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
86 extern int verify_depth;
87 extern int verify_error;
88 extern int verify_return_error;
89 extern int verify_quiet;
93 static unsigned int split_send_fragment = 0;
94 static unsigned int max_pipelines = 0;
95 static int c_nbio = 0;
96 static int c_tlsextdebug = 0;
97 static int c_status_req = 0;
98 static int c_debug = 0;
100 static int c_showcerts = 0;
101 static char *keymatexportlabel = NULL;
102 static int keymatexportlen = 20;
103 static BIO *bio_c_out = NULL;
104 static BIO *bio_c_msg = NULL;
105 static int c_quiet = 0;
106 static int c_ign_eof = 0;
107 static int c_brief = 0;
109 static void print_stuff(BIO *berr, SSL *con, int full);
110 #ifndef OPENSSL_NO_OCSP
111 static int ocsp_resp_cb(SSL *s, void *arg);
114 static int saved_errno;
116 static void save_errno(void)
122 static int restore_errno(void)
129 static void do_ssl_shutdown(SSL *ssl)
134 /* We only do unidirectional shutdown */
135 ret = SSL_shutdown(ssl);
137 switch (SSL_get_error(ssl, ret)) {
138 case SSL_ERROR_WANT_READ:
139 case SSL_ERROR_WANT_WRITE:
140 case SSL_ERROR_WANT_ASYNC:
141 case SSL_ERROR_WANT_ASYNC_JOB:
142 /* We just do busy waiting. Nothing clever */
151 #ifndef OPENSSL_NO_PSK
152 /* Default PSK identity and key */
153 static char *psk_identity = "Client_identity";
155 * char *psk_key=NULL; by default PSK is not used
158 static unsigned int psk_client_cb(SSL *ssl, const char *hint, char *identity,
159 unsigned int max_identity_len,
161 unsigned int max_psk_len)
163 unsigned int psk_len = 0;
168 BIO_printf(bio_c_out, "psk_client_cb\n");
170 /* no ServerKeyExchange message */
172 BIO_printf(bio_c_out,
173 "NULL received PSK identity hint, continuing anyway\n");
175 BIO_printf(bio_c_out, "Received PSK identity hint '%s'\n", hint);
178 * lookup PSK identity and PSK key based on the given identity hint here
180 ret = BIO_snprintf(identity, max_identity_len, "%s", psk_identity);
181 if (ret < 0 || (unsigned int)ret > max_identity_len)
184 BIO_printf(bio_c_out, "created identity '%s' len=%d\n", identity,
186 ret = BN_hex2bn(&bn, psk_key);
188 BIO_printf(bio_err, "Could not convert PSK key '%s' to BIGNUM\n",
194 if ((unsigned int)BN_num_bytes(bn) > max_psk_len) {
196 "psk buffer of callback is too small (%d) for key (%d)\n",
197 max_psk_len, BN_num_bytes(bn));
202 psk_len = BN_bn2bin(bn, psk);
208 BIO_printf(bio_c_out, "created PSK len=%d\n", psk_len);
213 BIO_printf(bio_err, "Error in PSK client callback\n");
218 /* This is a context that we pass to callbacks */
219 typedef struct tlsextctx_st {
224 static int ssl_servername_cb(SSL *s, int *ad, void *arg)
226 tlsextctx *p = (tlsextctx *) arg;
227 const char *hn = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
228 if (SSL_get_servername_type(s) != -1)
229 p->ack = !SSL_session_reused(s) && hn != NULL;
231 BIO_printf(bio_err, "Can't use SSL_get_servername\n");
233 return SSL_TLSEXT_ERR_OK;
236 #ifndef OPENSSL_NO_SRP
238 /* This is a context that we pass to all callbacks */
239 typedef struct srp_arg_st {
242 int msg; /* copy from c_msg */
243 int debug; /* copy from c_debug */
244 int amp; /* allow more groups */
245 int strength /* minimal size for N */ ;
248 # define SRP_NUMBER_ITERATIONS_FOR_PRIME 64
250 static int srp_Verify_N_and_g(const BIGNUM *N, const BIGNUM *g)
252 BN_CTX *bn_ctx = BN_CTX_new();
253 BIGNUM *p = BN_new();
254 BIGNUM *r = BN_new();
256 g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) &&
257 BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
258 p != NULL && BN_rshift1(p, N) &&
260 BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
262 /* verify g^((N-1)/2) == -1 (mod N) */
263 BN_mod_exp(r, g, p, N, bn_ctx) &&
264 BN_add_word(r, 1) && BN_cmp(r, N) == 0;
273 * This callback is used here for two purposes:
274 * - extended debugging
275 * - making some primality tests for unknown groups
276 * The callback is only called for a non default group.
278 * An application does not need the call back at all if
279 * only the stanard groups are used. In real life situations,
280 * client and server already share well known groups,
281 * thus there is no need to verify them.
282 * Furthermore, in case that a server actually proposes a group that
283 * is not one of those defined in RFC 5054, it is more appropriate
284 * to add the group to a static list and then compare since
285 * primality tests are rather cpu consuming.
288 static int ssl_srp_verify_param_cb(SSL *s, void *arg)
290 SRP_ARG *srp_arg = (SRP_ARG *)arg;
291 BIGNUM *N = NULL, *g = NULL;
293 if (((N = SSL_get_srp_N(s)) == NULL) || ((g = SSL_get_srp_g(s)) == NULL))
295 if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1) {
296 BIO_printf(bio_err, "SRP parameters:\n");
297 BIO_printf(bio_err, "\tN=");
298 BN_print(bio_err, N);
299 BIO_printf(bio_err, "\n\tg=");
300 BN_print(bio_err, g);
301 BIO_printf(bio_err, "\n");
304 if (SRP_check_known_gN_param(g, N))
307 if (srp_arg->amp == 1) {
310 "SRP param N and g are not known params, going to check deeper.\n");
313 * The srp_moregroups is a real debugging feature. Implementors
314 * should rather add the value to the known ones. The minimal size
315 * has already been tested.
317 if (BN_num_bits(g) <= BN_BITS && srp_Verify_N_and_g(N, g))
320 BIO_printf(bio_err, "SRP param N and g rejected.\n");
324 # define PWD_STRLEN 1024
326 static char *ssl_give_srp_client_pwd_cb(SSL *s, void *arg)
328 SRP_ARG *srp_arg = (SRP_ARG *)arg;
329 char *pass = app_malloc(PWD_STRLEN + 1, "SRP password buffer");
333 cb_tmp.password = (char *)srp_arg->srppassin;
334 cb_tmp.prompt_info = "SRP user";
335 if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp)) < 0) {
336 BIO_printf(bio_err, "Can't read Password\n");
347 static char *srtp_profiles = NULL;
349 #ifndef OPENSSL_NO_NEXTPROTONEG
350 /* This the context that we pass to next_proto_cb */
351 typedef struct tlsextnextprotoctx_st {
355 } tlsextnextprotoctx;
357 static tlsextnextprotoctx next_proto;
359 static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen,
360 const unsigned char *in, unsigned int inlen,
363 tlsextnextprotoctx *ctx = arg;
366 /* We can assume that |in| is syntactically valid. */
368 BIO_printf(bio_c_out, "Protocols advertised by server: ");
369 for (i = 0; i < inlen;) {
371 BIO_write(bio_c_out, ", ", 2);
372 BIO_write(bio_c_out, &in[i + 1], in[i]);
375 BIO_write(bio_c_out, "\n", 1);
379 SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len);
380 return SSL_TLSEXT_ERR_OK;
382 #endif /* ndef OPENSSL_NO_NEXTPROTONEG */
384 static int serverinfo_cli_parse_cb(SSL *s, unsigned int ext_type,
385 const unsigned char *in, size_t inlen,
389 unsigned char ext_buf[4 + 65536];
391 /* Reconstruct the type/len fields prior to extension data */
392 ext_buf[0] = ext_type >> 8;
393 ext_buf[1] = ext_type & 0xFF;
394 ext_buf[2] = inlen >> 8;
395 ext_buf[3] = inlen & 0xFF;
396 memcpy(ext_buf + 4, in, inlen);
398 BIO_snprintf(pem_name, sizeof(pem_name), "SERVERINFO FOR EXTENSION %d",
400 PEM_write_bio(bio_c_out, pem_name, "", ext_buf, 4 + inlen);
405 * Hex decoder that tolerates optional whitespace. Returns number of bytes
406 * produced, advances inptr to end of input string.
408 static ossl_ssize_t hexdecode(const char **inptr, void *result)
410 unsigned char **out = (unsigned char **)result;
411 const char *in = *inptr;
412 unsigned char *ret = app_malloc(strlen(in)/2, "hexdecode");
413 unsigned char *cp = ret;
420 for (byte = 0; *in; ++in) {
423 if (isspace(_UC(*in)))
425 x = OPENSSL_hexchar2int(*in);
431 if ((nibble ^= 1) == 0) {
444 return cp - (*out = ret);
448 * Decode unsigned 0..255, returns 1 on success, <= 0 on failure. Advances
449 * inptr to next field skipping leading whitespace.
