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 /*#define TEST_CERT "client.pem" */ /* no default cert. */
183 #define BUFSIZZ 1024*8
185 extern int verify_depth;
186 extern int verify_error;
187 extern int verify_return_error;
188 extern int verify_quiet;
193 static int c_Pause=0;
194 static int c_debug=0;
195 #ifndef OPENSSL_NO_TLSEXT
196 static int c_tlsextdebug=0;
197 static int c_status_req=0;
200 static int c_showcerts=0;
202 static char *keymatexportlabel=NULL;
203 static int keymatexportlen=20;
205 static void sc_usage(void);
206 static void print_stuff(BIO *berr,SSL *con,int full);
207 #ifndef OPENSSL_NO_TLSEXT
208 static int ocsp_resp_cb(SSL *s, void *arg);
210 static BIO *bio_c_out=NULL;
211 static BIO *bio_c_msg=NULL;
212 static int c_quiet=0;
213 static int c_ign_eof=0;
214 static int c_brief=0;
216 #ifndef OPENSSL_NO_PSK
217 /* Default PSK identity and key */
218 static char *psk_identity="Client_identity";
219 /*char *psk_key=NULL; by default PSK is not used */
221 static unsigned int psk_client_cb(SSL *ssl, const char *hint, char *identity,
222 unsigned int max_identity_len, unsigned char *psk,
223 unsigned int max_psk_len)
225 unsigned int psk_len = 0;
230 BIO_printf(bio_c_out, "psk_client_cb\n");
233 /* no ServerKeyExchange message*/
235 BIO_printf(bio_c_out,"NULL received PSK identity hint, continuing anyway\n");
238 BIO_printf(bio_c_out, "Received PSK identity hint '%s'\n", hint);
240 /* lookup PSK identity and PSK key based on the given identity hint here */
241 ret = BIO_snprintf(identity, max_identity_len, "%s", psk_identity);
242 if (ret < 0 || (unsigned int)ret > max_identity_len)
245 BIO_printf(bio_c_out, "created identity '%s' len=%d\n", identity, ret);
246 ret=BN_hex2bn(&bn, psk_key);
249 BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key);
255 if ((unsigned int)BN_num_bytes(bn) > max_psk_len)
257 BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n",
258 max_psk_len, BN_num_bytes(bn));
263 psk_len=BN_bn2bin(bn, psk);
269 BIO_printf(bio_c_out, "created PSK len=%d\n", psk_len);
274 BIO_printf(bio_err, "Error in PSK client callback\n");
279 static void sc_usage(void)
281 BIO_printf(bio_err,"usage: s_client args\n");
282 BIO_printf(bio_err,"\n");
283 BIO_printf(bio_err," -host host - use -connect instead\n");
284 BIO_printf(bio_err," -port port - use -connect instead\n");
285 BIO_printf(bio_err," -connect host:port - connect over TCP/IP (default is %s:%s)\n",SSL_HOST_NAME,PORT_STR);
286 BIO_printf(bio_err," -unix path - connect over unix domain sockets\n");
287 BIO_printf(bio_err," -verify arg - turn on peer certificate verification\n");
288 BIO_printf(bio_err," -verify_return_error - return verification errors\n");
289 BIO_printf(bio_err," -cert arg - certificate file to use, PEM format assumed\n");
290 BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
291 BIO_printf(bio_err," -key arg - Private key file to use, in cert file if\n");
292 BIO_printf(bio_err," not specified but cert file is.\n");
293 BIO_printf(bio_err," -keyform arg - key format (PEM or DER) PEM default\n");
294 BIO_printf(bio_err," -pass arg - private key file pass phrase source\n");
295 BIO_printf(bio_err," -CApath arg - PEM format directory of CA's\n");
296 BIO_printf(bio_err," -CAfile arg - PEM format file of CA's\n");
297 BIO_printf(bio_err," -trusted_first - Use local CA's first when building trust chain\n");
298 BIO_printf(bio_err," -reconnect - Drop and re-make the connection with the same Session-ID\n");
299 BIO_printf(bio_err," -pause - sleep(1) after each read(2) and write(2) system call\n");
300 BIO_printf(bio_err," -prexit - print session information even on connection failure\n");
301 BIO_printf(bio_err," -showcerts - show all certificates in the chain\n");
302 BIO_printf(bio_err," -debug - extra output\n");
304 BIO_printf(bio_err," -wdebug - WATT-32 tcp debugging\n");
306 BIO_printf(bio_err," -msg - Show protocol messages\n");
307 BIO_printf(bio_err," -nbio_test - more ssl protocol testing\n");
308 BIO_printf(bio_err," -state - print the 'ssl' states\n");
310 BIO_printf(bio_err," -nbio - Run with non-blocking IO\n");
312 BIO_printf(bio_err," -crlf - convert LF from terminal into CRLF\n");
313 BIO_printf(bio_err," -quiet - no s_client output\n");
314 BIO_printf(bio_err," -ign_eof - ignore input eof (default when -quiet)\n");
315 BIO_printf(bio_err," -no_ign_eof - don't ignore input eof\n");
316 #ifndef OPENSSL_NO_PSK
317 BIO_printf(bio_err," -psk_identity arg - PSK identity\n");
318 BIO_printf(bio_err," -psk arg - PSK in hex (without 0x)\n");
319 # ifndef OPENSSL_NO_JPAKE
320 BIO_printf(bio_err," -jpake arg - JPAKE secret to use\n");
323 #ifndef OPENSSL_NO_SRP
324 BIO_printf(bio_err," -srpuser user - SRP authentification for 'user'\n");
325 BIO_printf(bio_err," -srppass arg - password for 'user'\n");
326 BIO_printf(bio_err," -srp_lateuser - SRP username into second ClientHello message\n");
327 BIO_printf(bio_err," -srp_moregroups - Tolerate other than the known g N values.\n");
328 BIO_printf(bio_err," -srp_strength int - minimal length in bits for N (default %d).\n",SRP_MINIMAL_N);
330 #ifndef OPENSSL_NO_SSL3_METHOD
331 BIO_printf(bio_err," -ssl3 - just use SSLv3\n");
