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>
44 # include <openssl/ct.h>
48 #include "internal/sockets.h"
50 #if defined(__has_feature)
51 # if __has_feature(memory_sanitizer)
52 # include <sanitizer/msan_interface.h>
57 #define BUFSIZZ 1024*8
58 #define S_CLIENT_IRC_READ_TIMEOUT 8
61 static int c_debug = 0;
62 static int c_showcerts = 0;
63 static char *keymatexportlabel = NULL;
64 static int keymatexportlen = 20;
65 static BIO *bio_c_out = NULL;
66 static int c_quiet = 0;
67 static char *sess_out = NULL;
68 static SSL_SESSION *psksess = NULL;
70 static void print_stuff(BIO *berr, SSL *con, int full);
71 #ifndef OPENSSL_NO_OCSP
72 static int ocsp_resp_cb(SSL *s, void *arg);
74 static int ldap_ExtendedResponse_parse(const char *buf, long rem);
75 static int is_dNS_name(const char *host);
77 static int saved_errno;
79 static void save_errno(void)
85 static int restore_errno(void)
92 /* Default PSK identity and key */
93 static char *psk_identity = "Client_identity";
95 #ifndef OPENSSL_NO_PSK
96 static unsigned int psk_client_cb(SSL *ssl, const char *hint, char *identity,
97 unsigned int max_identity_len,
99 unsigned int max_psk_len)
106 BIO_printf(bio_c_out, "psk_client_cb\n");
108 /* no ServerKeyExchange message */
110 BIO_printf(bio_c_out,
111 "NULL received PSK identity hint, continuing anyway\n");
112 } else if (c_debug) {
113 BIO_printf(bio_c_out, "Received PSK identity hint '%s'\n", hint);
117 * lookup PSK identity and PSK key based on the given identity hint here
119 ret = BIO_snprintf(identity, max_identity_len, "%s", psk_identity);
120 if (ret < 0 || (unsigned int)ret > max_identity_len)
123 BIO_printf(bio_c_out, "created identity '%s' len=%d\n", identity,
126 /* convert the PSK key to binary */
127 key = OPENSSL_hexstr2buf(psk_key, &key_len);
129 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n",
133 if (max_psk_len > INT_MAX || key_len > (long)max_psk_len) {
135 "psk buffer of callback is too small (%d) for key (%ld)\n",
136 max_psk_len, key_len);
141 memcpy(psk, key, key_len);
145 BIO_printf(bio_c_out, "created PSK len=%ld\n", key_len);
150 BIO_printf(bio_err, "Error in PSK client callback\n");
155 const unsigned char tls13_aes128gcmsha256_id[] = { 0x13, 0x01 };
156 const unsigned char tls13_aes256gcmsha384_id[] = { 0x13, 0x02 };
158 static int psk_use_session_cb(SSL *s, const EVP_MD *md,
159 const unsigned char **id, size_t *idlen,
162 SSL_SESSION *usesess = NULL;
163 const SSL_CIPHER *cipher = NULL;
165 if (psksess != NULL) {
166 SSL_SESSION_up_ref(psksess);
170 unsigned char *key = OPENSSL_hexstr2buf(psk_key, &key_len);
173 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n",
178 /* We default to SHA-256 */
179 cipher = SSL_CIPHER_find(s, tls13_aes128gcmsha256_id);
180 if (cipher == NULL) {
181 BIO_printf(bio_err, "Error finding suitable ciphersuite\n");
186 usesess = SSL_SESSION_new();
188 || !SSL_SESSION_set1_master_key(usesess, key, key_len)
189 || !SSL_SESSION_set_cipher(usesess, cipher)
190 || !SSL_SESSION_set_protocol_version(usesess, TLS1_3_VERSION)) {
197 cipher = SSL_SESSION_get0_cipher(usesess);
201 if (md != NULL && SSL_CIPHER_get_handshake_digest(cipher) != md) {
202 /* PSK not usable, ignore it */
206 SSL_SESSION_free(usesess);
209 *id = (unsigned char *)psk_identity;
210 *idlen = strlen(psk_identity);
216 SSL_SESSION_free(usesess);
220 /* This is a context that we pass to callbacks */
221 typedef struct tlsextctx_st {
226 static int ssl_servername_cb(SSL *s, int *ad, void *arg)
228 tlsextctx *p = (tlsextctx *) arg;
229 const char *hn = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
230 if (SSL_get_servername_type(s) != -1)
231 p->ack = !SSL_session_reused(s) && hn != NULL;
233 BIO_printf(bio_err, "Can't use SSL_get_servername\n");
235 return SSL_TLSEXT_ERR_OK;
238 #ifndef OPENSSL_NO_NEXTPROTONEG
239 /* This the context that we pass to next_proto_cb */
240 typedef struct tlsextnextprotoctx_st {
244 } tlsextnextprotoctx;
246 static tlsextnextprotoctx next_proto;
248 static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen,
249 const unsigned char *in, unsigned int inlen,
252 tlsextnextprotoctx *ctx = arg;
255 /* We can assume that |in| is syntactically valid. */
257 BIO_printf(bio_c_out, "Protocols advertised by server: ");
258 for (i = 0; i < inlen;) {
260 BIO_write(bio_c_out, ", ", 2);
261 BIO_write(bio_c_out, &in[i + 1], in[i]);
264 BIO_write(bio_c_out, "\n", 1);
268 SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len);
269 return SSL_TLSEXT_ERR_OK;
271 #endif /* ndef OPENSSL_NO_NEXTPROTONEG */
273 static int serverinfo_cli_parse_cb(SSL *s, unsigned int ext_type,
274 const unsigned char *in, size_t inlen,
278 unsigned char ext_buf[4 + 65536];
280 /* Reconstruct the type/len fields prior to extension data */
281 inlen &= 0xffff; /* for formal memcmpy correctness */
282 ext_buf[0] = (unsigned char)(ext_type >> 8);
283 ext_buf[1] = (unsigned char)(ext_type);
284 ext_buf[2] = (unsigned char)(inlen >> 8);
285 ext_buf[3] = (unsigned char)(inlen);
286 memcpy(ext_buf + 4, in, inlen);
288 BIO_snprintf(pem_name, sizeof(pem_name), "SERVERINFO FOR EXTENSION %d",
290 PEM_write_bio(bio_c_out, pem_name, "", ext_buf, 4 + inlen);
295 * Hex decoder that tolerates optional whitespace. Returns number of bytes
296 * produced, advances inptr to end of input string.
298 static ossl_ssize_t hexdecode(const char **inptr, void *result)
300 unsigned char **out = (unsigned char **)result;
301 const char *in = *inptr;
302 unsigned char *ret = app_malloc(strlen(in) / 2, "hexdecode");
303 unsigned char *cp = ret;
310 for (byte = 0; *in; ++in) {
313 if (isspace(_UC(*in)))
315 x = OPENSSL_hexchar2int(*in);
321 if ((nibble ^= 1) == 0) {
334 return cp - (*out = ret);
338 * Decode unsigned 0..255, returns 1 on success, <= 0 on failure. Advances
339 * inptr to next field skipping leading whitespace.
341 static ossl_ssize_t checked_uint8(const char **inptr, void *out)
343 uint8_t *result = (uint8_t *)out;
344 const char *in = *inptr;
350 v = strtol(in, &endp, 10);
353 if (((v == LONG_MIN || v == LONG_MAX) && e == ERANGE) ||
354 endp == in || !isspace(_UC(*endp)) ||
355 v != (*result = (uint8_t) v)) {
358 for (in = endp; isspace(_UC(*in)); ++in)
368 ossl_ssize_t (*parser)(const char **, void *);
371 static int tlsa_import_rr(SSL *con, const char *rrdata)
373 /* Not necessary to re-init these values; the "parsers" do that. */
374 static uint8_t usage;
375 static uint8_t selector;
376 static uint8_t mtype;
377 static unsigned char *data;
378 static struct tlsa_field tlsa_fields[] = {
379 { &usage, "usage", checked_uint8 },
380 { &selector, "selector", checked_uint8 },
381 { &mtype, "mtype", checked_uint8 },
382 { &data, "data", hexdecode },
385 struct tlsa_field *f;
387 const char *cp = rrdata;
388 ossl_ssize_t len = 0;
390 for (f = tlsa_fields; f->var; ++f) {
391 /* Returns number of bytes produced, advances cp to next field */
392 if ((len = f->parser(&cp, f->var)) <= 0) {
393 BIO_printf(bio_err, "%s: warning: bad TLSA %s field in: %s\n",
394 prog, f->name, rrdata);
398 /* The data field is last, so len is its length */
399 ret = SSL_dane_tlsa_add(con, usage, selector, mtype, data, len);
403 ERR_print_errors(bio_err);
404 BIO_printf(bio_err, "%s: warning: unusable TLSA rrdata: %s\n",
409 ERR_print_errors(bio_err);
410 BIO_printf(bio_err, "%s: warning: error loading TLSA rrdata: %s\n",
417 static int tlsa_import_rrset(SSL *con, STACK_OF(OPENSSL_STRING) *rrset)
419 int num = sk_OPENSSL_STRING_num(rrset);
423 for (i = 0; i < num; ++i) {
424 char *rrdata = sk_OPENSSL_STRING_value(rrset, i);
425 if (tlsa_import_rr(con, rrdata) > 0)
431 typedef enum OPTION_choice {
433 OPT_4, OPT_6, OPT_HOST, OPT_PORT, OPT_CONNECT, OPT_BIND, OPT_UNIX,
434 OPT_XMPPHOST, OPT_VERIFY, OPT_NAMEOPT,
435 OPT_CERT, OPT_CRL, OPT_CRL_DOWNLOAD, OPT_SESS_OUT, OPT_SESS_IN,
436 OPT_CERTFORM, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET,
437 OPT_BRIEF, OPT_PREXIT, OPT_CRLF, OPT_QUIET, OPT_NBIO,
438 OPT_SSL_CLIENT_ENGINE, OPT_IGN_EOF, OPT_NO_IGN_EOF,
439 OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_WDEBUG,
440 OPT_MSG, OPT_MSGFILE, OPT_ENGINE, OPT_TRACE, OPT_SECURITY_DEBUG,
441 OPT_SECURITY_DEBUG_VERBOSE, OPT_SHOWCERTS, OPT_NBIO_TEST, OPT_STATE,
442 OPT_PSK_IDENTITY, OPT_PSK, OPT_PSK_SESS,
443 #ifndef OPENSSL_NO_SRP
444 OPT_SRPUSER, OPT_SRPPASS, OPT_SRP_STRENGTH, OPT_SRP_LATEUSER,
447 OPT_SSL3, OPT_SSL_CONFIG,
