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;
208 static int c_showcerts=0;
210 static char *keymatexportlabel=NULL;
211 static int keymatexportlen=20;
213 static void sc_usage(void);
214 static void print_stuff(BIO *berr,SSL *con,int full);
215 #ifndef OPENSSL_NO_TLSEXT
216 static int ocsp_resp_cb(SSL *s, void *arg);
218 static BIO *bio_c_out=NULL;
219 static BIO *bio_c_msg=NULL;
220 static int c_quiet=0;
221 static int c_ign_eof=0;
222 static int c_brief=0;
224 #ifndef OPENSSL_NO_PSK
225 /* Default PSK identity and key */
226 static char *psk_identity="Client_identity";
227 /*char *psk_key=NULL; by default PSK is not used */
229 static unsigned int psk_client_cb(SSL *ssl, const char *hint, char *identity,
230 unsigned int max_identity_len, unsigned char *psk,
231 unsigned int max_psk_len)
233 unsigned int psk_len = 0;
238 BIO_printf(bio_c_out, "psk_client_cb\n");
241 /* no ServerKeyExchange message*/
243 BIO_printf(bio_c_out,"NULL received PSK identity hint, continuing anyway\n");
246 BIO_printf(bio_c_out, "Received PSK identity hint '%s'\n", hint);
248 /* lookup PSK identity and PSK key based on the given identity hint here */
249 ret = BIO_snprintf(identity, max_identity_len, "%s", psk_identity);
250 if (ret < 0 || (unsigned int)ret > max_identity_len)
253 BIO_printf(bio_c_out, "created identity '%s' len=%d\n", identity, ret);
254 ret=BN_hex2bn(&bn, psk_key);
257 BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key);
263 if ((unsigned int)BN_num_bytes(bn) > max_psk_len)
265 BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n",
266 max_psk_len, BN_num_bytes(bn));
271 psk_len=BN_bn2bin(bn, psk);
277 BIO_printf(bio_c_out, "created PSK len=%d\n", psk_len);
282 BIO_printf(bio_err, "Error in PSK client callback\n");
287 static void sc_usage(void)
289 BIO_printf(bio_err,"usage: s_client args\n");
290 BIO_printf(bio_err,"\n");
291 BIO_printf(bio_err," -host host - use -connect instead\n");
292 BIO_printf(bio_err," -port port - use -connect instead\n");
293 BIO_printf(bio_err," -connect host:port - connect over TCP/IP (default is %s:%s)\n",SSL_HOST_NAME,PORT_STR);
294 BIO_printf(bio_err," -unix path - connect over unix domain sockets\n");
295 BIO_printf(bio_err," -verify arg - turn on peer certificate verification\n");
296 BIO_printf(bio_err," -cert arg - certificate file to use, PEM format assumed\n");
297 BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
298 BIO_printf(bio_err," -key arg - Private key file to use, in cert file if\n");
299 BIO_printf(bio_err," not specified but cert file is.\n");
300 BIO_printf(bio_err," -keyform arg - key format (PEM or DER) PEM default\n");
301 BIO_printf(bio_err," -pass arg - private key file pass phrase source\n");
302 BIO_printf(bio_err," -CApath arg - PEM format directory of CA's\n");
303 BIO_printf(bio_err," -CAfile arg - PEM format file of CA's\n");
304 BIO_printf(bio_err," -trusted_first - Use local CA's first when building trust chain\n");
305 BIO_printf(bio_err," -reconnect - Drop and re-make the connection with the same Session-ID\n");
306 BIO_printf(bio_err," -pause - sleep(1) after each read(2) and write(2) system call\n");
307 BIO_printf(bio_err," -showcerts - show all certificates in the chain\n");
308 BIO_printf(bio_err," -debug - extra output\n");
310 BIO_printf(bio_err," -wdebug - WATT-32 tcp debugging\n");
312 BIO_printf(bio_err," -msg - Show protocol messages\n");
313 BIO_printf(bio_err," -nbio_test - more ssl protocol testing\n");
314 BIO_printf(bio_err," -state - print the 'ssl' states\n");
316 BIO_printf(bio_err," -nbio - Run with non-blocking IO\n");
318 BIO_printf(bio_err," -crlf - convert LF from terminal into CRLF\n");
319 BIO_printf(bio_err," -quiet - no s_client output\n");
320 BIO_printf(bio_err," -ign_eof - ignore input eof (default when -quiet)\n");
321 BIO_printf(bio_err," -no_ign_eof - don't ignore input eof\n");
322 #ifndef OPENSSL_NO_PSK
323 BIO_printf(bio_err," -psk_identity arg - PSK identity\n");
324 BIO_printf(bio_err," -psk arg - PSK in hex (without 0x)\n");
325 # ifndef OPENSSL_NO_JPAKE
326 BIO_printf(bio_err," -jpake arg - JPAKE secret to use\n");
329 #ifndef OPENSSL_NO_SRP
330 BIO_printf(bio_err," -srpuser user - SRP authentification for 'user'\n");
331 BIO_printf(bio_err," -srppass arg - password for 'user'\n");
332 BIO_printf(bio_err," -srp_lateuser - SRP username into second ClientHello message\n");
333 BIO_printf(bio_err," -srp_moregroups - Tolerate other than the known g N values.\n");
334 BIO_printf(bio_err," -srp_strength int - minimal mength in bits for N (default %d).\n",SRP_MINIMAL_N);
336 BIO_printf(bio_err," -ssl2 - just use SSLv2\n");
337 BIO_printf(bio_err," -ssl3 - just use SSLv3\n");
338 BIO_printf(bio_err," -tls1_2 - just use TLSv1.2\n");
339 BIO_printf(bio_err," -tls1_1 - just use TLSv1.1\n");
340 BIO_printf(bio_err," -tls1 - just use TLSv1\n");
341 BIO_printf(bio_err," -dtls1 - just use DTLSv1\n");
342 BIO_printf(bio_err," -mtu - set the link layer MTU\n");
343 BIO_printf(bio_err," -no_tls1_2/-no_tls1_1/-no_tls1/-no_ssl3/-no_ssl2 - turn off that protocol\n");
344 BIO_printf(bio_err," -bugs - Switch on all SSL implementation bug workarounds\n");
345 BIO_printf(bio_err," -serverpref - Use server's cipher preferences (only SSLv2)\n");
346 BIO_printf(bio_err," -cipher - preferred cipher to use, use the 'openssl ciphers'\n");
347 BIO_printf(bio_err," command to see what is available\n");
348 BIO_printf(bio_err," -starttls prot - use the STARTTLS command before starting TLS\n");
349 BIO_printf(bio_err," for those protocols that support it, where\n");
350 BIO_printf(bio_err," 'prot' defines which one to assume. Currently,\n");
351 BIO_printf(bio_err," only \"smtp\", \"pop3\", \"imap\", \"ftp\" and \"xmpp\"\n");
