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_debug = 0;
88 static int c_showcerts = 0;
89 static char *keymatexportlabel = NULL;
90 static int keymatexportlen = 20;
91 static BIO *bio_c_out = NULL;
92 static int c_quiet = 0;
93 static char *sess_out = NULL;
95 static void print_stuff(BIO *berr, SSL *con, int full);
96 #ifndef OPENSSL_NO_OCSP
97 static int ocsp_resp_cb(SSL *s, void *arg);
99 static int ldap_ExtendedResponse_parse(const char *buf, long rem);
101 static int saved_errno;
103 static void save_errno(void)
109 static int restore_errno(void)
116 static void do_ssl_shutdown(SSL *ssl)
121 /* We only do unidirectional shutdown */
122 ret = SSL_shutdown(ssl);
124 switch (SSL_get_error(ssl, ret)) {
125 case SSL_ERROR_WANT_READ:
126 case SSL_ERROR_WANT_WRITE:
127 case SSL_ERROR_WANT_ASYNC:
128 case SSL_ERROR_WANT_ASYNC_JOB:
129 /* We just do busy waiting. Nothing clever */
137 #ifndef OPENSSL_NO_PSK
138 /* Default PSK identity and key */
139 static char *psk_identity = "Client_identity";
141 static unsigned int psk_client_cb(SSL *ssl, const char *hint, char *identity,
142 unsigned int max_identity_len,
144 unsigned int max_psk_len)
151 BIO_printf(bio_c_out, "psk_client_cb\n");
153 /* no ServerKeyExchange message */
155 BIO_printf(bio_c_out,
156 "NULL received PSK identity hint, continuing anyway\n");
158 BIO_printf(bio_c_out, "Received PSK identity hint '%s'\n", hint);
161 * lookup PSK identity and PSK key based on the given identity hint here
163 ret = BIO_snprintf(identity, max_identity_len, "%s", psk_identity);
164 if (ret < 0 || (unsigned int)ret > max_identity_len)
167 BIO_printf(bio_c_out, "created identity '%s' len=%d\n", identity,
170 /* convert the PSK key to binary */
171 key = OPENSSL_hexstr2buf(psk_key, &key_len);
173 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n",
177 if (max_psk_len > INT_MAX || key_len > (long)max_psk_len) {
179 "psk buffer of callback is too small (%d) for key (%ld)\n",
180 max_psk_len, key_len);
185 memcpy(psk, key, key_len);
189 BIO_printf(bio_c_out, "created PSK len=%ld\n", key_len);
194 BIO_printf(bio_err, "Error in PSK client callback\n");
199 /* This is a context that we pass to callbacks */
200 typedef struct tlsextctx_st {
205 static int ssl_servername_cb(SSL *s, int *ad, void *arg)
207 tlsextctx *p = (tlsextctx *) arg;
208 const char *hn = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
209 if (SSL_get_servername_type(s) != -1)
210 p->ack = !SSL_session_reused(s) && hn != NULL;
212 BIO_printf(bio_err, "Can't use SSL_get_servername\n");
214 return SSL_TLSEXT_ERR_OK;
217 #ifndef OPENSSL_NO_SRP
219 /* This is a context that we pass to all callbacks */
220 typedef struct srp_arg_st {
223 int msg; /* copy from c_msg */
224 int debug; /* copy from c_debug */
225 int amp; /* allow more groups */
226 int strength; /* minimal size for N */
229 # define SRP_NUMBER_ITERATIONS_FOR_PRIME 64
231 static int srp_Verify_N_and_g(const BIGNUM *N, const BIGNUM *g)
233 BN_CTX *bn_ctx = BN_CTX_new();
234 BIGNUM *p = BN_new();
235 BIGNUM *r = BN_new();
237 g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) &&
238 BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) == 1 &&
239 p != NULL && BN_rshift1(p, N) &&
241 BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) == 1 &&
243 /* verify g^((N-1)/2) == -1 (mod N) */
244 BN_mod_exp(r, g, p, N, bn_ctx) &&
245 BN_add_word(r, 1) && BN_cmp(r, N) == 0;
254 * This callback is used here for two purposes:
255 * - extended debugging
256 * - making some primality tests for unknown groups
257 * The callback is only called for a non default group.
259 * An application does not need the call back at all if
260 * only the standard groups are used. In real life situations,
261 * client and server already share well known groups,
262 * thus there is no need to verify them.
263 * Furthermore, in case that a server actually proposes a group that
264 * is not one of those defined in RFC 5054, it is more appropriate
265 * to add the group to a static list and then compare since
266 * primality tests are rather cpu consuming.
269 static int ssl_srp_verify_param_cb(SSL *s, void *arg)
271 SRP_ARG *srp_arg = (SRP_ARG *)arg;
272 BIGNUM *N = NULL, *g = NULL;
274 if (((N = SSL_get_srp_N(s)) == NULL) || ((g = SSL_get_srp_g(s)) == NULL))
276 if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1) {
277 BIO_printf(bio_err, "SRP parameters:\n");
278 BIO_printf(bio_err, "\tN=");
279 BN_print(bio_err, N);
280 BIO_printf(bio_err, "\n\tg=");
281 BN_print(bio_err, g);
282 BIO_printf(bio_err, "\n");
285 if (SRP_check_known_gN_param(g, N))
288 if (srp_arg->amp == 1) {
291 "SRP param N and g are not known params, going to check deeper.\n");
294 * The srp_moregroups is a real debugging feature. Implementors
295 * should rather add the value to the known ones. The minimal size
296 * has already been tested.
298 if (BN_num_bits(g) <= BN_BITS && srp_Verify_N_and_g(N, g))
301 BIO_printf(bio_err, "SRP param N and g rejected.\n");
305 # define PWD_STRLEN 1024
307 static char *ssl_give_srp_client_pwd_cb(SSL *s, void *arg)
309 SRP_ARG *srp_arg = (SRP_ARG *)arg;
310 char *pass = app_malloc(PWD_STRLEN + 1, "SRP password buffer");
314 cb_tmp.password = (char *)srp_arg->srppassin;
315 cb_tmp.prompt_info = "SRP user";
316 if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp)) < 0) {
317 BIO_printf(bio_err, "Can't read Password\n");
328 static char *srtp_profiles = NULL;
330 #ifndef OPENSSL_NO_NEXTPROTONEG
331 /* This the context that we pass to next_proto_cb */
332 typedef struct tlsextnextprotoctx_st {
336 } tlsextnextprotoctx;
338 static tlsextnextprotoctx next_proto;
340 static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen,
341 const unsigned char *in, unsigned int inlen,
344 tlsextnextprotoctx *ctx = arg;
347 /* We can assume that |in| is syntactically valid. */
349 BIO_printf(bio_c_out, "Protocols advertised by server: ");
350 for (i = 0; i < inlen;) {
352 BIO_write(bio_c_out, ", ", 2);
353 BIO_write(bio_c_out, &in[i + 1], in[i]);
356 BIO_write(bio_c_out, "\n", 1);
360 SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len);
361 return SSL_TLSEXT_ERR_OK;
363 #endif /* ndef OPENSSL_NO_NEXTPROTONEG */
365 static int serverinfo_cli_parse_cb(SSL *s, unsigned int ext_type,
366 const unsigned char *in, size_t inlen,
370 unsigned char ext_buf[4 + 65536];
372 /* Reconstruct the type/len fields prior to extension data */
373 ext_buf[0] = ext_type >> 8;
374 ext_buf[1] = ext_type & 0xFF;
375 ext_buf[2] = inlen >> 8;
376 ext_buf[3] = inlen & 0xFF;
377 memcpy(ext_buf + 4, in, inlen);
379 BIO_snprintf(pem_name, sizeof(pem_name), "SERVERINFO FOR EXTENSION %d",
381 PEM_write_bio(bio_c_out, pem_name, "", ext_buf, 4 + inlen);
386 * Hex decoder that tolerates optional whitespace. Returns number of bytes
387 * produced, advances inptr to end of input string.
389 static ossl_ssize_t hexdecode(const char **inptr, void *result)
391 unsigned char **out = (unsigned char **)result;
392 const char *in = *inptr;
393 unsigned char *ret = app_malloc(strlen(in) / 2, "hexdecode");
394 unsigned char *cp = ret;
401 for (byte = 0; *in; ++in) {
404 if (isspace(_UC(*in)))
406 x = OPENSSL_hexchar2int(*in);
412 if ((nibble ^= 1) == 0) {
425 return cp - (*out = ret);
429 * Decode unsigned 0..255, returns 1 on success, <= 0 on failure. Advances
430 * inptr to next field skipping leading whitespace.
