2 * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the OpenSSL license (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
10 /* ====================================================================
11 * Copyright 2005 Nokia. All rights reserved.
13 * The portions of the attached software ("Contribution") is developed by
14 * Nokia Corporation and is licensed pursuant to the OpenSSL open source
17 * The Contribution, originally written by Mika Kousa and Pasi Eronen of
18 * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
19 * support (see RFC 4279) to OpenSSL.
21 * No patent licenses or other rights except those expressly stated in
22 * the OpenSSL open source license shall be deemed granted or received
23 * expressly, by implication, estoppel, or otherwise.
25 * No assurances are provided by Nokia that the Contribution does not
26 * infringe the patent or other intellectual property rights of any third
27 * party or that the license provides you with all the necessary rights
28 * to make use of the Contribution.
30 * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
31 * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
32 * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
33 * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
42 #include <openssl/e_os2.h>
44 #ifndef OPENSSL_NO_SOCK
47 * With IPv6, it looks like Digital has mixed up the proper order of
48 * recursive header file inclusion, resulting in the compiler complaining
49 * that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which is
50 * needed to have fileno() declared correctly... So let's define u_int
52 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
54 typedef unsigned int u_int
;
59 #include <openssl/x509.h>
60 #include <openssl/ssl.h>
61 #include <openssl/err.h>
62 #include <openssl/pem.h>
63 #include <openssl/rand.h>
64 #include <openssl/ocsp.h>
65 #include <openssl/bn.h>
66 #include <openssl/async.h>
67 #ifndef OPENSSL_NO_SRP
68 # include <openssl/srp.h>
71 # include <openssl/ct.h>
76 #if defined(__has_feature)
77 # if __has_feature(memory_sanitizer)
78 # include <sanitizer/msan_interface.h>
83 #define BUFSIZZ 1024*8
84 #define S_CLIENT_IRC_READ_TIMEOUT 8
86 extern int verify_depth
;
87 extern int verify_error
;
88 extern int verify_return_error
;
89 extern int verify_quiet
;
92 static int c_nbio
= 0;
93 static int c_tlsextdebug
= 0;
94 static int c_status_req
= 0;
95 static int c_debug
= 0;
97 static int c_showcerts
= 0;
98 static char *keymatexportlabel
= NULL
;
99 static int keymatexportlen
= 20;
100 static BIO
*bio_c_out
= NULL
;
101 static BIO
*bio_c_msg
= NULL
;
102 static int c_quiet
= 0;
103 static int c_ign_eof
= 0;
104 static int c_brief
= 0;
106 static void print_stuff(BIO
*berr
, SSL
*con
, int full
);
107 #ifndef OPENSSL_NO_OCSP
108 static int ocsp_resp_cb(SSL
*s
, void *arg
);
111 static int saved_errno
;
113 static void save_errno(void)
119 static int restore_errno(void)
126 static void do_ssl_shutdown(SSL
*ssl
)
131 /* We only do unidirectional shutdown */
132 ret
= SSL_shutdown(ssl
);
134 switch (SSL_get_error(ssl
, ret
)) {
135 case SSL_ERROR_WANT_READ
:
136 case SSL_ERROR_WANT_WRITE
:
137 case SSL_ERROR_WANT_ASYNC
:
138 case SSL_ERROR_WANT_ASYNC_JOB
:
139 /* We just do busy waiting. Nothing clever */
148 #ifndef OPENSSL_NO_PSK
149 /* Default PSK identity and key */
150 static char *psk_identity
= "Client_identity";
152 * char *psk_key=NULL; by default PSK is not used
155 static unsigned int psk_client_cb(SSL
*ssl
, const char *hint
, char *identity
,
156 unsigned int max_identity_len
,
158 unsigned int max_psk_len
)
165 BIO_printf(bio_c_out
, "psk_client_cb\n");
167 /* no ServerKeyExchange message */
169 BIO_printf(bio_c_out
,
170 "NULL received PSK identity hint, continuing anyway\n");
172 BIO_printf(bio_c_out
, "Received PSK identity hint '%s'\n", hint
);
175 * lookup PSK identity and PSK key based on the given identity hint here
177 ret
= BIO_snprintf(identity
, max_identity_len
, "%s", psk_identity
);
178 if (ret
< 0 || (unsigned int)ret
> max_identity_len
)
181 BIO_printf(bio_c_out
, "created identity '%s' len=%d\n", identity
,
184 /* convert the PSK key to binary */
185 key
= OPENSSL_hexstr2buf(psk_key
, &key_len
);
187 BIO_printf(bio_err
, "Could not convert PSK key '%s' to buffer\n",
191 if (key_len
> max_psk_len
) {
193 "psk buffer of callback is too small (%d) for key (%ld)\n",
194 max_psk_len
, key_len
);
199 memcpy(psk
, key
, key_len
);
203 BIO_printf(bio_c_out
, "created PSK len=%ld\n", key_len
);
208 BIO_printf(bio_err
, "Error in PSK client callback\n");
213 /* This is a context that we pass to callbacks */
214 typedef struct tlsextctx_st
{
219 static int ssl_servername_cb(SSL
*s
, int *ad
, void *arg
)
221 tlsextctx
*p
= (tlsextctx
*) arg
;
222 const char *hn
= SSL_get_servername(s
, TLSEXT_NAMETYPE_host_name
);
223 if (SSL_get_servername_type(s
) != -1)
224 p
->ack
= !SSL_session_reused(s
) && hn
!= NULL
;
226 BIO_printf(bio_err
, "Can't use SSL_get_servername\n");
228 return SSL_TLSEXT_ERR_OK
;
231 #ifndef OPENSSL_NO_SRP
233 /* This is a context that we pass to all callbacks */
234 typedef struct srp_arg_st
{
237 int msg
; /* copy from c_msg */
238 int debug
; /* copy from c_debug */
239 int amp
; /* allow more groups */
240 int strength
; /* minimal size for N */
243 # define SRP_NUMBER_ITERATIONS_FOR_PRIME 64
245 static int srp_Verify_N_and_g(const BIGNUM
*N
, const BIGNUM
*g
)
247 BN_CTX
*bn_ctx
= BN_CTX_new();
248 BIGNUM
*p
= BN_new();
249 BIGNUM
*r
= BN_new();
251 g
!= NULL
&& N
!= NULL
&& bn_ctx
!= NULL
&& BN_is_odd(N
) &&
252 BN_is_prime_ex(N
, SRP_NUMBER_ITERATIONS_FOR_PRIME
, bn_ctx
, NULL
) == 1 &&
253 p
!= NULL
&& BN_rshift1(p
, N
) &&
255 BN_is_prime_ex(p
, SRP_NUMBER_ITERATIONS_FOR_PRIME
, bn_ctx
, NULL
) == 1 &&
257 /* verify g^((N-1)/2) == -1 (mod N) */
258 BN_mod_exp(r
, g
, p
, N
, bn_ctx
) &&
259 BN_add_word(r
, 1) && BN_cmp(r
, N
) == 0;
268 * This callback is used here for two purposes:
269 * - extended debugging
270 * - making some primality tests for unknown groups
271 * The callback is only called for a non default group.
273 * An application does not need the call back at all if
274 * only the standard groups are used. In real life situations,
275 * client and server already share well known groups,
276 * thus there is no need to verify them.
277 * Furthermore, in case that a server actually proposes a group that
278 * is not one of those defined in RFC 5054, it is more appropriate
279 * to add the group to a static list and then compare since
280 * primality tests are rather cpu consuming.
283 static int ssl_srp_verify_param_cb(SSL
*s
, void *arg
)
285 SRP_ARG
*srp_arg
= (SRP_ARG
*)arg
;
286 BIGNUM
*N
= NULL
, *g
= NULL
;
288 if (((N
= SSL_get_srp_N(s
)) == NULL
) || ((g
= SSL_get_srp_g(s
)) == NULL
))
290 if (srp_arg
->debug
|| srp_arg
->msg
|| srp_arg
->amp
== 1) {
291 BIO_printf(bio_err
, "SRP parameters:\n");
292 BIO_printf(bio_err
, "\tN=");
293 BN_print(bio_err
, N
);
294 BIO_printf(bio_err
, "\n\tg=");
295 BN_print(bio_err
, g
);
296 BIO_printf(bio_err
, "\n");
299 if (SRP_check_known_gN_param(g
, N
))
302 if (srp_arg
->amp
== 1) {
305 "SRP param N and g are not known params, going to check deeper.\n");
308 * The srp_moregroups is a real debugging feature. Implementors
309 * should rather add the value to the known ones. The minimal size
310 * has already been tested.
312 if (BN_num_bits(g
) <= BN_BITS
&& srp_Verify_N_and_g(N
, g
))
315 BIO_printf(bio_err
, "SRP param N and g rejected.\n");
319 # define PWD_STRLEN 1024
321 static char *ssl_give_srp_client_pwd_cb(SSL
*s
, void *arg
)
323 SRP_ARG
*srp_arg
= (SRP_ARG
*)arg
;
324 char *pass
= app_malloc(PWD_STRLEN
+ 1, "SRP password buffer");
328 cb_tmp
.password
= (char *)srp_arg
->srppassin
;
329 cb_tmp
.prompt_info
= "SRP user";
330 if ((l
= password_callback(pass
, PWD_STRLEN
, 0, &cb_tmp
)) < 0) {
331 BIO_printf(bio_err
, "Can't read Password\n");
342 static char *srtp_profiles
= NULL
;
344 #ifndef OPENSSL_NO_NEXTPROTONEG
345 /* This the context that we pass to next_proto_cb */
346 typedef struct tlsextnextprotoctx_st
{
350 } tlsextnextprotoctx
;
352 static tlsextnextprotoctx next_proto
;
354 static int next_proto_cb(SSL
*s
, unsigned char **out
, unsigned char *outlen
,
355 const unsigned char *in
, unsigned int inlen
,
358 tlsextnextprotoctx
*ctx
= arg
;
361 /* We can assume that |in| is syntactically valid. */
363 BIO_printf(bio_c_out
, "Protocols advertised by server: ");
364 for (i
= 0; i
< inlen
;) {
366 BIO_write(bio_c_out
, ", ", 2);
367 BIO_write(bio_c_out
, &in
[i
+ 1], in
[i
]);
370 BIO_write(bio_c_out
, "\n", 1);
374 SSL_select_next_proto(out
, outlen
, in
, inlen
, ctx
->data
, ctx
->len
);
375 return SSL_TLSEXT_ERR_OK
;
377 #endif /* ndef OPENSSL_NO_NEXTPROTONEG */
379 static int serverinfo_cli_parse_cb(SSL
*s
, unsigned int ext_type
,
380 const unsigned char *in
, size_t inlen
,
384 unsigned char ext_buf
[4 + 65536];
386 /* Reconstruct the type/len fields prior to extension data */
387 ext_buf
[0] = ext_type
>> 8;
388 ext_buf
[1] = ext_type
& 0xFF;
389 ext_buf
[2] = inlen
>> 8;
390 ext_buf
[3] = inlen
& 0xFF;
391 memcpy(ext_buf
+ 4, in
, inlen
);
393 BIO_snprintf(pem_name
, sizeof(pem_name
), "SERVERINFO FOR EXTENSION %d",
395 PEM_write_bio(bio_c_out
, pem_name
, "", ext_buf
, 4 + inlen
);
400 * Hex decoder that tolerates optional whitespace. Returns number of bytes
401 * produced, advances inptr to end of input string.
