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_BIND, 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,
609 const OPTIONS s_client_options[] = {
610 {"help", OPT_HELP, '-', "Display this summary"},
611 {"host", OPT_HOST, 's', "Use -connect instead"},
612 {"port", OPT_PORT, 'p', "Use -connect instead"},
613 {"connect", OPT_CONNECT, 's',
614 "TCP/IP where to connect (default is :" PORT ")"},
615 {"bind", OPT_BIND, 's', "bind local address for connection"},
616 {"proxy", OPT_PROXY, 's',
617 "Connect to via specified proxy to the real server"},
619 {"unix", OPT_UNIX, 's', "Connect over the specified Unix-domain socket"},
621 {"4", OPT_4, '-', "Use IPv4 only"},
623 {"6", OPT_6, '-', "Use IPv6 only"},
625 {"verify", OPT_VERIFY, 'p', "Turn on peer certificate verification"},
626 {"cert", OPT_CERT, '<', "Certificate file to use, PEM format assumed"},
627 {"certform", OPT_CERTFORM, 'F',
628 "Certificate format (PEM or DER) PEM default"},
629 {"nameopt", OPT_NAMEOPT, 's', "Various certificate name options"},
630 {"key", OPT_KEY, 's', "Private key file to use, if not in -cert file"},
631 {"keyform", OPT_KEYFORM, 'E', "Key format (PEM, DER or engine) PEM default"},
632 {"pass", OPT_PASS, 's', "Private key file pass phrase source"},
633 {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
634 {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
635 {"no-CAfile", OPT_NOCAFILE, '-',
636 "Do not load the default certificates file"},
637 {"no-CApath", OPT_NOCAPATH, '-',
638 "Do not load certificates from the default certificates directory"},
639 {"requestCAfile", OPT_REQCAFILE, '<',
640 "PEM format file of CA names to send to the server"},
641 {"dane_tlsa_domain", OPT_DANE_TLSA_DOMAIN, 's', "DANE TLSA base domain"},
642 {"dane_tlsa_rrdata", OPT_DANE_TLSA_RRDATA, 's',
643 "DANE TLSA rrdata presentation form"},
644 {"dane_ee_no_namechecks", OPT_DANE_EE_NO_NAME, '-',
645 "Disable name checks when matching DANE-EE(3) TLSA records"},
646 {"reconnect", OPT_RECONNECT, '-',
647 "Drop and re-make the connection with the same Session-ID"},
648 {"showcerts", OPT_SHOWCERTS, '-', "Show all certificates in the chain"},
649 {"debug", OPT_DEBUG, '-', "Extra output"},
650 {"msg", OPT_MSG, '-', "Show protocol messages"},
651 {"msgfile", OPT_MSGFILE, '>',
652 "File to send output of -msg or -trace, instead of stdout"},
653 {"nbio_test", OPT_NBIO_TEST, '-', "More ssl protocol testing"},
654 {"state", OPT_STATE, '-', "Print the ssl states"},
655 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"},
656 {"quiet", OPT_QUIET, '-', "No s_client output"},
657 {"ign_eof", OPT_IGN_EOF, '-', "Ignore input eof (default when -quiet)"},
658 {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Don't ignore input eof"},
659 {"starttls", OPT_STARTTLS, 's',
660 "Use the appropriate STARTTLS command before starting TLS"},
661 {"xmpphost", OPT_XMPPHOST, 's',
662 "Alias of -name option for \"-starttls xmpp[-server]\""},
664 {"sess_out", OPT_SESS_OUT, '>', "File to write SSL session to"},
665 {"sess_in", OPT_SESS_IN, '<', "File to read SSL session from"},
666 {"use_srtp", OPT_USE_SRTP, 's',
667 "Offer SRTP key management with a colon-separated profile list"},
668 {"keymatexport", OPT_KEYMATEXPORT, 's',
669 "Export keying material using label"},
670 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
671 "Export len bytes of keying material (default 20)"},
672 {"maxfraglen", OPT_MAXFRAGLEN, 'p',
673 "Enable Maximum Fragment Length Negotiation (len values: 512, 1024, 2048 and 4096)"},
674 {"fallback_scsv", OPT_FALLBACKSCSV, '-', "Send the fallback SCSV"},
675 {"name", OPT_PROTOHOST, 's',
676 "Hostname to use for \"-starttls lmtp\", \"-starttls smtp\" or \"-starttls xmpp[-server]\""},
677 {"CRL", OPT_CRL, '<', "CRL file to use"},
678 {"crl_download", OPT_CRL_DOWNLOAD, '-', "Download CRL from distribution points"},
679 {"CRLform", OPT_CRLFORM, 'F', "CRL format (PEM or DER) PEM is default"},
680 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-',
681 "Close connection on verification error"},
682 {"verify_quiet", OPT_VERIFY_QUIET, '-', "Restrict verify output to errors"},
683 {"brief", OPT_BRIEF, '-',
684 "Restrict output to brief summary of connection parameters"},
685 {"prexit", OPT_PREXIT, '-',
686 "Print session information when the program exits"},
687 {"security_debug", OPT_SECURITY_DEBUG, '-',
688 "Enable security debug messages"},
689 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-',
690 "Output more security debug output"},
691 {"cert_chain", OPT_CERT_CHAIN, '<',
692 "Certificate chain file (in PEM format)"},
693 {"chainCApath", OPT_CHAINCAPATH, '/',
694 "Use dir as certificate store path to build CA certificate chain"},
695 {"verifyCApath", OPT_VERIFYCAPATH, '/',
696 "Use dir as certificate store path to verify CA certificate"},
697 {"build_chain", OPT_BUILD_CHAIN, '-', "Build certificate chain"},
698 {"chainCAfile", OPT_CHAINCAFILE, '<',
699 "CA file for certificate chain (PEM format)"},
700 {"verifyCAfile", OPT_VERIFYCAFILE, '<',
701 "CA file for certificate verification (PEM format)"},
702 {"nocommands", OPT_NOCMDS, '-', "Do not use interactive command letters"},
703 {"servername", OPT_SERVERNAME, 's',
704 "Set TLS extension servername (SNI) in ClientHello (default)"},
705 {"noservername", OPT_NOSERVERNAME, '-',
706 "Do not send the server name (SNI) extension in the ClientHello"},
707 {"tlsextdebug", OPT_TLSEXTDEBUG, '-',
708 "Hex dump of all TLS extensions received"},
709 #ifndef OPENSSL_NO_OCSP
710 {"status", OPT_STATUS, '-', "Request certificate status from server"},
712 {"serverinfo", OPT_SERVERINFO, 's',
713 "types Send empty ClientHello extensions (comma-separated numbers)"},
714 {"alpn", OPT_ALPN, 's',
715 "Enable ALPN extension, considering named protocols supported (comma-separated list)"},
716 {"async", OPT_ASYNC, '-', "Support asynchronous operation"},
717 {"ssl_config", OPT_SSL_CONFIG, 's', "Use specified configuration file"},
718 {"max_send_frag", OPT_MAX_SEND_FRAG, 'p', "Maximum Size of send frames "},
719 {"split_send_frag", OPT_SPLIT_SEND_FRAG, 'p',
720 "Size used to split data for encrypt pipelines"},
721 {"max_pipelines", OPT_MAX_PIPELINES, 'p',
722 "Maximum number of encrypt/decrypt pipelines to be used"},
723 {"read_buf", OPT_READ_BUF, 'p',
724 "Default read buffer size to be used for connections"},
728 #ifndef OPENSSL_NO_SSL3
729 {"ssl3", OPT_SSL3, '-', "Just use SSLv3"},
731 #ifndef OPENSSL_NO_TLS1
732 {"tls1", OPT_TLS1, '-', "Just use TLSv1"},
734 #ifndef OPENSSL_NO_TLS1_1
735 {"tls1_1", OPT_TLS1_1, '-', "Just use TLSv1.1"},
737 #ifndef OPENSSL_NO_TLS1_2
738 {"tls1_2", OPT_TLS1_2, '-', "Just use TLSv1.2"},
740 #ifndef OPENSSL_NO_TLS1_3
741 {"tls1_3", OPT_TLS1_3, '-', "Just use TLSv1.3"},
743 #ifndef OPENSSL_NO_DTLS
744 {"dtls", OPT_DTLS, '-', "Use any version of DTLS"},
745 {"timeout", OPT_TIMEOUT, '-',
746 "Enable send/receive timeout on DTLS connections"},
747 {"mtu", OPT_MTU, 'p', "Set the link layer MTU"},
749 #ifndef OPENSSL_NO_DTLS1
750 {"dtls1", OPT_DTLS1, '-', "Just use DTLSv1"},
752 #ifndef OPENSSL_NO_DTLS1_2
753 {"dtls1_2", OPT_DTLS1_2, '-', "Just use DTLSv1.2"},
755 #ifndef OPENSSL_NO_SCTP
756 {"sctp", OPT_SCTP, '-', "Use SCTP"},
758 #ifndef OPENSSL_NO_SSL_TRACE
759 {"trace", OPT_TRACE, '-', "Show trace output of protocol messages"},
762 {"wdebug", OPT_WDEBUG, '-', "WATT-32 tcp debugging"},
764 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"},
765 {"psk_identity", OPT_PSK_IDENTITY, 's', "PSK identity"},
766 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"},
767 {"psk_session", OPT_PSK_SESS, '<', "File to read PSK SSL session from"},
768 #ifndef OPENSSL_NO_SRP
769 {"srpuser", OPT_SRPUSER, 's', "SRP authentication for 'user'"},
770 {"srppass", OPT_SRPPASS, 's', "Password for 'user'"},
771 {"srp_lateuser", OPT_SRP_LATEUSER, '-',
772 "SRP username into second ClientHello message"},
773 {"srp_moregroups", OPT_SRP_MOREGROUPS, '-',
774 "Tolerate other than the known g N values."},
775 {"srp_strength", OPT_SRP_STRENGTH, 'p', "Minimal length in bits for N"},
777 #ifndef OPENSSL_NO_NEXTPROTONEG
778 {"nextprotoneg", OPT_NEXTPROTONEG, 's',
779 "Enable NPN extension, considering named protocols supported (comma-separated list)"},
781 #ifndef OPENSSL_NO_ENGINE
782 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
783 {"ssl_client_engine", OPT_SSL_CLIENT_ENGINE, 's',
784 "Specify engine to be used for client certificate operations"},
786 #ifndef OPENSSL_NO_CT
787 {"ct", OPT_CT, '-', "Request and parse SCTs (also enables OCSP stapling)"},
788 {"noct", OPT_NOCT, '-', "Do not request or parse SCTs (default)"},
789 {"ctlogfile", OPT_CTLOG_FILE, '<', "CT log list CONF file"},
791 {"keylogfile", OPT_KEYLOG_FILE, '>', "Write TLS secrets to file"},
792 {"early_data", OPT_EARLY_DATA, '<', "File to send as early data"},
793 {"force_pha", OPT_FORCE_PHA, '-', "Force-enable post-handshake-authentication"},
794 {NULL, OPT_EOF, 0x00, NULL}
797 typedef enum PROTOCOL_choice {
816 static const OPT_PAIR services[] = {
817 {"smtp", PROTO_SMTP},
818 {"pop3", PROTO_POP3},
819 {"imap", PROTO_IMAP},
821 {"xmpp", PROTO_XMPP},
822 {"xmpp-server", PROTO_XMPP_SERVER},
823 {"telnet", PROTO_TELNET},
825 {"mysql", PROTO_MYSQL},
826 {"postgres", PROTO_POSTGRES},
827 {"lmtp", PROTO_LMTP},
828 {"nntp", PROTO_NNTP},
829 {"sieve", PROTO_SIEVE},
830 {"ldap", PROTO_LDAP},
834 #define IS_INET_FLAG(o) \
835 (o == OPT_4 || o == OPT_6 || o == OPT_HOST || o == OPT_PORT || o == OPT_CONNECT)
836 #define IS_UNIX_FLAG(o) (o == OPT_UNIX)
838 #define IS_PROT_FLAG(o) \
839 (o == OPT_SSL3 || o == OPT_TLS1 || o == OPT_TLS1_1 || o == OPT_TLS1_2 \
840 || o == OPT_TLS1_3 || o == OPT_DTLS || o == OPT_DTLS1 || o == OPT_DTLS1_2)
842 /* Free |*dest| and optionally set it to a copy of |source|. */
843 static void freeandcopy(char **dest, const char *source)
848 *dest = OPENSSL_strdup(source);
851 static int new_session_cb(SSL *S, SSL_SESSION *sess)
853 BIO *stmp = BIO_new_file(sess_out, "w");
856 BIO_printf(bio_err, "Error writing session file %s\n", sess_out);
858 PEM_write_bio_SSL_SESSION(stmp, sess);
863 * We always return a "fail" response so that the session gets freed again
864 * because we haven't used the reference.
