2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
58 /* ====================================================================
59 * Copyright (c) 1998-2006 The OpenSSL Project. All rights reserved.
61 * Redistribution and use in source and binary forms, with or without
62 * modification, are permitted provided that the following conditions
65 * 1. Redistributions of source code must retain the above copyright
66 * notice, this list of conditions and the following disclaimer.
68 * 2. Redistributions in binary form must reproduce the above copyright
69 * notice, this list of conditions and the following disclaimer in
70 * the documentation and/or other materials provided with the
73 * 3. All advertising materials mentioning features or use of this
74 * software must display the following acknowledgment:
75 * "This product includes software developed by the OpenSSL Project
76 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
78 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
79 * endorse or promote products derived from this software without
80 * prior written permission. For written permission, please contact
81 * openssl-core@openssl.org.
83 * 5. Products derived from this software may not be called "OpenSSL"
84 * nor may "OpenSSL" appear in their names without prior written
85 * permission of the OpenSSL Project.
87 * 6. Redistributions of any form whatsoever must retain the following
89 * "This product includes software developed by the OpenSSL Project
90 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
92 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
93 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
94 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
95 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
96 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
97 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
98 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
99 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
100 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
101 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
102 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
103 * OF THE POSSIBILITY OF SUCH DAMAGE.
104 * ====================================================================
106 * This product includes cryptographic software written by Eric Young
107 * (eay@cryptsoft.com). This product includes software written by Tim
108 * Hudson (tjh@cryptsoft.com).
111 /* ====================================================================
112 * Copyright 2005 Nokia. All rights reserved.
114 * The portions of the attached software ("Contribution") is developed by
115 * Nokia Corporation and is licensed pursuant to the OpenSSL open source
118 * The Contribution, originally written by Mika Kousa and Pasi Eronen of
119 * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
120 * support (see RFC 4279) to OpenSSL.
122 * No patent licenses or other rights except those expressly stated in
123 * the OpenSSL open source license shall be deemed granted or received
124 * expressly, by implication, estoppel, or otherwise.
126 * No assurances are provided by Nokia that the Contribution does not
127 * infringe the patent or other intellectual property rights of any third
128 * party or that the license provides you with all the necessary rights
129 * to make use of the Contribution.
131 * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
132 * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
133 * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
134 * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
143 #include <openssl/e_os2.h>
144 #ifdef OPENSSL_NO_STDIO
148 /* With IPv6, it looks like Digital has mixed up the proper order of
149 recursive header file inclusion, resulting in the compiler complaining
150 that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which
151 is needed to have fileno() declared correctly... So let's define u_int */
152 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
154 typedef unsigned int u_int;
159 #include <openssl/x509.h>
160 #include <openssl/ssl.h>
161 #include <openssl/err.h>
162 #include <openssl/pem.h>
163 #include <openssl/rand.h>
164 #include <openssl/ocsp.h>
165 #include <openssl/bn.h>
166 #ifndef OPENSSL_NO_SRP
167 #include <openssl/srp.h>
170 #include "timeouts.h"
172 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
173 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
177 #if defined(OPENSSL_SYS_BEOS_R5)
182 #define PROG s_client_main
184 /*#define SSL_HOST_NAME "www.netscape.com" */
185 /*#define SSL_HOST_NAME "193.118.187.102" */
186 #define SSL_HOST_NAME "localhost"
188 /*#define TEST_CERT "client.pem" */ /* no default cert. */
191 #define BUFSIZZ 1024*8
193 extern int verify_depth;
194 extern int verify_error;
195 extern int verify_return_error;
200 static int c_Pause=0;
201 static int c_debug=0;
202 #ifndef OPENSSL_NO_TLSEXT
203 static int c_tlsextdebug=0;
204 static int c_status_req=0;
205 static int c_proof_debug=0;
208 static int c_showcerts=0;
210 static char *keymatexportlabel=NULL;
211 static int keymatexportlen=20;
213 static void sc_usage(void);
214 static void print_stuff(BIO *berr,SSL *con,int full);
215 #ifndef OPENSSL_NO_TLSEXT
216 static int ocsp_resp_cb(SSL *s, void *arg);
217 static int audit_proof_cb(SSL *s, void *arg);
219 static BIO *bio_c_out=NULL;
220 static BIO *bio_c_msg=NULL;
221 static int c_quiet=0;
222 static int c_ign_eof=0;
224 #ifndef OPENSSL_NO_PSK
225 /* Default PSK identity and key */
226 static char *psk_identity="Client_identity";
227 /*char *psk_key=NULL; by default PSK is not used */
229 static unsigned int psk_client_cb(SSL *ssl, const char *hint, char *identity,
230 unsigned int max_identity_len, unsigned char *psk,
231 unsigned int max_psk_len)
233 unsigned int psk_len = 0;
238 BIO_printf(bio_c_out, "psk_client_cb\n");
241 /* no ServerKeyExchange message*/
243 BIO_printf(bio_c_out,"NULL received PSK identity hint, continuing anyway\n");
246 BIO_printf(bio_c_out, "Received PSK identity hint '%s'\n", hint);
248 /* lookup PSK identity and PSK key based on the given identity hint here */
249 ret = BIO_snprintf(identity, max_identity_len, "%s", psk_identity);
250 if (ret < 0 || (unsigned int)ret > max_identity_len)
253 BIO_printf(bio_c_out, "created identity '%s' len=%d\n", identity, ret);
254 ret=BN_hex2bn(&bn, psk_key);
257 BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key);
263 if ((unsigned int)BN_num_bytes(bn) > max_psk_len)
265 BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n",
266 max_psk_len, BN_num_bytes(bn));
271 psk_len=BN_bn2bin(bn, psk);
277 BIO_printf(bio_c_out, "created PSK len=%d\n", psk_len);
282 BIO_printf(bio_err, "Error in PSK client callback\n");
287 static void sc_usage(void)
289 BIO_printf(bio_err,"usage: s_client args\n");
290 BIO_printf(bio_err,"\n");
291 BIO_printf(bio_err," -host host - use -connect instead\n");
292 BIO_printf(bio_err," -port port - use -connect instead\n");
293 BIO_printf(bio_err," -connect host:port - who to connect to (default is %s:%s)\n",SSL_HOST_NAME,PORT_STR);
295 BIO_printf(bio_err," -verify arg - turn on peer certificate verification\n");
