2 * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved.
3 * Copyright 2005 Nokia. All rights reserved.
5 * Licensed under the Apache License 2.0 (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/trace.h>
42 #include <openssl/async.h>
43 #ifndef OPENSSL_NO_SRP
44 # include <openssl/srp.h>
47 # include <openssl/ct.h>
51 #include "internal/sockets.h"
53 #if defined(__has_feature)
54 # if __has_feature(memory_sanitizer)
55 # include <sanitizer/msan_interface.h>
60 DEFINE_STACK_OF(X509_CRL
)
61 DEFINE_STACK_OF(X509_NAME
)
63 DEFINE_STACK_OF_STRING()
66 #define BUFSIZZ 1024*8
67 #define S_CLIENT_IRC_READ_TIMEOUT 8
70 static int c_debug
= 0;
71 static int c_showcerts
= 0;
72 static char *keymatexportlabel
= NULL
;
73 static int keymatexportlen
= 20;
74 static BIO
*bio_c_out
= NULL
;
75 static int c_quiet
= 0;
76 static char *sess_out
= NULL
;
77 static SSL_SESSION
*psksess
= NULL
;
79 static void print_stuff(BIO
*berr
, SSL
*con
, int full
);
80 #ifndef OPENSSL_NO_OCSP
81 static int ocsp_resp_cb(SSL
*s
, void *arg
);
83 static int ldap_ExtendedResponse_parse(const char *buf
, long rem
);
84 static int is_dNS_name(const char *host
);
86 static int saved_errno
;
88 static void save_errno(void)
94 static int restore_errno(void)
101 /* Default PSK identity and key */
102 static char *psk_identity
= "Client_identity";
104 #ifndef OPENSSL_NO_PSK
105 static unsigned int psk_client_cb(SSL
*ssl
, const char *hint
, char *identity
,
106 unsigned int max_identity_len
,
108 unsigned int max_psk_len
)
115 BIO_printf(bio_c_out
, "psk_client_cb\n");
117 /* no ServerKeyExchange message */
119 BIO_printf(bio_c_out
,
120 "NULL received PSK identity hint, continuing anyway\n");
121 } else if (c_debug
) {
122 BIO_printf(bio_c_out
, "Received PSK identity hint '%s'\n", hint
);
126 * lookup PSK identity and PSK key based on the given identity hint here
128 ret
= BIO_snprintf(identity
, max_identity_len
, "%s", psk_identity
);
129 if (ret
< 0 || (unsigned int)ret
> max_identity_len
)
132 BIO_printf(bio_c_out
, "created identity '%s' len=%d\n", identity
,
135 /* convert the PSK key to binary */
136 key
= OPENSSL_hexstr2buf(psk_key
, &key_len
);
138 BIO_printf(bio_err
, "Could not convert PSK key '%s' to buffer\n",
142 if (max_psk_len
> INT_MAX
|| key_len
> (long)max_psk_len
) {
144 "psk buffer of callback is too small (%d) for key (%ld)\n",
145 max_psk_len
, key_len
);
150 memcpy(psk
, key
, key_len
);
154 BIO_printf(bio_c_out
, "created PSK len=%ld\n", key_len
);
159 BIO_printf(bio_err
, "Error in PSK client callback\n");
164 const unsigned char tls13_aes128gcmsha256_id
[] = { 0x13, 0x01 };
165 const unsigned char tls13_aes256gcmsha384_id
[] = { 0x13, 0x02 };
167 static int psk_use_session_cb(SSL
*s
, const EVP_MD
*md
,
168 const unsigned char **id
, size_t *idlen
,
171 SSL_SESSION
*usesess
= NULL
;
172 const SSL_CIPHER
*cipher
= NULL
;
174 if (psksess
!= NULL
) {
175 SSL_SESSION_up_ref(psksess
);
179 unsigned char *key
= OPENSSL_hexstr2buf(psk_key
, &key_len
);
182 BIO_printf(bio_err
, "Could not convert PSK key '%s' to buffer\n",
187 /* We default to SHA-256 */
188 cipher
= SSL_CIPHER_find(s
, tls13_aes128gcmsha256_id
);
189 if (cipher
== NULL
) {
190 BIO_printf(bio_err
, "Error finding suitable ciphersuite\n");
195 usesess
= SSL_SESSION_new();
197 || !SSL_SESSION_set1_master_key(usesess
, key
, key_len
)
198 || !SSL_SESSION_set_cipher(usesess
, cipher
)
199 || !SSL_SESSION_set_protocol_version(usesess
, TLS1_3_VERSION
)) {
206 cipher
= SSL_SESSION_get0_cipher(usesess
);
210 if (md
!= NULL
&& SSL_CIPHER_get_handshake_digest(cipher
) != md
) {
211 /* PSK not usable, ignore it */
215 SSL_SESSION_free(usesess
);
218 *id
= (unsigned char *)psk_identity
;
219 *idlen
= strlen(psk_identity
);
225 SSL_SESSION_free(usesess
);
229 /* This is a context that we pass to callbacks */
230 typedef struct tlsextctx_st
{
235 static int ssl_servername_cb(SSL
*s
, int *ad
, void *arg
)
237 tlsextctx
*p
= (tlsextctx
*) arg
;
238 const char *hn
= SSL_get_servername(s
, TLSEXT_NAMETYPE_host_name
);
239 if (SSL_get_servername_type(s
) != -1)
240 p
->ack
= !SSL_session_reused(s
) && hn
!= NULL
;
242 BIO_printf(bio_err
, "Can't use SSL_get_servername\n");
244 return SSL_TLSEXT_ERR_OK
;
247 #ifndef OPENSSL_NO_SRP
249 /* This is a context that we pass to all callbacks */
250 typedef struct srp_arg_st
{
253 int msg
; /* copy from c_msg */
254 int debug
; /* copy from c_debug */
255 int amp
; /* allow more groups */
256 int strength
; /* minimal size for N */
259 static int srp_Verify_N_and_g(const BIGNUM
*N
, const BIGNUM
*g
)
261 BN_CTX
*bn_ctx
= BN_CTX_new();
262 BIGNUM
*p
= BN_new();
263 BIGNUM
*r
= BN_new();
265 g
!= NULL
&& N
!= NULL
&& bn_ctx
!= NULL
&& BN_is_odd(N
) &&
266 BN_check_prime(N
, bn_ctx
, NULL
) == 1 &&
267 p
!= NULL
&& BN_rshift1(p
, N
) &&
269 BN_check_prime(p
, bn_ctx
, NULL
) == 1 &&
271 /* verify g^((N-1)/2) == -1 (mod N) */
272 BN_mod_exp(r
, g
, p
, N
, bn_ctx
) &&
273 BN_add_word(r
, 1) && BN_cmp(r
, N
) == 0;
282 * This callback is used here for two purposes:
283 * - extended debugging
284 * - making some primality tests for unknown groups
285 * The callback is only called for a non default group.
287 * An application does not need the call back at all if
288 * only the standard groups are used. In real life situations,
289 * client and server already share well known groups,
290 * thus there is no need to verify them.
291 * Furthermore, in case that a server actually proposes a group that
292 * is not one of those defined in RFC 5054, it is more appropriate
293 * to add the group to a static list and then compare since
294 * primality tests are rather cpu consuming.
297 static int ssl_srp_verify_param_cb(SSL
*s
, void *arg
)
299 SRP_ARG
*srp_arg
= (SRP_ARG
*)arg
;
300 BIGNUM
*N
= NULL
, *g
= NULL
;
302 if (((N
= SSL_get_srp_N(s
)) == NULL
) || ((g
= SSL_get_srp_g(s
)) == NULL
))
304 if (srp_arg
->debug
|| srp_arg
->msg
|| srp_arg
->amp
== 1) {
305 BIO_printf(bio_err
, "SRP parameters:\n");
306 BIO_printf(bio_err
, "\tN=");
307 BN_print(bio_err
, N
);
308 BIO_printf(bio_err
, "\n\tg=");
309 BN_print(bio_err
, g
);
310 BIO_printf(bio_err
, "\n");
313 if (SRP_check_known_gN_param(g
, N
))
316 if (srp_arg
->amp
== 1) {
319 "SRP param N and g are not known params, going to check deeper.\n");
322 * The srp_moregroups is a real debugging feature. Implementors
323 * should rather add the value to the known ones. The minimal size
324 * has already been tested.
326 if (BN_num_bits(g
) <= BN_BITS
&& srp_Verify_N_and_g(N
, g
))
329 BIO_printf(bio_err
, "SRP param N and g rejected.\n");
333 # define PWD_STRLEN 1024
335 static char *ssl_give_srp_client_pwd_cb(SSL
*s
, void *arg
)
337 SRP_ARG
*srp_arg
= (SRP_ARG
*)arg
;
338 char *pass
= app_malloc(PWD_STRLEN
+ 1, "SRP password buffer");
342 cb_tmp
.password
= (char *)srp_arg
->srppassin
;
343 cb_tmp
.prompt_info
= "SRP user";
344 if ((l
= password_callback(pass
, PWD_STRLEN
, 0, &cb_tmp
)) < 0) {
345 BIO_printf(bio_err
, "Can't read Password\n");
356 #ifndef OPENSSL_NO_NEXTPROTONEG
357 /* This the context that we pass to next_proto_cb */
358 typedef struct tlsextnextprotoctx_st
{
362 } tlsextnextprotoctx
;
364 static tlsextnextprotoctx next_proto
;
366 static int next_proto_cb(SSL
*s
, unsigned char **out
, unsigned char *outlen
,
367 const unsigned char *in
, unsigned int inlen
,
370 tlsextnextprotoctx
*ctx
= arg
;
373 /* We can assume that |in| is syntactically valid. */
375 BIO_printf(bio_c_out
, "Protocols advertised by server: ");
376 for (i
= 0; i
< inlen
;) {
378 BIO_write(bio_c_out
, ", ", 2);
379 BIO_write(bio_c_out
, &in
[i
+ 1], in
[i
]);
382 BIO_write(bio_c_out
, "\n", 1);
386 SSL_select_next_proto(out
, outlen
, in
, inlen
, ctx
->data
, ctx
->len
);
387 return SSL_TLSEXT_ERR_OK
;
389 #endif /* ndef OPENSSL_NO_NEXTPROTONEG */
391 static int serverinfo_cli_parse_cb(SSL
*s
, unsigned int ext_type
,
392 const unsigned char *in
, size_t inlen
,
396 unsigned char ext_buf
[4 + 65536];
398 /* Reconstruct the type/len fields prior to extension data */
399 inlen
&= 0xffff; /* for formal memcmpy correctness */
400 ext_buf
[0] = (unsigned char)(ext_type
>> 8);
401 ext_buf
[1] = (unsigned char)(ext_type
);
402 ext_buf
[2] = (unsigned char)(inlen
>> 8);
403 ext_buf
[3] = (unsigned char)(inlen
);
404 memcpy(ext_buf
+ 4, in
, inlen
);
406 BIO_snprintf(pem_name
, sizeof(pem_name
), "SERVERINFO FOR EXTENSION %d",
408 PEM_write_bio(bio_c_out
, pem_name
, "", ext_buf
, 4 + inlen
);
413 * Hex decoder that tolerates optional whitespace. Returns number of bytes
414 * produced, advances inptr to end of input string.
416 static ossl_ssize_t
hexdecode(const char **inptr
, void *result
)
418 unsigned char **out
= (unsigned char **)result
;
419 const char *in
= *inptr
;
420 unsigned char *ret
= app_malloc(strlen(in
) / 2, "hexdecode");
421 unsigned char *cp
= ret
;
428 for (byte
= 0; *in
; ++in
) {
431 if (isspace(_UC(*in
)))
433 x
= OPENSSL_hexchar2int(*in
);
439 if ((nibble
^= 1) == 0) {
452 return cp
- (*out
= ret
);
456 * Decode unsigned 0..255, returns 1 on success, <= 0 on failure. Advances
457 * inptr to next field skipping leading whitespace.
