2 * Copyright 1995-2018 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
17 #include <openssl/e_os2.h>
19 #ifndef OPENSSL_NO_SOCK
22 * With IPv6, it looks like Digital has mixed up the proper order of
23 * recursive header file inclusion, resulting in the compiler complaining
24 * that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which is
25 * needed to have fileno() declared correctly... So let's define u_int
27 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
29 typedef unsigned int u_int;
34 #include <openssl/x509.h>
35 #include <openssl/ssl.h>
36 #include <openssl/err.h>
37 #include <openssl/pem.h>
38 #include <openssl/rand.h>
39 #include <openssl/ocsp.h>
40 #include <openssl/bn.h>
41 #include <openssl/async.h>
42 #ifndef OPENSSL_NO_SRP
43 # include <openssl/srp.h>
46 # include <openssl/ct.h>
50 #include "internal/sockets.h"
52 #if defined(__has_feature)
53 # if __has_feature(memory_sanitizer)
54 # include <sanitizer/msan_interface.h>
59 #define BUFSIZZ 1024*8
60 #define S_CLIENT_IRC_READ_TIMEOUT 8
63 static int c_debug = 0;
64 static int c_showcerts = 0;
65 static char *keymatexportlabel = NULL;
66 static int keymatexportlen = 20;
67 static BIO *bio_c_out = NULL;
68 static int c_quiet = 0;
69 static char *sess_out = NULL;
70 static SSL_SESSION *psksess = NULL;
72 static void print_stuff(BIO *berr, SSL *con, int full);
73 #ifndef OPENSSL_NO_OCSP
74 static int ocsp_resp_cb(SSL *s, void *arg);
76 static int ldap_ExtendedResponse_parse(const char *buf, long rem);
78 static int saved_errno;
80 static void save_errno(void)
86 static int restore_errno(void)
93 static void do_ssl_shutdown(SSL *ssl)
98 /* We only do unidirectional shutdown */
99 ret = SSL_shutdown(ssl);
101 switch (SSL_get_error(ssl, ret)) {
102 case SSL_ERROR_WANT_READ:
103 case SSL_ERROR_WANT_WRITE:
104 case SSL_ERROR_WANT_ASYNC:
105 case SSL_ERROR_WANT_ASYNC_JOB:
106 /* We just do busy waiting. Nothing clever */
114 /* Default PSK identity and key */
115 static char *psk_identity = "Client_identity";
117 #ifndef OPENSSL_NO_PSK
118 static unsigned int psk_client_cb(SSL *ssl, const char *hint, char *identity,
119 unsigned int max_identity_len,
121 unsigned int max_psk_len)
128 BIO_printf(bio_c_out, "psk_client_cb\n");
130 /* no ServerKeyExchange message */
132 BIO_printf(bio_c_out,
133 "NULL received PSK identity hint, continuing anyway\n");
134 } else if (c_debug) {
135 BIO_printf(bio_c_out, "Received PSK identity hint '%s'\n", hint);
139 * lookup PSK identity and PSK key based on the given identity hint here
141 ret = BIO_snprintf(identity, max_identity_len, "%s", psk_identity);
142 if (ret < 0 || (unsigned int)ret > max_identity_len)
145 BIO_printf(bio_c_out, "created identity '%s' len=%d\n", identity,
148 /* convert the PSK key to binary */
149 key = OPENSSL_hexstr2buf(psk_key, &key_len);
151 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n",
155 if (max_psk_len > INT_MAX || key_len > (long)max_psk_len) {
157 "psk buffer of callback is too small (%d) for key (%ld)\n",
158 max_psk_len, key_len);
163 memcpy(psk, key, key_len);
167 BIO_printf(bio_c_out, "created PSK len=%ld\n", key_len);
172 BIO_printf(bio_err, "Error in PSK client callback\n");
177 const unsigned char tls13_aes128gcmsha256_id[] = { 0x13, 0x01 };
178 const unsigned char tls13_aes256gcmsha384_id[] = { 0x13, 0x02 };
180 static int psk_use_session_cb(SSL *s, const EVP_MD *md,
181 const unsigned char **id, size_t *idlen,
184 SSL_SESSION *usesess = NULL;
185 const SSL_CIPHER *cipher = NULL;
187 if (psksess != NULL) {
188 SSL_SESSION_up_ref(psksess);
192 unsigned char *key = OPENSSL_hexstr2buf(psk_key, &key_len);
195 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n",
200 if (key_len == EVP_MD_size(EVP_sha256()))
201 cipher = SSL_CIPHER_find(s, tls13_aes128gcmsha256_id);
202 else if (key_len == EVP_MD_size(EVP_sha384()))
203 cipher = SSL_CIPHER_find(s, tls13_aes256gcmsha384_id);
205 if (cipher == NULL) {
206 /* Doesn't look like a suitable TLSv1.3 key. Ignore it */
213 usesess = SSL_SESSION_new();
215 || !SSL_SESSION_set1_master_key(usesess, key, key_len)
216 || !SSL_SESSION_set_cipher(usesess, cipher)
217 || !SSL_SESSION_set_protocol_version(usesess, TLS1_3_VERSION)) {
224 cipher = SSL_SESSION_get0_cipher(usesess);
228 if (md != NULL && SSL_CIPHER_get_handshake_digest(cipher) != md) {
229 /* PSK not usable, ignore it */
233 SSL_SESSION_free(usesess);
236 *id = (unsigned char *)psk_identity;
237 *idlen = strlen(psk_identity);
243 SSL_SESSION_free(usesess);
247 /* This is a context that we pass to callbacks */
248 typedef struct tlsextctx_st {
253 static int ssl_servername_cb(SSL *s, int *ad, void *arg)
255 tlsextctx *p = (tlsextctx *) arg;
256 const char *hn = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
257 if (SSL_get_servername_type(s) != -1)
258 p->ack = !SSL_session_reused(s) && hn != NULL;
260 BIO_printf(bio_err, "Can't use SSL_get_servername\n");
262 return SSL_TLSEXT_ERR_OK;
265 #ifndef OPENSSL_NO_SRP
267 /* This is a context that we pass to all callbacks */
268 typedef struct srp_arg_st {
271 int msg; /* copy from c_msg */
272 int debug; /* copy from c_debug */
273 int amp; /* allow more groups */
274 int strength; /* minimal size for N */
277 # define SRP_NUMBER_ITERATIONS_FOR_PRIME 64
279 static int srp_Verify_N_and_g(const BIGNUM *N, const BIGNUM *g)
281 BN_CTX *bn_ctx = BN_CTX_new();
282 BIGNUM *p = BN_new();
283 BIGNUM *r = BN_new();
285 g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) &&
286 BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) == 1 &&
287 p != NULL && BN_rshift1(p, N) &&
289 BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) == 1 &&
291 /* verify g^((N-1)/2) == -1 (mod N) */
292 BN_mod_exp(r, g, p, N, bn_ctx) &&
293 BN_add_word(r, 1) && BN_cmp(r, N) == 0;
302 * This callback is used here for two purposes:
303 * - extended debugging
304 * - making some primality tests for unknown groups
305 * The callback is only called for a non default group.
307 * An application does not need the call back at all if
308 * only the standard groups are used. In real life situations,
309 * client and server already share well known groups,
310 * thus there is no need to verify them.
311 * Furthermore, in case that a server actually proposes a group that
312 * is not one of those defined in RFC 5054, it is more appropriate
313 * to add the group to a static list and then compare since
314 * primality tests are rather cpu consuming.
317 static int ssl_srp_verify_param_cb(SSL *s, void *arg)
319 SRP_ARG *srp_arg = (SRP_ARG *)arg;
320 BIGNUM *N = NULL, *g = NULL;
322 if (((N = SSL_get_srp_N(s)) == NULL) || ((g = SSL_get_srp_g(s)) == NULL))
324 if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1) {
325 BIO_printf(bio_err, "SRP parameters:\n");
326 BIO_printf(bio_err, "\tN=");
327 BN_print(bio_err, N);
328 BIO_printf(bio_err, "\n\tg=");
329 BN_print(bio_err, g);
330 BIO_printf(bio_err, "\n");
333 if (SRP_check_known_gN_param(g, N))
336 if (srp_arg->amp == 1) {
339 "SRP param N and g are not known params, going to check deeper.\n");
342 * The srp_moregroups is a real debugging feature. Implementors
343 * should rather add the value to the known ones. The minimal size
344 * has already been tested.
346 if (BN_num_bits(g) <= BN_BITS && srp_Verify_N_and_g(N, g))
349 BIO_printf(bio_err, "SRP param N and g rejected.\n");
353 # define PWD_STRLEN 1024
355 static char *ssl_give_srp_client_pwd_cb(SSL *s, void *arg)
357 SRP_ARG *srp_arg = (SRP_ARG *)arg;
358 char *pass = app_malloc(PWD_STRLEN + 1, "SRP password buffer");
362 cb_tmp.password = (char *)srp_arg->srppassin;
363 cb_tmp.prompt_info = "SRP user";
364 if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp)) < 0) {
365 BIO_printf(bio_err, "Can't read Password\n");
376 static char *srtp_profiles = NULL;
378 #ifndef OPENSSL_NO_NEXTPROTONEG
379 /* This the context that we pass to next_proto_cb */
380 typedef struct tlsextnextprotoctx_st {
384 } tlsextnextprotoctx;
386 static tlsextnextprotoctx next_proto;
388 static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen,
389 const unsigned char *in, unsigned int inlen,
392 tlsextnextprotoctx *ctx = arg;
395 /* We can assume that |in| is syntactically valid. */
397 BIO_printf(bio_c_out, "Protocols advertised by server: ");
398 for (i = 0; i < inlen;) {
400 BIO_write(bio_c_out, ", ", 2);
401 BIO_write(bio_c_out, &in[i + 1], in[i]);
404 BIO_write(bio_c_out, "\n", 1);
408 SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len);
409 return SSL_TLSEXT_ERR_OK;
411 #endif /* ndef OPENSSL_NO_NEXTPROTONEG */
413 static int serverinfo_cli_parse_cb(SSL *s, unsigned int ext_type,
414 const unsigned char *in, size_t inlen,
418 unsigned char ext_buf[4 + 65536];
420 /* Reconstruct the type/len fields prior to extension data */
421 inlen &= 0xffff; /* for formal memcmpy correctness */
422 ext_buf[0] = (unsigned char)(ext_type >> 8);
423 ext_buf[1] = (unsigned char)(ext_type);
424 ext_buf[2] = (unsigned char)(inlen >> 8);
425 ext_buf[3] = (unsigned char)(inlen);
426 memcpy(ext_buf + 4, in, inlen);
428 BIO_snprintf(pem_name, sizeof(pem_name), "SERVERINFO FOR EXTENSION %d",
430 PEM_write_bio(bio_c_out, pem_name, "", ext_buf, 4 + inlen);
435 * Hex decoder that tolerates optional whitespace. Returns number of bytes
436 * produced, advances inptr to end of input string.
438 static ossl_ssize_t hexdecode(const char **inptr, void *result)
440 unsigned char **out = (unsigned char **)result;
441 const char *in = *inptr;
442 unsigned char *ret = app_malloc(strlen(in) / 2, "hexdecode");
443 unsigned char *cp = ret;
450 for (byte = 0; *in; ++in) {
453 if (isspace(_UC(*in)))
455 x = OPENSSL_hexchar2int(*in);
461 if ((nibble ^= 1) == 0) {
474 return cp - (*out = ret);
478 * Decode unsigned 0..255, returns 1 on success, <= 0 on failure. Advances
479 * inptr to next field skipping leading whitespace.
