1 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
4 * This package is an SSL implementation written
5 * by Eric Young (eay@cryptsoft.com).
6 * The implementation was written so as to conform with Netscapes SSL.
8 * This library is free for commercial and non-commercial use as long as
9 * the following conditions are aheared to. The following conditions
10 * apply to all code found in this distribution, be it the RC4, RSA,
11 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
12 * included with this distribution is covered by the same copyright terms
13 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 * Copyright remains Eric Young's, and as such any Copyright notices in
16 * the code are not to be removed.
17 * If this package is used in a product, Eric Young should be given attribution
18 * as the author of the parts of the library used.
19 * This can be in the form of a textual message at program startup or
20 * in documentation (online or textual) provided with the package.
22 * Redistribution and use in source and binary forms, with or without
23 * modification, are permitted provided that the following conditions
25 * 1. Redistributions of source code must retain the copyright
26 * notice, this list of conditions and the following disclaimer.
27 * 2. Redistributions in binary form must reproduce the above copyright
28 * notice, this list of conditions and the following disclaimer in the
29 * documentation and/or other materials provided with the distribution.
30 * 3. All advertising materials mentioning features or use of this software
31 * must display the following acknowledgement:
32 * "This product includes cryptographic software written by
33 * Eric Young (eay@cryptsoft.com)"
34 * The word 'cryptographic' can be left out if the rouines from the library
35 * being used are not cryptographic related :-).
36 * 4. If you include any Windows specific code (or a derivative thereof) from
37 * the apps directory (application code) you must include an acknowledgement:
38 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
41 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
43 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
44 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
45 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
46 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
48 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
49 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
52 * The licence and distribution terms for any publically available version or
53 * derivative of this code cannot be changed. i.e. this code cannot simply be
54 * copied and put under another distribution licence
55 * [including the GNU Public Licence.]
57 /* ====================================================================
58 * Copyright (c) 1998-2006 The OpenSSL Project. All rights reserved.
60 * Redistribution and use in source and binary forms, with or without
61 * modification, are permitted provided that the following conditions
64 * 1. Redistributions of source code must retain the above copyright
65 * notice, this list of conditions and the following disclaimer.
67 * 2. Redistributions in binary form must reproduce the above copyright
68 * notice, this list of conditions and the following disclaimer in
69 * the documentation and/or other materials provided with the
72 * 3. All advertising materials mentioning features or use of this
73 * software must display the following acknowledgment:
74 * "This product includes software developed by the OpenSSL Project
75 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
77 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
78 * endorse or promote products derived from this software without
79 * prior written permission. For written permission, please contact
80 * openssl-core@openssl.org.
82 * 5. Products derived from this software may not be called "OpenSSL"
83 * nor may "OpenSSL" appear in their names without prior written
84 * permission of the OpenSSL Project.
86 * 6. Redistributions of any form whatsoever must retain the following
88 * "This product includes software developed by the OpenSSL Project
89 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
91 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
92 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
93 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
94 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
95 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
96 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
97 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
98 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
99 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
100 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
101 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
102 * OF THE POSSIBILITY OF SUCH DAMAGE.
103 * ====================================================================
105 * This product includes cryptographic software written by Eric Young
106 * (eay@cryptsoft.com). This product includes software written by Tim
107 * Hudson (tjh@cryptsoft.com).
110 /* ====================================================================
111 * Copyright 2005 Nokia. All rights reserved.
113 * The portions of the attached software ("Contribution") is developed by
114 * Nokia Corporation and is licensed pursuant to the OpenSSL open source
117 * The Contribution, originally written by Mika Kousa and Pasi Eronen of
118 * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
119 * support (see RFC 4279) to OpenSSL.
121 * No patent licenses or other rights except those expressly stated in
122 * the OpenSSL open source license shall be deemed granted or received
123 * expressly, by implication, estoppel, or otherwise.
125 * No assurances are provided by Nokia that the Contribution does not
126 * infringe the patent or other intellectual property rights of any third
127 * party or that the license provides you with all the necessary rights
128 * to make use of the Contribution.
130 * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
131 * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
132 * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
133 * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
142 #include <openssl/e_os2.h>
145 * With IPv6, it looks like Digital has mixed up the proper order of
146 * recursive header file inclusion, resulting in the compiler complaining
147 * that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which is
148 * needed to have fileno() declared correctly... So let's define u_int
150 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
152 typedef unsigned int u_int
;
157 #include <openssl/x509.h>
158 #include <openssl/ssl.h>
159 #include <openssl/err.h>
160 #include <openssl/pem.h>
161 #include <openssl/rand.h>
162 #include <openssl/ocsp.h>
163 #include <openssl/bn.h>
164 #ifndef OPENSSL_NO_SRP
165 # include <openssl/srp.h>
168 #include "timeouts.h"
170 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
171 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
175 #define SSL_HOST_NAME "localhost"
178 #define BUFSIZZ 1024*8
180 extern int verify_depth
;
181 extern int verify_error
;
182 extern int verify_return_error
;
183 extern int verify_quiet
;
185 static int c_nbio
= 0;
186 static int c_tlsextdebug
= 0;
187 static int c_status_req
= 0;
188 static int c_Pause
= 0;
189 static int c_debug
= 0;
190 static int c_msg
= 0;
191 static int c_showcerts
= 0;
192 static char *keymatexportlabel
= NULL
;
193 static int keymatexportlen
= 20;
194 static BIO
*bio_c_out
= NULL
;
195 static BIO
*bio_c_msg
= NULL
;
196 static int c_quiet
= 0;
197 static int c_ign_eof
= 0;
198 static int c_brief
= 0;
200 static void print_stuff(BIO
*berr
, SSL
*con
, int full
);
201 #ifndef OPENSSL_NO_TLSEXT
202 static int ocsp_resp_cb(SSL
*s
, void *arg
);
205 #ifndef OPENSSL_NO_PSK
206 /* Default PSK identity and key */
207 static char *psk_identity
= "Client_identity";
209 * char *psk_key=NULL; by default PSK is not used
212 static unsigned int psk_client_cb(SSL
*ssl
, const char *hint
, char *identity
,
213 unsigned int max_identity_len
,
215 unsigned int max_psk_len
)
217 unsigned int psk_len
= 0;
222 BIO_printf(bio_c_out
, "psk_client_cb\n");
224 /* no ServerKeyExchange message */
226 BIO_printf(bio_c_out
,
227 "NULL received PSK identity hint, continuing anyway\n");
229 BIO_printf(bio_c_out
, "Received PSK identity hint '%s'\n", hint
);
232 * lookup PSK identity and PSK key based on the given identity hint here
234 ret
= BIO_snprintf(identity
, max_identity_len
, "%s", psk_identity
);
235 if (ret
< 0 || (unsigned int)ret
> max_identity_len
)
238 BIO_printf(bio_c_out
, "created identity '%s' len=%d\n", identity
,
240 ret
= BN_hex2bn(&bn
, psk_key
);
242 BIO_printf(bio_err
, "Could not convert PSK key '%s' to BIGNUM\n",
249 if ((unsigned int)BN_num_bytes(bn
) > max_psk_len
) {
251 "psk buffer of callback is too small (%d) for key (%d)\n",
252 max_psk_len
, BN_num_bytes(bn
));
257 psk_len
= BN_bn2bin(bn
, psk
);
263 BIO_printf(bio_c_out
, "created PSK len=%d\n", psk_len
);
268 BIO_printf(bio_err
, "Error in PSK client callback\n");
273 #ifndef OPENSSL_NO_TLSEXT
275 /* This is a context that we pass to callbacks */
276 typedef struct tlsextctx_st
{
281 static int ssl_servername_cb(SSL
*s
, int *ad
, void *arg
)
283 tlsextctx
*p
= (tlsextctx
*) arg
;
284 const char *hn
= SSL_get_servername(s
, TLSEXT_NAMETYPE_host_name
);
285 if (SSL_get_servername_type(s
) != -1)
286 p
->ack
= !SSL_session_reused(s
) && hn
!= NULL
;
288 BIO_printf(bio_err
, "Can't use SSL_get_servername\n");
290 return SSL_TLSEXT_ERR_OK
;
293 # ifndef OPENSSL_NO_SRP
295 /* This is a context that we pass to all callbacks */
296 typedef struct srp_arg_st
{
299 int msg
; /* copy from c_msg */
300 int debug
; /* copy from c_debug */
301 int amp
; /* allow more groups */
302 int strength
/* minimal size for N */ ;
305 # define SRP_NUMBER_ITERATIONS_FOR_PRIME 64
307 static int srp_Verify_N_and_g(const BIGNUM
*N
, const BIGNUM
*g
)
309 BN_CTX
*bn_ctx
= BN_CTX_new();
310 BIGNUM
*p
= BN_new();
311 BIGNUM
*r
= BN_new();
313 g
!= NULL
&& N
!= NULL
&& bn_ctx
!= NULL
&& BN_is_odd(N
) &&
314 BN_is_prime_ex(N
, SRP_NUMBER_ITERATIONS_FOR_PRIME
, bn_ctx
, NULL
) &&
315 p
!= NULL
&& BN_rshift1(p
, N
) &&
317 BN_is_prime_ex(p
, SRP_NUMBER_ITERATIONS_FOR_PRIME
, bn_ctx
, NULL
) &&
319 /* verify g^((N-1)/2) == -1 (mod N) */
320 BN_mod_exp(r
, g
, p
, N
, bn_ctx
) &&
321 BN_add_word(r
, 1) && BN_cmp(r
, N
) == 0;
333 * This callback is used here for two purposes:
334 * - extended debugging
335 * - making some primality tests for unknown groups
336 * The callback is only called for a non default group.