451 static ossl_ssize_t checked_uint8(const char **inptr, void *out)
453 uint8_t *result = (uint8_t *)out;
454 const char *in = *inptr;
460 v = strtol(in, &endp, 10);
463 if (((v == LONG_MIN || v == LONG_MAX) && e == ERANGE) ||
464 endp == in || !isspace(_UC(*endp)) ||
465 v != (*result = (uint8_t) v)) {
468 for (in = endp; isspace(_UC(*in)); ++in)
478 ossl_ssize_t (*parser)(const char **, void *);
481 static int tlsa_import_rr(SSL *con, const char *rrdata)
483 /* Not necessary to re-init these values; the "parsers" do that. */
484 static uint8_t usage;
485 static uint8_t selector;
486 static uint8_t mtype;
487 static unsigned char *data;
488 static struct tlsa_field tlsa_fields[] = {
489 { &usage, "usage", checked_uint8 },
490 { &selector, "selector", checked_uint8 },
491 { &mtype, "mtype", checked_uint8 },
492 { &data, "data", hexdecode },
495 struct tlsa_field *f;
497 const char *cp = rrdata;
498 ossl_ssize_t len = 0;
500 for (f = tlsa_fields; f->var; ++f) {
501 /* Returns number of bytes produced, advances cp to next field */
502 if ((len = f->parser(&cp, f->var)) <= 0) {
503 BIO_printf(bio_err, "%s: warning: bad TLSA %s field in: %s\n",
504 prog, f->name, rrdata);
508 /* The data field is last, so len is its length */
509 ret = SSL_dane_tlsa_add(con, usage, selector, mtype, data, len);
513 ERR_print_errors(bio_err);
514 BIO_printf(bio_err, "%s: warning: unusable TLSA rrdata: %s\n",
519 ERR_print_errors(bio_err);
520 BIO_printf(bio_err, "%s: warning: error loading TLSA rrdata: %s\n",
527 static int tlsa_import_rrset(SSL *con, STACK_OF(OPENSSL_STRING) *rrset)
529 int num = sk_OPENSSL_STRING_num(rrset);
533 for (i = 0; i < num; ++i) {
534 char *rrdata = sk_OPENSSL_STRING_value(rrset, i);
535 if (tlsa_import_rr(con, rrdata) > 0)
541 typedef enum OPTION_choice {
542 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
543 OPT_4, OPT_6, OPT_HOST, OPT_PORT, OPT_CONNECT, OPT_UNIX,
544 OPT_XMPPHOST, OPT_VERIFY,
545 OPT_CERT, OPT_CRL, OPT_CRL_DOWNLOAD, OPT_SESS_OUT, OPT_SESS_IN,
546 OPT_CERTFORM, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET,
547 OPT_BRIEF, OPT_PREXIT, OPT_CRLF, OPT_QUIET, OPT_NBIO,
548 OPT_SSL_CLIENT_ENGINE, OPT_RAND, OPT_IGN_EOF, OPT_NO_IGN_EOF,
549 OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_WDEBUG,
550 OPT_MSG, OPT_MSGFILE, OPT_ENGINE, OPT_TRACE, OPT_SECURITY_DEBUG,
551 OPT_SECURITY_DEBUG_VERBOSE, OPT_SHOWCERTS, OPT_NBIO_TEST, OPT_STATE,
552 OPT_PSK_IDENTITY, OPT_PSK, OPT_SRPUSER, OPT_SRPPASS, OPT_SRP_STRENGTH,
553 OPT_SRP_LATEUSER, OPT_SRP_MOREGROUPS, OPT_SSL3, OPT_SSL_CONFIG,
554 OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1,
555 OPT_DTLS1_2, OPT_TIMEOUT, OPT_MTU, OPT_KEYFORM, OPT_PASS,
556 OPT_CERT_CHAIN, OPT_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH,
557 OPT_KEY, OPT_RECONNECT, OPT_BUILD_CHAIN, OPT_CAFILE, OPT_NOCAFILE,
558 OPT_CHAINCAFILE, OPT_VERIFYCAFILE, OPT_NEXTPROTONEG, OPT_ALPN,
559 OPT_SERVERINFO, OPT_STARTTLS, OPT_SERVERNAME,
560 OPT_USE_SRTP, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN, OPT_SMTPHOST,
561 OPT_ASYNC, OPT_SPLIT_SEND_FRAG, OPT_MAX_PIPELINES, OPT_READ_BUF,
565 OPT_FALLBACKSCSV, OPT_NOCMDS, OPT_PROXY, OPT_DANE_TLSA_DOMAIN,
566 #ifndef OPENSSL_NO_CT
567 OPT_CT, OPT_NOCT, OPT_CTLOG_FILE,
572 OPTIONS s_client_options[] = {
573 {"help", OPT_HELP, '-', "Display this summary"},
574 {"host", OPT_HOST, 's', "Use -connect instead"},
575 {"port", OPT_PORT, 'p', "Use -connect instead"},
576 {"connect", OPT_CONNECT, 's',
577 "TCP/IP where to connect (default is :" PORT ")"},
578 {"proxy", OPT_PROXY, 's',
579 "Connect to via specified proxy to the real server"},
581 {"unix", OPT_UNIX, 's', "Connect over unix domain sockets"},
583 {"4", OPT_4, '-', "Use IPv4 only"},
584 {"6", OPT_6, '-', "Use IPv6 only"},
585 {"verify", OPT_VERIFY, 'p', "Turn on peer certificate verification"},
586 {"cert", OPT_CERT, '<', "Certificate file to use, PEM format assumed"},
587 {"certform", OPT_CERTFORM, 'F',
588 "Certificate format (PEM or DER) PEM default"},
589 {"key", OPT_KEY, '<', "Private key file to use, if not in -cert file"},
590 {"keyform", OPT_KEYFORM, 'F', "Key format (PEM or DER) PEM default"},
591 {"pass", OPT_PASS, 's', "Private key file pass phrase source"},
592 {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
593 {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
594 {"no-CAfile", OPT_NOCAFILE, '-',
595 "Do not load the default certificates file"},
596 {"no-CApath", OPT_NOCAPATH, '-',
597 "Do not load certificates from the default certificates directory"},
598 {"dane_tlsa_domain", OPT_DANE_TLSA_DOMAIN, 's', "DANE TLSA base domain"},
599 {"dane_tlsa_rrdata", OPT_DANE_TLSA_RRDATA, 's',
600 "DANE TLSA rrdata presentation form"},
601 {"reconnect", OPT_RECONNECT, '-',
602 "Drop and re-make the connection with the same Session-ID"},
603 {"showcerts", OPT_SHOWCERTS, '-', "Show all certificates in the chain"},
604 {"debug", OPT_DEBUG, '-', "Extra output"},
605 {"msg", OPT_MSG, '-', "Show protocol messages"},
606 {"msgfile", OPT_MSGFILE, '>',
607 "File to send output of -msg or -trace, instead of stdout"},
608 {"nbio_test", OPT_NBIO_TEST, '-', "More ssl protocol testing"},
609 {"state", OPT_STATE, '-', "Print the ssl states"},
610 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"},
611 {"quiet", OPT_QUIET, '-', "No s_client output"},
612 {"ign_eof", OPT_IGN_EOF, '-', "Ignore input eof (default when -quiet)"},
613 {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Don't ignore input eof"},
614 {"starttls", OPT_STARTTLS, 's',
615 "Use the appropriate STARTTLS command before starting TLS"},
616 {"xmpphost", OPT_XMPPHOST, 's',
617 "Host to use with \"-starttls xmpp[-server]\""},
618 {"rand", OPT_RAND, 's',
619 "Load the file(s) into the random number generator"},
620 {"sess_out", OPT_SESS_OUT, '>', "File to write SSL session to"},
621 {"sess_in", OPT_SESS_IN, '<', "File to read SSL session from"},
622 {"use_srtp", OPT_USE_SRTP, 's',
623 "Offer SRTP key management with a colon-separated profile list"},
624 {"keymatexport", OPT_KEYMATEXPORT, 's',
625 "Export keying material using label"},
626 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
627 "Export len bytes of keying material (default 20)"},
628 {"fallback_scsv", OPT_FALLBACKSCSV, '-', "Send the fallback SCSV"},
629 {"name", OPT_SMTPHOST, 's', "Hostname to use for \"-starttls smtp\""},
630 {"CRL", OPT_CRL, '<', "CRL file to use"},
631 {"crl_download", OPT_CRL_DOWNLOAD, '-', "Download CRL from distribution points"},
632 {"CRLform", OPT_CRLFORM, 'F', "CRL format (PEM or DER) PEM is default"},
633 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-',