296 BIO_printf(bio_err," -cert arg - certificate file to use, PEM format assumed\n");
297 BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
298 BIO_printf(bio_err," -key arg - Private key file to use, in cert file if\n");
299 BIO_printf(bio_err," not specified but cert file is.\n");
300 BIO_printf(bio_err," -keyform arg - key format (PEM or DER) PEM default\n");
301 BIO_printf(bio_err," -pass arg - private key file pass phrase source\n");
302 BIO_printf(bio_err," -CApath arg - PEM format directory of CA's\n");
303 BIO_printf(bio_err," -CAfile arg - PEM format file of CA's\n");
304 BIO_printf(bio_err," -reconnect - Drop and re-make the connection with the same Session-ID\n");
305 BIO_printf(bio_err," -pause - sleep(1) after each read(2) and write(2) system call\n");
306 BIO_printf(bio_err," -showcerts - show all certificates in the chain\n");
307 BIO_printf(bio_err," -debug - extra output\n");
309 BIO_printf(bio_err," -wdebug - WATT-32 tcp debugging\n");
311 BIO_printf(bio_err," -msg - Show protocol messages\n");
312 BIO_printf(bio_err," -nbio_test - more ssl protocol testing\n");
313 BIO_printf(bio_err," -state - print the 'ssl' states\n");
315 BIO_printf(bio_err," -nbio - Run with non-blocking IO\n");
317 BIO_printf(bio_err," -crlf - convert LF from terminal into CRLF\n");
318 BIO_printf(bio_err," -quiet - no s_client output\n");
319 BIO_printf(bio_err," -ign_eof - ignore input eof (default when -quiet)\n");
320 BIO_printf(bio_err," -no_ign_eof - don't ignore input eof\n");
321 #ifndef OPENSSL_NO_PSK
322 BIO_printf(bio_err," -psk_identity arg - PSK identity\n");
323 BIO_printf(bio_err," -psk arg - PSK in hex (without 0x)\n");
324 # ifndef OPENSSL_NO_JPAKE
325 BIO_printf(bio_err," -jpake arg - JPAKE secret to use\n");
328 #ifndef OPENSSL_NO_SRP
329 BIO_printf(bio_err," -srpuser user - SRP authentification for 'user'\n");
330 BIO_printf(bio_err," -srppass arg - password for 'user'\n");
331 BIO_printf(bio_err," -srp_lateuser - SRP username into second ClientHello message\n");
332 BIO_printf(bio_err," -srp_moregroups - Tolerate other than the known g N values.\n");
333 BIO_printf(bio_err," -srp_strength int - minimal mength in bits for N (default %d).\n",SRP_MINIMAL_N);
335 BIO_printf(bio_err," -ssl2 - just use SSLv2\n");
336 BIO_printf(bio_err," -ssl3 - just use SSLv3\n");
337 BIO_printf(bio_err," -tls1_2 - just use TLSv1.2\n");
338 BIO_printf(bio_err," -tls1_1 - just use TLSv1.1\n");
339 BIO_printf(bio_err," -tls1 - just use TLSv1\n");
340 BIO_printf(bio_err," -dtls1 - just use DTLSv1\n");
341 BIO_printf(bio_err," -mtu - set the link layer MTU\n");
342 BIO_printf(bio_err," -no_tls1_2/-no_tls1_1/-no_tls1/-no_ssl3/-no_ssl2 - turn off that protocol\n");
343 BIO_printf(bio_err," -bugs - Switch on all SSL implementation bug workarounds\n");
344 BIO_printf(bio_err," -serverpref - Use server's cipher preferences (only SSLv2)\n");
345 BIO_printf(bio_err," -cipher - preferred cipher to use, use the 'openssl ciphers'\n");
346 BIO_printf(bio_err," command to see what is available\n");
347 BIO_printf(bio_err," -starttls prot - use the STARTTLS command before starting TLS\n");
348 BIO_printf(bio_err," for those protocols that support it, where\n");
349 BIO_printf(bio_err," 'prot' defines which one to assume. Currently,\n");
350 BIO_printf(bio_err," only \"smtp\", \"pop3\", \"imap\", \"ftp\" and \"xmpp\"\n");
351 BIO_printf(bio_err," are supported.\n");
352 #ifndef OPENSSL_NO_ENGINE
353 BIO_printf(bio_err," -engine id - Initialise and use the specified engine\n");
355 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
356 BIO_printf(bio_err," -sess_out arg - file to write SSL session to\n");
357 BIO_printf(bio_err," -sess_in arg - file to read SSL session from\n");
358 #ifndef OPENSSL_NO_TLSEXT
359 BIO_printf(bio_err," -servername host - Set TLS extension servername in ClientHello\n");
360 BIO_printf(bio_err," -tlsextdebug - hex dump of all TLS extensions received\n");
361 BIO_printf(bio_err," -status - request certificate status from server\n");
362 BIO_printf(bio_err," -no_ticket - disable use of RFC4507bis session tickets\n");
363 BIO_printf(bio_err," -proof_debug - request an audit proof and print its hex dump\n");
364 # ifndef OPENSSL_NO_NEXTPROTONEG
365 BIO_printf(bio_err," -nextprotoneg arg - enable NPN extension, considering named protocols supported (comma-separated list)\n");
368 BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
369 BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
370 BIO_printf(bio_err," -keymatexport label - Export keying material using label\n");
371 BIO_printf(bio_err," -keymatexportlen len - Export len bytes of keying material (default 20)\n");
374 #ifndef OPENSSL_NO_TLSEXT
376 /* This is a context that we pass to callbacks */
377 typedef struct tlsextctx_st {
383 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
385 tlsextctx * p = (tlsextctx *) arg;
386 const char * hn= SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
387 if (SSL_get_servername_type(s) != -1)
388 p->ack = !SSL_session_reused(s) && hn != NULL;
390 BIO_printf(bio_err,"Can't use SSL_get_servername\n");
392 return SSL_TLSEXT_ERR_OK;
395 #ifndef OPENSSL_NO_SRP
397 /* This is a context that we pass to all callbacks */
398 typedef struct srp_arg_st
402 int msg; /* copy from c_msg */
403 int debug; /* copy from c_debug */
404 int amp; /* allow more groups */
405 int strength /* minimal size for N */ ;
408 #define SRP_NUMBER_ITERATIONS_FOR_PRIME 64
410 static int srp_Verify_N_and_g(const BIGNUM *N, const BIGNUM *g)
412 BN_CTX *bn_ctx = BN_CTX_new();
413 BIGNUM *p = BN_new();
414 BIGNUM *r = BN_new();
416 g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) &&
417 BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
418 p != NULL && BN_rshift1(p, N) &&
421 BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
424 /* verify g^((N-1)/2) == -1 (mod N) */
425 BN_mod_exp(r, g, p, N, bn_ctx) &&
438 /* This callback is used here for two purposes:
440 - making some primality tests for unknown groups
441 The callback is only called for a non default group.
443 An application does not need the call back at all if
444 only the stanard groups are used. In real life situations,
445 client and server already share well known groups,
446 thus there is no need to verify them.
447 Furthermore, in case that a server actually proposes a group that
448 is not one of those defined in RFC 5054, it is more appropriate
449 to add the group to a static list and then compare since
450 primality tests are rather cpu consuming.
453 static int MS_CALLBACK ssl_srp_verify_param_cb(SSL *s, void *arg)
455 SRP_ARG *srp_arg = (SRP_ARG *)arg;
456 BIGNUM *N = NULL, *g = NULL;
457 if (!(N = SSL_get_srp_N(s)) || !(g = SSL_get_srp_g(s)))
459 if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1)
461 BIO_printf(bio_err, "SRP parameters:\n");
462 BIO_printf(bio_err,"\tN="); BN_print(bio_err,N);
463 BIO_printf(bio_err,"\n\tg="); BN_print(bio_err,g);
464 BIO_printf(bio_err,"\n");
467 if (SRP_check_known_gN_param(g,N))
470 if (srp_arg->amp == 1)
473 BIO_printf(bio_err, "SRP param N and g are not known params, going to check deeper.\n");
475 /* The srp_moregroups is a real debugging feature.
