2 * Copyright 1995-2019 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 BUFSIZZ 1024*8
61 #define S_CLIENT_IRC_READ_TIMEOUT 8
64 static int c_debug
= 0;
65 static int c_showcerts
= 0;
66 static char *keymatexportlabel
= NULL
;
67 static int keymatexportlen
= 20;
68 static BIO
*bio_c_out
= NULL
;
69 static int c_quiet
= 0;
70 static char *sess_out
= NULL
;
71 static SSL_SESSION
*psksess
= NULL
;
73 static void print_stuff(BIO
*berr
, SSL
*con
, int full
);
74 #ifndef OPENSSL_NO_OCSP
75 static int ocsp_resp_cb(SSL
*s
, void *arg
);
77 static int ldap_ExtendedResponse_parse(const char *buf
, long rem
);
78 static int is_dNS_name(const char *host
);
80 static int saved_errno
;
82 static void save_errno(void)
88 static int restore_errno(void)
95 static void do_ssl_shutdown(SSL
*ssl
)
100 /* We only do unidirectional shutdown */
101 ret
= SSL_shutdown(ssl
);
103 switch (SSL_get_error(ssl
, ret
)) {
104 case SSL_ERROR_WANT_READ
:
105 case SSL_ERROR_WANT_WRITE
:
106 case SSL_ERROR_WANT_ASYNC
:
107 case SSL_ERROR_WANT_ASYNC_JOB
:
108 /* We just do busy waiting. Nothing clever */
116 /* Default PSK identity and key */
117 static char *psk_identity
= "Client_identity";
119 #ifndef OPENSSL_NO_PSK
120 static unsigned int psk_client_cb(SSL
*ssl
, const char *hint
, char *identity
,
121 unsigned int max_identity_len
,
123 unsigned int max_psk_len
)
130 BIO_printf(bio_c_out
, "psk_client_cb\n");
132 /* no ServerKeyExchange message */
134 BIO_printf(bio_c_out
,
135 "NULL received PSK identity hint, continuing anyway\n");
136 } else if (c_debug
) {
137 BIO_printf(bio_c_out
, "Received PSK identity hint '%s'\n", hint
);
141 * lookup PSK identity and PSK key based on the given identity hint here
143 ret
= BIO_snprintf(identity
, max_identity_len
, "%s", psk_identity
);
144 if (ret
< 0 || (unsigned int)ret
> max_identity_len
)
147 BIO_printf(bio_c_out
, "created identity '%s' len=%d\n", identity
,
150 /* convert the PSK key to binary */
151 key
= OPENSSL_hexstr2buf(psk_key
, &key_len
);
153 BIO_printf(bio_err
, "Could not convert PSK key '%s' to buffer\n",
157 if (max_psk_len
> INT_MAX
|| key_len
> (long)max_psk_len
) {
159 "psk buffer of callback is too small (%d) for key (%ld)\n",
160 max_psk_len
, key_len
);
165 memcpy(psk
, key
, key_len
);
169 BIO_printf(bio_c_out
, "created PSK len=%ld\n", key_len
);
174 BIO_printf(bio_err
, "Error in PSK client callback\n");
179 const unsigned char tls13_aes128gcmsha256_id
[] = { 0x13, 0x01 };
180 const unsigned char tls13_aes256gcmsha384_id
[] = { 0x13, 0x02 };
182 static int psk_use_session_cb(SSL
*s
, const EVP_MD
*md
,
183 const unsigned char **id
, size_t *idlen
,
186 SSL_SESSION
*usesess
= NULL
;
187 const SSL_CIPHER
*cipher
= NULL
;
189 if (psksess
!= NULL
) {
190 SSL_SESSION_up_ref(psksess
);
194 unsigned char *key
= OPENSSL_hexstr2buf(psk_key
, &key_len
);
197 BIO_printf(bio_err
, "Could not convert PSK key '%s' to buffer\n",
202 /* We default to SHA-256 */
203 cipher
= SSL_CIPHER_find(s
, tls13_aes128gcmsha256_id
);
204 if (cipher
== NULL
) {
205 BIO_printf(bio_err
, "Error finding suitable ciphersuite\n");
210 usesess
= SSL_SESSION_new();
212 || !SSL_SESSION_set1_master_key(usesess
, key
, key_len
)
213 || !SSL_SESSION_set_cipher(usesess
, cipher
)
214 || !SSL_SESSION_set_protocol_version(usesess
, TLS1_3_VERSION
)) {
221 cipher
= SSL_SESSION_get0_cipher(usesess
);
225 if (md
!= NULL
&& SSL_CIPHER_get_handshake_digest(cipher
) != md
) {
226 /* PSK not usable, ignore it */
230 SSL_SESSION_free(usesess
);
233 *id
= (unsigned char *)psk_identity
;
234 *idlen
= strlen(psk_identity
);
240 SSL_SESSION_free(usesess
);
244 /* This is a context that we pass to callbacks */
245 typedef struct tlsextctx_st
{
250 static int ssl_servername_cb(SSL
*s
, int *ad
, void *arg
)
252 tlsextctx
*p
= (tlsextctx
*) arg
;
253 const char *hn
= SSL_get_servername(s
, TLSEXT_NAMETYPE_host_name
);
254 if (SSL_get_servername_type(s
) != -1)
255 p
->ack
= !SSL_session_reused(s
) && hn
!= NULL
;
257 BIO_printf(bio_err
, "Can't use SSL_get_servername\n");
259 return SSL_TLSEXT_ERR_OK
;
262 #ifndef OPENSSL_NO_SRP
264 /* This is a context that we pass to all callbacks */
265 typedef struct srp_arg_st
{
268 int msg
; /* copy from c_msg */
269 int debug
; /* copy from c_debug */
270 int amp
; /* allow more groups */
271 int strength
; /* minimal size for N */
274 static int srp_Verify_N_and_g(const BIGNUM
*N
, const BIGNUM
*g
)
276 BN_CTX
*bn_ctx
= BN_CTX_new();
277 BIGNUM
*p
= BN_new();
278 BIGNUM
*r
= BN_new();
280 g
!= NULL
&& N
!= NULL
&& bn_ctx
!= NULL
&& BN_is_odd(N
) &&
281 BN_check_prime(N
, bn_ctx
, NULL
) == 1 &&
282 p
!= NULL
&& BN_rshift1(p
, N
) &&
284 BN_check_prime(p
, bn_ctx
, NULL
) == 1 &&
286 /* verify g^((N-1)/2) == -1 (mod N) */
287 BN_mod_exp(r
, g
, p
, N
, bn_ctx
) &&
288 BN_add_word(r
, 1) && BN_cmp(r
, N
) == 0;
297 * This callback is used here for two purposes:
298 * - extended debugging
299 * - making some primality tests for unknown groups
300 * The callback is only called for a non default group.
302 * An application does not need the call back at all if
303 * only the standard groups are used. In real life situations,
304 * client and server already share well known groups,
305 * thus there is no need to verify them.
306 * Furthermore, in case that a server actually proposes a group that
307 * is not one of those defined in RFC 5054, it is more appropriate
308 * to add the group to a static list and then compare since
309 * primality tests are rather cpu consuming.
312 static int ssl_srp_verify_param_cb(SSL
*s
, void *arg
)
314 SRP_ARG
*srp_arg
= (SRP_ARG
*)arg
;
315 BIGNUM
*N
= NULL
, *g
= NULL
;
317 if (((N
= SSL_get_srp_N(s
)) == NULL
) || ((g
= SSL_get_srp_g(s
)) == NULL
))
319 if (srp_arg
->debug
|| srp_arg
->msg
|| srp_arg
->amp
== 1) {
320 BIO_printf(bio_err
, "SRP parameters:\n");
321 BIO_printf(bio_err
, "\tN=");
322 BN_print(bio_err
, N
);
323 BIO_printf(bio_err
, "\n\tg=");
324 BN_print(bio_err
, g
);
325 BIO_printf(bio_err
, "\n");
328 if (SRP_check_known_gN_param(g
, N
))
331 if (srp_arg
->amp
== 1) {
334 "SRP param N and g are not known params, going to check deeper.\n");
337 * The srp_moregroups is a real debugging feature. Implementors
338 * should rather add the value to the known ones. The minimal size
339 * has already been tested.
341 if (BN_num_bits(g
) <= BN_BITS
&& srp_Verify_N_and_g(N
, g
))
344 BIO_printf(bio_err
, "SRP param N and g rejected.\n");
348 # define PWD_STRLEN 1024
350 static char *ssl_give_srp_client_pwd_cb(SSL
*s
, void *arg
)
352 SRP_ARG
*srp_arg
= (SRP_ARG
*)arg
;
353 char *pass
= app_malloc(PWD_STRLEN
+ 1, "SRP password buffer");
357 cb_tmp
.password
= (char *)srp_arg
->srppassin
;
358 cb_tmp
.prompt_info
= "SRP user";
359 if ((l
= password_callback(pass
, PWD_STRLEN
, 0, &cb_tmp
)) < 0) {
360 BIO_printf(bio_err
, "Can't read Password\n");
371 #ifndef OPENSSL_NO_NEXTPROTONEG
372 /* This the context that we pass to next_proto_cb */
373 typedef struct tlsextnextprotoctx_st
{
377 } tlsextnextprotoctx
;
379 static tlsextnextprotoctx next_proto
;
381 static int next_proto_cb(SSL
*s
, unsigned char **out
, unsigned char *outlen
,
382 const unsigned char *in
, unsigned int inlen
,
385 tlsextnextprotoctx
*ctx
= arg
;
388 /* We can assume that |in| is syntactically valid. */
390 BIO_printf(bio_c_out
, "Protocols advertised by server: ");
391 for (i
= 0; i
< inlen
;) {
393 BIO_write(bio_c_out
, ", ", 2);
394 BIO_write(bio_c_out
, &in
[i
+ 1], in
[i
]);
397 BIO_write(bio_c_out
, "\n", 1);
401 SSL_select_next_proto(out
, outlen
, in
, inlen
, ctx
->data
, ctx
->len
);
402 return SSL_TLSEXT_ERR_OK
;
404 #endif /* ndef OPENSSL_NO_NEXTPROTONEG */
406 static int serverinfo_cli_parse_cb(SSL
*s
, unsigned int ext_type
,
407 const unsigned char *in
, size_t inlen
,
411 unsigned char ext_buf
[4 + 65536];
413 /* Reconstruct the type/len fields prior to extension data */
414 inlen
&= 0xffff; /* for formal memcmpy correctness */
415 ext_buf
[0] = (unsigned char)(ext_type
>> 8);
416 ext_buf
[1] = (unsigned char)(ext_type
);
417 ext_buf
[2] = (unsigned char)(inlen
>> 8);
418 ext_buf
[3] = (unsigned char)(inlen
);
419 memcpy(ext_buf
+ 4, in
, inlen
);
421 BIO_snprintf(pem_name
, sizeof(pem_name
), "SERVERINFO FOR EXTENSION %d",
423 PEM_write_bio(bio_c_out
, pem_name
, "", ext_buf
, 4 + inlen
);
428 * Hex decoder that tolerates optional whitespace. Returns number of bytes
429 * produced, advances inptr to end of input string.
431 static ossl_ssize_t
hexdecode(const char **inptr
, void *result
)
433 unsigned char **out
= (unsigned char **)result
;
434 const char *in
= *inptr
;
435 unsigned char *ret
= app_malloc(strlen(in
) / 2, "hexdecode");
436 unsigned char *cp
= ret
;
443 for (byte
= 0; *in
; ++in
) {
446 if (isspace(_UC(*in
)))
448 x
= OPENSSL_hexchar2int(*in
);
454 if ((nibble
^= 1) == 0) {
467 return cp
- (*out
= ret
);
471 * Decode unsigned 0..255, returns 1 on success, <= 0 on failure. Advances
472 * inptr to next field skipping leading whitespace.
