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 /* We default to SHA-256 */
201 cipher = SSL_CIPHER_find(s, tls13_aes128gcmsha256_id);
202 if (cipher == NULL) {
203 BIO_printf(bio_err, "Error finding suitable ciphersuite\n");
207 usesess = SSL_SESSION_new();
209 || !SSL_SESSION_set1_master_key(usesess, key, key_len)
210 || !SSL_SESSION_set_cipher(usesess, cipher)
211 || !SSL_SESSION_set_protocol_version(usesess, TLS1_3_VERSION)) {
218 cipher = SSL_SESSION_get0_cipher(usesess);
222 if (md != NULL && SSL_CIPHER_get_handshake_digest(cipher) != md) {
223 /* PSK not usable, ignore it */
227 SSL_SESSION_free(usesess);
230 *id = (unsigned char *)psk_identity;
231 *idlen = strlen(psk_identity);
237 SSL_SESSION_free(usesess);
241 /* This is a context that we pass to callbacks */
242 typedef struct tlsextctx_st {
247 static int ssl_servername_cb(SSL *s, int *ad, void *arg)
249 tlsextctx *p = (tlsextctx *) arg;
250 const char *hn = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
251 if (SSL_get_servername_type(s) != -1)
252 p->ack = !SSL_session_reused(s) && hn != NULL;
254 BIO_printf(bio_err, "Can't use SSL_get_servername\n");
256 return SSL_TLSEXT_ERR_OK;
259 #ifndef OPENSSL_NO_SRP
261 /* This is a context that we pass to all callbacks */
262 typedef struct srp_arg_st {
265 int msg; /* copy from c_msg */
266 int debug; /* copy from c_debug */
267 int amp; /* allow more groups */
268 int strength; /* minimal size for N */
271 # define SRP_NUMBER_ITERATIONS_FOR_PRIME 64
273 static int srp_Verify_N_and_g(const BIGNUM *N, const BIGNUM *g)
275 BN_CTX *bn_ctx = BN_CTX_new();
276 BIGNUM *p = BN_new();
277 BIGNUM *r = BN_new();
279 g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) &&
280 BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) == 1 &&
281 p != NULL && BN_rshift1(p, N) &&
283 BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) == 1 &&
285 /* verify g^((N-1)/2) == -1 (mod N) */
286 BN_mod_exp(r, g, p, N, bn_ctx) &&
287 BN_add_word(r, 1) && BN_cmp(r, N) == 0;
296 * This callback is used here for two purposes:
297 * - extended debugging
298 * - making some primality tests for unknown groups
299 * The callback is only called for a non default group.
301 * An application does not need the call back at all if
302 * only the standard groups are used. In real life situations,
303 * client and server already share well known groups,
304 * thus there is no need to verify them.
305 * Furthermore, in case that a server actually proposes a group that
306 * is not one of those defined in RFC 5054, it is more appropriate
307 * to add the group to a static list and then compare since
308 * primality tests are rather cpu consuming.
311 static int ssl_srp_verify_param_cb(SSL *s, void *arg)
313 SRP_ARG *srp_arg = (SRP_ARG *)arg;
314 BIGNUM *N = NULL, *g = NULL;
316 if (((N = SSL_get_srp_N(s)) == NULL) || ((g = SSL_get_srp_g(s)) == NULL))
318 if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1) {
319 BIO_printf(bio_err, "SRP parameters:\n");
320 BIO_printf(bio_err, "\tN=");
321 BN_print(bio_err, N);
322 BIO_printf(bio_err, "\n\tg=");
323 BN_print(bio_err, g);
324 BIO_printf(bio_err, "\n");
327 if (SRP_check_known_gN_param(g, N))
330 if (srp_arg->amp == 1) {
333 "SRP param N and g are not known params, going to check deeper.\n");
336 * The srp_moregroups is a real debugging feature. Implementors
337 * should rather add the value to the known ones. The minimal size
338 * has already been tested.
340 if (BN_num_bits(g) <= BN_BITS && srp_Verify_N_and_g(N, g))
343 BIO_printf(bio_err, "SRP param N and g rejected.\n");
347 # define PWD_STRLEN 1024
349 static char *ssl_give_srp_client_pwd_cb(SSL *s, void *arg)
351 SRP_ARG *srp_arg = (SRP_ARG *)arg;
352 char *pass = app_malloc(PWD_STRLEN + 1, "SRP password buffer");
356 cb_tmp.password = (char *)srp_arg->srppassin;
357 cb_tmp.prompt_info = "SRP user";
358 if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp)) < 0) {
359 BIO_printf(bio_err, "Can't read Password\n");
370 #ifndef OPENSSL_NO_NEXTPROTONEG
371 /* This the context that we pass to next_proto_cb */
372 typedef struct tlsextnextprotoctx_st {
376 } tlsextnextprotoctx;
378 static tlsextnextprotoctx next_proto;
380 static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen,
381 const unsigned char *in, unsigned int inlen,
384 tlsextnextprotoctx *ctx = arg;
387 /* We can assume that |in| is syntactically valid. */
389 BIO_printf(bio_c_out, "Protocols advertised by server: ");
390 for (i = 0; i < inlen;) {
392 BIO_write(bio_c_out, ", ", 2);
393 BIO_write(bio_c_out, &in[i + 1], in[i]);
396 BIO_write(bio_c_out, "\n", 1);
400 SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len);
401 return SSL_TLSEXT_ERR_OK;
403 #endif /* ndef OPENSSL_NO_NEXTPROTONEG */
405 static int serverinfo_cli_parse_cb(SSL *s, unsigned int ext_type,
406 const unsigned char *in, size_t inlen,
410 unsigned char ext_buf[4 + 65536];
412 /* Reconstruct the type/len fields prior to extension data */
413 inlen &= 0xffff; /* for formal memcmpy correctness */
414 ext_buf[0] = (unsigned char)(ext_type >> 8);
415 ext_buf[1] = (unsigned char)(ext_type);
416 ext_buf[2] = (unsigned char)(inlen >> 8);
417 ext_buf[3] = (unsigned char)(inlen);
418 memcpy(ext_buf + 4, in, inlen);
420 BIO_snprintf(pem_name, sizeof(pem_name), "SERVERINFO FOR EXTENSION %d",
422 PEM_write_bio(bio_c_out, pem_name, "", ext_buf, 4 + inlen);
427 * Hex decoder that tolerates optional whitespace. Returns number of bytes
428 * produced, advances inptr to end of input string.
430 static ossl_ssize_t hexdecode(const char **inptr, void *result)
432 unsigned char **out = (unsigned char **)result;
433 const char *in = *inptr;
434 unsigned char *ret = app_malloc(strlen(in) / 2, "hexdecode");
435 unsigned char *cp = ret;
442 for (byte = 0; *in; ++in) {
445 if (isspace(_UC(*in)))
447 x = OPENSSL_hexchar2int(*in);
453 if ((nibble ^= 1) == 0) {
466 return cp - (*out = ret);
470 * Decode unsigned 0..255, returns 1 on success, <= 0 on failure. Advances
471 * inptr to next field skipping leading whitespace.
473 static ossl_ssize_t checked_uint8(const char **inptr, void *out)
475 uint8_t *result = (uint8_t *)out;
476 const char *in = *inptr;
482 v = strtol(in, &endp, 10);
485 if (((v == LONG_MIN || v == LONG_MAX) && e == ERANGE) ||
486 endp == in || !isspace(_UC(*endp)) ||
487 v != (*result = (uint8_t) v)) {
490 for (in = endp; isspace(_UC(*in)); ++in)
500 ossl_ssize_t (*parser)(const char **, void *);
503 static int tlsa_import_rr(SSL *con, const char *rrdata)
505 /* Not necessary to re-init these values; the "parsers" do that. */
506 static uint8_t usage;
507 static uint8_t selector;
508 static uint8_t mtype;
509 static unsigned char *data;
510 static struct tlsa_field tlsa_fields[] = {
511 { &usage, "usage", checked_uint8 },
512 { &selector, "selector", checked_uint8 },
513 { &mtype, "mtype", checked_uint8 },
514 { &data, "data", hexdecode },
517 struct tlsa_field *f;
519 const char *cp = rrdata;
520 ossl_ssize_t len = 0;
522 for (f = tlsa_fields; f->var; ++f) {
523 /* Returns number of bytes produced, advances cp to next field */
524 if ((len = f->parser(&cp, f->var)) <= 0) {
525 BIO_printf(bio_err, "%s: warning: bad TLSA %s field in: %s\n",
526 prog, f->name, rrdata);
530 /* The data field is last, so len is its length */
531 ret = SSL_dane_tlsa_add(con, usage, selector, mtype, data, len);
535 ERR_print_errors(bio_err);
536 BIO_printf(bio_err, "%s: warning: unusable TLSA rrdata: %s\n",
541 ERR_print_errors(bio_err);
542 BIO_printf(bio_err, "%s: warning: error loading TLSA rrdata: %s\n",
549 static int tlsa_import_rrset(SSL *con, STACK_OF(OPENSSL_STRING) *rrset)
551 int num = sk_OPENSSL_STRING_num(rrset);
555 for (i = 0; i < num; ++i) {
556 char *rrdata = sk_OPENSSL_STRING_value(rrset, i);
557 if (tlsa_import_rr(con, rrdata) > 0)
563 typedef enum OPTION_choice {
564 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
565 OPT_4, OPT_6, OPT_HOST, OPT_PORT, OPT_CONNECT, OPT_BIND, OPT_UNIX,
566 OPT_XMPPHOST, OPT_VERIFY, OPT_NAMEOPT,
567 OPT_CERT, OPT_CRL, OPT_CRL_DOWNLOAD, OPT_SESS_OUT, OPT_SESS_IN,
568 OPT_CERTFORM, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET,
569 OPT_BRIEF, OPT_PREXIT, OPT_CRLF, OPT_QUIET, OPT_NBIO,
570 OPT_SSL_CLIENT_ENGINE, OPT_IGN_EOF, OPT_NO_IGN_EOF,
571 OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_WDEBUG,
572 OPT_MSG, OPT_MSGFILE, OPT_ENGINE, OPT_TRACE, OPT_SECURITY_DEBUG,
573 OPT_SECURITY_DEBUG_VERBOSE, OPT_SHOWCERTS, OPT_NBIO_TEST, OPT_STATE,
574 OPT_PSK_IDENTITY, OPT_PSK, OPT_PSK_SESS,
575 #ifndef OPENSSL_NO_SRP
576 OPT_SRPUSER, OPT_SRPPASS, OPT_SRP_STRENGTH, OPT_SRP_LATEUSER,
579 OPT_SSL3, OPT_SSL_CONFIG,
580 OPT_TLS1_3, OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1,
581 OPT_DTLS1_2, OPT_SCTP, OPT_TIMEOUT, OPT_MTU, OPT_KEYFORM, OPT_PASS,
582 OPT_CERT_CHAIN, OPT_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH,
583 OPT_KEY, OPT_RECONNECT, OPT_BUILD_CHAIN, OPT_CAFILE, OPT_NOCAFILE,
584 OPT_CHAINCAFILE, OPT_VERIFYCAFILE, OPT_NEXTPROTONEG, OPT_ALPN,
585 OPT_SERVERINFO, OPT_STARTTLS, OPT_SERVERNAME, OPT_NOSERVERNAME, OPT_ASYNC,
586 OPT_USE_SRTP, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN, OPT_PROTOHOST,
587 OPT_MAXFRAGLEN, OPT_MAX_SEND_FRAG, OPT_SPLIT_SEND_FRAG, OPT_MAX_PIPELINES,
588 OPT_READ_BUF, OPT_KEYLOG_FILE, OPT_EARLY_DATA, OPT_REQCAFILE,
592 OPT_FALLBACKSCSV, OPT_NOCMDS, OPT_PROXY, OPT_DANE_TLSA_DOMAIN,
593 #ifndef OPENSSL_NO_CT
594 OPT_CT, OPT_NOCT, OPT_CTLOG_FILE,
596 OPT_DANE_TLSA_RRDATA, OPT_DANE_EE_NO_NAME,
601 const OPTIONS s_client_options[] = {
602 {"help", OPT_HELP, '-', "Display this summary"},
603 {"host", OPT_HOST, 's', "Use -connect instead"},
604 {"port", OPT_PORT, 'p', "Use -connect instead"},
605 {"connect", OPT_CONNECT, 's',
606 "TCP/IP where to connect (default is :" PORT ")"},