634 "Close connection on verification error"},
635 {"verify_quiet", OPT_VERIFY_QUIET, '-', "Restrict verify output to errors"},
636 {"brief", OPT_BRIEF, '-',
637 "Restrict output to brief summary of connection parameters"},
638 {"prexit", OPT_PREXIT, '-',
639 "Print session information when the program exits"},
640 {"security_debug", OPT_SECURITY_DEBUG, '-',
641 "Enable security debug messages"},
642 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-',
643 "Output more security debug output"},
644 {"cert_chain", OPT_CERT_CHAIN, '<',
645 "Certificate chain file (in PEM format)"},
646 {"chainCApath", OPT_CHAINCAPATH, '/',
647 "Use dir as certificate store path to build CA certificate chain"},
648 {"verifyCApath", OPT_VERIFYCAPATH, '/',
649 "Use dir as certificate store path to verify CA certificate"},
650 {"build_chain", OPT_BUILD_CHAIN, '-', "Build certificate chain"},
651 {"chainCAfile", OPT_CHAINCAFILE, '<',
652 "CA file for certificate chain (PEM format)"},
653 {"verifyCAfile", OPT_VERIFYCAFILE, '<',
654 "CA file for certificate verification (PEM format)"},
655 {"nocommands", OPT_NOCMDS, '-', "Do not use interactive command letters"},
656 {"servername", OPT_SERVERNAME, 's',
657 "Set TLS extension servername in ClientHello"},
658 {"tlsextdebug", OPT_TLSEXTDEBUG, '-',
659 "Hex dump of all TLS extensions received"},
660 #ifndef OPENSSL_NO_OCSP
661 {"status", OPT_STATUS, '-', "Request certificate status from server"},
663 {"serverinfo", OPT_SERVERINFO, 's',
664 "types Send empty ClientHello extensions (comma-separated numbers)"},
665 {"alpn", OPT_ALPN, 's',
666 "Enable ALPN extension, considering named protocols supported (comma-separated list)"},
667 {"async", OPT_ASYNC, '-', "Support asynchronous operation"},
668 {"ssl_config", OPT_SSL_CONFIG, 's', "Use specified configuration file"},
669 {"split_send_frag", OPT_SPLIT_SEND_FRAG, 'n',
670 "Size used to split data for encrypt pipelines"},
671 {"max_pipelines", OPT_MAX_PIPELINES, 'n',
672 "Maximum number of encrypt/decrypt pipelines to be used"},
673 {"read_buf", OPT_READ_BUF, 'n',
674 "Default read buffer size to be used for connections"},
678 #ifndef OPENSSL_NO_SSL3
679 {"ssl3", OPT_SSL3, '-', "Just use SSLv3"},
681 #ifndef OPENSSL_NO_TLS1
682 {"tls1", OPT_TLS1, '-', "Just use TLSv1"},
684 #ifndef OPENSSL_NO_TLS1_1
685 {"tls1_1", OPT_TLS1_1, '-', "Just use TLSv1.1"},
687 #ifndef OPENSSL_NO_TLS1_2
688 {"tls1_2", OPT_TLS1_2, '-', "Just use TLSv1.2"},
690 #ifndef OPENSSL_NO_DTLS
691 {"dtls", OPT_DTLS, '-', "Use any version of DTLS"},
692 {"timeout", OPT_TIMEOUT, '-',
693 "Enable send/receive timeout on DTLS connections"},
694 {"mtu", OPT_MTU, 'p', "Set the link layer MTU"},
696 #ifndef OPENSSL_NO_DTLS1
697 {"dtls1", OPT_DTLS1, '-', "Just use DTLSv1"},
699 #ifndef OPENSSL_NO_DTLS1_2
700 {"dtls1_2", OPT_DTLS1_2, '-', "Just use DTLSv1.2"},
702 #ifndef OPENSSL_NO_SSL_TRACE
703 {"trace", OPT_TRACE, '-', "Show trace output of protocol messages"},
706 {"wdebug", OPT_WDEBUG, '-', "WATT-32 tcp debugging"},
708 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"},
709 #ifndef OPENSSL_NO_PSK
710 {"psk_identity", OPT_PSK_IDENTITY, 's', "PSK identity"},
711 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"},
713 #ifndef OPENSSL_NO_SRP
714 {"srpuser", OPT_SRPUSER, 's', "SRP authentification for 'user'"},
715 {"srppass", OPT_SRPPASS, 's', "Password for 'user'"},
716 {"srp_lateuser", OPT_SRP_LATEUSER, '-',
717 "SRP username into second ClientHello message"},
718 {"srp_moregroups", OPT_SRP_MOREGROUPS, '-',
719 "Tolerate other than the known g N values."},
720 {"srp_strength", OPT_SRP_STRENGTH, 'p', "Minimal length in bits for N"},
722 #ifndef OPENSSL_NO_NEXTPROTONEG
723 {"nextprotoneg", OPT_NEXTPROTONEG, 's',
724 "Enable NPN extension, considering named protocols supported (comma-separated list)"},
726 #ifndef OPENSSL_NO_ENGINE
727 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
728 {"ssl_client_engine", OPT_SSL_CLIENT_ENGINE, 's',
729 "Specify engine to be used for client certificate operations"},
731 #ifndef OPENSSL_NO_CT
732 {"ct", OPT_CT, '-', "Request and parse SCTs (also enables OCSP stapling)"},
733 {"noct", OPT_NOCT, '-', "Do not request or parse SCTs (default)"},
734 {"ctlogfile", OPT_CTLOG_FILE, '<', "CT log list CONF file"},
739 typedef enum PROTOCOL_choice {
752 static OPT_PAIR services[] = {
753 {"smtp", PROTO_SMTP},
754 {"pop3", PROTO_POP3},
755 {"imap", PROTO_IMAP},
757 {"xmpp", PROTO_XMPP},
758 {"xmpp-server", PROTO_XMPP_SERVER},
759 {"telnet", PROTO_TELNET},
764 int s_client_main(int argc, char **argv)
767 EVP_PKEY *key = NULL;
770 STACK_OF(X509) *chain = NULL;
772 X509_VERIFY_PARAM *vpm = NULL;
773 SSL_EXCERT *exc = NULL;
774 SSL_CONF_CTX *cctx = NULL;
775 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
776 char *dane_tlsa_domain = NULL;
777 STACK_OF(OPENSSL_STRING) *dane_tlsa_rrset = NULL;
778 STACK_OF(X509_CRL) *crls = NULL;
779 const SSL_METHOD *meth = TLS_client_method();
780 char *CApath = NULL, *CAfile = NULL, *cbuf = NULL, *sbuf = NULL;
781 char *mbuf = NULL, *proxystr = NULL, *connectstr = NULL;
782 char *cert_file = NULL, *key_file = NULL, *chain_file = NULL;
783 char *chCApath = NULL, *chCAfile = NULL, *host = NULL;
784 char *port = BUF_strdup(PORT);
786 char *passarg = NULL, *pass = NULL, *vfyCApath = NULL, *vfyCAfile = NULL;
787 char *sess_in = NULL, *sess_out = NULL, *crl_file = NULL, *p;
788 char *xmpphost = NULL;
789 const char *ehlo = "mail.example.com";
790 struct timeval timeout, *timeoutp;
791 fd_set readfds, writefds;
792 int noCApath = 0, noCAfile = 0;
793 int build_chain = 0, cbuf_len, cbuf_off, cert_format = FORMAT_PEM;
794 int key_format = FORMAT_PEM, crlf = 0, full_log = 1, mbuf_len = 0;
797 int reconnect = 0, verify = SSL_VERIFY_NONE, vpmtouched = 0;
798 int ret = 1, in_init = 1, i, nbio_test = 0, s = -1, k, width, state = 0;
799 int sbuf_len, sbuf_off, cmdletters = 1;
800 int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM;
801 int starttls_proto = PROTO_OFF, crl_format = FORMAT_PEM, crl_download = 0;
802 int write_tty, read_tty, write_ssl, read_ssl, tty_on, ssl_pending;
803 int read_buf_len = 0;
804 int fallback_scsv = 0;
807 #ifndef OPENSSL_NO_DTLS
808 int enable_timeouts = 0;
811 #ifndef OPENSSL_NO_ENGINE
812 ENGINE *ssl_client_engine = NULL;
815 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
818 char *servername = NULL;
819 const char *alpn_in = NULL;
820 tlsextctx tlsextcbp = { NULL, 0 };
821 const char *ssl_config = NULL;
822 #define MAX_SI_TYPES 100
823 unsigned short serverinfo_types[MAX_SI_TYPES];
824 int serverinfo_count = 0, start = 0, len;
825 #ifndef OPENSSL_NO_NEXTPROTONEG
