2 * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the OpenSSL license (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
10 /* ====================================================================
11 * Copyright 2005 Nokia. All rights reserved.
13 * The portions of the attached software ("Contribution") is developed by
14 * Nokia Corporation and is licensed pursuant to the OpenSSL open source
17 * The Contribution, originally written by Mika Kousa and Pasi Eronen of
18 * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
19 * support (see RFC 4279) to OpenSSL.
21 * No patent licenses or other rights except those expressly stated in
22 * the OpenSSL open source license shall be deemed granted or received
23 * expressly, by implication, estoppel, or otherwise.
25 * No assurances are provided by Nokia that the Contribution does not
26 * infringe the patent or other intellectual property rights of any third
27 * party or that the license provides you with all the necessary rights
28 * to make use of the Contribution.
30 * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
31 * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
32 * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
33 * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
42 #include <openssl/e_os2.h>
44 #ifndef OPENSSL_NO_SOCK
47 * With IPv6, it looks like Digital has mixed up the proper order of
48 * recursive header file inclusion, resulting in the compiler complaining
49 * that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which is
50 * needed to have fileno() declared correctly... So let's define u_int
52 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
54 typedef unsigned int u_int;
59 #include <openssl/x509.h>
60 #include <openssl/ssl.h>
61 #include <openssl/err.h>
62 #include <openssl/pem.h>
63 #include <openssl/rand.h>
64 #include <openssl/ocsp.h>
65 #include <openssl/bn.h>
66 #include <openssl/async.h>
67 #ifndef OPENSSL_NO_SRP
68 # include <openssl/srp.h>
71 # include <openssl/ct.h>
76 #if defined(__has_feature)
77 # if __has_feature(memory_sanitizer)
78 # include <sanitizer/msan_interface.h>
83 #define BUFSIZZ 1024*8
84 #define S_CLIENT_IRC_READ_TIMEOUT 8
87 static int c_debug = 0;
88 static int c_showcerts = 0;
89 static char *keymatexportlabel = NULL;
90 static int keymatexportlen = 20;
91 static BIO *bio_c_out = NULL;
92 static int c_quiet = 0;
93 static char *sess_out = NULL;
95 static void print_stuff(BIO *berr, SSL *con, int full);
96 #ifndef OPENSSL_NO_OCSP
97 static int ocsp_resp_cb(SSL *s, void *arg);
100 static int saved_errno;
102 static void save_errno(void)
108 static int restore_errno(void)
115 static void do_ssl_shutdown(SSL *ssl)
120 /* We only do unidirectional shutdown */
121 ret = SSL_shutdown(ssl);
123 switch (SSL_get_error(ssl, ret)) {
124 case SSL_ERROR_WANT_READ:
125 case SSL_ERROR_WANT_WRITE:
126 case SSL_ERROR_WANT_ASYNC:
127 case SSL_ERROR_WANT_ASYNC_JOB:
128 /* We just do busy waiting. Nothing clever */
136 #ifndef OPENSSL_NO_PSK
137 /* Default PSK identity and key */
138 static char *psk_identity = "Client_identity";
140 * char *psk_key=NULL; by default PSK is not used
143 static unsigned int psk_client_cb(SSL *ssl, const char *hint, char *identity,
144 unsigned int max_identity_len,
146 unsigned int max_psk_len)
153 BIO_printf(bio_c_out, "psk_client_cb\n");
155 /* no ServerKeyExchange message */
157 BIO_printf(bio_c_out,
158 "NULL received PSK identity hint, continuing anyway\n");
160 BIO_printf(bio_c_out, "Received PSK identity hint '%s'\n", hint);
163 * lookup PSK identity and PSK key based on the given identity hint here
165 ret = BIO_snprintf(identity, max_identity_len, "%s", psk_identity);
166 if (ret < 0 || (unsigned int)ret > max_identity_len)
169 BIO_printf(bio_c_out, "created identity '%s' len=%d\n", identity,
172 /* convert the PSK key to binary */
173 key = OPENSSL_hexstr2buf(psk_key, &key_len);
175 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n",
179 if (key_len > max_psk_len) {
181 "psk buffer of callback is too small (%d) for key (%ld)\n",
182 max_psk_len, key_len);
187 memcpy(psk, key, key_len);
191 BIO_printf(bio_c_out, "created PSK len=%ld\n", key_len);
196 BIO_printf(bio_err, "Error in PSK client callback\n");
201 /* This is a context that we pass to callbacks */
202 typedef struct tlsextctx_st {
207 static int ssl_servername_cb(SSL *s, int *ad, void *arg)
209 tlsextctx *p = (tlsextctx *) arg;
210 const char *hn = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
211 if (SSL_get_servername_type(s) != -1)
212 p->ack = !SSL_session_reused(s) && hn != NULL;
214 BIO_printf(bio_err, "Can't use SSL_get_servername\n");
216 return SSL_TLSEXT_ERR_OK;
219 #ifndef OPENSSL_NO_SRP
221 /* This is a context that we pass to all callbacks */
222 typedef struct srp_arg_st {
225 int msg; /* copy from c_msg */
226 int debug; /* copy from c_debug */
227 int amp; /* allow more groups */
228 int strength; /* minimal size for N */
231 # define SRP_NUMBER_ITERATIONS_FOR_PRIME 64
233 static int srp_Verify_N_and_g(const BIGNUM *N, const BIGNUM *g)
235 BN_CTX *bn_ctx = BN_CTX_new();
236 BIGNUM *p = BN_new();
237 BIGNUM *r = BN_new();
239 g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) &&
240 BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) == 1 &&
241 p != NULL && BN_rshift1(p, N) &&
243 BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) == 1 &&
245 /* verify g^((N-1)/2) == -1 (mod N) */
246 BN_mod_exp(r, g, p, N, bn_ctx) &&
247 BN_add_word(r, 1) && BN_cmp(r, N) == 0;
256 * This callback is used here for two purposes:
257 * - extended debugging
258 * - making some primality tests for unknown groups
259 * The callback is only called for a non default group.
261 * An application does not need the call back at all if
262 * only the standard groups are used. In real life situations,
263 * client and server already share well known groups,
264 * thus there is no need to verify them.
265 * Furthermore, in case that a server actually proposes a group that
266 * is not one of those defined in RFC 5054, it is more appropriate
267 * to add the group to a static list and then compare since
268 * primality tests are rather cpu consuming.
271 static int ssl_srp_verify_param_cb(SSL *s, void *arg)
273 SRP_ARG *srp_arg = (SRP_ARG *)arg;
274 BIGNUM *N = NULL, *g = NULL;
276 if (((N = SSL_get_srp_N(s)) == NULL) || ((g = SSL_get_srp_g(s)) == NULL))
278 if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1) {
279 BIO_printf(bio_err, "SRP parameters:\n");
280 BIO_printf(bio_err, "\tN=");
281 BN_print(bio_err, N);
282 BIO_printf(bio_err, "\n\tg=");
283 BN_print(bio_err, g);
284 BIO_printf(bio_err, "\n");
287 if (SRP_check_known_gN_param(g, N))
290 if (srp_arg->amp == 1) {
293 "SRP param N and g are not known params, going to check deeper.\n");
296 * The srp_moregroups is a real debugging feature. Implementors
297 * should rather add the value to the known ones. The minimal size
298 * has already been tested.
300 if (BN_num_bits(g) <= BN_BITS && srp_Verify_N_and_g(N, g))
303 BIO_printf(bio_err, "SRP param N and g rejected.\n");
307 # define PWD_STRLEN 1024
309 static char *ssl_give_srp_client_pwd_cb(SSL *s, void *arg)
311 SRP_ARG *srp_arg = (SRP_ARG *)arg;
312 char *pass = app_malloc(PWD_STRLEN + 1, "SRP password buffer");
316 cb_tmp.password = (char *)srp_arg->srppassin;
317 cb_tmp.prompt_info = "SRP user";
318 if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp)) < 0) {
319 BIO_printf(bio_err, "Can't read Password\n");
330 static char *srtp_profiles = NULL;
332 #ifndef OPENSSL_NO_NEXTPROTONEG
333 /* This the context that we pass to next_proto_cb */
334 typedef struct tlsextnextprotoctx_st {
338 } tlsextnextprotoctx;
340 static tlsextnextprotoctx next_proto;
342 static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen,
343 const unsigned char *in, unsigned int inlen,
346 tlsextnextprotoctx *ctx = arg;
349 /* We can assume that |in| is syntactically valid. */
351 BIO_printf(bio_c_out, "Protocols advertised by server: ");
352 for (i = 0; i < inlen;) {
354 BIO_write(bio_c_out, ", ", 2);
355 BIO_write(bio_c_out, &in[i + 1], in[i]);
358 BIO_write(bio_c_out, "\n", 1);
362 SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len);
363 return SSL_TLSEXT_ERR_OK;
365 #endif /* ndef OPENSSL_NO_NEXTPROTONEG */
367 static int serverinfo_cli_parse_cb(SSL *s, unsigned int ext_type,
368 const unsigned char *in, size_t inlen,
372 unsigned char ext_buf[4 + 65536];
374 /* Reconstruct the type/len fields prior to extension data */
375 ext_buf[0] = ext_type >> 8;
376 ext_buf[1] = ext_type & 0xFF;
377 ext_buf[2] = inlen >> 8;
378 ext_buf[3] = inlen & 0xFF;
379 memcpy(ext_buf + 4, in, inlen);
381 BIO_snprintf(pem_name, sizeof(pem_name), "SERVERINFO FOR EXTENSION %d",
383 PEM_write_bio(bio_c_out, pem_name, "", ext_buf, 4 + inlen);
388 * Hex decoder that tolerates optional whitespace. Returns number of bytes
389 * produced, advances inptr to end of input string.
