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) == 1 &&
253 p != NULL && BN_rshift1(p, N) &&
255 BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) == 1 &&
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 #define IS_PROT_FLAG(o) \
772 (o == OPT_SSL3 || o == OPT_TLS1 || o == OPT_TLS1_1 || o == OPT_TLS1_2 \
773 || o == OPT_DTLS || o == OPT_DTLS1 || o == OPT_DTLS1_2)
775 /* Free |*dest| and optionally set it to a copy of |source|. */
776 static void freeandcopy(char **dest, const char *source)
781 *dest = OPENSSL_strdup(source);
784 int s_client_main(int argc, char **argv)
787 EVP_PKEY *key = NULL;
790 STACK_OF(X509) *chain = NULL;
792 X509_VERIFY_PARAM *vpm = NULL;
793 SSL_EXCERT *exc = NULL;
794 SSL_CONF_CTX *cctx = NULL;
795 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
796 char *dane_tlsa_domain = NULL;
797 STACK_OF(OPENSSL_STRING) *dane_tlsa_rrset = NULL;
798 STACK_OF(X509_CRL) *crls = NULL;
799 const SSL_METHOD *meth = TLS_client_method();
800 char *CApath = NULL, *CAfile = NULL, *cbuf = NULL, *sbuf = NULL;
801 char *mbuf = NULL, *proxystr = NULL, *connectstr = NULL;
802 char *cert_file = NULL, *key_file = NULL, *chain_file = NULL;
803 char *chCApath = NULL, *chCAfile = NULL, *host = NULL;
804 char *port = OPENSSL_strdup(PORT);
806 char *passarg = NULL, *pass = NULL, *vfyCApath = NULL, *vfyCAfile = NULL;
807 char *sess_in = NULL, *sess_out = NULL, *crl_file = NULL, *p;
808 char *xmpphost = NULL;
809 const char *ehlo = "mail.example.com";
810 struct timeval timeout, *timeoutp;
811 fd_set readfds, writefds;
812 int noCApath = 0, noCAfile = 0;
813 int build_chain = 0, cbuf_len, cbuf_off, cert_format = FORMAT_PEM;
814 int key_format = FORMAT_PEM, crlf = 0, full_log = 1, mbuf_len = 0;
817 int reconnect = 0, verify = SSL_VERIFY_NONE, vpmtouched = 0;
818 int ret = 1, in_init = 1, i, nbio_test = 0, s = -1, k, width, state = 0;
819 int sbuf_len, sbuf_off, cmdletters = 1;
820 int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM;
821 int starttls_proto = PROTO_OFF, crl_format = FORMAT_PEM, crl_download = 0;
822 int write_tty, read_tty, write_ssl, read_ssl, tty_on, ssl_pending;
824 int read_buf_len = 0;
825 int fallback_scsv = 0;
828 #ifndef OPENSSL_NO_DTLS
829 int enable_timeouts = 0;
832 #ifndef OPENSSL_NO_ENGINE
833 ENGINE *ssl_client_engine = NULL;
836 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
839 char *servername = NULL;
840 const char *alpn_in = NULL;
841 tlsextctx tlsextcbp = { NULL, 0 };
842 const char *ssl_config = NULL;
843 #define MAX_SI_TYPES 100
844 unsigned short serverinfo_types[MAX_SI_TYPES];
845 int serverinfo_count = 0, start = 0, len;
846 #ifndef OPENSSL_NO_NEXTPROTONEG
847 const char *next_proto_neg_in = NULL;
849 #ifndef OPENSSL_NO_SRP
850 char *srppass = NULL;
851 int srp_lateuser = 0;
852 SRP_ARG srp_arg = { NULL, NULL, 0, 0, 0, 1024 };
854 #ifndef OPENSSL_NO_CT
855 char *ctlog_file = NULL;
856 int ct_validation = 0;
858 int min_version = 0, max_version = 0, prot_opt = 0, no_prot_opt = 0;
860 unsigned int split_send_fragment = 0;
861 unsigned int max_pipelines = 0;
862 enum { use_inet, use_unix, use_unknown } connect_type = use_unknown;
867 /* Known false-positive of MemorySanitizer. */
868 #if defined(__has_feature)
869 # if __has_feature(memory_sanitizer)
870 __msan_unpoison(&readfds, sizeof(readfds));
871 __msan_unpoison(&writefds, sizeof(writefds));
875 prog = opt_progname(argv[0]);
883 verify_error = X509_V_OK;
884 vpm = X509_VERIFY_PARAM_new();
885 cbuf = app_malloc(BUFSIZZ, "cbuf");
886 sbuf = app_malloc(BUFSIZZ, "sbuf");
887 mbuf = app_malloc(BUFSIZZ, "mbuf");
888 cctx = SSL_CONF_CTX_new();
890 if (vpm == NULL || cctx == NULL) {
891 BIO_printf(bio_err, "%s: out of memory\n", prog);
895 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT | SSL_CONF_FLAG_CMDLINE);
897 prog = opt_init(argc, argv, s_client_options);
898 while ((o = opt_next()) != OPT_EOF) {
899 /* Check for intermixing flags. */
900 if (connect_type == use_unix && IS_INET_FLAG(o)) {
902 "%s: Intermixed protocol flags (unix and internet domains)\n",
906 if (connect_type == use_inet && IS_UNIX_FLAG(o)) {
908 "%s: Intermixed protocol flags (internet and unix domains)\n",
913 if (IS_PROT_FLAG(o) && ++prot_opt > 1) {
914 BIO_printf(bio_err, "Cannot supply multiple protocol flags\n");
917 if (IS_NO_PROT_FLAG(o))
919 if (prot_opt == 1 && no_prot_opt) {
920 BIO_printf(bio_err, "Cannot supply both a protocol flag and "
929 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
932 opt_help(s_client_options);
936 connect_type = use_inet;
937 socket_family = AF_INET;
942 connect_type = use_inet;
943 socket_family = AF_INET6;
948 connect_type = use_inet;
949 freeandcopy(&host, opt_arg());
952 connect_type = use_inet;
953 freeandcopy(&port, opt_arg());
956 connect_type = use_inet;
957 freeandcopy(&connectstr, opt_arg());
960 proxystr = opt_arg();
961 starttls_proto = PROTO_CONNECT;
965 connect_type = use_unix;
966 socket_family = AF_UNIX;
967 freeandcopy(&host, opt_arg());
971 xmpphost = opt_arg();
977 verify = SSL_VERIFY_PEER;
978 verify_depth = atoi(opt_arg());
980 BIO_printf(bio_err, "verify depth is %d\n", verify_depth);
983 cert_file = opt_arg();
986 crl_file = opt_arg();
988 case OPT_CRL_DOWNLOAD:
992 sess_out = opt_arg();
998 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &cert_format))
1002 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