826 const char *next_proto_neg_in = NULL;
828 #ifndef OPENSSL_NO_SRP
829 char *srppass = NULL;
830 int srp_lateuser = 0;
831 SRP_ARG srp_arg = { NULL, NULL, 0, 0, 0, 1024 };
833 #ifndef OPENSSL_NO_CT
834 char *ctlog_file = NULL;
835 int ct_validation = 0;
837 int min_version = 0, max_version = 0;
841 /* Known false-positive of MemorySanitizer. */
842 #if defined(__has_feature)
843 # if __has_feature(memory_sanitizer)
844 __msan_unpoison(&readfds, sizeof(readfds));
845 __msan_unpoison(&writefds, sizeof(writefds));
849 prog = opt_progname(argv[0]);
857 verify_error = X509_V_OK;
858 vpm = X509_VERIFY_PARAM_new();
859 cbuf = app_malloc(BUFSIZZ, "cbuf");
860 sbuf = app_malloc(BUFSIZZ, "sbuf");
861 mbuf = app_malloc(BUFSIZZ, "mbuf");
862 cctx = SSL_CONF_CTX_new();
864 if (vpm == NULL || cctx == NULL) {
865 BIO_printf(bio_err, "%s: out of memory\n", prog);
869 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT | SSL_CONF_FLAG_CMDLINE);
871 prog = opt_init(argc, argv, s_client_options);
872 while ((o = opt_next()) != OPT_EOF) {
877 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
880 opt_help(s_client_options);
885 if (socket_family == AF_UNIX) {
886 OPENSSL_free(host); host = NULL;
887 OPENSSL_free(port); port = NULL;
890 socket_family = AF_INET;
896 if (socket_family == AF_UNIX) {
897 OPENSSL_free(host); host = NULL;
898 OPENSSL_free(port); port = NULL;
901 socket_family = AF_INET6;
904 BIO_printf(bio_err, "%s: IPv6 domain sockets unsupported\n", prog);
910 if (socket_family == AF_UNIX) {
911 OPENSSL_free(host); host = NULL;
912 OPENSSL_free(port); port = NULL;
913 socket_family = AF_UNSPEC;
916 OPENSSL_free(host); host = BUF_strdup(opt_arg());
920 if (socket_family == AF_UNIX) {
921 OPENSSL_free(host); host = NULL;
922 OPENSSL_free(port); port = NULL;
923 socket_family = AF_UNSPEC;
926 OPENSSL_free(port); port = BUF_strdup(opt_arg());
930 if (socket_family == AF_UNIX) {
931 socket_family = AF_UNSPEC;
934 OPENSSL_free(host); host = NULL;
935 OPENSSL_free(port); port = NULL;
936 connectstr = opt_arg();
939 proxystr = opt_arg();
940 starttls_proto = PROTO_CONNECT;
944 socket_family = AF_UNIX;
945 OPENSSL_free(host); host = BUF_strdup(opt_arg());
946 OPENSSL_free(port); port = NULL;
950 xmpphost = opt_arg();
956 verify = SSL_VERIFY_PEER;
957 verify_depth = atoi(opt_arg());
959 BIO_printf(bio_err, "verify depth is %d\n", verify_depth);
962 cert_file = opt_arg();
965 crl_file = opt_arg();
967 case OPT_CRL_DOWNLOAD:
971 sess_out = opt_arg();
977 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &cert_format))
981 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
984 case OPT_VERIFY_RET_ERROR:
985 verify_return_error = 1;
987 case OPT_VERIFY_QUIET:
991 c_brief = verify_quiet = c_quiet = 1;
994 if (ssl_args == NULL)
995 ssl_args = sk_OPENSSL_STRING_new_null();
997 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
998 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
999 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1004 if (!opt_verify(o, vpm))
1009 if (!args_excert(o, &exc))
1019 c_quiet = c_ign_eof = 1;
1028 e = setup_engine(opt_arg(), 1);
1030 case OPT_SSL_CLIENT_ENGINE:
1031 #ifndef OPENSSL_NO_ENGINE
1032 ssl_client_engine = ENGINE_by_id(opt_arg());
1033 if (ssl_client_engine == NULL) {
1034 BIO_printf(bio_err, "Error getting client auth engine\n");
1046 case OPT_NO_IGN_EOF:
1052 case OPT_TLSEXTDEBUG:
1067 bio_c_msg = BIO_new_file(opt_arg(), "w");
1070 #ifndef OPENSSL_NO_SSL_TRACE
1074 case OPT_SECURITY_DEBUG:
1077 case OPT_SECURITY_DEBUG_VERBOSE:
1089 #ifndef OPENSSL_NO_PSK
1090 case OPT_PSK_IDENTITY:
1091 psk_identity = opt_arg();
1094 for (p = psk_key = opt_arg(); *p; p++) {
1095 if (isxdigit(_UC(*p)))
1097 BIO_printf(bio_err, "Not a hex number '%s'\n", psk_key);
1102 case OPT_PSK_IDENTITY:
1106 #ifndef OPENSSL_NO_SRP
1108 srp_arg.srplogin = opt_arg();
1109 if (min_version < TLS1_VERSION)
1110 min_version = TLS1_VERSION;
1113 srppass = opt_arg();
1114 if (min_version < TLS1_VERSION)
1115 min_version = TLS1_VERSION;
1117 case OPT_SRP_STRENGTH:
1118 srp_arg.strength = atoi(opt_arg());
1119 BIO_printf(bio_err, "SRP minimal length for N is %d\n",
1121 if (min_version < TLS1_VERSION)
1122 min_version = TLS1_VERSION;
1124 case OPT_SRP_LATEUSER:
1126 if (min_version < TLS1_VERSION)
1127 min_version = TLS1_VERSION;
1129 case OPT_SRP_MOREGROUPS:
1131 if (min_version < TLS1_VERSION)
1132 min_version = TLS1_VERSION;
1137 case OPT_SRP_STRENGTH:
1138 case OPT_SRP_LATEUSER:
1139 case OPT_SRP_MOREGROUPS:
1142 case OPT_SSL_CONFIG:
1143 ssl_config = opt_arg();
1146 min_version = SSL3_VERSION;
1147 max_version = SSL3_VERSION;
1150 min_version = TLS1_2_VERSION;
1151 max_version = TLS1_2_VERSION;
1154 min_version = TLS1_1_VERSION;
1155 max_version = TLS1_1_VERSION;
1158 min_version = TLS1_VERSION;
1159 max_version = TLS1_VERSION;
1162 #ifndef OPENSSL_NO_DTLS
1163 meth = DTLS_client_method();
1164 socket_type = SOCK_DGRAM;
1168 #ifndef OPENSSL_NO_DTLS1
1169 meth = DTLS_client_method();
1170 min_version = DTLS1_VERSION;
1171 max_version = DTLS1_VERSION;
1172 socket_type = SOCK_DGRAM;
1176 #ifndef OPENSSL_NO_DTLS1_2
1177 meth = DTLS_client_method();
1178 min_version = DTLS1_2_VERSION;
1179 max_version = DTLS1_2_VERSION;
1180 socket_type = SOCK_DGRAM;
1184 #ifndef OPENSSL_NO_DTLS
1185 enable_timeouts = 1;
1189 #ifndef OPENSSL_NO_DTLS
1190 socket_mtu = atol(opt_arg());
1193 case OPT_FALLBACKSCSV:
1197 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &key_format))
1201 passarg = opt_arg();
1203 case OPT_CERT_CHAIN:
1204 chain_file = opt_arg();
1207 key_file = opt_arg();
1218 case OPT_CHAINCAPATH:
1219 chCApath = opt_arg();
1221 case OPT_VERIFYCAPATH:
1222 vfyCApath = opt_arg();
1224 case OPT_BUILD_CHAIN:
1233 #ifndef OPENSSL_NO_CT
1240 case OPT_CTLOG_FILE:
1241 ctlog_file = opt_arg();
1244 case OPT_CHAINCAFILE:
1245 chCAfile = opt_arg();
1247 case OPT_VERIFYCAFILE:
1248 vfyCAfile = opt_arg();
1250 case OPT_DANE_TLSA_DOMAIN:
1251 dane_tlsa_domain = opt_arg();
1253 case OPT_DANE_TLSA_RRDATA:
1254 if (dane_tlsa_rrset == NULL)
1255 dane_tlsa_rrset = sk_OPENSSL_STRING_new_null();
1256 if (dane_tlsa_rrset == NULL ||
1257 !sk_OPENSSL_STRING_push(dane_tlsa_rrset, opt_arg())) {
1258 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1262 case OPT_NEXTPROTONEG:
1263 #ifndef OPENSSL_NO_NEXTPROTONEG
1264 next_proto_neg_in = opt_arg();
1268 alpn_in = opt_arg();
1270 case OPT_SERVERINFO:
1273 for (start = 0, i = 0; i <= len; ++i) {
1274 if (i == len || p[i] == ',') {
1275 serverinfo_types[serverinfo_count] = atoi(p + start);
1276 if (++serverinfo_count == MAX_SI_TYPES)
1283 if (!opt_pair(opt_arg(), services, &starttls_proto))
