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;
196 extern int verify_quiet;
201 static int c_Pause=0;
202 static int c_debug=0;
203 #ifndef OPENSSL_NO_TLSEXT
204 static int c_tlsextdebug=0;
205 static int c_status_req=0;
206 static int c_proof_debug=0;
209 static int c_showcerts=0;
211 static char *keymatexportlabel=NULL;
212 static int keymatexportlen=20;
214 static void sc_usage(void);
215 static void print_stuff(BIO *berr,SSL *con,int full);
216 #ifndef OPENSSL_NO_TLSEXT
217 static int ocsp_resp_cb(SSL *s, void *arg);
218 static int audit_proof_cb(SSL *s, void *arg);
220 static BIO *bio_c_out=NULL;
221 static BIO *bio_c_msg=NULL;
222 static int c_quiet=0;
223 static int c_ign_eof=0;
224 static int c_brief=0;
226 #ifndef OPENSSL_NO_PSK
227 /* Default PSK identity and key */
228 static char *psk_identity="Client_identity";
229 /*char *psk_key=NULL; by default PSK is not used */
231 static unsigned int psk_client_cb(SSL *ssl, const char *hint, char *identity,
232 unsigned int max_identity_len, unsigned char *psk,
233 unsigned int max_psk_len)
235 unsigned int psk_len = 0;
240 BIO_printf(bio_c_out, "psk_client_cb\n");
243 /* no ServerKeyExchange message*/
245 BIO_printf(bio_c_out,"NULL received PSK identity hint, continuing anyway\n");
248 BIO_printf(bio_c_out, "Received PSK identity hint '%s'\n", hint);
250 /* lookup PSK identity and PSK key based on the given identity hint here */
251 ret = BIO_snprintf(identity, max_identity_len, "%s", psk_identity);
252 if (ret < 0 || (unsigned int)ret > max_identity_len)
255 BIO_printf(bio_c_out, "created identity '%s' len=%d\n", identity, ret);
256 ret=BN_hex2bn(&bn, psk_key);
259 BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key);
265 if ((unsigned int)BN_num_bytes(bn) > max_psk_len)
267 BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n",
268 max_psk_len, BN_num_bytes(bn));
273 psk_len=BN_bn2bin(bn, psk);
279 BIO_printf(bio_c_out, "created PSK len=%d\n", psk_len);
284 BIO_printf(bio_err, "Error in PSK client callback\n");
289 static void sc_usage(void)
291 BIO_printf(bio_err,"usage: s_client args\n");
292 BIO_printf(bio_err,"\n");
293 BIO_printf(bio_err," -host host - use -connect instead\n");
294 BIO_printf(bio_err," -port port - use -connect instead\n");
295 BIO_printf(bio_err," -connect host:port - who to connect to (default is %s:%s)\n",SSL_HOST_NAME,PORT_STR);
297 BIO_printf(bio_err," -verify arg - turn on peer certificate verification\n");
298 BIO_printf(bio_err," -cert arg - certificate file to use, PEM format assumed\n");
299 BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
300 BIO_printf(bio_err," -key arg - Private key file to use, in cert file if\n");
301 BIO_printf(bio_err," not specified but cert file is.\n");
302 BIO_printf(bio_err," -keyform arg - key format (PEM or DER) PEM default\n");
303 BIO_printf(bio_err," -pass arg - private key file pass phrase source\n");
304 BIO_printf(bio_err," -CApath arg - PEM format directory of CA's\n");
305 BIO_printf(bio_err," -CAfile arg - PEM format file of CA's\n");
306 BIO_printf(bio_err," -reconnect - Drop and re-make the connection with the same Session-ID\n");
307 BIO_printf(bio_err," -pause - sleep(1) after each read(2) and write(2) system call\n");
308 BIO_printf(bio_err," -showcerts - show all certificates in the chain\n");
309 BIO_printf(bio_err," -debug - extra output\n");
311 BIO_printf(bio_err," -wdebug - WATT-32 tcp debugging\n");
313 BIO_printf(bio_err," -msg - Show protocol messages\n");
314 BIO_printf(bio_err," -nbio_test - more ssl protocol testing\n");
315 BIO_printf(bio_err," -state - print the 'ssl' states\n");
317 BIO_printf(bio_err," -nbio - Run with non-blocking IO\n");
319 BIO_printf(bio_err," -crlf - convert LF from terminal into CRLF\n");
320 BIO_printf(bio_err," -quiet - no s_client output\n");
321 BIO_printf(bio_err," -ign_eof - ignore input eof (default when -quiet)\n");
322 BIO_printf(bio_err," -no_ign_eof - don't ignore input eof\n");
323 #ifndef OPENSSL_NO_PSK
324 BIO_printf(bio_err," -psk_identity arg - PSK identity\n");
325 BIO_printf(bio_err," -psk arg - PSK in hex (without 0x)\n");
326 # ifndef OPENSSL_NO_JPAKE
327 BIO_printf(bio_err," -jpake arg - JPAKE secret to use\n");
330 #ifndef OPENSSL_NO_SRP
331 BIO_printf(bio_err," -srpuser user - SRP authentification for 'user'\n");
332 BIO_printf(bio_err," -srppass arg - password for 'user'\n");
333 BIO_printf(bio_err," -srp_lateuser - SRP username into second ClientHello message\n");
334 BIO_printf(bio_err," -srp_moregroups - Tolerate other than the known g N values.\n");
335 BIO_printf(bio_err," -srp_strength int - minimal mength in bits for N (default %d).\n",SRP_MINIMAL_N);
337 BIO_printf(bio_err," -ssl2 - just use SSLv2\n");
338 BIO_printf(bio_err," -ssl3 - just use SSLv3\n");
339 BIO_printf(bio_err," -tls1_2 - just use TLSv1.2\n");
340 BIO_printf(bio_err," -tls1_1 - just use TLSv1.1\n");
341 BIO_printf(bio_err," -tls1 - just use TLSv1\n");
342 BIO_printf(bio_err," -dtls1 - just use DTLSv1\n");
343 BIO_printf(bio_err," -mtu - set the link layer MTU\n");
344 BIO_printf(bio_err," -no_tls1_2/-no_tls1_1/-no_tls1/-no_ssl3/-no_ssl2 - turn off that protocol\n");
345 BIO_printf(bio_err," -bugs - Switch on all SSL implementation bug workarounds\n");
346 BIO_printf(bio_err," -serverpref - Use server's cipher preferences (only SSLv2)\n");
347 BIO_printf(bio_err," -cipher - preferred cipher to use, use the 'openssl ciphers'\n");
348 BIO_printf(bio_err," command to see what is available\n");
349 BIO_printf(bio_err," -starttls prot - use the STARTTLS command before starting TLS\n");
350 BIO_printf(bio_err," for those protocols that support it, where\n");
351 BIO_printf(bio_err," 'prot' defines which one to assume. Currently,\n");