1005 case OPT_VERIFY_RET_ERROR:
1006 verify_return_error = 1;
1008 case OPT_VERIFY_QUIET:
1012 c_brief = verify_quiet = c_quiet = 1;
1015 if (ssl_args == NULL)
1016 ssl_args = sk_OPENSSL_STRING_new_null();
1017 if (ssl_args == NULL
1018 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
1019 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
1020 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1025 if (!opt_verify(o, vpm))
1030 if (!args_excert(o, &exc))
1040 c_quiet = c_ign_eof = 1;
1049 e = setup_engine(opt_arg(), 1);
1051 case OPT_SSL_CLIENT_ENGINE:
1052 #ifndef OPENSSL_NO_ENGINE
1053 ssl_client_engine = ENGINE_by_id(opt_arg());
1054 if (ssl_client_engine == NULL) {
1055 BIO_printf(bio_err, "Error getting client auth engine\n");
1066 case OPT_NO_IGN_EOF:
1072 case OPT_TLSEXTDEBUG:
1087 bio_c_msg = BIO_new_file(opt_arg(), "w");
1090 #ifndef OPENSSL_NO_SSL_TRACE
1094 case OPT_SECURITY_DEBUG:
1097 case OPT_SECURITY_DEBUG_VERBOSE:
1109 #ifndef OPENSSL_NO_PSK
1110 case OPT_PSK_IDENTITY:
1111 psk_identity = opt_arg();
1114 for (p = psk_key = opt_arg(); *p; p++) {
1115 if (isxdigit(_UC(*p)))
1117 BIO_printf(bio_err, "Not a hex number '%s'\n", psk_key);
1122 #ifndef OPENSSL_NO_SRP
1124 srp_arg.srplogin = opt_arg();
1125 if (min_version < TLS1_VERSION)
1126 min_version = TLS1_VERSION;
1129 srppass = opt_arg();
1130 if (min_version < TLS1_VERSION)
1131 min_version = TLS1_VERSION;
1133 case OPT_SRP_STRENGTH:
1134 srp_arg.strength = atoi(opt_arg());
1135 BIO_printf(bio_err, "SRP minimal length for N is %d\n",
1137 if (min_version < TLS1_VERSION)
1138 min_version = TLS1_VERSION;
1140 case OPT_SRP_LATEUSER:
1142 if (min_version < TLS1_VERSION)
1143 min_version = TLS1_VERSION;
1145 case OPT_SRP_MOREGROUPS:
1147 if (min_version < TLS1_VERSION)
1148 min_version = TLS1_VERSION;
1151 case OPT_SSL_CONFIG:
1152 ssl_config = opt_arg();
1155 min_version = SSL3_VERSION;
1156 max_version = SSL3_VERSION;
1159 min_version = TLS1_2_VERSION;
1160 max_version = TLS1_2_VERSION;
1163 min_version = TLS1_1_VERSION;
1164 max_version = TLS1_1_VERSION;
1167 min_version = TLS1_VERSION;
1168 max_version = TLS1_VERSION;
1171 #ifndef OPENSSL_NO_DTLS
1172 meth = DTLS_client_method();
1173 socket_type = SOCK_DGRAM;
1177 #ifndef OPENSSL_NO_DTLS1
1178 meth = DTLS_client_method();
1179 min_version = DTLS1_VERSION;
1180 max_version = DTLS1_VERSION;
1181 socket_type = SOCK_DGRAM;
1185 #ifndef OPENSSL_NO_DTLS1_2
1186 meth = DTLS_client_method();
1187 min_version = DTLS1_2_VERSION;
1188 max_version = DTLS1_2_VERSION;
1189 socket_type = SOCK_DGRAM;
1193 #ifndef OPENSSL_NO_DTLS
1194 enable_timeouts = 1;
1198 #ifndef OPENSSL_NO_DTLS
1199 socket_mtu = atol(opt_arg());
1202 case OPT_FALLBACKSCSV:
1206 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &key_format))
1210 passarg = opt_arg();
1212 case OPT_CERT_CHAIN:
1213 chain_file = opt_arg();
1216 key_file = opt_arg();
1227 case OPT_CHAINCAPATH:
1228 chCApath = opt_arg();
1230 case OPT_VERIFYCAPATH:
1231 vfyCApath = opt_arg();
1233 case OPT_BUILD_CHAIN:
1242 #ifndef OPENSSL_NO_CT
1249 case OPT_CTLOG_FILE:
1250 ctlog_file = opt_arg();
1253 case OPT_CHAINCAFILE:
1254 chCAfile = opt_arg();
1256 case OPT_VERIFYCAFILE:
1257 vfyCAfile = opt_arg();
1259 case OPT_DANE_TLSA_DOMAIN:
1260 dane_tlsa_domain = opt_arg();
1262 case OPT_DANE_TLSA_RRDATA:
1263 if (dane_tlsa_rrset == NULL)
1264 dane_tlsa_rrset = sk_OPENSSL_STRING_new_null();
1265 if (dane_tlsa_rrset == NULL ||
1266 !sk_OPENSSL_STRING_push(dane_tlsa_rrset, opt_arg())) {
1267 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1271 case OPT_NEXTPROTONEG:
1272 #ifndef OPENSSL_NO_NEXTPROTONEG
1273 next_proto_neg_in = opt_arg();
1277 alpn_in = opt_arg();
1279 case OPT_SERVERINFO:
1282 for (start = 0, i = 0; i <= len; ++i) {
1283 if (i == len || p[i] == ',') {
1284 serverinfo_types[serverinfo_count] = atoi(p + start);
1285 if (++serverinfo_count == MAX_SI_TYPES)
1292 if (!opt_pair(opt_arg(), services, &starttls_proto))
1295 case OPT_SERVERNAME:
1296 servername = opt_arg();
1299 srtp_profiles = opt_arg();
1301 case OPT_KEYMATEXPORT:
1302 keymatexportlabel = opt_arg();
1304 case OPT_KEYMATEXPORTLEN:
1305 keymatexportlen = atoi(opt_arg());
1310 case OPT_SPLIT_SEND_FRAG:
1311 split_send_fragment = atoi(opt_arg());
1312 if (split_send_fragment == 0) {
1314 * Not allowed - set to a deliberately bad value so we get an
1315 * error message below
1317 split_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH + 1;
1320 case OPT_MAX_PIPELINES:
1321 max_pipelines = atoi(opt_arg());
1324 read_buf_len = atoi(opt_arg());
1328 if (count4or6 >= 2) {
1329 BIO_printf(bio_err, "%s: Can't use both -4 and -6\n", prog);
1332 argc = opt_num_rest();
1338 char *tmp_host = host, *tmp_port = port;
1339 if (connectstr == NULL) {
1340 BIO_printf(bio_err, "%s: -proxy requires use of -connect\n", prog);
1343 res = BIO_parse_hostserv(proxystr, &host, &port, BIO_PARSE_PRIO_HOST);
1344 if (tmp_host != host)
1345 OPENSSL_free(tmp_host);
1346 if (tmp_port != port)
1347 OPENSSL_free(tmp_port);
1349 BIO_printf(bio_err, "%s: -proxy argument malformed or ambiguous\n",
1355 char *tmp_host = host, *tmp_port = port;
1356 if (connectstr != NULL)
1357 res = BIO_parse_hostserv(connectstr, &host, &port,
1358 BIO_PARSE_PRIO_HOST);
1359 if (tmp_host != host)
1360 OPENSSL_free(tmp_host);
1361 if (tmp_port != port)
1362 OPENSSL_free(tmp_port);
