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;
94 static void print_stuff(BIO *berr, SSL *con, int full);
95 #ifndef OPENSSL_NO_OCSP
96 static int ocsp_resp_cb(SSL *s, void *arg);
99 static int saved_errno;
101 static void save_errno(void)
107 static int restore_errno(void)
114 static void do_ssl_shutdown(SSL *ssl)
119 /* We only do unidirectional shutdown */
120 ret = SSL_shutdown(ssl);
122 switch (SSL_get_error(ssl, ret)) {
123 case SSL_ERROR_WANT_READ:
124 case SSL_ERROR_WANT_WRITE:
125 case SSL_ERROR_WANT_ASYNC:
126 case SSL_ERROR_WANT_ASYNC_JOB:
127 /* We just do busy waiting. Nothing clever */
135 #ifndef OPENSSL_NO_PSK
136 /* Default PSK identity and key */
137 static char *psk_identity = "Client_identity";
139 * char *psk_key=NULL; by default PSK is not used
142 static unsigned int psk_client_cb(SSL *ssl, const char *hint, char *identity,
143 unsigned int max_identity_len,
145 unsigned int max_psk_len)
152 BIO_printf(bio_c_out, "psk_client_cb\n");
154 /* no ServerKeyExchange message */
156 BIO_printf(bio_c_out,
157 "NULL received PSK identity hint, continuing anyway\n");
159 BIO_printf(bio_c_out, "Received PSK identity hint '%s'\n", hint);
162 * lookup PSK identity and PSK key based on the given identity hint here
164 ret = BIO_snprintf(identity, max_identity_len, "%s", psk_identity);
165 if (ret < 0 || (unsigned int)ret > max_identity_len)
168 BIO_printf(bio_c_out, "created identity '%s' len=%d\n", identity,
171 /* convert the PSK key to binary */
172 key = OPENSSL_hexstr2buf(psk_key, &key_len);
174 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n",
178 if (max_psk_len > INT_MAX || key_len > (long)max_psk_len) {
180 "psk buffer of callback is too small (%d) for key (%ld)\n",
181 max_psk_len, key_len);
186 memcpy(psk, key, key_len);
190 BIO_printf(bio_c_out, "created PSK len=%ld\n", key_len);
195 BIO_printf(bio_err, "Error in PSK client callback\n");
200 /* This is a context that we pass to callbacks */
201 typedef struct tlsextctx_st {
206 static int ssl_servername_cb(SSL *s, int *ad, void *arg)
208 tlsextctx *p = (tlsextctx *) arg;
209 const char *hn = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
210 if (SSL_get_servername_type(s) != -1)
211 p->ack = !SSL_session_reused(s) && hn != NULL;
213 BIO_printf(bio_err, "Can't use SSL_get_servername\n");
215 return SSL_TLSEXT_ERR_OK;
218 #ifndef OPENSSL_NO_SRP
220 /* This is a context that we pass to all callbacks */
221 typedef struct srp_arg_st {
224 int msg; /* copy from c_msg */
225 int debug; /* copy from c_debug */
226 int amp; /* allow more groups */
227 int strength; /* minimal size for N */
230 # define SRP_NUMBER_ITERATIONS_FOR_PRIME 64
232 static int srp_Verify_N_and_g(const BIGNUM *N, const BIGNUM *g)
234 BN_CTX *bn_ctx = BN_CTX_new();
235 BIGNUM *p = BN_new();
236 BIGNUM *r = BN_new();
238 g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) &&
239 BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) == 1 &&
240 p != NULL && BN_rshift1(p, N) &&
242 BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) == 1 &&
244 /* verify g^((N-1)/2) == -1 (mod N) */
245 BN_mod_exp(r, g, p, N, bn_ctx) &&
246 BN_add_word(r, 1) && BN_cmp(r, N) == 0;
255 * This callback is used here for two purposes:
256 * - extended debugging
257 * - making some primality tests for unknown groups
258 * The callback is only called for a non default group.
260 * An application does not need the call back at all if
261 * only the standard groups are used. In real life situations,
262 * client and server already share well known groups,
263 * thus there is no need to verify them.
264 * Furthermore, in case that a server actually proposes a group that
265 * is not one of those defined in RFC 5054, it is more appropriate
266 * to add the group to a static list and then compare since
267 * primality tests are rather cpu consuming.
270 static int ssl_srp_verify_param_cb(SSL *s, void *arg)
272 SRP_ARG *srp_arg = (SRP_ARG *)arg;
273 BIGNUM *N = NULL, *g = NULL;
275 if (((N = SSL_get_srp_N(s)) == NULL) || ((g = SSL_get_srp_g(s)) == NULL))
277 if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1) {
278 BIO_printf(bio_err, "SRP parameters:\n");
279 BIO_printf(bio_err, "\tN=");
280 BN_print(bio_err, N);
281 BIO_printf(bio_err, "\n\tg=");
282 BN_print(bio_err, g);
283 BIO_printf(bio_err, "\n");
286 if (SRP_check_known_gN_param(g, N))
289 if (srp_arg->amp == 1) {
292 "SRP param N and g are not known params, going to check deeper.\n");
295 * The srp_moregroups is a real debugging feature. Implementors
296 * should rather add the value to the known ones. The minimal size
297 * has already been tested.
299 if (BN_num_bits(g) <= BN_BITS && srp_Verify_N_and_g(N, g))
302 BIO_printf(bio_err, "SRP param N and g rejected.\n");
306 # define PWD_STRLEN 1024
308 static char *ssl_give_srp_client_pwd_cb(SSL *s, void *arg)
310 SRP_ARG *srp_arg = (SRP_ARG *)arg;
311 char *pass = app_malloc(PWD_STRLEN + 1, "SRP password buffer");
315 cb_tmp.password = (char *)srp_arg->srppassin;
316 cb_tmp.prompt_info = "SRP user";
317 if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp)) < 0) {
318 BIO_printf(bio_err, "Can't read Password\n");
329 static char *srtp_profiles = NULL;
331 #ifndef OPENSSL_NO_NEXTPROTONEG
332 /* This the context that we pass to next_proto_cb */
333 typedef struct tlsextnextprotoctx_st {
337 } tlsextnextprotoctx;
339 static tlsextnextprotoctx next_proto;
341 static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen,
342 const unsigned char *in, unsigned int inlen,
345 tlsextnextprotoctx *ctx = arg;
348 /* We can assume that |in| is syntactically valid. */
350 BIO_printf(bio_c_out, "Protocols advertised by server: ");
351 for (i = 0; i < inlen;) {
353 BIO_write(bio_c_out, ", ", 2);
354 BIO_write(bio_c_out, &in[i + 1], in[i]);
357 BIO_write(bio_c_out, "\n", 1);
361 SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len);
362 return SSL_TLSEXT_ERR_OK;
364 #endif /* ndef OPENSSL_NO_NEXTPROTONEG */
366 static int serverinfo_cli_parse_cb(SSL *s, unsigned int ext_type,
367 const unsigned char *in, size_t inlen,
371 unsigned char ext_buf[4 + 65536];
373 /* Reconstruct the type/len fields prior to extension data */
374 ext_buf[0] = ext_type >> 8;
375 ext_buf[1] = ext_type & 0xFF;
376 ext_buf[2] = inlen >> 8;
377 ext_buf[3] = inlen & 0xFF;
378 memcpy(ext_buf + 4, in, inlen);
380 BIO_snprintf(pem_name, sizeof(pem_name), "SERVERINFO FOR EXTENSION %d",
382 PEM_write_bio(bio_c_out, pem_name, "", ext_buf, 4 + inlen);
387 * Hex decoder that tolerates optional whitespace. Returns number of bytes
388 * produced, advances inptr to end of input string.
390 static ossl_ssize_t hexdecode(const char **inptr, void *result)
392 unsigned char **out = (unsigned char **)result;
393 const char *in = *inptr;
394 unsigned char *ret = app_malloc(strlen(in) / 2, "hexdecode");
395 unsigned char *cp = ret;
402 for (byte = 0; *in; ++in) {
405 if (isspace(_UC(*in)))
407 x = OPENSSL_hexchar2int(*in);
413 if ((nibble ^= 1) == 0) {
426 return cp - (*out = ret);
430 * Decode unsigned 0..255, returns 1 on success, <= 0 on failure. Advances
431 * inptr to next field skipping leading whitespace.
