);
484 ctx=SSL_CTX_new(meth);
487 ERR_print_errors(bio_err);
492 SSL_CTX_set_options(ctx,SSL_OP_ALL|off);
494 SSL_CTX_set_options(ctx,off);
496 if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
498 if(!SSL_CTX_set_cipher_list(ctx,cipher)) {
499 BIO_printf(bio_err,"error setting cipher list\n");
500 ERR_print_errors(bio_err);
505 SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER"));
508 SSL_CTX_set_verify(ctx,verify,verify_callback);
509 if (!set_cert_stuff(ctx,cert_file,key_file))
512 if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
513 (!SSL_CTX_set_default_verify_paths(ctx)))
515 /* BIO_printf(bio_err,"error setting default verify locations\n"); */
516 ERR_print_errors(bio_err);
520 store = SSL_CTX_get_cert_store(ctx);
521 X509_STORE_set_flags(store, vflags);
524 #ifndef OPENSSL_NO_KRB5
525 if (con && (con->kssl_ctx = kssl_ctx_new()) != NULL)
527 kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVER, host);
529 #endif /* OPENSSL_NO_KRB5 */
530 /* SSL_set_cipher_list(con,"RC4-MD5"); */
534 if (init_client(&s,host,port) == 0)
536 BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error());
540 BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s);
546 BIO_printf(bio_c_out,"turning on non blocking io\n");
547 if (BIO_socket_ioctl(s,FIONBIO,&l) < 0)
549 ERR_print_errors(bio_err);
554 if (c_Pause & 0x01) con->debug=1;
555 sbio=BIO_new_socket(s,BIO_NOCLOSE);
561 test=BIO_new(BIO_f_nbio_test());
562 sbio=BIO_push(test,sbio);
568 BIO_set_callback(sbio,bio_dump_cb);
569 BIO_set_callback_arg(sbio,bio_c_out);
573 SSL_set_msg_callback(con, msg_cb);
574 SSL_set_msg_callback_arg(con, bio_c_out);
577 SSL_set_bio(con,sbio,sbio);
578 SSL_set_connect_state(con);
580 /* ok, lets connect */
581 width=SSL_get_fd(con)+1;
594 /* This is an ugly hack that does a lot of assumptions */
595 if (starttls_proto == 1)
597 BIO_read(sbio,mbuf,BUFSIZZ);
598 BIO_printf(sbio,"EHLO some.host.name\r\n");
599 BIO_read(sbio,mbuf,BUFSIZZ);
600 BIO_printf(sbio,"STARTTLS\r\n");
601 BIO_read(sbio,sbuf,BUFSIZZ);
603 if (starttls_proto == 2)
605 BIO_read(sbio,mbuf,BUFSIZZ);
606 BIO_printf(sbio,"STLS\r\n");
607 BIO_read(sbio,sbuf,BUFSIZZ);
615 if (SSL_in_init(con) && !SSL_total_renegotiations(con))
626 print_stuff(bio_c_out,con,full_log);
627 if (full_log > 0) full_log--;
631 BIO_printf(bio_err,"%s",mbuf);
632 /* We don't need to know any more */
639 BIO_printf(bio_c_out,"drop connection and then reconnect\n");
641 SSL_set_connect_state(con);
642 SHUTDOWN(SSL_get_fd(con));
648 ssl_pending = read_ssl && SSL_pending(con);
652 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
655 if (read_tty) FD_SET(fileno(stdin),&readfds);
656 if (write_tty) FD_SET(fileno(stdout),&writefds);
659 FD_SET(SSL_get_fd(con),&readfds);
661 FD_SET(SSL_get_fd(con),&writefds);
663 if(!tty_on || !write_tty) {
665 FD_SET(SSL_get_fd(con),&readfds);
667 FD_SET(SSL_get_fd(con),&writefds);
670 /* printf("mode tty(%d %d%d) ssl(%d%d)\n",
671 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
673 /* Note: under VMS with SOCKETSHR the second parameter
674 * is currently of type (int *) whereas under other
675 * systems it is (void *) if you don't have a cast it
676 * will choke the compiler: if you do have a cast then
677 * you can either go for (int *) or (void *).