403 static ossl_ssize_t
hexdecode(const char **inptr
, void *result
)
405 unsigned char **out
= (unsigned char **)result
;
406 const char *in
= *inptr
;
407 unsigned char *ret
= app_malloc(strlen(in
)/2, "hexdecode");
408 unsigned char *cp
= ret
;
415 for (byte
= 0; *in
; ++in
) {
418 if (isspace(_UC(*in
)))
420 x
= OPENSSL_hexchar2int(*in
);
426 if ((nibble
^= 1) == 0) {
439 return cp
- (*out
= ret
);
443 * Decode unsigned 0..255, returns 1 on success, <= 0 on failure. Advances
444 * inptr to next field skipping leading whitespace.
446 static ossl_ssize_t
checked_uint8(const char **inptr
, void *out
)
448 uint8_t *result
= (uint8_t *)out
;
449 const char *in
= *inptr
;
455 v
= strtol(in
, &endp
, 10);
458 if (((v
== LONG_MIN
|| v
== LONG_MAX
) && e
== ERANGE
) ||
459 endp
== in
|| !isspace(_UC(*endp
)) ||
460 v
!= (*result
= (uint8_t) v
)) {
463 for (in
= endp
; isspace(_UC(*in
)); ++in
)
473 ossl_ssize_t (*parser
)(const char **, void *);
476 static int tlsa_import_rr(SSL
*con
, const char *rrdata
)
478 /* Not necessary to re-init these values; the "parsers" do that. */
479 static uint8_t usage
;
480 static uint8_t selector
;
481 static uint8_t mtype
;
482 static unsigned char *data
;
483 static struct tlsa_field tlsa_fields
[] = {
484 { &usage
, "usage", checked_uint8
},
485 { &selector
, "selector", checked_uint8
},
486 { &mtype
, "mtype", checked_uint8
},
487 { &data
, "data", hexdecode
},
490 struct tlsa_field
*f
;
492 const char *cp
= rrdata
;
493 ossl_ssize_t len
= 0;
495 for (f
= tlsa_fields
; f
->var
; ++f
) {
496 /* Returns number of bytes produced, advances cp to next field */
497 if ((len
= f
->parser(&cp
, f
->var
)) <= 0) {
498 BIO_printf(bio_err
, "%s: warning: bad TLSA %s field in: %s\n",
499 prog
, f
->name
, rrdata
);
503 /* The data field is last, so len is its length */
504 ret
= SSL_dane_tlsa_add(con
, usage
, selector
, mtype
, data
, len
);
508 ERR_print_errors(bio_err
);
509 BIO_printf(bio_err
, "%s: warning: unusable TLSA rrdata: %s\n",
514 ERR_print_errors(bio_err
);
515 BIO_printf(bio_err
, "%s: warning: error loading TLSA rrdata: %s\n",
522 static int tlsa_import_rrset(SSL
*con
, STACK_OF(OPENSSL_STRING
) *rrset
)
524 int num
= sk_OPENSSL_STRING_num(rrset
);
528 for (i
= 0; i
< num
; ++i
) {
529 char *rrdata
= sk_OPENSSL_STRING_value(rrset
, i
);
530 if (tlsa_import_rr(con
, rrdata
) > 0)
536 typedef enum OPTION_choice
{
537 OPT_ERR
= -1, OPT_EOF
= 0, OPT_HELP
,
538 OPT_4
, OPT_6
, OPT_HOST
, OPT_PORT
, OPT_CONNECT
, OPT_UNIX
,
539 OPT_XMPPHOST
, OPT_VERIFY
,
540 OPT_CERT
, OPT_CRL
, OPT_CRL_DOWNLOAD
, OPT_SESS_OUT
, OPT_SESS_IN
,
541 OPT_CERTFORM
, OPT_CRLFORM
, OPT_VERIFY_RET_ERROR
, OPT_VERIFY_QUIET
,
542 OPT_BRIEF
, OPT_PREXIT
, OPT_CRLF
, OPT_QUIET
, OPT_NBIO
,
543 OPT_SSL_CLIENT_ENGINE
, OPT_RAND
, OPT_IGN_EOF
, OPT_NO_IGN_EOF
,
544 OPT_DEBUG
, OPT_TLSEXTDEBUG
, OPT_STATUS
, OPT_WDEBUG
,
545 OPT_MSG
, OPT_MSGFILE
, OPT_ENGINE
, OPT_TRACE
, OPT_SECURITY_DEBUG
,
546 OPT_SECURITY_DEBUG_VERBOSE
, OPT_SHOWCERTS
, OPT_NBIO_TEST
, OPT_STATE
,
547 #ifndef OPENSSL_NO_PSK
548 OPT_PSK_IDENTITY
, OPT_PSK
,
550 #ifndef OPENSSL_NO_SRP
551 OPT_SRPUSER
, OPT_SRPPASS
, OPT_SRP_STRENGTH
, OPT_SRP_LATEUSER
,
554 OPT_SSL3
, OPT_SSL_CONFIG
,
555 OPT_TLS1_2
, OPT_TLS1_1
, OPT_TLS1
, OPT_DTLS
, OPT_DTLS1
,
556 OPT_DTLS1_2
, OPT_TIMEOUT
, OPT_MTU
, OPT_KEYFORM
, OPT_PASS
,
557 OPT_CERT_CHAIN
, OPT_CAPATH
, OPT_NOCAPATH
, OPT_CHAINCAPATH
, OPT_VERIFYCAPATH
,
558 OPT_KEY
, OPT_RECONNECT
, OPT_BUILD_CHAIN
, OPT_CAFILE
, OPT_NOCAFILE
,
559 OPT_CHAINCAFILE
, OPT_VERIFYCAFILE
, OPT_NEXTPROTONEG
, OPT_ALPN
,
560 OPT_SERVERINFO
, OPT_STARTTLS
, OPT_SERVERNAME
,
561 OPT_USE_SRTP
, OPT_KEYMATEXPORT
, OPT_KEYMATEXPORTLEN
, OPT_SMTPHOST
,
562 OPT_ASYNC
, OPT_SPLIT_SEND_FRAG
, OPT_MAX_PIPELINES
, OPT_READ_BUF
,
566 OPT_FALLBACKSCSV
, OPT_NOCMDS
, OPT_PROXY
, OPT_DANE_TLSA_DOMAIN
,
567 #ifndef OPENSSL_NO_CT
568 OPT_CT
, OPT_NOCT
, OPT_CTLOG_FILE
,
573 OPTIONS s_client_options
[] = {
574 {"help", OPT_HELP
, '-', "Display this summary"},
575 {"host", OPT_HOST
, 's', "Use -connect instead"},
576 {"port", OPT_PORT
, 'p', "Use -connect instead"},
577 {"connect", OPT_CONNECT
, 's',
578 "TCP/IP where to connect (default is :" PORT
")"},
579 {"proxy", OPT_PROXY
, 's',
580 "Connect to via specified proxy to the real server"},
582 {"unix", OPT_UNIX
, 's', "Connect over unix domain sockets"},
584 {"4", OPT_4
, '-', "Use IPv4 only"},
586 {"6", OPT_6
, '-', "Use IPv6 only"},
588 {"verify", OPT_VERIFY
, 'p', "Turn on peer certificate verification"},
589 {"cert", OPT_CERT
, '<', "Certificate file to use, PEM format assumed"},
590 {"certform", OPT_CERTFORM
, 'F',
591 "Certificate format (PEM or DER) PEM default"},
592 {"key", OPT_KEY
, '<', "Private key file to use, if not in -cert file"},
593 {"keyform", OPT_KEYFORM
, 'F', "Key format (PEM or DER) PEM default"},
594 {"pass", OPT_PASS
, 's', "Private key file pass phrase source"},
595 {"CApath", OPT_CAPATH
, '/', "PEM format directory of CA's"},
596 {"CAfile", OPT_CAFILE
, '<', "PEM format file of CA's"},
597 {"no-CAfile", OPT_NOCAFILE
, '-',
598 "Do not load the default certificates file"},
599 {"no-CApath", OPT_NOCAPATH
, '-',
600 "Do not load certificates from the default certificates directory"},
601 {"dane_tlsa_domain", OPT_DANE_TLSA_DOMAIN
, 's', "DANE TLSA base domain"},
602 {"dane_tlsa_rrdata", OPT_DANE_TLSA_RRDATA
, 's',
603 "DANE TLSA rrdata presentation form"},
604 {"reconnect", OPT_RECONNECT
, '-',
605 "Drop and re-make the connection with the same Session-ID"},
606 {"showcerts", OPT_SHOWCERTS
, '-', "Show all certificates in the chain"},
607 {"debug", OPT_DEBUG
, '-', "Extra output"},
608 {"msg", OPT_MSG
, '-', "Show protocol messages"},
609 {"msgfile", OPT_MSGFILE
, '>',
610 "File to send output of -msg or -trace, instead of stdout"},
611 {"nbio_test", OPT_NBIO_TEST
, '-', "More ssl protocol testing"},
612 {"state", OPT_STATE
, '-', "Print the ssl states"},
613 {"crlf", OPT_CRLF
, '-', "Convert LF from terminal into CRLF"},
614 {"quiet", OPT_QUIET
, '-', "No s_client output"},
615 {"ign_eof", OPT_IGN_EOF
, '-', "Ignore input eof (default when -quiet)"},
616 {"no_ign_eof", OPT_NO_IGN_EOF
, '-', "Don't ignore input eof"},
617 {"starttls", OPT_STARTTLS
, 's',
618 "Use the appropriate STARTTLS command before starting TLS"},
619 {"xmpphost", OPT_XMPPHOST
, 's',
620 "Host to use with \"-starttls xmpp[-server]\""},
621 {"rand", OPT_RAND
, 's',
622 "Load the file(s) into the random number generator"},
623 {"sess_out", OPT_SESS_OUT
, '>', "File to write SSL session to"},
624 {"sess_in", OPT_SESS_IN
, '<', "File to read SSL session from"},
625 {"use_srtp", OPT_USE_SRTP
, 's',
626 "Offer SRTP key management with a colon-separated profile list"},
627 {"keymatexport", OPT_KEYMATEXPORT
, 's',
628 "Export keying material using label"},
629 {"keymatexportlen", OPT_KEYMATEXPORTLEN
, 'p',
630 "Export len bytes of keying material (default 20)"},
631 {"fallback_scsv", OPT_FALLBACKSCSV
, '-', "Send the fallback SCSV"},
