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 (key_len > 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 unix domain sockets"},
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, '<', "Private key file to use, if not in -cert file"},
581 {"keyform", OPT_KEYFORM, 'F', "Key format (PEM or DER) 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, c_status_req = 0;
860 BIO *bio_c_msg = NULL;
864 /* Known false-positive of MemorySanitizer. */
865 #if defined(__has_feature)
866 # if __has_feature(memory_sanitizer)
867 __msan_unpoison(&readfds, sizeof(readfds));
868 __msan_unpoison(&writefds, sizeof(writefds));
872 prog = opt_progname(argv[0]);
877 vpm = X509_VERIFY_PARAM_new();
878 cctx = SSL_CONF_CTX_new();
880 if (vpm == NULL || cctx == NULL) {
881 BIO_printf(bio_err, "%s: out of memory\n", prog);
885 cbuf = app_malloc(BUFSIZZ, "cbuf");
886 sbuf = app_malloc(BUFSIZZ, "sbuf");
887 mbuf = app_malloc(BUFSIZZ, "mbuf");
889 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT | SSL_CONF_FLAG_CMDLINE);
891 prog = opt_init(argc, argv, s_client_options);
892 while ((o = opt_next()) != OPT_EOF) {
893 /* Check for intermixing flags. */
894 if (connect_type == use_unix && IS_INET_FLAG(o)) {
896 "%s: Intermixed protocol flags (unix and internet domains)\n",
900 if (connect_type == use_inet && IS_UNIX_FLAG(o)) {
902 "%s: Intermixed protocol flags (internet and unix domains)\n",
907 if (IS_PROT_FLAG(o) && ++prot_opt > 1) {
908 BIO_printf(bio_err, "Cannot supply multiple protocol flags\n");
911 if (IS_NO_PROT_FLAG(o))
913 if (prot_opt == 1 && no_prot_opt) {
915 "Cannot supply both a protocol flag and '-no_<prot>'\n");
923 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
926 opt_help(s_client_options);
930 connect_type = use_inet;
931 socket_family = AF_INET;
936 connect_type = use_inet;
937 socket_family = AF_INET6;
942 connect_type = use_inet;
943 freeandcopy(&host, opt_arg());
946 connect_type = use_inet;
947 freeandcopy(&port, opt_arg());
950 connect_type = use_inet;
951 freeandcopy(&connectstr, opt_arg());
954 proxystr = opt_arg();
955 starttls_proto = PROTO_CONNECT;
959 connect_type = use_unix;
960 socket_family = AF_UNIX;
961 freeandcopy(&host, opt_arg());
965 xmpphost = opt_arg();
971 verify = SSL_VERIFY_PEER;
972 verify_args.depth = atoi(opt_arg());
974 BIO_printf(bio_err, "verify depth is %d\n", verify_args.depth);
977 cert_file = opt_arg();
980 crl_file = opt_arg();
982 case OPT_CRL_DOWNLOAD:
986 sess_out = opt_arg();
992 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &cert_format))
996 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
999 case OPT_VERIFY_RET_ERROR:
1000 verify_args.return_error = 1;
1002 case OPT_VERIFY_QUIET:
1003 verify_args.quiet = 1;
1006 c_brief = verify_args.quiet = c_quiet = 1;
1009 if (ssl_args == NULL)
1010 ssl_args = sk_OPENSSL_STRING_new_null();
1011 if (ssl_args == NULL
1012 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
1013 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
1014 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1019 if (!opt_verify(o, vpm))
1024 if (!args_excert(o, &exc))
1034 c_quiet = c_ign_eof = 1;
1043 e = setup_engine(opt_arg(), 1);
1045 case OPT_SSL_CLIENT_ENGINE:
1046 #ifndef OPENSSL_NO_ENGINE
1047 ssl_client_engine = ENGINE_by_id(opt_arg());
1048 if (ssl_client_engine == NULL) {
1049 BIO_printf(bio_err, "Error getting client auth engine\n");
1060 case OPT_NO_IGN_EOF:
1066 case OPT_TLSEXTDEBUG:
1081 bio_c_msg = BIO_new_file(opt_arg(), "w");
1084 #ifndef OPENSSL_NO_SSL_TRACE
1088 case OPT_SECURITY_DEBUG:
1091 case OPT_SECURITY_DEBUG_VERBOSE:
1103 #ifndef OPENSSL_NO_PSK
1104 case OPT_PSK_IDENTITY:
1105 psk_identity = opt_arg();
1108 for (p = psk_key = opt_arg(); *p; p++) {
1109 if (isxdigit(_UC(*p)))
1111 BIO_printf(bio_err, "Not a hex number '%s'\n", psk_key);
1116 #ifndef OPENSSL_NO_SRP
1118 srp_arg.srplogin = opt_arg();
1119 if (min_version < TLS1_VERSION)
1120 min_version = TLS1_VERSION;
1123 srppass = opt_arg();
1124 if (min_version < TLS1_VERSION)
1125 min_version = TLS1_VERSION;
1127 case OPT_SRP_STRENGTH:
1128 srp_arg.strength = atoi(opt_arg());
1129 BIO_printf(bio_err, "SRP minimal length for N is %d\n",
1131 if (min_version < TLS1_VERSION)
1132 min_version = TLS1_VERSION;
1134 case OPT_SRP_LATEUSER:
1136 if (min_version < TLS1_VERSION)
1137 min_version = TLS1_VERSION;
1139 case OPT_SRP_MOREGROUPS:
1141 if (min_version < TLS1_VERSION)
1142 min_version = TLS1_VERSION;
1145 case OPT_SSL_CONFIG:
1146 ssl_config = opt_arg();
1149 min_version = SSL3_VERSION;
1150 max_version = SSL3_VERSION;
1153 min_version = TLS1_2_VERSION;
1154 max_version = TLS1_2_VERSION;
1157 min_version = TLS1_1_VERSION;
1158 max_version = TLS1_1_VERSION;
1161 min_version = TLS1_VERSION;
1162 max_version = TLS1_VERSION;
1165 #ifndef OPENSSL_NO_DTLS
1166 meth = DTLS_client_method();
1167 socket_type = SOCK_DGRAM;
1171 #ifndef OPENSSL_NO_DTLS1
1172 meth = DTLS_client_method();
1173 min_version = DTLS1_VERSION;
1174 max_version = DTLS1_VERSION;
1175 socket_type = SOCK_DGRAM;
1179 #ifndef OPENSSL_NO_DTLS1_2
1180 meth = DTLS_client_method();
1181 min_version = DTLS1_2_VERSION;
1182 max_version = DTLS1_2_VERSION;
1183 socket_type = SOCK_DGRAM;
1187 #ifndef OPENSSL_NO_DTLS
1188 enable_timeouts = 1;
1192 #ifndef OPENSSL_NO_DTLS
1193 socket_mtu = atol(opt_arg());
1196 case OPT_FALLBACKSCSV:
1200 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &key_format))
1204 passarg = opt_arg();
1206 case OPT_CERT_CHAIN:
1207 chain_file = opt_arg();
1210 key_file = opt_arg();
1221 case OPT_CHAINCAPATH:
1222 chCApath = opt_arg();
1224 case OPT_VERIFYCAPATH:
1225 vfyCApath = opt_arg();
1227 case OPT_BUILD_CHAIN:
1236 #ifndef OPENSSL_NO_CT
1243 case OPT_CTLOG_FILE:
1244 ctlog_file = opt_arg();
1247 case OPT_CHAINCAFILE:
1248 chCAfile = opt_arg();
1250 case OPT_VERIFYCAFILE:
1251 vfyCAfile = opt_arg();
1253 case OPT_DANE_TLSA_DOMAIN:
1254 dane_tlsa_domain = opt_arg();
1256 case OPT_DANE_TLSA_RRDATA:
1257 if (dane_tlsa_rrset == NULL)
1258 dane_tlsa_rrset = sk_OPENSSL_STRING_new_null();
1259 if (dane_tlsa_rrset == NULL ||
1260 !sk_OPENSSL_STRING_push(dane_tlsa_rrset, opt_arg())) {
1261 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1265 case OPT_DANE_EE_NO_NAME:
1266 dane_ee_no_name = 1;
1268 case OPT_NEXTPROTONEG:
1269 #ifndef OPENSSL_NO_NEXTPROTONEG
1270 next_proto_neg_in = opt_arg();
1274 alpn_in = opt_arg();
1276 case OPT_SERVERINFO:
1279 for (start = 0, i = 0; i <= len; ++i) {
1280 if (i == len || p[i] == ',') {
1281 serverinfo_types[serverinfo_count] = atoi(p + start);
1282 if (++serverinfo_count == MAX_SI_TYPES)
1289 if (!opt_pair(opt_arg(), services, &starttls_proto))
1292 case OPT_SERVERNAME:
1293 servername = opt_arg();
1296 srtp_profiles = opt_arg();
1298 case OPT_KEYMATEXPORT:
1299 keymatexportlabel = opt_arg();
1301 case OPT_KEYMATEXPORTLEN:
1302 keymatexportlen = atoi(opt_arg());
1307 case OPT_SPLIT_SEND_FRAG:
1308 split_send_fragment = atoi(opt_arg());
1309 if (split_send_fragment == 0) {
1311 * Not allowed - set to a deliberately bad value so we get an
1312 * error message below
1314 split_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH + 1;
1317 case OPT_MAX_PIPELINES:
1318 max_pipelines = atoi(opt_arg());
1321 read_buf_len = atoi(opt_arg());
1325 if (count4or6 >= 2) {
1326 BIO_printf(bio_err, "%s: Can't use both -4 and -6\n", prog);
1329 argc = opt_num_rest();
1335 char *tmp_host = host, *tmp_port = port;
1336 if (connectstr == NULL) {
1337 BIO_printf(bio_err, "%s: -proxy requires use of -connect\n", prog);
1340 res = BIO_parse_hostserv(proxystr, &host, &port, BIO_PARSE_PRIO_HOST);
1341 if (tmp_host != host)
1342 OPENSSL_free(tmp_host);
1343 if (tmp_port != port)
1344 OPENSSL_free(tmp_port);
1347 "%s: -proxy argument malformed or ambiguous\n", prog);
1352 char *tmp_host = host, *tmp_port = port;
1353 if (connectstr != NULL)
1354 res = BIO_parse_hostserv(connectstr, &host, &port,
1355 BIO_PARSE_PRIO_HOST);
1356 if (tmp_host != host)
1357 OPENSSL_free(tmp_host);
1358 if (tmp_port != port)
1359 OPENSSL_free(tmp_port);
1362 "%s: -connect argument malformed or ambiguous\n",
1368 if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) {
1370 "Can't use unix sockets and datagrams together\n");
1374 if (split_send_fragment > SSL3_RT_MAX_PLAIN_LENGTH) {
1375 BIO_printf(bio_err, "Bad split send fragment size\n");
1379 if (max_pipelines > SSL_MAX_PIPELINES) {
1380 BIO_printf(bio_err, "Bad max pipelines value\n");
1384 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1385 next_proto.status = -1;
1386 if (next_proto_neg_in) {
1388 next_protos_parse(&next_proto.len, next_proto_neg_in);
1389 if (next_proto.data == NULL) {
1390 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n");
1394 next_proto.data = NULL;
1397 if (!app_passwd(passarg, NULL, &pass, NULL)) {
1398 BIO_printf(bio_err, "Error getting password\n");
1402 if (key_file == NULL)
1403 key_file = cert_file;
1406 key = load_key(key_file, key_format, 0, pass, e,
