2 * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
3 * Copyright 2005 Nokia. All rights reserved.
5 * Licensed under the OpenSSL license (the "License"). You may not use
6 * this file except in compliance with the License. You can obtain a copy
7 * in the file LICENSE in the source distribution or at
8 * https://www.openssl.org/source/license.html
17 #include <openssl/e_os2.h>
19 #ifndef OPENSSL_NO_SOCK
22 * With IPv6, it looks like Digital has mixed up the proper order of
23 * recursive header file inclusion, resulting in the compiler complaining
24 * that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which is
25 * needed to have fileno() declared correctly... So let's define u_int
27 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
29 typedef unsigned int u_int
;
34 #include <openssl/x509.h>
35 #include <openssl/ssl.h>
36 #include <openssl/err.h>
37 #include <openssl/pem.h>
38 #include <openssl/rand.h>
39 #include <openssl/ocsp.h>
40 #include <openssl/bn.h>
41 #include <openssl/async.h>
42 #ifndef OPENSSL_NO_SRP
43 # include <openssl/srp.h>
46 # include <openssl/ct.h>
50 #include "internal/sockets.h"
52 #if defined(__has_feature)
53 # if __has_feature(memory_sanitizer)
54 # include <sanitizer/msan_interface.h>
59 #define BUFSIZZ 1024*8
60 #define S_CLIENT_IRC_READ_TIMEOUT 8
63 static int c_debug
= 0;
64 static int c_showcerts
= 0;
65 static char *keymatexportlabel
= NULL
;
66 static int keymatexportlen
= 20;
67 static BIO
*bio_c_out
= NULL
;
68 static int c_quiet
= 0;
69 static char *sess_out
= NULL
;
70 static SSL_SESSION
*psksess
= NULL
;
72 static void print_stuff(BIO
*berr
, SSL
*con
, int full
);
73 #ifndef OPENSSL_NO_OCSP
74 static int ocsp_resp_cb(SSL
*s
, void *arg
);
76 static int ldap_ExtendedResponse_parse(const char *buf
, long rem
);
78 static int saved_errno
;
80 static void save_errno(void)
86 static int restore_errno(void)
93 static void do_ssl_shutdown(SSL
*ssl
)
98 /* We only do unidirectional shutdown */
99 ret
= SSL_shutdown(ssl
);
101 switch (SSL_get_error(ssl
, ret
)) {
102 case SSL_ERROR_WANT_READ
:
103 case SSL_ERROR_WANT_WRITE
:
104 case SSL_ERROR_WANT_ASYNC
:
105 case SSL_ERROR_WANT_ASYNC_JOB
:
106 /* We just do busy waiting. Nothing clever */
114 /* Default PSK identity and key */
115 static char *psk_identity
= "Client_identity";
117 #ifndef OPENSSL_NO_PSK
118 static unsigned int psk_client_cb(SSL
*ssl
, const char *hint
, char *identity
,
119 unsigned int max_identity_len
,
121 unsigned int max_psk_len
)
128 BIO_printf(bio_c_out
, "psk_client_cb\n");
130 /* no ServerKeyExchange message */
132 BIO_printf(bio_c_out
,
133 "NULL received PSK identity hint, continuing anyway\n");
134 } else if (c_debug
) {
135 BIO_printf(bio_c_out
, "Received PSK identity hint '%s'\n", hint
);
139 * lookup PSK identity and PSK key based on the given identity hint here
141 ret
= BIO_snprintf(identity
, max_identity_len
, "%s", psk_identity
);
142 if (ret
< 0 || (unsigned int)ret
> max_identity_len
)
145 BIO_printf(bio_c_out
, "created identity '%s' len=%d\n", identity
,
148 /* convert the PSK key to binary */
149 key
= OPENSSL_hexstr2buf(psk_key
, &key_len
);
151 BIO_printf(bio_err
, "Could not convert PSK key '%s' to buffer\n",
155 if (max_psk_len
> INT_MAX
|| key_len
> (long)max_psk_len
) {
157 "psk buffer of callback is too small (%d) for key (%ld)\n",
158 max_psk_len
, key_len
);
163 memcpy(psk
, key
, key_len
);
167 BIO_printf(bio_c_out
, "created PSK len=%ld\n", key_len
);
172 BIO_printf(bio_err
, "Error in PSK client callback\n");
177 const unsigned char tls13_aes128gcmsha256_id
[] = { 0x13, 0x01 };
178 const unsigned char tls13_aes256gcmsha384_id
[] = { 0x13, 0x02 };
180 static int psk_use_session_cb(SSL
*s
, const EVP_MD
*md
,
181 const unsigned char **id
, size_t *idlen
,
184 SSL_SESSION
*usesess
= NULL
;
185 const SSL_CIPHER
*cipher
= NULL
;
187 if (psksess
!= NULL
) {
188 SSL_SESSION_up_ref(psksess
);
192 unsigned char *key
= OPENSSL_hexstr2buf(psk_key
, &key_len
);
195 BIO_printf(bio_err
, "Could not convert PSK key '%s' to buffer\n",
200 /* We default to SHA-256 */
201 cipher
= SSL_CIPHER_find(s
, tls13_aes128gcmsha256_id
);
202 if (cipher
== NULL
) {
203 BIO_printf(bio_err
, "Error finding suitable ciphersuite\n");
207 usesess
= SSL_SESSION_new();
209 || !SSL_SESSION_set1_master_key(usesess
, key
, key_len
)
210 || !SSL_SESSION_set_cipher(usesess
, cipher
)
211 || !SSL_SESSION_set_protocol_version(usesess
, TLS1_3_VERSION
)) {
218 cipher
= SSL_SESSION_get0_cipher(usesess
);
222 if (md
!= NULL
&& SSL_CIPHER_get_handshake_digest(cipher
) != md
) {
223 /* PSK not usable, ignore it */
227 SSL_SESSION_free(usesess
);
230 *id
= (unsigned char *)psk_identity
;
231 *idlen
= strlen(psk_identity
);
237 SSL_SESSION_free(usesess
);
241 /* This is a context that we pass to callbacks */
242 typedef struct tlsextctx_st
{
247 static int ssl_servername_cb(SSL
*s
, int *ad
, void *arg
)
249 tlsextctx
*p
= (tlsextctx
*) arg
;
250 const char *hn
= SSL_get_servername(s
, TLSEXT_NAMETYPE_host_name
);
251 if (SSL_get_servername_type(s
) != -1)
252 p
->ack
= !SSL_session_reused(s
) && hn
!= NULL
;
254 BIO_printf(bio_err
, "Can't use SSL_get_servername\n");
256 return SSL_TLSEXT_ERR_OK
;
259 #ifndef OPENSSL_NO_SRP
261 /* This is a context that we pass to all callbacks */
262 typedef struct srp_arg_st
{
265 int msg
; /* copy from c_msg */
266 int debug
; /* copy from c_debug */
267 int amp
; /* allow more groups */
268 int strength
; /* minimal size for N */
271 # define SRP_NUMBER_ITERATIONS_FOR_PRIME 64
273 static int srp_Verify_N_and_g(const BIGNUM
*N
, const BIGNUM
*g
)
275 BN_CTX
*bn_ctx
= BN_CTX_new();
276 BIGNUM
*p
= BN_new();
277 BIGNUM
*r
= BN_new();
279 g
!= NULL
&& N
!= NULL
&& bn_ctx
!= NULL
&& BN_is_odd(N
) &&
280 BN_is_prime_ex(N
, SRP_NUMBER_ITERATIONS_FOR_PRIME
, bn_ctx
, NULL
) == 1 &&
281 p
!= NULL
&& BN_rshift1(p
, N
) &&
283 BN_is_prime_ex(p
, SRP_NUMBER_ITERATIONS_FOR_PRIME
, bn_ctx
, NULL
) == 1 &&
285 /* verify g^((N-1)/2) == -1 (mod N) */
286 BN_mod_exp(r
, g
, p
, N
, bn_ctx
) &&
287 BN_add_word(r
, 1) && BN_cmp(r
, N
) == 0;
296 * This callback is used here for two purposes:
297 * - extended debugging
298 * - making some primality tests for unknown groups
299 * The callback is only called for a non default group.
301 * An application does not need the call back at all if
302 * only the standard groups are used. In real life situations,
303 * client and server already share well known groups,
304 * thus there is no need to verify them.
305 * Furthermore, in case that a server actually proposes a group that
306 * is not one of those defined in RFC 5054, it is more appropriate
307 * to add the group to a static list and then compare since
308 * primality tests are rather cpu consuming.
311 static int ssl_srp_verify_param_cb(SSL
*s
, void *arg
)
313 SRP_ARG
*srp_arg
= (SRP_ARG
*)arg
;
314 BIGNUM
*N
= NULL
, *g
= NULL
;
316 if (((N
= SSL_get_srp_N(s
)) == NULL
) || ((g
= SSL_get_srp_g(s
)) == NULL
))
318 if (srp_arg
->debug
|| srp_arg
->msg
|| srp_arg
->amp
== 1) {
319 BIO_printf(bio_err
, "SRP parameters:\n");
320 BIO_printf(bio_err
, "\tN=");
321 BN_print(bio_err
, N
);
322 BIO_printf(bio_err
, "\n\tg=");
323 BN_print(bio_err
, g
);
324 BIO_printf(bio_err
, "\n");
327 if (SRP_check_known_gN_param(g
, N
))
330 if (srp_arg
->amp
== 1) {
333 "SRP param N and g are not known params, going to check deeper.\n");
336 * The srp_moregroups is a real debugging feature. Implementors
337 * should rather add the value to the known ones. The minimal size
338 * has already been tested.
340 if (BN_num_bits(g
) <= BN_BITS
&& srp_Verify_N_and_g(N
, g
))
343 BIO_printf(bio_err
, "SRP param N and g rejected.\n");
347 # define PWD_STRLEN 1024
349 static char *ssl_give_srp_client_pwd_cb(SSL
*s
, void *arg
)
351 SRP_ARG
*srp_arg
= (SRP_ARG
*)arg
;
352 char *pass
= app_malloc(PWD_STRLEN
+ 1, "SRP password buffer");
356 cb_tmp
.password
= (char *)srp_arg
->srppassin
;
357 cb_tmp
.prompt_info
= "SRP user";
358 if ((l
= password_callback(pass
, PWD_STRLEN
, 0, &cb_tmp
)) < 0) {
359 BIO_printf(bio_err
, "Can't read Password\n");
370 #ifndef OPENSSL_NO_NEXTPROTONEG
371 /* This the context that we pass to next_proto_cb */
372 typedef struct tlsextnextprotoctx_st
{
376 } tlsextnextprotoctx
;
378 static tlsextnextprotoctx next_proto
;
380 static int next_proto_cb(SSL
*s
, unsigned char **out
, unsigned char *outlen
,
381 const unsigned char *in
, unsigned int inlen
,
384 tlsextnextprotoctx
*ctx
= arg
;
387 /* We can assume that |in| is syntactically valid. */
389 BIO_printf(bio_c_out
, "Protocols advertised by server: ");
390 for (i
= 0; i
< inlen
;) {
392 BIO_write(bio_c_out
, ", ", 2);
393 BIO_write(bio_c_out
, &in
[i
+ 1], in
[i
]);
396 BIO_write(bio_c_out
, "\n", 1);
400 SSL_select_next_proto(out
, outlen
, in
, inlen
, ctx
->data
, ctx
->len
);
401 return SSL_TLSEXT_ERR_OK
;
403 #endif /* ndef OPENSSL_NO_NEXTPROTONEG */
405 static int serverinfo_cli_parse_cb(SSL
*s
, unsigned int ext_type
,
406 const unsigned char *in
, size_t inlen
,
410 unsigned char ext_buf
[4 + 65536];
412 /* Reconstruct the type/len fields prior to extension data */
413 inlen
&= 0xffff; /* for formal memcmpy correctness */
414 ext_buf
[0] = (unsigned char)(ext_type
>> 8);
415 ext_buf
[1] = (unsigned char)(ext_type
);
416 ext_buf
[2] = (unsigned char)(inlen
>> 8);
417 ext_buf
[3] = (unsigned char)(inlen
);
418 memcpy(ext_buf
+ 4, in
, inlen
);
420 BIO_snprintf(pem_name
, sizeof(pem_name
), "SERVERINFO FOR EXTENSION %d",
422 PEM_write_bio(bio_c_out
, pem_name
, "", ext_buf
, 4 + inlen
);
427 * Hex decoder that tolerates optional whitespace. Returns number of bytes
428 * produced, advances inptr to end of input string.
430 static ossl_ssize_t
hexdecode(const char **inptr
, void *result
)
432 unsigned char **out
= (unsigned char **)result
;
433 const char *in
= *inptr
;
434 unsigned char *ret
= app_malloc(strlen(in
) / 2, "hexdecode");
435 unsigned char *cp
= ret
;
442 for (byte
= 0; *in
; ++in
) {
445 if (isspace(_UC(*in
)))
447 x
= OPENSSL_hexchar2int(*in
);
453 if ((nibble
^= 1) == 0) {
466 return cp
- (*out
= ret
);
470 * Decode unsigned 0..255, returns 1 on success, <= 0 on failure. Advances
471 * inptr to next field skipping leading whitespace.
