2 * Copyright 1995-2021 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 /* Default PSK identity and key */
96 static char *psk_identity = "Client_identity";
98 #ifndef OPENSSL_NO_PSK
99 static unsigned int psk_client_cb(SSL *ssl, const char *hint, char *identity,
100 unsigned int max_identity_len,
102 unsigned int max_psk_len)
109 BIO_printf(bio_c_out, "psk_client_cb\n");
111 /* no ServerKeyExchange message */
113 BIO_printf(bio_c_out,
114 "NULL received PSK identity hint, continuing anyway\n");
115 } else if (c_debug) {
116 BIO_printf(bio_c_out, "Received PSK identity hint '%s'\n", hint);
120 * lookup PSK identity and PSK key based on the given identity hint here
122 ret = BIO_snprintf(identity, max_identity_len, "%s", psk_identity);
123 if (ret < 0 || (unsigned int)ret > max_identity_len)
126 BIO_printf(bio_c_out, "created identity '%s' len=%d\n", identity,
129 /* convert the PSK key to binary */
130 key = OPENSSL_hexstr2buf(psk_key, &key_len);
132 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n",
136 if (max_psk_len > INT_MAX || key_len > (long)max_psk_len) {
138 "psk buffer of callback is too small (%d) for key (%ld)\n",
139 max_psk_len, key_len);
144 memcpy(psk, key, key_len);
148 BIO_printf(bio_c_out, "created PSK len=%ld\n", key_len);
153 BIO_printf(bio_err, "Error in PSK client callback\n");
158 const unsigned char tls13_aes128gcmsha256_id[] = { 0x13, 0x01 };
159 const unsigned char tls13_aes256gcmsha384_id[] = { 0x13, 0x02 };
161 static int psk_use_session_cb(SSL *s, const EVP_MD *md,
162 const unsigned char **id, size_t *idlen,
165 SSL_SESSION *usesess = NULL;
166 const SSL_CIPHER *cipher = NULL;
168 if (psksess != NULL) {
169 SSL_SESSION_up_ref(psksess);
173 unsigned char *key = OPENSSL_hexstr2buf(psk_key, &key_len);
176 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n",
181 /* We default to SHA-256 */
182 cipher = SSL_CIPHER_find(s, tls13_aes128gcmsha256_id);
183 if (cipher == NULL) {
184 BIO_printf(bio_err, "Error finding suitable ciphersuite\n");
189 usesess = SSL_SESSION_new();
191 || !SSL_SESSION_set1_master_key(usesess, key, key_len)
192 || !SSL_SESSION_set_cipher(usesess, cipher)
193 || !SSL_SESSION_set_protocol_version(usesess, TLS1_3_VERSION)) {
200 cipher = SSL_SESSION_get0_cipher(usesess);
204 if (md != NULL && SSL_CIPHER_get_handshake_digest(cipher) != md) {
205 /* PSK not usable, ignore it */
209 SSL_SESSION_free(usesess);
212 *id = (unsigned char *)psk_identity;
213 *idlen = strlen(psk_identity);
219 SSL_SESSION_free(usesess);
223 /* This is a context that we pass to callbacks */
224 typedef struct tlsextctx_st {
229 static int ssl_servername_cb(SSL *s, int *ad, void *arg)
231 tlsextctx *p = (tlsextctx *) arg;
232 const char *hn = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
233 if (SSL_get_servername_type(s) != -1)
234 p->ack = !SSL_session_reused(s) && hn != NULL;
236 BIO_printf(bio_err, "Can't use SSL_get_servername\n");
238 return SSL_TLSEXT_ERR_OK;
241 #ifndef OPENSSL_NO_SRP
243 /* This is a context that we pass to all callbacks */
244 typedef struct srp_arg_st {
247 int msg; /* copy from c_msg */
248 int debug; /* copy from c_debug */
249 int amp; /* allow more groups */
250 int strength; /* minimal size for N */
253 static int srp_Verify_N_and_g(const BIGNUM *N, const BIGNUM *g)
255 BN_CTX *bn_ctx = BN_CTX_new();
256 BIGNUM *p = BN_new();
257 BIGNUM *r = BN_new();
259 g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) &&
260 BN_check_prime(N, bn_ctx, NULL) == 1 &&
261 p != NULL && BN_rshift1(p, N) &&
263 BN_check_prime(p, bn_ctx, NULL) == 1 &&
265 /* verify g^((N-1)/2) == -1 (mod N) */
266 BN_mod_exp(r, g, p, N, bn_ctx) &&
267 BN_add_word(r, 1) && BN_cmp(r, N) == 0;
276 * This callback is used here for two purposes:
277 * - extended debugging
278 * - making some primality tests for unknown groups
279 * The callback is only called for a non default group.
281 * An application does not need the call back at all if
282 * only the standard groups are used. In real life situations,
283 * client and server already share well known groups,
284 * thus there is no need to verify them.
285 * Furthermore, in case that a server actually proposes a group that
286 * is not one of those defined in RFC 5054, it is more appropriate
287 * to add the group to a static list and then compare since
288 * primality tests are rather cpu consuming.
291 static int ssl_srp_verify_param_cb(SSL *s, void *arg)
293 SRP_ARG *srp_arg = (SRP_ARG *)arg;
294 BIGNUM *N = NULL, *g = NULL;
296 if (((N = SSL_get_srp_N(s)) == NULL) || ((g = SSL_get_srp_g(s)) == NULL))
298 if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1) {
299 BIO_printf(bio_err, "SRP parameters:\n");
300 BIO_printf(bio_err, "\tN=");
301 BN_print(bio_err, N);
302 BIO_printf(bio_err, "\n\tg=");
303 BN_print(bio_err, g);
304 BIO_printf(bio_err, "\n");
307 if (SRP_check_known_gN_param(g, N))
310 if (srp_arg->amp == 1) {
313 "SRP param N and g are not known params, going to check deeper.\n");
316 * The srp_moregroups is a real debugging feature. Implementors
317 * should rather add the value to the known ones. The minimal size
318 * has already been tested.
320 if (BN_num_bits(g) <= BN_BITS && srp_Verify_N_and_g(N, g))
323 BIO_printf(bio_err, "SRP param N and g rejected.\n");
327 # define PWD_STRLEN 1024
329 static char *ssl_give_srp_client_pwd_cb(SSL *s, void *arg)
331 SRP_ARG *srp_arg = (SRP_ARG *)arg;
332 char *pass = app_malloc(PWD_STRLEN + 1, "SRP password buffer");
336 cb_tmp.password = (char *)srp_arg->srppassin;
337 cb_tmp.prompt_info = "SRP user";
338 if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp)) < 0) {
339 BIO_printf(bio_err, "Can't read Password\n");
350 #ifndef OPENSSL_NO_NEXTPROTONEG
351 /* This the context that we pass to next_proto_cb */
352 typedef struct tlsextnextprotoctx_st {
356 } tlsextnextprotoctx;
358 static tlsextnextprotoctx next_proto;
360 static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen,
361 const unsigned char *in, unsigned int inlen,
364 tlsextnextprotoctx *ctx = arg;
367 /* We can assume that |in| is syntactically valid. */
369 BIO_printf(bio_c_out, "Protocols advertised by server: ");
370 for (i = 0; i < inlen;) {
372 BIO_write(bio_c_out, ", ", 2);
373 BIO_write(bio_c_out, &in[i + 1], in[i]);
376 BIO_write(bio_c_out, "\n", 1);
380 SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len);
381 return SSL_TLSEXT_ERR_OK;
383 #endif /* ndef OPENSSL_NO_NEXTPROTONEG */
385 static int serverinfo_cli_parse_cb(SSL *s, unsigned int ext_type,
386 const unsigned char *in, size_t inlen,
390 unsigned char ext_buf[4 + 65536];
392 /* Reconstruct the type/len fields prior to extension data */
393 inlen &= 0xffff; /* for formal memcmpy correctness */
394 ext_buf[0] = (unsigned char)(ext_type >> 8);
395 ext_buf[1] = (unsigned char)(ext_type);
396 ext_buf[2] = (unsigned char)(inlen >> 8);
397 ext_buf[3] = (unsigned char)(inlen);
398 memcpy(ext_buf + 4, in, inlen);
400 BIO_snprintf(pem_name, sizeof(pem_name), "SERVERINFO FOR EXTENSION %d",
402 PEM_write_bio(bio_c_out, pem_name, "", ext_buf, 4 + inlen);
407 * Hex decoder that tolerates optional whitespace. Returns number of bytes
408 * produced, advances inptr to end of input string.
410 static ossl_ssize_t hexdecode(const char **inptr, void *result)
412 unsigned char **out = (unsigned char **)result;
413 const char *in = *inptr;
414 unsigned char *ret = app_malloc(strlen(in) / 2, "hexdecode");
415 unsigned char *cp = ret;
422 for (byte = 0; *in; ++in) {
425 if (isspace(_UC(*in)))
427 x = OPENSSL_hexchar2int(*in);
433 if ((nibble ^= 1) == 0) {
446 return cp - (*out = ret);
450 * Decode unsigned 0..255, returns 1 on success, <= 0 on failure. Advances
451 * inptr to next field skipping leading whitespace.
