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);
296 BIO_printf(bio_err," -checkhost host - check peer certificate matches \"host\"\n");
297 BIO_printf(bio_err," -checkemail email - check peer certificate matches \"email\"\n");
298 BIO_printf(bio_err," -checkip ipaddr - check peer certificate matches \"ipaddr\"\n");
300 BIO_printf(bio_err," -verify arg - turn on peer certificate verification\n");
301 BIO_printf(bio_err," -cert arg - certificate file to use, PEM format assumed\n");
302 BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
303 BIO_printf(bio_err," -key arg - Private key file to use, in cert file if\n");
304 BIO_printf(bio_err," not specified but cert file is.\n");
305 BIO_printf(bio_err," -keyform arg - key format (PEM or DER) PEM default\n");
306 BIO_printf(bio_err," -pass arg - private key file pass phrase source\n");
307 BIO_printf(bio_err," -CApath arg - PEM format directory of CA's\n");
308 BIO_printf(bio_err," -CAfile arg - PEM format file of CA's\n");
309 BIO_printf(bio_err," -reconnect - Drop and re-make the connection with the same Session-ID\n");
310 BIO_printf(bio_err," -pause - sleep(1) after each read(2) and write(2) system call\n");
311 BIO_printf(bio_err," -showcerts - show all certificates in the chain\n");
312 BIO_printf(bio_err," -debug - extra output\n");
314 BIO_printf(bio_err," -wdebug - WATT-32 tcp debugging\n");
316 BIO_printf(bio_err," -msg - Show protocol messages\n");
317 BIO_printf(bio_err," -nbio_test - more ssl protocol testing\n");
318 BIO_printf(bio_err," -state - print the 'ssl' states\n");
320 BIO_printf(bio_err," -nbio - Run with non-blocking IO\n");
322 BIO_printf(bio_err," -crlf - convert LF from terminal into CRLF\n");
323 BIO_printf(bio_err," -quiet - no s_client output\n");
324 BIO_printf(bio_err," -ign_eof - ignore input eof (default when -quiet)\n");
325 BIO_printf(bio_err," -no_ign_eof - don't ignore input eof\n");
326 #ifndef OPENSSL_NO_PSK
327 BIO_printf(bio_err," -psk_identity arg - PSK identity\n");
328 BIO_printf(bio_err," -psk arg - PSK in hex (without 0x)\n");
329 # ifndef OPENSSL_NO_JPAKE
330 BIO_printf(bio_err," -jpake arg - JPAKE secret to use\n");
333 #ifndef OPENSSL_NO_SRP
334 BIO_printf(bio_err," -srpuser user - SRP authentification for 'user'\n");
335 BIO_printf(bio_err," -srppass arg - password for 'user'\n");
336 BIO_printf(bio_err," -srp_lateuser - SRP username into second ClientHello message\n");
337 BIO_printf(bio_err," -srp_moregroups - Tolerate other than the known g N values.\n");
338 BIO_printf(bio_err," -srp_strength int - minimal mength in bits for N (default %d).\n",SRP_MINIMAL_N);
340 BIO_printf(bio_err," -ssl2 - just use SSLv2\n");
341 BIO_printf(bio_err," -ssl3 - just use SSLv3\n");
342 BIO_printf(bio_err," -tls1_2 - just use TLSv1.2\n");
343 BIO_printf(bio_err," -tls1_1 - just use TLSv1.1\n");
344 BIO_printf(bio_err," -tls1 - just use TLSv1\n");
345 BIO_printf(bio_err," -dtls1 - just use DTLSv1\n");
346 BIO_printf(bio_err," -mtu - set the link layer MTU\n");
347 BIO_printf(bio_err," -no_tls1_2/-no_tls1_1/-no_tls1/-no_ssl3/-no_ssl2 - turn off that protocol\n");
348 BIO_printf(bio_err," -bugs - Switch on all SSL implementation bug workarounds\n");
349 BIO_printf(bio_err," -serverpref - Use server's cipher preferences (only SSLv2)\n");
350 BIO_printf(bio_err," -cipher - preferred cipher to use, use the 'openssl ciphers'\n");
351 BIO_printf(bio_err," command to see what is available\n");
352 BIO_printf(bio_err," -starttls prot - use the STARTTLS command before starting TLS\n");
353 BIO_printf(bio_err," for those protocols that support it, where\n");
354 BIO_printf(bio_err," 'prot' defines which one to assume. Currently,\n");
355 BIO_printf(bio_err," only \"smtp\", \"pop3\", \"imap\", \"ftp\" and \"xmpp\"\n");
356 BIO_printf(bio_err," are supported.\n");
357 #ifndef OPENSSL_NO_ENGINE
358 BIO_printf(bio_err," -engine id - Initialise and use the specified engine\n");
360 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
361 BIO_printf(bio_err," -sess_out arg - file to write SSL session to\n");
362 BIO_printf(bio_err," -sess_in arg - file to read SSL session from\n");
363 #ifndef OPENSSL_NO_TLSEXT
364 BIO_printf(bio_err," -servername host - Set TLS extension servername in ClientHello\n");
365 BIO_printf(bio_err," -tlsextdebug - hex dump of all TLS extensions received\n");
366 BIO_printf(bio_err," -status - request certificate status from server\n");
367 BIO_printf(bio_err," -no_ticket - disable use of RFC4507bis session tickets\n");
368 BIO_printf(bio_err," -proof_debug - request an audit proof and print its hex dump\n");
369 # ifndef OPENSSL_NO_NEXTPROTONEG
370 BIO_printf(bio_err," -nextprotoneg arg - enable NPN extension, considering named protocols supported (comma-separated list)\n");
373 BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
374 BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
375 BIO_printf(bio_err," -keymatexport label - Export keying material using label\n");
376 BIO_printf(bio_err," -keymatexportlen len - Export len bytes of keying material (default 20)\n");
379 #ifndef OPENSSL_NO_TLSEXT
381 /* This is a context that we pass to callbacks */
382 typedef struct tlsextctx_st {
388 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
390 tlsextctx * p = (tlsextctx *) arg;
391 const char * hn= SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
392 if (SSL_get_servername_type(s) != -1)
393 p->ack = !SSL_session_reused(s) && hn != NULL;
395 BIO_printf(bio_err,"Can't use SSL_get_servername\n");
397 return SSL_TLSEXT_ERR_OK;
400 #ifndef OPENSSL_NO_SRP
402 /* This is a context that we pass to all callbacks */
403 typedef struct srp_arg_st
407 int msg; /* copy from c_msg */
408 int debug; /* copy from c_debug */
409 int amp; /* allow more groups */
410 int strength /* minimal size for N */ ;
413 #define SRP_NUMBER_ITERATIONS_FOR_PRIME 64
415 static int srp_Verify_N_and_g(const BIGNUM *N, const BIGNUM *g)
417 BN_CTX *bn_ctx = BN_CTX_new();
418 BIGNUM *p = BN_new();
419 BIGNUM *r = BN_new();
421 g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) &&
422 BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
423 p != NULL && BN_rshift1(p, N) &&
426 BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
429 /* verify g^((N-1)/2) == -1 (mod N) */
430 BN_mod_exp(r, g, p, N, bn_ctx) &&
443 /* This callback is used here for two purposes:
