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 meth=SSLv23_client_method();
653 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
655 if (!load_config(bio_err, NULL))
657 cctx = SSL_CONF_CTX_new();
660 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT);
661 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CMDLINE);
663 if ( ((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
664 ((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
665 ((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL))
667 BIO_printf(bio_err,"out of memory\n");
672 verify_error=X509_V_OK;
681 if (strcmp(*argv,"-host") == 0)
683 if (--argc < 1) goto bad;
686 else if (strcmp(*argv,"-port") == 0)
688 if (--argc < 1) goto bad;
689 port=atoi(*(++argv));
690 if (port == 0) goto bad;
692 else if (strcmp(*argv,"-connect") == 0)
694 if (--argc < 1) goto bad;
695 if (!extract_host_port(*(++argv),&host,NULL,&port))
698 else if (strcmp(*argv,"-verify") == 0)
700 verify=SSL_VERIFY_PEER;
701 if (--argc < 1) goto bad;
702 verify_depth=atoi(*(++argv));
704 BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
706 else if (strcmp(*argv,"-cert") == 0)
708 if (--argc < 1) goto bad;
709 cert_file= *(++argv);
711 else if (strcmp(*argv,"-sess_out") == 0)
713 if (--argc < 1) goto bad;
714 sess_out = *(++argv);
716 else if (strcmp(*argv,"-sess_in") == 0)
718 if (--argc < 1) goto bad;
721 else if (strcmp(*argv,"-certform") == 0)
723 if (--argc < 1) goto bad;
724 cert_format = str2fmt(*(++argv));
726 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
732 else if (strcmp(*argv,"-verify_return_error") == 0)
733 verify_return_error = 1;
734 else if (strcmp(*argv,"-verify_quiet") == 0)
736 else if (strcmp(*argv,"-brief") == 0)
742 else if (args_excert(&argv, &argc, &badarg, bio_err, &exc))
748 else if (args_ssl(&argv, &argc, cctx, &badarg, bio_err, &ssl_args))
754 else if (strcmp(*argv,"-prexit") == 0)
756 else if (strcmp(*argv,"-crlf") == 0)
758 else if (strcmp(*argv,"-quiet") == 0)
763 else if (strcmp(*argv,"-ign_eof") == 0)
765 else if (strcmp(*argv,"-no_ign_eof") == 0)
767 else if (strcmp(*argv,"-pause") == 0)
769 else if (strcmp(*argv,"-debug") == 0)
771 #ifndef OPENSSL_NO_TLSEXT
772 else if (strcmp(*argv,"-tlsextdebug") == 0)
774 else if (strcmp(*argv,"-status") == 0)
776 else if (strcmp(*argv,"-proof_debug") == 0)
780 else if (strcmp(*argv,"-wdebug") == 0)
783 else if (strcmp(*argv,"-msg") == 0)
785 else if (strcmp(*argv,"-msgfile") == 0)
787 if (--argc < 1) goto bad;
788 bio_c_msg = BIO_new_file(*(++argv), "w");
790 #ifndef OPENSSL_NO_SSL_TRACE
791 else if (strcmp(*argv,"-trace") == 0)
794 else if (strcmp(*argv,"-showcerts") == 0)
796 else if (strcmp(*argv,"-nbio_test") == 0)
798 else if (strcmp(*argv,"-state") == 0)
800 #ifndef OPENSSL_NO_PSK
801 else if (strcmp(*argv,"-psk_identity") == 0)
803 if (--argc < 1) goto bad;
804 psk_identity=*(++argv);
806 else if (strcmp(*argv,"-psk") == 0)
810 if (--argc < 1) goto bad;
812 for (j = 0; j < strlen(psk_key); j++)
814 if (isxdigit((unsigned char)psk_key[j]))
816 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
821 #ifndef OPENSSL_NO_SRP
822 else if (strcmp(*argv,"-srpuser") == 0)
824 if (--argc < 1) goto bad;
825 srp_arg.srplogin= *(++argv);
826 meth=TLSv1_client_method();
828 else if (strcmp(*argv,"-srppass") == 0)
830 if (--argc < 1) goto bad;
832 meth=TLSv1_client_method();
834 else if (strcmp(*argv,"-srp_strength") == 0)
836 if (--argc < 1) goto bad;
837 srp_arg.strength=atoi(*(++argv));
