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 static int ocsp_resp_cb(SSL
*s
, void *arg
);
203 #ifndef OPENSSL_NO_PSK
204 /* Default PSK identity and key */
205 static char *psk_identity
= "Client_identity";
207 * char *psk_key=NULL; by default PSK is not used
210 static unsigned int psk_client_cb(SSL
*ssl
, const char *hint
, char *identity
,
211 unsigned int max_identity_len
,
213 unsigned int max_psk_len
)
215 unsigned int psk_len
= 0;
220 BIO_printf(bio_c_out
, "psk_client_cb\n");
222 /* no ServerKeyExchange message */
224 BIO_printf(bio_c_out
,
225 "NULL received PSK identity hint, continuing anyway\n");
227 BIO_printf(bio_c_out
, "Received PSK identity hint '%s'\n", hint
);
230 * lookup PSK identity and PSK key based on the given identity hint here
232 ret
= BIO_snprintf(identity
, max_identity_len
, "%s", psk_identity
);
233 if (ret
< 0 || (unsigned int)ret
> max_identity_len
)
236 BIO_printf(bio_c_out
, "created identity '%s' len=%d\n", identity
,
238 ret
= BN_hex2bn(&bn
, psk_key
);
240 BIO_printf(bio_err
, "Could not convert PSK key '%s' to BIGNUM\n",
246 if ((unsigned int)BN_num_bytes(bn
) > max_psk_len
) {
248 "psk buffer of callback is too small (%d) for key (%d)\n",
249 max_psk_len
, BN_num_bytes(bn
));
254 psk_len
= BN_bn2bin(bn
, psk
);
260 BIO_printf(bio_c_out
, "created PSK len=%d\n", psk_len
);
265 BIO_printf(bio_err
, "Error in PSK client callback\n");
270 /* This is a context that we pass to callbacks */
271 typedef struct tlsextctx_st
{
276 static int ssl_servername_cb(SSL
*s
, int *ad
, void *arg
)
278 tlsextctx
*p
= (tlsextctx
*) arg
;
279 const char *hn
= SSL_get_servername(s
, TLSEXT_NAMETYPE_host_name
);
280 if (SSL_get_servername_type(s
) != -1)
281 p
->ack
= !SSL_session_reused(s
) && hn
!= NULL
;
283 BIO_printf(bio_err
, "Can't use SSL_get_servername\n");
285 return SSL_TLSEXT_ERR_OK
;
288 #ifndef OPENSSL_NO_SRP
290 /* This is a context that we pass to all callbacks */
291 typedef struct srp_arg_st
{
294 int msg
; /* copy from c_msg */
295 int debug
; /* copy from c_debug */
296 int amp
; /* allow more groups */
297 int strength
/* minimal size for N */ ;
300 # define SRP_NUMBER_ITERATIONS_FOR_PRIME 64
302 static int srp_Verify_N_and_g(const BIGNUM
*N
, const BIGNUM
*g
)
304 BN_CTX
*bn_ctx
= BN_CTX_new();
305 BIGNUM
*p
= BN_new();
306 BIGNUM
*r
= BN_new();
308 g
!= NULL
&& N
!= NULL
&& bn_ctx
!= NULL
&& BN_is_odd(N
) &&
309 BN_is_prime_ex(N
, SRP_NUMBER_ITERATIONS_FOR_PRIME
, bn_ctx
, NULL
) &&
310 p
!= NULL
&& BN_rshift1(p
, N
) &&
312 BN_is_prime_ex(p
, SRP_NUMBER_ITERATIONS_FOR_PRIME
, bn_ctx
, NULL
) &&
314 /* verify g^((N-1)/2) == -1 (mod N) */
315 BN_mod_exp(r
, g
, p
, N
, bn_ctx
) &&
316 BN_add_word(r
, 1) && BN_cmp(r
, N
) == 0;
325 * This callback is used here for two purposes:
326 * - extended debugging
327 * - making some primality tests for unknown groups
328 * The callback is only called for a non default group.
330 * An application does not need the call back at all if
331 * only the stanard groups are used. In real life situations,
332 * client and server already share well known groups,
333 * thus there is no need to verify them.
334 * Furthermore, in case that a server actually proposes a group that
335 * is not one of those defined in RFC 5054, it is more appropriate
336 * to add the group to a static list and then compare since
337 * primality tests are rather cpu consuming.
340 static int ssl_srp_verify_param_cb(SSL
*s
, void *arg
)
342 SRP_ARG
*srp_arg
= (SRP_ARG
*)arg
;
343 BIGNUM
*N
= NULL
, *g
= NULL
;
345 if (((N
= SSL_get_srp_N(s
)) == NULL
) || ((g
= SSL_get_srp_g(s
)) == NULL
))
347 if (srp_arg
->debug
|| srp_arg
->msg
|| srp_arg
->amp
== 1) {
348 BIO_printf(bio_err
, "SRP parameters:\n");
349 BIO_printf(bio_err
, "\tN=");
350 BN_print(bio_err
, N
);
351 BIO_printf(bio_err
, "\n\tg=");
352 BN_print(bio_err
, g
);
353 BIO_printf(bio_err
, "\n");
356 if (SRP_check_known_gN_param(g
, N
))
359 if (srp_arg
->amp
== 1) {
362 "SRP param N and g are not known params, going to check deeper.\n");
365 * The srp_moregroups is a real debugging feature. Implementors
366 * should rather add the value to the known ones. The minimal size
367 * has already been tested.
369 if (BN_num_bits(g
) <= BN_BITS
&& srp_Verify_N_and_g(N
, g
))
372 BIO_printf(bio_err
, "SRP param N and g rejected.\n");
376 # define PWD_STRLEN 1024
378 static char *ssl_give_srp_client_pwd_cb(SSL
*s
, void *arg
)
380 SRP_ARG
*srp_arg
= (SRP_ARG
*)arg
;
381 char *pass
= app_malloc(PWD_STRLEN
+ 1, "SRP password buffer");
385 cb_tmp
.password
= (char *)srp_arg
->srppassin
;
386 cb_tmp
.prompt_info
= "SRP user";
387 if ((l
= password_callback(pass
, PWD_STRLEN
, 0, &cb_tmp
)) < 0) {
388 BIO_printf(bio_err
, "Can't read Password\n");
399 char *srtp_profiles
= NULL
;
401 #ifndef OPENSSL_NO_NEXTPROTONEG
402 /* This the context that we pass to next_proto_cb */
403 typedef struct tlsextnextprotoctx_st
{
407 } tlsextnextprotoctx
;
409 static tlsextnextprotoctx next_proto
;
411 static int next_proto_cb(SSL
*s
, unsigned char **out
, unsigned char *outlen
,
412 const unsigned char *in
, unsigned int inlen
,
415 tlsextnextprotoctx
*ctx
= arg
;
418 /* We can assume that |in| is syntactically valid. */
420 BIO_printf(bio_c_out
, "Protocols advertised by server: ");
421 for (i
= 0; i
< inlen
;) {
423 BIO_write(bio_c_out
, ", ", 2);
424 BIO_write(bio_c_out
, &in
[i
+ 1], in
[i
]);
427 BIO_write(bio_c_out
, "\n", 1);
431 SSL_select_next_proto(out
, outlen
, in
, inlen
, ctx
->data
, ctx
->len
);
432 return SSL_TLSEXT_ERR_OK
;
434 #endif /* ndef OPENSSL_NO_NEXTPROTONEG */
436 static int serverinfo_cli_parse_cb(SSL
*s
, unsigned int ext_type
,
437 const unsigned char *in
, size_t inlen
,
441 unsigned char ext_buf