352 BIO_printf(bio_err," are supported.\n");
353 BIO_printf(bio_err," -xmpphost host - When used with \"-starttls xmpp\" specifies the virtual host.\n");
354 #ifndef OPENSSL_NO_ENGINE
355 BIO_printf(bio_err," -engine id - Initialise and use the specified engine\n");
357 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
358 BIO_printf(bio_err," -sess_out arg - file to write SSL session to\n");
359 BIO_printf(bio_err," -sess_in arg - file to read SSL session from\n");
360 #ifndef OPENSSL_NO_TLSEXT
361 BIO_printf(bio_err," -servername host - Set TLS extension servername in ClientHello\n");
362 BIO_printf(bio_err," -tlsextdebug - hex dump of all TLS extensions received\n");
363 BIO_printf(bio_err," -status - request certificate status from server\n");
364 BIO_printf(bio_err," -no_ticket - disable use of RFC4507bis session tickets\n");
365 BIO_printf(bio_err," -serverinfo types - send empty ClientHello extensions (comma-separated numbers)\n");
366 # ifndef OPENSSL_NO_NEXTPROTONEG
367 BIO_printf(bio_err," -nextprotoneg arg - enable NPN extension, considering named protocols supported (comma-separated list)\n");
369 BIO_printf(bio_err," -alpn arg - enable ALPN extension, considering named protocols supported (comma-separated list)\n");
371 BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
372 BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
373 BIO_printf(bio_err," -keymatexport label - Export keying material using label\n");
374 BIO_printf(bio_err," -keymatexportlen len - Export len bytes of keying material (default 20)\n");
377 #ifndef OPENSSL_NO_TLSEXT
379 /* This is a context that we pass to callbacks */
380 typedef struct tlsextctx_st {
386 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
388 tlsextctx * p = (tlsextctx *) arg;
389 const char * hn= SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
390 if (SSL_get_servername_type(s) != -1)
391 p->ack = !SSL_session_reused(s) && hn != NULL;
393 BIO_printf(bio_err,"Can't use SSL_get_servername\n");
395 return SSL_TLSEXT_ERR_OK;
398 #ifndef OPENSSL_NO_SRP
400 /* This is a context that we pass to all callbacks */
401 typedef struct srp_arg_st
405 int msg; /* copy from c_msg */
406 int debug; /* copy from c_debug */
407 int amp; /* allow more groups */
408 int strength /* minimal size for N */ ;
411 #define SRP_NUMBER_ITERATIONS_FOR_PRIME 64
413 static int srp_Verify_N_and_g(const BIGNUM *N, const BIGNUM *g)
415 BN_CTX *bn_ctx = BN_CTX_new();
416 BIGNUM *p = BN_new();
417 BIGNUM *r = BN_new();
419 g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) &&
420 BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
421 p != NULL && BN_rshift1(p, N) &&
424 BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
427 /* verify g^((N-1)/2) == -1 (mod N) */
428 BN_mod_exp(r, g, p, N, bn_ctx) &&
441 /* This callback is used here for two purposes:
443 - making some primality tests for unknown groups
444 The callback is only called for a non default group.
446 An application does not need the call back at all if
447 only the stanard groups are used. In real life situations,
448 client and server already share well known groups,
449 thus there is no need to verify them.
450 Furthermore, in case that a server actually proposes a group that
451 is not one of those defined in RFC 5054, it is more appropriate
452 to add the group to a static list and then compare since
453 primality tests are rather cpu consuming.
456 static int MS_CALLBACK ssl_srp_verify_param_cb(SSL *s, void *arg)
458 SRP_ARG *srp_arg = (SRP_ARG *)arg;
459 BIGNUM *N = NULL, *g = NULL;
460 if (!(N = SSL_get_srp_N(s)) || !(g = SSL_get_srp_g(s)))
462 if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1)
464 BIO_printf(bio_err, "SRP parameters:\n");
465 BIO_printf(bio_err,"\tN="); BN_print(bio_err,N);
466 BIO_printf(bio_err,"\n\tg="); BN_print(bio_err,g);
467 BIO_printf(bio_err,"\n");
470 if (SRP_check_known_gN_param(g,N))
473 if (srp_arg->amp == 1)
476 BIO_printf(bio_err, "SRP param N and g are not known params, going to check deeper.\n");
478 /* The srp_moregroups is a real debugging feature.
479 Implementors should rather add the value to the known ones.
480 The minimal size has already been tested.
482 if (BN_num_bits(g) <= BN_BITS && srp_Verify_N_and_g(N,g))
485 BIO_printf(bio_err, "SRP param N and g rejected.\n");
489 #define PWD_STRLEN 1024
491 static char * MS_CALLBACK ssl_give_srp_client_pwd_cb(SSL *s, void *arg)
493 SRP_ARG *srp_arg = (SRP_ARG *)arg;
494 char *pass = (char *)OPENSSL_malloc(PWD_STRLEN+1);
498 cb_tmp.password = (char *)srp_arg->srppassin;
499 cb_tmp.prompt_info = "SRP user";
500 if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp))<0)
502 BIO_printf (bio_err, "Can't read Password\n");
512 char *srtp_profiles = NULL;
514 # ifndef OPENSSL_NO_NEXTPROTONEG
515 /* This the context that we pass to next_proto_cb */
516 typedef struct tlsextnextprotoctx_st {
520 } tlsextnextprotoctx;
522 static tlsextnextprotoctx next_proto;
524 static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen, const unsigned char *in, unsigned int inlen, void *arg)
526 tlsextnextprotoctx *ctx = arg;
530 /* We can assume that |in| is syntactically valid. */
532 BIO_printf(bio_c_out, "Protocols advertised by server: ");
533 for (i = 0; i < inlen; )
536 BIO_write(bio_c_out, ", ", 2);
537 BIO_write(bio_c_out, &in[i + 1], in[i]);
540 BIO_write(bio_c_out, "\n", 1);
543 ctx->status = SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len);
544 return SSL_TLSEXT_ERR_OK;
546 # endif /* ndef OPENSSL_NO_NEXTPROTONEG */
548 static int serverinfo_cli_cb(SSL* s, unsigned short ext_type,
549 const unsigned char* in, unsigned short inlen,
553 unsigned char ext_buf[4 + 65536];