448 OPT_TLS1_3, OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1,
449 OPT_DTLS1_2, OPT_SCTP, OPT_TIMEOUT, OPT_MTU, OPT_KEYFORM, OPT_PASS,
450 OPT_CERT_CHAIN, OPT_KEY, OPT_RECONNECT, OPT_BUILD_CHAIN,
451 OPT_NEXTPROTONEG, OPT_ALPN,
452 OPT_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH,
453 OPT_CAFILE, OPT_NOCAFILE, OPT_CHAINCAFILE, OPT_VERIFYCAFILE,
454 OPT_CASTORE, OPT_NOCASTORE, OPT_CHAINCASTORE, OPT_VERIFYCASTORE,
455 OPT_SERVERINFO, OPT_STARTTLS, OPT_SERVERNAME, OPT_NOSERVERNAME, OPT_ASYNC,
456 OPT_USE_SRTP, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN, OPT_PROTOHOST,
457 OPT_MAXFRAGLEN, OPT_MAX_SEND_FRAG, OPT_SPLIT_SEND_FRAG, OPT_MAX_PIPELINES,
458 OPT_READ_BUF, OPT_KEYLOG_FILE, OPT_EARLY_DATA, OPT_REQCAFILE,
461 OPT_S_ENUM, OPT_IGNORE_UNEXPECTED_EOF,
462 OPT_FALLBACKSCSV, OPT_NOCMDS, OPT_PROXY, OPT_PROXY_USER, OPT_PROXY_PASS,
463 OPT_DANE_TLSA_DOMAIN,
464 #ifndef OPENSSL_NO_CT
465 OPT_CT, OPT_NOCT, OPT_CTLOG_FILE,
467 OPT_DANE_TLSA_RRDATA, OPT_DANE_EE_NO_NAME,
470 OPT_R_ENUM, OPT_PROV_ENUM
473 const OPTIONS s_client_options[] = {
474 {OPT_HELP_STR, 1, '-', "Usage: %s [options] [host:port]\n"},
476 OPT_SECTION("General"),
477 {"help", OPT_HELP, '-', "Display this summary"},
478 #ifndef OPENSSL_NO_ENGINE
479 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
480 {"ssl_client_engine", OPT_SSL_CLIENT_ENGINE, 's',
481 "Specify engine to be used for client certificate operations"},
483 {"ssl_config", OPT_SSL_CONFIG, 's', "Use specified section for SSL_CTX configuration"},
484 #ifndef OPENSSL_NO_CT
485 {"ct", OPT_CT, '-', "Request and parse SCTs (also enables OCSP stapling)"},
486 {"noct", OPT_NOCT, '-', "Do not request or parse SCTs (default)"},
487 {"ctlogfile", OPT_CTLOG_FILE, '<', "CT log list CONF file"},
490 OPT_SECTION("Network"),
491 {"host", OPT_HOST, 's', "Use -connect instead"},
492 {"port", OPT_PORT, 'p', "Use -connect instead"},
493 {"connect", OPT_CONNECT, 's',
494 "TCP/IP where to connect; default: " PORT ")"},
495 {"bind", OPT_BIND, 's', "bind local address for connection"},
496 {"proxy", OPT_PROXY, 's',
497 "Connect to via specified proxy to the real server"},
498 {"proxy_user", OPT_PROXY_USER, 's', "UserID for proxy authentication"},
499 {"proxy_pass", OPT_PROXY_PASS, 's', "Proxy authentication password source"},
501 {"unix", OPT_UNIX, 's', "Connect over the specified Unix-domain socket"},
503 {"4", OPT_4, '-', "Use IPv4 only"},
505 {"6", OPT_6, '-', "Use IPv6 only"},
507 {"maxfraglen", OPT_MAXFRAGLEN, 'p',
508 "Enable Maximum Fragment Length Negotiation (len values: 512, 1024, 2048 and 4096)"},
509 {"max_send_frag", OPT_MAX_SEND_FRAG, 'p', "Maximum Size of send frames "},
510 {"split_send_frag", OPT_SPLIT_SEND_FRAG, 'p',
511 "Size used to split data for encrypt pipelines"},
512 {"max_pipelines", OPT_MAX_PIPELINES, 'p',
513 "Maximum number of encrypt/decrypt pipelines to be used"},
514 {"read_buf", OPT_READ_BUF, 'p',
515 "Default read buffer size to be used for connections"},
516 {"fallback_scsv", OPT_FALLBACKSCSV, '-', "Send the fallback SCSV"},
518 OPT_SECTION("Identity"),
519 {"cert", OPT_CERT, '<', "Client certificate file to use"},
520 {"certform", OPT_CERTFORM, 'F',
521 "Client certificate file format (PEM/DER/P12); has no effect"},
522 {"cert_chain", OPT_CERT_CHAIN, '<',
523 "Client certificate chain file (in PEM format)"},
524 {"build_chain", OPT_BUILD_CHAIN, '-', "Build client certificate chain"},
525 {"key", OPT_KEY, 's', "Private key file to use; default: -cert file"},
526 {"keyform", OPT_KEYFORM, 'E', "Key format (ENGINE, other values ignored)"},
527 {"pass", OPT_PASS, 's', "Private key and cert file pass phrase source"},
528 {"verify", OPT_VERIFY, 'p', "Turn on peer certificate verification"},
529 {"nameopt", OPT_NAMEOPT, 's', "Certificate subject/issuer name printing options"},
530 {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
531 {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
532 {"CAstore", OPT_CASTORE, ':', "URI to store of CA's"},
533 {"no-CAfile", OPT_NOCAFILE, '-',
534 "Do not load the default certificates file"},
535 {"no-CApath", OPT_NOCAPATH, '-',
536 "Do not load certificates from the default certificates directory"},
537 {"no-CAstore", OPT_NOCASTORE, '-',
538 "Do not load certificates from the default certificates store"},
539 {"requestCAfile", OPT_REQCAFILE, '<',
540 "PEM format file of CA names to send to the server"},
541 {"dane_tlsa_domain", OPT_DANE_TLSA_DOMAIN, 's', "DANE TLSA base domain"},
542 {"dane_tlsa_rrdata", OPT_DANE_TLSA_RRDATA, 's',
543 "DANE TLSA rrdata presentation form"},
544 {"dane_ee_no_namechecks", OPT_DANE_EE_NO_NAME, '-',
545 "Disable name checks when matching DANE-EE(3) TLSA records"},
546 {"psk_identity", OPT_PSK_IDENTITY, 's', "PSK identity"},
547 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"},
548 {"psk_session", OPT_PSK_SESS, '<', "File to read PSK SSL session from"},
549 {"name", OPT_PROTOHOST, 's',
550 "Hostname to use for \"-starttls lmtp\", \"-starttls smtp\" or \"-starttls xmpp[-server]\""},
552 OPT_SECTION("Session"),
553 {"reconnect", OPT_RECONNECT, '-',
554 "Drop and re-make the connection with the same Session-ID"},
555 {"sess_out", OPT_SESS_OUT, '>', "File to write SSL session to"},
556 {"sess_in", OPT_SESS_IN, '<', "File to read SSL session from"},
558 OPT_SECTION("Input/Output"),
559 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"},
560 {"quiet", OPT_QUIET, '-', "No s_client output"},
561 {"ign_eof", OPT_IGN_EOF, '-', "Ignore input eof (default when -quiet)"},
562 {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Don't ignore input eof"},
563 {"starttls", OPT_STARTTLS, 's',
564 "Use the appropriate STARTTLS command before starting TLS"},
565 {"xmpphost", OPT_XMPPHOST, 's',
566 "Alias of -name option for \"-starttls xmpp[-server]\""},
567 {"brief", OPT_BRIEF, '-',
568 "Restrict output to brief summary of connection parameters"},
569 {"prexit", OPT_PREXIT, '-',
570 "Print session information when the program exits"},
572 OPT_SECTION("Debug"),
573 {"showcerts", OPT_SHOWCERTS, '-',
574 "Show all certificates sent by the server"},
575 {"debug", OPT_DEBUG, '-', "Extra output"},
576 {"msg", OPT_MSG, '-', "Show protocol messages"},
577 {"msgfile", OPT_MSGFILE, '>',
578 "File to send output of -msg or -trace, instead of stdout"},
579 {"nbio_test", OPT_NBIO_TEST, '-', "More ssl protocol testing"},
580 {"state", OPT_STATE, '-', "Print the ssl states"},
581 {"keymatexport", OPT_KEYMATEXPORT, 's',
582 "Export keying material using label"},
583 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
584 "Export len bytes of keying material; default 20"},
585 {"security_debug", OPT_SECURITY_DEBUG, '-',
586 "Enable security debug messages"},
587 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-',
588 "Output more security debug output"},
589 #ifndef OPENSSL_NO_SSL_TRACE
590 {"trace", OPT_TRACE, '-', "Show trace output of protocol messages"},
593 {"wdebug", OPT_WDEBUG, '-', "WATT-32 tcp debugging"},
595 {"keylogfile", OPT_KEYLOG_FILE, '>', "Write TLS secrets to file"},
596 {"nocommands", OPT_NOCMDS, '-', "Do not use interactive command letters"},
597 {"servername", OPT_SERVERNAME, 's',
598 "Set TLS extension servername (SNI) in ClientHello (default)"},
599 {"noservername", OPT_NOSERVERNAME, '-',
600 "Do not send the server name (SNI) extension in the ClientHello"},
601 {"tlsextdebug", OPT_TLSEXTDEBUG, '-',
602 "Hex dump of all TLS extensions received"},
603 {"ignore_unexpected_eof", OPT_IGNORE_UNEXPECTED_EOF, '-',
604 "Do not treat lack of close_notify from a peer as an error"},
605 #ifndef OPENSSL_NO_OCSP
606 {"status", OPT_STATUS, '-', "Request certificate status from server"},
608 {"serverinfo", OPT_SERVERINFO, 's',
609 "types Send empty ClientHello extensions (comma-separated numbers)"},
610 {"alpn", OPT_ALPN, 's',
611 "Enable ALPN extension, considering named protocols supported (comma-separated list)"},
612 {"async", OPT_ASYNC, '-', "Support asynchronous operation"},
613 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"},
615 OPT_SECTION("Protocol and version"),
616 #ifndef OPENSSL_NO_SSL3
617 {"ssl3", OPT_SSL3, '-', "Just use SSLv3"},
619 #ifndef OPENSSL_NO_TLS1
620 {"tls1", OPT_TLS1, '-', "Just use TLSv1"},
622 #ifndef OPENSSL_NO_TLS1_1
623 {"tls1_1", OPT_TLS1_1, '-', "Just use TLSv1.1"},
625 #ifndef OPENSSL_NO_TLS1_2
626 {"tls1_2", OPT_TLS1_2, '-', "Just use TLSv1.2"},
628 #ifndef OPENSSL_NO_TLS1_3
629 {"tls1_3", OPT_TLS1_3, '-', "Just use TLSv1.3"},