[4 + 65536];
443 /* Reconstruct the type/len fields prior to extension data */
444 ext_buf
[0] = ext_type
>> 8;
445 ext_buf
[1] = ext_type
& 0xFF;
446 ext_buf
[2] = inlen
>> 8;
447 ext_buf
[3] = inlen
& 0xFF;
448 memcpy(ext_buf
+ 4, in
, inlen
);
450 BIO_snprintf(pem_name
, sizeof(pem_name
), "SERVERINFO FOR EXTENSION %d",
452 PEM_write_bio(bio_c_out
, pem_name
, "", ext_buf
, 4 + inlen
);
456 typedef enum OPTION_choice
{
457 OPT_ERR
= -1, OPT_EOF
= 0, OPT_HELP
,
458 OPT_HOST
, OPT_PORT
, OPT_CONNECT
, OPT_UNIX
, OPT_XMPPHOST
, OPT_VERIFY
,
459 OPT_CERT
, OPT_CRL
, OPT_CRL_DOWNLOAD
, OPT_SESS_OUT
, OPT_SESS_IN
,
460 OPT_CERTFORM
, OPT_CRLFORM
, OPT_VERIFY_RET_ERROR
, OPT_VERIFY_QUIET
,
461 OPT_BRIEF
, OPT_PREXIT
, OPT_CRLF
, OPT_QUIET
, OPT_NBIO
,
462 OPT_SSL_CLIENT_ENGINE
, OPT_RAND
, OPT_IGN_EOF
, OPT_NO_IGN_EOF
,
463 OPT_PAUSE
, OPT_DEBUG
, OPT_TLSEXTDEBUG
, OPT_STATUS
, OPT_WDEBUG
,
464 OPT_MSG
, OPT_MSGFILE
, OPT_ENGINE
, OPT_TRACE
, OPT_SECURITY_DEBUG
,
465 OPT_SECURITY_DEBUG_VERBOSE
, OPT_SHOWCERTS
, OPT_NBIO_TEST
, OPT_STATE
,
466 OPT_PSK_IDENTITY
, OPT_PSK
, OPT_SRPUSER
, OPT_SRPPASS
, OPT_SRP_STRENGTH
,
467 OPT_SRP_LATEUSER
, OPT_SRP_MOREGROUPS
, OPT_SSL3
,
468 OPT_TLS1_2
, OPT_TLS1_1
, OPT_TLS1
, OPT_DTLS
, OPT_DTLS1
,
469 OPT_DTLS1_2
, OPT_TIMEOUT
, OPT_MTU
, OPT_KEYFORM
, OPT_PASS
,
470 OPT_CERT_CHAIN
, OPT_CAPATH
, OPT_CHAINCAPATH
, OPT_VERIFYCAPATH
,
471 OPT_KEY
, OPT_RECONNECT
, OPT_BUILD_CHAIN
, OPT_CAFILE
,
472 OPT_CHAINCAFILE
, OPT_VERIFYCAFILE
, OPT_NEXTPROTONEG
, OPT_ALPN
,
473 OPT_SERVERINFO
, OPT_STARTTLS
, OPT_SERVERNAME
, OPT_JPAKE
,
474 OPT_USE_SRTP
, OPT_KEYMATEXPORT
, OPT_KEYMATEXPORTLEN
, OPT_SMTPHOST
,
478 OPT_FALLBACKSCSV
, OPT_NOCMDS
, OPT_PROXY
481 OPTIONS s_client_options
[] = {
482 {"help", OPT_HELP
, '-', "Display this summary"},
483 {"host", OPT_HOST
, 's', "Use -connect instead"},
484 {"port", OPT_PORT
, 'p', "Use -connect instead"},
485 {"connect", OPT_CONNECT
, 's',
486 "TCP/IP where to connect (default is " SSL_HOST_NAME
":" PORT_STR
")"},
487 {"proxy", OPT_PROXY
, 's',
488 "Connect to via specified proxy to the real server"},
489 {"unix", OPT_UNIX
, 's', "Connect over unix domain sockets"},
490 {"verify", OPT_VERIFY
, 'p', "Turn on peer certificate verification"},
491 {"cert", OPT_CERT
, '<', "Certificate file to use, PEM format assumed"},
492 {"certform", OPT_CERTFORM
, 'F',
493 "Certificate format (PEM or DER) PEM default"},
494 {"key", OPT_KEY
, '<', "Private key file to use, if not in -cert file"},
495 {"keyform", OPT_KEYFORM
, 'F', "Key format (PEM or DER) PEM default"},
496 {"pass", OPT_PASS
, 's', "Private key file pass phrase source"},
497 {"CApath", OPT_CAPATH
, '/', "PEM format directory of CA's"},
498 {"CAfile", OPT_CAFILE
, '<', "PEM format file of CA's"},
499 {"reconnect", OPT_RECONNECT
, '-',
500 "Drop and re-make the connection with the same Session-ID"},
501 {"pause", OPT_PAUSE
, '-', "Sleep after each read and write system call"},
502 {"showcerts", OPT_SHOWCERTS
, '-', "Show all certificates in the chain"},
503 {"debug", OPT_DEBUG
, '-', "Extra output"},
504 {"msg", OPT_MSG
, '-', "Show protocol messages"},
505 {"msgfile", OPT_MSGFILE
, '>'},
506 {"nbio_test", OPT_NBIO_TEST
, '-', "More ssl protocol testing"},
507 {"state", OPT_STATE
, '-', "Print the ssl states"},
508 {"crlf", OPT_CRLF
, '-', "Convert LF from terminal into CRLF"},
509 {"quiet", OPT_QUIET
, '-', "No s_client output"},
510 {"ign_eof", OPT_IGN_EOF
, '-', "Ignore input eof (default when -quiet)"},
511 {"no_ign_eof", OPT_NO_IGN_EOF
, '-', "Don't ignore input eof"},
512 {"tls1_2", OPT_TLS1_2
, '-', "Just use TLSv1.2"},
513 {"tls1_1", OPT_TLS1_1
, '-', "Just use TLSv1.1"},
514 {"tls1", OPT_TLS1
, '-', "Just use TLSv1"},
515 {"starttls", OPT_STARTTLS
, 's',
516 "Use the STARTTLS command before starting TLS"},
517 {"xmpphost", OPT_XMPPHOST
, 's', "Host to use with \"-starttls xmpp\""},
518 {"rand", OPT_RAND
, 's',
519 "Load the file(s) into the random number generator"},
520 {"sess_out", OPT_SESS_OUT
, '>', "File to write SSL session to"},
521 {"sess_in", OPT_SESS_IN
, '<', "File to read SSL session from"},
522 {"use_srtp", OPT_USE_SRTP
, '<',
523 "Offer SRTP key management with a colon-separated profile list"},
524 {"keymatexport", OPT_KEYMATEXPORT
, 's',
525 "Export keying material using label"},
526 {"keymatexportlen", OPT_KEYMATEXPORTLEN
, 'p',
527 "Export len bytes of keying material (default 20)"},
528 {"fallback_scsv", OPT_FALLBACKSCSV
, '-', "Send the fallback SCSV"},
529 {"name", OPT_SMTPHOST
, 's', "Hostname to use for \"-starttls smtp\""},
530 {"CRL", OPT_CRL
, '<'},
531 {"crl_download", OPT_CRL_DOWNLOAD
, '-'},
532 {"CRLform", OPT_CRLFORM
, 'F'},
533 {"verify_return_error", OPT_VERIFY_RET_ERROR
, '-'},
534 {"verify_quiet", OPT_VERIFY_QUIET
, '-'},
535 {"brief", OPT_BRIEF
, '-'},
536 {"prexit", OPT_PREXIT
, '-'},
537 {"security_debug", OPT_SECURITY_DEBUG
, '-'},
538 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE
, '-'},
539 {"cert_chain", OPT_CERT_CHAIN
, '<'},
540 {"chainCApath", OPT_CHAINCAPATH
, '/'},
541 {"verifyCApath", OPT_VERIFYCAPATH
, '/'},
542 {"build_chain", OPT_BUILD_CHAIN
, '-'},
543 {"chainCAfile", OPT_CHAINCAFILE
, '<'},
544 {"verifyCAfile", OPT_VERIFYCAFILE
, '<'},
545 {"nocommands", OPT_NOCMDS
, '-', "Do not use interactive command letters"},
546 {"servername", OPT_SERVERNAME
, 's',
547 "Set TLS extension servername in ClientHello"},
548 {"tlsextdebug", OPT_TLSEXTDEBUG
, '-',
549 "Hex dump of all TLS extensions received"},
550 {"status", OPT_STATUS
, '-', "Request certificate status from server"},
551 {"serverinfo", OPT_SERVERINFO
, 's',
552 "types Send empty ClientHello extensions (comma-separated numbers)"},
553 {"alpn", OPT_ALPN
, 's',