445 - making some primality tests for unknown groups
446 The callback is only called for a non default group.
448 An application does not need the call back at all if
449 only the stanard groups are used. In real life situations,
450 client and server already share well known groups,
451 thus there is no need to verify them.
452 Furthermore, in case that a server actually proposes a group that
453 is not one of those defined in RFC 5054, it is more appropriate
454 to add the group to a static list and then compare since
455 primality tests are rather cpu consuming.
458 static int MS_CALLBACK ssl_srp_verify_param_cb(SSL *s, void *arg)
460 SRP_ARG *srp_arg = (SRP_ARG *)arg;
461 BIGNUM *N = NULL, *g = NULL;
462 if (!(N = SSL_get_srp_N(s)) || !(g = SSL_get_srp_g(s)))
464 if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1)
466 BIO_printf(bio_err, "SRP parameters:\n");
467 BIO_printf(bio_err,"\tN="); BN_print(bio_err,N);
468 BIO_printf(bio_err,"\n\tg="); BN_print(bio_err,g);
469 BIO_printf(bio_err,"\n");
472 if (SRP_check_known_gN_param(g,N))
475 if (srp_arg->amp == 1)
478 BIO_printf(bio_err, "SRP param N and g are not known params, going to check deeper.\n");
480 /* The srp_moregroups is a real debugging feature.
481 Implementors should rather add the value to the known ones.
482 The minimal size has already been tested.
484 if (BN_num_bits(g) <= BN_BITS && srp_Verify_N_and_g(N,g))
487 BIO_printf(bio_err, "SRP param N and g rejected.\n");
491 #define PWD_STRLEN 1024
493 static char * MS_CALLBACK ssl_give_srp_client_pwd_cb(SSL *s, void *arg)
495 SRP_ARG *srp_arg = (SRP_ARG *)arg;
496 char *pass = (char *)OPENSSL_malloc(PWD_STRLEN+1);
500 cb_tmp.password = (char *)srp_arg->srppassin;
501 cb_tmp.prompt_info = "SRP user";
502 if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp))<0)
504 BIO_printf (bio_err, "Can't read Password\n");
514 char *srtp_profiles = NULL;
516 # ifndef OPENSSL_NO_NEXTPROTONEG
517 /* This the context that we pass to next_proto_cb */
518 typedef struct tlsextnextprotoctx_st {
522 } tlsextnextprotoctx;
524 static tlsextnextprotoctx next_proto;
526 static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen, const unsigned char *in, unsigned int inlen, void *arg)
528 tlsextnextprotoctx *ctx = arg;
532 /* We can assume that |in| is syntactically valid. */
534 BIO_printf(bio_c_out, "Protocols advertised by server: ");
535 for (i = 0; i < inlen; )
538 BIO_write(bio_c_out, ", ", 2);
539 BIO_write(bio_c_out, &in[i + 1], in[i]);
542 BIO_write(bio_c_out, "\n", 1);
545 ctx->status = SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len);
546 return SSL_TLSEXT_ERR_OK;
548 # endif /* ndef OPENSSL_NO_NEXTPROTONEG */
561 int MAIN(int, char **);
563 int MAIN(int argc, char **argv)
567 #ifndef OPENSSL_NO_KRB5
570 int s,k,width,state=0;
571 char *cbuf=NULL,*sbuf=NULL,*mbuf=NULL;
572 int cbuf_len,cbuf_off;
573 int sbuf_len,sbuf_off;
574 fd_set readfds,writefds;
577 char *host=SSL_HOST_NAME;
578 char *cert_file=NULL,*key_file=NULL;
579 int cert_format = FORMAT_PEM, key_format = FORMAT_PEM;
580 char *passarg = NULL, *pass = NULL;
582 EVP_PKEY *key = NULL;
583 char *CApath=NULL,*CAfile=NULL;
584 char *chCApath=NULL,*chCAfile=NULL;
585 char *vfyCApath=NULL,*vfyCAfile=NULL;
586 int reconnect=0,badop=0,verify=SSL_VERIFY_NONE;
588 int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending;
590 int ret=1,in_init=1,i,nbio_test=0;
591 int starttls_proto = PROTO_OFF;
593 X509_VERIFY_PARAM *vpm = NULL;
595 const SSL_METHOD *meth=NULL;
596 int socket_type=SOCK_STREAM;
600 struct timeval timeout, *timeoutp;
601 #ifndef OPENSSL_NO_ENGINE
602 char *engine_id=NULL;
603 char *ssl_client_engine_id=NULL;
604 ENGINE *ssl_client_engine=NULL;
607 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
609 #if defined(OPENSSL_SYS_BEOS_R5)
613 #ifndef OPENSSL_NO_TLSEXT
614 char *servername = 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;
639 SSL_CONF_CTX *cctx = NULL;
640 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
642 char *crl_file = NULL;
643 int crl_format = FORMAT_PEM;
644 STACK_OF(X509_CRL) *crls = NULL;
646 meth=SSLv23_client_method();
657 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
659 if (!load_config(bio_err, NULL))
661 cctx = SSL_CONF_CTX_new();
664 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT);
665 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CMDLINE);
667 if ( ((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
668 ((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
669 ((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL))
671 BIO_printf(bio_err,"out of memory\n");
676 verify_error=X509_V_OK;
685 if (strcmp(*argv,"-host") == 0)
687 if (--argc < 1) goto bad;
690 else if (strcmp(*argv,"-port") == 0)
692 if (--argc < 1) goto bad;
693 port=atoi(*(++argv));
694 if (port == 0) goto bad;
696 else if (strcmp(*argv,"-connect") == 0)
698 if (--argc < 1) goto bad;
699 if (!extract_host_port(*(++argv),&host,NULL,&port))
702 else if (strcmp(*argv,"-verify") == 0)
