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");
208 usesess = SSL_SESSION_new();
210 || !SSL_SESSION_set1_master_key(usesess, key, key_len)
211 || !SSL_SESSION_set_cipher(usesess, cipher)
212 || !SSL_SESSION_set_protocol_version(usesess, TLS1_3_VERSION)) {
219 cipher = SSL_SESSION_get0_cipher(usesess);
223 if (md != NULL && SSL_CIPHER_get_handshake_digest(cipher) != md) {
224 /* PSK not usable, ignore it */
228 SSL_SESSION_free(usesess);
231 *id = (unsigned char *)psk_identity;
232 *idlen = strlen(psk_identity);
238 SSL_SESSION_free(usesess);
242 /* This is a context that we pass to callbacks */
243 typedef struct tlsextctx_st {
248 static int ssl_servername_cb(SSL *s, int *ad, void *arg)
250 tlsextctx *p = (tlsextctx *) arg;
251 const char *hn = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
252 if (SSL_get_servername_type(s) != -1)
253 p->ack = !SSL_session_reused(s) && hn != NULL;
255 BIO_printf(bio_err, "Can't use SSL_get_servername\n");
257 return SSL_TLSEXT_ERR_OK;
260 #ifndef OPENSSL_NO_SRP
262 /* This is a context that we pass to all callbacks */
263 typedef struct srp_arg_st {
266 int msg; /* copy from c_msg */
267 int debug; /* copy from c_debug */
268 int amp; /* allow more groups */
269 int strength; /* minimal size for N */
272 # define SRP_NUMBER_ITERATIONS_FOR_PRIME 64
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_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) == 1 &&
282 p != NULL && BN_rshift1(p, N) &&
284 BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, 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_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH,
584 OPT_KEY, OPT_RECONNECT, OPT_BUILD_CHAIN, OPT_CAFILE, OPT_NOCAFILE,
585 OPT_CHAINCAFILE, OPT_VERIFYCAFILE, OPT_NEXTPROTONEG, OPT_ALPN,
586 OPT_SERVERINFO, OPT_STARTTLS, OPT_SERVERNAME, OPT_NOSERVERNAME, OPT_ASYNC,
587 OPT_USE_SRTP, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN, OPT_PROTOHOST,
588 OPT_MAXFRAGLEN, OPT_MAX_SEND_FRAG, OPT_SPLIT_SEND_FRAG, OPT_MAX_PIPELINES,
589 OPT_READ_BUF, OPT_KEYLOG_FILE, OPT_EARLY_DATA, OPT_REQCAFILE,
593 OPT_FALLBACKSCSV, OPT_NOCMDS, OPT_PROXY, OPT_DANE_TLSA_DOMAIN,
594 #ifndef OPENSSL_NO_CT
595 OPT_CT, OPT_NOCT, OPT_CTLOG_FILE,
597 OPT_DANE_TLSA_RRDATA, OPT_DANE_EE_NO_NAME,
603 const OPTIONS s_client_options[] = {
604 {"help", OPT_HELP, '-', "Display this summary"},
605 {"host", OPT_HOST, 's', "Use -connect instead"},
606 {"port", OPT_PORT, 'p', "Use -connect instead"},
607 {"connect", OPT_CONNECT, 's',
608 "TCP/IP where to connect (default is :" PORT ")"},
609 {"bind", OPT_BIND, 's', "bind local address for connection"},
610 {"proxy", OPT_PROXY, 's',
611 "Connect to via specified proxy to the real server"},
613 {"unix", OPT_UNIX, 's', "Connect over the specified Unix-domain socket"},
615 {"4", OPT_4, '-', "Use IPv4 only"},
617 {"6", OPT_6, '-', "Use IPv6 only"},
619 {"verify", OPT_VERIFY, 'p', "Turn on peer certificate verification"},
620 {"cert", OPT_CERT, '<', "Certificate file to use, PEM format assumed"},
621 {"certform", OPT_CERTFORM, 'F',
622 "Certificate format (PEM or DER) PEM default"},
623 {"nameopt", OPT_NAMEOPT, 's', "Various certificate name options"},
624 {"key", OPT_KEY, 's', "Private key file to use, if not in -cert file"},
625 {"keyform", OPT_KEYFORM, 'E', "Key format (PEM, DER or engine) PEM default"},
626 {"pass", OPT_PASS, 's', "Private key file pass phrase source"},
627 {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
628 {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
629 {"no-CAfile", OPT_NOCAFILE, '-',
630 "Do not load the default certificates file"},
631 {"no-CApath", OPT_NOCAPATH, '-',
632 "Do not load certificates from the default certificates directory"},
633 {"requestCAfile", OPT_REQCAFILE, '<',
634 "PEM format file of CA names to send to the server"},
635 {"dane_tlsa_domain", OPT_DANE_TLSA_DOMAIN, 's', "DANE TLSA base domain"},
636 {"dane_tlsa_rrdata", OPT_DANE_TLSA_RRDATA, 's',
637 "DANE TLSA rrdata presentation form"},
638 {"dane_ee_no_namechecks", OPT_DANE_EE_NO_NAME, '-',
639 "Disable name checks when matching DANE-EE(3) TLSA records"},
640 {"reconnect", OPT_RECONNECT, '-',
641 "Drop and re-make the connection with the same Session-ID"},
642 {"showcerts", OPT_SHOWCERTS, '-',
643 "Show all certificates sent by the server"},
644 {"debug", OPT_DEBUG, '-', "Extra output"},
645 {"msg", OPT_MSG, '-', "Show protocol messages"},
646 {"msgfile", OPT_MSGFILE, '>',
647 "File to send output of -msg or -trace, instead of stdout"},
648 {"nbio_test", OPT_NBIO_TEST, '-', "More ssl protocol testing"},
649 {"state", OPT_STATE, '-', "Print the ssl states"},
650 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"},
651 {"quiet", OPT_QUIET, '-', "No s_client output"},
652 {"ign_eof", OPT_IGN_EOF, '-', "Ignore input eof (default when -quiet)"},
653 {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Don't ignore input eof"},
654 {"starttls", OPT_STARTTLS, 's',
655 "Use the appropriate STARTTLS command before starting TLS"},
656 {"xmpphost", OPT_XMPPHOST, 's',
657 "Alias of -name option for \"-starttls xmpp[-server]\""},
659 {"sess_out", OPT_SESS_OUT, '>', "File to write SSL session to"},
660 {"sess_in", OPT_SESS_IN, '<', "File to read SSL session from"},
661 #ifndef OPENSSL_NO_SRTP
662 {"use_srtp", OPT_USE_SRTP, 's',
663 "Offer SRTP key management with a colon-separated profile list"},
665 {"keymatexport", OPT_KEYMATEXPORT, 's',
666 "Export keying material using label"},
667 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
668 "Export len bytes of keying material (default 20)"},
669 {"maxfraglen", OPT_MAXFRAGLEN, 'p',
670 "Enable Maximum Fragment Length Negotiation (len values: 512, 1024, 2048 and 4096)"},
671 {"fallback_scsv", OPT_FALLBACKSCSV, '-', "Send the fallback SCSV"},
672 {"name", OPT_PROTOHOST, 's',
673 "Hostname to use for \"-starttls lmtp\", \"-starttls smtp\" or \"-starttls xmpp[-server]\""},
674 {"CRL", OPT_CRL, '<', "CRL file to use"},
675 {"crl_download", OPT_CRL_DOWNLOAD, '-', "Download CRL from distribution points"},
676 {"CRLform", OPT_CRLFORM, 'F', "CRL format (PEM or DER) PEM is default"},
677 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-',
678 "Close connection on verification error"},
679 {"verify_quiet", OPT_VERIFY_QUIET, '-', "Restrict verify output to errors"},
680 {"brief", OPT_BRIEF, '-',
681 "Restrict output to brief summary of connection parameters"},
682 {"prexit", OPT_PREXIT, '-',
683 "Print session information when the program exits"},
684 {"security_debug", OPT_SECURITY_DEBUG, '-',
685 "Enable security debug messages"},
686 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-',
687 "Output more security debug output"},
688 {"cert_chain", OPT_CERT_CHAIN, '<',
689 "Certificate chain file (in PEM format)"},
690 {"chainCApath", OPT_CHAINCAPATH, '/',
691 "Use dir as certificate store path to build CA certificate chain"},
692 {"verifyCApath", OPT_VERIFYCAPATH, '/',
693 "Use dir as certificate store path to verify CA certificate"},
694 {"build_chain", OPT_BUILD_CHAIN, '-', "Build certificate chain"},
695 {"chainCAfile", OPT_CHAINCAFILE, '<',
696 "CA file for certificate chain (PEM format)"},
697 {"verifyCAfile", OPT_VERIFYCAFILE, '<',
698 "CA file for certificate verification (PEM format)"},
699 {"nocommands", OPT_NOCMDS, '-', "Do not use interactive command letters"},
700 {"servername", OPT_SERVERNAME, 's',
701 "Set TLS extension servername (SNI) in ClientHello (default)"},
702 {"noservername", OPT_NOSERVERNAME, '-',
703 "Do not send the server name (SNI) extension in the ClientHello"},
704 {"tlsextdebug", OPT_TLSEXTDEBUG, '-',
705 "Hex dump of all TLS extensions received"},
706 #ifndef OPENSSL_NO_OCSP
707 {"status", OPT_STATUS, '-', "Request certificate status from server"},
709 {"serverinfo", OPT_SERVERINFO, 's',
710 "types Send empty ClientHello extensions (comma-separated numbers)"},
711 {"alpn", OPT_ALPN, 's',
712 "Enable ALPN extension, considering named protocols supported (comma-separated list)"},
713 {"async", OPT_ASYNC, '-', "Support asynchronous operation"},