474 static ossl_ssize_t
checked_uint8(const char **inptr
, void *out
)
476 uint8_t *result
= (uint8_t *)out
;
477 const char *in
= *inptr
;
483 v
= strtol(in
, &endp
, 10);
486 if (((v
== LONG_MIN
|| v
== LONG_MAX
) && e
== ERANGE
) ||
487 endp
== in
|| !isspace(_UC(*endp
)) ||
488 v
!= (*result
= (uint8_t) v
)) {
491 for (in
= endp
; isspace(_UC(*in
)); ++in
)
501 ossl_ssize_t (*parser
)(const char **, void *);
504 static int tlsa_import_rr(SSL
*con
, const char *rrdata
)
506 /* Not necessary to re-init these values; the "parsers" do that. */
507 static uint8_t usage
;
508 static uint8_t selector
;
509 static uint8_t mtype
;
510 static unsigned char *data
;
511 static struct tlsa_field tlsa_fields
[] = {
512 { &usage
, "usage", checked_uint8
},
513 { &selector
, "selector", checked_uint8
},
514 { &mtype
, "mtype", checked_uint8
},
515 { &data
, "data", hexdecode
},
518 struct tlsa_field
*f
;
520 const char *cp
= rrdata
;
521 ossl_ssize_t len
= 0;
523 for (f
= tlsa_fields
; f
->var
; ++f
) {
524 /* Returns number of bytes produced, advances cp to next field */
525 if ((len
= f
->parser(&cp
, f
->var
)) <= 0) {
526 BIO_printf(bio_err
, "%s: warning: bad TLSA %s field in: %s\n",
527 prog
, f
->name
, rrdata
);
531 /* The data field is last, so len is its length */
532 ret
= SSL_dane_tlsa_add(con
, usage
, selector
, mtype
, data
, len
);
536 ERR_print_errors(bio_err
);
537 BIO_printf(bio_err
, "%s: warning: unusable TLSA rrdata: %s\n",
542 ERR_print_errors(bio_err
);
543 BIO_printf(bio_err
, "%s: warning: error loading TLSA rrdata: %s\n",
550 static int tlsa_import_rrset(SSL
*con
, STACK_OF(OPENSSL_STRING
) *rrset
)
552 int num
= sk_OPENSSL_STRING_num(rrset
);
556 for (i
= 0; i
< num
; ++i
) {
557 char *rrdata
= sk_OPENSSL_STRING_value(rrset
, i
);
558 if (tlsa_import_rr(con
, rrdata
) > 0)
564 typedef enum OPTION_choice
{
565 OPT_ERR
= -1, OPT_EOF
= 0, OPT_HELP
,
566 OPT_4
, OPT_6
, OPT_HOST
, OPT_PORT
, OPT_CONNECT
, OPT_BIND
, OPT_UNIX
,
567 OPT_XMPPHOST
, OPT_VERIFY
, OPT_NAMEOPT
,
568 OPT_CERT
, OPT_CRL
, OPT_CRL_DOWNLOAD
, OPT_SESS_OUT
, OPT_SESS_IN
,
569 OPT_CERTFORM
, OPT_CRLFORM
, OPT_VERIFY_RET_ERROR
, OPT_VERIFY_QUIET
,
570 OPT_BRIEF
, OPT_PREXIT
, OPT_CRLF
, OPT_QUIET
, OPT_NBIO
,
571 OPT_SSL_CLIENT_ENGINE
, OPT_IGN_EOF
, OPT_NO_IGN_EOF
,
572 OPT_DEBUG
, OPT_TLSEXTDEBUG
, OPT_STATUS
, OPT_WDEBUG
,
573 OPT_MSG
, OPT_MSGFILE
, OPT_ENGINE
, OPT_TRACE
, OPT_SECURITY_DEBUG
,
574 OPT_SECURITY_DEBUG_VERBOSE
, OPT_SHOWCERTS
, OPT_NBIO_TEST
, OPT_STATE
,
575 OPT_PSK_IDENTITY
, OPT_PSK
, OPT_PSK_SESS
,
576 #ifndef OPENSSL_NO_SRP
577 OPT_SRPUSER
, OPT_SRPPASS
, OPT_SRP_STRENGTH
, OPT_SRP_LATEUSER
,
580 OPT_SSL3
, OPT_SSL_CONFIG
,
581 OPT_TLS1_3
, OPT_TLS1_2
, OPT_TLS1_1
, OPT_TLS1
, OPT_DTLS
, OPT_DTLS1
,
582 OPT_DTLS1_2
, OPT_SCTP
, OPT_TIMEOUT
, OPT_MTU
, OPT_KEYFORM
, OPT_PASS
,
583 OPT_CERT_CHAIN
, OPT_KEY
, OPT_RECONNECT
, OPT_BUILD_CHAIN
,
584 OPT_NEXTPROTONEG
, OPT_ALPN
,
585 OPT_CAPATH
, OPT_NOCAPATH
, OPT_CHAINCAPATH
, OPT_VERIFYCAPATH
,
586 OPT_CAFILE
, OPT_NOCAFILE
, OPT_CHAINCAFILE
, OPT_VERIFYCAFILE
,
587 OPT_CASTORE
, OPT_NOCASTORE
, OPT_CHAINCASTORE
, OPT_VERIFYCASTORE
,
588 OPT_SERVERINFO
, OPT_STARTTLS
, OPT_SERVERNAME
, OPT_NOSERVERNAME
, OPT_ASYNC
,
589 OPT_USE_SRTP
, OPT_KEYMATEXPORT
, OPT_KEYMATEXPORTLEN
, OPT_PROTOHOST
,
590 OPT_MAXFRAGLEN
, OPT_MAX_SEND_FRAG
, OPT_SPLIT_SEND_FRAG
, OPT_MAX_PIPELINES
,
591 OPT_READ_BUF
, OPT_KEYLOG_FILE
, OPT_EARLY_DATA
, OPT_REQCAFILE
,
595 OPT_FALLBACKSCSV
, OPT_NOCMDS
, OPT_PROXY
, OPT_PROXY_USER
, OPT_PROXY_PASS
,
596 OPT_DANE_TLSA_DOMAIN
,
597 #ifndef OPENSSL_NO_CT
598 OPT_CT
, OPT_NOCT
, OPT_CTLOG_FILE
,
600 OPT_DANE_TLSA_RRDATA
, OPT_DANE_EE_NO_NAME
,
603 OPT_R_ENUM
, OPT_PROV_ENUM
606 const OPTIONS s_client_options
[] = {
607 {OPT_HELP_STR
, 1, '-', "Usage: %s [options] [host:port]\n"},
609 OPT_SECTION("General"),
610 {"help", OPT_HELP
, '-', "Display this summary"},
611 #ifndef OPENSSL_NO_ENGINE
612 {"engine", OPT_ENGINE
, 's', "Use engine, possibly a hardware device"},
613 {"ssl_client_engine", OPT_SSL_CLIENT_ENGINE
, 's',
614 "Specify engine to be used for client certificate operations"},
616 {"ssl_config", OPT_SSL_CONFIG
, 's', "Use specified section for SSL_CTX configuration"},
617 #ifndef OPENSSL_NO_CT
618 {"ct", OPT_CT
, '-', "Request and parse SCTs (also enables OCSP stapling)"},
619 {"noct", OPT_NOCT
, '-', "Do not request or parse SCTs (default)"},
620 {"ctlogfile", OPT_CTLOG_FILE
, '<', "CT log list CONF file"},
623 OPT_SECTION("Network"),
624 {"host", OPT_HOST
, 's', "Use -connect instead"},
625 {"port", OPT_PORT
, 'p', "Use -connect instead"},
626 {"connect", OPT_CONNECT
, 's',
627 "TCP/IP where to connect (default is :" PORT
")"},
628 {"bind", OPT_BIND
, 's', "bind local address for connection"},
629 {"proxy", OPT_PROXY
, 's',
630 "Connect to via specified proxy to the real server"},
631 {"proxy_user", OPT_PROXY_USER
, 's', "UserID for proxy authentication"},
632 {"proxy_pass", OPT_PROXY_PASS
, 's', "Proxy authentication password source"},
634 {"unix", OPT_UNIX
, 's', "Connect over the specified Unix-domain socket"},
636 {"4", OPT_4
, '-', "Use IPv4 only"},
638 {"6", OPT_6
, '-', "Use IPv6 only"},
640 {"maxfraglen", OPT_MAXFRAGLEN
, 'p',
641 "Enable Maximum Fragment Length Negotiation (len values: 512, 1024, 2048 and 4096)"},
642 {"max_send_frag", OPT_MAX_SEND_FRAG
, 'p', "Maximum Size of send frames "},
643 {"split_send_frag", OPT_SPLIT_SEND_FRAG
, 'p',
644 "Size used to split data for encrypt pipelines"},
645 {"max_pipelines", OPT_MAX_PIPELINES
, 'p',
646 "Maximum number of encrypt/decrypt pipelines to be used"},
647 {"read_buf", OPT_READ_BUF
, 'p',
648 "Default read buffer size to be used for connections"},
649 {"fallback_scsv", OPT_FALLBACKSCSV
, '-', "Send the fallback SCSV"},
651 OPT_SECTION("Identity"),
652 {"verify", OPT_VERIFY
, 'p', "Turn on peer certificate verification"},
653 {"cert", OPT_CERT
, '<', "Certificate file to use, PEM format assumed"},
654 {"certform", OPT_CERTFORM
, 'F',
655 "Certificate format (PEM or DER) PEM default"},
656 {"nameopt", OPT_NAMEOPT
, 's', "Various certificate name options"},
657 {"key", OPT_KEY
, 's', "Private key file to use, if not in -cert file"},
658 {"keyform", OPT_KEYFORM
, 'E', "Key format (PEM, DER or engine) PEM default"},
659 {"pass", OPT_PASS
, 's', "Private key file pass phrase source"},
660 {"CApath", OPT_CAPATH
, '/', "PEM format directory of CA's"},
661 {"CAfile", OPT_CAFILE
, '<', "PEM format file of CA's"},
662 {"CAstore", OPT_CASTORE
, ':', "URI to store of CA's"},
663 {"no-CAfile", OPT_NOCAFILE
, '-',
664 "Do not load the default certificates file"},
665 {"no-CApath", OPT_NOCAPATH
, '-',
666 "Do not load certificates from the default certificates directory"},
667 {"no-CAstore", OPT_NOCASTORE
, '-',
668 "Do not load certificates from the default certificates store"},
669 {"requestCAfile", OPT_REQCAFILE
, '<',
670 "PEM format file of CA names to send to the server"},
671 {"dane_tlsa_domain", OPT_DANE_TLSA_DOMAIN
, 's', "DANE TLSA base domain"},
672 {"dane_tlsa_rrdata", OPT_DANE_TLSA_RRDATA
, 's',
673 "DANE TLSA rrdata presentation form"},
674 {"dane_ee_no_namechecks", OPT_DANE_EE_NO_NAME
, '-',
675 "Disable name checks when matching DANE-EE(3) TLSA records"},
676 {"psk_identity", OPT_PSK_IDENTITY
, 's', "PSK identity"},
677 {"psk", OPT_PSK
, 's', "PSK in hex (without 0x)"},
678 {"psk_session", OPT_PSK_SESS
, '<', "File to read PSK SSL session from"},
679 {"name", OPT_PROTOHOST
, 's',
680 "Hostname to use for \"-starttls lmtp\", \"-starttls smtp\" or \"-starttls xmpp[-server]\""},
682 OPT_SECTION("Session"),
683 {"reconnect", OPT_RECONNECT
, '-',
684 "Drop and re-make the connection with the same Session-ID"},
685 {"sess_out", OPT_SESS_OUT
, '>', "File to write SSL session to"},
686 {"sess_in", OPT_SESS_IN
, '<', "File to read SSL session from"},
688 OPT_SECTION("Input/Output"),
689 {"crlf", OPT_CRLF
, '-', "Convert LF from terminal into CRLF"},
690 {"quiet", OPT_QUIET
, '-', "No s_client output"},
691 {"ign_eof", OPT_IGN_EOF
, '-', "Ignore input eof (default when -quiet)"},
692 {"no_ign_eof", OPT_NO_IGN_EOF
, '-', "Don't ignore input eof"},
693 {"starttls", OPT_STARTTLS
, 's',
694 "Use the appropriate STARTTLS command before starting TLS"},
695 {"xmpphost", OPT_XMPPHOST
, 's',
696 "Alias of -name option for \"-starttls xmpp[-server]\""},
697 {"brief", OPT_BRIEF
, '-',
698 "Restrict output to brief summary of connection parameters"},
699 {"prexit", OPT_PREXIT
, '-',
700 "Print session information when the program exits"},
702 OPT_SECTION("Debug"),
703 {"showcerts", OPT_SHOWCERTS
, '-',
704 "Show all certificates sent by the server"},
705 {"debug", OPT_DEBUG
, '-', "Extra output"},
706 {"msg", OPT_MSG
, '-', "Show protocol messages"},
707 {"msgfile", OPT_MSGFILE
, '>',
708 "File to send output of -msg or -trace, instead of stdout"},
709 {"nbio_test", OPT_NBIO_TEST
, '-', "More ssl protocol testing"},
710 {"state", OPT_STATE
, '-', "Print the ssl states"},
711 {"keymatexport", OPT_KEYMATEXPORT
, 's',
712 "Export keying material using label"},
713 {"keymatexportlen", OPT_KEYMATEXPORTLEN
, 'p',
714 "Export len bytes of keying material (default 20)"},
715 {"security_debug", OPT_SECURITY_DEBUG
, '-',
716 "Enable security debug messages"},
717 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE
, '-',
718 "Output more security debug output"},
719 #ifndef OPENSSL_NO_SSL_TRACE
720 {"trace", OPT_TRACE
, '-', "Show trace output of protocol messages"},
723 {"wdebug", OPT_WDEBUG
, '-', "WATT-32 tcp debugging"},
725 {"keylogfile", OPT_KEYLOG_FILE
, '>', "Write TLS secrets to file"},
726 {"nocommands", OPT_NOCMDS
, '-', "Do not use interactive command letters"},
727 {"servername", OPT_SERVERNAME
, 's',
728 "Set TLS extension servername (SNI) in ClientHello (default)"},
729 {"noservername", OPT_NOSERVERNAME
, '-',
730 "Do not send the server name (SNI) extension in the ClientHello"},
731 {"tlsextdebug", OPT_TLSEXTDEBUG
, '-',
732 "Hex dump of all TLS extensions received"},
733 #ifndef OPENSSL_NO_OCSP
734 {"status", OPT_STATUS
, '-', "Request certificate status from server"},
736 {"serverinfo", OPT_SERVERINFO
, 's',
737 "types Send empty ClientHello extensions (comma-separated numbers)"},
738 {"alpn", OPT_ALPN
, 's',
739 "Enable ALPN extension, considering named protocols supported (comma-separated list)"},
740 {"async", OPT_ASYNC
, '-', "Support asynchronous operation"},
741 {"nbio", OPT_NBIO
, '-', "Use non-blocking IO"},
743 OPT_SECTION("Protocol and version"),
744 #ifndef OPENSSL_NO_SSL3
745 {"ssl3", OPT_SSL3
, '-', "Just use SSLv3"},
747 #ifndef OPENSSL_NO_TLS1
748 {"tls1", OPT_TLS1
, '-', "Just use TLSv1"},
750 #ifndef OPENSSL_NO_TLS1_1
751 {"tls1_1", OPT_TLS1_1