555 /* Reconstruct the type/len fields prior to extension data */
556 ext_buf[0] = ext_type >> 8;
557 ext_buf[1] = ext_type & 0xFF;
558 ext_buf[2] = inlen >> 8;
559 ext_buf[3] = inlen & 0xFF;
560 memcpy(ext_buf+4, in, inlen);
562 BIO_snprintf(pem_name, sizeof(pem_name), "SERVERINFO FOR EXTENSION %d",
564 PEM_write_bio(bio_c_out, pem_name, "", ext_buf, 4 + inlen);
580 int MAIN(int, char **);
582 int MAIN(int argc, char **argv)
586 #ifndef OPENSSL_NO_KRB5
589 int s,k,width,state=0;
590 char *cbuf=NULL,*sbuf=NULL,*mbuf=NULL;
591 int cbuf_len,cbuf_off;
592 int sbuf_len,sbuf_off;
593 fd_set readfds,writefds;
596 char *host=SSL_HOST_NAME;
597 const char *unix_path = NULL;
598 char *xmpphost = NULL;
599 char *cert_file=NULL,*key_file=NULL,*chain_file=NULL;
600 int cert_format = FORMAT_PEM, key_format = FORMAT_PEM;
601 char *passarg = NULL, *pass = NULL;
603 EVP_PKEY *key = NULL;
604 STACK_OF(X509) *chain = NULL;
605 char *CApath=NULL,*CAfile=NULL;
606 char *chCApath=NULL,*chCAfile=NULL;
607 char *vfyCApath=NULL,*vfyCAfile=NULL;
608 int reconnect=0,badop=0,verify=SSL_VERIFY_NONE;
610 int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending;
612 int ret=1,in_init=1,i,nbio_test=0;
613 int starttls_proto = PROTO_OFF;
615 X509_VERIFY_PARAM *vpm = NULL;
617 const SSL_METHOD *meth=NULL;
618 int socket_type=SOCK_STREAM;
622 struct timeval timeout, *timeoutp;
623 #ifndef OPENSSL_NO_ENGINE
624 char *engine_id=NULL;
625 char *ssl_client_engine_id=NULL;
626 ENGINE *ssl_client_engine=NULL;
629 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
631 #if defined(OPENSSL_SYS_BEOS_R5)
635 #ifndef OPENSSL_NO_TLSEXT
636 char *servername = NULL;
637 tlsextctx tlsextcbp =
639 # ifndef OPENSSL_NO_NEXTPROTONEG
640 const char *next_proto_neg_in = NULL;
642 const char *alpn_in = NULL;
643 # define MAX_SI_TYPES 100
644 unsigned short serverinfo_types[MAX_SI_TYPES];
645 int serverinfo_types_count = 0;
647 char *sess_in = NULL;
648 char *sess_out = NULL;
649 struct sockaddr peer;
650 int peerlen = sizeof(peer);
651 int enable_timeouts = 0 ;
653 #ifndef OPENSSL_NO_JPAKE
654 static char *jpake_secret = NULL;
655 #define no_jpake !jpake_secret
659 #ifndef OPENSSL_NO_SRP
660 char * srppass = NULL;
661 int srp_lateuser = 0;
662 SRP_ARG srp_arg = {NULL,NULL,0,0,0,1024};
664 SSL_EXCERT *exc = NULL;
666 SSL_CONF_CTX *cctx = NULL;
667 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
669 char *crl_file = NULL;
670 int crl_format = FORMAT_PEM;
671 int crl_download = 0;
672 STACK_OF(X509_CRL) *crls = NULL;
675 meth=SSLv23_client_method();
686 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
688 if (!load_config(bio_err, NULL))
690 cctx = SSL_CONF_CTX_new();
693 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT);
694 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CMDLINE);
696 if ( ((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
697 ((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
698 ((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL))
700 BIO_printf(bio_err,"out of memory\n");
705 verify_error=X509_V_OK;
714 if (strcmp(*argv,"-host") == 0)
716 if (--argc < 1) goto bad;
719 else if (strcmp(*argv,"-port") == 0)
721 if (--argc < 1) goto bad;
722 port=atoi(*(++argv));
723 if (port == 0) goto bad;
725 else if (strcmp(*argv,"-connect") == 0)
727 if (--argc < 1) goto bad;
728 if (!extract_host_port(*(++argv),&host,NULL,&port))
731 else if (strcmp(*argv,"-unix") == 0)
733 if (--argc < 1) goto bad;
734 unix_path = *(++argv);
736 else if (strcmp(*argv,"-xmpphost") == 0)
738 if (--argc < 1) goto bad;
741 else if (strcmp(*argv,"-verify") == 0)
743 verify=SSL_VERIFY_PEER;
744 if (--argc < 1) goto bad;
745 verify_depth=atoi(*(++argv));
747 BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
749 else if (strcmp(*argv,"-cert") == 0)
751 if (--argc < 1) goto bad;
752 cert_file= *(++argv);
754 else if (strcmp(*argv,"-CRL") == 0)
756 if (--argc < 1) goto bad;
759 else if (strcmp(*argv,"-crl_download") == 0)
761 else if (strcmp(*argv,"-sess_out") == 0)
763 if (--argc < 1) goto bad;
764 sess_out = *(++argv);
766 else if (strcmp(*argv,"-sess_in") == 0)
768 if (--argc < 1) goto bad;
771 else if (strcmp(*argv,"-certform") == 0)
773 if (--argc < 1) goto bad;
774 cert_format = str2fmt(*(++argv));
776 else if (strcmp(*argv,"-CRLform") == 0)
778 if (--argc < 1) goto bad;
779 crl_format = str2fmt(*(++argv));
781 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
787 else if (strcmp(*argv,"-verify_return_error") == 0)
788 verify_return_error = 1;
789 else if (strcmp(*argv,"-verify_quiet") == 0)
791 else if (strcmp(*argv,"-brief") == 0)
797 else if (args_excert(&argv, &argc, &badarg, bio_err, &exc))
803 else if (args_ssl(&argv, &argc, cctx, &badarg, bio_err, &ssl_args))
809 else if (strcmp(*argv,"-prexit") == 0)
811 else if (strcmp(*argv,"-crlf") == 0)
813 else if (strcmp(*argv,"-quiet") == 0)
818 else if (strcmp(*argv,"-ign_eof") == 0)
820 else if (strcmp(*argv,"-no_ign_eof") == 0)
822 else if (strcmp(*argv,"-pause") == 0)
824 else if (strcmp(*argv,"-debug") == 0)
826 #ifndef OPENSSL_NO_TLSEXT
827 else if (strcmp(*argv,"-tlsextdebug") == 0)
829 else if (strcmp(*argv,"-status") == 0)
833 else if (strcmp(*argv,"-wdebug") == 0)
836 else if (strcmp(*argv,"-msg") == 0)
838 else if (strcmp(*argv,"-msgfile") == 0)
840 if (--argc < 1) goto bad;
841 bio_c_msg = BIO_new_file(*(++argv), "w");
843 #ifndef OPENSSL_NO_SSL_TRACE
844 else if (strcmp(*argv,"-trace") == 0)
847 else if (strcmp(*argv,"-security_debug") == 0)
849 else if (strcmp(*argv,"-security_debug_verbose") == 0)
851 else if (strcmp(*argv,"-showcerts") == 0)
853 else if (strcmp(*argv,"-nbio_test") == 0)
855 else if (strcmp(*argv,"-state") == 0)
857 #ifndef OPENSSL_NO_PSK
858 else if (strcmp(*argv,"-psk_identity") == 0)