1407 "client certificate private key file");
1409 ERR_print_errors(bio_err);
1415 cert = load_cert(cert_file, cert_format, "client certificate file");
1417 ERR_print_errors(bio_err);
1423 if (!load_certs(chain_file, &chain, FORMAT_PEM, NULL,
1424 "client certificate chain"))
1430 crl = load_crl(crl_file, crl_format);
1432 BIO_puts(bio_err, "Error loading CRL\n");
1433 ERR_print_errors(bio_err);
1436 crls = sk_X509_CRL_new_null();
1437 if (crls == NULL || !sk_X509_CRL_push(crls, crl)) {
1438 BIO_puts(bio_err, "Error adding CRL\n");
1439 ERR_print_errors(bio_err);
1445 if (!load_excert(&exc))
1448 if (!app_RAND_load_file(NULL, 1) && inrand == NULL
1449 && !RAND_status()) {
1451 "warning, not much extra random data, consider using the -rand option\n");
1453 if (inrand != NULL) {
1454 randamt = app_RAND_load_files(inrand);
1455 BIO_printf(bio_err, "%ld semi-random bytes loaded\n", randamt);
1458 if (bio_c_out == NULL) {
1459 if (c_quiet && !c_debug) {
1460 bio_c_out = BIO_new(BIO_s_null());
1461 if (c_msg && !bio_c_msg)
1462 bio_c_msg = dup_bio_out(FORMAT_TEXT);
1463 } else if (bio_c_out == NULL)
1464 bio_c_out = dup_bio_out(FORMAT_TEXT);
1466 #ifndef OPENSSL_NO_SRP
1467 if (!app_passwd(srppass, NULL, &srp_arg.srppassin, NULL)) {
1468 BIO_printf(bio_err, "Error getting password\n");
1473 ctx = SSL_CTX_new(meth);
1475 ERR_print_errors(bio_err);
1480 ssl_ctx_security_debug(ctx, sdebug);
1483 if (SSL_CTX_config(ctx, ssl_config) == 0) {
1484 BIO_printf(bio_err, "Error using configuration \"%s\"\n",
1486 ERR_print_errors(bio_err);
1491 if (SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
1493 if (SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
1496 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
1497 BIO_printf(bio_err, "Error setting verify params\n");
1498 ERR_print_errors(bio_err);
1503 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
1505 if (split_send_fragment > 0) {
1506 SSL_CTX_set_split_send_fragment(ctx, split_send_fragment);
1508 if (max_pipelines > 0) {
1509 SSL_CTX_set_max_pipelines(ctx, max_pipelines);
1512 if (read_buf_len > 0) {
1513 SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len);
1516 if (!config_ctx(cctx, ssl_args, ctx))
1519 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1520 crls, crl_download)) {
1521 BIO_printf(bio_err, "Error loading store locations\n");
1522 ERR_print_errors(bio_err);
1525 #ifndef OPENSSL_NO_ENGINE
1526 if (ssl_client_engine) {
1527 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine)) {
1528 BIO_puts(bio_err, "Error setting client auth engine\n");
1529 ERR_print_errors(bio_err);
1530 ENGINE_free(ssl_client_engine);
1533 ENGINE_free(ssl_client_engine);
1537 #ifndef OPENSSL_NO_PSK
1538 if (psk_key != NULL) {
1540 BIO_printf(bio_c_out, "PSK key given, setting client callback\n");
1541 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
1544 #ifndef OPENSSL_NO_SRTP
1545 if (srtp_profiles != NULL) {
1546 /* Returns 0 on success! */
1547 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
1548 BIO_printf(bio_err, "Error setting SRTP profile\n");
1549 ERR_print_errors(bio_err);
1556 ssl_ctx_set_excert(ctx, exc);
1558 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1559 if (next_proto.data)
1560 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
1564 unsigned char *alpn = next_protos_parse(&alpn_len, alpn_in);
1567 BIO_printf(bio_err, "Error parsing -alpn argument\n");
1570 /* Returns 0 on success! */
1571 if (SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len) != 0) {
1572 BIO_printf(bio_err, "Error setting ALPN\n");
1578 for (i = 0; i < serverinfo_count; i++) {
1579 if (!SSL_CTX_add_client_custom_ext(ctx,
1580 serverinfo_types[i],
1582 serverinfo_cli_parse_cb, NULL)) {
1584 "Warning: Unable to add custom extension %u, skipping\n",
1585 serverinfo_types[i]);
1590 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1592 #ifndef OPENSSL_NO_CT
1593 /* Enable SCT processing, without early connection termination */
1594 if (ct_validation &&
1595 !SSL_CTX_enable_ct(ctx, SSL_CT_VALIDATION_PERMISSIVE)) {
1596 ERR_print_errors(bio_err);
1600 if (!ctx_set_ctlog_list_file(ctx, ctlog_file)) {
1601 if (ct_validation) {
1602 ERR_print_errors(bio_err);
1607 * If CT validation is not enabled, the log list isn't needed so don't
1608 * show errors or abort. We try to load it regardless because then we
1609 * can show the names of the logs any SCTs came from (SCTs may be seen
1610 * even with validation disabled).
