2 * Copyright 1995-2017 The OpenSSL Project Authors. All Rights Reserved.
3 * Copyright 2005 Nokia. All rights reserved.
5 * Licensed under the OpenSSL license (the "License"). You may not use
6 * this file except in compliance with the License. You can obtain a copy
7 * in the file LICENSE in the source distribution or at
8 * https://www.openssl.org/source/license.html
16 #include <openssl/e_os2.h>
18 #ifndef OPENSSL_NO_SOCK
21 * With IPv6, it looks like Digital has mixed up the proper order of
22 * recursive header file inclusion, resulting in the compiler complaining
23 * that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which is
24 * needed to have fileno() declared correctly... So let's define u_int
26 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
28 typedef unsigned int u_int;
33 #include <openssl/x509.h>
34 #include <openssl/ssl.h>
35 #include <openssl/err.h>
36 #include <openssl/pem.h>
37 #include <openssl/rand.h>
38 #include <openssl/ocsp.h>
39 #include <openssl/bn.h>
40 #include <openssl/async.h>
41 #ifndef OPENSSL_NO_SRP
42 # include <openssl/srp.h>
45 # include <openssl/ct.h>
50 #if defined(__has_feature)
51 # if __has_feature(memory_sanitizer)
52 # include <sanitizer/msan_interface.h>
57 #define BUFSIZZ 1024*8
58 #define S_CLIENT_IRC_READ_TIMEOUT 8
61 static int c_debug = 0;
62 static int c_showcerts = 0;
63 static char *keymatexportlabel = NULL;
64 static int keymatexportlen = 20;
65 static BIO *bio_c_out = NULL;
66 static int c_quiet = 0;
67 static char *sess_out = NULL;
68 static SSL_SESSION *psksess = NULL;
70 static void print_stuff(BIO *berr, SSL *con, int full);
71 #ifndef OPENSSL_NO_OCSP
72 static int ocsp_resp_cb(SSL *s, void *arg);
74 static int ldap_ExtendedResponse_parse(const char *buf, long rem);
76 static int saved_errno;
78 static void save_errno(void)
84 static int restore_errno(void)
91 static void do_ssl_shutdown(SSL *ssl)
96 /* We only do unidirectional shutdown */
97 ret = SSL_shutdown(ssl);
99 switch (SSL_get_error(ssl, ret)) {
100 case SSL_ERROR_WANT_READ:
101 case SSL_ERROR_WANT_WRITE:
102 case SSL_ERROR_WANT_ASYNC:
103 case SSL_ERROR_WANT_ASYNC_JOB:
104 /* We just do busy waiting. Nothing clever */
112 /* Default PSK identity and key */
113 static char *psk_identity = "Client_identity";
115 #ifndef OPENSSL_NO_PSK
116 static unsigned int psk_client_cb(SSL *ssl, const char *hint, char *identity,
117 unsigned int max_identity_len,
119 unsigned int max_psk_len)
126 BIO_printf(bio_c_out, "psk_client_cb\n");
128 /* no ServerKeyExchange message */
130 BIO_printf(bio_c_out,
131 "NULL received PSK identity hint, continuing anyway\n");
132 } else if (c_debug) {
133 BIO_printf(bio_c_out, "Received PSK identity hint '%s'\n", hint);
137 * lookup PSK identity and PSK key based on the given identity hint here
139 ret = BIO_snprintf(identity, max_identity_len, "%s", psk_identity);
140 if (ret < 0 || (unsigned int)ret > max_identity_len)
143 BIO_printf(bio_c_out, "created identity '%s' len=%d\n", identity,
146 /* convert the PSK key to binary */
147 key = OPENSSL_hexstr2buf(psk_key, &key_len);
149 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n",
153 if (max_psk_len > INT_MAX || key_len > (long)max_psk_len) {
155 "psk buffer of callback is too small (%d) for key (%ld)\n",
156 max_psk_len, key_len);
161 memcpy(psk, key, key_len);
165 BIO_printf(bio_c_out, "created PSK len=%ld\n", key_len);
170 BIO_printf(bio_err, "Error in PSK client callback\n");
175 #define TLS13_AES_128_GCM_SHA256_BYTES ((const unsigned char *)"\x13\x01")
176 #define TLS13_AES_256_GCM_SHA384_BYTES ((const unsigned char *)"\x13\x02")
178 static int psk_use_session_cb(SSL *s, const EVP_MD *md,
179 const unsigned char **id, size_t *idlen,
182 SSL_SESSION *usesess = NULL;
183 const SSL_CIPHER *cipher = NULL;
185 if (psksess != NULL) {
186 SSL_SESSION_up_ref(psksess);
190 unsigned char *key = OPENSSL_hexstr2buf(psk_key, &key_len);
193 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n",
198 if (key_len == EVP_MD_size(EVP_sha256()))
199 cipher = SSL_CIPHER_find(s, TLS13_AES_128_GCM_SHA256_BYTES);
200 else if(key_len == EVP_MD_size(EVP_sha384()))
201 cipher = SSL_CIPHER_find(s, TLS13_AES_256_GCM_SHA384_BYTES);
203 if (cipher == NULL) {
204 /* Doesn't look like a suitable TLSv1.3 key. Ignore it */
208 usesess = SSL_SESSION_new();
210 || !SSL_SESSION_set1_master_key(usesess, key, key_len)
211 || !SSL_SESSION_set_cipher(usesess, cipher)
212 || !SSL_SESSION_set_protocol_version(usesess, TLS1_3_VERSION)) {
219 cipher = SSL_SESSION_get0_cipher(usesess);
224 if (md != NULL && SSL_CIPHER_get_handshake_digest(cipher) != md)
229 *id = (unsigned char *)psk_identity;
230 *idlen = strlen(psk_identity);
235 SSL_SESSION_free(usesess);
239 /* This is a context that we pass to callbacks */
240 typedef struct tlsextctx_st {
245 static int ssl_servername_cb(SSL *s, int *ad, void *arg)
247 tlsextctx *p = (tlsextctx *) arg;
248 const char *hn = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
249 if (SSL_get_servername_type(s) != -1)
250 p->ack = !SSL_session_reused(s) && hn != NULL;
252 BIO_printf(bio_err, "Can't use SSL_get_servername\n");
254 return SSL_TLSEXT_ERR_OK;
257 #ifndef OPENSSL_NO_SRP
259 /* This is a context that we pass to all callbacks */
260 typedef struct srp_arg_st {
263 int msg; /* copy from c_msg */
264 int debug; /* copy from c_debug */
265 int amp; /* allow more groups */
266 int strength; /* minimal size for N */
269 # define SRP_NUMBER_ITERATIONS_FOR_PRIME 64
271 static int srp_Verify_N_and_g(const BIGNUM *N, const BIGNUM *g)
273 BN_CTX *bn_ctx = BN_CTX_new();
274 BIGNUM *p = BN_new();
275 BIGNUM *r = BN_new();
277 g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) &&
278 BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) == 1 &&
279 p != NULL && BN_rshift1(p, N) &&
281 BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) == 1 &&
283 /* verify g^((N-1)/2) == -1 (mod N) */
284 BN_mod_exp(r, g, p, N, bn_ctx) &&
285 BN_add_word(r, 1) && BN_cmp(r, N) == 0;
294 * This callback is used here for two purposes:
295 * - extended debugging
296 * - making some primality tests for unknown groups
297 * The callback is only called for a non default group.
299 * An application does not need the call back at all if
300 * only the standard groups are used. In real life situations,
301 * client and server already share well known groups,
302 * thus there is no need to verify them.
303 * Furthermore, in case that a server actually proposes a group that
304 * is not one of those defined in RFC 5054, it is more appropriate
305 * to add the group to a static list and then compare since
306 * primality tests are rather cpu consuming.
309 static int ssl_srp_verify_param_cb(SSL *s, void *arg)
311 SRP_ARG *srp_arg = (SRP_ARG *)arg;
312 BIGNUM *N = NULL, *g = NULL;
314 if (((N = SSL_get_srp_N(s)) == NULL) || ((g = SSL_get_srp_g(s)) == NULL))
316 if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1) {
317 BIO_printf(bio_err, "SRP parameters:\n");
318 BIO_printf(bio_err, "\tN=");
319 BN_print(bio_err, N);
320 BIO_printf(bio_err, "\n\tg=");
321 BN_print(bio_err, g);
322 BIO_printf(bio_err, "\n");
325 if (SRP_check_known_gN_param(g, N))
328 if (srp_arg->amp == 1) {
331 "SRP param N and g are not known params, going to check deeper.\n");
334 * The srp_moregroups is a real debugging feature. Implementors
335 * should rather add the value to the known ones. The minimal size
336 * has already been tested.
338 if (BN_num_bits(g) <= BN_BITS && srp_Verify_N_and_g(N, g))
341 BIO_printf(bio_err, "SRP param N and g rejected.\n");
345 # define PWD_STRLEN 1024
347 static char *ssl_give_srp_client_pwd_cb(SSL *s, void *arg)
349 SRP_ARG *srp_arg = (SRP_ARG *)arg;
350 char *pass = app_malloc(PWD_STRLEN + 1, "SRP password buffer");
354 cb_tmp.password = (char *)srp_arg->srppassin;
355 cb_tmp.prompt_info = "SRP user";
356 if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp)) < 0) {
357 BIO_printf(bio_err, "Can't read Password\n");
368 static char *srtp_profiles = NULL;
370 #ifndef OPENSSL_NO_NEXTPROTONEG
371 /* This the context that we pass to next_proto_cb */
372 typedef struct tlsextnextprotoctx_st {
376 } tlsextnextprotoctx;
378 static tlsextnextprotoctx next_proto;
380 static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen,
381 const unsigned char *in, unsigned int inlen,
384 tlsextnextprotoctx *ctx = arg;
387 /* We can assume that |in| is syntactically valid. */
389 BIO_printf(bio_c_out, "Protocols advertised by server: ");
390 for (i = 0; i < inlen;) {
392 BIO_write(bio_c_out, ", ", 2);
393 BIO_write(bio_c_out, &in[i + 1], in[i]);
396 BIO_write(bio_c_out, "\n", 1);
400 SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len);
401 return SSL_TLSEXT_ERR_OK;
403 #endif /* ndef OPENSSL_NO_NEXTPROTONEG */
405 static int serverinfo_cli_parse_cb(SSL *s, unsigned int ext_type,
406 const unsigned char *in, size_t inlen,
410 unsigned char ext_buf[4 + 65536];
412 /* Reconstruct the type/len fields prior to extension data */
413 ext_buf[0] = ext_type >> 8;
414 ext_buf[1] = ext_type & 0xFF;
415 ext_buf[2] = inlen >> 8;
416 ext_buf[3] = inlen & 0xFF;
417 memcpy(ext_buf + 4, in, inlen);
419 BIO_snprintf(pem_name, sizeof(pem_name), "SERVERINFO FOR EXTENSION %d",
421 PEM_write_bio(bio_c_out, pem_name, "", ext_buf, 4 + inlen);
426 * Hex decoder that tolerates optional whitespace. Returns number of bytes
427 * produced, advances inptr to end of input string.
429 static ossl_ssize_t hexdecode(const char **inptr, void *result)
431 unsigned char **out = (unsigned char **)result;
432 const char *in = *inptr;
433 unsigned char *ret = app_malloc(strlen(in) / 2, "hexdecode");
434 unsigned char *cp = ret;
441 for (byte = 0; *in; ++in) {
444 if (isspace(_UC(*in)))
446 x = OPENSSL_hexchar2int(*in);
452 if ((nibble ^= 1) == 0) {
465 return cp - (*out = ret);
469 * Decode unsigned 0..255, returns 1 on success, <= 0 on failure. Advances
470 * inptr to next field skipping leading whitespace.
