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 /* With IPv6, it looks like Digital has mixed up the proper order of
145 recursive header file inclusion, resulting in the compiler complaining
146 that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which
147 is needed to have fileno() declared correctly... So let's define u_int */
148 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
150 typedef unsigned int u_int;
155 #include <openssl/x509.h>
156 #include <openssl/ssl.h>
157 #include <openssl/err.h>
158 #include <openssl/pem.h>
159 #include <openssl/rand.h>
160 #include <openssl/ocsp.h>
161 #include <openssl/bn.h>
162 #ifndef OPENSSL_NO_SRP
163 #include <openssl/srp.h>
166 #include "timeouts.h"
168 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
169 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
174 #define PROG s_client_main
176 /*#define SSL_HOST_NAME "www.netscape.com" */
177 /*#define SSL_HOST_NAME "193.118.187.102" */
178 #define SSL_HOST_NAME "localhost"
180 /* no default cert. */
181 /*#define TEST_CERT "client.pem" */
184 #define BUFSIZZ 1024*8
186 extern int verify_depth;
187 extern int verify_error;
188 extern int verify_return_error;
189 extern int verify_quiet;
194 static int c_Pause=0;
195 static int c_debug=0;
196 #ifndef OPENSSL_NO_TLSEXT
197 static int c_tlsextdebug=0;
198 static int c_status_req=0;
201 static int c_showcerts=0;
203 static char *keymatexportlabel=NULL;
204 static int keymatexportlen=20;
206 static void sc_usage(void);
207 static void print_stuff(BIO *berr,SSL *con,int full);
208 #ifndef OPENSSL_NO_TLSEXT
209 static int ocsp_resp_cb(SSL *s, void *arg);
211 static BIO *bio_c_out=NULL;
212 static BIO *bio_c_msg=NULL;
213 static int c_quiet=0;
214 static int c_ign_eof=0;
215 static int c_brief=0;
217 #ifndef OPENSSL_NO_PSK
218 /* Default PSK identity and key */
219 static char *psk_identity="Client_identity";
220 /*char *psk_key=NULL; by default PSK is not used */
222 static unsigned int psk_client_cb(SSL *ssl, const char *hint, char *identity,
223 unsigned int max_identity_len, unsigned char *psk,
224 unsigned int max_psk_len)
226 unsigned int psk_len = 0;
231 BIO_printf(bio_c_out, "psk_client_cb\n");
234 /* no ServerKeyExchange message*/
236 BIO_printf(bio_c_out,"NULL received PSK identity hint, continuing anyway\n");
239 BIO_printf(bio_c_out, "Received PSK identity hint '%s'\n", hint);
241 /* lookup PSK identity and PSK key based on the given identity hint here */
242 ret = BIO_snprintf(identity, max_identity_len, "%s", psk_identity);
243 if (ret < 0 || (unsigned int)ret > max_identity_len)
246 BIO_printf(bio_c_out, "created identity '%s' len=%d\n", identity, ret);
247 ret=BN_hex2bn(&bn, psk_key);
250 BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key);
256 if ((unsigned int)BN_num_bytes(bn) > max_psk_len)
258 BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n",
259 max_psk_len, BN_num_bytes(bn));
264 psk_len=BN_bn2bin(bn, psk);
270 BIO_printf(bio_c_out, "created PSK len=%d\n", psk_len);
275 BIO_printf(bio_err, "Error in PSK client callback\n");
280 static void sc_usage(void)
282 BIO_printf(bio_err,"usage: s_client args\n");
283 BIO_printf(bio_err,"\n");
284 BIO_printf(bio_err," -host host - use -connect instead\n");
285 BIO_printf(bio_err," -port port - use -connect instead\n");
286 BIO_printf(bio_err," -connect host:port - connect over TCP/IP (default is %s:%s)\n",SSL_HOST_NAME,PORT_STR);
287 BIO_printf(bio_err," -unix path - connect over unix domain sockets\n");
288 BIO_printf(bio_err," -verify arg - turn on peer certificate verification\n");
289 BIO_printf(bio_err," -verify_return_error - return verification errors\n");
290 BIO_printf(bio_err," -cert arg - certificate file to use, PEM format assumed\n");
291 BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
292 BIO_printf(bio_err," -key arg - Private key file to use, in cert file if\n");
293 BIO_printf(bio_err," not specified but cert file is.\n");
294 BIO_printf(bio_err," -keyform arg - key format (PEM or DER) PEM default\n");
295 BIO_printf(bio_err," -pass arg - private key file pass phrase source\n");
296 BIO_printf(bio_err," -CApath arg - PEM format directory of CA's\n");
297 BIO_printf(bio_err," -CAfile arg - PEM format file of CA's\n");
298 BIO_printf(bio_err," -trusted_first - Use local CA's first when building trust chain\n");
299 BIO_printf(bio_err," -reconnect - Drop and re-make the connection with the same Session-ID\n");
300 BIO_printf(bio_err," -pause - sleep(1) after each read(2) and write(2) system call\n");
301 BIO_printf(bio_err," -prexit - print session information even on connection failure\n");
302 BIO_printf(bio_err," -showcerts - show all certificates in the chain\n");
303 BIO_printf(bio_err," -debug - extra output\n");
305 BIO_printf(bio_err," -wdebug - WATT-32 tcp debugging\n");
307 BIO_printf(bio_err," -msg - Show protocol messages\n");
308 BIO_printf(bio_err," -nbio_test - more ssl protocol testing\n");
309 BIO_printf(bio_err," -state - print the 'ssl' states\n");
311 BIO_printf(bio_err," -nbio - Run with non-blocking IO\n");
313 BIO_printf(bio_err," -crlf - convert LF from terminal into CRLF\n");
314 BIO_printf(bio_err," -quiet - no s_client output\n");
315 BIO_printf(bio_err," -ign_eof - ignore input eof (default when -quiet)\n");
316 BIO_printf(bio_err," -no_ign_eof - don't ignore input eof\n");
317 #ifndef OPENSSL_NO_PSK
318 BIO_printf(bio_err," -psk_identity arg - PSK identity\n");
319 BIO_printf(bio_err," -psk arg - PSK in hex (without 0x)\n");
320 # ifndef OPENSSL_NO_JPAKE
321 BIO_printf(bio_err," -jpake arg - JPAKE secret to use\n");
324 #ifndef OPENSSL_NO_SRP