554 "Enable ALPN extension, considering named protocols supported (comma-separated list)"},
558 #ifndef OPENSSL_NO_SSL3
559 {"ssl3", OPT_SSL3
, '-', "Just use SSLv3"},
561 #ifndef OPENSSL_NO_DTLS1
562 {"dtls", OPT_DTLS
, '-'},
563 {"dtls1", OPT_DTLS1
, '-', "Just use DTLSv1"},
564 {"dtls1_2", OPT_DTLS1_2
, '-'},
565 {"timeout", OPT_TIMEOUT
, '-'},
566 {"mtu", OPT_MTU
, 'p', "Set the link layer MTU"},
568 #ifndef OPENSSL_NO_SSL_TRACE
569 {"trace", OPT_TRACE
, '-'},
572 {"wdebug", OPT_WDEBUG
, '-', "WATT-32 tcp debugging"},
575 {"nbio", OPT_NBIO
, '-', "Use non-blocking IO"},
577 #ifndef OPENSSL_NO_PSK
578 {"psk_identity", OPT_PSK_IDENTITY
, 's', "PSK identity"},
579 {"psk", OPT_PSK
, 's', "PSK in hex (without 0x)"},
580 # ifndef OPENSSL_NO_JPAKE
581 {"jpake", OPT_JPAKE
, 's', "JPAKE secret to use"},
584 #ifndef OPENSSL_NO_SRP
585 {"srpuser", OPT_SRPUSER
, 's', "SRP authentification for 'user'"},
586 {"srppass", OPT_SRPPASS
, 's', "Password for 'user'"},
587 {"srp_lateuser", OPT_SRP_LATEUSER
, '-',
588 "SRP username into second ClientHello message"},
589 {"srp_moregroups", OPT_SRP_MOREGROUPS
, '-',
590 "Tolerate other than the known g N values."},
591 {"srp_strength", OPT_SRP_STRENGTH
, 'p', "Minimal mength in bits for N"},
593 #ifndef OPENSSL_NO_NEXTPROTONEG
594 {"nextprotoneg", OPT_NEXTPROTONEG
, 's',
595 "Enable NPN extension, considering named protocols supported (comma-separated list)"},
597 #ifndef OPENSSL_NO_ENGINE
598 {"engine", OPT_ENGINE
, 's', "Use engine, possibly a hardware device"},
599 {"ssl_client_engine", OPT_SSL_CLIENT_ENGINE
, 's'},
604 typedef enum PROTOCOL_choice
{
615 static OPT_PAIR services
[] = {
616 {"smtp", PROTO_SMTP
},
617 {"pop3", PROTO_POP3
},
618 {"imap", PROTO_IMAP
},
620 {"xmpp", PROTO_XMPP
},
621 {"telnet", PROTO_TELNET
},
625 int s_client_main(int argc
, char **argv
)
628 EVP_PKEY
*key
= NULL
;
631 STACK_OF(X509
) *chain
= NULL
;
633 X509_VERIFY_PARAM
*vpm
= NULL
;
634 SSL_EXCERT
*exc
= NULL
;
635 SSL_CONF_CTX
*cctx
= NULL
;
636 STACK_OF(OPENSSL_STRING
) *ssl_args
= NULL
;
637 STACK_OF(X509_CRL
) *crls
= NULL
;
638 const SSL_METHOD
*meth
= TLS_client_method();
639 char *CApath
= NULL
, *CAfile
= NULL
, *cbuf
= NULL
, *sbuf
= NULL
;
640 char *mbuf
= NULL
, *proxystr
= NULL
, *connectstr
= NULL
;
641 char *cert_file
= NULL
, *key_file
= NULL
, *chain_file
= NULL
, *prog
;
642 char *chCApath
= NULL
, *chCAfile
= NULL
, *host
= SSL_HOST_NAME
;
644 char *passarg
= NULL
, *pass
= NULL
, *vfyCApath
= NULL
, *vfyCAfile
= NULL
;
645 char *sess_in
= NULL
, *sess_out
= NULL
, *crl_file
= NULL
, *p
;
646 char *jpake_secret
= NULL
, *xmpphost
= NULL
;
647 const char *unix_path
= NULL
;
648 const char *ehlo
= "mail.example.com";
649 struct sockaddr peer
;
650 struct timeval timeout
, *timeoutp
;
651 fd_set readfds
, writefds
;
652 int build_chain
= 0, cbuf_len
, cbuf_off
, cert_format
= FORMAT_PEM
;
653 int key_format
= FORMAT_PEM
, crlf
= 0, full_log
= 1, mbuf_len
= 0;
655 int enable_timeouts
= 0, sdebug
= 0, peerlen
= sizeof peer
;
656 int reconnect
= 0, verify
= SSL_VERIFY_NONE
, vpmtouched
= 0;
657 int ret
= 1, in_init
= 1, i
, nbio_test
= 0, s
, k
, width
, state
= 0;
658 int sbuf_len
, sbuf_off
, socket_type
= SOCK_STREAM
, cmdletters
= 1;
659 int starttls_proto
= PROTO_OFF
, crl_format
= FORMAT_PEM
, crl_download
= 0;
660 int write_tty
, read_tty
, write_ssl
, read_ssl
, tty_on
, ssl_pending
;
661 int fallback_scsv
= 0;
662 long socket_mtu
= 0, randamt
= 0;
663 unsigned short port
= PORT
;
665 #ifndef OPENSSL_NO_ENGINE
666 ENGINE
*ssl_client_engine
= NULL
;
669 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
672 char *servername
= NULL
;
673 const char *alpn_in
= NULL
;
674 tlsextctx tlsextcbp
= { NULL
, 0 };
675 #define MAX_SI_TYPES 100
676 unsigned short serverinfo_types
[MAX_SI_TYPES
];
677 int serverinfo_count
= 0, start
= 0, len
;
678 #ifndef OPENSSL_NO_NEXTPROTONEG
679 const char *next_proto_neg_in
= NULL
;
681 #ifndef OPENSSL_NO_SRP
682 char *srppass
= NULL
;
683 int srp_lateuser
= 0;
684 SRP_ARG srp_arg
= { NULL
, NULL
, 0, 0, 0, 1024 };
687 prog
= opt_progname(argv
[0]);
696 verify_error
= X509_V_OK
;
697 vpm
= X509_VERIFY_PARAM_new();
698 cbuf
= app_malloc(BUFSIZZ
, "cbuf");
699 sbuf
= app_malloc(BUFSIZZ
, "sbuf");
700 mbuf
= app_malloc(BUFSIZZ
, "mbuf");
701 cctx
= SSL_CONF_CTX_new();
703 if (vpm
== NULL
|| cctx
== NULL
) {
704 BIO_printf(bio_err
, "%s: out of memory\n", prog
);
708 SSL_CONF_CTX_set_flags(cctx
, SSL_CONF_FLAG_CLIENT
| SSL_CONF_FLAG_CMDLINE
);
710 prog
= opt_init(argc
, argv
, s_client_options
);
711 while ((o
= opt_next()) != OPT_EOF
) {
716 BIO_printf(bio_err
, "%s: Use -help for summary.\n", prog
);
719 opt_help(s_client_options
);
726 port
= atoi(opt_arg());
729 connectstr
= opt_arg();
732 proxystr
= opt_arg();
733 starttls_proto
= PROTO_CONNECT
;
736 unix_path
= opt_arg();
739 xmpphost
= opt_arg();
745 verify
= SSL_VERIFY_PEER
;
746 verify_depth
= atoi(opt_arg());
748 BIO_printf(bio_err
, "verify depth is %d\n", verify_depth
);
751 cert_file
= opt_arg();
754 crl_file
= opt_arg();
756 case OPT_CRL_DOWNLOAD
:
760 sess_out
= opt_arg();
766 if (!opt_format(opt_arg(), OPT_FMT_PEMDER
, &cert_format
))
770 if (!opt_format(opt_arg(), OPT_FMT_PEMDER
, &crl_format
))
773 case OPT_VERIFY_RET_ERROR
:
774 verify_return_error
= 1;
776 case OPT_VERIFY_QUIET
:
780 c_brief
= verify_quiet
= c_quiet
= 1;
783 if (ssl_args
== NULL
)
784 ssl_args
= sk_OPENSSL_STRING_new_null();
786 || !sk_OPENSSL_STRING_push(ssl_args
, opt_flag())
787 || !sk_OPENSSL_STRING_push(ssl_args
, opt_arg())) {
788 BIO_printf(bio_err
, "%s: Memory allocation failure\n", prog
);
793 if (!opt_verify(o
, vpm
))
798 if (!args_excert(o
, &exc
))
808 c_quiet
= c_ign_eof
= 1;
817 e