, '-', "Just use TLSv1.1"},
753 #ifndef OPENSSL_NO_TLS1_2
754 {"tls1_2", OPT_TLS1_2
, '-', "Just use TLSv1.2"},
756 #ifndef OPENSSL_NO_TLS1_3
757 {"tls1_3", OPT_TLS1_3
, '-', "Just use TLSv1.3"},
759 #ifndef OPENSSL_NO_DTLS
760 {"dtls", OPT_DTLS
, '-', "Use any version of DTLS"},
761 {"timeout", OPT_TIMEOUT
, '-',
762 "Enable send/receive timeout on DTLS connections"},
763 {"mtu", OPT_MTU
, 'p', "Set the link layer MTU"},
765 #ifndef OPENSSL_NO_DTLS1
766 {"dtls1", OPT_DTLS1
, '-', "Just use DTLSv1"},
768 #ifndef OPENSSL_NO_DTLS1_2
769 {"dtls1_2", OPT_DTLS1_2
, '-', "Just use DTLSv1.2"},
771 #ifndef OPENSSL_NO_SCTP
772 {"sctp", OPT_SCTP
, '-', "Use SCTP"},
773 {"sctp_label_bug", OPT_SCTP_LABEL_BUG
, '-', "Enable SCTP label length bug"},
775 #ifndef OPENSSL_NO_NEXTPROTONEG
776 {"nextprotoneg", OPT_NEXTPROTONEG
, 's',
777 "Enable NPN extension, considering named protocols supported (comma-separated list)"},
779 {"early_data", OPT_EARLY_DATA
, '<', "File to send as early data"},
780 {"enable_pha", OPT_ENABLE_PHA
, '-', "Enable post-handshake-authentication"},
781 #ifndef OPENSSL_NO_SRTP
782 {"use_srtp", OPT_USE_SRTP
, 's',
783 "Offer SRTP key management with a colon-separated profile list"},
785 #ifndef OPENSSL_NO_SRP
786 {"srpuser", OPT_SRPUSER
, 's', "SRP authentication for 'user'"},
787 {"srppass", OPT_SRPPASS
, 's', "Password for 'user'"},
788 {"srp_lateuser", OPT_SRP_LATEUSER
, '-',
789 "SRP username into second ClientHello message"},
790 {"srp_moregroups", OPT_SRP_MOREGROUPS
, '-',
791 "Tolerate other than the known g N values."},
792 {"srp_strength", OPT_SRP_STRENGTH
, 'p', "Minimal length in bits for N"},
798 {"CRL", OPT_CRL
, '<', "CRL file to use"},
799 {"crl_download", OPT_CRL_DOWNLOAD
, '-', "Download CRL from distribution points"},
800 {"CRLform", OPT_CRLFORM
, 'F', "CRL format (PEM or DER) PEM is default"},
801 {"verify_return_error", OPT_VERIFY_RET_ERROR
, '-',
802 "Close connection on verification error"},
803 {"verify_quiet", OPT_VERIFY_QUIET
, '-', "Restrict verify output to errors"},
804 {"cert_chain", OPT_CERT_CHAIN
, '<',
805 "Certificate chain file (in PEM format)"},
806 {"chainCApath", OPT_CHAINCAPATH
, '/',
807 "Use dir as certificate store path to build CA certificate chain"},
808 {"chainCAstore", OPT_CHAINCASTORE
, ':',
809 "CA store URI for certificate chain"},
810 {"verifyCAfile", OPT_VERIFYCAFILE
, '<',
811 "CA file for certificate verification (PEM format)"},
812 {"verifyCApath", OPT_VERIFYCAPATH
, '/',
813 "Use dir as certificate store path to verify CA certificate"},
814 {"verifyCAstore", OPT_VERIFYCASTORE
, ':',
815 "CA store URI for certificate verification"},
816 {"build_chain", OPT_BUILD_CHAIN
, '-', "Build certificate chain"},
817 {"chainCAfile", OPT_CHAINCAFILE
, '<',
818 "CA file for certificate chain (PEM format)"},
823 {"host:port", 0, 0, "Where to connect; same as -connect option"},
827 typedef enum PROTOCOL_choice
{
846 static const OPT_PAIR services
[] = {
847 {"smtp", PROTO_SMTP
},
848 {"pop3", PROTO_POP3
},
849 {"imap", PROTO_IMAP
},
851 {"xmpp", PROTO_XMPP
},
852 {"xmpp-server", PROTO_XMPP_SERVER
},
853 {"telnet", PROTO_TELNET
},
855 {"mysql", PROTO_MYSQL
},
856 {"postgres", PROTO_POSTGRES
},
857 {"lmtp", PROTO_LMTP
},
858 {"nntp", PROTO_NNTP
},
859 {"sieve", PROTO_SIEVE
},
860 {"ldap", PROTO_LDAP
},
864 #define IS_INET_FLAG(o) \
865 (o == OPT_4 || o == OPT_6 || o == OPT_HOST || o == OPT_PORT || o == OPT_CONNECT)
866 #define IS_UNIX_FLAG(o) (o == OPT_UNIX)
868 #define IS_PROT_FLAG(o) \
869 (o == OPT_SSL3 || o == OPT_TLS1 || o == OPT_TLS1_1 || o == OPT_TLS1_2 \
870 || o == OPT_TLS1_3 || o == OPT_DTLS || o == OPT_DTLS1 || o == OPT_DTLS1_2)
872 /* Free |*dest| and optionally set it to a copy of |source|. */
873 static void freeandcopy(char **dest
, const char *source
)
878 *dest
= OPENSSL_strdup(source
);
881 static int new_session_cb(SSL
*s
, SSL_SESSION
*sess
)
884 if (sess_out
!= NULL
) {
885 BIO
*stmp
= BIO_new_file(sess_out
, "w");
888 BIO_printf(bio_err
, "Error writing session file %s\n", sess_out
);
890 PEM_write_bio_SSL_SESSION(stmp
, sess
);
896 * Session data gets dumped on connection for TLSv1.2 and below, and on
897 * arrival of the NewSessionTicket for TLSv1.3.
899 if (SSL_version(s
) == TLS1_3_VERSION
) {
900 BIO_printf(bio_c_out
,
901 "---\nPost-Handshake New Session Ticket arrived:\n");
902 SSL_SESSION_print(bio_c_out
, sess
);
903 BIO_printf(bio_c_out
, "---\n");
907 * We always return a "fail" response so that the session gets freed again
908 * because we haven't used the reference.
913 int s_client_main(int argc
, char **argv
)
916 EVP_PKEY
*key
= NULL
;
919 STACK_OF(X509
) *chain
= NULL
;
921 X509_VERIFY_PARAM
*vpm
= NULL
;
922 SSL_EXCERT
*exc
= NULL
;
923 SSL_CONF_CTX
*cctx
= NULL
;
924 STACK_OF(OPENSSL_STRING
) *ssl_args
= NULL
;
925 char *dane_tlsa_domain
= NULL
;
926 STACK_OF(OPENSSL_STRING
) *dane_tlsa_rrset
= NULL
;
927 int dane_ee_no_name
= 0;
928 STACK_OF(X509_CRL
) *crls
= NULL
;
929 const SSL_METHOD
*meth
= TLS_client_method();
930 const char *CApath
= NULL
, *CAfile
= NULL
, *CAstore
= NULL
;
931 char *cbuf
= NULL
, *sbuf
= NULL
, *mbuf
= NULL
;
932 char *proxystr
= NULL
, *proxyuser
= NULL
;
933 char *proxypassarg
= NULL
, *proxypass
= NULL
;
934 char *connectstr
= NULL
, *bindstr
= NULL
;
935 char *cert_file
= NULL
, *key_file
= NULL
, *chain_file
= NULL
;
936 char *chCApath
= NULL
, *chCAfile
= NULL
, *chCAstore
= NULL
, *host
= NULL
;
937 char *port
= OPENSSL_strdup(PORT
);
938 char *bindhost
= NULL
, *bindport
= NULL
;
939 char *passarg
= NULL
, *pass
= NULL
;
940 char *vfyCApath
= NULL
, *vfyCAfile
= NULL
, *vfyCAstore
= NULL
;
941 char *ReqCAfile
= NULL
;
942 char *sess_in
= NULL
, *crl_file
= NULL
, *p
;
943 const char *protohost
= NULL
;
944 struct timeval timeout
, *timeoutp
;
945 fd_set readfds
, writefds
;
946 int noCApath
= 0, noCAfile
= 0, noCAstore
= 0;
947 int build_chain
= 0, cbuf_len
, cbuf_off
, cert_format
= FORMAT_PEM
;
948 int key_format
= FORMAT_PEM
, crlf
= 0, full_log
= 1, mbuf_len
= 0;
951 int reconnect
= 0, verify
= SSL_VERIFY_NONE
, vpmtouched
= 0;
952 int ret
= 1, in_init
= 1, i
, nbio_test
= 0, sock
= -1, k
, width
, state
= 0;
953 int sbuf_len
, sbuf_off
, cmdletters
= 1;
954 int socket_family
= AF_UNSPEC
, socket_type
= SOCK_STREAM
, protocol
= 0;
955 int starttls_proto
= PROTO_OFF
, crl_format
= FORMAT_PEM
, crl_download
= 0;
956 int write_tty
, read_tty
, write_ssl
, read_ssl
, tty_on
, ssl_pending
;
957 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
960 int read_buf_len
= 0;
961 int fallback_scsv
= 0;
963 #ifndef OPENSSL_NO_DTLS
964 int enable_timeouts
= 0;
967 #ifndef OPENSSL_NO_ENGINE
968 ENGINE
*ssl_client_engine
= NULL
;
971 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
974 const char *servername
= NULL
;
975 int noservername
= 0;
976 const char *alpn_in
= NULL
;
977 tlsextctx tlsextcbp
= { NULL
, 0 };
978 const char *ssl_config
= NULL
;
979 #define MAX_SI_TYPES 100
980 unsigned short serverinfo_types
[MAX_SI_TYPES
];
981 int serverinfo_count
= 0, start
= 0, len
;
982 #ifndef OPENSSL_NO_NEXTPROTONEG
983 const char *next_proto_neg_in
= NULL
;
985 #ifndef OPENSSL_NO_SRP
986 char *srppass
= NULL
;
987 int srp_lateuser
= 0;
988 SRP_ARG srp_arg
= { NULL
, NULL
, 0, 0, 0, 1024 };
990 #ifndef OPENSSL_NO_SRTP
991 char *srtp_profiles
= NULL
;
993 #ifndef OPENSSL_NO_CT
994 char *ctlog_file
= NULL
;
995 int ct_validation
= 0;
997 int min_version
= 0, max_version
= 0, prot_opt
= 0, no_prot_opt
= 0;
999 unsigned int max_send_fragment
= 0;
1000 unsigned int split_send_fragment
= 0, max_pipelines
= 0;
1001 enum { use_inet
, use_unix
, use_unknown
} connect_type
= use_unknown
;
1003 uint8_t maxfraglen
= 0;
1004 int c_nbio
= 0, c_msg
= 0, c_ign_eof
= 0, c_brief
= 0;
1005 int c_tlsextdebug
= 0;
1006 #ifndef OPENSSL_NO_OCSP
1007 int c_status_req
= 0;
1009 BIO
*bio_c_msg
= NULL
;
1010 const char *keylog_file
= NULL
, *early_data_file
= NULL
;
1011 #ifndef OPENSSL_NO_DTLS
1014 char *psksessf
= NULL
;
1016 #ifndef OPENSSL_NO_SCTP
1017 int sctp_label_bug
= 0;
1022 /* Known false-positive of MemorySanitizer. */
1023 #if defined(__has_feature)
1024 # if __has_feature(memory_sanitizer)
1025 __msan_unpoison(&readfds
, sizeof(readfds
));
1026 __msan_unpoison(&writefds
, sizeof(writefds
));
1030 prog
= opt_progname(argv
[0]);
1035 vpm
= X509_VERIFY_PARAM_new();
1036 cctx
= SSL_CONF_CTX_new();
1038 if (vpm
== NULL
|| cctx
== NULL
) {
1039 BIO_printf(bio_err
, "%s: out of memory\n", prog
);
1043 cbuf
= app_malloc(BUFSIZZ
, "cbuf");
1044 sbuf
= app_malloc(BUFSIZZ
, "sbuf");
1045 mbuf
= app_malloc(BUFSIZZ
, "mbuf");
1047 SSL_CONF_CTX_set_flags(cctx
, SSL_CONF_FLAG_CLIENT
| SSL_CONF_FLAG_CMDLINE
);
1049 prog
= opt_init(argc
, argv
, s_client_options
);
1050 while ((o
= opt_next()) != OPT_EOF
) {
1051 /* Check for intermixing flags. */
1052 if (connect_type
== use_unix
&& IS_INET_FLAG(o
)) {
1054 "%s: Intermixed protocol flags (unix and internet domains)\n",
1058 if (connect_type
== use_inet
&& IS_UNIX_FLAG(o
)) {
1060 "%s: Intermixed protocol flags (internet and unix domains)\n",
1065 if (IS_PROT_FLAG(o
) && ++prot_opt
> 1) {
1066 BIO_printf(bio_err
, "Cannot supply multiple protocol flags\n");
1069 if (IS_NO_PROT_FLAG(o
))
1071 if (prot_opt
== 1 && no_prot_opt
) {
1073 "Cannot supply both a protocol flag and '-no_<prot>'\n");
1081 BIO_printf(bio_err
, "%s: Use -help for summary.\n", prog
);
1084 opt_help(s_client_options
);
1088 connect_type
= use_inet
;
1089 socket_family
= AF_INET
;
1094 connect_type
= use_inet
;
1095 socket_family
= AF_INET6
;
1100 connect_type
= use_inet
;
1101 freeandcopy(&host
, opt_arg());
1104 connect_type
= use_inet
;
1105 freeandcopy(&port
, opt_arg());
1108 connect_type
= use_inet
;
1109 freeandcopy(&connectstr
, opt_arg());
1112 freeandcopy(&bindstr
, opt_arg());
1115 proxystr
= opt_arg();
1116 starttls_proto
= PROTO_CONNECT
;
1118 case OPT_PROXY_USER
:
1119 proxyuser
= opt_arg();
1121 case OPT_PROXY_PASS
:
1122 proxypassarg
= opt_arg();
1126 connect_type
= use_unix
;
1127 socket_family
= AF_UNIX
;
1128 freeandcopy(&host
, opt_arg());
1132 /* fall through, since this is an alias */
1134 protohost
= opt_arg();
1137 verify
= SSL_VERIFY_PEER
;
1138 verify_args
.depth
= atoi(opt_arg());
1140 BIO_printf(bio_err
, "verify depth is %d\n", verify_args
.depth
);
1143 cert_file
= opt_arg();
1146 if (!set_nameopt(opt_arg()))
1150 crl_file
= opt_arg();
1152 case OPT_CRL_DOWNLOAD
:
1156 sess_out
= opt_arg();
1159 sess_in
= opt_arg();
1162 if (!opt_format(opt_arg(), OPT_FMT_PEMDER
, &cert_format
))
1166 if (!opt_format(opt_arg(), OPT_FMT_PEMDER
, &crl_format
))
1169 case OPT_VERIFY_RET_ERROR
:
1170 verify
= SSL_VERIFY_PEER
;
1171 verify_args
.return_error
= 1;
1173 case OPT_VERIFY_QUIET
:
1174 verify_args
.quiet
= 1;
1177 c_brief
= verify_args
.quiet
= c_quiet
= 1;
1180 if (ssl_args
== NULL
)
1181 ssl_args
= sk_OPENSSL_STRING_new_null();
1182 if (ssl_args
== NULL
1183 || !sk_OPENSSL_STRING_push(ssl_args
, opt_flag())
1184 || !sk_OPENSSL_STRING_push(ssl_args
, opt_arg())) {
1185 BIO_printf(bio_err
, "%s: Memory allocation failure\n", prog
);
1190 if (!opt_verify(o
, vpm
))
1195 if (!args_excert(o
, &exc
))
1205 c_quiet
= c_ign_eof
= 1;
1214 e
= setup_engine(opt_arg(), 1);
1216 case OPT_SSL_CLIENT_ENGINE
:
1217 #ifndef OPENSSL_NO_ENGINE
1218 ssl_client_engine
= ENGINE_by_id(opt_arg());
1219 if (ssl_client_engine
== NULL
) {
1220 BIO_printf(bio_err
, "Error getting client auth engine\n");
1229 case OPT_PROV_CASES
:
1230 if (!opt_provider(o
))
1236 case OPT_NO_IGN_EOF
:
1242 case OPT_TLSEXTDEBUG
:
1246 #ifndef OPENSSL_NO_OCSP
1259 bio_c_msg
= BIO_new_file(opt_arg(), "w");
1262 #ifndef OPENSSL_NO_SSL_TRACE
1266 case OPT_SECURITY_DEBUG
:
1269 case OPT_SECURITY_DEBUG_VERBOSE
:
1281 case OPT_PSK_IDENTITY
:
1282 psk_identity
= opt_arg();
1285 for (p
= psk_key
= opt_arg(); *p
; p
++) {
1286 if (isxdigit(_UC(*p
)))
1288 BIO_printf(bio_err
, "Not a hex number '%s'\n", psk_key
);
1293 psksessf
= opt_arg();
1295 #ifndef OPENSSL_NO_SRP
1297 srp_arg
.srplogin
= opt_arg();
1298 if (min_version
< TLS1_VERSION
)
1299 min_version
= TLS1_VERSION
;
1302 srppass
= opt_arg();
1303 if (min_version
< TLS1_VERSION
)
1304 min_version
= TLS1_VERSION
;
1306 case OPT_SRP_STRENGTH
:
1307 srp_arg
.strength
= atoi(opt_arg());
1308 BIO_printf(bio_err
, "SRP minimal length for N is %d\n",
1310 if (min_version
< TLS1_VERSION
)
1311 min_version
= TLS1_VERSION
;
1313 case OPT_SRP_LATEUSER
:
1315 if (min_version
< TLS1_VERSION
)
1316 min_version
= TLS1_VERSION
;
1318 case OPT_SRP_MOREGROUPS
:
1320 if (min_version
< TLS1_VERSION
)
1321 min_version
= TLS1_VERSION
;
1324 case OPT_SSL_CONFIG
:
1325 ssl_config
= opt_arg();
1328 min_version
= SSL3_VERSION
;
1329 max_version
= SSL3_VERSION
;
1332 min_version
= TLS1_3_VERSION
;
1333 max_version
= TLS1_3_VERSION
;
1336 min_version
= TLS1_2_VERSION
;
1337 max_version
= TLS1_2_VERSION
;
1340 min_version
= TLS1_1_VERSION
;
1341 max_version
= TLS1_1_VERSION
;
1344 min_version
= TLS1_VERSION
;
1345 max_version
= TLS1_VERSION
;
1348 #ifndef OPENSSL_NO_DTLS
1349 meth
= DTLS_client_method();
1350 socket_type
= SOCK_DGRAM
;
1355 #ifndef OPENSSL_NO_DTLS1
1356 meth
= DTLS_client_method();
1357 min_version
= DTLS1_VERSION
;
1358 max_version
= DTLS1_VERSION
;
1359 socket_type
= SOCK_DGRAM
;
1364 #ifndef OPENSSL_NO_DTLS1_2
1365 meth
= DTLS_client_method();
1366 min_version
= DTLS1_2_VERSION
;
1367 max_version
= DTLS1_2_VERSION
;
1368 socket_type
= SOCK_DGRAM
;
1373 #ifndef OPENSSL_NO_SCTP
1374 protocol
= IPPROTO_SCTP
;
1377 case OPT_SCTP_LABEL_BUG
:
1378 #ifndef OPENSSL_NO_SCTP
1383 #ifndef OPENSSL_NO_DTLS
1384 enable_timeouts
= 1;
1388 #ifndef OPENSSL_NO_DTLS
1389 socket_mtu
= atol(opt_arg());
1392 case OPT_FALLBACKSCSV
:
1396 if (!opt_format(opt_arg(), OPT_FMT_PDE
, &key_format
))
1400 passarg
= opt_arg();
1402 case OPT_CERT_CHAIN
:
1403 chain_file
= opt_arg();
1406 key_file
= opt_arg();
1417 case OPT_CHAINCAPATH
:
1418 chCApath
= opt_arg();
1420 case OPT_VERIFYCAPATH
:
1421 vfyCApath
= opt_arg();
1423 case OPT_BUILD_CHAIN
:
1427 ReqCAfile
= opt_arg();
1435 #ifndef OPENSSL_NO_CT
1442 case OPT_CTLOG_FILE
:
1443 ctlog_file
= opt_arg();
1446 case OPT_CHAINCAFILE
:
1447 chCAfile
= opt_arg();
1449 case OPT_VERIFYCAFILE
:
1450 vfyCAfile
= opt_arg();
1453 CAstore
= opt_arg();
1458 case OPT_CHAINCASTORE
:
1459 chCAstore
= opt_arg();
1461 case OPT_VERIFYCASTORE
:
1462 vfyCAstore
= opt_arg();
1464 case OPT_DANE_TLSA_DOMAIN
:
1465 dane_tlsa_domain
= opt_arg();
1467 case OPT_DANE_TLSA_RRDATA
:
1468 if (dane_tlsa_rrset
== NULL
)
1469 dane_tlsa_rrset
= sk_OPENSSL_STRING_new_null();
1470 if (dane_tlsa_rrset
== NULL
||
1471 !sk_OPENSSL_STRING_push(dane_tlsa_rrset
, opt_arg())) {
1472 BIO_printf(bio_err
, "%s: Memory allocation failure\n", prog
);
1476 case OPT_DANE_EE_NO_NAME
:
1477 dane_ee_no_name
= 1;
1479 case OPT_NEXTPROTONEG
:
1480 #ifndef OPENSSL_NO_NEXTPROTONEG
1481 next_proto_neg_in
= opt_arg();
1485 alpn_in
= opt_arg();
1487 case OPT_SERVERINFO
:
1490 for (start
= 0, i
= 0; i
<= len
; ++i
) {
1491 if (i
== len
|| p
[i
] == ',') {
1492 serverinfo_types
[serverinfo_count
] = atoi(p
+ start
);
1493 if (++serverinfo_count
== MAX_SI_TYPES
)
1500 if (!opt_pair(opt_arg(), services
, &starttls_proto
))
1503 case OPT_SERVERNAME
:
1504 servername
= opt_arg();
1506 case OPT_NOSERVERNAME
:
1510 #ifndef OPENSSL_NO_SRTP
1511 srtp_profiles
= opt_arg();
1514 case OPT_KEYMATEXPORT
:
1515 keymatexportlabel
= opt_arg();
1517 case OPT_KEYMATEXPORTLEN
:
1518 keymatexportlen
= atoi(opt_arg());
1523 case OPT_MAXFRAGLEN
:
1524 len
= atoi(opt_arg());
1527 maxfraglen
= TLSEXT_max_fragment_length_512
;
1530 maxfraglen
= TLSEXT_max_fragment_length_1024
;
1533 maxfraglen
= TLSEXT_max_fragment_length_2048
;
1536 maxfraglen
= TLSEXT_max_fragment_length_4096
;
1540 "%s: Max Fragment Len %u is out of permitted values",
1545 case OPT_MAX_SEND_FRAG
:
1546 max_send_fragment
= atoi(opt_arg());
1548 case OPT_SPLIT_SEND_FRAG
:
1549 split_send_fragment
= atoi(opt_arg());
1551 case OPT_MAX_PIPELINES
:
1552 max_pipelines
= atoi(opt_arg());
1555 read_buf_len
= atoi(opt_arg());
1557 case OPT_KEYLOG_FILE
:
1558 keylog_file
= opt_arg();
1560 case OPT_EARLY_DATA
:
1561 early_data_file
= opt_arg();
1563 case OPT_ENABLE_PHA
:
1569 if (count4or6
>= 2) {
1570 BIO_printf(bio_err
, "%s: Can't use both -4 and -6\n", prog
);
1574 if (servername
!= NULL
) {
1576 "%s: Can't use -servername and -noservername together\n",
1580 if (dane_tlsa_domain
!= NULL
) {
1582 "%s: Can't use -dane_tlsa_domain and -noservername together\n",
1587 argc
= opt_num_rest();
1589 /* If there's a positional argument, it's the equivalent of
1591 * Don't allow -connect and a separate argument.
1593 if (connectstr
!= NULL
) {
1595 "%s: must not provide both -connect option and target parameter\n",
1599 connect_type
= use_inet
;
1600 freeandcopy(&connectstr
, *opt_rest());
1601 } else if (argc
!= 0) {
1605 #ifndef OPENSSL_NO_NEXTPROTONEG
1606 if (min_version
== TLS1_3_VERSION
&& next_proto_neg_in
!= NULL
) {
1607 BIO_printf(bio_err
, "Cannot supply -nextprotoneg with TLSv1.3\n");
1611 if (proxystr
!= NULL
) {
1613 char *tmp_host
= host
, *tmp_port
= port
;
1614 if (connectstr
== NULL
) {
1615 BIO_printf(bio_err
, "%s: -proxy requires use of -connect or target parameter\n", prog
);
1618 res
= BIO_parse_hostserv(proxystr
, &host
, &port
, 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: -proxy argument malformed or ambiguous\n", prog
);
1630 char *tmp_host
= host
, *tmp_port
= port
;
1631 if (connectstr
!= NULL
)
1632 res
= BIO_parse_hostserv(connectstr
, &host
, &port
,
1633 BIO_PARSE_PRIO_HOST
);
1634 if (tmp_host
!= host
)
1635 OPENSSL_free(tmp_host
);
1636 if (tmp_port
!= port
)
1637 OPENSSL_free(tmp_port
);
1640 "%s: -connect argument or target parameter malformed or ambiguous\n",
1646 if (bindstr
!= NULL
) {
1648 res
= BIO_parse_hostserv(bindstr
, &bindhost
, &bindport
,
1649 BIO_PARSE_PRIO_HOST
);
1652 "%s: -bind argument parameter malformed or ambiguous\n",
1659 if (socket_family
== AF_UNIX
&& socket_type
!= SOCK_STREAM
) {
1661 "Can't use unix sockets and datagrams together\n");
1666 #ifndef OPENSSL_NO_SCTP
1667 if (protocol
== IPPROTO_SCTP
) {
1668 if (socket_type
!= SOCK_DGRAM
) {
1669 BIO_printf(bio_err
, "Can't use -sctp without DTLS\n");
1672 /* SCTP is unusual. It uses DTLS over a SOCK_STREAM protocol */
1673 socket_type
= SOCK_STREAM
;
1677 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1678 next_proto
.status
= -1;
1679 if (next_proto_neg_in
) {
1681 next_protos_parse(&next_proto
.len
, next_proto_neg_in
);
1682 if (next_proto
.data
== NULL
) {
1683 BIO_printf(bio_err
, "Error parsing -nextprotoneg argument\n");
1687 next_proto
.data
= NULL
;
1690 if (!app_passwd(passarg
, NULL
, &pass
, NULL
)) {
1691 BIO_printf(bio_err
, "Error getting private key password\n");
1695 if (!app_passwd(proxypassarg
, NULL
, &proxypass
, NULL
)) {
1696 BIO_printf(bio_err
, "Error getting proxy password\n");
1700 if (proxypass
!= NULL
&& proxyuser
== NULL
) {
1701 BIO_printf(bio_err
, "Error: Must specify proxy_user with proxy_pass\n");
1705 if (key_file
== NULL
)
1706 key_file
= cert_file
;
1708 if (key_file
!= NULL
) {
1709 key
= load_key(key_file
, key_format
, 0, pass
, e
,
1710 "client certificate private key file");
1712 ERR_print_errors(bio_err
);
1717 if (cert_file
!= NULL
) {
1718 cert
= load_cert(cert_file
, cert_format
, "client certificate file");
1720 ERR_print_errors(bio_err
);
1725 if (chain_file
!= NULL
) {
1726 if (!load_certs(chain_file
, &chain
, FORMAT_PEM
, NULL
,
1727 "client certificate chain"))
1731 if (crl_file
!= NULL
) {
1733 crl
= load_crl(crl_file
, crl_format
);
1735 BIO_puts(bio_err
, "Error loading CRL\n");
1736 ERR_print_errors(bio_err
);
1739 crls
= sk_X509_CRL_new_null();
1740 if (crls
== NULL
|| !sk_X509_CRL_push(crls
, crl
)) {
1741 BIO_puts(bio_err
, "Error adding CRL\n");
1742 ERR_print_errors(bio_err
);
1748 if (!load_excert(&exc
))
1751 if (bio_c_out
== NULL
) {
1752 if (c_quiet
&& !c_debug
) {
1753 bio_c_out
= BIO_new(BIO_s_null());
1754 if (c_msg
&& bio_c_msg
== NULL
)
1755 bio_c_msg
= dup_bio_out(FORMAT_TEXT
);
1756 } else if (bio_c_out
== NULL
)
1757 bio_c_out
= dup_bio_out(FORMAT_TEXT
);
1759 #ifndef OPENSSL_NO_SRP
1760 if (!app_passwd(srppass
, NULL
, &srp_arg
.srppassin
, NULL
)) {
1761 BIO_printf(bio_err
, "Error getting password\n");
1766 ctx
= SSL_CTX_new(meth
);
1768 ERR_print_errors(bio_err
);
1772 SSL_CTX_clear_mode(ctx
, SSL_MODE_AUTO_RETRY
);
1775 ssl_ctx_security_debug(ctx
, sdebug
);
1777 if (!config_ctx(cctx
, ssl_args
, ctx
))
1780 if (ssl_config
!= NULL
) {
1781 if (SSL_CTX_config(ctx
, ssl_config
) == 0) {
1782 BIO_printf(bio_err
, "Error using configuration \"%s\"\n",
1784 ERR_print_errors(bio_err
);
1789 #ifndef OPENSSL_NO_SCTP
1790 if (protocol
== IPPROTO_SCTP
&& sctp_label_bug
== 1)
1791 SSL_CTX_set_mode(ctx
, SSL_MODE_DTLS_SCTP_LABEL_LENGTH_BUG
);
1794 if (min_version
!= 0
1795 && SSL_CTX_set_min_proto_version(ctx
, min_version
) == 0)
1797 if (max_version
!= 0
1798 && SSL_CTX_set_max_proto_version(ctx
, max_version
) == 0)
1801 if (vpmtouched
&& !SSL_CTX_set1_param(ctx
, vpm
)) {
1802 BIO_printf(bio_err
, "Error setting verify params\n");
1803 ERR_print_errors(bio_err
);
1808 SSL_CTX_set_mode(ctx
, SSL_MODE_ASYNC
);
1811 if (max_send_fragment
> 0
1812 && !SSL_CTX_set_max_send_fragment(ctx
, max_send_fragment
)) {
1813 BIO_printf(bio_err
, "%s: Max send fragment size %u is out of permitted range\n",
1814 prog
