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;
94 static void print_stuff(BIO *berr, SSL *con, int full);
95 #ifndef OPENSSL_NO_OCSP
96 static int ocsp_resp_cb(SSL *s, void *arg);
99 static int saved_errno;
101 static void save_errno(void)
107 static int restore_errno(void)
114 static void do_ssl_shutdown(SSL *ssl)
119 /* We only do unidirectional shutdown */
120 ret = SSL_shutdown(ssl);
122 switch (SSL_get_error(ssl, ret)) {
123 case SSL_ERROR_WANT_READ:
124 case SSL_ERROR_WANT_WRITE:
125 case SSL_ERROR_WANT_ASYNC:
126 case SSL_ERROR_WANT_ASYNC_JOB:
127 /* We just do busy waiting. Nothing clever */
135 #ifndef OPENSSL_NO_PSK
136 /* Default PSK identity and key */
137 static char *psk_identity = "Client_identity";
139 * char *psk_key=NULL; by default PSK is not used
142 static unsigned int psk_client_cb(SSL *ssl, const char *hint, char *identity,
143 unsigned int max_identity_len,
145 unsigned int max_psk_len)
152 BIO_printf(bio_c_out, "psk_client_cb\n");
154 /* no ServerKeyExchange message */
156 BIO_printf(bio_c_out,
157 "NULL received PSK identity hint, continuing anyway\n");
159 BIO_printf(bio_c_out, "Received PSK identity hint '%s'\n", hint);
162 * lookup PSK identity and PSK key based on the given identity hint here
164 ret = BIO_snprintf(identity, max_identity_len, "%s", psk_identity);
165 if (ret < 0 || (unsigned int)ret > max_identity_len)
168 BIO_printf(bio_c_out, "created identity '%s' len=%d\n", identity,
171 /* convert the PSK key to binary */
172 key = OPENSSL_hexstr2buf(psk_key, &key_len);
174 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n",
178 if (key_len > max_psk_len) {
180 "psk buffer of callback is too small (%d) for key (%ld)\n",
181 max_psk_len, key_len);
186 memcpy(psk, key, key_len);
190 BIO_printf(bio_c_out, "created PSK len=%ld\n", key_len);
195 BIO_printf(bio_err, "Error in PSK client callback\n");
200 /* This is a context that we pass to callbacks */
201 typedef struct tlsextctx_st {
206 static int ssl_servername_cb(SSL *s, int *ad, void *arg)
208 tlsextctx *p = (tlsextctx *) arg;
209 const char *hn = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
210 if (SSL_get_servername_type(s) != -1)
211 p->ack = !SSL_session_reused(s) && hn != NULL;
213 BIO_printf(bio_err, "Can't use SSL_get_servername\n");
215 return SSL_TLSEXT_ERR_OK;
218 #ifndef OPENSSL_NO_SRP
220 /* This is a context that we pass to all callbacks */
221 typedef struct srp_arg_st {
224 int msg; /* copy from c_msg */
225 int debug; /* copy from c_debug */
226 int amp; /* allow more groups */
227 int strength; /* minimal size for N */
230 # define SRP_NUMBER_ITERATIONS_FOR_PRIME 64
232 static int srp_Verify_N_and_g(const BIGNUM *N, const BIGNUM *g)
234 BN_CTX *bn_ctx = BN_CTX_new();
235 BIGNUM *p = BN_new();
236 BIGNUM *r = BN_new();
238 g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) &&
239 BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) == 1 &&
240 p != NULL && BN_rshift1(p, N) &&
242 BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) == 1 &&
244 /* verify g^((N-1)/2) == -1 (mod N) */
245 BN_mod_exp(r, g, p, N, bn_ctx) &&
246 BN_add_word(r, 1) && BN_cmp(r, N) == 0;
255 * This callback is used here for two purposes:
256 * - extended debugging
257 * - making some primality tests for unknown groups
258 * The callback is only called for a non default group.
260 * An application does not need the call back at all if
261 * only the standard groups are used. In real life situations,
262 * client and server already share well known groups,
263 * thus there is no need to verify them.
264 * Furthermore, in case that a server actually proposes a group that
265 * is not one of those defined in RFC 5054, it is more appropriate
266 * to add the group to a static list and then compare since
267 * primality tests are rather cpu consuming.
270 static int ssl_srp_verify_param_cb(SSL *s, void *arg)
272 SRP_ARG *srp_arg = (SRP_ARG *)arg;
273 BIGNUM *N = NULL, *g = NULL;
275 if (((N = SSL_get_srp_N(s)) == NULL) || ((g = SSL_get_srp_g(s)) == NULL))
277 if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1) {
278 BIO_printf(bio_err, "SRP parameters:\n");
279 BIO_printf(bio_err, "\tN=");
280 BN_print(bio_err, N);
281 BIO_printf(bio_err, "\n\tg=");
282 BN_print(bio_err, g);
283 BIO_printf(bio_err, "\n");
286 if (SRP_check_known_gN_param(g, N))
289 if (srp_arg->amp == 1) {
292 "SRP param N and g are not known params, going to check deeper.\n");
295 * The srp_moregroups is a real debugging feature. Implementors
296 * should rather add the value to the known ones. The minimal size
297 * has already been tested.
299 if (BN_num_bits(g) <= BN_BITS && srp_Verify_N_and_g(N, g))
302 BIO_printf(bio_err, "SRP param N and g rejected.\n");
306 # define PWD_STRLEN 1024
308 static char *ssl_give_srp_client_pwd_cb(SSL *s, void *arg)
310 SRP_ARG *srp_arg = (SRP_ARG *)arg;
311 char *pass = app_malloc(PWD_STRLEN + 1, "SRP password buffer");
315 cb_tmp.password = (char *)srp_arg->srppassin;
316 cb_tmp.prompt_info = "SRP user";
317 if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp)) < 0) {
318 BIO_printf(bio_err, "Can't read Password\n");
329 static char *srtp_profiles = NULL;
331 #ifndef OPENSSL_NO_NEXTPROTONEG
332 /* This the context that we pass to next_proto_cb */
333 typedef struct tlsextnextprotoctx_st {
337 } tlsextnextprotoctx;
339 static tlsextnextprotoctx next_proto;
341 static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen,
342 const unsigned char *in, unsigned int inlen,
345 tlsextnextprotoctx *ctx = arg;
348 /* We can assume that |in| is syntactically valid. */
350 BIO_printf(bio_c_out, "Protocols advertised by server: ");
351 for (i = 0; i < inlen;) {
353 BIO_write(bio_c_out, ", ", 2);
354 BIO_write(bio_c_out, &in[i + 1], in[i]);
357 BIO_write(bio_c_out, "\n", 1);
361 SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len);
362 return SSL_TLSEXT_ERR_OK;
364 #endif /* ndef OPENSSL_NO_NEXTPROTONEG */
366 static int serverinfo_cli_parse_cb(SSL *s, unsigned int ext_type,
367 const unsigned char *in, size_t inlen,
371 unsigned char ext_buf[4 + 65536];
373 /* Reconstruct the type/len fields prior to extension data */
374 ext_buf[0] = ext_type >> 8;
375 ext_buf[1] = ext_type & 0xFF;
376 ext_buf[2] = inlen >> 8;
377 ext_buf[3] = inlen & 0xFF;
378 memcpy(ext_buf + 4, in, inlen);
380 BIO_snprintf(pem_name, sizeof(pem_name), "SERVERINFO FOR EXTENSION %d",
382 PEM_write_bio(bio_c_out, pem_name, "", ext_buf, 4 + inlen);
387 * Hex decoder that tolerates optional whitespace. Returns number of bytes
388 * produced, advances inptr to end of input string.
390 static ossl_ssize_t hexdecode(const char **inptr, void *result)
392 unsigned char **out = (unsigned char **)result;
393 const char *in = *inptr;
394 unsigned char *ret = app_malloc(strlen(in) / 2, "hexdecode");
395 unsigned char *cp = ret;
402 for (byte = 0; *in; ++in) {
405 if (isspace(_UC(*in)))
407 x = OPENSSL_hexchar2int(*in);
413 if ((nibble ^= 1) == 0) {
426 return cp - (*out = ret);
430 * Decode unsigned 0..255, returns 1 on success, <= 0 on failure. Advances
431 * inptr to next field skipping leading whitespace.