1286 case OPT_SERVERNAME:
1287 servername = opt_arg();
1290 srtp_profiles = opt_arg();
1292 case OPT_KEYMATEXPORT:
1293 keymatexportlabel = opt_arg();
1295 case OPT_KEYMATEXPORTLEN:
1296 keymatexportlen = atoi(opt_arg());
1301 case OPT_SPLIT_SEND_FRAG:
1302 split_send_fragment = atoi(opt_arg());
1303 if (split_send_fragment == 0) {
1305 * Not allowed - set to a deliberately bad value so we get an
1306 * error message below
1308 split_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH + 1;
1311 case OPT_MAX_PIPELINES:
1312 max_pipelines = atoi(opt_arg());
1315 read_buf_len = atoi(opt_arg());
1319 argc = opt_num_rest();
1325 char *tmp_host = host, *tmp_port = port;
1326 if (connectstr == NULL) {
1327 BIO_printf(bio_err, "%s: -proxy requires use of -connect\n", prog);
1330 res = BIO_parse_hostserv(proxystr, &host, &port, BIO_PARSE_PRIO_HOST);
1331 if (tmp_host != host)
1332 OPENSSL_free(tmp_host);
1333 if (tmp_port != port)
1334 OPENSSL_free(tmp_port);
1336 BIO_printf(bio_err, "%s: -proxy argument malformed or ambiguous\n",
1342 char *tmp_host = host, *tmp_port = port;
1343 if (connectstr != NULL)
1344 res = BIO_parse_hostserv(connectstr, &host, &port,
1345 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: -connect argument malformed or ambiguous\n",
1358 if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) {
1360 "Can't use unix sockets and datagrams together\n");
1364 if (split_send_fragment > SSL3_RT_MAX_PLAIN_LENGTH) {
1365 BIO_printf(bio_err, "Bad split send fragment size\n");
1369 if (max_pipelines > SSL_MAX_PIPELINES) {
1370 BIO_printf(bio_err, "Bad max pipelines value\n");
1374 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1375 next_proto.status = -1;
1376 if (next_proto_neg_in) {
1378 next_protos_parse(&next_proto.len, next_proto_neg_in);
1379 if (next_proto.data == NULL) {
1380 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n");
1384 next_proto.data = NULL;
1387 if (!app_passwd(passarg, NULL, &pass, NULL)) {
1388 BIO_printf(bio_err, "Error getting password\n");
1392 if (key_file == NULL)
1393 key_file = cert_file;
1396 key = load_key(key_file, key_format, 0, pass, e,
1397 "client certificate private key file");
1399 ERR_print_errors(bio_err);
1405 cert = load_cert(cert_file, cert_format, "client certificate file");
1407 ERR_print_errors(bio_err);
1413 if (!load_certs(chain_file, &chain, FORMAT_PEM, NULL,
1414 "client certificate chain"))
1420 crl = load_crl(crl_file, crl_format);
1422 BIO_puts(bio_err, "Error loading CRL\n");
1423 ERR_print_errors(bio_err);
1426 crls = sk_X509_CRL_new_null();
1427 if (crls == NULL || !sk_X509_CRL_push(crls, crl)) {
1428 BIO_puts(bio_err, "Error adding CRL\n");
1429 ERR_print_errors(bio_err);
1435 if (!load_excert(&exc))
1438 if (!app_RAND_load_file(NULL, 1) && inrand == NULL
1439 && !RAND_status()) {
1441 "warning, not much extra random data, consider using the -rand option\n");
1443 if (inrand != NULL) {
1444 randamt = app_RAND_load_files(inrand);
1445 BIO_printf(bio_err, "%ld semi-random bytes loaded\n", randamt);
1448 if (bio_c_out == NULL) {
1449 if (c_quiet && !c_debug) {
1450 bio_c_out = BIO_new(BIO_s_null());
1451 if (c_msg && !bio_c_msg)
1452 bio_c_msg = dup_bio_out(FORMAT_TEXT);
1453 } else if (bio_c_out == NULL)
1454 bio_c_out = dup_bio_out(FORMAT_TEXT);
1456 #ifndef OPENSSL_NO_SRP
1457 if (!app_passwd(srppass, NULL, &srp_arg.srppassin, NULL)) {
1458 BIO_printf(bio_err, "Error getting password\n");
1463 ctx = SSL_CTX_new(meth);
1465 ERR_print_errors(bio_err);
1470 ssl_ctx_security_debug(ctx, sdebug);
1473 if (SSL_CTX_config(ctx, ssl_config) == 0) {
1474 BIO_printf(bio_err, "Error using configuration \"%s\"\n",
1476 ERR_print_errors(bio_err);
1481 if (SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
1483 if (SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
1486 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
1487 BIO_printf(bio_err, "Error setting verify params\n");
1488 ERR_print_errors(bio_err);
1493 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
1495 if (split_send_fragment > 0) {
1496 SSL_CTX_set_split_send_fragment(ctx, split_send_fragment);
1498 if (max_pipelines > 0) {
1499 SSL_CTX_set_max_pipelines(ctx, max_pipelines);
1502 if (read_buf_len > 0) {
1503 SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len);
1506 if (!config_ctx(cctx, ssl_args, ctx))
1509 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1510 crls, crl_download)) {
1511 BIO_printf(bio_err, "Error loading store locations\n");
1512 ERR_print_errors(bio_err);
1515 #ifndef OPENSSL_NO_ENGINE
1516 if (ssl_client_engine) {
1517 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine)) {
1518 BIO_puts(bio_err, "Error setting client auth engine\n");
1519 ERR_print_errors(bio_err);
1520 ENGINE_free(ssl_client_engine);
1523 ENGINE_free(ssl_client_engine);
1527 #ifndef OPENSSL_NO_PSK
1528 if (psk_key != NULL) {
1530 BIO_printf(bio_c_out,
1531 "PSK key given, setting client callback\n");
1532 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
1535 #ifndef OPENSSL_NO_SRTP
1536 if (srtp_profiles != NULL) {
1537 /* Returns 0 on success! */
1538 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
1539 BIO_printf(bio_err, "Error setting SRTP profile\n");
1540 ERR_print_errors(bio_err);
1547 ssl_ctx_set_excert(ctx, exc);
1549 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1550 if (next_proto.data)
1551 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
1555 unsigned char *alpn = next_protos_parse(&alpn_len, alpn_in);
1558 BIO_printf(bio_err, "Error parsing -alpn argument\n");
1561 /* Returns 0 on success! */
1562 if (SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len) != 0) {
1563 BIO_printf(bio_err, "Error setting ALPN\n");
1569 for (i = 0; i < serverinfo_count; i++) {
1570 if (!SSL_CTX_add_client_custom_ext(ctx,
1571 serverinfo_types[i],
1573 serverinfo_cli_parse_cb, NULL)) {
1575 "Warning: Unable to add custom extension %u, skipping\n",
1576 serverinfo_types[i]);
1581 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1583 #ifndef OPENSSL_NO_CT
1584 /* Enable SCT processing, without early connection termination */
1585 if (ct_validation &&
1586 !SSL_CTX_enable_ct(ctx, SSL_CT_VALIDATION_PERMISSIVE)) {
1587 ERR_print_errors(bio_err);
1591 if (!ctx_set_ctlog_list_file(ctx, ctlog_file)) {
1592 if (ct_validation) {
1593 ERR_print_errors(bio_err);
1598 * If CT validation is not enabled, the log list isn't needed so don't
1599 * show errors or abort. We try to load it regardless because then we
1600 * can show the names of the logs any SCTs came from (SCTs may be seen
1601 * even with validation disabled).