838 BIO_printf(bio_err,"SRP minimal length for N is %d\n",srp_arg.strength);
839 meth=TLSv1_client_method();
841 else if (strcmp(*argv,"-srp_lateuser") == 0)
844 meth=TLSv1_client_method();
846 else if (strcmp(*argv,"-srp_moregroups") == 0)
849 meth=TLSv1_client_method();
852 #ifndef OPENSSL_NO_SSL2
853 else if (strcmp(*argv,"-ssl2") == 0)
854 meth=SSLv2_client_method();
856 #ifndef OPENSSL_NO_SSL3
857 else if (strcmp(*argv,"-ssl3") == 0)
858 meth=SSLv3_client_method();
860 #ifndef OPENSSL_NO_TLS1
861 else if (strcmp(*argv,"-tls1_2") == 0)
862 meth=TLSv1_2_client_method();
863 else if (strcmp(*argv,"-tls1_1") == 0)
864 meth=TLSv1_1_client_method();
865 else if (strcmp(*argv,"-tls1") == 0)
866 meth=TLSv1_client_method();
868 #ifndef OPENSSL_NO_DTLS1
869 else if (strcmp(*argv,"-dtls1") == 0)
871 meth=DTLSv1_client_method();
872 socket_type=SOCK_DGRAM;
874 else if (strcmp(*argv,"-timeout") == 0)
876 else if (strcmp(*argv,"-mtu") == 0)
878 if (--argc < 1) goto bad;
879 socket_mtu = atol(*(++argv));
882 else if (strcmp(*argv,"-keyform") == 0)
884 if (--argc < 1) goto bad;
885 key_format = str2fmt(*(++argv));
887 else if (strcmp(*argv,"-pass") == 0)
889 if (--argc < 1) goto bad;
892 else if (strcmp(*argv,"-key") == 0)
894 if (--argc < 1) goto bad;
897 else if (strcmp(*argv,"-reconnect") == 0)
901 else if (strcmp(*argv,"-CApath") == 0)
903 if (--argc < 1) goto bad;
906 else if (strcmp(*argv,"-chainCApath") == 0)
908 if (--argc < 1) goto bad;
911 else if (strcmp(*argv,"-verifyCApath") == 0)
913 if (--argc < 1) goto bad;
914 vfyCApath= *(++argv);
916 else if (strcmp(*argv,"-build_chain") == 0)
918 else if (strcmp(*argv,"-CAfile") == 0)
920 if (--argc < 1) goto bad;
923 else if (strcmp(*argv,"-chainCAfile") == 0)
925 if (--argc < 1) goto bad;
928 else if (strcmp(*argv,"-verifyCAfile") == 0)
930 if (--argc < 1) goto bad;
931 vfyCAfile= *(++argv);
933 #ifndef OPENSSL_NO_TLSEXT
934 # ifndef OPENSSL_NO_NEXTPROTONEG
935 else if (strcmp(*argv,"-nextprotoneg") == 0)
937 if (--argc < 1) goto bad;
938 next_proto_neg_in = *(++argv);
943 else if (strcmp(*argv,"-nbio") == 0)
946 else if (strcmp(*argv,"-starttls") == 0)
948 if (--argc < 1) goto bad;
950 if (strcmp(*argv,"smtp") == 0)
951 starttls_proto = PROTO_SMTP;
952 else if (strcmp(*argv,"pop3") == 0)
953 starttls_proto = PROTO_POP3;
954 else if (strcmp(*argv,"imap") == 0)
955 starttls_proto = PROTO_IMAP;
956 else if (strcmp(*argv,"ftp") == 0)
957 starttls_proto = PROTO_FTP;
958 else if (strcmp(*argv, "xmpp") == 0)
959 starttls_proto = PROTO_XMPP;
963 #ifndef OPENSSL_NO_ENGINE
964 else if (strcmp(*argv,"-engine") == 0)
966 if (--argc < 1) goto bad;
967 engine_id = *(++argv);
969 else if (strcmp(*argv,"-ssl_client_engine") == 0)
971 if (--argc < 1) goto bad;
972 ssl_client_engine_id = *(++argv);
975 else if (strcmp(*argv,"-rand") == 0)
977 if (--argc < 1) goto bad;
980 #ifndef OPENSSL_NO_TLSEXT
981 else if (strcmp(*argv,"-servername") == 0)
983 if (--argc < 1) goto bad;
984 servername= *(++argv);
985 /* meth=TLSv1_client_method(); */
988 else if (strcmp(*argv,"-checkhost") == 0)
990 if (--argc < 1) goto bad;
991 checkhost=(unsigned char *)*(++argv);
993 else if (strcmp(*argv,"-checkemail") == 0)
995 if (--argc < 1) goto bad;
996 checkemail=(unsigned char *)*(++argv);
998 else if (strcmp(*argv,"-checkip") == 0)
1000 if (--argc < 1) goto bad;
1003 #ifndef OPENSSL_NO_JPAKE
1004 else if (strcmp(*argv,"-jpake") == 0)
1006 if (--argc < 1) goto bad;
1007 jpake_secret = *++argv;