869 int s_client_main(int argc, char **argv)
872 EVP_PKEY *key = NULL;
875 STACK_OF(X509) *chain = NULL;
877 X509_VERIFY_PARAM *vpm = NULL;
878 SSL_EXCERT *exc = NULL;
879 SSL_CONF_CTX *cctx = NULL;
880 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
881 char *dane_tlsa_domain = NULL;
882 STACK_OF(OPENSSL_STRING) *dane_tlsa_rrset = NULL;
883 int dane_ee_no_name = 0;
884 STACK_OF(X509_CRL) *crls = NULL;
885 const SSL_METHOD *meth = TLS_client_method();
886 const char *CApath = NULL, *CAfile = NULL;
887 char *cbuf = NULL, *sbuf = NULL;
888 char *mbuf = NULL, *proxystr = NULL, *connectstr = NULL, *bindstr = NULL;
889 char *cert_file = NULL, *key_file = NULL, *chain_file = NULL;
890 char *chCApath = NULL, *chCAfile = NULL, *host = NULL;
891 char *port = OPENSSL_strdup(PORT);
892 char *bindhost = NULL, *bindport = NULL;
893 char *passarg = NULL, *pass = NULL, *vfyCApath = NULL, *vfyCAfile = NULL;
894 char *ReqCAfile = NULL;
895 char *sess_in = NULL, *crl_file = NULL, *p;
896 const char *protohost = NULL;
897 struct timeval timeout, *timeoutp;
898 fd_set readfds, writefds;
899 int noCApath = 0, noCAfile = 0;
900 int build_chain = 0, cbuf_len, cbuf_off, cert_format = FORMAT_PEM;
901 int key_format = FORMAT_PEM, crlf = 0, full_log = 1, mbuf_len = 0;
904 int reconnect = 0, verify = SSL_VERIFY_NONE, vpmtouched = 0;
905 int ret = 1, in_init = 1, i, nbio_test = 0, s = -1, k, width, state = 0;
906 int sbuf_len, sbuf_off, cmdletters = 1;
907 int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM, protocol = 0;
908 int starttls_proto = PROTO_OFF, crl_format = FORMAT_PEM, crl_download = 0;
909 int write_tty, read_tty, write_ssl, read_ssl, tty_on, ssl_pending;
910 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
913 int read_buf_len = 0;
914 int fallback_scsv = 0;
916 #ifndef OPENSSL_NO_DTLS
917 int enable_timeouts = 0;
920 #ifndef OPENSSL_NO_ENGINE
921 ENGINE *ssl_client_engine = NULL;
924 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
927 const char *servername = NULL;
928 int noservername = 0;
929 const char *alpn_in = NULL;
930 tlsextctx tlsextcbp = { NULL, 0 };
931 const char *ssl_config = NULL;
932 #define MAX_SI_TYPES 100
933 unsigned short serverinfo_types[MAX_SI_TYPES];
934 int serverinfo_count = 0, start = 0, len;
935 #ifndef OPENSSL_NO_NEXTPROTONEG
936 const char *next_proto_neg_in = NULL;
938 #ifndef OPENSSL_NO_SRP
939 char *srppass = NULL;
940 int srp_lateuser = 0;
941 SRP_ARG srp_arg = { NULL, NULL, 0, 0, 0, 1024 };
943 #ifndef OPENSSL_NO_CT
944 char *ctlog_file = NULL;
945 int ct_validation = 0;
947 int min_version = 0, max_version = 0, prot_opt = 0, no_prot_opt = 0;
949 unsigned int max_send_fragment = 0;
950 unsigned int split_send_fragment = 0, max_pipelines = 0;
951 enum { use_inet, use_unix, use_unknown } connect_type = use_unknown;
953 uint8_t maxfraglen = 0;
954 int c_nbio = 0, c_msg = 0, c_ign_eof = 0, c_brief = 0;
955 int c_tlsextdebug = 0;
956 #ifndef OPENSSL_NO_OCSP
957 int c_status_req = 0;
959 BIO *bio_c_msg = NULL;
960 const char *keylog_file = NULL, *early_data_file = NULL;
961 #ifndef OPENSSL_NO_DTLS
964 char *psksessf = NULL;
969 /* Known false-positive of MemorySanitizer. */
970 #if defined(__has_feature)
971 # if __has_feature(memory_sanitizer)
972 __msan_unpoison(&readfds, sizeof(readfds));
973 __msan_unpoison(&writefds, sizeof(writefds));
977 prog = opt_progname(argv[0]);
982 vpm = X509_VERIFY_PARAM_new();
983 cctx = SSL_CONF_CTX_new();
985 if (vpm == NULL || cctx == NULL) {
986 BIO_printf(bio_err, "%s: out of memory\n", prog);
990 cbuf = app_malloc(BUFSIZZ, "cbuf");
991 sbuf = app_malloc(BUFSIZZ, "sbuf");
992 mbuf = app_malloc(BUFSIZZ, "mbuf");
994 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT | SSL_CONF_FLAG_CMDLINE);
996 prog = opt_init(argc, argv, s_client_options);
997 while ((o = opt_next()) != OPT_EOF) {
998 /* Check for intermixing flags. */
999 if (connect_type == use_unix && IS_INET_FLAG(o)) {
1001 "%s: Intermixed protocol flags (unix and internet domains)\n",
1005 if (connect_type == use_inet && IS_UNIX_FLAG(o)) {
1007 "%s: Intermixed protocol flags (internet and unix domains)\n",
1012 if (IS_PROT_FLAG(o) && ++prot_opt > 1) {
1013 BIO_printf(bio_err, "Cannot supply multiple protocol flags\n");
1016 if (IS_NO_PROT_FLAG(o))
1018 if (prot_opt == 1 && no_prot_opt) {
1020 "Cannot supply both a protocol flag and '-no_<prot>'\n");
1028 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
1031 opt_help(s_client_options);
1035 connect_type = use_inet;
1036 socket_family = AF_INET;
1041 connect_type = use_inet;
1042 socket_family = AF_INET6;
1047 connect_type = use_inet;
1048 freeandcopy(&host, opt_arg());
1051 connect_type = use_inet;
1052 freeandcopy(&port, opt_arg());
1055 connect_type = use_inet;
1056 freeandcopy(&connectstr, opt_arg());
1059 freeandcopy(&bindstr, opt_arg());
1062 proxystr = opt_arg();
1063 starttls_proto = PROTO_CONNECT;
1067 connect_type = use_unix;
1068 socket_family = AF_UNIX;
1069 freeandcopy(&host, opt_arg());
1073 /* fall through, since this is an alias */
1075 protohost = opt_arg();
1078 verify = SSL_VERIFY_PEER;
1079 verify_args.depth = atoi(opt_arg());
1081 BIO_printf(bio_err, "verify depth is %d\n", verify_args.depth);
1084 cert_file = opt_arg();
1087 if (!set_nameopt(opt_arg()))
1091 crl_file = opt_arg();
1093 case OPT_CRL_DOWNLOAD:
1097 sess_out = opt_arg();
1100 sess_in = opt_arg();
1103 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &cert_format))
1107 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
1110 case OPT_VERIFY_RET_ERROR:
1111 verify_args.return_error = 1;
1113 case OPT_VERIFY_QUIET:
1114 verify_args.quiet = 1;
1117 c_brief = verify_args.quiet = c_quiet = 1;
1120 if (ssl_args == NULL)
1121 ssl_args = sk_OPENSSL_STRING_new_null();
1122 if (ssl_args == NULL
1123 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
1124 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
1125 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1130 if (!opt_verify(o, vpm))
1135 if (!args_excert(o, &exc))
1145 c_quiet = c_ign_eof = 1;
1154 e = setup_engine(opt_arg(), 1);
1156 case OPT_SSL_CLIENT_ENGINE:
1157 #ifndef OPENSSL_NO_ENGINE
1158 ssl_client_engine = ENGINE_by_id(opt_arg());
1159 if (ssl_client_engine == NULL) {
1160 BIO_printf(bio_err, "Error getting client auth engine\n");
1172 case OPT_NO_IGN_EOF:
1178 case OPT_TLSEXTDEBUG:
1182 #ifndef OPENSSL_NO_OCSP
1195 bio_c_msg = BIO_new_file(opt_arg(), "w");
1198 #ifndef OPENSSL_NO_SSL_TRACE
1202 case OPT_SECURITY_DEBUG:
1205 case OPT_SECURITY_DEBUG_VERBOSE:
1217 case OPT_PSK_IDENTITY:
1218 psk_identity = opt_arg();
1221 for (p = psk_key = opt_arg(); *p; p++) {
1222 if (isxdigit(_UC(*p)))
1224 BIO_printf(bio_err, "Not a hex number '%s'\n", psk_key);
1229 psksessf = opt_arg();
1231 #ifndef OPENSSL_NO_SRP
1233 srp_arg.srplogin = opt_arg();
1234 if (min_version < TLS1_VERSION)
1235 min_version = TLS1_VERSION;
1238 srppass = opt_arg();
1239 if (min_version < TLS1_VERSION)
1240 min_version = TLS1_VERSION;
1242 case OPT_SRP_STRENGTH:
1243 srp_arg.strength = atoi(opt_arg());
1244 BIO_printf(bio_err, "SRP minimal length for N is %d\n",
1246 if (min_version < TLS1_VERSION)
1247 min_version = TLS1_VERSION;
1249 case OPT_SRP_LATEUSER:
1251 if (min_version < TLS1_VERSION)
1252 min_version = TLS1_VERSION;
1254 case OPT_SRP_MOREGROUPS:
1256 if (min_version < TLS1_VERSION)
1257 min_version = TLS1_VERSION;
1260 case OPT_SSL_CONFIG:
1261 ssl_config = opt_arg();
1264 min_version = SSL3_VERSION;
1265 max_version = SSL3_VERSION;
1268 min_version = TLS1_3_VERSION;
1269 max_version = TLS1_3_VERSION;
1272 min_version = TLS1_2_VERSION;
1273 max_version = TLS1_2_VERSION;
1276 min_version = TLS1_1_VERSION;
1277 max_version = TLS1_1_VERSION;
1280 min_version = TLS1_VERSION;
1281 max_version = TLS1_VERSION;
1284 #ifndef OPENSSL_NO_DTLS
1285 meth = DTLS_client_method();
1286 socket_type = SOCK_DGRAM;
1291 #ifndef OPENSSL_NO_DTLS1
1292 meth = DTLS_client_method();
1293 min_version = DTLS1_VERSION;
1294 max_version = DTLS1_VERSION;
1295 socket_type = SOCK_DGRAM;
1300 #ifndef OPENSSL_NO_DTLS1_2
1301 meth = DTLS_client_method();
1302 min_version = DTLS1_2_VERSION;
1303 max_version = DTLS1_2_VERSION;
1304 socket_type = SOCK_DGRAM;
1309 #ifndef OPENSSL_NO_SCTP
1310 protocol = IPPROTO_SCTP;
1314 #ifndef OPENSSL_NO_DTLS
1315 enable_timeouts = 1;
1319 #ifndef OPENSSL_NO_DTLS
1320 socket_mtu = atol(opt_arg());
1323 case OPT_FALLBACKSCSV:
1327 if (!opt_format(opt_arg(), OPT_FMT_PDE, &key_format))
1331 passarg = opt_arg();
1333 case OPT_CERT_CHAIN:
1334 chain_file = opt_arg();
1337 key_file = opt_arg();
1348 case OPT_CHAINCAPATH:
1349 chCApath = opt_arg();
1351 case OPT_VERIFYCAPATH:
1352 vfyCApath = opt_arg();
1354 case OPT_BUILD_CHAIN:
1358 ReqCAfile = opt_arg();
1366 #ifndef OPENSSL_NO_CT
1373 case OPT_CTLOG_FILE:
1374 ctlog_file = opt_arg();
1377 case OPT_CHAINCAFILE:
1378 chCAfile = opt_arg();
1380 case OPT_VERIFYCAFILE:
1381 vfyCAfile = opt_arg();
1383 case OPT_DANE_TLSA_DOMAIN:
1384 dane_tlsa_domain = opt_arg();
1386 case OPT_DANE_TLSA_RRDATA:
1387 if (dane_tlsa_rrset == NULL)
1388 dane_tlsa_rrset = sk_OPENSSL_STRING_new_null();
1389 if (dane_tlsa_rrset == NULL ||
1390 !sk_OPENSSL_STRING_push(dane_tlsa_rrset, opt_arg())) {
1391 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1395 case OPT_DANE_EE_NO_NAME:
1396 dane_ee_no_name = 1;
1398 case OPT_NEXTPROTONEG:
1399 #ifndef OPENSSL_NO_NEXTPROTONEG
1400 next_proto_neg_in = opt_arg();
1404 alpn_in = opt_arg();
1406 case OPT_SERVERINFO:
1409 for (start = 0, i = 0; i <= len; ++i) {
1410 if (i == len || p[i] == ',') {
1411 serverinfo_types[serverinfo_count] = atoi(p + start);
1412 if (++serverinfo_count == MAX_SI_TYPES)
1419 if (!opt_pair(opt_arg(), services, &starttls_proto))
1422 case OPT_SERVERNAME:
1423 servername = opt_arg();
1425 case OPT_NOSERVERNAME:
1429 srtp_profiles = opt_arg();
1431 case OPT_KEYMATEXPORT:
1432 keymatexportlabel = opt_arg();
1434 case OPT_KEYMATEXPORTLEN:
1435 keymatexportlen = atoi(opt_arg());
1440 case OPT_MAXFRAGLEN:
1441 len = atoi(opt_arg());
1444 maxfraglen = TLSEXT_max_fragment_length_512;
1447 maxfraglen = TLSEXT_max_fragment_length_1024;
1450 maxfraglen = TLSEXT_max_fragment_length_2048;
1453 maxfraglen = TLSEXT_max_fragment_length_4096;
1457 "%s: Max Fragment Len %u is out of permitted values",
1462 case OPT_MAX_SEND_FRAG:
1463 max_send_fragment = atoi(opt_arg());
1465 case OPT_SPLIT_SEND_FRAG:
1466 split_send_fragment = atoi(opt_arg());
1468 case OPT_MAX_PIPELINES:
1469 max_pipelines = atoi(opt_arg());
1472 read_buf_len = atoi(opt_arg());
1474 case OPT_KEYLOG_FILE:
1475 keylog_file = opt_arg();
1477 case OPT_EARLY_DATA:
1478 early_data_file = opt_arg();
1485 if (count4or6 >= 2) {
1486 BIO_printf(bio_err, "%s: Can't use both -4 and -6\n", prog);
1490 if (servername != NULL) {
1492 "%s: Can't use -servername and -noservername together\n",
1496 if (dane_tlsa_domain != NULL) {
1498 "%s: Can't use -dane_tlsa_domain and -noservername together\n",
1503 argc = opt_num_rest();
1505 /* If there's a positional argument, it's the equivalent of
1507 * Don't allow -connect and a separate argument.