325 BIO_printf(bio_err," -srpuser user - SRP authentification for 'user'\n");
326 BIO_printf(bio_err," -srppass arg - password for 'user'\n");
327 BIO_printf(bio_err," -srp_lateuser - SRP username into second ClientHello message\n");
328 BIO_printf(bio_err," -srp_moregroups - Tolerate other than the known g N values.\n");
329 BIO_printf(bio_err," -srp_strength int - minimal length in bits for N (default %d).\n",SRP_MINIMAL_N);
331 #ifndef OPENSSL_NO_SSL3_METHOD
332 BIO_printf(bio_err," -ssl3 - just use SSLv3\n");
334 BIO_printf(bio_err," -tls1_2 - just use TLSv1.2\n");
335 BIO_printf(bio_err," -tls1_1 - just use TLSv1.1\n");
336 BIO_printf(bio_err," -tls1 - just use TLSv1\n");
337 BIO_printf(bio_err," -dtls1 - just use DTLSv1\n");
338 BIO_printf(bio_err," -fallback_scsv - send TLS_FALLBACK_SCSV\n");
339 BIO_printf(bio_err," -mtu - set the link layer MTU\n");
340 BIO_printf(bio_err," -no_tls1_2/-no_tls1_1/-no_tls1/-no_ssl3 - turn off that protocol\n");
341 BIO_printf(bio_err," -bugs - Switch on all SSL implementation bug workarounds\n");
342 BIO_printf(bio_err," -cipher - preferred cipher to use, use the 'openssl ciphers'\n");
343 BIO_printf(bio_err," command to see what is available\n");
344 BIO_printf(bio_err," -starttls prot - use the STARTTLS command before starting TLS\n");
345 BIO_printf(bio_err," for those protocols that support it, where\n");
346 BIO_printf(bio_err," 'prot' defines which one to assume. Currently,\n");
347 BIO_printf(bio_err," only \"smtp\", \"pop3\", \"imap\", \"ftp\" and \"xmpp\"\n");
348 BIO_printf(bio_err," are supported.\n");
349 BIO_printf(bio_err," -xmpphost host - When used with \"-starttls xmpp\" specifies the virtual host.\n");
350 #ifndef OPENSSL_NO_ENGINE
351 BIO_printf(bio_err," -engine id - Initialise and use the specified engine\n");
353 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
354 BIO_printf(bio_err," -sess_out arg - file to write SSL session to\n");
355 BIO_printf(bio_err," -sess_in arg - file to read SSL session from\n");
356 #ifndef OPENSSL_NO_TLSEXT
357 BIO_printf(bio_err," -servername host - Set TLS extension servername in ClientHello\n");
358 BIO_printf(bio_err," -tlsextdebug - hex dump of all TLS extensions received\n");
359 BIO_printf(bio_err," -status - request certificate status from server\n");
360 BIO_printf(bio_err," -no_ticket - disable use of RFC4507bis session tickets\n");
361 BIO_printf(bio_err," -serverinfo types - send empty ClientHello extensions (comma-separated numbers)\n");
362 # ifndef OPENSSL_NO_NEXTPROTONEG
363 BIO_printf(bio_err," -nextprotoneg arg - enable NPN extension, considering named protocols supported (comma-separated list)\n");
365 BIO_printf(bio_err," -alpn arg - enable ALPN extension, considering named protocols supported (comma-separated list)\n");
367 BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
368 #ifndef OPENSSL_NO_SRTP
369 BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
371 BIO_printf(bio_err," -keymatexport label - Export keying material using label\n");
372 BIO_printf(bio_err," -keymatexportlen len - Export len bytes of keying material (default 20)\n");
375 #ifndef OPENSSL_NO_TLSEXT
377 /* This is a context that we pass to callbacks */
378 typedef struct tlsextctx_st {
384 static int ssl_servername_cb(SSL *s, int *ad, void *arg)
386 tlsextctx * p = (tlsextctx *) arg;
387 const char * hn= SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
388 if (SSL_get_servername_type(s) != -1)
389 p->ack = !SSL_session_reused(s) && hn != NULL;
391 BIO_printf(bio_err,"Can't use SSL_get_servername\n");
393 return SSL_TLSEXT_ERR_OK;
396 #ifndef OPENSSL_NO_SRP
398 /* This is a context that we pass to all callbacks */
399 typedef struct srp_arg_st
403 int msg; /* copy from c_msg */
404 int debug; /* copy from c_debug */
405 int amp; /* allow more groups */
406 int strength /* minimal size for N */ ;
409 #define SRP_NUMBER_ITERATIONS_FOR_PRIME 64
411 static int srp_Verify_N_and_g(const BIGNUM *N, const BIGNUM *g)
413 BN_CTX *bn_ctx = BN_CTX_new();
414 BIGNUM *p = BN_new();
415 BIGNUM *r = BN_new();
417 g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) &&
418 BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
419 p != NULL && BN_rshift1(p, N) &&
422 BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
425 /* verify g^((N-1)/2) == -1 (mod N) */
426 BN_mod_exp(r, g, p, N, bn_ctx) &&
440 * This callback is used here for two purposes:
441 * - extended debugging
442 * - making some primality tests for unknown groups
443 * The callback is only called for a non default group.
445 * An application does not need the call back at all if
446 * only the stanard groups are used. In real life situations,
447 * client and server already share well known groups,
448 * thus there is no need to verify them.
449 * Furthermore, in case that a server actually proposes a group that
450 * is not one of those defined in RFC 5054, it is more appropriate
451 * to add the group to a static list and then compare since
452 * primality tests are rather cpu consuming.
455 static int ssl_srp_verify_param_cb(SSL *s, void *arg)
457 SRP_ARG *srp_arg = (SRP_ARG *)arg;
458 BIGNUM *N = NULL, *g = NULL;
459 if (!(N = SSL_get_srp_N(s)) || !(g = SSL_get_srp_g(s)))
461 if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1)
463 BIO_printf(bio_err, "SRP parameters:\n");
464 BIO_printf(bio_err,"\tN="); BN_print(bio_err,N);
465 BIO_printf(bio_err,"\n\tg="); BN_print(bio_err,g);
466 BIO_printf(bio_err,"\n");
469 if (SRP_check_known_gN_param(g,N))
472 if (srp_arg->amp == 1)
475 BIO_printf(bio_err, "SRP param N and g are not known params, going to check deeper.\n");
477 /* The srp_moregroups is a real debugging feature.