481 static ossl_ssize_t checked_uint8(const char **inptr, void *out)
483 uint8_t *result = (uint8_t *)out;
484 const char *in = *inptr;
490 v = strtol(in, &endp, 10);
493 if (((v == LONG_MIN || v == LONG_MAX) && e == ERANGE) ||
494 endp == in || !isspace(_UC(*endp)) ||
495 v != (*result = (uint8_t) v)) {
498 for (in = endp; isspace(_UC(*in)); ++in)
508 ossl_ssize_t (*parser)(const char **, void *);
511 static int tlsa_import_rr(SSL *con, const char *rrdata)
513 /* Not necessary to re-init these values; the "parsers" do that. */
514 static uint8_t usage;
515 static uint8_t selector;
516 static uint8_t mtype;
517 static unsigned char *data;
518 static struct tlsa_field tlsa_fields[] = {
519 { &usage, "usage", checked_uint8 },
520 { &selector, "selector", checked_uint8 },
521 { &mtype, "mtype", checked_uint8 },
522 { &data, "data", hexdecode },
525 struct tlsa_field *f;
527 const char *cp = rrdata;
528 ossl_ssize_t len = 0;
530 for (f = tlsa_fields; f->var; ++f) {
531 /* Returns number of bytes produced, advances cp to next field */
532 if ((len = f->parser(&cp, f->var)) <= 0) {
533 BIO_printf(bio_err, "%s: warning: bad TLSA %s field in: %s\n",
534 prog, f->name, rrdata);
538 /* The data field is last, so len is its length */
539 ret = SSL_dane_tlsa_add(con, usage, selector, mtype, data, len);
543 ERR_print_errors(bio_err);
544 BIO_printf(bio_err, "%s: warning: unusable TLSA rrdata: %s\n",
549 ERR_print_errors(bio_err);
550 BIO_printf(bio_err, "%s: warning: error loading TLSA rrdata: %s\n",
557 static int tlsa_import_rrset(SSL *con, STACK_OF(OPENSSL_STRING) *rrset)
559 int num = sk_OPENSSL_STRING_num(rrset);
563 for (i = 0; i < num; ++i) {
564 char *rrdata = sk_OPENSSL_STRING_value(rrset, i);
565 if (tlsa_import_rr(con, rrdata) > 0)
571 typedef enum OPTION_choice {
572 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
573 OPT_4, OPT_6, OPT_HOST, OPT_PORT, OPT_CONNECT, OPT_UNIX,
574 OPT_XMPPHOST, OPT_VERIFY, OPT_NAMEOPT,
575 OPT_CERT, OPT_CRL, OPT_CRL_DOWNLOAD, OPT_SESS_OUT, OPT_SESS_IN,
576 OPT_CERTFORM, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET,
577 OPT_BRIEF, OPT_PREXIT, OPT_CRLF, OPT_QUIET, OPT_NBIO,
578 OPT_SSL_CLIENT_ENGINE, OPT_IGN_EOF, OPT_NO_IGN_EOF,
579 OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_WDEBUG,
580 OPT_MSG, OPT_MSGFILE, OPT_ENGINE, OPT_TRACE, OPT_SECURITY_DEBUG,
581 OPT_SECURITY_DEBUG_VERBOSE, OPT_SHOWCERTS, OPT_NBIO_TEST, OPT_STATE,
582 OPT_PSK_IDENTITY, OPT_PSK, OPT_PSK_SESS,
583 #ifndef OPENSSL_NO_SRP
584 OPT_SRPUSER, OPT_SRPPASS, OPT_SRP_STRENGTH, OPT_SRP_LATEUSER,
587 OPT_SSL3, OPT_SSL_CONFIG,
588 OPT_TLS1_3, OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1,
589 OPT_DTLS1_2, OPT_SCTP, OPT_TIMEOUT, OPT_MTU, OPT_KEYFORM, OPT_PASS,
590 OPT_CERT_CHAIN, OPT_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH,
591 OPT_KEY, OPT_RECONNECT, OPT_BUILD_CHAIN, OPT_CAFILE, OPT_NOCAFILE,
592 OPT_CHAINCAFILE, OPT_VERIFYCAFILE, OPT_NEXTPROTONEG, OPT_ALPN,
593 OPT_SERVERINFO, OPT_STARTTLS, OPT_SERVERNAME, OPT_NOSERVERNAME, OPT_ASYNC,
594 OPT_USE_SRTP, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN, OPT_PROTOHOST,
595 OPT_MAXFRAGLEN, OPT_MAX_SEND_FRAG, OPT_SPLIT_SEND_FRAG, OPT_MAX_PIPELINES,
596 OPT_READ_BUF, OPT_KEYLOG_FILE, OPT_EARLY_DATA, OPT_REQCAFILE,
600 OPT_FALLBACKSCSV, OPT_NOCMDS, OPT_PROXY, OPT_DANE_TLSA_DOMAIN,
601 #ifndef OPENSSL_NO_CT
602 OPT_CT, OPT_NOCT, OPT_CTLOG_FILE,
604 OPT_DANE_TLSA_RRDATA, OPT_DANE_EE_NO_NAME,
608 const OPTIONS s_client_options[] = {
609 {"help", OPT_HELP, '-', "Display this summary"},
610 {"host", OPT_HOST, 's', "Use -connect instead"},
611 {"port", OPT_PORT, 'p', "Use -connect instead"},
612 {"connect", OPT_CONNECT, 's',
613 "TCP/IP where to connect (default is :" PORT ")"},
614 {"proxy", OPT_PROXY, 's',
615 "Connect to via specified proxy to the real server"},
617 {"unix", OPT_UNIX, 's', "Connect over the specified Unix-domain socket"},
619 {"4", OPT_4, '-', "Use IPv4 only"},
621 {"6", OPT_6, '-', "Use IPv6 only"},
623 {"verify", OPT_VERIFY, 'p', "Turn on peer certificate verification"},
624 {"cert", OPT_CERT, '<', "Certificate file to use, PEM format assumed"},
625 {"certform", OPT_CERTFORM, 'F',
626 "Certificate format (PEM or DER) PEM default"},
627 {"nameopt", OPT_NAMEOPT, 's', "Various certificate name options"},
628 {"key", OPT_KEY, 's', "Private key file to use, if not in -cert file"},
629 {"keyform", OPT_KEYFORM, 'E', "Key format (PEM, DER or engine) PEM default"},
630 {"pass", OPT_PASS, 's', "Private key file pass phrase source"},
631 {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
632 {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
633 {"no-CAfile", OPT_NOCAFILE, '-',
634 "Do not load the default certificates file"},
635 {"no-CApath", OPT_NOCAPATH, '-',
636 "Do not load certificates from the default certificates directory"},
637 {"requestCAfile", OPT_REQCAFILE, '<',
638 "PEM format file of CA names to send to the server"},
639 {"dane_tlsa_domain", OPT_DANE_TLSA_DOMAIN, 's', "DANE TLSA base domain"},
640 {"dane_tlsa_rrdata", OPT_DANE_TLSA_RRDATA, 's',
641 "DANE TLSA rrdata presentation form"},
642 {"dane_ee_no_namechecks", OPT_DANE_EE_NO_NAME, '-',
643 "Disable name checks when matching DANE-EE(3) TLSA records"},
644 {"reconnect", OPT_RECONNECT, '-',
645 "Drop and re-make the connection with the same Session-ID"},
646 {"showcerts", OPT_SHOWCERTS, '-', "Show all certificates in the chain"},
647 {"debug", OPT_DEBUG, '-', "Extra output"},
648 {"msg", OPT_MSG, '-', "Show protocol messages"},
649 {"msgfile", OPT_MSGFILE, '>',
650 "File to send output of -msg or -trace, instead of stdout"},
651 {"nbio_test", OPT_NBIO_TEST, '-', "More ssl protocol testing"},
652 {"state", OPT_STATE, '-', "Print the ssl states"},
653 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"},
654 {"quiet", OPT_QUIET, '-', "No s_client output"},
655 {"ign_eof", OPT_IGN_EOF, '-', "Ignore input eof (default when -quiet)"},
656 {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Don't ignore input eof"},
657 {"starttls", OPT_STARTTLS, 's',
658 "Use the appropriate STARTTLS command before starting TLS"},
659 {"xmpphost", OPT_XMPPHOST, 's',
660 "Alias of -name option for \"-starttls xmpp[-server]\""},
662 {"sess_out", OPT_SESS_OUT, '>', "File to write SSL session to"},
663 {"sess_in", OPT_SESS_IN, '<', "File to read SSL session from"},
664 {"use_srtp", OPT_USE_SRTP, 's',
665 "Offer SRTP key management with a colon-separated profile list"},
666 {"keymatexport", OPT_KEYMATEXPORT, 's',
667 "Export keying material using label"},
668 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
669 "Export len bytes of keying material (default 20)"},
670 {"maxfraglen", OPT_MAXFRAGLEN, 'p',
671 "Enable Maximum Fragment Length Negotiation (len values: 512, 1024, 2048 and 4096)"},
672 {"fallback_scsv", OPT_FALLBACKSCSV, '-', "Send the fallback SCSV"},
673 {"name", OPT_PROTOHOST, 's',
674 "Hostname to use for \"-starttls lmtp\", \"-starttls smtp\" or \"-starttls xmpp[-server]\""},
675 {"CRL", OPT_CRL, '<', "CRL file to use"},
676 {"crl_download", OPT_CRL_DOWNLOAD, '-', "Download CRL from distribution points"},
677 {"CRLform", OPT_CRLFORM, 'F', "CRL format (PEM or DER) PEM is default"},
678 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-',
679 "Close connection on verification error"},
680 {"verify_quiet", OPT_VERIFY_QUIET, '-', "Restrict verify output to errors"},
681 {"brief", OPT_BRIEF, '-',
682 "Restrict output to brief summary of connection parameters"},
683 {"prexit", OPT_PREXIT, '-',
684 "Print session information when the program exits"},
685 {"security_debug", OPT_SECURITY_DEBUG, '-',
686 "Enable security debug messages"},
687 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-',
688 "Output more security debug output"},
689 {"cert_chain", OPT_CERT_CHAIN, '<',
690 "Certificate chain file (in PEM format)"},
691 {"chainCApath", OPT_CHAINCAPATH, '/',
692 "Use dir as certificate store path to build CA certificate chain"},
693 {"verifyCApath", OPT_VERIFYCAPATH, '/',
694 "Use dir as certificate store path to verify CA certificate"},
695 {"build_chain", OPT_BUILD_CHAIN, '-', "Build certificate chain"},
696 {"chainCAfile", OPT_CHAINCAFILE, '<',
697 "CA file for certificate chain (PEM format)"},
698 {"verifyCAfile", OPT_VERIFYCAFILE, '<',
699 "CA file for certificate verification (PEM format)"},
700 {"nocommands", OPT_NOCMDS, '-', "Do not use interactive command letters"},
701 {"servername", OPT_SERVERNAME, 's',
702 "Set TLS extension servername (SNI) in ClientHello (default)"},
703 {"noservername", OPT_NOSERVERNAME, '-',
704 "Do not send the server name (SNI) extension in the ClientHello"},
705 {"tlsextdebug", OPT_TLSEXTDEBUG, '-',
706 "Hex dump of all TLS extensions received"},
707 #ifndef OPENSSL_NO_OCSP
708 {"status", OPT_STATUS, '-', "Request certificate status from server"},
710 {"serverinfo", OPT_SERVERINFO, 's',
711 "types Send empty ClientHello extensions (comma-separated numbers)"},
712 {"alpn", OPT_ALPN, 's',
713 "Enable ALPN extension, considering named protocols supported (comma-separated list)"},
714 {"async", OPT_ASYNC, '-', "Support asynchronous operation"},
715 {"ssl_config", OPT_SSL_CONFIG, 's', "Use specified configuration file"},
716 {"max_send_frag", OPT_MAX_SEND_FRAG, 'p', "Maximum Size of send frames "},
717 {"split_send_frag", OPT_SPLIT_SEND_FRAG, 'p',
718 "Size used to split data for encrypt pipelines"},
719 {"max_pipelines", OPT_MAX_PIPELINES, 'p',
720 "Maximum number of encrypt/decrypt pipelines to be used"},
721 {"read_buf", OPT_READ_BUF, 'p',
722 "Default read buffer size to be used for connections"},
726 #ifndef OPENSSL_NO_SSL3
