2 * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the OpenSSL license (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
10 /* ====================================================================
11 * Copyright 2005 Nokia. All rights reserved.
13 * The portions of the attached software ("Contribution") is developed by
14 * Nokia Corporation and is licensed pursuant to the OpenSSL open source
17 * The Contribution, originally written by Mika Kousa and Pasi Eronen of
18 * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
19 * support (see RFC 4279) to OpenSSL.
21 * No patent licenses or other rights except those expressly stated in
22 * the OpenSSL open source license shall be deemed granted or received
23 * expressly, by implication, estoppel, or otherwise.
25 * No assurances are provided by Nokia that the Contribution does not
26 * infringe the patent or other intellectual property rights of any third
27 * party or that the license provides you with all the necessary rights
28 * to make use of the Contribution.
30 * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
31 * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
32 * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
33 * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
42 #include <openssl/e_os2.h>
44 #ifndef OPENSSL_NO_SOCK
47 * With IPv6, it looks like Digital has mixed up the proper order of
48 * recursive header file inclusion, resulting in the compiler complaining
49 * that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which is
50 * needed to have fileno() declared correctly... So let's define u_int
52 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
54 typedef unsigned int u_int;
59 #include <openssl/x509.h>
60 #include <openssl/ssl.h>
61 #include <openssl/err.h>
62 #include <openssl/pem.h>
63 #include <openssl/rand.h>
64 #include <openssl/ocsp.h>
65 #include <openssl/bn.h>
66 #include <openssl/async.h>
67 #ifndef OPENSSL_NO_SRP
68 # include <openssl/srp.h>
71 # include <openssl/ct.h>
76 #if defined(__has_feature)
77 # if __has_feature(memory_sanitizer)
78 # include <sanitizer/msan_interface.h>
83 #define BUFSIZZ 1024*8
84 #define S_CLIENT_IRC_READ_TIMEOUT 8
87 static int c_nbio = 0;
88 static int c_tlsextdebug = 0;
89 static int c_status_req = 0;
90 static int c_debug = 0;
92 static int c_showcerts = 0;
93 static char *keymatexportlabel = NULL;
94 static int keymatexportlen = 20;
95 static BIO *bio_c_out = NULL;
96 static BIO *bio_c_msg = NULL;
97 static int c_quiet = 0;
98 static int c_ign_eof = 0;
99 static int c_brief = 0;
101 static void print_stuff(BIO *berr, SSL *con, int full);
102 #ifndef OPENSSL_NO_OCSP
103 static int ocsp_resp_cb(SSL *s, void *arg);
106 static int saved_errno;
108 static void save_errno(void)
114 static int restore_errno(void)
121 static void do_ssl_shutdown(SSL *ssl)
126 /* We only do unidirectional shutdown */
127 ret = SSL_shutdown(ssl);
129 switch (SSL_get_error(ssl, ret)) {
130 case SSL_ERROR_WANT_READ:
131 case SSL_ERROR_WANT_WRITE:
132 case SSL_ERROR_WANT_ASYNC:
133 case SSL_ERROR_WANT_ASYNC_JOB:
134 /* We just do busy waiting. Nothing clever */
143 #ifndef OPENSSL_NO_PSK
144 /* Default PSK identity and key */
145 static char *psk_identity = "Client_identity";
147 * char *psk_key=NULL; by default PSK is not used
150 static unsigned int psk_client_cb(SSL *ssl, const char *hint, char *identity,
151 unsigned int max_identity_len,
153 unsigned int max_psk_len)
160 BIO_printf(bio_c_out, "psk_client_cb\n");
162 /* no ServerKeyExchange message */
164 BIO_printf(bio_c_out,
165 "NULL received PSK identity hint, continuing anyway\n");
167 BIO_printf(bio_c_out, "Received PSK identity hint '%s'\n", hint);
170 * lookup PSK identity and PSK key based on the given identity hint here
172 ret = BIO_snprintf(identity, max_identity_len, "%s", psk_identity);
173 if (ret < 0 || (unsigned int)ret > max_identity_len)
176 BIO_printf(bio_c_out, "created identity '%s' len=%d\n", identity,
179 /* convert the PSK key to binary */
180 key = OPENSSL_hexstr2buf(psk_key, &key_len);
182 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n",
186 if (key_len > max_psk_len) {
188 "psk buffer of callback is too small (%d) for key (%ld)\n",
189 max_psk_len, key_len);
194 memcpy(psk, key, key_len);
198 BIO_printf(bio_c_out, "created PSK len=%ld\n", key_len);
203 BIO_printf(bio_err, "Error in PSK client callback\n");
208 /* This is a context that we pass to callbacks */
209 typedef struct tlsextctx_st {
214 static int ssl_servername_cb(SSL *s, int *ad, void *arg)
216 tlsextctx *p = (tlsextctx *) arg;
217 const char *hn = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
218 if (SSL_get_servername_type(s) != -1)
219 p->ack = !SSL_session_reused(s) && hn != NULL;
221 BIO_printf(bio_err, "Can't use SSL_get_servername\n");
223 return SSL_TLSEXT_ERR_OK;
226 #ifndef OPENSSL_NO_SRP
228 /* This is a context that we pass to all callbacks */
229 typedef struct srp_arg_st {
232 int msg; /* copy from c_msg */
233 int debug; /* copy from c_debug */
234 int amp; /* allow more groups */
235 int strength; /* minimal size for N */
238 # define SRP_NUMBER_ITERATIONS_FOR_PRIME 64
240 static int srp_Verify_N_and_g(const BIGNUM *N, const BIGNUM *g)
242 BN_CTX *bn_ctx = BN_CTX_new();
243 BIGNUM *p = BN_new();
244 BIGNUM *r = BN_new();
246 g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) &&
247 BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) == 1 &&
248 p != NULL && BN_rshift1(p, N) &&
250 BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) == 1 &&
252 /* verify g^((N-1)/2) == -1 (mod N) */
253 BN_mod_exp(r, g, p, N, bn_ctx) &&
254 BN_add_word(r, 1) && BN_cmp(r, N) == 0;
263 * This callback is used here for two purposes:
264 * - extended debugging
265 * - making some primality tests for unknown groups
266 * The callback is only called for a non default group.
268 * An application does not need the call back at all if
269 * only the standard groups are used. In real life situations,
270 * client and server already share well known groups,
271 * thus there is no need to verify them.
272 * Furthermore, in case that a server actually proposes a group that
273 * is not one of those defined in RFC 5054, it is more appropriate
274 * to add the group to a static list and then compare since
275 * primality tests are rather cpu consuming.
278 static int ssl_srp_verify_param_cb(SSL *s, void *arg)
280 SRP_ARG *srp_arg = (SRP_ARG *)arg;
281 BIGNUM *N = NULL, *g = NULL;
283 if (((N = SSL_get_srp_N(s)) == NULL) || ((g = SSL_get_srp_g(s)) == NULL))
285 if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1) {
286 BIO_printf(bio_err, "SRP parameters:\n");
287 BIO_printf(bio_err, "\tN=");
288 BN_print(bio_err, N);
289 BIO_printf(bio_err, "\n\tg=");
290 BN_print(bio_err, g);
291 BIO_printf(bio_err, "\n");
294 if (SRP_check_known_gN_param(g, N))
297 if (srp_arg->amp == 1) {
300 "SRP param N and g are not known params, going to check deeper.\n");
303 * The srp_moregroups is a real debugging feature. Implementors
304 * should rather add the value to the known ones. The minimal size
305 * has already been tested.
307 if (BN_num_bits(g) <= BN_BITS && srp_Verify_N_and_g(N, g))
310 BIO_printf(bio_err, "SRP param N and g rejected.\n");
314 # define PWD_STRLEN 1024
316 static char *ssl_give_srp_client_pwd_cb(SSL *s, void *arg)
318 SRP_ARG *srp_arg = (SRP_ARG *)arg;
319 char *pass = app_malloc(PWD_STRLEN + 1, "SRP password buffer");
323 cb_tmp.password = (char *)srp_arg->srppassin;
324 cb_tmp.prompt_info = "SRP user";
325 if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp)) < 0) {
326 BIO_printf(bio_err, "Can't read Password\n");
337 static char *srtp_profiles = NULL;
339 #ifndef OPENSSL_NO_NEXTPROTONEG
340 /* This the context that we pass to next_proto_cb */
341 typedef struct tlsextnextprotoctx_st {
345 } tlsextnextprotoctx;
347 static tlsextnextprotoctx next_proto;
349 static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen,
350 const unsigned char *in, unsigned int inlen,
353 tlsextnextprotoctx *ctx = arg;
356 /* We can assume that |in| is syntactically valid. */
358 BIO_printf(bio_c_out, "Protocols advertised by server: ");
359 for (i = 0; i < inlen;) {
361 BIO_write(bio_c_out, ", ", 2);
362 BIO_write(bio_c_out, &in[i + 1], in[i]);
365 BIO_write(bio_c_out, "\n", 1);
369 SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len);
370 return SSL_TLSEXT_ERR_OK;
372 #endif /* ndef OPENSSL_NO_NEXTPROTONEG */
374 static int serverinfo_cli_parse_cb(SSL *s, unsigned int ext_type,
375 const unsigned char *in, size_t inlen,
379 unsigned char ext_buf[4 + 65536];
381 /* Reconstruct the type/len fields prior to extension data */
382 ext_buf[0] = ext_type >> 8;
383 ext_buf[1] = ext_type & 0xFF;
384 ext_buf[2] = inlen >> 8;
385 ext_buf[3] = inlen & 0xFF;
386 memcpy(ext_buf + 4, in, inlen);
388 BIO_snprintf(pem_name, sizeof(pem_name), "SERVERINFO FOR EXTENSION %d",
390 PEM_write_bio(bio_c_out, pem_name, "", ext_buf, 4 + inlen);
395 * Hex decoder that tolerates optional whitespace. Returns number of bytes
396 * produced, advances inptr to end of input string.