338 * An application does not need the call back at all if
339 * only the stanard groups are used. In real life situations,
340 * client and server already share well known groups,
341 * thus there is no need to verify them.
342 * Furthermore, in case that a server actually proposes a group that
343 * is not one of those defined in RFC 5054, it is more appropriate
344 * to add the group to a static list and then compare since
345 * primality tests are rather cpu consuming.
348 static int ssl_srp_verify_param_cb(SSL
*s
, void *arg
)
350 SRP_ARG
*srp_arg
= (SRP_ARG
*)arg
;
351 BIGNUM
*N
= NULL
, *g
= NULL
;
352 if (!(N
= SSL_get_srp_N(s
)) || !(g
= SSL_get_srp_g(s
)))
354 if (srp_arg
->debug
|| srp_arg
->msg
|| srp_arg
->amp
== 1) {
355 BIO_printf(bio_err
, "SRP parameters:\n");
356 BIO_printf(bio_err
, "\tN=");
357 BN_print(bio_err
, N
);
358 BIO_printf(bio_err
, "\n\tg=");
359 BN_print(bio_err
, g
);
360 BIO_printf(bio_err
, "\n");
363 if (SRP_check_known_gN_param(g
, N
))
366 if (srp_arg
->amp
== 1) {
369 "SRP param N and g are not known params, going to check deeper.\n");
372 * The srp_moregroups is a real debugging feature. Implementors
373 * should rather add the value to the known ones. The minimal size
374 * has already been tested.
376 if (BN_num_bits(g
) <= BN_BITS
&& srp_Verify_N_and_g(N
, g
))
379 BIO_printf(bio_err
, "SRP param N and g rejected.\n");
383 # define PWD_STRLEN 1024
385 static char *ssl_give_srp_client_pwd_cb(SSL
*s
, void *arg
)
387 SRP_ARG
*srp_arg
= (SRP_ARG
*)arg
;
388 char *pass
= (char *)OPENSSL_malloc(PWD_STRLEN
+ 1);
393 BIO_printf(bio_err
, "Out of memory\n");
396 cb_tmp
.password
= (char *)srp_arg
->srppassin
;
397 cb_tmp
.prompt_info
= "SRP user";
398 if ((l
= password_callback(pass
, PWD_STRLEN
, 0, &cb_tmp
)) < 0) {
399 BIO_printf(bio_err
, "Can't read Password\n");
410 char *srtp_profiles
= NULL
;
412 # ifndef OPENSSL_NO_NEXTPROTONEG
413 /* This the context that we pass to next_proto_cb */
414 typedef struct tlsextnextprotoctx_st
{
418 } tlsextnextprotoctx
;
420 static tlsextnextprotoctx next_proto
;
422 static int next_proto_cb(SSL
*s
, unsigned char **out
, unsigned char *outlen
,
423 const unsigned char *in
, unsigned int inlen
,
426 tlsextnextprotoctx
*ctx
= arg
;
429 /* We can assume that |in| is syntactically valid. */
431 BIO_printf(bio_c_out
, "Protocols advertised by server: ");
432 for (i
= 0; i
< inlen
;) {
434 BIO_write(bio_c_out
, ", ", 2);
435 BIO_write(bio_c_out
, &in
[i
+ 1], in
[i
]);
438 BIO_write(bio_c_out
, "\n", 1);
442 SSL_select_next_proto(out
, outlen
, in
, inlen
, ctx
->data
, ctx
->len
);
443 return SSL_TLSEXT_ERR_OK
;
445 # endif /* ndef OPENSSL_NO_NEXTPROTONEG */
447 static int serverinfo_cli_parse_cb(SSL
*s
, unsigned int ext_type
,
448 const unsigned char *in
, size_t inlen
,
452 unsigned char ext_buf
[4 + 65536];
454 /* Reconstruct the type/len fields prior to extension data */
455 ext_buf
[0] = ext_type
>> 8;
456 ext_buf
[1] = ext_type
& 0xFF;
457 ext_buf
[2] = inlen
>> 8;
458 ext_buf
[3] = inlen
& 0xFF;
459 memcpy(ext_buf
+ 4, in
, inlen
);
461 BIO_snprintf(pem_name
, sizeof(pem_name
), "SERVERINFO FOR EXTENSION %d",
463 PEM_write_bio(bio_c_out
, pem_name
, "", ext_buf
, 4 + inlen
);
469 typedef enum OPTION_choice
{
470 OPT_ERR
= -1, OPT_EOF
= 0, OPT_HELP
,
471 OPT_HOST
, OPT_PORT
, OPT_CONNECT
, OPT_UNIX
, OPT_VERIFY
,
472 OPT_CERT
, OPT_CRL
, OPT_CRL_DOWNLOAD
, OPT_SESS_OUT
, OPT_SESS_IN
,
473 OPT_CERTFORM
, OPT_CRLFORM
, OPT_VERIFY_RET_ERROR
, OPT_VERIFY_QUIET
,
474 OPT_BRIEF
, OPT_PREXIT
, OPT_CRLF
, OPT_QUIET
, OPT_NBIO
,
475 OPT_SSL_CLIENT_ENGINE
, OPT_RAND
, OPT_IGN_EOF
, OPT_NO_IGN_EOF
,
476 OPT_PAUSE
, OPT_DEBUG
, OPT_TLSEXTDEBUG
, OPT_STATUS
, OPT_WDEBUG
,
477 OPT_MSG
, OPT_MSGFILE
, OPT_ENGINE
, OPT_TRACE
, OPT_SECURITY_DEBUG
,
478 OPT_SECURITY_DEBUG_VERBOSE
, OPT_SHOWCERTS
, OPT_NBIO_TEST
, OPT_STATE
,
479 OPT_PSK_IDENTITY
, OPT_PSK
, OPT_SRPUSER
, OPT_SRPPASS
, OPT_SRP_STRENGTH
,
480 OPT_SRP_LATEUSER
, OPT_SRP_MOREGROUPS
, OPT_SSL3
,
481 OPT_TLS1_2
, OPT_TLS1_1
, OPT_TLS1
, OPT_DTLS
, OPT_DTLS1
,
482 OPT_DTLS1_2
, OPT_TIMEOUT
, OPT_MTU
, OPT_KEYFORM
, OPT_PASS
,
483 OPT_CERT_CHAIN
, OPT_CAPATH
, OPT_CHAINCAPATH
, OPT_VERIFYCAPATH
,
484 OPT_KEY
, OPT_RECONNECT
, OPT_BUILD_CHAIN
, OPT_CAFILE
, OPT_KRB5SVC
,
485 OPT_CHAINCAFILE
, OPT_VERIFYCAFILE
, OPT_NEXTPROTONEG
, OPT_ALPN
,
486 OPT_SERVERINFO
, OPT_STARTTLS
, OPT_SERVERNAME
, OPT_JPAKE
,
487 OPT_USE_SRTP
, OPT_KEYMATEXPORT
, OPT_KEYMATEXPORTLEN
,
494 OPTIONS s_client_options
[] = {
495 {"help", OPT_HELP
, '-', "Display this summary"},
496 {"host", OPT_HOST
, 's', "Use -connect instead"},
497 {"port", OPT_PORT
, 'p', "Use -connect instead"},
498 {"connect", OPT_CONNECT
, 's',
499 "TCP/IP where to connect (default is " SSL_HOST_NAME
":" PORT_STR
")"},
500 {"unix", OPT_UNIX
, 's', "Connect over unix domain sockets"},
501 {"verify", OPT_VERIFY
, 'p', "Turn on peer certificate verification"},
502 {"cert", OPT_CERT
, '<', "Certificate file to use, PEM format assumed"},
503 {"certform", OPT_CERTFORM
, 'F',
504 "Certificate format (PEM or DER) PEM default"},
505 {"key", OPT_KEY
, '<', "Private key file to use, if not in -cert file"},
506 {"keyform", OPT_KEYFORM
, 'F', "Key format (PEM or DER) PEM default"},
507 {"pass", OPT_PASS
, 's', "Private key file pass phrase source"},
508 {"CApath", OPT_CAPATH
, '/', "PEM format directory of CA's"},
509 {"CAfile", OPT_CAFILE
, '<', "PEM format file of CA's"},
510 {"reconnect", OPT_RECONNECT
, '-',
511 "Drop and re-make the connection with the same Session-ID"},
512 {"pause", OPT_PAUSE
, '-', "Sleep after each read and write system call"},
513 {"showcerts", OPT_SHOWCERTS
, '-', "Show all certificates in the chain"},
514 {"debug", OPT_DEBUG
, '-', "Extra output"},
515 {"msg", OPT_MSG
, '-', "Show protocol messages"},
516 {"msgfile", OPT_MSGFILE
, '>'},
517 {"nbio_test", OPT_NBIO_TEST
, '-', "More ssl protocol testing"},
518 {"state", OPT_STATE
, '-', "Print the ssl states"},
519 {"crlf", OPT_CRLF
, '-', "Convert LF from terminal into CRLF"},
520 {"quiet", OPT_QUIET
, '-', "No s_client output"},
521 {"ign_eof", OPT_IGN_EOF