1607 SSL_CTX_set_verify(ctx, verify, verify_callback);
1609 if (!ctx_set_verify_locations(ctx, CAfile, CApath, noCAfile, noCApath)) {
1610 ERR_print_errors(bio_err);
1614 ssl_ctx_add_crls(ctx, crls, crl_download);
1616 if (!set_cert_key_stuff(ctx, cert, key, chain, build_chain))
1619 if (servername != NULL) {
1620 tlsextcbp.biodebug = bio_err;
1621 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1622 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1624 # ifndef OPENSSL_NO_SRP
1625 if (srp_arg.srplogin) {
1626 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin)) {
1627 BIO_printf(bio_err, "Unable to set SRP username\n");
1630 srp_arg.msg = c_msg;
1631 srp_arg.debug = c_debug;
1632 SSL_CTX_set_srp_cb_arg(ctx, &srp_arg);
1633 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb);
1634 SSL_CTX_set_srp_strength(ctx, srp_arg.strength);
1635 if (c_msg || c_debug || srp_arg.amp == 0)
1636 SSL_CTX_set_srp_verify_param_callback(ctx,
1637 ssl_srp_verify_param_cb);
1641 if (dane_tlsa_domain != NULL) {
1642 if (SSL_CTX_dane_enable(ctx) <= 0) {
1644 "%s: Error enabling DANE TLSA authentication.\n", prog);
1645 ERR_print_errors(bio_err);
1653 BIO *stmp = BIO_new_file(sess_in, "r");
1655 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1656 ERR_print_errors(bio_err);
1659 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1662 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1663 ERR_print_errors(bio_err);
1666 if (!SSL_set_session(con, sess)) {
1667 BIO_printf(bio_err, "Can't set session\n");
1668 ERR_print_errors(bio_err);
1671 SSL_SESSION_free(sess);
1675 SSL_set_mode(con, SSL_MODE_SEND_FALLBACK_SCSV);
1677 if (servername != NULL) {
1678 if (!SSL_set_tlsext_host_name(con, servername)) {
1679 BIO_printf(bio_err, "Unable to set TLS servername extension.\n");
1680 ERR_print_errors(bio_err);
1685 if (dane_tlsa_domain != NULL) {
1686 if (SSL_dane_enable(con, dane_tlsa_domain) <= 0) {
1687 BIO_printf(bio_err, "%s: Error enabling DANE TLSA "
1688 "authentication.\n", prog);
1689 ERR_print_errors(bio_err);
1692 if (dane_tlsa_rrset == NULL) {
1693 BIO_printf(bio_err, "%s: DANE TLSA authentication requires at "
1694 "least one -dane_tlsa_rrset option.\n", prog);
1697 if (tlsa_import_rrset(con, dane_tlsa_rrset) <= 0) {
1698 BIO_printf(bio_err, "%s: Failed to import any TLSA "
1699 "records.\n", prog);
1702 } else if (dane_tlsa_rrset != NULL) {
1703 BIO_printf(bio_err, "%s: DANE TLSA authentication requires the "
1704 "-dane_tlsa_domain option.\n", prog);
1709 if (init_client(&s, host, port, socket_family, socket_type) == 0)
1711 BIO_printf(bio_err, "connect:errno=%d\n", get_last_socket_error());
1715 BIO_printf(bio_c_out, "CONNECTED(%08X)\n", s);
1718 if (!BIO_socket_nbio(s, 1)) {
1719 ERR_print_errors(bio_err);
1722 BIO_printf(bio_c_out, "Turned on non blocking io\n");
1724 #ifndef OPENSSL_NO_DTLS
1725 if (socket_type == SOCK_DGRAM) {
1726 struct sockaddr peer;
1727 int peerlen = sizeof peer;
1729 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
1730 if (getsockname(s, &peer, (void *)&peerlen) < 0) {
1731 BIO_printf(bio_err, "getsockname:errno=%d\n",
1732 get_last_socket_error());
1737 (void)BIO_ctrl_set_connected(sbio, &peer);
1739 if (enable_timeouts) {
1741 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1742 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1745 timeout.tv_usec = DGRAM_SND_TIMEOUT;
1746 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1750 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
1751 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
1752 DTLS_get_link_min_mtu(con));
1756 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1757 if (!DTLS_set_link_mtu(con, socket_mtu)) {
1758 BIO_printf(bio_err, "Failed to set MTU\n");
1763 /* want to do MTU discovery */
1764 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1766 #endif /* OPENSSL_NO_DTLS */
1767 sbio = BIO_new_socket(s, BIO_NOCLOSE);
1772 test = BIO_new(BIO_f_nbio_test());
1773 sbio = BIO_push(test, sbio);
1777 BIO_set_callback(sbio, bio_dump_callback);
1778 BIO_set_callback_arg(sbio, (char *)bio_c_out);
1781 #ifndef OPENSSL_NO_SSL_TRACE
1783 SSL_set_msg_callback(con, SSL_trace);
1786 SSL_set_msg_callback(con, msg_cb);
1787 SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out);
1790 if (c_tlsextdebug) {
1791 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1792 SSL_set_tlsext_debug_arg(con, bio_c_out);
1794 #ifndef OPENSSL_NO_OCSP
1796 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
1797 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
1798 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
1802 SSL_set_bio(con, sbio, sbio);
1803 SSL_set_connect_state(con);
1805 /* ok, lets connect */
1806 width = SSL_get_fd(con) + 1;
1819 switch ((PROTOCOL_CHOICE) starttls_proto) {
1825 * This is an ugly hack that does a lot of assumptions. We do
1826 * have to handle multi-line responses which may come in a single
1827 * packet or not. We therefore have to use BIO_gets() which does
1828 * need a buffering BIO. So during the initial chitchat we do
1829 * push a buffering BIO into the chain that is removed again
1830 * later on to not disturb the rest of the s_client operation.
1833 BIO *fbio = BIO_new(BIO_f_buffer());
1834 BIO_push(fbio, sbio);
1835 /* wait for multi-line response to end from SMTP */
1837 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1839 while (mbuf_len > 3 && mbuf[3] == '-');
1840 BIO_printf(fbio, "EHLO %s\r\n", ehlo);
1841 (void)BIO_flush(fbio);
1842 /* wait for multi-line response to end EHLO SMTP response */
1844 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1845 if (strstr(mbuf, "STARTTLS"))
1848 while (mbuf_len > 3 && mbuf[3] == '-');
1849 (void)BIO_flush(fbio);
1854 "didn't find starttls in server response,"
1855 " trying anyway...\n");
1856 BIO_printf(sbio, "STARTTLS\r\n");
1857 BIO_read(sbio, sbuf, BUFSIZZ);
1862 BIO_read(sbio, mbuf, BUFSIZZ);
1863 BIO_printf(sbio, "STLS\r\n");
1864 mbuf_len = BIO_read(sbio, sbuf, BUFSIZZ);
1866 BIO_printf(bio_err, "BIO_read failed\n");
1874 BIO *fbio = BIO_new(BIO_f_buffer());
1875 BIO_push(fbio, sbio);
1876 BIO_gets(fbio, mbuf, BUFSIZZ);
1877 /* STARTTLS command requires CAPABILITY... */
1878 BIO_printf(fbio, ". CAPABILITY\r\n");
1879 (void)BIO_flush(fbio);
1880 /* wait for multi-line CAPABILITY response */
1882 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1883 if (strstr(mbuf, "STARTTLS"))
1886 while (mbuf_len > 3 && mbuf[0] != '.');
1887 (void)BIO_flush(fbio);
1892 "didn't find STARTTLS in server response,"
1893 " trying anyway...\n");
1894 BIO_printf(sbio, ". STARTTLS\r\n");
1895 BIO_read(sbio, sbuf, BUFSIZZ);
1900 BIO *fbio = BIO_new(BIO_f_buffer());
1901 BIO_push(fbio, sbio);
1902 /* wait for multi-line response to end from FTP */
1904 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1906 while (mbuf_len > 3 && mbuf[3] == '-');
1907 (void)BIO_flush(fbio);
1910 BIO_printf(sbio, "AUTH TLS\r\n");
1911 BIO_read(sbio, sbuf, BUFSIZZ);
1915 case PROTO_XMPP_SERVER:
1918 BIO_printf(sbio, "<stream:stream "
1919 "xmlns:stream='http://etherx.jabber.org/streams' "
1920 "xmlns='jabber:%s' to='%s' version='1.0'>",
1921 starttls_proto == PROTO_XMPP ? "client" : "server",
1922 xmpphost ? xmpphost : host);
1923 seen = BIO_read(sbio, mbuf, BUFSIZZ);
1926 (mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")
1928 "<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\""))
1930 seen = BIO_read(sbio, mbuf, BUFSIZZ);
1938 "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
1939 seen = BIO_read(sbio, sbuf, BUFSIZZ);
1941 if (!strstr(sbuf, "<proceed"))
1948 static const unsigned char tls_do[] = {
1949 /* IAC DO START_TLS */
1952 static const unsigned char tls_will[] = {
1953 /* IAC WILL START_TLS */
1956 static const unsigned char tls_follows[] = {
1957 /* IAC SB START_TLS FOLLOWS IAC SE */
1958 255, 250, 46, 1, 255, 240
1962 /* Telnet server should demand we issue START_TLS */
1963 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
1964 if (bytes != 3 || memcmp(mbuf, tls_do, 3) != 0)
1966 /* Agree to issue START_TLS and send the FOLLOWS sub-command */
1967 BIO_write(sbio, tls_will, 3);
1968 BIO_write(sbio, tls_follows, 6);
1969 (void)BIO_flush(sbio);
1970 /* Telnet server also sent the FOLLOWS sub-command */
1971 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
1972 if (bytes != 6 || memcmp(mbuf, tls_follows, 6) != 0)
1979 BIO *fbio = BIO_new(BIO_f_buffer());
1981 BIO_push(fbio, sbio);
1982 BIO_printf(fbio, "CONNECT %s HTTP/1.0\r\n\r\n", connectstr);
1983 (void)BIO_flush(fbio);
1984 /* wait for multi-line response to end CONNECT response */
1986 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1987 if (strstr(mbuf, "200") != NULL
1988 && strstr(mbuf, "established") != NULL)
1990 } while (mbuf_len > 3 && foundit == 0);
1991 (void)BIO_flush(fbio);
1995 BIO_printf(bio_err, "%s: HTTP CONNECT failed\n", prog);
2003 BIO *fbio = BIO_new(BIO_f_buffer());
2005 BIO_push(fbio, sbio);
2006 BIO_printf(fbio, "STARTTLS\r\n");
2007 (void)BIO_flush(fbio);
2008 width = SSL_get_fd(con) + 1;
2014 openssl_fdset(SSL_get_fd(con), &readfds);
2015 timeout.tv_sec = S_CLIENT_IRC_READ_TIMEOUT;
2016 timeout.tv_usec = 0;
2018 * If the IRCd doesn't respond within
2019 * S_CLIENT_IRC_READ_TIMEOUT seconds, assume
2020 * it doesn't support STARTTLS. Many IRCds
2021 * will not give _any_ sort of response to a
2022 * STARTTLS command when it's not supported.