333 BIO_printf(bio_err," -tls1_2 - just use TLSv1.2\n");
334 BIO_printf(bio_err," -tls1_1 - just use TLSv1.1\n");
335 BIO_printf(bio_err," -tls1 - just use TLSv1\n");
336 BIO_printf(bio_err," -dtls1 - just use DTLSv1\n");
337 BIO_printf(bio_err," -fallback_scsv - send TLS_FALLBACK_SCSV\n");
338 BIO_printf(bio_err," -mtu - set the link layer MTU\n");
339 BIO_printf(bio_err," -no_tls1_2/-no_tls1_1/-no_tls1/-no_ssl3 - turn off that protocol\n");
340 BIO_printf(bio_err," -bugs - Switch on all SSL implementation bug workarounds\n");
341 BIO_printf(bio_err," -cipher - preferred cipher to use, use the 'openssl ciphers'\n");
342 BIO_printf(bio_err," command to see what is available\n");
343 BIO_printf(bio_err," -starttls prot - use the STARTTLS command before starting TLS\n");
344 BIO_printf(bio_err," for those protocols that support it, where\n");
345 BIO_printf(bio_err," 'prot' defines which one to assume. Currently,\n");
346 BIO_printf(bio_err," only \"smtp\", \"pop3\", \"imap\", \"ftp\" and \"xmpp\"\n");
347 BIO_printf(bio_err," are supported.\n");
348 BIO_printf(bio_err," -xmpphost host - When used with \"-starttls xmpp\" specifies the virtual host.\n");
349 #ifndef OPENSSL_NO_ENGINE
350 BIO_printf(bio_err," -engine id - Initialise and use the specified engine\n");
352 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
353 BIO_printf(bio_err," -sess_out arg - file to write SSL session to\n");
354 BIO_printf(bio_err," -sess_in arg - file to read SSL session from\n");
355 #ifndef OPENSSL_NO_TLSEXT
356 BIO_printf(bio_err," -servername host - Set TLS extension servername in ClientHello\n");
357 BIO_printf(bio_err," -tlsextdebug - hex dump of all TLS extensions received\n");
358 BIO_printf(bio_err," -status - request certificate status from server\n");
359 BIO_printf(bio_err," -no_ticket - disable use of RFC4507bis session tickets\n");
360 BIO_printf(bio_err," -serverinfo types - send empty ClientHello extensions (comma-separated numbers)\n");
361 # ifndef OPENSSL_NO_NEXTPROTONEG
362 BIO_printf(bio_err," -nextprotoneg arg - enable NPN extension, considering named protocols supported (comma-separated list)\n");
364 BIO_printf(bio_err," -alpn arg - enable ALPN extension, considering named protocols supported (comma-separated list)\n");
366 BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
367 #ifndef OPENSSL_NO_SRTP
368 BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
370 BIO_printf(bio_err," -keymatexport label - Export keying material using label\n");
371 BIO_printf(bio_err," -keymatexportlen len - Export len bytes of keying material (default 20)\n");
374 #ifndef OPENSSL_NO_TLSEXT
376 /* This is a context that we pass to callbacks */
377 typedef struct tlsextctx_st {
383 static int ssl_servername_cb(SSL *s, int *ad, void *arg)
385 tlsextctx * p = (tlsextctx *) arg;
386 const char * hn= SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
387 if (SSL_get_servername_type(s) != -1)
388 p->ack = !SSL_session_reused(s) && hn != NULL;
390 BIO_printf(bio_err,"Can't use SSL_get_servername\n");
392 return SSL_TLSEXT_ERR_OK;
395 #ifndef OPENSSL_NO_SRP
397 /* This is a context that we pass to all callbacks */
398 typedef struct srp_arg_st
402 int msg; /* copy from c_msg */
403 int debug; /* copy from c_debug */
404 int amp; /* allow more groups */
405 int strength /* minimal size for N */ ;
408 #define SRP_NUMBER_ITERATIONS_FOR_PRIME 64
410 static int srp_Verify_N_and_g(const BIGNUM *N, const BIGNUM *g)
412 BN_CTX *bn_ctx = BN_CTX_new();
413 BIGNUM *p = BN_new();
414 BIGNUM *r = BN_new();
416 g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) &&
417 BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
418 p != NULL && BN_rshift1(p, N) &&
421 BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
424 /* verify g^((N-1)/2) == -1 (mod N) */
425 BN_mod_exp(r, g, p, N, bn_ctx) &&
439 * This callback is used here for two purposes:
440 * - extended debugging
441 * - making some primality tests for unknown groups
442 * The callback is only called for a non default group.
444 * An application does not need the call back at all if
445 * only the stanard groups are used. In real life situations,
446 * client and server already share well known groups,
447 * thus there is no need to verify them.
448 * Furthermore, in case that a server actually proposes a group that
449 * is not one of those defined in RFC 5054, it is more appropriate
450 * to add the group to a static list and then compare since
451 * primality tests are rather cpu consuming.
454 static int ssl_srp_verify_param_cb(SSL *s, void *arg)
456 SRP_ARG *srp_arg = (SRP_ARG *)arg;
457 BIGNUM *N = NULL, *g = NULL;
458 if (!(N = SSL_get_srp_N(s)) || !(g = SSL_get_srp_g(s)))
460 if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1)
462 BIO_printf(bio_err, "SRP parameters:\n");
463 BIO_printf(bio_err,"\tN="); BN_print(bio_err,N);
464 BIO_printf(bio_err,"\n\tg="); BN_print(bio_err,g);
465 BIO_printf(bio_err,"\n");
468 if (SRP_check_known_gN_param(g,N))
471 if (srp_arg->amp == 1)
474 BIO_printf(bio_err, "SRP param N and g are not known params, going to check deeper.\n");
476 /* The srp_moregroups is a real debugging feature.
