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 length 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 #ifndef OPENSSL_NO_SRTP
372 BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
374 BIO_printf(bio_err," -keymatexport label - Export keying material using label\n");
375 BIO_printf(bio_err," -keymatexportlen len - Export len bytes of keying material (default 20)\n");
378 #ifndef OPENSSL_NO_TLSEXT
380 /* This is a context that we pass to callbacks */
381 typedef struct tlsextctx_st {
387 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
389 tlsextctx * p = (tlsextctx *) arg;
390 const char * hn= SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
391 if (SSL_get_servername_type(s) != -1)
392 p->ack = !SSL_session_reused(s) && hn != NULL;
394 BIO_printf(bio_err,"Can't use SSL_get_servername\n");
396 return SSL_TLSEXT_ERR_OK;
399 #ifndef OPENSSL_NO_SRP
401 /* This is a context that we pass to all callbacks */
402 typedef struct srp_arg_st
406 int msg; /* copy from c_msg */
407 int debug; /* copy from c_debug */
408 int amp; /* allow more groups */
409 int strength /* minimal size for N */ ;
412 #define SRP_NUMBER_ITERATIONS_FOR_PRIME 64
414 static int srp_Verify_N_and_g(const BIGNUM *N, const BIGNUM *g)
416 BN_CTX *bn_ctx = BN_CTX_new();
417 BIGNUM *p = BN_new();
418 BIGNUM *r = BN_new();
420 g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) &&
421 BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
422 p != NULL && BN_rshift1(p, N) &&
425 BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
428 /* verify g^((N-1)/2) == -1 (mod N) */
429 BN_mod_exp(r, g, p, N, bn_ctx) &&
442 /* This callback is used here for two purposes:
444 - making some primality tests for unknown groups
445 The callback is only called for a non default group.
447 An application does not need the call back at all if
448 only the stanard groups are used. In real life situations,
449 client and server already share well known groups,
450 thus there is no need to verify them.
451 Furthermore, in case that a server actually proposes a group that
452 is not one of those defined in RFC 5054, it is more appropriate
453 to add the group to a static list and then compare since
454 primality tests are rather cpu consuming.
457 static int MS_CALLBACK ssl_srp_verify_param_cb(SSL *s, void *arg)
459 SRP_ARG *srp_arg = (SRP_ARG *)arg;
460 BIGNUM *N = NULL, *g = NULL;
461 if (!(N = SSL_get_srp_N(s)) || !(g = SSL_get_srp_g(s)))
463 if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1)
465 BIO_printf(bio_err, "SRP parameters:\n");
466 BIO_printf(bio_err,"\tN="); BN_print(bio_err,N);
467 BIO_printf(bio_err,"\n\tg="); BN_print(bio_err,g);
468 BIO_printf(bio_err,"\n");
471 if (SRP_check_known_gN_param(g,N))
474 if (srp_arg->amp == 1)
477 BIO_printf(bio_err, "SRP param N and g are not known params, going to check deeper.\n");
479 /* The srp_moregroups is a real debugging feature.
480 Implementors should rather add the value to the known ones.
481 The minimal size has already been tested.
483 if (BN_num_bits(g) <= BN_BITS && srp_Verify_N_and_g(N,g))
486 BIO_printf(bio_err, "SRP param N and g rejected.\n");
490 #define PWD_STRLEN 1024
492 static char * MS_CALLBACK ssl_give_srp_client_pwd_cb(SSL *s, void *arg)
494 SRP_ARG *srp_arg = (SRP_ARG *)arg;
495 char *pass = (char *)OPENSSL_malloc(PWD_STRLEN+1);
499 cb_tmp.password = (char *)srp_arg->srppassin;
500 cb_tmp.prompt_info = "SRP user";
501 if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp))<0)
503 BIO_printf (bio_err, "Can't read Password\n");
513 #ifndef OPENSSL_NO_SRTP
514 char *srtp_profiles = NULL;
517 # ifndef OPENSSL_NO_NEXTPROTONEG
518 /* This the context that we pass to next_proto_cb */
519 typedef struct tlsextnextprotoctx_st {
523 } tlsextnextprotoctx;
525 static tlsextnextprotoctx next_proto;
527 static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen, const unsigned char *in, unsigned int inlen, void *arg)
529 tlsextnextprotoctx *ctx = arg;
533 /* We can assume that |in| is syntactically valid. */
535 BIO_printf(bio_c_out, "Protocols advertised by server: ");
536 for (i = 0; i < inlen; )
539 BIO_write(bio_c_out, ", ", 2);
540 BIO_write(bio_c_out, &in[i + 1], in[i]);
543 BIO_write(bio_c_out, "\n", 1);
546 ctx->status = SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len);
547 return SSL_TLSEXT_ERR_OK;
549 # endif /* ndef OPENSSL_NO_NEXTPROTONEG */
551 static int serverinfo_cli_parse_cb(SSL* s, unsigned int ext_type,
552 const unsigned char* in, size_t inlen,
556 unsigned char ext_buf[4 + 65536];
558 /* Reconstruct the type/len fields prior to extension data */
559 ext_buf[0] = ext_type >> 8;
560 ext_buf[1] = ext_type & 0xFF;
561 ext_buf[2] = inlen >> 8;
562 ext_buf[3] = inlen & 0xFF;