860 if (--argc < 1) goto bad;
861 psk_identity=*(++argv);
863 else if (strcmp(*argv,"-psk") == 0)
867 if (--argc < 1) goto bad;
869 for (j = 0; j < strlen(psk_key); j++)
871 if (isxdigit((unsigned char)psk_key[j]))
873 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
878 #ifndef OPENSSL_NO_SRP
879 else if (strcmp(*argv,"-srpuser") == 0)
881 if (--argc < 1) goto bad;
882 srp_arg.srplogin= *(++argv);
883 meth=TLSv1_client_method();
885 else if (strcmp(*argv,"-srppass") == 0)
887 if (--argc < 1) goto bad;
889 meth=TLSv1_client_method();
891 else if (strcmp(*argv,"-srp_strength") == 0)
893 if (--argc < 1) goto bad;
894 srp_arg.strength=atoi(*(++argv));
895 BIO_printf(bio_err,"SRP minimal length for N is %d\n",srp_arg.strength);
896 meth=TLSv1_client_method();
898 else if (strcmp(*argv,"-srp_lateuser") == 0)
901 meth=TLSv1_client_method();
903 else if (strcmp(*argv,"-srp_moregroups") == 0)
906 meth=TLSv1_client_method();
909 #ifndef OPENSSL_NO_SSL2
910 else if (strcmp(*argv,"-ssl2") == 0)
911 meth=SSLv2_client_method();
913 #ifndef OPENSSL_NO_SSL3
914 else if (strcmp(*argv,"-ssl3") == 0)
915 meth=SSLv3_client_method();
917 #ifndef OPENSSL_NO_TLS1
918 else if (strcmp(*argv,"-tls1_2") == 0)
919 meth=TLSv1_2_client_method();
920 else if (strcmp(*argv,"-tls1_1") == 0)
921 meth=TLSv1_1_client_method();
922 else if (strcmp(*argv,"-tls1") == 0)
923 meth=TLSv1_client_method();
925 #ifndef OPENSSL_NO_DTLS1
926 else if (strcmp(*argv,"-dtls") == 0)
928 meth=DTLS_client_method();
929 socket_type=SOCK_DGRAM;
931 else if (strcmp(*argv,"-dtls1") == 0)
933 meth=DTLSv1_client_method();
934 socket_type=SOCK_DGRAM;
936 else if (strcmp(*argv,"-dtls1_2") == 0)
938 meth=DTLSv1_2_client_method();
939 socket_type=SOCK_DGRAM;
941 else if (strcmp(*argv,"-timeout") == 0)
943 else if (strcmp(*argv,"-mtu") == 0)
945 if (--argc < 1) goto bad;
946 socket_mtu = atol(*(++argv));
949 else if (strcmp(*argv,"-keyform") == 0)
951 if (--argc < 1) goto bad;
952 key_format = str2fmt(*(++argv));
954 else if (strcmp(*argv,"-pass") == 0)
956 if (--argc < 1) goto bad;
959 else if (strcmp(*argv,"-cert_chain") == 0)
961 if (--argc < 1) goto bad;
962 chain_file= *(++argv);
964 else if (strcmp(*argv,"-key") == 0)
966 if (--argc < 1) goto bad;
969 else if (strcmp(*argv,"-reconnect") == 0)
973 else if (strcmp(*argv,"-CApath") == 0)
975 if (--argc < 1) goto bad;
978 else if (strcmp(*argv,"-chainCApath") == 0)
980 if (--argc < 1) goto bad;
983 else if (strcmp(*argv,"-verifyCApath") == 0)
985 if (--argc < 1) goto bad;
986 vfyCApath= *(++argv);
988 else if (strcmp(*argv,"-build_chain") == 0)
990 else if (strcmp(*argv,"-CAfile") == 0)
992 if (--argc < 1) goto bad;
995 else if (strcmp(*argv,"-chainCAfile") == 0)
997 if (--argc < 1) goto bad;
1000 else if (strcmp(*argv,"-verifyCAfile") == 0)
1002 if (--argc < 1) goto bad;
1003 vfyCAfile= *(++argv);
1005 #ifndef OPENSSL_NO_TLSEXT
1006 # ifndef OPENSSL_NO_NEXTPROTONEG
1007 else if (strcmp(*argv,"-nextprotoneg") == 0)
1009 if (--argc < 1) goto bad;
1010 next_proto_neg_in = *(++argv);
1013 else if (strcmp(*argv,"-alpn") == 0)
1015 if (--argc < 1) goto bad;
1016 alpn_in = *(++argv);
1018 else if (strcmp(*argv,"-serverinfo") == 0)
1024 if (--argc < 1) goto bad;
1026 serverinfo_types_count = 0;
1028 for (i = 0; i <= len; ++i)
1030 if (i == len || c[i] == ',')
1032 serverinfo_types[serverinfo_types_count]
1034 serverinfo_types_count++;
1037 if (serverinfo_types_count == MAX_SI_TYPES)
1043 else if (strcmp(*argv,"-nbio") == 0)
1046 else if (strcmp(*argv,"-starttls") == 0)
1048 if (--argc < 1) goto bad;
1050 if (strcmp(*argv,"smtp") == 0)
1051 starttls_proto = PROTO_SMTP;
1052 else if (strcmp(*argv,"pop3") == 0)
1053 starttls_proto = PROTO_POP3;
1054 else if (strcmp(*argv,"imap") == 0)
1055 starttls_proto = PROTO_IMAP;
1056 else if (strcmp(*argv,"ftp") == 0)
1057 starttls_proto = PROTO_FTP;
1058 else if (strcmp(*argv, "xmpp") == 0)
1059 starttls_proto = PROTO_XMPP;
1063 #ifndef OPENSSL_NO_ENGINE
1064 else if (strcmp(*argv,"-engine") == 0)
1066 if (--argc < 1) goto bad;
1067 engine_id = *(++argv);
1069 else if (strcmp(*argv,"-ssl_client_engine") == 0)
1071 if (--argc < 1) goto bad;
1072 ssl_client_engine_id = *(++argv);
1075 else if (strcmp(*argv,"-rand") == 0)
1077 if (--argc < 1) goto bad;
1080 #ifndef OPENSSL_NO_TLSEXT
1081 else if (strcmp(*argv,"-servername") == 0)
1083 if (--argc < 1) goto bad;
1084 servername= *(++argv);
1085 /* meth=TLSv1_client_method(); */
1088 #ifndef OPENSSL_NO_JPAKE
1089 else if (strcmp(*argv,"-jpake") == 0)
1091 if (--argc < 1) goto bad;
1092 jpake_secret = *++argv;
1095 else if (strcmp(*argv,"-use_srtp") == 0)
1097 if (--argc < 1) goto bad;
1098 srtp_profiles = *(++argv);
1100 else if (strcmp(*argv,"-keymatexport") == 0)
1102 if (--argc < 1) goto bad;
1103 keymatexportlabel= *(++argv);
1105 else if (strcmp(*argv,"-keymatexportlen") == 0)
1107 if (--argc < 1) goto bad;
1108 keymatexportlen=atoi(*(++argv));
1109 if (keymatexportlen == 0) goto bad;
1113 BIO_printf(bio_err,"unknown option %s\n",*argv);
1127 if (unix_path && (socket_type != SOCK_STREAM))
1129 BIO_printf(bio_err, "Can't use unix sockets and datagrams together\n");
1132 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1138 "Can't use JPAKE and PSK together\n");
1141 psk_identity = "JPAKE";
1145 OpenSSL_add_ssl_algorithms();
1146 SSL_load_error_strings();
1148 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
1149 next_proto.status = -1;
1150 if (next_proto_neg_in)
1152 next_proto.data = next_protos_parse(&next_proto.len, next_proto_neg_in);
1153 if (next_proto.data == NULL)
1155 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n");
1160 next_proto.data = NULL;
1163 #ifndef OPENSSL_NO_ENGINE