398 static ossl_ssize_t hexdecode(const char **inptr, void *result)
400 unsigned char **out = (unsigned char **)result;
401 const char *in = *inptr;
402 unsigned char *ret = app_malloc(strlen(in)/2, "hexdecode");
403 unsigned char *cp = ret;
410 for (byte = 0; *in; ++in) {
413 if (isspace(_UC(*in)))
415 x = OPENSSL_hexchar2int(*in);
421 if ((nibble ^= 1) == 0) {
434 return cp - (*out = ret);
438 * Decode unsigned 0..255, returns 1 on success, <= 0 on failure. Advances
439 * inptr to next field skipping leading whitespace.
441 static ossl_ssize_t checked_uint8(const char **inptr, void *out)
443 uint8_t *result = (uint8_t *)out;
444 const char *in = *inptr;
450 v = strtol(in, &endp, 10);
453 if (((v == LONG_MIN || v == LONG_MAX) && e == ERANGE) ||
454 endp == in || !isspace(_UC(*endp)) ||
455 v != (*result = (uint8_t) v)) {
458 for (in = endp; isspace(_UC(*in)); ++in)
468 ossl_ssize_t (*parser)(const char **, void *);
471 static int tlsa_import_rr(SSL *con, const char *rrdata)
473 /* Not necessary to re-init these values; the "parsers" do that. */
474 static uint8_t usage;
475 static uint8_t selector;
476 static uint8_t mtype;
477 static unsigned char *data;
478 static struct tlsa_field tlsa_fields[] = {
479 { &usage, "usage", checked_uint8 },
480 { &selector, "selector", checked_uint8 },
481 { &mtype, "mtype", checked_uint8 },
482 { &data, "data", hexdecode },
485 struct tlsa_field *f;
487 const char *cp = rrdata;
488 ossl_ssize_t len = 0;
490 for (f = tlsa_fields; f->var; ++f) {
491 /* Returns number of bytes produced, advances cp to next field */
492 if ((len = f->parser(&cp, f->var)) <= 0) {
493 BIO_printf(bio_err, "%s: warning: bad TLSA %s field in: %s\n",
494 prog, f->name, rrdata);
498 /* The data field is last, so len is its length */
499 ret = SSL_dane_tlsa_add(con, usage, selector, mtype, data, len);
503 ERR_print_errors(bio_err);
504 BIO_printf(bio_err, "%s: warning: unusable TLSA rrdata: %s\n",
509 ERR_print_errors(bio_err);
510 BIO_printf(bio_err, "%s: warning: error loading TLSA rrdata: %s\n",
517 static int tlsa_import_rrset(SSL *con, STACK_OF(OPENSSL_STRING) *rrset)
519 int num = sk_OPENSSL_STRING_num(rrset);
523 for (i = 0; i < num; ++i) {
524 char *rrdata = sk_OPENSSL_STRING_value(rrset, i);
525 if (tlsa_import_rr(con, rrdata) > 0)
531 typedef enum OPTION_choice {
532 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
533 OPT_4, OPT_6, OPT_HOST, OPT_PORT, OPT_CONNECT, OPT_UNIX,
534 OPT_XMPPHOST, OPT_VERIFY,
535 OPT_CERT, OPT_CRL, OPT_CRL_DOWNLOAD, OPT_SESS_OUT, OPT_SESS_IN,
536 OPT_CERTFORM, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET,
537 OPT_BRIEF, OPT_PREXIT, OPT_CRLF, OPT_QUIET, OPT_NBIO,
538 OPT_SSL_CLIENT_ENGINE, OPT_RAND, OPT_IGN_EOF, OPT_NO_IGN_EOF,
539 OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_WDEBUG,
540 OPT_MSG, OPT_MSGFILE, OPT_ENGINE, OPT_TRACE, OPT_SECURITY_DEBUG,
541 OPT_SECURITY_DEBUG_VERBOSE, OPT_SHOWCERTS, OPT_NBIO_TEST, OPT_STATE,
542 #ifndef OPENSSL_NO_PSK
543 OPT_PSK_IDENTITY, OPT_PSK,
545 #ifndef OPENSSL_NO_SRP
546 OPT_SRPUSER, OPT_SRPPASS, OPT_SRP_STRENGTH, OPT_SRP_LATEUSER,
549 OPT_SSL3, OPT_SSL_CONFIG,
550 OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1,
551 OPT_DTLS1_2, OPT_TIMEOUT, OPT_MTU, OPT_KEYFORM, OPT_PASS,
552 OPT_CERT_CHAIN, OPT_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH,
553 OPT_KEY, OPT_RECONNECT, OPT_BUILD_CHAIN, OPT_CAFILE, OPT_NOCAFILE,
554 OPT_CHAINCAFILE, OPT_VERIFYCAFILE, OPT_NEXTPROTONEG, OPT_ALPN,
555 OPT_SERVERINFO, OPT_STARTTLS, OPT_SERVERNAME,
556 OPT_USE_SRTP, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN, OPT_SMTPHOST,
557 OPT_ASYNC, OPT_SPLIT_SEND_FRAG, OPT_MAX_PIPELINES, OPT_READ_BUF,
561 OPT_FALLBACKSCSV, OPT_NOCMDS, OPT_PROXY, OPT_DANE_TLSA_DOMAIN,
562 #ifndef OPENSSL_NO_CT
563 OPT_CT, OPT_NOCT, OPT_CTLOG_FILE,
568 OPTIONS s_client_options[] = {
569 {"help", OPT_HELP, '-', "Display this summary"},
570 {"host", OPT_HOST, 's', "Use -connect instead"},
571 {"port", OPT_PORT, 'p', "Use -connect instead"},
572 {"connect", OPT_CONNECT, 's',
573 "TCP/IP where to connect (default is :" PORT ")"},
574 {"proxy", OPT_PROXY, 's',
575 "Connect to via specified proxy to the real server"},
577 {"unix", OPT_UNIX, 's', "Connect over unix domain sockets"},
579 {"4", OPT_4, '-', "Use IPv4 only"},
581 {"6", OPT_6, '-', "Use IPv6 only"},
583 {"verify", OPT_VERIFY, 'p', "Turn on peer certificate verification"},
584 {"cert", OPT_CERT, '<', "Certificate file to use, PEM format assumed"},
585 {"certform", OPT_CERTFORM, 'F',
586 "Certificate format (PEM or DER) PEM default"},
587 {"key", OPT_KEY, '<', "Private key file to use, if not in -cert file"},
588 {"keyform", OPT_KEYFORM, 'F', "Key format (PEM or DER) PEM default"},
589 {"pass", OPT_PASS, 's', "Private key file pass phrase source"},
590 {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
591 {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
592 {"no-CAfile", OPT_NOCAFILE, '-',
593 "Do not load the default certificates file"},
594 {"no-CApath", OPT_NOCAPATH, '-',
595 "Do not load certificates from the default certificates directory"},
596 {"dane_tlsa_domain", OPT_DANE_TLSA_DOMAIN, 's', "DANE TLSA base domain"},
597 {"dane_tlsa_rrdata", OPT_DANE_TLSA_RRDATA, 's',
598 "DANE TLSA rrdata presentation form"},
599 {"reconnect", OPT_RECONNECT, '-',
600 "Drop and re-make the connection with the same Session-ID"},
601 {"showcerts", OPT_SHOWCERTS, '-', "Show all certificates in the chain"},
602 {"debug", OPT_DEBUG, '-', "Extra output"},
603 {"msg", OPT_MSG, '-', "Show protocol messages"},
604 {"msgfile", OPT_MSGFILE, '>',
605 "File to send output of -msg or -trace, instead of stdout"},
606 {"nbio_test", OPT_NBIO_TEST, '-', "More ssl protocol testing"},
607 {"state", OPT_STATE, '-', "Print the ssl states"},
608 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"},
609 {"quiet", OPT_QUIET, '-', "No s_client output"},
610 {"ign_eof", OPT_IGN_EOF, '-', "Ignore input eof (default when -quiet)"},
611 {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Don't ignore input eof"},
612 {"starttls", OPT_STARTTLS, 's',
613 "Use the appropriate STARTTLS command before starting TLS"},
614 {"xmpphost", OPT_XMPPHOST, 's',
615 "Host to use with \"-starttls xmpp[-server]\""},
616 {"rand", OPT_RAND, 's',
617 "Load the file(s) into the random number generator"},
618 {"sess_out", OPT_SESS_OUT, '>', "File to write SSL session to"},
619 {"sess_in", OPT_SESS_IN, '<', "File to read SSL session from"},
620 {"use_srtp", OPT_USE_SRTP, 's',
621 "Offer SRTP key management with a colon-separated profile list"},
622 {"keymatexport", OPT_KEYMATEXPORT, 's',
623 "Export keying material using label"},
624 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
625 "Export len bytes of keying material (default 20)"},
626 {"fallback_scsv", OPT_FALLBACKSCSV, '-', "Send the fallback SCSV"},
627 {"name", OPT_SMTPHOST, 's', "Hostname to use for \"-starttls smtp\""},
628 {"CRL", OPT_CRL, '<', "CRL file to use"},