632 {"name", OPT_SMTPHOST
, 's', "Hostname to use for \"-starttls smtp\""},
633 {"CRL", OPT_CRL
, '<', "CRL file to use"},
634 {"crl_download", OPT_CRL_DOWNLOAD
, '-', "Download CRL from distribution points"},
635 {"CRLform", OPT_CRLFORM
, 'F', "CRL format (PEM or DER) PEM is default"},
636 {"verify_return_error", OPT_VERIFY_RET_ERROR
, '-',
637 "Close connection on verification error"},
638 {"verify_quiet", OPT_VERIFY_QUIET
, '-', "Restrict verify output to errors"},
639 {"brief", OPT_BRIEF
, '-',
640 "Restrict output to brief summary of connection parameters"},
641 {"prexit", OPT_PREXIT
, '-',
642 "Print session information when the program exits"},
643 {"security_debug", OPT_SECURITY_DEBUG
, '-',
644 "Enable security debug messages"},
645 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE
, '-',
646 "Output more security debug output"},
647 {"cert_chain", OPT_CERT_CHAIN
, '<',
648 "Certificate chain file (in PEM format)"},
649 {"chainCApath", OPT_CHAINCAPATH
, '/',
650 "Use dir as certificate store path to build CA certificate chain"},
651 {"verifyCApath", OPT_VERIFYCAPATH
, '/',
652 "Use dir as certificate store path to verify CA certificate"},
653 {"build_chain", OPT_BUILD_CHAIN
, '-', "Build certificate chain"},
654 {"chainCAfile", OPT_CHAINCAFILE
, '<',
655 "CA file for certificate chain (PEM format)"},
656 {"verifyCAfile", OPT_VERIFYCAFILE
, '<',
657 "CA file for certificate verification (PEM format)"},
658 {"nocommands", OPT_NOCMDS
, '-', "Do not use interactive command letters"},
659 {"servername", OPT_SERVERNAME
, 's',
660 "Set TLS extension servername in ClientHello"},
661 {"tlsextdebug", OPT_TLSEXTDEBUG
, '-',
662 "Hex dump of all TLS extensions received"},
663 #ifndef OPENSSL_NO_OCSP
664 {"status", OPT_STATUS
, '-', "Request certificate status from server"},
666 {"serverinfo", OPT_SERVERINFO
, 's',
667 "types Send empty ClientHello extensions (comma-separated numbers)"},
668 {"alpn", OPT_ALPN
, 's',
669 "Enable ALPN extension, considering named protocols supported (comma-separated list)"},
670 {"async", OPT_ASYNC
, '-', "Support asynchronous operation"},
671 {"ssl_config", OPT_SSL_CONFIG
, 's', "Use specified configuration file"},
672 {"split_send_frag", OPT_SPLIT_SEND_FRAG
, 'n',
673 "Size used to split data for encrypt pipelines"},
674 {"max_pipelines", OPT_MAX_PIPELINES
, 'n',
675 "Maximum number of encrypt/decrypt pipelines to be used"},
676 {"read_buf", OPT_READ_BUF
, 'n',
677 "Default read buffer size to be used for connections"},
681 #ifndef OPENSSL_NO_SSL3
682 {"ssl3", OPT_SSL3
, '-', "Just use SSLv3"},
684 #ifndef OPENSSL_NO_TLS1
685 {"tls1", OPT_TLS1
, '-', "Just use TLSv1"},
687 #ifndef OPENSSL_NO_TLS1_1
688 {"tls1_1", OPT_TLS1_1
, '-', "Just use TLSv1.1"},
690 #ifndef OPENSSL_NO_TLS1_2
691 {"tls1_2", OPT_TLS1_2
, '-', "Just use TLSv1.2"},
693 #ifndef OPENSSL_NO_DTLS
694 {"dtls", OPT_DTLS
, '-', "Use any version of DTLS"},
695 {"timeout", OPT_TIMEOUT
, '-',
696 "Enable send/receive timeout on DTLS connections"},
697 {"mtu", OPT_MTU
, 'p', "Set the link layer MTU"},
699 #ifndef OPENSSL_NO_DTLS1
700 {"dtls1", OPT_DTLS1
, '-', "Just use DTLSv1"},
702 #ifndef OPENSSL_NO_DTLS1_2
703 {"dtls1_2", OPT_DTLS1_2
, '-', "Just use DTLSv1.2"},
705 #ifndef OPENSSL_NO_SSL_TRACE
706 {"trace", OPT_TRACE
, '-', "Show trace output of protocol messages"},
709 {"wdebug", OPT_WDEBUG
, '-', "WATT-32 tcp debugging"},
711 {"nbio", OPT_NBIO
, '-', "Use non-blocking IO"},
712 #ifndef OPENSSL_NO_PSK
713 {"psk_identity", OPT_PSK_IDENTITY
, 's', "PSK identity"},
714 {"psk", OPT_PSK
, 's', "PSK in hex (without 0x)"},
716 #ifndef OPENSSL_NO_SRP
717 {"srpuser", OPT_SRPUSER
, 's', "SRP authentication for 'user'"},
718 {"srppass", OPT_SRPPASS
, 's', "Password for 'user'"},
719 {"srp_lateuser", OPT_SRP_LATEUSER
, '-',
720 "SRP username into second ClientHello message"},
721 {"srp_moregroups", OPT_SRP_MOREGROUPS
, '-',
722 "Tolerate other than the known g N values."},
723 {"srp_strength", OPT_SRP_STRENGTH
, 'p', "Minimal length in bits for N"},
725 #ifndef OPENSSL_NO_NEXTPROTONEG
726 {"nextprotoneg", OPT_NEXTPROTONEG
, 's',
727 "Enable NPN extension, considering named protocols supported (comma-separated list)"},
729 #ifndef OPENSSL_NO_ENGINE
730 {"engine", OPT_ENGINE
, 's', "Use engine, possibly a hardware device"},
731 {"ssl_client_engine", OPT_SSL_CLIENT_ENGINE
, 's',
732 "Specify engine to be used for client certificate operations"},
734 #ifndef OPENSSL_NO_CT
735 {"ct", OPT_CT
, '-', "Request and parse SCTs (also enables OCSP stapling)"},
736 {"noct", OPT_NOCT
, '-', "Do not request or parse SCTs (default)"},
737 {"ctlogfile", OPT_CTLOG_FILE
, '<', "CT log list CONF file"},
739 {NULL
, OPT_EOF
, 0x00, NULL
}
742 typedef enum PROTOCOL_choice
{
755 static const OPT_PAIR services
[] = {
756 {"smtp", PROTO_SMTP
},
757 {"pop3", PROTO_POP3
},
758 {"imap", PROTO_IMAP
},
760 {"xmpp", PROTO_XMPP
},
761 {"xmpp-server", PROTO_XMPP_SERVER
},
762 {"telnet", PROTO_TELNET
},
767 #define IS_INET_FLAG(o) \
768 (o == OPT_4 || o == OPT_6 || o == OPT_HOST || o == OPT_PORT || o == OPT_CONNECT)
769 #define IS_UNIX_FLAG(o) (o == OPT_UNIX)
771 /* Free |*dest| and optionally set it to a copy of |source|. */
772 static void freeandcopy(char **dest
, const char *source
)
777 *dest
= OPENSSL_strdup(source
);
780 int s_client_main(int argc
, char **argv
)
783 EVP_PKEY
*key
= NULL
;
786 STACK_OF(X509
) *chain
= NULL
;
788 X509_VERIFY_PARAM
*vpm
= NULL
;
789 SSL_EXCERT
*exc
= NULL
;
790 SSL_CONF_CTX
*cctx
= NULL
;
791 STACK_OF(OPENSSL_STRING
) *ssl_args
= NULL
;
792 char *dane_tlsa_domain
= NULL
;
793 STACK_OF(OPENSSL_STRING
) *dane_tlsa_rrset
= NULL
;
794 STACK_OF(X509_CRL
) *crls
= NULL
;
795 const SSL_METHOD
*meth
= TLS_client_method();
796 char *CApath
= NULL
, *CAfile
= NULL
, *cbuf
= NULL
, *sbuf
= NULL
;
797 char *mbuf
= NULL
, *proxystr
= NULL
, *connectstr
= NULL
;
798 char *cert_file
= NULL
, *key_file
= NULL
, *chain_file
= NULL
;
799 char *chCApath
= NULL
, *chCAfile
= NULL
, *host
= NULL
;
800 char *port
= OPENSSL_strdup(PORT
);
802 char *passarg
= NULL
, *pass
= NULL
, *vfyCApath
= NULL
, *vfyCAfile
= NULL
;
803 char *sess_in
= NULL
, *sess_out
= NULL
, *crl_file
= NULL
, *p
;
804 char *xmpphost
= NULL
;
805 const char *ehlo
= "mail.example.com";
806 struct timeval timeout
, *timeoutp
;
807 fd_set readfds
, writefds
;
808 int noCApath
= 0, noCAfile
= 0;
809 int build_chain
= 0, cbuf_len
, cbuf_off
, cert_format
= FORMAT_PEM
;
810 int key_format
= FORMAT_PEM
, crlf
= 0, full_log
= 1, mbuf_len
= 0;
813 int reconnect
= 0, verify
= SSL_VERIFY_NONE
, vpmtouched
= 0;
814 int ret
= 1, in_init
= 1, i
, nbio_test
= 0, s
= -1, k
, width
, state
= 0;
815 int sbuf_len
, sbuf_off
, cmdletters
= 1;
816 int socket_family
= AF_UNSPEC
, socket_type
= SOCK_STREAM
;
817 int starttls_proto
= PROTO_OFF
, crl_format
= FORMAT_PEM
, crl_download
= 0;
818 int write_tty
, read_tty
, write_ssl
, read_ssl
, tty_on
, ssl_pending
;
820 int read_buf_len
= 0;
821 int fallback_scsv
= 0;