1365 "%s: -connect argument malformed or ambiguous\n",
1371 if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) {
1373 "Can't use unix sockets and datagrams together\n");
1377 if (split_send_fragment > SSL3_RT_MAX_PLAIN_LENGTH) {
1378 BIO_printf(bio_err, "Bad split send fragment size\n");
1382 if (max_pipelines > SSL_MAX_PIPELINES) {
1383 BIO_printf(bio_err, "Bad max pipelines value\n");
1387 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1388 next_proto.status = -1;
1389 if (next_proto_neg_in) {
1391 next_protos_parse(&next_proto.len, next_proto_neg_in);
1392 if (next_proto.data == NULL) {
1393 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n");
1397 next_proto.data = NULL;
1400 if (!app_passwd(passarg, NULL, &pass, NULL)) {
1401 BIO_printf(bio_err, "Error getting password\n");
1405 if (key_file == NULL)
1406 key_file = cert_file;
1409 key = load_key(key_file, key_format, 0, pass, e,
1410 "client certificate private key file");
1412 ERR_print_errors(bio_err);
1418 cert = load_cert(cert_file, cert_format, "client certificate file");
1420 ERR_print_errors(bio_err);
1426 if (!load_certs(chain_file, &chain, FORMAT_PEM, NULL,
1427 "client certificate chain"))
1433 crl = load_crl(crl_file, crl_format);
1435 BIO_puts(bio_err, "Error loading CRL\n");
1436 ERR_print_errors(bio_err);
1439 crls = sk_X509_CRL_new_null();
1440 if (crls == NULL || !sk_X509_CRL_push(crls, crl)) {
1441 BIO_puts(bio_err, "Error adding CRL\n");
1442 ERR_print_errors(bio_err);
1448 if (!load_excert(&exc))
1451 if (!app_RAND_load_file(NULL, 1) && inrand == NULL
1452 && !RAND_status()) {
1454 "warning, not much extra random data, consider using the -rand option\n");
1456 if (inrand != NULL) {
1457 randamt = app_RAND_load_files(inrand);
1458 BIO_printf(bio_err, "%ld semi-random bytes loaded\n", randamt);
1461 if (bio_c_out == NULL) {
1462 if (c_quiet && !c_debug) {
1463 bio_c_out = BIO_new(BIO_s_null());
1464 if (c_msg && !bio_c_msg)
1465 bio_c_msg = dup_bio_out(FORMAT_TEXT);
1466 } else if (bio_c_out == NULL)
1467 bio_c_out = dup_bio_out(FORMAT_TEXT);
1469 #ifndef OPENSSL_NO_SRP
1470 if (!app_passwd(srppass, NULL, &srp_arg.srppassin, NULL)) {
1471 BIO_printf(bio_err, "Error getting password\n");
1476 ctx = SSL_CTX_new(meth);
1478 ERR_print_errors(bio_err);
1483 ssl_ctx_security_debug(ctx, sdebug);
1486 if (SSL_CTX_config(ctx, ssl_config) == 0) {
1487 BIO_printf(bio_err, "Error using configuration \"%s\"\n",
1489 ERR_print_errors(bio_err);
1494 if (SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
1496 if (SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
1499 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
1500 BIO_printf(bio_err, "Error setting verify params\n");
1501 ERR_print_errors(bio_err);
1506 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
1508 if (split_send_fragment > 0) {
1509 SSL_CTX_set_split_send_fragment(ctx, split_send_fragment);
1511 if (max_pipelines > 0) {
1512 SSL_CTX_set_max_pipelines(ctx, max_pipelines);
1515 if (read_buf_len > 0) {
1516 SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len);
1519 if (!config_ctx(cctx, ssl_args, ctx))
1522 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1523 crls, crl_download)) {
1524 BIO_printf(bio_err, "Error loading store locations\n");
1525 ERR_print_errors(bio_err);
1528 #ifndef OPENSSL_NO_ENGINE
1529 if (ssl_client_engine) {
1530 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine)) {
1531 BIO_puts(bio_err, "Error setting client auth engine\n");
1532 ERR_print_errors(bio_err);
1533 ENGINE_free(ssl_client_engine);
1536 ENGINE_free(ssl_client_engine);
1540 #ifndef OPENSSL_NO_PSK
1541 if (psk_key != NULL) {
1543 BIO_printf(bio_c_out,
1544 "PSK key given, setting client callback\n");
1545 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
1548 #ifndef OPENSSL_NO_SRTP
1549 if (srtp_profiles != NULL) {
1550 /* Returns 0 on success! */
1551 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
1552 BIO_printf(bio_err, "Error setting SRTP profile\n");
1553 ERR_print_errors(bio_err);
1560 ssl_ctx_set_excert(ctx, exc);
1562 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1563 if (next_proto.data)
1564 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
1568 unsigned char *alpn = next_protos_parse(&alpn_len, alpn_in);
1571 BIO_printf(bio_err, "Error parsing -alpn argument\n");
1574 /* Returns 0 on success! */
1575 if (SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len) != 0) {
1576 BIO_printf(bio_err, "Error setting ALPN\n");
1582 for (i = 0; i < serverinfo_count; i++) {
1583 if (!SSL_CTX_add_client_custom_ext(ctx,
1584 serverinfo_types[i],
1586 serverinfo_cli_parse_cb, NULL)) {
1588 "Warning: Unable to add custom extension %u, skipping\n",
1589 serverinfo_types[i]);
1594 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1596 #ifndef OPENSSL_NO_CT
1597 /* Enable SCT processing, without early connection termination */
1598 if (ct_validation &&
1599 !SSL_CTX_enable_ct(ctx, SSL_CT_VALIDATION_PERMISSIVE)) {
1600 ERR_print_errors(bio_err);
1604 if (!ctx_set_ctlog_list_file(ctx, ctlog_file)) {
1605 if (ct_validation) {
1606 ERR_print_errors(bio_err);
1611 * If CT validation is not enabled, the log list isn't needed so don't
1612 * show errors or abort. We try to load it regardless because then we
1613 * can show the names of the logs any SCTs came from (SCTs may be seen
1614 * even with validation disabled).