704 verify=SSL_VERIFY_PEER;
705 if (--argc < 1) goto bad;
706 verify_depth=atoi(*(++argv));
708 BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
710 else if (strcmp(*argv,"-cert") == 0)
712 if (--argc < 1) goto bad;
713 cert_file= *(++argv);
715 else if (strcmp(*argv,"-CRL") == 0)
717 if (--argc < 1) goto bad;
720 else if (strcmp(*argv,"-sess_out") == 0)
722 if (--argc < 1) goto bad;
723 sess_out = *(++argv);
725 else if (strcmp(*argv,"-sess_in") == 0)
727 if (--argc < 1) goto bad;
730 else if (strcmp(*argv,"-certform") == 0)
732 if (--argc < 1) goto bad;
733 cert_format = str2fmt(*(++argv));
735 else if (strcmp(*argv,"-CRLform") == 0)
737 if (--argc < 1) goto bad;
738 crl_format = str2fmt(*(++argv));
740 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
746 else if (strcmp(*argv,"-verify_return_error") == 0)
747 verify_return_error = 1;
748 else if (strcmp(*argv,"-verify_quiet") == 0)
750 else if (strcmp(*argv,"-brief") == 0)
756 else if (args_excert(&argv, &argc, &badarg, bio_err, &exc))
762 else if (args_ssl(&argv, &argc, cctx, &badarg, bio_err, &ssl_args))
768 else if (strcmp(*argv,"-prexit") == 0)
770 else if (strcmp(*argv,"-crlf") == 0)
772 else if (strcmp(*argv,"-quiet") == 0)
777 else if (strcmp(*argv,"-ign_eof") == 0)
779 else if (strcmp(*argv,"-no_ign_eof") == 0)
781 else if (strcmp(*argv,"-pause") == 0)
783 else if (strcmp(*argv,"-debug") == 0)
785 #ifndef OPENSSL_NO_TLSEXT
786 else if (strcmp(*argv,"-tlsextdebug") == 0)
788 else if (strcmp(*argv,"-status") == 0)
790 else if (strcmp(*argv,"-proof_debug") == 0)
794 else if (strcmp(*argv,"-wdebug") == 0)
797 else if (strcmp(*argv,"-msg") == 0)
799 else if (strcmp(*argv,"-msgfile") == 0)
801 if (--argc < 1) goto bad;
802 bio_c_msg = BIO_new_file(*(++argv), "w");
804 #ifndef OPENSSL_NO_SSL_TRACE
805 else if (strcmp(*argv,"-trace") == 0)
808 else if (strcmp(*argv,"-showcerts") == 0)
810 else if (strcmp(*argv,"-nbio_test") == 0)
812 else if (strcmp(*argv,"-state") == 0)
814 #ifndef OPENSSL_NO_PSK
815 else if (strcmp(*argv,"-psk_identity") == 0)
817 if (--argc < 1) goto bad;
818 psk_identity=*(++argv);
820 else if (strcmp(*argv,"-psk") == 0)
824 if (--argc < 1) goto bad;
826 for (j = 0; j < strlen(psk_key); j++)
828 if (isxdigit((unsigned char)psk_key[j]))
830 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
835 #ifndef OPENSSL_NO_SRP
836 else if (strcmp(*argv,"-srpuser") == 0)
838 if (--argc < 1) goto bad;
839 srp_arg.srplogin= *(++argv);
840 meth=TLSv1_client_method();
842 else if (strcmp(*argv,"-srppass") == 0)
844 if (--argc < 1) goto bad;
846 meth=TLSv1_client_method();
848 else if (strcmp(*argv,"-srp_strength") == 0)
850 if (--argc < 1) goto bad;
851 srp_arg.strength=atoi(*(++argv));
852 BIO_printf(bio_err,"SRP minimal length for N is %d\n",srp_arg.strength);
853 meth=TLSv1_client_method();
855 else if (strcmp(*argv,"-srp_lateuser") == 0)
858 meth=TLSv1_client_method();
860 else if (strcmp(*argv,"-srp_moregroups") == 0)
863 meth=TLSv1_client_method();
866 #ifndef OPENSSL_NO_SSL2
867 else if (strcmp(*argv,"-ssl2") == 0)
868 meth=SSLv2_client_method();
870 #ifndef OPENSSL_NO_SSL3
871 else if (strcmp(*argv,"-ssl3") == 0)
872 meth=SSLv3_client_method();
874 #ifndef OPENSSL_NO_TLS1
875 else if (strcmp(*argv,"-tls1_2") == 0)
876 meth=TLSv1_2_client_method();
877 else if (strcmp(*argv,"-tls1_1") == 0)
878 meth=TLSv1_1_client_method();
879 else if (strcmp(*argv,"-tls1") == 0)
880 meth=TLSv1_client_method();
882 #ifndef OPENSSL_NO_DTLS1
883 else if (strcmp(*argv,"-dtls1") == 0)
885 meth=DTLSv1_client_method();
886 socket_type=SOCK_DGRAM;
888 else if (strcmp(*argv,"-timeout") == 0)
890 else if (strcmp(*argv,"-mtu") == 0)
892 if (--argc < 1) goto bad;
893 socket_mtu = atol(*(++argv));
896 else if (strcmp(*argv,"-keyform") == 0)
898 if (--argc < 1) goto bad;
899 key_format = str2fmt(*(++argv));
901 else if (strcmp(*argv,"-pass") == 0)
903 if (--argc < 1) goto bad;
906 else if (strcmp(*argv,"-key") == 0)
908 if (--argc < 1) goto bad;
911 else if (strcmp(*argv,"-reconnect") == 0)
915 else if (strcmp(*argv,"-CApath") == 0)
917 if (--argc < 1) goto bad;
920 else if (strcmp(*argv,"-chainCApath") == 0)
922 if (--argc < 1) goto bad;
925 else if (strcmp(*argv,"-verifyCApath") == 0)
927 if (--argc < 1) goto bad;
928 vfyCApath= *(++argv);
930 else if (strcmp(*argv,"-build_chain") == 0)
932 else if (strcmp(*argv,"-CAfile") == 0)
934 if (--argc < 1) goto bad;
937 else if (strcmp(*argv,"-chainCAfile") == 0)
939 if (--argc < 1) goto bad;
942 else if (strcmp(*argv,"-verifyCAfile") == 0)
944 if (--argc < 1) goto bad;
945 vfyCAfile= *(++argv);
947 #ifndef OPENSSL_NO_TLSEXT
948 # ifndef OPENSSL_NO_NEXTPROTONEG
949 else if (strcmp(*argv,"-nextprotoneg") == 0)
951 if (--argc < 1) goto bad;
952 next_proto_neg_in = *(++argv);
957 else if (strcmp(*argv,"-nbio") == 0)
960 else if (strcmp(*argv,"-starttls") == 0)
962 if (--argc < 1) goto bad;
964 if (strcmp(*argv,"smtp") == 0)
965 starttls_proto = PROTO_SMTP;
966 else if (strcmp(*argv,"pop3") == 0)