1616 SSL_CTX_set_verify(ctx, verify, verify_callback);
1618 if (!ctx_set_verify_locations(ctx, CAfile, CApath, noCAfile, noCApath)) {
1619 ERR_print_errors(bio_err);
1623 ssl_ctx_add_crls(ctx, crls, crl_download);
1625 if (!set_cert_key_stuff(ctx, cert, key, chain, build_chain))
1628 if (servername != NULL) {
1629 tlsextcbp.biodebug = bio_err;
1630 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1631 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1633 # ifndef OPENSSL_NO_SRP
1634 if (srp_arg.srplogin) {
1635 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin)) {
1636 BIO_printf(bio_err, "Unable to set SRP username\n");
1639 srp_arg.msg = c_msg;
1640 srp_arg.debug = c_debug;
1641 SSL_CTX_set_srp_cb_arg(ctx, &srp_arg);
1642 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb);
1643 SSL_CTX_set_srp_strength(ctx, srp_arg.strength);
1644 if (c_msg || c_debug || srp_arg.amp == 0)
1645 SSL_CTX_set_srp_verify_param_callback(ctx,
1646 ssl_srp_verify_param_cb);
1650 if (dane_tlsa_domain != NULL) {
1651 if (SSL_CTX_dane_enable(ctx) <= 0) {
1653 "%s: Error enabling DANE TLSA authentication.\n",
1655 ERR_print_errors(bio_err);
1663 BIO *stmp = BIO_new_file(sess_in, "r");
1665 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1666 ERR_print_errors(bio_err);
1669 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1672 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1673 ERR_print_errors(bio_err);
1676 if (!SSL_set_session(con, sess)) {
1677 BIO_printf(bio_err, "Can't set session\n");
1678 ERR_print_errors(bio_err);
1681 SSL_SESSION_free(sess);
1685 SSL_set_mode(con, SSL_MODE_SEND_FALLBACK_SCSV);
1687 if (servername != NULL) {
1688 if (!SSL_set_tlsext_host_name(con, servername)) {
1689 BIO_printf(bio_err, "Unable to set TLS servername extension.\n");
1690 ERR_print_errors(bio_err);
1695 if (dane_tlsa_domain != NULL) {
1696 if (SSL_dane_enable(con, dane_tlsa_domain) <= 0) {
1697 BIO_printf(bio_err, "%s: Error enabling DANE TLSA "
1698 "authentication.\n", prog);
1699 ERR_print_errors(bio_err);
1702 if (dane_tlsa_rrset == NULL) {
1703 BIO_printf(bio_err, "%s: DANE TLSA authentication requires at "
1704 "least one -dane_tlsa_rrdata option.\n", prog);
1707 if (tlsa_import_rrset(con, dane_tlsa_rrset) <= 0) {
1708 BIO_printf(bio_err, "%s: Failed to import any TLSA "
1709 "records.\n", prog);
1712 if (dane_ee_no_name)
1713 SSL_dane_set_flags(con, DANE_FLAG_NO_DANE_EE_NAMECHECKS);
1714 } else if (dane_tlsa_rrset != NULL) {
1715 BIO_printf(bio_err, "%s: DANE TLSA authentication requires the "
1716 "-dane_tlsa_domain option.\n", prog);
1721 if (init_client(&s, host, port, socket_family, socket_type) == 0) {
1722 BIO_printf(bio_err, "connect:errno=%d\n", get_last_socket_error());
1726 BIO_printf(bio_c_out, "CONNECTED(%08X)\n", s);
1729 if (!BIO_socket_nbio(s, 1)) {
1730 ERR_print_errors(bio_err);
1733 BIO_printf(bio_c_out, "Turned on non blocking io\n");
1735 #ifndef OPENSSL_NO_DTLS
1736 if (socket_type == SOCK_DGRAM) {
1737 union BIO_sock_info_u peer_info;
1739 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
1740 if ((peer_info.addr = BIO_ADDR_new()) == NULL) {
1741 BIO_printf(bio_err, "memory allocation failure\n");
1745 if (!BIO_sock_info(s, BIO_SOCK_INFO_ADDRESS, &peer_info)) {
1746 BIO_printf(bio_err, "getsockname:errno=%d\n",
1747 get_last_socket_error());
1748 BIO_ADDR_free(peer_info.addr);
1753 (void)BIO_ctrl_set_connected(sbio, peer_info.addr);
1754 BIO_ADDR_free(peer_info.addr);
1755 peer_info.addr = NULL;
1757 if (enable_timeouts) {
1759 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1760 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1763 timeout.tv_usec = DGRAM_SND_TIMEOUT;
1764 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1768 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
1769 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
1770 DTLS_get_link_min_mtu(con));
1774 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1775 if (!DTLS_set_link_mtu(con, socket_mtu)) {
1776 BIO_printf(bio_err, "Failed to set MTU\n");
1781 /* want to do MTU discovery */
1782 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1784 #endif /* OPENSSL_NO_DTLS */
1785 sbio = BIO_new_socket(s, BIO_NOCLOSE);
1790 test = BIO_new(BIO_f_nbio_test());
1791 sbio = BIO_push(test, sbio);
1795 BIO_set_callback(sbio, bio_dump_callback);
1796 BIO_set_callback_arg(sbio, (char *)bio_c_out);
1799 #ifndef OPENSSL_NO_SSL_TRACE
1801 SSL_set_msg_callback(con, SSL_trace);
1804 SSL_set_msg_callback(con, msg_cb);
1805 SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out);
1808 if (c_tlsextdebug) {
1809 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1810 SSL_set_tlsext_debug_arg(con, bio_c_out);
1812 #ifndef OPENSSL_NO_OCSP
1814 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
1815 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
1816 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
1820 SSL_set_bio(con, sbio, sbio);
1821 SSL_set_connect_state(con);
1823 /* ok, lets connect */
1824 if (fileno_stdin() > SSL_get_fd(con))
1825 width = fileno_stdin() + 1;
1827 width = SSL_get_fd(con) + 1;
1840 switch ((PROTOCOL_CHOICE) starttls_proto) {
1846 * This is an ugly hack that does a lot of assumptions. We do
1847 * have to handle multi-line responses which may come in a single
1848 * packet or not. We therefore have to use BIO_gets() which does
1849 * need a buffering BIO. So during the initial chitchat we do
1850 * push a buffering BIO into the chain that is removed again
1851 * later on to not disturb the rest of the s_client operation.