2024 if (!BIO_get_buffer_num_lines(fbio)
2025 && !BIO_pending(fbio)
2026 && !BIO_pending(sbio)
2027 && select(width, (void *)&readfds, NULL, NULL,
2030 "Timeout waiting for response (%d seconds).\n",
2031 S_CLIENT_IRC_READ_TIMEOUT);
2035 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2036 if (mbuf_len < 1 || sscanf(mbuf, "%*s %d", &numeric) != 1)
2038 /* :example.net 451 STARTTLS :You have not registered */
2039 /* :example.net 421 STARTTLS :Unknown command */
2040 if ((numeric == 451 || numeric == 421)
2041 && strstr(mbuf, "STARTTLS") != NULL) {
2042 BIO_printf(bio_err, "STARTTLS not supported: %s", mbuf);
2045 if (numeric == 691) {
2046 BIO_printf(bio_err, "STARTTLS negotiation failed: ");
2047 ERR_print_errors(bio_err);
2050 } while (numeric != 670);
2052 (void)BIO_flush(fbio);
2055 if (numeric != 670) {
2056 BIO_printf(bio_err, "Server does not support STARTTLS.\n");
2067 if ((SSL_version(con) == DTLS1_VERSION) &&
2068 DTLSv1_get_timeout(con, &timeout))
2069 timeoutp = &timeout;
2073 if (SSL_in_init(con) && !SSL_total_renegotiations(con)) {
2081 if (servername != NULL && !SSL_session_reused(con)) {
2082 BIO_printf(bio_c_out,
2083 "Server did %sacknowledge servername extension.\n",
2084 tlsextcbp.ack ? "" : "not ");
2088 BIO *stmp = BIO_new_file(sess_out, "w");
2090 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));
2093 BIO_printf(bio_err, "Error writing session file %s\n",
2097 BIO_puts(bio_err, "CONNECTION ESTABLISHED\n");
2098 print_ssl_summary(con);
2101 print_stuff(bio_c_out, con, full_log);
2105 if (starttls_proto) {
2106 BIO_write(bio_err, mbuf, mbuf_len);
2107 /* We don't need to know any more */
2109 starttls_proto = PROTO_OFF;
2114 BIO_printf(bio_c_out,
2115 "drop connection and then reconnect\n");
2116 do_ssl_shutdown(con);
2117 SSL_set_connect_state(con);
2118 BIO_closesocket(SSL_get_fd(con));
2124 ssl_pending = read_ssl && SSL_has_pending(con);
2127 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
2130 openssl_fdset(fileno(stdin), &readfds);
2132 openssl_fdset(fileno(stdout), &writefds);
2135 openssl_fdset(SSL_get_fd(con), &readfds);
2137 openssl_fdset(SSL_get_fd(con), &writefds);
2139 if (!tty_on || !write_tty) {
2141 openssl_fdset(SSL_get_fd(con), &readfds);
2143 openssl_fdset(SSL_get_fd(con), &writefds);
2148 * Note: under VMS with SOCKETSHR the second parameter is
2149 * currently of type (int *) whereas under other systems it is
2150 * (void *) if you don't have a cast it will choke the compiler:
2151 * if you do have a cast then you can either go for (int *) or
2154 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2156 * Under Windows/DOS we make the assumption that we can always
2157 * write to the tty: therefore if we need to write to the tty we
2158 * just fall through. Otherwise we timeout the select every
2159 * second and see if there are any keypresses. Note: this is a
2160 * hack, in a proper Windows application we wouldn't do this.
2167 i = select(width, (void *)&readfds, (void *)&writefds,
2169 # if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
2170 if (!i && (!_kbhit() || !read_tty))
2173 if (!i && (!((_kbhit())
2174 || (WAIT_OBJECT_0 ==
2175 WaitForSingleObject(GetStdHandle
2182 i = select(width, (void *)&readfds, (void *)&writefds,
2186 i = select(width, (void *)&readfds, (void *)&writefds,
2190 BIO_printf(bio_err, "bad select %d\n",
2191 get_last_socket_error());
2197 if ((SSL_version(con) == DTLS1_VERSION)
2198 && DTLSv1_handle_timeout(con) > 0) {
2199 BIO_printf(bio_err, "TIMEOUT occurred\n");
2202 if (!ssl_pending && FD_ISSET(SSL_get_fd(con), &writefds)) {
2203 k = SSL_write(con, &(cbuf[cbuf_off]), (unsigned int)cbuf_len);
2204 switch (SSL_get_error(con, k)) {
2205 case SSL_ERROR_NONE:
2210 /* we have done a write(con,NULL,0); */
2211 if (cbuf_len <= 0) {
2214 } else { /* if (cbuf_len > 0) */
2220 case SSL_ERROR_WANT_WRITE:
2221 BIO_printf(bio_c_out, "write W BLOCK\n");
2225 case SSL_ERROR_WANT_ASYNC:
2226 BIO_printf(bio_c_out, "write A BLOCK\n");
2227 wait_for_async(con);
2231 case SSL_ERROR_WANT_READ:
2232 BIO_printf(bio_c_out, "write R BLOCK\n");
2237 case SSL_ERROR_WANT_X509_LOOKUP:
2238 BIO_printf(bio_c_out, "write X BLOCK\n");
2240 case SSL_ERROR_ZERO_RETURN:
2241 if (cbuf_len != 0) {
2242 BIO_printf(bio_c_out, "shutdown\n");
2251 case SSL_ERROR_SYSCALL:
2252 if ((k != 0) || (cbuf_len != 0)) {
2253 BIO_printf(bio_err, "write:errno=%d\n",
2254 get_last_socket_error());
2261 case SSL_ERROR_WANT_ASYNC_JOB:
2262 /* This shouldn't ever happen in s_client - treat as an error */
2264 ERR_print_errors(bio_err);
2268 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2269 /* Assume Windows/DOS/BeOS can always write */
2270 else if (!ssl_pending && write_tty)
2272 else if (!ssl_pending && FD_ISSET(fileno(stdout), &writefds))
2275 #ifdef CHARSET_EBCDIC
2276 ascii2ebcdic(&(sbuf[sbuf_off]), &(sbuf[sbuf_off]), sbuf_len);
2278 i = raw_write_stdout(&(sbuf[sbuf_off]), sbuf_len);
2281 BIO_printf(bio_c_out, "DONE\n");
2289 if (sbuf_len <= 0) {
2293 } else if (ssl_pending || FD_ISSET(SSL_get_fd(con), &readfds)) {
2298 SSL_renegotiate(con);
2303 k = SSL_read(con, sbuf, 1024 /* BUFSIZZ */ );
2305 switch (SSL_get_error(con, k)) {
2306 case SSL_ERROR_NONE:
2315 case SSL_ERROR_WANT_ASYNC:
2316 BIO_printf(bio_c_out, "read A BLOCK\n");
2317 wait_for_async(con);
2320 if ((read_tty == 0) && (write_ssl == 0))
2323 case SSL_ERROR_WANT_WRITE:
2324 BIO_printf(bio_c_out, "read W BLOCK\n");
2328 case SSL_ERROR_WANT_READ:
2329 BIO_printf(bio_c_out, "read R BLOCK\n");
2332 if ((read_tty == 0) && (write_ssl == 0))
2335 case SSL_ERROR_WANT_X509_LOOKUP:
2336 BIO_printf(bio_c_out, "read X BLOCK\n");
2338 case SSL_ERROR_SYSCALL:
2339 ret = get_last_socket_error();
2341 BIO_puts(bio_err, "CONNECTION CLOSED BY SERVER\n");
2343 BIO_printf(bio_err, "read:errno=%d\n", ret);
2345 case SSL_ERROR_ZERO_RETURN:
2346 BIO_printf(bio_c_out, "closed\n");
2349 case SSL_ERROR_WANT_ASYNC_JOB:
2350 /* This shouldn't ever happen in s_client. Treat as an error */
2352 ERR_print_errors(bio_err);
2357 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2358 # if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
2362 || (WAIT_OBJECT_0 ==
2363 WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
2366 else if (FD_ISSET(fileno(stdin), &readfds))
2372 i = raw_read_stdin(cbuf, BUFSIZZ / 2);
2374 /* both loops are skipped when i <= 0 */
2375 for (j = 0; j < i; j++)
2376 if (cbuf[j] == '\n')
2378 for (j = i - 1; j >= 0; j--) {
2379 cbuf[j + lf_num] = cbuf[j];
2380 if (cbuf[j] == '\n') {
2383 cbuf[j + lf_num] = '\r';
2386 assert(lf_num == 0);
2388 i = raw_read_stdin(cbuf, BUFSIZZ);
2390 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q' && cmdletters))) {
2391 BIO_printf(bio_err, "DONE\n");
2396 if ((!c_ign_eof) && (cbuf[0] == 'R' && cmdletters)) {
2397 BIO_printf(bio_err, "RENEGOTIATING\n");
2398 SSL_renegotiate(con);
2401 #ifndef OPENSSL_NO_HEARTBEATS
2402 else if ((!c_ign_eof) && (cbuf[0] == 'B' && cmdletters)) {
2403 BIO_printf(bio_err, "HEARTBEATING\n");
2411 #ifdef CHARSET_EBCDIC
2412 ebcdic2ascii(cbuf, cbuf, i);
2424 print_stuff(bio_c_out, con, full_log);