563 memcpy(ext_buf+4, in, inlen);
565 BIO_snprintf(pem_name, sizeof(pem_name), "SERVERINFO FOR EXTENSION %d",
567 PEM_write_bio(bio_c_out, pem_name, "", ext_buf, 4 + inlen);
583 int MAIN(int, char **);
585 int MAIN(int argc, char **argv)
589 #ifndef OPENSSL_NO_KRB5
592 int s,k,width,state=0;
593 char *cbuf=NULL,*sbuf=NULL,*mbuf=NULL;
594 int cbuf_len,cbuf_off;
595 int sbuf_len,sbuf_off;
596 fd_set readfds,writefds;
599 char *host=SSL_HOST_NAME;
600 const char *unix_path = NULL;
601 char *xmpphost = NULL;
602 char *cert_file=NULL,*key_file=NULL,*chain_file=NULL;
603 int cert_format = FORMAT_PEM, key_format = FORMAT_PEM;
604 char *passarg = NULL, *pass = NULL;
606 EVP_PKEY *key = NULL;
607 STACK_OF(X509) *chain = NULL;
608 char *CApath=NULL,*CAfile=NULL;
609 char *chCApath=NULL,*chCAfile=NULL;
610 char *vfyCApath=NULL,*vfyCAfile=NULL;
611 int reconnect=0,badop=0,verify=SSL_VERIFY_NONE;
613 int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending;
615 int ret=1,in_init=1,i,nbio_test=0;
616 int starttls_proto = PROTO_OFF;
618 X509_VERIFY_PARAM *vpm = NULL;
620 const SSL_METHOD *meth=NULL;
621 int socket_type=SOCK_STREAM;
625 struct timeval timeout, *timeoutp;
626 #ifndef OPENSSL_NO_ENGINE
627 char *engine_id=NULL;
628 char *ssl_client_engine_id=NULL;
629 ENGINE *ssl_client_engine=NULL;
632 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
635 #ifndef OPENSSL_NO_TLSEXT
636 char *servername = NULL;
637 tlsextctx tlsextcbp =
639 # ifndef OPENSSL_NO_NEXTPROTONEG
640 const char *next_proto_neg_in = NULL;
642 const char *alpn_in = NULL;
643 # define MAX_SI_TYPES 100
644 unsigned short serverinfo_types[MAX_SI_TYPES];
645 int serverinfo_types_count = 0;
647 char *sess_in = NULL;
648 char *sess_out = NULL;
649 struct sockaddr peer;
650 int peerlen = sizeof(peer);
651 int fallback_scsv = 0;
652 int enable_timeouts = 0 ;
654 #ifndef OPENSSL_NO_JPAKE
655 static char *jpake_secret = NULL;
656 #define no_jpake !jpake_secret
660 #ifndef OPENSSL_NO_SRP
661 char * srppass = NULL;
662 int srp_lateuser = 0;
663 SRP_ARG srp_arg = {NULL,NULL,0,0,0,1024};
665 SSL_EXCERT *exc = NULL;
667 SSL_CONF_CTX *cctx = NULL;
668 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
670 char *crl_file = NULL;
671 int crl_format = FORMAT_PEM;
672 int crl_download = 0;
673 STACK_OF(X509_CRL) *crls = NULL;
676 meth=SSLv23_client_method();
687 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
689 if (!load_config(bio_err, NULL))
691 cctx = SSL_CONF_CTX_new();
694 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT);
695 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CMDLINE);
697 if ( ((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
698 ((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
699 ((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL))
701 BIO_printf(bio_err,"out of memory\n");
706 verify_error=X509_V_OK;
715 if (strcmp(*argv,"-host") == 0)
717 if (--argc < 1) goto bad;
720 else if (strcmp(*argv,"-port") == 0)
722 if (--argc < 1) goto bad;
723 port=atoi(*(++argv));
724 if (port == 0) goto bad;
726 else if (strcmp(*argv,"-connect") == 0)
728 if (--argc < 1) goto bad;
729 if (!extract_host_port(*(++argv),&host,NULL,&port))
732 else if (strcmp(*argv,"-unix") == 0)
734 if (--argc < 1) goto bad;
735 unix_path = *(++argv);
737 else if (strcmp(*argv,"-xmpphost") == 0)
739 if (--argc < 1) goto bad;
742 else if (strcmp(*argv,"-verify") == 0)
744 verify=SSL_VERIFY_PEER;
745 if (--argc < 1) goto bad;
746 verify_depth=atoi(*(++argv));
748 BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
750 else if (strcmp(*argv,"-cert") == 0)
752 if (--argc < 1) goto bad;
753 cert_file= *(++argv);
755 else if (strcmp(*argv,"-CRL") == 0)
757 if (--argc < 1) goto bad;
760 else if (strcmp(*argv,"-crl_download") == 0)
762 else if (strcmp(*argv,"-sess_out") == 0)
764 if (--argc < 1) goto bad;
765 sess_out = *(++argv);
767 else if (strcmp(*argv,"-sess_in") == 0)
769 if (--argc < 1) goto bad;
772 else if (strcmp(*argv,"-certform") == 0)
774 if (--argc < 1) goto bad;
775 cert_format = str2fmt(*(++argv));
777 else if (strcmp(*argv,"-CRLform") == 0)
779 if (--argc < 1) goto bad;
780 crl_format = str2fmt(*(++argv));
782 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
788 else if (strcmp(*argv,"-verify_return_error") == 0)
789 verify_return_error = 1;
790 else if (strcmp(*argv,"-verify_quiet") == 0)
792 else if (strcmp(*argv,"-brief") == 0)
798 else if (args_excert(&argv, &argc, &badarg, bio_err, &exc))
804 else if (args_ssl(&argv, &argc, cctx, &badarg, bio_err, &ssl_args))
810 else if (strcmp(*argv,"-prexit") == 0)
812 else if (strcmp(*argv,"-crlf") == 0)
814 else if (strcmp(*argv,"-quiet") == 0)
819 else if (strcmp(*argv,"-ign_eof") == 0)