473 static ossl_ssize_t
checked_uint8(const char **inptr
, void *out
)
475 uint8_t *result
= (uint8_t *)out
;
476 const char *in
= *inptr
;
482 v
= strtol(in
, &endp
, 10);
485 if (((v
== LONG_MIN
|| v
== LONG_MAX
) && e
== ERANGE
) ||
486 endp
== in
|| !isspace(_UC(*endp
)) ||
487 v
!= (*result
= (uint8_t) v
)) {
490 for (in
= endp
; isspace(_UC(*in
)); ++in
)
500 ossl_ssize_t (*parser
)(const char **, void *);
503 static int tlsa_import_rr(SSL
*con
, const char *rrdata
)
505 /* Not necessary to re-init these values; the "parsers" do that. */
506 static uint8_t usage
;
507 static uint8_t selector
;
508 static uint8_t mtype
;
509 static unsigned char *data
;
510 static struct tlsa_field tlsa_fields
[] = {
511 { &usage
, "usage", checked_uint8
},
512 { &selector
, "selector", checked_uint8
},
513 { &mtype
, "mtype", checked_uint8
},
514 { &data
, "data", hexdecode
},
517 struct tlsa_field
*f
;
519 const char *cp
= rrdata
;
520 ossl_ssize_t len
= 0;
522 for (f
= tlsa_fields
; f
->var
; ++f
) {
523 /* Returns number of bytes produced, advances cp to next field */
524 if ((len
= f
->parser(&cp
, f
->var
)) <= 0) {
525 BIO_printf(bio_err
, "%s: warning: bad TLSA %s field in: %s\n",
526 prog
, f
->name
, rrdata
);
530 /* The data field is last, so len is its length */
531 ret
= SSL_dane_tlsa_add(con
, usage
, selector
, mtype
, data
, len
);
535 ERR_print_errors(bio_err
);
536 BIO_printf(bio_err
, "%s: warning: unusable TLSA rrdata: %s\n",
541 ERR_print_errors(bio_err
);
542 BIO_printf(bio_err
, "%s: warning: error loading TLSA rrdata: %s\n",
549 static int tlsa_import_rrset(SSL
*con
, STACK_OF(OPENSSL_STRING
) *rrset
)
551 int num
= sk_OPENSSL_STRING_num(rrset
);
555 for (i
= 0; i
< num
; ++i
) {
556 char *rrdata
= sk_OPENSSL_STRING_value(rrset
, i
);
557 if (tlsa_import_rr(con
, rrdata
) > 0)
563 typedef enum OPTION_choice
{
564 OPT_ERR
= -1, OPT_EOF
= 0, OPT_HELP
,
565 OPT_4
, OPT_6
, OPT_HOST
, OPT_PORT
, OPT_CONNECT
, OPT_BIND
, OPT_UNIX
,
566 OPT_XMPPHOST
, OPT_VERIFY
, OPT_NAMEOPT
,
567 OPT_CERT
, OPT_CRL
, OPT_CRL_DOWNLOAD
, OPT_SESS_OUT
, OPT_SESS_IN
,
568 OPT_CERTFORM
, OPT_CRLFORM
, OPT_VERIFY_RET_ERROR
, OPT_VERIFY_QUIET
,
569 OPT_BRIEF
, OPT_PREXIT
, OPT_CRLF
, OPT_QUIET
, OPT_NBIO
,
570 OPT_SSL_CLIENT_ENGINE
, OPT_IGN_EOF
, OPT_NO_IGN_EOF
,
571 OPT_DEBUG
, OPT_TLSEXTDEBUG
, OPT_STATUS
, OPT_WDEBUG
,
572 OPT_MSG
, OPT_MSGFILE
, OPT_ENGINE
, OPT_TRACE
, OPT_SECURITY_DEBUG
,
573 OPT_SECURITY_DEBUG_VERBOSE
, OPT_SHOWCERTS
, OPT_NBIO_TEST
, OPT_STATE
,
574 OPT_PSK_IDENTITY
, OPT_PSK
, OPT_PSK_SESS
,
575 #ifndef OPENSSL_NO_SRP
576 OPT_SRPUSER
, OPT_SRPPASS
, OPT_SRP_STRENGTH
, OPT_SRP_LATEUSER
,
579 OPT_SSL3
, OPT_SSL_CONFIG
,
580 OPT_TLS1_3
, OPT_TLS1_2
, OPT_TLS1_1
, OPT_TLS1
, OPT_DTLS
, OPT_DTLS1
,
581 OPT_DTLS1_2
, OPT_SCTP
, OPT_TIMEOUT
, OPT_MTU
, OPT_KEYFORM
, OPT_PASS
,
582 OPT_CERT_CHAIN
, OPT_CAPATH
, OPT_NOCAPATH
, OPT_CHAINCAPATH
, OPT_VERIFYCAPATH
,
583 OPT_KEY
, OPT_RECONNECT
, OPT_BUILD_CHAIN
, OPT_CAFILE
, OPT_NOCAFILE
,
584 OPT_CHAINCAFILE
, OPT_VERIFYCAFILE
, OPT_NEXTPROTONEG
, OPT_ALPN
,
585 OPT_SERVERINFO
, OPT_STARTTLS
, OPT_SERVERNAME
, OPT_NOSERVERNAME
, OPT_ASYNC
,
586 OPT_USE_SRTP
, OPT_KEYMATEXPORT
, OPT_KEYMATEXPORTLEN
, OPT_PROTOHOST
,
587 OPT_MAXFRAGLEN
, OPT_MAX_SEND_FRAG
, OPT_SPLIT_SEND_FRAG
, OPT_MAX_PIPELINES
,
588 OPT_READ_BUF
, OPT_KEYLOG_FILE
, OPT_EARLY_DATA
, OPT_REQCAFILE
,
592 OPT_FALLBACKSCSV
, OPT_NOCMDS
, OPT_PROXY
, OPT_DANE_TLSA_DOMAIN
,
593 #ifndef OPENSSL_NO_CT
594 OPT_CT
, OPT_NOCT
, OPT_CTLOG_FILE
,
596 OPT_DANE_TLSA_RRDATA
, OPT_DANE_EE_NO_NAME
,
601 const OPTIONS s_client_options
[] = {
602 {"help", OPT_HELP
, '-', "Display this summary"},
603 {"host", OPT_HOST
, 's', "Use -connect instead"},
604 {"port", OPT_PORT
, 'p', "Use -connect instead"},
605 {"connect", OPT_CONNECT
, 's',
606 "TCP/IP where to connect (default is :" PORT
")"},
607 {"bind", OPT_BIND
, 's', "bind local address for connection"},
608 {"proxy", OPT_PROXY
, 's',
609 "Connect to via specified proxy to the real server"},
611 {"unix", OPT_UNIX
, 's', "Connect over the specified Unix-domain socket"},
613 {"4", OPT_4
, '-', "Use IPv4 only"},
615 {"6", OPT_6
, '-', "Use IPv6 only"},
617 {"verify", OPT_VERIFY
, 'p', "Turn on peer certificate verification"},
618 {"cert", OPT_CERT
, '<', "Certificate file to use, PEM format assumed"},
619 {"certform", OPT_CERTFORM
, 'F',
620 "Certificate format (PEM or DER) PEM default"},
621 {"nameopt", OPT_NAMEOPT
, 's', "Various certificate name options"},
622 {"key", OPT_KEY
, 's', "Private key file to use, if not in -cert file"},
623 {"keyform", OPT_KEYFORM
, 'E', "Key format (PEM, DER or engine) PEM default"},
624 {"pass", OPT_PASS
, 's', "Private key file pass phrase source"},
625 {"CApath", OPT_CAPATH
, '/', "PEM format directory of CA's"},
626 {"CAfile", OPT_CAFILE
, '<', "PEM format file of CA's"},
627 {"no-CAfile", OPT_NOCAFILE
, '-',
628 "Do not load the default certificates file"},
629 {"no-CApath", OPT_NOCAPATH
, '-',
630 "Do not load certificates from the default certificates directory"},
631 {"requestCAfile", OPT_REQCAFILE
, '<',
632 "PEM format file of CA names to send to the server"},
633 {"dane_tlsa_domain", OPT_DANE_TLSA_DOMAIN
, 's', "DANE TLSA base domain"},
634 {"dane_tlsa_rrdata", OPT_DANE_TLSA_RRDATA
, 's',
635 "DANE TLSA rrdata presentation form"},
636 {"dane_ee_no_namechecks", OPT_DANE_EE_NO_NAME
, '-',
637 "Disable name checks when matching DANE-EE(3) TLSA records"},
638 {"reconnect", OPT_RECONNECT
, '-',
639 "Drop and re-make the connection with the same Session-ID"},
640 {"showcerts", OPT_SHOWCERTS
, '-',
641 "Show all certificates sent by the server"},
642 {"debug", OPT_DEBUG
, '-', "Extra output"},
643 {"msg", OPT_MSG
, '-', "Show protocol messages"},
644 {"msgfile", OPT_MSGFILE
, '>',
645 "File to send output of -msg or -trace, instead of stdout"},
646 {"nbio_test", OPT_NBIO_TEST
, '-', "More ssl protocol testing"},
647 {"state", OPT_STATE
, '-', "Print the ssl states"},
648 {"crlf", OPT_CRLF
, '-', "Convert LF from terminal into CRLF"},
649 {"quiet", OPT_QUIET
, '-', "No s_client output"},
650 {"ign_eof", OPT_IGN_EOF
, '-', "Ignore input eof (default when -quiet)"},
651 {"no_ign_eof", OPT_NO_IGN_EOF
, '-', "Don't ignore input eof"},
652 {"starttls", OPT_STARTTLS
, 's',
653 "Use the appropriate STARTTLS command before starting TLS"},
654 {"xmpphost", OPT_XMPPHOST
, 's',
655 "Alias of -name option for \"-starttls xmpp[-server]\""},
657 {"sess_out", OPT_SESS_OUT
, '>', "File to write SSL session to"},
658 {"sess_in", OPT_SESS_IN
, '<', "File to read SSL session from"},
659 #ifndef OPENSSL_NO_SRTP
660 {"use_srtp", OPT_USE_SRTP
, 's',
661 "Offer SRTP key management with a colon-separated profile list"},
663 {"keymatexport", OPT_KEYMATEXPORT
, 's',
664 "Export keying material using label"},
665 {"keymatexportlen", OPT_KEYMATEXPORTLEN
, 'p',
666 "Export len bytes of keying material (default 20)"},
667 {"maxfraglen", OPT_MAXFRAGLEN
, 'p',
668 "Enable Maximum Fragment Length Negotiation (len values: 512, 1024, 2048 and 4096)"},
669 {"fallback_scsv", OPT_FALLBACKSCSV
, '-', "Send the fallback SCSV"},
670 {"name", OPT_PROTOHOST
, 's',
671 "Hostname to use for \"-starttls lmtp\", \"-starttls smtp\" or \"-starttls xmpp[-server]\""},
672 {"CRL", OPT_CRL
, '<', "CRL file to use"},
673 {"crl_download", OPT_CRL_DOWNLOAD
, '-', "Download CRL from distribution points"},
674 {"CRLform", OPT_CRLFORM
, 'F', "CRL format (PEM or DER) PEM is default"},
675 {"verify_return_error", OPT_VERIFY_RET_ERROR
, '-',
676 "Close connection on verification error"},
677 {"verify_quiet", OPT_VERIFY_QUIET
, '-', "Restrict verify output to errors"},
678 {"brief", OPT_BRIEF
, '-',
679 "Restrict output to brief summary of connection parameters"},
680 {"prexit", OPT_PREXIT
, '-',
681 "Print session information when the program exits"},
682 {"security_debug", OPT_SECURITY_DEBUG
, '-',
683 "Enable security debug messages"},
684 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE
, '-',
685 "Output more security debug output"},
686 {"cert_chain", OPT_CERT_CHAIN
, '<',
687 "Certificate chain file (in PEM format)"},
688 {"chainCApath", OPT_CHAINCAPATH
, '/',
689 "Use dir as certificate store path to build CA certificate chain"},
690 {"verifyCApath", OPT_VERIFYCAPATH
, '/',
691 "Use dir as certificate store path to verify CA certificate"},
692 {"build_chain", OPT_BUILD_CHAIN
, '-', "Build certificate chain"},
693 {"chainCAfile", OPT_CHAINCAFILE
, '<',
694 "CA file for certificate chain (PEM format)"},
695 {"verifyCAfile", OPT_VERIFYCAFILE
, '<',
696 "CA file for certificate verification (PEM format)"},
697 {"nocommands", OPT_NOCMDS
, '-', "Do not use interactive command letters"},
698 {"servername", OPT_SERVERNAME
, 's',
699 "Set TLS extension servername (SNI) in ClientHello (default)"},
700 {"noservername", OPT_NOSERVERNAME
, '-',
701 "Do not send the server name (SNI) extension in the ClientHello"},
702 {"tlsextdebug", OPT_TLSEXTDEBUG
, '-',
703 "Hex dump of all TLS extensions received"},
704 #ifndef OPENSSL_NO_OCSP
705 {"status", OPT_STATUS
, '-', "Request certificate status from server"},
707 {"serverinfo", OPT_SERVERINFO
, 's',
708 "types Send empty ClientHello extensions (comma-separated numbers)"},
709 {"alpn", OPT_ALPN
, 's',
710 "Enable ALPN extension, considering named protocols supported (comma-separated list)"},
711 {"async", OPT_ASYNC
, '-', "Support asynchronous operation"},
712 {"ssl_config", OPT_SSL_CONFIG
, 's', "Use specified configuration file"},
713 {"max_send_frag", OPT_MAX_SEND_FRAG
, 'p', "Maximum Size of send frames "},
714 {"split_send_frag", OPT_SPLIT_SEND_FRAG
, 'p',
715 "Size used to split data for encrypt pipelines"},
716 {"max_pipelines", OPT_MAX_PIPELINES
, 'p',
717 "Maximum number of encrypt/decrypt pipelines to be used"},
718 {"read_buf", OPT_READ_BUF
, 'p',
719 "Default read buffer size to be used for connections"},
723 #ifndef OPENSSL_NO_SSL3
724 {"ssl3", OPT_SSL3
, '-', "Just use SSLv3"},
726 #ifndef OPENSSL_NO_TLS1
727 {"tls1", OPT_TLS1
, '-', "Just use TLSv1"},