352 BIO_printf(bio_err," only \"smtp\", \"pop3\", \"imap\", \"ftp\" and \"xmpp\"\n");
353 BIO_printf(bio_err," are supported.\n");
354 #ifndef OPENSSL_NO_ENGINE
355 BIO_printf(bio_err," -engine id - Initialise and use the specified engine\n");
357 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
358 BIO_printf(bio_err," -sess_out arg - file to write SSL session to\n");
359 BIO_printf(bio_err," -sess_in arg - file to read SSL session from\n");
360 #ifndef OPENSSL_NO_TLSEXT
361 BIO_printf(bio_err," -servername host - Set TLS extension servername in ClientHello\n");
362 BIO_printf(bio_err," -tlsextdebug - hex dump of all TLS extensions received\n");
363 BIO_printf(bio_err," -status - request certificate status from server\n");
364 BIO_printf(bio_err," -no_ticket - disable use of RFC4507bis session tickets\n");
365 BIO_printf(bio_err," -proof_debug - request an audit proof and print its hex dump\n");
366 # ifndef OPENSSL_NO_NEXTPROTONEG
367 BIO_printf(bio_err," -nextprotoneg arg - enable NPN extension, considering named protocols supported (comma-separated list)\n");
370 BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
371 BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
372 BIO_printf(bio_err," -keymatexport label - Export keying material using label\n");
373 BIO_printf(bio_err," -keymatexportlen len - Export len bytes of keying material (default 20)\n");
376 #ifndef OPENSSL_NO_TLSEXT
378 /* This is a context that we pass to callbacks */
379 typedef struct tlsextctx_st {
385 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
387 tlsextctx * p = (tlsextctx *) arg;
388 const char * hn= SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
389 if (SSL_get_servername_type(s) != -1)
390 p->ack = !SSL_session_reused(s) && hn != NULL;
392 BIO_printf(bio_err,"Can't use SSL_get_servername\n");
394 return SSL_TLSEXT_ERR_OK;
397 #ifndef OPENSSL_NO_SRP
399 /* This is a context that we pass to all callbacks */
400 typedef struct srp_arg_st
404 int msg; /* copy from c_msg */
405 int debug; /* copy from c_debug */
406 int amp; /* allow more groups */
407 int strength /* minimal size for N */ ;
410 #define SRP_NUMBER_ITERATIONS_FOR_PRIME 64
412 static int srp_Verify_N_and_g(const BIGNUM *N, const BIGNUM *g)
414 BN_CTX *bn_ctx = BN_CTX_new();
415 BIGNUM *p = BN_new();
416 BIGNUM *r = BN_new();
418 g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) &&
419 BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
420 p != NULL && BN_rshift1(p, N) &&
423 BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
426 /* verify g^((N-1)/2) == -1 (mod N) */
427 BN_mod_exp(r, g, p, N, bn_ctx) &&
440 /* This callback is used here for two purposes:
442 - making some primality tests for unknown groups
443 The callback is only called for a non default group.
445 An application does not need the call back at all if
446 only the stanard groups are used. In real life situations,
447 client and server already share well known groups,
448 thus there is no need to verify them.
449 Furthermore, in case that a server actually proposes a group that
450 is not one of those defined in RFC 5054, it is more appropriate
451 to add the group to a static list and then compare since
452 primality tests are rather cpu consuming.
455 static int MS_CALLBACK ssl_srp_verify_param_cb(SSL *s, void *arg)
457 SRP_ARG *srp_arg = (SRP_ARG *)arg;
458 BIGNUM *N = NULL, *g = NULL;
459 if (!(N = SSL_get_srp_N(s)) || !(g = SSL_get_srp_g(s)))
461 if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1)
463 BIO_printf(bio_err, "SRP parameters:\n");
464 BIO_printf(bio_err,"\tN="); BN_print(bio_err,N);
465 BIO_printf(bio_err,"\n\tg="); BN_print(bio_err,g);
466 BIO_printf(bio_err,"\n");
469 if (SRP_check_known_gN_param(g,N))
472 if (srp_arg->amp == 1)
475 BIO_printf(bio_err, "SRP param N and g are not known params, going to check deeper.\n");
477 /* The srp_moregroups is a real debugging feature.
478 Implementors should rather add the value to the known ones.
479 The minimal size has already been tested.
481 if (BN_num_bits(g) <= BN_BITS && srp_Verify_N_and_g(N,g))
484 BIO_printf(bio_err, "SRP param N and g rejected.\n");
488 #define PWD_STRLEN 1024
490 static char * MS_CALLBACK ssl_give_srp_client_pwd_cb(SSL *s, void *arg)
492 SRP_ARG *srp_arg = (SRP_ARG *)arg;
493 char *pass = (char *)OPENSSL_malloc(PWD_STRLEN+1);
497 cb_tmp.password = (char *)srp_arg->srppassin;
498 cb_tmp.prompt_info = "SRP user";
499 if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp))<0)
501 BIO_printf (bio_err, "Can't read Password\n");
511 char *srtp_profiles = NULL;
513 # ifndef OPENSSL_NO_NEXTPROTONEG
514 /* This the context that we pass to next_proto_cb */
515 typedef struct tlsextnextprotoctx_st {
519 } tlsextnextprotoctx;
521 static tlsextnextprotoctx next_proto;
523 static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen, const unsigned char *in, unsigned int inlen, void *arg)
525 tlsextnextprotoctx *ctx = arg;
529 /* We can assume that |in| is syntactically valid. */
531 BIO_printf(bio_c_out, "Protocols advertised by server: ");
532 for (i = 0; i < inlen; )
535 BIO_write(bio_c_out, ", ", 2);
536 BIO_write(bio_c_out, &in[i + 1], in[i]);
539 BIO_write(bio_c_out, "\n", 1);
542 ctx->status = SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len);
543 return SSL_TLSEXT_ERR_OK;
545 # endif /* ndef OPENSSL_NO_NEXTPROTONEG */
558 int MAIN(int, char **);
560 int MAIN(int argc, char **argv)
562 unsigned int off=0, clr=0;
563 unsigned int cert_flags=0;
566 #ifndef OPENSSL_NO_KRB5
569 int s,k,width,state=0;
570 char *cbuf=NULL,*sbuf=NULL,*mbuf=NULL;
571 int cbuf_len,cbuf_off;
572 int sbuf_len,sbuf_off;
573 fd_set readfds,writefds;
576 char *host=SSL_HOST_NAME;
577 char *cert_file=NULL,*key_file=NULL;