821 else if (strcmp(*argv,"-no_ign_eof") == 0)
823 else if (strcmp(*argv,"-pause") == 0)
825 else if (strcmp(*argv,"-debug") == 0)
827 #ifndef OPENSSL_NO_TLSEXT
828 else if (strcmp(*argv,"-tlsextdebug") == 0)
830 else if (strcmp(*argv,"-status") == 0)
834 else if (strcmp(*argv,"-wdebug") == 0)
837 else if (strcmp(*argv,"-msg") == 0)
839 else if (strcmp(*argv,"-msgfile") == 0)
841 if (--argc < 1) goto bad;
842 bio_c_msg = BIO_new_file(*(++argv), "w");
844 #ifndef OPENSSL_NO_SSL_TRACE
845 else if (strcmp(*argv,"-trace") == 0)
848 else if (strcmp(*argv,"-security_debug") == 0)
850 else if (strcmp(*argv,"-security_debug_verbose") == 0)
852 else if (strcmp(*argv,"-showcerts") == 0)
854 else if (strcmp(*argv,"-nbio_test") == 0)
856 else if (strcmp(*argv,"-state") == 0)
858 #ifndef OPENSSL_NO_PSK
859 else if (strcmp(*argv,"-psk_identity") == 0)
861 if (--argc < 1) goto bad;
862 psk_identity=*(++argv);
864 else if (strcmp(*argv,"-psk") == 0)
868 if (--argc < 1) goto bad;
870 for (j = 0; j < strlen(psk_key); j++)
872 if (isxdigit((unsigned char)psk_key[j]))
874 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
879 #ifndef OPENSSL_NO_SRP
880 else if (strcmp(*argv,"-srpuser") == 0)
882 if (--argc < 1) goto bad;
883 srp_arg.srplogin= *(++argv);
884 meth=TLSv1_client_method();
886 else if (strcmp(*argv,"-srppass") == 0)
888 if (--argc < 1) goto bad;
890 meth=TLSv1_client_method();
892 else if (strcmp(*argv,"-srp_strength") == 0)
894 if (--argc < 1) goto bad;
895 srp_arg.strength=atoi(*(++argv));
896 BIO_printf(bio_err,"SRP minimal length for N is %d\n",srp_arg.strength);
897 meth=TLSv1_client_method();
899 else if (strcmp(*argv,"-srp_lateuser") == 0)
902 meth=TLSv1_client_method();
904 else if (strcmp(*argv,"-srp_moregroups") == 0)
907 meth=TLSv1_client_method();
910 #ifndef OPENSSL_NO_SSL3_METHOD
911 else if (strcmp(*argv,"-ssl3") == 0)
912 meth=SSLv3_client_method();
914 #ifndef OPENSSL_NO_TLS1
915 else if (strcmp(*argv,"-tls1_2") == 0)
916 meth=TLSv1_2_client_method();
917 else if (strcmp(*argv,"-tls1_1") == 0)
918 meth=TLSv1_1_client_method();
919 else if (strcmp(*argv,"-tls1") == 0)
920 meth=TLSv1_client_method();
922 #ifndef OPENSSL_NO_DTLS1
923 else if (strcmp(*argv,"-dtls") == 0)
925 meth=DTLS_client_method();
926 socket_type=SOCK_DGRAM;
928 else if (strcmp(*argv,"-dtls1") == 0)
930 meth=DTLSv1_client_method();
931 socket_type=SOCK_DGRAM;
933 else if (strcmp(*argv,"-dtls1_2") == 0)
935 meth=DTLSv1_2_client_method();
936 socket_type=SOCK_DGRAM;
938 else if (strcmp(*argv,"-timeout") == 0)
940 else if (strcmp(*argv,"-mtu") == 0)
942 if (--argc < 1) goto bad;
943 socket_mtu = atol(*(++argv));
946 else if (strcmp(*argv,"-fallback_scsv") == 0)
950 else if (strcmp(*argv,"-keyform") == 0)
952 if (--argc < 1) goto bad;
953 key_format = str2fmt(*(++argv));
955 else if (strcmp(*argv,"-pass") == 0)
957 if (--argc < 1) goto bad;
960 else if (strcmp(*argv,"-cert_chain") == 0)
962 if (--argc < 1) goto bad;
963 chain_file= *(++argv);
965 else if (strcmp(*argv,"-key") == 0)
967 if (--argc < 1) goto bad;
970 else if (strcmp(*argv,"-reconnect") == 0)
974 else if (strcmp(*argv,"-CApath") == 0)
976 if (--argc < 1) goto bad;
979 else if (strcmp(*argv,"-chainCApath") == 0)
981 if (--argc < 1) goto bad;
984 else if (strcmp(*argv,"-verifyCApath") == 0)
986 if (--argc < 1) goto bad;
987 vfyCApath= *(++argv);
989 else if (strcmp(*argv,"-build_chain") == 0)
991 else if (strcmp(*argv,"-CAfile") == 0)
993 if (--argc < 1) goto bad;
996 else if (strcmp(*argv,"-chainCAfile") == 0)
998 if (--argc < 1) goto bad;
1001 else if (strcmp(*argv,"-verifyCAfile") == 0)
1003 if (--argc < 1) goto bad;
1004 vfyCAfile= *(++argv);
1006 #ifndef OPENSSL_NO_TLSEXT
1007 # ifndef OPENSSL_NO_NEXTPROTONEG
1008 else if (strcmp(*argv,"-nextprotoneg") == 0)
1010 if (--argc < 1) goto bad;
1011 next_proto_neg_in = *(++argv);
1014 else if (strcmp(*argv,"-alpn") == 0)
1016 if (--argc < 1) goto bad;
1017 alpn_in = *(++argv);
1019 else if (strcmp(*argv,"-serverinfo") == 0)
1025 if (--argc < 1) goto bad;
1027 serverinfo_types_count = 0;
1029 for (i = 0; i <= len; ++i)
1031 if (i == len || c[i] == ',')
1033 serverinfo_types[serverinfo_types_count]
1035 serverinfo_types_count++;
1038 if (serverinfo_types_count == MAX_SI_TYPES)
1044 else if (strcmp(*argv,"-nbio") == 0)
1047 else if (strcmp(*argv,"-starttls") == 0)
1049 if (--argc < 1) goto bad;
1051 if (strcmp(*argv,"smtp") == 0)
1052 starttls_proto = PROTO_SMTP;
1053 else if (strcmp(*argv,"pop3") == 0)
1054 starttls_proto = PROTO_POP3;
1055 else if (strcmp(*argv,"imap") == 0)
1056 starttls_proto = PROTO_IMAP;
1057 else if (strcmp(*argv,"ftp") == 0)
1058 starttls_proto = PROTO_FTP;
1059 else if (strcmp(*argv, "xmpp") == 0)
1060 starttls_proto = PROTO_XMPP;
1064 #ifndef OPENSSL_NO_ENGINE