, '-', "Ignore input eof (default when -quiet)"},
522 {"no_ign_eof", OPT_NO_IGN_EOF
, '-', "Don't ignore input eof"},
523 #ifndef OPENSSL_NO_SSL3
524 {"ssl3", OPT_SSL3
, '-', "Just use SSLv3"},
526 {"tls1_2", OPT_TLS1_2
, '-', "Just use TLSv1.2"},
527 {"tls1_1", OPT_TLS1_1
, '-', "Just use TLSv1.1"},
528 {"tls1", OPT_TLS1
, '-', "Just use TLSv1"},
529 {"dtls", OPT_DTLS
, '-'},
530 {"dtls1", OPT_DTLS1
, '-', "Just use DTLSv1"},
531 {"dtls1_2", OPT_DTLS1_2
, '-'},
532 {"timeout", OPT_TIMEOUT
, '-'},
533 {"mtu", OPT_MTU
, 'p', "Set the link layer MTU"},
534 {"starttls", OPT_STARTTLS
, 's',
535 "Use the STARTTLS command before starting TLS"},
536 {"rand", OPT_RAND
, 's',
537 "Load the file(s) into the random number generator"},
538 {"sess_out", OPT_SESS_OUT
, '>', "File to write SSL session to"},
539 {"sess_in", OPT_SESS_IN
, '<', "File to read SSL session from"},
540 {"use_srtp", OPT_USE_SRTP
, '<',
541 "Offer SRTP key management with a colon-separated profile list"},
542 {"keymatexport", OPT_KEYMATEXPORT
, 's',
543 "Export keying material using label"},
544 {"keymatexportlen", OPT_KEYMATEXPORTLEN
, 'p',
545 "Export len bytes of keying material (default 20)"},
546 {"fallback_scsv", OPT_FALLBACKSCSV
, '-', "Send the fallback SCSV"},
548 {"wdebug", OPT_WDEBUG
, '-', "WATT-32 tcp debugging"},
551 {"nbio", OPT_NBIO
, '-', "Use non-blocking IO"},
553 #ifndef OPENSSL_NO_PSK
554 {"psk_identity", OPT_PSK_IDENTITY
, 's', "PSK identity"},
555 {"psk", OPT_PSK
, 's', "PSK in hex (without 0x)"},
556 # ifndef OPENSSL_NO_JPAKE
557 {"jpake", OPT_JPAKE
, 's', "JPAKE secret to use"},
560 #ifndef OPENSSL_NO_KRB5
561 {"krb5svc", OPT_KRB5SVC
, 's', "Kerberos service name"},
563 #ifndef OPENSSL_NO_SRP
564 {"srpuser", OPT_SRPUSER
, 's', "SRP authentification for 'user'"},
565 {"srppass", OPT_SRPPASS
, 's', "Password for 'user'"},
566 {"srp_lateuser", OPT_SRP_LATEUSER
, '-',
567 "SRP username into second ClientHello message"},
568 {"srp_moregroups", OPT_SRP_MOREGROUPS
, '-',
569 "Tolerate other than the known g N values."},
570 {"srp_strength", OPT_SRP_STRENGTH
, 'p', "Minimal mength in bits for N"},
572 #ifndef OPENSSL_NO_TLSEXT
573 {"servername", OPT_SERVERNAME
, 's',
574 "Set TLS extension servername in ClientHello"},
575 {"tlsextdebug", OPT_TLSEXTDEBUG
, '-',
576 "Hex dump of all TLS extensions received"},
577 {"status", OPT_STATUS
, '-', "Request certificate status from server"},
578 {"serverinfo", OPT_SERVERINFO
, 's',
579 "types Send empty ClientHello extensions (comma-separated numbers)"},
580 {"alpn", OPT_ALPN
, 's',
581 "Enable ALPN extension, considering named protocols supported (comma-separated list)"},
582 # ifndef OPENSSL_NO_NEXTPROTONEG
583 {"nextprotoneg", OPT_NEXTPROTONEG
, 's',
584 "Enable NPN extension, considering named protocols supported (comma-separated list)"},
587 {"CRL", OPT_CRL
, '<'},
588 {"crl_download", OPT_CRL_DOWNLOAD
, '-'},
589 {"CRLform", OPT_CRLFORM
, 'F'},
590 {"verify_return_error", OPT_VERIFY_RET_ERROR
, '-'},
591 {"verify_quiet", OPT_VERIFY_QUIET
, '-'},
592 {"brief", OPT_BRIEF
, '-'},
593 {"prexit", OPT_PREXIT
, '-'},
594 {"ssl_client_engine", OPT_SSL_CLIENT_ENGINE
, 's'},
595 {"trace", OPT_TRACE
, '-'},
596 {"security_debug", OPT_SECURITY_DEBUG
, '-'},
597 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE
, '-'},
598 {"cert_chain", OPT_CERT_CHAIN
, '<'},
599 {"chainCApath", OPT_CHAINCAPATH
, '/'},
600 {"verifyCApath", OPT_VERIFYCAPATH
, '/'},
601 {"build_chain", OPT_BUILD_CHAIN
, '-'},
602 {"chainCAfile", OPT_CHAINCAFILE
, '<'},
603 {"verifyCAfile", OPT_VERIFYCAFILE
, '<'},
604 #ifndef OPENSSL_NO_ENGINE
605 {"engine", OPT_ENGINE
, 's', "Use engine, possibly a hardware device"},
613 typedef enum PROTOCOL_choice
{
622 static OPT_PAIR services
[] = {
623 {"smtp", PROTO_SMTP
},
624 {"pop3", PROTO_POP3
},
625 {"imap", PROTO_IMAP
},
627 {"xmpp", PROTO_XMPP
},
631 int s_client_main(int argc
, char **argv
)
634 EVP_PKEY
*key
= NULL
;
637 STACK_OF(X509
) *chain
= NULL
;
639 X509_VERIFY_PARAM
*vpm
= NULL
;
640 SSL_EXCERT
*exc
= NULL
;
641 SSL_CONF_CTX
*cctx
= NULL
;
642 STACK_OF(OPENSSL_STRING
) *ssl_args
= NULL
;
643 STACK_OF(X509_CRL
) *crls
= NULL
;
644 const SSL_METHOD
*meth
= SSLv23_client_method();
645 char *CApath
= NULL
, *CAfile
= NULL
, *cbuf
= NULL
, *sbuf
= NULL
, *mbuf
=
647 char *cert_file
= NULL
, *key_file
= NULL
, *chain_file
= NULL
, *prog
;
648 char *chCApath
= NULL
, *chCAfile
= NULL
, *host
= SSL_HOST_NAME
, *inrand
=
650 char *passarg
= NULL
, *pass
= NULL
, *vfyCApath
= NULL
, *vfyCAfile
= NULL
;
651 char *sess_in
= NULL
, *sess_out
= NULL
, *crl_file
= NULL
, *p
;
652 char *engine_id
= NULL
, *ssl_client_engine_id
= NULL
;
653 char *jpake_secret
= NULL
;
654 const char *unix_path
= NULL
;
655 struct sockaddr peer
;
656 struct timeval timeout
, *timeoutp
;
657 fd_set readfds
, writefds
;
658 int build_chain
= 0, cbuf_len
, cbuf_off
, cert_format
= FORMAT_PEM
;
659 int key_format
= FORMAT_PEM
, crlf
= 0, full_log
= 1, mbuf_len
= 0;
661 int enable_timeouts
= 0, sdebug
= 0, peerlen
= sizeof peer
;
662 int reconnect
= 0, verify
= SSL_VERIFY_NONE
, vpmtouched
= 0;
663 int ret
= 1, in_init
= 1, i
, nbio_test
= 0, s
, k
, width
, state
= 0;
664 int sbuf_len
, sbuf_off
, socket_type
= SOCK_STREAM
;
665 int starttls_proto
= PROTO_OFF
, crl_format
= FORMAT_PEM
, crl_download
= 0;
666 int write_tty
, read_tty
, write_ssl
, read_ssl
, tty_on
, ssl_pending
;
667 int fallback_scsv
= 0;
668 long socket_mtu
= 0, randamt
= 0;
669 unsigned short port
= PORT
;
671 #ifndef OPENSSL_NO_KRB5
673 const char *krb5svc
= NULL
;
675 #ifndef OPENSSL_NO_ENGINE
676 ENGINE
*ssl_client_engine
= NULL
;
679 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
682 #ifndef OPENSSL_NO_TLSEXT
683 char *servername
= NULL
;
684 const char *alpn_in
= NULL
;
685 tlsextctx tlsextcbp
= { NULL
, 0 };
686 # define MAX_SI_TYPES 100
687 unsigned short serverinfo_types
[MAX_SI_TYPES
];
688 int serverinfo_count
= 0, start
= 0, len
;
689 # ifndef OPENSSL_NO_NEXTPROTONEG
690 const char *next_proto_neg_in
= NULL
;
693 #ifndef OPENSSL_NO_SRP
694 char *srppass
= NULL
;
695 int srp_lateuser
= 0;
696 SRP_ARG srp_arg
= { NULL