729 #ifndef OPENSSL_NO_TLS1_1
730 {"tls1_1", OPT_TLS1_1
, '-', "Just use TLSv1.1"},
732 #ifndef OPENSSL_NO_TLS1_2
733 {"tls1_2", OPT_TLS1_2
, '-', "Just use TLSv1.2"},
735 #ifndef OPENSSL_NO_TLS1_3
736 {"tls1_3", OPT_TLS1_3
, '-', "Just use TLSv1.3"},
738 #ifndef OPENSSL_NO_DTLS
739 {"dtls", OPT_DTLS
, '-', "Use any version of DTLS"},
740 {"timeout", OPT_TIMEOUT
, '-',
741 "Enable send/receive timeout on DTLS connections"},
742 {"mtu", OPT_MTU
, 'p', "Set the link layer MTU"},
744 #ifndef OPENSSL_NO_DTLS1
745 {"dtls1", OPT_DTLS1
, '-', "Just use DTLSv1"},
747 #ifndef OPENSSL_NO_DTLS1_2
748 {"dtls1_2", OPT_DTLS1_2
, '-', "Just use DTLSv1.2"},
750 #ifndef OPENSSL_NO_SCTP
751 {"sctp", OPT_SCTP
, '-', "Use SCTP"},
753 #ifndef OPENSSL_NO_SSL_TRACE
754 {"trace", OPT_TRACE
, '-', "Show trace output of protocol messages"},
757 {"wdebug", OPT_WDEBUG
, '-', "WATT-32 tcp debugging"},
759 {"nbio", OPT_NBIO
, '-', "Use non-blocking IO"},
760 {"psk_identity", OPT_PSK_IDENTITY
, 's', "PSK identity"},
761 {"psk", OPT_PSK
, 's', "PSK in hex (without 0x)"},
762 {"psk_session", OPT_PSK_SESS
, '<', "File to read PSK SSL session from"},
763 #ifndef OPENSSL_NO_SRP
764 {"srpuser", OPT_SRPUSER
, 's', "SRP authentication for 'user'"},
765 {"srppass", OPT_SRPPASS
, 's', "Password for 'user'"},
766 {"srp_lateuser", OPT_SRP_LATEUSER
, '-',
767 "SRP username into second ClientHello message"},
768 {"srp_moregroups", OPT_SRP_MOREGROUPS
, '-',
769 "Tolerate other than the known g N values."},
770 {"srp_strength", OPT_SRP_STRENGTH
, 'p', "Minimal length in bits for N"},
772 #ifndef OPENSSL_NO_NEXTPROTONEG
773 {"nextprotoneg", OPT_NEXTPROTONEG
, 's',
774 "Enable NPN extension, considering named protocols supported (comma-separated list)"},
776 #ifndef OPENSSL_NO_ENGINE
777 {"engine", OPT_ENGINE
, 's', "Use engine, possibly a hardware device"},
778 {"ssl_client_engine", OPT_SSL_CLIENT_ENGINE
, 's',
779 "Specify engine to be used for client certificate operations"},
781 #ifndef OPENSSL_NO_CT
782 {"ct", OPT_CT
, '-', "Request and parse SCTs (also enables OCSP stapling)"},
783 {"noct", OPT_NOCT
, '-', "Do not request or parse SCTs (default)"},
784 {"ctlogfile", OPT_CTLOG_FILE
, '<', "CT log list CONF file"},
786 {"keylogfile", OPT_KEYLOG_FILE
, '>', "Write TLS secrets to file"},
787 {"early_data", OPT_EARLY_DATA
, '<', "File to send as early data"},
788 {"force_pha", OPT_FORCE_PHA
, '-', "Force-enable post-handshake-authentication"},
789 {NULL
, OPT_EOF
, 0x00, NULL
}
792 typedef enum PROTOCOL_choice
{
811 static const OPT_PAIR services
[] = {
812 {"smtp", PROTO_SMTP
},
813 {"pop3", PROTO_POP3
},
814 {"imap", PROTO_IMAP
},
816 {"xmpp", PROTO_XMPP
},
817 {"xmpp-server", PROTO_XMPP_SERVER
},
818 {"telnet", PROTO_TELNET
},
820 {"mysql", PROTO_MYSQL
},
821 {"postgres", PROTO_POSTGRES
},
822 {"lmtp", PROTO_LMTP
},
823 {"nntp", PROTO_NNTP
},
824 {"sieve", PROTO_SIEVE
},
825 {"ldap", PROTO_LDAP
},
829 #define IS_INET_FLAG(o) \
830 (o == OPT_4 || o == OPT_6 || o == OPT_HOST || o == OPT_PORT || o == OPT_CONNECT)
831 #define IS_UNIX_FLAG(o) (o == OPT_UNIX)
833 #define IS_PROT_FLAG(o) \
834 (o == OPT_SSL3 || o == OPT_TLS1 || o == OPT_TLS1_1 || o == OPT_TLS1_2 \
835 || o == OPT_TLS1_3 || o == OPT_DTLS || o == OPT_DTLS1 || o == OPT_DTLS1_2)
837 /* Free |*dest| and optionally set it to a copy of |source|. */
838 static void freeandcopy(char **dest
, const char *source
)
843 *dest
= OPENSSL_strdup(source
);
846 static int new_session_cb(SSL
*S
, SSL_SESSION
*sess
)
848 BIO
*stmp
= BIO_new_file(sess_out
, "w");
851 BIO_printf(bio_err
, "Error writing session file %s\n", sess_out
);
853 PEM_write_bio_SSL_SESSION(stmp
, sess
);
858 * We always return a "fail" response so that the session gets freed again
859 * because we haven't used the reference.
864 int s_client_main(int argc
, char **argv
)
867 EVP_PKEY
*key
= NULL
;
870 STACK_OF(X509
) *chain
= NULL
;
872 X509_VERIFY_PARAM
*vpm
= NULL
;
873 SSL_EXCERT
*exc
= NULL
;
874 SSL_CONF_CTX
*cctx
= NULL
;
875 STACK_OF(OPENSSL_STRING
) *ssl_args
= NULL
;
876 char *dane_tlsa_domain
= NULL
;
877 STACK_OF(OPENSSL_STRING
) *dane_tlsa_rrset
= NULL
;
878 int dane_ee_no_name
= 0;
879 STACK_OF(X509_CRL
) *crls
= NULL
;
880 const SSL_METHOD
*meth
= TLS_client_method();
881 const char *CApath
= NULL
, *CAfile
= NULL
;
882 char *cbuf
= NULL
, *sbuf
= NULL
;
883 char *mbuf
= NULL
, *proxystr
= NULL
, *connectstr
= NULL
, *bindstr
= NULL
;
884 char *cert_file
= NULL
, *key_file
= NULL
, *chain_file
= NULL
;
885 char *chCApath
= NULL
, *chCAfile
= NULL
, *host
= NULL
;
886 char *port
= OPENSSL_strdup(PORT
);
887 char *bindhost
= NULL
, *bindport
= NULL
;
888 char *passarg
= NULL
, *pass
= NULL
, *vfyCApath
= NULL
, *vfyCAfile
= NULL
;
889 char *ReqCAfile
= NULL
;
890 char *sess_in
= NULL
, *crl_file
= NULL
, *p
;
891 const char *protohost
= NULL
;
892 struct timeval timeout
, *timeoutp
;
893 fd_set readfds
, writefds
;
894 int noCApath
= 0, noCAfile
= 0;
895 int build_chain
= 0, cbuf_len
, cbuf_off
, cert_format
= FORMAT_PEM
;
896 int key_format
= FORMAT_PEM
, crlf
= 0, full_log
= 1, mbuf_len
= 0;
899 int reconnect
= 0, verify
= SSL_VERIFY_NONE
, vpmtouched
= 0;
900 int ret
= 1, in_init
= 1, i
, nbio_test
= 0, s
= -1, k
, width
, state
= 0;
901 int sbuf_len
, sbuf_off
, cmdletters
= 1;
902 int socket_family
= AF_UNSPEC
, socket_type
= SOCK_STREAM
, protocol
= 0;
903 int starttls_proto
= PROTO_OFF
, crl_format
= FORMAT_PEM
, crl_download
= 0;
904 int write_tty
, read_tty
, write_ssl
, read_ssl
, tty_on
, ssl_pending
;
905 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
908 int read_buf_len
= 0;
909 int fallback_scsv
= 0;
911 #ifndef OPENSSL_NO_DTLS
912 int enable_timeouts
= 0;
915 #ifndef OPENSSL_NO_ENGINE
916 ENGINE
*ssl_client_engine
= NULL
;
919 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
922 const char *servername
= NULL
;
923 int noservername
= 0;
924 const char *alpn_in
= NULL
;
925 tlsextctx tlsextcbp
= { NULL
, 0 };
926 const char *ssl_config
= NULL
;
927 #define MAX_SI_TYPES 100
928 unsigned short serverinfo_types
[MAX_SI_TYPES
];
929 int serverinfo_count
= 0, start
= 0, len
;
930 #ifndef OPENSSL_NO_NEXTPROTONEG
931 const char *next_proto_neg_in
= NULL
;
933 #ifndef OPENSSL_NO_SRP
934 char *srppass
= NULL
;
935 int srp_lateuser
= 0;
936 SRP_ARG srp_arg
= { NULL
, NULL
, 0, 0, 0, 1024 };
938 #ifndef OPENSSL_NO_SRTP
939 char *srtp_profiles
= NULL
;
941 #ifndef OPENSSL_NO_CT
942 char *ctlog_file
= NULL
;
943 int ct_validation
= 0;
945 int min_version
= 0, max_version
= 0, prot_opt
= 0, no_prot_opt
= 0;
947 unsigned int max_send_fragment
= 0;
948 unsigned int split_send_fragment
= 0, max_pipelines
= 0;
949 enum { use_inet
, use_unix
, use_unknown
} connect_type
= use_unknown
;
951 uint8_t maxfraglen
= 0;
952 int c_nbio
= 0, c_msg
= 0, c_ign_eof
= 0, c_brief
= 0;
953 int c_tlsextdebug
= 0;
954 #ifndef OPENSSL_NO_OCSP
955 int c_status_req
= 0;
957 BIO
*bio_c_msg
= NULL
;
958 const char *keylog_file
= NULL
, *early_data_file
= NULL
;
959 #ifndef OPENSSL_NO_DTLS
962 char *psksessf
= NULL
;
967 /* Known false-positive of MemorySanitizer. */
968 #if defined(__has_feature)
969 # if __has_feature(memory_sanitizer)
970 __msan_unpoison(&readfds
, sizeof(readfds
));
971 __msan_unpoison(&writefds
, sizeof(writefds
));
975 prog
= opt_progname(argv
[0]);
980 vpm
= X509_VERIFY_PARAM_new();
981 cctx
= SSL_CONF_CTX_new();
983 if (vpm
== NULL
|| cctx
== NULL
) {
984 BIO_printf(bio_err
, "%s: out of memory\n", prog
);
988 cbuf
= app_malloc(BUFSIZZ
, "cbuf");
989 sbuf
= app_malloc(BUFSIZZ
, "sbuf");
990 mbuf
= app_malloc(BUFSIZZ
, "mbuf");
992 SSL_CONF_CTX_set_flags(cctx
, SSL_CONF_FLAG_CLIENT
| SSL_CONF_FLAG_CMDLINE
);
994 prog
= opt_init(argc
, argv
, s_client_options
);
995 while ((o
= opt_next()) != OPT_EOF
) {
996 /* Check for intermixing flags. */
997 if (connect_type
== use_unix
&& IS_INET_FLAG(o
)) {
999 "%s: Intermixed protocol flags (unix and internet domains)\n",
1003 if (connect_type
== use_inet
&& IS_UNIX_FLAG(o
)) {
1005 "%s: Intermixed protocol flags (internet and unix domains)\n",
1010 if (IS_PROT_FLAG(o
) && ++prot_opt
> 1) {
1011 BIO_printf(bio_err
, "Cannot supply multiple protocol flags\n");
1014 if (IS_NO_PROT_FLAG(o
))
1016 if (prot_opt
== 1 && no_prot_opt
) {
1018 "Cannot supply both a protocol flag and '-no_<prot>'\n");
1026 BIO_printf(bio_err
, "%s: Use -help for summary.\n", prog
);
1029 opt_help(s_client_options
);
1033 connect_type
= use_inet
;
1034 socket_family
= AF_INET
;
1039 connect_type
= use_inet
;
1040 socket_family
= AF_INET6
;
1045 connect_type
= use_inet
;
1046 freeandcopy(&host
, opt_arg());
1049 connect_type
= use_inet
;
1050 freeandcopy(&port
, opt_arg());
1053 connect_type
= use_inet
;
1054 freeandcopy(&connectstr
, opt_arg());
1057 freeandcopy(&bindstr
, opt_arg());
1060 proxystr
= opt_arg();
1061 starttls_proto
= PROTO_CONNECT
;
1065 connect_type
= use_unix
;
1066 socket_family
= AF_UNIX
;
1067 freeandcopy(&host
, opt_arg());
1071 /* fall through, since this is an alias */
1073 protohost
= opt_arg();
1076 verify
= SSL_VERIFY_PEER
;
1077 verify_args
.depth
= atoi(opt_arg());
1079 BIO_printf(bio_err
, "verify depth is %d\n", verify_args
.depth
);
1082 cert_file
= opt_arg();
1085 if (!set_nameopt(opt_arg()))
1089 crl_file
= opt_arg();
1091 case OPT_CRL_DOWNLOAD
:
1095 sess_out
= opt_arg();
1098 sess_in
= opt_arg();
1101 if (!opt_format(opt_arg(), OPT_FMT_PEMDER
, &cert_format
))
1105 if (!opt_format(opt_arg(), OPT_FMT_PEMDER
, &crl_format
))
1108 case OPT_VERIFY_RET_ERROR
:
1109 verify_args
.return_error
= 1;
1111 case OPT_VERIFY_QUIET
:
1112 verify_args
.quiet
= 1;
1115 c_brief
= verify_args
.quiet
= c_quiet
= 1;
1118 if (ssl_args
== NULL
)
1119 ssl_args
= sk_OPENSSL_STRING_new_null();
1120 if (ssl_args
== NULL
1121 || !sk_OPENSSL_STRING_push(ssl_args
, opt_flag())
1122 || !sk_OPENSSL_STRING_push(ssl_args
, opt_arg())) {
1123 BIO_printf(bio_err
, "%s: Memory allocation failure\n", prog
);
1128 if (!opt_verify(o
, vpm
))
1133 if (!args_excert(o
, &exc
))
1143 c_quiet
= c_ign_eof
= 1;
1152 e
= setup_engine(opt_arg(), 1);