1065 else if (strcmp(*argv,"-engine") == 0)
1067 if (--argc < 1) goto bad;
1068 engine_id = *(++argv);
1070 else if (strcmp(*argv,"-ssl_client_engine") == 0)
1072 if (--argc < 1) goto bad;
1073 ssl_client_engine_id = *(++argv);
1076 else if (strcmp(*argv,"-rand") == 0)
1078 if (--argc < 1) goto bad;
1081 #ifndef OPENSSL_NO_TLSEXT
1082 else if (strcmp(*argv,"-servername") == 0)
1084 if (--argc < 1) goto bad;
1085 servername= *(++argv);
1086 /* meth=TLSv1_client_method(); */
1089 #ifndef OPENSSL_NO_JPAKE
1090 else if (strcmp(*argv,"-jpake") == 0)
1092 if (--argc < 1) goto bad;
1093 jpake_secret = *++argv;
1096 #ifndef OPENSSL_NO_SRTP
1097 else if (strcmp(*argv,"-use_srtp") == 0)
1099 if (--argc < 1) goto bad;
1100 srtp_profiles = *(++argv);
1103 else if (strcmp(*argv,"-keymatexport") == 0)
1105 if (--argc < 1) goto bad;
1106 keymatexportlabel= *(++argv);
1108 else if (strcmp(*argv,"-keymatexportlen") == 0)
1110 if (--argc < 1) goto bad;
1111 keymatexportlen=atoi(*(++argv));
1112 if (keymatexportlen == 0) goto bad;
1116 BIO_printf(bio_err,"unknown option %s\n",*argv);
1130 if (unix_path && (socket_type != SOCK_STREAM))
1132 BIO_printf(bio_err, "Can't use unix sockets and datagrams together\n");
1135 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1141 "Can't use JPAKE and PSK together\n");
1144 psk_identity = "JPAKE";
1148 OpenSSL_add_ssl_algorithms();
1149 SSL_load_error_strings();
1151 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
1152 next_proto.status = -1;
1153 if (next_proto_neg_in)
1155 next_proto.data = next_protos_parse(&next_proto.len, next_proto_neg_in);
1156 if (next_proto.data == NULL)
1158 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n");
1163 next_proto.data = NULL;
1166 #ifndef OPENSSL_NO_ENGINE
1167 e = setup_engine(bio_err, engine_id, 1);
1168 if (ssl_client_engine_id)
1170 ssl_client_engine = ENGINE_by_id(ssl_client_engine_id);
1171 if (!ssl_client_engine)
1174 "Error getting client auth engine\n");
1180 if (!app_passwd(bio_err, passarg, NULL, &pass, NULL))
1182 BIO_printf(bio_err, "Error getting password\n");
1186 if (key_file == NULL)
1187 key_file = cert_file;
1194 key = load_key(bio_err, key_file, key_format, 0, pass, e,
1195 "client certificate private key file");
1198 ERR_print_errors(bio_err);
1207 cert = load_cert(bio_err,cert_file,cert_format,
1208 NULL, e, "client certificate file");
1212 ERR_print_errors(bio_err);
1219 chain = load_certs(bio_err, chain_file,FORMAT_PEM,
1220 NULL, e, "client certificate chain");
1228 crl = load_crl(crl_file, crl_format);
1231 BIO_puts(bio_err, "Error loading CRL\n");
1232 ERR_print_errors(bio_err);
1235 crls = sk_X509_CRL_new_null();
1236 if (!crls || !sk_X509_CRL_push(crls, crl))
1238 BIO_puts(bio_err, "Error adding CRL\n");
1239 ERR_print_errors(bio_err);
1245 if (!load_excert(&exc, bio_err))
1248 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1251 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
1254 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
1255 app_RAND_load_files(inrand));
1257 if (bio_c_out == NULL)
1259 if (c_quiet && !c_debug)
1261 bio_c_out=BIO_new(BIO_s_null());
1262 if (c_msg && !bio_c_msg)
1263 bio_c_msg=BIO_new_fp(stdout,BIO_NOCLOSE);
1267 if (bio_c_out == NULL)
1268 bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE);
1272 #ifndef OPENSSL_NO_SRP
1273 if(!app_passwd(bio_err, srppass, NULL, &srp_arg.srppassin, NULL))
1275 BIO_printf(bio_err, "Error getting password\n");
1280 ctx=SSL_CTX_new(meth);
1283 ERR_print_errors(bio_err);
1288 ssl_ctx_security_debug(ctx, bio_err, sdebug);
1291 SSL_CTX_set1_param(ctx, vpm);
1293 if (!args_ssl_call(ctx, bio_err, cctx, ssl_args, 1, no_jpake))
1295 ERR_print_errors(bio_err);
1299 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1300 crls, crl_download))
1302 BIO_printf(bio_err, "Error loading store locations\n");
1303 ERR_print_errors(bio_err);
1307 #ifndef OPENSSL_NO_ENGINE
1308 if (ssl_client_engine)
1310 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine))
1312 BIO_puts(bio_err, "Error setting client auth engine\n");
1313 ERR_print_errors(bio_err);
1314 ENGINE_free(ssl_client_engine);
1317 ENGINE_free(ssl_client_engine);
1321 #ifndef OPENSSL_NO_PSK
1322 #ifdef OPENSSL_NO_JPAKE
1323 if (psk_key != NULL)
1325 if (psk_key != NULL || jpake_secret)
1329 BIO_printf(bio_c_out, "PSK key given or JPAKE in use, setting client callback\n");
1330 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
1333 #ifndef OPENSSL_NO_SRTP
1334 if (srtp_profiles != NULL)
1335 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1337 if (exc) ssl_ctx_set_excert(ctx, exc);
1338 /* DTLS: partial reads end up discarding unread UDP bytes :-(
1339 * Setting read ahead solves this problem.