477 Implementors should rather add the value to the known ones.
478 The minimal size has already been tested.
480 if (BN_num_bits(g) <= BN_BITS && srp_Verify_N_and_g(N,g))
483 BIO_printf(bio_err, "SRP param N and g rejected.\n");
487 #define PWD_STRLEN 1024
489 static char * ssl_give_srp_client_pwd_cb(SSL *s, void *arg)
491 SRP_ARG *srp_arg = (SRP_ARG *)arg;
492 char *pass = (char *)OPENSSL_malloc(PWD_STRLEN+1);
496 cb_tmp.password = (char *)srp_arg->srppassin;
497 cb_tmp.prompt_info = "SRP user";
498 if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp))<0)
500 BIO_printf (bio_err, "Can't read Password\n");
510 #ifndef OPENSSL_NO_SRTP
511 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_parse_cb(SSL* s, unsigned int ext_type,
549 const unsigned char* in, size_t 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)
632 #ifndef OPENSSL_NO_TLSEXT
633 char *servername = NULL;
634 tlsextctx tlsextcbp =
636 # ifndef OPENSSL_NO_NEXTPROTONEG
637 const char *next_proto_neg_in = NULL;
639 const char *alpn_in = NULL;
640 # define MAX_SI_TYPES 100
641 unsigned short serverinfo_types[MAX_SI_TYPES];
642 int serverinfo_types_count = 0;
644 char *sess_in = NULL;
645 char *sess_out = NULL;
646 struct sockaddr peer;
647 int peerlen = sizeof(peer);
648 int fallback_scsv = 0;
649 int enable_timeouts = 0 ;
651 #ifndef OPENSSL_NO_JPAKE
652 static char *jpake_secret = NULL;
653 #define no_jpake !jpake_secret
657 #ifndef OPENSSL_NO_SRP
658 char * srppass = NULL;
659 int srp_lateuser = 0;
660 SRP_ARG srp_arg = {NULL,NULL,0,0,0,1024};
662 SSL_EXCERT *exc = NULL;
664 SSL_CONF_CTX *cctx = NULL;
665 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
667 char *crl_file = NULL;
668 int crl_format = FORMAT_PEM;
669 int crl_download = 0;
670 STACK_OF(X509_CRL) *crls = NULL;
673 meth=SSLv23_client_method();
684 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
686 if (!load_config(bio_err, NULL))
688 cctx = SSL_CONF_CTX_new();
691 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT);
692 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CMDLINE);
694 if ( ((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
695 ((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
696 ((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL))
698 BIO_printf(bio_err,"out of memory\n");
703 verify_error=X509_V_OK;
712 if (strcmp(*argv,"-host") == 0)
714 if (--argc < 1) goto bad;
717 else if (strcmp(*argv,"-port") == 0)
719 if (--argc < 1) goto bad;
720 port=atoi(*(++argv));
721 if (port == 0) goto bad;
723 else if (strcmp(*argv,"-connect") == 0)
725 if (--argc < 1) goto bad;
726 if (!extract_host_port(*(++argv),&host,NULL,&port))
729 else if (strcmp(*argv,"-unix") == 0)
731 if (--argc < 1) goto bad;
732 unix_path = *(++argv);
734 else if (strcmp(*argv,"-xmpphost") == 0)
736 if (--argc < 1) goto bad;
739 else if (strcmp(*argv,"-verify") == 0)
741 verify=SSL_VERIFY_PEER;
742 if (--argc < 1) goto bad;
743 verify_depth=atoi(*(++argv));
745 BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
747 else if (strcmp(*argv,"-cert") == 0)
749 if (--argc < 1) goto bad;
750 cert_file= *(++argv);
752 else if (strcmp(*argv,"-CRL") == 0)
754 if (--argc < 1) goto bad;
757 else if (strcmp(*argv,"-crl_download") == 0)
759 else if (strcmp(*argv,"-sess_out") == 0)
761 if (--argc < 1) goto bad;
762 sess_out = *(++argv);
764 else if (strcmp(*argv,"-sess_in") == 0)
766 if (--argc < 1) goto bad;
769 else if (strcmp(*argv,"-certform") == 0)
771 if (--argc < 1) goto bad;
772 cert_format = str2fmt(*(++argv));
774 else if (strcmp(*argv,"-CRLform") == 0)
776 if (--argc < 1) goto bad;
777 crl_format = str2fmt(*(++argv));
779 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
785 else if (strcmp(*argv,"-verify_return_error") == 0)
786 verify_return_error = 1;
787 else if (strcmp(*argv,"-verify_quiet") == 0)
789 else if (strcmp(*argv,"-brief") == 0)
795 else if (args_excert(&argv, &argc, &badarg, bio_err, &exc))
801 else if (args_ssl(&argv, &argc, cctx, &badarg, bio_err, &ssl_args))
807 else if (strcmp(*argv,"-prexit") == 0)
809 else if (strcmp(*argv,"-crlf") == 0)
811 else if (strcmp(*argv,"-quiet") == 0)
816 else if (strcmp(*argv,"-ign_eof") == 0)
818 else if (strcmp(*argv,"-no_ign_eof") == 0)
820 else if (strcmp(*argv,"-pause") == 0)
822 else if (strcmp(*argv,"-debug") == 0)
824 #ifndef OPENSSL_NO_TLSEXT
825 else if (strcmp(*argv,"-tlsextdebug") == 0)
827 else if (strcmp(*argv,"-status") == 0)
831 else if (strcmp(*argv,"-wdebug") == 0)
834 else if (strcmp(*argv,"-msg") == 0)
836 else if (strcmp(*argv,"-msgfile") == 0)
838 if (--argc < 1) goto bad;
839 bio_c_msg = BIO_new_file(*(++argv), "w");
841 #ifndef OPENSSL_NO_SSL_TRACE
842 else if (strcmp(*argv,"-trace") == 0)
845 else if (strcmp(*argv,"-security_debug") == 0)
847 else if (strcmp(*argv,"-security_debug_verbose") == 0)
849 else if (strcmp(*argv,"-showcerts") == 0)
851 else if (strcmp(*argv,"-nbio_test") == 0)
853 else if (strcmp(*argv,"-state") == 0)
855 #ifndef OPENSSL_NO_PSK