432 static ossl_ssize_t checked_uint8(const char **inptr, void *out)
434 uint8_t *result = (uint8_t *)out;
435 const char *in = *inptr;
441 v = strtol(in, &endp, 10);
444 if (((v == LONG_MIN || v == LONG_MAX) && e == ERANGE) ||
445 endp == in || !isspace(_UC(*endp)) ||
446 v != (*result = (uint8_t) v)) {
449 for (in = endp; isspace(_UC(*in)); ++in)
459 ossl_ssize_t (*parser)(const char **, void *);
462 static int tlsa_import_rr(SSL *con, const char *rrdata)
464 /* Not necessary to re-init these values; the "parsers" do that. */
465 static uint8_t usage;
466 static uint8_t selector;
467 static uint8_t mtype;
468 static unsigned char *data;
469 static struct tlsa_field tlsa_fields[] = {
470 { &usage, "usage", checked_uint8 },
471 { &selector, "selector", checked_uint8 },
472 { &mtype, "mtype", checked_uint8 },
473 { &data, "data", hexdecode },
476 struct tlsa_field *f;
478 const char *cp = rrdata;
479 ossl_ssize_t len = 0;
481 for (f = tlsa_fields; f->var; ++f) {
482 /* Returns number of bytes produced, advances cp to next field */
483 if ((len = f->parser(&cp, f->var)) <= 0) {
484 BIO_printf(bio_err, "%s: warning: bad TLSA %s field in: %s\n",
485 prog, f->name, rrdata);
489 /* The data field is last, so len is its length */
490 ret = SSL_dane_tlsa_add(con, usage, selector, mtype, data, len);
494 ERR_print_errors(bio_err);
495 BIO_printf(bio_err, "%s: warning: unusable TLSA rrdata: %s\n",
500 ERR_print_errors(bio_err);
501 BIO_printf(bio_err, "%s: warning: error loading TLSA rrdata: %s\n",
508 static int tlsa_import_rrset(SSL *con, STACK_OF(OPENSSL_STRING) *rrset)
510 int num = sk_OPENSSL_STRING_num(rrset);
514 for (i = 0; i < num; ++i) {
515 char *rrdata = sk_OPENSSL_STRING_value(rrset, i);
516 if (tlsa_import_rr(con, rrdata) > 0)
522 typedef enum OPTION_choice {
523 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
524 OPT_4, OPT_6, OPT_HOST, OPT_PORT, OPT_CONNECT, OPT_UNIX,
525 OPT_XMPPHOST, OPT_VERIFY, OPT_NAMEOPT,
526 OPT_CERT, OPT_CRL, OPT_CRL_DOWNLOAD, OPT_SESS_OUT, OPT_SESS_IN,
527 OPT_CERTFORM, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET,
528 OPT_BRIEF, OPT_PREXIT, OPT_CRLF, OPT_QUIET, OPT_NBIO,
529 OPT_SSL_CLIENT_ENGINE, OPT_RAND, OPT_IGN_EOF, OPT_NO_IGN_EOF,
530 OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_WDEBUG,
531 OPT_MSG, OPT_MSGFILE, OPT_ENGINE, OPT_TRACE, OPT_SECURITY_DEBUG,
532 OPT_SECURITY_DEBUG_VERBOSE, OPT_SHOWCERTS, OPT_NBIO_TEST, OPT_STATE,
533 #ifndef OPENSSL_NO_PSK
534 OPT_PSK_IDENTITY, OPT_PSK,
536 #ifndef OPENSSL_NO_SRP
537 OPT_SRPUSER, OPT_SRPPASS, OPT_SRP_STRENGTH, OPT_SRP_LATEUSER,
540 OPT_SSL3, OPT_SSL_CONFIG,
541 OPT_TLS1_3, OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1,
542 OPT_DTLS1_2, OPT_TIMEOUT, OPT_MTU, OPT_KEYFORM, OPT_PASS,
543 OPT_CERT_CHAIN, OPT_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH,
545 OPT_KEY, OPT_RECONNECT, OPT_BUILD_CHAIN, OPT_CAFILE, OPT_NOCAFILE,
546 OPT_CHAINCAFILE, OPT_VERIFYCAFILE, OPT_NEXTPROTONEG, OPT_ALPN,
547 OPT_SERVERINFO, OPT_STARTTLS, OPT_SERVERNAME,
548 OPT_USE_SRTP, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN, OPT_SMTPHOST,
549 OPT_ASYNC, OPT_SPLIT_SEND_FRAG, OPT_MAX_PIPELINES, OPT_READ_BUF,
550 OPT_KEYLOG_FILE, OPT_EARLY_DATA, OPT_REQCAFILE,
554 OPT_FALLBACKSCSV, OPT_NOCMDS, OPT_PROXY, OPT_DANE_TLSA_DOMAIN,
555 #ifndef OPENSSL_NO_CT
556 OPT_CT, OPT_NOCT, OPT_CTLOG_FILE,
558 OPT_DANE_TLSA_RRDATA, OPT_DANE_EE_NO_NAME
561 const OPTIONS s_client_options[] = {
562 {"help", OPT_HELP, '-', "Display this summary"},
563 {"host", OPT_HOST, 's', "Use -connect instead"},
564 {"port", OPT_PORT, 'p', "Use -connect instead"},
565 {"connect", OPT_CONNECT, 's',
566 "TCP/IP where to connect (default is :" PORT ")"},
567 {"proxy", OPT_PROXY, 's',
568 "Connect to via specified proxy to the real server"},
570 {"unix", OPT_UNIX, 's', "Connect over the specified Unix-domain socket"},
572 {"4", OPT_4, '-', "Use IPv4 only"},
574 {"6", OPT_6, '-', "Use IPv6 only"},
576 {"verify", OPT_VERIFY, 'p', "Turn on peer certificate verification"},
577 {"cert", OPT_CERT, '<', "Certificate file to use, PEM format assumed"},
578 {"certform", OPT_CERTFORM, 'F',
579 "Certificate format (PEM or DER) PEM default"},
580 {"nameopt", OPT_NAMEOPT, 's', "Various certificate name options"},
581 {"key", OPT_KEY, 's', "Private key file to use, if not in -cert file"},
582 {"keyform", OPT_KEYFORM, 'E', "Key format (PEM, DER or engine) PEM default"},
583 {"pass", OPT_PASS, 's', "Private key file pass phrase source"},
584 {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
585 {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
586 {"no-CAfile", OPT_NOCAFILE, '-',
587 "Do not load the default certificates file"},
588 {"no-CApath", OPT_NOCAPATH, '-',
589 "Do not load certificates from the default certificates directory"},
590 {"requestCAfile", OPT_REQCAFILE, '<',
591 "PEM format file of CA names to send to the server"},
592 {"dane_tlsa_domain", OPT_DANE_TLSA_DOMAIN, 's', "DANE TLSA base domain"},
593 {"dane_tlsa_rrdata", OPT_DANE_TLSA_RRDATA, 's',
594 "DANE TLSA rrdata presentation form"},
595 {"dane_ee_no_namechecks", OPT_DANE_EE_NO_NAME, '-',
596 "Disable name checks when matching DANE-EE(3) TLSA records"},
597 {"reconnect", OPT_RECONNECT, '-',
598 "Drop and re-make the connection with the same Session-ID"},
599 {"showcerts", OPT_SHOWCERTS, '-', "Show all certificates in the chain"},
600 {"debug", OPT_DEBUG, '-', "Extra output"},
601 {"msg", OPT_MSG, '-', "Show protocol messages"},
602 {"msgfile", OPT_MSGFILE, '>',
603 "File to send output of -msg or -trace, instead of stdout"},
604 {"nbio_test", OPT_NBIO_TEST, '-', "More ssl protocol testing"},
605 {"state", OPT_STATE, '-', "Print the ssl states"},
606 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"},
607 {"quiet", OPT_QUIET, '-', "No s_client output"},
608 {"ign_eof", OPT_IGN_EOF, '-', "Ignore input eof (default when -quiet)"},
609 {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Don't ignore input eof"},
610 {"starttls", OPT_STARTTLS, 's',
611 "Use the appropriate STARTTLS command before starting TLS"},
612 {"xmpphost", OPT_XMPPHOST, 's',
613 "Host to use with \"-starttls xmpp[-server]\""},
614 {"rand", OPT_RAND, 's',
615 "Load the file(s) into the random number generator"},
616 {"sess_out", OPT_SESS_OUT, '>', "File to write SSL session to"},
617 {"sess_in", OPT_SESS_IN, '<', "File to read SSL session from"},
618 {"use_srtp", OPT_USE_SRTP, 's',
619 "Offer SRTP key management with a colon-separated profile list"},
620 {"keymatexport", OPT_KEYMATEXPORT, 's',
621 "Export keying material using label"},
622 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
623 "Export len bytes of keying material (default 20)"},
624 {"fallback_scsv", OPT_FALLBACKSCSV, '-', "Send the fallback SCSV"},
625 {"name", OPT_SMTPHOST, 's',
626 "Hostname to use for \"-starttls lmtp\" or \"-starttls smtp\""},
627 {"CRL", OPT_CRL, '<', "CRL file to use"},
628 {"crl_download", OPT_CRL_DOWNLOAD, '-', "Download CRL from distribution points"},
629 {"CRLform", OPT_CRLFORM, 'F', "CRL format (PEM or DER) PEM is default"},
630 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-',
631 "Close connection on verification error"},
632 {"verify_quiet", OPT_VERIFY_QUIET, '-', "Restrict verify output to errors"},
633 {"brief", OPT_BRIEF, '-',
634 "Restrict output to brief summary of connection parameters"},
635 {"prexit", OPT_PREXIT, '-',
636 "Print session information when the program exits"},
637 {"security_debug", OPT_SECURITY_DEBUG, '-',
638 "Enable security debug messages"},
639 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-',
640 "Output more security debug output"},
641 {"cert_chain", OPT_CERT_CHAIN, '<',
642 "Certificate chain file (in PEM format)"},
643 {"chainCApath", OPT_CHAINCAPATH, '/',
644 "Use dir as certificate store path to build CA certificate chain"},
645 {"verifyCApath", OPT_VERIFYCAPATH, '/',
646 "Use dir as certificate store path to verify CA certificate"},
647 {"build_chain", OPT_BUILD_CHAIN, '-', "Build certificate chain"},
648 {"chainCAfile", OPT_CHAINCAFILE, '<',
649 "CA file for certificate chain (PEM format)"},
650 {"verifyCAfile", OPT_VERIFYCAFILE, '<',
651 "CA file for certificate verification (PEM format)"},
652 {"nocommands", OPT_NOCMDS, '-', "Do not use interactive command letters"},
653 {"servername", OPT_SERVERNAME, 's',
654 "Set TLS extension servername in ClientHello"},
655 {"tlsextdebug", OPT_TLSEXTDEBUG, '-',
656 "Hex dump of all TLS extensions received"},
657 #ifndef OPENSSL_NO_OCSP
658 {"status", OPT_STATUS, '-', "Request certificate status from server"},
660 {"serverinfo", OPT_SERVERINFO, 's',
661 "types Send empty ClientHello extensions (comma-separated numbers)"},
662 {"alpn", OPT_ALPN, 's',
663 "Enable ALPN extension, considering named protocols supported (comma-separated list)"},
664 {"async", OPT_ASYNC, '-', "Support asynchronous operation"},
665 {"ssl_config", OPT_SSL_CONFIG, 's', "Use specified configuration file"},
666 {"split_send_frag", OPT_SPLIT_SEND_FRAG, 'n',
667 "Size used to split data for encrypt pipelines"},
668 {"max_pipelines", OPT_MAX_PIPELINES, 'n',
669 "Maximum number of encrypt/decrypt pipelines to be used"},
670 {"read_buf", OPT_READ_BUF, 'n',
671 "Default read buffer size to be used for connections"},
675 #ifndef OPENSSL_NO_SSL3
676 {"ssl3", OPT_SSL3, '-', "Just use SSLv3"},
678 #ifndef OPENSSL_NO_TLS1
679 {"tls1", OPT_TLS1, '-', "Just use TLSv1"},
681 #ifndef OPENSSL_NO_TLS1_1
682 {"tls1_1", OPT_TLS1_1, '-', "Just use TLSv1.1"},
684 #ifndef OPENSSL_NO_TLS1_2
685 {"tls1_2", OPT_TLS1_2, '-', "Just use TLSv1.2"},
687 #ifndef OPENSSL_NO_TLS1_3
688 {"tls1_3", OPT_TLS1_3, '-', "Just use TLSv1.3"},
690 #ifndef OPENSSL_NO_DTLS
691 {"dtls", OPT_DTLS, '-', "Use any version of DTLS"},
692 {"timeout", OPT_TIMEOUT, '-',
693 "Enable send/receive timeout on DTLS connections"},