1509 if (connectstr != NULL) {
1511 "%s: must not provide both -connect option and target parameter\n",
1515 connect_type = use_inet;
1516 freeandcopy(&connectstr, *opt_rest());
1517 } else if (argc != 0) {
1521 #ifndef OPENSSL_NO_NEXTPROTONEG
1522 if (min_version == TLS1_3_VERSION && next_proto_neg_in != NULL) {
1523 BIO_printf(bio_err, "Cannot supply -nextprotoneg with TLSv1.3\n");
1527 if (proxystr != NULL) {
1529 char *tmp_host = host, *tmp_port = port;
1530 if (connectstr == NULL) {
1531 BIO_printf(bio_err, "%s: -proxy requires use of -connect or target parameter\n", prog);
1534 res = BIO_parse_hostserv(proxystr, &host, &port, BIO_PARSE_PRIO_HOST);
1535 if (tmp_host != host)
1536 OPENSSL_free(tmp_host);
1537 if (tmp_port != port)
1538 OPENSSL_free(tmp_port);
1541 "%s: -proxy argument malformed or ambiguous\n", prog);
1546 char *tmp_host = host, *tmp_port = port;
1547 if (connectstr != NULL)
1548 res = BIO_parse_hostserv(connectstr, &host, &port,
1549 BIO_PARSE_PRIO_HOST);
1550 if (tmp_host != host)
1551 OPENSSL_free(tmp_host);
1552 if (tmp_port != port)
1553 OPENSSL_free(tmp_port);
1556 "%s: -connect argument or target parameter malformed or ambiguous\n",
1562 if (bindstr != NULL) {
1564 res = BIO_parse_hostserv(bindstr, &bindhost, &bindport,
1565 BIO_PARSE_PRIO_HOST);
1568 "%s: -bind argument parameter malformed or ambiguous\n",
1575 if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) {
1577 "Can't use unix sockets and datagrams together\n");
1582 #ifndef OPENSSL_NO_SCTP
1583 if (protocol == IPPROTO_SCTP) {
1584 if (socket_type != SOCK_DGRAM) {
1585 BIO_printf(bio_err, "Can't use -sctp without DTLS\n");
1588 /* SCTP is unusual. It uses DTLS over a SOCK_STREAM protocol */
1589 socket_type = SOCK_STREAM;
1593 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1594 next_proto.status = -1;
1595 if (next_proto_neg_in) {
1597 next_protos_parse(&next_proto.len, next_proto_neg_in);
1598 if (next_proto.data == NULL) {
1599 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n");
1603 next_proto.data = NULL;
1606 if (!app_passwd(passarg, NULL, &pass, NULL)) {
1607 BIO_printf(bio_err, "Error getting password\n");
1611 if (key_file == NULL)
1612 key_file = cert_file;
1614 if (key_file != NULL) {
1615 key = load_key(key_file, key_format, 0, pass, e,
1616 "client certificate private key file");
1618 ERR_print_errors(bio_err);
1623 if (cert_file != NULL) {
1624 cert = load_cert(cert_file, cert_format, "client certificate file");
1626 ERR_print_errors(bio_err);
1631 if (chain_file != NULL) {
1632 if (!load_certs(chain_file, &chain, FORMAT_PEM, NULL,
1633 "client certificate chain"))
1637 if (crl_file != NULL) {
1639 crl = load_crl(crl_file, crl_format);
1641 BIO_puts(bio_err, "Error loading CRL\n");
1642 ERR_print_errors(bio_err);
1645 crls = sk_X509_CRL_new_null();
1646 if (crls == NULL || !sk_X509_CRL_push(crls, crl)) {
1647 BIO_puts(bio_err, "Error adding CRL\n");
1648 ERR_print_errors(bio_err);
1654 if (!load_excert(&exc))
1657 if (bio_c_out == NULL) {
1658 if (c_quiet && !c_debug) {
1659 bio_c_out = BIO_new(BIO_s_null());
1660 if (c_msg && bio_c_msg == NULL)
1661 bio_c_msg = dup_bio_out(FORMAT_TEXT);
1662 } else if (bio_c_out == NULL)
1663 bio_c_out = dup_bio_out(FORMAT_TEXT);
1665 #ifndef OPENSSL_NO_SRP
1666 if (!app_passwd(srppass, NULL, &srp_arg.srppassin, NULL)) {
1667 BIO_printf(bio_err, "Error getting password\n");
1672 ctx = SSL_CTX_new(meth);
1674 ERR_print_errors(bio_err);
1679 ssl_ctx_security_debug(ctx, sdebug);
1681 if (ssl_config != NULL) {
1682 if (SSL_CTX_config(ctx, ssl_config) == 0) {
1683 BIO_printf(bio_err, "Error using configuration \"%s\"\n",
1685 ERR_print_errors(bio_err);
1690 if (SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
1692 if (SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
1695 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
1696 BIO_printf(bio_err, "Error setting verify params\n");
1697 ERR_print_errors(bio_err);
1702 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
1705 if (max_send_fragment > 0
1706 && !SSL_CTX_set_max_send_fragment(ctx, max_send_fragment)) {
1707 BIO_printf(bio_err, "%s: Max send fragment size %u is out of permitted range\n",
1708 prog, max_send_fragment);
1712 if (split_send_fragment > 0
1713 && !SSL_CTX_set_split_send_fragment(ctx, split_send_fragment)) {
1714 BIO_printf(bio_err, "%s: Split send fragment size %u is out of permitted range\n",
1715 prog, split_send_fragment);
1719 if (max_pipelines > 0
1720 && !SSL_CTX_set_max_pipelines(ctx, max_pipelines)) {
1721 BIO_printf(bio_err, "%s: Max pipelines %u is out of permitted range\n",
1722 prog, max_pipelines);
1726 if (read_buf_len > 0) {
1727 SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len);
1731 && !SSL_CTX_set_tlsext_max_fragment_length(ctx, maxfraglen)) {
1733 "%s: Max Fragment Length code %u is out of permitted values"
1734 "\n", prog, maxfraglen);
1738 if (!config_ctx(cctx, ssl_args, ctx))
1741 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1742 crls, crl_download)) {
1743 BIO_printf(bio_err, "Error loading store locations\n");
1744 ERR_print_errors(bio_err);
1747 if (ReqCAfile != NULL) {
1748 STACK_OF(X509_NAME) *nm = sk_X509_NAME_new_null();
1750 if (nm == NULL || !SSL_add_file_cert_subjects_to_stack(nm, ReqCAfile)) {
1751 sk_X509_NAME_pop_free(nm, X509_NAME_free);
1752 BIO_printf(bio_err, "Error loading CA names\n");
1753 ERR_print_errors(bio_err);
1756 SSL_CTX_set0_CA_list(ctx, nm);
1758 #ifndef OPENSSL_NO_ENGINE
1759 if (ssl_client_engine) {
1760 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine)) {
1761 BIO_puts(bio_err, "Error setting client auth engine\n");
1762 ERR_print_errors(bio_err);
1763 ENGINE_free(ssl_client_engine);
1766 ENGINE_free(ssl_client_engine);
1770 #ifndef OPENSSL_NO_PSK
1771 if (psk_key != NULL) {
1773 BIO_printf(bio_c_out, "PSK key given, setting client callback\n");
1774 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
1777 if (psksessf != NULL) {
1778 BIO *stmp = BIO_new_file(psksessf, "r");
1781 BIO_printf(bio_err, "Can't open PSK session file %s\n", psksessf);
1782 ERR_print_errors(bio_err);
1785 psksess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1787 if (psksess == NULL) {
1788 BIO_printf(bio_err, "Can't read PSK session file %s\n", psksessf);
1789 ERR_print_errors(bio_err);
1793 if (psk_key != NULL || psksess != NULL)
1794 SSL_CTX_set_psk_use_session_callback(ctx, psk_use_session_cb);
1796 #ifndef OPENSSL_NO_SRTP
1797 if (srtp_profiles != NULL) {
1798 /* Returns 0 on success! */
1799 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
1800 BIO_printf(bio_err, "Error setting SRTP profile\n");
1801 ERR_print_errors(bio_err);
1808 ssl_ctx_set_excert(ctx, exc);
1810 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1811 if (next_proto.data != NULL)
1812 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
1816 unsigned char *alpn = next_protos_parse(&alpn_len, alpn_in);
1819 BIO_printf(bio_err, "Error parsing -alpn argument\n");
1822 /* Returns 0 on success! */
1823 if (SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len) != 0) {
1824 BIO_printf(bio_err, "Error setting ALPN\n");
1830 for (i = 0; i < serverinfo_count; i++) {
1831 if (!SSL_CTX_add_client_custom_ext(ctx,
1832 serverinfo_types[i],
1834 serverinfo_cli_parse_cb, NULL)) {
1836 "Warning: Unable to add custom extension %u, skipping\n",
1837 serverinfo_types[i]);
1842 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1844 #ifndef OPENSSL_NO_CT
1845 /* Enable SCT processing, without early connection termination */
1846 if (ct_validation &&
1847 !SSL_CTX_enable_ct(ctx, SSL_CT_VALIDATION_PERMISSIVE)) {
1848 ERR_print_errors(bio_err);
1852 if (!ctx_set_ctlog_list_file(ctx, ctlog_file)) {
1853 if (ct_validation) {
1854 ERR_print_errors(bio_err);
1859 * If CT validation is not enabled, the log list isn't needed so don't
1860 * show errors or abort. We try to load it regardless because then we
1861 * can show the names of the logs any SCTs came from (SCTs may be seen
1862 * even with validation disabled).
1868 SSL_CTX_set_verify(ctx, verify, verify_callback);
1870 if (!ctx_set_verify_locations(ctx, CAfile, CApath, noCAfile, noCApath)) {
1871 ERR_print_errors(bio_err);
1875 ssl_ctx_add_crls(ctx, crls, crl_download);
1877 if (!set_cert_key_stuff(ctx, cert, key, chain, build_chain))
1880 if (!noservername) {
1881 tlsextcbp.biodebug = bio_err;
1882 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1883 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1885 # ifndef OPENSSL_NO_SRP
1886 if (srp_arg.srplogin) {
1887 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin)) {
1888 BIO_printf(bio_err, "Unable to set SRP username\n");
1891 srp_arg.msg = c_msg;
1892 srp_arg.debug = c_debug;
1893 SSL_CTX_set_srp_cb_arg(ctx, &srp_arg);
1894 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb);
1895 SSL_CTX_set_srp_strength(ctx, srp_arg.strength);
1896 if (c_msg || c_debug || srp_arg.amp == 0)
1897 SSL_CTX_set_srp_verify_param_callback(ctx,
1898 ssl_srp_verify_param_cb);
1902 if (dane_tlsa_domain != NULL) {
1903 if (SSL_CTX_dane_enable(ctx) <= 0) {
1905 "%s: Error enabling DANE TLSA authentication.\n",
1907 ERR_print_errors(bio_err);
1913 * In TLSv1.3 NewSessionTicket messages arrive after the handshake and can
1914 * come at any time. Therefore we use a callback to write out the session
1915 * when we know about it. This approach works for < TLSv1.3 as well.
