2 * Copyright 1995-2017 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
;
33 #include <openssl/x509.h>
34 #include <openssl/ssl.h>
35 #include <openssl/err.h>
36 #include <openssl/pem.h>
37 #include <openssl/rand.h>
38 #include <openssl/ocsp.h>
39 #include <openssl/bn.h>
40 #include <openssl/async.h>
41 #ifndef OPENSSL_NO_SRP
42 # include <openssl/srp.h>
45 # include <openssl/ct.h>
49 #include "internal/sockets.h"
51 #if defined(__has_feature)
52 # if __has_feature(memory_sanitizer)
53 # include <sanitizer/msan_interface.h>
58 #define BUFSIZZ 1024*8
59 #define S_CLIENT_IRC_READ_TIMEOUT 8
62 static int c_debug
= 0;
63 static int c_showcerts
= 0;
64 static char *keymatexportlabel
= NULL
;
65 static int keymatexportlen
= 20;
66 static BIO
*bio_c_out
= NULL
;
67 static int c_quiet
= 0;
68 static char *sess_out
= NULL
;
69 static SSL_SESSION
*psksess
= NULL
;
71 static void print_stuff(BIO
*berr
, SSL
*con
, int full
);
72 #ifndef OPENSSL_NO_OCSP
73 static int ocsp_resp_cb(SSL
*s
, void *arg
);
75 static int ldap_ExtendedResponse_parse(const char *buf
, long rem
);
77 static int saved_errno
;
79 static void save_errno(void)
85 static int restore_errno(void)
92 static void do_ssl_shutdown(SSL
*ssl
)
97 /* We only do unidirectional shutdown */
98 ret
= SSL_shutdown(ssl
);
100 switch (SSL_get_error(ssl
, ret
)) {
101 case SSL_ERROR_WANT_READ
:
102 case SSL_ERROR_WANT_WRITE
:
103 case SSL_ERROR_WANT_ASYNC
:
104 case SSL_ERROR_WANT_ASYNC_JOB
:
105 /* We just do busy waiting. Nothing clever */
113 /* Default PSK identity and key */
114 static char *psk_identity
= "Client_identity";
116 #ifndef OPENSSL_NO_PSK
117 static unsigned int psk_client_cb(SSL
*ssl
, const char *hint
, char *identity
,
118 unsigned int max_identity_len
,
120 unsigned int max_psk_len
)
127 BIO_printf(bio_c_out
, "psk_client_cb\n");
129 /* no ServerKeyExchange message */
131 BIO_printf(bio_c_out
,
132 "NULL received PSK identity hint, continuing anyway\n");
133 } else if (c_debug
) {
134 BIO_printf(bio_c_out
, "Received PSK identity hint '%s'\n", hint
);
138 * lookup PSK identity and PSK key based on the given identity hint here
140 ret
= BIO_snprintf(identity
, max_identity_len
, "%s", psk_identity
);
141 if (ret
< 0 || (unsigned int)ret
> max_identity_len
)
144 BIO_printf(bio_c_out
, "created identity '%s' len=%d\n", identity
,
147 /* convert the PSK key to binary */
148 key
= OPENSSL_hexstr2buf(psk_key
, &key_len
);
150 BIO_printf(bio_err
, "Could not convert PSK key '%s' to buffer\n",
154 if (max_psk_len
> INT_MAX
|| key_len
> (long)max_psk_len
) {
156 "psk buffer of callback is too small (%d) for key (%ld)\n",
157 max_psk_len
, key_len
);
162 memcpy(psk
, key
, key_len
);
166 BIO_printf(bio_c_out
, "created PSK len=%ld\n", key_len
);
171 BIO_printf(bio_err
, "Error in PSK client callback\n");
176 const unsigned char tls13_aes128gcmsha256_id
[] = { 0x13, 0x01 };
177 const unsigned char tls13_aes256gcmsha384_id
[] = { 0x13, 0x02 };
179 static int psk_use_session_cb(SSL
*s
, const EVP_MD
*md
,
180 const unsigned char **id
, size_t *idlen
,
183 SSL_SESSION
*usesess
= NULL
;
184 const SSL_CIPHER
*cipher
= NULL
;
186 if (psksess
!= NULL
) {
187 SSL_SESSION_up_ref(psksess
);
191 unsigned char *key
= OPENSSL_hexstr2buf(psk_key
, &key_len
);
194 BIO_printf(bio_err
, "Could not convert PSK key '%s' to buffer\n",
199 if (key_len
== EVP_MD_size(EVP_sha256()))
200 cipher
= SSL_CIPHER_find(s
, tls13_aes128gcmsha256_id
);
201 else if (key_len
== EVP_MD_size(EVP_sha384()))
202 cipher
= SSL_CIPHER_find(s
, tls13_aes256gcmsha384_id
);
204 if (cipher
== NULL
) {
205 /* Doesn't look like a suitable TLSv1.3 key. Ignore it */
212 usesess
= SSL_SESSION_new();
214 || !SSL_SESSION_set1_master_key(usesess
, key
, key_len
)
215 || !SSL_SESSION_set_cipher(usesess
, cipher
)
216 || !SSL_SESSION_set_protocol_version(usesess
, TLS1_3_VERSION
)) {
223 cipher
= SSL_SESSION_get0_cipher(usesess
);
227 if (md
!= NULL
&& SSL_CIPHER_get_handshake_digest(cipher
) != md
) {
228 /* PSK not usable, ignore it */
232 SSL_SESSION_free(usesess
);
235 *id
= (unsigned char *)psk_identity
;
236 *idlen
= strlen(psk_identity
);
242 SSL_SESSION_free(usesess
);
246 /* This is a context that we pass to callbacks */
247 typedef struct tlsextctx_st
{
252 static int ssl_servername_cb(SSL
*s
, int *ad
, void *arg
)
254 tlsextctx
*p
= (tlsextctx
*) arg
;
255 const char *hn
= SSL_get_servername(s
, TLSEXT_NAMETYPE_host_name
);
256 if (SSL_get_servername_type(s
) != -1)
257 p
->ack
= !SSL_session_reused(s
) && hn
!= NULL
;
259 BIO_printf(bio_err
, "Can't use SSL_get_servername\n");
261 return SSL_TLSEXT_ERR_OK
;
264 #ifndef OPENSSL_NO_SRP
266 /* This is a context that we pass to all callbacks */
267 typedef struct srp_arg_st
{
270 int msg
; /* copy from c_msg */
271 int debug
; /* copy from c_debug */
272 int amp
; /* allow more groups */
273 int strength
; /* minimal size for N */
276 # define SRP_NUMBER_ITERATIONS_FOR_PRIME 64
278 static int srp_Verify_N_and_g(const BIGNUM
*N
, const BIGNUM
*g
)
280 BN_CTX
*bn_ctx
= BN_CTX_new();
281 BIGNUM
*p
= BN_new();
282 BIGNUM
*r
= BN_new();
284 g
!= NULL
&& N
!= NULL
&& bn_ctx
!= NULL
&& BN_is_odd(N
) &&
285 BN_is_prime_ex(N
, SRP_NUMBER_ITERATIONS_FOR_PRIME
, bn_ctx
, NULL
) == 1 &&
286 p
!= NULL
&& BN_rshift1(p
, N
) &&
288 BN_is_prime_ex(p
, SRP_NUMBER_ITERATIONS_FOR_PRIME
, bn_ctx
, NULL
) == 1 &&
290 /* verify g^((N-1)/2) == -1 (mod N) */
291 BN_mod_exp(r
, g
, p
, N
, bn_ctx
) &&
292 BN_add_word(r
, 1) && BN_cmp(r
, N
) == 0;
301 * This callback is used here for two purposes:
302 * - extended debugging
303 * - making some primality tests for unknown groups
304 * The callback is only called for a non default group.
306 * An application does not need the call back at all if
307 * only the standard groups are used. In real life situations,
308 * client and server already share well known groups,
309 * thus there is no need to verify them.
310 * Furthermore, in case that a server actually proposes a group that
311 * is not one of those defined in RFC 5054, it is more appropriate
312 * to add the group to a static list and then compare since
313 * primality tests are rather cpu consuming.
316 static int ssl_srp_verify_param_cb(SSL
*s
, void *arg
)
318 SRP_ARG
*srp_arg
= (SRP_ARG
*)arg
;
319 BIGNUM
*N
= NULL
, *g
= NULL
;
321 if (((N
= SSL_get_srp_N(s
)) == NULL
) || ((g
= SSL_get_srp_g(s
)) == NULL
))
323 if (srp_arg
->debug
|| srp_arg
->msg
|| srp_arg
->amp
== 1) {
324 BIO_printf(bio_err
, "SRP parameters:\n");
325 BIO_printf(bio_err
, "\tN=");
326 BN_print(bio_err
, N
);
327 BIO_printf(bio_err
, "\n\tg=");
328 BN_print(bio_err
, g
);
329 BIO_printf(bio_err
, "\n");
332 if (SRP_check_known_gN_param(g
, N
))
335 if (srp_arg
->amp
== 1) {
338 "SRP param N and g are not known params, going to check deeper.\n");
341 * The srp_moregroups is a real debugging feature. Implementors
342 * should rather add the value to the known ones. The minimal size
343 * has already been tested.
345 if (BN_num_bits(g
) <= BN_BITS
&& srp_Verify_N_and_g(N
, g
))
348 BIO_printf(bio_err
, "SRP param N and g rejected.\n");
352 # define PWD_STRLEN 1024
354 static char *ssl_give_srp_client_pwd_cb(SSL
*s
, void *arg
)
356 SRP_ARG
*srp_arg
= (SRP_ARG
*)arg
;
357 char *pass
= app_malloc(PWD_STRLEN
+ 1, "SRP password buffer");
361 cb_tmp
.password
= (char *)srp_arg
->srppassin
;
362 cb_tmp
.prompt_info
= "SRP user";
363 if ((l
= password_callback(pass
, PWD_STRLEN
, 0, &cb_tmp
)) < 0) {
364 BIO_printf(bio_err
, "Can't read Password\n");
375 static char *srtp_profiles
= NULL
;
377 #ifndef OPENSSL_NO_NEXTPROTONEG
378 /* This the context that we pass to next_proto_cb */
379 typedef struct tlsextnextprotoctx_st
{
383 } tlsextnextprotoctx
;
385 static tlsextnextprotoctx next_proto
;
387 static int next_proto_cb(SSL
*s
, unsigned char **out
, unsigned char *outlen
,
388 const unsigned char *in
, unsigned int inlen
,
391 tlsextnextprotoctx
*ctx
= arg
;
394 /* We can assume that |in| is syntactically valid. */
396 BIO_printf(bio_c_out
, "Protocols advertised by server: ");
397 for (i
= 0; i
< inlen
;) {
399 BIO_write(bio_c_out
, ", ", 2);
400 BIO_write(bio_c_out
, &in
[i
+ 1], in
[i
]);
403 BIO_write(bio_c_out
, "\n", 1);
407 SSL_select_next_proto(out
, outlen
, in
, inlen
, ctx
->data
, ctx
->len
);
408 return SSL_TLSEXT_ERR_OK
;
410 #endif /* ndef OPENSSL_NO_NEXTPROTONEG */
412 static int serverinfo_cli_parse_cb(SSL
*s
, unsigned int ext_type
,
413 const unsigned char *in
, size_t inlen
,
417 unsigned char ext_buf
[4 + 65536];
419 /* Reconstruct the type/len fields prior to extension data */
420 inlen
&= 0xffff; /* for formal memcmpy correctness */
421 ext_buf
[0] = (unsigned char)(ext_type
>> 8);
422 ext_buf
[1] = (unsigned char)(ext_type
);
423 ext_buf
[2] = (unsigned char)(inlen
>> 8);
424 ext_buf
[3] = (unsigned char)(inlen
);
425 memcpy(ext_buf
+ 4, in
, inlen
);
427 BIO_snprintf(pem_name
, sizeof(pem_name
), "SERVERINFO FOR EXTENSION %d",
429 PEM_write_bio(bio_c_out
, pem_name
, "", ext_buf
, 4 + inlen
);
434 * Hex decoder that tolerates optional whitespace. Returns number of bytes
435 * produced, advances inptr to end of input string.
437 static ossl_ssize_t
hexdecode(const char **inptr
, void *result
)
439 unsigned char **out
= (unsigned char **)result
;
440 const char *in
= *inptr
;
441 unsigned char *ret
= app_malloc(strlen(in
) / 2, "hexdecode");
442 unsigned char *cp
= ret
;
449 for (byte
= 0; *in
; ++in
) {
452 if (isspace(_UC(*in
)))
454 x
= OPENSSL_hexchar2int(*in
);
460 if ((nibble
^= 1) == 0) {
473 return cp
- (*out
= ret
);
477 * Decode unsigned 0..255, returns 1 on success, <= 0 on failure. Advances
478 * inptr to next field skipping leading whitespace.