824 #ifndef OPENSSL_NO_DTLS
825 int enable_timeouts
= 0;
828 #ifndef OPENSSL_NO_ENGINE
829 ENGINE
*ssl_client_engine
= NULL
;
832 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
835 char *servername
= NULL
;
836 const char *alpn_in
= NULL
;
837 tlsextctx tlsextcbp
= { NULL
, 0 };
838 const char *ssl_config
= NULL
;
839 #define MAX_SI_TYPES 100
840 unsigned short serverinfo_types
[MAX_SI_TYPES
];
841 int serverinfo_count
= 0, start
= 0, len
;
842 #ifndef OPENSSL_NO_NEXTPROTONEG
843 const char *next_proto_neg_in
= NULL
;
845 #ifndef OPENSSL_NO_SRP
846 char *srppass
= NULL
;
847 int srp_lateuser
= 0;
848 SRP_ARG srp_arg
= { NULL
, NULL
, 0, 0, 0, 1024 };
850 #ifndef OPENSSL_NO_CT
851 char *ctlog_file
= NULL
;
852 int ct_validation
= 0;
854 int min_version
= 0, max_version
= 0;
856 unsigned int split_send_fragment
= 0;
857 unsigned int max_pipelines
= 0;
858 enum { use_inet
, use_unix
, use_unknown
} connect_type
= use_unknown
;
863 /* Known false-positive of MemorySanitizer. */
864 #if defined(__has_feature)
865 # if __has_feature(memory_sanitizer)
866 __msan_unpoison(&readfds
, sizeof(readfds
));
867 __msan_unpoison(&writefds
, sizeof(writefds
));
871 prog
= opt_progname(argv
[0]);
879 verify_error
= X509_V_OK
;
880 vpm
= X509_VERIFY_PARAM_new();
881 cbuf
= app_malloc(BUFSIZZ
, "cbuf");
882 sbuf
= app_malloc(BUFSIZZ
, "sbuf");
883 mbuf
= app_malloc(BUFSIZZ
, "mbuf");
884 cctx
= SSL_CONF_CTX_new();
886 if (vpm
== NULL
|| cctx
== NULL
) {
887 BIO_printf(bio_err
, "%s: out of memory\n", prog
);
891 SSL_CONF_CTX_set_flags(cctx
, SSL_CONF_FLAG_CLIENT
| SSL_CONF_FLAG_CMDLINE
);
893 prog
= opt_init(argc
, argv
, s_client_options
);
894 while ((o
= opt_next()) != OPT_EOF
) {
895 /* Check for intermixing flags. */
896 if (connect_type
== use_unix
&& IS_INET_FLAG(o
)) {
898 "%s: Intermixed protocol flags (unix and internet domains)\n",
902 if (connect_type
== use_inet
&& IS_UNIX_FLAG(o
)) {
904 "%s: Intermixed protocol flags (internet and unix domains)\n",
912 BIO_printf(bio_err
, "%s: Use -help for summary.\n", prog
);
915 opt_help(s_client_options
);
919 connect_type
= use_inet
;
920 socket_family
= AF_INET
;
925 connect_type
= use_inet
;
926 socket_family
= AF_INET6
;
931 connect_type
= use_inet
;
932 freeandcopy(&host
, opt_arg());
935 connect_type
= use_inet
;
936 freeandcopy(&port
, opt_arg());
939 connect_type
= use_inet
;
940 freeandcopy(&connectstr
, opt_arg());
943 proxystr
= opt_arg();
944 starttls_proto
= PROTO_CONNECT
;
948 connect_type
= use_unix
;
949 socket_family
= AF_UNIX
;
950 freeandcopy(&host
, opt_arg());
954 xmpphost
= opt_arg();
960 verify
= SSL_VERIFY_PEER
;
961 verify_depth
= atoi(opt_arg());
963 BIO_printf(bio_err
, "verify depth is %d\n", verify_depth
);
966 cert_file
= opt_arg();
969 crl_file
= opt_arg();
971 case OPT_CRL_DOWNLOAD
:
975 sess_out
= opt_arg();
981 if (!opt_format(opt_arg(), OPT_FMT_PEMDER
, &cert_format
))
985 if (!opt_format(opt_arg(), OPT_FMT_PEMDER
, &crl_format
))
988 case OPT_VERIFY_RET_ERROR
:
989 verify_return_error
= 1;
991 case OPT_VERIFY_QUIET
:
995 c_brief
= verify_quiet
= c_quiet
= 1;
998 if (ssl_args
== NULL
)
999 ssl_args
= sk_OPENSSL_STRING_new_null();
1000 if (ssl_args
== NULL
1001 || !sk_OPENSSL_STRING_push(ssl_args
, opt_flag())
1002 || !sk_OPENSSL_STRING_push(ssl_args
, opt_arg())) {
1003 BIO_printf(bio_err
, "%s: Memory allocation failure\n", prog
);
1008 if (!opt_verify(o
, vpm
))
1013 if (!args_excert(o
, &exc
))
1023 c_quiet
= c_ign_eof
= 1;
1032 e
= setup_engine(opt_arg(), 1);
1034 case OPT_SSL_CLIENT_ENGINE
:
1035 #ifndef OPENSSL_NO_ENGINE
1036 ssl_client_engine
= ENGINE_by_id(opt_arg());
1037 if (ssl_client_engine
== NULL
) {
1038 BIO_printf(bio_err
, "Error getting client auth engine\n");
1049 case OPT_NO_IGN_EOF
:
1055 case OPT_TLSEXTDEBUG
:
1070 bio_c_msg
= BIO_new_file(opt_arg(), "w");
1073 #ifndef OPENSSL_NO_SSL_TRACE
1077 case OPT_SECURITY_DEBUG
:
1080 case OPT_SECURITY_DEBUG_VERBOSE
:
1092 #ifndef OPENSSL_NO_PSK
1093 case OPT_PSK_IDENTITY
:
1094 psk_identity
= opt_arg();
1097 for (p
= psk_key
= opt_arg(); *p
; p
++) {
1098 if (isxdigit(_UC(*p
)))
1100 BIO_printf(bio_err
, "Not a hex number '%s'\n", psk_key
);
1105 #ifndef OPENSSL_NO_SRP
1107 srp_arg
.srplogin
= opt_arg();
1108 if (min_version
< TLS1_VERSION
)
1109 min_version
= TLS1_VERSION
;
1112 srppass
= opt_arg();
1113 if (min_version
< TLS1_VERSION
)
1114 min_version
= TLS1_VERSION
;
1116 case OPT_SRP_STRENGTH
:
1117 srp_arg
.strength
= atoi(opt_arg());
1118 BIO_printf(bio_err
, "SRP minimal length for N is %d\n",
1120 if (min_version
< TLS1_VERSION
)
1121 min_version
= TLS1_VERSION
;
1123 case OPT_SRP_LATEUSER
:
1125 if (min_version
< TLS1_VERSION
)
1126 min_version
= TLS1_VERSION
;
1128 case OPT_SRP_MOREGROUPS
:
1130 if (min_version
< TLS1_VERSION
)
1131 min_version
= TLS1_VERSION
;
1134 case OPT_SSL_CONFIG
:
1135 ssl_config
= opt_arg();
1138 min_version
= SSL3_VERSION
;
1139 max_version
= SSL3_VERSION
;
1142 min_version
= TLS1_2_VERSION
;
1143 max_version
= TLS1_2_VERSION
;
1146 min_version
= TLS1_1_VERSION
;
1147 max_version
= TLS1_1_VERSION
;
1150 min_version
= TLS1_VERSION
;
1151 max_version
= TLS1_VERSION
;
1154 #ifndef OPENSSL_NO_DTLS
1155 meth
= DTLS_client_method();
1156 socket_type
= SOCK_DGRAM
;
1160 #ifndef OPENSSL_NO_DTLS1
1161 meth
= DTLS_client_method();
1162 min_version
= DTLS1_VERSION
;
1163 max_version
= DTLS1_VERSION
;
1164 socket_type
= SOCK_DGRAM
;
1168 #ifndef OPENSSL_NO_DTLS1_2
1169 meth
= DTLS_client_method();
1170 min_version
= DTLS1_2_VERSION
;
1171 max_version
= DTLS1_2_VERSION
;
1172 socket_type
= SOCK_DGRAM
;
1176 #ifndef OPENSSL_NO_DTLS
1177 enable_timeouts
= 1;
1181 #ifndef OPENSSL_NO_DTLS
1182 socket_mtu
= atol(opt_arg());
1185 case OPT_FALLBACKSCSV
:
1189 if (!opt_format(opt_arg(), OPT_FMT_PEMDER
, &key_format
))
1193 passarg
= opt_arg();
1195 case OPT_CERT_CHAIN
:
1196 chain_file
= opt_arg();
1199 key_file
= opt_arg();
1210 case OPT_CHAINCAPATH
:
1211 chCApath
= opt_arg();
1213 case OPT_VERIFYCAPATH
:
1214 vfyCApath
= opt_arg();
1216 case OPT_BUILD_CHAIN
:
1225 #ifndef OPENSSL_NO_CT
1232 case OPT_CTLOG_FILE
:
1233 ctlog_file
= opt_arg();
1236 case OPT_CHAINCAFILE
:
1237 chCAfile
= opt_arg();
1239 case OPT_VERIFYCAFILE
:
1240 vfyCAfile
= opt_arg();
1242 case OPT_DANE_TLSA_DOMAIN
:
1243 dane_tlsa_domain
= opt_arg();
1245 case OPT_DANE_TLSA_RRDATA
:
1246 if (dane_tlsa_rrset
== NULL
)
1247 dane_tlsa_rrset
= sk_OPENSSL_STRING_new_null();
1248 if (dane_tlsa_rrset
== NULL
||
1249 !sk_OPENSSL_STRING_push(dane_tlsa_rrset
, opt_arg())) {
1250 BIO_printf(bio_err
, "%s: Memory allocation failure\n", prog
);
1254 case OPT_NEXTPROTONEG
:
1255 #ifndef OPENSSL_NO_NEXTPROTONEG
1256 next_proto_neg_in
= opt_arg();
1260 alpn_in
= opt_arg();
1262 case OPT_SERVERINFO
:
1265 for (start
= 0, i
= 0; i
<= len
; ++i
) {
1266 if (i
== len
|| p
[i
] == ',') {
1267 serverinfo_types
[serverinfo_count
] = atoi(p
+ start
);
1268 if (++serverinfo_count
== MAX_SI_TYPES
)
1275 if (!opt_pair(opt_arg(), services
, &starttls_proto