578 int cert_format = FORMAT_PEM, key_format = FORMAT_PEM;
579 char *passarg = NULL, *pass = NULL;
581 EVP_PKEY *key = NULL;
582 char *CApath=NULL,*CAfile=NULL,*cipher=NULL;
583 int reconnect=0,badop=0,verify=SSL_VERIFY_NONE,bugs=0;
585 int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending;
587 int ret=1,in_init=1,i,nbio_test=0;
588 int starttls_proto = PROTO_OFF;
590 X509_VERIFY_PARAM *vpm = NULL;
592 const SSL_METHOD *meth=NULL;
593 int socket_type=SOCK_STREAM;
597 struct timeval timeout, *timeoutp;
598 #ifndef OPENSSL_NO_ENGINE
599 char *engine_id=NULL;
600 char *ssl_client_engine_id=NULL;
601 ENGINE *ssl_client_engine=NULL;
604 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
606 #if defined(OPENSSL_SYS_BEOS_R5)
610 #ifndef OPENSSL_NO_TLSEXT
611 char *servername = NULL;
612 const char *curves=NULL;
613 const char *sigalgs=NULL;
614 const char *client_sigalgs=NULL;
615 tlsextctx tlsextcbp =
617 # ifndef OPENSSL_NO_NEXTPROTONEG
618 const char *next_proto_neg_in = NULL;
621 char *sess_in = NULL;
622 char *sess_out = NULL;
623 struct sockaddr peer;
624 int peerlen = sizeof(peer);
625 int enable_timeouts = 0 ;
627 #ifndef OPENSSL_NO_JPAKE
628 char *jpake_secret = NULL;
630 #ifndef OPENSSL_NO_SRP
631 char * srppass = NULL;
632 int srp_lateuser = 0;
633 SRP_ARG srp_arg = {NULL,NULL,0,0,0,1024};
635 SSL_EXCERT *exc = NULL;
637 unsigned char *checkhost = NULL, *checkemail = NULL;
638 char *checkip = NULL;
640 meth=SSLv23_client_method();
651 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
653 if (!load_config(bio_err, NULL))
656 if ( ((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
657 ((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
658 ((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL))
660 BIO_printf(bio_err,"out of memory\n");
665 verify_error=X509_V_OK;
674 if (strcmp(*argv,"-host") == 0)
676 if (--argc < 1) goto bad;
679 else if (strcmp(*argv,"-port") == 0)
681 if (--argc < 1) goto bad;
682 port=atoi(*(++argv));
683 if (port == 0) goto bad;
685 else if (strcmp(*argv,"-connect") == 0)
687 if (--argc < 1) goto bad;
688 if (!extract_host_port(*(++argv),&host,NULL,&port))
691 else if (strcmp(*argv,"-verify") == 0)
693 verify=SSL_VERIFY_PEER;
694 if (--argc < 1) goto bad;
695 verify_depth=atoi(*(++argv));
697 BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
699 else if (strcmp(*argv,"-cert") == 0)
701 if (--argc < 1) goto bad;
702 cert_file= *(++argv);
704 else if (strcmp(*argv,"-sess_out") == 0)
706 if (--argc < 1) goto bad;
707 sess_out = *(++argv);
709 else if (strcmp(*argv,"-sess_in") == 0)
711 if (--argc < 1) goto bad;
714 else if (strcmp(*argv,"-certform") == 0)
716 if (--argc < 1) goto bad;
717 cert_format = str2fmt(*(++argv));
719 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
725 else if (strcmp(*argv,"-verify_return_error") == 0)
726 verify_return_error = 1;
727 else if (strcmp(*argv,"-verify_quiet") == 0)
729 else if (strcmp(*argv,"-brief") == 0)
735 else if (args_excert(&argv, &argc, &badarg, bio_err, &exc))
741 else if (strcmp(*argv,"-prexit") == 0)
743 else if (strcmp(*argv,"-crlf") == 0)
745 else if (strcmp(*argv,"-quiet") == 0)
750 else if (strcmp(*argv,"-ign_eof") == 0)
752 else if (strcmp(*argv,"-no_ign_eof") == 0)
754 else if (strcmp(*argv,"-pause") == 0)
756 else if (strcmp(*argv,"-debug") == 0)
758 #ifndef OPENSSL_NO_TLSEXT
759 else if (strcmp(*argv,"-tlsextdebug") == 0)
761 else if (strcmp(*argv,"-status") == 0)
763 else if (strcmp(*argv,"-proof_debug") == 0)
767 else if (strcmp(*argv,"-wdebug") == 0)
770 else if (strcmp(*argv,"-msg") == 0)
772 else if (strcmp(*argv,"-msgfile") == 0)
774 if (--argc < 1) goto bad;
775 bio_c_msg = BIO_new_file(*(++argv), "w");
777 #ifndef OPENSSL_NO_SSL_TRACE
778 else if (strcmp(*argv,"-trace") == 0)
781 else if (strcmp(*argv,"-showcerts") == 0)
783 else if (strcmp(*argv,"-nbio_test") == 0)
785 else if (strcmp(*argv,"-state") == 0)
787 #ifndef OPENSSL_NO_PSK
788 else if (strcmp(*argv,"-psk_identity") == 0)
790 if (--argc < 1) goto bad;
791 psk_identity=*(++argv);
793 else if (strcmp(*argv,"-psk") == 0)
797 if (--argc < 1) goto bad;
799 for (j = 0; j < strlen(psk_key); j++)
801 if (isxdigit((unsigned char)psk_key[j]))
803 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
808 #ifndef OPENSSL_NO_SRP
809 else if (strcmp(*argv,"-srpuser") == 0)
811 if (--argc < 1) goto bad;
812 srp_arg.srplogin= *(++argv);
813 meth=TLSv1_client_method();
815 else if (strcmp(*argv,"-srppass") == 0)
817 if (--argc < 1) goto bad;
819 meth=TLSv1_client_method();
821 else if (strcmp(*argv,"-srp_strength") == 0)
823 if (--argc < 1) goto bad;
824 srp_arg.strength=atoi(*(++argv));
825 BIO_printf(bio_err,"SRP minimal length for N is %d\n",srp_arg.strength);
826 meth=TLSv1_client_method();
828 else if (strcmp(*argv,"-srp_lateuser") == 0)
831 meth=TLSv1_client_method();
833 else if (strcmp(*argv,"-srp_moregroups") == 0)
836 meth=TLSv1_client_method();
839 #ifndef OPENSSL_NO_SSL2
840 else if (strcmp(*argv,"-ssl2") == 0)
841 meth=SSLv2_client_method();
843 #ifndef OPENSSL_NO_SSL3
844 else if (strcmp(*argv,"-ssl3") == 0)
845 meth=SSLv3_client_method();
847 #ifndef OPENSSL_NO_TLS1
848 else if (strcmp(*argv,"-tls1_2") == 0)
849 meth=TLSv1_2_client_method();
850 else if (strcmp(*argv,"-tls1_1") == 0)
851 meth=TLSv1_1_client_method();
852 else if (strcmp(*argv,"-tls1") == 0)
853 meth=TLSv1_client_method();
855 #ifndef OPENSSL_NO_DTLS1
856 else if (strcmp(*argv,"-dtls1") == 0)
858 meth=DTLSv1_client_method();
859 socket_type=SOCK_DGRAM;
861 else if (strcmp(*argv,"-timeout") == 0)
863 else if (strcmp(*argv,"-mtu") == 0)
865 if (--argc < 1) goto bad;
866 socket_mtu = atol(*(++argv));
869 else if (strcmp(*argv,"-bugs") == 0)
