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 */
178 #define PROG s_client_main
180 /*#define SSL_HOST_NAME "www.netscape.com" */
181 /*#define SSL_HOST_NAME "193.118.187.102" */
182 #define SSL_HOST_NAME "localhost"
184 /*#define TEST_CERT "client.pem" */ /* no default cert. */
187 #define BUFSIZZ 1024*8
189 extern int verify_depth;
190 extern int verify_error;
191 extern int verify_return_error;
192 extern int verify_quiet;
197 static int c_Pause=0;
198 static int c_debug=0;
199 #ifndef OPENSSL_NO_TLSEXT
200 static int c_tlsextdebug=0;
201 static int c_status_req=0;
204 static int c_showcerts=0;
206 static char *keymatexportlabel=NULL;
207 static int keymatexportlen=20;
209 static void sc_usage(void);
210 static void print_stuff(BIO *berr,SSL *con,int full);
211 #ifndef OPENSSL_NO_TLSEXT
212 static int ocsp_resp_cb(SSL *s, void *arg);
214 static BIO *bio_c_out=NULL;
215 static BIO *bio_c_msg=NULL;
216 static int c_quiet=0;
217 static int c_ign_eof=0;
218 static int c_brief=0;
220 #ifndef OPENSSL_NO_PSK
221 /* Default PSK identity and key */
222 static char *psk_identity="Client_identity";
223 /*char *psk_key=NULL; by default PSK is not used */
225 static unsigned int psk_client_cb(SSL *ssl, const char *hint, char *identity,
226 unsigned int max_identity_len, unsigned char *psk,
227 unsigned int max_psk_len)
229 unsigned int psk_len = 0;
234 BIO_printf(bio_c_out, "psk_client_cb\n");
237 /* no ServerKeyExchange message*/
239 BIO_printf(bio_c_out,"NULL received PSK identity hint, continuing anyway\n");
242 BIO_printf(bio_c_out, "Received PSK identity hint '%s'\n", hint);
244 /* lookup PSK identity and PSK key based on the given identity hint here */
245 ret = BIO_snprintf(identity, max_identity_len, "%s", psk_identity);
246 if (ret < 0 || (unsigned int)ret > max_identity_len)
249 BIO_printf(bio_c_out, "created identity '%s' len=%d\n", identity, ret);
250 ret=BN_hex2bn(&bn, psk_key);
253 BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key);
259 if ((unsigned int)BN_num_bytes(bn) > max_psk_len)
261 BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n",
262 max_psk_len, BN_num_bytes(bn));
267 psk_len=BN_bn2bin(bn, psk);
273 BIO_printf(bio_c_out, "created PSK len=%d\n", psk_len);
278 BIO_printf(bio_err, "Error in PSK client callback\n");
283 static void sc_usage(void)
285 BIO_printf(bio_err,"usage: s_client args\n");
286 BIO_printf(bio_err,"\n");
287 BIO_printf(bio_err," -host host - use -connect instead\n");
288 BIO_printf(bio_err," -port port - use -connect instead\n");
289 BIO_printf(bio_err," -connect host:port - connect over TCP/IP (default is %s:%s)\n",SSL_HOST_NAME,PORT_STR);
290 BIO_printf(bio_err," -unix path - connect over unix domain sockets\n");
291 BIO_printf(bio_err," -verify arg - turn on peer certificate verification\n");
292 BIO_printf(bio_err," -verify_return_error - return verification errors\n");
293 BIO_printf(bio_err," -cert arg - certificate file to use, PEM format assumed\n");
294 BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
295 BIO_printf(bio_err," -key arg - Private key file to use, in cert file if\n");
296 BIO_printf(bio_err," not specified but cert file is.\n");
297 BIO_printf(bio_err," -keyform arg - key format (PEM or DER) PEM default\n");
298 BIO_printf(bio_err," -pass arg - private key file pass phrase source\n");
299 BIO_printf(bio_err," -CApath arg - PEM format directory of CA's\n");
300 BIO_printf(bio_err," -CAfile arg - PEM format file of CA's\n");
301 BIO_printf(bio_err," -trusted_first - Use local CA's first when building trust chain\n");
302 BIO_printf(bio_err," -reconnect - Drop and re-make the connection with the same Session-ID\n");
303 BIO_printf(bio_err," -pause - sleep(1) after each read(2) and write(2) system call\n");
304 BIO_printf(bio_err," -prexit - print session information even on connection failure\n");
305 BIO_printf(bio_err," -showcerts - show all certificates in the chain\n");
306 BIO_printf(bio_err," -debug - extra output\n");
308 BIO_printf(bio_err," -wdebug - WATT-32 tcp debugging\n");
310 BIO_printf(bio_err," -msg - Show protocol messages\n");
311 BIO_printf(bio_err," -nbio_test - more ssl protocol testing\n");
312 BIO_printf(bio_err," -state - print the 'ssl' states\n");
314 BIO_printf(bio_err," -nbio - Run with non-blocking IO\n");
316 BIO_printf(bio_err," -crlf - convert LF from terminal into CRLF\n");
317 BIO_printf(bio_err," -quiet - no s_client output\n");
318 BIO_printf(bio_err," -ign_eof - ignore input eof (default when -quiet)\n");
319 BIO_printf(bio_err," -no_ign_eof - don't ignore input eof\n");
320 #ifndef OPENSSL_NO_PSK
321 BIO_printf(bio_err," -psk_identity arg - PSK identity\n");
322 BIO_printf(bio_err," -psk arg - PSK in hex (without 0x)\n");
323 # ifndef OPENSSL_NO_JPAKE
324 BIO_printf(bio_err," -jpake arg - JPAKE secret to use\n");
327 #ifndef OPENSSL_NO_SRP
328 BIO_printf(bio_err," -srpuser user - SRP authentification for 'user'\n");
329 BIO_printf(bio_err," -srppass arg - password for 'user'\n");
330 BIO_printf(bio_err," -srp_lateuser - SRP username into second ClientHello message\n");
331 BIO_printf(bio_err," -srp_moregroups - Tolerate other than the known g N values.\n");
332 BIO_printf(bio_err," -srp_strength int - minimal mength in bits for N (default %d).\n",SRP_MINIMAL_N);
334 #ifndef OPENSSL_NO_SSL3_METHOD
335 BIO_printf(bio_err," -ssl3 - just use SSLv3\n");
337 BIO_printf(bio_err," -tls1_2 - just use TLSv1.2\n");
338 BIO_printf(bio_err," -tls1_1 - just use TLSv1.1\n");
339 BIO_printf(bio_err," -tls1 - just use TLSv1\n");
340 BIO_printf(bio_err," -dtls1 - just use DTLSv1\n");
341 BIO_printf(bio_err," -fallback_scsv - send TLS_FALLBACK_SCSV\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 - turn off that protocol\n");