= setup_engine(opt_arg(), 1);
819 case OPT_SSL_CLIENT_ENGINE
:
820 #ifndef OPENSSL_NO_ENGINE
821 ssl_client_engine
= ENGINE_by_id(opt_arg());
822 if (ssl_client_engine
== NULL
) {
823 BIO_printf(bio_err
, "Error getting client auth engine\n");
844 case OPT_TLSEXTDEBUG
:
859 bio_c_msg
= BIO_new_file(opt_arg(), "w");
862 #ifndef OPENSSL_NO_SSL_TRACE
866 case OPT_SECURITY_DEBUG
:
869 case OPT_SECURITY_DEBUG_VERBOSE
:
881 #ifndef OPENSSL_NO_PSK
882 case OPT_PSK_IDENTITY
:
883 psk_identity
= opt_arg();
886 for (p
= psk_key
= opt_arg(); *p
; p
++) {
889 BIO_printf(bio_err
, "Not a hex number '%s'\n", psk_key
);
893 case OPT_PSK_IDENTITY
:
897 #ifndef OPENSSL_NO_SRP
899 srp_arg
.srplogin
= opt_arg();
900 meth
= TLSv1_client_method();
904 meth
= TLSv1_client_method();
906 case OPT_SRP_STRENGTH
:
907 srp_arg
.strength
= atoi(opt_arg());
908 BIO_printf(bio_err
, "SRP minimal length for N is %d\n",
910 meth
= TLSv1_client_method();
912 case OPT_SRP_LATEUSER
:
914 meth
= TLSv1_client_method();
916 case OPT_SRP_MOREGROUPS
:
918 meth
= TLSv1_client_method();
923 case OPT_SRP_STRENGTH
:
924 case OPT_SRP_LATEUSER
:
925 case OPT_SRP_MOREGROUPS
:
929 #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());
969 case OPT_FALLBACKSCSV
:
973 if (!opt_format(opt_arg(), OPT_FMT_PEMDER
, &key_format
))
980 chain_file
= opt_arg();
983 key_file
= opt_arg();
991 case OPT_CHAINCAPATH
:
992 chCApath
= opt_arg();
994 case OPT_VERIFYCAPATH
:
995 vfyCApath
= opt_arg();
997 case OPT_BUILD_CHAIN
:
1003 case OPT_CHAINCAFILE
:
1004 chCAfile
= opt_arg();
1006 case OPT_VERIFYCAFILE
:
1007 vfyCAfile
= opt_arg();
1009 case OPT_NEXTPROTONEG
:
1010 next_proto_neg_in
= opt_arg();
1013 alpn_in
= opt_arg();
1015 case OPT_SERVERINFO
:
1018 for (start
= 0, i
= 0; i
<= len
; ++i
) {
1019 if (i
== len
|| p
[i
] == ',') {
1020 serverinfo_types
[serverinfo_count
] = atoi(p
+ start
);
1021 if (++serverinfo_count
== MAX_SI_TYPES
)
1028 if (!opt_pair(opt_arg(), services
, &starttls_proto
))
1030 case OPT_SERVERNAME
:
1031 servername
= opt_arg();
1034 #ifndef OPENSSL_NO_JPAKE
1035 jpake_secret
= opt_arg();
1039 srtp_profiles
= opt_arg();
1041 case OPT_KEYMATEXPORT
:
1042 keymatexportlabel
= opt_arg();
1044 case OPT_KEYMATEXPORTLEN
:
1045 keymatexportlen
= atoi(opt_arg());
1049 argc
= opt_num_rest();
1052 if (!app_load_modules(NULL
))
1056 if (connectstr
== NULL
) {
1057 BIO_printf(bio_err
, "%s: -proxy requires use of -connect\n", prog
);
1060 if (!extract_host_port(proxystr
, &host
, NULL
, &port
))
1063 else if (connectstr
!= NULL
1064 && !extract_host_port(connectstr
, &host
, NULL
, &port
))
1067 if (unix_path
&& (socket_type
!= SOCK_STREAM
)) {
1069 "Can't use unix sockets and datagrams together\n");
1072 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1075 BIO_printf(bio_err
, "Can't use JPAKE and PSK together\n");
1078 psk_identity
= "JPAKE";
1082 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1083 next_proto
.status
= -1;
1084 if (next_proto_neg_in
) {
1086 next_protos_parse(&next_proto
.len
, next_proto_neg_in
);
1087 if (next_proto
.data
== NULL
) {
1088 BIO_printf(bio_err
, "Error parsing -nextprotoneg argument\n");
1092 next_proto
.data
= NULL
;
1095 if (!app_passwd(passarg
, NULL
, &pass
, NULL
)) {
1096 BIO_printf(bio_err
, "Error getting password\n");
1100 if (key_file
== NULL
)
1101 key_file
= cert_file
;
1104 key
= load_key(key_file
, key_format
, 0, pass
, e
,
1105 "client certificate private key file");
1107 ERR_print_errors(bio_err
);
1113 cert
= load_cert(cert_file
, cert_format
,
1114 NULL
, e
, "client certificate file");
1116 ERR_print_errors(bio_err
);
1122 chain
= load_certs(chain_file
, FORMAT_PEM
,
1123 NULL
, e
, "client certificate chain");
1130 crl
= load_crl(crl_file
, crl_format
);
1132 BIO_puts(bio_err
, "Error loading CRL\n");
1133 ERR_print_errors(bio_err
);
1136 crls
= sk_X509_CRL_new_null();
1137 if (crls
== NULL
|| !sk_X509_CRL_push(crls
, crl
)) {
1138 BIO_puts(bio_err
, "Error adding CRL\n");
1139 ERR_print_errors(bio_err
);
1145 if (!load_excert(&exc
))
1148 if (!app_RAND_load_file(NULL
, 1) && inrand
== NULL
1149 && !RAND_status()) {
1151 "warning, not much extra random data, consider using the -rand option\n");
1153 if (inrand
!= NULL
) {
1154 randamt
= app_RAND_load_files(inrand
);
1155 BIO_printf(bio_err
, "%ld semi-random bytes loaded\n", randamt
);
1158 if (bio_c_out
== NULL
) {
1159 if (c_quiet
&& !c_debug
) {
1160 bio_c_out
= BIO_new(BIO_s_null());
1161 if (c_msg
&& !bio_c_msg
)
1162 bio_c_msg
= dup_bio_out();
1163 } else if (bio_c_out
== NULL
)
1164 bio_c_out
= dup_bio_out();
1166 #ifndef OPENSSL_NO_SRP
1167 if (!app_passwd(srppass
, NULL
, &srp_arg
.srppassin
, NULL
)) {
1168 BIO_printf(bio_err
, "Error getting password\n");
1173 ctx
= SSL_CTX_new(meth
);
1175 ERR_print_errors(bio_err
);
1180 ssl_ctx_security_debug(ctx
, sdebug
);
1182 if (vpmtouched
&& !SSL_CTX_set1_param(ctx
, vpm
)) {
1183 BIO_printf(bio_err
, "Error setting verify params\n");
1184 ERR_print_errors(bio_err
);
1188 if (!config_ctx(cctx
, ssl_args
, ctx
, 1, jpake_secret
== NULL
))
1191 if (!ssl_load_stores(ctx
, vfyCApath
, vfyCAfile
, chCApath
, chCAfile
,
1192 crls
, crl_download
)) {
1193 BIO_printf(bio_err
, "Error loading store locations\n");
1194 ERR_print_errors(bio_err
);
1197 #ifndef OPENSSL_NO_ENGINE
1198 if (ssl_client_engine
) {
1199 if (!SSL_CTX_set_client_cert_engine(ctx
, ssl_client_engine
)) {
1200 BIO_puts(bio_err
, "Error setting client auth engine\n");
1201 ERR_print_errors(bio_err
);
1202 ENGINE_free(ssl_client_engine
);
1205 ENGINE_free(ssl_client_engine
);
1209 #ifndef OPENSSL_NO_PSK
1210 if (psk_key
!= NULL
|| jpake_secret
) {
1212 BIO_printf(bio_c_out
,
1213 "PSK key given or JPAKE in use, setting client callback\n");