607 {"bind", OPT_BIND, 's', "bind local address for connection"},
608 {"proxy", OPT_PROXY, 's',
609 "Connect to via specified proxy to the real server"},
611 {"unix", OPT_UNIX, 's', "Connect over the specified Unix-domain socket"},
613 {"4", OPT_4, '-', "Use IPv4 only"},
615 {"6", OPT_6, '-', "Use IPv6 only"},
617 {"verify", OPT_VERIFY, 'p', "Turn on peer certificate verification"},
618 {"cert", OPT_CERT, '<', "Certificate file to use, PEM format assumed"},
619 {"certform", OPT_CERTFORM, 'F',
620 "Certificate format (PEM or DER) PEM default"},
621 {"nameopt", OPT_NAMEOPT, 's', "Various certificate name options"},
622 {"key", OPT_KEY, 's', "Private key file to use, if not in -cert file"},
623 {"keyform", OPT_KEYFORM, 'E', "Key format (PEM, DER or engine) PEM default"},
624 {"pass", OPT_PASS, 's', "Private key file pass phrase source"},
625 {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
626 {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
627 {"no-CAfile", OPT_NOCAFILE, '-',
628 "Do not load the default certificates file"},
629 {"no-CApath", OPT_NOCAPATH, '-',
630 "Do not load certificates from the default certificates directory"},
631 {"requestCAfile", OPT_REQCAFILE, '<',
632 "PEM format file of CA names to send to the server"},
633 {"dane_tlsa_domain", OPT_DANE_TLSA_DOMAIN, 's', "DANE TLSA base domain"},
634 {"dane_tlsa_rrdata", OPT_DANE_TLSA_RRDATA, 's',
635 "DANE TLSA rrdata presentation form"},
636 {"dane_ee_no_namechecks", OPT_DANE_EE_NO_NAME, '-',
637 "Disable name checks when matching DANE-EE(3) TLSA records"},
638 {"reconnect", OPT_RECONNECT, '-',
639 "Drop and re-make the connection with the same Session-ID"},
640 {"showcerts", OPT_SHOWCERTS, '-',
641 "Show all certificates sent by the server"},
642 {"debug", OPT_DEBUG, '-', "Extra output"},
643 {"msg", OPT_MSG, '-', "Show protocol messages"},
644 {"msgfile", OPT_MSGFILE, '>',
645 "File to send output of -msg or -trace, instead of stdout"},
646 {"nbio_test", OPT_NBIO_TEST, '-', "More ssl protocol testing"},
647 {"state", OPT_STATE, '-', "Print the ssl states"},
648 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"},
649 {"quiet", OPT_QUIET, '-', "No s_client output"},
650 {"ign_eof", OPT_IGN_EOF, '-', "Ignore input eof (default when -quiet)"},
651 {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Don't ignore input eof"},
652 {"starttls", OPT_STARTTLS, 's',
653 "Use the appropriate STARTTLS command before starting TLS"},
654 {"xmpphost", OPT_XMPPHOST, 's',
655 "Alias of -name option for \"-starttls xmpp[-server]\""},
657 {"sess_out", OPT_SESS_OUT, '>', "File to write SSL session to"},
658 {"sess_in", OPT_SESS_IN, '<', "File to read SSL session from"},
659 #ifndef OPENSSL_NO_SRTP
660 {"use_srtp", OPT_USE_SRTP, 's',
661 "Offer SRTP key management with a colon-separated profile list"},
663 {"keymatexport", OPT_KEYMATEXPORT, 's',
664 "Export keying material using label"},
665 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
666 "Export len bytes of keying material (default 20)"},
667 {"maxfraglen", OPT_MAXFRAGLEN, 'p',
668 "Enable Maximum Fragment Length Negotiation (len values: 512, 1024, 2048 and 4096)"},
669 {"fallback_scsv", OPT_FALLBACKSCSV, '-', "Send the fallback SCSV"},
670 {"name", OPT_PROTOHOST, 's',
671 "Hostname to use for \"-starttls lmtp\", \"-starttls smtp\" or \"-starttls xmpp[-server]\""},
672 {"CRL", OPT_CRL, '<', "CRL file to use"},
673 {"crl_download", OPT_CRL_DOWNLOAD, '-', "Download CRL from distribution points"},
674 {"CRLform", OPT_CRLFORM, 'F', "CRL format (PEM or DER) PEM is default"},
675 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-',
676 "Close connection on verification error"},
677 {"verify_quiet", OPT_VERIFY_QUIET, '-', "Restrict verify output to errors"},
678 {"brief", OPT_BRIEF, '-',
679 "Restrict output to brief summary of connection parameters"},
680 {"prexit", OPT_PREXIT, '-',
681 "Print session information when the program exits"},
682 {"security_debug", OPT_SECURITY_DEBUG, '-',
683 "Enable security debug messages"},
684 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-',
685 "Output more security debug output"},
686 {"cert_chain", OPT_CERT_CHAIN, '<',
687 "Certificate chain file (in PEM format)"},
688 {"chainCApath", OPT_CHAINCAPATH, '/',
689 "Use dir as certificate store path to build CA certificate chain"},
690 {"verifyCApath", OPT_VERIFYCAPATH, '/',
691 "Use dir as certificate store path to verify CA certificate"},
692 {"build_chain", OPT_BUILD_CHAIN, '-', "Build certificate chain"},
693 {"chainCAfile", OPT_CHAINCAFILE, '<',
694 "CA file for certificate chain (PEM format)"},
695 {"verifyCAfile", OPT_VERIFYCAFILE, '<',
696 "CA file for certificate verification (PEM format)"},
697 {"nocommands", OPT_NOCMDS, '-', "Do not use interactive command letters"},
698 {"servername", OPT_SERVERNAME, 's',
699 "Set TLS extension servername (SNI) in ClientHello (default)"},
700 {"noservername", OPT_NOSERVERNAME, '-',
701 "Do not send the server name (SNI) extension in the ClientHello"},
702 {"tlsextdebug", OPT_TLSEXTDEBUG, '-',
703 "Hex dump of all TLS extensions received"},
704 #ifndef OPENSSL_NO_OCSP
705 {"status", OPT_STATUS, '-', "Request certificate status from server"},
707 {"serverinfo", OPT_SERVERINFO, 's',
708 "types Send empty ClientHello extensions (comma-separated numbers)"},
709 {"alpn", OPT_ALPN, 's',
710 "Enable ALPN extension, considering named protocols supported (comma-separated list)"},
711 {"async", OPT_ASYNC, '-', "Support asynchronous operation"},
712 {"ssl_config", OPT_SSL_CONFIG, 's', "Use specified configuration file"},
713 {"max_send_frag", OPT_MAX_SEND_FRAG, 'p', "Maximum Size of send frames "},
714 {"split_send_frag", OPT_SPLIT_SEND_FRAG, 'p',
715 "Size used to split data for encrypt pipelines"},
716 {"max_pipelines", OPT_MAX_PIPELINES, 'p',
717 "Maximum number of encrypt/decrypt pipelines to be used"},
718 {"read_buf", OPT_READ_BUF, 'p',
719 "Default read buffer size to be used for connections"},
723 #ifndef OPENSSL_NO_SSL3
724 {"ssl3", OPT_SSL3, '-', "Just use SSLv3"},
726 #ifndef OPENSSL_NO_TLS1
727 {"tls1", OPT_TLS1, '-', "Just use TLSv1"},
729 #ifndef OPENSSL_NO_TLS1_1
730 {"tls1_1", OPT_TLS1_1, '-', "Just use TLSv1.1"},
732 #ifndef OPENSSL_NO_TLS1_2
733 {"tls1_2", OPT_TLS1_2, '-', "Just use TLSv1.2"},
735 #ifndef OPENSSL_NO_TLS1_3
736 {"tls1_3", OPT_TLS1_3, '-', "Just use TLSv1.3"},
738 #ifndef OPENSSL_NO_DTLS
739 {"dtls", OPT_DTLS, '-', "Use any version of DTLS"},
740 {"timeout", OPT_TIMEOUT, '-',
741 "Enable send/receive timeout on DTLS connections"},
742 {"mtu", OPT_MTU, 'p', "Set the link layer MTU"},
744 #ifndef OPENSSL_NO_DTLS1
745 {"dtls1", OPT_DTLS1, '-', "Just use DTLSv1"},
747 #ifndef OPENSSL_NO_DTLS1_2
748 {"dtls1_2", OPT_DTLS1_2, '-', "Just use DTLSv1.2"},
750 #ifndef OPENSSL_NO_SCTP
751 {"sctp", OPT_SCTP, '-', "Use SCTP"},
753 #ifndef OPENSSL_NO_SSL_TRACE
754 {"trace", OPT_TRACE, '-', "Show trace output of protocol messages"},
757 {"wdebug", OPT_WDEBUG, '-', "WATT-32 tcp debugging"},
759 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"},
760 {"psk_identity", OPT_PSK_IDENTITY, 's', "PSK identity"},
761 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"},
762 {"psk_session", OPT_PSK_SESS, '<', "File to read PSK SSL session from"},
763 #ifndef OPENSSL_NO_SRP
764 {"srpuser", OPT_SRPUSER, 's', "SRP authentication for 'user'"},
765 {"srppass", OPT_SRPPASS, 's', "Password for 'user'"},
766 {"srp_lateuser", OPT_SRP_LATEUSER, '-',
767 "SRP username into second ClientHello message"},
768 {"srp_moregroups", OPT_SRP_MOREGROUPS, '-',
769 "Tolerate other than the known g N values."},
770 {"srp_strength", OPT_SRP_STRENGTH, 'p', "Minimal length in bits for N"},
772 #ifndef OPENSSL_NO_NEXTPROTONEG
773 {"nextprotoneg", OPT_NEXTPROTONEG, 's',
774 "Enable NPN extension, considering named protocols supported (comma-separated list)"},
776 #ifndef OPENSSL_NO_ENGINE
777 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
778 {"ssl_client_engine", OPT_SSL_CLIENT_ENGINE, 's',
779 "Specify engine to be used for client certificate operations"},
781 #ifndef OPENSSL_NO_CT
782 {"ct", OPT_CT, '-', "Request and parse SCTs (also enables OCSP stapling)"},
783 {"noct", OPT_NOCT, '-', "Do not request or parse SCTs (default)"},
784 {"ctlogfile", OPT_CTLOG_FILE, '<', "CT log list CONF file"},
786 {"keylogfile", OPT_KEYLOG_FILE, '>', "Write TLS secrets to file"},
787 {"early_data", OPT_EARLY_DATA, '<', "File to send as early data"},
788 {"force_pha", OPT_FORCE_PHA, '-', "Force-enable post-handshake-authentication"},
789 {NULL, OPT_EOF, 0x00, NULL}
792 typedef enum PROTOCOL_choice {
811 static const OPT_PAIR services[] = {
812 {"smtp", PROTO_SMTP},
813 {"pop3", PROTO_POP3},
814 {"imap", PROTO_IMAP},
816 {"xmpp", PROTO_XMPP},
817 {"xmpp-server", PROTO_XMPP_SERVER},
818 {"telnet", PROTO_TELNET},
820 {"mysql", PROTO_MYSQL},
821 {"postgres", PROTO_POSTGRES},
822 {"lmtp", PROTO_LMTP},
823 {"nntp", PROTO_NNTP},
824 {"sieve", PROTO_SIEVE},
825 {"ldap", PROTO_LDAP},
829 #define IS_INET_FLAG(o) \
830 (o == OPT_4 || o == OPT_6 || o == OPT_HOST || o == OPT_PORT || o == OPT_CONNECT)
831 #define IS_UNIX_FLAG(o) (o == OPT_UNIX)
833 #define IS_PROT_FLAG(o) \
834 (o == OPT_SSL3 || o == OPT_TLS1 || o == OPT_TLS1_1 || o == OPT_TLS1_2 \
835 || o == OPT_TLS1_3 || o == OPT_DTLS || o == OPT_DTLS1 || o == OPT_DTLS1_2)
837 /* Free |*dest| and optionally set it to a copy of |source|. */
838 static void freeandcopy(char **dest, const char *source)
843 *dest = OPENSSL_strdup(source);
846 static int new_session_cb(SSL *S, SSL_SESSION *sess)
848 BIO *stmp = BIO_new_file(sess_out, "w");
851 BIO_printf(bio_err, "Error writing session file %s\n", sess_out);
853 PEM_write_bio_SSL_SESSION(stmp, sess);
858 * We always return a "fail" response so that the session gets freed again
859 * because we haven't used the reference.