344 BIO_printf(bio_err," -bugs - Switch on all SSL implementation bug workarounds\n");
345 BIO_printf(bio_err," -cipher - preferred cipher to use, use the 'openssl ciphers'\n");
346 BIO_printf(bio_err," command to see what is available\n");
347 BIO_printf(bio_err," -starttls prot - use the STARTTLS command before starting TLS\n");
348 BIO_printf(bio_err," for those protocols that support it, where\n");
349 BIO_printf(bio_err," 'prot' defines which one to assume. Currently,\n");
350 BIO_printf(bio_err," only \"smtp\", \"pop3\", \"imap\", \"ftp\" and \"xmpp\"\n");
351 BIO_printf(bio_err," are supported.\n");
352 BIO_printf(bio_err," -xmpphost host - When used with \"-starttls xmpp\" specifies the virtual host.\n");
353 #ifndef OPENSSL_NO_ENGINE
354 BIO_printf(bio_err," -engine id - Initialise and use the specified engine\n");
356 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
357 BIO_printf(bio_err," -sess_out arg - file to write SSL session to\n");
358 BIO_printf(bio_err," -sess_in arg - file to read SSL session from\n");
359 #ifndef OPENSSL_NO_TLSEXT
360 BIO_printf(bio_err," -servername host - Set TLS extension servername in ClientHello\n");
361 BIO_printf(bio_err," -tlsextdebug - hex dump of all TLS extensions received\n");
362 BIO_printf(bio_err," -status - request certificate status from server\n");
363 BIO_printf(bio_err," -no_ticket - disable use of RFC4507bis session tickets\n");
364 BIO_printf(bio_err," -serverinfo types - send empty ClientHello extensions (comma-separated numbers)\n");
365 # ifndef OPENSSL_NO_NEXTPROTONEG
366 BIO_printf(bio_err," -nextprotoneg arg - enable NPN extension, considering named protocols supported (comma-separated list)\n");
368 BIO_printf(bio_err," -alpn arg - enable ALPN extension, considering named protocols supported (comma-separated list)\n");
370 BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
371 BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
372 BIO_printf(bio_err," -keymatexport label - Export keying material using label\n");
373 BIO_printf(bio_err," -keymatexportlen len - Export len bytes of keying material (default 20)\n");
376 #ifndef OPENSSL_NO_TLSEXT
378 /* This is a context that we pass to callbacks */
379 typedef struct tlsextctx_st {
385 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
387 tlsextctx * p = (tlsextctx *) arg;
388 const char * hn= SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
389 if (SSL_get_servername_type(s) != -1)
390 p->ack = !SSL_session_reused(s) && hn != NULL;
392 BIO_printf(bio_err,"Can't use SSL_get_servername\n");
394 return SSL_TLSEXT_ERR_OK;
397 #ifndef OPENSSL_NO_SRP
399 /* This is a context that we pass to all callbacks */
400 typedef struct srp_arg_st
404 int msg; /* copy from c_msg */
405 int debug; /* copy from c_debug */
406 int amp; /* allow more groups */
407 int strength /* minimal size for N */ ;
410 #define SRP_NUMBER_ITERATIONS_FOR_PRIME 64
412 static int srp_Verify_N_and_g(const BIGNUM *N, const BIGNUM *g)
414 BN_CTX *bn_ctx = BN_CTX_new();
415 BIGNUM *p = BN_new();
416 BIGNUM *r = BN_new();
418 g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) &&
419 BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
420 p != NULL && BN_rshift1(p, N) &&
423 BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
426 /* verify g^((N-1)/2) == -1 (mod N) */
427 BN_mod_exp(r, g, p, N, bn_ctx) &&
440 /* This callback is used here for two purposes:
442 - making some primality tests for unknown groups
443 The callback is only called for a non default group.
445 An application does not need the call back at all if
446 only the stanard groups are used. In real life situations,
447 client and server already share well known groups,
448 thus there is no need to verify them.
449 Furthermore, in case that a server actually proposes a group that
450 is not one of those defined in RFC 5054, it is more appropriate
451 to add the group to a static list and then compare since
452 primality tests are rather cpu consuming.
455 static int MS_CALLBACK ssl_srp_verify_param_cb(SSL *s, void *arg)
457 SRP_ARG *srp_arg = (SRP_ARG *)arg;
458 BIGNUM *N = NULL, *g = NULL;
459 if (!(N = SSL_get_srp_N(s)) || !(g = SSL_get_srp_g(s)))
461 if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1)
463 BIO_printf(bio_err, "SRP parameters:\n");
464 BIO_printf(bio_err,"\tN="); BN_print(bio_err,N);
465 BIO_printf(bio_err,"\n\tg="); BN_print(bio_err,g);
466 BIO_printf(bio_err,"\n");
469 if (SRP_check_known_gN_param(g,N))
472 if (srp_arg->amp == 1)
475 BIO_printf(bio_err, "SRP param N and g are not known params, going to check deeper.\n");
477 /* The srp_moregroups is a real debugging feature.
478 Implementors should rather add the value to the known ones.
479 The minimal size has already been tested.
481 if (BN_num_bits(g) <= BN_BITS && srp_Verify_N_and_g(N,g))
484 BIO_printf(bio_err, "SRP param N and g rejected.\n");
488 #define PWD_STRLEN 1024
490 static char * MS_CALLBACK ssl_give_srp_client_pwd_cb(SSL *s, void *arg)
492 SRP_ARG *srp_arg = (SRP_ARG *)arg;
493 char *pass = (char *)OPENSSL_malloc(PWD_STRLEN+1);
497 cb_tmp.password = (char *)srp_arg->srppassin;
498 cb_tmp.prompt_info = "SRP user";
499 if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp))<0)
501 BIO_printf (bio_err, "Can't read Password\n");
511 char *srtp_profiles = NULL;
513 # ifndef OPENSSL_NO_NEXTPROTONEG
514 /* This the context that we pass to next_proto_cb */
515 typedef struct tlsextnextprotoctx_st {
519 } tlsextnextprotoctx;
521 static tlsextnextprotoctx next_proto;
523 static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen, const unsigned char *in, unsigned int inlen, void *arg)
525 tlsextnextprotoctx *ctx = arg;