))
1278 case OPT_SERVERNAME
:
1279 servername
= opt_arg();
1282 srtp_profiles
= opt_arg();
1284 case OPT_KEYMATEXPORT
:
1285 keymatexportlabel
= opt_arg();
1287 case OPT_KEYMATEXPORTLEN
:
1288 keymatexportlen
= atoi(opt_arg());
1293 case OPT_SPLIT_SEND_FRAG
:
1294 split_send_fragment
= atoi(opt_arg());
1295 if (split_send_fragment
== 0) {
1297 * Not allowed - set to a deliberately bad value so we get an
1298 * error message below
1300 split_send_fragment
= SSL3_RT_MAX_PLAIN_LENGTH
+ 1;
1303 case OPT_MAX_PIPELINES
:
1304 max_pipelines
= atoi(opt_arg());
1307 read_buf_len
= atoi(opt_arg());
1311 if (count4or6
>= 2) {
1312 BIO_printf(bio_err
, "%s: Can't use both -4 and -6\n", prog
);
1315 argc
= opt_num_rest();
1321 char *tmp_host
= host
, *tmp_port
= port
;
1322 if (connectstr
== NULL
) {
1323 BIO_printf(bio_err
, "%s: -proxy requires use of -connect\n", prog
);
1326 res
= BIO_parse_hostserv(proxystr
, &host
, &port
, BIO_PARSE_PRIO_HOST
);
1327 if (tmp_host
!= host
)
1328 OPENSSL_free(tmp_host
);
1329 if (tmp_port
!= port
)
1330 OPENSSL_free(tmp_port
);
1332 BIO_printf(bio_err
, "%s: -proxy argument malformed or ambiguous\n",
1338 char *tmp_host
= host
, *tmp_port
= port
;
1339 if (connectstr
!= NULL
)
1340 res
= BIO_parse_hostserv(connectstr
, &host
, &port
,
1341 BIO_PARSE_PRIO_HOST
);
1342 if (tmp_host
!= host
)
1343 OPENSSL_free(tmp_host
);
1344 if (tmp_port
!= port
)
1345 OPENSSL_free(tmp_port
);
1348 "%s: -connect argument malformed or ambiguous\n",
1354 if (socket_family
== AF_UNIX
&& socket_type
!= SOCK_STREAM
) {
1356 "Can't use unix sockets and datagrams together\n");
1360 if (split_send_fragment
> SSL3_RT_MAX_PLAIN_LENGTH
) {
1361 BIO_printf(bio_err
, "Bad split send fragment size\n");
1365 if (max_pipelines
> SSL_MAX_PIPELINES
) {
1366 BIO_printf(bio_err
, "Bad max pipelines value\n");
1370 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1371 next_proto
.status
= -1;
1372 if (next_proto_neg_in
) {
1374 next_protos_parse(&next_proto
.len
, next_proto_neg_in
);
1375 if (next_proto
.data
== NULL
) {
1376 BIO_printf(bio_err
, "Error parsing -nextprotoneg argument\n");
1380 next_proto
.data
= NULL
;
1383 if (!app_passwd(passarg
, NULL
, &pass
, NULL
)) {
1384 BIO_printf(bio_err
, "Error getting password\n");
1388 if (key_file
== NULL
)
1389 key_file
= cert_file
;
1392 key
= load_key(key_file
, key_format
, 0, pass
, e
,
1393 "client certificate private key file");
1395 ERR_print_errors(bio_err
);
1401 cert
= load_cert(cert_file
, cert_format
, "client certificate file");
1403 ERR_print_errors(bio_err
);
1409 if (!load_certs(chain_file
, &chain
, FORMAT_PEM
, NULL
,
1410 "client certificate chain"))
1416 crl
= load_crl(crl_file
, crl_format
);
1418 BIO_puts(bio_err
, "Error loading CRL\n");
1419 ERR_print_errors(bio_err
);
1422 crls
= sk_X509_CRL_new_null();
1423 if (crls
== NULL
|| !sk_X509_CRL_push(crls
, crl
)) {
1424 BIO_puts(bio_err
, "Error adding CRL\n");
1425 ERR_print_errors(bio_err
);
1431 if (!load_excert(&exc
))
1434 if (!app_RAND_load_file(NULL
, 1) && inrand
== NULL
1435 && !RAND_status()) {
1437 "warning, not much extra random data, consider using the -rand option\n");
1439 if (inrand
!= NULL
) {
1440 randamt
= app_RAND_load_files(inrand
);
1441 BIO_printf(bio_err
, "%ld semi-random bytes loaded\n", randamt
);
1444 if (bio_c_out
== NULL
) {
1445 if (c_quiet
&& !c_debug
) {
1446 bio_c_out
= BIO_new(BIO_s_null());
1447 if (c_msg
&& !bio_c_msg
)
1448 bio_c_msg
= dup_bio_out(FORMAT_TEXT
);
1449 } else if (bio_c_out
== NULL
)
1450 bio_c_out
= dup_bio_out(FORMAT_TEXT
);
1452 #ifndef OPENSSL_NO_SRP
1453 if (!app_passwd(srppass
, NULL
, &srp_arg
.srppassin
, NULL
)) {
1454 BIO_printf(bio_err
, "Error getting password\n");
1459 ctx
= SSL_CTX_new(meth
);
1461 ERR_print_errors(bio_err
);
1466 ssl_ctx_security_debug(ctx
, sdebug
);
1469 if (SSL_CTX_config(ctx
, ssl_config
) == 0) {
1470 BIO_printf(bio_err
, "Error using configuration \"%s\"\n",
1472 ERR_print_errors(bio_err
);
1477 if (SSL_CTX_set_min_proto_version(ctx
, min_version
) == 0)
1479 if (SSL_CTX_set_max_proto_version(ctx
, max_version
) == 0)
1482 if (vpmtouched
&& !SSL_CTX_set1_param(ctx
, vpm
)) {
1483 BIO_printf(bio_err
, "Error setting verify params\n");
1484 ERR_print_errors(bio_err
);
1489 SSL_CTX_set_mode(ctx
, SSL_MODE_ASYNC
);
1491 if (split_send_fragment
> 0) {
1492 SSL_CTX_set_split_send_fragment(ctx
, split_send_fragment
);
1494 if (max_pipelines
> 0) {
1495 SSL_CTX_set_max_pipelines(ctx
, max_pipelines
);
1498 if (read_buf_len
> 0) {
1499 SSL_CTX_set_default_read_buffer_len(ctx
, read_buf_len
);
1502 if (!config_ctx(cctx
, ssl_args
, ctx
))
1505 if (!ssl_load_stores(ctx
, vfyCApath
, vfyCAfile
, chCApath
, chCAfile
,
1506 crls
, crl_download
)) {
1507 BIO_printf(bio_err
, "Error loading store locations\n");
1508 ERR_print_errors(bio_err
);
1511 #ifndef OPENSSL_NO_ENGINE
1512 if (ssl_client_engine
) {
1513 if (!SSL_CTX_set_client_cert_engine(ctx
, ssl_client_engine
)) {
1514 BIO_puts(bio_err
, "Error setting client auth engine\n");
1515 ERR_print_errors(bio_err
);
1516 ENGINE_free(ssl_client_engine
);
1519 ENGINE_free(ssl_client_engine
);
1523 #ifndef OPENSSL_NO_PSK
1524 if (psk_key
!= NULL
) {
1526 BIO_printf(bio_c_out
,
1527 "PSK key given, setting client callback\n");
1528 SSL_CTX_set_psk_client_callback(ctx
, psk_client_cb
);
1531 #ifndef OPENSSL_NO_SRTP
1532 if (srtp_profiles
!= NULL
) {
1533 /* Returns 0 on success! */
1534 if (SSL_CTX_set_tlsext_use_srtp(ctx
, srtp_profiles
) != 0) {
1535 BIO_printf(bio_err
, "Error setting SRTP profile\n");
1536 ERR_print_errors(bio_err
);
1543 ssl_ctx_set_excert(ctx
, exc
);
1545 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1546 if (next_proto
.data
)
1547 SSL_CTX_set_next_proto_select_cb(ctx
, next_proto_cb
, &next_proto
);
1551 unsigned char *alpn
= next_protos_parse(&alpn_len
, alpn_in
);
1554 BIO_printf(bio_err
, "Error parsing -alpn argument\n");
1557 /* Returns 0 on success! */
1558 if (SSL_CTX_set_alpn_protos(ctx
, alpn
, alpn_len
) != 0) {
1559 BIO_printf(bio_err
, "Error setting ALPN\n");
1565 for (i
= 0; i
< serverinfo_count
; i
++) {
1566 if (!SSL_CTX_add_client_custom_ext(ctx
,
1567 serverinfo_types
[i
],
1569 serverinfo_cli_parse_cb
, NULL
)) {
1571 "Warning: Unable to add custom extension %u, skipping\n",
1572 serverinfo_types
[i
]);
1577 SSL_CTX_set_info_callback(ctx
, apps_ssl_info_callback
);
1579 #ifndef OPENSSL_NO_CT
1580 /* Enable SCT processing, without early connection termination */
1581 if (ct_validation
&&
1582 !SSL_CTX_enable_ct(ctx
, SSL_CT_VALIDATION_PERMISSIVE
)) {
1583 ERR_print_errors(bio_err
);
1587 if (!ctx_set_ctlog_list_file(ctx
, ctlog_file
)) {
1588 if (ct_validation
) {
1589 ERR_print_errors(bio_err
);
1594 * If CT validation is not enabled, the log list isn't needed so don't
1595 * show errors or abort. We try to load it regardless because then we
1596 * can show the names of the logs any SCTs came from (SCTs may be seen
1597 * even with validation disabled).