1010 else if (strcmp(*argv,"-use_srtp") == 0)
1012 if (--argc < 1) goto bad;
1013 srtp_profiles = *(++argv);
1015 else if (strcmp(*argv,"-keymatexport") == 0)
1017 if (--argc < 1) goto bad;
1018 keymatexportlabel= *(++argv);
1020 else if (strcmp(*argv,"-keymatexportlen") == 0)
1022 if (--argc < 1) goto bad;
1023 keymatexportlen=atoi(*(++argv));
1024 if (keymatexportlen == 0) goto bad;
1028 BIO_printf(bio_err,"unknown option %s\n",*argv);
1042 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1048 "Can't use JPAKE and PSK together\n");
1051 psk_identity = "JPAKE";
1056 BIO_printf(bio_err, "JPAKE sets cipher to PSK\n");
1062 OpenSSL_add_ssl_algorithms();
1063 SSL_load_error_strings();
1065 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
1066 next_proto.status = -1;
1067 if (next_proto_neg_in)
1069 next_proto.data = next_protos_parse(&next_proto.len, next_proto_neg_in);
1070 if (next_proto.data == NULL)
1072 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n");
1077 next_proto.data = NULL;
1080 #ifndef OPENSSL_NO_ENGINE
1081 e = setup_engine(bio_err, engine_id, 1);
1082 if (ssl_client_engine_id)
1084 ssl_client_engine = ENGINE_by_id(ssl_client_engine_id);
1085 if (!ssl_client_engine)
1088 "Error getting client auth engine\n");
1094 if (!app_passwd(bio_err, passarg, NULL, &pass, NULL))
1096 BIO_printf(bio_err, "Error getting password\n");
1100 if (key_file == NULL)
1101 key_file = cert_file;
1108 key = load_key(bio_err, key_file, key_format, 0, pass, e,
1109 "client certificate private key file");
1112 ERR_print_errors(bio_err);
1121 cert = load_cert(bio_err,cert_file,cert_format,
1122 NULL, e, "client certificate file");
1126 ERR_print_errors(bio_err);
1131 if (!load_excert(&exc, bio_err))
1134 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1137 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
1140 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
1141 app_RAND_load_files(inrand));
1143 if (bio_c_out == NULL)
1145 if (c_quiet && !c_debug)
1147 bio_c_out=BIO_new(BIO_s_null());
1148 if (c_msg && !bio_c_msg)
1149 bio_c_msg=BIO_new_fp(stdout,BIO_NOCLOSE);
1153 if (bio_c_out == NULL)
1154 bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE);
1158 #ifndef OPENSSL_NO_SRP
1159 if(!app_passwd(bio_err, srppass, NULL, &srp_arg.srppassin, NULL))
1161 BIO_printf(bio_err, "Error getting password\n");
1166 ctx=SSL_CTX_new(meth);
1169 ERR_print_errors(bio_err);
1174 SSL_CTX_set1_param(ctx, vpm);
1176 if (!args_ssl_call(ctx, bio_err, cctx, ssl_args, 1))
1178 ERR_print_errors(bio_err);
1182 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile))
1184 BIO_printf(bio_err, "Error loading store locations\n");
1185 ERR_print_errors(bio_err);
1189 #ifndef OPENSSL_NO_ENGINE
1190 if (ssl_client_engine)
1192 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine))
1194 BIO_puts(bio_err, "Error setting client auth engine\n");
1195 ERR_print_errors(bio_err);
1196 ENGINE_free(ssl_client_engine);
1199 ENGINE_free(ssl_client_engine);
1203 #ifndef OPENSSL_NO_PSK
1204 #ifdef OPENSSL_NO_JPAKE
1205 if (psk_key != NULL)
1207 if (psk_key != NULL || jpake_secret)
1211 BIO_printf(bio_c_out, "PSK key given or JPAKE in use, setting client callback\n");
1212 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
1214 if (srtp_profiles != NULL)
1215 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1217 if (exc) ssl_ctx_set_excert(ctx, exc);
1218 /* DTLS: partial reads end up discarding unread UDP bytes :-(
1219 * Setting read ahead solves this problem.