1620 SSL_CTX_set_verify(ctx, verify, verify_callback);
1622 if (!ctx_set_verify_locations(ctx, CAfile, CApath, noCAfile, noCApath)) {
1623 ERR_print_errors(bio_err);
1627 ssl_ctx_add_crls(ctx, crls, crl_download);
1629 if (!set_cert_key_stuff(ctx, cert, key, chain, build_chain))
1632 if (servername != NULL) {
1633 tlsextcbp.biodebug = bio_err;
1634 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1635 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1637 # ifndef OPENSSL_NO_SRP
1638 if (srp_arg.srplogin) {
1639 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin)) {
1640 BIO_printf(bio_err, "Unable to set SRP username\n");
1643 srp_arg.msg = c_msg;
1644 srp_arg.debug = c_debug;
1645 SSL_CTX_set_srp_cb_arg(ctx, &srp_arg);
1646 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb);
1647 SSL_CTX_set_srp_strength(ctx, srp_arg.strength);
1648 if (c_msg || c_debug || srp_arg.amp == 0)
1649 SSL_CTX_set_srp_verify_param_callback(ctx,
1650 ssl_srp_verify_param_cb);
1654 if (dane_tlsa_domain != NULL) {
1655 if (SSL_CTX_dane_enable(ctx) <= 0) {
1657 "%s: Error enabling DANE TLSA authentication.\n", prog);
1658 ERR_print_errors(bio_err);
1666 BIO *stmp = BIO_new_file(sess_in, "r");
1668 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1669 ERR_print_errors(bio_err);
1672 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1675 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1676 ERR_print_errors(bio_err);
1679 if (!SSL_set_session(con, sess)) {
1680 BIO_printf(bio_err, "Can't set session\n");
1681 ERR_print_errors(bio_err);
1684 SSL_SESSION_free(sess);
1688 SSL_set_mode(con, SSL_MODE_SEND_FALLBACK_SCSV);
1690 if (servername != NULL) {
1691 if (!SSL_set_tlsext_host_name(con, servername)) {
1692 BIO_printf(bio_err, "Unable to set TLS servername extension.\n");
1693 ERR_print_errors(bio_err);
1698 if (dane_tlsa_domain != NULL) {
1699 if (SSL_dane_enable(con, dane_tlsa_domain) <= 0) {
1700 BIO_printf(bio_err, "%s: Error enabling DANE TLSA "
1701 "authentication.\n", prog);
1702 ERR_print_errors(bio_err);
1705 if (dane_tlsa_rrset == NULL) {
1706 BIO_printf(bio_err, "%s: DANE TLSA authentication requires at "
1707 "least one -dane_tlsa_rrset option.\n", prog);
1710 if (tlsa_import_rrset(con, dane_tlsa_rrset) <= 0) {
1711 BIO_printf(bio_err, "%s: Failed to import any TLSA "
1712 "records.\n", prog);
1715 } else if (dane_tlsa_rrset != NULL) {
1716 BIO_printf(bio_err, "%s: DANE TLSA authentication requires the "
1717 "-dane_tlsa_domain option.\n", prog);
1722 if (init_client(&s, host, port, socket_family, socket_type) == 0)
1724 BIO_printf(bio_err, "connect:errno=%d\n", get_last_socket_error());
1728 BIO_printf(bio_c_out, "CONNECTED(%08X)\n", s);
1731 if (!BIO_socket_nbio(s, 1)) {
1732 ERR_print_errors(bio_err);
1735 BIO_printf(bio_c_out, "Turned on non blocking io\n");
1737 #ifndef OPENSSL_NO_DTLS
1738 if (socket_type == SOCK_DGRAM) {
1739 union BIO_sock_info_u peer_info;
1741 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
1742 if ((peer_info.addr = BIO_ADDR_new()) == NULL) {
1743 BIO_printf(bio_err, "memory allocation failure\n");
1747 if (!BIO_sock_info(s, BIO_SOCK_INFO_ADDRESS, &peer_info)) {
1748 BIO_printf(bio_err, "getsockname:errno=%d\n",
1749 get_last_socket_error());
1750 BIO_ADDR_free(peer_info.addr);
1755 (void)BIO_ctrl_set_connected(sbio, peer_info.addr);
1756 BIO_ADDR_free(peer_info.addr);
1757 peer_info.addr = NULL;
1759 if (enable_timeouts) {
1761 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1762 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1765 timeout.tv_usec = DGRAM_SND_TIMEOUT;
1766 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1770 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
1771 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
1772 DTLS_get_link_min_mtu(con));
1776 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1777 if (!DTLS_set_link_mtu(con, socket_mtu)) {
1778 BIO_printf(bio_err, "Failed to set MTU\n");
1783 /* want to do MTU discovery */
1784 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1786 #endif /* OPENSSL_NO_DTLS */
1787 sbio = BIO_new_socket(s, BIO_NOCLOSE);
1792 test = BIO_new(BIO_f_nbio_test());
1793 sbio = BIO_push(test, sbio);
1797 BIO_set_callback(sbio, bio_dump_callback);
1798 BIO_set_callback_arg(sbio, (char *)bio_c_out);
1801 #ifndef OPENSSL_NO_SSL_TRACE
1803 SSL_set_msg_callback(con, SSL_trace);
1806 SSL_set_msg_callback(con, msg_cb);
1807 SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out);
1810 if (c_tlsextdebug) {
1811 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1812 SSL_set_tlsext_debug_arg(con, bio_c_out);
1814 #ifndef OPENSSL_NO_OCSP
1816 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
1817 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
1818 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
1822 SSL_set_bio(con, sbio, sbio);
1823 SSL_set_connect_state(con);
1825 /* ok, lets connect */
1826 width = SSL_get_fd(con) + 1;
1839 switch ((PROTOCOL_CHOICE) starttls_proto) {
1845 * This is an ugly hack that does a lot of assumptions. We do
1846 * have to handle multi-line responses which may come in a single
1847 * packet or not. We therefore have to use BIO_gets() which does
1848 * need a buffering BIO. So during the initial chitchat we do
1849 * push a buffering BIO into the chain that is removed again
1850 * later on to not disturb the rest of the s_client operation.
