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 {
753 static const OPT_PAIR services[] = {
754 {"smtp", PROTO_SMTP},
755 {"pop3", PROTO_POP3},
756 {"imap", PROTO_IMAP},
758 {"xmpp", PROTO_XMPP},
759 {"xmpp-server", PROTO_XMPP_SERVER},
760 {"telnet", PROTO_TELNET},
762 {"postgres", PROTO_POSTGRES},
763 {"lmtp", PROTO_LMTP},
764 {"nntp", PROTO_NNTP},
768 #define IS_INET_FLAG(o) \
769 (o == OPT_4 || o == OPT_6 || o == OPT_HOST || o == OPT_PORT || o == OPT_CONNECT)
770 #define IS_UNIX_FLAG(o) (o == OPT_UNIX)
772 #define IS_PROT_FLAG(o) \
773 (o == OPT_SSL3 || o == OPT_TLS1 || o == OPT_TLS1_1 || o == OPT_TLS1_2 \
774 || o == OPT_TLS1_3 || o == OPT_DTLS || o == OPT_DTLS1 || o == OPT_DTLS1_2)
776 /* Free |*dest| and optionally set it to a copy of |source|. */
777 static void freeandcopy(char **dest, const char *source)
782 *dest = OPENSSL_strdup(source);
785 static int new_session_cb(SSL *S, SSL_SESSION *sess)
787 BIO *stmp = BIO_new_file(sess_out, "w");
790 BIO_printf(bio_err, "Error writing session file %s\n", sess_out);
792 PEM_write_bio_SSL_SESSION(stmp, sess);
797 * We always return a "fail" response so that the session gets freed again
798 * because we haven't used the reference.
803 int s_client_main(int argc, char **argv)
806 EVP_PKEY *key = NULL;
809 STACK_OF(X509) *chain = NULL;
811 X509_VERIFY_PARAM *vpm = NULL;
812 SSL_EXCERT *exc = NULL;
813 SSL_CONF_CTX *cctx = NULL;
814 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
815 char *dane_tlsa_domain = NULL;
816 STACK_OF(OPENSSL_STRING) *dane_tlsa_rrset = NULL;
817 int dane_ee_no_name = 0;
818 STACK_OF(X509_CRL) *crls = NULL;
819 const SSL_METHOD *meth = TLS_client_method();
820 const char *CApath = NULL, *CAfile = NULL;
821 char *cbuf = NULL, *sbuf = NULL;
822 char *mbuf = NULL, *proxystr = NULL, *connectstr = NULL;
823 char *cert_file = NULL, *key_file = NULL, *chain_file = NULL;
824 char *chCApath = NULL, *chCAfile = NULL, *host = NULL;
825 char *port = OPENSSL_strdup(PORT);
827 char *passarg = NULL, *pass = NULL, *vfyCApath = NULL, *vfyCAfile = NULL;
828 char *sess_in = NULL, *crl_file = NULL, *p;
829 char *xmpphost = NULL;
830 const char *ehlo = "mail.example.com";
831 struct timeval timeout, *timeoutp;
832 fd_set readfds, writefds;
833 int noCApath = 0, noCAfile = 0;
834 int build_chain = 0, cbuf_len, cbuf_off, cert_format = FORMAT_PEM;
835 int key_format = FORMAT_PEM, crlf = 0, full_log = 1, mbuf_len = 0;
838 int reconnect = 0, verify = SSL_VERIFY_NONE, vpmtouched = 0;
839 int ret = 1, in_init = 1, i, nbio_test = 0, s = -1, k, width, state = 0;
840 int sbuf_len, sbuf_off, cmdletters = 1;
841 int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM;
842 int starttls_proto = PROTO_OFF, crl_format = FORMAT_PEM, crl_download = 0;
843 int write_tty, read_tty, write_ssl, read_ssl, tty_on, ssl_pending;
844 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
847 int read_buf_len = 0;
848 int fallback_scsv = 0;
851 #ifndef OPENSSL_NO_DTLS
852 int enable_timeouts = 0;
855 #ifndef OPENSSL_NO_ENGINE
856 ENGINE *ssl_client_engine = NULL;
859 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
862 char *servername = NULL;
863 const char *alpn_in = NULL;
864 tlsextctx tlsextcbp = { NULL, 0 };
865 const char *ssl_config = NULL;
866 #define MAX_SI_TYPES 100
867 unsigned short serverinfo_types[MAX_SI_TYPES];
868 int serverinfo_count = 0, start = 0, len;
869 #ifndef OPENSSL_NO_NEXTPROTONEG
870 const char *next_proto_neg_in = NULL;
872 #ifndef OPENSSL_NO_SRP
873 char *srppass = NULL;
874 int srp_lateuser = 0;
875 SRP_ARG srp_arg = { NULL, NULL, 0, 0, 0, 1024 };
877 #ifndef OPENSSL_NO_CT
878 char *ctlog_file = NULL;
879 int ct_validation = 0;
881 int min_version = 0, max_version = 0, prot_opt = 0, no_prot_opt = 0;
883 unsigned int split_send_fragment = 0;
884 unsigned int max_pipelines = 0;
885 enum { use_inet, use_unix, use_unknown } connect_type = use_unknown;
887 int c_nbio = 0, c_msg = 0, c_ign_eof = 0, c_brief = 0;
888 int c_tlsextdebug = 0;
889 #ifndef OPENSSL_NO_OCSP
890 int c_status_req = 0;
892 BIO *bio_c_msg = NULL;
896 /* Known false-positive of MemorySanitizer. */
897 #if defined(__has_feature)
898 # if __has_feature(memory_sanitizer)
899 __msan_unpoison(&readfds, sizeof(readfds));
900 __msan_unpoison(&writefds, sizeof(writefds));
904 prog = opt_progname(argv[0]);
909 vpm = X509_VERIFY_PARAM_new();
910 cctx = SSL_CONF_CTX_new();
912 if (vpm == NULL || cctx == NULL) {
913 BIO_printf(bio_err, "%s: out of memory\n", prog);
917 cbuf = app_malloc(BUFSIZZ, "cbuf");
918 sbuf = app_malloc(BUFSIZZ, "sbuf");
919 mbuf = app_malloc(BUFSIZZ, "mbuf");
921 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT | SSL_CONF_FLAG_CMDLINE);
923 prog = opt_init(argc, argv, s_client_options);
924 while ((o = opt_next()) != OPT_EOF) {
925 /* Check for intermixing flags. */
926 if (connect_type == use_unix && IS_INET_FLAG(o)) {
928 "%s: Intermixed protocol flags (unix and internet domains)\n",
932 if (connect_type == use_inet && IS_UNIX_FLAG(o)) {
934 "%s: Intermixed protocol flags (internet and unix domains)\n",
939 if (IS_PROT_FLAG(o) && ++prot_opt > 1) {
940 BIO_printf(bio_err, "Cannot supply multiple protocol flags\n");
943 if (IS_NO_PROT_FLAG(o))
945 if (prot_opt == 1 && no_prot_opt) {
947 "Cannot supply both a protocol flag and '-no_<prot>'\n");
955 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
958 opt_help(s_client_options);
962 connect_type = use_inet;
963 socket_family = AF_INET;
968 connect_type = use_inet;
969 socket_family = AF_INET6;
974 connect_type = use_inet;
975 freeandcopy(&host, opt_arg());
978 connect_type = use_inet;
979 freeandcopy(&port, opt_arg());
982 connect_type = use_inet;
983 freeandcopy(&connectstr, opt_arg());
986 proxystr = opt_arg();