1221 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1223 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
1224 if (next_proto.data)
1225 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
1228 if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1231 SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER"));
1234 SSL_CTX_set_verify(ctx,verify,verify_callback);
1236 if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
1237 (!SSL_CTX_set_default_verify_paths(ctx)))
1239 /* BIO_printf(bio_err,"error setting default verify locations\n"); */
1240 ERR_print_errors(bio_err);
1244 if (!set_cert_key_stuff(ctx,cert,key, NULL, build_chain))
1247 #ifndef OPENSSL_NO_TLSEXT
1248 if (servername != NULL)
1250 tlsextcbp.biodebug = bio_err;
1251 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1252 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1254 #ifndef OPENSSL_NO_SRP
1255 if (srp_arg.srplogin)
1257 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin))
1259 BIO_printf(bio_err,"Unable to set SRP username\n");
1262 srp_arg.msg = c_msg;
1263 srp_arg.debug = c_debug ;
1264 SSL_CTX_set_srp_cb_arg(ctx,&srp_arg);
1265 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb);
1266 SSL_CTX_set_srp_strength(ctx, srp_arg.strength);
1267 if (c_msg || c_debug || srp_arg.amp == 0)
1268 SSL_CTX_set_srp_verify_param_callback(ctx, ssl_srp_verify_param_cb);
1273 SSL_CTX_set_tlsext_authz_server_audit_proof_cb(ctx,
1281 BIO *stmp = BIO_new_file(sess_in, "r");
1284 BIO_printf(bio_err, "Can't open session file %s\n",
1286 ERR_print_errors(bio_err);
1289 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1293 BIO_printf(bio_err, "Can't open session file %s\n",
1295 ERR_print_errors(bio_err);
1298 SSL_set_session(con, sess);
1299 SSL_SESSION_free(sess);
1301 #ifndef OPENSSL_NO_TLSEXT
1302 if (servername != NULL)
1304 if (!SSL_set_tlsext_host_name(con,servername))
1306 BIO_printf(bio_err,"Unable to set TLS servername extension.\n");
1307 ERR_print_errors(bio_err);
1312 #ifndef OPENSSL_NO_KRB5
1313 if (con && (kctx = kssl_ctx_new()) != NULL)
1315 SSL_set0_kssl_ctx(con, kctx);
1316 kssl_ctx_setstring(kctx, KSSL_SERVER, host);
1318 #endif /* OPENSSL_NO_KRB5 */
1319 /* SSL_set_cipher_list(con,"RC4-MD5"); */
1321 #ifdef TLSEXT_TYPE_opaque_prf_input
1322 SSL_set_tlsext_opaque_prf_input(con, "Test client", 11);
1328 if (init_client(&s,host,port,socket_type) == 0)
1330 BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error());
1334 BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s);
1340 BIO_printf(bio_c_out,"turning on non blocking io\n");
1341 if (BIO_socket_ioctl(s,FIONBIO,&l) < 0)
1343 ERR_print_errors(bio_err);
1348 if (c_Pause & 0x01) SSL_set_debug(con, 1);
1350 if ( SSL_version(con) == DTLS1_VERSION)
1353 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
1354 if (getsockname(s, &peer, (void *)&peerlen) < 0)
1356 BIO_printf(bio_err, "getsockname:errno=%d\n",
1357 get_last_socket_error());
1362 (void)BIO_ctrl_set_connected(sbio, 1, &peer);
1364 if (enable_timeouts)
1367 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1368 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1371 timeout.tv_usec = DGRAM_SND_TIMEOUT;
1372 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1375 if (socket_mtu > 28)
1377 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1378 SSL_set_mtu(con, socket_mtu - 28);
1381 /* want to do MTU discovery */
1382 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1385 sbio=BIO_new_socket(s,BIO_NOCLOSE);
1391 test=BIO_new(BIO_f_nbio_test());
1392 sbio=BIO_push(test,sbio);
1397 SSL_set_debug(con, 1);
1398 BIO_set_callback(sbio,bio_dump_callback);
1399 BIO_set_callback_arg(sbio,(char *)bio_c_out);
1403 #ifndef OPENSSL_NO_SSL_TRACE
1405 SSL_set_msg_callback(con, SSL_trace);
1408 SSL_set_msg_callback(con, msg_cb);
1409 SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out);
1411 #ifndef OPENSSL_NO_TLSEXT
1414 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1415 SSL_set_tlsext_debug_arg(con, bio_c_out);
1419 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
1420 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
1421 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
1424 STACK_OF(OCSP_RESPID) *ids = sk_OCSP_RESPID_new_null();
1425 OCSP_RESPID *id = OCSP_RESPID_new();
1426 id->value.byKey = ASN1_OCTET_STRING_new();
1427 id->type = V_OCSP_RESPID_KEY;
1428 ASN1_STRING_set(id->value.byKey, "Hello World", -1);
1429 sk_OCSP_RESPID_push(ids, id);
1430 SSL_set_tlsext_status_ids(con, ids);
1435 #ifndef OPENSSL_NO_JPAKE
1437 jpake_client_auth(bio_c_out, sbio, jpake_secret);
1440 SSL_set_bio(con,sbio,sbio);
1441 SSL_set_connect_state(con);
1443 /* ok, lets connect */
1444 width=SSL_get_fd(con)+1;
1457 /* This is an ugly hack that does a lot of assumptions */