714 {"ssl_config", OPT_SSL_CONFIG, 's', "Use specified configuration file"},
715 {"max_send_frag", OPT_MAX_SEND_FRAG, 'p', "Maximum Size of send frames "},
716 {"split_send_frag", OPT_SPLIT_SEND_FRAG, 'p',
717 "Size used to split data for encrypt pipelines"},
718 {"max_pipelines", OPT_MAX_PIPELINES, 'p',
719 "Maximum number of encrypt/decrypt pipelines to be used"},
720 {"read_buf", OPT_READ_BUF, 'p',
721 "Default read buffer size to be used for connections"},
725 #ifndef OPENSSL_NO_SSL3
726 {"ssl3", OPT_SSL3, '-', "Just use SSLv3"},
728 #ifndef OPENSSL_NO_TLS1
729 {"tls1", OPT_TLS1, '-', "Just use TLSv1"},
731 #ifndef OPENSSL_NO_TLS1_1
732 {"tls1_1", OPT_TLS1_1, '-', "Just use TLSv1.1"},
734 #ifndef OPENSSL_NO_TLS1_2
735 {"tls1_2", OPT_TLS1_2, '-', "Just use TLSv1.2"},
737 #ifndef OPENSSL_NO_TLS1_3
738 {"tls1_3", OPT_TLS1_3, '-', "Just use TLSv1.3"},
740 #ifndef OPENSSL_NO_DTLS
741 {"dtls", OPT_DTLS, '-', "Use any version of DTLS"},
742 {"timeout", OPT_TIMEOUT, '-',
743 "Enable send/receive timeout on DTLS connections"},
744 {"mtu", OPT_MTU, 'p', "Set the link layer MTU"},
746 #ifndef OPENSSL_NO_DTLS1
747 {"dtls1", OPT_DTLS1, '-', "Just use DTLSv1"},
749 #ifndef OPENSSL_NO_DTLS1_2
750 {"dtls1_2", OPT_DTLS1_2, '-', "Just use DTLSv1.2"},
752 #ifndef OPENSSL_NO_SCTP
753 {"sctp", OPT_SCTP, '-', "Use SCTP"},
754 {"sctp_label_bug", OPT_SCTP_LABEL_BUG, '-', "Enable SCTP label length bug"},
756 #ifndef OPENSSL_NO_SSL_TRACE
757 {"trace", OPT_TRACE, '-', "Show trace output of protocol messages"},
760 {"wdebug", OPT_WDEBUG, '-', "WATT-32 tcp debugging"},
762 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"},
763 {"psk_identity", OPT_PSK_IDENTITY, 's', "PSK identity"},
764 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"},
765 {"psk_session", OPT_PSK_SESS, '<', "File to read PSK SSL session from"},
766 #ifndef OPENSSL_NO_SRP
767 {"srpuser", OPT_SRPUSER, 's', "SRP authentication for 'user'"},
768 {"srppass", OPT_SRPPASS, 's', "Password for 'user'"},
769 {"srp_lateuser", OPT_SRP_LATEUSER, '-',
770 "SRP username into second ClientHello message"},
771 {"srp_moregroups", OPT_SRP_MOREGROUPS, '-',
772 "Tolerate other than the known g N values."},
773 {"srp_strength", OPT_SRP_STRENGTH, 'p', "Minimal length in bits for N"},
775 #ifndef OPENSSL_NO_NEXTPROTONEG
776 {"nextprotoneg", OPT_NEXTPROTONEG, 's',
777 "Enable NPN extension, considering named protocols supported (comma-separated list)"},
779 #ifndef OPENSSL_NO_ENGINE
780 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
781 {"ssl_client_engine", OPT_SSL_CLIENT_ENGINE, 's',
782 "Specify engine to be used for client certificate operations"},
784 #ifndef OPENSSL_NO_CT
785 {"ct", OPT_CT, '-', "Request and parse SCTs (also enables OCSP stapling)"},
786 {"noct", OPT_NOCT, '-', "Do not request or parse SCTs (default)"},
787 {"ctlogfile", OPT_CTLOG_FILE, '<', "CT log list CONF file"},
789 {"keylogfile", OPT_KEYLOG_FILE, '>', "Write TLS secrets to file"},
790 {"early_data", OPT_EARLY_DATA, '<', "File to send as early data"},
791 {"enable_pha", OPT_ENABLE_PHA, '-', "Enable post-handshake-authentication"},
792 {NULL, OPT_EOF, 0x00, NULL}
795 typedef enum PROTOCOL_choice {
814 static const OPT_PAIR services[] = {
815 {"smtp", PROTO_SMTP},
816 {"pop3", PROTO_POP3},
817 {"imap", PROTO_IMAP},
819 {"xmpp", PROTO_XMPP},
820 {"xmpp-server", PROTO_XMPP_SERVER},
821 {"telnet", PROTO_TELNET},
823 {"mysql", PROTO_MYSQL},
824 {"postgres", PROTO_POSTGRES},
825 {"lmtp", PROTO_LMTP},
826 {"nntp", PROTO_NNTP},
827 {"sieve", PROTO_SIEVE},
828 {"ldap", PROTO_LDAP},
832 #define IS_INET_FLAG(o) \
833 (o == OPT_4 || o == OPT_6 || o == OPT_HOST || o == OPT_PORT || o == OPT_CONNECT)
834 #define IS_UNIX_FLAG(o) (o == OPT_UNIX)
836 #define IS_PROT_FLAG(o) \
837 (o == OPT_SSL3 || o == OPT_TLS1 || o == OPT_TLS1_1 || o == OPT_TLS1_2 \
838 || o == OPT_TLS1_3 || o == OPT_DTLS || o == OPT_DTLS1 || o == OPT_DTLS1_2)
840 /* Free |*dest| and optionally set it to a copy of |source|. */
841 static void freeandcopy(char **dest, const char *source)
846 *dest = OPENSSL_strdup(source);
849 static int new_session_cb(SSL *s, SSL_SESSION *sess)
852 if (sess_out != NULL) {
853 BIO *stmp = BIO_new_file(sess_out, "w");
856 BIO_printf(bio_err, "Error writing session file %s\n", sess_out);
858 PEM_write_bio_SSL_SESSION(stmp, sess);
864 * Session data gets dumped on connection for TLSv1.2 and below, and on
865 * arrival of the NewSessionTicket for TLSv1.3.
867 if (SSL_version(s) == TLS1_3_VERSION) {
868 BIO_printf(bio_c_out,
869 "---\nPost-Handshake New Session Ticket arrived:\n");
870 SSL_SESSION_print(bio_c_out, sess);
871 BIO_printf(bio_c_out, "---\n");
875 * We always return a "fail" response so that the session gets freed again
876 * because we haven't used the reference.
881 int s_client_main(int argc, char **argv)
884 EVP_PKEY *key = NULL;
887 STACK_OF(X509) *chain = NULL;
889 X509_VERIFY_PARAM *vpm = NULL;
890 SSL_EXCERT *exc = NULL;
891 SSL_CONF_CTX *cctx = NULL;
892 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
893 char *dane_tlsa_domain = NULL;
894 STACK_OF(OPENSSL_STRING) *dane_tlsa_rrset = NULL;
895 int dane_ee_no_name = 0;
896 STACK_OF(X509_CRL) *crls = NULL;
897 const SSL_METHOD *meth = TLS_client_method();
898 const char *CApath = NULL, *CAfile = NULL;
899 char *cbuf = NULL, *sbuf = NULL;
900 char *mbuf = NULL, *proxystr = NULL, *connectstr = NULL, *bindstr = NULL;
901 char *cert_file = NULL, *key_file = NULL, *chain_file = NULL;
902 char *chCApath = NULL, *chCAfile = NULL, *host = NULL;
903 char *port = OPENSSL_strdup(PORT);
904 char *bindhost = NULL, *bindport = NULL;
905 char *passarg = NULL, *pass = NULL, *vfyCApath = NULL, *vfyCAfile = NULL;
906 char *ReqCAfile = NULL;
907 char *sess_in = NULL, *crl_file = NULL, *p;
908 const char *protohost = NULL;
909 struct timeval timeout, *timeoutp;
910 fd_set readfds, writefds;
911 int noCApath = 0, noCAfile = 0;
912 int build_chain = 0, cbuf_len, cbuf_off, cert_format = FORMAT_PEM;
913 int key_format = FORMAT_PEM, crlf = 0, full_log = 1, mbuf_len = 0;
916 int reconnect = 0, verify = SSL_VERIFY_NONE, vpmtouched = 0;
917 int ret = 1, in_init = 1, i, nbio_test = 0, s = -1, k, width, state = 0;
918 int sbuf_len, sbuf_off, cmdletters = 1;
919 int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM, protocol = 0;
920 int starttls_proto = PROTO_OFF, crl_format = FORMAT_PEM, crl_download = 0;
921 int write_tty, read_tty, write_ssl, read_ssl, tty_on, ssl_pending;
922 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
925 int read_buf_len = 0;
926 int fallback_scsv = 0;
928 #ifndef OPENSSL_NO_DTLS
929 int enable_timeouts = 0;
932 #ifndef OPENSSL_NO_ENGINE
933 ENGINE *ssl_client_engine = NULL;
936 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
939 const char *servername = NULL;
940 int noservername = 0;
941 const char *alpn_in = NULL;
942 tlsextctx tlsextcbp = { NULL, 0 };
943 const char *ssl_config = NULL;
944 #define MAX_SI_TYPES 100
945 unsigned short serverinfo_types[MAX_SI_TYPES];
946 int serverinfo_count = 0, start = 0, len;
947 #ifndef OPENSSL_NO_NEXTPROTONEG
948 const char *next_proto_neg_in = NULL;
950 #ifndef OPENSSL_NO_SRP
951 char *srppass = NULL;
952 int srp_lateuser = 0;
953 SRP_ARG srp_arg = { NULL, NULL, 0, 0, 0, 1024 };
955 #ifndef OPENSSL_NO_SRTP
956 char *srtp_profiles = NULL;
958 #ifndef OPENSSL_NO_CT
959 char *ctlog_file = NULL;
960 int ct_validation = 0;
962 int min_version = 0, max_version = 0, prot_opt = 0, no_prot_opt = 0;
964 unsigned int max_send_fragment = 0;
965 unsigned int split_send_fragment = 0, max_pipelines = 0;
966 enum { use_inet, use_unix, use_unknown } connect_type = use_unknown;
968 uint8_t maxfraglen = 0;
969 int c_nbio = 0, c_msg = 0, c_ign_eof = 0, c_brief = 0;
970 int c_tlsextdebug = 0;
971 #ifndef OPENSSL_NO_OCSP
972 int c_status_req = 0;
974 BIO *bio_c_msg = NULL;
975 const char *keylog_file = NULL, *early_data_file = NULL;
976 #ifndef OPENSSL_NO_DTLS
979 char *psksessf = NULL;
981 #ifndef OPENSSL_NO_SCTP
982 int sctp_label_bug = 0;
987 /* Known false-positive of MemorySanitizer. */