529 /* We can assume that |in| is syntactically valid. */
531 BIO_printf(bio_c_out, "Protocols advertised by server: ");
532 for (i = 0; i < inlen; )
535 BIO_write(bio_c_out, ", ", 2);
536 BIO_write(bio_c_out, &in[i + 1], in[i]);
539 BIO_write(bio_c_out, "\n", 1);
542 ctx->status = SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len);
543 return SSL_TLSEXT_ERR_OK;
545 # endif /* ndef OPENSSL_NO_NEXTPROTONEG */
547 static int serverinfo_cli_parse_cb(SSL* s, unsigned int ext_type,
548 const unsigned char* in, size_t inlen,
552 unsigned char ext_buf[4 + 65536];
554 /* Reconstruct the type/len fields prior to extension data */
555 ext_buf[0] = ext_type >> 8;
556 ext_buf[1] = ext_type & 0xFF;
557 ext_buf[2] = inlen >> 8;
558 ext_buf[3] = inlen & 0xFF;
559 memcpy(ext_buf+4, in, inlen);
561 BIO_snprintf(pem_name, sizeof(pem_name), "SERVERINFO FOR EXTENSION %d",
563 PEM_write_bio(bio_c_out, pem_name, "", ext_buf, 4 + inlen);
579 int MAIN(int, char **);
581 int MAIN(int argc, char **argv)
585 #ifndef OPENSSL_NO_KRB5
588 int s,k,width,state=0;
589 char *cbuf=NULL,*sbuf=NULL,*mbuf=NULL;
590 int cbuf_len,cbuf_off;
591 int sbuf_len,sbuf_off;
592 fd_set readfds,writefds;
595 char *host=SSL_HOST_NAME;
596 const char *unix_path = NULL;
597 char *xmpphost = NULL;
598 char *cert_file=NULL,*key_file=NULL,*chain_file=NULL;
599 int cert_format = FORMAT_PEM, key_format = FORMAT_PEM;
600 char *passarg = NULL, *pass = NULL;
602 EVP_PKEY *key = NULL;
603 STACK_OF(X509) *chain = NULL;
604 char *CApath=NULL,*CAfile=NULL;
605 char *chCApath=NULL,*chCAfile=NULL;
606 char *vfyCApath=NULL,*vfyCAfile=NULL;
607 int reconnect=0,badop=0,verify=SSL_VERIFY_NONE;
609 int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending;
611 int ret=1,in_init=1,i,nbio_test=0;
612 int starttls_proto = PROTO_OFF;
614 X509_VERIFY_PARAM *vpm = NULL;
616 const SSL_METHOD *meth=NULL;
617 int socket_type=SOCK_STREAM;
621 struct timeval timeout, *timeoutp;
622 #ifndef OPENSSL_NO_ENGINE
623 char *engine_id=NULL;
624 char *ssl_client_engine_id=NULL;
625 ENGINE *ssl_client_engine=NULL;
628 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
631 #ifndef OPENSSL_NO_TLSEXT
632 char *servername = NULL;
633 tlsextctx tlsextcbp =
635 # ifndef OPENSSL_NO_NEXTPROTONEG
636 const char *next_proto_neg_in = NULL;
638 const char *alpn_in = NULL;
639 # define MAX_SI_TYPES 100
640 unsigned short serverinfo_types[MAX_SI_TYPES];
641 int serverinfo_types_count = 0;
643 char *sess_in = NULL;
644 char *sess_out = NULL;
645 struct sockaddr peer;
646 int peerlen = sizeof(peer);
647 int fallback_scsv = 0;
648 int enable_timeouts = 0 ;
650 #ifndef OPENSSL_NO_JPAKE
651 static char *jpake_secret = NULL;
652 #define no_jpake !jpake_secret
656 #ifndef OPENSSL_NO_SRP
657 char * srppass = NULL;
658 int srp_lateuser = 0;
659 SRP_ARG srp_arg = {NULL,NULL,0,0,0,1024};
661 SSL_EXCERT *exc = NULL;
663 SSL_CONF_CTX *cctx = NULL;
664 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
666 char *crl_file = NULL;
667 int crl_format = FORMAT_PEM;
668 int crl_download = 0;
669 STACK_OF(X509_CRL) *crls = NULL;
672 meth=SSLv23_client_method();
683 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
685 if (!load_config(bio_err, NULL))
687 cctx = SSL_CONF_CTX_new();
690 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT);
691 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CMDLINE);
693 if ( ((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
694 ((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
695 ((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL))
697 BIO_printf(bio_err,"out of memory\n");
702 verify_error=X509_V_OK;
711 if (strcmp(*argv,"-host") == 0)
713 if (--argc < 1) goto bad;
716 else if (strcmp(*argv,"-port") == 0)
718 if (--argc < 1) goto bad;
719 port=atoi(*(++argv));
720 if (port == 0) goto bad;
722 else if (strcmp(*argv,"-connect") == 0)
724 if (--argc < 1) goto bad;
725 if (!extract_host_port(*(++argv),&host,NULL,&port))
728 else if (strcmp(*argv,"-unix") == 0)
730 if (--argc < 1) goto bad;
731 unix_path = *(++argv);
733 else if (strcmp(*argv,"-xmpphost") == 0)
735 if (--argc < 1) goto bad;
738 else if (strcmp(*argv,"-verify") == 0)
740 verify=SSL_VERIFY_PEER;
741 if (--argc < 1) goto bad;
742 verify_depth=atoi(*(++argv));
744 BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
746 else if (strcmp(*argv,"-cert") == 0)
748 if (--argc < 1) goto bad;
749 cert_file= *(++argv);
751 else if (strcmp(*argv,"-CRL") == 0)
753 if (--argc < 1) goto bad;
756 else if (strcmp(*argv,"-crl_download") == 0)
758 else if (strcmp(*argv,"-sess_out") == 0)
760 if (--argc < 1) goto bad;
761 sess_out = *(++argv);
763 else if (strcmp(*argv,"-sess_in") == 0)
765 if (--argc < 1) goto bad;
768 else if (strcmp(*argv,"-certform") == 0)
770 if (--argc < 1) goto bad;
771 cert_format = str2fmt(*(++argv));
773 else if (strcmp(*argv,"-CRLform") == 0)
775 if (--argc < 1) goto bad;
776 crl_format = str2fmt(*(++argv));
778 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
784 else if (strcmp(*argv,"-verify_return_error") == 0)
785 verify_return_error = 1;
786 else if (strcmp(*argv,"-verify_quiet") == 0)
788 else if (strcmp(*argv,"-brief") == 0)
794 else if (args_excert(&argv, &argc, &badarg, bio_err, &exc))
800 else if (args_ssl(&argv, &argc, cctx, &badarg, bio_err, &ssl_args))
806 else if (strcmp(*argv,"-prexit") == 0)
808 else if (strcmp(*argv,"-crlf") == 0)
810 else if (strcmp(*argv,"-quiet") == 0)
815 else if (strcmp(*argv,"-ign_eof") == 0)
817 else if (strcmp(*argv,"-no_ign_eof") == 0)
819 else if (strcmp(*argv,"-pause") == 0)
821 else if (strcmp(*argv,"-debug") == 0)
823 #ifndef OPENSSL_NO_TLSEXT
824 else if (strcmp(*argv,"-tlsextdebug") == 0)
826 else if (strcmp(*argv,"-status") == 0)