433 static ossl_ssize_t checked_uint8(const char **inptr, void *out)
435 uint8_t *result = (uint8_t *)out;
436 const char *in = *inptr;
442 v = strtol(in, &endp, 10);
445 if (((v == LONG_MIN || v == LONG_MAX) && e == ERANGE) ||
446 endp == in || !isspace(_UC(*endp)) ||
447 v != (*result = (uint8_t) v)) {
450 for (in = endp; isspace(_UC(*in)); ++in)
460 ossl_ssize_t (*parser)(const char **, void *);
463 static int tlsa_import_rr(SSL *con, const char *rrdata)
465 /* Not necessary to re-init these values; the "parsers" do that. */
466 static uint8_t usage;
467 static uint8_t selector;
468 static uint8_t mtype;
469 static unsigned char *data;
470 static struct tlsa_field tlsa_fields[] = {
471 { &usage, "usage", checked_uint8 },
472 { &selector, "selector", checked_uint8 },
473 { &mtype, "mtype", checked_uint8 },
474 { &data, "data", hexdecode },
477 struct tlsa_field *f;
479 const char *cp = rrdata;
480 ossl_ssize_t len = 0;
482 for (f = tlsa_fields; f->var; ++f) {
483 /* Returns number of bytes produced, advances cp to next field */
484 if ((len = f->parser(&cp, f->var)) <= 0) {
485 BIO_printf(bio_err, "%s: warning: bad TLSA %s field in: %s\n",
486 prog, f->name, rrdata);
490 /* The data field is last, so len is its length */
491 ret = SSL_dane_tlsa_add(con, usage, selector, mtype, data, len);
495 ERR_print_errors(bio_err);
496 BIO_printf(bio_err, "%s: warning: unusable TLSA rrdata: %s\n",
501 ERR_print_errors(bio_err);
502 BIO_printf(bio_err, "%s: warning: error loading TLSA rrdata: %s\n",
509 static int tlsa_import_rrset(SSL *con, STACK_OF(OPENSSL_STRING) *rrset)
511 int num = sk_OPENSSL_STRING_num(rrset);
515 for (i = 0; i < num; ++i) {
516 char *rrdata = sk_OPENSSL_STRING_value(rrset, i);
517 if (tlsa_import_rr(con, rrdata) > 0)
523 typedef enum OPTION_choice {
524 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
525 OPT_4, OPT_6, OPT_HOST, OPT_PORT, OPT_CONNECT, OPT_UNIX,
526 OPT_XMPPHOST, OPT_VERIFY,
527 OPT_CERT, OPT_CRL, OPT_CRL_DOWNLOAD, OPT_SESS_OUT, OPT_SESS_IN,
528 OPT_CERTFORM, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET,
529 OPT_BRIEF, OPT_PREXIT, OPT_CRLF, OPT_QUIET, OPT_NBIO,
530 OPT_SSL_CLIENT_ENGINE, OPT_RAND, OPT_IGN_EOF, OPT_NO_IGN_EOF,
531 OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_WDEBUG,
532 OPT_MSG, OPT_MSGFILE, OPT_ENGINE, OPT_TRACE, OPT_SECURITY_DEBUG,
533 OPT_SECURITY_DEBUG_VERBOSE, OPT_SHOWCERTS, OPT_NBIO_TEST, OPT_STATE,
534 #ifndef OPENSSL_NO_PSK
535 OPT_PSK_IDENTITY, OPT_PSK,
537 #ifndef OPENSSL_NO_SRP
538 OPT_SRPUSER, OPT_SRPPASS, OPT_SRP_STRENGTH, OPT_SRP_LATEUSER,
541 OPT_SSL3, OPT_SSL_CONFIG,
542 OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1,
543 OPT_DTLS1_2, OPT_TIMEOUT, OPT_MTU, OPT_KEYFORM, OPT_PASS,
544 OPT_CERT_CHAIN, OPT_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH,
546 OPT_KEY, OPT_RECONNECT, OPT_BUILD_CHAIN, OPT_CAFILE, OPT_NOCAFILE,
547 OPT_CHAINCAFILE, OPT_VERIFYCAFILE, OPT_NEXTPROTONEG, OPT_ALPN,
548 OPT_SERVERINFO, OPT_STARTTLS, OPT_SERVERNAME,
549 OPT_USE_SRTP, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN, OPT_SMTPHOST,
550 OPT_ASYNC, OPT_SPLIT_SEND_FRAG, OPT_MAX_PIPELINES, OPT_READ_BUF,
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 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 unix domain sockets"},
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 {"key", OPT_KEY, '<', "Private key file to use, if not in -cert file"},
581 {"keyform", OPT_KEYFORM, 'F', "Key format (PEM or DER) PEM default"},
582 {"pass", OPT_PASS, 's', "Private key file pass phrase source"},
583 {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
584 {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
585 {"no-CAfile", OPT_NOCAFILE, '-',
586 "Do not load the default certificates file"},
587 {"no-CApath", OPT_NOCAPATH, '-',
588 "Do not load certificates from the default certificates directory"},
589 {"dane_tlsa_domain", OPT_DANE_TLSA_DOMAIN, 's', "DANE TLSA base domain"},
590 {"dane_tlsa_rrdata", OPT_DANE_TLSA_RRDATA, 's',
591 "DANE TLSA rrdata presentation form"},
592 {"dane_ee_no_namechecks", OPT_DANE_EE_NO_NAME, '-',
593 "Disable name checks when matching DANE-EE(3) TLSA records"},
594 {"reconnect", OPT_RECONNECT, '-',
595 "Drop and re-make the connection with the same Session-ID"},
596 {"showcerts", OPT_SHOWCERTS, '-', "Show all certificates in the chain"},
597 {"debug", OPT_DEBUG, '-', "Extra output"},
598 {"msg", OPT_MSG, '-', "Show protocol messages"},
599 {"msgfile", OPT_MSGFILE, '>',
600 "File to send output of -msg or -trace, instead of stdout"},
601 {"nbio_test", OPT_NBIO_TEST, '-', "More ssl protocol testing"},
602 {"state", OPT_STATE, '-', "Print the ssl states"},
603 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"},
604 {"quiet", OPT_QUIET, '-', "No s_client output"},
605 {"ign_eof", OPT_IGN_EOF, '-', "Ignore input eof (default when -quiet)"},
606 {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Don't ignore input eof"},
607 {"starttls", OPT_STARTTLS, 's',
608 "Use the appropriate STARTTLS command before starting TLS"},
609 {"xmpphost", OPT_XMPPHOST, 's',
610 "Host to use with \"-starttls xmpp[-server]\""},
611 {"rand", OPT_RAND, 's',
612 "Load the file(s) into the random number generator"},
613 {"sess_out", OPT_SESS_OUT, '>', "File to write SSL session to"},
614 {"sess_in", OPT_SESS_IN, '<', "File to read SSL session from"},
615 {"use_srtp", OPT_USE_SRTP, 's',
616 "Offer SRTP key management with a colon-separated profile list"},
617 {"keymatexport", OPT_KEYMATEXPORT, 's',
618 "Export keying material using label"},
619 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
620 "Export len bytes of keying material (default 20)"},
621 {"fallback_scsv", OPT_FALLBACKSCSV, '-', "Send the fallback SCSV"},
622 {"name", OPT_SMTPHOST, 's', "Hostname to use for \"-starttls smtp\""},
623 {"CRL", OPT_CRL, '<', "CRL file to use"},
624 {"crl_download", OPT_CRL_DOWNLOAD, '-', "Download CRL from distribution points"},
625 {"CRLform", OPT_CRLFORM, 'F', "CRL format (PEM or DER) PEM is default"},
626 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-',
627 "Close connection on verification error"},
628 {"verify_quiet", OPT_VERIFY_QUIET, '-', "Restrict verify output to errors"},
629 {"brief", OPT_BRIEF, '-',
630 "Restrict output to brief summary of connection parameters"},
631 {"prexit", OPT_PREXIT, '-',
632 "Print session information when the program exits"},
633 {"security_debug", OPT_SECURITY_DEBUG, '-',
634 "Enable security debug messages"},
635 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-',
636 "Output more security debug output"},
637 {"cert_chain", OPT_CERT_CHAIN, '<',
638 "Certificate chain file (in PEM format)"},
639 {"chainCApath", OPT_CHAINCAPATH, '/',
640 "Use dir as certificate store path to build CA certificate chain"},
641 {"verifyCApath", OPT_VERIFYCAPATH, '/',
642 "Use dir as certificate store path to verify CA certificate"},
643 {"build_chain", OPT_BUILD_CHAIN, '-', "Build certificate chain"},
644 {"chainCAfile", OPT_CHAINCAFILE, '<',
645 "CA file for certificate chain (PEM format)"},
646 {"verifyCAfile", OPT_VERIFYCAFILE, '<',
647 "CA file for certificate verification (PEM format)"},
648 {"nocommands", OPT_NOCMDS, '-', "Do not use interactive command letters"},
649 {"servername", OPT_SERVERNAME, 's',
650 "Set TLS extension servername in ClientHello"},
651 {"tlsextdebug", OPT_TLSEXTDEBUG, '-',