1164 e = setup_engine(bio_err, engine_id, 1);
1165 if (ssl_client_engine_id)
1167 ssl_client_engine = ENGINE_by_id(ssl_client_engine_id);
1168 if (!ssl_client_engine)
1171 "Error getting client auth engine\n");
1177 if (!app_passwd(bio_err, passarg, NULL, &pass, NULL))
1179 BIO_printf(bio_err, "Error getting password\n");
1183 if (key_file == NULL)
1184 key_file = cert_file;
1191 key = load_key(bio_err, key_file, key_format, 0, pass, e,
1192 "client certificate private key file");
1195 ERR_print_errors(bio_err);
1204 cert = load_cert(bio_err,cert_file,cert_format,
1205 NULL, e, "client certificate file");
1209 ERR_print_errors(bio_err);
1216 chain = load_certs(bio_err, chain_file,FORMAT_PEM,
1217 NULL, e, "client certificate chain");
1225 crl = load_crl(crl_file, crl_format);
1228 BIO_puts(bio_err, "Error loading CRL\n");
1229 ERR_print_errors(bio_err);
1232 crls = sk_X509_CRL_new_null();
1233 if (!crls || !sk_X509_CRL_push(crls, crl))
1235 BIO_puts(bio_err, "Error adding CRL\n");
1236 ERR_print_errors(bio_err);
1242 if (!load_excert(&exc, bio_err))
1245 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1248 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
1251 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
1252 app_RAND_load_files(inrand));
1254 if (bio_c_out == NULL)
1256 if (c_quiet && !c_debug)
1258 bio_c_out=BIO_new(BIO_s_null());
1259 if (c_msg && !bio_c_msg)
1260 bio_c_msg=BIO_new_fp(stdout,BIO_NOCLOSE);
1264 if (bio_c_out == NULL)
1265 bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE);
1269 #ifndef OPENSSL_NO_SRP
1270 if(!app_passwd(bio_err, srppass, NULL, &srp_arg.srppassin, NULL))
1272 BIO_printf(bio_err, "Error getting password\n");
1277 ctx=SSL_CTX_new(meth);
1280 ERR_print_errors(bio_err);
1285 ssl_ctx_security_debug(ctx, bio_err, sdebug);
1288 SSL_CTX_set1_param(ctx, vpm);
1290 if (!args_ssl_call(ctx, bio_err, cctx, ssl_args, 1, no_jpake))
1292 ERR_print_errors(bio_err);
1296 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1297 crls, crl_download))
1299 BIO_printf(bio_err, "Error loading store locations\n");
1300 ERR_print_errors(bio_err);
1304 #ifndef OPENSSL_NO_ENGINE
1305 if (ssl_client_engine)
1307 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine))
1309 BIO_puts(bio_err, "Error setting client auth engine\n");
1310 ERR_print_errors(bio_err);
1311 ENGINE_free(ssl_client_engine);
1314 ENGINE_free(ssl_client_engine);
1318 #ifndef OPENSSL_NO_PSK
1319 #ifdef OPENSSL_NO_JPAKE
1320 if (psk_key != NULL)
1322 if (psk_key != NULL || jpake_secret)
1326 BIO_printf(bio_c_out, "PSK key given or JPAKE in use, setting client callback\n");
1327 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
1329 if (srtp_profiles != NULL)
1330 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1332 if (exc) ssl_ctx_set_excert(ctx, exc);
1333 /* DTLS: partial reads end up discarding unread UDP bytes :-(
1334 * Setting read ahead solves this problem.
1336 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1338 #if !defined(OPENSSL_NO_TLSEXT)
1339 # if !defined(OPENSSL_NO_NEXTPROTONEG)
1340 if (next_proto.data)
1341 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
1345 unsigned short alpn_len;
1346 unsigned char *alpn = next_protos_parse(&alpn_len, alpn_in);
1350 BIO_printf(bio_err, "Error parsing -alpn argument\n");
1353 SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len);
1357 #ifndef OPENSSL_NO_TLSEXT
1358 if (serverinfo_types_count)
1360 for (i = 0; i < serverinfo_types_count; i++)
1362 SSL_CTX_set_custom_cli_ext(ctx,
1363 serverinfo_types[i],
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);
1443 #ifndef OPENSSL_NO_TLSEXT
1444 if (servername != NULL)
1446 if (!SSL_set_tlsext_host_name(con,servername))
1448 BIO_printf(bio_err,"Unable to set TLS servername extension.\n");
1449 ERR_print_errors(bio_err);
1454 #ifndef OPENSSL_NO_KRB5
1455 if (con && (kctx = kssl_ctx_new()) != NULL)
1457 SSL_set0_kssl_ctx(con, kctx);
1458 kssl_ctx_setstring(kctx, KSSL_SERVER, host);
1460 #endif /* OPENSSL_NO_KRB5 */
1461 /* SSL_set_cipher_list(con,"RC4-MD5"); */
1463 #ifdef TLSEXT_TYPE_opaque_prf_input
1464 SSL_set_tlsext_opaque_prf_input(con, "Test client", 11);
1470 if (init_client(&s,host,port,socket_type) == 0)
1472 if ((!unix_path && (init_client(&s,host,port,socket_type) == 0)) ||
1473 (unix_path && (init_client_unix(&s,unix_path) == 0)))
1476 BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error());
1480 BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s);
1486 BIO_printf(bio_c_out,"turning on non blocking io\n");
1487 if (BIO_socket_ioctl(s,FIONBIO,&l) < 0)
1489 ERR_print_errors(bio_err);
1494 if (c_Pause & 0x01) SSL_set_debug(con, 1);
1496 if (socket_type == SOCK_DGRAM)
1499 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
1500 if (getsockname(s, &peer, (void *)&peerlen) < 0)
1502 BIO_printf(bio_err, "getsockname:errno=%d\n",
1503 get_last_socket_error());
1508 (void)BIO_ctrl_set_connected(sbio, 1, &peer);
1510 if (enable_timeouts)
1513 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1514 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1517 timeout.tv_usec = DGRAM_SND_TIMEOUT;
1518 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1521 if (socket_mtu > 28)
1523 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1524 SSL_set_mtu(con, socket_mtu - 28);
1527 /* want to do MTU discovery */
1528 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1531 sbio=BIO_new_socket(s,BIO_NOCLOSE);
1537 test=BIO_new(BIO_f_nbio_test());
1538 sbio=BIO_push(test,sbio);
1543 SSL_set_debug(con, 1);
1544 BIO_set_callback(sbio,bio_dump_callback);
1545 BIO_set_callback_arg(sbio,(char *)bio_c_out);
1549 #ifndef OPENSSL_NO_SSL_TRACE
1551 SSL_set_msg_callback(con, SSL_trace);