856 else if (strcmp(*argv,"-psk_identity") == 0)
858 if (--argc < 1) goto bad;
859 psk_identity=*(++argv);
861 else if (strcmp(*argv,"-psk") == 0)
865 if (--argc < 1) goto bad;
867 for (j = 0; j < strlen(psk_key); j++)
869 if (isxdigit((unsigned char)psk_key[j]))
871 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
876 #ifndef OPENSSL_NO_SRP
877 else if (strcmp(*argv,"-srpuser") == 0)
879 if (--argc < 1) goto bad;
880 srp_arg.srplogin= *(++argv);
881 meth=TLSv1_client_method();
883 else if (strcmp(*argv,"-srppass") == 0)
885 if (--argc < 1) goto bad;
887 meth=TLSv1_client_method();
889 else if (strcmp(*argv,"-srp_strength") == 0)
891 if (--argc < 1) goto bad;
892 srp_arg.strength=atoi(*(++argv));
893 BIO_printf(bio_err,"SRP minimal length for N is %d\n",srp_arg.strength);
894 meth=TLSv1_client_method();
896 else if (strcmp(*argv,"-srp_lateuser") == 0)
899 meth=TLSv1_client_method();
901 else if (strcmp(*argv,"-srp_moregroups") == 0)
904 meth=TLSv1_client_method();
907 #ifndef OPENSSL_NO_SSL3_METHOD
908 else if (strcmp(*argv,"-ssl3") == 0)
909 meth=SSLv3_client_method();
911 #ifndef OPENSSL_NO_TLS1
912 else if (strcmp(*argv,"-tls1_2") == 0)
913 meth=TLSv1_2_client_method();
914 else if (strcmp(*argv,"-tls1_1") == 0)
915 meth=TLSv1_1_client_method();
916 else if (strcmp(*argv,"-tls1") == 0)
917 meth=TLSv1_client_method();
919 #ifndef OPENSSL_NO_DTLS1
920 else if (strcmp(*argv,"-dtls") == 0)
922 meth=DTLS_client_method();
923 socket_type=SOCK_DGRAM;
925 else if (strcmp(*argv,"-dtls1") == 0)
927 meth=DTLSv1_client_method();
928 socket_type=SOCK_DGRAM;
930 else if (strcmp(*argv,"-dtls1_2") == 0)
932 meth=DTLSv1_2_client_method();
933 socket_type=SOCK_DGRAM;
935 else if (strcmp(*argv,"-timeout") == 0)
937 else if (strcmp(*argv,"-mtu") == 0)
939 if (--argc < 1) goto bad;
940 socket_mtu = atol(*(++argv));
943 else if (strcmp(*argv,"-fallback_scsv") == 0)
947 else if (strcmp(*argv,"-keyform") == 0)
949 if (--argc < 1) goto bad;
950 key_format = str2fmt(*(++argv));
952 else if (strcmp(*argv,"-pass") == 0)
954 if (--argc < 1) goto bad;
957 else if (strcmp(*argv,"-cert_chain") == 0)
959 if (--argc < 1) goto bad;
960 chain_file= *(++argv);
962 else if (strcmp(*argv,"-key") == 0)
964 if (--argc < 1) goto bad;
967 else if (strcmp(*argv,"-reconnect") == 0)
971 else if (strcmp(*argv,"-CApath") == 0)
973 if (--argc < 1) goto bad;
976 else if (strcmp(*argv,"-chainCApath") == 0)
978 if (--argc < 1) goto bad;
981 else if (strcmp(*argv,"-verifyCApath") == 0)
983 if (--argc < 1) goto bad;
984 vfyCApath= *(++argv);
986 else if (strcmp(*argv,"-build_chain") == 0)
988 else if (strcmp(*argv,"-CAfile") == 0)
990 if (--argc < 1) goto bad;
993 else if (strcmp(*argv,"-chainCAfile") == 0)
995 if (--argc < 1) goto bad;
998 else if (strcmp(*argv,"-verifyCAfile") == 0)
1000 if (--argc < 1) goto bad;
1001 vfyCAfile= *(++argv);
1003 #ifndef OPENSSL_NO_TLSEXT
1004 # ifndef OPENSSL_NO_NEXTPROTONEG
1005 else if (strcmp(*argv,"-nextprotoneg") == 0)
1007 if (--argc < 1) goto bad;
1008 next_proto_neg_in = *(++argv);
1011 else if (strcmp(*argv,"-alpn") == 0)
1013 if (--argc < 1) goto bad;
1014 alpn_in = *(++argv);
1016 else if (strcmp(*argv,"-serverinfo") == 0)
1022 if (--argc < 1) goto bad;
1024 serverinfo_types_count = 0;
1026 for (i = 0; i <= len; ++i)
1028 if (i == len || c[i] == ',')
1030 serverinfo_types[serverinfo_types_count]
1032 serverinfo_types_count++;
1035 if (serverinfo_types_count == MAX_SI_TYPES)
1041 else if (strcmp(*argv,"-nbio") == 0)
1044 else if (strcmp(*argv,"-starttls") == 0)
1046 if (--argc < 1) goto bad;
1048 if (strcmp(*argv,"smtp") == 0)
1049 starttls_proto = PROTO_SMTP;
1050 else if (strcmp(*argv,"pop3") == 0)
1051 starttls_proto = PROTO_POP3;
1052 else if (strcmp(*argv,"imap") == 0)
1053 starttls_proto = PROTO_IMAP;
1054 else if (strcmp(*argv,"ftp") == 0)
1055 starttls_proto = PROTO_FTP;
1056 else if (strcmp(*argv, "xmpp") == 0)
1057 starttls_proto = PROTO_XMPP;
1061 #ifndef OPENSSL_NO_ENGINE
1062 else if (strcmp(*argv,"-engine") == 0)
1064 if (--argc < 1) goto bad;
1065 engine_id = *(++argv);
1067 else if (strcmp(*argv,"-ssl_client_engine") == 0)
1069 if (--argc < 1) goto bad;
1070 ssl_client_engine_id = *(++argv);
1073 else if (strcmp(*argv,"-rand") == 0)
1075 if (--argc < 1) goto bad;
1078 #ifndef OPENSSL_NO_TLSEXT
1079 else if (strcmp(*argv,"-servername") == 0)
1081 if (--argc < 1) goto bad;
1082 servername= *(++argv);
1083 /* meth=TLSv1_client_method(); */
1086 #ifndef OPENSSL_NO_JPAKE
1087 else if (strcmp(*argv,"-jpake") == 0)
1089 if (--argc < 1) goto bad;
1090 jpake_secret = *++argv;
1093 #ifndef OPENSSL_NO_SRTP
1094 else if (strcmp(*argv,"-use_srtp") == 0)
1096 if (--argc < 1) goto bad;
1097 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);
1330 #ifndef OPENSSL_NO_SRTP
1331 if (srtp_profiles != NULL)
1332 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1334 if (exc) ssl_ctx_set_excert(ctx, exc);
1335 /* DTLS: partial reads end up discarding unread UDP bytes :-(
1336 * Setting read ahead solves this problem.