830 else if (strcmp(*argv,"-wdebug") == 0)
833 else if (strcmp(*argv,"-msg") == 0)
835 else if (strcmp(*argv,"-msgfile") == 0)
837 if (--argc < 1) goto bad;
838 bio_c_msg = BIO_new_file(*(++argv), "w");
840 #ifndef OPENSSL_NO_SSL_TRACE
841 else if (strcmp(*argv,"-trace") == 0)
844 else if (strcmp(*argv,"-security_debug") == 0)
846 else if (strcmp(*argv,"-security_debug_verbose") == 0)
848 else if (strcmp(*argv,"-showcerts") == 0)
850 else if (strcmp(*argv,"-nbio_test") == 0)
852 else if (strcmp(*argv,"-state") == 0)
854 #ifndef OPENSSL_NO_PSK
855 else if (strcmp(*argv,"-psk_identity") == 0)
857 if (--argc < 1) goto bad;
858 psk_identity=*(++argv);
860 else if (strcmp(*argv,"-psk") == 0)
864 if (--argc < 1) goto bad;
866 for (j = 0; j < strlen(psk_key); j++)
868 if (isxdigit((unsigned char)psk_key[j]))
870 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
875 #ifndef OPENSSL_NO_SRP
876 else if (strcmp(*argv,"-srpuser") == 0)
878 if (--argc < 1) goto bad;
879 srp_arg.srplogin= *(++argv);
880 meth=TLSv1_client_method();
882 else if (strcmp(*argv,"-srppass") == 0)
884 if (--argc < 1) goto bad;
886 meth=TLSv1_client_method();
888 else if (strcmp(*argv,"-srp_strength") == 0)
890 if (--argc < 1) goto bad;
891 srp_arg.strength=atoi(*(++argv));
892 BIO_printf(bio_err,"SRP minimal length for N is %d\n",srp_arg.strength);
893 meth=TLSv1_client_method();
895 else if (strcmp(*argv,"-srp_lateuser") == 0)
898 meth=TLSv1_client_method();
900 else if (strcmp(*argv,"-srp_moregroups") == 0)
903 meth=TLSv1_client_method();
906 #ifndef OPENSSL_NO_SSL3_METHOD
907 else if (strcmp(*argv,"-ssl3") == 0)
908 meth=SSLv3_client_method();
910 #ifndef OPENSSL_NO_TLS1
911 else if (strcmp(*argv,"-tls1_2") == 0)
912 meth=TLSv1_2_client_method();
913 else if (strcmp(*argv,"-tls1_1") == 0)
914 meth=TLSv1_1_client_method();
915 else if (strcmp(*argv,"-tls1") == 0)
916 meth=TLSv1_client_method();
918 #ifndef OPENSSL_NO_DTLS1
919 else if (strcmp(*argv,"-dtls") == 0)
921 meth=DTLS_client_method();
922 socket_type=SOCK_DGRAM;
924 else if (strcmp(*argv,"-dtls1") == 0)
926 meth=DTLSv1_client_method();
927 socket_type=SOCK_DGRAM;
929 else if (strcmp(*argv,"-dtls1_2") == 0)
931 meth=DTLSv1_2_client_method();
932 socket_type=SOCK_DGRAM;
934 else if (strcmp(*argv,"-timeout") == 0)
936 else if (strcmp(*argv,"-mtu") == 0)
938 if (--argc < 1) goto bad;
939 socket_mtu = atol(*(++argv));
942 else if (strcmp(*argv,"-fallback_scsv") == 0)
946 else if (strcmp(*argv,"-keyform") == 0)
948 if (--argc < 1) goto bad;
949 key_format = str2fmt(*(++argv));
951 else if (strcmp(*argv,"-pass") == 0)
953 if (--argc < 1) goto bad;
956 else if (strcmp(*argv,"-cert_chain") == 0)
958 if (--argc < 1) goto bad;
959 chain_file= *(++argv);
961 else if (strcmp(*argv,"-key") == 0)
963 if (--argc < 1) goto bad;
966 else if (strcmp(*argv,"-reconnect") == 0)
970 else if (strcmp(*argv,"-CApath") == 0)
972 if (--argc < 1) goto bad;
975 else if (strcmp(*argv,"-chainCApath") == 0)
977 if (--argc < 1) goto bad;
980 else if (strcmp(*argv,"-verifyCApath") == 0)
982 if (--argc < 1) goto bad;
983 vfyCApath= *(++argv);
985 else if (strcmp(*argv,"-build_chain") == 0)
987 else if (strcmp(*argv,"-CAfile") == 0)
989 if (--argc < 1) goto bad;
992 else if (strcmp(*argv,"-chainCAfile") == 0)
994 if (--argc < 1) goto bad;
997 else if (strcmp(*argv,"-verifyCAfile") == 0)
999 if (--argc < 1) goto bad;
1000 vfyCAfile= *(++argv);
1002 #ifndef OPENSSL_NO_TLSEXT
1003 # ifndef OPENSSL_NO_NEXTPROTONEG
1004 else if (strcmp(*argv,"-nextprotoneg") == 0)
1006 if (--argc < 1) goto bad;
1007 next_proto_neg_in = *(++argv);
1010 else if (strcmp(*argv,"-alpn") == 0)
1012 if (--argc < 1) goto bad;
1013 alpn_in = *(++argv);
1015 else if (strcmp(*argv,"-serverinfo") == 0)
1021 if (--argc < 1) goto bad;
1023 serverinfo_types_count = 0;
1025 for (i = 0; i <= len; ++i)
1027 if (i == len || c[i] == ',')
1029 serverinfo_types[serverinfo_types_count]
1031 serverinfo_types_count++;
1034 if (serverinfo_types_count == MAX_SI_TYPES)
1040 else if (strcmp(*argv,"-nbio") == 0)
1043 else if (strcmp(*argv,"-starttls") == 0)
1045 if (--argc < 1) goto bad;
1047 if (strcmp(*argv,"smtp") == 0)
1048 starttls_proto = PROTO_SMTP;
1049 else if (strcmp(*argv,"pop3") == 0)
1050 starttls_proto = PROTO_POP3;
1051 else if (strcmp(*argv,"imap") == 0)
1052 starttls_proto = PROTO_IMAP;
1053 else if (strcmp(*argv,"ftp") == 0)
1054 starttls_proto = PROTO_FTP;
1055 else if (strcmp(*argv, "xmpp") == 0)
1056 starttls_proto = PROTO_XMPP;
1060 #ifndef OPENSSL_NO_ENGINE
1061 else if (strcmp(*argv,"-engine") == 0)
1063 if (--argc < 1) goto bad;
1064 engine_id = *(++argv);
1066 else if (strcmp(*argv,"-ssl_client_engine") == 0)
1068 if (--argc < 1) goto bad;
1069 ssl_client_engine_id = *(++argv);
1072 else if (strcmp(*argv,"-rand") == 0)
1074 if (--argc < 1) goto bad;
1077 #ifndef OPENSSL_NO_TLSEXT
1078 else if (strcmp(*argv,"-servername") == 0)
1080 if (--argc < 1) goto bad;
1081 servername= *(++argv);
1082 /* meth=TLSv1_client_method(); */
1085 #ifndef OPENSSL_NO_JPAKE
1086 else if (strcmp(*argv,"-jpake") == 0)
1088 if (--argc < 1) goto bad;
1089 jpake_secret = *++argv;
1092 else if (strcmp(*argv,"-use_srtp") == 0)
1094 if (--argc < 1) goto bad;
1095 srtp_profiles = *(++argv);
1097 else if (strcmp(*argv,"-keymatexport") == 0)
1099 if (--argc < 1) goto bad;
1100 keymatexportlabel= *(++argv);
1102 else if (strcmp(*argv,"-keymatexportlen") == 0)
1104 if (--argc < 1) goto bad;
1105 keymatexportlen=atoi(*(++argv));
1106 if (keymatexportlen == 0) goto bad;
1110 BIO_printf(bio_err,"unknown option %s\n",*argv);
1124 if (unix_path && (socket_type != SOCK_STREAM))
1126 BIO_printf(bio_err, "Can't use unix sockets and datagrams together\n");