480 static ossl_ssize_t
checked_uint8(const char **inptr
, void *out
)
482 uint8_t *result
= (uint8_t *)out
;
483 const char *in
= *inptr
;
489 v
= strtol(in
, &endp
, 10);
492 if (((v
== LONG_MIN
|| v
== LONG_MAX
) && e
== ERANGE
) ||
493 endp
== in
|| !isspace(_UC(*endp
)) ||
494 v
!= (*result
= (uint8_t) v
)) {
497 for (in
= endp
; isspace(_UC(*in
)); ++in
)
507 ossl_ssize_t (*parser
)(const char **, void *);
510 static int tlsa_import_rr(SSL
*con
, const char *rrdata
)
512 /* Not necessary to re-init these values; the "parsers" do that. */
513 static uint8_t usage
;
514 static uint8_t selector
;
515 static uint8_t mtype
;
516 static unsigned char *data
;
517 static struct tlsa_field tlsa_fields
[] = {
518 { &usage
, "usage", checked_uint8
},
519 { &selector
, "selector", checked_uint8
},
520 { &mtype
, "mtype", checked_uint8
},
521 { &data
, "data", hexdecode
},
524 struct tlsa_field
*f
;
526 const char *cp
= rrdata
;
527 ossl_ssize_t len
= 0;
529 for (f
= tlsa_fields
; f
->var
; ++f
) {
530 /* Returns number of bytes produced, advances cp to next field */
531 if ((len
= f
->parser(&cp
, f
->var
)) <= 0) {
532 BIO_printf(bio_err
, "%s: warning: bad TLSA %s field in: %s\n",
533 prog
, f
->name
, rrdata
);
537 /* The data field is last, so len is its length */
538 ret
= SSL_dane_tlsa_add(con
, usage
, selector
, mtype
, data
, len
);
542 ERR_print_errors(bio_err
);
543 BIO_printf(bio_err
, "%s: warning: unusable TLSA rrdata: %s\n",
548 ERR_print_errors(bio_err
);
549 BIO_printf(bio_err
, "%s: warning: error loading TLSA rrdata: %s\n",
556 static int tlsa_import_rrset(SSL
*con
, STACK_OF(OPENSSL_STRING
) *rrset
)
558 int num
= sk_OPENSSL_STRING_num(rrset
);
562 for (i
= 0; i
< num
; ++i
) {
563 char *rrdata
= sk_OPENSSL_STRING_value(rrset
, i
);
564 if (tlsa_import_rr(con
, rrdata
) > 0)
570 typedef enum OPTION_choice
{
571 OPT_ERR
= -1, OPT_EOF
= 0, OPT_HELP
,
572 OPT_4
, OPT_6
, OPT_HOST
, OPT_PORT
, OPT_CONNECT
, OPT_UNIX
,
573 OPT_XMPPHOST
, OPT_VERIFY
, OPT_NAMEOPT
,
574 OPT_CERT
, OPT_CRL
, OPT_CRL_DOWNLOAD
, OPT_SESS_OUT
, OPT_SESS_IN
,
575 OPT_CERTFORM
, OPT_CRLFORM
, OPT_VERIFY_RET_ERROR
, OPT_VERIFY_QUIET
,
576 OPT_BRIEF
, OPT_PREXIT
, OPT_CRLF
, OPT_QUIET
, OPT_NBIO
,
577 OPT_SSL_CLIENT_ENGINE
, OPT_IGN_EOF
, OPT_NO_IGN_EOF
,
578 OPT_DEBUG
, OPT_TLSEXTDEBUG
, OPT_STATUS
, OPT_WDEBUG
,
579 OPT_MSG
, OPT_MSGFILE
, OPT_ENGINE
, OPT_TRACE
, OPT_SECURITY_DEBUG
,
580 OPT_SECURITY_DEBUG_VERBOSE
, OPT_SHOWCERTS
, OPT_NBIO_TEST
, OPT_STATE
,
581 OPT_PSK_IDENTITY
, OPT_PSK
, OPT_PSK_SESS
,
582 #ifndef OPENSSL_NO_SRP
583 OPT_SRPUSER
, OPT_SRPPASS
, OPT_SRP_STRENGTH
, OPT_SRP_LATEUSER
,
586 OPT_SSL3
, OPT_SSL_CONFIG
,
587 OPT_TLS1_3
, OPT_TLS1_2
, OPT_TLS1_1
, OPT_TLS1
, OPT_DTLS
, OPT_DTLS1
,
588 OPT_DTLS1_2
, OPT_SCTP
, OPT_TIMEOUT
, OPT_MTU
, OPT_KEYFORM
, OPT_PASS
,
589 OPT_CERT_CHAIN
, OPT_CAPATH
, OPT_NOCAPATH
, OPT_CHAINCAPATH
, OPT_VERIFYCAPATH
,
590 OPT_KEY
, OPT_RECONNECT
, OPT_BUILD_CHAIN
, OPT_CAFILE
, OPT_NOCAFILE
,
591 OPT_CHAINCAFILE
, OPT_VERIFYCAFILE
, OPT_NEXTPROTONEG
, OPT_ALPN
,
592 OPT_SERVERINFO
, OPT_STARTTLS
, OPT_SERVERNAME
, OPT_NOSERVERNAME
, OPT_ASYNC
,
593 OPT_USE_SRTP
, OPT_KEYMATEXPORT
, OPT_KEYMATEXPORTLEN
, OPT_PROTOHOST
,
594 OPT_MAXFRAGLEN
, OPT_MAX_SEND_FRAG
, OPT_SPLIT_SEND_FRAG
, OPT_MAX_PIPELINES
,
595 OPT_READ_BUF
, OPT_KEYLOG_FILE
, OPT_EARLY_DATA
, OPT_REQCAFILE
,
599 OPT_FALLBACKSCSV
, OPT_NOCMDS
, OPT_PROXY
, OPT_DANE_TLSA_DOMAIN
,
600 #ifndef OPENSSL_NO_CT
601 OPT_CT
, OPT_NOCT
, OPT_CTLOG_FILE
,
603 OPT_DANE_TLSA_RRDATA
, OPT_DANE_EE_NO_NAME
,
607 const OPTIONS s_client_options
[] = {
608 {"help", OPT_HELP
, '-', "Display this summary"},
609 {"host", OPT_HOST
, 's', "Use -connect instead"},
610 {"port", OPT_PORT
, 'p', "Use -connect instead"},
611 {"connect", OPT_CONNECT
, 's',
612 "TCP/IP where to connect (default is :" PORT
")"},
613 {"proxy", OPT_PROXY
, 's',
614 "Connect to via specified proxy to the real server"},
616 {"unix", OPT_UNIX
, 's', "Connect over the specified Unix-domain socket"},
618 {"4", OPT_4
, '-', "Use IPv4 only"},
620 {"6", OPT_6
, '-', "Use IPv6 only"},
622 {"verify", OPT_VERIFY
, 'p', "Turn on peer certificate verification"},
623 {"cert", OPT_CERT
, '<', "Certificate file to use, PEM format assumed"},
624 {"certform", OPT_CERTFORM
, 'F',
625 "Certificate format (PEM or DER) PEM default"},
626 {"nameopt", OPT_NAMEOPT
, 's', "Various certificate name options"},
627 {"key", OPT_KEY
, 's', "Private key file to use, if not in -cert file"},
628 {"keyform", OPT_KEYFORM
, 'E', "Key format (PEM, DER or engine) PEM default"},
629 {"pass", OPT_PASS
, 's', "Private key file pass phrase source"},
630 {"CApath", OPT_CAPATH
, '/', "PEM format directory of CA's"},
631 {"CAfile", OPT_CAFILE
, '<', "PEM format file of CA's"},
632 {"no-CAfile", OPT_NOCAFILE
, '-',
633 "Do not load the default certificates file"},
634 {"no-CApath", OPT_NOCAPATH
, '-',
635 "Do not load certificates from the default certificates directory"},
636 {"requestCAfile", OPT_REQCAFILE
, '<',
637 "PEM format file of CA names to send to the server"},
638 {"dane_tlsa_domain", OPT_DANE_TLSA_DOMAIN
, 's', "DANE TLSA base domain"},
639 {"dane_tlsa_rrdata", OPT_DANE_TLSA_RRDATA
, 's',
640 "DANE TLSA rrdata presentation form"},
641 {"dane_ee_no_namechecks", OPT_DANE_EE_NO_NAME
, '-',
642 "Disable name checks when matching DANE-EE(3) TLSA records"},
643 {"reconnect", OPT_RECONNECT
, '-',
644 "Drop and re-make the connection with the same Session-ID"},
645 {"showcerts", OPT_SHOWCERTS
, '-', "Show all certificates in the chain"},
646 {"debug", OPT_DEBUG
, '-', "Extra output"},
647 {"msg", OPT_MSG
, '-', "Show protocol messages"},
648 {"msgfile", OPT_MSGFILE
, '>',
649 "File to send output of -msg or -trace, instead of stdout"},
650 {"nbio_test", OPT_NBIO_TEST
, '-', "More ssl protocol testing"},
651 {"state", OPT_STATE
, '-', "Print the ssl states"},
652 {"crlf", OPT_CRLF
, '-', "Convert LF from terminal into CRLF"},
653 {"quiet", OPT_QUIET
, '-', "No s_client output"},
654 {"ign_eof", OPT_IGN_EOF
, '-', "Ignore input eof (default when -quiet)"},
655 {"no_ign_eof", OPT_NO_IGN_EOF
, '-', "Don't ignore input eof"},
656 {"starttls", OPT_STARTTLS
, 's',
657 "Use the appropriate STARTTLS command before starting TLS"},
658 {"xmpphost", OPT_XMPPHOST
, 's',
659 "Alias of -name option for \"-starttls xmpp[-server]\""},
661 {"sess_out", OPT_SESS_OUT
, '>', "File to write SSL session to"},
662 {"sess_in", OPT_SESS_IN
, '<', "File to read SSL session from"},
663 {"use_srtp", OPT_USE_SRTP
, 's',
664 "Offer SRTP key management with a colon-separated profile list"},
665 {"keymatexport", OPT_KEYMATEXPORT
, 's',
666 "Export keying material using label"},
667 {"keymatexportlen", OPT_KEYMATEXPORTLEN
, 'p',
668 "Export len bytes of keying material (default 20)"},
669 {"maxfraglen", OPT_MAXFRAGLEN
, 'p',
670 "Enable Maximum Fragment Length Negotiation (len values: 512, 1024, 2048 and 4096)"},
671 {"fallback_scsv", OPT_FALLBACKSCSV
, '-', "Send the fallback SCSV"},
672 {"name", OPT_PROTOHOST
, 's',
673 "Hostname to use for \"-starttls lmtp\", \"-starttls smtp\" or \"-starttls xmpp[-server]\""},
674 {"CRL", OPT_CRL
, '<', "CRL file to use"},
675 {"crl_download", OPT_CRL_DOWNLOAD
, '-', "Download CRL from distribution points"},
676 {"CRLform", OPT_CRLFORM
, 'F', "CRL format (PEM or DER) PEM is default"},
677 {"verify_return_error", OPT_VERIFY_RET_ERROR
, '-',
678 "Close connection on verification error"},
679 {"verify_quiet", OPT_VERIFY_QUIET
, '-', "Restrict verify output to errors"},
680 {"brief", OPT_BRIEF
, '-',
681 "Restrict output to brief summary of connection parameters"},
682 {"prexit", OPT_PREXIT
, '-',
683 "Print session information when the program exits"},
684 {"security_debug", OPT_SECURITY_DEBUG
, '-',
685 "Enable security debug messages"},
686 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE
, '-',
687 "Output more security debug output"},
688 {"cert_chain", OPT_CERT_CHAIN
, '<',
689 "Certificate chain file (in PEM format)"},
690 {"chainCApath", OPT_CHAINCAPATH
, '/',
691 "Use dir as certificate store path to build CA certificate chain"},
692 {"verifyCApath", OPT_VERIFYCAPATH
, '/',
693 "Use dir as certificate store path to verify CA certificate"},
694 {"build_chain", OPT_BUILD_CHAIN
, '-', "Build certificate chain"},
695 {"chainCAfile", OPT_CHAINCAFILE
, '<',
696 "CA file for certificate chain (PEM format)"},
697 {"verifyCAfile", OPT_VERIFYCAFILE
, '<',
698 "CA file for certificate verification (PEM format)"},
699 {"nocommands", OPT_NOCMDS
, '-', "Do not use interactive command letters"},
700 {"servername", OPT_SERVERNAME
, 's',
701 "Set TLS extension servername (SNI) in ClientHello (default)"},
702 {"noservername", OPT_NOSERVERNAME
, '-',
703 "Do not send the server name (SNI) extension in the ClientHello"},
704 {"tlsextdebug", OPT_TLSEXTDEBUG
, '-',
705 "Hex dump of all TLS extensions received"},
706 #ifndef OPENSSL_NO_OCSP
707 {"status", OPT_STATUS
, '-', "Request certificate status from server"},
709 {"serverinfo", OPT_SERVERINFO
, 's',
710 "types Send empty ClientHello extensions (comma-separated numbers)"},
711 {"alpn", OPT_ALPN
, 's',
712 "Enable ALPN extension, considering named protocols supported (comma-separated list)"},
713 {"async", OPT_ASYNC
, '-', "Support asynchronous operation"},
714 {"ssl_config", OPT_SSL_CONFIG
, 's', "Use specified configuration file"},
715 {"max_send_frag", OPT_MAX_SEND_FRAG
, 'p', "Maximum Size of send frames "},
716 {"split_send_frag", OPT_SPLIT_SEND_FRAG
, 'p',
717 "Size used to split data for encrypt pipelines"},
718 {"max_pipelines", OPT_MAX_PIPELINES
, 'p',
719 "Maximum number of encrypt/decrypt pipelines to be used"},
720 {"read_buf", OPT_READ_BUF
, 'p',
721 "Default read buffer size to be used for connections"},
725 #ifndef OPENSSL_NO_SSL3
726 {"ssl3", OPT_SSL3
, '-', "Just use SSLv3"},
728 #ifndef OPENSSL_NO_TLS1
729 {"tls1", OPT_TLS1
, '-', "Just use TLSv1"},
731 #ifndef OPENSSL_NO_TLS1_1
732 {"tls1_1", OPT_TLS1_1
, '-', "Just use TLSv1.1"},
734 #ifndef OPENSSL_NO_TLS1_2
735 {"tls1_2", OPT_TLS1_2
, '-', "Just use TLSv1.2"},
737 #ifndef OPENSSL_NO_TLS1_3
738 {"tls1_3", OPT_TLS1_3
, '-', "Just use TLSv1.3"},
740 #ifndef OPENSSL_NO_DTLS
741 {"dtls", OPT_DTLS
, '-', "Use any version of DTLS"},
742 {"timeout", OPT_TIMEOUT
, '-',
743 "Enable send/receive timeout on DTLS connections"},
744 {"mtu", OPT_MTU
, 'p', "Set the link layer MTU"},
746 #ifndef OPENSSL_NO_DTLS1