631 #ifndef OPENSSL_NO_DTLS
632 {"dtls", OPT_DTLS, '-', "Use any version of DTLS"},
633 {"timeout", OPT_TIMEOUT, '-',
634 "Enable send/receive timeout on DTLS connections"},
635 {"mtu", OPT_MTU, 'p', "Set the link layer MTU"},
637 #ifndef OPENSSL_NO_DTLS1
638 {"dtls1", OPT_DTLS1, '-', "Just use DTLSv1"},
640 #ifndef OPENSSL_NO_DTLS1_2
641 {"dtls1_2", OPT_DTLS1_2, '-', "Just use DTLSv1.2"},
643 #ifndef OPENSSL_NO_SCTP
644 {"sctp", OPT_SCTP, '-', "Use SCTP"},
645 {"sctp_label_bug", OPT_SCTP_LABEL_BUG, '-', "Enable SCTP label length bug"},
647 #ifndef OPENSSL_NO_NEXTPROTONEG
648 {"nextprotoneg", OPT_NEXTPROTONEG, 's',
649 "Enable NPN extension, considering named protocols supported (comma-separated list)"},
651 {"early_data", OPT_EARLY_DATA, '<', "File to send as early data"},
652 {"enable_pha", OPT_ENABLE_PHA, '-', "Enable post-handshake-authentication"},
653 #ifndef OPENSSL_NO_SRTP
654 {"use_srtp", OPT_USE_SRTP, 's',
655 "Offer SRTP key management with a colon-separated profile list"},
657 #ifndef OPENSSL_NO_SRP
658 {"srpuser", OPT_SRPUSER, 's', "(deprecated) SRP authentication for 'user'"},
659 {"srppass", OPT_SRPPASS, 's', "(deprecated) Password for 'user'"},
660 {"srp_lateuser", OPT_SRP_LATEUSER, '-',
661 "(deprecated) SRP username into second ClientHello message"},
662 {"srp_moregroups", OPT_SRP_MOREGROUPS, '-',
663 "(deprecated) Tolerate other than the known g N values."},
664 {"srp_strength", OPT_SRP_STRENGTH, 'p',
665 "(deprecated) Minimal length in bits for N"},
671 {"CRL", OPT_CRL, '<', "CRL file to use"},
672 {"crl_download", OPT_CRL_DOWNLOAD, '-', "Download CRL from distribution points"},
673 {"CRLform", OPT_CRLFORM, 'F', "CRL format (PEM or DER); default PEM"},
674 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-',
675 "Close connection on verification error"},
676 {"verify_quiet", OPT_VERIFY_QUIET, '-', "Restrict verify output to errors"},
677 {"chainCAfile", OPT_CHAINCAFILE, '<',
678 "CA file for certificate chain (PEM format)"},
679 {"chainCApath", OPT_CHAINCAPATH, '/',
680 "Use dir as certificate store path to build CA certificate chain"},
681 {"chainCAstore", OPT_CHAINCASTORE, ':',
682 "CA store URI for certificate chain"},
683 {"verifyCAfile", OPT_VERIFYCAFILE, '<',
684 "CA file for certificate verification (PEM format)"},
685 {"verifyCApath", OPT_VERIFYCAPATH, '/',
686 "Use dir as certificate store path to verify CA certificate"},
687 {"verifyCAstore", OPT_VERIFYCASTORE, ':',
688 "CA store URI for certificate verification"},
693 {"host:port", 0, 0, "Where to connect; same as -connect option"},
697 typedef enum PROTOCOL_choice {
716 static const OPT_PAIR services[] = {
717 {"smtp", PROTO_SMTP},
718 {"pop3", PROTO_POP3},
719 {"imap", PROTO_IMAP},
721 {"xmpp", PROTO_XMPP},
722 {"xmpp-server", PROTO_XMPP_SERVER},
723 {"telnet", PROTO_TELNET},
725 {"mysql", PROTO_MYSQL},
726 {"postgres", PROTO_POSTGRES},
727 {"lmtp", PROTO_LMTP},
728 {"nntp", PROTO_NNTP},
729 {"sieve", PROTO_SIEVE},
730 {"ldap", PROTO_LDAP},
734 #define IS_INET_FLAG(o) \
735 (o == OPT_4 || o == OPT_6 || o == OPT_HOST || o == OPT_PORT || o == OPT_CONNECT)
736 #define IS_UNIX_FLAG(o) (o == OPT_UNIX)
738 #define IS_PROT_FLAG(o) \
739 (o == OPT_SSL3 || o == OPT_TLS1 || o == OPT_TLS1_1 || o == OPT_TLS1_2 \
740 || o == OPT_TLS1_3 || o == OPT_DTLS || o == OPT_DTLS1 || o == OPT_DTLS1_2)
742 /* Free |*dest| and optionally set it to a copy of |source|. */
743 static void freeandcopy(char **dest, const char *source)
748 *dest = OPENSSL_strdup(source);
751 static int new_session_cb(SSL *s, SSL_SESSION *sess)
754 if (sess_out != NULL) {
755 BIO *stmp = BIO_new_file(sess_out, "w");
758 BIO_printf(bio_err, "Error writing session file %s\n", sess_out);
760 PEM_write_bio_SSL_SESSION(stmp, sess);
766 * Session data gets dumped on connection for TLSv1.2 and below, and on
767 * arrival of the NewSessionTicket for TLSv1.3.
769 if (SSL_version(s) == TLS1_3_VERSION) {
770 BIO_printf(bio_c_out,
771 "---\nPost-Handshake New Session Ticket arrived:\n");
772 SSL_SESSION_print(bio_c_out, sess);
773 BIO_printf(bio_c_out, "---\n");
777 * We always return a "fail" response so that the session gets freed again
778 * because we haven't used the reference.
783 int s_client_main(int argc, char **argv)
786 EVP_PKEY *key = NULL;
789 STACK_OF(X509) *chain = NULL;
791 X509_VERIFY_PARAM *vpm = NULL;
792 SSL_EXCERT *exc = NULL;
793 SSL_CONF_CTX *cctx = NULL;
794 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
795 char *dane_tlsa_domain = NULL;
796 STACK_OF(OPENSSL_STRING) *dane_tlsa_rrset = NULL;
797 int dane_ee_no_name = 0;
798 STACK_OF(X509_CRL) *crls = NULL;
799 const SSL_METHOD *meth = TLS_client_method();
800 const char *CApath = NULL, *CAfile = NULL, *CAstore = NULL;
801 char *cbuf = NULL, *sbuf = NULL, *mbuf = NULL;
802 char *proxystr = NULL, *proxyuser = NULL;
803 char *proxypassarg = NULL, *proxypass = NULL;
804 char *connectstr = NULL, *bindstr = NULL;
805 char *cert_file = NULL, *key_file = NULL, *chain_file = NULL;
806 char *chCApath = NULL, *chCAfile = NULL, *chCAstore = NULL, *host = NULL;
807 char *thost = NULL, *tport = NULL;
808 char *port = OPENSSL_strdup(PORT);
809 char *bindhost = NULL, *bindport = NULL;
810 char *passarg = NULL, *pass = NULL;
811 char *vfyCApath = NULL, *vfyCAfile = NULL, *vfyCAstore = NULL;
812 char *ReqCAfile = NULL;
813 char *sess_in = NULL, *crl_file = NULL, *p;
814 const char *protohost = NULL;
815 struct timeval timeout, *timeoutp;
816 fd_set readfds, writefds;
817 int noCApath = 0, noCAfile = 0, noCAstore = 0;
818 int build_chain = 0, cbuf_len, cbuf_off, cert_format = FORMAT_UNDEF;
819 int key_format = FORMAT_UNDEF, crlf = 0, full_log = 1, mbuf_len = 0;
822 int reconnect = 0, verify = SSL_VERIFY_NONE, vpmtouched = 0;
823 int ret = 1, in_init = 1, i, nbio_test = 0, sock = -1, k, width, state = 0;
824 int sbuf_len, sbuf_off, cmdletters = 1;
825 int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM, protocol = 0;
826 int starttls_proto = PROTO_OFF, crl_format = FORMAT_UNDEF, crl_download = 0;
827 int write_tty, read_tty, write_ssl, read_ssl, tty_on, ssl_pending;
828 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
831 int read_buf_len = 0;
832 int fallback_scsv = 0;
834 #ifndef OPENSSL_NO_DTLS
835 int enable_timeouts = 0;
838 #ifndef OPENSSL_NO_ENGINE
839 ENGINE *ssl_client_engine = NULL;
842 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
845 const char *servername = NULL;
846 int noservername = 0;
847 const char *alpn_in = NULL;
848 tlsextctx tlsextcbp = { NULL, 0 };
849 const char *ssl_config = NULL;
850 #define MAX_SI_TYPES 100
851 unsigned short serverinfo_types[MAX_SI_TYPES];
852 int serverinfo_count = 0, start = 0, len;
853 #ifndef OPENSSL_NO_NEXTPROTONEG
854 const char *next_proto_neg_in = NULL;
856 #ifndef OPENSSL_NO_SRP
857 char *srppass = NULL;
858 int srp_lateuser = 0;
859 SRP_ARG srp_arg = { NULL, NULL, 0, 0, 0, 1024 };
861 #ifndef OPENSSL_NO_SRTP
862 char *srtp_profiles = NULL;
864 #ifndef OPENSSL_NO_CT
865 char *ctlog_file = NULL;
866 int ct_validation = 0;
868 int min_version = 0, max_version = 0, prot_opt = 0, no_prot_opt = 0;
870 unsigned int max_send_fragment = 0;
871 unsigned int split_send_fragment = 0, max_pipelines = 0;
872 enum { use_inet, use_unix, use_unknown } connect_type = use_unknown;
874 uint8_t maxfraglen = 0;
875 int c_nbio = 0, c_msg = 0, c_ign_eof = 0, c_brief = 0;
876 int c_tlsextdebug = 0;
877 #ifndef OPENSSL_NO_OCSP
878 int c_status_req = 0;
880 BIO *bio_c_msg = NULL;
881 const char *keylog_file = NULL, *early_data_file = NULL;
882 #ifndef OPENSSL_NO_DTLS
885 char *psksessf = NULL;
887 #ifndef OPENSSL_NO_SCTP
888 int sctp_label_bug = 0;
890 int ignore_unexpected_eof = 0;
894 /* Known false-positive of MemorySanitizer. */
895 #if defined(__has_feature)
896 # if __has_feature(memory_sanitizer)
897 __msan_unpoison(&readfds, sizeof(readfds));
898 __msan_unpoison(&writefds, sizeof(writefds));
906 vpm = X509_VERIFY_PARAM_new();
907 cctx = SSL_CONF_CTX_new();
909 if (vpm == NULL || cctx == NULL) {
910 BIO_printf(bio_err, "%s: out of memory\n", opt_getprog());
914 cbuf = app_malloc(BUFSIZZ, "cbuf");
915 sbuf = app_malloc(BUFSIZZ, "sbuf");
916 mbuf = app_malloc(BUFSIZZ, "mbuf");
918 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT | SSL_CONF_FLAG_CMDLINE);
920 prog = opt_init(argc, argv, s_client_options);
921 while ((o = opt_next()) != OPT_EOF) {
922 /* Check for intermixing flags. */