1129 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1135 "Can't use JPAKE and PSK together\n");
1138 psk_identity = "JPAKE";
1142 OpenSSL_add_ssl_algorithms();
1143 SSL_load_error_strings();
1145 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
1146 next_proto.status = -1;
1147 if (next_proto_neg_in)
1149 next_proto.data = next_protos_parse(&next_proto.len, next_proto_neg_in);
1150 if (next_proto.data == NULL)
1152 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n");
1157 next_proto.data = NULL;
1160 #ifndef OPENSSL_NO_ENGINE
1161 e = setup_engine(bio_err, engine_id, 1);
1162 if (ssl_client_engine_id)
1164 ssl_client_engine = ENGINE_by_id(ssl_client_engine_id);
1165 if (!ssl_client_engine)
1168 "Error getting client auth engine\n");
1174 if (!app_passwd(bio_err, passarg, NULL, &pass, NULL))
1176 BIO_printf(bio_err, "Error getting password\n");
1180 if (key_file == NULL)
1181 key_file = cert_file;
1188 key = load_key(bio_err, key_file, key_format, 0, pass, e,
1189 "client certificate private key file");
1192 ERR_print_errors(bio_err);
1201 cert = load_cert(bio_err,cert_file,cert_format,
1202 NULL, e, "client certificate file");
1206 ERR_print_errors(bio_err);
1213 chain = load_certs(bio_err, chain_file,FORMAT_PEM,
1214 NULL, e, "client certificate chain");
1222 crl = load_crl(crl_file, crl_format);
1225 BIO_puts(bio_err, "Error loading CRL\n");
1226 ERR_print_errors(bio_err);
1229 crls = sk_X509_CRL_new_null();
1230 if (!crls || !sk_X509_CRL_push(crls, crl))
1232 BIO_puts(bio_err, "Error adding CRL\n");
1233 ERR_print_errors(bio_err);
1239 if (!load_excert(&exc, bio_err))
1242 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1245 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
1248 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
1249 app_RAND_load_files(inrand));
1251 if (bio_c_out == NULL)
1253 if (c_quiet && !c_debug)
1255 bio_c_out=BIO_new(BIO_s_null());
1256 if (c_msg && !bio_c_msg)
1257 bio_c_msg=BIO_new_fp(stdout,BIO_NOCLOSE);
1261 if (bio_c_out == NULL)
1262 bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE);
1266 #ifndef OPENSSL_NO_SRP
1267 if(!app_passwd(bio_err, srppass, NULL, &srp_arg.srppassin, NULL))
1269 BIO_printf(bio_err, "Error getting password\n");
1274 ctx=SSL_CTX_new(meth);
1277 ERR_print_errors(bio_err);
1282 ssl_ctx_security_debug(ctx, bio_err, sdebug);
1285 SSL_CTX_set1_param(ctx, vpm);
1287 if (!args_ssl_call(ctx, bio_err, cctx, ssl_args, 1, no_jpake))
1289 ERR_print_errors(bio_err);
1293 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1294 crls, crl_download))
1296 BIO_printf(bio_err, "Error loading store locations\n");
1297 ERR_print_errors(bio_err);
1301 #ifndef OPENSSL_NO_ENGINE
1302 if (ssl_client_engine)
1304 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine))
1306 BIO_puts(bio_err, "Error setting client auth engine\n");
1307 ERR_print_errors(bio_err);
1308 ENGINE_free(ssl_client_engine);
1311 ENGINE_free(ssl_client_engine);
1315 #ifndef OPENSSL_NO_PSK
1316 #ifdef OPENSSL_NO_JPAKE
1317 if (psk_key != NULL)
1319 if (psk_key != NULL || jpake_secret)
1323 BIO_printf(bio_c_out, "PSK key given or JPAKE in use, setting client callback\n");
1324 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
1326 if (srtp_profiles != NULL)
1327 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1329 if (exc) ssl_ctx_set_excert(ctx, exc);
1330 /* DTLS: partial reads end up discarding unread UDP bytes :-(
1331 * Setting read ahead solves this problem.
1333 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1335 #if !defined(OPENSSL_NO_TLSEXT)
1336 # if !defined(OPENSSL_NO_NEXTPROTONEG)
1337 if (next_proto.data)
1338 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
1342 unsigned short alpn_len;
1343 unsigned char *alpn = next_protos_parse(&alpn_len, alpn_in);
1347 BIO_printf(bio_err, "Error parsing -alpn argument\n");
1350 SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len);
1354 #ifndef OPENSSL_NO_TLSEXT
1355 for (i = 0; i < serverinfo_types_count; i++)
1357 SSL_CTX_add_client_custom_ext(ctx,
1358 serverinfo_types[i],
1360 serverinfo_cli_parse_cb,
1365 if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1368 SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER"));
1371 SSL_CTX_set_verify(ctx,verify,verify_callback);
1373 if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
1374 (!SSL_CTX_set_default_verify_paths(ctx)))
1376 /* BIO_printf(bio_err,"error setting default verify locations\n"); */
1377 ERR_print_errors(bio_err);
1381 ssl_ctx_add_crls(ctx, crls, crl_download);
1383 if (!set_cert_key_stuff(ctx,cert,key,chain,build_chain))
1386 #ifndef OPENSSL_NO_TLSEXT
1387 if (servername != NULL)
1389 tlsextcbp.biodebug = bio_err;
1390 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1391 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1393 #ifndef OPENSSL_NO_SRP
1394 if (srp_arg.srplogin)
1396 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin))
1398 BIO_printf(bio_err,"Unable to set SRP username\n");
1401 srp_arg.msg = c_msg;
1402 srp_arg.debug = c_debug ;
1403 SSL_CTX_set_srp_cb_arg(ctx,&srp_arg);
1404 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb);
1405 SSL_CTX_set_srp_strength(ctx, srp_arg.strength);
1406 if (c_msg || c_debug || srp_arg.amp == 0)
1407 SSL_CTX_set_srp_verify_param_callback(ctx, ssl_srp_verify_param_cb);
1417 BIO *stmp = BIO_new_file(sess_in, "r");
1420 BIO_printf(bio_err, "Can't open session file %s\n",
1422 ERR_print_errors(bio_err);
1425 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1429 BIO_printf(bio_err, "Can't open session file %s\n",
1431 ERR_print_errors(bio_err);
1434 SSL_set_session(con, sess);
1435 SSL_SESSION_free(sess);
1439 SSL_set_mode(con, SSL_MODE_SEND_FALLBACK_SCSV);
1441 #ifndef OPENSSL_NO_TLSEXT