391 static ossl_ssize_t hexdecode(const char **inptr, void *result)
393 unsigned char **out = (unsigned char **)result;
394 const char *in = *inptr;
395 unsigned char *ret = app_malloc(strlen(in) / 2, "hexdecode");
396 unsigned char *cp = ret;
403 for (byte = 0; *in; ++in) {
406 if (isspace(_UC(*in)))
408 x = OPENSSL_hexchar2int(*in);
414 if ((nibble ^= 1) == 0) {
427 return cp - (*out = ret);
431 * Decode unsigned 0..255, returns 1 on success, <= 0 on failure. Advances
432 * inptr to next field skipping leading whitespace.
434 static ossl_ssize_t checked_uint8(const char **inptr, void *out)
436 uint8_t *result = (uint8_t *)out;
437 const char *in = *inptr;
443 v = strtol(in, &endp, 10);
446 if (((v == LONG_MIN || v == LONG_MAX) && e == ERANGE) ||
447 endp == in || !isspace(_UC(*endp)) ||
448 v != (*result = (uint8_t) v)) {
451 for (in = endp; isspace(_UC(*in)); ++in)
461 ossl_ssize_t (*parser)(const char **, void *);
464 static int tlsa_import_rr(SSL *con, const char *rrdata)
466 /* Not necessary to re-init these values; the "parsers" do that. */
467 static uint8_t usage;
468 static uint8_t selector;
469 static uint8_t mtype;
470 static unsigned char *data;
471 static struct tlsa_field tlsa_fields[] = {
472 { &usage, "usage", checked_uint8 },
473 { &selector, "selector", checked_uint8 },
474 { &mtype, "mtype", checked_uint8 },
475 { &data, "data", hexdecode },
478 struct tlsa_field *f;
480 const char *cp = rrdata;
481 ossl_ssize_t len = 0;
483 for (f = tlsa_fields; f->var; ++f) {
484 /* Returns number of bytes produced, advances cp to next field */
485 if ((len = f->parser(&cp, f->var)) <= 0) {
486 BIO_printf(bio_err, "%s: warning: bad TLSA %s field in: %s\n",
487 prog, f->name, rrdata);
491 /* The data field is last, so len is its length */
492 ret = SSL_dane_tlsa_add(con, usage, selector, mtype, data, len);
496 ERR_print_errors(bio_err);
497 BIO_printf(bio_err, "%s: warning: unusable TLSA rrdata: %s\n",
502 ERR_print_errors(bio_err);
503 BIO_printf(bio_err, "%s: warning: error loading TLSA rrdata: %s\n",
510 static int tlsa_import_rrset(SSL *con, STACK_OF(OPENSSL_STRING) *rrset)
512 int num = sk_OPENSSL_STRING_num(rrset);
516 for (i = 0; i < num; ++i) {
517 char *rrdata = sk_OPENSSL_STRING_value(rrset, i);
518 if (tlsa_import_rr(con, rrdata) > 0)
524 typedef enum OPTION_choice {
525 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
526 OPT_4, OPT_6, OPT_HOST, OPT_PORT, OPT_CONNECT, OPT_UNIX,
527 OPT_XMPPHOST, OPT_VERIFY,
528 OPT_CERT, OPT_CRL, OPT_CRL_DOWNLOAD, OPT_SESS_OUT, OPT_SESS_IN,
529 OPT_CERTFORM, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET,
530 OPT_BRIEF, OPT_PREXIT, OPT_CRLF, OPT_QUIET, OPT_NBIO,
531 OPT_SSL_CLIENT_ENGINE, OPT_RAND, OPT_IGN_EOF, OPT_NO_IGN_EOF,
532 OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_WDEBUG,
533 OPT_MSG, OPT_MSGFILE, OPT_ENGINE, OPT_TRACE, OPT_SECURITY_DEBUG,
534 OPT_SECURITY_DEBUG_VERBOSE, OPT_SHOWCERTS, OPT_NBIO_TEST, OPT_STATE,
535 #ifndef OPENSSL_NO_PSK
536 OPT_PSK_IDENTITY, OPT_PSK,
538 #ifndef OPENSSL_NO_SRP
539 OPT_SRPUSER, OPT_SRPPASS, OPT_SRP_STRENGTH, OPT_SRP_LATEUSER,
542 OPT_SSL3, OPT_SSL_CONFIG,
543 OPT_TLS1_3, OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1,
544 OPT_DTLS1_2, OPT_TIMEOUT, OPT_MTU, OPT_KEYFORM, OPT_PASS,
545 OPT_CERT_CHAIN, OPT_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH,
547 OPT_KEY, OPT_RECONNECT, OPT_BUILD_CHAIN, OPT_CAFILE, OPT_NOCAFILE,
548 OPT_CHAINCAFILE, OPT_VERIFYCAFILE, OPT_NEXTPROTONEG, OPT_ALPN,
549 OPT_SERVERINFO, OPT_STARTTLS, OPT_SERVERNAME,
550 OPT_USE_SRTP, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN, OPT_SMTPHOST,
551 OPT_ASYNC, OPT_SPLIT_SEND_FRAG, OPT_MAX_PIPELINES, OPT_READ_BUF,
555 OPT_FALLBACKSCSV, OPT_NOCMDS, OPT_PROXY, OPT_DANE_TLSA_DOMAIN,
556 #ifndef OPENSSL_NO_CT
557 OPT_CT, OPT_NOCT, OPT_CTLOG_FILE,
559 OPT_DANE_TLSA_RRDATA, OPT_DANE_EE_NO_NAME
562 const OPTIONS s_client_options[] = {
563 {"help", OPT_HELP, '-', "Display this summary"},
564 {"host", OPT_HOST, 's', "Use -connect instead"},
565 {"port", OPT_PORT, 'p', "Use -connect instead"},
566 {"connect", OPT_CONNECT, 's',
567 "TCP/IP where to connect (default is :" PORT ")"},
568 {"proxy", OPT_PROXY, 's',
569 "Connect to via specified proxy to the real server"},
571 {"unix", OPT_UNIX, 's', "Connect over the specified Unix-domain socket"},
573 {"4", OPT_4, '-', "Use IPv4 only"},
575 {"6", OPT_6, '-', "Use IPv6 only"},
577 {"verify", OPT_VERIFY, 'p', "Turn on peer certificate verification"},
578 {"cert", OPT_CERT, '<', "Certificate file to use, PEM format assumed"},
579 {"certform", OPT_CERTFORM, 'F',
580 "Certificate format (PEM or DER) PEM default"},
581 {"key", OPT_KEY, 's', "Private key file to use, if not in -cert file"},
582 {"keyform", OPT_KEYFORM, 'E', "Key format (PEM, DER or engine) PEM default"},
583 {"pass", OPT_PASS, 's', "Private key file pass phrase source"},
584 {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
585 {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
586 {"no-CAfile", OPT_NOCAFILE, '-',
587 "Do not load the default certificates file"},
588 {"no-CApath", OPT_NOCAPATH, '-',
589 "Do not load certificates from the default certificates directory"},
590 {"dane_tlsa_domain", OPT_DANE_TLSA_DOMAIN, 's', "DANE TLSA base domain"},
591 {"dane_tlsa_rrdata", OPT_DANE_TLSA_RRDATA, 's',
592 "DANE TLSA rrdata presentation form"},
593 {"dane_ee_no_namechecks", OPT_DANE_EE_NO_NAME, '-',
594 "Disable name checks when matching DANE-EE(3) TLSA records"},
595 {"reconnect", OPT_RECONNECT, '-',
596 "Drop and re-make the connection with the same Session-ID"},
597 {"showcerts", OPT_SHOWCERTS, '-', "Show all certificates in the chain"},
598 {"debug", OPT_DEBUG, '-', "Extra output"},
599 {"msg", OPT_MSG, '-', "Show protocol messages"},
600 {"msgfile", OPT_MSGFILE, '>',
601 "File to send output of -msg or -trace, instead of stdout"},
602 {"nbio_test", OPT_NBIO_TEST, '-', "More ssl protocol testing"},
603 {"state", OPT_STATE, '-', "Print the ssl states"},
604 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"},
605 {"quiet", OPT_QUIET, '-', "No s_client output"},
606 {"ign_eof", OPT_IGN_EOF, '-', "Ignore input eof (default when -quiet)"},
607 {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Don't ignore input eof"},
608 {"starttls", OPT_STARTTLS, 's',
609 "Use the appropriate STARTTLS command before starting TLS"},
610 {"xmpphost", OPT_XMPPHOST, 's',
611 "Host to use with \"-starttls xmpp[-server]\""},
612 {"rand", OPT_RAND, 's',
613 "Load the file(s) into the random number generator"},
614 {"sess_out", OPT_SESS_OUT, '>', "File to write SSL session to"},
615 {"sess_in", OPT_SESS_IN, '<', "File to read SSL session from"},
616 {"use_srtp", OPT_USE_SRTP, 's',
617 "Offer SRTP key management with a colon-separated profile list"},
618 {"keymatexport", OPT_KEYMATEXPORT, 's',
619 "Export keying material using label"},
620 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
621 "Export len bytes of keying material (default 20)"},
622 {"fallback_scsv", OPT_FALLBACKSCSV, '-', "Send the fallback SCSV"},
623 {"name", OPT_SMTPHOST, 's',
624 "Hostname to use for \"-starttls lmtp\" or \"-starttls smtp\""},
625 {"CRL", OPT_CRL, '<', "CRL file to use"},
626 {"crl_download", OPT_CRL_DOWNLOAD, '-', "Download CRL from distribution points"},
627 {"CRLform", OPT_CRLFORM, 'F', "CRL format (PEM or DER) PEM is default"},
628 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-',
629 "Close connection on verification error"},
630 {"verify_quiet", OPT_VERIFY_QUIET, '-', "Restrict verify output to errors"},
631 {"brief", OPT_BRIEF, '-',