747 {"dtls1", OPT_DTLS1
, '-', "Just use DTLSv1"},
749 #ifndef OPENSSL_NO_DTLS1_2
750 {"dtls1_2", OPT_DTLS1_2
, '-', "Just use DTLSv1.2"},
752 #ifndef OPENSSL_NO_SCTP
753 {"sctp", OPT_SCTP
, '-', "Use SCTP"},
755 #ifndef OPENSSL_NO_SSL_TRACE
756 {"trace", OPT_TRACE
, '-', "Show trace output of protocol messages"},
759 {"wdebug", OPT_WDEBUG
, '-', "WATT-32 tcp debugging"},
761 {"nbio", OPT_NBIO
, '-', "Use non-blocking IO"},
762 {"psk_identity", OPT_PSK_IDENTITY
, 's', "PSK identity"},
763 {"psk", OPT_PSK
, 's', "PSK in hex (without 0x)"},
764 {"psk_session", OPT_PSK_SESS
, '<', "File to read PSK SSL session from"},
765 #ifndef OPENSSL_NO_SRP
766 {"srpuser", OPT_SRPUSER
, 's', "SRP authentication for 'user'"},
767 {"srppass", OPT_SRPPASS
, 's', "Password for 'user'"},
768 {"srp_lateuser", OPT_SRP_LATEUSER
, '-',
769 "SRP username into second ClientHello message"},
770 {"srp_moregroups", OPT_SRP_MOREGROUPS
, '-',
771 "Tolerate other than the known g N values."},
772 {"srp_strength", OPT_SRP_STRENGTH
, 'p', "Minimal length in bits for N"},
774 #ifndef OPENSSL_NO_NEXTPROTONEG
775 {"nextprotoneg", OPT_NEXTPROTONEG
, 's',
776 "Enable NPN extension, considering named protocols supported (comma-separated list)"},
778 #ifndef OPENSSL_NO_ENGINE
779 {"engine", OPT_ENGINE
, 's', "Use engine, possibly a hardware device"},
780 {"ssl_client_engine", OPT_SSL_CLIENT_ENGINE
, 's',
781 "Specify engine to be used for client certificate operations"},
783 #ifndef OPENSSL_NO_CT
784 {"ct", OPT_CT
, '-', "Request and parse SCTs (also enables OCSP stapling)"},
785 {"noct", OPT_NOCT
, '-', "Do not request or parse SCTs (default)"},
786 {"ctlogfile", OPT_CTLOG_FILE
, '<', "CT log list CONF file"},
788 {"keylogfile", OPT_KEYLOG_FILE
, '>', "Write TLS secrets to file"},
789 {"early_data", OPT_EARLY_DATA
, '<', "File to send as early data"},
790 {NULL
, OPT_EOF
, 0x00, NULL
}
793 typedef enum PROTOCOL_choice
{
812 static const OPT_PAIR services
[] = {
813 {"smtp", PROTO_SMTP
},
814 {"pop3", PROTO_POP3
},
815 {"imap", PROTO_IMAP
},
817 {"xmpp", PROTO_XMPP
},
818 {"xmpp-server", PROTO_XMPP_SERVER
},
819 {"telnet", PROTO_TELNET
},
821 {"mysql", PROTO_MYSQL
},
822 {"postgres", PROTO_POSTGRES
},
823 {"lmtp", PROTO_LMTP
},
824 {"nntp", PROTO_NNTP
},
825 {"sieve", PROTO_SIEVE
},
826 {"ldap", PROTO_LDAP
},
830 #define IS_INET_FLAG(o) \
831 (o == OPT_4 || o == OPT_6 || o == OPT_HOST || o == OPT_PORT || o == OPT_CONNECT)
832 #define IS_UNIX_FLAG(o) (o == OPT_UNIX)
834 #define IS_PROT_FLAG(o) \
835 (o == OPT_SSL3 || o == OPT_TLS1 || o == OPT_TLS1_1 || o == OPT_TLS1_2 \
836 || o == OPT_TLS1_3 || o == OPT_DTLS || o == OPT_DTLS1 || o == OPT_DTLS1_2)
838 /* Free |*dest| and optionally set it to a copy of |source|. */
839 static void freeandcopy(char **dest
, const char *source
)
844 *dest
= OPENSSL_strdup(source
);
847 static int new_session_cb(SSL
*S
, SSL_SESSION
*sess
)
849 BIO
*stmp
= BIO_new_file(sess_out
, "w");
852 BIO_printf(bio_err
, "Error writing session file %s\n", sess_out
);
854 PEM_write_bio_SSL_SESSION(stmp
, sess
);
859 * We always return a "fail" response so that the session gets freed again
860 * because we haven't used the reference.
865 int s_client_main(int argc
, char **argv
)
868 EVP_PKEY
*key
= NULL
;
871 STACK_OF(X509
) *chain
= NULL
;
873 X509_VERIFY_PARAM
*vpm
= NULL
;
874 SSL_EXCERT
*exc
= NULL
;
875 SSL_CONF_CTX
*cctx
= NULL
;
876 STACK_OF(OPENSSL_STRING
) *ssl_args
= NULL
;
877 char *dane_tlsa_domain
= NULL
;
878 STACK_OF(OPENSSL_STRING
) *dane_tlsa_rrset
= NULL
;
879 int dane_ee_no_name
= 0;
880 STACK_OF(X509_CRL
) *crls
= NULL
;
881 const SSL_METHOD
*meth
= TLS_client_method();
882 const char *CApath
= NULL
, *CAfile
= NULL
;
883 char *cbuf
= NULL
, *sbuf
= NULL
;
884 char *mbuf
= NULL
, *proxystr
= NULL
, *connectstr
= NULL
;
885 char *cert_file
= NULL
, *key_file
= NULL
, *chain_file
= NULL
;
886 char *chCApath
= NULL
, *chCAfile
= NULL
, *host
= NULL
;
887 char *port
= OPENSSL_strdup(PORT
);
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_CT
939 char *ctlog_file
= NULL
;
940 int ct_validation
= 0;
942 int min_version
= 0, max_version
= 0, prot_opt
= 0, no_prot_opt
= 0;
944 unsigned int max_send_fragment
= 0;
945 unsigned int split_send_fragment
= 0, max_pipelines
= 0;
946 enum { use_inet
, use_unix
, use_unknown
} connect_type
= use_unknown
;
948 uint8_t maxfraglen
= 0;
949 int c_nbio
= 0, c_msg
= 0, c_ign_eof
= 0, c_brief
= 0;
950 int c_tlsextdebug
= 0;
951 #ifndef OPENSSL_NO_OCSP
952 int c_status_req
= 0;
954 BIO
*bio_c_msg
= NULL
;
955 const char *keylog_file
= NULL
, *early_data_file
= NULL
;
956 #ifndef OPENSSL_NO_DTLS
959 char *psksessf
= NULL
;
963 /* Known false-positive of MemorySanitizer. */
964 #if defined(__has_feature)
965 # if __has_feature(memory_sanitizer)
966 __msan_unpoison(&readfds
, sizeof(readfds
));
967 __msan_unpoison(&writefds
, sizeof(writefds
));
971 prog
= opt_progname(argv
[0]);
976 vpm
= X509_VERIFY_PARAM_new();
977 cctx
= SSL_CONF_CTX_new();
979 if (vpm
== NULL
|| cctx
== NULL
) {
980 BIO_printf(bio_err
, "%s: out of memory\n", prog
);
984 cbuf
= app_malloc(BUFSIZZ
, "cbuf");
985 sbuf
= app_malloc(BUFSIZZ
, "sbuf");
986 mbuf
= app_malloc(BUFSIZZ
, "mbuf");
988 SSL_CONF_CTX_set_flags(cctx
, SSL_CONF_FLAG_CLIENT
| SSL_CONF_FLAG_CMDLINE
);
990 prog
= opt_init(argc
, argv
, s_client_options
);
991 while ((o
= opt_next()) != OPT_EOF
) {
992 /* Check for intermixing flags. */
993 if (connect_type
== use_unix
&& IS_INET_FLAG(o
)) {
995 "%s: Intermixed protocol flags (unix and internet domains)\n",
999 if (connect_type
== use_inet
&& IS_UNIX_FLAG(o
)) {
1001 "%s: Intermixed protocol flags (internet and unix domains)\n",
1006 if (IS_PROT_FLAG(o
) && ++prot_opt
> 1) {
1007 BIO_printf(bio_err
, "Cannot supply multiple protocol flags\n");
1010 if (IS_NO_PROT_FLAG(o
))
1012 if (prot_opt
== 1 && no_prot_opt
) {
1014 "Cannot supply both a protocol flag and '-no_<prot>'\n");
1022 BIO_printf(bio_err
, "%s: Use -help for summary.\n", prog
);
1025 opt_help(s_client_options
);
1029 connect_type
= use_inet
;
1030 socket_family
= AF_INET
;
1035 connect_type
= use_inet
;
1036 socket_family
= AF_INET6
;
1041 connect_type
= use_inet
;
1042 freeandcopy(&host
, opt_arg());
1045 connect_type
= use_inet
;
1046 freeandcopy(&port
, opt_arg());
1049 connect_type
= use_inet
;
1050 freeandcopy(&connectstr
, opt_arg());
1053 proxystr
= opt_arg();
1054 starttls_proto
= PROTO_CONNECT
;
1058 connect_type
= use_unix
;
1059 socket_family
= AF_UNIX
;
1060 freeandcopy(&host
, opt_arg());
1064 /* fall through, since this is an alias */
1066 protohost
= opt_arg();
1069 verify
= SSL_VERIFY_PEER
;
1070 verify_args
.depth
= atoi(opt_arg());
1072 BIO_printf(bio_err
, "verify depth is %d\n", verify_args
.depth
);
1075 cert_file
= opt_arg();
1078 if (!set_nameopt(opt_arg()))
1082 crl_file
= opt_arg();
1084 case OPT_CRL_DOWNLOAD
:
1088 sess_out
= opt_arg();
1091 sess_in
= opt_arg();
1094 if (!opt_format(opt_arg(), OPT_FMT_PEMDER
, &cert_format
))
1098 if (!opt_format(opt_arg(), OPT_FMT_PEMDER
, &crl_format
))
1101 case OPT_VERIFY_RET_ERROR
:
1102 verify_args
.return_error
= 1;
1104 case OPT_VERIFY_QUIET
:
1105 verify_args
.quiet
= 1;
1108 c_brief
= verify_args
.quiet
= c_quiet
= 1;
1111 if (ssl_args
== NULL
)
1112 ssl_args
= sk_OPENSSL_STRING_new_null();
1113 if (ssl_args
== NULL
1114 || !sk_OPENSSL_STRING_push(ssl_args
, opt_flag())
1115 || !sk_OPENSSL_STRING_push(ssl_args
, opt_arg())) {
1116 BIO_printf(bio_err
, "%s: Memory allocation failure\n", prog
);
1121 if (!opt_verify(o
, vpm
))
1126 if (!args_excert(o
, &exc
))
1136 c_quiet
= c_ign_eof
= 1;
1145 e
= setup_engine(opt_arg(), 1);
1147 case OPT_SSL_CLIENT_ENGINE
:
1148 #ifndef OPENSSL_NO_ENGINE
1149 ssl_client_engine
= ENGINE_by_id(opt_arg());
1150 if (ssl_client_engine
== NULL
) {
1151 BIO_printf(bio_err
, "Error getting client auth engine\n");
1163 case OPT_NO_IGN_EOF
:
1169 case OPT_TLSEXTDEBUG
:
1173 #ifndef OPENSSL_NO_OCSP
1186 bio_c_msg
= BIO_new_file(opt_arg(), "w");
1189 #ifndef OPENSSL_NO_SSL_TRACE
1193 case OPT_SECURITY_DEBUG
:
1196 case OPT_SECURITY_DEBUG_VERBOSE
:
1208 case OPT_PSK_IDENTITY
:
1209 psk_identity
= opt_arg();
1212 for (p
= psk_key
= opt_arg(); *p
; p
++) {
1213 if (isxdigit(_UC(*p
)))
1215 BIO_printf(bio_err
, "Not a hex number '%s'\n", psk_key
);
1220 psksessf
= opt_arg();
1222 #ifndef OPENSSL_NO_SRP
1224 srp_arg
.srplogin
= opt_arg();
1225 if (min_version
< TLS1_VERSION
)
1226 min_version
= TLS1_VERSION
;
1229 srppass
= opt_arg();
1230 if (min_version
< TLS1_VERSION
)
1231 min_version
= TLS1_VERSION
;
1233 case OPT_SRP_STRENGTH
:
1234 srp_arg
.strength
= atoi(opt_arg());
1235 BIO_printf(bio_err
, "SRP minimal length for N is %d\n",
1237 if (min_version
< TLS1_VERSION
)
1238 min_version
= TLS1_VERSION
;
1240 case OPT_SRP_LATEUSER
:
1242 if (min_version
< TLS1_VERSION
)
1243 min_version
= TLS1_VERSION
;
1245 case OPT_SRP_MOREGROUPS
:
1247 if (min_version
< TLS1_VERSION
)
1248 min_version
= TLS1_VERSION
;
1251 case OPT_SSL_CONFIG
:
1252 ssl_config
= opt_arg();
1255 min_version
= SSL3_VERSION
;
1256 max_version
= SSL3_VERSION
;
1259 min_version
= TLS1_3_VERSION
;
1260 max_version
= TLS1_3_VERSION
;
1263 min_version
= TLS1_2_VERSION
;
1264 max_version
= TLS1_2_VERSION
;
1267 min_version
= TLS1_1_VERSION
;
1268 max_version
= TLS1_1_VERSION
;
1271 min_version
= TLS1_VERSION
;
1272 max_version
= TLS1_VERSION
;
1275 #ifndef OPENSSL_NO_DTLS
1276 meth
= DTLS_client_method();
1277 socket_type
= SOCK_DGRAM
;
1282 #ifndef OPENSSL_NO_DTLS1
1283 meth
= DTLS_client_method();
1284 min_version
= DTLS1_VERSION
;
1285 max_version
= DTLS1_VERSION
;
1286 socket_type
= SOCK_DGRAM
;
1291 #ifndef OPENSSL_NO_DTLS1_2
1292 meth
= DTLS_client_method();
1293 min_version
= DTLS1_2_VERSION
;
1294 max_version
= DTLS1_2_VERSION
;
1295 socket_type
= SOCK_DGRAM
;
1300 #ifndef OPENSSL_NO_SCTP
1301 protocol
= IPPROTO_SCTP
;
1305 #ifndef OPENSSL_NO_DTLS
1306 enable_timeouts
= 1;
1310 #ifndef OPENSSL_NO_DTLS
1311 socket_mtu
= atol(opt_arg());
1314 case OPT_FALLBACKSCSV
:
1318 if (!opt_format(opt_arg(), OPT_FMT_PDE
, &key_format
))
1322 passarg
= opt_arg();
1324 case OPT_CERT_CHAIN
:
1325 chain_file
= opt_arg();
1328 key_file
= opt_arg();
1339 case OPT_CHAINCAPATH
:
1340 chCApath
= opt_arg();
1342 case OPT_VERIFYCAPATH
:
1343 vfyCApath
= opt_arg();
1345 case OPT_BUILD_CHAIN
:
1349 ReqCAfile
= opt_arg();
1357 #ifndef OPENSSL_NO_CT
1364 case OPT_CTLOG_FILE
:
1365 ctlog_file
