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,
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 {"reconnect", OPT_RECONNECT, '-',
593 "Drop and re-make the connection with the same Session-ID"},
594 {"showcerts", OPT_SHOWCERTS, '-', "Show all certificates in the chain"},
595 {"debug", OPT_DEBUG, '-', "Extra output"},
596 {"msg", OPT_MSG, '-', "Show protocol messages"},
597 {"msgfile", OPT_MSGFILE, '>',
598 "File to send output of -msg or -trace, instead of stdout"},
599 {"nbio_test", OPT_NBIO_TEST, '-', "More ssl protocol testing"},
600 {"state", OPT_STATE, '-', "Print the ssl states"},
601 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"},
602 {"quiet", OPT_QUIET, '-', "No s_client output"},
603 {"ign_eof", OPT_IGN_EOF, '-', "Ignore input eof (default when -quiet)"},
604 {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Don't ignore input eof"},
605 {"starttls", OPT_STARTTLS, 's',
606 "Use the appropriate STARTTLS command before starting TLS"},
607 {"xmpphost", OPT_XMPPHOST, 's',
608 "Host to use with \"-starttls xmpp[-server]\""},
609 {"rand", OPT_RAND, 's',
610 "Load the file(s) into the random number generator"},
611 {"sess_out", OPT_SESS_OUT, '>', "File to write SSL session to"},
612 {"sess_in", OPT_SESS_IN, '<', "File to read SSL session from"},
613 {"use_srtp", OPT_USE_SRTP, 's',
614 "Offer SRTP key management with a colon-separated profile list"},
615 {"keymatexport", OPT_KEYMATEXPORT, 's',
616 "Export keying material using label"},
617 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
618 "Export len bytes of keying material (default 20)"},
619 {"fallback_scsv", OPT_FALLBACKSCSV, '-', "Send the fallback SCSV"},
620 {"name", OPT_SMTPHOST, 's', "Hostname to use for \"-starttls smtp\""},
621 {"CRL", OPT_CRL, '<', "CRL file to use"},
622 {"crl_download", OPT_CRL_DOWNLOAD, '-', "Download CRL from distribution points"},
623 {"CRLform", OPT_CRLFORM, 'F', "CRL format (PEM or DER) PEM is default"},
624 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-',
625 "Close connection on verification error"},
626 {"verify_quiet", OPT_VERIFY_QUIET, '-', "Restrict verify output to errors"},
627 {"brief", OPT_BRIEF, '-',
628 "Restrict output to brief summary of connection parameters"},
629 {"prexit", OPT_PREXIT, '-',
630 "Print session information when the program exits"},
631 {"security_debug", OPT_SECURITY_DEBUG, '-',
632 "Enable security debug messages"},
633 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-',
634 "Output more security debug output"},
635 {"cert_chain", OPT_CERT_CHAIN, '<',
636 "Certificate chain file (in PEM format)"},
637 {"chainCApath", OPT_CHAINCAPATH, '/',
638 "Use dir as certificate store path to build CA certificate chain"},
639 {"verifyCApath", OPT_VERIFYCAPATH, '/',
640 "Use dir as certificate store path to verify CA certificate"},
641 {"build_chain", OPT_BUILD_CHAIN, '-', "Build certificate chain"},
642 {"chainCAfile", OPT_CHAINCAFILE, '<',
643 "CA file for certificate chain (PEM format)"},
644 {"verifyCAfile", OPT_VERIFYCAFILE, '<',
645 "CA file for certificate verification (PEM format)"},
646 {"nocommands", OPT_NOCMDS, '-', "Do not use interactive command letters"},
647 {"servername", OPT_SERVERNAME, 's',
648 "Set TLS extension servername in ClientHello"},
649 {"tlsextdebug", OPT_TLSEXTDEBUG, '-',
650 "Hex dump of all TLS extensions received"},
651 #ifndef OPENSSL_NO_OCSP
652 {"status", OPT_STATUS, '-', "Request certificate status from server"},
654 {"serverinfo", OPT_SERVERINFO, 's',
655 "types Send empty ClientHello extensions (comma-separated numbers)"},
656 {"alpn", OPT_ALPN, 's',
657 "Enable ALPN extension, considering named protocols supported (comma-separated list)"},
658 {"async", OPT_ASYNC, '-', "Support asynchronous operation"},
659 {"ssl_config", OPT_SSL_CONFIG, 's', "Use specified configuration file"},
660 {"split_send_frag", OPT_SPLIT_SEND_FRAG, 'n',
661 "Size used to split data for encrypt pipelines"},
662 {"max_pipelines", OPT_MAX_PIPELINES, 'n',
663 "Maximum number of encrypt/decrypt pipelines to be used"},
664 {"read_buf", OPT_READ_BUF, 'n',
665 "Default read buffer size to be used for connections"},
669 #ifndef OPENSSL_NO_SSL3
670 {"ssl3", OPT_SSL3, '-', "Just use SSLv3"},
672 #ifndef OPENSSL_NO_TLS1
673 {"tls1", OPT_TLS1, '-', "Just use TLSv1"},
675 #ifndef OPENSSL_NO_TLS1_1
676 {"tls1_1", OPT_TLS1_1, '-', "Just use TLSv1.1"},
678 #ifndef OPENSSL_NO_TLS1_2
679 {"tls1_2", OPT_TLS1_2, '-', "Just use TLSv1.2"},
681 #ifndef OPENSSL_NO_DTLS
682 {"dtls", OPT_DTLS, '-', "Use any version of DTLS"},
683 {"timeout", OPT_TIMEOUT, '-',
684 "Enable send/receive timeout on DTLS connections"},
685 {"mtu", OPT_MTU, 'p', "Set the link layer MTU"},
687 #ifndef OPENSSL_NO_DTLS1
688 {"dtls1", OPT_DTLS1, '-', "Just use DTLSv1"},
690 #ifndef OPENSSL_NO_DTLS1_2
691 {"dtls1_2", OPT_DTLS1_2, '-', "Just use DTLSv1.2"},
693 #ifndef OPENSSL_NO_SSL_TRACE
694 {"trace", OPT_TRACE, '-', "Show trace output of protocol messages"},
697 {"wdebug", OPT_WDEBUG, '-', "WATT-32 tcp debugging"},
699 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"},
700 #ifndef OPENSSL_NO_PSK
701 {"psk_identity", OPT_PSK_IDENTITY, 's', "PSK identity"},
702 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"},
704 #ifndef OPENSSL_NO_SRP
705 {"srpuser", OPT_SRPUSER, 's', "SRP authentication for 'user'"},
706 {"srppass", OPT_SRPPASS, 's', "Password for 'user'"},
707 {"srp_lateuser", OPT_SRP_LATEUSER, '-',
708 "SRP username into second ClientHello message"},
709 {"srp_moregroups", OPT_SRP_MOREGROUPS, '-',
710 "Tolerate other than the known g N values."},
711 {"srp_strength", OPT_SRP_STRENGTH, 'p', "Minimal length in bits for N"},
713 #ifndef OPENSSL_NO_NEXTPROTONEG