632 "Restrict output to brief summary of connection parameters"},
633 {"prexit", OPT_PREXIT, '-',
634 "Print session information when the program exits"},
635 {"security_debug", OPT_SECURITY_DEBUG, '-',
636 "Enable security debug messages"},
637 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-',
638 "Output more security debug output"},
639 {"cert_chain", OPT_CERT_CHAIN, '<',
640 "Certificate chain file (in PEM format)"},
641 {"chainCApath", OPT_CHAINCAPATH, '/',
642 "Use dir as certificate store path to build CA certificate chain"},
643 {"verifyCApath", OPT_VERIFYCAPATH, '/',
644 "Use dir as certificate store path to verify CA certificate"},
645 {"build_chain", OPT_BUILD_CHAIN, '-', "Build certificate chain"},
646 {"chainCAfile", OPT_CHAINCAFILE, '<',
647 "CA file for certificate chain (PEM format)"},
648 {"verifyCAfile", OPT_VERIFYCAFILE, '<',
649 "CA file for certificate verification (PEM format)"},
650 {"nocommands", OPT_NOCMDS, '-', "Do not use interactive command letters"},
651 {"servername", OPT_SERVERNAME, 's',
652 "Set TLS extension servername in ClientHello"},
653 {"tlsextdebug", OPT_TLSEXTDEBUG, '-',
654 "Hex dump of all TLS extensions received"},
655 #ifndef OPENSSL_NO_OCSP
656 {"status", OPT_STATUS, '-', "Request certificate status from server"},
658 {"serverinfo", OPT_SERVERINFO, 's',
659 "types Send empty ClientHello extensions (comma-separated numbers)"},
660 {"alpn", OPT_ALPN, 's',
661 "Enable ALPN extension, considering named protocols supported (comma-separated list)"},
662 {"async", OPT_ASYNC, '-', "Support asynchronous operation"},
663 {"ssl_config", OPT_SSL_CONFIG, 's', "Use specified configuration file"},
664 {"split_send_frag", OPT_SPLIT_SEND_FRAG, 'n',
665 "Size used to split data for encrypt pipelines"},
666 {"max_pipelines", OPT_MAX_PIPELINES, 'n',
667 "Maximum number of encrypt/decrypt pipelines to be used"},
668 {"read_buf", OPT_READ_BUF, 'n',
669 "Default read buffer size to be used for connections"},
673 #ifndef OPENSSL_NO_SSL3
674 {"ssl3", OPT_SSL3, '-', "Just use SSLv3"},
676 #ifndef OPENSSL_NO_TLS1
677 {"tls1", OPT_TLS1, '-', "Just use TLSv1"},
679 #ifndef OPENSSL_NO_TLS1_1
680 {"tls1_1", OPT_TLS1_1, '-', "Just use TLSv1.1"},
682 #ifndef OPENSSL_NO_TLS1_2
683 {"tls1_2", OPT_TLS1_2, '-', "Just use TLSv1.2"},
685 #ifndef OPENSSL_NO_TLS1_3
686 {"tls1_3", OPT_TLS1_3, '-', "Just use TLSv1.3"},
688 #ifndef OPENSSL_NO_DTLS
689 {"dtls", OPT_DTLS, '-', "Use any version of DTLS"},
690 {"timeout", OPT_TIMEOUT, '-',
691 "Enable send/receive timeout on DTLS connections"},
692 {"mtu", OPT_MTU, 'p', "Set the link layer MTU"},
694 #ifndef OPENSSL_NO_DTLS1
695 {"dtls1", OPT_DTLS1, '-', "Just use DTLSv1"},
697 #ifndef OPENSSL_NO_DTLS1_2
698 {"dtls1_2", OPT_DTLS1_2, '-', "Just use DTLSv1.2"},
700 #ifndef OPENSSL_NO_SSL_TRACE
701 {"trace", OPT_TRACE, '-', "Show trace output of protocol messages"},
704 {"wdebug", OPT_WDEBUG, '-', "WATT-32 tcp debugging"},
706 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"},
707 #ifndef OPENSSL_NO_PSK
708 {"psk_identity", OPT_PSK_IDENTITY, 's', "PSK identity"},
709 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"},
711 #ifndef OPENSSL_NO_SRP
712 {"srpuser", OPT_SRPUSER, 's', "SRP authentication for 'user'"},
713 {"srppass", OPT_SRPPASS, 's', "Password for 'user'"},
714 {"srp_lateuser", OPT_SRP_LATEUSER, '-',
715 "SRP username into second ClientHello message"},
716 {"srp_moregroups", OPT_SRP_MOREGROUPS, '-',
717 "Tolerate other than the known g N values."},
718 {"srp_strength", OPT_SRP_STRENGTH, 'p', "Minimal length in bits for N"},
720 #ifndef OPENSSL_NO_NEXTPROTONEG
721 {"nextprotoneg", OPT_NEXTPROTONEG, 's',
722 "Enable NPN extension, considering named protocols supported (comma-separated list)"},
724 #ifndef OPENSSL_NO_ENGINE
725 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
726 {"ssl_client_engine", OPT_SSL_CLIENT_ENGINE, 's',
727 "Specify engine to be used for client certificate operations"},
729 #ifndef OPENSSL_NO_CT
730 {"ct", OPT_CT, '-', "Request and parse SCTs (also enables OCSP stapling)"},
731 {"noct", OPT_NOCT, '-', "Do not request or parse SCTs (default)"},
732 {"ctlogfile", OPT_CTLOG_FILE, '<', "CT log list CONF file"},
734 {NULL, OPT_EOF, 0x00, NULL}
737 typedef enum PROTOCOL_choice {
752 static const OPT_PAIR services[] = {
753 {"smtp", PROTO_SMTP},
754 {"pop3", PROTO_POP3},
755 {"imap", PROTO_IMAP},
757 {"xmpp", PROTO_XMPP},
758 {"xmpp-server", PROTO_XMPP_SERVER},
759 {"telnet", PROTO_TELNET},
761 {"postgres", PROTO_POSTGRES},
762 {"lmtp", PROTO_LMTP},
766 #define IS_INET_FLAG(o) \
767 (o == OPT_4 || o == OPT_6 || o == OPT_HOST || o == OPT_PORT || o == OPT_CONNECT)
768 #define IS_UNIX_FLAG(o) (o == OPT_UNIX)
770 #define IS_PROT_FLAG(o) \
771 (o == OPT_SSL3 || o == OPT_TLS1 || o == OPT_TLS1_1 || o == OPT_TLS1_2 \
772 || o == OPT_TLS1_3 || o == OPT_DTLS || o == OPT_DTLS1 || o == OPT_DTLS1_2)
774 /* Free |*dest| and optionally set it to a copy of |source|. */
775 static void freeandcopy(char **dest, const char *source)
780 *dest = OPENSSL_strdup(source);
783 static int new_session_cb(SSL *S, SSL_SESSION *sess)
785 BIO *stmp = BIO_new_file(sess_out, "w");
788 BIO_printf(bio_err, "Error writing session file %s\n", sess_out);
790 PEM_write_bio_SSL_SESSION(stmp, sess);
795 * We always return a "fail" response so that the session gets freed again
796 * because we haven't used the reference.
801 int s_client_main(int argc, char **argv)
804 EVP_PKEY *key = NULL;
807 STACK_OF(X509) *chain = NULL;
809 X509_VERIFY_PARAM *vpm = NULL;
810 SSL_EXCERT *exc = NULL;
811 SSL_CONF_CTX *cctx = NULL;
812 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
813 char *dane_tlsa_domain = NULL;
814 STACK_OF(OPENSSL_STRING) *dane_tlsa_rrset = NULL;
815 int dane_ee_no_name = 0;
816 STACK_OF(X509_CRL) *crls = NULL;
817 const SSL_METHOD *meth = TLS_client_method();
818 const char *CApath = NULL, *CAfile = NULL;
819 char *cbuf = NULL, *sbuf = NULL;
820 char *mbuf = NULL, *proxystr = NULL, *connectstr = NULL;
821 char *cert_file = NULL, *key_file = NULL, *chain_file = NULL;
822 char *chCApath = NULL, *chCAfile = NULL, *host = NULL;
823 char *port = OPENSSL_strdup(PORT);
825 char *passarg = NULL, *pass = NULL, *vfyCApath = NULL, *vfyCAfile = NULL;
826 char *sess_in = NULL, *crl_file = NULL, *p;
827 char *xmpphost = NULL;
828 const char *ehlo = "mail.example.com";
829 struct timeval timeout, *timeoutp;
830 fd_set readfds, writefds;
831 int noCApath = 0, noCAfile = 0;
832 int build_chain = 0, cbuf_len, cbuf_off, cert_format = FORMAT_PEM;
833 int key_format = FORMAT_PEM, crlf = 0, full_log = 1, mbuf_len = 0;
836 int reconnect = 0, verify = SSL_VERIFY_NONE, vpmtouched = 0;
837 int ret = 1, in_init = 1, i, nbio_test = 0, s = -1, k, width, state = 0;
838 int sbuf_len, sbuf_off, cmdletters = 1;
839 int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM;
840 int starttls_proto = PROTO_OFF, crl_format = FORMAT_PEM, crl_download = 0;
841 int write_tty, read_tty, write_ssl, read_ssl, tty_on, ssl_pending;
842 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
845 int read_buf_len = 0;
846 int fallback_scsv = 0;
849 #ifndef OPENSSL_NO_DTLS
850 int enable_timeouts = 0;
853 #ifndef OPENSSL_NO_ENGINE
854 ENGINE *ssl_client_engine = NULL;
857 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
860 char *servername = NULL;
861 const char *alpn_in = NULL;
862 tlsextctx tlsextcbp = { NULL, 0 };
863 const char *ssl_config = NULL;
864 #define MAX_SI_TYPES 100
865 unsigned short serverinfo_types[MAX_SI_TYPES];
866 int serverinfo_count = 0, start = 0, len;
867 #ifndef OPENSSL_NO_NEXTPROTONEG