1854 BIO *fbio = BIO_new(BIO_f_buffer());
1855 BIO_push(fbio, sbio);
1856 /* wait for multi-line response to end from SMTP */
1858 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1860 while (mbuf_len > 3 && mbuf[3] == '-');
1861 BIO_printf(fbio, "EHLO %s\r\n", ehlo);
1862 (void)BIO_flush(fbio);
1863 /* wait for multi-line response to end EHLO SMTP response */
1865 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1866 if (strstr(mbuf, "STARTTLS"))
1869 while (mbuf_len > 3 && mbuf[3] == '-');
1870 (void)BIO_flush(fbio);
1875 "didn't find starttls in server response,"
1876 " trying anyway...\n");
1877 BIO_printf(sbio, "STARTTLS\r\n");
1878 BIO_read(sbio, sbuf, BUFSIZZ);
1883 BIO_read(sbio, mbuf, BUFSIZZ);
1884 BIO_printf(sbio, "STLS\r\n");
1885 mbuf_len = BIO_read(sbio, sbuf, BUFSIZZ);
1887 BIO_printf(bio_err, "BIO_read failed\n");
1895 BIO *fbio = BIO_new(BIO_f_buffer());
1896 BIO_push(fbio, sbio);
1897 BIO_gets(fbio, mbuf, BUFSIZZ);
1898 /* STARTTLS command requires CAPABILITY... */
1899 BIO_printf(fbio, ". CAPABILITY\r\n");
1900 (void)BIO_flush(fbio);
1901 /* wait for multi-line CAPABILITY response */
1903 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1904 if (strstr(mbuf, "STARTTLS"))
1907 while (mbuf_len > 3 && mbuf[0] != '.');
1908 (void)BIO_flush(fbio);
1913 "didn't find STARTTLS in server response,"
1914 " trying anyway...\n");
1915 BIO_printf(sbio, ". STARTTLS\r\n");
1916 BIO_read(sbio, sbuf, BUFSIZZ);
1921 BIO *fbio = BIO_new(BIO_f_buffer());
1922 BIO_push(fbio, sbio);
1923 /* wait for multi-line response to end from FTP */
1925 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1927 while (mbuf_len > 3 && mbuf[3] == '-');
1928 (void)BIO_flush(fbio);
1931 BIO_printf(sbio, "AUTH TLS\r\n");
1932 BIO_read(sbio, sbuf, BUFSIZZ);
1936 case PROTO_XMPP_SERVER:
1939 BIO_printf(sbio, "<stream:stream "
1940 "xmlns:stream='http://etherx.jabber.org/streams' "
1941 "xmlns='jabber:%s' to='%s' version='1.0'>",
1942 starttls_proto == PROTO_XMPP ? "client" : "server",
1943 xmpphost ? xmpphost : host);
1944 seen = BIO_read(sbio, mbuf, BUFSIZZ);
1947 (mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")
1949 "<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\""))
1951 seen = BIO_read(sbio, mbuf, BUFSIZZ);
1959 "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
1960 seen = BIO_read(sbio, sbuf, BUFSIZZ);
1962 if (!strstr(sbuf, "<proceed"))
1969 static const unsigned char tls_do[] = {
1970 /* IAC DO START_TLS */
1973 static const unsigned char tls_will[] = {
1974 /* IAC WILL START_TLS */
1977 static const unsigned char tls_follows[] = {
1978 /* IAC SB START_TLS FOLLOWS IAC SE */
1979 255, 250, 46, 1, 255, 240
1983 /* Telnet server should demand we issue START_TLS */
1984 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
1985 if (bytes != 3 || memcmp(mbuf, tls_do, 3) != 0)
1987 /* Agree to issue START_TLS and send the FOLLOWS sub-command */
1988 BIO_write(sbio, tls_will, 3);
1989 BIO_write(sbio, tls_follows, 6);
1990 (void)BIO_flush(sbio);
1991 /* Telnet server also sent the FOLLOWS sub-command */
1992 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
1993 if (bytes != 6 || memcmp(mbuf, tls_follows, 6) != 0)
2000 BIO *fbio = BIO_new(BIO_f_buffer());
2002 BIO_push(fbio, sbio);
2003 BIO_printf(fbio, "CONNECT %s HTTP/1.0\r\n\r\n", connectstr);
2004 (void)BIO_flush(fbio);
2005 /* wait for multi-line response to end CONNECT response */
2007 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2008 if (strstr(mbuf, "200") != NULL
2009 && strstr(mbuf, "established") != NULL)
2011 } while (mbuf_len > 3 && foundit == 0);
2012 (void)BIO_flush(fbio);
2016 BIO_printf(bio_err, "%s: HTTP CONNECT failed\n", prog);
2024 BIO *fbio = BIO_new(BIO_f_buffer());
2026 BIO_push(fbio, sbio);
2027 BIO_printf(fbio, "STARTTLS\r\n");
2028 (void)BIO_flush(fbio);
2029 width = SSL_get_fd(con) + 1;
2035 openssl_fdset(SSL_get_fd(con), &readfds);
2036 timeout.tv_sec = S_CLIENT_IRC_READ_TIMEOUT;
2037 timeout.tv_usec = 0;
2039 * If the IRCd doesn't respond within
2040 * S_CLIENT_IRC_READ_TIMEOUT seconds, assume
2041 * it doesn't support STARTTLS. Many IRCds
2042 * will not give _any_ sort of response to a
2043 * STARTTLS command when it's not supported.
2045 if (!BIO_get_buffer_num_lines(fbio)
2046 && !BIO_pending(fbio)
2047 && !BIO_pending(sbio)
2048 && select(width, (void *)&readfds, NULL, NULL,
2051 "Timeout waiting for response (%d seconds).\n",
2052 S_CLIENT_IRC_READ_TIMEOUT);
2056 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2057 if (mbuf_len < 1 || sscanf(mbuf, "%*s %d", &numeric) != 1)
2059 /* :example.net 451 STARTTLS :You have not registered */
2060 /* :example.net 421 STARTTLS :Unknown command */
2061 if ((numeric == 451 || numeric == 421)
2062 && strstr(mbuf, "STARTTLS") != NULL) {
2063 BIO_printf(bio_err, "STARTTLS not supported: %s", mbuf);
2066 if (numeric == 691) {
2067 BIO_printf(bio_err, "STARTTLS negotiation failed: ");
2068 ERR_print_errors(bio_err);
2071 } while (numeric != 670);
2073 (void)BIO_flush(fbio);
2076 if (numeric != 670) {
2077 BIO_printf(bio_err, "Server does not support STARTTLS.\n");
2088 if ((SSL_version(con) == DTLS1_VERSION) &&
2089 DTLSv1_get_timeout(con, &timeout))
2090 timeoutp = &timeout;
2094 if (SSL_in_init(con) && !SSL_total_renegotiations(con)) {
2102 if (servername != NULL && !SSL_session_reused(con)) {
2103 BIO_printf(bio_c_out,
2104 "Server did %sacknowledge servername extension.\n",
2105 tlsextcbp.ack ? "" : "not ");
2109 BIO *stmp = BIO_new_file(sess_out, "w");
2111 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));
2114 BIO_printf(bio_err, "Error writing session file %s\n",
2118 BIO_puts(bio_err, "CONNECTION ESTABLISHED\n");
2119 print_ssl_summary(con);
2122 print_stuff(bio_c_out, con, full_log);
2126 if (starttls_proto) {
2127 BIO_write(bio_err, mbuf, mbuf_len);
2128 /* We don't need to know any more */
2130 starttls_proto = PROTO_OFF;
2135 BIO_printf(bio_c_out,
2136 "drop connection and then reconnect\n");
2137 do_ssl_shutdown(con);
2138 SSL_set_connect_state(con);
2139 BIO_closesocket(SSL_get_fd(con));
2145 ssl_pending = read_ssl && SSL_has_pending(con);
2148 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
2151 * Note that select() returns when read _would not block_,
2152 * and EOF satisfies that. To avoid a CPU-hogging loop,
2153 * set the flag so we exit.