1917 if (sess_out != NULL) {
1918 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_CLIENT
1919 | SSL_SESS_CACHE_NO_INTERNAL_STORE);
1920 SSL_CTX_sess_set_new_cb(ctx, new_session_cb);
1923 if (set_keylog_file(ctx, keylog_file))
1931 SSL_force_post_handshake_auth(con);
1933 if (sess_in != NULL) {
1935 BIO *stmp = BIO_new_file(sess_in, "r");
1937 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1938 ERR_print_errors(bio_err);
1941 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1944 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1945 ERR_print_errors(bio_err);
1948 if (!SSL_set_session(con, sess)) {
1949 BIO_printf(bio_err, "Can't set session\n");
1950 ERR_print_errors(bio_err);
1954 SSL_SESSION_free(sess);
1958 SSL_set_mode(con, SSL_MODE_SEND_FALLBACK_SCSV);
1960 if (!noservername && (servername != NULL || dane_tlsa_domain == NULL)) {
1961 if (servername == NULL)
1962 servername = (host == NULL) ? "localhost" : host;
1963 if (!SSL_set_tlsext_host_name(con, servername)) {
1964 BIO_printf(bio_err, "Unable to set TLS servername extension.\n");
1965 ERR_print_errors(bio_err);
1970 if (dane_tlsa_domain != NULL) {
1971 if (SSL_dane_enable(con, dane_tlsa_domain) <= 0) {
1972 BIO_printf(bio_err, "%s: Error enabling DANE TLSA "
1973 "authentication.\n", prog);
1974 ERR_print_errors(bio_err);
1977 if (dane_tlsa_rrset == NULL) {
1978 BIO_printf(bio_err, "%s: DANE TLSA authentication requires at "
1979 "least one -dane_tlsa_rrdata option.\n", prog);
1982 if (tlsa_import_rrset(con, dane_tlsa_rrset) <= 0) {
1983 BIO_printf(bio_err, "%s: Failed to import any TLSA "
1984 "records.\n", prog);
1987 if (dane_ee_no_name)
1988 SSL_dane_set_flags(con, DANE_FLAG_NO_DANE_EE_NAMECHECKS);
1989 } else if (dane_tlsa_rrset != NULL) {
1990 BIO_printf(bio_err, "%s: DANE TLSA authentication requires the "
1991 "-dane_tlsa_domain option.\n", prog);
1996 if (init_client(&s, host, port, bindhost, bindport, socket_family,
1997 socket_type, protocol) == 0) {
1998 BIO_printf(bio_err, "connect:errno=%d\n", get_last_socket_error());
2002 BIO_printf(bio_c_out, "CONNECTED(%08X)\n", s);
2005 if (!BIO_socket_nbio(s, 1)) {
2006 ERR_print_errors(bio_err);
2009 BIO_printf(bio_c_out, "Turned on non blocking io\n");
2011 #ifndef OPENSSL_NO_DTLS
2013 union BIO_sock_info_u peer_info;
2015 #ifndef OPENSSL_NO_SCTP
2016 if (protocol == IPPROTO_SCTP)
2017 sbio = BIO_new_dgram_sctp(s, BIO_NOCLOSE);
2020 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
2022 if ((peer_info.addr = BIO_ADDR_new()) == NULL) {
2023 BIO_printf(bio_err, "memory allocation failure\n");
2027 if (!BIO_sock_info(s, BIO_SOCK_INFO_ADDRESS, &peer_info)) {
2028 BIO_printf(bio_err, "getsockname:errno=%d\n",
2029 get_last_socket_error());
2030 BIO_ADDR_free(peer_info.addr);
2035 (void)BIO_ctrl_set_connected(sbio, peer_info.addr);
2036 BIO_ADDR_free(peer_info.addr);
2037 peer_info.addr = NULL;
2039 if (enable_timeouts) {
2041 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2042 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2045 timeout.tv_usec = DGRAM_SND_TIMEOUT;
2046 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2050 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
2051 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
2052 DTLS_get_link_min_mtu(con));
2056 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2057 if (!DTLS_set_link_mtu(con, socket_mtu)) {
2058 BIO_printf(bio_err, "Failed to set MTU\n");
2063 /* want to do MTU discovery */
2064 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2067 #endif /* OPENSSL_NO_DTLS */
2068 sbio = BIO_new_socket(s, BIO_NOCLOSE);
2073 test = BIO_new(BIO_f_nbio_test());
2074 sbio = BIO_push(test, sbio);
2078 BIO_set_callback(sbio, bio_dump_callback);
2079 BIO_set_callback_arg(sbio, (char *)bio_c_out);
2082 #ifndef OPENSSL_NO_SSL_TRACE
2084 SSL_set_msg_callback(con, SSL_trace);
2087 SSL_set_msg_callback(con, msg_cb);
2088 SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out);
2091 if (c_tlsextdebug) {
2092 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2093 SSL_set_tlsext_debug_arg(con, bio_c_out);
2095 #ifndef OPENSSL_NO_OCSP
2097 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
2098 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
2099 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
2103 SSL_set_bio(con, sbio, sbio);
2104 SSL_set_connect_state(con);
2106 /* ok, lets connect */
2107 if (fileno_stdin() > SSL_get_fd(con))
2108 width = fileno_stdin() + 1;
2110 width = SSL_get_fd(con) + 1;
2123 switch ((PROTOCOL_CHOICE) starttls_proto) {
2130 * This is an ugly hack that does a lot of assumptions. We do
2131 * have to handle multi-line responses which may come in a single
2132 * packet or not. We therefore have to use BIO_gets() which does
2133 * need a buffering BIO. So during the initial chitchat we do
2134 * push a buffering BIO into the chain that is removed again
2135 * later on to not disturb the rest of the s_client operation.
2138 BIO *fbio = BIO_new(BIO_f_buffer());
2140 BIO_push(fbio, sbio);
2141 /* Wait for multi-line response to end from LMTP or SMTP */
2143 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2144 } while (mbuf_len > 3 && mbuf[3] == '-');
2145 if (protohost == NULL)
2146 protohost = "mail.example.com";
2147 if (starttls_proto == (int)PROTO_LMTP)
2148 BIO_printf(fbio, "LHLO %s\r\n", protohost);
2150 BIO_printf(fbio, "EHLO %s\r\n", protohost);
2151 (void)BIO_flush(fbio);
2153 * Wait for multi-line response to end LHLO LMTP or EHLO SMTP
2157 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2158 if (strstr(mbuf, "STARTTLS"))
2160 } while (mbuf_len > 3 && mbuf[3] == '-');
2161 (void)BIO_flush(fbio);
2166 "Didn't find STARTTLS in server response,"
2167 " trying anyway...\n");
2168 BIO_printf(sbio, "STARTTLS\r\n");
2169 BIO_read(sbio, sbuf, BUFSIZZ);
2174 BIO_read(sbio, mbuf, BUFSIZZ);
2175 BIO_printf(sbio, "STLS\r\n");
2176 mbuf_len = BIO_read(sbio, sbuf, BUFSIZZ);
2178 BIO_printf(bio_err, "BIO_read failed\n");
2186 BIO *fbio = BIO_new(BIO_f_buffer());
2188 BIO_push(fbio, sbio);
2189 BIO_gets(fbio, mbuf, BUFSIZZ);
2190 /* STARTTLS command requires CAPABILITY... */
2191 BIO_printf(fbio, ". CAPABILITY\r\n");
2192 (void)BIO_flush(fbio);
2193 /* wait for multi-line CAPABILITY response */
2195 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2196 if (strstr(mbuf, "STARTTLS"))
2199 while (mbuf_len > 3 && mbuf[0] != '.');
2200 (void)BIO_flush(fbio);
2205 "Didn't find STARTTLS in server response,"
2206 " trying anyway...\n");
2207 BIO_printf(sbio, ". STARTTLS\r\n");
2208 BIO_read(sbio, sbuf, BUFSIZZ);
2213 BIO *fbio = BIO_new(BIO_f_buffer());
2215 BIO_push(fbio, sbio);
2216 /* wait for multi-line response to end from FTP */
2218 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2220 while (mbuf_len > 3 && mbuf[3] == '-');
2221 (void)BIO_flush(fbio);
2224 BIO_printf(sbio, "AUTH TLS\r\n");
2225 BIO_read(sbio, sbuf, BUFSIZZ);
2229 case PROTO_XMPP_SERVER:
2232 BIO_printf(sbio, "<stream:stream "
2233 "xmlns:stream='http://etherx.jabber.org/streams' "
2234 "xmlns='jabber:%s' to='%s' version='1.0'>",
2235 starttls_proto == PROTO_XMPP ? "client" : "server",
2236 protohost ? protohost : host);
2237 seen = BIO_read(sbio, mbuf, BUFSIZZ);
2239 BIO_printf(bio_err, "BIO_read failed\n");
2244 (mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")
2246 "<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\""))
2248 seen = BIO_read(sbio, mbuf, BUFSIZZ);
2256 "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
2257 seen = BIO_read(sbio, sbuf, BUFSIZZ);
2259 BIO_printf(bio_err, "BIO_read failed\n");
2263 if (!strstr(sbuf, "<proceed"))
2270 static const unsigned char tls_do[] = {
2271 /* IAC DO START_TLS */
2274 static const unsigned char tls_will[] = {
2275 /* IAC WILL START_TLS */
2278 static const unsigned char tls_follows[] = {
2279 /* IAC SB START_TLS FOLLOWS IAC SE */
2280 255, 250, 46, 1, 255, 240
2284 /* Telnet server should demand we issue START_TLS */
2285 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
2286 if (bytes != 3 || memcmp(mbuf, tls_do, 3) != 0)
2288 /* Agree to issue START_TLS and send the FOLLOWS sub-command */
2289 BIO_write(sbio, tls_will, 3);
2290 BIO_write(sbio, tls_follows, 6);
2291 (void)BIO_flush(sbio);
2292 /* Telnet server also sent the FOLLOWS sub-command */
2293 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
2294 if (bytes != 6 || memcmp(mbuf, tls_follows, 6) != 0)
2301 error_proto, /* Wrong protocol, not even HTTP */
2302 error_connect, /* CONNECT failed */
2304 } foundit = error_connect;
2305 BIO *fbio = BIO_new(BIO_f_buffer());
2307 BIO_push(fbio, sbio);
2308 BIO_printf(fbio, "CONNECT %s HTTP/1.0\r\n\r\n", connectstr);
2309 (void)BIO_flush(fbio);
2311 * The first line is the HTTP response. According to RFC 7230,
2312 * it's formated exactly like this:
2314 * HTTP/d.d ddd Reason text\r\n
2316 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2317 if (mbuf_len < (int)strlen("HTTP/1.0 200")) {
2319 "%s: HTTP CONNECT failed, insufficient response "
2320 "from proxy (got %d octets)\n", prog, mbuf_len);
2321 (void)BIO_flush(fbio);
2326 if (mbuf[8] != ' ') {
2328 "%s: HTTP CONNECT failed, incorrect response "
2329 "from proxy\n", prog);
2330 foundit = error_proto;
2331 } else if (mbuf[9] != '2') {
2332 BIO_printf(bio_err, "%s: HTTP CONNECT failed: %s ", prog,
2337 if (foundit != error_proto) {
2338 /* Read past all following headers */
2340 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2341 } while (mbuf_len > 2);
2343 (void)BIO_flush(fbio);
2346 if (foundit != success) {
2354 BIO *fbio = BIO_new(BIO_f_buffer());
2356 BIO_push(fbio, sbio);
2357 BIO_printf(fbio, "STARTTLS\r\n");
2358 (void)BIO_flush(fbio);
2359 width = SSL_get_fd(con) + 1;
2365 openssl_fdset(SSL_get_fd(con), &readfds);
2366 timeout.tv_sec = S_CLIENT_IRC_READ_TIMEOUT;
2367 timeout.tv_usec = 0;
2369 * If the IRCd doesn't respond within
2370 * S_CLIENT_IRC_READ_TIMEOUT seconds, assume
2371 * it doesn't support STARTTLS. Many IRCds
2372 * will not give _any_ sort of response to a
2373 * STARTTLS command when it's not supported.
