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;
92 static int c_nbio = 0;
93 static int c_tlsextdebug = 0;
94 static int c_status_req = 0;
95 static int c_debug = 0;
97 static int c_showcerts = 0;
98 static char *keymatexportlabel = NULL;
99 static int keymatexportlen = 20;
100 static BIO *bio_c_out = NULL;
101 static BIO *bio_c_msg = NULL;
102 static int c_quiet = 0;
103 static int c_ign_eof = 0;
104 static int c_brief = 0;
106 static void print_stuff(BIO *berr, SSL *con, int full);
107 #ifndef OPENSSL_NO_OCSP
108 static int ocsp_resp_cb(SSL *s, void *arg);
111 static int saved_errno;
113 static void save_errno(void)
119 static int restore_errno(void)
126 static void do_ssl_shutdown(SSL *ssl)
131 /* We only do unidirectional shutdown */
132 ret = SSL_shutdown(ssl);
134 switch (SSL_get_error(ssl, ret)) {
135 case SSL_ERROR_WANT_READ:
136 case SSL_ERROR_WANT_WRITE:
137 case SSL_ERROR_WANT_ASYNC:
138 case SSL_ERROR_WANT_ASYNC_JOB:
139 /* We just do busy waiting. Nothing clever */
148 #ifndef OPENSSL_NO_PSK
149 /* Default PSK identity and key */
150 static char *psk_identity = "Client_identity";
152 * char *psk_key=NULL; by default PSK is not used
155 static unsigned int psk_client_cb(SSL *ssl, const char *hint, char *identity,
156 unsigned int max_identity_len,
158 unsigned int max_psk_len)
160 unsigned int psk_len = 0;
165 BIO_printf(bio_c_out, "psk_client_cb\n");
167 /* no ServerKeyExchange message */
169 BIO_printf(bio_c_out,
170 "NULL received PSK identity hint, continuing anyway\n");
172 BIO_printf(bio_c_out, "Received PSK identity hint '%s'\n", hint);
175 * lookup PSK identity and PSK key based on the given identity hint here
177 ret = BIO_snprintf(identity, max_identity_len, "%s", psk_identity);
178 if (ret < 0 || (unsigned int)ret > max_identity_len)
181 BIO_printf(bio_c_out, "created identity '%s' len=%d\n", identity,
183 ret = BN_hex2bn(&bn, psk_key);
185 BIO_printf(bio_err, "Could not convert PSK key '%s' to BIGNUM\n",
191 if ((unsigned int)BN_num_bytes(bn) > max_psk_len) {
193 "psk buffer of callback is too small (%d) for key (%d)\n",
194 max_psk_len, BN_num_bytes(bn));
199 psk_len = BN_bn2bin(bn, psk);
205 BIO_printf(bio_c_out, "created PSK len=%d\n", psk_len);
210 BIO_printf(bio_err, "Error in PSK client callback\n");
215 /* This is a context that we pass to callbacks */
216 typedef struct tlsextctx_st {
221 static int ssl_servername_cb(SSL *s, int *ad, void *arg)
223 tlsextctx *p = (tlsextctx *) arg;
224 const char *hn = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
225 if (SSL_get_servername_type(s) != -1)
226 p->ack = !SSL_session_reused(s) && hn != NULL;
228 BIO_printf(bio_err, "Can't use SSL_get_servername\n");
230 return SSL_TLSEXT_ERR_OK;
233 #ifndef OPENSSL_NO_SRP
235 /* This is a context that we pass to all callbacks */
236 typedef struct srp_arg_st {
239 int msg; /* copy from c_msg */
240 int debug; /* copy from c_debug */
241 int amp; /* allow more groups */
242 int strength; /* minimal size for N */
245 # define SRP_NUMBER_ITERATIONS_FOR_PRIME 64
247 static int srp_Verify_N_and_g(const BIGNUM *N, const BIGNUM *g)
249 BN_CTX *bn_ctx = BN_CTX_new();
250 BIGNUM *p = BN_new();
251 BIGNUM *r = BN_new();
253 g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) &&
254 BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
255 p != NULL && BN_rshift1(p, N) &&
257 BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
259 /* verify g^((N-1)/2) == -1 (mod N) */
260 BN_mod_exp(r, g, p, N, bn_ctx) &&
261 BN_add_word(r, 1) && BN_cmp(r, N) == 0;
270 * This callback is used here for two purposes:
271 * - extended debugging
272 * - making some primality tests for unknown groups
273 * The callback is only called for a non default group.
275 * An application does not need the call back at all if
276 * only the standard groups are used. In real life situations,
277 * client and server already share well known groups,
278 * thus there is no need to verify them.
279 * Furthermore, in case that a server actually proposes a group that
280 * is not one of those defined in RFC 5054, it is more appropriate
281 * to add the group to a static list and then compare since
282 * primality tests are rather cpu consuming.
285 static int ssl_srp_verify_param_cb(SSL *s, void *arg)
287 SRP_ARG *srp_arg = (SRP_ARG *)arg;
288 BIGNUM *N = NULL, *g = NULL;
290 if (((N = SSL_get_srp_N(s)) == NULL) || ((g = SSL_get_srp_g(s)) == NULL))
292 if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1) {
293 BIO_printf(bio_err, "SRP parameters:\n");
294 BIO_printf(bio_err, "\tN=");
295 BN_print(bio_err, N);
296 BIO_printf(bio_err, "\n\tg=");
297 BN_print(bio_err, g);
298 BIO_printf(bio_err, "\n");
301 if (SRP_check_known_gN_param(g, N))
304 if (srp_arg->amp == 1) {
307 "SRP param N and g are not known params, going to check deeper.\n");
310 * The srp_moregroups is a real debugging feature. Implementors
311 * should rather add the value to the known ones. The minimal size
312 * has already been tested.
314 if (BN_num_bits(g) <= BN_BITS && srp_Verify_N_and_g(N, g))
317 BIO_printf(bio_err, "SRP param N and g rejected.\n");
321 # define PWD_STRLEN 1024
323 static char *ssl_give_srp_client_pwd_cb(SSL *s, void *arg)
325 SRP_ARG *srp_arg = (SRP_ARG *)arg;
326 char *pass = app_malloc(PWD_STRLEN + 1, "SRP password buffer");
330 cb_tmp.password = (char *)srp_arg->srppassin;
331 cb_tmp.prompt_info = "SRP user";
332 if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp)) < 0) {
333 BIO_printf(bio_err, "Can't read Password\n");
344 static char *srtp_profiles = NULL;
346 #ifndef OPENSSL_NO_NEXTPROTONEG
347 /* This the context that we pass to next_proto_cb */
348 typedef struct tlsextnextprotoctx_st {
352 } tlsextnextprotoctx;
354 static tlsextnextprotoctx next_proto;
356 static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen,
357 const unsigned char *in, unsigned int inlen,
360 tlsextnextprotoctx *ctx = arg;
363 /* We can assume that |in| is syntactically valid. */
365 BIO_printf(bio_c_out, "Protocols advertised by server: ");
366 for (i = 0; i < inlen;) {
368 BIO_write(bio_c_out, ", ", 2);
369 BIO_write(bio_c_out, &in[i + 1], in[i]);
372 BIO_write(bio_c_out, "\n", 1);
376 SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len);
377 return SSL_TLSEXT_ERR_OK;
379 #endif /* ndef OPENSSL_NO_NEXTPROTONEG */
381 static int serverinfo_cli_parse_cb(SSL *s, unsigned int ext_type,
382 const unsigned char *in, size_t inlen,
386 unsigned char ext_buf[4 + 65536];
388 /* Reconstruct the type/len fields prior to extension data */
389 ext_buf[0] = ext_type >> 8;
390 ext_buf[1] = ext_type & 0xFF;
391 ext_buf[2] = inlen >> 8;
392 ext_buf[3] = inlen & 0xFF;
393 memcpy(ext_buf + 4, in, inlen);
395 BIO_snprintf(pem_name, sizeof(pem_name), "SERVERINFO FOR EXTENSION %d",
397 PEM_write_bio(bio_c_out, pem_name, "", ext_buf, 4 + inlen);
402 * Hex decoder that tolerates optional whitespace. Returns number of bytes
403 * produced, advances inptr to end of input string.
405 static ossl_ssize_t hexdecode(const char **inptr, void *result)
407 unsigned char **out = (unsigned char **)result;
408 const char *in = *inptr;
409 unsigned char *ret = app_malloc(strlen(in)/2, "hexdecode");
410 unsigned char *cp = ret;
417 for (byte = 0; *in; ++in) {
420 if (isspace(_UC(*in)))
422 x = OPENSSL_hexchar2int(*in);
428 if ((nibble ^= 1) == 0) {
441 return cp - (*out = ret);
445 * Decode unsigned 0..255, returns 1 on success, <= 0 on failure. Advances
446 * inptr to next field skipping leading whitespace.
