2 * Copyright 1995-2019 The OpenSSL Project Authors. All Rights Reserved.
3 * Copyright 2005 Nokia. All rights reserved.
5 * Licensed under the Apache License 2.0 (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/trace.h>
42 #include <openssl/async.h>
43 #ifndef OPENSSL_NO_SRP
44 # include <openssl/srp.h>
47 # include <openssl/ct.h>
51 #include "internal/sockets.h"
53 #if defined(__has_feature)
54 # if __has_feature(memory_sanitizer)
55 # include <sanitizer/msan_interface.h>
60 #define BUFSIZZ 1024*8
61 #define S_CLIENT_IRC_READ_TIMEOUT 8
64 static int c_debug = 0;
65 static int c_showcerts = 0;
66 static char *keymatexportlabel = NULL;
67 static int keymatexportlen = 20;
68 static BIO *bio_c_out = NULL;
69 static int c_quiet = 0;
70 static char *sess_out = NULL;
71 static SSL_SESSION *psksess = NULL;
73 static void print_stuff(BIO *berr, SSL *con, int full);
74 #ifndef OPENSSL_NO_OCSP
75 static int ocsp_resp_cb(SSL *s, void *arg);
77 static int ldap_ExtendedResponse_parse(const char *buf, long rem);
78 static int is_dNS_name(const char *host);
80 static int saved_errno;
82 static void save_errno(void)
88 static int restore_errno(void)
95 static void do_ssl_shutdown(SSL *ssl)
100 /* We only do unidirectional shutdown */
101 ret = SSL_shutdown(ssl);
103 switch (SSL_get_error(ssl, ret)) {
104 case SSL_ERROR_WANT_READ:
105 case SSL_ERROR_WANT_WRITE:
106 case SSL_ERROR_WANT_ASYNC:
107 case SSL_ERROR_WANT_ASYNC_JOB:
108 /* We just do busy waiting. Nothing clever */
116 /* Default PSK identity and key */
117 static char *psk_identity = "Client_identity";
119 #ifndef OPENSSL_NO_PSK
120 static unsigned int psk_client_cb(SSL *ssl, const char *hint, char *identity,
121 unsigned int max_identity_len,
123 unsigned int max_psk_len)
130 BIO_printf(bio_c_out, "psk_client_cb\n");
132 /* no ServerKeyExchange message */
134 BIO_printf(bio_c_out,
135 "NULL received PSK identity hint, continuing anyway\n");
136 } else if (c_debug) {
137 BIO_printf(bio_c_out, "Received PSK identity hint '%s'\n", hint);
141 * lookup PSK identity and PSK key based on the given identity hint here
143 ret = BIO_snprintf(identity, max_identity_len, "%s", psk_identity);
144 if (ret < 0 || (unsigned int)ret > max_identity_len)
147 BIO_printf(bio_c_out, "created identity '%s' len=%d\n", identity,
150 /* convert the PSK key to binary */
151 key = OPENSSL_hexstr2buf(psk_key, &key_len);
153 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n",
157 if (max_psk_len > INT_MAX || key_len > (long)max_psk_len) {
159 "psk buffer of callback is too small (%d) for key (%ld)\n",
160 max_psk_len, key_len);
165 memcpy(psk, key, key_len);
169 BIO_printf(bio_c_out, "created PSK len=%ld\n", key_len);
174 BIO_printf(bio_err, "Error in PSK client callback\n");
179 const unsigned char tls13_aes128gcmsha256_id[] = { 0x13, 0x01 };
180 const unsigned char tls13_aes256gcmsha384_id[] = { 0x13, 0x02 };
182 static int psk_use_session_cb(SSL *s, const EVP_MD *md,
183 const unsigned char **id, size_t *idlen,
186 SSL_SESSION *usesess = NULL;
187 const SSL_CIPHER *cipher = NULL;
189 if (psksess != NULL) {
190 SSL_SESSION_up_ref(psksess);
194 unsigned char *key = OPENSSL_hexstr2buf(psk_key, &key_len);
197 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n",
202 /* We default to SHA-256 */
203 cipher = SSL_CIPHER_find(s, tls13_aes128gcmsha256_id);
204 if (cipher == NULL) {
205 BIO_printf(bio_err, "Error finding suitable ciphersuite\n");
210 usesess = SSL_SESSION_new();
212 || !SSL_SESSION_set1_master_key(usesess, key, key_len)
213 || !SSL_SESSION_set_cipher(usesess, cipher)
214 || !SSL_SESSION_set_protocol_version(usesess, TLS1_3_VERSION)) {
221 cipher = SSL_SESSION_get0_cipher(usesess);
225 if (md != NULL && SSL_CIPHER_get_handshake_digest(cipher) != md) {
226 /* PSK not usable, ignore it */
230 SSL_SESSION_free(usesess);
233 *id = (unsigned char *)psk_identity;
234 *idlen = strlen(psk_identity);
240 SSL_SESSION_free(usesess);
244 /* This is a context that we pass to callbacks */
245 typedef struct tlsextctx_st {
250 static int ssl_servername_cb(SSL *s, int *ad, void *arg)
252 tlsextctx *p = (tlsextctx *) arg;
253 const char *hn = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
254 if (SSL_get_servername_type(s) != -1)
255 p->ack = !SSL_session_reused(s) && hn != NULL;
257 BIO_printf(bio_err, "Can't use SSL_get_servername\n");
259 return SSL_TLSEXT_ERR_OK;
262 #ifndef OPENSSL_NO_SRP
264 /* This is a context that we pass to all callbacks */
265 typedef struct srp_arg_st {
268 int msg; /* copy from c_msg */
269 int debug; /* copy from c_debug */
270 int amp; /* allow more groups */
271 int strength; /* minimal size for N */
274 static int srp_Verify_N_and_g(const BIGNUM *N, const BIGNUM *g)
276 BN_CTX *bn_ctx = BN_CTX_new();
277 BIGNUM *p = BN_new();
278 BIGNUM *r = BN_new();
280 g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) &&
281 BN_check_prime(N, bn_ctx, NULL) == 1 &&
282 p != NULL && BN_rshift1(p, N) &&
284 BN_check_prime(p, bn_ctx, NULL) == 1 &&
286 /* verify g^((N-1)/2) == -1 (mod N) */
287 BN_mod_exp(r, g, p, N, bn_ctx) &&
288 BN_add_word(r, 1) && BN_cmp(r, N) == 0;
297 * This callback is used here for two purposes:
298 * - extended debugging
299 * - making some primality tests for unknown groups
300 * The callback is only called for a non default group.
302 * An application does not need the call back at all if
303 * only the standard groups are used. In real life situations,
304 * client and server already share well known groups,
305 * thus there is no need to verify them.
306 * Furthermore, in case that a server actually proposes a group that
307 * is not one of those defined in RFC 5054, it is more appropriate
308 * to add the group to a static list and then compare since
309 * primality tests are rather cpu consuming.
312 static int ssl_srp_verify_param_cb(SSL *s, void *arg)
314 SRP_ARG *srp_arg = (SRP_ARG *)arg;
315 BIGNUM *N = NULL, *g = NULL;
317 if (((N = SSL_get_srp_N(s)) == NULL) || ((g = SSL_get_srp_g(s)) == NULL))
319 if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1) {
320 BIO_printf(bio_err, "SRP parameters:\n");
321 BIO_printf(bio_err, "\tN=");
322 BN_print(bio_err, N);
323 BIO_printf(bio_err, "\n\tg=");
324 BN_print(bio_err, g);
325 BIO_printf(bio_err, "\n");
328 if (SRP_check_known_gN_param(g, N))
331 if (srp_arg->amp == 1) {
334 "SRP param N and g are not known params, going to check deeper.\n");
337 * The srp_moregroups is a real debugging feature. Implementors
338 * should rather add the value to the known ones. The minimal size
339 * has already been tested.
341 if (BN_num_bits(g) <= BN_BITS && srp_Verify_N_and_g(N, g))
344 BIO_printf(bio_err, "SRP param N and g rejected.\n");
348 # define PWD_STRLEN 1024
350 static char *ssl_give_srp_client_pwd_cb(SSL *s, void *arg)
352 SRP_ARG *srp_arg = (SRP_ARG *)arg;
353 char *pass = app_malloc(PWD_STRLEN + 1, "SRP password buffer");
357 cb_tmp.password = (char *)srp_arg->srppassin;
358 cb_tmp.prompt_info = "SRP user";
359 if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp)) < 0) {
360 BIO_printf(bio_err, "Can't read Password\n");
371 #ifndef OPENSSL_NO_NEXTPROTONEG
372 /* This the context that we pass to next_proto_cb */
373 typedef struct tlsextnextprotoctx_st {
377 } tlsextnextprotoctx;
379 static tlsextnextprotoctx next_proto;
381 static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen,
382 const unsigned char *in, unsigned int inlen,
385 tlsextnextprotoctx *ctx = arg;
388 /* We can assume that |in| is syntactically valid. */
390 BIO_printf(bio_c_out, "Protocols advertised by server: ");
391 for (i = 0; i < inlen;) {
393 BIO_write(bio_c_out, ", ", 2);
394 BIO_write(bio_c_out, &in[i + 1], in[i]);
397 BIO_write(bio_c_out, "\n", 1);
401 SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len);
402 return SSL_TLSEXT_ERR_OK;
404 #endif /* ndef OPENSSL_NO_NEXTPROTONEG */
406 static int serverinfo_cli_parse_cb(SSL *s, unsigned int ext_type,
407 const unsigned char *in, size_t inlen,
411 unsigned char ext_buf[4 + 65536];
413 /* Reconstruct the type/len fields prior to extension data */
414 inlen &= 0xffff; /* for formal memcmpy correctness */
415 ext_buf[0] = (unsigned char)(ext_type >> 8);
416 ext_buf[1] = (unsigned char)(ext_type);
417 ext_buf[2] = (unsigned char)(inlen >> 8);
418 ext_buf[3] = (unsigned char)(inlen);
419 memcpy(ext_buf + 4, in, inlen);
421 BIO_snprintf(pem_name, sizeof(pem_name), "SERVERINFO FOR EXTENSION %d",
423 PEM_write_bio(bio_c_out, pem_name, "", ext_buf, 4 + inlen);
428 * Hex decoder that tolerates optional whitespace. Returns number of bytes
429 * produced, advances inptr to end of input string.
431 static ossl_ssize_t hexdecode(const char **inptr, void *result)
433 unsigned char **out = (unsigned char **)result;
434 const char *in = *inptr;
435 unsigned char *ret = app_malloc(strlen(in) / 2, "hexdecode");
436 unsigned char *cp = ret;
443 for (byte = 0; *in; ++in) {
446 if (isspace(_UC(*in)))
448 x = OPENSSL_hexchar2int(*in);
454 if ((nibble ^= 1) == 0) {
467 return cp - (*out = ret);
471 * Decode unsigned 0..255, returns 1 on success, <= 0 on failure. Advances
472 * inptr to next field skipping leading whitespace.