459 static ossl_ssize_t
checked_uint8(const char **inptr
, void *out
)
461 uint8_t *result
= (uint8_t *)out
;
462 const char *in
= *inptr
;
468 v
= strtol(in
, &endp
, 10);
471 if (((v
== LONG_MIN
|| v
== LONG_MAX
) && e
== ERANGE
) ||
472 endp
== in
|| !isspace(_UC(*endp
)) ||
473 v
!= (*result
= (uint8_t) v
)) {
476 for (in
= endp
; isspace(_UC(*in
)); ++in
)
486 ossl_ssize_t (*parser
)(const char **, void *);
489 static int tlsa_import_rr(SSL
*con
, const char *rrdata
)
491 /* Not necessary to re-init these values; the "parsers" do that. */
492 static uint8_t usage
;
493 static uint8_t selector
;
494 static uint8_t mtype
;
495 static unsigned char *data
;
496 static struct tlsa_field tlsa_fields
[] = {
497 { &usage
, "usage", checked_uint8
},
498 { &selector
, "selector", checked_uint8
},
499 { &mtype
, "mtype", checked_uint8
},
500 { &data
, "data", hexdecode
},
503 struct tlsa_field
*f
;
505 const char *cp
= rrdata
;
506 ossl_ssize_t len
= 0;
508 for (f
= tlsa_fields
; f
->var
; ++f
) {
509 /* Returns number of bytes produced, advances cp to next field */
510 if ((len
= f
->parser(&cp
, f
->var
)) <= 0) {
511 BIO_printf(bio_err
, "%s: warning: bad TLSA %s field in: %s\n",
512 prog
, f
->name
, rrdata
);
516 /* The data field is last, so len is its length */
517 ret
= SSL_dane_tlsa_add(con
, usage
, selector
, mtype
, data
, len
);
521 ERR_print_errors(bio_err
);
522 BIO_printf(bio_err
, "%s: warning: unusable TLSA rrdata: %s\n",
527 ERR_print_errors(bio_err
);
528 BIO_printf(bio_err
, "%s: warning: error loading TLSA rrdata: %s\n",
535 static int tlsa_import_rrset(SSL
*con
, STACK_OF(OPENSSL_STRING
) *rrset
)
537 int num
= sk_OPENSSL_STRING_num(rrset
);
541 for (i
= 0; i
< num
; ++i
) {
542 char *rrdata
= sk_OPENSSL_STRING_value(rrset
, i
);
543 if (tlsa_import_rr(con
, rrdata
) > 0)
549 typedef enum OPTION_choice
{
550 OPT_ERR
= -1, OPT_EOF
= 0, OPT_HELP
,
551 OPT_4
, OPT_6
, OPT_HOST
, OPT_PORT
, OPT_CONNECT
, OPT_BIND
, OPT_UNIX
,
552 OPT_XMPPHOST
, OPT_VERIFY
, OPT_NAMEOPT
,
553 OPT_CERT
, OPT_CRL
, OPT_CRL_DOWNLOAD
, OPT_SESS_OUT
, OPT_SESS_IN
,
554 OPT_CERTFORM
, OPT_CRLFORM
, OPT_VERIFY_RET_ERROR
, OPT_VERIFY_QUIET
,
555 OPT_BRIEF
, OPT_PREXIT
, OPT_CRLF
, OPT_QUIET
, OPT_NBIO
,
556 OPT_SSL_CLIENT_ENGINE
, OPT_IGN_EOF
, OPT_NO_IGN_EOF
,
557 OPT_DEBUG
, OPT_TLSEXTDEBUG
, OPT_STATUS
, OPT_WDEBUG
,
558 OPT_MSG
, OPT_MSGFILE
, OPT_ENGINE
, OPT_TRACE
, OPT_SECURITY_DEBUG
,
559 OPT_SECURITY_DEBUG_VERBOSE
, OPT_SHOWCERTS
, OPT_NBIO_TEST
, OPT_STATE
,
560 OPT_PSK_IDENTITY
, OPT_PSK
, OPT_PSK_SESS
,
561 #ifndef OPENSSL_NO_SRP
562 OPT_SRPUSER
, OPT_SRPPASS
, OPT_SRP_STRENGTH
, OPT_SRP_LATEUSER
,
565 OPT_SSL3
, OPT_SSL_CONFIG
,
566 OPT_TLS1_3
, OPT_TLS1_2
, OPT_TLS1_1
, OPT_TLS1
, OPT_DTLS
, OPT_DTLS1
,
567 OPT_DTLS1_2
, OPT_SCTP
, OPT_TIMEOUT
, OPT_MTU
, OPT_KEYFORM
, OPT_PASS
,
568 OPT_CERT_CHAIN
, OPT_KEY
, OPT_RECONNECT
, OPT_BUILD_CHAIN
,
569 OPT_NEXTPROTONEG
, OPT_ALPN
,
570 OPT_CAPATH
, OPT_NOCAPATH
, OPT_CHAINCAPATH
, OPT_VERIFYCAPATH
,
571 OPT_CAFILE
, OPT_NOCAFILE
, OPT_CHAINCAFILE
, OPT_VERIFYCAFILE
,
572 OPT_CASTORE
, OPT_NOCASTORE
, OPT_CHAINCASTORE
, OPT_VERIFYCASTORE
,
573 OPT_SERVERINFO
, OPT_STARTTLS
, OPT_SERVERNAME
, OPT_NOSERVERNAME
, OPT_ASYNC
,
574 OPT_USE_SRTP
, OPT_KEYMATEXPORT
, OPT_KEYMATEXPORTLEN
, OPT_PROTOHOST
,
575 OPT_MAXFRAGLEN
, OPT_MAX_SEND_FRAG
, OPT_SPLIT_SEND_FRAG
, OPT_MAX_PIPELINES
,
576 OPT_READ_BUF
, OPT_KEYLOG_FILE
, OPT_EARLY_DATA
, OPT_REQCAFILE
,
580 OPT_FALLBACKSCSV
, OPT_NOCMDS
, OPT_PROXY
, OPT_PROXY_USER
, OPT_PROXY_PASS
,
581 OPT_DANE_TLSA_DOMAIN
,
582 #ifndef OPENSSL_NO_CT
583 OPT_CT
, OPT_NOCT
, OPT_CTLOG_FILE
,
585 OPT_DANE_TLSA_RRDATA
, OPT_DANE_EE_NO_NAME
,
588 OPT_R_ENUM
, OPT_PROV_ENUM
591 const OPTIONS s_client_options
[] = {
592 {OPT_HELP_STR
, 1, '-', "Usage: %s [options] [host:port]\n"},
594 OPT_SECTION("General"),
595 {"help", OPT_HELP
, '-', "Display this summary"},
596 #ifndef OPENSSL_NO_ENGINE
597 {"engine", OPT_ENGINE
, 's', "Use engine, possibly a hardware device"},
598 {"ssl_client_engine", OPT_SSL_CLIENT_ENGINE
, 's',
599 "Specify engine to be used for client certificate operations"},
601 {"ssl_config", OPT_SSL_CONFIG
, 's', "Use specified section for SSL_CTX configuration"},
602 #ifndef OPENSSL_NO_CT
603 {"ct", OPT_CT
, '-', "Request and parse SCTs (also enables OCSP stapling)"},
604 {"noct", OPT_NOCT
, '-', "Do not request or parse SCTs (default)"},
605 {"ctlogfile", OPT_CTLOG_FILE
, '<', "CT log list CONF file"},
608 OPT_SECTION("Network"),
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 {"bind", OPT_BIND
, 's', "bind local address for connection"},
614 {"proxy", OPT_PROXY
, 's',
615 "Connect to via specified proxy to the real server"},
616 {"proxy_user", OPT_PROXY_USER
, 's', "UserID for proxy authentication"},
617 {"proxy_pass", OPT_PROXY_PASS
, 's', "Proxy authentication password source"},
619 {"unix", OPT_UNIX
, 's', "Connect over the specified Unix-domain socket"},
621 {"4", OPT_4
, '-', "Use IPv4 only"},
623 {"6", OPT_6
, '-', "Use IPv6 only"},
625 {"maxfraglen", OPT_MAXFRAGLEN
, 'p',
626 "Enable Maximum Fragment Length Negotiation (len values: 512, 1024, 2048 and 4096)"},
627 {"max_send_frag", OPT_MAX_SEND_FRAG
, 'p', "Maximum Size of send frames "},
628 {"split_send_frag", OPT_SPLIT_SEND_FRAG
, 'p',
629 "Size used to split data for encrypt pipelines"},
630 {"max_pipelines", OPT_MAX_PIPELINES
, 'p',
631 "Maximum number of encrypt/decrypt pipelines to be used"},
632 {"read_buf", OPT_READ_BUF
, 'p',
633 "Default read buffer size to be used for connections"},
634 {"fallback_scsv", OPT_FALLBACKSCSV
, '-', "Send the fallback SCSV"},
636 OPT_SECTION("Identity"),
637 {"cert", OPT_CERT
, '<', "Client certificate file to use"},
638 {"certform", OPT_CERTFORM
, 'F',
639 "Client certificate file format (PEM/DER/P12); has no effect"},
640 {"cert_chain", OPT_CERT_CHAIN
, '<',
641 "Client certificate chain file (in PEM format)"},
642 {"build_chain", OPT_BUILD_CHAIN
, '-', "Build client certificate chain"},
643 {"key", OPT_KEY
, 's', "Private key file to use; default is: -cert file"},
644 {"keyform", OPT_KEYFORM
, 'E', "Key format (ENGINE, other values ignored)"},
645 {"pass", OPT_PASS
, 's', "Private key file pass phrase source"},
646 {"verify", OPT_VERIFY
, 'p', "Turn on peer certificate verification"},
647 {"nameopt", OPT_NAMEOPT
, 's', "Certificate subject/issuer name printing options"},
648 {"CApath", OPT_CAPATH
, '/', "PEM format directory of CA's"},
649 {"CAfile", OPT_CAFILE
, '<', "PEM format file of CA's"},
650 {"CAstore", OPT_CASTORE
, ':', "URI to store of CA's"},
651 {"no-CAfile", OPT_NOCAFILE
, '-',
652 "Do not load the default certificates file"},
653 {"no-CApath", OPT_NOCAPATH
, '-',
654 "Do not load certificates from the default certificates directory"},
655 {"no-CAstore", OPT_NOCASTORE
, '-',
656 "Do not load certificates from the default certificates store"},
657 {"requestCAfile", OPT_REQCAFILE
, '<',
658 "PEM format file of CA names to send to the server"},
659 {"dane_tlsa_domain", OPT_DANE_TLSA_DOMAIN
, 's', "DANE TLSA base domain"},
660 {"dane_tlsa_rrdata", OPT_DANE_TLSA_RRDATA
, 's',
661 "DANE TLSA rrdata presentation form"},
662 {"dane_ee_no_namechecks", OPT_DANE_EE_NO_NAME
, '-',
663 "Disable name checks when matching DANE-EE(3) TLSA records"},
664 {"psk_identity", OPT_PSK_IDENTITY
, 's', "PSK identity"},
665 {"psk", OPT_PSK
, 's', "PSK in hex (without 0x)"},
666 {"psk_session", OPT_PSK_SESS
, '<', "File to read PSK SSL session from"},
667 {"name", OPT_PROTOHOST
, 's',
668 "Hostname to use for \"-starttls lmtp\", \"-starttls smtp\" or \"-starttls xmpp[-server]\""},
670 OPT_SECTION("Session"),
671 {"reconnect", OPT_RECONNECT
, '-',
672 "Drop and re-make the connection with the same Session-ID"},
673 {"sess_out", OPT_SESS_OUT
, '>', "File to write SSL session to"},
674 {"sess_in", OPT_SESS_IN
, '<', "File to read SSL session from"},
676 OPT_SECTION("Input/Output"),
677 {"crlf", OPT_CRLF
, '-', "Convert LF from terminal into CRLF"},
678 {"quiet", OPT_QUIET
, '-', "No s_client output"},
679 {"ign_eof", OPT_IGN_EOF
, '-', "Ignore input eof (default when -quiet)"},
680 {"no_ign_eof", OPT_NO_IGN_EOF
, '-', "Don't ignore input eof"},
681 {"starttls", OPT_STARTTLS
, 's',
682 "Use the appropriate STARTTLS command before starting TLS"},
683 {"xmpphost", OPT_XMPPHOST
, 's',
684 "Alias of -name option for \"-starttls xmpp[-server]\""},
685 {"brief", OPT_BRIEF
, '-',
686 "Restrict output to brief summary of connection parameters"},
687 {"prexit", OPT_PREXIT
, '-',
688 "Print session information when the program exits"},
690 OPT_SECTION("Debug"),
691 {"showcerts", OPT_SHOWCERTS
, '-',
692 "Show all certificates sent by the server"},
693 {"debug", OPT_DEBUG
, '-', "Extra output"},
694 {"msg", OPT_MSG
, '-', "Show protocol messages"},
695 {"msgfile", OPT_MSGFILE
, '>',
696 "File to send output of -msg or -trace, instead of stdout"},
697 {"nbio_test", OPT_NBIO_TEST
, '-', "More ssl protocol testing"},
698 {"state", OPT_STATE
, '-', "Print the ssl states"},
699 {"keymatexport", OPT_KEYMATEXPORT
, 's',
700 "Export keying material using label"},
701 {"keymatexportlen", OPT_KEYMATEXPORTLEN
, 'p',
702 "Export len bytes of keying material (default 20)"},
703 {"security_debug", OPT_SECURITY_DEBUG
, '-',
704 "Enable security debug messages"},
705 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE
, '-',
706 "Output more security debug output"},
707 #ifndef OPENSSL_NO_SSL_TRACE
708 {"trace", OPT_TRACE
, '-', "Show trace output of protocol messages"},
711 {"wdebug", OPT_WDEBUG
, '-', "WATT-32 tcp debugging"},
713 {"keylogfile", OPT_KEYLOG_FILE
, '>', "Write TLS secrets to file"},
714 {"nocommands", OPT_NOCMDS
, '-', "Do not use interactive command letters"},
715 {"servername", OPT_SERVERNAME
, 's',
716 "Set TLS extension servername (SNI) in ClientHello (default)"},
717 {"noservername", OPT_NOSERVERNAME
, '-',
718 "Do not send the server name (SNI) extension in the ClientHello"},
719 {"tlsextdebug", OPT_TLSEXTDEBUG
, '-',
720 "Hex dump of all TLS extensions received"},
721 #ifndef OPENSSL_NO_OCSP
722 {"status", OPT_STATUS
, '-', "Request certificate status from server"},
724 {"serverinfo", OPT_SERVERINFO
, 's',
725 "types Send empty ClientHello extensions (comma-separated numbers)"},
726 {"alpn", OPT_ALPN
, 's',
727 "Enable ALPN extension, considering named protocols supported (comma-separated list)"},
728 {"async", OPT_ASYNC
, '-', "Support asynchronous operation"},
729 {"nbio", OPT_NBIO
, '-', "Use non-blocking IO"},
731 OPT_SECTION("Protocol and version"),
732 #ifndef OPENSSL_NO_SSL3
733 {"ssl3", OPT_SSL3
, '-', "Just use SSLv3"},
735 #ifndef OPENSSL_NO_TLS1
736 {"tls1", OPT_TLS1
, '-', "Just use TLSv1"},
738 #ifndef OPENSSL_NO_TLS1_1
739 {"tls1_1", OPT_TLS1_1
, '-', "Just use TLSv1.1"},
741 #ifndef OPENSSL_NO_TLS1_2
742 {"tls1_2", OPT_TLS1_2
, '-', "Just use TLSv1.2"},
744 #ifndef OPENSSL_NO_TLS1_3
745 {"tls1_3", OPT_TLS1_3
, '-', "Just use TLSv1.3"},
747 #ifndef OPENSSL_NO_DTLS
748 {"dtls", OPT_DTLS
, '-', "Use any version of DTLS"},
749 {"timeout", OPT_TIMEOUT
, '-',
750 "Enable send/receive timeout on DTLS connections"},
751 {"mtu", OPT_MTU
, 'p', "Set the link layer MTU"},
753 #ifndef OPENSSL_NO_DTLS1
754 {"dtls1", OPT_DTLS1
, '-', "Just use DTLSv1"},
756 #ifndef OPENSSL_NO_DTLS1_2
757 {"dtls1_2", OPT_DTLS1_2
, '-', "Just use DTLSv1.2"},
759 #ifndef OPENSSL_NO_SCTP
760 {"sctp", OPT_SCTP
, '-', "Use SCTP"},
761 {"sctp_label_bug", OPT_SCTP_LABEL_BUG
, '-', "Enable SCTP label length bug"},
763 #ifndef OPENSSL_NO_NEXTPROTONEG
764 {"nextprotoneg", OPT_NEXTPROTONEG
, 's',
765 "Enable NPN extension, considering named protocols supported (comma-separated list)"},
767 {"early_data", OPT_EARLY_DATA
, '<', "File to send as early data"},
768 {"enable_pha", OPT_ENABLE_PHA
, '-', "Enable post-handshake-authentication"},
769 #ifndef OPENSSL_NO_SRTP
770 {"use_srtp", OPT_USE_SRTP
, 's',
771 "Offer SRTP key management with a colon-separated profile list"},
773 #ifndef OPENSSL_NO_SRP
774 {"srpuser", OPT_SRPUSER
, 's', "SRP authentication for 'user'"},
775 {"srppass", OPT_SRPPASS
, 's', "Password for 'user'"},
776 {"srp_lateuser", OPT_SRP_LATEUSER
, '-',
777 "SRP username into second ClientHello message"},
778 {"srp_moregroups", OPT_SRP_MOREGROUPS
, '-',
779 "Tolerate other than the known g N values."},
780 {"srp_strength", OPT_SRP_STRENGTH
, 'p', "Minimal length in bits for N"},
786 {"CRL", OPT_CRL
, '<', "CRL file to use"},
787 {"crl_download", OPT_CRL_DOWNLOAD
, '-', "Download CRL from distribution points"},
788 {"CRLform", OPT_CRLFORM
, 'F', "CRL format (PEM or DER) PEM is default"},
789 {"verify_return_error", OPT_VERIFY_RET_ERROR
, '-',
790 "Close connection on verification error"},
791 {"verify_quiet", OPT_VERIFY_QUIET
, '-', "Restrict verify output to errors"},
792 {"chainCAfile", OPT_CHAINCAFILE
, '<',
793 "CA file for certificate chain (PEM format)"},
794 {"chainCApath", OPT_CHAINCAPATH
, '/',
795 "Use dir as certificate store path to build CA certificate chain"},
796 {"chainCAstore", OPT_CHAINCASTORE
, ':',
797 "CA store URI for certificate chain"},
798 {"verifyCAfile", OPT_VERIFYCAFILE
, '<',
799 "CA file for certificate verification (PEM format)"},
800 {"verifyCApath", OPT_VERIFYCAPATH
, '/',
801 "Use dir as certificate store path to verify CA certificate"},
802 {"verifyCAstore", OPT_VERIFYCASTORE
, ':',
803 "CA store URI for certificate verification"},
808 {"host:port", 0, 0, "Where to connect; same as -connect option"},
812 typedef enum PROTOCOL_choice
{
831 static const OPT_PAIR services
[] = {
832 {"smtp", PROTO_SMTP
},
833 {"pop3", PROTO_POP3
},
834 {"imap", PROTO_IMAP
},
836 {"xmpp", PROTO_XMPP
},
837 {"xmpp-server", PROTO_XMPP_SERVER
},
838 {"telnet", PROTO_TELNET
},
840 {"mysql", PROTO_MYSQL
},
841 {"postgres", PROTO_POSTGRES
},
842 {"lmtp", PROTO_LMTP
},
843 {"nntp", PROTO_NNTP
},
844 {"sieve", PROTO_SIEVE
},
845 {"ldap", PROTO_LDAP
},
849 #define IS_INET_FLAG(o) \
850 (o == OPT_4 || o == OPT_6 || o == OPT_HOST || o == OPT_PORT || o == OPT_CONNECT)
851 #define IS_UNIX_FLAG(o) (o == OPT_UNIX)
853 #define IS_PROT_FLAG(o) \
854 (o == OPT_SSL3 || o == OPT_TLS1 || o == OPT_TLS1_1 || o == OPT_TLS1_2 \
855 || o == OPT_TLS1_3 || o == OPT_DTLS || o == OPT_DTLS1 || o == OPT_DTLS1_2)
857 /* Free |*dest| and optionally set it to a copy of |source|. */
858 static void freeandcopy(char **dest
, const char *source
)
863 *dest
= OPENSSL_strdup(source
);
866 static int new_session_cb(SSL
*s
, SSL_SESSION
*sess
)
869 if (sess_out
!= NULL
) {
870 BIO
*stmp
= BIO_new_file(sess_out
, "w");
873 BIO_printf(bio_err
, "Error writing session file %s\n", sess_out
);
875 PEM_write_bio_SSL_SESSION(stmp
, sess
);
881 * Session data gets dumped on connection for TLSv1.2 and below, and on
882 * arrival of the NewSessionTicket for TLSv1.3.