448 static ossl_ssize_t checked_uint8(const char **inptr, void *out)
450 uint8_t *result = (uint8_t *)out;
451 const char *in = *inptr;
457 v = strtol(in, &endp, 10);
460 if (((v == LONG_MIN || v == LONG_MAX) && e == ERANGE) ||
461 endp == in || !isspace(_UC(*endp)) ||
462 v != (*result = (uint8_t) v)) {
465 for (in = endp; isspace(_UC(*in)); ++in)
475 ossl_ssize_t (*parser)(const char **, void *);
478 static int tlsa_import_rr(SSL *con, const char *rrdata)
480 /* Not necessary to re-init these values; the "parsers" do that. */
481 static uint8_t usage;
482 static uint8_t selector;
483 static uint8_t mtype;
484 static unsigned char *data;
485 static struct tlsa_field tlsa_fields[] = {
486 { &usage, "usage", checked_uint8 },
487 { &selector, "selector", checked_uint8 },
488 { &mtype, "mtype", checked_uint8 },
489 { &data, "data", hexdecode },
492 struct tlsa_field *f;
494 const char *cp = rrdata;
495 ossl_ssize_t len = 0;
497 for (f = tlsa_fields; f->var; ++f) {
498 /* Returns number of bytes produced, advances cp to next field */
499 if ((len = f->parser(&cp, f->var)) <= 0) {
500 BIO_printf(bio_err, "%s: warning: bad TLSA %s field in: %s\n",
501 prog, f->name, rrdata);
505 /* The data field is last, so len is its length */
506 ret = SSL_dane_tlsa_add(con, usage, selector, mtype, data, len);
510 ERR_print_errors(bio_err);
511 BIO_printf(bio_err, "%s: warning: unusable TLSA rrdata: %s\n",
516 ERR_print_errors(bio_err);
517 BIO_printf(bio_err, "%s: warning: error loading TLSA rrdata: %s\n",
524 static int tlsa_import_rrset(SSL *con, STACK_OF(OPENSSL_STRING) *rrset)
526 int num = sk_OPENSSL_STRING_num(rrset);
530 for (i = 0; i < num; ++i) {
531 char *rrdata = sk_OPENSSL_STRING_value(rrset, i);
532 if (tlsa_import_rr(con, rrdata) > 0)
538 typedef enum OPTION_choice {
539 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
540 OPT_4, OPT_6, OPT_HOST, OPT_PORT, OPT_CONNECT, OPT_UNIX,
541 OPT_XMPPHOST, OPT_VERIFY,
542 OPT_CERT, OPT_CRL, OPT_CRL_DOWNLOAD, OPT_SESS_OUT, OPT_SESS_IN,
543 OPT_CERTFORM, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET,
544 OPT_BRIEF, OPT_PREXIT, OPT_CRLF, OPT_QUIET, OPT_NBIO,
545 OPT_SSL_CLIENT_ENGINE, OPT_RAND, OPT_IGN_EOF, OPT_NO_IGN_EOF,
546 OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_WDEBUG,
547 OPT_MSG, OPT_MSGFILE, OPT_ENGINE, OPT_TRACE, OPT_SECURITY_DEBUG,
548 OPT_SECURITY_DEBUG_VERBOSE, OPT_SHOWCERTS, OPT_NBIO_TEST, OPT_STATE,
549 #ifndef OPENSSL_NO_PSK
550 OPT_PSK_IDENTITY, OPT_PSK,
552 #ifndef OPENSSL_NO_SRP
553 OPT_SRPUSER, OPT_SRPPASS, OPT_SRP_STRENGTH, OPT_SRP_LATEUSER,
556 OPT_SSL3, OPT_SSL_CONFIG,
557 OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1,
558 OPT_DTLS1_2, OPT_TIMEOUT, OPT_MTU, OPT_KEYFORM, OPT_PASS,
559 OPT_CERT_CHAIN, OPT_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH,
560 OPT_KEY, OPT_RECONNECT, OPT_BUILD_CHAIN, OPT_CAFILE, OPT_NOCAFILE,
561 OPT_CHAINCAFILE, OPT_VERIFYCAFILE, OPT_NEXTPROTONEG, OPT_ALPN,
562 OPT_SERVERINFO, OPT_STARTTLS, OPT_SERVERNAME,
563 OPT_USE_SRTP, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN, OPT_SMTPHOST,
564 OPT_ASYNC, OPT_SPLIT_SEND_FRAG, OPT_MAX_PIPELINES, OPT_READ_BUF,
568 OPT_FALLBACKSCSV, OPT_NOCMDS, OPT_PROXY, OPT_DANE_TLSA_DOMAIN,
569 #ifndef OPENSSL_NO_CT
570 OPT_CT, OPT_NOCT, OPT_CTLOG_FILE,
575 OPTIONS s_client_options[] = {
576 {"help", OPT_HELP, '-', "Display this summary"},
577 {"host", OPT_HOST, 's', "Use -connect instead"},
578 {"port", OPT_PORT, 'p', "Use -connect instead"},
579 {"connect", OPT_CONNECT, 's',
580 "TCP/IP where to connect (default is :" PORT ")"},
581 {"proxy", OPT_PROXY, 's',
582 "Connect to via specified proxy to the real server"},
584 {"unix", OPT_UNIX, 's', "Connect over unix domain sockets"},
586 {"4", OPT_4, '-', "Use IPv4 only"},
588 {"6", OPT_6, '-', "Use IPv6 only"},
590 {"verify", OPT_VERIFY, 'p', "Turn on peer certificate verification"},
591 {"cert", OPT_CERT, '<', "Certificate file to use, PEM format assumed"},
592 {"certform", OPT_CERTFORM, 'F',
593 "Certificate format (PEM or DER) PEM default"},
594 {"key", OPT_KEY, '<', "Private key file to use, if not in -cert file"},
595 {"keyform", OPT_KEYFORM, 'F', "Key format (PEM or DER) PEM default"},
596 {"pass", OPT_PASS, 's', "Private key file pass phrase source"},
597 {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
598 {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
599 {"no-CAfile", OPT_NOCAFILE, '-',
600 "Do not load the default certificates file"},
601 {"no-CApath", OPT_NOCAPATH, '-',
602 "Do not load certificates from the default certificates directory"},
603 {"dane_tlsa_domain", OPT_DANE_TLSA_DOMAIN, 's', "DANE TLSA base domain"},
604 {"dane_tlsa_rrdata", OPT_DANE_TLSA_RRDATA, 's',
605 "DANE TLSA rrdata presentation form"},
606 {"reconnect", OPT_RECONNECT, '-',
607 "Drop and re-make the connection with the same Session-ID"},
608 {"showcerts", OPT_SHOWCERTS, '-', "Show all certificates in the chain"},
609 {"debug", OPT_DEBUG, '-', "Extra output"},
610 {"msg", OPT_MSG, '-', "Show protocol messages"},
611 {"msgfile", OPT_MSGFILE, '>',
612 "File to send output of -msg or -trace, instead of stdout"},
613 {"nbio_test", OPT_NBIO_TEST, '-', "More ssl protocol testing"},
614 {"state", OPT_STATE, '-', "Print the ssl states"},
615 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"},
616 {"quiet", OPT_QUIET, '-', "No s_client output"},
617 {"ign_eof", OPT_IGN_EOF, '-', "Ignore input eof (default when -quiet)"},
618 {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Don't ignore input eof"},
619 {"starttls", OPT_STARTTLS, 's',
620 "Use the appropriate STARTTLS command before starting TLS"},
621 {"xmpphost", OPT_XMPPHOST, 's',
622 "Host to use with \"-starttls xmpp[-server]\""},
623 {"rand", OPT_RAND, 's',
624 "Load the file(s) into the random number generator"},
625 {"sess_out", OPT_SESS_OUT, '>', "File to write SSL session to"},
626 {"sess_in", OPT_SESS_IN, '<', "File to read SSL session from"},
627 {"use_srtp", OPT_USE_SRTP, 's',
628 "Offer SRTP key management with a colon-separated profile list"},
629 {"keymatexport", OPT_KEYMATEXPORT, 's',
630 "Export keying material using label"},
631 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
632 "Export len bytes of keying material (default 20)"},
633 {"fallback_scsv", OPT_FALLBACKSCSV, '-', "Send the fallback SCSV"},
634 {"name", OPT_SMTPHOST, 's', "Hostname to use for \"-starttls smtp\""},
635 {"CRL", OPT_CRL, '<', "CRL file to use"},
636 {"crl_download", OPT_CRL_DOWNLOAD, '-', "Download CRL from distribution points"},
637 {"CRLform", OPT_CRLFORM, 'F', "CRL format (PEM or DER) PEM is default"},
638 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-',
639 "Close connection on verification error"},
640 {"verify_quiet", OPT_VERIFY_QUIET, '-', "Restrict verify output to errors"},
641 {"brief", OPT_BRIEF, '-',
642 "Restrict output to brief summary of connection parameters"},
643 {"prexit", OPT_PREXIT, '-',
644 "Print session information when the program exits"},
645 {"security_debug", OPT_SECURITY_DEBUG, '-',
646 "Enable security debug messages"},
647 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-',