864 int s_client_main(int argc, char **argv)
867 EVP_PKEY *key = NULL;
870 STACK_OF(X509) *chain = NULL;
872 X509_VERIFY_PARAM *vpm = NULL;
873 SSL_EXCERT *exc = NULL;
874 SSL_CONF_CTX *cctx = NULL;
875 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
876 char *dane_tlsa_domain = NULL;
877 STACK_OF(OPENSSL_STRING) *dane_tlsa_rrset = NULL;
878 int dane_ee_no_name = 0;
879 STACK_OF(X509_CRL) *crls = NULL;
880 const SSL_METHOD *meth = TLS_client_method();
881 const char *CApath = NULL, *CAfile = NULL;
882 char *cbuf = NULL, *sbuf = NULL;
883 char *mbuf = NULL, *proxystr = NULL, *connectstr = NULL, *bindstr = NULL;
884 char *cert_file = NULL, *key_file = NULL, *chain_file = NULL;
885 char *chCApath = NULL, *chCAfile = NULL, *host = NULL;
886 char *port = OPENSSL_strdup(PORT);
887 char *bindhost = NULL, *bindport = NULL;
888 char *passarg = NULL, *pass = NULL, *vfyCApath = NULL, *vfyCAfile = NULL;
889 char *ReqCAfile = NULL;
890 char *sess_in = NULL, *crl_file = NULL, *p;
891 const char *protohost = NULL;
892 struct timeval timeout, *timeoutp;
893 fd_set readfds, writefds;
894 int noCApath = 0, noCAfile = 0;
895 int build_chain = 0, cbuf_len, cbuf_off, cert_format = FORMAT_PEM;
896 int key_format = FORMAT_PEM, crlf = 0, full_log = 1, mbuf_len = 0;
899 int reconnect = 0, verify = SSL_VERIFY_NONE, vpmtouched = 0;
900 int ret = 1, in_init = 1, i, nbio_test = 0, s = -1, k, width, state = 0;
901 int sbuf_len, sbuf_off, cmdletters = 1;
902 int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM, protocol = 0;
903 int starttls_proto = PROTO_OFF, crl_format = FORMAT_PEM, crl_download = 0;
904 int write_tty, read_tty, write_ssl, read_ssl, tty_on, ssl_pending;
905 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
908 int read_buf_len = 0;
909 int fallback_scsv = 0;
911 #ifndef OPENSSL_NO_DTLS
912 int enable_timeouts = 0;
915 #ifndef OPENSSL_NO_ENGINE
916 ENGINE *ssl_client_engine = NULL;
919 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
922 const char *servername = NULL;
923 int noservername = 0;
924 const char *alpn_in = NULL;
925 tlsextctx tlsextcbp = { NULL, 0 };
926 const char *ssl_config = NULL;
927 #define MAX_SI_TYPES 100
928 unsigned short serverinfo_types[MAX_SI_TYPES];
929 int serverinfo_count = 0, start = 0, len;
930 #ifndef OPENSSL_NO_NEXTPROTONEG
931 const char *next_proto_neg_in = NULL;
933 #ifndef OPENSSL_NO_SRP
934 char *srppass = NULL;
935 int srp_lateuser = 0;
936 SRP_ARG srp_arg = { NULL, NULL, 0, 0, 0, 1024 };
938 #ifndef OPENSSL_NO_SRTP
939 char *srtp_profiles = NULL;
941 #ifndef OPENSSL_NO_CT
942 char *ctlog_file = NULL;
943 int ct_validation = 0;
945 int min_version = 0, max_version = 0, prot_opt = 0, no_prot_opt = 0;
947 unsigned int max_send_fragment = 0;
948 unsigned int split_send_fragment = 0, max_pipelines = 0;
949 enum { use_inet, use_unix, use_unknown } connect_type = use_unknown;
951 uint8_t maxfraglen = 0;
952 int c_nbio = 0, c_msg = 0, c_ign_eof = 0, c_brief = 0;
953 int c_tlsextdebug = 0;
954 #ifndef OPENSSL_NO_OCSP
955 int c_status_req = 0;
957 BIO *bio_c_msg = NULL;
958 const char *keylog_file = NULL, *early_data_file = NULL;
959 #ifndef OPENSSL_NO_DTLS
962 char *psksessf = NULL;
967 /* Known false-positive of MemorySanitizer. */
968 #if defined(__has_feature)
969 # if __has_feature(memory_sanitizer)
970 __msan_unpoison(&readfds, sizeof(readfds));
971 __msan_unpoison(&writefds, sizeof(writefds));
975 prog = opt_progname(argv[0]);
980 vpm = X509_VERIFY_PARAM_new();
981 cctx = SSL_CONF_CTX_new();
983 if (vpm == NULL || cctx == NULL) {
984 BIO_printf(bio_err, "%s: out of memory\n", prog);
988 cbuf = app_malloc(BUFSIZZ, "cbuf");
989 sbuf = app_malloc(BUFSIZZ, "sbuf");
990 mbuf = app_malloc(BUFSIZZ, "mbuf");
992 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT | SSL_CONF_FLAG_CMDLINE);
994 prog = opt_init(argc, argv, s_client_options);
995 while ((o = opt_next()) != OPT_EOF) {
996 /* Check for intermixing flags. */
997 if (connect_type == use_unix && IS_INET_FLAG(o)) {
999 "%s: Intermixed protocol flags (unix and internet domains)\n",
1003 if (connect_type == use_inet && IS_UNIX_FLAG(o)) {
1005 "%s: Intermixed protocol flags (internet and unix domains)\n",
1010 if (IS_PROT_FLAG(o) && ++prot_opt > 1) {
1011 BIO_printf(bio_err, "Cannot supply multiple protocol flags\n");
1014 if (IS_NO_PROT_FLAG(o))
1016 if (prot_opt == 1 && no_prot_opt) {
1018 "Cannot supply both a protocol flag and '-no_<prot>'\n");
1026 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
1029 opt_help(s_client_options);
1033 connect_type = use_inet;
1034 socket_family = AF_INET;
1039 connect_type = use_inet;
1040 socket_family = AF_INET6;
1045 connect_type = use_inet;
1046 freeandcopy(&host, opt_arg());
1049 connect_type = use_inet;
1050 freeandcopy(&port, opt_arg());
1053 connect_type = use_inet;
1054 freeandcopy(&connectstr, opt_arg());
1057 freeandcopy(&bindstr, opt_arg());
1060 proxystr = opt_arg();
1061 starttls_proto = PROTO_CONNECT;
1065 connect_type = use_unix;
1066 socket_family = AF_UNIX;
1067 freeandcopy(&host, opt_arg());
1071 /* fall through, since this is an alias */
1073 protohost = opt_arg();
1076 verify = SSL_VERIFY_PEER;
1077 verify_args.depth = atoi(opt_arg());
1079 BIO_printf(bio_err, "verify depth is %d\n", verify_args.depth);
1082 cert_file = opt_arg();
1085 if (!set_nameopt(opt_arg()))
1089 crl_file = opt_arg();
1091 case OPT_CRL_DOWNLOAD:
1095 sess_out = opt_arg();
1098 sess_in = opt_arg();
1101 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &cert_format))
1105 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
1108 case OPT_VERIFY_RET_ERROR:
1109 verify_args.return_error = 1;
1111 case OPT_VERIFY_QUIET:
1112 verify_args.quiet = 1;
1115 c_brief = verify_args.quiet = c_quiet = 1;
1118 if (ssl_args == NULL)
1119 ssl_args = sk_OPENSSL_STRING_new_null();
1120 if (ssl_args == NULL
1121 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
1122 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
1123 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1128 if (!opt_verify(o, vpm))
1133 if (!args_excert(o, &exc))
1143 c_quiet = c_ign_eof = 1;
1152 e = setup_engine(opt_arg(), 1);
1154 case OPT_SSL_CLIENT_ENGINE:
1155 #ifndef OPENSSL_NO_ENGINE
1156 ssl_client_engine = ENGINE_by_id(opt_arg());
1157 if (ssl_client_engine == NULL) {
1158 BIO_printf(bio_err, "Error getting client auth engine\n");
1170 case OPT_NO_IGN_EOF:
1176 case OPT_TLSEXTDEBUG:
1180 #ifndef OPENSSL_NO_OCSP
1193 bio_c_msg = BIO_new_file(opt_arg(), "w");
1196 #ifndef OPENSSL_NO_SSL_TRACE
1200 case OPT_SECURITY_DEBUG:
1203 case OPT_SECURITY_DEBUG_VERBOSE:
1215 case OPT_PSK_IDENTITY:
1216 psk_identity = opt_arg();
1219 for (p = psk_key = opt_arg(); *p; p++) {
1220 if (isxdigit(_UC(*p)))
1222 BIO_printf(bio_err, "Not a hex number '%s'\n", psk_key);
1227 psksessf = opt_arg();
1229 #ifndef OPENSSL_NO_SRP
1231 srp_arg.srplogin = opt_arg();
1232 if (min_version < TLS1_VERSION)
1233 min_version = TLS1_VERSION;
1236 srppass = opt_arg();
1237 if (min_version < TLS1_VERSION)
1238 min_version = TLS1_VERSION;
1240 case OPT_SRP_STRENGTH:
1241 srp_arg.strength = atoi(opt_arg());
1242 BIO_printf(bio_err, "SRP minimal length for N is %d\n",
1244 if (min_version < TLS1_VERSION)
1245 min_version = TLS1_VERSION;
1247 case OPT_SRP_LATEUSER:
1249 if (min_version < TLS1_VERSION)
1250 min_version = TLS1_VERSION;
