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," -certform arg - certificate format (PEM or DER) PEM default\n");
193 BIO_printf(bio_err," -key arg - Private key file to use, in cert file if\n");
194 BIO_printf(bio_err," not specified but cert file is.\n");
195 BIO_printf(bio_err," -keyform arg - key format (PEM or DER) PEM default\n");
196 BIO_printf(bio_err," -pass arg - private key file pass phrase source\n");
197 BIO_printf(bio_err," -CApath arg - PEM format directory of CA's\n");
198 BIO_printf(bio_err," -CAfile arg - PEM format file of CA's\n");
199 BIO_printf(bio_err," -reconnect - Drop and re-make the connection with the same Session-ID\n");
200 BIO_printf(bio_err," -pause - sleep(1) after each read(2) and write(2) system call\n");
201 BIO_printf(bio_err," -showcerts - show all certificates in the chain\n");
202 BIO_printf(bio_err," -debug - extra output\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 int cert_format = FORMAT_PEM, key_format = FORMAT_PEM;
248 char *passarg = NULL, *pass = NULL;
250 EVP_PKEY *key = NULL;
251 char *CApath=NULL,*CAfile=NULL,*cipher=NULL;
252 int reconnect=0,badop=0,verify=SSL_VERIFY_NONE,bugs=0;
254 int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending;
256 int ret=1,in_init=1,i,nbio_test=0;
257 int starttls_proto = 0;
258 int prexit = 0, vflags = 0;
259 SSL_METHOD *meth=NULL;
262 #ifndef OPENSSL_NO_ENGINE
263 char *engine_id=NULL;
266 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
270 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
271 meth=SSLv23_client_method();
272 #elif !defined(OPENSSL_NO_SSL3)
273 meth=SSLv3_client_method();
274 #elif !defined(OPENSSL_NO_SSL2)
275 meth=SSLv2_client_method();
287 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
289 if (!load_config(bio_err, NULL))
292 if ( ((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
293 ((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
294 ((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL))
296 BIO_printf(bio_err,"out of memory\n");
301 verify_error=X509_V_OK;
310 if (strcmp(*argv,"-host") == 0)
312 if (--argc < 1) goto bad;
315 else if (strcmp(*argv,"-port") == 0)
317 if (--argc < 1) goto bad;
318 port=atoi(*(++argv));
319 if (port == 0) goto bad;
321 else if (strcmp(*argv,"-connect") == 0)
323 if (--argc < 1) goto bad;
324 if (!extract_host_port(*(++argv),&host,NULL,&port))
327 else if (strcmp(*argv,"-verify") == 0)
329 verify=SSL_VERIFY_PEER;
330 if (--argc < 1) goto bad;
331 verify_depth=atoi(*(++argv));
332 BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
334 else if (strcmp(*argv,"-cert") == 0)
336 if (--argc < 1) goto bad;
337 cert_file= *(++argv);
339 else if (strcmp(*argv,"-certform") == 0)
341 if (--argc < 1) goto bad;
342 cert_format = str2fmt(*(++argv));
344 else if (strcmp(*argv,"-crl_check") == 0)
345 vflags |= X509_V_FLAG_CRL_CHECK;
346 else if (strcmp(*argv,"-crl_check_all") == 0)
347 vflags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;
348 else if (strcmp(*argv,"-prexit") == 0)
350 else if (strcmp(*argv,"-crlf") == 0)
352 else if (strcmp(*argv,"-quiet") == 0)
357 else if (strcmp(*argv,"-ign_eof") == 0)
359 else if (strcmp(*argv,"-pause") == 0)