472 static ossl_ssize_t checked_uint8(const char **inptr, void *out)
474 uint8_t *result = (uint8_t *)out;
475 const char *in = *inptr;
481 v = strtol(in, &endp, 10);
484 if (((v == LONG_MIN || v == LONG_MAX) && e == ERANGE) ||
485 endp == in || !isspace(_UC(*endp)) ||
486 v != (*result = (uint8_t) v)) {
489 for (in = endp; isspace(_UC(*in)); ++in)
499 ossl_ssize_t (*parser)(const char **, void *);
502 static int tlsa_import_rr(SSL *con, const char *rrdata)
504 /* Not necessary to re-init these values; the "parsers" do that. */
505 static uint8_t usage;
506 static uint8_t selector;
507 static uint8_t mtype;
508 static unsigned char *data;
509 static struct tlsa_field tlsa_fields[] = {
510 { &usage, "usage", checked_uint8 },
511 { &selector, "selector", checked_uint8 },
512 { &mtype, "mtype", checked_uint8 },
513 { &data, "data", hexdecode },
516 struct tlsa_field *f;
518 const char *cp = rrdata;
519 ossl_ssize_t len = 0;
521 for (f = tlsa_fields; f->var; ++f) {
522 /* Returns number of bytes produced, advances cp to next field */
523 if ((len = f->parser(&cp, f->var)) <= 0) {
524 BIO_printf(bio_err, "%s: warning: bad TLSA %s field in: %s\n",
525 prog, f->name, rrdata);
529 /* The data field is last, so len is its length */
530 ret = SSL_dane_tlsa_add(con, usage, selector, mtype, data, len);
534 ERR_print_errors(bio_err);
535 BIO_printf(bio_err, "%s: warning: unusable TLSA rrdata: %s\n",
540 ERR_print_errors(bio_err);
541 BIO_printf(bio_err, "%s: warning: error loading TLSA rrdata: %s\n",
548 static int tlsa_import_rrset(SSL *con, STACK_OF(OPENSSL_STRING) *rrset)
550 int num = sk_OPENSSL_STRING_num(rrset);
554 for (i = 0; i < num; ++i) {
555 char *rrdata = sk_OPENSSL_STRING_value(rrset, i);
556 if (tlsa_import_rr(con, rrdata) > 0)
562 typedef enum OPTION_choice {
563 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
564 OPT_4, OPT_6, OPT_HOST, OPT_PORT, OPT_CONNECT, OPT_UNIX,
565 OPT_XMPPHOST, OPT_VERIFY, OPT_NAMEOPT,
566 OPT_CERT, OPT_CRL, OPT_CRL_DOWNLOAD, OPT_SESS_OUT, OPT_SESS_IN,
567 OPT_CERTFORM, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET,
568 OPT_BRIEF, OPT_PREXIT, OPT_CRLF, OPT_QUIET, OPT_NBIO,
569 OPT_SSL_CLIENT_ENGINE, OPT_RAND, OPT_IGN_EOF, OPT_NO_IGN_EOF,
570 OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_WDEBUG,
571 OPT_MSG, OPT_MSGFILE, OPT_ENGINE, OPT_TRACE, OPT_SECURITY_DEBUG,
572 OPT_SECURITY_DEBUG_VERBOSE, OPT_SHOWCERTS, OPT_NBIO_TEST, OPT_STATE,
573 OPT_PSK_IDENTITY, OPT_PSK,
575 #ifndef OPENSSL_NO_SRP
576 OPT_SRPUSER, OPT_SRPPASS, OPT_SRP_STRENGTH, OPT_SRP_LATEUSER,
579 OPT_SSL3, OPT_SSL_CONFIG,
580 OPT_TLS1_3, OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1,
581 OPT_DTLS1_2, OPT_SCTP, OPT_TIMEOUT, OPT_MTU, OPT_KEYFORM, OPT_PASS,
582 OPT_CERT_CHAIN, OPT_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH,
583 OPT_KEY, OPT_RECONNECT, OPT_BUILD_CHAIN, OPT_CAFILE, OPT_NOCAFILE,
584 OPT_CHAINCAFILE, OPT_VERIFYCAFILE, OPT_NEXTPROTONEG, OPT_ALPN,
585 OPT_SERVERINFO, OPT_STARTTLS, OPT_SERVERNAME, OPT_NOSERVERNAME, OPT_ASYNC,
586 OPT_USE_SRTP, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN, OPT_SMTPHOST,
587 OPT_MAX_SEND_FRAG, OPT_SPLIT_SEND_FRAG, OPT_MAX_PIPELINES, OPT_READ_BUF,
588 OPT_KEYLOG_FILE, OPT_EARLY_DATA, OPT_REQCAFILE,
592 OPT_FALLBACKSCSV, OPT_NOCMDS, OPT_PROXY, OPT_DANE_TLSA_DOMAIN,
593 #ifndef OPENSSL_NO_CT
594 OPT_CT, OPT_NOCT, OPT_CTLOG_FILE,
596 OPT_DANE_TLSA_RRDATA, OPT_DANE_EE_NO_NAME
599 const OPTIONS s_client_options[] = {
600 {"help", OPT_HELP, '-', "Display this summary"},
601 {"host", OPT_HOST, 's', "Use -connect instead"},
602 {"port", OPT_PORT, 'p', "Use -connect instead"},
603 {"connect", OPT_CONNECT, 's',
604 "TCP/IP where to connect (default is :" PORT ")"},
605 {"proxy", OPT_PROXY, 's',
606 "Connect to via specified proxy to the real server"},
608 {"unix", OPT_UNIX, 's', "Connect over the specified Unix-domain socket"},
610 {"4", OPT_4, '-', "Use IPv4 only"},
612 {"6", OPT_6, '-', "Use IPv6 only"},
614 {"verify", OPT_VERIFY, 'p', "Turn on peer certificate verification"},
615 {"cert", OPT_CERT, '<', "Certificate file to use, PEM format assumed"},
616 {"certform", OPT_CERTFORM, 'F',
617 "Certificate format (PEM or DER) PEM default"},
618 {"nameopt", OPT_NAMEOPT, 's', "Various certificate name options"},
619 {"key", OPT_KEY, 's', "Private key file to use, if not in -cert file"},
620 {"keyform", OPT_KEYFORM, 'E', "Key format (PEM, DER or engine) PEM default"},
621 {"pass", OPT_PASS, 's', "Private key file pass phrase source"},
622 {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
623 {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
624 {"no-CAfile", OPT_NOCAFILE, '-',
625 "Do not load the default certificates file"},
626 {"no-CApath", OPT_NOCAPATH, '-',
627 "Do not load certificates from the default certificates directory"},
628 {"requestCAfile", OPT_REQCAFILE, '<',
629 "PEM format file of CA names to send to the server"},
630 {"dane_tlsa_domain", OPT_DANE_TLSA_DOMAIN, 's', "DANE TLSA base domain"},
631 {"dane_tlsa_rrdata", OPT_DANE_TLSA_RRDATA, 's',
632 "DANE TLSA rrdata presentation form"},
633 {"dane_ee_no_namechecks", OPT_DANE_EE_NO_NAME, '-',
634 "Disable name checks when matching DANE-EE(3) TLSA records"},
635 {"reconnect", OPT_RECONNECT, '-',
636 "Drop and re-make the connection with the same Session-ID"},
637 {"showcerts", OPT_SHOWCERTS, '-', "Show all certificates in the chain"},
638 {"debug", OPT_DEBUG, '-', "Extra output"},
639 {"msg", OPT_MSG, '-', "Show protocol messages"},
640 {"msgfile", OPT_MSGFILE, '>',
641 "File to send output of -msg or -trace, instead of stdout"},
642 {"nbio_test", OPT_NBIO_TEST, '-', "More ssl protocol testing"},
643 {"state", OPT_STATE, '-', "Print the ssl states"},
644 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"},
645 {"quiet", OPT_QUIET, '-', "No s_client output"},
646 {"ign_eof", OPT_IGN_EOF, '-', "Ignore input eof (default when -quiet)"},
647 {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Don't ignore input eof"},
648 {"starttls", OPT_STARTTLS, 's',
649 "Use the appropriate STARTTLS command before starting TLS"},
650 {"xmpphost", OPT_XMPPHOST, 's',
651 "Host to use with \"-starttls xmpp[-server]\""},
652 {"rand", OPT_RAND, 's',
653 "Load the file(s) into the random number generator"},
654 {"sess_out", OPT_SESS_OUT, '>', "File to write SSL session to"},
655 {"sess_in", OPT_SESS_IN, '<', "File to read SSL session from"},
656 {"use_srtp", OPT_USE_SRTP, 's',
657 "Offer SRTP key management with a colon-separated profile list"},
658 {"keymatexport", OPT_KEYMATEXPORT, 's',
659 "Export keying material using label"},
660 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
661 "Export len bytes of keying material (default 20)"},
662 {"fallback_scsv", OPT_FALLBACKSCSV, '-', "Send the fallback SCSV"},
663 {"name", OPT_SMTPHOST, 's',
664 "Hostname to use for \"-starttls lmtp\" or \"-starttls smtp\""},
665 {"CRL", OPT_CRL, '<', "CRL file to use"},
666 {"crl_download", OPT_CRL_DOWNLOAD, '-', "Download CRL from distribution points"},
667 {"CRLform", OPT_CRLFORM, 'F', "CRL format (PEM or DER) PEM is default"},
668 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-',
669 "Close connection on verification error"},
670 {"verify_quiet", OPT_VERIFY_QUIET, '-', "Restrict verify output to errors"},
671 {"brief", OPT_BRIEF, '-',
672 "Restrict output to brief summary of connection parameters"},
673 {"prexit", OPT_PREXIT, '-',
674 "Print session information when the program exits"},
675 {"security_debug", OPT_SECURITY_DEBUG, '-',
676 "Enable security debug messages"},
677 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-',
678 "Output more security debug output"},
679 {"cert_chain", OPT_CERT_CHAIN, '<',
680 "Certificate chain file (in PEM format)"},
681 {"chainCApath", OPT_CHAINCAPATH, '/',
682 "Use dir as certificate store path to build CA certificate chain"},
683 {"verifyCApath", OPT_VERIFYCAPATH, '/',
684 "Use dir as certificate store path to verify CA certificate"},
685 {"build_chain", OPT_BUILD_CHAIN, '-', "Build certificate chain"},
686 {"chainCAfile", OPT_CHAINCAFILE, '<',
687 "CA file for certificate chain (PEM format)"},
688 {"verifyCAfile", OPT_VERIFYCAFILE, '<',
689 "CA file for certificate verification (PEM format)"},
690 {"nocommands", OPT_NOCMDS, '-', "Do not use interactive command letters"},
691 {"servername", OPT_SERVERNAME, 's',
692 "Set TLS extension servername (SNI) in ClientHello (default)"},
693 {"noservername", OPT_NOSERVERNAME, '-',
694 "Do not send the server name (SNI) extension in the ClientHello"},
695 {"tlsextdebug", OPT_TLSEXTDEBUG, '-',
696 "Hex dump of all TLS extensions received"},
697 #ifndef OPENSSL_NO_OCSP
698 {"status", OPT_STATUS, '-', "Request certificate status from server"},
700 {"serverinfo", OPT_SERVERINFO, 's',
701 "types Send empty ClientHello extensions (comma-separated numbers)"},
702 {"alpn", OPT_ALPN, 's',
703 "Enable ALPN extension, considering named protocols supported (comma-separated list)"},
704 {"async", OPT_ASYNC, '-', "Support asynchronous operation"},
705 {"ssl_config", OPT_SSL_CONFIG, 's', "Use specified configuration file"},
706 {"max_send_frag", OPT_MAX_SEND_FRAG, 'p', "Maximum Size of send frames "},
707 {"split_send_frag", OPT_SPLIT_SEND_FRAG, 'p',
708 "Size used to split data for encrypt pipelines"},
709 {"max_pipelines", OPT_MAX_PIPELINES, 'p',
710 "Maximum number of encrypt/decrypt pipelines to be used"},
711 {"read_buf", OPT_READ_BUF, 'p',
712 "Default read buffer size to be used for connections"},
716 #ifndef OPENSSL_NO_SSL3