727 {"ssl3", OPT_SSL3, '-', "Just use SSLv3"},
729 #ifndef OPENSSL_NO_TLS1
730 {"tls1", OPT_TLS1, '-', "Just use TLSv1"},
732 #ifndef OPENSSL_NO_TLS1_1
733 {"tls1_1", OPT_TLS1_1, '-', "Just use TLSv1.1"},
735 #ifndef OPENSSL_NO_TLS1_2
736 {"tls1_2", OPT_TLS1_2, '-', "Just use TLSv1.2"},
738 #ifndef OPENSSL_NO_TLS1_3
739 {"tls1_3", OPT_TLS1_3, '-', "Just use TLSv1.3"},
741 #ifndef OPENSSL_NO_DTLS
742 {"dtls", OPT_DTLS, '-', "Use any version of DTLS"},
743 {"timeout", OPT_TIMEOUT, '-',
744 "Enable send/receive timeout on DTLS connections"},
745 {"mtu", OPT_MTU, 'p', "Set the link layer MTU"},
747 #ifndef OPENSSL_NO_DTLS1
748 {"dtls1", OPT_DTLS1, '-', "Just use DTLSv1"},
750 #ifndef OPENSSL_NO_DTLS1_2
751 {"dtls1_2", OPT_DTLS1_2, '-', "Just use DTLSv1.2"},
753 #ifndef OPENSSL_NO_SCTP
754 {"sctp", OPT_SCTP, '-', "Use SCTP"},
756 #ifndef OPENSSL_NO_SSL_TRACE
757 {"trace", OPT_TRACE, '-', "Show trace output of protocol messages"},
760 {"wdebug", OPT_WDEBUG, '-', "WATT-32 tcp debugging"},
762 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"},
763 {"psk_identity", OPT_PSK_IDENTITY, 's', "PSK identity"},
764 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"},
765 {"psk_session", OPT_PSK_SESS, '<', "File to read PSK SSL session from"},
766 #ifndef OPENSSL_NO_SRP
767 {"srpuser", OPT_SRPUSER, 's', "SRP authentication for 'user'"},
768 {"srppass", OPT_SRPPASS, 's', "Password for 'user'"},
769 {"srp_lateuser", OPT_SRP_LATEUSER, '-',
770 "SRP username into second ClientHello message"},
771 {"srp_moregroups", OPT_SRP_MOREGROUPS, '-',
772 "Tolerate other than the known g N values."},
773 {"srp_strength", OPT_SRP_STRENGTH, 'p', "Minimal length in bits for N"},
775 #ifndef OPENSSL_NO_NEXTPROTONEG
776 {"nextprotoneg", OPT_NEXTPROTONEG, 's',
777 "Enable NPN extension, considering named protocols supported (comma-separated list)"},
779 #ifndef OPENSSL_NO_ENGINE
780 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
781 {"ssl_client_engine", OPT_SSL_CLIENT_ENGINE, 's',
782 "Specify engine to be used for client certificate operations"},
784 #ifndef OPENSSL_NO_CT
785 {"ct", OPT_CT, '-', "Request and parse SCTs (also enables OCSP stapling)"},
786 {"noct", OPT_NOCT, '-', "Do not request or parse SCTs (default)"},
787 {"ctlogfile", OPT_CTLOG_FILE, '<', "CT log list CONF file"},
789 {"keylogfile", OPT_KEYLOG_FILE, '>', "Write TLS secrets to file"},
790 {"early_data", OPT_EARLY_DATA, '<', "File to send as early data"},
791 {NULL, OPT_EOF, 0x00, NULL}
794 typedef enum PROTOCOL_choice {
813 static const OPT_PAIR services[] = {
814 {"smtp", PROTO_SMTP},
815 {"pop3", PROTO_POP3},
816 {"imap", PROTO_IMAP},
818 {"xmpp", PROTO_XMPP},
819 {"xmpp-server", PROTO_XMPP_SERVER},
820 {"telnet", PROTO_TELNET},
822 {"mysql", PROTO_MYSQL},
823 {"postgres", PROTO_POSTGRES},
824 {"lmtp", PROTO_LMTP},
825 {"nntp", PROTO_NNTP},
826 {"sieve", PROTO_SIEVE},
827 {"ldap", PROTO_LDAP},
831 #define IS_INET_FLAG(o) \
832 (o == OPT_4 || o == OPT_6 || o == OPT_HOST || o == OPT_PORT || o == OPT_CONNECT)
833 #define IS_UNIX_FLAG(o) (o == OPT_UNIX)
835 #define IS_PROT_FLAG(o) \
836 (o == OPT_SSL3 || o == OPT_TLS1 || o == OPT_TLS1_1 || o == OPT_TLS1_2 \
837 || o == OPT_TLS1_3 || o == OPT_DTLS || o == OPT_DTLS1 || o == OPT_DTLS1_2)
839 /* Free |*dest| and optionally set it to a copy of |source|. */
840 static void freeandcopy(char **dest, const char *source)
845 *dest = OPENSSL_strdup(source);
848 static int new_session_cb(SSL *S, SSL_SESSION *sess)
850 BIO *stmp = BIO_new_file(sess_out, "w");
853 BIO_printf(bio_err, "Error writing session file %s\n", sess_out);
855 PEM_write_bio_SSL_SESSION(stmp, sess);
860 * We always return a "fail" response so that the session gets freed again
861 * because we haven't used the reference.
866 int s_client_main(int argc, char **argv)
869 EVP_PKEY *key = NULL;
872 STACK_OF(X509) *chain = NULL;
874 X509_VERIFY_PARAM *vpm = NULL;
875 SSL_EXCERT *exc = NULL;
876 SSL_CONF_CTX *cctx = NULL;
877 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
878 char *dane_tlsa_domain = NULL;
879 STACK_OF(OPENSSL_STRING) *dane_tlsa_rrset = NULL;
880 int dane_ee_no_name = 0;
881 STACK_OF(X509_CRL) *crls = NULL;
882 const SSL_METHOD *meth = TLS_client_method();
883 const char *CApath = NULL, *CAfile = NULL;
884 char *cbuf = NULL, *sbuf = NULL;
885 char *mbuf = NULL, *proxystr = NULL, *connectstr = NULL;
886 char *cert_file = NULL, *key_file = NULL, *chain_file = NULL;
887 char *chCApath = NULL, *chCAfile = NULL, *host = NULL;
888 char *port = OPENSSL_strdup(PORT);
889 char *passarg = NULL, *pass = NULL, *vfyCApath = NULL, *vfyCAfile = NULL;
890 char *ReqCAfile = NULL;
891 char *sess_in = NULL, *crl_file = NULL, *p;
892 const char *protohost = NULL;
893 struct timeval timeout, *timeoutp;
894 fd_set readfds, writefds;
895 int noCApath = 0, noCAfile = 0;
896 int build_chain = 0, cbuf_len, cbuf_off, cert_format = FORMAT_PEM;
897 int key_format = FORMAT_PEM, crlf = 0, full_log = 1, mbuf_len = 0;
900 int reconnect = 0, verify = SSL_VERIFY_NONE, vpmtouched = 0;
901 int ret = 1, in_init = 1, i, nbio_test = 0, s = -1, k, width, state = 0;
902 int sbuf_len, sbuf_off, cmdletters = 1;
903 int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM, protocol = 0;
904 int starttls_proto = PROTO_OFF, crl_format = FORMAT_PEM, crl_download = 0;
905 int write_tty, read_tty, write_ssl, read_ssl, tty_on, ssl_pending;
906 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
909 int read_buf_len = 0;
910 int fallback_scsv = 0;
912 #ifndef OPENSSL_NO_DTLS
913 int enable_timeouts = 0;
916 #ifndef OPENSSL_NO_ENGINE
917 ENGINE *ssl_client_engine = NULL;
920 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
923 const char *servername = NULL;
924 int noservername = 0;
925 const char *alpn_in = NULL;
926 tlsextctx tlsextcbp = { NULL, 0 };
927 const char *ssl_config = NULL;
928 #define MAX_SI_TYPES 100
929 unsigned short serverinfo_types[MAX_SI_TYPES];
930 int serverinfo_count = 0, start = 0, len;
931 #ifndef OPENSSL_NO_NEXTPROTONEG
932 const char *next_proto_neg_in = NULL;
934 #ifndef OPENSSL_NO_SRP
935 char *srppass = NULL;
936 int srp_lateuser = 0;
937 SRP_ARG srp_arg = { NULL, NULL, 0, 0, 0, 1024 };
939 #ifndef OPENSSL_NO_CT
940 char *ctlog_file = NULL;
941 int ct_validation = 0;
943 int min_version = 0, max_version = 0, prot_opt = 0, no_prot_opt = 0;
945 unsigned int max_send_fragment = 0;
946 unsigned int split_send_fragment = 0, max_pipelines = 0;
947 enum { use_inet, use_unix, use_unknown } connect_type = use_unknown;
949 uint8_t maxfraglen = 0;
950 int c_nbio = 0, c_msg = 0, c_ign_eof = 0, c_brief = 0;
951 int c_tlsextdebug = 0;
952 #ifndef OPENSSL_NO_OCSP
953 int c_status_req = 0;
955 BIO *bio_c_msg = NULL;
956 const char *keylog_file = NULL, *early_data_file = NULL;
957 #ifndef OPENSSL_NO_DTLS
960 char *psksessf = NULL;
964 /* Known false-positive of MemorySanitizer. */
965 #if defined(__has_feature)
966 # if __has_feature(memory_sanitizer)
967 __msan_unpoison(&readfds, sizeof(readfds));
968 __msan_unpoison(&writefds, sizeof(writefds));
972 prog = opt_progname(argv[0]);
977 vpm = X509_VERIFY_PARAM_new();
978 cctx = SSL_CONF_CTX_new();
980 if (vpm == NULL || cctx == NULL) {
981 BIO_printf(bio_err, "%s: out of memory\n", prog);
985 cbuf = app_malloc(BUFSIZZ, "cbuf");
986 sbuf = app_malloc(BUFSIZZ, "sbuf");
987 mbuf = app_malloc(BUFSIZZ, "mbuf");
989 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT | SSL_CONF_FLAG_CMDLINE);
991 prog = opt_init(argc, argv, s_client_options);
992 while ((o = opt_next()) != OPT_EOF) {
993 /* Check for intermixing flags. */
994 if (connect_type == use_unix && IS_INET_FLAG(o)) {
996 "%s: Intermixed protocol flags (unix and internet domains)\n",
1000 if (connect_type == use_inet && IS_UNIX_FLAG(o)) {
1002 "%s: Intermixed protocol flags (internet and unix domains)\n",
1007 if (IS_PROT_FLAG(o) && ++prot_opt > 1) {
1008 BIO_printf(bio_err, "Cannot supply multiple protocol flags\n");
1011 if (IS_NO_PROT_FLAG(o))
1013 if (prot_opt == 1 && no_prot_opt) {
1015 "Cannot supply both a protocol flag and '-no_<prot>'\n");
1023 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
1026 opt_help(s_client_options);
1030 connect_type = use_inet;
1031 socket_family = AF_INET;
1036 connect_type = use_inet;
1037 socket_family = AF_INET6;
1042 connect_type = use_inet;
1043 freeandcopy(&host, opt_arg());
1046 connect_type = use_inet;
1047 freeandcopy(&port, opt_arg());
1050 connect_type = use_inet;
1051 freeandcopy(&connectstr, opt_arg());
1054 proxystr = opt_arg();
1055 starttls_proto = PROTO_CONNECT;
1059 connect_type = use_unix;
1060 socket_family = AF_UNIX;
1061 freeandcopy(&host, opt_arg());
1065 /* fall through, since this is an alias */
1067 protohost = opt_arg();
1070 verify = SSL_VERIFY_PEER;
1071 verify_args.depth = atoi(opt_arg());
1073 BIO_printf(bio_err, "verify depth is %d\n", verify_args.depth);
1076 cert_file = opt_arg();
1079 if (!set_nameopt(opt_arg()))
1083 crl_file = opt_arg();
1085 case OPT_CRL_DOWNLOAD:
1089 sess_out = opt_arg();
1092 sess_in = opt_arg();
1095 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &cert_format))
1099 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
1102 case OPT_VERIFY_RET_ERROR:
1103 verify_args.return_error = 1;
1105 case OPT_VERIFY_QUIET:
1106 verify_args.quiet = 1;
1109 c_brief = verify_args.quiet = c_quiet = 1;
1112 if (ssl_args == NULL)
1113 ssl_args = sk_OPENSSL_STRING_new_null();
1114 if (ssl_args == NULL
1115 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
1116 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
1117 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1122 if (!opt_verify(o, vpm))