2375 if (!BIO_get_buffer_num_lines(fbio)
2376 && !BIO_pending(fbio)
2377 && !BIO_pending(sbio)
2378 && select(width, (void *)&readfds, NULL, NULL,
2381 "Timeout waiting for response (%d seconds).\n",
2382 S_CLIENT_IRC_READ_TIMEOUT);
2386 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2387 if (mbuf_len < 1 || sscanf(mbuf, "%*s %d", &numeric) != 1)
2389 /* :example.net 451 STARTTLS :You have not registered */
2390 /* :example.net 421 STARTTLS :Unknown command */
2391 if ((numeric == 451 || numeric == 421)
2392 && strstr(mbuf, "STARTTLS") != NULL) {
2393 BIO_printf(bio_err, "STARTTLS not supported: %s", mbuf);
2396 if (numeric == 691) {
2397 BIO_printf(bio_err, "STARTTLS negotiation failed: ");
2398 ERR_print_errors(bio_err);
2401 } while (numeric != 670);
2403 (void)BIO_flush(fbio);
2406 if (numeric != 670) {
2407 BIO_printf(bio_err, "Server does not support STARTTLS.\n");
2415 /* SSL request packet */
2416 static const unsigned char ssl_req[] = {
2417 /* payload_length, sequence_id */
2418 0x20, 0x00, 0x00, 0x01,
2420 /* capability flags, CLIENT_SSL always set */
2421 0x85, 0xae, 0x7f, 0x00,
2422 /* max-packet size */
2423 0x00, 0x00, 0x00, 0x01,
2426 /* string[23] reserved (all [0]) */
2427 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
2428 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
2429 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
2432 int ssl_flg = 0x800;
2434 const unsigned char *packet = (const unsigned char *)sbuf;
2436 /* Receiving Initial Handshake packet. */
2437 bytes = BIO_read(sbio, (void *)packet, BUFSIZZ);
2439 BIO_printf(bio_err, "BIO_read failed\n");
2441 /* Packet length[3], Packet number[1] + minimum payload[17] */
2442 } else if (bytes < 21) {
2443 BIO_printf(bio_err, "MySQL packet too short.\n");
2445 } else if (bytes != (4 + packet[0] +
2447 (packet[2] << 16))) {
2448 BIO_printf(bio_err, "MySQL packet length does not match.\n");
2450 /* protocol version[1] */
2451 } else if (packet[4] != 0xA) {
2453 "Only MySQL protocol version 10 is supported.\n");
2458 /* server version[string+NULL] */
2461 BIO_printf(bio_err, "Cannot confirm server version. ");
2463 } else if (packet[pos++] == '\0') {
2468 /* make sure we have at least 15 bytes left in the packet */
2469 if (pos + 15 > bytes) {
2471 "MySQL server handshake packet is broken.\n");
2475 pos += 12; /* skip over conn id[4] + SALT[8] */
2476 if (packet[pos++] != '\0') { /* verify filler */
2478 "MySQL packet is broken.\n");
2482 /* capability flags[2] */
2483 if (!((packet[pos] + (packet[pos + 1] << 8)) & ssl_flg)) {
2484 BIO_printf(bio_err, "MySQL server does not support SSL.\n");
2488 /* Sending SSL Handshake packet. */
2489 BIO_write(sbio, ssl_req, sizeof(ssl_req));
2490 (void)BIO_flush(sbio);
2493 case PROTO_POSTGRES:
2495 static const unsigned char ssl_request[] = {
2496 /* Length SSLRequest */
2497 0, 0, 0, 8, 4, 210, 22, 47
2501 /* Send SSLRequest packet */
2502 BIO_write(sbio, ssl_request, 8);
2503 (void)BIO_flush(sbio);
2505 /* Reply will be a single S if SSL is enabled */
2506 bytes = BIO_read(sbio, sbuf, BUFSIZZ);
2507 if (bytes != 1 || sbuf[0] != 'S')
2514 BIO *fbio = BIO_new(BIO_f_buffer());
2516 BIO_push(fbio, sbio);
2517 BIO_gets(fbio, mbuf, BUFSIZZ);
2518 /* STARTTLS command requires CAPABILITIES... */
2519 BIO_printf(fbio, "CAPABILITIES\r\n");
2520 (void)BIO_flush(fbio);
2521 /* wait for multi-line CAPABILITIES response */
2523 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2524 if (strstr(mbuf, "STARTTLS"))
2526 } while (mbuf_len > 1 && mbuf[0] != '.');
2527 (void)BIO_flush(fbio);
2532 "Didn't find STARTTLS in server response,"
2533 " trying anyway...\n");
2534 BIO_printf(sbio, "STARTTLS\r\n");
2535 mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ);
2537 BIO_printf(bio_err, "BIO_read failed\n");
2540 mbuf[mbuf_len] = '\0';
2541 if (strstr(mbuf, "382") == NULL) {
2542 BIO_printf(bio_err, "STARTTLS failed: %s", mbuf);
2550 BIO *fbio = BIO_new(BIO_f_buffer());
2552 BIO_push(fbio, sbio);
2553 /* wait for multi-line response to end from Sieve */
2555 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2557 * According to RFC 5804 § 1.7, capability
2558 * is case-insensitive, make it uppercase
2560 if (mbuf_len > 1 && mbuf[0] == '"') {
2561 make_uppercase(mbuf);
2562 if (strncmp(mbuf, "\"STARTTLS\"", 10) == 0)
2565 } while (mbuf_len > 1 && mbuf[0] == '"');
2566 (void)BIO_flush(fbio);
2571 "Didn't find STARTTLS in server response,"
2572 " trying anyway...\n");
2573 BIO_printf(sbio, "STARTTLS\r\n");
2574 mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ);
2576 BIO_printf(bio_err, "BIO_read failed\n");
2579 mbuf[mbuf_len] = '\0';
2581 BIO_printf(bio_err, "STARTTLS failed: %s", mbuf);
2585 * According to RFC 5804 § 2.2, response codes are case-
2586 * insensitive, make it uppercase but preserve the response.
2588 strncpy(sbuf, mbuf, 2);
2589 make_uppercase(sbuf);
2590 if (strncmp(sbuf, "OK", 2) != 0) {
2591 BIO_printf(bio_err, "STARTTLS not supported: %s", mbuf);
2598 /* StartTLS Operation according to RFC 4511 */
2599 static char ldap_tls_genconf[] = "asn1=SEQUENCE:LDAPMessage\n"
2601 "messageID=INTEGER:1\n"
2602 "extendedReq=EXPLICIT:23A,IMPLICIT:0C,"
2603 "FORMAT:ASCII,OCT:1.3.6.1.4.1.1466.20037\n";
2605 char *genstr = NULL;
2607 ASN1_TYPE *atyp = NULL;
2608 BIO *ldapbio = BIO_new(BIO_s_mem());
2609 CONF *cnf = NCONF_new(NULL);
2615 BIO_puts(ldapbio, ldap_tls_genconf);
2616 if (NCONF_load_bio(cnf, ldapbio, &errline) <= 0) {
2620 BIO_printf(bio_err, "NCONF_load_bio failed\n");
2623 BIO_printf(bio_err, "Error on line %ld\n", errline);
2628 genstr = NCONF_get_string(cnf, "default", "asn1");
2629 if (genstr == NULL) {
2631 BIO_printf(bio_err, "NCONF_get_string failed\n");
2634 atyp = ASN1_generate_nconf(genstr, cnf);
2637 BIO_printf(bio_err, "ASN1_generate_nconf failed\n");
2642 /* Send SSLRequest packet */
2643 BIO_write(sbio, atyp->value.sequence->data,
2644 atyp->value.sequence->length);
2645 (void)BIO_flush(sbio);
2646 ASN1_TYPE_free(atyp);
2648 mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ);
2650 BIO_printf(bio_err, "BIO_read failed\n");
2653 result = ldap_ExtendedResponse_parse(mbuf, mbuf_len);
2655 BIO_printf(bio_err, "ldap_ExtendedResponse_parse failed\n");
2657 } else if (result > 0) {
2658 BIO_printf(bio_err, "STARTTLS failed, LDAP Result Code: %i\n",
2667 if (early_data_file != NULL
2668 && ((SSL_get0_session(con) != NULL
2669 && SSL_SESSION_get_max_early_data(SSL_get0_session(con)) > 0)
2671 && SSL_SESSION_get_max_early_data(psksess) > 0))) {
2672 BIO *edfile = BIO_new_file(early_data_file, "r");
2673 size_t readbytes, writtenbytes;
2676 if (edfile == NULL) {
2677 BIO_printf(bio_err, "Cannot open early data file\n");
2682 if (!BIO_read_ex(edfile, cbuf, BUFSIZZ, &readbytes))
2685 while (!SSL_write_early_data(con, cbuf, readbytes, &writtenbytes)) {
2686 switch (SSL_get_error(con, 0)) {
2687 case SSL_ERROR_WANT_WRITE:
2688 case SSL_ERROR_WANT_ASYNC:
2689 case SSL_ERROR_WANT_READ:
2690 /* Just keep trying - busy waiting */
2693 BIO_printf(bio_err, "Error writing early data\n");
2695 ERR_print_errors(bio_err);
2708 if ((SSL_version(con) == DTLS1_VERSION) &&
2709 DTLSv1_get_timeout(con, &timeout))
2710 timeoutp = &timeout;
2714 if (!SSL_is_init_finished(con) && SSL_total_renegotiations(con) == 0
2715 && SSL_get_key_update_type(con) == SSL_KEY_UPDATE_NONE) {
2724 BIO_puts(bio_err, "CONNECTION ESTABLISHED\n");
2725 print_ssl_summary(con);
2728 print_stuff(bio_c_out, con, full_log);
2732 if (starttls_proto) {
2733 BIO_write(bio_err, mbuf, mbuf_len);
2734 /* We don't need to know any more */
2736 starttls_proto = PROTO_OFF;
2741 BIO_printf(bio_c_out,
2742 "drop connection and then reconnect\n");
2743 do_ssl_shutdown(con);
2744 SSL_set_connect_state(con);
2745 BIO_closesocket(SSL_get_fd(con));
2751 ssl_pending = read_ssl && SSL_has_pending(con);
2754 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
2757 * Note that select() returns when read _would not block_,
2758 * and EOF satisfies that. To avoid a CPU-hogging loop,
2759 * set the flag so we exit.