714 {"nextprotoneg", OPT_NEXTPROTONEG, 's',
715 "Enable NPN extension, considering named protocols supported (comma-separated list)"},
717 #ifndef OPENSSL_NO_ENGINE
718 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
719 {"ssl_client_engine", OPT_SSL_CLIENT_ENGINE, 's',
720 "Specify engine to be used for client certificate operations"},
722 #ifndef OPENSSL_NO_CT
723 {"ct", OPT_CT, '-', "Request and parse SCTs (also enables OCSP stapling)"},
724 {"noct", OPT_NOCT, '-', "Do not request or parse SCTs (default)"},
725 {"ctlogfile", OPT_CTLOG_FILE, '<', "CT log list CONF file"},
727 {NULL, OPT_EOF, 0x00, NULL}
730 typedef enum PROTOCOL_choice {
743 static const OPT_PAIR services[] = {
744 {"smtp", PROTO_SMTP},
745 {"pop3", PROTO_POP3},
746 {"imap", PROTO_IMAP},
748 {"xmpp", PROTO_XMPP},
749 {"xmpp-server", PROTO_XMPP_SERVER},
750 {"telnet", PROTO_TELNET},
755 #define IS_INET_FLAG(o) \
756 (o == OPT_4 || o == OPT_6 || o == OPT_HOST || o == OPT_PORT || o == OPT_CONNECT)
757 #define IS_UNIX_FLAG(o) (o == OPT_UNIX)
759 #define IS_PROT_FLAG(o) \
760 (o == OPT_SSL3 || o == OPT_TLS1 || o == OPT_TLS1_1 || o == OPT_TLS1_2 \
761 || o == OPT_DTLS || o == OPT_DTLS1 || o == OPT_DTLS1_2)
763 /* Free |*dest| and optionally set it to a copy of |source|. */
764 static void freeandcopy(char **dest, const char *source)
769 *dest = OPENSSL_strdup(source);
772 int s_client_main(int argc, char **argv)
775 EVP_PKEY *key = NULL;
778 STACK_OF(X509) *chain = NULL;
780 X509_VERIFY_PARAM *vpm = NULL;
781 SSL_EXCERT *exc = NULL;
782 SSL_CONF_CTX *cctx = NULL;
783 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
784 char *dane_tlsa_domain = NULL;
785 STACK_OF(OPENSSL_STRING) *dane_tlsa_rrset = NULL;
786 STACK_OF(X509_CRL) *crls = NULL;
787 const SSL_METHOD *meth = TLS_client_method();
788 const char *CApath = NULL, *CAfile = NULL;
789 char *cbuf = NULL, *sbuf = NULL;
790 char *mbuf = NULL, *proxystr = NULL, *connectstr = NULL;
791 char *cert_file = NULL, *key_file = NULL, *chain_file = NULL;
792 char *chCApath = NULL, *chCAfile = NULL, *host = NULL;
793 char *port = OPENSSL_strdup(PORT);
795 char *passarg = NULL, *pass = NULL, *vfyCApath = NULL, *vfyCAfile = NULL;
796 char *sess_in = NULL, *sess_out = NULL, *crl_file = NULL, *p;
797 char *xmpphost = NULL;
798 const char *ehlo = "mail.example.com";
799 struct timeval timeout, *timeoutp;
800 fd_set readfds, writefds;
801 int noCApath = 0, noCAfile = 0;
802 int build_chain = 0, cbuf_len, cbuf_off, cert_format = FORMAT_PEM;
803 int key_format = FORMAT_PEM, crlf = 0, full_log = 1, mbuf_len = 0;
806 int reconnect = 0, verify = SSL_VERIFY_NONE, vpmtouched = 0;
807 int ret = 1, in_init = 1, i, nbio_test = 0, s = -1, k, width, state = 0;
808 int sbuf_len, sbuf_off, cmdletters = 1;
809 int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM;
810 int starttls_proto = PROTO_OFF, crl_format = FORMAT_PEM, crl_download = 0;
811 int write_tty, read_tty, write_ssl, read_ssl, tty_on, ssl_pending;
813 int read_buf_len = 0;
814 int fallback_scsv = 0;
817 #ifndef OPENSSL_NO_DTLS
818 int enable_timeouts = 0;
821 #ifndef OPENSSL_NO_ENGINE
822 ENGINE *ssl_client_engine = NULL;
825 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
828 char *servername = NULL;
829 const char *alpn_in = NULL;
830 tlsextctx tlsextcbp = { NULL, 0 };
831 const char *ssl_config = NULL;
832 #define MAX_SI_TYPES 100
833 unsigned short serverinfo_types[MAX_SI_TYPES];
834 int serverinfo_count = 0, start = 0, len;
835 #ifndef OPENSSL_NO_NEXTPROTONEG
836 const char *next_proto_neg_in = NULL;
838 #ifndef OPENSSL_NO_SRP
839 char *srppass = NULL;
840 int srp_lateuser = 0;
841 SRP_ARG srp_arg = { NULL, NULL, 0, 0, 0, 1024 };
843 #ifndef OPENSSL_NO_CT
844 char *ctlog_file = NULL;
845 int ct_validation = 0;
847 int min_version = 0, max_version = 0, prot_opt = 0, no_prot_opt = 0;
849 unsigned int split_send_fragment = 0;
850 unsigned int max_pipelines = 0;
851 enum { use_inet, use_unix, use_unknown } connect_type = use_unknown;
853 int c_nbio = 0, c_msg = 0, c_ign_eof = 0, c_brief = 0;
854 int c_tlsextdebug = 0, c_status_req = 0;
855 BIO *bio_c_msg = NULL;
859 /* Known false-positive of MemorySanitizer. */
860 #if defined(__has_feature)
861 # if __has_feature(memory_sanitizer)
862 __msan_unpoison(&readfds, sizeof(readfds));
863 __msan_unpoison(&writefds, sizeof(writefds));
867 prog = opt_progname(argv[0]);
872 vpm = X509_VERIFY_PARAM_new();
873 cctx = SSL_CONF_CTX_new();
875 if (vpm == NULL || cctx == NULL) {
876 BIO_printf(bio_err, "%s: out of memory\n", prog);
880 cbuf = app_malloc(BUFSIZZ, "cbuf");
881 sbuf = app_malloc(BUFSIZZ, "sbuf");
882 mbuf = app_malloc(BUFSIZZ, "mbuf");
884 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT | SSL_CONF_FLAG_CMDLINE);
886 prog = opt_init(argc, argv, s_client_options);
887 while ((o = opt_next()) != OPT_EOF) {
888 /* Check for intermixing flags. */
889 if (connect_type == use_unix && IS_INET_FLAG(o)) {
891 "%s: Intermixed protocol flags (unix and internet domains)\n",
895 if (connect_type == use_inet && IS_UNIX_FLAG(o)) {
897 "%s: Intermixed protocol flags (internet and unix domains)\n",
902 if (IS_PROT_FLAG(o) && ++prot_opt > 1) {
903 BIO_printf(bio_err, "Cannot supply multiple protocol flags\n");
906 if (IS_NO_PROT_FLAG(o))
908 if (prot_opt == 1 && no_prot_opt) {
910 "Cannot supply both a protocol flag and '-no_<prot>'\n");
918 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
921 opt_help(s_client_options);
925 connect_type = use_inet;
926 socket_family = AF_INET;
931 connect_type = use_inet;
932 socket_family = AF_INET6;
937 connect_type = use_inet;
938 freeandcopy(&host, opt_arg());
941 connect_type = use_inet;
942 freeandcopy(&port, opt_arg());