884 if (SSL_version(s
) == TLS1_3_VERSION
) {
885 BIO_printf(bio_c_out
,
886 "---\nPost-Handshake New Session Ticket arrived:\n");
887 SSL_SESSION_print(bio_c_out
, sess
);
888 BIO_printf(bio_c_out
, "---\n");
892 * We always return a "fail" response so that the session gets freed again
893 * because we haven't used the reference.
898 int s_client_main(int argc
, char **argv
)
901 EVP_PKEY
*key
= NULL
;
904 STACK_OF(X509
) *chain
= NULL
;
906 X509_VERIFY_PARAM
*vpm
= NULL
;
907 SSL_EXCERT
*exc
= NULL
;
908 SSL_CONF_CTX
*cctx
= NULL
;
909 STACK_OF(OPENSSL_STRING
) *ssl_args
= NULL
;
910 char *dane_tlsa_domain
= NULL
;
911 STACK_OF(OPENSSL_STRING
) *dane_tlsa_rrset
= NULL
;
912 int dane_ee_no_name
= 0;
913 STACK_OF(X509_CRL
) *crls
= NULL
;
914 const SSL_METHOD
*meth
= TLS_client_method();
915 const char *CApath
= NULL
, *CAfile
= NULL
, *CAstore
= NULL
;
916 char *cbuf
= NULL
, *sbuf
= NULL
, *mbuf
= NULL
;
917 char *proxystr
= NULL
, *proxyuser
= NULL
;
918 char *proxypassarg
= NULL
, *proxypass
= NULL
;
919 char *connectstr
= NULL
, *bindstr
= NULL
;
920 char *cert_file
= NULL
, *key_file
= NULL
, *chain_file
= NULL
;
921 char *chCApath
= NULL
, *chCAfile
= NULL
, *chCAstore
= NULL
, *host
= NULL
;
922 char *port
= OPENSSL_strdup(PORT
);
923 char *bindhost
= NULL
, *bindport
= NULL
;
924 char *passarg
= NULL
, *pass
= NULL
;
925 char *vfyCApath
= NULL
, *vfyCAfile
= NULL
, *vfyCAstore
= NULL
;
926 char *ReqCAfile
= NULL
;
927 char *sess_in
= NULL
, *crl_file
= NULL
, *p
;
928 const char *protohost
= NULL
;
929 struct timeval timeout
, *timeoutp
;
930 fd_set readfds
, writefds
;
931 int noCApath
= 0, noCAfile
= 0, noCAstore
= 0;
932 int build_chain
= 0, cbuf_len
, cbuf_off
, cert_format
= FORMAT_PEM
;
933 int key_format
= FORMAT_PEM
, crlf
= 0, full_log
= 1, mbuf_len
= 0;
936 int reconnect
= 0, verify
= SSL_VERIFY_NONE
, vpmtouched
= 0;
937 int ret
= 1, in_init
= 1, i
, nbio_test
= 0, sock
= -1, k
, width
, state
= 0;
938 int sbuf_len
, sbuf_off
, cmdletters
= 1;
939 int socket_family
= AF_UNSPEC
, socket_type
= SOCK_STREAM
, protocol
= 0;
940 int starttls_proto
= PROTO_OFF
, crl_format
= FORMAT_PEM
, crl_download
= 0;
941 int write_tty
, read_tty
, write_ssl
, read_ssl
, tty_on
, ssl_pending
;
942 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
945 int read_buf_len
= 0;
946 int fallback_scsv
= 0;
948 #ifndef OPENSSL_NO_DTLS
949 int enable_timeouts
= 0;
952 #ifndef OPENSSL_NO_ENGINE
953 ENGINE
*ssl_client_engine
= NULL
;
956 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
959 const char *servername
= NULL
;
960 int noservername
= 0;
961 const char *alpn_in
= NULL
;
962 tlsextctx tlsextcbp
= { NULL
, 0 };
963 const char *ssl_config
= NULL
;
964 #define MAX_SI_TYPES 100
965 unsigned short serverinfo_types
[MAX_SI_TYPES
];
966 int serverinfo_count
= 0, start
= 0, len
;
967 #ifndef OPENSSL_NO_NEXTPROTONEG
968 const char *next_proto_neg_in
= NULL
;
970 #ifndef OPENSSL_NO_SRP
971 char *srppass
= NULL
;
972 int srp_lateuser
= 0;
973 SRP_ARG srp_arg
= { NULL
, NULL
, 0, 0, 0, 1024 };
975 #ifndef OPENSSL_NO_SRTP
976 char *srtp_profiles
= NULL
;
978 #ifndef OPENSSL_NO_CT
979 char *ctlog_file
= NULL
;
980 int ct_validation
= 0;
982 int min_version
= 0, max_version
= 0, prot_opt
= 0, no_prot_opt
= 0;
984 unsigned int max_send_fragment
= 0;
985 unsigned int split_send_fragment
= 0, max_pipelines
= 0;
986 enum { use_inet
, use_unix
, use_unknown
} connect_type
= use_unknown
;
988 uint8_t maxfraglen
= 0;
989 int c_nbio
= 0, c_msg
= 0, c_ign_eof
= 0, c_brief
= 0;
990 int c_tlsextdebug
= 0;
991 #ifndef OPENSSL_NO_OCSP
992 int c_status_req
= 0;
994 BIO
*bio_c_msg
= NULL
;
995 const char *keylog_file
= NULL
, *early_data_file
= NULL
;
996 #ifndef OPENSSL_NO_DTLS
999 char *psksessf
= NULL
;
1001 #ifndef OPENSSL_NO_SCTP
1002 int sctp_label_bug
= 0;
1007 /* Known false-positive of MemorySanitizer. */
1008 #if defined(__has_feature)
1009 # if __has_feature(memory_sanitizer)
1010 __msan_unpoison(&readfds
, sizeof(readfds
));
1011 __msan_unpoison(&writefds
, sizeof(writefds
));
1015 prog
= opt_progname(argv
[0]);
1020 vpm
= X509_VERIFY_PARAM_new();
1021 cctx
= SSL_CONF_CTX_new();
1023 if (vpm
== NULL
|| cctx
== NULL
) {
1024 BIO_printf(bio_err
, "%s: out of memory\n", prog
);
1028 cbuf
= app_malloc(BUFSIZZ
, "cbuf");
1029 sbuf
= app_malloc(BUFSIZZ
, "sbuf");
1030 mbuf
= app_malloc(BUFSIZZ
, "mbuf");
1032 SSL_CONF_CTX_set_flags(cctx
, SSL_CONF_FLAG_CLIENT
| SSL_CONF_FLAG_CMDLINE
);
1034 prog
= opt_init(argc
, argv
, s_client_options
);
1035 while ((o
= opt_next()) != OPT_EOF
) {
1036 /* Check for intermixing flags. */
1037 if (connect_type
== use_unix
&& IS_INET_FLAG(o
)) {
1039 "%s: Intermixed protocol flags (unix and internet domains)\n",
1043 if (connect_type
== use_inet
&& IS_UNIX_FLAG(o
)) {
1045 "%s: Intermixed protocol flags (internet and unix domains)\n",
1050 if (IS_PROT_FLAG(o
) && ++prot_opt
> 1) {
1051 BIO_printf(bio_err
, "Cannot supply multiple protocol flags\n");
1054 if (IS_NO_PROT_FLAG(o
))
1056 if (prot_opt
== 1 && no_prot_opt
) {
1058 "Cannot supply both a protocol flag and '-no_<prot>'\n");
1066 BIO_printf(bio_err
, "%s: Use -help for summary.\n", prog
);
1069 opt_help(s_client_options
);
1073 connect_type
= use_inet
;
1074 socket_family
= AF_INET
;
1079 connect_type
= use_inet
;
1080 socket_family
= AF_INET6
;
1085 connect_type
= use_inet
;
1086 freeandcopy(&host
, opt_arg());
1089 connect_type
= use_inet
;
1090 freeandcopy(&port
, opt_arg());
1093 connect_type
= use_inet
;
1094 freeandcopy(&connectstr
, opt_arg());
1097 freeandcopy(&bindstr
, opt_arg());
1100 proxystr
= opt_arg();
1101 starttls_proto
= PROTO_CONNECT
;
1103 case OPT_PROXY_USER
:
1104 proxyuser
= opt_arg();
1106 case OPT_PROXY_PASS
:
1107 proxypassarg
= opt_arg();
1111 connect_type
= use_unix
;
1112 socket_family
= AF_UNIX
;
1113 freeandcopy(&host
, opt_arg());
1117 /* fall through, since this is an alias */
1119 protohost
= opt_arg();
1122 verify
= SSL_VERIFY_PEER
;
1123 verify_args
.depth
= atoi(opt_arg());
1125 BIO_printf(bio_err
, "verify depth is %d\n", verify_args
.depth
);
1128 cert_file
= opt_arg();
1131 if (!set_nameopt(opt_arg()))
1135 crl_file
= opt_arg();
1137 case OPT_CRL_DOWNLOAD
:
1141 sess_out
= opt_arg();
1144 sess_in
= opt_arg();
1147 if (!opt_format(opt_arg(), OPT_FMT_ANY
, &cert_format
))
1151 if (!opt_format(opt_arg(), OPT_FMT_PEMDER
, &crl_format
))
1154 case OPT_VERIFY_RET_ERROR
:
1155 verify
= SSL_VERIFY_PEER
;
1156 verify_args
.return_error
= 1;
1158 case OPT_VERIFY_QUIET
:
1159 verify_args
.quiet
= 1;
1162 c_brief
= verify_args
.quiet
= c_quiet
= 1;
1165 if (ssl_args
== NULL
)
1166 ssl_args
= sk_OPENSSL_STRING_new_null();
1167 if (ssl_args
== NULL
1168 || !sk_OPENSSL_STRING_push(ssl_args
, opt_flag())
1169 || !sk_OPENSSL_STRING_push(ssl_args
, opt_arg())) {
1170 BIO_printf(bio_err
, "%s: Memory allocation failure\n", prog
);
1175 if (!opt_verify(o
, vpm
))
1180 if (!args_excert(o
, &exc
))
1190 c_quiet
= c_ign_eof
= 1;
1199 e
= setup_engine(opt_arg(), 1);
1201 case OPT_SSL_CLIENT_ENGINE
:
1202 #ifndef OPENSSL_NO_ENGINE
1203 ssl_client_engine
= ENGINE_by_id(opt_arg());
1204 if (ssl_client_engine
== NULL
) {
1205 BIO_printf(bio_err
, "Error getting client auth engine\n");
1214 case OPT_PROV_CASES
:
1215 if (!opt_provider(o
))
1221 case OPT_NO_IGN_EOF
:
1227 case OPT_TLSEXTDEBUG
:
1231 #ifndef OPENSSL_NO_OCSP
1244 bio_c_msg
= BIO_new_file(opt_arg(), "w");
1247 #ifndef OPENSSL_NO_SSL_TRACE
1251 case OPT_SECURITY_DEBUG
:
1254 case OPT_SECURITY_DEBUG_VERBOSE
:
1266 case OPT_PSK_IDENTITY
:
1267 psk_identity
= opt_arg();
1270 for (p
= psk_key
= opt_arg(); *p
; p
++) {
1271 if (isxdigit(_UC(*p
)))
1273 BIO_printf(bio_err
, "Not a hex number '%s'\n", psk_key
);
1278 psksessf
= opt_arg();
1280 #ifndef OPENSSL_NO_SRP
1282 srp_arg
.srplogin
= opt_arg();
1283 if (min_version
< TLS1_VERSION
)
1284 min_version
= TLS1_VERSION
;
1287 srppass
= opt_arg();
1288 if (min_version
< TLS1_VERSION
)
1289 min_version
= TLS1_VERSION
;
1291 case OPT_SRP_STRENGTH
:
1292 srp_arg
.strength
= atoi(opt_arg());
1293 BIO_printf(bio_err
, "SRP minimal length for N is %d\n",
1295 if (min_version
< TLS1_VERSION
)
1296 min_version
= TLS1_VERSION
;
1298 case OPT_SRP_LATEUSER
:
1300 if (min_version
< TLS1_VERSION
)
1301 min_version
= TLS1_VERSION
;
1303 case OPT_SRP_MOREGROUPS
:
1305 if (min_version
< TLS1_VERSION
)
1306 min_version
= TLS1_VERSION
;
1309 case OPT_SSL_CONFIG
:
1310 ssl_config
= opt_arg();
1313 min_version
= SSL3_VERSION
;
1314 max_version
= SSL3_VERSION
;
1317 min_version
= TLS1_3_VERSION
;
1318 max_version
= TLS1_3_VERSION
;
1321 min_version
= TLS1_2_VERSION
;
1322 max_version
= TLS1_2_VERSION
;
1325 min_version
= TLS1_1_VERSION
;
1326 max_version
= TLS1_1_VERSION
;
1329 min_version
= TLS1_VERSION
;
1330 max_version
= TLS1_VERSION
;
1333 #ifndef OPENSSL_NO_DTLS
1334 meth
= DTLS_client_method();
1335 socket_type
= SOCK_DGRAM
;
1340 #ifndef OPENSSL_NO_DTLS1
1341 meth
= DTLS_client_method();
1342 min_version
= DTLS1_VERSION
;
1343 max_version
= DTLS1_VERSION
;
1344 socket_type
= SOCK_DGRAM
;
1349 #ifndef OPENSSL_NO_DTLS1_2
1350 meth
= DTLS_client_method();
1351 min_version
= DTLS1_2_VERSION
;
1352 max_version
= DTLS1_2_VERSION
;
1353 socket_type
= SOCK_DGRAM
;
1358 #ifndef OPENSSL_NO_SCTP
1359 protocol
= IPPROTO_SCTP
;
1362 case OPT_SCTP_LABEL_BUG