868 const char *next_proto_neg_in = NULL;
870 #ifndef OPENSSL_NO_SRP
871 char *srppass = NULL;
872 int srp_lateuser = 0;
873 SRP_ARG srp_arg = { NULL, NULL, 0, 0, 0, 1024 };
875 #ifndef OPENSSL_NO_CT
876 char *ctlog_file = NULL;
877 int ct_validation = 0;
879 int min_version = 0, max_version = 0, prot_opt = 0, no_prot_opt = 0;
881 unsigned int split_send_fragment = 0;
882 unsigned int max_pipelines = 0;
883 enum { use_inet, use_unix, use_unknown } connect_type = use_unknown;
885 int c_nbio = 0, c_msg = 0, c_ign_eof = 0, c_brief = 0;
886 int c_tlsextdebug = 0;
887 #ifndef OPENSSL_NO_OCSP
888 int c_status_req = 0;
890 BIO *bio_c_msg = NULL;
894 /* Known false-positive of MemorySanitizer. */
895 #if defined(__has_feature)
896 # if __has_feature(memory_sanitizer)
897 __msan_unpoison(&readfds, sizeof(readfds));
898 __msan_unpoison(&writefds, sizeof(writefds));
902 prog = opt_progname(argv[0]);
907 vpm = X509_VERIFY_PARAM_new();
908 cctx = SSL_CONF_CTX_new();
910 if (vpm == NULL || cctx == NULL) {
911 BIO_printf(bio_err, "%s: out of memory\n", prog);
915 cbuf = app_malloc(BUFSIZZ, "cbuf");
916 sbuf = app_malloc(BUFSIZZ, "sbuf");
917 mbuf = app_malloc(BUFSIZZ, "mbuf");
919 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT | SSL_CONF_FLAG_CMDLINE);
921 prog = opt_init(argc, argv, s_client_options);
922 while ((o = opt_next()) != OPT_EOF) {
923 /* Check for intermixing flags. */
924 if (connect_type == use_unix && IS_INET_FLAG(o)) {
926 "%s: Intermixed protocol flags (unix and internet domains)\n",
930 if (connect_type == use_inet && IS_UNIX_FLAG(o)) {
932 "%s: Intermixed protocol flags (internet and unix domains)\n",
937 if (IS_PROT_FLAG(o) && ++prot_opt > 1) {
938 BIO_printf(bio_err, "Cannot supply multiple protocol flags\n");
941 if (IS_NO_PROT_FLAG(o))
943 if (prot_opt == 1 && no_prot_opt) {
945 "Cannot supply both a protocol flag and '-no_<prot>'\n");
953 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
956 opt_help(s_client_options);
960 connect_type = use_inet;
961 socket_family = AF_INET;
966 connect_type = use_inet;
967 socket_family = AF_INET6;
972 connect_type = use_inet;
973 freeandcopy(&host, opt_arg());
976 connect_type = use_inet;
977 freeandcopy(&port, opt_arg());
980 connect_type = use_inet;
981 freeandcopy(&connectstr, opt_arg());
984 proxystr = opt_arg();
985 starttls_proto = PROTO_CONNECT;
989 connect_type = use_unix;
990 socket_family = AF_UNIX;
991 freeandcopy(&host, opt_arg());
995 xmpphost = opt_arg();
1001 verify = SSL_VERIFY_PEER;
1002 verify_args.depth = atoi(opt_arg());
1004 BIO_printf(bio_err, "verify depth is %d\n", verify_args.depth);
1007 cert_file = opt_arg();
1010 crl_file = opt_arg();
1012 case OPT_CRL_DOWNLOAD:
1016 sess_out = opt_arg();
1019 sess_in = opt_arg();
1022 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &cert_format))
1026 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
1029 case OPT_VERIFY_RET_ERROR:
1030 verify_args.return_error = 1;
1032 case OPT_VERIFY_QUIET:
1033 verify_args.quiet = 1;
1036 c_brief = verify_args.quiet = c_quiet = 1;
1039 if (ssl_args == NULL)
1040 ssl_args = sk_OPENSSL_STRING_new_null();
1041 if (ssl_args == NULL
1042 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
1043 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
1044 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1049 if (!opt_verify(o, vpm))
1054 if (!args_excert(o, &exc))
1064 c_quiet = c_ign_eof = 1;
1073 e = setup_engine(opt_arg(), 1);
1075 case OPT_SSL_CLIENT_ENGINE:
1076 #ifndef OPENSSL_NO_ENGINE
1077 ssl_client_engine = ENGINE_by_id(opt_arg());
1078 if (ssl_client_engine == NULL) {
1079 BIO_printf(bio_err, "Error getting client auth engine\n");
1090 case OPT_NO_IGN_EOF:
1096 case OPT_TLSEXTDEBUG:
1100 #ifndef OPENSSL_NO_OCSP
1113 bio_c_msg = BIO_new_file(opt_arg(), "w");
1116 #ifndef OPENSSL_NO_SSL_TRACE
1120 case OPT_SECURITY_DEBUG:
1123 case OPT_SECURITY_DEBUG_VERBOSE:
1135 #ifndef OPENSSL_NO_PSK
1136 case OPT_PSK_IDENTITY:
1137 psk_identity = opt_arg();
1140 for (p = psk_key = opt_arg(); *p; p++) {
1141 if (isxdigit(_UC(*p)))
1143 BIO_printf(bio_err, "Not a hex number '%s'\n", psk_key);
1148 #ifndef OPENSSL_NO_SRP
1150 srp_arg.srplogin = opt_arg();
1151 if (min_version < TLS1_VERSION)
1152 min_version = TLS1_VERSION;
1155 srppass = opt_arg();
1156 if (min_version < TLS1_VERSION)
1157 min_version = TLS1_VERSION;
1159 case OPT_SRP_STRENGTH:
1160 srp_arg.strength = atoi(opt_arg());
1161 BIO_printf(bio_err, "SRP minimal length for N is %d\n",
1163 if (min_version < TLS1_VERSION)
1164 min_version = TLS1_VERSION;
1166 case OPT_SRP_LATEUSER:
1168 if (min_version < TLS1_VERSION)
1169 min_version = TLS1_VERSION;
1171 case OPT_SRP_MOREGROUPS:
1173 if (min_version < TLS1_VERSION)
1174 min_version = TLS1_VERSION;
1177 case OPT_SSL_CONFIG:
1178 ssl_config = opt_arg();
1181 min_version = SSL3_VERSION;
1182 max_version = SSL3_VERSION;
1185 min_version = TLS1_3_VERSION;
1186 max_version = TLS1_3_VERSION;
1189 min_version = TLS1_2_VERSION;
1190 max_version = TLS1_2_VERSION;
1193 min_version = TLS1_1_VERSION;
1194 max_version = TLS1_1_VERSION;
1197 min_version = TLS1_VERSION;
1198 max_version = TLS1_VERSION;
1201 #ifndef OPENSSL_NO_DTLS
1202 meth = DTLS_client_method();
1203 socket_type = SOCK_DGRAM;
1207 #ifndef OPENSSL_NO_DTLS1
1208 meth = DTLS_client_method();
1209 min_version = DTLS1_VERSION;
1210 max_version = DTLS1_VERSION;
1211 socket_type = SOCK_DGRAM;
1215 #ifndef OPENSSL_NO_DTLS1_2
1216 meth = DTLS_client_method();
1217 min_version = DTLS1_2_VERSION;
1218 max_version = DTLS1_2_VERSION;
1219 socket_type = SOCK_DGRAM;
1223 #ifndef OPENSSL_NO_DTLS
1224 enable_timeouts = 1;
1228 #ifndef OPENSSL_NO_DTLS
1229 socket_mtu = atol(opt_arg());
1232 case OPT_FALLBACKSCSV:
1236 if (!opt_format(opt_arg(), OPT_FMT_PDE, &key_format))
1240 passarg = opt_arg();
1242 case OPT_CERT_CHAIN:
1243 chain_file = opt_arg();
1246 key_file = opt_arg();
1257 case OPT_CHAINCAPATH:
1258 chCApath = opt_arg();
1260 case OPT_VERIFYCAPATH:
1261 vfyCApath = opt_arg();
1263 case OPT_BUILD_CHAIN:
1272 #ifndef OPENSSL_NO_CT
1279 case OPT_CTLOG_FILE:
1280 ctlog_file = opt_arg();
1283 case OPT_CHAINCAFILE:
1284 chCAfile = opt_arg();
1286 case OPT_VERIFYCAFILE:
1287 vfyCAfile = opt_arg();
1289 case OPT_DANE_TLSA_DOMAIN:
1290 dane_tlsa_domain = opt_arg();
1292 case OPT_DANE_TLSA_RRDATA:
1293 if (dane_tlsa_rrset == NULL)
1294 dane_tlsa_rrset = sk_OPENSSL_STRING_new_null();
1295 if (dane_tlsa_rrset == NULL ||
1296 !sk_OPENSSL_STRING_push(dane_tlsa_rrset, opt_arg())) {
1297 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1301 case OPT_DANE_EE_NO_NAME:
1302 dane_ee_no_name = 1;
1304 case OPT_NEXTPROTONEG:
1305 #ifndef OPENSSL_NO_NEXTPROTONEG
1306 next_proto_neg_in = opt_arg();
1310 alpn_in = opt_arg();
1312 case OPT_SERVERINFO:
1315 for (start = 0, i = 0; i <= len; ++i) {
1316 if (i == len || p[i] == ',') {
1317 serverinfo_types[serverinfo_count] = atoi(p + start);
1318 if (++serverinfo_count == MAX_SI_TYPES)
1325 if (!opt_pair(opt_arg(), services, &starttls_proto))
1328 case OPT_SERVERNAME:
1329 servername = opt_arg();
1332 srtp_profiles = opt_arg();
1334 case OPT_KEYMATEXPORT:
1335 keymatexportlabel = opt_arg();
1337 case OPT_KEYMATEXPORTLEN:
1338 keymatexportlen = atoi(opt_arg());
1343 case OPT_SPLIT_SEND_FRAG:
1344 split_send_fragment = atoi(opt_arg());
1345 if (split_send_fragment == 0) {
1347 * Not allowed - set to a deliberately bad value so we get an
1348 * error message below
1350 split_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH + 1;
1353 case OPT_MAX_PIPELINES:
1354 max_pipelines = atoi(opt_arg());