1341 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1343 #if !defined(OPENSSL_NO_TLSEXT)
1344 # if !defined(OPENSSL_NO_NEXTPROTONEG)
1345 if (next_proto.data)
1346 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
1350 unsigned short alpn_len;
1351 unsigned char *alpn = next_protos_parse(&alpn_len, alpn_in);
1355 BIO_printf(bio_err, "Error parsing -alpn argument\n");
1358 SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len);
1362 #ifndef OPENSSL_NO_TLSEXT
1363 for (i = 0; i < serverinfo_types_count; i++)
1365 SSL_CTX_add_client_custom_ext(ctx,
1366 serverinfo_types[i],
1368 serverinfo_cli_parse_cb,
1373 if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1376 SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER"));
1379 SSL_CTX_set_verify(ctx,verify,verify_callback);
1381 if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
1382 (!SSL_CTX_set_default_verify_paths(ctx)))
1384 /* BIO_printf(bio_err,"error setting default verify locations\n"); */
1385 ERR_print_errors(bio_err);
1389 ssl_ctx_add_crls(ctx, crls, crl_download);
1391 if (!set_cert_key_stuff(ctx,cert,key,chain,build_chain))
1394 #ifndef OPENSSL_NO_TLSEXT
1395 if (servername != NULL)
1397 tlsextcbp.biodebug = bio_err;
1398 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1399 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1401 #ifndef OPENSSL_NO_SRP
1402 if (srp_arg.srplogin)
1404 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin))
1406 BIO_printf(bio_err,"Unable to set SRP username\n");
1409 srp_arg.msg = c_msg;
1410 srp_arg.debug = c_debug ;
1411 SSL_CTX_set_srp_cb_arg(ctx,&srp_arg);
1412 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb);
1413 SSL_CTX_set_srp_strength(ctx, srp_arg.strength);
1414 if (c_msg || c_debug || srp_arg.amp == 0)
1415 SSL_CTX_set_srp_verify_param_callback(ctx, ssl_srp_verify_param_cb);
1425 BIO *stmp = BIO_new_file(sess_in, "r");
1428 BIO_printf(bio_err, "Can't open session file %s\n",
1430 ERR_print_errors(bio_err);
1433 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1437 BIO_printf(bio_err, "Can't open session file %s\n",
1439 ERR_print_errors(bio_err);
1442 SSL_set_session(con, sess);
1443 SSL_SESSION_free(sess);
1447 SSL_set_mode(con, SSL_MODE_SEND_FALLBACK_SCSV);
1449 #ifndef OPENSSL_NO_TLSEXT
1450 if (servername != NULL)
1452 if (!SSL_set_tlsext_host_name(con,servername))
1454 BIO_printf(bio_err,"Unable to set TLS servername extension.\n");
1455 ERR_print_errors(bio_err);
1460 #ifndef OPENSSL_NO_KRB5
1461 if (con && (kctx = kssl_ctx_new()) != NULL)
1463 SSL_set0_kssl_ctx(con, kctx);
1464 kssl_ctx_setstring(kctx, KSSL_SERVER, host);
1466 #endif /* OPENSSL_NO_KRB5 */
1467 /* SSL_set_cipher_list(con,"RC4-MD5"); */
1469 #ifdef TLSEXT_TYPE_opaque_prf_input
1470 SSL_set_tlsext_opaque_prf_input(con, "Test client", 11);
1476 if (init_client(&s,host,port,socket_type) == 0)
1478 if ((!unix_path && (init_client(&s,host,port,socket_type) == 0)) ||
1479 (unix_path && (init_client_unix(&s,unix_path) == 0)))
1482 BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error());
1486 BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s);
1492 BIO_printf(bio_c_out,"turning on non blocking io\n");
1493 if (BIO_socket_ioctl(s,FIONBIO,&l) < 0)
1495 ERR_print_errors(bio_err);
1500 if (c_Pause & 0x01) SSL_set_debug(con, 1);
1502 if (socket_type == SOCK_DGRAM)
1505 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
1506 if (getsockname(s, &peer, (void *)&peerlen) < 0)
1508 BIO_printf(bio_err, "getsockname:errno=%d\n",
1509 get_last_socket_error());
1514 (void)BIO_ctrl_set_connected(sbio, 1, &peer);
1516 if (enable_timeouts)
1519 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1520 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1523 timeout.tv_usec = DGRAM_SND_TIMEOUT;
1524 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1529 if(socket_mtu < DTLS_get_link_min_mtu(con))
1531 BIO_printf(bio_err,"MTU too small. Must be at least %ld\n",
1532 DTLS_get_link_min_mtu(con));
1536 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1537 if(!DTLS_set_link_mtu(con, socket_mtu))
1539 BIO_printf(bio_err, "Failed to set MTU\n");
1545 /* want to do MTU discovery */
1546 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1549 sbio=BIO_new_socket(s,BIO_NOCLOSE);
1555 test=BIO_new(BIO_f_nbio_test());
1556 sbio=BIO_push(test,sbio);
1561 SSL_set_debug(con, 1);
1562 BIO_set_callback(sbio,bio_dump_callback);
1563 BIO_set_callback_arg(sbio,(char *)bio_c_out);
1567 #ifndef OPENSSL_NO_SSL_TRACE
1569 SSL_set_msg_callback(con, SSL_trace);
1572 SSL_set_msg_callback(con, msg_cb);
1573 SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out);
1575 #ifndef OPENSSL_NO_TLSEXT
1578 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1579 SSL_set_tlsext_debug_arg(con, bio_c_out);
1583 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
1584 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
1585 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
1588 STACK_OF(OCSP_RESPID) *ids = sk_OCSP_RESPID_new_null();
1589 OCSP_RESPID *id = OCSP_RESPID_new();
1590 id->value.byKey = ASN1_OCTET_STRING_new();
1591 id->type = V_OCSP_RESPID_KEY;
1592 ASN1_STRING_set(id->value.byKey, "Hello World", -1);
1593 sk_OCSP_RESPID_push(ids, id);
1594 SSL_set_tlsext_status_ids(con, ids);
1599 #ifndef OPENSSL_NO_JPAKE