1154 case OPT_SSL_CLIENT_ENGINE
:
1155 #ifndef OPENSSL_NO_ENGINE
1156 ssl_client_engine
= ENGINE_by_id(opt_arg());
1157 if (ssl_client_engine
== NULL
) {
1158 BIO_printf(bio_err
, "Error getting client auth engine\n");
1170 case OPT_NO_IGN_EOF
:
1176 case OPT_TLSEXTDEBUG
:
1180 #ifndef OPENSSL_NO_OCSP
1193 bio_c_msg
= BIO_new_file(opt_arg(), "w");
1196 #ifndef OPENSSL_NO_SSL_TRACE
1200 case OPT_SECURITY_DEBUG
:
1203 case OPT_SECURITY_DEBUG_VERBOSE
:
1215 case OPT_PSK_IDENTITY
:
1216 psk_identity
= opt_arg();
1219 for (p
= psk_key
= opt_arg(); *p
; p
++) {
1220 if (isxdigit(_UC(*p
)))
1222 BIO_printf(bio_err
, "Not a hex number '%s'\n", psk_key
);
1227 psksessf
= opt_arg();
1229 #ifndef OPENSSL_NO_SRP
1231 srp_arg
.srplogin
= opt_arg();
1232 if (min_version
< TLS1_VERSION
)
1233 min_version
= TLS1_VERSION
;
1236 srppass
= opt_arg();
1237 if (min_version
< TLS1_VERSION
)
1238 min_version
= TLS1_VERSION
;
1240 case OPT_SRP_STRENGTH
:
1241 srp_arg
.strength
= atoi(opt_arg());
1242 BIO_printf(bio_err
, "SRP minimal length for N is %d\n",
1244 if (min_version
< TLS1_VERSION
)
1245 min_version
= TLS1_VERSION
;
1247 case OPT_SRP_LATEUSER
:
1249 if (min_version
< TLS1_VERSION
)
1250 min_version
= TLS1_VERSION
;
1252 case OPT_SRP_MOREGROUPS
:
1254 if (min_version
< TLS1_VERSION
)
1255 min_version
= TLS1_VERSION
;
1258 case OPT_SSL_CONFIG
:
1259 ssl_config
= opt_arg();
1262 min_version
= SSL3_VERSION
;
1263 max_version
= SSL3_VERSION
;
1266 min_version
= TLS1_3_VERSION
;
1267 max_version
= TLS1_3_VERSION
;
1270 min_version
= TLS1_2_VERSION
;
1271 max_version
= TLS1_2_VERSION
;
1274 min_version
= TLS1_1_VERSION
;
1275 max_version
= TLS1_1_VERSION
;
1278 min_version
= TLS1_VERSION
;
1279 max_version
= TLS1_VERSION
;
1282 #ifndef OPENSSL_NO_DTLS
1283 meth
= DTLS_client_method();
1284 socket_type
= SOCK_DGRAM
;
1289 #ifndef OPENSSL_NO_DTLS1
1290 meth
= DTLS_client_method();
1291 min_version
= DTLS1_VERSION
;
1292 max_version
= DTLS1_VERSION
;
1293 socket_type
= SOCK_DGRAM
;
1298 #ifndef OPENSSL_NO_DTLS1_2
1299 meth
= DTLS_client_method();
1300 min_version
= DTLS1_2_VERSION
;
1301 max_version
= DTLS1_2_VERSION
;
1302 socket_type
= SOCK_DGRAM
;
1307 #ifndef OPENSSL_NO_SCTP
1308 protocol
= IPPROTO_SCTP
;
1312 #ifndef OPENSSL_NO_DTLS
1313 enable_timeouts
= 1;
1317 #ifndef OPENSSL_NO_DTLS
1318 socket_mtu
= atol(opt_arg());
1321 case OPT_FALLBACKSCSV
:
1325 if (!opt_format(opt_arg(), OPT_FMT_PDE
, &key_format
))
1329 passarg
= opt_arg();
1331 case OPT_CERT_CHAIN
:
1332 chain_file
= opt_arg();
1335 key_file
= opt_arg();
1346 case OPT_CHAINCAPATH
:
1347 chCApath
= opt_arg();
1349 case OPT_VERIFYCAPATH
:
1350 vfyCApath
= opt_arg();
1352 case OPT_BUILD_CHAIN
:
1356 ReqCAfile
= opt_arg();
1364 #ifndef OPENSSL_NO_CT
1371 case OPT_CTLOG_FILE
:
1372 ctlog_file
= opt_arg();
1375 case OPT_CHAINCAFILE
:
1376 chCAfile
= opt_arg();
1378 case OPT_VERIFYCAFILE
:
1379 vfyCAfile
= opt_arg();
1381 case OPT_DANE_TLSA_DOMAIN
:
1382 dane_tlsa_domain
= opt_arg();
1384 case OPT_DANE_TLSA_RRDATA
:
1385 if (dane_tlsa_rrset
== NULL
)
1386 dane_tlsa_rrset
= sk_OPENSSL_STRING_new_null();
1387 if (dane_tlsa_rrset
== NULL
||
1388 !sk_OPENSSL_STRING_push(dane_tlsa_rrset
, opt_arg())) {
1389 BIO_printf(bio_err
, "%s: Memory allocation failure\n", prog
);
1393 case OPT_DANE_EE_NO_NAME
:
1394 dane_ee_no_name
= 1;
1396 case OPT_NEXTPROTONEG
:
1397 #ifndef OPENSSL_NO_NEXTPROTONEG
1398 next_proto_neg_in
= opt_arg();
1402 alpn_in
= opt_arg();
1404 case OPT_SERVERINFO
:
1407 for (start
= 0, i
= 0; i
<= len
; ++i
) {
1408 if (i
== len
|| p
[i
] == ',') {
1409 serverinfo_types
[serverinfo_count
] = atoi(p
+ start
);
1410 if (++serverinfo_count
== MAX_SI_TYPES
)
1417 if (!opt_pair(opt_arg(), services
, &starttls_proto
))
1420 case OPT_SERVERNAME
:
1421 servername
= opt_arg();
1423 case OPT_NOSERVERNAME
:
1427 #ifndef OPENSSL_NO_SRTP
1428 srtp_profiles
= opt_arg();
1431 case OPT_KEYMATEXPORT
:
1432 keymatexportlabel
= opt_arg();
1434 case OPT_KEYMATEXPORTLEN
:
1435 keymatexportlen
= atoi(opt_arg());
1440 case OPT_MAXFRAGLEN
:
1441 len
= atoi(opt_arg());
1444 maxfraglen
= TLSEXT_max_fragment_length_512
;
1447 maxfraglen
= TLSEXT_max_fragment_length_1024
;
1450 maxfraglen
= TLSEXT_max_fragment_length_2048
;
1453 maxfraglen
= TLSEXT_max_fragment_length_4096
;
1457 "%s: Max Fragment Len %u is out of permitted values",
1462 case OPT_MAX_SEND_FRAG
:
1463 max_send_fragment
= atoi(opt_arg());
1465 case OPT_SPLIT_SEND_FRAG
:
1466 split_send_fragment
= atoi(opt_arg());
1468 case OPT_MAX_PIPELINES
:
1469 max_pipelines
= atoi(opt_arg());
1472 read_buf_len
= atoi(opt_arg());
1474 case OPT_KEYLOG_FILE
:
1475 keylog_file
= opt_arg();
1477 case OPT_EARLY_DATA
:
1478 early_data_file
= opt_arg();
1485 if (count4or6
>= 2) {
1486 BIO_printf(bio_err
, "%s: Can't use both -4 and -6\n", prog
);
1490 if (servername
!= NULL
) {
1492 "%s: Can't use -servername and -noservername together\n",
1496 if (dane_tlsa_domain
!= NULL
) {
1498 "%s: Can't use -dane_tlsa_domain and -noservername together\n",
1503 argc
= opt_num_rest();
1505 /* If there's a positional argument, it's the equivalent of
1507 * Don't allow -connect and a separate argument.
1509 if (connectstr
!= NULL
) {
1511 "%s: must not provide both -connect option and target parameter\n",
1515 connect_type
= use_inet
;
1516 freeandcopy(&connectstr
, *opt_rest());
1517 } else if (argc
!= 0) {
1521 #ifndef OPENSSL_NO_NEXTPROTONEG
1522 if (min_version
== TLS1_3_VERSION
&& next_proto_neg_in
!= NULL
) {
1523 BIO_printf(bio_err
, "Cannot supply -nextprotoneg with TLSv1.3\n");
1527 if (proxystr
!= NULL
) {
1529 char *tmp_host
= host
, *tmp_port
= port
;
1530 if (connectstr
== NULL
) {
1531 BIO_printf(bio_err
, "%s: -proxy requires use of -connect or target parameter\n", prog
);
1534 res
= BIO_parse_hostserv(proxystr
, &host
, &port
, BIO_PARSE_PRIO_HOST
);
1535 if (tmp_host
!= host
)
1536 OPENSSL_free(tmp_host
);
1537 if (tmp_port
!= port
)
1538 OPENSSL_free(tmp_port
);
1541 "%s: -proxy argument malformed or ambiguous\n", prog
);
1546 char *tmp_host
= host
, *tmp_port
= port
;
1547 if (connectstr
!= NULL
)
1548 res
= BIO_parse_hostserv(connectstr
, &host
, &port
,
1549 BIO_PARSE_PRIO_HOST
);
1550 if (tmp_host
!= host
)
1551 OPENSSL_free(tmp_host
);
1552 if (tmp_port
!= port
)
1553 OPENSSL_free(tmp_port
);
1556 "%s: -connect argument or target parameter malformed or ambiguous\n",
1562 if (bindstr
!= NULL
) {
1564 res
= BIO_parse_hostserv(bindstr
, &bindhost
, &bindport
,
1565 BIO_PARSE_PRIO_HOST
);
1568 "%s: -bind argument parameter malformed or ambiguous\n",
1575 if (socket_family
== AF_UNIX
&& socket_type
!= SOCK_STREAM
) {
1577 "Can't use unix sockets and datagrams together\n");
1582 #ifndef OPENSSL_NO_SCTP
1583 if (protocol
== IPPROTO_SCTP
) {
1584 if (socket_type
!= SOCK_DGRAM
) {
1585 BIO_printf(bio_err
, "Can't use -sctp without DTLS\n");
1588 /* SCTP is unusual. It uses DTLS over a SOCK_STREAM protocol */
1589 socket_type
= SOCK_STREAM
;
1593 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1594 next_proto
.status
= -1;
1595 if (next_proto_neg_in
) {
1597 next_protos_parse(&next_proto
.len
, next_proto_neg_in
);
1598 if (next_proto
.data
== NULL
) {
1599 BIO_printf(bio_err
, "Error parsing -nextprotoneg argument\n");
1603 next_proto
.data
= NULL
;
1606 if (!app_passwd(passarg
, NULL
, &pass
, NULL
)) {
1607 BIO_printf(bio_err
, "Error getting password\n");
1611 if (key_file
== NULL
)
1612 key_file
= cert_file
;
1614 if (key_file
!= NULL
) {
1615 key
= load_key(key_file
, key_format
, 0, pass
, e
,
1616 "client certificate private key file");
1618 ERR_print_errors(bio_err
);
1623 if (cert_file
!= NULL
) {
1624 cert
= load_cert(cert_file
, cert_format
, "client certificate file");
1626 ERR_print_errors(bio_err
);
1631 if (chain_file
!= NULL
) {
1632 if (!load_certs(chain_file
, &chain
, FORMAT_PEM
, NULL
,
1633 "client certificate chain"))
1637 if (crl_file
!= NULL
) {
1639 crl
= load_crl(crl_file
, crl_format
);
1641 BIO_puts(bio_err
, "Error loading CRL\n");
1642 ERR_print_errors(bio_err
);
1645 crls
= sk_X509_CRL_new_null();
1646 if (crls
== NULL
|| !sk_X509_CRL_push(crls
, crl
)) {
1647 BIO_puts(bio_err
, "Error adding CRL\n");
1648 ERR_print_errors(bio_err
);
1654 if (!load_excert(&exc
))
1657 if (bio_c_out
== NULL
) {
1658 if (c_quiet
&& !c_debug
) {
1659 bio_c_out
= BIO_new(BIO_s_null());
1660 if (c_msg
&& bio_c_msg
== NULL
)
1661 bio_c_msg
= dup_bio_out(FORMAT_TEXT
);
1662 } else if (bio_c_out
== NULL
)
1663 bio_c_out
= dup_bio_out(FORMAT_TEXT
);
1665 #ifndef OPENSSL_NO_SRP
1666 if (!app_passwd(srppass
, NULL
, &srp_arg
.srppassin
, NULL
)) {
1667 BIO_printf(bio_err
, "Error getting password\n");
1672 ctx
= SSL_CTX_new(meth
);
1674 ERR_print_errors(bio_err
);
1678 SSL_CTX_clear_mode(ctx
, SSL_MODE_AUTO_RETRY
);
1681 ssl_ctx_security_debug(ctx
, sdebug
);
1683 if (!config_ctx(cctx
, ssl_args
, ctx
))
1686 if (ssl_config
!= NULL
) {
1687 if (SSL_CTX_config(ctx
, ssl_config
) == 0) {
1688 BIO_printf(bio_err
, "Error using configuration \"%s\"\n",
1690 ERR_print_errors(bio_err
);
1695 if (min_version
!= 0
1696 && SSL_CTX_set_min_proto_version(ctx
, min_version
) == 0)
1698 if (max_version
!= 0
1699 && SSL_CTX_set_max_proto_version(ctx
, max_version
) == 0)
1702 if (vpmtouched
&& !SSL_CTX_set1_param(ctx
, vpm
)) {
1703 BIO_printf(bio_err
, "Error setting verify params\n");
1704 ERR_print_errors(bio_err
);
1709 SSL_CTX_set_mode(ctx
, SSL_MODE_ASYNC
);
1712 if (max_send_fragment
> 0
1713 && !SSL_CTX_set_max_send_fragment(ctx
, max_send_fragment
)) {
1714 BIO_printf(bio_err
, "%s: Max send fragment size %u is out of permitted range\n",
1715 prog
, max_send_fragment
);
1719 if (split_send_fragment
> 0
1720 && !SSL_CTX_set_split_send_fragment(ctx
, split_send_fragment
)) {
1721 BIO_printf(bio_err
, "%s: Split send fragment size %u is out of permitted range\n",
1722 prog
, split_send_fragment
);
1726 if (max_pipelines
> 0
1727 && !SSL_CTX_set_max_pipelines(ctx
, max_pipelines
)) {
1728 BIO_printf(bio_err
, "%s: Max pipelines %u is out of permitted range\n",
1729 prog
, max_pipelines
);