648 "Output more security debug output"},
649 {"cert_chain", OPT_CERT_CHAIN, '<',
650 "Certificate chain file (in PEM format)"},
651 {"chainCApath", OPT_CHAINCAPATH, '/',
652 "Use dir as certificate store path to build CA certificate chain"},
653 {"verifyCApath", OPT_VERIFYCAPATH, '/',
654 "Use dir as certificate store path to verify CA certificate"},
655 {"build_chain", OPT_BUILD_CHAIN, '-', "Build certificate chain"},
656 {"chainCAfile", OPT_CHAINCAFILE, '<',
657 "CA file for certificate chain (PEM format)"},
658 {"verifyCAfile", OPT_VERIFYCAFILE, '<',
659 "CA file for certificate verification (PEM format)"},
660 {"nocommands", OPT_NOCMDS, '-', "Do not use interactive command letters"},
661 {"servername", OPT_SERVERNAME, 's',
662 "Set TLS extension servername in ClientHello"},
663 {"tlsextdebug", OPT_TLSEXTDEBUG, '-',
664 "Hex dump of all TLS extensions received"},
665 #ifndef OPENSSL_NO_OCSP
666 {"status", OPT_STATUS, '-', "Request certificate status from server"},
668 {"serverinfo", OPT_SERVERINFO, 's',
669 "types Send empty ClientHello extensions (comma-separated numbers)"},
670 {"alpn", OPT_ALPN, 's',
671 "Enable ALPN extension, considering named protocols supported (comma-separated list)"},
672 {"async", OPT_ASYNC, '-', "Support asynchronous operation"},
673 {"ssl_config", OPT_SSL_CONFIG, 's', "Use specified configuration file"},
674 {"split_send_frag", OPT_SPLIT_SEND_FRAG, 'n',
675 "Size used to split data for encrypt pipelines"},
676 {"max_pipelines", OPT_MAX_PIPELINES, 'n',
677 "Maximum number of encrypt/decrypt pipelines to be used"},
678 {"read_buf", OPT_READ_BUF, 'n',
679 "Default read buffer size to be used for connections"},
683 #ifndef OPENSSL_NO_SSL3
684 {"ssl3", OPT_SSL3, '-', "Just use SSLv3"},
686 #ifndef OPENSSL_NO_TLS1
687 {"tls1", OPT_TLS1, '-', "Just use TLSv1"},
689 #ifndef OPENSSL_NO_TLS1_1
690 {"tls1_1", OPT_TLS1_1, '-', "Just use TLSv1.1"},
692 #ifndef OPENSSL_NO_TLS1_2
693 {"tls1_2", OPT_TLS1_2, '-', "Just use TLSv1.2"},
695 #ifndef OPENSSL_NO_DTLS
696 {"dtls", OPT_DTLS, '-', "Use any version of DTLS"},
697 {"timeout", OPT_TIMEOUT, '-',
698 "Enable send/receive timeout on DTLS connections"},
699 {"mtu", OPT_MTU, 'p', "Set the link layer MTU"},
701 #ifndef OPENSSL_NO_DTLS1
702 {"dtls1", OPT_DTLS1, '-', "Just use DTLSv1"},
704 #ifndef OPENSSL_NO_DTLS1_2
705 {"dtls1_2", OPT_DTLS1_2, '-', "Just use DTLSv1.2"},
707 #ifndef OPENSSL_NO_SSL_TRACE
708 {"trace", OPT_TRACE, '-', "Show trace output of protocol messages"},
711 {"wdebug", OPT_WDEBUG, '-', "WATT-32 tcp debugging"},
713 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"},
714 #ifndef OPENSSL_NO_PSK
715 {"psk_identity", OPT_PSK_IDENTITY, 's', "PSK identity"},
716 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"},
718 #ifndef OPENSSL_NO_SRP
719 {"srpuser", OPT_SRPUSER, 's', "SRP authentication for 'user'"},
720 {"srppass", OPT_SRPPASS, 's', "Password for 'user'"},
721 {"srp_lateuser", OPT_SRP_LATEUSER, '-',
722 "SRP username into second ClientHello message"},
723 {"srp_moregroups", OPT_SRP_MOREGROUPS, '-',
724 "Tolerate other than the known g N values."},
725 {"srp_strength", OPT_SRP_STRENGTH, 'p', "Minimal length in bits for N"},
727 #ifndef OPENSSL_NO_NEXTPROTONEG
728 {"nextprotoneg", OPT_NEXTPROTONEG, 's',
729 "Enable NPN extension, considering named protocols supported (comma-separated list)"},
731 #ifndef OPENSSL_NO_ENGINE
732 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
733 {"ssl_client_engine", OPT_SSL_CLIENT_ENGINE, 's',
734 "Specify engine to be used for client certificate operations"},
736 #ifndef OPENSSL_NO_CT
737 {"ct", OPT_CT, '-', "Request and parse SCTs (also enables OCSP stapling)"},
738 {"noct", OPT_NOCT, '-', "Do not request or parse SCTs (default)"},
739 {"ctlogfile", OPT_CTLOG_FILE, '<', "CT log list CONF file"},
741 {NULL, OPT_EOF, 0x00, NULL}
744 typedef enum PROTOCOL_choice {
757 static const OPT_PAIR services[] = {
758 {"smtp", PROTO_SMTP},
759 {"pop3", PROTO_POP3},
760 {"imap", PROTO_IMAP},
762 {"xmpp", PROTO_XMPP},
763 {"xmpp-server", PROTO_XMPP_SERVER},
764 {"telnet", PROTO_TELNET},
769 #define IS_INET_FLAG(o) \
770 (o == OPT_4 || o == OPT_6 || o == OPT_HOST || o == OPT_PORT || o == OPT_CONNECT)
771 #define IS_UNIX_FLAG(o) (o == OPT_UNIX)
773 /* Free |*dest| and optionally set it to a copy of |source|. */
774 static void freeandcopy(char **dest, const char *source)
779 *dest = OPENSSL_strdup(source);
782 int s_client_main(int argc, char **argv)
785 EVP_PKEY *key = NULL;
788 STACK_OF(X509) *chain = NULL;
790 X509_VERIFY_PARAM *vpm = NULL;
791 SSL_EXCERT *exc = NULL;
792 SSL_CONF_CTX *cctx = NULL;
793 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
794 char *dane_tlsa_domain = NULL;
795 STACK_OF(OPENSSL_STRING) *dane_tlsa_rrset = NULL;
796 STACK_OF(X509_CRL) *crls = NULL;
797 const SSL_METHOD *meth = TLS_client_method();
798 char *CApath = NULL, *CAfile = NULL, *cbuf = NULL, *sbuf = NULL;
799 char *mbuf = NULL, *proxystr = NULL, *connectstr = NULL;
800 char *cert_file = NULL, *key_file = NULL, *chain_file = NULL;
801 char *chCApath = NULL, *chCAfile = NULL, *host = NULL;
802 char *port = OPENSSL_strdup(PORT);
804 char *passarg = NULL, *pass = NULL, *vfyCApath = NULL, *vfyCAfile = NULL;
805 char *sess_in = NULL, *sess_out = NULL, *crl_file = NULL, *p;
806 char *xmpphost = NULL;
807 const char *ehlo = "mail.example.com";
808 struct timeval timeout, *timeoutp;
809 fd_set readfds, writefds;
810 int noCApath = 0, noCAfile = 0;
811 int build_chain = 0, cbuf_len, cbuf_off, cert_format = FORMAT_PEM;
812 int key_format = FORMAT_PEM, crlf = 0, full_log = 1, mbuf_len = 0;
815 int reconnect = 0, verify = SSL_VERIFY_NONE, vpmtouched = 0;
816 int ret = 1, in_init = 1, i, nbio_test = 0, s = -1, k, width, state = 0;
817 int sbuf_len, sbuf_off, cmdletters = 1;
818 int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM;
819 int starttls_proto = PROTO_OFF, crl_format = FORMAT_PEM, crl_download = 0;
820 int write_tty, read_tty, write_ssl, read_ssl, tty_on, ssl_pending;
821 int read_buf_len = 0;
822 int fallback_scsv = 0;
825 #ifndef OPENSSL_NO_DTLS
826 int enable_timeouts = 0;
829 #ifndef OPENSSL_NO_ENGINE
830 ENGINE *ssl_client_engine = NULL;
833 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
836 char *servername = NULL;
837 const char *alpn_in = NULL;
838 tlsextctx tlsextcbp = { NULL, 0 };
839 const char *ssl_config = NULL;
840 #define MAX_SI_TYPES 100
841 unsigned short serverinfo_types[MAX_SI_TYPES];
842 int serverinfo_count = 0, start = 0, len;
843 #ifndef OPENSSL_NO_NEXTPROTONEG
844 const char *next_proto_neg_in = NULL;
846 #ifndef OPENSSL_NO_SRP
847 char *srppass = NULL;
848 int srp_lateuser = 0;
849 SRP_ARG srp_arg = { NULL, NULL, 0, 0, 0, 1024 };
851 #ifndef OPENSSL_NO_CT
852 char *ctlog_file = NULL;
853 int ct_validation = 0;
855 int min_version = 0, max_version = 0;
857 unsigned int split_send_fragment = 0;
858 unsigned int max_pipelines = 0;
859 enum { use_inet, use_unix, use_unknown } connect_type = use_unknown;
864 /* Known false-positive of MemorySanitizer. */
865 #if defined(__has_feature)
866 # if __has_feature(memory_sanitizer)
867 __msan_unpoison(&readfds, sizeof(readfds));