:
1363 #ifndef OPENSSL_NO_SCTP
1368 #ifndef OPENSSL_NO_DTLS
1369 enable_timeouts
= 1;
1373 #ifndef OPENSSL_NO_DTLS
1374 socket_mtu
= atol(opt_arg());
1377 case OPT_FALLBACKSCSV
:
1381 if (!opt_format(opt_arg(), OPT_FMT_ANY
, &key_format
))
1385 passarg
= opt_arg();
1387 case OPT_CERT_CHAIN
:
1388 chain_file
= opt_arg();
1391 key_file
= opt_arg();
1402 case OPT_CHAINCAPATH
:
1403 chCApath
= opt_arg();
1405 case OPT_VERIFYCAPATH
:
1406 vfyCApath
= opt_arg();
1408 case OPT_BUILD_CHAIN
:
1412 ReqCAfile
= opt_arg();
1420 #ifndef OPENSSL_NO_CT
1427 case OPT_CTLOG_FILE
:
1428 ctlog_file
= opt_arg();
1431 case OPT_CHAINCAFILE
:
1432 chCAfile
= opt_arg();
1434 case OPT_VERIFYCAFILE
:
1435 vfyCAfile
= opt_arg();
1438 CAstore
= opt_arg();
1443 case OPT_CHAINCASTORE
:
1444 chCAstore
= opt_arg();
1446 case OPT_VERIFYCASTORE
:
1447 vfyCAstore
= opt_arg();
1449 case OPT_DANE_TLSA_DOMAIN
:
1450 dane_tlsa_domain
= opt_arg();
1452 case OPT_DANE_TLSA_RRDATA
:
1453 if (dane_tlsa_rrset
== NULL
)
1454 dane_tlsa_rrset
= sk_OPENSSL_STRING_new_null();
1455 if (dane_tlsa_rrset
== NULL
||
1456 !sk_OPENSSL_STRING_push(dane_tlsa_rrset
, opt_arg())) {
1457 BIO_printf(bio_err
, "%s: Memory allocation failure\n", prog
);
1461 case OPT_DANE_EE_NO_NAME
:
1462 dane_ee_no_name
= 1;
1464 case OPT_NEXTPROTONEG
:
1465 #ifndef OPENSSL_NO_NEXTPROTONEG
1466 next_proto_neg_in
= opt_arg();
1470 alpn_in
= opt_arg();
1472 case OPT_SERVERINFO
:
1475 for (start
= 0, i
= 0; i
<= len
; ++i
) {
1476 if (i
== len
|| p
[i
] == ',') {
1477 serverinfo_types
[serverinfo_count
] = atoi(p
+ start
);
1478 if (++serverinfo_count
== MAX_SI_TYPES
)
1485 if (!opt_pair(opt_arg(), services
, &starttls_proto
))
1488 case OPT_SERVERNAME
:
1489 servername
= opt_arg();
1491 case OPT_NOSERVERNAME
:
1495 #ifndef OPENSSL_NO_SRTP
1496 srtp_profiles
= opt_arg();
1499 case OPT_KEYMATEXPORT
:
1500 keymatexportlabel
= opt_arg();
1502 case OPT_KEYMATEXPORTLEN
:
1503 keymatexportlen
= atoi(opt_arg());
1508 case OPT_MAXFRAGLEN
:
1509 len
= atoi(opt_arg());
1512 maxfraglen
= TLSEXT_max_fragment_length_512
;
1515 maxfraglen
= TLSEXT_max_fragment_length_1024
;
1518 maxfraglen
= TLSEXT_max_fragment_length_2048
;
1521 maxfraglen
= TLSEXT_max_fragment_length_4096
;
1525 "%s: Max Fragment Len %u is out of permitted values",
1530 case OPT_MAX_SEND_FRAG
:
1531 max_send_fragment
= atoi(opt_arg());
1533 case OPT_SPLIT_SEND_FRAG
:
1534 split_send_fragment
= atoi(opt_arg());
1536 case OPT_MAX_PIPELINES
:
1537 max_pipelines
= atoi(opt_arg());
1540 read_buf_len
= atoi(opt_arg());
1542 case OPT_KEYLOG_FILE
:
1543 keylog_file
= opt_arg();
1545 case OPT_EARLY_DATA
:
1546 early_data_file
= opt_arg();
1548 case OPT_ENABLE_PHA
:
1554 if (count4or6
>= 2) {
1555 BIO_printf(bio_err
, "%s: Can't use both -4 and -6\n", prog
);
1559 if (servername
!= NULL
) {
1561 "%s: Can't use -servername and -noservername together\n",
1565 if (dane_tlsa_domain
!= NULL
) {
1567 "%s: Can't use -dane_tlsa_domain and -noservername together\n",
1572 argc
= opt_num_rest();
1574 /* If there's a positional argument, it's the equivalent of
1576 * Don't allow -connect and a separate argument.
1578 if (connectstr
!= NULL
) {
1580 "%s: must not provide both -connect option and target parameter\n",
1584 connect_type
= use_inet
;
1585 freeandcopy(&connectstr
, *opt_rest());
1586 } else if (argc
!= 0) {
1590 #ifndef OPENSSL_NO_NEXTPROTONEG
1591 if (min_version
== TLS1_3_VERSION
&& next_proto_neg_in
!= NULL
) {
1592 BIO_printf(bio_err
, "Cannot supply -nextprotoneg with TLSv1.3\n");
1596 if (proxystr
!= NULL
) {
1598 char *tmp_host
= host
, *tmp_port
= port
;
1599 if (connectstr
== NULL
) {
1600 BIO_printf(bio_err
, "%s: -proxy requires use of -connect or target parameter\n", prog
);
1603 res
= BIO_parse_hostserv(proxystr
, &host
, &port
, BIO_PARSE_PRIO_HOST
);
1604 if (tmp_host
!= host
)
1605 OPENSSL_free(tmp_host
);
1606 if (tmp_port
!= port
)
1607 OPENSSL_free(tmp_port
);
1610 "%s: -proxy argument malformed or ambiguous\n", prog
);
1615 char *tmp_host
= host
, *tmp_port
= port
;
1616 if (connectstr
!= NULL
)
1617 res
= BIO_parse_hostserv(connectstr
, &host
, &port
,
1618 BIO_PARSE_PRIO_HOST
);
1619 if (tmp_host
!= host
)
1620 OPENSSL_free(tmp_host
);
1621 if (tmp_port
!= port
)
1622 OPENSSL_free(tmp_port
);
1625 "%s: -connect argument or target parameter malformed or ambiguous\n",
1631 if (bindstr
!= NULL
) {
1633 res
= BIO_parse_hostserv(bindstr
, &bindhost
, &bindport
,
1634 BIO_PARSE_PRIO_HOST
);
1637 "%s: -bind argument parameter malformed or ambiguous\n",
1644 if (socket_family
== AF_UNIX
&& socket_type
!= SOCK_STREAM
) {
1646 "Can't use unix sockets and datagrams together\n");
1651 #ifndef OPENSSL_NO_SCTP
1652 if (protocol
== IPPROTO_SCTP
) {
1653 if (socket_type
!= SOCK_DGRAM
) {
1654 BIO_printf(bio_err
, "Can't use -sctp without DTLS\n");
1657 /* SCTP is unusual. It uses DTLS over a SOCK_STREAM protocol */
1658 socket_type
= SOCK_STREAM
;
1662 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1663 next_proto
.status
= -1;
1664 if (next_proto_neg_in
) {
1666 next_protos_parse(&next_proto
.len
, next_proto_neg_in
);
1667 if (next_proto
.data
== NULL
) {
1668 BIO_printf(bio_err
, "Error parsing -nextprotoneg argument\n");
1672 next_proto
.data
= NULL
;
1675 if (!app_passwd(passarg
, NULL
, &pass
, NULL
)) {
1676 BIO_printf(bio_err
, "Error getting private key password\n");
1680 if (!app_passwd(proxypassarg
, NULL
, &proxypass
, NULL
)) {
1681 BIO_printf(bio_err
, "Error getting proxy password\n");
1685 if (proxypass
!= NULL
&& proxyuser
== NULL
) {
1686 BIO_printf(bio_err
, "Error: Must specify proxy_user with proxy_pass\n");
1690 if (key_file
== NULL
)
1691 key_file
= cert_file
;
1693 if (key_file
!= NULL
) {
1694 key
= load_key(key_file
, key_format
, 0, pass
, e
,
1695 "client certificate private key file");
1700 if (cert_file
!= NULL
) {
1701 cert
= load_cert(cert_file
, cert_format
, "client certificate file");
1706 if (chain_file
!= NULL
) {
1707 if (!load_certs(chain_file
, &chain
, FORMAT_PEM
, NULL
,
1708 "client certificate chain"))
1712 if (crl_file
!= NULL
) {
1714 crl
= load_crl(crl_file
, crl_format
, "CRL");
1717 crls
= sk_X509_CRL_new_null();
1718 if (crls
== NULL
|| !sk_X509_CRL_push(crls
, crl
)) {
1719 BIO_puts(bio_err
, "Error adding CRL\n");
1720 ERR_print_errors(bio_err
);
1726 if (!load_excert(&exc
))
1729 if (bio_c_out
== NULL
) {
1730 if (c_quiet
&& !c_debug
) {
1731 bio_c_out
= BIO_new(BIO_s_null());
1732 if (c_msg
&& bio_c_msg
== NULL
)
1733 bio_c_msg
= dup_bio_out(FORMAT_TEXT
);
1734 } else if (bio_c_out
== NULL
)
1735 bio_c_out
= dup_bio_out(FORMAT_TEXT
);
1737 #ifndef OPENSSL_NO_SRP
1738 if (!app_passwd(srppass
, NULL
, &srp_arg
.srppassin
, NULL
)) {
1739 BIO_printf(bio_err
, "Error getting password\n");
1744 ctx
= SSL_CTX_new(meth
);
1746 ERR_print_errors(bio_err
);
1750 SSL_CTX_clear_mode(ctx
, SSL_MODE_AUTO_RETRY
);
1753 ssl_ctx_security_debug(ctx
, sdebug
);
1755 if (!config_ctx(cctx
, ssl_args
, ctx
))
1758 if (ssl_config
!= NULL
) {
1759 if (SSL_CTX_config(ctx
, ssl_config
) == 0) {
1760 BIO_printf(bio_err
, "Error using configuration \"%s\"\n",
1762 ERR_print_errors(bio_err
);
1767 #ifndef OPENSSL_NO_SCTP
1768 if (protocol
== IPPROTO_SCTP
&& sctp_label_bug
== 1)
1769 SSL_CTX_set_mode(ctx
, SSL_MODE_DTLS_SCTP_LABEL_LENGTH_BUG
);
1772 if (min_version
!= 0
1773 && SSL_CTX_set_min_proto_version(ctx
, min_version
) == 0)
1775 if (max_version
!= 0
1776 && SSL_CTX_set_max_proto_version(ctx
, max_version
) == 0)
1779 if (vpmtouched
&& !SSL_CTX_set1_param(ctx
, vpm
)) {
1780 BIO_printf(bio_err
, "Error setting verify params\n");
1781 ERR_print_errors(bio_err
);
1786 SSL_CTX_set_mode(ctx
, SSL_MODE_ASYNC
);
1789 if (max_send_fragment
> 0
1790 && !SSL_CTX_set_max_send_fragment(ctx
, max_send_fragment
)) {
1791 BIO_printf(bio_err
, "%s: Max send fragment size %u is out of permitted range\n",
1792 prog
, max_send_fragment
);
1796 if (split_send_fragment
> 0
1797 && !SSL_CTX_set_split_send_fragment(ctx
, split_send_fragment
)) {
1798 BIO_printf(bio_err
, "%s: Split send fragment size %u is out of permitted range\n",
1799 prog
, split_send_fragment
);
1803 if (max_pipelines
> 0
1804 && !SSL_CTX_set_max_pipelines(ctx
, max_pipelines
)) {
1805 BIO_printf(bio_err
, "%s: Max pipelines %u is out of permitted range\n",
1806 prog
, max_pipelines
);
1810 if (read_buf_len
> 0) {
1811 SSL_CTX_set_default_read_buffer_len(ctx
, read_buf_len
);
1815 && !SSL_CTX_set_tlsext_max_fragment_length(ctx
, maxfraglen
)) {
1817 "%s: Max Fragment Length code %u is out of permitted values"
1818 "\n", prog
, maxfraglen
);
1822 if (!ssl_load_stores(ctx
,
1823 vfyCApath
, vfyCAfile
, vfyCAstore
,
1824 chCApath
, chCAfile
, chCAstore
,
1825 crls
, crl_download
)) {
1826 BIO_printf(bio_err
, "Error loading store locations\n");
1827 ERR_print_errors(bio_err
);
1830 if (ReqCAfile
!= NULL
) {
1831 STACK_OF(X509_NAME
) *nm
= sk_X509_NAME_new_null();
1833 if (nm
== NULL
|| !SSL_add_file_cert_subjects_to_stack(nm
, ReqCAfile
)) {
1834 sk_X509_NAME_pop_free(nm
, X509_NAME_free
);
1835 BIO_printf(bio_err
, "Error loading CA names\n");
1836 ERR_print_errors(bio_err
);
1839 SSL_CTX_set0_CA_list(ctx
, nm
);
1841 #ifndef OPENSSL_NO_ENGINE
1842 if (ssl_client_engine
) {
1843 if (!SSL_CTX_set_client_cert_engine(ctx
, ssl_client_engine