361 else if (strcmp(*argv,"-debug") == 0)
363 else if (strcmp(*argv,"-msg") == 0)
365 else if (strcmp(*argv,"-showcerts") == 0)
367 else if (strcmp(*argv,"-nbio_test") == 0)
369 else if (strcmp(*argv,"-state") == 0)
371 #ifndef OPENSSL_NO_SSL2
372 else if (strcmp(*argv,"-ssl2") == 0)
373 meth=SSLv2_client_method();
375 #ifndef OPENSSL_NO_SSL3
376 else if (strcmp(*argv,"-ssl3") == 0)
377 meth=SSLv3_client_method();
379 #ifndef OPENSSL_NO_TLS1
380 else if (strcmp(*argv,"-tls1") == 0)
381 meth=TLSv1_client_method();
383 else if (strcmp(*argv,"-bugs") == 0)
385 else if (strcmp(*argv,"-keyform") == 0)
387 if (--argc < 1) goto bad;
388 key_format = str2fmt(*(++argv));
390 else if (strcmp(*argv,"-pass") == 0)
392 if (--argc < 1) goto bad;
395 else if (strcmp(*argv,"-key") == 0)
397 if (--argc < 1) goto bad;
400 else if (strcmp(*argv,"-reconnect") == 0)
404 else if (strcmp(*argv,"-CApath") == 0)
406 if (--argc < 1) goto bad;
409 else if (strcmp(*argv,"-CAfile") == 0)
411 if (--argc < 1) goto bad;
414 else if (strcmp(*argv,"-no_tls1") == 0)
415 off|=SSL_OP_NO_TLSv1;
416 else if (strcmp(*argv,"-no_ssl3") == 0)
417 off|=SSL_OP_NO_SSLv3;
418 else if (strcmp(*argv,"-no_ssl2") == 0)
419 off|=SSL_OP_NO_SSLv2;
420 else if (strcmp(*argv,"-serverpref") == 0)
421 off|=SSL_OP_CIPHER_SERVER_PREFERENCE;
422 else if (strcmp(*argv,"-cipher") == 0)
424 if (--argc < 1) goto bad;
428 else if (strcmp(*argv,"-nbio") == 0)
431 else if (strcmp(*argv,"-starttls") == 0)
433 if (--argc < 1) goto bad;
435 if (strcmp(*argv,"smtp") == 0)
437 else if (strcmp(*argv,"pop3") == 0)
442 #ifndef OPENSSL_NO_ENGINE
443 else if (strcmp(*argv,"-engine") == 0)
445 if (--argc < 1) goto bad;
446 engine_id = *(++argv);
449 else if (strcmp(*argv,"-rand") == 0)
451 if (--argc < 1) goto bad;
456 BIO_printf(bio_err,"unknown option %s\n",*argv);
470 OpenSSL_add_ssl_algorithms();
471 SSL_load_error_strings();
473 #ifndef OPENSSL_NO_ENGINE
474 e = setup_engine(bio_err, engine_id, 1);
476 if (!app_passwd(bio_err, passarg, NULL, &pass, NULL))
478 BIO_printf(bio_err, "Error getting password\n");
482 if (key_file == NULL)
483 key_file = cert_file;
485 key = load_key(bio_err, key_file, key_format, 0, pass, e,
486 "client certificate private key file");
489 ERR_print_errors(bio_err);
493 cert = load_cert(bio_err,cert_file,cert_format,
494 NULL, e, "client certificate file");
498 ERR_print_errors(bio_err);
502 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
505 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
508 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
509 app_RAND_load_files(inrand));
511 if (bio_c_out == NULL)
513 if (c_quiet && !c_debug && !c_msg)
515 bio_c_out=BIO_new(BIO_s_null());
519 if (bio_c_out == NULL)
520 bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE);
524 ctx=SSL_CTX_new(meth);
527 ERR_print_errors(bio_err);
532 SSL_CTX_set_options(ctx,SSL_OP_ALL|off);
534 SSL_CTX_set_options(ctx,off);
536 if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
538 if(!SSL_CTX_set_cipher_list(ctx,cipher)) {
539 BIO_printf(bio_err,"error setting cipher list\n");
540 ERR_print_errors(bio_err);
545 SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER"));