1458 /* We do have to handle multi-line responses which may come
1459 in a single packet or not. We therefore have to use
1460 BIO_gets() which does need a buffering BIO. So during
1461 the initial chitchat we do push a buffering BIO into the
1462 chain that is removed again later on to not disturb the
1463 rest of the s_client operation. */
1464 if (starttls_proto == PROTO_SMTP)
1467 BIO *fbio = BIO_new(BIO_f_buffer());
1468 BIO_push(fbio, sbio);
1469 /* wait for multi-line response to end from SMTP */
1472 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1474 while (mbuf_len>3 && mbuf[3]=='-');
1475 /* STARTTLS command requires EHLO... */
1476 BIO_printf(fbio,"EHLO openssl.client.net\r\n");
1477 (void)BIO_flush(fbio);
1478 /* wait for multi-line response to end EHLO SMTP response */
1481 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1482 if (strstr(mbuf,"STARTTLS"))
1485 while (mbuf_len>3 && mbuf[3]=='-');
1486 (void)BIO_flush(fbio);
1491 "didn't found starttls in server response,"
1492 " try anyway...\n");
1493 BIO_printf(sbio,"STARTTLS\r\n");
1494 BIO_read(sbio,sbuf,BUFSIZZ);
1496 else if (starttls_proto == PROTO_POP3)
1498 BIO_read(sbio,mbuf,BUFSIZZ);
1499 BIO_printf(sbio,"STLS\r\n");
1500 BIO_read(sbio,sbuf,BUFSIZZ);
1502 else if (starttls_proto == PROTO_IMAP)
1505 BIO *fbio = BIO_new(BIO_f_buffer());
1506 BIO_push(fbio, sbio);
1507 BIO_gets(fbio,mbuf,BUFSIZZ);
1508 /* STARTTLS command requires CAPABILITY... */
1509 BIO_printf(fbio,". CAPABILITY\r\n");
1510 (void)BIO_flush(fbio);
1511 /* wait for multi-line CAPABILITY response */
1514 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1515 if (strstr(mbuf,"STARTTLS"))
1518 while (mbuf_len>3 && mbuf[0]!='.');
1519 (void)BIO_flush(fbio);
1524 "didn't found STARTTLS in server response,"
1525 " try anyway...\n");
1526 BIO_printf(sbio,". STARTTLS\r\n");
1527 BIO_read(sbio,sbuf,BUFSIZZ);
1529 else if (starttls_proto == PROTO_FTP)
1531 BIO *fbio = BIO_new(BIO_f_buffer());
1532 BIO_push(fbio, sbio);
1533 /* wait for multi-line response to end from FTP */
1536 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1538 while (mbuf_len>3 && mbuf[3]=='-');
1539 (void)BIO_flush(fbio);
1542 BIO_printf(sbio,"AUTH TLS\r\n");
1543 BIO_read(sbio,sbuf,BUFSIZZ);
1545 if (starttls_proto == PROTO_XMPP)
1548 BIO_printf(sbio,"<stream:stream "
1549 "xmlns:stream='http://etherx.jabber.org/streams' "
1550 "xmlns='jabber:client' to='%s' version='1.0'>", host);
1551 seen = BIO_read(sbio,mbuf,BUFSIZZ);
1553 while (!strstr(mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'"))
1555 if (strstr(mbuf, "/stream:features>"))
1557 seen = BIO_read(sbio,mbuf,BUFSIZZ);
1560 BIO_printf(sbio, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
1561 seen = BIO_read(sbio,sbuf,BUFSIZZ);
1563 if (!strstr(sbuf, "<proceed"))
1573 if ((SSL_version(con) == DTLS1_VERSION) &&
1574 DTLSv1_get_timeout(con, &timeout))
1575 timeoutp = &timeout;
1579 if (SSL_in_init(con) && !SSL_total_renegotiations(con))
1590 #if 0 /* This test doesn't really work as intended (needs to be fixed) */
1591 #ifndef OPENSSL_NO_TLSEXT
1592 if (servername != NULL && !SSL_session_reused(con))
1594 BIO_printf(bio_c_out,"Server did %sacknowledge servername extension.\n",tlsextcbp.ack?"":"not ");
1600 BIO *stmp = BIO_new_file(sess_out, "w");
1603 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));
1607 BIO_printf(bio_err, "Error writing session file %s\n", sess_out);
1612 "CONNECTION ESTABLISHED\n");
1613 print_ssl_summary(bio_err, con);
1615 print_ssl_cert_checks(bio_err, con, checkhost,
1616 checkemail, checkip);
1617 print_stuff(bio_c_out,con,full_log);
1618 if (full_log > 0) full_log--;
1622 BIO_printf(bio_err,"%s",mbuf);
1623 /* We don't need to know any more */
1624 starttls_proto = PROTO_OFF;
1630 BIO_printf(bio_c_out,"drop connection and then reconnect\n");
1632 SSL_set_connect_state(con);
1633 SHUTDOWN(SSL_get_fd(con));
1639 ssl_pending = read_ssl && SSL_pending(con);
1643 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined (OPENSSL_SYS_BEOS_R5)
1646 if (read_tty) openssl_fdset(fileno(stdin),&readfds);
1647 if (write_tty) openssl_fdset(fileno(stdout),&writefds);
1650 openssl_fdset(SSL_get_fd(con),&readfds);
1652 openssl_fdset(SSL_get_fd(con),&writefds);
1654 if(!tty_on || !write_tty) {
1656 openssl_fdset(SSL_get_fd(con),&readfds);
1658 openssl_fdset(SSL_get_fd(con),&writefds);
1661 /* printf("mode tty(%d %d%d) ssl(%d%d)\n",
1662 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
1664 /* Note: under VMS with SOCKETSHR the second parameter
1665 * is currently of type (int *) whereas under other
1666 * systems it is (void *) if you don't have a cast it
1667 * will choke the compiler: if you do have a cast then
1668 * you can either go for (int *) or (void *).