1733 if (read_buf_len
> 0) {
1734 SSL_CTX_set_default_read_buffer_len(ctx
, read_buf_len
);
1738 && !SSL_CTX_set_tlsext_max_fragment_length(ctx
, maxfraglen
)) {
1740 "%s: Max Fragment Length code %u is out of permitted values"
1741 "\n", prog
, maxfraglen
);
1745 if (!ssl_load_stores(ctx
, vfyCApath
, vfyCAfile
, chCApath
, chCAfile
,
1746 crls
, crl_download
)) {
1747 BIO_printf(bio_err
, "Error loading store locations\n");
1748 ERR_print_errors(bio_err
);
1751 if (ReqCAfile
!= NULL
) {
1752 STACK_OF(X509_NAME
) *nm
= sk_X509_NAME_new_null();
1754 if (nm
== NULL
|| !SSL_add_file_cert_subjects_to_stack(nm
, ReqCAfile
)) {
1755 sk_X509_NAME_pop_free(nm
, X509_NAME_free
);
1756 BIO_printf(bio_err
, "Error loading CA names\n");
1757 ERR_print_errors(bio_err
);
1760 SSL_CTX_set0_CA_list(ctx
, nm
);
1762 #ifndef OPENSSL_NO_ENGINE
1763 if (ssl_client_engine
) {
1764 if (!SSL_CTX_set_client_cert_engine(ctx
, ssl_client_engine
)) {
1765 BIO_puts(bio_err
, "Error setting client auth engine\n");
1766 ERR_print_errors(bio_err
);
1767 ENGINE_free(ssl_client_engine
);
1770 ENGINE_free(ssl_client_engine
);
1774 #ifndef OPENSSL_NO_PSK
1775 if (psk_key
!= NULL
) {
1777 BIO_printf(bio_c_out
, "PSK key given, setting client callback\n");
1778 SSL_CTX_set_psk_client_callback(ctx
, psk_client_cb
);
1781 if (psksessf
!= NULL
) {
1782 BIO
*stmp
= BIO_new_file(psksessf
, "r");
1785 BIO_printf(bio_err
, "Can't open PSK session file %s\n", psksessf
);
1786 ERR_print_errors(bio_err
);
1789 psksess
= PEM_read_bio_SSL_SESSION(stmp
, NULL
, 0, NULL
);
1791 if (psksess
== NULL
) {
1792 BIO_printf(bio_err
, "Can't read PSK session file %s\n", psksessf
);
1793 ERR_print_errors(bio_err
);
1797 if (psk_key
!= NULL
|| psksess
!= NULL
)
1798 SSL_CTX_set_psk_use_session_callback(ctx
, psk_use_session_cb
);
1800 #ifndef OPENSSL_NO_SRTP
1801 if (srtp_profiles
!= NULL
) {
1802 /* Returns 0 on success! */
1803 if (SSL_CTX_set_tlsext_use_srtp(ctx
, srtp_profiles
) != 0) {
1804 BIO_printf(bio_err
, "Error setting SRTP profile\n");
1805 ERR_print_errors(bio_err
);
1812 ssl_ctx_set_excert(ctx
, exc
);
1814 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1815 if (next_proto
.data
!= NULL
)
1816 SSL_CTX_set_next_proto_select_cb(ctx
, next_proto_cb
, &next_proto
);
1820 unsigned char *alpn
= next_protos_parse(&alpn_len
, alpn_in
);
1823 BIO_printf(bio_err
, "Error parsing -alpn argument\n");
1826 /* Returns 0 on success! */
1827 if (SSL_CTX_set_alpn_protos(ctx
, alpn
, alpn_len
) != 0) {
1828 BIO_printf(bio_err
, "Error setting ALPN\n");
1834 for (i
= 0; i
< serverinfo_count
; i
++) {
1835 if (!SSL_CTX_add_client_custom_ext(ctx
,
1836 serverinfo_types
[i
],
1838 serverinfo_cli_parse_cb
, NULL
)) {
1840 "Warning: Unable to add custom extension %u, skipping\n",
1841 serverinfo_types
[i
]);
1846 SSL_CTX_set_info_callback(ctx
, apps_ssl_info_callback
);
1848 #ifndef OPENSSL_NO_CT
1849 /* Enable SCT processing, without early connection termination */
1850 if (ct_validation
&&
1851 !SSL_CTX_enable_ct(ctx
, SSL_CT_VALIDATION_PERMISSIVE
)) {
1852 ERR_print_errors(bio_err
);
1856 if (!ctx_set_ctlog_list_file(ctx
, ctlog_file
)) {
1857 if (ct_validation
) {
1858 ERR_print_errors(bio_err
);
1863 * If CT validation is not enabled, the log list isn't needed so don't
1864 * show errors or abort. We try to load it regardless because then we
1865 * can show the names of the logs any SCTs came from (SCTs may be seen
1866 * even with validation disabled).
1872 SSL_CTX_set_verify(ctx
, verify
, verify_callback
);
1874 if (!ctx_set_verify_locations(ctx
, CAfile
, CApath
, noCAfile
, noCApath
)) {
1875 ERR_print_errors(bio_err
);
1879 ssl_ctx_add_crls(ctx
, crls
, crl_download
);
1881 if (!set_cert_key_stuff(ctx
, cert
, key
, chain
, build_chain
))
1884 if (!noservername
) {
1885 tlsextcbp
.biodebug
= bio_err
;
1886 SSL_CTX_set_tlsext_servername_callback(ctx
, ssl_servername_cb
);
1887 SSL_CTX_set_tlsext_servername_arg(ctx
, &tlsextcbp
);
1889 # ifndef OPENSSL_NO_SRP
1890 if (srp_arg
.srplogin
) {
1891 if (!srp_lateuser
&& !SSL_CTX_set_srp_username(ctx
, srp_arg
.srplogin
)) {
1892 BIO_printf(bio_err
, "Unable to set SRP username\n");
1895 srp_arg
.msg
= c_msg
;
1896 srp_arg
.debug
= c_debug
;
1897 SSL_CTX_set_srp_cb_arg(ctx
, &srp_arg
);
1898 SSL_CTX_set_srp_client_pwd_callback(ctx
, ssl_give_srp_client_pwd_cb
);
1899 SSL_CTX_set_srp_strength(ctx
, srp_arg
.strength
);
1900 if (c_msg
|| c_debug
|| srp_arg
.amp
== 0)
1901 SSL_CTX_set_srp_verify_param_callback(ctx
,
1902 ssl_srp_verify_param_cb
);
1906 if (dane_tlsa_domain
!= NULL
) {
1907 if (SSL_CTX_dane_enable(ctx
) <= 0) {
1909 "%s: Error enabling DANE TLSA authentication.\n",
1911 ERR_print_errors(bio_err
);
1917 * In TLSv1.3 NewSessionTicket messages arrive after the handshake and can
1918 * come at any time. Therefore we use a callback to write out the session
1919 * when we know about it. This approach works for < TLSv1.3 as well.
1921 if (sess_out
!= NULL
) {
1922 SSL_CTX_set_session_cache_mode(ctx
, SSL_SESS_CACHE_CLIENT
1923 | SSL_SESS_CACHE_NO_INTERNAL_STORE
);
1924 SSL_CTX_sess_set_new_cb(ctx
, new_session_cb
);
1927 if (set_keylog_file(ctx
, keylog_file
))
1935 SSL_force_post_handshake_auth(con
);
1937 if (sess_in
!= NULL
) {
1939 BIO
*stmp
= BIO_new_file(sess_in
, "r");
1941 BIO_printf(bio_err
, "Can't open session file %s\n", sess_in
);
1942 ERR_print_errors(bio_err
);
1945 sess
= PEM_read_bio_SSL_SESSION(stmp
, NULL
, 0, NULL
);
1948 BIO_printf(bio_err
, "Can't open session file %s\n", sess_in
);
1949 ERR_print_errors(bio_err
);
1952 if (!SSL_set_session(con
, sess
)) {
1953 BIO_printf(bio_err
, "Can't set session\n");
1954 ERR_print_errors(bio_err
);
1958 SSL_SESSION_free(sess
);
1962 SSL_set_mode(con
, SSL_MODE_SEND_FALLBACK_SCSV
);
1964 if (!noservername
&& (servername
!= NULL
|| dane_tlsa_domain
== NULL
)) {
1965 if (servername
== NULL
)
1966 servername
= (host
== NULL
) ? "localhost" : host
;
1967 if (!SSL_set_tlsext_host_name(con
, servername
)) {
1968 BIO_printf(bio_err
, "Unable to set TLS servername extension.\n");
1969 ERR_print_errors(bio_err
);
1974 if (dane_tlsa_domain
!= NULL
) {
1975 if (SSL_dane_enable(con
, dane_tlsa_domain
) <= 0) {
1976 BIO_printf(bio_err
, "%s: Error enabling DANE TLSA "
1977 "authentication.\n", prog
);
1978 ERR_print_errors(bio_err
);
1981 if (dane_tlsa_rrset
== NULL
) {
1982 BIO_printf(bio_err
, "%s: DANE TLSA authentication requires at "
1983 "least one -dane_tlsa_rrdata option.\n", prog
);
1986 if (tlsa_import_rrset(con
, dane_tlsa_rrset
) <= 0) {
1987 BIO_printf(bio_err
, "%s: Failed to import any TLSA "
1988 "records.\n", prog
);
1991 if (dane_ee_no_name
)
1992 SSL_dane_set_flags(con
, DANE_FLAG_NO_DANE_EE_NAMECHECKS
);
1993 } else if (dane_tlsa_rrset
!= NULL
) {
1994 BIO_printf(bio_err
, "%s: DANE TLSA authentication requires the "
1995 "-dane_tlsa_domain option.\n", prog
);
2000 if (init_client(&s
, host
, port
, bindhost
, bindport
, socket_family
,
2001 socket_type
, protocol
) == 0) {
2002 BIO_printf(bio_err
, "connect:errno=%d\n", get_last_socket_error());
2006 BIO_printf(bio_c_out
, "CONNECTED(%08X)\n", s
);
2009 if (!BIO_socket_nbio(s
, 1)) {
2010 ERR_print_errors(bio_err
);
2013 BIO_printf(bio_c_out
, "Turned on non blocking io\n");
2015 #ifndef OPENSSL_NO_DTLS
2017 union BIO_sock_info_u peer_info
;
2019 #ifndef OPENSSL_NO_SCTP
2020 if (protocol
== IPPROTO_SCTP
)
2021 sbio
= BIO_new_dgram_sctp(s
, BIO_NOCLOSE
);
2024 sbio
= BIO_new_dgram(s
, BIO_NOCLOSE
);
2026 if ((peer_info
.addr
= BIO_ADDR_new()) == NULL
) {
2027 BIO_printf(bio_err
, "memory allocation failure\n");
2031 if (!BIO_sock_info(s
, BIO_SOCK_INFO_ADDRESS
, &peer_info
)) {
2032 BIO_printf(bio_err
, "getsockname:errno=%d\n",
2033 get_last_socket_error());
2034 BIO_ADDR_free(peer_info
.addr
);
2039 (void)BIO_ctrl_set_connected(sbio
, peer_info
.addr
);
2040 BIO_ADDR_free(peer_info
.addr
);
2041 peer_info
.addr
= NULL
;
2043 if (enable_timeouts
) {
2045 timeout
.tv_usec
= DGRAM_RCV_TIMEOUT
;
2046 BIO_ctrl(sbio
, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT
, 0, &timeout
);
2049 timeout
.tv_usec
= DGRAM_SND_TIMEOUT
;
2050 BIO_ctrl(sbio
, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT
, 0, &timeout
);
2054 if (socket_mtu
< DTLS_get_link_min_mtu(con
)) {
2055 BIO_printf(bio_err
, "MTU too small. Must be at least %ld\n",
2056 DTLS_get_link_min_mtu(con
));
2060 SSL_set_options(con
, SSL_OP_NO_QUERY_MTU
);
2061 if (!DTLS_set_link_mtu(con
, socket_mtu
)) {
2062 BIO_printf(bio_err
, "Failed to set MTU\n");
2067 /* want to do MTU discovery */
2068 BIO_ctrl(sbio
, BIO_CTRL_DGRAM_MTU_DISCOVER
, 0, NULL
);
2071 #endif /* OPENSSL_NO_DTLS */
2072 sbio
= BIO_new_socket(s
, BIO_NOCLOSE
);
2077 test
= BIO_new(BIO_f_nbio_test());
2078 sbio
= BIO_push(test
, sbio
);
2082 BIO_set_callback(sbio
, bio_dump_callback
);
2083 BIO_set_callback_arg(sbio
, (char *)bio_c_out
);
2086 #ifndef OPENSSL_NO_SSL_TRACE
2088 SSL_set_msg_callback(con
, SSL_trace
);
2091 SSL_set_msg_callback(con
, msg_cb
);
2092 SSL_set_msg_callback_arg(con
, bio_c_msg
? bio_c_msg
: bio_c_out
);
2095 if (c_tlsextdebug
) {
2096 SSL_set_tlsext_debug_callback(con
, tlsext_cb
);
2097 SSL_set_tlsext_debug_arg(con
, bio_c_out
);
2099 #ifndef OPENSSL_NO_OCSP
2101 SSL_set_tlsext_status_type(con
, TLSEXT_STATUSTYPE_ocsp
);
2102 SSL_CTX_set_tlsext_status_cb(ctx
, ocsp_resp_cb
);
2103 SSL_CTX_set_tlsext_status_arg(ctx
, bio_c_out
);
2107 SSL_set_bio(con
, sbio
, sbio
);
2108 SSL_set_connect_state(con
);
2110 /* ok, lets connect */
2111 if (fileno_stdin() > SSL_get_fd(con
))
2112 width
= fileno_stdin() + 1;
2114 width
= SSL_get_fd(con
) + 1;
2127 switch ((PROTOCOL_CHOICE
) starttls_proto
) {
2134 * This is an ugly hack that does a lot of assumptions. We do
2135 * have to handle multi-line responses which may come in a single
2136 * packet or not. We therefore have to use BIO_gets() which does
2137 * need a buffering BIO. So during the initial chitchat we do
2138 * push a buffering BIO into the chain that is removed again
2139 * later on to not disturb the rest of the s_client operation.
