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)
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,
184 /* convert the PSK key to binary */
185 key = OPENSSL_hexstr2buf(psk_key, &key_len);
187 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n",
191 if (key_len > max_psk_len) {
193 "psk buffer of callback is too small (%d) for key (%ld)\n",
194 max_psk_len, key_len);
199 memcpy(psk, key, key_len);
203 BIO_printf(bio_c_out, "created PSK len=%ld\n", key_len);
208 BIO_printf(bio_err, "Error in PSK client callback\n");
213 /* This is a context that we pass to callbacks */
214 typedef struct tlsextctx_st {
219 static int ssl_servername_cb(SSL *s, int *ad, void *arg)
221 tlsextctx *p = (tlsextctx *) arg;
222 const char *hn = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
223 if (SSL_get_servername_type(s) != -1)
224 p->ack = !SSL_session_reused(s) && hn != NULL;
226 BIO_printf(bio_err, "Can't use SSL_get_servername\n");
228 return SSL_TLSEXT_ERR_OK;
231 #ifndef OPENSSL_NO_SRP
233 /* This is a context that we pass to all callbacks */
234 typedef struct srp_arg_st {
237 int msg; /* copy from c_msg */
238 int debug; /* copy from c_debug */
239 int amp; /* allow more groups */
240 int strength; /* minimal size for N */
243 # define SRP_NUMBER_ITERATIONS_FOR_PRIME 64
245 static int srp_Verify_N_and_g(const BIGNUM *N, const BIGNUM *g)
247 BN_CTX *bn_ctx = BN_CTX_new();
248 BIGNUM *p = BN_new();
249 BIGNUM *r = BN_new();
251 g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) &&
252 BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
253 p != NULL && BN_rshift1(p, N) &&
255 BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
257 /* verify g^((N-1)/2) == -1 (mod N) */
258 BN_mod_exp(r, g, p, N, bn_ctx) &&
259 BN_add_word(r, 1) && BN_cmp(r, N) == 0;
268 * This callback is used here for two purposes:
269 * - extended debugging
270 * - making some primality tests for unknown groups
271 * The callback is only called for a non default group.
273 * An application does not need the call back at all if
274 * only the standard groups are used. In real life situations,
275 * client and server already share well known groups,
276 * thus there is no need to verify them.
277 * Furthermore, in case that a server actually proposes a group that
278 * is not one of those defined in RFC 5054, it is more appropriate
279 * to add the group to a static list and then compare since
280 * primality tests are rather cpu consuming.
283 static int ssl_srp_verify_param_cb(SSL *s, void *arg)
285 SRP_ARG *srp_arg = (SRP_ARG *)arg;
286 BIGNUM *N = NULL, *g = NULL;
288 if (((N = SSL_get_srp_N(s)) == NULL) || ((g = SSL_get_srp_g(s)) == NULL))
290 if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1) {
291 BIO_printf(bio_err, "SRP parameters:\n");
292 BIO_printf(bio_err, "\tN=");
293 BN_print(bio_err, N);
294 BIO_printf(bio_err, "\n\tg=");
295 BN_print(bio_err, g);
296 BIO_printf(bio_err, "\n");
299 if (SRP_check_known_gN_param(g, N))
302 if (srp_arg->amp == 1) {
305 "SRP param N and g are not known params, going to check deeper.\n");
308 * The srp_moregroups is a real debugging feature. Implementors
309 * should rather add the value to the known ones. The minimal size
310 * has already been tested.
312 if (BN_num_bits(g) <= BN_BITS && srp_Verify_N_and_g(N, g))
315 BIO_printf(bio_err, "SRP param N and g rejected.\n");
319 # define PWD_STRLEN 1024
321 static char *ssl_give_srp_client_pwd_cb(SSL *s, void *arg)
323 SRP_ARG *srp_arg = (SRP_ARG *)arg;
324 char *pass = app_malloc(PWD_STRLEN + 1, "SRP password buffer");
328 cb_tmp.password = (char *)srp_arg->srppassin;
329 cb_tmp.prompt_info = "SRP user";
330 if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp)) < 0) {
331 BIO_printf(bio_err, "Can't read Password\n");
342 static char *srtp_profiles = NULL;
344 #ifndef OPENSSL_NO_NEXTPROTONEG
345 /* This the context that we pass to next_proto_cb */
346 typedef struct tlsextnextprotoctx_st {
350 } tlsextnextprotoctx;
352 static tlsextnextprotoctx next_proto;
354 static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen,
355 const unsigned char *in, unsigned int inlen,
358 tlsextnextprotoctx *ctx = arg;
361 /* We can assume that |in| is syntactically valid. */
363 BIO_printf(bio_c_out, "Protocols advertised by server: ");
364 for (i = 0; i < inlen;) {
366 BIO_write(bio_c_out, ", ", 2);
367 BIO_write(bio_c_out, &in[i + 1], in[i]);
370 BIO_write(bio_c_out, "\n", 1);
374 SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len);
375 return SSL_TLSEXT_ERR_OK;
377 #endif /* ndef OPENSSL_NO_NEXTPROTONEG */
379 static int serverinfo_cli_parse_cb(SSL *s, unsigned int ext_type,
380 const unsigned char *in, size_t inlen,
384 unsigned char ext_buf[4 + 65536];
386 /* Reconstruct the type/len fields prior to extension data */
387 ext_buf[0] = ext_type >> 8;
388 ext_buf[1] = ext_type & 0xFF;
389 ext_buf[2] = inlen >> 8;
390 ext_buf[3] = inlen & 0xFF;
391 memcpy(ext_buf + 4, in, inlen);
393 BIO_snprintf(pem_name, sizeof(pem_name), "SERVERINFO FOR EXTENSION %d",
395 PEM_write_bio(bio_c_out, pem_name, "", ext_buf, 4 + inlen);
400 * Hex decoder that tolerates optional whitespace. Returns number of bytes
401 * produced, advances inptr to end of input string.
403 static ossl_ssize_t hexdecode(const char **inptr, void *result)
405 unsigned char **out = (unsigned char **)result;
406 const char *in = *inptr;
407 unsigned char *ret = app_malloc(strlen(in)/2, "hexdecode");
408 unsigned char *cp = ret;
415 for (byte = 0; *in; ++in) {
418 if (isspace(_UC(*in)))
420 x = OPENSSL_hexchar2int(*in);
426 if ((nibble ^= 1) == 0) {
439 return cp - (*out = ret);
443 * Decode unsigned 0..255, returns 1 on success, <= 0 on failure. Advances
444 * inptr to next field skipping leading whitespace.