717 {"ssl3", OPT_SSL3, '-', "Just use SSLv3"},
719 #ifndef OPENSSL_NO_TLS1
720 {"tls1", OPT_TLS1, '-', "Just use TLSv1"},
722 #ifndef OPENSSL_NO_TLS1_1
723 {"tls1_1", OPT_TLS1_1, '-', "Just use TLSv1.1"},
725 #ifndef OPENSSL_NO_TLS1_2
726 {"tls1_2", OPT_TLS1_2, '-', "Just use TLSv1.2"},
728 #ifndef OPENSSL_NO_TLS1_3
729 {"tls1_3", OPT_TLS1_3, '-', "Just use TLSv1.3"},
731 #ifndef OPENSSL_NO_DTLS
732 {"dtls", OPT_DTLS, '-', "Use any version of DTLS"},
733 {"timeout", OPT_TIMEOUT, '-',
734 "Enable send/receive timeout on DTLS connections"},
735 {"mtu", OPT_MTU, 'p', "Set the link layer MTU"},
737 #ifndef OPENSSL_NO_DTLS1
738 {"dtls1", OPT_DTLS1, '-', "Just use DTLSv1"},
740 #ifndef OPENSSL_NO_DTLS1_2
741 {"dtls1_2", OPT_DTLS1_2, '-', "Just use DTLSv1.2"},
743 #ifndef OPENSSL_NO_SCTP
744 {"sctp", OPT_SCTP, '-', "Use SCTP"},
746 #ifndef OPENSSL_NO_SSL_TRACE
747 {"trace", OPT_TRACE, '-', "Show trace output of protocol messages"},
750 {"wdebug", OPT_WDEBUG, '-', "WATT-32 tcp debugging"},
752 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"},
753 {"psk_identity", OPT_PSK_IDENTITY, 's', "PSK identity"},
754 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"},
755 {"psk_session", OPT_PSK_SESS, '<', "File to read PSK SSL session from"},
756 #ifndef OPENSSL_NO_SRP
757 {"srpuser", OPT_SRPUSER, 's', "SRP authentication for 'user'"},
758 {"srppass", OPT_SRPPASS, 's', "Password for 'user'"},
759 {"srp_lateuser", OPT_SRP_LATEUSER, '-',
760 "SRP username into second ClientHello message"},
761 {"srp_moregroups", OPT_SRP_MOREGROUPS, '-',
762 "Tolerate other than the known g N values."},
763 {"srp_strength", OPT_SRP_STRENGTH, 'p', "Minimal length in bits for N"},
765 #ifndef OPENSSL_NO_NEXTPROTONEG
766 {"nextprotoneg", OPT_NEXTPROTONEG, 's',
767 "Enable NPN extension, considering named protocols supported (comma-separated list)"},
769 #ifndef OPENSSL_NO_ENGINE
770 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
771 {"ssl_client_engine", OPT_SSL_CLIENT_ENGINE, 's',
772 "Specify engine to be used for client certificate operations"},
774 #ifndef OPENSSL_NO_CT
775 {"ct", OPT_CT, '-', "Request and parse SCTs (also enables OCSP stapling)"},
776 {"noct", OPT_NOCT, '-', "Do not request or parse SCTs (default)"},
777 {"ctlogfile", OPT_CTLOG_FILE, '<', "CT log list CONF file"},
779 {"keylogfile", OPT_KEYLOG_FILE, '>', "Write TLS secrets to file"},
780 {"early_data", OPT_EARLY_DATA, '<', "File to send as early data"},
781 {NULL, OPT_EOF, 0x00, NULL}
784 typedef enum PROTOCOL_choice {
803 static const OPT_PAIR services[] = {
804 {"smtp", PROTO_SMTP},
805 {"pop3", PROTO_POP3},
806 {"imap", PROTO_IMAP},
808 {"xmpp", PROTO_XMPP},
809 {"xmpp-server", PROTO_XMPP_SERVER},
810 {"telnet", PROTO_TELNET},
812 {"mysql", PROTO_MYSQL},
813 {"postgres", PROTO_POSTGRES},
814 {"lmtp", PROTO_LMTP},
815 {"nntp", PROTO_NNTP},
816 {"sieve", PROTO_SIEVE},
817 {"ldap", PROTO_LDAP},
821 #define IS_INET_FLAG(o) \
822 (o == OPT_4 || o == OPT_6 || o == OPT_HOST || o == OPT_PORT || o == OPT_CONNECT)
823 #define IS_UNIX_FLAG(o) (o == OPT_UNIX)
825 #define IS_PROT_FLAG(o) \
826 (o == OPT_SSL3 || o == OPT_TLS1 || o == OPT_TLS1_1 || o == OPT_TLS1_2 \
827 || o == OPT_TLS1_3 || o == OPT_DTLS || o == OPT_DTLS1 || o == OPT_DTLS1_2)
829 /* Free |*dest| and optionally set it to a copy of |source|. */
830 static void freeandcopy(char **dest, const char *source)
835 *dest = OPENSSL_strdup(source);
838 static int new_session_cb(SSL *S, SSL_SESSION *sess)
840 BIO *stmp = BIO_new_file(sess_out, "w");
843 BIO_printf(bio_err, "Error writing session file %s\n", sess_out);
845 PEM_write_bio_SSL_SESSION(stmp, sess);
850 * We always return a "fail" response so that the session gets freed again
851 * because we haven't used the reference.
856 int s_client_main(int argc, char **argv)
859 EVP_PKEY *key = NULL;
862 STACK_OF(X509) *chain = NULL;
864 X509_VERIFY_PARAM *vpm = NULL;
865 SSL_EXCERT *exc = NULL;
866 SSL_CONF_CTX *cctx = NULL;
867 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
868 char *dane_tlsa_domain = NULL;
869 STACK_OF(OPENSSL_STRING) *dane_tlsa_rrset = NULL;
870 int dane_ee_no_name = 0;
871 STACK_OF(X509_CRL) *crls = NULL;
872 const SSL_METHOD *meth = TLS_client_method();
873 const char *CApath = NULL, *CAfile = NULL;
874 char *cbuf = NULL, *sbuf = NULL;
875 char *mbuf = NULL, *proxystr = NULL, *connectstr = NULL;
876 char *cert_file = NULL, *key_file = NULL, *chain_file = NULL;
877 char *chCApath = NULL, *chCAfile = NULL, *host = NULL;
878 char *port = OPENSSL_strdup(PORT);
880 char *passarg = NULL, *pass = NULL, *vfyCApath = NULL, *vfyCAfile = NULL;
881 char *ReqCAfile = NULL;
882 char *sess_in = NULL, *crl_file = NULL, *p;
883 char *xmpphost = NULL;
884 const char *ehlo = "mail.example.com";
885 struct timeval timeout, *timeoutp;
886 fd_set readfds, writefds;
887 int noCApath = 0, noCAfile = 0;
888 int build_chain = 0, cbuf_len, cbuf_off, cert_format = FORMAT_PEM;
889 int key_format = FORMAT_PEM, crlf = 0, full_log = 1, mbuf_len = 0;
892 int reconnect = 0, verify = SSL_VERIFY_NONE, vpmtouched = 0;
893 int ret = 1, in_init = 1, i, nbio_test = 0, s = -1, k, width, state = 0;
894 int sbuf_len, sbuf_off, cmdletters = 1;
895 int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM, protocol = 0;
896 int starttls_proto = PROTO_OFF, crl_format = FORMAT_PEM, crl_download = 0;
897 int write_tty, read_tty, write_ssl, read_ssl, tty_on, ssl_pending;
898 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
901 int read_buf_len = 0;
902 int fallback_scsv = 0;
905 #ifndef OPENSSL_NO_DTLS
906 int enable_timeouts = 0;
909 #ifndef OPENSSL_NO_ENGINE
910 ENGINE *ssl_client_engine = NULL;
913 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
916 char *servername = NULL;
917 int noservername = 0;
918 const char *alpn_in = NULL;
919 tlsextctx tlsextcbp = { NULL, 0 };
920 const char *ssl_config = NULL;
921 #define MAX_SI_TYPES 100
922 unsigned short serverinfo_types[MAX_SI_TYPES];
923 int serverinfo_count = 0, start = 0, len;
924 #ifndef OPENSSL_NO_NEXTPROTONEG
925 const char *next_proto_neg_in = NULL;
927 #ifndef OPENSSL_NO_SRP
928 char *srppass = NULL;
929 int srp_lateuser = 0;
930 SRP_ARG srp_arg = { NULL, NULL, 0, 0, 0, 1024 };
932 #ifndef OPENSSL_NO_CT
933 char *ctlog_file = NULL;
934 int ct_validation = 0;
936 int min_version = 0, max_version = 0, prot_opt = 0, no_prot_opt = 0;
938 unsigned int max_send_fragment = 0;
939 unsigned int split_send_fragment = 0, max_pipelines = 0;
940 enum { use_inet, use_unix, use_unknown } connect_type = use_unknown;
942 int c_nbio = 0, c_msg = 0, c_ign_eof = 0, c_brief = 0;
943 int c_tlsextdebug = 0;
944 #ifndef OPENSSL_NO_OCSP
945 int c_status_req = 0;
947 BIO *bio_c_msg = NULL;
948 const char *keylog_file = NULL, *early_data_file = NULL;
949 #ifndef OPENSSL_NO_DTLS
952 char *psksessf = NULL;
956 /* Known false-positive of MemorySanitizer. */
957 #if defined(__has_feature)
958 # if __has_feature(memory_sanitizer)
959 __msan_unpoison(&readfds, sizeof(readfds));
960 __msan_unpoison(&writefds, sizeof(writefds));
964 prog = opt_progname(argv[0]);
969 vpm = X509_VERIFY_PARAM_new();
970 cctx = SSL_CONF_CTX_new();
972 if (vpm == NULL || cctx == NULL) {
973 BIO_printf(bio_err, "%s: out of memory\n", prog);
977 cbuf = app_malloc(BUFSIZZ, "cbuf");
978 sbuf = app_malloc(BUFSIZZ, "sbuf");
979 mbuf = app_malloc(BUFSIZZ, "mbuf");
981 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT | SSL_CONF_FLAG_CMDLINE);
983 prog = opt_init(argc, argv, s_client_options);
984 while ((o = opt_next()) != OPT_EOF) {
985 /* Check for intermixing flags. */
986 if (connect_type == use_unix && IS_INET_FLAG(o)) {
988 "%s: Intermixed protocol flags (unix and internet domains)\n",
992 if (connect_type == use_inet && IS_UNIX_FLAG(o)) {
994 "%s: Intermixed protocol flags (internet and unix domains)\n",
999 if (IS_PROT_FLAG(o) && ++prot_opt > 1) {
1000 BIO_printf(bio_err, "Cannot supply multiple protocol flags\n");
1003 if (IS_NO_PROT_FLAG(o))
1005 if (prot_opt == 1 && no_prot_opt) {
1007 "Cannot supply both a protocol flag and '-no_<prot>'\n");
1015 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
1018 opt_help(s_client_options);
1022 connect_type = use_inet;
1023 socket_family = AF_INET;
1028 connect_type = use_inet;
1029 socket_family = AF_INET6;
1034 connect_type = use_inet;
1035 freeandcopy(&host, opt_arg());
1038 connect_type = use_inet;
1039 freeandcopy(&port, opt_arg());
1042 connect_type = use_inet;
1043 freeandcopy(&connectstr, opt_arg());
1046 proxystr = opt_arg();
1047 starttls_proto = PROTO_CONNECT;
1051 connect_type = use_unix;
1052 socket_family = AF_UNIX;
1053 freeandcopy(&host, opt_arg());
1057 xmpphost = opt_arg();
1063 verify = SSL_VERIFY_PEER;
1064 verify_args.depth = atoi(opt_arg());
1066 BIO_printf(bio_err, "verify depth is %d\n", verify_args.depth);
1069 cert_file = opt_arg();
1072 if (!set_nameopt(opt_arg()))
1076 crl_file = opt_arg();
1078 case OPT_CRL_DOWNLOAD:
1082 sess_out = opt_arg();
1085 sess_in = opt_arg();
1088 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &cert_format))
1092 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
1095 case OPT_VERIFY_RET_ERROR:
1096 verify_args.return_error = 1;
1098 case OPT_VERIFY_QUIET:
1099 verify_args.quiet = 1;
1102 c_brief = verify_args.quiet = c_quiet = 1;
1105 if (ssl_args == NULL)
1106 ssl_args = sk_OPENSSL_STRING_new_null();
1107 if (ssl_args == NULL
1108 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
1109 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
1110 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1115 if (!opt_verify(o, vpm))