868 __msan_unpoison(&writefds, sizeof(writefds));
872 prog = opt_progname(argv[0]);
880 verify_error = X509_V_OK;
881 vpm = X509_VERIFY_PARAM_new();
882 cbuf = app_malloc(BUFSIZZ, "cbuf");
883 sbuf = app_malloc(BUFSIZZ, "sbuf");
884 mbuf = app_malloc(BUFSIZZ, "mbuf");
885 cctx = SSL_CONF_CTX_new();
887 if (vpm == NULL || cctx == NULL) {
888 BIO_printf(bio_err, "%s: out of memory\n", prog);
892 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT | SSL_CONF_FLAG_CMDLINE);
894 prog = opt_init(argc, argv, s_client_options);
895 while ((o = opt_next()) != OPT_EOF) {
896 /* Check for intermixing flags. */
897 if (connect_type == use_unix && IS_INET_FLAG(o)) {
899 "%s: Intermixed protocol flags (unix and internet domains)\n",
903 if (connect_type == use_inet && IS_UNIX_FLAG(o)) {
905 "%s: Intermixed protocol flags (internet and unix domains)\n",
913 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
916 opt_help(s_client_options);
920 connect_type = use_inet;
921 socket_family = AF_INET;
926 connect_type = use_inet;
927 socket_family = AF_INET6;
932 connect_type = use_inet;
933 freeandcopy(&host, opt_arg());
936 connect_type = use_inet;
937 freeandcopy(&port, opt_arg());
940 connect_type = use_inet;
941 freeandcopy(&connectstr, opt_arg());
944 proxystr = opt_arg();
945 starttls_proto = PROTO_CONNECT;
949 connect_type = use_unix;
950 socket_family = AF_UNIX;
951 freeandcopy(&host, opt_arg());
955 xmpphost = opt_arg();
961 verify = SSL_VERIFY_PEER;
962 verify_depth = atoi(opt_arg());
964 BIO_printf(bio_err, "verify depth is %d\n", verify_depth);
967 cert_file = opt_arg();
970 crl_file = opt_arg();
972 case OPT_CRL_DOWNLOAD:
976 sess_out = opt_arg();
982 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &cert_format))
986 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
989 case OPT_VERIFY_RET_ERROR:
990 verify_return_error = 1;
992 case OPT_VERIFY_QUIET:
996 c_brief = verify_quiet = c_quiet = 1;
999 if (ssl_args == NULL)
1000 ssl_args = sk_OPENSSL_STRING_new_null();
1001 if (ssl_args == NULL
1002 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
1003 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
1004 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1009 if (!opt_verify(o, vpm))
1014 if (!args_excert(o, &exc))
1024 c_quiet = c_ign_eof = 1;
1033 e = setup_engine(opt_arg(), 1);
1035 case OPT_SSL_CLIENT_ENGINE:
1036 #ifndef OPENSSL_NO_ENGINE
1037 ssl_client_engine = ENGINE_by_id(opt_arg());
1038 if (ssl_client_engine == NULL) {
1039 BIO_printf(bio_err, "Error getting client auth engine\n");
1050 case OPT_NO_IGN_EOF:
1056 case OPT_TLSEXTDEBUG:
1071 bio_c_msg = BIO_new_file(opt_arg(), "w");
1074 #ifndef OPENSSL_NO_SSL_TRACE
1078 case OPT_SECURITY_DEBUG:
1081 case OPT_SECURITY_DEBUG_VERBOSE:
1093 #ifndef OPENSSL_NO_PSK
1094 case OPT_PSK_IDENTITY:
1095 psk_identity = opt_arg();
1098 for (p = psk_key = opt_arg(); *p; p++) {
1099 if (isxdigit(_UC(*p)))
1101 BIO_printf(bio_err, "Not a hex number '%s'\n", psk_key);
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;
1135 case OPT_SSL_CONFIG:
1136 ssl_config = opt_arg();
1139 min_version = SSL3_VERSION;
1140 max_version = SSL3_VERSION;
1143 min_version = TLS1_2_VERSION;
1144 max_version = TLS1_2_VERSION;
1147 min_version = TLS1_1_VERSION;
1148 max_version = TLS1_1_VERSION;
1151 min_version = TLS1_VERSION;
1152 max_version = TLS1_VERSION;
1155 #ifndef OPENSSL_NO_DTLS
1156 meth = DTLS_client_method();
1157 socket_type = SOCK_DGRAM;
1161 #ifndef OPENSSL_NO_DTLS1
1162 meth = DTLS_client_method();
1163 min_version = DTLS1_VERSION;
1164 max_version = DTLS1_VERSION;
1165 socket_type = SOCK_DGRAM;
1169 #ifndef OPENSSL_NO_DTLS1_2
1170 meth = DTLS_client_method();
1171 min_version = DTLS1_2_VERSION;
1172 max_version = DTLS1_2_VERSION;
1173 socket_type = SOCK_DGRAM;
1177 #ifndef OPENSSL_NO_DTLS
1178 enable_timeouts = 1;
1182 #ifndef OPENSSL_NO_DTLS
1183 socket_mtu = atol(opt_arg());
1186 case OPT_FALLBACKSCSV:
1190 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &key_format))
1194 passarg = opt_arg();
1196 case OPT_CERT_CHAIN:
1197 chain_file = opt_arg();
1200 key_file = opt_arg();
1211 case OPT_CHAINCAPATH:
1212 chCApath = opt_arg();
1214 case OPT_VERIFYCAPATH:
1215 vfyCApath = opt_arg();
1217 case OPT_BUILD_CHAIN:
1226 #ifndef OPENSSL_NO_CT
1233 case OPT_CTLOG_FILE:
1234 ctlog_file = opt_arg();
1237 case OPT_CHAINCAFILE:
1238 chCAfile = opt_arg();
1240 case OPT_VERIFYCAFILE:
1241 vfyCAfile = opt_arg();
1243 case OPT_DANE_TLSA_DOMAIN:
1244 dane_tlsa_domain = opt_arg();
1246 case OPT_DANE_TLSA_RRDATA:
1247 if (dane_tlsa_rrset == NULL)
1248 dane_tlsa_rrset = sk_OPENSSL_STRING_new_null();
1249 if (dane_tlsa_rrset == NULL ||
1250 !sk_OPENSSL_STRING_push(dane_tlsa_rrset, opt_arg())) {
1251 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1255 case OPT_NEXTPROTONEG:
1256 #ifndef OPENSSL_NO_NEXTPROTONEG
1257 next_proto_neg_in = opt_arg();
1261 alpn_in = opt_arg();
1263 case OPT_SERVERINFO:
1266 for (start = 0, i = 0; i <= len; ++i) {
1267 if (i == len || p[i] == ',') {
1268 serverinfo_types[serverinfo_count] = atoi(p + start);
1269 if (++serverinfo_count == MAX_SI_TYPES)
1276 if (!opt_pair(opt_arg(), services, &starttls_proto))
1279 case OPT_SERVERNAME:
1280 servername = opt_arg();
1283 srtp_profiles = opt_arg();
1285 case OPT_KEYMATEXPORT:
1286 keymatexportlabel = opt_arg();
1288 case OPT_KEYMATEXPORTLEN:
1289 keymatexportlen = atoi(opt_arg());
1294 case OPT_SPLIT_SEND_FRAG:
1295 split_send_fragment = atoi(opt_arg());
1296 if (split_send_fragment == 0) {
1298 * Not allowed - set to a deliberately bad value so we get an
1299 * error message below
1301 split_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH + 1;
1304 case OPT_MAX_PIPELINES:
1305 max_pipelines = atoi(opt_arg());
1308 read_buf_len = atoi(opt_arg());
1312 if (count4or6 >= 2) {
1313 BIO_printf(bio_err, "%s: Can't use both -4 and -6\n", prog);
1316 argc = opt_num_rest();
1322 char *tmp_host = host, *tmp_port = port;
1323 if (connectstr == NULL) {
1324 BIO_printf(bio_err, "%s: -proxy requires use of -connect\n", prog);
1327 res = BIO_parse_hostserv(proxystr, &host, &port, BIO_PARSE_PRIO_HOST);
1328 if (tmp_host != host)
1329 OPENSSL_free(tmp_host);
1330 if (tmp_port != port)
1331 OPENSSL_free(tmp_port);
1333 BIO_printf(bio_err, "%s: -proxy argument malformed or ambiguous\n",
1339 char *tmp_host = host, *tmp_port = port;
1340 if (connectstr != NULL)
1341 res = BIO_parse_hostserv(connectstr, &host, &port,
1342 BIO_PARSE_PRIO_HOST);
1343 if (tmp_host != host)
1344 OPENSSL_free(tmp_host);
1345 if (tmp_port != port)
1346 OPENSSL_free(tmp_port);
1349 "%s: -connect argument malformed or ambiguous\n",
1355 if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) {
1357 "Can't use unix sockets and datagrams together\n");
1361 if (split_send_fragment > SSL3_RT_MAX_PLAIN_LENGTH) {
1362 BIO_printf(bio_err, "Bad split send fragment size\n");
1366 if (max_pipelines > SSL_MAX_PIPELINES) {
1367 BIO_printf(bio_err, "Bad max pipelines value\n");
1371 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1372 next_proto.status = -1;
1373 if (next_proto_neg_in) {
1375 next_protos_parse(&next_proto.len, next_proto_neg_in);