2761 if (read_tty && !at_eof)
2762 openssl_fdset(fileno_stdin(), &readfds);
2763 #if !defined(OPENSSL_SYS_VMS)
2765 openssl_fdset(fileno_stdout(), &writefds);
2769 openssl_fdset(SSL_get_fd(con), &readfds);
2771 openssl_fdset(SSL_get_fd(con), &writefds);
2773 if (!tty_on || !write_tty) {
2775 openssl_fdset(SSL_get_fd(con), &readfds);
2777 openssl_fdset(SSL_get_fd(con), &writefds);
2782 * Note: under VMS with SOCKETSHR the second parameter is
2783 * currently of type (int *) whereas under other systems it is
2784 * (void *) if you don't have a cast it will choke the compiler:
2785 * if you do have a cast then you can either go for (int *) or
2788 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2790 * Under Windows/DOS we make the assumption that we can always
2791 * write to the tty: therefore if we need to write to the tty we
2792 * just fall through. Otherwise we timeout the select every
2793 * second and see if there are any keypresses. Note: this is a
2794 * hack, in a proper Windows application we wouldn't do this.
2801 i = select(width, (void *)&readfds, (void *)&writefds,
2803 if (!i && (!has_stdin_waiting() || !read_tty))
2806 i = select(width, (void *)&readfds, (void *)&writefds,
2810 i = select(width, (void *)&readfds, (void *)&writefds,
2814 BIO_printf(bio_err, "bad select %d\n",
2815 get_last_socket_error());
2820 if ((SSL_version(con) == DTLS1_VERSION)
2821 && DTLSv1_handle_timeout(con) > 0) {
2822 BIO_printf(bio_err, "TIMEOUT occurred\n");
2825 if (!ssl_pending && FD_ISSET(SSL_get_fd(con), &writefds)) {
2826 k = SSL_write(con, &(cbuf[cbuf_off]), (unsigned int)cbuf_len);
2827 switch (SSL_get_error(con, k)) {
2828 case SSL_ERROR_NONE:
2833 /* we have done a write(con,NULL,0); */
2834 if (cbuf_len <= 0) {
2837 } else { /* if (cbuf_len > 0) */
2843 case SSL_ERROR_WANT_WRITE:
2844 BIO_printf(bio_c_out, "write W BLOCK\n");
2848 case SSL_ERROR_WANT_ASYNC:
2849 BIO_printf(bio_c_out, "write A BLOCK\n");
2850 wait_for_async(con);
2854 case SSL_ERROR_WANT_READ:
2855 BIO_printf(bio_c_out, "write R BLOCK\n");
2860 case SSL_ERROR_WANT_X509_LOOKUP:
2861 BIO_printf(bio_c_out, "write X BLOCK\n");
2863 case SSL_ERROR_ZERO_RETURN:
2864 if (cbuf_len != 0) {
2865 BIO_printf(bio_c_out, "shutdown\n");
2874 case SSL_ERROR_SYSCALL:
2875 if ((k != 0) || (cbuf_len != 0)) {
2876 BIO_printf(bio_err, "write:errno=%d\n",
2877 get_last_socket_error());
2884 case SSL_ERROR_WANT_ASYNC_JOB:
2885 /* This shouldn't ever happen in s_client - treat as an error */
2887 ERR_print_errors(bio_err);
2891 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_VMS)
2892 /* Assume Windows/DOS/BeOS can always write */
2893 else if (!ssl_pending && write_tty)
2895 else if (!ssl_pending && FD_ISSET(fileno_stdout(), &writefds))
2898 #ifdef CHARSET_EBCDIC
2899 ascii2ebcdic(&(sbuf[sbuf_off]), &(sbuf[sbuf_off]), sbuf_len);
2901 i = raw_write_stdout(&(sbuf[sbuf_off]), sbuf_len);
2904 BIO_printf(bio_c_out, "DONE\n");
2911 if (sbuf_len <= 0) {
2915 } else if (ssl_pending || FD_ISSET(SSL_get_fd(con), &readfds)) {
2920 SSL_renegotiate(con);
2925 k = SSL_read(con, sbuf, 1024 /* BUFSIZZ */ );
2927 switch (SSL_get_error(con, k)) {
2928 case SSL_ERROR_NONE:
2937 case SSL_ERROR_WANT_ASYNC:
2938 BIO_printf(bio_c_out, "read A BLOCK\n");
2939 wait_for_async(con);
2942 if ((read_tty == 0) && (write_ssl == 0))
2945 case SSL_ERROR_WANT_WRITE:
2946 BIO_printf(bio_c_out, "read W BLOCK\n");
2950 case SSL_ERROR_WANT_READ:
2951 BIO_printf(bio_c_out, "read R BLOCK\n");
2954 if ((read_tty == 0) && (write_ssl == 0))
2957 case SSL_ERROR_WANT_X509_LOOKUP:
2958 BIO_printf(bio_c_out, "read X BLOCK\n");
2960 case SSL_ERROR_SYSCALL:
2961 ret = get_last_socket_error();
2963 BIO_puts(bio_err, "CONNECTION CLOSED BY SERVER\n");
2965 BIO_printf(bio_err, "read:errno=%d\n", ret);
2967 case SSL_ERROR_ZERO_RETURN:
2968 BIO_printf(bio_c_out, "closed\n");
2971 case SSL_ERROR_WANT_ASYNC_JOB:
2972 /* This shouldn't ever happen in s_client. Treat as an error */
2974 ERR_print_errors(bio_err);
2978 /* OPENSSL_SYS_MSDOS includes OPENSSL_SYS_WINDOWS */
2979 #if defined(OPENSSL_SYS_MSDOS)
2980 else if (has_stdin_waiting())
2982 else if (FD_ISSET(fileno_stdin(), &readfds))
2988 i = raw_read_stdin(cbuf, BUFSIZZ / 2);
2990 /* both loops are skipped when i <= 0 */
2991 for (j = 0; j < i; j++)
2992 if (cbuf[j] == '\n')
2994 for (j = i - 1; j >= 0; j--) {
2995 cbuf[j + lf_num] = cbuf[j];
2996 if (cbuf[j] == '\n') {
2999 cbuf[j + lf_num] = '\r';
3002 assert(lf_num == 0);
3004 i = raw_read_stdin(cbuf, BUFSIZZ);
3005 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
3010 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q' && cmdletters))) {
3011 BIO_printf(bio_err, "DONE\n");
3016 if ((!c_ign_eof) && (cbuf[0] == 'R' && cmdletters)) {
3017 BIO_printf(bio_err, "RENEGOTIATING\n");
3018 SSL_renegotiate(con);
3022 if (!c_ign_eof && (cbuf[0] == 'K' || cbuf[0] == 'k' )
3024 BIO_printf(bio_err, "KEYUPDATE\n");
3026 cbuf[0] == 'K' ? SSL_KEY_UPDATE_REQUESTED
3027 : SSL_KEY_UPDATE_NOT_REQUESTED);
3030 #ifndef OPENSSL_NO_HEARTBEATS
3031 else if ((!c_ign_eof) && (cbuf[0] == 'B' && cmdletters)) {
3032 BIO_printf(bio_err, "HEARTBEATING\n");
3040 #ifdef CHARSET_EBCDIC
3041 ebcdic2ascii(cbuf, cbuf, i);
3053 print_stuff(bio_c_out, con, full_log);
3054 do_ssl_shutdown(con);
3057 * Give the socket time to send its last data before we close it.
3058 * No amount of setting SO_LINGER etc on the socket seems to persuade
3059 * Windows to send the data before closing the socket...but sleeping
3060 * for a short time seems to do it (units in ms)
3061 * TODO: Find a better way to do this
3063 #if defined(OPENSSL_SYS_WINDOWS)
3065 #elif defined(OPENSSL_SYS_CYGWIN)
3070 * If we ended with an alert being sent, but still with data in the
3071 * network buffer to be read, then calling BIO_closesocket() will
3072 * result in a TCP-RST being sent. On some platforms (notably
3073 * Windows) then this will result in the peer immediately abandoning
3074 * the connection including any buffered alert data before it has
3075 * had a chance to be read. Shutting down the sending side first,
3076 * and then closing the socket sends TCP-FIN first followed by
3077 * TCP-RST. This seems to allow the peer to read the alert data.