1120 if (!args_excert(o, &exc))
1130 c_quiet = c_ign_eof = 1;
1139 e = setup_engine(opt_arg(), 1);
1141 case OPT_SSL_CLIENT_ENGINE:
1142 #ifndef OPENSSL_NO_ENGINE
1143 ssl_client_engine = ENGINE_by_id(opt_arg());
1144 if (ssl_client_engine == NULL) {
1145 BIO_printf(bio_err, "Error getting client auth engine\n");
1156 case OPT_NO_IGN_EOF:
1162 case OPT_TLSEXTDEBUG:
1166 #ifndef OPENSSL_NO_OCSP
1179 bio_c_msg = BIO_new_file(opt_arg(), "w");
1182 #ifndef OPENSSL_NO_SSL_TRACE
1186 case OPT_SECURITY_DEBUG:
1189 case OPT_SECURITY_DEBUG_VERBOSE:
1201 case OPT_PSK_IDENTITY:
1202 psk_identity = opt_arg();
1205 for (p = psk_key = opt_arg(); *p; p++) {
1206 if (isxdigit(_UC(*p)))
1208 BIO_printf(bio_err, "Not a hex number '%s'\n", psk_key);
1213 psksessf = opt_arg();
1215 #ifndef OPENSSL_NO_SRP
1217 srp_arg.srplogin = opt_arg();
1218 if (min_version < TLS1_VERSION)
1219 min_version = TLS1_VERSION;
1222 srppass = opt_arg();
1223 if (min_version < TLS1_VERSION)
1224 min_version = TLS1_VERSION;
1226 case OPT_SRP_STRENGTH:
1227 srp_arg.strength = atoi(opt_arg());
1228 BIO_printf(bio_err, "SRP minimal length for N is %d\n",
1230 if (min_version < TLS1_VERSION)
1231 min_version = TLS1_VERSION;
1233 case OPT_SRP_LATEUSER:
1235 if (min_version < TLS1_VERSION)
1236 min_version = TLS1_VERSION;
1238 case OPT_SRP_MOREGROUPS:
1240 if (min_version < TLS1_VERSION)
1241 min_version = TLS1_VERSION;
1244 case OPT_SSL_CONFIG:
1245 ssl_config = opt_arg();
1248 min_version = SSL3_VERSION;
1249 max_version = SSL3_VERSION;
1252 min_version = TLS1_3_VERSION;
1253 max_version = TLS1_3_VERSION;
1256 min_version = TLS1_2_VERSION;
1257 max_version = TLS1_2_VERSION;
1260 min_version = TLS1_1_VERSION;
1261 max_version = TLS1_1_VERSION;
1264 min_version = TLS1_VERSION;
1265 max_version = TLS1_VERSION;
1268 #ifndef OPENSSL_NO_DTLS
1269 meth = DTLS_client_method();
1270 socket_type = SOCK_DGRAM;
1275 #ifndef OPENSSL_NO_DTLS1
1276 meth = DTLS_client_method();
1277 min_version = DTLS1_VERSION;
1278 max_version = DTLS1_VERSION;
1279 socket_type = SOCK_DGRAM;
1284 #ifndef OPENSSL_NO_DTLS1_2
1285 meth = DTLS_client_method();
1286 min_version = DTLS1_2_VERSION;
1287 max_version = DTLS1_2_VERSION;
1288 socket_type = SOCK_DGRAM;
1293 #ifndef OPENSSL_NO_SCTP
1294 protocol = IPPROTO_SCTP;
1298 #ifndef OPENSSL_NO_DTLS
1299 enable_timeouts = 1;
1303 #ifndef OPENSSL_NO_DTLS
1304 socket_mtu = atol(opt_arg());
1307 case OPT_FALLBACKSCSV:
1311 if (!opt_format(opt_arg(), OPT_FMT_PDE, &key_format))
1315 passarg = opt_arg();
1317 case OPT_CERT_CHAIN:
1318 chain_file = opt_arg();
1321 key_file = opt_arg();
1332 case OPT_CHAINCAPATH:
1333 chCApath = opt_arg();
1335 case OPT_VERIFYCAPATH:
1336 vfyCApath = opt_arg();
1338 case OPT_BUILD_CHAIN:
1342 ReqCAfile = opt_arg();
1350 #ifndef OPENSSL_NO_CT
1357 case OPT_CTLOG_FILE:
1358 ctlog_file = opt_arg();
1361 case OPT_CHAINCAFILE:
1362 chCAfile = opt_arg();
1364 case OPT_VERIFYCAFILE:
1365 vfyCAfile = opt_arg();
1367 case OPT_DANE_TLSA_DOMAIN:
1368 dane_tlsa_domain = opt_arg();
1370 case OPT_DANE_TLSA_RRDATA:
1371 if (dane_tlsa_rrset == NULL)
1372 dane_tlsa_rrset = sk_OPENSSL_STRING_new_null();
1373 if (dane_tlsa_rrset == NULL ||
1374 !sk_OPENSSL_STRING_push(dane_tlsa_rrset, opt_arg())) {
1375 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1379 case OPT_DANE_EE_NO_NAME:
1380 dane_ee_no_name = 1;
1382 case OPT_NEXTPROTONEG:
1383 #ifndef OPENSSL_NO_NEXTPROTONEG
1384 next_proto_neg_in = opt_arg();
1388 alpn_in = opt_arg();
1390 case OPT_SERVERINFO:
1393 for (start = 0, i = 0; i <= len; ++i) {
1394 if (i == len || p[i] == ',') {
1395 serverinfo_types[serverinfo_count] = atoi(p + start);
1396 if (++serverinfo_count == MAX_SI_TYPES)
1403 if (!opt_pair(opt_arg(), services, &starttls_proto))
1406 case OPT_SERVERNAME:
1407 servername = opt_arg();
1409 case OPT_NOSERVERNAME:
1413 srtp_profiles = opt_arg();
1415 case OPT_KEYMATEXPORT:
1416 keymatexportlabel = opt_arg();
1418 case OPT_KEYMATEXPORTLEN:
1419 keymatexportlen = atoi(opt_arg());
1424 case OPT_MAX_SEND_FRAG:
1425 max_send_fragment = atoi(opt_arg());
1427 case OPT_SPLIT_SEND_FRAG:
1428 split_send_fragment = atoi(opt_arg());
1430 case OPT_MAX_PIPELINES:
1431 max_pipelines = atoi(opt_arg());
1434 read_buf_len = atoi(opt_arg());
1436 case OPT_KEYLOG_FILE:
1437 keylog_file = opt_arg();
1439 case OPT_EARLY_DATA:
1440 early_data_file = opt_arg();
1444 if (count4or6 >= 2) {
1445 BIO_printf(bio_err, "%s: Can't use both -4 and -6\n", prog);
1449 if (servername != NULL) {
1451 "%s: Can't use -servername and -noservername together\n",
1455 if (dane_tlsa_domain != NULL) {
1457 "%s: Can't use -dane_tlsa_domain and -noservername together\n",
1462 argc = opt_num_rest();
1464 /* If there's a positional argument, it's the equivalent of
1466 * Don't allow -connect and a separate argument.
1468 if (connectstr != NULL) {
1470 "%s: must not provide both -connect option and target parameter\n",
1474 connect_type = use_inet;
1475 connectstr = *opt_rest();
1476 } else if (argc != 0) {
1480 #ifndef OPENSSL_NO_NEXTPROTONEG
1481 if (min_version == TLS1_3_VERSION && next_proto_neg_in != NULL) {
1482 BIO_printf(bio_err, "Cannot supply -nextprotoneg with TLSv1.3\n");
1486 if (proxystr != NULL) {
1488 char *tmp_host = host, *tmp_port = port;
1489 if (connectstr == NULL) {
1490 BIO_printf(bio_err, "%s: -proxy requires use of -connect or target parameter\n", prog);
1493 res = BIO_parse_hostserv(proxystr, &host, &port, BIO_PARSE_PRIO_HOST);
1494 if (tmp_host != host)
1495 OPENSSL_free(tmp_host);
1496 if (tmp_port != port)
1497 OPENSSL_free(tmp_port);
1500 "%s: -proxy argument malformed or ambiguous\n", prog);
1505 char *tmp_host = host, *tmp_port = port;
1506 if (connectstr != NULL)
1507 res = BIO_parse_hostserv(connectstr, &host, &port,
1508 BIO_PARSE_PRIO_HOST);
1509 if (tmp_host != host)
1510 OPENSSL_free(tmp_host);
1511 if (tmp_port != port)
1512 OPENSSL_free(tmp_port);
1515 "%s: -connect argument or target parameter malformed or ambiguous\n",
1521 if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) {
1523 "Can't use unix sockets and datagrams together\n");
1527 #ifndef OPENSSL_NO_SCTP
1528 if (protocol == IPPROTO_SCTP) {
1529 if (socket_type != SOCK_DGRAM) {
1530 BIO_printf(bio_err, "Can't use -sctp without DTLS\n");
1533 /* SCTP is unusual. It uses DTLS over a SOCK_STREAM protocol */
1534 socket_type = SOCK_STREAM;
1538 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1539 next_proto.status = -1;
1540 if (next_proto_neg_in) {
1542 next_protos_parse(&next_proto.len, next_proto_neg_in);
1543 if (next_proto.data == NULL) {
1544 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n");
1548 next_proto.data = NULL;
1551 if (!app_passwd(passarg, NULL, &pass, NULL)) {
1552 BIO_printf(bio_err, "Error getting password\n");
1556 if (key_file == NULL)
1557 key_file = cert_file;
1559 if (key_file != NULL) {
1560 key = load_key(key_file, key_format, 0, pass, e,
1561 "client certificate private key file");
1563 ERR_print_errors(bio_err);
1568 if (cert_file != NULL) {
1569 cert = load_cert(cert_file, cert_format, "client certificate file");
1571 ERR_print_errors(bio_err);
1576 if (chain_file != NULL) {
1577 if (!load_certs(chain_file, &chain, FORMAT_PEM, NULL,
1578 "client certificate chain"))
1582 if (crl_file != NULL) {
1584 crl = load_crl(crl_file, crl_format);
1586 BIO_puts(bio_err, "Error loading CRL\n");
1587 ERR_print_errors(bio_err);
1590 crls = sk_X509_CRL_new_null();
1591 if (crls == NULL || !sk_X509_CRL_push(crls, crl)) {
1592 BIO_puts(bio_err, "Error adding CRL\n");
1593 ERR_print_errors(bio_err);
1599 if (!load_excert(&exc))
1602 if (!app_RAND_load_file(NULL, 1) && inrand == NULL
1603 && !RAND_status()) {
1605 "warning, not much extra random data, consider using the -rand option\n");
1607 if (inrand != NULL) {
1608 randamt = app_RAND_load_files(inrand);
1609 BIO_printf(bio_err, "%ld semi-random bytes loaded\n", randamt);
1612 if (bio_c_out == NULL) {
1613 if (c_quiet && !c_debug) {
1614 bio_c_out = BIO_new(BIO_s_null());
1615 if (c_msg && bio_c_msg == NULL)
1616 bio_c_msg = dup_bio_out(FORMAT_TEXT);
1617 } else if (bio_c_out == NULL)
1618 bio_c_out = dup_bio_out(FORMAT_TEXT);
1620 #ifndef OPENSSL_NO_SRP
1621 if (!app_passwd(srppass, NULL, &srp_arg.srppassin, NULL)) {
1622 BIO_printf(bio_err, "Error getting password\n");
1627 ctx = SSL_CTX_new(meth);
1629 ERR_print_errors(bio_err);
1634 ssl_ctx_security_debug(ctx, sdebug);
1636 if (ssl_config != NULL) {
1637 if (SSL_CTX_config(ctx, ssl_config) == 0) {
1638 BIO_printf(bio_err, "Error using configuration \"%s\"\n",
1640 ERR_print_errors(bio_err);
1645 if (SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
1647 if (SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
1650 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
1651 BIO_printf(bio_err, "Error setting verify params\n");
1652 ERR_print_errors(bio_err);
1657 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
1660 if (max_send_fragment > 0
1661 && !SSL_CTX_set_max_send_fragment(ctx, max_send_fragment)) {
1662 BIO_printf(bio_err, "%s: Max send fragment size %u is out of permitted range\n",
1663 prog, max_send_fragment);
1667 if (split_send_fragment > 0
1668 && !SSL_CTX_set_split_send_fragment(ctx, split_send_fragment)) {
1669 BIO_printf(bio_err, "%s: Split send fragment size %u is out of permitted range\n",
1670 prog, split_send_fragment);
1674 if (max_pipelines > 0
1675 && !SSL_CTX_set_max_pipelines(ctx, max_pipelines)) {
1676 BIO_printf(bio_err, "%s: Max pipelines %u is out of permitted range\n",