446 static ossl_ssize_t checked_uint8(const char **inptr, void *out)
448 uint8_t *result = (uint8_t *)out;
449 const char *in = *inptr;
455 v = strtol(in, &endp, 10);
458 if (((v == LONG_MIN || v == LONG_MAX) && e == ERANGE) ||
459 endp == in || !isspace(_UC(*endp)) ||
460 v != (*result = (uint8_t) v)) {
463 for (in = endp; isspace(_UC(*in)); ++in)
473 ossl_ssize_t (*parser)(const char **, void *);
476 static int tlsa_import_rr(SSL *con, const char *rrdata)
478 /* Not necessary to re-init these values; the "parsers" do that. */
479 static uint8_t usage;
480 static uint8_t selector;
481 static uint8_t mtype;
482 static unsigned char *data;
483 static struct tlsa_field tlsa_fields[] = {
484 { &usage, "usage", checked_uint8 },
485 { &selector, "selector", checked_uint8 },
486 { &mtype, "mtype", checked_uint8 },
487 { &data, "data", hexdecode },
490 struct tlsa_field *f;
492 const char *cp = rrdata;
493 ossl_ssize_t len = 0;
495 for (f = tlsa_fields; f->var; ++f) {
496 /* Returns number of bytes produced, advances cp to next field */
497 if ((len = f->parser(&cp, f->var)) <= 0) {
498 BIO_printf(bio_err, "%s: warning: bad TLSA %s field in: %s\n",
499 prog, f->name, rrdata);
503 /* The data field is last, so len is its length */
504 ret = SSL_dane_tlsa_add(con, usage, selector, mtype, data, len);
508 ERR_print_errors(bio_err);
509 BIO_printf(bio_err, "%s: warning: unusable TLSA rrdata: %s\n",
514 ERR_print_errors(bio_err);
515 BIO_printf(bio_err, "%s: warning: error loading TLSA rrdata: %s\n",
522 static int tlsa_import_rrset(SSL *con, STACK_OF(OPENSSL_STRING) *rrset)
524 int num = sk_OPENSSL_STRING_num(rrset);
528 for (i = 0; i < num; ++i) {
529 char *rrdata = sk_OPENSSL_STRING_value(rrset, i);
530 if (tlsa_import_rr(con, rrdata) > 0)
536 typedef enum OPTION_choice {
537 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
538 OPT_4, OPT_6, OPT_HOST, OPT_PORT, OPT_CONNECT, OPT_UNIX,
539 OPT_XMPPHOST, OPT_VERIFY,
540 OPT_CERT, OPT_CRL, OPT_CRL_DOWNLOAD, OPT_SESS_OUT, OPT_SESS_IN,
541 OPT_CERTFORM, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET,
542 OPT_BRIEF, OPT_PREXIT, OPT_CRLF, OPT_QUIET, OPT_NBIO,
543 OPT_SSL_CLIENT_ENGINE, OPT_RAND, OPT_IGN_EOF, OPT_NO_IGN_EOF,
544 OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_WDEBUG,
545 OPT_MSG, OPT_MSGFILE, OPT_ENGINE, OPT_TRACE, OPT_SECURITY_DEBUG,
546 OPT_SECURITY_DEBUG_VERBOSE, OPT_SHOWCERTS, OPT_NBIO_TEST, OPT_STATE,
547 #ifndef OPENSSL_NO_PSK
548 OPT_PSK_IDENTITY, OPT_PSK,
550 #ifndef OPENSSL_NO_SRP
551 OPT_SRPUSER, OPT_SRPPASS, OPT_SRP_STRENGTH, OPT_SRP_LATEUSER,
554 OPT_SSL3, OPT_SSL_CONFIG,
555 OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1,
556 OPT_DTLS1_2, OPT_TIMEOUT, OPT_MTU, OPT_KEYFORM, OPT_PASS,
557 OPT_CERT_CHAIN, OPT_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH,
558 OPT_KEY, OPT_RECONNECT, OPT_BUILD_CHAIN, OPT_CAFILE, OPT_NOCAFILE,
559 OPT_CHAINCAFILE, OPT_VERIFYCAFILE, OPT_NEXTPROTONEG, OPT_ALPN,
560 OPT_SERVERINFO, OPT_STARTTLS, OPT_SERVERNAME,
561 OPT_USE_SRTP, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN, OPT_SMTPHOST,
562 OPT_ASYNC, OPT_SPLIT_SEND_FRAG, OPT_MAX_PIPELINES, OPT_READ_BUF,
566 OPT_FALLBACKSCSV, OPT_NOCMDS, OPT_PROXY, OPT_DANE_TLSA_DOMAIN,
567 #ifndef OPENSSL_NO_CT
568 OPT_CT, OPT_NOCT, OPT_CTLOG_FILE,
573 OPTIONS s_client_options[] = {
574 {"help", OPT_HELP, '-', "Display this summary"},
575 {"host", OPT_HOST, 's', "Use -connect instead"},
576 {"port", OPT_PORT, 'p', "Use -connect instead"},
577 {"connect", OPT_CONNECT, 's',
578 "TCP/IP where to connect (default is :" PORT ")"},
579 {"proxy", OPT_PROXY, 's',
580 "Connect to via specified proxy to the real server"},
582 {"unix", OPT_UNIX, 's', "Connect over unix domain sockets"},
584 {"4", OPT_4, '-', "Use IPv4 only"},
586 {"6", OPT_6, '-', "Use IPv6 only"},
588 {"verify", OPT_VERIFY, 'p', "Turn on peer certificate verification"},
589 {"cert", OPT_CERT, '<', "Certificate file to use, PEM format assumed"},
590 {"certform", OPT_CERTFORM, 'F',
591 "Certificate format (PEM or DER) PEM default"},
592 {"key", OPT_KEY, '<', "Private key file to use, if not in -cert file"},
593 {"keyform", OPT_KEYFORM, 'F', "Key format (PEM or DER) PEM default"},
594 {"pass", OPT_PASS, 's', "Private key file pass phrase source"},
595 {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
596 {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
597 {"no-CAfile", OPT_NOCAFILE, '-',
598 "Do not load the default certificates file"},
599 {"no-CApath", OPT_NOCAPATH, '-',
600 "Do not load certificates from the default certificates directory"},
601 {"dane_tlsa_domain", OPT_DANE_TLSA_DOMAIN, 's', "DANE TLSA base domain"},
602 {"dane_tlsa_rrdata", OPT_DANE_TLSA_RRDATA, 's',
603 "DANE TLSA rrdata presentation form"},
604 {"reconnect", OPT_RECONNECT, '-',
605 "Drop and re-make the connection with the same Session-ID"},
606 {"showcerts", OPT_SHOWCERTS, '-', "Show all certificates in the chain"},
607 {"debug", OPT_DEBUG, '-', "Extra output"},
608 {"msg", OPT_MSG, '-', "Show protocol messages"},
609 {"msgfile", OPT_MSGFILE, '>',
610 "File to send output of -msg or -trace, instead of stdout"},
611 {"nbio_test", OPT_NBIO_TEST, '-', "More ssl protocol testing"},
612 {"state", OPT_STATE, '-', "Print the ssl states"},
613 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"},
614 {"quiet", OPT_QUIET, '-', "No s_client output"},
615 {"ign_eof", OPT_IGN_EOF, '-', "Ignore input eof (default when -quiet)"},
616 {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Don't ignore input eof"},
617 {"starttls", OPT_STARTTLS, 's',
618 "Use the appropriate STARTTLS command before starting TLS"},
619 {"xmpphost", OPT_XMPPHOST, 's',
620 "Host to use with \"-starttls xmpp[-server]\""},
621 {"rand", OPT_RAND, 's',
622 "Load the file(s) into the random number generator"},
623 {"sess_out", OPT_SESS_OUT, '>', "File to write SSL session to"},
624 {"sess_in", OPT_SESS_IN, '<', "File to read SSL session from"},
625 {"use_srtp", OPT_USE_SRTP, 's',
626 "Offer SRTP key management with a colon-separated profile list"},
627 {"keymatexport", OPT_KEYMATEXPORT, 's',
628 "Export keying material using label"},
629 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
630 "Export len bytes of keying material (default 20)"},
631 {"fallback_scsv", OPT_FALLBACKSCSV, '-', "Send the fallback SCSV"},
632 {"name", OPT_SMTPHOST, 's', "Hostname to use for \"-starttls smtp\""},
633 {"CRL", OPT_CRL, '<', "CRL file to use"},
634 {"crl_download", OPT_CRL_DOWNLOAD, '-', "Download CRL from distribution points"},
635 {"CRLform", OPT_CRLFORM, 'F', "CRL format (PEM or DER) PEM is default"},
636 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-',
637 "Close connection on verification error"},
638 {"verify_quiet", OPT_VERIFY_QUIET, '-', "Restrict verify output to errors"},
639 {"brief", OPT_BRIEF, '-',
640 "Restrict output to brief summary of connection parameters"},
641 {"prexit", OPT_PREXIT, '-',
642 "Print session information when the program exits"},
643 {"security_debug", OPT_SECURITY_DEBUG, '-',
644 "Enable security debug messages"},
645 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-',
646 "Output more security debug output"},
647 {"cert_chain", OPT_CERT_CHAIN, '<',
648 "Certificate chain file (in PEM format)"},
649 {"chainCApath", OPT_CHAINCAPATH, '/',
650 "Use dir as certificate store path to build CA certificate chain"},
651 {"verifyCApath", OPT_VERIFYCAPATH, '/',
652 "Use dir as certificate store path to verify CA certificate"},
653 {"build_chain", OPT_BUILD_CHAIN, '-', "Build certificate chain"},
654 {"chainCAfile", OPT_CHAINCAFILE, '<',
655 "CA file for certificate chain (PEM format)"},
656 {"verifyCAfile", OPT_VERIFYCAFILE, '<',
657 "CA file for certificate verification (PEM format)"},
658 {"nocommands", OPT_NOCMDS, '-', "Do not use interactive command letters"},
659 {"servername", OPT_SERVERNAME, 's',
660 "Set TLS extension servername in ClientHello"},
661 {"tlsextdebug", OPT_TLSEXTDEBUG, '-',
662 "Hex dump of all TLS extensions received"},