, NULL
, 0, 0, 0, 1024 };
699 prog
= opt_progname(argv
[0]);
708 verify_error
= X509_V_OK
;
709 vpm
= X509_VERIFY_PARAM_new();
710 cbuf
= OPENSSL_malloc(BUFSIZZ
);
711 sbuf
= OPENSSL_malloc(BUFSIZZ
);
712 mbuf
= OPENSSL_malloc(BUFSIZZ
);
713 cctx
= SSL_CONF_CTX_new();
715 if (vpm
== NULL
|| cctx
== NULL
716 || cbuf
== NULL
|| sbuf
== NULL
|| mbuf
== NULL
) {
717 BIO_printf(bio_err
, "%s: out of memory\n", prog
);
721 SSL_CONF_CTX_set_flags(cctx
, SSL_CONF_FLAG_CLIENT
| SSL_CONF_FLAG_CMDLINE
);
723 prog
= opt_init(argc
, argv
, s_client_options
);
724 while ((o
= opt_next()) != OPT_EOF
) {
729 #ifdef OPENSSL_NO_JPAKE
732 #ifdef OPENSSL_NO_SSL_TRACE
738 BIO_printf(bio_err
, "%s: Use -help for summary.\n", prog
);
741 opt_help(s_client_options
);
748 port
= atoi(opt_arg());
751 if (!extract_host_port(opt_arg(), &host
, NULL
, &port
))
755 unix_path
= opt_arg();
758 verify
= SSL_VERIFY_PEER
;
759 verify_depth
= atoi(opt_arg());
761 BIO_printf(bio_err
, "verify depth is %d\n", verify_depth
);
764 cert_file
= opt_arg();
767 crl_file
= opt_arg();
769 case OPT_CRL_DOWNLOAD
:
773 sess_out
= opt_arg();
779 if (!opt_format(opt_arg(), OPT_FMT_PEMDER
, &cert_format
))
783 if (!opt_format(opt_arg(), OPT_FMT_PEMDER
, &crl_format
))
786 case OPT_VERIFY_RET_ERROR
:
787 verify_return_error
= 1;
789 case OPT_VERIFY_QUIET
:
793 c_brief
= verify_quiet
= c_quiet
= 1;
796 if (ssl_args
== NULL
)
797 ssl_args
= sk_OPENSSL_STRING_new_null();
799 || !sk_OPENSSL_STRING_push(ssl_args
, opt_flag())
800 || !sk_OPENSSL_STRING_push(ssl_args
, opt_arg())) {
801 BIO_printf(bio_err
, "%s: Memory allocation failure\n", prog
);
806 if (!opt_verify(o
, vpm
))
811 if (!args_excert(o
, &exc
))
821 c_quiet
= c_ign_eof
= 1;
827 #ifndef OPENSSL_NO_KRB5
832 engine_id
= opt_arg();
834 case OPT_SSL_CLIENT_ENGINE
:
835 ssl_client_engine_id
= opt_arg();
852 #ifndef OPENSSL_NO_TLSEXT
853 case OPT_TLSEXTDEBUG
:
869 bio_c_msg
= BIO_new_file(opt_arg(), "w");
871 #ifndef OPENSSL_NO_SSL_TRACE
876 case OPT_SECURITY_DEBUG
:
879 case OPT_SECURITY_DEBUG_VERBOSE
:
891 #ifndef OPENSSL_NO_PSK
892 case OPT_PSK_IDENTITY
:
893 psk_identity
= opt_arg();
896 for (p
= psk_key
= opt_arg(); *p
; p
++) {
899 BIO_printf(bio_err
, "Not a hex number '%s'\n", psk_key
);
904 #ifndef OPENSSL_NO_SRP
906 srp_arg
.srplogin
= opt_arg();
907 meth
= TLSv1_client_method();
911 meth
= TLSv1_client_method();
913 case OPT_SRP_STRENGTH
:
914 srp_arg
.strength
= atoi(opt_arg());
915 BIO_printf(bio_err
, "SRP minimal length for N is %d\n",
917 meth
= TLSv1_client_method();
919 case OPT_SRP_LATEUSER
:
921 meth
= TLSv1_client_method();
923 case OPT_SRP_MOREGROUPS
:
925 meth
= TLSv1_client_method();
928 #ifndef OPENSSL_NO_SSL3
930 meth
= SSLv3_client_method();
934 meth
= TLSv1_2_client_method();
937 meth
= TLSv1_1_client_method();
940 meth
= TLSv1_client_method();
942 #ifndef OPENSSL_NO_DTLS1
944 meth
= DTLS_client_method();
945 socket_type
= SOCK_DGRAM
;
948 meth
= DTLSv1_client_method();
949 socket_type
= SOCK_DGRAM
;
952 meth
= DTLSv1_2_client_method();
953 socket_type
= SOCK_DGRAM
;
959 socket_mtu
= atol(opt_arg());
962 case OPT_FALLBACKSCSV
:
966 if (!opt_format(opt_arg(), OPT_FMT_PEMDER
, &key_format
))
973 chain_file
= opt_arg();
976 key_file
= opt_arg();
984 case OPT_CHAINCAPATH
:
985 chCApath
= opt_arg();
987 case OPT_VERIFYCAPATH
:
988 vfyCApath
= opt_arg();
990 case OPT_BUILD_CHAIN
:
996 case OPT_CHAINCAFILE
:
997 chCAfile
= opt_arg();
999 case OPT_VERIFYCAFILE
:
1000 vfyCAfile
= opt_arg();
1002 #ifndef OPENSSL_NO_TLSEXT
1003 case OPT_NEXTPROTONEG
:
1004 next_proto_neg_in
= opt_arg();
1007 alpn_in
= opt_arg();
1009 case OPT_SERVERINFO
:
1012 for (start
= 0, i
= 0; i
<= len
; ++i
) {
1013 if (i
== len
|| p
[i
] == ',') {
1014 serverinfo_types
[serverinfo_count
] = atoi(p
+ start
);
1015 if (++serverinfo_count
== MAX_SI_TYPES
)
1023 if (!opt_pair(opt_arg(), services
, &starttls_proto
))
1025 #ifndef OPENSSL_NO_TLSEXT
1026 case OPT_SERVERNAME
:
1027 servername
= opt_arg();
1028 /* meth=TLSv1_client_method(); */
1031 #ifndef OPENSSL_NO_JPAKE
1033 jpake_secret
= opt_arg();
1037 srtp_profiles
= opt_arg();
1039 case OPT_KEYMATEXPORT
:
1040 keymatexportlabel
= opt_arg();
1042 case OPT_KEYMATEXPORTLEN
:
1043 keymatexportlen
= atoi(opt_arg());
1047 argc
= opt_num_rest();
1050 if (unix_path
&& (socket_type
!= SOCK_STREAM
)) {
1052 "Can't use unix sockets and datagrams together\n");
1055 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1058 BIO_printf(bio_err
, "Can't use JPAKE and PSK together\n");
1061 psk_identity
= "JPAKE";
1065 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
1066 next_proto
.status
= -1;
1067 if (next_proto_neg_in
) {
1069 next_protos_parse(&next_proto
.len
, next_proto_neg_in
);
1070 if (next_proto
.data
== NULL
) {
1071 BIO_printf(bio_err
, "Error parsing -nextprotoneg argument\n");
1075 next_proto
.data
= NULL
;
1078 #ifndef OPENSSL_NO_ENGINE
1079 e
= setup_engine(engine_id
, 1);
1080 if (ssl_client_engine_id
) {
1081 ssl_client_engine
= ENGINE_by_id(ssl_client_engine_id
);
1082 if (ssl_client_engine
== NULL
) {
1083 BIO_printf(bio_err
, "Error getting client auth engine\n");
1089 if (!app_passwd(passarg
, NULL
, &pass
, NULL
)) {
1090 BIO_printf(bio_err
, "Error getting password\n");
1094 if (key_file
== NULL
)
1095 key_file
= cert_file
;
1098 key
= load_key(key_file
, key_format
, 0, pass
, e
,
1099 "client certificate private key file");
1101 ERR_print_errors(bio_err
);
1107 cert
= load_cert(cert_file
, cert_format
,
1108 NULL
, e
, "client certificate file");
1110 ERR_print_errors(bio_err
);
1116 chain
= load_certs(chain_file
, FORMAT_PEM
,
1117 NULL
, e
, "client certificate chain");
1124 crl
= load_crl(crl_file
, crl_format
);
1126 BIO_puts(bio_err
, "Error loading CRL\n");
1127 ERR_print_errors(bio_err
);
1130 crls
= sk_X509_CRL_new_null();
1131 if (crls
== NULL
|| !sk_X509_CRL_push(crls
, crl
)) {
1132 BIO_puts(bio_err
, "Error adding CRL\n");
1133 ERR_print_errors(bio_err
);
1139 if (!load_excert(&exc
))
1142 if (!app_RAND_load_file(NULL
, 1) && inrand
== NULL
1143 && !RAND_status()) {
1145 "warning, not much extra random data, consider using the -rand option\n");