476 Implementors should rather add the value to the known ones.
477 The minimal size has already been tested.
479 if (BN_num_bits(g) <= BN_BITS && srp_Verify_N_and_g(N,g))
482 BIO_printf(bio_err, "SRP param N and g rejected.\n");
486 #define PWD_STRLEN 1024
488 static char * MS_CALLBACK ssl_give_srp_client_pwd_cb(SSL *s, void *arg)
490 SRP_ARG *srp_arg = (SRP_ARG *)arg;
491 char *pass = (char *)OPENSSL_malloc(PWD_STRLEN+1);
495 cb_tmp.password = (char *)srp_arg->srppassin;
496 cb_tmp.prompt_info = "SRP user";
497 if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp))<0)
499 BIO_printf (bio_err, "Can't read Password\n");
509 char *srtp_profiles = NULL;
511 # ifndef OPENSSL_NO_NEXTPROTONEG
512 /* This the context that we pass to next_proto_cb */
513 typedef struct tlsextnextprotoctx_st {
517 } tlsextnextprotoctx;
519 static tlsextnextprotoctx next_proto;
521 static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen, const unsigned char *in, unsigned int inlen, void *arg)
523 tlsextnextprotoctx *ctx = arg;
527 /* We can assume that |in| is syntactically valid. */
529 BIO_printf(bio_c_out, "Protocols advertised by server: ");
530 for (i = 0; i < inlen; )
533 BIO_write(bio_c_out, ", ", 2);
534 BIO_write(bio_c_out, &in[i + 1], in[i]);
537 BIO_write(bio_c_out, "\n", 1);
540 ctx->status = SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len);
541 return SSL_TLSEXT_ERR_OK;
543 # endif /* ndef OPENSSL_NO_NEXTPROTONEG */
556 int MAIN(int, char **);
558 int MAIN(int argc, char **argv)
560 unsigned int off=0, clr=0;
561 unsigned int cert_flags=0;
564 #ifndef OPENSSL_NO_KRB5
567 int s,k,width,state=0;
568 char *cbuf=NULL,*sbuf=NULL,*mbuf=NULL;
569 int cbuf_len,cbuf_off;
570 int sbuf_len,sbuf_off;
571 fd_set readfds,writefds;
574 char *host=SSL_HOST_NAME;
575 char *cert_file=NULL,*key_file=NULL;
576 int cert_format = FORMAT_PEM, key_format = FORMAT_PEM;
577 char *passarg = NULL, *pass = NULL;
579 EVP_PKEY *key = NULL;
580 char *CApath=NULL,*CAfile=NULL,*cipher=NULL;
581 int reconnect=0,badop=0,verify=SSL_VERIFY_NONE,bugs=0;
583 int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending;
585 int ret=1,in_init=1,i,nbio_test=0;
586 int starttls_proto = PROTO_OFF;
588 X509_VERIFY_PARAM *vpm = NULL;
590 const SSL_METHOD *meth=NULL;
591 int socket_type=SOCK_STREAM;
595 struct timeval timeout, *timeoutp;
596 #ifndef OPENSSL_NO_ENGINE
597 char *engine_id=NULL;
598 char *ssl_client_engine_id=NULL;
599 ENGINE *ssl_client_engine=NULL;
602 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
604 #if defined(OPENSSL_SYS_BEOS_R5)
608 #ifndef OPENSSL_NO_TLSEXT
609 char *servername = NULL;
612 char *client_sigalgs=NULL;
613 tlsextctx tlsextcbp =
615 # ifndef OPENSSL_NO_NEXTPROTONEG
616 const char *next_proto_neg_in = NULL;
619 char *sess_in = NULL;
620 char *sess_out = NULL;
621 struct sockaddr peer;
622 int peerlen = sizeof(peer);
623 int enable_timeouts = 0 ;
625 #ifndef OPENSSL_NO_JPAKE
626 char *jpake_secret = NULL;
628 #ifndef OPENSSL_NO_SRP
629 char * srppass = NULL;
630 int srp_lateuser = 0;
631 SRP_ARG srp_arg = {NULL,NULL,0,0,0,1024};
633 SSL_EXCERT *exc = NULL;
635 meth=SSLv23_client_method();
646 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
648 if (!load_config(bio_err, NULL))
651 if ( ((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
652 ((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
653 ((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL))
655 BIO_printf(bio_err,"out of memory\n");
660 verify_error=X509_V_OK;
669 if (strcmp(*argv,"-host") == 0)
671 if (--argc < 1) goto bad;
674 else if (strcmp(*argv,"-port") == 0)
676 if (--argc < 1) goto bad;
677 port=atoi(*(++argv));
678 if (port == 0) goto bad;
680 else if (strcmp(*argv,"-connect") == 0)
682 if (--argc < 1) goto bad;
683 if (!extract_host_port(*(++argv),&host,NULL,&port))
686 else if (strcmp(*argv,"-verify") == 0)
688 verify=SSL_VERIFY_PEER;
689 if (--argc < 1) goto bad;
690 verify_depth=atoi(*(++argv));
691 BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
693 else if (strcmp(*argv,"-cert") == 0)
695 if (--argc < 1) goto bad;
696 cert_file= *(++argv);
698 else if (strcmp(*argv,"-sess_out") == 0)
700 if (--argc < 1) goto bad;
701 sess_out = *(++argv);
703 else if (strcmp(*argv,"-sess_in") == 0)
705 if (--argc < 1) goto bad;
708 else if (strcmp(*argv,"-certform") == 0)
710 if (--argc < 1) goto bad;
711 cert_format = str2fmt(*(++argv));
713 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
719 else if (strcmp(*argv,"-verify_return_error") == 0)
720 verify_return_error = 1;
721 else if (args_excert(&argv, &argc, &badarg, bio_err, &exc))
727 else if (strcmp(*argv,"-prexit") == 0)
729 else if (strcmp(*argv,"-crlf") == 0)
731 else if (strcmp(*argv,"-quiet") == 0)
736 else if (strcmp(*argv,"-ign_eof") == 0)
738 else if (strcmp(*argv,"-no_ign_eof") == 0)
740 else if (strcmp(*argv,"-pause") == 0)
742 else if (strcmp(*argv,"-debug") == 0)
744 #ifndef OPENSSL_NO_TLSEXT
745 else if (strcmp(*argv,"-tlsextdebug") == 0)
747 else if (strcmp(*argv,"-status") == 0)
749 else if (strcmp(*argv,"-proof_debug") == 0)
753 else if (strcmp(*argv,"-wdebug") == 0)
756 else if (strcmp(*argv,"-msg") == 0)
758 else if (strcmp(*argv,"-msgfile") == 0)
760 if (--argc < 1) goto bad;
761 bio_c_msg = BIO_new_file(*(++argv), "w");
763 #ifndef OPENSSL_NO_SSL_TRACE
764 else if (strcmp(*argv,"-trace") == 0)
767 else if (strcmp(*argv,"-showcerts") == 0)
769 else if (strcmp(*argv,"-nbio_test") == 0)
771 else if (strcmp(*argv,"-state") == 0)
773 #ifndef OPENSSL_NO_PSK
774 else if (strcmp(*argv,"-psk_identity") == 0)
776 if (--argc < 1) goto bad;
777 psk_identity=*(++argv);
779 else if (strcmp(*argv,"-psk") == 0)
783 if (--argc < 1) goto bad;
785 for (j = 0; j < strlen(psk_key); j++)
787 if (isxdigit((unsigned char)psk_key[j]))
789 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
794 #ifndef OPENSSL_NO_SRP
795 else if (strcmp(*argv,"-srpuser") == 0)
797 if (--argc < 1) goto bad;
798 srp_arg.srplogin= *(++argv);
799 meth=TLSv1_client_method();