433 static ossl_ssize_t checked_uint8(const char **inptr, void *out)
435 uint8_t *result = (uint8_t *)out;
436 const char *in = *inptr;
442 v = strtol(in, &endp, 10);
445 if (((v == LONG_MIN || v == LONG_MAX) && e == ERANGE) ||
446 endp == in || !isspace(_UC(*endp)) ||
447 v != (*result = (uint8_t) v)) {
450 for (in = endp; isspace(_UC(*in)); ++in)
460 ossl_ssize_t (*parser)(const char **, void *);
463 static int tlsa_import_rr(SSL *con, const char *rrdata)
465 /* Not necessary to re-init these values; the "parsers" do that. */
466 static uint8_t usage;
467 static uint8_t selector;
468 static uint8_t mtype;
469 static unsigned char *data;
470 static struct tlsa_field tlsa_fields[] = {
471 { &usage, "usage", checked_uint8 },
472 { &selector, "selector", checked_uint8 },
473 { &mtype, "mtype", checked_uint8 },
474 { &data, "data", hexdecode },
477 struct tlsa_field *f;
479 const char *cp = rrdata;
480 ossl_ssize_t len = 0;
482 for (f = tlsa_fields; f->var; ++f) {
483 /* Returns number of bytes produced, advances cp to next field */
484 if ((len = f->parser(&cp, f->var)) <= 0) {
485 BIO_printf(bio_err, "%s: warning: bad TLSA %s field in: %s\n",
486 prog, f->name, rrdata);
490 /* The data field is last, so len is its length */
491 ret = SSL_dane_tlsa_add(con, usage, selector, mtype, data, len);
495 ERR_print_errors(bio_err);
496 BIO_printf(bio_err, "%s: warning: unusable TLSA rrdata: %s\n",
501 ERR_print_errors(bio_err);
502 BIO_printf(bio_err, "%s: warning: error loading TLSA rrdata: %s\n",
509 static int tlsa_import_rrset(SSL *con, STACK_OF(OPENSSL_STRING) *rrset)
511 int num = sk_OPENSSL_STRING_num(rrset);
515 for (i = 0; i < num; ++i) {
516 char *rrdata = sk_OPENSSL_STRING_value(rrset, i);
517 if (tlsa_import_rr(con, rrdata) > 0)
523 typedef enum OPTION_choice {
524 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
525 OPT_4, OPT_6, OPT_HOST, OPT_PORT, OPT_CONNECT, OPT_UNIX,
526 OPT_XMPPHOST, OPT_VERIFY,
527 OPT_CERT, OPT_CRL, OPT_CRL_DOWNLOAD, OPT_SESS_OUT, OPT_SESS_IN,
528 OPT_CERTFORM, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET,
529 OPT_BRIEF, OPT_PREXIT, OPT_CRLF, OPT_QUIET, OPT_NBIO,
530 OPT_SSL_CLIENT_ENGINE, OPT_RAND, OPT_IGN_EOF, OPT_NO_IGN_EOF,
531 OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_WDEBUG,
532 OPT_MSG, OPT_MSGFILE, OPT_ENGINE, OPT_TRACE, OPT_SECURITY_DEBUG,
533 OPT_SECURITY_DEBUG_VERBOSE, OPT_SHOWCERTS, OPT_NBIO_TEST, OPT_STATE,
534 #ifndef OPENSSL_NO_PSK
535 OPT_PSK_IDENTITY, OPT_PSK,
537 #ifndef OPENSSL_NO_SRP
538 OPT_SRPUSER, OPT_SRPPASS, OPT_SRP_STRENGTH, OPT_SRP_LATEUSER,
541 OPT_SSL3, OPT_SSL_CONFIG,
542 OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1,
543 OPT_DTLS1_2, OPT_TIMEOUT, OPT_MTU, OPT_KEYFORM, OPT_PASS,
544 OPT_CERT_CHAIN, OPT_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH,
546 OPT_KEY, OPT_RECONNECT, OPT_BUILD_CHAIN, OPT_CAFILE, OPT_NOCAFILE,
547 OPT_CHAINCAFILE, OPT_VERIFYCAFILE, OPT_NEXTPROTONEG, OPT_ALPN,
548 OPT_SERVERINFO, OPT_STARTTLS, OPT_SERVERNAME,
549 OPT_USE_SRTP, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN, OPT_SMTPHOST,
550 OPT_ASYNC, OPT_SPLIT_SEND_FRAG, OPT_MAX_PIPELINES, OPT_READ_BUF,
554 OPT_FALLBACKSCSV, OPT_NOCMDS, OPT_PROXY, OPT_DANE_TLSA_DOMAIN,
555 #ifndef OPENSSL_NO_CT
556 OPT_CT, OPT_NOCT, OPT_CTLOG_FILE,
558 OPT_DANE_TLSA_RRDATA, OPT_DANE_EE_NO_NAME
561 OPTIONS s_client_options[] = {
562 {"help", OPT_HELP, '-', "Display this summary"},
563 {"host", OPT_HOST, 's', "Use -connect instead"},
564 {"port", OPT_PORT, 'p', "Use -connect instead"},
565 {"connect", OPT_CONNECT, 's',
566 "TCP/IP where to connect (default is :" PORT ")"},
567 {"proxy", OPT_PROXY, 's',
568 "Connect to via specified proxy to the real server"},
570 {"unix", OPT_UNIX, 's', "Connect over the specified Unix-domain socket"},
572 {"4", OPT_4, '-', "Use IPv4 only"},
574 {"6", OPT_6, '-', "Use IPv6 only"},
576 {"verify", OPT_VERIFY, 'p', "Turn on peer certificate verification"},
577 {"cert", OPT_CERT, '<', "Certificate file to use, PEM format assumed"},
578 {"certform", OPT_CERTFORM, 'F',
579 "Certificate format (PEM or DER) PEM default"},
580 {"key", OPT_KEY, 's', "Private key file to use, if not in -cert file"},
581 {"keyform", OPT_KEYFORM, 'E', "Key format (PEM, DER or engine) PEM default"},
582 {"pass", OPT_PASS, 's', "Private key file pass phrase source"},
583 {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
584 {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
585 {"no-CAfile", OPT_NOCAFILE, '-',
586 "Do not load the default certificates file"},
587 {"no-CApath", OPT_NOCAPATH, '-',
588 "Do not load certificates from the default certificates directory"},
589 {"dane_tlsa_domain", OPT_DANE_TLSA_DOMAIN, 's', "DANE TLSA base domain"},
590 {"dane_tlsa_rrdata", OPT_DANE_TLSA_RRDATA, 's',
591 "DANE TLSA rrdata presentation form"},
592 {"dane_ee_no_namechecks", OPT_DANE_EE_NO_NAME, '-',
593 "Disable name checks when matching DANE-EE(3) TLSA records"},
594 {"reconnect", OPT_RECONNECT, '-',
595 "Drop and re-make the connection with the same Session-ID"},
596 {"showcerts", OPT_SHOWCERTS, '-', "Show all certificates in the chain"},
597 {"debug", OPT_DEBUG, '-', "Extra output"},
598 {"msg", OPT_MSG, '-', "Show protocol messages"},
599 {"msgfile", OPT_MSGFILE, '>',
600 "File to send output of -msg or -trace, instead of stdout"},
601 {"nbio_test", OPT_NBIO_TEST, '-', "More ssl protocol testing"},
602 {"state", OPT_STATE, '-', "Print the ssl states"},
603 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"},
604 {"quiet", OPT_QUIET, '-', "No s_client output"},
605 {"ign_eof", OPT_IGN_EOF, '-', "Ignore input eof (default when -quiet)"},
606 {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Don't ignore input eof"},
607 {"starttls", OPT_STARTTLS, 's',
608 "Use the appropriate STARTTLS command before starting TLS"},
609 {"xmpphost", OPT_XMPPHOST, 's',
610 "Host to use with \"-starttls xmpp[-server]\""},
611 {"rand", OPT_RAND, 's',
612 "Load the file(s) into the random number generator"},
613 {"sess_out", OPT_SESS_OUT, '>', "File to write SSL session to"},
614 {"sess_in", OPT_SESS_IN, '<', "File to read SSL session from"},
615 {"use_srtp", OPT_USE_SRTP, 's',
616 "Offer SRTP key management with a colon-separated profile list"},
617 {"keymatexport", OPT_KEYMATEXPORT, 's',
618 "Export keying material using label"},
619 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
620 "Export len bytes of keying material (default 20)"},
621 {"fallback_scsv", OPT_FALLBACKSCSV, '-', "Send the fallback SCSV"},
622 {"name", OPT_SMTPHOST, 's', "Hostname to use for \"-starttls smtp\""},
623 {"CRL", OPT_CRL, '<', "CRL file to use"},
624 {"crl_download", OPT_CRL_DOWNLOAD, '-', "Download CRL from distribution points"},
625 {"CRLform", OPT_CRLFORM, 'F', "CRL format (PEM or DER) PEM is default"},
626 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-',
627 "Close connection on verification error"},
628 {"verify_quiet", OPT_VERIFY_QUIET, '-', "Restrict verify output to errors"},
629 {"brief", OPT_BRIEF, '-',
630 "Restrict output to brief summary of connection parameters"},
631 {"prexit", OPT_PREXIT, '-',
632 "Print session information when the program exits"},
633 {"security_debug", OPT_SECURITY_DEBUG, '-',
634 "Enable security debug messages"},
635 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-',
636 "Output more security debug output"},
637 {"cert_chain", OPT_CERT_CHAIN, '<',
638 "Certificate chain file (in PEM format)"},
639 {"chainCApath", OPT_CHAINCAPATH, '/',
640 "Use dir as certificate store path to build CA certificate chain"},
641 {"verifyCApath", OPT_VERIFYCAPATH, '/',