1147 if (inrand
!= NULL
) {
1148 randamt
= app_RAND_load_files(inrand
);
1149 BIO_printf(bio_err
, "%ld semi-random bytes loaded\n", randamt
);
1152 if (bio_c_out
== NULL
) {
1153 if (c_quiet
&& !c_debug
) {
1154 bio_c_out
= BIO_new(BIO_s_null());
1155 if (c_msg
&& !bio_c_msg
)
1156 bio_c_msg
= dup_bio_out();
1157 } else if (bio_c_out
== NULL
)
1158 bio_c_out
= dup_bio_out();
1160 #ifndef OPENSSL_NO_SRP
1161 if (!app_passwd(srppass
, NULL
, &srp_arg
.srppassin
, NULL
)) {
1162 BIO_printf(bio_err
, "Error getting password\n");
1167 ctx
= SSL_CTX_new(meth
);
1169 ERR_print_errors(bio_err
);
1174 ssl_ctx_security_debug(ctx
, bio_err
, sdebug
);
1176 if (vpmtouched
&& !SSL_CTX_set1_param(ctx
, vpm
)) {
1177 BIO_printf(bio_err
, "Error setting verify params\n");
1178 ERR_print_errors(bio_err
);
1182 if (!config_ctx(cctx
, ssl_args
, ctx
, 1, jpake_secret
== NULL
))
1185 if (!ssl_load_stores(ctx
, vfyCApath
, vfyCAfile
, chCApath
, chCAfile
,
1186 crls
, crl_download
)) {
1187 BIO_printf(bio_err
, "Error loading store locations\n");
1188 ERR_print_errors(bio_err
);
1191 #ifndef OPENSSL_NO_ENGINE
1192 if (ssl_client_engine
) {
1193 if (!SSL_CTX_set_client_cert_engine(ctx
, ssl_client_engine
)) {
1194 BIO_puts(bio_err
, "Error setting client auth engine\n");
1195 ERR_print_errors(bio_err
);
1196 ENGINE_free(ssl_client_engine
);
1199 ENGINE_free(ssl_client_engine
);
1203 #ifndef OPENSSL_NO_PSK
1204 if (psk_key
!= NULL
|| jpake_secret
) {
1206 BIO_printf(bio_c_out
,
1207 "PSK key given or JPAKE in use, setting client callback\n");
1208 SSL_CTX_set_psk_client_callback(ctx
, psk_client_cb
);
1211 #ifndef OPENSSL_NO_SRTP
1212 if (srtp_profiles
!= NULL
) {
1213 /* Returns 0 on success! */
1214 if (SSL_CTX_set_tlsext_use_srtp(ctx
, srtp_profiles
) != 0) {
1215 BIO_printf(bio_err
, "Error setting SRTP profile\n");
1216 ERR_print_errors(bio_err
);
1223 ssl_ctx_set_excert(ctx
, exc
);
1225 #if !defined(OPENSSL_NO_TLSEXT)
1226 # if !defined(OPENSSL_NO_NEXTPROTONEG)
1227 if (next_proto
.data
)
1228 SSL_CTX_set_next_proto_select_cb(ctx
, next_proto_cb
, &next_proto
);
1231 unsigned short alpn_len
;
1232 unsigned char *alpn
= next_protos_parse(&alpn_len
, alpn_in
);
1235 BIO_printf(bio_err
, "Error parsing -alpn argument\n");
1238 /* Returns 0 on success! */
1239 if (SSL_CTX_set_alpn_protos(ctx
, alpn
, alpn_len
) != 0) {
1240 BIO_printf(bio_err
, "Error setting ALPN\n");
1246 #ifndef OPENSSL_NO_TLSEXT
1247 for (i
= 0; i
< serverinfo_count
; i
++) {
1248 if (!SSL_CTX_add_client_custom_ext(ctx
,
1249 serverinfo_types
[i
],
1251 serverinfo_cli_parse_cb
, NULL
)) {
1253 "Warning: Unable to add custom extension %u, skipping\n",
1254 serverinfo_types
[i
]);
1260 SSL_CTX_set_info_callback(ctx
, apps_ssl_info_callback
);
1262 SSL_CTX_set_verify(ctx
, verify
, verify_callback
);
1264 if (!ctx_set_verify_locations(ctx
, CAfile
, CApath
)) {
1265 ERR_print_errors(bio_err
);
1269 ssl_ctx_add_crls(ctx
, crls
, crl_download
);
1271 if (!set_cert_key_stuff(ctx
, cert
, key
, chain
, build_chain
))
1274 #ifndef OPENSSL_NO_TLSEXT
1275 if (servername
!= NULL
) {
1276 tlsextcbp
.biodebug
= bio_err
;
1277 SSL_CTX_set_tlsext_servername_callback(ctx
, ssl_servername_cb
);
1278 SSL_CTX_set_tlsext_servername_arg(ctx
, &tlsextcbp
);
1280 # ifndef OPENSSL_NO_SRP
1281 if (srp_arg
.srplogin
) {
1282 if (!srp_lateuser
&& !SSL_CTX_set_srp_username(ctx
, srp_arg
.srplogin
)) {
1283 BIO_printf(bio_err
, "Unable to set SRP username\n");
1286 srp_arg
.msg
= c_msg
;
1287 srp_arg
.debug
= c_debug
;
1288 SSL_CTX_set_srp_cb_arg(ctx
, &srp_arg
);
1289 SSL_CTX_set_srp_client_pwd_callback(ctx
, ssl_give_srp_client_pwd_cb
);
1290 SSL_CTX_set_srp_strength(ctx
, srp_arg
.strength
);
1291 if (c_msg
|| c_debug
|| srp_arg
.amp
== 0)
1292 SSL_CTX_set_srp_verify_param_callback(ctx
,
1293 ssl_srp_verify_param_cb
);
1301 BIO
*stmp
= BIO_new_file(sess_in
, "r");
1303 BIO_printf(bio_err
, "Can't open session file %s\n", sess_in
);
1304 ERR_print_errors(bio_err
);
1307 sess
= PEM_read_bio_SSL_SESSION(stmp
, NULL
, 0, NULL
);
1310 BIO_printf(bio_err
, "Can't open session file %s\n", sess_in
);
1311 ERR_print_errors(bio_err
);
1314 if (!SSL_set_session(con
, sess
)) {
1315 BIO_printf(bio_err
, "Can't set session\n");
1316 ERR_print_errors(bio_err
);
1319 SSL_SESSION_free(sess
);
1323 SSL_set_mode(con
, SSL_MODE_SEND_FALLBACK_SCSV
);
1325 #ifndef OPENSSL_NO_TLSEXT
1326 if (servername
!= NULL
) {
1327 if (!SSL_set_tlsext_host_name(con
, servername
)) {
1328 BIO_printf(bio_err
, "Unable to set TLS servername extension.\n");
1329 ERR_print_errors(bio_err
);
1334 #ifndef OPENSSL_NO_KRB5
1335 if (con
&& (kctx
= kssl_ctx_new()) != NULL
) {
1336 SSL_set0_kssl_ctx(con
, kctx
);
1337 kssl_ctx_setstring(kctx
, KSSL_SERVER
, host
);
1339 kssl_ctx_setstring(kctx
, KSSL_SERVICE
, krb5svc
);
1341 #endif /* OPENSSL_NO_KRB5 */
1345 if (init_client(&s
, host
, port
, socket_type
) == 0)
1347 if ((!unix_path
&& (init_client(&s
, host
, port
, socket_type
) == 0)) ||
1348 (unix_path
&& (init_client_unix(&s
, unix_path
) == 0)))
1351 BIO_printf(bio_err
, "connect:errno=%d\n", get_last_socket_error());
1355 BIO_printf(bio_c_out
, "CONNECTED(%08X)\n", s
);
1359 unsigned long l
= 1;
1360 BIO_printf(bio_c_out
, "turning on non blocking io\n");
1361 if (BIO_socket_ioctl(s
, FIONBIO
, &l
) < 0) {
1362 ERR_print_errors(bio_err
);
1368 SSL_set_debug(con
, 1);
1370 if (socket_type
== SOCK_DGRAM
) {
1372 sbio
= BIO_new_dgram(s
, BIO_NOCLOSE
);
1373 if (getsockname(s
, &peer
, (void *)&peerlen
) < 0) {
1374 BIO_printf(bio_err
, "getsockname:errno=%d\n",
1375 get_last_socket_error());
1380 (void)BIO_ctrl_set_connected(sbio
, 1, &peer
);
1382 if (enable_timeouts
) {
1384 timeout
.tv_usec
= DGRAM_RCV_TIMEOUT
;
1385 BIO_ctrl(sbio
, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT
, 0, &timeout
);
1388 timeout
.tv_usec
= DGRAM_SND_TIMEOUT
;
1389 BIO_ctrl(sbio
, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT
, 0, &timeout
);
1393 if (socket_mtu
< DTLS_get_link_min_mtu(con
)) {
1394 BIO_printf(bio_err
, "MTU too small. Must be at least %ld\n",
1395 DTLS_get_link_min_mtu(con
));