1127 if (!args_excert(o, &exc))
1137 c_quiet = c_ign_eof = 1;
1146 e = setup_engine(opt_arg(), 1);
1148 case OPT_SSL_CLIENT_ENGINE:
1149 #ifndef OPENSSL_NO_ENGINE
1150 ssl_client_engine = ENGINE_by_id(opt_arg());
1151 if (ssl_client_engine == NULL) {
1152 BIO_printf(bio_err, "Error getting client auth engine\n");
1164 case OPT_NO_IGN_EOF:
1170 case OPT_TLSEXTDEBUG:
1174 #ifndef OPENSSL_NO_OCSP
1187 bio_c_msg = BIO_new_file(opt_arg(), "w");
1190 #ifndef OPENSSL_NO_SSL_TRACE
1194 case OPT_SECURITY_DEBUG:
1197 case OPT_SECURITY_DEBUG_VERBOSE:
1209 case OPT_PSK_IDENTITY:
1210 psk_identity = opt_arg();
1213 for (p = psk_key = opt_arg(); *p; p++) {
1214 if (isxdigit(_UC(*p)))
1216 BIO_printf(bio_err, "Not a hex number '%s'\n", psk_key);
1221 psksessf = opt_arg();
1223 #ifndef OPENSSL_NO_SRP
1225 srp_arg.srplogin = opt_arg();
1226 if (min_version < TLS1_VERSION)
1227 min_version = TLS1_VERSION;
1230 srppass = opt_arg();
1231 if (min_version < TLS1_VERSION)
1232 min_version = TLS1_VERSION;
1234 case OPT_SRP_STRENGTH:
1235 srp_arg.strength = atoi(opt_arg());
1236 BIO_printf(bio_err, "SRP minimal length for N is %d\n",
1238 if (min_version < TLS1_VERSION)
1239 min_version = TLS1_VERSION;
1241 case OPT_SRP_LATEUSER:
1243 if (min_version < TLS1_VERSION)
1244 min_version = TLS1_VERSION;
1246 case OPT_SRP_MOREGROUPS:
1248 if (min_version < TLS1_VERSION)
1249 min_version = TLS1_VERSION;
1252 case OPT_SSL_CONFIG:
1253 ssl_config = opt_arg();
1256 min_version = SSL3_VERSION;
1257 max_version = SSL3_VERSION;
1260 min_version = TLS1_3_VERSION;
1261 max_version = TLS1_3_VERSION;
1264 min_version = TLS1_2_VERSION;
1265 max_version = TLS1_2_VERSION;
1268 min_version = TLS1_1_VERSION;
1269 max_version = TLS1_1_VERSION;
1272 min_version = TLS1_VERSION;
1273 max_version = TLS1_VERSION;
1276 #ifndef OPENSSL_NO_DTLS
1277 meth = DTLS_client_method();
1278 socket_type = SOCK_DGRAM;
1283 #ifndef OPENSSL_NO_DTLS1
1284 meth = DTLS_client_method();
1285 min_version = DTLS1_VERSION;
1286 max_version = DTLS1_VERSION;
1287 socket_type = SOCK_DGRAM;
1292 #ifndef OPENSSL_NO_DTLS1_2
1293 meth = DTLS_client_method();
1294 min_version = DTLS1_2_VERSION;
1295 max_version = DTLS1_2_VERSION;
1296 socket_type = SOCK_DGRAM;
1301 #ifndef OPENSSL_NO_SCTP
1302 protocol = IPPROTO_SCTP;
1306 #ifndef OPENSSL_NO_DTLS
1307 enable_timeouts = 1;
1311 #ifndef OPENSSL_NO_DTLS
1312 socket_mtu = atol(opt_arg());
1315 case OPT_FALLBACKSCSV:
1319 if (!opt_format(opt_arg(), OPT_FMT_PDE, &key_format))
1323 passarg = opt_arg();
1325 case OPT_CERT_CHAIN:
1326 chain_file = opt_arg();
1329 key_file = opt_arg();
1340 case OPT_CHAINCAPATH:
1341 chCApath = opt_arg();
1343 case OPT_VERIFYCAPATH:
1344 vfyCApath = opt_arg();
1346 case OPT_BUILD_CHAIN:
1350 ReqCAfile = opt_arg();
1358 #ifndef OPENSSL_NO_CT
1365 case OPT_CTLOG_FILE:
1366 ctlog_file = opt_arg();
1369 case OPT_CHAINCAFILE:
1370 chCAfile = opt_arg();
1372 case OPT_VERIFYCAFILE:
1373 vfyCAfile = opt_arg();
1375 case OPT_DANE_TLSA_DOMAIN:
1376 dane_tlsa_domain = opt_arg();
1378 case OPT_DANE_TLSA_RRDATA:
1379 if (dane_tlsa_rrset == NULL)
1380 dane_tlsa_rrset = sk_OPENSSL_STRING_new_null();
1381 if (dane_tlsa_rrset == NULL ||
1382 !sk_OPENSSL_STRING_push(dane_tlsa_rrset, opt_arg())) {
1383 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1387 case OPT_DANE_EE_NO_NAME:
1388 dane_ee_no_name = 1;
1390 case OPT_NEXTPROTONEG:
1391 #ifndef OPENSSL_NO_NEXTPROTONEG
1392 next_proto_neg_in = opt_arg();
1396 alpn_in = opt_arg();
1398 case OPT_SERVERINFO:
1401 for (start = 0, i = 0; i <= len; ++i) {
1402 if (i == len || p[i] == ',') {
1403 serverinfo_types[serverinfo_count] = atoi(p + start);
1404 if (++serverinfo_count == MAX_SI_TYPES)
1411 if (!opt_pair(opt_arg(), services, &starttls_proto))
1414 case OPT_SERVERNAME:
1415 servername = opt_arg();
1417 case OPT_NOSERVERNAME:
1421 srtp_profiles = opt_arg();
1423 case OPT_KEYMATEXPORT:
1424 keymatexportlabel = opt_arg();
1426 case OPT_KEYMATEXPORTLEN:
1427 keymatexportlen = atoi(opt_arg());
1432 case OPT_MAXFRAGLEN:
1433 len = atoi(opt_arg());
1436 maxfraglen = TLSEXT_max_fragment_length_512;
1439 maxfraglen = TLSEXT_max_fragment_length_1024;
1442 maxfraglen = TLSEXT_max_fragment_length_2048;
1445 maxfraglen = TLSEXT_max_fragment_length_4096;
1449 "%s: Max Fragment Len %u is out of permitted values",
1454 case OPT_MAX_SEND_FRAG:
1455 max_send_fragment = atoi(opt_arg());
1457 case OPT_SPLIT_SEND_FRAG:
1458 split_send_fragment = atoi(opt_arg());
1460 case OPT_MAX_PIPELINES:
1461 max_pipelines = atoi(opt_arg());
1464 read_buf_len = atoi(opt_arg());
1466 case OPT_KEYLOG_FILE:
1467 keylog_file = opt_arg();
1469 case OPT_EARLY_DATA:
1470 early_data_file = opt_arg();
1474 if (count4or6 >= 2) {
1475 BIO_printf(bio_err, "%s: Can't use both -4 and -6\n", prog);
1479 if (servername != NULL) {
1481 "%s: Can't use -servername and -noservername together\n",
1485 if (dane_tlsa_domain != NULL) {
1487 "%s: Can't use -dane_tlsa_domain and -noservername together\n",
1492 argc = opt_num_rest();
1494 /* If there's a positional argument, it's the equivalent of
1496 * Don't allow -connect and a separate argument.
1498 if (connectstr != NULL) {
1500 "%s: must not provide both -connect option and target parameter\n",
1504 connect_type = use_inet;
1505 freeandcopy(&connectstr, *opt_rest());
1506 } else if (argc != 0) {
1510 #ifndef OPENSSL_NO_NEXTPROTONEG
1511 if (min_version == TLS1_3_VERSION && next_proto_neg_in != NULL) {
1512 BIO_printf(bio_err, "Cannot supply -nextprotoneg with TLSv1.3\n");
1516 if (proxystr != NULL) {
1518 char *tmp_host = host, *tmp_port = port;
1519 if (connectstr == NULL) {
1520 BIO_printf(bio_err, "%s: -proxy requires use of -connect or target parameter\n", prog);
1523 res = BIO_parse_hostserv(proxystr, &host, &port, BIO_PARSE_PRIO_HOST);
1524 if (tmp_host != host)
1525 OPENSSL_free(tmp_host);
1526 if (tmp_port != port)
1527 OPENSSL_free(tmp_port);
1530 "%s: -proxy argument malformed or ambiguous\n", prog);
1535 char *tmp_host = host, *tmp_port = port;
1536 if (connectstr != NULL)
1537 res = BIO_parse_hostserv(connectstr, &host, &port,
1538 BIO_PARSE_PRIO_HOST);
1539 if (tmp_host != host)
1540 OPENSSL_free(tmp_host);
1541 if (tmp_port != port)
1542 OPENSSL_free(tmp_port);
1545 "%s: -connect argument or target parameter malformed or ambiguous\n",
1552 if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) {
1554 "Can't use unix sockets and datagrams together\n");
1559 #ifndef OPENSSL_NO_SCTP
1560 if (protocol == IPPROTO_SCTP) {
1561 if (socket_type != SOCK_DGRAM) {
1562 BIO_printf(bio_err, "Can't use -sctp without DTLS\n");
1565 /* SCTP is unusual. It uses DTLS over a SOCK_STREAM protocol */
1566 socket_type = SOCK_STREAM;
1570 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1571 next_proto.status = -1;
1572 if (next_proto_neg_in) {
1574 next_protos_parse(&next_proto.len, next_proto_neg_in);
1575 if (next_proto.data == NULL) {
1576 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n");
1580 next_proto.data = NULL;
1583 if (!app_passwd(passarg, NULL, &pass, NULL)) {
1584 BIO_printf(bio_err, "Error getting password\n");
1588 if (key_file == NULL)
1589 key_file = cert_file;
1591 if (key_file != NULL) {
1592 key = load_key(key_file, key_format, 0, pass, e,
1593 "client certificate private key file");
1595 ERR_print_errors(bio_err);
1600 if (cert_file != NULL) {
1601 cert = load_cert(cert_file, cert_format, "client certificate file");
1603 ERR_print_errors(bio_err);
1608 if (chain_file != NULL) {
1609 if (!load_certs(chain_file, &chain, FORMAT_PEM, NULL,
1610 "client certificate chain"))
1614 if (crl_file != NULL) {
1616 crl = load_crl(crl_file, crl_format);
1618 BIO_puts(bio_err, "Error loading CRL\n");
1619 ERR_print_errors(bio_err);
1622 crls = sk_X509_CRL_new_null();
1623 if (crls == NULL || !sk_X509_CRL_push(crls, crl)) {
1624 BIO_puts(bio_err, "Error adding CRL\n");
1625 ERR_print_errors(bio_err);
1631 if (!load_excert(&exc))
1634 if (bio_c_out == NULL) {
1635 if (c_quiet && !c_debug) {
1636 bio_c_out = BIO_new(BIO_s_null());
1637 if (c_msg && bio_c_msg == NULL)
1638 bio_c_msg = dup_bio_out(FORMAT_TEXT);
1639 } else if (bio_c_out == NULL)
1640 bio_c_out = dup_bio_out(FORMAT_TEXT);
1642 #ifndef OPENSSL_NO_SRP
1643 if (!app_passwd(srppass, NULL, &srp_arg.srppassin, NULL)) {
1644 BIO_printf(bio_err, "Error getting password\n");
1649 ctx = SSL_CTX_new(meth);
1651 ERR_print_errors(bio_err);
1656 ssl_ctx_security_debug(ctx, sdebug);
1658 if (ssl_config != NULL) {
1659 if (SSL_CTX_config(ctx, ssl_config) == 0) {
1660 BIO_printf(bio_err, "Error using configuration \"%s\"\n",
1662 ERR_print_errors(bio_err);
1667 if (SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
1669 if (SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
1672 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
1673 BIO_printf(bio_err, "Error setting verify params\n");
1674 ERR_print_errors(bio_err);
1679 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
1682 if (max_send_fragment > 0
1683 && !SSL_CTX_set_max_send_fragment(ctx, max_send_fragment)) {
1684 BIO_printf(bio_err, "%s: Max send fragment size %u is out of permitted range\n",
1685 prog, max_send_fragment);
1689 if (split_send_fragment > 0
1690 && !SSL_CTX_set_split_send_fragment(ctx, split_send_fragment)) {
1691 BIO_printf(bio_err, "%s: Split send fragment size %u is out of permitted range\n",
1692 prog, split_send_fragment);
1696 if (max_pipelines > 0
1697 && !SSL_CTX_set_max_pipelines(ctx, max_pipelines)) {
1698 BIO_printf(bio_err, "%s: Max pipelines %u is out of permitted range\n",
1699 prog, max_pipelines);
1703 if (read_buf_len > 0) {