871 else if (strcmp(*argv,"-keyform") == 0)
873 if (--argc < 1) goto bad;
874 key_format = str2fmt(*(++argv));
876 else if (strcmp(*argv,"-pass") == 0)
878 if (--argc < 1) goto bad;
881 else if (strcmp(*argv,"-key") == 0)
883 if (--argc < 1) goto bad;
886 else if (strcmp(*argv,"-reconnect") == 0)
890 else if (strcmp(*argv,"-CApath") == 0)
892 if (--argc < 1) goto bad;
895 else if (strcmp(*argv,"-build_chain") == 0)
897 else if (strcmp(*argv,"-CAfile") == 0)
899 if (--argc < 1) goto bad;
902 else if (strcmp(*argv,"-no_tls1_2") == 0)
903 off|=SSL_OP_NO_TLSv1_2;
904 else if (strcmp(*argv,"-no_tls1_1") == 0)
905 off|=SSL_OP_NO_TLSv1_1;
906 else if (strcmp(*argv,"-no_tls1") == 0)
907 off|=SSL_OP_NO_TLSv1;
908 else if (strcmp(*argv,"-no_ssl3") == 0)
909 off|=SSL_OP_NO_SSLv3;
910 else if (strcmp(*argv,"-no_ssl2") == 0)
911 off|=SSL_OP_NO_SSLv2;
912 else if (strcmp(*argv,"-no_comp") == 0)
913 { off|=SSL_OP_NO_COMPRESSION; }
914 #ifndef OPENSSL_NO_TLSEXT
915 else if (strcmp(*argv,"-no_ticket") == 0)
916 { off|=SSL_OP_NO_TICKET; }
917 # ifndef OPENSSL_NO_NEXTPROTONEG
918 else if (strcmp(*argv,"-nextprotoneg") == 0)
920 if (--argc < 1) goto bad;
921 next_proto_neg_in = *(++argv);
925 else if (strcmp(*argv,"-serverpref") == 0)
926 off|=SSL_OP_CIPHER_SERVER_PREFERENCE;
927 else if (strcmp(*argv,"-legacy_renegotiation") == 0)
928 off|=SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION;
929 else if (strcmp(*argv,"-legacy_server_connect") == 0)
930 { off|=SSL_OP_LEGACY_SERVER_CONNECT; }
931 else if (strcmp(*argv,"-no_legacy_server_connect") == 0)
932 { clr|=SSL_OP_LEGACY_SERVER_CONNECT; }
933 else if (strcmp(*argv,"-cipher") == 0)
935 if (--argc < 1) goto bad;
939 else if (strcmp(*argv,"-nbio") == 0)
942 else if (strcmp(*argv,"-starttls") == 0)
944 if (--argc < 1) goto bad;
946 if (strcmp(*argv,"smtp") == 0)
947 starttls_proto = PROTO_SMTP;
948 else if (strcmp(*argv,"pop3") == 0)
949 starttls_proto = PROTO_POP3;
950 else if (strcmp(*argv,"imap") == 0)
951 starttls_proto = PROTO_IMAP;
952 else if (strcmp(*argv,"ftp") == 0)
953 starttls_proto = PROTO_FTP;
954 else if (strcmp(*argv, "xmpp") == 0)
955 starttls_proto = PROTO_XMPP;
959 #ifndef OPENSSL_NO_ENGINE
960 else if (strcmp(*argv,"-engine") == 0)
962 if (--argc < 1) goto bad;
963 engine_id = *(++argv);
965 else if (strcmp(*argv,"-ssl_client_engine") == 0)
967 if (--argc < 1) goto bad;
968 ssl_client_engine_id = *(++argv);
971 else if (strcmp(*argv,"-rand") == 0)
973 if (--argc < 1) goto bad;
976 #ifndef OPENSSL_NO_TLSEXT
977 else if (strcmp(*argv,"-servername") == 0)
979 if (--argc < 1) goto bad;
980 servername= *(++argv);
981 /* meth=TLSv1_client_method(); */
983 else if (strcmp(*argv,"-curves") == 0)
985 if (--argc < 1) goto bad;
988 else if (strcmp(*argv,"-sigalgs") == 0)
990 if (--argc < 1) goto bad;
993 else if (strcmp(*argv,"-client_sigalgs") == 0)
995 if (--argc < 1) goto bad;
996 client_sigalgs= *(++argv);
999 else if (strcmp(*argv,"-checkhost") == 0)
1001 if (--argc < 1) goto bad;
1002 checkhost=(unsigned char *)*(++argv);
1004 else if (strcmp(*argv,"-checkemail") == 0)
1006 if (--argc < 1) goto bad;
1007 checkemail=(unsigned char *)*(++argv);
1009 else if (strcmp(*argv,"-checkip") == 0)
1011 if (--argc < 1) goto bad;
1014 #ifndef OPENSSL_NO_JPAKE
1015 else if (strcmp(*argv,"-jpake") == 0)
1017 if (--argc < 1) goto bad;
1018 jpake_secret = *++argv;
1021 else if (strcmp(*argv,"-use_srtp") == 0)
1023 if (--argc < 1) goto bad;
1024 srtp_profiles = *(++argv);
1026 else if (strcmp(*argv,"-keymatexport") == 0)
1028 if (--argc < 1) goto bad;
1029 keymatexportlabel= *(++argv);
1031 else if (strcmp(*argv,"-keymatexportlen") == 0)
1033 if (--argc < 1) goto bad;
1034 keymatexportlen=atoi(*(++argv));
1035 if (keymatexportlen == 0) goto bad;
1037 else if (strcmp(*argv, "-cert_strict") == 0)
1038 cert_flags |= SSL_CERT_FLAG_TLS_STRICT;
1039 #ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL
1040 else if (strcmp(*argv, "-debug_broken_protocol") == 0)
1041 cert_flags |= SSL_CERT_FLAG_BROKEN_PROTCOL;
1045 BIO_printf(bio_err,"unknown option %s\n",*argv);
1059 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1065 "Can't use JPAKE and PSK together\n");
1068 psk_identity = "JPAKE";
1073 BIO_printf(bio_err, "JPAKE sets cipher to PSK\n");
1079 OpenSSL_add_ssl_algorithms();
1080 SSL_load_error_strings();
1082 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
1083 next_proto.status = -1;
1084 if (next_proto_neg_in)
1086 next_proto.data = next_protos_parse(&next_proto.len, next_proto_neg_in);
1087 if (next_proto.data == NULL)
1089 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n");
1094 next_proto.data = NULL;
1097 #ifndef OPENSSL_NO_ENGINE
1098 e = setup_engine(bio_err, engine_id, 1);
1099 if (ssl_client_engine_id)
1101 ssl_client_engine = ENGINE_by_id(ssl_client_engine_id);
1102 if (!ssl_client_engine)
1105 "Error getting client auth engine\n");
1111 if (!app_passwd(bio_err, passarg, NULL, &pass, NULL))
1113 BIO_printf(bio_err, "Error getting password\n");
1117 if (key_file == NULL)
1118 key_file = cert_file;
1125 key = load_key(bio_err, key_file, key_format, 0, pass, e,
1126 "client certificate private key file");
1129 ERR_print_errors(bio_err);
1138 cert = load_cert(bio_err,cert_file,cert_format,
1139 NULL, e, "client certificate file");
1143 ERR_print_errors(bio_err);
1148 if (!load_excert(&exc, bio_err))
1151 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1154 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
1157 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
1158 app_RAND_load_files(inrand));
1160 if (bio_c_out == NULL)
1162 if (c_quiet && !c_debug && !c_msg)
1164 bio_c_out=BIO_new(BIO_s_null());
1168 if (bio_c_out == NULL)
1169 bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE);