1376 if (next_proto.data == NULL) {
1377 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n");
1381 next_proto.data = NULL;
1384 if (!app_passwd(passarg, NULL, &pass, NULL)) {
1385 BIO_printf(bio_err, "Error getting password\n");
1389 if (key_file == NULL)
1390 key_file = cert_file;
1393 key = load_key(key_file, key_format, 0, pass, e,
1394 "client certificate private key file");
1396 ERR_print_errors(bio_err);
1402 cert = load_cert(cert_file, cert_format, "client certificate file");
1404 ERR_print_errors(bio_err);
1410 if (!load_certs(chain_file, &chain, FORMAT_PEM, NULL,
1411 "client certificate chain"))
1417 crl = load_crl(crl_file, crl_format);
1419 BIO_puts(bio_err, "Error loading CRL\n");
1420 ERR_print_errors(bio_err);
1423 crls = sk_X509_CRL_new_null();
1424 if (crls == NULL || !sk_X509_CRL_push(crls, crl)) {
1425 BIO_puts(bio_err, "Error adding CRL\n");
1426 ERR_print_errors(bio_err);
1432 if (!load_excert(&exc))
1435 if (!app_RAND_load_file(NULL, 1) && inrand == NULL
1436 && !RAND_status()) {
1438 "warning, not much extra random data, consider using the -rand option\n");
1440 if (inrand != NULL) {
1441 randamt = app_RAND_load_files(inrand);
1442 BIO_printf(bio_err, "%ld semi-random bytes loaded\n", randamt);
1445 if (bio_c_out == NULL) {
1446 if (c_quiet && !c_debug) {
1447 bio_c_out = BIO_new(BIO_s_null());
1448 if (c_msg && !bio_c_msg)
1449 bio_c_msg = dup_bio_out(FORMAT_TEXT);
1450 } else if (bio_c_out == NULL)
1451 bio_c_out = dup_bio_out(FORMAT_TEXT);
1453 #ifndef OPENSSL_NO_SRP
1454 if (!app_passwd(srppass, NULL, &srp_arg.srppassin, NULL)) {
1455 BIO_printf(bio_err, "Error getting password\n");
1460 ctx = SSL_CTX_new(meth);
1462 ERR_print_errors(bio_err);
1467 ssl_ctx_security_debug(ctx, sdebug);
1470 if (SSL_CTX_config(ctx, ssl_config) == 0) {
1471 BIO_printf(bio_err, "Error using configuration \"%s\"\n",
1473 ERR_print_errors(bio_err);
1478 if (SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
1480 if (SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
1483 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
1484 BIO_printf(bio_err, "Error setting verify params\n");
1485 ERR_print_errors(bio_err);
1490 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
1492 if (split_send_fragment > 0) {
1493 SSL_CTX_set_split_send_fragment(ctx, split_send_fragment);
1495 if (max_pipelines > 0) {
1496 SSL_CTX_set_max_pipelines(ctx, max_pipelines);
1499 if (read_buf_len > 0) {
1500 SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len);
1503 if (!config_ctx(cctx, ssl_args, ctx))
1506 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1507 crls, crl_download)) {
1508 BIO_printf(bio_err, "Error loading store locations\n");
1509 ERR_print_errors(bio_err);
1512 #ifndef OPENSSL_NO_ENGINE
1513 if (ssl_client_engine) {
1514 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine)) {
1515 BIO_puts(bio_err, "Error setting client auth engine\n");
1516 ERR_print_errors(bio_err);
1517 ENGINE_free(ssl_client_engine);
1520 ENGINE_free(ssl_client_engine);
1524 #ifndef OPENSSL_NO_PSK
1525 if (psk_key != NULL) {
1527 BIO_printf(bio_c_out,
1528 "PSK key given, setting client callback\n");
1529 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
1532 #ifndef OPENSSL_NO_SRTP
1533 if (srtp_profiles != NULL) {
1534 /* Returns 0 on success! */
1535 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
1536 BIO_printf(bio_err, "Error setting SRTP profile\n");
1537 ERR_print_errors(bio_err);
1544 ssl_ctx_set_excert(ctx, exc);
1546 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1547 if (next_proto.data)
1548 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
1552 unsigned char *alpn = next_protos_parse(&alpn_len, alpn_in);
1555 BIO_printf(bio_err, "Error parsing -alpn argument\n");
1558 /* Returns 0 on success! */
1559 if (SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len) != 0) {
1560 BIO_printf(bio_err, "Error setting ALPN\n");
1566 for (i = 0; i < serverinfo_count; i++) {
1567 if (!SSL_CTX_add_client_custom_ext(ctx,
1568 serverinfo_types[i],
1570 serverinfo_cli_parse_cb, NULL)) {
1572 "Warning: Unable to add custom extension %u, skipping\n",
1573 serverinfo_types[i]);
1578 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1580 #ifndef OPENSSL_NO_CT
1581 /* Enable SCT processing, without early connection termination */
1582 if (ct_validation &&
1583 !SSL_CTX_enable_ct(ctx, SSL_CT_VALIDATION_PERMISSIVE)) {
1584 ERR_print_errors(bio_err);
1588 if (!ctx_set_ctlog_list_file(ctx, ctlog_file)) {
1589 if (ct_validation) {
1590 ERR_print_errors(bio_err);
1595 * If CT validation is not enabled, the log list isn't needed so don't
1596 * show errors or abort. We try to load it regardless because then we
1597 * can show the names of the logs any SCTs came from (SCTs may be seen
1598 * even with validation disabled).
1604 SSL_CTX_set_verify(ctx, verify, verify_callback);
1606 if (!ctx_set_verify_locations(ctx, CAfile, CApath, noCAfile, noCApath)) {
1607 ERR_print_errors(bio_err);
1611 ssl_ctx_add_crls(ctx, crls, crl_download);
1613 if (!set_cert_key_stuff(ctx, cert, key, chain, build_chain))
1616 if (servername != NULL) {
1617 tlsextcbp.biodebug = bio_err;
1618 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1619 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1621 # ifndef OPENSSL_NO_SRP
1622 if (srp_arg.srplogin) {
1623 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin)) {
1624 BIO_printf(bio_err, "Unable to set SRP username\n");
1627 srp_arg.msg = c_msg;
1628 srp_arg.debug = c_debug;
1629 SSL_CTX_set_srp_cb_arg(ctx, &srp_arg);
1630 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb);
1631 SSL_CTX_set_srp_strength(ctx, srp_arg.strength);
1632 if (c_msg || c_debug || srp_arg.amp == 0)
1633 SSL_CTX_set_srp_verify_param_callback(ctx,
1634 ssl_srp_verify_param_cb);
1638 if (dane_tlsa_domain != NULL) {
1639 if (SSL_CTX_dane_enable(ctx) <= 0) {
1641 "%s: Error enabling DANE TLSA authentication.\n", prog);
1642 ERR_print_errors(bio_err);
1650 BIO *stmp = BIO_new_file(sess_in, "r");
1652 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1653 ERR_print_errors(bio_err);
1656 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1659 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1660 ERR_print_errors(bio_err);
1663 if (!SSL_set_session(con, sess)) {
1664 BIO_printf(bio_err, "Can't set session\n");
1665 ERR_print_errors(bio_err);
1668 SSL_SESSION_free(sess);
1672 SSL_set_mode(con, SSL_MODE_SEND_FALLBACK_SCSV);
1674 if (servername != NULL) {
1675 if (!SSL_set_tlsext_host_name(con, servername)) {
1676 BIO_printf(bio_err, "Unable to set TLS servername extension.\n");
1677 ERR_print_errors(bio_err);
1682 if (dane_tlsa_domain != NULL) {
1683 if (SSL_dane_enable(con, dane_tlsa_domain) <= 0) {
1684 BIO_printf(bio_err, "%s: Error enabling DANE TLSA "
1685 "authentication.\n", prog);
1686 ERR_print_errors(bio_err);
1689 if (dane_tlsa_rrset == NULL) {
1690 BIO_printf(bio_err, "%s: DANE TLSA authentication requires at "
1691 "least one -dane_tlsa_rrset option.\n", prog);
1694 if (tlsa_import_rrset(con, dane_tlsa_rrset) <= 0) {