987 starttls_proto = PROTO_CONNECT;
991 connect_type = use_unix;
992 socket_family = AF_UNIX;
993 freeandcopy(&host, opt_arg());
997 xmpphost = opt_arg();
1003 verify = SSL_VERIFY_PEER;
1004 verify_args.depth = atoi(opt_arg());
1006 BIO_printf(bio_err, "verify depth is %d\n", verify_args.depth);
1009 cert_file = opt_arg();
1012 crl_file = opt_arg();
1014 case OPT_CRL_DOWNLOAD:
1018 sess_out = opt_arg();
1021 sess_in = opt_arg();
1024 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &cert_format))
1028 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
1031 case OPT_VERIFY_RET_ERROR:
1032 verify_args.return_error = 1;
1034 case OPT_VERIFY_QUIET:
1035 verify_args.quiet = 1;
1038 c_brief = verify_args.quiet = c_quiet = 1;
1041 if (ssl_args == NULL)
1042 ssl_args = sk_OPENSSL_STRING_new_null();
1043 if (ssl_args == NULL
1044 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
1045 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
1046 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1051 if (!opt_verify(o, vpm))
1056 if (!args_excert(o, &exc))
1066 c_quiet = c_ign_eof = 1;
1075 e = setup_engine(opt_arg(), 1);
1077 case OPT_SSL_CLIENT_ENGINE:
1078 #ifndef OPENSSL_NO_ENGINE
1079 ssl_client_engine = ENGINE_by_id(opt_arg());
1080 if (ssl_client_engine == NULL) {
1081 BIO_printf(bio_err, "Error getting client auth engine\n");
1092 case OPT_NO_IGN_EOF:
1098 case OPT_TLSEXTDEBUG:
1102 #ifndef OPENSSL_NO_OCSP
1115 bio_c_msg = BIO_new_file(opt_arg(), "w");
1118 #ifndef OPENSSL_NO_SSL_TRACE
1122 case OPT_SECURITY_DEBUG:
1125 case OPT_SECURITY_DEBUG_VERBOSE:
1137 #ifndef OPENSSL_NO_PSK
1138 case OPT_PSK_IDENTITY:
1139 psk_identity = opt_arg();
1142 for (p = psk_key = opt_arg(); *p; p++) {
1143 if (isxdigit(_UC(*p)))
1145 BIO_printf(bio_err, "Not a hex number '%s'\n", psk_key);
1150 #ifndef OPENSSL_NO_SRP
1152 srp_arg.srplogin = opt_arg();
1153 if (min_version < TLS1_VERSION)
1154 min_version = TLS1_VERSION;
1157 srppass = opt_arg();
1158 if (min_version < TLS1_VERSION)
1159 min_version = TLS1_VERSION;
1161 case OPT_SRP_STRENGTH:
1162 srp_arg.strength = atoi(opt_arg());
1163 BIO_printf(bio_err, "SRP minimal length for N is %d\n",
1165 if (min_version < TLS1_VERSION)
1166 min_version = TLS1_VERSION;
1168 case OPT_SRP_LATEUSER:
1170 if (min_version < TLS1_VERSION)
1171 min_version = TLS1_VERSION;
1173 case OPT_SRP_MOREGROUPS:
1175 if (min_version < TLS1_VERSION)
1176 min_version = TLS1_VERSION;
1179 case OPT_SSL_CONFIG:
1180 ssl_config = opt_arg();
1183 min_version = SSL3_VERSION;
1184 max_version = SSL3_VERSION;
1187 min_version = TLS1_3_VERSION;
1188 max_version = TLS1_3_VERSION;
1191 min_version = TLS1_2_VERSION;
1192 max_version = TLS1_2_VERSION;
1195 min_version = TLS1_1_VERSION;
1196 max_version = TLS1_1_VERSION;
1199 min_version = TLS1_VERSION;
1200 max_version = TLS1_VERSION;
1203 #ifndef OPENSSL_NO_DTLS
1204 meth = DTLS_client_method();
1205 socket_type = SOCK_DGRAM;
1209 #ifndef OPENSSL_NO_DTLS1
1210 meth = DTLS_client_method();
1211 min_version = DTLS1_VERSION;
1212 max_version = DTLS1_VERSION;
1213 socket_type = SOCK_DGRAM;
1217 #ifndef OPENSSL_NO_DTLS1_2
1218 meth = DTLS_client_method();
1219 min_version = DTLS1_2_VERSION;
1220 max_version = DTLS1_2_VERSION;
1221 socket_type = SOCK_DGRAM;
1225 #ifndef OPENSSL_NO_DTLS
1226 enable_timeouts = 1;
1230 #ifndef OPENSSL_NO_DTLS
1231 socket_mtu = atol(opt_arg());
1234 case OPT_FALLBACKSCSV:
1238 if (!opt_format(opt_arg(), OPT_FMT_PDE, &key_format))
1242 passarg = opt_arg();
1244 case OPT_CERT_CHAIN:
1245 chain_file = opt_arg();
1248 key_file = opt_arg();
1259 case OPT_CHAINCAPATH:
1260 chCApath = opt_arg();
1262 case OPT_VERIFYCAPATH:
1263 vfyCApath = opt_arg();
1265 case OPT_BUILD_CHAIN:
1274 #ifndef OPENSSL_NO_CT
1281 case OPT_CTLOG_FILE:
1282 ctlog_file = opt_arg();
1285 case OPT_CHAINCAFILE:
1286 chCAfile = opt_arg();
1288 case OPT_VERIFYCAFILE:
1289 vfyCAfile = opt_arg();
1291 case OPT_DANE_TLSA_DOMAIN:
1292 dane_tlsa_domain = opt_arg();
1294 case OPT_DANE_TLSA_RRDATA:
1295 if (dane_tlsa_rrset == NULL)
1296 dane_tlsa_rrset = sk_OPENSSL_STRING_new_null();
1297 if (dane_tlsa_rrset == NULL ||
1298 !sk_OPENSSL_STRING_push(dane_tlsa_rrset, opt_arg())) {
1299 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1303 case OPT_DANE_EE_NO_NAME:
1304 dane_ee_no_name = 1;
1306 case OPT_NEXTPROTONEG:
1307 #ifndef OPENSSL_NO_NEXTPROTONEG
1308 next_proto_neg_in = opt_arg();
1312 alpn_in = opt_arg();
1314 case OPT_SERVERINFO:
1317 for (start = 0, i = 0; i <= len; ++i) {
1318 if (i == len || p[i] == ',') {
1319 serverinfo_types[serverinfo_count] = atoi(p + start);
1320 if (++serverinfo_count == MAX_SI_TYPES)
1327 if (!opt_pair(opt_arg(), services, &starttls_proto))
1330 case OPT_SERVERNAME:
1331 servername = opt_arg();
1334 srtp_profiles = opt_arg();
1336 case OPT_KEYMATEXPORT:
1337 keymatexportlabel = opt_arg();
1339 case OPT_KEYMATEXPORTLEN:
1340 keymatexportlen = atoi(opt_arg());
1345 case OPT_SPLIT_SEND_FRAG:
1346 split_send_fragment = atoi(opt_arg());
1347 if (split_send_fragment == 0) {
1349 * Not allowed - set to a deliberately bad value so we get an
1350 * error message below
1352 split_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH + 1;
1355 case OPT_MAX_PIPELINES:
1356 max_pipelines = atoi(opt_arg());
1359 read_buf_len = atoi(opt_arg());
1363 if (count4or6 >= 2) {
1364 BIO_printf(bio_err, "%s: Can't use both -4 and -6\n", prog);
1367 argc = opt_num_rest();
1373 char *tmp_host = host, *tmp_port = port;
1374 if (connectstr == NULL) {
1375 BIO_printf(bio_err, "%s: -proxy requires use of -connect\n", prog);
1378 res = BIO_parse_hostserv(proxystr, &host, &port, BIO_PARSE_PRIO_HOST);
1379 if (tmp_host != host)
1380 OPENSSL_free(tmp_host);
1381 if (tmp_port != port)