1442 if (servername != NULL)
1444 if (!SSL_set_tlsext_host_name(con,servername))
1446 BIO_printf(bio_err,"Unable to set TLS servername extension.\n");
1447 ERR_print_errors(bio_err);
1452 #ifndef OPENSSL_NO_KRB5
1453 if (con && (kctx = kssl_ctx_new()) != NULL)
1455 SSL_set0_kssl_ctx(con, kctx);
1456 kssl_ctx_setstring(kctx, KSSL_SERVER, host);
1458 #endif /* OPENSSL_NO_KRB5 */
1459 /* SSL_set_cipher_list(con,"RC4-MD5"); */
1461 #ifdef TLSEXT_TYPE_opaque_prf_input
1462 SSL_set_tlsext_opaque_prf_input(con, "Test client", 11);
1468 if (init_client(&s,host,port,socket_type) == 0)
1470 if ((!unix_path && (init_client(&s,host,port,socket_type) == 0)) ||
1471 (unix_path && (init_client_unix(&s,unix_path) == 0)))
1474 BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error());
1478 BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s);
1484 BIO_printf(bio_c_out,"turning on non blocking io\n");
1485 if (BIO_socket_ioctl(s,FIONBIO,&l) < 0)
1487 ERR_print_errors(bio_err);
1492 if (c_Pause & 0x01) SSL_set_debug(con, 1);
1494 if (socket_type == SOCK_DGRAM)
1497 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
1498 if (getsockname(s, &peer, (void *)&peerlen) < 0)
1500 BIO_printf(bio_err, "getsockname:errno=%d\n",
1501 get_last_socket_error());
1506 (void)BIO_ctrl_set_connected(sbio, 1, &peer);
1508 if (enable_timeouts)
1511 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1512 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1515 timeout.tv_usec = DGRAM_SND_TIMEOUT;
1516 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1521 if(socket_mtu < DTLS_get_link_min_mtu(con))
1523 BIO_printf(bio_err,"MTU too small. Must be at least %ld\n",
1524 DTLS_get_link_min_mtu(con));
1528 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1529 if(!DTLS_set_link_mtu(con, socket_mtu))
1531 BIO_printf(bio_err, "Failed to set MTU\n");
1537 /* want to do MTU discovery */
1538 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1541 sbio=BIO_new_socket(s,BIO_NOCLOSE);
1547 test=BIO_new(BIO_f_nbio_test());
1548 sbio=BIO_push(test,sbio);
1553 SSL_set_debug(con, 1);
1554 BIO_set_callback(sbio,bio_dump_callback);
1555 BIO_set_callback_arg(sbio,(char *)bio_c_out);
1559 #ifndef OPENSSL_NO_SSL_TRACE
1561 SSL_set_msg_callback(con, SSL_trace);
1564 SSL_set_msg_callback(con, msg_cb);
1565 SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out);
1567 #ifndef OPENSSL_NO_TLSEXT
1570 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1571 SSL_set_tlsext_debug_arg(con, bio_c_out);
1575 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
1576 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
1577 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
1580 STACK_OF(OCSP_RESPID) *ids = sk_OCSP_RESPID_new_null();
1581 OCSP_RESPID *id = OCSP_RESPID_new();
1582 id->value.byKey = ASN1_OCTET_STRING_new();
1583 id->type = V_OCSP_RESPID_KEY;
1584 ASN1_STRING_set(id->value.byKey, "Hello World", -1);
1585 sk_OCSP_RESPID_push(ids, id);
1586 SSL_set_tlsext_status_ids(con, ids);
1591 #ifndef OPENSSL_NO_JPAKE
1593 jpake_client_auth(bio_c_out, sbio, jpake_secret);
1596 SSL_set_bio(con,sbio,sbio);
1597 SSL_set_connect_state(con);
1599 /* ok, lets connect */
1600 width=SSL_get_fd(con)+1;
1613 /* This is an ugly hack that does a lot of assumptions */
1614 /* We do have to handle multi-line responses which may come
1615 in a single packet or not. We therefore have to use
1616 BIO_gets() which does need a buffering BIO. So during
1617 the initial chitchat we do push a buffering BIO into the
1618 chain that is removed again later on to not disturb the
1619 rest of the s_client operation. */
1620 if (starttls_proto == PROTO_SMTP)
1623 BIO *fbio = BIO_new(BIO_f_buffer());
1624 BIO_push(fbio, sbio);
1625 /* wait for multi-line response to end from SMTP */
1628 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1630 while (mbuf_len>3 && mbuf[3]=='-');
1631 /* STARTTLS command requires EHLO... */
1632 BIO_printf(fbio,"EHLO openssl.client.net\r\n");
1633 (void)BIO_flush(fbio);
1634 /* wait for multi-line response to end EHLO SMTP response */
1637 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1638 if (strstr(mbuf,"STARTTLS"))
1641 while (mbuf_len>3 && mbuf[3]=='-');
1642 (void)BIO_flush(fbio);
1647 "didn't found starttls in server response,"
1648 " try anyway...\n");
1649 BIO_printf(sbio,"STARTTLS\r\n");
1650 BIO_read(sbio,sbuf,BUFSIZZ);
1652 else if (starttls_proto == PROTO_POP3)
1654 BIO_read(sbio,mbuf,BUFSIZZ);
1655 BIO_printf(sbio,"STLS\r\n");
1656 BIO_read(sbio,sbuf,BUFSIZZ);
1658 else if (starttls_proto == PROTO_IMAP)
1661 BIO *fbio = BIO_new(BIO_f_buffer());
1662 BIO_push(fbio, sbio);
1663 BIO_gets(fbio,mbuf,BUFSIZZ);
1664 /* STARTTLS command requires CAPABILITY... */
1665 BIO_printf(fbio,". CAPABILITY\r\n");
1666 (void)BIO_flush(fbio);
1667 /* wait for multi-line CAPABILITY response */
1670 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1671 if (strstr(mbuf,"STARTTLS"))
1674 while (mbuf_len>3 && mbuf[0]!='.');
1675 (void)BIO_flush(fbio);
1680 "didn't found STARTTLS in server response,"
1681 " try anyway...\n");
1682 BIO_printf(sbio,". STARTTLS\r\n");
1683 BIO_read(sbio,sbuf,BUFSIZZ);
1685 else if (starttls_proto == PROTO_FTP)
1687 BIO *fbio = BIO_new(BIO_f_buffer());
1688 BIO_push(fbio, sbio);
1689 /* wait for multi-line response to end from FTP */
1692 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1694 while (mbuf_len>3 && mbuf[3]=='-');
1695 (void)BIO_flush(fbio);
1698 BIO_printf(sbio,"AUTH TLS\r\n");
1699 BIO_read(sbio,sbuf,BUFSIZZ);
1701 if (starttls_proto == PROTO_XMPP)
1704 BIO_printf(sbio,"<stream:stream "
1705 "xmlns:stream='http://etherx.jabber.org/streams' "
1706 "xmlns='jabber:client' to='%s' version='1.0'>", xmpphost ?