945 connect_type = use_inet;
946 freeandcopy(&connectstr, opt_arg());
949 proxystr = opt_arg();
950 starttls_proto = PROTO_CONNECT;
954 connect_type = use_unix;
955 socket_family = AF_UNIX;
956 freeandcopy(&host, opt_arg());
960 xmpphost = opt_arg();
966 verify = SSL_VERIFY_PEER;
967 verify_args.depth = atoi(opt_arg());
969 BIO_printf(bio_err, "verify depth is %d\n", verify_args.depth);
972 cert_file = opt_arg();
975 crl_file = opt_arg();
977 case OPT_CRL_DOWNLOAD:
981 sess_out = opt_arg();
987 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &cert_format))
991 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
994 case OPT_VERIFY_RET_ERROR:
995 verify_args.return_error = 1;
997 case OPT_VERIFY_QUIET:
998 verify_args.quiet = 1;
1001 c_brief = verify_args.quiet = c_quiet = 1;
1004 if (ssl_args == NULL)
1005 ssl_args = sk_OPENSSL_STRING_new_null();
1006 if (ssl_args == NULL
1007 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
1008 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
1009 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1014 if (!opt_verify(o, vpm))
1019 if (!args_excert(o, &exc))
1029 c_quiet = c_ign_eof = 1;
1038 e = setup_engine(opt_arg(), 1);
1040 case OPT_SSL_CLIENT_ENGINE:
1041 #ifndef OPENSSL_NO_ENGINE
1042 ssl_client_engine = ENGINE_by_id(opt_arg());
1043 if (ssl_client_engine == NULL) {
1044 BIO_printf(bio_err, "Error getting client auth engine\n");
1055 case OPT_NO_IGN_EOF:
1061 case OPT_TLSEXTDEBUG:
1076 bio_c_msg = BIO_new_file(opt_arg(), "w");
1079 #ifndef OPENSSL_NO_SSL_TRACE
1083 case OPT_SECURITY_DEBUG:
1086 case OPT_SECURITY_DEBUG_VERBOSE:
1098 #ifndef OPENSSL_NO_PSK
1099 case OPT_PSK_IDENTITY:
1100 psk_identity = opt_arg();
1103 for (p = psk_key = opt_arg(); *p; p++) {
1104 if (isxdigit(_UC(*p)))
1106 BIO_printf(bio_err, "Not a hex number '%s'\n", psk_key);
1111 #ifndef OPENSSL_NO_SRP
1113 srp_arg.srplogin = opt_arg();
1114 if (min_version < TLS1_VERSION)
1115 min_version = TLS1_VERSION;
1118 srppass = opt_arg();
1119 if (min_version < TLS1_VERSION)
1120 min_version = TLS1_VERSION;
1122 case OPT_SRP_STRENGTH:
1123 srp_arg.strength = atoi(opt_arg());
1124 BIO_printf(bio_err, "SRP minimal length for N is %d\n",
1126 if (min_version < TLS1_VERSION)
1127 min_version = TLS1_VERSION;
1129 case OPT_SRP_LATEUSER:
1131 if (min_version < TLS1_VERSION)
1132 min_version = TLS1_VERSION;
1134 case OPT_SRP_MOREGROUPS:
1136 if (min_version < TLS1_VERSION)
1137 min_version = TLS1_VERSION;
1140 case OPT_SSL_CONFIG:
1141 ssl_config = opt_arg();
1144 min_version = SSL3_VERSION;
1145 max_version = SSL3_VERSION;
1148 min_version = TLS1_2_VERSION;
1149 max_version = TLS1_2_VERSION;
1152 min_version = TLS1_1_VERSION;
1153 max_version = TLS1_1_VERSION;
1156 min_version = TLS1_VERSION;
1157 max_version = TLS1_VERSION;
1160 #ifndef OPENSSL_NO_DTLS
1161 meth = DTLS_client_method();
1162 socket_type = SOCK_DGRAM;
1166 #ifndef OPENSSL_NO_DTLS1
1167 meth = DTLS_client_method();
1168 min_version = DTLS1_VERSION;
1169 max_version = DTLS1_VERSION;
1170 socket_type = SOCK_DGRAM;
1174 #ifndef OPENSSL_NO_DTLS1_2
1175 meth = DTLS_client_method();
1176 min_version = DTLS1_2_VERSION;
1177 max_version = DTLS1_2_VERSION;
1178 socket_type = SOCK_DGRAM;
1182 #ifndef OPENSSL_NO_DTLS
1183 enable_timeouts = 1;
1187 #ifndef OPENSSL_NO_DTLS
1188 socket_mtu = atol(opt_arg());
1191 case OPT_FALLBACKSCSV:
1195 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &key_format))
1199 passarg = opt_arg();
1201 case OPT_CERT_CHAIN:
1202 chain_file = opt_arg();
1205 key_file = opt_arg();
1216 case OPT_CHAINCAPATH:
1217 chCApath = opt_arg();
1219 case OPT_VERIFYCAPATH:
1220 vfyCApath = opt_arg();
1222 case OPT_BUILD_CHAIN:
1231 #ifndef OPENSSL_NO_CT
1238 case OPT_CTLOG_FILE:
1239 ctlog_file = opt_arg();
1242 case OPT_CHAINCAFILE:
1243 chCAfile = opt_arg();
1245 case OPT_VERIFYCAFILE:
1246 vfyCAfile = opt_arg();
1248 case OPT_DANE_TLSA_DOMAIN:
1249 dane_tlsa_domain = opt_arg();
1251 case OPT_DANE_TLSA_RRDATA:
1252 if (dane_tlsa_rrset == NULL)
1253 dane_tlsa_rrset = sk_OPENSSL_STRING_new_null();
1254 if (dane_tlsa_rrset == NULL ||
1255 !sk_OPENSSL_STRING_push(dane_tlsa_rrset, opt_arg())) {
1256 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1260 case OPT_NEXTPROTONEG:
1261 #ifndef OPENSSL_NO_NEXTPROTONEG
1262 next_proto_neg_in = opt_arg();
1266 alpn_in = opt_arg();
1268 case OPT_SERVERINFO:
1271 for (start = 0, i = 0; i <= len; ++i) {
1272 if (i == len || p[i] == ',') {
1273 serverinfo_types[serverinfo_count] = atoi(p + start);
1274 if (++serverinfo_count == MAX_SI_TYPES)
1281 if (!opt_pair(opt_arg(), services, &starttls_proto))
1284 case OPT_SERVERNAME:
1285 servername = opt_arg();
1288 srtp_profiles = opt_arg();
1290 case OPT_KEYMATEXPORT:
1291 keymatexportlabel = opt_arg();
1293 case OPT_KEYMATEXPORTLEN:
1294 keymatexportlen = atoi(opt_arg());
1299 case OPT_SPLIT_SEND_FRAG:
1300 split_send_fragment = atoi(opt_arg());
1301 if (split_send_fragment == 0) {
1303 * Not allowed - set to a deliberately bad value so we get an
1304 * error message below
1306 split_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH + 1;
1309 case OPT_MAX_PIPELINES:
1310 max_pipelines = atoi(opt_arg());
1313 read_buf_len = atoi(opt_arg());
1317 if (count4or6 >= 2) {
1318 BIO_printf(bio_err, "%s: Can't use both -4 and -6\n", prog);
1321 argc = opt_num_rest();
1327 char *tmp_host = host, *tmp_port = port;
1328 if (connectstr == NULL) {
1329 BIO_printf(bio_err, "%s: -proxy requires use of -connect\n", prog);
1332 res = BIO_parse_hostserv(proxystr, &host, &port, BIO_PARSE_PRIO_HOST);
1333 if (tmp_host != host)
1334 OPENSSL_free(tmp_host);
1335 if (tmp_port != port)
1336 OPENSSL_free(tmp_port);