1338 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1340 #if !defined(OPENSSL_NO_TLSEXT)
1341 # if !defined(OPENSSL_NO_NEXTPROTONEG)
1342 if (next_proto.data)
1343 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
1347 unsigned short alpn_len;
1348 unsigned char *alpn = next_protos_parse(&alpn_len, alpn_in);
1352 BIO_printf(bio_err, "Error parsing -alpn argument\n");
1355 SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len);
1359 #ifndef OPENSSL_NO_TLSEXT
1360 for (i = 0; i < serverinfo_types_count; i++)
1362 SSL_CTX_add_client_custom_ext(ctx,
1363 serverinfo_types[i],
1365 serverinfo_cli_parse_cb,
1370 if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1373 SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER"));
1376 SSL_CTX_set_verify(ctx,verify,verify_callback);
1378 if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
1379 (!SSL_CTX_set_default_verify_paths(ctx)))
1381 /* BIO_printf(bio_err,"error setting default verify locations\n"); */
1382 ERR_print_errors(bio_err);
1386 ssl_ctx_add_crls(ctx, crls, crl_download);
1388 if (!set_cert_key_stuff(ctx,cert,key,chain,build_chain))
1391 #ifndef OPENSSL_NO_TLSEXT
1392 if (servername != NULL)
1394 tlsextcbp.biodebug = bio_err;
1395 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1396 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1398 #ifndef OPENSSL_NO_SRP
1399 if (srp_arg.srplogin)
1401 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin))
1403 BIO_printf(bio_err,"Unable to set SRP username\n");
1406 srp_arg.msg = c_msg;
1407 srp_arg.debug = c_debug ;
1408 SSL_CTX_set_srp_cb_arg(ctx,&srp_arg);
1409 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb);
1410 SSL_CTX_set_srp_strength(ctx, srp_arg.strength);
1411 if (c_msg || c_debug || srp_arg.amp == 0)
1412 SSL_CTX_set_srp_verify_param_callback(ctx, ssl_srp_verify_param_cb);
1422 BIO *stmp = BIO_new_file(sess_in, "r");
1425 BIO_printf(bio_err, "Can't open session file %s\n",
1427 ERR_print_errors(bio_err);
1430 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1434 BIO_printf(bio_err, "Can't open session file %s\n",
1436 ERR_print_errors(bio_err);
1439 SSL_set_session(con, sess);
1440 SSL_SESSION_free(sess);
1444 SSL_set_mode(con, SSL_MODE_SEND_FALLBACK_SCSV);
1446 #ifndef OPENSSL_NO_TLSEXT
1447 if (servername != NULL)
1449 if (!SSL_set_tlsext_host_name(con,servername))
1451 BIO_printf(bio_err,"Unable to set TLS servername extension.\n");
1452 ERR_print_errors(bio_err);
1457 #ifndef OPENSSL_NO_KRB5
1458 if (con && (kctx = kssl_ctx_new()) != NULL)
1460 SSL_set0_kssl_ctx(con, kctx);
1461 kssl_ctx_setstring(kctx, KSSL_SERVER, host);
1463 #endif /* OPENSSL_NO_KRB5 */
1464 /* SSL_set_cipher_list(con,"RC4-MD5"); */
1466 #ifdef TLSEXT_TYPE_opaque_prf_input
1467 SSL_set_tlsext_opaque_prf_input(con, "Test client", 11);
1473 if (init_client(&s,host,port,socket_type) == 0)
1475 if ((!unix_path && (init_client(&s,host,port,socket_type) == 0)) ||
1476 (unix_path && (init_client_unix(&s,unix_path) == 0)))
1479 BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error());
1483 BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s);
1489 BIO_printf(bio_c_out,"turning on non blocking io\n");
1490 if (BIO_socket_ioctl(s,FIONBIO,&l) < 0)
1492 ERR_print_errors(bio_err);
1497 if (c_Pause & 0x01) SSL_set_debug(con, 1);
1499 if (socket_type == SOCK_DGRAM)
1502 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
1503 if (getsockname(s, &peer, (void *)&peerlen) < 0)
1505 BIO_printf(bio_err, "getsockname:errno=%d\n",
1506 get_last_socket_error());
1511 (void)BIO_ctrl_set_connected(sbio, 1, &peer);
1513 if (enable_timeouts)
1516 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1517 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1520 timeout.tv_usec = DGRAM_SND_TIMEOUT;
1521 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1526 if(socket_mtu < DTLS_get_link_min_mtu(con))
1528 BIO_printf(bio_err,"MTU too small. Must be at least %ld\n",
1529 DTLS_get_link_min_mtu(con));
1533 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1534 if(!DTLS_set_link_mtu(con, socket_mtu))
1536 BIO_printf(bio_err, "Failed to set MTU\n");
1542 /* want to do MTU discovery */
1543 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1546 sbio=BIO_new_socket(s,BIO_NOCLOSE);
1552 test=BIO_new(BIO_f_nbio_test());
1553 sbio=BIO_push(test,sbio);
1558 SSL_set_debug(con, 1);
1559 BIO_set_callback(sbio,bio_dump_callback);
1560 BIO_set_callback_arg(sbio,(char *)bio_c_out);
1564 #ifndef OPENSSL_NO_SSL_TRACE
1566 SSL_set_msg_callback(con, SSL_trace);
1569 SSL_set_msg_callback(con, msg_cb);
1570 SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out);
1572 #ifndef OPENSSL_NO_TLSEXT
1575 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1576 SSL_set_tlsext_debug_arg(con, bio_c_out);
1580 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
1581 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
1582 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
1585 STACK_OF(OCSP_RESPID) *ids = sk_OCSP_RESPID_new_null();
1586 OCSP_RESPID *id = OCSP_RESPID_new();
1587 id->value.byKey = ASN1_OCTET_STRING_new();