1670 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1671 /* Under Windows/DOS we make the assumption that we can
1672 * always write to the tty: therefore if we need to
1673 * write to the tty we just fall through. Otherwise
1674 * we timeout the select every second and see if there
1675 * are any keypresses. Note: this is a hack, in a proper
1676 * Windows application we wouldn't do this.
1683 i=select(width,(void *)&readfds,(void *)&writefds,
1685 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1686 if(!i && (!_kbhit() || !read_tty) ) continue;
1688 if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue;
1690 } else i=select(width,(void *)&readfds,(void *)&writefds,
1693 #elif defined(OPENSSL_SYS_NETWARE)
1698 i=select(width,(void *)&readfds,(void *)&writefds,
1700 } else i=select(width,(void *)&readfds,(void *)&writefds,
1703 #elif defined(OPENSSL_SYS_BEOS_R5)
1704 /* Under BeOS-R5 the situation is similar to DOS */
1707 (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
1712 i=select(width,(void *)&readfds,(void *)&writefds,
1714 if (read(fileno(stdin), sbuf, 0) >= 0)
1716 if (!i && (stdin_set != 1 || !read_tty))
1718 } else i=select(width,(void *)&readfds,(void *)&writefds,
1721 (void)fcntl(fileno(stdin), F_SETFL, 0);
1723 i=select(width,(void *)&readfds,(void *)&writefds,
1728 BIO_printf(bio_err,"bad select %d\n",
1729 get_last_socket_error());
1735 if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
1737 BIO_printf(bio_err,"TIMEOUT occured\n");
1740 if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds))
1742 k=SSL_write(con,&(cbuf[cbuf_off]),
1743 (unsigned int)cbuf_len);
1744 switch (SSL_get_error(con,k))
1746 case SSL_ERROR_NONE:
1749 if (k <= 0) goto end;
1750 /* we have done a write(con,NULL,0); */
1756 else /* if (cbuf_len > 0) */
1762 case SSL_ERROR_WANT_WRITE:
1763 BIO_printf(bio_c_out,"write W BLOCK\n");
1767 case SSL_ERROR_WANT_READ:
1768 BIO_printf(bio_c_out,"write R BLOCK\n");
1773 case SSL_ERROR_WANT_X509_LOOKUP:
1774 BIO_printf(bio_c_out,"write X BLOCK\n");
1776 case SSL_ERROR_ZERO_RETURN:
1779 BIO_printf(bio_c_out,"shutdown\n");
1790 case SSL_ERROR_SYSCALL:
1791 if ((k != 0) || (cbuf_len != 0))
1793 BIO_printf(bio_err,"write:errno=%d\n",
1794 get_last_socket_error());
1804 ERR_print_errors(bio_err);
1808 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
1809 /* Assume Windows/DOS/BeOS can always write */
1810 else if (!ssl_pending && write_tty)
1812 else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds))
1815 #ifdef CHARSET_EBCDIC
1816 ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len);
1818 i=raw_write_stdout(&(sbuf[sbuf_off]),sbuf_len);
1822 BIO_printf(bio_c_out,"DONE\n");
1836 else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds))
1839 { static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } }
1842 k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ );
1844 /* Demo for pending and peek :-) */
1845 k=SSL_read(con,sbuf,16);
1847 printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240));
1851 switch (SSL_get_error(con,k))
1853 case SSL_ERROR_NONE:
1862 case SSL_ERROR_WANT_WRITE:
1863 BIO_printf(bio_c_out,"read W BLOCK\n");
1867 case SSL_ERROR_WANT_READ:
1868 BIO_printf(bio_c_out,"read R BLOCK\n");
1871 if ((read_tty == 0) && (write_ssl == 0))
1874 case SSL_ERROR_WANT_X509_LOOKUP:
1875 BIO_printf(bio_c_out,"read X BLOCK\n");
1877 case SSL_ERROR_SYSCALL:
1878 ret=get_last_socket_error();
1879 BIO_printf(bio_err,"read:errno=%d\n",ret);
1881 case SSL_ERROR_ZERO_RETURN:
1882 BIO_printf(bio_c_out,"closed\n");
1886 ERR_print_errors(bio_err);