642 "Use dir as certificate store path to verify CA certificate"},
643 {"build_chain", OPT_BUILD_CHAIN, '-', "Build certificate chain"},
644 {"chainCAfile", OPT_CHAINCAFILE, '<',
645 "CA file for certificate chain (PEM format)"},
646 {"verifyCAfile", OPT_VERIFYCAFILE, '<',
647 "CA file for certificate verification (PEM format)"},
648 {"nocommands", OPT_NOCMDS, '-', "Do not use interactive command letters"},
649 {"servername", OPT_SERVERNAME, 's',
650 "Set TLS extension servername in ClientHello"},
651 {"tlsextdebug", OPT_TLSEXTDEBUG, '-',
652 "Hex dump of all TLS extensions received"},
653 #ifndef OPENSSL_NO_OCSP
654 {"status", OPT_STATUS, '-', "Request certificate status from server"},
656 {"serverinfo", OPT_SERVERINFO, 's',
657 "types Send empty ClientHello extensions (comma-separated numbers)"},
658 {"alpn", OPT_ALPN, 's',
659 "Enable ALPN extension, considering named protocols supported (comma-separated list)"},
660 {"async", OPT_ASYNC, '-', "Support asynchronous operation"},
661 {"ssl_config", OPT_SSL_CONFIG, 's', "Use specified configuration file"},
662 {"split_send_frag", OPT_SPLIT_SEND_FRAG, 'n',
663 "Size used to split data for encrypt pipelines"},
664 {"max_pipelines", OPT_MAX_PIPELINES, 'n',
665 "Maximum number of encrypt/decrypt pipelines to be used"},
666 {"read_buf", OPT_READ_BUF, 'n',
667 "Default read buffer size to be used for connections"},
671 #ifndef OPENSSL_NO_SSL3
672 {"ssl3", OPT_SSL3, '-', "Just use SSLv3"},
674 #ifndef OPENSSL_NO_TLS1
675 {"tls1", OPT_TLS1, '-', "Just use TLSv1"},
677 #ifndef OPENSSL_NO_TLS1_1
678 {"tls1_1", OPT_TLS1_1, '-', "Just use TLSv1.1"},
680 #ifndef OPENSSL_NO_TLS1_2
681 {"tls1_2", OPT_TLS1_2, '-', "Just use TLSv1.2"},
683 #ifndef OPENSSL_NO_DTLS
684 {"dtls", OPT_DTLS, '-', "Use any version of DTLS"},
685 {"timeout", OPT_TIMEOUT, '-',
686 "Enable send/receive timeout on DTLS connections"},
687 {"mtu", OPT_MTU, 'p', "Set the link layer MTU"},
689 #ifndef OPENSSL_NO_DTLS1
690 {"dtls1", OPT_DTLS1, '-', "Just use DTLSv1"},
692 #ifndef OPENSSL_NO_DTLS1_2
693 {"dtls1_2", OPT_DTLS1_2, '-', "Just use DTLSv1.2"},
695 #ifndef OPENSSL_NO_SSL_TRACE
696 {"trace", OPT_TRACE, '-', "Show trace output of protocol messages"},
699 {"wdebug", OPT_WDEBUG, '-', "WATT-32 tcp debugging"},
701 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"},
702 #ifndef OPENSSL_NO_PSK
703 {"psk_identity", OPT_PSK_IDENTITY, 's', "PSK identity"},
704 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"},
706 #ifndef OPENSSL_NO_SRP
707 {"srpuser", OPT_SRPUSER, 's', "SRP authentication for 'user'"},
708 {"srppass", OPT_SRPPASS, 's', "Password for 'user'"},
709 {"srp_lateuser", OPT_SRP_LATEUSER, '-',
710 "SRP username into second ClientHello message"},
711 {"srp_moregroups", OPT_SRP_MOREGROUPS, '-',
712 "Tolerate other than the known g N values."},
713 {"srp_strength", OPT_SRP_STRENGTH, 'p', "Minimal length in bits for N"},
715 #ifndef OPENSSL_NO_NEXTPROTONEG
716 {"nextprotoneg", OPT_NEXTPROTONEG, 's',
717 "Enable NPN extension, considering named protocols supported (comma-separated list)"},
719 #ifndef OPENSSL_NO_ENGINE
720 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
721 {"ssl_client_engine", OPT_SSL_CLIENT_ENGINE, 's',
722 "Specify engine to be used for client certificate operations"},
724 #ifndef OPENSSL_NO_CT
725 {"ct", OPT_CT, '-', "Request and parse SCTs (also enables OCSP stapling)"},
726 {"noct", OPT_NOCT, '-', "Do not request or parse SCTs (default)"},
727 {"ctlogfile", OPT_CTLOG_FILE, '<', "CT log list CONF file"},
729 {NULL, OPT_EOF, 0x00, NULL}
732 typedef enum PROTOCOL_choice {
745 static const OPT_PAIR services[] = {
746 {"smtp", PROTO_SMTP},
747 {"pop3", PROTO_POP3},
748 {"imap", PROTO_IMAP},
750 {"xmpp", PROTO_XMPP},
751 {"xmpp-server", PROTO_XMPP_SERVER},
752 {"telnet", PROTO_TELNET},
757 #define IS_INET_FLAG(o) \
758 (o == OPT_4 || o == OPT_6 || o == OPT_HOST || o == OPT_PORT || o == OPT_CONNECT)
759 #define IS_UNIX_FLAG(o) (o == OPT_UNIX)
761 #define IS_PROT_FLAG(o) \
762 (o == OPT_SSL3 || o == OPT_TLS1 || o == OPT_TLS1_1 || o == OPT_TLS1_2 \
763 || o == OPT_DTLS || o == OPT_DTLS1 || o == OPT_DTLS1_2)
765 /* Free |*dest| and optionally set it to a copy of |source|. */
766 static void freeandcopy(char **dest, const char *source)
771 *dest = OPENSSL_strdup(source);
774 int s_client_main(int argc, char **argv)
777 EVP_PKEY *key = NULL;
780 STACK_OF(X509) *chain = NULL;
782 X509_VERIFY_PARAM *vpm = NULL;
783 SSL_EXCERT *exc = NULL;
784 SSL_CONF_CTX *cctx = NULL;
785 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
786 char *dane_tlsa_domain = NULL;
787 STACK_OF(OPENSSL_STRING) *dane_tlsa_rrset = NULL;
788 int dane_ee_no_name = 0;
789 STACK_OF(X509_CRL) *crls = NULL;
790 const SSL_METHOD *meth = TLS_client_method();
791 const char *CApath = NULL, *CAfile = NULL;
792 char *cbuf = NULL, *sbuf = NULL;
793 char *mbuf = NULL, *proxystr = NULL, *connectstr = NULL;
794 char *cert_file = NULL, *key_file = NULL, *chain_file = NULL;
795 char *chCApath = NULL, *chCAfile = NULL, *host = NULL;
796 char *port = OPENSSL_strdup(PORT);
798 char *passarg = NULL, *pass = NULL, *vfyCApath = NULL, *vfyCAfile = NULL;
799 char *sess_in = NULL, *sess_out = NULL, *crl_file = NULL, *p;
800 char *xmpphost = NULL;
801 const char *ehlo = "mail.example.com";
802 struct timeval timeout, *timeoutp;
803 fd_set readfds, writefds;
804 int noCApath = 0, noCAfile = 0;
805 int build_chain = 0, cbuf_len, cbuf_off, cert_format = FORMAT_PEM;
806 int key_format = FORMAT_PEM, crlf = 0, full_log = 1, mbuf_len = 0;
809 int reconnect = 0, verify = SSL_VERIFY_NONE, vpmtouched = 0;
810 int ret = 1, in_init = 1, i, nbio_test = 0, s = -1, k, width, state = 0;
811 int sbuf_len, sbuf_off, cmdletters = 1;
812 int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM;
813 int starttls_proto = PROTO_OFF, crl_format = FORMAT_PEM, crl_download = 0;
814 int write_tty, read_tty, write_ssl, read_ssl, tty_on, ssl_pending;
815 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
818 int read_buf_len = 0;
819 int fallback_scsv = 0;
822 #ifndef OPENSSL_NO_DTLS
823 int enable_timeouts = 0;
826 #ifndef OPENSSL_NO_ENGINE
827 ENGINE *ssl_client_engine = NULL;
830 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
833 char *servername = NULL;
834 const char *alpn_in = NULL;
835 tlsextctx tlsextcbp = { NULL, 0 };
836 const char *ssl_config = NULL;
837 #define MAX_SI_TYPES 100
838 unsigned short serverinfo_types[MAX_SI_TYPES];
839 int serverinfo_count = 0, start = 0, len;
840 #ifndef OPENSSL_NO_NEXTPROTONEG
841 const char *next_proto_neg_in = NULL;
843 #ifndef OPENSSL_NO_SRP
844 char *srppass = NULL;
845 int srp_lateuser = 0;
846 SRP_ARG srp_arg = { NULL, NULL, 0, 0, 0, 1024 };
848 #ifndef OPENSSL_NO_CT
849 char *ctlog_file = NULL;
850 int ct_validation = 0;
852 int min_version = 0, max_version = 0, prot_opt = 0, no_prot_opt = 0;
854 unsigned int split_send_fragment = 0;
855 unsigned int max_pipelines = 0;
856 enum { use_inet, use_unix, use_unknown } connect_type = use_unknown;
858 int c_nbio = 0, c_msg = 0, c_ign_eof = 0, c_brief = 0;
859 int c_tlsextdebug = 0;
860 #ifndef OPENSSL_NO_OCSP
861 int c_status_req = 0;
863 BIO *bio_c_msg = NULL;
867 /* Known false-positive of MemorySanitizer. */
868 #if defined(__has_feature)
869 # if __has_feature(memory_sanitizer)
870 __msan_unpoison(&readfds, sizeof(readfds));
871 __msan_unpoison(&writefds, sizeof(writefds));
875 prog = opt_progname(argv[0]);
880 vpm = X509_VERIFY_PARAM_new();
881 cctx = SSL_CONF_CTX_new();
883 if (vpm == NULL || cctx == NULL) {
884 BIO_printf(bio_err, "%s: out of memory\n", prog);
888 cbuf = app_malloc(BUFSIZZ, "cbuf");
889 sbuf = app_malloc(BUFSIZZ, "sbuf");