694 {"mtu", OPT_MTU, 'p', "Set the link layer MTU"},
696 #ifndef OPENSSL_NO_DTLS1
697 {"dtls1", OPT_DTLS1, '-', "Just use DTLSv1"},
699 #ifndef OPENSSL_NO_DTLS1_2
700 {"dtls1_2", OPT_DTLS1_2, '-', "Just use DTLSv1.2"},
702 #ifndef OPENSSL_NO_SSL_TRACE
703 {"trace", OPT_TRACE, '-', "Show trace output of protocol messages"},
706 {"wdebug", OPT_WDEBUG, '-', "WATT-32 tcp debugging"},
708 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"},
709 #ifndef OPENSSL_NO_PSK
710 {"psk_identity", OPT_PSK_IDENTITY, 's', "PSK identity"},
711 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"},
713 #ifndef OPENSSL_NO_SRP
714 {"srpuser", OPT_SRPUSER, 's', "SRP authentication for 'user'"},
715 {"srppass", OPT_SRPPASS, 's', "Password for 'user'"},
716 {"srp_lateuser", OPT_SRP_LATEUSER, '-',
717 "SRP username into second ClientHello message"},
718 {"srp_moregroups", OPT_SRP_MOREGROUPS, '-',
719 "Tolerate other than the known g N values."},
720 {"srp_strength", OPT_SRP_STRENGTH, 'p', "Minimal length in bits for N"},
722 #ifndef OPENSSL_NO_NEXTPROTONEG
723 {"nextprotoneg", OPT_NEXTPROTONEG, 's',
724 "Enable NPN extension, considering named protocols supported (comma-separated list)"},
726 #ifndef OPENSSL_NO_ENGINE
727 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
728 {"ssl_client_engine", OPT_SSL_CLIENT_ENGINE, 's',
729 "Specify engine to be used for client certificate operations"},
731 #ifndef OPENSSL_NO_CT
732 {"ct", OPT_CT, '-', "Request and parse SCTs (also enables OCSP stapling)"},
733 {"noct", OPT_NOCT, '-', "Do not request or parse SCTs (default)"},
734 {"ctlogfile", OPT_CTLOG_FILE, '<', "CT log list CONF file"},
736 {"keylogfile", OPT_KEYLOG_FILE, '>', "Write TLS secrets to file"},
737 {"early_data", OPT_EARLY_DATA, '<', "File to send as early data"},
738 {NULL, OPT_EOF, 0x00, NULL}
741 typedef enum PROTOCOL_choice {
759 static const OPT_PAIR services[] = {
760 {"smtp", PROTO_SMTP},
761 {"pop3", PROTO_POP3},
762 {"imap", PROTO_IMAP},
764 {"xmpp", PROTO_XMPP},
765 {"xmpp-server", PROTO_XMPP_SERVER},
766 {"telnet", PROTO_TELNET},
768 {"postgres", PROTO_POSTGRES},
769 {"lmtp", PROTO_LMTP},
770 {"nntp", PROTO_NNTP},
771 {"sieve", PROTO_SIEVE},
772 {"ldap", PROTO_LDAP},
776 #define IS_INET_FLAG(o) \
777 (o == OPT_4 || o == OPT_6 || o == OPT_HOST || o == OPT_PORT || o == OPT_CONNECT)
778 #define IS_UNIX_FLAG(o) (o == OPT_UNIX)
780 #define IS_PROT_FLAG(o) \
781 (o == OPT_SSL3 || o == OPT_TLS1 || o == OPT_TLS1_1 || o == OPT_TLS1_2 \
782 || o == OPT_TLS1_3 || o == OPT_DTLS || o == OPT_DTLS1 || o == OPT_DTLS1_2)
784 /* Free |*dest| and optionally set it to a copy of |source|. */
785 static void freeandcopy(char **dest, const char *source)
790 *dest = OPENSSL_strdup(source);
793 static int new_session_cb(SSL *S, SSL_SESSION *sess)
795 BIO *stmp = BIO_new_file(sess_out, "w");
798 BIO_printf(bio_err, "Error writing session file %s\n", sess_out);
800 PEM_write_bio_SSL_SESSION(stmp, sess);
805 * We always return a "fail" response so that the session gets freed again
806 * because we haven't used the reference.
811 int s_client_main(int argc, char **argv)
814 EVP_PKEY *key = NULL;
817 STACK_OF(X509) *chain = NULL;
819 X509_VERIFY_PARAM *vpm = NULL;
820 SSL_EXCERT *exc = NULL;
821 SSL_CONF_CTX *cctx = NULL;
822 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
823 char *dane_tlsa_domain = NULL;
824 STACK_OF(OPENSSL_STRING) *dane_tlsa_rrset = NULL;
825 int dane_ee_no_name = 0;
826 STACK_OF(X509_CRL) *crls = NULL;
827 const SSL_METHOD *meth = TLS_client_method();
828 const char *CApath = NULL, *CAfile = NULL;
829 char *cbuf = NULL, *sbuf = NULL;
830 char *mbuf = NULL, *proxystr = NULL, *connectstr = NULL;
831 char *cert_file = NULL, *key_file = NULL, *chain_file = NULL;
832 char *chCApath = NULL, *chCAfile = NULL, *host = NULL;
833 char *port = OPENSSL_strdup(PORT);
835 char *passarg = NULL, *pass = NULL, *vfyCApath = NULL, *vfyCAfile = NULL;
836 char *ReqCAfile = NULL;
837 char *sess_in = NULL, *crl_file = NULL, *p;
838 char *xmpphost = NULL;
839 const char *ehlo = "mail.example.com";
840 struct timeval timeout, *timeoutp;
841 fd_set readfds, writefds;
842 int noCApath = 0, noCAfile = 0;
843 int build_chain = 0, cbuf_len, cbuf_off, cert_format = FORMAT_PEM;
844 int key_format = FORMAT_PEM, crlf = 0, full_log = 1, mbuf_len = 0;
847 int reconnect = 0, verify = SSL_VERIFY_NONE, vpmtouched = 0;
848 int ret = 1, in_init = 1, i, nbio_test = 0, s = -1, k, width, state = 0;
849 int sbuf_len, sbuf_off, cmdletters = 1;
850 int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM;
851 int starttls_proto = PROTO_OFF, crl_format = FORMAT_PEM, crl_download = 0;
852 int write_tty, read_tty, write_ssl, read_ssl, tty_on, ssl_pending;
853 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
856 int read_buf_len = 0;
857 int fallback_scsv = 0;
860 #ifndef OPENSSL_NO_DTLS
861 int enable_timeouts = 0;
864 #ifndef OPENSSL_NO_ENGINE
865 ENGINE *ssl_client_engine = NULL;
868 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
871 char *servername = NULL;
872 const char *alpn_in = NULL;
873 tlsextctx tlsextcbp = { NULL, 0 };
874 const char *ssl_config = NULL;
875 #define MAX_SI_TYPES 100
876 unsigned short serverinfo_types[MAX_SI_TYPES];
877 int serverinfo_count = 0, start = 0, len;
878 #ifndef OPENSSL_NO_NEXTPROTONEG
879 const char *next_proto_neg_in = NULL;
881 #ifndef OPENSSL_NO_SRP
882 char *srppass = NULL;
883 int srp_lateuser = 0;
884 SRP_ARG srp_arg = { NULL, NULL, 0, 0, 0, 1024 };
886 #ifndef OPENSSL_NO_CT
887 char *ctlog_file = NULL;
888 int ct_validation = 0;
890 int min_version = 0, max_version = 0, prot_opt = 0, no_prot_opt = 0;
892 unsigned int split_send_fragment = 0;
893 unsigned int max_pipelines = 0;
894 enum { use_inet, use_unix, use_unknown } connect_type = use_unknown;
896 int c_nbio = 0, c_msg = 0, c_ign_eof = 0, c_brief = 0;
897 int c_tlsextdebug = 0;
898 #ifndef OPENSSL_NO_OCSP
899 int c_status_req = 0;
901 BIO *bio_c_msg = NULL;
902 const char *keylog_file = NULL, *early_data_file = NULL;
906 /* Known false-positive of MemorySanitizer. */
907 #if defined(__has_feature)
908 # if __has_feature(memory_sanitizer)
909 __msan_unpoison(&readfds, sizeof(readfds));
910 __msan_unpoison(&writefds, sizeof(writefds));
914 prog = opt_progname(argv[0]);
919 vpm = X509_VERIFY_PARAM_new();
920 cctx = SSL_CONF_CTX_new();
922 if (vpm == NULL || cctx == NULL) {
923 BIO_printf(bio_err, "%s: out of memory\n", prog);
927 cbuf = app_malloc(BUFSIZZ, "cbuf");
928 sbuf = app_malloc(BUFSIZZ, "sbuf");
929 mbuf = app_malloc(BUFSIZZ, "mbuf");
931 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT | SSL_CONF_FLAG_CMDLINE);
933 prog = opt_init(argc, argv, s_client_options);
934 while ((o = opt_next()) != OPT_EOF) {
935 /* Check for intermixing flags. */
936 if (connect_type == use_unix && IS_INET_FLAG(o)) {
938 "%s: Intermixed protocol flags (unix and internet domains)\n",
942 if (connect_type == use_inet && IS_UNIX_FLAG(o)) {
944 "%s: Intermixed protocol flags (internet and unix domains)\n",
949 if (IS_PROT_FLAG(o) && ++prot_opt > 1) {
950 BIO_printf(bio_err, "Cannot supply multiple protocol flags\n");
953 if (IS_NO_PROT_FLAG(o))
955 if (prot_opt == 1 && no_prot_opt) {
957 "Cannot supply both a protocol flag and '-no_<prot>'\n");
965 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
968 opt_help(s_client_options);
972 connect_type = use_inet;
973 socket_family = AF_INET;
978 connect_type = use_inet;
979 socket_family = AF_INET6;
984 connect_type = use_inet;
985 freeandcopy(&host, opt_arg());
988 connect_type = use_inet;
989 freeandcopy(&port, opt_arg());
992 connect_type = use_inet;
993 freeandcopy(&connectstr, opt_arg());
996 proxystr = opt_arg();
997 starttls_proto = PROTO_CONNECT;
1001 connect_type = use_unix;
1002 socket_family = AF_UNIX;
1003 freeandcopy(&host, opt_arg());
1007 xmpphost = opt_arg();
1013 verify = SSL_VERIFY_PEER;
1014 verify_args.depth = atoi(opt_arg());
1016 BIO_printf(bio_err, "verify depth is %d\n", verify_args.depth);
1019 cert_file = opt_arg();
1022 if (!set_nameopt(opt_arg()))
1026 crl_file = opt_arg();
1028 case OPT_CRL_DOWNLOAD:
1032 sess_out = opt_arg();
1035 sess_in = opt_arg();
1038 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &cert_format))
1042 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
1045 case OPT_VERIFY_RET_ERROR:
1046 verify_args.return_error = 1;
1048 case OPT_VERIFY_QUIET:
1049 verify_args.quiet = 1;
1052 c_brief = verify_args.quiet = c_quiet = 1;
1055 if (ssl_args == NULL)
1056 ssl_args = sk_OPENSSL_STRING_new_null();
1057 if (ssl_args == NULL
1058 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
1059 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
1060 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1065 if (!opt_verify(o, vpm))
1070 if (!args_excert(o, &exc))
1080 c_quiet = c_ign_eof = 1;
1089 e = setup_engine(opt_arg(), 1);
1091 case OPT_SSL_CLIENT_ENGINE:
1092 #ifndef OPENSSL_NO_ENGINE
1093 ssl_client_engine = ENGINE_by_id(opt_arg());
1094 if (ssl_client_engine == NULL) {
1095 BIO_printf(bio_err, "Error getting client auth engine\n");
1106 case OPT_NO_IGN_EOF:
1112 case OPT_TLSEXTDEBUG:
1116 #ifndef OPENSSL_NO_OCSP
1129 bio_c_msg = BIO_new_file(opt_arg(), "w");
1132 #ifndef OPENSSL_NO_SSL_TRACE
1136 case OPT_SECURITY_DEBUG:
1139 case OPT_SECURITY_DEBUG_VERBOSE:
1151 #ifndef OPENSSL_NO_PSK
1152 case OPT_PSK_IDENTITY:
1153 psk_identity = opt_arg();
1156 for (p = psk_key = opt_arg(); *p; p++) {
1157 if (isxdigit(_UC(*p)))
1159 BIO_printf(bio_err, "Not a hex number '%s'\n", psk_key);
1164 #ifndef OPENSSL_NO_SRP
1166 srp_arg.srplogin = opt_arg();
1167 if (min_version < TLS1_VERSION)
1168 min_version = TLS1_VERSION;
1171 srppass = opt_arg();
1172 if (min_version < TLS1_VERSION)
1173 min_version = TLS1_VERSION;
1175 case OPT_SRP_STRENGTH:
1176 srp_arg.strength = atoi(opt_arg());