1601 jpake_client_auth(bio_c_out, sbio, jpake_secret);
1604 SSL_set_bio(con,sbio,sbio);
1605 SSL_set_connect_state(con);
1607 /* ok, lets connect */
1608 width=SSL_get_fd(con)+1;
1621 /* This is an ugly hack that does a lot of assumptions */
1622 /* We do have to handle multi-line responses which may come
1623 in a single packet or not. We therefore have to use
1624 BIO_gets() which does need a buffering BIO. So during
1625 the initial chitchat we do push a buffering BIO into the
1626 chain that is removed again later on to not disturb the
1627 rest of the s_client operation. */
1628 if (starttls_proto == PROTO_SMTP)
1631 BIO *fbio = BIO_new(BIO_f_buffer());
1632 BIO_push(fbio, sbio);
1633 /* wait for multi-line response to end from SMTP */
1636 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1638 while (mbuf_len>3 && mbuf[3]=='-');
1639 /* STARTTLS command requires EHLO... */
1640 BIO_printf(fbio,"EHLO openssl.client.net\r\n");
1641 (void)BIO_flush(fbio);
1642 /* wait for multi-line response to end EHLO SMTP response */
1645 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1646 if (strstr(mbuf,"STARTTLS"))
1649 while (mbuf_len>3 && mbuf[3]=='-');
1650 (void)BIO_flush(fbio);
1655 "didn't found starttls in server response,"
1656 " try anyway...\n");
1657 BIO_printf(sbio,"STARTTLS\r\n");
1658 BIO_read(sbio,sbuf,BUFSIZZ);
1660 else if (starttls_proto == PROTO_POP3)
1662 BIO_read(sbio,mbuf,BUFSIZZ);
1663 BIO_printf(sbio,"STLS\r\n");
1664 BIO_read(sbio,sbuf,BUFSIZZ);
1666 else if (starttls_proto == PROTO_IMAP)
1669 BIO *fbio = BIO_new(BIO_f_buffer());
1670 BIO_push(fbio, sbio);
1671 BIO_gets(fbio,mbuf,BUFSIZZ);
1672 /* STARTTLS command requires CAPABILITY... */
1673 BIO_printf(fbio,". CAPABILITY\r\n");
1674 (void)BIO_flush(fbio);
1675 /* wait for multi-line CAPABILITY response */
1678 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1679 if (strstr(mbuf,"STARTTLS"))
1682 while (mbuf_len>3 && mbuf[0]!='.');
1683 (void)BIO_flush(fbio);
1688 "didn't found STARTTLS in server response,"
1689 " try anyway...\n");
1690 BIO_printf(sbio,". STARTTLS\r\n");
1691 BIO_read(sbio,sbuf,BUFSIZZ);
1693 else if (starttls_proto == PROTO_FTP)
1695 BIO *fbio = BIO_new(BIO_f_buffer());
1696 BIO_push(fbio, sbio);
1697 /* wait for multi-line response to end from FTP */
1700 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1702 while (mbuf_len>3 && mbuf[3]=='-');
1703 (void)BIO_flush(fbio);
1706 BIO_printf(sbio,"AUTH TLS\r\n");
1707 BIO_read(sbio,sbuf,BUFSIZZ);
1709 if (starttls_proto == PROTO_XMPP)
1712 BIO_printf(sbio,"<stream:stream "
1713 "xmlns:stream='http://etherx.jabber.org/streams' "
1714 "xmlns='jabber:client' to='%s' version='1.0'>", xmpphost ?
1716 seen = BIO_read(sbio,mbuf,BUFSIZZ);
1718 while (!strstr(mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'") &&
1719 !strstr(mbuf, "<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\""))
1721 seen = BIO_read(sbio,mbuf,BUFSIZZ);
1728 BIO_printf(sbio, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
1729 seen = BIO_read(sbio,sbuf,BUFSIZZ);
1731 if (!strstr(sbuf, "<proceed"))
1741 if ((SSL_version(con) == DTLS1_VERSION) &&
1742 DTLSv1_get_timeout(con, &timeout))
1743 timeoutp = &timeout;
1747 if (SSL_in_init(con) && !SSL_total_renegotiations(con))
1758 #if 0 /* This test doesn't really work as intended (needs to be fixed) */
1759 #ifndef OPENSSL_NO_TLSEXT
1760 if (servername != NULL && !SSL_session_reused(con))
1762 BIO_printf(bio_c_out,"Server did %sacknowledge servername extension.\n",tlsextcbp.ack?"":"not ");
1768 BIO *stmp = BIO_new_file(sess_out, "w");
1771 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));
1775 BIO_printf(bio_err, "Error writing session file %s\n", sess_out);
1780 "CONNECTION ESTABLISHED\n");
1781 print_ssl_summary(bio_err, con);
1784 print_stuff(bio_c_out,con,full_log);
1785 if (full_log > 0) full_log--;
1789 BIO_printf(bio_err,"%s",mbuf);
1790 /* We don't need to know any more */
1791 starttls_proto = PROTO_OFF;
1797 BIO_printf(bio_c_out,"drop connection and then reconnect\n");
1799 SSL_set_connect_state(con);
1800 SHUTDOWN(SSL_get_fd(con));
1806 ssl_pending = read_ssl && SSL_pending(con);
1810 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE)
1813 if (read_tty) openssl_fdset(fileno(stdin),&readfds);
1814 if (write_tty) openssl_fdset(fileno(stdout),&writefds);
1817 openssl_fdset(SSL_get_fd(con),&readfds);
1819 openssl_fdset(SSL_get_fd(con),&writefds);
1821 if(!tty_on || !write_tty) {
1823 openssl_fdset(SSL_get_fd(con),&readfds);
1825 openssl_fdset(SSL_get_fd(con),&writefds);
1828 /* printf("mode tty(%d %d%d) ssl(%d%d)\n",
1829 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
1831 /* Note: under VMS with SOCKETSHR the second parameter
1832 * is currently of type (int *) whereas under other
1833 * systems it is (void *) if you don't have a cast it
1834 * will choke the compiler: if you do have a cast then
1835 * you can either go for (int *) or (void *).
1837 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1838 /* Under Windows/DOS we make the assumption that we can
1839 * always write to the tty: therefore if we need to
1840 * write to the tty we just fall through. Otherwise
1841 * we timeout the select every second and see if there
1842 * are any keypresses. Note: this is a hack, in a proper
1843 * Windows application we wouldn't do this.