1677 prog, max_pipelines);
1681 if (read_buf_len > 0) {
1682 SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len);
1685 if (!config_ctx(cctx, ssl_args, ctx))
1688 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1689 crls, crl_download)) {
1690 BIO_printf(bio_err, "Error loading store locations\n");
1691 ERR_print_errors(bio_err);
1694 if (ReqCAfile != NULL) {
1695 STACK_OF(X509_NAME) *nm = sk_X509_NAME_new_null();
1697 if (nm == NULL || !SSL_add_file_cert_subjects_to_stack(nm, ReqCAfile)) {
1698 sk_X509_NAME_pop_free(nm, X509_NAME_free);
1699 BIO_printf(bio_err, "Error loading CA names\n");
1700 ERR_print_errors(bio_err);
1703 SSL_CTX_set0_CA_list(ctx, nm);
1705 #ifndef OPENSSL_NO_ENGINE
1706 if (ssl_client_engine) {
1707 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine)) {
1708 BIO_puts(bio_err, "Error setting client auth engine\n");
1709 ERR_print_errors(bio_err);
1710 ENGINE_free(ssl_client_engine);
1713 ENGINE_free(ssl_client_engine);
1717 #ifndef OPENSSL_NO_PSK
1718 if (psk_key != NULL) {
1720 BIO_printf(bio_c_out, "PSK key given, setting client callback\n");
1721 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
1724 if (psksessf != NULL) {
1725 BIO *stmp = BIO_new_file(psksessf, "r");
1728 BIO_printf(bio_err, "Can't open PSK session file %s\n", psksessf);
1729 ERR_print_errors(bio_err);
1732 psksess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1734 if (psksess == NULL) {
1735 BIO_printf(bio_err, "Can't read PSK session file %s\n", psksessf);
1736 ERR_print_errors(bio_err);
1740 if (psk_key != NULL || psksess != NULL)
1741 SSL_CTX_set_psk_use_session_callback(ctx, psk_use_session_cb);
1743 #ifndef OPENSSL_NO_SRTP
1744 if (srtp_profiles != NULL) {
1745 /* Returns 0 on success! */
1746 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
1747 BIO_printf(bio_err, "Error setting SRTP profile\n");
1748 ERR_print_errors(bio_err);
1755 ssl_ctx_set_excert(ctx, exc);
1757 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1758 if (next_proto.data != NULL)
1759 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
1763 unsigned char *alpn = next_protos_parse(&alpn_len, alpn_in);
1766 BIO_printf(bio_err, "Error parsing -alpn argument\n");
1769 /* Returns 0 on success! */
1770 if (SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len) != 0) {
1771 BIO_printf(bio_err, "Error setting ALPN\n");
1777 for (i = 0; i < serverinfo_count; i++) {
1778 if (!SSL_CTX_add_client_custom_ext(ctx,
1779 serverinfo_types[i],
1781 serverinfo_cli_parse_cb, NULL)) {
1783 "Warning: Unable to add custom extension %u, skipping\n",
1784 serverinfo_types[i]);
1789 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1791 #ifndef OPENSSL_NO_CT
1792 /* Enable SCT processing, without early connection termination */
1793 if (ct_validation &&
1794 !SSL_CTX_enable_ct(ctx, SSL_CT_VALIDATION_PERMISSIVE)) {
1795 ERR_print_errors(bio_err);
1799 if (!ctx_set_ctlog_list_file(ctx, ctlog_file)) {
1800 if (ct_validation) {
1801 ERR_print_errors(bio_err);
1806 * If CT validation is not enabled, the log list isn't needed so don't
1807 * show errors or abort. We try to load it regardless because then we
1808 * can show the names of the logs any SCTs came from (SCTs may be seen
1809 * even with validation disabled).
1815 SSL_CTX_set_verify(ctx, verify, verify_callback);
1817 if (!ctx_set_verify_locations(ctx, CAfile, CApath, noCAfile, noCApath)) {
1818 ERR_print_errors(bio_err);
1822 ssl_ctx_add_crls(ctx, crls, crl_download);
1824 if (!set_cert_key_stuff(ctx, cert, key, chain, build_chain))
1827 if (!noservername) {
1828 tlsextcbp.biodebug = bio_err;
1829 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1830 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1832 # ifndef OPENSSL_NO_SRP
1833 if (srp_arg.srplogin) {
1834 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin)) {
1835 BIO_printf(bio_err, "Unable to set SRP username\n");
1838 srp_arg.msg = c_msg;
1839 srp_arg.debug = c_debug;
1840 SSL_CTX_set_srp_cb_arg(ctx, &srp_arg);
1841 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb);
1842 SSL_CTX_set_srp_strength(ctx, srp_arg.strength);
1843 if (c_msg || c_debug || srp_arg.amp == 0)
1844 SSL_CTX_set_srp_verify_param_callback(ctx,
1845 ssl_srp_verify_param_cb);
1849 if (dane_tlsa_domain != NULL) {
1850 if (SSL_CTX_dane_enable(ctx) <= 0) {
1852 "%s: Error enabling DANE TLSA authentication.\n",
1854 ERR_print_errors(bio_err);
1860 * In TLSv1.3 NewSessionTicket messages arrive after the handshake and can
1861 * come at any time. Therefore we use a callback to write out the session
1862 * when we know about it. This approach works for < TLSv1.3 as well.
1864 if (sess_out != NULL) {
1865 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_CLIENT
1866 | SSL_SESS_CACHE_NO_INTERNAL_STORE);
1867 SSL_CTX_sess_set_new_cb(ctx, new_session_cb);
1870 if (set_keylog_file(ctx, keylog_file))
1874 if (sess_in != NULL) {
1876 BIO *stmp = BIO_new_file(sess_in, "r");
1878 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1879 ERR_print_errors(bio_err);
1882 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1885 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1886 ERR_print_errors(bio_err);
1889 if (!SSL_set_session(con, sess)) {
1890 BIO_printf(bio_err, "Can't set session\n");
1891 ERR_print_errors(bio_err);
1894 SSL_SESSION_free(sess);
1898 SSL_set_mode(con, SSL_MODE_SEND_FALLBACK_SCSV);
1900 if (!noservername && (servername != NULL || dane_tlsa_domain == NULL)) {
1901 if (servername == NULL)
1902 servername = (host == NULL) ? "localhost" : host;
1903 if (!SSL_set_tlsext_host_name(con, servername)) {
1904 BIO_printf(bio_err, "Unable to set TLS servername extension.\n");
1905 ERR_print_errors(bio_err);
1910 if (dane_tlsa_domain != NULL) {
1911 if (SSL_dane_enable(con, dane_tlsa_domain) <= 0) {
1912 BIO_printf(bio_err, "%s: Error enabling DANE TLSA "
1913 "authentication.\n", prog);
1914 ERR_print_errors(bio_err);
1917 if (dane_tlsa_rrset == NULL) {
1918 BIO_printf(bio_err, "%s: DANE TLSA authentication requires at "
1919 "least one -dane_tlsa_rrdata option.\n", prog);
1922 if (tlsa_import_rrset(con, dane_tlsa_rrset) <= 0) {
1923 BIO_printf(bio_err, "%s: Failed to import any TLSA "
1924 "records.\n", prog);
1927 if (dane_ee_no_name)
1928 SSL_dane_set_flags(con, DANE_FLAG_NO_DANE_EE_NAMECHECKS);
1929 } else if (dane_tlsa_rrset != NULL) {
1930 BIO_printf(bio_err, "%s: DANE TLSA authentication requires the "
1931 "-dane_tlsa_domain option.\n", prog);
1936 if (init_client(&s, host, port, socket_family, socket_type, protocol)
1938 BIO_printf(bio_err, "connect:errno=%d\n", get_last_socket_error());
1942 BIO_printf(bio_c_out, "CONNECTED(%08X)\n", s);
1945 if (!BIO_socket_nbio(s, 1)) {
1946 ERR_print_errors(bio_err);
1949 BIO_printf(bio_c_out, "Turned on non blocking io\n");
1951 #ifndef OPENSSL_NO_DTLS
1953 union BIO_sock_info_u peer_info;
1955 #ifndef OPENSSL_NO_SCTP
1956 if (protocol == IPPROTO_SCTP)
1957 sbio = BIO_new_dgram_sctp(s, BIO_NOCLOSE);
1960 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
1962 if ((peer_info.addr = BIO_ADDR_new()) == NULL) {
1963 BIO_printf(bio_err, "memory allocation failure\n");
1967 if (!BIO_sock_info(s, BIO_SOCK_INFO_ADDRESS, &peer_info)) {
1968 BIO_printf(bio_err, "getsockname:errno=%d\n",
1969 get_last_socket_error());
1970 BIO_ADDR_free(peer_info.addr);
1975 (void)BIO_ctrl_set_connected(sbio, peer_info.addr);
1976 BIO_ADDR_free(peer_info.addr);
1977 peer_info.addr = NULL;
1979 if (enable_timeouts) {
1981 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1982 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1985 timeout.tv_usec = DGRAM_SND_TIMEOUT;
1986 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1990 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
1991 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
1992 DTLS_get_link_min_mtu(con));
1996 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1997 if (!DTLS_set_link_mtu(con, socket_mtu)) {
1998 BIO_printf(bio_err, "Failed to set MTU\n");
2003 /* want to do MTU discovery */
2004 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2007 #endif /* OPENSSL_NO_DTLS */
2008 sbio = BIO_new_socket(s, BIO_NOCLOSE);
2013 test = BIO_new(BIO_f_nbio_test());
2014 sbio = BIO_push(test, sbio);
2018 BIO_set_callback(sbio, bio_dump_callback);
2019 BIO_set_callback_arg(sbio, (char *)bio_c_out);
2022 #ifndef OPENSSL_NO_SSL_TRACE
2024 SSL_set_msg_callback(con, SSL_trace);
2027 SSL_set_msg_callback(con, msg_cb);
2028 SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out);
2031 if (c_tlsextdebug) {
2032 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2033 SSL_set_tlsext_debug_arg(con, bio_c_out);
2035 #ifndef OPENSSL_NO_OCSP
2037 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
2038 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
2039 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
2043 SSL_set_bio(con, sbio, sbio);
2044 SSL_set_connect_state(con);
2046 /* ok, lets connect */
2047 if (fileno_stdin() > SSL_get_fd(con))
2048 width = fileno_stdin() + 1;
2050 width = SSL_get_fd(con) + 1;
2063 switch ((PROTOCOL_CHOICE) starttls_proto) {
2070 * This is an ugly hack that does a lot of assumptions. We do
2071 * have to handle multi-line responses which may come in a single
2072 * packet or not. We therefore have to use BIO_gets() which does
2073 * need a buffering BIO. So during the initial chitchat we do
2074 * push a buffering BIO into the chain that is removed again
2075 * later on to not disturb the rest of the s_client operation.