1177 BIO_printf(bio_err, "SRP minimal length for N is %d\n",
1179 if (min_version < TLS1_VERSION)
1180 min_version = TLS1_VERSION;
1182 case OPT_SRP_LATEUSER:
1184 if (min_version < TLS1_VERSION)
1185 min_version = TLS1_VERSION;
1187 case OPT_SRP_MOREGROUPS:
1189 if (min_version < TLS1_VERSION)
1190 min_version = TLS1_VERSION;
1193 case OPT_SSL_CONFIG:
1194 ssl_config = opt_arg();
1197 min_version = SSL3_VERSION;
1198 max_version = SSL3_VERSION;
1201 min_version = TLS1_3_VERSION;
1202 max_version = TLS1_3_VERSION;
1205 min_version = TLS1_2_VERSION;
1206 max_version = TLS1_2_VERSION;
1209 min_version = TLS1_1_VERSION;
1210 max_version = TLS1_1_VERSION;
1213 min_version = TLS1_VERSION;
1214 max_version = TLS1_VERSION;
1217 #ifndef OPENSSL_NO_DTLS
1218 meth = DTLS_client_method();
1219 socket_type = SOCK_DGRAM;
1223 #ifndef OPENSSL_NO_DTLS1
1224 meth = DTLS_client_method();
1225 min_version = DTLS1_VERSION;
1226 max_version = DTLS1_VERSION;
1227 socket_type = SOCK_DGRAM;
1231 #ifndef OPENSSL_NO_DTLS1_2
1232 meth = DTLS_client_method();
1233 min_version = DTLS1_2_VERSION;
1234 max_version = DTLS1_2_VERSION;
1235 socket_type = SOCK_DGRAM;
1239 #ifndef OPENSSL_NO_DTLS
1240 enable_timeouts = 1;
1244 #ifndef OPENSSL_NO_DTLS
1245 socket_mtu = atol(opt_arg());
1248 case OPT_FALLBACKSCSV:
1252 if (!opt_format(opt_arg(), OPT_FMT_PDE, &key_format))
1256 passarg = opt_arg();
1258 case OPT_CERT_CHAIN:
1259 chain_file = opt_arg();
1262 key_file = opt_arg();
1273 case OPT_CHAINCAPATH:
1274 chCApath = opt_arg();
1276 case OPT_VERIFYCAPATH:
1277 vfyCApath = opt_arg();
1279 case OPT_BUILD_CHAIN:
1283 ReqCAfile = opt_arg();
1291 #ifndef OPENSSL_NO_CT
1298 case OPT_CTLOG_FILE:
1299 ctlog_file = opt_arg();
1302 case OPT_CHAINCAFILE:
1303 chCAfile = opt_arg();
1305 case OPT_VERIFYCAFILE:
1306 vfyCAfile = opt_arg();
1308 case OPT_DANE_TLSA_DOMAIN:
1309 dane_tlsa_domain = opt_arg();
1311 case OPT_DANE_TLSA_RRDATA:
1312 if (dane_tlsa_rrset == NULL)
1313 dane_tlsa_rrset = sk_OPENSSL_STRING_new_null();
1314 if (dane_tlsa_rrset == NULL ||
1315 !sk_OPENSSL_STRING_push(dane_tlsa_rrset, opt_arg())) {
1316 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1320 case OPT_DANE_EE_NO_NAME:
1321 dane_ee_no_name = 1;
1323 case OPT_NEXTPROTONEG:
1324 #ifndef OPENSSL_NO_NEXTPROTONEG
1325 next_proto_neg_in = opt_arg();
1329 alpn_in = opt_arg();
1331 case OPT_SERVERINFO:
1334 for (start = 0, i = 0; i <= len; ++i) {
1335 if (i == len || p[i] == ',') {
1336 serverinfo_types[serverinfo_count] = atoi(p + start);
1337 if (++serverinfo_count == MAX_SI_TYPES)
1344 if (!opt_pair(opt_arg(), services, &starttls_proto))
1347 case OPT_SERVERNAME:
1348 servername = opt_arg();
1351 srtp_profiles = opt_arg();
1353 case OPT_KEYMATEXPORT:
1354 keymatexportlabel = opt_arg();
1356 case OPT_KEYMATEXPORTLEN:
1357 keymatexportlen = atoi(opt_arg());
1362 case OPT_SPLIT_SEND_FRAG:
1363 split_send_fragment = atoi(opt_arg());
1364 if (split_send_fragment == 0) {
1366 * Not allowed - set to a deliberately bad value so we get an
1367 * error message below
1369 split_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH + 1;
1372 case OPT_MAX_PIPELINES:
1373 max_pipelines = atoi(opt_arg());
1376 read_buf_len = atoi(opt_arg());
1378 case OPT_KEYLOG_FILE:
1379 keylog_file = opt_arg();
1381 case OPT_EARLY_DATA:
1382 early_data_file = opt_arg();
1386 if (count4or6 >= 2) {
1387 BIO_printf(bio_err, "%s: Can't use both -4 and -6\n", prog);
1390 argc = opt_num_rest();
1396 char *tmp_host = host, *tmp_port = port;
1397 if (connectstr == NULL) {
1398 BIO_printf(bio_err, "%s: -proxy requires use of -connect\n", prog);
1401 res = BIO_parse_hostserv(proxystr, &host, &port, BIO_PARSE_PRIO_HOST);
1402 if (tmp_host != host)
1403 OPENSSL_free(tmp_host);
1404 if (tmp_port != port)
1405 OPENSSL_free(tmp_port);
1408 "%s: -proxy argument malformed or ambiguous\n", prog);
1413 char *tmp_host = host, *tmp_port = port;
1414 if (connectstr != NULL)
1415 res = BIO_parse_hostserv(connectstr, &host, &port,
1416 BIO_PARSE_PRIO_HOST);
1417 if (tmp_host != host)
1418 OPENSSL_free(tmp_host);
1419 if (tmp_port != port)
1420 OPENSSL_free(tmp_port);
1423 "%s: -connect argument malformed or ambiguous\n",
1429 if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) {
1431 "Can't use unix sockets and datagrams together\n");
1435 if (split_send_fragment > SSL3_RT_MAX_PLAIN_LENGTH) {
1436 BIO_printf(bio_err, "Bad split send fragment size\n");
1440 if (max_pipelines > SSL_MAX_PIPELINES) {
1441 BIO_printf(bio_err, "Bad max pipelines value\n");
1445 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1446 next_proto.status = -1;
1447 if (next_proto_neg_in) {
1449 next_protos_parse(&next_proto.len, next_proto_neg_in);
1450 if (next_proto.data == NULL) {
1451 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n");
1455 next_proto.data = NULL;
1458 if (!app_passwd(passarg, NULL, &pass, NULL)) {
1459 BIO_printf(bio_err, "Error getting password\n");
1463 if (key_file == NULL)
1464 key_file = cert_file;
1467 key = load_key(key_file, key_format, 0, pass, e,
1468 "client certificate private key file");
1470 ERR_print_errors(bio_err);
1476 cert = load_cert(cert_file, cert_format, "client certificate file");
1478 ERR_print_errors(bio_err);
1484 if (!load_certs(chain_file, &chain, FORMAT_PEM, NULL,
1485 "client certificate chain"))
1491 crl = load_crl(crl_file, crl_format);
1493 BIO_puts(bio_err, "Error loading CRL\n");
1494 ERR_print_errors(bio_err);
1497 crls = sk_X509_CRL_new_null();
1498 if (crls == NULL || !sk_X509_CRL_push(crls, crl)) {
1499 BIO_puts(bio_err, "Error adding CRL\n");
1500 ERR_print_errors(bio_err);
1506 if (!load_excert(&exc))
1509 if (!app_RAND_load_file(NULL, 1) && inrand == NULL
1510 && !RAND_status()) {
1512 "warning, not much extra random data, consider using the -rand option\n");
1514 if (inrand != NULL) {
1515 randamt = app_RAND_load_files(inrand);
1516 BIO_printf(bio_err, "%ld semi-random bytes loaded\n", randamt);
1519 if (bio_c_out == NULL) {
1520 if (c_quiet && !c_debug) {
1521 bio_c_out = BIO_new(BIO_s_null());
1522 if (c_msg && !bio_c_msg)
1523 bio_c_msg = dup_bio_out(FORMAT_TEXT);
1524 } else if (bio_c_out == NULL)
1525 bio_c_out = dup_bio_out(FORMAT_TEXT);
1527 #ifndef OPENSSL_NO_SRP
1528 if (!app_passwd(srppass, NULL, &srp_arg.srppassin, NULL)) {
1529 BIO_printf(bio_err, "Error getting password\n");
1534 ctx = SSL_CTX_new(meth);
1536 ERR_print_errors(bio_err);
1541 ssl_ctx_security_debug(ctx, sdebug);
1544 if (SSL_CTX_config(ctx, ssl_config) == 0) {
1545 BIO_printf(bio_err, "Error using configuration \"%s\"\n",
1547 ERR_print_errors(bio_err);
1552 if (SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
1554 if (SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
1557 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
1558 BIO_printf(bio_err, "Error setting verify params\n");
1559 ERR_print_errors(bio_err);
1564 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
1566 if (split_send_fragment > 0) {
1567 SSL_CTX_set_split_send_fragment(ctx, split_send_fragment);
1569 if (max_pipelines > 0) {
1570 SSL_CTX_set_max_pipelines(ctx, max_pipelines);
1573 if (read_buf_len > 0) {
1574 SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len);
1577 if (!config_ctx(cctx, ssl_args, ctx))
1580 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1581 crls, crl_download)) {
1582 BIO_printf(bio_err, "Error loading store locations\n");
1583 ERR_print_errors(bio_err);
1586 if (ReqCAfile != NULL) {
1587 STACK_OF(X509_NAME) *nm = sk_X509_NAME_new_null();
1589 if (nm == NULL || !SSL_add_file_cert_subjects_to_stack(nm, ReqCAfile)) {
1590 sk_X509_NAME_pop_free(nm, X509_NAME_free);
1591 BIO_printf(bio_err, "Error loading CA names\n");
1592 ERR_print_errors(bio_err);
1595 SSL_CTX_set0_CA_list(ctx, nm);
1597 #ifndef OPENSSL_NO_ENGINE
1598 if (ssl_client_engine) {
1599 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine)) {
1600 BIO_puts(bio_err, "Error setting client auth engine\n");
1601 ERR_print_errors(bio_err);
1602 ENGINE_free(ssl_client_engine);
1605 ENGINE_free(ssl_client_engine);
1609 #ifndef OPENSSL_NO_PSK
1610 if (psk_key != NULL) {
1612 BIO_printf(bio_c_out, "PSK key given, setting client callback\n");
1613 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
1616 #ifndef OPENSSL_NO_SRTP
1617 if (srtp_profiles != NULL) {
1618 /* Returns 0 on success! */
1619 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
1620 BIO_printf(bio_err, "Error setting SRTP profile\n");
1621 ERR_print_errors(bio_err);
1628 ssl_ctx_set_excert(ctx, exc);
1630 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1631 if (next_proto.data)
1632 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
1636 unsigned char *alpn = next_protos_parse(&alpn_len, alpn_in);
1639 BIO_printf(bio_err, "Error parsing -alpn argument\n");
1642 /* Returns 0 on success! */
1643 if (SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len) != 0) {
1644 BIO_printf(bio_err, "Error setting ALPN\n");
1650 for (i = 0; i < serverinfo_count; i++) {
1651 if (!SSL_CTX_add_client_custom_ext(ctx,
1652 serverinfo_types[i],
1654 serverinfo_cli_parse_cb, NULL)) {
1656 "Warning: Unable to add custom extension %u, skipping\n",
1657 serverinfo_types[i]);
1662 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1664 #ifndef OPENSSL_NO_CT
1665 /* Enable SCT processing, without early connection termination */
1666 if (ct_validation &&
1667 !SSL_CTX_enable_ct(ctx, SSL_CT_VALIDATION_PERMISSIVE)) {
1668 ERR_print_errors(bio_err);
1672 if (!ctx_set_ctlog_list_file(ctx, ctlog_file)) {
1673 if (ct_validation) {
1674 ERR_print_errors(bio_err);
1679 * If CT validation is not enabled, the log list isn't needed so don't
1680 * show errors or abort. We try to load it regardless because then we
1681 * can show the names of the logs any SCTs came from (SCTs may be seen
1682 * even with validation disabled).
