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;
822 int read_buf_len = 0;
823 int fallback_scsv = 0;
826 #ifndef OPENSSL_NO_DTLS
827 int enable_timeouts = 0;
830 #ifndef OPENSSL_NO_ENGINE
831 ENGINE *ssl_client_engine = NULL;
834 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
837 char *servername = NULL;
838 const char *alpn_in = NULL;
839 tlsextctx tlsextcbp = { NULL, 0 };
840 const char *ssl_config = NULL;
841 #define MAX_SI_TYPES 100
842 unsigned short serverinfo_types[MAX_SI_TYPES];
843 int serverinfo_count = 0, start = 0, len;
844 #ifndef OPENSSL_NO_NEXTPROTONEG
845 const char *next_proto_neg_in = NULL;
847 #ifndef OPENSSL_NO_SRP
848 char *srppass = NULL;
849 int srp_lateuser = 0;
850 SRP_ARG srp_arg = { NULL, NULL, 0, 0, 0, 1024 };
852 #ifndef OPENSSL_NO_CT
853 char *ctlog_file = NULL;
854 int ct_validation = 0;
856 int min_version = 0, max_version = 0;
858 unsigned int split_send_fragment = 0;
859 unsigned int max_pipelines = 0;
860 enum { use_inet, use_unix, use_unknown } connect_type = use_unknown;
865 /* Known false-positive of MemorySanitizer. */
866 #if defined(__has_feature)
867 # if __has_feature(memory_sanitizer)
868 __msan_unpoison(&readfds, sizeof(readfds));
869 __msan_unpoison(&writefds, sizeof(writefds));
873 prog = opt_progname(argv[0]);
881 verify_error = X509_V_OK;
882 vpm = X509_VERIFY_PARAM_new();
883 cbuf = app_malloc(BUFSIZZ, "cbuf");
884 sbuf = app_malloc(BUFSIZZ, "sbuf");
885 mbuf = app_malloc(BUFSIZZ, "mbuf");
886 cctx = SSL_CONF_CTX_new();
888 if (vpm == NULL || cctx == NULL) {
889 BIO_printf(bio_err, "%s: out of memory\n", prog);
893 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT | SSL_CONF_FLAG_CMDLINE);
895 prog = opt_init(argc, argv, s_client_options);
896 while ((o = opt_next()) != OPT_EOF) {
897 /* Check for intermixing flags. */
898 if (connect_type == use_unix && IS_INET_FLAG(o)) {
900 "%s: Intermixed protocol flags (unix and internet domains)\n",
904 if (connect_type == use_inet && IS_UNIX_FLAG(o)) {
906 "%s: Intermixed protocol flags (internet and unix domains)\n",
914 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
917 opt_help(s_client_options);
921 connect_type = use_inet;
922 socket_family = AF_INET;
927 connect_type = use_inet;
928 socket_family = AF_INET6;
933 connect_type = use_inet;
934 freeandcopy(&host, opt_arg());
937 connect_type = use_inet;
938 freeandcopy(&port, opt_arg());
941 connect_type = use_inet;
942 freeandcopy(&connectstr, opt_arg());
945 proxystr = opt_arg();
946 starttls_proto = PROTO_CONNECT;
950 connect_type = use_unix;
951 socket_family = AF_UNIX;
952 freeandcopy(&host, opt_arg());
956 xmpphost = opt_arg();
962 verify = SSL_VERIFY_PEER;
963 verify_depth = atoi(opt_arg());
965 BIO_printf(bio_err, "verify depth is %d\n", verify_depth);
968 cert_file = opt_arg();
971 crl_file = opt_arg();
973 case OPT_CRL_DOWNLOAD:
977 sess_out = opt_arg();
983 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &cert_format))
987 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
990 case OPT_VERIFY_RET_ERROR:
991 verify_return_error = 1;
993 case OPT_VERIFY_QUIET:
997 c_brief = verify_quiet = c_quiet = 1;
1000 if (ssl_args == NULL)
1001 ssl_args = sk_OPENSSL_STRING_new_null();
1002 if (ssl_args == NULL
1003 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
1004 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
1005 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1010 if (!opt_verify(o, vpm))
1015 if (!args_excert(o, &exc))
1025 c_quiet = c_ign_eof = 1;
1034 e = setup_engine(opt_arg(), 1);
1036 case OPT_SSL_CLIENT_ENGINE:
1037 #ifndef OPENSSL_NO_ENGINE
1038 ssl_client_engine = ENGINE_by_id(opt_arg());
1039 if (ssl_client_engine == NULL) {
1040 BIO_printf(bio_err, "Error getting client auth engine\n");
1051 case OPT_NO_IGN_EOF:
1057 case OPT_TLSEXTDEBUG:
1072 bio_c_msg = BIO_new_file(opt_arg(), "w");
1075 #ifndef OPENSSL_NO_SSL_TRACE
1079 case OPT_SECURITY_DEBUG:
1082 case OPT_SECURITY_DEBUG_VERBOSE:
1094 #ifndef OPENSSL_NO_PSK
1095 case OPT_PSK_IDENTITY:
1096 psk_identity = opt_arg();
1099 for (p = psk_key = opt_arg(); *p; p++) {
1100 if (isxdigit(_UC(*p)))
1102 BIO_printf(bio_err, "Not a hex number '%s'\n", psk_key);
1107 #ifndef OPENSSL_NO_SRP
1109 srp_arg.srplogin = opt_arg();
1110 if (min_version < TLS1_VERSION)
1111 min_version = TLS1_VERSION;
1114 srppass = opt_arg();
1115 if (min_version < TLS1_VERSION)
1116 min_version = TLS1_VERSION;
1118 case OPT_SRP_STRENGTH:
1119 srp_arg.strength = atoi(opt_arg());
1120 BIO_printf(bio_err, "SRP minimal length for N is %d\n",
1122 if (min_version < TLS1_VERSION)