2155 if (read_tty && !at_eof)
2156 openssl_fdset(fileno_stdin(), &readfds);
2157 #if !defined(OPENSSL_SYS_VMS)
2159 openssl_fdset(fileno_stdout(), &writefds);
2163 openssl_fdset(SSL_get_fd(con), &readfds);
2165 openssl_fdset(SSL_get_fd(con), &writefds);
2167 if (!tty_on || !write_tty) {
2169 openssl_fdset(SSL_get_fd(con), &readfds);
2171 openssl_fdset(SSL_get_fd(con), &writefds);
2176 * Note: under VMS with SOCKETSHR the second parameter is
2177 * currently of type (int *) whereas under other systems it is
2178 * (void *) if you don't have a cast it will choke the compiler:
2179 * if you do have a cast then you can either go for (int *) or
2182 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2184 * Under Windows/DOS we make the assumption that we can always
2185 * write to the tty: therefore if we need to write to the tty we
2186 * just fall through. Otherwise we timeout the select every
2187 * second and see if there are any keypresses. Note: this is a
2188 * hack, in a proper Windows application we wouldn't do this.
2195 i = select(width, (void *)&readfds, (void *)&writefds,
2197 if (!i && (!has_stdin_waiting() || !read_tty))
2200 i = select(width, (void *)&readfds, (void *)&writefds,
2204 i = select(width, (void *)&readfds, (void *)&writefds,
2208 BIO_printf(bio_err, "bad select %d\n",
2209 get_last_socket_error());
2215 if ((SSL_version(con) == DTLS1_VERSION)
2216 && DTLSv1_handle_timeout(con) > 0) {
2217 BIO_printf(bio_err, "TIMEOUT occurred\n");
2220 if (!ssl_pending && FD_ISSET(SSL_get_fd(con), &writefds)) {
2221 k = SSL_write(con, &(cbuf[cbuf_off]), (unsigned int)cbuf_len);
2222 switch (SSL_get_error(con, k)) {
2223 case SSL_ERROR_NONE:
2228 /* we have done a write(con,NULL,0); */
2229 if (cbuf_len <= 0) {
2232 } else { /* if (cbuf_len > 0) */
2238 case SSL_ERROR_WANT_WRITE:
2239 BIO_printf(bio_c_out, "write W BLOCK\n");
2243 case SSL_ERROR_WANT_ASYNC:
2244 BIO_printf(bio_c_out, "write A BLOCK\n");
2245 wait_for_async(con);
2249 case SSL_ERROR_WANT_READ:
2250 BIO_printf(bio_c_out, "write R BLOCK\n");
2255 case SSL_ERROR_WANT_X509_LOOKUP:
2256 BIO_printf(bio_c_out, "write X BLOCK\n");
2258 case SSL_ERROR_ZERO_RETURN:
2259 if (cbuf_len != 0) {
2260 BIO_printf(bio_c_out, "shutdown\n");
2269 case SSL_ERROR_SYSCALL:
2270 if ((k != 0) || (cbuf_len != 0)) {
2271 BIO_printf(bio_err, "write:errno=%d\n",
2272 get_last_socket_error());
2279 case SSL_ERROR_WANT_ASYNC_JOB:
2280 /* This shouldn't ever happen in s_client - treat as an error */
2282 ERR_print_errors(bio_err);
2286 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_VMS)
2287 /* Assume Windows/DOS/BeOS can always write */
2288 else if (!ssl_pending && write_tty)
2290 else if (!ssl_pending && FD_ISSET(fileno_stdout(), &writefds))
2293 #ifdef CHARSET_EBCDIC
2294 ascii2ebcdic(&(sbuf[sbuf_off]), &(sbuf[sbuf_off]), sbuf_len);
2296 i = raw_write_stdout(&(sbuf[sbuf_off]), sbuf_len);
2299 BIO_printf(bio_c_out, "DONE\n");
2307 if (sbuf_len <= 0) {
2311 } else if (ssl_pending || FD_ISSET(SSL_get_fd(con), &readfds)) {
2316 SSL_renegotiate(con);
2321 k = SSL_read(con, sbuf, 1024 /* BUFSIZZ */ );
2323 switch (SSL_get_error(con, k)) {
2324 case SSL_ERROR_NONE:
2333 case SSL_ERROR_WANT_ASYNC:
2334 BIO_printf(bio_c_out, "read A BLOCK\n");
2335 wait_for_async(con);
2338 if ((read_tty == 0) && (write_ssl == 0))
2341 case SSL_ERROR_WANT_WRITE:
2342 BIO_printf(bio_c_out, "read W BLOCK\n");
2346 case SSL_ERROR_WANT_READ:
2347 BIO_printf(bio_c_out, "read R BLOCK\n");
2350 if ((read_tty == 0) && (write_ssl == 0))
2353 case SSL_ERROR_WANT_X509_LOOKUP:
2354 BIO_printf(bio_c_out, "read X BLOCK\n");
2356 case SSL_ERROR_SYSCALL:
2357 ret = get_last_socket_error();
2359 BIO_puts(bio_err, "CONNECTION CLOSED BY SERVER\n");
2361 BIO_printf(bio_err, "read:errno=%d\n", ret);
2363 case SSL_ERROR_ZERO_RETURN:
2364 BIO_printf(bio_c_out, "closed\n");
2367 case SSL_ERROR_WANT_ASYNC_JOB:
2368 /* This shouldn't ever happen in s_client. Treat as an error */
2370 ERR_print_errors(bio_err);
2375 /* OPENSSL_SYS_MSDOS includes OPENSSL_SYS_WINDOWS */
2376 #if defined(OPENSSL_SYS_MSDOS)
2377 else if (has_stdin_waiting())
2379 else if (FD_ISSET(fileno_stdin(), &readfds))
2385 i = raw_read_stdin(cbuf, BUFSIZZ / 2);