988 #if defined(__has_feature)
989 # if __has_feature(memory_sanitizer)
990 __msan_unpoison(&readfds, sizeof(readfds));
991 __msan_unpoison(&writefds, sizeof(writefds));
995 prog = opt_progname(argv[0]);
1000 vpm = X509_VERIFY_PARAM_new();
1001 cctx = SSL_CONF_CTX_new();
1003 if (vpm == NULL || cctx == NULL) {
1004 BIO_printf(bio_err, "%s: out of memory\n", prog);
1008 cbuf = app_malloc(BUFSIZZ, "cbuf");
1009 sbuf = app_malloc(BUFSIZZ, "sbuf");
1010 mbuf = app_malloc(BUFSIZZ, "mbuf");
1012 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT | SSL_CONF_FLAG_CMDLINE);
1014 prog = opt_init(argc, argv, s_client_options);
1015 while ((o = opt_next()) != OPT_EOF) {
1016 /* Check for intermixing flags. */
1017 if (connect_type == use_unix && IS_INET_FLAG(o)) {
1019 "%s: Intermixed protocol flags (unix and internet domains)\n",
1023 if (connect_type == use_inet && IS_UNIX_FLAG(o)) {
1025 "%s: Intermixed protocol flags (internet and unix domains)\n",
1030 if (IS_PROT_FLAG(o) && ++prot_opt > 1) {
1031 BIO_printf(bio_err, "Cannot supply multiple protocol flags\n");
1034 if (IS_NO_PROT_FLAG(o))
1036 if (prot_opt == 1 && no_prot_opt) {
1038 "Cannot supply both a protocol flag and '-no_<prot>'\n");
1046 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
1049 opt_help(s_client_options);
1053 connect_type = use_inet;
1054 socket_family = AF_INET;
1059 connect_type = use_inet;
1060 socket_family = AF_INET6;
1065 connect_type = use_inet;
1066 freeandcopy(&host, opt_arg());
1069 connect_type = use_inet;
1070 freeandcopy(&port, opt_arg());
1073 connect_type = use_inet;
1074 freeandcopy(&connectstr, opt_arg());
1077 freeandcopy(&bindstr, opt_arg());
1080 proxystr = opt_arg();
1081 starttls_proto = PROTO_CONNECT;
1085 connect_type = use_unix;
1086 socket_family = AF_UNIX;
1087 freeandcopy(&host, opt_arg());
1091 /* fall through, since this is an alias */
1093 protohost = opt_arg();
1096 verify = SSL_VERIFY_PEER;
1097 verify_args.depth = atoi(opt_arg());
1099 BIO_printf(bio_err, "verify depth is %d\n", verify_args.depth);
1102 cert_file = opt_arg();
1105 if (!set_nameopt(opt_arg()))
1109 crl_file = opt_arg();
1111 case OPT_CRL_DOWNLOAD:
1115 sess_out = opt_arg();
1118 sess_in = opt_arg();
1121 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &cert_format))
1125 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
1128 case OPT_VERIFY_RET_ERROR:
1129 verify_args.return_error = 1;
1131 case OPT_VERIFY_QUIET:
1132 verify_args.quiet = 1;
1135 c_brief = verify_args.quiet = c_quiet = 1;
1138 if (ssl_args == NULL)
1139 ssl_args = sk_OPENSSL_STRING_new_null();
1140 if (ssl_args == NULL
1141 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
1142 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
1143 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1148 if (!opt_verify(o, vpm))
1153 if (!args_excert(o, &exc))
1163 c_quiet = c_ign_eof = 1;
1172 e = setup_engine(opt_arg(), 1);
1174 case OPT_SSL_CLIENT_ENGINE:
1175 #ifndef OPENSSL_NO_ENGINE
1176 ssl_client_engine = ENGINE_by_id(opt_arg());
1177 if (ssl_client_engine == NULL) {
1178 BIO_printf(bio_err, "Error getting client auth engine\n");
1190 case OPT_NO_IGN_EOF:
1196 case OPT_TLSEXTDEBUG:
1200 #ifndef OPENSSL_NO_OCSP
1213 bio_c_msg = BIO_new_file(opt_arg(), "w");
1216 #ifndef OPENSSL_NO_SSL_TRACE
1220 case OPT_SECURITY_DEBUG:
1223 case OPT_SECURITY_DEBUG_VERBOSE:
1235 case OPT_PSK_IDENTITY:
1236 psk_identity = opt_arg();
1239 for (p = psk_key = opt_arg(); *p; p++) {
1240 if (isxdigit(_UC(*p)))
1242 BIO_printf(bio_err, "Not a hex number '%s'\n", psk_key);
1247 psksessf = opt_arg();
1249 #ifndef OPENSSL_NO_SRP
1251 srp_arg.srplogin = opt_arg();
1252 if (min_version < TLS1_VERSION)
1253 min_version = TLS1_VERSION;
1256 srppass = opt_arg();
1257 if (min_version < TLS1_VERSION)
1258 min_version = TLS1_VERSION;
1260 case OPT_SRP_STRENGTH:
1261 srp_arg.strength = atoi(opt_arg());
1262 BIO_printf(bio_err, "SRP minimal length for N is %d\n",
1264 if (min_version < TLS1_VERSION)
1265 min_version = TLS1_VERSION;
1267 case OPT_SRP_LATEUSER:
1269 if (min_version < TLS1_VERSION)
1270 min_version = TLS1_VERSION;
1272 case OPT_SRP_MOREGROUPS:
1274 if (min_version < TLS1_VERSION)
1275 min_version = TLS1_VERSION;
1278 case OPT_SSL_CONFIG:
1279 ssl_config = opt_arg();
1282 min_version = SSL3_VERSION;
1283 max_version = SSL3_VERSION;
1286 min_version = TLS1_3_VERSION;
1287 max_version = TLS1_3_VERSION;
1290 min_version = TLS1_2_VERSION;
1291 max_version = TLS1_2_VERSION;
1294 min_version = TLS1_1_VERSION;
1295 max_version = TLS1_1_VERSION;
1298 min_version = TLS1_VERSION;
1299 max_version = TLS1_VERSION;
1302 #ifndef OPENSSL_NO_DTLS
1303 meth = DTLS_client_method();
1304 socket_type = SOCK_DGRAM;
1309 #ifndef OPENSSL_NO_DTLS1
1310 meth = DTLS_client_method();
1311 min_version = DTLS1_VERSION;
1312 max_version = DTLS1_VERSION;
1313 socket_type = SOCK_DGRAM;
1318 #ifndef OPENSSL_NO_DTLS1_2
1319 meth = DTLS_client_method();
1320 min_version = DTLS1_2_VERSION;
1321 max_version = DTLS1_2_VERSION;
1322 socket_type = SOCK_DGRAM;
1327 #ifndef OPENSSL_NO_SCTP
1328 protocol = IPPROTO_SCTP;
1331 case OPT_SCTP_LABEL_BUG:
1332 #ifndef OPENSSL_NO_SCTP
1337 #ifndef OPENSSL_NO_DTLS
1338 enable_timeouts = 1;
1342 #ifndef OPENSSL_NO_DTLS
1343 socket_mtu = atol(opt_arg());
1346 case OPT_FALLBACKSCSV:
1350 if (!opt_format(opt_arg(), OPT_FMT_PDE, &key_format))
1354 passarg = opt_arg();
1356 case OPT_CERT_CHAIN:
1357 chain_file = opt_arg();
1360 key_file = opt_arg();
1371 case OPT_CHAINCAPATH:
1372 chCApath = opt_arg();
1374 case OPT_VERIFYCAPATH:
1375 vfyCApath = opt_arg();
1377 case OPT_BUILD_CHAIN:
1381 ReqCAfile = opt_arg();
1389 #ifndef OPENSSL_NO_CT
1396 case OPT_CTLOG_FILE:
1397 ctlog_file = opt_arg();
1400 case OPT_CHAINCAFILE:
1401 chCAfile = opt_arg();
1403 case OPT_VERIFYCAFILE:
1404 vfyCAfile = opt_arg();
1406 case OPT_DANE_TLSA_DOMAIN:
1407 dane_tlsa_domain = opt_arg();
1409 case OPT_DANE_TLSA_RRDATA:
1410 if (dane_tlsa_rrset == NULL)
1411 dane_tlsa_rrset = sk_OPENSSL_STRING_new_null();
1412 if (dane_tlsa_rrset == NULL ||
1413 !sk_OPENSSL_STRING_push(dane_tlsa_rrset, opt_arg())) {
1414 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1418 case OPT_DANE_EE_NO_NAME:
1419 dane_ee_no_name = 1;
1421 case OPT_NEXTPROTONEG:
1422 #ifndef OPENSSL_NO_NEXTPROTONEG
1423 next_proto_neg_in = opt_arg();
1427 alpn_in = opt_arg();
1429 case OPT_SERVERINFO:
1432 for (start = 0, i = 0; i <= len; ++i) {
1433 if (i == len || p[i] == ',') {
1434 serverinfo_types[serverinfo_count] = atoi(p + start);
1435 if (++serverinfo_count == MAX_SI_TYPES)
1442 if (!opt_pair(opt_arg(), services, &starttls_proto))
1445 case OPT_SERVERNAME:
1446 servername = opt_arg();
1448 case OPT_NOSERVERNAME:
1452 #ifndef OPENSSL_NO_SRTP
1453 srtp_profiles = opt_arg();
1456 case OPT_KEYMATEXPORT:
1457 keymatexportlabel = opt_arg();
1459 case OPT_KEYMATEXPORTLEN:
1460 keymatexportlen = atoi(opt_arg());
1465 case OPT_MAXFRAGLEN:
1466 len = atoi(opt_arg());
1469 maxfraglen = TLSEXT_max_fragment_length_512;
1472 maxfraglen = TLSEXT_max_fragment_length_1024;
1475 maxfraglen = TLSEXT_max_fragment_length_2048;
1478 maxfraglen = TLSEXT_max_fragment_length_4096;
1482 "%s: Max Fragment Len %u is out of permitted values",
1487 case OPT_MAX_SEND_FRAG:
1488 max_send_fragment = atoi(opt_arg());
1490 case OPT_SPLIT_SEND_FRAG:
1491 split_send_fragment = atoi(opt_arg());
1493 case OPT_MAX_PIPELINES:
1494 max_pipelines = atoi(opt_arg());
1497 read_buf_len = atoi(opt_arg());
1499 case OPT_KEYLOG_FILE:
1500 keylog_file = opt_arg();
1502 case OPT_EARLY_DATA:
1503 early_data_file = opt_arg();
1505 case OPT_ENABLE_PHA:
1510 if (count4or6 >= 2) {
1511 BIO_printf(bio_err, "%s: Can't use both -4 and -6\n", prog);
1515 if (servername != NULL) {
1517 "%s: Can't use -servername and -noservername together\n",
1521 if (dane_tlsa_domain != NULL) {
1523 "%s: Can't use -dane_tlsa_domain and -noservername together\n",
1528 argc = opt_num_rest();
1530 /* If there's a positional argument, it's the equivalent of
1532 * Don't allow -connect and a separate argument.