1554 SSL_set_msg_callback(con, msg_cb);
1555 SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out);
1557 #ifndef OPENSSL_NO_TLSEXT
1560 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1561 SSL_set_tlsext_debug_arg(con, bio_c_out);
1565 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
1566 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
1567 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
1570 STACK_OF(OCSP_RESPID) *ids = sk_OCSP_RESPID_new_null();
1571 OCSP_RESPID *id = OCSP_RESPID_new();
1572 id->value.byKey = ASN1_OCTET_STRING_new();
1573 id->type = V_OCSP_RESPID_KEY;
1574 ASN1_STRING_set(id->value.byKey, "Hello World", -1);
1575 sk_OCSP_RESPID_push(ids, id);
1576 SSL_set_tlsext_status_ids(con, ids);
1581 #ifndef OPENSSL_NO_JPAKE
1583 jpake_client_auth(bio_c_out, sbio, jpake_secret);
1586 SSL_set_bio(con,sbio,sbio);
1587 SSL_set_connect_state(con);
1589 /* ok, lets connect */
1590 width=SSL_get_fd(con)+1;
1603 /* This is an ugly hack that does a lot of assumptions */
1604 /* We do have to handle multi-line responses which may come
1605 in a single packet or not. We therefore have to use
1606 BIO_gets() which does need a buffering BIO. So during
1607 the initial chitchat we do push a buffering BIO into the
1608 chain that is removed again later on to not disturb the
1609 rest of the s_client operation. */
1610 if (starttls_proto == PROTO_SMTP)
1613 BIO *fbio = BIO_new(BIO_f_buffer());
1614 BIO_push(fbio, sbio);
1615 /* wait for multi-line response to end from SMTP */
1618 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1620 while (mbuf_len>3 && mbuf[3]=='-');
1621 /* STARTTLS command requires EHLO... */
1622 BIO_printf(fbio,"EHLO openssl.client.net\r\n");
1623 (void)BIO_flush(fbio);
1624 /* wait for multi-line response to end EHLO SMTP response */
1627 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1628 if (strstr(mbuf,"STARTTLS"))
1631 while (mbuf_len>3 && mbuf[3]=='-');
1632 (void)BIO_flush(fbio);
1637 "didn't found starttls in server response,"
1638 " try anyway...\n");
1639 BIO_printf(sbio,"STARTTLS\r\n");
1640 BIO_read(sbio,sbuf,BUFSIZZ);
1642 else if (starttls_proto == PROTO_POP3)
1644 BIO_read(sbio,mbuf,BUFSIZZ);
1645 BIO_printf(sbio,"STLS\r\n");
1646 BIO_read(sbio,sbuf,BUFSIZZ);
1648 else if (starttls_proto == PROTO_IMAP)
1651 BIO *fbio = BIO_new(BIO_f_buffer());
1652 BIO_push(fbio, sbio);
1653 BIO_gets(fbio,mbuf,BUFSIZZ);
1654 /* STARTTLS command requires CAPABILITY... */
1655 BIO_printf(fbio,". CAPABILITY\r\n");
1656 (void)BIO_flush(fbio);
1657 /* wait for multi-line CAPABILITY response */
1660 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1661 if (strstr(mbuf,"STARTTLS"))
1664 while (mbuf_len>3 && mbuf[0]!='.');
1665 (void)BIO_flush(fbio);
1670 "didn't found STARTTLS in server response,"
1671 " try anyway...\n");
1672 BIO_printf(sbio,". STARTTLS\r\n");
1673 BIO_read(sbio,sbuf,BUFSIZZ);
1675 else if (starttls_proto == PROTO_FTP)
1677 BIO *fbio = BIO_new(BIO_f_buffer());
1678 BIO_push(fbio, sbio);
1679 /* wait for multi-line response to end from FTP */
1682 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1684 while (mbuf_len>3 && mbuf[3]=='-');
1685 (void)BIO_flush(fbio);
1688 BIO_printf(sbio,"AUTH TLS\r\n");
1689 BIO_read(sbio,sbuf,BUFSIZZ);
1691 if (starttls_proto == PROTO_XMPP)
1694 BIO_printf(sbio,"<stream:stream "
1695 "xmlns:stream='http://etherx.jabber.org/streams' "
1696 "xmlns='jabber:client' to='%s' version='1.0'>", xmpphost ?
1698 seen = BIO_read(sbio,mbuf,BUFSIZZ);
1700 while (!strstr(mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'") &&
1701 !strstr(mbuf, "<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\""))
1703 seen = BIO_read(sbio,mbuf,BUFSIZZ);
1710 BIO_printf(sbio, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
1711 seen = BIO_read(sbio,sbuf,BUFSIZZ);
1713 if (!strstr(sbuf, "<proceed"))
1723 if ((SSL_version(con) == DTLS1_VERSION) &&
1724 DTLSv1_get_timeout(con, &timeout))
1725 timeoutp = &timeout;
1729 if (SSL_in_init(con) && !SSL_total_renegotiations(con))
1740 #if 0 /* This test doesn't really work as intended (needs to be fixed) */
1741 #ifndef OPENSSL_NO_TLSEXT
1742 if (servername != NULL && !SSL_session_reused(con))
1744 BIO_printf(bio_c_out,"Server did %sacknowledge servername extension.\n",tlsextcbp.ack?"":"not ");
1750 BIO *stmp = BIO_new_file(sess_out, "w");
1753 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));
1757 BIO_printf(bio_err, "Error writing session file %s\n", sess_out);
1762 "CONNECTION ESTABLISHED\n");
1763 print_ssl_summary(bio_err, con);
1766 print_stuff(bio_c_out,con,full_log);
1767 if (full_log > 0) full_log--;
1771 BIO_printf(bio_err,"%s",mbuf);
1772 /* We don't need to know any more */
1773 starttls_proto = PROTO_OFF;
1779 BIO_printf(bio_c_out,"drop connection and then reconnect\n");
1781 SSL_set_connect_state(con);
1782 SHUTDOWN(SSL_get_fd(con));
1788 ssl_pending = read_ssl && SSL_pending(con);
1792 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined (OPENSSL_SYS_BEOS_R5)
1795 if (read_tty) openssl_fdset(fileno(stdin),&readfds);
1796 if (write_tty) openssl_fdset(fileno(stdout),&writefds);
1799 openssl_fdset(SSL_get_fd(con),&readfds);
1801 openssl_fdset(SSL_get_fd(con),&writefds);
1803 if(!tty_on || !write_tty) {
1805 openssl_fdset(SSL_get_fd(con),&readfds);
1807 openssl_fdset(SSL_get_fd(con),&writefds);
1810 /* printf("mode tty(%d %d%d) ssl(%d%d)\n",
1811 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
1813 /* Note: under VMS with SOCKETSHR the second parameter
1814 * is currently of type (int *) whereas under other
1815 * systems it is (void *) if you don't have a cast it
1816 * will choke the compiler: if you do have a cast then
1817 * you can either go for (int *) or (void *).