2078 BIO *fbio = BIO_new(BIO_f_buffer());
2080 BIO_push(fbio, sbio);
2081 /* Wait for multi-line response to end from LMTP or SMTP */
2083 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2084 } while (mbuf_len > 3 && mbuf[3] == '-');
2085 if (starttls_proto == (int)PROTO_LMTP)
2086 BIO_printf(fbio, "LHLO %s\r\n", ehlo);
2088 BIO_printf(fbio, "EHLO %s\r\n", ehlo);
2089 (void)BIO_flush(fbio);
2091 * Wait for multi-line response to end LHLO LMTP or EHLO SMTP
2095 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2096 if (strstr(mbuf, "STARTTLS"))
2098 } while (mbuf_len > 3 && mbuf[3] == '-');
2099 (void)BIO_flush(fbio);
2104 "Didn't find STARTTLS in server response,"
2105 " trying anyway...\n");
2106 BIO_printf(sbio, "STARTTLS\r\n");
2107 BIO_read(sbio, sbuf, BUFSIZZ);
2112 BIO_read(sbio, mbuf, BUFSIZZ);
2113 BIO_printf(sbio, "STLS\r\n");
2114 mbuf_len = BIO_read(sbio, sbuf, BUFSIZZ);
2116 BIO_printf(bio_err, "BIO_read failed\n");
2124 BIO *fbio = BIO_new(BIO_f_buffer());
2126 BIO_push(fbio, sbio);
2127 BIO_gets(fbio, mbuf, BUFSIZZ);
2128 /* STARTTLS command requires CAPABILITY... */
2129 BIO_printf(fbio, ". CAPABILITY\r\n");
2130 (void)BIO_flush(fbio);
2131 /* wait for multi-line CAPABILITY response */
2133 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2134 if (strstr(mbuf, "STARTTLS"))
2137 while (mbuf_len > 3 && mbuf[0] != '.');
2138 (void)BIO_flush(fbio);
2143 "Didn't find STARTTLS in server response,"
2144 " trying anyway...\n");
2145 BIO_printf(sbio, ". STARTTLS\r\n");
2146 BIO_read(sbio, sbuf, BUFSIZZ);
2151 BIO *fbio = BIO_new(BIO_f_buffer());
2153 BIO_push(fbio, sbio);
2154 /* wait for multi-line response to end from FTP */
2156 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2158 while (mbuf_len > 3 && mbuf[3] == '-');
2159 (void)BIO_flush(fbio);
2162 BIO_printf(sbio, "AUTH TLS\r\n");
2163 BIO_read(sbio, sbuf, BUFSIZZ);
2167 case PROTO_XMPP_SERVER:
2170 BIO_printf(sbio, "<stream:stream "
2171 "xmlns:stream='http://etherx.jabber.org/streams' "
2172 "xmlns='jabber:%s' to='%s' version='1.0'>",
2173 starttls_proto == PROTO_XMPP ? "client" : "server",
2174 xmpphost ? xmpphost : host);
2175 seen = BIO_read(sbio, mbuf, BUFSIZZ);
2177 BIO_printf(bio_err, "BIO_read failed\n");
2182 (mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")
2184 "<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\""))
2186 seen = BIO_read(sbio, mbuf, BUFSIZZ);
2194 "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
2195 seen = BIO_read(sbio, sbuf, BUFSIZZ);
2197 BIO_printf(bio_err, "BIO_read failed\n");
2201 if (!strstr(sbuf, "<proceed"))
2208 static const unsigned char tls_do[] = {
2209 /* IAC DO START_TLS */
2212 static const unsigned char tls_will[] = {
2213 /* IAC WILL START_TLS */
2216 static const unsigned char tls_follows[] = {
2217 /* IAC SB START_TLS FOLLOWS IAC SE */
2218 255, 250, 46, 1, 255, 240
2222 /* Telnet server should demand we issue START_TLS */
2223 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
2224 if (bytes != 3 || memcmp(mbuf, tls_do, 3) != 0)
2226 /* Agree to issue START_TLS and send the FOLLOWS sub-command */
2227 BIO_write(sbio, tls_will, 3);
2228 BIO_write(sbio, tls_follows, 6);
2229 (void)BIO_flush(sbio);
2230 /* Telnet server also sent the FOLLOWS sub-command */
2231 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
2232 if (bytes != 6 || memcmp(mbuf, tls_follows, 6) != 0)
2239 error_proto, /* Wrong protocol, not even HTTP */
2240 error_connect, /* CONNECT failed */
2242 } foundit = error_connect;
2243 BIO *fbio = BIO_new(BIO_f_buffer());
2245 BIO_push(fbio, sbio);
2246 BIO_printf(fbio, "CONNECT %s HTTP/1.0\r\n\r\n", connectstr);
2247 (void)BIO_flush(fbio);
2249 * The first line is the HTTP response. According to RFC 7230,
2250 * it's formated exactly like this:
2252 * HTTP/d.d ddd Reason text\r\n
2254 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2255 if (mbuf_len < (int)strlen("HTTP/1.0 200")) {
2257 "%s: HTTP CONNECT failed, insufficient response "
2258 "from proxy (got %d octets)\n", prog, mbuf_len);
2259 (void)BIO_flush(fbio);
2264 if (mbuf[8] != ' ') {
2266 "%s: HTTP CONNECT failed, incorrect response "
2267 "from proxy\n", prog);
2268 foundit = error_proto;
2269 } else if (mbuf[9] != '2') {
2270 BIO_printf(bio_err, "%s: HTTP CONNECT failed: %s ", prog,
2275 if (foundit != error_proto) {
2276 /* Read past all following headers */
2278 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2279 } while (mbuf_len > 2);
2281 (void)BIO_flush(fbio);
2284 if (foundit != success) {
2292 BIO *fbio = BIO_new(BIO_f_buffer());
2294 BIO_push(fbio, sbio);
2295 BIO_printf(fbio, "STARTTLS\r\n");
2296 (void)BIO_flush(fbio);
2297 width = SSL_get_fd(con) + 1;
2303 openssl_fdset(SSL_get_fd(con), &readfds);
2304 timeout.tv_sec = S_CLIENT_IRC_READ_TIMEOUT;
2305 timeout.tv_usec = 0;
2307 * If the IRCd doesn't respond within
2308 * S_CLIENT_IRC_READ_TIMEOUT seconds, assume
2309 * it doesn't support STARTTLS. Many IRCds
2310 * will not give _any_ sort of response to a
2311 * STARTTLS command when it's not supported.
2313 if (!BIO_get_buffer_num_lines(fbio)
2314 && !BIO_pending(fbio)
2315 && !BIO_pending(sbio)
2316 && select(width, (void *)&readfds, NULL, NULL,
2319 "Timeout waiting for response (%d seconds).\n",
2320 S_CLIENT_IRC_READ_TIMEOUT);
2324 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2325 if (mbuf_len < 1 || sscanf(mbuf, "%*s %d", &numeric) != 1)
2327 /* :example.net 451 STARTTLS :You have not registered */
2328 /* :example.net 421 STARTTLS :Unknown command */
2329 if ((numeric == 451 || numeric == 421)
2330 && strstr(mbuf, "STARTTLS") != NULL) {
2331 BIO_printf(bio_err, "STARTTLS not supported: %s", mbuf);
2334 if (numeric == 691) {
2335 BIO_printf(bio_err, "STARTTLS negotiation failed: ");
2336 ERR_print_errors(bio_err);
2339 } while (numeric != 670);
2341 (void)BIO_flush(fbio);
2344 if (numeric != 670) {
2345 BIO_printf(bio_err, "Server does not support STARTTLS.\n");
2353 /* SSL request packet */
2354 static const unsigned char ssl_req[] = {
2355 /* payload_length, sequence_id */
2356 0x20, 0x00, 0x00, 0x01,
2358 /* capability flags, CLIENT_SSL always set */
2359 0x85, 0xae, 0x7f, 0x00,
2360 /* max-packet size */
2361 0x00, 0x00, 0x00, 0x01,
2364 /* string[23] reserved (all [0]) */
2365 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
2366 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
2367 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
2370 int ssl_flg = 0x800;
2372 const unsigned char *packet = (const unsigned char *)sbuf;
2374 /* Receiving Initial Handshake packet. */
2375 bytes = BIO_read(sbio, (void *)packet, BUFSIZZ);
2377 BIO_printf(bio_err, "BIO_read failed\n");
2379 /* Packet length[3], Packet number[1] + minimum payload[17] */
2380 } else if (bytes < 21) {
2381 BIO_printf(bio_err, "MySQL packet too short.\n");
2383 } else if (bytes != (4 + packet[0] +
2385 (packet[2] << 16))) {
2386 BIO_printf(bio_err, "MySQL packet length does not match.\n");
2388 /* protocol version[1] */
2389 } else if (packet[4] != 0xA) {
2391 "Only MySQL protocol version 10 is supported.\n");
2396 /* server version[string+NULL] */
2399 BIO_printf(bio_err, "Cannot confirm server version. ");
2401 } else if (packet[pos++] == '\0') {
2407 /* make sure we have more 15 bytes left in the packet */
2408 if (pos + 15 > bytes) {
2410 "MySQL server handshake packet is broken.\n");
2414 pos += 12; /* skip over conn id[4] + SALT[8] */
2415 if (packet[pos++] != '\0') { /* verify filler */
2417 "MySQL packet is broken.\n");
2421 /* capability flags[2] */
2422 if (!((packet[pos] + (packet[pos + 1] << 8)) & ssl_flg)) {
2423 BIO_printf(bio_err, "MySQL server does not support SSL.\n");
2427 /* Sending SSL Handshake packet. */
2428 BIO_write(sbio, ssl_req, sizeof(ssl_req));
2429 (void)BIO_flush(sbio);
2432 case PROTO_POSTGRES:
2434 static const unsigned char ssl_request[] = {
2435 /* Length SSLRequest */
2436 0, 0, 0, 8, 4, 210, 22, 47
2440 /* Send SSLRequest packet */
2441 BIO_write(sbio, ssl_request, 8);
2442 (void)BIO_flush(sbio);
2444 /* Reply will be a single S if SSL is enabled */
2445 bytes = BIO_read(sbio, sbuf, BUFSIZZ);
2446 if (bytes != 1 || sbuf[0] != 'S')
2453 BIO *fbio = BIO_new(BIO_f_buffer());
2455 BIO_push(fbio, sbio);
2456 BIO_gets(fbio, mbuf, BUFSIZZ);
2457 /* STARTTLS command requires CAPABILITIES... */
2458 BIO_printf(fbio, "CAPABILITIES\r\n");
2459 (void)BIO_flush(fbio);
2460 /* wait for multi-line CAPABILITIES response */
2462 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2463 if (strstr(mbuf, "STARTTLS"))
2465 } while (mbuf_len > 1 && mbuf[0] != '.');
2466 (void)BIO_flush(fbio);
2471 "Didn't find STARTTLS in server response,"
2472 " trying anyway...\n");
2473 BIO_printf(sbio, "STARTTLS\r\n");
2474 mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ);
2476 BIO_printf(bio_err, "BIO_read failed\n");
2479 mbuf[mbuf_len] = '\0';
2480 if (strstr(mbuf, "382") == NULL) {
2481 BIO_printf(bio_err, "STARTTLS failed: %s", mbuf);
2489 BIO *fbio = BIO_new(BIO_f_buffer());
2491 BIO_push(fbio, sbio);
2492 /* wait for multi-line response to end from Sieve */
2494 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2496 * According to RFC 5804 § 1.7, capability
2497 * is case-insensitive, make it uppercase
2499 if (mbuf_len > 1 && mbuf[0] == '"') {
2500 make_uppercase(mbuf);
2501 if (strncmp(mbuf, "\"STARTTLS\"", 10) == 0)
2504 } while (mbuf_len > 1 && mbuf[0] == '"');
2505 (void)BIO_flush(fbio);
2510 "Didn't find STARTTLS in server response,"
2511 " trying anyway...\n");
2512 BIO_printf(sbio, "STARTTLS\r\n");
2513 mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ);
2515 BIO_printf(bio_err, "BIO_read failed\n");
2518 mbuf[mbuf_len] = '\0';
2520 BIO_printf(bio_err, "STARTTLS failed: %s", mbuf);
2524 * According to RFC 5804 § 2.2, response codes are case-
2525 * insensitive, make it uppercase but preserve the response.