1399 SSL_set_options(con
, SSL_OP_NO_QUERY_MTU
);
1400 if (!DTLS_set_link_mtu(con
, socket_mtu
)) {
1401 BIO_printf(bio_err
, "Failed to set MTU\n");
1406 /* want to do MTU discovery */
1407 BIO_ctrl(sbio
, BIO_CTRL_DGRAM_MTU_DISCOVER
, 0, NULL
);
1409 sbio
= BIO_new_socket(s
, BIO_NOCLOSE
);
1414 test
= BIO_new(BIO_f_nbio_test());
1415 sbio
= BIO_push(test
, sbio
);
1419 SSL_set_debug(con
, 1);
1420 BIO_set_callback(sbio
, bio_dump_callback
);
1421 BIO_set_callback_arg(sbio
, (char *)bio_c_out
);
1424 #ifndef OPENSSL_NO_SSL_TRACE
1426 SSL_set_msg_callback(con
, SSL_trace
);
1429 SSL_set_msg_callback(con
, msg_cb
);
1430 SSL_set_msg_callback_arg(con
, bio_c_msg
? bio_c_msg
: bio_c_out
);
1432 #ifndef OPENSSL_NO_TLSEXT
1433 if (c_tlsextdebug
) {
1434 SSL_set_tlsext_debug_callback(con
, tlsext_cb
);
1435 SSL_set_tlsext_debug_arg(con
, bio_c_out
);
1438 SSL_set_tlsext_status_type(con
, TLSEXT_STATUSTYPE_ocsp
);
1439 SSL_CTX_set_tlsext_status_cb(ctx
, ocsp_resp_cb
);
1440 SSL_CTX_set_tlsext_status_arg(ctx
, bio_c_out
);
1443 #ifndef OPENSSL_NO_JPAKE
1445 jpake_client_auth(bio_c_out
, sbio
, jpake_secret
);
1448 SSL_set_bio(con
, sbio
, sbio
);
1449 SSL_set_connect_state(con
);
1451 /* ok, lets connect */
1452 width
= SSL_get_fd(con
) + 1;
1465 switch ((PROTOCOL_CHOICE
) starttls_proto
) {
1471 * This is an ugly hack that does a lot of assumptions. We do
1472 * have to handle multi-line responses which may come in a single
1473 * packet or not. We therefore have to use BIO_gets() which does
1474 * need a buffering BIO. So during the initial chitchat we do
1475 * push a buffering BIO into the chain that is removed again
1476 * later on to not disturb the rest of the s_client operation.
1479 BIO
*fbio
= BIO_new(BIO_f_buffer());
1480 BIO_push(fbio
, sbio
);
1481 /* wait for multi-line response to end from SMTP */
1483 mbuf_len
= BIO_gets(fbio
, mbuf
, BUFSIZZ
);
1485 while (mbuf_len
> 3 && mbuf
[3] == '-');
1486 BIO_printf(fbio
, "EHLO openssl.client.net\r\n");
1487 (void)BIO_flush(fbio
);
1488 /* wait for multi-line response to end EHLO SMTP response */
1490 mbuf_len
= BIO_gets(fbio
, mbuf
, BUFSIZZ
);
1491 if (strstr(mbuf
, "STARTTLS"))
1494 while (mbuf_len
> 3 && mbuf
[3] == '-');
1495 (void)BIO_flush(fbio
);
1500 "didn't found starttls in server response,"
1501 " try anyway...\n");
1502 BIO_printf(sbio
, "STARTTLS\r\n");
1503 BIO_read(sbio
, sbuf
, BUFSIZZ
);
1508 BIO_read(sbio
, mbuf
, BUFSIZZ
);
1509 BIO_printf(sbio
, "STLS\r\n");
1510 mbuf_len
= BIO_read(sbio
, sbuf
, BUFSIZZ
);
1512 BIO_printf(bio_err
, "BIO_read failed\n");
1520 BIO
*fbio
= BIO_new(BIO_f_buffer());
1521 BIO_push(fbio
, sbio
);
1522 BIO_gets(fbio
, mbuf
, BUFSIZZ
);
1523 /* STARTTLS command requires CAPABILITY... */
1524 BIO_printf(fbio
, ". CAPABILITY\r\n");
1525 (void)BIO_flush(fbio
);
1526 /* wait for multi-line CAPABILITY response */
1528 mbuf_len
= BIO_gets(fbio
, mbuf
, BUFSIZZ
);
1529 if (strstr(mbuf
, "STARTTLS"))
1532 while (mbuf_len
> 3 && mbuf
[0] != '.');
1533 (void)BIO_flush(fbio
);
1538 "didn't found STARTTLS in server response,"
1539 " try anyway...\n");
1540 BIO_printf(sbio
, ". STARTTLS\r\n");
1541 BIO_read(sbio
, sbuf
, BUFSIZZ
);
1546 BIO
*fbio
= BIO_new(BIO_f_buffer());
1547 BIO_push(fbio
, sbio
);
1548 /* wait for multi-line response to end from FTP */
1550 mbuf_len
= BIO_gets(fbio
, mbuf
, BUFSIZZ
);
1552 while (mbuf_len
> 3 && mbuf
[3] == '-');
1553 (void)BIO_flush(fbio
);
1556 BIO_printf(sbio
, "AUTH TLS\r\n");
1557 BIO_read(sbio
, sbuf
, BUFSIZZ
);
1563 BIO_printf(sbio
, "<stream:stream "
1564 "xmlns:stream='http://etherx.jabber.org/streams' "
1565 "xmlns='jabber:client' to='%s' version='1.0'>",
1567 seen
= BIO_read(sbio
, mbuf
, BUFSIZZ
);
1570 (mbuf
, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")
1572 "<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\""))
1574 seen
= BIO_read(sbio
, mbuf
, BUFSIZZ
);
1582 "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
1583 seen
= BIO_read(sbio
, sbuf
, BUFSIZZ
);
1585 if (!strstr(sbuf
, "<proceed"))
1596 if ((SSL_version(con
) == DTLS1_VERSION
) &&
1597 DTLSv1_get_timeout(con
, &timeout
))
1598 timeoutp
= &timeout
;
1602 if (SSL_in_init(con
) && !SSL_total_renegotiations(con
)) {
1609 #ifndef OPENSSL_NO_TLSEXT
1610 if (servername
!= NULL
&& !SSL_session_reused(con
)) {
1611 BIO_printf(bio_c_out
,
1612 "Server did %sacknowledge servername extension.\n",
1613 tlsextcbp
.ack
? "" : "not ");
1617 BIO
*stmp
= BIO_new_file(sess_out
, "w");
1619 PEM_write_bio_SSL_SESSION(stmp
, SSL_get_session(con
));
1622 BIO_printf(bio_err
, "Error writing session file %s\n",
1626 BIO_puts(bio_err
, "CONNECTION ESTABLISHED\n");
1627 print_ssl_summary(bio_err
, con
);
1630 print_stuff(bio_c_out
, con
, full_log
);
1634 if (starttls_proto
) {
1635 BIO_write(bio_err
, mbuf
, mbuf_len
);
1636 /* We don't need to know any more */
1638 starttls_proto
= PROTO_OFF
;
1643 BIO_printf(bio_c_out
,
1644 "drop connection and then reconnect\n");
1646 SSL_set_connect_state(con
);
1647 SHUTDOWN(SSL_get_fd(con
));
1653 ssl_pending
= read_ssl
&& SSL_pending(con
);
1656 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE)
1659 openssl_fdset(fileno(stdin
), &readfds
);
1661 openssl_fdset(fileno(stdout
), &writefds
);
1664 openssl_fdset(SSL_get_fd(con
), &readfds
);
1666 openssl_fdset(SSL_get_fd(con
), &writefds
);
1668 if (!tty_on
|| !write_tty
) {
1670 openssl_fdset(SSL_get_fd(con
), &readfds
);
1672 openssl_fdset(SSL_get_fd(con
), &writefds
);
1677 * Note: under VMS with SOCKETSHR the second parameter is
1678 * currently of type (int *) whereas under other systems it is
1679 * (void *) if you don't have a cast it will choke the compiler:
1680 * if you do have a cast then you can either go for (int *) or
1683 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1685 * Under Windows/DOS we make the assumption that we can always
1686 * write to the tty: therefore if we need to write to the tty we
1687 * just fall through. Otherwise we timeout the select every
1688 * second and see if there are any keypresses. Note: this is a
1689 * hack, in a proper Windows application we wouldn't do this.