)) {
1844 BIO_puts(bio_err
, "Error setting client auth engine\n");
1845 ERR_print_errors(bio_err
);
1846 ENGINE_free(ssl_client_engine
);
1849 ENGINE_free(ssl_client_engine
);
1853 #ifndef OPENSSL_NO_PSK
1854 if (psk_key
!= NULL
) {
1856 BIO_printf(bio_c_out
, "PSK key given, setting client callback\n");
1857 SSL_CTX_set_psk_client_callback(ctx
, psk_client_cb
);
1860 if (psksessf
!= NULL
) {
1861 BIO
*stmp
= BIO_new_file(psksessf
, "r");
1864 BIO_printf(bio_err
, "Can't open PSK session file %s\n", psksessf
);
1865 ERR_print_errors(bio_err
);
1868 psksess
= PEM_read_bio_SSL_SESSION(stmp
, NULL
, 0, NULL
);
1870 if (psksess
== NULL
) {
1871 BIO_printf(bio_err
, "Can't read PSK session file %s\n", psksessf
);
1872 ERR_print_errors(bio_err
);
1876 if (psk_key
!= NULL
|| psksess
!= NULL
)
1877 SSL_CTX_set_psk_use_session_callback(ctx
, psk_use_session_cb
);
1879 #ifndef OPENSSL_NO_SRTP
1880 if (srtp_profiles
!= NULL
) {
1881 /* Returns 0 on success! */
1882 if (SSL_CTX_set_tlsext_use_srtp(ctx
, srtp_profiles
) != 0) {
1883 BIO_printf(bio_err
, "Error setting SRTP profile\n");
1884 ERR_print_errors(bio_err
);
1891 ssl_ctx_set_excert(ctx
, exc
);
1893 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1894 if (next_proto
.data
!= NULL
)
1895 SSL_CTX_set_next_proto_select_cb(ctx
, next_proto_cb
, &next_proto
);
1899 unsigned char *alpn
= next_protos_parse(&alpn_len
, alpn_in
);
1902 BIO_printf(bio_err
, "Error parsing -alpn argument\n");
1905 /* Returns 0 on success! */
1906 if (SSL_CTX_set_alpn_protos(ctx
, alpn
, alpn_len
) != 0) {
1907 BIO_printf(bio_err
, "Error setting ALPN\n");
1913 for (i
= 0; i
< serverinfo_count
; i
++) {
1914 if (!SSL_CTX_add_client_custom_ext(ctx
,
1915 serverinfo_types
[i
],
1917 serverinfo_cli_parse_cb
, NULL
)) {
1919 "Warning: Unable to add custom extension %u, skipping\n",
1920 serverinfo_types
[i
]);
1925 SSL_CTX_set_info_callback(ctx
, apps_ssl_info_callback
);
1927 #ifndef OPENSSL_NO_CT
1928 /* Enable SCT processing, without early connection termination */
1929 if (ct_validation
&&
1930 !SSL_CTX_enable_ct(ctx
, SSL_CT_VALIDATION_PERMISSIVE
)) {
1931 ERR_print_errors(bio_err
);
1935 if (!ctx_set_ctlog_list_file(ctx
, ctlog_file
)) {
1936 if (ct_validation
) {
1937 ERR_print_errors(bio_err
);
1942 * If CT validation is not enabled, the log list isn't needed so don't
1943 * show errors or abort. We try to load it regardless because then we
1944 * can show the names of the logs any SCTs came from (SCTs may be seen
1945 * even with validation disabled).
1951 SSL_CTX_set_verify(ctx
, verify
, verify_callback
);
1953 if (!ctx_set_verify_locations(ctx
, CAfile
, noCAfile
, CApath
, noCApath
,
1954 CAstore
, noCAstore
)) {
1955 ERR_print_errors(bio_err
);
1959 ssl_ctx_add_crls(ctx
, crls
, crl_download
);
1961 if (!set_cert_key_stuff(ctx
, cert
, key
, chain
, build_chain
))
1964 if (!noservername
) {
1965 tlsextcbp
.biodebug
= bio_err
;
1966 SSL_CTX_set_tlsext_servername_callback(ctx
, ssl_servername_cb
);
1967 SSL_CTX_set_tlsext_servername_arg(ctx
, &tlsextcbp
);
1969 # ifndef OPENSSL_NO_SRP
1970 if (srp_arg
.srplogin
) {
1971 if (!srp_lateuser
&& !SSL_CTX_set_srp_username(ctx
, srp_arg
.srplogin
)) {
1972 BIO_printf(bio_err
, "Unable to set SRP username\n");
1975 srp_arg
.msg
= c_msg
;
1976 srp_arg
.debug
= c_debug
;
1977 SSL_CTX_set_srp_cb_arg(ctx
, &srp_arg
);
1978 SSL_CTX_set_srp_client_pwd_callback(ctx
, ssl_give_srp_client_pwd_cb
);
1979 SSL_CTX_set_srp_strength(ctx
, srp_arg
.strength
);
1980 if (c_msg
|| c_debug
|| srp_arg
.amp
== 0)
1981 SSL_CTX_set_srp_verify_param_callback(ctx
,
1982 ssl_srp_verify_param_cb
);
1986 if (dane_tlsa_domain
!= NULL
) {
1987 if (SSL_CTX_dane_enable(ctx
) <= 0) {
1989 "%s: Error enabling DANE TLSA authentication.\n",
1991 ERR_print_errors(bio_err
);
1997 * In TLSv1.3 NewSessionTicket messages arrive after the handshake and can
1998 * come at any time. Therefore we use a callback to write out the session
1999 * when we know about it. This approach works for < TLSv1.3 as well.
2001 SSL_CTX_set_session_cache_mode(ctx
, SSL_SESS_CACHE_CLIENT
2002 | SSL_SESS_CACHE_NO_INTERNAL_STORE
);
2003 SSL_CTX_sess_set_new_cb(ctx
, new_session_cb
);
2005 if (set_keylog_file(ctx
, keylog_file
))
2013 SSL_set_post_handshake_auth(con
, 1);
2015 if (sess_in
!= NULL
) {
2017 BIO
*stmp
= BIO_new_file(sess_in
, "r");
2019 BIO_printf(bio_err
, "Can't open session file %s\n", sess_in
);
2020 ERR_print_errors(bio_err
);
2023 sess
= PEM_read_bio_SSL_SESSION(stmp
, NULL
, 0, NULL
);
2026 BIO_printf(bio_err
, "Can't open session file %s\n", sess_in
);
2027 ERR_print_errors(bio_err
);
2030 if (!SSL_set_session(con
, sess
)) {
2031 BIO_printf(bio_err
, "Can't set session\n");
2032 ERR_print_errors(bio_err
);
2036 SSL_SESSION_free(sess
);
2040 SSL_set_mode(con
, SSL_MODE_SEND_FALLBACK_SCSV
);
2042 if (!noservername
&& (servername
!= NULL
|| dane_tlsa_domain
== NULL
)) {
2043 if (servername
== NULL
) {
2044 if(host
== NULL
|| is_dNS_name(host
))
2045 servername
= (host
== NULL
) ? "localhost" : host
;
2047 if (servername
!= NULL
&& !SSL_set_tlsext_host_name(con
, servername
)) {
2048 BIO_printf(bio_err
, "Unable to set TLS servername extension.\n");
2049 ERR_print_errors(bio_err
);
2054 if (dane_tlsa_domain
!= NULL
) {
2055 if (SSL_dane_enable(con
, dane_tlsa_domain
) <= 0) {
2056 BIO_printf(bio_err
, "%s: Error enabling DANE TLSA "
2057 "authentication.\n", prog
);
2058 ERR_print_errors(bio_err
);
2061 if (dane_tlsa_rrset
== NULL
) {
2062 BIO_printf(bio_err
, "%s: DANE TLSA authentication requires at "
2063 "least one -dane_tlsa_rrdata option.\n", prog
);
2066 if (tlsa_import_rrset(con
, dane_tlsa_rrset
) <= 0) {
2067 BIO_printf(bio_err
, "%s: Failed to import any TLSA "
2068 "records.\n", prog
);
2071 if (dane_ee_no_name
)
2072 SSL_dane_set_flags(con
, DANE_FLAG_NO_DANE_EE_NAMECHECKS
);
2073 } else if (dane_tlsa_rrset
!= NULL
) {
2074 BIO_printf(bio_err
, "%s: DANE TLSA authentication requires the "
2075 "-dane_tlsa_domain option.\n", prog
);
2080 if (init_client(&sock
, host
, port
, bindhost
, bindport
, socket_family
,
2081 socket_type
, protocol
) == 0) {
2082 BIO_printf(bio_err
, "connect:errno=%d\n", get_last_socket_error());
2083 BIO_closesocket(sock
);
2086 BIO_printf(bio_c_out
, "CONNECTED(%08X)\n", sock
);
2089 if (!BIO_socket_nbio(sock
, 1)) {
2090 ERR_print_errors(bio_err
);
2093 BIO_printf(bio_c_out
, "Turned on non blocking io\n");
2095 #ifndef OPENSSL_NO_DTLS
2097 union BIO_sock_info_u peer_info
;
2099 #ifndef OPENSSL_NO_SCTP
2100 if (protocol
== IPPROTO_SCTP
)
2101 sbio
= BIO_new_dgram_sctp(sock
, BIO_NOCLOSE
);
2104 sbio
= BIO_new_dgram(sock
, BIO_NOCLOSE
);
2106 if ((peer_info
.addr
= BIO_ADDR_new()) == NULL
) {
2107 BIO_printf(bio_err
, "memory allocation failure\n");
2108 BIO_closesocket(sock
);
2111 if (!BIO_sock_info(sock
, BIO_SOCK_INFO_ADDRESS
, &peer_info
)) {
2112 BIO_printf(bio_err
, "getsockname:errno=%d\n",
2113 get_last_socket_error());
2114 BIO_ADDR_free(peer_info
.addr
);
2115 BIO_closesocket(sock
);
2119 (void)BIO_ctrl_set_connected(sbio
, peer_info
.addr
);
2120 BIO_ADDR_free(peer_info
.addr
);
2121 peer_info
.addr
= NULL
;
2123 if (enable_timeouts
) {
2125 timeout
.tv_usec
= DGRAM_RCV_TIMEOUT
;
2126 BIO_ctrl(sbio
, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT
, 0, &timeout
);
2129 timeout
.tv_usec
= DGRAM_SND_TIMEOUT
;
2130 BIO_ctrl(sbio
, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT
, 0, &timeout
);
2134 if (socket_mtu
< DTLS_get_link_min_mtu(con
)) {
2135 BIO_printf(bio_err
, "MTU too small. Must be at least %ld\n",
2136 DTLS_get_link_min_mtu(con
));
2140 SSL_set_options(con
, SSL_OP_NO_QUERY_MTU
);
2141 if (!DTLS_set_link_mtu(con
, socket_mtu
)) {
2142 BIO_printf(bio_err
, "Failed to set MTU\n");
2147 /* want to do MTU discovery */
2148 BIO_ctrl(sbio
, BIO_CTRL_DGRAM_MTU_DISCOVER
, 0, NULL
);
2151 #endif /* OPENSSL_NO_DTLS */
2152 sbio
= BIO_new_socket(sock
, BIO_NOCLOSE
);
2157 test
= BIO_new(BIO_f_nbio_test());
2158 sbio
= BIO_push(test
, sbio
);
2162 BIO_set_callback(sbio
, bio_dump_callback
);
2163 BIO_set_callback_arg(sbio
, (char *)bio_c_out
);
2166 #ifndef OPENSSL_NO_SSL_TRACE
2168 SSL_set_msg_callback(con
, SSL_trace
);
2171 SSL_set_msg_callback(con
, msg_cb
);
2172 SSL_set_msg_callback_arg(con
, bio_c_msg
? bio_c_msg
: bio_c_out
);
2175 if (c_tlsextdebug
) {
2176 SSL_set_tlsext_debug_callback(con
, tlsext_cb
);
2177 SSL_set_tlsext_debug_arg(con
, bio_c_out
);
2179 #ifndef OPENSSL_NO_OCSP
2181 SSL_set_tlsext_status_type(con
, TLSEXT_STATUSTYPE_ocsp
);
2182 SSL_CTX_set_tlsext_status_cb(ctx
, ocsp_resp_cb
);
2183 SSL_CTX_set_tlsext_status_arg(ctx
, bio_c_out
);
2187 SSL_set_bio(con
, sbio
, sbio
);
2188 SSL_set_connect_state(con
);
2190 /* ok, lets connect */
2191 if (fileno_stdin() > SSL_get_fd(con
))
2192 width
= fileno_stdin() + 1;
2194 width
= SSL_get_fd(con
) + 1;
2207 switch ((PROTOCOL_CHOICE
) starttls_proto
) {
2214 * This is an ugly hack that does a lot of assumptions. We do
2215 * have to handle multi-line responses which may come in a single
2216 * packet or not. We therefore have to use BIO_gets() which does
2217 * need a buffering BIO. So during the initial chitchat we do
2218 * push a buffering BIO into the chain that is removed again
2219 * later on to not disturb the rest of the s_client operation.