1339 "%s: -proxy argument malformed or ambiguous\n", prog);
1344 char *tmp_host = host, *tmp_port = port;
1345 if (connectstr != NULL)
1346 res = BIO_parse_hostserv(connectstr, &host, &port,
1347 BIO_PARSE_PRIO_HOST);
1348 if (tmp_host != host)
1349 OPENSSL_free(tmp_host);
1350 if (tmp_port != port)
1351 OPENSSL_free(tmp_port);
1354 "%s: -connect argument malformed or ambiguous\n",
1360 if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) {
1362 "Can't use unix sockets and datagrams together\n");
1366 if (split_send_fragment > SSL3_RT_MAX_PLAIN_LENGTH) {
1367 BIO_printf(bio_err, "Bad split send fragment size\n");
1371 if (max_pipelines > SSL_MAX_PIPELINES) {
1372 BIO_printf(bio_err, "Bad max pipelines value\n");
1376 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1377 next_proto.status = -1;
1378 if (next_proto_neg_in) {
1380 next_protos_parse(&next_proto.len, next_proto_neg_in);
1381 if (next_proto.data == NULL) {
1382 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n");
1386 next_proto.data = NULL;
1389 if (!app_passwd(passarg, NULL, &pass, NULL)) {
1390 BIO_printf(bio_err, "Error getting password\n");
1394 if (key_file == NULL)
1395 key_file = cert_file;
1398 key = load_key(key_file, key_format, 0, pass, e,
1399 "client certificate private key file");
1401 ERR_print_errors(bio_err);
1407 cert = load_cert(cert_file, cert_format, "client certificate file");
1409 ERR_print_errors(bio_err);
1415 if (!load_certs(chain_file, &chain, FORMAT_PEM, NULL,
1416 "client certificate chain"))
1422 crl = load_crl(crl_file, crl_format);
1424 BIO_puts(bio_err, "Error loading CRL\n");
1425 ERR_print_errors(bio_err);
1428 crls = sk_X509_CRL_new_null();
1429 if (crls == NULL || !sk_X509_CRL_push(crls, crl)) {
1430 BIO_puts(bio_err, "Error adding CRL\n");
1431 ERR_print_errors(bio_err);
1437 if (!load_excert(&exc))
1440 if (!app_RAND_load_file(NULL, 1) && inrand == NULL
1441 && !RAND_status()) {
1443 "warning, not much extra random data, consider using the -rand option\n");
1445 if (inrand != NULL) {
1446 randamt = app_RAND_load_files(inrand);
1447 BIO_printf(bio_err, "%ld semi-random bytes loaded\n", randamt);
1450 if (bio_c_out == NULL) {
1451 if (c_quiet && !c_debug) {
1452 bio_c_out = BIO_new(BIO_s_null());
1453 if (c_msg && !bio_c_msg)
1454 bio_c_msg = dup_bio_out(FORMAT_TEXT);
1455 } else if (bio_c_out == NULL)
1456 bio_c_out = dup_bio_out(FORMAT_TEXT);
1458 #ifndef OPENSSL_NO_SRP
1459 if (!app_passwd(srppass, NULL, &srp_arg.srppassin, NULL)) {
1460 BIO_printf(bio_err, "Error getting password\n");
1465 ctx = SSL_CTX_new(meth);
1467 ERR_print_errors(bio_err);
1472 ssl_ctx_security_debug(ctx, sdebug);
1475 if (SSL_CTX_config(ctx, ssl_config) == 0) {
1476 BIO_printf(bio_err, "Error using configuration \"%s\"\n",
1478 ERR_print_errors(bio_err);
1483 if (SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
1485 if (SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
1488 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
1489 BIO_printf(bio_err, "Error setting verify params\n");
1490 ERR_print_errors(bio_err);
1495 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
1497 if (split_send_fragment > 0) {
1498 SSL_CTX_set_split_send_fragment(ctx, split_send_fragment);
1500 if (max_pipelines > 0) {
1501 SSL_CTX_set_max_pipelines(ctx, max_pipelines);
1504 if (read_buf_len > 0) {
1505 SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len);
1508 if (!config_ctx(cctx, ssl_args, ctx))
1511 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1512 crls, crl_download)) {
1513 BIO_printf(bio_err, "Error loading store locations\n");
1514 ERR_print_errors(bio_err);
1517 #ifndef OPENSSL_NO_ENGINE
1518 if (ssl_client_engine) {
1519 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine)) {
1520 BIO_puts(bio_err, "Error setting client auth engine\n");
1521 ERR_print_errors(bio_err);
1522 ENGINE_free(ssl_client_engine);
1525 ENGINE_free(ssl_client_engine);
1529 #ifndef OPENSSL_NO_PSK
1530 if (psk_key != NULL) {
1532 BIO_printf(bio_c_out, "PSK key given, setting client callback\n");
1533 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
1536 #ifndef OPENSSL_NO_SRTP
1537 if (srtp_profiles != NULL) {
1538 /* Returns 0 on success! */
1539 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
1540 BIO_printf(bio_err, "Error setting SRTP profile\n");
1541 ERR_print_errors(bio_err);
1548 ssl_ctx_set_excert(ctx, exc);
1550 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1551 if (next_proto.data)
1552 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
1556 unsigned char *alpn = next_protos_parse(&alpn_len, alpn_in);
1559 BIO_printf(bio_err, "Error parsing -alpn argument\n");
1562 /* Returns 0 on success! */
1563 if (SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len) != 0) {
1564 BIO_printf(bio_err, "Error setting ALPN\n");
1570 for (i = 0; i < serverinfo_count; i++) {
1571 if (!SSL_CTX_add_client_custom_ext(ctx,
1572 serverinfo_types[i],
1574 serverinfo_cli_parse_cb, NULL)) {
1576 "Warning: Unable to add custom extension %u, skipping\n",
1577 serverinfo_types[i]);
1582 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1584 #ifndef OPENSSL_NO_CT
1585 /* Enable SCT processing, without early connection termination */
1586 if (ct_validation &&
1587 !SSL_CTX_enable_ct(ctx, SSL_CT_VALIDATION_PERMISSIVE)) {
1588 ERR_print_errors(bio_err);
1592 if (!ctx_set_ctlog_list_file(ctx, ctlog_file)) {
1593 if (ct_validation) {
1594 ERR_print_errors(bio_err);
1599 * If CT validation is not enabled, the log list isn't needed so don't
1600 * show errors or abort. We try to load it regardless because then we
1601 * can show the names of the logs any SCTs came from (SCTs may be seen
1602 * even with validation disabled).