1704 SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len);
1708 && !SSL_CTX_set_tlsext_max_fragment_length(ctx, maxfraglen)) {
1710 "%s: Max Fragment Length code %u is out of permitted values"
1711 "\n", prog, maxfraglen);
1715 if (!config_ctx(cctx, ssl_args, ctx))
1718 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1719 crls, crl_download)) {
1720 BIO_printf(bio_err, "Error loading store locations\n");
1721 ERR_print_errors(bio_err);
1724 if (ReqCAfile != NULL) {
1725 STACK_OF(X509_NAME) *nm = sk_X509_NAME_new_null();
1727 if (nm == NULL || !SSL_add_file_cert_subjects_to_stack(nm, ReqCAfile)) {
1728 sk_X509_NAME_pop_free(nm, X509_NAME_free);
1729 BIO_printf(bio_err, "Error loading CA names\n");
1730 ERR_print_errors(bio_err);
1733 SSL_CTX_set0_CA_list(ctx, nm);
1735 #ifndef OPENSSL_NO_ENGINE
1736 if (ssl_client_engine) {
1737 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine)) {
1738 BIO_puts(bio_err, "Error setting client auth engine\n");
1739 ERR_print_errors(bio_err);
1740 ENGINE_free(ssl_client_engine);
1743 ENGINE_free(ssl_client_engine);
1747 #ifndef OPENSSL_NO_PSK
1748 if (psk_key != NULL) {
1750 BIO_printf(bio_c_out, "PSK key given, setting client callback\n");
1751 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
1754 if (psksessf != NULL) {
1755 BIO *stmp = BIO_new_file(psksessf, "r");
1758 BIO_printf(bio_err, "Can't open PSK session file %s\n", psksessf);
1759 ERR_print_errors(bio_err);
1762 psksess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1764 if (psksess == NULL) {
1765 BIO_printf(bio_err, "Can't read PSK session file %s\n", psksessf);
1766 ERR_print_errors(bio_err);
1770 if (psk_key != NULL || psksess != NULL)
1771 SSL_CTX_set_psk_use_session_callback(ctx, psk_use_session_cb);
1773 #ifndef OPENSSL_NO_SRTP
1774 if (srtp_profiles != NULL) {
1775 /* Returns 0 on success! */
1776 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
1777 BIO_printf(bio_err, "Error setting SRTP profile\n");
1778 ERR_print_errors(bio_err);
1785 ssl_ctx_set_excert(ctx, exc);
1787 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1788 if (next_proto.data != NULL)
1789 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
1793 unsigned char *alpn = next_protos_parse(&alpn_len, alpn_in);
1796 BIO_printf(bio_err, "Error parsing -alpn argument\n");
1799 /* Returns 0 on success! */
1800 if (SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len) != 0) {
1801 BIO_printf(bio_err, "Error setting ALPN\n");
1807 for (i = 0; i < serverinfo_count; i++) {
1808 if (!SSL_CTX_add_client_custom_ext(ctx,
1809 serverinfo_types[i],
1811 serverinfo_cli_parse_cb, NULL)) {
1813 "Warning: Unable to add custom extension %u, skipping\n",
1814 serverinfo_types[i]);
1819 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1821 #ifndef OPENSSL_NO_CT
1822 /* Enable SCT processing, without early connection termination */
1823 if (ct_validation &&
1824 !SSL_CTX_enable_ct(ctx, SSL_CT_VALIDATION_PERMISSIVE)) {
1825 ERR_print_errors(bio_err);
1829 if (!ctx_set_ctlog_list_file(ctx, ctlog_file)) {
1830 if (ct_validation) {
1831 ERR_print_errors(bio_err);
1836 * If CT validation is not enabled, the log list isn't needed so don't
1837 * show errors or abort. We try to load it regardless because then we
1838 * can show the names of the logs any SCTs came from (SCTs may be seen
1839 * even with validation disabled).
1845 SSL_CTX_set_verify(ctx, verify, verify_callback);
1847 if (!ctx_set_verify_locations(ctx, CAfile, CApath, noCAfile, noCApath)) {
1848 ERR_print_errors(bio_err);
1852 ssl_ctx_add_crls(ctx, crls, crl_download);
1854 if (!set_cert_key_stuff(ctx, cert, key, chain, build_chain))
1857 if (!noservername) {
1858 tlsextcbp.biodebug = bio_err;
1859 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1860 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1862 # ifndef OPENSSL_NO_SRP
1863 if (srp_arg.srplogin) {
1864 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin)) {
1865 BIO_printf(bio_err, "Unable to set SRP username\n");
1868 srp_arg.msg = c_msg;
1869 srp_arg.debug = c_debug;
1870 SSL_CTX_set_srp_cb_arg(ctx, &srp_arg);
1871 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb);
1872 SSL_CTX_set_srp_strength(ctx, srp_arg.strength);
1873 if (c_msg || c_debug || srp_arg.amp == 0)
1874 SSL_CTX_set_srp_verify_param_callback(ctx,
1875 ssl_srp_verify_param_cb);
1879 if (dane_tlsa_domain != NULL) {
1880 if (SSL_CTX_dane_enable(ctx) <= 0) {
1882 "%s: Error enabling DANE TLSA authentication.\n",
1884 ERR_print_errors(bio_err);
1890 * In TLSv1.3 NewSessionTicket messages arrive after the handshake and can
1891 * come at any time. Therefore we use a callback to write out the session
1892 * when we know about it. This approach works for < TLSv1.3 as well.
1894 if (sess_out != NULL) {
1895 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_CLIENT
1896 | SSL_SESS_CACHE_NO_INTERNAL_STORE);
1897 SSL_CTX_sess_set_new_cb(ctx, new_session_cb);
1900 if (set_keylog_file(ctx, keylog_file))
1907 if (sess_in != NULL) {
1909 BIO *stmp = BIO_new_file(sess_in, "r");
1911 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1912 ERR_print_errors(bio_err);
1915 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1918 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1919 ERR_print_errors(bio_err);
1922 if (!SSL_set_session(con, sess)) {
1923 BIO_printf(bio_err, "Can't set session\n");
1924 ERR_print_errors(bio_err);
1928 SSL_SESSION_free(sess);
1932 SSL_set_mode(con, SSL_MODE_SEND_FALLBACK_SCSV);
1934 if (!noservername && (servername != NULL || dane_tlsa_domain == NULL)) {
1935 if (servername == NULL)
1936 servername = (host == NULL) ? "localhost" : host;
1937 if (!SSL_set_tlsext_host_name(con, servername)) {
1938 BIO_printf(bio_err, "Unable to set TLS servername extension.\n");
1939 ERR_print_errors(bio_err);
1944 if (dane_tlsa_domain != NULL) {
1945 if (SSL_dane_enable(con, dane_tlsa_domain) <= 0) {
1946 BIO_printf(bio_err, "%s: Error enabling DANE TLSA "
1947 "authentication.\n", prog);
1948 ERR_print_errors(bio_err);
1951 if (dane_tlsa_rrset == NULL) {
1952 BIO_printf(bio_err, "%s: DANE TLSA authentication requires at "
1953 "least one -dane_tlsa_rrdata option.\n", prog);
1956 if (tlsa_import_rrset(con, dane_tlsa_rrset) <= 0) {
1957 BIO_printf(bio_err, "%s: Failed to import any TLSA "
1958 "records.\n", prog);
1961 if (dane_ee_no_name)
1962 SSL_dane_set_flags(con, DANE_FLAG_NO_DANE_EE_NAMECHECKS);
1963 } else if (dane_tlsa_rrset != NULL) {
1964 BIO_printf(bio_err, "%s: DANE TLSA authentication requires the "
1965 "-dane_tlsa_domain option.\n", prog);
1970 if (init_client(&s, host, port, socket_family, socket_type, protocol)
1972 BIO_printf(bio_err, "connect:errno=%d\n", get_last_socket_error());
1976 BIO_printf(bio_c_out, "CONNECTED(%08X)\n", s);
1979 if (!BIO_socket_nbio(s, 1)) {
1980 ERR_print_errors(bio_err);
1983 BIO_printf(bio_c_out, "Turned on non blocking io\n");
1985 #ifndef OPENSSL_NO_DTLS
1987 union BIO_sock_info_u peer_info;
1989 #ifndef OPENSSL_NO_SCTP
1990 if (protocol == IPPROTO_SCTP)
1991 sbio = BIO_new_dgram_sctp(s, BIO_NOCLOSE);
1994 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
1996 if ((peer_info.addr = BIO_ADDR_new()) == NULL) {
1997 BIO_printf(bio_err, "memory allocation failure\n");
2001 if (!BIO_sock_info(s, BIO_SOCK_INFO_ADDRESS, &peer_info)) {
2002 BIO_printf(bio_err, "getsockname:errno=%d\n",
2003 get_last_socket_error());
2004 BIO_ADDR_free(peer_info.addr);
2009 (void)BIO_ctrl_set_connected(sbio, peer_info.addr);
2010 BIO_ADDR_free(peer_info.addr);
2011 peer_info.addr = NULL;
2013 if (enable_timeouts) {
2015 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2016 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2019 timeout.tv_usec = DGRAM_SND_TIMEOUT;
2020 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2024 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
2025 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
2026 DTLS_get_link_min_mtu(con));
2030 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2031 if (!DTLS_set_link_mtu(con, socket_mtu)) {
2032 BIO_printf(bio_err, "Failed to set MTU\n");
2037 /* want to do MTU discovery */
2038 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2041 #endif /* OPENSSL_NO_DTLS */
2042 sbio = BIO_new_socket(s, BIO_NOCLOSE);
2047 test = BIO_new(BIO_f_nbio_test());
2048 sbio = BIO_push(test, sbio);
2052 BIO_set_callback(sbio, bio_dump_callback);
2053 BIO_set_callback_arg(sbio, (char *)bio_c_out);
2056 #ifndef OPENSSL_NO_SSL_TRACE
2058 SSL_set_msg_callback(con, SSL_trace);
2061 SSL_set_msg_callback(con, msg_cb);
2062 SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out);
2065 if (c_tlsextdebug) {
2066 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2067 SSL_set_tlsext_debug_arg(con, bio_c_out);
2069 #ifndef OPENSSL_NO_OCSP
2071 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
2072 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
2073 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
2077 SSL_set_bio(con, sbio, sbio);
2078 SSL_set_connect_state(con);
2080 /* ok, lets connect */
2081 if (fileno_stdin() > SSL_get_fd(con))
2082 width = fileno_stdin() + 1;
2084 width = SSL_get_fd(con) + 1;
2097 switch ((PROTOCOL_CHOICE) starttls_proto) {
2104 * This is an ugly hack that does a lot of assumptions. We do
2105 * have to handle multi-line responses which may come in a single
2106 * packet or not. We therefore have to use BIO_gets() which does
2107 * need a buffering BIO. So during the initial chitchat we do
2108 * push a buffering BIO into the chain that is removed again
2109 * later on to not disturb the rest of the s_client operation.