679 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
680 /* Under Windows/DOS we make the assumption that we can
681 * always write to the tty: therefore if we need to
682 * write to the tty we just fall through. Otherwise
683 * we timeout the select every second and see if there
684 * are any keypresses. Note: this is a hack, in a proper
685 * Windows application we wouldn't do this.
692 i=select(width,(void *)&readfds,(void *)&writefds,
694 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
695 if(!i && (!_kbhit() || !read_tty) ) continue;
697 if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue;
699 } else i=select(width,(void *)&readfds,(void *)&writefds,
703 i=select(width,(void *)&readfds,(void *)&writefds,
708 BIO_printf(bio_err,"bad select %d\n",
709 get_last_socket_error());
715 if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds))
717 k=SSL_write(con,&(cbuf[cbuf_off]),
718 (unsigned int)cbuf_len);
719 switch (SSL_get_error(con,k))
724 if (k <= 0) goto end;
725 /* we have done a write(con,NULL,0); */
731 else /* if (cbuf_len > 0) */
737 case SSL_ERROR_WANT_WRITE:
738 BIO_printf(bio_c_out,"write W BLOCK\n");
742 case SSL_ERROR_WANT_READ:
743 BIO_printf(bio_c_out,"write R BLOCK\n");
748 case SSL_ERROR_WANT_X509_LOOKUP:
749 BIO_printf(bio_c_out,"write X BLOCK\n");
751 case SSL_ERROR_ZERO_RETURN:
754 BIO_printf(bio_c_out,"shutdown\n");
764 case SSL_ERROR_SYSCALL:
765 if ((k != 0) || (cbuf_len != 0))
767 BIO_printf(bio_err,"write:errno=%d\n",
768 get_last_socket_error());
778 ERR_print_errors(bio_err);
782 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
783 /* Assume Windows/DOS can always write */
784 else if (!ssl_pending && write_tty)
786 else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds))
789 #ifdef CHARSET_EBCDIC
790 ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len);
792 i=write(fileno(stdout),&(sbuf[sbuf_off]),sbuf_len);
796 BIO_printf(bio_c_out,"DONE\n");
809 else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds))
812 { static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } }
815 k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ );
817 /* Demo for pending and peek :-) */
818 k=SSL_read(con,sbuf,16);
820 printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240));
824 switch (SSL_get_error(con,k))
835 case SSL_ERROR_WANT_WRITE:
836 BIO_printf(bio_c_out,"read W BLOCK\n");
840 case SSL_ERROR_WANT_READ:
841 BIO_printf(bio_c_out,"read R BLOCK\n");
844 if ((read_tty == 0) && (write_ssl == 0))
847 case SSL_ERROR_WANT_X509_LOOKUP:
848 BIO_printf(bio_c_out,"read X BLOCK\n");
850 case SSL_ERROR_SYSCALL:
851 BIO_printf(bio_err,"read:errno=%d\n",get_last_socket_error());
853 case SSL_ERROR_ZERO_RETURN:
854 BIO_printf(bio_c_out,"closed\n");
857 ERR_print_errors(bio_err);
863 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
864 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
867 else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
870 else if (FD_ISSET(fileno(stdin),&readfds))
877 i=read(fileno(stdin),cbuf,BUFSIZZ/2);
879 /* both loops are skipped when i <= 0 */
880 for (j = 0; j < i; j++)
883 for (j = i-1; j >= 0; j--)
885 cbuf[j+lf_num] = cbuf[j];
890 cbuf[j+lf_num] = '\r';
