2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
58 /* ====================================================================
59 * Copyright (c) 1998-2006 The OpenSSL Project. All rights reserved.
61 * Redistribution and use in source and binary forms, with or without
62 * modification, are permitted provided that the following conditions
65 * 1. Redistributions of source code must retain the above copyright
66 * notice, this list of conditions and the following disclaimer.
68 * 2. Redistributions in binary form must reproduce the above copyright
69 * notice, this list of conditions and the following disclaimer in
70 * the documentation and/or other materials provided with the
73 * 3. All advertising materials mentioning features or use of this
74 * software must display the following acknowledgment:
75 * "This product includes software developed by the OpenSSL Project
76 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
78 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
79 * endorse or promote products derived from this software without
80 * prior written permission. For written permission, please contact
81 * openssl-core@openssl.org.
83 * 5. Products derived from this software may not be called "OpenSSL"
84 * nor may "OpenSSL" appear in their names without prior written
85 * permission of the OpenSSL Project.
87 * 6. Redistributions of any form whatsoever must retain the following
89 * "This product includes software developed by the OpenSSL Project
90 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
92 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
93 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
94 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
95 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
96 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
97 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
98 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
99 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
100 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
101 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
102 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
103 * OF THE POSSIBILITY OF SUCH DAMAGE.
104 * ====================================================================
106 * This product includes cryptographic software written by Eric Young
107 * (eay@cryptsoft.com). This product includes software written by Tim
108 * Hudson (tjh@cryptsoft.com).
111 /* ====================================================================
112 * Copyright 2005 Nokia. All rights reserved.
114 * The portions of the attached software ("Contribution") is developed by
115 * Nokia Corporation and is licensed pursuant to the OpenSSL open source
118 * The Contribution, originally written by Mika Kousa and Pasi Eronen of
119 * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
120 * support (see RFC 4279) to OpenSSL.
122 * No patent licenses or other rights except those expressly stated in
123 * the OpenSSL open source license shall be deemed granted or received
124 * expressly, by implication, estoppel, or otherwise.
126 * No assurances are provided by Nokia that the Contribution does not
127 * infringe the patent or other intellectual property rights of any third
128 * party or that the license provides you with all the necessary rights
129 * to make use of the Contribution.
131 * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
132 * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
133 * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
134 * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
143 #include <openssl/e_os2.h>
144 /* With IPv6, it looks like Digital has mixed up the proper order of
145 recursive header file inclusion, resulting in the compiler complaining
146 that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which
147 is needed to have fileno() declared correctly... So let's define u_int */
148 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
150 typedef unsigned int u_int;
155 #include <openssl/x509.h>
156 #include <openssl/ssl.h>
157 #include <openssl/err.h>
158 #include <openssl/pem.h>
159 #include <openssl/rand.h>
160 #include <openssl/ocsp.h>
161 #include <openssl/bn.h>
162 #ifndef OPENSSL_NO_SRP
163 #include <openssl/srp.h>
166 #include "timeouts.h"
168 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
169 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
174 #define PROG s_client_main
176 /*#define SSL_HOST_NAME "www.netscape.com" */
177 /*#define SSL_HOST_NAME "193.118.187.102" */
178 #define SSL_HOST_NAME "localhost"
180 /*#define TEST_CERT "client.pem" */ /* no default cert. */
183 #define BUFSIZZ 1024*8
185 extern int verify_depth;
186 extern int verify_error;
187 extern int verify_return_error;
188 extern int verify_quiet;
193 static int c_Pause=0;
194 static int c_debug=0;
195 #ifndef OPENSSL_NO_TLSEXT
196 static int c_tlsextdebug=0;
197 static int c_status_req=0;
200 static int c_showcerts=0;
202 static char *keymatexportlabel=NULL;