, max_send_fragment
);
1818 if (split_send_fragment
> 0
1819 && !SSL_CTX_set_split_send_fragment(ctx
, split_send_fragment
)) {
1820 BIO_printf(bio_err
, "%s: Split send fragment size %u is out of permitted range\n",
1821 prog
, split_send_fragment
);
1825 if (max_pipelines
> 0
1826 && !SSL_CTX_set_max_pipelines(ctx
, max_pipelines
)) {
1827 BIO_printf(bio_err
, "%s: Max pipelines %u is out of permitted range\n",
1828 prog
, max_pipelines
);
1832 if (read_buf_len
> 0) {
1833 SSL_CTX_set_default_read_buffer_len(ctx
, read_buf_len
);
1837 && !SSL_CTX_set_tlsext_max_fragment_length(ctx
, maxfraglen
)) {
1839 "%s: Max Fragment Length code %u is out of permitted values"
1840 "\n", prog
, maxfraglen
);
1844 if (!ssl_load_stores(ctx
,
1845 vfyCApath
, vfyCAfile
, vfyCAstore
,
1846 chCApath
, chCAfile
, chCAstore
,
1847 crls
, crl_download
)) {
1848 BIO_printf(bio_err
, "Error loading store locations\n");
1849 ERR_print_errors(bio_err
);
1852 if (ReqCAfile
!= NULL
) {
1853 STACK_OF(X509_NAME
) *nm
= sk_X509_NAME_new_null();
1855 if (nm
== NULL
|| !SSL_add_file_cert_subjects_to_stack(nm
, ReqCAfile
)) {
1856 sk_X509_NAME_pop_free(nm
, X509_NAME_free
);
1857 BIO_printf(bio_err
, "Error loading CA names\n");
1858 ERR_print_errors(bio_err
);
1861 SSL_CTX_set0_CA_list(ctx
, nm
);
1863 #ifndef OPENSSL_NO_ENGINE
1864 if (ssl_client_engine
) {
1865 if (!SSL_CTX_set_client_cert_engine(ctx
, ssl_client_engine
)) {
1866 BIO_puts(bio_err
, "Error setting client auth engine\n");
1867 ERR_print_errors(bio_err
);
1868 ENGINE_free(ssl_client_engine
);
1871 ENGINE_free(ssl_client_engine
);
1875 #ifndef OPENSSL_NO_PSK
1876 if (psk_key
!= NULL
) {
1878 BIO_printf(bio_c_out
, "PSK key given, setting client callback\n");
1879 SSL_CTX_set_psk_client_callback(ctx
, psk_client_cb
);
1882 if (psksessf
!= NULL
) {
1883 BIO
*stmp
= BIO_new_file(psksessf
, "r");
1886 BIO_printf(bio_err
, "Can't open PSK session file %s\n", psksessf
);
1887 ERR_print_errors(bio_err
);
1890 psksess
= PEM_read_bio_SSL_SESSION(stmp
, NULL
, 0, NULL
);
1892 if (psksess
== NULL
) {
1893 BIO_printf(bio_err
, "Can't read PSK session file %s\n", psksessf
);
1894 ERR_print_errors(bio_err
);
1898 if (psk_key
!= NULL
|| psksess
!= NULL
)
1899 SSL_CTX_set_psk_use_session_callback(ctx
, psk_use_session_cb
);
1901 #ifndef OPENSSL_NO_SRTP
1902 if (srtp_profiles
!= NULL
) {
1903 /* Returns 0 on success! */
1904 if (SSL_CTX_set_tlsext_use_srtp(ctx
, srtp_profiles
) != 0) {
1905 BIO_printf(bio_err
, "Error setting SRTP profile\n");
1906 ERR_print_errors(bio_err
);
1913 ssl_ctx_set_excert(ctx
, exc
);
1915 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1916 if (next_proto
.data
!= NULL
)
1917 SSL_CTX_set_next_proto_select_cb(ctx
, next_proto_cb
, &next_proto
);
1921 unsigned char *alpn
= next_protos_parse(&alpn_len
, alpn_in
);
1924 BIO_printf(bio_err
, "Error parsing -alpn argument\n");
1927 /* Returns 0 on success! */
1928 if (SSL_CTX_set_alpn_protos(ctx
, alpn
, alpn_len
) != 0) {
1929 BIO_printf(bio_err
, "Error setting ALPN\n");
1935 for (i
= 0; i
< serverinfo_count
; i
++) {
1936 if (!SSL_CTX_add_client_custom_ext(ctx
,
1937 serverinfo_types
[i
],
1939 serverinfo_cli_parse_cb
, NULL
)) {
1941 "Warning: Unable to add custom extension %u, skipping\n",
1942 serverinfo_types
[i
]);
1947 SSL_CTX_set_info_callback(ctx
, apps_ssl_info_callback
);
1949 #ifndef OPENSSL_NO_CT
1950 /* Enable SCT processing, without early connection termination */
1951 if (ct_validation
&&
1952 !SSL_CTX_enable_ct(ctx
, SSL_CT_VALIDATION_PERMISSIVE
)) {
1953 ERR_print_errors(bio_err
);
1957 if (!ctx_set_ctlog_list_file(ctx
, ctlog_file
)) {
1958 if (ct_validation
) {
1959 ERR_print_errors(bio_err
);
1964 * If CT validation is not enabled, the log list isn't needed so don't
1965 * show errors or abort. We try to load it regardless because then we
1966 * can show the names of the logs any SCTs came from (SCTs may be seen
1967 * even with validation disabled).
1973 SSL_CTX_set_verify(ctx
, verify
, verify_callback
);
1975 if (!ctx_set_verify_locations(ctx
, CAfile
, noCAfile
, CApath
, noCApath
,
1976 CAstore
, noCAstore
)) {
1977 ERR_print_errors(bio_err
);
1981 ssl_ctx_add_crls(ctx
, crls
, crl_download
);
1983 if (!set_cert_key_stuff(ctx
, cert
, key
, chain
, build_chain
))
1986 if (!noservername
) {
1987 tlsextcbp
.biodebug
= bio_err
;
1988 SSL_CTX_set_tlsext_servername_callback(ctx
, ssl_servername_cb
);
1989 SSL_CTX_set_tlsext_servername_arg(ctx
, &tlsextcbp
);
1991 # ifndef OPENSSL_NO_SRP
1992 if (srp_arg
.srplogin
) {
1993 if (!srp_lateuser
&& !SSL_CTX_set_srp_username(ctx
, srp_arg
.srplogin
)) {
1994 BIO_printf(bio_err
, "Unable to set SRP username\n");
1997 srp_arg
.msg
= c_msg
;
1998 srp_arg
.debug
= c_debug
;
1999 SSL_CTX_set_srp_cb_arg(ctx
, &srp_arg
);
2000 SSL_CTX_set_srp_client_pwd_callback(ctx
, ssl_give_srp_client_pwd_cb
);
2001 SSL_CTX_set_srp_strength(ctx
, srp_arg
.strength
);
2002 if (c_msg
|| c_debug
|| srp_arg
.amp
== 0)
2003 SSL_CTX_set_srp_verify_param_callback(ctx
,
2004 ssl_srp_verify_param_cb
);
2008 if (dane_tlsa_domain
!= NULL
) {
2009 if (SSL_CTX_dane_enable(ctx
) <= 0) {
2011 "%s: Error enabling DANE TLSA authentication.\n",
2013 ERR_print_errors(bio_err
);
2019 * In TLSv1.3 NewSessionTicket messages arrive after the handshake and can
2020 * come at any time. Therefore we use a callback to write out the session
2021 * when we know about it. This approach works for < TLSv1.3 as well.
2023 SSL_CTX_set_session_cache_mode(ctx
, SSL_SESS_CACHE_CLIENT
2024 | SSL_SESS_CACHE_NO_INTERNAL_STORE
);
2025 SSL_CTX_sess_set_new_cb(ctx
, new_session_cb
);
2027 if (set_keylog_file(ctx
, keylog_file
))
2035 SSL_set_post_handshake_auth(con
, 1);
2037 if (sess_in
!= NULL
) {
2039 BIO
*stmp
= BIO_new_file(sess_in
, "r");
2041 BIO_printf(bio_err
, "Can't open session file %s\n", sess_in
);
2042 ERR_print_errors(bio_err
);
2045 sess
= PEM_read_bio_SSL_SESSION(stmp
, NULL
, 0, NULL
);
2048 BIO_printf(bio_err
, "Can't open session file %s\n", sess_in
);
2049 ERR_print_errors(bio_err
);
2052 if (!SSL_set_session(con
, sess
)) {
2053 BIO_printf(bio_err
, "Can't set session\n");
2054 ERR_print_errors(bio_err
);
2058 SSL_SESSION_free(sess
);
2062 SSL_set_mode(con
, SSL_MODE_SEND_FALLBACK_SCSV
);
2064 if (!noservername
&& (servername
!= NULL
|| dane_tlsa_domain
== NULL
)) {
2065 if (servername
== NULL
) {
2066 if(host
== NULL
|| is_dNS_name(host
))
2067 servername
= (host
== NULL
) ? "localhost" : host
;
2069 if (servername
!= NULL
&& !SSL_set_tlsext_host_name(con
, servername
)) {
2070 BIO_printf(bio_err
, "Unable to set TLS servername extension.\n");
2071 ERR_print_errors(bio_err
);
2076 if (dane_tlsa_domain
!= NULL
) {
2077 if (SSL_dane_enable(con
, dane_tlsa_domain
) <= 0) {
2078 BIO_printf(bio_err
, "%s: Error enabling DANE TLSA "
2079 "authentication.\n", prog
);
2080 ERR_print_errors(bio_err
);
2083 if (dane_tlsa_rrset
== NULL
) {
2084 BIO_printf(bio_err
, "%s: DANE TLSA authentication requires at "
2085 "least one -dane_tlsa_rrdata option.\n", prog
);
2088 if (tlsa_import_rrset(con
, dane_tlsa_rrset
) <= 0) {
2089 BIO_printf(bio_err
, "%s: Failed to import any TLSA "
2090 "records.\n", prog
);
2093 if (dane_ee_no_name
)
2094 SSL_dane_set_flags(con
, DANE_FLAG_NO_DANE_EE_NAMECHECKS
);
2095 } else if (dane_tlsa_rrset
!= NULL
) {
2096 BIO_printf(bio_err
, "%s: DANE TLSA authentication requires the "
2097 "-dane_tlsa_domain option.\n", prog
);
2102 if (init_client(&sock
, host
, port
, bindhost
, bindport
, socket_family
,
2103 socket_type
, protocol
) == 0) {
2104 BIO_printf(bio_err
, "connect:errno=%d\n", get_last_socket_error());
2105 BIO_closesocket(sock
);
2108 BIO_printf(bio_c_out
, "CONNECTED(%08X)\n", sock
);
2111 if (!BIO_socket_nbio(sock
, 1)) {
2112 ERR_print_errors(bio_err
);
2115 BIO_printf(bio_c_out
, "Turned on non blocking io\n");
2117 #ifndef OPENSSL_NO_DTLS
2119 union BIO_sock_info_u peer_info
;
2121 #ifndef OPENSSL_NO_SCTP
2122 if (protocol
== IPPROTO_SCTP
)
2123 sbio
= BIO_new_dgram_sctp(sock
, BIO_NOCLOSE
);
2126 sbio
= BIO_new_dgram(sock
, BIO_NOCLOSE
);
2128 if ((peer_info
.addr
= BIO_ADDR_new()) == NULL
) {
2129 BIO_printf(bio_err
, "memory allocation failure\n");
2130 BIO_closesocket(sock
);
2133 if (!BIO_sock_info(sock
, BIO_SOCK_INFO_ADDRESS
, &peer_info
)) {
2134 BIO_printf(bio_err
, "getsockname:errno=%d\n",
2135 get_last_socket_error());
2136 BIO_ADDR_free(peer_info
.addr
);
2137 BIO_closesocket(sock
);
2141 (void)BIO_ctrl_set_connected(sbio
, peer_info
.addr
);
2142 BIO_ADDR_free(peer_info
.addr
);
2143 peer_info
.addr
= NULL
;
2145 if (enable_timeouts
) {
2147 timeout
.tv_usec
= DGRAM_RCV_TIMEOUT
;
2148 BIO_ctrl(sbio
, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT
, 0, &timeout
);
2151 timeout
.tv_usec
= DGRAM_SND_TIMEOUT
;
2152 BIO_ctrl(sbio
, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT
, 0, &timeout
);
2156 if (socket_mtu
< DTLS_get_link_min_mtu(con
)) {
2157 BIO_printf(bio_err
, "MTU too small. Must be at least %ld\n",
2158 DTLS_get_link_min_mtu(con
));
2162 SSL_set_options(con
, SSL_OP_NO_QUERY_MTU
);
2163 if (!DTLS_set_link_mtu(con
, socket_mtu
)) {
2164 BIO_printf(bio_err
, "Failed to set MTU\n");
2169 /* want to do MTU discovery */
2170 BIO_ctrl(sbio
, BIO_CTRL_DGRAM_MTU_DISCOVER
, 0, NULL
);
2173 #endif /* OPENSSL_NO_DTLS */
2174 sbio
= BIO_new_socket(sock
, BIO_NOCLOSE
);
2179 test
= BIO_new(BIO_f_nbio_test());
2180 sbio
= BIO_push(test
, sbio
);
2184 BIO_set_callback(sbio
, bio_dump_callback
);
2185 BIO_set_callback_arg(sbio
, (char *)bio_c_out
);
2188 #ifndef OPENSSL_NO_SSL_TRACE
2190 SSL_set_msg_callback(con
, SSL_trace
);
2193 SSL_set_msg_callback(con
, msg_cb
);
2194 SSL_set_msg_callback_arg(con
, bio_c_msg
? bio_c_msg
: bio_c_out
);
2197 if (c_tlsextdebug
) {
2198 SSL_set_tlsext_debug_callback(con
, tlsext_cb
);
2199 SSL_set_tlsext_debug_arg(con
, bio_c_out
);
2201 #ifndef OPENSSL_NO_OCSP
2203 SSL_set_tlsext_status_type(con
, TLSEXT_STATUSTYPE_ocsp
);
2204 SSL_CTX_set_tlsext_status_cb(ctx
, ocsp_resp_cb
);
2205 SSL_CTX_set_tlsext_status_arg(ctx
, bio_c_out
);
2209 SSL_set_bio(con
, sbio
, sbio
);
2210 SSL_set_connect_state(con
);
2212 /* ok, lets connect */
2213 if (fileno_stdin() > SSL_get_fd(con
))
2214 width
= fileno_stdin() + 1;
2216 width
= SSL_get_fd(con
) + 1;
2229 switch ((PROTOCOL_CHOICE
) starttls_proto
) {
2236 * This is an ugly hack that does a lot of assumptions. We do
2237 * have to handle multi-line responses which may come in a single
2238 * packet or not. We therefore have to use BIO_gets() which does
2239 * need a buffering BIO. So during the initial chitchat we do
2240 * push a buffering BIO into the chain that is removed again
2241 * later on to not disturb the rest of the s_client operation.