801 else if (strcmp(*argv,"-srppass") == 0)
803 if (--argc < 1) goto bad;
805 meth=TLSv1_client_method();
807 else if (strcmp(*argv,"-srp_strength") == 0)
809 if (--argc < 1) goto bad;
810 srp_arg.strength=atoi(*(++argv));
811 BIO_printf(bio_err,"SRP minimal length for N is %d\n",srp_arg.strength);
812 meth=TLSv1_client_method();
814 else if (strcmp(*argv,"-srp_lateuser") == 0)
817 meth=TLSv1_client_method();
819 else if (strcmp(*argv,"-srp_moregroups") == 0)
822 meth=TLSv1_client_method();
825 #ifndef OPENSSL_NO_SSL2
826 else if (strcmp(*argv,"-ssl2") == 0)
827 meth=SSLv2_client_method();
829 #ifndef OPENSSL_NO_SSL3
830 else if (strcmp(*argv,"-ssl3") == 0)
831 meth=SSLv3_client_method();
833 #ifndef OPENSSL_NO_TLS1
834 else if (strcmp(*argv,"-tls1_2") == 0)
835 meth=TLSv1_2_client_method();
836 else if (strcmp(*argv,"-tls1_1") == 0)
837 meth=TLSv1_1_client_method();
838 else if (strcmp(*argv,"-tls1") == 0)
839 meth=TLSv1_client_method();
841 #ifndef OPENSSL_NO_DTLS1
842 else if (strcmp(*argv,"-dtls1") == 0)
844 meth=DTLSv1_client_method();
845 socket_type=SOCK_DGRAM;
847 else if (strcmp(*argv,"-timeout") == 0)
849 else if (strcmp(*argv,"-mtu") == 0)
851 if (--argc < 1) goto bad;
852 socket_mtu = atol(*(++argv));
855 else if (strcmp(*argv,"-bugs") == 0)
857 else if (strcmp(*argv,"-keyform") == 0)
859 if (--argc < 1) goto bad;
860 key_format = str2fmt(*(++argv));
862 else if (strcmp(*argv,"-pass") == 0)
864 if (--argc < 1) goto bad;
867 else if (strcmp(*argv,"-key") == 0)
869 if (--argc < 1) goto bad;
872 else if (strcmp(*argv,"-reconnect") == 0)
876 else if (strcmp(*argv,"-CApath") == 0)
878 if (--argc < 1) goto bad;
881 else if (strcmp(*argv,"-build_chain") == 0)
883 else if (strcmp(*argv,"-CAfile") == 0)
885 if (--argc < 1) goto bad;
888 else if (strcmp(*argv,"-no_tls1_2") == 0)
889 off|=SSL_OP_NO_TLSv1_2;
890 else if (strcmp(*argv,"-no_tls1_1") == 0)
891 off|=SSL_OP_NO_TLSv1_1;
892 else if (strcmp(*argv,"-no_tls1") == 0)
893 off|=SSL_OP_NO_TLSv1;
894 else if (strcmp(*argv,"-no_ssl3") == 0)
895 off|=SSL_OP_NO_SSLv3;
896 else if (strcmp(*argv,"-no_ssl2") == 0)
897 off|=SSL_OP_NO_SSLv2;
898 else if (strcmp(*argv,"-no_comp") == 0)
899 { off|=SSL_OP_NO_COMPRESSION; }
900 #ifndef OPENSSL_NO_TLSEXT
901 else if (strcmp(*argv,"-no_ticket") == 0)
902 { off|=SSL_OP_NO_TICKET; }
903 # ifndef OPENSSL_NO_NEXTPROTONEG
904 else if (strcmp(*argv,"-nextprotoneg") == 0)
906 if (--argc < 1) goto bad;
907 next_proto_neg_in = *(++argv);
911 else if (strcmp(*argv,"-serverpref") == 0)
912 off|=SSL_OP_CIPHER_SERVER_PREFERENCE;
913 else if (strcmp(*argv,"-legacy_renegotiation") == 0)
914 off|=SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION;
915 else if (strcmp(*argv,"-legacy_server_connect") == 0)
916 { off|=SSL_OP_LEGACY_SERVER_CONNECT; }
917 else if (strcmp(*argv,"-no_legacy_server_connect") == 0)
918 { clr|=SSL_OP_LEGACY_SERVER_CONNECT; }
919 else if (strcmp(*argv,"-cipher") == 0)
921 if (--argc < 1) goto bad;
925 else if (strcmp(*argv,"-nbio") == 0)
928 else if (strcmp(*argv,"-starttls") == 0)
930 if (--argc < 1) goto bad;
932 if (strcmp(*argv,"smtp") == 0)
933 starttls_proto = PROTO_SMTP;
934 else if (strcmp(*argv,"pop3") == 0)
935 starttls_proto = PROTO_POP3;
936 else if (strcmp(*argv,"imap") == 0)
937 starttls_proto = PROTO_IMAP;
938 else if (strcmp(*argv,"ftp") == 0)
939 starttls_proto = PROTO_FTP;
940 else if (strcmp(*argv, "xmpp") == 0)
941 starttls_proto = PROTO_XMPP;
945 #ifndef OPENSSL_NO_ENGINE
946 else if (strcmp(*argv,"-engine") == 0)
948 if (--argc < 1) goto bad;
949 engine_id = *(++argv);
951 else if (strcmp(*argv,"-ssl_client_engine") == 0)
953 if (--argc < 1) goto bad;
954 ssl_client_engine_id = *(++argv);
957 else if (strcmp(*argv,"-rand") == 0)
959 if (--argc < 1) goto bad;
962 #ifndef OPENSSL_NO_TLSEXT
963 else if (strcmp(*argv,"-servername") == 0)
965 if (--argc < 1) goto bad;
966 servername= *(++argv);
967 /* meth=TLSv1_client_method(); */
969 else if (strcmp(*argv,"-curves") == 0)
971 if (--argc < 1) goto bad;
974 else if (strcmp(*argv,"-sigalgs") == 0)
976 if (--argc < 1) goto bad;
979 else if (strcmp(*argv,"-client_sigalgs") == 0)
981 if (--argc < 1) goto bad;
982 client_sigalgs= *(++argv);
985 #ifndef OPENSSL_NO_JPAKE
986 else if (strcmp(*argv,"-jpake") == 0)
988 if (--argc < 1) goto bad;
989 jpake_secret = *++argv;
992 else if (strcmp(*argv,"-use_srtp") == 0)
994 if (--argc < 1) goto bad;
995 srtp_profiles = *(++argv);
997 else if (strcmp(*argv,"-keymatexport") == 0)
999 if (--argc < 1) goto bad;
1000 keymatexportlabel= *(++argv);
1002 else if (strcmp(*argv,"-keymatexportlen") == 0)
1004 if (--argc < 1) goto bad;
1005 keymatexportlen=atoi(*(++argv));
1006 if (keymatexportlen == 0) goto bad;
1008 else if (strcmp(*argv, "-cert_strict") == 0)
1009 cert_flags |= SSL_CERT_FLAG_TLS_STRICT;
1010 #ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL
1011 else if (strcmp(*argv, "-debug_broken_protocol") == 0)
1012 cert_flags |= SSL_CERT_FLAG_BROKEN_PROTCOL;
1016 BIO_printf(bio_err,"unknown option %s\n",*argv);
1030 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1036 "Can't use JPAKE and PSK together\n");
1039 psk_identity = "JPAKE";
1044 BIO_printf(bio_err, "JPAKE sets cipher to PSK\n");
1050 OpenSSL_add_ssl_algorithms();
1051 SSL_load_error_strings();
1053 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
1054 next_proto.status = -1;
1055 if (next_proto_neg_in)
1057 next_proto.data = next_protos_parse(&next_proto.len, next_proto_neg_in);
1058 if (next_proto.data == NULL)
1060 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n");
1065 next_proto.data = NULL;
1068 #ifndef OPENSSL_NO_ENGINE
1069 e = setup_engine(bio_err, engine_id, 1);
1070 if (ssl_client_engine_id)
1072 ssl_client_engine = ENGINE_by_id(ssl_client_engine_id);
1073 if (!ssl_client_engine)
1076 "Error getting client auth engine\n");
1082 if (!app_passwd(bio_err, passarg, NULL, &pass, NULL))
1084 BIO_printf(bio_err, "Error getting password\n");
1088 if (key_file == NULL)
1089 key_file = cert_file;