= opt_arg();
1368 case OPT_CHAINCAFILE
:
1369 chCAfile
= opt_arg();
1371 case OPT_VERIFYCAFILE
:
1372 vfyCAfile
= opt_arg();
1374 case OPT_DANE_TLSA_DOMAIN
:
1375 dane_tlsa_domain
= opt_arg();
1377 case OPT_DANE_TLSA_RRDATA
:
1378 if (dane_tlsa_rrset
== NULL
)
1379 dane_tlsa_rrset
= sk_OPENSSL_STRING_new_null();
1380 if (dane_tlsa_rrset
== NULL
||
1381 !sk_OPENSSL_STRING_push(dane_tlsa_rrset
, opt_arg())) {
1382 BIO_printf(bio_err
, "%s: Memory allocation failure\n", prog
);
1386 case OPT_DANE_EE_NO_NAME
:
1387 dane_ee_no_name
= 1;
1389 case OPT_NEXTPROTONEG
:
1390 #ifndef OPENSSL_NO_NEXTPROTONEG
1391 next_proto_neg_in
= opt_arg();
1395 alpn_in
= opt_arg();
1397 case OPT_SERVERINFO
:
1400 for (start
= 0, i
= 0; i
<= len
; ++i
) {
1401 if (i
== len
|| p
[i
] == ',') {
1402 serverinfo_types
[serverinfo_count
] = atoi(p
+ start
);
1403 if (++serverinfo_count
== MAX_SI_TYPES
)
1410 if (!opt_pair(opt_arg(), services
, &starttls_proto
))
1413 case OPT_SERVERNAME
:
1414 servername
= opt_arg();
1416 case OPT_NOSERVERNAME
:
1420 srtp_profiles
= opt_arg();
1422 case OPT_KEYMATEXPORT
:
1423 keymatexportlabel
= opt_arg();
1425 case OPT_KEYMATEXPORTLEN
:
1426 keymatexportlen
= atoi(opt_arg());
1431 case OPT_MAXFRAGLEN
:
1432 len
= atoi(opt_arg());
1435 maxfraglen
= TLSEXT_max_fragment_length_512
;
1438 maxfraglen
= TLSEXT_max_fragment_length_1024
;
1441 maxfraglen
= TLSEXT_max_fragment_length_2048
;
1444 maxfraglen
= TLSEXT_max_fragment_length_4096
;
1448 "%s: Max Fragment Len %u is out of permitted values",
1453 case OPT_MAX_SEND_FRAG
:
1454 max_send_fragment
= atoi(opt_arg());
1456 case OPT_SPLIT_SEND_FRAG
:
1457 split_send_fragment
= atoi(opt_arg());
1459 case OPT_MAX_PIPELINES
:
1460 max_pipelines
= atoi(opt_arg());
1463 read_buf_len
= atoi(opt_arg());
1465 case OPT_KEYLOG_FILE
:
1466 keylog_file
= opt_arg();
1468 case OPT_EARLY_DATA
:
1469 early_data_file
= opt_arg();
1473 if (count4or6
>= 2) {
1474 BIO_printf(bio_err
, "%s: Can't use both -4 and -6\n", prog
);
1478 if (servername
!= NULL
) {
1480 "%s: Can't use -servername and -noservername together\n",
1484 if (dane_tlsa_domain
!= NULL
) {
1486 "%s: Can't use -dane_tlsa_domain and -noservername together\n",
1491 argc
= opt_num_rest();
1493 /* If there's a positional argument, it's the equivalent of
1495 * Don't allow -connect and a separate argument.
1497 if (connectstr
!= NULL
) {
1499 "%s: must not provide both -connect option and target parameter\n",
1503 connect_type
= use_inet
;
1504 freeandcopy(&connectstr
, *opt_rest());
1505 } else if (argc
!= 0) {
1509 #ifndef OPENSSL_NO_NEXTPROTONEG
1510 if (min_version
== TLS1_3_VERSION
&& next_proto_neg_in
!= NULL
) {
1511 BIO_printf(bio_err
, "Cannot supply -nextprotoneg with TLSv1.3\n");
1515 if (proxystr
!= NULL
) {
1517 char *tmp_host
= host
, *tmp_port
= port
;
1518 if (connectstr
== NULL
) {
1519 BIO_printf(bio_err
, "%s: -proxy requires use of -connect or target parameter\n", prog
);
1522 res
= BIO_parse_hostserv(proxystr
, &host
, &port
, BIO_PARSE_PRIO_HOST
);
1523 if (tmp_host
!= host
)
1524 OPENSSL_free(tmp_host
);
1525 if (tmp_port
!= port
)
1526 OPENSSL_free(tmp_port
);
1529 "%s: -proxy argument malformed or ambiguous\n", prog
);
1534 char *tmp_host
= host
, *tmp_port
= port
;
1535 if (connectstr
!= NULL
)
1536 res
= BIO_parse_hostserv(connectstr
, &host
, &port
,
1537 BIO_PARSE_PRIO_HOST
);
1538 if (tmp_host
!= host
)
1539 OPENSSL_free(tmp_host
);
1540 if (tmp_port
!= port
)
1541 OPENSSL_free(tmp_port
);
1544 "%s: -connect argument or target parameter malformed or ambiguous\n",
1551 if (socket_family
== AF_UNIX
&& socket_type
!= SOCK_STREAM
) {
1553 "Can't use unix sockets and datagrams together\n");
1558 #ifndef OPENSSL_NO_SCTP
1559 if (protocol
== IPPROTO_SCTP
) {
1560 if (socket_type
!= SOCK_DGRAM
) {
1561 BIO_printf(bio_err
, "Can't use -sctp without DTLS\n");
1564 /* SCTP is unusual. It uses DTLS over a SOCK_STREAM protocol */
1565 socket_type
= SOCK_STREAM
;
1569 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1570 next_proto
.status
= -1;
1571 if (next_proto_neg_in
) {
1573 next_protos_parse(&next_proto
.len
, next_proto_neg_in
);
1574 if (next_proto
.data
== NULL
) {
1575 BIO_printf(bio_err
, "Error parsing -nextprotoneg argument\n");
1579 next_proto
.data
= NULL
;
1582 if (!app_passwd(passarg
, NULL
, &pass
, NULL
)) {
1583 BIO_printf(bio_err
, "Error getting password\n");
1587 if (key_file
== NULL
)
1588 key_file
= cert_file
;
1590 if (key_file
!= NULL
) {
1591 key
= load_key(key_file
, key_format
, 0, pass
, e
,
1592 "client certificate private key file");
1594 ERR_print_errors(bio_err
);
1599 if (cert_file
!= NULL
) {
1600 cert
= load_cert(cert_file
, cert_format
, "client certificate file");
1602 ERR_print_errors(bio_err
);
1607 if (chain_file
!= NULL
) {
1608 if (!load_certs(chain_file
, &chain
, FORMAT_PEM
, NULL
,
1609 "client certificate chain"))
1613 if (crl_file
!= NULL
) {
1615 crl
= load_crl(crl_file
, crl_format
);
1617 BIO_puts(bio_err
, "Error loading CRL\n");
1618 ERR_print_errors(bio_err
);
1621 crls
= sk_X509_CRL_new_null();
1622 if (crls
== NULL
|| !sk_X509_CRL_push(crls
, crl
)) {
1623 BIO_puts(bio_err
, "Error adding CRL\n");
1624 ERR_print_errors(bio_err
);
1630 if (!load_excert(&exc
))
1633 if (bio_c_out
== NULL
) {
1634 if (c_quiet
&& !c_debug
) {
1635 bio_c_out
= BIO_new(BIO_s_null());
1636 if (c_msg
&& bio_c_msg
== NULL
)
1637 bio_c_msg
= dup_bio_out(FORMAT_TEXT
);
1638 } else if (bio_c_out
== NULL
)
1639 bio_c_out
= dup_bio_out(FORMAT_TEXT
);
1641 #ifndef OPENSSL_NO_SRP
1642 if (!app_passwd(srppass
, NULL
, &srp_arg
.srppassin
, NULL
)) {
1643 BIO_printf(bio_err
, "Error getting password\n");
1648 ctx
= SSL_CTX_new(meth
);
1650 ERR_print_errors(bio_err
);
1655 ssl_ctx_security_debug(ctx
, sdebug
);
1657 if (ssl_config
!= NULL
) {
1658 if (SSL_CTX_config(ctx
, ssl_config
) == 0) {
1659 BIO_printf(bio_err
, "Error using configuration \"%s\"\n",
1661 ERR_print_errors(bio_err
);
1666 if (SSL_CTX_set_min_proto_version(ctx
, min_version
) == 0)
1668 if (SSL_CTX_set_max_proto_version(ctx
, max_version
) == 0)
1671 if (vpmtouched
&& !SSL_CTX_set1_param(ctx
, vpm
)) {
1672 BIO_printf(bio_err
, "Error setting verify params\n");
1673 ERR_print_errors(bio_err
);
1678 SSL_CTX_set_mode(ctx
, SSL_MODE_ASYNC
);
1681 if (max_send_fragment
> 0
1682 && !SSL_CTX_set_max_send_fragment(ctx
, max_send_fragment
)) {
1683 BIO_printf(bio_err
, "%s: Max send fragment size %u is out of permitted range\n",
1684 prog
, max_send_fragment
);
1688 if (split_send_fragment
> 0
1689 && !SSL_CTX_set_split_send_fragment(ctx
, split_send_fragment
)) {
1690 BIO_printf(bio_err
, "%s: Split send fragment size %u is out of permitted range\n",
1691 prog
, split_send_fragment
);
1695 if (max_pipelines
> 0
1696 && !SSL_CTX_set_max_pipelines(ctx
, max_pipelines
)) {
1697 BIO_printf(bio_err
, "%s: Max pipelines %u is out of permitted range\n",
1698 prog
, max_pipelines
);
1702 if (read_buf_len
> 0) {
1703 SSL_CTX_set_default_read_buffer_len(ctx
, read_buf_len
);
1707 && !SSL_CTX_set_tlsext_max_fragment_length(ctx
, maxfraglen
)) {
1709 "%s: Max Fragment Length code %u is out of permitted values"
1710 "\n", prog
, maxfraglen
);
1714 if (!config_ctx(cctx
, ssl_args
, ctx
))
1717 if (!ssl_load_stores(ctx
, vfyCApath
, vfyCAfile
, chCApath
, chCAfile
,
1718 crls
, crl_download
)) {
1719 BIO_printf(bio_err
, "Error loading store locations\n");
1720 ERR_print_errors(bio_err
);
1723 if (ReqCAfile
!= NULL
) {
1724 STACK_OF(X509_NAME
) *nm
= sk_X509_NAME_new_null();
1726 if (nm
== NULL
|| !SSL_add_file_cert_subjects_to_stack(nm
, ReqCAfile
)) {
1727 sk_X509_NAME_pop_free(nm
, X509_NAME_free
);
1728 BIO_printf(bio_err
, "Error loading CA names\n");
1729 ERR_print_errors(bio_err
);
1732 SSL_CTX_set0_CA_list(ctx
, nm
);
1734 #ifndef OPENSSL_NO_ENGINE
1735 if (ssl_client_engine
) {
1736 if (!SSL_CTX_set_client_cert_engine(ctx
, ssl_client_engine
)) {
1737 BIO_puts(bio_err
, "Error setting client auth engine\n");
1738 ERR_print_errors(bio_err
);
1739 ENGINE_free(ssl_client_engine
);
1742 ENGINE_free(ssl_client_engine
);
1746 #ifndef OPENSSL_NO_PSK
1747 if (psk_key
!= NULL
) {
1749 BIO_printf(bio_c_out
, "PSK key given, setting client callback\n");
1750 SSL_CTX_set_psk_client_callback(ctx
, psk_client_cb
);
1753 if (psksessf
!= NULL
) {
1754 BIO
*stmp
= BIO_new_file(psksessf
, "r");
1757 BIO_printf(bio_err
, "Can't open PSK session file %s\n", psksessf
);
1758 ERR_print_errors(bio_err
);
1761 psksess
= PEM_read_bio_SSL_SESSION(stmp
, NULL
, 0, NULL
);
1763 if (psksess
== NULL
) {
1764 BIO_printf(bio_err
, "Can't read PSK session file %s\n", psksessf
);
1765 ERR_print_errors(bio_err
);
1769 if (psk_key
!= NULL
|| psksess
!= NULL
)
1770 SSL_CTX_set_psk_use_session_callback(ctx
, psk_use_session_cb
);
1772 #ifndef OPENSSL_NO_SRTP
1773 if (srtp_profiles
!= NULL
) {
1774 /* Returns 0 on success! */
1775 if (SSL_CTX_set_tlsext_use_srtp(ctx
, srtp_profiles
) != 0) {
1776 BIO_printf(bio_err
, "Error setting SRTP profile\n");
1777 ERR_print_errors(bio_err
);
1784 ssl_ctx_set_excert(ctx
, exc
);
1786 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1787 if (next_proto
.data
!= NULL
)
1788 SSL_CTX_set_next_proto_select_cb(ctx
, next_proto_cb
, &next_proto
);
1792 unsigned char *alpn
= next_protos_parse(&alpn_len
, alpn_in
);
1795 BIO_printf(bio_err
, "Error parsing -alpn argument\n");
1798 /* Returns 0 on success! */
1799 if (SSL_CTX_set_alpn_protos(ctx
, alpn
, alpn_len
) != 0) {
1800 BIO_printf(bio_err
, "Error setting ALPN\n");
1806 for (i
= 0; i
< serverinfo_count
; i
++) {
1807 if (!SSL_CTX_add_client_custom_ext(ctx
,
1808 serverinfo_types
[i
],
1810 serverinfo_cli_parse_cb
, NULL
)) {
1812 "Warning: Unable to add custom extension %u, skipping\n",
1813 serverinfo_types
[i
]);
1818 SSL_CTX_set_info_callback(ctx
, apps_ssl_info_callback
);
1820 #ifndef OPENSSL_NO_CT
1821 /* Enable SCT processing, without early connection termination */
1822 if (ct_validation
&&
1823 !SSL_CTX_enable_ct(ctx
, SSL_CT_VALIDATION_PERMISSIVE
)) {
1824 ERR_print_errors(bio_err
);
1828 if (!ctx_set_ctlog_list_file(ctx
, ctlog_file
)) {
1829 if (ct_validation
) {
1830 ERR_print_errors(bio_err
);
1835 * If CT validation is not enabled, the log list isn't needed so don't
1836 * show errors or abort. We try to load it regardless because then we
1837 * can show the names of the logs any SCTs came from (SCTs may be seen
1838 * even with validation disabled).