663 #ifndef OPENSSL_NO_OCSP
664 {"status", OPT_STATUS, '-', "Request certificate status from server"},
666 {"serverinfo", OPT_SERVERINFO, 's',
667 "types Send empty ClientHello extensions (comma-separated numbers)"},
668 {"alpn", OPT_ALPN, 's',
669 "Enable ALPN extension, considering named protocols supported (comma-separated list)"},
670 {"async", OPT_ASYNC, '-', "Support asynchronous operation"},
671 {"ssl_config", OPT_SSL_CONFIG, 's', "Use specified configuration file"},
672 {"split_send_frag", OPT_SPLIT_SEND_FRAG, 'n',
673 "Size used to split data for encrypt pipelines"},
674 {"max_pipelines", OPT_MAX_PIPELINES, 'n',
675 "Maximum number of encrypt/decrypt pipelines to be used"},
676 {"read_buf", OPT_READ_BUF, 'n',
677 "Default read buffer size to be used for connections"},
681 #ifndef OPENSSL_NO_SSL3
682 {"ssl3", OPT_SSL3, '-', "Just use SSLv3"},
684 #ifndef OPENSSL_NO_TLS1
685 {"tls1", OPT_TLS1, '-', "Just use TLSv1"},
687 #ifndef OPENSSL_NO_TLS1_1
688 {"tls1_1", OPT_TLS1_1, '-', "Just use TLSv1.1"},
690 #ifndef OPENSSL_NO_TLS1_2
691 {"tls1_2", OPT_TLS1_2, '-', "Just use TLSv1.2"},
693 #ifndef OPENSSL_NO_DTLS
694 {"dtls", OPT_DTLS, '-', "Use any version of DTLS"},
695 {"timeout", OPT_TIMEOUT, '-',
696 "Enable send/receive timeout on DTLS connections"},
697 {"mtu", OPT_MTU, 'p', "Set the link layer MTU"},
699 #ifndef OPENSSL_NO_DTLS1
700 {"dtls1", OPT_DTLS1, '-', "Just use DTLSv1"},
702 #ifndef OPENSSL_NO_DTLS1_2
703 {"dtls1_2", OPT_DTLS1_2, '-', "Just use DTLSv1.2"},
705 #ifndef OPENSSL_NO_SSL_TRACE
706 {"trace", OPT_TRACE, '-', "Show trace output of protocol messages"},
709 {"wdebug", OPT_WDEBUG, '-', "WATT-32 tcp debugging"},
711 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"},
712 #ifndef OPENSSL_NO_PSK
713 {"psk_identity", OPT_PSK_IDENTITY, 's', "PSK identity"},
714 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"},
716 #ifndef OPENSSL_NO_SRP
717 {"srpuser", OPT_SRPUSER, 's', "SRP authentication for 'user'"},
718 {"srppass", OPT_SRPPASS, 's', "Password for 'user'"},
719 {"srp_lateuser", OPT_SRP_LATEUSER, '-',
720 "SRP username into second ClientHello message"},
721 {"srp_moregroups", OPT_SRP_MOREGROUPS, '-',
722 "Tolerate other than the known g N values."},
723 {"srp_strength", OPT_SRP_STRENGTH, 'p', "Minimal length in bits for N"},
725 #ifndef OPENSSL_NO_NEXTPROTONEG
726 {"nextprotoneg", OPT_NEXTPROTONEG, 's',
727 "Enable NPN extension, considering named protocols supported (comma-separated list)"},
729 #ifndef OPENSSL_NO_ENGINE
730 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
731 {"ssl_client_engine", OPT_SSL_CLIENT_ENGINE, 's',
732 "Specify engine to be used for client certificate operations"},
734 #ifndef OPENSSL_NO_CT
735 {"ct", OPT_CT, '-', "Request and parse SCTs (also enables OCSP stapling)"},
736 {"noct", OPT_NOCT, '-', "Do not request or parse SCTs (default)"},
737 {"ctlogfile", OPT_CTLOG_FILE, '<', "CT log list CONF file"},
739 {NULL, OPT_EOF, 0x00, NULL}
742 typedef enum PROTOCOL_choice {
755 static const OPT_PAIR services[] = {
756 {"smtp", PROTO_SMTP},
757 {"pop3", PROTO_POP3},
758 {"imap", PROTO_IMAP},
760 {"xmpp", PROTO_XMPP},
761 {"xmpp-server", PROTO_XMPP_SERVER},
762 {"telnet", PROTO_TELNET},
767 #define IS_INET_FLAG(o) \
768 (o == OPT_4 || o == OPT_6 || o == OPT_HOST || o == OPT_PORT || o == OPT_CONNECT)
769 #define IS_UNIX_FLAG(o) (o == OPT_UNIX)
771 /* Free |*dest| and optionally set it to a copy of |source|. */
772 static void freeandcopy(char **dest, const char *source)
777 *dest = OPENSSL_strdup(source);
780 int s_client_main(int argc, char **argv)
783 EVP_PKEY *key = NULL;
786 STACK_OF(X509) *chain = NULL;
788 X509_VERIFY_PARAM *vpm = NULL;
789 SSL_EXCERT *exc = NULL;
790 SSL_CONF_CTX *cctx = NULL;
791 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
792 char *dane_tlsa_domain = NULL;
793 STACK_OF(OPENSSL_STRING) *dane_tlsa_rrset = NULL;
794 STACK_OF(X509_CRL) *crls = NULL;
795 const SSL_METHOD *meth = TLS_client_method();
796 char *CApath = NULL, *CAfile = NULL, *cbuf = NULL, *sbuf = NULL;
797 char *mbuf = NULL, *proxystr = NULL, *connectstr = NULL;
798 char *cert_file = NULL, *key_file = NULL, *chain_file = NULL;
799 char *chCApath = NULL, *chCAfile = NULL, *host = NULL;
800 char *port = OPENSSL_strdup(PORT);
802 char *passarg = NULL, *pass = NULL, *vfyCApath = NULL, *vfyCAfile = NULL;
803 char *sess_in = NULL, *sess_out = NULL, *crl_file = NULL, *p;
804 char *xmpphost = NULL;
805 const char *ehlo = "mail.example.com";
806 struct timeval timeout, *timeoutp;
807 fd_set readfds, writefds;
808 int noCApath = 0, noCAfile = 0;
809 int build_chain = 0, cbuf_len, cbuf_off, cert_format = FORMAT_PEM;
810 int key_format = FORMAT_PEM, crlf = 0, full_log = 1, mbuf_len = 0;
813 int reconnect = 0, verify = SSL_VERIFY_NONE, vpmtouched = 0;
814 int ret = 1, in_init = 1, i, nbio_test = 0, s = -1, k, width, state = 0;
815 int sbuf_len, sbuf_off, cmdletters = 1;
816 int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM;
817 int starttls_proto = PROTO_OFF, crl_format = FORMAT_PEM, crl_download = 0;
818 int write_tty, read_tty, write_ssl, read_ssl, tty_on, ssl_pending;
820 int read_buf_len = 0;
821 int fallback_scsv = 0;
824 #ifndef OPENSSL_NO_DTLS
825 int enable_timeouts = 0;
828 #ifndef OPENSSL_NO_ENGINE
829 ENGINE *ssl_client_engine = NULL;
832 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
835 char *servername = NULL;
836 const char *alpn_in = NULL;
837 tlsextctx tlsextcbp = { NULL, 0 };
838 const char *ssl_config = NULL;
839 #define MAX_SI_TYPES 100
840 unsigned short serverinfo_types[MAX_SI_TYPES];
841 int serverinfo_count = 0, start = 0, len;
842 #ifndef OPENSSL_NO_NEXTPROTONEG
843 const char *next_proto_neg_in = NULL;
845 #ifndef OPENSSL_NO_SRP
846 char *srppass = NULL;
847 int srp_lateuser = 0;
848 SRP_ARG srp_arg = { NULL, NULL, 0, 0, 0, 1024 };
850 #ifndef OPENSSL_NO_CT
851 char *ctlog_file = NULL;
852 int ct_validation = 0;
854 int min_version = 0, max_version = 0;
856 unsigned int split_send_fragment = 0;
857 unsigned int max_pipelines = 0;
858 enum { use_inet, use_unix, use_unknown } connect_type = use_unknown;
863 /* Known false-positive of MemorySanitizer. */
864 #if defined(__has_feature)
865 # if __has_feature(memory_sanitizer)
866 __msan_unpoison(&readfds, sizeof(readfds));
867 __msan_unpoison(&writefds, sizeof(writefds));
871 prog = opt_progname(argv[0]);
879 verify_error = X509_V_OK;
880 vpm = X509_VERIFY_PARAM_new();
881 cbuf = app_malloc(BUFSIZZ, "cbuf");
882 sbuf = app_malloc(BUFSIZZ, "sbuf");
883 mbuf = app_malloc(BUFSIZZ, "mbuf");
884 cctx = SSL_CONF_CTX_new();
886 if (vpm == NULL || cctx == NULL) {
887 BIO_printf(bio_err, "%s: out of memory\n", prog);
891 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT | SSL_CONF_FLAG_CMDLINE);
893 prog = opt_init(argc, argv, s_client_options);
894 while ((o = opt_next()) != OPT_EOF) {
895 /* Check for intermixing flags. */
896 if (connect_type == use_unix && IS_INET_FLAG(o)) {
898 "%s: Intermixed protocol flags (unix and internet domains)\n",
902 if (connect_type == use_inet && IS_UNIX_FLAG(o)) {
904 "%s: Intermixed protocol flags (internet and unix domains)\n",
912 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
915 opt_help(s_client_options);
919 connect_type = use_inet;
920 socket_family = AF_INET;
925 connect_type = use_inet;
926 socket_family = AF_INET6;
931 connect_type = use_inet;
932 freeandcopy(&host, opt_arg());
935 connect_type = use_inet;
936 freeandcopy(&port, opt_arg());
939 connect_type = use_inet;
940 freeandcopy(&connectstr, opt_arg());
943 proxystr = opt_arg();
944 starttls_proto = PROTO_CONNECT;
948 connect_type = use_unix;
949 socket_family = AF_UNIX;
950 freeandcopy(&host, opt_arg());
954 xmpphost = opt_arg();
960 verify = SSL_VERIFY_PEER;
961 verify_depth = atoi(opt_arg());
963 BIO_printf(bio_err, "verify depth is %d\n", verify_depth);
966 cert_file = opt_arg();
969 crl_file = opt_arg();
971 case OPT_CRL_DOWNLOAD:
975 sess_out = opt_arg();
981 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &cert_format))