896 i=read(fileno(stdin),cbuf,BUFSIZZ);
898 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q')))
900 BIO_printf(bio_err,"DONE\n");
904 if ((!c_ign_eof) && (cbuf[0] == 'R'))
906 BIO_printf(bio_err,"RENEGOTIATING\n");
907 SSL_renegotiate(con);
914 #ifdef CHARSET_EBCDIC
915 ebcdic2ascii(cbuf, cbuf, i);
925 SHUTDOWN(SSL_get_fd(con));
928 if(prexit) print_stuff(bio_c_out,con,1);
929 if (con != NULL) SSL_free(con);
930 if (con2 != NULL) SSL_free(con2);
931 if (ctx != NULL) SSL_CTX_free(ctx);
932 if (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); }
933 if (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); }
934 if (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); }
935 if (bio_c_out != NULL)
945 static void print_stuff(BIO *bio, SSL *s, int full)
949 static char *space=" ";
952 STACK_OF(X509_NAME) *sk2;
961 sk=SSL_get_peer_cert_chain(s);
964 got_a_chain = 1; /* we don't have it for SSL2 (yet) */
966 BIO_printf(bio,"---\nCertificate chain\n");
967 for (i=0; i<sk_X509_num(sk); i++)
969 X509_NAME_oneline(X509_get_subject_name(
970 sk_X509_value(sk,i)),buf,sizeof buf);
971 BIO_printf(bio,"%2d s:%s\n",i,buf);
972 X509_NAME_oneline(X509_get_issuer_name(
973 sk_X509_value(sk,i)),buf,sizeof buf);
974 BIO_printf(bio," i:%s\n",buf);
976 PEM_write_bio_X509(bio,sk_X509_value(sk,i));
980 BIO_printf(bio,"---\n");
981 peer=SSL_get_peer_certificate(s);
984 BIO_printf(bio,"Server certificate\n");
985 if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */
986 PEM_write_bio_X509(bio,peer);
987 X509_NAME_oneline(X509_get_subject_name(peer),
989 BIO_printf(bio,"subject=%s\n",buf);
990 X509_NAME_oneline(X509_get_issuer_name(peer),
992 BIO_printf(bio,"issuer=%s\n",buf);
995 BIO_printf(bio,"no peer certificate available\n");
997 sk2=SSL_get_client_CA_list(s);
998 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0))
1000 BIO_printf(bio,"---\nAcceptable client certificate CA names\n");
1001 for (i=0; i<sk_X509_NAME_num(sk2); i++)
1003 xn=sk_X509_NAME_value(sk2,i);
1004 X509_NAME_oneline(xn,buf,sizeof(buf));
1005 BIO_write(bio,buf,strlen(buf));
1006 BIO_write(bio,"\n",1);
1011 BIO_printf(bio,"---\nNo client certificate CA names sent\n");
1013 p=SSL_get_shared_ciphers(s,buf,sizeof buf);
1016 /* This works only for SSL 2. In later protocol
1017 * versions, the client does not know what other
1018 * ciphers (in addition to the one to be used
1019 * in the current connection) the server supports. */
1021 BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n");
1027 BIO_write(bio,space,15-j%25);
1030 BIO_write(bio,((i%3)?" ":"\n"),1);
1039 BIO_write(bio,"\n",1);
1042 BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n",
1043 BIO_number_read(SSL_get_rbio(s)),
1044 BIO_number_written(SSL_get_wbio(s)));
1046 BIO_printf(bio,((s->hit)?"---\nReused, ":"---\nNew, "));
1047 c=SSL_get_current_cipher(s);
1048 BIO_printf(bio,"%s, Cipher is %s\n",
1049 SSL_CIPHER_get_version(c),
1050 SSL_CIPHER_get_name(c));
1053 pktmp = X509_get_pubkey(peer);
1054 BIO_printf(bio,"Server public key is %d bit\n",
1055 EVP_PKEY_bits(pktmp));
1056 EVP_PKEY_free(pktmp);
1058 SSL_SESSION_print(bio,SSL_get_session(s));
1059 BIO_printf(bio,"---\n");
1062 /* flush, or debugging output gets mixed with http response */