1696 i
= select(width
, (void *)&readfds
, (void *)&writefds
,
1698 # if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1699 if (!i
&& (!_kbhit() || !read_tty
))
1702 if (!i
&& (!((_kbhit())
1703 || (WAIT_OBJECT_0
==
1704 WaitForSingleObject(GetStdHandle
1711 i
= select(width
, (void *)&readfds
, (void *)&writefds
,
1714 #elif defined(OPENSSL_SYS_NETWARE)
1719 i
= select(width
, (void *)&readfds
, (void *)&writefds
,
1722 i
= select(width
, (void *)&readfds
, (void *)&writefds
,
1726 i
= select(width
, (void *)&readfds
, (void *)&writefds
,
1730 BIO_printf(bio_err
, "bad select %d\n",
1731 get_last_socket_error());
1737 if ((SSL_version(con
) == DTLS1_VERSION
)
1738 && DTLSv1_handle_timeout(con
) > 0) {
1739 BIO_printf(bio_err
, "TIMEOUT occurred\n");
1742 if (!ssl_pending
&& FD_ISSET(SSL_get_fd(con
), &writefds
)) {
1743 k
= SSL_write(con
, &(cbuf
[cbuf_off
]), (unsigned int)cbuf_len
);
1744 switch (SSL_get_error(con
, k
)) {
1745 case SSL_ERROR_NONE
:
1750 /* we have done a write(con,NULL,0); */
1751 if (cbuf_len
<= 0) {
1754 } else { /* if (cbuf_len > 0) */
1760 case SSL_ERROR_WANT_WRITE
:
1761 BIO_printf(bio_c_out
, "write W BLOCK\n");
1765 case SSL_ERROR_WANT_READ
:
1766 BIO_printf(bio_c_out
, "write R BLOCK\n");
1771 case SSL_ERROR_WANT_X509_LOOKUP
:
1772 BIO_printf(bio_c_out
, "write X BLOCK\n");
1774 case SSL_ERROR_ZERO_RETURN
:
1775 if (cbuf_len
!= 0) {
1776 BIO_printf(bio_c_out
, "shutdown\n");
1785 case SSL_ERROR_SYSCALL
:
1786 if ((k
!= 0) || (cbuf_len
!= 0)) {
1787 BIO_printf(bio_err
, "write:errno=%d\n",
1788 get_last_socket_error());
1796 ERR_print_errors(bio_err
);
1800 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
1801 /* Assume Windows/DOS/BeOS can always write */
1802 else if (!ssl_pending
&& write_tty
)
1804 else if (!ssl_pending
&& FD_ISSET(fileno(stdout
), &writefds
))
1807 #ifdef CHARSET_EBCDIC
1808 ascii2ebcdic(&(sbuf
[sbuf_off
]), &(sbuf
[sbuf_off
]), sbuf_len
);
1810 i
= raw_write_stdout(&(sbuf
[sbuf_off
]), sbuf_len
);
1813 BIO_printf(bio_c_out
, "DONE\n");
1821 if (sbuf_len
<= 0) {
1825 } else if (ssl_pending
|| FD_ISSET(SSL_get_fd(con
), &readfds
)) {
1830 SSL_renegotiate(con
);
1835 k
= SSL_read(con
, sbuf
, 1024 /* BUFSIZZ */ );
1837 switch (SSL_get_error(con
, k
)) {
1838 case SSL_ERROR_NONE
:
1847 case SSL_ERROR_WANT_WRITE
:
1848 BIO_printf(bio_c_out
, "read W BLOCK\n");
1852 case SSL_ERROR_WANT_READ
:
1853 BIO_printf(bio_c_out
, "read R BLOCK\n");
1856 if ((read_tty
== 0) && (write_ssl
== 0))
1859 case SSL_ERROR_WANT_X509_LOOKUP
:
1860 BIO_printf(bio_c_out
, "read X BLOCK\n");
1862 case SSL_ERROR_SYSCALL
:
1863 ret
= get_last_socket_error();
1865 BIO_puts(bio_err
, "CONNECTION CLOSED BY SERVER\n");
1867 BIO_printf(bio_err
, "read:errno=%d\n", ret
);
1869 case SSL_ERROR_ZERO_RETURN
:
1870 BIO_printf(bio_c_out
, "closed\n");
1874 ERR_print_errors(bio_err
);
1879 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1880 # if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1884 || (WAIT_OBJECT_0
==
1885 WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE
), 0)))
1887 #elif defined (OPENSSL_SYS_NETWARE)
1890 else if (FD_ISSET(fileno(stdin
), &readfds
))
1896 i
= raw_read_stdin(cbuf
, BUFSIZZ
/ 2);
1898 /* both loops are skipped when i <= 0 */
1899 for (j
= 0; j
< i
; j
++)
1900 if (cbuf
[j
] == '\n')
1902 for (j
= i
- 1; j
>= 0; j
--) {
1903 cbuf
[j
+ lf_num
] = cbuf
[j
];
1904 if (cbuf
[j
] == '\n') {
1907 cbuf
[j
+ lf_num
] = '\r';
1910 assert(lf_num
== 0);
1912 i
= raw_read_stdin(cbuf
, BUFSIZZ
);
1914 if ((!c_ign_eof
) && ((i
<= 0) || (cbuf
[0] == 'Q'))) {
1915 BIO_printf(bio_err
, "DONE\n");
1920 if ((!c_ign_eof
) && (cbuf
[0] == 'R')) {
1921 BIO_printf(bio_err
, "RENEGOTIATING\n");
1922 SSL_renegotiate(con
);
1925 #ifndef OPENSSL_NO_HEARTBEATS
1926 else if ((!c_ign_eof
) && (cbuf
[0] == 'B')) {
1927 BIO_printf(bio_err
, "HEARTBEATING\n");
1935 #ifdef CHARSET_EBCDIC
1936 ebcdic2ascii(cbuf
, cbuf
, i
);
1948 print_stuff(bio_c_out
, con
, full_log
);
1950 SHUTDOWN(SSL_get_fd(con
));
1954 print_stuff(bio_c_out
, con
, 1);
1957 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
1958 if (next_proto
.data
)
1959 OPENSSL_free(next_proto
.data
);
1965 sk_X509_CRL_pop_free(crls
, X509_CRL_free
);
1968 sk_X509_pop_free(chain
, X509_free
);
1972 X509_VERIFY_PARAM_free(vpm
);
1973 ssl_excert_free(exc
);
1974 sk_OPENSSL_STRING_free(ssl_args
);
1975 SSL_CONF_CTX_free(cctx
);
1976 #ifndef OPENSSL_NO_JPAKE
1977 if (jpake_secret
&& psk_key
)
1978 OPENSSL_free(psk_key
);
1981 OPENSSL_cleanse(cbuf
, BUFSIZZ
);
1985 OPENSSL_cleanse(sbuf
, BUFSIZZ
);
1989 OPENSSL_cleanse(mbuf
, BUFSIZZ
);
1992 BIO_free(bio_c_out
);
1994 BIO_free(bio_c_msg
);
1999 static void print_stuff(BIO
*bio
, SSL
*s
, int full
)
2004 STACK_OF(X509_NAME
) *sk2
;
2005 const SSL_CIPHER
*c
;
2008 #ifndef OPENSSL_NO_COMP
2009 const COMP_METHOD
*comp
, *expansion
;
2011 unsigned char *exportedkeymat
;
2014 int got_a_chain
= 0;
2016 sk
= SSL_get_peer_cert_chain(s
);
2020 BIO_printf(bio