629 {"crl_download", OPT_CRL_DOWNLOAD, '-', "Download CRL from distribution points"},
630 {"CRLform", OPT_CRLFORM, 'F', "CRL format (PEM or DER) PEM is default"},
631 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-',
632 "Close connection on verification error"},
633 {"verify_quiet", OPT_VERIFY_QUIET, '-', "Restrict verify output to errors"},
634 {"brief", OPT_BRIEF, '-',
635 "Restrict output to brief summary of connection parameters"},
636 {"prexit", OPT_PREXIT, '-',
637 "Print session information when the program exits"},
638 {"security_debug", OPT_SECURITY_DEBUG, '-',
639 "Enable security debug messages"},
640 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-',
641 "Output more security debug output"},
642 {"cert_chain", OPT_CERT_CHAIN, '<',
643 "Certificate chain file (in PEM format)"},
644 {"chainCApath", OPT_CHAINCAPATH, '/',
645 "Use dir as certificate store path to build CA certificate chain"},
646 {"verifyCApath", OPT_VERIFYCAPATH, '/',
647 "Use dir as certificate store path to verify CA certificate"},
648 {"build_chain", OPT_BUILD_CHAIN, '-', "Build certificate chain"},
649 {"chainCAfile", OPT_CHAINCAFILE, '<',
650 "CA file for certificate chain (PEM format)"},
651 {"verifyCAfile", OPT_VERIFYCAFILE, '<',
652 "CA file for certificate verification (PEM format)"},
653 {"nocommands", OPT_NOCMDS, '-', "Do not use interactive command letters"},
654 {"servername", OPT_SERVERNAME, 's',
655 "Set TLS extension servername in ClientHello"},
656 {"tlsextdebug", OPT_TLSEXTDEBUG, '-',
657 "Hex dump of all TLS extensions received"},
658 #ifndef OPENSSL_NO_OCSP
659 {"status", OPT_STATUS, '-', "Request certificate status from server"},
661 {"serverinfo", OPT_SERVERINFO, 's',
662 "types Send empty ClientHello extensions (comma-separated numbers)"},
663 {"alpn", OPT_ALPN, 's',
664 "Enable ALPN extension, considering named protocols supported (comma-separated list)"},
665 {"async", OPT_ASYNC, '-', "Support asynchronous operation"},
666 {"ssl_config", OPT_SSL_CONFIG, 's', "Use specified configuration file"},
667 {"split_send_frag", OPT_SPLIT_SEND_FRAG, 'n',
668 "Size used to split data for encrypt pipelines"},
669 {"max_pipelines", OPT_MAX_PIPELINES, 'n',
670 "Maximum number of encrypt/decrypt pipelines to be used"},
671 {"read_buf", OPT_READ_BUF, 'n',
672 "Default read buffer size to be used for connections"},
676 #ifndef OPENSSL_NO_SSL3
677 {"ssl3", OPT_SSL3, '-', "Just use SSLv3"},
679 #ifndef OPENSSL_NO_TLS1
680 {"tls1", OPT_TLS1, '-', "Just use TLSv1"},
682 #ifndef OPENSSL_NO_TLS1_1
683 {"tls1_1", OPT_TLS1_1, '-', "Just use TLSv1.1"},
685 #ifndef OPENSSL_NO_TLS1_2
686 {"tls1_2", OPT_TLS1_2, '-', "Just use TLSv1.2"},
688 #ifndef OPENSSL_NO_DTLS
689 {"dtls", OPT_DTLS, '-', "Use any version of DTLS"},
690 {"timeout", OPT_TIMEOUT, '-',
691 "Enable send/receive timeout on DTLS connections"},
692 {"mtu", OPT_MTU, 'p', "Set the link layer MTU"},
694 #ifndef OPENSSL_NO_DTLS1
695 {"dtls1", OPT_DTLS1, '-', "Just use DTLSv1"},
697 #ifndef OPENSSL_NO_DTLS1_2
698 {"dtls1_2", OPT_DTLS1_2, '-', "Just use DTLSv1.2"},
700 #ifndef OPENSSL_NO_SSL_TRACE
701 {"trace", OPT_TRACE, '-', "Show trace output of protocol messages"},
704 {"wdebug", OPT_WDEBUG, '-', "WATT-32 tcp debugging"},
706 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"},
707 #ifndef OPENSSL_NO_PSK
708 {"psk_identity", OPT_PSK_IDENTITY, 's', "PSK identity"},
709 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"},
711 #ifndef OPENSSL_NO_SRP
712 {"srpuser", OPT_SRPUSER, 's', "SRP authentication for 'user'"},
713 {"srppass", OPT_SRPPASS, 's', "Password for 'user'"},
714 {"srp_lateuser", OPT_SRP_LATEUSER, '-',
715 "SRP username into second ClientHello message"},
716 {"srp_moregroups", OPT_SRP_MOREGROUPS, '-',
717 "Tolerate other than the known g N values."},
718 {"srp_strength", OPT_SRP_STRENGTH, 'p', "Minimal length in bits for N"},
720 #ifndef OPENSSL_NO_NEXTPROTONEG
721 {"nextprotoneg", OPT_NEXTPROTONEG, 's',
722 "Enable NPN extension, considering named protocols supported (comma-separated list)"},
724 #ifndef OPENSSL_NO_ENGINE
725 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
726 {"ssl_client_engine", OPT_SSL_CLIENT_ENGINE, 's',
727 "Specify engine to be used for client certificate operations"},
729 #ifndef OPENSSL_NO_CT
730 {"ct", OPT_CT, '-', "Request and parse SCTs (also enables OCSP stapling)"},
731 {"noct", OPT_NOCT, '-', "Do not request or parse SCTs (default)"},
732 {"ctlogfile", OPT_CTLOG_FILE, '<', "CT log list CONF file"},
734 {NULL, OPT_EOF, 0x00, NULL}
737 typedef enum PROTOCOL_choice {
750 static const OPT_PAIR services[] = {
751 {"smtp", PROTO_SMTP},
752 {"pop3", PROTO_POP3},
753 {"imap", PROTO_IMAP},
755 {"xmpp", PROTO_XMPP},
756 {"xmpp-server", PROTO_XMPP_SERVER},
757 {"telnet", PROTO_TELNET},
762 #define IS_INET_FLAG(o) \
763 (o == OPT_4 || o == OPT_6 || o == OPT_HOST || o == OPT_PORT || o == OPT_CONNECT)
764 #define IS_UNIX_FLAG(o) (o == OPT_UNIX)
766 #define IS_PROT_FLAG(o) \
767 (o == OPT_SSL3 || o == OPT_TLS1 || o == OPT_TLS1_1 || o == OPT_TLS1_2 \
768 || o == OPT_DTLS || o == OPT_DTLS1 || o == OPT_DTLS1_2)
770 /* Free |*dest| and optionally set it to a copy of |source|. */
771 static void freeandcopy(char **dest, const char *source)
776 *dest = OPENSSL_strdup(source);
779 int s_client_main(int argc, char **argv)
782 EVP_PKEY *key = NULL;
785 STACK_OF(X509) *chain = NULL;
787 X509_VERIFY_PARAM *vpm = NULL;
788 SSL_EXCERT *exc = NULL;
789 SSL_CONF_CTX *cctx = NULL;
790 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
791 char *dane_tlsa_domain = NULL;
792 STACK_OF(OPENSSL_STRING) *dane_tlsa_rrset = NULL;
793 STACK_OF(X509_CRL) *crls = NULL;
794 const SSL_METHOD *meth = TLS_client_method();
795 char *CApath = NULL, *CAfile = NULL, *cbuf = NULL, *sbuf = NULL;
796 char *mbuf = NULL, *proxystr = NULL, *connectstr = NULL;
797 char *cert_file = NULL, *key_file = NULL, *chain_file = NULL;
798 char *chCApath = NULL, *chCAfile = NULL, *host = NULL;
799 char *port = OPENSSL_strdup(PORT);
801 char *passarg = NULL, *pass = NULL, *vfyCApath = NULL, *vfyCAfile = NULL;
802 char *sess_in = NULL, *sess_out = NULL, *crl_file = NULL, *p;
803 char *xmpphost = NULL;
804 const char *ehlo = "mail.example.com";
805 struct timeval timeout, *timeoutp;
806 fd_set readfds, writefds;
807 int noCApath = 0, noCAfile = 0;
808 int build_chain = 0, cbuf_len, cbuf_off, cert_format = FORMAT_PEM;
809 int key_format = FORMAT_PEM, crlf = 0, full_log = 1, mbuf_len = 0;
812 int reconnect = 0, verify = SSL_VERIFY_NONE, vpmtouched = 0;
813 int ret = 1, in_init = 1, i, nbio_test = 0, s = -1, k, width, state = 0;
814 int sbuf_len, sbuf_off, cmdletters = 1;
815 int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM;
816 int starttls_proto = PROTO_OFF, crl_format = FORMAT_PEM, crl_download = 0;
817 int write_tty, read_tty, write_ssl, read_ssl, tty_on, ssl_pending;
819 int read_buf_len = 0;
820 int fallback_scsv = 0;
823 #ifndef OPENSSL_NO_DTLS
824 int enable_timeouts = 0;