203 static int keymatexportlen=20;
205 static void sc_usage(void);
206 static void print_stuff(BIO *berr,SSL *con,int full);
207 #ifndef OPENSSL_NO_TLSEXT
208 static int ocsp_resp_cb(SSL *s, void *arg);
210 static BIO *bio_c_out=NULL;
211 static BIO *bio_c_msg=NULL;
212 static int c_quiet=0;
213 static int c_ign_eof=0;
214 static int c_brief=0;
216 #ifndef OPENSSL_NO_PSK
217 /* Default PSK identity and key */
218 static char *psk_identity="Client_identity";
219 /*char *psk_key=NULL; by default PSK is not used */
221 static unsigned int psk_client_cb(SSL *ssl, const char *hint, char *identity,
222 unsigned int max_identity_len, unsigned char *psk,
223 unsigned int max_psk_len)
225 unsigned int psk_len = 0;
230 BIO_printf(bio_c_out, "psk_client_cb\n");
233 /* no ServerKeyExchange message*/
235 BIO_printf(bio_c_out,"NULL received PSK identity hint, continuing anyway\n");
238 BIO_printf(bio_c_out, "Received PSK identity hint '%s'\n", hint);
240 /* lookup PSK identity and PSK key based on the given identity hint here */
241 ret = BIO_snprintf(identity, max_identity_len, "%s", psk_identity);
242 if (ret < 0 || (unsigned int)ret > max_identity_len)
245 BIO_printf(bio_c_out, "created identity '%s' len=%d\n", identity, ret);
246 ret=BN_hex2bn(&bn, psk_key);
249 BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key);
255 if ((unsigned int)BN_num_bytes(bn) > max_psk_len)
257 BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n",
258 max_psk_len, BN_num_bytes(bn));
263 psk_len=BN_bn2bin(bn, psk);
269 BIO_printf(bio_c_out, "created PSK len=%d\n", psk_len);
274 BIO_printf(bio_err, "Error in PSK client callback\n");
279 static void sc_usage(void)
281 BIO_printf(bio_err,"usage: s_client args\n");
282 BIO_printf(bio_err,"\n");
283 BIO_printf(bio_err," -host host - use -connect instead\n");
284 BIO_printf(bio_err," -port port - use -connect instead\n");
285 BIO_printf(bio_err," -connect host:port - connect over TCP/IP (default is %s:%s)\n",SSL_HOST_NAME,PORT_STR);
286 BIO_printf(bio_err," -unix path - connect over unix domain sockets\n");
287 BIO_printf(bio_err," -verify arg - turn on peer certificate verification\n");
288 BIO_printf(bio_err," -verify_return_error - return verification errors\n");
289 BIO_printf(bio_err," -cert arg - certificate file to use, PEM format assumed\n");
290 BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
291 BIO_printf(bio_err," -key arg - Private key file to use, in cert file if\n");
292 BIO_printf(bio_err," not specified but cert file is.\n");
293 BIO_printf(bio_err," -keyform arg - key format (PEM or DER) PEM default\n");
294 BIO_printf(bio_err," -pass arg - private key file pass phrase source\n");
295 BIO_printf(bio_err," -CApath arg - PEM format directory of CA's\n");
296 BIO_printf(bio_err," -CAfile arg - PEM format file of CA's\n");
297 BIO_printf(bio_err," -trusted_first - Use local CA's first when building trust chain\n");
298 BIO_printf(bio_err," -reconnect - Drop and re-make the connection with the same Session-ID\n");
299 BIO_printf(bio_err," -pause - sleep(1) after each read(2) and write(2) system call\n");
300 BIO_printf(bio_err," -prexit - print session information even on connection failure\n");
301 BIO_printf(bio_err," -showcerts - show all certificates in the chain\n");
302 BIO_printf(bio_err," -debug - extra output\n");
304 BIO_printf(bio_err," -wdebug - WATT-32 tcp debugging\n");
306 BIO_printf(bio_err," -msg - Show protocol messages\n");
307 BIO_printf(bio_err," -nbio_test - more ssl protocol testing\n");
308 BIO_printf(bio_err," -state - print the 'ssl' states\n");
310 BIO_printf(bio_err," -nbio - Run with non-blocking IO\n");
312 BIO_printf(bio_err," -crlf - convert LF from terminal into CRLF\n");
313 BIO_printf(bio_err," -quiet - no s_client output\n");
314 BIO_printf(bio_err," -ign_eof - ignore input eof (default when -quiet)\n");
315 BIO_printf(bio_err," -no_ign_eof - don't ignore input eof\n");
316 #ifndef OPENSSL_NO_PSK
317 BIO_printf(bio_err," -psk_identity arg - PSK identity\n");
318 BIO_printf(bio_err," -psk arg - PSK in hex (without 0x)\n");
319 # ifndef OPENSSL_NO_JPAKE
320 BIO_printf(bio_err," -jpake arg - JPAKE secret to use\n");
323 #ifndef OPENSSL_NO_SRP
324 BIO_printf(bio_err," -srpuser user - SRP authentification for 'user'\n");
325 BIO_printf(bio_err," -srppass arg - password for 'user'\n");
326 BIO_printf(bio_err," -srp_lateuser - SRP username into second ClientHello message\n");
327 BIO_printf(bio_err," -srp_moregroups - Tolerate other than the known g N values.\n");
328 BIO_printf(bio_err," -srp_strength int - minimal length in bits for N (default %d).\n",SRP_MINIMAL_N);
330 #ifndef OPENSSL_NO_SSL3_METHOD
331 BIO_printf(bio_err," -ssl3 - just use SSLv3\n");
333 BIO_printf(bio_err," -tls1_2 - just use TLSv1.2\n");
334 BIO_printf(bio_err," -tls1_1 - just use TLSv1.1\n");
335 BIO_printf(bio_err," -tls1 - just use TLSv1\n");
336 BIO_printf(bio_err," -dtls1 - just use DTLSv1\n");
337 BIO_printf(bio_err," -fallback_scsv - send TLS_FALLBACK_SCSV\n");
338 BIO_printf(bio_err," -mtu - set the link layer MTU\n");