2222 BIO
*fbio
= BIO_new(BIO_f_buffer());
2224 BIO_push(fbio
, sbio
);
2225 /* Wait for multi-line response to end from LMTP or SMTP */
2227 mbuf_len
= BIO_gets(fbio
, mbuf
, BUFSIZZ
);
2228 } while (mbuf_len
> 3 && mbuf
[3] == '-');
2229 if (protohost
== NULL
)
2230 protohost
= "mail.example.com";
2231 if (starttls_proto
== (int)PROTO_LMTP
)
2232 BIO_printf(fbio
, "LHLO %s\r\n", protohost
);
2234 BIO_printf(fbio
, "EHLO %s\r\n", protohost
);
2235 (void)BIO_flush(fbio
);
2237 * Wait for multi-line response to end LHLO LMTP or EHLO SMTP
2241 mbuf_len
= BIO_gets(fbio
, mbuf
, BUFSIZZ
);
2242 if (strstr(mbuf
, "STARTTLS"))
2244 } while (mbuf_len
> 3 && mbuf
[3] == '-');
2245 (void)BIO_flush(fbio
);
2250 "Didn't find STARTTLS in server response,"
2251 " trying anyway...\n");
2252 BIO_printf(sbio
, "STARTTLS\r\n");
2253 BIO_read(sbio
, sbuf
, BUFSIZZ
);
2258 BIO_read(sbio
, mbuf
, BUFSIZZ
);
2259 BIO_printf(sbio
, "STLS\r\n");
2260 mbuf_len
= BIO_read(sbio
, sbuf
, BUFSIZZ
);
2262 BIO_printf(bio_err
, "BIO_read failed\n");
2270 BIO
*fbio
= BIO_new(BIO_f_buffer());
2272 BIO_push(fbio
, sbio
);
2273 BIO_gets(fbio
, mbuf
, BUFSIZZ
);
2274 /* STARTTLS command requires CAPABILITY... */
2275 BIO_printf(fbio
, ". CAPABILITY\r\n");
2276 (void)BIO_flush(fbio
);
2277 /* wait for multi-line CAPABILITY response */
2279 mbuf_len
= BIO_gets(fbio
, mbuf
, BUFSIZZ
);
2280 if (strstr(mbuf
, "STARTTLS"))
2283 while (mbuf_len
> 3 && mbuf
[0] != '.');
2284 (void)BIO_flush(fbio
);
2289 "Didn't find STARTTLS in server response,"
2290 " trying anyway...\n");
2291 BIO_printf(sbio
, ". STARTTLS\r\n");
2292 BIO_read(sbio
, sbuf
, BUFSIZZ
);
2297 BIO
*fbio
= BIO_new(BIO_f_buffer());
2299 BIO_push(fbio
, sbio
);
2300 /* wait for multi-line response to end from FTP */
2302 mbuf_len
= BIO_gets(fbio
, mbuf
, BUFSIZZ
);
2304 while (mbuf_len
> 3 && (!isdigit(mbuf
[0]) || !isdigit(mbuf
[1]) || !isdigit(mbuf
[2]) || mbuf
[3] != ' '));
2305 (void)BIO_flush(fbio
);
2308 BIO_printf(sbio
, "AUTH TLS\r\n");
2309 BIO_read(sbio
, sbuf
, BUFSIZZ
);
2313 case PROTO_XMPP_SERVER
:
2316 BIO_printf(sbio
, "<stream:stream "
2317 "xmlns:stream='http://etherx.jabber.org/streams' "
2318 "xmlns='jabber:%s' to='%s' version='1.0'>",
2319 starttls_proto
== PROTO_XMPP
? "client" : "server",
2320 protohost
? protohost
: host
);
2321 seen
= BIO_read(sbio
, mbuf
, BUFSIZZ
);
2323 BIO_printf(bio_err
, "BIO_read failed\n");
2328 (mbuf
, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")
2330 "<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\""))
2332 seen
= BIO_read(sbio
, mbuf
, BUFSIZZ
);
2340 "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
2341 seen
= BIO_read(sbio
, sbuf
, BUFSIZZ
);
2343 BIO_printf(bio_err
, "BIO_read failed\n");
2347 if (!strstr(sbuf
, "<proceed"))
2354 static const unsigned char tls_do
[] = {
2355 /* IAC DO START_TLS */
2358 static const unsigned char tls_will
[] = {
2359 /* IAC WILL START_TLS */
2362 static const unsigned char tls_follows
[] = {
2363 /* IAC SB START_TLS FOLLOWS IAC SE */
2364 255, 250, 46, 1, 255, 240
2368 /* Telnet server should demand we issue START_TLS */
2369 bytes
= BIO_read(sbio
, mbuf
, BUFSIZZ
);
2370 if (bytes
!= 3 || memcmp(mbuf
, tls_do
, 3) != 0)
2372 /* Agree to issue START_TLS and send the FOLLOWS sub-command */
2373 BIO_write(sbio
, tls_will
, 3);
2374 BIO_write(sbio
, tls_follows
, 6);
2375 (void)BIO_flush(sbio
);
2376 /* Telnet server also sent the FOLLOWS sub-command */
2377 bytes
= BIO_read(sbio
, mbuf
, BUFSIZZ
);
2378 if (bytes
!= 6 || memcmp(mbuf
, tls_follows
, 6) != 0)
2383 if (!OSSL_HTTP_proxy_connect(sbio
, host
, port
, proxyuser
, proxypass
,
2384 0 /* no timeout */, bio_err
, prog
))
2390 BIO
*fbio
= BIO_new(BIO_f_buffer());
2392 BIO_push(fbio
, sbio
);
2393 BIO_printf(fbio
, "STARTTLS\r\n");
2394 (void)BIO_flush(fbio
);
2395 width
= SSL_get_fd(con
) + 1;
2401 openssl_fdset(SSL_get_fd(con
), &readfds
);
2402 timeout
.tv_sec
= S_CLIENT_IRC_READ_TIMEOUT
;
2403 timeout
.tv_usec
= 0;
2405 * If the IRCd doesn't respond within
2406 * S_CLIENT_IRC_READ_TIMEOUT seconds, assume
2407 * it doesn't support STARTTLS. Many IRCds
2408 * will not give _any_ sort of response to a
2409 * STARTTLS command when it's not supported.
2411 if (!BIO_get_buffer_num_lines(fbio
)
2412 && !BIO_pending(fbio
)
2413 && !BIO_pending(sbio
)
2414 && select(width
, (void *)&readfds
, NULL
, NULL
,
2417 "Timeout waiting for response (%d seconds).\n",
2418 S_CLIENT_IRC_READ_TIMEOUT
);
2422 mbuf_len
= BIO_gets(fbio
, mbuf
, BUFSIZZ
);
2423 if (mbuf_len
< 1 || sscanf(mbuf
, "%*s %d", &numeric
) != 1)
2425 /* :example.net 451 STARTTLS :You have not registered */
2426 /* :example.net 421 STARTTLS :Unknown command */
2427 if ((numeric
== 451 || numeric
== 421)
2428 && strstr(mbuf
, "STARTTLS") != NULL
) {
2429 BIO_printf(bio_err
, "STARTTLS not supported: %s", mbuf
);
2432 if (numeric
== 691) {
2433 BIO_printf(bio_err
, "STARTTLS negotiation failed: ");
2434 ERR_print_errors(bio_err
);
2437 } while (numeric
!= 670);
2439 (void)BIO_flush(fbio
);
2442 if (numeric
!= 670) {
2443 BIO_printf(bio_err
, "Server does not support STARTTLS.\n");
2451 /* SSL request packet */
2452 static const unsigned char ssl_req
[] = {
2453 /* payload_length, sequence_id */
2454 0x20, 0x00, 0x00, 0x01,
2456 /* capability flags, CLIENT_SSL always set */
2457 0x85, 0xae, 0x7f, 0x00,
2458 /* max-packet size */
2459 0x00, 0x00, 0x00, 0x01,
2462 /* string[23] reserved (all [0]) */
2463 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
2464 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
2465 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
2468 int ssl_flg
= 0x800;
2470 const unsigned char *packet
= (const unsigned char *)sbuf
;
2472 /* Receiving Initial Handshake packet. */
2473 bytes
= BIO_read(sbio
, (void *)packet
, BUFSIZZ
);
2475 BIO_printf(bio_err
, "BIO_read failed\n");
2477 /* Packet length[3], Packet number[1] + minimum payload[17] */
2478 } else if (bytes
< 21) {
2479 BIO_printf(bio_err
, "MySQL packet too short.\n");
2481 } else if (bytes
!= (4 + packet
[0] +
2483 (packet
[2] << 16))) {
2484 BIO_printf(bio_err
, "MySQL packet length does not match.\n");
2486 /* protocol version[1] */
2487 } else if (packet
[4] != 0xA) {
2489 "Only MySQL protocol version 10 is supported.\n");
2494 /* server version[string+NULL] */
2497 BIO_printf(bio_err
, "Cannot confirm server version. ");
2499 } else if (packet
[pos
++] == '\0') {
2504 /* make sure we have at least 15 bytes left in the packet */
2505 if (pos
+ 15 > bytes
) {
2507 "MySQL server handshake packet is broken.\n");
2511 pos
+= 12; /* skip over conn id[4] + SALT[8] */
2512 if (packet
[pos
++] != '\0') { /* verify filler */
2514 "MySQL packet is broken.\n");
2518 /* capability flags[2] */
2519 if (!((packet
[pos
] + (packet
[pos
+ 1] << 8)) & ssl_flg
)) {
2520 BIO_printf(bio_err
, "MySQL server does not support SSL.\n");
2524 /* Sending SSL Handshake packet. */
2525 BIO_write(sbio
, ssl_req
, sizeof(ssl_req
));
2526 (void)BIO_flush(sbio
);
2529 case PROTO_POSTGRES
:
2531 static const unsigned char ssl_request
[] = {
2532 /* Length SSLRequest */
2533 0, 0, 0, 8, 4, 210, 22, 47
2537 /* Send SSLRequest packet */
2538 BIO_write(sbio
, ssl_request
, 8);
2539 (void)BIO_flush(sbio
);
2541 /* Reply will be a single S if SSL is enabled */
2542 bytes
= BIO_read(sbio
, sbuf
, BUFSIZZ
);
2543 if (bytes
!= 1 || sbuf
[0] != 'S')
2550 BIO
*fbio
= BIO_new(BIO_f_buffer());
2552 BIO_push(fbio
, sbio
);
2553 BIO_gets(fbio
, mbuf
, BUFSIZZ
);
2554 /* STARTTLS command requires CAPABILITIES... */
2555 BIO_printf(fbio
, "CAPABILITIES\r\n");
2556 (void)BIO_flush(fbio
);
2557 BIO_gets(fbio
, mbuf
, BUFSIZZ
);
2558 /* no point in trying to parse the CAPABILITIES response if there is none */
2559 if (strstr(mbuf
, "101") != NULL
) {
2560 /* wait for multi-line CAPABILITIES response */
2562 mbuf_len
= BIO_gets(fbio
, mbuf
, BUFSIZZ
);
2563 if (strstr(mbuf
, "STARTTLS"))
2565 } while (mbuf_len
> 1 && mbuf
[0] != '.');
2567 (void)BIO_flush(fbio
);
2572 "Didn't find STARTTLS in server response,"
2573 " trying anyway...\n");
2574 BIO_printf(sbio
, "STARTTLS\r\n");
2575 mbuf_len
= BIO_read(sbio
, mbuf
, BUFSIZZ
);
2577 BIO_printf(bio_err
, "BIO_read failed\n");
2580 mbuf
[mbuf_len
] = '\0';
2581 if (strstr(mbuf
, "382") == NULL
) {
2582 BIO_printf(bio_err
, "STARTTLS failed: %s", mbuf
);
2590 BIO
*fbio
= BIO_new(BIO_f_buffer());
2592 BIO_push(fbio
, sbio
);
2593 /* wait for multi-line response to end from Sieve */
2595 mbuf_len
= BIO_gets(fbio
, mbuf
, BUFSIZZ
);
2597 * According to RFC 5804 § 1.7, capability
2598 * is case-insensitive, make it uppercase
2600 if (mbuf_len
> 1 && mbuf
[0] == '"') {
2601 make_uppercase(mbuf
);
2602 if (strncmp(mbuf
, "\"STARTTLS\"", 10) == 0)
2605 } while (mbuf_len
> 1 && mbuf
[0] == '"');
2606 (void)BIO_flush(fbio
);
2611 "Didn't find STARTTLS in server response,"
2612 " trying anyway...\n");
2613 BIO_printf(sbio
, "STARTTLS\r\n");
2614 mbuf_len
= BIO_read(sbio
, mbuf
, BUFSIZZ
);
2616 BIO_printf(bio_err
, "BIO_read failed\n");
2619 mbuf
[mbuf_len
] = '\0';
2621 BIO_printf(bio_err
, "STARTTLS failed: %s", mbuf
);
2625 * According to RFC 5804 § 2.2, response codes are case-
2626 * insensitive, make it uppercase but preserve the response.