453 static ossl_ssize_t checked_uint8(const char **inptr, void *out)
455 uint8_t *result = (uint8_t *)out;
456 const char *in = *inptr;
462 v = strtol(in, &endp, 10);
465 if (((v == LONG_MIN || v == LONG_MAX) && e == ERANGE) ||
466 endp == in || !isspace(_UC(*endp)) ||
467 v != (*result = (uint8_t) v)) {
470 for (in = endp; isspace(_UC(*in)); ++in)
480 ossl_ssize_t (*parser)(const char **, void *);
483 static int tlsa_import_rr(SSL *con, const char *rrdata)
485 /* Not necessary to re-init these values; the "parsers" do that. */
486 static uint8_t usage;
487 static uint8_t selector;
488 static uint8_t mtype;
489 static unsigned char *data;
490 static struct tlsa_field tlsa_fields[] = {
491 { &usage, "usage", checked_uint8 },
492 { &selector, "selector", checked_uint8 },
493 { &mtype, "mtype", checked_uint8 },
494 { &data, "data", hexdecode },
497 struct tlsa_field *f;
499 const char *cp = rrdata;
500 ossl_ssize_t len = 0;
502 for (f = tlsa_fields; f->var; ++f) {
503 /* Returns number of bytes produced, advances cp to next field */
504 if ((len = f->parser(&cp, f->var)) <= 0) {
505 BIO_printf(bio_err, "%s: warning: bad TLSA %s field in: %s\n",
506 prog, f->name, rrdata);
510 /* The data field is last, so len is its length */
511 ret = SSL_dane_tlsa_add(con, usage, selector, mtype, data, len);
515 ERR_print_errors(bio_err);
516 BIO_printf(bio_err, "%s: warning: unusable TLSA rrdata: %s\n",
521 ERR_print_errors(bio_err);
522 BIO_printf(bio_err, "%s: warning: error loading TLSA rrdata: %s\n",
529 static int tlsa_import_rrset(SSL *con, STACK_OF(OPENSSL_STRING) *rrset)
531 int num = sk_OPENSSL_STRING_num(rrset);
535 for (i = 0; i < num; ++i) {
536 char *rrdata = sk_OPENSSL_STRING_value(rrset, i);
537 if (tlsa_import_rr(con, rrdata) > 0)
543 typedef enum OPTION_choice {
544 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
545 OPT_4, OPT_6, OPT_HOST, OPT_PORT, OPT_CONNECT, OPT_BIND, OPT_UNIX,
546 OPT_XMPPHOST, OPT_VERIFY, OPT_NAMEOPT,
547 OPT_CERT, OPT_CRL, OPT_CRL_DOWNLOAD, OPT_SESS_OUT, OPT_SESS_IN,
548 OPT_CERTFORM, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET,
549 OPT_BRIEF, OPT_PREXIT, OPT_CRLF, OPT_QUIET, OPT_NBIO,
550 OPT_SSL_CLIENT_ENGINE, OPT_IGN_EOF, OPT_NO_IGN_EOF,
551 OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_WDEBUG,
552 OPT_MSG, OPT_MSGFILE, OPT_ENGINE, OPT_TRACE, OPT_SECURITY_DEBUG,
553 OPT_SECURITY_DEBUG_VERBOSE, OPT_SHOWCERTS, OPT_NBIO_TEST, OPT_STATE,
554 OPT_PSK_IDENTITY, OPT_PSK, OPT_PSK_SESS,
555 #ifndef OPENSSL_NO_SRP
556 OPT_SRPUSER, OPT_SRPPASS, OPT_SRP_STRENGTH, OPT_SRP_LATEUSER,
559 OPT_SSL3, OPT_SSL_CONFIG,
560 OPT_TLS1_3, OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1,
561 OPT_DTLS1_2, OPT_SCTP, OPT_TIMEOUT, OPT_MTU, OPT_KEYFORM, OPT_PASS,
562 OPT_CERT_CHAIN, OPT_KEY, OPT_RECONNECT, OPT_BUILD_CHAIN,
563 OPT_NEXTPROTONEG, OPT_ALPN,
564 OPT_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH,
565 OPT_CAFILE, OPT_NOCAFILE, OPT_CHAINCAFILE, OPT_VERIFYCAFILE,
566 OPT_CASTORE, OPT_NOCASTORE, OPT_CHAINCASTORE, OPT_VERIFYCASTORE,
567 OPT_SERVERINFO, OPT_STARTTLS, OPT_SERVERNAME, OPT_NOSERVERNAME, OPT_ASYNC,
568 OPT_USE_SRTP, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN, OPT_PROTOHOST,
569 OPT_MAXFRAGLEN, OPT_MAX_SEND_FRAG, OPT_SPLIT_SEND_FRAG, OPT_MAX_PIPELINES,
570 OPT_READ_BUF, OPT_KEYLOG_FILE, OPT_EARLY_DATA, OPT_REQCAFILE,
573 OPT_S_ENUM, OPT_IGNORE_UNEXPECTED_EOF,
574 OPT_FALLBACKSCSV, OPT_NOCMDS, OPT_PROXY, OPT_PROXY_USER, OPT_PROXY_PASS,
575 OPT_DANE_TLSA_DOMAIN,
576 #ifndef OPENSSL_NO_CT
577 OPT_CT, OPT_NOCT, OPT_CTLOG_FILE,
579 OPT_DANE_TLSA_RRDATA, OPT_DANE_EE_NO_NAME,
582 OPT_R_ENUM, OPT_PROV_ENUM
585 const OPTIONS s_client_options[] = {
586 {OPT_HELP_STR, 1, '-', "Usage: %s [options] [host:port]\n"},
588 OPT_SECTION("General"),
589 {"help", OPT_HELP, '-', "Display this summary"},
590 #ifndef OPENSSL_NO_ENGINE
591 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
592 {"ssl_client_engine", OPT_SSL_CLIENT_ENGINE, 's',
593 "Specify engine to be used for client certificate operations"},
595 {"ssl_config", OPT_SSL_CONFIG, 's', "Use specified section for SSL_CTX configuration"},
596 #ifndef OPENSSL_NO_CT
597 {"ct", OPT_CT, '-', "Request and parse SCTs (also enables OCSP stapling)"},
598 {"noct", OPT_NOCT, '-', "Do not request or parse SCTs (default)"},
599 {"ctlogfile", OPT_CTLOG_FILE, '<', "CT log list CONF file"},
602 OPT_SECTION("Network"),
603 {"host", OPT_HOST, 's', "Use -connect instead"},
604 {"port", OPT_PORT, 'p', "Use -connect instead"},
605 {"connect", OPT_CONNECT, 's',
606 "TCP/IP where to connect; default: " PORT ")"},
607 {"bind", OPT_BIND, 's', "bind local address for connection"},
608 {"proxy", OPT_PROXY, 's',
609 "Connect to via specified proxy to the real server"},
610 {"proxy_user", OPT_PROXY_USER, 's', "UserID for proxy authentication"},
611 {"proxy_pass", OPT_PROXY_PASS, 's', "Proxy authentication password source"},
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 {"maxfraglen", OPT_MAXFRAGLEN, 'p',
620 "Enable Maximum Fragment Length Negotiation (len values: 512, 1024, 2048 and 4096)"},
621 {"max_send_frag", OPT_MAX_SEND_FRAG, 'p', "Maximum Size of send frames "},
622 {"split_send_frag", OPT_SPLIT_SEND_FRAG, 'p',
623 "Size used to split data for encrypt pipelines"},
624 {"max_pipelines", OPT_MAX_PIPELINES, 'p',
625 "Maximum number of encrypt/decrypt pipelines to be used"},
626 {"read_buf", OPT_READ_BUF, 'p',
627 "Default read buffer size to be used for connections"},
628 {"fallback_scsv", OPT_FALLBACKSCSV, '-', "Send the fallback SCSV"},
630 OPT_SECTION("Identity"),
631 {"cert", OPT_CERT, '<', "Client certificate file to use"},
632 {"certform", OPT_CERTFORM, 'F',
633 "Client certificate file format (PEM/DER/P12); has no effect"},
634 {"cert_chain", OPT_CERT_CHAIN, '<',
635 "Client certificate chain file (in PEM format)"},
636 {"build_chain", OPT_BUILD_CHAIN, '-', "Build client certificate chain"},
637 {"key", OPT_KEY, 's', "Private key file to use; default: -cert file"},
638 {"keyform", OPT_KEYFORM, 'E', "Key format (ENGINE, other values ignored)"},
639 {"pass", OPT_PASS, 's', "Private key and cert file pass phrase source"},
640 {"verify", OPT_VERIFY, 'p', "Turn on peer certificate verification"},
641 {"nameopt", OPT_NAMEOPT, 's', "Certificate subject/issuer name printing options"},
642 {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
643 {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
644 {"CAstore", OPT_CASTORE, ':', "URI to store of CA's"},
645 {"no-CAfile", OPT_NOCAFILE, '-',
646 "Do not load the default certificates file"},
647 {"no-CApath", OPT_NOCAPATH, '-',
648 "Do not load certificates from the default certificates directory"},
649 {"no-CAstore", OPT_NOCASTORE, '-',
650 "Do not load certificates from the default certificates store"},
651 {"requestCAfile", OPT_REQCAFILE, '<',
652 "PEM format file of CA names to send to the server"},
653 {"dane_tlsa_domain", OPT_DANE_TLSA_DOMAIN, 's', "DANE TLSA base domain"},
654 {"dane_tlsa_rrdata", OPT_DANE_TLSA_RRDATA, 's',
655 "DANE TLSA rrdata presentation form"},
656 {"dane_ee_no_namechecks", OPT_DANE_EE_NO_NAME, '-',
657 "Disable name checks when matching DANE-EE(3) TLSA records"},
658 {"psk_identity", OPT_PSK_IDENTITY, 's', "PSK identity"},
659 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"},
660 {"psk_session", OPT_PSK_SESS, '<', "File to read PSK SSL session from"},
661 {"name", OPT_PROTOHOST, 's',
662 "Hostname to use for \"-starttls lmtp\", \"-starttls smtp\" or \"-starttls xmpp[-server]\""},
664 OPT_SECTION("Session"),
665 {"reconnect", OPT_RECONNECT, '-',
666 "Drop and re-make the connection with the same Session-ID"},
667 {"sess_out", OPT_SESS_OUT, '>', "File to write SSL session to"},
668 {"sess_in", OPT_SESS_IN, '<', "File to read SSL session from"},
670 OPT_SECTION("Input/Output"),
671 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"},
672 {"quiet", OPT_QUIET, '-', "No s_client output"},
673 {"ign_eof", OPT_IGN_EOF, '-', "Ignore input eof (default when -quiet)"},
674 {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Don't ignore input eof"},
675 {"starttls", OPT_STARTTLS, 's',
676 "Use the appropriate STARTTLS command before starting TLS"},
677 {"xmpphost", OPT_XMPPHOST, 's',
678 "Alias of -name option for \"-starttls xmpp[-server]\""},
679 {"brief", OPT_BRIEF, '-',
680 "Restrict output to brief summary of connection parameters"},
681 {"prexit", OPT_PREXIT, '-',
682 "Print session information when the program exits"},
684 OPT_SECTION("Debug"),
685 {"showcerts", OPT_SHOWCERTS, '-',
686 "Show all certificates sent by the server"},
687 {"debug", OPT_DEBUG, '-', "Extra output"},
688 {"msg", OPT_MSG, '-', "Show protocol messages"},
689 {"msgfile", OPT_MSGFILE, '>',
690 "File to send output of -msg or -trace, instead of stdout"},
691 {"nbio_test", OPT_NBIO_TEST, '-', "More ssl protocol testing"},
692 {"state", OPT_STATE, '-', "Print the ssl states"},
693 {"keymatexport", OPT_KEYMATEXPORT, 's',
694 "Export keying material using label"},
695 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
696 "Export len bytes of keying material; default 20"},
697 {"security_debug", OPT_SECURITY_DEBUG, '-',
698 "Enable security debug messages"},
699 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-',
700 "Output more security debug output"},
701 #ifndef OPENSSL_NO_SSL_TRACE
702 {"trace", OPT_TRACE, '-', "Show trace output of protocol messages"},
705 {"wdebug", OPT_WDEBUG, '-', "WATT-32 tcp debugging"},
707 {"keylogfile", OPT_KEYLOG_FILE, '>', "Write TLS secrets to file"},
708 {"nocommands", OPT_NOCMDS, '-', "Do not use interactive command letters"},
709 {"servername", OPT_SERVERNAME, 's',
710 "Set TLS extension servername (SNI) in ClientHello (default)"},
711 {"noservername", OPT_NOSERVERNAME, '-',
712 "Do not send the server name (SNI) extension in the ClientHello"},
713 {"tlsextdebug", OPT_TLSEXTDEBUG, '-',
714 "Hex dump of all TLS extensions received"},
715 {"ignore_unexpected_eof", OPT_IGNORE_UNEXPECTED_EOF, '-',
716 "Do not treat lack of close_notify from a peer as an error"},
717 #ifndef OPENSSL_NO_OCSP
718 {"status", OPT_STATUS, '-', "Request certificate status from server"},
720 {"serverinfo", OPT_SERVERINFO, 's',
721 "types Send empty ClientHello extensions (comma-separated numbers)"},
722 {"alpn", OPT_ALPN, 's',
723 "Enable ALPN extension, considering named protocols supported (comma-separated list)"},
724 {"async", OPT_ASYNC, '-', "Support asynchronous operation"},
725 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"},
727 OPT_SECTION("Protocol and version"),
728 #ifndef OPENSSL_NO_SSL3
729 {"ssl3", OPT_SSL3, '-', "Just use SSLv3"},
731 #ifndef OPENSSL_NO_TLS1
732 {"tls1", OPT_TLS1, '-', "Just use TLSv1"},
734 #ifndef OPENSSL_NO_TLS1_1
735 {"tls1_1", OPT_TLS1_1, '-', "Just use TLSv1.1"},
737 #ifndef OPENSSL_NO_TLS1_2
738 {"tls1_2", OPT_TLS1_2, '-', "Just use TLSv1.2"},
740 #ifndef OPENSSL_NO_TLS1_3
741 {"tls1_3", OPT_TLS1_3, '-', "Just use TLSv1.3"},
743 #ifndef OPENSSL_NO_DTLS
744 {"dtls", OPT_DTLS, '-', "Use any version of DTLS"},
745 {"timeout", OPT_TIMEOUT, '-',
746 "Enable send/receive timeout on DTLS connections"},
747 {"mtu", OPT_MTU, 'p', "Set the link layer MTU"},
749 #ifndef OPENSSL_NO_DTLS1
750 {"dtls1", OPT_DTLS1, '-', "Just use DTLSv1"},
752 #ifndef OPENSSL_NO_DTLS1_2
753 {"dtls1_2", OPT_DTLS1_2, '-', "Just use DTLSv1.2"},
755 #ifndef OPENSSL_NO_SCTP
756 {"sctp", OPT_SCTP, '-', "Use SCTP"},
757 {"sctp_label_bug", OPT_SCTP_LABEL_BUG, '-', "Enable SCTP label length bug"},
759 #ifndef OPENSSL_NO_NEXTPROTONEG
760 {"nextprotoneg", OPT_NEXTPROTONEG, 's',
761 "Enable NPN extension, considering named protocols supported (comma-separated list)"},
763 {"early_data", OPT_EARLY_DATA, '<', "File to send as early data"},
764 {"enable_pha", OPT_ENABLE_PHA, '-', "Enable post-handshake-authentication"},
765 #ifndef OPENSSL_NO_SRTP
766 {"use_srtp", OPT_USE_SRTP, 's',
767 "Offer SRTP key management with a colon-separated profile list"},
769 #ifndef OPENSSL_NO_SRP
770 {"srpuser", OPT_SRPUSER, 's', "SRP authentication for 'user'"},
771 {"srppass", OPT_SRPPASS, 's', "Password for 'user'"},
772 {"srp_lateuser", OPT_SRP_LATEUSER, '-',
773 "SRP username into second ClientHello message"},
774 {"srp_moregroups", OPT_SRP_MOREGROUPS, '-',
775 "Tolerate other than the known g N values."},
776 {"srp_strength", OPT_SRP_STRENGTH, 'p', "Minimal length in bits for N"},
782 {"CRL", OPT_CRL, '<', "CRL file to use"},
783 {"crl_download", OPT_CRL_DOWNLOAD, '-', "Download CRL from distribution points"},
784 {"CRLform", OPT_CRLFORM, 'F', "CRL format (PEM or DER); default PEM"},
785 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-',
786 "Close connection on verification error"},
787 {"verify_quiet", OPT_VERIFY_QUIET, '-', "Restrict verify output to errors"},
788 {"chainCAfile", OPT_CHAINCAFILE, '<',
789 "CA file for certificate chain (PEM format)"},
790 {"chainCApath", OPT_CHAINCAPATH, '/',
791 "Use dir as certificate store path to build CA certificate chain"},
792 {"chainCAstore", OPT_CHAINCASTORE, ':',
793 "CA store URI for certificate chain"},
794 {"verifyCAfile", OPT_VERIFYCAFILE, '<',
795 "CA file for certificate verification (PEM format)"},
796 {"verifyCApath", OPT_VERIFYCAPATH, '/',
797 "Use dir as certificate store path to verify CA certificate"},
798 {"verifyCAstore", OPT_VERIFYCASTORE, ':',
799 "CA store URI for certificate verification"},
804 {"host:port", 0, 0, "Where to connect; same as -connect option"},
808 typedef enum PROTOCOL_choice {
827 static const OPT_PAIR services[] = {
828 {"smtp", PROTO_SMTP},
829 {"pop3", PROTO_POP3},
830 {"imap", PROTO_IMAP},
832 {"xmpp", PROTO_XMPP},
833 {"xmpp-server", PROTO_XMPP_SERVER},
834 {"telnet", PROTO_TELNET},
836 {"mysql", PROTO_MYSQL},
837 {"postgres", PROTO_POSTGRES},
838 {"lmtp", PROTO_LMTP},
839 {"nntp", PROTO_NNTP},
840 {"sieve", PROTO_SIEVE},
841 {"ldap", PROTO_LDAP},
845 #define IS_INET_FLAG(o) \
846 (o == OPT_4 || o == OPT_6 || o == OPT_HOST || o == OPT_PORT || o == OPT_CONNECT)
847 #define IS_UNIX_FLAG(o) (o == OPT_UNIX)
849 #define IS_PROT_FLAG(o) \
850 (o == OPT_SSL3 || o == OPT_TLS1 || o == OPT_TLS1_1 || o == OPT_TLS1_2 \
851 || o == OPT_TLS1_3 || o == OPT_DTLS || o == OPT_DTLS1 || o == OPT_DTLS1_2)
853 /* Free |*dest| and optionally set it to a copy of |source|. */
854 static void freeandcopy(char **dest, const char *source)
859 *dest = OPENSSL_strdup(source);
862 static int new_session_cb(SSL *s, SSL_SESSION *sess)
865 if (sess_out != NULL) {
866 BIO *stmp = BIO_new_file(sess_out, "w");
869 BIO_printf(bio_err, "Error writing session file %s\n", sess_out);
871 PEM_write_bio_SSL_SESSION(stmp, sess);
877 * Session data gets dumped on connection for TLSv1.2 and below, and on
878 * arrival of the NewSessionTicket for TLSv1.3.