1382 OPENSSL_free(tmp_port);
1385 "%s: -proxy argument malformed or ambiguous\n", prog);
1390 char *tmp_host = host, *tmp_port = port;
1391 if (connectstr != NULL)
1392 res = BIO_parse_hostserv(connectstr, &host, &port,
1393 BIO_PARSE_PRIO_HOST);
1394 if (tmp_host != host)
1395 OPENSSL_free(tmp_host);
1396 if (tmp_port != port)
1397 OPENSSL_free(tmp_port);
1400 "%s: -connect argument malformed or ambiguous\n",
1406 if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) {
1408 "Can't use unix sockets and datagrams together\n");
1412 if (split_send_fragment > SSL3_RT_MAX_PLAIN_LENGTH) {
1413 BIO_printf(bio_err, "Bad split send fragment size\n");
1417 if (max_pipelines > SSL_MAX_PIPELINES) {
1418 BIO_printf(bio_err, "Bad max pipelines value\n");
1422 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1423 next_proto.status = -1;
1424 if (next_proto_neg_in) {
1426 next_protos_parse(&next_proto.len, next_proto_neg_in);
1427 if (next_proto.data == NULL) {
1428 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n");
1432 next_proto.data = NULL;
1435 if (!app_passwd(passarg, NULL, &pass, NULL)) {
1436 BIO_printf(bio_err, "Error getting password\n");
1440 if (key_file == NULL)
1441 key_file = cert_file;
1444 key = load_key(key_file, key_format, 0, pass, e,
1445 "client certificate private key file");
1447 ERR_print_errors(bio_err);
1453 cert = load_cert(cert_file, cert_format, "client certificate file");
1455 ERR_print_errors(bio_err);
1461 if (!load_certs(chain_file, &chain, FORMAT_PEM, NULL,
1462 "client certificate chain"))
1468 crl = load_crl(crl_file, crl_format);
1470 BIO_puts(bio_err, "Error loading CRL\n");
1471 ERR_print_errors(bio_err);
1474 crls = sk_X509_CRL_new_null();
1475 if (crls == NULL || !sk_X509_CRL_push(crls, crl)) {
1476 BIO_puts(bio_err, "Error adding CRL\n");
1477 ERR_print_errors(bio_err);
1483 if (!load_excert(&exc))
1486 if (!app_RAND_load_file(NULL, 1) && inrand == NULL
1487 && !RAND_status()) {
1489 "warning, not much extra random data, consider using the -rand option\n");
1491 if (inrand != NULL) {
1492 randamt = app_RAND_load_files(inrand);
1493 BIO_printf(bio_err, "%ld semi-random bytes loaded\n", randamt);
1496 if (bio_c_out == NULL) {
1497 if (c_quiet && !c_debug) {
1498 bio_c_out = BIO_new(BIO_s_null());
1499 if (c_msg && !bio_c_msg)
1500 bio_c_msg = dup_bio_out(FORMAT_TEXT);
1501 } else if (bio_c_out == NULL)
1502 bio_c_out = dup_bio_out(FORMAT_TEXT);
1504 #ifndef OPENSSL_NO_SRP
1505 if (!app_passwd(srppass, NULL, &srp_arg.srppassin, NULL)) {
1506 BIO_printf(bio_err, "Error getting password\n");
1511 ctx = SSL_CTX_new(meth);
1513 ERR_print_errors(bio_err);
1518 ssl_ctx_security_debug(ctx, sdebug);
1521 if (SSL_CTX_config(ctx, ssl_config) == 0) {
1522 BIO_printf(bio_err, "Error using configuration \"%s\"\n",
1524 ERR_print_errors(bio_err);
1529 if (SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
1531 if (SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
1534 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
1535 BIO_printf(bio_err, "Error setting verify params\n");
1536 ERR_print_errors(bio_err);
1541 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
1543 if (split_send_fragment > 0) {
1544 SSL_CTX_set_split_send_fragment(ctx, split_send_fragment);
1546 if (max_pipelines > 0) {
1547 SSL_CTX_set_max_pipelines(ctx, max_pipelines);
1550 if (read_buf_len > 0) {
1551 SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len);
1554 if (!config_ctx(cctx, ssl_args, ctx))
1557 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1558 crls, crl_download)) {
1559 BIO_printf(bio_err, "Error loading store locations\n");
1560 ERR_print_errors(bio_err);
1563 #ifndef OPENSSL_NO_ENGINE
1564 if (ssl_client_engine) {
1565 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine)) {
1566 BIO_puts(bio_err, "Error setting client auth engine\n");
1567 ERR_print_errors(bio_err);
1568 ENGINE_free(ssl_client_engine);
1571 ENGINE_free(ssl_client_engine);
1575 #ifndef OPENSSL_NO_PSK
1576 if (psk_key != NULL) {
1578 BIO_printf(bio_c_out, "PSK key given, setting client callback\n");
1579 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
1582 #ifndef OPENSSL_NO_SRTP
1583 if (srtp_profiles != NULL) {
1584 /* Returns 0 on success! */
1585 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
1586 BIO_printf(bio_err, "Error setting SRTP profile\n");
1587 ERR_print_errors(bio_err);
1594 ssl_ctx_set_excert(ctx, exc);
1596 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1597 if (next_proto.data)
1598 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
1602 unsigned char *alpn = next_protos_parse(&alpn_len, alpn_in);
1605 BIO_printf(bio_err, "Error parsing -alpn argument\n");
1608 /* Returns 0 on success! */
1609 if (SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len) != 0) {
1610 BIO_printf(bio_err, "Error setting ALPN\n");
1616 for (i = 0; i < serverinfo_count; i++) {
1617 if (!SSL_CTX_add_client_custom_ext(ctx,
1618 serverinfo_types[i],
1620 serverinfo_cli_parse_cb, NULL)) {
1622 "Warning: Unable to add custom extension %u, skipping\n",
1623 serverinfo_types[i]);
1628 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1630 #ifndef OPENSSL_NO_CT
1631 /* Enable SCT processing, without early connection termination */
1632 if (ct_validation &&
1633 !SSL_CTX_enable_ct(ctx, SSL_CT_VALIDATION_PERMISSIVE)) {
1634 ERR_print_errors(bio_err);
1638 if (!ctx_set_ctlog_list_file(ctx, ctlog_file)) {
1639 if (ct_validation) {
1640 ERR_print_errors(bio_err);
1645 * If CT validation is not enabled, the log list isn't needed so don't
1646 * show errors or abort. We try to load it regardless because then we
1647 * can show the names of the logs any SCTs came from (SCTs may be seen
1648 * even with validation disabled).