1357 read_buf_len = atoi(opt_arg());
1361 if (count4or6 >= 2) {
1362 BIO_printf(bio_err, "%s: Can't use both -4 and -6\n", prog);
1365 argc = opt_num_rest();
1371 char *tmp_host = host, *tmp_port = port;
1372 if (connectstr == NULL) {
1373 BIO_printf(bio_err, "%s: -proxy requires use of -connect\n", prog);
1376 res = BIO_parse_hostserv(proxystr, &host, &port, BIO_PARSE_PRIO_HOST);
1377 if (tmp_host != host)
1378 OPENSSL_free(tmp_host);
1379 if (tmp_port != port)
1380 OPENSSL_free(tmp_port);
1383 "%s: -proxy argument malformed or ambiguous\n", prog);
1388 char *tmp_host = host, *tmp_port = port;
1389 if (connectstr != NULL)
1390 res = BIO_parse_hostserv(connectstr, &host, &port,
1391 BIO_PARSE_PRIO_HOST);
1392 if (tmp_host != host)
1393 OPENSSL_free(tmp_host);
1394 if (tmp_port != port)
1395 OPENSSL_free(tmp_port);
1398 "%s: -connect argument malformed or ambiguous\n",
1404 if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) {
1406 "Can't use unix sockets and datagrams together\n");
1410 if (split_send_fragment > SSL3_RT_MAX_PLAIN_LENGTH) {
1411 BIO_printf(bio_err, "Bad split send fragment size\n");
1415 if (max_pipelines > SSL_MAX_PIPELINES) {
1416 BIO_printf(bio_err, "Bad max pipelines value\n");
1420 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1421 next_proto.status = -1;
1422 if (next_proto_neg_in) {
1424 next_protos_parse(&next_proto.len, next_proto_neg_in);
1425 if (next_proto.data == NULL) {
1426 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n");
1430 next_proto.data = NULL;
1433 if (!app_passwd(passarg, NULL, &pass, NULL)) {
1434 BIO_printf(bio_err, "Error getting password\n");
1438 if (key_file == NULL)
1439 key_file = cert_file;
1442 key = load_key(key_file, key_format, 0, pass, e,
1443 "client certificate private key file");
1445 ERR_print_errors(bio_err);
1451 cert = load_cert(cert_file, cert_format, "client certificate file");
1453 ERR_print_errors(bio_err);
1459 if (!load_certs(chain_file, &chain, FORMAT_PEM, NULL,
1460 "client certificate chain"))
1466 crl = load_crl(crl_file, crl_format);
1468 BIO_puts(bio_err, "Error loading CRL\n");
1469 ERR_print_errors(bio_err);
1472 crls = sk_X509_CRL_new_null();
1473 if (crls == NULL || !sk_X509_CRL_push(crls, crl)) {
1474 BIO_puts(bio_err, "Error adding CRL\n");
1475 ERR_print_errors(bio_err);
1481 if (!load_excert(&exc))
1484 if (!app_RAND_load_file(NULL, 1) && inrand == NULL
1485 && !RAND_status()) {
1487 "warning, not much extra random data, consider using the -rand option\n");
1489 if (inrand != NULL) {
1490 randamt = app_RAND_load_files(inrand);
1491 BIO_printf(bio_err, "%ld semi-random bytes loaded\n", randamt);
1494 if (bio_c_out == NULL) {
1495 if (c_quiet && !c_debug) {
1496 bio_c_out = BIO_new(BIO_s_null());
1497 if (c_msg && !bio_c_msg)
1498 bio_c_msg = dup_bio_out(FORMAT_TEXT);
1499 } else if (bio_c_out == NULL)
1500 bio_c_out = dup_bio_out(FORMAT_TEXT);
1502 #ifndef OPENSSL_NO_SRP
1503 if (!app_passwd(srppass, NULL, &srp_arg.srppassin, NULL)) {
1504 BIO_printf(bio_err, "Error getting password\n");
1509 ctx = SSL_CTX_new(meth);
1511 ERR_print_errors(bio_err);
1516 ssl_ctx_security_debug(ctx, sdebug);
1519 if (SSL_CTX_config(ctx, ssl_config) == 0) {
1520 BIO_printf(bio_err, "Error using configuration \"%s\"\n",
1522 ERR_print_errors(bio_err);
1527 if (SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
1529 if (SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
1532 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
1533 BIO_printf(bio_err, "Error setting verify params\n");
1534 ERR_print_errors(bio_err);
1539 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
1541 if (split_send_fragment > 0) {
1542 SSL_CTX_set_split_send_fragment(ctx, split_send_fragment);
1544 if (max_pipelines > 0) {
1545 SSL_CTX_set_max_pipelines(ctx, max_pipelines);
1548 if (read_buf_len > 0) {
1549 SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len);
1552 if (!config_ctx(cctx, ssl_args, ctx))
1555 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1556 crls, crl_download)) {
1557 BIO_printf(bio_err, "Error loading store locations\n");
1558 ERR_print_errors(bio_err);
1561 #ifndef OPENSSL_NO_ENGINE
1562 if (ssl_client_engine) {
1563 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine)) {
1564 BIO_puts(bio_err, "Error setting client auth engine\n");
1565 ERR_print_errors(bio_err);
1566 ENGINE_free(ssl_client_engine);
1569 ENGINE_free(ssl_client_engine);
1573 #ifndef OPENSSL_NO_PSK
1574 if (psk_key != NULL) {
1576 BIO_printf(bio_c_out, "PSK key given, setting client callback\n");
1577 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
1580 #ifndef OPENSSL_NO_SRTP
1581 if (srtp_profiles != NULL) {
1582 /* Returns 0 on success! */
1583 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
1584 BIO_printf(bio_err, "Error setting SRTP profile\n");
1585 ERR_print_errors(bio_err);
1592 ssl_ctx_set_excert(ctx, exc);
1594 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1595 if (next_proto.data)
1596 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
1600 unsigned char *alpn = next_protos_parse(&alpn_len, alpn_in);
1603 BIO_printf(bio_err, "Error parsing -alpn argument\n");
1606 /* Returns 0 on success! */
1607 if (SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len) != 0) {
1608 BIO_printf(bio_err, "Error setting ALPN\n");
1614 for (i = 0; i < serverinfo_count; i++) {
1615 if (!SSL_CTX_add_client_custom_ext(ctx,
1616 serverinfo_types[i],
1618 serverinfo_cli_parse_cb, NULL)) {
1620 "Warning: Unable to add custom extension %u, skipping\n",
1621 serverinfo_types[i]);
1626 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1628 #ifndef OPENSSL_NO_CT
1629 /* Enable SCT processing, without early connection termination */
1630 if (ct_validation &&
1631 !SSL_CTX_enable_ct(ctx, SSL_CT_VALIDATION_PERMISSIVE)) {
1632 ERR_print_errors(bio_err);
1636 if (!ctx_set_ctlog_list_file(ctx, ctlog_file)) {
1637 if (ct_validation) {
1638 ERR_print_errors(bio_err);
1643 * If CT validation is not enabled, the log list isn't needed so don't
1644 * show errors or abort. We try to load it regardless because then we
1645 * can show the names of the logs any SCTs came from (SCTs may be seen
1646 * even with validation disabled).
1652 SSL_CTX_set_verify(ctx, verify, verify_callback);
1654 if (!ctx_set_verify_locations(ctx, CAfile, CApath, noCAfile, noCApath)) {
1655 ERR_print_errors(bio_err);
1659 ssl_ctx_add_crls(ctx, crls, crl_download);
1661 if (!set_cert_key_stuff(ctx, cert, key, chain, build_chain))
1664 if (servername != NULL) {
1665 tlsextcbp.biodebug = bio_err;
1666 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1667 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1669 # ifndef OPENSSL_NO_SRP
1670 if (srp_arg.srplogin) {
1671 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin)) {
1672 BIO_printf(bio_err, "Unable to set SRP username\n");
1675 srp_arg.msg = c_msg;
1676 srp_arg.debug = c_debug;
1677 SSL_CTX_set_srp_cb_arg(ctx, &srp_arg);
1678 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb);
1679 SSL_CTX_set_srp_strength(ctx, srp_arg.strength);
1680 if (c_msg || c_debug || srp_arg.amp == 0)
1681 SSL_CTX_set_srp_verify_param_callback(ctx,
1682 ssl_srp_verify_param_cb);
1686 if (dane_tlsa_domain != NULL) {
1687 if (SSL_CTX_dane_enable(ctx) <= 0) {
1689 "%s: Error enabling DANE TLSA authentication.\n",
1691 ERR_print_errors(bio_err);
1697 * In TLSv1.3 NewSessionTicket messages arrive after the handshake and can
1698 * come at any time. Therefore we use a callback to write out the session
1699 * when we know about it. This approach works for < TLSv1.3 as well.