827 #ifndef OPENSSL_NO_ENGINE
828 ENGINE *ssl_client_engine = NULL;
831 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
834 char *servername = NULL;
835 const char *alpn_in = NULL;
836 tlsextctx tlsextcbp = { NULL, 0 };
837 const char *ssl_config = NULL;
838 #define MAX_SI_TYPES 100
839 unsigned short serverinfo_types[MAX_SI_TYPES];
840 int serverinfo_count = 0, start = 0, len;
841 #ifndef OPENSSL_NO_NEXTPROTONEG
842 const char *next_proto_neg_in = NULL;
844 #ifndef OPENSSL_NO_SRP
845 char *srppass = NULL;
846 int srp_lateuser = 0;
847 SRP_ARG srp_arg = { NULL, NULL, 0, 0, 0, 1024 };
849 #ifndef OPENSSL_NO_CT
850 char *ctlog_file = NULL;
851 int ct_validation = 0;
853 int min_version = 0, max_version = 0, prot_opt = 0, no_prot_opt = 0;
855 unsigned int split_send_fragment = 0;
856 unsigned int max_pipelines = 0;
857 enum { use_inet, use_unix, use_unknown } connect_type = use_unknown;
862 /* Known false-positive of MemorySanitizer. */
863 #if defined(__has_feature)
864 # if __has_feature(memory_sanitizer)
865 __msan_unpoison(&readfds, sizeof(readfds));
866 __msan_unpoison(&writefds, sizeof(writefds));
870 prog = opt_progname(argv[0]);
877 vpm = X509_VERIFY_PARAM_new();
878 cctx = SSL_CONF_CTX_new();
880 if (vpm == NULL || cctx == NULL) {
881 BIO_printf(bio_err, "%s: out of memory\n", prog);
885 cbuf = app_malloc(BUFSIZZ, "cbuf");
886 sbuf = app_malloc(BUFSIZZ, "sbuf");
887 mbuf = app_malloc(BUFSIZZ, "mbuf");
889 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT | SSL_CONF_FLAG_CMDLINE);
891 prog = opt_init(argc, argv, s_client_options);
892 while ((o = opt_next()) != OPT_EOF) {
893 /* Check for intermixing flags. */
894 if (connect_type == use_unix && IS_INET_FLAG(o)) {
896 "%s: Intermixed protocol flags (unix and internet domains)\n",
900 if (connect_type == use_inet && IS_UNIX_FLAG(o)) {
902 "%s: Intermixed protocol flags (internet and unix domains)\n",
907 if (IS_PROT_FLAG(o) && ++prot_opt > 1) {
908 BIO_printf(bio_err, "Cannot supply multiple protocol flags\n");
911 if (IS_NO_PROT_FLAG(o))
913 if (prot_opt == 1 && no_prot_opt) {
914 BIO_printf(bio_err, "Cannot supply both a protocol flag and "
923 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
926 opt_help(s_client_options);
930 connect_type = use_inet;
931 socket_family = AF_INET;
936 connect_type = use_inet;
937 socket_family = AF_INET6;
942 connect_type = use_inet;
943 freeandcopy(&host, opt_arg());
946 connect_type = use_inet;
947 freeandcopy(&port, opt_arg());
950 connect_type = use_inet;
951 freeandcopy(&connectstr, opt_arg());
954 proxystr = opt_arg();
955 starttls_proto = PROTO_CONNECT;
959 connect_type = use_unix;
960 socket_family = AF_UNIX;
961 freeandcopy(&host, opt_arg());
965 xmpphost = opt_arg();
971 verify = SSL_VERIFY_PEER;
972 verify_args.depth = atoi(opt_arg());
974 BIO_printf(bio_err, "verify depth is %d\n", verify_args.depth);
977 cert_file = opt_arg();
980 crl_file = opt_arg();
982 case OPT_CRL_DOWNLOAD:
986 sess_out = opt_arg();
992 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &cert_format))
996 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
999 case OPT_VERIFY_RET_ERROR:
1000 verify_args.return_error = 1;
1002 case OPT_VERIFY_QUIET:
1003 verify_args.quiet = 1;
1006 c_brief = verify_args.quiet = c_quiet = 1;
1009 if (ssl_args == NULL)
1010 ssl_args = sk_OPENSSL_STRING_new_null();
1011 if (ssl_args == NULL
1012 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
1013 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
1014 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1019 if (!opt_verify(o, vpm))
1024 if (!args_excert(o, &exc))
1034 c_quiet = c_ign_eof = 1;
1043 e = setup_engine(opt_arg(), 1);
1045 case OPT_SSL_CLIENT_ENGINE:
1046 #ifndef OPENSSL_NO_ENGINE
1047 ssl_client_engine = ENGINE_by_id(opt_arg());
1048 if (ssl_client_engine == NULL) {
1049 BIO_printf(bio_err, "Error getting client auth engine\n");
1060 case OPT_NO_IGN_EOF:
1066 case OPT_TLSEXTDEBUG:
1081 bio_c_msg = BIO_new_file(opt_arg(), "w");
1084 #ifndef OPENSSL_NO_SSL_TRACE
1088 case OPT_SECURITY_DEBUG:
1091 case OPT_SECURITY_DEBUG_VERBOSE:
1103 #ifndef OPENSSL_NO_PSK
1104 case OPT_PSK_IDENTITY:
1105 psk_identity = opt_arg();
1108 for (p = psk_key = opt_arg(); *p; p++) {
1109 if (isxdigit(_UC(*p)))
1111 BIO_printf(bio_err, "Not a hex number '%s'\n", psk_key);
1116 #ifndef OPENSSL_NO_SRP
1118 srp_arg.srplogin = opt_arg();
1119 if (min_version < TLS1_VERSION)
1120 min_version = TLS1_VERSION;
1123 srppass = opt_arg();
1124 if (min_version < TLS1_VERSION)
1125 min_version = TLS1_VERSION;
1127 case OPT_SRP_STRENGTH:
1128 srp_arg.strength = atoi(opt_arg());
1129 BIO_printf(bio_err, "SRP minimal length for N is %d\n",
1131 if (min_version < TLS1_VERSION)
1132 min_version = TLS1_VERSION;
1134 case OPT_SRP_LATEUSER:
1136 if (min_version < TLS1_VERSION)
1137 min_version = TLS1_VERSION;
1139 case OPT_SRP_MOREGROUPS:
1141 if (min_version < TLS1_VERSION)
1142 min_version = TLS1_VERSION;
1145 case OPT_SSL_CONFIG:
1146 ssl_config = opt_arg();
1149 min_version = SSL3_VERSION;
1150 max_version = SSL3_VERSION;
1153 min_version = TLS1_2_VERSION;
1154 max_version = TLS1_2_VERSION;
1157 min_version = TLS1_1_VERSION;
1158 max_version = TLS1_1_VERSION;
1161 min_version = TLS1_VERSION;
1162 max_version = TLS1_VERSION;
1165 #ifndef OPENSSL_NO_DTLS
1166 meth = DTLS_client_method();
1167 socket_type = SOCK_DGRAM;
1171 #ifndef OPENSSL_NO_DTLS1
1172 meth = DTLS_client_method();
1173 min_version = DTLS1_VERSION;
1174 max_version = DTLS1_VERSION;
1175 socket_type = SOCK_DGRAM;
1179 #ifndef OPENSSL_NO_DTLS1_2
1180 meth = DTLS_client_method();
1181 min_version = DTLS1_2_VERSION;
1182 max_version = DTLS1_2_VERSION;
1183 socket_type = SOCK_DGRAM;
1187 #ifndef OPENSSL_NO_DTLS
1188 enable_timeouts = 1;
1192 #ifndef OPENSSL_NO_DTLS
1193 socket_mtu = atol(opt_arg());
1196 case OPT_FALLBACKSCSV:
1200 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &key_format))
1204 passarg = opt_arg();
1206 case OPT_CERT_CHAIN:
1207 chain_file = opt_arg();
1210 key_file = opt_arg();
1221 case OPT_CHAINCAPATH:
1222 chCApath = opt_arg();
1224 case OPT_VERIFYCAPATH:
1225 vfyCApath = opt_arg();
1227 case OPT_BUILD_CHAIN:
1236 #ifndef OPENSSL_NO_CT
1243 case OPT_CTLOG_FILE:
1244 ctlog_file = opt_arg();
1247 case OPT_CHAINCAFILE:
1248 chCAfile = opt_arg();
1250 case OPT_VERIFYCAFILE:
1251 vfyCAfile = opt_arg();
1253 case OPT_DANE_TLSA_DOMAIN:
1254 dane_tlsa_domain = opt_arg();
1256 case OPT_DANE_TLSA_RRDATA:
1257 if (dane_tlsa_rrset == NULL)
1258 dane_tlsa_rrset = sk_OPENSSL_STRING_new_null();
1259 if (dane_tlsa_rrset == NULL ||
1260 !sk_OPENSSL_STRING_push(dane_tlsa_rrset, opt_arg())) {
1261 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1265 case OPT_NEXTPROTONEG:
1266 #ifndef OPENSSL_NO_NEXTPROTONEG
1267 next_proto_neg_in = opt_arg();
1271 alpn_in = opt_arg();
1273 case OPT_SERVERINFO:
1276 for (start = 0, i = 0; i <= len; ++i) {
1277 if (i == len || p[i] == ',') {