1123 min_version = TLS1_VERSION;
1125 case OPT_SRP_LATEUSER:
1127 if (min_version < TLS1_VERSION)
1128 min_version = TLS1_VERSION;
1130 case OPT_SRP_MOREGROUPS:
1132 if (min_version < TLS1_VERSION)
1133 min_version = TLS1_VERSION;
1136 case OPT_SSL_CONFIG:
1137 ssl_config = opt_arg();
1140 min_version = SSL3_VERSION;
1141 max_version = SSL3_VERSION;
1144 min_version = TLS1_2_VERSION;
1145 max_version = TLS1_2_VERSION;
1148 min_version = TLS1_1_VERSION;
1149 max_version = TLS1_1_VERSION;
1152 min_version = TLS1_VERSION;
1153 max_version = TLS1_VERSION;
1156 #ifndef OPENSSL_NO_DTLS
1157 meth = DTLS_client_method();
1158 socket_type = SOCK_DGRAM;
1162 #ifndef OPENSSL_NO_DTLS1
1163 meth = DTLS_client_method();
1164 min_version = DTLS1_VERSION;
1165 max_version = DTLS1_VERSION;
1166 socket_type = SOCK_DGRAM;
1170 #ifndef OPENSSL_NO_DTLS1_2
1171 meth = DTLS_client_method();
1172 min_version = DTLS1_2_VERSION;
1173 max_version = DTLS1_2_VERSION;
1174 socket_type = SOCK_DGRAM;
1178 #ifndef OPENSSL_NO_DTLS
1179 enable_timeouts = 1;
1183 #ifndef OPENSSL_NO_DTLS
1184 socket_mtu = atol(opt_arg());
1187 case OPT_FALLBACKSCSV:
1191 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &key_format))
1195 passarg = opt_arg();
1197 case OPT_CERT_CHAIN:
1198 chain_file = opt_arg();
1201 key_file = opt_arg();
1212 case OPT_CHAINCAPATH:
1213 chCApath = opt_arg();
1215 case OPT_VERIFYCAPATH:
1216 vfyCApath = opt_arg();
1218 case OPT_BUILD_CHAIN:
1227 #ifndef OPENSSL_NO_CT
1234 case OPT_CTLOG_FILE:
1235 ctlog_file = opt_arg();
1238 case OPT_CHAINCAFILE:
1239 chCAfile = opt_arg();
1241 case OPT_VERIFYCAFILE:
1242 vfyCAfile = opt_arg();
1244 case OPT_DANE_TLSA_DOMAIN:
1245 dane_tlsa_domain = opt_arg();
1247 case OPT_DANE_TLSA_RRDATA:
1248 if (dane_tlsa_rrset == NULL)
1249 dane_tlsa_rrset = sk_OPENSSL_STRING_new_null();
1250 if (dane_tlsa_rrset == NULL ||
1251 !sk_OPENSSL_STRING_push(dane_tlsa_rrset, opt_arg())) {
1252 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1256 case OPT_NEXTPROTONEG:
1257 #ifndef OPENSSL_NO_NEXTPROTONEG
1258 next_proto_neg_in = opt_arg();
1262 alpn_in = opt_arg();
1264 case OPT_SERVERINFO:
1267 for (start = 0, i = 0; i <= len; ++i) {
1268 if (i == len || p[i] == ',') {
1269 serverinfo_types[serverinfo_count] = atoi(p + start);
1270 if (++serverinfo_count == MAX_SI_TYPES)
1277 if (!opt_pair(opt_arg(), services, &starttls_proto))
1280 case OPT_SERVERNAME:
1281 servername = opt_arg();
1284 srtp_profiles = opt_arg();
1286 case OPT_KEYMATEXPORT:
1287 keymatexportlabel = opt_arg();
1289 case OPT_KEYMATEXPORTLEN:
1290 keymatexportlen = atoi(opt_arg());
1295 case OPT_SPLIT_SEND_FRAG:
1296 split_send_fragment = atoi(opt_arg());
1297 if (split_send_fragment == 0) {
1299 * Not allowed - set to a deliberately bad value so we get an
1300 * error message below
1302 split_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH + 1;
1305 case OPT_MAX_PIPELINES:
1306 max_pipelines = atoi(opt_arg());
1309 read_buf_len = atoi(opt_arg());
1313 if (count4or6 >= 2) {
1314 BIO_printf(bio_err, "%s: Can't use both -4 and -6\n", prog);
1317 argc = opt_num_rest();
1323 char *tmp_host = host, *tmp_port = port;
1324 if (connectstr == NULL) {
1325 BIO_printf(bio_err, "%s: -proxy requires use of -connect\n", prog);
1328 res = BIO_parse_hostserv(proxystr, &host, &port, BIO_PARSE_PRIO_HOST);
1329 if (tmp_host != host)
1330 OPENSSL_free(tmp_host);
1331 if (tmp_port != port)
1332 OPENSSL_free(tmp_port);
1334 BIO_printf(bio_err, "%s: -proxy argument malformed or ambiguous\n",
1340 char *tmp_host = host, *tmp_port = port;
1341 if (connectstr != NULL)
1342 res = BIO_parse_hostserv(connectstr, &host, &port,
1343 BIO_PARSE_PRIO_HOST);
1344 if (tmp_host != host)
1345 OPENSSL_free(tmp_host);
1346 if (tmp_port != port)
1347 OPENSSL_free(tmp_port);
1350 "%s: -connect argument malformed or ambiguous\n",
1356 if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) {
1358 "Can't use unix sockets and datagrams together\n");
1362 if (split_send_fragment > SSL3_RT_MAX_PLAIN_LENGTH) {
1363 BIO_printf(bio_err, "Bad split send fragment size\n");
1367 if (max_pipelines > SSL_MAX_PIPELINES) {
1368 BIO_printf(bio_err, "Bad max pipelines value\n");
1372 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1373 next_proto.status = -1;
1374 if (next_proto_neg_in) {
1376 next_protos_parse(&next_proto.len, next_proto_neg_in);
1377 if (next_proto.data == NULL) {
1378 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n");
1382 next_proto.data = NULL;
1385 if (!app_passwd(passarg, NULL, &pass, NULL)) {
1386 BIO_printf(bio_err, "Error getting password\n");