1702 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_CLIENT
1703 | SSL_SESS_CACHE_NO_INTERNAL_STORE);
1704 SSL_CTX_sess_set_new_cb(ctx, new_session_cb);
1710 BIO *stmp = BIO_new_file(sess_in, "r");
1712 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1713 ERR_print_errors(bio_err);
1716 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1719 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1720 ERR_print_errors(bio_err);
1723 if (!SSL_set_session(con, sess)) {
1724 BIO_printf(bio_err, "Can't set session\n");
1725 ERR_print_errors(bio_err);
1728 SSL_SESSION_free(sess);
1732 SSL_set_mode(con, SSL_MODE_SEND_FALLBACK_SCSV);
1734 if (servername != NULL) {
1735 if (!SSL_set_tlsext_host_name(con, servername)) {
1736 BIO_printf(bio_err, "Unable to set TLS servername extension.\n");
1737 ERR_print_errors(bio_err);
1742 if (dane_tlsa_domain != NULL) {
1743 if (SSL_dane_enable(con, dane_tlsa_domain) <= 0) {
1744 BIO_printf(bio_err, "%s: Error enabling DANE TLSA "
1745 "authentication.\n", prog);
1746 ERR_print_errors(bio_err);
1749 if (dane_tlsa_rrset == NULL) {
1750 BIO_printf(bio_err, "%s: DANE TLSA authentication requires at "
1751 "least one -dane_tlsa_rrdata option.\n", prog);
1754 if (tlsa_import_rrset(con, dane_tlsa_rrset) <= 0) {
1755 BIO_printf(bio_err, "%s: Failed to import any TLSA "
1756 "records.\n", prog);
1759 if (dane_ee_no_name)
1760 SSL_dane_set_flags(con, DANE_FLAG_NO_DANE_EE_NAMECHECKS);
1761 } else if (dane_tlsa_rrset != NULL) {
1762 BIO_printf(bio_err, "%s: DANE TLSA authentication requires the "
1763 "-dane_tlsa_domain option.\n", prog);
1768 if (init_client(&s, host, port, socket_family, socket_type) == 0) {
1769 BIO_printf(bio_err, "connect:errno=%d\n", get_last_socket_error());
1773 BIO_printf(bio_c_out, "CONNECTED(%08X)\n", s);
1776 if (!BIO_socket_nbio(s, 1)) {
1777 ERR_print_errors(bio_err);
1780 BIO_printf(bio_c_out, "Turned on non blocking io\n");
1782 #ifndef OPENSSL_NO_DTLS
1783 if (socket_type == SOCK_DGRAM) {
1784 union BIO_sock_info_u peer_info;
1786 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
1787 if ((peer_info.addr = BIO_ADDR_new()) == NULL) {
1788 BIO_printf(bio_err, "memory allocation failure\n");
1792 if (!BIO_sock_info(s, BIO_SOCK_INFO_ADDRESS, &peer_info)) {
1793 BIO_printf(bio_err, "getsockname:errno=%d\n",
1794 get_last_socket_error());
1795 BIO_ADDR_free(peer_info.addr);
1800 (void)BIO_ctrl_set_connected(sbio, peer_info.addr);
1801 BIO_ADDR_free(peer_info.addr);
1802 peer_info.addr = NULL;
1804 if (enable_timeouts) {
1806 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1807 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1810 timeout.tv_usec = DGRAM_SND_TIMEOUT;
1811 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1815 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
1816 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
1817 DTLS_get_link_min_mtu(con));
1821 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1822 if (!DTLS_set_link_mtu(con, socket_mtu)) {
1823 BIO_printf(bio_err, "Failed to set MTU\n");
1828 /* want to do MTU discovery */
1829 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1831 #endif /* OPENSSL_NO_DTLS */
1832 sbio = BIO_new_socket(s, BIO_NOCLOSE);
1837 test = BIO_new(BIO_f_nbio_test());
1838 sbio = BIO_push(test, sbio);
1842 BIO_set_callback(sbio, bio_dump_callback);
1843 BIO_set_callback_arg(sbio, (char *)bio_c_out);
1846 #ifndef OPENSSL_NO_SSL_TRACE
1848 SSL_set_msg_callback(con, SSL_trace);
1851 SSL_set_msg_callback(con, msg_cb);
1852 SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out);
1855 if (c_tlsextdebug) {
1856 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1857 SSL_set_tlsext_debug_arg(con, bio_c_out);
1859 #ifndef OPENSSL_NO_OCSP
1861 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
1862 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
1863 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
1867 SSL_set_bio(con, sbio, sbio);
1868 SSL_set_connect_state(con);
1870 /* ok, lets connect */
1871 if (fileno_stdin() > SSL_get_fd(con))
1872 width = fileno_stdin() + 1;
1874 width = SSL_get_fd(con) + 1;
1887 switch ((PROTOCOL_CHOICE) starttls_proto) {
1894 * This is an ugly hack that does a lot of assumptions. We do
1895 * have to handle multi-line responses which may come in a single
1896 * packet or not. We therefore have to use BIO_gets() which does
1897 * need a buffering BIO. So during the initial chitchat we do
1898 * push a buffering BIO into the chain that is removed again
1899 * later on to not disturb the rest of the s_client operation.
1902 BIO *fbio = BIO_new(BIO_f_buffer());
1903 BIO_push(fbio, sbio);
1904 /* Wait for multi-line response to end from LMTP or SMTP */
1906 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1908 while (mbuf_len > 3 && mbuf[3] == '-');
1909 if (starttls_proto == (int)PROTO_LMTP)
1910 BIO_printf(fbio, "LHLO %s\r\n", ehlo);
1912 BIO_printf(fbio, "EHLO %s\r\n", ehlo);
1913 (void)BIO_flush(fbio);
1915 * Wait for multi-line response to end LHLO LMTP or EHLO SMTP
1919 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1920 if (strstr(mbuf, "STARTTLS"))
1923 while (mbuf_len > 3 && mbuf[3] == '-');
1924 (void)BIO_flush(fbio);
1929 "didn't find starttls in server response,"
1930 " trying anyway...\n");
1931 BIO_printf(sbio, "STARTTLS\r\n");
1932 BIO_read(sbio, sbuf, BUFSIZZ);
1937 BIO_read(sbio, mbuf, BUFSIZZ);
1938 BIO_printf(sbio, "STLS\r\n");
1939 mbuf_len = BIO_read(sbio, sbuf, BUFSIZZ);
1941 BIO_printf(bio_err, "BIO_read failed\n");
1949 BIO *fbio = BIO_new(BIO_f_buffer());
1950 BIO_push(fbio, sbio);
1951 BIO_gets(fbio, mbuf, BUFSIZZ);
1952 /* STARTTLS command requires CAPABILITY... */
1953 BIO_printf(fbio, ". CAPABILITY\r\n");
1954 (void)BIO_flush(fbio);
1955 /* wait for multi-line CAPABILITY response */
1957 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1958 if (strstr(mbuf, "STARTTLS"))
1961 while (mbuf_len > 3 && mbuf[0] != '.');
1962 (void)BIO_flush(fbio);
1967 "didn't find STARTTLS in server response,"
1968 " trying anyway...\n");
1969 BIO_printf(sbio, ". STARTTLS\r\n");
1970 BIO_read(sbio, sbuf, BUFSIZZ);
1975 BIO *fbio = BIO_new(BIO_f_buffer());
1976 BIO_push(fbio, sbio);
1977 /* wait for multi-line response to end from FTP */
1979 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1981 while (mbuf_len > 3 && mbuf[3] == '-');
1982 (void)BIO_flush(fbio);
1985 BIO_printf(sbio, "AUTH TLS\r\n");
1986 BIO_read(sbio, sbuf, BUFSIZZ);
1990 case PROTO_XMPP_SERVER:
1993 BIO_printf(sbio, "<stream:stream "
1994 "xmlns:stream='http://etherx.jabber.org/streams' "
1995 "xmlns='jabber:%s' to='%s' version='1.0'>",
1996 starttls_proto == PROTO_XMPP ? "client" : "server",
1997 xmpphost ? xmpphost : host);
1998 seen = BIO_read(sbio, mbuf, BUFSIZZ);
2001 (mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")
2003 "<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\""))
2005 seen = BIO_read(sbio, mbuf, BUFSIZZ);
2013 "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
2014 seen = BIO_read(sbio, sbuf, BUFSIZZ);
2016 if (!strstr(sbuf, "<proceed"))
2023 static const unsigned char tls_do[] = {
2024 /* IAC DO START_TLS */
2027 static const unsigned char tls_will[] = {
2028 /* IAC WILL START_TLS */
2031 static const unsigned char tls_follows[] = {
2032 /* IAC SB START_TLS FOLLOWS IAC SE */
2033 255, 250, 46, 1, 255, 240
2037 /* Telnet server should demand we issue START_TLS */
2038 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
2039 if (bytes != 3 || memcmp(mbuf, tls_do, 3) != 0)
2041 /* Agree to issue START_TLS and send the FOLLOWS sub-command */
2042 BIO_write(sbio, tls_will, 3);
2043 BIO_write(sbio, tls_follows, 6);
2044 (void)BIO_flush(sbio);
2045 /* Telnet server also sent the FOLLOWS sub-command */
2046 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
2047 if (bytes != 6 || memcmp(mbuf, tls_follows, 6) != 0)
2054 error_proto, /* Wrong protocol, not even HTTP */
2055 error_connect, /* CONNECT failed */
2057 } foundit = error_connect;
2058 BIO *fbio = BIO_new(BIO_f_buffer());
2060 BIO_push(fbio, sbio);
2061 BIO_printf(fbio, "CONNECT %s HTTP/1.0\r\n\r\n", connectstr);
2062 (void)BIO_flush(fbio);
2064 * The first line is the HTTP response. According to RFC 7230,
2065 * it's formated exactly like this:
2067 * HTTP/d.d ddd Reason text\r\n
2069 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2070 if (mbuf[8] != ' ') {
2072 "%s: HTTP CONNECT failed, incorrect response "
2073 "from proxy\n", prog);
2074 foundit = error_proto;
2075 } else if (mbuf[9] != '2') {
2076 BIO_printf(bio_err, "%s: HTTP CONNECT failed: %s ", prog,
2081 if (foundit != error_proto) {
2082 /* Read past all following headers */
2084 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2085 } while (mbuf_len > 2);
2087 (void)BIO_flush(fbio);
2090 if (foundit != success) {
2098 BIO *fbio = BIO_new(BIO_f_buffer());
2100 BIO_push(fbio, sbio);
2101 BIO_printf(fbio, "STARTTLS\r\n");
2102 (void)BIO_flush(fbio);
2103 width = SSL_get_fd(con) + 1;
2109 openssl_fdset(SSL_get_fd(con), &readfds);
2110 timeout.tv_sec = S_CLIENT_IRC_READ_TIMEOUT;
2111 timeout.tv_usec = 0;
2113 * If the IRCd doesn't respond within
2114 * S_CLIENT_IRC_READ_TIMEOUT seconds, assume
2115 * it doesn't support STARTTLS. Many IRCds
2116 * will not give _any_ sort of response to a
2117 * STARTTLS command when it's not supported.