967 starttls_proto = PROTO_POP3;
968 else if (strcmp(*argv,"imap") == 0)
969 starttls_proto = PROTO_IMAP;
970 else if (strcmp(*argv,"ftp") == 0)
971 starttls_proto = PROTO_FTP;
972 else if (strcmp(*argv, "xmpp") == 0)
973 starttls_proto = PROTO_XMPP;
977 #ifndef OPENSSL_NO_ENGINE
978 else if (strcmp(*argv,"-engine") == 0)
980 if (--argc < 1) goto bad;
981 engine_id = *(++argv);
983 else if (strcmp(*argv,"-ssl_client_engine") == 0)
985 if (--argc < 1) goto bad;
986 ssl_client_engine_id = *(++argv);
989 else if (strcmp(*argv,"-rand") == 0)
991 if (--argc < 1) goto bad;
994 #ifndef OPENSSL_NO_TLSEXT
995 else if (strcmp(*argv,"-servername") == 0)
997 if (--argc < 1) goto bad;
998 servername= *(++argv);
999 /* meth=TLSv1_client_method(); */
1002 else if (strcmp(*argv,"-checkhost") == 0)
1004 if (--argc < 1) goto bad;
1005 checkhost=(unsigned char *)*(++argv);
1007 else if (strcmp(*argv,"-checkemail") == 0)
1009 if (--argc < 1) goto bad;
1010 checkemail=(unsigned char *)*(++argv);
1012 else if (strcmp(*argv,"-checkip") == 0)
1014 if (--argc < 1) goto bad;
1017 #ifndef OPENSSL_NO_JPAKE
1018 else if (strcmp(*argv,"-jpake") == 0)
1020 if (--argc < 1) goto bad;
1021 jpake_secret = *++argv;
1024 else if (strcmp(*argv,"-use_srtp") == 0)
1026 if (--argc < 1) goto bad;
1027 srtp_profiles = *(++argv);
1029 else if (strcmp(*argv,"-keymatexport") == 0)
1031 if (--argc < 1) goto bad;
1032 keymatexportlabel= *(++argv);
1034 else if (strcmp(*argv,"-keymatexportlen") == 0)
1036 if (--argc < 1) goto bad;
1037 keymatexportlen=atoi(*(++argv));
1038 if (keymatexportlen == 0) goto bad;
1042 BIO_printf(bio_err,"unknown option %s\n",*argv);
1056 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1062 "Can't use JPAKE and PSK together\n");
1065 psk_identity = "JPAKE";
1070 BIO_printf(bio_err, "JPAKE sets cipher to PSK\n");
1076 OpenSSL_add_ssl_algorithms();
1077 SSL_load_error_strings();
1079 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
1080 next_proto.status = -1;
1081 if (next_proto_neg_in)
1083 next_proto.data = next_protos_parse(&next_proto.len, next_proto_neg_in);
1084 if (next_proto.data == NULL)
1086 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n");
1091 next_proto.data = NULL;
1094 #ifndef OPENSSL_NO_ENGINE
1095 e = setup_engine(bio_err, engine_id, 1);
1096 if (ssl_client_engine_id)
1098 ssl_client_engine = ENGINE_by_id(ssl_client_engine_id);
1099 if (!ssl_client_engine)
1102 "Error getting client auth engine\n");
1108 if (!app_passwd(bio_err, passarg, NULL, &pass, NULL))
1110 BIO_printf(bio_err, "Error getting password\n");
1114 if (key_file == NULL)
1115 key_file = cert_file;
1122 key = load_key(bio_err, key_file, key_format, 0, pass, e,
1123 "client certificate private key file");
1126 ERR_print_errors(bio_err);
1135 cert = load_cert(bio_err,cert_file,cert_format,
1136 NULL, e, "client certificate file");
1140 ERR_print_errors(bio_err);
1148 crl = load_crl(crl_file, crl_format);
1151 BIO_puts(bio_err, "Error loading CRL\n");
1152 ERR_print_errors(bio_err);
1155 crls = sk_X509_CRL_new_null();
1156 if (!crls || !sk_X509_CRL_push(crls, crl))
1158 BIO_puts(bio_err, "Error adding CRL\n");
1159 ERR_print_errors(bio_err);
1165 if (!load_excert(&exc, bio_err))
1168 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1171 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
1174 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
1175 app_RAND_load_files(inrand));
1177 if (bio_c_out == NULL)
1179 if (c_quiet && !c_debug)
1181 bio_c_out=BIO_new(BIO_s_null());
1182 if (c_msg && !bio_c_msg)
1183 bio_c_msg=BIO_new_fp(stdout,BIO_NOCLOSE);
1187 if (bio_c_out == NULL)
1188 bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE);
1192 #ifndef OPENSSL_NO_SRP
1193 if(!app_passwd(bio_err, srppass, NULL, &srp_arg.srppassin, NULL))
1195 BIO_printf(bio_err, "Error getting password\n");
1200 ctx=SSL_CTX_new(meth);
1203 ERR_print_errors(bio_err);
1208 SSL_CTX_set1_param(ctx, vpm);
1210 if (!args_ssl_call(ctx, bio_err, cctx, ssl_args, 1))
1212 ERR_print_errors(bio_err);
1216 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile, crls))
1218 BIO_printf(bio_err, "Error loading store locations\n");
1219 ERR_print_errors(bio_err);
1223 #ifndef OPENSSL_NO_ENGINE
1224 if (ssl_client_engine)
1226 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine))
1228 BIO_puts(bio_err, "Error setting client auth engine\n");
1229 ERR_print_errors(bio_err);
1230 ENGINE_free(ssl_client_engine);
1233 ENGINE_free(ssl_client_engine);
1237 #ifndef OPENSSL_NO_PSK
1238 #ifdef OPENSSL_NO_JPAKE
1239 if (psk_key != NULL)
1241 if (psk_key != NULL || jpake_secret)
1245 BIO_printf(bio_c_out, "PSK key given or JPAKE in use, setting client callback\n");
1246 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
1248 if (srtp_profiles != NULL)
1249 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1251 if (exc) ssl_ctx_set_excert(ctx, exc);
1252 /* DTLS: partial reads end up discarding unread UDP bytes :-(
1253 * Setting read ahead solves this problem.