1390 if (key_file == NULL)
1391 key_file = cert_file;
1394 key = load_key(key_file, key_format, 0, pass, e,
1395 "client certificate private key file");
1397 ERR_print_errors(bio_err);
1403 cert = load_cert(cert_file, cert_format, "client certificate file");
1405 ERR_print_errors(bio_err);
1411 if (!load_certs(chain_file, &chain, FORMAT_PEM, NULL,
1412 "client certificate chain"))
1418 crl = load_crl(crl_file, crl_format);
1420 BIO_puts(bio_err, "Error loading CRL\n");
1421 ERR_print_errors(bio_err);
1424 crls = sk_X509_CRL_new_null();
1425 if (crls == NULL || !sk_X509_CRL_push(crls, crl)) {
1426 BIO_puts(bio_err, "Error adding CRL\n");
1427 ERR_print_errors(bio_err);
1433 if (!load_excert(&exc))
1436 if (!app_RAND_load_file(NULL, 1) && inrand == NULL
1437 && !RAND_status()) {
1439 "warning, not much extra random data, consider using the -rand option\n");
1441 if (inrand != NULL) {
1442 randamt = app_RAND_load_files(inrand);
1443 BIO_printf(bio_err, "%ld semi-random bytes loaded\n", randamt);
1446 if (bio_c_out == NULL) {
1447 if (c_quiet && !c_debug) {
1448 bio_c_out = BIO_new(BIO_s_null());
1449 if (c_msg && !bio_c_msg)
1450 bio_c_msg = dup_bio_out(FORMAT_TEXT);
1451 } else if (bio_c_out == NULL)
1452 bio_c_out = dup_bio_out(FORMAT_TEXT);
1454 #ifndef OPENSSL_NO_SRP
1455 if (!app_passwd(srppass, NULL, &srp_arg.srppassin, NULL)) {
1456 BIO_printf(bio_err, "Error getting password\n");
1461 ctx = SSL_CTX_new(meth);
1463 ERR_print_errors(bio_err);
1468 ssl_ctx_security_debug(ctx, sdebug);
1471 if (SSL_CTX_config(ctx, ssl_config) == 0) {
1472 BIO_printf(bio_err, "Error using configuration \"%s\"\n",
1474 ERR_print_errors(bio_err);
1479 if (SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
1481 if (SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
1484 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
1485 BIO_printf(bio_err, "Error setting verify params\n");
1486 ERR_print_errors(bio_err);
1491 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
1493 if (split_send_fragment > 0) {
1494 SSL_CTX_set_split_send_fragment(ctx, split_send_fragment);
1496 if (max_pipelines > 0) {
1497 SSL_CTX_set_max_pipelines(ctx, max_pipelines);
1500 if (read_buf_len > 0) {
1501 SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len);
1504 if (!config_ctx(cctx, ssl_args, ctx))
1507 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1508 crls, crl_download)) {
1509 BIO_printf(bio_err, "Error loading store locations\n");
1510 ERR_print_errors(bio_err);
1513 #ifndef OPENSSL_NO_ENGINE
1514 if (ssl_client_engine) {
1515 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine)) {
1516 BIO_puts(bio_err, "Error setting client auth engine\n");
1517 ERR_print_errors(bio_err);
1518 ENGINE_free(ssl_client_engine);
1521 ENGINE_free(ssl_client_engine);
1525 #ifndef OPENSSL_NO_PSK
1526 if (psk_key != NULL) {
1528 BIO_printf(bio_c_out,
1529 "PSK key given, setting client callback\n");
1530 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
1533 #ifndef OPENSSL_NO_SRTP
1534 if (srtp_profiles != NULL) {
1535 /* Returns 0 on success! */
1536 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
1537 BIO_printf(bio_err, "Error setting SRTP profile\n");
1538 ERR_print_errors(bio_err);
1545 ssl_ctx_set_excert(ctx, exc);
1547 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1548 if (next_proto.data)
1549 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
1553 unsigned char *alpn = next_protos_parse(&alpn_len, alpn_in);
1556 BIO_printf(bio_err, "Error parsing -alpn argument\n");
1559 /* Returns 0 on success! */
1560 if (SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len) != 0) {
1561 BIO_printf(bio_err, "Error setting ALPN\n");
1567 for (i = 0; i < serverinfo_count; i++) {
1568 if (!SSL_CTX_add_client_custom_ext(ctx,
1569 serverinfo_types[i],
1571 serverinfo_cli_parse_cb, NULL)) {
1573 "Warning: Unable to add custom extension %u, skipping\n",
1574 serverinfo_types[i]);
1579 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1581 #ifndef OPENSSL_NO_CT
1582 /* Enable SCT processing, without early connection termination */
1583 if (ct_validation &&
1584 !SSL_CTX_enable_ct(ctx, SSL_CT_VALIDATION_PERMISSIVE)) {
1585 ERR_print_errors(bio_err);
1589 if (!ctx_set_ctlog_list_file(ctx, ctlog_file)) {
1590 if (ct_validation) {
1591 ERR_print_errors(bio_err);
1596 * If CT validation is not enabled, the log list isn't needed so don't
1597 * show errors or abort. We try to load it regardless because then we
1598 * can show the names of the logs any SCTs came from (SCTs may be seen
1599 * even with validation disabled).