2244 BIO
*fbio
= BIO_new(BIO_f_buffer());
2246 BIO_push(fbio
, sbio
);
2247 /* Wait for multi-line response to end from LMTP or SMTP */
2249 mbuf_len
= BIO_gets(fbio
, mbuf
, BUFSIZZ
);
2250 } while (mbuf_len
> 3 && mbuf
[3] == '-');
2251 if (protohost
== NULL
)
2252 protohost
= "mail.example.com";
2253 if (starttls_proto
== (int)PROTO_LMTP
)
2254 BIO_printf(fbio
, "LHLO %s\r\n", protohost
);
2256 BIO_printf(fbio
, "EHLO %s\r\n", protohost
);
2257 (void)BIO_flush(fbio
);
2259 * Wait for multi-line response to end LHLO LMTP or EHLO SMTP
2263 mbuf_len
= BIO_gets(fbio
, mbuf
, BUFSIZZ
);
2264 if (strstr(mbuf
, "STARTTLS"))
2266 } while (mbuf_len
> 3 && mbuf
[3] == '-');
2267 (void)BIO_flush(fbio
);
2272 "Didn't find STARTTLS in server response,"
2273 " trying anyway...\n");
2274 BIO_printf(sbio
, "STARTTLS\r\n");
2275 BIO_read(sbio
, sbuf
, BUFSIZZ
);
2280 BIO_read(sbio
, mbuf
, BUFSIZZ
);
2281 BIO_printf(sbio
, "STLS\r\n");
2282 mbuf_len
= BIO_read(sbio
, sbuf
, BUFSIZZ
);
2284 BIO_printf(bio_err
, "BIO_read failed\n");
2292 BIO
*fbio
= BIO_new(BIO_f_buffer());
2294 BIO_push(fbio
, sbio
);
2295 BIO_gets(fbio
, mbuf
, BUFSIZZ
);
2296 /* STARTTLS command requires CAPABILITY... */
2297 BIO_printf(fbio
, ". CAPABILITY\r\n");
2298 (void)BIO_flush(fbio
);
2299 /* wait for multi-line CAPABILITY response */
2301 mbuf_len
= BIO_gets(fbio
, mbuf
, BUFSIZZ
);
2302 if (strstr(mbuf
, "STARTTLS"))
2305 while (mbuf_len
> 3 && mbuf
[0] != '.');
2306 (void)BIO_flush(fbio
);
2311 "Didn't find STARTTLS in server response,"
2312 " trying anyway...\n");
2313 BIO_printf(sbio
, ". STARTTLS\r\n");
2314 BIO_read(sbio
, sbuf
, BUFSIZZ
);
2319 BIO
*fbio
= BIO_new(BIO_f_buffer());
2321 BIO_push(fbio
, sbio
);
2322 /* wait for multi-line response to end from FTP */
2324 mbuf_len
= BIO_gets(fbio
, mbuf
, BUFSIZZ
);
2326 while (mbuf_len
> 3 && (!isdigit(mbuf
[0]) || !isdigit(mbuf
[1]) || !isdigit(mbuf
[2]) || mbuf
[3] != ' '));
2327 (void)BIO_flush(fbio
);
2330 BIO_printf(sbio
, "AUTH TLS\r\n");
2331 BIO_read(sbio
, sbuf
, BUFSIZZ
);
2335 case PROTO_XMPP_SERVER
:
2338 BIO_printf(sbio
, "<stream:stream "
2339 "xmlns:stream='http://etherx.jabber.org/streams' "
2340 "xmlns='jabber:%s' to='%s' version='1.0'>",
2341 starttls_proto
== PROTO_XMPP
? "client" : "server",
2342 protohost
? protohost
: host
);
2343 seen
= BIO_read(sbio
, mbuf
, BUFSIZZ
);
2345 BIO_printf(bio_err
, "BIO_read failed\n");
2350 (mbuf
, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")
2352 "<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\""))
2354 seen
= BIO_read(sbio
, mbuf
, BUFSIZZ
);
2362 "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
2363 seen
= BIO_read(sbio
, sbuf
, BUFSIZZ
);
2365 BIO_printf(bio_err
, "BIO_read failed\n");
2369 if (!strstr(sbuf
, "<proceed"))
2376 static const unsigned char tls_do
[] = {
2377 /* IAC DO START_TLS */
2380 static const unsigned char tls_will
[] = {
2381 /* IAC WILL START_TLS */
2384 static const unsigned char tls_follows
[] = {
2385 /* IAC SB START_TLS FOLLOWS IAC SE */
2386 255, 250, 46, 1, 255, 240
2390 /* Telnet server should demand we issue START_TLS */
2391 bytes
= BIO_read(sbio
, mbuf
, BUFSIZZ
);
2392 if (bytes
!= 3 || memcmp(mbuf
, tls_do
, 3) != 0)
2394 /* Agree to issue START_TLS and send the FOLLOWS sub-command */
2395 BIO_write(sbio
, tls_will
, 3);
2396 BIO_write(sbio
, tls_follows
, 6);
2397 (void)BIO_flush(sbio
);
2398 /* Telnet server also sent the FOLLOWS sub-command */
2399 bytes
= BIO_read(sbio
, mbuf
, BUFSIZZ
);
2400 if (bytes
!= 6 || memcmp(mbuf
, tls_follows
, 6) != 0)
2405 if (!OSSL_HTTP_proxy_connect(sbio
, host
, port
, proxyuser
, proxypass
,
2406 0 /* no timeout */, bio_err
, prog
))
2412 BIO
*fbio
= BIO_new(BIO_f_buffer());
2414 BIO_push(fbio
, sbio
);
2415 BIO_printf(fbio
, "STARTTLS\r\n");
2416 (void)BIO_flush(fbio
);
2417 width
= SSL_get_fd(con
) + 1;
2423 openssl_fdset(SSL_get_fd(con
), &readfds
);
2424 timeout
.tv_sec
= S_CLIENT_IRC_READ_TIMEOUT
;
2425 timeout
.tv_usec
= 0;
2427 * If the IRCd doesn't respond within
2428 * S_CLIENT_IRC_READ_TIMEOUT seconds, assume
2429 * it doesn't support STARTTLS. Many IRCds
2430 * will not give _any_ sort of response to a
2431 * STARTTLS command when it's not supported.
2433 if (!BIO_get_buffer_num_lines(fbio
)
2434 && !BIO_pending(fbio
)
2435 && !BIO_pending(sbio
)
2436 && select(width
, (void *)&readfds
, NULL
, NULL
,
2439 "Timeout waiting for response (%d seconds).\n",
2440 S_CLIENT_IRC_READ_TIMEOUT
);
2444 mbuf_len
= BIO_gets(fbio
, mbuf
, BUFSIZZ
);
2445 if (mbuf_len
< 1 || sscanf(mbuf
, "%*s %d", &numeric
) != 1)
2447 /* :example.net 451 STARTTLS :You have not registered */
2448 /* :example.net 421 STARTTLS :Unknown command */
2449 if ((numeric
== 451 || numeric
== 421)
2450 && strstr(mbuf
, "STARTTLS") != NULL
) {
2451 BIO_printf(bio_err
, "STARTTLS not supported: %s", mbuf
);
2454 if (numeric
== 691) {
2455 BIO_printf(bio_err
, "STARTTLS negotiation failed: ");
2456 ERR_print_errors(bio_err
);
2459 } while (numeric
!= 670);
2461 (void)BIO_flush(fbio
);
2464 if (numeric
!= 670) {
2465 BIO_printf(bio_err
, "Server does not support STARTTLS.\n");
2473 /* SSL request packet */
2474 static const unsigned char ssl_req
[] = {
2475 /* payload_length, sequence_id */
2476 0x20, 0x00, 0x00, 0x01,
2478 /* capability flags, CLIENT_SSL always set */
2479 0x85, 0xae, 0x7f, 0x00,
2480 /* max-packet size */
2481 0x00, 0x00, 0x00, 0x01,
2484 /* string[23] reserved (all [0]) */
2485 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
2486 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
2487 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
2490 int ssl_flg
= 0x800;
2492 const unsigned char *packet
= (const unsigned char *)sbuf
;
2494 /* Receiving Initial Handshake packet. */
2495 bytes
= BIO_read(sbio
, (void *)packet
, BUFSIZZ
);
2497 BIO_printf(bio_err
, "BIO_read failed\n");
2499 /* Packet length[3], Packet number[1] + minimum payload[17] */
2500 } else if (bytes
< 21) {
2501 BIO_printf(bio_err
, "MySQL packet too short.\n");
2503 } else if (bytes
!= (4 + packet
[0] +
2505 (packet
[2] << 16))) {
2506 BIO_printf(bio_err
, "MySQL packet length does not match.\n");
2508 /* protocol version[1] */
2509 } else if (packet
[4] != 0xA) {
2511 "Only MySQL protocol version 10 is supported.\n");
2516 /* server version[string+NULL] */
2519 BIO_printf(bio_err
, "Cannot confirm server version. ");
2521 } else if (packet
[pos
++] == '\0') {
2526 /* make sure we have at least 15 bytes left in the packet */
2527 if (pos
+ 15 > bytes
) {
2529 "MySQL server handshake packet is broken.\n");
2533 pos
+= 12; /* skip over conn id[4] + SALT[8] */
2534 if (packet
[pos
++] != '\0') { /* verify filler */
2536 "MySQL packet is broken.\n");
2540 /* capability flags[2] */
2541 if (!((packet
[pos
] + (packet
[pos
+ 1] << 8)) & ssl_flg
)) {
2542 BIO_printf(bio_err
, "MySQL server does not support SSL.\n");
2546 /* Sending SSL Handshake packet. */
2547 BIO_write(sbio
, ssl_req
, sizeof(ssl_req
));
2548 (void)BIO_flush(sbio
);
2551 case PROTO_POSTGRES
:
2553 static const unsigned char ssl_request
[] = {
2554 /* Length SSLRequest */
2555 0, 0, 0, 8, 4, 210, 22, 47
2559 /* Send SSLRequest packet */
2560 BIO_write(sbio
, ssl_request
, 8);
2561 (void)BIO_flush(sbio
);
2563 /* Reply will be a single S if SSL is enabled */
2564 bytes
= BIO_read(sbio
, sbuf
, BUFSIZZ
);
2565 if (bytes
!= 1 || sbuf
[0] != 'S')
2572 BIO
*fbio
= BIO_new(BIO_f_buffer());
2574 BIO_push(fbio
, sbio
);
2575 BIO_gets(fbio
, mbuf
, BUFSIZZ
);
2576 /* STARTTLS command requires CAPABILITIES... */
2577 BIO_printf(fbio
, "CAPABILITIES\r\n");
2578 (void)BIO_flush(fbio
);
2579 BIO_gets(fbio
, mbuf
, BUFSIZZ
);
2580 /* no point in trying to parse the CAPABILITIES response if there is none */
2581 if (strstr(mbuf
, "101") != NULL
) {
2582 /* wait for multi-line CAPABILITIES response */
2584 mbuf_len
= BIO_gets(fbio
, mbuf
, BUFSIZZ
);
2585 if (strstr(mbuf
, "STARTTLS"))
2587 } while (mbuf_len
> 1 && mbuf
[0] != '.');
2589 (void)BIO_flush(fbio
);
2594 "Didn't find STARTTLS in server response,"
2595 " trying anyway...\n");
2596 BIO_printf(sbio
, "STARTTLS\r\n");
2597 mbuf_len
= BIO_read(sbio
, mbuf
, BUFSIZZ
);
2599 BIO_printf(bio_err
, "BIO_read failed\n");
2602 mbuf
[mbuf_len
] = '\0';
2603 if (strstr(mbuf
, "382") == NULL
) {
2604 BIO_printf(bio_err
, "STARTTLS failed: %s", mbuf
);
2612 BIO
*fbio
= BIO_new(BIO_f_buffer());
2614 BIO_push(fbio
, sbio
);
2615 /* wait for multi-line response to end from Sieve */
2617 mbuf_len
= BIO_gets(fbio
, mbuf
, BUFSIZZ
);
2619 * According to RFC 5804 § 1.7, capability
2620 * is case-insensitive, make it uppercase
2622 if (mbuf_len
> 1 && mbuf
[0] == '"') {
2623 make_uppercase(mbuf
);
2624 if (strncmp(mbuf
, "\"STARTTLS\"", 10) == 0)
2627 } while (mbuf_len
> 1 && mbuf
[0] == '"');
2628 (void)BIO_flush(fbio
);
2633 "Didn't find STARTTLS in server response,"
2634 " trying anyway...\n");
2635 BIO_printf(sbio
, "STARTTLS\r\n");
2636 mbuf_len
= BIO_read(sbio
, mbuf
, BUFSIZZ
);
2638 BIO_printf(bio_err
, "BIO_read failed\n");
2641 mbuf
[mbuf_len
] = '\0';
2643 BIO_printf(bio_err
, "STARTTLS failed: %s", mbuf
);
2647 * According to RFC 5804 § 2.2, response codes are case-
2648 * insensitive, make it uppercase but preserve the response.