652 "Hex dump of all TLS extensions received"},
653 #ifndef OPENSSL_NO_OCSP
654 {"status", OPT_STATUS, '-', "Request certificate status from server"},
656 {"serverinfo", OPT_SERVERINFO, 's',
657 "types Send empty ClientHello extensions (comma-separated numbers)"},
658 {"alpn", OPT_ALPN, 's',
659 "Enable ALPN extension, considering named protocols supported (comma-separated list)"},
660 {"async", OPT_ASYNC, '-', "Support asynchronous operation"},
661 {"ssl_config", OPT_SSL_CONFIG, 's', "Use specified configuration file"},
662 {"split_send_frag", OPT_SPLIT_SEND_FRAG, 'n',
663 "Size used to split data for encrypt pipelines"},
664 {"max_pipelines", OPT_MAX_PIPELINES, 'n',
665 "Maximum number of encrypt/decrypt pipelines to be used"},
666 {"read_buf", OPT_READ_BUF, 'n',
667 "Default read buffer size to be used for connections"},
671 #ifndef OPENSSL_NO_SSL3
672 {"ssl3", OPT_SSL3, '-', "Just use SSLv3"},
674 #ifndef OPENSSL_NO_TLS1
675 {"tls1", OPT_TLS1, '-', "Just use TLSv1"},
677 #ifndef OPENSSL_NO_TLS1_1
678 {"tls1_1", OPT_TLS1_1, '-', "Just use TLSv1.1"},
680 #ifndef OPENSSL_NO_TLS1_2
681 {"tls1_2", OPT_TLS1_2, '-', "Just use TLSv1.2"},
683 #ifndef OPENSSL_NO_DTLS
684 {"dtls", OPT_DTLS, '-', "Use any version of DTLS"},
685 {"timeout", OPT_TIMEOUT, '-',
686 "Enable send/receive timeout on DTLS connections"},
687 {"mtu", OPT_MTU, 'p', "Set the link layer MTU"},
689 #ifndef OPENSSL_NO_DTLS1
690 {"dtls1", OPT_DTLS1, '-', "Just use DTLSv1"},
692 #ifndef OPENSSL_NO_DTLS1_2
693 {"dtls1_2", OPT_DTLS1_2, '-', "Just use DTLSv1.2"},
695 #ifndef OPENSSL_NO_SSL_TRACE
696 {"trace", OPT_TRACE, '-', "Show trace output of protocol messages"},
699 {"wdebug", OPT_WDEBUG, '-', "WATT-32 tcp debugging"},
701 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"},
702 #ifndef OPENSSL_NO_PSK
703 {"psk_identity", OPT_PSK_IDENTITY, 's', "PSK identity"},
704 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"},
706 #ifndef OPENSSL_NO_SRP
707 {"srpuser", OPT_SRPUSER, 's', "SRP authentication for 'user'"},
708 {"srppass", OPT_SRPPASS, 's', "Password for 'user'"},
709 {"srp_lateuser", OPT_SRP_LATEUSER, '-',
710 "SRP username into second ClientHello message"},
711 {"srp_moregroups", OPT_SRP_MOREGROUPS, '-',
712 "Tolerate other than the known g N values."},
713 {"srp_strength", OPT_SRP_STRENGTH, 'p', "Minimal length in bits for N"},
715 #ifndef OPENSSL_NO_NEXTPROTONEG
716 {"nextprotoneg", OPT_NEXTPROTONEG, 's',
717 "Enable NPN extension, considering named protocols supported (comma-separated list)"},
719 #ifndef OPENSSL_NO_ENGINE
720 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
721 {"ssl_client_engine", OPT_SSL_CLIENT_ENGINE, 's',
722 "Specify engine to be used for client certificate operations"},
724 #ifndef OPENSSL_NO_CT
725 {"ct", OPT_CT, '-', "Request and parse SCTs (also enables OCSP stapling)"},
726 {"noct", OPT_NOCT, '-', "Do not request or parse SCTs (default)"},
727 {"ctlogfile", OPT_CTLOG_FILE, '<', "CT log list CONF file"},
729 {NULL, OPT_EOF, 0x00, NULL}
732 typedef enum PROTOCOL_choice {
745 static const OPT_PAIR services[] = {
746 {"smtp", PROTO_SMTP},
747 {"pop3", PROTO_POP3},
748 {"imap", PROTO_IMAP},
750 {"xmpp", PROTO_XMPP},
751 {"xmpp-server", PROTO_XMPP_SERVER},
752 {"telnet", PROTO_TELNET},
757 #define IS_INET_FLAG(o) \
758 (o == OPT_4 || o == OPT_6 || o == OPT_HOST || o == OPT_PORT || o == OPT_CONNECT)
759 #define IS_UNIX_FLAG(o) (o == OPT_UNIX)
761 #define IS_PROT_FLAG(o) \
762 (o == OPT_SSL3 || o == OPT_TLS1 || o == OPT_TLS1_1 || o == OPT_TLS1_2 \
763 || o == OPT_DTLS || o == OPT_DTLS1 || o == OPT_DTLS1_2)
765 /* Free |*dest| and optionally set it to a copy of |source|. */
766 static void freeandcopy(char **dest, const char *source)
771 *dest = OPENSSL_strdup(source);
774 int s_client_main(int argc, char **argv)
777 EVP_PKEY *key = NULL;
780 STACK_OF(X509) *chain = NULL;
782 X509_VERIFY_PARAM *vpm = NULL;
783 SSL_EXCERT *exc = NULL;
784 SSL_CONF_CTX *cctx = NULL;
785 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
786 char *dane_tlsa_domain = NULL;
787 STACK_OF(OPENSSL_STRING) *dane_tlsa_rrset = NULL;
788 int dane_ee_no_name = 0;
789 STACK_OF(X509_CRL) *crls = NULL;
790 const SSL_METHOD *meth = TLS_client_method();
791 const char *CApath = NULL, *CAfile = NULL;
792 char *cbuf = NULL, *sbuf = NULL;
793 char *mbuf = NULL, *proxystr = NULL, *connectstr = NULL;
794 char *cert_file = NULL, *key_file = NULL, *chain_file = NULL;
795 char *chCApath = NULL, *chCAfile = NULL, *host = NULL;
796 char *port = OPENSSL_strdup(PORT);
798 char *passarg = NULL, *pass = NULL, *vfyCApath = NULL, *vfyCAfile = NULL;
799 char *sess_in = NULL, *sess_out = NULL, *crl_file = NULL, *p;
800 char *xmpphost = NULL;
801 const char *ehlo = "mail.example.com";
802 struct timeval timeout, *timeoutp;
803 fd_set readfds, writefds;
804 int noCApath = 0, noCAfile = 0;
805 int build_chain = 0, cbuf_len, cbuf_off, cert_format = FORMAT_PEM;
806 int key_format = FORMAT_PEM, crlf = 0, full_log = 1, mbuf_len = 0;
809 int reconnect = 0, verify = SSL_VERIFY_NONE, vpmtouched = 0;
810 int ret = 1, in_init = 1, i, nbio_test = 0, s = -1, k, width, state = 0;
811 int sbuf_len, sbuf_off, cmdletters = 1;
812 int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM;
813 int starttls_proto = PROTO_OFF, crl_format = FORMAT_PEM, crl_download = 0;
814 int write_tty, read_tty, write_ssl, read_ssl, tty_on, ssl_pending;
816 int read_buf_len = 0;
817 int fallback_scsv = 0;
820 #ifndef OPENSSL_NO_DTLS
821 int enable_timeouts = 0;
824 #ifndef OPENSSL_NO_ENGINE
825 ENGINE *ssl_client_engine = NULL;
828 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
831 char *servername = NULL;
832 const char *alpn_in = NULL;
833 tlsextctx tlsextcbp = { NULL, 0 };
834 const char *ssl_config = NULL;
835 #define MAX_SI_TYPES 100
836 unsigned short serverinfo_types[MAX_SI_TYPES];
837 int serverinfo_count = 0, start = 0, len;
838 #ifndef OPENSSL_NO_NEXTPROTONEG
839 const char *next_proto_neg_in = NULL;
841 #ifndef OPENSSL_NO_SRP
842 char *srppass = NULL;
843 int srp_lateuser = 0;
844 SRP_ARG srp_arg = { NULL, NULL, 0, 0, 0, 1024 };
846 #ifndef OPENSSL_NO_CT
847 char *ctlog_file = NULL;
848 int ct_validation = 0;
850 int min_version = 0, max_version = 0, prot_opt = 0, no_prot_opt = 0;
852 unsigned int split_send_fragment = 0;
853 unsigned int max_pipelines = 0;
854 enum { use_inet, use_unix, use_unknown } connect_type = use_unknown;
856 int c_nbio = 0, c_msg = 0, c_ign_eof = 0, c_brief = 0;
857 int c_tlsextdebug = 0, c_status_req = 0;
858 BIO *bio_c_msg = NULL;
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]);
875 vpm = X509_VERIFY_PARAM_new();
876 cctx = SSL_CONF_CTX_new();
878 if (vpm == NULL || cctx == NULL) {
879 BIO_printf(bio_err, "%s: out of memory\n", prog);
883 cbuf = app_malloc(BUFSIZZ, "cbuf");
884 sbuf = app_malloc(BUFSIZZ, "sbuf");
885 mbuf = app_malloc(BUFSIZZ, "mbuf");
887 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT | SSL_CONF_FLAG_CMDLINE);
889 prog = opt_init(argc, argv, s_client_options);
890 while ((o = opt_next()) != OPT_EOF) {
891 /* Check for intermixing flags. */
892 if (connect_type == use_unix && IS_INET_FLAG(o)) {
894 "%s: Intermixed protocol flags (unix and internet domains)\n",
898 if (connect_type == use_inet && IS_UNIX_FLAG(o)) {
900 "%s: Intermixed protocol flags (internet and unix domains)\n",
905 if (IS_PROT_FLAG(o) && ++prot_opt > 1) {