1255 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1257 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
1258 if (next_proto.data)
1259 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
1262 if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1265 SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER"));
1268 SSL_CTX_set_verify(ctx,verify,verify_callback);
1270 if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
1271 (!SSL_CTX_set_default_verify_paths(ctx)))
1273 /* BIO_printf(bio_err,"error setting default verify locations\n"); */
1274 ERR_print_errors(bio_err);
1278 ssl_ctx_add_crls(ctx, crls);
1280 if (!set_cert_key_stuff(ctx,cert,key, NULL, build_chain))
1283 #ifndef OPENSSL_NO_TLSEXT
1284 if (servername != NULL)
1286 tlsextcbp.biodebug = bio_err;
1287 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1288 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1290 #ifndef OPENSSL_NO_SRP
1291 if (srp_arg.srplogin)
1293 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin))
1295 BIO_printf(bio_err,"Unable to set SRP username\n");
1298 srp_arg.msg = c_msg;
1299 srp_arg.debug = c_debug ;
1300 SSL_CTX_set_srp_cb_arg(ctx,&srp_arg);
1301 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb);
1302 SSL_CTX_set_srp_strength(ctx, srp_arg.strength);
1303 if (c_msg || c_debug || srp_arg.amp == 0)
1304 SSL_CTX_set_srp_verify_param_callback(ctx, ssl_srp_verify_param_cb);
1309 SSL_CTX_set_tlsext_authz_server_audit_proof_cb(ctx,
1317 BIO *stmp = BIO_new_file(sess_in, "r");
1320 BIO_printf(bio_err, "Can't open session file %s\n",
1322 ERR_print_errors(bio_err);
1325 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1329 BIO_printf(bio_err, "Can't open session file %s\n",
1331 ERR_print_errors(bio_err);
1334 SSL_set_session(con, sess);
1335 SSL_SESSION_free(sess);
1337 #ifndef OPENSSL_NO_TLSEXT
1338 if (servername != NULL)
1340 if (!SSL_set_tlsext_host_name(con,servername))
1342 BIO_printf(bio_err,"Unable to set TLS servername extension.\n");
1343 ERR_print_errors(bio_err);
1348 #ifndef OPENSSL_NO_KRB5
1349 if (con && (kctx = kssl_ctx_new()) != NULL)
1351 SSL_set0_kssl_ctx(con, kctx);
1352 kssl_ctx_setstring(kctx, KSSL_SERVER, host);
1354 #endif /* OPENSSL_NO_KRB5 */
1355 /* SSL_set_cipher_list(con,"RC4-MD5"); */
1357 #ifdef TLSEXT_TYPE_opaque_prf_input
1358 SSL_set_tlsext_opaque_prf_input(con, "Test client", 11);
1364 if (init_client(&s,host,port,socket_type) == 0)
1366 BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error());
1370 BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s);
1376 BIO_printf(bio_c_out,"turning on non blocking io\n");
1377 if (BIO_socket_ioctl(s,FIONBIO,&l) < 0)
1379 ERR_print_errors(bio_err);
1384 if (c_Pause & 0x01) SSL_set_debug(con, 1);
1386 if ( SSL_version(con) == DTLS1_VERSION)
1389 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
1390 if (getsockname(s, &peer, (void *)&peerlen) < 0)
1392 BIO_printf(bio_err, "getsockname:errno=%d\n",
1393 get_last_socket_error());
1398 (void)BIO_ctrl_set_connected(sbio, 1, &peer);
1400 if (enable_timeouts)
1403 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1404 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1407 timeout.tv_usec = DGRAM_SND_TIMEOUT;
1408 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1411 if (socket_mtu > 28)
1413 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1414 SSL_set_mtu(con, socket_mtu - 28);
1417 /* want to do MTU discovery */
1418 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1421 sbio=BIO_new_socket(s,BIO_NOCLOSE);
1427 test=BIO_new(BIO_f_nbio_test());
1428 sbio=BIO_push(test,sbio);
1433 SSL_set_debug(con, 1);
1434 BIO_set_callback(sbio,bio_dump_callback);
1435 BIO_set_callback_arg(sbio,(char *)bio_c_out);
1439 #ifndef OPENSSL_NO_SSL_TRACE
1441 SSL_set_msg_callback(con, SSL_trace);
1444 SSL_set_msg_callback(con, msg_cb);
1445 SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out);
1447 #ifndef OPENSSL_NO_TLSEXT
1450 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1451 SSL_set_tlsext_debug_arg(con, bio_c_out);
1455 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
1456 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
1457 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
1460 STACK_OF(OCSP_RESPID) *ids = sk_OCSP_RESPID_new_null();
1461 OCSP_RESPID *id = OCSP_RESPID_new();
1462 id->value.byKey = ASN1_OCTET_STRING_new();
1463 id->type = V_OCSP_RESPID_KEY;
1464 ASN1_STRING_set(id->value.byKey, "Hello World", -1);
1465 sk_OCSP_RESPID_push(ids, id);
1466 SSL_set_tlsext_status_ids(con, ids);
1471 #ifndef OPENSSL_NO_JPAKE
1473 jpake_client_auth(bio_c_out, sbio, jpake_secret);
1476 SSL_set_bio(con,sbio,sbio);
1477 SSL_set_connect_state(con);
1479 /* ok, lets connect */
1480 width=SSL_get_fd(con)+1;
1493 /* This is an ugly hack that does a lot of assumptions */
1494 /* We do have to handle multi-line responses which may come
1495 in a single packet or not. We therefore have to use
1496 BIO_gets() which does need a buffering BIO. So during