1844 SSL_CTX_set_verify(ctx
, verify
, verify_callback
);
1846 if (!ctx_set_verify_locations(ctx
, CAfile
, CApath
, noCAfile
, noCApath
)) {
1847 ERR_print_errors(bio_err
);
1851 ssl_ctx_add_crls(ctx
, crls
, crl_download
);
1853 if (!set_cert_key_stuff(ctx
, cert
, key
, chain
, build_chain
))
1856 if (!noservername
) {
1857 tlsextcbp
.biodebug
= bio_err
;
1858 SSL_CTX_set_tlsext_servername_callback(ctx
, ssl_servername_cb
);
1859 SSL_CTX_set_tlsext_servername_arg(ctx
, &tlsextcbp
);
1861 # ifndef OPENSSL_NO_SRP
1862 if (srp_arg
.srplogin
) {
1863 if (!srp_lateuser
&& !SSL_CTX_set_srp_username(ctx
, srp_arg
.srplogin
)) {
1864 BIO_printf(bio_err
, "Unable to set SRP username\n");
1867 srp_arg
.msg
= c_msg
;
1868 srp_arg
.debug
= c_debug
;
1869 SSL_CTX_set_srp_cb_arg(ctx
, &srp_arg
);
1870 SSL_CTX_set_srp_client_pwd_callback(ctx
, ssl_give_srp_client_pwd_cb
);
1871 SSL_CTX_set_srp_strength(ctx
, srp_arg
.strength
);
1872 if (c_msg
|| c_debug
|| srp_arg
.amp
== 0)
1873 SSL_CTX_set_srp_verify_param_callback(ctx
,
1874 ssl_srp_verify_param_cb
);
1878 if (dane_tlsa_domain
!= NULL
) {
1879 if (SSL_CTX_dane_enable(ctx
) <= 0) {
1881 "%s: Error enabling DANE TLSA authentication.\n",
1883 ERR_print_errors(bio_err
);
1889 * In TLSv1.3 NewSessionTicket messages arrive after the handshake and can
1890 * come at any time. Therefore we use a callback to write out the session
1891 * when we know about it. This approach works for < TLSv1.3 as well.
1893 if (sess_out
!= NULL
) {
1894 SSL_CTX_set_session_cache_mode(ctx
, SSL_SESS_CACHE_CLIENT
1895 | SSL_SESS_CACHE_NO_INTERNAL_STORE
);
1896 SSL_CTX_sess_set_new_cb(ctx
, new_session_cb
);
1899 if (set_keylog_file(ctx
, keylog_file
))
1906 if (sess_in
!= NULL
) {
1908 BIO
*stmp
= BIO_new_file(sess_in
, "r");
1910 BIO_printf(bio_err
, "Can't open session file %s\n", sess_in
);
1911 ERR_print_errors(bio_err
);
1914 sess
= PEM_read_bio_SSL_SESSION(stmp
, NULL
, 0, NULL
);
1917 BIO_printf(bio_err
, "Can't open session file %s\n", sess_in
);
1918 ERR_print_errors(bio_err
);
1921 if (!SSL_set_session(con
, sess
)) {
1922 BIO_printf(bio_err
, "Can't set session\n");
1923 ERR_print_errors(bio_err
);
1927 SSL_SESSION_free(sess
);
1931 SSL_set_mode(con
, SSL_MODE_SEND_FALLBACK_SCSV
);
1933 if (!noservername
&& (servername
!= NULL
|| dane_tlsa_domain
== NULL
)) {
1934 if (servername
== NULL
)
1935 servername
= (host
== NULL
) ? "localhost" : host
;
1936 if (!SSL_set_tlsext_host_name(con
, servername
)) {
1937 BIO_printf(bio_err
, "Unable to set TLS servername extension.\n");
1938 ERR_print_errors(bio_err
);
1943 if (dane_tlsa_domain
!= NULL
) {
1944 if (SSL_dane_enable(con
, dane_tlsa_domain
) <= 0) {
1945 BIO_printf(bio_err
, "%s: Error enabling DANE TLSA "
1946 "authentication.\n", prog
);
1947 ERR_print_errors(bio_err
);
1950 if (dane_tlsa_rrset
== NULL
) {
1951 BIO_printf(bio_err
, "%s: DANE TLSA authentication requires at "
1952 "least one -dane_tlsa_rrdata option.\n", prog
);
1955 if (tlsa_import_rrset(con
, dane_tlsa_rrset
) <= 0) {
1956 BIO_printf(bio_err
, "%s: Failed to import any TLSA "
1957 "records.\n", prog
);
1960 if (dane_ee_no_name
)
1961 SSL_dane_set_flags(con
, DANE_FLAG_NO_DANE_EE_NAMECHECKS
);
1962 } else if (dane_tlsa_rrset
!= NULL
) {
1963 BIO_printf(bio_err
, "%s: DANE TLSA authentication requires the "
1964 "-dane_tlsa_domain option.\n", prog
);
1969 if (init_client(&s
, host
, port
, socket_family
, socket_type
, protocol
)
1971 BIO_printf(bio_err
, "connect:errno=%d\n", get_last_socket_error());
1975 BIO_printf(bio_c_out
, "CONNECTED(%08X)\n", s
);
1978 if (!BIO_socket_nbio(s
, 1)) {
1979 ERR_print_errors(bio_err
);
1982 BIO_printf(bio_c_out
, "Turned on non blocking io\n");
1984 #ifndef OPENSSL_NO_DTLS
1986 union BIO_sock_info_u peer_info
;
1988 #ifndef OPENSSL_NO_SCTP
1989 if (protocol
== IPPROTO_SCTP
)
1990 sbio
= BIO_new_dgram_sctp(s
, BIO_NOCLOSE
);
1993 sbio
= BIO_new_dgram(s
, BIO_NOCLOSE
);
1995 if ((peer_info
.addr
= BIO_ADDR_new()) == NULL
) {
1996 BIO_printf(bio_err
, "memory allocation failure\n");
2000 if (!BIO_sock_info(s
, BIO_SOCK_INFO_ADDRESS
, &peer_info
)) {
2001 BIO_printf(bio_err
, "getsockname:errno=%d\n",
2002 get_last_socket_error());
2003 BIO_ADDR_free(peer_info
.addr
);
2008 (void)BIO_ctrl_set_connected(sbio
, peer_info
.addr
);
2009 BIO_ADDR_free(peer_info
.addr
);
2010 peer_info
.addr
= NULL
;
2012 if (enable_timeouts
) {
2014 timeout
.tv_usec
= DGRAM_RCV_TIMEOUT
;
2015 BIO_ctrl(sbio
, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT
, 0, &timeout
);
2018 timeout
.tv_usec
= DGRAM_SND_TIMEOUT
;
2019 BIO_ctrl(sbio
, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT
, 0, &timeout
);
2023 if (socket_mtu
< DTLS_get_link_min_mtu(con
)) {
2024 BIO_printf(bio_err
, "MTU too small. Must be at least %ld\n",
2025 DTLS_get_link_min_mtu(con
));
2029 SSL_set_options(con
, SSL_OP_NO_QUERY_MTU
);
2030 if (!DTLS_set_link_mtu(con
, socket_mtu
)) {
2031 BIO_printf(bio_err
, "Failed to set MTU\n");
2036 /* want to do MTU discovery */
2037 BIO_ctrl(sbio
, BIO_CTRL_DGRAM_MTU_DISCOVER
, 0, NULL
);
2040 #endif /* OPENSSL_NO_DTLS */
2041 sbio
= BIO_new_socket(s
, BIO_NOCLOSE
);
2046 test
= BIO_new(BIO_f_nbio_test());
2047 sbio
= BIO_push(test
, sbio
);
2051 BIO_set_callback(sbio
, bio_dump_callback
);
2052 BIO_set_callback_arg(sbio
, (char *)bio_c_out
);
2055 #ifndef OPENSSL_NO_SSL_TRACE
2057 SSL_set_msg_callback(con
, SSL_trace
);
2060 SSL_set_msg_callback(con
, msg_cb
);
2061 SSL_set_msg_callback_arg(con
, bio_c_msg
? bio_c_msg
: bio_c_out
);
2064 if (c_tlsextdebug
) {
2065 SSL_set_tlsext_debug_callback(con
, tlsext_cb
);
2066 SSL_set_tlsext_debug_arg(con
, bio_c_out
);
2068 #ifndef OPENSSL_NO_OCSP
2070 SSL_set_tlsext_status_type(con
, TLSEXT_STATUSTYPE_ocsp
);
2071 SSL_CTX_set_tlsext_status_cb(ctx
, ocsp_resp_cb
);
2072 SSL_CTX_set_tlsext_status_arg(ctx
, bio_c_out
);
2076 SSL_set_bio(con
, sbio
, sbio
);
2077 SSL_set_connect_state(con
);
2079 /* ok, lets connect */
2080 if (fileno_stdin() > SSL_get_fd(con
))
2081 width
= fileno_stdin() + 1;
2083 width
= SSL_get_fd(con
) + 1;
2096 switch ((PROTOCOL_CHOICE
) starttls_proto
) {
2103 * This is an ugly hack that does a lot of assumptions. We do
2104 * have to handle multi-line responses which may come in a single
2105 * packet or not. We therefore have to use BIO_gets() which does
2106 * need a buffering BIO. So during the initial chitchat we do
2107 * push a buffering BIO into the chain that is removed again
2108 * later on to not disturb the rest of the s_client operation.