478 Implementors should rather add the value to the known ones.
479 The minimal size has already been tested.
481 if (BN_num_bits(g) <= BN_BITS && srp_Verify_N_and_g(N,g))
484 BIO_printf(bio_err, "SRP param N and g rejected.\n");
488 #define PWD_STRLEN 1024
490 static char * ssl_give_srp_client_pwd_cb(SSL *s, void *arg)
492 SRP_ARG *srp_arg = (SRP_ARG *)arg;
493 char *pass = (char *)OPENSSL_malloc(PWD_STRLEN+1);
497 cb_tmp.password = (char *)srp_arg->srppassin;
498 cb_tmp.prompt_info = "SRP user";
499 if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp))<0)
501 BIO_printf (bio_err, "Can't read Password\n");
511 #ifndef OPENSSL_NO_SRTP
512 char *srtp_profiles = NULL;
515 # ifndef OPENSSL_NO_NEXTPROTONEG
516 /* This the context that we pass to next_proto_cb */
517 typedef struct tlsextnextprotoctx_st {
521 } tlsextnextprotoctx;
523 static tlsextnextprotoctx next_proto;
525 static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen, const unsigned char *in, unsigned int inlen, void *arg)
527 tlsextnextprotoctx *ctx = arg;
531 /* We can assume that |in| is syntactically valid. */
533 BIO_printf(bio_c_out, "Protocols advertised by server: ");
534 for (i = 0; i < inlen; )
537 BIO_write(bio_c_out, ", ", 2);
538 BIO_write(bio_c_out, &in[i + 1], in[i]);
541 BIO_write(bio_c_out, "\n", 1);
544 ctx->status = SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len);
545 return SSL_TLSEXT_ERR_OK;
547 # endif /* ndef OPENSSL_NO_NEXTPROTONEG */
549 static int serverinfo_cli_parse_cb(SSL* s, unsigned int ext_type,
550 const unsigned char* in, size_t inlen,
554 unsigned char ext_buf[4 + 65536];
556 /* Reconstruct the type/len fields prior to extension data */
557 ext_buf[0] = ext_type >> 8;
558 ext_buf[1] = ext_type & 0xFF;
559 ext_buf[2] = inlen >> 8;
560 ext_buf[3] = inlen & 0xFF;
561 memcpy(ext_buf+4, in, inlen);
563 BIO_snprintf(pem_name, sizeof(pem_name), "SERVERINFO FOR EXTENSION %d",
565 PEM_write_bio(bio_c_out, pem_name, "", ext_buf, 4 + inlen);
581 int MAIN(int, char **);
583 int MAIN(int argc, char **argv)
587 #ifndef OPENSSL_NO_KRB5
590 int s,k,width,state=0;
591 char *cbuf=NULL,*sbuf=NULL,*mbuf=NULL;
592 int cbuf_len,cbuf_off;
593 int sbuf_len,sbuf_off;
594 fd_set readfds,writefds;
597 char *host=SSL_HOST_NAME;
598 const char *unix_path = NULL;
599 char *xmpphost = NULL;
600 char *cert_file=NULL,*key_file=NULL,*chain_file=NULL;
601 int cert_format = FORMAT_PEM, key_format = FORMAT_PEM;
602 char *passarg = NULL, *pass = NULL;
604 EVP_PKEY *key = NULL;
605 STACK_OF(X509) *chain = NULL;
606 char *CApath=NULL,*CAfile=NULL;
607 char *chCApath=NULL,*chCAfile=NULL;
608 char *vfyCApath=NULL,*vfyCAfile=NULL;
609 int reconnect=0,badop=0,verify=SSL_VERIFY_NONE;
611 int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending;
613 int ret=1,in_init=1,i,nbio_test=0;
614 int starttls_proto = PROTO_OFF;
616 X509_VERIFY_PARAM *vpm = NULL;
618 const SSL_METHOD *meth=NULL;
619 int socket_type=SOCK_STREAM;
623 struct timeval timeout, *timeoutp;
624 #ifndef OPENSSL_NO_ENGINE
625 char *engine_id=NULL;
626 char *ssl_client_engine_id=NULL;
627 ENGINE *ssl_client_engine=NULL;
630 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
633 #ifndef OPENSSL_NO_TLSEXT
634 char *servername = NULL;
635 tlsextctx tlsextcbp =
637 # ifndef OPENSSL_NO_NEXTPROTONEG
638 const char *next_proto_neg_in = NULL;
640 const char *alpn_in = NULL;
641 # define MAX_SI_TYPES 100
642 unsigned short serverinfo_types[MAX_SI_TYPES];
643 int serverinfo_types_count = 0;
645 char *sess_in = NULL;
646 char *sess_out = NULL;
647 struct sockaddr peer;
648 int peerlen = sizeof(peer);
649 int fallback_scsv = 0;
650 int enable_timeouts = 0 ;
652 #ifndef OPENSSL_NO_JPAKE
653 static char *jpake_secret = NULL;
654 #define no_jpake !jpake_secret
658 #ifndef OPENSSL_NO_SRP
659 char * srppass = NULL;
660 int srp_lateuser = 0;
661 SRP_ARG srp_arg = {NULL,NULL,0,0,0,1024};
663 SSL_EXCERT *exc = NULL;
665 SSL_CONF_CTX *cctx = NULL;
666 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
668 char *crl_file = NULL;
669 int crl_format = FORMAT_PEM;
670 int crl_download = 0;
671 STACK_OF(X509_CRL) *crls = NULL;
674 meth=SSLv23_client_method();
685 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
687 if (!load_config(bio_err, NULL))
689 cctx = SSL_CONF_CTX_new();
692 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT);
693 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CMDLINE);
695 if ( ((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
696 ((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
697 ((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL))
699 BIO_printf(bio_err,"out of memory\n");
704 verify_error=X509_V_OK;
713 if (strcmp(*argv,"-host") == 0)
715 if (--argc < 1) goto bad;
718 else if (strcmp(*argv,"-port") == 0)
720 if (--argc < 1) goto bad;
721 port=atoi(*(++argv));
722 if (port == 0) goto bad;
724 else if (strcmp(*argv,"-connect") == 0)
726 if (--argc < 1) goto bad;
727 if (!extract_host_port(*(++argv),&host,NULL,&port))
730 else if (strcmp(*argv,"-unix") == 0)
732 if (--argc < 1) goto bad;
733 unix_path = *(++argv);
735 else if (strcmp(*argv,"-xmpphost") == 0)
737 if (--argc < 1) goto bad;
740 else if (strcmp(*argv,"-verify") == 0)
742 verify=SSL_VERIFY_PEER;
743 if (--argc < 1) goto bad;
744 verify_depth=atoi(*(++argv));
746 BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
748 else if (strcmp(*argv,"-cert") == 0)
750 if (--argc < 1) goto bad;
751 cert_file= *(++argv);
753 else if (strcmp(*argv,"-CRL") == 0)
755 if (--argc < 1) goto bad;
758 else if (strcmp(*argv,"-crl_download") == 0)
760 else if (strcmp(*argv,"-sess_out") == 0)
762 if (--argc < 1) goto bad;
763 sess_out = *(++argv);
765 else if (strcmp(*argv,"-sess_in") == 0)
767 if (--argc < 1) goto bad;
770 else if (strcmp(*argv,"-certform") == 0)
772 if (--argc < 1) goto bad;
773 cert_format = str2fmt(*(++argv));
775 else if (strcmp(*argv,"-CRLform") == 0)
777 if (--argc < 1) goto bad;
778 crl_format = str2fmt(*(++argv));