1608 SSL_CTX_set_verify(ctx, verify, verify_callback);
1610 if (!ctx_set_verify_locations(ctx, CAfile, CApath, noCAfile, noCApath)) {
1611 ERR_print_errors(bio_err);
1615 ssl_ctx_add_crls(ctx, crls, crl_download);
1617 if (!set_cert_key_stuff(ctx, cert, key, chain, build_chain))
1620 if (servername != NULL) {
1621 tlsextcbp.biodebug = bio_err;
1622 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1623 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1625 # ifndef OPENSSL_NO_SRP
1626 if (srp_arg.srplogin) {
1627 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin)) {
1628 BIO_printf(bio_err, "Unable to set SRP username\n");
1631 srp_arg.msg = c_msg;
1632 srp_arg.debug = c_debug;
1633 SSL_CTX_set_srp_cb_arg(ctx, &srp_arg);
1634 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb);
1635 SSL_CTX_set_srp_strength(ctx, srp_arg.strength);
1636 if (c_msg || c_debug || srp_arg.amp == 0)
1637 SSL_CTX_set_srp_verify_param_callback(ctx,
1638 ssl_srp_verify_param_cb);
1642 if (dane_tlsa_domain != NULL) {
1643 if (SSL_CTX_dane_enable(ctx) <= 0) {
1645 "%s: Error enabling DANE TLSA authentication.\n",
1647 ERR_print_errors(bio_err);
1655 BIO *stmp = BIO_new_file(sess_in, "r");
1657 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1658 ERR_print_errors(bio_err);
1661 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1664 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1665 ERR_print_errors(bio_err);
1668 if (!SSL_set_session(con, sess)) {
1669 BIO_printf(bio_err, "Can't set session\n");
1670 ERR_print_errors(bio_err);
1673 SSL_SESSION_free(sess);
1677 SSL_set_mode(con, SSL_MODE_SEND_FALLBACK_SCSV);
1679 if (servername != NULL) {
1680 if (!SSL_set_tlsext_host_name(con, servername)) {
1681 BIO_printf(bio_err, "Unable to set TLS servername extension.\n");
1682 ERR_print_errors(bio_err);
1687 if (dane_tlsa_domain != NULL) {
1688 if (SSL_dane_enable(con, dane_tlsa_domain) <= 0) {
1689 BIO_printf(bio_err, "%s: Error enabling DANE TLSA "
1690 "authentication.\n", prog);
1691 ERR_print_errors(bio_err);
1694 if (dane_tlsa_rrset == NULL) {
1695 BIO_printf(bio_err, "%s: DANE TLSA authentication requires at "
1696 "least one -dane_tlsa_rrset option.\n", prog);
1699 if (tlsa_import_rrset(con, dane_tlsa_rrset) <= 0) {
1700 BIO_printf(bio_err, "%s: Failed to import any TLSA "
1701 "records.\n", prog);
1704 } else if (dane_tlsa_rrset != NULL) {
1705 BIO_printf(bio_err, "%s: DANE TLSA authentication requires the "
1706 "-dane_tlsa_domain option.\n", prog);
1711 if (init_client(&s, host, port, socket_family, socket_type) == 0) {
1712 BIO_printf(bio_err, "connect:errno=%d\n", get_last_socket_error());
1716 BIO_printf(bio_c_out, "CONNECTED(%08X)\n", s);
1719 if (!BIO_socket_nbio(s, 1)) {
1720 ERR_print_errors(bio_err);
1723 BIO_printf(bio_c_out, "Turned on non blocking io\n");
1725 #ifndef OPENSSL_NO_DTLS
1726 if (socket_type == SOCK_DGRAM) {
1727 union BIO_sock_info_u peer_info;
1729 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
1730 if ((peer_info.addr = BIO_ADDR_new()) == NULL) {
1731 BIO_printf(bio_err, "memory allocation failure\n");
1735 if (!BIO_sock_info(s, BIO_SOCK_INFO_ADDRESS, &peer_info)) {
1736 BIO_printf(bio_err, "getsockname:errno=%d\n",
1737 get_last_socket_error());
1738 BIO_ADDR_free(peer_info.addr);
1743 (void)BIO_ctrl_set_connected(sbio, peer_info.addr);
1744 BIO_ADDR_free(peer_info.addr);
1745 peer_info.addr = NULL;
1747 if (enable_timeouts) {
1749 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1750 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1753 timeout.tv_usec = DGRAM_SND_TIMEOUT;
1754 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1758 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
1759 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
1760 DTLS_get_link_min_mtu(con));
1764 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1765 if (!DTLS_set_link_mtu(con, socket_mtu)) {
1766 BIO_printf(bio_err, "Failed to set MTU\n");
1771 /* want to do MTU discovery */
1772 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1774 #endif /* OPENSSL_NO_DTLS */
1775 sbio = BIO_new_socket(s, BIO_NOCLOSE);
1780 test = BIO_new(BIO_f_nbio_test());
1781 sbio = BIO_push(test, sbio);
1785 BIO_set_callback(sbio, bio_dump_callback);
1786 BIO_set_callback_arg(sbio, (char *)bio_c_out);
1789 #ifndef OPENSSL_NO_SSL_TRACE
1791 SSL_set_msg_callback(con, SSL_trace);
1794 SSL_set_msg_callback(con, msg_cb);
1795 SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out);
1798 if (c_tlsextdebug) {
1799 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1800 SSL_set_tlsext_debug_arg(con, bio_c_out);
1802 #ifndef OPENSSL_NO_OCSP
1804 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
1805 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
1806 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
1810 SSL_set_bio(con, sbio, sbio);
1811 SSL_set_connect_state(con);
1813 /* ok, lets connect */
1814 width = SSL_get_fd(con) + 1;
1827 switch ((PROTOCOL_CHOICE) starttls_proto) {
1833 * This is an ugly hack that does a lot of assumptions. We do
1834 * have to handle multi-line responses which may come in a single
1835 * packet or not. We therefore have to use BIO_gets() which does
1836 * need a buffering BIO. So during the initial chitchat we do
1837 * push a buffering BIO into the chain that is removed again
1838 * later on to not disturb the rest of the s_client operation.