474 static ossl_ssize_t checked_uint8(const char **inptr, void *out)
476 uint8_t *result = (uint8_t *)out;
477 const char *in = *inptr;
483 v = strtol(in, &endp, 10);
486 if (((v == LONG_MIN || v == LONG_MAX) && e == ERANGE) ||
487 endp == in || !isspace(_UC(*endp)) ||
488 v != (*result = (uint8_t) v)) {
491 for (in = endp; isspace(_UC(*in)); ++in)
501 ossl_ssize_t (*parser)(const char **, void *);
504 static int tlsa_import_rr(SSL *con, const char *rrdata)
506 /* Not necessary to re-init these values; the "parsers" do that. */
507 static uint8_t usage;
508 static uint8_t selector;
509 static uint8_t mtype;
510 static unsigned char *data;
511 static struct tlsa_field tlsa_fields[] = {
512 { &usage, "usage", checked_uint8 },
513 { &selector, "selector", checked_uint8 },
514 { &mtype, "mtype", checked_uint8 },
515 { &data, "data", hexdecode },
518 struct tlsa_field *f;
520 const char *cp = rrdata;
521 ossl_ssize_t len = 0;
523 for (f = tlsa_fields; f->var; ++f) {
524 /* Returns number of bytes produced, advances cp to next field */
525 if ((len = f->parser(&cp, f->var)) <= 0) {
526 BIO_printf(bio_err, "%s: warning: bad TLSA %s field in: %s\n",
527 prog, f->name, rrdata);
531 /* The data field is last, so len is its length */
532 ret = SSL_dane_tlsa_add(con, usage, selector, mtype, data, len);
536 ERR_print_errors(bio_err);
537 BIO_printf(bio_err, "%s: warning: unusable TLSA rrdata: %s\n",
542 ERR_print_errors(bio_err);
543 BIO_printf(bio_err, "%s: warning: error loading TLSA rrdata: %s\n",
550 static int tlsa_import_rrset(SSL *con, STACK_OF(OPENSSL_STRING) *rrset)
552 int num = sk_OPENSSL_STRING_num(rrset);
556 for (i = 0; i < num; ++i) {
557 char *rrdata = sk_OPENSSL_STRING_value(rrset, i);
558 if (tlsa_import_rr(con, rrdata) > 0)
564 typedef enum OPTION_choice {
565 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
566 OPT_4, OPT_6, OPT_HOST, OPT_PORT, OPT_CONNECT, OPT_BIND, OPT_UNIX,
567 OPT_XMPPHOST, OPT_VERIFY, OPT_NAMEOPT,
568 OPT_CERT, OPT_CRL, OPT_CRL_DOWNLOAD, OPT_SESS_OUT, OPT_SESS_IN,
569 OPT_CERTFORM, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET,
570 OPT_BRIEF, OPT_PREXIT, OPT_CRLF, OPT_QUIET, OPT_NBIO,
571 OPT_SSL_CLIENT_ENGINE, OPT_IGN_EOF, OPT_NO_IGN_EOF,
572 OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_WDEBUG,
573 OPT_MSG, OPT_MSGFILE, OPT_ENGINE, OPT_TRACE, OPT_SECURITY_DEBUG,
574 OPT_SECURITY_DEBUG_VERBOSE, OPT_SHOWCERTS, OPT_NBIO_TEST, OPT_STATE,
575 OPT_PSK_IDENTITY, OPT_PSK, OPT_PSK_SESS,
576 #ifndef OPENSSL_NO_SRP
577 OPT_SRPUSER, OPT_SRPPASS, OPT_SRP_STRENGTH, OPT_SRP_LATEUSER,
580 OPT_SSL3, OPT_SSL_CONFIG,
581 OPT_TLS1_3, OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1,
582 OPT_DTLS1_2, OPT_SCTP, OPT_TIMEOUT, OPT_MTU, OPT_KEYFORM, OPT_PASS,
583 OPT_CERT_CHAIN, OPT_KEY, OPT_RECONNECT, OPT_BUILD_CHAIN,
584 OPT_NEXTPROTONEG, OPT_ALPN,
585 OPT_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH,
586 OPT_CAFILE, OPT_NOCAFILE, OPT_CHAINCAFILE, OPT_VERIFYCAFILE,
587 OPT_CASTORE, OPT_NOCASTORE, OPT_CHAINCASTORE, OPT_VERIFYCASTORE,
588 OPT_SERVERINFO, OPT_STARTTLS, OPT_SERVERNAME, OPT_NOSERVERNAME, OPT_ASYNC,
589 OPT_USE_SRTP, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN, OPT_PROTOHOST,
590 OPT_MAXFRAGLEN, OPT_MAX_SEND_FRAG, OPT_SPLIT_SEND_FRAG, OPT_MAX_PIPELINES,
591 OPT_READ_BUF, OPT_KEYLOG_FILE, OPT_EARLY_DATA, OPT_REQCAFILE,
595 OPT_FALLBACKSCSV, OPT_NOCMDS, OPT_PROXY, OPT_PROXY_USER, OPT_PROXY_PASS,
596 OPT_DANE_TLSA_DOMAIN,
597 #ifndef OPENSSL_NO_CT
598 OPT_CT, OPT_NOCT, OPT_CTLOG_FILE,
600 OPT_DANE_TLSA_RRDATA, OPT_DANE_EE_NO_NAME,
606 const OPTIONS s_client_options[] = {
607 {OPT_HELP_STR, 1, '-', "Usage: %s [options] [host:port]\n"},
609 OPT_SECTION("General"),
610 {"help", OPT_HELP, '-', "Display this summary"},
611 #ifndef OPENSSL_NO_ENGINE
612 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
613 {"ssl_client_engine", OPT_SSL_CLIENT_ENGINE, 's',
614 "Specify engine to be used for client certificate operations"},
616 {"ssl_config", OPT_SSL_CONFIG, 's', "Use specified section for SSL_CTX configuration"},
617 #ifndef OPENSSL_NO_CT
618 {"ct", OPT_CT, '-', "Request and parse SCTs (also enables OCSP stapling)"},
619 {"noct", OPT_NOCT, '-', "Do not request or parse SCTs (default)"},
620 {"ctlogfile", OPT_CTLOG_FILE, '<', "CT log list CONF file"},
623 OPT_SECTION("Network"),
624 {"host", OPT_HOST, 's', "Use -connect instead"},
625 {"port", OPT_PORT, 'p', "Use -connect instead"},
626 {"connect", OPT_CONNECT, 's',
627 "TCP/IP where to connect (default is :" PORT ")"},
628 {"bind", OPT_BIND, 's', "bind local address for connection"},
629 {"proxy", OPT_PROXY, 's',
630 "Connect to via specified proxy to the real server"},
631 {"proxy_user", OPT_PROXY_USER, 's', "UserID for proxy authentication"},
632 {"proxy_pass", OPT_PROXY_PASS, 's', "Proxy authentication password source"},
634 {"unix", OPT_UNIX, 's', "Connect over the specified Unix-domain socket"},
636 {"4", OPT_4, '-', "Use IPv4 only"},
638 {"6", OPT_6, '-', "Use IPv6 only"},
640 {"maxfraglen", OPT_MAXFRAGLEN, 'p',
641 "Enable Maximum Fragment Length Negotiation (len values: 512, 1024, 2048 and 4096)"},
642 {"max_send_frag", OPT_MAX_SEND_FRAG, 'p', "Maximum Size of send frames "},
643 {"split_send_frag", OPT_SPLIT_SEND_FRAG, 'p',
644 "Size used to split data for encrypt pipelines"},
645 {"max_pipelines", OPT_MAX_PIPELINES, 'p',
646 "Maximum number of encrypt/decrypt pipelines to be used"},
647 {"read_buf", OPT_READ_BUF, 'p',
648 "Default read buffer size to be used for connections"},
649 {"fallback_scsv", OPT_FALLBACKSCSV, '-', "Send the fallback SCSV"},
651 OPT_SECTION("Identity"),
652 {"verify", OPT_VERIFY, 'p', "Turn on peer certificate verification"},
653 {"cert", OPT_CERT, '<', "Certificate file to use, PEM format assumed"},
654 {"certform", OPT_CERTFORM, 'F',
655 "Certificate format (PEM or DER) PEM default"},
656 {"nameopt", OPT_NAMEOPT, 's', "Various certificate name options"},
657 {"key", OPT_KEY, 's', "Private key file to use, if not in -cert file"},
658 {"keyform", OPT_KEYFORM, 'E', "Key format (PEM, DER or engine) PEM default"},
659 {"pass", OPT_PASS, 's', "Private key file pass phrase source"},
660 {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
661 {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
662 {"CAstore", OPT_CAFILE, ':', "URI to store of CA's"},
663 {"no-CAfile", OPT_NOCAFILE, '-',
664 "Do not load the default certificates file"},
665 {"no-CApath", OPT_NOCAPATH, '-',
666 "Do not load certificates from the default certificates directory"},
667 {"no-CAstore", OPT_NOCAPATH, '-',
668 "Do not load certificates from the default certificates store"},
669 {"requestCAfile", OPT_REQCAFILE, '<',
670 "PEM format file of CA names to send to the server"},
671 {"dane_tlsa_domain", OPT_DANE_TLSA_DOMAIN, 's', "DANE TLSA base domain"},
672 {"dane_tlsa_rrdata", OPT_DANE_TLSA_RRDATA, 's',
673 "DANE TLSA rrdata presentation form"},
674 {"dane_ee_no_namechecks", OPT_DANE_EE_NO_NAME, '-',
675 "Disable name checks when matching DANE-EE(3) TLSA records"},
676 {"psk_identity", OPT_PSK_IDENTITY, 's', "PSK identity"},
677 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"},
678 {"psk_session", OPT_PSK_SESS, '<', "File to read PSK SSL session from"},
679 {"name", OPT_PROTOHOST, 's',
680 "Hostname to use for \"-starttls lmtp\", \"-starttls smtp\" or \"-starttls xmpp[-server]\""},
682 OPT_SECTION("Session"),
683 {"reconnect", OPT_RECONNECT, '-',
684 "Drop and re-make the connection with the same Session-ID"},
685 {"sess_out", OPT_SESS_OUT, '>', "File to write SSL session to"},
686 {"sess_in", OPT_SESS_IN, '<', "File to read SSL session from"},
688 OPT_SECTION("Input/Output"),
689 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"},
690 {"quiet", OPT_QUIET, '-', "No s_client output"},
691 {"ign_eof", OPT_IGN_EOF, '-', "Ignore input eof (default when -quiet)"},
692 {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Don't ignore input eof"},
693 {"starttls", OPT_STARTTLS, 's',
694 "Use the appropriate STARTTLS command before starting TLS"},
695 {"xmpphost", OPT_XMPPHOST, 's',
696 "Alias of -name option for \"-starttls xmpp[-server]\""},
697 {"brief", OPT_BRIEF, '-',
698 "Restrict output to brief summary of connection parameters"},
699 {"prexit", OPT_PREXIT, '-',
700 "Print session information when the program exits"},
702 OPT_SECTION("Debug"),
703 {"showcerts", OPT_SHOWCERTS, '-',
704 "Show all certificates sent by the server"},
705 {"debug", OPT_DEBUG, '-', "Extra output"},
706 {"msg", OPT_MSG, '-', "Show protocol messages"},
707 {"msgfile", OPT_MSGFILE, '>',
708 "File to send output of -msg or -trace, instead of stdout"},
709 {"nbio_test", OPT_NBIO_TEST, '-', "More ssl protocol testing"},
710 {"state", OPT_STATE, '-', "Print the ssl states"},
711 {"keymatexport", OPT_KEYMATEXPORT, 's',
712 "Export keying material using label"},
713 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
714 "Export len bytes of keying material (default 20)"},
715 {"security_debug", OPT_SECURITY_DEBUG, '-',
716 "Enable security debug messages"},
717 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-',
718 "Output more security debug output"},
719 #ifndef OPENSSL_NO_SSL_TRACE
720 {"trace", OPT_TRACE, '-', "Show trace output of protocol messages"},
723 {"wdebug", OPT_WDEBUG, '-', "WATT-32 tcp debugging"},
725 {"keylogfile", OPT_KEYLOG_FILE, '>', "Write TLS secrets to file"},
726 {"nocommands", OPT_NOCMDS, '-', "Do not use interactive command letters"},
727 {"servername", OPT_SERVERNAME, 's',
728 "Set TLS extension servername (SNI) in ClientHello (default)"},
729 {"noservername", OPT_NOSERVERNAME, '-',
730 "Do not send the server name (SNI) extension in the ClientHello"},
731 {"tlsextdebug", OPT_TLSEXTDEBUG, '-',
732 "Hex dump of all TLS extensions received"},
733 #ifndef OPENSSL_NO_OCSP
734 {"status", OPT_STATUS, '-', "Request certificate status from server"},
736 {"serverinfo", OPT_SERVERINFO, 's',
737 "types Send empty ClientHello extensions (comma-separated numbers)"},
738 {"alpn", OPT_ALPN, 's',
739 "Enable ALPN extension, considering named protocols supported (comma-separated list)"},
740 {"async", OPT_ASYNC, '-', "Support asynchronous operation"},
741 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"},
743 OPT_SECTION("Protocol and version"),
744 #ifndef OPENSSL_NO_SSL3
745 {"ssl3", OPT_SSL3, '-', "Just use SSLv3"},
747 #ifndef OPENSSL_NO_TLS1
748 {"tls1", OPT_TLS1, '-', "Just use TLSv1"},
750 #ifndef OPENSSL_NO_TLS1_1