923 if (connect_type == use_unix && IS_INET_FLAG(o)) {
925 "%s: Intermixed protocol flags (unix and internet domains)\n",
929 if (connect_type == use_inet && IS_UNIX_FLAG(o)) {
931 "%s: Intermixed protocol flags (internet and unix domains)\n",
936 if (IS_PROT_FLAG(o) && ++prot_opt > 1) {
937 BIO_printf(bio_err, "Cannot supply multiple protocol flags\n");
940 if (IS_NO_PROT_FLAG(o))
942 if (prot_opt == 1 && no_prot_opt) {
944 "Cannot supply both a protocol flag and '-no_<prot>'\n");
952 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
955 opt_help(s_client_options);
959 connect_type = use_inet;
960 socket_family = AF_INET;
965 connect_type = use_inet;
966 socket_family = AF_INET6;
971 connect_type = use_inet;
972 freeandcopy(&host, opt_arg());
975 connect_type = use_inet;
976 freeandcopy(&port, opt_arg());
979 connect_type = use_inet;
980 freeandcopy(&connectstr, opt_arg());
983 freeandcopy(&bindstr, opt_arg());
986 proxystr = opt_arg();
987 starttls_proto = PROTO_CONNECT;
990 proxyuser = opt_arg();
993 proxypassarg = opt_arg();
997 connect_type = use_unix;
998 socket_family = AF_UNIX;
999 freeandcopy(&host, opt_arg());
1003 /* fall through, since this is an alias */
1005 protohost = opt_arg();
1008 verify = SSL_VERIFY_PEER;
1009 verify_args.depth = atoi(opt_arg());
1011 BIO_printf(bio_err, "verify depth is %d\n", verify_args.depth);
1014 cert_file = opt_arg();
1017 if (!set_nameopt(opt_arg()))
1021 crl_file = opt_arg();
1023 case OPT_CRL_DOWNLOAD:
1027 sess_out = opt_arg();
1030 sess_in = opt_arg();
1033 if (!opt_format(opt_arg(), OPT_FMT_ANY, &cert_format))
1037 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
1040 case OPT_VERIFY_RET_ERROR:
1041 verify = SSL_VERIFY_PEER;
1042 verify_args.return_error = 1;
1044 case OPT_VERIFY_QUIET:
1045 verify_args.quiet = 1;
1048 c_brief = verify_args.quiet = c_quiet = 1;
1051 if (ssl_args == NULL)
1052 ssl_args = sk_OPENSSL_STRING_new_null();
1053 if (ssl_args == NULL
1054 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
1055 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
1056 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1061 if (!opt_verify(o, vpm))
1066 if (!args_excert(o, &exc))
1069 case OPT_IGNORE_UNEXPECTED_EOF:
1070 ignore_unexpected_eof = 1;
1079 c_quiet = c_ign_eof = 1;
1088 e = setup_engine(opt_arg(), 1);
1090 case OPT_SSL_CLIENT_ENGINE:
1091 #ifndef OPENSSL_NO_ENGINE
1092 ssl_client_engine = setup_engine(opt_arg(), 0);
1093 if (ssl_client_engine == NULL) {
1094 BIO_printf(bio_err, "Error getting client auth engine\n");
1103 case OPT_PROV_CASES:
1104 if (!opt_provider(o))
1110 case OPT_NO_IGN_EOF:
1116 case OPT_TLSEXTDEBUG:
1120 #ifndef OPENSSL_NO_OCSP
1133 bio_c_msg = BIO_new_file(opt_arg(), "w");
1136 #ifndef OPENSSL_NO_SSL_TRACE
1140 case OPT_SECURITY_DEBUG:
1143 case OPT_SECURITY_DEBUG_VERBOSE:
1155 case OPT_PSK_IDENTITY:
1156 psk_identity = opt_arg();
1159 for (p = psk_key = opt_arg(); *p; p++) {
1160 if (isxdigit(_UC(*p)))
1162 BIO_printf(bio_err, "Not a hex number '%s'\n", psk_key);
1167 psksessf = opt_arg();
1169 #ifndef OPENSSL_NO_SRP
1171 srp_arg.srplogin = opt_arg();
1172 if (min_version < TLS1_VERSION)
1173 min_version = TLS1_VERSION;
1176 srppass = opt_arg();
1177 if (min_version < TLS1_VERSION)
1178 min_version = TLS1_VERSION;
1180 case OPT_SRP_STRENGTH:
1181 srp_arg.strength = atoi(opt_arg());
1182 BIO_printf(bio_err, "SRP minimal length for N is %d\n",
1184 if (min_version < TLS1_VERSION)
1185 min_version = TLS1_VERSION;
1187 case OPT_SRP_LATEUSER:
1189 if (min_version < TLS1_VERSION)
1190 min_version = TLS1_VERSION;
1192 case OPT_SRP_MOREGROUPS:
1194 if (min_version < TLS1_VERSION)
1195 min_version = TLS1_VERSION;
1198 case OPT_SSL_CONFIG:
1199 ssl_config = opt_arg();
1202 min_version = SSL3_VERSION;
1203 max_version = SSL3_VERSION;
1204 socket_type = SOCK_STREAM;
1205 #ifndef OPENSSL_NO_DTLS
1210 min_version = TLS1_3_VERSION;
1211 max_version = TLS1_3_VERSION;
1212 socket_type = SOCK_STREAM;
1213 #ifndef OPENSSL_NO_DTLS
1218 min_version = TLS1_2_VERSION;
1219 max_version = TLS1_2_VERSION;
1220 socket_type = SOCK_STREAM;
1221 #ifndef OPENSSL_NO_DTLS
1226 min_version = TLS1_1_VERSION;
1227 max_version = TLS1_1_VERSION;
1228 socket_type = SOCK_STREAM;
1229 #ifndef OPENSSL_NO_DTLS
1234 min_version = TLS1_VERSION;
1235 max_version = TLS1_VERSION;
1236 socket_type = SOCK_STREAM;
1237 #ifndef OPENSSL_NO_DTLS
1242 #ifndef OPENSSL_NO_DTLS
1243 meth = DTLS_client_method();
1244 socket_type = SOCK_DGRAM;
1249 #ifndef OPENSSL_NO_DTLS1
1250 meth = DTLS_client_method();
1251 min_version = DTLS1_VERSION;
1252 max_version = DTLS1_VERSION;
1253 socket_type = SOCK_DGRAM;
1258 #ifndef OPENSSL_NO_DTLS1_2
1259 meth = DTLS_client_method();
1260 min_version = DTLS1_2_VERSION;
1261 max_version = DTLS1_2_VERSION;
1262 socket_type = SOCK_DGRAM;
1267 #ifndef OPENSSL_NO_SCTP
1268 protocol = IPPROTO_SCTP;
1271 case OPT_SCTP_LABEL_BUG:
1272 #ifndef OPENSSL_NO_SCTP
1277 #ifndef OPENSSL_NO_DTLS
1278 enable_timeouts = 1;
1282 #ifndef OPENSSL_NO_DTLS
1283 socket_mtu = atol(opt_arg());
1286 case OPT_FALLBACKSCSV:
1290 if (!opt_format(opt_arg(), OPT_FMT_ANY, &key_format))
1294 passarg = opt_arg();
1296 case OPT_CERT_CHAIN:
1297 chain_file = opt_arg();
1300 key_file = opt_arg();
1311 case OPT_CHAINCAPATH:
1312 chCApath = opt_arg();
1314 case OPT_VERIFYCAPATH:
1315 vfyCApath = opt_arg();
1317 case OPT_BUILD_CHAIN:
1321 ReqCAfile = opt_arg();
1329 #ifndef OPENSSL_NO_CT
1336 case OPT_CTLOG_FILE:
1337 ctlog_file = opt_arg();
1340 case OPT_CHAINCAFILE:
1341 chCAfile = opt_arg();
1343 case OPT_VERIFYCAFILE:
1344 vfyCAfile = opt_arg();
1347 CAstore = opt_arg();
1352 case OPT_CHAINCASTORE:
1353 chCAstore = opt_arg();
1355 case OPT_VERIFYCASTORE:
1356 vfyCAstore = opt_arg();
1358 case OPT_DANE_TLSA_DOMAIN:
1359 dane_tlsa_domain = opt_arg();
1361 case OPT_DANE_TLSA_RRDATA:
1362 if (dane_tlsa_rrset == NULL)
1363 dane_tlsa_rrset = sk_OPENSSL_STRING_new_null();
1364 if (dane_tlsa_rrset == NULL ||
1365 !sk_OPENSSL_STRING_push(dane_tlsa_rrset, opt_arg())) {
1366 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1370 case OPT_DANE_EE_NO_NAME:
1371 dane_ee_no_name = 1;
1373 case OPT_NEXTPROTONEG:
1374 #ifndef OPENSSL_NO_NEXTPROTONEG
1375 next_proto_neg_in = opt_arg();
1379 alpn_in = opt_arg();
1381 case OPT_SERVERINFO:
1384 for (start = 0, i = 0; i <= len; ++i) {
1385 if (i == len || p[i] == ',') {
1386 serverinfo_types[serverinfo_count] = atoi(p + start);
1387 if (++serverinfo_count == MAX_SI_TYPES)
1394 if (!opt_pair(opt_arg(), services, &starttls_proto))
1397 case OPT_SERVERNAME:
1398 servername = opt_arg();
1400 case OPT_NOSERVERNAME:
1404 #ifndef OPENSSL_NO_SRTP
1405 srtp_profiles = opt_arg();
1408 case OPT_KEYMATEXPORT:
1409 keymatexportlabel = opt_arg();
1411 case OPT_KEYMATEXPORTLEN:
1412 keymatexportlen = atoi(opt_arg());
1417 case OPT_MAXFRAGLEN:
1418 len = atoi(opt_arg());
1421 maxfraglen = TLSEXT_max_fragment_length_512;
1424 maxfraglen = TLSEXT_max_fragment_length_1024;
1427 maxfraglen = TLSEXT_max_fragment_length_2048;
1430 maxfraglen = TLSEXT_max_fragment_length_4096;
1434 "%s: Max Fragment Len %u is out of permitted values",
1439 case OPT_MAX_SEND_FRAG:
1440 max_send_fragment = atoi(opt_arg());
1442 case OPT_SPLIT_SEND_FRAG:
1443 split_send_fragment = atoi(opt_arg());
1445 case OPT_MAX_PIPELINES:
1446 max_pipelines = atoi(opt_arg());
1449 read_buf_len = atoi(opt_arg());
1451 case OPT_KEYLOG_FILE:
1452 keylog_file = opt_arg();
1454 case OPT_EARLY_DATA:
1455 early_data_file = opt_arg();
1457 case OPT_ENABLE_PHA:
1463 /* Optional argument is connect string if -connect not used. */
1464 argc = opt_num_rest();
1466 /* Don't allow -connect and a separate argument. */
1467 if (connectstr != NULL) {
1469 "%s: cannot provide both -connect option and target parameter\n",
1473 connect_type = use_inet;
1474 freeandcopy(&connectstr, *opt_rest());
1475 } else if (argc != 0) {
1478 if (!app_RAND_load())
1481 if (count4or6 >= 2) {
1482 BIO_printf(bio_err, "%s: Can't use both -4 and -6\n", prog);
1486 if (servername != NULL) {
1488 "%s: Can't use -servername and -noservername together\n",
1492 if (dane_tlsa_domain != NULL) {
1494 "%s: Can't use -dane_tlsa_domain and -noservername together\n",
1500 #ifndef OPENSSL_NO_NEXTPROTONEG
1501 if (min_version == TLS1_3_VERSION && next_proto_neg_in != NULL) {
1502 BIO_printf(bio_err, "Cannot supply -nextprotoneg with TLSv1.3\n");
1507 if (connectstr != NULL) {
1509 char *tmp_host = host, *tmp_port = port;