1252 case OPT_SRP_MOREGROUPS:
1254 if (min_version < TLS1_VERSION)
1255 min_version = TLS1_VERSION;
1258 case OPT_SSL_CONFIG:
1259 ssl_config = opt_arg();
1262 min_version = SSL3_VERSION;
1263 max_version = SSL3_VERSION;
1266 min_version = TLS1_3_VERSION;
1267 max_version = TLS1_3_VERSION;
1270 min_version = TLS1_2_VERSION;
1271 max_version = TLS1_2_VERSION;
1274 min_version = TLS1_1_VERSION;
1275 max_version = TLS1_1_VERSION;
1278 min_version = TLS1_VERSION;
1279 max_version = TLS1_VERSION;
1282 #ifndef OPENSSL_NO_DTLS
1283 meth = DTLS_client_method();
1284 socket_type = SOCK_DGRAM;
1289 #ifndef OPENSSL_NO_DTLS1
1290 meth = DTLS_client_method();
1291 min_version = DTLS1_VERSION;
1292 max_version = DTLS1_VERSION;
1293 socket_type = SOCK_DGRAM;
1298 #ifndef OPENSSL_NO_DTLS1_2
1299 meth = DTLS_client_method();
1300 min_version = DTLS1_2_VERSION;
1301 max_version = DTLS1_2_VERSION;
1302 socket_type = SOCK_DGRAM;
1307 #ifndef OPENSSL_NO_SCTP
1308 protocol = IPPROTO_SCTP;
1312 #ifndef OPENSSL_NO_DTLS
1313 enable_timeouts = 1;
1317 #ifndef OPENSSL_NO_DTLS
1318 socket_mtu = atol(opt_arg());
1321 case OPT_FALLBACKSCSV:
1325 if (!opt_format(opt_arg(), OPT_FMT_PDE, &key_format))
1329 passarg = opt_arg();
1331 case OPT_CERT_CHAIN:
1332 chain_file = opt_arg();
1335 key_file = opt_arg();
1346 case OPT_CHAINCAPATH:
1347 chCApath = opt_arg();
1349 case OPT_VERIFYCAPATH:
1350 vfyCApath = opt_arg();
1352 case OPT_BUILD_CHAIN:
1356 ReqCAfile = opt_arg();
1364 #ifndef OPENSSL_NO_CT
1371 case OPT_CTLOG_FILE:
1372 ctlog_file = opt_arg();
1375 case OPT_CHAINCAFILE:
1376 chCAfile = opt_arg();
1378 case OPT_VERIFYCAFILE:
1379 vfyCAfile = opt_arg();
1381 case OPT_DANE_TLSA_DOMAIN:
1382 dane_tlsa_domain = opt_arg();
1384 case OPT_DANE_TLSA_RRDATA:
1385 if (dane_tlsa_rrset == NULL)
1386 dane_tlsa_rrset = sk_OPENSSL_STRING_new_null();
1387 if (dane_tlsa_rrset == NULL ||
1388 !sk_OPENSSL_STRING_push(dane_tlsa_rrset, opt_arg())) {
1389 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1393 case OPT_DANE_EE_NO_NAME:
1394 dane_ee_no_name = 1;
1396 case OPT_NEXTPROTONEG:
1397 #ifndef OPENSSL_NO_NEXTPROTONEG
1398 next_proto_neg_in = opt_arg();
1402 alpn_in = opt_arg();
1404 case OPT_SERVERINFO:
1407 for (start = 0, i = 0; i <= len; ++i) {
1408 if (i == len || p[i] == ',') {
1409 serverinfo_types[serverinfo_count] = atoi(p + start);
1410 if (++serverinfo_count == MAX_SI_TYPES)
1417 if (!opt_pair(opt_arg(), services, &starttls_proto))
1420 case OPT_SERVERNAME:
1421 servername = opt_arg();
1423 case OPT_NOSERVERNAME:
1427 #ifndef OPENSSL_NO_SRTP
1428 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);
1678 SSL_CTX_clear_mode(ctx, SSL_MODE_AUTO_RETRY);
1681 ssl_ctx_security_debug(ctx, sdebug);
1683 if (!config_ctx(cctx, ssl_args, ctx))
1686 if (ssl_config != NULL) {
1687 if (SSL_CTX_config(ctx, ssl_config) == 0) {
1688 BIO_printf(bio_err, "Error using configuration \"%s\"\n",
1690 ERR_print_errors(bio_err);
1695 if (min_version != 0
1696 && SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
1698 if (max_version != 0
1699 && SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
1702 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
1703 BIO_printf(bio_err, "Error setting verify params\n");
1704 ERR_print_errors(bio_err);
1709 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
1712 if (max_send_fragment > 0
1713 && !SSL_CTX_set_max_send_fragment(ctx, max_send_fragment)) {
1714 BIO_printf(bio_err, "%s: Max send fragment size %u is out of permitted range\n",
1715 prog, max_send_fragment);
1719 if (split_send_fragment > 0
1720 && !SSL_CTX_set_split_send_fragment(ctx, split_send_fragment)) {
1721 BIO_printf(bio_err, "%s: Split send fragment size %u is out of permitted range\n",
1722 prog, split_send_fragment);
1726 if (max_pipelines > 0
1727 && !SSL_CTX_set_max_pipelines(ctx, max_pipelines)) {
1728 BIO_printf(bio_err, "%s: Max pipelines %u is out of permitted range\n",
1729 prog, max_pipelines);
1733 if (read_buf_len > 0) {
1734 SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len);
1738 && !SSL_CTX_set_tlsext_max_fragment_length(ctx, maxfraglen)) {
1740 "%s: Max Fragment Length code %u is out of permitted values"
1741 "\n", prog, maxfraglen);
1745 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1746 crls, crl_download)) {
1747 BIO_printf(bio_err, "Error loading store locations\n");
1748 ERR_print_errors(bio_err);
1751 if (ReqCAfile != NULL) {
1752 STACK_OF(X509_NAME) *nm = sk_X509_NAME_new_null();
1754 if (nm == NULL || !SSL_add_file_cert_subjects_to_stack(nm, ReqCAfile)) {
1755 sk_X509_NAME_pop_free(nm, X509_NAME_free);
1756 BIO_printf(bio_err, "Error loading CA names\n");
1757 ERR_print_errors(bio_err);
1760 SSL_CTX_set0_CA_list(ctx, nm);
1762 #ifndef OPENSSL_NO_ENGINE
1763 if (ssl_client_engine) {
1764 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine)) {
1765 BIO_puts(bio_err, "Error setting client auth engine\n");
1766 ERR_print_errors(bio_err);
1767 ENGINE_free(ssl_client_engine);
1770 ENGINE_free(ssl_client_engine);
1774 #ifndef OPENSSL_NO_PSK
1775 if (psk_key != NULL) {
1777 BIO_printf(bio_c_out, "PSK key given, setting client callback\n");
1778 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
1781 if (psksessf != NULL) {
1782 BIO *stmp = BIO_new_file(psksessf, "r");
1785 BIO_printf(bio_err, "Can't open PSK session file %s\n", psksessf);
1786 ERR_print_errors(bio_err);
1789 psksess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1791 if (psksess == NULL) {
1792 BIO_printf(bio_err, "Can't read PSK session file %s\n", psksessf);
1793 ERR_print_errors(bio_err);
1797 if (psk_key != NULL || psksess != NULL)
1798 SSL_CTX_set_psk_use_session_callback(ctx, psk_use_session_cb);
1800 #ifndef OPENSSL_NO_SRTP
1801 if (srtp_profiles != NULL) {
1802 /* Returns 0 on success! */
1803 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
1804 BIO_printf(bio_err, "Error setting SRTP profile\n");
1805 ERR_print_errors(bio_err);
1812 ssl_ctx_set_excert(ctx, exc);
1814 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1815 if (next_proto.data != NULL)
1816 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
1820 unsigned char *alpn = next_protos_parse(&alpn_len, alpn_in);
1823 BIO_printf(bio_err, "Error parsing -alpn argument\n");
1826 /* Returns 0 on success! */
1827 if (SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len) != 0) {
1828 BIO_printf(bio_err, "Error setting ALPN\n");
1834 for (i = 0; i < serverinfo_count; i++) {
1835 if (!SSL_CTX_add_client_custom_ext(ctx,
1836 serverinfo_types[i],
1838 serverinfo_cli_parse_cb, NULL)) {
1840 "Warning: Unable to add custom extension %u, skipping\n",
1841 serverinfo_types[i]);
1846 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1848 #ifndef OPENSSL_NO_CT
1849 /* Enable SCT processing, without early connection termination */
1850 if (ct_validation &&
1851 !SSL_CTX_enable_ct(ctx, SSL_CT_VALIDATION_PERMISSIVE)) {
1852 ERR_print_errors(bio_err);
1856 if (!ctx_set_ctlog_list_file(ctx, ctlog_file)) {
1857 if (ct_validation) {
1858 ERR_print_errors(bio_err);
1863 * If CT validation is not enabled, the log list isn't needed so don't
1864 * show errors or abort. We try to load it regardless because then we
1865 * can show the names of the logs any SCTs came from (SCTs may be seen
1866 * even with validation disabled).