1841 BIO *fbio = BIO_new(BIO_f_buffer());
1842 BIO_push(fbio, sbio);
1843 /* wait for multi-line response to end from SMTP */
1845 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1847 while (mbuf_len > 3 && mbuf[3] == '-');
1848 BIO_printf(fbio, "EHLO %s\r\n", ehlo);
1849 (void)BIO_flush(fbio);
1850 /* wait for multi-line response to end EHLO SMTP response */
1852 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1853 if (strstr(mbuf, "STARTTLS"))
1856 while (mbuf_len > 3 && mbuf[3] == '-');
1857 (void)BIO_flush(fbio);
1862 "didn't find starttls in server response,"
1863 " trying anyway...\n");
1864 BIO_printf(sbio, "STARTTLS\r\n");
1865 BIO_read(sbio, sbuf, BUFSIZZ);
1870 BIO_read(sbio, mbuf, BUFSIZZ);
1871 BIO_printf(sbio, "STLS\r\n");
1872 mbuf_len = BIO_read(sbio, sbuf, BUFSIZZ);
1874 BIO_printf(bio_err, "BIO_read failed\n");
1882 BIO *fbio = BIO_new(BIO_f_buffer());
1883 BIO_push(fbio, sbio);
1884 BIO_gets(fbio, mbuf, BUFSIZZ);
1885 /* STARTTLS command requires CAPABILITY... */
1886 BIO_printf(fbio, ". CAPABILITY\r\n");
1887 (void)BIO_flush(fbio);
1888 /* wait for multi-line CAPABILITY response */
1890 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1891 if (strstr(mbuf, "STARTTLS"))
1894 while (mbuf_len > 3 && mbuf[0] != '.');
1895 (void)BIO_flush(fbio);
1900 "didn't find STARTTLS in server response,"
1901 " trying anyway...\n");
1902 BIO_printf(sbio, ". STARTTLS\r\n");
1903 BIO_read(sbio, sbuf, BUFSIZZ);
1908 BIO *fbio = BIO_new(BIO_f_buffer());
1909 BIO_push(fbio, sbio);
1910 /* wait for multi-line response to end from FTP */
1912 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1914 while (mbuf_len > 3 && mbuf[3] == '-');
1915 (void)BIO_flush(fbio);
1918 BIO_printf(sbio, "AUTH TLS\r\n");
1919 BIO_read(sbio, sbuf, BUFSIZZ);
1923 case PROTO_XMPP_SERVER:
1926 BIO_printf(sbio, "<stream:stream "
1927 "xmlns:stream='http://etherx.jabber.org/streams' "
1928 "xmlns='jabber:%s' to='%s' version='1.0'>",
1929 starttls_proto == PROTO_XMPP ? "client" : "server",
1930 xmpphost ? xmpphost : host);
1931 seen = BIO_read(sbio, mbuf, BUFSIZZ);
1934 (mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")
1936 "<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\""))
1938 seen = BIO_read(sbio, mbuf, BUFSIZZ);
1946 "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
1947 seen = BIO_read(sbio, sbuf, BUFSIZZ);
1949 if (!strstr(sbuf, "<proceed"))
1956 static const unsigned char tls_do[] = {
1957 /* IAC DO START_TLS */
1960 static const unsigned char tls_will[] = {
1961 /* IAC WILL START_TLS */
1964 static const unsigned char tls_follows[] = {
1965 /* IAC SB START_TLS FOLLOWS IAC SE */
1966 255, 250, 46, 1, 255, 240
1970 /* Telnet server should demand we issue START_TLS */
1971 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
1972 if (bytes != 3 || memcmp(mbuf, tls_do, 3) != 0)
1974 /* Agree to issue START_TLS and send the FOLLOWS sub-command */
1975 BIO_write(sbio, tls_will, 3);
1976 BIO_write(sbio, tls_follows, 6);
1977 (void)BIO_flush(sbio);
1978 /* Telnet server also sent the FOLLOWS sub-command */
1979 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
1980 if (bytes != 6 || memcmp(mbuf, tls_follows, 6) != 0)
1987 BIO *fbio = BIO_new(BIO_f_buffer());
1989 BIO_push(fbio, sbio);
1990 BIO_printf(fbio, "CONNECT %s HTTP/1.0\r\n\r\n", connectstr);
1991 (void)BIO_flush(fbio);
1992 /* wait for multi-line response to end CONNECT response */
1994 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1995 if (strstr(mbuf, "200") != NULL
1996 && strstr(mbuf, "established") != NULL)
1998 } while (mbuf_len > 3 && foundit == 0);
1999 (void)BIO_flush(fbio);
2003 BIO_printf(bio_err, "%s: HTTP CONNECT failed\n", prog);
2011 BIO *fbio = BIO_new(BIO_f_buffer());
2013 BIO_push(fbio, sbio);
2014 BIO_printf(fbio, "STARTTLS\r\n");
2015 (void)BIO_flush(fbio);
2016 width = SSL_get_fd(con) + 1;
2022 openssl_fdset(SSL_get_fd(con), &readfds);
2023 timeout.tv_sec = S_CLIENT_IRC_READ_TIMEOUT;
2024 timeout.tv_usec = 0;
2026 * If the IRCd doesn't respond within
2027 * S_CLIENT_IRC_READ_TIMEOUT seconds, assume
2028 * it doesn't support STARTTLS. Many IRCds
2029 * will not give _any_ sort of response to a
2030 * STARTTLS command when it's not supported.
2032 if (!BIO_get_buffer_num_lines(fbio)
2033 && !BIO_pending(fbio)
2034 && !BIO_pending(sbio)
2035 && select(width, (void *)&readfds, NULL, NULL,
2038 "Timeout waiting for response (%d seconds).\n",
2039 S_CLIENT_IRC_READ_TIMEOUT);
2043 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2044 if (mbuf_len < 1 || sscanf(mbuf, "%*s %d", &numeric) != 1)
2046 /* :example.net 451 STARTTLS :You have not registered */
2047 /* :example.net 421 STARTTLS :Unknown command */
2048 if ((numeric == 451 || numeric == 421)
2049 && strstr(mbuf, "STARTTLS") != NULL) {
2050 BIO_printf(bio_err, "STARTTLS not supported: %s", mbuf);
2053 if (numeric == 691) {
2054 BIO_printf(bio_err, "STARTTLS negotiation failed: ");
2055 ERR_print_errors(bio_err);
2058 } while (numeric != 670);
2060 (void)BIO_flush(fbio);
2063 if (numeric != 670) {
2064 BIO_printf(bio_err, "Server does not support STARTTLS.\n");
2075 if ((SSL_version(con) == DTLS1_VERSION) &&
2076 DTLSv1_get_timeout(con, &timeout))
2077 timeoutp = &timeout;
2081 if (SSL_in_init(con) && !SSL_total_renegotiations(con)) {
2089 if (servername != NULL && !SSL_session_reused(con)) {
2090 BIO_printf(bio_c_out,
2091 "Server did %sacknowledge servername extension.\n",
2092 tlsextcbp.ack ? "" : "not ");
2096 BIO *stmp = BIO_new_file(sess_out, "w");
2098 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));
2101 BIO_printf(bio_err, "Error writing session file %s\n",
2105 BIO_puts(bio_err, "CONNECTION ESTABLISHED\n");
2106 print_ssl_summary(con);
2109 print_stuff(bio_c_out, con, full_log);
2113 if (starttls_proto) {
2114 BIO_write(bio_err, mbuf, mbuf_len);
2115 /* We don't need to know any more */
2117 starttls_proto = PROTO_OFF;
2122 BIO_printf(bio_c_out,
2123 "drop connection and then reconnect\n");
2124 do_ssl_shutdown(con);
2125 SSL_set_connect_state(con);
2126 BIO_closesocket(SSL_get_fd(con));
2132 ssl_pending = read_ssl && SSL_has_pending(con);
2135 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
2138 * Note that select() returns when read _would not block_,
2139 * and EOF satisfies that. To avoid a CPU-hogging loop,
2140 * set the flag so we exit.
2142 if (read_tty && !at_eof)
2143 openssl_fdset(fileno(stdin), &readfds);
2145 openssl_fdset(fileno(stdout), &writefds);
2148 openssl_fdset(SSL_get_fd(con), &readfds);
2150 openssl_fdset(SSL_get_fd(con), &writefds);
2152 if (!tty_on || !write_tty) {
2154 openssl_fdset(SSL_get_fd(con), &readfds);
2156 openssl_fdset(SSL_get_fd(con), &writefds);
2161 * Note: under VMS with SOCKETSHR the second parameter is
2162 * currently of type (int *) whereas under other systems it is
2163 * (void *) if you don't have a cast it will choke the compiler:
2164 * if you do have a cast then you can either go for (int *) or
2167 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2169 * Under Windows/DOS we make the assumption that we can always
2170 * write to the tty: therefore if we need to write to the tty we
2171 * just fall through. Otherwise we timeout the select every
2172 * second and see if there are any keypresses. Note: this is a
2173 * hack, in a proper Windows application we wouldn't do this.