1511 res = BIO_parse_hostserv(connectstr, &host, &port, BIO_PARSE_PRIO_HOST);
1512 if (tmp_host != host)
1513 OPENSSL_free(tmp_host);
1514 if (tmp_port != port)
1515 OPENSSL_free(tmp_port);
1518 "%s: -connect argument or target parameter malformed or ambiguous\n",
1524 if (proxystr != NULL) {
1526 char *tmp_host = host, *tmp_port = port;
1528 if (host == NULL || port == NULL) {
1529 BIO_printf(bio_err, "%s: -proxy requires use of -connect or target parameter\n", prog);
1533 /* Retain the original target host:port for use in the HTTP proxy connect string */
1534 thost = OPENSSL_strdup(host);
1535 tport = OPENSSL_strdup(port);
1536 if (thost == NULL || tport == NULL) {
1537 BIO_printf(bio_err, "%s: out of memory\n", prog);
1541 res = BIO_parse_hostserv(proxystr, &host, &port, BIO_PARSE_PRIO_HOST);
1542 if (tmp_host != host)
1543 OPENSSL_free(tmp_host);
1544 if (tmp_port != port)
1545 OPENSSL_free(tmp_port);
1548 "%s: -proxy argument malformed or ambiguous\n", prog);
1553 if (bindstr != NULL) {
1555 res = BIO_parse_hostserv(bindstr, &bindhost, &bindport,
1556 BIO_PARSE_PRIO_HOST);
1559 "%s: -bind argument parameter malformed or ambiguous\n",
1566 if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) {
1568 "Can't use unix sockets and datagrams together\n");
1573 #ifndef OPENSSL_NO_SCTP
1574 if (protocol == IPPROTO_SCTP) {
1575 if (socket_type != SOCK_DGRAM) {
1576 BIO_printf(bio_err, "Can't use -sctp without DTLS\n");
1579 /* SCTP is unusual. It uses DTLS over a SOCK_STREAM protocol */
1580 socket_type = SOCK_STREAM;
1584 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1585 next_proto.status = -1;
1586 if (next_proto_neg_in) {
1588 next_protos_parse(&next_proto.len, next_proto_neg_in);
1589 if (next_proto.data == NULL) {
1590 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n");
1594 next_proto.data = NULL;
1597 if (!app_passwd(passarg, NULL, &pass, NULL)) {
1598 BIO_printf(bio_err, "Error getting private key password\n");
1602 if (!app_passwd(proxypassarg, NULL, &proxypass, NULL)) {
1603 BIO_printf(bio_err, "Error getting proxy password\n");
1607 if (proxypass != NULL && proxyuser == NULL) {
1608 BIO_printf(bio_err, "Error: Must specify proxy_user with proxy_pass\n");
1612 if (key_file == NULL)
1613 key_file = cert_file;
1615 if (key_file != NULL) {
1616 key = load_key(key_file, key_format, 0, pass, e,
1617 "client certificate private key");
1622 if (cert_file != NULL) {
1623 cert = load_cert_pass(cert_file, cert_format, 1, pass,
1624 "client certificate");
1629 if (chain_file != NULL) {
1630 if (!load_certs(chain_file, 0, &chain, pass, "client certificate chain"))
1634 if (crl_file != NULL) {
1636 crl = load_crl(crl_file, crl_format, 0, "CRL");
1639 crls = sk_X509_CRL_new_null();
1640 if (crls == NULL || !sk_X509_CRL_push(crls, crl)) {
1641 BIO_puts(bio_err, "Error adding CRL\n");
1642 ERR_print_errors(bio_err);
1648 if (!load_excert(&exc))
1651 if (bio_c_out == NULL) {
1652 if (c_quiet && !c_debug) {
1653 bio_c_out = BIO_new(BIO_s_null());
1654 if (c_msg && bio_c_msg == NULL)
1655 bio_c_msg = dup_bio_out(FORMAT_TEXT);
1656 } else if (bio_c_out == NULL)
1657 bio_c_out = dup_bio_out(FORMAT_TEXT);
1659 #ifndef OPENSSL_NO_SRP
1660 if (!app_passwd(srppass, NULL, &srp_arg.srppassin, NULL)) {
1661 BIO_printf(bio_err, "Error getting password\n");
1666 ctx = SSL_CTX_new_ex(app_get0_libctx(), app_get0_propq(), meth);
1668 ERR_print_errors(bio_err);
1672 SSL_CTX_clear_mode(ctx, SSL_MODE_AUTO_RETRY);
1675 ssl_ctx_security_debug(ctx, sdebug);
1677 if (!config_ctx(cctx, ssl_args, ctx))
1680 if (ssl_config != NULL) {
1681 if (SSL_CTX_config(ctx, ssl_config) == 0) {
1682 BIO_printf(bio_err, "Error using configuration \"%s\"\n",
1684 ERR_print_errors(bio_err);
1689 #ifndef OPENSSL_NO_SCTP
1690 if (protocol == IPPROTO_SCTP && sctp_label_bug == 1)
1691 SSL_CTX_set_mode(ctx, SSL_MODE_DTLS_SCTP_LABEL_LENGTH_BUG);
1694 if (min_version != 0
1695 && SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
1697 if (max_version != 0
1698 && SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
1701 if (ignore_unexpected_eof)
1702 SSL_CTX_set_options(ctx, SSL_OP_IGNORE_UNEXPECTED_EOF);
1704 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
1705 BIO_printf(bio_err, "Error setting verify params\n");
1706 ERR_print_errors(bio_err);
1711 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
1714 if (max_send_fragment > 0
1715 && !SSL_CTX_set_max_send_fragment(ctx, max_send_fragment)) {
1716 BIO_printf(bio_err, "%s: Max send fragment size %u is out of permitted range\n",
1717 prog, max_send_fragment);
1721 if (split_send_fragment > 0
1722 && !SSL_CTX_set_split_send_fragment(ctx, split_send_fragment)) {
1723 BIO_printf(bio_err, "%s: Split send fragment size %u is out of permitted range\n",
1724 prog, split_send_fragment);
1728 if (max_pipelines > 0
1729 && !SSL_CTX_set_max_pipelines(ctx, max_pipelines)) {
1730 BIO_printf(bio_err, "%s: Max pipelines %u is out of permitted range\n",
1731 prog, max_pipelines);
1735 if (read_buf_len > 0) {
1736 SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len);
1740 && !SSL_CTX_set_tlsext_max_fragment_length(ctx, maxfraglen)) {
1742 "%s: Max Fragment Length code %u is out of permitted values"
1743 "\n", prog, maxfraglen);
1747 if (!ssl_load_stores(ctx,
1748 vfyCApath, vfyCAfile, vfyCAstore,
1749 chCApath, chCAfile, chCAstore,
1750 crls, crl_download)) {
1751 BIO_printf(bio_err, "Error loading store locations\n");
1752 ERR_print_errors(bio_err);
1755 if (ReqCAfile != NULL) {
1756 STACK_OF(X509_NAME) *nm = sk_X509_NAME_new_null();
1758 if (nm == NULL || !SSL_add_file_cert_subjects_to_stack(nm, ReqCAfile)) {
1759 sk_X509_NAME_pop_free(nm, X509_NAME_free);
1760 BIO_printf(bio_err, "Error loading CA names\n");
1761 ERR_print_errors(bio_err);
1764 SSL_CTX_set0_CA_list(ctx, nm);
1766 #ifndef OPENSSL_NO_ENGINE
1767 if (ssl_client_engine) {
1768 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine)) {
1769 BIO_puts(bio_err, "Error setting client auth engine\n");
1770 ERR_print_errors(bio_err);
1771 release_engine(ssl_client_engine);
1774 release_engine(ssl_client_engine);
1778 #ifndef OPENSSL_NO_PSK
1779 if (psk_key != NULL) {
1781 BIO_printf(bio_c_out, "PSK key given, setting client callback\n");
1782 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
1785 if (psksessf != NULL) {
1786 BIO *stmp = BIO_new_file(psksessf, "r");
1789 BIO_printf(bio_err, "Can't open PSK session file %s\n", psksessf);
1790 ERR_print_errors(bio_err);
1793 psksess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1795 if (psksess == NULL) {
1796 BIO_printf(bio_err, "Can't read PSK session file %s\n", psksessf);
1797 ERR_print_errors(bio_err);
1801 if (psk_key != NULL || psksess != NULL)
1802 SSL_CTX_set_psk_use_session_callback(ctx, psk_use_session_cb);
1804 #ifndef OPENSSL_NO_SRTP
1805 if (srtp_profiles != NULL) {
1806 /* Returns 0 on success! */
1807 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
1808 BIO_printf(bio_err, "Error setting SRTP profile\n");
1809 ERR_print_errors(bio_err);
1816 ssl_ctx_set_excert(ctx, exc);
1818 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1819 if (next_proto.data != NULL)
1820 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
1824 unsigned char *alpn = next_protos_parse(&alpn_len, alpn_in);
1827 BIO_printf(bio_err, "Error parsing -alpn argument\n");
1830 /* Returns 0 on success! */
1831 if (SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len) != 0) {
1832 BIO_printf(bio_err, "Error setting ALPN\n");
1838 for (i = 0; i < serverinfo_count; i++) {
1839 if (!SSL_CTX_add_client_custom_ext(ctx,
1840 serverinfo_types[i],
1842 serverinfo_cli_parse_cb, NULL)) {
1844 "Warning: Unable to add custom extension %u, skipping\n",
1845 serverinfo_types[i]);
1850 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1852 #ifndef OPENSSL_NO_CT
1853 /* Enable SCT processing, without early connection termination */
1854 if (ct_validation &&
1855 !SSL_CTX_enable_ct(ctx, SSL_CT_VALIDATION_PERMISSIVE)) {
1856 ERR_print_errors(bio_err);
1860 if (!ctx_set_ctlog_list_file(ctx, ctlog_file)) {
1861 if (ct_validation) {
1862 ERR_print_errors(bio_err);
1867 * If CT validation is not enabled, the log list isn't needed so don't
1868 * show errors or abort. We try to load it regardless because then we
1869 * can show the names of the logs any SCTs came from (SCTs may be seen
1870 * even with validation disabled).