780 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
786 else if (strcmp(*argv,"-verify_return_error") == 0)
787 verify_return_error = 1;
788 else if (strcmp(*argv,"-verify_quiet") == 0)
790 else if (strcmp(*argv,"-brief") == 0)
796 else if (args_excert(&argv, &argc, &badarg, bio_err, &exc))
802 else if (args_ssl(&argv, &argc, cctx, &badarg, bio_err, &ssl_args))
808 else if (strcmp(*argv,"-prexit") == 0)
810 else if (strcmp(*argv,"-crlf") == 0)
812 else if (strcmp(*argv,"-quiet") == 0)
817 else if (strcmp(*argv,"-ign_eof") == 0)
819 else if (strcmp(*argv,"-no_ign_eof") == 0)
821 else if (strcmp(*argv,"-pause") == 0)
823 else if (strcmp(*argv,"-debug") == 0)
825 #ifndef OPENSSL_NO_TLSEXT
826 else if (strcmp(*argv,"-tlsextdebug") == 0)
828 else if (strcmp(*argv,"-status") == 0)
832 else if (strcmp(*argv,"-wdebug") == 0)
835 else if (strcmp(*argv,"-msg") == 0)
837 else if (strcmp(*argv,"-msgfile") == 0)
839 if (--argc < 1) goto bad;
840 bio_c_msg = BIO_new_file(*(++argv), "w");
842 #ifndef OPENSSL_NO_SSL_TRACE
843 else if (strcmp(*argv,"-trace") == 0)
846 else if (strcmp(*argv,"-security_debug") == 0)
848 else if (strcmp(*argv,"-security_debug_verbose") == 0)
850 else if (strcmp(*argv,"-showcerts") == 0)
852 else if (strcmp(*argv,"-nbio_test") == 0)
854 else if (strcmp(*argv,"-state") == 0)
856 #ifndef OPENSSL_NO_PSK
857 else if (strcmp(*argv,"-psk_identity") == 0)
859 if (--argc < 1) goto bad;
860 psk_identity=*(++argv);
862 else if (strcmp(*argv,"-psk") == 0)
866 if (--argc < 1) goto bad;
868 for (j = 0; j < strlen(psk_key); j++)
870 if (isxdigit((unsigned char)psk_key[j]))
872 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
877 #ifndef OPENSSL_NO_SRP
878 else if (strcmp(*argv,"-srpuser") == 0)
880 if (--argc < 1) goto bad;
881 srp_arg.srplogin= *(++argv);
882 meth=TLSv1_client_method();
884 else if (strcmp(*argv,"-srppass") == 0)
886 if (--argc < 1) goto bad;
888 meth=TLSv1_client_method();
890 else if (strcmp(*argv,"-srp_strength") == 0)
892 if (--argc < 1) goto bad;
893 srp_arg.strength=atoi(*(++argv));
894 BIO_printf(bio_err,"SRP minimal length for N is %d\n",srp_arg.strength);
895 meth=TLSv1_client_method();
897 else if (strcmp(*argv,"-srp_lateuser") == 0)
900 meth=TLSv1_client_method();
902 else if (strcmp(*argv,"-srp_moregroups") == 0)
905 meth=TLSv1_client_method();
908 #ifndef OPENSSL_NO_SSL3_METHOD
909 else if (strcmp(*argv,"-ssl3") == 0)
910 meth=SSLv3_client_method();
912 #ifndef OPENSSL_NO_TLS1
913 else if (strcmp(*argv,"-tls1_2") == 0)
914 meth=TLSv1_2_client_method();
915 else if (strcmp(*argv,"-tls1_1") == 0)
916 meth=TLSv1_1_client_method();
917 else if (strcmp(*argv,"-tls1") == 0)
918 meth=TLSv1_client_method();
920 #ifndef OPENSSL_NO_DTLS1
921 else if (strcmp(*argv,"-dtls") == 0)
923 meth=DTLS_client_method();
924 socket_type=SOCK_DGRAM;
926 else if (strcmp(*argv,"-dtls1") == 0)
928 meth=DTLSv1_client_method();
929 socket_type=SOCK_DGRAM;
931 else if (strcmp(*argv,"-dtls1_2") == 0)
933 meth=DTLSv1_2_client_method();
934 socket_type=SOCK_DGRAM;
936 else if (strcmp(*argv,"-timeout") == 0)
938 else if (strcmp(*argv,"-mtu") == 0)
940 if (--argc < 1) goto bad;
941 socket_mtu = atol(*(++argv));
944 else if (strcmp(*argv,"-fallback_scsv") == 0)
948 else if (strcmp(*argv,"-keyform") == 0)
950 if (--argc < 1) goto bad;
951 key_format = str2fmt(*(++argv));
953 else if (strcmp(*argv,"-pass") == 0)
955 if (--argc < 1) goto bad;
958 else if (strcmp(*argv,"-cert_chain") == 0)
960 if (--argc < 1) goto bad;
961 chain_file= *(++argv);
963 else if (strcmp(*argv,"-key") == 0)
965 if (--argc < 1) goto bad;
968 else if (strcmp(*argv,"-reconnect") == 0)
972 else if (strcmp(*argv,"-CApath") == 0)
974 if (--argc < 1) goto bad;
977 else if (strcmp(*argv,"-chainCApath") == 0)
979 if (--argc < 1) goto bad;
982 else if (strcmp(*argv,"-verifyCApath") == 0)
984 if (--argc < 1) goto bad;
985 vfyCApath= *(++argv);
987 else if (strcmp(*argv,"-build_chain") == 0)
989 else if (strcmp(*argv,"-CAfile") == 0)
991 if (--argc < 1) goto bad;
994 else if (strcmp(*argv,"-chainCAfile") == 0)
996 if (--argc < 1) goto bad;
999 else if (strcmp(*argv,"-verifyCAfile") == 0)
1001 if (--argc < 1) goto bad;
1002 vfyCAfile= *(++argv);
1004 #ifndef OPENSSL_NO_TLSEXT
1005 # ifndef OPENSSL_NO_NEXTPROTONEG
1006 else if (strcmp(*argv,"-nextprotoneg") == 0)
1008 if (--argc < 1) goto bad;
1009 next_proto_neg_in = *(++argv);
1012 else if (strcmp(*argv,"-alpn") == 0)
1014 if (--argc < 1) goto bad;
1015 alpn_in = *(++argv);
1017 else if (strcmp(*argv,"-serverinfo") == 0)
1023 if (--argc < 1) goto bad;
1025 serverinfo_types_count = 0;
1027 for (i = 0; i <= len; ++i)
1029 if (i == len || c[i] == ',')
1031 serverinfo_types[serverinfo_types_count]
1033 serverinfo_types_count++;
1036 if (serverinfo_types_count == MAX_SI_TYPES)
1042 else if (strcmp(*argv,"-nbio") == 0)
1045 else if (strcmp(*argv,"-starttls") == 0)
1047 if (--argc < 1) goto bad;
1049 if (strcmp(*argv,"smtp") == 0)
1050 starttls_proto = PROTO_SMTP;
1051 else if (strcmp(*argv,"pop3") == 0)
1052 starttls_proto = PROTO_POP3;
1053 else if (strcmp(*argv,"imap") == 0)
1054 starttls_proto = PROTO_IMAP;
1055 else if (strcmp(*argv,"ftp") == 0)
1056 starttls_proto = PROTO_FTP;
1057 else if (strcmp(*argv, "xmpp") == 0)
1058 starttls_proto = PROTO_XMPP;
1062 #ifndef OPENSSL_NO_ENGINE
1063 else if (strcmp(*argv,"-engine") == 0)
1065 if (--argc < 1) goto bad;
1066 engine_id = *(++argv);
1068 else if (strcmp(*argv,"-ssl_client_engine") == 0)
1070 if (--argc < 1) goto bad;
1071 ssl_client_engine_id = *(++argv);
1074 else if (strcmp(*argv,"-rand") == 0)
1076 if (--argc < 1) goto bad;
1079 #ifndef OPENSSL_NO_TLSEXT
1080 else if (strcmp(*argv,"-servername") == 0)
1082 if (--argc < 1) goto bad;
1083 servername= *(++argv);
1084 /* meth=TLSv1_client_method(); */
1087 #ifndef OPENSSL_NO_JPAKE
1088 else if (strcmp(*argv,"-jpake") == 0)
1090 if (--argc < 1) goto bad;
1091 jpake_secret = *++argv;
1094 #ifndef OPENSSL_NO_SRTP
1095 else if (strcmp(*argv,"-use_srtp") == 0)
1097 if (--argc < 1) goto bad;