1278 serverinfo_types[serverinfo_count] = atoi(p + start);
1279 if (++serverinfo_count == MAX_SI_TYPES)
1286 if (!opt_pair(opt_arg(), services, &starttls_proto))
1289 case OPT_SERVERNAME:
1290 servername = opt_arg();
1293 srtp_profiles = opt_arg();
1295 case OPT_KEYMATEXPORT:
1296 keymatexportlabel = opt_arg();
1298 case OPT_KEYMATEXPORTLEN:
1299 keymatexportlen = atoi(opt_arg());
1304 case OPT_SPLIT_SEND_FRAG:
1305 split_send_fragment = atoi(opt_arg());
1306 if (split_send_fragment == 0) {
1308 * Not allowed - set to a deliberately bad value so we get an
1309 * error message below
1311 split_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH + 1;
1314 case OPT_MAX_PIPELINES:
1315 max_pipelines = atoi(opt_arg());
1318 read_buf_len = atoi(opt_arg());
1322 if (count4or6 >= 2) {
1323 BIO_printf(bio_err, "%s: Can't use both -4 and -6\n", prog);
1326 argc = opt_num_rest();
1332 char *tmp_host = host, *tmp_port = port;
1333 if (connectstr == NULL) {
1334 BIO_printf(bio_err, "%s: -proxy requires use of -connect\n", prog);
1337 res = BIO_parse_hostserv(proxystr, &host, &port, BIO_PARSE_PRIO_HOST);
1338 if (tmp_host != host)
1339 OPENSSL_free(tmp_host);
1340 if (tmp_port != port)
1341 OPENSSL_free(tmp_port);
1343 BIO_printf(bio_err, "%s: -proxy argument malformed or ambiguous\n",
1349 char *tmp_host = host, *tmp_port = port;
1350 if (connectstr != NULL)
1351 res = BIO_parse_hostserv(connectstr, &host, &port,
1352 BIO_PARSE_PRIO_HOST);
1353 if (tmp_host != host)
1354 OPENSSL_free(tmp_host);
1355 if (tmp_port != port)
1356 OPENSSL_free(tmp_port);
1359 "%s: -connect argument malformed or ambiguous\n",
1365 if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) {
1367 "Can't use unix sockets and datagrams together\n");
1371 if (split_send_fragment > SSL3_RT_MAX_PLAIN_LENGTH) {
1372 BIO_printf(bio_err, "Bad split send fragment size\n");
1376 if (max_pipelines > SSL_MAX_PIPELINES) {
1377 BIO_printf(bio_err, "Bad max pipelines value\n");
1381 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1382 next_proto.status = -1;
1383 if (next_proto_neg_in) {
1385 next_protos_parse(&next_proto.len, next_proto_neg_in);
1386 if (next_proto.data == NULL) {
1387 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n");
1391 next_proto.data = NULL;
1394 if (!app_passwd(passarg, NULL, &pass, NULL)) {
1395 BIO_printf(bio_err, "Error getting password\n");
1399 if (key_file == NULL)
1400 key_file = cert_file;
1403 key = load_key(key_file, key_format, 0, pass, e,
1404 "client certificate private key file");
1406 ERR_print_errors(bio_err);
1412 cert = load_cert(cert_file, cert_format, "client certificate file");
1414 ERR_print_errors(bio_err);
1420 if (!load_certs(chain_file, &chain, FORMAT_PEM, NULL,
1421 "client certificate chain"))
1427 crl = load_crl(crl_file, crl_format);
1429 BIO_puts(bio_err, "Error loading CRL\n");
1430 ERR_print_errors(bio_err);
1433 crls = sk_X509_CRL_new_null();
1434 if (crls == NULL || !sk_X509_CRL_push(crls, crl)) {
1435 BIO_puts(bio_err, "Error adding CRL\n");
1436 ERR_print_errors(bio_err);
1442 if (!load_excert(&exc))
1445 if (!app_RAND_load_file(NULL, 1) && inrand == NULL
1446 && !RAND_status()) {
1448 "warning, not much extra random data, consider using the -rand option\n");
1450 if (inrand != NULL) {
1451 randamt = app_RAND_load_files(inrand);
1452 BIO_printf(bio_err, "%ld semi-random bytes loaded\n", randamt);
1455 if (bio_c_out == NULL) {
1456 if (c_quiet && !c_debug) {
1457 bio_c_out = BIO_new(BIO_s_null());
1458 if (c_msg && !bio_c_msg)
1459 bio_c_msg = dup_bio_out(FORMAT_TEXT);
1460 } else if (bio_c_out == NULL)
1461 bio_c_out = dup_bio_out(FORMAT_TEXT);
1463 #ifndef OPENSSL_NO_SRP
1464 if (!app_passwd(srppass, NULL, &srp_arg.srppassin, NULL)) {
1465 BIO_printf(bio_err, "Error getting password\n");
1470 ctx = SSL_CTX_new(meth);
1472 ERR_print_errors(bio_err);
1477 ssl_ctx_security_debug(ctx, sdebug);
1480 if (SSL_CTX_config(ctx, ssl_config) == 0) {
1481 BIO_printf(bio_err, "Error using configuration \"%s\"\n",
1483 ERR_print_errors(bio_err);
1488 if (SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
1490 if (SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
1493 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
1494 BIO_printf(bio_err, "Error setting verify params\n");
1495 ERR_print_errors(bio_err);
1500 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
1502 if (split_send_fragment > 0) {
1503 SSL_CTX_set_split_send_fragment(ctx, split_send_fragment);
1505 if (max_pipelines > 0) {
1506 SSL_CTX_set_max_pipelines(ctx, max_pipelines);
1509 if (read_buf_len > 0) {
1510 SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len);
1513 if (!config_ctx(cctx, ssl_args, ctx))
1516 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1517 crls, crl_download)) {
1518 BIO_printf(bio_err, "Error loading store locations\n");
1519 ERR_print_errors(bio_err);
1522 #ifndef OPENSSL_NO_ENGINE
1523 if (ssl_client_engine) {
1524 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine)) {
1525 BIO_puts(bio_err, "Error setting client auth engine\n");
1526 ERR_print_errors(bio_err);
1527 ENGINE_free(ssl_client_engine);
1530 ENGINE_free(ssl_client_engine);
1534 #ifndef OPENSSL_NO_PSK
1535 if (psk_key != NULL) {
1537 BIO_printf(bio_c_out,
1538 "PSK key given, setting client callback\n");
1539 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
1542 #ifndef OPENSSL_NO_SRTP
1543 if (srtp_profiles != NULL) {
1544 /* Returns 0 on success! */
1545 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
1546 BIO_printf(bio_err, "Error setting SRTP profile\n");
1547 ERR_print_errors(bio_err);
1554 ssl_ctx_set_excert(ctx, exc);
1556 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1557 if (next_proto.data)
1558 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
1562 unsigned char *alpn = next_protos_parse(&alpn_len, alpn_in);
1565 BIO_printf(bio_err, "Error parsing -alpn argument\n");
1568 /* Returns 0 on success! */
1569 if (SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len) != 0) {
1570 BIO_printf(bio_err, "Error setting ALPN\n");
1576 for (i = 0; i < serverinfo_count; i++) {
1577 if (!SSL_CTX_add_client_custom_ext(ctx,
1578 serverinfo_types[i],
1580 serverinfo_cli_parse_cb, NULL)) {
1582 "Warning: Unable to add custom extension %u, skipping\n",
1583 serverinfo_types[i]);
1588 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1590 #ifndef OPENSSL_NO_CT
1591 /* Enable SCT processing, without early connection termination */
1592 if (ct_validation &&
1593 !SSL_CTX_enable_ct(ctx, SSL_CT_VALIDATION_PERMISSIVE)) {
1594 ERR_print_errors(bio_err);
1598 if (!ctx_set_ctlog_list_file(ctx, ctlog_file)) {
1599 if (ct_validation) {
1600 ERR_print_errors(bio_err);
1605 * If CT validation is not enabled, the log list isn't needed so don't
1606 * show errors or abort. We try to load it regardless because then we
1607 * can show the names of the logs any SCTs came from (SCTs may be seen
1608 * even with validation disabled).