985 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
988 case OPT_VERIFY_RET_ERROR:
989 verify_return_error = 1;
991 case OPT_VERIFY_QUIET:
995 c_brief = verify_quiet = c_quiet = 1;
998 if (ssl_args == NULL)
999 ssl_args = sk_OPENSSL_STRING_new_null();
1000 if (ssl_args == NULL
1001 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
1002 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
1003 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1008 if (!opt_verify(o, vpm))
1013 if (!args_excert(o, &exc))
1023 c_quiet = c_ign_eof = 1;
1032 e = setup_engine(opt_arg(), 1);
1034 case OPT_SSL_CLIENT_ENGINE:
1035 #ifndef OPENSSL_NO_ENGINE
1036 ssl_client_engine = ENGINE_by_id(opt_arg());
1037 if (ssl_client_engine == NULL) {
1038 BIO_printf(bio_err, "Error getting client auth engine\n");
1049 case OPT_NO_IGN_EOF:
1055 case OPT_TLSEXTDEBUG:
1070 bio_c_msg = BIO_new_file(opt_arg(), "w");
1073 #ifndef OPENSSL_NO_SSL_TRACE
1077 case OPT_SECURITY_DEBUG:
1080 case OPT_SECURITY_DEBUG_VERBOSE:
1092 #ifndef OPENSSL_NO_PSK
1093 case OPT_PSK_IDENTITY:
1094 psk_identity = opt_arg();
1097 for (p = psk_key = opt_arg(); *p; p++) {
1098 if (isxdigit(_UC(*p)))
1100 BIO_printf(bio_err, "Not a hex number '%s'\n", psk_key);
1105 #ifndef OPENSSL_NO_SRP
1107 srp_arg.srplogin = opt_arg();
1108 if (min_version < TLS1_VERSION)
1109 min_version = TLS1_VERSION;
1112 srppass = opt_arg();
1113 if (min_version < TLS1_VERSION)
1114 min_version = TLS1_VERSION;
1116 case OPT_SRP_STRENGTH:
1117 srp_arg.strength = atoi(opt_arg());
1118 BIO_printf(bio_err, "SRP minimal length for N is %d\n",
1120 if (min_version < TLS1_VERSION)
1121 min_version = TLS1_VERSION;
1123 case OPT_SRP_LATEUSER:
1125 if (min_version < TLS1_VERSION)
1126 min_version = TLS1_VERSION;
1128 case OPT_SRP_MOREGROUPS:
1130 if (min_version < TLS1_VERSION)
1131 min_version = TLS1_VERSION;
1134 case OPT_SSL_CONFIG:
1135 ssl_config = opt_arg();
1138 min_version = SSL3_VERSION;
1139 max_version = SSL3_VERSION;
1142 min_version = TLS1_2_VERSION;
1143 max_version = TLS1_2_VERSION;
1146 min_version = TLS1_1_VERSION;
1147 max_version = TLS1_1_VERSION;
1150 min_version = TLS1_VERSION;
1151 max_version = TLS1_VERSION;
1154 #ifndef OPENSSL_NO_DTLS
1155 meth = DTLS_client_method();
1156 socket_type = SOCK_DGRAM;
1160 #ifndef OPENSSL_NO_DTLS1
1161 meth = DTLS_client_method();
1162 min_version = DTLS1_VERSION;
1163 max_version = DTLS1_VERSION;
1164 socket_type = SOCK_DGRAM;
1168 #ifndef OPENSSL_NO_DTLS1_2
1169 meth = DTLS_client_method();
1170 min_version = DTLS1_2_VERSION;
1171 max_version = DTLS1_2_VERSION;
1172 socket_type = SOCK_DGRAM;
1176 #ifndef OPENSSL_NO_DTLS
1177 enable_timeouts = 1;
1181 #ifndef OPENSSL_NO_DTLS
1182 socket_mtu = atol(opt_arg());
1185 case OPT_FALLBACKSCSV:
1189 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &key_format))
1193 passarg = opt_arg();
1195 case OPT_CERT_CHAIN:
1196 chain_file = opt_arg();
1199 key_file = opt_arg();
1210 case OPT_CHAINCAPATH:
1211 chCApath = opt_arg();
1213 case OPT_VERIFYCAPATH:
1214 vfyCApath = opt_arg();
1216 case OPT_BUILD_CHAIN:
1225 #ifndef OPENSSL_NO_CT
1232 case OPT_CTLOG_FILE:
1233 ctlog_file = opt_arg();
1236 case OPT_CHAINCAFILE:
1237 chCAfile = opt_arg();
1239 case OPT_VERIFYCAFILE:
1240 vfyCAfile = opt_arg();
1242 case OPT_DANE_TLSA_DOMAIN:
1243 dane_tlsa_domain = opt_arg();
1245 case OPT_DANE_TLSA_RRDATA:
1246 if (dane_tlsa_rrset == NULL)
1247 dane_tlsa_rrset = sk_OPENSSL_STRING_new_null();
1248 if (dane_tlsa_rrset == NULL ||
1249 !sk_OPENSSL_STRING_push(dane_tlsa_rrset, opt_arg())) {
1250 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1254 case OPT_NEXTPROTONEG:
1255 #ifndef OPENSSL_NO_NEXTPROTONEG
1256 next_proto_neg_in = opt_arg();
1260 alpn_in = opt_arg();
1262 case OPT_SERVERINFO:
1265 for (start = 0, i = 0; i <= len; ++i) {
1266 if (i == len || p[i] == ',') {
1267 serverinfo_types[serverinfo_count] = atoi(p + start);
1268 if (++serverinfo_count == MAX_SI_TYPES)
1275 if (!opt_pair(opt_arg(), services, &starttls_proto))
1278 case OPT_SERVERNAME:
1279 servername = opt_arg();
1282 srtp_profiles = opt_arg();
1284 case OPT_KEYMATEXPORT:
1285 keymatexportlabel = opt_arg();
1287 case OPT_KEYMATEXPORTLEN:
1288 keymatexportlen = atoi(opt_arg());
1293 case OPT_SPLIT_SEND_FRAG:
1294 split_send_fragment = atoi(opt_arg());
1295 if (split_send_fragment == 0) {
1297 * Not allowed - set to a deliberately bad value so we get an
1298 * error message below
1300 split_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH + 1;
1303 case OPT_MAX_PIPELINES:
1304 max_pipelines = atoi(opt_arg());
1307 read_buf_len = atoi(opt_arg());
1311 if (count4or6 >= 2) {
1312 BIO_printf(bio_err, "%s: Can't use both -4 and -6\n", prog);
1315 argc = opt_num_rest();
1321 char *tmp_host = host, *tmp_port = port;
1322 if (connectstr == NULL) {
1323 BIO_printf(bio_err, "%s: -proxy requires use of -connect\n", prog);
1326 res = BIO_parse_hostserv(proxystr, &host, &port, BIO_PARSE_PRIO_HOST);
1327 if (tmp_host != host)
1328 OPENSSL_free(tmp_host);
1329 if (tmp_port != port)
1330 OPENSSL_free(tmp_port);
1332 BIO_printf(bio_err, "%s: -proxy argument malformed or ambiguous\n",
1338 char *tmp_host = host, *tmp_port = port;
1339 if (connectstr != NULL)
1340 res = BIO_parse_hostserv(connectstr, &host, &port,
1341 BIO_PARSE_PRIO_HOST);
1342 if (tmp_host != host)
1343 OPENSSL_free(tmp_host);
1344 if (tmp_port != port)
1345 OPENSSL_free(tmp_port);
1348 "%s: -connect argument malformed or ambiguous\n",
1354 if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) {
1356 "Can't use unix sockets and datagrams together\n");
1360 if (split_send_fragment > SSL3_RT_MAX_PLAIN_LENGTH) {
1361 BIO_printf(bio_err, "Bad split send fragment size\n");
1365 if (max_pipelines > SSL_MAX_PIPELINES) {
1366 BIO_printf(bio_err, "Bad max pipelines value\n");
1370 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1371 next_proto.status = -1;
1372 if (next_proto_neg_in) {
1374 next_protos_parse(&next_proto.len, next_proto_neg_in);
1375 if (next_proto.data == NULL) {
1376 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n");
1380 next_proto.data = NULL;
1383 if (!app_passwd(passarg, NULL, &pass, NULL)) {
1384 BIO_printf(bio_err, "Error getting password\n");
1388 if (key_file == NULL)
1389 key_file = cert_file;
1392 key = load_key(key_file, key_format, 0, pass, e,
1393 "client certificate private key file");
1395 ERR_print_errors(bio_err);
1401 cert = load_cert(cert_file, cert_format, "client certificate file");
1403 ERR_print_errors(bio_err);
1409 if (!load_certs(chain_file, &chain, FORMAT_PEM, NULL,
1410 "client certificate chain"))
1416 crl = load_crl(crl_file, crl_format);
1418 BIO_puts(bio_err, "Error loading CRL\n");
1419 ERR_print_errors(bio_err);
1422 crls = sk_X509_CRL_new_null();
1423 if (crls == NULL || !sk_X509_CRL_push(crls, crl)) {
1424 BIO_puts(bio_err, "Error adding CRL\n");
1425 ERR_print_errors(bio_err);
1431 if (!load_excert(&exc))
1434 if (!app_RAND_load_file(NULL, 1) && inrand == NULL
1435 && !RAND_status()) {
1437 "warning, not much extra random data, consider using the -rand option\n");
1439 if (inrand != NULL) {
1440 randamt = app_RAND_load_files(inrand);
1441 BIO_printf(bio_err, "%ld semi-random bytes loaded\n", randamt);
1444 if (bio_c_out == NULL) {
1445 if (c_quiet && !c_debug) {
1446 bio_c_out = BIO_new(BIO_s_null());
1447 if (c_msg && !bio_c_msg)
1448 bio_c_msg = dup_bio_out(FORMAT_TEXT);
1449 } else if (bio_c_out == NULL)
1450 bio_c_out = dup_bio_out(FORMAT_TEXT);
1452 #ifndef OPENSSL_NO_SRP
1453 if (!app_passwd(srppass, NULL, &srp_arg.srppassin, NULL)) {
1454 BIO_printf(bio_err, "Error getting password\n");
1459 ctx = SSL_CTX_new(meth);
1461 ERR_print_errors(bio_err);
1466 ssl_ctx_security_debug(ctx, sdebug);
1469 if (SSL_CTX_config(ctx, ssl_config) == 0) {
1470 BIO_printf(bio_err, "Error using configuration \"%s\"\n",
1472 ERR_print_errors(bio_err);
1477 if (SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
1479 if (SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