1876 SSL_CTX_set_verify(ctx, verify, verify_callback);
1878 if (!ctx_set_verify_locations(ctx, CAfile, noCAfile, CApath, noCApath,
1879 CAstore, noCAstore)) {
1880 ERR_print_errors(bio_err);
1884 ssl_ctx_add_crls(ctx, crls, crl_download);
1886 if (!set_cert_key_stuff(ctx, cert, key, chain, build_chain))
1889 if (!noservername) {
1890 tlsextcbp.biodebug = bio_err;
1891 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1892 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1894 #ifndef OPENSSL_NO_SRP
1895 if (srp_arg.srplogin != NULL
1896 && !set_up_srp_arg(ctx, &srp_arg, srp_lateuser, c_msg, c_debug))
1900 if (dane_tlsa_domain != NULL) {
1901 if (SSL_CTX_dane_enable(ctx) <= 0) {
1903 "%s: Error enabling DANE TLSA authentication.\n",
1905 ERR_print_errors(bio_err);
1911 * In TLSv1.3 NewSessionTicket messages arrive after the handshake and can
1912 * come at any time. Therefore we use a callback to write out the session
1913 * when we know about it. This approach works for < TLSv1.3 as well.
1915 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_CLIENT
1916 | SSL_SESS_CACHE_NO_INTERNAL_STORE);
1917 SSL_CTX_sess_set_new_cb(ctx, new_session_cb);
1919 if (set_keylog_file(ctx, keylog_file))
1927 SSL_set_post_handshake_auth(con, 1);
1929 if (sess_in != NULL) {
1931 BIO *stmp = BIO_new_file(sess_in, "r");
1933 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1934 ERR_print_errors(bio_err);
1937 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1940 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1941 ERR_print_errors(bio_err);
1944 if (!SSL_set_session(con, sess)) {
1945 BIO_printf(bio_err, "Can't set session\n");
1946 ERR_print_errors(bio_err);
1950 SSL_SESSION_free(sess);
1954 SSL_set_mode(con, SSL_MODE_SEND_FALLBACK_SCSV);
1956 if (!noservername && (servername != NULL || dane_tlsa_domain == NULL)) {
1957 if (servername == NULL) {
1958 if(host == NULL || is_dNS_name(host))
1959 servername = (host == NULL) ? "localhost" : host;
1961 if (servername != NULL && !SSL_set_tlsext_host_name(con, servername)) {
1962 BIO_printf(bio_err, "Unable to set TLS servername extension.\n");
1963 ERR_print_errors(bio_err);
1968 if (dane_tlsa_domain != NULL) {
1969 if (SSL_dane_enable(con, dane_tlsa_domain) <= 0) {
1970 BIO_printf(bio_err, "%s: Error enabling DANE TLSA "
1971 "authentication.\n", prog);
1972 ERR_print_errors(bio_err);
1975 if (dane_tlsa_rrset == NULL) {
1976 BIO_printf(bio_err, "%s: DANE TLSA authentication requires at "
1977 "least one -dane_tlsa_rrdata option.\n", prog);
1980 if (tlsa_import_rrset(con, dane_tlsa_rrset) <= 0) {
1981 BIO_printf(bio_err, "%s: Failed to import any TLSA "
1982 "records.\n", prog);
1985 if (dane_ee_no_name)
1986 SSL_dane_set_flags(con, DANE_FLAG_NO_DANE_EE_NAMECHECKS);
1987 } else if (dane_tlsa_rrset != NULL) {
1988 BIO_printf(bio_err, "%s: DANE TLSA authentication requires the "
1989 "-dane_tlsa_domain option.\n", prog);
1994 if (init_client(&sock, host, port, bindhost, bindport, socket_family,
1995 socket_type, protocol) == 0) {
1996 BIO_printf(bio_err, "connect:errno=%d\n", get_last_socket_error());
1997 BIO_closesocket(sock);
2000 BIO_printf(bio_c_out, "CONNECTED(%08X)\n", sock);
2003 if (!BIO_socket_nbio(sock, 1)) {
2004 ERR_print_errors(bio_err);
2007 BIO_printf(bio_c_out, "Turned on non blocking io\n");
2009 #ifndef OPENSSL_NO_DTLS
2011 union BIO_sock_info_u peer_info;
2013 #ifndef OPENSSL_NO_SCTP
2014 if (protocol == IPPROTO_SCTP)
2015 sbio = BIO_new_dgram_sctp(sock, BIO_NOCLOSE);
2018 sbio = BIO_new_dgram(sock, BIO_NOCLOSE);
2020 if ((peer_info.addr = BIO_ADDR_new()) == NULL) {
2021 BIO_printf(bio_err, "memory allocation failure\n");
2022 BIO_closesocket(sock);
2025 if (!BIO_sock_info(sock, BIO_SOCK_INFO_ADDRESS, &peer_info)) {
2026 BIO_printf(bio_err, "getsockname:errno=%d\n",
2027 get_last_socket_error());
2028 BIO_ADDR_free(peer_info.addr);
2029 BIO_closesocket(sock);
2033 (void)BIO_ctrl_set_connected(sbio, peer_info.addr);
2034 BIO_ADDR_free(peer_info.addr);
2035 peer_info.addr = NULL;
2037 if (enable_timeouts) {
2039 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2040 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2043 timeout.tv_usec = DGRAM_SND_TIMEOUT;
2044 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2048 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
2049 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
2050 DTLS_get_link_min_mtu(con));
2054 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2055 if (!DTLS_set_link_mtu(con, socket_mtu)) {
2056 BIO_printf(bio_err, "Failed to set MTU\n");
2061 /* want to do MTU discovery */
2062 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2065 #endif /* OPENSSL_NO_DTLS */
2066 sbio = BIO_new_socket(sock, BIO_NOCLOSE);
2071 test = BIO_new(BIO_f_nbio_test());
2072 sbio = BIO_push(test, sbio);
2076 BIO_set_callback(sbio, bio_dump_callback);
2077 BIO_set_callback_arg(sbio, (char *)bio_c_out);
2080 #ifndef OPENSSL_NO_SSL_TRACE
2082 SSL_set_msg_callback(con, SSL_trace);
2085 SSL_set_msg_callback(con, msg_cb);
2086 SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out);
2089 if (c_tlsextdebug) {
2090 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2091 SSL_set_tlsext_debug_arg(con, bio_c_out);
2093 #ifndef OPENSSL_NO_OCSP
2095 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
2096 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
2097 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
2101 SSL_set_bio(con, sbio, sbio);
2102 SSL_set_connect_state(con);
2104 /* ok, lets connect */
2105 if (fileno_stdin() > SSL_get_fd(con))
2106 width = fileno_stdin() + 1;
2108 width = SSL_get_fd(con) + 1;
2121 switch ((PROTOCOL_CHOICE) starttls_proto) {
2128 * This is an ugly hack that does a lot of assumptions. We do
2129 * have to handle multi-line responses which may come in a single
2130 * packet or not. We therefore have to use BIO_gets() which does
2131 * need a buffering BIO. So during the initial chitchat we do
2132 * push a buffering BIO into the chain that is removed again
2133 * later on to not disturb the rest of the s_client operation.