751 {"tls1_1", OPT_TLS1_1, '-', "Just use TLSv1.1"},
753 #ifndef OPENSSL_NO_TLS1_2
754 {"tls1_2", OPT_TLS1_2, '-', "Just use TLSv1.2"},
756 #ifndef OPENSSL_NO_TLS1_3
757 {"tls1_3", OPT_TLS1_3, '-', "Just use TLSv1.3"},
759 #ifndef OPENSSL_NO_DTLS
760 {"dtls", OPT_DTLS, '-', "Use any version of DTLS"},
761 {"timeout", OPT_TIMEOUT, '-',
762 "Enable send/receive timeout on DTLS connections"},
763 {"mtu", OPT_MTU, 'p', "Set the link layer MTU"},
765 #ifndef OPENSSL_NO_DTLS1
766 {"dtls1", OPT_DTLS1, '-', "Just use DTLSv1"},
768 #ifndef OPENSSL_NO_DTLS1_2
769 {"dtls1_2", OPT_DTLS1_2, '-', "Just use DTLSv1.2"},
771 #ifndef OPENSSL_NO_SCTP
772 {"sctp", OPT_SCTP, '-', "Use SCTP"},
773 {"sctp_label_bug", OPT_SCTP_LABEL_BUG, '-', "Enable SCTP label length bug"},
775 #ifndef OPENSSL_NO_NEXTPROTONEG
776 {"nextprotoneg", OPT_NEXTPROTONEG, 's',
777 "Enable NPN extension, considering named protocols supported (comma-separated list)"},
779 {"early_data", OPT_EARLY_DATA, '<', "File to send as early data"},
780 {"enable_pha", OPT_ENABLE_PHA, '-', "Enable post-handshake-authentication"},
781 #ifndef OPENSSL_NO_SRTP
782 {"use_srtp", OPT_USE_SRTP, 's',
783 "Offer SRTP key management with a colon-separated profile list"},
785 #ifndef OPENSSL_NO_SRP
786 {"srpuser", OPT_SRPUSER, 's', "SRP authentication for 'user'"},
787 {"srppass", OPT_SRPPASS, 's', "Password for 'user'"},
788 {"srp_lateuser", OPT_SRP_LATEUSER, '-',
789 "SRP username into second ClientHello message"},
790 {"srp_moregroups", OPT_SRP_MOREGROUPS, '-',
791 "Tolerate other than the known g N values."},
792 {"srp_strength", OPT_SRP_STRENGTH, 'p', "Minimal length in bits for N"},
798 {"CRL", OPT_CRL, '<', "CRL file to use"},
799 {"crl_download", OPT_CRL_DOWNLOAD, '-', "Download CRL from distribution points"},
800 {"CRLform", OPT_CRLFORM, 'F', "CRL format (PEM or DER) PEM is default"},
801 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-',
802 "Close connection on verification error"},
803 {"verify_quiet", OPT_VERIFY_QUIET, '-', "Restrict verify output to errors"},
804 {"cert_chain", OPT_CERT_CHAIN, '<',
805 "Certificate chain file (in PEM format)"},
806 {"chainCApath", OPT_CHAINCAPATH, '/',
807 "Use dir as certificate store path to build CA certificate chain"},
808 {"chainCAstore", OPT_CHAINCASTORE, ':',
809 "CA store URI for certificate chain"},
810 {"verifyCAfile", OPT_VERIFYCAFILE, '<',
811 "CA file for certificate verification (PEM format)"},
812 {"verifyCApath", OPT_VERIFYCAPATH, '/',
813 "Use dir as certificate store path to verify CA certificate"},
814 {"verifyCAstore", OPT_VERIFYCASTORE, ':',
815 "CA store URI for certificate verification"},
816 {"build_chain", OPT_BUILD_CHAIN, '-', "Build certificate chain"},
817 {"chainCAfile", OPT_CHAINCAFILE, '<',
818 "CA file for certificate chain (PEM format)"},
822 {"host:port", 0, 0, "Where to connect; same as -connect option"},
826 typedef enum PROTOCOL_choice {
845 static const OPT_PAIR services[] = {
846 {"smtp", PROTO_SMTP},
847 {"pop3", PROTO_POP3},
848 {"imap", PROTO_IMAP},
850 {"xmpp", PROTO_XMPP},
851 {"xmpp-server", PROTO_XMPP_SERVER},
852 {"telnet", PROTO_TELNET},
854 {"mysql", PROTO_MYSQL},
855 {"postgres", PROTO_POSTGRES},
856 {"lmtp", PROTO_LMTP},
857 {"nntp", PROTO_NNTP},
858 {"sieve", PROTO_SIEVE},
859 {"ldap", PROTO_LDAP},
863 #define IS_INET_FLAG(o) \
864 (o == OPT_4 || o == OPT_6 || o == OPT_HOST || o == OPT_PORT || o == OPT_CONNECT)
865 #define IS_UNIX_FLAG(o) (o == OPT_UNIX)
867 #define IS_PROT_FLAG(o) \
868 (o == OPT_SSL3 || o == OPT_TLS1 || o == OPT_TLS1_1 || o == OPT_TLS1_2 \
869 || o == OPT_TLS1_3 || o == OPT_DTLS || o == OPT_DTLS1 || o == OPT_DTLS1_2)
871 /* Free |*dest| and optionally set it to a copy of |source|. */
872 static void freeandcopy(char **dest, const char *source)
877 *dest = OPENSSL_strdup(source);
880 static int new_session_cb(SSL *s, SSL_SESSION *sess)
883 if (sess_out != NULL) {
884 BIO *stmp = BIO_new_file(sess_out, "w");
887 BIO_printf(bio_err, "Error writing session file %s\n", sess_out);
889 PEM_write_bio_SSL_SESSION(stmp, sess);
895 * Session data gets dumped on connection for TLSv1.2 and below, and on
896 * arrival of the NewSessionTicket for TLSv1.3.
898 if (SSL_version(s) == TLS1_3_VERSION) {
899 BIO_printf(bio_c_out,
900 "---\nPost-Handshake New Session Ticket arrived:\n");
901 SSL_SESSION_print(bio_c_out, sess);
902 BIO_printf(bio_c_out, "---\n");
906 * We always return a "fail" response so that the session gets freed again
907 * because we haven't used the reference.
912 int s_client_main(int argc, char **argv)
915 EVP_PKEY *key = NULL;
918 STACK_OF(X509) *chain = NULL;
920 X509_VERIFY_PARAM *vpm = NULL;
921 SSL_EXCERT *exc = NULL;
922 SSL_CONF_CTX *cctx = NULL;
923 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
924 char *dane_tlsa_domain = NULL;
925 STACK_OF(OPENSSL_STRING) *dane_tlsa_rrset = NULL;
926 int dane_ee_no_name = 0;
927 STACK_OF(X509_CRL) *crls = NULL;
928 const SSL_METHOD *meth = TLS_client_method();
929 const char *CApath = NULL, *CAfile = NULL, *CAstore = NULL;
930 char *cbuf = NULL, *sbuf = NULL, *mbuf = NULL;
931 char *proxystr = NULL, *proxyuser = NULL;
932 char *proxypassarg = NULL, *proxypass = NULL;
933 char *connectstr = NULL, *bindstr = NULL;
934 char *cert_file = NULL, *key_file = NULL, *chain_file = NULL;
935 char *chCApath = NULL, *chCAfile = NULL, *chCAstore = NULL, *host = NULL;
936 char *port = OPENSSL_strdup(PORT);
937 char *bindhost = NULL, *bindport = NULL;
938 char *passarg = NULL, *pass = NULL;
939 char *vfyCApath = NULL, *vfyCAfile = NULL, *vfyCAstore = NULL;
940 char *ReqCAfile = NULL;
941 char *sess_in = NULL, *crl_file = NULL, *p;
942 const char *protohost = NULL;
943 struct timeval timeout, *timeoutp;
944 fd_set readfds, writefds;
945 int noCApath = 0, noCAfile = 0, noCAstore = 0;
946 int build_chain = 0, cbuf_len, cbuf_off, cert_format = FORMAT_PEM;
947 int key_format = FORMAT_PEM, crlf = 0, full_log = 1, mbuf_len = 0;
950 int reconnect = 0, verify = SSL_VERIFY_NONE, vpmtouched = 0;
951 int ret = 1, in_init = 1, i, nbio_test = 0, sock = -1, k, width, state = 0;
952 int sbuf_len, sbuf_off, cmdletters = 1;
953 int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM, protocol = 0;
954 int starttls_proto = PROTO_OFF, crl_format = FORMAT_PEM, crl_download = 0;
955 int write_tty, read_tty, write_ssl, read_ssl, tty_on, ssl_pending;
956 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
959 int read_buf_len = 0;
960 int fallback_scsv = 0;
962 #ifndef OPENSSL_NO_DTLS
963 int enable_timeouts = 0;
966 #ifndef OPENSSL_NO_ENGINE
967 ENGINE *ssl_client_engine = NULL;
970 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
973 const char *servername = NULL;
974 int noservername = 0;
975 const char *alpn_in = NULL;
976 tlsextctx tlsextcbp = { NULL, 0 };
977 const char *ssl_config = NULL;
978 #define MAX_SI_TYPES 100
979 unsigned short serverinfo_types[MAX_SI_TYPES];
980 int serverinfo_count = 0, start = 0, len;
981 #ifndef OPENSSL_NO_NEXTPROTONEG
982 const char *next_proto_neg_in = NULL;
984 #ifndef OPENSSL_NO_SRP
985 char *srppass = NULL;
986 int srp_lateuser = 0;
987 SRP_ARG srp_arg = { NULL, NULL, 0, 0, 0, 1024 };
989 #ifndef OPENSSL_NO_SRTP
990 char *srtp_profiles = NULL;
992 #ifndef OPENSSL_NO_CT
993 char *ctlog_file = NULL;
994 int ct_validation = 0;
996 int min_version = 0, max_version = 0, prot_opt = 0, no_prot_opt = 0;
998 unsigned int max_send_fragment = 0;
999 unsigned int split_send_fragment = 0, max_pipelines = 0;
1000 enum { use_inet, use_unix, use_unknown } connect_type = use_unknown;
1002 uint8_t maxfraglen = 0;
1003 int c_nbio = 0, c_msg = 0, c_ign_eof = 0, c_brief = 0;
1004 int c_tlsextdebug = 0;
1005 #ifndef OPENSSL_NO_OCSP
1006 int c_status_req = 0;
1008 BIO *bio_c_msg = NULL;
1009 const char *keylog_file = NULL, *early_data_file = NULL;
1010 #ifndef OPENSSL_NO_DTLS
1013 char *psksessf = NULL;
1015 #ifndef OPENSSL_NO_SCTP
1016 int sctp_label_bug = 0;
1021 /* Known false-positive of MemorySanitizer. */
1022 #if defined(__has_feature)
1023 # if __has_feature(memory_sanitizer)
1024 __msan_unpoison(&readfds, sizeof(readfds));
1025 __msan_unpoison(&writefds, sizeof(writefds));
1029 prog = opt_progname(argv[0]);
1034 vpm = X509_VERIFY_PARAM_new();
1035 cctx = SSL_CONF_CTX_new();
1037 if (vpm == NULL || cctx == NULL) {
1038 BIO_printf(bio_err, "%s: out of memory\n", prog);
1042 cbuf = app_malloc(BUFSIZZ, "cbuf");
1043 sbuf = app_malloc(BUFSIZZ, "sbuf");
1044 mbuf = app_malloc(BUFSIZZ, "mbuf");
1046 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT | SSL_CONF_FLAG_CMDLINE);
1048 prog = opt_init(argc, argv, s_client_options);
1049 while ((o = opt_next()) != OPT_EOF) {
1050 /* Check for intermixing flags. */
1051 if (connect_type == use_unix && IS_INET_FLAG(o)) {
1053 "%s: Intermixed protocol flags (unix and internet domains)\n",
1057 if (connect_type == use_inet && IS_UNIX_FLAG(o)) {
1059 "%s: Intermixed protocol flags (internet and unix domains)\n",
1064 if (IS_PROT_FLAG(o) && ++prot_opt > 1) {
1065 BIO_printf(bio_err, "Cannot supply multiple protocol flags\n");
1068 if (IS_NO_PROT_FLAG(o))
1070 if (prot_opt == 1 && no_prot_opt) {
1072 "Cannot supply both a protocol flag and '-no_<prot>'\n");
1080 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
1083 opt_help(s_client_options);
1087 connect_type = use_inet;
1088 socket_family = AF_INET;
1093 connect_type = use_inet;
1094 socket_family = AF_INET6;
1099 connect_type = use_inet;
1100 freeandcopy(&host, opt_arg());
1103 connect_type = use_inet;
1104 freeandcopy(&port, opt_arg());
1107 connect_type = use_inet;
1108 freeandcopy(&connectstr, opt_arg());
1111 freeandcopy(&bindstr, opt_arg());
1114 proxystr = opt_arg();
1115 starttls_proto = PROTO_CONNECT;
1117 case OPT_PROXY_USER:
1118 proxyuser = opt_arg();
1120 case OPT_PROXY_PASS:
1121 proxypassarg = opt_arg();
1125 connect_type = use_unix;
1126 socket_family = AF_UNIX;
1127 freeandcopy(&host, opt_arg());
1131 /* fall through, since this is an alias */
1133 protohost = opt_arg();
1136 verify = SSL_VERIFY_PEER;
1137 verify_args.depth = atoi(opt_arg());
1139 BIO_printf(bio_err, "verify depth is %d\n", verify_args.depth);
1142 cert_file = opt_arg();
1145 if (!set_nameopt(opt_arg()))
1149 crl_file = opt_arg();
1151 case OPT_CRL_DOWNLOAD:
1155 sess_out = opt_arg();
1158 sess_in = opt_arg();
1161 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &cert_format))
1165 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
1168 case OPT_VERIFY_RET_ERROR:
1169 verify = SSL_VERIFY_PEER;