1605 SSL_CTX_set_verify(ctx, verify, verify_callback);
1607 if (!ctx_set_verify_locations(ctx, CAfile, CApath, noCAfile, noCApath)) {
1608 ERR_print_errors(bio_err);
1612 ssl_ctx_add_crls(ctx, crls, crl_download);
1614 if (!set_cert_key_stuff(ctx, cert, key, chain, build_chain))
1617 if (servername != NULL) {
1618 tlsextcbp.biodebug = bio_err;
1619 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1620 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1622 # ifndef OPENSSL_NO_SRP
1623 if (srp_arg.srplogin) {
1624 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin)) {
1625 BIO_printf(bio_err, "Unable to set SRP username\n");
1628 srp_arg.msg = c_msg;
1629 srp_arg.debug = c_debug;
1630 SSL_CTX_set_srp_cb_arg(ctx, &srp_arg);
1631 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb);
1632 SSL_CTX_set_srp_strength(ctx, srp_arg.strength);
1633 if (c_msg || c_debug || srp_arg.amp == 0)
1634 SSL_CTX_set_srp_verify_param_callback(ctx,
1635 ssl_srp_verify_param_cb);
1639 if (dane_tlsa_domain != NULL) {
1640 if (SSL_CTX_dane_enable(ctx) <= 0) {
1642 "%s: Error enabling DANE TLSA authentication.\n", prog);
1643 ERR_print_errors(bio_err);
1651 BIO *stmp = BIO_new_file(sess_in, "r");
1653 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1654 ERR_print_errors(bio_err);
1657 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1660 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1661 ERR_print_errors(bio_err);
1664 if (!SSL_set_session(con, sess)) {
1665 BIO_printf(bio_err, "Can't set session\n");
1666 ERR_print_errors(bio_err);
1669 SSL_SESSION_free(sess);
1673 SSL_set_mode(con, SSL_MODE_SEND_FALLBACK_SCSV);
1675 if (servername != NULL) {
1676 if (!SSL_set_tlsext_host_name(con, servername)) {
1677 BIO_printf(bio_err, "Unable to set TLS servername extension.\n");
1678 ERR_print_errors(bio_err);
1683 if (dane_tlsa_domain != NULL) {
1684 if (SSL_dane_enable(con, dane_tlsa_domain) <= 0) {
1685 BIO_printf(bio_err, "%s: Error enabling DANE TLSA "
1686 "authentication.\n", prog);
1687 ERR_print_errors(bio_err);
1690 if (dane_tlsa_rrset == NULL) {
1691 BIO_printf(bio_err, "%s: DANE TLSA authentication requires at "
1692 "least one -dane_tlsa_rrset option.\n", prog);
1695 if (tlsa_import_rrset(con, dane_tlsa_rrset) <= 0) {
1696 BIO_printf(bio_err, "%s: Failed to import any TLSA "
1697 "records.\n", prog);
1700 } else if (dane_tlsa_rrset != NULL) {
1701 BIO_printf(bio_err, "%s: DANE TLSA authentication requires the "
1702 "-dane_tlsa_domain option.\n", prog);
1707 if (init_client(&s, host, port, socket_family, socket_type) == 0)
1709 BIO_printf(bio_err, "connect:errno=%d\n", get_last_socket_error());
1713 BIO_printf(bio_c_out, "CONNECTED(%08X)\n", s);
1716 if (!BIO_socket_nbio(s, 1)) {
1717 ERR_print_errors(bio_err);
1720 BIO_printf(bio_c_out, "Turned on non blocking io\n");
1722 #ifndef OPENSSL_NO_DTLS
1723 if (socket_type == SOCK_DGRAM) {
1724 struct sockaddr peer;
1725 int peerlen = sizeof peer;
1727 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
1728 if (getsockname(s, &peer, (void *)&peerlen) < 0) {
1729 BIO_printf(bio_err, "getsockname:errno=%d\n",
1730 get_last_socket_error());
1735 (void)BIO_ctrl_set_connected(sbio, &peer);
1737 if (enable_timeouts) {
1739 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1740 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1743 timeout.tv_usec = DGRAM_SND_TIMEOUT;
1744 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1748 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
1749 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
1750 DTLS_get_link_min_mtu(con));
1754 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1755 if (!DTLS_set_link_mtu(con, socket_mtu)) {
1756 BIO_printf(bio_err, "Failed to set MTU\n");
1761 /* want to do MTU discovery */
1762 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1764 #endif /* OPENSSL_NO_DTLS */
1765 sbio = BIO_new_socket(s, BIO_NOCLOSE);
1770 test = BIO_new(BIO_f_nbio_test());
1771 sbio = BIO_push(test, sbio);
1775 BIO_set_callback(sbio, bio_dump_callback);
1776 BIO_set_callback_arg(sbio, (char *)bio_c_out);
1779 #ifndef OPENSSL_NO_SSL_TRACE
1781 SSL_set_msg_callback(con, SSL_trace);
1784 SSL_set_msg_callback(con, msg_cb);
1785 SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out);
1788 if (c_tlsextdebug) {
1789 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1790 SSL_set_tlsext_debug_arg(con, bio_c_out);
1792 #ifndef OPENSSL_NO_OCSP
1794 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
1795 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
1796 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
1800 SSL_set_bio(con, sbio, sbio);
1801 SSL_set_connect_state(con);
1803 /* ok, lets connect */
1804 width = SSL_get_fd(con) + 1;
1817 switch ((PROTOCOL_CHOICE) starttls_proto) {
1823 * This is an ugly hack that does a lot of assumptions. We do
1824 * have to handle multi-line responses which may come in a single
1825 * packet or not. We therefore have to use BIO_gets() which does
1826 * need a buffering BIO. So during the initial chitchat we do
1827 * push a buffering BIO into the chain that is removed again
1828 * later on to not disturb the rest of the s_client operation.