1173 #ifndef OPENSSL_NO_SRP
1174 if(!app_passwd(bio_err, srppass, NULL, &srp_arg.srppassin, NULL))
1176 BIO_printf(bio_err, "Error getting password\n");
1181 ctx=SSL_CTX_new(meth);
1184 ERR_print_errors(bio_err);
1189 SSL_CTX_set1_param(ctx, vpm);
1191 #ifndef OPENSSL_NO_ENGINE
1192 if (ssl_client_engine)
1194 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine))
1196 BIO_puts(bio_err, "Error setting client auth engine\n");
1197 ERR_print_errors(bio_err);
1198 ENGINE_free(ssl_client_engine);
1201 ENGINE_free(ssl_client_engine);
1205 #ifndef OPENSSL_NO_PSK
1206 #ifdef OPENSSL_NO_JPAKE
1207 if (psk_key != NULL)
1209 if (psk_key != NULL || jpake_secret)
1213 BIO_printf(bio_c_out, "PSK key given or JPAKE in use, setting client callback\n");
1214 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
1216 if (srtp_profiles != NULL)
1217 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1220 SSL_CTX_set_options(ctx,SSL_OP_ALL|off);
1222 SSL_CTX_set_options(ctx,off);
1225 SSL_CTX_clear_options(ctx, clr);
1226 if (cert_flags) SSL_CTX_set_cert_flags(ctx, cert_flags);
1227 if (exc) ssl_ctx_set_excert(ctx, exc);
1228 /* DTLS: partial reads end up discarding unread UDP bytes :-(
1229 * Setting read ahead solves this problem.
1231 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1233 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
1234 if (next_proto.data)
1235 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
1238 if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1240 if(!SSL_CTX_set_cipher_list(ctx,cipher)) {
1241 BIO_printf(bio_err,"error setting cipher list\n");
1242 ERR_print_errors(bio_err);
1247 SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER"));
1250 SSL_CTX_set_verify(ctx,verify,verify_callback);
1252 if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
1253 (!SSL_CTX_set_default_verify_paths(ctx)))
1255 /* BIO_printf(bio_err,"error setting default verify locations\n"); */
1256 ERR_print_errors(bio_err);
1260 if (!set_cert_key_stuff(ctx,cert,key, NULL, build_chain))
1263 #ifndef OPENSSL_NO_TLSEXT
1265 if(!SSL_CTX_set1_curves_list(ctx, curves)) {
1266 BIO_printf(bio_err,"error setting curve list\n");
1267 ERR_print_errors(bio_err);
1270 if (sigalgs != NULL)
1271 if(!SSL_CTX_set1_sigalgs_list(ctx,sigalgs)) {
1272 BIO_printf(bio_err,"error setting signature algorithms list\n");
1273 ERR_print_errors(bio_err);
1276 if (client_sigalgs != NULL)
1277 if(!SSL_CTX_set1_client_sigalgs_list(ctx,client_sigalgs)) {
1278 BIO_printf(bio_err,"error setting client signature algorithms list\n");
1279 ERR_print_errors(bio_err);
1282 if (servername != NULL)
1284 tlsextcbp.biodebug = bio_err;
1285 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1286 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1288 #ifndef OPENSSL_NO_SRP
1289 if (srp_arg.srplogin)
1291 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin))
1293 BIO_printf(bio_err,"Unable to set SRP username\n");
1296 srp_arg.msg = c_msg;
1297 srp_arg.debug = c_debug ;
1298 SSL_CTX_set_srp_cb_arg(ctx,&srp_arg);
1299 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb);
1300 SSL_CTX_set_srp_strength(ctx, srp_arg.strength);
1301 if (c_msg || c_debug || srp_arg.amp == 0)
1302 SSL_CTX_set_srp_verify_param_callback(ctx, ssl_srp_verify_param_cb);
1307 SSL_CTX_set_tlsext_authz_server_audit_proof_cb(ctx,
1315 BIO *stmp = BIO_new_file(sess_in, "r");
1318 BIO_printf(bio_err, "Can't open session file %s\n",
1320 ERR_print_errors(bio_err);
1323 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1327 BIO_printf(bio_err, "Can't open session file %s\n",
1329 ERR_print_errors(bio_err);
1332 SSL_set_session(con, sess);
1333 SSL_SESSION_free(sess);
1335 #ifndef OPENSSL_NO_TLSEXT
1336 if (servername != NULL)
1338 if (!SSL_set_tlsext_host_name(con,servername))
1340 BIO_printf(bio_err,"Unable to set TLS servername extension.\n");
1341 ERR_print_errors(bio_err);
1346 #ifndef OPENSSL_NO_KRB5
1347 if (con && (kctx = kssl_ctx_new()) != NULL)
1349 SSL_set0_kssl_ctx(con, kctx);
1350 kssl_ctx_setstring(kctx, KSSL_SERVER, host);
1352 #endif /* OPENSSL_NO_KRB5 */
1353 /* SSL_set_cipher_list(con,"RC4-MD5"); */
1355 #ifdef TLSEXT_TYPE_opaque_prf_input
1356 SSL_set_tlsext_opaque_prf_input(con, "Test client", 11);
1362 if (init_client(&s,host,port,socket_type) == 0)
1364 BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error());
1368 BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s);
1374 BIO_printf(bio_c_out,"turning on non blocking io\n");
1375 if (BIO_socket_ioctl(s,FIONBIO,&l) < 0)
1377 ERR_print_errors(bio_err);
1382 if (c_Pause & 0x01) SSL_set_debug(con, 1);
1384 if ( SSL_version(con) == DTLS1_VERSION)
1387 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
1388 if (getsockname(s, &peer, (void *)&peerlen) < 0)
1390 BIO_printf(bio_err, "getsockname:errno=%d\n",
1391 get_last_socket_error());
1396 (void)BIO_ctrl_set_connected(sbio, 1, &peer);
1398 if (enable_timeouts)
1401 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1402 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1405 timeout.tv_usec = DGRAM_SND_TIMEOUT;
1406 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1409 if (socket_mtu > 28)
1411 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1412 SSL_set_mtu(con, socket_mtu - 28);
1415 /* want to do MTU discovery */
1416 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1419 sbio=BIO_new_socket(s,BIO_NOCLOSE);
1425 test=BIO_new(BIO_f_nbio_test());
1426 sbio=BIO_push(test,sbio);
1431 SSL_set_debug(con, 1);
1432 BIO_set_callback(sbio,bio_dump_callback);
1433 BIO_set_callback_arg(sbio,(char *)bio_c_out);
1437 #ifndef OPENSSL_NO_SSL_TRACE
1439 SSL_set_msg_callback(con, SSL_trace);
1442 SSL_set_msg_callback(con, msg_cb);