339 BIO_printf(bio_err," -no_tls1_2/-no_tls1_1/-no_tls1/-no_ssl3 - turn off that protocol\n");
340 BIO_printf(bio_err," -bugs - Switch on all SSL implementation bug workarounds\n");
341 BIO_printf(bio_err," -cipher - preferred cipher to use, use the 'openssl ciphers'\n");
342 BIO_printf(bio_err," command to see what is available\n");
343 BIO_printf(bio_err," -starttls prot - use the STARTTLS command before starting TLS\n");
344 BIO_printf(bio_err," for those protocols that support it, where\n");
345 BIO_printf(bio_err," 'prot' defines which one to assume. Currently,\n");
346 BIO_printf(bio_err," only \"smtp\", \"pop3\", \"imap\", \"ftp\" and \"xmpp\"\n");
347 BIO_printf(bio_err," are supported.\n");
348 BIO_printf(bio_err," -xmpphost host - When used with \"-starttls xmpp\" specifies the virtual host.\n");
349 #ifndef OPENSSL_NO_ENGINE
350 BIO_printf(bio_err," -engine id - Initialise and use the specified engine\n");
352 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
353 BIO_printf(bio_err," -sess_out arg - file to write SSL session to\n");
354 BIO_printf(bio_err," -sess_in arg - file to read SSL session from\n");
355 #ifndef OPENSSL_NO_TLSEXT
356 BIO_printf(bio_err," -servername host - Set TLS extension servername in ClientHello\n");
357 BIO_printf(bio_err," -tlsextdebug - hex dump of all TLS extensions received\n");
358 BIO_printf(bio_err," -status - request certificate status from server\n");
359 BIO_printf(bio_err," -no_ticket - disable use of RFC4507bis session tickets\n");
360 BIO_printf(bio_err," -serverinfo types - send empty ClientHello extensions (comma-separated numbers)\n");
361 # ifndef OPENSSL_NO_NEXTPROTONEG
362 BIO_printf(bio_err," -nextprotoneg arg - enable NPN extension, considering named protocols supported (comma-separated list)\n");
364 BIO_printf(bio_err," -alpn arg - enable ALPN extension, considering named protocols supported (comma-separated list)\n");
366 BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
367 #ifndef OPENSSL_NO_SRTP
368 BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
370 BIO_printf(bio_err," -keymatexport label - Export keying material using label\n");
371 BIO_printf(bio_err," -keymatexportlen len - Export len bytes of keying material (default 20)\n");
374 #ifndef OPENSSL_NO_TLSEXT
376 /* This is a context that we pass to callbacks */
377 typedef struct tlsextctx_st {
383 static int ssl_servername_cb(SSL *s, int *ad, void *arg)
385 tlsextctx * p = (tlsextctx *) arg;
386 const char * hn= SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
387 if (SSL_get_servername_type(s) != -1)
388 p->ack = !SSL_session_reused(s) && hn != NULL;
390 BIO_printf(bio_err,"Can't use SSL_get_servername\n");
392 return SSL_TLSEXT_ERR_OK;
395 #ifndef OPENSSL_NO_SRP
397 /* This is a context that we pass to all callbacks */
398 typedef struct srp_arg_st
402 int msg; /* copy from c_msg */
403 int debug; /* copy from c_debug */
404 int amp; /* allow more groups */
405 int strength /* minimal size for N */ ;
408 #define SRP_NUMBER_ITERATIONS_FOR_PRIME 64
410 static int srp_Verify_N_and_g(const BIGNUM *N, const BIGNUM *g)
412 BN_CTX *bn_ctx = BN_CTX_new();
413 BIGNUM *p = BN_new();
414 BIGNUM *r = BN_new();
416 g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) &&
417 BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
418 p != NULL && BN_rshift1(p, N) &&
421 BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
424 /* verify g^((N-1)/2) == -1 (mod N) */
425 BN_mod_exp(r, g, p, N, bn_ctx) &&
438 /* This callback is used here for two purposes:
440 - making some primality tests for unknown groups
441 The callback is only called for a non default group.
443 An application does not need the call back at all if
444 only the stanard groups are used. In real life situations,
445 client and server already share well known groups,
446 thus there is no need to verify them.
447 Furthermore, in case that a server actually proposes a group that
448 is not one of those defined in RFC 5054, it is more appropriate
449 to add the group to a static list and then compare since
450 primality tests are rather cpu consuming.
453 static int ssl_srp_verify_param_cb(SSL *s, void *arg)
455 SRP_ARG *srp_arg = (SRP_ARG *)arg;
456 BIGNUM *N = NULL, *g = NULL;
457 if (!(N = SSL_get_srp_N(s)) || !(g = SSL_get_srp_g(s)))
459 if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1)
461 BIO_printf(bio_err, "SRP parameters:\n");
462 BIO_printf(bio_err,"\tN="); BN_print(bio_err,N);
463 BIO_printf(bio_err,"\n\tg="); BN_print(bio_err,g);
464 BIO_printf(bio_err,"\n");
467 if (SRP_check_known_gN_param(g,N))
470 if (srp_arg->amp == 1)
473 BIO_printf(bio_err, "SRP param N and g are not known params, going to check deeper.\n");
475 /* The srp_moregroups is a real debugging feature.
476 Implementors should rather add the value to the known ones.
477 The minimal size has already been tested.
479 if (BN_num_bits(g) <= BN_BITS && srp_Verify_N_and_g(N,g))
482 BIO_printf(bio_err, "SRP param N and g rejected.\n");
486 #define PWD_STRLEN 1024