2142 BIO
*fbio
= BIO_new(BIO_f_buffer());
2144 BIO_push(fbio
, sbio
);
2145 /* Wait for multi-line response to end from LMTP or SMTP */
2147 mbuf_len
= BIO_gets(fbio
, mbuf
, BUFSIZZ
);
2148 } while (mbuf_len
> 3 && mbuf
[3] == '-');
2149 if (protohost
== NULL
)
2150 protohost
= "mail.example.com";
2151 if (starttls_proto
== (int)PROTO_LMTP
)
2152 BIO_printf(fbio
, "LHLO %s\r\n", protohost
);
2154 BIO_printf(fbio
, "EHLO %s\r\n", protohost
);
2155 (void)BIO_flush(fbio
);
2157 * Wait for multi-line response to end LHLO LMTP or EHLO SMTP
2161 mbuf_len
= BIO_gets(fbio
, mbuf
, BUFSIZZ
);
2162 if (strstr(mbuf
, "STARTTLS"))
2164 } while (mbuf_len
> 3 && mbuf
[3] == '-');
2165 (void)BIO_flush(fbio
);
2170 "Didn't find STARTTLS in server response,"
2171 " trying anyway...\n");
2172 BIO_printf(sbio
, "STARTTLS\r\n");
2173 BIO_read(sbio
, sbuf
, BUFSIZZ
);
2178 BIO_read(sbio
, mbuf
, BUFSIZZ
);
2179 BIO_printf(sbio
, "STLS\r\n");
2180 mbuf_len
= BIO_read(sbio
, sbuf
, BUFSIZZ
);
2182 BIO_printf(bio_err
, "BIO_read failed\n");
2190 BIO
*fbio
= BIO_new(BIO_f_buffer());
2192 BIO_push(fbio
, sbio
);
2193 BIO_gets(fbio
, mbuf
, BUFSIZZ
);
2194 /* STARTTLS command requires CAPABILITY... */
2195 BIO_printf(fbio
, ". CAPABILITY\r\n");
2196 (void)BIO_flush(fbio
);
2197 /* wait for multi-line CAPABILITY response */
2199 mbuf_len
= BIO_gets(fbio
, mbuf
, BUFSIZZ
);
2200 if (strstr(mbuf
, "STARTTLS"))
2203 while (mbuf_len
> 3 && mbuf
[0] != '.');
2204 (void)BIO_flush(fbio
);
2209 "Didn't find STARTTLS in server response,"
2210 " trying anyway...\n");
2211 BIO_printf(sbio
, ". STARTTLS\r\n");
2212 BIO_read(sbio
, sbuf
, BUFSIZZ
);
2217 BIO
*fbio
= BIO_new(BIO_f_buffer());
2219 BIO_push(fbio
, sbio
);
2220 /* wait for multi-line response to end from FTP */
2222 mbuf_len
= BIO_gets(fbio
, mbuf
, BUFSIZZ
);
2224 while (mbuf_len
> 3 && mbuf
[3] == '-');
2225 (void)BIO_flush(fbio
);
2228 BIO_printf(sbio
, "AUTH TLS\r\n");
2229 BIO_read(sbio
, sbuf
, BUFSIZZ
);
2233 case PROTO_XMPP_SERVER
:
2236 BIO_printf(sbio
, "<stream:stream "
2237 "xmlns:stream='http://etherx.jabber.org/streams' "
2238 "xmlns='jabber:%s' to='%s' version='1.0'>",
2239 starttls_proto
== PROTO_XMPP
? "client" : "server",
2240 protohost
? protohost
: host
);
2241 seen
= BIO_read(sbio
, mbuf
, BUFSIZZ
);
2243 BIO_printf(bio_err
, "BIO_read failed\n");
2248 (mbuf
, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")
2250 "<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\""))
2252 seen
= BIO_read(sbio
, mbuf
, BUFSIZZ
);
2260 "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
2261 seen
= BIO_read(sbio
, sbuf
, BUFSIZZ
);
2263 BIO_printf(bio_err
, "BIO_read failed\n");
2267 if (!strstr(sbuf
, "<proceed"))
2274 static const unsigned char tls_do
[] = {
2275 /* IAC DO START_TLS */
2278 static const unsigned char tls_will
[] = {
2279 /* IAC WILL START_TLS */
2282 static const unsigned char tls_follows
[] = {
2283 /* IAC SB START_TLS FOLLOWS IAC SE */
2284 255, 250, 46, 1, 255, 240
2288 /* Telnet server should demand we issue START_TLS */
2289 bytes
= BIO_read(sbio
, mbuf
, BUFSIZZ
);
2290 if (bytes
!= 3 || memcmp(mbuf
, tls_do
, 3) != 0)
2292 /* Agree to issue START_TLS and send the FOLLOWS sub-command */
2293 BIO_write(sbio
, tls_will
, 3);
2294 BIO_write(sbio
, tls_follows
, 6);
2295 (void)BIO_flush(sbio
);
2296 /* Telnet server also sent the FOLLOWS sub-command */
2297 bytes
= BIO_read(sbio
, mbuf
, BUFSIZZ
);
2298 if (bytes
!= 6 || memcmp(mbuf
, tls_follows
, 6) != 0)
2305 error_proto
, /* Wrong protocol, not even HTTP */
2306 error_connect
, /* CONNECT failed */
2308 } foundit
= error_connect
;
2309 BIO
*fbio
= BIO_new(BIO_f_buffer());
2311 BIO_push(fbio
, sbio
);
2312 BIO_printf(fbio
, "CONNECT %s HTTP/1.0\r\n\r\n", connectstr
);
2313 (void)BIO_flush(fbio
);
2315 * The first line is the HTTP response. According to RFC 7230,
2316 * it's formated exactly like this:
2318 * HTTP/d.d ddd Reason text\r\n
2320 mbuf_len
= BIO_gets(fbio
, mbuf
, BUFSIZZ
);
2321 if (mbuf_len
< (int)strlen("HTTP/1.0 200")) {
2323 "%s: HTTP CONNECT failed, insufficient response "
2324 "from proxy (got %d octets)\n", prog
, mbuf_len
);
2325 (void)BIO_flush(fbio
);
2330 if (mbuf
[8] != ' ') {
2332 "%s: HTTP CONNECT failed, incorrect response "
2333 "from proxy\n", prog
);
2334 foundit
= error_proto
;
2335 } else if (mbuf
[9] != '2') {
2336 BIO_printf(bio_err
, "%s: HTTP CONNECT failed: %s ", prog
,
2341 if (foundit
!= error_proto
) {
2342 /* Read past all following headers */
2344 mbuf_len
= BIO_gets(fbio
, mbuf
, BUFSIZZ
);
2345 } while (mbuf_len
> 2);
2347 (void)BIO_flush(fbio
);
2350 if (foundit
!= success
) {
2358 BIO
*fbio
= BIO_new(BIO_f_buffer());
2360 BIO_push(fbio
, sbio
);
2361 BIO_printf(fbio
, "STARTTLS\r\n");
2362 (void)BIO_flush(fbio
);
2363 width
= SSL_get_fd(con
) + 1;
2369 openssl_fdset(SSL_get_fd(con
), &readfds
);
2370 timeout
.tv_sec
= S_CLIENT_IRC_READ_TIMEOUT
;
2371 timeout
.tv_usec
= 0;
2373 * If the IRCd doesn't respond within
2374 * S_CLIENT_IRC_READ_TIMEOUT seconds, assume
2375 * it doesn't support STARTTLS. Many IRCds
2376 * will not give _any_ sort of response to a
2377 * STARTTLS command when it's not supported.
2379 if (!BIO_get_buffer_num_lines(fbio
)
2380 && !BIO_pending(fbio
)
2381 && !BIO_pending(sbio
)
2382 && select(width
, (void *)&readfds
, NULL
, NULL
,
2385 "Timeout waiting for response (%d seconds).\n",
2386 S_CLIENT_IRC_READ_TIMEOUT
);
2390 mbuf_len
= BIO_gets(fbio
, mbuf
, BUFSIZZ
);
2391 if (mbuf_len
< 1 || sscanf(mbuf
, "%*s %d", &numeric
) != 1)
2393 /* :example.net 451 STARTTLS :You have not registered */
2394 /* :example.net 421 STARTTLS :Unknown command */
2395 if ((numeric
== 451 || numeric
== 421)
2396 && strstr(mbuf
, "STARTTLS") != NULL
) {
2397 BIO_printf(bio_err
, "STARTTLS not supported: %s", mbuf
);
2400 if (numeric
== 691) {
2401 BIO_printf(bio_err
, "STARTTLS negotiation failed: ");
2402 ERR_print_errors(bio_err
);
2405 } while (numeric
!= 670);
2407 (void)BIO_flush(fbio
);
2410 if (numeric
!= 670) {
2411 BIO_printf(bio_err
, "Server does not support STARTTLS.\n");
2419 /* SSL request packet */
2420 static const unsigned char ssl_req
[] = {
2421 /* payload_length, sequence_id */
2422 0x20, 0x00, 0x00, 0x01,
2424 /* capability flags, CLIENT_SSL always set */
2425 0x85, 0xae, 0x7f, 0x00,
2426 /* max-packet size */
2427 0x00, 0x00, 0x00, 0x01,
2430 /* string[23] reserved (all [0]) */
2431 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
2432 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
2433 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
2436 int ssl_flg
= 0x800;
2438 const unsigned char *packet
= (const unsigned char *)sbuf
;
2440 /* Receiving Initial Handshake packet. */
2441 bytes
= BIO_read(sbio
, (void *)packet
, BUFSIZZ
);
2443 BIO_printf(bio_err
, "BIO_read failed\n");
2445 /* Packet length[3], Packet number[1] + minimum payload[17] */
2446 } else if (bytes
< 21) {
2447 BIO_printf(bio_err
, "MySQL packet too short.\n");
2449 } else if (bytes
!= (4 + packet
[0] +
2451 (packet
[2] << 16))) {
2452 BIO_printf(bio_err
, "MySQL packet length does not match.\n");
2454 /* protocol version[1] */
2455 } else if (packet
[4] != 0xA) {
2457 "Only MySQL protocol version 10 is supported.\n");
2462 /* server version[string+NULL] */
2465 BIO_printf(bio_err
, "Cannot confirm server version. ");
2467 } else if (packet
[pos
++] == '\0') {
2472 /* make sure we have at least 15 bytes left in the packet */
2473 if (pos
+ 15 > bytes
) {
2475 "MySQL server handshake packet is broken.\n");
2479 pos
+= 12; /* skip over conn id[4] + SALT[8] */
2480 if (packet
[pos
++] != '\0') { /* verify filler */
2482 "MySQL packet is broken.\n");
2486 /* capability flags[2] */
2487 if (!((packet
[pos
] + (packet
[pos
+ 1] << 8)) & ssl_flg
)) {
2488 BIO_printf(bio_err
, "MySQL server does not support SSL.\n");
2492 /* Sending SSL Handshake packet. */
2493 BIO_write(sbio
, ssl_req
, sizeof(ssl_req
));
2494 (void)BIO_flush(sbio
);
2497 case PROTO_POSTGRES
:
2499 static const unsigned char ssl_request
[] = {
2500 /* Length SSLRequest */
2501 0, 0, 0, 8, 4, 210, 22, 47
2505 /* Send SSLRequest packet */
2506 BIO_write(sbio
, ssl_request
, 8);
2507 (void)BIO_flush(sbio
);
2509 /* Reply will be a single S if SSL is enabled */
2510 bytes
= BIO_read(sbio
, sbuf
, BUFSIZZ
);
2511 if (bytes
!= 1 || sbuf
[0] != 'S')
2518 BIO
*fbio
= BIO_new(BIO_f_buffer());
2520 BIO_push(fbio
, sbio
);
2521 BIO_gets(fbio
, mbuf
, BUFSIZZ
);
2522 /* STARTTLS command requires CAPABILITIES... */
2523 BIO_printf(fbio
, "CAPABILITIES\r\n");
2524 (void)BIO_flush(fbio
);
2525 /* wait for multi-line CAPABILITIES response */
2527 mbuf_len
= BIO_gets(fbio
, mbuf
, BUFSIZZ
);
2528 if (strstr(mbuf
, "STARTTLS"))
2530 } while (mbuf_len
> 1 && mbuf
[0] != '.');
2531 (void)BIO_flush(fbio
);
2536 "Didn't find STARTTLS in server response,"
2537 " trying anyway...\n");
2538 BIO_printf(sbio
, "STARTTLS\r\n");
2539 mbuf_len
= BIO_read(sbio
, mbuf
, BUFSIZZ
);
2541 BIO_printf(bio_err
, "BIO_read failed\n");
2544 mbuf
[mbuf_len
] = '\0';
2545 if (strstr(mbuf
, "382") == NULL
) {
2546 BIO_printf(bio_err
, "STARTTLS failed: %s", mbuf
);
2554 BIO
*fbio
= BIO_new(BIO_f_buffer());
2556 BIO_push(fbio
, sbio
);
2557 /* wait for multi-line response to end from Sieve */
2559 mbuf_len
= BIO_gets(fbio
, mbuf
, BUFSIZZ
);
2561 * According to RFC 5804 § 1.7, capability
2562 * is case-insensitive, make it uppercase
2564 if (mbuf_len
> 1 && mbuf
[0] == '"') {
2565 make_uppercase(mbuf
);
2566 if (strncmp(mbuf
, "\"STARTTLS\"", 10) == 0)
2569 } while (mbuf_len
> 1 && mbuf
[0] == '"');
2570 (void)BIO_flush(fbio
);
2575 "Didn't find STARTTLS in server response,"
2576 " trying anyway...\n");
2577 BIO_printf(sbio
, "STARTTLS\r\n");
2578 mbuf_len
= BIO_read(sbio
, mbuf
, BUFSIZZ
);
2580 BIO_printf(bio_err
, "BIO_read failed\n");
2583 mbuf
[mbuf_len
] = '\0';
2585 BIO_printf(bio_err
, "STARTTLS failed: %s", mbuf
);
2589 * According to RFC 5804 § 2.2, response codes are case-
2590 * insensitive, make it uppercase but preserve the response.