1872 SSL_CTX_set_verify(ctx, verify, verify_callback);
1874 if (!ctx_set_verify_locations(ctx, CAfile, CApath, noCAfile, noCApath)) {
1875 ERR_print_errors(bio_err);
1879 ssl_ctx_add_crls(ctx, crls, crl_download);
1881 if (!set_cert_key_stuff(ctx, cert, key, chain, build_chain))
1884 if (!noservername) {
1885 tlsextcbp.biodebug = bio_err;
1886 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1887 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1889 # ifndef OPENSSL_NO_SRP
1890 if (srp_arg.srplogin) {
1891 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin)) {
1892 BIO_printf(bio_err, "Unable to set SRP username\n");
1895 srp_arg.msg = c_msg;
1896 srp_arg.debug = c_debug;
1897 SSL_CTX_set_srp_cb_arg(ctx, &srp_arg);
1898 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb);
1899 SSL_CTX_set_srp_strength(ctx, srp_arg.strength);
1900 if (c_msg || c_debug || srp_arg.amp == 0)
1901 SSL_CTX_set_srp_verify_param_callback(ctx,
1902 ssl_srp_verify_param_cb);
1906 if (dane_tlsa_domain != NULL) {
1907 if (SSL_CTX_dane_enable(ctx) <= 0) {
1909 "%s: Error enabling DANE TLSA authentication.\n",
1911 ERR_print_errors(bio_err);
1917 * In TLSv1.3 NewSessionTicket messages arrive after the handshake and can
1918 * come at any time. Therefore we use a callback to write out the session
1919 * when we know about it. This approach works for < TLSv1.3 as well.
1921 if (sess_out != NULL) {
1922 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_CLIENT
1923 | SSL_SESS_CACHE_NO_INTERNAL_STORE);
1924 SSL_CTX_sess_set_new_cb(ctx, new_session_cb);
1927 if (set_keylog_file(ctx, keylog_file))
1935 SSL_force_post_handshake_auth(con);
1937 if (sess_in != NULL) {
1939 BIO *stmp = BIO_new_file(sess_in, "r");
1941 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1942 ERR_print_errors(bio_err);
1945 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1948 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1949 ERR_print_errors(bio_err);
1952 if (!SSL_set_session(con, sess)) {
1953 BIO_printf(bio_err, "Can't set session\n");
1954 ERR_print_errors(bio_err);
1958 SSL_SESSION_free(sess);
1962 SSL_set_mode(con, SSL_MODE_SEND_FALLBACK_SCSV);
1964 if (!noservername && (servername != NULL || dane_tlsa_domain == NULL)) {
1965 if (servername == NULL)
1966 servername = (host == NULL) ? "localhost" : host;
1967 if (!SSL_set_tlsext_host_name(con, servername)) {
1968 BIO_printf(bio_err, "Unable to set TLS servername extension.\n");
1969 ERR_print_errors(bio_err);
1974 if (dane_tlsa_domain != NULL) {
1975 if (SSL_dane_enable(con, dane_tlsa_domain) <= 0) {
1976 BIO_printf(bio_err, "%s: Error enabling DANE TLSA "
1977 "authentication.\n", prog);
1978 ERR_print_errors(bio_err);
1981 if (dane_tlsa_rrset == NULL) {
1982 BIO_printf(bio_err, "%s: DANE TLSA authentication requires at "
1983 "least one -dane_tlsa_rrdata option.\n", prog);
1986 if (tlsa_import_rrset(con, dane_tlsa_rrset) <= 0) {
1987 BIO_printf(bio_err, "%s: Failed to import any TLSA "
1988 "records.\n", prog);
1991 if (dane_ee_no_name)
1992 SSL_dane_set_flags(con, DANE_FLAG_NO_DANE_EE_NAMECHECKS);
1993 } else if (dane_tlsa_rrset != NULL) {
1994 BIO_printf(bio_err, "%s: DANE TLSA authentication requires the "
1995 "-dane_tlsa_domain option.\n", prog);
2000 if (init_client(&s, host, port, bindhost, bindport, socket_family,
2001 socket_type, protocol) == 0) {
2002 BIO_printf(bio_err, "connect:errno=%d\n", get_last_socket_error());
2006 BIO_printf(bio_c_out, "CONNECTED(%08X)\n", s);
2009 if (!BIO_socket_nbio(s, 1)) {
2010 ERR_print_errors(bio_err);
2013 BIO_printf(bio_c_out, "Turned on non blocking io\n");
2015 #ifndef OPENSSL_NO_DTLS
2017 union BIO_sock_info_u peer_info;
2019 #ifndef OPENSSL_NO_SCTP
2020 if (protocol == IPPROTO_SCTP)
2021 sbio = BIO_new_dgram_sctp(s, BIO_NOCLOSE);
2024 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
2026 if ((peer_info.addr = BIO_ADDR_new()) == NULL) {
2027 BIO_printf(bio_err, "memory allocation failure\n");
2031 if (!BIO_sock_info(s, BIO_SOCK_INFO_ADDRESS, &peer_info)) {
2032 BIO_printf(bio_err, "getsockname:errno=%d\n",
2033 get_last_socket_error());
2034 BIO_ADDR_free(peer_info.addr);
2039 (void)BIO_ctrl_set_connected(sbio, peer_info.addr);
2040 BIO_ADDR_free(peer_info.addr);
2041 peer_info.addr = NULL;
2043 if (enable_timeouts) {
2045 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2046 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2049 timeout.tv_usec = DGRAM_SND_TIMEOUT;
2050 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2054 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
2055 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
2056 DTLS_get_link_min_mtu(con));
2060 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2061 if (!DTLS_set_link_mtu(con, socket_mtu)) {
2062 BIO_printf(bio_err, "Failed to set MTU\n");
2067 /* want to do MTU discovery */
2068 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2071 #endif /* OPENSSL_NO_DTLS */
2072 sbio = BIO_new_socket(s, BIO_NOCLOSE);
2077 test = BIO_new(BIO_f_nbio_test());
2078 sbio = BIO_push(test, sbio);
2082 BIO_set_callback(sbio, bio_dump_callback);
2083 BIO_set_callback_arg(sbio, (char *)bio_c_out);
2086 #ifndef OPENSSL_NO_SSL_TRACE
2088 SSL_set_msg_callback(con, SSL_trace);
2091 SSL_set_msg_callback(con, msg_cb);
2092 SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out);
2095 if (c_tlsextdebug) {
2096 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2097 SSL_set_tlsext_debug_arg(con, bio_c_out);
2099 #ifndef OPENSSL_NO_OCSP
2101 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
2102 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
2103 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
2107 SSL_set_bio(con, sbio, sbio);
2108 SSL_set_connect_state(con);
2110 /* ok, lets connect */
2111 if (fileno_stdin() > SSL_get_fd(con))
2112 width = fileno_stdin() + 1;
2114 width = SSL_get_fd(con) + 1;
2127 switch ((PROTOCOL_CHOICE) starttls_proto) {
2134 * This is an ugly hack that does a lot of assumptions. We do
2135 * have to handle multi-line responses which may come in a single
2136 * packet or not. We therefore have to use BIO_gets() which does
2137 * need a buffering BIO. So during the initial chitchat we do
2138 * push a buffering BIO into the chain that is removed again
2139 * later on to not disturb the rest of the s_client operation.
2142 BIO *fbio = BIO_new(BIO_f_buffer());
2144 BIO_push(fbio, sbio);
2145 /* Wait for multi-line response to end from LMTP or SMTP */
2147 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2148 } while (mbuf_len > 3 && mbuf[3] == '-');
2149 if (protohost == NULL)
2150 protohost = "mail.example.com";
2151 if (starttls_proto == (int)PROTO_LMTP)
2152 BIO_printf(fbio, "LHLO %s\r\n", protohost);
2154 BIO_printf(fbio, "EHLO %s\r\n", protohost);
2155 (void)BIO_flush(fbio);
2157 * Wait for multi-line response to end LHLO LMTP or EHLO SMTP
2161 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2162 if (strstr(mbuf, "STARTTLS"))
2164 } while (mbuf_len > 3 && mbuf[3] == '-');
2165 (void)BIO_flush(fbio);
2170 "Didn't find STARTTLS in server response,"
2171 " trying anyway...\n");
2172 BIO_printf(sbio, "STARTTLS\r\n");
2173 BIO_read(sbio, sbuf, BUFSIZZ);
2178 BIO_read(sbio, mbuf, BUFSIZZ);
2179 BIO_printf(sbio, "STLS\r\n");
2180 mbuf_len = BIO_read(sbio, sbuf, BUFSIZZ);
2182 BIO_printf(bio_err, "BIO_read failed\n");
2190 BIO *fbio = BIO_new(BIO_f_buffer());
2192 BIO_push(fbio, sbio);
2193 BIO_gets(fbio, mbuf, BUFSIZZ);
2194 /* STARTTLS command requires CAPABILITY... */
2195 BIO_printf(fbio, ". CAPABILITY\r\n");
2196 (void)BIO_flush(fbio);
2197 /* wait for multi-line CAPABILITY response */
2199 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2200 if (strstr(mbuf, "STARTTLS"))
2203 while (mbuf_len > 3 && mbuf[0] != '.');
2204 (void)BIO_flush(fbio);
2209 "Didn't find STARTTLS in server response,"
2210 " trying anyway...\n");
2211 BIO_printf(sbio, ". STARTTLS\r\n");
2212 BIO_read(sbio, sbuf, BUFSIZZ);
2217 BIO *fbio = BIO_new(BIO_f_buffer());
2219 BIO_push(fbio, sbio);
2220 /* wait for multi-line response to end from FTP */
2222 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2224 while (mbuf_len > 3 && mbuf[3] == '-');
2225 (void)BIO_flush(fbio);
2228 BIO_printf(sbio, "AUTH TLS\r\n");
2229 BIO_read(sbio, sbuf, BUFSIZZ);
2233 case PROTO_XMPP_SERVER:
2236 BIO_printf(sbio, "<stream:stream "
2237 "xmlns:stream='http://etherx.jabber.org/streams' "
2238 "xmlns='jabber:%s' to='%s' version='1.0'>",
2239 starttls_proto == PROTO_XMPP ? "client" : "server",
2240 protohost ? protohost : host);
2241 seen = BIO_read(sbio, mbuf, BUFSIZZ);
2243 BIO_printf(bio_err, "BIO_read failed\n");
2248 (mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")
2250 "<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\""))
2252 seen = BIO_read(sbio, mbuf, BUFSIZZ);
2260 "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
2261 seen = BIO_read(sbio, sbuf, BUFSIZZ);
2263 BIO_printf(bio_err, "BIO_read failed\n");
2267 if (!strstr(sbuf, "<proceed"))
2274 static const unsigned char tls_do[] = {
2275 /* IAC DO START_TLS */
2278 static const unsigned char tls_will[] = {
2279 /* IAC WILL START_TLS */
2282 static const unsigned char tls_follows[] = {
2283 /* IAC SB START_TLS FOLLOWS IAC SE */
2284 255, 250, 46, 1, 255, 240
2288 /* Telnet server should demand we issue START_TLS */
2289 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
2290 if (bytes != 3 || memcmp(mbuf, tls_do, 3) != 0)
2292 /* Agree to issue START_TLS and send the FOLLOWS sub-command */
2293 BIO_write(sbio, tls_will, 3);
2294 BIO_write(sbio, tls_follows, 6);
2295 (void)BIO_flush(sbio);
2296 /* Telnet server also sent the FOLLOWS sub-command */
2297 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
2298 if (bytes != 6 || memcmp(mbuf, tls_follows, 6) != 0)
2305 error_proto, /* Wrong protocol, not even HTTP */
2306 error_connect, /* CONNECT failed */
2308 } foundit = error_connect;
2309 BIO *fbio = BIO_new(BIO_f_buffer());
2311 BIO_push(fbio, sbio);
2312 BIO_printf(fbio, "CONNECT %s HTTP/1.0\r\n\r\n", connectstr);
2313 (void)BIO_flush(fbio);
2315 * The first line is the HTTP response. According to RFC 7230,
2316 * it's formated exactly like this:
2318 * HTTP/d.d ddd Reason text\r\n
2320 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2321 if (mbuf_len < (int)strlen("HTTP/1.0 200")) {
2323 "%s: HTTP CONNECT failed, insufficient response "
2324 "from proxy (got %d octets)\n", prog, mbuf_len);
2325 (void)BIO_flush(fbio);
2330 if (mbuf[8] != ' ') {
2332 "%s: HTTP CONNECT failed, incorrect response "
2333 "from proxy\n", prog);
2334 foundit = error_proto;
2335 } else if (mbuf[9] != '2') {
2336 BIO_printf(bio_err, "%s: HTTP CONNECT failed: %s ", prog,
2341 if (foundit != error_proto) {
2342 /* Read past all following headers */
2344 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2345 } while (mbuf_len > 2);
2347 (void)BIO_flush(fbio);
2350 if (foundit != success) {
2358 BIO *fbio = BIO_new(BIO_f_buffer());
2360 BIO_push(fbio, sbio);
2361 BIO_printf(fbio, "STARTTLS\r\n");
2362 (void)BIO_flush(fbio);
2363 width = SSL_get_fd(con) + 1;
2369 openssl_fdset(SSL_get_fd(con), &readfds);
2370 timeout.tv_sec = S_CLIENT_IRC_READ_TIMEOUT;
2371 timeout.tv_usec = 0;
2373 * If the IRCd doesn't respond within
2374 * S_CLIENT_IRC_READ_TIMEOUT seconds, assume
2375 * it doesn't support STARTTLS. Many IRCds
2376 * will not give _any_ sort of response to a
2377 * STARTTLS command when it's not supported.