906 BIO_printf(bio_err, "Cannot supply multiple protocol flags\n");
909 if (IS_NO_PROT_FLAG(o))
911 if (prot_opt == 1 && no_prot_opt) {
913 "Cannot supply both a protocol flag and '-no_<prot>'\n");
921 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
924 opt_help(s_client_options);
928 connect_type = use_inet;
929 socket_family = AF_INET;
934 connect_type = use_inet;
935 socket_family = AF_INET6;
940 connect_type = use_inet;
941 freeandcopy(&host, opt_arg());
944 connect_type = use_inet;
945 freeandcopy(&port, opt_arg());
948 connect_type = use_inet;
949 freeandcopy(&connectstr, opt_arg());
952 proxystr = opt_arg();
953 starttls_proto = PROTO_CONNECT;
957 connect_type = use_unix;
958 socket_family = AF_UNIX;
959 freeandcopy(&host, opt_arg());
963 xmpphost = opt_arg();
969 verify = SSL_VERIFY_PEER;
970 verify_args.depth = atoi(opt_arg());
972 BIO_printf(bio_err, "verify depth is %d\n", verify_args.depth);
975 cert_file = opt_arg();
978 crl_file = opt_arg();
980 case OPT_CRL_DOWNLOAD:
984 sess_out = opt_arg();
990 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &cert_format))
994 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
997 case OPT_VERIFY_RET_ERROR:
998 verify_args.return_error = 1;
1000 case OPT_VERIFY_QUIET:
1001 verify_args.quiet = 1;
1004 c_brief = verify_args.quiet = c_quiet = 1;
1007 if (ssl_args == NULL)
1008 ssl_args = sk_OPENSSL_STRING_new_null();
1009 if (ssl_args == NULL
1010 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
1011 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
1012 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1017 if (!opt_verify(o, vpm))
1022 if (!args_excert(o, &exc))
1032 c_quiet = c_ign_eof = 1;
1041 e = setup_engine(opt_arg(), 1);
1043 case OPT_SSL_CLIENT_ENGINE:
1044 #ifndef OPENSSL_NO_ENGINE
1045 ssl_client_engine = ENGINE_by_id(opt_arg());
1046 if (ssl_client_engine == NULL) {
1047 BIO_printf(bio_err, "Error getting client auth engine\n");
1058 case OPT_NO_IGN_EOF:
1064 case OPT_TLSEXTDEBUG:
1079 bio_c_msg = BIO_new_file(opt_arg(), "w");
1082 #ifndef OPENSSL_NO_SSL_TRACE
1086 case OPT_SECURITY_DEBUG:
1089 case OPT_SECURITY_DEBUG_VERBOSE:
1101 #ifndef OPENSSL_NO_PSK
1102 case OPT_PSK_IDENTITY:
1103 psk_identity = opt_arg();
1106 for (p = psk_key = opt_arg(); *p; p++) {
1107 if (isxdigit(_UC(*p)))
1109 BIO_printf(bio_err, "Not a hex number '%s'\n", psk_key);
1114 #ifndef OPENSSL_NO_SRP
1116 srp_arg.srplogin = opt_arg();
1117 if (min_version < TLS1_VERSION)
1118 min_version = TLS1_VERSION;
1121 srppass = opt_arg();
1122 if (min_version < TLS1_VERSION)
1123 min_version = TLS1_VERSION;
1125 case OPT_SRP_STRENGTH:
1126 srp_arg.strength = atoi(opt_arg());
1127 BIO_printf(bio_err, "SRP minimal length for N is %d\n",
1129 if (min_version < TLS1_VERSION)
1130 min_version = TLS1_VERSION;
1132 case OPT_SRP_LATEUSER:
1134 if (min_version < TLS1_VERSION)
1135 min_version = TLS1_VERSION;
1137 case OPT_SRP_MOREGROUPS:
1139 if (min_version < TLS1_VERSION)
1140 min_version = TLS1_VERSION;
1143 case OPT_SSL_CONFIG:
1144 ssl_config = opt_arg();
1147 min_version = SSL3_VERSION;
1148 max_version = SSL3_VERSION;
1151 min_version = TLS1_2_VERSION;
1152 max_version = TLS1_2_VERSION;
1155 min_version = TLS1_1_VERSION;
1156 max_version = TLS1_1_VERSION;
1159 min_version = TLS1_VERSION;
1160 max_version = TLS1_VERSION;
1163 #ifndef OPENSSL_NO_DTLS
1164 meth = DTLS_client_method();
1165 socket_type = SOCK_DGRAM;
1169 #ifndef OPENSSL_NO_DTLS1
1170 meth = DTLS_client_method();
1171 min_version = DTLS1_VERSION;
1172 max_version = DTLS1_VERSION;
1173 socket_type = SOCK_DGRAM;
1177 #ifndef OPENSSL_NO_DTLS1_2
1178 meth = DTLS_client_method();
1179 min_version = DTLS1_2_VERSION;
1180 max_version = DTLS1_2_VERSION;
1181 socket_type = SOCK_DGRAM;
1185 #ifndef OPENSSL_NO_DTLS
1186 enable_timeouts = 1;
1190 #ifndef OPENSSL_NO_DTLS
1191 socket_mtu = atol(opt_arg());
1194 case OPT_FALLBACKSCSV:
1198 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &key_format))
1202 passarg = opt_arg();
1204 case OPT_CERT_CHAIN:
1205 chain_file = opt_arg();
1208 key_file = opt_arg();
1219 case OPT_CHAINCAPATH:
1220 chCApath = opt_arg();
1222 case OPT_VERIFYCAPATH:
1223 vfyCApath = opt_arg();
1225 case OPT_BUILD_CHAIN:
1234 #ifndef OPENSSL_NO_CT
1241 case OPT_CTLOG_FILE:
1242 ctlog_file = opt_arg();
1245 case OPT_CHAINCAFILE:
1246 chCAfile = opt_arg();
1248 case OPT_VERIFYCAFILE:
1249 vfyCAfile = opt_arg();
1251 case OPT_DANE_TLSA_DOMAIN:
1252 dane_tlsa_domain = opt_arg();
1254 case OPT_DANE_TLSA_RRDATA:
1255 if (dane_tlsa_rrset == NULL)
1256 dane_tlsa_rrset = sk_OPENSSL_STRING_new_null();
1257 if (dane_tlsa_rrset == NULL ||
1258 !sk_OPENSSL_STRING_push(dane_tlsa_rrset, opt_arg())) {
1259 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1263 case OPT_DANE_EE_NO_NAME:
1264 dane_ee_no_name = 1;
1266 case OPT_NEXTPROTONEG:
1267 #ifndef OPENSSL_NO_NEXTPROTONEG
1268 next_proto_neg_in = opt_arg();
1272 alpn_in = opt_arg();
1274 case OPT_SERVERINFO:
1277 for (start = 0, i = 0; i <= len; ++i) {
1278 if (i == len || p[i] == ',') {
1279 serverinfo_types[serverinfo_count] = atoi(p + start);
1280 if (++serverinfo_count == MAX_SI_TYPES)
1287 if (!opt_pair(opt_arg(), services, &starttls_proto))
1290 case OPT_SERVERNAME:
1291 servername = opt_arg();
1294 srtp_profiles = opt_arg();
1296 case OPT_KEYMATEXPORT:
1297 keymatexportlabel = opt_arg();
1299 case OPT_KEYMATEXPORTLEN:
1300 keymatexportlen = atoi(opt_arg());
1305 case OPT_SPLIT_SEND_FRAG:
1306 split_send_fragment = atoi(opt_arg());
1307 if (split_send_fragment == 0) {
1309 * Not allowed - set to a deliberately bad value so we get an
1310 * error message below
1312 split_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH + 1;
1315 case OPT_MAX_PIPELINES:
1316 max_pipelines = atoi(opt_arg());
1319 read_buf_len = atoi(opt_arg());
1323 if (count4or6 >= 2) {
1324 BIO_printf(bio_err, "%s: Can't use both -4 and -6\n", prog);
1327 argc = opt_num_rest();
1333 char *tmp_host = host, *tmp_port = port;
1334 if (connectstr == NULL) {
1335 BIO_printf(bio_err, "%s: -proxy requires use of -connect\n", prog);
1338 res = BIO_parse_hostserv(proxystr, &host, &port, BIO_PARSE_PRIO_HOST);
1339 if (tmp_host != host)
1340 OPENSSL_free(tmp_host);
1341 if (tmp_port != port)
1342 OPENSSL_free(tmp_port);
1345 "%s: -proxy argument malformed or ambiguous\n", prog);
1350 char *tmp_host = host, *tmp_port = port;
1351 if (connectstr != NULL)
1352 res = BIO_parse_hostserv(connectstr, &host, &port,
1353 BIO_PARSE_PRIO_HOST);
1354 if (tmp_host != host)
1355 OPENSSL_free(tmp_host);
1356 if (tmp_port != port)
1357 OPENSSL_free(tmp_port);
1360 "%s: -connect argument malformed or ambiguous\n",
1366 if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) {
1368 "Can't use unix sockets and datagrams together\n");
1372 if (split_send_fragment > SSL3_RT_MAX_PLAIN_LENGTH) {
1373 BIO_printf(bio_err, "Bad split send fragment size\n");
1377 if (max_pipelines > SSL_MAX_PIPELINES) {
1378 BIO_printf(bio_err, "Bad max pipelines value\n");
1382 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1383 next_proto.status = -1;
1384 if (next_proto_neg_in) {
1386 next_protos_parse(&next_proto.len, next_proto_neg_in);
1387 if (next_proto.data == NULL) {
1388 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n");
1392 next_proto.data = NULL;
1395 if (!app_passwd(passarg, NULL, &pass, NULL)) {