1695 BIO_printf(bio_err, "%s: Failed to import any TLSA "
1696 "records.\n", prog);
1699 } else if (dane_tlsa_rrset != NULL) {
1700 BIO_printf(bio_err, "%s: DANE TLSA authentication requires the "
1701 "-dane_tlsa_domain option.\n", prog);
1706 if (init_client(&s, host, port, socket_family, socket_type) == 0)
1708 BIO_printf(bio_err, "connect:errno=%d\n", get_last_socket_error());
1712 BIO_printf(bio_c_out, "CONNECTED(%08X)\n", s);
1715 if (!BIO_socket_nbio(s, 1)) {
1716 ERR_print_errors(bio_err);
1719 BIO_printf(bio_c_out, "Turned on non blocking io\n");
1721 #ifndef OPENSSL_NO_DTLS
1722 if (socket_type == SOCK_DGRAM) {
1723 struct sockaddr peer;
1724 int peerlen = sizeof peer;
1726 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
1727 if (getsockname(s, &peer, (void *)&peerlen) < 0) {
1728 BIO_printf(bio_err, "getsockname:errno=%d\n",
1729 get_last_socket_error());
1734 (void)BIO_ctrl_set_connected(sbio, &peer);
1736 if (enable_timeouts) {
1738 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1739 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1742 timeout.tv_usec = DGRAM_SND_TIMEOUT;
1743 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1747 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
1748 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
1749 DTLS_get_link_min_mtu(con));
1753 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1754 if (!DTLS_set_link_mtu(con, socket_mtu)) {
1755 BIO_printf(bio_err, "Failed to set MTU\n");
1760 /* want to do MTU discovery */
1761 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1763 #endif /* OPENSSL_NO_DTLS */
1764 sbio = BIO_new_socket(s, BIO_NOCLOSE);
1769 test = BIO_new(BIO_f_nbio_test());
1770 sbio = BIO_push(test, sbio);
1774 BIO_set_callback(sbio, bio_dump_callback);
1775 BIO_set_callback_arg(sbio, (char *)bio_c_out);
1778 #ifndef OPENSSL_NO_SSL_TRACE
1780 SSL_set_msg_callback(con, SSL_trace);
1783 SSL_set_msg_callback(con, msg_cb);
1784 SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out);
1787 if (c_tlsextdebug) {
1788 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1789 SSL_set_tlsext_debug_arg(con, bio_c_out);
1791 #ifndef OPENSSL_NO_OCSP
1793 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
1794 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
1795 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
1799 SSL_set_bio(con, sbio, sbio);
1800 SSL_set_connect_state(con);
1802 /* ok, lets connect */
1803 width = SSL_get_fd(con) + 1;
1816 switch ((PROTOCOL_CHOICE) starttls_proto) {
1822 * This is an ugly hack that does a lot of assumptions. We do
1823 * have to handle multi-line responses which may come in a single
1824 * packet or not. We therefore have to use BIO_gets() which does
1825 * need a buffering BIO. So during the initial chitchat we do
1826 * push a buffering BIO into the chain that is removed again
1827 * later on to not disturb the rest of the s_client operation.
1830 BIO *fbio = BIO_new(BIO_f_buffer());
1831 BIO_push(fbio, sbio);
1832 /* wait for multi-line response to end from SMTP */
1834 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1836 while (mbuf_len > 3 && mbuf[3] == '-');
1837 BIO_printf(fbio, "EHLO %s\r\n", ehlo);
1838 (void)BIO_flush(fbio);
1839 /* wait for multi-line response to end EHLO SMTP response */
1841 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1842 if (strstr(mbuf, "STARTTLS"))
1845 while (mbuf_len > 3 && mbuf[3] == '-');
1846 (void)BIO_flush(fbio);
1851 "didn't find starttls in server response,"
1852 " trying anyway...\n");
1853 BIO_printf(sbio, "STARTTLS\r\n");
1854 BIO_read(sbio, sbuf, BUFSIZZ);
1859 BIO_read(sbio, mbuf, BUFSIZZ);
1860 BIO_printf(sbio, "STLS\r\n");
1861 mbuf_len = BIO_read(sbio, sbuf, BUFSIZZ);
1863 BIO_printf(bio_err, "BIO_read failed\n");
1871 BIO *fbio = BIO_new(BIO_f_buffer());
1872 BIO_push(fbio, sbio);
1873 BIO_gets(fbio, mbuf, BUFSIZZ);
1874 /* STARTTLS command requires CAPABILITY... */
1875 BIO_printf(fbio, ". CAPABILITY\r\n");
1876 (void)BIO_flush(fbio);
1877 /* wait for multi-line CAPABILITY response */
1879 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1880 if (strstr(mbuf, "STARTTLS"))
1883 while (mbuf_len > 3 && mbuf[0] != '.');
1884 (void)BIO_flush(fbio);
1889 "didn't find STARTTLS in server response,"
1890 " trying anyway...\n");
1891 BIO_printf(sbio, ". STARTTLS\r\n");
1892 BIO_read(sbio, sbuf, BUFSIZZ);
1897 BIO *fbio = BIO_new(BIO_f_buffer());
1898 BIO_push(fbio, sbio);
1899 /* wait for multi-line response to end from FTP */
1901 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1903 while (mbuf_len > 3 && mbuf[3] == '-');
1904 (void)BIO_flush(fbio);
1907 BIO_printf(sbio, "AUTH TLS\r\n");
1908 BIO_read(sbio, sbuf, BUFSIZZ);
1912 case PROTO_XMPP_SERVER:
1915 BIO_printf(sbio, "<stream:stream "
1916 "xmlns:stream='http://etherx.jabber.org/streams' "
1917 "xmlns='jabber:%s' to='%s' version='1.0'>",
1918 starttls_proto == PROTO_XMPP ? "client" : "server",
1919 xmpphost ? xmpphost : host);
1920 seen = BIO_read(sbio, mbuf, BUFSIZZ);
1923 (mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")
1925 "<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\""))
1927 seen = BIO_read(sbio, mbuf, BUFSIZZ);
1935 "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
1936 seen = BIO_read(sbio, sbuf, BUFSIZZ);
1938 if (!strstr(sbuf, "<proceed"))
1945 static const unsigned char tls_do[] = {
1946 /* IAC DO START_TLS */
1949 static const unsigned char tls_will[] = {
1950 /* IAC WILL START_TLS */
1953 static const unsigned char tls_follows[] = {
1954 /* IAC SB START_TLS FOLLOWS IAC SE */
1955 255, 250, 46, 1, 255, 240
1959 /* Telnet server should demand we issue START_TLS */
1960 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
1961 if (bytes != 3 || memcmp(mbuf, tls_do, 3) != 0)
1963 /* Agree to issue START_TLS and send the FOLLOWS sub-command */
1964 BIO_write(sbio, tls_will, 3);
1965 BIO_write(sbio, tls_follows, 6);
1966 (void)BIO_flush(sbio);
1967 /* Telnet server also sent the FOLLOWS sub-command */
1968 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
1969 if (bytes != 6 || memcmp(mbuf, tls_follows, 6) != 0)
1976 BIO *fbio = BIO_new(BIO_f_buffer());
1978 BIO_push(fbio, sbio);
1979 BIO_printf(fbio, "CONNECT %s HTTP/1.0\r\n\r\n", connectstr);
1980 (void)BIO_flush(fbio);
1981 /* wait for multi-line response to end CONNECT response */
1983 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1984 if (strstr(mbuf, "200") != NULL
1985 && strstr(mbuf, "established") != NULL)
1987 } while (mbuf_len > 3 && foundit == 0);
1988 (void)BIO_flush(fbio);
1992 BIO_printf(bio_err, "%s: HTTP CONNECT failed\n", prog);
2000 BIO *fbio = BIO_new(BIO_f_buffer());
2002 BIO_push(fbio, sbio);
2003 BIO_printf(fbio, "STARTTLS\r\n");
2004 (void)BIO_flush(fbio);
2005 width = SSL_get_fd(con) + 1;
2011 openssl_fdset(SSL_get_fd(con), &readfds);
2012 timeout.tv_sec = S_CLIENT_IRC_READ_TIMEOUT;
2013 timeout.tv_usec = 0;
2015 * If the IRCd doesn't respond within
2016 * S_CLIENT_IRC_READ_TIMEOUT seconds, assume
2017 * it doesn't support STARTTLS. Many IRCds
2018 * will not give _any_ sort of response to a
2019 * STARTTLS command when it's not supported.