548 SSL_CTX_set_verify(ctx,verify,verify_callback);
549 if (!set_cert_key_stuff(ctx,cert,key))
552 if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
553 (!SSL_CTX_set_default_verify_paths(ctx)))
555 /* BIO_printf(bio_err,"error setting default verify locations\n"); */
556 ERR_print_errors(bio_err);
560 store = SSL_CTX_get_cert_store(ctx);
561 X509_STORE_set_flags(store, vflags);
564 #ifndef OPENSSL_NO_KRB5
565 if (con && (con->kssl_ctx = kssl_ctx_new()) != NULL)
567 kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVER, host);
569 #endif /* OPENSSL_NO_KRB5 */
570 /* SSL_set_cipher_list(con,"RC4-MD5"); */
574 if (init_client(&s,host,port) == 0)
576 BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error());
580 BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s);
586 BIO_printf(bio_c_out,"turning on non blocking io\n");
587 if (BIO_socket_ioctl(s,FIONBIO,&l) < 0)
589 ERR_print_errors(bio_err);
594 if (c_Pause & 0x01) con->debug=1;
595 sbio=BIO_new_socket(s,BIO_NOCLOSE);
601 test=BIO_new(BIO_f_nbio_test());
602 sbio=BIO_push(test,sbio);
608 BIO_set_callback(sbio,bio_dump_callback);
609 BIO_set_callback_arg(sbio,bio_c_out);
613 SSL_set_msg_callback(con, msg_cb);
614 SSL_set_msg_callback_arg(con, bio_c_out);
617 SSL_set_bio(con,sbio,sbio);
618 SSL_set_connect_state(con);
620 /* ok, lets connect */
621 width=SSL_get_fd(con)+1;
634 /* This is an ugly hack that does a lot of assumptions */
635 if (starttls_proto == 1)
637 BIO_read(sbio,mbuf,BUFSIZZ);
638 BIO_printf(sbio,"STARTTLS\r\n");
639 BIO_read(sbio,sbuf,BUFSIZZ);
641 if (starttls_proto == 2)
643 BIO_read(sbio,mbuf,BUFSIZZ);
644 BIO_printf(sbio,"STLS\r\n");
645 BIO_read(sbio,sbuf,BUFSIZZ);
653 if (SSL_in_init(con) && !SSL_total_renegotiations(con))
664 print_stuff(bio_c_out,con,full_log);
665 if (full_log > 0) full_log--;
669 BIO_printf(bio_err,"%s",mbuf);
670 /* We don't need to know any more */
677 BIO_printf(bio_c_out,"drop connection and then reconnect\n");
679 SSL_set_connect_state(con);
680 SHUTDOWN(SSL_get_fd(con));
686 ssl_pending = read_ssl && SSL_pending(con);
690 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE)
693 if (read_tty) FD_SET(fileno(stdin),&readfds);
694 if (write_tty) FD_SET(fileno(stdout),&writefds);
697 FD_SET(SSL_get_fd(con),&readfds);
699 FD_SET(SSL_get_fd(con),&writefds);
701 if(!tty_on || !write_tty) {
703 FD_SET(SSL_get_fd(con),&readfds);
705 FD_SET(SSL_get_fd(con),&writefds);
708 /* printf("mode tty(%d %d%d) ssl(%d%d)\n",
709 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
711 /* Note: under VMS with SOCKETSHR the second parameter
712 * is currently of type (int *) whereas under other
713 * systems it is (void *) if you don't have a cast it
714 * will choke the compiler: if you do have a cast then
715 * you can either go for (int *) or (void *).
717 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
718 /* Under Windows/DOS we make the assumption that we can
719 * always write to the tty: therefore if we need to
720 * write to the tty we just fall through. Otherwise
721 * we timeout the select every second and see if there
722 * are any keypresses. Note: this is a hack, in a proper
723 * Windows application we wouldn't do this.