1892 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1893 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1896 else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
1898 #elif defined (OPENSSL_SYS_NETWARE)
1900 #elif defined(OPENSSL_SYS_BEOS_R5)
1903 else if (FD_ISSET(fileno(stdin),&readfds))
1910 i=raw_read_stdin(cbuf,BUFSIZZ/2);
1912 /* both loops are skipped when i <= 0 */
1913 for (j = 0; j < i; j++)
1914 if (cbuf[j] == '\n')
1916 for (j = i-1; j >= 0; j--)
1918 cbuf[j+lf_num] = cbuf[j];
1919 if (cbuf[j] == '\n')
1923 cbuf[j+lf_num] = '\r';
1926 assert(lf_num == 0);
1929 i=raw_read_stdin(cbuf,BUFSIZZ);
1931 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q')))
1933 BIO_printf(bio_err,"DONE\n");
1938 if ((!c_ign_eof) && (cbuf[0] == 'R'))
1940 BIO_printf(bio_err,"RENEGOTIATING\n");
1941 SSL_renegotiate(con);
1944 #ifndef OPENSSL_NO_HEARTBEATS
1945 else if ((!c_ign_eof) && (cbuf[0] == 'B'))
1947 BIO_printf(bio_err,"HEARTBEATING\n");
1956 #ifdef CHARSET_EBCDIC
1957 ebcdic2ascii(cbuf, cbuf, i);
1969 print_stuff(bio_c_out,con,full_log);
1971 SHUTDOWN(SSL_get_fd(con));
1976 print_stuff(bio_c_out,con,1);
1979 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
1980 if (next_proto.data)
1981 OPENSSL_free(next_proto.data);
1983 if (ctx != NULL) SSL_CTX_free(ctx);
1991 X509_VERIFY_PARAM_free(vpm);
1992 ssl_excert_free(exc);
1994 sk_OPENSSL_STRING_free(ssl_args);
1996 SSL_CONF_CTX_free(cctx);
1997 if (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); }
1998 if (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); }
1999 if (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); }
2000 if (bio_c_out != NULL)
2002 BIO_free(bio_c_out);
2005 if (bio_c_msg != NULL)
2007 BIO_free(bio_c_msg);
2015 static void print_stuff(BIO *bio, SSL *s, int full)
2019 static const char *space=" ";
2022 STACK_OF(X509_NAME) *sk2;
2023 const SSL_CIPHER *c;
2026 #ifndef OPENSSL_NO_COMP
2027 const COMP_METHOD *comp, *expansion;
2029 unsigned char *exportedkeymat;
2033 int got_a_chain = 0;
2035 sk=SSL_get_peer_cert_chain(s);
2038 got_a_chain = 1; /* we don't have it for SSL2 (yet) */
2040 BIO_printf(bio,"---\nCertificate chain\n");
2041 for (i=0; i<sk_X509_num(sk); i++)
2043 X509_NAME_oneline(X509_get_subject_name(
2044 sk_X509_value(sk,i)),buf,sizeof buf);
2045 BIO_printf(bio,"%2d s:%s\n",i,buf);
2046 X509_NAME_oneline(X509_get_issuer_name(
2047 sk_X509_value(sk,i)),buf,sizeof buf);
2048 BIO_printf(bio," i:%s\n",buf);
2050 PEM_write_bio_X509(bio,sk_X509_value(sk,i));
2054 BIO_printf(bio,"---\n");
2055 peer=SSL_get_peer_certificate(s);
2058 BIO_printf(bio,"Server certificate\n");
2059 if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */
2060 PEM_write_bio_X509(bio,peer);
2061 X509_NAME_oneline(X509_get_subject_name(peer),
2063 BIO_printf(bio,"subject=%s\n",buf);
2064 X509_NAME_oneline(X509_get_issuer_name(peer),
2066 BIO_printf(bio,"issuer=%s\n",buf);
2069 BIO_printf(bio,"no peer certificate available\n");
2071 sk2=SSL_get_client_CA_list(s);
2072 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0))
2074 BIO_printf(bio,"---\nAcceptable client certificate CA names\n");
2075 for (i=0; i<sk_X509_NAME_num(sk2); i++)
2077 xn=sk_X509_NAME_value(sk2,i);
2078 X509_NAME_oneline(xn,buf,sizeof(buf));
2079 BIO_write(bio,buf,strlen(buf));
2080 BIO_write(bio,"\n",1);
2085 BIO_printf(bio,"---\nNo client certificate CA names sent\n");
2087 p=SSL_get_shared_ciphers(s,buf,sizeof buf);
2090 /* This works only for SSL 2. In later protocol
2091 * versions, the client does not know what other
2092 * ciphers (in addition to the one to be used
2093 * in the current connection) the server supports. */
2095 BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n");