1098 srtp_profiles = *(++argv);
1101 else if (strcmp(*argv,"-keymatexport") == 0)
1103 if (--argc < 1) goto bad;
1104 keymatexportlabel= *(++argv);
1106 else if (strcmp(*argv,"-keymatexportlen") == 0)
1108 if (--argc < 1) goto bad;
1109 keymatexportlen=atoi(*(++argv));
1110 if (keymatexportlen == 0) goto bad;
1114 BIO_printf(bio_err,"unknown option %s\n",*argv);
1128 if (unix_path && (socket_type != SOCK_STREAM))
1130 BIO_printf(bio_err, "Can't use unix sockets and datagrams together\n");
1133 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1139 "Can't use JPAKE and PSK together\n");
1142 psk_identity = "JPAKE";
1146 OpenSSL_add_ssl_algorithms();
1147 SSL_load_error_strings();
1149 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
1150 next_proto.status = -1;
1151 if (next_proto_neg_in)
1153 next_proto.data = next_protos_parse(&next_proto.len, next_proto_neg_in);
1154 if (next_proto.data == NULL)
1156 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n");
1161 next_proto.data = NULL;
1164 #ifndef OPENSSL_NO_ENGINE
1165 e = setup_engine(bio_err, engine_id, 1);
1166 if (ssl_client_engine_id)
1168 ssl_client_engine = ENGINE_by_id(ssl_client_engine_id);
1169 if (!ssl_client_engine)
1172 "Error getting client auth engine\n");
1178 if (!app_passwd(bio_err, passarg, NULL, &pass, NULL))
1180 BIO_printf(bio_err, "Error getting password\n");
1184 if (key_file == NULL)
1185 key_file = cert_file;
1192 key = load_key(bio_err, key_file, key_format, 0, pass, e,
1193 "client certificate private key file");
1196 ERR_print_errors(bio_err);
1205 cert = load_cert(bio_err,cert_file,cert_format,
1206 NULL, e, "client certificate file");
1210 ERR_print_errors(bio_err);
1217 chain = load_certs(bio_err, chain_file,FORMAT_PEM,
1218 NULL, e, "client certificate chain");
1226 crl = load_crl(crl_file, crl_format);
1229 BIO_puts(bio_err, "Error loading CRL\n");
1230 ERR_print_errors(bio_err);
1233 crls = sk_X509_CRL_new_null();
1234 if (!crls || !sk_X509_CRL_push(crls, crl))
1236 BIO_puts(bio_err, "Error adding CRL\n");
1237 ERR_print_errors(bio_err);
1243 if (!load_excert(&exc, bio_err))
1246 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1249 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
1252 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
1253 app_RAND_load_files(inrand));
1255 if (bio_c_out == NULL)
1257 if (c_quiet && !c_debug)
1259 bio_c_out=BIO_new(BIO_s_null());
1260 if (c_msg && !bio_c_msg)
1261 bio_c_msg=BIO_new_fp(stdout,BIO_NOCLOSE);
1265 if (bio_c_out == NULL)
1266 bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE);
1270 #ifndef OPENSSL_NO_SRP
1271 if(!app_passwd(bio_err, srppass, NULL, &srp_arg.srppassin, NULL))
1273 BIO_printf(bio_err, "Error getting password\n");
1278 ctx=SSL_CTX_new(meth);
1281 ERR_print_errors(bio_err);
1286 ssl_ctx_security_debug(ctx, bio_err, sdebug);
1289 SSL_CTX_set1_param(ctx, vpm);
1291 if (!args_ssl_call(ctx, bio_err, cctx, ssl_args, 1, no_jpake))
1293 ERR_print_errors(bio_err);
1297 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1298 crls, crl_download))
1300 BIO_printf(bio_err, "Error loading store locations\n");
1301 ERR_print_errors(bio_err);
1305 #ifndef OPENSSL_NO_ENGINE
1306 if (ssl_client_engine)
1308 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine))
1310 BIO_puts(bio_err, "Error setting client auth engine\n");
1311 ERR_print_errors(bio_err);
1312 ENGINE_free(ssl_client_engine);
1315 ENGINE_free(ssl_client_engine);
1319 #ifndef OPENSSL_NO_PSK
1320 #ifdef OPENSSL_NO_JPAKE
1321 if (psk_key != NULL)
1323 if (psk_key != NULL || jpake_secret)
1327 BIO_printf(bio_c_out, "PSK key given or JPAKE in use, setting client callback\n");
1328 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
1331 #ifndef OPENSSL_NO_SRTP
1332 if (srtp_profiles != NULL)
1333 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1335 if (exc) ssl_ctx_set_excert(ctx, exc);
1336 /* DTLS: partial reads end up discarding unread UDP bytes :-(
1337 * Setting read ahead solves this problem.
1339 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1341 #if !defined(OPENSSL_NO_TLSEXT)
1342 # if !defined(OPENSSL_NO_NEXTPROTONEG)
1343 if (next_proto.data)
1344 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
1348 unsigned short alpn_len;
1349 unsigned char *alpn = next_protos_parse(&alpn_len, alpn_in);
1353 BIO_printf(bio_err, "Error parsing -alpn argument\n");
1356 SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len);
1360 #ifndef OPENSSL_NO_TLSEXT
1361 for (i = 0; i < serverinfo_types_count; i++)
1363 SSL_CTX_add_client_custom_ext(ctx,
1364 serverinfo_types[i],
1366 serverinfo_cli_parse_cb,
1371 if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1374 SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER"));
1377 SSL_CTX_set_verify(ctx,verify,verify_callback);
1379 if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
1380 (!SSL_CTX_set_default_verify_paths(ctx)))
1382 /* BIO_printf(bio_err,"error setting default verify locations\n"); */
1383 ERR_print_errors(bio_err);
1387 ssl_ctx_add_crls(ctx, crls, crl_download);
1389 if (!set_cert_key_stuff(ctx,cert,key,chain,build_chain))
1392 #ifndef OPENSSL_NO_TLSEXT
1393 if (servername != NULL)
1395 tlsextcbp.biodebug = bio_err;
1396 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1397 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1399 #ifndef OPENSSL_NO_SRP
1400 if (srp_arg.srplogin)
1402 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin))
1404 BIO_printf(bio_err,"Unable to set SRP username\n");
1407 srp_arg.msg = c_msg;
1408 srp_arg.debug = c_debug ;
1409 SSL_CTX_set_srp_cb_arg(ctx,&srp_arg);
1410 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb);
1411 SSL_CTX_set_srp_strength(ctx, srp_arg.strength);
1412 if (c_msg || c_debug || srp_arg.amp == 0)
1413 SSL_CTX_set_srp_verify_param_callback(ctx, ssl_srp_verify_param_cb);
1423 BIO *stmp = BIO_new_file(sess_in, "r");
1426 BIO_printf(bio_err, "Can't open session file %s\n",
1428 ERR_print_errors(bio_err);