2650 strncpy(sbuf
, mbuf
, 2);
2651 make_uppercase(sbuf
);
2652 if (strncmp(sbuf
, "OK", 2) != 0) {
2653 BIO_printf(bio_err
, "STARTTLS not supported: %s", mbuf
);
2660 /* StartTLS Operation according to RFC 4511 */
2661 static char ldap_tls_genconf
[] = "asn1=SEQUENCE:LDAPMessage\n"
2663 "messageID=INTEGER:1\n"
2664 "extendedReq=EXPLICIT:23A,IMPLICIT:0C,"
2665 "FORMAT:ASCII,OCT:1.3.6.1.4.1.1466.20037\n";
2667 char *genstr
= NULL
;
2669 ASN1_TYPE
*atyp
= NULL
;
2670 BIO
*ldapbio
= BIO_new(BIO_s_mem());
2671 CONF
*cnf
= NCONF_new(NULL
);
2677 BIO_puts(ldapbio
, ldap_tls_genconf
);
2678 if (NCONF_load_bio(cnf
, ldapbio
, &errline
) <= 0) {
2682 BIO_printf(bio_err
, "NCONF_load_bio failed\n");
2685 BIO_printf(bio_err
, "Error on line %ld\n", errline
);
2690 genstr
= NCONF_get_string(cnf
, "default", "asn1");
2691 if (genstr
== NULL
) {
2693 BIO_printf(bio_err
, "NCONF_get_string failed\n");
2696 atyp
= ASN1_generate_nconf(genstr
, cnf
);
2699 BIO_printf(bio_err
, "ASN1_generate_nconf failed\n");
2704 /* Send SSLRequest packet */
2705 BIO_write(sbio
, atyp
->value
.sequence
->data
,
2706 atyp
->value
.sequence
->length
);
2707 (void)BIO_flush(sbio
);
2708 ASN1_TYPE_free(atyp
);
2710 mbuf_len
= BIO_read(sbio
, mbuf
, BUFSIZZ
);
2712 BIO_printf(bio_err
, "BIO_read failed\n");
2715 result
= ldap_ExtendedResponse_parse(mbuf
, mbuf_len
);
2717 BIO_printf(bio_err
, "ldap_ExtendedResponse_parse failed\n");
2719 } else if (result
> 0) {
2720 BIO_printf(bio_err
, "STARTTLS failed, LDAP Result Code: %i\n",
2729 if (early_data_file
!= NULL
2730 && ((SSL_get0_session(con
) != NULL
2731 && SSL_SESSION_get_max_early_data(SSL_get0_session(con
)) > 0)
2733 && SSL_SESSION_get_max_early_data(psksess
) > 0))) {
2734 BIO
*edfile
= BIO_new_file(early_data_file
, "r");
2735 size_t readbytes
, writtenbytes
;
2738 if (edfile
== NULL
) {
2739 BIO_printf(bio_err
, "Cannot open early data file\n");
2744 if (!BIO_read_ex(edfile
, cbuf
, BUFSIZZ
, &readbytes
))
2747 while (!SSL_write_early_data(con
, cbuf
, readbytes
, &writtenbytes
)) {
2748 switch (SSL_get_error(con
, 0)) {
2749 case SSL_ERROR_WANT_WRITE
:
2750 case SSL_ERROR_WANT_ASYNC
:
2751 case SSL_ERROR_WANT_READ
:
2752 /* Just keep trying - busy waiting */
2755 BIO_printf(bio_err
, "Error writing early data\n");
2757 ERR_print_errors(bio_err
);
2770 if (SSL_is_dtls(con
) && DTLSv1_get_timeout(con
, &timeout
))
2771 timeoutp
= &timeout
;
2775 if (!SSL_is_init_finished(con
) && SSL_total_renegotiations(con
) == 0
2776 && SSL_get_key_update_type(con
) == SSL_KEY_UPDATE_NONE
) {
2785 BIO_puts(bio_err
, "CONNECTION ESTABLISHED\n");
2786 print_ssl_summary(con
);
2789 print_stuff(bio_c_out
, con
, full_log
);
2793 if (starttls_proto
) {
2794 BIO_write(bio_err
, mbuf
, mbuf_len
);
2795 /* We don't need to know any more */
2797 starttls_proto
= PROTO_OFF
;
2802 BIO_printf(bio_c_out
,
2803 "drop connection and then reconnect\n");
2804 do_ssl_shutdown(con
);
2805 SSL_set_connect_state(con
);
2806 BIO_closesocket(SSL_get_fd(con
));
2812 ssl_pending
= read_ssl
&& SSL_has_pending(con
);
2815 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
2818 * Note that select() returns when read _would not block_,
2819 * and EOF satisfies that. To avoid a CPU-hogging loop,
2820 * set the flag so we exit.
2822 if (read_tty
&& !at_eof
)
2823 openssl_fdset(fileno_stdin(), &readfds
);
2824 #if !defined(OPENSSL_SYS_VMS)
2826 openssl_fdset(fileno_stdout(), &writefds
);
2830 openssl_fdset(SSL_get_fd(con
), &readfds
);
2832 openssl_fdset(SSL_get_fd(con
), &writefds
);
2834 if (!tty_on
|| !write_tty
) {
2836 openssl_fdset(SSL_get_fd(con
), &readfds
);
2838 openssl_fdset(SSL_get_fd(con
), &writefds
);
2843 * Note: under VMS with SOCKETSHR the second parameter is
2844 * currently of type (int *) whereas under other systems it is
2845 * (void *) if you don't have a cast it will choke the compiler:
2846 * if you do have a cast then you can either go for (int *) or
2849 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2851 * Under Windows/DOS we make the assumption that we can always
2852 * write to the tty: therefore if we need to write to the tty we
2853 * just fall through. Otherwise we timeout the select every
2854 * second and see if there are any keypresses. Note: this is a
2855 * hack, in a proper Windows application we wouldn't do this.
2862 i
= select(width
, (void *)&readfds
, (void *)&writefds
,
2864 if (!i
&& (!has_stdin_waiting() || !read_tty
))
2867 i
= select(width
, (void *)&readfds
, (void *)&writefds
,
2871 i
= select(width
, (void *)&readfds
, (void *)&writefds
,
2875 BIO_printf(bio_err
, "bad select %d\n",
2876 get_last_socket_error());
2881 if (SSL_is_dtls(con
) && DTLSv1_handle_timeout(con
) > 0)
2882 BIO_printf(bio_err
, "TIMEOUT occurred\n");
2884 if (!ssl_pending
&& FD_ISSET(SSL_get_fd(con
), &writefds
)) {
2885 k
= SSL_write(con
, &(cbuf
[cbuf_off
]), (unsigned int)cbuf_len
);
2886 switch (SSL_get_error(con
, k
)) {
2887 case SSL_ERROR_NONE
:
2892 /* we have done a write(con,NULL,0); */
2893 if (cbuf_len
<= 0) {
2896 } else { /* if (cbuf_len > 0) */
2902 case SSL_ERROR_WANT_WRITE
:
2903 BIO_printf(bio_c_out
, "write W BLOCK\n");
2907 case SSL_ERROR_WANT_ASYNC
:
2908 BIO_printf(bio_c_out
, "write A BLOCK\n");
2909 wait_for_async(con
);
2913 case SSL_ERROR_WANT_READ
:
2914 BIO_printf(bio_c_out
, "write R BLOCK\n");
2919 case SSL_ERROR_WANT_X509_LOOKUP
:
2920 BIO_printf(bio_c_out
, "write X BLOCK\n");
2922 case SSL_ERROR_ZERO_RETURN
:
2923 if (cbuf_len
!= 0) {
2924 BIO_printf(bio_c_out
, "shutdown\n");
2933 case SSL_ERROR_SYSCALL
:
2934 if ((k
!= 0) || (cbuf_len
!= 0)) {
2935 BIO_printf(bio_err
, "write:errno=%d\n",
2936 get_last_socket_error());
2943 case SSL_ERROR_WANT_ASYNC_JOB
:
2944 /* This shouldn't ever happen in s_client - treat as an error */
2946 ERR_print_errors(bio_err
);
2950 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_VMS)
2951 /* Assume Windows/DOS/BeOS can always write */
2952 else if (!ssl_pending
&& write_tty
)
2954 else if (!ssl_pending
&& FD_ISSET(fileno_stdout(), &writefds
))
2957 #ifdef CHARSET_EBCDIC
2958 ascii2ebcdic(&(sbuf
[sbuf_off
]), &(sbuf
[sbuf_off
]), sbuf_len
);
2960 i
= raw_write_stdout(&(sbuf
[sbuf_off
]), sbuf_len
);
2963 BIO_printf(bio_c_out
, "DONE\n");
2970 if (sbuf_len
<= 0) {
2974 } else if (ssl_pending
|| FD_ISSET(SSL_get_fd(con
), &readfds
)) {
2979 SSL_renegotiate(con
);
2984 k
= SSL_read(con
, sbuf
, 1024 /* BUFSIZZ */ );
2986 switch (SSL_get_error(con
, k
)) {
2987 case SSL_ERROR_NONE
:
2996 case SSL_ERROR_WANT_ASYNC
:
2997 BIO_printf(bio_c_out
, "read A BLOCK\n");
2998 wait_for_async(con
);
3001 if ((read_tty
== 0) && (write_ssl
== 0))
3004 case SSL_ERROR_WANT_WRITE
:
3005 BIO_printf(bio_c_out
, "read W BLOCK\n");
3009 case SSL_ERROR_WANT_READ
:
3010 BIO_printf(bio_c_out
, "read R BLOCK\n");
3013 if ((read_tty
== 0) && (write_ssl
== 0))
3016 case SSL_ERROR_WANT_X509_LOOKUP
:
3017 BIO_printf(bio_c_out
, "read X BLOCK\n");
3019 case SSL_ERROR_SYSCALL
:
3020 ret
= get_last_socket_error();
3022 BIO_puts(bio_err
, "CONNECTION CLOSED BY SERVER\n");
3024 BIO_printf(bio_err
, "read:errno=%d\n", ret
);
3026 case SSL_ERROR_ZERO_RETURN
:
3027 BIO_printf(bio_c_out
, "closed\n");
3030 case SSL_ERROR_WANT_ASYNC_JOB
:
3031 /* This shouldn't ever happen in s_client. Treat as an error */
3033 ERR_print_errors(bio_err
);
3037 /* OPENSSL_SYS_MSDOS includes OPENSSL_SYS_WINDOWS */
3038 #if defined(OPENSSL_SYS_MSDOS)
3039 else if (has_stdin_waiting())
3041 else if (FD_ISSET(fileno_stdin(), &readfds
))
3047 i
= raw_read_stdin(cbuf
, BUFSIZZ
/ 2);
3049 /* both loops are skipped when i <= 0 */
3050 for (j
= 0; j
< i
; j
++)
3051 if (cbuf
[j
] == '\n')
3053 for (j
= i
- 1; j
>= 0; j
--) {
3054 cbuf
[j
+ lf_num
] = cbuf
[j
];
3055 if (cbuf
[j
] == '\n') {
3058 cbuf
[j
+ lf_num
] = '\r';
3061 assert(lf_num
== 0);
3063 i
= raw_read_stdin(cbuf
, BUFSIZZ
);
3064 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
3069 if ((!c_ign_eof
) && ((i
<= 0) || (cbuf
[0] == 'Q' && cmdletters
))) {
3070 BIO_printf(bio_err
, "DONE\n");
3075 if ((!c_ign_eof
) && (cbuf
[0] == 'R' && cmdletters
)) {
3076 BIO_printf(bio_err
, "RENEGOTIATING\n");
3077 SSL_renegotiate(con
);
3079 } else if (!c_ign_eof
&& (cbuf
[0] == 'K' || cbuf
[0] == 'k' )
3081 BIO_printf(bio_err
, "KEYUPDATE\n");
3083 cbuf
[0] == 'K' ? SSL_KEY_UPDATE_REQUESTED
3084 : SSL_KEY_UPDATE_NOT_REQUESTED
);
3089 #ifdef CHARSET_EBCDIC
3090 ebcdic2ascii(cbuf
, cbuf
, i
);
3102 print_stuff(bio_c_out
, con
, full_log
);
3103 do_ssl_shutdown(con
);
3106 * If we ended with an alert being sent, but still with data in the
3107 * network buffer to be read, then calling BIO_closesocket() will
3108 * result in a TCP-RST being sent. On some platforms (notably
3109 * Windows) then this will result in the peer immediately abandoning
3110 * the connection including any buffered alert data before it has
3111 * had a chance to be read. Shutting down the sending side first,
3112 * and then closing the socket sends TCP-FIN first followed by
3113 * TCP-RST. This seems to allow the peer to read the alert data.
3115 shutdown(SSL_get_fd(con
), 1); /* SHUT_WR */
3117 * We just said we have nothing else to say, but it doesn't mean that
3118 * the other side has nothing. It's even recommended to consume incoming
3119 * data. [In testing context this ensures that alerts are passed on...]