1214 SSL_CTX_set_psk_client_callback(ctx
, psk_client_cb
);
1217 #ifndef OPENSSL_NO_SRTP
1218 if (srtp_profiles
!= NULL
) {
1219 /* Returns 0 on success! */
1220 if (SSL_CTX_set_tlsext_use_srtp(ctx
, srtp_profiles
) != 0) {
1221 BIO_printf(bio_err
, "Error setting SRTP profile\n");
1222 ERR_print_errors(bio_err
);
1229 ssl_ctx_set_excert(ctx
, exc
);
1231 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1232 if (next_proto
.data
)
1233 SSL_CTX_set_next_proto_select_cb(ctx
, next_proto_cb
, &next_proto
);
1236 unsigned short alpn_len
;
1237 unsigned char *alpn
= next_protos_parse(&alpn_len
, alpn_in
);
1240 BIO_printf(bio_err
, "Error parsing -alpn argument\n");
1243 /* Returns 0 on success! */
1244 if (SSL_CTX_set_alpn_protos(ctx
, alpn
, alpn_len
) != 0) {
1245 BIO_printf(bio_err
, "Error setting ALPN\n");
1251 for (i
= 0; i
< serverinfo_count
; i
++) {
1252 if (!SSL_CTX_add_client_custom_ext(ctx
,
1253 serverinfo_types
[i
],
1255 serverinfo_cli_parse_cb
, NULL
)) {
1257 "Warning: Unable to add custom extension %u, skipping\n",
1258 serverinfo_types
[i
]);
1263 SSL_CTX_set_info_callback(ctx
, apps_ssl_info_callback
);
1265 SSL_CTX_set_verify(ctx
, verify
, verify_callback
);
1267 if (!ctx_set_verify_locations(ctx
, CAfile
, CApath
)) {
1268 ERR_print_errors(bio_err
);
1272 ssl_ctx_add_crls(ctx
, crls
, crl_download
);
1274 if (!set_cert_key_stuff(ctx
, cert
, key
, chain
, build_chain
))
1277 if (servername
!= NULL
) {
1278 tlsextcbp
.biodebug
= bio_err
;
1279 SSL_CTX_set_tlsext_servername_callback(ctx
, ssl_servername_cb
);
1280 SSL_CTX_set_tlsext_servername_arg(ctx
, &tlsextcbp
);
1282 # ifndef OPENSSL_NO_SRP
1283 if (srp_arg
.srplogin
) {
1284 if (!srp_lateuser
&& !SSL_CTX_set_srp_username(ctx
, srp_arg
.srplogin
)) {
1285 BIO_printf(bio_err
, "Unable to set SRP username\n");
1288 srp_arg
.msg
= c_msg
;
1289 srp_arg
.debug
= c_debug
;
1290 SSL_CTX_set_srp_cb_arg(ctx
, &srp_arg
);
1291 SSL_CTX_set_srp_client_pwd_callback(ctx
, ssl_give_srp_client_pwd_cb
);
1292 SSL_CTX_set_srp_strength(ctx
, srp_arg
.strength
);
1293 if (c_msg
|| c_debug
|| srp_arg
.amp
== 0)
1294 SSL_CTX_set_srp_verify_param_callback(ctx
,
1295 ssl_srp_verify_param_cb
);
1302 BIO
*stmp
= BIO_new_file(sess_in
, "r");
1304 BIO_printf(bio_err
, "Can't open session file %s\n", sess_in
);
1305 ERR_print_errors(bio_err
);
1308 sess
= PEM_read_bio_SSL_SESSION(stmp
, NULL
, 0, NULL
);
1311 BIO_printf(bio_err
, "Can't open session file %s\n", sess_in
);
1312 ERR_print_errors(bio_err
);
1315 if (!SSL_set_session(con
, sess
)) {
1316 BIO_printf(bio_err
, "Can't set session\n");
1317 ERR_print_errors(bio_err
);
1320 SSL_SESSION_free(sess
);
1324 SSL_set_mode(con
, SSL_MODE_SEND_FALLBACK_SCSV
);
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
);
1336 if (init_client(&s
, host
, port
, socket_type
) == 0)
1338 if ((!unix_path
&& (init_client(&s
, host
, port
, socket_type
) == 0)) ||
1339 (unix_path
&& (init_client_unix(&s
, unix_path
) == 0)))
1342 BIO_printf(bio_err
, "connect:errno=%d\n", get_last_socket_error());
1346 BIO_printf(bio_c_out
, "CONNECTED(%08X)\n", s
);
1350 unsigned long l
= 1;
1351 BIO_printf(bio_c_out
, "turning on non blocking io\n");
1352 if (BIO_socket_ioctl(s
, FIONBIO
, &l
) < 0) {
1353 ERR_print_errors(bio_err
);
1359 SSL_set_debug(con
, 1);
1361 if (socket_type
== SOCK_DGRAM
) {
1363 sbio
= BIO_new_dgram(s
, BIO_NOCLOSE
);
1364 if (getsockname(s
, &peer
, (void *)&peerlen
) < 0) {
1365 BIO_printf(bio_err
, "getsockname:errno=%d\n",
1366 get_last_socket_error());
1371 (void)BIO_ctrl_set_connected(sbio
, 1, &peer
);
1373 if (enable_timeouts
) {
1375 timeout
.tv_usec
= DGRAM_RCV_TIMEOUT
;
1376 BIO_ctrl(sbio
, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT
, 0, &timeout
);
1379 timeout
.tv_usec
= DGRAM_SND_TIMEOUT
;
1380 BIO_ctrl(sbio
, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT
, 0, &timeout
);
1384 if (socket_mtu
< DTLS_get_link_min_mtu(con
)) {
1385 BIO_printf(bio_err
, "MTU too small. Must be at least %ld\n",
1386 DTLS_get_link_min_mtu(con
));
1390 SSL_set_options(con
, SSL_OP_NO_QUERY_MTU
);
1391 if (!DTLS_set_link_mtu(con
, socket_mtu
)) {
1392 BIO_printf(bio_err
, "Failed to set MTU\n");
1397 /* want to do MTU discovery */
1398 BIO_ctrl(sbio
, BIO_CTRL_DGRAM_MTU_DISCOVER
, 0, NULL
);
1400 sbio
= BIO_new_socket(s
, BIO_NOCLOSE
);
1405 test
= BIO_new(BIO_f_nbio_test());
1406 sbio
= BIO_push(test
, sbio
);
1410 SSL_set_debug(con
, 1);
1411 BIO_set_callback(sbio
, bio_dump_callback
);
1412 BIO_set_callback_arg(sbio
, (char *)bio_c_out
);
1415 #ifndef OPENSSL_NO_SSL_TRACE
1417 SSL_set_msg_callback(con
, SSL_trace
);
1420 SSL_set_msg_callback(con
, msg_cb
);
1421 SSL_set_msg_callback_arg(con
, bio_c_msg
? bio_c_msg
: bio_c_out
);
1424 if (c_tlsextdebug
) {
1425 SSL_set_tlsext_debug_callback(con
, tlsext_cb
);
1426 SSL_set_tlsext_debug_arg(con
, bio_c_out
);
1429 SSL_set_tlsext_status_type(con
, TLSEXT_STATUSTYPE_ocsp
);
1430 SSL_CTX_set_tlsext_status_cb(ctx
, ocsp_resp_cb
);
1431 SSL_CTX_set_tlsext_status_arg(ctx
, bio_c_out
);
1433 #ifndef OPENSSL_NO_JPAKE
1435 jpake_client_auth(bio_c_out
, sbio
, jpake_secret
);
1438 SSL_set_bio(con
, sbio
, sbio
);
1439 SSL_set_connect_state(con
);
1441 /* ok, lets connect */
1442 width
= SSL_get_fd(con
) + 1;
1455 switch ((PROTOCOL_CHOICE
) starttls_proto
) {
1461 * This is an ugly hack that does a lot of assumptions. We do
1462 * have to handle multi-line responses which may come in a single
1463 * packet or not. We therefore have to use BIO_gets() which does
1464 * need a buffering BIO. So during the initial chitchat we do
1465 * push a buffering BIO into the chain that is removed again
1466 * later on to not disturb the rest of the s_client operation.