1654 SSL_CTX_set_verify(ctx, verify, verify_callback);
1656 if (!ctx_set_verify_locations(ctx, CAfile, CApath, noCAfile, noCApath)) {
1657 ERR_print_errors(bio_err);
1661 ssl_ctx_add_crls(ctx, crls, crl_download);
1663 if (!set_cert_key_stuff(ctx, cert, key, chain, build_chain))
1666 if (servername != NULL) {
1667 tlsextcbp.biodebug = bio_err;
1668 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1669 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1671 # ifndef OPENSSL_NO_SRP
1672 if (srp_arg.srplogin) {
1673 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin)) {
1674 BIO_printf(bio_err, "Unable to set SRP username\n");
1677 srp_arg.msg = c_msg;
1678 srp_arg.debug = c_debug;
1679 SSL_CTX_set_srp_cb_arg(ctx, &srp_arg);
1680 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb);
1681 SSL_CTX_set_srp_strength(ctx, srp_arg.strength);
1682 if (c_msg || c_debug || srp_arg.amp == 0)
1683 SSL_CTX_set_srp_verify_param_callback(ctx,
1684 ssl_srp_verify_param_cb);
1688 if (dane_tlsa_domain != NULL) {
1689 if (SSL_CTX_dane_enable(ctx) <= 0) {
1691 "%s: Error enabling DANE TLSA authentication.\n",
1693 ERR_print_errors(bio_err);
1699 * In TLSv1.3 NewSessionTicket messages arrive after the handshake and can
1700 * come at any time. Therefore we use a callback to write out the session
1701 * when we know about it. This approach works for < TLSv1.3 as well.
1704 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_CLIENT
1705 | SSL_SESS_CACHE_NO_INTERNAL_STORE);
1706 SSL_CTX_sess_set_new_cb(ctx, new_session_cb);
1712 BIO *stmp = BIO_new_file(sess_in, "r");
1714 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1715 ERR_print_errors(bio_err);
1718 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1721 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1722 ERR_print_errors(bio_err);
1725 if (!SSL_set_session(con, sess)) {
1726 BIO_printf(bio_err, "Can't set session\n");
1727 ERR_print_errors(bio_err);
1730 SSL_SESSION_free(sess);
1734 SSL_set_mode(con, SSL_MODE_SEND_FALLBACK_SCSV);
1736 if (servername != NULL) {
1737 if (!SSL_set_tlsext_host_name(con, servername)) {
1738 BIO_printf(bio_err, "Unable to set TLS servername extension.\n");
1739 ERR_print_errors(bio_err);
1744 if (dane_tlsa_domain != NULL) {
1745 if (SSL_dane_enable(con, dane_tlsa_domain) <= 0) {
1746 BIO_printf(bio_err, "%s: Error enabling DANE TLSA "
1747 "authentication.\n", prog);
1748 ERR_print_errors(bio_err);
1751 if (dane_tlsa_rrset == NULL) {
1752 BIO_printf(bio_err, "%s: DANE TLSA authentication requires at "
1753 "least one -dane_tlsa_rrdata option.\n", prog);
1756 if (tlsa_import_rrset(con, dane_tlsa_rrset) <= 0) {
1757 BIO_printf(bio_err, "%s: Failed to import any TLSA "
1758 "records.\n", prog);
1761 if (dane_ee_no_name)
1762 SSL_dane_set_flags(con, DANE_FLAG_NO_DANE_EE_NAMECHECKS);
1763 } else if (dane_tlsa_rrset != NULL) {
1764 BIO_printf(bio_err, "%s: DANE TLSA authentication requires the "
1765 "-dane_tlsa_domain option.\n", prog);
1770 if (init_client(&s, host, port, socket_family, socket_type) == 0) {
1771 BIO_printf(bio_err, "connect:errno=%d\n", get_last_socket_error());
1775 BIO_printf(bio_c_out, "CONNECTED(%08X)\n", s);
1778 if (!BIO_socket_nbio(s, 1)) {
1779 ERR_print_errors(bio_err);
1782 BIO_printf(bio_c_out, "Turned on non blocking io\n");
1784 #ifndef OPENSSL_NO_DTLS
1785 if (socket_type == SOCK_DGRAM) {
1786 union BIO_sock_info_u peer_info;
1788 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
1789 if ((peer_info.addr = BIO_ADDR_new()) == NULL) {
1790 BIO_printf(bio_err, "memory allocation failure\n");
1794 if (!BIO_sock_info(s, BIO_SOCK_INFO_ADDRESS, &peer_info)) {
1795 BIO_printf(bio_err, "getsockname:errno=%d\n",
1796 get_last_socket_error());
1797 BIO_ADDR_free(peer_info.addr);
1802 (void)BIO_ctrl_set_connected(sbio, peer_info.addr);
1803 BIO_ADDR_free(peer_info.addr);
1804 peer_info.addr = NULL;
1806 if (enable_timeouts) {
1808 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1809 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1812 timeout.tv_usec = DGRAM_SND_TIMEOUT;
1813 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1817 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
1818 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
1819 DTLS_get_link_min_mtu(con));
1823 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1824 if (!DTLS_set_link_mtu(con, socket_mtu)) {
1825 BIO_printf(bio_err, "Failed to set MTU\n");
1830 /* want to do MTU discovery */
1831 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1833 #endif /* OPENSSL_NO_DTLS */
1834 sbio = BIO_new_socket(s, BIO_NOCLOSE);
1839 test = BIO_new(BIO_f_nbio_test());
1840 sbio = BIO_push(test, sbio);
1844 BIO_set_callback(sbio, bio_dump_callback);
1845 BIO_set_callback_arg(sbio, (char *)bio_c_out);
1848 #ifndef OPENSSL_NO_SSL_TRACE
1850 SSL_set_msg_callback(con, SSL_trace);
1853 SSL_set_msg_callback(con, msg_cb);
1854 SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out);
1857 if (c_tlsextdebug) {
1858 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1859 SSL_set_tlsext_debug_arg(con, bio_c_out);
1861 #ifndef OPENSSL_NO_OCSP
1863 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
1864 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
1865 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
1869 SSL_set_bio(con, sbio, sbio);
1870 SSL_set_connect_state(con);
1872 /* ok, lets connect */
1873 if (fileno_stdin() > SSL_get_fd(con))
1874 width = fileno_stdin() + 1;
1876 width = SSL_get_fd(con) + 1;
1889 switch ((PROTOCOL_CHOICE) starttls_proto) {
1896 * This is an ugly hack that does a lot of assumptions. We do
1897 * have to handle multi-line responses which may come in a single
1898 * packet or not. We therefore have to use BIO_gets() which does
1899 * need a buffering BIO. So during the initial chitchat we do
1900 * push a buffering BIO into the chain that is removed again
1901 * later on to not disturb the rest of the s_client operation.