1096 key = load_key(bio_err, key_file, key_format, 0, pass, e,
1097 "client certificate private key file");
1100 ERR_print_errors(bio_err);
1109 cert = load_cert(bio_err,cert_file,cert_format,
1110 NULL, e, "client certificate file");
1114 ERR_print_errors(bio_err);
1119 if (!load_excert(&exc, bio_err))
1122 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1125 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
1128 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
1129 app_RAND_load_files(inrand));
1131 if (bio_c_out == NULL)
1133 if (c_quiet && !c_debug && !c_msg)
1135 bio_c_out=BIO_new(BIO_s_null());
1139 if (bio_c_out == NULL)
1140 bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE);
1144 #ifndef OPENSSL_NO_SRP
1145 if(!app_passwd(bio_err, srppass, NULL, &srp_arg.srppassin, NULL))
1147 BIO_printf(bio_err, "Error getting password\n");
1152 ctx=SSL_CTX_new(meth);
1155 ERR_print_errors(bio_err);
1160 SSL_CTX_set1_param(ctx, vpm);
1162 #ifndef OPENSSL_NO_ENGINE
1163 if (ssl_client_engine)
1165 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine))
1167 BIO_puts(bio_err, "Error setting client auth engine\n");
1168 ERR_print_errors(bio_err);
1169 ENGINE_free(ssl_client_engine);
1172 ENGINE_free(ssl_client_engine);
1176 #ifndef OPENSSL_NO_PSK
1177 #ifdef OPENSSL_NO_JPAKE
1178 if (psk_key != NULL)
1180 if (psk_key != NULL || jpake_secret)
1184 BIO_printf(bio_c_out, "PSK key given or JPAKE in use, setting client callback\n");
1185 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
1187 if (srtp_profiles != NULL)
1188 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1191 SSL_CTX_set_options(ctx,SSL_OP_ALL|off);
1193 SSL_CTX_set_options(ctx,off);
1196 SSL_CTX_clear_options(ctx, clr);
1197 if (cert_flags) SSL_CTX_set_cert_flags(ctx, cert_flags);
1198 if (exc) ssl_ctx_set_excert(ctx, exc);
1199 /* DTLS: partial reads end up discarding unread UDP bytes :-(
1200 * Setting read ahead solves this problem.
1202 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1204 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
1205 if (next_proto.data)
1206 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
1209 if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1211 if(!SSL_CTX_set_cipher_list(ctx,cipher)) {
1212 BIO_printf(bio_err,"error setting cipher list\n");
1213 ERR_print_errors(bio_err);
1218 SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER"));
1221 SSL_CTX_set_verify(ctx,verify,verify_callback);
1223 if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
1224 (!SSL_CTX_set_default_verify_paths(ctx)))
1226 /* BIO_printf(bio_err,"error setting default verify locations\n"); */
1227 ERR_print_errors(bio_err);
1231 if (!set_cert_key_stuff(ctx,cert,key, NULL, build_chain))
1234 #ifndef OPENSSL_NO_TLSEXT
1236 if(!SSL_CTX_set1_curves_list(ctx,curves)) {
1237 BIO_printf(bio_err,"error setting curve list\n");
1238 ERR_print_errors(bio_err);
1241 if (sigalgs != NULL)
1242 if(!SSL_CTX_set1_sigalgs_list(ctx,sigalgs)) {
1243 BIO_printf(bio_err,"error setting signature algorithms list\n");
1244 ERR_print_errors(bio_err);
1247 if (client_sigalgs != NULL)
1248 if(!SSL_CTX_set1_client_sigalgs_list(ctx,client_sigalgs)) {
1249 BIO_printf(bio_err,"error setting client signature algorithms list\n");
1250 ERR_print_errors(bio_err);
1253 if (servername != NULL)
1255 tlsextcbp.biodebug = bio_err;
1256 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1257 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1259 #ifndef OPENSSL_NO_SRP
1260 if (srp_arg.srplogin)
1262 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin))
1264 BIO_printf(bio_err,"Unable to set SRP username\n");
1267 srp_arg.msg = c_msg;
1268 srp_arg.debug = c_debug ;
1269 SSL_CTX_set_srp_cb_arg(ctx,&srp_arg);
1270 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb);
1271 SSL_CTX_set_srp_strength(ctx, srp_arg.strength);
1272 if (c_msg || c_debug || srp_arg.amp == 0)
1273 SSL_CTX_set_srp_verify_param_callback(ctx, ssl_srp_verify_param_cb);
1278 SSL_CTX_set_tlsext_authz_server_audit_proof_cb(ctx,
1286 BIO *stmp = BIO_new_file(sess_in, "r");
1289 BIO_printf(bio_err, "Can't open session file %s\n",
1291 ERR_print_errors(bio_err);
1294 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1298 BIO_printf(bio_err, "Can't open session file %s\n",
1300 ERR_print_errors(bio_err);
1303 SSL_set_session(con, sess);
1304 SSL_SESSION_free(sess);
1306 #ifndef OPENSSL_NO_TLSEXT
1307 if (servername != NULL)
1309 if (!SSL_set_tlsext_host_name(con,servername))
1311 BIO_printf(bio_err,"Unable to set TLS servername extension.\n");
1312 ERR_print_errors(bio_err);
1317 #ifndef OPENSSL_NO_KRB5
1318 if (con && (kctx = kssl_ctx_new()) != NULL)
1320 SSL_set0_kssl_ctx(con, kctx);
1321 kssl_ctx_setstring(kctx, KSSL_SERVER, host);
1323 #endif /* OPENSSL_NO_KRB5 */
1324 /* SSL_set_cipher_list(con,"RC4-MD5"); */
1326 #ifdef TLSEXT_TYPE_opaque_prf_input
1327 SSL_set_tlsext_opaque_prf_input(con, "Test client", 11);
1333 if (init_client(&s,host,port,socket_type) == 0)
1335 BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error());
1339 BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s);
1345 BIO_printf(bio_c_out,"turning on non blocking io\n");
1346 if (BIO_socket_ioctl(s,FIONBIO,&l) < 0)
1348 ERR_print_errors(bio_err);
1353 if (c_Pause & 0x01) SSL_set_debug(con, 1);
1355 if ( SSL_version(con) == DTLS1_VERSION)
1358 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
1359 if (getsockname(s, &peer, (void *)&peerlen) < 0)
1361 BIO_printf(bio_err, "getsockname:errno=%d\n",
1362 get_last_socket_error());
1367 (void)BIO_ctrl_set_connected(sbio, 1, &peer);
1369 if (enable_timeouts)
1372 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1373 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1376 timeout.tv_usec = DGRAM_SND_TIMEOUT;
1377 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1380 if (socket_mtu > 28)
1382 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1383 SSL_set_mtu(con, socket_mtu - 28);
1386 /* want to do MTU discovery */