488 static char * ssl_give_srp_client_pwd_cb(SSL *s, void *arg)
490 SRP_ARG *srp_arg = (SRP_ARG *)arg;
491 char *pass = (char *)OPENSSL_malloc(PWD_STRLEN+1);
495 cb_tmp.password = (char *)srp_arg->srppassin;
496 cb_tmp.prompt_info = "SRP user";
497 if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp))<0)
499 BIO_printf (bio_err, "Can't read Password\n");
509 #ifndef OPENSSL_NO_SRTP
510 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 #ifndef OPENSSL_NO_SRTP
1093 else if (strcmp(*argv,"-use_srtp") == 0)
1095 if (--argc < 1) goto bad;
1096 srtp_profiles = *(++argv);
1099 else if (strcmp(*argv,"-keymatexport") == 0)
1101 if (--argc < 1) goto bad;
1102 keymatexportlabel= *(++argv);
1104 else if (strcmp(*argv,"-keymatexportlen") == 0)
1106 if (--argc < 1) goto bad;
1107 keymatexportlen=atoi(*(++argv));
1108 if (keymatexportlen == 0) goto bad;
1112 BIO_printf(bio_err,"unknown option %s\n",*argv);
1126 if (unix_path && (socket_type != SOCK_STREAM))
1128 BIO_printf(bio_err, "Can't use unix sockets and datagrams together\n");
1131 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1137 "Can't use JPAKE and PSK together\n");
1140 psk_identity = "JPAKE";
1144 OpenSSL_add_ssl_algorithms();
1145 SSL_load_error_strings();
1147 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
1148 next_proto.status = -1;
1149 if (next_proto_neg_in)
1151 next_proto.data = next_protos_parse(&next_proto.len, next_proto_neg_in);
1152 if (next_proto.data == NULL)
1154 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n");
1159 next_proto.data = NULL;
1162 #ifndef OPENSSL_NO_ENGINE
1163 e = setup_engine(bio_err, engine_id, 1);
1164 if (ssl_client_engine_id)
1166 ssl_client_engine = ENGINE_by_id(ssl_client_engine_id);
1167 if (!ssl_client_engine)
1170 "Error getting client auth engine\n");
1176 if (!app_passwd(bio_err, passarg, NULL, &pass, NULL))
1178 BIO_printf(bio_err, "Error getting password\n");
1182 if (key_file == NULL)
1183 key_file = cert_file;
1190 key = load_key(bio_err, key_file, key_format, 0, pass, e,
1191 "client certificate private key file");
1194 ERR_print_errors(bio_err);
1203 cert = load_cert(bio_err,cert_file,cert_format,
1204 NULL, e, "client certificate file");
1208 ERR_print_errors(bio_err);
1215 chain = load_certs(bio_err, chain_file,FORMAT_PEM,
1216 NULL, e, "client certificate chain");
1224 crl = load_crl(crl_file, crl_format);
1227 BIO_puts(bio_err, "Error loading CRL\n");
1228 ERR_print_errors(bio_err);
1231 crls = sk_X509_CRL_new_null();
1232 if (!crls || !sk_X509_CRL_push(crls, crl))
1234 BIO_puts(bio_err, "Error adding CRL\n");
1235 ERR_print_errors(bio_err);
1241 if (!load_excert(&exc, bio_err))
1244 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1247 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
1250 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
1251 app_RAND_load_files(inrand));
1253 if (bio_c_out == NULL)
1255 if (c_quiet && !c_debug)
1257 bio_c_out=BIO_new(BIO_s_null());
1258 if (c_msg && !bio_c_msg)
1259 bio_c_msg=BIO_new_fp(stdout,BIO_NOCLOSE);
1263 if (bio_c_out == NULL)
1264 bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE);
1268 #ifndef OPENSSL_NO_SRP
1269 if(!app_passwd(bio_err, srppass, NULL, &srp_arg.srppassin, NULL))
1271 BIO_printf(bio_err, "Error getting password\n");
1276 ctx=SSL_CTX_new(meth);
1279 ERR_print_errors(bio_err);
1284 ssl_ctx_security_debug(ctx, bio_err, sdebug);
1287 SSL_CTX_set1_param(ctx, vpm);
1289 if (!args_ssl_call(ctx, bio_err, cctx, ssl_args, 1, no_jpake))
1291 ERR_print_errors(bio_err);
1295 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1296 crls, crl_download))
1298 BIO_printf(bio_err, "Error loading store locations\n");
1299 ERR_print_errors(bio_err);
1303 #ifndef OPENSSL_NO_ENGINE
1304 if (ssl_client_engine)
1306 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine))
1308 BIO_puts(bio_err, "Error setting client auth engine\n");
1309 ERR_print_errors(bio_err);
1310 ENGINE_free(ssl_client_engine);
1313 ENGINE_free(ssl_client_engine);
1317 #ifndef OPENSSL_NO_PSK
1318 #ifdef OPENSSL_NO_JPAKE
1319 if (psk_key != NULL)
1321 if (psk_key != NULL || jpake_secret)
1325 BIO_printf(bio_c_out, "PSK key given or JPAKE in use, setting client callback\n");
1326 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
1329 #ifndef OPENSSL_NO_SRTP
1330 if (srtp_profiles != NULL)
1331 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1333 if (exc) ssl_ctx_set_excert(ctx, exc);
1334 /* DTLS: partial reads end up discarding unread UDP bytes :-(
1335 * Setting read ahead solves this problem.
1337 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1339 #if !defined(OPENSSL_NO_TLSEXT)
1340 # if !defined(OPENSSL_NO_NEXTPROTONEG)
1341 if (next_proto.data)
1342 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
1346 unsigned short alpn_len;
1347 unsigned char *alpn = next_protos_parse(&alpn_len, alpn_in);
1351 BIO_printf(bio_err, "Error parsing -alpn argument\n");
1354 SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len);
1358 #ifndef OPENSSL_NO_TLSEXT
1359 for (i = 0; i < serverinfo_types_count; i++)