1614 SSL_CTX_set_verify(ctx, verify, verify_callback);
1616 if (!ctx_set_verify_locations(ctx, CAfile, CApath, noCAfile, noCApath)) {
1617 ERR_print_errors(bio_err);
1621 ssl_ctx_add_crls(ctx, crls, crl_download);
1623 if (!set_cert_key_stuff(ctx, cert, key, chain, build_chain))
1626 if (servername != NULL) {
1627 tlsextcbp.biodebug = bio_err;
1628 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1629 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1631 # ifndef OPENSSL_NO_SRP
1632 if (srp_arg.srplogin) {
1633 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin)) {
1634 BIO_printf(bio_err, "Unable to set SRP username\n");
1637 srp_arg.msg = c_msg;
1638 srp_arg.debug = c_debug;
1639 SSL_CTX_set_srp_cb_arg(ctx, &srp_arg);
1640 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb);
1641 SSL_CTX_set_srp_strength(ctx, srp_arg.strength);
1642 if (c_msg || c_debug || srp_arg.amp == 0)
1643 SSL_CTX_set_srp_verify_param_callback(ctx,
1644 ssl_srp_verify_param_cb);
1648 if (dane_tlsa_domain != NULL) {
1649 if (SSL_CTX_dane_enable(ctx) <= 0) {
1651 "%s: Error enabling DANE TLSA authentication.\n", prog);
1652 ERR_print_errors(bio_err);
1660 BIO *stmp = BIO_new_file(sess_in, "r");
1662 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1663 ERR_print_errors(bio_err);
1666 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1669 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1670 ERR_print_errors(bio_err);
1673 if (!SSL_set_session(con, sess)) {
1674 BIO_printf(bio_err, "Can't set session\n");
1675 ERR_print_errors(bio_err);
1678 SSL_SESSION_free(sess);
1682 SSL_set_mode(con, SSL_MODE_SEND_FALLBACK_SCSV);
1684 if (servername != NULL) {
1685 if (!SSL_set_tlsext_host_name(con, servername)) {
1686 BIO_printf(bio_err, "Unable to set TLS servername extension.\n");
1687 ERR_print_errors(bio_err);
1692 if (dane_tlsa_domain != NULL) {
1693 if (SSL_dane_enable(con, dane_tlsa_domain) <= 0) {
1694 BIO_printf(bio_err, "%s: Error enabling DANE TLSA "
1695 "authentication.\n", prog);
1696 ERR_print_errors(bio_err);
1699 if (dane_tlsa_rrset == NULL) {
1700 BIO_printf(bio_err, "%s: DANE TLSA authentication requires at "
1701 "least one -dane_tlsa_rrset option.\n", prog);
1704 if (tlsa_import_rrset(con, dane_tlsa_rrset) <= 0) {
1705 BIO_printf(bio_err, "%s: Failed to import any TLSA "
1706 "records.\n", prog);
1709 } else if (dane_tlsa_rrset != NULL) {
1710 BIO_printf(bio_err, "%s: DANE TLSA authentication requires the "
1711 "-dane_tlsa_domain option.\n", prog);
1716 if (init_client(&s, host, port, socket_family, socket_type) == 0)
1718 BIO_printf(bio_err, "connect:errno=%d\n", get_last_socket_error());
1722 BIO_printf(bio_c_out, "CONNECTED(%08X)\n", s);
1725 if (!BIO_socket_nbio(s, 1)) {
1726 ERR_print_errors(bio_err);
1729 BIO_printf(bio_c_out, "Turned on non blocking io\n");
1731 #ifndef OPENSSL_NO_DTLS
1732 if (socket_type == SOCK_DGRAM) {
1733 union BIO_sock_info_u peer_info;
1735 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
1736 if ((peer_info.addr = BIO_ADDR_new()) == NULL) {
1737 BIO_printf(bio_err, "memory allocation failure\n");
1741 if (!BIO_sock_info(s, BIO_SOCK_INFO_ADDRESS, &peer_info)) {
1742 BIO_printf(bio_err, "getsockname:errno=%d\n",
1743 get_last_socket_error());
1744 BIO_ADDR_free(peer_info.addr);
1749 (void)BIO_ctrl_set_connected(sbio, peer_info.addr);
1750 BIO_ADDR_free(peer_info.addr);
1751 peer_info.addr = NULL;
1753 if (enable_timeouts) {
1755 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1756 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1759 timeout.tv_usec = DGRAM_SND_TIMEOUT;
1760 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1764 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
1765 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
1766 DTLS_get_link_min_mtu(con));
1770 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1771 if (!DTLS_set_link_mtu(con, socket_mtu)) {
1772 BIO_printf(bio_err, "Failed to set MTU\n");
1777 /* want to do MTU discovery */
1778 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1780 #endif /* OPENSSL_NO_DTLS */
1781 sbio = BIO_new_socket(s, BIO_NOCLOSE);
1786 test = BIO_new(BIO_f_nbio_test());
1787 sbio = BIO_push(test, sbio);
1791 BIO_set_callback(sbio, bio_dump_callback);
1792 BIO_set_callback_arg(sbio, (char *)bio_c_out);
1795 #ifndef OPENSSL_NO_SSL_TRACE
1797 SSL_set_msg_callback(con, SSL_trace);
1800 SSL_set_msg_callback(con, msg_cb);
1801 SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out);
1804 if (c_tlsextdebug) {
1805 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1806 SSL_set_tlsext_debug_arg(con, bio_c_out);
1808 #ifndef OPENSSL_NO_OCSP
1810 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
1811 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
1812 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
1816 SSL_set_bio(con, sbio, sbio);
1817 SSL_set_connect_state(con);
1819 /* ok, lets connect */
1820 width = SSL_get_fd(con) + 1;
1833 switch ((PROTOCOL_CHOICE) starttls_proto) {
1839 * This is an ugly hack that does a lot of assumptions. We do
1840 * have to handle multi-line responses which may come in a single
1841 * packet or not. We therefore have to use BIO_gets() which does
1842 * need a buffering BIO. So during the initial chitchat we do
1843 * push a buffering BIO into the chain that is removed again
1844 * later on to not disturb the rest of the s_client operation.
1847 BIO *fbio = BIO_new(BIO_f_buffer());
1848 BIO_push(fbio, sbio);
1849 /* wait for multi-line response to end from SMTP */
1851 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1853 while (mbuf_len > 3 && mbuf[3] == '-');
1854 BIO_printf(fbio, "EHLO %s\r\n", ehlo);
1855 (void)BIO_flush(fbio);
1856 /* wait for multi-line response to end EHLO SMTP response */
1858 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1859 if (strstr(mbuf, "STARTTLS"))
1862 while (mbuf_len > 3 && mbuf[3] == '-');
1863 (void)BIO_flush(fbio);
1868 "didn't find starttls in server response,"
1869 " trying anyway...\n");
1870 BIO_printf(sbio, "STARTTLS\r\n");
1871 BIO_read(sbio, sbuf, BUFSIZZ);
1876 BIO_read(sbio, mbuf, BUFSIZZ);
1877 BIO_printf(sbio, "STLS\r\n");
1878 mbuf_len = BIO_read(sbio, sbuf, BUFSIZZ);
1880 BIO_printf(bio_err, "BIO_read failed\n");
1888 BIO *fbio = BIO_new(BIO_f_buffer());
1889 BIO_push(fbio, sbio);
1890 BIO_gets(fbio, mbuf, BUFSIZZ);
1891 /* STARTTLS command requires CAPABILITY... */
1892 BIO_printf(fbio, ". CAPABILITY\r\n");
1893 (void)BIO_flush(fbio);
1894 /* wait for multi-line CAPABILITY response */
1896 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1897 if (strstr(mbuf, "STARTTLS"))
1900 while (mbuf_len > 3 && mbuf[0] != '.');
1901 (void)BIO_flush(fbio);
1906 "didn't find STARTTLS in server response,"
1907 " trying anyway...\n");
1908 BIO_printf(sbio, ". STARTTLS\r\n");
1909 BIO_read(sbio, sbuf, BUFSIZZ);
1914 BIO *fbio = BIO_new(BIO_f_buffer());
1915 BIO_push(fbio, sbio);
1916 /* wait for multi-line response to end from FTP */
1918 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1920 while (mbuf_len > 3 && mbuf[3] == '-');
1921 (void)BIO_flush(fbio);
1924 BIO_printf(sbio, "AUTH TLS\r\n");
1925 BIO_read(sbio, sbuf, BUFSIZZ);
1929 case PROTO_XMPP_SERVER:
1932 BIO_printf(sbio, "<stream:stream "
1933 "xmlns:stream='http://etherx.jabber.org/streams' "
1934 "xmlns='jabber:%s' to='%s' version='1.0'>",
1935 starttls_proto == PROTO_XMPP ? "client" : "server",
1936 xmpphost ? xmpphost : host);
1937 seen = BIO_read(sbio, mbuf, BUFSIZZ);
1940 (mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")
1942 "<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\""))
1944 seen = BIO_read(sbio, mbuf, BUFSIZZ);
1952 "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
1953 seen = BIO_read(sbio, sbuf, BUFSIZZ);
1955 if (!strstr(sbuf, "<proceed"))
1962 static const unsigned char tls_do[] = {
1963 /* IAC DO START_TLS */
1966 static const unsigned char tls_will[] = {
1967 /* IAC WILL START_TLS */
1970 static const unsigned char tls_follows[] = {
1971 /* IAC SB START_TLS FOLLOWS IAC SE */
1972 255, 250, 46, 1, 255, 240
1976 /* Telnet server should demand we issue START_TLS */
1977 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
1978 if (bytes != 3 || memcmp(mbuf, tls_do, 3) != 0)
1980 /* Agree to issue START_TLS and send the FOLLOWS sub-command */
1981 BIO_write(sbio, tls_will, 3);
1982 BIO_write(sbio, tls_follows, 6);
1983 (void)BIO_flush(sbio);
1984 /* Telnet server also sent the FOLLOWS sub-command */
1985 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
1986 if (bytes != 6 || memcmp(mbuf, tls_follows, 6) != 0)
1993 BIO *fbio = BIO_new(BIO_f_buffer());
1995 BIO_push(fbio, sbio);
1996 BIO_printf(fbio, "CONNECT %s HTTP/1.0\r\n\r\n", connectstr);
1997 (void)BIO_flush(fbio);
1998 /* wait for multi-line response to end CONNECT response */
2000 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2001 if (strstr(mbuf, "200") != NULL
2002 && strstr(mbuf, "established") != NULL)
2004 } while (mbuf_len > 3 && foundit == 0);
2005 (void)BIO_flush(fbio);
2009 BIO_printf(bio_err, "%s: HTTP CONNECT failed\n", prog);
2017 BIO *fbio = BIO_new(BIO_f_buffer());
2019 BIO_push(fbio, sbio);
2020 BIO_printf(fbio, "STARTTLS\r\n");
2021 (void)BIO_flush(fbio);
2022 width = SSL_get_fd(con) + 1;
2028 openssl_fdset(SSL_get_fd(con), &readfds);
2029 timeout.tv_sec = S_CLIENT_IRC_READ_TIMEOUT;
2030 timeout.tv_usec = 0;
2032 * If the IRCd doesn't respond within
2033 * S_CLIENT_IRC_READ_TIMEOUT seconds, assume
2034 * it doesn't support STARTTLS. Many IRCds
2035 * will not give _any_ sort of response to a
2036 * STARTTLS command when it's not supported.