1387 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1390 sbio=BIO_new_socket(s,BIO_NOCLOSE);
1396 test=BIO_new(BIO_f_nbio_test());
1397 sbio=BIO_push(test,sbio);
1402 SSL_set_debug(con, 1);
1403 BIO_set_callback(sbio,bio_dump_callback);
1404 BIO_set_callback_arg(sbio,(char *)bio_c_out);
1408 #ifndef OPENSSL_NO_SSL_TRACE
1410 SSL_set_msg_callback(con, SSL_trace);
1413 SSL_set_msg_callback(con, msg_cb);
1414 SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out);
1416 #ifndef OPENSSL_NO_TLSEXT
1419 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1420 SSL_set_tlsext_debug_arg(con, bio_c_out);
1424 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
1425 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
1426 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
1429 STACK_OF(OCSP_RESPID) *ids = sk_OCSP_RESPID_new_null();
1430 OCSP_RESPID *id = OCSP_RESPID_new();
1431 id->value.byKey = ASN1_OCTET_STRING_new();
1432 id->type = V_OCSP_RESPID_KEY;
1433 ASN1_STRING_set(id->value.byKey, "Hello World", -1);
1434 sk_OCSP_RESPID_push(ids, id);
1435 SSL_set_tlsext_status_ids(con, ids);
1440 #ifndef OPENSSL_NO_JPAKE
1442 jpake_client_auth(bio_c_out, sbio, jpake_secret);
1445 SSL_set_bio(con,sbio,sbio);
1446 SSL_set_connect_state(con);
1448 /* ok, lets connect */
1449 width=SSL_get_fd(con)+1;
1462 /* This is an ugly hack that does a lot of assumptions */
1463 /* We do have to handle multi-line responses which may come
1464 in a single packet or not. We therefore have to use
1465 BIO_gets() which does need a buffering BIO. So during
1466 the initial chitchat we do push a buffering BIO into the
1467 chain that is removed again later on to not disturb the
1468 rest of the s_client operation. */
1469 if (starttls_proto == PROTO_SMTP)
1472 BIO *fbio = BIO_new(BIO_f_buffer());
1473 BIO_push(fbio, sbio);
1474 /* wait for multi-line response to end from SMTP */
1477 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1479 while (mbuf_len>3 && mbuf[3]=='-');
1480 /* STARTTLS command requires EHLO... */
1481 BIO_printf(fbio,"EHLO openssl.client.net\r\n");
1482 (void)BIO_flush(fbio);
1483 /* wait for multi-line response to end EHLO SMTP response */
1486 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1487 if (strstr(mbuf,"STARTTLS"))
1490 while (mbuf_len>3 && mbuf[3]=='-');
1491 (void)BIO_flush(fbio);
1496 "didn't found starttls in server response,"
1497 " try anyway...\n");
1498 BIO_printf(sbio,"STARTTLS\r\n");
1499 BIO_read(sbio,sbuf,BUFSIZZ);
1501 else if (starttls_proto == PROTO_POP3)
1503 BIO_read(sbio,mbuf,BUFSIZZ);
1504 BIO_printf(sbio,"STLS\r\n");
1505 BIO_read(sbio,sbuf,BUFSIZZ);
1507 else if (starttls_proto == PROTO_IMAP)
1510 BIO *fbio = BIO_new(BIO_f_buffer());
1511 BIO_push(fbio, sbio);
1512 BIO_gets(fbio,mbuf,BUFSIZZ);
1513 /* STARTTLS command requires CAPABILITY... */
1514 BIO_printf(fbio,". CAPABILITY\r\n");
1515 (void)BIO_flush(fbio);
1516 /* wait for multi-line CAPABILITY response */
1519 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1520 if (strstr(mbuf,"STARTTLS"))
1523 while (mbuf_len>3 && mbuf[0]!='.');
1524 (void)BIO_flush(fbio);
1529 "didn't found STARTTLS in server response,"
1530 " try anyway...\n");
1531 BIO_printf(sbio,". STARTTLS\r\n");
1532 BIO_read(sbio,sbuf,BUFSIZZ);
1534 else if (starttls_proto == PROTO_FTP)
1536 BIO *fbio = BIO_new(BIO_f_buffer());
1537 BIO_push(fbio, sbio);
1538 /* wait for multi-line response to end from FTP */
1541 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1543 while (mbuf_len>3 && mbuf[3]=='-');
1544 (void)BIO_flush(fbio);
1547 BIO_printf(sbio,"AUTH TLS\r\n");
1548 BIO_read(sbio,sbuf,BUFSIZZ);
1550 if (starttls_proto == PROTO_XMPP)
1553 BIO_printf(sbio,"<stream:stream "
1554 "xmlns:stream='http://etherx.jabber.org/streams' "
1555 "xmlns='jabber:client' to='%s' version='1.0'>", host);
1556 seen = BIO_read(sbio,mbuf,BUFSIZZ);
1558 while (!strstr(mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'"))
1560 if (strstr(mbuf, "/stream:features>"))
1562 seen = BIO_read(sbio,mbuf,BUFSIZZ);
1565 BIO_printf(sbio, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
1566 seen = BIO_read(sbio,sbuf,BUFSIZZ);
1568 if (!strstr(sbuf, "<proceed"))
1578 if ((SSL_version(con) == DTLS1_VERSION) &&
1579 DTLSv1_get_timeout(con, &timeout))
1580 timeoutp = &timeout;
1584 if (SSL_in_init(con) && !SSL_total_renegotiations(con))
1595 #if 0 /* This test doesn't really work as intended (needs to be fixed) */
1596 #ifndef OPENSSL_NO_TLSEXT
1597 if (servername != NULL && !SSL_session_reused(con))
1599 BIO_printf(bio_c_out,"Server did %sacknowledge servername extension.\n",tlsextcbp.ack?"":"not ");
1605 BIO *stmp = BIO_new_file(sess_out, "w");
1608 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));
1612 BIO_printf(bio_err, "Error writing session file %s\n", sess_out);
1614 print_stuff(bio_c_out,con,full_log);
1615 if (full_log > 0) full_log--;
1619 BIO_printf(bio_err,"%s",mbuf);
1620 /* We don't need to know any more */
1621 starttls_proto = PROTO_OFF;
1627 BIO_printf(bio_c_out,"drop connection and then reconnect\n");
1629 SSL_set_connect_state(con);
1630 SHUTDOWN(SSL_get_fd(con));
1636 ssl_pending = read_ssl && SSL_pending(con);
1640 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined (OPENSSL_SYS_BEOS_R5)
1643 if (read_tty) openssl_fdset(fileno(stdin),&readfds);
1644 if (write_tty) openssl_fdset(fileno(stdout),&writefds);
1647 openssl_fdset(SSL_get_fd(con),&readfds);
1649 openssl_fdset(SSL_get_fd(con),&writefds);
1651 if(!tty_on || !write_tty) {
1653 openssl_fdset(SSL_get_fd(con),&readfds);
1655 openssl_fdset(SSL_get_fd(con),&writefds);
1658 /* printf("mode tty(%d %d%d) ssl(%d%d)\n",
1659 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
1661 /* Note: under VMS with SOCKETSHR the second parameter
1662 * is currently of type (int *) whereas under other
1663 * systems it is (void *) if you don't have a cast it
1664 * will choke the compiler: if you do have a cast then
1665 * you can either go for (int *) or (void *).