1831 BIO *fbio = BIO_new(BIO_f_buffer());
1832 BIO_push(fbio, sbio);
1833 /* wait for multi-line response to end from SMTP */
1835 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1837 while (mbuf_len > 3 && mbuf[3] == '-');
1838 BIO_printf(fbio, "EHLO %s\r\n", ehlo);
1839 (void)BIO_flush(fbio);
1840 /* wait for multi-line response to end EHLO SMTP response */
1842 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1843 if (strstr(mbuf, "STARTTLS"))
1846 while (mbuf_len > 3 && mbuf[3] == '-');
1847 (void)BIO_flush(fbio);
1852 "didn't find starttls in server response,"
1853 " trying anyway...\n");
1854 BIO_printf(sbio, "STARTTLS\r\n");
1855 BIO_read(sbio, sbuf, BUFSIZZ);
1860 BIO_read(sbio, mbuf, BUFSIZZ);
1861 BIO_printf(sbio, "STLS\r\n");
1862 mbuf_len = BIO_read(sbio, sbuf, BUFSIZZ);
1864 BIO_printf(bio_err, "BIO_read failed\n");
1872 BIO *fbio = BIO_new(BIO_f_buffer());
1873 BIO_push(fbio, sbio);
1874 BIO_gets(fbio, mbuf, BUFSIZZ);
1875 /* STARTTLS command requires CAPABILITY... */
1876 BIO_printf(fbio, ". CAPABILITY\r\n");
1877 (void)BIO_flush(fbio);
1878 /* wait for multi-line CAPABILITY response */
1880 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1881 if (strstr(mbuf, "STARTTLS"))
1884 while (mbuf_len > 3 && mbuf[0] != '.');
1885 (void)BIO_flush(fbio);
1890 "didn't find STARTTLS in server response,"
1891 " trying anyway...\n");
1892 BIO_printf(sbio, ". STARTTLS\r\n");
1893 BIO_read(sbio, sbuf, BUFSIZZ);
1898 BIO *fbio = BIO_new(BIO_f_buffer());
1899 BIO_push(fbio, sbio);
1900 /* wait for multi-line response to end from FTP */
1902 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1904 while (mbuf_len > 3 && mbuf[3] == '-');
1905 (void)BIO_flush(fbio);
1908 BIO_printf(sbio, "AUTH TLS\r\n");
1909 BIO_read(sbio, sbuf, BUFSIZZ);
1913 case PROTO_XMPP_SERVER:
1916 BIO_printf(sbio, "<stream:stream "
1917 "xmlns:stream='http://etherx.jabber.org/streams' "
1918 "xmlns='jabber:%s' to='%s' version='1.0'>",
1919 starttls_proto == PROTO_XMPP ? "client" : "server",
1920 xmpphost ? xmpphost : host);
1921 seen = BIO_read(sbio, mbuf, BUFSIZZ);
1924 (mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")
1926 "<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\""))
1928 seen = BIO_read(sbio, mbuf, BUFSIZZ);
1936 "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
1937 seen = BIO_read(sbio, sbuf, BUFSIZZ);
1939 if (!strstr(sbuf, "<proceed"))
1946 static const unsigned char tls_do[] = {
1947 /* IAC DO START_TLS */
1950 static const unsigned char tls_will[] = {
1951 /* IAC WILL START_TLS */
1954 static const unsigned char tls_follows[] = {
1955 /* IAC SB START_TLS FOLLOWS IAC SE */
1956 255, 250, 46, 1, 255, 240
1960 /* Telnet server should demand we issue START_TLS */
1961 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
1962 if (bytes != 3 || memcmp(mbuf, tls_do, 3) != 0)
1964 /* Agree to issue START_TLS and send the FOLLOWS sub-command */
1965 BIO_write(sbio, tls_will, 3);
1966 BIO_write(sbio, tls_follows, 6);
1967 (void)BIO_flush(sbio);
1968 /* Telnet server also sent the FOLLOWS sub-command */
1969 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
1970 if (bytes != 6 || memcmp(mbuf, tls_follows, 6) != 0)
1977 BIO *fbio = BIO_new(BIO_f_buffer());
1979 BIO_push(fbio, sbio);
1980 BIO_printf(fbio, "CONNECT %s HTTP/1.0\r\n\r\n", connectstr);
1981 (void)BIO_flush(fbio);
1982 /* wait for multi-line response to end CONNECT response */
1984 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1985 if (strstr(mbuf, "200") != NULL
1986 && strstr(mbuf, "established") != NULL)
1988 } while (mbuf_len > 3 && foundit == 0);
1989 (void)BIO_flush(fbio);
1993 BIO_printf(bio_err, "%s: HTTP CONNECT failed\n", prog);
2001 BIO *fbio = BIO_new(BIO_f_buffer());
2003 BIO_push(fbio, sbio);
2004 BIO_printf(fbio, "STARTTLS\r\n");
2005 (void)BIO_flush(fbio);
2006 width = SSL_get_fd(con) + 1;
2012 openssl_fdset(SSL_get_fd(con), &readfds);
2013 timeout.tv_sec = S_CLIENT_IRC_READ_TIMEOUT;
2014 timeout.tv_usec = 0;
2016 * If the IRCd doesn't respond within
2017 * S_CLIENT_IRC_READ_TIMEOUT seconds, assume
2018 * it doesn't support STARTTLS. Many IRCds
2019 * will not give _any_ sort of response to a
2020 * STARTTLS command when it's not supported.