1361 SSL_CTX_add_client_custom_ext(ctx,
1362 serverinfo_types[i],
1364 serverinfo_cli_parse_cb,
1369 if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1372 SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER"));
1375 SSL_CTX_set_verify(ctx,verify,verify_callback);
1377 if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
1378 (!SSL_CTX_set_default_verify_paths(ctx)))
1380 /* BIO_printf(bio_err,"error setting default verify locations\n"); */
1381 ERR_print_errors(bio_err);
1385 ssl_ctx_add_crls(ctx, crls, crl_download);
1387 if (!set_cert_key_stuff(ctx,cert,key,chain,build_chain))
1390 #ifndef OPENSSL_NO_TLSEXT
1391 if (servername != NULL)
1393 tlsextcbp.biodebug = bio_err;
1394 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1395 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1397 #ifndef OPENSSL_NO_SRP
1398 if (srp_arg.srplogin)
1400 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin))
1402 BIO_printf(bio_err,"Unable to set SRP username\n");
1405 srp_arg.msg = c_msg;
1406 srp_arg.debug = c_debug ;
1407 SSL_CTX_set_srp_cb_arg(ctx,&srp_arg);
1408 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb);
1409 SSL_CTX_set_srp_strength(ctx, srp_arg.strength);
1410 if (c_msg || c_debug || srp_arg.amp == 0)
1411 SSL_CTX_set_srp_verify_param_callback(ctx, ssl_srp_verify_param_cb);
1421 BIO *stmp = BIO_new_file(sess_in, "r");
1424 BIO_printf(bio_err, "Can't open session file %s\n",
1426 ERR_print_errors(bio_err);
1429 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1433 BIO_printf(bio_err, "Can't open session file %s\n",
1435 ERR_print_errors(bio_err);
1438 SSL_set_session(con, sess);
1439 SSL_SESSION_free(sess);
1443 SSL_set_mode(con, SSL_MODE_SEND_FALLBACK_SCSV);
1445 #ifndef OPENSSL_NO_TLSEXT
1446 if (servername != NULL)
1448 if (!SSL_set_tlsext_host_name(con,servername))
1450 BIO_printf(bio_err,"Unable to set TLS servername extension.\n");
1451 ERR_print_errors(bio_err);
1456 #ifndef OPENSSL_NO_KRB5
1457 if (con && (kctx = kssl_ctx_new()) != NULL)
1459 SSL_set0_kssl_ctx(con, kctx);
1460 kssl_ctx_setstring(kctx, KSSL_SERVER, host);
1462 #endif /* OPENSSL_NO_KRB5 */
1463 /* SSL_set_cipher_list(con,"RC4-MD5"); */
1465 #ifdef TLSEXT_TYPE_opaque_prf_input
1466 SSL_set_tlsext_opaque_prf_input(con, "Test client", 11);
1472 if (init_client(&s,host,port,socket_type) == 0)
1474 if ((!unix_path && (init_client(&s,host,port,socket_type) == 0)) ||
1475 (unix_path && (init_client_unix(&s,unix_path) == 0)))
1478 BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error());
1482 BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s);
1488 BIO_printf(bio_c_out,"turning on non blocking io\n");
1489 if (BIO_socket_ioctl(s,FIONBIO,&l) < 0)
1491 ERR_print_errors(bio_err);
1496 if (c_Pause & 0x01) SSL_set_debug(con, 1);
1498 if (socket_type == SOCK_DGRAM)
1501 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
1502 if (getsockname(s, &peer, (void *)&peerlen) < 0)
1504 BIO_printf(bio_err, "getsockname:errno=%d\n",
1505 get_last_socket_error());
1510 (void)BIO_ctrl_set_connected(sbio, 1, &peer);
1512 if (enable_timeouts)
1515 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1516 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1519 timeout.tv_usec = DGRAM_SND_TIMEOUT;
1520 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1525 if(socket_mtu < DTLS_get_link_min_mtu(con))
1527 BIO_printf(bio_err,"MTU too small. Must be at least %ld\n",
1528 DTLS_get_link_min_mtu(con));
1532 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1533 if(!DTLS_set_link_mtu(con, socket_mtu))
1535 BIO_printf(bio_err, "Failed to set MTU\n");
1541 /* want to do MTU discovery */
1542 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1545 sbio=BIO_new_socket(s,BIO_NOCLOSE);
1551 test=BIO_new(BIO_f_nbio_test());
1552 sbio=BIO_push(test,sbio);
1557 SSL_set_debug(con, 1);
1558 BIO_set_callback(sbio,bio_dump_callback);
1559 BIO_set_callback_arg(sbio,(char *)bio_c_out);
1563 #ifndef OPENSSL_NO_SSL_TRACE
1565 SSL_set_msg_callback(con, SSL_trace);
1568 SSL_set_msg_callback(con, msg_cb);
1569 SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out);
1571 #ifndef OPENSSL_NO_TLSEXT
1574 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1575 SSL_set_tlsext_debug_arg(con, bio_c_out);
1579 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
1580 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
1581 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
1584 STACK_OF(OCSP_RESPID) *ids = sk_OCSP_RESPID_new_null();
1585 OCSP_RESPID *id = OCSP_RESPID_new();
1586 id->value.byKey = ASN1_OCTET_STRING_new();
1587 id->type = V_OCSP_RESPID_KEY;
1588 ASN1_STRING_set(id->value.byKey, "Hello World", -1);
1589 sk_OCSP_RESPID_push(ids, id);
1590 SSL_set_tlsext_status_ids(con, ids);
1595 #ifndef OPENSSL_NO_JPAKE
1597 jpake_client_auth(bio_c_out, sbio, jpake_secret);
1600 SSL_set_bio(con,sbio,sbio);
1601 SSL_set_connect_state(con);
1603 /* ok, lets connect */
1604 width=SSL_get_fd(con)+1;
1617 /* This is an ugly hack that does a lot of assumptions */
1618 /* We do have to handle multi-line responses which may come