880 if (SSL_version(s) == TLS1_3_VERSION) {
881 BIO_printf(bio_c_out,
882 "---\nPost-Handshake New Session Ticket arrived:\n");
883 SSL_SESSION_print(bio_c_out, sess);
884 BIO_printf(bio_c_out, "---\n");
888 * We always return a "fail" response so that the session gets freed again
889 * because we haven't used the reference.
894 int s_client_main(int argc, char **argv)
897 EVP_PKEY *key = NULL;
900 STACK_OF(X509) *chain = NULL;
902 X509_VERIFY_PARAM *vpm = NULL;
903 SSL_EXCERT *exc = NULL;
904 SSL_CONF_CTX *cctx = NULL;
905 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
906 char *dane_tlsa_domain = NULL;
907 STACK_OF(OPENSSL_STRING) *dane_tlsa_rrset = NULL;
908 int dane_ee_no_name = 0;
909 STACK_OF(X509_CRL) *crls = NULL;
910 const SSL_METHOD *meth = TLS_client_method();
911 const char *CApath = NULL, *CAfile = NULL, *CAstore = NULL;
912 char *cbuf = NULL, *sbuf = NULL, *mbuf = NULL;
913 char *proxystr = NULL, *proxyuser = NULL;
914 char *proxypassarg = NULL, *proxypass = NULL;
915 char *connectstr = NULL, *bindstr = NULL;
916 char *cert_file = NULL, *key_file = NULL, *chain_file = NULL;
917 char *chCApath = NULL, *chCAfile = NULL, *chCAstore = NULL, *host = NULL;
918 char *thost = NULL, *tport = NULL;
919 char *port = OPENSSL_strdup(PORT);
920 char *bindhost = NULL, *bindport = NULL;
921 char *passarg = NULL, *pass = NULL;
922 char *vfyCApath = NULL, *vfyCAfile = NULL, *vfyCAstore = NULL;
923 char *ReqCAfile = NULL;
924 char *sess_in = NULL, *crl_file = NULL, *p;
925 const char *protohost = NULL;
926 struct timeval timeout, *timeoutp;
927 fd_set readfds, writefds;
928 int noCApath = 0, noCAfile = 0, noCAstore = 0;
929 int build_chain = 0, cbuf_len, cbuf_off, cert_format = FORMAT_PEM;
930 int key_format = FORMAT_PEM, crlf = 0, full_log = 1, mbuf_len = 0;
933 int reconnect = 0, verify = SSL_VERIFY_NONE, vpmtouched = 0;
934 int ret = 1, in_init = 1, i, nbio_test = 0, sock = -1, k, width, state = 0;
935 int sbuf_len, sbuf_off, cmdletters = 1;
936 int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM, protocol = 0;
937 int starttls_proto = PROTO_OFF, crl_format = FORMAT_PEM, crl_download = 0;
938 int write_tty, read_tty, write_ssl, read_ssl, tty_on, ssl_pending;
939 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
942 int read_buf_len = 0;
943 int fallback_scsv = 0;
945 #ifndef OPENSSL_NO_DTLS
946 int enable_timeouts = 0;
949 #ifndef OPENSSL_NO_ENGINE
950 ENGINE *ssl_client_engine = NULL;
953 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
956 const char *servername = NULL;
957 int noservername = 0;
958 const char *alpn_in = NULL;
959 tlsextctx tlsextcbp = { NULL, 0 };
960 const char *ssl_config = NULL;
961 #define MAX_SI_TYPES 100
962 unsigned short serverinfo_types[MAX_SI_TYPES];
963 int serverinfo_count = 0, start = 0, len;
964 #ifndef OPENSSL_NO_NEXTPROTONEG
965 const char *next_proto_neg_in = NULL;
967 #ifndef OPENSSL_NO_SRP
968 char *srppass = NULL;
969 int srp_lateuser = 0;
970 SRP_ARG srp_arg = { NULL, NULL, 0, 0, 0, 1024 };
972 #ifndef OPENSSL_NO_SRTP
973 char *srtp_profiles = NULL;
975 #ifndef OPENSSL_NO_CT
976 char *ctlog_file = NULL;
977 int ct_validation = 0;
979 int min_version = 0, max_version = 0, prot_opt = 0, no_prot_opt = 0;
981 unsigned int max_send_fragment = 0;
982 unsigned int split_send_fragment = 0, max_pipelines = 0;
983 enum { use_inet, use_unix, use_unknown } connect_type = use_unknown;
985 uint8_t maxfraglen = 0;
986 int c_nbio = 0, c_msg = 0, c_ign_eof = 0, c_brief = 0;
987 int c_tlsextdebug = 0;
988 #ifndef OPENSSL_NO_OCSP
989 int c_status_req = 0;
991 BIO *bio_c_msg = NULL;
992 const char *keylog_file = NULL, *early_data_file = NULL;
993 #ifndef OPENSSL_NO_DTLS
996 char *psksessf = NULL;
998 #ifndef OPENSSL_NO_SCTP
999 int sctp_label_bug = 0;
1001 int ignore_unexpected_eof = 0;
1005 /* Known false-positive of MemorySanitizer. */
1006 #if defined(__has_feature)
1007 # if __has_feature(memory_sanitizer)
1008 __msan_unpoison(&readfds, sizeof(readfds));
1009 __msan_unpoison(&writefds, sizeof(writefds));
1017 vpm = X509_VERIFY_PARAM_new();
1018 cctx = SSL_CONF_CTX_new();
1020 if (vpm == NULL || cctx == NULL) {
1021 BIO_printf(bio_err, "%s: out of memory\n", opt_getprog());
1025 cbuf = app_malloc(BUFSIZZ, "cbuf");
1026 sbuf = app_malloc(BUFSIZZ, "sbuf");
1027 mbuf = app_malloc(BUFSIZZ, "mbuf");
1029 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT | SSL_CONF_FLAG_CMDLINE);
1031 prog = opt_init(argc, argv, s_client_options);
1032 while ((o = opt_next()) != OPT_EOF) {
1033 /* Check for intermixing flags. */
1034 if (connect_type == use_unix && IS_INET_FLAG(o)) {
1036 "%s: Intermixed protocol flags (unix and internet domains)\n",
1040 if (connect_type == use_inet && IS_UNIX_FLAG(o)) {
1042 "%s: Intermixed protocol flags (internet and unix domains)\n",
1047 if (IS_PROT_FLAG(o) && ++prot_opt > 1) {
1048 BIO_printf(bio_err, "Cannot supply multiple protocol flags\n");
1051 if (IS_NO_PROT_FLAG(o))
1053 if (prot_opt == 1 && no_prot_opt) {
1055 "Cannot supply both a protocol flag and '-no_<prot>'\n");
1063 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
1066 opt_help(s_client_options);
1070 connect_type = use_inet;
1071 socket_family = AF_INET;
1076 connect_type = use_inet;
1077 socket_family = AF_INET6;
1082 connect_type = use_inet;
1083 freeandcopy(&host, opt_arg());
1086 connect_type = use_inet;
1087 freeandcopy(&port, opt_arg());
1090 connect_type = use_inet;
1091 freeandcopy(&connectstr, opt_arg());
1094 freeandcopy(&bindstr, opt_arg());
1097 proxystr = opt_arg();
1098 starttls_proto = PROTO_CONNECT;
1100 case OPT_PROXY_USER:
1101 proxyuser = opt_arg();
1103 case OPT_PROXY_PASS:
1104 proxypassarg = opt_arg();
1108 connect_type = use_unix;
1109 socket_family = AF_UNIX;
1110 freeandcopy(&host, opt_arg());
1114 /* fall through, since this is an alias */
1116 protohost = opt_arg();
1119 verify = SSL_VERIFY_PEER;
1120 verify_args.depth = atoi(opt_arg());
1122 BIO_printf(bio_err, "verify depth is %d\n", verify_args.depth);
1125 cert_file = opt_arg();
1128 if (!set_nameopt(opt_arg()))
1132 crl_file = opt_arg();
1134 case OPT_CRL_DOWNLOAD:
1138 sess_out = opt_arg();
1141 sess_in = opt_arg();
1144 if (!opt_format(opt_arg(), OPT_FMT_ANY, &cert_format))
1148 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
1151 case OPT_VERIFY_RET_ERROR:
1152 verify = SSL_VERIFY_PEER;
1153 verify_args.return_error = 1;
1155 case OPT_VERIFY_QUIET:
1156 verify_args.quiet = 1;
1159 c_brief = verify_args.quiet = c_quiet = 1;
1162 if (ssl_args == NULL)
1163 ssl_args = sk_OPENSSL_STRING_new_null();
1164 if (ssl_args == NULL
1165 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
1166 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
1167 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1172 if (!opt_verify(o, vpm))
1177 if (!args_excert(o, &exc))
1180 case OPT_IGNORE_UNEXPECTED_EOF:
1181 ignore_unexpected_eof = 1;
1190 c_quiet = c_ign_eof = 1;
1199 e = setup_engine(opt_arg(), 1);
1201 case OPT_SSL_CLIENT_ENGINE:
1202 #ifndef OPENSSL_NO_ENGINE
1203 ssl_client_engine = setup_engine(opt_arg(), 0);
1204 if (ssl_client_engine == NULL) {
1205 BIO_printf(bio_err, "Error getting client auth engine\n");
1214 case OPT_PROV_CASES:
1215 if (!opt_provider(o))
1221 case OPT_NO_IGN_EOF:
1227 case OPT_TLSEXTDEBUG:
1231 #ifndef OPENSSL_NO_OCSP
1244 bio_c_msg = BIO_new_file(opt_arg(), "w");
1247 #ifndef OPENSSL_NO_SSL_TRACE
1251 case OPT_SECURITY_DEBUG:
1254 case OPT_SECURITY_DEBUG_VERBOSE:
1266 case OPT_PSK_IDENTITY:
1267 psk_identity = opt_arg();
1270 for (p = psk_key = opt_arg(); *p; p++) {
1271 if (isxdigit(_UC(*p)))
1273 BIO_printf(bio_err, "Not a hex number '%s'\n", psk_key);
1278 psksessf = opt_arg();
1280 #ifndef OPENSSL_NO_SRP
1282 srp_arg.srplogin = opt_arg();
1283 if (min_version < TLS1_VERSION)
1284 min_version = TLS1_VERSION;
1287 srppass = opt_arg();
1288 if (min_version < TLS1_VERSION)
1289 min_version = TLS1_VERSION;
1291 case OPT_SRP_STRENGTH:
1292 srp_arg.strength = atoi(opt_arg());
1293 BIO_printf(bio_err, "SRP minimal length for N is %d\n",
1295 if (min_version < TLS1_VERSION)
1296 min_version = TLS1_VERSION;
1298 case OPT_SRP_LATEUSER:
1300 if (min_version < TLS1_VERSION)
1301 min_version = TLS1_VERSION;
1303 case OPT_SRP_MOREGROUPS:
1305 if (min_version < TLS1_VERSION)
1306 min_version = TLS1_VERSION;
1309 case OPT_SSL_CONFIG:
1310 ssl_config = opt_arg();
1313 min_version = SSL3_VERSION;
1314 max_version = SSL3_VERSION;
1315 socket_type = SOCK_STREAM;
1316 #ifndef OPENSSL_NO_DTLS
1321 min_version = TLS1_3_VERSION;
1322 max_version = TLS1_3_VERSION;
1323 socket_type = SOCK_STREAM;
1324 #ifndef OPENSSL_NO_DTLS
1329 min_version = TLS1_2_VERSION;
1330 max_version = TLS1_2_VERSION;
1331 socket_type = SOCK_STREAM;
1332 #ifndef OPENSSL_NO_DTLS
1337 min_version = TLS1_1_VERSION;
1338 max_version = TLS1_1_VERSION;
1339 socket_type = SOCK_STREAM;
1340 #ifndef OPENSSL_NO_DTLS
1345 min_version = TLS1_VERSION;
1346 max_version = TLS1_VERSION;
1347 socket_type = SOCK_STREAM;
1348 #ifndef OPENSSL_NO_DTLS
1353 #ifndef OPENSSL_NO_DTLS
1354 meth = DTLS_client_method();
1355 socket_type = SOCK_DGRAM;
1360 #ifndef OPENSSL_NO_DTLS1
1361 meth = DTLS_client_method();
1362 min_version = DTLS1_VERSION;
1363 max_version = DTLS1_VERSION;
1364 socket_type = SOCK_DGRAM;
1369 #ifndef OPENSSL_NO_DTLS1_2