1497 the initial chitchat we do push a buffering BIO into the
1498 chain that is removed again later on to not disturb the
1499 rest of the s_client operation. */
1500 if (starttls_proto == PROTO_SMTP)
1503 BIO *fbio = BIO_new(BIO_f_buffer());
1504 BIO_push(fbio, sbio);
1505 /* wait for multi-line response to end from SMTP */
1508 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1510 while (mbuf_len>3 && mbuf[3]=='-');
1511 /* STARTTLS command requires EHLO... */
1512 BIO_printf(fbio,"EHLO openssl.client.net\r\n");
1513 (void)BIO_flush(fbio);
1514 /* wait for multi-line response to end EHLO SMTP response */
1517 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1518 if (strstr(mbuf,"STARTTLS"))
1521 while (mbuf_len>3 && mbuf[3]=='-');
1522 (void)BIO_flush(fbio);
1527 "didn't found starttls in server response,"
1528 " try anyway...\n");
1529 BIO_printf(sbio,"STARTTLS\r\n");
1530 BIO_read(sbio,sbuf,BUFSIZZ);
1532 else if (starttls_proto == PROTO_POP3)
1534 BIO_read(sbio,mbuf,BUFSIZZ);
1535 BIO_printf(sbio,"STLS\r\n");
1536 BIO_read(sbio,sbuf,BUFSIZZ);
1538 else if (starttls_proto == PROTO_IMAP)
1541 BIO *fbio = BIO_new(BIO_f_buffer());
1542 BIO_push(fbio, sbio);
1543 BIO_gets(fbio,mbuf,BUFSIZZ);
1544 /* STARTTLS command requires CAPABILITY... */
1545 BIO_printf(fbio,". CAPABILITY\r\n");
1546 (void)BIO_flush(fbio);
1547 /* wait for multi-line CAPABILITY response */
1550 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1551 if (strstr(mbuf,"STARTTLS"))
1554 while (mbuf_len>3 && mbuf[0]!='.');
1555 (void)BIO_flush(fbio);
1560 "didn't found STARTTLS in server response,"
1561 " try anyway...\n");
1562 BIO_printf(sbio,". STARTTLS\r\n");
1563 BIO_read(sbio,sbuf,BUFSIZZ);
1565 else if (starttls_proto == PROTO_FTP)
1567 BIO *fbio = BIO_new(BIO_f_buffer());
1568 BIO_push(fbio, sbio);
1569 /* wait for multi-line response to end from FTP */
1572 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1574 while (mbuf_len>3 && mbuf[3]=='-');
1575 (void)BIO_flush(fbio);
1578 BIO_printf(sbio,"AUTH TLS\r\n");
1579 BIO_read(sbio,sbuf,BUFSIZZ);
1581 if (starttls_proto == PROTO_XMPP)
1584 BIO_printf(sbio,"<stream:stream "
1585 "xmlns:stream='http://etherx.jabber.org/streams' "
1586 "xmlns='jabber:client' to='%s' version='1.0'>", host);
1587 seen = BIO_read(sbio,mbuf,BUFSIZZ);
1589 while (!strstr(mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'"))
1591 if (strstr(mbuf, "/stream:features>"))
1593 seen = BIO_read(sbio,mbuf,BUFSIZZ);
1596 BIO_printf(sbio, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
1597 seen = BIO_read(sbio,sbuf,BUFSIZZ);
1599 if (!strstr(sbuf, "<proceed"))
1609 if ((SSL_version(con) == DTLS1_VERSION) &&
1610 DTLSv1_get_timeout(con, &timeout))
1611 timeoutp = &timeout;
1615 if (SSL_in_init(con) && !SSL_total_renegotiations(con))
1626 #if 0 /* This test doesn't really work as intended (needs to be fixed) */
1627 #ifndef OPENSSL_NO_TLSEXT
1628 if (servername != NULL && !SSL_session_reused(con))
1630 BIO_printf(bio_c_out,"Server did %sacknowledge servername extension.\n",tlsextcbp.ack?"":"not ");
1636 BIO *stmp = BIO_new_file(sess_out, "w");
1639 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));
1643 BIO_printf(bio_err, "Error writing session file %s\n", sess_out);
1648 "CONNECTION ESTABLISHED\n");
1649 print_ssl_summary(bio_err, con);
1651 print_ssl_cert_checks(bio_err, con, checkhost,
1652 checkemail, checkip);
1653 print_stuff(bio_c_out,con,full_log);
1654 if (full_log > 0) full_log--;
1658 BIO_printf(bio_err,"%s",mbuf);
1659 /* We don't need to know any more */
1660 starttls_proto = PROTO_OFF;
1666 BIO_printf(bio_c_out,"drop connection and then reconnect\n");
1668 SSL_set_connect_state(con);
1669 SHUTDOWN(SSL_get_fd(con));
1675 ssl_pending = read_ssl && SSL_pending(con);
1679 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined (OPENSSL_SYS_BEOS_R5)
1682 if (read_tty) openssl_fdset(fileno(stdin),&readfds);
1683 if (write_tty) openssl_fdset(fileno(stdout),&writefds);
1686 openssl_fdset(SSL_get_fd(con),&readfds);
1688 openssl_fdset(SSL_get_fd(con),&writefds);
1690 if(!tty_on || !write_tty) {
1692 openssl_fdset(SSL_get_fd(con),&readfds);
1694 openssl_fdset(SSL_get_fd(con),&writefds);
1697 /* printf("mode tty(%d %d%d) ssl(%d%d)\n",
1698 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
1700 /* Note: under VMS with SOCKETSHR the second parameter
1701 * is currently of type (int *) whereas under other
1702 * systems it is (void *) if you don't have a cast it
1703 * will choke the compiler: if you do have a cast then
1704 * you can either go for (int *) or (void *).
1706 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1707 /* Under Windows/DOS we make the assumption that we can
1708 * always write to the tty: therefore if we need to
1709 * write to the tty we just fall through. Otherwise
1710 * we timeout the select every second and see if there
1711 * are any keypresses. Note: this is a hack, in a proper
1712 * Windows application we wouldn't do this.