1619 in a single packet or not. We therefore have to use
1620 BIO_gets() which does need a buffering BIO. So during
1621 the initial chitchat we do push a buffering BIO into the
1622 chain that is removed again later on to not disturb the
1623 rest of the s_client operation. */
1624 if (starttls_proto == PROTO_SMTP)
1627 BIO *fbio = BIO_new(BIO_f_buffer());
1628 BIO_push(fbio, sbio);
1629 /* wait for multi-line response to end from SMTP */
1632 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1634 while (mbuf_len>3 && mbuf[3]=='-');
1635 /* STARTTLS command requires EHLO... */
1636 BIO_printf(fbio,"EHLO openssl.client.net\r\n");
1637 (void)BIO_flush(fbio);
1638 /* wait for multi-line response to end EHLO SMTP response */
1641 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1642 if (strstr(mbuf,"STARTTLS"))
1645 while (mbuf_len>3 && mbuf[3]=='-');
1646 (void)BIO_flush(fbio);
1651 "didn't found starttls in server response,"
1652 " try anyway...\n");
1653 BIO_printf(sbio,"STARTTLS\r\n");
1654 BIO_read(sbio,sbuf,BUFSIZZ);
1656 else if (starttls_proto == PROTO_POP3)
1658 BIO_read(sbio,mbuf,BUFSIZZ);
1659 BIO_printf(sbio,"STLS\r\n");
1660 BIO_read(sbio,sbuf,BUFSIZZ);
1662 else if (starttls_proto == PROTO_IMAP)
1665 BIO *fbio = BIO_new(BIO_f_buffer());
1666 BIO_push(fbio, sbio);
1667 BIO_gets(fbio,mbuf,BUFSIZZ);
1668 /* STARTTLS command requires CAPABILITY... */
1669 BIO_printf(fbio,". CAPABILITY\r\n");
1670 (void)BIO_flush(fbio);
1671 /* wait for multi-line CAPABILITY response */
1674 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1675 if (strstr(mbuf,"STARTTLS"))
1678 while (mbuf_len>3 && mbuf[0]!='.');
1679 (void)BIO_flush(fbio);
1684 "didn't found STARTTLS in server response,"
1685 " try anyway...\n");
1686 BIO_printf(sbio,". STARTTLS\r\n");
1687 BIO_read(sbio,sbuf,BUFSIZZ);
1689 else if (starttls_proto == PROTO_FTP)
1691 BIO *fbio = BIO_new(BIO_f_buffer());
1692 BIO_push(fbio, sbio);
1693 /* wait for multi-line response to end from FTP */
1696 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1698 while (mbuf_len>3 && mbuf[3]=='-');
1699 (void)BIO_flush(fbio);
1702 BIO_printf(sbio,"AUTH TLS\r\n");
1703 BIO_read(sbio,sbuf,BUFSIZZ);
1705 if (starttls_proto == PROTO_XMPP)
1708 BIO_printf(sbio,"<stream:stream "
1709 "xmlns:stream='http://etherx.jabber.org/streams' "
1710 "xmlns='jabber:client' to='%s' version='1.0'>", xmpphost ?
1712 seen = BIO_read(sbio,mbuf,BUFSIZZ);
1714 while (!strstr(mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'") &&
1715 !strstr(mbuf, "<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\""))
1717 seen = BIO_read(sbio,mbuf,BUFSIZZ);
1724 BIO_printf(sbio, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
1725 seen = BIO_read(sbio,sbuf,BUFSIZZ);
1727 if (!strstr(sbuf, "<proceed"))
1737 if ((SSL_version(con) == DTLS1_VERSION) &&
1738 DTLSv1_get_timeout(con, &timeout))
1739 timeoutp = &timeout;
1743 if (SSL_in_init(con) && !SSL_total_renegotiations(con))
1754 #if 0 /* This test doesn't really work as intended (needs to be fixed) */
1755 #ifndef OPENSSL_NO_TLSEXT
1756 if (servername != NULL && !SSL_session_reused(con))
1758 BIO_printf(bio_c_out,"Server did %sacknowledge servername extension.\n",tlsextcbp.ack?"":"not ");
1764 BIO *stmp = BIO_new_file(sess_out, "w");
1767 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));
1771 BIO_printf(bio_err, "Error writing session file %s\n", sess_out);
1776 "CONNECTION ESTABLISHED\n");
1777 print_ssl_summary(bio_err, con);
1780 print_stuff(bio_c_out,con,full_log);
1781 if (full_log > 0) full_log--;
1785 BIO_printf(bio_err,"%s",mbuf);
1786 /* We don't need to know any more */
1787 starttls_proto = PROTO_OFF;
1793 BIO_printf(bio_c_out,"drop connection and then reconnect\n");
1795 SSL_set_connect_state(con);
1796 SHUTDOWN(SSL_get_fd(con));
1802 ssl_pending = read_ssl && SSL_pending(con);
1806 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE)
1809 if (read_tty) openssl_fdset(fileno(stdin),&readfds);
1810 if (write_tty) openssl_fdset(fileno(stdout),&writefds);
1813 openssl_fdset(SSL_get_fd(con),&readfds);
1815 openssl_fdset(SSL_get_fd(con),&writefds);
1817 if(!tty_on || !write_tty) {
1819 openssl_fdset(SSL_get_fd(con),&readfds);
1821 openssl_fdset(SSL_get_fd(con),&writefds);
1824 /* printf("mode tty(%d %d%d) ssl(%d%d)\n",
1825 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
1827 /* Note: under VMS with SOCKETSHR the second parameter
1828 * is currently of type (int *) whereas under other
1829 * systems it is (void *) if you don't have a cast it
1830 * will choke the compiler: if you do have a cast then
1831 * you can either go for (int *) or (void *).
1833 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1834 /* Under Windows/DOS we make the assumption that we can
1835 * always write to the tty: therefore if we need to
1836 * write to the tty we just fall through. Otherwise
1837 * we timeout the select every second and see if there
1838 * are any keypresses. Note: this is a hack, in a proper
1839 * Windows application we wouldn't do this.