1688 SSL_CTX_set_verify(ctx, verify, verify_callback);
1690 if (!ctx_set_verify_locations(ctx, CAfile, CApath, noCAfile, noCApath)) {
1691 ERR_print_errors(bio_err);
1695 ssl_ctx_add_crls(ctx, crls, crl_download);
1697 if (!set_cert_key_stuff(ctx, cert, key, chain, build_chain))
1700 if (servername != NULL) {
1701 tlsextcbp.biodebug = bio_err;
1702 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1703 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1705 # ifndef OPENSSL_NO_SRP
1706 if (srp_arg.srplogin) {
1707 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin)) {
1708 BIO_printf(bio_err, "Unable to set SRP username\n");
1711 srp_arg.msg = c_msg;
1712 srp_arg.debug = c_debug;
1713 SSL_CTX_set_srp_cb_arg(ctx, &srp_arg);
1714 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb);
1715 SSL_CTX_set_srp_strength(ctx, srp_arg.strength);
1716 if (c_msg || c_debug || srp_arg.amp == 0)
1717 SSL_CTX_set_srp_verify_param_callback(ctx,
1718 ssl_srp_verify_param_cb);
1722 if (dane_tlsa_domain != NULL) {
1723 if (SSL_CTX_dane_enable(ctx) <= 0) {
1725 "%s: Error enabling DANE TLSA authentication.\n",
1727 ERR_print_errors(bio_err);
1733 * In TLSv1.3 NewSessionTicket messages arrive after the handshake and can
1734 * come at any time. Therefore we use a callback to write out the session
1735 * when we know about it. This approach works for < TLSv1.3 as well.
1738 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_CLIENT
1739 | SSL_SESS_CACHE_NO_INTERNAL_STORE);
1740 SSL_CTX_sess_set_new_cb(ctx, new_session_cb);
1743 if (set_keylog_file(ctx, keylog_file))
1749 BIO *stmp = BIO_new_file(sess_in, "r");
1751 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1752 ERR_print_errors(bio_err);
1755 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1758 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1759 ERR_print_errors(bio_err);
1762 if (!SSL_set_session(con, sess)) {
1763 BIO_printf(bio_err, "Can't set session\n");
1764 ERR_print_errors(bio_err);
1767 SSL_SESSION_free(sess);
1771 SSL_set_mode(con, SSL_MODE_SEND_FALLBACK_SCSV);
1773 if (servername != NULL) {
1774 if (!SSL_set_tlsext_host_name(con, servername)) {
1775 BIO_printf(bio_err, "Unable to set TLS servername extension.\n");
1776 ERR_print_errors(bio_err);
1781 if (dane_tlsa_domain != NULL) {
1782 if (SSL_dane_enable(con, dane_tlsa_domain) <= 0) {
1783 BIO_printf(bio_err, "%s: Error enabling DANE TLSA "
1784 "authentication.\n", prog);
1785 ERR_print_errors(bio_err);
1788 if (dane_tlsa_rrset == NULL) {
1789 BIO_printf(bio_err, "%s: DANE TLSA authentication requires at "
1790 "least one -dane_tlsa_rrdata option.\n", prog);
1793 if (tlsa_import_rrset(con, dane_tlsa_rrset) <= 0) {
1794 BIO_printf(bio_err, "%s: Failed to import any TLSA "
1795 "records.\n", prog);
1798 if (dane_ee_no_name)
1799 SSL_dane_set_flags(con, DANE_FLAG_NO_DANE_EE_NAMECHECKS);
1800 } else if (dane_tlsa_rrset != NULL) {
1801 BIO_printf(bio_err, "%s: DANE TLSA authentication requires the "
1802 "-dane_tlsa_domain option.\n", prog);
1807 if (init_client(&s, host, port, socket_family, socket_type) == 0) {
1808 BIO_printf(bio_err, "connect:errno=%d\n", get_last_socket_error());
1812 BIO_printf(bio_c_out, "CONNECTED(%08X)\n", s);
1815 if (!BIO_socket_nbio(s, 1)) {
1816 ERR_print_errors(bio_err);
1819 BIO_printf(bio_c_out, "Turned on non blocking io\n");
1821 #ifndef OPENSSL_NO_DTLS
1822 if (socket_type == SOCK_DGRAM) {
1823 union BIO_sock_info_u peer_info;
1825 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
1826 if ((peer_info.addr = BIO_ADDR_new()) == NULL) {
1827 BIO_printf(bio_err, "memory allocation failure\n");
1831 if (!BIO_sock_info(s, BIO_SOCK_INFO_ADDRESS, &peer_info)) {
1832 BIO_printf(bio_err, "getsockname:errno=%d\n",
1833 get_last_socket_error());
1834 BIO_ADDR_free(peer_info.addr);
1839 (void)BIO_ctrl_set_connected(sbio, peer_info.addr);
1840 BIO_ADDR_free(peer_info.addr);
1841 peer_info.addr = NULL;
1843 if (enable_timeouts) {
1845 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1846 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1849 timeout.tv_usec = DGRAM_SND_TIMEOUT;
1850 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1854 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
1855 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
1856 DTLS_get_link_min_mtu(con));
1860 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1861 if (!DTLS_set_link_mtu(con, socket_mtu)) {
1862 BIO_printf(bio_err, "Failed to set MTU\n");
1867 /* want to do MTU discovery */
1868 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1870 #endif /* OPENSSL_NO_DTLS */
1871 sbio = BIO_new_socket(s, BIO_NOCLOSE);
1876 test = BIO_new(BIO_f_nbio_test());
1877 sbio = BIO_push(test, sbio);
1881 BIO_set_callback(sbio, bio_dump_callback);
1882 BIO_set_callback_arg(sbio, (char *)bio_c_out);
1885 #ifndef OPENSSL_NO_SSL_TRACE
1887 SSL_set_msg_callback(con, SSL_trace);
1890 SSL_set_msg_callback(con, msg_cb);
1891 SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out);
1894 if (c_tlsextdebug) {
1895 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1896 SSL_set_tlsext_debug_arg(con, bio_c_out);
1898 #ifndef OPENSSL_NO_OCSP
1900 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
1901 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
1902 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
1906 SSL_set_bio(con, sbio, sbio);
1907 SSL_set_connect_state(con);
1909 /* ok, lets connect */
1910 if (fileno_stdin() > SSL_get_fd(con))
1911 width = fileno_stdin() + 1;
1913 width = SSL_get_fd(con) + 1;
1926 switch ((PROTOCOL_CHOICE) starttls_proto) {
1933 * This is an ugly hack that does a lot of assumptions. We do
1934 * have to handle multi-line responses which may come in a single
1935 * packet or not. We therefore have to use BIO_gets() which does
1936 * need a buffering BIO. So during the initial chitchat we do
1937 * push a buffering BIO into the chain that is removed again
1938 * later on to not disturb the rest of the s_client operation.