1904 BIO *fbio = BIO_new(BIO_f_buffer());
1905 BIO_push(fbio, sbio);
1906 /* Wait for multi-line response to end from LMTP or SMTP */
1908 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1910 while (mbuf_len > 3 && mbuf[3] == '-');
1911 if (starttls_proto == (int)PROTO_LMTP)
1912 BIO_printf(fbio, "LHLO %s\r\n", ehlo);
1914 BIO_printf(fbio, "EHLO %s\r\n", ehlo);
1915 (void)BIO_flush(fbio);
1917 * Wait for multi-line response to end LHLO LMTP or EHLO SMTP
1921 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1922 if (strstr(mbuf, "STARTTLS"))
1925 while (mbuf_len > 3 && mbuf[3] == '-');
1926 (void)BIO_flush(fbio);
1931 "didn't find starttls in server response,"
1932 " trying anyway...\n");
1933 BIO_printf(sbio, "STARTTLS\r\n");
1934 BIO_read(sbio, sbuf, BUFSIZZ);
1939 BIO_read(sbio, mbuf, BUFSIZZ);
1940 BIO_printf(sbio, "STLS\r\n");
1941 mbuf_len = BIO_read(sbio, sbuf, BUFSIZZ);
1943 BIO_printf(bio_err, "BIO_read failed\n");
1951 BIO *fbio = BIO_new(BIO_f_buffer());
1952 BIO_push(fbio, sbio);
1953 BIO_gets(fbio, mbuf, BUFSIZZ);
1954 /* STARTTLS command requires CAPABILITY... */
1955 BIO_printf(fbio, ". CAPABILITY\r\n");
1956 (void)BIO_flush(fbio);
1957 /* wait for multi-line CAPABILITY response */
1959 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1960 if (strstr(mbuf, "STARTTLS"))
1963 while (mbuf_len > 3 && mbuf[0] != '.');
1964 (void)BIO_flush(fbio);
1969 "didn't find STARTTLS in server response,"
1970 " trying anyway...\n");
1971 BIO_printf(sbio, ". STARTTLS\r\n");
1972 BIO_read(sbio, sbuf, BUFSIZZ);
1977 BIO *fbio = BIO_new(BIO_f_buffer());
1978 BIO_push(fbio, sbio);
1979 /* wait for multi-line response to end from FTP */
1981 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1983 while (mbuf_len > 3 && mbuf[3] == '-');
1984 (void)BIO_flush(fbio);
1987 BIO_printf(sbio, "AUTH TLS\r\n");
1988 BIO_read(sbio, sbuf, BUFSIZZ);
1992 case PROTO_XMPP_SERVER:
1995 BIO_printf(sbio, "<stream:stream "
1996 "xmlns:stream='http://etherx.jabber.org/streams' "
1997 "xmlns='jabber:%s' to='%s' version='1.0'>",
1998 starttls_proto == PROTO_XMPP ? "client" : "server",
1999 xmpphost ? xmpphost : host);
2000 seen = BIO_read(sbio, mbuf, BUFSIZZ);
2003 (mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")
2005 "<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\""))
2007 seen = BIO_read(sbio, mbuf, BUFSIZZ);
2015 "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
2016 seen = BIO_read(sbio, sbuf, BUFSIZZ);
2018 if (!strstr(sbuf, "<proceed"))
2025 static const unsigned char tls_do[] = {
2026 /* IAC DO START_TLS */
2029 static const unsigned char tls_will[] = {
2030 /* IAC WILL START_TLS */
2033 static const unsigned char tls_follows[] = {
2034 /* IAC SB START_TLS FOLLOWS IAC SE */
2035 255, 250, 46, 1, 255, 240
2039 /* Telnet server should demand we issue START_TLS */
2040 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
2041 if (bytes != 3 || memcmp(mbuf, tls_do, 3) != 0)
2043 /* Agree to issue START_TLS and send the FOLLOWS sub-command */
2044 BIO_write(sbio, tls_will, 3);
2045 BIO_write(sbio, tls_follows, 6);
2046 (void)BIO_flush(sbio);
2047 /* Telnet server also sent the FOLLOWS sub-command */
2048 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
2049 if (bytes != 6 || memcmp(mbuf, tls_follows, 6) != 0)
2056 error_proto, /* Wrong protocol, not even HTTP */
2057 error_connect, /* CONNECT failed */
2059 } foundit = error_connect;
2060 BIO *fbio = BIO_new(BIO_f_buffer());
2062 BIO_push(fbio, sbio);
2063 BIO_printf(fbio, "CONNECT %s HTTP/1.0\r\n\r\n", connectstr);
2064 (void)BIO_flush(fbio);
2066 * The first line is the HTTP response. According to RFC 7230,
2067 * it's formated exactly like this:
2069 * HTTP/d.d ddd Reason text\r\n
2071 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2072 if (mbuf[8] != ' ') {
2074 "%s: HTTP CONNECT failed, incorrect response "
2075 "from proxy\n", prog);
2076 foundit = error_proto;
2077 } else if (mbuf[9] != '2') {
2078 BIO_printf(bio_err, "%s: HTTP CONNECT failed: %s ", prog,
2083 if (foundit != error_proto) {
2084 /* Read past all following headers */
2086 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2087 } while (mbuf_len > 2);
2089 (void)BIO_flush(fbio);
2092 if (foundit != success) {
2100 BIO *fbio = BIO_new(BIO_f_buffer());
2102 BIO_push(fbio, sbio);
2103 BIO_printf(fbio, "STARTTLS\r\n");
2104 (void)BIO_flush(fbio);
2105 width = SSL_get_fd(con) + 1;
2111 openssl_fdset(SSL_get_fd(con), &readfds);
2112 timeout.tv_sec = S_CLIENT_IRC_READ_TIMEOUT;
2113 timeout.tv_usec = 0;
2115 * If the IRCd doesn't respond within
2116 * S_CLIENT_IRC_READ_TIMEOUT seconds, assume
2117 * it doesn't support STARTTLS. Many IRCds
2118 * will not give _any_ sort of response to a
2119 * STARTTLS command when it's not supported.