1534 if (connectstr != NULL) {
1536 "%s: must not provide both -connect option and target parameter\n",
1540 connect_type = use_inet;
1541 freeandcopy(&connectstr, *opt_rest());
1542 } else if (argc != 0) {
1546 #ifndef OPENSSL_NO_NEXTPROTONEG
1547 if (min_version == TLS1_3_VERSION && next_proto_neg_in != NULL) {
1548 BIO_printf(bio_err, "Cannot supply -nextprotoneg with TLSv1.3\n");
1552 if (proxystr != NULL) {
1554 char *tmp_host = host, *tmp_port = port;
1555 if (connectstr == NULL) {
1556 BIO_printf(bio_err, "%s: -proxy requires use of -connect or target parameter\n", prog);
1559 res = BIO_parse_hostserv(proxystr, &host, &port, BIO_PARSE_PRIO_HOST);
1560 if (tmp_host != host)
1561 OPENSSL_free(tmp_host);
1562 if (tmp_port != port)
1563 OPENSSL_free(tmp_port);
1566 "%s: -proxy argument malformed or ambiguous\n", prog);
1571 char *tmp_host = host, *tmp_port = port;
1572 if (connectstr != NULL)
1573 res = BIO_parse_hostserv(connectstr, &host, &port,
1574 BIO_PARSE_PRIO_HOST);
1575 if (tmp_host != host)
1576 OPENSSL_free(tmp_host);
1577 if (tmp_port != port)
1578 OPENSSL_free(tmp_port);
1581 "%s: -connect argument or target parameter malformed or ambiguous\n",
1587 if (bindstr != NULL) {
1589 res = BIO_parse_hostserv(bindstr, &bindhost, &bindport,
1590 BIO_PARSE_PRIO_HOST);
1593 "%s: -bind argument parameter malformed or ambiguous\n",
1600 if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) {
1602 "Can't use unix sockets and datagrams together\n");
1607 #ifndef OPENSSL_NO_SCTP
1608 if (protocol == IPPROTO_SCTP) {
1609 if (socket_type != SOCK_DGRAM) {
1610 BIO_printf(bio_err, "Can't use -sctp without DTLS\n");
1613 /* SCTP is unusual. It uses DTLS over a SOCK_STREAM protocol */
1614 socket_type = SOCK_STREAM;
1618 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1619 next_proto.status = -1;
1620 if (next_proto_neg_in) {
1622 next_protos_parse(&next_proto.len, next_proto_neg_in);
1623 if (next_proto.data == NULL) {
1624 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n");
1628 next_proto.data = NULL;
1631 if (!app_passwd(passarg, NULL, &pass, NULL)) {
1632 BIO_printf(bio_err, "Error getting password\n");
1636 if (key_file == NULL)
1637 key_file = cert_file;
1639 if (key_file != NULL) {
1640 key = load_key(key_file, key_format, 0, pass, e,
1641 "client certificate private key file");
1643 ERR_print_errors(bio_err);
1648 if (cert_file != NULL) {
1649 cert = load_cert(cert_file, cert_format, "client certificate file");
1651 ERR_print_errors(bio_err);
1656 if (chain_file != NULL) {
1657 if (!load_certs(chain_file, &chain, FORMAT_PEM, NULL,
1658 "client certificate chain"))
1662 if (crl_file != NULL) {
1664 crl = load_crl(crl_file, crl_format);
1666 BIO_puts(bio_err, "Error loading CRL\n");
1667 ERR_print_errors(bio_err);
1670 crls = sk_X509_CRL_new_null();
1671 if (crls == NULL || !sk_X509_CRL_push(crls, crl)) {
1672 BIO_puts(bio_err, "Error adding CRL\n");
1673 ERR_print_errors(bio_err);
1679 if (!load_excert(&exc))
1682 if (bio_c_out == NULL) {
1683 if (c_quiet && !c_debug) {
1684 bio_c_out = BIO_new(BIO_s_null());
1685 if (c_msg && bio_c_msg == NULL)
1686 bio_c_msg = dup_bio_out(FORMAT_TEXT);
1687 } else if (bio_c_out == NULL)
1688 bio_c_out = dup_bio_out(FORMAT_TEXT);
1690 #ifndef OPENSSL_NO_SRP
1691 if (!app_passwd(srppass, NULL, &srp_arg.srppassin, NULL)) {
1692 BIO_printf(bio_err, "Error getting password\n");
1697 ctx = SSL_CTX_new(meth);
1699 ERR_print_errors(bio_err);
1703 SSL_CTX_clear_mode(ctx, SSL_MODE_AUTO_RETRY);
1706 ssl_ctx_security_debug(ctx, sdebug);
1708 if (!config_ctx(cctx, ssl_args, ctx))
1711 if (ssl_config != NULL) {
1712 if (SSL_CTX_config(ctx, ssl_config) == 0) {
1713 BIO_printf(bio_err, "Error using configuration \"%s\"\n",
1715 ERR_print_errors(bio_err);
1720 #ifndef OPENSSL_NO_SCTP
1721 if (protocol == IPPROTO_SCTP && sctp_label_bug == 1)
1722 SSL_CTX_set_mode(ctx, SSL_MODE_DTLS_SCTP_LABEL_LENGTH_BUG);
1725 if (min_version != 0
1726 && SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
1728 if (max_version != 0
1729 && SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
1732 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
1733 BIO_printf(bio_err, "Error setting verify params\n");
1734 ERR_print_errors(bio_err);
1739 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
1742 if (max_send_fragment > 0
1743 && !SSL_CTX_set_max_send_fragment(ctx, max_send_fragment)) {
1744 BIO_printf(bio_err, "%s: Max send fragment size %u is out of permitted range\n",
1745 prog, max_send_fragment);
1749 if (split_send_fragment > 0
1750 && !SSL_CTX_set_split_send_fragment(ctx, split_send_fragment)) {
1751 BIO_printf(bio_err, "%s: Split send fragment size %u is out of permitted range\n",
1752 prog, split_send_fragment);
1756 if (max_pipelines > 0
1757 && !SSL_CTX_set_max_pipelines(ctx, max_pipelines)) {
1758 BIO_printf(bio_err, "%s: Max pipelines %u is out of permitted range\n",
1759 prog, max_pipelines);
1763 if (read_buf_len > 0) {
1764 SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len);
1768 && !SSL_CTX_set_tlsext_max_fragment_length(ctx, maxfraglen)) {
1770 "%s: Max Fragment Length code %u is out of permitted values"
1771 "\n", prog, maxfraglen);
1775 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1776 crls, crl_download)) {
1777 BIO_printf(bio_err, "Error loading store locations\n");
1778 ERR_print_errors(bio_err);
1781 if (ReqCAfile != NULL) {
1782 STACK_OF(X509_NAME) *nm = sk_X509_NAME_new_null();
1784 if (nm == NULL || !SSL_add_file_cert_subjects_to_stack(nm, ReqCAfile)) {
1785 sk_X509_NAME_pop_free(nm, X509_NAME_free);
1786 BIO_printf(bio_err, "Error loading CA names\n");
1787 ERR_print_errors(bio_err);
1790 SSL_CTX_set0_CA_list(ctx, nm);
1792 #ifndef OPENSSL_NO_ENGINE
1793 if (ssl_client_engine) {
1794 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine)) {
1795 BIO_puts(bio_err, "Error setting client auth engine\n");
1796 ERR_print_errors(bio_err);
1797 ENGINE_free(ssl_client_engine);
1800 ENGINE_free(ssl_client_engine);
1804 #ifndef OPENSSL_NO_PSK
1805 if (psk_key != NULL) {
1807 BIO_printf(bio_c_out, "PSK key given, setting client callback\n");
1808 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
1811 if (psksessf != NULL) {
1812 BIO *stmp = BIO_new_file(psksessf, "r");
1815 BIO_printf(bio_err, "Can't open PSK session file %s\n", psksessf);
1816 ERR_print_errors(bio_err);
1819 psksess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1821 if (psksess == NULL) {
1822 BIO_printf(bio_err, "Can't read PSK session file %s\n", psksessf);
1823 ERR_print_errors(bio_err);
1827 if (psk_key != NULL || psksess != NULL)
1828 SSL_CTX_set_psk_use_session_callback(ctx, psk_use_session_cb);
1830 #ifndef OPENSSL_NO_SRTP
1831 if (srtp_profiles != NULL) {
1832 /* Returns 0 on success! */
1833 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
1834 BIO_printf(bio_err, "Error setting SRTP profile\n");
1835 ERR_print_errors(bio_err);
1842 ssl_ctx_set_excert(ctx, exc);
1844 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1845 if (next_proto.data != NULL)
1846 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
1850 unsigned char *alpn = next_protos_parse(&alpn_len, alpn_in);
1853 BIO_printf(bio_err, "Error parsing -alpn argument\n");
1856 /* Returns 0 on success! */
1857 if (SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len) != 0) {
1858 BIO_printf(bio_err, "Error setting ALPN\n");
1864 for (i = 0; i < serverinfo_count; i++) {
1865 if (!SSL_CTX_add_client_custom_ext(ctx,
1866 serverinfo_types[i],
1868 serverinfo_cli_parse_cb, NULL)) {
1870 "Warning: Unable to add custom extension %u, skipping\n",
1871 serverinfo_types[i]);
1876 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1878 #ifndef OPENSSL_NO_CT
1879 /* Enable SCT processing, without early connection termination */
1880 if (ct_validation &&
1881 !SSL_CTX_enable_ct(ctx, SSL_CT_VALIDATION_PERMISSIVE)) {
1882 ERR_print_errors(bio_err);
1886 if (!ctx_set_ctlog_list_file(ctx, ctlog_file)) {
1887 if (ct_validation) {
1888 ERR_print_errors(bio_err);
1893 * If CT validation is not enabled, the log list isn't needed so don't
1894 * show errors or abort. We try to load it regardless because then we
1895 * can show the names of the logs any SCTs came from (SCTs may be seen
1896 * even with validation disabled).
1902 SSL_CTX_set_verify(ctx, verify, verify_callback);
1904 if (!ctx_set_verify_locations(ctx, CAfile, CApath, noCAfile, noCApath)) {
1905 ERR_print_errors(bio_err);
1909 ssl_ctx_add_crls(ctx, crls, crl_download);
1911 if (!set_cert_key_stuff(ctx, cert, key, chain, build_chain))
1914 if (!noservername) {
1915 tlsextcbp.biodebug = bio_err;
1916 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1917 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1919 # ifndef OPENSSL_NO_SRP
1920 if (srp_arg.srplogin) {
1921 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin)) {
1922 BIO_printf(bio_err, "Unable to set SRP username\n");
1925 srp_arg.msg = c_msg;
1926 srp_arg.debug = c_debug;
1927 SSL_CTX_set_srp_cb_arg(ctx, &srp_arg);
1928 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb);
1929 SSL_CTX_set_srp_strength(ctx, srp_arg.strength);
1930 if (c_msg || c_debug || srp_arg.amp == 0)
1931 SSL_CTX_set_srp_verify_param_callback(ctx,
1932 ssl_srp_verify_param_cb);
1936 if (dane_tlsa_domain != NULL) {
1937 if (SSL_CTX_dane_enable(ctx) <= 0) {
1939 "%s: Error enabling DANE TLSA authentication.\n",
1941 ERR_print_errors(bio_err);
1947 * In TLSv1.3 NewSessionTicket messages arrive after the handshake and can
1948 * come at any time. Therefore we use a callback to write out the session
1949 * when we know about it. This approach works for < TLSv1.3 as well.