1170 verify_args.return_error = 1;
1172 case OPT_VERIFY_QUIET:
1173 verify_args.quiet = 1;
1176 c_brief = verify_args.quiet = c_quiet = 1;
1179 if (ssl_args == NULL)
1180 ssl_args = sk_OPENSSL_STRING_new_null();
1181 if (ssl_args == NULL
1182 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
1183 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
1184 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1189 if (!opt_verify(o, vpm))
1194 if (!args_excert(o, &exc))
1204 c_quiet = c_ign_eof = 1;
1213 e = setup_engine(opt_arg(), 1);
1215 case OPT_SSL_CLIENT_ENGINE:
1216 #ifndef OPENSSL_NO_ENGINE
1217 ssl_client_engine = ENGINE_by_id(opt_arg());
1218 if (ssl_client_engine == NULL) {
1219 BIO_printf(bio_err, "Error getting client auth engine\n");
1231 case OPT_NO_IGN_EOF:
1237 case OPT_TLSEXTDEBUG:
1241 #ifndef OPENSSL_NO_OCSP
1254 bio_c_msg = BIO_new_file(opt_arg(), "w");
1257 #ifndef OPENSSL_NO_SSL_TRACE
1261 case OPT_SECURITY_DEBUG:
1264 case OPT_SECURITY_DEBUG_VERBOSE:
1276 case OPT_PSK_IDENTITY:
1277 psk_identity = opt_arg();
1280 for (p = psk_key = opt_arg(); *p; p++) {
1281 if (isxdigit(_UC(*p)))
1283 BIO_printf(bio_err, "Not a hex number '%s'\n", psk_key);
1288 psksessf = opt_arg();
1290 #ifndef OPENSSL_NO_SRP
1292 srp_arg.srplogin = opt_arg();
1293 if (min_version < TLS1_VERSION)
1294 min_version = TLS1_VERSION;
1297 srppass = opt_arg();
1298 if (min_version < TLS1_VERSION)
1299 min_version = TLS1_VERSION;
1301 case OPT_SRP_STRENGTH:
1302 srp_arg.strength = atoi(opt_arg());
1303 BIO_printf(bio_err, "SRP minimal length for N is %d\n",
1305 if (min_version < TLS1_VERSION)
1306 min_version = TLS1_VERSION;
1308 case OPT_SRP_LATEUSER:
1310 if (min_version < TLS1_VERSION)
1311 min_version = TLS1_VERSION;
1313 case OPT_SRP_MOREGROUPS:
1315 if (min_version < TLS1_VERSION)
1316 min_version = TLS1_VERSION;
1319 case OPT_SSL_CONFIG:
1320 ssl_config = opt_arg();
1323 min_version = SSL3_VERSION;
1324 max_version = SSL3_VERSION;
1327 min_version = TLS1_3_VERSION;
1328 max_version = TLS1_3_VERSION;
1331 min_version = TLS1_2_VERSION;
1332 max_version = TLS1_2_VERSION;
1335 min_version = TLS1_1_VERSION;
1336 max_version = TLS1_1_VERSION;
1339 min_version = TLS1_VERSION;
1340 max_version = TLS1_VERSION;
1343 #ifndef OPENSSL_NO_DTLS
1344 meth = DTLS_client_method();
1345 socket_type = SOCK_DGRAM;
1350 #ifndef OPENSSL_NO_DTLS1
1351 meth = DTLS_client_method();
1352 min_version = DTLS1_VERSION;
1353 max_version = DTLS1_VERSION;
1354 socket_type = SOCK_DGRAM;
1359 #ifndef OPENSSL_NO_DTLS1_2
1360 meth = DTLS_client_method();
1361 min_version = DTLS1_2_VERSION;
1362 max_version = DTLS1_2_VERSION;
1363 socket_type = SOCK_DGRAM;
1368 #ifndef OPENSSL_NO_SCTP
1369 protocol = IPPROTO_SCTP;
1372 case OPT_SCTP_LABEL_BUG:
1373 #ifndef OPENSSL_NO_SCTP
1378 #ifndef OPENSSL_NO_DTLS
1379 enable_timeouts = 1;
1383 #ifndef OPENSSL_NO_DTLS
1384 socket_mtu = atol(opt_arg());
1387 case OPT_FALLBACKSCSV:
1391 if (!opt_format(opt_arg(), OPT_FMT_PDE, &key_format))
1395 passarg = opt_arg();
1397 case OPT_CERT_CHAIN:
1398 chain_file = opt_arg();
1401 key_file = opt_arg();
1412 case OPT_CHAINCAPATH:
1413 chCApath = opt_arg();
1415 case OPT_VERIFYCAPATH:
1416 vfyCApath = opt_arg();
1418 case OPT_BUILD_CHAIN:
1422 ReqCAfile = opt_arg();
1430 #ifndef OPENSSL_NO_CT
1437 case OPT_CTLOG_FILE:
1438 ctlog_file = opt_arg();
1441 case OPT_CHAINCAFILE:
1442 chCAfile = opt_arg();
1444 case OPT_VERIFYCAFILE:
1445 vfyCAfile = opt_arg();
1448 CAstore = opt_arg();
1453 case OPT_CHAINCASTORE:
1454 chCAstore = opt_arg();
1456 case OPT_VERIFYCASTORE:
1457 vfyCAstore = opt_arg();
1459 case OPT_DANE_TLSA_DOMAIN:
1460 dane_tlsa_domain = opt_arg();
1462 case OPT_DANE_TLSA_RRDATA:
1463 if (dane_tlsa_rrset == NULL)
1464 dane_tlsa_rrset = sk_OPENSSL_STRING_new_null();
1465 if (dane_tlsa_rrset == NULL ||
1466 !sk_OPENSSL_STRING_push(dane_tlsa_rrset, opt_arg())) {
1467 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1471 case OPT_DANE_EE_NO_NAME:
1472 dane_ee_no_name = 1;
1474 case OPT_NEXTPROTONEG:
1475 #ifndef OPENSSL_NO_NEXTPROTONEG
1476 next_proto_neg_in = opt_arg();
1480 alpn_in = opt_arg();
1482 case OPT_SERVERINFO:
1485 for (start = 0, i = 0; i <= len; ++i) {
1486 if (i == len || p[i] == ',') {
1487 serverinfo_types[serverinfo_count] = atoi(p + start);
1488 if (++serverinfo_count == MAX_SI_TYPES)
1495 if (!opt_pair(opt_arg(), services, &starttls_proto))
1498 case OPT_SERVERNAME:
1499 servername = opt_arg();
1501 case OPT_NOSERVERNAME:
1505 #ifndef OPENSSL_NO_SRTP
1506 srtp_profiles = opt_arg();
1509 case OPT_KEYMATEXPORT:
1510 keymatexportlabel = opt_arg();
1512 case OPT_KEYMATEXPORTLEN:
1513 keymatexportlen = atoi(opt_arg());
1518 case OPT_MAXFRAGLEN:
1519 len = atoi(opt_arg());
1522 maxfraglen = TLSEXT_max_fragment_length_512;
1525 maxfraglen = TLSEXT_max_fragment_length_1024;
1528 maxfraglen = TLSEXT_max_fragment_length_2048;
1531 maxfraglen = TLSEXT_max_fragment_length_4096;
1535 "%s: Max Fragment Len %u is out of permitted values",
1540 case OPT_MAX_SEND_FRAG:
1541 max_send_fragment = atoi(opt_arg());
1543 case OPT_SPLIT_SEND_FRAG:
1544 split_send_fragment = atoi(opt_arg());
1546 case OPT_MAX_PIPELINES:
1547 max_pipelines = atoi(opt_arg());
1550 read_buf_len = atoi(opt_arg());
1552 case OPT_KEYLOG_FILE:
1553 keylog_file = opt_arg();
1555 case OPT_EARLY_DATA:
1556 early_data_file = opt_arg();
1558 case OPT_ENABLE_PHA:
1564 if (count4or6 >= 2) {
1565 BIO_printf(bio_err, "%s: Can't use both -4 and -6\n", prog);
1569 if (servername != NULL) {
1571 "%s: Can't use -servername and -noservername together\n",
1575 if (dane_tlsa_domain != NULL) {
1577 "%s: Can't use -dane_tlsa_domain and -noservername together\n",
1582 argc = opt_num_rest();
1584 /* If there's a positional argument, it's the equivalent of
1586 * Don't allow -connect and a separate argument.
1588 if (connectstr != NULL) {
1590 "%s: must not provide both -connect option and target parameter\n",
1594 connect_type = use_inet;
1595 freeandcopy(&connectstr, *opt_rest());
1596 } else if (argc != 0) {
1600 #ifndef OPENSSL_NO_NEXTPROTONEG
1601 if (min_version == TLS1_3_VERSION && next_proto_neg_in != NULL) {
1602 BIO_printf(bio_err, "Cannot supply -nextprotoneg with TLSv1.3\n");
1606 if (proxystr != NULL) {
1608 char *tmp_host = host, *tmp_port = port;
1609 if (connectstr == NULL) {
1610 BIO_printf(bio_err, "%s: -proxy requires use of -connect or target parameter\n", prog);
1613 res = BIO_parse_hostserv(proxystr, &host, &port, BIO_PARSE_PRIO_HOST);
1614 if (tmp_host != host)
1615 OPENSSL_free(tmp_host);
1616 if (tmp_port != port)
1617 OPENSSL_free(tmp_port);
1620 "%s: -proxy argument malformed or ambiguous\n", prog);
1625 char *tmp_host = host, *tmp_port = port;
1626 if (connectstr != NULL)
1627 res = BIO_parse_hostserv(connectstr, &host, &port,
1628 BIO_PARSE_PRIO_HOST);
1629 if (tmp_host != host)
1630 OPENSSL_free(tmp_host);
1631 if (tmp_port != port)
1632 OPENSSL_free(tmp_port);
1635 "%s: -connect argument or target parameter malformed or ambiguous\n",
1641 if (bindstr != NULL) {
1643 res = BIO_parse_hostserv(bindstr, &bindhost, &bindport,
1644 BIO_PARSE_PRIO_HOST);
1647 "%s: -bind argument parameter malformed or ambiguous\n",
1654 if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) {
1656 "Can't use unix sockets and datagrams together\n");
1661 #ifndef OPENSSL_NO_SCTP
1662 if (protocol == IPPROTO_SCTP) {
1663 if (socket_type != SOCK_DGRAM) {
1664 BIO_printf(bio_err, "Can't use -sctp without DTLS\n");
1667 /* SCTP is unusual. It uses DTLS over a SOCK_STREAM protocol */
1668 socket_type = SOCK_STREAM;
1672 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1673 next_proto.status = -1;
1674 if (next_proto_neg_in) {
1676 next_protos_parse(&next_proto.len, next_proto_neg_in);
1677 if (next_proto.data == NULL) {
1678 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n");
1682 next_proto.data = NULL;
1685 if (!app_passwd(passarg, NULL, &pass, NULL)) {
1686 BIO_printf(bio_err, "Error getting private key password\n");
1690 if (!app_passwd(proxypassarg, NULL, &proxypass, NULL)) {
1691 BIO_printf(bio_err, "Error getting proxy password\n");
1695 if (proxypass != NULL && proxyuser == NULL) {
1696 BIO_printf(bio_err, "Error: Must specify proxy_user with proxy_pass\n");
1700 if (key_file == NULL)
1701 key_file = cert_file;
1703 if (key_file != NULL) {
1704 key = load_key(key_file, key_format, 0, pass, e,
1705 "client certificate private key file");
1707 ERR_print_errors(bio_err);
1712 if (cert_file != NULL) {
1713 cert = load_cert(cert_file, cert_format, "client certificate file");
1715 ERR_print_errors(bio_err);
1720 if (chain_file != NULL) {
1721 if (!load_certs(chain_file, &chain, FORMAT_PEM, NULL,
1722 "client certificate chain"))
1726 if (crl_file != NULL) {
1728 crl = load_crl(crl_file, crl_format);
1730 BIO_puts(bio_err, "Error loading CRL\n");
1731 ERR_print_errors(bio_err);
1734 crls = sk_X509_CRL_new_null();
1735 if (crls == NULL || !sk_X509_CRL_push(crls, crl)) {
1736 BIO_puts(bio_err, "Error adding CRL\n");
1737 ERR_print_errors(bio_err);
1743 if (!load_excert(&exc))
1746 if (bio_c_out == NULL) {
1747 if (c_quiet && !c_debug) {
1748 bio_c_out = BIO_new(BIO_s_null());
1749 if (c_msg && bio_c_msg == NULL)
1750 bio_c_msg = dup_bio_out(FORMAT_TEXT);
1751 } else if (bio_c_out == NULL)
1752 bio_c_out = dup_bio_out(FORMAT_TEXT);
1754 #ifndef OPENSSL_NO_SRP
1755 if (!app_passwd(srppass, NULL, &srp_arg.srppassin, NULL)) {
1756 BIO_printf(bio_err, "Error getting password\n");
1761 ctx = SSL_CTX_new(meth);
1763 ERR_print_errors(bio_err);
1767 SSL_CTX_clear_mode(ctx, SSL_MODE_AUTO_RETRY);
1770 ssl_ctx_security_debug(ctx, sdebug);
1772 if (!config_ctx(cctx, ssl_args, ctx))
1775 if (ssl_config != NULL) {
1776 if (SSL_CTX_config(ctx, ssl_config) == 0) {
1777 BIO_printf(bio_err, "Error using configuration \"%s\"\n",
1779 ERR_print_errors(bio_err);
1784 #ifndef OPENSSL_NO_SCTP
1785 if (protocol == IPPROTO_SCTP && sctp_label_bug == 1)
1786 SSL_CTX_set_mode(ctx, SSL_MODE_DTLS_SCTP_LABEL_LENGTH_BUG);
1789 if (min_version != 0
1790 && SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
1792 if (max_version != 0
1793 && SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
1796 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
1797 BIO_printf(bio_err, "Error setting verify params\n");
1798 ERR_print_errors(bio_err);
1803 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
1806 if (max_send_fragment > 0