2022 if (!BIO_get_buffer_num_lines(fbio)
2023 && !BIO_pending(fbio)
2024 && !BIO_pending(sbio)
2025 && select(width, (void *)&readfds, NULL, NULL,
2028 "Timeout waiting for response (%d seconds).\n",
2029 S_CLIENT_IRC_READ_TIMEOUT);
2033 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2034 if (mbuf_len < 1 || sscanf(mbuf, "%*s %d", &numeric) != 1)
2036 /* :example.net 451 STARTTLS :You have not registered */
2037 /* :example.net 421 STARTTLS :Unknown command */
2038 if ((numeric == 451 || numeric == 421)
2039 && strstr(mbuf, "STARTTLS") != NULL) {
2040 BIO_printf(bio_err, "STARTTLS not supported: %s", mbuf);
2043 if (numeric == 691) {
2044 BIO_printf(bio_err, "STARTTLS negotiation failed: ");
2045 ERR_print_errors(bio_err);
2048 } while (numeric != 670);
2050 (void)BIO_flush(fbio);
2053 if (numeric != 670) {
2054 BIO_printf(bio_err, "Server does not support STARTTLS.\n");
2065 if ((SSL_version(con) == DTLS1_VERSION) &&
2066 DTLSv1_get_timeout(con, &timeout))
2067 timeoutp = &timeout;
2071 if (SSL_in_init(con) && !SSL_total_renegotiations(con)) {
2079 if (servername != NULL && !SSL_session_reused(con)) {
2080 BIO_printf(bio_c_out,
2081 "Server did %sacknowledge servername extension.\n",
2082 tlsextcbp.ack ? "" : "not ");
2086 BIO *stmp = BIO_new_file(sess_out, "w");
2088 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));
2091 BIO_printf(bio_err, "Error writing session file %s\n",
2095 BIO_puts(bio_err, "CONNECTION ESTABLISHED\n");
2096 print_ssl_summary(con);
2099 print_stuff(bio_c_out, con, full_log);
2103 if (starttls_proto) {
2104 BIO_write(bio_err, mbuf, mbuf_len);
2105 /* We don't need to know any more */
2107 starttls_proto = PROTO_OFF;
2112 BIO_printf(bio_c_out,
2113 "drop connection and then reconnect\n");
2114 do_ssl_shutdown(con);
2115 SSL_set_connect_state(con);
2116 BIO_closesocket(SSL_get_fd(con));
2122 ssl_pending = read_ssl && SSL_has_pending(con);
2125 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
2128 * Note that select() returns when read _would not block_,
2129 * and EOF satisfies that. To avoid a CPU-hogging loop,
2130 * set the flag so we exit.
2132 if (read_tty && !at_eof)
2133 openssl_fdset(fileno(stdin), &readfds);
2135 openssl_fdset(fileno(stdout), &writefds);
2138 openssl_fdset(SSL_get_fd(con), &readfds);
2140 openssl_fdset(SSL_get_fd(con), &writefds);
2142 if (!tty_on || !write_tty) {
2144 openssl_fdset(SSL_get_fd(con), &readfds);
2146 openssl_fdset(SSL_get_fd(con), &writefds);
2151 * Note: under VMS with SOCKETSHR the second parameter is
2152 * currently of type (int *) whereas under other systems it is
2153 * (void *) if you don't have a cast it will choke the compiler:
2154 * if you do have a cast then you can either go for (int *) or
2157 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2159 * Under Windows/DOS we make the assumption that we can always
2160 * write to the tty: therefore if we need to write to the tty we
2161 * just fall through. Otherwise we timeout the select every
2162 * second and see if there are any keypresses. Note: this is a
2163 * hack, in a proper Windows application we wouldn't do this.
2170 i = select(width, (void *)&readfds, (void *)&writefds,
2172 if (!i && (!has_stdin_waiting() || !read_tty))
2175 i = select(width, (void *)&readfds, (void *)&writefds,
2179 i = select(width, (void *)&readfds, (void *)&writefds,
2183 BIO_printf(bio_err, "bad select %d\n",
2184 get_last_socket_error());
2190 if ((SSL_version(con) == DTLS1_VERSION)
2191 && DTLSv1_handle_timeout(con) > 0) {
2192 BIO_printf(bio_err, "TIMEOUT occurred\n");
2195 if (!ssl_pending && FD_ISSET(SSL_get_fd(con), &writefds)) {
2196 k = SSL_write(con, &(cbuf[cbuf_off]), (unsigned int)cbuf_len);
2197 switch (SSL_get_error(con, k)) {
2198 case SSL_ERROR_NONE:
2203 /* we have done a write(con,NULL,0); */
2204 if (cbuf_len <= 0) {
2207 } else { /* if (cbuf_len > 0) */
2213 case SSL_ERROR_WANT_WRITE:
2214 BIO_printf(bio_c_out, "write W BLOCK\n");
2218 case SSL_ERROR_WANT_ASYNC:
2219 BIO_printf(bio_c_out, "write A BLOCK\n");
2220 wait_for_async(con);
2224 case SSL_ERROR_WANT_READ:
2225 BIO_printf(bio_c_out, "write R BLOCK\n");
2230 case SSL_ERROR_WANT_X509_LOOKUP:
2231 BIO_printf(bio_c_out, "write X BLOCK\n");
2233 case SSL_ERROR_ZERO_RETURN:
2234 if (cbuf_len != 0) {
2235 BIO_printf(bio_c_out, "shutdown\n");
2244 case SSL_ERROR_SYSCALL:
2245 if ((k != 0) || (cbuf_len != 0)) {
2246 BIO_printf(bio_err, "write:errno=%d\n",
2247 get_last_socket_error());
2254 case SSL_ERROR_WANT_ASYNC_JOB:
2255 /* This shouldn't ever happen in s_client - treat as an error */
2257 ERR_print_errors(bio_err);
2261 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2262 /* Assume Windows/DOS/BeOS can always write */
2263 else if (!ssl_pending && write_tty)
2265 else if (!ssl_pending && FD_ISSET(fileno(stdout), &writefds))
2268 #ifdef CHARSET_EBCDIC
2269 ascii2ebcdic(&(sbuf[sbuf_off]), &(sbuf[sbuf_off]), sbuf_len);
2271 i = raw_write_stdout(&(sbuf[sbuf_off]), sbuf_len);
2274 BIO_printf(bio_c_out, "DONE\n");
2282 if (sbuf_len <= 0) {
2286 } else if (ssl_pending || FD_ISSET(SSL_get_fd(con), &readfds)) {
2291 SSL_renegotiate(con);
2296 k = SSL_read(con, sbuf, 1024 /* BUFSIZZ */ );
2298 switch (SSL_get_error(con, k)) {