1370 meth = DTLS_client_method();
1371 min_version = DTLS1_2_VERSION;
1372 max_version = DTLS1_2_VERSION;
1373 socket_type = SOCK_DGRAM;
1378 #ifndef OPENSSL_NO_SCTP
1379 protocol = IPPROTO_SCTP;
1382 case OPT_SCTP_LABEL_BUG:
1383 #ifndef OPENSSL_NO_SCTP
1388 #ifndef OPENSSL_NO_DTLS
1389 enable_timeouts = 1;
1393 #ifndef OPENSSL_NO_DTLS
1394 socket_mtu = atol(opt_arg());
1397 case OPT_FALLBACKSCSV:
1401 if (!opt_format(opt_arg(), OPT_FMT_ANY, &key_format))
1405 passarg = opt_arg();
1407 case OPT_CERT_CHAIN:
1408 chain_file = opt_arg();
1411 key_file = opt_arg();
1422 case OPT_CHAINCAPATH:
1423 chCApath = opt_arg();
1425 case OPT_VERIFYCAPATH:
1426 vfyCApath = opt_arg();
1428 case OPT_BUILD_CHAIN:
1432 ReqCAfile = opt_arg();
1440 #ifndef OPENSSL_NO_CT
1447 case OPT_CTLOG_FILE:
1448 ctlog_file = opt_arg();
1451 case OPT_CHAINCAFILE:
1452 chCAfile = opt_arg();
1454 case OPT_VERIFYCAFILE:
1455 vfyCAfile = opt_arg();
1458 CAstore = opt_arg();
1463 case OPT_CHAINCASTORE:
1464 chCAstore = opt_arg();
1466 case OPT_VERIFYCASTORE:
1467 vfyCAstore = opt_arg();
1469 case OPT_DANE_TLSA_DOMAIN:
1470 dane_tlsa_domain = opt_arg();
1472 case OPT_DANE_TLSA_RRDATA:
1473 if (dane_tlsa_rrset == NULL)
1474 dane_tlsa_rrset = sk_OPENSSL_STRING_new_null();
1475 if (dane_tlsa_rrset == NULL ||
1476 !sk_OPENSSL_STRING_push(dane_tlsa_rrset, opt_arg())) {
1477 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1481 case OPT_DANE_EE_NO_NAME:
1482 dane_ee_no_name = 1;
1484 case OPT_NEXTPROTONEG:
1485 #ifndef OPENSSL_NO_NEXTPROTONEG
1486 next_proto_neg_in = opt_arg();
1490 alpn_in = opt_arg();
1492 case OPT_SERVERINFO:
1495 for (start = 0, i = 0; i <= len; ++i) {
1496 if (i == len || p[i] == ',') {
1497 serverinfo_types[serverinfo_count] = atoi(p + start);
1498 if (++serverinfo_count == MAX_SI_TYPES)
1505 if (!opt_pair(opt_arg(), services, &starttls_proto))
1508 case OPT_SERVERNAME:
1509 servername = opt_arg();
1511 case OPT_NOSERVERNAME:
1515 #ifndef OPENSSL_NO_SRTP
1516 srtp_profiles = opt_arg();
1519 case OPT_KEYMATEXPORT:
1520 keymatexportlabel = opt_arg();
1522 case OPT_KEYMATEXPORTLEN:
1523 keymatexportlen = atoi(opt_arg());
1528 case OPT_MAXFRAGLEN:
1529 len = atoi(opt_arg());
1532 maxfraglen = TLSEXT_max_fragment_length_512;
1535 maxfraglen = TLSEXT_max_fragment_length_1024;
1538 maxfraglen = TLSEXT_max_fragment_length_2048;
1541 maxfraglen = TLSEXT_max_fragment_length_4096;
1545 "%s: Max Fragment Len %u is out of permitted values",
1550 case OPT_MAX_SEND_FRAG:
1551 max_send_fragment = atoi(opt_arg());
1553 case OPT_SPLIT_SEND_FRAG:
1554 split_send_fragment = atoi(opt_arg());
1556 case OPT_MAX_PIPELINES:
1557 max_pipelines = atoi(opt_arg());
1560 read_buf_len = atoi(opt_arg());
1562 case OPT_KEYLOG_FILE:
1563 keylog_file = opt_arg();
1565 case OPT_EARLY_DATA:
1566 early_data_file = opt_arg();
1568 case OPT_ENABLE_PHA:
1574 /* Optional argument is connect string if -connect not used. */
1575 argc = opt_num_rest();
1578 * Don't allow -connect and a separate argument.
1580 if (connectstr != NULL) {
1582 "%s: cannot provide both -connect option and target parameter\n",
1586 connect_type = use_inet;
1587 freeandcopy(&connectstr, *opt_rest());
1588 } else if (argc != 0) {
1592 if (count4or6 >= 2) {
1593 BIO_printf(bio_err, "%s: Can't use both -4 and -6\n", prog);
1597 if (servername != NULL) {
1599 "%s: Can't use -servername and -noservername together\n",
1603 if (dane_tlsa_domain != NULL) {
1605 "%s: Can't use -dane_tlsa_domain and -noservername together\n",
1611 #ifndef OPENSSL_NO_NEXTPROTONEG
1612 if (min_version == TLS1_3_VERSION && next_proto_neg_in != NULL) {
1613 BIO_printf(bio_err, "Cannot supply -nextprotoneg with TLSv1.3\n");
1618 if (connectstr != NULL) {
1620 char *tmp_host = host, *tmp_port = port;
1622 res = BIO_parse_hostserv(connectstr, &host, &port, BIO_PARSE_PRIO_HOST);
1623 if (tmp_host != host)
1624 OPENSSL_free(tmp_host);
1625 if (tmp_port != port)
1626 OPENSSL_free(tmp_port);
1629 "%s: -connect argument or target parameter malformed or ambiguous\n",
1635 if (proxystr != NULL) {
1637 char *tmp_host = host, *tmp_port = port;
1639 if (host == NULL || port == NULL) {
1640 BIO_printf(bio_err, "%s: -proxy requires use of -connect or target parameter\n", prog);
1644 /* Retain the original target host:port for use in the HTTP proxy connect string */
1645 thost = OPENSSL_strdup(host);
1646 tport = OPENSSL_strdup(port);
1647 if (thost == NULL || tport == NULL) {
1648 BIO_printf(bio_err, "%s: out of memory\n", prog);
1652 res = BIO_parse_hostserv(proxystr, &host, &port, BIO_PARSE_PRIO_HOST);
1653 if (tmp_host != host)
1654 OPENSSL_free(tmp_host);
1655 if (tmp_port != port)
1656 OPENSSL_free(tmp_port);
1659 "%s: -proxy argument malformed or ambiguous\n", prog);
1664 if (bindstr != NULL) {
1666 res = BIO_parse_hostserv(bindstr, &bindhost, &bindport,
1667 BIO_PARSE_PRIO_HOST);
1670 "%s: -bind argument parameter malformed or ambiguous\n",
1677 if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) {
1679 "Can't use unix sockets and datagrams together\n");
1684 #ifndef OPENSSL_NO_SCTP
1685 if (protocol == IPPROTO_SCTP) {
1686 if (socket_type != SOCK_DGRAM) {
1687 BIO_printf(bio_err, "Can't use -sctp without DTLS\n");
1690 /* SCTP is unusual. It uses DTLS over a SOCK_STREAM protocol */
1691 socket_type = SOCK_STREAM;
1695 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1696 next_proto.status = -1;
1697 if (next_proto_neg_in) {
1699 next_protos_parse(&next_proto.len, next_proto_neg_in);
1700 if (next_proto.data == NULL) {
1701 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n");
1705 next_proto.data = NULL;
1708 if (!app_passwd(passarg, NULL, &pass, NULL)) {
1709 BIO_printf(bio_err, "Error getting private key password\n");
1713 if (!app_passwd(proxypassarg, NULL, &proxypass, NULL)) {
1714 BIO_printf(bio_err, "Error getting proxy password\n");
1718 if (proxypass != NULL && proxyuser == NULL) {
1719 BIO_printf(bio_err, "Error: Must specify proxy_user with proxy_pass\n");
1723 if (key_file == NULL)
1724 key_file = cert_file;
1726 if (key_file != NULL) {
1727 key = load_key(key_file, key_format, 0, pass, e,
1728 "client certificate private key");
1733 if (cert_file != NULL) {
1734 cert = load_cert_pass(cert_file, 1, pass, "client certificate");
1739 if (chain_file != NULL) {
1740 if (!load_certs(chain_file, &chain, pass, "client certificate chain"))
1744 if (crl_file != NULL) {
1746 crl = load_crl(crl_file, "CRL");
1749 crls = sk_X509_CRL_new_null();
1750 if (crls == NULL || !sk_X509_CRL_push(crls, crl)) {
1751 BIO_puts(bio_err, "Error adding CRL\n");
1752 ERR_print_errors(bio_err);
1758 if (!load_excert(&exc))
1761 if (bio_c_out == NULL) {
1762 if (c_quiet && !c_debug) {
1763 bio_c_out = BIO_new(BIO_s_null());
1764 if (c_msg && bio_c_msg == NULL)
1765 bio_c_msg = dup_bio_out(FORMAT_TEXT);
1766 } else if (bio_c_out == NULL)
1767 bio_c_out = dup_bio_out(FORMAT_TEXT);
1769 #ifndef OPENSSL_NO_SRP
1770 if (!app_passwd(srppass, NULL, &srp_arg.srppassin, NULL)) {
1771 BIO_printf(bio_err, "Error getting password\n");
1776 ctx = SSL_CTX_new(meth);
1778 ERR_print_errors(bio_err);
1782 SSL_CTX_clear_mode(ctx, SSL_MODE_AUTO_RETRY);
1785 ssl_ctx_security_debug(ctx, sdebug);
1787 if (!config_ctx(cctx, ssl_args, ctx))
1790 if (ssl_config != NULL) {
1791 if (SSL_CTX_config(ctx, ssl_config) == 0) {
1792 BIO_printf(bio_err, "Error using configuration \"%s\"\n",
1794 ERR_print_errors(bio_err);
1799 #ifndef OPENSSL_NO_SCTP
1800 if (protocol == IPPROTO_SCTP && sctp_label_bug == 1)
1801 SSL_CTX_set_mode(ctx, SSL_MODE_DTLS_SCTP_LABEL_LENGTH_BUG);
1804 if (min_version != 0
1805 && SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
1807 if (max_version != 0
1808 && SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
1811 if (ignore_unexpected_eof)
1812 SSL_CTX_set_options(ctx, SSL_OP_IGNORE_UNEXPECTED_EOF);
1814 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
1815 BIO_printf(bio_err, "Error setting verify params\n");
1816 ERR_print_errors(bio_err);
1821 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
1824 if (max_send_fragment > 0
1825 && !SSL_CTX_set_max_send_fragment(ctx, max_send_fragment)) {
1826 BIO_printf(bio_err, "%s: Max send fragment size %u is out of permitted range\n",
1827 prog, max_send_fragment);
1831 if (split_send_fragment > 0
1832 && !SSL_CTX_set_split_send_fragment(ctx, split_send_fragment)) {
1833 BIO_printf(bio_err, "%s: Split send fragment size %u is out of permitted range\n",
1834 prog, split_send_fragment);
1838 if (max_pipelines > 0
1839 && !SSL_CTX_set_max_pipelines(ctx, max_pipelines)) {
1840 BIO_printf(bio_err, "%s: Max pipelines %u is out of permitted range\n",
1841 prog, max_pipelines);
1845 if (read_buf_len > 0) {
1846 SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len);
1850 && !SSL_CTX_set_tlsext_max_fragment_length(ctx, maxfraglen)) {
1852 "%s: Max Fragment Length code %u is out of permitted values"
1853 "\n", prog, maxfraglen);
1857 if (!ssl_load_stores(ctx,
1858 vfyCApath, vfyCAfile, vfyCAstore,
1859 chCApath, chCAfile, chCAstore,
1860 crls, crl_download)) {
1861 BIO_printf(bio_err, "Error loading store locations\n");
1862 ERR_print_errors(bio_err);
1865 if (ReqCAfile != NULL) {
1866 STACK_OF(X509_NAME) *nm = sk_X509_NAME_new_null();
1868 if (nm == NULL || !SSL_add_file_cert_subjects_to_stack(nm, ReqCAfile)) {