1588 id->type = V_OCSP_RESPID_KEY;
1589 ASN1_STRING_set(id->value.byKey, "Hello World", -1);
1590 sk_OCSP_RESPID_push(ids, id);
1591 SSL_set_tlsext_status_ids(con, ids);
1596 #ifndef OPENSSL_NO_JPAKE
1598 jpake_client_auth(bio_c_out, sbio, jpake_secret);
1601 SSL_set_bio(con,sbio,sbio);
1602 SSL_set_connect_state(con);
1604 /* ok, lets connect */
1605 width=SSL_get_fd(con)+1;
1618 /* This is an ugly hack that does a lot of assumptions */
1619 /* We do have to handle multi-line responses which may come
1620 in a single packet or not. We therefore have to use
1621 BIO_gets() which does need a buffering BIO. So during
1622 the initial chitchat we do push a buffering BIO into the
1623 chain that is removed again later on to not disturb the
1624 rest of the s_client operation. */
1625 if (starttls_proto == PROTO_SMTP)
1628 BIO *fbio = BIO_new(BIO_f_buffer());
1629 BIO_push(fbio, sbio);
1630 /* wait for multi-line response to end from SMTP */
1633 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1635 while (mbuf_len>3 && mbuf[3]=='-');
1636 /* STARTTLS command requires EHLO... */
1637 BIO_printf(fbio,"EHLO openssl.client.net\r\n");
1638 (void)BIO_flush(fbio);
1639 /* wait for multi-line response to end EHLO SMTP response */
1642 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1643 if (strstr(mbuf,"STARTTLS"))
1646 while (mbuf_len>3 && mbuf[3]=='-');
1647 (void)BIO_flush(fbio);
1652 "didn't found starttls in server response,"
1653 " try anyway...\n");
1654 BIO_printf(sbio,"STARTTLS\r\n");
1655 BIO_read(sbio,sbuf,BUFSIZZ);
1657 else if (starttls_proto == PROTO_POP3)
1659 BIO_read(sbio,mbuf,BUFSIZZ);
1660 BIO_printf(sbio,"STLS\r\n");
1661 BIO_read(sbio,sbuf,BUFSIZZ);
1663 else if (starttls_proto == PROTO_IMAP)
1666 BIO *fbio = BIO_new(BIO_f_buffer());
1667 BIO_push(fbio, sbio);
1668 BIO_gets(fbio,mbuf,BUFSIZZ);
1669 /* STARTTLS command requires CAPABILITY... */
1670 BIO_printf(fbio,". CAPABILITY\r\n");
1671 (void)BIO_flush(fbio);
1672 /* wait for multi-line CAPABILITY response */
1675 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1676 if (strstr(mbuf,"STARTTLS"))
1679 while (mbuf_len>3 && mbuf[0]!='.');
1680 (void)BIO_flush(fbio);
1685 "didn't found STARTTLS in server response,"
1686 " try anyway...\n");
1687 BIO_printf(sbio,". STARTTLS\r\n");
1688 BIO_read(sbio,sbuf,BUFSIZZ);
1690 else if (starttls_proto == PROTO_FTP)
1692 BIO *fbio = BIO_new(BIO_f_buffer());
1693 BIO_push(fbio, sbio);
1694 /* wait for multi-line response to end from FTP */
1697 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1699 while (mbuf_len>3 && mbuf[3]=='-');
1700 (void)BIO_flush(fbio);
1703 BIO_printf(sbio,"AUTH TLS\r\n");
1704 BIO_read(sbio,sbuf,BUFSIZZ);
1706 if (starttls_proto == PROTO_XMPP)
1709 BIO_printf(sbio,"<stream:stream "
1710 "xmlns:stream='http://etherx.jabber.org/streams' "
1711 "xmlns='jabber:client' to='%s' version='1.0'>", xmpphost ?
1713 seen = BIO_read(sbio,mbuf,BUFSIZZ);
1715 while (!strstr(mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'") &&
1716 !strstr(mbuf, "<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\""))
1718 seen = BIO_read(sbio,mbuf,BUFSIZZ);
1725 BIO_printf(sbio, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
1726 seen = BIO_read(sbio,sbuf,BUFSIZZ);
1728 if (!strstr(sbuf, "<proceed"))
1738 if ((SSL_version(con) == DTLS1_VERSION) &&
1739 DTLSv1_get_timeout(con, &timeout))
1740 timeoutp = &timeout;
1744 if (SSL_in_init(con) && !SSL_total_renegotiations(con))
1755 #if 0 /* This test doesn't really work as intended (needs to be fixed) */
1756 #ifndef OPENSSL_NO_TLSEXT
1757 if (servername != NULL && !SSL_session_reused(con))
1759 BIO_printf(bio_c_out,"Server did %sacknowledge servername extension.\n",tlsextcbp.ack?"":"not ");
1765 BIO *stmp = BIO_new_file(sess_out, "w");
1768 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));
1772 BIO_printf(bio_err, "Error writing session file %s\n", sess_out);
1777 "CONNECTION ESTABLISHED\n");
1778 print_ssl_summary(bio_err, con);
1781 print_stuff(bio_c_out,con,full_log);
1782 if (full_log > 0) full_log--;
1786 BIO_printf(bio_err,"%s",mbuf);
1787 /* We don't need to know any more */
1788 starttls_proto = PROTO_OFF;
1794 BIO_printf(bio_c_out,"drop connection and then reconnect\n");
1796 SSL_set_connect_state(con);
1797 SHUTDOWN(SSL_get_fd(con));
1803 ssl_pending = read_ssl && SSL_pending(con);
1807 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE)
1810 if (read_tty) openssl_fdset(fileno(stdin),&readfds);
1811 if (write_tty) openssl_fdset(fileno(stdout),&writefds);
1814 openssl_fdset(SSL_get_fd(con),&readfds);
1816 openssl_fdset(SSL_get_fd(con),&writefds);
1818 if(!tty_on || !write_tty) {
1820 openssl_fdset(SSL_get_fd(con),&readfds);
1822 openssl_fdset(SSL_get_fd(con),&writefds);
1825 /*- printf("mode tty(%d %d%d) ssl(%d%d)\n",
1826 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
1828 /* Note: under VMS with SOCKETSHR the second parameter
1829 * is currently of type (int *) whereas under other
1830 * systems it is (void *) if you don't have a cast it
1831 * will choke the compiler: if you do have a cast then
1832 * you can either go for (int *) or (void *).