1941 BIO *fbio = BIO_new(BIO_f_buffer());
1943 BIO_push(fbio, sbio);
1944 /* Wait for multi-line response to end from LMTP or SMTP */
1946 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1947 } while (mbuf_len > 3 && mbuf[3] == '-');
1948 if (starttls_proto == (int)PROTO_LMTP)
1949 BIO_printf(fbio, "LHLO %s\r\n", ehlo);
1951 BIO_printf(fbio, "EHLO %s\r\n", ehlo);
1952 (void)BIO_flush(fbio);
1954 * Wait for multi-line response to end LHLO LMTP or EHLO SMTP
1958 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1959 if (strstr(mbuf, "STARTTLS"))
1961 } while (mbuf_len > 3 && mbuf[3] == '-');
1962 (void)BIO_flush(fbio);
1967 "Didn't find STARTTLS in server response,"
1968 " trying anyway...\n");
1969 BIO_printf(sbio, "STARTTLS\r\n");
1970 BIO_read(sbio, sbuf, BUFSIZZ);
1975 BIO_read(sbio, mbuf, BUFSIZZ);
1976 BIO_printf(sbio, "STLS\r\n");
1977 mbuf_len = BIO_read(sbio, sbuf, BUFSIZZ);
1979 BIO_printf(bio_err, "BIO_read failed\n");
1987 BIO *fbio = BIO_new(BIO_f_buffer());
1989 BIO_push(fbio, sbio);
1990 BIO_gets(fbio, mbuf, BUFSIZZ);
1991 /* STARTTLS command requires CAPABILITY... */
1992 BIO_printf(fbio, ". CAPABILITY\r\n");
1993 (void)BIO_flush(fbio);
1994 /* wait for multi-line CAPABILITY response */
1996 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1997 if (strstr(mbuf, "STARTTLS"))
2000 while (mbuf_len > 3 && mbuf[0] != '.');
2001 (void)BIO_flush(fbio);
2006 "Didn't find STARTTLS in server response,"
2007 " trying anyway...\n");
2008 BIO_printf(sbio, ". STARTTLS\r\n");
2009 BIO_read(sbio, sbuf, BUFSIZZ);
2014 BIO *fbio = BIO_new(BIO_f_buffer());
2016 BIO_push(fbio, sbio);
2017 /* wait for multi-line response to end from FTP */
2019 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2021 while (mbuf_len > 3 && mbuf[3] == '-');
2022 (void)BIO_flush(fbio);
2025 BIO_printf(sbio, "AUTH TLS\r\n");
2026 BIO_read(sbio, sbuf, BUFSIZZ);
2030 case PROTO_XMPP_SERVER:
2033 BIO_printf(sbio, "<stream:stream "
2034 "xmlns:stream='http://etherx.jabber.org/streams' "
2035 "xmlns='jabber:%s' to='%s' version='1.0'>",
2036 starttls_proto == PROTO_XMPP ? "client" : "server",
2037 xmpphost ? xmpphost : host);
2038 seen = BIO_read(sbio, mbuf, BUFSIZZ);
2040 BIO_printf(bio_err, "BIO_read failed\n");
2045 (mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")
2047 "<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\""))
2049 seen = BIO_read(sbio, mbuf, BUFSIZZ);
2057 "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
2058 seen = BIO_read(sbio, sbuf, BUFSIZZ);
2060 BIO_printf(bio_err, "BIO_read failed\n");
2064 if (!strstr(sbuf, "<proceed"))
2071 static const unsigned char tls_do[] = {
2072 /* IAC DO START_TLS */
2075 static const unsigned char tls_will[] = {
2076 /* IAC WILL START_TLS */
2079 static const unsigned char tls_follows[] = {
2080 /* IAC SB START_TLS FOLLOWS IAC SE */
2081 255, 250, 46, 1, 255, 240
2085 /* Telnet server should demand we issue START_TLS */
2086 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
2087 if (bytes != 3 || memcmp(mbuf, tls_do, 3) != 0)
2089 /* Agree to issue START_TLS and send the FOLLOWS sub-command */
2090 BIO_write(sbio, tls_will, 3);
2091 BIO_write(sbio, tls_follows, 6);
2092 (void)BIO_flush(sbio);
2093 /* Telnet server also sent the FOLLOWS sub-command */
2094 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
2095 if (bytes != 6 || memcmp(mbuf, tls_follows, 6) != 0)
2102 error_proto, /* Wrong protocol, not even HTTP */
2103 error_connect, /* CONNECT failed */
2105 } foundit = error_connect;
2106 BIO *fbio = BIO_new(BIO_f_buffer());
2108 BIO_push(fbio, sbio);
2109 BIO_printf(fbio, "CONNECT %s HTTP/1.0\r\n\r\n", connectstr);
2110 (void)BIO_flush(fbio);
2112 * The first line is the HTTP response. According to RFC 7230,
2113 * it's formated exactly like this:
2115 * HTTP/d.d ddd Reason text\r\n
2117 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2118 if (mbuf[8] != ' ') {
2120 "%s: HTTP CONNECT failed, incorrect response "
2121 "from proxy\n", prog);
2122 foundit = error_proto;
2123 } else if (mbuf[9] != '2') {
2124 BIO_printf(bio_err, "%s: HTTP CONNECT failed: %s ", prog,
2129 if (foundit != error_proto) {
2130 /* Read past all following headers */
2132 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2133 } while (mbuf_len > 2);
2135 (void)BIO_flush(fbio);
2138 if (foundit != success) {
2146 BIO *fbio = BIO_new(BIO_f_buffer());
2148 BIO_push(fbio, sbio);
2149 BIO_printf(fbio, "STARTTLS\r\n");
2150 (void)BIO_flush(fbio);
2151 width = SSL_get_fd(con) + 1;
2157 openssl_fdset(SSL_get_fd(con), &readfds);
2158 timeout.tv_sec = S_CLIENT_IRC_READ_TIMEOUT;
2159 timeout.tv_usec = 0;
2161 * If the IRCd doesn't respond within
2162 * S_CLIENT_IRC_READ_TIMEOUT seconds, assume
2163 * it doesn't support STARTTLS. Many IRCds
2164 * will not give _any_ sort of response to a
2165 * STARTTLS command when it's not supported.
2167 if (!BIO_get_buffer_num_lines(fbio)
2168 && !BIO_pending(fbio)
2169 && !BIO_pending(sbio)
2170 && select(width, (void *)&readfds, NULL, NULL,
2173 "Timeout waiting for response (%d seconds).\n",
2174 S_CLIENT_IRC_READ_TIMEOUT);
2178 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2179 if (mbuf_len < 1 || sscanf(mbuf, "%*s %d", &numeric) != 1)
2181 /* :example.net 451 STARTTLS :You have not registered */
2182 /* :example.net 421 STARTTLS :Unknown command */
2183 if ((numeric == 451 || numeric == 421)
2184 && strstr(mbuf, "STARTTLS") != NULL) {
2185 BIO_printf(bio_err, "STARTTLS not supported: %s", mbuf);
2188 if (numeric == 691) {
2189 BIO_printf(bio_err, "STARTTLS negotiation failed: ");
2190 ERR_print_errors(bio_err);
2193 } while (numeric != 670);
2195 (void)BIO_flush(fbio);
2198 if (numeric != 670) {
2199 BIO_printf(bio_err, "Server does not support STARTTLS.\n");
2205 case PROTO_POSTGRES:
2207 static const unsigned char ssl_request[] = {
2208 /* Length SSLRequest */
2209 0, 0, 0, 8, 4, 210, 22, 47
2213 /* Send SSLRequest packet */
2214 BIO_write(sbio, ssl_request, 8);
2215 (void)BIO_flush(sbio);
2217 /* Reply will be a single S if SSL is enabled */
2218 bytes = BIO_read(sbio, sbuf, BUFSIZZ);
2219 if (bytes != 1 || sbuf[0] != 'S')
2226 BIO *fbio = BIO_new(BIO_f_buffer());
2228 BIO_push(fbio, sbio);
2229 BIO_gets(fbio, mbuf, BUFSIZZ);
2230 /* STARTTLS command requires CAPABILITIES... */
2231 BIO_printf(fbio, "CAPABILITIES\r\n");
2232 (void)BIO_flush(fbio);
2233 /* wait for multi-line CAPABILITIES response */
2235 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2236 if (strstr(mbuf, "STARTTLS"))
2238 } while (mbuf_len > 1 && mbuf[0] != '.');
2239 (void)BIO_flush(fbio);
2244 "Didn't find STARTTLS in server response,"
2245 " trying anyway...\n");
2246 BIO_printf(sbio, "STARTTLS\r\n");
2247 mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ);
2249 BIO_printf(bio_err, "BIO_read failed\n");
2252 mbuf[mbuf_len] = '\0';
2253 if (strstr(mbuf, "382") == NULL) {
2254 BIO_printf(bio_err, "STARTTLS failed: %s", mbuf);
2262 BIO *fbio = BIO_new(BIO_f_buffer());
2264 BIO_push(fbio, sbio);
2265 /* wait for multi-line response to end from Sieve */
2267 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2269 * According to RFC 5804 § 1.7, capability
2270 * is case-insensitive, make it uppercase
2272 if (mbuf_len > 1 && mbuf[0] == '"') {
2273 make_uppercase(mbuf);
2274 if (strncmp(mbuf, "\"STARTTLS\"", 10) == 0)
2277 } while (mbuf_len > 1 && mbuf[0] == '"');
2278 (void)BIO_flush(fbio);
2283 "Didn't find STARTTLS in server response,"
2284 " trying anyway...\n");
2285 BIO_printf(sbio, "STARTTLS\r\n");
2286 mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ);
2288 BIO_printf(bio_err, "BIO_read failed\n");
2291 mbuf[mbuf_len] = '\0';
2293 BIO_printf(bio_err, "STARTTLS failed: %s", mbuf);
2297 * According to RFC 5804 § 2.2, response codes are case-
2298 * insensitive, make it uppercase but preserve the response.