1469 BIO
*fbio
= BIO_new(BIO_f_buffer());
1470 BIO_push(fbio
, sbio
);
1471 /* wait for multi-line response to end from SMTP */
1473 mbuf_len
= BIO_gets(fbio
, mbuf
, BUFSIZZ
);
1475 while (mbuf_len
> 3 && mbuf
[3] == '-');
1476 BIO_printf(fbio
, "EHLO %s\r\n", ehlo
);
1477 (void)BIO_flush(fbio
);
1478 /* wait for multi-line response to end EHLO SMTP response */
1480 mbuf_len
= BIO_gets(fbio
, mbuf
, BUFSIZZ
);
1481 if (strstr(mbuf
, "STARTTLS"))
1484 while (mbuf_len
> 3 && mbuf
[3] == '-');
1485 (void)BIO_flush(fbio
);
1490 "didn't found starttls in server response,"
1491 " try anyway...\n");
1492 BIO_printf(sbio
, "STARTTLS\r\n");
1493 BIO_read(sbio
, sbuf
, BUFSIZZ
);
1498 BIO_read(sbio
, mbuf
, BUFSIZZ
);
1499 BIO_printf(sbio
, "STLS\r\n");
1500 mbuf_len
= BIO_read(sbio
, sbuf
, BUFSIZZ
);
1502 BIO_printf(bio_err
, "BIO_read failed\n");
1510 BIO
*fbio
= BIO_new(BIO_f_buffer());
1511 BIO_push(fbio
, sbio
);
1512 BIO_gets(fbio
, mbuf
, BUFSIZZ
);
1513 /* STARTTLS command requires CAPABILITY... */
1514 BIO_printf(fbio
, ". CAPABILITY\r\n");
1515 (void)BIO_flush(fbio
);
1516 /* wait for multi-line CAPABILITY response */
1518 mbuf_len
= BIO_gets(fbio
, mbuf
, BUFSIZZ
);
1519 if (strstr(mbuf
, "STARTTLS"))
1522 while (mbuf_len
> 3 && mbuf
[0] != '.');
1523 (void)BIO_flush(fbio
);
1528 "didn't found STARTTLS in server response,"
1529 " try anyway...\n");
1530 BIO_printf(sbio
, ". STARTTLS\r\n");
1531 BIO_read(sbio
, sbuf
, BUFSIZZ
);
1536 BIO
*fbio
= BIO_new(BIO_f_buffer());
1537 BIO_push(fbio
, sbio
);
1538 /* wait for multi-line response to end from FTP */
1540 mbuf_len
= BIO_gets(fbio
, mbuf
, BUFSIZZ
);
1542 while (mbuf_len
> 3 && mbuf
[3] == '-');
1543 (void)BIO_flush(fbio
);
1546 BIO_printf(sbio
, "AUTH TLS\r\n");
1547 BIO_read(sbio
, sbuf
, BUFSIZZ
);
1553 BIO_printf(sbio
, "<stream:stream "
1554 "xmlns:stream='http://etherx.jabber.org/streams' "
1555 "xmlns='jabber:client' to='%s' version='1.0'>",
1556 xmpphost
? xmpphost
: host
);
1557 seen
= BIO_read(sbio
, mbuf
, BUFSIZZ
);
1560 (mbuf
, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")
1562 "<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\""))
1564 seen
= BIO_read(sbio
, mbuf
, BUFSIZZ
);
1572 "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
1573 seen
= BIO_read(sbio
, sbuf
, BUFSIZZ
);
1575 if (!strstr(sbuf
, "<proceed"))
1582 static const unsigned char tls_do
[] = {
1583 /* IAC DO START_TLS */
1586 static const unsigned char tls_will
[] = {
1587 /* IAC WILL START_TLS */
1590 static const unsigned char tls_follows
[] = {
1591 /* IAC SB START_TLS FOLLOWS IAC SE */
1592 255, 250, 46, 1, 255, 240
1596 /* Telnet server should demand we issue START_TLS */
1597 bytes
= BIO_read(sbio
, mbuf
, BUFSIZZ
);
1598 if (bytes
!= 3 || memcmp(mbuf
, tls_do
, 3) != 0)
1600 /* Agree to issue START_TLS and send the FOLLOWS sub-command */
1601 BIO_write(sbio
, tls_will
, 3);
1602 BIO_write(sbio
, tls_follows
, 6);
1603 (void)BIO_flush(sbio
);
1604 /* Telnet server also sent the FOLLOWS sub-command */
1605 bytes
= BIO_read(sbio
, mbuf
, BUFSIZZ
);
1606 if (bytes
!= 6 || memcmp(mbuf
, tls_follows
, 6) != 0)
1613 BIO
*fbio
= BIO_new(BIO_f_buffer());
1615 BIO_push(fbio
, sbio
);
1616 BIO_printf(fbio
, "CONNECT %s\r\n\r\n", connectstr
);
1617 (void)BIO_flush(fbio
);
1618 /* wait for multi-line response to end CONNECT response */
1620 mbuf_len
= BIO_gets(fbio
, mbuf
, BUFSIZZ
);
1621 if (strstr(mbuf
, "200") != NULL
1622 && strstr(mbuf
, "established") != NULL
)
1624 } while (mbuf_len
> 3 && foundit
== 0);
1625 (void)BIO_flush(fbio
);
1629 BIO_printf(bio_err
, "%s: HTTP CONNECT failed\n", prog
);
1640 if ((SSL_version(con
) == DTLS1_VERSION
) &&
1641 DTLSv1_get_timeout(con
, &timeout
))
1642 timeoutp
= &timeout
;
1646 if (SSL_in_init(con
) && !SSL_total_renegotiations(con
)) {
1654 if (servername
!= NULL
&& !SSL_session_reused(con
)) {
1655 BIO_printf(bio_c_out
,
1656 "Server did %sacknowledge servername extension.\n",
1657 tlsextcbp
.ack
? "" : "not ");
1661 BIO
*stmp
= BIO_new_file(sess_out
, "w");
1663 PEM_write_bio_SSL_SESSION(stmp
, SSL_get_session(con
));
1666 BIO_printf(bio_err
, "Error writing session file %s\n",
1670 BIO_puts(bio_err
, "CONNECTION ESTABLISHED\n");
1671 print_ssl_summary(con
);
1674 print_stuff(bio_c_out
, con
, full_log
);
1678 if (starttls_proto
) {
1679 BIO_write(bio_err
, mbuf
, mbuf_len
);
1680 /* We don't need to know any more */
1682 starttls_proto
= PROTO_OFF
;
1687 BIO_printf(bio_c_out
,
1688 "drop connection and then reconnect\n");
1690 SSL_set_connect_state(con
);
1691 SHUTDOWN(SSL_get_fd(con
));
1697 ssl_pending
= read_ssl
&& SSL_pending(con
);
1700 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE)
1703 openssl_fdset(fileno(stdin
), &readfds
);
1705 openssl_fdset(fileno(stdout
), &writefds
);
1708 openssl_fdset(SSL_get_fd(con
), &readfds
);
1710 openssl_fdset(SSL_get_fd(con
), &writefds
);
1712 if (!tty_on
|| !write_tty
) {
1714 openssl_fdset(SSL_get_fd(con
), &readfds
);
1716 openssl_fdset(SSL_get_fd(con
), &writefds
);
1721 * Note: under VMS with SOCKETSHR the second parameter is
1722 * currently of type (int *) whereas under other systems it is
1723 * (void *) if you don't have a cast it will choke the compiler:
1724 * if you do have a cast then you can either go for (int *) or
1727 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1729 * Under Windows/DOS we make the assumption that we can always
1730 * write to the tty: therefore if we need to write to the tty we
1731 * just fall through. Otherwise we timeout the select every
1732 * second and see if there are any keypresses. Note: this is a
1733 * hack, in a proper Windows application we wouldn't do this.