1431 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1435 BIO_printf(bio_err, "Can't open session file %s\n",
1437 ERR_print_errors(bio_err);
1440 SSL_set_session(con, sess);
1441 SSL_SESSION_free(sess);
1445 SSL_set_mode(con, SSL_MODE_SEND_FALLBACK_SCSV);
1447 #ifndef OPENSSL_NO_TLSEXT
1448 if (servername != NULL)
1450 if (!SSL_set_tlsext_host_name(con,servername))
1452 BIO_printf(bio_err,"Unable to set TLS servername extension.\n");
1453 ERR_print_errors(bio_err);
1458 #ifndef OPENSSL_NO_KRB5
1459 if (con && (kctx = kssl_ctx_new()) != NULL)
1461 SSL_set0_kssl_ctx(con, kctx);
1462 kssl_ctx_setstring(kctx, KSSL_SERVER, host);
1464 #endif /* OPENSSL_NO_KRB5 */
1465 /* SSL_set_cipher_list(con,"RC4-MD5"); */
1467 #ifdef TLSEXT_TYPE_opaque_prf_input
1468 SSL_set_tlsext_opaque_prf_input(con, "Test client", 11);
1474 if (init_client(&s,host,port,socket_type) == 0)
1476 if ((!unix_path && (init_client(&s,host,port,socket_type) == 0)) ||
1477 (unix_path && (init_client_unix(&s,unix_path) == 0)))
1480 BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error());
1484 BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s);
1490 BIO_printf(bio_c_out,"turning on non blocking io\n");
1491 if (BIO_socket_ioctl(s,FIONBIO,&l) < 0)
1493 ERR_print_errors(bio_err);
1498 if (c_Pause & 0x01) SSL_set_debug(con, 1);
1500 if (socket_type == SOCK_DGRAM)
1503 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
1504 if (getsockname(s, &peer, (void *)&peerlen) < 0)
1506 BIO_printf(bio_err, "getsockname:errno=%d\n",
1507 get_last_socket_error());
1512 (void)BIO_ctrl_set_connected(sbio, 1, &peer);
1514 if (enable_timeouts)
1517 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1518 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1521 timeout.tv_usec = DGRAM_SND_TIMEOUT;
1522 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1527 if(socket_mtu < DTLS_get_link_min_mtu(con))
1529 BIO_printf(bio_err,"MTU too small. Must be at least %ld\n",
1530 DTLS_get_link_min_mtu(con));
1534 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1535 if(!DTLS_set_link_mtu(con, socket_mtu))
1537 BIO_printf(bio_err, "Failed to set MTU\n");
1543 /* want to do MTU discovery */
1544 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1547 sbio=BIO_new_socket(s,BIO_NOCLOSE);
1553 test=BIO_new(BIO_f_nbio_test());
1554 sbio=BIO_push(test,sbio);
1559 SSL_set_debug(con, 1);
1560 BIO_set_callback(sbio,bio_dump_callback);
1561 BIO_set_callback_arg(sbio,(char *)bio_c_out);
1565 #ifndef OPENSSL_NO_SSL_TRACE
1567 SSL_set_msg_callback(con, SSL_trace);
1570 SSL_set_msg_callback(con, msg_cb);
1571 SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out);
1573 #ifndef OPENSSL_NO_TLSEXT
1576 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1577 SSL_set_tlsext_debug_arg(con, bio_c_out);
1581 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
1582 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
1583 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
1586 STACK_OF(OCSP_RESPID) *ids = sk_OCSP_RESPID_new_null();
1587 OCSP_RESPID *id = OCSP_RESPID_new();
1588 id->value.byKey = ASN1_OCTET_STRING_new();
1589 id->type = V_OCSP_RESPID_KEY;
1590 ASN1_STRING_set(id->value.byKey, "Hello World", -1);
1591 sk_OCSP_RESPID_push(ids, id);
1592 SSL_set_tlsext_status_ids(con, ids);
1597 #ifndef OPENSSL_NO_JPAKE
1599 jpake_client_auth(bio_c_out, sbio, jpake_secret);
1602 SSL_set_bio(con,sbio,sbio);
1603 SSL_set_connect_state(con);
1605 /* ok, lets connect */
1606 width=SSL_get_fd(con)+1;
1619 /* This is an ugly hack that does a lot of assumptions */
1620 /* We do have to handle multi-line responses which may come
1621 in a single packet or not. We therefore have to use
1622 BIO_gets() which does need a buffering BIO. So during
1623 the initial chitchat we do push a buffering BIO into the
1624 chain that is removed again later on to not disturb the
1625 rest of the s_client operation. */
1626 if (starttls_proto == PROTO_SMTP)
1629 BIO *fbio = BIO_new(BIO_f_buffer());
1630 BIO_push(fbio, sbio);
1631 /* wait for multi-line response to end from SMTP */
1634 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1636 while (mbuf_len>3 && mbuf[3]=='-');
1637 /* STARTTLS command requires EHLO... */
1638 BIO_printf(fbio,"EHLO openssl.client.net\r\n");
1639 (void)BIO_flush(fbio);
1640 /* wait for multi-line response to end EHLO SMTP response */
1643 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1644 if (strstr(mbuf,"STARTTLS"))
1647 while (mbuf_len>3 && mbuf[3]=='-');
1648 (void)BIO_flush(fbio);
1653 "didn't found starttls in server response,"
1654 " try anyway...\n");
1655 BIO_printf(sbio,"STARTTLS\r\n");
1656 BIO_read(sbio,sbuf,BUFSIZZ);
1658 else if (starttls_proto == PROTO_POP3)
1660 BIO_read(sbio,mbuf,BUFSIZZ);
1661 BIO_printf(sbio,"STLS\r\n");
1662 BIO_read(sbio,sbuf,BUFSIZZ);
1664 else if (starttls_proto == PROTO_IMAP)
1667 BIO *fbio = BIO_new(BIO_f_buffer());
1668 BIO_push(fbio, sbio);
1669 BIO_gets(fbio,mbuf,BUFSIZZ);
1670 /* STARTTLS command requires CAPABILITY... */
1671 BIO_printf(fbio,". CAPABILITY\r\n");
1672 (void)BIO_flush(fbio);
1673 /* wait for multi-line CAPABILITY response */
1676 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1677 if (strstr(mbuf,"STARTTLS"))
1680 while (mbuf_len>3 && mbuf[0]!='.');
1681 (void)BIO_flush(fbio);
1686 "didn't found STARTTLS in server response,"
1687 " try anyway...\n");
1688 BIO_printf(sbio,". STARTTLS\r\n");
1689 BIO_read(sbio,sbuf,BUFSIZZ);
1691 else if (starttls_proto == PROTO_FTP)
1693 BIO *fbio = BIO_new(BIO_f_buffer());
1694 BIO_push(fbio, sbio);
1695 /* wait for multi-line response to end from FTP */
1698 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1700 while (mbuf_len>3 && mbuf[3]=='-');
1701 (void)BIO_flush(fbio);
1704 BIO_printf(sbio,"AUTH TLS\r\n");
1705 BIO_read(sbio,sbuf,BUFSIZZ);
1707 if (starttls_proto == PROTO_XMPP)
1710 BIO_printf(sbio,"<stream:stream "
1711 "xmlns:stream='http://etherx.jabber.org/streams' "
1712 "xmlns='jabber:client' to='%s' version='1.0'>", xmpphost ?