2299 case SSL_ERROR_NONE:
2308 case SSL_ERROR_WANT_ASYNC:
2309 BIO_printf(bio_c_out, "read A BLOCK\n");
2310 wait_for_async(con);
2313 if ((read_tty == 0) && (write_ssl == 0))
2316 case SSL_ERROR_WANT_WRITE:
2317 BIO_printf(bio_c_out, "read W BLOCK\n");
2321 case SSL_ERROR_WANT_READ:
2322 BIO_printf(bio_c_out, "read R BLOCK\n");
2325 if ((read_tty == 0) && (write_ssl == 0))
2328 case SSL_ERROR_WANT_X509_LOOKUP:
2329 BIO_printf(bio_c_out, "read X BLOCK\n");
2331 case SSL_ERROR_SYSCALL:
2332 ret = get_last_socket_error();
2334 BIO_puts(bio_err, "CONNECTION CLOSED BY SERVER\n");
2336 BIO_printf(bio_err, "read:errno=%d\n", ret);
2338 case SSL_ERROR_ZERO_RETURN:
2339 BIO_printf(bio_c_out, "closed\n");
2342 case SSL_ERROR_WANT_ASYNC_JOB:
2343 /* This shouldn't ever happen in s_client. Treat as an error */
2345 ERR_print_errors(bio_err);
2350 /* OPENSSL_SYS_MSDOS includes OPENSSL_SYS_WINDOWS */
2351 #if defined(OPENSSL_SYS_MSDOS)
2352 else if (has_stdin_waiting())
2354 else if (FD_ISSET(fileno(stdin), &readfds))
2360 i = raw_read_stdin(cbuf, BUFSIZZ / 2);
2362 /* both loops are skipped when i <= 0 */
2363 for (j = 0; j < i; j++)
2364 if (cbuf[j] == '\n')
2366 for (j = i - 1; j >= 0; j--) {
2367 cbuf[j + lf_num] = cbuf[j];
2368 if (cbuf[j] == '\n') {
2371 cbuf[j + lf_num] = '\r';
2374 assert(lf_num == 0);
2376 i = raw_read_stdin(cbuf, BUFSIZZ);
2381 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q' && cmdletters))) {
2382 BIO_printf(bio_err, "DONE\n");
2387 if ((!c_ign_eof) && (cbuf[0] == 'R' && cmdletters)) {
2388 BIO_printf(bio_err, "RENEGOTIATING\n");
2389 SSL_renegotiate(con);
2392 #ifndef OPENSSL_NO_HEARTBEATS
2393 else if ((!c_ign_eof) && (cbuf[0] == 'B' && cmdletters)) {
2394 BIO_printf(bio_err, "HEARTBEATING\n");
2402 #ifdef CHARSET_EBCDIC
2403 ebcdic2ascii(cbuf, cbuf, i);
2415 print_stuff(bio_c_out, con, full_log);
2416 do_ssl_shutdown(con);
2417 #if defined(OPENSSL_SYS_WINDOWS)
2419 * Give the socket time to send its last data before we close it.
2420 * No amount of setting SO_LINGER etc on the socket seems to persuade
2421 * Windows to send the data before closing the socket...but sleeping
2422 * for a short time seems to do it (units in ms)
2423 * TODO: Find a better way to do this
2427 BIO_closesocket(SSL_get_fd(con));
2431 print_stuff(bio_c_out, con, 1);
2434 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2435 OPENSSL_free(next_proto.data);
2439 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2441 sk_X509_pop_free(chain, X509_free);
2443 #ifndef OPENSSL_NO_SRP
2444 OPENSSL_free(srp_arg.srppassin);
2448 X509_VERIFY_PARAM_free(vpm);
2449 ssl_excert_free(exc);
2450 sk_OPENSSL_STRING_free(ssl_args);
2451 sk_OPENSSL_STRING_free(dane_tlsa_rrset);
2452 SSL_CONF_CTX_free(cctx);
2453 OPENSSL_clear_free(cbuf, BUFSIZZ);
2454 OPENSSL_clear_free(sbuf, BUFSIZZ);
2455 OPENSSL_clear_free(mbuf, BUFSIZZ);
2456 BIO_free(bio_c_out);
2458 BIO_free(bio_c_msg);
2463 static void print_stuff(BIO *bio, SSL *s, int full)
2468 STACK_OF(X509_NAME) *sk2;
2469 const SSL_CIPHER *c;
2472 #ifndef OPENSSL_NO_COMP
2473 const COMP_METHOD *comp, *expansion;
2475 unsigned char *exportedkeymat;
2476 #ifndef OPENSSL_NO_CT
2477 const SSL_CTX *ctx = SSL_get_SSL_CTX(s);
2481 int got_a_chain = 0;
2483 sk = SSL_get_peer_cert_chain(s);
2487 BIO_printf(bio, "---\nCertificate chain\n");
2488 for (i = 0; i < sk_X509_num(sk); i++) {
2489 X509_NAME_oneline(X509_get_subject_name(sk_X509_value(sk, i)),
2491 BIO_printf(bio, "%2d s:%s\n", i, buf);
2492 X509_NAME_oneline(X509_get_issuer_name(sk_X509_value(sk, i)),
2494 BIO_printf(bio, " i:%s\n", buf);
2496 PEM_write_bio_X509(bio, sk_X509_value(sk, i));
2500 BIO_printf(bio, "---\n");
2501 peer = SSL_get_peer_certificate(s);
2503 BIO_printf(bio, "Server certificate\n");
2505 /* Redundant if we showed the whole chain */
2506 if (!(c_showcerts && got_a_chain))
2507 PEM_write_bio_X509(bio, peer);
2508 X509_NAME_oneline(X509_get_subject_name(peer), buf, sizeof buf);
2509 BIO_printf(bio, "subject=%s\n", buf);
2510 X509_NAME_oneline(X509_get_issuer_name(peer), buf, sizeof buf);
2511 BIO_printf(bio, "issuer=%s\n", buf);
2513 BIO_printf(bio, "no peer certificate available\n");
2515 sk2 = SSL_get_client_CA_list(s);
2516 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0)) {
2517 BIO_printf(bio, "---\nAcceptable client certificate CA names\n");
2518 for (i = 0; i < sk_X509_NAME_num(sk2); i++) {
2519 xn = sk_X509_NAME_value(sk2, i);
2520 X509_NAME_oneline(xn, buf, sizeof(buf));
2521 BIO_write(bio, buf, strlen(buf));
2522 BIO_write(bio, "\n", 1);
2525 BIO_printf(bio, "---\nNo client certificate CA names sent\n");
2528 ssl_print_sigalgs(bio, s);
2529 ssl_print_tmp_key(bio, s);
2531 #ifndef OPENSSL_NO_CT
2533 * When the SSL session is anonymous, or resumed via an abbreviated
2534 * handshake, no SCTs are provided as part of the handshake. While in
2535 * a resumed session SCTs may be present in the session's certificate,
2536 * no callbacks are invoked to revalidate these, and in any case that
2537 * set of SCTs may be incomplete. Thus it makes little sense to
2538 * attempt to display SCTs from a resumed session's certificate, and of
2539 * course none are associated with an anonymous peer.