1719 i=select(width,(void *)&readfds,(void *)&writefds,
1721 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1722 if(!i && (!_kbhit() || !read_tty) ) continue;
1724 if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue;
1726 } else i=select(width,(void *)&readfds,(void *)&writefds,
1729 #elif defined(OPENSSL_SYS_NETWARE)
1734 i=select(width,(void *)&readfds,(void *)&writefds,
1736 } else i=select(width,(void *)&readfds,(void *)&writefds,
1739 #elif defined(OPENSSL_SYS_BEOS_R5)
1740 /* Under BeOS-R5 the situation is similar to DOS */
1743 (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
1748 i=select(width,(void *)&readfds,(void *)&writefds,
1750 if (read(fileno(stdin), sbuf, 0) >= 0)
1752 if (!i && (stdin_set != 1 || !read_tty))
1754 } else i=select(width,(void *)&readfds,(void *)&writefds,
1757 (void)fcntl(fileno(stdin), F_SETFL, 0);
1759 i=select(width,(void *)&readfds,(void *)&writefds,
1764 BIO_printf(bio_err,"bad select %d\n",
1765 get_last_socket_error());
1771 if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
1773 BIO_printf(bio_err,"TIMEOUT occured\n");
1776 if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds))
1778 k=SSL_write(con,&(cbuf[cbuf_off]),
1779 (unsigned int)cbuf_len);
1780 switch (SSL_get_error(con,k))
1782 case SSL_ERROR_NONE:
1785 if (k <= 0) goto end;
1786 /* we have done a write(con,NULL,0); */
1792 else /* if (cbuf_len > 0) */
1798 case SSL_ERROR_WANT_WRITE:
1799 BIO_printf(bio_c_out,"write W BLOCK\n");
1803 case SSL_ERROR_WANT_READ:
1804 BIO_printf(bio_c_out,"write R BLOCK\n");
1809 case SSL_ERROR_WANT_X509_LOOKUP:
1810 BIO_printf(bio_c_out,"write X BLOCK\n");
1812 case SSL_ERROR_ZERO_RETURN:
1815 BIO_printf(bio_c_out,"shutdown\n");
1826 case SSL_ERROR_SYSCALL:
1827 if ((k != 0) || (cbuf_len != 0))
1829 BIO_printf(bio_err,"write:errno=%d\n",
1830 get_last_socket_error());
1840 ERR_print_errors(bio_err);
1844 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
1845 /* Assume Windows/DOS/BeOS can always write */
1846 else if (!ssl_pending && write_tty)
1848 else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds))
1851 #ifdef CHARSET_EBCDIC
1852 ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len);
1854 i=raw_write_stdout(&(sbuf[sbuf_off]),sbuf_len);
1858 BIO_printf(bio_c_out,"DONE\n");
1872 else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds))
1875 { static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } }
1878 k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ );
1880 /* Demo for pending and peek :-) */
1881 k=SSL_read(con,sbuf,16);
1883 printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240));
1887 switch (SSL_get_error(con,k))
1889 case SSL_ERROR_NONE:
1898 case SSL_ERROR_WANT_WRITE:
1899 BIO_printf(bio_c_out,"read W BLOCK\n");
1903 case SSL_ERROR_WANT_READ:
1904 BIO_printf(bio_c_out,"read R BLOCK\n");
1907 if ((read_tty == 0) && (write_ssl == 0))
1910 case SSL_ERROR_WANT_X509_LOOKUP:
1911 BIO_printf(bio_c_out,"read X BLOCK\n");
1913 case SSL_ERROR_SYSCALL:
1914 ret=get_last_socket_error();
1916 BIO_puts(bio_err, "CONNECTION CLOSED BY SERVER\n");
1918 BIO_printf(bio_err,"read:errno=%d\n",ret);
1920 case SSL_ERROR_ZERO_RETURN:
1921 BIO_printf(bio_c_out,"closed\n");
1925 ERR_print_errors(bio_err);
1931 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1932 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1935 else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
1937 #elif defined (OPENSSL_SYS_NETWARE)
1939 #elif defined(OPENSSL_SYS_BEOS_R5)
1942 else if (FD_ISSET(fileno(stdin),&readfds))
1949 i=raw_read_stdin(cbuf,BUFSIZZ/2);
1951 /* both loops are skipped when i <= 0 */
1952 for (j = 0; j < i; j++)
1953 if (cbuf[j] == '\n')
1955 for (j = i-1; j >= 0; j--)
1957 cbuf[j+lf_num] = cbuf[j];
1958 if (cbuf[j] == '\n')
1962 cbuf[j+lf_num] = '\r';
1965 assert(lf_num == 0);
1968 i=raw_read_stdin(cbuf,BUFSIZZ);
1970 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q')))
1972 BIO_printf(bio_err,"DONE\n");
1977 if ((!c_ign_eof) && (cbuf[0] == 'R'))
1979 BIO_printf(bio_err,"RENEGOTIATING\n");
1980 SSL_renegotiate(con);
1983 #ifndef OPENSSL_NO_HEARTBEATS
1984 else if ((!c_ign_eof) && (cbuf[0] == 'B'))
1986 BIO_printf(bio_err,"HEARTBEATING\n");
1995 #ifdef CHARSET_EBCDIC
1996 ebcdic2ascii(cbuf, cbuf, i);
2008 print_stuff(bio_c_out,con,full_log);
2010 SHUTDOWN(SSL_get_fd(con));
2015 print_stuff(bio_c_out,con,1);
2018 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2019 if (next_proto.data)
2020 OPENSSL_free(next_proto.data);
2022 if (ctx != NULL) SSL_CTX_free(ctx);
2026 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2032 X509_VERIFY_PARAM_free(vpm);
2033 ssl_excert_free(exc);
2035 sk_OPENSSL_STRING_free(ssl_args);
2037 SSL_CONF_CTX_free(cctx);
2038 if (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); }
2039 if (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); }
2040 if (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); }
2041 if (bio_c_out != NULL)
2043 BIO_free(bio_c_out);
2046 if (bio_c_msg != NULL)
2048 BIO_free(bio_c_msg);
2056 static void print_stuff(BIO *bio, SSL *s, int full)
2060 static const char *space=" ";
2063 STACK_OF(X509_NAME) *sk2;
2064 const SSL_CIPHER *c;
2067 #ifndef OPENSSL_NO_COMP
2068 const COMP_METHOD *comp, *expansion;
2070 unsigned char *exportedkeymat;
2074 int got_a_chain = 0;
2076 sk=SSL_get_peer_cert_chain(s);