2112 BIO *fbio = BIO_new(BIO_f_buffer());
2114 BIO_push(fbio, sbio);
2115 /* Wait for multi-line response to end from LMTP or SMTP */
2117 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2118 } while (mbuf_len > 3 && mbuf[3] == '-');
2119 if (protohost == NULL)
2120 protohost = "mail.example.com";
2121 if (starttls_proto == (int)PROTO_LMTP)
2122 BIO_printf(fbio, "LHLO %s\r\n", protohost);
2124 BIO_printf(fbio, "EHLO %s\r\n", protohost);
2125 (void)BIO_flush(fbio);
2127 * Wait for multi-line response to end LHLO LMTP or EHLO SMTP
2131 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2132 if (strstr(mbuf, "STARTTLS"))
2134 } while (mbuf_len > 3 && mbuf[3] == '-');
2135 (void)BIO_flush(fbio);
2140 "Didn't find STARTTLS in server response,"
2141 " trying anyway...\n");
2142 BIO_printf(sbio, "STARTTLS\r\n");
2143 BIO_read(sbio, sbuf, BUFSIZZ);
2148 BIO_read(sbio, mbuf, BUFSIZZ);
2149 BIO_printf(sbio, "STLS\r\n");
2150 mbuf_len = BIO_read(sbio, sbuf, BUFSIZZ);
2152 BIO_printf(bio_err, "BIO_read failed\n");
2160 BIO *fbio = BIO_new(BIO_f_buffer());
2162 BIO_push(fbio, sbio);
2163 BIO_gets(fbio, mbuf, BUFSIZZ);
2164 /* STARTTLS command requires CAPABILITY... */
2165 BIO_printf(fbio, ". CAPABILITY\r\n");
2166 (void)BIO_flush(fbio);
2167 /* wait for multi-line CAPABILITY response */
2169 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2170 if (strstr(mbuf, "STARTTLS"))
2173 while (mbuf_len > 3 && mbuf[0] != '.');
2174 (void)BIO_flush(fbio);
2179 "Didn't find STARTTLS in server response,"
2180 " trying anyway...\n");
2181 BIO_printf(sbio, ". STARTTLS\r\n");
2182 BIO_read(sbio, sbuf, BUFSIZZ);
2187 BIO *fbio = BIO_new(BIO_f_buffer());
2189 BIO_push(fbio, sbio);
2190 /* wait for multi-line response to end from FTP */
2192 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2194 while (mbuf_len > 3 && mbuf[3] == '-');
2195 (void)BIO_flush(fbio);
2198 BIO_printf(sbio, "AUTH TLS\r\n");
2199 BIO_read(sbio, sbuf, BUFSIZZ);
2203 case PROTO_XMPP_SERVER:
2206 BIO_printf(sbio, "<stream:stream "
2207 "xmlns:stream='http://etherx.jabber.org/streams' "
2208 "xmlns='jabber:%s' to='%s' version='1.0'>",
2209 starttls_proto == PROTO_XMPP ? "client" : "server",
2210 protohost ? protohost : host);
2211 seen = BIO_read(sbio, mbuf, BUFSIZZ);
2213 BIO_printf(bio_err, "BIO_read failed\n");
2218 (mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")
2220 "<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\""))
2222 seen = BIO_read(sbio, mbuf, BUFSIZZ);
2230 "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
2231 seen = BIO_read(sbio, sbuf, BUFSIZZ);
2233 BIO_printf(bio_err, "BIO_read failed\n");
2237 if (!strstr(sbuf, "<proceed"))
2244 static const unsigned char tls_do[] = {
2245 /* IAC DO START_TLS */
2248 static const unsigned char tls_will[] = {
2249 /* IAC WILL START_TLS */
2252 static const unsigned char tls_follows[] = {
2253 /* IAC SB START_TLS FOLLOWS IAC SE */
2254 255, 250, 46, 1, 255, 240
2258 /* Telnet server should demand we issue START_TLS */
2259 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
2260 if (bytes != 3 || memcmp(mbuf, tls_do, 3) != 0)
2262 /* Agree to issue START_TLS and send the FOLLOWS sub-command */
2263 BIO_write(sbio, tls_will, 3);
2264 BIO_write(sbio, tls_follows, 6);
2265 (void)BIO_flush(sbio);
2266 /* Telnet server also sent the FOLLOWS sub-command */
2267 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
2268 if (bytes != 6 || memcmp(mbuf, tls_follows, 6) != 0)
2275 error_proto, /* Wrong protocol, not even HTTP */
2276 error_connect, /* CONNECT failed */
2278 } foundit = error_connect;
2279 BIO *fbio = BIO_new(BIO_f_buffer());
2281 BIO_push(fbio, sbio);
2282 BIO_printf(fbio, "CONNECT %s HTTP/1.0\r\n\r\n", connectstr);
2283 (void)BIO_flush(fbio);
2285 * The first line is the HTTP response. According to RFC 7230,
2286 * it's formated exactly like this:
2288 * HTTP/d.d ddd Reason text\r\n
2290 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2291 if (mbuf_len < (int)strlen("HTTP/1.0 200")) {
2293 "%s: HTTP CONNECT failed, insufficient response "
2294 "from proxy (got %d octets)\n", prog, mbuf_len);
2295 (void)BIO_flush(fbio);
2300 if (mbuf[8] != ' ') {
2302 "%s: HTTP CONNECT failed, incorrect response "
2303 "from proxy\n", prog);
2304 foundit = error_proto;
2305 } else if (mbuf[9] != '2') {
2306 BIO_printf(bio_err, "%s: HTTP CONNECT failed: %s ", prog,
2311 if (foundit != error_proto) {
2312 /* Read past all following headers */
2314 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2315 } while (mbuf_len > 2);
2317 (void)BIO_flush(fbio);
2320 if (foundit != success) {
2328 BIO *fbio = BIO_new(BIO_f_buffer());
2330 BIO_push(fbio, sbio);
2331 BIO_printf(fbio, "STARTTLS\r\n");
2332 (void)BIO_flush(fbio);
2333 width = SSL_get_fd(con) + 1;
2339 openssl_fdset(SSL_get_fd(con), &readfds);
2340 timeout.tv_sec = S_CLIENT_IRC_READ_TIMEOUT;
2341 timeout.tv_usec = 0;
2343 * If the IRCd doesn't respond within
2344 * S_CLIENT_IRC_READ_TIMEOUT seconds, assume
2345 * it doesn't support STARTTLS. Many IRCds
2346 * will not give _any_ sort of response to a
2347 * STARTTLS command when it's not supported.
2349 if (!BIO_get_buffer_num_lines(fbio)
2350 && !BIO_pending(fbio)
2351 && !BIO_pending(sbio)
2352 && select(width, (void *)&readfds, NULL, NULL,
2355 "Timeout waiting for response (%d seconds).\n",
2356 S_CLIENT_IRC_READ_TIMEOUT);
2360 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2361 if (mbuf_len < 1 || sscanf(mbuf, "%*s %d", &numeric) != 1)
2363 /* :example.net 451 STARTTLS :You have not registered */
2364 /* :example.net 421 STARTTLS :Unknown command */
2365 if ((numeric == 451 || numeric == 421)
2366 && strstr(mbuf, "STARTTLS") != NULL) {
2367 BIO_printf(bio_err, "STARTTLS not supported: %s", mbuf);
2370 if (numeric == 691) {
2371 BIO_printf(bio_err, "STARTTLS negotiation failed: ");
2372 ERR_print_errors(bio_err);
2375 } while (numeric != 670);
2377 (void)BIO_flush(fbio);
2380 if (numeric != 670) {
2381 BIO_printf(bio_err, "Server does not support STARTTLS.\n");
2389 /* SSL request packet */
2390 static const unsigned char ssl_req[] = {
2391 /* payload_length, sequence_id */
2392 0x20, 0x00, 0x00, 0x01,
2394 /* capability flags, CLIENT_SSL always set */
2395 0x85, 0xae, 0x7f, 0x00,
2396 /* max-packet size */
2397 0x00, 0x00, 0x00, 0x01,
2400 /* string[23] reserved (all [0]) */
2401 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
2402 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
2403 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
2406 int ssl_flg = 0x800;
2408 const unsigned char *packet = (const unsigned char *)sbuf;
2410 /* Receiving Initial Handshake packet. */
2411 bytes = BIO_read(sbio, (void *)packet, BUFSIZZ);
2413 BIO_printf(bio_err, "BIO_read failed\n");
2415 /* Packet length[3], Packet number[1] + minimum payload[17] */
2416 } else if (bytes < 21) {
2417 BIO_printf(bio_err, "MySQL packet too short.\n");
2419 } else if (bytes != (4 + packet[0] +
2421 (packet[2] << 16))) {
2422 BIO_printf(bio_err, "MySQL packet length does not match.\n");
2424 /* protocol version[1] */
2425 } else if (packet[4] != 0xA) {
2427 "Only MySQL protocol version 10 is supported.\n");
2432 /* server version[string+NULL] */
2435 BIO_printf(bio_err, "Cannot confirm server version. ");
2437 } else if (packet[pos++] == '\0') {
2442 /* make sure we have at least 15 bytes left in the packet */
2443 if (pos + 15 > bytes) {
2445 "MySQL server handshake packet is broken.\n");
2449 pos += 12; /* skip over conn id[4] + SALT[8] */
2450 if (packet[pos++] != '\0') { /* verify filler */
2452 "MySQL packet is broken.\n");
2456 /* capability flags[2] */
2457 if (!((packet[pos] + (packet[pos + 1] << 8)) & ssl_flg)) {
2458 BIO_printf(bio_err, "MySQL server does not support SSL.\n");
2462 /* Sending SSL Handshake packet. */
2463 BIO_write(sbio, ssl_req, sizeof(ssl_req));
2464 (void)BIO_flush(sbio);
2467 case PROTO_POSTGRES:
2469 static const unsigned char ssl_request[] = {
2470 /* Length SSLRequest */
2471 0, 0, 0, 8, 4, 210, 22, 47
2475 /* Send SSLRequest packet */
2476 BIO_write(sbio, ssl_request, 8);
2477 (void)BIO_flush(sbio);
2479 /* Reply will be a single S if SSL is enabled */
2480 bytes = BIO_read(sbio, sbuf, BUFSIZZ);
2481 if (bytes != 1 || sbuf[0] != 'S')
2488 BIO *fbio = BIO_new(BIO_f_buffer());
2490 BIO_push(fbio, sbio);
2491 BIO_gets(fbio, mbuf, BUFSIZZ);
2492 /* STARTTLS command requires CAPABILITIES... */
2493 BIO_printf(fbio, "CAPABILITIES\r\n");
2494 (void)BIO_flush(fbio);
2495 /* wait for multi-line CAPABILITIES response */
2497 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2498 if (strstr(mbuf, "STARTTLS"))
2500 } while (mbuf_len > 1 && mbuf[0] != '.');
2501 (void)BIO_flush(fbio);
2506 "Didn't find STARTTLS in server response,"
2507 " trying anyway...\n");
2508 BIO_printf(sbio, "STARTTLS\r\n");
2509 mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ);
2511 BIO_printf(bio_err, "BIO_read failed\n");
2514 mbuf[mbuf_len] = '\0';
2515 if (strstr(mbuf, "382") == NULL) {
2516 BIO_printf(bio_err, "STARTTLS failed: %s", mbuf);
2524 BIO *fbio = BIO_new(BIO_f_buffer());
2526 BIO_push(fbio, sbio);
2527 /* wait for multi-line response to end from Sieve */
2529 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2531 * According to RFC 5804 § 1.7, capability
2532 * is case-insensitive, make it uppercase
2534 if (mbuf_len > 1 && mbuf[0] == '"') {
2535 make_uppercase(mbuf);
2536 if (strncmp(mbuf, "\"STARTTLS\"", 10) == 0)
2539 } while (mbuf_len > 1 && mbuf[0] == '"');
2540 (void)BIO_flush(fbio);
2545 "Didn't find STARTTLS in server response,"
2546 " trying anyway...\n");
2547 BIO_printf(sbio, "STARTTLS\r\n");
2548 mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ);
2550 BIO_printf(bio_err, "BIO_read failed\n");
2553 mbuf[mbuf_len] = '\0';
2555 BIO_printf(bio_err, "STARTTLS failed: %s", mbuf);
2559 * According to RFC 5804 § 2.2, response codes are case-
2560 * insensitive, make it uppercase but preserve the response.