1853 BIO *fbio = BIO_new(BIO_f_buffer());
1854 BIO_push(fbio, sbio);
1855 /* wait for multi-line response to end from SMTP */
1857 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1859 while (mbuf_len > 3 && mbuf[3] == '-');
1860 BIO_printf(fbio, "EHLO %s\r\n", ehlo);
1861 (void)BIO_flush(fbio);
1862 /* wait for multi-line response to end EHLO SMTP response */
1864 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1865 if (strstr(mbuf, "STARTTLS"))
1868 while (mbuf_len > 3 && mbuf[3] == '-');
1869 (void)BIO_flush(fbio);
1874 "didn't find starttls in server response,"
1875 " trying anyway...\n");
1876 BIO_printf(sbio, "STARTTLS\r\n");
1877 BIO_read(sbio, sbuf, BUFSIZZ);
1882 BIO_read(sbio, mbuf, BUFSIZZ);
1883 BIO_printf(sbio, "STLS\r\n");
1884 mbuf_len = BIO_read(sbio, sbuf, BUFSIZZ);
1886 BIO_printf(bio_err, "BIO_read failed\n");
1894 BIO *fbio = BIO_new(BIO_f_buffer());
1895 BIO_push(fbio, sbio);
1896 BIO_gets(fbio, mbuf, BUFSIZZ);
1897 /* STARTTLS command requires CAPABILITY... */
1898 BIO_printf(fbio, ". CAPABILITY\r\n");
1899 (void)BIO_flush(fbio);
1900 /* wait for multi-line CAPABILITY response */
1902 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1903 if (strstr(mbuf, "STARTTLS"))
1906 while (mbuf_len > 3 && mbuf[0] != '.');
1907 (void)BIO_flush(fbio);
1912 "didn't find STARTTLS in server response,"
1913 " trying anyway...\n");
1914 BIO_printf(sbio, ". STARTTLS\r\n");
1915 BIO_read(sbio, sbuf, BUFSIZZ);
1920 BIO *fbio = BIO_new(BIO_f_buffer());
1921 BIO_push(fbio, sbio);
1922 /* wait for multi-line response to end from FTP */
1924 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1926 while (mbuf_len > 3 && mbuf[3] == '-');
1927 (void)BIO_flush(fbio);
1930 BIO_printf(sbio, "AUTH TLS\r\n");
1931 BIO_read(sbio, sbuf, BUFSIZZ);
1935 case PROTO_XMPP_SERVER:
1938 BIO_printf(sbio, "<stream:stream "
1939 "xmlns:stream='http://etherx.jabber.org/streams' "
1940 "xmlns='jabber:%s' to='%s' version='1.0'>",
1941 starttls_proto == PROTO_XMPP ? "client" : "server",
1942 xmpphost ? xmpphost : host);
1943 seen = BIO_read(sbio, mbuf, BUFSIZZ);
1946 (mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")
1948 "<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\""))
1950 seen = BIO_read(sbio, mbuf, BUFSIZZ);
1958 "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
1959 seen = BIO_read(sbio, sbuf, BUFSIZZ);
1961 if (!strstr(sbuf, "<proceed"))
1968 static const unsigned char tls_do[] = {
1969 /* IAC DO START_TLS */
1972 static const unsigned char tls_will[] = {
1973 /* IAC WILL START_TLS */
1976 static const unsigned char tls_follows[] = {
1977 /* IAC SB START_TLS FOLLOWS IAC SE */
1978 255, 250, 46, 1, 255, 240
1982 /* Telnet server should demand we issue START_TLS */
1983 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
1984 if (bytes != 3 || memcmp(mbuf, tls_do, 3) != 0)
1986 /* Agree to issue START_TLS and send the FOLLOWS sub-command */
1987 BIO_write(sbio, tls_will, 3);
1988 BIO_write(sbio, tls_follows, 6);
1989 (void)BIO_flush(sbio);
1990 /* Telnet server also sent the FOLLOWS sub-command */
1991 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
1992 if (bytes != 6 || memcmp(mbuf, tls_follows, 6) != 0)
1999 BIO *fbio = BIO_new(BIO_f_buffer());
2001 BIO_push(fbio, sbio);
2002 BIO_printf(fbio, "CONNECT %s HTTP/1.0\r\n\r\n", connectstr);
2003 (void)BIO_flush(fbio);
2004 /* wait for multi-line response to end CONNECT response */
2006 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2007 if (strstr(mbuf, "200") != NULL
2008 && strstr(mbuf, "established") != NULL)
2010 } while (mbuf_len > 3 && foundit == 0);
2011 (void)BIO_flush(fbio);
2015 BIO_printf(bio_err, "%s: HTTP CONNECT failed\n", prog);
2023 BIO *fbio = BIO_new(BIO_f_buffer());
2025 BIO_push(fbio, sbio);
2026 BIO_printf(fbio, "STARTTLS\r\n");
2027 (void)BIO_flush(fbio);
2028 width = SSL_get_fd(con) + 1;
2034 openssl_fdset(SSL_get_fd(con), &readfds);
2035 timeout.tv_sec = S_CLIENT_IRC_READ_TIMEOUT;
2036 timeout.tv_usec = 0;
2038 * If the IRCd doesn't respond within
2039 * S_CLIENT_IRC_READ_TIMEOUT seconds, assume
2040 * it doesn't support STARTTLS. Many IRCds
2041 * will not give _any_ sort of response to a
2042 * STARTTLS command when it's not supported.