1846 i=select(width,(void *)&readfds,(void *)&writefds,
1848 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1849 if(!i && (!_kbhit() || !read_tty) ) continue;
1851 if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue;
1853 } else i=select(width,(void *)&readfds,(void *)&writefds,
1856 #elif defined(OPENSSL_SYS_NETWARE)
1861 i=select(width,(void *)&readfds,(void *)&writefds,
1863 } else i=select(width,(void *)&readfds,(void *)&writefds,
1867 i=select(width,(void *)&readfds,(void *)&writefds,
1872 BIO_printf(bio_err,"bad select %d\n",
1873 get_last_socket_error());
1879 if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
1881 BIO_printf(bio_err,"TIMEOUT occurred\n");
1884 if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds))
1886 k=SSL_write(con,&(cbuf[cbuf_off]),
1887 (unsigned int)cbuf_len);
1888 switch (SSL_get_error(con,k))
1890 case SSL_ERROR_NONE:
1893 if (k <= 0) goto end;
1894 /* we have done a write(con,NULL,0); */
1900 else /* if (cbuf_len > 0) */
1906 case SSL_ERROR_WANT_WRITE:
1907 BIO_printf(bio_c_out,"write W BLOCK\n");
1911 case SSL_ERROR_WANT_READ:
1912 BIO_printf(bio_c_out,"write R BLOCK\n");
1917 case SSL_ERROR_WANT_X509_LOOKUP:
1918 BIO_printf(bio_c_out,"write X BLOCK\n");
1920 case SSL_ERROR_ZERO_RETURN:
1923 BIO_printf(bio_c_out,"shutdown\n");
1934 case SSL_ERROR_SYSCALL:
1935 if ((k != 0) || (cbuf_len != 0))
1937 BIO_printf(bio_err,"write:errno=%d\n",
1938 get_last_socket_error());
1948 ERR_print_errors(bio_err);
1952 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
1953 /* Assume Windows/DOS/BeOS can always write */
1954 else if (!ssl_pending && write_tty)
1956 else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds))
1959 #ifdef CHARSET_EBCDIC
1960 ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len);
1962 i=raw_write_stdout(&(sbuf[sbuf_off]),sbuf_len);
1966 BIO_printf(bio_c_out,"DONE\n");
1980 else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds))
1983 { static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } }
1986 k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ );
1988 /* Demo for pending and peek :-) */
1989 k=SSL_read(con,sbuf,16);
1991 printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240));
1995 switch (SSL_get_error(con,k))
1997 case SSL_ERROR_NONE:
2006 case SSL_ERROR_WANT_WRITE:
2007 BIO_printf(bio_c_out,"read W BLOCK\n");
2011 case SSL_ERROR_WANT_READ:
2012 BIO_printf(bio_c_out,"read R BLOCK\n");
2015 if ((read_tty == 0) && (write_ssl == 0))
2018 case SSL_ERROR_WANT_X509_LOOKUP:
2019 BIO_printf(bio_c_out,"read X BLOCK\n");
2021 case SSL_ERROR_SYSCALL:
2022 ret=get_last_socket_error();
2024 BIO_puts(bio_err, "CONNECTION CLOSED BY SERVER\n");
2026 BIO_printf(bio_err,"read:errno=%d\n",ret);
2028 case SSL_ERROR_ZERO_RETURN:
2029 BIO_printf(bio_c_out,"closed\n");
2033 ERR_print_errors(bio_err);
2039 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2040 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
2043 else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
2045 #elif defined (OPENSSL_SYS_NETWARE)
2048 else if (FD_ISSET(fileno(stdin),&readfds))
2055 i=raw_read_stdin(cbuf,BUFSIZZ/2);
2057 /* both loops are skipped when i <= 0 */
2058 for (j = 0; j < i; j++)
2059 if (cbuf[j] == '\n')
2061 for (j = i-1; j >= 0; j--)
2063 cbuf[j+lf_num] = cbuf[j];
2064 if (cbuf[j] == '\n')
2068 cbuf[j+lf_num] = '\r';
2071 assert(lf_num == 0);
2074 i=raw_read_stdin(cbuf,BUFSIZZ);
2076 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q')))
2078 BIO_printf(bio_err,"DONE\n");
2083 if ((!c_ign_eof) && (cbuf[0] == 'R'))
2085 BIO_printf(bio_err,"RENEGOTIATING\n");
2086 SSL_renegotiate(con);
2089 #ifndef OPENSSL_NO_HEARTBEATS
2090 else if ((!c_ign_eof) && (cbuf[0] == 'B'))
2092 BIO_printf(bio_err,"HEARTBEATING\n");
2101 #ifdef CHARSET_EBCDIC
2102 ebcdic2ascii(cbuf, cbuf, i);
2114 print_stuff(bio_c_out,con,full_log);
2116 SHUTDOWN(SSL_get_fd(con));
2121 print_stuff(bio_c_out,con,1);
2124 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2125 if (next_proto.data)
2126 OPENSSL_free(next_proto.data);
2128 if (ctx != NULL) SSL_CTX_free(ctx);
2132 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2136 sk_X509_pop_free(chain, X509_free);
2140 X509_VERIFY_PARAM_free(vpm);
2141 ssl_excert_free(exc);
2143 sk_OPENSSL_STRING_free(ssl_args);
2145 SSL_CONF_CTX_free(cctx);
2146 #ifndef OPENSSL_NO_JPAKE
2147 if (jpake_secret && psk_key)
2148 OPENSSL_free(psk_key);
2150 if (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); }
2151 if (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); }
2152 if (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); }
2153 if (bio_c_out != NULL)
2155 BIO_free(bio_c_out);
2158 if (bio_c_msg != NULL)
2160 BIO_free(bio_c_msg);
2168 static void print_stuff(BIO *bio, SSL *s, int full)
2173 STACK_OF(X509_NAME) *sk2;
2174 const SSL_CIPHER *c;
2177 #ifndef OPENSSL_NO_COMP
2178 const COMP_METHOD *comp, *expansion;