2379 if (!BIO_get_buffer_num_lines(fbio)
2380 && !BIO_pending(fbio)
2381 && !BIO_pending(sbio)
2382 && select(width, (void *)&readfds, NULL, NULL,
2385 "Timeout waiting for response (%d seconds).\n",
2386 S_CLIENT_IRC_READ_TIMEOUT);
2390 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2391 if (mbuf_len < 1 || sscanf(mbuf, "%*s %d", &numeric) != 1)
2393 /* :example.net 451 STARTTLS :You have not registered */
2394 /* :example.net 421 STARTTLS :Unknown command */
2395 if ((numeric == 451 || numeric == 421)
2396 && strstr(mbuf, "STARTTLS") != NULL) {
2397 BIO_printf(bio_err, "STARTTLS not supported: %s", mbuf);
2400 if (numeric == 691) {
2401 BIO_printf(bio_err, "STARTTLS negotiation failed: ");
2402 ERR_print_errors(bio_err);
2405 } while (numeric != 670);
2407 (void)BIO_flush(fbio);
2410 if (numeric != 670) {
2411 BIO_printf(bio_err, "Server does not support STARTTLS.\n");
2419 /* SSL request packet */
2420 static const unsigned char ssl_req[] = {
2421 /* payload_length, sequence_id */
2422 0x20, 0x00, 0x00, 0x01,
2424 /* capability flags, CLIENT_SSL always set */
2425 0x85, 0xae, 0x7f, 0x00,
2426 /* max-packet size */
2427 0x00, 0x00, 0x00, 0x01,
2430 /* string[23] reserved (all [0]) */
2431 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
2432 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
2433 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
2436 int ssl_flg = 0x800;
2438 const unsigned char *packet = (const unsigned char *)sbuf;
2440 /* Receiving Initial Handshake packet. */
2441 bytes = BIO_read(sbio, (void *)packet, BUFSIZZ);
2443 BIO_printf(bio_err, "BIO_read failed\n");
2445 /* Packet length[3], Packet number[1] + minimum payload[17] */
2446 } else if (bytes < 21) {
2447 BIO_printf(bio_err, "MySQL packet too short.\n");
2449 } else if (bytes != (4 + packet[0] +
2451 (packet[2] << 16))) {
2452 BIO_printf(bio_err, "MySQL packet length does not match.\n");
2454 /* protocol version[1] */
2455 } else if (packet[4] != 0xA) {
2457 "Only MySQL protocol version 10 is supported.\n");
2462 /* server version[string+NULL] */
2465 BIO_printf(bio_err, "Cannot confirm server version. ");
2467 } else if (packet[pos++] == '\0') {
2472 /* make sure we have at least 15 bytes left in the packet */
2473 if (pos + 15 > bytes) {
2475 "MySQL server handshake packet is broken.\n");
2479 pos += 12; /* skip over conn id[4] + SALT[8] */
2480 if (packet[pos++] != '\0') { /* verify filler */
2482 "MySQL packet is broken.\n");
2486 /* capability flags[2] */
2487 if (!((packet[pos] + (packet[pos + 1] << 8)) & ssl_flg)) {
2488 BIO_printf(bio_err, "MySQL server does not support SSL.\n");
2492 /* Sending SSL Handshake packet. */
2493 BIO_write(sbio, ssl_req, sizeof(ssl_req));
2494 (void)BIO_flush(sbio);
2497 case PROTO_POSTGRES:
2499 static const unsigned char ssl_request[] = {
2500 /* Length SSLRequest */
2501 0, 0, 0, 8, 4, 210, 22, 47
2505 /* Send SSLRequest packet */
2506 BIO_write(sbio, ssl_request, 8);
2507 (void)BIO_flush(sbio);
2509 /* Reply will be a single S if SSL is enabled */
2510 bytes = BIO_read(sbio, sbuf, BUFSIZZ);
2511 if (bytes != 1 || sbuf[0] != 'S')
2518 BIO *fbio = BIO_new(BIO_f_buffer());
2520 BIO_push(fbio, sbio);
2521 BIO_gets(fbio, mbuf, BUFSIZZ);
2522 /* STARTTLS command requires CAPABILITIES... */
2523 BIO_printf(fbio, "CAPABILITIES\r\n");
2524 (void)BIO_flush(fbio);
2525 /* wait for multi-line CAPABILITIES response */
2527 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2528 if (strstr(mbuf, "STARTTLS"))
2530 } while (mbuf_len > 1 && mbuf[0] != '.');
2531 (void)BIO_flush(fbio);
2536 "Didn't find STARTTLS in server response,"
2537 " trying anyway...\n");
2538 BIO_printf(sbio, "STARTTLS\r\n");
2539 mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ);
2541 BIO_printf(bio_err, "BIO_read failed\n");
2544 mbuf[mbuf_len] = '\0';
2545 if (strstr(mbuf, "382") == NULL) {
2546 BIO_printf(bio_err, "STARTTLS failed: %s", mbuf);
2554 BIO *fbio = BIO_new(BIO_f_buffer());
2556 BIO_push(fbio, sbio);
2557 /* wait for multi-line response to end from Sieve */
2559 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2561 * According to RFC 5804 § 1.7, capability
2562 * is case-insensitive, make it uppercase
2564 if (mbuf_len > 1 && mbuf[0] == '"') {
2565 make_uppercase(mbuf);
2566 if (strncmp(mbuf, "\"STARTTLS\"", 10) == 0)
2569 } while (mbuf_len > 1 && mbuf[0] == '"');
2570 (void)BIO_flush(fbio);
2575 "Didn't find STARTTLS in server response,"
2576 " trying anyway...\n");
2577 BIO_printf(sbio, "STARTTLS\r\n");
2578 mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ);
2580 BIO_printf(bio_err, "BIO_read failed\n");
2583 mbuf[mbuf_len] = '\0';
2585 BIO_printf(bio_err, "STARTTLS failed: %s", mbuf);
2589 * According to RFC 5804 § 2.2, response codes are case-
2590 * insensitive, make it uppercase but preserve the response.
2592 strncpy(sbuf, mbuf, 2);
2593 make_uppercase(sbuf);
2594 if (strncmp(sbuf, "OK", 2) != 0) {
2595 BIO_printf(bio_err, "STARTTLS not supported: %s", mbuf);
2602 /* StartTLS Operation according to RFC 4511 */
2603 static char ldap_tls_genconf[] = "asn1=SEQUENCE:LDAPMessage\n"
2605 "messageID=INTEGER:1\n"
2606 "extendedReq=EXPLICIT:23A,IMPLICIT:0C,"
2607 "FORMAT:ASCII,OCT:1.3.6.1.4.1.1466.20037\n";
2609 char *genstr = NULL;
2611 ASN1_TYPE *atyp = NULL;
2612 BIO *ldapbio = BIO_new(BIO_s_mem());
2613 CONF *cnf = NCONF_new(NULL);
2619 BIO_puts(ldapbio, ldap_tls_genconf);
2620 if (NCONF_load_bio(cnf, ldapbio, &errline) <= 0) {
2624 BIO_printf(bio_err, "NCONF_load_bio failed\n");
2627 BIO_printf(bio_err, "Error on line %ld\n", errline);
2632 genstr = NCONF_get_string(cnf, "default", "asn1");
2633 if (genstr == NULL) {
2635 BIO_printf(bio_err, "NCONF_get_string failed\n");
2638 atyp = ASN1_generate_nconf(genstr, cnf);
2641 BIO_printf(bio_err, "ASN1_generate_nconf failed\n");
2646 /* Send SSLRequest packet */
2647 BIO_write(sbio, atyp->value.sequence->data,
2648 atyp->value.sequence->length);
2649 (void)BIO_flush(sbio);
2650 ASN1_TYPE_free(atyp);
2652 mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ);
2654 BIO_printf(bio_err, "BIO_read failed\n");
2657 result = ldap_ExtendedResponse_parse(mbuf, mbuf_len);
2659 BIO_printf(bio_err, "ldap_ExtendedResponse_parse failed\n");
2661 } else if (result > 0) {
2662 BIO_printf(bio_err, "STARTTLS failed, LDAP Result Code: %i\n",
2671 if (early_data_file != NULL
2672 && ((SSL_get0_session(con) != NULL
2673 && SSL_SESSION_get_max_early_data(SSL_get0_session(con)) > 0)
2675 && SSL_SESSION_get_max_early_data(psksess) > 0))) {
2676 BIO *edfile = BIO_new_file(early_data_file, "r");
2677 size_t readbytes, writtenbytes;
2680 if (edfile == NULL) {
2681 BIO_printf(bio_err, "Cannot open early data file\n");
2686 if (!BIO_read_ex(edfile, cbuf, BUFSIZZ, &readbytes))
2689 while (!SSL_write_early_data(con, cbuf, readbytes, &writtenbytes)) {
2690 switch (SSL_get_error(con, 0)) {
2691 case SSL_ERROR_WANT_WRITE:
2692 case SSL_ERROR_WANT_ASYNC:
2693 case SSL_ERROR_WANT_READ:
2694 /* Just keep trying - busy waiting */
2697 BIO_printf(bio_err, "Error writing early data\n");
2699 ERR_print_errors(bio_err);
2712 if (SSL_is_dtls(con) && DTLSv1_get_timeout(con, &timeout))
2713 timeoutp = &timeout;
2717 if (!SSL_is_init_finished(con) && SSL_total_renegotiations(con) == 0
2718 && SSL_get_key_update_type(con) == SSL_KEY_UPDATE_NONE) {
2727 BIO_puts(bio_err, "CONNECTION ESTABLISHED\n");
2728 print_ssl_summary(con);
2731 print_stuff(bio_c_out, con, full_log);
2735 if (starttls_proto) {
2736 BIO_write(bio_err, mbuf, mbuf_len);
2737 /* We don't need to know any more */
2739 starttls_proto = PROTO_OFF;
2744 BIO_printf(bio_c_out,
2745 "drop connection and then reconnect\n");
2746 do_ssl_shutdown(con);
2747 SSL_set_connect_state(con);
2748 BIO_closesocket(SSL_get_fd(con));
2754 ssl_pending = read_ssl && SSL_has_pending(con);
2757 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
2760 * Note that select() returns when read _would not block_,
2761 * and EOF satisfies that. To avoid a CPU-hogging loop,
2762 * set the flag so we exit.