2136 BIO *fbio = BIO_new(BIO_f_buffer());
2138 BIO_push(fbio, sbio);
2139 /* Wait for multi-line response to end from LMTP or SMTP */
2141 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2142 } while (mbuf_len > 3 && mbuf[3] == '-');
2143 if (protohost == NULL)
2144 protohost = "mail.example.com";
2145 if (starttls_proto == (int)PROTO_LMTP)
2146 BIO_printf(fbio, "LHLO %s\r\n", protohost);
2148 BIO_printf(fbio, "EHLO %s\r\n", protohost);
2149 (void)BIO_flush(fbio);
2151 * Wait for multi-line response to end LHLO LMTP or EHLO SMTP
2155 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2156 if (strstr(mbuf, "STARTTLS"))
2158 } while (mbuf_len > 3 && mbuf[3] == '-');
2159 (void)BIO_flush(fbio);
2164 "Didn't find STARTTLS in server response,"
2165 " trying anyway...\n");
2166 BIO_printf(sbio, "STARTTLS\r\n");
2167 BIO_read(sbio, sbuf, BUFSIZZ);
2172 BIO_read(sbio, mbuf, BUFSIZZ);
2173 BIO_printf(sbio, "STLS\r\n");
2174 mbuf_len = BIO_read(sbio, sbuf, BUFSIZZ);
2176 BIO_printf(bio_err, "BIO_read failed\n");
2184 BIO *fbio = BIO_new(BIO_f_buffer());
2186 BIO_push(fbio, sbio);
2187 BIO_gets(fbio, mbuf, BUFSIZZ);
2188 /* STARTTLS command requires CAPABILITY... */
2189 BIO_printf(fbio, ". CAPABILITY\r\n");
2190 (void)BIO_flush(fbio);
2191 /* wait for multi-line CAPABILITY response */
2193 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2194 if (strstr(mbuf, "STARTTLS"))
2197 while (mbuf_len > 3 && mbuf[0] != '.');
2198 (void)BIO_flush(fbio);
2203 "Didn't find STARTTLS in server response,"
2204 " trying anyway...\n");
2205 BIO_printf(sbio, ". STARTTLS\r\n");
2206 BIO_read(sbio, sbuf, BUFSIZZ);
2211 BIO *fbio = BIO_new(BIO_f_buffer());
2213 BIO_push(fbio, sbio);
2214 /* wait for multi-line response to end from FTP */
2216 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2218 while (mbuf_len > 3 && (!isdigit(mbuf[0]) || !isdigit(mbuf[1]) || !isdigit(mbuf[2]) || mbuf[3] != ' '));
2219 (void)BIO_flush(fbio);
2222 BIO_printf(sbio, "AUTH TLS\r\n");
2223 BIO_read(sbio, sbuf, BUFSIZZ);
2227 case PROTO_XMPP_SERVER:
2230 BIO_printf(sbio, "<stream:stream "
2231 "xmlns:stream='http://etherx.jabber.org/streams' "
2232 "xmlns='jabber:%s' to='%s' version='1.0'>",
2233 starttls_proto == PROTO_XMPP ? "client" : "server",
2234 protohost ? protohost : host);
2235 seen = BIO_read(sbio, mbuf, BUFSIZZ);
2237 BIO_printf(bio_err, "BIO_read failed\n");
2242 (mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")
2244 "<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\""))
2246 seen = BIO_read(sbio, mbuf, BUFSIZZ);
2254 "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
2255 seen = BIO_read(sbio, sbuf, BUFSIZZ);
2257 BIO_printf(bio_err, "BIO_read failed\n");
2261 if (!strstr(sbuf, "<proceed"))
2268 static const unsigned char tls_do[] = {
2269 /* IAC DO START_TLS */
2272 static const unsigned char tls_will[] = {
2273 /* IAC WILL START_TLS */
2276 static const unsigned char tls_follows[] = {
2277 /* IAC SB START_TLS FOLLOWS IAC SE */
2278 255, 250, 46, 1, 255, 240
2282 /* Telnet server should demand we issue START_TLS */
2283 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
2284 if (bytes != 3 || memcmp(mbuf, tls_do, 3) != 0)
2286 /* Agree to issue START_TLS and send the FOLLOWS sub-command */
2287 BIO_write(sbio, tls_will, 3);
2288 BIO_write(sbio, tls_follows, 6);
2289 (void)BIO_flush(sbio);
2290 /* Telnet server also sent the FOLLOWS sub-command */
2291 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
2292 if (bytes != 6 || memcmp(mbuf, tls_follows, 6) != 0)
2297 /* Here we must use the connect string target host & port */
2298 if (!OSSL_HTTP_proxy_connect(sbio, thost, tport, proxyuser, proxypass,
2299 0 /* no timeout */, bio_err, prog))
2305 BIO *fbio = BIO_new(BIO_f_buffer());
2307 BIO_push(fbio, sbio);
2308 BIO_printf(fbio, "STARTTLS\r\n");
2309 (void)BIO_flush(fbio);
2310 width = SSL_get_fd(con) + 1;
2316 openssl_fdset(SSL_get_fd(con), &readfds);
2317 timeout.tv_sec = S_CLIENT_IRC_READ_TIMEOUT;
2318 timeout.tv_usec = 0;
2320 * If the IRCd doesn't respond within
2321 * S_CLIENT_IRC_READ_TIMEOUT seconds, assume
2322 * it doesn't support STARTTLS. Many IRCds
2323 * will not give _any_ sort of response to a
2324 * STARTTLS command when it's not supported.
2326 if (!BIO_get_buffer_num_lines(fbio)
2327 && !BIO_pending(fbio)
2328 && !BIO_pending(sbio)
2329 && select(width, (void *)&readfds, NULL, NULL,
2332 "Timeout waiting for response (%d seconds).\n",
2333 S_CLIENT_IRC_READ_TIMEOUT);
2337 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2338 if (mbuf_len < 1 || sscanf(mbuf, "%*s %d", &numeric) != 1)
2340 /* :example.net 451 STARTTLS :You have not registered */
2341 /* :example.net 421 STARTTLS :Unknown command */
2342 if ((numeric == 451 || numeric == 421)
2343 && strstr(mbuf, "STARTTLS") != NULL) {
2344 BIO_printf(bio_err, "STARTTLS not supported: %s", mbuf);
2347 if (numeric == 691) {
2348 BIO_printf(bio_err, "STARTTLS negotiation failed: ");
2349 ERR_print_errors(bio_err);
2352 } while (numeric != 670);
2354 (void)BIO_flush(fbio);
2357 if (numeric != 670) {
2358 BIO_printf(bio_err, "Server does not support STARTTLS.\n");
2366 /* SSL request packet */
2367 static const unsigned char ssl_req[] = {
2368 /* payload_length, sequence_id */
2369 0x20, 0x00, 0x00, 0x01,
2371 /* capability flags, CLIENT_SSL always set */
2372 0x85, 0xae, 0x7f, 0x00,
2373 /* max-packet size */
2374 0x00, 0x00, 0x00, 0x01,
2377 /* string[23] reserved (all [0]) */
2378 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
2379 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
2380 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
2383 int ssl_flg = 0x800;
2385 const unsigned char *packet = (const unsigned char *)sbuf;
2387 /* Receiving Initial Handshake packet. */
2388 bytes = BIO_read(sbio, (void *)packet, BUFSIZZ);
2390 BIO_printf(bio_err, "BIO_read failed\n");
2392 /* Packet length[3], Packet number[1] + minimum payload[17] */
2393 } else if (bytes < 21) {
2394 BIO_printf(bio_err, "MySQL packet too short.\n");
2396 } else if (bytes != (4 + packet[0] +
2398 (packet[2] << 16))) {
2399 BIO_printf(bio_err, "MySQL packet length does not match.\n");
2401 /* protocol version[1] */
2402 } else if (packet[4] != 0xA) {
2404 "Only MySQL protocol version 10 is supported.\n");
2409 /* server version[string+NULL] */
2412 BIO_printf(bio_err, "Cannot confirm server version. ");
2414 } else if (packet[pos++] == '\0') {
2419 /* make sure we have at least 15 bytes left in the packet */
2420 if (pos + 15 > bytes) {
2422 "MySQL server handshake packet is broken.\n");
2426 pos += 12; /* skip over conn id[4] + SALT[8] */
2427 if (packet[pos++] != '\0') { /* verify filler */
2429 "MySQL packet is broken.\n");
2433 /* capability flags[2] */
2434 if (!((packet[pos] + (packet[pos + 1] << 8)) & ssl_flg)) {
2435 BIO_printf(bio_err, "MySQL server does not support SSL.\n");
2439 /* Sending SSL Handshake packet. */
2440 BIO_write(sbio, ssl_req, sizeof(ssl_req));
2441 (void)BIO_flush(sbio);
2444 case PROTO_POSTGRES:
2446 static const unsigned char ssl_request[] = {
2447 /* Length SSLRequest */
2448 0, 0, 0, 8, 4, 210, 22, 47
2452 /* Send SSLRequest packet */
2453 BIO_write(sbio, ssl_request, 8);
2454 (void)BIO_flush(sbio);
2456 /* Reply will be a single S if SSL is enabled */
2457 bytes = BIO_read(sbio, sbuf, BUFSIZZ);
2458 if (bytes != 1 || sbuf[0] != 'S')
2465 BIO *fbio = BIO_new(BIO_f_buffer());
2467 BIO_push(fbio, sbio);
2468 BIO_gets(fbio, mbuf, BUFSIZZ);
2469 /* STARTTLS command requires CAPABILITIES... */
2470 BIO_printf(fbio, "CAPABILITIES\r\n");
2471 (void)BIO_flush(fbio);
2472 BIO_gets(fbio, mbuf, BUFSIZZ);
2473 /* no point in trying to parse the CAPABILITIES response if there is none */
2474 if (strstr(mbuf, "101") != NULL) {
2475 /* wait for multi-line CAPABILITIES response */
2477 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2478 if (strstr(mbuf, "STARTTLS"))
2480 } while (mbuf_len > 1 && mbuf[0] != '.');
2482 (void)BIO_flush(fbio);
2487 "Didn't find STARTTLS in server response,"
2488 " trying anyway...\n");
2489 BIO_printf(sbio, "STARTTLS\r\n");
2490 mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ);
2492 BIO_printf(bio_err, "BIO_read failed\n");
2495 mbuf[mbuf_len] = '\0';
2496 if (strstr(mbuf, "382") == NULL) {
2497 BIO_printf(bio_err, "STARTTLS failed: %s", mbuf);
2505 BIO *fbio = BIO_new(BIO_f_buffer());
2507 BIO_push(fbio, sbio);
2508 /* wait for multi-line response to end from Sieve */
2510 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2512 * According to RFC 5804 § 1.7, capability
2513 * is case-insensitive, make it uppercase
2515 if (mbuf_len > 1 && mbuf[0] == '"') {
2516 make_uppercase(mbuf);
2517 if (strncmp(mbuf, "\"STARTTLS\"", 10) == 0)
2520 } while (mbuf_len > 1 && mbuf[0] == '"');
2521 (void)BIO_flush(fbio);
2526 "Didn't find STARTTLS in server response,"
2527 " trying anyway...\n");
2528 BIO_printf(sbio, "STARTTLS\r\n");
2529 mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ);
2531 BIO_printf(bio_err, "BIO_read failed\n");
2534 mbuf[mbuf_len] = '\0';
2536 BIO_printf(bio_err, "STARTTLS failed: %s", mbuf);
2540 * According to RFC 5804 § 2.2, response codes are case-
2541 * insensitive, make it uppercase but preserve the response.