890 mbuf = app_malloc(BUFSIZZ, "mbuf");
892 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT | SSL_CONF_FLAG_CMDLINE);
894 prog = opt_init(argc, argv, s_client_options);
895 while ((o = opt_next()) != OPT_EOF) {
896 /* Check for intermixing flags. */
897 if (connect_type == use_unix && IS_INET_FLAG(o)) {
899 "%s: Intermixed protocol flags (unix and internet domains)\n",
903 if (connect_type == use_inet && IS_UNIX_FLAG(o)) {
905 "%s: Intermixed protocol flags (internet and unix domains)\n",
910 if (IS_PROT_FLAG(o) && ++prot_opt > 1) {
911 BIO_printf(bio_err, "Cannot supply multiple protocol flags\n");
914 if (IS_NO_PROT_FLAG(o))
916 if (prot_opt == 1 && no_prot_opt) {
918 "Cannot supply both a protocol flag and '-no_<prot>'\n");
926 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
929 opt_help(s_client_options);
933 connect_type = use_inet;
934 socket_family = AF_INET;
939 connect_type = use_inet;
940 socket_family = AF_INET6;
945 connect_type = use_inet;
946 freeandcopy(&host, opt_arg());
949 connect_type = use_inet;
950 freeandcopy(&port, opt_arg());
953 connect_type = use_inet;
954 freeandcopy(&connectstr, opt_arg());
957 proxystr = opt_arg();
958 starttls_proto = PROTO_CONNECT;
962 connect_type = use_unix;
963 socket_family = AF_UNIX;
964 freeandcopy(&host, opt_arg());
968 xmpphost = opt_arg();
974 verify = SSL_VERIFY_PEER;
975 verify_args.depth = atoi(opt_arg());
977 BIO_printf(bio_err, "verify depth is %d\n", verify_args.depth);
980 cert_file = opt_arg();
983 crl_file = opt_arg();
985 case OPT_CRL_DOWNLOAD:
989 sess_out = opt_arg();
995 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &cert_format))
999 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
1002 case OPT_VERIFY_RET_ERROR:
1003 verify_args.return_error = 1;
1005 case OPT_VERIFY_QUIET:
1006 verify_args.quiet = 1;
1009 c_brief = verify_args.quiet = c_quiet = 1;
1012 if (ssl_args == NULL)
1013 ssl_args = sk_OPENSSL_STRING_new_null();
1014 if (ssl_args == NULL
1015 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
1016 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
1017 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1022 if (!opt_verify(o, vpm))
1027 if (!args_excert(o, &exc))
1037 c_quiet = c_ign_eof = 1;
1046 e = setup_engine(opt_arg(), 1);
1048 case OPT_SSL_CLIENT_ENGINE:
1049 #ifndef OPENSSL_NO_ENGINE
1050 ssl_client_engine = ENGINE_by_id(opt_arg());
1051 if (ssl_client_engine == NULL) {
1052 BIO_printf(bio_err, "Error getting client auth engine\n");
1063 case OPT_NO_IGN_EOF:
1069 case OPT_TLSEXTDEBUG:
1073 #ifndef OPENSSL_NO_OCSP
1086 bio_c_msg = BIO_new_file(opt_arg(), "w");
1089 #ifndef OPENSSL_NO_SSL_TRACE
1093 case OPT_SECURITY_DEBUG:
1096 case OPT_SECURITY_DEBUG_VERBOSE:
1108 #ifndef OPENSSL_NO_PSK
1109 case OPT_PSK_IDENTITY:
1110 psk_identity = opt_arg();
1113 for (p = psk_key = opt_arg(); *p; p++) {
1114 if (isxdigit(_UC(*p)))
1116 BIO_printf(bio_err, "Not a hex number '%s'\n", psk_key);
1121 #ifndef OPENSSL_NO_SRP
1123 srp_arg.srplogin = opt_arg();
1124 if (min_version < TLS1_VERSION)
1125 min_version = TLS1_VERSION;
1128 srppass = opt_arg();
1129 if (min_version < TLS1_VERSION)
1130 min_version = TLS1_VERSION;
1132 case OPT_SRP_STRENGTH:
1133 srp_arg.strength = atoi(opt_arg());
1134 BIO_printf(bio_err, "SRP minimal length for N is %d\n",
1136 if (min_version < TLS1_VERSION)
1137 min_version = TLS1_VERSION;
1139 case OPT_SRP_LATEUSER:
1141 if (min_version < TLS1_VERSION)
1142 min_version = TLS1_VERSION;
1144 case OPT_SRP_MOREGROUPS:
1146 if (min_version < TLS1_VERSION)
1147 min_version = TLS1_VERSION;
1150 case OPT_SSL_CONFIG:
1151 ssl_config = opt_arg();
1154 min_version = SSL3_VERSION;
1155 max_version = SSL3_VERSION;
1158 min_version = TLS1_2_VERSION;
1159 max_version = TLS1_2_VERSION;
1162 min_version = TLS1_1_VERSION;
1163 max_version = TLS1_1_VERSION;
1166 min_version = TLS1_VERSION;
1167 max_version = TLS1_VERSION;
1170 #ifndef OPENSSL_NO_DTLS
1171 meth = DTLS_client_method();
1172 socket_type = SOCK_DGRAM;
1176 #ifndef OPENSSL_NO_DTLS1
1177 meth = DTLS_client_method();
1178 min_version = DTLS1_VERSION;
1179 max_version = DTLS1_VERSION;
1180 socket_type = SOCK_DGRAM;
1184 #ifndef OPENSSL_NO_DTLS1_2
1185 meth = DTLS_client_method();
1186 min_version = DTLS1_2_VERSION;
1187 max_version = DTLS1_2_VERSION;
1188 socket_type = SOCK_DGRAM;
1192 #ifndef OPENSSL_NO_DTLS
1193 enable_timeouts = 1;
1197 #ifndef OPENSSL_NO_DTLS
1198 socket_mtu = atol(opt_arg());
1201 case OPT_FALLBACKSCSV:
1205 if (!opt_format(opt_arg(), OPT_FMT_PDE, &key_format))
1209 passarg = opt_arg();
1211 case OPT_CERT_CHAIN:
1212 chain_file = opt_arg();
1215 key_file = opt_arg();
1226 case OPT_CHAINCAPATH:
1227 chCApath = opt_arg();
1229 case OPT_VERIFYCAPATH:
1230 vfyCApath = opt_arg();
1232 case OPT_BUILD_CHAIN:
1241 #ifndef OPENSSL_NO_CT
1248 case OPT_CTLOG_FILE:
1249 ctlog_file = opt_arg();
1252 case OPT_CHAINCAFILE:
1253 chCAfile = opt_arg();
1255 case OPT_VERIFYCAFILE:
1256 vfyCAfile = opt_arg();
1258 case OPT_DANE_TLSA_DOMAIN:
1259 dane_tlsa_domain = opt_arg();
1261 case OPT_DANE_TLSA_RRDATA:
1262 if (dane_tlsa_rrset == NULL)
1263 dane_tlsa_rrset = sk_OPENSSL_STRING_new_null();
1264 if (dane_tlsa_rrset == NULL ||
1265 !sk_OPENSSL_STRING_push(dane_tlsa_rrset, opt_arg())) {
1266 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1270 case OPT_DANE_EE_NO_NAME:
1271 dane_ee_no_name = 1;
1273 case OPT_NEXTPROTONEG:
1274 #ifndef OPENSSL_NO_NEXTPROTONEG
1275 next_proto_neg_in = opt_arg();
1279 alpn_in = opt_arg();
1281 case OPT_SERVERINFO:
1284 for (start = 0, i = 0; i <= len; ++i) {
1285 if (i == len || p[i] == ',') {
1286 serverinfo_types[serverinfo_count] = atoi(p + start);
1287 if (++serverinfo_count == MAX_SI_TYPES)
1294 if (!opt_pair(opt_arg(), services, &starttls_proto))
1297 case OPT_SERVERNAME:
1298 servername = opt_arg();
1301 srtp_profiles = opt_arg();
1303 case OPT_KEYMATEXPORT:
1304 keymatexportlabel = opt_arg();
1306 case OPT_KEYMATEXPORTLEN:
1307 keymatexportlen = atoi(opt_arg());
1312 case OPT_SPLIT_SEND_FRAG:
1313 split_send_fragment = atoi(opt_arg());
1314 if (split_send_fragment == 0) {
1316 * Not allowed - set to a deliberately bad value so we get an
1317 * error message below
1319 split_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH + 1;
1322 case OPT_MAX_PIPELINES:
1323 max_pipelines = atoi(opt_arg());
1326 read_buf_len = atoi(opt_arg());
1330 if (count4or6 >= 2) {
1331 BIO_printf(bio_err, "%s: Can't use both -4 and -6\n", prog);
1334 argc = opt_num_rest();
1340 char *tmp_host = host, *tmp_port = port;
1341 if (connectstr == NULL) {
1342 BIO_printf(bio_err, "%s: -proxy requires use of -connect\n", prog);
1345 res = BIO_parse_hostserv(proxystr, &host, &port, BIO_PARSE_PRIO_HOST);
1346 if (tmp_host != host)
1347 OPENSSL_free(tmp_host);
1348 if (tmp_port != port)
1349 OPENSSL_free(tmp_port);
1352 "%s: -proxy argument malformed or ambiguous\n", prog);
1357 char *tmp_host = host, *tmp_port = port;
1358 if (connectstr != NULL)
1359 res = BIO_parse_hostserv(connectstr, &host, &port,
1360 BIO_PARSE_PRIO_HOST);
1361 if (tmp_host != host)
1362 OPENSSL_free(tmp_host);
1363 if (tmp_port != port)
1364 OPENSSL_free(tmp_port);
1367 "%s: -connect argument malformed or ambiguous\n",
1374 if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) {
1376 "Can't use unix sockets and datagrams together\n");
1381 if (split_send_fragment > SSL3_RT_MAX_PLAIN_LENGTH) {
1382 BIO_printf(bio_err, "Bad split send fragment size\n");
1386 if (max_pipelines > SSL_MAX_PIPELINES) {
1387 BIO_printf(bio_err, "Bad max pipelines value\n");