2038 if (!BIO_get_buffer_num_lines(fbio)
2039 && !BIO_pending(fbio)
2040 && !BIO_pending(sbio)
2041 && select(width, (void *)&readfds, NULL, NULL,
2044 "Timeout waiting for response (%d seconds).\n",
2045 S_CLIENT_IRC_READ_TIMEOUT);
2049 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2050 if (mbuf_len < 1 || sscanf(mbuf, "%*s %d", &numeric) != 1)
2052 /* :example.net 451 STARTTLS :You have not registered */
2053 /* :example.net 421 STARTTLS :Unknown command */
2054 if ((numeric == 451 || numeric == 421)
2055 && strstr(mbuf, "STARTTLS") != NULL) {
2056 BIO_printf(bio_err, "STARTTLS not supported: %s", mbuf);
2059 if (numeric == 691) {
2060 BIO_printf(bio_err, "STARTTLS negotiation failed: ");
2061 ERR_print_errors(bio_err);
2064 } while (numeric != 670);
2066 (void)BIO_flush(fbio);
2069 if (numeric != 670) {
2070 BIO_printf(bio_err, "Server does not support STARTTLS.\n");
2081 if ((SSL_version(con) == DTLS1_VERSION) &&
2082 DTLSv1_get_timeout(con, &timeout))
2083 timeoutp = &timeout;
2087 if (SSL_in_init(con) && !SSL_total_renegotiations(con)) {
2095 if (servername != NULL && !SSL_session_reused(con)) {
2096 BIO_printf(bio_c_out,
2097 "Server did %sacknowledge servername extension.\n",
2098 tlsextcbp.ack ? "" : "not ");
2102 BIO *stmp = BIO_new_file(sess_out, "w");
2104 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));
2107 BIO_printf(bio_err, "Error writing session file %s\n",
2111 BIO_puts(bio_err, "CONNECTION ESTABLISHED\n");
2112 print_ssl_summary(con);
2115 print_stuff(bio_c_out, con, full_log);
2119 if (starttls_proto) {
2120 BIO_write(bio_err, mbuf, mbuf_len);
2121 /* We don't need to know any more */
2123 starttls_proto = PROTO_OFF;
2128 BIO_printf(bio_c_out,
2129 "drop connection and then reconnect\n");
2130 do_ssl_shutdown(con);
2131 SSL_set_connect_state(con);
2132 BIO_closesocket(SSL_get_fd(con));
2138 ssl_pending = read_ssl && SSL_has_pending(con);
2141 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
2144 * Note that select() returns when read _would not block_,
2145 * and EOF satisfies that. To avoid a CPU-hogging loop,
2146 * set the flag so we exit.
2148 if (read_tty && !at_eof)
2149 openssl_fdset(fileno(stdin), &readfds);
2151 openssl_fdset(fileno(stdout), &writefds);
2154 openssl_fdset(SSL_get_fd(con), &readfds);
2156 openssl_fdset(SSL_get_fd(con), &writefds);
2158 if (!tty_on || !write_tty) {
2160 openssl_fdset(SSL_get_fd(con), &readfds);
2162 openssl_fdset(SSL_get_fd(con), &writefds);
2167 * Note: under VMS with SOCKETSHR the second parameter is
2168 * currently of type (int *) whereas under other systems it is
2169 * (void *) if you don't have a cast it will choke the compiler:
2170 * if you do have a cast then you can either go for (int *) or
2173 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2175 * Under Windows/DOS we make the assumption that we can always
2176 * write to the tty: therefore if we need to write to the tty we
2177 * just fall through. Otherwise we timeout the select every
2178 * second and see if there are any keypresses. Note: this is a
2179 * hack, in a proper Windows application we wouldn't do this.
2186 i = select(width, (void *)&readfds, (void *)&writefds,
2188 if (!i && (!has_stdin_waiting() || !read_tty))
2191 i = select(width, (void *)&readfds, (void *)&writefds,
2195 i = select(width, (void *)&readfds, (void *)&writefds,
2199 BIO_printf(bio_err, "bad select %d\n",
2200 get_last_socket_error());
2206 if ((SSL_version(con) == DTLS1_VERSION)
2207 && DTLSv1_handle_timeout(con) > 0) {
2208 BIO_printf(bio_err, "TIMEOUT occurred\n");
2211 if (!ssl_pending && FD_ISSET(SSL_get_fd(con), &writefds)) {
2212 k = SSL_write(con, &(cbuf[cbuf_off]), (unsigned int)cbuf_len);
2213 switch (SSL_get_error(con, k)) {
2214 case SSL_ERROR_NONE:
2219 /* we have done a write(con,NULL,0); */
2220 if (cbuf_len <= 0) {
2223 } else { /* if (cbuf_len > 0) */
2229 case SSL_ERROR_WANT_WRITE:
2230 BIO_printf(bio_c_out, "write W BLOCK\n");
2234 case SSL_ERROR_WANT_ASYNC:
2235 BIO_printf(bio_c_out, "write A BLOCK\n");
2236 wait_for_async(con);
2240 case SSL_ERROR_WANT_READ:
2241 BIO_printf(bio_c_out, "write R BLOCK\n");
2246 case SSL_ERROR_WANT_X509_LOOKUP:
2247 BIO_printf(bio_c_out, "write X BLOCK\n");
2249 case SSL_ERROR_ZERO_RETURN:
2250 if (cbuf_len != 0) {
2251 BIO_printf(bio_c_out, "shutdown\n");
2260 case SSL_ERROR_SYSCALL:
2261 if ((k != 0) || (cbuf_len != 0)) {
2262 BIO_printf(bio_err, "write:errno=%d\n",
2263 get_last_socket_error());
2270 case SSL_ERROR_WANT_ASYNC_JOB:
2271 /* This shouldn't ever happen in s_client - treat as an error */
2273 ERR_print_errors(bio_err);
2277 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2278 /* Assume Windows/DOS/BeOS can always write */
2279 else if (!ssl_pending && write_tty)
2281 else if (!ssl_pending && FD_ISSET(fileno(stdout), &writefds))
2284 #ifdef CHARSET_EBCDIC
2285 ascii2ebcdic(&(sbuf[sbuf_off]), &(sbuf[sbuf_off]), sbuf_len);
2287 i = raw_write_stdout(&(sbuf[sbuf_off]), sbuf_len);
2290 BIO_printf(bio_c_out, "DONE\n");
2298 if (sbuf_len <= 0) {
2302 } else if (ssl_pending || FD_ISSET(SSL_get_fd(con), &readfds)) {
2307 SSL_renegotiate(con);
2312 k = SSL_read(con, sbuf, 1024 /* BUFSIZZ */ );
2314 switch (SSL_get_error(con, k)) {
2315 case SSL_ERROR_NONE:
2324 case SSL_ERROR_WANT_ASYNC:
2325 BIO_printf(bio_c_out, "read A BLOCK\n");
2326 wait_for_async(con);
2329 if ((read_tty == 0) && (write_ssl == 0))
2332 case SSL_ERROR_WANT_WRITE:
2333 BIO_printf(bio_c_out, "read W BLOCK\n");
2337 case SSL_ERROR_WANT_READ:
2338 BIO_printf(bio_c_out, "read R BLOCK\n");
2341 if ((read_tty == 0) && (write_ssl == 0))
2344 case SSL_ERROR_WANT_X509_LOOKUP:
2345 BIO_printf(bio_c_out, "read X BLOCK\n");
2347 case SSL_ERROR_SYSCALL:
2348 ret = get_last_socket_error();
2350 BIO_puts(bio_err, "CONNECTION CLOSED BY SERVER\n");
2352 BIO_printf(bio_err, "read:errno=%d\n", ret);
2354 case SSL_ERROR_ZERO_RETURN:
2355 BIO_printf(bio_c_out, "closed\n");
2358 case SSL_ERROR_WANT_ASYNC_JOB:
2359 /* This shouldn't ever happen in s_client. Treat as an error */
2361 ERR_print_errors(bio_err);
2366 /* OPENSSL_SYS_MSDOS includes OPENSSL_SYS_WINDOWS */
2367 #if defined(OPENSSL_SYS_MSDOS)
2368 else if (has_stdin_waiting())
2370 else if (FD_ISSET(fileno(stdin), &readfds))
2376 i = raw_read_stdin(cbuf, BUFSIZZ / 2);
2378 /* both loops are skipped when i <= 0 */
2379 for (j = 0; j < i; j++)
2380 if (cbuf[j] == '\n')
2382 for (j = i - 1; j >= 0; j--) {
2383 cbuf[j + lf_num] = cbuf[j];
2384 if (cbuf[j] == '\n') {
2387 cbuf[j + lf_num] = '\r';
2390 assert(lf_num == 0);
2392 i = raw_read_stdin(cbuf, BUFSIZZ);
2397 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q' && cmdletters))) {
2398 BIO_printf(bio_err, "DONE\n");
2403 if ((!c_ign_eof) && (cbuf[0] == 'R' && cmdletters)) {
2404 BIO_printf(bio_err, "RENEGOTIATING\n");
2405 SSL_renegotiate(con);
2408 #ifndef OPENSSL_NO_HEARTBEATS
2409 else if ((!c_ign_eof) && (cbuf[0] == 'B' && cmdletters)) {
2410 BIO_printf(bio_err, "HEARTBEATING\n");
2418 #ifdef CHARSET_EBCDIC
2419 ebcdic2ascii(cbuf, cbuf, i);
2431 print_stuff(bio_c_out, con, full_log);
2432 do_ssl_shutdown(con);
2433 #if defined(OPENSSL_SYS_WINDOWS)
2435 * Give the socket time to send its last data before we close it.