2044 if (!BIO_get_buffer_num_lines(fbio)
2045 && !BIO_pending(fbio)
2046 && !BIO_pending(sbio)
2047 && select(width, (void *)&readfds, NULL, NULL,
2050 "Timeout waiting for response (%d seconds).\n",
2051 S_CLIENT_IRC_READ_TIMEOUT);
2055 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2056 if (mbuf_len < 1 || sscanf(mbuf, "%*s %d", &numeric) != 1)
2058 /* :example.net 451 STARTTLS :You have not registered */
2059 /* :example.net 421 STARTTLS :Unknown command */
2060 if ((numeric == 451 || numeric == 421)
2061 && strstr(mbuf, "STARTTLS") != NULL) {
2062 BIO_printf(bio_err, "STARTTLS not supported: %s", mbuf);
2065 if (numeric == 691) {
2066 BIO_printf(bio_err, "STARTTLS negotiation failed: ");
2067 ERR_print_errors(bio_err);
2070 } while (numeric != 670);
2072 (void)BIO_flush(fbio);
2075 if (numeric != 670) {
2076 BIO_printf(bio_err, "Server does not support STARTTLS.\n");
2087 if ((SSL_version(con) == DTLS1_VERSION) &&
2088 DTLSv1_get_timeout(con, &timeout))
2089 timeoutp = &timeout;
2093 if (SSL_in_init(con) && !SSL_total_renegotiations(con)) {
2101 if (servername != NULL && !SSL_session_reused(con)) {
2102 BIO_printf(bio_c_out,
2103 "Server did %sacknowledge servername extension.\n",
2104 tlsextcbp.ack ? "" : "not ");
2108 BIO *stmp = BIO_new_file(sess_out, "w");
2110 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));
2113 BIO_printf(bio_err, "Error writing session file %s\n",
2117 BIO_puts(bio_err, "CONNECTION ESTABLISHED\n");
2118 print_ssl_summary(con);
2121 print_stuff(bio_c_out, con, full_log);
2125 if (starttls_proto) {
2126 BIO_write(bio_err, mbuf, mbuf_len);
2127 /* We don't need to know any more */
2129 starttls_proto = PROTO_OFF;
2134 BIO_printf(bio_c_out,
2135 "drop connection and then reconnect\n");
2136 do_ssl_shutdown(con);
2137 SSL_set_connect_state(con);
2138 BIO_closesocket(SSL_get_fd(con));
2144 ssl_pending = read_ssl && SSL_has_pending(con);
2147 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
2150 * Note that select() returns when read _would not block_,
2151 * and EOF satisfies that. To avoid a CPU-hogging loop,
2152 * set the flag so we exit.
2154 if (read_tty && !at_eof)
2155 openssl_fdset(fileno(stdin), &readfds);
2157 openssl_fdset(fileno(stdout), &writefds);
2160 openssl_fdset(SSL_get_fd(con), &readfds);
2162 openssl_fdset(SSL_get_fd(con), &writefds);
2164 if (!tty_on || !write_tty) {
2166 openssl_fdset(SSL_get_fd(con), &readfds);
2168 openssl_fdset(SSL_get_fd(con), &writefds);
2173 * Note: under VMS with SOCKETSHR the second parameter is
2174 * currently of type (int *) whereas under other systems it is
2175 * (void *) if you don't have a cast it will choke the compiler:
2176 * if you do have a cast then you can either go for (int *) or
2179 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2181 * Under Windows/DOS we make the assumption that we can always
2182 * write to the tty: therefore if we need to write to the tty we
2183 * just fall through. Otherwise we timeout the select every
2184 * second and see if there are any keypresses. Note: this is a
2185 * hack, in a proper Windows application we wouldn't do this.
2192 i = select(width, (void *)&readfds, (void *)&writefds,
2194 if (!i && (!has_stdin_waiting() || !read_tty))
2197 i = select(width, (void *)&readfds, (void *)&writefds,
2201 i = select(width, (void *)&readfds, (void *)&writefds,
2205 BIO_printf(bio_err, "bad select %d\n",
2206 get_last_socket_error());
2212 if ((SSL_version(con) == DTLS1_VERSION)
2213 && DTLSv1_handle_timeout(con) > 0) {
2214 BIO_printf(bio_err, "TIMEOUT occurred\n");
2217 if (!ssl_pending && FD_ISSET(SSL_get_fd(con), &writefds)) {
2218 k = SSL_write(con, &(cbuf[cbuf_off]), (unsigned int)cbuf_len);
2219 switch (SSL_get_error(con, k)) {
2220 case SSL_ERROR_NONE:
2225 /* we have done a write(con,NULL,0); */
2226 if (cbuf_len <= 0) {
2229 } else { /* if (cbuf_len > 0) */
2235 case SSL_ERROR_WANT_WRITE:
2236 BIO_printf(bio_c_out, "write W BLOCK\n");
2240 case SSL_ERROR_WANT_ASYNC:
2241 BIO_printf(bio_c_out, "write A BLOCK\n");
2242 wait_for_async(con);
2246 case SSL_ERROR_WANT_READ:
2247 BIO_printf(bio_c_out, "write R BLOCK\n");
2252 case SSL_ERROR_WANT_X509_LOOKUP:
2253 BIO_printf(bio_c_out, "write X BLOCK\n");
2255 case SSL_ERROR_ZERO_RETURN:
2256 if (cbuf_len != 0) {
2257 BIO_printf(bio_c_out, "shutdown\n");
2266 case SSL_ERROR_SYSCALL:
2267 if ((k != 0) || (cbuf_len != 0)) {
2268 BIO_printf(bio_err, "write:errno=%d\n",
2269 get_last_socket_error());
2276 case SSL_ERROR_WANT_ASYNC_JOB:
2277 /* This shouldn't ever happen in s_client - treat as an error */
2279 ERR_print_errors(bio_err);
2283 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2284 /* Assume Windows/DOS/BeOS can always write */
2285 else if (!ssl_pending && write_tty)
2287 else if (!ssl_pending && FD_ISSET(fileno(stdout), &writefds))
2290 #ifdef CHARSET_EBCDIC
2291 ascii2ebcdic(&(sbuf[sbuf_off]), &(sbuf[sbuf_off]), sbuf_len);
2293 i = raw_write_stdout(&(sbuf[sbuf_off]), sbuf_len);
2296 BIO_printf(bio_c_out, "DONE\n");
2304 if (sbuf_len <= 0) {
2308 } else if (ssl_pending || FD_ISSET(SSL_get_fd(con), &readfds)) {
2313 SSL_renegotiate(con);
2318 k = SSL_read(con, sbuf, 1024 /* BUFSIZZ */ );
2320 switch (SSL_get_error(con, k)) {