1396 BIO_printf(bio_err, "Error getting password\n");
1400 if (key_file == NULL)
1401 key_file = cert_file;
1404 key = load_key(key_file, key_format, 0, pass, e,
1405 "client certificate private key file");
1407 ERR_print_errors(bio_err);
1413 cert = load_cert(cert_file, cert_format, "client certificate file");
1415 ERR_print_errors(bio_err);
1421 if (!load_certs(chain_file, &chain, FORMAT_PEM, NULL,
1422 "client certificate chain"))
1428 crl = load_crl(crl_file, crl_format);
1430 BIO_puts(bio_err, "Error loading CRL\n");
1431 ERR_print_errors(bio_err);
1434 crls = sk_X509_CRL_new_null();
1435 if (crls == NULL || !sk_X509_CRL_push(crls, crl)) {
1436 BIO_puts(bio_err, "Error adding CRL\n");
1437 ERR_print_errors(bio_err);
1443 if (!load_excert(&exc))
1446 if (!app_RAND_load_file(NULL, 1) && inrand == NULL
1447 && !RAND_status()) {
1449 "warning, not much extra random data, consider using the -rand option\n");
1451 if (inrand != NULL) {
1452 randamt = app_RAND_load_files(inrand);
1453 BIO_printf(bio_err, "%ld semi-random bytes loaded\n", randamt);
1456 if (bio_c_out == NULL) {
1457 if (c_quiet && !c_debug) {
1458 bio_c_out = BIO_new(BIO_s_null());
1459 if (c_msg && !bio_c_msg)
1460 bio_c_msg = dup_bio_out(FORMAT_TEXT);
1461 } else if (bio_c_out == NULL)
1462 bio_c_out = dup_bio_out(FORMAT_TEXT);
1464 #ifndef OPENSSL_NO_SRP
1465 if (!app_passwd(srppass, NULL, &srp_arg.srppassin, NULL)) {
1466 BIO_printf(bio_err, "Error getting password\n");
1471 ctx = SSL_CTX_new(meth);
1473 ERR_print_errors(bio_err);
1478 ssl_ctx_security_debug(ctx, sdebug);
1481 if (SSL_CTX_config(ctx, ssl_config) == 0) {
1482 BIO_printf(bio_err, "Error using configuration \"%s\"\n",
1484 ERR_print_errors(bio_err);
1489 if (SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
1491 if (SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
1494 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
1495 BIO_printf(bio_err, "Error setting verify params\n");
1496 ERR_print_errors(bio_err);
1501 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
1503 if (split_send_fragment > 0) {
1504 SSL_CTX_set_split_send_fragment(ctx, split_send_fragment);
1506 if (max_pipelines > 0) {
1507 SSL_CTX_set_max_pipelines(ctx, max_pipelines);
1510 if (read_buf_len > 0) {
1511 SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len);
1514 if (!config_ctx(cctx, ssl_args, ctx))
1517 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1518 crls, crl_download)) {
1519 BIO_printf(bio_err, "Error loading store locations\n");
1520 ERR_print_errors(bio_err);
1523 #ifndef OPENSSL_NO_ENGINE
1524 if (ssl_client_engine) {
1525 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine)) {
1526 BIO_puts(bio_err, "Error setting client auth engine\n");
1527 ERR_print_errors(bio_err);
1528 ENGINE_free(ssl_client_engine);
1531 ENGINE_free(ssl_client_engine);
1535 #ifndef OPENSSL_NO_PSK
1536 if (psk_key != NULL) {
1538 BIO_printf(bio_c_out, "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",
1653 ERR_print_errors(bio_err);
1661 BIO *stmp = BIO_new_file(sess_in, "r");
1663 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1664 ERR_print_errors(bio_err);
1667 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1670 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1671 ERR_print_errors(bio_err);
1674 if (!SSL_set_session(con, sess)) {
1675 BIO_printf(bio_err, "Can't set session\n");
1676 ERR_print_errors(bio_err);
1679 SSL_SESSION_free(sess);
1683 SSL_set_mode(con, SSL_MODE_SEND_FALLBACK_SCSV);
1685 if (servername != NULL) {
1686 if (!SSL_set_tlsext_host_name(con, servername)) {
1687 BIO_printf(bio_err, "Unable to set TLS servername extension.\n");
1688 ERR_print_errors(bio_err);
1693 if (dane_tlsa_domain != NULL) {
1694 if (SSL_dane_enable(con, dane_tlsa_domain) <= 0) {
1695 BIO_printf(bio_err, "%s: Error enabling DANE TLSA "
1696 "authentication.\n", prog);
1697 ERR_print_errors(bio_err);
1700 if (dane_tlsa_rrset == NULL) {
1701 BIO_printf(bio_err, "%s: DANE TLSA authentication requires at "
1702 "least one -dane_tlsa_rrdata option.\n", prog);
1705 if (tlsa_import_rrset(con, dane_tlsa_rrset) <= 0) {
1706 BIO_printf(bio_err, "%s: Failed to import any TLSA "
1707 "records.\n", prog);
1710 if (dane_ee_no_name)
1711 SSL_dane_set_flags(con, DANE_FLAG_NO_DANE_EE_NAMECHECKS);
1712 } else if (dane_tlsa_rrset != NULL) {
1713 BIO_printf(bio_err, "%s: DANE TLSA authentication requires the "
1714 "-dane_tlsa_domain option.\n", prog);
1719 if (init_client(&s, host, port, socket_family, socket_type) == 0) {
1720 BIO_printf(bio_err, "connect:errno=%d\n", get_last_socket_error());
1724 BIO_printf(bio_c_out, "CONNECTED(%08X)\n", s);
1727 if (!BIO_socket_nbio(s, 1)) {
1728 ERR_print_errors(bio_err);
1731 BIO_printf(bio_c_out, "Turned on non blocking io\n");
1733 #ifndef OPENSSL_NO_DTLS
1734 if (socket_type == SOCK_DGRAM) {
1735 union BIO_sock_info_u peer_info;
1737 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
1738 if ((peer_info.addr = BIO_ADDR_new()) == NULL) {
1739 BIO_printf(bio_err, "memory allocation failure\n");
1743 if (!BIO_sock_info(s, BIO_SOCK_INFO_ADDRESS, &peer_info)) {
1744 BIO_printf(bio_err, "getsockname:errno=%d\n",
1745 get_last_socket_error());
1746 BIO_ADDR_free(peer_info.addr);
1751 (void)BIO_ctrl_set_connected(sbio, peer_info.addr);
1752 BIO_ADDR_free(peer_info.addr);
1753 peer_info.addr = NULL;
1755 if (enable_timeouts) {
1757 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1758 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1761 timeout.tv_usec = DGRAM_SND_TIMEOUT;
1762 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1766 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
1767 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
1768 DTLS_get_link_min_mtu(con));
1772 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1773 if (!DTLS_set_link_mtu(con, socket_mtu)) {
1774 BIO_printf(bio_err, "Failed to set MTU\n");
1779 /* want to do MTU discovery */
1780 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1782 #endif /* OPENSSL_NO_DTLS */
1783 sbio = BIO_new_socket(s, BIO_NOCLOSE);
1788 test = BIO_new(BIO_f_nbio_test());
1789 sbio = BIO_push(test, sbio);
1793 BIO_set_callback(sbio, bio_dump_callback);
1794 BIO_set_callback_arg(sbio, (char *)bio_c_out);
1797 #ifndef OPENSSL_NO_SSL_TRACE
1799 SSL_set_msg_callback(con, SSL_trace);
1802 SSL_set_msg_callback(con, msg_cb);
1803 SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out);
1806 if (c_tlsextdebug) {
1807 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1808 SSL_set_tlsext_debug_arg(con, bio_c_out);
1810 #ifndef OPENSSL_NO_OCSP
1812 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
1813 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
1814 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
1818 SSL_set_bio(con, sbio, sbio);
1819 SSL_set_connect_state(con);
1821 /* ok, lets connect */
1822 width = SSL_get_fd(con) + 1;
1835 switch ((PROTOCOL_CHOICE) starttls_proto) {
1841 * This is an ugly hack that does a lot of assumptions. We do
1842 * have to handle multi-line responses which may come in a single
1843 * packet or not. We therefore have to use BIO_gets() which does
1844 * need a buffering BIO. So during the initial chitchat we do
1845 * push a buffering BIO into the chain that is removed again
1846 * later on to not disturb the rest of the s_client operation.