1951 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_CLIENT
1952 | SSL_SESS_CACHE_NO_INTERNAL_STORE);
1953 SSL_CTX_sess_set_new_cb(ctx, new_session_cb);
1955 if (set_keylog_file(ctx, keylog_file))
1963 SSL_set_post_handshake_auth(con, 1);
1965 if (sess_in != NULL) {
1967 BIO *stmp = BIO_new_file(sess_in, "r");
1969 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1970 ERR_print_errors(bio_err);
1973 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1976 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1977 ERR_print_errors(bio_err);
1980 if (!SSL_set_session(con, sess)) {
1981 BIO_printf(bio_err, "Can't set session\n");
1982 ERR_print_errors(bio_err);
1986 SSL_SESSION_free(sess);
1990 SSL_set_mode(con, SSL_MODE_SEND_FALLBACK_SCSV);
1992 if (!noservername && (servername != NULL || dane_tlsa_domain == NULL)) {
1993 if (servername == NULL)
1994 servername = (host == NULL) ? "localhost" : host;
1995 if (!SSL_set_tlsext_host_name(con, servername)) {
1996 BIO_printf(bio_err, "Unable to set TLS servername extension.\n");
1997 ERR_print_errors(bio_err);
2002 if (dane_tlsa_domain != NULL) {
2003 if (SSL_dane_enable(con, dane_tlsa_domain) <= 0) {
2004 BIO_printf(bio_err, "%s: Error enabling DANE TLSA "
2005 "authentication.\n", prog);
2006 ERR_print_errors(bio_err);
2009 if (dane_tlsa_rrset == NULL) {
2010 BIO_printf(bio_err, "%s: DANE TLSA authentication requires at "
2011 "least one -dane_tlsa_rrdata option.\n", prog);
2014 if (tlsa_import_rrset(con, dane_tlsa_rrset) <= 0) {
2015 BIO_printf(bio_err, "%s: Failed to import any TLSA "
2016 "records.\n", prog);
2019 if (dane_ee_no_name)
2020 SSL_dane_set_flags(con, DANE_FLAG_NO_DANE_EE_NAMECHECKS);
2021 } else if (dane_tlsa_rrset != NULL) {
2022 BIO_printf(bio_err, "%s: DANE TLSA authentication requires the "
2023 "-dane_tlsa_domain option.\n", prog);
2028 if (init_client(&s, host, port, bindhost, bindport, socket_family,
2029 socket_type, protocol) == 0) {
2030 BIO_printf(bio_err, "connect:errno=%d\n", get_last_socket_error());
2034 BIO_printf(bio_c_out, "CONNECTED(%08X)\n", s);
2037 if (!BIO_socket_nbio(s, 1)) {
2038 ERR_print_errors(bio_err);
2041 BIO_printf(bio_c_out, "Turned on non blocking io\n");
2043 #ifndef OPENSSL_NO_DTLS
2045 union BIO_sock_info_u peer_info;
2047 #ifndef OPENSSL_NO_SCTP
2048 if (protocol == IPPROTO_SCTP)
2049 sbio = BIO_new_dgram_sctp(s, BIO_NOCLOSE);
2052 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
2054 if ((peer_info.addr = BIO_ADDR_new()) == NULL) {
2055 BIO_printf(bio_err, "memory allocation failure\n");
2059 if (!BIO_sock_info(s, BIO_SOCK_INFO_ADDRESS, &peer_info)) {
2060 BIO_printf(bio_err, "getsockname:errno=%d\n",
2061 get_last_socket_error());
2062 BIO_ADDR_free(peer_info.addr);
2067 (void)BIO_ctrl_set_connected(sbio, peer_info.addr);
2068 BIO_ADDR_free(peer_info.addr);
2069 peer_info.addr = NULL;
2071 if (enable_timeouts) {
2073 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2074 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2077 timeout.tv_usec = DGRAM_SND_TIMEOUT;
2078 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2082 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
2083 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
2084 DTLS_get_link_min_mtu(con));
2088 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2089 if (!DTLS_set_link_mtu(con, socket_mtu)) {
2090 BIO_printf(bio_err, "Failed to set MTU\n");
2095 /* want to do MTU discovery */
2096 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2099 #endif /* OPENSSL_NO_DTLS */
2100 sbio = BIO_new_socket(s, BIO_NOCLOSE);
2105 test = BIO_new(BIO_f_nbio_test());
2106 sbio = BIO_push(test, sbio);
2110 BIO_set_callback(sbio, bio_dump_callback);
2111 BIO_set_callback_arg(sbio, (char *)bio_c_out);
2114 #ifndef OPENSSL_NO_SSL_TRACE
2116 SSL_set_msg_callback(con, SSL_trace);
2119 SSL_set_msg_callback(con, msg_cb);
2120 SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out);
2123 if (c_tlsextdebug) {
2124 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2125 SSL_set_tlsext_debug_arg(con, bio_c_out);
2127 #ifndef OPENSSL_NO_OCSP
2129 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
2130 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
2131 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
2135 SSL_set_bio(con, sbio, sbio);
2136 SSL_set_connect_state(con);
2138 /* ok, lets connect */
2139 if (fileno_stdin() > SSL_get_fd(con))
2140 width = fileno_stdin() + 1;
2142 width = SSL_get_fd(con) + 1;
2155 switch ((PROTOCOL_CHOICE) starttls_proto) {
2162 * This is an ugly hack that does a lot of assumptions. We do
2163 * have to handle multi-line responses which may come in a single
2164 * packet or not. We therefore have to use BIO_gets() which does
2165 * need a buffering BIO. So during the initial chitchat we do
2166 * push a buffering BIO into the chain that is removed again
2167 * later on to not disturb the rest of the s_client operation.
2170 BIO *fbio = BIO_new(BIO_f_buffer());
2172 BIO_push(fbio, sbio);
2173 /* Wait for multi-line response to end from LMTP or SMTP */
2175 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2176 } while (mbuf_len > 3 && mbuf[3] == '-');
2177 if (protohost == NULL)
2178 protohost = "mail.example.com";
2179 if (starttls_proto == (int)PROTO_LMTP)
2180 BIO_printf(fbio, "LHLO %s\r\n", protohost);
2182 BIO_printf(fbio, "EHLO %s\r\n", protohost);
2183 (void)BIO_flush(fbio);
2185 * Wait for multi-line response to end LHLO LMTP or EHLO SMTP
2189 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2190 if (strstr(mbuf, "STARTTLS"))
2192 } while (mbuf_len > 3 && mbuf[3] == '-');
2193 (void)BIO_flush(fbio);
2198 "Didn't find STARTTLS in server response,"
2199 " trying anyway...\n");
2200 BIO_printf(sbio, "STARTTLS\r\n");
2201 BIO_read(sbio, sbuf, BUFSIZZ);
2206 BIO_read(sbio, mbuf, BUFSIZZ);
2207 BIO_printf(sbio, "STLS\r\n");
2208 mbuf_len = BIO_read(sbio, sbuf, BUFSIZZ);
2210 BIO_printf(bio_err, "BIO_read failed\n");
2218 BIO *fbio = BIO_new(BIO_f_buffer());
2220 BIO_push(fbio, sbio);
2221 BIO_gets(fbio, mbuf, BUFSIZZ);
2222 /* STARTTLS command requires CAPABILITY... */
2223 BIO_printf(fbio, ". CAPABILITY\r\n");
2224 (void)BIO_flush(fbio);
2225 /* wait for multi-line CAPABILITY response */
2227 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2228 if (strstr(mbuf, "STARTTLS"))
2231 while (mbuf_len > 3 && mbuf[0] != '.');
2232 (void)BIO_flush(fbio);
2237 "Didn't find STARTTLS in server response,"
2238 " trying anyway...\n");
2239 BIO_printf(sbio, ". STARTTLS\r\n");
2240 BIO_read(sbio, sbuf, BUFSIZZ);
2245 BIO *fbio = BIO_new(BIO_f_buffer());
2247 BIO_push(fbio, sbio);
2248 /* wait for multi-line response to end from FTP */
2250 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2252 while (mbuf_len > 3 && mbuf[3] == '-');
2253 (void)BIO_flush(fbio);
2256 BIO_printf(sbio, "AUTH TLS\r\n");
2257 BIO_read(sbio, sbuf, BUFSIZZ);
2261 case PROTO_XMPP_SERVER:
2264 BIO_printf(sbio, "<stream:stream "
2265 "xmlns:stream='http://etherx.jabber.org/streams' "
2266 "xmlns='jabber:%s' to='%s' version='1.0'>",
2267 starttls_proto == PROTO_XMPP ? "client" : "server",
2268 protohost ? protohost : host);
2269 seen = BIO_read(sbio, mbuf, BUFSIZZ);
2271 BIO_printf(bio_err, "BIO_read failed\n");
2276 (mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")
2278 "<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\""))
2280 seen = BIO_read(sbio, mbuf, BUFSIZZ);
2288 "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
2289 seen = BIO_read(sbio, sbuf, BUFSIZZ);
2291 BIO_printf(bio_err, "BIO_read failed\n");
2295 if (!strstr(sbuf, "<proceed"))
2302 static const unsigned char tls_do[] = {
2303 /* IAC DO START_TLS */
2306 static const unsigned char tls_will[] = {
2307 /* IAC WILL START_TLS */
2310 static const unsigned char tls_follows[] = {
2311 /* IAC SB START_TLS FOLLOWS IAC SE */
2312 255, 250, 46, 1, 255, 240
2316 /* Telnet server should demand we issue START_TLS */
2317 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
2318 if (bytes != 3 || memcmp(mbuf, tls_do, 3) != 0)
2320 /* Agree to issue START_TLS and send the FOLLOWS sub-command */
2321 BIO_write(sbio, tls_will, 3);
2322 BIO_write(sbio, tls_follows, 6);
2323 (void)BIO_flush(sbio);
2324 /* Telnet server also sent the FOLLOWS sub-command */
2325 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
2326 if (bytes != 6 || memcmp(mbuf, tls_follows, 6) != 0)
2333 error_proto, /* Wrong protocol, not even HTTP */
2334 error_connect, /* CONNECT failed */
2336 } foundit = error_connect;
2337 BIO *fbio = BIO_new(BIO_f_buffer());
2339 BIO_push(fbio, sbio);
2340 BIO_printf(fbio, "CONNECT %s HTTP/1.0\r\n\r\n", connectstr);
2341 (void)BIO_flush(fbio);
2343 * The first line is the HTTP response. According to RFC 7230,
2344 * it's formated exactly like this:
2346 * HTTP/d.d ddd Reason text\r\n
2348 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2349 if (mbuf_len < (int)strlen("HTTP/1.0 200")) {
2351 "%s: HTTP CONNECT failed, insufficient response "
2352 "from proxy (got %d octets)\n", prog, mbuf_len);
2353 (void)BIO_flush(fbio);
2358 if (mbuf[8] != ' ') {
2360 "%s: HTTP CONNECT failed, incorrect response "
2361 "from proxy\n", prog);
2362 foundit = error_proto;
2363 } else if (mbuf[9] != '2') {
2364 BIO_printf(bio_err, "%s: HTTP CONNECT failed: %s ", prog,
2369 if (foundit != error_proto) {
2370 /* Read past all following headers */
2372 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2373 } while (mbuf_len > 2);
2375 (void)BIO_flush(fbio);
2378 if (foundit != success) {
2386 BIO *fbio = BIO_new(BIO_f_buffer());
2388 BIO_push(fbio, sbio);
2389 BIO_printf(fbio, "STARTTLS\r\n");
2390 (void)BIO_flush(fbio);
2391 width = SSL_get_fd(con) + 1;
2397 openssl_fdset(SSL_get_fd(con), &readfds);
2398 timeout.tv_sec = S_CLIENT_IRC_READ_TIMEOUT;
2399 timeout.tv_usec = 0;
2401 * If the IRCd doesn't respond within
2402 * S_CLIENT_IRC_READ_TIMEOUT seconds, assume
2403 * it doesn't support STARTTLS. Many IRCds
2404 * will not give _any_ sort of response to a
2405 * STARTTLS command when it's not supported.