, "---\nCertificate chain\n");
2021 for (i
= 0; i
< sk_X509_num(sk
); i
++) {
2022 X509_NAME_oneline(X509_get_subject_name(sk_X509_value(sk
, i
)),
2024 BIO_printf(bio
, "%2d s:%s\n", i
, buf
);
2025 X509_NAME_oneline(X509_get_issuer_name(sk_X509_value(sk
, i
)),
2027 BIO_printf(bio
, " i:%s\n", buf
);
2029 PEM_write_bio_X509(bio
, sk_X509_value(sk
, i
));
2033 BIO_printf(bio
, "---\n");
2034 peer
= SSL_get_peer_certificate(s
);
2036 BIO_printf(bio
, "Server certificate\n");
2038 /* Redundant if we showed the whole chain */
2039 if (!(c_showcerts
&& got_a_chain
))
2040 PEM_write_bio_X509(bio
, peer
);
2041 X509_NAME_oneline(X509_get_subject_name(peer
), buf
, sizeof buf
);
2042 BIO_printf(bio
, "subject=%s\n", buf
);
2043 X509_NAME_oneline(X509_get_issuer_name(peer
), buf
, sizeof buf
);
2044 BIO_printf(bio
, "issuer=%s\n", buf
);
2046 BIO_printf(bio
, "no peer certificate available\n");
2048 sk2
= SSL_get_client_CA_list(s
);
2049 if ((sk2
!= NULL
) && (sk_X509_NAME_num(sk2
) > 0)) {
2050 BIO_printf(bio
, "---\nAcceptable client certificate CA names\n");
2051 for (i
= 0; i
< sk_X509_NAME_num(sk2
); i
++) {
2052 xn
= sk_X509_NAME_value(sk2
, i
);
2053 X509_NAME_oneline(xn
, buf
, sizeof(buf
));
2054 BIO_write(bio
, buf
, strlen(buf
));
2055 BIO_write(bio
, "\n", 1);
2058 BIO_printf(bio
, "---\nNo client certificate CA names sent\n");
2061 ssl_print_sigalgs(bio
, s
);
2062 ssl_print_tmp_key(bio
, s
);
2065 "---\nSSL handshake has read %ld bytes and written %ld bytes\n",
2066 BIO_number_read(SSL_get_rbio(s
)),
2067 BIO_number_written(SSL_get_wbio(s
)));
2069 BIO_printf(bio
, (SSL_cache_hit(s
) ? "---\nReused, " : "---\nNew, "));
2070 c
= SSL_get_current_cipher(s
);
2071 BIO_printf(bio
, "%s, Cipher is %s\n",
2072 SSL_CIPHER_get_version(c
), SSL_CIPHER_get_name(c
));
2075 pktmp
= X509_get_pubkey(peer
);
2076 BIO_printf(bio
, "Server public key is %d bit\n",
2077 EVP_PKEY_bits(pktmp
));
2078 EVP_PKEY_free(pktmp
);
2080 BIO_printf(bio
, "Secure Renegotiation IS%s supported\n",
2081 SSL_get_secure_renegotiation_support(s
) ? "" : " NOT");
2082 #ifndef OPENSSL_NO_COMP
2083 comp
= SSL_get_current_compression(s
);
2084 expansion
= SSL_get_current_expansion(s
);
2085 BIO_printf(bio
, "Compression: %s\n",
2086 comp
? SSL_COMP_get_name(comp
) : "NONE");
2087 BIO_printf(bio
, "Expansion: %s\n",
2088 expansion
? SSL_COMP_get_name(expansion
) : "NONE");
2093 /* Print out local port of connection: useful for debugging */
2095 struct sockaddr_in ladd
;
2096 socklen_t ladd_size
= sizeof(ladd
);
2097 sock
= SSL_get_fd(s
);
2098 getsockname(sock
, (struct sockaddr
*)&ladd
, &ladd_size
);
2099 BIO_printf(bio_c_out
, "LOCAL PORT is %u\n", ntohs(ladd
.sin_port
));
2103 #if !defined(OPENSSL_NO_TLSEXT)
2104 # if !defined(OPENSSL_NO_NEXTPROTONEG)
2105 if (next_proto
.status
!= -1) {
2106 const unsigned char *proto
;
2107 unsigned int proto_len
;
2108 SSL_get0_next_proto_negotiated(s
, &proto
, &proto_len
);
2109 BIO_printf(bio
, "Next protocol: (%d) ", next_proto
.status
);
2110 BIO_write(bio
, proto
, proto_len
);
2111 BIO_write(bio
, "\n", 1);
2115 const unsigned char *proto
;
2116 unsigned int proto_len
;
2117 SSL_get0_alpn_selected(s
, &proto
, &proto_len
);
2118 if (proto_len
> 0) {
2119 BIO_printf(bio
, "ALPN protocol: ");
2120 BIO_write(bio
, proto
, proto_len
);
2121 BIO_write(bio
, "\n", 1);
2123 BIO_printf(bio
, "No ALPN negotiated\n");
2127 #ifndef OPENSSL_NO_SRTP
2129 SRTP_PROTECTION_PROFILE
*srtp_profile
=
2130 SSL_get_selected_srtp_profile(s
);
2133 BIO_printf(bio
, "SRTP Extension negotiated, profile=%s\n",
2134 srtp_profile
->name
);
2138 SSL_SESSION_print(bio
, SSL_get_session(s
));
2139 if (keymatexportlabel
!= NULL
) {
2140 BIO_printf(bio
, "Keying material exporter:\n");
2141 BIO_printf(bio
, " Label: '%s'\n", keymatexportlabel
);
2142 BIO_printf(bio
, " Length: %i bytes\n", keymatexportlen
);
2143 exportedkeymat
= OPENSSL_malloc(keymatexportlen
);
2144 if (exportedkeymat
!= NULL
) {
2145 if (!SSL_export_keying_material(s
, exportedkeymat
,
2148 strlen(keymatexportlabel
),
2150 BIO_printf(bio
, " Error\n");
2152 BIO_printf(bio
, " Keying material: ");
2153 for (i
= 0; i
< keymatexportlen
; i
++)
2154 BIO_printf(bio
, "%02X", exportedkeymat
[i
]);
2155 BIO_printf(bio
, "\n");
2157 OPENSSL_free(exportedkeymat
);
2160 BIO_printf(bio
, "---\n");
2163 /* flush, or debugging output gets mixed with http response */
2164 (void)BIO_flush(bio
);
2167 #ifndef OPENSSL_NO_TLSEXT
2169 static int ocsp_resp_cb(SSL
*s
, void *arg
)
2171 const unsigned char *p
;
2174 len
= SSL_get_tlsext_status_ocsp_resp(s
, &p
);
2175 BIO_puts(arg
, "OCSP response: ");
2177 BIO_puts(arg
, "no response sent\n");
2180 rsp
= d2i_OCSP_RESPONSE(NULL
, &p
, len
);
2182 BIO_puts(arg
, "response parse error\n");
2183 BIO_dump_indent(arg
, (char *)p
, len
, 4);
2186 BIO_puts(arg
, "\n======================================\n");
2187 OCSP_RESPONSE_print(arg
, rsp
, 0);
2188 BIO_puts(arg
, "======================================\n");
2189 OCSP_RESPONSE_free(rsp
);