1443 SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out);
1445 #ifndef OPENSSL_NO_TLSEXT
1448 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1449 SSL_set_tlsext_debug_arg(con, bio_c_out);
1453 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
1454 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
1455 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
1458 STACK_OF(OCSP_RESPID) *ids = sk_OCSP_RESPID_new_null();
1459 OCSP_RESPID *id = OCSP_RESPID_new();
1460 id->value.byKey = ASN1_OCTET_STRING_new();
1461 id->type = V_OCSP_RESPID_KEY;
1462 ASN1_STRING_set(id->value.byKey, "Hello World", -1);
1463 sk_OCSP_RESPID_push(ids, id);
1464 SSL_set_tlsext_status_ids(con, ids);
1469 #ifndef OPENSSL_NO_JPAKE
1471 jpake_client_auth(bio_c_out, sbio, jpake_secret);
1474 SSL_set_bio(con,sbio,sbio);
1475 SSL_set_connect_state(con);
1477 /* ok, lets connect */
1478 width=SSL_get_fd(con)+1;
1491 /* This is an ugly hack that does a lot of assumptions */
1492 /* We do have to handle multi-line responses which may come
1493 in a single packet or not. We therefore have to use
1494 BIO_gets() which does need a buffering BIO. So during
1495 the initial chitchat we do push a buffering BIO into the
1496 chain that is removed again later on to not disturb the
1497 rest of the s_client operation. */
1498 if (starttls_proto == PROTO_SMTP)
1501 BIO *fbio = BIO_new(BIO_f_buffer());
1502 BIO_push(fbio, sbio);
1503 /* wait for multi-line response to end from SMTP */
1506 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1508 while (mbuf_len>3 && mbuf[3]=='-');
1509 /* STARTTLS command requires EHLO... */
1510 BIO_printf(fbio,"EHLO openssl.client.net\r\n");
1511 (void)BIO_flush(fbio);
1512 /* wait for multi-line response to end EHLO SMTP response */
1515 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1516 if (strstr(mbuf,"STARTTLS"))
1519 while (mbuf_len>3 && mbuf[3]=='-');
1520 (void)BIO_flush(fbio);
1525 "didn't found starttls in server response,"
1526 " try anyway...\n");
1527 BIO_printf(sbio,"STARTTLS\r\n");
1528 BIO_read(sbio,sbuf,BUFSIZZ);
1530 else if (starttls_proto == PROTO_POP3)
1532 BIO_read(sbio,mbuf,BUFSIZZ);
1533 BIO_printf(sbio,"STLS\r\n");
1534 BIO_read(sbio,sbuf,BUFSIZZ);
1536 else if (starttls_proto == PROTO_IMAP)
1539 BIO *fbio = BIO_new(BIO_f_buffer());
1540 BIO_push(fbio, sbio);
1541 BIO_gets(fbio,mbuf,BUFSIZZ);
1542 /* STARTTLS command requires CAPABILITY... */
1543 BIO_printf(fbio,". CAPABILITY\r\n");
1544 (void)BIO_flush(fbio);
1545 /* wait for multi-line CAPABILITY response */
1548 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1549 if (strstr(mbuf,"STARTTLS"))
1552 while (mbuf_len>3 && mbuf[0]!='.');
1553 (void)BIO_flush(fbio);
1558 "didn't found STARTTLS in server response,"
1559 " try anyway...\n");
1560 BIO_printf(sbio,". STARTTLS\r\n");
1561 BIO_read(sbio,sbuf,BUFSIZZ);
1563 else if (starttls_proto == PROTO_FTP)
1565 BIO *fbio = BIO_new(BIO_f_buffer());
1566 BIO_push(fbio, sbio);
1567 /* wait for multi-line response to end from FTP */
1570 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1572 while (mbuf_len>3 && mbuf[3]=='-');
1573 (void)BIO_flush(fbio);
1576 BIO_printf(sbio,"AUTH TLS\r\n");
1577 BIO_read(sbio,sbuf,BUFSIZZ);
1579 if (starttls_proto == PROTO_XMPP)
1582 BIO_printf(sbio,"<stream:stream "
1583 "xmlns:stream='http://etherx.jabber.org/streams' "
1584 "xmlns='jabber:client' to='%s' version='1.0'>", host);
1585 seen = BIO_read(sbio,mbuf,BUFSIZZ);
1587 while (!strstr(mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'"))
1589 if (strstr(mbuf, "/stream:features>"))
1591 seen = BIO_read(sbio,mbuf,BUFSIZZ);
1594 BIO_printf(sbio, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
1595 seen = BIO_read(sbio,sbuf,BUFSIZZ);
1597 if (!strstr(sbuf, "<proceed"))
1607 if ((SSL_version(con) == DTLS1_VERSION) &&
1608 DTLSv1_get_timeout(con, &timeout))
1609 timeoutp = &timeout;
1613 if (SSL_in_init(con) && !SSL_total_renegotiations(con))
1624 #if 0 /* This test doesn't really work as intended (needs to be fixed) */
1625 #ifndef OPENSSL_NO_TLSEXT
1626 if (servername != NULL && !SSL_session_reused(con))
1628 BIO_printf(bio_c_out,"Server did %sacknowledge servername extension.\n",tlsextcbp.ack?"":"not ");
1634 BIO *stmp = BIO_new_file(sess_out, "w");
1637 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));
1641 BIO_printf(bio_err, "Error writing session file %s\n", sess_out);
1646 "CONNECTION ESTABLISHED\n");
1647 print_ssl_summary(bio_err, con);
1649 print_ssl_cert_checks(bio_err, con, checkhost,
1650 checkemail, checkip);
1651 print_stuff(bio_c_out,con,full_log);
1652 if (full_log > 0) full_log--;
1656 BIO_printf(bio_err,"%s",mbuf);
1657 /* We don't need to know any more */
1658 starttls_proto = PROTO_OFF;
1664 BIO_printf(bio_c_out,"drop connection and then reconnect\n");
1666 SSL_set_connect_state(con);
1667 SHUTDOWN(SSL_get_fd(con));
1673 ssl_pending = read_ssl && SSL_pending(con);
1677 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined (OPENSSL_SYS_BEOS_R5)
1680 if (read_tty) openssl_fdset(fileno(stdin),&readfds);
1681 if (write_tty) openssl_fdset(fileno(stdout),&writefds);
1684 openssl_fdset(SSL_get_fd(con),&readfds);
1686 openssl_fdset(SSL_get_fd(con),&writefds);
1688 if(!tty_on || !write_tty) {
1690 openssl_fdset(SSL_get_fd(con),&readfds);
1692 openssl_fdset(SSL_get_fd(con),&writefds);
1695 /* printf("mode tty(%d %d%d) ssl(%d%d)\n",
1696 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
1698 /* Note: under VMS with SOCKETSHR the second parameter
1699 * is currently of type (int *) whereas under other
1700 * systems it is (void *) if you don't have a cast it
1701 * will choke the compiler: if you do have a cast then
1702 * you can either go for (int *) or (void *).