2407 if (!BIO_get_buffer_num_lines(fbio)
2408 && !BIO_pending(fbio)
2409 && !BIO_pending(sbio)
2410 && select(width, (void *)&readfds, NULL, NULL,
2413 "Timeout waiting for response (%d seconds).\n",
2414 S_CLIENT_IRC_READ_TIMEOUT);
2418 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2419 if (mbuf_len < 1 || sscanf(mbuf, "%*s %d", &numeric) != 1)
2421 /* :example.net 451 STARTTLS :You have not registered */
2422 /* :example.net 421 STARTTLS :Unknown command */
2423 if ((numeric == 451 || numeric == 421)
2424 && strstr(mbuf, "STARTTLS") != NULL) {
2425 BIO_printf(bio_err, "STARTTLS not supported: %s", mbuf);
2428 if (numeric == 691) {
2429 BIO_printf(bio_err, "STARTTLS negotiation failed: ");
2430 ERR_print_errors(bio_err);
2433 } while (numeric != 670);
2435 (void)BIO_flush(fbio);
2438 if (numeric != 670) {
2439 BIO_printf(bio_err, "Server does not support STARTTLS.\n");
2447 /* SSL request packet */
2448 static const unsigned char ssl_req[] = {
2449 /* payload_length, sequence_id */
2450 0x20, 0x00, 0x00, 0x01,
2452 /* capability flags, CLIENT_SSL always set */
2453 0x85, 0xae, 0x7f, 0x00,
2454 /* max-packet size */
2455 0x00, 0x00, 0x00, 0x01,
2458 /* string[23] reserved (all [0]) */
2459 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
2460 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
2461 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
2464 int ssl_flg = 0x800;
2466 const unsigned char *packet = (const unsigned char *)sbuf;
2468 /* Receiving Initial Handshake packet. */
2469 bytes = BIO_read(sbio, (void *)packet, BUFSIZZ);
2471 BIO_printf(bio_err, "BIO_read failed\n");
2473 /* Packet length[3], Packet number[1] + minimum payload[17] */
2474 } else if (bytes < 21) {
2475 BIO_printf(bio_err, "MySQL packet too short.\n");
2477 } else if (bytes != (4 + packet[0] +
2479 (packet[2] << 16))) {
2480 BIO_printf(bio_err, "MySQL packet length does not match.\n");
2482 /* protocol version[1] */
2483 } else if (packet[4] != 0xA) {
2485 "Only MySQL protocol version 10 is supported.\n");
2490 /* server version[string+NULL] */
2493 BIO_printf(bio_err, "Cannot confirm server version. ");
2495 } else if (packet[pos++] == '\0') {
2500 /* make sure we have at least 15 bytes left in the packet */
2501 if (pos + 15 > bytes) {
2503 "MySQL server handshake packet is broken.\n");
2507 pos += 12; /* skip over conn id[4] + SALT[8] */
2508 if (packet[pos++] != '\0') { /* verify filler */
2510 "MySQL packet is broken.\n");
2514 /* capability flags[2] */
2515 if (!((packet[pos] + (packet[pos + 1] << 8)) & ssl_flg)) {
2516 BIO_printf(bio_err, "MySQL server does not support SSL.\n");
2520 /* Sending SSL Handshake packet. */
2521 BIO_write(sbio, ssl_req, sizeof(ssl_req));
2522 (void)BIO_flush(sbio);
2525 case PROTO_POSTGRES:
2527 static const unsigned char ssl_request[] = {
2528 /* Length SSLRequest */
2529 0, 0, 0, 8, 4, 210, 22, 47
2533 /* Send SSLRequest packet */
2534 BIO_write(sbio, ssl_request, 8);
2535 (void)BIO_flush(sbio);
2537 /* Reply will be a single S if SSL is enabled */
2538 bytes = BIO_read(sbio, sbuf, BUFSIZZ);
2539 if (bytes != 1 || sbuf[0] != 'S')
2546 BIO *fbio = BIO_new(BIO_f_buffer());
2548 BIO_push(fbio, sbio);
2549 BIO_gets(fbio, mbuf, BUFSIZZ);
2550 /* STARTTLS command requires CAPABILITIES... */
2551 BIO_printf(fbio, "CAPABILITIES\r\n");
2552 (void)BIO_flush(fbio);
2553 /* wait for multi-line CAPABILITIES response */
2555 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2556 if (strstr(mbuf, "STARTTLS"))
2558 } while (mbuf_len > 1 && mbuf[0] != '.');
2559 (void)BIO_flush(fbio);
2564 "Didn't find STARTTLS in server response,"
2565 " trying anyway...\n");
2566 BIO_printf(sbio, "STARTTLS\r\n");
2567 mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ);
2569 BIO_printf(bio_err, "BIO_read failed\n");
2572 mbuf[mbuf_len] = '\0';
2573 if (strstr(mbuf, "382") == NULL) {
2574 BIO_printf(bio_err, "STARTTLS failed: %s", mbuf);
2582 BIO *fbio = BIO_new(BIO_f_buffer());
2584 BIO_push(fbio, sbio);
2585 /* wait for multi-line response to end from Sieve */
2587 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2589 * According to RFC 5804 § 1.7, capability
2590 * is case-insensitive, make it uppercase
2592 if (mbuf_len > 1 && mbuf[0] == '"') {
2593 make_uppercase(mbuf);
2594 if (strncmp(mbuf, "\"STARTTLS\"", 10) == 0)
2597 } while (mbuf_len > 1 && mbuf[0] == '"');
2598 (void)BIO_flush(fbio);
2603 "Didn't find STARTTLS in server response,"
2604 " trying anyway...\n");
2605 BIO_printf(sbio, "STARTTLS\r\n");
2606 mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ);
2608 BIO_printf(bio_err, "BIO_read failed\n");
2611 mbuf[mbuf_len] = '\0';
2613 BIO_printf(bio_err, "STARTTLS failed: %s", mbuf);
2617 * According to RFC 5804 § 2.2, response codes are case-
2618 * insensitive, make it uppercase but preserve the response.
2620 strncpy(sbuf, mbuf, 2);
2621 make_uppercase(sbuf);
2622 if (strncmp(sbuf, "OK", 2) != 0) {
2623 BIO_printf(bio_err, "STARTTLS not supported: %s", mbuf);
2630 /* StartTLS Operation according to RFC 4511 */
2631 static char ldap_tls_genconf[] = "asn1=SEQUENCE:LDAPMessage\n"
2633 "messageID=INTEGER:1\n"
2634 "extendedReq=EXPLICIT:23A,IMPLICIT:0C,"
2635 "FORMAT:ASCII,OCT:1.3.6.1.4.1.1466.20037\n";
2637 char *genstr = NULL;
2639 ASN1_TYPE *atyp = NULL;
2640 BIO *ldapbio = BIO_new(BIO_s_mem());
2641 CONF *cnf = NCONF_new(NULL);
2647 BIO_puts(ldapbio, ldap_tls_genconf);
2648 if (NCONF_load_bio(cnf, ldapbio, &errline) <= 0) {
2652 BIO_printf(bio_err, "NCONF_load_bio failed\n");
2655 BIO_printf(bio_err, "Error on line %ld\n", errline);
2660 genstr = NCONF_get_string(cnf, "default", "asn1");
2661 if (genstr == NULL) {
2663 BIO_printf(bio_err, "NCONF_get_string failed\n");
2666 atyp = ASN1_generate_nconf(genstr, cnf);
2669 BIO_printf(bio_err, "ASN1_generate_nconf failed\n");
2674 /* Send SSLRequest packet */
2675 BIO_write(sbio, atyp->value.sequence->data,
2676 atyp->value.sequence->length);
2677 (void)BIO_flush(sbio);
2678 ASN1_TYPE_free(atyp);
2680 mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ);
2682 BIO_printf(bio_err, "BIO_read failed\n");
2685 result = ldap_ExtendedResponse_parse(mbuf, mbuf_len);
2687 BIO_printf(bio_err, "ldap_ExtendedResponse_parse failed\n");
2689 } else if (result > 0) {
2690 BIO_printf(bio_err, "STARTTLS failed, LDAP Result Code: %i\n",
2699 if (early_data_file != NULL
2700 && ((SSL_get0_session(con) != NULL
2701 && SSL_SESSION_get_max_early_data(SSL_get0_session(con)) > 0)
2703 && SSL_SESSION_get_max_early_data(psksess) > 0))) {
2704 BIO *edfile = BIO_new_file(early_data_file, "r");
2705 size_t readbytes, writtenbytes;
2708 if (edfile == NULL) {
2709 BIO_printf(bio_err, "Cannot open early data file\n");
2714 if (!BIO_read_ex(edfile, cbuf, BUFSIZZ, &readbytes))
2717 while (!SSL_write_early_data(con, cbuf, readbytes, &writtenbytes)) {
2718 switch (SSL_get_error(con, 0)) {
2719 case SSL_ERROR_WANT_WRITE:
2720 case SSL_ERROR_WANT_ASYNC:
2721 case SSL_ERROR_WANT_READ:
2722 /* Just keep trying - busy waiting */
2725 BIO_printf(bio_err, "Error writing early data\n");
2727 ERR_print_errors(bio_err);
2740 if (SSL_is_dtls(con) && DTLSv1_get_timeout(con, &timeout))
2741 timeoutp = &timeout;
2745 if (!SSL_is_init_finished(con) && SSL_total_renegotiations(con) == 0
2746 && SSL_get_key_update_type(con) == SSL_KEY_UPDATE_NONE) {
2755 BIO_puts(bio_err, "CONNECTION ESTABLISHED\n");
2756 print_ssl_summary(con);
2759 print_stuff(bio_c_out, con, full_log);
2763 if (starttls_proto) {
2764 BIO_write(bio_err, mbuf, mbuf_len);
2765 /* We don't need to know any more */
2767 starttls_proto = PROTO_OFF;
2772 BIO_printf(bio_c_out,
2773 "drop connection and then reconnect\n");
2774 do_ssl_shutdown(con);
2775 SSL_set_connect_state(con);
2776 BIO_closesocket(SSL_get_fd(con));
2782 ssl_pending = read_ssl && SSL_has_pending(con);
2785 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
2788 * Note that select() returns when read _would not block_,
2789 * and EOF satisfies that. To avoid a CPU-hogging loop,
2790 * set the flag so we exit.