2764 if (read_tty && !at_eof)
2765 openssl_fdset(fileno_stdin(), &readfds);
2766 #if !defined(OPENSSL_SYS_VMS)
2768 openssl_fdset(fileno_stdout(), &writefds);
2772 openssl_fdset(SSL_get_fd(con), &readfds);
2774 openssl_fdset(SSL_get_fd(con), &writefds);
2776 if (!tty_on || !write_tty) {
2778 openssl_fdset(SSL_get_fd(con), &readfds);
2780 openssl_fdset(SSL_get_fd(con), &writefds);
2785 * Note: under VMS with SOCKETSHR the second parameter is
2786 * currently of type (int *) whereas under other systems it is
2787 * (void *) if you don't have a cast it will choke the compiler:
2788 * if you do have a cast then you can either go for (int *) or
2791 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2793 * Under Windows/DOS we make the assumption that we can always
2794 * write to the tty: therefore if we need to write to the tty we
2795 * just fall through. Otherwise we timeout the select every
2796 * second and see if there are any keypresses. Note: this is a
2797 * hack, in a proper Windows application we wouldn't do this.
2804 i = select(width, (void *)&readfds, (void *)&writefds,
2806 if (!i && (!has_stdin_waiting() || !read_tty))
2809 i = select(width, (void *)&readfds, (void *)&writefds,
2813 i = select(width, (void *)&readfds, (void *)&writefds,
2817 BIO_printf(bio_err, "bad select %d\n",
2818 get_last_socket_error());
2823 if (SSL_is_dtls(con) && DTLSv1_handle_timeout(con) > 0)
2824 BIO_printf(bio_err, "TIMEOUT occurred\n");
2826 if (!ssl_pending && FD_ISSET(SSL_get_fd(con), &writefds)) {
2827 k = SSL_write(con, &(cbuf[cbuf_off]), (unsigned int)cbuf_len);
2828 switch (SSL_get_error(con, k)) {
2829 case SSL_ERROR_NONE:
2834 /* we have done a write(con,NULL,0); */
2835 if (cbuf_len <= 0) {
2838 } else { /* if (cbuf_len > 0) */
2844 case SSL_ERROR_WANT_WRITE:
2845 BIO_printf(bio_c_out, "write W BLOCK\n");
2849 case SSL_ERROR_WANT_ASYNC:
2850 BIO_printf(bio_c_out, "write A BLOCK\n");
2851 wait_for_async(con);
2855 case SSL_ERROR_WANT_READ:
2856 BIO_printf(bio_c_out, "write R BLOCK\n");
2861 case SSL_ERROR_WANT_X509_LOOKUP:
2862 BIO_printf(bio_c_out, "write X BLOCK\n");
2864 case SSL_ERROR_ZERO_RETURN:
2865 if (cbuf_len != 0) {
2866 BIO_printf(bio_c_out, "shutdown\n");
2875 case SSL_ERROR_SYSCALL:
2876 if ((k != 0) || (cbuf_len != 0)) {
2877 BIO_printf(bio_err, "write:errno=%d\n",
2878 get_last_socket_error());
2885 case SSL_ERROR_WANT_ASYNC_JOB:
2886 /* This shouldn't ever happen in s_client - treat as an error */
2888 ERR_print_errors(bio_err);
2892 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_VMS)
2893 /* Assume Windows/DOS/BeOS can always write */
2894 else if (!ssl_pending && write_tty)
2896 else if (!ssl_pending && FD_ISSET(fileno_stdout(), &writefds))
2899 #ifdef CHARSET_EBCDIC
2900 ascii2ebcdic(&(sbuf[sbuf_off]), &(sbuf[sbuf_off]), sbuf_len);
2902 i = raw_write_stdout(&(sbuf[sbuf_off]), sbuf_len);
2905 BIO_printf(bio_c_out, "DONE\n");
2912 if (sbuf_len <= 0) {
2916 } else if (ssl_pending || FD_ISSET(SSL_get_fd(con), &readfds)) {
2921 SSL_renegotiate(con);
2926 k = SSL_read(con, sbuf, 1024 /* BUFSIZZ */ );
2928 switch (SSL_get_error(con, k)) {
2929 case SSL_ERROR_NONE:
2938 case SSL_ERROR_WANT_ASYNC:
2939 BIO_printf(bio_c_out, "read A BLOCK\n");
2940 wait_for_async(con);
2943 if ((read_tty == 0) && (write_ssl == 0))
2946 case SSL_ERROR_WANT_WRITE:
2947 BIO_printf(bio_c_out, "read W BLOCK\n");
2951 case SSL_ERROR_WANT_READ:
2952 BIO_printf(bio_c_out, "read R BLOCK\n");
2955 if ((read_tty == 0) && (write_ssl == 0))
2958 case SSL_ERROR_WANT_X509_LOOKUP:
2959 BIO_printf(bio_c_out, "read X BLOCK\n");
2961 case SSL_ERROR_SYSCALL:
2962 ret = get_last_socket_error();
2964 BIO_puts(bio_err, "CONNECTION CLOSED BY SERVER\n");
2966 BIO_printf(bio_err, "read:errno=%d\n", ret);
2968 case SSL_ERROR_ZERO_RETURN:
2969 BIO_printf(bio_c_out, "closed\n");
2972 case SSL_ERROR_WANT_ASYNC_JOB:
2973 /* This shouldn't ever happen in s_client. Treat as an error */
2975 ERR_print_errors(bio_err);
2979 /* OPENSSL_SYS_MSDOS includes OPENSSL_SYS_WINDOWS */
2980 #if defined(OPENSSL_SYS_MSDOS)
2981 else if (has_stdin_waiting())
2983 else if (FD_ISSET(fileno_stdin(), &readfds))
2989 i = raw_read_stdin(cbuf, BUFSIZZ / 2);
2991 /* both loops are skipped when i <= 0 */
2992 for (j = 0; j < i; j++)
2993 if (cbuf[j] == '\n')
2995 for (j = i - 1; j >= 0; j--) {
2996 cbuf[j + lf_num] = cbuf[j];
2997 if (cbuf[j] == '\n') {
3000 cbuf[j + lf_num] = '\r';
3003 assert(lf_num == 0);
3005 i = raw_read_stdin(cbuf, BUFSIZZ);
3006 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
3011 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q' && cmdletters))) {
3012 BIO_printf(bio_err, "DONE\n");
3017 if ((!c_ign_eof) && (cbuf[0] == 'R' && cmdletters)) {
3018 BIO_printf(bio_err, "RENEGOTIATING\n");
3019 SSL_renegotiate(con);
3023 if (!c_ign_eof && (cbuf[0] == 'K' || cbuf[0] == 'k' )
3025 BIO_printf(bio_err, "KEYUPDATE\n");
3027 cbuf[0] == 'K' ? SSL_KEY_UPDATE_REQUESTED
3028 : SSL_KEY_UPDATE_NOT_REQUESTED);
3031 #ifndef OPENSSL_NO_HEARTBEATS
3032 else if ((!c_ign_eof) && (cbuf[0] == 'B' && cmdletters)) {
3033 BIO_printf(bio_err, "HEARTBEATING\n");
3041 #ifdef CHARSET_EBCDIC
3042 ebcdic2ascii(cbuf, cbuf, i);
3054 print_stuff(bio_c_out, con, full_log);
3055 do_ssl_shutdown(con);
3058 * If we ended with an alert being sent, but still with data in the
3059 * network buffer to be read, then calling BIO_closesocket() will
3060 * result in a TCP-RST being sent. On some platforms (notably
3061 * Windows) then this will result in the peer immediately abandoning
3062 * the connection including any buffered alert data before it has
3063 * had a chance to be read. Shutting down the sending side first,
3064 * and then closing the socket sends TCP-FIN first followed by
3065 * TCP-RST. This seems to allow the peer to read the alert data.
3067 shutdown(SSL_get_fd(con), 1); /* SHUT_WR */
3069 * We just said we have nothing else to say, but it doesn't mean that
3070 * the other side has nothing. It's even recommended to consume incoming
3071 * data. [In testing context this ensures that alerts are passed on...]