1704 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1705 /* Under Windows/DOS we make the assumption that we can
1706 * always write to the tty: therefore if we need to
1707 * write to the tty we just fall through. Otherwise
1708 * we timeout the select every second and see if there
1709 * are any keypresses. Note: this is a hack, in a proper
1710 * Windows application we wouldn't do this.
1717 i=select(width,(void *)&readfds,(void *)&writefds,
1719 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1720 if(!i && (!_kbhit() || !read_tty) ) continue;
1722 if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue;
1724 } else i=select(width,(void *)&readfds,(void *)&writefds,
1727 #elif defined(OPENSSL_SYS_NETWARE)
1732 i=select(width,(void *)&readfds,(void *)&writefds,
1734 } else i=select(width,(void *)&readfds,(void *)&writefds,
1737 #elif defined(OPENSSL_SYS_BEOS_R5)
1738 /* Under BeOS-R5 the situation is similar to DOS */
1741 (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
1746 i=select(width,(void *)&readfds,(void *)&writefds,
1748 if (read(fileno(stdin), sbuf, 0) >= 0)
1750 if (!i && (stdin_set != 1 || !read_tty))
1752 } else i=select(width,(void *)&readfds,(void *)&writefds,
1755 (void)fcntl(fileno(stdin), F_SETFL, 0);
1757 i=select(width,(void *)&readfds,(void *)&writefds,
1762 BIO_printf(bio_err,"bad select %d\n",
1763 get_last_socket_error());
1769 if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
1771 BIO_printf(bio_err,"TIMEOUT occured\n");
1774 if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds))
1776 k=SSL_write(con,&(cbuf[cbuf_off]),
1777 (unsigned int)cbuf_len);
1778 switch (SSL_get_error(con,k))
1780 case SSL_ERROR_NONE:
1783 if (k <= 0) goto end;
1784 /* we have done a write(con,NULL,0); */
1790 else /* if (cbuf_len > 0) */
1796 case SSL_ERROR_WANT_WRITE:
1797 BIO_printf(bio_c_out,"write W BLOCK\n");
1801 case SSL_ERROR_WANT_READ:
1802 BIO_printf(bio_c_out,"write R BLOCK\n");
1807 case SSL_ERROR_WANT_X509_LOOKUP:
1808 BIO_printf(bio_c_out,"write X BLOCK\n");
1810 case SSL_ERROR_ZERO_RETURN:
1813 BIO_printf(bio_c_out,"shutdown\n");
1824 case SSL_ERROR_SYSCALL:
1825 if ((k != 0) || (cbuf_len != 0))
1827 BIO_printf(bio_err,"write:errno=%d\n",
1828 get_last_socket_error());
1838 ERR_print_errors(bio_err);
1842 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
1843 /* Assume Windows/DOS/BeOS can always write */
1844 else if (!ssl_pending && write_tty)
1846 else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds))
1849 #ifdef CHARSET_EBCDIC
1850 ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len);
1852 i=raw_write_stdout(&(sbuf[sbuf_off]),sbuf_len);
1856 BIO_printf(bio_c_out,"DONE\n");
1870 else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds))
1873 { static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } }
1876 k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ );
1878 /* Demo for pending and peek :-) */
1879 k=SSL_read(con,sbuf,16);
1881 printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240));
1885 switch (SSL_get_error(con,k))
1887 case SSL_ERROR_NONE:
1896 case SSL_ERROR_WANT_WRITE:
1897 BIO_printf(bio_c_out,"read W BLOCK\n");
1901 case SSL_ERROR_WANT_READ:
1902 BIO_printf(bio_c_out,"read R BLOCK\n");
1905 if ((read_tty == 0) && (write_ssl == 0))
1908 case SSL_ERROR_WANT_X509_LOOKUP:
1909 BIO_printf(bio_c_out,"read X BLOCK\n");
1911 case SSL_ERROR_SYSCALL:
1912 ret=get_last_socket_error();
1913 BIO_printf(bio_err,"read:errno=%d\n",ret);
1915 case SSL_ERROR_ZERO_RETURN:
1916 BIO_printf(bio_c_out,"closed\n");
1920 ERR_print_errors(bio_err);
1926 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1927 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1930 else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
1932 #elif defined (OPENSSL_SYS_NETWARE)
1934 #elif defined(OPENSSL_SYS_BEOS_R5)
1937 else if (FD_ISSET(fileno(stdin),&readfds))
1944 i=raw_read_stdin(cbuf,BUFSIZZ/2);
1946 /* both loops are skipped when i <= 0 */
1947 for (j = 0; j < i; j++)
1948 if (cbuf[j] == '\n')
1950 for (j = i-1; j >= 0; j--)
1952 cbuf[j+lf_num] = cbuf[j];
1953 if (cbuf[j] == '\n')
1957 cbuf[j+lf_num] = '\r';
1960 assert(lf_num == 0);
1963 i=raw_read_stdin(cbuf,BUFSIZZ);
1965 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q')))
1967 BIO_printf(bio_err,"DONE\n");
1972 if ((!c_ign_eof) && (cbuf[0] == 'R'))
1974 BIO_printf(bio_err,"RENEGOTIATING\n");
1975 SSL_renegotiate(con);
1978 #ifndef OPENSSL_NO_HEARTBEATS
1979 else if ((!c_ign_eof) && (cbuf[0] == 'B'))
1981 BIO_printf(bio_err,"HEARTBEATING\n");
1990 #ifdef CHARSET_EBCDIC
1991 ebcdic2ascii(cbuf, cbuf, i);
2003 print_stuff(bio_c_out,con,full_log);
2005 SHUTDOWN(SSL_get_fd(con));
2010 print_stuff(bio_c_out,con,1);
2013 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2014 if (next_proto.data)
2015 OPENSSL_free(next_proto.data);
2017 if (ctx != NULL) SSL_CTX_free(ctx);
2024 ssl_excert_free(exc);
2025 if (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); }
2026 if (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); }
2027 if (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); }
2028 if (bio_c_out != NULL)
2030 BIO_free(bio_c_out);
2033 if (bio_c_msg != NULL)
2035 BIO_free(bio_c_msg);
2043 static void print_stuff(BIO *bio, SSL *s, int full)
2047 static const char *space=" ";
2050 STACK_OF(X509_NAME) *sk2;
2051 const SSL_CIPHER *c;
2054 #ifndef OPENSSL_NO_COMP
2055 const COMP_METHOD *comp, *expansion;