2425 do_ssl_shutdown(con);
2426 BIO_closesocket(SSL_get_fd(con));
2430 print_stuff(bio_c_out, con, 1);
2433 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2434 OPENSSL_free(next_proto.data);
2438 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2440 sk_X509_pop_free(chain, X509_free);
2442 #ifndef OPENSSL_NO_SRP
2443 OPENSSL_free(srp_arg.srppassin);
2447 X509_VERIFY_PARAM_free(vpm);
2448 ssl_excert_free(exc);
2449 sk_OPENSSL_STRING_free(ssl_args);
2450 sk_OPENSSL_STRING_free(dane_tlsa_rrset);
2451 SSL_CONF_CTX_free(cctx);
2452 OPENSSL_clear_free(cbuf, BUFSIZZ);
2453 OPENSSL_clear_free(sbuf, BUFSIZZ);
2454 OPENSSL_clear_free(mbuf, BUFSIZZ);
2455 BIO_free(bio_c_out);
2457 BIO_free(bio_c_msg);
2462 static void print_stuff(BIO *bio, SSL *s, int full)
2467 STACK_OF(X509_NAME) *sk2;
2468 const SSL_CIPHER *c;
2471 #ifndef OPENSSL_NO_COMP
2472 const COMP_METHOD *comp, *expansion;
2474 unsigned char *exportedkeymat;
2475 #ifndef OPENSSL_NO_CT
2476 const SSL_CTX *ctx = SSL_get_SSL_CTX(s);
2480 int got_a_chain = 0;
2482 sk = SSL_get_peer_cert_chain(s);
2486 BIO_printf(bio, "---\nCertificate chain\n");
2487 for (i = 0; i < sk_X509_num(sk); i++) {
2488 X509_NAME_oneline(X509_get_subject_name(sk_X509_value(sk, i)),
2490 BIO_printf(bio, "%2d s:%s\n", i, buf);
2491 X509_NAME_oneline(X509_get_issuer_name(sk_X509_value(sk, i)),
2493 BIO_printf(bio, " i:%s\n", buf);
2495 PEM_write_bio_X509(bio, sk_X509_value(sk, i));
2499 BIO_printf(bio, "---\n");
2500 peer = SSL_get_peer_certificate(s);
2502 BIO_printf(bio, "Server certificate\n");
2504 /* Redundant if we showed the whole chain */
2505 if (!(c_showcerts && got_a_chain))
2506 PEM_write_bio_X509(bio, peer);
2507 X509_NAME_oneline(X509_get_subject_name(peer), buf, sizeof buf);
2508 BIO_printf(bio, "subject=%s\n", buf);
2509 X509_NAME_oneline(X509_get_issuer_name(peer), buf, sizeof buf);
2510 BIO_printf(bio, "issuer=%s\n", buf);
2512 BIO_printf(bio, "no peer certificate available\n");
2514 sk2 = SSL_get_client_CA_list(s);
2515 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0)) {
2516 BIO_printf(bio, "---\nAcceptable client certificate CA names\n");
2517 for (i = 0; i < sk_X509_NAME_num(sk2); i++) {
2518 xn = sk_X509_NAME_value(sk2, i);
2519 X509_NAME_oneline(xn, buf, sizeof(buf));
2520 BIO_write(bio, buf, strlen(buf));
2521 BIO_write(bio, "\n", 1);
2524 BIO_printf(bio, "---\nNo client certificate CA names sent\n");
2527 ssl_print_sigalgs(bio, s);
2528 ssl_print_tmp_key(bio, s);
2530 #ifndef OPENSSL_NO_CT
2532 * When the SSL session is anonymous, or resumed via an abbreviated
2533 * handshake, no SCTs are provided as part of the handshake. While in
2534 * a resumed session SCTs may be present in the session's certificate,
2535 * no callbacks are invoked to revalidate these, and in any case that
2536 * set of SCTs may be incomplete. Thus it makes little sense to
2537 * attempt to display SCTs from a resumed session's certificate, and of
2538 * course none are associated with an anonymous peer.
2540 if (peer != NULL && !SSL_session_reused(s) && SSL_ct_is_enabled(s)) {
2541 const STACK_OF(SCT) *scts = SSL_get0_peer_scts(s);
2542 int sct_count = scts != NULL ? sk_SCT_num(scts) : 0;
2544 BIO_printf(bio, "---\nSCTs present (%i)\n", sct_count);
2545 if (sct_count > 0) {
2546 const CTLOG_STORE *log_store = SSL_CTX_get0_ctlog_store(ctx);
2548 BIO_printf(bio, "---\n");
2549 for (i = 0; i < sct_count; ++i) {
2550 SCT *sct = sk_SCT_value(scts, i);
2552 BIO_printf(bio, "SCT validation status: %s\n",
2553 SCT_validation_status_string(sct));
2554 SCT_print(sct, bio, 0, log_store);
2555 if (i < sct_count - 1)
2556 BIO_printf(bio, "\n---\n");
2558 BIO_printf(bio, "\n");
2564 "---\nSSL handshake has read %"PRIu64" bytes and written %"PRIu64" bytes\n",
2565 BIO_number_read(SSL_get_rbio(s)),
2566 BIO_number_written(SSL_get_wbio(s)));
2568 print_verify_detail(s, bio);
2569 BIO_printf(bio, (SSL_session_reused(s) ? "---\nReused, " : "---\nNew, "));
2570 c = SSL_get_current_cipher(s);
2571 BIO_printf(bio, "%s, Cipher is %s\n",
2572 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
2575 pktmp = X509_get0_pubkey(peer);
2576 BIO_printf(bio, "Server public key is %d bit\n",
2577 EVP_PKEY_bits(pktmp));
2579 BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
2580 SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
2581 #ifndef OPENSSL_NO_COMP
2582 comp = SSL_get_current_compression(s);
2583 expansion = SSL_get_current_expansion(s);
2584 BIO_printf(bio, "Compression: %s\n",
2585 comp ? SSL_COMP_get_name(comp) : "NONE");
2586 BIO_printf(bio, "Expansion: %s\n",
2587 expansion ? SSL_COMP_get_name(expansion) : "NONE");
2592 /* Print out local port of connection: useful for debugging */
2594 struct sockaddr_in ladd;
2595 socklen_t ladd_size = sizeof(ladd);
2596 sock = SSL_get_fd(s);
2597 getsockname(sock, (struct sockaddr *)&ladd, &ladd_size);
2598 BIO_printf(bio_c_out, "LOCAL PORT is %u\n", ntohs(ladd.sin_port));
2602 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2603 if (next_proto.status != -1) {
2604 const unsigned char *proto;
2605 unsigned int proto_len;
2606 SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
2607 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
2608 BIO_write(bio, proto, proto_len);
2609 BIO_write(bio, "\n", 1);
2613 const unsigned char *proto;
2614 unsigned int proto_len;
2615 SSL_get0_alpn_selected(s, &proto, &proto_len);
2616 if (proto_len > 0) {
2617 BIO_printf(bio, "ALPN protocol: ");
2618 BIO_write(bio, proto, proto_len);
2619 BIO_write(bio, "\n", 1);
2621 BIO_printf(bio, "No ALPN negotiated\n");
2624 #ifndef OPENSSL_NO_SRTP
2626 SRTP_PROTECTION_PROFILE *srtp_profile =
2627 SSL_get_selected_srtp_profile(s);
2630 BIO_printf(bio, "SRTP Extension negotiated, profile=%s\n",
2631 srtp_profile->name);
2635 SSL_SESSION_print(bio, SSL_get_session(s));
2636 if (keymatexportlabel != NULL) {
2637 BIO_printf(bio, "Keying material exporter:\n");
2638 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel);
2639 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen);
2640 exportedkeymat = app_malloc(keymatexportlen, "export key");
2641 if (!SSL_export_keying_material(s, exportedkeymat,
2644 strlen(keymatexportlabel),
2646 BIO_printf(bio, " Error\n");
2648 BIO_printf(bio, " Keying material: ");
2649 for (i = 0; i < keymatexportlen; i++)
2650 BIO_printf(bio, "%02X", exportedkeymat[i]);
2651 BIO_printf(bio, "\n");
2653 OPENSSL_free(exportedkeymat);
2655 BIO_printf(bio, "---\n");
2657 /* flush, or debugging output gets mixed with http response */
2658 (void)BIO_flush(bio);
2661 # ifndef OPENSSL_NO_OCSP
2662 static int ocsp_resp_cb(SSL *s, void *arg)
2664 const unsigned char *p;
2667 len = SSL_get_tlsext_status_ocsp_resp(s, &p);
2668 BIO_puts(arg, "OCSP response: ");
2670 BIO_puts(arg, "no response sent\n");
2673 rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
2675 BIO_puts(arg, "response parse error\n");
2676 BIO_dump_indent(arg, (char *)p, len, 4);
2679 BIO_puts(arg, "\n======================================\n");
2680 OCSP_RESPONSE_print(arg, rsp, 0);
2681 BIO_puts(arg, "======================================\n");
2682 OCSP_RESPONSE_free(rsp);