2792 if (read_tty && !at_eof)
2793 openssl_fdset(fileno_stdin(), &readfds);
2794 #if !defined(OPENSSL_SYS_VMS)
2796 openssl_fdset(fileno_stdout(), &writefds);
2800 openssl_fdset(SSL_get_fd(con), &readfds);
2802 openssl_fdset(SSL_get_fd(con), &writefds);
2804 if (!tty_on || !write_tty) {
2806 openssl_fdset(SSL_get_fd(con), &readfds);
2808 openssl_fdset(SSL_get_fd(con), &writefds);
2813 * Note: under VMS with SOCKETSHR the second parameter is
2814 * currently of type (int *) whereas under other systems it is
2815 * (void *) if you don't have a cast it will choke the compiler:
2816 * if you do have a cast then you can either go for (int *) or
2819 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2821 * Under Windows/DOS we make the assumption that we can always
2822 * write to the tty: therefore if we need to write to the tty we
2823 * just fall through. Otherwise we timeout the select every
2824 * second and see if there are any keypresses. Note: this is a
2825 * hack, in a proper Windows application we wouldn't do this.
2832 i = select(width, (void *)&readfds, (void *)&writefds,
2834 if (!i && (!has_stdin_waiting() || !read_tty))
2837 i = select(width, (void *)&readfds, (void *)&writefds,
2841 i = select(width, (void *)&readfds, (void *)&writefds,
2845 BIO_printf(bio_err, "bad select %d\n",
2846 get_last_socket_error());
2851 if (SSL_is_dtls(con) && DTLSv1_handle_timeout(con) > 0)
2852 BIO_printf(bio_err, "TIMEOUT occurred\n");
2854 if (!ssl_pending && FD_ISSET(SSL_get_fd(con), &writefds)) {
2855 k = SSL_write(con, &(cbuf[cbuf_off]), (unsigned int)cbuf_len);
2856 switch (SSL_get_error(con, k)) {
2857 case SSL_ERROR_NONE:
2862 /* we have done a write(con,NULL,0); */
2863 if (cbuf_len <= 0) {
2866 } else { /* if (cbuf_len > 0) */
2872 case SSL_ERROR_WANT_WRITE:
2873 BIO_printf(bio_c_out, "write W BLOCK\n");
2877 case SSL_ERROR_WANT_ASYNC:
2878 BIO_printf(bio_c_out, "write A BLOCK\n");
2879 wait_for_async(con);
2883 case SSL_ERROR_WANT_READ:
2884 BIO_printf(bio_c_out, "write R BLOCK\n");
2889 case SSL_ERROR_WANT_X509_LOOKUP:
2890 BIO_printf(bio_c_out, "write X BLOCK\n");
2892 case SSL_ERROR_ZERO_RETURN:
2893 if (cbuf_len != 0) {
2894 BIO_printf(bio_c_out, "shutdown\n");
2903 case SSL_ERROR_SYSCALL:
2904 if ((k != 0) || (cbuf_len != 0)) {
2905 BIO_printf(bio_err, "write:errno=%d\n",
2906 get_last_socket_error());
2913 case SSL_ERROR_WANT_ASYNC_JOB:
2914 /* This shouldn't ever happen in s_client - treat as an error */
2916 ERR_print_errors(bio_err);
2920 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_VMS)
2921 /* Assume Windows/DOS/BeOS can always write */
2922 else if (!ssl_pending && write_tty)
2924 else if (!ssl_pending && FD_ISSET(fileno_stdout(), &writefds))
2927 #ifdef CHARSET_EBCDIC
2928 ascii2ebcdic(&(sbuf[sbuf_off]), &(sbuf[sbuf_off]), sbuf_len);
2930 i = raw_write_stdout(&(sbuf[sbuf_off]), sbuf_len);
2933 BIO_printf(bio_c_out, "DONE\n");
2940 if (sbuf_len <= 0) {
2944 } else if (ssl_pending || FD_ISSET(SSL_get_fd(con), &readfds)) {
2949 SSL_renegotiate(con);
2954 k = SSL_read(con, sbuf, 1024 /* BUFSIZZ */ );
2956 switch (SSL_get_error(con, k)) {
2957 case SSL_ERROR_NONE:
2966 case SSL_ERROR_WANT_ASYNC:
2967 BIO_printf(bio_c_out, "read A BLOCK\n");
2968 wait_for_async(con);
2971 if ((read_tty == 0) && (write_ssl == 0))
2974 case SSL_ERROR_WANT_WRITE:
2975 BIO_printf(bio_c_out, "read W BLOCK\n");
2979 case SSL_ERROR_WANT_READ:
2980 BIO_printf(bio_c_out, "read R BLOCK\n");
2983 if ((read_tty == 0) && (write_ssl == 0))
2986 case SSL_ERROR_WANT_X509_LOOKUP:
2987 BIO_printf(bio_c_out, "read X BLOCK\n");
2989 case SSL_ERROR_SYSCALL:
2990 ret = get_last_socket_error();
2992 BIO_puts(bio_err, "CONNECTION CLOSED BY SERVER\n");
2994 BIO_printf(bio_err, "read:errno=%d\n", ret);
2996 case SSL_ERROR_ZERO_RETURN:
2997 BIO_printf(bio_c_out, "closed\n");
3000 case SSL_ERROR_WANT_ASYNC_JOB:
3001 /* This shouldn't ever happen in s_client. Treat as an error */
3003 ERR_print_errors(bio_err);
3007 /* OPENSSL_SYS_MSDOS includes OPENSSL_SYS_WINDOWS */
3008 #if defined(OPENSSL_SYS_MSDOS)
3009 else if (has_stdin_waiting())
3011 else if (FD_ISSET(fileno_stdin(), &readfds))
3017 i = raw_read_stdin(cbuf, BUFSIZZ / 2);
3019 /* both loops are skipped when i <= 0 */
3020 for (j = 0; j < i; j++)
3021 if (cbuf[j] == '\n')
3023 for (j = i - 1; j >= 0; j--) {
3024 cbuf[j + lf_num] = cbuf[j];
3025 if (cbuf[j] == '\n') {
3028 cbuf[j + lf_num] = '\r';
3031 assert(lf_num == 0);
3033 i = raw_read_stdin(cbuf, BUFSIZZ);
3034 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
3039 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q' && cmdletters))) {
3040 BIO_printf(bio_err, "DONE\n");
3045 if ((!c_ign_eof) && (cbuf[0] == 'R' && cmdletters)) {
3046 BIO_printf(bio_err, "RENEGOTIATING\n");
3047 SSL_renegotiate(con);
3049 } else if (!c_ign_eof && (cbuf[0] == 'K' || cbuf[0] == 'k' )
3051 BIO_printf(bio_err, "KEYUPDATE\n");
3053 cbuf[0] == 'K' ? SSL_KEY_UPDATE_REQUESTED
3054 : SSL_KEY_UPDATE_NOT_REQUESTED);
3057 #ifndef OPENSSL_NO_HEARTBEATS
3058 else if ((!c_ign_eof) && (cbuf[0] == 'B' && cmdletters)) {
3059 BIO_printf(bio_err, "HEARTBEATING\n");
3067 #ifdef CHARSET_EBCDIC
3068 ebcdic2ascii(cbuf, cbuf, i);
3080 print_stuff(bio_c_out, con, full_log);
3081 do_ssl_shutdown(con);
3084 * If we ended with an alert being sent, but still with data in the
3085 * network buffer to be read, then calling BIO_closesocket() will
3086 * result in a TCP-RST being sent. On some platforms (notably
3087 * Windows) then this will result in the peer immediately abandoning
3088 * the connection including any buffered alert data before it has
3089 * had a chance to be read. Shutting down the sending side first,
3090 * and then closing the socket sends TCP-FIN first followed by
3091 * TCP-RST. This seems to allow the peer to read the alert data.
3093 shutdown(SSL_get_fd(con), 1); /* SHUT_WR */
3095 * We just said we have nothing else to say, but it doesn't mean that
3096 * the other side has nothing. It's even recommended to consume incoming
3097 * data. [In testing context this ensures that alerts are passed on...]