2562 strncpy(sbuf, mbuf, 2);
2563 make_uppercase(sbuf);
2564 if (strncmp(sbuf, "OK", 2) != 0) {
2565 BIO_printf(bio_err, "STARTTLS not supported: %s", mbuf);
2572 /* StartTLS Operation according to RFC 4511 */
2573 static char ldap_tls_genconf[] = "asn1=SEQUENCE:LDAPMessage\n"
2575 "messageID=INTEGER:1\n"
2576 "extendedReq=EXPLICIT:23A,IMPLICIT:0C,"
2577 "FORMAT:ASCII,OCT:1.3.6.1.4.1.1466.20037\n";
2579 char *genstr = NULL;
2581 ASN1_TYPE *atyp = NULL;
2582 BIO *ldapbio = BIO_new(BIO_s_mem());
2583 CONF *cnf = NCONF_new(NULL);
2589 BIO_puts(ldapbio, ldap_tls_genconf);
2590 if (NCONF_load_bio(cnf, ldapbio, &errline) <= 0) {
2594 BIO_printf(bio_err, "NCONF_load_bio failed\n");
2597 BIO_printf(bio_err, "Error on line %ld\n", errline);
2602 genstr = NCONF_get_string(cnf, "default", "asn1");
2603 if (genstr == NULL) {
2605 BIO_printf(bio_err, "NCONF_get_string failed\n");
2608 atyp = ASN1_generate_nconf(genstr, cnf);
2611 BIO_printf(bio_err, "ASN1_generate_nconf failed\n");
2616 /* Send SSLRequest packet */
2617 BIO_write(sbio, atyp->value.sequence->data,
2618 atyp->value.sequence->length);
2619 (void)BIO_flush(sbio);
2620 ASN1_TYPE_free(atyp);
2622 mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ);
2624 BIO_printf(bio_err, "BIO_read failed\n");
2627 result = ldap_ExtendedResponse_parse(mbuf, mbuf_len);
2629 BIO_printf(bio_err, "ldap_ExtendedResponse_parse failed\n");
2631 } else if (result > 0) {
2632 BIO_printf(bio_err, "STARTTLS failed, LDAP Result Code: %i\n",
2641 if (early_data_file != NULL
2642 && ((SSL_get0_session(con) != NULL
2643 && SSL_SESSION_get_max_early_data(SSL_get0_session(con)) > 0)
2645 && SSL_SESSION_get_max_early_data(psksess) > 0))) {
2646 BIO *edfile = BIO_new_file(early_data_file, "r");
2647 size_t readbytes, writtenbytes;
2650 if (edfile == NULL) {
2651 BIO_printf(bio_err, "Cannot open early data file\n");
2656 if (!BIO_read_ex(edfile, cbuf, BUFSIZZ, &readbytes))
2659 while (!SSL_write_early_data(con, cbuf, readbytes, &writtenbytes)) {
2660 switch (SSL_get_error(con, 0)) {
2661 case SSL_ERROR_WANT_WRITE:
2662 case SSL_ERROR_WANT_ASYNC:
2663 case SSL_ERROR_WANT_READ:
2664 /* Just keep trying - busy waiting */
2667 BIO_printf(bio_err, "Error writing early data\n");
2669 ERR_print_errors(bio_err);
2682 if ((SSL_version(con) == DTLS1_VERSION) &&
2683 DTLSv1_get_timeout(con, &timeout))
2684 timeoutp = &timeout;
2688 if (!SSL_is_init_finished(con) && SSL_total_renegotiations(con) == 0
2689 && SSL_get_key_update_type(con) == SSL_KEY_UPDATE_NONE) {
2698 BIO_puts(bio_err, "CONNECTION ESTABLISHED\n");
2699 print_ssl_summary(con);
2702 print_stuff(bio_c_out, con, full_log);
2706 if (starttls_proto) {
2707 BIO_write(bio_err, mbuf, mbuf_len);
2708 /* We don't need to know any more */
2710 starttls_proto = PROTO_OFF;
2715 BIO_printf(bio_c_out,
2716 "drop connection and then reconnect\n");
2717 do_ssl_shutdown(con);
2718 SSL_set_connect_state(con);
2719 BIO_closesocket(SSL_get_fd(con));
2725 ssl_pending = read_ssl && SSL_has_pending(con);
2728 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
2731 * Note that select() returns when read _would not block_,
2732 * and EOF satisfies that. To avoid a CPU-hogging loop,
2733 * set the flag so we exit.
2735 if (read_tty && !at_eof)
2736 openssl_fdset(fileno_stdin(), &readfds);
2737 #if !defined(OPENSSL_SYS_VMS)
2739 openssl_fdset(fileno_stdout(), &writefds);
2743 openssl_fdset(SSL_get_fd(con), &readfds);
2745 openssl_fdset(SSL_get_fd(con), &writefds);
2747 if (!tty_on || !write_tty) {
2749 openssl_fdset(SSL_get_fd(con), &readfds);
2751 openssl_fdset(SSL_get_fd(con), &writefds);
2756 * Note: under VMS with SOCKETSHR the second parameter is
2757 * currently of type (int *) whereas under other systems it is
2758 * (void *) if you don't have a cast it will choke the compiler:
2759 * if you do have a cast then you can either go for (int *) or
2762 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2764 * Under Windows/DOS we make the assumption that we can always
2765 * write to the tty: therefore if we need to write to the tty we
2766 * just fall through. Otherwise we timeout the select every
2767 * second and see if there are any keypresses. Note: this is a
2768 * hack, in a proper Windows application we wouldn't do this.
2775 i = select(width, (void *)&readfds, (void *)&writefds,
2777 if (!i && (!has_stdin_waiting() || !read_tty))
2780 i = select(width, (void *)&readfds, (void *)&writefds,
2784 i = select(width, (void *)&readfds, (void *)&writefds,
2788 BIO_printf(bio_err, "bad select %d\n",
2789 get_last_socket_error());
2794 if ((SSL_version(con) == DTLS1_VERSION)
2795 && DTLSv1_handle_timeout(con) > 0) {
2796 BIO_printf(bio_err, "TIMEOUT occurred\n");
2799 if (!ssl_pending && FD_ISSET(SSL_get_fd(con), &writefds)) {
2800 k = SSL_write(con, &(cbuf[cbuf_off]), (unsigned int)cbuf_len);
2801 switch (SSL_get_error(con, k)) {
2802 case SSL_ERROR_NONE:
2807 /* we have done a write(con,NULL,0); */
2808 if (cbuf_len <= 0) {
2811 } else { /* if (cbuf_len > 0) */
2817 case SSL_ERROR_WANT_WRITE:
2818 BIO_printf(bio_c_out, "write W BLOCK\n");
2822 case SSL_ERROR_WANT_ASYNC:
2823 BIO_printf(bio_c_out, "write A BLOCK\n");
2824 wait_for_async(con);
2828 case SSL_ERROR_WANT_READ:
2829 BIO_printf(bio_c_out, "write R BLOCK\n");
2834 case SSL_ERROR_WANT_X509_LOOKUP:
2835 BIO_printf(bio_c_out, "write X BLOCK\n");
2837 case SSL_ERROR_ZERO_RETURN:
2838 if (cbuf_len != 0) {
2839 BIO_printf(bio_c_out, "shutdown\n");
2848 case SSL_ERROR_SYSCALL:
2849 if ((k != 0) || (cbuf_len != 0)) {
2850 BIO_printf(bio_err, "write:errno=%d\n",
2851 get_last_socket_error());
2858 case SSL_ERROR_WANT_ASYNC_JOB:
2859 /* This shouldn't ever happen in s_client - treat as an error */
2861 ERR_print_errors(bio_err);
2865 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_VMS)
2866 /* Assume Windows/DOS/BeOS can always write */
2867 else if (!ssl_pending && write_tty)
2869 else if (!ssl_pending && FD_ISSET(fileno_stdout(), &writefds))
2872 #ifdef CHARSET_EBCDIC
2873 ascii2ebcdic(&(sbuf[sbuf_off]), &(sbuf[sbuf_off]), sbuf_len);
2875 i = raw_write_stdout(&(sbuf[sbuf_off]), sbuf_len);
2878 BIO_printf(bio_c_out, "DONE\n");
2885 if (sbuf_len <= 0) {
2889 } else if (ssl_pending || FD_ISSET(SSL_get_fd(con), &readfds)) {
2894 SSL_renegotiate(con);
2899 k = SSL_read(con, sbuf, 1024 /* BUFSIZZ */ );
2901 switch (SSL_get_error(con, k)) {
2902 case SSL_ERROR_NONE:
2911 case SSL_ERROR_WANT_ASYNC:
2912 BIO_printf(bio_c_out, "read A BLOCK\n");
2913 wait_for_async(con);
2916 if ((read_tty == 0) && (write_ssl == 0))
2919 case SSL_ERROR_WANT_WRITE:
2920 BIO_printf(bio_c_out, "read W BLOCK\n");
2924 case SSL_ERROR_WANT_READ:
2925 BIO_printf(bio_c_out, "read R BLOCK\n");
2928 if ((read_tty == 0) && (write_ssl == 0))
2931 case SSL_ERROR_WANT_X509_LOOKUP:
2932 BIO_printf(bio_c_out, "read X BLOCK\n");
2934 case SSL_ERROR_SYSCALL:
2935 ret = get_last_socket_error();
2937 BIO_puts(bio_err, "CONNECTION CLOSED BY SERVER\n");
2939 BIO_printf(bio_err, "read:errno=%d\n", ret);
2941 case SSL_ERROR_ZERO_RETURN:
2942 BIO_printf(bio_c_out, "closed\n");
2945 case SSL_ERROR_WANT_ASYNC_JOB:
2946 /* This shouldn't ever happen in s_client. Treat as an error */
2948 ERR_print_errors(bio_err);
2952 /* OPENSSL_SYS_MSDOS includes OPENSSL_SYS_WINDOWS */
2953 #if defined(OPENSSL_SYS_MSDOS)
2954 else if (has_stdin_waiting())
2956 else if (FD_ISSET(fileno_stdin(), &readfds))
2962 i = raw_read_stdin(cbuf, BUFSIZZ / 2);
2964 /* both loops are skipped when i <= 0 */
2965 for (j = 0; j < i; j++)
2966 if (cbuf[j] == '\n')
2968 for (j = i - 1; j >= 0; j--) {
2969 cbuf[j + lf_num] = cbuf[j];
2970 if (cbuf[j] == '\n') {
2973 cbuf[j + lf_num] = '\r';
2976 assert(lf_num == 0);
2978 i = raw_read_stdin(cbuf, BUFSIZZ);
2979 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
2984 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q' && cmdletters))) {
2985 BIO_printf(bio_err, "DONE\n");
2990 if ((!c_ign_eof) && (cbuf[0] == 'R' && cmdletters)) {
2991 BIO_printf(bio_err, "RENEGOTIATING\n");
2992 SSL_renegotiate(con);
2996 if (!c_ign_eof && (cbuf[0] == 'K' || cbuf[0] == 'k' )
2998 BIO_printf(bio_err, "KEYUPDATE\n");
3000 cbuf[0] == 'K' ? SSL_KEY_UPDATE_REQUESTED
3001 : SSL_KEY_UPDATE_NOT_REQUESTED);
3004 #ifndef OPENSSL_NO_HEARTBEATS
3005 else if ((!c_ign_eof) && (cbuf[0] == 'B' && cmdletters)) {
3006 BIO_printf(bio_err, "HEARTBEATING\n");
3014 #ifdef CHARSET_EBCDIC
3015 ebcdic2ascii(cbuf, cbuf, i);
3027 print_stuff(bio_c_out, con, full_log);
3028 do_ssl_shutdown(con);
3031 * Give the socket time to send its last data before we close it.