3079 shutdown(SSL_get_fd(con), 1); /* SHUT_WR */
3080 BIO_closesocket(SSL_get_fd(con));
3084 print_stuff(bio_c_out, con, 1);
3087 SSL_SESSION_free(psksess);
3088 #if !defined(OPENSSL_NO_NEXTPROTONEG)
3089 OPENSSL_free(next_proto.data);
3092 set_keylog_file(NULL, NULL);
3094 sk_X509_CRL_pop_free(crls, X509_CRL_free);
3096 sk_X509_pop_free(chain, X509_free);
3098 #ifndef OPENSSL_NO_SRP
3099 OPENSSL_free(srp_arg.srppassin);
3101 OPENSSL_free(connectstr);
3102 OPENSSL_free(bindstr);
3105 X509_VERIFY_PARAM_free(vpm);
3106 ssl_excert_free(exc);
3107 sk_OPENSSL_STRING_free(ssl_args);
3108 sk_OPENSSL_STRING_free(dane_tlsa_rrset);
3109 SSL_CONF_CTX_free(cctx);
3110 OPENSSL_clear_free(cbuf, BUFSIZZ);
3111 OPENSSL_clear_free(sbuf, BUFSIZZ);
3112 OPENSSL_clear_free(mbuf, BUFSIZZ);
3114 BIO_free(bio_c_out);
3116 BIO_free(bio_c_msg);
3121 static void print_stuff(BIO *bio, SSL *s, int full)
3125 const SSL_CIPHER *c;
3127 #ifndef OPENSSL_NO_COMP
3128 const COMP_METHOD *comp, *expansion;
3130 unsigned char *exportedkeymat;
3131 #ifndef OPENSSL_NO_CT
3132 const SSL_CTX *ctx = SSL_get_SSL_CTX(s);
3136 int got_a_chain = 0;
3138 sk = SSL_get_peer_cert_chain(s);
3142 BIO_printf(bio, "---\nCertificate chain\n");
3143 for (i = 0; i < sk_X509_num(sk); i++) {
3144 BIO_printf(bio, "%2d s:", i);
3145 X509_NAME_print_ex(bio, X509_get_subject_name(sk_X509_value(sk, i)), 0, get_nameopt());
3146 BIO_puts(bio, "\n");
3147 BIO_printf(bio, " i:");
3148 X509_NAME_print_ex(bio, X509_get_issuer_name(sk_X509_value(sk, i)), 0, get_nameopt());
3149 BIO_puts(bio, "\n");
3151 PEM_write_bio_X509(bio, sk_X509_value(sk, i));
3155 BIO_printf(bio, "---\n");
3156 peer = SSL_get_peer_certificate(s);
3158 BIO_printf(bio, "Server certificate\n");
3160 /* Redundant if we showed the whole chain */
3161 if (!(c_showcerts && got_a_chain))
3162 PEM_write_bio_X509(bio, peer);
3163 dump_cert_text(bio, peer);
3165 BIO_printf(bio, "no peer certificate available\n");
3167 print_ca_names(bio, s);
3169 ssl_print_sigalgs(bio, s);
3170 ssl_print_tmp_key(bio, s);
3172 #ifndef OPENSSL_NO_CT
3174 * When the SSL session is anonymous, or resumed via an abbreviated
3175 * handshake, no SCTs are provided as part of the handshake. While in
3176 * a resumed session SCTs may be present in the session's certificate,
3177 * no callbacks are invoked to revalidate these, and in any case that
3178 * set of SCTs may be incomplete. Thus it makes little sense to
3179 * attempt to display SCTs from a resumed session's certificate, and of
3180 * course none are associated with an anonymous peer.
3182 if (peer != NULL && !SSL_session_reused(s) && SSL_ct_is_enabled(s)) {
3183 const STACK_OF(SCT) *scts = SSL_get0_peer_scts(s);
3184 int sct_count = scts != NULL ? sk_SCT_num(scts) : 0;
3186 BIO_printf(bio, "---\nSCTs present (%i)\n", sct_count);
3187 if (sct_count > 0) {
3188 const CTLOG_STORE *log_store = SSL_CTX_get0_ctlog_store(ctx);
3190 BIO_printf(bio, "---\n");
3191 for (i = 0; i < sct_count; ++i) {
3192 SCT *sct = sk_SCT_value(scts, i);
3194 BIO_printf(bio, "SCT validation status: %s\n",
3195 SCT_validation_status_string(sct));
3196 SCT_print(sct, bio, 0, log_store);
3197 if (i < sct_count - 1)
3198 BIO_printf(bio, "\n---\n");
3200 BIO_printf(bio, "\n");
3206 "---\nSSL handshake has read %ju bytes "
3207 "and written %ju bytes\n",
3208 BIO_number_read(SSL_get_rbio(s)),
3209 BIO_number_written(SSL_get_wbio(s)));
3211 print_verify_detail(s, bio);
3212 BIO_printf(bio, (SSL_session_reused(s) ? "---\nReused, " : "---\nNew, "));
3213 c = SSL_get_current_cipher(s);
3214 BIO_printf(bio, "%s, Cipher is %s\n",
3215 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
3219 pktmp = X509_get0_pubkey(peer);
3220 BIO_printf(bio, "Server public key is %d bit\n",
3221 EVP_PKEY_bits(pktmp));
3223 BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
3224 SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
3225 #ifndef OPENSSL_NO_COMP
3226 comp = SSL_get_current_compression(s);
3227 expansion = SSL_get_current_expansion(s);
3228 BIO_printf(bio, "Compression: %s\n",
3229 comp ? SSL_COMP_get_name(comp) : "NONE");
3230 BIO_printf(bio, "Expansion: %s\n",
3231 expansion ? SSL_COMP_get_name(expansion) : "NONE");
3236 /* Print out local port of connection: useful for debugging */
3238 union BIO_sock_info_u info;
3240 sock = SSL_get_fd(s);
3241 if ((info.addr = BIO_ADDR_new()) != NULL
3242 && BIO_sock_info(sock, BIO_SOCK_INFO_ADDRESS, &info)) {
3243 BIO_printf(bio_c_out, "LOCAL PORT is %u\n",
3244 ntohs(BIO_ADDR_rawport(info.addr)));
3246 BIO_ADDR_free(info.addr);
3250 #if !defined(OPENSSL_NO_NEXTPROTONEG)
3251 if (next_proto.status != -1) {
3252 const unsigned char *proto;
3253 unsigned int proto_len;
3254 SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
3255 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
3256 BIO_write(bio, proto, proto_len);
3257 BIO_write(bio, "\n", 1);
3261 const unsigned char *proto;
3262 unsigned int proto_len;
3263 SSL_get0_alpn_selected(s, &proto, &proto_len);
3264 if (proto_len > 0) {
3265 BIO_printf(bio, "ALPN protocol: ");
3266 BIO_write(bio, proto, proto_len);
3267 BIO_write(bio, "\n", 1);
3269 BIO_printf(bio, "No ALPN negotiated\n");
3272 #ifndef OPENSSL_NO_SRTP
3274 SRTP_PROTECTION_PROFILE *srtp_profile =
3275 SSL_get_selected_srtp_profile(s);
3278 BIO_printf(bio, "SRTP Extension negotiated, profile=%s\n",
3279 srtp_profile->name);
3283 if (SSL_version(s) == TLS1_3_VERSION) {
3284 switch (SSL_get_early_data_status(s)) {
3285 case SSL_EARLY_DATA_NOT_SENT:
3286 BIO_printf(bio, "Early data was not sent\n");
3289 case SSL_EARLY_DATA_REJECTED:
3290 BIO_printf(bio, "Early data was rejected\n");
3293 case SSL_EARLY_DATA_ACCEPTED:
3294 BIO_printf(bio, "Early data was accepted\n");
3300 SSL_SESSION_print(bio, SSL_get_session(s));
3301 if (SSL_get_session(s) != NULL && keymatexportlabel != NULL) {
3302 BIO_printf(bio, "Keying material exporter:\n");
3303 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel);
3304 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen);
3305 exportedkeymat = app_malloc(keymatexportlen, "export key");
3306 if (!SSL_export_keying_material(s, exportedkeymat,
3309 strlen(keymatexportlabel),
3311 BIO_printf(bio, " Error\n");
3313 BIO_printf(bio, " Keying material: ");
3314 for (i = 0; i < keymatexportlen; i++)
3315 BIO_printf(bio, "%02X", exportedkeymat[i]);
3316 BIO_printf(bio, "\n");
3318 OPENSSL_free(exportedkeymat);
3320 BIO_printf(bio, "---\n");
3322 /* flush, or debugging output gets mixed with http response */
3323 (void)BIO_flush(bio);
3326 # ifndef OPENSSL_NO_OCSP
3327 static int ocsp_resp_cb(SSL *s, void *arg)
3329 const unsigned char *p;
3332 len = SSL_get_tlsext_status_ocsp_resp(s, &p);
3333 BIO_puts(arg, "OCSP response: ");
3335 BIO_puts(arg, "no response sent\n");
3338 rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
3340 BIO_puts(arg, "response parse error\n");
3341 BIO_dump_indent(arg, (char *)p, len, 4);
3344 BIO_puts(arg, "\n======================================\n");
3345 OCSP_RESPONSE_print(arg, rsp, 0);
3346 BIO_puts(arg, "======================================\n");
3347 OCSP_RESPONSE_free(rsp);
3352 static int ldap_ExtendedResponse_parse(const char *buf, long rem)
3354 const unsigned char *cur, *end;
3356 int tag, xclass, inf, ret = -1;
3358 cur = (const unsigned char *)buf;
3364 * LDAPMessage ::= SEQUENCE {
3365 * messageID MessageID,
3366 * protocolOp CHOICE {
3368 * extendedResp ExtendedResponse,
3370 * controls [0] Controls OPTIONAL }
3372 * ExtendedResponse ::= [APPLICATION 24] SEQUENCE {
3373 * COMPONENTS OF LDAPResult,
3374 * responseName [10] LDAPOID OPTIONAL,
3375 * responseValue [11] OCTET STRING OPTIONAL }
3377 * LDAPResult ::= SEQUENCE {
3378 * resultCode ENUMERATED {
3384 * diagnosticMessage LDAPString,
3385 * referral [3] Referral OPTIONAL }
3389 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3390 if (inf != V_ASN1_CONSTRUCTED || tag != V_ASN1_SEQUENCE ||
3391 (rem = end - cur, len > rem)) {
3392 BIO_printf(bio_err, "Unexpected LDAP response\n");
3396 rem = len; /* ensure that we don't overstep the SEQUENCE */
3398 /* pull MessageID */
3399 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3400 if (inf != V_ASN1_UNIVERSAL || tag != V_ASN1_INTEGER ||
3401 (rem = end - cur, len > rem)) {
3402 BIO_printf(bio_err, "No MessageID\n");
3406 cur += len; /* shall we check for MessageId match or just skip? */
3408 /* pull [APPLICATION 24] */
3410 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3411 if (inf != V_ASN1_CONSTRUCTED || xclass != V_ASN1_APPLICATION ||
3413 BIO_printf(bio_err, "Not ExtendedResponse\n");
3417 /* pull resultCode */
3419 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3420 if (inf != V_ASN1_UNIVERSAL || tag != V_ASN1_ENUMERATED || len == 0 ||
3421 (rem = end - cur, len > rem)) {
3422 BIO_printf(bio_err, "Not LDAPResult\n");
3426 /* len should always be one, but just in case... */
3427 for (ret = 0, inf = 0; inf < len; inf++) {
3431 /* There is more data, but we don't care... */
3436 #endif /* OPENSSL_NO_SOCK */