1869 sk_X509_NAME_pop_free(nm, X509_NAME_free);
1870 BIO_printf(bio_err, "Error loading CA names\n");
1871 ERR_print_errors(bio_err);
1874 SSL_CTX_set0_CA_list(ctx, nm);
1876 #ifndef OPENSSL_NO_ENGINE
1877 if (ssl_client_engine) {
1878 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine)) {
1879 BIO_puts(bio_err, "Error setting client auth engine\n");
1880 ERR_print_errors(bio_err);
1881 release_engine(ssl_client_engine);
1884 release_engine(ssl_client_engine);
1888 #ifndef OPENSSL_NO_PSK
1889 if (psk_key != NULL) {
1891 BIO_printf(bio_c_out, "PSK key given, setting client callback\n");
1892 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
1895 if (psksessf != NULL) {
1896 BIO *stmp = BIO_new_file(psksessf, "r");
1899 BIO_printf(bio_err, "Can't open PSK session file %s\n", psksessf);
1900 ERR_print_errors(bio_err);
1903 psksess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1905 if (psksess == NULL) {
1906 BIO_printf(bio_err, "Can't read PSK session file %s\n", psksessf);
1907 ERR_print_errors(bio_err);
1911 if (psk_key != NULL || psksess != NULL)
1912 SSL_CTX_set_psk_use_session_callback(ctx, psk_use_session_cb);
1914 #ifndef OPENSSL_NO_SRTP
1915 if (srtp_profiles != NULL) {
1916 /* Returns 0 on success! */
1917 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
1918 BIO_printf(bio_err, "Error setting SRTP profile\n");
1919 ERR_print_errors(bio_err);
1926 ssl_ctx_set_excert(ctx, exc);
1928 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1929 if (next_proto.data != NULL)
1930 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
1934 unsigned char *alpn = next_protos_parse(&alpn_len, alpn_in);
1937 BIO_printf(bio_err, "Error parsing -alpn argument\n");
1940 /* Returns 0 on success! */
1941 if (SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len) != 0) {
1942 BIO_printf(bio_err, "Error setting ALPN\n");
1948 for (i = 0; i < serverinfo_count; i++) {
1949 if (!SSL_CTX_add_client_custom_ext(ctx,
1950 serverinfo_types[i],
1952 serverinfo_cli_parse_cb, NULL)) {
1954 "Warning: Unable to add custom extension %u, skipping\n",
1955 serverinfo_types[i]);
1960 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1962 #ifndef OPENSSL_NO_CT
1963 /* Enable SCT processing, without early connection termination */
1964 if (ct_validation &&
1965 !SSL_CTX_enable_ct(ctx, SSL_CT_VALIDATION_PERMISSIVE)) {
1966 ERR_print_errors(bio_err);
1970 if (!ctx_set_ctlog_list_file(ctx, ctlog_file)) {
1971 if (ct_validation) {
1972 ERR_print_errors(bio_err);
1977 * If CT validation is not enabled, the log list isn't needed so don't
1978 * show errors or abort. We try to load it regardless because then we
1979 * can show the names of the logs any SCTs came from (SCTs may be seen
1980 * even with validation disabled).
1986 SSL_CTX_set_verify(ctx, verify, verify_callback);
1988 if (!ctx_set_verify_locations(ctx, CAfile, noCAfile, CApath, noCApath,
1989 CAstore, noCAstore)) {
1990 ERR_print_errors(bio_err);
1994 ssl_ctx_add_crls(ctx, crls, crl_download);
1996 if (!set_cert_key_stuff(ctx, cert, key, chain, build_chain))
1999 if (!noservername) {
2000 tlsextcbp.biodebug = bio_err;
2001 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
2002 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
2004 # ifndef OPENSSL_NO_SRP
2005 if (srp_arg.srplogin) {
2006 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin)) {
2007 BIO_printf(bio_err, "Unable to set SRP username\n");
2010 srp_arg.msg = c_msg;
2011 srp_arg.debug = c_debug;
2012 SSL_CTX_set_srp_cb_arg(ctx, &srp_arg);
2013 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb);
2014 SSL_CTX_set_srp_strength(ctx, srp_arg.strength);
2015 if (c_msg || c_debug || srp_arg.amp == 0)
2016 SSL_CTX_set_srp_verify_param_callback(ctx,
2017 ssl_srp_verify_param_cb);
2021 if (dane_tlsa_domain != NULL) {
2022 if (SSL_CTX_dane_enable(ctx) <= 0) {
2024 "%s: Error enabling DANE TLSA authentication.\n",
2026 ERR_print_errors(bio_err);
2032 * In TLSv1.3 NewSessionTicket messages arrive after the handshake and can
2033 * come at any time. Therefore we use a callback to write out the session
2034 * when we know about it. This approach works for < TLSv1.3 as well.
2036 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_CLIENT
2037 | SSL_SESS_CACHE_NO_INTERNAL_STORE);
2038 SSL_CTX_sess_set_new_cb(ctx, new_session_cb);
2040 if (set_keylog_file(ctx, keylog_file))
2048 SSL_set_post_handshake_auth(con, 1);
2050 if (sess_in != NULL) {
2052 BIO *stmp = BIO_new_file(sess_in, "r");
2054 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
2055 ERR_print_errors(bio_err);
2058 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
2061 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
2062 ERR_print_errors(bio_err);
2065 if (!SSL_set_session(con, sess)) {
2066 BIO_printf(bio_err, "Can't set session\n");
2067 ERR_print_errors(bio_err);
2071 SSL_SESSION_free(sess);
2075 SSL_set_mode(con, SSL_MODE_SEND_FALLBACK_SCSV);
2077 if (!noservername && (servername != NULL || dane_tlsa_domain == NULL)) {
2078 if (servername == NULL) {
2079 if(host == NULL || is_dNS_name(host))
2080 servername = (host == NULL) ? "localhost" : host;
2082 if (servername != NULL && !SSL_set_tlsext_host_name(con, servername)) {
2083 BIO_printf(bio_err, "Unable to set TLS servername extension.\n");
2084 ERR_print_errors(bio_err);
2089 if (dane_tlsa_domain != NULL) {
2090 if (SSL_dane_enable(con, dane_tlsa_domain) <= 0) {
2091 BIO_printf(bio_err, "%s: Error enabling DANE TLSA "
2092 "authentication.\n", prog);
2093 ERR_print_errors(bio_err);
2096 if (dane_tlsa_rrset == NULL) {
2097 BIO_printf(bio_err, "%s: DANE TLSA authentication requires at "
2098 "least one -dane_tlsa_rrdata option.\n", prog);
2101 if (tlsa_import_rrset(con, dane_tlsa_rrset) <= 0) {
2102 BIO_printf(bio_err, "%s: Failed to import any TLSA "
2103 "records.\n", prog);
2106 if (dane_ee_no_name)
2107 SSL_dane_set_flags(con, DANE_FLAG_NO_DANE_EE_NAMECHECKS);
2108 } else if (dane_tlsa_rrset != NULL) {
2109 BIO_printf(bio_err, "%s: DANE TLSA authentication requires the "
2110 "-dane_tlsa_domain option.\n", prog);
2115 if (init_client(&sock, host, port, bindhost, bindport, socket_family,
2116 socket_type, protocol) == 0) {
2117 BIO_printf(bio_err, "connect:errno=%d\n", get_last_socket_error());
2118 BIO_closesocket(sock);
2121 BIO_printf(bio_c_out, "CONNECTED(%08X)\n", sock);
2124 if (!BIO_socket_nbio(sock, 1)) {
2125 ERR_print_errors(bio_err);
2128 BIO_printf(bio_c_out, "Turned on non blocking io\n");
2130 #ifndef OPENSSL_NO_DTLS
2132 union BIO_sock_info_u peer_info;
2134 #ifndef OPENSSL_NO_SCTP
2135 if (protocol == IPPROTO_SCTP)
2136 sbio = BIO_new_dgram_sctp(sock, BIO_NOCLOSE);
2139 sbio = BIO_new_dgram(sock, BIO_NOCLOSE);
2141 if ((peer_info.addr = BIO_ADDR_new()) == NULL) {
2142 BIO_printf(bio_err, "memory allocation failure\n");
2143 BIO_closesocket(sock);
2146 if (!BIO_sock_info(sock, BIO_SOCK_INFO_ADDRESS, &peer_info)) {
2147 BIO_printf(bio_err, "getsockname:errno=%d\n",
2148 get_last_socket_error());
2149 BIO_ADDR_free(peer_info.addr);
2150 BIO_closesocket(sock);
2154 (void)BIO_ctrl_set_connected(sbio, peer_info.addr);
2155 BIO_ADDR_free(peer_info.addr);
2156 peer_info.addr = NULL;
2158 if (enable_timeouts) {
2160 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2161 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2164 timeout.tv_usec = DGRAM_SND_TIMEOUT;
2165 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2169 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
2170 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
2171 DTLS_get_link_min_mtu(con));
2175 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2176 if (!DTLS_set_link_mtu(con, socket_mtu)) {
2177 BIO_printf(bio_err, "Failed to set MTU\n");
2182 /* want to do MTU discovery */
2183 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2186 #endif /* OPENSSL_NO_DTLS */
2187 sbio = BIO_new_socket(sock, BIO_NOCLOSE);
2192 test = BIO_new(BIO_f_nbio_test());
2193 sbio = BIO_push(test, sbio);
2197 BIO_set_callback(sbio, bio_dump_callback);
2198 BIO_set_callback_arg(sbio, (char *)bio_c_out);
2201 #ifndef OPENSSL_NO_SSL_TRACE
2203 SSL_set_msg_callback(con, SSL_trace);
2206 SSL_set_msg_callback(con, msg_cb);
2207 SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out);
2210 if (c_tlsextdebug) {
2211 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2212 SSL_set_tlsext_debug_arg(con, bio_c_out);
2214 #ifndef OPENSSL_NO_OCSP
2216 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
2217 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
2218 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
2222 SSL_set_bio(con, sbio, sbio);
2223 SSL_set_connect_state(con);
2225 /* ok, lets connect */
2226 if (fileno_stdin() > SSL_get_fd(con))
2227 width = fileno_stdin() + 1;
2229 width = SSL_get_fd(con) + 1;
2242 switch ((PROTOCOL_CHOICE) starttls_proto) {
2249 * This is an ugly hack that does a lot of assumptions. We do
2250 * have to handle multi-line responses which may come in a single
2251 * packet or not. We therefore have to use BIO_gets() which does
2252 * need a buffering BIO. So during the initial chitchat we do
2253 * push a buffering BIO into the chain that is removed again
2254 * later on to not disturb the rest of the s_client operation.