1667 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1668 /* Under Windows/DOS we make the assumption that we can
1669 * always write to the tty: therefore if we need to
1670 * write to the tty we just fall through. Otherwise
1671 * we timeout the select every second and see if there
1672 * are any keypresses. Note: this is a hack, in a proper
1673 * Windows application we wouldn't do this.
1680 i=select(width,(void *)&readfds,(void *)&writefds,
1682 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1683 if(!i && (!_kbhit() || !read_tty) ) continue;
1685 if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue;
1687 } else i=select(width,(void *)&readfds,(void *)&writefds,
1690 #elif defined(OPENSSL_SYS_NETWARE)
1695 i=select(width,(void *)&readfds,(void *)&writefds,
1697 } else i=select(width,(void *)&readfds,(void *)&writefds,
1700 #elif defined(OPENSSL_SYS_BEOS_R5)
1701 /* Under BeOS-R5 the situation is similar to DOS */
1704 (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
1709 i=select(width,(void *)&readfds,(void *)&writefds,
1711 if (read(fileno(stdin), sbuf, 0) >= 0)
1713 if (!i && (stdin_set != 1 || !read_tty))
1715 } else i=select(width,(void *)&readfds,(void *)&writefds,
1718 (void)fcntl(fileno(stdin), F_SETFL, 0);
1720 i=select(width,(void *)&readfds,(void *)&writefds,
1725 BIO_printf(bio_err,"bad select %d\n",
1726 get_last_socket_error());
1732 if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
1734 BIO_printf(bio_err,"TIMEOUT occured\n");
1737 if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds))
1739 k=SSL_write(con,&(cbuf[cbuf_off]),
1740 (unsigned int)cbuf_len);
1741 switch (SSL_get_error(con,k))
1743 case SSL_ERROR_NONE:
1746 if (k <= 0) goto end;
1747 /* we have done a write(con,NULL,0); */
1753 else /* if (cbuf_len > 0) */
1759 case SSL_ERROR_WANT_WRITE:
1760 BIO_printf(bio_c_out,"write W BLOCK\n");
1764 case SSL_ERROR_WANT_READ:
1765 BIO_printf(bio_c_out,"write R BLOCK\n");
1770 case SSL_ERROR_WANT_X509_LOOKUP:
1771 BIO_printf(bio_c_out,"write X BLOCK\n");
1773 case SSL_ERROR_ZERO_RETURN:
1776 BIO_printf(bio_c_out,"shutdown\n");
1787 case SSL_ERROR_SYSCALL:
1788 if ((k != 0) || (cbuf_len != 0))
1790 BIO_printf(bio_err,"write:errno=%d\n",
1791 get_last_socket_error());
1801 ERR_print_errors(bio_err);
1805 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
1806 /* Assume Windows/DOS/BeOS can always write */
1807 else if (!ssl_pending && write_tty)
1809 else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds))
1812 #ifdef CHARSET_EBCDIC
1813 ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len);
1815 i=raw_write_stdout(&(sbuf[sbuf_off]),sbuf_len);
1819 BIO_printf(bio_c_out,"DONE\n");
1833 else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds))
1836 { static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } }
1839 k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ );
1841 /* Demo for pending and peek :-) */
1842 k=SSL_read(con,sbuf,16);
1844 printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240));
1848 switch (SSL_get_error(con,k))
1850 case SSL_ERROR_NONE:
1859 case SSL_ERROR_WANT_WRITE:
1860 BIO_printf(bio_c_out,"read W BLOCK\n");
1864 case SSL_ERROR_WANT_READ:
1865 BIO_printf(bio_c_out,"read R BLOCK\n");
1868 if ((read_tty == 0) && (write_ssl == 0))
1871 case SSL_ERROR_WANT_X509_LOOKUP:
1872 BIO_printf(bio_c_out,"read X BLOCK\n");
1874 case SSL_ERROR_SYSCALL:
1875 ret=get_last_socket_error();
1876 BIO_printf(bio_err,"read:errno=%d\n",ret);
1878 case SSL_ERROR_ZERO_RETURN:
1879 BIO_printf(bio_c_out,"closed\n");
1883 ERR_print_errors(bio_err);
1889 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1890 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1893 else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
1895 #elif defined (OPENSSL_SYS_NETWARE)
1897 #elif defined(OPENSSL_SYS_BEOS_R5)
1900 else if (FD_ISSET(fileno(stdin),&readfds))
1907 i=raw_read_stdin(cbuf,BUFSIZZ/2);
1909 /* both loops are skipped when i <= 0 */
1910 for (j = 0; j < i; j++)
1911 if (cbuf[j] == '\n')
1913 for (j = i-1; j >= 0; j--)
1915 cbuf[j+lf_num] = cbuf[j];
1916 if (cbuf[j] == '\n')
1920 cbuf[j+lf_num] = '\r';
1923 assert(lf_num == 0);
1926 i=raw_read_stdin(cbuf,BUFSIZZ);
1928 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q')))
1930 BIO_printf(bio_err,"DONE\n");
1935 if ((!c_ign_eof) && (cbuf[0] == 'R'))
1937 BIO_printf(bio_err,"RENEGOTIATING\n");
1938 SSL_renegotiate(con);
1941 #ifndef OPENSSL_NO_HEARTBEATS
1942 else if ((!c_ign_eof) && (cbuf[0] == 'B'))
1944 BIO_printf(bio_err,"HEARTBEATING\n");
1953 #ifdef CHARSET_EBCDIC
1954 ebcdic2ascii(cbuf, cbuf, i);
1966 print_stuff(bio_c_out,con,full_log);
1968 SHUTDOWN(SSL_get_fd(con));
1973 print_stuff(bio_c_out,con,1);
1976 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
1977 if (next_proto.data)
1978 OPENSSL_free(next_proto.data);
1980 if (ctx != NULL) SSL_CTX_free(ctx);
1987 ssl_excert_free(exc);
1988 if (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); }
1989 if (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); }
1990 if (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); }
1991 if (bio_c_out != NULL)
1993 BIO_free(bio_c_out);
1996 if (bio_c_msg != NULL)
1998 BIO_free(bio_c_msg);
2006 static void print_stuff(BIO *bio, SSL *s, int full)
2010 static const char *space=" ";
2013 STACK_OF(X509_NAME) *sk2;
2014 const SSL_CIPHER *c;
2017 #ifndef OPENSSL_NO_COMP
2018 const COMP_METHOD *comp, *expansion;