1850 i=select(width,(void *)&readfds,(void *)&writefds,
1852 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1853 if(!i && (!_kbhit() || !read_tty) ) continue;
1855 if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue;
1857 } else i=select(width,(void *)&readfds,(void *)&writefds,
1860 #elif defined(OPENSSL_SYS_NETWARE)
1865 i=select(width,(void *)&readfds,(void *)&writefds,
1867 } else i=select(width,(void *)&readfds,(void *)&writefds,
1871 i=select(width,(void *)&readfds,(void *)&writefds,
1876 BIO_printf(bio_err,"bad select %d\n",
1877 get_last_socket_error());
1883 if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
1885 BIO_printf(bio_err,"TIMEOUT occurred\n");
1888 if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds))
1890 k=SSL_write(con,&(cbuf[cbuf_off]),
1891 (unsigned int)cbuf_len);
1892 switch (SSL_get_error(con,k))
1894 case SSL_ERROR_NONE:
1897 if (k <= 0) goto end;
1898 /* we have done a write(con,NULL,0); */
1904 else /* if (cbuf_len > 0) */
1910 case SSL_ERROR_WANT_WRITE:
1911 BIO_printf(bio_c_out,"write W BLOCK\n");
1915 case SSL_ERROR_WANT_READ:
1916 BIO_printf(bio_c_out,"write R BLOCK\n");
1921 case SSL_ERROR_WANT_X509_LOOKUP:
1922 BIO_printf(bio_c_out,"write X BLOCK\n");
1924 case SSL_ERROR_ZERO_RETURN:
1927 BIO_printf(bio_c_out,"shutdown\n");
1938 case SSL_ERROR_SYSCALL:
1939 if ((k != 0) || (cbuf_len != 0))
1941 BIO_printf(bio_err,"write:errno=%d\n",
1942 get_last_socket_error());
1952 ERR_print_errors(bio_err);
1956 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
1957 /* Assume Windows/DOS/BeOS can always write */
1958 else if (!ssl_pending && write_tty)
1960 else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds))
1963 #ifdef CHARSET_EBCDIC
1964 ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len);
1966 i=raw_write_stdout(&(sbuf[sbuf_off]),sbuf_len);
1970 BIO_printf(bio_c_out,"DONE\n");
1984 else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds))
1987 { static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } }
1990 k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ );
1992 /* Demo for pending and peek :-) */
1993 k=SSL_read(con,sbuf,16);
1995 printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240));
1999 switch (SSL_get_error(con,k))
2001 case SSL_ERROR_NONE:
2010 case SSL_ERROR_WANT_WRITE:
2011 BIO_printf(bio_c_out,"read W BLOCK\n");
2015 case SSL_ERROR_WANT_READ:
2016 BIO_printf(bio_c_out,"read R BLOCK\n");
2019 if ((read_tty == 0) && (write_ssl == 0))
2022 case SSL_ERROR_WANT_X509_LOOKUP:
2023 BIO_printf(bio_c_out,"read X BLOCK\n");
2025 case SSL_ERROR_SYSCALL:
2026 ret=get_last_socket_error();
2028 BIO_puts(bio_err, "CONNECTION CLOSED BY SERVER\n");
2030 BIO_printf(bio_err,"read:errno=%d\n",ret);
2032 case SSL_ERROR_ZERO_RETURN:
2033 BIO_printf(bio_c_out,"closed\n");
2037 ERR_print_errors(bio_err);
2043 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2044 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
2047 else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
2049 #elif defined (OPENSSL_SYS_NETWARE)
2052 else if (FD_ISSET(fileno(stdin),&readfds))
2059 i=raw_read_stdin(cbuf,BUFSIZZ/2);
2061 /* both loops are skipped when i <= 0 */
2062 for (j = 0; j < i; j++)
2063 if (cbuf[j] == '\n')
2065 for (j = i-1; j >= 0; j--)
2067 cbuf[j+lf_num] = cbuf[j];
2068 if (cbuf[j] == '\n')
2072 cbuf[j+lf_num] = '\r';
2075 assert(lf_num == 0);
2078 i=raw_read_stdin(cbuf,BUFSIZZ);
2080 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q')))
2082 BIO_printf(bio_err,"DONE\n");
2087 if ((!c_ign_eof) && (cbuf[0] == 'R'))
2089 BIO_printf(bio_err,"RENEGOTIATING\n");
2090 SSL_renegotiate(con);
2093 #ifndef OPENSSL_NO_HEARTBEATS
2094 else if ((!c_ign_eof) && (cbuf[0] == 'B'))
2096 BIO_printf(bio_err,"HEARTBEATING\n");
2105 #ifdef CHARSET_EBCDIC
2106 ebcdic2ascii(cbuf, cbuf, i);
2118 print_stuff(bio_c_out,con,full_log);
2120 SHUTDOWN(SSL_get_fd(con));
2125 print_stuff(bio_c_out,con,1);
2128 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2129 if (next_proto.data)
2130 OPENSSL_free(next_proto.data);
2132 if (ctx != NULL) SSL_CTX_free(ctx);
2136 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2140 sk_X509_pop_free(chain, X509_free);
2144 X509_VERIFY_PARAM_free(vpm);
2145 ssl_excert_free(exc);
2147 sk_OPENSSL_STRING_free(ssl_args);
2149 SSL_CONF_CTX_free(cctx);
2150 #ifndef OPENSSL_NO_JPAKE
2151 if (jpake_secret && psk_key)
2152 OPENSSL_free(psk_key);
2154 if (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); }
2155 if (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); }
2156 if (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); }
2157 if (bio_c_out != NULL)
2159 BIO_free(bio_c_out);
2162 if (bio_c_msg != NULL)
2164 BIO_free(bio_c_msg);
2172 static void print_stuff(BIO *bio, SSL *s, int full)
2177 STACK_OF(X509_NAME) *sk2;
2178 const SSL_CIPHER *c;
2181 #ifndef OPENSSL_NO_COMP
2182 const COMP_METHOD *comp, *expansion;