1391 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1392 next_proto.status = -1;
1393 if (next_proto_neg_in) {
1395 next_protos_parse(&next_proto.len, next_proto_neg_in);
1396 if (next_proto.data == NULL) {
1397 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n");
1401 next_proto.data = NULL;
1404 if (!app_passwd(passarg, NULL, &pass, NULL)) {
1405 BIO_printf(bio_err, "Error getting password\n");
1409 if (key_file == NULL)
1410 key_file = cert_file;
1413 key = load_key(key_file, key_format, 0, pass, e,
1414 "client certificate private key file");
1416 ERR_print_errors(bio_err);
1422 cert = load_cert(cert_file, cert_format, "client certificate file");
1424 ERR_print_errors(bio_err);
1430 if (!load_certs(chain_file, &chain, FORMAT_PEM, NULL,
1431 "client certificate chain"))
1437 crl = load_crl(crl_file, crl_format);
1439 BIO_puts(bio_err, "Error loading CRL\n");
1440 ERR_print_errors(bio_err);
1443 crls = sk_X509_CRL_new_null();
1444 if (crls == NULL || !sk_X509_CRL_push(crls, crl)) {
1445 BIO_puts(bio_err, "Error adding CRL\n");
1446 ERR_print_errors(bio_err);
1452 if (!load_excert(&exc))
1455 if (!app_RAND_load_file(NULL, 1) && inrand == NULL
1456 && !RAND_status()) {
1458 "warning, not much extra random data, consider using the -rand option\n");
1460 if (inrand != NULL) {
1461 randamt = app_RAND_load_files(inrand);
1462 BIO_printf(bio_err, "%ld semi-random bytes loaded\n", randamt);
1465 if (bio_c_out == NULL) {
1466 if (c_quiet && !c_debug) {
1467 bio_c_out = BIO_new(BIO_s_null());
1468 if (c_msg && !bio_c_msg)
1469 bio_c_msg = dup_bio_out(FORMAT_TEXT);
1470 } else if (bio_c_out == NULL)
1471 bio_c_out = dup_bio_out(FORMAT_TEXT);
1473 #ifndef OPENSSL_NO_SRP
1474 if (!app_passwd(srppass, NULL, &srp_arg.srppassin, NULL)) {
1475 BIO_printf(bio_err, "Error getting password\n");
1480 ctx = SSL_CTX_new(meth);
1482 ERR_print_errors(bio_err);
1487 ssl_ctx_security_debug(ctx, sdebug);
1489 if (!config_ctx(cctx, ssl_args, ctx))
1493 if (SSL_CTX_config(ctx, ssl_config) == 0) {
1494 BIO_printf(bio_err, "Error using configuration \"%s\"\n",
1496 ERR_print_errors(bio_err);
1501 if (min_version != 0
1502 && SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
1504 if (max_version != 0
1505 && SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
1508 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
1509 BIO_printf(bio_err, "Error setting verify params\n");
1510 ERR_print_errors(bio_err);
1515 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
1517 if (split_send_fragment > 0) {
1518 SSL_CTX_set_split_send_fragment(ctx, split_send_fragment);
1520 if (max_pipelines > 0) {
1521 SSL_CTX_set_max_pipelines(ctx, max_pipelines);
1524 if (read_buf_len > 0) {
1525 SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len);
1528 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1529 crls, crl_download)) {
1530 BIO_printf(bio_err, "Error loading store locations\n");
1531 ERR_print_errors(bio_err);
1534 #ifndef OPENSSL_NO_ENGINE
1535 if (ssl_client_engine) {
1536 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine)) {
1537 BIO_puts(bio_err, "Error setting client auth engine\n");
1538 ERR_print_errors(bio_err);
1539 ENGINE_free(ssl_client_engine);
1542 ENGINE_free(ssl_client_engine);
1546 #ifndef OPENSSL_NO_PSK
1547 if (psk_key != NULL) {
1549 BIO_printf(bio_c_out, "PSK key given, setting client callback\n");
1550 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
1553 #ifndef OPENSSL_NO_SRTP
1554 if (srtp_profiles != NULL) {
1555 /* Returns 0 on success! */
1556 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
1557 BIO_printf(bio_err, "Error setting SRTP profile\n");
1558 ERR_print_errors(bio_err);
1565 ssl_ctx_set_excert(ctx, exc);
1567 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1568 if (next_proto.data)
1569 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
1573 unsigned char *alpn = next_protos_parse(&alpn_len, alpn_in);
1576 BIO_printf(bio_err, "Error parsing -alpn argument\n");
1579 /* Returns 0 on success! */
1580 if (SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len) != 0) {
1581 BIO_printf(bio_err, "Error setting ALPN\n");
1587 for (i = 0; i < serverinfo_count; i++) {
1588 if (!SSL_CTX_add_client_custom_ext(ctx,
1589 serverinfo_types[i],
1591 serverinfo_cli_parse_cb, NULL)) {
1593 "Warning: Unable to add custom extension %u, skipping\n",
1594 serverinfo_types[i]);
1599 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1601 #ifndef OPENSSL_NO_CT
1602 /* Enable SCT processing, without early connection termination */
1603 if (ct_validation &&
1604 !SSL_CTX_enable_ct(ctx, SSL_CT_VALIDATION_PERMISSIVE)) {
1605 ERR_print_errors(bio_err);
1609 if (!ctx_set_ctlog_list_file(ctx, ctlog_file)) {
1610 if (ct_validation) {
1611 ERR_print_errors(bio_err);
1616 * If CT validation is not enabled, the log list isn't needed so don't
1617 * show errors or abort. We try to load it regardless because then we
1618 * can show the names of the logs any SCTs came from (SCTs may be seen
1619 * even with validation disabled).
1625 SSL_CTX_set_verify(ctx, verify, verify_callback);
1627 if (!ctx_set_verify_locations(ctx, CAfile, CApath, noCAfile, noCApath)) {
1628 ERR_print_errors(bio_err);
1632 ssl_ctx_add_crls(ctx, crls, crl_download);
1634 if (!set_cert_key_stuff(ctx, cert, key, chain, build_chain))
1637 if (servername != NULL) {
1638 tlsextcbp.biodebug = bio_err;
1639 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1640 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1642 # ifndef OPENSSL_NO_SRP
1643 if (srp_arg.srplogin) {
1644 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin)) {
1645 BIO_printf(bio_err, "Unable to set SRP username\n");
1648 srp_arg.msg = c_msg;
1649 srp_arg.debug = c_debug;
1650 SSL_CTX_set_srp_cb_arg(ctx, &srp_arg);
1651 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb);
1652 SSL_CTX_set_srp_strength(ctx, srp_arg.strength);
1653 if (c_msg || c_debug || srp_arg.amp == 0)
1654 SSL_CTX_set_srp_verify_param_callback(ctx,
1655 ssl_srp_verify_param_cb);
1659 if (dane_tlsa_domain != NULL) {
1660 if (SSL_CTX_dane_enable(ctx) <= 0) {
1662 "%s: Error enabling DANE TLSA authentication.\n",
1664 ERR_print_errors(bio_err);
1672 BIO *stmp = BIO_new_file(sess_in, "r");
1674 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1675 ERR_print_errors(bio_err);
1678 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1681 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1682 ERR_print_errors(bio_err);
1685 if (!SSL_set_session(con, sess)) {
1686 BIO_printf(bio_err, "Can't set session\n");
1687 ERR_print_errors(bio_err);
1690 SSL_SESSION_free(sess);
1694 SSL_set_mode(con, SSL_MODE_SEND_FALLBACK_SCSV);
1696 if (servername != NULL) {
1697 if (!SSL_set_tlsext_host_name(con, servername)) {
1698 BIO_printf(bio_err, "Unable to set TLS servername extension.\n");
1699 ERR_print_errors(bio_err);
1704 if (dane_tlsa_domain != NULL) {
1705 if (SSL_dane_enable(con, dane_tlsa_domain) <= 0) {
1706 BIO_printf(bio_err, "%s: Error enabling DANE TLSA "
1707 "authentication.\n", prog);
1708 ERR_print_errors(bio_err);
1711 if (dane_tlsa_rrset == NULL) {
1712 BIO_printf(bio_err, "%s: DANE TLSA authentication requires at "
1713 "least one -dane_tlsa_rrdata option.\n", prog);
1716 if (tlsa_import_rrset(con, dane_tlsa_rrset) <= 0) {
1717 BIO_printf(bio_err, "%s: Failed to import any TLSA "
1718 "records.\n", prog);
1721 if (dane_ee_no_name)
1722 SSL_dane_set_flags(con, DANE_FLAG_NO_DANE_EE_NAMECHECKS);
1723 } else if (dane_tlsa_rrset != NULL) {
1724 BIO_printf(bio_err, "%s: DANE TLSA authentication requires the "
1725 "-dane_tlsa_domain option.\n", prog);