1807 && !SSL_CTX_set_max_send_fragment(ctx, max_send_fragment)) {
1808 BIO_printf(bio_err, "%s: Max send fragment size %u is out of permitted range\n",
1809 prog, max_send_fragment);
1813 if (split_send_fragment > 0
1814 && !SSL_CTX_set_split_send_fragment(ctx, split_send_fragment)) {
1815 BIO_printf(bio_err, "%s: Split send fragment size %u is out of permitted range\n",
1816 prog, split_send_fragment);
1820 if (max_pipelines > 0
1821 && !SSL_CTX_set_max_pipelines(ctx, max_pipelines)) {
1822 BIO_printf(bio_err, "%s: Max pipelines %u is out of permitted range\n",
1823 prog, max_pipelines);
1827 if (read_buf_len > 0) {
1828 SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len);
1832 && !SSL_CTX_set_tlsext_max_fragment_length(ctx, maxfraglen)) {
1834 "%s: Max Fragment Length code %u is out of permitted values"
1835 "\n", prog, maxfraglen);
1839 if (!ssl_load_stores(ctx,
1840 vfyCApath, vfyCAfile, vfyCAstore,
1841 chCApath, chCAfile, chCAstore,
1842 crls, crl_download)) {
1843 BIO_printf(bio_err, "Error loading store locations\n");
1844 ERR_print_errors(bio_err);
1847 if (ReqCAfile != NULL) {
1848 STACK_OF(X509_NAME) *nm = sk_X509_NAME_new_null();
1850 if (nm == NULL || !SSL_add_file_cert_subjects_to_stack(nm, ReqCAfile)) {
1851 sk_X509_NAME_pop_free(nm, X509_NAME_free);
1852 BIO_printf(bio_err, "Error loading CA names\n");
1853 ERR_print_errors(bio_err);
1856 SSL_CTX_set0_CA_list(ctx, nm);
1858 #ifndef OPENSSL_NO_ENGINE
1859 if (ssl_client_engine) {
1860 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine)) {
1861 BIO_puts(bio_err, "Error setting client auth engine\n");
1862 ERR_print_errors(bio_err);
1863 ENGINE_free(ssl_client_engine);
1866 ENGINE_free(ssl_client_engine);
1870 #ifndef OPENSSL_NO_PSK
1871 if (psk_key != NULL) {
1873 BIO_printf(bio_c_out, "PSK key given, setting client callback\n");
1874 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
1877 if (psksessf != NULL) {
1878 BIO *stmp = BIO_new_file(psksessf, "r");
1881 BIO_printf(bio_err, "Can't open PSK session file %s\n", psksessf);
1882 ERR_print_errors(bio_err);
1885 psksess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1887 if (psksess == NULL) {
1888 BIO_printf(bio_err, "Can't read PSK session file %s\n", psksessf);
1889 ERR_print_errors(bio_err);
1893 if (psk_key != NULL || psksess != NULL)
1894 SSL_CTX_set_psk_use_session_callback(ctx, psk_use_session_cb);
1896 #ifndef OPENSSL_NO_SRTP
1897 if (srtp_profiles != NULL) {
1898 /* Returns 0 on success! */
1899 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
1900 BIO_printf(bio_err, "Error setting SRTP profile\n");
1901 ERR_print_errors(bio_err);
1908 ssl_ctx_set_excert(ctx, exc);
1910 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1911 if (next_proto.data != NULL)
1912 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
1916 unsigned char *alpn = next_protos_parse(&alpn_len, alpn_in);
1919 BIO_printf(bio_err, "Error parsing -alpn argument\n");
1922 /* Returns 0 on success! */
1923 if (SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len) != 0) {
1924 BIO_printf(bio_err, "Error setting ALPN\n");
1930 for (i = 0; i < serverinfo_count; i++) {
1931 if (!SSL_CTX_add_client_custom_ext(ctx,
1932 serverinfo_types[i],
1934 serverinfo_cli_parse_cb, NULL)) {
1936 "Warning: Unable to add custom extension %u, skipping\n",
1937 serverinfo_types[i]);
1942 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1944 #ifndef OPENSSL_NO_CT
1945 /* Enable SCT processing, without early connection termination */
1946 if (ct_validation &&
1947 !SSL_CTX_enable_ct(ctx, SSL_CT_VALIDATION_PERMISSIVE)) {
1948 ERR_print_errors(bio_err);
1952 if (!ctx_set_ctlog_list_file(ctx, ctlog_file)) {
1953 if (ct_validation) {
1954 ERR_print_errors(bio_err);
1959 * If CT validation is not enabled, the log list isn't needed so don't
1960 * show errors or abort. We try to load it regardless because then we
1961 * can show the names of the logs any SCTs came from (SCTs may be seen
1962 * even with validation disabled).
1968 SSL_CTX_set_verify(ctx, verify, verify_callback);
1970 if (!ctx_set_verify_locations(ctx, CAfile, noCAfile, CApath, noCApath,
1971 CAstore, noCAstore)) {
1972 ERR_print_errors(bio_err);
1976 ssl_ctx_add_crls(ctx, crls, crl_download);
1978 if (!set_cert_key_stuff(ctx, cert, key, chain, build_chain))
1981 if (!noservername) {
1982 tlsextcbp.biodebug = bio_err;
1983 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1984 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1986 # ifndef OPENSSL_NO_SRP
1987 if (srp_arg.srplogin) {
1988 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin)) {
1989 BIO_printf(bio_err, "Unable to set SRP username\n");
1992 srp_arg.msg = c_msg;
1993 srp_arg.debug = c_debug;
1994 SSL_CTX_set_srp_cb_arg(ctx, &srp_arg);
1995 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb);
1996 SSL_CTX_set_srp_strength(ctx, srp_arg.strength);
1997 if (c_msg || c_debug || srp_arg.amp == 0)
1998 SSL_CTX_set_srp_verify_param_callback(ctx,
1999 ssl_srp_verify_param_cb);
2003 if (dane_tlsa_domain != NULL) {
2004 if (SSL_CTX_dane_enable(ctx) <= 0) {
2006 "%s: Error enabling DANE TLSA authentication.\n",
2008 ERR_print_errors(bio_err);
2014 * In TLSv1.3 NewSessionTicket messages arrive after the handshake and can
2015 * come at any time. Therefore we use a callback to write out the session
2016 * when we know about it. This approach works for < TLSv1.3 as well.
2018 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_CLIENT
2019 | SSL_SESS_CACHE_NO_INTERNAL_STORE);
2020 SSL_CTX_sess_set_new_cb(ctx, new_session_cb);
2022 if (set_keylog_file(ctx, keylog_file))
2030 SSL_set_post_handshake_auth(con, 1);
2032 if (sess_in != NULL) {
2034 BIO *stmp = BIO_new_file(sess_in, "r");
2036 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
2037 ERR_print_errors(bio_err);
2040 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
2043 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
2044 ERR_print_errors(bio_err);
2047 if (!SSL_set_session(con, sess)) {
2048 BIO_printf(bio_err, "Can't set session\n");
2049 ERR_print_errors(bio_err);
2053 SSL_SESSION_free(sess);
2057 SSL_set_mode(con, SSL_MODE_SEND_FALLBACK_SCSV);
2059 if (!noservername && (servername != NULL || dane_tlsa_domain == NULL)) {
2060 if (servername == NULL) {
2061 if(host == NULL || is_dNS_name(host))
2062 servername = (host == NULL) ? "localhost" : host;
2064 if (servername != NULL && !SSL_set_tlsext_host_name(con, servername)) {
2065 BIO_printf(bio_err, "Unable to set TLS servername extension.\n");
2066 ERR_print_errors(bio_err);
2071 if (dane_tlsa_domain != NULL) {
2072 if (SSL_dane_enable(con, dane_tlsa_domain) <= 0) {
2073 BIO_printf(bio_err, "%s: Error enabling DANE TLSA "
2074 "authentication.\n", prog);
2075 ERR_print_errors(bio_err);
2078 if (dane_tlsa_rrset == NULL) {
2079 BIO_printf(bio_err, "%s: DANE TLSA authentication requires at "
2080 "least one -dane_tlsa_rrdata option.\n", prog);
2083 if (tlsa_import_rrset(con, dane_tlsa_rrset) <= 0) {
2084 BIO_printf(bio_err, "%s: Failed to import any TLSA "
2085 "records.\n", prog);
2088 if (dane_ee_no_name)
2089 SSL_dane_set_flags(con, DANE_FLAG_NO_DANE_EE_NAMECHECKS);
2090 } else if (dane_tlsa_rrset != NULL) {
2091 BIO_printf(bio_err, "%s: DANE TLSA authentication requires the "
2092 "-dane_tlsa_domain option.\n", prog);
2097 if (init_client(&sock, host, port, bindhost, bindport, socket_family,
2098 socket_type, protocol) == 0) {
2099 BIO_printf(bio_err, "connect:errno=%d\n", get_last_socket_error());
2100 BIO_closesocket(sock);
2103 BIO_printf(bio_c_out, "CONNECTED(%08X)\n", sock);
2106 if (!BIO_socket_nbio(sock, 1)) {
2107 ERR_print_errors(bio_err);
2110 BIO_printf(bio_c_out, "Turned on non blocking io\n");
2112 #ifndef OPENSSL_NO_DTLS
2114 union BIO_sock_info_u peer_info;
2116 #ifndef OPENSSL_NO_SCTP
2117 if (protocol == IPPROTO_SCTP)
2118 sbio = BIO_new_dgram_sctp(sock, BIO_NOCLOSE);
2121 sbio = BIO_new_dgram(sock, BIO_NOCLOSE);
2123 if ((peer_info.addr = BIO_ADDR_new()) == NULL) {
2124 BIO_printf(bio_err, "memory allocation failure\n");
2125 BIO_closesocket(sock);
2128 if (!BIO_sock_info(sock, BIO_SOCK_INFO_ADDRESS, &peer_info)) {
2129 BIO_printf(bio_err, "getsockname:errno=%d\n",
2130 get_last_socket_error());
2131 BIO_ADDR_free(peer_info.addr);
2132 BIO_closesocket(sock);
2136 (void)BIO_ctrl_set_connected(sbio, peer_info.addr);
2137 BIO_ADDR_free(peer_info.addr);
2138 peer_info.addr = NULL;
2140 if (enable_timeouts) {
2142 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2143 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2146 timeout.tv_usec = DGRAM_SND_TIMEOUT;
2147 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2151 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
2152 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
2153 DTLS_get_link_min_mtu(con));
2157 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2158 if (!DTLS_set_link_mtu(con, socket_mtu)) {
2159 BIO_printf(bio_err, "Failed to set MTU\n");
2164 /* want to do MTU discovery */
2165 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2168 #endif /* OPENSSL_NO_DTLS */
2169 sbio = BIO_new_socket(sock, BIO_NOCLOSE);
2174 test = BIO_new(BIO_f_nbio_test());
2175 sbio = BIO_push(test, sbio);
2179 BIO_set_callback(sbio, bio_dump_callback);
2180 BIO_set_callback_arg(sbio, (char *)bio_c_out);
2183 #ifndef OPENSSL_NO_SSL_TRACE
2185 SSL_set_msg_callback(con, SSL_trace);
2188 SSL_set_msg_callback(con, msg_cb);
2189 SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out);
2192 if (c_tlsextdebug) {
2193 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2194 SSL_set_tlsext_debug_arg(con, bio_c_out);
2196 #ifndef OPENSSL_NO_OCSP
2198 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
2199 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
2200 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
2204 SSL_set_bio(con, sbio, sbio);
2205 SSL_set_connect_state(con);
2207 /* ok, lets connect */
2208 if (fileno_stdin() > SSL_get_fd(con))
2209 width = fileno_stdin() + 1;
2211 width = SSL_get_fd(con) + 1;
2224 switch ((PROTOCOL_CHOICE) starttls_proto) {
2231 * This is an ugly hack that does a lot of assumptions. We do
2232 * have to handle multi-line responses which may come in a single
2233 * packet or not. We therefore have to use BIO_gets() which does
2234 * need a buffering BIO. So during the initial chitchat we do
2235 * push a buffering BIO into the chain that is removed again
2236 * later on to not disturb the rest of the s_client operation.