1740 i
= select(width
, (void *)&readfds
, (void *)&writefds
,
1742 # if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1743 if (!i
&& (!_kbhit() || !read_tty
))
1746 if (!i
&& (!((_kbhit())
1747 || (WAIT_OBJECT_0
==
1748 WaitForSingleObject(GetStdHandle
1755 i
= select(width
, (void *)&readfds
, (void *)&writefds
,
1758 #elif defined(OPENSSL_SYS_NETWARE)
1763 i
= select(width
, (void *)&readfds
, (void *)&writefds
,
1766 i
= select(width
, (void *)&readfds
, (void *)&writefds
,
1770 i
= select(width
, (void *)&readfds
, (void *)&writefds
,
1774 BIO_printf(bio_err
, "bad select %d\n",
1775 get_last_socket_error());
1781 if ((SSL_version(con
) == DTLS1_VERSION
)
1782 && DTLSv1_handle_timeout(con
) > 0) {
1783 BIO_printf(bio_err
, "TIMEOUT occurred\n");
1786 if (!ssl_pending
&& FD_ISSET(SSL_get_fd(con
), &writefds
)) {
1787 k
= SSL_write(con
, &(cbuf
[cbuf_off
]), (unsigned int)cbuf_len
);
1788 switch (SSL_get_error(con
, k
)) {
1789 case SSL_ERROR_NONE
:
1794 /* we have done a write(con,NULL,0); */
1795 if (cbuf_len
<= 0) {
1798 } else { /* if (cbuf_len > 0) */
1804 case SSL_ERROR_WANT_WRITE
:
1805 BIO_printf(bio_c_out
, "write W BLOCK\n");
1809 case SSL_ERROR_WANT_READ
:
1810 BIO_printf(bio_c_out
, "write R BLOCK\n");
1815 case SSL_ERROR_WANT_X509_LOOKUP
:
1816 BIO_printf(bio_c_out
, "write X BLOCK\n");
1818 case SSL_ERROR_ZERO_RETURN
:
1819 if (cbuf_len
!= 0) {
1820 BIO_printf(bio_c_out
, "shutdown\n");
1829 case SSL_ERROR_SYSCALL
:
1830 if ((k
!= 0) || (cbuf_len
!= 0)) {
1831 BIO_printf(bio_err
, "write:errno=%d\n",
1832 get_last_socket_error());
1840 ERR_print_errors(bio_err
);
1844 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
1845 /* Assume Windows/DOS/BeOS can always write */
1846 else if (!ssl_pending
&& write_tty
)
1848 else if (!ssl_pending
&& FD_ISSET(fileno(stdout
), &writefds
))
1851 #ifdef CHARSET_EBCDIC
1852 ascii2ebcdic(&(sbuf
[sbuf_off
]), &(sbuf
[sbuf_off
]), sbuf_len
);
1854 i
= raw_write_stdout(&(sbuf
[sbuf_off
]), sbuf_len
);
1857 BIO_printf(bio_c_out
, "DONE\n");
1865 if (sbuf_len
<= 0) {
1869 } else if (ssl_pending
|| FD_ISSET(SSL_get_fd(con
), &readfds
)) {
1874 SSL_renegotiate(con
);
1879 k
= SSL_read(con
, sbuf
, 1024 /* BUFSIZZ */ );
1881 switch (SSL_get_error(con
, k
)) {
1882 case SSL_ERROR_NONE
:
1891 case SSL_ERROR_WANT_WRITE
:
1892 BIO_printf(bio_c_out
, "read W BLOCK\n");
1896 case SSL_ERROR_WANT_READ
:
1897 BIO_printf(bio_c_out
, "read R BLOCK\n");
1900 if ((read_tty
== 0) && (write_ssl
== 0))
1903 case SSL_ERROR_WANT_X509_LOOKUP
:
1904 BIO_printf(bio_c_out
, "read X BLOCK\n");
1906 case SSL_ERROR_SYSCALL
:
1907 ret
= get_last_socket_error();
1909 BIO_puts(bio_err
, "CONNECTION CLOSED BY SERVER\n");
1911 BIO_printf(bio_err
, "read:errno=%d\n", ret
);
1913 case SSL_ERROR_ZERO_RETURN
:
1914 BIO_printf(bio_c_out
, "closed\n");
1918 ERR_print_errors(bio_err
);
1923 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1924 # if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1928 || (WAIT_OBJECT_0
==
1929 WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE
), 0)))
1931 #elif defined (OPENSSL_SYS_NETWARE)
1934 else if (FD_ISSET(fileno(stdin
), &readfds
))
1940 i
= raw_read_stdin(cbuf
, BUFSIZZ
/ 2);
1942 /* both loops are skipped when i <= 0 */
1943 for (j
= 0; j
< i
; j
++)
1944 if (cbuf
[j
] == '\n')
1946 for (j
= i
- 1; j
>= 0; j
--) {
1947 cbuf
[j
+ lf_num
] = cbuf
[j
];
1948 if (cbuf
[j
] == '\n') {
1951 cbuf
[j
+ lf_num
] = '\r';
1954 assert(lf_num
== 0);
1956 i
= raw_read_stdin(cbuf
, BUFSIZZ
);
1958 if ((!c_ign_eof
) && ((i
<= 0) || (cbuf
[0] == 'Q' && cmdletters
))) {
1959 BIO_printf(bio_err
, "DONE\n");
1964 if ((!c_ign_eof
) && (cbuf
[0] == 'R' && cmdletters
)) {
1965 BIO_printf(bio_err
, "RENEGOTIATING\n");
1966 SSL_renegotiate(con
);
1969 #ifndef OPENSSL_NO_HEARTBEATS
1970 else if ((!c_ign_eof
) && (cbuf
[0] == 'B' && cmdletters
)) {
1971 BIO_printf(bio_err
, "HEARTBEATING\n");
1979 #ifdef CHARSET_EBCDIC
1980 ebcdic2ascii(cbuf
, cbuf
, i
);
1992 print_stuff(bio_c_out
, con
, full_log
);
1994 SHUTDOWN(SSL_get_fd(con
));
1998 print_stuff(bio_c_out
, con
, 1);
2001 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2002 OPENSSL_free(next_proto
.data
);
2006 sk_X509_CRL_pop_free(crls
, X509_CRL_free
);
2008 sk_X509_pop_free(chain
, X509_free
);
2010 X509_VERIFY_PARAM_free(vpm
);
2011 ssl_excert_free(exc
);
2012 sk_OPENSSL_STRING_free(ssl_args
);
2013 SSL_CONF_CTX_free(cctx
);
2014 OPENSSL_clear_free(cbuf
, BUFSIZZ
);
2015 OPENSSL_clear_free(sbuf
, BUFSIZZ
);
2016 OPENSSL_clear_free(mbuf
, BUFSIZZ
);
2017 BIO_free(bio_c_out
);
2019 BIO_free(bio_c_msg
);
2024 static void print_stuff(BIO
*bio
, SSL
*s
, int full
)
2029 STACK_OF(X509_NAME
) *sk2
;
2030 const SSL_CIPHER
*c
;
2033 #ifndef OPENSSL_NO_COMP
2034 const COMP_METHOD
*comp
, *expansion
;
2036 unsigned char *exportedkeymat
;
2039 int got_a_chain
= 0;
2041 sk
= SSL_get_peer_cert_chain(s
);
2045 BIO_printf(bio