1482 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
1483 BIO_printf(bio_err, "Error setting verify params\n");
1484 ERR_print_errors(bio_err);
1489 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
1491 if (split_send_fragment > 0) {
1492 SSL_CTX_set_split_send_fragment(ctx, split_send_fragment);
1494 if (max_pipelines > 0) {
1495 SSL_CTX_set_max_pipelines(ctx, max_pipelines);
1498 if (read_buf_len > 0) {
1499 SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len);
1502 if (!config_ctx(cctx, ssl_args, ctx))
1505 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1506 crls, crl_download)) {
1507 BIO_printf(bio_err, "Error loading store locations\n");
1508 ERR_print_errors(bio_err);
1511 #ifndef OPENSSL_NO_ENGINE
1512 if (ssl_client_engine) {
1513 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine)) {
1514 BIO_puts(bio_err, "Error setting client auth engine\n");
1515 ERR_print_errors(bio_err);
1516 ENGINE_free(ssl_client_engine);
1519 ENGINE_free(ssl_client_engine);
1523 #ifndef OPENSSL_NO_PSK
1524 if (psk_key != NULL) {
1526 BIO_printf(bio_c_out,
1527 "PSK key given, setting client callback\n");
1528 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
1531 #ifndef OPENSSL_NO_SRTP
1532 if (srtp_profiles != NULL) {
1533 /* Returns 0 on success! */
1534 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
1535 BIO_printf(bio_err, "Error setting SRTP profile\n");
1536 ERR_print_errors(bio_err);
1543 ssl_ctx_set_excert(ctx, exc);
1545 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1546 if (next_proto.data)
1547 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
1551 unsigned char *alpn = next_protos_parse(&alpn_len, alpn_in);
1554 BIO_printf(bio_err, "Error parsing -alpn argument\n");
1557 /* Returns 0 on success! */
1558 if (SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len) != 0) {
1559 BIO_printf(bio_err, "Error setting ALPN\n");
1565 for (i = 0; i < serverinfo_count; i++) {
1566 if (!SSL_CTX_add_client_custom_ext(ctx,
1567 serverinfo_types[i],
1569 serverinfo_cli_parse_cb, NULL)) {
1571 "Warning: Unable to add custom extension %u, skipping\n",
1572 serverinfo_types[i]);
1577 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1579 #ifndef OPENSSL_NO_CT
1580 /* Enable SCT processing, without early connection termination */
1581 if (ct_validation &&
1582 !SSL_CTX_enable_ct(ctx, SSL_CT_VALIDATION_PERMISSIVE)) {
1583 ERR_print_errors(bio_err);
1587 if (!ctx_set_ctlog_list_file(ctx, ctlog_file)) {
1588 if (ct_validation) {
1589 ERR_print_errors(bio_err);
1594 * If CT validation is not enabled, the log list isn't needed so don't
1595 * show errors or abort. We try to load it regardless because then we
1596 * can show the names of the logs any SCTs came from (SCTs may be seen
1597 * even with validation disabled).
1603 SSL_CTX_set_verify(ctx, verify, verify_callback);
1605 if (!ctx_set_verify_locations(ctx, CAfile, CApath, noCAfile, noCApath)) {
1606 ERR_print_errors(bio_err);
1610 ssl_ctx_add_crls(ctx, crls, crl_download);
1612 if (!set_cert_key_stuff(ctx, cert, key, chain, build_chain))
1615 if (servername != NULL) {
1616 tlsextcbp.biodebug = bio_err;
1617 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1618 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1620 # ifndef OPENSSL_NO_SRP
1621 if (srp_arg.srplogin) {
1622 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin)) {
1623 BIO_printf(bio_err, "Unable to set SRP username\n");
1626 srp_arg.msg = c_msg;
1627 srp_arg.debug = c_debug;
1628 SSL_CTX_set_srp_cb_arg(ctx, &srp_arg);
1629 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb);
1630 SSL_CTX_set_srp_strength(ctx, srp_arg.strength);
1631 if (c_msg || c_debug || srp_arg.amp == 0)
1632 SSL_CTX_set_srp_verify_param_callback(ctx,
1633 ssl_srp_verify_param_cb);
1637 if (dane_tlsa_domain != NULL) {
1638 if (SSL_CTX_dane_enable(ctx) <= 0) {
1640 "%s: Error enabling DANE TLSA authentication.\n", prog);
1641 ERR_print_errors(bio_err);
1649 BIO *stmp = BIO_new_file(sess_in, "r");
1651 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1652 ERR_print_errors(bio_err);
1655 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1658 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1659 ERR_print_errors(bio_err);
1662 if (!SSL_set_session(con, sess)) {
1663 BIO_printf(bio_err, "Can't set session\n");
1664 ERR_print_errors(bio_err);
1667 SSL_SESSION_free(sess);
1671 SSL_set_mode(con, SSL_MODE_SEND_FALLBACK_SCSV);
1673 if (servername != NULL) {
1674 if (!SSL_set_tlsext_host_name(con, servername)) {
1675 BIO_printf(bio_err, "Unable to set TLS servername extension.\n");
1676 ERR_print_errors(bio_err);
1681 if (dane_tlsa_domain != NULL) {
1682 if (SSL_dane_enable(con, dane_tlsa_domain) <= 0) {
1683 BIO_printf(bio_err, "%s: Error enabling DANE TLSA "
1684 "authentication.\n", prog);
1685 ERR_print_errors(bio_err);
1688 if (dane_tlsa_rrset == NULL) {
1689 BIO_printf(bio_err, "%s: DANE TLSA authentication requires at "
1690 "least one -dane_tlsa_rrset option.\n", prog);
1693 if (tlsa_import_rrset(con, dane_tlsa_rrset) <= 0) {
1694 BIO_printf(bio_err, "%s: Failed to import any TLSA "
1695 "records.\n", prog);
1698 } else if (dane_tlsa_rrset != NULL) {
1699 BIO_printf(bio_err, "%s: DANE TLSA authentication requires the "
1700 "-dane_tlsa_domain option.\n", prog);
1705 if (init_client(&s, host, port, socket_family, socket_type) == 0)
1707 BIO_printf(bio_err, "connect:errno=%d\n", get_last_socket_error());
1711 BIO_printf(bio_c_out, "CONNECTED(%08X)\n", s);
1714 if (!BIO_socket_nbio(s, 1)) {
1715 ERR_print_errors(bio_err);
1718 BIO_printf(bio_c_out, "Turned on non blocking io\n");
1720 #ifndef OPENSSL_NO_DTLS
1721 if (socket_type == SOCK_DGRAM) {
1722 struct sockaddr peer;
1723 int peerlen = sizeof peer;
1725 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
1726 if (getsockname(s, &peer, (void *)&peerlen) < 0) {
1727 BIO_printf(bio_err, "getsockname:errno=%d\n",
1728 get_last_socket_error());
1733 (void)BIO_ctrl_set_connected(sbio, &peer);
1735 if (enable_timeouts) {
1737 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1738 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1741 timeout.tv_usec = DGRAM_SND_TIMEOUT;
1742 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1746 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
1747 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
1748 DTLS_get_link_min_mtu(con));
1752 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1753 if (!DTLS_set_link_mtu(con, socket_mtu)) {
1754 BIO_printf(bio_err, "Failed to set MTU\n");
1759 /* want to do MTU discovery */
1760 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1762 #endif /* OPENSSL_NO_DTLS */
1763 sbio = BIO_new_socket(s, BIO_NOCLOSE);
1768 test = BIO_new(BIO_f_nbio_test());
1769 sbio = BIO_push(test, sbio);
1773 BIO_set_callback(sbio, bio_dump_callback);
1774 BIO_set_callback_arg(sbio, (char *)bio_c_out);
1777 #ifndef OPENSSL_NO_SSL_TRACE
1779 SSL_set_msg_callback(con, SSL_trace);
1782 SSL_set_msg_callback(con, msg_cb);
1783 SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out);
1786 if (c_tlsextdebug) {
1787 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1788 SSL_set_tlsext_debug_arg(con, bio_c_out);
1790 #ifndef OPENSSL_NO_OCSP
1792 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
1793 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
1794 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
1798 SSL_set_bio(con, sbio, sbio);
1799 SSL_set_connect_state(con);
1801 /* ok, lets connect */
1802 width = SSL_get_fd(con) + 1;
1815 switch ((PROTOCOL_CHOICE) starttls_proto) {
1821 * This is an ugly hack that does a lot of assumptions. We do
1822 * have to handle multi-line responses which may come in a single
1823 * packet or not. We therefore have to use BIO_gets() which does
1824 * need a buffering BIO. So during the initial chitchat we do
1825 * push a buffering BIO into the chain that is removed again
1826 * later on to not disturb the rest of the s_client operation.