1849 BIO *fbio = BIO_new(BIO_f_buffer());
1850 BIO_push(fbio, sbio);
1851 /* wait for multi-line response to end from SMTP */
1853 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1855 while (mbuf_len > 3 && mbuf[3] == '-');
1856 BIO_printf(fbio, "EHLO %s\r\n", ehlo);
1857 (void)BIO_flush(fbio);
1858 /* wait for multi-line response to end EHLO SMTP response */
1860 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1861 if (strstr(mbuf, "STARTTLS"))
1864 while (mbuf_len > 3 && mbuf[3] == '-');
1865 (void)BIO_flush(fbio);
1870 "didn't find starttls in server response,"
1871 " trying anyway...\n");
1872 BIO_printf(sbio, "STARTTLS\r\n");
1873 BIO_read(sbio, sbuf, BUFSIZZ);
1878 BIO_read(sbio, mbuf, BUFSIZZ);
1879 BIO_printf(sbio, "STLS\r\n");
1880 mbuf_len = BIO_read(sbio, sbuf, BUFSIZZ);
1882 BIO_printf(bio_err, "BIO_read failed\n");
1890 BIO *fbio = BIO_new(BIO_f_buffer());
1891 BIO_push(fbio, sbio);
1892 BIO_gets(fbio, mbuf, BUFSIZZ);
1893 /* STARTTLS command requires CAPABILITY... */
1894 BIO_printf(fbio, ". CAPABILITY\r\n");
1895 (void)BIO_flush(fbio);
1896 /* wait for multi-line CAPABILITY response */
1898 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1899 if (strstr(mbuf, "STARTTLS"))
1902 while (mbuf_len > 3 && mbuf[0] != '.');
1903 (void)BIO_flush(fbio);
1908 "didn't find STARTTLS in server response,"
1909 " trying anyway...\n");
1910 BIO_printf(sbio, ". STARTTLS\r\n");
1911 BIO_read(sbio, sbuf, BUFSIZZ);
1916 BIO *fbio = BIO_new(BIO_f_buffer());
1917 BIO_push(fbio, sbio);
1918 /* wait for multi-line response to end from FTP */
1920 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1922 while (mbuf_len > 3 && mbuf[3] == '-');
1923 (void)BIO_flush(fbio);
1926 BIO_printf(sbio, "AUTH TLS\r\n");
1927 BIO_read(sbio, sbuf, BUFSIZZ);
1931 case PROTO_XMPP_SERVER:
1934 BIO_printf(sbio, "<stream:stream "
1935 "xmlns:stream='http://etherx.jabber.org/streams' "
1936 "xmlns='jabber:%s' to='%s' version='1.0'>",
1937 starttls_proto == PROTO_XMPP ? "client" : "server",
1938 xmpphost ? xmpphost : host);
1939 seen = BIO_read(sbio, mbuf, BUFSIZZ);
1942 (mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")
1944 "<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\""))
1946 seen = BIO_read(sbio, mbuf, BUFSIZZ);
1954 "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
1955 seen = BIO_read(sbio, sbuf, BUFSIZZ);
1957 if (!strstr(sbuf, "<proceed"))
1964 static const unsigned char tls_do[] = {
1965 /* IAC DO START_TLS */
1968 static const unsigned char tls_will[] = {
1969 /* IAC WILL START_TLS */
1972 static const unsigned char tls_follows[] = {
1973 /* IAC SB START_TLS FOLLOWS IAC SE */
1974 255, 250, 46, 1, 255, 240
1978 /* Telnet server should demand we issue START_TLS */
1979 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
1980 if (bytes != 3 || memcmp(mbuf, tls_do, 3) != 0)
1982 /* Agree to issue START_TLS and send the FOLLOWS sub-command */
1983 BIO_write(sbio, tls_will, 3);
1984 BIO_write(sbio, tls_follows, 6);
1985 (void)BIO_flush(sbio);
1986 /* Telnet server also sent the FOLLOWS sub-command */
1987 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
1988 if (bytes != 6 || memcmp(mbuf, tls_follows, 6) != 0)
1995 BIO *fbio = BIO_new(BIO_f_buffer());
1997 BIO_push(fbio, sbio);
1998 BIO_printf(fbio, "CONNECT %s HTTP/1.0\r\n\r\n", connectstr);
1999 (void)BIO_flush(fbio);
2000 /* wait for multi-line response to end CONNECT response */
2002 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2003 if (strstr(mbuf, "200") != NULL
2004 && strstr(mbuf, "established") != NULL)
2006 } while (mbuf_len > 3 && foundit == 0);
2007 (void)BIO_flush(fbio);
2011 BIO_printf(bio_err, "%s: HTTP CONNECT failed\n", prog);
2019 BIO *fbio = BIO_new(BIO_f_buffer());
2021 BIO_push(fbio, sbio);
2022 BIO_printf(fbio, "STARTTLS\r\n");
2023 (void)BIO_flush(fbio);
2024 width = SSL_get_fd(con) + 1;
2030 openssl_fdset(SSL_get_fd(con), &readfds);
2031 timeout.tv_sec = S_CLIENT_IRC_READ_TIMEOUT;
2032 timeout.tv_usec = 0;
2034 * If the IRCd doesn't respond within
2035 * S_CLIENT_IRC_READ_TIMEOUT seconds, assume
2036 * it doesn't support STARTTLS. Many IRCds
2037 * will not give _any_ sort of response to a
2038 * STARTTLS command when it's not supported.
2040 if (!BIO_get_buffer_num_lines(fbio)
2041 && !BIO_pending(fbio)
2042 && !BIO_pending(sbio)
2043 && select(width, (void *)&readfds, NULL, NULL,
2046 "Timeout waiting for response (%d seconds).\n",
2047 S_CLIENT_IRC_READ_TIMEOUT);
2051 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2052 if (mbuf_len < 1 || sscanf(mbuf, "%*s %d", &numeric) != 1)
2054 /* :example.net 451 STARTTLS :You have not registered */
2055 /* :example.net 421 STARTTLS :Unknown command */
2056 if ((numeric == 451 || numeric == 421)
2057 && strstr(mbuf, "STARTTLS") != NULL) {
2058 BIO_printf(bio_err, "STARTTLS not supported: %s", mbuf);
2061 if (numeric == 691) {
2062 BIO_printf(bio_err, "STARTTLS negotiation failed: ");
2063 ERR_print_errors(bio_err);
2066 } while (numeric != 670);
2068 (void)BIO_flush(fbio);
2071 if (numeric != 670) {
2072 BIO_printf(bio_err, "Server does not support STARTTLS.\n");
2083 if ((SSL_version(con) == DTLS1_VERSION) &&
2084 DTLSv1_get_timeout(con, &timeout))
2085 timeoutp = &timeout;
2089 if (SSL_in_init(con) && !SSL_total_renegotiations(con)) {
2097 if (servername != NULL && !SSL_session_reused(con)) {
2098 BIO_printf(bio_c_out,
2099 "Server did %sacknowledge servername extension.\n",
2100 tlsextcbp.ack ? "" : "not ");
2104 BIO *stmp = BIO_new_file(sess_out, "w");
2106 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));
2109 BIO_printf(bio_err, "Error writing session file %s\n",
2113 BIO_puts(bio_err, "CONNECTION ESTABLISHED\n");
2114 print_ssl_summary(con);
2117 print_stuff(bio_c_out, con, full_log);
2121 if (starttls_proto) {
2122 BIO_write(bio_err, mbuf, mbuf_len);
2123 /* We don't need to know any more */
2125 starttls_proto = PROTO_OFF;
2130 BIO_printf(bio_c_out,
2131 "drop connection and then reconnect\n");
2132 do_ssl_shutdown(con);
2133 SSL_set_connect_state(con);
2134 BIO_closesocket(SSL_get_fd(con));
2140 ssl_pending = read_ssl && SSL_has_pending(con);
2143 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
2146 * Note that select() returns when read _would not block_,
2147 * and EOF satisfies that. To avoid a CPU-hogging loop,
2148 * set the flag so we exit.