2321 case SSL_ERROR_NONE:
2330 case SSL_ERROR_WANT_ASYNC:
2331 BIO_printf(bio_c_out, "read A BLOCK\n");
2332 wait_for_async(con);
2335 if ((read_tty == 0) && (write_ssl == 0))
2338 case SSL_ERROR_WANT_WRITE:
2339 BIO_printf(bio_c_out, "read W BLOCK\n");
2343 case SSL_ERROR_WANT_READ:
2344 BIO_printf(bio_c_out, "read R BLOCK\n");
2347 if ((read_tty == 0) && (write_ssl == 0))
2350 case SSL_ERROR_WANT_X509_LOOKUP:
2351 BIO_printf(bio_c_out, "read X BLOCK\n");
2353 case SSL_ERROR_SYSCALL:
2354 ret = get_last_socket_error();
2356 BIO_puts(bio_err, "CONNECTION CLOSED BY SERVER\n");
2358 BIO_printf(bio_err, "read:errno=%d\n", ret);
2360 case SSL_ERROR_ZERO_RETURN:
2361 BIO_printf(bio_c_out, "closed\n");
2364 case SSL_ERROR_WANT_ASYNC_JOB:
2365 /* This shouldn't ever happen in s_client. Treat as an error */
2367 ERR_print_errors(bio_err);
2372 /* OPENSSL_SYS_MSDOS includes OPENSSL_SYS_WINDOWS */
2373 #if defined(OPENSSL_SYS_MSDOS)
2374 else if (has_stdin_waiting())
2376 else if (FD_ISSET(fileno(stdin), &readfds))
2382 i = raw_read_stdin(cbuf, BUFSIZZ / 2);
2384 /* both loops are skipped when i <= 0 */
2385 for (j = 0; j < i; j++)
2386 if (cbuf[j] == '\n')
2388 for (j = i - 1; j >= 0; j--) {
2389 cbuf[j + lf_num] = cbuf[j];
2390 if (cbuf[j] == '\n') {
2393 cbuf[j + lf_num] = '\r';
2396 assert(lf_num == 0);
2398 i = raw_read_stdin(cbuf, BUFSIZZ);
2403 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q' && cmdletters))) {
2404 BIO_printf(bio_err, "DONE\n");
2409 if ((!c_ign_eof) && (cbuf[0] == 'R' && cmdletters)) {
2410 BIO_printf(bio_err, "RENEGOTIATING\n");
2411 SSL_renegotiate(con);
2414 #ifndef OPENSSL_NO_HEARTBEATS
2415 else if ((!c_ign_eof) && (cbuf[0] == 'B' && cmdletters)) {
2416 BIO_printf(bio_err, "HEARTBEATING\n");
2424 #ifdef CHARSET_EBCDIC
2425 ebcdic2ascii(cbuf, cbuf, i);
2437 print_stuff(bio_c_out, con, full_log);
2438 do_ssl_shutdown(con);
2439 #if defined(OPENSSL_SYS_WINDOWS)
2441 * Give the socket time to send its last data before we close it.
2442 * No amount of setting SO_LINGER etc on the socket seems to persuade
2443 * Windows to send the data before closing the socket...but sleeping
2444 * for a short time seems to do it (units in ms)
2445 * TODO: Find a better way to do this
2449 BIO_closesocket(SSL_get_fd(con));
2453 print_stuff(bio_c_out, con, 1);
2456 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2457 OPENSSL_free(next_proto.data);
2461 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2463 sk_X509_pop_free(chain, X509_free);
2465 #ifndef OPENSSL_NO_SRP
2466 OPENSSL_free(srp_arg.srppassin);
2470 X509_VERIFY_PARAM_free(vpm);
2471 ssl_excert_free(exc);
2472 sk_OPENSSL_STRING_free(ssl_args);
2473 sk_OPENSSL_STRING_free(dane_tlsa_rrset);
2474 SSL_CONF_CTX_free(cctx);
2475 OPENSSL_clear_free(cbuf, BUFSIZZ);
2476 OPENSSL_clear_free(sbuf, BUFSIZZ);
2477 OPENSSL_clear_free(mbuf, BUFSIZZ);
2478 BIO_free(bio_c_out);
2480 BIO_free(bio_c_msg);
2485 static void print_stuff(BIO *bio, SSL *s, int full)
2490 STACK_OF(X509_NAME) *sk2;
2491 const SSL_CIPHER *c;
2494 #ifndef OPENSSL_NO_COMP
2495 const COMP_METHOD *comp, *expansion;
2497 unsigned char *exportedkeymat;
2498 #ifndef OPENSSL_NO_CT
2499 const SSL_CTX *ctx = SSL_get_SSL_CTX(s);
2503 int got_a_chain = 0;
2505 sk = SSL_get_peer_cert_chain(s);
2509 BIO_printf(bio, "---\nCertificate chain\n");
2510 for (i = 0; i < sk_X509_num(sk); i++) {
2511 X509_NAME_oneline(X509_get_subject_name(sk_X509_value(sk, i)),
2513 BIO_printf(bio, "%2d s:%s\n", i, buf);
2514 X509_NAME_oneline(X509_get_issuer_name(sk_X509_value(sk, i)),
2516 BIO_printf(bio, " i:%s\n", buf);
2518 PEM_write_bio_X509(bio, sk_X509_value(sk, i));
2522 BIO_printf(bio, "---\n");
2523 peer = SSL_get_peer_certificate(s);
2525 BIO_printf(bio, "Server certificate\n");
2527 /* Redundant if we showed the whole chain */
2528 if (!(c_showcerts && got_a_chain))
2529 PEM_write_bio_X509(bio, peer);
2530 X509_NAME_oneline(X509_get_subject_name(peer), buf, sizeof buf);
2531 BIO_printf(bio, "subject=%s\n", buf);
2532 X509_NAME_oneline(X509_get_issuer_name(peer), buf, sizeof buf);
2533 BIO_printf(bio, "issuer=%s\n", buf);
2535 BIO_printf(bio, "no peer certificate available\n");
2537 sk2 = SSL_get_client_CA_list(s);
2538 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0)) {
2539 BIO_printf(bio, "---\nAcceptable client certificate CA names\n");
2540 for (i = 0; i < sk_X509_NAME_num(sk2); i++) {
2541 xn = sk_X509_NAME_value(sk2, i);
2542 X509_NAME_oneline(xn, buf, sizeof(buf));
2543 BIO_write(bio, buf, strlen(buf));
2544 BIO_write(bio, "\n", 1);
2547 BIO_printf(bio, "---\nNo client certificate CA names sent\n");
2550 ssl_print_sigalgs(bio, s);
2551 ssl_print_tmp_key(bio, s);
2553 #ifndef OPENSSL_NO_CT
2555 * When the SSL session is anonymous, or resumed via an abbreviated
2556 * handshake, no SCTs are provided as part of the handshake. While in
2557 * a resumed session SCTs may be present in the session's certificate,
2558 * no callbacks are invoked to revalidate these, and in any case that
2559 * set of SCTs may be incomplete. Thus it makes little sense to
2560 * attempt to display SCTs from a resumed session's certificate, and of
2561 * course none are associated with an anonymous peer.