, "---\nCertificate chain\n");
2046 for (i
= 0; i
< sk_X509_num(sk
); i
++) {
2047 X509_NAME_oneline(X509_get_subject_name(sk_X509_value(sk
, i
)),
2049 BIO_printf(bio
, "%2d s:%s\n", i
, buf
);
2050 X509_NAME_oneline(X509_get_issuer_name(sk_X509_value(sk
, i
)),
2052 BIO_printf(bio
, " i:%s\n", buf
);
2054 PEM_write_bio_X509(bio
, sk_X509_value(sk
, i
));
2058 BIO_printf(bio
, "---\n");
2059 peer
= SSL_get_peer_certificate(s
);
2061 BIO_printf(bio
, "Server certificate\n");
2063 /* Redundant if we showed the whole chain */
2064 if (!(c_showcerts
&& got_a_chain
))
2065 PEM_write_bio_X509(bio
, peer
);
2066 X509_NAME_oneline(X509_get_subject_name(peer
), buf
, sizeof buf
);
2067 BIO_printf(bio
, "subject=%s\n", buf
);
2068 X509_NAME_oneline(X509_get_issuer_name(peer
), buf
, sizeof buf
);
2069 BIO_printf(bio
, "issuer=%s\n", buf
);
2071 BIO_printf(bio
, "no peer certificate available\n");
2073 sk2
= SSL_get_client_CA_list(s
);
2074 if ((sk2
!= NULL
) && (sk_X509_NAME_num(sk2
) > 0)) {
2075 BIO_printf(bio
, "---\nAcceptable client certificate CA names\n");
2076 for (i
= 0; i
< sk_X509_NAME_num(sk2
); i
++) {
2077 xn
= sk_X509_NAME_value(sk2
, i
);
2078 X509_NAME_oneline(xn
, buf
, sizeof(buf
));
2079 BIO_write(bio
, buf
, strlen(buf
));
2080 BIO_write(bio
, "\n", 1);
2083 BIO_printf(bio
, "---\nNo client certificate CA names sent\n");
2086 ssl_print_sigalgs(bio
, s
);
2087 ssl_print_tmp_key(bio
, s
);
2090 "---\nSSL handshake has read %ld bytes and written %ld bytes\n",
2091 BIO_number_read(SSL_get_rbio(s
)),
2092 BIO_number_written(SSL_get_wbio(s
)));
2094 BIO_printf(bio
, (SSL_cache_hit(s
) ? "---\nReused, " : "---\nNew, "));
2095 c
= SSL_get_current_cipher(s
);
2096 BIO_printf(bio
, "%s, Cipher is %s\n",
2097 SSL_CIPHER_get_version(c
), SSL_CIPHER_get_name(c
));
2100 pktmp
= X509_get_pubkey(peer
);
2101 BIO_printf(bio
, "Server public key is %d bit\n",
2102 EVP_PKEY_bits(pktmp
));
2103 EVP_PKEY_free(pktmp
);
2105 BIO_printf(bio
, "Secure Renegotiation IS%s supported\n",
2106 SSL_get_secure_renegotiation_support(s
) ? "" : " NOT");
2107 #ifndef OPENSSL_NO_COMP
2108 comp
= SSL_get_current_compression(s
);
2109 expansion
= SSL_get_current_expansion(s
);
2110 BIO_printf(bio
, "Compression: %s\n",
2111 comp
? SSL_COMP_get_name(comp
) : "NONE");
2112 BIO_printf(bio
, "Expansion: %s\n",
2113 expansion
? SSL_COMP_get_name(expansion
) : "NONE");
2118 /* Print out local port of connection: useful for debugging */
2120 struct sockaddr_in ladd
;
2121 socklen_t ladd_size
= sizeof(ladd
);
2122 sock
= SSL_get_fd(s
);
2123 getsockname(sock
, (struct sockaddr
*)&ladd
, &ladd_size
);
2124 BIO_printf(bio_c_out
, "LOCAL PORT is %u\n", ntohs(ladd
.sin_port
));
2128 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2129 if (next_proto
.status
!= -1) {
2130 const unsigned char *proto
;
2131 unsigned int proto_len
;
2132 SSL_get0_next_proto_negotiated(s
, &proto
, &proto_len
);
2133 BIO_printf(bio
, "Next protocol: (%d) ", next_proto
.status
);
2134 BIO_write(bio
, proto
, proto_len
);
2135 BIO_write(bio
, "\n", 1);
2139 const unsigned char *proto
;
2140 unsigned int proto_len
;
2141 SSL_get0_alpn_selected(s
, &proto
, &proto_len
);
2142 if (proto_len
> 0) {
2143 BIO_printf(bio
, "ALPN protocol: ");
2144 BIO_write(bio
, proto
, proto_len
);
2145 BIO_write(bio
, "\n", 1);
2147 BIO_printf(bio
, "No ALPN negotiated\n");
2150 #ifndef OPENSSL_NO_SRTP
2152 SRTP_PROTECTION_PROFILE
*srtp_profile
=
2153 SSL_get_selected_srtp_profile(s
);
2156 BIO_printf(bio
, "SRTP Extension negotiated, profile=%s\n",
2157 srtp_profile
->name
);
2161 SSL_SESSION_print(bio
, SSL_get_session(s
));
2162 if (keymatexportlabel
!= NULL
) {
2163 BIO_printf(bio
, "Keying material exporter:\n");
2164 BIO_printf(bio
, " Label: '%s'\n", keymatexportlabel
);
2165 BIO_printf(bio
, " Length: %i bytes\n", keymatexportlen
);
2166 exportedkeymat
= app_malloc(keymatexportlen
, "export key");
2167 if (!SSL_export_keying_material(s
, exportedkeymat
,
2170 strlen(keymatexportlabel
),
2172 BIO_printf(bio
, " Error\n");
2174 BIO_printf(bio
, " Keying material: ");
2175 for (i
= 0; i
< keymatexportlen
; i
++)
2176 BIO_printf(bio
, "%02X", exportedkeymat
[i
]);
2177 BIO_printf(bio
, "\n");
2179 OPENSSL_free(exportedkeymat
);
2181 BIO_printf(bio
, "---\n");
2183 /* flush, or debugging output gets mixed with http response */
2184 (void)BIO_flush(bio
);
2187 static int ocsp_resp_cb(SSL
*s
, void *arg
)
2189 const unsigned char *p
;
2192 len
= SSL_get_tlsext_status_ocsp_resp(s
, &p
);
2193 BIO_puts(arg
, "OCSP response: ");
2195 BIO_puts(arg
, "no response sent\n");
2198 rsp
= d2i_OCSP_RESPONSE(NULL
, &p
, len
);
2200 BIO_puts(arg
, "response parse error\n");
2201 BIO_dump_indent(arg
, (char *)p
, len
, 4);
2204 BIO_puts(arg
, "\n======================================\n");
2205 OCSP_RESPONSE_print(arg
, rsp
, 0);
2206 BIO_puts(arg
, "======================================\n");
2207 OCSP_RESPONSE_free(rsp
);