2101 BIO_write(bio,space,15-j%25);
2104 BIO_write(bio,((i%3)?" ":"\n"),1);
2113 BIO_write(bio,"\n",1);
2116 ssl_print_sigalgs(bio, s);
2117 ssl_print_tmp_key(bio, s);
2119 BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n",
2120 BIO_number_read(SSL_get_rbio(s)),
2121 BIO_number_written(SSL_get_wbio(s)));
2123 BIO_printf(bio,(SSL_cache_hit(s)?"---\nReused, ":"---\nNew, "));
2124 c=SSL_get_current_cipher(s);
2125 BIO_printf(bio,"%s, Cipher is %s\n",
2126 SSL_CIPHER_get_version(c),
2127 SSL_CIPHER_get_name(c));
2130 pktmp = X509_get_pubkey(peer);
2131 BIO_printf(bio,"Server public key is %d bit\n",
2132 EVP_PKEY_bits(pktmp));
2133 EVP_PKEY_free(pktmp);
2135 BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
2136 SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
2137 #ifndef OPENSSL_NO_COMP
2138 comp=SSL_get_current_compression(s);
2139 expansion=SSL_get_current_expansion(s);
2140 BIO_printf(bio,"Compression: %s\n",
2141 comp ? SSL_COMP_get_name(comp) : "NONE");
2142 BIO_printf(bio,"Expansion: %s\n",
2143 expansion ? SSL_COMP_get_name(expansion) : "NONE");
2148 /* Print out local port of connection: useful for debugging */
2150 struct sockaddr_in ladd;
2151 socklen_t ladd_size = sizeof(ladd);
2152 sock = SSL_get_fd(s);
2153 getsockname(sock, (struct sockaddr *)&ladd, &ladd_size);
2154 BIO_printf(bio_c_out, "LOCAL PORT is %u\n", ntohs(ladd.sin_port));
2158 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2159 if (next_proto.status != -1) {
2160 const unsigned char *proto;
2161 unsigned int proto_len;
2162 SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
2163 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
2164 BIO_write(bio, proto, proto_len);
2165 BIO_write(bio, "\n", 1);
2170 SRTP_PROTECTION_PROFILE *srtp_profile=SSL_get_selected_srtp_profile(s);
2173 BIO_printf(bio,"SRTP Extension negotiated, profile=%s\n",
2174 srtp_profile->name);
2177 SSL_SESSION_print(bio,SSL_get_session(s));
2178 if (keymatexportlabel != NULL)
2180 BIO_printf(bio, "Keying material exporter:\n");
2181 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel);
2182 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen);
2183 exportedkeymat = OPENSSL_malloc(keymatexportlen);
2184 if (exportedkeymat != NULL)
2186 if (!SSL_export_keying_material(s, exportedkeymat,
2189 strlen(keymatexportlabel),
2192 BIO_printf(bio, " Error\n");
2196 BIO_printf(bio, " Keying material: ");
2197 for (i=0; i<keymatexportlen; i++)
2198 BIO_printf(bio, "%02X",
2200 BIO_printf(bio, "\n");
2202 OPENSSL_free(exportedkeymat);
2205 BIO_printf(bio,"---\n");
2208 /* flush, or debugging output gets mixed with http response */
2209 (void)BIO_flush(bio);
2212 #ifndef OPENSSL_NO_TLSEXT
2214 static int ocsp_resp_cb(SSL *s, void *arg)
2216 const unsigned char *p;
2219 len = SSL_get_tlsext_status_ocsp_resp(s, &p);
2220 BIO_puts(arg, "OCSP response: ");
2223 BIO_puts(arg, "no response sent\n");
2226 rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
2229 BIO_puts(arg, "response parse error\n");
2230 BIO_dump_indent(arg, (char *)p, len, 4);
2233 BIO_puts(arg, "\n======================================\n");
2234 OCSP_RESPONSE_print(arg, rsp, 0);
2235 BIO_puts(arg, "======================================\n");
2236 OCSP_RESPONSE_free(rsp);
2240 static int audit_proof_cb(SSL *s, void *arg)
2242 const unsigned char *proof;
2245 SSL_SESSION *sess = SSL_get_session(s);
2247 proof = SSL_SESSION_get_tlsext_authz_server_audit_proof(sess,
2251 BIO_printf(bio_c_out, "Audit proof: ");
2252 for (i = 0; i < proof_len; ++i)
2253 BIO_printf(bio_c_out, "%02X", proof[i]);
2254 BIO_printf(bio_c_out, "\n");
2258 BIO_printf(bio_c_out, "No audit proof found.\n");