2387 /* both loops are skipped when i <= 0 */
2388 for (j = 0; j < i; j++)
2389 if (cbuf[j] == '\n')
2391 for (j = i - 1; j >= 0; j--) {
2392 cbuf[j + lf_num] = cbuf[j];
2393 if (cbuf[j] == '\n') {
2396 cbuf[j + lf_num] = '\r';
2399 assert(lf_num == 0);
2401 i = raw_read_stdin(cbuf, BUFSIZZ);
2402 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
2407 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q' && cmdletters))) {
2408 BIO_printf(bio_err, "DONE\n");
2413 if ((!c_ign_eof) && (cbuf[0] == 'R' && cmdletters)) {
2414 BIO_printf(bio_err, "RENEGOTIATING\n");
2415 SSL_renegotiate(con);
2418 #ifndef OPENSSL_NO_HEARTBEATS
2419 else if ((!c_ign_eof) && (cbuf[0] == 'B' && cmdletters)) {
2420 BIO_printf(bio_err, "HEARTBEATING\n");
2428 #ifdef CHARSET_EBCDIC
2429 ebcdic2ascii(cbuf, cbuf, i);
2441 print_stuff(bio_c_out, con, full_log);
2442 do_ssl_shutdown(con);
2443 #if defined(OPENSSL_SYS_WINDOWS)
2445 * Give the socket time to send its last data before we close it.
2446 * No amount of setting SO_LINGER etc on the socket seems to persuade
2447 * Windows to send the data before closing the socket...but sleeping
2448 * for a short time seems to do it (units in ms)
2449 * TODO: Find a better way to do this
2453 BIO_closesocket(SSL_get_fd(con));
2457 print_stuff(bio_c_out, con, 1);
2460 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2461 OPENSSL_free(next_proto.data);
2465 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2467 sk_X509_pop_free(chain, X509_free);
2469 #ifndef OPENSSL_NO_SRP
2470 OPENSSL_free(srp_arg.srppassin);
2474 X509_VERIFY_PARAM_free(vpm);
2475 ssl_excert_free(exc);
2476 sk_OPENSSL_STRING_free(ssl_args);
2477 sk_OPENSSL_STRING_free(dane_tlsa_rrset);
2478 SSL_CONF_CTX_free(cctx);
2479 OPENSSL_clear_free(cbuf, BUFSIZZ);
2480 OPENSSL_clear_free(sbuf, BUFSIZZ);
2481 OPENSSL_clear_free(mbuf, BUFSIZZ);
2482 BIO_free(bio_c_out);
2484 BIO_free(bio_c_msg);
2489 static void print_stuff(BIO *bio, SSL *s, int full)
2494 STACK_OF(X509_NAME) *sk2;
2495 const SSL_CIPHER *c;
2498 #ifndef OPENSSL_NO_COMP
2499 const COMP_METHOD *comp, *expansion;
2501 unsigned char *exportedkeymat;
2502 #ifndef OPENSSL_NO_CT
2503 const SSL_CTX *ctx = SSL_get_SSL_CTX(s);
2507 int got_a_chain = 0;
2509 sk = SSL_get_peer_cert_chain(s);
2513 BIO_printf(bio, "---\nCertificate chain\n");
2514 for (i = 0; i < sk_X509_num(sk); i++) {
2515 X509_NAME_oneline(X509_get_subject_name(sk_X509_value(sk, i)),
2517 BIO_printf(bio, "%2d s:%s\n", i, buf);
2518 X509_NAME_oneline(X509_get_issuer_name(sk_X509_value(sk, i)),
2520 BIO_printf(bio, " i:%s\n", buf);
2522 PEM_write_bio_X509(bio, sk_X509_value(sk, i));
2526 BIO_printf(bio, "---\n");
2527 peer = SSL_get_peer_certificate(s);
2529 BIO_printf(bio, "Server certificate\n");
2531 /* Redundant if we showed the whole chain */
2532 if (!(c_showcerts && got_a_chain))
2533 PEM_write_bio_X509(bio, peer);
2534 X509_NAME_oneline(X509_get_subject_name(peer), buf, sizeof buf);
2535 BIO_printf(bio, "subject=%s\n", buf);
2536 X509_NAME_oneline(X509_get_issuer_name(peer), buf, sizeof buf);
2537 BIO_printf(bio, "issuer=%s\n", buf);
2539 BIO_printf(bio, "no peer certificate available\n");
2541 sk2 = SSL_get_client_CA_list(s);
2542 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0)) {
2543 BIO_printf(bio, "---\nAcceptable client certificate CA names\n");
2544 for (i = 0; i < sk_X509_NAME_num(sk2); i++) {
2545 xn = sk_X509_NAME_value(sk2, i);
2546 X509_NAME_oneline(xn, buf, sizeof(buf));
2547 BIO_write(bio, buf, strlen(buf));
2548 BIO_write(bio, "\n", 1);
2551 BIO_printf(bio, "---\nNo client certificate CA names sent\n");
2554 ssl_print_sigalgs(bio, s);
2555 ssl_print_tmp_key(bio, s);
2557 #ifndef OPENSSL_NO_CT
2559 * When the SSL session is anonymous, or resumed via an abbreviated
2560 * handshake, no SCTs are provided as part of the handshake. While in
2561 * a resumed session SCTs may be present in the session's certificate,
2562 * no callbacks are invoked to revalidate these, and in any case that
2563 * set of SCTs may be incomplete. Thus it makes little sense to
2564 * attempt to display SCTs from a resumed session's certificate, and of
2565 * course none are associated with an anonymous peer.