2239 BIO *fbio = BIO_new(BIO_f_buffer());
2241 BIO_push(fbio, sbio);
2242 /* Wait for multi-line response to end from LMTP or SMTP */
2244 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2245 } while (mbuf_len > 3 && mbuf[3] == '-');
2246 if (protohost == NULL)
2247 protohost = "mail.example.com";
2248 if (starttls_proto == (int)PROTO_LMTP)
2249 BIO_printf(fbio, "LHLO %s\r\n", protohost);
2251 BIO_printf(fbio, "EHLO %s\r\n", protohost);
2252 (void)BIO_flush(fbio);
2254 * Wait for multi-line response to end LHLO LMTP or EHLO SMTP
2258 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2259 if (strstr(mbuf, "STARTTLS"))
2261 } while (mbuf_len > 3 && mbuf[3] == '-');
2262 (void)BIO_flush(fbio);
2267 "Didn't find STARTTLS in server response,"
2268 " trying anyway...\n");
2269 BIO_printf(sbio, "STARTTLS\r\n");
2270 BIO_read(sbio, sbuf, BUFSIZZ);
2275 BIO_read(sbio, mbuf, BUFSIZZ);
2276 BIO_printf(sbio, "STLS\r\n");
2277 mbuf_len = BIO_read(sbio, sbuf, BUFSIZZ);
2279 BIO_printf(bio_err, "BIO_read failed\n");
2287 BIO *fbio = BIO_new(BIO_f_buffer());
2289 BIO_push(fbio, sbio);
2290 BIO_gets(fbio, mbuf, BUFSIZZ);
2291 /* STARTTLS command requires CAPABILITY... */
2292 BIO_printf(fbio, ". CAPABILITY\r\n");
2293 (void)BIO_flush(fbio);
2294 /* wait for multi-line CAPABILITY response */
2296 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2297 if (strstr(mbuf, "STARTTLS"))
2300 while (mbuf_len > 3 && mbuf[0] != '.');
2301 (void)BIO_flush(fbio);
2306 "Didn't find STARTTLS in server response,"
2307 " trying anyway...\n");
2308 BIO_printf(sbio, ". STARTTLS\r\n");
2309 BIO_read(sbio, sbuf, BUFSIZZ);
2314 BIO *fbio = BIO_new(BIO_f_buffer());
2316 BIO_push(fbio, sbio);
2317 /* wait for multi-line response to end from FTP */
2319 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2321 while (mbuf_len > 3 && (!isdigit(mbuf[0]) || !isdigit(mbuf[1]) || !isdigit(mbuf[2]) || mbuf[3] != ' '));
2322 (void)BIO_flush(fbio);
2325 BIO_printf(sbio, "AUTH TLS\r\n");
2326 BIO_read(sbio, sbuf, BUFSIZZ);
2330 case PROTO_XMPP_SERVER:
2333 BIO_printf(sbio, "<stream:stream "
2334 "xmlns:stream='http://etherx.jabber.org/streams' "
2335 "xmlns='jabber:%s' to='%s' version='1.0'>",
2336 starttls_proto == PROTO_XMPP ? "client" : "server",
2337 protohost ? protohost : host);
2338 seen = BIO_read(sbio, mbuf, BUFSIZZ);
2340 BIO_printf(bio_err, "BIO_read failed\n");
2345 (mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")
2347 "<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\""))
2349 seen = BIO_read(sbio, mbuf, BUFSIZZ);
2357 "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
2358 seen = BIO_read(sbio, sbuf, BUFSIZZ);
2360 BIO_printf(bio_err, "BIO_read failed\n");
2364 if (!strstr(sbuf, "<proceed"))
2371 static const unsigned char tls_do[] = {
2372 /* IAC DO START_TLS */
2375 static const unsigned char tls_will[] = {
2376 /* IAC WILL START_TLS */
2379 static const unsigned char tls_follows[] = {
2380 /* IAC SB START_TLS FOLLOWS IAC SE */
2381 255, 250, 46, 1, 255, 240
2385 /* Telnet server should demand we issue START_TLS */
2386 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
2387 if (bytes != 3 || memcmp(mbuf, tls_do, 3) != 0)
2389 /* Agree to issue START_TLS and send the FOLLOWS sub-command */
2390 BIO_write(sbio, tls_will, 3);
2391 BIO_write(sbio, tls_follows, 6);
2392 (void)BIO_flush(sbio);
2393 /* Telnet server also sent the FOLLOWS sub-command */
2394 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
2395 if (bytes != 6 || memcmp(mbuf, tls_follows, 6) != 0)
2400 if (!OSSL_HTTP_proxy_connect(sbio, host, port, proxyuser, proxypass,
2401 0 /* no timeout */, bio_err, prog))
2407 BIO *fbio = BIO_new(BIO_f_buffer());
2409 BIO_push(fbio, sbio);
2410 BIO_printf(fbio, "STARTTLS\r\n");
2411 (void)BIO_flush(fbio);
2412 width = SSL_get_fd(con) + 1;
2418 openssl_fdset(SSL_get_fd(con), &readfds);
2419 timeout.tv_sec = S_CLIENT_IRC_READ_TIMEOUT;
2420 timeout.tv_usec = 0;
2422 * If the IRCd doesn't respond within
2423 * S_CLIENT_IRC_READ_TIMEOUT seconds, assume
2424 * it doesn't support STARTTLS. Many IRCds
2425 * will not give _any_ sort of response to a
2426 * STARTTLS command when it's not supported.
2428 if (!BIO_get_buffer_num_lines(fbio)
2429 && !BIO_pending(fbio)
2430 && !BIO_pending(sbio)
2431 && select(width, (void *)&readfds, NULL, NULL,
2434 "Timeout waiting for response (%d seconds).\n",
2435 S_CLIENT_IRC_READ_TIMEOUT);
2439 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2440 if (mbuf_len < 1 || sscanf(mbuf, "%*s %d", &numeric) != 1)
2442 /* :example.net 451 STARTTLS :You have not registered */
2443 /* :example.net 421 STARTTLS :Unknown command */
2444 if ((numeric == 451 || numeric == 421)
2445 && strstr(mbuf, "STARTTLS") != NULL) {
2446 BIO_printf(bio_err, "STARTTLS not supported: %s", mbuf);
2449 if (numeric == 691) {
2450 BIO_printf(bio_err, "STARTTLS negotiation failed: ");
2451 ERR_print_errors(bio_err);
2454 } while (numeric != 670);
2456 (void)BIO_flush(fbio);
2459 if (numeric != 670) {
2460 BIO_printf(bio_err, "Server does not support STARTTLS.\n");
2468 /* SSL request packet */
2469 static const unsigned char ssl_req[] = {
2470 /* payload_length, sequence_id */
2471 0x20, 0x00, 0x00, 0x01,
2473 /* capability flags, CLIENT_SSL always set */
2474 0x85, 0xae, 0x7f, 0x00,
2475 /* max-packet size */
2476 0x00, 0x00, 0x00, 0x01,
2479 /* string[23] reserved (all [0]) */
2480 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
2481 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
2482 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
2485 int ssl_flg = 0x800;
2487 const unsigned char *packet = (const unsigned char *)sbuf;
2489 /* Receiving Initial Handshake packet. */
2490 bytes = BIO_read(sbio, (void *)packet, BUFSIZZ);
2492 BIO_printf(bio_err, "BIO_read failed\n");
2494 /* Packet length[3], Packet number[1] + minimum payload[17] */
2495 } else if (bytes < 21) {
2496 BIO_printf(bio_err, "MySQL packet too short.\n");
2498 } else if (bytes != (4 + packet[0] +
2500 (packet[2] << 16))) {
2501 BIO_printf(bio_err, "MySQL packet length does not match.\n");
2503 /* protocol version[1] */
2504 } else if (packet[4] != 0xA) {
2506 "Only MySQL protocol version 10 is supported.\n");
2511 /* server version[string+NULL] */
2514 BIO_printf(bio_err, "Cannot confirm server version. ");
2516 } else if (packet[pos++] == '\0') {
2521 /* make sure we have at least 15 bytes left in the packet */
2522 if (pos + 15 > bytes) {
2524 "MySQL server handshake packet is broken.\n");
2528 pos += 12; /* skip over conn id[4] + SALT[8] */
2529 if (packet[pos++] != '\0') { /* verify filler */
2531 "MySQL packet is broken.\n");
2535 /* capability flags[2] */
2536 if (!((packet[pos] + (packet[pos + 1] << 8)) & ssl_flg)) {
2537 BIO_printf(bio_err, "MySQL server does not support SSL.\n");
2541 /* Sending SSL Handshake packet. */
2542 BIO_write(sbio, ssl_req, sizeof(ssl_req));
2543 (void)BIO_flush(sbio);
2546 case PROTO_POSTGRES:
2548 static const unsigned char ssl_request[] = {
2549 /* Length SSLRequest */
2550 0, 0, 0, 8, 4, 210, 22, 47
2554 /* Send SSLRequest packet */
2555 BIO_write(sbio, ssl_request, 8);
2556 (void)BIO_flush(sbio);
2558 /* Reply will be a single S if SSL is enabled */
2559 bytes = BIO_read(sbio, sbuf, BUFSIZZ);
2560 if (bytes != 1 || sbuf[0] != 'S')
2567 BIO *fbio = BIO_new(BIO_f_buffer());
2569 BIO_push(fbio, sbio);
2570 BIO_gets(fbio, mbuf, BUFSIZZ);
2571 /* STARTTLS command requires CAPABILITIES... */
2572 BIO_printf(fbio, "CAPABILITIES\r\n");
2573 (void)BIO_flush(fbio);
2574 BIO_gets(fbio, mbuf, BUFSIZZ);
2575 /* no point in trying to parse the CAPABILITIES response if there is none */
2576 if (strstr(mbuf, "101") != NULL) {
2577 /* wait for multi-line CAPABILITIES response */
2579 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2580 if (strstr(mbuf, "STARTTLS"))
2582 } while (mbuf_len > 1 && mbuf[0] != '.');
2584 (void)BIO_flush(fbio);
2589 "Didn't find STARTTLS in server response,"
2590 " trying anyway...\n");
2591 BIO_printf(sbio, "STARTTLS\r\n");
2592 mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ);
2594 BIO_printf(bio_err, "BIO_read failed\n");
2597 mbuf[mbuf_len] = '\0';
2598 if (strstr(mbuf, "382") == NULL) {
2599 BIO_printf(bio_err, "STARTTLS failed: %s", mbuf);
2607 BIO *fbio = BIO_new(BIO_f_buffer());
2609 BIO_push(fbio, sbio);
2610 /* wait for multi-line response to end from Sieve */
2612 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2614 * According to RFC 5804 § 1.7, capability
2615 * is case-insensitive, make it uppercase
2617 if (mbuf_len > 1 && mbuf[0] == '"') {
2618 make_uppercase(mbuf);
2619 if (strncmp(mbuf, "\"STARTTLS\"", 10) == 0)
2622 } while (mbuf_len > 1 && mbuf[0] == '"');
2623 (void)BIO_flush(fbio);
2628 "Didn't find STARTTLS in server response,"
2629 " trying anyway...\n");
2630 BIO_printf(sbio, "STARTTLS\r\n");
2631 mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ);
2633 BIO_printf(bio_err, "BIO_read failed\n");
2636 mbuf[mbuf_len] = '\0';
2638 BIO_printf(bio_err, "STARTTLS failed: %s", mbuf);
2642 * According to RFC 5804 § 2.2, response codes are case-
2643 * insensitive, make it uppercase but preserve the response.