1714 seen = BIO_read(sbio,mbuf,BUFSIZZ);
1716 while (!strstr(mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'") &&
1717 !strstr(mbuf, "<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\""))
1719 seen = BIO_read(sbio,mbuf,BUFSIZZ);
1726 BIO_printf(sbio, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
1727 seen = BIO_read(sbio,sbuf,BUFSIZZ);
1729 if (!strstr(sbuf, "<proceed"))
1739 if ((SSL_version(con) == DTLS1_VERSION) &&
1740 DTLSv1_get_timeout(con, &timeout))
1741 timeoutp = &timeout;
1745 if (SSL_in_init(con) && !SSL_total_renegotiations(con))
1756 #if 0 /* This test doesn't really work as intended (needs to be fixed) */
1757 #ifndef OPENSSL_NO_TLSEXT
1758 if (servername != NULL && !SSL_session_reused(con))
1760 BIO_printf(bio_c_out,"Server did %sacknowledge servername extension.\n",tlsextcbp.ack?"":"not ");
1766 BIO *stmp = BIO_new_file(sess_out, "w");
1769 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));
1773 BIO_printf(bio_err, "Error writing session file %s\n", sess_out);
1778 "CONNECTION ESTABLISHED\n");
1779 print_ssl_summary(bio_err, con);
1782 print_stuff(bio_c_out,con,full_log);
1783 if (full_log > 0) full_log--;
1787 BIO_printf(bio_err,"%s",mbuf);
1788 /* We don't need to know any more */
1789 starttls_proto = PROTO_OFF;
1795 BIO_printf(bio_c_out,"drop connection and then reconnect\n");
1797 SSL_set_connect_state(con);
1798 SHUTDOWN(SSL_get_fd(con));
1804 ssl_pending = read_ssl && SSL_pending(con);
1808 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE)
1811 if (read_tty) openssl_fdset(fileno(stdin),&readfds);
1812 if (write_tty) openssl_fdset(fileno(stdout),&writefds);
1815 openssl_fdset(SSL_get_fd(con),&readfds);
1817 openssl_fdset(SSL_get_fd(con),&writefds);
1819 if(!tty_on || !write_tty) {
1821 openssl_fdset(SSL_get_fd(con),&readfds);
1823 openssl_fdset(SSL_get_fd(con),&writefds);
1826 /*- printf("mode tty(%d %d%d) ssl(%d%d)\n",
1827 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
1829 /* Note: under VMS with SOCKETSHR the second parameter
1830 * is currently of type (int *) whereas under other
1831 * systems it is (void *) if you don't have a cast it
1832 * will choke the compiler: if you do have a cast then
1833 * you can either go for (int *) or (void *).
1835 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1836 /* Under Windows/DOS we make the assumption that we can
1837 * always write to the tty: therefore if we need to
1838 * write to the tty we just fall through. Otherwise
1839 * we timeout the select every second and see if there
1840 * are any keypresses. Note: this is a hack, in a proper
1841 * Windows application we wouldn't do this.
1848 i=select(width,(void *)&readfds,(void *)&writefds,
1850 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1851 if(!i && (!_kbhit() || !read_tty) ) continue;
1853 if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue;
1855 } else i=select(width,(void *)&readfds,(void *)&writefds,
1858 #elif defined(OPENSSL_SYS_NETWARE)
1863 i=select(width,(void *)&readfds,(void *)&writefds,
1865 } else i=select(width,(void *)&readfds,(void *)&writefds,
1869 i=select(width,(void *)&readfds,(void *)&writefds,
1874 BIO_printf(bio_err,"bad select %d\n",
1875 get_last_socket_error());
1881 if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
1883 BIO_printf(bio_err,"TIMEOUT occurred\n");
1886 if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds))
1888 k=SSL_write(con,&(cbuf[cbuf_off]),
1889 (unsigned int)cbuf_len);
1890 switch (SSL_get_error(con,k))
1892 case SSL_ERROR_NONE:
1895 if (k <= 0) goto end;
1896 /* we have done a write(con,NULL,0); */
1902 else /* if (cbuf_len > 0) */
1908 case SSL_ERROR_WANT_WRITE:
1909 BIO_printf(bio_c_out,"write W BLOCK\n");
1913 case SSL_ERROR_WANT_READ:
1914 BIO_printf(bio_c_out,"write R BLOCK\n");
1919 case SSL_ERROR_WANT_X509_LOOKUP:
1920 BIO_printf(bio_c_out,"write X BLOCK\n");
1922 case SSL_ERROR_ZERO_RETURN:
1925 BIO_printf(bio_c_out,"shutdown\n");
1936 case SSL_ERROR_SYSCALL:
1937 if ((k != 0) || (cbuf_len != 0))
1939 BIO_printf(bio_err,"write:errno=%d\n",
1940 get_last_socket_error());
1950 ERR_print_errors(bio_err);
1954 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
1955 /* Assume Windows/DOS/BeOS can always write */
1956 else if (!ssl_pending && write_tty)
1958 else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds))
1961 #ifdef CHARSET_EBCDIC
1962 ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len);
1964 i=raw_write_stdout(&(sbuf[sbuf_off]),sbuf_len);
1968 BIO_printf(bio_c_out,"DONE\n");
1982 else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds))
1985 { static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } }
1988 k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ );
1990 /* Demo for pending and peek :-) */
1991 k=SSL_read(con,sbuf,16);
1993 printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240));
1997 switch (SSL_get_error(con,k))
1999 case SSL_ERROR_NONE:
2008 case SSL_ERROR_WANT_WRITE:
2009 BIO_printf(bio_c_out,"read W BLOCK\n");
2013 case SSL_ERROR_WANT_READ:
2014 BIO_printf(bio_c_out,"read R BLOCK\n");
2017 if ((read_tty == 0) && (write_ssl == 0))
2020 case SSL_ERROR_WANT_X509_LOOKUP:
2021 BIO_printf(bio_c_out,"read X BLOCK\n");
2023 case SSL_ERROR_SYSCALL:
2024 ret=get_last_socket_error();
2026 BIO_puts(bio_err, "CONNECTION CLOSED BY SERVER\n");
2028 BIO_printf(bio_err,"read:errno=%d\n",ret);
2030 case SSL_ERROR_ZERO_RETURN:
2031 BIO_printf(bio_c_out,"closed\n");
2035 ERR_print_errors(bio_err);
2041 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2042 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
2045 else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
2047 #elif defined (OPENSSL_SYS_NETWARE)
2050 else if (FD_ISSET(fileno(stdin),&readfds))
2057 i=raw_read_stdin(cbuf,BUFSIZZ/2);
2059 /* both loops are skipped when i <= 0 */
2060 for (j = 0; j < i; j++)
2061 if (cbuf[j] == '\n')
2063 for (j = i-1; j >= 0; j--)
2065 cbuf[j+lf_num] = cbuf[j];
2066 if (cbuf[j] == '\n')
2070 cbuf[j+lf_num] = '\r';
2073 assert(lf_num == 0);
2076 i=raw_read_stdin(cbuf,BUFSIZZ);
2078 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q')))
2080 BIO_printf(bio_err,"DONE\n");
2085 if ((!c_ign_eof) && (cbuf[0] == 'R'))
2087 BIO_printf(bio_err,"RENEGOTIATING\n");