1834 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1835 /* Under Windows/DOS we make the assumption that we can
1836 * always write to the tty: therefore if we need to
1837 * write to the tty we just fall through. Otherwise
1838 * we timeout the select every second and see if there
1839 * are any keypresses. Note: this is a hack, in a proper
1840 * Windows application we wouldn't do this.
1847 i=select(width,(void *)&readfds,(void *)&writefds,
1849 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1850 if(!i && (!_kbhit() || !read_tty) ) continue;
1852 if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue;
1854 } else i=select(width,(void *)&readfds,(void *)&writefds,
1857 #elif defined(OPENSSL_SYS_NETWARE)
1862 i=select(width,(void *)&readfds,(void *)&writefds,
1864 } else i=select(width,(void *)&readfds,(void *)&writefds,
1868 i=select(width,(void *)&readfds,(void *)&writefds,
1873 BIO_printf(bio_err,"bad select %d\n",
1874 get_last_socket_error());
1880 if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
1882 BIO_printf(bio_err,"TIMEOUT occurred\n");
1885 if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds))
1887 k=SSL_write(con,&(cbuf[cbuf_off]),
1888 (unsigned int)cbuf_len);
1889 switch (SSL_get_error(con,k))
1891 case SSL_ERROR_NONE:
1894 if (k <= 0) goto end;
1895 /* we have done a write(con,NULL,0); */
1901 else /* if (cbuf_len > 0) */
1907 case SSL_ERROR_WANT_WRITE:
1908 BIO_printf(bio_c_out,"write W BLOCK\n");
1912 case SSL_ERROR_WANT_READ:
1913 BIO_printf(bio_c_out,"write R BLOCK\n");
1918 case SSL_ERROR_WANT_X509_LOOKUP:
1919 BIO_printf(bio_c_out,"write X BLOCK\n");
1921 case SSL_ERROR_ZERO_RETURN:
1924 BIO_printf(bio_c_out,"shutdown\n");
1935 case SSL_ERROR_SYSCALL:
1936 if ((k != 0) || (cbuf_len != 0))
1938 BIO_printf(bio_err,"write:errno=%d\n",
1939 get_last_socket_error());
1949 ERR_print_errors(bio_err);
1953 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
1954 /* Assume Windows/DOS/BeOS can always write */
1955 else if (!ssl_pending && write_tty)
1957 else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds))
1960 #ifdef CHARSET_EBCDIC
1961 ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len);
1963 i=raw_write_stdout(&(sbuf[sbuf_off]),sbuf_len);
1967 BIO_printf(bio_c_out,"DONE\n");
1981 else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds))
1984 { static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } }
1987 k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ );
1989 /* Demo for pending and peek :-) */
1990 k=SSL_read(con,sbuf,16);
1992 printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240));
1996 switch (SSL_get_error(con,k))
1998 case SSL_ERROR_NONE:
2007 case SSL_ERROR_WANT_WRITE:
2008 BIO_printf(bio_c_out,"read W BLOCK\n");
2012 case SSL_ERROR_WANT_READ:
2013 BIO_printf(bio_c_out,"read R BLOCK\n");
2016 if ((read_tty == 0) && (write_ssl == 0))
2019 case SSL_ERROR_WANT_X509_LOOKUP:
2020 BIO_printf(bio_c_out,"read X BLOCK\n");
2022 case SSL_ERROR_SYSCALL:
2023 ret=get_last_socket_error();
2025 BIO_puts(bio_err, "CONNECTION CLOSED BY SERVER\n");
2027 BIO_printf(bio_err,"read:errno=%d\n",ret);
2029 case SSL_ERROR_ZERO_RETURN:
2030 BIO_printf(bio_c_out,"closed\n");
2034 ERR_print_errors(bio_err);
2040 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2041 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
2044 else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
2046 #elif defined (OPENSSL_SYS_NETWARE)
2049 else if (FD_ISSET(fileno(stdin),&readfds))
2056 i=raw_read_stdin(cbuf,BUFSIZZ/2);
2058 /* both loops are skipped when i <= 0 */
2059 for (j = 0; j < i; j++)
2060 if (cbuf[j] == '\n')
2062 for (j = i-1; j >= 0; j--)
2064 cbuf[j+lf_num] = cbuf[j];
2065 if (cbuf[j] == '\n')
2069 cbuf[j+lf_num] = '\r';
2072 assert(lf_num == 0);
2075 i=raw_read_stdin(cbuf,BUFSIZZ);
2077 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q')))
2079 BIO_printf(bio_err,"DONE\n");
2084 if ((!c_ign_eof) && (cbuf[0] == 'R'))
2086 BIO_printf(bio_err,"RENEGOTIATING\n");
2087 SSL_renegotiate(con);
2090 #ifndef OPENSSL_NO_HEARTBEATS
2091 else if ((!c_ign_eof) && (cbuf[0] == 'B'))
2093 BIO_printf(bio_err,"HEARTBEATING\n");
2102 #ifdef CHARSET_EBCDIC
2103 ebcdic2ascii(cbuf, cbuf, i);
2115 print_stuff(bio_c_out,con,full_log);
2117 SHUTDOWN(SSL_get_fd(con));
2122 print_stuff(bio_c_out,con,1);
2125 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2126 if (next_proto.data)
2127 OPENSSL_free(next_proto.data);
2129 if (ctx != NULL) SSL_CTX_free(ctx);
2133 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2137 sk_X509_pop_free(chain, X509_free);
2141 X509_VERIFY_PARAM_free(vpm);
2142 ssl_excert_free(exc);
2144 sk_OPENSSL_STRING_free(ssl_args);
2146 SSL_CONF_CTX_free(cctx);
2147 #ifndef OPENSSL_NO_JPAKE
2148 if (jpake_secret && psk_key)
2149 OPENSSL_free(psk_key);
2151 if (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); }
2152 if (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); }
2153 if (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); }
2154 if (bio_c_out != NULL)
2156 BIO_free(bio_c_out);
2159 if (bio_c_msg != NULL)