730 i=select(width,(void *)&readfds,(void *)&writefds,
732 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
733 if(!i && (!_kbhit() || !read_tty) ) continue;
735 if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue;
737 } else i=select(width,(void *)&readfds,(void *)&writefds,
740 #elif defined(OPENSSL_SYS_NETWARE)
745 i=select(width,(void *)&readfds,(void *)&writefds,
747 } else i=select(width,(void *)&readfds,(void *)&writefds,
751 i=select(width,(void *)&readfds,(void *)&writefds,
756 BIO_printf(bio_err,"bad select %d\n",
757 get_last_socket_error());
763 if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds))
765 k=SSL_write(con,&(cbuf[cbuf_off]),
766 (unsigned int)cbuf_len);
767 switch (SSL_get_error(con,k))
772 if (k <= 0) goto end;
773 /* we have done a write(con,NULL,0); */
779 else /* if (cbuf_len > 0) */
785 case SSL_ERROR_WANT_WRITE:
786 BIO_printf(bio_c_out,"write W BLOCK\n");
790 case SSL_ERROR_WANT_READ:
791 BIO_printf(bio_c_out,"write R BLOCK\n");
796 case SSL_ERROR_WANT_X509_LOOKUP:
797 BIO_printf(bio_c_out,"write X BLOCK\n");
799 case SSL_ERROR_ZERO_RETURN:
802 BIO_printf(bio_c_out,"shutdown\n");
812 case SSL_ERROR_SYSCALL:
813 if ((k != 0) || (cbuf_len != 0))
815 BIO_printf(bio_err,"write:errno=%d\n",
816 get_last_socket_error());
826 ERR_print_errors(bio_err);
830 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
831 /* Assume Windows/DOS can always write */
832 else if (!ssl_pending && write_tty)
834 else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds))
837 #ifdef CHARSET_EBCDIC
838 ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len);
840 i=write(fileno(stdout),&(sbuf[sbuf_off]),sbuf_len);
844 BIO_printf(bio_c_out,"DONE\n");
857 else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds))
860 { static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } }
863 k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ );
865 /* Demo for pending and peek :-) */
866 k=SSL_read(con,sbuf,16);
868 printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240));
872 switch (SSL_get_error(con,k))
883 case SSL_ERROR_WANT_WRITE:
884 BIO_printf(bio_c_out,"read W BLOCK\n");
888 case SSL_ERROR_WANT_READ:
889 BIO_printf(bio_c_out,"read R BLOCK\n");
892 if ((read_tty == 0) && (write_ssl == 0))
895 case SSL_ERROR_WANT_X509_LOOKUP:
896 BIO_printf(bio_c_out,"read X BLOCK\n");
898 case SSL_ERROR_SYSCALL:
899 BIO_printf(bio_err,"read:errno=%d\n",get_last_socket_error());
901 case SSL_ERROR_ZERO_RETURN:
902 BIO_printf(bio_c_out,"closed\n");
905 ERR_print_errors(bio_err);
911 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
912 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
915 else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
917 #elif defined (OPENSSL_SYS_NETWARE)
920 else if (FD_ISSET(fileno(stdin),&readfds))
927 i=read(fileno(stdin),cbuf,BUFSIZZ/2);
929 /* both loops are skipped when i <= 0 */
930 for (j = 0; j < i; j++)
933 for (j = i-1; j >= 0; j--)
935 cbuf[j+lf_num] = cbuf[j];
940 cbuf[j+lf_num] = '\r';
946 i=read(fileno(stdin),cbuf,BUFSIZZ);
948 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q')))
950 BIO_printf(bio_err,"DONE\n");
954 if ((!c_ign_eof) && (cbuf[0] == 'R'))
956 BIO_printf(bio_err,"RENEGOTIATING\n");
957 SSL_renegotiate(con);
964 #ifdef CHARSET_EBCDIC
965 ebcdic2ascii(cbuf, cbuf, i);