2180 i = select(width, (void *)&readfds, (void *)&writefds,
2182 if (!i && (!has_stdin_waiting() || !read_tty))
2185 i = select(width, (void *)&readfds, (void *)&writefds,
2189 i = select(width, (void *)&readfds, (void *)&writefds,
2193 BIO_printf(bio_err, "bad select %d\n",
2194 get_last_socket_error());
2200 if ((SSL_version(con) == DTLS1_VERSION)
2201 && DTLSv1_handle_timeout(con) > 0) {
2202 BIO_printf(bio_err, "TIMEOUT occurred\n");
2205 if (!ssl_pending && FD_ISSET(SSL_get_fd(con), &writefds)) {
2206 k = SSL_write(con, &(cbuf[cbuf_off]), (unsigned int)cbuf_len);
2207 switch (SSL_get_error(con, k)) {
2208 case SSL_ERROR_NONE:
2213 /* we have done a write(con,NULL,0); */
2214 if (cbuf_len <= 0) {
2217 } else { /* if (cbuf_len > 0) */
2223 case SSL_ERROR_WANT_WRITE:
2224 BIO_printf(bio_c_out, "write W BLOCK\n");
2228 case SSL_ERROR_WANT_ASYNC:
2229 BIO_printf(bio_c_out, "write A BLOCK\n");
2230 wait_for_async(con);
2234 case SSL_ERROR_WANT_READ:
2235 BIO_printf(bio_c_out, "write R BLOCK\n");
2240 case SSL_ERROR_WANT_X509_LOOKUP:
2241 BIO_printf(bio_c_out, "write X BLOCK\n");
2243 case SSL_ERROR_ZERO_RETURN:
2244 if (cbuf_len != 0) {
2245 BIO_printf(bio_c_out, "shutdown\n");
2254 case SSL_ERROR_SYSCALL:
2255 if ((k != 0) || (cbuf_len != 0)) {
2256 BIO_printf(bio_err, "write:errno=%d\n",
2257 get_last_socket_error());
2264 case SSL_ERROR_WANT_ASYNC_JOB:
2265 /* This shouldn't ever happen in s_client - treat as an error */
2267 ERR_print_errors(bio_err);
2271 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2272 /* Assume Windows/DOS/BeOS can always write */
2273 else if (!ssl_pending && write_tty)
2275 else if (!ssl_pending && FD_ISSET(fileno(stdout), &writefds))
2278 #ifdef CHARSET_EBCDIC
2279 ascii2ebcdic(&(sbuf[sbuf_off]), &(sbuf[sbuf_off]), sbuf_len);
2281 i = raw_write_stdout(&(sbuf[sbuf_off]), sbuf_len);
2284 BIO_printf(bio_c_out, "DONE\n");
2292 if (sbuf_len <= 0) {
2296 } else if (ssl_pending || FD_ISSET(SSL_get_fd(con), &readfds)) {
2301 SSL_renegotiate(con);
2306 k = SSL_read(con, sbuf, 1024 /* BUFSIZZ */ );
2308 switch (SSL_get_error(con, k)) {
2309 case SSL_ERROR_NONE:
2318 case SSL_ERROR_WANT_ASYNC:
2319 BIO_printf(bio_c_out, "read A BLOCK\n");
2320 wait_for_async(con);
2323 if ((read_tty == 0) && (write_ssl == 0))
2326 case SSL_ERROR_WANT_WRITE:
2327 BIO_printf(bio_c_out, "read W BLOCK\n");
2331 case SSL_ERROR_WANT_READ:
2332 BIO_printf(bio_c_out, "read R BLOCK\n");
2335 if ((read_tty == 0) && (write_ssl == 0))
2338 case SSL_ERROR_WANT_X509_LOOKUP:
2339 BIO_printf(bio_c_out, "read X BLOCK\n");
2341 case SSL_ERROR_SYSCALL:
2342 ret = get_last_socket_error();
2344 BIO_puts(bio_err, "CONNECTION CLOSED BY SERVER\n");
2346 BIO_printf(bio_err, "read:errno=%d\n", ret);
2348 case SSL_ERROR_ZERO_RETURN:
2349 BIO_printf(bio_c_out, "closed\n");
2352 case SSL_ERROR_WANT_ASYNC_JOB:
2353 /* This shouldn't ever happen in s_client. Treat as an error */
2355 ERR_print_errors(bio_err);
2360 /* OPENSSL_SYS_MSDOS includes OPENSSL_SYS_WINDOWS */
2361 #if defined(OPENSSL_SYS_MSDOS)
2362 else if (has_stdin_waiting())
2364 else if (FD_ISSET(fileno(stdin), &readfds))
2370 i = raw_read_stdin(cbuf, BUFSIZZ / 2);
2372 /* both loops are skipped when i <= 0 */
2373 for (j = 0; j < i; j++)
2374 if (cbuf[j] == '\n')
2376 for (j = i - 1; j >= 0; j--) {
2377 cbuf[j + lf_num] = cbuf[j];
2378 if (cbuf[j] == '\n') {
2381 cbuf[j + lf_num] = '\r';
2384 assert(lf_num == 0);
2386 i = raw_read_stdin(cbuf, BUFSIZZ);
2391 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q' && cmdletters))) {
2392 BIO_printf(bio_err, "DONE\n");
2397 if ((!c_ign_eof) && (cbuf[0] == 'R' && cmdletters)) {
2398 BIO_printf(bio_err, "RENEGOTIATING\n");
2399 SSL_renegotiate(con);
2402 #ifndef OPENSSL_NO_HEARTBEATS
2403 else if ((!c_ign_eof) && (cbuf[0] == 'B' && cmdletters)) {
2404 BIO_printf(bio_err, "HEARTBEATING\n");
2412 #ifdef CHARSET_EBCDIC
2413 ebcdic2ascii(cbuf, cbuf, i);
2425 print_stuff(bio_c_out, con, full_log);
2426 do_ssl_shutdown(con);
2427 #if defined(OPENSSL_SYS_WINDOWS)
2429 * Give the socket time to send its last data before we close it.