2645 strncpy(sbuf, mbuf, 2);
2646 make_uppercase(sbuf);
2647 if (strncmp(sbuf, "OK", 2) != 0) {
2648 BIO_printf(bio_err, "STARTTLS not supported: %s", mbuf);
2655 /* StartTLS Operation according to RFC 4511 */
2656 static char ldap_tls_genconf[] = "asn1=SEQUENCE:LDAPMessage\n"
2658 "messageID=INTEGER:1\n"
2659 "extendedReq=EXPLICIT:23A,IMPLICIT:0C,"
2660 "FORMAT:ASCII,OCT:1.3.6.1.4.1.1466.20037\n";
2662 char *genstr = NULL;
2664 ASN1_TYPE *atyp = NULL;
2665 BIO *ldapbio = BIO_new(BIO_s_mem());
2666 CONF *cnf = NCONF_new(NULL);
2672 BIO_puts(ldapbio, ldap_tls_genconf);
2673 if (NCONF_load_bio(cnf, ldapbio, &errline) <= 0) {
2677 BIO_printf(bio_err, "NCONF_load_bio failed\n");
2680 BIO_printf(bio_err, "Error on line %ld\n", errline);
2685 genstr = NCONF_get_string(cnf, "default", "asn1");
2686 if (genstr == NULL) {
2688 BIO_printf(bio_err, "NCONF_get_string failed\n");
2691 atyp = ASN1_generate_nconf(genstr, cnf);
2694 BIO_printf(bio_err, "ASN1_generate_nconf failed\n");
2699 /* Send SSLRequest packet */
2700 BIO_write(sbio, atyp->value.sequence->data,
2701 atyp->value.sequence->length);
2702 (void)BIO_flush(sbio);
2703 ASN1_TYPE_free(atyp);
2705 mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ);
2707 BIO_printf(bio_err, "BIO_read failed\n");
2710 result = ldap_ExtendedResponse_parse(mbuf, mbuf_len);
2712 BIO_printf(bio_err, "ldap_ExtendedResponse_parse failed\n");
2714 } else if (result > 0) {
2715 BIO_printf(bio_err, "STARTTLS failed, LDAP Result Code: %i\n",
2724 if (early_data_file != NULL
2725 && ((SSL_get0_session(con) != NULL
2726 && SSL_SESSION_get_max_early_data(SSL_get0_session(con)) > 0)
2728 && SSL_SESSION_get_max_early_data(psksess) > 0))) {
2729 BIO *edfile = BIO_new_file(early_data_file, "r");
2730 size_t readbytes, writtenbytes;
2733 if (edfile == NULL) {
2734 BIO_printf(bio_err, "Cannot open early data file\n");
2739 if (!BIO_read_ex(edfile, cbuf, BUFSIZZ, &readbytes))
2742 while (!SSL_write_early_data(con, cbuf, readbytes, &writtenbytes)) {
2743 switch (SSL_get_error(con, 0)) {
2744 case SSL_ERROR_WANT_WRITE:
2745 case SSL_ERROR_WANT_ASYNC:
2746 case SSL_ERROR_WANT_READ:
2747 /* Just keep trying - busy waiting */
2750 BIO_printf(bio_err, "Error writing early data\n");
2752 ERR_print_errors(bio_err);
2765 if (SSL_is_dtls(con) && DTLSv1_get_timeout(con, &timeout))
2766 timeoutp = &timeout;
2770 if (!SSL_is_init_finished(con) && SSL_total_renegotiations(con) == 0
2771 && SSL_get_key_update_type(con) == SSL_KEY_UPDATE_NONE) {
2780 BIO_puts(bio_err, "CONNECTION ESTABLISHED\n");
2781 print_ssl_summary(con);
2784 print_stuff(bio_c_out, con, full_log);
2788 if (starttls_proto) {
2789 BIO_write(bio_err, mbuf, mbuf_len);
2790 /* We don't need to know any more */
2792 starttls_proto = PROTO_OFF;
2797 BIO_printf(bio_c_out,
2798 "drop connection and then reconnect\n");
2799 do_ssl_shutdown(con);
2800 SSL_set_connect_state(con);
2801 BIO_closesocket(SSL_get_fd(con));
2807 ssl_pending = read_ssl && SSL_has_pending(con);
2810 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
2813 * Note that select() returns when read _would not block_,
2814 * and EOF satisfies that. To avoid a CPU-hogging loop,
2815 * set the flag so we exit.
2817 if (read_tty && !at_eof)
2818 openssl_fdset(fileno_stdin(), &readfds);
2819 #if !defined(OPENSSL_SYS_VMS)
2821 openssl_fdset(fileno_stdout(), &writefds);
2825 openssl_fdset(SSL_get_fd(con), &readfds);
2827 openssl_fdset(SSL_get_fd(con), &writefds);
2829 if (!tty_on || !write_tty) {
2831 openssl_fdset(SSL_get_fd(con), &readfds);
2833 openssl_fdset(SSL_get_fd(con), &writefds);
2838 * Note: under VMS with SOCKETSHR the second parameter is
2839 * currently of type (int *) whereas under other systems it is
2840 * (void *) if you don't have a cast it will choke the compiler:
2841 * if you do have a cast then you can either go for (int *) or
2844 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2846 * Under Windows/DOS we make the assumption that we can always
2847 * write to the tty: therefore if we need to write to the tty we
2848 * just fall through. Otherwise we timeout the select every
2849 * second and see if there are any keypresses. Note: this is a
2850 * hack, in a proper Windows application we wouldn't do this.
2857 i = select(width, (void *)&readfds, (void *)&writefds,
2859 if (!i && (!has_stdin_waiting() || !read_tty))
2862 i = select(width, (void *)&readfds, (void *)&writefds,
2866 i = select(width, (void *)&readfds, (void *)&writefds,
2870 BIO_printf(bio_err, "bad select %d\n",
2871 get_last_socket_error());
2876 if (SSL_is_dtls(con) && DTLSv1_handle_timeout(con) > 0)
2877 BIO_printf(bio_err, "TIMEOUT occurred\n");
2879 if (!ssl_pending && FD_ISSET(SSL_get_fd(con), &writefds)) {
2880 k = SSL_write(con, &(cbuf[cbuf_off]), (unsigned int)cbuf_len);
2881 switch (SSL_get_error(con, k)) {
2882 case SSL_ERROR_NONE:
2887 /* we have done a write(con,NULL,0); */
2888 if (cbuf_len <= 0) {
2891 } else { /* if (cbuf_len > 0) */
2897 case SSL_ERROR_WANT_WRITE:
2898 BIO_printf(bio_c_out, "write W BLOCK\n");
2902 case SSL_ERROR_WANT_ASYNC:
2903 BIO_printf(bio_c_out, "write A BLOCK\n");
2904 wait_for_async(con);
2908 case SSL_ERROR_WANT_READ:
2909 BIO_printf(bio_c_out, "write R BLOCK\n");
2914 case SSL_ERROR_WANT_X509_LOOKUP:
2915 BIO_printf(bio_c_out, "write X BLOCK\n");
2917 case SSL_ERROR_ZERO_RETURN:
2918 if (cbuf_len != 0) {
2919 BIO_printf(bio_c_out, "shutdown\n");
2928 case SSL_ERROR_SYSCALL:
2929 if ((k != 0) || (cbuf_len != 0)) {
2930 BIO_printf(bio_err, "write:errno=%d\n",
2931 get_last_socket_error());
2938 case SSL_ERROR_WANT_ASYNC_JOB:
2939 /* This shouldn't ever happen in s_client - treat as an error */
2941 ERR_print_errors(bio_err);
2945 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_VMS)
2946 /* Assume Windows/DOS/BeOS can always write */
2947 else if (!ssl_pending && write_tty)
2949 else if (!ssl_pending && FD_ISSET(fileno_stdout(), &writefds))
2952 #ifdef CHARSET_EBCDIC
2953 ascii2ebcdic(&(sbuf[sbuf_off]), &(sbuf[sbuf_off]), sbuf_len);
2955 i = raw_write_stdout(&(sbuf[sbuf_off]), sbuf_len);
2958 BIO_printf(bio_c_out, "DONE\n");
2965 if (sbuf_len <= 0) {
2969 } else if (ssl_pending || FD_ISSET(SSL_get_fd(con), &readfds)) {
2974 SSL_renegotiate(con);
2979 k = SSL_read(con, sbuf, 1024 /* BUFSIZZ */ );
2981 switch (SSL_get_error(con, k)) {
2982 case SSL_ERROR_NONE:
2991 case SSL_ERROR_WANT_ASYNC:
2992 BIO_printf(bio_c_out, "read A BLOCK\n");
2993 wait_for_async(con);
2996 if ((read_tty == 0) && (write_ssl == 0))
2999 case SSL_ERROR_WANT_WRITE:
3000 BIO_printf(bio_c_out, "read W BLOCK\n");
3004 case SSL_ERROR_WANT_READ:
3005 BIO_printf(bio_c_out, "read R BLOCK\n");
3008 if ((read_tty == 0) && (write_ssl == 0))
3011 case SSL_ERROR_WANT_X509_LOOKUP:
3012 BIO_printf(bio_c_out, "read X BLOCK\n");
3014 case SSL_ERROR_SYSCALL:
3015 ret = get_last_socket_error();
3017 BIO_puts(bio_err, "CONNECTION CLOSED BY SERVER\n");
3019 BIO_printf(bio_err, "read:errno=%d\n", ret);
3021 case SSL_ERROR_ZERO_RETURN:
3022 BIO_printf(bio_c_out, "closed\n");
3025 case SSL_ERROR_WANT_ASYNC_JOB:
3026 /* This shouldn't ever happen in s_client. Treat as an error */
3028 ERR_print_errors(bio_err);
3032 /* OPENSSL_SYS_MSDOS includes OPENSSL_SYS_WINDOWS */
3033 #if defined(OPENSSL_SYS_MSDOS)
3034 else if (has_stdin_waiting())
3036 else if (FD_ISSET(fileno_stdin(), &readfds))
3042 i = raw_read_stdin(cbuf, BUFSIZZ / 2);
3044 /* both loops are skipped when i <= 0 */
3045 for (j = 0; j < i; j++)
3046 if (cbuf[j] == '\n')
3048 for (j = i - 1; j >= 0; j--) {
3049 cbuf[j + lf_num] = cbuf[j];
3050 if (cbuf[j] == '\n') {
3053 cbuf[j + lf_num] = '\r';
3056 assert(lf_num == 0);
3058 i = raw_read_stdin(cbuf, BUFSIZZ);
3059 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
3064 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q' && cmdletters))) {
3065 BIO_printf(bio_err, "DONE\n");
3070 if ((!c_ign_eof) && (cbuf[0] == 'R' && cmdletters)) {
3071 BIO_printf(bio_err, "RENEGOTIATING\n");
3072 SSL_renegotiate(con);
3074 } else if (!c_ign_eof && (cbuf[0] == 'K' || cbuf[0] == 'k' )
3076 BIO_printf(bio_err, "KEYUPDATE\n");
3078 cbuf[0] == 'K' ? SSL_KEY_UPDATE_REQUESTED
3079 : SSL_KEY_UPDATE_NOT_REQUESTED);
3084 #ifdef CHARSET_EBCDIC
3085 ebcdic2ascii(cbuf, cbuf, i);
3097 print_stuff(bio_c_out, con, full_log);
3098 do_ssl_shutdown(con);
3101 * If we ended with an alert being sent, but still with data in the
3102 * network buffer to be read, then calling BIO_closesocket() will
3103 * result in a TCP-RST being sent. On some platforms (notably
3104 * Windows) then this will result in the peer immediately abandoning
3105 * the connection including any buffered alert data before it has
3106 * had a chance to be read. Shutting down the sending side first,
3107 * and then closing the socket sends TCP-FIN first followed by
3108 * TCP-RST. This seems to allow the peer to read the alert data.
3110 shutdown(SSL_get_fd(con), 1); /* SHUT_WR */
3112 * We just said we have nothing else to say, but it doesn't mean that
3113 * the other side has nothing. It's even recommended to consume incoming
3114 * data. [In testing context this ensures that alerts are passed on...]