2079 got_a_chain = 1; /* we don't have it for SSL2 (yet) */
2081 BIO_printf(bio,"---\nCertificate chain\n");
2082 for (i=0; i<sk_X509_num(sk); i++)
2084 X509_NAME_oneline(X509_get_subject_name(
2085 sk_X509_value(sk,i)),buf,sizeof buf);
2086 BIO_printf(bio,"%2d s:%s\n",i,buf);
2087 X509_NAME_oneline(X509_get_issuer_name(
2088 sk_X509_value(sk,i)),buf,sizeof buf);
2089 BIO_printf(bio," i:%s\n",buf);
2091 PEM_write_bio_X509(bio,sk_X509_value(sk,i));
2095 BIO_printf(bio,"---\n");
2096 peer=SSL_get_peer_certificate(s);
2099 BIO_printf(bio,"Server certificate\n");
2100 if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */
2101 PEM_write_bio_X509(bio,peer);
2102 X509_NAME_oneline(X509_get_subject_name(peer),
2104 BIO_printf(bio,"subject=%s\n",buf);
2105 X509_NAME_oneline(X509_get_issuer_name(peer),
2107 BIO_printf(bio,"issuer=%s\n",buf);
2110 BIO_printf(bio,"no peer certificate available\n");
2112 sk2=SSL_get_client_CA_list(s);
2113 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0))
2115 BIO_printf(bio,"---\nAcceptable client certificate CA names\n");
2116 for (i=0; i<sk_X509_NAME_num(sk2); i++)
2118 xn=sk_X509_NAME_value(sk2,i);
2119 X509_NAME_oneline(xn,buf,sizeof(buf));
2120 BIO_write(bio,buf,strlen(buf));
2121 BIO_write(bio,"\n",1);
2126 BIO_printf(bio,"---\nNo client certificate CA names sent\n");
2128 p=SSL_get_shared_ciphers(s,buf,sizeof buf);
2131 /* This works only for SSL 2. In later protocol
2132 * versions, the client does not know what other
2133 * ciphers (in addition to the one to be used
2134 * in the current connection) the server supports. */
2136 BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n");
2142 BIO_write(bio,space,15-j%25);
2145 BIO_write(bio,((i%3)?" ":"\n"),1);
2154 BIO_write(bio,"\n",1);
2157 ssl_print_sigalgs(bio, s);
2158 ssl_print_tmp_key(bio, s);
2160 BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n",
2161 BIO_number_read(SSL_get_rbio(s)),
2162 BIO_number_written(SSL_get_wbio(s)));
2164 BIO_printf(bio,(SSL_cache_hit(s)?"---\nReused, ":"---\nNew, "));
2165 c=SSL_get_current_cipher(s);
2166 BIO_printf(bio,"%s, Cipher is %s\n",
2167 SSL_CIPHER_get_version(c),
2168 SSL_CIPHER_get_name(c));
2171 pktmp = X509_get_pubkey(peer);
2172 BIO_printf(bio,"Server public key is %d bit\n",
2173 EVP_PKEY_bits(pktmp));
2174 EVP_PKEY_free(pktmp);
2176 BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
2177 SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
2178 #ifndef OPENSSL_NO_COMP
2179 comp=SSL_get_current_compression(s);
2180 expansion=SSL_get_current_expansion(s);
2181 BIO_printf(bio,"Compression: %s\n",
2182 comp ? SSL_COMP_get_name(comp) : "NONE");
2183 BIO_printf(bio,"Expansion: %s\n",
2184 expansion ? SSL_COMP_get_name(expansion) : "NONE");
2189 /* Print out local port of connection: useful for debugging */
2191 struct sockaddr_in ladd;
2192 socklen_t ladd_size = sizeof(ladd);
2193 sock = SSL_get_fd(s);
2194 getsockname(sock, (struct sockaddr *)&ladd, &ladd_size);
2195 BIO_printf(bio_c_out, "LOCAL PORT is %u\n", ntohs(ladd.sin_port));
2199 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2200 if (next_proto.status != -1) {
2201 const unsigned char *proto;
2202 unsigned int proto_len;
2203 SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
2204 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
2205 BIO_write(bio, proto, proto_len);
2206 BIO_write(bio, "\n", 1);
2211 SRTP_PROTECTION_PROFILE *srtp_profile=SSL_get_selected_srtp_profile(s);
2214 BIO_printf(bio,"SRTP Extension negotiated, profile=%s\n",
2215 srtp_profile->name);
2218 SSL_SESSION_print(bio,SSL_get_session(s));
2219 if (keymatexportlabel != NULL)
2221 BIO_printf(bio, "Keying material exporter:\n");
2222 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel);
2223 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen);
2224 exportedkeymat = OPENSSL_malloc(keymatexportlen);
2225 if (exportedkeymat != NULL)
2227 if (!SSL_export_keying_material(s, exportedkeymat,
2230 strlen(keymatexportlabel),
2233 BIO_printf(bio, " Error\n");
2237 BIO_printf(bio, " Keying material: ");
2238 for (i=0; i<keymatexportlen; i++)
2239 BIO_printf(bio, "%02X",
2241 BIO_printf(bio, "\n");
2243 OPENSSL_free(exportedkeymat);
2246 BIO_printf(bio,"---\n");
2249 /* flush, or debugging output gets mixed with http response */
2250 (void)BIO_flush(bio);
2253 #ifndef OPENSSL_NO_TLSEXT
2255 static int ocsp_resp_cb(SSL *s, void *arg)
2257 const unsigned char *p;
2260 len = SSL_get_tlsext_status_ocsp_resp(s, &p);
2261 BIO_puts(arg, "OCSP response: ");
2264 BIO_puts(arg, "no response sent\n");
2267 rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
2270 BIO_puts(arg, "response parse error\n");
2271 BIO_dump_indent(arg, (char *)p, len, 4);
2274 BIO_puts(arg, "\n======================================\n");
2275 OCSP_RESPONSE_print(arg, rsp, 0);
2276 BIO_puts(arg, "======================================\n");
2277 OCSP_RESPONSE_free(rsp);
2281 static int audit_proof_cb(SSL *s, void *arg)
2283 const unsigned char *proof;
2286 SSL_SESSION *sess = SSL_get_session(s);
2288 proof = SSL_SESSION_get_tlsext_authz_server_audit_proof(sess,
2292 BIO_printf(bio_c_out, "Audit proof: ");
2293 for (i = 0; i < proof_len; ++i)
2294 BIO_printf(bio_c_out, "%02X", proof[i]);
2295 BIO_printf(bio_c_out, "\n");
2299 BIO_printf(bio_c_out, "No audit proof found.\n");