2057 unsigned char *exportedkeymat;
2061 int got_a_chain = 0;
2063 sk=SSL_get_peer_cert_chain(s);
2066 got_a_chain = 1; /* we don't have it for SSL2 (yet) */
2068 BIO_printf(bio,"---\nCertificate chain\n");
2069 for (i=0; i<sk_X509_num(sk); i++)
2071 X509_NAME_oneline(X509_get_subject_name(
2072 sk_X509_value(sk,i)),buf,sizeof buf);
2073 BIO_printf(bio,"%2d s:%s\n",i,buf);
2074 X509_NAME_oneline(X509_get_issuer_name(
2075 sk_X509_value(sk,i)),buf,sizeof buf);
2076 BIO_printf(bio," i:%s\n",buf);
2078 PEM_write_bio_X509(bio,sk_X509_value(sk,i));
2082 BIO_printf(bio,"---\n");
2083 peer=SSL_get_peer_certificate(s);
2086 BIO_printf(bio,"Server certificate\n");
2087 if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */
2088 PEM_write_bio_X509(bio,peer);
2089 X509_NAME_oneline(X509_get_subject_name(peer),
2091 BIO_printf(bio,"subject=%s\n",buf);
2092 X509_NAME_oneline(X509_get_issuer_name(peer),
2094 BIO_printf(bio,"issuer=%s\n",buf);
2097 BIO_printf(bio,"no peer certificate available\n");
2099 sk2=SSL_get_client_CA_list(s);
2100 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0))
2102 BIO_printf(bio,"---\nAcceptable client certificate CA names\n");
2103 for (i=0; i<sk_X509_NAME_num(sk2); i++)
2105 xn=sk_X509_NAME_value(sk2,i);
2106 X509_NAME_oneline(xn,buf,sizeof(buf));
2107 BIO_write(bio,buf,strlen(buf));
2108 BIO_write(bio,"\n",1);
2113 BIO_printf(bio,"---\nNo client certificate CA names sent\n");
2115 p=SSL_get_shared_ciphers(s,buf,sizeof buf);
2118 /* This works only for SSL 2. In later protocol
2119 * versions, the client does not know what other
2120 * ciphers (in addition to the one to be used
2121 * in the current connection) the server supports. */
2123 BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n");
2129 BIO_write(bio,space,15-j%25);
2132 BIO_write(bio,((i%3)?" ":"\n"),1);
2141 BIO_write(bio,"\n",1);
2144 ssl_print_sigalgs(bio, s);
2145 ssl_print_tmp_key(bio, s);
2147 BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n",
2148 BIO_number_read(SSL_get_rbio(s)),
2149 BIO_number_written(SSL_get_wbio(s)));
2151 BIO_printf(bio,(SSL_cache_hit(s)?"---\nReused, ":"---\nNew, "));
2152 c=SSL_get_current_cipher(s);
2153 BIO_printf(bio,"%s, Cipher is %s\n",
2154 SSL_CIPHER_get_version(c),
2155 SSL_CIPHER_get_name(c));
2158 pktmp = X509_get_pubkey(peer);
2159 BIO_printf(bio,"Server public key is %d bit\n",
2160 EVP_PKEY_bits(pktmp));
2161 EVP_PKEY_free(pktmp);
2163 BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
2164 SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
2165 #ifndef OPENSSL_NO_COMP
2166 comp=SSL_get_current_compression(s);
2167 expansion=SSL_get_current_expansion(s);
2168 BIO_printf(bio,"Compression: %s\n",
2169 comp ? SSL_COMP_get_name(comp) : "NONE");
2170 BIO_printf(bio,"Expansion: %s\n",
2171 expansion ? SSL_COMP_get_name(expansion) : "NONE");
2176 /* Print out local port of connection: useful for debugging */
2178 struct sockaddr_in ladd;
2179 socklen_t ladd_size = sizeof(ladd);
2180 sock = SSL_get_fd(s);
2181 getsockname(sock, (struct sockaddr *)&ladd, &ladd_size);
2182 BIO_printf(bio_c_out, "LOCAL PORT is %u\n", ntohs(ladd.sin_port));
2186 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2187 if (next_proto.status != -1) {
2188 const unsigned char *proto;
2189 unsigned int proto_len;
2190 SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
2191 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
2192 BIO_write(bio, proto, proto_len);
2193 BIO_write(bio, "\n", 1);
2198 SRTP_PROTECTION_PROFILE *srtp_profile=SSL_get_selected_srtp_profile(s);
2201 BIO_printf(bio,"SRTP Extension negotiated, profile=%s\n",
2202 srtp_profile->name);
2205 SSL_SESSION_print(bio,SSL_get_session(s));
2206 if (keymatexportlabel != NULL)
2208 BIO_printf(bio, "Keying material exporter:\n");
2209 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel);
2210 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen);
2211 exportedkeymat = OPENSSL_malloc(keymatexportlen);
2212 if (exportedkeymat != NULL)
2214 if (!SSL_export_keying_material(s, exportedkeymat,
2217 strlen(keymatexportlabel),
2220 BIO_printf(bio, " Error\n");
2224 BIO_printf(bio, " Keying material: ");
2225 for (i=0; i<keymatexportlen; i++)
2226 BIO_printf(bio, "%02X",
2228 BIO_printf(bio, "\n");
2230 OPENSSL_free(exportedkeymat);
2233 BIO_printf(bio,"---\n");
2236 /* flush, or debugging output gets mixed with http response */
2237 (void)BIO_flush(bio);
2240 #ifndef OPENSSL_NO_TLSEXT
2242 static int ocsp_resp_cb(SSL *s, void *arg)
2244 const unsigned char *p;
2247 len = SSL_get_tlsext_status_ocsp_resp(s, &p);
2248 BIO_puts(arg, "OCSP response: ");
2251 BIO_puts(arg, "no response sent\n");
2254 rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
2257 BIO_puts(arg, "response parse error\n");
2258 BIO_dump_indent(arg, (char *)p, len, 4);
2261 BIO_puts(arg, "\n======================================\n");
2262 OCSP_RESPONSE_print(arg, rsp, 0);
2263 BIO_puts(arg, "======================================\n");
2264 OCSP_RESPONSE_free(rsp);
2268 static int audit_proof_cb(SSL *s, void *arg)
2270 const unsigned char *proof;
2273 SSL_SESSION *sess = SSL_get_session(s);
2275 proof = SSL_SESSION_get_tlsext_authz_server_audit_proof(sess,
2279 BIO_printf(bio_c_out, "Audit proof: ");
2280 for (i = 0; i < proof_len; ++i)
2281 BIO_printf(bio_c_out, "%02X", proof[i]);
2282 BIO_printf(bio_c_out, "\n");
2286 BIO_printf(bio_c_out, "No audit proof found.\n");