2184 unsigned char *exportedkeymat;
2188 int got_a_chain = 0;
2190 sk=SSL_get_peer_cert_chain(s);
2193 got_a_chain = 1; /* we don't have it for SSL2 (yet) */
2195 BIO_printf(bio,"---\nCertificate chain\n");
2196 for (i=0; i<sk_X509_num(sk); i++)
2198 X509_NAME_oneline(X509_get_subject_name(
2199 sk_X509_value(sk,i)),buf,sizeof buf);
2200 BIO_printf(bio,"%2d s:%s\n",i,buf);
2201 X509_NAME_oneline(X509_get_issuer_name(
2202 sk_X509_value(sk,i)),buf,sizeof buf);
2203 BIO_printf(bio," i:%s\n",buf);
2205 PEM_write_bio_X509(bio,sk_X509_value(sk,i));
2209 BIO_printf(bio,"---\n");
2210 peer=SSL_get_peer_certificate(s);
2213 BIO_printf(bio,"Server certificate\n");
2214 if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */
2215 PEM_write_bio_X509(bio,peer);
2216 X509_NAME_oneline(X509_get_subject_name(peer),
2218 BIO_printf(bio,"subject=%s\n",buf);
2219 X509_NAME_oneline(X509_get_issuer_name(peer),
2221 BIO_printf(bio,"issuer=%s\n",buf);
2224 BIO_printf(bio,"no peer certificate available\n");
2226 sk2=SSL_get_client_CA_list(s);
2227 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0))
2229 BIO_printf(bio,"---\nAcceptable client certificate CA names\n");
2230 for (i=0; i<sk_X509_NAME_num(sk2); i++)
2232 xn=sk_X509_NAME_value(sk2,i);
2233 X509_NAME_oneline(xn,buf,sizeof(buf));
2234 BIO_write(bio,buf,strlen(buf));
2235 BIO_write(bio,"\n",1);
2240 BIO_printf(bio,"---\nNo client certificate CA names sent\n");
2243 ssl_print_sigalgs(bio, s);
2244 ssl_print_tmp_key(bio, s);
2246 BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n",
2247 BIO_number_read(SSL_get_rbio(s)),
2248 BIO_number_written(SSL_get_wbio(s)));
2250 BIO_printf(bio,(SSL_cache_hit(s)?"---\nReused, ":"---\nNew, "));
2251 c=SSL_get_current_cipher(s);
2252 BIO_printf(bio,"%s, Cipher is %s\n",
2253 SSL_CIPHER_get_version(c),
2254 SSL_CIPHER_get_name(c));
2257 pktmp = X509_get_pubkey(peer);
2258 BIO_printf(bio,"Server public key is %d bit\n",
2259 EVP_PKEY_bits(pktmp));
2260 EVP_PKEY_free(pktmp);
2262 BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
2263 SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
2264 #ifndef OPENSSL_NO_COMP
2265 comp=SSL_get_current_compression(s);
2266 expansion=SSL_get_current_expansion(s);
2267 BIO_printf(bio,"Compression: %s\n",
2268 comp ? SSL_COMP_get_name(comp) : "NONE");
2269 BIO_printf(bio,"Expansion: %s\n",
2270 expansion ? SSL_COMP_get_name(expansion) : "NONE");
2275 /* Print out local port of connection: useful for debugging */
2277 struct sockaddr_in ladd;
2278 socklen_t ladd_size = sizeof(ladd);
2279 sock = SSL_get_fd(s);
2280 getsockname(sock, (struct sockaddr *)&ladd, &ladd_size);
2281 BIO_printf(bio_c_out, "LOCAL PORT is %u\n", ntohs(ladd.sin_port));
2285 #if !defined(OPENSSL_NO_TLSEXT)
2286 # if !defined(OPENSSL_NO_NEXTPROTONEG)
2287 if (next_proto.status != -1) {
2288 const unsigned char *proto;
2289 unsigned int proto_len;
2290 SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
2291 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
2292 BIO_write(bio, proto, proto_len);
2293 BIO_write(bio, "\n", 1);
2297 const unsigned char *proto;
2298 unsigned int proto_len;
2299 SSL_get0_alpn_selected(s, &proto, &proto_len);
2302 BIO_printf(bio, "ALPN protocol: ");
2303 BIO_write(bio, proto, proto_len);
2304 BIO_write(bio, "\n", 1);
2307 BIO_printf(bio, "No ALPN negotiated\n");
2311 #ifndef OPENSSL_NO_SRTP
2313 SRTP_PROTECTION_PROFILE *srtp_profile=SSL_get_selected_srtp_profile(s);
2316 BIO_printf(bio,"SRTP Extension negotiated, profile=%s\n",
2317 srtp_profile->name);
2321 SSL_SESSION_print(bio,SSL_get_session(s));
2322 if (keymatexportlabel != NULL)
2324 BIO_printf(bio, "Keying material exporter:\n");
2325 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel);
2326 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen);
2327 exportedkeymat = OPENSSL_malloc(keymatexportlen);
2328 if (exportedkeymat != NULL)
2330 if (!SSL_export_keying_material(s, exportedkeymat,
2333 strlen(keymatexportlabel),
2336 BIO_printf(bio, " Error\n");
2340 BIO_printf(bio, " Keying material: ");
2341 for (i=0; i<keymatexportlen; i++)
2342 BIO_printf(bio, "%02X",
2344 BIO_printf(bio, "\n");
2346 OPENSSL_free(exportedkeymat);
2349 BIO_printf(bio,"---\n");
2352 /* flush, or debugging output gets mixed with http response */
2353 (void)BIO_flush(bio);
2356 #ifndef OPENSSL_NO_TLSEXT
2358 static int ocsp_resp_cb(SSL *s, void *arg)
2360 const unsigned char *p;
2363 len = SSL_get_tlsext_status_ocsp_resp(s, &p);
2364 BIO_puts(arg, "OCSP response: ");
2367 BIO_puts(arg, "no response sent\n");
2370 rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
2373 BIO_puts(arg, "response parse error\n");
2374 BIO_dump_indent(arg, (char *)p, len, 4);
2377 BIO_puts(arg, "\n======================================\n");
2378 OCSP_RESPONSE_print(arg, rsp, 0);
2379 BIO_puts(arg, "======================================\n");
2380 OCSP_RESPONSE_free(rsp);