2121 if (!BIO_get_buffer_num_lines(fbio)
2122 && !BIO_pending(fbio)
2123 && !BIO_pending(sbio)
2124 && select(width, (void *)&readfds, NULL, NULL,
2127 "Timeout waiting for response (%d seconds).\n",
2128 S_CLIENT_IRC_READ_TIMEOUT);
2132 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2133 if (mbuf_len < 1 || sscanf(mbuf, "%*s %d", &numeric) != 1)
2135 /* :example.net 451 STARTTLS :You have not registered */
2136 /* :example.net 421 STARTTLS :Unknown command */
2137 if ((numeric == 451 || numeric == 421)
2138 && strstr(mbuf, "STARTTLS") != NULL) {
2139 BIO_printf(bio_err, "STARTTLS not supported: %s", mbuf);
2142 if (numeric == 691) {
2143 BIO_printf(bio_err, "STARTTLS negotiation failed: ");
2144 ERR_print_errors(bio_err);
2147 } while (numeric != 670);
2149 (void)BIO_flush(fbio);
2152 if (numeric != 670) {
2153 BIO_printf(bio_err, "Server does not support STARTTLS.\n");
2159 case PROTO_POSTGRES:
2161 static const unsigned char ssl_request[] = {
2162 /* Length SSLRequest */
2163 0, 0, 0, 8, 4, 210, 22, 47
2167 /* Send SSLRequest packet */
2168 BIO_write(sbio, ssl_request, 8);
2169 (void)BIO_flush(sbio);
2171 /* Reply will be a single S if SSL is enabled */
2172 bytes = BIO_read(sbio, sbuf, BUFSIZZ);
2173 if (bytes != 1 || sbuf[0] != 'S')
2180 BIO *fbio = BIO_new(BIO_f_buffer());
2182 BIO_push(fbio, sbio);
2183 BIO_gets(fbio, mbuf, BUFSIZZ);
2184 /* STARTTLS command requires CAPABILITIES... */
2185 BIO_printf(fbio, "CAPABILITIES\r\n");
2186 (void)BIO_flush(fbio);
2187 /* wait for multi-line CAPABILITIES response */
2189 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2190 if (strstr(mbuf, "STARTTLS"))
2192 } while (mbuf_len > 1 && mbuf[0] != '.');
2193 (void)BIO_flush(fbio);
2198 "Didn't find STARTTLS in server response,"
2199 " trying anyway...\n");
2200 BIO_printf(sbio, "STARTTLS\r\n");
2201 BIO_read(sbio, sbuf, BUFSIZZ);
2210 if ((SSL_version(con) == DTLS1_VERSION) &&
2211 DTLSv1_get_timeout(con, &timeout))
2212 timeoutp = &timeout;
2216 if (SSL_in_init(con) && !SSL_total_renegotiations(con)) {
2224 if (servername != NULL && !SSL_session_reused(con)) {
2225 BIO_printf(bio_c_out,
2226 "Server did %sacknowledge servername extension.\n",
2227 tlsextcbp.ack ? "" : "not ");
2231 BIO_puts(bio_err, "CONNECTION ESTABLISHED\n");
2232 print_ssl_summary(con);
2235 print_stuff(bio_c_out, con, full_log);
2239 if (starttls_proto) {
2240 BIO_write(bio_err, mbuf, mbuf_len);
2241 /* We don't need to know any more */
2243 starttls_proto = PROTO_OFF;
2248 BIO_printf(bio_c_out,
2249 "drop connection and then reconnect\n");
2250 do_ssl_shutdown(con);
2251 SSL_set_connect_state(con);
2252 BIO_closesocket(SSL_get_fd(con));
2258 ssl_pending = read_ssl && SSL_has_pending(con);
2261 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
2264 * Note that select() returns when read _would not block_,
2265 * and EOF satisfies that. To avoid a CPU-hogging loop,
2266 * set the flag so we exit.
2268 if (read_tty && !at_eof)
2269 openssl_fdset(fileno_stdin(), &readfds);
2270 #if !defined(OPENSSL_SYS_VMS)
2272 openssl_fdset(fileno_stdout(), &writefds);
2276 openssl_fdset(SSL_get_fd(con), &readfds);
2278 openssl_fdset(SSL_get_fd(con), &writefds);
2280 if (!tty_on || !write_tty) {
2282 openssl_fdset(SSL_get_fd(con), &readfds);
2284 openssl_fdset(SSL_get_fd(con), &writefds);
2289 * Note: under VMS with SOCKETSHR the second parameter is
2290 * currently of type (int *) whereas under other systems it is
2291 * (void *) if you don't have a cast it will choke the compiler:
2292 * if you do have a cast then you can either go for (int *) or
2295 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2297 * Under Windows/DOS we make the assumption that we can always
2298 * write to the tty: therefore if we need to write to the tty we
2299 * just fall through. Otherwise we timeout the select every
2300 * second and see if there are any keypresses. Note: this is a
2301 * hack, in a proper Windows application we wouldn't do this.