1730 if (init_client(&s, host, port, socket_family, socket_type) == 0) {
1731 BIO_printf(bio_err, "connect:errno=%d\n", get_last_socket_error());
1735 BIO_printf(bio_c_out, "CONNECTED(%08X)\n", s);
1738 if (!BIO_socket_nbio(s, 1)) {
1739 ERR_print_errors(bio_err);
1742 BIO_printf(bio_c_out, "Turned on non blocking io\n");
1744 #ifndef OPENSSL_NO_DTLS
1745 if (socket_type == SOCK_DGRAM) {
1746 union BIO_sock_info_u peer_info;
1748 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
1749 if ((peer_info.addr = BIO_ADDR_new()) == NULL) {
1750 BIO_printf(bio_err, "memory allocation failure\n");
1754 if (!BIO_sock_info(s, BIO_SOCK_INFO_ADDRESS, &peer_info)) {
1755 BIO_printf(bio_err, "getsockname:errno=%d\n",
1756 get_last_socket_error());
1757 BIO_ADDR_free(peer_info.addr);
1762 (void)BIO_ctrl_set_connected(sbio, peer_info.addr);
1763 BIO_ADDR_free(peer_info.addr);
1764 peer_info.addr = NULL;
1766 if (enable_timeouts) {
1768 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1769 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1772 timeout.tv_usec = DGRAM_SND_TIMEOUT;
1773 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1777 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
1778 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
1779 DTLS_get_link_min_mtu(con));
1783 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1784 if (!DTLS_set_link_mtu(con, socket_mtu)) {
1785 BIO_printf(bio_err, "Failed to set MTU\n");
1790 /* want to do MTU discovery */
1791 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1793 #endif /* OPENSSL_NO_DTLS */
1794 sbio = BIO_new_socket(s, BIO_NOCLOSE);
1799 test = BIO_new(BIO_f_nbio_test());
1800 sbio = BIO_push(test, sbio);
1804 BIO_set_callback(sbio, bio_dump_callback);
1805 BIO_set_callback_arg(sbio, (char *)bio_c_out);
1808 #ifndef OPENSSL_NO_SSL_TRACE
1810 SSL_set_msg_callback(con, SSL_trace);
1813 SSL_set_msg_callback(con, msg_cb);
1814 SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out);
1817 if (c_tlsextdebug) {
1818 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1819 SSL_set_tlsext_debug_arg(con, bio_c_out);
1821 #ifndef OPENSSL_NO_OCSP
1823 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
1824 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
1825 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
1829 SSL_set_bio(con, sbio, sbio);
1830 SSL_set_connect_state(con);
1832 /* ok, lets connect */
1833 if (fileno_stdin() > SSL_get_fd(con))
1834 width = fileno_stdin() + 1;
1836 width = SSL_get_fd(con) + 1;
1849 switch ((PROTOCOL_CHOICE) starttls_proto) {
1855 * This is an ugly hack that does a lot of assumptions. We do
1856 * have to handle multi-line responses which may come in a single
1857 * packet or not. We therefore have to use BIO_gets() which does
1858 * need a buffering BIO. So during the initial chitchat we do
1859 * push a buffering BIO into the chain that is removed again
1860 * later on to not disturb the rest of the s_client operation.
1863 BIO *fbio = BIO_new(BIO_f_buffer());
1864 BIO_push(fbio, sbio);
1865 /* wait for multi-line response to end from SMTP */
1867 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1869 while (mbuf_len > 3 && mbuf[3] == '-');
1870 BIO_printf(fbio, "EHLO %s\r\n", ehlo);
1871 (void)BIO_flush(fbio);
1872 /* wait for multi-line response to end EHLO SMTP response */
1874 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1875 if (strstr(mbuf, "STARTTLS"))
1878 while (mbuf_len > 3 && mbuf[3] == '-');
1879 (void)BIO_flush(fbio);
1884 "didn't find starttls in server response,"
1885 " trying anyway...\n");
1886 BIO_printf(sbio, "STARTTLS\r\n");
1887 BIO_read(sbio, sbuf, BUFSIZZ);
1892 BIO_read(sbio, mbuf, BUFSIZZ);
1893 BIO_printf(sbio, "STLS\r\n");
1894 mbuf_len = BIO_read(sbio, sbuf, BUFSIZZ);
1896 BIO_printf(bio_err, "BIO_read failed\n");
1904 BIO *fbio = BIO_new(BIO_f_buffer());
1905 BIO_push(fbio, sbio);
1906 BIO_gets(fbio, mbuf, BUFSIZZ);
1907 /* STARTTLS command requires CAPABILITY... */
1908 BIO_printf(fbio, ". CAPABILITY\r\n");
1909 (void)BIO_flush(fbio);
1910 /* wait for multi-line CAPABILITY response */
1912 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1913 if (strstr(mbuf, "STARTTLS"))
1916 while (mbuf_len > 3 && mbuf[0] != '.');
1917 (void)BIO_flush(fbio);
1922 "didn't find STARTTLS in server response,"
1923 " trying anyway...\n");
1924 BIO_printf(sbio, ". STARTTLS\r\n");
1925 BIO_read(sbio, sbuf, BUFSIZZ);
1930 BIO *fbio = BIO_new(BIO_f_buffer());
1931 BIO_push(fbio, sbio);
1932 /* wait for multi-line response to end from FTP */
1934 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1936 while (mbuf_len > 3 && mbuf[3] == '-');
1937 (void)BIO_flush(fbio);
1940 BIO_printf(sbio, "AUTH TLS\r\n");
1941 BIO_read(sbio, sbuf, BUFSIZZ);
1945 case PROTO_XMPP_SERVER:
1948 BIO_printf(sbio, "<stream:stream "
1949 "xmlns:stream='http://etherx.jabber.org/streams' "
1950 "xmlns='jabber:%s' to='%s' version='1.0'>",
1951 starttls_proto == PROTO_XMPP ? "client" : "server",
1952 xmpphost ? xmpphost : host);
1953 seen = BIO_read(sbio, mbuf, BUFSIZZ);
1956 (mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")
1958 "<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\""))
1960 seen = BIO_read(sbio, mbuf, BUFSIZZ);
1968 "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
1969 seen = BIO_read(sbio, sbuf, BUFSIZZ);
1971 if (!strstr(sbuf, "<proceed"))
1978 static const unsigned char tls_do[] = {
1979 /* IAC DO START_TLS */
1982 static const unsigned char tls_will[] = {
1983 /* IAC WILL START_TLS */
1986 static const unsigned char tls_follows[] = {
1987 /* IAC SB START_TLS FOLLOWS IAC SE */
1988 255, 250, 46, 1, 255, 240
1992 /* Telnet server should demand we issue START_TLS */
1993 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
1994 if (bytes != 3 || memcmp(mbuf, tls_do, 3) != 0)
1996 /* Agree to issue START_TLS and send the FOLLOWS sub-command */
1997 BIO_write(sbio, tls_will, 3);
1998 BIO_write(sbio, tls_follows, 6);
1999 (void)BIO_flush(sbio);
2000 /* Telnet server also sent the FOLLOWS sub-command */
2001 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
2002 if (bytes != 6 || memcmp(mbuf, tls_follows, 6) != 0)
2009 error_proto, /* Wrong protocol, not even HTTP */
2010 error_connect, /* CONNECT failed */
2012 } foundit = error_connect;
2013 BIO *fbio = BIO_new(BIO_f_buffer());
2015 BIO_push(fbio, sbio);
2016 BIO_printf(fbio, "CONNECT %s HTTP/1.0\r\n\r\n", connectstr);
2017 (void)BIO_flush(fbio);
2019 * The first line is the HTTP response. According to RFC 7230,
2020 * it's formated exactly like this:
2022 * HTTP/d.d ddd Reason text\r\n
2024 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2025 if (mbuf[8] != ' ') {
2027 "%s: HTTP CONNECT failed, incorrect response "
2028 "from proxy\n", prog);
2029 foundit = error_proto;
2030 } else if (mbuf[9] != '2') {
2031 BIO_printf(bio_err, "%s: HTTP CONNECT failed: %s ", prog,
2036 if (foundit != error_proto) {
2037 /* Read past all following headers */
2039 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2040 } while (mbuf_len > 2);
2042 (void)BIO_flush(fbio);
2045 if (foundit != success) {
2053 BIO *fbio = BIO_new(BIO_f_buffer());
2055 BIO_push(fbio, sbio);
2056 BIO_printf(fbio, "STARTTLS\r\n");
2057 (void)BIO_flush(fbio);
2058 width = SSL_get_fd(con) + 1;
2064 openssl_fdset(SSL_get_fd(con), &readfds);
2065 timeout.tv_sec = S_CLIENT_IRC_READ_TIMEOUT;
2066 timeout.tv_usec = 0;
2068 * If the IRCd doesn't respond within
2069 * S_CLIENT_IRC_READ_TIMEOUT seconds, assume
2070 * it doesn't support STARTTLS. Many IRCds
2071 * will not give _any_ sort of response to a
2072 * STARTTLS command when it's not supported.