2592 strncpy(sbuf
, mbuf
, 2);
2593 make_uppercase(sbuf
);
2594 if (strncmp(sbuf
, "OK", 2) != 0) {
2595 BIO_printf(bio_err
, "STARTTLS not supported: %s", mbuf
);
2602 /* StartTLS Operation according to RFC 4511 */
2603 static char ldap_tls_genconf
[] = "asn1=SEQUENCE:LDAPMessage\n"
2605 "messageID=INTEGER:1\n"
2606 "extendedReq=EXPLICIT:23A,IMPLICIT:0C,"
2607 "FORMAT:ASCII,OCT:1.3.6.1.4.1.1466.20037\n";
2609 char *genstr
= NULL
;
2611 ASN1_TYPE
*atyp
= NULL
;
2612 BIO
*ldapbio
= BIO_new(BIO_s_mem());
2613 CONF
*cnf
= NCONF_new(NULL
);
2619 BIO_puts(ldapbio
, ldap_tls_genconf
);
2620 if (NCONF_load_bio(cnf
, ldapbio
, &errline
) <= 0) {
2624 BIO_printf(bio_err
, "NCONF_load_bio failed\n");
2627 BIO_printf(bio_err
, "Error on line %ld\n", errline
);
2632 genstr
= NCONF_get_string(cnf
, "default", "asn1");
2633 if (genstr
== NULL
) {
2635 BIO_printf(bio_err
, "NCONF_get_string failed\n");
2638 atyp
= ASN1_generate_nconf(genstr
, cnf
);
2641 BIO_printf(bio_err
, "ASN1_generate_nconf failed\n");
2646 /* Send SSLRequest packet */
2647 BIO_write(sbio
, atyp
->value
.sequence
->data
,
2648 atyp
->value
.sequence
->length
);
2649 (void)BIO_flush(sbio
);
2650 ASN1_TYPE_free(atyp
);
2652 mbuf_len
= BIO_read(sbio
, mbuf
, BUFSIZZ
);
2654 BIO_printf(bio_err
, "BIO_read failed\n");
2657 result
= ldap_ExtendedResponse_parse(mbuf
, mbuf_len
);
2659 BIO_printf(bio_err
, "ldap_ExtendedResponse_parse failed\n");
2661 } else if (result
> 0) {
2662 BIO_printf(bio_err
, "STARTTLS failed, LDAP Result Code: %i\n",
2671 if (early_data_file
!= NULL
2672 && ((SSL_get0_session(con
) != NULL
2673 && SSL_SESSION_get_max_early_data(SSL_get0_session(con
)) > 0)
2675 && SSL_SESSION_get_max_early_data(psksess
) > 0))) {
2676 BIO
*edfile
= BIO_new_file(early_data_file
, "r");
2677 size_t readbytes
, writtenbytes
;
2680 if (edfile
== NULL
) {
2681 BIO_printf(bio_err
, "Cannot open early data file\n");
2686 if (!BIO_read_ex(edfile
, cbuf
, BUFSIZZ
, &readbytes
))
2689 while (!SSL_write_early_data(con
, cbuf
, readbytes
, &writtenbytes
)) {
2690 switch (SSL_get_error(con
, 0)) {
2691 case SSL_ERROR_WANT_WRITE
:
2692 case SSL_ERROR_WANT_ASYNC
:
2693 case SSL_ERROR_WANT_READ
:
2694 /* Just keep trying - busy waiting */
2697 BIO_printf(bio_err
, "Error writing early data\n");
2699 ERR_print_errors(bio_err
);
2712 if (SSL_is_dtls(con
) && DTLSv1_get_timeout(con
, &timeout
))
2713 timeoutp
= &timeout
;
2717 if (!SSL_is_init_finished(con
) && SSL_total_renegotiations(con
) == 0
2718 && SSL_get_key_update_type(con
) == SSL_KEY_UPDATE_NONE
) {
2727 BIO_puts(bio_err
, "CONNECTION ESTABLISHED\n");
2728 print_ssl_summary(con
);
2731 print_stuff(bio_c_out
, con
, full_log
);
2735 if (starttls_proto
) {
2736 BIO_write(bio_err
, mbuf
, mbuf_len
);
2737 /* We don't need to know any more */
2739 starttls_proto
= PROTO_OFF
;
2744 BIO_printf(bio_c_out
,
2745 "drop connection and then reconnect\n");
2746 do_ssl_shutdown(con
);
2747 SSL_set_connect_state(con
);
2748 BIO_closesocket(SSL_get_fd(con
));
2754 ssl_pending
= read_ssl
&& SSL_has_pending(con
);
2757 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
2760 * Note that select() returns when read _would not block_,
2761 * and EOF satisfies that. To avoid a CPU-hogging loop,
2762 * set the flag so we exit.
2764 if (read_tty
&& !at_eof
)
2765 openssl_fdset(fileno_stdin(), &readfds
);
2766 #if !defined(OPENSSL_SYS_VMS)
2768 openssl_fdset(fileno_stdout(), &writefds
);
2772 openssl_fdset(SSL_get_fd(con
), &readfds
);
2774 openssl_fdset(SSL_get_fd(con
), &writefds
);
2776 if (!tty_on
|| !write_tty
) {
2778 openssl_fdset(SSL_get_fd(con
), &readfds
);
2780 openssl_fdset(SSL_get_fd(con
), &writefds
);
2785 * Note: under VMS with SOCKETSHR the second parameter is
2786 * currently of type (int *) whereas under other systems it is
2787 * (void *) if you don't have a cast it will choke the compiler:
2788 * if you do have a cast then you can either go for (int *) or
2791 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2793 * Under Windows/DOS we make the assumption that we can always
2794 * write to the tty: therefore if we need to write to the tty we
2795 * just fall through. Otherwise we timeout the select every
2796 * second and see if there are any keypresses. Note: this is a
2797 * hack, in a proper Windows application we wouldn't do this.
2804 i
= select(width
, (void *)&readfds
, (void *)&writefds
,
2806 if (!i
&& (!has_stdin_waiting() || !read_tty
))
2809 i
= select(width
, (void *)&readfds
, (void *)&writefds
,
2813 i
= select(width
, (void *)&readfds
, (void *)&writefds
,
2817 BIO_printf(bio_err
, "bad select %d\n",
2818 get_last_socket_error());
2823 if (SSL_is_dtls(con
) && DTLSv1_handle_timeout(con
) > 0)
2824 BIO_printf(bio_err
, "TIMEOUT occurred\n");
2826 if (!ssl_pending
&& FD_ISSET(SSL_get_fd(con
), &writefds
)) {
2827 k
= SSL_write(con
, &(cbuf
[cbuf_off
]), (unsigned int)cbuf_len
);
2828 switch (SSL_get_error(con
, k
)) {
2829 case SSL_ERROR_NONE
:
2834 /* we have done a write(con,NULL,0); */
2835 if (cbuf_len
<= 0) {
2838 } else { /* if (cbuf_len > 0) */
2844 case SSL_ERROR_WANT_WRITE
:
2845 BIO_printf(bio_c_out
, "write W BLOCK\n");
2849 case SSL_ERROR_WANT_ASYNC
:
2850 BIO_printf(bio_c_out
, "write A BLOCK\n");
2851 wait_for_async(con
);
2855 case SSL_ERROR_WANT_READ
:
2856 BIO_printf(bio_c_out
, "write R BLOCK\n");
2861 case SSL_ERROR_WANT_X509_LOOKUP
:
2862 BIO_printf(bio_c_out
, "write X BLOCK\n");
2864 case SSL_ERROR_ZERO_RETURN
:
2865 if (cbuf_len
!= 0) {
2866 BIO_printf(bio_c_out
, "shutdown\n");
2875 case SSL_ERROR_SYSCALL
:
2876 if ((k
!= 0) || (cbuf_len
!= 0)) {
2877 BIO_printf(bio_err
, "write:errno=%d\n",
2878 get_last_socket_error());
2885 case SSL_ERROR_WANT_ASYNC_JOB
:
2886 /* This shouldn't ever happen in s_client - treat as an error */
2888 ERR_print_errors(bio_err
);
2892 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_VMS)
2893 /* Assume Windows/DOS/BeOS can always write */
2894 else if (!ssl_pending
&& write_tty
)
2896 else if (!ssl_pending
&& FD_ISSET(fileno_stdout(), &writefds
))
2899 #ifdef CHARSET_EBCDIC
2900 ascii2ebcdic(&(sbuf
[sbuf_off
]), &(sbuf
[sbuf_off
]), sbuf_len
);
2902 i
= raw_write_stdout(&(sbuf
[sbuf_off
]), sbuf_len
);
2905 BIO_printf(bio_c_out
, "DONE\n");
2912 if (sbuf_len
<= 0) {
2916 } else if (ssl_pending
|| FD_ISSET(SSL_get_fd(con
), &readfds
)) {
2921 SSL_renegotiate(con
);
2926 k
= SSL_read(con
, sbuf
, 1024 /* BUFSIZZ */ );
2928 switch (SSL_get_error(con
, k
)) {
2929 case SSL_ERROR_NONE
:
2938 case SSL_ERROR_WANT_ASYNC
:
2939 BIO_printf(bio_c_out
, "read A BLOCK\n");
2940 wait_for_async(con
);
2943 if ((read_tty
== 0) && (write_ssl
== 0))
2946 case SSL_ERROR_WANT_WRITE
:
2947 BIO_printf(bio_c_out
, "read W BLOCK\n");
2951 case SSL_ERROR_WANT_READ
:
2952 BIO_printf(bio_c_out
, "read R BLOCK\n");
2955 if ((read_tty
== 0) && (write_ssl
== 0))
2958 case SSL_ERROR_WANT_X509_LOOKUP
:
2959 BIO_printf(bio_c_out
, "read X BLOCK\n");
2961 case SSL_ERROR_SYSCALL
:
2962 ret
= get_last_socket_error();
2964 BIO_puts(bio_err
, "CONNECTION CLOSED BY SERVER\n");
2966 BIO_printf(bio_err
, "read:errno=%d\n", ret
);
2968 case SSL_ERROR_ZERO_RETURN
:
2969 BIO_printf(bio_c_out
, "closed\n");
2972 case SSL_ERROR_WANT_ASYNC_JOB
:
2973 /* This shouldn't ever happen in s_client. Treat as an error */
2975 ERR_print_errors(bio_err
);
2979 /* OPENSSL_SYS_MSDOS includes OPENSSL_SYS_WINDOWS */
2980 #if defined(OPENSSL_SYS_MSDOS)
2981 else if (has_stdin_waiting())
2983 else if (FD_ISSET(fileno_stdin(), &readfds
))
2989 i
= raw_read_stdin(cbuf
, BUFSIZZ
/ 2);
2991 /* both loops are skipped when i <= 0 */
2992 for (j
= 0; j
< i
; j
++)
2993 if (cbuf
[j
] == '\n')
2995 for (j
= i
- 1; j
>= 0; j
--) {
2996 cbuf
[j
+ lf_num
] = cbuf
[j
];
2997 if (cbuf
[j
] == '\n') {
3000 cbuf
[j
+ lf_num
] = '\r';
3003 assert(lf_num
== 0);
3005 i
= raw_read_stdin(cbuf
, BUFSIZZ
);
3006 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
3011 if ((!c_ign_eof
) && ((i
<= 0) || (cbuf
[0] == 'Q' && cmdletters
))) {
3012 BIO_printf(bio_err
, "DONE\n");
3017 if ((!c_ign_eof
) && (cbuf
[0] == 'R' && cmdletters
)) {
3018 BIO_printf(bio_err
, "RENEGOTIATING\n");
3019 SSL_renegotiate(con
);
3023 if (!c_ign_eof
&& (cbuf
[0] == 'K' || cbuf
[0] == 'k' )
3025 BIO_printf(bio_err
, "KEYUPDATE\n");
3027 cbuf
[0] == 'K' ? SSL_KEY_UPDATE_REQUESTED
3028 : SSL_KEY_UPDATE_NOT_REQUESTED
);
3031 #ifndef OPENSSL_NO_HEARTBEATS
3032 else if ((!c_ign_eof
) && (cbuf
[0] == 'B' && cmdletters
)) {
3033 BIO_printf(bio_err
, "HEARTBEATING\n");
3041 #ifdef CHARSET_EBCDIC
3042 ebcdic2ascii(cbuf
, cbuf
, i
);
3054 print_stuff(bio_c_out
, con
, full_log
);
3055 do_ssl_shutdown(con
);
3058 * If we ended with an alert being sent, but still with data in the
3059 * network buffer to be read, then calling BIO_closesocket() will
3060 * result in a TCP-RST being sent. On some platforms (notably
3061 * Windows) then this will result in the peer immediately abandoning
3062 * the connection including any buffered alert data before it has
3063 * had a chance to be read. Shutting down the sending side first,
3064 * and then closing the socket sends TCP-FIN first followed by
3065 * TCP-RST. This seems to allow the peer to read the alert data.