1819 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1820 /* Under Windows/DOS we make the assumption that we can
1821 * always write to the tty: therefore if we need to
1822 * write to the tty we just fall through. Otherwise
1823 * we timeout the select every second and see if there
1824 * are any keypresses. Note: this is a hack, in a proper
1825 * Windows application we wouldn't do this.
1832 i=select(width,(void *)&readfds,(void *)&writefds,
1834 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1835 if(!i && (!_kbhit() || !read_tty) ) continue;
1837 if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue;
1839 } else i=select(width,(void *)&readfds,(void *)&writefds,
1842 #elif defined(OPENSSL_SYS_NETWARE)
1847 i=select(width,(void *)&readfds,(void *)&writefds,
1849 } else i=select(width,(void *)&readfds,(void *)&writefds,
1852 #elif defined(OPENSSL_SYS_BEOS_R5)
1853 /* Under BeOS-R5 the situation is similar to DOS */
1856 (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
1861 i=select(width,(void *)&readfds,(void *)&writefds,
1863 if (read(fileno(stdin), sbuf, 0) >= 0)
1865 if (!i && (stdin_set != 1 || !read_tty))
1867 } else i=select(width,(void *)&readfds,(void *)&writefds,
1870 (void)fcntl(fileno(stdin), F_SETFL, 0);
1872 i=select(width,(void *)&readfds,(void *)&writefds,
1877 BIO_printf(bio_err,"bad select %d\n",
1878 get_last_socket_error());
1884 if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
1886 BIO_printf(bio_err,"TIMEOUT occurred\n");
1889 if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds))
1891 k=SSL_write(con,&(cbuf[cbuf_off]),
1892 (unsigned int)cbuf_len);
1893 switch (SSL_get_error(con,k))
1895 case SSL_ERROR_NONE:
1898 if (k <= 0) goto end;
1899 /* we have done a write(con,NULL,0); */
1905 else /* if (cbuf_len > 0) */
1911 case SSL_ERROR_WANT_WRITE:
1912 BIO_printf(bio_c_out,"write W BLOCK\n");
1916 case SSL_ERROR_WANT_READ:
1917 BIO_printf(bio_c_out,"write R BLOCK\n");
1922 case SSL_ERROR_WANT_X509_LOOKUP:
1923 BIO_printf(bio_c_out,"write X BLOCK\n");
1925 case SSL_ERROR_ZERO_RETURN:
1928 BIO_printf(bio_c_out,"shutdown\n");
1939 case SSL_ERROR_SYSCALL:
1940 if ((k != 0) || (cbuf_len != 0))
1942 BIO_printf(bio_err,"write:errno=%d\n",
1943 get_last_socket_error());
1953 ERR_print_errors(bio_err);
1957 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
1958 /* Assume Windows/DOS/BeOS can always write */
1959 else if (!ssl_pending && write_tty)
1961 else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds))
1964 #ifdef CHARSET_EBCDIC
1965 ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len);
1967 i=raw_write_stdout(&(sbuf[sbuf_off]),sbuf_len);
1971 BIO_printf(bio_c_out,"DONE\n");
1985 else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds))
1988 { static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } }
1991 k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ );
1993 /* Demo for pending and peek :-) */
1994 k=SSL_read(con,sbuf,16);
1996 printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240));
2000 switch (SSL_get_error(con,k))
2002 case SSL_ERROR_NONE:
2011 case SSL_ERROR_WANT_WRITE:
2012 BIO_printf(bio_c_out,"read W BLOCK\n");
2016 case SSL_ERROR_WANT_READ:
2017 BIO_printf(bio_c_out,"read R BLOCK\n");
2020 if ((read_tty == 0) && (write_ssl == 0))
2023 case SSL_ERROR_WANT_X509_LOOKUP:
2024 BIO_printf(bio_c_out,"read X BLOCK\n");
2026 case SSL_ERROR_SYSCALL:
2027 ret=get_last_socket_error();
2029 BIO_puts(bio_err, "CONNECTION CLOSED BY SERVER\n");
2031 BIO_printf(bio_err,"read:errno=%d\n",ret);
2033 case SSL_ERROR_ZERO_RETURN:
2034 BIO_printf(bio_c_out,"closed\n");
2038 ERR_print_errors(bio_err);
2044 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2045 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
2048 else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
2050 #elif defined (OPENSSL_SYS_NETWARE)
2052 #elif defined(OPENSSL_SYS_BEOS_R5)
2055 else if (FD_ISSET(fileno(stdin),&readfds))
2062 i=raw_read_stdin(cbuf,BUFSIZZ/2);
2064 /* both loops are skipped when i <= 0 */
2065 for (j = 0; j < i; j++)
2066 if (cbuf[j] == '\n')
2068 for (j = i-1; j >= 0; j--)
2070 cbuf[j+lf_num] = cbuf[j];
2071 if (cbuf[j] == '\n')
2075 cbuf[j+lf_num] = '\r';
2078 assert(lf_num == 0);
2081 i=raw_read_stdin(cbuf,BUFSIZZ);
2083 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q')))
2085 BIO_printf(bio_err,"DONE\n");
2090 if ((!c_ign_eof) && (cbuf[0] == 'R'))
2092 BIO_printf(bio_err,"RENEGOTIATING\n");
2093 SSL_renegotiate(con);
2096 #ifndef OPENSSL_NO_HEARTBEATS
2097 else if ((!c_ign_eof) && (cbuf[0] == 'B'))
2099 BIO_printf(bio_err,"HEARTBEATING\n");
2108 #ifdef CHARSET_EBCDIC
2109 ebcdic2ascii(cbuf, cbuf, i);
2121 print_stuff(bio_c_out,con,full_log);
2123 SHUTDOWN(SSL_get_fd(con));
2128 print_stuff(bio_c_out,con,1);
2131 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2132 if (next_proto.data)
2133 OPENSSL_free(next_proto.data);
2135 if (ctx != NULL) SSL_CTX_free(ctx);
2139 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2143 sk_X509_pop_free(chain, X509_free);
2147 X509_VERIFY_PARAM_free(vpm);
2148 ssl_excert_free(exc);
2150 sk_OPENSSL_STRING_free(ssl_args);
2152 SSL_CONF_CTX_free(cctx);
2153 #ifndef OPENSSL_NO_JPAKE
2154 if (jpake_secret && psk_key)
2155 OPENSSL_free(psk_key);
2157 if (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); }
2158 if (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); }
2159 if (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); }
2160 if (bio_c_out != NULL)
2162 BIO_free(bio_c_out);
2165 if (bio_c_msg != NULL)