3100 timeout.tv_usec = 500000; /* some extreme round-trip */
3103 openssl_fdset(s, &readfds);
3104 } while (select(s + 1, &readfds, NULL, NULL, &timeout) > 0
3105 && BIO_read(sbio, sbuf, BUFSIZZ) > 0);
3107 BIO_closesocket(SSL_get_fd(con));
3111 print_stuff(bio_c_out, con, 1);
3114 SSL_SESSION_free(psksess);
3115 #if !defined(OPENSSL_NO_NEXTPROTONEG)
3116 OPENSSL_free(next_proto.data);
3119 set_keylog_file(NULL, NULL);
3121 sk_X509_CRL_pop_free(crls, X509_CRL_free);
3123 sk_X509_pop_free(chain, X509_free);
3125 #ifndef OPENSSL_NO_SRP
3126 OPENSSL_free(srp_arg.srppassin);
3128 OPENSSL_free(connectstr);
3129 OPENSSL_free(bindstr);
3132 X509_VERIFY_PARAM_free(vpm);
3133 ssl_excert_free(exc);
3134 sk_OPENSSL_STRING_free(ssl_args);
3135 sk_OPENSSL_STRING_free(dane_tlsa_rrset);
3136 SSL_CONF_CTX_free(cctx);
3137 OPENSSL_clear_free(cbuf, BUFSIZZ);
3138 OPENSSL_clear_free(sbuf, BUFSIZZ);
3139 OPENSSL_clear_free(mbuf, BUFSIZZ);
3141 BIO_free(bio_c_out);
3143 BIO_free(bio_c_msg);
3148 static void print_stuff(BIO *bio, SSL *s, int full)
3152 const SSL_CIPHER *c;
3153 int i, istls13 = (SSL_version(s) == TLS1_3_VERSION);
3155 #ifndef OPENSSL_NO_COMP
3156 const COMP_METHOD *comp, *expansion;
3158 unsigned char *exportedkeymat;
3159 #ifndef OPENSSL_NO_CT
3160 const SSL_CTX *ctx = SSL_get_SSL_CTX(s);
3164 int got_a_chain = 0;
3166 sk = SSL_get_peer_cert_chain(s);
3170 BIO_printf(bio, "---\nCertificate chain\n");
3171 for (i = 0; i < sk_X509_num(sk); i++) {
3172 BIO_printf(bio, "%2d s:", i);
3173 X509_NAME_print_ex(bio, X509_get_subject_name(sk_X509_value(sk, i)), 0, get_nameopt());
3174 BIO_puts(bio, "\n");
3175 BIO_printf(bio, " i:");
3176 X509_NAME_print_ex(bio, X509_get_issuer_name(sk_X509_value(sk, i)), 0, get_nameopt());
3177 BIO_puts(bio, "\n");
3179 PEM_write_bio_X509(bio, sk_X509_value(sk, i));
3183 BIO_printf(bio, "---\n");
3184 peer = SSL_get_peer_certificate(s);
3186 BIO_printf(bio, "Server certificate\n");
3188 /* Redundant if we showed the whole chain */
3189 if (!(c_showcerts && got_a_chain))
3190 PEM_write_bio_X509(bio, peer);
3191 dump_cert_text(bio, peer);
3193 BIO_printf(bio, "no peer certificate available\n");
3195 print_ca_names(bio, s);
3197 ssl_print_sigalgs(bio, s);
3198 ssl_print_tmp_key(bio, s);
3200 #ifndef OPENSSL_NO_CT
3202 * When the SSL session is anonymous, or resumed via an abbreviated
3203 * handshake, no SCTs are provided as part of the handshake. While in
3204 * a resumed session SCTs may be present in the session's certificate,
3205 * no callbacks are invoked to revalidate these, and in any case that
3206 * set of SCTs may be incomplete. Thus it makes little sense to
3207 * attempt to display SCTs from a resumed session's certificate, and of
3208 * course none are associated with an anonymous peer.
3210 if (peer != NULL && !SSL_session_reused(s) && SSL_ct_is_enabled(s)) {
3211 const STACK_OF(SCT) *scts = SSL_get0_peer_scts(s);
3212 int sct_count = scts != NULL ? sk_SCT_num(scts) : 0;
3214 BIO_printf(bio, "---\nSCTs present (%i)\n", sct_count);
3215 if (sct_count > 0) {
3216 const CTLOG_STORE *log_store = SSL_CTX_get0_ctlog_store(ctx);
3218 BIO_printf(bio, "---\n");
3219 for (i = 0; i < sct_count; ++i) {
3220 SCT *sct = sk_SCT_value(scts, i);
3222 BIO_printf(bio, "SCT validation status: %s\n",
3223 SCT_validation_status_string(sct));
3224 SCT_print(sct, bio, 0, log_store);
3225 if (i < sct_count - 1)
3226 BIO_printf(bio, "\n---\n");
3228 BIO_printf(bio, "\n");
3234 "---\nSSL handshake has read %ju bytes "
3235 "and written %ju bytes\n",
3236 BIO_number_read(SSL_get_rbio(s)),
3237 BIO_number_written(SSL_get_wbio(s)));
3239 print_verify_detail(s, bio);
3240 BIO_printf(bio, (SSL_session_reused(s) ? "---\nReused, " : "---\nNew, "));
3241 c = SSL_get_current_cipher(s);
3242 BIO_printf(bio, "%s, Cipher is %s\n",
3243 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
3247 pktmp = X509_get0_pubkey(peer);
3248 BIO_printf(bio, "Server public key is %d bit\n",
3249 EVP_PKEY_bits(pktmp));
3251 BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
3252 SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
3253 #ifndef OPENSSL_NO_COMP
3254 comp = SSL_get_current_compression(s);
3255 expansion = SSL_get_current_expansion(s);
3256 BIO_printf(bio, "Compression: %s\n",
3257 comp ? SSL_COMP_get_name(comp) : "NONE");
3258 BIO_printf(bio, "Expansion: %s\n",
3259 expansion ? SSL_COMP_get_name(expansion) : "NONE");
3264 /* Print out local port of connection: useful for debugging */
3266 union BIO_sock_info_u info;
3268 sock = SSL_get_fd(s);
3269 if ((info.addr = BIO_ADDR_new()) != NULL
3270 && BIO_sock_info(sock, BIO_SOCK_INFO_ADDRESS, &info)) {
3271 BIO_printf(bio_c_out, "LOCAL PORT is %u\n",
3272 ntohs(BIO_ADDR_rawport(info.addr)));
3274 BIO_ADDR_free(info.addr);
3278 #if !defined(OPENSSL_NO_NEXTPROTONEG)
3279 if (next_proto.status != -1) {
3280 const unsigned char *proto;
3281 unsigned int proto_len;
3282 SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
3283 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
3284 BIO_write(bio, proto, proto_len);
3285 BIO_write(bio, "\n", 1);
3289 const unsigned char *proto;
3290 unsigned int proto_len;
3291 SSL_get0_alpn_selected(s, &proto, &proto_len);
3292 if (proto_len > 0) {
3293 BIO_printf(bio, "ALPN protocol: ");
3294 BIO_write(bio, proto, proto_len);
3295 BIO_write(bio, "\n", 1);
3297 BIO_printf(bio, "No ALPN negotiated\n");
3300 #ifndef OPENSSL_NO_SRTP
3302 SRTP_PROTECTION_PROFILE *srtp_profile =
3303 SSL_get_selected_srtp_profile(s);
3306 BIO_printf(bio, "SRTP Extension negotiated, profile=%s\n",
3307 srtp_profile->name);
3312 switch (SSL_get_early_data_status(s)) {
3313 case SSL_EARLY_DATA_NOT_SENT:
3314 BIO_printf(bio, "Early data was not sent\n");
3317 case SSL_EARLY_DATA_REJECTED:
3318 BIO_printf(bio, "Early data was rejected\n");
3321 case SSL_EARLY_DATA_ACCEPTED:
3322 BIO_printf(bio, "Early data was accepted\n");
3328 * We also print the verify results when we dump session information,
3329 * but in TLSv1.3 we may not get that right away (or at all) depending
3330 * on when we get a NewSessionTicket. Therefore we print it now as well.
3332 verify_result = SSL_get_verify_result(s);
3333 BIO_printf(bio, "Verify return code: %ld (%s)\n", verify_result,
3334 X509_verify_cert_error_string(verify_result));
3336 /* In TLSv1.3 we do this on arrival of a NewSessionTicket */
3337 SSL_SESSION_print(bio, SSL_get_session(s));
3340 if (SSL_get_session(s) != NULL && keymatexportlabel != NULL) {
3341 BIO_printf(bio, "Keying material exporter:\n");
3342 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel);
3343 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen);
3344 exportedkeymat = app_malloc(keymatexportlen, "export key");
3345 if (!SSL_export_keying_material(s, exportedkeymat,
3348 strlen(keymatexportlabel),
3350 BIO_printf(bio, " Error\n");
3352 BIO_printf(bio, " Keying material: ");
3353 for (i = 0; i < keymatexportlen; i++)
3354 BIO_printf(bio, "%02X", exportedkeymat[i]);
3355 BIO_printf(bio, "\n");
3357 OPENSSL_free(exportedkeymat);
3359 BIO_printf(bio, "---\n");
3361 /* flush, or debugging output gets mixed with http response */
3362 (void)BIO_flush(bio);
3365 # ifndef OPENSSL_NO_OCSP
3366 static int ocsp_resp_cb(SSL *s, void *arg)
3368 const unsigned char *p;
3371 len = SSL_get_tlsext_status_ocsp_resp(s, &p);
3372 BIO_puts(arg, "OCSP response: ");
3374 BIO_puts(arg, "no response sent\n");
3377 rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
3379 BIO_puts(arg, "response parse error\n");
3380 BIO_dump_indent(arg, (char *)p, len, 4);
3383 BIO_puts(arg, "\n======================================\n");
3384 OCSP_RESPONSE_print(arg, rsp, 0);
3385 BIO_puts(arg, "======================================\n");
3386 OCSP_RESPONSE_free(rsp);
3391 static int ldap_ExtendedResponse_parse(const char *buf, long rem)
3393 const unsigned char *cur, *end;
3395 int tag, xclass, inf, ret = -1;
3397 cur = (const unsigned char *)buf;
3403 * LDAPMessage ::= SEQUENCE {
3404 * messageID MessageID,
3405 * protocolOp CHOICE {
3407 * extendedResp ExtendedResponse,
3409 * controls [0] Controls OPTIONAL }
3411 * ExtendedResponse ::= [APPLICATION 24] SEQUENCE {
3412 * COMPONENTS OF LDAPResult,
3413 * responseName [10] LDAPOID OPTIONAL,
3414 * responseValue [11] OCTET STRING OPTIONAL }
3416 * LDAPResult ::= SEQUENCE {
3417 * resultCode ENUMERATED {
3423 * diagnosticMessage LDAPString,
3424 * referral [3] Referral OPTIONAL }
3428 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3429 if (inf != V_ASN1_CONSTRUCTED || tag != V_ASN1_SEQUENCE ||
3430 (rem = end - cur, len > rem)) {
3431 BIO_printf(bio_err, "Unexpected LDAP response\n");
3435 rem = len; /* ensure that we don't overstep the SEQUENCE */
3437 /* pull MessageID */
3438 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3439 if (inf != V_ASN1_UNIVERSAL || tag != V_ASN1_INTEGER ||
3440 (rem = end - cur, len > rem)) {
3441 BIO_printf(bio_err, "No MessageID\n");
3445 cur += len; /* shall we check for MessageId match or just skip? */
3447 /* pull [APPLICATION 24] */
3449 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3450 if (inf != V_ASN1_CONSTRUCTED || xclass != V_ASN1_APPLICATION ||
3452 BIO_printf(bio_err, "Not ExtendedResponse\n");
3456 /* pull resultCode */
3458 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3459 if (inf != V_ASN1_UNIVERSAL || tag != V_ASN1_ENUMERATED || len == 0 ||
3460 (rem = end - cur, len > rem)) {
3461 BIO_printf(bio_err, "Not LDAPResult\n");
3465 /* len should always be one, but just in case... */
3466 for (ret = 0, inf = 0; inf < len; inf++) {
3470 /* There is more data, but we don't care... */
3475 #endif /* OPENSSL_NO_SOCK */