2567 if (peer != NULL && !SSL_session_reused(s) && SSL_ct_is_enabled(s)) {
2568 const STACK_OF(SCT) *scts = SSL_get0_peer_scts(s);
2569 int sct_count = scts != NULL ? sk_SCT_num(scts) : 0;
2571 BIO_printf(bio, "---\nSCTs present (%i)\n", sct_count);
2572 if (sct_count > 0) {
2573 const CTLOG_STORE *log_store = SSL_CTX_get0_ctlog_store(ctx);
2575 BIO_printf(bio, "---\n");
2576 for (i = 0; i < sct_count; ++i) {
2577 SCT *sct = sk_SCT_value(scts, i);
2579 BIO_printf(bio, "SCT validation status: %s\n",
2580 SCT_validation_status_string(sct));
2581 SCT_print(sct, bio, 0, log_store);
2582 if (i < sct_count - 1)
2583 BIO_printf(bio, "\n---\n");
2585 BIO_printf(bio, "\n");
2591 "---\nSSL handshake has read %" PRIu64
2592 " bytes and written %" PRIu64 " bytes\n",
2593 BIO_number_read(SSL_get_rbio(s)),
2594 BIO_number_written(SSL_get_wbio(s)));
2596 print_verify_detail(s, bio);
2597 BIO_printf(bio, (SSL_session_reused(s) ? "---\nReused, " : "---\nNew, "));
2598 c = SSL_get_current_cipher(s);
2599 BIO_printf(bio, "%s, Cipher is %s\n",
2600 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
2604 pktmp = X509_get0_pubkey(peer);
2605 BIO_printf(bio, "Server public key is %d bit\n",
2606 EVP_PKEY_bits(pktmp));
2608 BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
2609 SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
2610 #ifndef OPENSSL_NO_COMP
2611 comp = SSL_get_current_compression(s);
2612 expansion = SSL_get_current_expansion(s);
2613 BIO_printf(bio, "Compression: %s\n",
2614 comp ? SSL_COMP_get_name(comp) : "NONE");
2615 BIO_printf(bio, "Expansion: %s\n",
2616 expansion ? SSL_COMP_get_name(expansion) : "NONE");
2621 /* Print out local port of connection: useful for debugging */
2623 union BIO_sock_info_u info;
2625 sock = SSL_get_fd(s);
2626 if ((info.addr = BIO_ADDR_new()) != NULL
2627 && BIO_sock_info(sock, BIO_SOCK_INFO_ADDRESS, &info)) {
2628 BIO_printf(bio_c_out, "LOCAL PORT is %u\n",
2629 ntohs(BIO_ADDR_rawport(info.addr)));
2631 BIO_ADDR_free(info.addr);
2635 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2636 if (next_proto.status != -1) {
2637 const unsigned char *proto;
2638 unsigned int proto_len;
2639 SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
2640 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
2641 BIO_write(bio, proto, proto_len);
2642 BIO_write(bio, "\n", 1);
2646 const unsigned char *proto;
2647 unsigned int proto_len;
2648 SSL_get0_alpn_selected(s, &proto, &proto_len);
2649 if (proto_len > 0) {
2650 BIO_printf(bio, "ALPN protocol: ");
2651 BIO_write(bio, proto, proto_len);
2652 BIO_write(bio, "\n", 1);
2654 BIO_printf(bio, "No ALPN negotiated\n");
2657 #ifndef OPENSSL_NO_SRTP
2659 SRTP_PROTECTION_PROFILE *srtp_profile =
2660 SSL_get_selected_srtp_profile(s);
2663 BIO_printf(bio, "SRTP Extension negotiated, profile=%s\n",
2664 srtp_profile->name);
2668 SSL_SESSION_print(bio, SSL_get_session(s));
2669 if (SSL_get_session(s) != NULL && keymatexportlabel != NULL) {
2670 BIO_printf(bio, "Keying material exporter:\n");
2671 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel);
2672 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen);
2673 exportedkeymat = app_malloc(keymatexportlen, "export key");
2674 if (!SSL_export_keying_material(s, exportedkeymat,
2677 strlen(keymatexportlabel),
2679 BIO_printf(bio, " Error\n");
2681 BIO_printf(bio, " Keying material: ");
2682 for (i = 0; i < keymatexportlen; i++)
2683 BIO_printf(bio, "%02X", exportedkeymat[i]);
2684 BIO_printf(bio, "\n");
2686 OPENSSL_free(exportedkeymat);
2688 BIO_printf(bio, "---\n");
2690 /* flush, or debugging output gets mixed with http response */
2691 (void)BIO_flush(bio);
2694 # ifndef OPENSSL_NO_OCSP
2695 static int ocsp_resp_cb(SSL *s, void *arg)
2697 const unsigned char *p;
2700 len = SSL_get_tlsext_status_ocsp_resp(s, &p);
2701 BIO_puts(arg, "OCSP response: ");
2703 BIO_puts(arg, "no response sent\n");
2706 rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
2708 BIO_puts(arg, "response parse error\n");
2709 BIO_dump_indent(arg, (char *)p, len, 4);
2712 BIO_puts(arg, "\n======================================\n");
2713 OCSP_RESPONSE_print(arg, rsp, 0);
2714 BIO_puts(arg, "======================================\n");
2715 OCSP_RESPONSE_free(rsp);
2720 #endif /* OPENSSL_NO_SOCK */