2541 if (peer != NULL && !SSL_session_reused(s) && SSL_ct_is_enabled(s)) {
2542 const STACK_OF(SCT) *scts = SSL_get0_peer_scts(s);
2543 int sct_count = scts != NULL ? sk_SCT_num(scts) : 0;
2545 BIO_printf(bio, "---\nSCTs present (%i)\n", sct_count);
2546 if (sct_count > 0) {
2547 const CTLOG_STORE *log_store = SSL_CTX_get0_ctlog_store(ctx);
2549 BIO_printf(bio, "---\n");
2550 for (i = 0; i < sct_count; ++i) {
2551 SCT *sct = sk_SCT_value(scts, i);
2553 BIO_printf(bio, "SCT validation status: %s\n",
2554 SCT_validation_status_string(sct));
2555 SCT_print(sct, bio, 0, log_store);
2556 if (i < sct_count - 1)
2557 BIO_printf(bio, "\n---\n");
2559 BIO_printf(bio, "\n");
2565 "---\nSSL handshake has read %"PRIu64" bytes and written %"PRIu64" bytes\n",
2566 BIO_number_read(SSL_get_rbio(s)),
2567 BIO_number_written(SSL_get_wbio(s)));
2569 print_verify_detail(s, bio);
2570 BIO_printf(bio, (SSL_session_reused(s) ? "---\nReused, " : "---\nNew, "));
2571 c = SSL_get_current_cipher(s);
2572 BIO_printf(bio, "%s, Cipher is %s\n",
2573 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
2577 pktmp = X509_get0_pubkey(peer);
2578 BIO_printf(bio, "Server public key is %d bit\n",
2579 EVP_PKEY_bits(pktmp));
2581 BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
2582 SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
2583 #ifndef OPENSSL_NO_COMP
2584 comp = SSL_get_current_compression(s);
2585 expansion = SSL_get_current_expansion(s);
2586 BIO_printf(bio, "Compression: %s\n",
2587 comp ? SSL_COMP_get_name(comp) : "NONE");
2588 BIO_printf(bio, "Expansion: %s\n",
2589 expansion ? SSL_COMP_get_name(expansion) : "NONE");
2594 /* Print out local port of connection: useful for debugging */
2596 struct sockaddr_in ladd;
2597 socklen_t ladd_size = sizeof(ladd);
2598 sock = SSL_get_fd(s);
2599 getsockname(sock, (struct sockaddr *)&ladd, &ladd_size);
2600 BIO_printf(bio_c_out, "LOCAL PORT is %u\n", ntohs(ladd.sin_port));
2604 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2605 if (next_proto.status != -1) {
2606 const unsigned char *proto;
2607 unsigned int proto_len;
2608 SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
2609 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
2610 BIO_write(bio, proto, proto_len);
2611 BIO_write(bio, "\n", 1);
2615 const unsigned char *proto;
2616 unsigned int proto_len;
2617 SSL_get0_alpn_selected(s, &proto, &proto_len);
2618 if (proto_len > 0) {
2619 BIO_printf(bio, "ALPN protocol: ");
2620 BIO_write(bio, proto, proto_len);
2621 BIO_write(bio, "\n", 1);
2623 BIO_printf(bio, "No ALPN negotiated\n");
2626 #ifndef OPENSSL_NO_SRTP
2628 SRTP_PROTECTION_PROFILE *srtp_profile =
2629 SSL_get_selected_srtp_profile(s);
2632 BIO_printf(bio, "SRTP Extension negotiated, profile=%s\n",
2633 srtp_profile->name);
2637 SSL_SESSION_print(bio, SSL_get_session(s));
2638 if (keymatexportlabel != NULL) {
2639 BIO_printf(bio, "Keying material exporter:\n");
2640 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel);
2641 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen);
2642 exportedkeymat = app_malloc(keymatexportlen, "export key");
2643 if (!SSL_export_keying_material(s, exportedkeymat,
2646 strlen(keymatexportlabel),
2648 BIO_printf(bio, " Error\n");
2650 BIO_printf(bio, " Keying material: ");
2651 for (i = 0; i < keymatexportlen; i++)
2652 BIO_printf(bio, "%02X", exportedkeymat[i]);
2653 BIO_printf(bio, "\n");
2655 OPENSSL_free(exportedkeymat);
2657 BIO_printf(bio, "---\n");
2659 /* flush, or debugging output gets mixed with http response */
2660 (void)BIO_flush(bio);
2663 # ifndef OPENSSL_NO_OCSP
2664 static int ocsp_resp_cb(SSL *s, void *arg)
2666 const unsigned char *p;
2669 len = SSL_get_tlsext_status_ocsp_resp(s, &p);
2670 BIO_puts(arg, "OCSP response: ");
2672 BIO_puts(arg, "no response sent\n");
2675 rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
2677 BIO_puts(arg, "response parse error\n");
2678 BIO_dump_indent(arg, (char *)p, len, 4);
2681 BIO_puts(arg, "\n======================================\n");
2682 OCSP_RESPONSE_print(arg, rsp, 0);
2683 BIO_puts(arg, "======================================\n");
2684 OCSP_RESPONSE_free(rsp);