3032 * No amount of setting SO_LINGER etc on the socket seems to persuade
3033 * Windows to send the data before closing the socket...but sleeping
3034 * for a short time seems to do it (units in ms)
3035 * TODO: Find a better way to do this
3037 #if defined(OPENSSL_SYS_WINDOWS)
3039 #elif defined(OPENSSL_SYS_CYGWIN)
3044 * If we ended with an alert being sent, but still with data in the
3045 * network buffer to be read, then calling BIO_closesocket() will
3046 * result in a TCP-RST being sent. On some platforms (notably
3047 * Windows) then this will result in the peer immediately abandoning
3048 * the connection including any buffered alert data before it has
3049 * had a chance to be read. Shutting down the sending side first,
3050 * and then closing the socket sends TCP-FIN first followed by
3051 * TCP-RST. This seems to allow the peer to read the alert data.
3053 shutdown(SSL_get_fd(con), 1); /* SHUT_WR */
3054 BIO_closesocket(SSL_get_fd(con));
3058 print_stuff(bio_c_out, con, 1);
3061 SSL_SESSION_free(psksess);
3062 #if !defined(OPENSSL_NO_NEXTPROTONEG)
3063 OPENSSL_free(next_proto.data);
3066 set_keylog_file(NULL, NULL);
3068 sk_X509_CRL_pop_free(crls, X509_CRL_free);
3070 sk_X509_pop_free(chain, X509_free);
3072 #ifndef OPENSSL_NO_SRP
3073 OPENSSL_free(srp_arg.srppassin);
3075 OPENSSL_free(connectstr);
3078 X509_VERIFY_PARAM_free(vpm);
3079 ssl_excert_free(exc);
3080 sk_OPENSSL_STRING_free(ssl_args);
3081 sk_OPENSSL_STRING_free(dane_tlsa_rrset);
3082 SSL_CONF_CTX_free(cctx);
3083 OPENSSL_clear_free(cbuf, BUFSIZZ);
3084 OPENSSL_clear_free(sbuf, BUFSIZZ);
3085 OPENSSL_clear_free(mbuf, BUFSIZZ);
3087 BIO_free(bio_c_out);
3089 BIO_free(bio_c_msg);
3094 static void print_stuff(BIO *bio, SSL *s, int full)
3098 const SSL_CIPHER *c;
3100 #ifndef OPENSSL_NO_COMP
3101 const COMP_METHOD *comp, *expansion;
3103 unsigned char *exportedkeymat;
3104 #ifndef OPENSSL_NO_CT
3105 const SSL_CTX *ctx = SSL_get_SSL_CTX(s);
3109 int got_a_chain = 0;
3111 sk = SSL_get_peer_cert_chain(s);
3115 BIO_printf(bio, "---\nCertificate chain\n");
3116 for (i = 0; i < sk_X509_num(sk); i++) {
3117 BIO_printf(bio, "%2d s:", i);
3118 X509_NAME_print_ex(bio, X509_get_subject_name(sk_X509_value(sk, i)), 0, get_nameopt());
3119 BIO_puts(bio, "\n");
3120 BIO_printf(bio, " i:");
3121 X509_NAME_print_ex(bio, X509_get_issuer_name(sk_X509_value(sk, i)), 0, get_nameopt());
3122 BIO_puts(bio, "\n");
3124 PEM_write_bio_X509(bio, sk_X509_value(sk, i));
3128 BIO_printf(bio, "---\n");
3129 peer = SSL_get_peer_certificate(s);
3131 BIO_printf(bio, "Server certificate\n");
3133 /* Redundant if we showed the whole chain */
3134 if (!(c_showcerts && got_a_chain))
3135 PEM_write_bio_X509(bio, peer);
3136 dump_cert_text(bio, peer);
3138 BIO_printf(bio, "no peer certificate available\n");
3140 print_ca_names(bio, s);
3142 ssl_print_sigalgs(bio, s);
3143 ssl_print_tmp_key(bio, s);
3145 #ifndef OPENSSL_NO_CT
3147 * When the SSL session is anonymous, or resumed via an abbreviated
3148 * handshake, no SCTs are provided as part of the handshake. While in
3149 * a resumed session SCTs may be present in the session's certificate,
3150 * no callbacks are invoked to revalidate these, and in any case that
3151 * set of SCTs may be incomplete. Thus it makes little sense to
3152 * attempt to display SCTs from a resumed session's certificate, and of
3153 * course none are associated with an anonymous peer.
3155 if (peer != NULL && !SSL_session_reused(s) && SSL_ct_is_enabled(s)) {
3156 const STACK_OF(SCT) *scts = SSL_get0_peer_scts(s);
3157 int sct_count = scts != NULL ? sk_SCT_num(scts) : 0;
3159 BIO_printf(bio, "---\nSCTs present (%i)\n", sct_count);
3160 if (sct_count > 0) {
3161 const CTLOG_STORE *log_store = SSL_CTX_get0_ctlog_store(ctx);
3163 BIO_printf(bio, "---\n");
3164 for (i = 0; i < sct_count; ++i) {
3165 SCT *sct = sk_SCT_value(scts, i);
3167 BIO_printf(bio, "SCT validation status: %s\n",
3168 SCT_validation_status_string(sct));
3169 SCT_print(sct, bio, 0, log_store);
3170 if (i < sct_count - 1)
3171 BIO_printf(bio, "\n---\n");
3173 BIO_printf(bio, "\n");
3179 "---\nSSL handshake has read %ju bytes "
3180 "and written %ju bytes\n",
3181 BIO_number_read(SSL_get_rbio(s)),
3182 BIO_number_written(SSL_get_wbio(s)));
3184 print_verify_detail(s, bio);
3185 BIO_printf(bio, (SSL_session_reused(s) ? "---\nReused, " : "---\nNew, "));
3186 c = SSL_get_current_cipher(s);
3187 BIO_printf(bio, "%s, Cipher is %s\n",
3188 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
3192 pktmp = X509_get0_pubkey(peer);
3193 BIO_printf(bio, "Server public key is %d bit\n",
3194 EVP_PKEY_bits(pktmp));
3196 BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
3197 SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
3198 #ifndef OPENSSL_NO_COMP
3199 comp = SSL_get_current_compression(s);
3200 expansion = SSL_get_current_expansion(s);
3201 BIO_printf(bio, "Compression: %s\n",
3202 comp ? SSL_COMP_get_name(comp) : "NONE");
3203 BIO_printf(bio, "Expansion: %s\n",
3204 expansion ? SSL_COMP_get_name(expansion) : "NONE");
3209 /* Print out local port of connection: useful for debugging */
3211 union BIO_sock_info_u info;
3213 sock = SSL_get_fd(s);
3214 if ((info.addr = BIO_ADDR_new()) != NULL
3215 && BIO_sock_info(sock, BIO_SOCK_INFO_ADDRESS, &info)) {
3216 BIO_printf(bio_c_out, "LOCAL PORT is %u\n",
3217 ntohs(BIO_ADDR_rawport(info.addr)));
3219 BIO_ADDR_free(info.addr);
3223 #if !defined(OPENSSL_NO_NEXTPROTONEG)
3224 if (next_proto.status != -1) {
3225 const unsigned char *proto;
3226 unsigned int proto_len;
3227 SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
3228 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
3229 BIO_write(bio, proto, proto_len);
3230 BIO_write(bio, "\n", 1);
3234 const unsigned char *proto;
3235 unsigned int proto_len;
3236 SSL_get0_alpn_selected(s, &proto, &proto_len);
3237 if (proto_len > 0) {
3238 BIO_printf(bio, "ALPN protocol: ");
3239 BIO_write(bio, proto, proto_len);
3240 BIO_write(bio, "\n", 1);
3242 BIO_printf(bio, "No ALPN negotiated\n");
3245 #ifndef OPENSSL_NO_SRTP
3247 SRTP_PROTECTION_PROFILE *srtp_profile =
3248 SSL_get_selected_srtp_profile(s);
3251 BIO_printf(bio, "SRTP Extension negotiated, profile=%s\n",
3252 srtp_profile->name);
3256 if (SSL_version(s) == TLS1_3_VERSION) {
3257 switch (SSL_get_early_data_status(s)) {
3258 case SSL_EARLY_DATA_NOT_SENT:
3259 BIO_printf(bio, "Early data was not sent\n");
3262 case SSL_EARLY_DATA_REJECTED:
3263 BIO_printf(bio, "Early data was rejected\n");
3266 case SSL_EARLY_DATA_ACCEPTED:
3267 BIO_printf(bio, "Early data was accepted\n");
3273 SSL_SESSION_print(bio, SSL_get_session(s));
3274 if (SSL_get_session(s) != NULL && keymatexportlabel != NULL) {
3275 BIO_printf(bio, "Keying material exporter:\n");
3276 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel);
3277 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen);
3278 exportedkeymat = app_malloc(keymatexportlen, "export key");
3279 if (!SSL_export_keying_material(s, exportedkeymat,
3282 strlen(keymatexportlabel),
3284 BIO_printf(bio, " Error\n");
3286 BIO_printf(bio, " Keying material: ");
3287 for (i = 0; i < keymatexportlen; i++)
3288 BIO_printf(bio, "%02X", exportedkeymat[i]);
3289 BIO_printf(bio, "\n");
3291 OPENSSL_free(exportedkeymat);
3293 BIO_printf(bio, "---\n");
3295 /* flush, or debugging output gets mixed with http response */
3296 (void)BIO_flush(bio);
3299 # ifndef OPENSSL_NO_OCSP
3300 static int ocsp_resp_cb(SSL *s, void *arg)
3302 const unsigned char *p;
3305 len = SSL_get_tlsext_status_ocsp_resp(s, &p);
3306 BIO_puts(arg, "OCSP response: ");
3308 BIO_puts(arg, "no response sent\n");
3311 rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
3313 BIO_puts(arg, "response parse error\n");
3314 BIO_dump_indent(arg, (char *)p, len, 4);
3317 BIO_puts(arg, "\n======================================\n");
3318 OCSP_RESPONSE_print(arg, rsp, 0);
3319 BIO_puts(arg, "======================================\n");
3320 OCSP_RESPONSE_free(rsp);
3325 static int ldap_ExtendedResponse_parse(const char *buf, long rem)
3327 const unsigned char *cur, *end;
3329 int tag, xclass, inf, ret = -1;
3331 cur = (const unsigned char *)buf;
3337 * LDAPMessage ::= SEQUENCE {
3338 * messageID MessageID,
3339 * protocolOp CHOICE {
3341 * extendedResp ExtendedResponse,
3343 * controls [0] Controls OPTIONAL }
3345 * ExtendedResponse ::= [APPLICATION 24] SEQUENCE {
3346 * COMPONENTS OF LDAPResult,
3347 * responseName [10] LDAPOID OPTIONAL,
3348 * responseValue [11] OCTET STRING OPTIONAL }
3350 * LDAPResult ::= SEQUENCE {
3351 * resultCode ENUMERATED {
3357 * diagnosticMessage LDAPString,
3358 * referral [3] Referral OPTIONAL }
3362 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3363 if (inf != V_ASN1_CONSTRUCTED || tag != V_ASN1_SEQUENCE ||
3364 (rem = end - cur, len > rem)) {
3365 BIO_printf(bio_err, "Unexpected LDAP response\n");
3369 rem = len; /* ensure that we don't overstep the SEQUENCE */
3371 /* pull MessageID */
3372 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3373 if (inf != V_ASN1_UNIVERSAL || tag != V_ASN1_INTEGER ||
3374 (rem = end - cur, len > rem)) {
3375 BIO_printf(bio_err, "No MessageID\n");
3379 cur += len; /* shall we check for MessageId match or just skip? */
3381 /* pull [APPLICATION 24] */
3383 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3384 if (inf != V_ASN1_CONSTRUCTED || xclass != V_ASN1_APPLICATION ||
3386 BIO_printf(bio_err, "Not ExtendedResponse\n");
3390 /* pull resultCode */
3392 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3393 if (inf != V_ASN1_UNIVERSAL || tag != V_ASN1_ENUMERATED || len == 0 ||
3394 (rem = end - cur, len > rem)) {
3395 BIO_printf(bio_err, "Not LDAPResult\n");
3399 /* len should always be one, but just in case... */
3400 for (ret = 0, inf = 0; inf < len; inf++) {
3404 /* There is more data, but we don't care... */
3409 #endif /* OPENSSL_NO_SOCK */