1829 BIO *fbio = BIO_new(BIO_f_buffer());
1830 BIO_push(fbio, sbio);
1831 /* wait for multi-line response to end from SMTP */
1833 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1835 while (mbuf_len > 3 && mbuf[3] == '-');
1836 BIO_printf(fbio, "EHLO %s\r\n", ehlo);
1837 (void)BIO_flush(fbio);
1838 /* wait for multi-line response to end EHLO SMTP response */
1840 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1841 if (strstr(mbuf, "STARTTLS"))
1844 while (mbuf_len > 3 && mbuf[3] == '-');
1845 (void)BIO_flush(fbio);
1850 "didn't find starttls in server response,"
1851 " trying anyway...\n");
1852 BIO_printf(sbio, "STARTTLS\r\n");
1853 BIO_read(sbio, sbuf, BUFSIZZ);
1858 BIO_read(sbio, mbuf, BUFSIZZ);
1859 BIO_printf(sbio, "STLS\r\n");
1860 mbuf_len = BIO_read(sbio, sbuf, BUFSIZZ);
1862 BIO_printf(bio_err, "BIO_read failed\n");
1870 BIO *fbio = BIO_new(BIO_f_buffer());
1871 BIO_push(fbio, sbio);
1872 BIO_gets(fbio, mbuf, BUFSIZZ);
1873 /* STARTTLS command requires CAPABILITY... */
1874 BIO_printf(fbio, ". CAPABILITY\r\n");
1875 (void)BIO_flush(fbio);
1876 /* wait for multi-line CAPABILITY response */
1878 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1879 if (strstr(mbuf, "STARTTLS"))
1882 while (mbuf_len > 3 && mbuf[0] != '.');
1883 (void)BIO_flush(fbio);
1888 "didn't find STARTTLS in server response,"
1889 " trying anyway...\n");
1890 BIO_printf(sbio, ". STARTTLS\r\n");
1891 BIO_read(sbio, sbuf, BUFSIZZ);
1896 BIO *fbio = BIO_new(BIO_f_buffer());
1897 BIO_push(fbio, sbio);
1898 /* wait for multi-line response to end from FTP */
1900 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1902 while (mbuf_len > 3 && mbuf[3] == '-');
1903 (void)BIO_flush(fbio);
1906 BIO_printf(sbio, "AUTH TLS\r\n");
1907 BIO_read(sbio, sbuf, BUFSIZZ);
1911 case PROTO_XMPP_SERVER:
1914 BIO_printf(sbio, "<stream:stream "
1915 "xmlns:stream='http://etherx.jabber.org/streams' "
1916 "xmlns='jabber:%s' to='%s' version='1.0'>",
1917 starttls_proto == PROTO_XMPP ? "client" : "server",
1918 xmpphost ? xmpphost : host);
1919 seen = BIO_read(sbio, mbuf, BUFSIZZ);
1922 (mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")
1924 "<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\""))
1926 seen = BIO_read(sbio, mbuf, BUFSIZZ);
1934 "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
1935 seen = BIO_read(sbio, sbuf, BUFSIZZ);
1937 if (!strstr(sbuf, "<proceed"))
1944 static const unsigned char tls_do[] = {
1945 /* IAC DO START_TLS */
1948 static const unsigned char tls_will[] = {
1949 /* IAC WILL START_TLS */
1952 static const unsigned char tls_follows[] = {
1953 /* IAC SB START_TLS FOLLOWS IAC SE */
1954 255, 250, 46, 1, 255, 240
1958 /* Telnet server should demand we issue START_TLS */
1959 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
1960 if (bytes != 3 || memcmp(mbuf, tls_do, 3) != 0)
1962 /* Agree to issue START_TLS and send the FOLLOWS sub-command */
1963 BIO_write(sbio, tls_will, 3);
1964 BIO_write(sbio, tls_follows, 6);
1965 (void)BIO_flush(sbio);
1966 /* Telnet server also sent the FOLLOWS sub-command */
1967 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
1968 if (bytes != 6 || memcmp(mbuf, tls_follows, 6) != 0)
1975 BIO *fbio = BIO_new(BIO_f_buffer());
1977 BIO_push(fbio, sbio);
1978 BIO_printf(fbio, "CONNECT %s HTTP/1.0\r\n\r\n", connectstr);
1979 (void)BIO_flush(fbio);
1980 /* wait for multi-line response to end CONNECT response */
1982 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1983 if (strstr(mbuf, "200") != NULL
1984 && strstr(mbuf, "established") != NULL)
1986 } while (mbuf_len > 3 && foundit == 0);
1987 (void)BIO_flush(fbio);
1991 BIO_printf(bio_err, "%s: HTTP CONNECT failed\n", prog);
1999 BIO *fbio = BIO_new(BIO_f_buffer());
2001 BIO_push(fbio, sbio);
2002 BIO_printf(fbio, "STARTTLS\r\n");
2003 (void)BIO_flush(fbio);
2004 width = SSL_get_fd(con) + 1;
2010 openssl_fdset(SSL_get_fd(con), &readfds);
2011 timeout.tv_sec = S_CLIENT_IRC_READ_TIMEOUT;
2012 timeout.tv_usec = 0;
2014 * If the IRCd doesn't respond within
2015 * S_CLIENT_IRC_READ_TIMEOUT seconds, assume
2016 * it doesn't support STARTTLS. Many IRCds
2017 * will not give _any_ sort of response to a
2018 * STARTTLS command when it's not supported.