2300 strncpy(sbuf, mbuf, 2);
2301 make_uppercase(sbuf);
2302 if (strncmp(sbuf, "OK", 2) != 0) {
2303 BIO_printf(bio_err, "STARTTLS not supported: %s", mbuf);
2310 /* StartTLS Operation according to RFC 4511 */
2311 static char ldap_tls_genconf[] = "asn1=SEQUENCE:LDAPMessage\n"
2313 "messageID=INTEGER:1\n"
2314 "extendedReq=EXPLICIT:23A,IMPLICIT:0C,"
2315 "FORMAT:ASCII,OCT:1.3.6.1.4.1.1466.20037\n";
2317 char *genstr = NULL;
2319 ASN1_TYPE *atyp = NULL;
2320 BIO *ldapbio = BIO_new(BIO_s_mem());
2321 CONF *cnf = NCONF_new(NULL);
2327 BIO_puts(ldapbio, ldap_tls_genconf);
2328 if (NCONF_load_bio(cnf, ldapbio, &errline) <= 0) {
2332 BIO_printf(bio_err, "NCONF_load_bio failed\n");
2335 BIO_printf(bio_err, "Error on line %ld\n", errline);
2340 genstr = NCONF_get_string(cnf, "default", "asn1");
2341 if (genstr == NULL) {
2343 BIO_printf(bio_err, "NCONF_get_string failed\n");
2346 atyp = ASN1_generate_nconf(genstr, cnf);
2349 BIO_printf(bio_err, "ASN1_generate_nconf failed\n");
2354 /* Send SSLRequest packet */
2355 BIO_write(sbio, atyp->value.sequence->data,
2356 atyp->value.sequence->length);
2357 (void)BIO_flush(sbio);
2358 ASN1_TYPE_free(atyp);
2360 mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ);
2362 BIO_printf(bio_err, "BIO_read failed\n");
2365 result = ldap_ExtendedResponse_parse(mbuf, mbuf_len);
2367 BIO_printf(bio_err, "ldap_ExtendedResponse_parse failed\n");
2369 } else if (result > 0) {
2370 BIO_printf(bio_err, "STARTTLS failed, LDAP Result Code: %i\n",
2379 if (early_data_file != NULL
2380 && SSL_get0_session(con) != NULL
2381 && SSL_SESSION_get_max_early_data(SSL_get0_session(con)) > 0) {
2382 BIO *edfile = BIO_new_file(early_data_file, "r");
2383 size_t readbytes, writtenbytes;
2386 if (edfile == NULL) {
2387 BIO_printf(bio_err, "Cannot open early data file\n");
2392 if (!BIO_read_ex(edfile, cbuf, BUFSIZZ, &readbytes))
2395 while (!SSL_write_early_data(con, cbuf, readbytes, &writtenbytes)) {
2396 switch (SSL_get_error(con, 0)) {
2397 case SSL_ERROR_WANT_WRITE:
2398 case SSL_ERROR_WANT_ASYNC:
2399 case SSL_ERROR_WANT_READ:
2400 /* Just keep trying - busy waiting */
2403 BIO_printf(bio_err, "Error writing early data\n");
2417 if ((SSL_version(con) == DTLS1_VERSION) &&
2418 DTLSv1_get_timeout(con, &timeout))
2419 timeoutp = &timeout;
2423 if (!SSL_is_init_finished(con) && SSL_total_renegotiations(con) == 0
2424 && SSL_get_key_update_type(con) == SSL_KEY_UPDATE_NONE) {
2432 if (servername != NULL && !SSL_session_reused(con)) {
2433 BIO_printf(bio_c_out,
2434 "Server did %sacknowledge servername extension.\n",
2435 tlsextcbp.ack ? "" : "not ");
2439 BIO_puts(bio_err, "CONNECTION ESTABLISHED\n");
2440 print_ssl_summary(con);
2443 print_stuff(bio_c_out, con, full_log);
2447 if (starttls_proto) {
2448 BIO_write(bio_err, mbuf, mbuf_len);
2449 /* We don't need to know any more */
2451 starttls_proto = PROTO_OFF;
2456 BIO_printf(bio_c_out,
2457 "drop connection and then reconnect\n");
2458 do_ssl_shutdown(con);
2459 SSL_set_connect_state(con);
2460 BIO_closesocket(SSL_get_fd(con));
2466 ssl_pending = read_ssl && SSL_has_pending(con);
2469 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
2472 * Note that select() returns when read _would not block_,
2473 * and EOF satisfies that. To avoid a CPU-hogging loop,
2474 * set the flag so we exit.
2476 if (read_tty && !at_eof)
2477 openssl_fdset(fileno_stdin(), &readfds);
2478 #if !defined(OPENSSL_SYS_VMS)
2480 openssl_fdset(fileno_stdout(), &writefds);
2484 openssl_fdset(SSL_get_fd(con), &readfds);
2486 openssl_fdset(SSL_get_fd(con), &writefds);
2488 if (!tty_on || !write_tty) {
2490 openssl_fdset(SSL_get_fd(con), &readfds);
2492 openssl_fdset(SSL_get_fd(con), &writefds);
2497 * Note: under VMS with SOCKETSHR the second parameter is
2498 * currently of type (int *) whereas under other systems it is
2499 * (void *) if you don't have a cast it will choke the compiler:
2500 * if you do have a cast then you can either go for (int *) or
2503 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2505 * Under Windows/DOS we make the assumption that we can always
2506 * write to the tty: therefore if we need to write to the tty we
2507 * just fall through. Otherwise we timeout the select every
2508 * second and see if there are any keypresses. Note: this is a
2509 * hack, in a proper Windows application we wouldn't do this.
2516 i = select(width, (void *)&readfds, (void *)&writefds,
2518 if (!i && (!has_stdin_waiting() || !read_tty))
2521 i = select(width, (void *)&readfds, (void *)&writefds,
2525 i = select(width, (void *)&readfds, (void *)&writefds,
2529 BIO_printf(bio_err, "bad select %d\n",
2530 get_last_socket_error());
2535 if ((SSL_version(con) == DTLS1_VERSION)
2536 && DTLSv1_handle_timeout(con) > 0) {
2537 BIO_printf(bio_err, "TIMEOUT occurred\n");
2540 if (!ssl_pending && FD_ISSET(SSL_get_fd(con), &writefds)) {
2541 k = SSL_write(con, &(cbuf[cbuf_off]), (unsigned int)cbuf_len);
2542 switch (SSL_get_error(con, k)) {
2543 case SSL_ERROR_NONE:
2548 /* we have done a write(con,NULL,0); */
2549 if (cbuf_len <= 0) {
2552 } else { /* if (cbuf_len > 0) */
2558 case SSL_ERROR_WANT_WRITE:
2559 BIO_printf(bio_c_out, "write W BLOCK\n");
2563 case SSL_ERROR_WANT_ASYNC:
2564 BIO_printf(bio_c_out, "write A BLOCK\n");
2565 wait_for_async(con);
2569 case SSL_ERROR_WANT_READ:
2570 BIO_printf(bio_c_out, "write R BLOCK\n");
2575 case SSL_ERROR_WANT_X509_LOOKUP:
2576 BIO_printf(bio_c_out, "write X BLOCK\n");
2578 case SSL_ERROR_ZERO_RETURN:
2579 if (cbuf_len != 0) {
2580 BIO_printf(bio_c_out, "shutdown\n");
2589 case SSL_ERROR_SYSCALL:
2590 if ((k != 0) || (cbuf_len != 0)) {
2591 BIO_printf(bio_err, "write:errno=%d\n",
2592 get_last_socket_error());
2599 case SSL_ERROR_WANT_ASYNC_JOB:
2600 /* This shouldn't ever happen in s_client - treat as an error */
2602 ERR_print_errors(bio_err);
2606 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_VMS)
2607 /* Assume Windows/DOS/BeOS can always write */
2608 else if (!ssl_pending && write_tty)
2610 else if (!ssl_pending && FD_ISSET(fileno_stdout(), &writefds))
2613 #ifdef CHARSET_EBCDIC
2614 ascii2ebcdic(&(sbuf[sbuf_off]), &(sbuf[sbuf_off]), sbuf_len);
2616 i = raw_write_stdout(&(sbuf[sbuf_off]), sbuf_len);
2619 BIO_printf(bio_c_out, "DONE\n");
2626 if (sbuf_len <= 0) {
2630 } else if (ssl_pending || FD_ISSET(SSL_get_fd(con), &readfds)) {
2635 SSL_renegotiate(con);
2640 k = SSL_read(con, sbuf, 1024 /* BUFSIZZ */ );
2642 switch (SSL_get_error(con, k)) {
2643 case SSL_ERROR_NONE:
2652 case SSL_ERROR_WANT_ASYNC:
2653 BIO_printf(bio_c_out, "read A BLOCK\n");
2654 wait_for_async(con);
2657 if ((read_tty == 0) && (write_ssl == 0))
2660 case SSL_ERROR_WANT_WRITE:
2661 BIO_printf(bio_c_out, "read W BLOCK\n");
2665 case SSL_ERROR_WANT_READ:
2666 BIO_printf(bio_c_out, "read R BLOCK\n");
2669 if ((read_tty == 0) && (write_ssl == 0))
2672 case SSL_ERROR_WANT_X509_LOOKUP:
2673 BIO_printf(bio_c_out, "read X BLOCK\n");
2675 case SSL_ERROR_SYSCALL:
2676 ret = get_last_socket_error();
2678 BIO_puts(bio_err, "CONNECTION CLOSED BY SERVER\n");
2680 BIO_printf(bio_err, "read:errno=%d\n", ret);
2682 case SSL_ERROR_ZERO_RETURN:
2683 BIO_printf(bio_c_out, "closed\n");
2686 case SSL_ERROR_WANT_ASYNC_JOB:
2687 /* This shouldn't ever happen in s_client. Treat as an error */
2689 ERR_print_errors(bio_err);
2693 /* OPENSSL_SYS_MSDOS includes OPENSSL_SYS_WINDOWS */
2694 #if defined(OPENSSL_SYS_MSDOS)
2695 else if (has_stdin_waiting())
2697 else if (FD_ISSET(fileno_stdin(), &readfds))
2703 i = raw_read_stdin(cbuf, BUFSIZZ / 2);
2705 /* both loops are skipped when i <= 0 */
2706 for (j = 0; j < i; j++)
2707 if (cbuf[j] == '\n')
2709 for (j = i - 1; j >= 0; j--) {
2710 cbuf[j + lf_num] = cbuf[j];
2711 if (cbuf[j] == '\n') {
2714 cbuf[j + lf_num] = '\r';
2717 assert(lf_num == 0);
2719 i = raw_read_stdin(cbuf, BUFSIZZ);
2720 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
2725 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q' && cmdletters))) {
2726 BIO_printf(bio_err, "DONE\n");
2731 if ((!c_ign_eof) && (cbuf[0] == 'R' && cmdletters)) {
2732 BIO_printf(bio_err, "RENEGOTIATING\n");
2733 SSL_renegotiate(con);
2737 if (!c_ign_eof && (cbuf[0] == 'K' || cbuf[0] == 'k' )
2739 BIO_printf(bio_err, "KEYUPDATE\n");
2741 cbuf[0] == 'K' ? SSL_KEY_UPDATE_REQUESTED
2742 : SSL_KEY_UPDATE_NOT_REQUESTED);
2745 #ifndef OPENSSL_NO_HEARTBEATS
2746 else if ((!c_ign_eof) && (cbuf[0] == 'B' && cmdletters)) {
2747 BIO_printf(bio_err, "HEARTBEATING\n");
2755 #ifdef CHARSET_EBCDIC
2756 ebcdic2ascii(cbuf, cbuf, i);
2768 print_stuff(bio_c_out, con, full_log);
2769 do_ssl_shutdown(con);
2770 #if defined(OPENSSL_SYS_WINDOWS)
2772 * Give the socket time to send its last data before we close it.