1708 seen = BIO_read(sbio,mbuf,BUFSIZZ);
1710 while (!strstr(mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'") &&
1711 !strstr(mbuf, "<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\""))
1713 seen = BIO_read(sbio,mbuf,BUFSIZZ);
1720 BIO_printf(sbio, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
1721 seen = BIO_read(sbio,sbuf,BUFSIZZ);
1723 if (!strstr(sbuf, "<proceed"))
1733 if ((SSL_version(con) == DTLS1_VERSION) &&
1734 DTLSv1_get_timeout(con, &timeout))
1735 timeoutp = &timeout;
1739 if (SSL_in_init(con) && !SSL_total_renegotiations(con))
1750 #if 0 /* This test doesn't really work as intended (needs to be fixed) */
1751 #ifndef OPENSSL_NO_TLSEXT
1752 if (servername != NULL && !SSL_session_reused(con))
1754 BIO_printf(bio_c_out,"Server did %sacknowledge servername extension.\n",tlsextcbp.ack?"":"not ");
1760 BIO *stmp = BIO_new_file(sess_out, "w");
1763 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));
1767 BIO_printf(bio_err, "Error writing session file %s\n", sess_out);
1772 "CONNECTION ESTABLISHED\n");
1773 print_ssl_summary(bio_err, con);
1776 print_stuff(bio_c_out,con,full_log);
1777 if (full_log > 0) full_log--;
1781 BIO_printf(bio_err,"%s",mbuf);
1782 /* We don't need to know any more */
1783 starttls_proto = PROTO_OFF;
1789 BIO_printf(bio_c_out,"drop connection and then reconnect\n");
1791 SSL_set_connect_state(con);
1792 SHUTDOWN(SSL_get_fd(con));
1798 ssl_pending = read_ssl && SSL_pending(con);
1802 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE)
1805 if (read_tty) openssl_fdset(fileno(stdin),&readfds);
1806 if (write_tty) openssl_fdset(fileno(stdout),&writefds);
1809 openssl_fdset(SSL_get_fd(con),&readfds);
1811 openssl_fdset(SSL_get_fd(con),&writefds);
1813 if(!tty_on || !write_tty) {
1815 openssl_fdset(SSL_get_fd(con),&readfds);
1817 openssl_fdset(SSL_get_fd(con),&writefds);
1820 /* printf("mode tty(%d %d%d) ssl(%d%d)\n",
1821 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
1823 /* Note: under VMS with SOCKETSHR the second parameter
1824 * is currently of type (int *) whereas under other
1825 * systems it is (void *) if you don't have a cast it
1826 * will choke the compiler: if you do have a cast then
1827 * you can either go for (int *) or (void *).
1829 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1830 /* Under Windows/DOS we make the assumption that we can
1831 * always write to the tty: therefore if we need to
1832 * write to the tty we just fall through. Otherwise
1833 * we timeout the select every second and see if there
1834 * are any keypresses. Note: this is a hack, in a proper
1835 * Windows application we wouldn't do this.
1842 i=select(width,(void *)&readfds,(void *)&writefds,
1844 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1845 if(!i && (!_kbhit() || !read_tty) ) continue;
1847 if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue;
1849 } else i=select(width,(void *)&readfds,(void *)&writefds,
1852 #elif defined(OPENSSL_SYS_NETWARE)
1857 i=select(width,(void *)&readfds,(void *)&writefds,
1859 } else i=select(width,(void *)&readfds,(void *)&writefds,
1863 i=select(width,(void *)&readfds,(void *)&writefds,
1868 BIO_printf(bio_err,"bad select %d\n",
1869 get_last_socket_error());
1875 if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
1877 BIO_printf(bio_err,"TIMEOUT occurred\n");
1880 if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds))
1882 k=SSL_write(con,&(cbuf[cbuf_off]),
1883 (unsigned int)cbuf_len);
1884 switch (SSL_get_error(con,k))
1886 case SSL_ERROR_NONE:
1889 if (k <= 0) goto end;
1890 /* we have done a write(con,NULL,0); */
1896 else /* if (cbuf_len > 0) */
1902 case SSL_ERROR_WANT_WRITE:
1903 BIO_printf(bio_c_out,"write W BLOCK\n");
1907 case SSL_ERROR_WANT_READ:
1908 BIO_printf(bio_c_out,"write R BLOCK\n");
1913 case SSL_ERROR_WANT_X509_LOOKUP:
1914 BIO_printf(bio_c_out,"write X BLOCK\n");
1916 case SSL_ERROR_ZERO_RETURN:
1919 BIO_printf(bio_c_out,"shutdown\n");
1930 case SSL_ERROR_SYSCALL:
1931 if ((k != 0) || (cbuf_len != 0))
1933 BIO_printf(bio_err,"write:errno=%d\n",
1934 get_last_socket_error());
1944 ERR_print_errors(bio_err);
1948 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
1949 /* Assume Windows/DOS/BeOS can always write */
1950 else if (!ssl_pending && write_tty)
1952 else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds))
1955 #ifdef CHARSET_EBCDIC
1956 ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len);
1958 i=raw_write_stdout(&(sbuf[sbuf_off]),sbuf_len);
1962 BIO_printf(bio_c_out,"DONE\n");
1976 else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds))
1979 { static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } }
1982 k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ );
1984 /* Demo for pending and peek :-) */
1985 k=SSL_read(con,sbuf,16);
1987 printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240));
1991 switch (SSL_get_error(con,k))
1993 case SSL_ERROR_NONE:
2002 case SSL_ERROR_WANT_WRITE:
2003 BIO_printf(bio_c_out,"read W BLOCK\n");
2007 case SSL_ERROR_WANT_READ:
2008 BIO_printf(bio_c_out,"read R BLOCK\n");
2011 if ((read_tty == 0) && (write_ssl == 0))
2014 case SSL_ERROR_WANT_X509_LOOKUP:
2015 BIO_printf(bio_c_out,"read X BLOCK\n");
2017 case SSL_ERROR_SYSCALL:
2018 ret=get_last_socket_error();
2020 BIO_puts(bio_err, "CONNECTION CLOSED BY SERVER\n");
2022 BIO_printf(bio_err,"read:errno=%d\n",ret);
2024 case SSL_ERROR_ZERO_RETURN:
2025 BIO_printf(bio_c_out,"closed\n");
2029 ERR_print_errors(bio_err);
2035 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2036 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
2039 else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
2041 #elif defined (OPENSSL_SYS_NETWARE)
2044 else if (FD_ISSET(fileno(stdin),&readfds))
2051 i=raw_read_stdin(cbuf,BUFSIZZ/2);
2053 /* both loops are skipped when i <= 0 */
2054 for (j = 0; j < i; j++)
2055 if (cbuf[j] == '\n')
2057 for (j = i-1; j >= 0; j--)
2059 cbuf[j+lf_num] = cbuf[j];
2060 if (cbuf[j] == '\n')
2064 cbuf[j+lf_num] = '\r';
2067 assert(lf_num == 0);
2070 i=raw_read_stdin(cbuf,BUFSIZZ);
2072 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q')))
2074 BIO_printf(bio_err,"DONE\n");
2079 if ((!c_ign_eof) && (cbuf[0] == 'R'))