3074 timeout.tv_usec = 500000; /* some extreme round-trip */
3077 openssl_fdset(s, &readfds);
3078 } while (select(s + 1, &readfds, NULL, NULL, &timeout) > 0
3079 && BIO_read(sbio, sbuf, BUFSIZZ) > 0);
3081 BIO_closesocket(SSL_get_fd(con));
3085 print_stuff(bio_c_out, con, 1);
3088 SSL_SESSION_free(psksess);
3089 #if !defined(OPENSSL_NO_NEXTPROTONEG)
3090 OPENSSL_free(next_proto.data);
3093 set_keylog_file(NULL, NULL);
3095 sk_X509_CRL_pop_free(crls, X509_CRL_free);
3097 sk_X509_pop_free(chain, X509_free);
3099 #ifndef OPENSSL_NO_SRP
3100 OPENSSL_free(srp_arg.srppassin);
3102 OPENSSL_free(connectstr);
3103 OPENSSL_free(bindstr);
3106 X509_VERIFY_PARAM_free(vpm);
3107 ssl_excert_free(exc);
3108 sk_OPENSSL_STRING_free(ssl_args);
3109 sk_OPENSSL_STRING_free(dane_tlsa_rrset);
3110 SSL_CONF_CTX_free(cctx);
3111 OPENSSL_clear_free(cbuf, BUFSIZZ);
3112 OPENSSL_clear_free(sbuf, BUFSIZZ);
3113 OPENSSL_clear_free(mbuf, BUFSIZZ);
3115 BIO_free(bio_c_out);
3117 BIO_free(bio_c_msg);
3122 static void print_stuff(BIO *bio, SSL *s, int full)
3126 const SSL_CIPHER *c;
3128 #ifndef OPENSSL_NO_COMP
3129 const COMP_METHOD *comp, *expansion;
3131 unsigned char *exportedkeymat;
3132 #ifndef OPENSSL_NO_CT
3133 const SSL_CTX *ctx = SSL_get_SSL_CTX(s);
3137 int got_a_chain = 0;
3139 sk = SSL_get_peer_cert_chain(s);
3143 BIO_printf(bio, "---\nCertificate chain\n");
3144 for (i = 0; i < sk_X509_num(sk); i++) {
3145 BIO_printf(bio, "%2d s:", i);
3146 X509_NAME_print_ex(bio, X509_get_subject_name(sk_X509_value(sk, i)), 0, get_nameopt());
3147 BIO_puts(bio, "\n");
3148 BIO_printf(bio, " i:");
3149 X509_NAME_print_ex(bio, X509_get_issuer_name(sk_X509_value(sk, i)), 0, get_nameopt());
3150 BIO_puts(bio, "\n");
3152 PEM_write_bio_X509(bio, sk_X509_value(sk, i));
3156 BIO_printf(bio, "---\n");
3157 peer = SSL_get_peer_certificate(s);
3159 BIO_printf(bio, "Server certificate\n");
3161 /* Redundant if we showed the whole chain */
3162 if (!(c_showcerts && got_a_chain))
3163 PEM_write_bio_X509(bio, peer);
3164 dump_cert_text(bio, peer);
3166 BIO_printf(bio, "no peer certificate available\n");
3168 print_ca_names(bio, s);
3170 ssl_print_sigalgs(bio, s);
3171 ssl_print_tmp_key(bio, s);
3173 #ifndef OPENSSL_NO_CT
3175 * When the SSL session is anonymous, or resumed via an abbreviated
3176 * handshake, no SCTs are provided as part of the handshake. While in
3177 * a resumed session SCTs may be present in the session's certificate,
3178 * no callbacks are invoked to revalidate these, and in any case that
3179 * set of SCTs may be incomplete. Thus it makes little sense to
3180 * attempt to display SCTs from a resumed session's certificate, and of
3181 * course none are associated with an anonymous peer.
3183 if (peer != NULL && !SSL_session_reused(s) && SSL_ct_is_enabled(s)) {
3184 const STACK_OF(SCT) *scts = SSL_get0_peer_scts(s);
3185 int sct_count = scts != NULL ? sk_SCT_num(scts) : 0;
3187 BIO_printf(bio, "---\nSCTs present (%i)\n", sct_count);
3188 if (sct_count > 0) {
3189 const CTLOG_STORE *log_store = SSL_CTX_get0_ctlog_store(ctx);
3191 BIO_printf(bio, "---\n");
3192 for (i = 0; i < sct_count; ++i) {
3193 SCT *sct = sk_SCT_value(scts, i);
3195 BIO_printf(bio, "SCT validation status: %s\n",
3196 SCT_validation_status_string(sct));
3197 SCT_print(sct, bio, 0, log_store);
3198 if (i < sct_count - 1)
3199 BIO_printf(bio, "\n---\n");
3201 BIO_printf(bio, "\n");
3207 "---\nSSL handshake has read %ju bytes "
3208 "and written %ju bytes\n",
3209 BIO_number_read(SSL_get_rbio(s)),
3210 BIO_number_written(SSL_get_wbio(s)));
3212 print_verify_detail(s, bio);
3213 BIO_printf(bio, (SSL_session_reused(s) ? "---\nReused, " : "---\nNew, "));
3214 c = SSL_get_current_cipher(s);
3215 BIO_printf(bio, "%s, Cipher is %s\n",
3216 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
3220 pktmp = X509_get0_pubkey(peer);
3221 BIO_printf(bio, "Server public key is %d bit\n",
3222 EVP_PKEY_bits(pktmp));
3224 BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
3225 SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
3226 #ifndef OPENSSL_NO_COMP
3227 comp = SSL_get_current_compression(s);
3228 expansion = SSL_get_current_expansion(s);
3229 BIO_printf(bio, "Compression: %s\n",
3230 comp ? SSL_COMP_get_name(comp) : "NONE");
3231 BIO_printf(bio, "Expansion: %s\n",
3232 expansion ? SSL_COMP_get_name(expansion) : "NONE");
3237 /* Print out local port of connection: useful for debugging */
3239 union BIO_sock_info_u info;
3241 sock = SSL_get_fd(s);
3242 if ((info.addr = BIO_ADDR_new()) != NULL
3243 && BIO_sock_info(sock, BIO_SOCK_INFO_ADDRESS, &info)) {
3244 BIO_printf(bio_c_out, "LOCAL PORT is %u\n",
3245 ntohs(BIO_ADDR_rawport(info.addr)));
3247 BIO_ADDR_free(info.addr);
3251 #if !defined(OPENSSL_NO_NEXTPROTONEG)
3252 if (next_proto.status != -1) {
3253 const unsigned char *proto;
3254 unsigned int proto_len;
3255 SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
3256 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
3257 BIO_write(bio, proto, proto_len);
3258 BIO_write(bio, "\n", 1);
3262 const unsigned char *proto;
3263 unsigned int proto_len;
3264 SSL_get0_alpn_selected(s, &proto, &proto_len);
3265 if (proto_len > 0) {
3266 BIO_printf(bio, "ALPN protocol: ");
3267 BIO_write(bio, proto, proto_len);
3268 BIO_write(bio, "\n", 1);
3270 BIO_printf(bio, "No ALPN negotiated\n");
3273 #ifndef OPENSSL_NO_SRTP
3275 SRTP_PROTECTION_PROFILE *srtp_profile =
3276 SSL_get_selected_srtp_profile(s);
3279 BIO_printf(bio, "SRTP Extension negotiated, profile=%s\n",
3280 srtp_profile->name);
3284 if (SSL_version(s) == TLS1_3_VERSION) {
3285 switch (SSL_get_early_data_status(s)) {
3286 case SSL_EARLY_DATA_NOT_SENT:
3287 BIO_printf(bio, "Early data was not sent\n");
3290 case SSL_EARLY_DATA_REJECTED:
3291 BIO_printf(bio, "Early data was rejected\n");
3294 case SSL_EARLY_DATA_ACCEPTED:
3295 BIO_printf(bio, "Early data was accepted\n");
3301 SSL_SESSION_print(bio, SSL_get_session(s));
3302 if (SSL_get_session(s) != NULL && keymatexportlabel != NULL) {
3303 BIO_printf(bio, "Keying material exporter:\n");
3304 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel);
3305 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen);
3306 exportedkeymat = app_malloc(keymatexportlen, "export key");
3307 if (!SSL_export_keying_material(s, exportedkeymat,
3310 strlen(keymatexportlabel),
3312 BIO_printf(bio, " Error\n");
3314 BIO_printf(bio, " Keying material: ");
3315 for (i = 0; i < keymatexportlen; i++)
3316 BIO_printf(bio, "%02X", exportedkeymat[i]);
3317 BIO_printf(bio, "\n");
3319 OPENSSL_free(exportedkeymat);
3321 BIO_printf(bio, "---\n");
3323 /* flush, or debugging output gets mixed with http response */
3324 (void)BIO_flush(bio);
3327 # ifndef OPENSSL_NO_OCSP
3328 static int ocsp_resp_cb(SSL *s, void *arg)
3330 const unsigned char *p;
3333 len = SSL_get_tlsext_status_ocsp_resp(s, &p);
3334 BIO_puts(arg, "OCSP response: ");
3336 BIO_puts(arg, "no response sent\n");
3339 rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
3341 BIO_puts(arg, "response parse error\n");
3342 BIO_dump_indent(arg, (char *)p, len, 4);
3345 BIO_puts(arg, "\n======================================\n");
3346 OCSP_RESPONSE_print(arg, rsp, 0);
3347 BIO_puts(arg, "======================================\n");
3348 OCSP_RESPONSE_free(rsp);
3353 static int ldap_ExtendedResponse_parse(const char *buf, long rem)
3355 const unsigned char *cur, *end;
3357 int tag, xclass, inf, ret = -1;
3359 cur = (const unsigned char *)buf;
3365 * LDAPMessage ::= SEQUENCE {
3366 * messageID MessageID,
3367 * protocolOp CHOICE {
3369 * extendedResp ExtendedResponse,
3371 * controls [0] Controls OPTIONAL }
3373 * ExtendedResponse ::= [APPLICATION 24] SEQUENCE {
3374 * COMPONENTS OF LDAPResult,
3375 * responseName [10] LDAPOID OPTIONAL,
3376 * responseValue [11] OCTET STRING OPTIONAL }
3378 * LDAPResult ::= SEQUENCE {
3379 * resultCode ENUMERATED {
3385 * diagnosticMessage LDAPString,
3386 * referral [3] Referral OPTIONAL }
3390 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3391 if (inf != V_ASN1_CONSTRUCTED || tag != V_ASN1_SEQUENCE ||
3392 (rem = end - cur, len > rem)) {
3393 BIO_printf(bio_err, "Unexpected LDAP response\n");
3397 rem = len; /* ensure that we don't overstep the SEQUENCE */
3399 /* pull MessageID */
3400 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3401 if (inf != V_ASN1_UNIVERSAL || tag != V_ASN1_INTEGER ||
3402 (rem = end - cur, len > rem)) {
3403 BIO_printf(bio_err, "No MessageID\n");
3407 cur += len; /* shall we check for MessageId match or just skip? */
3409 /* pull [APPLICATION 24] */
3411 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3412 if (inf != V_ASN1_CONSTRUCTED || xclass != V_ASN1_APPLICATION ||
3414 BIO_printf(bio_err, "Not ExtendedResponse\n");
3418 /* pull resultCode */
3420 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3421 if (inf != V_ASN1_UNIVERSAL || tag != V_ASN1_ENUMERATED || len == 0 ||
3422 (rem = end - cur, len > rem)) {
3423 BIO_printf(bio_err, "Not LDAPResult\n");
3427 /* len should always be one, but just in case... */
3428 for (ret = 0, inf = 0; inf < len; inf++) {
3432 /* There is more data, but we don't care... */
3437 #endif /* OPENSSL_NO_SOCK */