1603 SSL_CTX_set_verify(ctx
, verify
, verify_callback
);
1605 if (!ctx_set_verify_locations(ctx
, CAfile
, CApath
, noCAfile
, noCApath
)) {
1606 ERR_print_errors(bio_err
);
1610 ssl_ctx_add_crls(ctx
, crls
, crl_download
);
1612 if (!set_cert_key_stuff(ctx
, cert
, key
, chain
, build_chain
))
1615 if (servername
!= NULL
) {
1616 tlsextcbp
.biodebug
= bio_err
;
1617 SSL_CTX_set_tlsext_servername_callback(ctx
, ssl_servername_cb
);
1618 SSL_CTX_set_tlsext_servername_arg(ctx
, &tlsextcbp
);
1620 # ifndef OPENSSL_NO_SRP
1621 if (srp_arg
.srplogin
) {
1622 if (!srp_lateuser
&& !SSL_CTX_set_srp_username(ctx
, srp_arg
.srplogin
)) {
1623 BIO_printf(bio_err
, "Unable to set SRP username\n");
1626 srp_arg
.msg
= c_msg
;
1627 srp_arg
.debug
= c_debug
;
1628 SSL_CTX_set_srp_cb_arg(ctx
, &srp_arg
);
1629 SSL_CTX_set_srp_client_pwd_callback(ctx
, ssl_give_srp_client_pwd_cb
);
1630 SSL_CTX_set_srp_strength(ctx
, srp_arg
.strength
);
1631 if (c_msg
|| c_debug
|| srp_arg
.amp
== 0)
1632 SSL_CTX_set_srp_verify_param_callback(ctx
,
1633 ssl_srp_verify_param_cb
);
1637 if (dane_tlsa_domain
!= NULL
) {
1638 if (SSL_CTX_dane_enable(ctx
) <= 0) {
1640 "%s: Error enabling DANE TLSA authentication.\n", prog
);
1641 ERR_print_errors(bio_err
);
1649 BIO
*stmp
= BIO_new_file(sess_in
, "r");
1651 BIO_printf(bio_err
, "Can't open session file %s\n", sess_in
);
1652 ERR_print_errors(bio_err
);
1655 sess
= PEM_read_bio_SSL_SESSION(stmp
, NULL
, 0, NULL
);
1658 BIO_printf(bio_err
, "Can't open session file %s\n", sess_in
);
1659 ERR_print_errors(bio_err
);
1662 if (!SSL_set_session(con
, sess
)) {
1663 BIO_printf(bio_err
, "Can't set session\n");
1664 ERR_print_errors(bio_err
);
1667 SSL_SESSION_free(sess
);
1671 SSL_set_mode(con
, SSL_MODE_SEND_FALLBACK_SCSV
);
1673 if (servername
!= NULL
) {
1674 if (!SSL_set_tlsext_host_name(con
, servername
)) {
1675 BIO_printf(bio_err
, "Unable to set TLS servername extension.\n");
1676 ERR_print_errors(bio_err
);
1681 if (dane_tlsa_domain
!= NULL
) {
1682 if (SSL_dane_enable(con
, dane_tlsa_domain
) <= 0) {
1683 BIO_printf(bio_err
, "%s: Error enabling DANE TLSA "
1684 "authentication.\n", prog
);
1685 ERR_print_errors(bio_err
);
1688 if (dane_tlsa_rrset
== NULL
) {
1689 BIO_printf(bio_err
, "%s: DANE TLSA authentication requires at "
1690 "least one -dane_tlsa_rrset option.\n", prog
);
1693 if (tlsa_import_rrset(con
, dane_tlsa_rrset
) <= 0) {
1694 BIO_printf(bio_err
, "%s: Failed to import any TLSA "
1695 "records.\n", prog
);
1698 } else if (dane_tlsa_rrset
!= NULL
) {
1699 BIO_printf(bio_err
, "%s: DANE TLSA authentication requires the "
1700 "-dane_tlsa_domain option.\n", prog
);
1705 if (init_client(&s
, host
, port
, socket_family
, socket_type
) == 0)
1707 BIO_printf(bio_err
, "connect:errno=%d\n", get_last_socket_error());
1711 BIO_printf(bio_c_out
, "CONNECTED(%08X)\n", s
);
1714 if (!BIO_socket_nbio(s
, 1)) {
1715 ERR_print_errors(bio_err
);
1718 BIO_printf(bio_c_out
, "Turned on non blocking io\n");
1720 #ifndef OPENSSL_NO_DTLS
1721 if (socket_type
== SOCK_DGRAM
) {
1722 struct sockaddr peer
;
1723 int peerlen
= sizeof peer
;
1725 sbio
= BIO_new_dgram(s
, BIO_NOCLOSE
);
1726 if (getsockname(s
, &peer
, (void *)&peerlen
) < 0) {
1727 BIO_printf(bio_err
, "getsockname:errno=%d\n",
1728 get_last_socket_error());
1733 (void)BIO_ctrl_set_connected(sbio
, &peer
);
1735 if (enable_timeouts
) {
1737 timeout
.tv_usec
= DGRAM_RCV_TIMEOUT
;
1738 BIO_ctrl(sbio
, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT
, 0, &timeout
);
1741 timeout
.tv_usec
= DGRAM_SND_TIMEOUT
;
1742 BIO_ctrl(sbio
, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT
, 0, &timeout
);
1746 if (socket_mtu
< DTLS_get_link_min_mtu(con
)) {
1747 BIO_printf(bio_err
, "MTU too small. Must be at least %ld\n",
1748 DTLS_get_link_min_mtu(con
));
1752 SSL_set_options(con
, SSL_OP_NO_QUERY_MTU
);
1753 if (!DTLS_set_link_mtu(con
, socket_mtu
)) {
1754 BIO_printf(bio_err
, "Failed to set MTU\n");
1759 /* want to do MTU discovery */
1760 BIO_ctrl(sbio
, BIO_CTRL_DGRAM_MTU_DISCOVER
, 0, NULL
);
1762 #endif /* OPENSSL_NO_DTLS */
1763 sbio
= BIO_new_socket(s
, BIO_NOCLOSE
);
1768 test
= BIO_new(BIO_f_nbio_test());
1769 sbio
= BIO_push(test
, sbio
);
1773 BIO_set_callback(sbio
, bio_dump_callback
);
1774 BIO_set_callback_arg(sbio
, (char *)bio_c_out
);
1777 #ifndef OPENSSL_NO_SSL_TRACE
1779 SSL_set_msg_callback(con
, SSL_trace
);
1782 SSL_set_msg_callback(con
, msg_cb
);
1783 SSL_set_msg_callback_arg(con
, bio_c_msg
? bio_c_msg
: bio_c_out
);
1786 if (c_tlsextdebug
) {
1787 SSL_set_tlsext_debug_callback(con
, tlsext_cb
);
1788 SSL_set_tlsext_debug_arg(con
, bio_c_out
);
1790 #ifndef OPENSSL_NO_OCSP
1792 SSL_set_tlsext_status_type(con
, TLSEXT_STATUSTYPE_ocsp
);
1793 SSL_CTX_set_tlsext_status_cb(ctx
, ocsp_resp_cb
);
1794 SSL_CTX_set_tlsext_status_arg(ctx
, bio_c_out
);
1798 SSL_set_bio(con
, sbio
, sbio
);
1799 SSL_set_connect_state(con
);
1801 /* ok, lets connect */
1802 width
= SSL_get_fd(con
) + 1;
1815 switch ((PROTOCOL_CHOICE
) starttls_proto
) {
1821 * This is an ugly hack that does a lot of assumptions. We do
1822 * have to handle multi-line responses which may come in a single
1823 * packet or not. We therefore have to use BIO_gets() which does
1824 * need a buffering BIO. So during the initial chitchat we do
1825 * push a buffering BIO into the chain that is removed again
1826 * later on to not disturb the rest of the s_client operation.
1829 BIO
*fbio
= BIO_new(BIO_f_buffer());
1830 BIO_push(fbio
, sbio
);
1831 /* wait for multi-line response to end from SMTP */
1833 mbuf_len
= BIO_gets(fbio
, mbuf
, BUFSIZZ
);
1835 while (mbuf_len
> 3 && mbuf
[3] == '-');
1836 BIO_printf(fbio
, "EHLO %s\r\n", ehlo
);
1837 (void)BIO_flush(fbio
);
1838 /* wait for multi-line response to end EHLO SMTP response */
1840 mbuf_len
= BIO_gets(fbio
, mbuf
, BUFSIZZ
);
1841 if (strstr(mbuf
, "STARTTLS"))
1844 while (mbuf_len
> 3 && mbuf
[3] == '-');
1845 (void)BIO_flush(fbio
);
1850 "didn't find starttls in server response,"
1851 " trying anyway...\n");
1852 BIO_printf(sbio
, "STARTTLS\r\n");
1853 BIO_read(sbio
, sbuf
, BUFSIZZ
);
1858 BIO_read(sbio
, mbuf
, BUFSIZZ
);
1859 BIO_printf(sbio
, "STLS\r\n");
1860 mbuf_len
= BIO_read(sbio
, sbuf
, BUFSIZZ
);
1862 BIO_printf(bio_err
, "BIO_read failed\n");
1870 BIO
*fbio
= BIO_new(BIO_f_buffer());
1871 BIO_push(fbio
, sbio
);
1872 BIO_gets(fbio
, mbuf
, BUFSIZZ
);
1873 /* STARTTLS command requires CAPABILITY... */
1874 BIO_printf(fbio
, ". CAPABILITY\r\n");
1875 (void)BIO_flush(fbio
);
1876 /* wait for multi-line CAPABILITY response */
1878 mbuf_len
= BIO_gets(fbio
, mbuf
, BUFSIZZ
);
1879 if (strstr(mbuf
, "STARTTLS"))
1882 while (mbuf_len
> 3 && mbuf
[0] != '.');
1883 (void)BIO_flush(fbio
);
1888 "didn't find STARTTLS in server response,"
1889 " trying anyway...\n");
1890 BIO_printf(sbio
, ". STARTTLS\r\n");
1891 BIO_read(sbio
, sbuf
, BUFSIZZ
);
1896 BIO
*fbio
= BIO_new(BIO_f_buffer());
1897 BIO_push(fbio
, sbio
);
1898 /* wait for multi-line response to end from FTP */
1900 mbuf_len
= BIO_gets(fbio
, mbuf
, BUFSIZZ
);
1902 while (mbuf_len
> 3 && mbuf
[3] == '-');
1903 (void)BIO_flush(fbio
);
1906 BIO_printf(sbio
, "AUTH TLS\r\n");
1907 BIO_read(sbio
, sbuf
, BUFSIZZ
);
1911 case PROTO_XMPP_SERVER
:
1914 BIO_printf(sbio
, "<stream:stream "
1915 "xmlns:stream='http://etherx.jabber.org/streams' "
1916 "xmlns='jabber:%s' to='%s' version='1.0'>",
1917 starttls_proto
== PROTO_XMPP
? "client" : "server",
1918 xmpphost
? xmpphost
: host
);
1919 seen
= BIO_read(sbio
, mbuf
, BUFSIZZ
);
1922 (mbuf
, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")
1924 "<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\""))
1926 seen
= BIO_read(sbio
, mbuf
, BUFSIZZ
);
1934 "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
1935 seen
= BIO_read(sbio
, sbuf
, BUFSIZZ
);
1937 if (!strstr(sbuf
, "<proceed"))
1944 static const unsigned char tls_do
[] = {
1945 /* IAC DO START_TLS */
1948 static const unsigned char tls_will
[] = {
1949 /* IAC WILL START_TLS */
1952 static const unsigned char tls_follows
[] = {
1953 /* IAC SB START_TLS FOLLOWS IAC SE */
1954 255, 250, 46, 1, 255, 240
1958 /* Telnet server should demand we issue START_TLS */
1959 bytes
= BIO_read(sbio
, mbuf
, BUFSIZZ
);
1960 if (bytes
!= 3 || memcmp(mbuf
, tls_do
, 3) != 0)
1962 /* Agree to issue START_TLS and send the FOLLOWS sub-command */
1963 BIO_write(sbio
, tls_will
, 3);
1964 BIO_write(sbio
, tls_follows
, 6);
1965 (void)BIO_flush(sbio
);
1966 /* Telnet server also sent the FOLLOWS sub-command */
1967 bytes
= BIO_read(sbio
, mbuf
, BUFSIZZ
);
1968 if (bytes
!= 6 || memcmp(mbuf
, tls_follows
, 6) != 0)
1975 BIO
*fbio
= BIO_new(BIO_f_buffer());
1977 BIO_push(fbio
, sbio
);
1978 BIO_printf(fbio
, "CONNECT %s HTTP/1.0\r\n\r\n", connectstr
);
1979 (void)BIO_flush(fbio
);
1980 /* wait for multi-line response to end CONNECT response */
1982 mbuf_len
= BIO_gets(fbio
, mbuf
, BUFSIZZ
);
1983 if (strstr(mbuf
, "200") != NULL
1984 && strstr(mbuf
, "established") != NULL
)
1986 } while (mbuf_len
> 3 && foundit
== 0);
1987 (void)BIO_flush(fbio
);
1991 BIO_printf(bio_err
, "%s: HTTP CONNECT failed\n", prog
);
1999 BIO
*fbio
= BIO_new(BIO_f_buffer());
2001 BIO_push(fbio
, sbio
);
2002 BIO_printf(fbio
, "STARTTLS\r\n");
2003 (void)BIO_flush(fbio
);
2004 width
= SSL_get_fd(con
) + 1;
2010 openssl_fdset(SSL_get_fd(con
), &readfds
);
2011 timeout
.tv_sec
= S_CLIENT_IRC_READ_TIMEOUT
;
2012 timeout
.tv_usec
= 0;
2014 * If the IRCd doesn't respond within
2015 * S_CLIENT_IRC_READ_TIMEOUT seconds, assume
2016 * it doesn't support STARTTLS. Many IRCds
2017 * will not give _any_ sort of response to a
2018 * STARTTLS command when it's not supported.