2119 if (!BIO_get_buffer_num_lines(fbio)
2120 && !BIO_pending(fbio)
2121 && !BIO_pending(sbio)
2122 && select(width, (void *)&readfds, NULL, NULL,
2125 "Timeout waiting for response (%d seconds).\n",
2126 S_CLIENT_IRC_READ_TIMEOUT);
2130 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2131 if (mbuf_len < 1 || sscanf(mbuf, "%*s %d", &numeric) != 1)
2133 /* :example.net 451 STARTTLS :You have not registered */
2134 /* :example.net 421 STARTTLS :Unknown command */
2135 if ((numeric == 451 || numeric == 421)
2136 && strstr(mbuf, "STARTTLS") != NULL) {
2137 BIO_printf(bio_err, "STARTTLS not supported: %s", mbuf);
2140 if (numeric == 691) {
2141 BIO_printf(bio_err, "STARTTLS negotiation failed: ");
2142 ERR_print_errors(bio_err);
2145 } while (numeric != 670);
2147 (void)BIO_flush(fbio);
2150 if (numeric != 670) {
2151 BIO_printf(bio_err, "Server does not support STARTTLS.\n");
2157 case PROTO_POSTGRES:
2159 static const unsigned char ssl_request[] = {
2160 /* Length SSLRequest */
2161 0, 0, 0, 8, 4, 210, 22, 47
2165 /* Send SSLRequest packet */
2166 BIO_write(sbio, ssl_request, 8);
2167 (void)BIO_flush(sbio);
2169 /* Reply will be a single S if SSL is enabled */
2170 bytes = BIO_read(sbio, sbuf, BUFSIZZ);
2171 if (bytes != 1 || sbuf[0] != 'S')
2181 if ((SSL_version(con) == DTLS1_VERSION) &&
2182 DTLSv1_get_timeout(con, &timeout))
2183 timeoutp = &timeout;
2187 if (SSL_in_init(con) && !SSL_total_renegotiations(con)) {
2195 if (servername != NULL && !SSL_session_reused(con)) {
2196 BIO_printf(bio_c_out,
2197 "Server did %sacknowledge servername extension.\n",
2198 tlsextcbp.ack ? "" : "not ");
2202 BIO_puts(bio_err, "CONNECTION ESTABLISHED\n");
2203 print_ssl_summary(con);
2206 print_stuff(bio_c_out, con, full_log);
2210 if (starttls_proto) {
2211 BIO_write(bio_err, mbuf, mbuf_len);
2212 /* We don't need to know any more */
2214 starttls_proto = PROTO_OFF;
2219 BIO_printf(bio_c_out,
2220 "drop connection and then reconnect\n");
2221 do_ssl_shutdown(con);
2222 SSL_set_connect_state(con);
2223 BIO_closesocket(SSL_get_fd(con));
2229 ssl_pending = read_ssl && SSL_has_pending(con);
2232 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
2235 * Note that select() returns when read _would not block_,
2236 * and EOF satisfies that. To avoid a CPU-hogging loop,
2237 * set the flag so we exit.
2239 if (read_tty && !at_eof)
2240 openssl_fdset(fileno_stdin(), &readfds);
2241 #if !defined(OPENSSL_SYS_VMS)
2243 openssl_fdset(fileno_stdout(), &writefds);
2247 openssl_fdset(SSL_get_fd(con), &readfds);
2249 openssl_fdset(SSL_get_fd(con), &writefds);
2251 if (!tty_on || !write_tty) {
2253 openssl_fdset(SSL_get_fd(con), &readfds);
2255 openssl_fdset(SSL_get_fd(con), &writefds);
2260 * Note: under VMS with SOCKETSHR the second parameter is
2261 * currently of type (int *) whereas under other systems it is
2262 * (void *) if you don't have a cast it will choke the compiler:
2263 * if you do have a cast then you can either go for (int *) or
2266 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2268 * Under Windows/DOS we make the assumption that we can always
2269 * write to the tty: therefore if we need to write to the tty we
2270 * just fall through. Otherwise we timeout the select every
2271 * second and see if there are any keypresses. Note: this is a
2272 * hack, in a proper Windows application we wouldn't do this.
2279 i = select(width, (void *)&readfds, (void *)&writefds,
2281 if (!i && (!has_stdin_waiting() || !read_tty))
2284 i = select(width, (void *)&readfds, (void *)&writefds,
2288 i = select(width, (void *)&readfds, (void *)&writefds,
2292 BIO_printf(bio_err, "bad select %d\n",
2293 get_last_socket_error());
2299 if ((SSL_version(con) == DTLS1_VERSION)
2300 && DTLSv1_handle_timeout(con) > 0) {
2301 BIO_printf(bio_err, "TIMEOUT occurred\n");
2304 if (!ssl_pending && FD_ISSET(SSL_get_fd(con), &writefds)) {
2305 k = SSL_write(con, &(cbuf[cbuf_off]), (unsigned int)cbuf_len);
2306 switch (SSL_get_error(con, k)) {
2307 case SSL_ERROR_NONE:
2312 /* we have done a write(con,NULL,0); */
2313 if (cbuf_len <= 0) {
2316 } else { /* if (cbuf_len > 0) */
2322 case SSL_ERROR_WANT_WRITE:
2323 BIO_printf(bio_c_out, "write W BLOCK\n");
2327 case SSL_ERROR_WANT_ASYNC:
2328 BIO_printf(bio_c_out, "write A BLOCK\n");
2329 wait_for_async(con);
2333 case SSL_ERROR_WANT_READ:
2334 BIO_printf(bio_c_out, "write R BLOCK\n");
2339 case SSL_ERROR_WANT_X509_LOOKUP:
2340 BIO_printf(bio_c_out, "write X BLOCK\n");
2342 case SSL_ERROR_ZERO_RETURN:
2343 if (cbuf_len != 0) {
2344 BIO_printf(bio_c_out, "shutdown\n");
2353 case SSL_ERROR_SYSCALL:
2354 if ((k != 0) || (cbuf_len != 0)) {
2355 BIO_printf(bio_err, "write:errno=%d\n",
2356 get_last_socket_error());
2363 case SSL_ERROR_WANT_ASYNC_JOB:
2364 /* This shouldn't ever happen in s_client - treat as an error */
2366 ERR_print_errors(bio_err);
2370 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_VMS)
2371 /* Assume Windows/DOS/BeOS can always write */
2372 else if (!ssl_pending && write_tty)
2374 else if (!ssl_pending && FD_ISSET(fileno_stdout(), &writefds))
2377 #ifdef CHARSET_EBCDIC
2378 ascii2ebcdic(&(sbuf[sbuf_off]), &(sbuf[sbuf_off]), sbuf_len);
2380 i = raw_write_stdout(&(sbuf[sbuf_off]), sbuf_len);
2383 BIO_printf(bio_c_out, "DONE\n");
2391 if (sbuf_len <= 0) {
2395 } else if (ssl_pending || FD_ISSET(SSL_get_fd(con), &readfds)) {
2400 SSL_renegotiate(con);
2405 k = SSL_read(con, sbuf, 1024 /* BUFSIZZ */ );
2407 switch (SSL_get_error(con, k)) {
2408 case SSL_ERROR_NONE:
2417 case SSL_ERROR_WANT_ASYNC:
2418 BIO_printf(bio_c_out, "read A BLOCK\n");
2419 wait_for_async(con);
2422 if ((read_tty == 0) && (write_ssl == 0))
2425 case SSL_ERROR_WANT_WRITE:
2426 BIO_printf(bio_c_out, "read W BLOCK\n");
2430 case SSL_ERROR_WANT_READ:
2431 BIO_printf(bio_c_out, "read R BLOCK\n");
2434 if ((read_tty == 0) && (write_ssl == 0))
2437 case SSL_ERROR_WANT_X509_LOOKUP:
2438 BIO_printf(bio_c_out, "read X BLOCK\n");
2440 case SSL_ERROR_SYSCALL:
2441 ret = get_last_socket_error();
2443 BIO_puts(bio_err, "CONNECTION CLOSED BY SERVER\n");
2445 BIO_printf(bio_err, "read:errno=%d\n", ret);
2447 case SSL_ERROR_ZERO_RETURN:
2448 BIO_printf(bio_c_out, "closed\n");
2451 case SSL_ERROR_WANT_ASYNC_JOB:
2452 /* This shouldn't ever happen in s_client. Treat as an error */
2454 ERR_print_errors(bio_err);
2459 /* OPENSSL_SYS_MSDOS includes OPENSSL_SYS_WINDOWS */
2460 #if defined(OPENSSL_SYS_MSDOS)
2461 else if (has_stdin_waiting())
2463 else if (FD_ISSET(fileno_stdin(), &readfds))
2469 i = raw_read_stdin(cbuf, BUFSIZZ / 2);
2471 /* both loops are skipped when i <= 0 */
2472 for (j = 0; j < i; j++)
2473 if (cbuf[j] == '\n')
2475 for (j = i - 1; j >= 0; j--) {
2476 cbuf[j + lf_num] = cbuf[j];
2477 if (cbuf[j] == '\n') {
2480 cbuf[j + lf_num] = '\r';
2483 assert(lf_num == 0);
2485 i = raw_read_stdin(cbuf, BUFSIZZ);
2486 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
2491 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q' && cmdletters))) {
2492 BIO_printf(bio_err, "DONE\n");
2497 if ((!c_ign_eof) && (cbuf[0] == 'R' && cmdletters)) {
2498 BIO_printf(bio_err, "RENEGOTIATING\n");
2499 SSL_renegotiate(con);
2502 #ifndef OPENSSL_NO_HEARTBEATS
2503 else if ((!c_ign_eof) && (cbuf[0] == 'B' && cmdletters)) {
2504 BIO_printf(bio_err, "HEARTBEATING\n");
2512 #ifdef CHARSET_EBCDIC
2513 ebcdic2ascii(cbuf, cbuf, i);
2525 print_stuff(bio_c_out, con, full_log);
2526 do_ssl_shutdown(con);
2527 #if defined(OPENSSL_SYS_WINDOWS)
2529 * Give the socket time to send its last data before we close it.