2074 if (!BIO_get_buffer_num_lines(fbio)
2075 && !BIO_pending(fbio)
2076 && !BIO_pending(sbio)
2077 && select(width, (void *)&readfds, NULL, NULL,
2080 "Timeout waiting for response (%d seconds).\n",
2081 S_CLIENT_IRC_READ_TIMEOUT);
2085 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2086 if (mbuf_len < 1 || sscanf(mbuf, "%*s %d", &numeric) != 1)
2088 /* :example.net 451 STARTTLS :You have not registered */
2089 /* :example.net 421 STARTTLS :Unknown command */
2090 if ((numeric == 451 || numeric == 421)
2091 && strstr(mbuf, "STARTTLS") != NULL) {
2092 BIO_printf(bio_err, "STARTTLS not supported: %s", mbuf);
2095 if (numeric == 691) {
2096 BIO_printf(bio_err, "STARTTLS negotiation failed: ");
2097 ERR_print_errors(bio_err);
2100 } while (numeric != 670);
2102 (void)BIO_flush(fbio);
2105 if (numeric != 670) {
2106 BIO_printf(bio_err, "Server does not support STARTTLS.\n");
2117 if ((SSL_version(con) == DTLS1_VERSION) &&
2118 DTLSv1_get_timeout(con, &timeout))
2119 timeoutp = &timeout;
2123 if (SSL_in_init(con) && !SSL_total_renegotiations(con)) {
2132 BIO *stmp = BIO_new_file(sess_out, "w");
2134 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));
2137 BIO_printf(bio_err, "Error writing session file %s\n",
2141 BIO_puts(bio_err, "CONNECTION ESTABLISHED\n");
2142 print_ssl_summary(con);
2145 print_stuff(bio_c_out, con, full_log);
2149 if (starttls_proto) {
2150 BIO_write(bio_err, mbuf, mbuf_len);
2151 /* We don't need to know any more */
2153 starttls_proto = PROTO_OFF;
2158 BIO_printf(bio_c_out,
2159 "drop connection and then reconnect\n");
2160 do_ssl_shutdown(con);
2161 SSL_set_connect_state(con);
2162 BIO_closesocket(SSL_get_fd(con));
2168 ssl_pending = read_ssl && SSL_has_pending(con);
2171 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
2174 * Note that select() returns when read _would not block_,
2175 * and EOF satisfies that. To avoid a CPU-hogging loop,
2176 * set the flag so we exit.
2178 if (read_tty && !at_eof)
2179 openssl_fdset(fileno_stdin(), &readfds);
2180 #if !defined(OPENSSL_SYS_VMS)
2182 openssl_fdset(fileno_stdout(), &writefds);
2186 openssl_fdset(SSL_get_fd(con), &readfds);
2188 openssl_fdset(SSL_get_fd(con), &writefds);
2190 if (!tty_on || !write_tty) {
2192 openssl_fdset(SSL_get_fd(con), &readfds);
2194 openssl_fdset(SSL_get_fd(con), &writefds);
2199 * Note: under VMS with SOCKETSHR the second parameter is
2200 * currently of type (int *) whereas under other systems it is
2201 * (void *) if you don't have a cast it will choke the compiler:
2202 * if you do have a cast then you can either go for (int *) or
2205 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2207 * Under Windows/DOS we make the assumption that we can always
2208 * write to the tty: therefore if we need to write to the tty we
2209 * just fall through. Otherwise we timeout the select every
2210 * second and see if there are any keypresses. Note: this is a
2211 * hack, in a proper Windows application we wouldn't do this.
2218 i = select(width, (void *)&readfds, (void *)&writefds,
2220 if (!i && (!has_stdin_waiting() || !read_tty))
2223 i = select(width, (void *)&readfds, (void *)&writefds,
2227 i = select(width, (void *)&readfds, (void *)&writefds,
2231 BIO_printf(bio_err, "bad select %d\n",
2232 get_last_socket_error());
2238 if ((SSL_version(con) == DTLS1_VERSION)
2239 && DTLSv1_handle_timeout(con) > 0) {
2240 BIO_printf(bio_err, "TIMEOUT occurred\n");
2243 if (!ssl_pending && FD_ISSET(SSL_get_fd(con), &writefds)) {
2244 k = SSL_write(con, &(cbuf[cbuf_off]), (unsigned int)cbuf_len);
2245 switch (SSL_get_error(con, k)) {
2246 case SSL_ERROR_NONE:
2251 /* we have done a write(con,NULL,0); */
2252 if (cbuf_len <= 0) {
2255 } else { /* if (cbuf_len > 0) */
2261 case SSL_ERROR_WANT_WRITE:
2262 BIO_printf(bio_c_out, "write W BLOCK\n");
2266 case SSL_ERROR_WANT_ASYNC:
2267 BIO_printf(bio_c_out, "write A BLOCK\n");
2268 wait_for_async(con);
2272 case SSL_ERROR_WANT_READ:
2273 BIO_printf(bio_c_out, "write R BLOCK\n");
2278 case SSL_ERROR_WANT_X509_LOOKUP:
2279 BIO_printf(bio_c_out, "write X BLOCK\n");
2281 case SSL_ERROR_ZERO_RETURN:
2282 if (cbuf_len != 0) {
2283 BIO_printf(bio_c_out, "shutdown\n");
2292 case SSL_ERROR_SYSCALL:
2293 if ((k != 0) || (cbuf_len != 0)) {
2294 BIO_printf(bio_err, "write:errno=%d\n",
2295 get_last_socket_error());
2302 case SSL_ERROR_WANT_ASYNC_JOB:
2303 /* This shouldn't ever happen in s_client - treat as an error */
2305 ERR_print_errors(bio_err);
2309 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_VMS)
2310 /* Assume Windows/DOS/BeOS can always write */
2311 else if (!ssl_pending && write_tty)
2313 else if (!ssl_pending && FD_ISSET(fileno_stdout(), &writefds))
2316 #ifdef CHARSET_EBCDIC
2317 ascii2ebcdic(&(sbuf[sbuf_off]), &(sbuf[sbuf_off]), sbuf_len);
2319 i = raw_write_stdout(&(sbuf[sbuf_off]), sbuf_len);
2322 BIO_printf(bio_c_out, "DONE\n");
2330 if (sbuf_len <= 0) {
2334 } else if (ssl_pending || FD_ISSET(SSL_get_fd(con), &readfds)) {
2339 SSL_renegotiate(con);
2344 k = SSL_read(con, sbuf, 1024 /* BUFSIZZ */ );
2346 switch (SSL_get_error(con, k)) {
2347 case SSL_ERROR_NONE:
2356 case SSL_ERROR_WANT_ASYNC:
2357 BIO_printf(bio_c_out, "read A BLOCK\n");
2358 wait_for_async(con);
2361 if ((read_tty == 0) && (write_ssl == 0))
2364 case SSL_ERROR_WANT_WRITE:
2365 BIO_printf(bio_c_out, "read W BLOCK\n");
2369 case SSL_ERROR_WANT_READ:
2370 BIO_printf(bio_c_out, "read R BLOCK\n");
2373 if ((read_tty == 0) && (write_ssl == 0))
2376 case SSL_ERROR_WANT_X509_LOOKUP:
2377 BIO_printf(bio_c_out, "read X BLOCK\n");
2379 case SSL_ERROR_SYSCALL:
2380 ret = get_last_socket_error();
2382 BIO_puts(bio_err, "CONNECTION CLOSED BY SERVER\n");
2384 BIO_printf(bio_err, "read:errno=%d\n", ret);
2386 case SSL_ERROR_ZERO_RETURN:
2387 BIO_printf(bio_c_out, "closed\n");
2390 case SSL_ERROR_WANT_ASYNC_JOB:
2391 /* This shouldn't ever happen in s_client. Treat as an error */
2393 ERR_print_errors(bio_err);
2398 /* OPENSSL_SYS_MSDOS includes OPENSSL_SYS_WINDOWS */
2399 #if defined(OPENSSL_SYS_MSDOS)
2400 else if (has_stdin_waiting())
2402 else if (FD_ISSET(fileno_stdin(), &readfds))
2408 i = raw_read_stdin(cbuf, BUFSIZZ / 2);
2410 /* both loops are skipped when i <= 0 */
2411 for (j = 0; j < i; j++)
2412 if (cbuf[j] == '\n')
2414 for (j = i - 1; j >= 0; j--) {
2415 cbuf[j + lf_num] = cbuf[j];
2416 if (cbuf[j] == '\n') {
2419 cbuf[j + lf_num] = '\r';
2422 assert(lf_num == 0);
2424 i = raw_read_stdin(cbuf, BUFSIZZ);
2425 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
2430 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q' && cmdletters))) {
2431 BIO_printf(bio_err, "DONE\n");
2436 if ((!c_ign_eof) && (cbuf[0] == 'R' && cmdletters)) {
2437 BIO_printf(bio_err, "RENEGOTIATING\n");
2438 SSL_renegotiate(con);
2441 #ifndef OPENSSL_NO_HEARTBEATS
2442 else if ((!c_ign_eof) && (cbuf[0] == 'B' && cmdletters)) {
2443 BIO_printf(bio_err, "HEARTBEATING\n");
2451 #ifdef CHARSET_EBCDIC
2452 ebcdic2ascii(cbuf, cbuf, i);
2464 print_stuff(bio_c_out, con, full_log);
2465 do_ssl_shutdown(con);
2468 * Give the socket time to send its last data before we close it.
2469 * No amount of setting SO_LINGER etc on the socket seems to persuade
2470 * Windows to send the data before closing the socket...but sleeping
2471 * for a short time seems to do it (units in ms)
2472 * TODO: Find a better way to do this
2474 #if defined(OPENSSL_SYS_WINDOWS)
2476 #elif defined(OPENSSL_SYS_CYGWIN)
2481 * If we ended with an alert being sent, but still with data in the
2482 * network buffer to be read, then calling BIO_closesocket() will
2483 * result in a TCP-RST being sent. On some platforms (notably
2484 * Windows) then this will result in the peer immediately abandoning
2485 * the connection including any buffered alert data before it has
2486 * had a chance to be read. Shutting down the sending side first,
2487 * and then closing the socket sends TCP-FIN first followed by
2488 * TCP-RST. This seems to allow the peer to read the alert data.