2257 BIO *fbio = BIO_new(BIO_f_buffer());
2259 BIO_push(fbio, sbio);
2260 /* Wait for multi-line response to end from LMTP or SMTP */
2262 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2263 } while (mbuf_len > 3 && mbuf[3] == '-');
2264 if (protohost == NULL)
2265 protohost = "mail.example.com";
2266 if (starttls_proto == (int)PROTO_LMTP)
2267 BIO_printf(fbio, "LHLO %s\r\n", protohost);
2269 BIO_printf(fbio, "EHLO %s\r\n", protohost);
2270 (void)BIO_flush(fbio);
2272 * Wait for multi-line response to end LHLO LMTP or EHLO SMTP
2276 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2277 if (strstr(mbuf, "STARTTLS"))
2279 } while (mbuf_len > 3 && mbuf[3] == '-');
2280 (void)BIO_flush(fbio);
2285 "Didn't find STARTTLS in server response,"
2286 " trying anyway...\n");
2287 BIO_printf(sbio, "STARTTLS\r\n");
2288 BIO_read(sbio, sbuf, BUFSIZZ);
2293 BIO_read(sbio, mbuf, BUFSIZZ);
2294 BIO_printf(sbio, "STLS\r\n");
2295 mbuf_len = BIO_read(sbio, sbuf, BUFSIZZ);
2297 BIO_printf(bio_err, "BIO_read failed\n");
2305 BIO *fbio = BIO_new(BIO_f_buffer());
2307 BIO_push(fbio, sbio);
2308 BIO_gets(fbio, mbuf, BUFSIZZ);
2309 /* STARTTLS command requires CAPABILITY... */
2310 BIO_printf(fbio, ". CAPABILITY\r\n");
2311 (void)BIO_flush(fbio);
2312 /* wait for multi-line CAPABILITY response */
2314 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2315 if (strstr(mbuf, "STARTTLS"))
2318 while (mbuf_len > 3 && mbuf[0] != '.');
2319 (void)BIO_flush(fbio);
2324 "Didn't find STARTTLS in server response,"
2325 " trying anyway...\n");
2326 BIO_printf(sbio, ". STARTTLS\r\n");
2327 BIO_read(sbio, sbuf, BUFSIZZ);
2332 BIO *fbio = BIO_new(BIO_f_buffer());
2334 BIO_push(fbio, sbio);
2335 /* wait for multi-line response to end from FTP */
2337 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2339 while (mbuf_len > 3 && (!isdigit(mbuf[0]) || !isdigit(mbuf[1]) || !isdigit(mbuf[2]) || mbuf[3] != ' '));
2340 (void)BIO_flush(fbio);
2343 BIO_printf(sbio, "AUTH TLS\r\n");
2344 BIO_read(sbio, sbuf, BUFSIZZ);
2348 case PROTO_XMPP_SERVER:
2351 BIO_printf(sbio, "<stream:stream "
2352 "xmlns:stream='http://etherx.jabber.org/streams' "
2353 "xmlns='jabber:%s' to='%s' version='1.0'>",
2354 starttls_proto == PROTO_XMPP ? "client" : "server",
2355 protohost ? protohost : host);
2356 seen = BIO_read(sbio, mbuf, BUFSIZZ);
2358 BIO_printf(bio_err, "BIO_read failed\n");
2363 (mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")
2365 "<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\""))
2367 seen = BIO_read(sbio, mbuf, BUFSIZZ);
2375 "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
2376 seen = BIO_read(sbio, sbuf, BUFSIZZ);
2378 BIO_printf(bio_err, "BIO_read failed\n");
2382 if (!strstr(sbuf, "<proceed"))
2389 static const unsigned char tls_do[] = {
2390 /* IAC DO START_TLS */
2393 static const unsigned char tls_will[] = {
2394 /* IAC WILL START_TLS */
2397 static const unsigned char tls_follows[] = {
2398 /* IAC SB START_TLS FOLLOWS IAC SE */
2399 255, 250, 46, 1, 255, 240
2403 /* Telnet server should demand we issue START_TLS */
2404 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
2405 if (bytes != 3 || memcmp(mbuf, tls_do, 3) != 0)
2407 /* Agree to issue START_TLS and send the FOLLOWS sub-command */
2408 BIO_write(sbio, tls_will, 3);
2409 BIO_write(sbio, tls_follows, 6);
2410 (void)BIO_flush(sbio);
2411 /* Telnet server also sent the FOLLOWS sub-command */
2412 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
2413 if (bytes != 6 || memcmp(mbuf, tls_follows, 6) != 0)
2418 /* Here we must use the connect string target host & port */
2419 if (!OSSL_HTTP_proxy_connect(sbio, thost, tport, proxyuser, proxypass,
2420 0 /* no timeout */, bio_err, prog))
2426 BIO *fbio = BIO_new(BIO_f_buffer());
2428 BIO_push(fbio, sbio);
2429 BIO_printf(fbio, "STARTTLS\r\n");
2430 (void)BIO_flush(fbio);
2431 width = SSL_get_fd(con) + 1;
2437 openssl_fdset(SSL_get_fd(con), &readfds);
2438 timeout.tv_sec = S_CLIENT_IRC_READ_TIMEOUT;
2439 timeout.tv_usec = 0;
2441 * If the IRCd doesn't respond within
2442 * S_CLIENT_IRC_READ_TIMEOUT seconds, assume
2443 * it doesn't support STARTTLS. Many IRCds
2444 * will not give _any_ sort of response to a
2445 * STARTTLS command when it's not supported.
2447 if (!BIO_get_buffer_num_lines(fbio)
2448 && !BIO_pending(fbio)
2449 && !BIO_pending(sbio)
2450 && select(width, (void *)&readfds, NULL, NULL,
2453 "Timeout waiting for response (%d seconds).\n",
2454 S_CLIENT_IRC_READ_TIMEOUT);
2458 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2459 if (mbuf_len < 1 || sscanf(mbuf, "%*s %d", &numeric) != 1)
2461 /* :example.net 451 STARTTLS :You have not registered */
2462 /* :example.net 421 STARTTLS :Unknown command */
2463 if ((numeric == 451 || numeric == 421)
2464 && strstr(mbuf, "STARTTLS") != NULL) {
2465 BIO_printf(bio_err, "STARTTLS not supported: %s", mbuf);
2468 if (numeric == 691) {
2469 BIO_printf(bio_err, "STARTTLS negotiation failed: ");
2470 ERR_print_errors(bio_err);
2473 } while (numeric != 670);
2475 (void)BIO_flush(fbio);
2478 if (numeric != 670) {
2479 BIO_printf(bio_err, "Server does not support STARTTLS.\n");
2487 /* SSL request packet */
2488 static const unsigned char ssl_req[] = {
2489 /* payload_length, sequence_id */
2490 0x20, 0x00, 0x00, 0x01,
2492 /* capability flags, CLIENT_SSL always set */
2493 0x85, 0xae, 0x7f, 0x00,
2494 /* max-packet size */
2495 0x00, 0x00, 0x00, 0x01,
2498 /* string[23] reserved (all [0]) */
2499 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
2500 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
2501 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
2504 int ssl_flg = 0x800;
2506 const unsigned char *packet = (const unsigned char *)sbuf;
2508 /* Receiving Initial Handshake packet. */
2509 bytes = BIO_read(sbio, (void *)packet, BUFSIZZ);
2511 BIO_printf(bio_err, "BIO_read failed\n");
2513 /* Packet length[3], Packet number[1] + minimum payload[17] */
2514 } else if (bytes < 21) {
2515 BIO_printf(bio_err, "MySQL packet too short.\n");
2517 } else if (bytes != (4 + packet[0] +
2519 (packet[2] << 16))) {
2520 BIO_printf(bio_err, "MySQL packet length does not match.\n");
2522 /* protocol version[1] */
2523 } else if (packet[4] != 0xA) {
2525 "Only MySQL protocol version 10 is supported.\n");
2530 /* server version[string+NULL] */
2533 BIO_printf(bio_err, "Cannot confirm server version. ");
2535 } else if (packet[pos++] == '\0') {
2540 /* make sure we have at least 15 bytes left in the packet */
2541 if (pos + 15 > bytes) {
2543 "MySQL server handshake packet is broken.\n");
2547 pos += 12; /* skip over conn id[4] + SALT[8] */
2548 if (packet[pos++] != '\0') { /* verify filler */
2550 "MySQL packet is broken.\n");
2554 /* capability flags[2] */
2555 if (!((packet[pos] + (packet[pos + 1] << 8)) & ssl_flg)) {
2556 BIO_printf(bio_err, "MySQL server does not support SSL.\n");
2560 /* Sending SSL Handshake packet. */
2561 BIO_write(sbio, ssl_req, sizeof(ssl_req));
2562 (void)BIO_flush(sbio);
2565 case PROTO_POSTGRES:
2567 static const unsigned char ssl_request[] = {
2568 /* Length SSLRequest */
2569 0, 0, 0, 8, 4, 210, 22, 47
2573 /* Send SSLRequest packet */
2574 BIO_write(sbio, ssl_request, 8);
2575 (void)BIO_flush(sbio);
2577 /* Reply will be a single S if SSL is enabled */
2578 bytes = BIO_read(sbio, sbuf, BUFSIZZ);
2579 if (bytes != 1 || sbuf[0] != 'S')
2586 BIO *fbio = BIO_new(BIO_f_buffer());
2588 BIO_push(fbio, sbio);
2589 BIO_gets(fbio, mbuf, BUFSIZZ);
2590 /* STARTTLS command requires CAPABILITIES... */
2591 BIO_printf(fbio, "CAPABILITIES\r\n");
2592 (void)BIO_flush(fbio);
2593 BIO_gets(fbio, mbuf, BUFSIZZ);
2594 /* no point in trying to parse the CAPABILITIES response if there is none */
2595 if (strstr(mbuf, "101") != NULL) {
2596 /* wait for multi-line CAPABILITIES response */
2598 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2599 if (strstr(mbuf, "STARTTLS"))
2601 } while (mbuf_len > 1 && mbuf[0] != '.');
2603 (void)BIO_flush(fbio);
2608 "Didn't find STARTTLS in server response,"
2609 " trying anyway...\n");
2610 BIO_printf(sbio, "STARTTLS\r\n");
2611 mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ);
2613 BIO_printf(bio_err, "BIO_read failed\n");
2616 mbuf[mbuf_len] = '\0';
2617 if (strstr(mbuf, "382") == NULL) {
2618 BIO_printf(bio_err, "STARTTLS failed: %s", mbuf);
2626 BIO *fbio = BIO_new(BIO_f_buffer());
2628 BIO_push(fbio, sbio);
2629 /* wait for multi-line response to end from Sieve */
2631 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2633 * According to RFC 5804 § 1.7, capability
2634 * is case-insensitive, make it uppercase
2636 if (mbuf_len > 1 && mbuf[0] == '"') {
2637 make_uppercase(mbuf);
2638 if (strncmp(mbuf, "\"STARTTLS\"", 10) == 0)
2641 } while (mbuf_len > 1 && mbuf[0] == '"');
2642 (void)BIO_flush(fbio);
2647 "Didn't find STARTTLS in server response,"
2648 " trying anyway...\n");
2649 BIO_printf(sbio, "STARTTLS\r\n");
2650 mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ);
2652 BIO_printf(bio_err, "BIO_read failed\n");
2655 mbuf[mbuf_len] = '\0';
2657 BIO_printf(bio_err, "STARTTLS failed: %s", mbuf);
2661 * According to RFC 5804 § 2.2, response codes are case-
2662 * insensitive, make it uppercase but preserve the response.