2167 BIO_free(bio_c_msg);
2175 static void print_stuff(BIO *bio, SSL *s, int full)
2179 static const char *space=" ";
2182 STACK_OF(X509_NAME) *sk2;
2183 const SSL_CIPHER *c;
2186 #ifndef OPENSSL_NO_COMP
2187 const COMP_METHOD *comp, *expansion;
2189 unsigned char *exportedkeymat;
2193 int got_a_chain = 0;
2195 sk=SSL_get_peer_cert_chain(s);
2198 got_a_chain = 1; /* we don't have it for SSL2 (yet) */
2200 BIO_printf(bio,"---\nCertificate chain\n");
2201 for (i=0; i<sk_X509_num(sk); i++)
2203 X509_NAME_oneline(X509_get_subject_name(
2204 sk_X509_value(sk,i)),buf,sizeof buf);
2205 BIO_printf(bio,"%2d s:%s\n",i,buf);
2206 X509_NAME_oneline(X509_get_issuer_name(
2207 sk_X509_value(sk,i)),buf,sizeof buf);
2208 BIO_printf(bio," i:%s\n",buf);
2210 PEM_write_bio_X509(bio,sk_X509_value(sk,i));
2214 BIO_printf(bio,"---\n");
2215 peer=SSL_get_peer_certificate(s);
2218 BIO_printf(bio,"Server certificate\n");
2219 if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */
2220 PEM_write_bio_X509(bio,peer);
2221 X509_NAME_oneline(X509_get_subject_name(peer),
2223 BIO_printf(bio,"subject=%s\n",buf);
2224 X509_NAME_oneline(X509_get_issuer_name(peer),
2226 BIO_printf(bio,"issuer=%s\n",buf);
2229 BIO_printf(bio,"no peer certificate available\n");
2231 sk2=SSL_get_client_CA_list(s);
2232 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0))
2234 BIO_printf(bio,"---\nAcceptable client certificate CA names\n");
2235 for (i=0; i<sk_X509_NAME_num(sk2); i++)
2237 xn=sk_X509_NAME_value(sk2,i);
2238 X509_NAME_oneline(xn,buf,sizeof(buf));
2239 BIO_write(bio,buf,strlen(buf));
2240 BIO_write(bio,"\n",1);
2245 BIO_printf(bio,"---\nNo client certificate CA names sent\n");
2247 p=SSL_get_shared_ciphers(s,buf,sizeof buf);
2250 /* This works only for SSL 2. In later protocol
2251 * versions, the client does not know what other
2252 * ciphers (in addition to the one to be used
2253 * in the current connection) the server supports. */
2255 BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n");
2261 BIO_write(bio,space,15-j%25);
2264 BIO_write(bio,((i%3)?" ":"\n"),1);
2273 BIO_write(bio,"\n",1);
2276 ssl_print_sigalgs(bio, s);
2277 ssl_print_tmp_key(bio, s);
2279 BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n",
2280 BIO_number_read(SSL_get_rbio(s)),
2281 BIO_number_written(SSL_get_wbio(s)));
2283 BIO_printf(bio,(SSL_cache_hit(s)?"---\nReused, ":"---\nNew, "));
2284 c=SSL_get_current_cipher(s);
2285 BIO_printf(bio,"%s, Cipher is %s\n",
2286 SSL_CIPHER_get_version(c),
2287 SSL_CIPHER_get_name(c));
2290 pktmp = X509_get_pubkey(peer);
2291 BIO_printf(bio,"Server public key is %d bit\n",
2292 EVP_PKEY_bits(pktmp));
2293 EVP_PKEY_free(pktmp);
2295 BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
2296 SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
2297 #ifndef OPENSSL_NO_COMP
2298 comp=SSL_get_current_compression(s);
2299 expansion=SSL_get_current_expansion(s);
2300 BIO_printf(bio,"Compression: %s\n",
2301 comp ? SSL_COMP_get_name(comp) : "NONE");
2302 BIO_printf(bio,"Expansion: %s\n",
2303 expansion ? SSL_COMP_get_name(expansion) : "NONE");
2308 /* Print out local port of connection: useful for debugging */
2310 struct sockaddr_in ladd;
2311 socklen_t ladd_size = sizeof(ladd);
2312 sock = SSL_get_fd(s);
2313 getsockname(sock, (struct sockaddr *)&ladd, &ladd_size);
2314 BIO_printf(bio_c_out, "LOCAL PORT is %u\n", ntohs(ladd.sin_port));
2318 #if !defined(OPENSSL_NO_TLSEXT)
2319 # if !defined(OPENSSL_NO_NEXTPROTONEG)
2320 if (next_proto.status != -1) {
2321 const unsigned char *proto;
2322 unsigned int proto_len;
2323 SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
2324 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
2325 BIO_write(bio, proto, proto_len);
2326 BIO_write(bio, "\n", 1);
2330 const unsigned char *proto;
2331 unsigned int proto_len;
2332 SSL_get0_alpn_selected(s, &proto, &proto_len);
2335 BIO_printf(bio, "ALPN protocol: ");
2336 BIO_write(bio, proto, proto_len);
2337 BIO_write(bio, "\n", 1);
2340 BIO_printf(bio, "No ALPN negotiated\n");
2345 SRTP_PROTECTION_PROFILE *srtp_profile=SSL_get_selected_srtp_profile(s);
2348 BIO_printf(bio,"SRTP Extension negotiated, profile=%s\n",
2349 srtp_profile->name);
2352 SSL_SESSION_print(bio,SSL_get_session(s));
2353 if (keymatexportlabel != NULL)
2355 BIO_printf(bio, "Keying material exporter:\n");
2356 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel);
2357 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen);
2358 exportedkeymat = OPENSSL_malloc(keymatexportlen);
2359 if (exportedkeymat != NULL)
2361 if (!SSL_export_keying_material(s, exportedkeymat,
2364 strlen(keymatexportlabel),
2367 BIO_printf(bio, " Error\n");
2371 BIO_printf(bio, " Keying material: ");
2372 for (i=0; i<keymatexportlen; i++)
2373 BIO_printf(bio, "%02X",
2375 BIO_printf(bio, "\n");
2377 OPENSSL_free(exportedkeymat);
2380 BIO_printf(bio,"---\n");
2383 /* flush, or debugging output gets mixed with http response */
2384 (void)BIO_flush(bio);
2387 #ifndef OPENSSL_NO_TLSEXT
2389 static int ocsp_resp_cb(SSL *s, void *arg)
2391 const unsigned char *p;
2394 len = SSL_get_tlsext_status_ocsp_resp(s, &p);
2395 BIO_puts(arg, "OCSP response: ");
2398 BIO_puts(arg, "no response sent\n");
2401 rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
2404 BIO_puts(arg, "response parse error\n");
2405 BIO_dump_indent(arg, (char *)p, len, 4);
2408 BIO_puts(arg, "\n======================================\n");
2409 OCSP_RESPONSE_print(arg, rsp, 0);
2410 BIO_puts(arg, "======================================\n");
2411 OCSP_RESPONSE_free(rsp);