2088 SSL_renegotiate(con);
2091 #ifndef OPENSSL_NO_HEARTBEATS
2092 else if ((!c_ign_eof) && (cbuf[0] == 'B'))
2094 BIO_printf(bio_err,"HEARTBEATING\n");
2103 #ifdef CHARSET_EBCDIC
2104 ebcdic2ascii(cbuf, cbuf, i);
2116 print_stuff(bio_c_out,con,full_log);
2118 SHUTDOWN(SSL_get_fd(con));
2123 print_stuff(bio_c_out,con,1);
2126 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2127 if (next_proto.data)
2128 OPENSSL_free(next_proto.data);
2130 if (ctx != NULL) SSL_CTX_free(ctx);
2134 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2138 sk_X509_pop_free(chain, X509_free);
2142 X509_VERIFY_PARAM_free(vpm);
2143 ssl_excert_free(exc);
2145 sk_OPENSSL_STRING_free(ssl_args);
2147 SSL_CONF_CTX_free(cctx);
2148 #ifndef OPENSSL_NO_JPAKE
2149 if (jpake_secret && psk_key)
2150 OPENSSL_free(psk_key);
2152 if (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); }
2153 if (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); }
2154 if (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); }
2155 if (bio_c_out != NULL)
2157 BIO_free(bio_c_out);
2160 if (bio_c_msg != NULL)
2162 BIO_free(bio_c_msg);
2170 static void print_stuff(BIO *bio, SSL *s, int full)
2175 STACK_OF(X509_NAME) *sk2;
2176 const SSL_CIPHER *c;
2179 #ifndef OPENSSL_NO_COMP
2180 const COMP_METHOD *comp, *expansion;
2182 unsigned char *exportedkeymat;
2186 int got_a_chain = 0;
2188 sk=SSL_get_peer_cert_chain(s);
2191 got_a_chain = 1; /* we don't have it for SSL2 (yet) */
2193 BIO_printf(bio,"---\nCertificate chain\n");
2194 for (i=0; i<sk_X509_num(sk); i++)
2196 X509_NAME_oneline(X509_get_subject_name(
2197 sk_X509_value(sk,i)),buf,sizeof buf);
2198 BIO_printf(bio,"%2d s:%s\n",i,buf);
2199 X509_NAME_oneline(X509_get_issuer_name(
2200 sk_X509_value(sk,i)),buf,sizeof buf);
2201 BIO_printf(bio," i:%s\n",buf);
2203 PEM_write_bio_X509(bio,sk_X509_value(sk,i));
2207 BIO_printf(bio,"---\n");
2208 peer=SSL_get_peer_certificate(s);
2211 BIO_printf(bio,"Server certificate\n");
2213 /* Redundant if we showed the whole chain */
2214 if (!(c_showcerts && got_a_chain))
2215 PEM_write_bio_X509(bio,peer);
2216 X509_NAME_oneline(X509_get_subject_name(peer),
2218 BIO_printf(bio,"subject=%s\n",buf);
2219 X509_NAME_oneline(X509_get_issuer_name(peer),
2221 BIO_printf(bio,"issuer=%s\n",buf);
2224 BIO_printf(bio,"no peer certificate available\n");
2226 sk2=SSL_get_client_CA_list(s);
2227 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0))
2229 BIO_printf(bio,"---\nAcceptable client certificate CA names\n");
2230 for (i=0; i<sk_X509_NAME_num(sk2); i++)
2232 xn=sk_X509_NAME_value(sk2,i);
2233 X509_NAME_oneline(xn,buf,sizeof(buf));
2234 BIO_write(bio,buf,strlen(buf));
2235 BIO_write(bio,"\n",1);
2240 BIO_printf(bio,"---\nNo client certificate CA names sent\n");
2243 ssl_print_sigalgs(bio, s);
2244 ssl_print_tmp_key(bio, s);
2246 BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n",
2247 BIO_number_read(SSL_get_rbio(s)),
2248 BIO_number_written(SSL_get_wbio(s)));
2250 BIO_printf(bio,(SSL_cache_hit(s)?"---\nReused, ":"---\nNew, "));
2251 c=SSL_get_current_cipher(s);
2252 BIO_printf(bio,"%s, Cipher is %s\n",
2253 SSL_CIPHER_get_version(c),
2254 SSL_CIPHER_get_name(c));
2257 pktmp = X509_get_pubkey(peer);
2258 BIO_printf(bio,"Server public key is %d bit\n",
2259 EVP_PKEY_bits(pktmp));
2260 EVP_PKEY_free(pktmp);
2262 BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
2263 SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
2264 #ifndef OPENSSL_NO_COMP
2265 comp=SSL_get_current_compression(s);
2266 expansion=SSL_get_current_expansion(s);
2267 BIO_printf(bio,"Compression: %s\n",
2268 comp ? SSL_COMP_get_name(comp) : "NONE");
2269 BIO_printf(bio,"Expansion: %s\n",
2270 expansion ? SSL_COMP_get_name(expansion) : "NONE");
2275 /* Print out local port of connection: useful for debugging */
2277 struct sockaddr_in ladd;
2278 socklen_t ladd_size = sizeof(ladd);
2279 sock = SSL_get_fd(s);
2280 getsockname(sock, (struct sockaddr *)&ladd, &ladd_size);
2281 BIO_printf(bio_c_out, "LOCAL PORT is %u\n", ntohs(ladd.sin_port));
2285 #if !defined(OPENSSL_NO_TLSEXT)
2286 # if !defined(OPENSSL_NO_NEXTPROTONEG)
2287 if (next_proto.status != -1) {
2288 const unsigned char *proto;
2289 unsigned int proto_len;
2290 SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
2291 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
2292 BIO_write(bio, proto, proto_len);
2293 BIO_write(bio, "\n", 1);
2297 const unsigned char *proto;
2298 unsigned int proto_len;
2299 SSL_get0_alpn_selected(s, &proto, &proto_len);
2302 BIO_printf(bio, "ALPN protocol: ");
2303 BIO_write(bio, proto, proto_len);
2304 BIO_write(bio, "\n", 1);
2307 BIO_printf(bio, "No ALPN negotiated\n");
2311 #ifndef OPENSSL_NO_SRTP
2313 SRTP_PROTECTION_PROFILE *srtp_profile=SSL_get_selected_srtp_profile(s);
2316 BIO_printf(bio,"SRTP Extension negotiated, profile=%s\n",
2317 srtp_profile->name);
2321 SSL_SESSION_print(bio,SSL_get_session(s));
2322 if (keymatexportlabel != NULL)
2324 BIO_printf(bio, "Keying material exporter:\n");
2325 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel);
2326 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen);
2327 exportedkeymat = OPENSSL_malloc(keymatexportlen);
2328 if (exportedkeymat != NULL)
2330 if (!SSL_export_keying_material(s, exportedkeymat,
2333 strlen(keymatexportlabel),
2336 BIO_printf(bio, " Error\n");
2340 BIO_printf(bio, " Keying material: ");
2341 for (i=0; i<keymatexportlen; i++)
2342 BIO_printf(bio, "%02X",
2344 BIO_printf(bio, "\n");
2346 OPENSSL_free(exportedkeymat);
2349 BIO_printf(bio,"---\n");
2352 /* flush, or debugging output gets mixed with http response */
2353 (void)BIO_flush(bio);
2356 #ifndef OPENSSL_NO_TLSEXT
2358 static int ocsp_resp_cb(SSL *s, void *arg)
2360 const unsigned char *p;
2363 len = SSL_get_tlsext_status_ocsp_resp(s, &p);
2364 BIO_puts(arg, "OCSP response: ");
2367 BIO_puts(arg, "no response sent\n");
2370 rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
2373 BIO_puts(arg, "response parse error\n");
2374 BIO_dump_indent(arg, (char *)p, len, 4);
2377 BIO_puts(arg, "\n======================================\n");
2378 OCSP_RESPONSE_print(arg, rsp, 0);
2379 BIO_puts(arg, "======================================\n");
2380 OCSP_RESPONSE_free(rsp);