2308 i = select(width, (void *)&readfds, (void *)&writefds,
2310 if (!i && (!has_stdin_waiting() || !read_tty))
2313 i = select(width, (void *)&readfds, (void *)&writefds,
2317 i = select(width, (void *)&readfds, (void *)&writefds,
2321 BIO_printf(bio_err, "bad select %d\n",
2322 get_last_socket_error());
2328 if ((SSL_version(con) == DTLS1_VERSION)
2329 && DTLSv1_handle_timeout(con) > 0) {
2330 BIO_printf(bio_err, "TIMEOUT occurred\n");
2333 if (!ssl_pending && FD_ISSET(SSL_get_fd(con), &writefds)) {
2334 k = SSL_write(con, &(cbuf[cbuf_off]), (unsigned int)cbuf_len);
2335 switch (SSL_get_error(con, k)) {
2336 case SSL_ERROR_NONE:
2341 /* we have done a write(con,NULL,0); */
2342 if (cbuf_len <= 0) {
2345 } else { /* if (cbuf_len > 0) */
2351 case SSL_ERROR_WANT_WRITE:
2352 BIO_printf(bio_c_out, "write W BLOCK\n");
2356 case SSL_ERROR_WANT_ASYNC:
2357 BIO_printf(bio_c_out, "write A BLOCK\n");
2358 wait_for_async(con);
2362 case SSL_ERROR_WANT_READ:
2363 BIO_printf(bio_c_out, "write R BLOCK\n");
2368 case SSL_ERROR_WANT_X509_LOOKUP:
2369 BIO_printf(bio_c_out, "write X BLOCK\n");
2371 case SSL_ERROR_ZERO_RETURN:
2372 if (cbuf_len != 0) {
2373 BIO_printf(bio_c_out, "shutdown\n");
2382 case SSL_ERROR_SYSCALL:
2383 if ((k != 0) || (cbuf_len != 0)) {
2384 BIO_printf(bio_err, "write:errno=%d\n",
2385 get_last_socket_error());
2392 case SSL_ERROR_WANT_ASYNC_JOB:
2393 /* This shouldn't ever happen in s_client - treat as an error */
2395 ERR_print_errors(bio_err);
2399 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_VMS)
2400 /* Assume Windows/DOS/BeOS can always write */
2401 else if (!ssl_pending && write_tty)
2403 else if (!ssl_pending && FD_ISSET(fileno_stdout(), &writefds))
2406 #ifdef CHARSET_EBCDIC
2407 ascii2ebcdic(&(sbuf[sbuf_off]), &(sbuf[sbuf_off]), sbuf_len);
2409 i = raw_write_stdout(&(sbuf[sbuf_off]), sbuf_len);
2412 BIO_printf(bio_c_out, "DONE\n");
2420 if (sbuf_len <= 0) {
2424 } else if (ssl_pending || FD_ISSET(SSL_get_fd(con), &readfds)) {
2429 SSL_renegotiate(con);
2434 k = SSL_read(con, sbuf, 1024 /* BUFSIZZ */ );
2436 switch (SSL_get_error(con, k)) {
2437 case SSL_ERROR_NONE:
2446 case SSL_ERROR_WANT_ASYNC:
2447 BIO_printf(bio_c_out, "read A BLOCK\n");
2448 wait_for_async(con);
2451 if ((read_tty == 0) && (write_ssl == 0))
2454 case SSL_ERROR_WANT_WRITE:
2455 BIO_printf(bio_c_out, "read W BLOCK\n");
2459 case SSL_ERROR_WANT_READ:
2460 BIO_printf(bio_c_out, "read R BLOCK\n");
2463 if ((read_tty == 0) && (write_ssl == 0))
2466 case SSL_ERROR_WANT_X509_LOOKUP:
2467 BIO_printf(bio_c_out, "read X BLOCK\n");
2469 case SSL_ERROR_SYSCALL:
2470 ret = get_last_socket_error();
2472 BIO_puts(bio_err, "CONNECTION CLOSED BY SERVER\n");
2474 BIO_printf(bio_err, "read:errno=%d\n", ret);
2476 case SSL_ERROR_ZERO_RETURN:
2477 BIO_printf(bio_c_out, "closed\n");
2480 case SSL_ERROR_WANT_ASYNC_JOB:
2481 /* This shouldn't ever happen in s_client. Treat as an error */
2483 ERR_print_errors(bio_err);
2488 /* OPENSSL_SYS_MSDOS includes OPENSSL_SYS_WINDOWS */
2489 #if defined(OPENSSL_SYS_MSDOS)
2490 else if (has_stdin_waiting())
2492 else if (FD_ISSET(fileno_stdin(), &readfds))
2498 i = raw_read_stdin(cbuf, BUFSIZZ / 2);
2500 /* both loops are skipped when i <= 0 */
2501 for (j = 0; j < i; j++)
2502 if (cbuf[j] == '\n')
2504 for (j = i - 1; j >= 0; j--) {
2505 cbuf[j + lf_num] = cbuf[j];
2506 if (cbuf[j] == '\n') {
2509 cbuf[j + lf_num] = '\r';
2512 assert(lf_num == 0);
2514 i = raw_read_stdin(cbuf, BUFSIZZ);
2515 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
2520 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q' && cmdletters))) {
2521 BIO_printf(bio_err, "DONE\n");
2526 if ((!c_ign_eof) && (cbuf[0] == 'R' && cmdletters)) {
2527 BIO_printf(bio_err, "RENEGOTIATING\n");
2528 SSL_renegotiate(con);
2531 #ifndef OPENSSL_NO_HEARTBEATS
2532 else if ((!c_ign_eof) && (cbuf[0] == 'B' && cmdletters)) {
2533 BIO_printf(bio_err, "HEARTBEATING\n");
2541 #ifdef CHARSET_EBCDIC
2542 ebcdic2ascii(cbuf, cbuf, i);
2554 print_stuff(bio_c_out, con, full_log);
2555 do_ssl_shutdown(con);
2556 #if defined(OPENSSL_SYS_WINDOWS)
2558 * Give the socket time to send its last data before we close it.
2559 * No amount of setting SO_LINGER etc on the socket seems to persuade
2560 * Windows to send the data before closing the socket...but sleeping
2561 * for a short time seems to do it (units in ms)
2562 * TODO: Find a better way to do this
2566 BIO_closesocket(SSL_get_fd(con));
2570 print_stuff(bio_c_out, con, 1);
2573 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2574 OPENSSL_free(next_proto.data);
2578 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2580 sk_X509_pop_free(chain, X509_free);
2582 #ifndef OPENSSL_NO_SRP
2583 OPENSSL_free(srp_arg.srppassin);
2585 OPENSSL_free(connectstr);
2588 X509_VERIFY_PARAM_free(vpm);
2589 ssl_excert_free(exc);
2590 sk_OPENSSL_STRING_free(ssl_args);
2591 sk_OPENSSL_STRING_free(dane_tlsa_rrset);
2592 SSL_CONF_CTX_free(cctx);
2593 OPENSSL_clear_free(cbuf, BUFSIZZ);
2594 OPENSSL_clear_free(sbuf, BUFSIZZ);
2595 OPENSSL_clear_free(mbuf, BUFSIZZ);
2597 BIO_free(bio_c_out);
2599 BIO_free(bio_c_msg);
2604 static void print_stuff(BIO *bio, SSL *s, int full)
2609 STACK_OF(X509_NAME) *sk2;
2610 const SSL_CIPHER *c;
2613 #ifndef OPENSSL_NO_COMP
2614 const COMP_METHOD *comp, *expansion;
2616 unsigned char *exportedkeymat;
2617 #ifndef OPENSSL_NO_CT
2618 const SSL_CTX *ctx = SSL_get_SSL_CTX(s);
2622 int got_a_chain = 0;
2624 sk = SSL_get_peer_cert_chain(s);
2628 BIO_printf(bio, "---\nCertificate chain\n");
2629 for (i = 0; i < sk_X509_num(sk); i++) {
2630 X509_NAME_oneline(X509_get_subject_name(sk_X509_value(sk, i)),
2632 BIO_printf(bio, "%2d s:%s\n", i, buf);
2633 X509_NAME_oneline(X509_get_issuer_name(sk_X509_value(sk, i)),
2635 BIO_printf(bio, " i:%s\n", buf);
2637 PEM_write_bio_X509(bio, sk_X509_value(sk, i));
2641 BIO_printf(bio, "---\n");
2642 peer = SSL_get_peer_certificate(s);
2644 BIO_printf(bio, "Server certificate\n");
2646 /* Redundant if we showed the whole chain */
2647 if (!(c_showcerts && got_a_chain))
2648 PEM_write_bio_X509(bio, peer);
2649 X509_NAME_oneline(X509_get_subject_name(peer), buf, sizeof buf);
2650 BIO_printf(bio, "subject=%s\n", buf);
2651 X509_NAME_oneline(X509_get_issuer_name(peer), buf, sizeof buf);
2652 BIO_printf(bio, "issuer=%s\n", buf);
2654 BIO_printf(bio, "no peer certificate available\n");
2656 sk2 = SSL_get_client_CA_list(s);
2657 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0)) {
2658 BIO_printf(bio, "---\nAcceptable client certificate CA names\n");
2659 for (i = 0; i < sk_X509_NAME_num(sk2); i++) {
2660 xn = sk_X509_NAME_value(sk2, i);
2661 X509_NAME_oneline(xn, buf, sizeof(buf));
2662 BIO_write(bio, buf, strlen(buf));
2663 BIO_write(bio, "\n", 1);
2666 BIO_printf(bio, "---\nNo client certificate CA names sent\n");
2669 ssl_print_sigalgs(bio, s);
2670 ssl_print_tmp_key(bio, s);
2672 #ifndef OPENSSL_NO_CT
2674 * When the SSL session is anonymous, or resumed via an abbreviated
2675 * handshake, no SCTs are provided as part of the handshake. While in
2676 * a resumed session SCTs may be present in the session's certificate,
2677 * no callbacks are invoked to revalidate these, and in any case that
2678 * set of SCTs may be incomplete. Thus it makes little sense to
2679 * attempt to display SCTs from a resumed session's certificate, and of
2680 * course none are associated with an anonymous peer.