2020 if (!BIO_get_buffer_num_lines(fbio)
2021 && !BIO_pending(fbio)
2022 && !BIO_pending(sbio)
2023 && select(width, (void *)&readfds, NULL, NULL,
2026 "Timeout waiting for response (%d seconds).\n",
2027 S_CLIENT_IRC_READ_TIMEOUT);
2031 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2032 if (mbuf_len < 1 || sscanf(mbuf, "%*s %d", &numeric) != 1)
2034 /* :example.net 451 STARTTLS :You have not registered */
2035 /* :example.net 421 STARTTLS :Unknown command */
2036 if ((numeric == 451 || numeric == 421)
2037 && strstr(mbuf, "STARTTLS") != NULL) {
2038 BIO_printf(bio_err, "STARTTLS not supported: %s", mbuf);
2041 if (numeric == 691) {
2042 BIO_printf(bio_err, "STARTTLS negotiation failed: ");
2043 ERR_print_errors(bio_err);
2046 } while (numeric != 670);
2048 (void)BIO_flush(fbio);
2051 if (numeric != 670) {
2052 BIO_printf(bio_err, "Server does not support STARTTLS.\n");
2063 if ((SSL_version(con) == DTLS1_VERSION) &&
2064 DTLSv1_get_timeout(con, &timeout))
2065 timeoutp = &timeout;
2069 if (SSL_in_init(con) && !SSL_total_renegotiations(con)) {
2077 if (servername != NULL && !SSL_session_reused(con)) {
2078 BIO_printf(bio_c_out,
2079 "Server did %sacknowledge servername extension.\n",
2080 tlsextcbp.ack ? "" : "not ");
2084 BIO *stmp = BIO_new_file(sess_out, "w");
2086 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));
2089 BIO_printf(bio_err, "Error writing session file %s\n",
2093 BIO_puts(bio_err, "CONNECTION ESTABLISHED\n");
2094 print_ssl_summary(con);
2097 print_stuff(bio_c_out, con, full_log);
2101 if (starttls_proto) {
2102 BIO_write(bio_err, mbuf, mbuf_len);
2103 /* We don't need to know any more */
2105 starttls_proto = PROTO_OFF;
2110 BIO_printf(bio_c_out,
2111 "drop connection and then reconnect\n");
2112 do_ssl_shutdown(con);
2113 SSL_set_connect_state(con);
2114 BIO_closesocket(SSL_get_fd(con));
2120 ssl_pending = read_ssl && SSL_has_pending(con);
2123 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
2126 * Note that select() returns when read _would not block_,
2127 * and EOF satisfies that. To avoid a CPU-hogging loop,
2128 * set the flag so we exit.
2130 if (read_tty && !at_eof)
2131 openssl_fdset(fileno(stdin), &readfds);
2133 openssl_fdset(fileno(stdout), &writefds);
2136 openssl_fdset(SSL_get_fd(con), &readfds);
2138 openssl_fdset(SSL_get_fd(con), &writefds);
2140 if (!tty_on || !write_tty) {
2142 openssl_fdset(SSL_get_fd(con), &readfds);
2144 openssl_fdset(SSL_get_fd(con), &writefds);
2149 * Note: under VMS with SOCKETSHR the second parameter is
2150 * currently of type (int *) whereas under other systems it is
2151 * (void *) if you don't have a cast it will choke the compiler:
2152 * if you do have a cast then you can either go for (int *) or
2155 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2157 * Under Windows/DOS we make the assumption that we can always
2158 * write to the tty: therefore if we need to write to the tty we
2159 * just fall through. Otherwise we timeout the select every
2160 * second and see if there are any keypresses. Note: this is a
2161 * hack, in a proper Windows application we wouldn't do this.
2168 i = select(width, (void *)&readfds, (void *)&writefds,
2170 if (!i && (!has_stdin_waiting() || !read_tty))
2173 i = select(width, (void *)&readfds, (void *)&writefds,
2177 i = select(width, (void *)&readfds, (void *)&writefds,
2181 BIO_printf(bio_err, "bad select %d\n",
2182 get_last_socket_error());
2188 if ((SSL_version(con) == DTLS1_VERSION)
2189 && DTLSv1_handle_timeout(con) > 0) {
2190 BIO_printf(bio_err, "TIMEOUT occurred\n");
2193 if (!ssl_pending && FD_ISSET(SSL_get_fd(con), &writefds)) {
2194 k = SSL_write(con, &(cbuf[cbuf_off]), (unsigned int)cbuf_len);
2195 switch (SSL_get_error(con, k)) {
2196 case SSL_ERROR_NONE:
2201 /* we have done a write(con,NULL,0); */
2202 if (cbuf_len <= 0) {
2205 } else { /* if (cbuf_len > 0) */
2211 case SSL_ERROR_WANT_WRITE:
2212 BIO_printf(bio_c_out, "write W BLOCK\n");
2216 case SSL_ERROR_WANT_ASYNC:
2217 BIO_printf(bio_c_out, "write A BLOCK\n");
2218 wait_for_async(con);
2222 case SSL_ERROR_WANT_READ:
2223 BIO_printf(bio_c_out, "write R BLOCK\n");
2228 case SSL_ERROR_WANT_X509_LOOKUP:
2229 BIO_printf(bio_c_out, "write X BLOCK\n");
2231 case SSL_ERROR_ZERO_RETURN:
2232 if (cbuf_len != 0) {
2233 BIO_printf(bio_c_out, "shutdown\n");
2242 case SSL_ERROR_SYSCALL:
2243 if ((k != 0) || (cbuf_len != 0)) {
2244 BIO_printf(bio_err, "write:errno=%d\n",
2245 get_last_socket_error());
2252 case SSL_ERROR_WANT_ASYNC_JOB:
2253 /* This shouldn't ever happen in s_client - treat as an error */
2255 ERR_print_errors(bio_err);
2259 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2260 /* Assume Windows/DOS/BeOS can always write */
2261 else if (!ssl_pending && write_tty)
2263 else if (!ssl_pending && FD_ISSET(fileno(stdout), &writefds))
2266 #ifdef CHARSET_EBCDIC
2267 ascii2ebcdic(&(sbuf[sbuf_off]), &(sbuf[sbuf_off]), sbuf_len);
2269 i = raw_write_stdout(&(sbuf[sbuf_off]), sbuf_len);
2272 BIO_printf(bio_c_out, "DONE\n");
2280 if (sbuf_len <= 0) {
2284 } else if (ssl_pending || FD_ISSET(SSL_get_fd(con), &readfds)) {
2289 SSL_renegotiate(con);
2294 k = SSL_read(con, sbuf, 1024 /* BUFSIZZ */ );
2296 switch (SSL_get_error(con, k)) {
2297 case SSL_ERROR_NONE:
2306 case SSL_ERROR_WANT_ASYNC:
2307 BIO_printf(bio_c_out, "read A BLOCK\n");
2308 wait_for_async(con);
2311 if ((read_tty == 0) && (write_ssl == 0))
2314 case SSL_ERROR_WANT_WRITE:
2315 BIO_printf(bio_c_out, "read W BLOCK\n");
2319 case SSL_ERROR_WANT_READ:
2320 BIO_printf(bio_c_out, "read R BLOCK\n");
2323 if ((read_tty == 0) && (write_ssl == 0))
2326 case SSL_ERROR_WANT_X509_LOOKUP:
2327 BIO_printf(bio_c_out, "read X BLOCK\n");
2329 case SSL_ERROR_SYSCALL:
2330 ret = get_last_socket_error();
2332 BIO_puts(bio_err, "CONNECTION CLOSED BY SERVER\n");
2334 BIO_printf(bio_err, "read:errno=%d\n", ret);
2336 case SSL_ERROR_ZERO_RETURN:
2337 BIO_printf(bio_c_out, "closed\n");
2340 case SSL_ERROR_WANT_ASYNC_JOB:
2341 /* This shouldn't ever happen in s_client. Treat as an error */
2343 ERR_print_errors(bio_err);
2348 /* OPENSSL_SYS_MSDOS includes OPENSSL_SYS_WINDOWS */
2349 #if defined(OPENSSL_SYS_MSDOS)
2350 else if (has_stdin_waiting())
2352 else if (FD_ISSET(fileno(stdin), &readfds))
2358 i = raw_read_stdin(cbuf, BUFSIZZ / 2);
2360 /* both loops are skipped when i <= 0 */
2361 for (j = 0; j < i; j++)
2362 if (cbuf[j] == '\n')
2364 for (j = i - 1; j >= 0; j--) {
2365 cbuf[j + lf_num] = cbuf[j];
2366 if (cbuf[j] == '\n') {
2369 cbuf[j + lf_num] = '\r';
2372 assert(lf_num == 0);
2374 i = raw_read_stdin(cbuf, BUFSIZZ);
2379 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q' && cmdletters))) {
2380 BIO_printf(bio_err, "DONE\n");
2385 if ((!c_ign_eof) && (cbuf[0] == 'R' && cmdletters)) {
2386 BIO_printf(bio_err, "RENEGOTIATING\n");
2387 SSL_renegotiate(con);
2390 #ifndef OPENSSL_NO_HEARTBEATS
2391 else if ((!c_ign_eof) && (cbuf[0] == 'B' && cmdletters)) {
2392 BIO_printf(bio_err, "HEARTBEATING\n");
2400 #ifdef CHARSET_EBCDIC
2401 ebcdic2ascii(cbuf, cbuf, i);
2413 print_stuff(bio_c_out, con, full_log);
2414 do_ssl_shutdown(con);
2415 #if defined(OPENSSL_SYS_WINDOWS)
2417 * Give the socket time to send its last data before we close it.