2530 * No amount of setting SO_LINGER etc on the socket seems to persuade
2531 * Windows to send the data before closing the socket...but sleeping
2532 * for a short time seems to do it (units in ms)
2533 * TODO: Find a better way to do this
2537 BIO_closesocket(SSL_get_fd(con));
2541 print_stuff(bio_c_out, con, 1);
2544 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2545 OPENSSL_free(next_proto.data);
2549 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2551 sk_X509_pop_free(chain, X509_free);
2553 #ifndef OPENSSL_NO_SRP
2554 OPENSSL_free(srp_arg.srppassin);
2556 OPENSSL_free(connectstr);
2559 X509_VERIFY_PARAM_free(vpm);
2560 ssl_excert_free(exc);
2561 sk_OPENSSL_STRING_free(ssl_args);
2562 sk_OPENSSL_STRING_free(dane_tlsa_rrset);
2563 SSL_CONF_CTX_free(cctx);
2564 OPENSSL_clear_free(cbuf, BUFSIZZ);
2565 OPENSSL_clear_free(sbuf, BUFSIZZ);
2566 OPENSSL_clear_free(mbuf, BUFSIZZ);
2568 BIO_free(bio_c_out);
2570 BIO_free(bio_c_msg);
2575 static void print_stuff(BIO *bio, SSL *s, int full)
2580 STACK_OF(X509_NAME) *sk2;
2581 const SSL_CIPHER *c;
2584 #ifndef OPENSSL_NO_COMP
2585 const COMP_METHOD *comp, *expansion;
2587 unsigned char *exportedkeymat;
2588 #ifndef OPENSSL_NO_CT
2589 const SSL_CTX *ctx = SSL_get_SSL_CTX(s);
2593 int got_a_chain = 0;
2595 sk = SSL_get_peer_cert_chain(s);
2599 BIO_printf(bio, "---\nCertificate chain\n");
2600 for (i = 0; i < sk_X509_num(sk); i++) {
2601 X509_NAME_oneline(X509_get_subject_name(sk_X509_value(sk, i)),
2603 BIO_printf(bio, "%2d s:%s\n", i, buf);
2604 X509_NAME_oneline(X509_get_issuer_name(sk_X509_value(sk, i)),
2606 BIO_printf(bio, " i:%s\n", buf);
2608 PEM_write_bio_X509(bio, sk_X509_value(sk, i));
2612 BIO_printf(bio, "---\n");
2613 peer = SSL_get_peer_certificate(s);
2615 BIO_printf(bio, "Server certificate\n");
2617 /* Redundant if we showed the whole chain */
2618 if (!(c_showcerts && got_a_chain))
2619 PEM_write_bio_X509(bio, peer);
2620 X509_NAME_oneline(X509_get_subject_name(peer), buf, sizeof buf);
2621 BIO_printf(bio, "subject=%s\n", buf);
2622 X509_NAME_oneline(X509_get_issuer_name(peer), buf, sizeof buf);
2623 BIO_printf(bio, "issuer=%s\n", buf);
2625 BIO_printf(bio, "no peer certificate available\n");
2627 sk2 = SSL_get_client_CA_list(s);
2628 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0)) {
2629 BIO_printf(bio, "---\nAcceptable client certificate CA names\n");
2630 for (i = 0; i < sk_X509_NAME_num(sk2); i++) {
2631 xn = sk_X509_NAME_value(sk2, i);
2632 X509_NAME_oneline(xn, buf, sizeof(buf));
2633 BIO_write(bio, buf, strlen(buf));
2634 BIO_write(bio, "\n", 1);
2637 BIO_printf(bio, "---\nNo client certificate CA names sent\n");
2640 ssl_print_sigalgs(bio, s);
2641 ssl_print_tmp_key(bio, s);
2643 #ifndef OPENSSL_NO_CT
2645 * When the SSL session is anonymous, or resumed via an abbreviated
2646 * handshake, no SCTs are provided as part of the handshake. While in
2647 * a resumed session SCTs may be present in the session's certificate,
2648 * no callbacks are invoked to revalidate these, and in any case that
2649 * set of SCTs may be incomplete. Thus it makes little sense to
2650 * attempt to display SCTs from a resumed session's certificate, and of
2651 * course none are associated with an anonymous peer.
2653 if (peer != NULL && !SSL_session_reused(s) && SSL_ct_is_enabled(s)) {
2654 const STACK_OF(SCT) *scts = SSL_get0_peer_scts(s);
2655 int sct_count = scts != NULL ? sk_SCT_num(scts) : 0;
2657 BIO_printf(bio, "---\nSCTs present (%i)\n", sct_count);
2658 if (sct_count > 0) {
2659 const CTLOG_STORE *log_store = SSL_CTX_get0_ctlog_store(ctx);
2661 BIO_printf(bio, "---\n");
2662 for (i = 0; i < sct_count; ++i) {
2663 SCT *sct = sk_SCT_value(scts, i);
2665 BIO_printf(bio, "SCT validation status: %s\n",
2666 SCT_validation_status_string(sct));
2667 SCT_print(sct, bio, 0, log_store);
2668 if (i < sct_count - 1)
2669 BIO_printf(bio, "\n---\n");
2671 BIO_printf(bio, "\n");
2677 "---\nSSL handshake has read %" PRIu64
2678 " bytes and written %" PRIu64 " bytes\n",
2679 BIO_number_read(SSL_get_rbio(s)),
2680 BIO_number_written(SSL_get_wbio(s)));
2682 print_verify_detail(s, bio);
2683 BIO_printf(bio, (SSL_session_reused(s) ? "---\nReused, " : "---\nNew, "));
2684 c = SSL_get_current_cipher(s);
2685 BIO_printf(bio, "%s, Cipher is %s\n",
2686 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
2690 pktmp = X509_get0_pubkey(peer);
2691 BIO_printf(bio, "Server public key is %d bit\n",
2692 EVP_PKEY_bits(pktmp));
2694 BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
2695 SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
2696 #ifndef OPENSSL_NO_COMP
2697 comp = SSL_get_current_compression(s);
2698 expansion = SSL_get_current_expansion(s);
2699 BIO_printf(bio, "Compression: %s\n",
2700 comp ? SSL_COMP_get_name(comp) : "NONE");
2701 BIO_printf(bio, "Expansion: %s\n",
2702 expansion ? SSL_COMP_get_name(expansion) : "NONE");
2707 /* Print out local port of connection: useful for debugging */
2709 union BIO_sock_info_u info;
2711 sock = SSL_get_fd(s);
2712 if ((info.addr = BIO_ADDR_new()) != NULL
2713 && BIO_sock_info(sock, BIO_SOCK_INFO_ADDRESS, &info)) {
2714 BIO_printf(bio_c_out, "LOCAL PORT is %u\n",
2715 ntohs(BIO_ADDR_rawport(info.addr)));
2717 BIO_ADDR_free(info.addr);
2721 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2722 if (next_proto.status != -1) {
2723 const unsigned char *proto;
2724 unsigned int proto_len;
2725 SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
2726 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
2727 BIO_write(bio, proto, proto_len);
2728 BIO_write(bio, "\n", 1);
2732 const unsigned char *proto;
2733 unsigned int proto_len;
2734 SSL_get0_alpn_selected(s, &proto, &proto_len);
2735 if (proto_len > 0) {
2736 BIO_printf(bio, "ALPN protocol: ");
2737 BIO_write(bio, proto, proto_len);
2738 BIO_write(bio, "\n", 1);
2740 BIO_printf(bio, "No ALPN negotiated\n");
2743 #ifndef OPENSSL_NO_SRTP
2745 SRTP_PROTECTION_PROFILE *srtp_profile =
2746 SSL_get_selected_srtp_profile(s);
2749 BIO_printf(bio, "SRTP Extension negotiated, profile=%s\n",
2750 srtp_profile->name);
2754 SSL_SESSION_print(bio, SSL_get_session(s));
2755 if (SSL_get_session(s) != NULL && keymatexportlabel != NULL) {
2756 BIO_printf(bio, "Keying material exporter:\n");
2757 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel);
2758 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen);
2759 exportedkeymat = app_malloc(keymatexportlen, "export key");
2760 if (!SSL_export_keying_material(s, exportedkeymat,
2763 strlen(keymatexportlabel),
2765 BIO_printf(bio, " Error\n");
2767 BIO_printf(bio, " Keying material: ");
2768 for (i = 0; i < keymatexportlen; i++)
2769 BIO_printf(bio, "%02X", exportedkeymat[i]);
2770 BIO_printf(bio, "\n");
2772 OPENSSL_free(exportedkeymat);
2774 BIO_printf(bio, "---\n");
2776 /* flush, or debugging output gets mixed with http response */
2777 (void)BIO_flush(bio);
2780 # ifndef OPENSSL_NO_OCSP
2781 static int ocsp_resp_cb(SSL *s, void *arg)
2783 const unsigned char *p;
2786 len = SSL_get_tlsext_status_ocsp_resp(s, &p);
2787 BIO_puts(arg, "OCSP response: ");
2789 BIO_puts(arg, "no response sent\n");
2792 rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
2794 BIO_puts(arg, "response parse error\n");
2795 BIO_dump_indent(arg, (char *)p, len, 4);
2798 BIO_puts(arg, "\n======================================\n");
2799 OCSP_RESPONSE_print(arg, rsp, 0);
2800 BIO_puts(arg, "======================================\n");
2801 OCSP_RESPONSE_free(rsp);
2806 #endif /* OPENSSL_NO_SOCK */