2527 strncpy(sbuf, mbuf, 2);
2528 make_uppercase(sbuf);
2529 if (strncmp(sbuf, "OK", 2) != 0) {
2530 BIO_printf(bio_err, "STARTTLS not supported: %s", mbuf);
2537 /* StartTLS Operation according to RFC 4511 */
2538 static char ldap_tls_genconf[] = "asn1=SEQUENCE:LDAPMessage\n"
2540 "messageID=INTEGER:1\n"
2541 "extendedReq=EXPLICIT:23A,IMPLICIT:0C,"
2542 "FORMAT:ASCII,OCT:1.3.6.1.4.1.1466.20037\n";
2544 char *genstr = NULL;
2546 ASN1_TYPE *atyp = NULL;
2547 BIO *ldapbio = BIO_new(BIO_s_mem());
2548 CONF *cnf = NCONF_new(NULL);
2554 BIO_puts(ldapbio, ldap_tls_genconf);
2555 if (NCONF_load_bio(cnf, ldapbio, &errline) <= 0) {
2559 BIO_printf(bio_err, "NCONF_load_bio failed\n");
2562 BIO_printf(bio_err, "Error on line %ld\n", errline);
2567 genstr = NCONF_get_string(cnf, "default", "asn1");
2568 if (genstr == NULL) {
2570 BIO_printf(bio_err, "NCONF_get_string failed\n");
2573 atyp = ASN1_generate_nconf(genstr, cnf);
2576 BIO_printf(bio_err, "ASN1_generate_nconf failed\n");
2581 /* Send SSLRequest packet */
2582 BIO_write(sbio, atyp->value.sequence->data,
2583 atyp->value.sequence->length);
2584 (void)BIO_flush(sbio);
2585 ASN1_TYPE_free(atyp);
2587 mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ);
2589 BIO_printf(bio_err, "BIO_read failed\n");
2592 result = ldap_ExtendedResponse_parse(mbuf, mbuf_len);
2594 BIO_printf(bio_err, "ldap_ExtendedResponse_parse failed\n");
2596 } else if (result > 0) {
2597 BIO_printf(bio_err, "STARTTLS failed, LDAP Result Code: %i\n",
2606 if (early_data_file != NULL
2607 && SSL_get0_session(con) != NULL
2608 && SSL_SESSION_get_max_early_data(SSL_get0_session(con)) > 0) {
2609 BIO *edfile = BIO_new_file(early_data_file, "r");
2610 size_t readbytes, writtenbytes;
2613 if (edfile == NULL) {
2614 BIO_printf(bio_err, "Cannot open early data file\n");
2619 if (!BIO_read_ex(edfile, cbuf, BUFSIZZ, &readbytes))
2622 while (!SSL_write_early_data(con, cbuf, readbytes, &writtenbytes)) {
2623 switch (SSL_get_error(con, 0)) {
2624 case SSL_ERROR_WANT_WRITE:
2625 case SSL_ERROR_WANT_ASYNC:
2626 case SSL_ERROR_WANT_READ:
2627 /* Just keep trying - busy waiting */
2630 BIO_printf(bio_err, "Error writing early data\n");
2644 if ((SSL_version(con) == DTLS1_VERSION) &&
2645 DTLSv1_get_timeout(con, &timeout))
2646 timeoutp = &timeout;
2650 if (!SSL_is_init_finished(con) && SSL_total_renegotiations(con) == 0
2651 && SSL_get_key_update_type(con) == SSL_KEY_UPDATE_NONE) {
2660 BIO_puts(bio_err, "CONNECTION ESTABLISHED\n");
2661 print_ssl_summary(con);
2664 print_stuff(bio_c_out, con, full_log);
2668 if (starttls_proto) {
2669 BIO_write(bio_err, mbuf, mbuf_len);
2670 /* We don't need to know any more */
2672 starttls_proto = PROTO_OFF;
2677 BIO_printf(bio_c_out,
2678 "drop connection and then reconnect\n");
2679 do_ssl_shutdown(con);
2680 SSL_set_connect_state(con);
2681 BIO_closesocket(SSL_get_fd(con));
2687 ssl_pending = read_ssl && SSL_has_pending(con);
2690 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
2693 * Note that select() returns when read _would not block_,
2694 * and EOF satisfies that. To avoid a CPU-hogging loop,
2695 * set the flag so we exit.
2697 if (read_tty && !at_eof)
2698 openssl_fdset(fileno_stdin(), &readfds);
2699 #if !defined(OPENSSL_SYS_VMS)
2701 openssl_fdset(fileno_stdout(), &writefds);
2705 openssl_fdset(SSL_get_fd(con), &readfds);
2707 openssl_fdset(SSL_get_fd(con), &writefds);
2709 if (!tty_on || !write_tty) {
2711 openssl_fdset(SSL_get_fd(con), &readfds);
2713 openssl_fdset(SSL_get_fd(con), &writefds);
2718 * Note: under VMS with SOCKETSHR the second parameter is
2719 * currently of type (int *) whereas under other systems it is
2720 * (void *) if you don't have a cast it will choke the compiler:
2721 * if you do have a cast then you can either go for (int *) or
2724 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2726 * Under Windows/DOS we make the assumption that we can always
2727 * write to the tty: therefore if we need to write to the tty we
2728 * just fall through. Otherwise we timeout the select every
2729 * second and see if there are any keypresses. Note: this is a
2730 * hack, in a proper Windows application we wouldn't do this.
2737 i = select(width, (void *)&readfds, (void *)&writefds,
2739 if (!i && (!has_stdin_waiting() || !read_tty))
2742 i = select(width, (void *)&readfds, (void *)&writefds,
2746 i = select(width, (void *)&readfds, (void *)&writefds,
2750 BIO_printf(bio_err, "bad select %d\n",
2751 get_last_socket_error());
2756 if ((SSL_version(con) == DTLS1_VERSION)
2757 && DTLSv1_handle_timeout(con) > 0) {
2758 BIO_printf(bio_err, "TIMEOUT occurred\n");
2761 if (!ssl_pending && FD_ISSET(SSL_get_fd(con), &writefds)) {
2762 k = SSL_write(con, &(cbuf[cbuf_off]), (unsigned int)cbuf_len);
2763 switch (SSL_get_error(con, k)) {
2764 case SSL_ERROR_NONE:
2769 /* we have done a write(con,NULL,0); */
2770 if (cbuf_len <= 0) {
2773 } else { /* if (cbuf_len > 0) */
2779 case SSL_ERROR_WANT_WRITE:
2780 BIO_printf(bio_c_out, "write W BLOCK\n");
2784 case SSL_ERROR_WANT_ASYNC:
2785 BIO_printf(bio_c_out, "write A BLOCK\n");
2786 wait_for_async(con);
2790 case SSL_ERROR_WANT_READ:
2791 BIO_printf(bio_c_out, "write R BLOCK\n");
2796 case SSL_ERROR_WANT_X509_LOOKUP:
2797 BIO_printf(bio_c_out, "write X BLOCK\n");
2799 case SSL_ERROR_ZERO_RETURN:
2800 if (cbuf_len != 0) {
2801 BIO_printf(bio_c_out, "shutdown\n");
2810 case SSL_ERROR_SYSCALL:
2811 if ((k != 0) || (cbuf_len != 0)) {
2812 BIO_printf(bio_err, "write:errno=%d\n",
2813 get_last_socket_error());
2820 case SSL_ERROR_WANT_ASYNC_JOB:
2821 /* This shouldn't ever happen in s_client - treat as an error */
2823 ERR_print_errors(bio_err);
2827 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_VMS)
2828 /* Assume Windows/DOS/BeOS can always write */
2829 else if (!ssl_pending && write_tty)
2831 else if (!ssl_pending && FD_ISSET(fileno_stdout(), &writefds))
2834 #ifdef CHARSET_EBCDIC
2835 ascii2ebcdic(&(sbuf[sbuf_off]), &(sbuf[sbuf_off]), sbuf_len);
2837 i = raw_write_stdout(&(sbuf[sbuf_off]), sbuf_len);
2840 BIO_printf(bio_c_out, "DONE\n");
2847 if (sbuf_len <= 0) {
2851 } else if (ssl_pending || FD_ISSET(SSL_get_fd(con), &readfds)) {
2856 SSL_renegotiate(con);
2861 k = SSL_read(con, sbuf, 1024 /* BUFSIZZ */ );
2863 switch (SSL_get_error(con, k)) {
2864 case SSL_ERROR_NONE:
2873 case SSL_ERROR_WANT_ASYNC:
2874 BIO_printf(bio_c_out, "read A BLOCK\n");
2875 wait_for_async(con);
2878 if ((read_tty == 0) && (write_ssl == 0))
2881 case SSL_ERROR_WANT_WRITE:
2882 BIO_printf(bio_c_out, "read W BLOCK\n");
2886 case SSL_ERROR_WANT_READ:
2887 BIO_printf(bio_c_out, "read R BLOCK\n");
2890 if ((read_tty == 0) && (write_ssl == 0))
2893 case SSL_ERROR_WANT_X509_LOOKUP:
2894 BIO_printf(bio_c_out, "read X BLOCK\n");
2896 case SSL_ERROR_SYSCALL:
2897 ret = get_last_socket_error();
2899 BIO_puts(bio_err, "CONNECTION CLOSED BY SERVER\n");
2901 BIO_printf(bio_err, "read:errno=%d\n", ret);
2903 case SSL_ERROR_ZERO_RETURN:
2904 BIO_printf(bio_c_out, "closed\n");
2907 case SSL_ERROR_WANT_ASYNC_JOB:
2908 /* This shouldn't ever happen in s_client. Treat as an error */
2910 ERR_print_errors(bio_err);
2914 /* OPENSSL_SYS_MSDOS includes OPENSSL_SYS_WINDOWS */
2915 #if defined(OPENSSL_SYS_MSDOS)
2916 else if (has_stdin_waiting())
2918 else if (FD_ISSET(fileno_stdin(), &readfds))
2924 i = raw_read_stdin(cbuf, BUFSIZZ / 2);
2926 /* both loops are skipped when i <= 0 */
2927 for (j = 0; j < i; j++)
2928 if (cbuf[j] == '\n')
2930 for (j = i - 1; j >= 0; j--) {
2931 cbuf[j + lf_num] = cbuf[j];
2932 if (cbuf[j] == '\n') {
2935 cbuf[j + lf_num] = '\r';
2938 assert(lf_num == 0);
2940 i = raw_read_stdin(cbuf, BUFSIZZ);
2941 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
2946 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q' && cmdletters))) {
2947 BIO_printf(bio_err, "DONE\n");
2952 if ((!c_ign_eof) && (cbuf[0] == 'R' && cmdletters)) {
2953 BIO_printf(bio_err, "RENEGOTIATING\n");
2954 SSL_renegotiate(con);
2958 if (!c_ign_eof && (cbuf[0] == 'K' || cbuf[0] == 'k' )
2960 BIO_printf(bio_err, "KEYUPDATE\n");
2962 cbuf[0] == 'K' ? SSL_KEY_UPDATE_REQUESTED
2963 : SSL_KEY_UPDATE_NOT_REQUESTED);
2966 #ifndef OPENSSL_NO_HEARTBEATS
2967 else if ((!c_ign_eof) && (cbuf[0] == 'B' && cmdletters)) {
2968 BIO_printf(bio_err, "HEARTBEATING\n");
2976 #ifdef CHARSET_EBCDIC
2977 ebcdic2ascii(cbuf, cbuf, i);
2989 print_stuff(bio_c_out, con, full_log);
2990 do_ssl_shutdown(con);
2991 #if defined(OPENSSL_SYS_WINDOWS)
2993 * Give the socket time to send its last data before we close it.