2563 if (peer != NULL && !SSL_session_reused(s) && SSL_ct_is_enabled(s)) {
2564 const STACK_OF(SCT) *scts = SSL_get0_peer_scts(s);
2565 int sct_count = scts != NULL ? sk_SCT_num(scts) : 0;
2567 BIO_printf(bio, "---\nSCTs present (%i)\n", sct_count);
2568 if (sct_count > 0) {
2569 const CTLOG_STORE *log_store = SSL_CTX_get0_ctlog_store(ctx);
2571 BIO_printf(bio, "---\n");
2572 for (i = 0; i < sct_count; ++i) {
2573 SCT *sct = sk_SCT_value(scts, i);
2575 BIO_printf(bio, "SCT validation status: %s\n",
2576 SCT_validation_status_string(sct));
2577 SCT_print(sct, bio, 0, log_store);
2578 if (i < sct_count - 1)
2579 BIO_printf(bio, "\n---\n");
2581 BIO_printf(bio, "\n");
2587 "---\nSSL handshake has read %"PRIu64" bytes and written %"PRIu64" bytes\n",
2588 BIO_number_read(SSL_get_rbio(s)),
2589 BIO_number_written(SSL_get_wbio(s)));
2591 print_verify_detail(s, bio);
2592 BIO_printf(bio, (SSL_session_reused(s) ? "---\nReused, " : "---\nNew, "));
2593 c = SSL_get_current_cipher(s);
2594 BIO_printf(bio, "%s, Cipher is %s\n",
2595 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
2599 pktmp = X509_get0_pubkey(peer);
2600 BIO_printf(bio, "Server public key is %d bit\n",
2601 EVP_PKEY_bits(pktmp));
2603 BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
2604 SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
2605 #ifndef OPENSSL_NO_COMP
2606 comp = SSL_get_current_compression(s);
2607 expansion = SSL_get_current_expansion(s);
2608 BIO_printf(bio, "Compression: %s\n",
2609 comp ? SSL_COMP_get_name(comp) : "NONE");
2610 BIO_printf(bio, "Expansion: %s\n",
2611 expansion ? SSL_COMP_get_name(expansion) : "NONE");
2616 /* Print out local port of connection: useful for debugging */
2618 union BIO_sock_info_u info;
2620 sock = SSL_get_fd(s);
2621 if ((info.addr = BIO_ADDR_new()) != NULL
2622 && BIO_sock_info(sock, BIO_SOCK_INFO_ADDRESS, &info)) {
2623 BIO_printf(bio_c_out, "LOCAL PORT is %u\n",
2624 ntohs(BIO_ADDR_rawport(info.adr)));
2626 BIO_ADDR_free(info.addr);
2630 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2631 if (next_proto.status != -1) {
2632 const unsigned char *proto;
2633 unsigned int proto_len;
2634 SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
2635 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
2636 BIO_write(bio, proto, proto_len);
2637 BIO_write(bio, "\n", 1);
2641 const unsigned char *proto;
2642 unsigned int proto_len;
2643 SSL_get0_alpn_selected(s, &proto, &proto_len);
2644 if (proto_len > 0) {
2645 BIO_printf(bio, "ALPN protocol: ");
2646 BIO_write(bio, proto, proto_len);
2647 BIO_write(bio, "\n", 1);
2649 BIO_printf(bio, "No ALPN negotiated\n");
2652 #ifndef OPENSSL_NO_SRTP
2654 SRTP_PROTECTION_PROFILE *srtp_profile =
2655 SSL_get_selected_srtp_profile(s);
2658 BIO_printf(bio, "SRTP Extension negotiated, profile=%s\n",
2659 srtp_profile->name);
2663 SSL_SESSION_print(bio, SSL_get_session(s));
2664 if ((SSL_get_session(s) != NULL) &&
2665 (keymatexportlabel != NULL)) {
2666 BIO_printf(bio, "Keying material exporter:\n");
2667 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel);
2668 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen);
2669 exportedkeymat = app_malloc(keymatexportlen, "export key");
2670 if (!SSL_export_keying_material(s, exportedkeymat,
2673 strlen(keymatexportlabel),
2675 BIO_printf(bio, " Error\n");
2677 BIO_printf(bio, " Keying material: ");
2678 for (i = 0; i < keymatexportlen; i++)
2679 BIO_printf(bio, "%02X", exportedkeymat[i]);
2680 BIO_printf(bio, "\n");
2682 OPENSSL_free(exportedkeymat);
2684 BIO_printf(bio, "---\n");
2686 /* flush, or debugging output gets mixed with http response */
2687 (void)BIO_flush(bio);
2690 # ifndef OPENSSL_NO_OCSP
2691 static int ocsp_resp_cb(SSL *s, void *arg)
2693 const unsigned char *p;
2696 len = SSL_get_tlsext_status_ocsp_resp(s, &p);
2697 BIO_puts(arg, "OCSP response: ");
2699 BIO_puts(arg, "no response sent\n");
2702 rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
2704 BIO_puts(arg, "response parse error\n");
2705 BIO_dump_indent(arg, (char *)p, len, 4);
2708 BIO_puts(arg, "\n======================================\n");
2709 OCSP_RESPONSE_print(arg, rsp, 0);
2710 BIO_puts(arg, "======================================\n");
2711 OCSP_RESPONSE_free(rsp);
2716 #endif /* OPENSSL_NO_SOCK */