2682 if (peer != NULL && !SSL_session_reused(s) && SSL_ct_is_enabled(s)) {
2683 const STACK_OF(SCT) *scts = SSL_get0_peer_scts(s);
2684 int sct_count = scts != NULL ? sk_SCT_num(scts) : 0;
2686 BIO_printf(bio, "---\nSCTs present (%i)\n", sct_count);
2687 if (sct_count > 0) {
2688 const CTLOG_STORE *log_store = SSL_CTX_get0_ctlog_store(ctx);
2690 BIO_printf(bio, "---\n");
2691 for (i = 0; i < sct_count; ++i) {
2692 SCT *sct = sk_SCT_value(scts, i);
2694 BIO_printf(bio, "SCT validation status: %s\n",
2695 SCT_validation_status_string(sct));
2696 SCT_print(sct, bio, 0, log_store);
2697 if (i < sct_count - 1)
2698 BIO_printf(bio, "\n---\n");
2700 BIO_printf(bio, "\n");
2706 "---\nSSL handshake has read %" PRIu64
2707 " bytes and written %" PRIu64 " bytes\n",
2708 BIO_number_read(SSL_get_rbio(s)),
2709 BIO_number_written(SSL_get_wbio(s)));
2711 print_verify_detail(s, bio);
2712 BIO_printf(bio, (SSL_session_reused(s) ? "---\nReused, " : "---\nNew, "));
2713 c = SSL_get_current_cipher(s);
2714 BIO_printf(bio, "%s, Cipher is %s\n",
2715 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
2719 pktmp = X509_get0_pubkey(peer);
2720 BIO_printf(bio, "Server public key is %d bit\n",
2721 EVP_PKEY_bits(pktmp));
2723 BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
2724 SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
2725 #ifndef OPENSSL_NO_COMP
2726 comp = SSL_get_current_compression(s);
2727 expansion = SSL_get_current_expansion(s);
2728 BIO_printf(bio, "Compression: %s\n",
2729 comp ? SSL_COMP_get_name(comp) : "NONE");
2730 BIO_printf(bio, "Expansion: %s\n",
2731 expansion ? SSL_COMP_get_name(expansion) : "NONE");
2736 /* Print out local port of connection: useful for debugging */
2738 union BIO_sock_info_u info;
2740 sock = SSL_get_fd(s);
2741 if ((info.addr = BIO_ADDR_new()) != NULL
2742 && BIO_sock_info(sock, BIO_SOCK_INFO_ADDRESS, &info)) {
2743 BIO_printf(bio_c_out, "LOCAL PORT is %u\n",
2744 ntohs(BIO_ADDR_rawport(info.addr)));
2746 BIO_ADDR_free(info.addr);
2750 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2751 if (next_proto.status != -1) {
2752 const unsigned char *proto;
2753 unsigned int proto_len;
2754 SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
2755 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
2756 BIO_write(bio, proto, proto_len);
2757 BIO_write(bio, "\n", 1);
2761 const unsigned char *proto;
2762 unsigned int proto_len;
2763 SSL_get0_alpn_selected(s, &proto, &proto_len);
2764 if (proto_len > 0) {
2765 BIO_printf(bio, "ALPN protocol: ");
2766 BIO_write(bio, proto, proto_len);
2767 BIO_write(bio, "\n", 1);
2769 BIO_printf(bio, "No ALPN negotiated\n");
2772 #ifndef OPENSSL_NO_SRTP
2774 SRTP_PROTECTION_PROFILE *srtp_profile =
2775 SSL_get_selected_srtp_profile(s);
2778 BIO_printf(bio, "SRTP Extension negotiated, profile=%s\n",
2779 srtp_profile->name);
2783 SSL_SESSION_print(bio, SSL_get_session(s));
2784 if (SSL_get_session(s) != NULL && keymatexportlabel != NULL) {
2785 BIO_printf(bio, "Keying material exporter:\n");
2786 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel);
2787 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen);
2788 exportedkeymat = app_malloc(keymatexportlen, "export key");
2789 if (!SSL_export_keying_material(s, exportedkeymat,
2792 strlen(keymatexportlabel),
2794 BIO_printf(bio, " Error\n");
2796 BIO_printf(bio, " Keying material: ");
2797 for (i = 0; i < keymatexportlen; i++)
2798 BIO_printf(bio, "%02X", exportedkeymat[i]);
2799 BIO_printf(bio, "\n");
2801 OPENSSL_free(exportedkeymat);
2803 BIO_printf(bio, "---\n");
2805 /* flush, or debugging output gets mixed with http response */
2806 (void)BIO_flush(bio);
2809 # ifndef OPENSSL_NO_OCSP
2810 static int ocsp_resp_cb(SSL *s, void *arg)
2812 const unsigned char *p;
2815 len = SSL_get_tlsext_status_ocsp_resp(s, &p);
2816 BIO_puts(arg, "OCSP response: ");
2818 BIO_puts(arg, "no response sent\n");
2821 rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
2823 BIO_puts(arg, "response parse error\n");
2824 BIO_dump_indent(arg, (char *)p, len, 4);
2827 BIO_puts(arg, "\n======================================\n");
2828 OCSP_RESPONSE_print(arg, rsp, 0);
2829 BIO_puts(arg, "======================================\n");
2830 OCSP_RESPONSE_free(rsp);
2835 #endif /* OPENSSL_NO_SOCK */