2150 if (read_tty && !at_eof)
2151 openssl_fdset(fileno(stdin), &readfds);
2153 openssl_fdset(fileno(stdout), &writefds);
2156 openssl_fdset(SSL_get_fd(con), &readfds);
2158 openssl_fdset(SSL_get_fd(con), &writefds);
2160 if (!tty_on || !write_tty) {
2162 openssl_fdset(SSL_get_fd(con), &readfds);
2164 openssl_fdset(SSL_get_fd(con), &writefds);
2169 * Note: under VMS with SOCKETSHR the second parameter is
2170 * currently of type (int *) whereas under other systems it is
2171 * (void *) if you don't have a cast it will choke the compiler:
2172 * if you do have a cast then you can either go for (int *) or
2175 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2177 * Under Windows/DOS we make the assumption that we can always
2178 * write to the tty: therefore if we need to write to the tty we
2179 * just fall through. Otherwise we timeout the select every
2180 * second and see if there are any keypresses. Note: this is a
2181 * hack, in a proper Windows application we wouldn't do this.
2188 i = select(width, (void *)&readfds, (void *)&writefds,
2190 if (!i && (!has_stdin_waiting() || !read_tty))
2193 i = select(width, (void *)&readfds, (void *)&writefds,
2197 i = select(width, (void *)&readfds, (void *)&writefds,
2201 BIO_printf(bio_err, "bad select %d\n",
2202 get_last_socket_error());
2208 if ((SSL_version(con) == DTLS1_VERSION)
2209 && DTLSv1_handle_timeout(con) > 0) {
2210 BIO_printf(bio_err, "TIMEOUT occurred\n");
2213 if (!ssl_pending && FD_ISSET(SSL_get_fd(con), &writefds)) {
2214 k = SSL_write(con, &(cbuf[cbuf_off]), (unsigned int)cbuf_len);
2215 switch (SSL_get_error(con, k)) {
2216 case SSL_ERROR_NONE:
2221 /* we have done a write(con,NULL,0); */
2222 if (cbuf_len <= 0) {
2225 } else { /* if (cbuf_len > 0) */
2231 case SSL_ERROR_WANT_WRITE:
2232 BIO_printf(bio_c_out, "write W BLOCK\n");
2236 case SSL_ERROR_WANT_ASYNC:
2237 BIO_printf(bio_c_out, "write A BLOCK\n");
2238 wait_for_async(con);
2242 case SSL_ERROR_WANT_READ:
2243 BIO_printf(bio_c_out, "write R BLOCK\n");
2248 case SSL_ERROR_WANT_X509_LOOKUP:
2249 BIO_printf(bio_c_out, "write X BLOCK\n");
2251 case SSL_ERROR_ZERO_RETURN:
2252 if (cbuf_len != 0) {
2253 BIO_printf(bio_c_out, "shutdown\n");
2262 case SSL_ERROR_SYSCALL:
2263 if ((k != 0) || (cbuf_len != 0)) {
2264 BIO_printf(bio_err, "write:errno=%d\n",
2265 get_last_socket_error());
2272 case SSL_ERROR_WANT_ASYNC_JOB:
2273 /* This shouldn't ever happen in s_client - treat as an error */
2275 ERR_print_errors(bio_err);
2279 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2280 /* Assume Windows/DOS/BeOS can always write */
2281 else if (!ssl_pending && write_tty)
2283 else if (!ssl_pending && FD_ISSET(fileno(stdout), &writefds))
2286 #ifdef CHARSET_EBCDIC
2287 ascii2ebcdic(&(sbuf[sbuf_off]), &(sbuf[sbuf_off]), sbuf_len);
2289 i = raw_write_stdout(&(sbuf[sbuf_off]), sbuf_len);
2292 BIO_printf(bio_c_out, "DONE\n");
2300 if (sbuf_len <= 0) {
2304 } else if (ssl_pending || FD_ISSET(SSL_get_fd(con), &readfds)) {
2309 SSL_renegotiate(con);
2314 k = SSL_read(con, sbuf, 1024 /* BUFSIZZ */ );
2316 switch (SSL_get_error(con, k)) {
2317 case SSL_ERROR_NONE:
2326 case SSL_ERROR_WANT_ASYNC:
2327 BIO_printf(bio_c_out, "read A BLOCK\n");
2328 wait_for_async(con);
2331 if ((read_tty == 0) && (write_ssl == 0))
2334 case SSL_ERROR_WANT_WRITE:
2335 BIO_printf(bio_c_out, "read W BLOCK\n");
2339 case SSL_ERROR_WANT_READ:
2340 BIO_printf(bio_c_out, "read R BLOCK\n");
2343 if ((read_tty == 0) && (write_ssl == 0))
2346 case SSL_ERROR_WANT_X509_LOOKUP:
2347 BIO_printf(bio_c_out, "read X BLOCK\n");
2349 case SSL_ERROR_SYSCALL:
2350 ret = get_last_socket_error();
2352 BIO_puts(bio_err, "CONNECTION CLOSED BY SERVER\n");
2354 BIO_printf(bio_err, "read:errno=%d\n", ret);
2356 case SSL_ERROR_ZERO_RETURN:
2357 BIO_printf(bio_c_out, "closed\n");
2360 case SSL_ERROR_WANT_ASYNC_JOB:
2361 /* This shouldn't ever happen in s_client. Treat as an error */
2363 ERR_print_errors(bio_err);
2368 /* OPENSSL_SYS_MSDOS includes OPENSSL_SYS_WINDOWS */
2369 #if defined(OPENSSL_SYS_MSDOS)
2370 else if (has_stdin_waiting())
2372 else if (FD_ISSET(fileno(stdin), &readfds))
2378 i = raw_read_stdin(cbuf, BUFSIZZ / 2);
2380 /* both loops are skipped when i <= 0 */
2381 for (j = 0; j < i; j++)
2382 if (cbuf[j] == '\n')
2384 for (j = i - 1; j >= 0; j--) {
2385 cbuf[j + lf_num] = cbuf[j];
2386 if (cbuf[j] == '\n') {
2389 cbuf[j + lf_num] = '\r';
2392 assert(lf_num == 0);
2394 i = raw_read_stdin(cbuf, BUFSIZZ);
2399 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q' && cmdletters))) {
2400 BIO_printf(bio_err, "DONE\n");
2405 if ((!c_ign_eof) && (cbuf[0] == 'R' && cmdletters)) {
2406 BIO_printf(bio_err, "RENEGOTIATING\n");
2407 SSL_renegotiate(con);
2410 #ifndef OPENSSL_NO_HEARTBEATS
2411 else if ((!c_ign_eof) && (cbuf[0] == 'B' && cmdletters)) {
2412 BIO_printf(bio_err, "HEARTBEATING\n");
2420 #ifdef CHARSET_EBCDIC
2421 ebcdic2ascii(cbuf, cbuf, i);
2433 print_stuff(bio_c_out, con, full_log);
2434 do_ssl_shutdown(con);
2435 #if defined(OPENSSL_SYS_WINDOWS)
2437 * Give the socket time to send its last data before we close it.