2021 if (!BIO_get_buffer_num_lines(fbio)
2022 && !BIO_pending(fbio)
2023 && !BIO_pending(sbio)
2024 && select(width, (void *)&readfds, NULL, NULL,
2027 "Timeout waiting for response (%d seconds).\n",
2028 S_CLIENT_IRC_READ_TIMEOUT);
2032 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2033 if (mbuf_len < 1 || sscanf(mbuf, "%*s %d", &numeric) != 1)
2035 /* :example.net 451 STARTTLS :You have not registered */
2036 /* :example.net 421 STARTTLS :Unknown command */
2037 if ((numeric == 451 || numeric == 421)
2038 && strstr(mbuf, "STARTTLS") != NULL) {
2039 BIO_printf(bio_err, "STARTTLS not supported: %s", mbuf);
2042 if (numeric == 691) {
2043 BIO_printf(bio_err, "STARTTLS negotiation failed: ");
2044 ERR_print_errors(bio_err);
2047 } while (numeric != 670);
2049 (void)BIO_flush(fbio);
2052 if (numeric != 670) {
2053 BIO_printf(bio_err, "Server does not support STARTTLS.\n");
2064 if ((SSL_version(con) == DTLS1_VERSION) &&
2065 DTLSv1_get_timeout(con, &timeout))
2066 timeoutp = &timeout;
2070 if (SSL_in_init(con) && !SSL_total_renegotiations(con)) {
2078 if (servername != NULL && !SSL_session_reused(con)) {
2079 BIO_printf(bio_c_out,
2080 "Server did %sacknowledge servername extension.\n",
2081 tlsextcbp.ack ? "" : "not ");
2085 BIO *stmp = BIO_new_file(sess_out, "w");
2087 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));
2090 BIO_printf(bio_err, "Error writing session file %s\n",
2094 BIO_puts(bio_err, "CONNECTION ESTABLISHED\n");
2095 print_ssl_summary(con);
2098 print_stuff(bio_c_out, con, full_log);
2102 if (starttls_proto) {
2103 BIO_write(bio_err, mbuf, mbuf_len);
2104 /* We don't need to know any more */
2106 starttls_proto = PROTO_OFF;
2111 BIO_printf(bio_c_out,
2112 "drop connection and then reconnect\n");
2113 do_ssl_shutdown(con);
2114 SSL_set_connect_state(con);
2115 BIO_closesocket(SSL_get_fd(con));
2121 ssl_pending = read_ssl && SSL_has_pending(con);
2124 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
2127 openssl_fdset(fileno(stdin), &readfds);
2129 openssl_fdset(fileno(stdout), &writefds);
2132 openssl_fdset(SSL_get_fd(con), &readfds);
2134 openssl_fdset(SSL_get_fd(con), &writefds);
2136 if (!tty_on || !write_tty) {
2138 openssl_fdset(SSL_get_fd(con), &readfds);
2140 openssl_fdset(SSL_get_fd(con), &writefds);
2145 * Note: under VMS with SOCKETSHR the second parameter is
2146 * currently of type (int *) whereas under other systems it is
2147 * (void *) if you don't have a cast it will choke the compiler:
2148 * if you do have a cast then you can either go for (int *) or
2151 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2153 * Under Windows/DOS we make the assumption that we can always
2154 * write to the tty: therefore if we need to write to the tty we
2155 * just fall through. Otherwise we timeout the select every
2156 * second and see if there are any keypresses. Note: this is a
2157 * hack, in a proper Windows application we wouldn't do this.
2164 i = select(width, (void *)&readfds, (void *)&writefds,
2166 if (!i && (!has_stdin_waiting() || !read_tty))
2169 i = select(width, (void *)&readfds, (void *)&writefds,
2173 i = select(width, (void *)&readfds, (void *)&writefds,
2177 BIO_printf(bio_err, "bad select %d\n",
2178 get_last_socket_error());
2184 if ((SSL_version(con) == DTLS1_VERSION)
2185 && DTLSv1_handle_timeout(con) > 0) {
2186 BIO_printf(bio_err, "TIMEOUT occurred\n");
2189 if (!ssl_pending && FD_ISSET(SSL_get_fd(con), &writefds)) {
2190 k = SSL_write(con, &(cbuf[cbuf_off]), (unsigned int)cbuf_len);
2191 switch (SSL_get_error(con, k)) {
2192 case SSL_ERROR_NONE:
2197 /* we have done a write(con,NULL,0); */
2198 if (cbuf_len <= 0) {
2201 } else { /* if (cbuf_len > 0) */
2207 case SSL_ERROR_WANT_WRITE:
2208 BIO_printf(bio_c_out, "write W BLOCK\n");
2212 case SSL_ERROR_WANT_ASYNC:
2213 BIO_printf(bio_c_out, "write A BLOCK\n");
2214 wait_for_async(con);
2218 case SSL_ERROR_WANT_READ:
2219 BIO_printf(bio_c_out, "write R BLOCK\n");
2224 case SSL_ERROR_WANT_X509_LOOKUP:
2225 BIO_printf(bio_c_out, "write X BLOCK\n");
2227 case SSL_ERROR_ZERO_RETURN:
2228 if (cbuf_len != 0) {
2229 BIO_printf(bio_c_out, "shutdown\n");
2238 case SSL_ERROR_SYSCALL:
2239 if ((k != 0) || (cbuf_len != 0)) {
2240 BIO_printf(bio_err, "write:errno=%d\n",
2241 get_last_socket_error());
2248 case SSL_ERROR_WANT_ASYNC_JOB:
2249 /* This shouldn't ever happen in s_client - treat as an error */
2251 ERR_print_errors(bio_err);
2255 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2256 /* Assume Windows/DOS/BeOS can always write */
2257 else if (!ssl_pending && write_tty)
2259 else if (!ssl_pending && FD_ISSET(fileno(stdout), &writefds))
2262 #ifdef CHARSET_EBCDIC
2263 ascii2ebcdic(&(sbuf[sbuf_off]), &(sbuf[sbuf_off]), sbuf_len);
2265 i = raw_write_stdout(&(sbuf[sbuf_off]), sbuf_len);
2268 BIO_printf(bio_c_out, "DONE\n");
2276 if (sbuf_len <= 0) {
2280 } else if (ssl_pending || FD_ISSET(SSL_get_fd(con), &readfds)) {
2285 SSL_renegotiate(con);
2290 k = SSL_read(con, sbuf, 1024 /* BUFSIZZ */ );
2292 switch (SSL_get_error(con, k)) {
2293 case SSL_ERROR_NONE:
2302 case SSL_ERROR_WANT_ASYNC:
2303 BIO_printf(bio_c_out, "read A BLOCK\n");
2304 wait_for_async(con);
2307 if ((read_tty == 0) && (write_ssl == 0))
2310 case SSL_ERROR_WANT_WRITE:
2311 BIO_printf(bio_c_out, "read W BLOCK\n");
2315 case SSL_ERROR_WANT_READ:
2316 BIO_printf(bio_c_out, "read R BLOCK\n");
2319 if ((read_tty == 0) && (write_ssl == 0))
2322 case SSL_ERROR_WANT_X509_LOOKUP:
2323 BIO_printf(bio_c_out, "read X BLOCK\n");
2325 case SSL_ERROR_SYSCALL:
2326 ret = get_last_socket_error();
2328 BIO_puts(bio_err, "CONNECTION CLOSED BY SERVER\n");
2330 BIO_printf(bio_err, "read:errno=%d\n", ret);
2332 case SSL_ERROR_ZERO_RETURN:
2333 BIO_printf(bio_c_out, "closed\n");
2336 case SSL_ERROR_WANT_ASYNC_JOB:
2337 /* This shouldn't ever happen in s_client. Treat as an error */
2339 ERR_print_errors(bio_err);
2344 /* OPENSSL_SYS_MSDOS includes OPENSSL_SYS_WINDOWS */
2345 #if defined(OPENSSL_SYS_MSDOS)
2346 else if (has_stdin_waiting())
2348 else if (FD_ISSET(fileno(stdin), &readfds))
2354 i = raw_read_stdin(cbuf, BUFSIZZ / 2);
2356 /* both loops are skipped when i <= 0 */
2357 for (j = 0; j < i; j++)
2358 if (cbuf[j] == '\n')
2360 for (j = i - 1; j >= 0; j--) {
2361 cbuf[j + lf_num] = cbuf[j];
2362 if (cbuf[j] == '\n') {
2365 cbuf[j + lf_num] = '\r';
2368 assert(lf_num == 0);
2370 i = raw_read_stdin(cbuf, BUFSIZZ);
2372 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q' && cmdletters))) {
2373 BIO_printf(bio_err, "DONE\n");
2378 if ((!c_ign_eof) && (cbuf[0] == 'R' && cmdletters)) {
2379 BIO_printf(bio_err, "RENEGOTIATING\n");
2380 SSL_renegotiate(con);
2383 #ifndef OPENSSL_NO_HEARTBEATS
2384 else if ((!c_ign_eof) && (cbuf[0] == 'B' && cmdletters)) {
2385 BIO_printf(bio_err, "HEARTBEATING\n");
2393 #ifdef CHARSET_EBCDIC
2394 ebcdic2ascii(cbuf, cbuf, i);
2406 print_stuff(bio_c_out, con, full_log);
2407 do_ssl_shutdown(con);
2408 #if defined(OPENSSL_SYS_WINDOWS)
2410 * Give the socket time to send its last data before we close it.