975 SHUTDOWN(SSL_get_fd(con));
978 if(prexit) print_stuff(bio_c_out,con,1);
979 if (con != NULL) SSL_free(con);
980 if (con2 != NULL) SSL_free(con2);
981 if (ctx != NULL) SSL_CTX_free(ctx);
988 if (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); }
989 if (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); }
990 if (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); }
991 if (bio_c_out != NULL)
1001 static void print_stuff(BIO *bio, SSL *s, int full)
1005 static char *space=" ";
1008 STACK_OF(X509_NAME) *sk2;
1012 const COMP_METHOD *comp, *expansion;
1016 int got_a_chain = 0;
1018 sk=SSL_get_peer_cert_chain(s);
1021 got_a_chain = 1; /* we don't have it for SSL2 (yet) */
1023 BIO_printf(bio,"---\nCertificate chain\n");
1024 for (i=0; i<sk_X509_num(sk); i++)
1026 X509_NAME_oneline(X509_get_subject_name(
1027 sk_X509_value(sk,i)),buf,sizeof buf);
1028 BIO_printf(bio,"%2d s:%s\n",i,buf);
1029 X509_NAME_oneline(X509_get_issuer_name(
1030 sk_X509_value(sk,i)),buf,sizeof buf);
1031 BIO_printf(bio," i:%s\n",buf);
1033 PEM_write_bio_X509(bio,sk_X509_value(sk,i));
1037 BIO_printf(bio,"---\n");
1038 peer=SSL_get_peer_certificate(s);
1041 BIO_printf(bio,"Server certificate\n");
1042 if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */
1043 PEM_write_bio_X509(bio,peer);
1044 X509_NAME_oneline(X509_get_subject_name(peer),
1046 BIO_printf(bio,"subject=%s\n",buf);
1047 X509_NAME_oneline(X509_get_issuer_name(peer),
1049 BIO_printf(bio,"issuer=%s\n",buf);
1052 BIO_printf(bio,"no peer certificate available\n");
1054 sk2=SSL_get_client_CA_list(s);
1055 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0))
1057 BIO_printf(bio,"---\nAcceptable client certificate CA names\n");
1058 for (i=0; i<sk_X509_NAME_num(sk2); i++)
1060 xn=sk_X509_NAME_value(sk2,i);
1061 X509_NAME_oneline(xn,buf,sizeof(buf));
1062 BIO_write(bio,buf,strlen(buf));
1063 BIO_write(bio,"\n",1);
1068 BIO_printf(bio,"---\nNo client certificate CA names sent\n");
1070 p=SSL_get_shared_ciphers(s,buf,sizeof buf);
1073 /* This works only for SSL 2. In later protocol
1074 * versions, the client does not know what other
1075 * ciphers (in addition to the one to be used
1076 * in the current connection) the server supports. */
1078 BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n");
1084 BIO_write(bio,space,15-j%25);
1087 BIO_write(bio,((i%3)?" ":"\n"),1);
1096 BIO_write(bio,"\n",1);
1099 BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n",
1100 BIO_number_read(SSL_get_rbio(s)),
1101 BIO_number_written(SSL_get_wbio(s)));
1103 BIO_printf(bio,((s->hit)?"---\nReused, ":"---\nNew, "));
1104 c=SSL_get_current_cipher(s);
1105 BIO_printf(bio,"%s, Cipher is %s\n",
1106 SSL_CIPHER_get_version(c),
1107 SSL_CIPHER_get_name(c));
1110 pktmp = X509_get_pubkey(peer);
1111 BIO_printf(bio,"Server public key is %d bit\n",
1112 EVP_PKEY_bits(pktmp));
1113 EVP_PKEY_free(pktmp);
1115 comp=SSL_get_current_compression(s);
1116 expansion=SSL_get_current_expansion(s);
1117 BIO_printf(bio,"Compression: %s\n",
1118 comp ? SSL_COMP_get_name(comp) : "NONE");
1119 BIO_printf(bio,"Expansion: %s\n",
1120 expansion ? SSL_COMP_get_name(expansion) : "NONE");
1121 SSL_SESSION_print(bio,SSL_get_session(s));
1122 BIO_printf(bio,"---\n");
1125 /* flush, or debugging output gets mixed with http response */