2418 * No amount of setting SO_LINGER etc on the socket seems to persuade
2419 * Windows to send the data before closing the socket...but sleeping
2420 * for a short time seems to do it (units in ms)
2421 * TODO: Find a better way to do this
2425 BIO_closesocket(SSL_get_fd(con));
2429 print_stuff(bio_c_out, con, 1);
2432 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2433 OPENSSL_free(next_proto.data);
2437 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2439 sk_X509_pop_free(chain, X509_free);
2441 #ifndef OPENSSL_NO_SRP
2442 OPENSSL_free(srp_arg.srppassin);
2446 X509_VERIFY_PARAM_free(vpm);
2447 ssl_excert_free(exc);
2448 sk_OPENSSL_STRING_free(ssl_args);
2449 sk_OPENSSL_STRING_free(dane_tlsa_rrset);
2450 SSL_CONF_CTX_free(cctx);
2451 OPENSSL_clear_free(cbuf, BUFSIZZ);
2452 OPENSSL_clear_free(sbuf, BUFSIZZ);
2453 OPENSSL_clear_free(mbuf, BUFSIZZ);
2454 BIO_free(bio_c_out);
2456 BIO_free(bio_c_msg);
2461 static void print_stuff(BIO *bio, SSL *s, int full)
2466 STACK_OF(X509_NAME) *sk2;
2467 const SSL_CIPHER *c;
2470 #ifndef OPENSSL_NO_COMP
2471 const COMP_METHOD *comp, *expansion;
2473 unsigned char *exportedkeymat;
2474 #ifndef OPENSSL_NO_CT
2475 const SSL_CTX *ctx = SSL_get_SSL_CTX(s);
2479 int got_a_chain = 0;
2481 sk = SSL_get_peer_cert_chain(s);
2485 BIO_printf(bio, "---\nCertificate chain\n");
2486 for (i = 0; i < sk_X509_num(sk); i++) {
2487 X509_NAME_oneline(X509_get_subject_name(sk_X509_value(sk, i)),
2489 BIO_printf(bio, "%2d s:%s\n", i, buf);
2490 X509_NAME_oneline(X509_get_issuer_name(sk_X509_value(sk, i)),
2492 BIO_printf(bio, " i:%s\n", buf);
2494 PEM_write_bio_X509(bio, sk_X509_value(sk, i));
2498 BIO_printf(bio, "---\n");
2499 peer = SSL_get_peer_certificate(s);
2501 BIO_printf(bio, "Server certificate\n");
2503 /* Redundant if we showed the whole chain */
2504 if (!(c_showcerts && got_a_chain))
2505 PEM_write_bio_X509(bio, peer);
2506 X509_NAME_oneline(X509_get_subject_name(peer), buf, sizeof buf);
2507 BIO_printf(bio, "subject=%s\n", buf);
2508 X509_NAME_oneline(X509_get_issuer_name(peer), buf, sizeof buf);
2509 BIO_printf(bio, "issuer=%s\n", buf);
2511 BIO_printf(bio, "no peer certificate available\n");
2513 sk2 = SSL_get_client_CA_list(s);
2514 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0)) {
2515 BIO_printf(bio, "---\nAcceptable client certificate CA names\n");
2516 for (i = 0; i < sk_X509_NAME_num(sk2); i++) {
2517 xn = sk_X509_NAME_value(sk2, i);
2518 X509_NAME_oneline(xn, buf, sizeof(buf));
2519 BIO_write(bio, buf, strlen(buf));
2520 BIO_write(bio, "\n", 1);
2523 BIO_printf(bio, "---\nNo client certificate CA names sent\n");
2526 ssl_print_sigalgs(bio, s);
2527 ssl_print_tmp_key(bio, s);
2529 #ifndef OPENSSL_NO_CT
2531 * When the SSL session is anonymous, or resumed via an abbreviated
2532 * handshake, no SCTs are provided as part of the handshake. While in
2533 * a resumed session SCTs may be present in the session's certificate,
2534 * no callbacks are invoked to revalidate these, and in any case that
2535 * set of SCTs may be incomplete. Thus it makes little sense to
2536 * attempt to display SCTs from a resumed session's certificate, and of
2537 * course none are associated with an anonymous peer.
2539 if (peer != NULL && !SSL_session_reused(s) && SSL_ct_is_enabled(s)) {
2540 const STACK_OF(SCT) *scts = SSL_get0_peer_scts(s);
2541 int sct_count = scts != NULL ? sk_SCT_num(scts) : 0;
2543 BIO_printf(bio, "---\nSCTs present (%i)\n", sct_count);
2544 if (sct_count > 0) {
2545 const CTLOG_STORE *log_store = SSL_CTX_get0_ctlog_store(ctx);
2547 BIO_printf(bio, "---\n");
2548 for (i = 0; i < sct_count; ++i) {
2549 SCT *sct = sk_SCT_value(scts, i);
2551 BIO_printf(bio, "SCT validation status: %s\n",
2552 SCT_validation_status_string(sct));
2553 SCT_print(sct, bio, 0, log_store);
2554 if (i < sct_count - 1)
2555 BIO_printf(bio, "\n---\n");
2557 BIO_printf(bio, "\n");
2563 "---\nSSL handshake has read %"PRIu64" bytes and written %"PRIu64" bytes\n",
2564 BIO_number_read(SSL_get_rbio(s)),
2565 BIO_number_written(SSL_get_wbio(s)));
2567 print_verify_detail(s, bio);
2568 BIO_printf(bio, (SSL_session_reused(s) ? "---\nReused, " : "---\nNew, "));
2569 c = SSL_get_current_cipher(s);
2570 BIO_printf(bio, "%s, Cipher is %s\n",
2571 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
2575 pktmp = X509_get0_pubkey(peer);
2576 BIO_printf(bio, "Server public key is %d bit\n",
2577 EVP_PKEY_bits(pktmp));
2579 BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
2580 SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
2581 #ifndef OPENSSL_NO_COMP
2582 comp = SSL_get_current_compression(s);
2583 expansion = SSL_get_current_expansion(s);
2584 BIO_printf(bio, "Compression: %s\n",
2585 comp ? SSL_COMP_get_name(comp) : "NONE");
2586 BIO_printf(bio, "Expansion: %s\n",
2587 expansion ? SSL_COMP_get_name(expansion) : "NONE");
2592 /* Print out local port of connection: useful for debugging */
2594 struct sockaddr_in ladd;
2595 socklen_t ladd_size = sizeof(ladd);
2596 sock = SSL_get_fd(s);
2597 getsockname(sock, (struct sockaddr *)&ladd, &ladd_size);
2598 BIO_printf(bio_c_out, "LOCAL PORT is %u\n", ntohs(ladd.sin_port));
2602 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2603 if (next_proto.status != -1) {
2604 const unsigned char *proto;
2605 unsigned int proto_len;
2606 SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
2607 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
2608 BIO_write(bio, proto, proto_len);
2609 BIO_write(bio, "\n", 1);
2613 const unsigned char *proto;
2614 unsigned int proto_len;
2615 SSL_get0_alpn_selected(s, &proto, &proto_len);
2616 if (proto_len > 0) {
2617 BIO_printf(bio, "ALPN protocol: ");
2618 BIO_write(bio, proto, proto_len);
2619 BIO_write(bio, "\n", 1);
2621 BIO_printf(bio, "No ALPN negotiated\n");
2624 #ifndef OPENSSL_NO_SRTP
2626 SRTP_PROTECTION_PROFILE *srtp_profile =
2627 SSL_get_selected_srtp_profile(s);
2630 BIO_printf(bio, "SRTP Extension negotiated, profile=%s\n",
2631 srtp_profile->name);
2635 SSL_SESSION_print(bio, SSL_get_session(s));
2636 if (keymatexportlabel != NULL) {
2637 BIO_printf(bio, "Keying material exporter:\n");
2638 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel);
2639 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen);
2640 exportedkeymat = app_malloc(keymatexportlen, "export key");
2641 if (!SSL_export_keying_material(s, exportedkeymat,
2644 strlen(keymatexportlabel),
2646 BIO_printf(bio, " Error\n");
2648 BIO_printf(bio, " Keying material: ");
2649 for (i = 0; i < keymatexportlen; i++)
2650 BIO_printf(bio, "%02X", exportedkeymat[i]);
2651 BIO_printf(bio, "\n");
2653 OPENSSL_free(exportedkeymat);
2655 BIO_printf(bio, "---\n");
2657 /* flush, or debugging output gets mixed with http response */
2658 (void)BIO_flush(bio);
2661 # ifndef OPENSSL_NO_OCSP
2662 static int ocsp_resp_cb(SSL *s, void *arg)
2664 const unsigned char *p;
2667 len = SSL_get_tlsext_status_ocsp_resp(s, &p);
2668 BIO_puts(arg, "OCSP response: ");
2670 BIO_puts(arg, "no response sent\n");
2673 rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
2675 BIO_puts(arg, "response parse error\n");
2676 BIO_dump_indent(arg, (char *)p, len, 4);
2679 BIO_puts(arg, "\n======================================\n");
2680 OCSP_RESPONSE_print(arg, rsp, 0);
2681 BIO_puts(arg, "======================================\n");
2682 OCSP_RESPONSE_free(rsp);