3117 timeout.tv_usec = 500000; /* some extreme round-trip */
3120 openssl_fdset(sock, &readfds);
3121 } while (select(sock + 1, &readfds, NULL, NULL, &timeout) > 0
3122 && BIO_read(sbio, sbuf, BUFSIZZ) > 0);
3124 BIO_closesocket(SSL_get_fd(con));
3128 print_stuff(bio_c_out, con, 1);
3131 SSL_SESSION_free(psksess);
3132 #if !defined(OPENSSL_NO_NEXTPROTONEG)
3133 OPENSSL_free(next_proto.data);
3136 set_keylog_file(NULL, NULL);
3138 sk_X509_CRL_pop_free(crls, X509_CRL_free);
3140 sk_X509_pop_free(chain, X509_free);
3142 #ifndef OPENSSL_NO_SRP
3143 OPENSSL_free(srp_arg.srppassin);
3145 OPENSSL_free(connectstr);
3146 OPENSSL_free(bindstr);
3149 X509_VERIFY_PARAM_free(vpm);
3150 ssl_excert_free(exc);
3151 sk_OPENSSL_STRING_free(ssl_args);
3152 sk_OPENSSL_STRING_free(dane_tlsa_rrset);
3153 SSL_CONF_CTX_free(cctx);
3154 OPENSSL_clear_free(cbuf, BUFSIZZ);
3155 OPENSSL_clear_free(sbuf, BUFSIZZ);
3156 OPENSSL_clear_free(mbuf, BUFSIZZ);
3157 if (proxypass != NULL)
3158 OPENSSL_clear_free(proxypass, strlen(proxypass));
3160 BIO_free(bio_c_out);
3162 BIO_free(bio_c_msg);
3167 static void print_stuff(BIO *bio, SSL *s, int full)
3171 const SSL_CIPHER *c;
3172 int i, istls13 = (SSL_version(s) == TLS1_3_VERSION);
3174 #ifndef OPENSSL_NO_COMP
3175 const COMP_METHOD *comp, *expansion;
3177 unsigned char *exportedkeymat;
3178 #ifndef OPENSSL_NO_CT
3179 const SSL_CTX *ctx = SSL_get_SSL_CTX(s);
3183 int got_a_chain = 0;
3185 sk = SSL_get_peer_cert_chain(s);
3189 BIO_printf(bio, "---\nCertificate chain\n");
3190 for (i = 0; i < sk_X509_num(sk); i++) {
3191 BIO_printf(bio, "%2d s:", i);
3192 X509_NAME_print_ex(bio, X509_get_subject_name(sk_X509_value(sk, i)), 0, get_nameopt());
3193 BIO_puts(bio, "\n");
3194 BIO_printf(bio, " i:");
3195 X509_NAME_print_ex(bio, X509_get_issuer_name(sk_X509_value(sk, i)), 0, get_nameopt());
3196 BIO_puts(bio, "\n");
3198 PEM_write_bio_X509(bio, sk_X509_value(sk, i));
3202 BIO_printf(bio, "---\n");
3203 peer = SSL_get_peer_certificate(s);
3205 BIO_printf(bio, "Server certificate\n");
3207 /* Redundant if we showed the whole chain */
3208 if (!(c_showcerts && got_a_chain))
3209 PEM_write_bio_X509(bio, peer);
3210 dump_cert_text(bio, peer);
3212 BIO_printf(bio, "no peer certificate available\n");
3214 print_ca_names(bio, s);
3216 ssl_print_sigalgs(bio, s);
3217 ssl_print_tmp_key(bio, s);
3219 #ifndef OPENSSL_NO_CT
3221 * When the SSL session is anonymous, or resumed via an abbreviated
3222 * handshake, no SCTs are provided as part of the handshake. While in
3223 * a resumed session SCTs may be present in the session's certificate,
3224 * no callbacks are invoked to revalidate these, and in any case that
3225 * set of SCTs may be incomplete. Thus it makes little sense to
3226 * attempt to display SCTs from a resumed session's certificate, and of
3227 * course none are associated with an anonymous peer.
3229 if (peer != NULL && !SSL_session_reused(s) && SSL_ct_is_enabled(s)) {
3230 const STACK_OF(SCT) *scts = SSL_get0_peer_scts(s);
3231 int sct_count = scts != NULL ? sk_SCT_num(scts) : 0;
3233 BIO_printf(bio, "---\nSCTs present (%i)\n", sct_count);
3234 if (sct_count > 0) {
3235 const CTLOG_STORE *log_store = SSL_CTX_get0_ctlog_store(ctx);
3237 BIO_printf(bio, "---\n");
3238 for (i = 0; i < sct_count; ++i) {
3239 SCT *sct = sk_SCT_value(scts, i);
3241 BIO_printf(bio, "SCT validation status: %s\n",
3242 SCT_validation_status_string(sct));
3243 SCT_print(sct, bio, 0, log_store);
3244 if (i < sct_count - 1)
3245 BIO_printf(bio, "\n---\n");
3247 BIO_printf(bio, "\n");
3253 "---\nSSL handshake has read %ju bytes "
3254 "and written %ju bytes\n",
3255 BIO_number_read(SSL_get_rbio(s)),
3256 BIO_number_written(SSL_get_wbio(s)));
3258 print_verify_detail(s, bio);
3259 BIO_printf(bio, (SSL_session_reused(s) ? "---\nReused, " : "---\nNew, "));
3260 c = SSL_get_current_cipher(s);
3261 BIO_printf(bio, "%s, Cipher is %s\n",
3262 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
3266 pktmp = X509_get0_pubkey(peer);
3267 BIO_printf(bio, "Server public key is %d bit\n",
3268 EVP_PKEY_bits(pktmp));
3270 BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
3271 SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
3272 #ifndef OPENSSL_NO_COMP
3273 comp = SSL_get_current_compression(s);
3274 expansion = SSL_get_current_expansion(s);
3275 BIO_printf(bio, "Compression: %s\n",
3276 comp ? SSL_COMP_get_name(comp) : "NONE");
3277 BIO_printf(bio, "Expansion: %s\n",
3278 expansion ? SSL_COMP_get_name(expansion) : "NONE");
3280 #ifndef OPENSSL_NO_KTLS
3281 if (BIO_get_ktls_send(SSL_get_wbio(s)))
3282 BIO_printf(bio_err, "Using Kernel TLS for sending\n");
3283 if (BIO_get_ktls_recv(SSL_get_rbio(s)))
3284 BIO_printf(bio_err, "Using Kernel TLS for receiving\n");
3287 if (OSSL_TRACE_ENABLED(TLS)) {
3288 /* Print out local port of connection: useful for debugging */
3290 union BIO_sock_info_u info;
3292 sock = SSL_get_fd(s);
3293 if ((info.addr = BIO_ADDR_new()) != NULL
3294 && BIO_sock_info(sock, BIO_SOCK_INFO_ADDRESS, &info)) {
3295 BIO_printf(bio_c_out, "LOCAL PORT is %u\n",
3296 ntohs(BIO_ADDR_rawport(info.addr)));
3298 BIO_ADDR_free(info.addr);
3301 #if !defined(OPENSSL_NO_NEXTPROTONEG)
3302 if (next_proto.status != -1) {
3303 const unsigned char *proto;
3304 unsigned int proto_len;
3305 SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
3306 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
3307 BIO_write(bio, proto, proto_len);
3308 BIO_write(bio, "\n", 1);
3312 const unsigned char *proto;
3313 unsigned int proto_len;
3314 SSL_get0_alpn_selected(s, &proto, &proto_len);
3315 if (proto_len > 0) {
3316 BIO_printf(bio, "ALPN protocol: ");
3317 BIO_write(bio, proto, proto_len);
3318 BIO_write(bio, "\n", 1);
3320 BIO_printf(bio, "No ALPN negotiated\n");
3323 #ifndef OPENSSL_NO_SRTP
3325 SRTP_PROTECTION_PROFILE *srtp_profile =
3326 SSL_get_selected_srtp_profile(s);
3329 BIO_printf(bio, "SRTP Extension negotiated, profile=%s\n",
3330 srtp_profile->name);
3335 switch (SSL_get_early_data_status(s)) {
3336 case SSL_EARLY_DATA_NOT_SENT:
3337 BIO_printf(bio, "Early data was not sent\n");
3340 case SSL_EARLY_DATA_REJECTED:
3341 BIO_printf(bio, "Early data was rejected\n");
3344 case SSL_EARLY_DATA_ACCEPTED:
3345 BIO_printf(bio, "Early data was accepted\n");
3351 * We also print the verify results when we dump session information,
3352 * but in TLSv1.3 we may not get that right away (or at all) depending
3353 * on when we get a NewSessionTicket. Therefore we print it now as well.
3355 verify_result = SSL_get_verify_result(s);
3356 BIO_printf(bio, "Verify return code: %ld (%s)\n", verify_result,
3357 X509_verify_cert_error_string(verify_result));
3359 /* In TLSv1.3 we do this on arrival of a NewSessionTicket */
3360 SSL_SESSION_print(bio, SSL_get_session(s));
3363 if (SSL_get_session(s) != NULL && keymatexportlabel != NULL) {
3364 BIO_printf(bio, "Keying material exporter:\n");
3365 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel);
3366 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen);
3367 exportedkeymat = app_malloc(keymatexportlen, "export key");
3368 if (!SSL_export_keying_material(s, exportedkeymat,
3371 strlen(keymatexportlabel),
3373 BIO_printf(bio, " Error\n");
3375 BIO_printf(bio, " Keying material: ");
3376 for (i = 0; i < keymatexportlen; i++)
3377 BIO_printf(bio, "%02X", exportedkeymat[i]);
3378 BIO_printf(bio, "\n");
3380 OPENSSL_free(exportedkeymat);
3382 BIO_printf(bio, "---\n");
3384 /* flush, or debugging output gets mixed with http response */
3385 (void)BIO_flush(bio);
3388 # ifndef OPENSSL_NO_OCSP
3389 static int ocsp_resp_cb(SSL *s, void *arg)
3391 const unsigned char *p;
3394 len = SSL_get_tlsext_status_ocsp_resp(s, &p);
3395 BIO_puts(arg, "OCSP response: ");
3397 BIO_puts(arg, "no response sent\n");
3400 rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
3402 BIO_puts(arg, "response parse error\n");
3403 BIO_dump_indent(arg, (char *)p, len, 4);
3406 BIO_puts(arg, "\n======================================\n");
3407 OCSP_RESPONSE_print(arg, rsp, 0);
3408 BIO_puts(arg, "======================================\n");
3409 OCSP_RESPONSE_free(rsp);
3414 static int ldap_ExtendedResponse_parse(const char *buf, long rem)
3416 const unsigned char *cur, *end;
3418 int tag, xclass, inf, ret = -1;
3420 cur = (const unsigned char *)buf;
3426 * LDAPMessage ::= SEQUENCE {
3427 * messageID MessageID,
3428 * protocolOp CHOICE {
3430 * extendedResp ExtendedResponse,
3432 * controls [0] Controls OPTIONAL }
3434 * ExtendedResponse ::= [APPLICATION 24] SEQUENCE {
3435 * COMPONENTS OF LDAPResult,
3436 * responseName [10] LDAPOID OPTIONAL,
3437 * responseValue [11] OCTET STRING OPTIONAL }
3439 * LDAPResult ::= SEQUENCE {
3440 * resultCode ENUMERATED {
3446 * diagnosticMessage LDAPString,
3447 * referral [3] Referral OPTIONAL }
3451 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3452 if (inf != V_ASN1_CONSTRUCTED || tag != V_ASN1_SEQUENCE ||
3453 (rem = end - cur, len > rem)) {
3454 BIO_printf(bio_err, "Unexpected LDAP response\n");
3458 rem = len; /* ensure that we don't overstep the SEQUENCE */
3460 /* pull MessageID */
3461 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3462 if (inf != V_ASN1_UNIVERSAL || tag != V_ASN1_INTEGER ||
3463 (rem = end - cur, len > rem)) {
3464 BIO_printf(bio_err, "No MessageID\n");
3468 cur += len; /* shall we check for MessageId match or just skip? */
3470 /* pull [APPLICATION 24] */
3472 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3473 if (inf != V_ASN1_CONSTRUCTED || xclass != V_ASN1_APPLICATION ||
3475 BIO_printf(bio_err, "Not ExtendedResponse\n");
3479 /* pull resultCode */
3481 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3482 if (inf != V_ASN1_UNIVERSAL || tag != V_ASN1_ENUMERATED || len == 0 ||
3483 (rem = end - cur, len > rem)) {
3484 BIO_printf(bio_err, "Not LDAPResult\n");
3488 /* len should always be one, but just in case... */
3489 for (ret = 0, inf = 0; inf < len; inf++) {
3493 /* There is more data, but we don't care... */
3499 * Host dNS Name verifier: used for checking that the hostname is in dNS format
3500 * before setting it as SNI
3502 static int is_dNS_name(const char *host)
3504 const size_t MAX_LABEL_LENGTH = 63;
3507 size_t length = strlen(host);
3508 size_t label_length = 0;
3509 int all_numeric = 1;
3512 * Deviation from strict DNS name syntax, also check names with '_'
3513 * Check DNS name syntax, any '-' or '.' must be internal,
3514 * and on either side of each '.' we can't have a '-' or '.'.
3516 * If the name has just one label, we don't consider it a DNS name.
3518 for (i = 0; i < length && label_length < MAX_LABEL_LENGTH; ++i) {
3521 if ((c >= 'a' && c <= 'z')
3522 || (c >= 'A' && c <= 'Z')
3529 if (c >= '0' && c <= '9') {
3534 /* Dot and hyphen cannot be first or last. */
3535 if (i > 0 && i < length - 1) {
3541 * Next to a dot the preceding and following characters must not be
3542 * another dot or a hyphen. Otherwise, record that the name is
3543 * plausible, since it has two or more labels.
3546 && host[i + 1] != '.'
3547 && host[i - 1] != '-'
3548 && host[i + 1] != '-') {
3558 /* dNS name must not be all numeric and labels must be shorter than 64 characters. */
3559 isdnsname &= !all_numeric && !(label_length == MAX_LABEL_LENGTH);
3563 #endif /* OPENSSL_NO_SOCK */