2438 * No amount of setting SO_LINGER etc on the socket seems to persuade
2439 * Windows to send the data before closing the socket...but sleeping
2440 * for a short time seems to do it (units in ms)
2441 * TODO: Find a better way to do this
2445 BIO_closesocket(SSL_get_fd(con));
2449 print_stuff(bio_c_out, con, 1);
2452 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2453 OPENSSL_free(next_proto.data);
2457 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2459 sk_X509_pop_free(chain, X509_free);
2461 #ifndef OPENSSL_NO_SRP
2462 OPENSSL_free(srp_arg.srppassin);
2466 X509_VERIFY_PARAM_free(vpm);
2467 ssl_excert_free(exc);
2468 sk_OPENSSL_STRING_free(ssl_args);
2469 sk_OPENSSL_STRING_free(dane_tlsa_rrset);
2470 SSL_CONF_CTX_free(cctx);
2471 OPENSSL_clear_free(cbuf, BUFSIZZ);
2472 OPENSSL_clear_free(sbuf, BUFSIZZ);
2473 OPENSSL_clear_free(mbuf, BUFSIZZ);
2474 BIO_free(bio_c_out);
2476 BIO_free(bio_c_msg);
2481 static void print_stuff(BIO *bio, SSL *s, int full)
2486 STACK_OF(X509_NAME) *sk2;
2487 const SSL_CIPHER *c;
2490 #ifndef OPENSSL_NO_COMP
2491 const COMP_METHOD *comp, *expansion;
2493 unsigned char *exportedkeymat;
2494 #ifndef OPENSSL_NO_CT
2495 const SSL_CTX *ctx = SSL_get_SSL_CTX(s);
2499 int got_a_chain = 0;
2501 sk = SSL_get_peer_cert_chain(s);
2505 BIO_printf(bio, "---\nCertificate chain\n");
2506 for (i = 0; i < sk_X509_num(sk); i++) {
2507 X509_NAME_oneline(X509_get_subject_name(sk_X509_value(sk, i)),
2509 BIO_printf(bio, "%2d s:%s\n", i, buf);
2510 X509_NAME_oneline(X509_get_issuer_name(sk_X509_value(sk, i)),
2512 BIO_printf(bio, " i:%s\n", buf);
2514 PEM_write_bio_X509(bio, sk_X509_value(sk, i));
2518 BIO_printf(bio, "---\n");
2519 peer = SSL_get_peer_certificate(s);
2521 BIO_printf(bio, "Server certificate\n");
2523 /* Redundant if we showed the whole chain */
2524 if (!(c_showcerts && got_a_chain))
2525 PEM_write_bio_X509(bio, peer);
2526 X509_NAME_oneline(X509_get_subject_name(peer), buf, sizeof buf);
2527 BIO_printf(bio, "subject=%s\n", buf);
2528 X509_NAME_oneline(X509_get_issuer_name(peer), buf, sizeof buf);
2529 BIO_printf(bio, "issuer=%s\n", buf);
2531 BIO_printf(bio, "no peer certificate available\n");
2533 sk2 = SSL_get_client_CA_list(s);
2534 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0)) {
2535 BIO_printf(bio, "---\nAcceptable client certificate CA names\n");
2536 for (i = 0; i < sk_X509_NAME_num(sk2); i++) {
2537 xn = sk_X509_NAME_value(sk2, i);
2538 X509_NAME_oneline(xn, buf, sizeof(buf));
2539 BIO_write(bio, buf, strlen(buf));
2540 BIO_write(bio, "\n", 1);
2543 BIO_printf(bio, "---\nNo client certificate CA names sent\n");
2546 ssl_print_sigalgs(bio, s);
2547 ssl_print_tmp_key(bio, s);
2549 #ifndef OPENSSL_NO_CT
2551 * When the SSL session is anonymous, or resumed via an abbreviated
2552 * handshake, no SCTs are provided as part of the handshake. While in
2553 * a resumed session SCTs may be present in the session's certificate,
2554 * no callbacks are invoked to revalidate these, and in any case that
2555 * set of SCTs may be incomplete. Thus it makes little sense to
2556 * attempt to display SCTs from a resumed session's certificate, and of
2557 * course none are associated with an anonymous peer.
2559 if (peer != NULL && !SSL_session_reused(s) && SSL_ct_is_enabled(s)) {
2560 const STACK_OF(SCT) *scts = SSL_get0_peer_scts(s);
2561 int sct_count = scts != NULL ? sk_SCT_num(scts) : 0;
2563 BIO_printf(bio, "---\nSCTs present (%i)\n", sct_count);
2564 if (sct_count > 0) {
2565 const CTLOG_STORE *log_store = SSL_CTX_get0_ctlog_store(ctx);
2567 BIO_printf(bio, "---\n");
2568 for (i = 0; i < sct_count; ++i) {
2569 SCT *sct = sk_SCT_value(scts, i);
2571 BIO_printf(bio, "SCT validation status: %s\n",
2572 SCT_validation_status_string(sct));
2573 SCT_print(sct, bio, 0, log_store);
2574 if (i < sct_count - 1)
2575 BIO_printf(bio, "\n---\n");
2577 BIO_printf(bio, "\n");
2583 "---\nSSL handshake has read %" PRIu64
2584 " bytes and written %" PRIu64 " bytes\n",
2585 BIO_number_read(SSL_get_rbio(s)),
2586 BIO_number_written(SSL_get_wbio(s)));
2588 print_verify_detail(s, bio);
2589 BIO_printf(bio, (SSL_session_reused(s) ? "---\nReused, " : "---\nNew, "));
2590 c = SSL_get_current_cipher(s);
2591 BIO_printf(bio, "%s, Cipher is %s\n",
2592 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
2596 pktmp = X509_get0_pubkey(peer);
2597 BIO_printf(bio, "Server public key is %d bit\n",
2598 EVP_PKEY_bits(pktmp));
2600 BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
2601 SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
2602 #ifndef OPENSSL_NO_COMP
2603 comp = SSL_get_current_compression(s);
2604 expansion = SSL_get_current_expansion(s);
2605 BIO_printf(bio, "Compression: %s\n",
2606 comp ? SSL_COMP_get_name(comp) : "NONE");
2607 BIO_printf(bio, "Expansion: %s\n",
2608 expansion ? SSL_COMP_get_name(expansion) : "NONE");
2613 /* Print out local port of connection: useful for debugging */
2615 union BIO_sock_info_u info;
2617 sock = SSL_get_fd(s);
2618 if ((info.addr = BIO_ADDR_new()) != NULL
2619 && BIO_sock_info(sock, BIO_SOCK_INFO_ADDRESS, &info)) {
2620 BIO_printf(bio_c_out, "LOCAL PORT is %u\n",
2621 ntohs(BIO_ADDR_rawport(info.addr)));
2623 BIO_ADDR_free(info.addr);
2627 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2628 if (next_proto.status != -1) {
2629 const unsigned char *proto;
2630 unsigned int proto_len;
2631 SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
2632 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
2633 BIO_write(bio, proto, proto_len);
2634 BIO_write(bio, "\n", 1);
2638 const unsigned char *proto;
2639 unsigned int proto_len;
2640 SSL_get0_alpn_selected(s, &proto, &proto_len);
2641 if (proto_len > 0) {
2642 BIO_printf(bio, "ALPN protocol: ");
2643 BIO_write(bio, proto, proto_len);
2644 BIO_write(bio, "\n", 1);
2646 BIO_printf(bio, "No ALPN negotiated\n");
2649 #ifndef OPENSSL_NO_SRTP
2651 SRTP_PROTECTION_PROFILE *srtp_profile =
2652 SSL_get_selected_srtp_profile(s);
2655 BIO_printf(bio, "SRTP Extension negotiated, profile=%s\n",
2656 srtp_profile->name);
2660 SSL_SESSION_print(bio, SSL_get_session(s));
2661 if (SSL_get_session(s) != NULL && keymatexportlabel != NULL) {
2662 BIO_printf(bio, "Keying material exporter:\n");
2663 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel);
2664 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen);
2665 exportedkeymat = app_malloc(keymatexportlen, "export key");
2666 if (!SSL_export_keying_material(s, exportedkeymat,
2669 strlen(keymatexportlabel),
2671 BIO_printf(bio, " Error\n");
2673 BIO_printf(bio, " Keying material: ");
2674 for (i = 0; i < keymatexportlen; i++)
2675 BIO_printf(bio, "%02X", exportedkeymat[i]);
2676 BIO_printf(bio, "\n");
2678 OPENSSL_free(exportedkeymat);
2680 BIO_printf(bio, "---\n");
2682 /* flush, or debugging output gets mixed with http response */
2683 (void)BIO_flush(bio);
2686 # ifndef OPENSSL_NO_OCSP
2687 static int ocsp_resp_cb(SSL *s, void *arg)
2689 const unsigned char *p;
2692 len = SSL_get_tlsext_status_ocsp_resp(s, &p);
2693 BIO_puts(arg, "OCSP response: ");
2695 BIO_puts(arg, "no response sent\n");
2698 rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
2700 BIO_puts(arg, "response parse error\n");
2701 BIO_dump_indent(arg, (char *)p, len, 4);
2704 BIO_puts(arg, "\n======================================\n");
2705 OCSP_RESPONSE_print(arg, rsp, 0);
2706 BIO_puts(arg, "======================================\n");
2707 OCSP_RESPONSE_free(rsp);
2712 #endif /* OPENSSL_NO_SOCK */