3067 shutdown(SSL_get_fd(con
), 1); /* SHUT_WR */
3069 * We just said we have nothing else to say, but it doesn't mean that
3070 * the other side has nothing. It's even recommended to consume incoming
3071 * data. [In testing context this ensures that alerts are passed on...]
3074 timeout
.tv_usec
= 500000; /* some extreme round-trip */
3077 openssl_fdset(s
, &readfds
);
3078 } while (select(s
+ 1, &readfds
, NULL
, NULL
, &timeout
) > 0
3079 && BIO_read(sbio
, sbuf
, BUFSIZZ
) > 0);
3081 BIO_closesocket(SSL_get_fd(con
));
3085 print_stuff(bio_c_out
, con
, 1);
3088 SSL_SESSION_free(psksess
);
3089 #if !defined(OPENSSL_NO_NEXTPROTONEG)
3090 OPENSSL_free(next_proto
.data
);
3093 set_keylog_file(NULL
, NULL
);
3095 sk_X509_CRL_pop_free(crls
, X509_CRL_free
);
3097 sk_X509_pop_free(chain
, X509_free
);
3099 #ifndef OPENSSL_NO_SRP
3100 OPENSSL_free(srp_arg
.srppassin
);
3102 OPENSSL_free(connectstr
);
3103 OPENSSL_free(bindstr
);
3106 X509_VERIFY_PARAM_free(vpm
);
3107 ssl_excert_free(exc
);
3108 sk_OPENSSL_STRING_free(ssl_args
);
3109 sk_OPENSSL_STRING_free(dane_tlsa_rrset
);
3110 SSL_CONF_CTX_free(cctx
);
3111 OPENSSL_clear_free(cbuf
, BUFSIZZ
);
3112 OPENSSL_clear_free(sbuf
, BUFSIZZ
);
3113 OPENSSL_clear_free(mbuf
, BUFSIZZ
);
3115 BIO_free(bio_c_out
);
3117 BIO_free(bio_c_msg
);
3122 static void print_stuff(BIO
*bio
, SSL
*s
, int full
)
3126 const SSL_CIPHER
*c
;
3128 #ifndef OPENSSL_NO_COMP
3129 const COMP_METHOD
*comp
, *expansion
;
3131 unsigned char *exportedkeymat
;
3132 #ifndef OPENSSL_NO_CT
3133 const SSL_CTX
*ctx
= SSL_get_SSL_CTX(s
);
3137 int got_a_chain
= 0;
3139 sk
= SSL_get_peer_cert_chain(s
);
3143 BIO_printf(bio
, "---\nCertificate chain\n");
3144 for (i
= 0; i
< sk_X509_num(sk
); i
++) {
3145 BIO_printf(bio
, "%2d s:", i
);
3146 X509_NAME_print_ex(bio
, X509_get_subject_name(sk_X509_value(sk
, i
)), 0, get_nameopt());
3147 BIO_puts(bio
, "\n");
3148 BIO_printf(bio
, " i:");
3149 X509_NAME_print_ex(bio
, X509_get_issuer_name(sk_X509_value(sk
, i
)), 0, get_nameopt());
3150 BIO_puts(bio
, "\n");
3152 PEM_write_bio_X509(bio
, sk_X509_value(sk
, i
));
3156 BIO_printf(bio
, "---\n");
3157 peer
= SSL_get_peer_certificate(s
);
3159 BIO_printf(bio
, "Server certificate\n");
3161 /* Redundant if we showed the whole chain */
3162 if (!(c_showcerts
&& got_a_chain
))
3163 PEM_write_bio_X509(bio
, peer
);
3164 dump_cert_text(bio
, peer
);
3166 BIO_printf(bio
, "no peer certificate available\n");
3168 print_ca_names(bio
, s
);
3170 ssl_print_sigalgs(bio
, s
);
3171 ssl_print_tmp_key(bio
, s
);
3173 #ifndef OPENSSL_NO_CT
3175 * When the SSL session is anonymous, or resumed via an abbreviated
3176 * handshake, no SCTs are provided as part of the handshake. While in
3177 * a resumed session SCTs may be present in the session's certificate,
3178 * no callbacks are invoked to revalidate these, and in any case that
3179 * set of SCTs may be incomplete. Thus it makes little sense to
3180 * attempt to display SCTs from a resumed session's certificate, and of
3181 * course none are associated with an anonymous peer.
3183 if (peer
!= NULL
&& !SSL_session_reused(s
) && SSL_ct_is_enabled(s
)) {
3184 const STACK_OF(SCT
) *scts
= SSL_get0_peer_scts(s
);
3185 int sct_count
= scts
!= NULL
? sk_SCT_num(scts
) : 0;
3187 BIO_printf(bio
, "---\nSCTs present (%i)\n", sct_count
);
3188 if (sct_count
> 0) {
3189 const CTLOG_STORE
*log_store
= SSL_CTX_get0_ctlog_store(ctx
);
3191 BIO_printf(bio
, "---\n");
3192 for (i
= 0; i
< sct_count
; ++i
) {
3193 SCT
*sct
= sk_SCT_value(scts
, i
);
3195 BIO_printf(bio
, "SCT validation status: %s\n",
3196 SCT_validation_status_string(sct
));
3197 SCT_print(sct
, bio
, 0, log_store
);
3198 if (i
< sct_count
- 1)
3199 BIO_printf(bio
, "\n---\n");
3201 BIO_printf(bio
, "\n");
3207 "---\nSSL handshake has read %ju bytes "
3208 "and written %ju bytes\n",
3209 BIO_number_read(SSL_get_rbio(s
)),
3210 BIO_number_written(SSL_get_wbio(s
)));
3212 print_verify_detail(s
, bio
);
3213 BIO_printf(bio
, (SSL_session_reused(s
) ? "---\nReused, " : "---\nNew, "));
3214 c
= SSL_get_current_cipher(s
);
3215 BIO_printf(bio
, "%s, Cipher is %s\n",
3216 SSL_CIPHER_get_version(c
), SSL_CIPHER_get_name(c
));
3220 pktmp
= X509_get0_pubkey(peer
);
3221 BIO_printf(bio
, "Server public key is %d bit\n",
3222 EVP_PKEY_bits(pktmp
));
3224 BIO_printf(bio
, "Secure Renegotiation IS%s supported\n",
3225 SSL_get_secure_renegotiation_support(s
) ? "" : " NOT");
3226 #ifndef OPENSSL_NO_COMP
3227 comp
= SSL_get_current_compression(s
);
3228 expansion
= SSL_get_current_expansion(s
);
3229 BIO_printf(bio
, "Compression: %s\n",
3230 comp
? SSL_COMP_get_name(comp
) : "NONE");
3231 BIO_printf(bio
, "Expansion: %s\n",
3232 expansion
? SSL_COMP_get_name(expansion
) : "NONE");
3237 /* Print out local port of connection: useful for debugging */
3239 union BIO_sock_info_u info
;
3241 sock
= SSL_get_fd(s
);
3242 if ((info
.addr
= BIO_ADDR_new()) != NULL
3243 && BIO_sock_info(sock
, BIO_SOCK_INFO_ADDRESS
, &info
)) {
3244 BIO_printf(bio_c_out
, "LOCAL PORT is %u\n",
3245 ntohs(BIO_ADDR_rawport(info
.addr
)));
3247 BIO_ADDR_free(info
.addr
);
3251 #if !defined(OPENSSL_NO_NEXTPROTONEG)
3252 if (next_proto
.status
!= -1) {
3253 const unsigned char *proto
;
3254 unsigned int proto_len
;
3255 SSL_get0_next_proto_negotiated(s
, &proto
, &proto_len
);
3256 BIO_printf(bio
, "Next protocol: (%d) ", next_proto
.status
);
3257 BIO_write(bio
, proto
, proto_len
);
3258 BIO_write(bio
, "\n", 1);
3262 const unsigned char *proto
;
3263 unsigned int proto_len
;
3264 SSL_get0_alpn_selected(s
, &proto
, &proto_len
);
3265 if (proto_len
> 0) {
3266 BIO_printf(bio
, "ALPN protocol: ");
3267 BIO_write(bio
, proto
, proto_len
);
3268 BIO_write(bio
, "\n", 1);
3270 BIO_printf(bio
, "No ALPN negotiated\n");
3273 #ifndef OPENSSL_NO_SRTP
3275 SRTP_PROTECTION_PROFILE
*srtp_profile
=
3276 SSL_get_selected_srtp_profile(s
);
3279 BIO_printf(bio
, "SRTP Extension negotiated, profile=%s\n",
3280 srtp_profile
->name
);
3284 if (SSL_version(s
) == TLS1_3_VERSION
) {
3285 switch (SSL_get_early_data_status(s
)) {
3286 case SSL_EARLY_DATA_NOT_SENT
:
3287 BIO_printf(bio
, "Early data was not sent\n");
3290 case SSL_EARLY_DATA_REJECTED
:
3291 BIO_printf(bio
, "Early data was rejected\n");
3294 case SSL_EARLY_DATA_ACCEPTED
:
3295 BIO_printf(bio
, "Early data was accepted\n");
3301 SSL_SESSION_print(bio
, SSL_get_session(s
));
3302 if (SSL_get_session(s
) != NULL
&& keymatexportlabel
!= NULL
) {
3303 BIO_printf(bio
, "Keying material exporter:\n");
3304 BIO_printf(bio
, " Label: '%s'\n", keymatexportlabel
);
3305 BIO_printf(bio
, " Length: %i bytes\n", keymatexportlen
);
3306 exportedkeymat
= app_malloc(keymatexportlen
, "export key");
3307 if (!SSL_export_keying_material(s
, exportedkeymat
,
3310 strlen(keymatexportlabel
),
3312 BIO_printf(bio
, " Error\n");
3314 BIO_printf(bio
, " Keying material: ");
3315 for (i
= 0; i
< keymatexportlen
; i
++)
3316 BIO_printf(bio
, "%02X", exportedkeymat
[i
]);
3317 BIO_printf(bio
, "\n");
3319 OPENSSL_free(exportedkeymat
);
3321 BIO_printf(bio
, "---\n");
3323 /* flush, or debugging output gets mixed with http response */
3324 (void)BIO_flush(bio
);
3327 # ifndef OPENSSL_NO_OCSP
3328 static int ocsp_resp_cb(SSL
*s
, void *arg
)
3330 const unsigned char *p
;
3333 len
= SSL_get_tlsext_status_ocsp_resp(s
, &p
);
3334 BIO_puts(arg
, "OCSP response: ");
3336 BIO_puts(arg
, "no response sent\n");
3339 rsp
= d2i_OCSP_RESPONSE(NULL
, &p
, len
);
3341 BIO_puts(arg
, "response parse error\n");
3342 BIO_dump_indent(arg
, (char *)p
, len
, 4);
3345 BIO_puts(arg
, "\n======================================\n");
3346 OCSP_RESPONSE_print(arg
, rsp
, 0);
3347 BIO_puts(arg
, "======================================\n");
3348 OCSP_RESPONSE_free(rsp
);
3353 static int ldap_ExtendedResponse_parse(const char *buf
, long rem
)
3355 const unsigned char *cur
, *end
;
3357 int tag
, xclass
, inf
, ret
= -1;
3359 cur
= (const unsigned char *)buf
;
3365 * LDAPMessage ::= SEQUENCE {
3366 * messageID MessageID,
3367 * protocolOp CHOICE {
3369 * extendedResp ExtendedResponse,
3371 * controls [0] Controls OPTIONAL }
3373 * ExtendedResponse ::= [APPLICATION 24] SEQUENCE {
3374 * COMPONENTS OF LDAPResult,
3375 * responseName [10] LDAPOID OPTIONAL,
3376 * responseValue [11] OCTET STRING OPTIONAL }
3378 * LDAPResult ::= SEQUENCE {
3379 * resultCode ENUMERATED {
3385 * diagnosticMessage LDAPString,
3386 * referral [3] Referral OPTIONAL }
3390 inf
= ASN1_get_object(&cur
, &len
, &tag
, &xclass
, rem
);
3391 if (inf
!= V_ASN1_CONSTRUCTED
|| tag
!= V_ASN1_SEQUENCE
||
3392 (rem
= end
- cur
, len
> rem
)) {
3393 BIO_printf(bio_err
, "Unexpected LDAP response\n");
3397 rem
= len
; /* ensure that we don't overstep the SEQUENCE */
3399 /* pull MessageID */
3400 inf
= ASN1_get_object(&cur
, &len
, &tag
, &xclass
, rem
);
3401 if (inf
!= V_ASN1_UNIVERSAL
|| tag
!= V_ASN1_INTEGER
||
3402 (rem
= end
- cur
, len
> rem
)) {
3403 BIO_printf(bio_err
, "No MessageID\n");
3407 cur
+= len
; /* shall we check for MessageId match or just skip? */
3409 /* pull [APPLICATION 24] */
3411 inf
= ASN1_get_object(&cur
, &len
, &tag
, &xclass
, rem
);
3412 if (inf
!= V_ASN1_CONSTRUCTED
|| xclass
!= V_ASN1_APPLICATION
||
3414 BIO_printf(bio_err
, "Not ExtendedResponse\n");
3418 /* pull resultCode */
3420 inf
= ASN1_get_object(&cur
, &len
, &tag
, &xclass
, rem
);
3421 if (inf
!= V_ASN1_UNIVERSAL
|| tag
!= V_ASN1_ENUMERATED
|| len
== 0 ||
3422 (rem
= end
- cur
, len
> rem
)) {
3423 BIO_printf(bio_err
, "Not LDAPResult\n");
3427 /* len should always be one, but just in case... */
3428 for (ret
= 0, inf
= 0; inf
< len
; inf
++) {
3432 /* There is more data, but we don't care... */
3437 #endif /* OPENSSL_NO_SOCK */