3122 timeout
.tv_usec
= 500000; /* some extreme round-trip */
3125 openssl_fdset(sock
, &readfds
);
3126 } while (select(sock
+ 1, &readfds
, NULL
, NULL
, &timeout
) > 0
3127 && BIO_read(sbio
, sbuf
, BUFSIZZ
) > 0);
3129 BIO_closesocket(SSL_get_fd(con
));
3133 print_stuff(bio_c_out
, con
, 1);
3136 SSL_SESSION_free(psksess
);
3137 #if !defined(OPENSSL_NO_NEXTPROTONEG)
3138 OPENSSL_free(next_proto
.data
);
3141 set_keylog_file(NULL
, NULL
);
3143 sk_X509_CRL_pop_free(crls
, X509_CRL_free
);
3145 sk_X509_pop_free(chain
, X509_free
);
3147 #ifndef OPENSSL_NO_SRP
3148 OPENSSL_free(srp_arg
.srppassin
);
3150 OPENSSL_free(connectstr
);
3151 OPENSSL_free(bindstr
);
3154 X509_VERIFY_PARAM_free(vpm
);
3155 ssl_excert_free(exc
);
3156 sk_OPENSSL_STRING_free(ssl_args
);
3157 sk_OPENSSL_STRING_free(dane_tlsa_rrset
);
3158 SSL_CONF_CTX_free(cctx
);
3159 OPENSSL_clear_free(cbuf
, BUFSIZZ
);
3160 OPENSSL_clear_free(sbuf
, BUFSIZZ
);
3161 OPENSSL_clear_free(mbuf
, BUFSIZZ
);
3162 if (proxypass
!= NULL
)
3163 OPENSSL_clear_free(proxypass
, strlen(proxypass
));
3165 BIO_free(bio_c_out
);
3167 BIO_free(bio_c_msg
);
3172 static void print_stuff(BIO
*bio
, SSL
*s
, int full
)
3176 const SSL_CIPHER
*c
;
3177 int i
, istls13
= (SSL_version(s
) == TLS1_3_VERSION
);
3179 #ifndef OPENSSL_NO_COMP
3180 const COMP_METHOD
*comp
, *expansion
;
3182 unsigned char *exportedkeymat
;
3183 #ifndef OPENSSL_NO_CT
3184 const SSL_CTX
*ctx
= SSL_get_SSL_CTX(s
);
3188 int got_a_chain
= 0;
3190 sk
= SSL_get_peer_cert_chain(s
);
3194 BIO_printf(bio
, "---\nCertificate chain\n");
3195 for (i
= 0; i
< sk_X509_num(sk
); i
++) {
3196 BIO_printf(bio
, "%2d s:", i
);
3197 X509_NAME_print_ex(bio
, X509_get_subject_name(sk_X509_value(sk
, i
)), 0, get_nameopt());
3198 BIO_puts(bio
, "\n");
3199 BIO_printf(bio
, " i:");
3200 X509_NAME_print_ex(bio
, X509_get_issuer_name(sk_X509_value(sk
, i
)), 0, get_nameopt());
3201 BIO_puts(bio
, "\n");
3203 PEM_write_bio_X509(bio
, sk_X509_value(sk
, i
));
3207 BIO_printf(bio
, "---\n");
3208 peer
= SSL_get_peer_certificate(s
);
3210 BIO_printf(bio
, "Server certificate\n");
3212 /* Redundant if we showed the whole chain */
3213 if (!(c_showcerts
&& got_a_chain
))
3214 PEM_write_bio_X509(bio
, peer
);
3215 dump_cert_text(bio
, peer
);
3217 BIO_printf(bio
, "no peer certificate available\n");
3219 print_ca_names(bio
, s
);
3221 ssl_print_sigalgs(bio
, s
);
3222 ssl_print_tmp_key(bio
, s
);
3224 #ifndef OPENSSL_NO_CT
3226 * When the SSL session is anonymous, or resumed via an abbreviated
3227 * handshake, no SCTs are provided as part of the handshake. While in
3228 * a resumed session SCTs may be present in the session's certificate,
3229 * no callbacks are invoked to revalidate these, and in any case that
3230 * set of SCTs may be incomplete. Thus it makes little sense to
3231 * attempt to display SCTs from a resumed session's certificate, and of
3232 * course none are associated with an anonymous peer.
3234 if (peer
!= NULL
&& !SSL_session_reused(s
) && SSL_ct_is_enabled(s
)) {
3235 const STACK_OF(SCT
) *scts
= SSL_get0_peer_scts(s
);
3236 int sct_count
= scts
!= NULL
? sk_SCT_num(scts
) : 0;
3238 BIO_printf(bio
, "---\nSCTs present (%i)\n", sct_count
);
3239 if (sct_count
> 0) {
3240 const CTLOG_STORE
*log_store
= SSL_CTX_get0_ctlog_store(ctx
);
3242 BIO_printf(bio
, "---\n");
3243 for (i
= 0; i
< sct_count
; ++i
) {
3244 SCT
*sct
= sk_SCT_value(scts
, i
);
3246 BIO_printf(bio
, "SCT validation status: %s\n",
3247 SCT_validation_status_string(sct
));
3248 SCT_print(sct
, bio
, 0, log_store
);
3249 if (i
< sct_count
- 1)
3250 BIO_printf(bio
, "\n---\n");
3252 BIO_printf(bio
, "\n");
3258 "---\nSSL handshake has read %ju bytes "
3259 "and written %ju bytes\n",
3260 BIO_number_read(SSL_get_rbio(s
)),
3261 BIO_number_written(SSL_get_wbio(s
)));
3263 print_verify_detail(s
, bio
);
3264 BIO_printf(bio
, (SSL_session_reused(s
) ? "---\nReused, " : "---\nNew, "));
3265 c
= SSL_get_current_cipher(s
);
3266 BIO_printf(bio
, "%s, Cipher is %s\n",
3267 SSL_CIPHER_get_version(c
), SSL_CIPHER_get_name(c
));
3271 pktmp
= X509_get0_pubkey(peer
);
3272 BIO_printf(bio
, "Server public key is %d bit\n",
3273 EVP_PKEY_bits(pktmp
));
3275 BIO_printf(bio
, "Secure Renegotiation IS%s supported\n",
3276 SSL_get_secure_renegotiation_support(s
) ? "" : " NOT");
3277 #ifndef OPENSSL_NO_COMP
3278 comp
= SSL_get_current_compression(s
);
3279 expansion
= SSL_get_current_expansion(s
);
3280 BIO_printf(bio
, "Compression: %s\n",
3281 comp
? SSL_COMP_get_name(comp
) : "NONE");
3282 BIO_printf(bio
, "Expansion: %s\n",
3283 expansion
? SSL_COMP_get_name(expansion
) : "NONE");
3285 #ifndef OPENSSL_NO_KTLS
3286 if (BIO_get_ktls_send(SSL_get_wbio(s
)))
3287 BIO_printf(bio_err
, "Using Kernel TLS for sending\n");
3288 if (BIO_get_ktls_recv(SSL_get_rbio(s
)))
3289 BIO_printf(bio_err
, "Using Kernel TLS for receiving\n");
3292 if (OSSL_TRACE_ENABLED(TLS
)) {
3293 /* Print out local port of connection: useful for debugging */
3295 union BIO_sock_info_u info
;
3297 sock
= SSL_get_fd(s
);
3298 if ((info
.addr
= BIO_ADDR_new()) != NULL
3299 && BIO_sock_info(sock
, BIO_SOCK_INFO_ADDRESS
, &info
)) {
3300 BIO_printf(bio_c_out
, "LOCAL PORT is %u\n",
3301 ntohs(BIO_ADDR_rawport(info
.addr
)));
3303 BIO_ADDR_free(info
.addr
);
3306 #if !defined(OPENSSL_NO_NEXTPROTONEG)
3307 if (next_proto
.status
!= -1) {
3308 const unsigned char *proto
;
3309 unsigned int proto_len
;
3310 SSL_get0_next_proto_negotiated(s
, &proto
, &proto_len
);
3311 BIO_printf(bio
, "Next protocol: (%d) ", next_proto
.status
);
3312 BIO_write(bio
, proto
, proto_len
);
3313 BIO_write(bio
, "\n", 1);
3317 const unsigned char *proto
;
3318 unsigned int proto_len
;
3319 SSL_get0_alpn_selected(s
, &proto
, &proto_len
);
3320 if (proto_len
> 0) {
3321 BIO_printf(bio
, "ALPN protocol: ");
3322 BIO_write(bio
, proto
, proto_len
);
3323 BIO_write(bio
, "\n", 1);
3325 BIO_printf(bio
, "No ALPN negotiated\n");
3328 #ifndef OPENSSL_NO_SRTP
3330 SRTP_PROTECTION_PROFILE
*srtp_profile
=
3331 SSL_get_selected_srtp_profile(s
);
3334 BIO_printf(bio
, "SRTP Extension negotiated, profile=%s\n",
3335 srtp_profile
->name
);
3340 switch (SSL_get_early_data_status(s
)) {
3341 case SSL_EARLY_DATA_NOT_SENT
:
3342 BIO_printf(bio
, "Early data was not sent\n");
3345 case SSL_EARLY_DATA_REJECTED
:
3346 BIO_printf(bio
, "Early data was rejected\n");
3349 case SSL_EARLY_DATA_ACCEPTED
:
3350 BIO_printf(bio
, "Early data was accepted\n");
3356 * We also print the verify results when we dump session information,
3357 * but in TLSv1.3 we may not get that right away (or at all) depending
3358 * on when we get a NewSessionTicket. Therefore we print it now as well.
3360 verify_result
= SSL_get_verify_result(s
);
3361 BIO_printf(bio
, "Verify return code: %ld (%s)\n", verify_result
,
3362 X509_verify_cert_error_string(verify_result
));
3364 /* In TLSv1.3 we do this on arrival of a NewSessionTicket */
3365 SSL_SESSION_print(bio
, SSL_get_session(s
));
3368 if (SSL_get_session(s
) != NULL
&& keymatexportlabel
!= NULL
) {
3369 BIO_printf(bio
, "Keying material exporter:\n");
3370 BIO_printf(bio
, " Label: '%s'\n", keymatexportlabel
);
3371 BIO_printf(bio
, " Length: %i bytes\n", keymatexportlen
);
3372 exportedkeymat
= app_malloc(keymatexportlen
, "export key");
3373 if (!SSL_export_keying_material(s
, exportedkeymat
,
3376 strlen(keymatexportlabel
),
3378 BIO_printf(bio
, " Error\n");
3380 BIO_printf(bio
, " Keying material: ");
3381 for (i
= 0; i
< keymatexportlen
; i
++)
3382 BIO_printf(bio
, "%02X", exportedkeymat
[i
]);
3383 BIO_printf(bio
, "\n");
3385 OPENSSL_free(exportedkeymat
);
3387 BIO_printf(bio
, "---\n");
3389 /* flush, or debugging output gets mixed with http response */
3390 (void)BIO_flush(bio
);
3393 # ifndef OPENSSL_NO_OCSP
3394 static int ocsp_resp_cb(SSL
*s
, void *arg
)
3396 const unsigned char *p
;
3399 len
= SSL_get_tlsext_status_ocsp_resp(s
, &p
);
3400 BIO_puts(arg
, "OCSP response: ");
3402 BIO_puts(arg
, "no response sent\n");
3405 rsp
= d2i_OCSP_RESPONSE(NULL
, &p
, len
);
3407 BIO_puts(arg
, "response parse error\n");
3408 BIO_dump_indent(arg
, (char *)p
, len
, 4);
3411 BIO_puts(arg
, "\n======================================\n");
3412 OCSP_RESPONSE_print(arg
, rsp
, 0);
3413 BIO_puts(arg
, "======================================\n");
3414 OCSP_RESPONSE_free(rsp
);
3419 static int ldap_ExtendedResponse_parse(const char *buf
, long rem
)
3421 const unsigned char *cur
, *end
;
3423 int tag
, xclass
, inf
, ret
= -1;
3425 cur
= (const unsigned char *)buf
;
3431 * LDAPMessage ::= SEQUENCE {
3432 * messageID MessageID,
3433 * protocolOp CHOICE {
3435 * extendedResp ExtendedResponse,
3437 * controls [0] Controls OPTIONAL }
3439 * ExtendedResponse ::= [APPLICATION 24] SEQUENCE {
3440 * COMPONENTS OF LDAPResult,
3441 * responseName [10] LDAPOID OPTIONAL,
3442 * responseValue [11] OCTET STRING OPTIONAL }
3444 * LDAPResult ::= SEQUENCE {
3445 * resultCode ENUMERATED {
3451 * diagnosticMessage LDAPString,
3452 * referral [3] Referral OPTIONAL }
3456 inf
= ASN1_get_object(&cur
, &len
, &tag
, &xclass
, rem
);
3457 if (inf
!= V_ASN1_CONSTRUCTED
|| tag
!= V_ASN1_SEQUENCE
||
3458 (rem
= end
- cur
, len
> rem
)) {
3459 BIO_printf(bio_err
, "Unexpected LDAP response\n");
3463 rem
= len
; /* ensure that we don't overstep the SEQUENCE */
3465 /* pull MessageID */
3466 inf
= ASN1_get_object(&cur
, &len
, &tag
, &xclass
, rem
);
3467 if (inf
!= V_ASN1_UNIVERSAL
|| tag
!= V_ASN1_INTEGER
||
3468 (rem
= end
- cur
, len
> rem
)) {
3469 BIO_printf(bio_err
, "No MessageID\n");
3473 cur
+= len
; /* shall we check for MessageId match or just skip? */
3475 /* pull [APPLICATION 24] */
3477 inf
= ASN1_get_object(&cur
, &len
, &tag
, &xclass
, rem
);
3478 if (inf
!= V_ASN1_CONSTRUCTED
|| xclass
!= V_ASN1_APPLICATION
||
3480 BIO_printf(bio_err
, "Not ExtendedResponse\n");
3484 /* pull resultCode */
3486 inf
= ASN1_get_object(&cur
, &len
, &tag
, &xclass
, rem
);
3487 if (inf
!= V_ASN1_UNIVERSAL
|| tag
!= V_ASN1_ENUMERATED
|| len
== 0 ||
3488 (rem
= end
- cur
, len
> rem
)) {
3489 BIO_printf(bio_err
, "Not LDAPResult\n");
3493 /* len should always be one, but just in case... */
3494 for (ret
= 0, inf
= 0; inf
< len
; inf
++) {
3498 /* There is more data, but we don't care... */
3504 * Host dNS Name verifier: used for checking that the hostname is in dNS format
3505 * before setting it as SNI
3507 static int is_dNS_name(const char *host
)
3509 const size_t MAX_LABEL_LENGTH
= 63;
3512 size_t length
= strlen(host
);
3513 size_t label_length
= 0;
3514 int all_numeric
= 1;
3517 * Deviation from strict DNS name syntax, also check names with '_'
3518 * Check DNS name syntax, any '-' or '.' must be internal,
3519 * and on either side of each '.' we can't have a '-' or '.'.
3521 * If the name has just one label, we don't consider it a DNS name.
3523 for (i
= 0; i
< length
&& label_length
< MAX_LABEL_LENGTH
; ++i
) {
3526 if ((c
>= 'a' && c
<= 'z')
3527 || (c
>= 'A' && c
<= 'Z')
3534 if (c
>= '0' && c
<= '9') {
3539 /* Dot and hyphen cannot be first or last. */
3540 if (i
> 0 && i
< length
- 1) {
3546 * Next to a dot the preceding and following characters must not be
3547 * another dot or a hyphen. Otherwise, record that the name is
3548 * plausible, since it has two or more labels.
3551 && host
[i
+ 1] != '.'
3552 && host
[i
- 1] != '-'
3553 && host
[i
+ 1] != '-') {
3563 /* dNS name must not be all numeric and labels must be shorter than 64 characters. */
3564 isdnsname
&= !all_numeric
&& !(label_length
== MAX_LABEL_LENGTH
);
3568 #endif /* OPENSSL_NO_SOCK */