2161 BIO_free(bio_c_msg);
2169 static void print_stuff(BIO *bio, SSL *s, int full)
2174 STACK_OF(X509_NAME) *sk2;
2175 const SSL_CIPHER *c;
2178 #ifndef OPENSSL_NO_COMP
2179 const COMP_METHOD *comp, *expansion;
2181 unsigned char *exportedkeymat;
2185 int got_a_chain = 0;
2187 sk=SSL_get_peer_cert_chain(s);
2190 got_a_chain = 1; /* we don't have it for SSL2 (yet) */
2192 BIO_printf(bio,"---\nCertificate chain\n");
2193 for (i=0; i<sk_X509_num(sk); i++)
2195 X509_NAME_oneline(X509_get_subject_name(
2196 sk_X509_value(sk,i)),buf,sizeof buf);
2197 BIO_printf(bio,"%2d s:%s\n",i,buf);
2198 X509_NAME_oneline(X509_get_issuer_name(
2199 sk_X509_value(sk,i)),buf,sizeof buf);
2200 BIO_printf(bio," i:%s\n",buf);
2202 PEM_write_bio_X509(bio,sk_X509_value(sk,i));
2206 BIO_printf(bio,"---\n");
2207 peer=SSL_get_peer_certificate(s);
2210 BIO_printf(bio,"Server certificate\n");
2211 if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */
2212 PEM_write_bio_X509(bio,peer);
2213 X509_NAME_oneline(X509_get_subject_name(peer),
2215 BIO_printf(bio,"subject=%s\n",buf);
2216 X509_NAME_oneline(X509_get_issuer_name(peer),
2218 BIO_printf(bio,"issuer=%s\n",buf);
2221 BIO_printf(bio,"no peer certificate available\n");
2223 sk2=SSL_get_client_CA_list(s);
2224 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0))
2226 BIO_printf(bio,"---\nAcceptable client certificate CA names\n");
2227 for (i=0; i<sk_X509_NAME_num(sk2); i++)
2229 xn=sk_X509_NAME_value(sk2,i);
2230 X509_NAME_oneline(xn,buf,sizeof(buf));
2231 BIO_write(bio,buf,strlen(buf));
2232 BIO_write(bio,"\n",1);
2237 BIO_printf(bio,"---\nNo client certificate CA names sent\n");
2240 ssl_print_sigalgs(bio, s);
2241 ssl_print_tmp_key(bio, s);
2243 BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n",
2244 BIO_number_read(SSL_get_rbio(s)),
2245 BIO_number_written(SSL_get_wbio(s)));
2247 BIO_printf(bio,(SSL_cache_hit(s)?"---\nReused, ":"---\nNew, "));
2248 c=SSL_get_current_cipher(s);
2249 BIO_printf(bio,"%s, Cipher is %s\n",
2250 SSL_CIPHER_get_version(c),
2251 SSL_CIPHER_get_name(c));
2254 pktmp = X509_get_pubkey(peer);
2255 BIO_printf(bio,"Server public key is %d bit\n",
2256 EVP_PKEY_bits(pktmp));
2257 EVP_PKEY_free(pktmp);
2259 BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
2260 SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
2261 #ifndef OPENSSL_NO_COMP
2262 comp=SSL_get_current_compression(s);
2263 expansion=SSL_get_current_expansion(s);
2264 BIO_printf(bio,"Compression: %s\n",
2265 comp ? SSL_COMP_get_name(comp) : "NONE");
2266 BIO_printf(bio,"Expansion: %s\n",
2267 expansion ? SSL_COMP_get_name(expansion) : "NONE");
2272 /* Print out local port of connection: useful for debugging */
2274 struct sockaddr_in ladd;
2275 socklen_t ladd_size = sizeof(ladd);
2276 sock = SSL_get_fd(s);
2277 getsockname(sock, (struct sockaddr *)&ladd, &ladd_size);
2278 BIO_printf(bio_c_out, "LOCAL PORT is %u\n", ntohs(ladd.sin_port));
2282 #if !defined(OPENSSL_NO_TLSEXT)
2283 # if !defined(OPENSSL_NO_NEXTPROTONEG)
2284 if (next_proto.status != -1) {
2285 const unsigned char *proto;
2286 unsigned int proto_len;
2287 SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
2288 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
2289 BIO_write(bio, proto, proto_len);
2290 BIO_write(bio, "\n", 1);
2294 const unsigned char *proto;
2295 unsigned int proto_len;
2296 SSL_get0_alpn_selected(s, &proto, &proto_len);
2299 BIO_printf(bio, "ALPN protocol: ");
2300 BIO_write(bio, proto, proto_len);
2301 BIO_write(bio, "\n", 1);
2304 BIO_printf(bio, "No ALPN negotiated\n");
2308 #ifndef OPENSSL_NO_SRTP
2310 SRTP_PROTECTION_PROFILE *srtp_profile=SSL_get_selected_srtp_profile(s);
2313 BIO_printf(bio,"SRTP Extension negotiated, profile=%s\n",
2314 srtp_profile->name);
2318 SSL_SESSION_print(bio,SSL_get_session(s));
2319 if (keymatexportlabel != NULL)
2321 BIO_printf(bio, "Keying material exporter:\n");
2322 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel);
2323 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen);
2324 exportedkeymat = OPENSSL_malloc(keymatexportlen);
2325 if (exportedkeymat != NULL)
2327 if (!SSL_export_keying_material(s, exportedkeymat,
2330 strlen(keymatexportlabel),
2333 BIO_printf(bio, " Error\n");
2337 BIO_printf(bio, " Keying material: ");
2338 for (i=0; i<keymatexportlen; i++)
2339 BIO_printf(bio, "%02X",
2341 BIO_printf(bio, "\n");
2343 OPENSSL_free(exportedkeymat);
2346 BIO_printf(bio,"---\n");
2349 /* flush, or debugging output gets mixed with http response */
2350 (void)BIO_flush(bio);
2353 #ifndef OPENSSL_NO_TLSEXT
2355 static int ocsp_resp_cb(SSL *s, void *arg)
2357 const unsigned char *p;
2360 len = SSL_get_tlsext_status_ocsp_resp(s, &p);
2361 BIO_puts(arg, "OCSP response: ");
2364 BIO_puts(arg, "no response sent\n");
2367 rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
2370 BIO_puts(arg, "response parse error\n");
2371 BIO_dump_indent(arg, (char *)p, len, 4);
2374 BIO_puts(arg, "\n======================================\n");
2375 OCSP_RESPONSE_print(arg, rsp, 0);
2376 BIO_puts(arg, "======================================\n");
2377 OCSP_RESPONSE_free(rsp);