2111 BIO
*fbio
= BIO_new(BIO_f_buffer());
2113 BIO_push(fbio
, sbio
);
2114 /* Wait for multi-line response to end from LMTP or SMTP */
2116 mbuf_len
= BIO_gets(fbio
, mbuf
, BUFSIZZ
);
2117 } while (mbuf_len
> 3 && mbuf
[3] == '-');
2118 if (protohost
== NULL
)
2119 protohost
= "mail.example.com";
2120 if (starttls_proto
== (int)PROTO_LMTP
)
2121 BIO_printf(fbio
, "LHLO %s\r\n", protohost
);
2123 BIO_printf(fbio
, "EHLO %s\r\n", protohost
);
2124 (void)BIO_flush(fbio
);
2126 * Wait for multi-line response to end LHLO LMTP or EHLO SMTP
2130 mbuf_len
= BIO_gets(fbio
, mbuf
, BUFSIZZ
);
2131 if (strstr(mbuf
, "STARTTLS"))
2133 } while (mbuf_len
> 3 && mbuf
[3] == '-');
2134 (void)BIO_flush(fbio
);
2139 "Didn't find STARTTLS in server response,"
2140 " trying anyway...\n");
2141 BIO_printf(sbio
, "STARTTLS\r\n");
2142 BIO_read(sbio
, sbuf
, BUFSIZZ
);
2147 BIO_read(sbio
, mbuf
, BUFSIZZ
);
2148 BIO_printf(sbio
, "STLS\r\n");
2149 mbuf_len
= BIO_read(sbio
, sbuf
, BUFSIZZ
);
2151 BIO_printf(bio_err
, "BIO_read failed\n");
2159 BIO
*fbio
= BIO_new(BIO_f_buffer());
2161 BIO_push(fbio
, sbio
);
2162 BIO_gets(fbio
, mbuf
, BUFSIZZ
);
2163 /* STARTTLS command requires CAPABILITY... */
2164 BIO_printf(fbio
, ". CAPABILITY\r\n");
2165 (void)BIO_flush(fbio
);
2166 /* wait for multi-line CAPABILITY response */
2168 mbuf_len
= BIO_gets(fbio
, mbuf
, BUFSIZZ
);
2169 if (strstr(mbuf
, "STARTTLS"))
2172 while (mbuf_len
> 3 && mbuf
[0] != '.');
2173 (void)BIO_flush(fbio
);
2178 "Didn't find STARTTLS in server response,"
2179 " trying anyway...\n");
2180 BIO_printf(sbio
, ". STARTTLS\r\n");
2181 BIO_read(sbio
, sbuf
, BUFSIZZ
);
2186 BIO
*fbio
= BIO_new(BIO_f_buffer());
2188 BIO_push(fbio
, sbio
);
2189 /* wait for multi-line response to end from FTP */
2191 mbuf_len
= BIO_gets(fbio
, mbuf
, BUFSIZZ
);
2193 while (mbuf_len
> 3 && mbuf
[3] == '-');
2194 (void)BIO_flush(fbio
);
2197 BIO_printf(sbio
, "AUTH TLS\r\n");
2198 BIO_read(sbio
, sbuf
, BUFSIZZ
);
2202 case PROTO_XMPP_SERVER
:
2205 BIO_printf(sbio
, "<stream:stream "
2206 "xmlns:stream='http://etherx.jabber.org/streams' "
2207 "xmlns='jabber:%s' to='%s' version='1.0'>",
2208 starttls_proto
== PROTO_XMPP
? "client" : "server",
2209 protohost
? protohost
: host
);
2210 seen
= BIO_read(sbio
, mbuf
, BUFSIZZ
);
2212 BIO_printf(bio_err
, "BIO_read failed\n");
2217 (mbuf
, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")
2219 "<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\""))
2221 seen
= BIO_read(sbio
, mbuf
, BUFSIZZ
);
2229 "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
2230 seen
= BIO_read(sbio
, sbuf
, BUFSIZZ
);
2232 BIO_printf(bio_err
, "BIO_read failed\n");
2236 if (!strstr(sbuf
, "<proceed"))
2243 static const unsigned char tls_do
[] = {
2244 /* IAC DO START_TLS */
2247 static const unsigned char tls_will
[] = {
2248 /* IAC WILL START_TLS */
2251 static const unsigned char tls_follows
[] = {
2252 /* IAC SB START_TLS FOLLOWS IAC SE */
2253 255, 250, 46, 1, 255, 240
2257 /* Telnet server should demand we issue START_TLS */
2258 bytes
= BIO_read(sbio
, mbuf
, BUFSIZZ
);
2259 if (bytes
!= 3 || memcmp(mbuf
, tls_do
, 3) != 0)
2261 /* Agree to issue START_TLS and send the FOLLOWS sub-command */
2262 BIO_write(sbio
, tls_will
, 3);
2263 BIO_write(sbio
, tls_follows
, 6);
2264 (void)BIO_flush(sbio
);
2265 /* Telnet server also sent the FOLLOWS sub-command */
2266 bytes
= BIO_read(sbio
, mbuf
, BUFSIZZ
);
2267 if (bytes
!= 6 || memcmp(mbuf
, tls_follows
, 6) != 0)
2274 error_proto
, /* Wrong protocol, not even HTTP */
2275 error_connect
, /* CONNECT failed */
2277 } foundit
= error_connect
;
2278 BIO
*fbio
= BIO_new(BIO_f_buffer());
2280 BIO_push(fbio
, sbio
);
2281 BIO_printf(fbio
, "CONNECT %s HTTP/1.0\r\n\r\n", connectstr
);
2282 (void)BIO_flush(fbio
);
2284 * The first line is the HTTP response. According to RFC 7230,
2285 * it's formated exactly like this:
2287 * HTTP/d.d ddd Reason text\r\n
2289 mbuf_len
= BIO_gets(fbio
, mbuf
, BUFSIZZ
);
2290 if (mbuf_len
< (int)strlen("HTTP/1.0 200")) {
2292 "%s: HTTP CONNECT failed, insufficient response "
2293 "from proxy (got %d octets)\n", prog
, mbuf_len
);
2294 (void)BIO_flush(fbio
);
2299 if (mbuf
[8] != ' ') {
2301 "%s: HTTP CONNECT failed, incorrect response "
2302 "from proxy\n", prog
);
2303 foundit
= error_proto
;
2304 } else if (mbuf
[9] != '2') {
2305 BIO_printf(bio_err
, "%s: HTTP CONNECT failed: %s ", prog
,
2310 if (foundit
!= error_proto
) {
2311 /* Read past all following headers */
2313 mbuf_len
= BIO_gets(fbio
, mbuf
, BUFSIZZ
);
2314 } while (mbuf_len
> 2);
2316 (void)BIO_flush(fbio
);
2319 if (foundit
!= success
) {
2327 BIO
*fbio
= BIO_new(BIO_f_buffer());
2329 BIO_push(fbio
, sbio
);
2330 BIO_printf(fbio
, "STARTTLS\r\n");
2331 (void)BIO_flush(fbio
);
2332 width
= SSL_get_fd(con
) + 1;
2338 openssl_fdset(SSL_get_fd(con
), &readfds
);
2339 timeout
.tv_sec
= S_CLIENT_IRC_READ_TIMEOUT
;
2340 timeout
.tv_usec
= 0;
2342 * If the IRCd doesn't respond within
2343 * S_CLIENT_IRC_READ_TIMEOUT seconds, assume
2344 * it doesn't support STARTTLS. Many IRCds
2345 * will not give _any_ sort of response to a
2346 * STARTTLS command when it's not supported.
2348 if (!BIO_get_buffer_num_lines(fbio
)
2349 && !BIO_pending(fbio
)
2350 && !BIO_pending(sbio
)
2351 && select(width
, (void *)&readfds
, NULL
, NULL
,
2354 "Timeout waiting for response (%d seconds).\n",
2355 S_CLIENT_IRC_READ_TIMEOUT
);
2359 mbuf_len
= BIO_gets(fbio
, mbuf
, BUFSIZZ
);
2360 if (mbuf_len
< 1 || sscanf(mbuf
, "%*s %d", &numeric
) != 1)
2362 /* :example.net 451 STARTTLS :You have not registered */
2363 /* :example.net 421 STARTTLS :Unknown command */
2364 if ((numeric
== 451 || numeric
== 421)
2365 && strstr(mbuf
, "STARTTLS") != NULL
) {
2366 BIO_printf(bio_err
, "STARTTLS not supported: %s", mbuf
);
2369 if (numeric
== 691) {
2370 BIO_printf(bio_err
, "STARTTLS negotiation failed: ");
2371 ERR_print_errors(bio_err
);
2374 } while (numeric
!= 670);
2376 (void)BIO_flush(fbio
);
2379 if (numeric
!= 670) {
2380 BIO_printf(bio_err
, "Server does not support STARTTLS.\n");
2388 /* SSL request packet */
2389 static const unsigned char ssl_req
[] = {
2390 /* payload_length, sequence_id */
2391 0x20, 0x00, 0x00, 0x01,
2393 /* capability flags, CLIENT_SSL always set */
2394 0x85, 0xae, 0x7f, 0x00,
2395 /* max-packet size */
2396 0x00, 0x00, 0x00, 0x01,
2399 /* string[23] reserved (all [0]) */
2400 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
2401 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
2402 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
2405 int ssl_flg
= 0x800;
2407 const unsigned char *packet
= (const unsigned char *)sbuf
;
2409 /* Receiving Initial Handshake packet. */
2410 bytes
= BIO_read(sbio
, (void *)packet
, BUFSIZZ
);
2412 BIO_printf(bio_err
, "BIO_read failed\n");
2414 /* Packet length[3], Packet number[1] + minimum payload[17] */
2415 } else if (bytes
< 21) {
2416 BIO_printf(bio_err
, "MySQL packet too short.\n");
2418 } else if (bytes
!= (4 + packet
[0] +
2420 (packet
[2] << 16))) {
2421 BIO_printf(bio_err
, "MySQL packet length does not match.\n");
2423 /* protocol version[1] */
2424 } else if (packet
[4] != 0xA) {
2426 "Only MySQL protocol version 10 is supported.\n");
2431 /* server version[string+NULL] */
2434 BIO_printf(bio_err
, "Cannot confirm server version. ");
2436 } else if (packet
[pos
++] == '\0') {
2441 /* make sure we have at least 15 bytes left in the packet */
2442 if (pos
+ 15 > bytes
) {
2444 "MySQL server handshake packet is broken.\n");
2448 pos
+= 12; /* skip over conn id[4] + SALT[8] */
2449 if (packet
[pos
++] != '\0') { /* verify filler */
2451 "MySQL packet is broken.\n");
2455 /* capability flags[2] */
2456 if (!((packet
[pos
] + (packet
[pos
+ 1] << 8)) & ssl_flg
)) {
2457 BIO_printf(bio_err
, "MySQL server does not support SSL.\n");
2461 /* Sending SSL Handshake packet. */
2462 BIO_write(sbio
, ssl_req
, sizeof(ssl_req
));
2463 (void)BIO_flush(sbio
);
2466 case PROTO_POSTGRES
:
2468 static const unsigned char ssl_request
[] = {
2469 /* Length SSLRequest */
2470 0, 0, 0, 8, 4, 210, 22, 47
2474 /* Send SSLRequest packet */
2475 BIO_write(sbio
, ssl_request
, 8);
2476 (void)BIO_flush(sbio
);
2478 /* Reply will be a single S if SSL is enabled */
2479 bytes
= BIO_read(sbio
, sbuf
, BUFSIZZ
);
2480 if (bytes
!= 1 || sbuf
[0] != 'S')
2487 BIO
*fbio
= BIO_new(BIO_f_buffer());
2489 BIO_push(fbio
, sbio
);
2490 BIO_gets(fbio
, mbuf
, BUFSIZZ
);
2491 /* STARTTLS command requires CAPABILITIES... */
2492 BIO_printf(fbio
, "CAPABILITIES\r\n");
2493 (void)BIO_flush(fbio
);
2494 /* wait for multi-line CAPABILITIES response */
2496 mbuf_len
= BIO_gets(fbio
, mbuf
, BUFSIZZ
);
2497 if (strstr(mbuf
, "STARTTLS"))
2499 } while (mbuf_len
> 1 && mbuf
[0] != '.');
2500 (void)BIO_flush(fbio
);
2505 "Didn't find STARTTLS in server response,"
2506 " trying anyway...\n");
2507 BIO_printf(sbio
, "STARTTLS\r\n");
2508 mbuf_len
= BIO_read(sbio
, mbuf
, BUFSIZZ
);
2510 BIO_printf(bio_err
, "BIO_read failed\n");
2513 mbuf
[mbuf_len
] = '\0';
2514 if (strstr(mbuf
, "382") == NULL
) {
2515 BIO_printf(bio_err
, "STARTTLS failed: %s", mbuf
);
2523 BIO
*fbio
= BIO_new(BIO_f_buffer());
2525 BIO_push(fbio
, sbio
);
2526 /* wait for multi-line response to end from Sieve */
2528 mbuf_len
= BIO_gets(fbio
, mbuf
, BUFSIZZ
);
2530 * According to RFC 5804 § 1.7, capability
2531 * is case-insensitive, make it uppercase
2533 if (mbuf_len
> 1 && mbuf
[0] == '"') {
2534 make_uppercase(mbuf
);
2535 if (strncmp(mbuf
, "\"STARTTLS\"", 10) == 0)
2538 } while (mbuf_len
> 1 && mbuf
[0] == '"');
2539 (void)BIO_flush(fbio
);
2544 "Didn't find STARTTLS in server response,"
2545 " trying anyway...\n");
2546 BIO_printf(sbio
, "STARTTLS\r\n");
2547 mbuf_len
= BIO_read(sbio
, mbuf
, BUFSIZZ
);
2549 BIO_printf(bio_err
, "BIO_read failed\n");
2552 mbuf
[mbuf_len
] = '\0';
2554 BIO_printf(bio_err
, "STARTTLS failed: %s", mbuf
);
2558 * According to RFC 5804 § 2.2, response codes are case-
2559 * insensitive, make it uppercase but preserve the response.