2773 * No amount of setting SO_LINGER etc on the socket seems to persuade
2774 * Windows to send the data before closing the socket...but sleeping
2775 * for a short time seems to do it (units in ms)
2776 * TODO: Find a better way to do this
2780 BIO_closesocket(SSL_get_fd(con));
2784 print_stuff(bio_c_out, con, 1);
2787 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2788 OPENSSL_free(next_proto.data);
2791 set_keylog_file(NULL, NULL);
2793 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2795 sk_X509_pop_free(chain, X509_free);
2797 #ifndef OPENSSL_NO_SRP
2798 OPENSSL_free(srp_arg.srppassin);
2800 OPENSSL_free(connectstr);
2803 X509_VERIFY_PARAM_free(vpm);
2804 ssl_excert_free(exc);
2805 sk_OPENSSL_STRING_free(ssl_args);
2806 sk_OPENSSL_STRING_free(dane_tlsa_rrset);
2807 SSL_CONF_CTX_free(cctx);
2808 OPENSSL_clear_free(cbuf, BUFSIZZ);
2809 OPENSSL_clear_free(sbuf, BUFSIZZ);
2810 OPENSSL_clear_free(mbuf, BUFSIZZ);
2812 BIO_free(bio_c_out);
2814 BIO_free(bio_c_msg);
2819 static void print_stuff(BIO *bio, SSL *s, int full)
2824 const SSL_CIPHER *c;
2826 #ifndef OPENSSL_NO_COMP
2827 const COMP_METHOD *comp, *expansion;
2829 unsigned char *exportedkeymat;
2830 #ifndef OPENSSL_NO_CT
2831 const SSL_CTX *ctx = SSL_get_SSL_CTX(s);
2835 int got_a_chain = 0;
2837 sk = SSL_get_peer_cert_chain(s);
2841 BIO_printf(bio, "---\nCertificate chain\n");
2842 for (i = 0; i < sk_X509_num(sk); i++) {
2843 X509_NAME_oneline(X509_get_subject_name(sk_X509_value(sk, i)),
2845 BIO_printf(bio, "%2d s:%s\n", i, buf);
2846 X509_NAME_oneline(X509_get_issuer_name(sk_X509_value(sk, i)),
2848 BIO_printf(bio, " i:%s\n", buf);
2850 PEM_write_bio_X509(bio, sk_X509_value(sk, i));
2854 BIO_printf(bio, "---\n");
2855 peer = SSL_get_peer_certificate(s);
2857 BIO_printf(bio, "Server certificate\n");
2859 /* Redundant if we showed the whole chain */
2860 if (!(c_showcerts && got_a_chain))
2861 PEM_write_bio_X509(bio, peer);
2862 X509_NAME_oneline(X509_get_subject_name(peer), buf, sizeof buf);
2863 BIO_printf(bio, "subject=%s\n", buf);
2864 X509_NAME_oneline(X509_get_issuer_name(peer), buf, sizeof buf);
2865 BIO_printf(bio, "issuer=%s\n", buf);
2867 BIO_printf(bio, "no peer certificate available\n");
2869 print_ca_names(bio, s);
2871 ssl_print_sigalgs(bio, s);
2872 ssl_print_tmp_key(bio, s);
2874 #ifndef OPENSSL_NO_CT
2876 * When the SSL session is anonymous, or resumed via an abbreviated
2877 * handshake, no SCTs are provided as part of the handshake. While in
2878 * a resumed session SCTs may be present in the session's certificate,
2879 * no callbacks are invoked to revalidate these, and in any case that
2880 * set of SCTs may be incomplete. Thus it makes little sense to
2881 * attempt to display SCTs from a resumed session's certificate, and of
2882 * course none are associated with an anonymous peer.
2884 if (peer != NULL && !SSL_session_reused(s) && SSL_ct_is_enabled(s)) {
2885 const STACK_OF(SCT) *scts = SSL_get0_peer_scts(s);
2886 int sct_count = scts != NULL ? sk_SCT_num(scts) : 0;
2888 BIO_printf(bio, "---\nSCTs present (%i)\n", sct_count);
2889 if (sct_count > 0) {
2890 const CTLOG_STORE *log_store = SSL_CTX_get0_ctlog_store(ctx);
2892 BIO_printf(bio, "---\n");
2893 for (i = 0; i < sct_count; ++i) {
2894 SCT *sct = sk_SCT_value(scts, i);
2896 BIO_printf(bio, "SCT validation status: %s\n",
2897 SCT_validation_status_string(sct));
2898 SCT_print(sct, bio, 0, log_store);
2899 if (i < sct_count - 1)
2900 BIO_printf(bio, "\n---\n");
2902 BIO_printf(bio, "\n");
2908 "---\nSSL handshake has read %ju bytes "
2909 "and written %ju bytes\n",
2910 BIO_number_read(SSL_get_rbio(s)),
2911 BIO_number_written(SSL_get_wbio(s)));
2913 print_verify_detail(s, bio);
2914 BIO_printf(bio, (SSL_session_reused(s) ? "---\nReused, " : "---\nNew, "));
2915 c = SSL_get_current_cipher(s);
2916 BIO_printf(bio, "%s, Cipher is %s\n",
2917 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
2921 pktmp = X509_get0_pubkey(peer);
2922 BIO_printf(bio, "Server public key is %d bit\n",
2923 EVP_PKEY_bits(pktmp));
2925 BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
2926 SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
2927 #ifndef OPENSSL_NO_COMP
2928 comp = SSL_get_current_compression(s);
2929 expansion = SSL_get_current_expansion(s);
2930 BIO_printf(bio, "Compression: %s\n",
2931 comp ? SSL_COMP_get_name(comp) : "NONE");
2932 BIO_printf(bio, "Expansion: %s\n",
2933 expansion ? SSL_COMP_get_name(expansion) : "NONE");
2938 /* Print out local port of connection: useful for debugging */
2940 union BIO_sock_info_u info;
2942 sock = SSL_get_fd(s);
2943 if ((info.addr = BIO_ADDR_new()) != NULL
2944 && BIO_sock_info(sock, BIO_SOCK_INFO_ADDRESS, &info)) {
2945 BIO_printf(bio_c_out, "LOCAL PORT is %u\n",
2946 ntohs(BIO_ADDR_rawport(info.addr)));
2948 BIO_ADDR_free(info.addr);
2952 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2953 if (next_proto.status != -1) {
2954 const unsigned char *proto;
2955 unsigned int proto_len;
2956 SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
2957 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
2958 BIO_write(bio, proto, proto_len);
2959 BIO_write(bio, "\n", 1);
2963 const unsigned char *proto;
2964 unsigned int proto_len;
2965 SSL_get0_alpn_selected(s, &proto, &proto_len);
2966 if (proto_len > 0) {
2967 BIO_printf(bio, "ALPN protocol: ");
2968 BIO_write(bio, proto, proto_len);
2969 BIO_write(bio, "\n", 1);
2971 BIO_printf(bio, "No ALPN negotiated\n");
2974 #ifndef OPENSSL_NO_SRTP
2976 SRTP_PROTECTION_PROFILE *srtp_profile =
2977 SSL_get_selected_srtp_profile(s);
2980 BIO_printf(bio, "SRTP Extension negotiated, profile=%s\n",
2981 srtp_profile->name);
2985 if (SSL_version(s) == TLS1_3_VERSION) {
2986 switch (SSL_get_early_data_status(s)) {
2987 case SSL_EARLY_DATA_NOT_SENT:
2988 BIO_printf(bio, "Early data was not sent\n");
2991 case SSL_EARLY_DATA_REJECTED:
2992 BIO_printf(bio, "Early data was rejected\n");
2995 case SSL_EARLY_DATA_ACCEPTED:
2996 BIO_printf(bio, "Early data was accepted\n");
3002 SSL_SESSION_print(bio, SSL_get_session(s));
3003 if (SSL_get_session(s) != NULL && keymatexportlabel != NULL) {
3004 BIO_printf(bio, "Keying material exporter:\n");
3005 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel);
3006 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen);
3007 exportedkeymat = app_malloc(keymatexportlen, "export key");
3008 if (!SSL_export_keying_material(s, exportedkeymat,
3011 strlen(keymatexportlabel),
3013 BIO_printf(bio, " Error\n");
3015 BIO_printf(bio, " Keying material: ");
3016 for (i = 0; i < keymatexportlen; i++)
3017 BIO_printf(bio, "%02X", exportedkeymat[i]);
3018 BIO_printf(bio, "\n");
3020 OPENSSL_free(exportedkeymat);
3022 BIO_printf(bio, "---\n");
3024 /* flush, or debugging output gets mixed with http response */
3025 (void)BIO_flush(bio);
3028 # ifndef OPENSSL_NO_OCSP
3029 static int ocsp_resp_cb(SSL *s, void *arg)
3031 const unsigned char *p;
3034 len = SSL_get_tlsext_status_ocsp_resp(s, &p);
3035 BIO_puts(arg, "OCSP response: ");
3037 BIO_puts(arg, "no response sent\n");
3040 rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
3042 BIO_puts(arg, "response parse error\n");
3043 BIO_dump_indent(arg, (char *)p, len, 4);
3046 BIO_puts(arg, "\n======================================\n");
3047 OCSP_RESPONSE_print(arg, rsp, 0);
3048 BIO_puts(arg, "======================================\n");
3049 OCSP_RESPONSE_free(rsp);
3054 static int ldap_ExtendedResponse_parse(const char *buf, long rem)
3056 const unsigned char *cur, *end;
3058 int tag, xclass, inf, ret = -1;
3060 cur = (const unsigned char *)buf;
3066 * LDAPMessage ::= SEQUENCE {
3067 * messageID MessageID,
3068 * protocolOp CHOICE {
3070 * extendedResp ExtendedResponse,
3072 * controls [0] Controls OPTIONAL }
3074 * ExtendedResponse ::= [APPLICATION 24] SEQUENCE {
3075 * COMPONENTS OF LDAPResult,
3076 * responseName [10] LDAPOID OPTIONAL,
3077 * responseValue [11] OCTET STRING OPTIONAL }
3079 * LDAPResult ::= SEQUENCE {
3080 * resultCode ENUMERATED {
3086 * diagnosticMessage LDAPString,
3087 * referral [3] Referral OPTIONAL }
3091 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3092 if (inf != V_ASN1_CONSTRUCTED || tag != V_ASN1_SEQUENCE ||
3093 (rem = end - cur, len > rem)) {
3094 BIO_printf(bio_err, "Unexpected LDAP response\n");
3098 rem = len; /* ensure that we don't overstep the SEQUENCE */
3100 /* pull MessageID */
3101 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3102 if (inf != V_ASN1_UNIVERSAL || tag != V_ASN1_INTEGER ||
3103 (rem = end - cur, len > rem)) {
3104 BIO_printf(bio_err, "No MessageID\n");
3108 cur += len; /* shall we check for MessageId match or just skip? */
3110 /* pull [APPLICATION 24] */
3112 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3113 if (inf != V_ASN1_CONSTRUCTED || xclass != V_ASN1_APPLICATION ||
3115 BIO_printf(bio_err, "Not ExtendedResponse\n");
3119 /* pull resultCode */
3121 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3122 if (inf != V_ASN1_UNIVERSAL || tag != V_ASN1_ENUMERATED || len == 0 ||
3123 (rem = end - cur, len > rem)) {
3124 BIO_printf(bio_err, "Not LDAPResult\n");
3128 /* len should always be one, but just in case... */
3129 for (ret = 0, inf = 0; inf < len; inf++) {
3133 /* There is more data, but we don't care... */
3138 #endif /* OPENSSL_NO_SOCK */