2994 * No amount of setting SO_LINGER etc on the socket seems to persuade
2995 * Windows to send the data before closing the socket...but sleeping
2996 * for a short time seems to do it (units in ms)
2997 * TODO: Find a better way to do this
3001 BIO_closesocket(SSL_get_fd(con));
3005 print_stuff(bio_c_out, con, 1);
3008 #if !defined(OPENSSL_NO_NEXTPROTONEG)
3009 OPENSSL_free(next_proto.data);
3012 set_keylog_file(NULL, NULL);
3014 sk_X509_CRL_pop_free(crls, X509_CRL_free);
3016 sk_X509_pop_free(chain, X509_free);
3018 #ifndef OPENSSL_NO_SRP
3019 OPENSSL_free(srp_arg.srppassin);
3021 OPENSSL_free(connectstr);
3024 X509_VERIFY_PARAM_free(vpm);
3025 ssl_excert_free(exc);
3026 sk_OPENSSL_STRING_free(ssl_args);
3027 sk_OPENSSL_STRING_free(dane_tlsa_rrset);
3028 SSL_CONF_CTX_free(cctx);
3029 OPENSSL_clear_free(cbuf, BUFSIZZ);
3030 OPENSSL_clear_free(sbuf, BUFSIZZ);
3031 OPENSSL_clear_free(mbuf, BUFSIZZ);
3033 BIO_free(bio_c_out);
3035 BIO_free(bio_c_msg);
3040 static void print_stuff(BIO *bio, SSL *s, int full)
3044 const SSL_CIPHER *c;
3046 #ifndef OPENSSL_NO_COMP
3047 const COMP_METHOD *comp, *expansion;
3049 unsigned char *exportedkeymat;
3050 #ifndef OPENSSL_NO_CT
3051 const SSL_CTX *ctx = SSL_get_SSL_CTX(s);
3055 int got_a_chain = 0;
3057 sk = SSL_get_peer_cert_chain(s);
3061 BIO_printf(bio, "---\nCertificate chain\n");
3062 for (i = 0; i < sk_X509_num(sk); i++) {
3063 BIO_printf(bio, "%2d s:", i);
3064 X509_NAME_print_ex(bio, X509_get_subject_name(sk_X509_value(sk, i)), 0, get_nameopt());
3065 BIO_puts(bio, "\n");
3066 BIO_printf(bio, " i:");
3067 X509_NAME_print_ex(bio, X509_get_issuer_name(sk_X509_value(sk, i)), 0, get_nameopt());
3068 BIO_puts(bio, "\n");
3070 PEM_write_bio_X509(bio, sk_X509_value(sk, i));
3074 BIO_printf(bio, "---\n");
3075 peer = SSL_get_peer_certificate(s);
3077 BIO_printf(bio, "Server certificate\n");
3079 /* Redundant if we showed the whole chain */
3080 if (!(c_showcerts && got_a_chain))
3081 PEM_write_bio_X509(bio, peer);
3082 dump_cert_text(bio, peer);
3084 BIO_printf(bio, "no peer certificate available\n");
3086 print_ca_names(bio, s);
3088 ssl_print_sigalgs(bio, s);
3089 ssl_print_tmp_key(bio, s);
3091 #ifndef OPENSSL_NO_CT
3093 * When the SSL session is anonymous, or resumed via an abbreviated
3094 * handshake, no SCTs are provided as part of the handshake. While in
3095 * a resumed session SCTs may be present in the session's certificate,
3096 * no callbacks are invoked to revalidate these, and in any case that
3097 * set of SCTs may be incomplete. Thus it makes little sense to
3098 * attempt to display SCTs from a resumed session's certificate, and of
3099 * course none are associated with an anonymous peer.
3101 if (peer != NULL && !SSL_session_reused(s) && SSL_ct_is_enabled(s)) {
3102 const STACK_OF(SCT) *scts = SSL_get0_peer_scts(s);
3103 int sct_count = scts != NULL ? sk_SCT_num(scts) : 0;
3105 BIO_printf(bio, "---\nSCTs present (%i)\n", sct_count);
3106 if (sct_count > 0) {
3107 const CTLOG_STORE *log_store = SSL_CTX_get0_ctlog_store(ctx);
3109 BIO_printf(bio, "---\n");
3110 for (i = 0; i < sct_count; ++i) {
3111 SCT *sct = sk_SCT_value(scts, i);
3113 BIO_printf(bio, "SCT validation status: %s\n",
3114 SCT_validation_status_string(sct));
3115 SCT_print(sct, bio, 0, log_store);
3116 if (i < sct_count - 1)
3117 BIO_printf(bio, "\n---\n");
3119 BIO_printf(bio, "\n");
3125 "---\nSSL handshake has read %ju bytes "
3126 "and written %ju bytes\n",
3127 BIO_number_read(SSL_get_rbio(s)),
3128 BIO_number_written(SSL_get_wbio(s)));
3130 print_verify_detail(s, bio);
3131 BIO_printf(bio, (SSL_session_reused(s) ? "---\nReused, " : "---\nNew, "));
3132 c = SSL_get_current_cipher(s);
3133 BIO_printf(bio, "%s, Cipher is %s\n",
3134 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
3138 pktmp = X509_get0_pubkey(peer);
3139 BIO_printf(bio, "Server public key is %d bit\n",
3140 EVP_PKEY_bits(pktmp));
3142 BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
3143 SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
3144 #ifndef OPENSSL_NO_COMP
3145 comp = SSL_get_current_compression(s);
3146 expansion = SSL_get_current_expansion(s);
3147 BIO_printf(bio, "Compression: %s\n",
3148 comp ? SSL_COMP_get_name(comp) : "NONE");
3149 BIO_printf(bio, "Expansion: %s\n",
3150 expansion ? SSL_COMP_get_name(expansion) : "NONE");
3155 /* Print out local port of connection: useful for debugging */
3157 union BIO_sock_info_u info;
3159 sock = SSL_get_fd(s);
3160 if ((info.addr = BIO_ADDR_new()) != NULL
3161 && BIO_sock_info(sock, BIO_SOCK_INFO_ADDRESS, &info)) {
3162 BIO_printf(bio_c_out, "LOCAL PORT is %u\n",
3163 ntohs(BIO_ADDR_rawport(info.addr)));
3165 BIO_ADDR_free(info.addr);
3169 #if !defined(OPENSSL_NO_NEXTPROTONEG)
3170 if (next_proto.status != -1) {
3171 const unsigned char *proto;
3172 unsigned int proto_len;
3173 SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
3174 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
3175 BIO_write(bio, proto, proto_len);
3176 BIO_write(bio, "\n", 1);
3180 const unsigned char *proto;
3181 unsigned int proto_len;
3182 SSL_get0_alpn_selected(s, &proto, &proto_len);
3183 if (proto_len > 0) {
3184 BIO_printf(bio, "ALPN protocol: ");
3185 BIO_write(bio, proto, proto_len);
3186 BIO_write(bio, "\n", 1);
3188 BIO_printf(bio, "No ALPN negotiated\n");
3191 #ifndef OPENSSL_NO_SRTP
3193 SRTP_PROTECTION_PROFILE *srtp_profile =
3194 SSL_get_selected_srtp_profile(s);
3197 BIO_printf(bio, "SRTP Extension negotiated, profile=%s\n",
3198 srtp_profile->name);
3202 if (SSL_version(s) == TLS1_3_VERSION) {
3203 switch (SSL_get_early_data_status(s)) {
3204 case SSL_EARLY_DATA_NOT_SENT:
3205 BIO_printf(bio, "Early data was not sent\n");
3208 case SSL_EARLY_DATA_REJECTED:
3209 BIO_printf(bio, "Early data was rejected\n");
3212 case SSL_EARLY_DATA_ACCEPTED:
3213 BIO_printf(bio, "Early data was accepted\n");
3219 SSL_SESSION_print(bio, SSL_get_session(s));
3220 if (SSL_get_session(s) != NULL && keymatexportlabel != NULL) {
3221 BIO_printf(bio, "Keying material exporter:\n");
3222 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel);
3223 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen);
3224 exportedkeymat = app_malloc(keymatexportlen, "export key");
3225 if (!SSL_export_keying_material(s, exportedkeymat,
3228 strlen(keymatexportlabel),
3230 BIO_printf(bio, " Error\n");
3232 BIO_printf(bio, " Keying material: ");
3233 for (i = 0; i < keymatexportlen; i++)
3234 BIO_printf(bio, "%02X", exportedkeymat[i]);
3235 BIO_printf(bio, "\n");
3237 OPENSSL_free(exportedkeymat);
3239 BIO_printf(bio, "---\n");
3241 /* flush, or debugging output gets mixed with http response */
3242 (void)BIO_flush(bio);
3245 # ifndef OPENSSL_NO_OCSP
3246 static int ocsp_resp_cb(SSL *s, void *arg)
3248 const unsigned char *p;
3251 len = SSL_get_tlsext_status_ocsp_resp(s, &p);
3252 BIO_puts(arg, "OCSP response: ");
3254 BIO_puts(arg, "no response sent\n");
3257 rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
3259 BIO_puts(arg, "response parse error\n");
3260 BIO_dump_indent(arg, (char *)p, len, 4);
3263 BIO_puts(arg, "\n======================================\n");
3264 OCSP_RESPONSE_print(arg, rsp, 0);
3265 BIO_puts(arg, "======================================\n");
3266 OCSP_RESPONSE_free(rsp);
3271 static int ldap_ExtendedResponse_parse(const char *buf, long rem)
3273 const unsigned char *cur, *end;
3275 int tag, xclass, inf, ret = -1;
3277 cur = (const unsigned char *)buf;
3283 * LDAPMessage ::= SEQUENCE {
3284 * messageID MessageID,
3285 * protocolOp CHOICE {
3287 * extendedResp ExtendedResponse,
3289 * controls [0] Controls OPTIONAL }
3291 * ExtendedResponse ::= [APPLICATION 24] SEQUENCE {
3292 * COMPONENTS OF LDAPResult,
3293 * responseName [10] LDAPOID OPTIONAL,
3294 * responseValue [11] OCTET STRING OPTIONAL }
3296 * LDAPResult ::= SEQUENCE {
3297 * resultCode ENUMERATED {
3303 * diagnosticMessage LDAPString,
3304 * referral [3] Referral OPTIONAL }
3308 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3309 if (inf != V_ASN1_CONSTRUCTED || tag != V_ASN1_SEQUENCE ||
3310 (rem = end - cur, len > rem)) {
3311 BIO_printf(bio_err, "Unexpected LDAP response\n");
3315 rem = len; /* ensure that we don't overstep the SEQUENCE */
3317 /* pull MessageID */
3318 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3319 if (inf != V_ASN1_UNIVERSAL || tag != V_ASN1_INTEGER ||
3320 (rem = end - cur, len > rem)) {
3321 BIO_printf(bio_err, "No MessageID\n");
3325 cur += len; /* shall we check for MessageId match or just skip? */
3327 /* pull [APPLICATION 24] */
3329 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3330 if (inf != V_ASN1_CONSTRUCTED || xclass != V_ASN1_APPLICATION ||
3332 BIO_printf(bio_err, "Not ExtendedResponse\n");
3336 /* pull resultCode */
3338 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3339 if (inf != V_ASN1_UNIVERSAL || tag != V_ASN1_ENUMERATED || len == 0 ||
3340 (rem = end - cur, len > rem)) {
3341 BIO_printf(bio_err, "Not LDAPResult\n");
3345 /* len should always be one, but just in case... */
3346 for (ret = 0, inf = 0; inf < len; inf++) {
3350 /* There is more data, but we don't care... */
3355 #endif /* OPENSSL_NO_SOCK */