2561 strncpy(sbuf
, mbuf
, 2);
2562 make_uppercase(sbuf
);
2563 if (strncmp(sbuf
, "OK", 2) != 0) {
2564 BIO_printf(bio_err
, "STARTTLS not supported: %s", mbuf
);
2571 /* StartTLS Operation according to RFC 4511 */
2572 static char ldap_tls_genconf
[] = "asn1=SEQUENCE:LDAPMessage\n"
2574 "messageID=INTEGER:1\n"
2575 "extendedReq=EXPLICIT:23A,IMPLICIT:0C,"
2576 "FORMAT:ASCII,OCT:1.3.6.1.4.1.1466.20037\n";
2578 char *genstr
= NULL
;
2580 ASN1_TYPE
*atyp
= NULL
;
2581 BIO
*ldapbio
= BIO_new(BIO_s_mem());
2582 CONF
*cnf
= NCONF_new(NULL
);
2588 BIO_puts(ldapbio
, ldap_tls_genconf
);
2589 if (NCONF_load_bio(cnf
, ldapbio
, &errline
) <= 0) {
2593 BIO_printf(bio_err
, "NCONF_load_bio failed\n");
2596 BIO_printf(bio_err
, "Error on line %ld\n", errline
);
2601 genstr
= NCONF_get_string(cnf
, "default", "asn1");
2602 if (genstr
== NULL
) {
2604 BIO_printf(bio_err
, "NCONF_get_string failed\n");
2607 atyp
= ASN1_generate_nconf(genstr
, cnf
);
2610 BIO_printf(bio_err
, "ASN1_generate_nconf failed\n");
2615 /* Send SSLRequest packet */
2616 BIO_write(sbio
, atyp
->value
.sequence
->data
,
2617 atyp
->value
.sequence
->length
);
2618 (void)BIO_flush(sbio
);
2619 ASN1_TYPE_free(atyp
);
2621 mbuf_len
= BIO_read(sbio
, mbuf
, BUFSIZZ
);
2623 BIO_printf(bio_err
, "BIO_read failed\n");
2626 result
= ldap_ExtendedResponse_parse(mbuf
, mbuf_len
);
2628 BIO_printf(bio_err
, "ldap_ExtendedResponse_parse failed\n");
2630 } else if (result
> 0) {
2631 BIO_printf(bio_err
, "STARTTLS failed, LDAP Result Code: %i\n",
2640 if (early_data_file
!= NULL
2641 && ((SSL_get0_session(con
) != NULL
2642 && SSL_SESSION_get_max_early_data(SSL_get0_session(con
)) > 0)
2644 && SSL_SESSION_get_max_early_data(psksess
) > 0))) {
2645 BIO
*edfile
= BIO_new_file(early_data_file
, "r");
2646 size_t readbytes
, writtenbytes
;
2649 if (edfile
== NULL
) {
2650 BIO_printf(bio_err
, "Cannot open early data file\n");
2655 if (!BIO_read_ex(edfile
, cbuf
, BUFSIZZ
, &readbytes
))
2658 while (!SSL_write_early_data(con
, cbuf
, readbytes
, &writtenbytes
)) {
2659 switch (SSL_get_error(con
, 0)) {
2660 case SSL_ERROR_WANT_WRITE
:
2661 case SSL_ERROR_WANT_ASYNC
:
2662 case SSL_ERROR_WANT_READ
:
2663 /* Just keep trying - busy waiting */
2666 BIO_printf(bio_err
, "Error writing early data\n");
2668 ERR_print_errors(bio_err
);
2681 if ((SSL_version(con
) == DTLS1_VERSION
) &&
2682 DTLSv1_get_timeout(con
, &timeout
))
2683 timeoutp
= &timeout
;
2687 if (!SSL_is_init_finished(con
) && SSL_total_renegotiations(con
) == 0
2688 && SSL_get_key_update_type(con
) == SSL_KEY_UPDATE_NONE
) {
2697 BIO_puts(bio_err
, "CONNECTION ESTABLISHED\n");
2698 print_ssl_summary(con
);
2701 print_stuff(bio_c_out
, con
, full_log
);
2705 if (starttls_proto
) {
2706 BIO_write(bio_err
, mbuf
, mbuf_len
);
2707 /* We don't need to know any more */
2709 starttls_proto
= PROTO_OFF
;
2714 BIO_printf(bio_c_out
,
2715 "drop connection and then reconnect\n");
2716 do_ssl_shutdown(con
);
2717 SSL_set_connect_state(con
);
2718 BIO_closesocket(SSL_get_fd(con
));
2724 ssl_pending
= read_ssl
&& SSL_has_pending(con
);
2727 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
2730 * Note that select() returns when read _would not block_,
2731 * and EOF satisfies that. To avoid a CPU-hogging loop,
2732 * set the flag so we exit.
2734 if (read_tty
&& !at_eof
)
2735 openssl_fdset(fileno_stdin(), &readfds
);
2736 #if !defined(OPENSSL_SYS_VMS)
2738 openssl_fdset(fileno_stdout(), &writefds
);
2742 openssl_fdset(SSL_get_fd(con
), &readfds
);
2744 openssl_fdset(SSL_get_fd(con
), &writefds
);
2746 if (!tty_on
|| !write_tty
) {
2748 openssl_fdset(SSL_get_fd(con
), &readfds
);
2750 openssl_fdset(SSL_get_fd(con
), &writefds
);
2755 * Note: under VMS with SOCKETSHR the second parameter is
2756 * currently of type (int *) whereas under other systems it is
2757 * (void *) if you don't have a cast it will choke the compiler:
2758 * if you do have a cast then you can either go for (int *) or
2761 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2763 * Under Windows/DOS we make the assumption that we can always
2764 * write to the tty: therefore if we need to write to the tty we
2765 * just fall through. Otherwise we timeout the select every
2766 * second and see if there are any keypresses. Note: this is a
2767 * hack, in a proper Windows application we wouldn't do this.
2774 i
= select(width
, (void *)&readfds
, (void *)&writefds
,
2776 if (!i
&& (!has_stdin_waiting() || !read_tty
))
2779 i
= select(width
, (void *)&readfds
, (void *)&writefds
,
2783 i
= select(width
, (void *)&readfds
, (void *)&writefds
,
2787 BIO_printf(bio_err
, "bad select %d\n",
2788 get_last_socket_error());
2793 if ((SSL_version(con
) == DTLS1_VERSION
)
2794 && DTLSv1_handle_timeout(con
) > 0) {
2795 BIO_printf(bio_err
, "TIMEOUT occurred\n");
2798 if (!ssl_pending
&& FD_ISSET(SSL_get_fd(con
), &writefds
)) {
2799 k
= SSL_write(con
, &(cbuf
[cbuf_off
]), (unsigned int)cbuf_len
);
2800 switch (SSL_get_error(con
, k
)) {
2801 case SSL_ERROR_NONE
:
2806 /* we have done a write(con,NULL,0); */
2807 if (cbuf_len
<= 0) {
2810 } else { /* if (cbuf_len > 0) */
2816 case SSL_ERROR_WANT_WRITE
:
2817 BIO_printf(bio_c_out
, "write W BLOCK\n");
2821 case SSL_ERROR_WANT_ASYNC
:
2822 BIO_printf(bio_c_out
, "write A BLOCK\n");
2823 wait_for_async(con
);
2827 case SSL_ERROR_WANT_READ
:
2828 BIO_printf(bio_c_out
, "write R BLOCK\n");
2833 case SSL_ERROR_WANT_X509_LOOKUP
:
2834 BIO_printf(bio_c_out
, "write X BLOCK\n");
2836 case SSL_ERROR_ZERO_RETURN
:
2837 if (cbuf_len
!= 0) {
2838 BIO_printf(bio_c_out
, "shutdown\n");
2847 case SSL_ERROR_SYSCALL
:
2848 if ((k
!= 0) || (cbuf_len
!= 0)) {
2849 BIO_printf(bio_err
, "write:errno=%d\n",
2850 get_last_socket_error());
2857 case SSL_ERROR_WANT_ASYNC_JOB
:
2858 /* This shouldn't ever happen in s_client - treat as an error */
2860 ERR_print_errors(bio_err
);
2864 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_VMS)
2865 /* Assume Windows/DOS/BeOS can always write */
2866 else if (!ssl_pending
&& write_tty
)
2868 else if (!ssl_pending
&& FD_ISSET(fileno_stdout(), &writefds
))
2871 #ifdef CHARSET_EBCDIC
2872 ascii2ebcdic(&(sbuf
[sbuf_off
]), &(sbuf
[sbuf_off
]), sbuf_len
);
2874 i
= raw_write_stdout(&(sbuf
[sbuf_off
]), sbuf_len
);
2877 BIO_printf(bio_c_out
, "DONE\n");
2884 if (sbuf_len
<= 0) {
2888 } else if (ssl_pending
|| FD_ISSET(SSL_get_fd(con
), &readfds
)) {
2893 SSL_renegotiate(con
);
2898 k
= SSL_read(con
, sbuf
, 1024 /* BUFSIZZ */ );
2900 switch (SSL_get_error(con
, k
)) {
2901 case SSL_ERROR_NONE
:
2910 case SSL_ERROR_WANT_ASYNC
:
2911 BIO_printf(bio_c_out
, "read A BLOCK\n");
2912 wait_for_async(con
);
2915 if ((read_tty
== 0) && (write_ssl
== 0))
2918 case SSL_ERROR_WANT_WRITE
:
2919 BIO_printf(bio_c_out
, "read W BLOCK\n");
2923 case SSL_ERROR_WANT_READ
:
2924 BIO_printf(bio_c_out
, "read R BLOCK\n");
2927 if ((read_tty
== 0) && (write_ssl
== 0))
2930 case SSL_ERROR_WANT_X509_LOOKUP
:
2931 BIO_printf(bio_c_out
, "read X BLOCK\n");
2933 case SSL_ERROR_SYSCALL
:
2934 ret
= get_last_socket_error();
2936 BIO_puts(bio_err
, "CONNECTION CLOSED BY SERVER\n");
2938 BIO_printf(bio_err
, "read:errno=%d\n", ret
);
2940 case SSL_ERROR_ZERO_RETURN
:
2941 BIO_printf(bio_c_out
, "closed\n");
2944 case SSL_ERROR_WANT_ASYNC_JOB
:
2945 /* This shouldn't ever happen in s_client. Treat as an error */
2947 ERR_print_errors(bio_err
);
2951 /* OPENSSL_SYS_MSDOS includes OPENSSL_SYS_WINDOWS */
2952 #if defined(OPENSSL_SYS_MSDOS)
2953 else if (has_stdin_waiting())
2955 else if (FD_ISSET(fileno_stdin(), &readfds
))
2961 i
= raw_read_stdin(cbuf
, BUFSIZZ
/ 2);
2963 /* both loops are skipped when i <= 0 */
2964 for (j
= 0; j
< i
; j
++)
2965 if (cbuf
[j
] == '\n')
2967 for (j
= i
- 1; j
>= 0; j
--) {
2968 cbuf
[j
+ lf_num
] = cbuf
[j
];
2969 if (cbuf
[j
] == '\n') {
2972 cbuf
[j
+ lf_num
] = '\r';
2975 assert(lf_num
== 0);
2977 i
= raw_read_stdin(cbuf
, BUFSIZZ
);
2978 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
2983 if ((!c_ign_eof
) && ((i
<= 0) || (cbuf
[0] == 'Q' && cmdletters
))) {
2984 BIO_printf(bio_err
, "DONE\n");
2989 if ((!c_ign_eof
) && (cbuf
[0] == 'R' && cmdletters
)) {
2990 BIO_printf(bio_err
, "RENEGOTIATING\n");
2991 SSL_renegotiate(con
);
2995 if (!c_ign_eof
&& (cbuf
[0] == 'K' || cbuf
[0] == 'k' )
2997 BIO_printf(bio_err
, "KEYUPDATE\n");
2999 cbuf
[0] == 'K' ? SSL_KEY_UPDATE_REQUESTED
3000 : SSL_KEY_UPDATE_NOT_REQUESTED
);
3003 #ifndef OPENSSL_NO_HEARTBEATS
3004 else if ((!c_ign_eof
) && (cbuf
[0] == 'B' && cmdletters
)) {
3005 BIO_printf(bio_err
, "HEARTBEATING\n");
3013 #ifdef CHARSET_EBCDIC
3014 ebcdic2ascii(cbuf
, cbuf
, i
);
3026 print_stuff(bio_c_out
, con
, full_log
);
3027 do_ssl_shutdown(con
);
3028 #if defined(OPENSSL_SYS_WINDOWS)
3030 * Give the socket time to send its last data before we close it.
3031 * No amount of setting SO_LINGER etc on the socket seems to persuade
3032 * Windows to send the data before closing the socket...but sleeping
3033 * for a short time seems to do it (units in ms)
3034 * TODO: Find a better way to do this
3039 * If we ended with an alert being sent, but still with data in the
3040 * network buffer to be read, then calling BIO_closesocket() will
3041 * result in a TCP-RST being sent. On some platforms (notably
3042 * Windows) then this will result in the peer immediately abandoning
3043 * the connection including any buffered alert data before it has
3044 * had a chance to be read. Shutting down the sending side first,
3045 * and then closing the socket sends TCP-FIN first followed by
3046 * TCP-RST. This seems to allow the peer to read the alert data.