2664 strncpy(sbuf, mbuf, 2);
2665 make_uppercase(sbuf);
2666 if (strncmp(sbuf, "OK", 2) != 0) {
2667 BIO_printf(bio_err, "STARTTLS not supported: %s", mbuf);
2674 /* StartTLS Operation according to RFC 4511 */
2675 static char ldap_tls_genconf[] = "asn1=SEQUENCE:LDAPMessage\n"
2677 "messageID=INTEGER:1\n"
2678 "extendedReq=EXPLICIT:23A,IMPLICIT:0C,"
2679 "FORMAT:ASCII,OCT:1.3.6.1.4.1.1466.20037\n";
2681 char *genstr = NULL;
2683 ASN1_TYPE *atyp = NULL;
2684 BIO *ldapbio = BIO_new(BIO_s_mem());
2685 CONF *cnf = NCONF_new(NULL);
2691 BIO_puts(ldapbio, ldap_tls_genconf);
2692 if (NCONF_load_bio(cnf, ldapbio, &errline) <= 0) {
2696 BIO_printf(bio_err, "NCONF_load_bio failed\n");
2699 BIO_printf(bio_err, "Error on line %ld\n", errline);
2704 genstr = NCONF_get_string(cnf, "default", "asn1");
2705 if (genstr == NULL) {
2707 BIO_printf(bio_err, "NCONF_get_string failed\n");
2710 atyp = ASN1_generate_nconf(genstr, cnf);
2713 BIO_printf(bio_err, "ASN1_generate_nconf failed\n");
2718 /* Send SSLRequest packet */
2719 BIO_write(sbio, atyp->value.sequence->data,
2720 atyp->value.sequence->length);
2721 (void)BIO_flush(sbio);
2722 ASN1_TYPE_free(atyp);
2724 mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ);
2726 BIO_printf(bio_err, "BIO_read failed\n");
2729 result = ldap_ExtendedResponse_parse(mbuf, mbuf_len);
2731 BIO_printf(bio_err, "ldap_ExtendedResponse_parse failed\n");
2733 } else if (result > 0) {
2734 BIO_printf(bio_err, "STARTTLS failed, LDAP Result Code: %i\n",
2743 if (early_data_file != NULL
2744 && ((SSL_get0_session(con) != NULL
2745 && SSL_SESSION_get_max_early_data(SSL_get0_session(con)) > 0)
2747 && SSL_SESSION_get_max_early_data(psksess) > 0))) {
2748 BIO *edfile = BIO_new_file(early_data_file, "r");
2749 size_t readbytes, writtenbytes;
2752 if (edfile == NULL) {
2753 BIO_printf(bio_err, "Cannot open early data file\n");
2758 if (!BIO_read_ex(edfile, cbuf, BUFSIZZ, &readbytes))
2761 while (!SSL_write_early_data(con, cbuf, readbytes, &writtenbytes)) {
2762 switch (SSL_get_error(con, 0)) {
2763 case SSL_ERROR_WANT_WRITE:
2764 case SSL_ERROR_WANT_ASYNC:
2765 case SSL_ERROR_WANT_READ:
2766 /* Just keep trying - busy waiting */
2769 BIO_printf(bio_err, "Error writing early data\n");
2771 ERR_print_errors(bio_err);
2784 if (SSL_is_dtls(con) && DTLSv1_get_timeout(con, &timeout))
2785 timeoutp = &timeout;
2789 if (!SSL_is_init_finished(con) && SSL_total_renegotiations(con) == 0
2790 && SSL_get_key_update_type(con) == SSL_KEY_UPDATE_NONE) {
2799 BIO_puts(bio_err, "CONNECTION ESTABLISHED\n");
2800 print_ssl_summary(con);
2803 print_stuff(bio_c_out, con, full_log);
2807 if (starttls_proto) {
2808 BIO_write(bio_err, mbuf, mbuf_len);
2809 /* We don't need to know any more */
2811 starttls_proto = PROTO_OFF;
2816 BIO_printf(bio_c_out,
2817 "drop connection and then reconnect\n");
2818 do_ssl_shutdown(con);
2819 SSL_set_connect_state(con);
2820 BIO_closesocket(SSL_get_fd(con));
2826 ssl_pending = read_ssl && SSL_has_pending(con);
2829 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
2832 * Note that select() returns when read _would not block_,
2833 * and EOF satisfies that. To avoid a CPU-hogging loop,
2834 * set the flag so we exit.
2836 if (read_tty && !at_eof)
2837 openssl_fdset(fileno_stdin(), &readfds);
2838 #if !defined(OPENSSL_SYS_VMS)
2840 openssl_fdset(fileno_stdout(), &writefds);
2844 openssl_fdset(SSL_get_fd(con), &readfds);
2846 openssl_fdset(SSL_get_fd(con), &writefds);
2848 if (!tty_on || !write_tty) {
2850 openssl_fdset(SSL_get_fd(con), &readfds);
2852 openssl_fdset(SSL_get_fd(con), &writefds);
2857 * Note: under VMS with SOCKETSHR the second parameter is
2858 * currently of type (int *) whereas under other systems it is
2859 * (void *) if you don't have a cast it will choke the compiler:
2860 * if you do have a cast then you can either go for (int *) or
2863 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2865 * Under Windows/DOS we make the assumption that we can always
2866 * write to the tty: therefore if we need to write to the tty we
2867 * just fall through. Otherwise we timeout the select every
2868 * second and see if there are any keypresses. Note: this is a
2869 * hack, in a proper Windows application we wouldn't do this.
2876 i = select(width, (void *)&readfds, (void *)&writefds,
2878 if (!i && (!has_stdin_waiting() || !read_tty))
2881 i = select(width, (void *)&readfds, (void *)&writefds,
2885 i = select(width, (void *)&readfds, (void *)&writefds,
2889 BIO_printf(bio_err, "bad select %d\n",
2890 get_last_socket_error());
2895 if (SSL_is_dtls(con) && DTLSv1_handle_timeout(con) > 0)
2896 BIO_printf(bio_err, "TIMEOUT occurred\n");
2898 if (!ssl_pending && FD_ISSET(SSL_get_fd(con), &writefds)) {
2899 k = SSL_write(con, &(cbuf[cbuf_off]), (unsigned int)cbuf_len);
2900 switch (SSL_get_error(con, k)) {
2901 case SSL_ERROR_NONE:
2906 /* we have done a write(con,NULL,0); */
2907 if (cbuf_len <= 0) {
2910 } else { /* if (cbuf_len > 0) */
2916 case SSL_ERROR_WANT_WRITE:
2917 BIO_printf(bio_c_out, "write W BLOCK\n");
2921 case SSL_ERROR_WANT_ASYNC:
2922 BIO_printf(bio_c_out, "write A BLOCK\n");
2923 wait_for_async(con);
2927 case SSL_ERROR_WANT_READ:
2928 BIO_printf(bio_c_out, "write R BLOCK\n");
2933 case SSL_ERROR_WANT_X509_LOOKUP:
2934 BIO_printf(bio_c_out, "write X BLOCK\n");
2936 case SSL_ERROR_ZERO_RETURN:
2937 if (cbuf_len != 0) {
2938 BIO_printf(bio_c_out, "shutdown\n");
2947 case SSL_ERROR_SYSCALL:
2948 if ((k != 0) || (cbuf_len != 0)) {
2949 BIO_printf(bio_err, "write:errno=%d\n",
2950 get_last_socket_error());
2957 case SSL_ERROR_WANT_ASYNC_JOB:
2958 /* This shouldn't ever happen in s_client - treat as an error */
2960 ERR_print_errors(bio_err);
2964 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_VMS)
2965 /* Assume Windows/DOS/BeOS can always write */
2966 else if (!ssl_pending && write_tty)
2968 else if (!ssl_pending && FD_ISSET(fileno_stdout(), &writefds))
2971 #ifdef CHARSET_EBCDIC
2972 ascii2ebcdic(&(sbuf[sbuf_off]), &(sbuf[sbuf_off]), sbuf_len);
2974 i = raw_write_stdout(&(sbuf[sbuf_off]), sbuf_len);
2977 BIO_printf(bio_c_out, "DONE\n");
2984 if (sbuf_len <= 0) {
2988 } else if (ssl_pending || FD_ISSET(SSL_get_fd(con), &readfds)) {
2993 SSL_renegotiate(con);
2998 k = SSL_read(con, sbuf, 1024 /* BUFSIZZ */ );
3000 switch (SSL_get_error(con, k)) {
3001 case SSL_ERROR_NONE:
3010 case SSL_ERROR_WANT_ASYNC:
3011 BIO_printf(bio_c_out, "read A BLOCK\n");
3012 wait_for_async(con);
3015 if ((read_tty == 0) && (write_ssl == 0))
3018 case SSL_ERROR_WANT_WRITE:
3019 BIO_printf(bio_c_out, "read W BLOCK\n");
3023 case SSL_ERROR_WANT_READ:
3024 BIO_printf(bio_c_out, "read R BLOCK\n");
3027 if ((read_tty == 0) && (write_ssl == 0))
3030 case SSL_ERROR_WANT_X509_LOOKUP:
3031 BIO_printf(bio_c_out, "read X BLOCK\n");
3033 case SSL_ERROR_SYSCALL:
3034 ret = get_last_socket_error();
3036 BIO_puts(bio_err, "CONNECTION CLOSED BY SERVER\n");
3038 BIO_printf(bio_err, "read:errno=%d\n", ret);
3040 case SSL_ERROR_ZERO_RETURN:
3041 BIO_printf(bio_c_out, "closed\n");
3044 case SSL_ERROR_WANT_ASYNC_JOB:
3045 /* This shouldn't ever happen in s_client. Treat as an error */
3047 ERR_print_errors(bio_err);
3051 /* OPENSSL_SYS_MSDOS includes OPENSSL_SYS_WINDOWS */
3052 #if defined(OPENSSL_SYS_MSDOS)
3053 else if (has_stdin_waiting())
3055 else if (FD_ISSET(fileno_stdin(), &readfds))
3061 i = raw_read_stdin(cbuf, BUFSIZZ / 2);
3063 /* both loops are skipped when i <= 0 */
3064 for (j = 0; j < i; j++)
3065 if (cbuf[j] == '\n')
3067 for (j = i - 1; j >= 0; j--) {
3068 cbuf[j + lf_num] = cbuf[j];
3069 if (cbuf[j] == '\n') {
3072 cbuf[j + lf_num] = '\r';
3075 assert(lf_num == 0);
3077 i = raw_read_stdin(cbuf, BUFSIZZ);
3078 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
3083 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q' && cmdletters))) {
3084 BIO_printf(bio_err, "DONE\n");
3089 if ((!c_ign_eof) && (cbuf[0] == 'R' && cmdletters)) {
3090 BIO_printf(bio_err, "RENEGOTIATING\n");
3091 SSL_renegotiate(con);
3093 } else if (!c_ign_eof && (cbuf[0] == 'K' || cbuf[0] == 'k' )
3095 BIO_printf(bio_err, "KEYUPDATE\n");
3097 cbuf[0] == 'K' ? SSL_KEY_UPDATE_REQUESTED
3098 : SSL_KEY_UPDATE_NOT_REQUESTED);
3103 #ifdef CHARSET_EBCDIC
3104 ebcdic2ascii(cbuf, cbuf, i);
3116 print_stuff(bio_c_out, con, full_log);
3117 do_ssl_shutdown(con);
3120 * If we ended with an alert being sent, but still with data in the
3121 * network buffer to be read, then calling BIO_closesocket() will
3122 * result in a TCP-RST being sent. On some platforms (notably
3123 * Windows) then this will result in the peer immediately abandoning
3124 * the connection including any buffered alert data before it has
3125 * had a chance to be read. Shutting down the sending side first,
3126 * and then closing the socket sends TCP-FIN first followed by
3127 * TCP-RST. This seems to allow the peer to read the alert data.
3129 shutdown(SSL_get_fd(con), 1); /* SHUT_WR */
3131 * We just said we have nothing else to say, but it doesn't mean that
3132 * the other side has nothing. It's even recommended to consume incoming
3133 * data. [In testing context this ensures that alerts are passed on...]