2628 strncpy(sbuf
, mbuf
, 2);
2629 make_uppercase(sbuf
);
2630 if (strncmp(sbuf
, "OK", 2) != 0) {
2631 BIO_printf(bio_err
, "STARTTLS not supported: %s", mbuf
);
2638 /* StartTLS Operation according to RFC 4511 */
2639 static char ldap_tls_genconf
[] = "asn1=SEQUENCE:LDAPMessage\n"
2641 "messageID=INTEGER:1\n"
2642 "extendedReq=EXPLICIT:23A,IMPLICIT:0C,"
2643 "FORMAT:ASCII,OCT:1.3.6.1.4.1.1466.20037\n";
2645 char *genstr
= NULL
;
2647 ASN1_TYPE
*atyp
= NULL
;
2648 BIO
*ldapbio
= BIO_new(BIO_s_mem());
2649 CONF
*cnf
= NCONF_new(NULL
);
2655 BIO_puts(ldapbio
, ldap_tls_genconf
);
2656 if (NCONF_load_bio(cnf
, ldapbio
, &errline
) <= 0) {
2660 BIO_printf(bio_err
, "NCONF_load_bio failed\n");
2663 BIO_printf(bio_err
, "Error on line %ld\n", errline
);
2668 genstr
= NCONF_get_string(cnf
, "default", "asn1");
2669 if (genstr
== NULL
) {
2671 BIO_printf(bio_err
, "NCONF_get_string failed\n");
2674 atyp
= ASN1_generate_nconf(genstr
, cnf
);
2677 BIO_printf(bio_err
, "ASN1_generate_nconf failed\n");
2682 /* Send SSLRequest packet */
2683 BIO_write(sbio
, atyp
->value
.sequence
->data
,
2684 atyp
->value
.sequence
->length
);
2685 (void)BIO_flush(sbio
);
2686 ASN1_TYPE_free(atyp
);
2688 mbuf_len
= BIO_read(sbio
, mbuf
, BUFSIZZ
);
2690 BIO_printf(bio_err
, "BIO_read failed\n");
2693 result
= ldap_ExtendedResponse_parse(mbuf
, mbuf_len
);
2695 BIO_printf(bio_err
, "ldap_ExtendedResponse_parse failed\n");
2697 } else if (result
> 0) {
2698 BIO_printf(bio_err
, "STARTTLS failed, LDAP Result Code: %i\n",
2707 if (early_data_file
!= NULL
2708 && ((SSL_get0_session(con
) != NULL
2709 && SSL_SESSION_get_max_early_data(SSL_get0_session(con
)) > 0)
2711 && SSL_SESSION_get_max_early_data(psksess
) > 0))) {
2712 BIO
*edfile
= BIO_new_file(early_data_file
, "r");
2713 size_t readbytes
, writtenbytes
;
2716 if (edfile
== NULL
) {
2717 BIO_printf(bio_err
, "Cannot open early data file\n");
2722 if (!BIO_read_ex(edfile
, cbuf
, BUFSIZZ
, &readbytes
))
2725 while (!SSL_write_early_data(con
, cbuf
, readbytes
, &writtenbytes
)) {
2726 switch (SSL_get_error(con
, 0)) {
2727 case SSL_ERROR_WANT_WRITE
:
2728 case SSL_ERROR_WANT_ASYNC
:
2729 case SSL_ERROR_WANT_READ
:
2730 /* Just keep trying - busy waiting */
2733 BIO_printf(bio_err
, "Error writing early data\n");
2735 ERR_print_errors(bio_err
);
2748 if (SSL_is_dtls(con
) && DTLSv1_get_timeout(con
, &timeout
))
2749 timeoutp
= &timeout
;
2753 if (!SSL_is_init_finished(con
) && SSL_total_renegotiations(con
) == 0
2754 && SSL_get_key_update_type(con
) == SSL_KEY_UPDATE_NONE
) {
2763 BIO_puts(bio_err
, "CONNECTION ESTABLISHED\n");
2764 print_ssl_summary(con
);
2767 print_stuff(bio_c_out
, con
, full_log
);
2771 if (starttls_proto
) {
2772 BIO_write(bio_err
, mbuf
, mbuf_len
);
2773 /* We don't need to know any more */
2775 starttls_proto
= PROTO_OFF
;
2780 BIO_printf(bio_c_out
,
2781 "drop connection and then reconnect\n");
2782 do_ssl_shutdown(con
);
2783 SSL_set_connect_state(con
);
2784 BIO_closesocket(SSL_get_fd(con
));
2790 ssl_pending
= read_ssl
&& SSL_has_pending(con
);
2793 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
2796 * Note that select() returns when read _would not block_,
2797 * and EOF satisfies that. To avoid a CPU-hogging loop,
2798 * set the flag so we exit.
2800 if (read_tty
&& !at_eof
)
2801 openssl_fdset(fileno_stdin(), &readfds
);
2802 #if !defined(OPENSSL_SYS_VMS)
2804 openssl_fdset(fileno_stdout(), &writefds
);
2808 openssl_fdset(SSL_get_fd(con
), &readfds
);
2810 openssl_fdset(SSL_get_fd(con
), &writefds
);
2812 if (!tty_on
|| !write_tty
) {
2814 openssl_fdset(SSL_get_fd(con
), &readfds
);
2816 openssl_fdset(SSL_get_fd(con
), &writefds
);
2821 * Note: under VMS with SOCKETSHR the second parameter is
2822 * currently of type (int *) whereas under other systems it is
2823 * (void *) if you don't have a cast it will choke the compiler:
2824 * if you do have a cast then you can either go for (int *) or
2827 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2829 * Under Windows/DOS we make the assumption that we can always
2830 * write to the tty: therefore if we need to write to the tty we
2831 * just fall through. Otherwise we timeout the select every
2832 * second and see if there are any keypresses. Note: this is a
2833 * hack, in a proper Windows application we wouldn't do this.
2840 i
= select(width
, (void *)&readfds
, (void *)&writefds
,
2842 if (!i
&& (!has_stdin_waiting() || !read_tty
))
2845 i
= select(width
, (void *)&readfds
, (void *)&writefds
,
2849 i
= select(width
, (void *)&readfds
, (void *)&writefds
,
2853 BIO_printf(bio_err
, "bad select %d\n",
2854 get_last_socket_error());
2859 if (SSL_is_dtls(con
) && DTLSv1_handle_timeout(con
) > 0)
2860 BIO_printf(bio_err
, "TIMEOUT occurred\n");
2862 if (!ssl_pending
&& FD_ISSET(SSL_get_fd(con
), &writefds
)) {
2863 k
= SSL_write(con
, &(cbuf
[cbuf_off
]), (unsigned int)cbuf_len
);
2864 switch (SSL_get_error(con
, k
)) {
2865 case SSL_ERROR_NONE
:
2870 /* we have done a write(con,NULL,0); */
2871 if (cbuf_len
<= 0) {
2874 } else { /* if (cbuf_len > 0) */
2880 case SSL_ERROR_WANT_WRITE
:
2881 BIO_printf(bio_c_out
, "write W BLOCK\n");
2885 case SSL_ERROR_WANT_ASYNC
:
2886 BIO_printf(bio_c_out
, "write A BLOCK\n");
2887 wait_for_async(con
);
2891 case SSL_ERROR_WANT_READ
:
2892 BIO_printf(bio_c_out
, "write R BLOCK\n");
2897 case SSL_ERROR_WANT_X509_LOOKUP
:
2898 BIO_printf(bio_c_out
, "write X BLOCK\n");
2900 case SSL_ERROR_ZERO_RETURN
:
2901 if (cbuf_len
!= 0) {
2902 BIO_printf(bio_c_out
, "shutdown\n");
2911 case SSL_ERROR_SYSCALL
:
2912 if ((k
!= 0) || (cbuf_len
!= 0)) {
2913 BIO_printf(bio_err
, "write:errno=%d\n",
2914 get_last_socket_error());
2921 case SSL_ERROR_WANT_ASYNC_JOB
:
2922 /* This shouldn't ever happen in s_client - treat as an error */
2924 ERR_print_errors(bio_err
);
2928 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_VMS)
2929 /* Assume Windows/DOS/BeOS can always write */
2930 else if (!ssl_pending
&& write_tty
)
2932 else if (!ssl_pending
&& FD_ISSET(fileno_stdout(), &writefds
))
2935 #ifdef CHARSET_EBCDIC
2936 ascii2ebcdic(&(sbuf
[sbuf_off
]), &(sbuf
[sbuf_off
]), sbuf_len
);
2938 i
= raw_write_stdout(&(sbuf
[sbuf_off
]), sbuf_len
);
2941 BIO_printf(bio_c_out
, "DONE\n");
2948 if (sbuf_len
<= 0) {
2952 } else if (ssl_pending
|| FD_ISSET(SSL_get_fd(con
), &readfds
)) {
2957 SSL_renegotiate(con
);
2962 k
= SSL_read(con
, sbuf
, 1024 /* BUFSIZZ */ );
2964 switch (SSL_get_error(con
, k
)) {
2965 case SSL_ERROR_NONE
:
2974 case SSL_ERROR_WANT_ASYNC
:
2975 BIO_printf(bio_c_out
, "read A BLOCK\n");
2976 wait_for_async(con
);
2979 if ((read_tty
== 0) && (write_ssl
== 0))
2982 case SSL_ERROR_WANT_WRITE
:
2983 BIO_printf(bio_c_out
, "read W BLOCK\n");
2987 case SSL_ERROR_WANT_READ
:
2988 BIO_printf(bio_c_out
, "read R BLOCK\n");
2991 if ((read_tty
== 0) && (write_ssl
== 0))
2994 case SSL_ERROR_WANT_X509_LOOKUP
:
2995 BIO_printf(bio_c_out
, "read X BLOCK\n");
2997 case SSL_ERROR_SYSCALL
:
2998 ret
= get_last_socket_error();
3000 BIO_puts(bio_err
, "CONNECTION CLOSED BY SERVER\n");
3002 BIO_printf(bio_err
, "read:errno=%d\n", ret
);
3004 case SSL_ERROR_ZERO_RETURN
:
3005 BIO_printf(bio_c_out
, "closed\n");
3008 case SSL_ERROR_WANT_ASYNC_JOB
:
3009 /* This shouldn't ever happen in s_client. Treat as an error */
3011 ERR_print_errors(bio_err
);
3015 /* OPENSSL_SYS_MSDOS includes OPENSSL_SYS_WINDOWS */
3016 #if defined(OPENSSL_SYS_MSDOS)
3017 else if (has_stdin_waiting())
3019 else if (FD_ISSET(fileno_stdin(), &readfds
))
3025 i
= raw_read_stdin(cbuf
, BUFSIZZ
/ 2);
3027 /* both loops are skipped when i <= 0 */
3028 for (j
= 0; j
< i
; j
++)
3029 if (cbuf
[j
] == '\n')
3031 for (j
= i
- 1; j
>= 0; j
--) {
3032 cbuf
[j
+ lf_num
] = cbuf
[j
];
3033 if (cbuf
[j
] == '\n') {
3036 cbuf
[j
+ lf_num
] = '\r';
3039 assert(lf_num
== 0);
3041 i
= raw_read_stdin(cbuf
, BUFSIZZ
);
3042 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
3047 if ((!c_ign_eof
) && ((i
<= 0) || (cbuf
[0] == 'Q' && cmdletters
))) {
3048 BIO_printf(bio_err
, "DONE\n");
3053 if ((!c_ign_eof
) && (cbuf
[0] == 'R' && cmdletters
)) {
3054 BIO_printf(bio_err
, "RENEGOTIATING\n");
3055 SSL_renegotiate(con
);
3057 } else if (!c_ign_eof
&& (cbuf
[0] == 'K' || cbuf
[0] == 'k' )
3059 BIO_printf(bio_err
, "KEYUPDATE\n");
3061 cbuf
[0] == 'K' ? SSL_KEY_UPDATE_REQUESTED
3062 : SSL_KEY_UPDATE_NOT_REQUESTED
);
3067 #ifdef CHARSET_EBCDIC
3068 ebcdic2ascii(cbuf
, cbuf
, i
);
3080 print_stuff(bio_c_out
, con
, full_log
);
3081 do_ssl_shutdown(con
);
3084 * If we ended with an alert being sent, but still with data in the
3085 * network buffer to be read, then calling BIO_closesocket() will
3086 * result in a TCP-RST being sent. On some platforms (notably
3087 * Windows) then this will result in the peer immediately abandoning
3088 * the connection including any buffered alert data before it has
3089 * had a chance to be read. Shutting down the sending side first,
3090 * and then closing the socket sends TCP-FIN first followed by
3091 * TCP-RST. This seems to allow the peer to read the alert data.
3093 shutdown(SSL_get_fd(con
), 1); /* SHUT_WR */
3095 * We just said we have nothing else to say, but it doesn't mean that
3096 * the other side has nothing. It's even recommended to consume incoming
3097 * data. [In testing context this ensures that alerts are passed on...]