2430 * No amount of setting SO_LINGER etc on the socket seems to persuade
2431 * Windows to send the data before closing the socket...but sleeping
2432 * for a short time seems to do it (units in ms)
2433 * TODO: Find a better way to do this
2437 BIO_closesocket(SSL_get_fd(con));
2441 print_stuff(bio_c_out, con, 1);
2444 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2445 OPENSSL_free(next_proto.data);
2449 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2451 sk_X509_pop_free(chain, X509_free);
2453 #ifndef OPENSSL_NO_SRP
2454 OPENSSL_free(srp_arg.srppassin);
2458 X509_VERIFY_PARAM_free(vpm);
2459 ssl_excert_free(exc);
2460 sk_OPENSSL_STRING_free(ssl_args);
2461 sk_OPENSSL_STRING_free(dane_tlsa_rrset);
2462 SSL_CONF_CTX_free(cctx);
2463 OPENSSL_clear_free(cbuf, BUFSIZZ);
2464 OPENSSL_clear_free(sbuf, BUFSIZZ);
2465 OPENSSL_clear_free(mbuf, BUFSIZZ);
2466 BIO_free(bio_c_out);
2468 BIO_free(bio_c_msg);
2473 static void print_stuff(BIO *bio, SSL *s, int full)
2478 STACK_OF(X509_NAME) *sk2;
2479 const SSL_CIPHER *c;
2482 #ifndef OPENSSL_NO_COMP
2483 const COMP_METHOD *comp, *expansion;
2485 unsigned char *exportedkeymat;
2486 #ifndef OPENSSL_NO_CT
2487 const SSL_CTX *ctx = SSL_get_SSL_CTX(s);
2491 int got_a_chain = 0;
2493 sk = SSL_get_peer_cert_chain(s);
2497 BIO_printf(bio, "---\nCertificate chain\n");
2498 for (i = 0; i < sk_X509_num(sk); i++) {
2499 X509_NAME_oneline(X509_get_subject_name(sk_X509_value(sk, i)),
2501 BIO_printf(bio, "%2d s:%s\n", i, buf);
2502 X509_NAME_oneline(X509_get_issuer_name(sk_X509_value(sk, i)),
2504 BIO_printf(bio, " i:%s\n", buf);
2506 PEM_write_bio_X509(bio, sk_X509_value(sk, i));
2510 BIO_printf(bio, "---\n");
2511 peer = SSL_get_peer_certificate(s);
2513 BIO_printf(bio, "Server certificate\n");
2515 /* Redundant if we showed the whole chain */
2516 if (!(c_showcerts && got_a_chain))
2517 PEM_write_bio_X509(bio, peer);
2518 X509_NAME_oneline(X509_get_subject_name(peer), buf, sizeof buf);
2519 BIO_printf(bio, "subject=%s\n", buf);
2520 X509_NAME_oneline(X509_get_issuer_name(peer), buf, sizeof buf);
2521 BIO_printf(bio, "issuer=%s\n", buf);
2523 BIO_printf(bio, "no peer certificate available\n");
2525 sk2 = SSL_get_client_CA_list(s);
2526 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0)) {
2527 BIO_printf(bio, "---\nAcceptable client certificate CA names\n");
2528 for (i = 0; i < sk_X509_NAME_num(sk2); i++) {
2529 xn = sk_X509_NAME_value(sk2, i);
2530 X509_NAME_oneline(xn, buf, sizeof(buf));
2531 BIO_write(bio, buf, strlen(buf));
2532 BIO_write(bio, "\n", 1);
2535 BIO_printf(bio, "---\nNo client certificate CA names sent\n");
2538 ssl_print_sigalgs(bio, s);
2539 ssl_print_tmp_key(bio, s);
2541 #ifndef OPENSSL_NO_CT
2543 * When the SSL session is anonymous, or resumed via an abbreviated
2544 * handshake, no SCTs are provided as part of the handshake. While in
2545 * a resumed session SCTs may be present in the session's certificate,
2546 * no callbacks are invoked to revalidate these, and in any case that
2547 * set of SCTs may be incomplete. Thus it makes little sense to
2548 * attempt to display SCTs from a resumed session's certificate, and of
2549 * course none are associated with an anonymous peer.
2551 if (peer != NULL && !SSL_session_reused(s) && SSL_ct_is_enabled(s)) {
2552 const STACK_OF(SCT) *scts = SSL_get0_peer_scts(s);
2553 int sct_count = scts != NULL ? sk_SCT_num(scts) : 0;
2555 BIO_printf(bio, "---\nSCTs present (%i)\n", sct_count);
2556 if (sct_count > 0) {
2557 const CTLOG_STORE *log_store = SSL_CTX_get0_ctlog_store(ctx);
2559 BIO_printf(bio, "---\n");
2560 for (i = 0; i < sct_count; ++i) {
2561 SCT *sct = sk_SCT_value(scts, i);
2563 BIO_printf(bio, "SCT validation status: %s\n",
2564 SCT_validation_status_string(sct));
2565 SCT_print(sct, bio, 0, log_store);
2566 if (i < sct_count - 1)
2567 BIO_printf(bio, "\n---\n");
2569 BIO_printf(bio, "\n");
2575 "---\nSSL handshake has read %" PRIu64
2576 " bytes and written %" PRIu64 " bytes\n",
2577 BIO_number_read(SSL_get_rbio(s)),
2578 BIO_number_written(SSL_get_wbio(s)));
2580 print_verify_detail(s, bio);
2581 BIO_printf(bio, (SSL_session_reused(s) ? "---\nReused, " : "---\nNew, "));
2582 c = SSL_get_current_cipher(s);
2583 BIO_printf(bio, "%s, Cipher is %s\n",
2584 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
2588 pktmp = X509_get0_pubkey(peer);
2589 BIO_printf(bio, "Server public key is %d bit\n",
2590 EVP_PKEY_bits(pktmp));
2592 BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
2593 SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
2594 #ifndef OPENSSL_NO_COMP
2595 comp = SSL_get_current_compression(s);
2596 expansion = SSL_get_current_expansion(s);
2597 BIO_printf(bio, "Compression: %s\n",
2598 comp ? SSL_COMP_get_name(comp) : "NONE");
2599 BIO_printf(bio, "Expansion: %s\n",
2600 expansion ? SSL_COMP_get_name(expansion) : "NONE");
2605 /* Print out local port of connection: useful for debugging */
2607 union BIO_sock_info_u info;
2609 sock = SSL_get_fd(s);
2610 if ((info.addr = BIO_ADDR_new()) != NULL
2611 && BIO_sock_info(sock, BIO_SOCK_INFO_ADDRESS, &info)) {
2612 BIO_printf(bio_c_out, "LOCAL PORT is %u\n",
2613 ntohs(BIO_ADDR_rawport(info.addr)));
2615 BIO_ADDR_free(info.addr);
2619 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2620 if (next_proto.status != -1) {
2621 const unsigned char *proto;
2622 unsigned int proto_len;
2623 SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
2624 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
2625 BIO_write(bio, proto, proto_len);
2626 BIO_write(bio, "\n", 1);
2630 const unsigned char *proto;
2631 unsigned int proto_len;
2632 SSL_get0_alpn_selected(s, &proto, &proto_len);
2633 if (proto_len > 0) {
2634 BIO_printf(bio, "ALPN protocol: ");
2635 BIO_write(bio, proto, proto_len);
2636 BIO_write(bio, "\n", 1);
2638 BIO_printf(bio, "No ALPN negotiated\n");
2641 #ifndef OPENSSL_NO_SRTP
2643 SRTP_PROTECTION_PROFILE *srtp_profile =
2644 SSL_get_selected_srtp_profile(s);
2647 BIO_printf(bio, "SRTP Extension negotiated, profile=%s\n",
2648 srtp_profile->name);
2652 SSL_SESSION_print(bio, SSL_get_session(s));
2653 if (SSL_get_session(s) != NULL && keymatexportlabel != NULL) {
2654 BIO_printf(bio, "Keying material exporter:\n");
2655 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel);
2656 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen);
2657 exportedkeymat = app_malloc(keymatexportlen, "export key");
2658 if (!SSL_export_keying_material(s, exportedkeymat,
2661 strlen(keymatexportlabel),
2663 BIO_printf(bio, " Error\n");
2665 BIO_printf(bio, " Keying material: ");
2666 for (i = 0; i < keymatexportlen; i++)
2667 BIO_printf(bio, "%02X", exportedkeymat[i]);
2668 BIO_printf(bio, "\n");
2670 OPENSSL_free(exportedkeymat);
2672 BIO_printf(bio, "---\n");
2674 /* flush, or debugging output gets mixed with http response */
2675 (void)BIO_flush(bio);
2678 # ifndef OPENSSL_NO_OCSP
2679 static int ocsp_resp_cb(SSL *s, void *arg)
2681 const unsigned char *p;
2684 len = SSL_get_tlsext_status_ocsp_resp(s, &p);
2685 BIO_puts(arg, "OCSP response: ");
2687 BIO_puts(arg, "no response sent\n");
2690 rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
2692 BIO_puts(arg, "response parse error\n");
2693 BIO_dump_indent(arg, (char *)p, len, 4);
2696 BIO_puts(arg, "\n======================================\n");
2697 OCSP_RESPONSE_print(arg, rsp, 0);
2698 BIO_puts(arg, "======================================\n");
2699 OCSP_RESPONSE_free(rsp);
2704 #endif /* OPENSSL_NO_SOCK */