2436 * No amount of setting SO_LINGER etc on the socket seems to persuade
2437 * Windows to send the data before closing the socket...but sleeping
2438 * for a short time seems to do it (units in ms)
2439 * TODO: Find a better way to do this
2443 BIO_closesocket(SSL_get_fd(con));
2447 print_stuff(bio_c_out, con, 1);
2450 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2451 OPENSSL_free(next_proto.data);
2455 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2457 sk_X509_pop_free(chain, X509_free);
2459 #ifndef OPENSSL_NO_SRP
2460 OPENSSL_free(srp_arg.srppassin);
2464 X509_VERIFY_PARAM_free(vpm);
2465 ssl_excert_free(exc);
2466 sk_OPENSSL_STRING_free(ssl_args);
2467 sk_OPENSSL_STRING_free(dane_tlsa_rrset);
2468 SSL_CONF_CTX_free(cctx);
2469 OPENSSL_clear_free(cbuf, BUFSIZZ);
2470 OPENSSL_clear_free(sbuf, BUFSIZZ);
2471 OPENSSL_clear_free(mbuf, BUFSIZZ);
2472 BIO_free(bio_c_out);
2474 BIO_free(bio_c_msg);
2479 static void print_stuff(BIO *bio, SSL *s, int full)
2484 STACK_OF(X509_NAME) *sk2;
2485 const SSL_CIPHER *c;
2488 #ifndef OPENSSL_NO_COMP
2489 const COMP_METHOD *comp, *expansion;
2491 unsigned char *exportedkeymat;
2492 #ifndef OPENSSL_NO_CT
2493 const SSL_CTX *ctx = SSL_get_SSL_CTX(s);
2497 int got_a_chain = 0;
2499 sk = SSL_get_peer_cert_chain(s);
2503 BIO_printf(bio, "---\nCertificate chain\n");
2504 for (i = 0; i < sk_X509_num(sk); i++) {
2505 X509_NAME_oneline(X509_get_subject_name(sk_X509_value(sk, i)),
2507 BIO_printf(bio, "%2d s:%s\n", i, buf);
2508 X509_NAME_oneline(X509_get_issuer_name(sk_X509_value(sk, i)),
2510 BIO_printf(bio, " i:%s\n", buf);
2512 PEM_write_bio_X509(bio, sk_X509_value(sk, i));
2516 BIO_printf(bio, "---\n");
2517 peer = SSL_get_peer_certificate(s);
2519 BIO_printf(bio, "Server certificate\n");
2521 /* Redundant if we showed the whole chain */
2522 if (!(c_showcerts && got_a_chain))
2523 PEM_write_bio_X509(bio, peer);
2524 X509_NAME_oneline(X509_get_subject_name(peer), buf, sizeof buf);
2525 BIO_printf(bio, "subject=%s\n", buf);
2526 X509_NAME_oneline(X509_get_issuer_name(peer), buf, sizeof buf);
2527 BIO_printf(bio, "issuer=%s\n", buf);
2529 BIO_printf(bio, "no peer certificate available\n");
2531 sk2 = SSL_get_client_CA_list(s);
2532 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0)) {
2533 BIO_printf(bio, "---\nAcceptable client certificate CA names\n");
2534 for (i = 0; i < sk_X509_NAME_num(sk2); i++) {
2535 xn = sk_X509_NAME_value(sk2, i);
2536 X509_NAME_oneline(xn, buf, sizeof(buf));
2537 BIO_write(bio, buf, strlen(buf));
2538 BIO_write(bio, "\n", 1);
2541 BIO_printf(bio, "---\nNo client certificate CA names sent\n");
2544 ssl_print_sigalgs(bio, s);
2545 ssl_print_tmp_key(bio, s);
2547 #ifndef OPENSSL_NO_CT
2549 * When the SSL session is anonymous, or resumed via an abbreviated
2550 * handshake, no SCTs are provided as part of the handshake. While in
2551 * a resumed session SCTs may be present in the session's certificate,
2552 * no callbacks are invoked to revalidate these, and in any case that
2553 * set of SCTs may be incomplete. Thus it makes little sense to
2554 * attempt to display SCTs from a resumed session's certificate, and of
2555 * course none are associated with an anonymous peer.
2557 if (peer != NULL && !SSL_session_reused(s) && SSL_ct_is_enabled(s)) {
2558 const STACK_OF(SCT) *scts = SSL_get0_peer_scts(s);
2559 int sct_count = scts != NULL ? sk_SCT_num(scts) : 0;
2561 BIO_printf(bio, "---\nSCTs present (%i)\n", sct_count);
2562 if (sct_count > 0) {
2563 const CTLOG_STORE *log_store = SSL_CTX_get0_ctlog_store(ctx);
2565 BIO_printf(bio, "---\n");
2566 for (i = 0; i < sct_count; ++i) {
2567 SCT *sct = sk_SCT_value(scts, i);
2569 BIO_printf(bio, "SCT validation status: %s\n",
2570 SCT_validation_status_string(sct));
2571 SCT_print(sct, bio, 0, log_store);
2572 if (i < sct_count - 1)
2573 BIO_printf(bio, "\n---\n");
2575 BIO_printf(bio, "\n");
2581 "---\nSSL handshake has read %"PRIu64" bytes and written %"PRIu64" bytes\n",
2582 BIO_number_read(SSL_get_rbio(s)),
2583 BIO_number_written(SSL_get_wbio(s)));
2585 print_verify_detail(s, bio);
2586 BIO_printf(bio, (SSL_session_reused(s) ? "---\nReused, " : "---\nNew, "));
2587 c = SSL_get_current_cipher(s);
2588 BIO_printf(bio, "%s, Cipher is %s\n",
2589 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
2593 pktmp = X509_get0_pubkey(peer);
2594 BIO_printf(bio, "Server public key is %d bit\n",
2595 EVP_PKEY_bits(pktmp));
2597 BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
2598 SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
2599 #ifndef OPENSSL_NO_COMP
2600 comp = SSL_get_current_compression(s);
2601 expansion = SSL_get_current_expansion(s);
2602 BIO_printf(bio, "Compression: %s\n",
2603 comp ? SSL_COMP_get_name(comp) : "NONE");
2604 BIO_printf(bio, "Expansion: %s\n",
2605 expansion ? SSL_COMP_get_name(expansion) : "NONE");
2610 /* Print out local port of connection: useful for debugging */
2612 union BIO_sock_info_u info;
2614 sock = SSL_get_fd(s);
2615 if ((info.addr = BIO_ADDR_new()) != NULL
2616 && BIO_sock_info(sock, BIO_SOCK_INFO_ADDRESS, &info)) {
2617 BIO_printf(bio_c_out, "LOCAL PORT is %u\n",
2618 ntohs(BIO_ADDR_rawport(info.addr)));
2620 BIO_ADDR_free(info.addr);
2624 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2625 if (next_proto.status != -1) {
2626 const unsigned char *proto;
2627 unsigned int proto_len;
2628 SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
2629 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
2630 BIO_write(bio, proto, proto_len);
2631 BIO_write(bio, "\n", 1);
2635 const unsigned char *proto;
2636 unsigned int proto_len;
2637 SSL_get0_alpn_selected(s, &proto, &proto_len);
2638 if (proto_len > 0) {
2639 BIO_printf(bio, "ALPN protocol: ");
2640 BIO_write(bio, proto, proto_len);
2641 BIO_write(bio, "\n", 1);
2643 BIO_printf(bio, "No ALPN negotiated\n");
2646 #ifndef OPENSSL_NO_SRTP
2648 SRTP_PROTECTION_PROFILE *srtp_profile =
2649 SSL_get_selected_srtp_profile(s);
2652 BIO_printf(bio, "SRTP Extension negotiated, profile=%s\n",
2653 srtp_profile->name);
2657 SSL_SESSION_print(bio, SSL_get_session(s));
2658 if ((SSL_get_session(s) != NULL) &&
2659 (keymatexportlabel != NULL)) {
2660 BIO_printf(bio, "Keying material exporter:\n");
2661 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel);
2662 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen);
2663 exportedkeymat = app_malloc(keymatexportlen, "export key");
2664 if (!SSL_export_keying_material(s, exportedkeymat,
2667 strlen(keymatexportlabel),
2669 BIO_printf(bio, " Error\n");
2671 BIO_printf(bio, " Keying material: ");
2672 for (i = 0; i < keymatexportlen; i++)
2673 BIO_printf(bio, "%02X", exportedkeymat[i]);
2674 BIO_printf(bio, "\n");
2676 OPENSSL_free(exportedkeymat);
2678 BIO_printf(bio, "---\n");
2680 /* flush, or debugging output gets mixed with http response */
2681 (void)BIO_flush(bio);
2684 # ifndef OPENSSL_NO_OCSP
2685 static int ocsp_resp_cb(SSL *s, void *arg)
2687 const unsigned char *p;
2690 len = SSL_get_tlsext_status_ocsp_resp(s, &p);
2691 BIO_puts(arg, "OCSP response: ");
2693 BIO_puts(arg, "no response sent\n");
2696 rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
2698 BIO_puts(arg, "response parse error\n");
2699 BIO_dump_indent(arg, (char *)p, len, 4);
2702 BIO_puts(arg, "\n======================================\n");
2703 OCSP_RESPONSE_print(arg, rsp, 0);
2704 BIO_puts(arg, "======================================\n");
2705 OCSP_RESPONSE_free(rsp);
2710 #endif /* OPENSSL_NO_SOCK */