3048 shutdown(SSL_get_fd(con
), 1); /* SHUT_WR */
3049 BIO_closesocket(SSL_get_fd(con
));
3053 print_stuff(bio_c_out
, con
, 1);
3056 SSL_SESSION_free(psksess
);
3057 #if !defined(OPENSSL_NO_NEXTPROTONEG)
3058 OPENSSL_free(next_proto
.data
);
3061 set_keylog_file(NULL
, NULL
);
3063 sk_X509_CRL_pop_free(crls
, X509_CRL_free
);
3065 sk_X509_pop_free(chain
, X509_free
);
3067 #ifndef OPENSSL_NO_SRP
3068 OPENSSL_free(srp_arg
.srppassin
);
3070 OPENSSL_free(connectstr
);
3073 X509_VERIFY_PARAM_free(vpm
);
3074 ssl_excert_free(exc
);
3075 sk_OPENSSL_STRING_free(ssl_args
);
3076 sk_OPENSSL_STRING_free(dane_tlsa_rrset
);
3077 SSL_CONF_CTX_free(cctx
);
3078 OPENSSL_clear_free(cbuf
, BUFSIZZ
);
3079 OPENSSL_clear_free(sbuf
, BUFSIZZ
);
3080 OPENSSL_clear_free(mbuf
, BUFSIZZ
);
3082 BIO_free(bio_c_out
);
3084 BIO_free(bio_c_msg
);
3089 static void print_stuff(BIO
*bio
, SSL
*s
, int full
)
3093 const SSL_CIPHER
*c
;
3095 #ifndef OPENSSL_NO_COMP
3096 const COMP_METHOD
*comp
, *expansion
;
3098 unsigned char *exportedkeymat
;
3099 #ifndef OPENSSL_NO_CT
3100 const SSL_CTX
*ctx
= SSL_get_SSL_CTX(s
);
3104 int got_a_chain
= 0;
3106 sk
= SSL_get_peer_cert_chain(s
);
3110 BIO_printf(bio
, "---\nCertificate chain\n");
3111 for (i
= 0; i
< sk_X509_num(sk
); i
++) {
3112 BIO_printf(bio
, "%2d s:", i
);
3113 X509_NAME_print_ex(bio
, X509_get_subject_name(sk_X509_value(sk
, i
)), 0, get_nameopt());
3114 BIO_puts(bio
, "\n");
3115 BIO_printf(bio
, " i:");
3116 X509_NAME_print_ex(bio
, X509_get_issuer_name(sk_X509_value(sk
, i
)), 0, get_nameopt());
3117 BIO_puts(bio
, "\n");
3119 PEM_write_bio_X509(bio
, sk_X509_value(sk
, i
));
3123 BIO_printf(bio
, "---\n");
3124 peer
= SSL_get_peer_certificate(s
);
3126 BIO_printf(bio
, "Server certificate\n");
3128 /* Redundant if we showed the whole chain */
3129 if (!(c_showcerts
&& got_a_chain
))
3130 PEM_write_bio_X509(bio
, peer
);
3131 dump_cert_text(bio
, peer
);
3133 BIO_printf(bio
, "no peer certificate available\n");
3135 print_ca_names(bio
, s
);
3137 ssl_print_sigalgs(bio
, s
);
3138 ssl_print_tmp_key(bio
, s
);
3140 #ifndef OPENSSL_NO_CT
3142 * When the SSL session is anonymous, or resumed via an abbreviated
3143 * handshake, no SCTs are provided as part of the handshake. While in
3144 * a resumed session SCTs may be present in the session's certificate,
3145 * no callbacks are invoked to revalidate these, and in any case that
3146 * set of SCTs may be incomplete. Thus it makes little sense to
3147 * attempt to display SCTs from a resumed session's certificate, and of
3148 * course none are associated with an anonymous peer.
3150 if (peer
!= NULL
&& !SSL_session_reused(s
) && SSL_ct_is_enabled(s
)) {
3151 const STACK_OF(SCT
) *scts
= SSL_get0_peer_scts(s
);
3152 int sct_count
= scts
!= NULL
? sk_SCT_num(scts
) : 0;
3154 BIO_printf(bio
, "---\nSCTs present (%i)\n", sct_count
);
3155 if (sct_count
> 0) {
3156 const CTLOG_STORE
*log_store
= SSL_CTX_get0_ctlog_store(ctx
);
3158 BIO_printf(bio
, "---\n");
3159 for (i
= 0; i
< sct_count
; ++i
) {
3160 SCT
*sct
= sk_SCT_value(scts
, i
);
3162 BIO_printf(bio
, "SCT validation status: %s\n",
3163 SCT_validation_status_string(sct
));
3164 SCT_print(sct
, bio
, 0, log_store
);
3165 if (i
< sct_count
- 1)
3166 BIO_printf(bio
, "\n---\n");
3168 BIO_printf(bio
, "\n");
3174 "---\nSSL handshake has read %ju bytes "
3175 "and written %ju bytes\n",
3176 BIO_number_read(SSL_get_rbio(s
)),
3177 BIO_number_written(SSL_get_wbio(s
)));
3179 print_verify_detail(s
, bio
);
3180 BIO_printf(bio
, (SSL_session_reused(s
) ? "---\nReused, " : "---\nNew, "));
3181 c
= SSL_get_current_cipher(s
);
3182 BIO_printf(bio
, "%s, Cipher is %s\n",
3183 SSL_CIPHER_get_version(c
), SSL_CIPHER_get_name(c
));
3187 pktmp
= X509_get0_pubkey(peer
);
3188 BIO_printf(bio
, "Server public key is %d bit\n",
3189 EVP_PKEY_bits(pktmp
));
3191 BIO_printf(bio
, "Secure Renegotiation IS%s supported\n",
3192 SSL_get_secure_renegotiation_support(s
) ? "" : " NOT");
3193 #ifndef OPENSSL_NO_COMP
3194 comp
= SSL_get_current_compression(s
);
3195 expansion
= SSL_get_current_expansion(s
);
3196 BIO_printf(bio
, "Compression: %s\n",
3197 comp
? SSL_COMP_get_name(comp
) : "NONE");
3198 BIO_printf(bio
, "Expansion: %s\n",
3199 expansion
? SSL_COMP_get_name(expansion
) : "NONE");
3204 /* Print out local port of connection: useful for debugging */
3206 union BIO_sock_info_u info
;
3208 sock
= SSL_get_fd(s
);
3209 if ((info
.addr
= BIO_ADDR_new()) != NULL
3210 && BIO_sock_info(sock
, BIO_SOCK_INFO_ADDRESS
, &info
)) {
3211 BIO_printf(bio_c_out
, "LOCAL PORT is %u\n",
3212 ntohs(BIO_ADDR_rawport(info
.addr
)));
3214 BIO_ADDR_free(info
.addr
);
3218 #if !defined(OPENSSL_NO_NEXTPROTONEG)
3219 if (next_proto
.status
!= -1) {
3220 const unsigned char *proto
;
3221 unsigned int proto_len
;
3222 SSL_get0_next_proto_negotiated(s
, &proto
, &proto_len
);
3223 BIO_printf(bio
, "Next protocol: (%d) ", next_proto
.status
);
3224 BIO_write(bio
, proto
, proto_len
);
3225 BIO_write(bio
, "\n", 1);
3229 const unsigned char *proto
;
3230 unsigned int proto_len
;
3231 SSL_get0_alpn_selected(s
, &proto
, &proto_len
);
3232 if (proto_len
> 0) {
3233 BIO_printf(bio
, "ALPN protocol: ");
3234 BIO_write(bio
, proto
, proto_len
);
3235 BIO_write(bio
, "\n", 1);
3237 BIO_printf(bio
, "No ALPN negotiated\n");
3240 #ifndef OPENSSL_NO_SRTP
3242 SRTP_PROTECTION_PROFILE
*srtp_profile
=
3243 SSL_get_selected_srtp_profile(s
);
3246 BIO_printf(bio
, "SRTP Extension negotiated, profile=%s\n",
3247 srtp_profile
->name
);
3251 if (SSL_version(s
) == TLS1_3_VERSION
) {
3252 switch (SSL_get_early_data_status(s
)) {
3253 case SSL_EARLY_DATA_NOT_SENT
:
3254 BIO_printf(bio
, "Early data was not sent\n");
3257 case SSL_EARLY_DATA_REJECTED
:
3258 BIO_printf(bio
, "Early data was rejected\n");
3261 case SSL_EARLY_DATA_ACCEPTED
:
3262 BIO_printf(bio
, "Early data was accepted\n");
3268 SSL_SESSION_print(bio
, SSL_get_session(s
));
3269 if (SSL_get_session(s
) != NULL
&& keymatexportlabel
!= NULL
) {
3270 BIO_printf(bio
, "Keying material exporter:\n");
3271 BIO_printf(bio
, " Label: '%s'\n", keymatexportlabel
);
3272 BIO_printf(bio
, " Length: %i bytes\n", keymatexportlen
);
3273 exportedkeymat
= app_malloc(keymatexportlen
, "export key");
3274 if (!SSL_export_keying_material(s
, exportedkeymat
,
3277 strlen(keymatexportlabel
),
3279 BIO_printf(bio
, " Error\n");
3281 BIO_printf(bio
, " Keying material: ");
3282 for (i
= 0; i
< keymatexportlen
; i
++)
3283 BIO_printf(bio
, "%02X", exportedkeymat
[i
]);
3284 BIO_printf(bio
, "\n");
3286 OPENSSL_free(exportedkeymat
);
3288 BIO_printf(bio
, "---\n");
3290 /* flush, or debugging output gets mixed with http response */
3291 (void)BIO_flush(bio
);
3294 # ifndef OPENSSL_NO_OCSP
3295 static int ocsp_resp_cb(SSL
*s
, void *arg
)
3297 const unsigned char *p
;
3300 len
= SSL_get_tlsext_status_ocsp_resp(s
, &p
);
3301 BIO_puts(arg
, "OCSP response: ");
3303 BIO_puts(arg
, "no response sent\n");
3306 rsp
= d2i_OCSP_RESPONSE(NULL
, &p
, len
);
3308 BIO_puts(arg
, "response parse error\n");
3309 BIO_dump_indent(arg
, (char *)p
, len
, 4);
3312 BIO_puts(arg
, "\n======================================\n");
3313 OCSP_RESPONSE_print(arg
, rsp
, 0);
3314 BIO_puts(arg
, "======================================\n");
3315 OCSP_RESPONSE_free(rsp
);
3320 static int ldap_ExtendedResponse_parse(const char *buf
, long rem
)
3322 const unsigned char *cur
, *end
;
3324 int tag
, xclass
, inf
, ret
= -1;
3326 cur
= (const unsigned char *)buf
;
3332 * LDAPMessage ::= SEQUENCE {
3333 * messageID MessageID,
3334 * protocolOp CHOICE {
3336 * extendedResp ExtendedResponse,
3338 * controls [0] Controls OPTIONAL }
3340 * ExtendedResponse ::= [APPLICATION 24] SEQUENCE {
3341 * COMPONENTS OF LDAPResult,
3342 * responseName [10] LDAPOID OPTIONAL,
3343 * responseValue [11] OCTET STRING OPTIONAL }
3345 * LDAPResult ::= SEQUENCE {
3346 * resultCode ENUMERATED {
3352 * diagnosticMessage LDAPString,
3353 * referral [3] Referral OPTIONAL }
3357 inf
= ASN1_get_object(&cur
, &len
, &tag
, &xclass
, rem
);
3358 if (inf
!= V_ASN1_CONSTRUCTED
|| tag
!= V_ASN1_SEQUENCE
||
3359 (rem
= end
- cur
, len
> rem
)) {
3360 BIO_printf(bio_err
, "Unexpected LDAP response\n");
3364 rem
= len
; /* ensure that we don't overstep the SEQUENCE */
3366 /* pull MessageID */
3367 inf
= ASN1_get_object(&cur
, &len
, &tag
, &xclass
, rem
);
3368 if (inf
!= V_ASN1_UNIVERSAL
|| tag
!= V_ASN1_INTEGER
||
3369 (rem
= end
- cur
, len
> rem
)) {
3370 BIO_printf(bio_err
, "No MessageID\n");
3374 cur
+= len
; /* shall we check for MessageId match or just skip? */
3376 /* pull [APPLICATION 24] */
3378 inf
= ASN1_get_object(&cur
, &len
, &tag
, &xclass
, rem
);
3379 if (inf
!= V_ASN1_CONSTRUCTED
|| xclass
!= V_ASN1_APPLICATION
||
3381 BIO_printf(bio_err
, "Not ExtendedResponse\n");
3385 /* pull resultCode */
3387 inf
= ASN1_get_object(&cur
, &len
, &tag
, &xclass
, rem
);
3388 if (inf
!= V_ASN1_UNIVERSAL
|| tag
!= V_ASN1_ENUMERATED
|| len
== 0 ||
3389 (rem
= end
- cur
, len
> rem
)) {
3390 BIO_printf(bio_err
, "Not LDAPResult\n");
3394 /* len should always be one, but just in case... */
3395 for (ret
= 0, inf
= 0; inf
< len
; inf
++) {
3399 /* There is more data, but we don't care... */
3404 #endif /* OPENSSL_NO_SOCK */