2020 unsigned char *exportedkeymat;
2024 int got_a_chain = 0;
2026 sk=SSL_get_peer_cert_chain(s);
2029 got_a_chain = 1; /* we don't have it for SSL2 (yet) */
2031 BIO_printf(bio,"---\nCertificate chain\n");
2032 for (i=0; i<sk_X509_num(sk); i++)
2034 X509_NAME_oneline(X509_get_subject_name(
2035 sk_X509_value(sk,i)),buf,sizeof buf);
2036 BIO_printf(bio,"%2d s:%s\n",i,buf);
2037 X509_NAME_oneline(X509_get_issuer_name(
2038 sk_X509_value(sk,i)),buf,sizeof buf);
2039 BIO_printf(bio," i:%s\n",buf);
2041 PEM_write_bio_X509(bio,sk_X509_value(sk,i));
2045 BIO_printf(bio,"---\n");
2046 peer=SSL_get_peer_certificate(s);
2049 BIO_printf(bio,"Server certificate\n");
2050 if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */
2051 PEM_write_bio_X509(bio,peer);
2052 X509_NAME_oneline(X509_get_subject_name(peer),
2054 BIO_printf(bio,"subject=%s\n",buf);
2055 X509_NAME_oneline(X509_get_issuer_name(peer),
2057 BIO_printf(bio,"issuer=%s\n",buf);
2060 BIO_printf(bio,"no peer certificate available\n");
2062 sk2=SSL_get_client_CA_list(s);
2063 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0))
2065 BIO_printf(bio,"---\nAcceptable client certificate CA names\n");
2066 for (i=0; i<sk_X509_NAME_num(sk2); i++)
2068 xn=sk_X509_NAME_value(sk2,i);
2069 X509_NAME_oneline(xn,buf,sizeof(buf));
2070 BIO_write(bio,buf,strlen(buf));
2071 BIO_write(bio,"\n",1);
2076 BIO_printf(bio,"---\nNo client certificate CA names sent\n");
2078 p=SSL_get_shared_ciphers(s,buf,sizeof buf);
2081 /* This works only for SSL 2. In later protocol
2082 * versions, the client does not know what other
2083 * ciphers (in addition to the one to be used
2084 * in the current connection) the server supports. */
2086 BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n");
2092 BIO_write(bio,space,15-j%25);
2095 BIO_write(bio,((i%3)?" ":"\n"),1);
2104 BIO_write(bio,"\n",1);
2107 ssl_print_sigalgs(bio, s);
2108 ssl_print_tmp_key(bio, s);
2110 BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n",
2111 BIO_number_read(SSL_get_rbio(s)),
2112 BIO_number_written(SSL_get_wbio(s)));
2114 BIO_printf(bio,(SSL_cache_hit(s)?"---\nReused, ":"---\nNew, "));
2115 c=SSL_get_current_cipher(s);
2116 BIO_printf(bio,"%s, Cipher is %s\n",
2117 SSL_CIPHER_get_version(c),
2118 SSL_CIPHER_get_name(c));
2121 pktmp = X509_get_pubkey(peer);
2122 BIO_printf(bio,"Server public key is %d bit\n",
2123 EVP_PKEY_bits(pktmp));
2124 EVP_PKEY_free(pktmp);
2126 BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
2127 SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
2128 #ifndef OPENSSL_NO_COMP
2129 comp=SSL_get_current_compression(s);
2130 expansion=SSL_get_current_expansion(s);
2131 BIO_printf(bio,"Compression: %s\n",
2132 comp ? SSL_COMP_get_name(comp) : "NONE");
2133 BIO_printf(bio,"Expansion: %s\n",
2134 expansion ? SSL_COMP_get_name(expansion) : "NONE");
2139 /* Print out local port of connection: useful for debugging */
2141 struct sockaddr_in ladd;
2142 socklen_t ladd_size = sizeof(ladd);
2143 sock = SSL_get_fd(s);
2144 getsockname(sock, (struct sockaddr *)&ladd, &ladd_size);
2145 BIO_printf(bio_c_out, "LOCAL PORT is %u\n", ntohs(ladd.sin_port));
2149 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2150 if (next_proto.status != -1) {
2151 const unsigned char *proto;
2152 unsigned int proto_len;
2153 SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
2154 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
2155 BIO_write(bio, proto, proto_len);
2156 BIO_write(bio, "\n", 1);
2161 SRTP_PROTECTION_PROFILE *srtp_profile=SSL_get_selected_srtp_profile(s);
2164 BIO_printf(bio,"SRTP Extension negotiated, profile=%s\n",
2165 srtp_profile->name);
2168 SSL_SESSION_print(bio,SSL_get_session(s));
2169 if (keymatexportlabel != NULL)
2171 BIO_printf(bio, "Keying material exporter:\n");
2172 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel);
2173 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen);
2174 exportedkeymat = OPENSSL_malloc(keymatexportlen);
2175 if (exportedkeymat != NULL)
2177 if (!SSL_export_keying_material(s, exportedkeymat,
2180 strlen(keymatexportlabel),
2183 BIO_printf(bio, " Error\n");
2187 BIO_printf(bio, " Keying material: ");
2188 for (i=0; i<keymatexportlen; i++)
2189 BIO_printf(bio, "%02X",
2191 BIO_printf(bio, "\n");
2193 OPENSSL_free(exportedkeymat);
2196 BIO_printf(bio,"---\n");
2199 /* flush, or debugging output gets mixed with http response */
2200 (void)BIO_flush(bio);
2203 #ifndef OPENSSL_NO_TLSEXT
2205 static int ocsp_resp_cb(SSL *s, void *arg)
2207 const unsigned char *p;
2210 len = SSL_get_tlsext_status_ocsp_resp(s, &p);
2211 BIO_puts(arg, "OCSP response: ");
2214 BIO_puts(arg, "no response sent\n");
2217 rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
2220 BIO_puts(arg, "response parse error\n");
2221 BIO_dump_indent(arg, (char *)p, len, 4);
2224 BIO_puts(arg, "\n======================================\n");
2225 OCSP_RESPONSE_print(arg, rsp, 0);
2226 BIO_puts(arg, "======================================\n");
2227 OCSP_RESPONSE_free(rsp);
2231 static int audit_proof_cb(SSL *s, void *arg)
2233 const unsigned char *proof;
2236 SSL_SESSION *sess = SSL_get_session(s);
2238 proof = SSL_SESSION_get_tlsext_authz_server_audit_proof(sess,
2242 BIO_printf(bio_c_out, "Audit proof: ");
2243 for (i = 0; i < proof_len; ++i)
2244 BIO_printf(bio_c_out, "%02X", proof[i]);
2245 BIO_printf(bio_c_out, "\n");
2249 BIO_printf(bio_c_out, "No audit proof found.\n");