2020 if (!BIO_get_buffer_num_lines(fbio
)
2021 && !BIO_pending(fbio
)
2022 && !BIO_pending(sbio
)
2023 && select(width
, (void *)&readfds
, NULL
, NULL
,
2026 "Timeout waiting for response (%d seconds).\n",
2027 S_CLIENT_IRC_READ_TIMEOUT
);
2031 mbuf_len
= BIO_gets(fbio
, mbuf
, BUFSIZZ
);
2032 if (mbuf_len
< 1 || sscanf(mbuf
, "%*s %d", &numeric
) != 1)
2034 /* :example.net 451 STARTTLS :You have not registered */
2035 /* :example.net 421 STARTTLS :Unknown command */
2036 if ((numeric
== 451 || numeric
== 421)
2037 && strstr(mbuf
, "STARTTLS") != NULL
) {
2038 BIO_printf(bio_err
, "STARTTLS not supported: %s", mbuf
);
2041 if (numeric
== 691) {
2042 BIO_printf(bio_err
, "STARTTLS negotiation failed: ");
2043 ERR_print_errors(bio_err
);
2046 } while (numeric
!= 670);
2048 (void)BIO_flush(fbio
);
2051 if (numeric
!= 670) {
2052 BIO_printf(bio_err
, "Server does not support STARTTLS.\n");
2063 if ((SSL_version(con
) == DTLS1_VERSION
) &&
2064 DTLSv1_get_timeout(con
, &timeout
))
2065 timeoutp
= &timeout
;
2069 if (SSL_in_init(con
) && !SSL_total_renegotiations(con
)) {
2077 if (servername
!= NULL
&& !SSL_session_reused(con
)) {
2078 BIO_printf(bio_c_out
,
2079 "Server did %sacknowledge servername extension.\n",
2080 tlsextcbp
.ack
? "" : "not ");
2084 BIO
*stmp
= BIO_new_file(sess_out
, "w");
2086 PEM_write_bio_SSL_SESSION(stmp
, SSL_get_session(con
));
2089 BIO_printf(bio_err
, "Error writing session file %s\n",
2093 BIO_puts(bio_err
, "CONNECTION ESTABLISHED\n");
2094 print_ssl_summary(con
);
2097 print_stuff(bio_c_out
, con
, full_log
);
2101 if (starttls_proto
) {
2102 BIO_write(bio_err
, mbuf
, mbuf_len
);
2103 /* We don't need to know any more */
2105 starttls_proto
= PROTO_OFF
;
2110 BIO_printf(bio_c_out
,
2111 "drop connection and then reconnect\n");
2112 do_ssl_shutdown(con
);
2113 SSL_set_connect_state(con
);
2114 BIO_closesocket(SSL_get_fd(con
));
2120 ssl_pending
= read_ssl
&& SSL_has_pending(con
);
2123 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
2126 * Note that select() returns when read _would not block_,
2127 * and EOF satisfies that. To avoid a CPU-hogging loop,
2128 * set the flag so we exit.
2130 if (read_tty
&& !at_eof
)
2131 openssl_fdset(fileno(stdin
), &readfds
);
2133 openssl_fdset(fileno(stdout
), &writefds
);
2136 openssl_fdset(SSL_get_fd(con
), &readfds
);
2138 openssl_fdset(SSL_get_fd(con
), &writefds
);
2140 if (!tty_on
|| !write_tty
) {
2142 openssl_fdset(SSL_get_fd(con
), &readfds
);
2144 openssl_fdset(SSL_get_fd(con
), &writefds
);
2149 * Note: under VMS with SOCKETSHR the second parameter is
2150 * currently of type (int *) whereas under other systems it is
2151 * (void *) if you don't have a cast it will choke the compiler:
2152 * if you do have a cast then you can either go for (int *) or
2155 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2157 * Under Windows/DOS we make the assumption that we can always
2158 * write to the tty: therefore if we need to write to the tty we
2159 * just fall through. Otherwise we timeout the select every
2160 * second and see if there are any keypresses. Note: this is a
2161 * hack, in a proper Windows application we wouldn't do this.
2168 i
= select(width
, (void *)&readfds
, (void *)&writefds
,
2170 if (!i
&& (!has_stdin_waiting() || !read_tty
))
2173 i
= select(width
, (void *)&readfds
, (void *)&writefds
,
2177 i
= select(width
, (void *)&readfds
, (void *)&writefds
,
2181 BIO_printf(bio_err
, "bad select %d\n",
2182 get_last_socket_error());
2188 if ((SSL_version(con
) == DTLS1_VERSION
)
2189 && DTLSv1_handle_timeout(con
) > 0) {
2190 BIO_printf(bio_err
, "TIMEOUT occurred\n");
2193 if (!ssl_pending
&& FD_ISSET(SSL_get_fd(con
), &writefds
)) {
2194 k
= SSL_write(con
, &(cbuf
[cbuf_off
]), (unsigned int)cbuf_len
);
2195 switch (SSL_get_error(con
, k
)) {
2196 case SSL_ERROR_NONE
:
2201 /* we have done a write(con,NULL,0); */
2202 if (cbuf_len
<= 0) {
2205 } else { /* if (cbuf_len > 0) */
2211 case SSL_ERROR_WANT_WRITE
:
2212 BIO_printf(bio_c_out
, "write W BLOCK\n");
2216 case SSL_ERROR_WANT_ASYNC
:
2217 BIO_printf(bio_c_out
, "write A BLOCK\n");
2218 wait_for_async(con
);
2222 case SSL_ERROR_WANT_READ
:
2223 BIO_printf(bio_c_out
, "write R BLOCK\n");
2228 case SSL_ERROR_WANT_X509_LOOKUP
:
2229 BIO_printf(bio_c_out
, "write X BLOCK\n");
2231 case SSL_ERROR_ZERO_RETURN
:
2232 if (cbuf_len
!= 0) {
2233 BIO_printf(bio_c_out
, "shutdown\n");
2242 case SSL_ERROR_SYSCALL
:
2243 if ((k
!= 0) || (cbuf_len
!= 0)) {
2244 BIO_printf(bio_err
, "write:errno=%d\n",
2245 get_last_socket_error());
2252 case SSL_ERROR_WANT_ASYNC_JOB
:
2253 /* This shouldn't ever happen in s_client - treat as an error */
2255 ERR_print_errors(bio_err
);
2259 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2260 /* Assume Windows/DOS/BeOS can always write */
2261 else if (!ssl_pending
&& write_tty
)
2263 else if (!ssl_pending
&& FD_ISSET(fileno(stdout
), &writefds
))
2266 #ifdef CHARSET_EBCDIC
2267 ascii2ebcdic(&(sbuf
[sbuf_off
]), &(sbuf
[sbuf_off
]), sbuf_len
);
2269 i
= raw_write_stdout(&(sbuf
[sbuf_off
]), sbuf_len
);
2272 BIO_printf(bio_c_out
, "DONE\n");
2280 if (sbuf_len
<= 0) {
2284 } else if (ssl_pending
|| FD_ISSET(SSL_get_fd(con
), &readfds
)) {
2289 SSL_renegotiate(con
);
2294 k
= SSL_read(con
, sbuf
, 1024 /* BUFSIZZ */ );
2296 switch (SSL_get_error(con
, k
)) {
2297 case SSL_ERROR_NONE
:
2306 case SSL_ERROR_WANT_ASYNC
:
2307 BIO_printf(bio_c_out
, "read A BLOCK\n");
2308 wait_for_async(con
);
2311 if ((read_tty
== 0) && (write_ssl
== 0))
2314 case SSL_ERROR_WANT_WRITE
:
2315 BIO_printf(bio_c_out
, "read W BLOCK\n");
2319 case SSL_ERROR_WANT_READ
:
2320 BIO_printf(bio_c_out
, "read R BLOCK\n");
2323 if ((read_tty
== 0) && (write_ssl
== 0))
2326 case SSL_ERROR_WANT_X509_LOOKUP
:
2327 BIO_printf(bio_c_out
, "read X BLOCK\n");
2329 case SSL_ERROR_SYSCALL
:
2330 ret
= get_last_socket_error();
2332 BIO_puts(bio_err
, "CONNECTION CLOSED BY SERVER\n");
2334 BIO_printf(bio_err
, "read:errno=%d\n", ret
);
2336 case SSL_ERROR_ZERO_RETURN
:
2337 BIO_printf(bio_c_out
, "closed\n");
2340 case SSL_ERROR_WANT_ASYNC_JOB
:
2341 /* This shouldn't ever happen in s_client. Treat as an error */
2343 ERR_print_errors(bio_err
);
2348 /* OPENSSL_SYS_MSDOS includes OPENSSL_SYS_WINDOWS */
2349 #if defined(OPENSSL_SYS_MSDOS)
2350 else if (has_stdin_waiting())
2352 else if (FD_ISSET(fileno(stdin
), &readfds
))
2358 i
= raw_read_stdin(cbuf
, BUFSIZZ
/ 2);
2360 /* both loops are skipped when i <= 0 */
2361 for (j
= 0; j
< i
; j
++)
2362 if (cbuf
[j
] == '\n')
2364 for (j
= i
- 1; j
>= 0; j
--) {
2365 cbuf
[j
+ lf_num
] = cbuf
[j
];
2366 if (cbuf
[j
] == '\n') {
2369 cbuf
[j
+ lf_num
] = '\r';
2372 assert(lf_num
== 0);
2374 i
= raw_read_stdin(cbuf
, BUFSIZZ
);
2379 if ((!c_ign_eof
) && ((i
<= 0) || (cbuf
[0] == 'Q' && cmdletters
))) {
2380 BIO_printf(bio_err
, "DONE\n");
2385 if ((!c_ign_eof
) && (cbuf
[0] == 'R' && cmdletters
)) {
2386 BIO_printf(bio_err
, "RENEGOTIATING\n");
2387 SSL_renegotiate(con
);
2390 #ifndef OPENSSL_NO_HEARTBEATS
2391 else if ((!c_ign_eof
) && (cbuf
[0] == 'B' && cmdletters
)) {
2392 BIO_printf(bio_err
, "HEARTBEATING\n");
2400 #ifdef CHARSET_EBCDIC
2401 ebcdic2ascii(cbuf
, cbuf
, i
);
2413 print_stuff(bio_c_out
, con
, full_log
);
2414 do_ssl_shutdown(con
);
2415 #if defined(OPENSSL_SYS_WINDOWS)
2417 * Give the socket time to send its last data before we close it.