2081 BIO_printf(bio_err,"RENEGOTIATING\n");
2082 SSL_renegotiate(con);
2085 #ifndef OPENSSL_NO_HEARTBEATS
2086 else if ((!c_ign_eof) && (cbuf[0] == 'B'))
2088 BIO_printf(bio_err,"HEARTBEATING\n");
2097 #ifdef CHARSET_EBCDIC
2098 ebcdic2ascii(cbuf, cbuf, i);
2110 print_stuff(bio_c_out,con,full_log);
2112 SHUTDOWN(SSL_get_fd(con));
2117 print_stuff(bio_c_out,con,1);
2120 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2121 if (next_proto.data)
2122 OPENSSL_free(next_proto.data);
2124 if (ctx != NULL) SSL_CTX_free(ctx);
2128 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2132 sk_X509_pop_free(chain, X509_free);
2136 X509_VERIFY_PARAM_free(vpm);
2137 ssl_excert_free(exc);
2139 sk_OPENSSL_STRING_free(ssl_args);
2141 SSL_CONF_CTX_free(cctx);
2142 #ifndef OPENSSL_NO_JPAKE
2143 if (jpake_secret && psk_key)
2144 OPENSSL_free(psk_key);
2146 if (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); }
2147 if (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); }
2148 if (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); }
2149 if (bio_c_out != NULL)
2151 BIO_free(bio_c_out);
2154 if (bio_c_msg != NULL)
2156 BIO_free(bio_c_msg);
2164 static void print_stuff(BIO *bio, SSL *s, int full)
2169 STACK_OF(X509_NAME) *sk2;
2170 const SSL_CIPHER *c;
2173 #ifndef OPENSSL_NO_COMP
2174 const COMP_METHOD *comp, *expansion;
2176 unsigned char *exportedkeymat;
2180 int got_a_chain = 0;
2182 sk=SSL_get_peer_cert_chain(s);
2185 got_a_chain = 1; /* we don't have it for SSL2 (yet) */
2187 BIO_printf(bio,"---\nCertificate chain\n");
2188 for (i=0; i<sk_X509_num(sk); i++)
2190 X509_NAME_oneline(X509_get_subject_name(
2191 sk_X509_value(sk,i)),buf,sizeof buf);
2192 BIO_printf(bio,"%2d s:%s\n",i,buf);
2193 X509_NAME_oneline(X509_get_issuer_name(
2194 sk_X509_value(sk,i)),buf,sizeof buf);
2195 BIO_printf(bio," i:%s\n",buf);
2197 PEM_write_bio_X509(bio,sk_X509_value(sk,i));
2201 BIO_printf(bio,"---\n");
2202 peer=SSL_get_peer_certificate(s);
2205 BIO_printf(bio,"Server certificate\n");
2206 if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */
2207 PEM_write_bio_X509(bio,peer);
2208 X509_NAME_oneline(X509_get_subject_name(peer),
2210 BIO_printf(bio,"subject=%s\n",buf);
2211 X509_NAME_oneline(X509_get_issuer_name(peer),
2213 BIO_printf(bio,"issuer=%s\n",buf);
2216 BIO_printf(bio,"no peer certificate available\n");
2218 sk2=SSL_get_client_CA_list(s);
2219 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0))
2221 BIO_printf(bio,"---\nAcceptable client certificate CA names\n");
2222 for (i=0; i<sk_X509_NAME_num(sk2); i++)
2224 xn=sk_X509_NAME_value(sk2,i);
2225 X509_NAME_oneline(xn,buf,sizeof(buf));
2226 BIO_write(bio,buf,strlen(buf));
2227 BIO_write(bio,"\n",1);
2232 BIO_printf(bio,"---\nNo client certificate CA names sent\n");
2235 ssl_print_sigalgs(bio, s);
2236 ssl_print_tmp_key(bio, s);
2238 BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n",
2239 BIO_number_read(SSL_get_rbio(s)),
2240 BIO_number_written(SSL_get_wbio(s)));
2242 BIO_printf(bio,(SSL_cache_hit(s)?"---\nReused, ":"---\nNew, "));
2243 c=SSL_get_current_cipher(s);
2244 BIO_printf(bio,"%s, Cipher is %s\n",
2245 SSL_CIPHER_get_version(c),
2246 SSL_CIPHER_get_name(c));
2249 pktmp = X509_get_pubkey(peer);
2250 BIO_printf(bio,"Server public key is %d bit\n",
2251 EVP_PKEY_bits(pktmp));
2252 EVP_PKEY_free(pktmp);
2254 BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
2255 SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
2256 #ifndef OPENSSL_NO_COMP
2257 comp=SSL_get_current_compression(s);
2258 expansion=SSL_get_current_expansion(s);
2259 BIO_printf(bio,"Compression: %s\n",
2260 comp ? SSL_COMP_get_name(comp) : "NONE");
2261 BIO_printf(bio,"Expansion: %s\n",
2262 expansion ? SSL_COMP_get_name(expansion) : "NONE");
2267 /* Print out local port of connection: useful for debugging */
2269 struct sockaddr_in ladd;
2270 socklen_t ladd_size = sizeof(ladd);
2271 sock = SSL_get_fd(s);
2272 getsockname(sock, (struct sockaddr *)&ladd, &ladd_size);
2273 BIO_printf(bio_c_out, "LOCAL PORT is %u\n", ntohs(ladd.sin_port));
2277 #if !defined(OPENSSL_NO_TLSEXT)
2278 # if !defined(OPENSSL_NO_NEXTPROTONEG)
2279 if (next_proto.status != -1) {
2280 const unsigned char *proto;
2281 unsigned int proto_len;
2282 SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
2283 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
2284 BIO_write(bio, proto, proto_len);
2285 BIO_write(bio, "\n", 1);
2289 const unsigned char *proto;
2290 unsigned int proto_len;
2291 SSL_get0_alpn_selected(s, &proto, &proto_len);
2294 BIO_printf(bio, "ALPN protocol: ");
2295 BIO_write(bio, proto, proto_len);
2296 BIO_write(bio, "\n", 1);
2299 BIO_printf(bio, "No ALPN negotiated\n");
2304 SRTP_PROTECTION_PROFILE *srtp_profile=SSL_get_selected_srtp_profile(s);
2307 BIO_printf(bio,"SRTP Extension negotiated, profile=%s\n",
2308 srtp_profile->name);
2311 SSL_SESSION_print(bio,SSL_get_session(s));
2312 if (keymatexportlabel != NULL)
2314 BIO_printf(bio, "Keying material exporter:\n");
2315 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel);
2316 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen);
2317 exportedkeymat = OPENSSL_malloc(keymatexportlen);
2318 if (exportedkeymat != NULL)
2320 if (!SSL_export_keying_material(s, exportedkeymat,
2323 strlen(keymatexportlabel),
2326 BIO_printf(bio, " Error\n");
2330 BIO_printf(bio, " Keying material: ");
2331 for (i=0; i<keymatexportlen; i++)
2332 BIO_printf(bio, "%02X",
2334 BIO_printf(bio, "\n");
2336 OPENSSL_free(exportedkeymat);
2339 BIO_printf(bio,"---\n");
2342 /* flush, or debugging output gets mixed with http response */
2343 (void)BIO_flush(bio);
2346 #ifndef OPENSSL_NO_TLSEXT
2348 static int ocsp_resp_cb(SSL *s, void *arg)
2350 const unsigned char *p;
2353 len = SSL_get_tlsext_status_ocsp_resp(s, &p);
2354 BIO_puts(arg, "OCSP response: ");
2357 BIO_puts(arg, "no response sent\n");
2360 rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
2363 BIO_puts(arg, "response parse error\n");
2364 BIO_dump_indent(arg, (char *)p, len, 4);
2367 BIO_puts(arg, "\n======================================\n");
2368 OCSP_RESPONSE_print(arg, rsp, 0);
2369 BIO_puts(arg, "======================================\n");
2370 OCSP_RESPONSE_free(rsp);