2411 * No amount of setting SO_LINGER etc on the socket seems to persuade
2412 * Windows to send the data before closing the socket...but sleeping
2413 * for a short time seems to do it (units in ms)
2414 * TODO: Find a better way to do this
2418 BIO_closesocket(SSL_get_fd(con));
2422 print_stuff(bio_c_out, con, 1);
2425 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2426 OPENSSL_free(next_proto.data);
2430 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2432 sk_X509_pop_free(chain, X509_free);
2434 #ifndef OPENSSL_NO_SRP
2435 OPENSSL_free(srp_arg.srppassin);
2439 X509_VERIFY_PARAM_free(vpm);
2440 ssl_excert_free(exc);
2441 sk_OPENSSL_STRING_free(ssl_args);
2442 sk_OPENSSL_STRING_free(dane_tlsa_rrset);
2443 SSL_CONF_CTX_free(cctx);
2444 OPENSSL_clear_free(cbuf, BUFSIZZ);
2445 OPENSSL_clear_free(sbuf, BUFSIZZ);
2446 OPENSSL_clear_free(mbuf, BUFSIZZ);
2447 BIO_free(bio_c_out);
2449 BIO_free(bio_c_msg);
2454 static void print_stuff(BIO *bio, SSL *s, int full)
2459 STACK_OF(X509_NAME) *sk2;
2460 const SSL_CIPHER *c;
2463 #ifndef OPENSSL_NO_COMP
2464 const COMP_METHOD *comp, *expansion;
2466 unsigned char *exportedkeymat;
2467 #ifndef OPENSSL_NO_CT
2468 const SSL_CTX *ctx = SSL_get_SSL_CTX(s);
2472 int got_a_chain = 0;
2474 sk = SSL_get_peer_cert_chain(s);
2478 BIO_printf(bio, "---\nCertificate chain\n");
2479 for (i = 0; i < sk_X509_num(sk); i++) {
2480 X509_NAME_oneline(X509_get_subject_name(sk_X509_value(sk, i)),
2482 BIO_printf(bio, "%2d s:%s\n", i, buf);
2483 X509_NAME_oneline(X509_get_issuer_name(sk_X509_value(sk, i)),
2485 BIO_printf(bio, " i:%s\n", buf);
2487 PEM_write_bio_X509(bio, sk_X509_value(sk, i));
2491 BIO_printf(bio, "---\n");
2492 peer = SSL_get_peer_certificate(s);
2494 BIO_printf(bio, "Server certificate\n");
2496 /* Redundant if we showed the whole chain */
2497 if (!(c_showcerts && got_a_chain))
2498 PEM_write_bio_X509(bio, peer);
2499 X509_NAME_oneline(X509_get_subject_name(peer), buf, sizeof buf);
2500 BIO_printf(bio, "subject=%s\n", buf);
2501 X509_NAME_oneline(X509_get_issuer_name(peer), buf, sizeof buf);
2502 BIO_printf(bio, "issuer=%s\n", buf);
2504 BIO_printf(bio, "no peer certificate available\n");
2506 sk2 = SSL_get_client_CA_list(s);
2507 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0)) {
2508 BIO_printf(bio, "---\nAcceptable client certificate CA names\n");
2509 for (i = 0; i < sk_X509_NAME_num(sk2); i++) {
2510 xn = sk_X509_NAME_value(sk2, i);
2511 X509_NAME_oneline(xn, buf, sizeof(buf));
2512 BIO_write(bio, buf, strlen(buf));
2513 BIO_write(bio, "\n", 1);
2516 BIO_printf(bio, "---\nNo client certificate CA names sent\n");
2519 ssl_print_sigalgs(bio, s);
2520 ssl_print_tmp_key(bio, s);
2522 #ifndef OPENSSL_NO_CT
2524 * When the SSL session is anonymous, or resumed via an abbreviated
2525 * handshake, no SCTs are provided as part of the handshake. While in
2526 * a resumed session SCTs may be present in the session's certificate,
2527 * no callbacks are invoked to revalidate these, and in any case that
2528 * set of SCTs may be incomplete. Thus it makes little sense to
2529 * attempt to display SCTs from a resumed session's certificate, and of
2530 * course none are associated with an anonymous peer.
2532 if (peer != NULL && !SSL_session_reused(s) && SSL_ct_is_enabled(s)) {
2533 const STACK_OF(SCT) *scts = SSL_get0_peer_scts(s);
2534 int sct_count = scts != NULL ? sk_SCT_num(scts) : 0;
2536 BIO_printf(bio, "---\nSCTs present (%i)\n", sct_count);
2537 if (sct_count > 0) {
2538 const CTLOG_STORE *log_store = SSL_CTX_get0_ctlog_store(ctx);
2540 BIO_printf(bio, "---\n");
2541 for (i = 0; i < sct_count; ++i) {
2542 SCT *sct = sk_SCT_value(scts, i);
2544 BIO_printf(bio, "SCT validation status: %s\n",
2545 SCT_validation_status_string(sct));
2546 SCT_print(sct, bio, 0, log_store);
2547 if (i < sct_count - 1)
2548 BIO_printf(bio, "\n---\n");
2550 BIO_printf(bio, "\n");
2556 "---\nSSL handshake has read %"PRIu64" bytes and written %"PRIu64" bytes\n",
2557 BIO_number_read(SSL_get_rbio(s)),
2558 BIO_number_written(SSL_get_wbio(s)));
2560 print_verify_detail(s, bio);
2561 BIO_printf(bio, (SSL_session_reused(s) ? "---\nReused, " : "---\nNew, "));
2562 c = SSL_get_current_cipher(s);
2563 BIO_printf(bio, "%s, Cipher is %s\n",
2564 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
2568 pktmp = X509_get0_pubkey(peer);
2569 BIO_printf(bio, "Server public key is %d bit\n",
2570 EVP_PKEY_bits(pktmp));
2572 BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
2573 SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
2574 #ifndef OPENSSL_NO_COMP
2575 comp = SSL_get_current_compression(s);
2576 expansion = SSL_get_current_expansion(s);
2577 BIO_printf(bio, "Compression: %s\n",
2578 comp ? SSL_COMP_get_name(comp) : "NONE");
2579 BIO_printf(bio, "Expansion: %s\n",
2580 expansion ? SSL_COMP_get_name(expansion) : "NONE");
2585 /* Print out local port of connection: useful for debugging */
2587 struct sockaddr_in ladd;
2588 socklen_t ladd_size = sizeof(ladd);
2589 sock = SSL_get_fd(s);
2590 getsockname(sock, (struct sockaddr *)&ladd, &ladd_size);
2591 BIO_printf(bio_c_out, "LOCAL PORT is %u\n", ntohs(ladd.sin_port));
2595 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2596 if (next_proto.status != -1) {
2597 const unsigned char *proto;
2598 unsigned int proto_len;
2599 SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
2600 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
2601 BIO_write(bio, proto, proto_len);
2602 BIO_write(bio, "\n", 1);
2606 const unsigned char *proto;
2607 unsigned int proto_len;
2608 SSL_get0_alpn_selected(s, &proto, &proto_len);
2609 if (proto_len > 0) {
2610 BIO_printf(bio, "ALPN protocol: ");
2611 BIO_write(bio, proto, proto_len);
2612 BIO_write(bio, "\n", 1);
2614 BIO_printf(bio, "No ALPN negotiated\n");
2617 #ifndef OPENSSL_NO_SRTP
2619 SRTP_PROTECTION_PROFILE *srtp_profile =
2620 SSL_get_selected_srtp_profile(s);
2623 BIO_printf(bio, "SRTP Extension negotiated, profile=%s\n",
2624 srtp_profile->name);
2628 SSL_SESSION_print(bio, SSL_get_session(s));
2629 if (keymatexportlabel != NULL) {
2630 BIO_printf(bio, "Keying material exporter:\n");
2631 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel);
2632 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen);
2633 exportedkeymat = app_malloc(keymatexportlen, "export key");
2634 if (!SSL_export_keying_material(s, exportedkeymat,
2637 strlen(keymatexportlabel),
2639 BIO_printf(bio, " Error\n");
2641 BIO_printf(bio, " Keying material: ");
2642 for (i = 0; i < keymatexportlen; i++)
2643 BIO_printf(bio, "%02X", exportedkeymat[i]);
2644 BIO_printf(bio, "\n");
2646 OPENSSL_free(exportedkeymat);
2648 BIO_printf(bio, "---\n");
2650 /* flush, or debugging output gets mixed with http response */
2651 (void)BIO_flush(bio);
2654 # ifndef OPENSSL_NO_OCSP
2655 static int ocsp_resp_cb(SSL *s, void *arg)
2657 const unsigned char *p;
2660 len = SSL_get_tlsext_status_ocsp_resp(s, &p);
2661 BIO_puts(arg, "OCSP response: ");
2663 BIO_puts(arg, "no response sent\n");
2666 rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
2668 BIO_puts(arg, "response parse error\n");
2669 BIO_dump_indent(arg, (char *)p, len, 4);
2672 BIO_puts(arg, "\n======================================\n");
2673 OCSP_RESPONSE_print(arg, rsp, 0);
2674 BIO_puts(arg, "======================================\n");
2675 OCSP_RESPONSE_free(rsp);