3136 timeout.tv_usec = 500000; /* some extreme round-trip */
3139 openssl_fdset(sock, &readfds);
3140 } while (select(sock + 1, &readfds, NULL, NULL, &timeout) > 0
3141 && BIO_read(sbio, sbuf, BUFSIZZ) > 0);
3143 BIO_closesocket(SSL_get_fd(con));
3147 print_stuff(bio_c_out, con, 1);
3150 SSL_SESSION_free(psksess);
3151 #if !defined(OPENSSL_NO_NEXTPROTONEG)
3152 OPENSSL_free(next_proto.data);
3155 set_keylog_file(NULL, NULL);
3157 sk_X509_CRL_pop_free(crls, X509_CRL_free);
3159 sk_X509_pop_free(chain, X509_free);
3161 #ifndef OPENSSL_NO_SRP
3162 OPENSSL_free(srp_arg.srppassin);
3164 OPENSSL_free(connectstr);
3165 OPENSSL_free(bindstr);
3168 OPENSSL_free(thost);
3169 OPENSSL_free(tport);
3170 X509_VERIFY_PARAM_free(vpm);
3171 ssl_excert_free(exc);
3172 sk_OPENSSL_STRING_free(ssl_args);
3173 sk_OPENSSL_STRING_free(dane_tlsa_rrset);
3174 SSL_CONF_CTX_free(cctx);
3175 OPENSSL_clear_free(cbuf, BUFSIZZ);
3176 OPENSSL_clear_free(sbuf, BUFSIZZ);
3177 OPENSSL_clear_free(mbuf, BUFSIZZ);
3178 clear_free(proxypass);
3180 BIO_free(bio_c_out);
3182 BIO_free(bio_c_msg);
3187 static void print_stuff(BIO *bio, SSL *s, int full)
3191 const SSL_CIPHER *c;
3192 EVP_PKEY *public_key;
3193 int i, istls13 = (SSL_version(s) == TLS1_3_VERSION);
3195 #ifndef OPENSSL_NO_COMP
3196 const COMP_METHOD *comp, *expansion;
3198 unsigned char *exportedkeymat;
3199 #ifndef OPENSSL_NO_CT
3200 const SSL_CTX *ctx = SSL_get_SSL_CTX(s);
3204 int got_a_chain = 0;
3206 sk = SSL_get_peer_cert_chain(s);
3210 BIO_printf(bio, "---\nCertificate chain\n");
3211 for (i = 0; i < sk_X509_num(sk); i++) {
3212 BIO_printf(bio, "%2d s:", i);
3213 X509_NAME_print_ex(bio, X509_get_subject_name(sk_X509_value(sk, i)), 0, get_nameopt());
3214 BIO_puts(bio, "\n");
3215 BIO_printf(bio, " i:");
3216 X509_NAME_print_ex(bio, X509_get_issuer_name(sk_X509_value(sk, i)), 0, get_nameopt());
3217 BIO_puts(bio, "\n");
3218 public_key = X509_get_pubkey(sk_X509_value(sk, i));
3219 if (public_key != NULL) {
3220 BIO_printf(bio, " a:PKEY: %s, %d (bit); sigalg: %s\n",
3221 OBJ_nid2sn(EVP_PKEY_base_id(public_key)),
3222 EVP_PKEY_bits(public_key),
3223 OBJ_nid2sn(X509_get_signature_nid(sk_X509_value(sk, i))));
3224 EVP_PKEY_free(public_key);
3226 BIO_printf(bio, " v:NotBefore: ");
3227 ASN1_TIME_print(bio, X509_get0_notBefore(sk_X509_value(sk, i)));
3228 BIO_printf(bio, "; NotAfter: ");
3229 ASN1_TIME_print(bio, X509_get0_notAfter(sk_X509_value(sk, i)));
3230 BIO_puts(bio, "\n");
3232 PEM_write_bio_X509(bio, sk_X509_value(sk, i));
3236 BIO_printf(bio, "---\n");
3237 peer = SSL_get0_peer_certificate(s);
3239 BIO_printf(bio, "Server certificate\n");
3241 /* Redundant if we showed the whole chain */
3242 if (!(c_showcerts && got_a_chain))
3243 PEM_write_bio_X509(bio, peer);
3244 dump_cert_text(bio, peer);
3246 BIO_printf(bio, "no peer certificate available\n");
3248 print_ca_names(bio, s);
3250 ssl_print_sigalgs(bio, s);
3251 ssl_print_tmp_key(bio, s);
3253 #ifndef OPENSSL_NO_CT
3255 * When the SSL session is anonymous, or resumed via an abbreviated
3256 * handshake, no SCTs are provided as part of the handshake. While in
3257 * a resumed session SCTs may be present in the session's certificate,
3258 * no callbacks are invoked to revalidate these, and in any case that
3259 * set of SCTs may be incomplete. Thus it makes little sense to
3260 * attempt to display SCTs from a resumed session's certificate, and of
3261 * course none are associated with an anonymous peer.
3263 if (peer != NULL && !SSL_session_reused(s) && SSL_ct_is_enabled(s)) {
3264 const STACK_OF(SCT) *scts = SSL_get0_peer_scts(s);
3265 int sct_count = scts != NULL ? sk_SCT_num(scts) : 0;
3267 BIO_printf(bio, "---\nSCTs present (%i)\n", sct_count);
3268 if (sct_count > 0) {
3269 const CTLOG_STORE *log_store = SSL_CTX_get0_ctlog_store(ctx);
3271 BIO_printf(bio, "---\n");
3272 for (i = 0; i < sct_count; ++i) {
3273 SCT *sct = sk_SCT_value(scts, i);
3275 BIO_printf(bio, "SCT validation status: %s\n",
3276 SCT_validation_status_string(sct));
3277 SCT_print(sct, bio, 0, log_store);
3278 if (i < sct_count - 1)
3279 BIO_printf(bio, "\n---\n");
3281 BIO_printf(bio, "\n");
3287 "---\nSSL handshake has read %ju bytes "
3288 "and written %ju bytes\n",
3289 BIO_number_read(SSL_get_rbio(s)),
3290 BIO_number_written(SSL_get_wbio(s)));
3292 print_verify_detail(s, bio);
3293 BIO_printf(bio, (SSL_session_reused(s) ? "---\nReused, " : "---\nNew, "));
3294 c = SSL_get_current_cipher(s);
3295 BIO_printf(bio, "%s, Cipher is %s\n",
3296 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
3300 pktmp = X509_get0_pubkey(peer);
3301 BIO_printf(bio, "Server public key is %d bit\n",
3302 EVP_PKEY_bits(pktmp));
3304 BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
3305 SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
3306 #ifndef OPENSSL_NO_COMP
3307 comp = SSL_get_current_compression(s);
3308 expansion = SSL_get_current_expansion(s);
3309 BIO_printf(bio, "Compression: %s\n",
3310 comp ? SSL_COMP_get_name(comp) : "NONE");
3311 BIO_printf(bio, "Expansion: %s\n",
3312 expansion ? SSL_COMP_get_name(expansion) : "NONE");
3314 #ifndef OPENSSL_NO_KTLS
3315 if (BIO_get_ktls_send(SSL_get_wbio(s)))
3316 BIO_printf(bio_err, "Using Kernel TLS for sending\n");
3317 if (BIO_get_ktls_recv(SSL_get_rbio(s)))
3318 BIO_printf(bio_err, "Using Kernel TLS for receiving\n");
3321 if (OSSL_TRACE_ENABLED(TLS)) {
3322 /* Print out local port of connection: useful for debugging */
3324 union BIO_sock_info_u info;
3326 sock = SSL_get_fd(s);
3327 if ((info.addr = BIO_ADDR_new()) != NULL
3328 && BIO_sock_info(sock, BIO_SOCK_INFO_ADDRESS, &info)) {
3329 BIO_printf(bio_c_out, "LOCAL PORT is %u\n",
3330 ntohs(BIO_ADDR_rawport(info.addr)));
3332 BIO_ADDR_free(info.addr);
3335 #if !defined(OPENSSL_NO_NEXTPROTONEG)
3336 if (next_proto.status != -1) {
3337 const unsigned char *proto;
3338 unsigned int proto_len;
3339 SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
3340 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
3341 BIO_write(bio, proto, proto_len);
3342 BIO_write(bio, "\n", 1);
3346 const unsigned char *proto;
3347 unsigned int proto_len;
3348 SSL_get0_alpn_selected(s, &proto, &proto_len);
3349 if (proto_len > 0) {
3350 BIO_printf(bio, "ALPN protocol: ");
3351 BIO_write(bio, proto, proto_len);
3352 BIO_write(bio, "\n", 1);
3354 BIO_printf(bio, "No ALPN negotiated\n");
3357 #ifndef OPENSSL_NO_SRTP
3359 SRTP_PROTECTION_PROFILE *srtp_profile =
3360 SSL_get_selected_srtp_profile(s);
3363 BIO_printf(bio, "SRTP Extension negotiated, profile=%s\n",
3364 srtp_profile->name);
3369 switch (SSL_get_early_data_status(s)) {
3370 case SSL_EARLY_DATA_NOT_SENT:
3371 BIO_printf(bio, "Early data was not sent\n");
3374 case SSL_EARLY_DATA_REJECTED:
3375 BIO_printf(bio, "Early data was rejected\n");
3378 case SSL_EARLY_DATA_ACCEPTED:
3379 BIO_printf(bio, "Early data was accepted\n");
3385 * We also print the verify results when we dump session information,
3386 * but in TLSv1.3 we may not get that right away (or at all) depending
3387 * on when we get a NewSessionTicket. Therefore we print it now as well.
3389 verify_result = SSL_get_verify_result(s);
3390 BIO_printf(bio, "Verify return code: %ld (%s)\n", verify_result,
3391 X509_verify_cert_error_string(verify_result));
3393 /* In TLSv1.3 we do this on arrival of a NewSessionTicket */
3394 SSL_SESSION_print(bio, SSL_get_session(s));
3397 if (SSL_get_session(s) != NULL && keymatexportlabel != NULL) {
3398 BIO_printf(bio, "Keying material exporter:\n");
3399 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel);
3400 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen);
3401 exportedkeymat = app_malloc(keymatexportlen, "export key");
3402 if (!SSL_export_keying_material(s, exportedkeymat,
3405 strlen(keymatexportlabel),
3407 BIO_printf(bio, " Error\n");
3409 BIO_printf(bio, " Keying material: ");
3410 for (i = 0; i < keymatexportlen; i++)
3411 BIO_printf(bio, "%02X", exportedkeymat[i]);
3412 BIO_printf(bio, "\n");
3414 OPENSSL_free(exportedkeymat);
3416 BIO_printf(bio, "---\n");
3417 /* flush, or debugging output gets mixed with http response */
3418 (void)BIO_flush(bio);
3421 # ifndef OPENSSL_NO_OCSP
3422 static int ocsp_resp_cb(SSL *s, void *arg)
3424 const unsigned char *p;
3427 len = SSL_get_tlsext_status_ocsp_resp(s, &p);
3428 BIO_puts(arg, "OCSP response: ");
3430 BIO_puts(arg, "no response sent\n");
3433 rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
3435 BIO_puts(arg, "response parse error\n");
3436 BIO_dump_indent(arg, (char *)p, len, 4);
3439 BIO_puts(arg, "\n======================================\n");
3440 OCSP_RESPONSE_print(arg, rsp, 0);
3441 BIO_puts(arg, "======================================\n");
3442 OCSP_RESPONSE_free(rsp);
3447 static int ldap_ExtendedResponse_parse(const char *buf, long rem)
3449 const unsigned char *cur, *end;
3451 int tag, xclass, inf, ret = -1;
3453 cur = (const unsigned char *)buf;
3459 * LDAPMessage ::= SEQUENCE {
3460 * messageID MessageID,
3461 * protocolOp CHOICE {
3463 * extendedResp ExtendedResponse,
3465 * controls [0] Controls OPTIONAL }
3467 * ExtendedResponse ::= [APPLICATION 24] SEQUENCE {
3468 * COMPONENTS OF LDAPResult,
3469 * responseName [10] LDAPOID OPTIONAL,
3470 * responseValue [11] OCTET STRING OPTIONAL }
3472 * LDAPResult ::= SEQUENCE {
3473 * resultCode ENUMERATED {
3479 * diagnosticMessage LDAPString,
3480 * referral [3] Referral OPTIONAL }
3484 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3485 if (inf != V_ASN1_CONSTRUCTED || tag != V_ASN1_SEQUENCE ||
3486 (rem = end - cur, len > rem)) {
3487 BIO_printf(bio_err, "Unexpected LDAP response\n");
3491 rem = len; /* ensure that we don't overstep the SEQUENCE */
3493 /* pull MessageID */
3494 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3495 if (inf != V_ASN1_UNIVERSAL || tag != V_ASN1_INTEGER ||
3496 (rem = end - cur, len > rem)) {
3497 BIO_printf(bio_err, "No MessageID\n");
3501 cur += len; /* shall we check for MessageId match or just skip? */
3503 /* pull [APPLICATION 24] */
3505 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3506 if (inf != V_ASN1_CONSTRUCTED || xclass != V_ASN1_APPLICATION ||
3508 BIO_printf(bio_err, "Not ExtendedResponse\n");
3512 /* pull resultCode */
3514 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3515 if (inf != V_ASN1_UNIVERSAL || tag != V_ASN1_ENUMERATED || len == 0 ||
3516 (rem = end - cur, len > rem)) {
3517 BIO_printf(bio_err, "Not LDAPResult\n");
3521 /* len should always be one, but just in case... */
3522 for (ret = 0, inf = 0; inf < len; inf++) {
3526 /* There is more data, but we don't care... */
3532 * Host dNS Name verifier: used for checking that the hostname is in dNS format
3533 * before setting it as SNI
3535 static int is_dNS_name(const char *host)
3537 const size_t MAX_LABEL_LENGTH = 63;
3540 size_t length = strlen(host);
3541 size_t label_length = 0;
3542 int all_numeric = 1;
3545 * Deviation from strict DNS name syntax, also check names with '_'
3546 * Check DNS name syntax, any '-' or '.' must be internal,
3547 * and on either side of each '.' we can't have a '-' or '.'.
3549 * If the name has just one label, we don't consider it a DNS name.
3551 for (i = 0; i < length && label_length < MAX_LABEL_LENGTH; ++i) {
3554 if ((c >= 'a' && c <= 'z')
3555 || (c >= 'A' && c <= 'Z')
3562 if (c >= '0' && c <= '9') {
3567 /* Dot and hyphen cannot be first or last. */
3568 if (i > 0 && i < length - 1) {
3574 * Next to a dot the preceding and following characters must not be
3575 * another dot or a hyphen. Otherwise, record that the name is
3576 * plausible, since it has two or more labels.
3579 && host[i + 1] != '.'
3580 && host[i - 1] != '-'
3581 && host[i + 1] != '-') {
3591 /* dNS name must not be all numeric and labels must be shorter than 64 characters. */
3592 isdnsname &= !all_numeric && !(label_length == MAX_LABEL_LENGTH);
3596 #endif /* OPENSSL_NO_SOCK */