2418 * No amount of setting SO_LINGER etc on the socket seems to persuade
2419 * Windows to send the data before closing the socket...but sleeping
2420 * for a short time seems to do it (units in ms)
2421 * TODO: Find a better way to do this
2425 BIO_closesocket(SSL_get_fd(con
));
2429 print_stuff(bio_c_out
, con
, 1);
2432 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2433 OPENSSL_free(next_proto
.data
);
2437 sk_X509_CRL_pop_free(crls
, X509_CRL_free
);
2439 sk_X509_pop_free(chain
, X509_free
);
2441 #ifndef OPENSSL_NO_SRP
2442 OPENSSL_free(srp_arg
.srppassin
);
2446 X509_VERIFY_PARAM_free(vpm
);
2447 ssl_excert_free(exc
);
2448 sk_OPENSSL_STRING_free(ssl_args
);
2449 sk_OPENSSL_STRING_free(dane_tlsa_rrset
);
2450 SSL_CONF_CTX_free(cctx
);
2451 OPENSSL_clear_free(cbuf
, BUFSIZZ
);
2452 OPENSSL_clear_free(sbuf
, BUFSIZZ
);
2453 OPENSSL_clear_free(mbuf
, BUFSIZZ
);
2454 BIO_free(bio_c_out
);
2456 BIO_free(bio_c_msg
);
2461 static void print_stuff(BIO
*bio
, SSL
*s
, int full
)
2466 STACK_OF(X509_NAME
) *sk2
;
2467 const SSL_CIPHER
*c
;
2470 #ifndef OPENSSL_NO_COMP
2471 const COMP_METHOD
*comp
, *expansion
;
2473 unsigned char *exportedkeymat
;
2474 #ifndef OPENSSL_NO_CT
2475 const SSL_CTX
*ctx
= SSL_get_SSL_CTX(s
);
2479 int got_a_chain
= 0;
2481 sk
= SSL_get_peer_cert_chain(s
);
2485 BIO_printf(bio
, "---\nCertificate chain\n");
2486 for (i
= 0; i
< sk_X509_num(sk
); i
++) {
2487 X509_NAME_oneline(X509_get_subject_name(sk_X509_value(sk
, i
)),
2489 BIO_printf(bio
, "%2d s:%s\n", i
, buf
);
2490 X509_NAME_oneline(X509_get_issuer_name(sk_X509_value(sk
, i
)),
2492 BIO_printf(bio
, " i:%s\n", buf
);
2494 PEM_write_bio_X509(bio
, sk_X509_value(sk
, i
));
2498 BIO_printf(bio
, "---\n");
2499 peer
= SSL_get_peer_certificate(s
);
2501 BIO_printf(bio
, "Server certificate\n");
2503 /* Redundant if we showed the whole chain */
2504 if (!(c_showcerts
&& got_a_chain
))
2505 PEM_write_bio_X509(bio
, peer
);
2506 X509_NAME_oneline(X509_get_subject_name(peer
), buf
, sizeof buf
);
2507 BIO_printf(bio
, "subject=%s\n", buf
);
2508 X509_NAME_oneline(X509_get_issuer_name(peer
), buf
, sizeof buf
);
2509 BIO_printf(bio
, "issuer=%s\n", buf
);
2511 BIO_printf(bio
, "no peer certificate available\n");
2513 sk2
= SSL_get_client_CA_list(s
);
2514 if ((sk2
!= NULL
) && (sk_X509_NAME_num(sk2
) > 0)) {
2515 BIO_printf(bio
, "---\nAcceptable client certificate CA names\n");
2516 for (i
= 0; i
< sk_X509_NAME_num(sk2
); i
++) {
2517 xn
= sk_X509_NAME_value(sk2
, i
);
2518 X509_NAME_oneline(xn
, buf
, sizeof(buf
));
2519 BIO_write(bio
, buf
, strlen(buf
));
2520 BIO_write(bio
, "\n", 1);
2523 BIO_printf(bio
, "---\nNo client certificate CA names sent\n");
2526 ssl_print_sigalgs(bio
, s
);
2527 ssl_print_tmp_key(bio
, s
);
2529 #ifndef OPENSSL_NO_CT
2531 * When the SSL session is anonymous, or resumed via an abbreviated
2532 * handshake, no SCTs are provided as part of the handshake. While in
2533 * a resumed session SCTs may be present in the session's certificate,
2534 * no callbacks are invoked to revalidate these, and in any case that
2535 * set of SCTs may be incomplete. Thus it makes little sense to
2536 * attempt to display SCTs from a resumed session's certificate, and of
2537 * course none are associated with an anonymous peer.
2539 if (peer
!= NULL
&& !SSL_session_reused(s
) && SSL_ct_is_enabled(s
)) {
2540 const STACK_OF(SCT
) *scts
= SSL_get0_peer_scts(s
);
2541 int sct_count
= scts
!= NULL
? sk_SCT_num(scts
) : 0;
2543 BIO_printf(bio
, "---\nSCTs present (%i)\n", sct_count
);
2544 if (sct_count
> 0) {
2545 const CTLOG_STORE
*log_store
= SSL_CTX_get0_ctlog_store(ctx
);
2547 BIO_printf(bio
, "---\n");
2548 for (i
= 0; i
< sct_count
; ++i
) {
2549 SCT
*sct
= sk_SCT_value(scts
, i
);
2551 BIO_printf(bio
, "SCT validation status: %s\n",
2552 SCT_validation_status_string(sct
));
2553 SCT_print(sct
, bio
, 0, log_store
);
2554 if (i
< sct_count
- 1)
2555 BIO_printf(bio
, "\n---\n");
2557 BIO_printf(bio
, "\n");
2563 "---\nSSL handshake has read %"PRIu64
" bytes and written %"PRIu64
" bytes\n",
2564 BIO_number_read(SSL_get_rbio(s
)),
2565 BIO_number_written(SSL_get_wbio(s
)));
2567 print_verify_detail(s
, bio
);
2568 BIO_printf(bio
, (SSL_session_reused(s
) ? "---\nReused, " : "---\nNew, "));
2569 c
= SSL_get_current_cipher(s
);
2570 BIO_printf(bio
, "%s, Cipher is %s\n",
2571 SSL_CIPHER_get_version(c
), SSL_CIPHER_get_name(c
));
2575 pktmp
= X509_get0_pubkey(peer
);
2576 BIO_printf(bio
, "Server public key is %d bit\n",
2577 EVP_PKEY_bits(pktmp
));
2579 BIO_printf(bio
, "Secure Renegotiation IS%s supported\n",
2580 SSL_get_secure_renegotiation_support(s
) ? "" : " NOT");
2581 #ifndef OPENSSL_NO_COMP
2582 comp
= SSL_get_current_compression(s
);
2583 expansion
= SSL_get_current_expansion(s
);
2584 BIO_printf(bio
, "Compression: %s\n",
2585 comp
? SSL_COMP_get_name(comp
) : "NONE");
2586 BIO_printf(bio
, "Expansion: %s\n",
2587 expansion
? SSL_COMP_get_name(expansion
) : "NONE");
2592 /* Print out local port of connection: useful for debugging */
2594 struct sockaddr_in ladd
;
2595 socklen_t ladd_size
= sizeof(ladd
);
2596 sock
= SSL_get_fd(s
);
2597 getsockname(sock
, (struct sockaddr
*)&ladd
, &ladd_size
);
2598 BIO_printf(bio_c_out
, "LOCAL PORT is %u\n", ntohs(ladd
.sin_port
));
2602 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2603 if (next_proto
.status
!= -1) {
2604 const unsigned char *proto
;
2605 unsigned int proto_len
;
2606 SSL_get0_next_proto_negotiated(s
, &proto
, &proto_len
);
2607 BIO_printf(bio
, "Next protocol: (%d) ", next_proto
.status
);
2608 BIO_write(bio
, proto
, proto_len
);
2609 BIO_write(bio
, "\n", 1);
2613 const unsigned char *proto
;
2614 unsigned int proto_len
;
2615 SSL_get0_alpn_selected(s
, &proto
, &proto_len
);
2616 if (proto_len
> 0) {
2617 BIO_printf(bio
, "ALPN protocol: ");
2618 BIO_write(bio
, proto
, proto_len
);
2619 BIO_write(bio
, "\n", 1);
2621 BIO_printf(bio
, "No ALPN negotiated\n");
2624 #ifndef OPENSSL_NO_SRTP
2626 SRTP_PROTECTION_PROFILE
*srtp_profile
=
2627 SSL_get_selected_srtp_profile(s
);
2630 BIO_printf(bio
, "SRTP Extension negotiated, profile=%s\n",
2631 srtp_profile
->name
);
2635 SSL_SESSION_print(bio
, SSL_get_session(s
));
2636 if ((SSL_get_session(s
) != NULL
) &&
2637 (keymatexportlabel
!= NULL
)) {
2638 BIO_printf(bio
, "Keying material exporter:\n");
2639 BIO_printf(bio
, " Label: '%s'\n", keymatexportlabel
);
2640 BIO_printf(bio
, " Length: %i bytes\n", keymatexportlen
);
2641 exportedkeymat
= app_malloc(keymatexportlen
, "export key");
2642 if (!SSL_export_keying_material(s
, exportedkeymat
,
2645 strlen(keymatexportlabel
),
2647 BIO_printf(bio
, " Error\n");
2649 BIO_printf(bio
, " Keying material: ");
2650 for (i
= 0; i
< keymatexportlen
; i
++)
2651 BIO_printf(bio
, "%02X", exportedkeymat
[i
]);
2652 BIO_printf(bio
, "\n");
2654 OPENSSL_free(exportedkeymat
);
2656 BIO_printf(bio
, "---\n");
2658 /* flush, or debugging output gets mixed with http response */
2659 (void)BIO_flush(bio
);
2662 # ifndef OPENSSL_NO_OCSP
2663 static int ocsp_resp_cb(SSL
*s
, void *arg
)
2665 const unsigned char *p
;
2668 len
= SSL_get_tlsext_status_ocsp_resp(s
, &p
);
2669 BIO_puts(arg
, "OCSP response: ");
2671 BIO_puts(arg
, "no response sent\n");
2674 rsp
= d2i_OCSP_RESPONSE(NULL
, &p
, len
);
2676 BIO_puts(arg
, "response parse error\n");
2677 BIO_dump_indent(arg
, (char *)p
, len
, 4);
2680 BIO_puts(arg
, "\n======================================\n");
2681 OCSP_RESPONSE_print(arg
, rsp
, 0);
2682 BIO_puts(arg
, "======================================\n");
2683 OCSP_RESPONSE_free(rsp
);
2688 #endif /* OPENSSL_NO_SOCK */