3100 timeout
.tv_usec
= 500000; /* some extreme round-trip */
3103 openssl_fdset(sock
, &readfds
);
3104 } while (select(sock
+ 1, &readfds
, NULL
, NULL
, &timeout
) > 0
3105 && BIO_read(sbio
, sbuf
, BUFSIZZ
) > 0);
3107 BIO_closesocket(SSL_get_fd(con
));
3111 print_stuff(bio_c_out
, con
, 1);
3114 SSL_SESSION_free(psksess
);
3115 #if !defined(OPENSSL_NO_NEXTPROTONEG)
3116 OPENSSL_free(next_proto
.data
);
3119 set_keylog_file(NULL
, NULL
);
3121 sk_X509_CRL_pop_free(crls
, X509_CRL_free
);
3123 sk_X509_pop_free(chain
, X509_free
);
3125 #ifndef OPENSSL_NO_SRP
3126 OPENSSL_free(srp_arg
.srppassin
);
3128 OPENSSL_free(connectstr
);
3129 OPENSSL_free(bindstr
);
3132 X509_VERIFY_PARAM_free(vpm
);
3133 ssl_excert_free(exc
);
3134 sk_OPENSSL_STRING_free(ssl_args
);
3135 sk_OPENSSL_STRING_free(dane_tlsa_rrset
);
3136 SSL_CONF_CTX_free(cctx
);
3137 OPENSSL_clear_free(cbuf
, BUFSIZZ
);
3138 OPENSSL_clear_free(sbuf
, BUFSIZZ
);
3139 OPENSSL_clear_free(mbuf
, BUFSIZZ
);
3140 clear_free(proxypass
);
3142 BIO_free(bio_c_out
);
3144 BIO_free(bio_c_msg
);
3149 static void print_stuff(BIO
*bio
, SSL
*s
, int full
)
3153 const SSL_CIPHER
*c
;
3154 EVP_PKEY
*public_key
;
3155 int i
, istls13
= (SSL_version(s
) == TLS1_3_VERSION
);
3157 #ifndef OPENSSL_NO_COMP
3158 const COMP_METHOD
*comp
, *expansion
;
3160 unsigned char *exportedkeymat
;
3161 #ifndef OPENSSL_NO_CT
3162 const SSL_CTX
*ctx
= SSL_get_SSL_CTX(s
);
3166 int got_a_chain
= 0;
3168 sk
= SSL_get_peer_cert_chain(s
);
3172 BIO_printf(bio
, "---\nCertificate chain\n");
3173 for (i
= 0; i
< sk_X509_num(sk
); i
++) {
3174 BIO_printf(bio
, "%2d s:", i
);
3175 X509_NAME_print_ex(bio
, X509_get_subject_name(sk_X509_value(sk
, i
)), 0, get_nameopt());
3176 BIO_puts(bio
, "\n");
3177 BIO_printf(bio
, " i:");
3178 X509_NAME_print_ex(bio
, X509_get_issuer_name(sk_X509_value(sk
, i
)), 0, get_nameopt());
3179 BIO_puts(bio
, "\n");
3180 public_key
= X509_get_pubkey(sk_X509_value(sk
, i
));
3181 if (public_key
!= NULL
) {
3182 BIO_printf(bio
, " a:PKEY: %s, %d (bit); sigalg: %s\n",
3183 OBJ_nid2sn(EVP_PKEY_base_id(public_key
)),
3184 EVP_PKEY_bits(public_key
),
3185 OBJ_nid2sn(X509_get_signature_nid(sk_X509_value(sk
, i
))));
3186 EVP_PKEY_free(public_key
);
3188 BIO_printf(bio
, " v:NotBefore: ");
3189 ASN1_TIME_print(bio
, X509_get_notBefore(sk_X509_value(sk
, i
)));
3190 BIO_printf(bio
, "; NotAfter: ");
3191 ASN1_TIME_print(bio
, X509_get_notAfter(sk_X509_value(sk
, i
)));
3192 BIO_puts(bio
, "\n");
3194 PEM_write_bio_X509(bio
, sk_X509_value(sk
, i
));
3198 BIO_printf(bio
, "---\n");
3199 peer
= SSL_get_peer_certificate(s
);
3201 BIO_printf(bio
, "Server certificate\n");
3203 /* Redundant if we showed the whole chain */
3204 if (!(c_showcerts
&& got_a_chain
))
3205 PEM_write_bio_X509(bio
, peer
);
3206 dump_cert_text(bio
, peer
);
3208 BIO_printf(bio
, "no peer certificate available\n");
3210 print_ca_names(bio
, s
);
3212 ssl_print_sigalgs(bio
, s
);
3213 ssl_print_tmp_key(bio
, s
);
3215 #ifndef OPENSSL_NO_CT
3217 * When the SSL session is anonymous, or resumed via an abbreviated
3218 * handshake, no SCTs are provided as part of the handshake. While in
3219 * a resumed session SCTs may be present in the session's certificate,
3220 * no callbacks are invoked to revalidate these, and in any case that
3221 * set of SCTs may be incomplete. Thus it makes little sense to
3222 * attempt to display SCTs from a resumed session's certificate, and of
3223 * course none are associated with an anonymous peer.
3225 if (peer
!= NULL
&& !SSL_session_reused(s
) && SSL_ct_is_enabled(s
)) {
3226 const STACK_OF(SCT
) *scts
= SSL_get0_peer_scts(s
);
3227 int sct_count
= scts
!= NULL
? sk_SCT_num(scts
) : 0;
3229 BIO_printf(bio
, "---\nSCTs present (%i)\n", sct_count
);
3230 if (sct_count
> 0) {
3231 const CTLOG_STORE
*log_store
= SSL_CTX_get0_ctlog_store(ctx
);
3233 BIO_printf(bio
, "---\n");
3234 for (i
= 0; i
< sct_count
; ++i
) {
3235 SCT
*sct
= sk_SCT_value(scts
, i
);
3237 BIO_printf(bio
, "SCT validation status: %s\n",
3238 SCT_validation_status_string(sct
));
3239 SCT_print(sct
, bio
, 0, log_store
);
3240 if (i
< sct_count
- 1)
3241 BIO_printf(bio
, "\n---\n");
3243 BIO_printf(bio
, "\n");
3249 "---\nSSL handshake has read %ju bytes "
3250 "and written %ju bytes\n",
3251 BIO_number_read(SSL_get_rbio(s
)),
3252 BIO_number_written(SSL_get_wbio(s
)));
3254 print_verify_detail(s
, bio
);
3255 BIO_printf(bio
, (SSL_session_reused(s
) ? "---\nReused, " : "---\nNew, "));
3256 c
= SSL_get_current_cipher(s
);
3257 BIO_printf(bio
, "%s, Cipher is %s\n",
3258 SSL_CIPHER_get_version(c
), SSL_CIPHER_get_name(c
));
3262 pktmp
= X509_get0_pubkey(peer
);
3263 BIO_printf(bio
, "Server public key is %d bit\n",
3264 EVP_PKEY_bits(pktmp
));
3266 BIO_printf(bio
, "Secure Renegotiation IS%s supported\n",
3267 SSL_get_secure_renegotiation_support(s
) ? "" : " NOT");
3268 #ifndef OPENSSL_NO_COMP
3269 comp
= SSL_get_current_compression(s
);
3270 expansion
= SSL_get_current_expansion(s
);
3271 BIO_printf(bio
, "Compression: %s\n",
3272 comp
? SSL_COMP_get_name(comp
) : "NONE");
3273 BIO_printf(bio
, "Expansion: %s\n",
3274 expansion
? SSL_COMP_get_name(expansion
) : "NONE");
3276 #ifndef OPENSSL_NO_KTLS
3277 if (BIO_get_ktls_send(SSL_get_wbio(s
)))
3278 BIO_printf(bio_err
, "Using Kernel TLS for sending\n");
3279 if (BIO_get_ktls_recv(SSL_get_rbio(s
)))
3280 BIO_printf(bio_err
, "Using Kernel TLS for receiving\n");
3283 if (OSSL_TRACE_ENABLED(TLS
)) {
3284 /* Print out local port of connection: useful for debugging */
3286 union BIO_sock_info_u info
;
3288 sock
= SSL_get_fd(s
);
3289 if ((info
.addr
= BIO_ADDR_new()) != NULL
3290 && BIO_sock_info(sock
, BIO_SOCK_INFO_ADDRESS
, &info
)) {
3291 BIO_printf(bio_c_out
, "LOCAL PORT is %u\n",
3292 ntohs(BIO_ADDR_rawport(info
.addr
)));
3294 BIO_ADDR_free(info
.addr
);
3297 #if !defined(OPENSSL_NO_NEXTPROTONEG)
3298 if (next_proto
.status
!= -1) {
3299 const unsigned char *proto
;
3300 unsigned int proto_len
;
3301 SSL_get0_next_proto_negotiated(s
, &proto
, &proto_len
);
3302 BIO_printf(bio
, "Next protocol: (%d) ", next_proto
.status
);
3303 BIO_write(bio
, proto
, proto_len
);
3304 BIO_write(bio
, "\n", 1);
3308 const unsigned char *proto
;
3309 unsigned int proto_len
;
3310 SSL_get0_alpn_selected(s
, &proto
, &proto_len
);
3311 if (proto_len
> 0) {
3312 BIO_printf(bio
, "ALPN protocol: ");
3313 BIO_write(bio
, proto
, proto_len
);
3314 BIO_write(bio
, "\n", 1);
3316 BIO_printf(bio
, "No ALPN negotiated\n");
3319 #ifndef OPENSSL_NO_SRTP
3321 SRTP_PROTECTION_PROFILE
*srtp_profile
=
3322 SSL_get_selected_srtp_profile(s
);
3325 BIO_printf(bio
, "SRTP Extension negotiated, profile=%s\n",
3326 srtp_profile
->name
);
3331 switch (SSL_get_early_data_status(s
)) {
3332 case SSL_EARLY_DATA_NOT_SENT
:
3333 BIO_printf(bio
, "Early data was not sent\n");
3336 case SSL_EARLY_DATA_REJECTED
:
3337 BIO_printf(bio
, "Early data was rejected\n");
3340 case SSL_EARLY_DATA_ACCEPTED
:
3341 BIO_printf(bio
, "Early data was accepted\n");
3347 * We also print the verify results when we dump session information,
3348 * but in TLSv1.3 we may not get that right away (or at all) depending
3349 * on when we get a NewSessionTicket. Therefore we print it now as well.
3351 verify_result
= SSL_get_verify_result(s
);
3352 BIO_printf(bio
, "Verify return code: %ld (%s)\n", verify_result
,
3353 X509_verify_cert_error_string(verify_result
));
3355 /* In TLSv1.3 we do this on arrival of a NewSessionTicket */
3356 SSL_SESSION_print(bio
, SSL_get_session(s
));
3359 if (SSL_get_session(s
) != NULL
&& keymatexportlabel
!= NULL
) {
3360 BIO_printf(bio
, "Keying material exporter:\n");
3361 BIO_printf(bio
, " Label: '%s'\n", keymatexportlabel
);
3362 BIO_printf(bio
, " Length: %i bytes\n", keymatexportlen
);
3363 exportedkeymat
= app_malloc(keymatexportlen
, "export key");
3364 if (!SSL_export_keying_material(s
, exportedkeymat
,
3367 strlen(keymatexportlabel
),
3369 BIO_printf(bio
, " Error\n");
3371 BIO_printf(bio
, " Keying material: ");
3372 for (i
= 0; i
< keymatexportlen
; i
++)
3373 BIO_printf(bio
, "%02X", exportedkeymat
[i
]);
3374 BIO_printf(bio
, "\n");
3376 OPENSSL_free(exportedkeymat
);
3378 BIO_printf(bio
, "---\n");
3380 /* flush, or debugging output gets mixed with http response */
3381 (void)BIO_flush(bio
);
3384 # ifndef OPENSSL_NO_OCSP
3385 static int ocsp_resp_cb(SSL
*s
, void *arg
)
3387 const unsigned char *p
;
3390 len
= SSL_get_tlsext_status_ocsp_resp(s
, &p
);
3391 BIO_puts(arg
, "OCSP response: ");
3393 BIO_puts(arg
, "no response sent\n");
3396 rsp
= d2i_OCSP_RESPONSE(NULL
, &p
, len
);
3398 BIO_puts(arg
, "response parse error\n");
3399 BIO_dump_indent(arg
, (char *)p
, len
, 4);
3402 BIO_puts(arg
, "\n======================================\n");
3403 OCSP_RESPONSE_print(arg
, rsp
, 0);
3404 BIO_puts(arg
, "======================================\n");
3405 OCSP_RESPONSE_free(rsp
);
3410 static int ldap_ExtendedResponse_parse(const char *buf
, long rem
)
3412 const unsigned char *cur
, *end
;
3414 int tag
, xclass
, inf
, ret
= -1;
3416 cur
= (const unsigned char *)buf
;
3422 * LDAPMessage ::= SEQUENCE {
3423 * messageID MessageID,
3424 * protocolOp CHOICE {
3426 * extendedResp ExtendedResponse,
3428 * controls [0] Controls OPTIONAL }
3430 * ExtendedResponse ::= [APPLICATION 24] SEQUENCE {
3431 * COMPONENTS OF LDAPResult,
3432 * responseName [10] LDAPOID OPTIONAL,
3433 * responseValue [11] OCTET STRING OPTIONAL }
3435 * LDAPResult ::= SEQUENCE {
3436 * resultCode ENUMERATED {
3442 * diagnosticMessage LDAPString,
3443 * referral [3] Referral OPTIONAL }
3447 inf
= ASN1_get_object(&cur
, &len
, &tag
, &xclass
, rem
);
3448 if (inf
!= V_ASN1_CONSTRUCTED
|| tag
!= V_ASN1_SEQUENCE
||
3449 (rem
= end
- cur
, len
> rem
)) {
3450 BIO_printf(bio_err
, "Unexpected LDAP response\n");
3454 rem
= len
; /* ensure that we don't overstep the SEQUENCE */
3456 /* pull MessageID */
3457 inf
= ASN1_get_object(&cur
, &len
, &tag
, &xclass
, rem
);
3458 if (inf
!= V_ASN1_UNIVERSAL
|| tag
!= V_ASN1_INTEGER
||
3459 (rem
= end
- cur
, len
> rem
)) {
3460 BIO_printf(bio_err
, "No MessageID\n");
3464 cur
+= len
; /* shall we check for MessageId match or just skip? */
3466 /* pull [APPLICATION 24] */
3468 inf
= ASN1_get_object(&cur
, &len
, &tag
, &xclass
, rem
);
3469 if (inf
!= V_ASN1_CONSTRUCTED
|| xclass
!= V_ASN1_APPLICATION
||
3471 BIO_printf(bio_err
, "Not ExtendedResponse\n");
3475 /* pull resultCode */
3477 inf
= ASN1_get_object(&cur
, &len
, &tag
, &xclass
, rem
);
3478 if (inf
!= V_ASN1_UNIVERSAL
|| tag
!= V_ASN1_ENUMERATED
|| len
== 0 ||
3479 (rem
= end
- cur
, len
> rem
)) {
3480 BIO_printf(bio_err
, "Not LDAPResult\n");
3484 /* len should always be one, but just in case... */
3485 for (ret
= 0, inf
= 0; inf
< len
; inf
++) {
3489 /* There is more data, but we don't care... */
3495 * Host dNS Name verifier: used for checking that the hostname is in dNS format
3496 * before setting it as SNI
3498 static int is_dNS_name(const char *host
)
3500 const size_t MAX_LABEL_LENGTH
= 63;
3503 size_t length
= strlen(host
);
3504 size_t label_length
= 0;
3505 int all_numeric
= 1;
3508 * Deviation from strict DNS name syntax, also check names with '_'
3509 * Check DNS name syntax, any '-' or '.' must be internal,
3510 * and on either side of each '.' we can't have a '-' or '.'.
3512 * If the name has just one label, we don't consider it a DNS name.
3514 for (i
= 0; i
< length
&& label_length
< MAX_LABEL_LENGTH
; ++i
) {
3517 if ((c
>= 'a' && c
<= 'z')
3518 || (c
>= 'A' && c
<= 'Z')
3525 if (c
>= '0' && c
<= '9') {
3530 /* Dot and hyphen cannot be first or last. */
3531 if (i
> 0 && i
< length
- 1) {
3537 * Next to a dot the preceding and following characters must not be
3538 * another dot or a hyphen. Otherwise, record that the name is
3539 * plausible, since it has two or more labels.
3542 && host
[i
+ 1] != '.'
3543 && host
[i
- 1] != '-'
3544 && host
[i
+ 1] != '-') {
3554 /* dNS name must not be all numeric and labels must be shorter than 64 characters. */
3555 isdnsname
&= !all_numeric
&& !(label_length
== MAX_LABEL_LENGTH
);
3559 #endif /* OPENSSL_NO_SOCK */