2180 unsigned char *exportedkeymat;
2184 int got_a_chain = 0;
2186 sk=SSL_get_peer_cert_chain(s);
2189 got_a_chain = 1; /* we don't have it for SSL2 (yet) */
2191 BIO_printf(bio,"---\nCertificate chain\n");
2192 for (i=0; i<sk_X509_num(sk); i++)
2194 X509_NAME_oneline(X509_get_subject_name(
2195 sk_X509_value(sk,i)),buf,sizeof buf);
2196 BIO_printf(bio,"%2d s:%s\n",i,buf);
2197 X509_NAME_oneline(X509_get_issuer_name(
2198 sk_X509_value(sk,i)),buf,sizeof buf);
2199 BIO_printf(bio," i:%s\n",buf);
2201 PEM_write_bio_X509(bio,sk_X509_value(sk,i));
2205 BIO_printf(bio,"---\n");
2206 peer=SSL_get_peer_certificate(s);
2209 BIO_printf(bio,"Server certificate\n");
2210 if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */
2211 PEM_write_bio_X509(bio,peer);
2212 X509_NAME_oneline(X509_get_subject_name(peer),
2214 BIO_printf(bio,"subject=%s\n",buf);
2215 X509_NAME_oneline(X509_get_issuer_name(peer),
2217 BIO_printf(bio,"issuer=%s\n",buf);
2220 BIO_printf(bio,"no peer certificate available\n");
2222 sk2=SSL_get_client_CA_list(s);
2223 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0))
2225 BIO_printf(bio,"---\nAcceptable client certificate CA names\n");
2226 for (i=0; i<sk_X509_NAME_num(sk2); i++)
2228 xn=sk_X509_NAME_value(sk2,i);
2229 X509_NAME_oneline(xn,buf,sizeof(buf));
2230 BIO_write(bio,buf,strlen(buf));
2231 BIO_write(bio,"\n",1);
2236 BIO_printf(bio,"---\nNo client certificate CA names sent\n");
2239 ssl_print_sigalgs(bio, s);
2240 ssl_print_tmp_key(bio, s);
2242 BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n",
2243 BIO_number_read(SSL_get_rbio(s)),
2244 BIO_number_written(SSL_get_wbio(s)));
2246 BIO_printf(bio,(SSL_cache_hit(s)?"---\nReused, ":"---\nNew, "));
2247 c=SSL_get_current_cipher(s);
2248 BIO_printf(bio,"%s, Cipher is %s\n",
2249 SSL_CIPHER_get_version(c),
2250 SSL_CIPHER_get_name(c));
2253 pktmp = X509_get_pubkey(peer);
2254 BIO_printf(bio,"Server public key is %d bit\n",
2255 EVP_PKEY_bits(pktmp));
2256 EVP_PKEY_free(pktmp);
2258 BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
2259 SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
2260 #ifndef OPENSSL_NO_COMP
2261 comp=SSL_get_current_compression(s);
2262 expansion=SSL_get_current_expansion(s);
2263 BIO_printf(bio,"Compression: %s\n",
2264 comp ? SSL_COMP_get_name(comp) : "NONE");
2265 BIO_printf(bio,"Expansion: %s\n",
2266 expansion ? SSL_COMP_get_name(expansion) : "NONE");
2271 /* Print out local port of connection: useful for debugging */
2273 struct sockaddr_in ladd;
2274 socklen_t ladd_size = sizeof(ladd);
2275 sock = SSL_get_fd(s);
2276 getsockname(sock, (struct sockaddr *)&ladd, &ladd_size);
2277 BIO_printf(bio_c_out, "LOCAL PORT is %u\n", ntohs(ladd.sin_port));
2281 #if !defined(OPENSSL_NO_TLSEXT)
2282 # if !defined(OPENSSL_NO_NEXTPROTONEG)
2283 if (next_proto.status != -1) {
2284 const unsigned char *proto;
2285 unsigned int proto_len;
2286 SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
2287 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
2288 BIO_write(bio, proto, proto_len);
2289 BIO_write(bio, "\n", 1);
2293 const unsigned char *proto;
2294 unsigned int proto_len;
2295 SSL_get0_alpn_selected(s, &proto, &proto_len);
2298 BIO_printf(bio, "ALPN protocol: ");
2299 BIO_write(bio, proto, proto_len);
2300 BIO_write(bio, "\n", 1);
2303 BIO_printf(bio, "No ALPN negotiated\n");
2307 #ifndef OPENSSL_NO_SRTP
2309 SRTP_PROTECTION_PROFILE *srtp_profile=SSL_get_selected_srtp_profile(s);
2312 BIO_printf(bio,"SRTP Extension negotiated, profile=%s\n",
2313 srtp_profile->name);
2317 SSL_SESSION_print(bio,SSL_get_session(s));
2318 if (keymatexportlabel != NULL)
2320 BIO_printf(bio, "Keying material exporter:\n");
2321 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel);
2322 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen);
2323 exportedkeymat = OPENSSL_malloc(keymatexportlen);
2324 if (exportedkeymat != NULL)
2326 if (!SSL_export_keying_material(s, exportedkeymat,
2329 strlen(keymatexportlabel),
2332 BIO_printf(bio, " Error\n");
2336 BIO_printf(bio, " Keying material: ");
2337 for (i=0; i<keymatexportlen; i++)
2338 BIO_printf(bio, "%02X",
2340 BIO_printf(bio, "\n");
2342 OPENSSL_free(exportedkeymat);
2345 BIO_printf(bio,"---\n");
2348 /* flush, or debugging output gets mixed with http response */
2349 (void)BIO_flush(bio);
2352 #ifndef OPENSSL_NO_TLSEXT
2354 static int ocsp_resp_cb(SSL *s, void *arg)
2356 const unsigned char *p;
2359 len = SSL_get_tlsext_status_ocsp_resp(s, &p);
2360 BIO_puts(arg, "OCSP response: ");
2363 BIO_puts(arg, "no response sent\n");
2366 rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
2369 BIO_puts(arg, "response parse error\n");
2370 BIO_dump_indent(arg, (char *)p, len, 4);
2373 BIO_puts(arg, "\n======================================\n");
2374 OCSP_RESPONSE_print(arg, rsp, 0);
2375 BIO_puts(arg, "======================================\n");
2376 OCSP_RESPONSE_free(rsp);