2490 shutdown(SSL_get_fd(con), 1); /* SHUT_WR */
2491 BIO_closesocket(SSL_get_fd(con));
2495 print_stuff(bio_c_out, con, 1);
2498 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2499 OPENSSL_free(next_proto.data);
2503 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2505 sk_X509_pop_free(chain, X509_free);
2507 #ifndef OPENSSL_NO_SRP
2508 OPENSSL_free(srp_arg.srppassin);
2510 OPENSSL_free(connectstr);
2513 X509_VERIFY_PARAM_free(vpm);
2514 ssl_excert_free(exc);
2515 sk_OPENSSL_STRING_free(ssl_args);
2516 sk_OPENSSL_STRING_free(dane_tlsa_rrset);
2517 SSL_CONF_CTX_free(cctx);
2518 OPENSSL_clear_free(cbuf, BUFSIZZ);
2519 OPENSSL_clear_free(sbuf, BUFSIZZ);
2520 OPENSSL_clear_free(mbuf, BUFSIZZ);
2522 BIO_free(bio_c_out);
2524 BIO_free(bio_c_msg);
2529 static void print_stuff(BIO *bio, SSL *s, int full)
2534 STACK_OF(X509_NAME) *sk2;
2535 const SSL_CIPHER *c;
2538 #ifndef OPENSSL_NO_COMP
2539 const COMP_METHOD *comp, *expansion;
2541 unsigned char *exportedkeymat;
2542 #ifndef OPENSSL_NO_CT
2543 const SSL_CTX *ctx = SSL_get_SSL_CTX(s);
2547 int got_a_chain = 0;
2549 sk = SSL_get_peer_cert_chain(s);
2553 BIO_printf(bio, "---\nCertificate chain\n");
2554 for (i = 0; i < sk_X509_num(sk); i++) {
2555 X509_NAME_oneline(X509_get_subject_name(sk_X509_value(sk, i)),
2557 BIO_printf(bio, "%2d s:%s\n", i, buf);
2558 X509_NAME_oneline(X509_get_issuer_name(sk_X509_value(sk, i)),
2560 BIO_printf(bio, " i:%s\n", buf);
2562 PEM_write_bio_X509(bio, sk_X509_value(sk, i));
2566 BIO_printf(bio, "---\n");
2567 peer = SSL_get_peer_certificate(s);
2569 BIO_printf(bio, "Server certificate\n");
2571 /* Redundant if we showed the whole chain */
2572 if (!(c_showcerts && got_a_chain))
2573 PEM_write_bio_X509(bio, peer);
2574 X509_NAME_oneline(X509_get_subject_name(peer), buf, sizeof(buf));
2575 BIO_printf(bio, "subject=%s\n", buf);
2576 X509_NAME_oneline(X509_get_issuer_name(peer), buf, sizeof(buf));
2577 BIO_printf(bio, "issuer=%s\n", buf);
2579 BIO_printf(bio, "no peer certificate available\n");
2581 sk2 = SSL_get_client_CA_list(s);
2582 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0)) {
2583 BIO_printf(bio, "---\nAcceptable client certificate CA names\n");
2584 for (i = 0; i < sk_X509_NAME_num(sk2); i++) {
2585 xn = sk_X509_NAME_value(sk2, i);
2586 X509_NAME_oneline(xn, buf, sizeof(buf));
2587 BIO_write(bio, buf, strlen(buf));
2588 BIO_write(bio, "\n", 1);
2591 BIO_printf(bio, "---\nNo client certificate CA names sent\n");
2594 ssl_print_sigalgs(bio, s);
2595 ssl_print_tmp_key(bio, s);
2597 #ifndef OPENSSL_NO_CT
2599 * When the SSL session is anonymous, or resumed via an abbreviated
2600 * handshake, no SCTs are provided as part of the handshake. While in
2601 * a resumed session SCTs may be present in the session's certificate,
2602 * no callbacks are invoked to revalidate these, and in any case that
2603 * set of SCTs may be incomplete. Thus it makes little sense to
2604 * attempt to display SCTs from a resumed session's certificate, and of
2605 * course none are associated with an anonymous peer.
2607 if (peer != NULL && !SSL_session_reused(s) && SSL_ct_is_enabled(s)) {
2608 const STACK_OF(SCT) *scts = SSL_get0_peer_scts(s);
2609 int sct_count = scts != NULL ? sk_SCT_num(scts) : 0;
2611 BIO_printf(bio, "---\nSCTs present (%i)\n", sct_count);
2612 if (sct_count > 0) {
2613 const CTLOG_STORE *log_store = SSL_CTX_get0_ctlog_store(ctx);
2615 BIO_printf(bio, "---\n");
2616 for (i = 0; i < sct_count; ++i) {
2617 SCT *sct = sk_SCT_value(scts, i);
2619 BIO_printf(bio, "SCT validation status: %s\n",
2620 SCT_validation_status_string(sct));
2621 SCT_print(sct, bio, 0, log_store);
2622 if (i < sct_count - 1)
2623 BIO_printf(bio, "\n---\n");
2625 BIO_printf(bio, "\n");
2631 "---\nSSL handshake has read %"BIO_PRI64"u"
2632 " bytes and written %"BIO_PRI64"u bytes\n",
2633 BIO_number_read(SSL_get_rbio(s)),
2634 BIO_number_written(SSL_get_wbio(s)));
2636 print_verify_detail(s, bio);
2637 BIO_printf(bio, (SSL_session_reused(s) ? "---\nReused, " : "---\nNew, "));
2638 c = SSL_get_current_cipher(s);
2639 BIO_printf(bio, "%s, Cipher is %s\n",
2640 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
2644 pktmp = X509_get0_pubkey(peer);
2645 BIO_printf(bio, "Server public key is %d bit\n",
2646 EVP_PKEY_bits(pktmp));
2648 BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
2649 SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
2650 #ifndef OPENSSL_NO_COMP
2651 comp = SSL_get_current_compression(s);
2652 expansion = SSL_get_current_expansion(s);
2653 BIO_printf(bio, "Compression: %s\n",
2654 comp ? SSL_COMP_get_name(comp) : "NONE");
2655 BIO_printf(bio, "Expansion: %s\n",
2656 expansion ? SSL_COMP_get_name(expansion) : "NONE");
2661 /* Print out local port of connection: useful for debugging */
2663 union BIO_sock_info_u info;
2665 sock = SSL_get_fd(s);
2666 if ((info.addr = BIO_ADDR_new()) != NULL
2667 && BIO_sock_info(sock, BIO_SOCK_INFO_ADDRESS, &info)) {
2668 BIO_printf(bio_c_out, "LOCAL PORT is %u\n",
2669 ntohs(BIO_ADDR_rawport(info.addr)));
2671 BIO_ADDR_free(info.addr);
2675 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2676 if (next_proto.status != -1) {
2677 const unsigned char *proto;
2678 unsigned int proto_len;
2679 SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
2680 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
2681 BIO_write(bio, proto, proto_len);
2682 BIO_write(bio, "\n", 1);
2686 const unsigned char *proto;
2687 unsigned int proto_len;
2688 SSL_get0_alpn_selected(s, &proto, &proto_len);
2689 if (proto_len > 0) {
2690 BIO_printf(bio, "ALPN protocol: ");
2691 BIO_write(bio, proto, proto_len);
2692 BIO_write(bio, "\n", 1);
2694 BIO_printf(bio, "No ALPN negotiated\n");
2697 #ifndef OPENSSL_NO_SRTP
2699 SRTP_PROTECTION_PROFILE *srtp_profile =
2700 SSL_get_selected_srtp_profile(s);
2703 BIO_printf(bio, "SRTP Extension negotiated, profile=%s\n",
2704 srtp_profile->name);
2708 SSL_SESSION_print(bio, SSL_get_session(s));
2709 if (SSL_get_session(s) != NULL && keymatexportlabel != NULL) {
2710 BIO_printf(bio, "Keying material exporter:\n");
2711 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel);
2712 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen);
2713 exportedkeymat = app_malloc(keymatexportlen, "export key");
2714 if (!SSL_export_keying_material(s, exportedkeymat,
2717 strlen(keymatexportlabel),
2719 BIO_printf(bio, " Error\n");
2721 BIO_printf(bio, " Keying material: ");
2722 for (i = 0; i < keymatexportlen; i++)
2723 BIO_printf(bio, "%02X", exportedkeymat[i]);
2724 BIO_printf(bio, "\n");
2726 OPENSSL_free(exportedkeymat);
2728 BIO_printf(bio, "---\n");
2730 /* flush, or debugging output gets mixed with http response */
2731 (void)BIO_flush(bio);
2734 # ifndef OPENSSL_NO_OCSP
2735 static int ocsp_resp_cb(SSL *s, void *arg)
2737 const unsigned char *p;
2740 len = SSL_get_tlsext_status_ocsp_resp(s, &p);
2741 BIO_puts(arg, "OCSP response: ");
2743 BIO_puts(arg, "no response sent\n");
2746 rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
2748 BIO_puts(arg, "response parse error\n");
2749 BIO_dump_indent(arg, (char *)p, len, 4);
2752 BIO_puts(arg, "\n======================================\n");
2753 OCSP_RESPONSE_print(arg, rsp, 0);
2754 BIO_puts(arg, "======================================\n");
2755 OCSP_RESPONSE_free(rsp);
2760 #endif /* OPENSSL_NO_SOCK */