2543 strncpy(sbuf, mbuf, 2);
2544 make_uppercase(sbuf);
2545 if (strncmp(sbuf, "OK", 2) != 0) {
2546 BIO_printf(bio_err, "STARTTLS not supported: %s", mbuf);
2553 /* StartTLS Operation according to RFC 4511 */
2554 static char ldap_tls_genconf[] = "asn1=SEQUENCE:LDAPMessage\n"
2556 "messageID=INTEGER:1\n"
2557 "extendedReq=EXPLICIT:23A,IMPLICIT:0C,"
2558 "FORMAT:ASCII,OCT:1.3.6.1.4.1.1466.20037\n";
2560 char *genstr = NULL;
2562 ASN1_TYPE *atyp = NULL;
2563 BIO *ldapbio = BIO_new(BIO_s_mem());
2564 CONF *cnf = NCONF_new(NULL);
2570 BIO_puts(ldapbio, ldap_tls_genconf);
2571 if (NCONF_load_bio(cnf, ldapbio, &errline) <= 0) {
2575 BIO_printf(bio_err, "NCONF_load_bio failed\n");
2578 BIO_printf(bio_err, "Error on line %ld\n", errline);
2583 genstr = NCONF_get_string(cnf, "default", "asn1");
2584 if (genstr == NULL) {
2586 BIO_printf(bio_err, "NCONF_get_string failed\n");
2589 atyp = ASN1_generate_nconf(genstr, cnf);
2592 BIO_printf(bio_err, "ASN1_generate_nconf failed\n");
2597 /* Send SSLRequest packet */
2598 BIO_write(sbio, atyp->value.sequence->data,
2599 atyp->value.sequence->length);
2600 (void)BIO_flush(sbio);
2601 ASN1_TYPE_free(atyp);
2603 mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ);
2605 BIO_printf(bio_err, "BIO_read failed\n");
2608 result = ldap_ExtendedResponse_parse(mbuf, mbuf_len);
2610 BIO_printf(bio_err, "ldap_ExtendedResponse_parse failed\n");
2612 } else if (result > 0) {
2613 BIO_printf(bio_err, "STARTTLS failed, LDAP Result Code: %i\n",
2622 if (early_data_file != NULL
2623 && ((SSL_get0_session(con) != NULL
2624 && SSL_SESSION_get_max_early_data(SSL_get0_session(con)) > 0)
2626 && SSL_SESSION_get_max_early_data(psksess) > 0))) {
2627 BIO *edfile = BIO_new_file(early_data_file, "r");
2628 size_t readbytes, writtenbytes;
2631 if (edfile == NULL) {
2632 BIO_printf(bio_err, "Cannot open early data file\n");
2637 if (!BIO_read_ex(edfile, cbuf, BUFSIZZ, &readbytes))
2640 while (!SSL_write_early_data(con, cbuf, readbytes, &writtenbytes)) {
2641 switch (SSL_get_error(con, 0)) {
2642 case SSL_ERROR_WANT_WRITE:
2643 case SSL_ERROR_WANT_ASYNC:
2644 case SSL_ERROR_WANT_READ:
2645 /* Just keep trying - busy waiting */
2648 BIO_printf(bio_err, "Error writing early data\n");
2650 ERR_print_errors(bio_err);
2663 if (SSL_is_dtls(con) && DTLSv1_get_timeout(con, &timeout))
2664 timeoutp = &timeout;
2668 if (!SSL_is_init_finished(con) && SSL_total_renegotiations(con) == 0
2669 && SSL_get_key_update_type(con) == SSL_KEY_UPDATE_NONE) {
2678 BIO_puts(bio_err, "CONNECTION ESTABLISHED\n");
2679 print_ssl_summary(con);
2682 print_stuff(bio_c_out, con, full_log);
2686 if (starttls_proto) {
2687 BIO_write(bio_err, mbuf, mbuf_len);
2688 /* We don't need to know any more */
2690 starttls_proto = PROTO_OFF;
2695 BIO_printf(bio_c_out,
2696 "drop connection and then reconnect\n");
2697 do_ssl_shutdown(con);
2698 SSL_set_connect_state(con);
2699 BIO_closesocket(SSL_get_fd(con));
2705 ssl_pending = read_ssl && SSL_has_pending(con);
2708 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
2711 * Note that select() returns when read _would not block_,
2712 * and EOF satisfies that. To avoid a CPU-hogging loop,
2713 * set the flag so we exit.
2715 if (read_tty && !at_eof)
2716 openssl_fdset(fileno_stdin(), &readfds);
2717 #if !defined(OPENSSL_SYS_VMS)
2719 openssl_fdset(fileno_stdout(), &writefds);
2723 openssl_fdset(SSL_get_fd(con), &readfds);
2725 openssl_fdset(SSL_get_fd(con), &writefds);
2727 if (!tty_on || !write_tty) {
2729 openssl_fdset(SSL_get_fd(con), &readfds);
2731 openssl_fdset(SSL_get_fd(con), &writefds);
2736 * Note: under VMS with SOCKETSHR the second parameter is
2737 * currently of type (int *) whereas under other systems it is
2738 * (void *) if you don't have a cast it will choke the compiler:
2739 * if you do have a cast then you can either go for (int *) or
2742 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2744 * Under Windows/DOS we make the assumption that we can always
2745 * write to the tty: therefore if we need to write to the tty we
2746 * just fall through. Otherwise we timeout the select every
2747 * second and see if there are any keypresses. Note: this is a
2748 * hack, in a proper Windows application we wouldn't do this.
2755 i = select(width, (void *)&readfds, (void *)&writefds,
2757 if (!i && (!has_stdin_waiting() || !read_tty))
2760 i = select(width, (void *)&readfds, (void *)&writefds,
2764 i = select(width, (void *)&readfds, (void *)&writefds,
2768 BIO_printf(bio_err, "bad select %d\n",
2769 get_last_socket_error());
2774 if (SSL_is_dtls(con) && DTLSv1_handle_timeout(con) > 0)
2775 BIO_printf(bio_err, "TIMEOUT occurred\n");
2777 if (!ssl_pending && FD_ISSET(SSL_get_fd(con), &writefds)) {
2778 k = SSL_write(con, &(cbuf[cbuf_off]), (unsigned int)cbuf_len);
2779 switch (SSL_get_error(con, k)) {
2780 case SSL_ERROR_NONE:
2785 /* we have done a write(con,NULL,0); */
2786 if (cbuf_len <= 0) {
2789 } else { /* if (cbuf_len > 0) */
2795 case SSL_ERROR_WANT_WRITE:
2796 BIO_printf(bio_c_out, "write W BLOCK\n");
2800 case SSL_ERROR_WANT_ASYNC:
2801 BIO_printf(bio_c_out, "write A BLOCK\n");
2802 wait_for_async(con);
2806 case SSL_ERROR_WANT_READ:
2807 BIO_printf(bio_c_out, "write R BLOCK\n");
2812 case SSL_ERROR_WANT_X509_LOOKUP:
2813 BIO_printf(bio_c_out, "write X BLOCK\n");
2815 case SSL_ERROR_ZERO_RETURN:
2816 if (cbuf_len != 0) {
2817 BIO_printf(bio_c_out, "shutdown\n");
2826 case SSL_ERROR_SYSCALL:
2827 if ((k != 0) || (cbuf_len != 0)) {
2828 BIO_printf(bio_err, "write:errno=%d\n",
2829 get_last_socket_error());
2836 case SSL_ERROR_WANT_ASYNC_JOB:
2837 /* This shouldn't ever happen in s_client - treat as an error */
2839 ERR_print_errors(bio_err);
2843 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_VMS)
2844 /* Assume Windows/DOS/BeOS can always write */
2845 else if (!ssl_pending && write_tty)
2847 else if (!ssl_pending && FD_ISSET(fileno_stdout(), &writefds))
2850 #ifdef CHARSET_EBCDIC
2851 ascii2ebcdic(&(sbuf[sbuf_off]), &(sbuf[sbuf_off]), sbuf_len);
2853 i = raw_write_stdout(&(sbuf[sbuf_off]), sbuf_len);
2856 BIO_printf(bio_c_out, "DONE\n");
2863 if (sbuf_len <= 0) {
2867 } else if (ssl_pending || FD_ISSET(SSL_get_fd(con), &readfds)) {
2872 SSL_renegotiate(con);
2877 k = SSL_read(con, sbuf, 1024 /* BUFSIZZ */ );
2879 switch (SSL_get_error(con, k)) {
2880 case SSL_ERROR_NONE:
2889 case SSL_ERROR_WANT_ASYNC:
2890 BIO_printf(bio_c_out, "read A BLOCK\n");
2891 wait_for_async(con);
2894 if ((read_tty == 0) && (write_ssl == 0))
2897 case SSL_ERROR_WANT_WRITE:
2898 BIO_printf(bio_c_out, "read W BLOCK\n");
2902 case SSL_ERROR_WANT_READ:
2903 BIO_printf(bio_c_out, "read R BLOCK\n");
2906 if ((read_tty == 0) && (write_ssl == 0))
2909 case SSL_ERROR_WANT_X509_LOOKUP:
2910 BIO_printf(bio_c_out, "read X BLOCK\n");
2912 case SSL_ERROR_SYSCALL:
2913 ret = get_last_socket_error();
2915 BIO_puts(bio_err, "CONNECTION CLOSED BY SERVER\n");
2917 BIO_printf(bio_err, "read:errno=%d\n", ret);
2919 case SSL_ERROR_ZERO_RETURN:
2920 BIO_printf(bio_c_out, "closed\n");
2923 case SSL_ERROR_WANT_ASYNC_JOB:
2924 /* This shouldn't ever happen in s_client. Treat as an error */
2926 ERR_print_errors(bio_err);
2930 /* OPENSSL_SYS_MSDOS includes OPENSSL_SYS_WINDOWS */
2931 #if defined(OPENSSL_SYS_MSDOS)
2932 else if (has_stdin_waiting())
2934 else if (FD_ISSET(fileno_stdin(), &readfds))
2940 i = raw_read_stdin(cbuf, BUFSIZZ / 2);
2942 /* both loops are skipped when i <= 0 */
2943 for (j = 0; j < i; j++)
2944 if (cbuf[j] == '\n')
2946 for (j = i - 1; j >= 0; j--) {
2947 cbuf[j + lf_num] = cbuf[j];
2948 if (cbuf[j] == '\n') {
2951 cbuf[j + lf_num] = '\r';
2954 assert(lf_num == 0);
2956 i = raw_read_stdin(cbuf, BUFSIZZ);
2957 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
2962 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q' && cmdletters))) {
2963 BIO_printf(bio_err, "DONE\n");
2968 if ((!c_ign_eof) && (cbuf[0] == 'R' && cmdletters)) {
2969 BIO_printf(bio_err, "RENEGOTIATING\n");
2970 SSL_renegotiate(con);
2972 } else if (!c_ign_eof && (cbuf[0] == 'K' || cbuf[0] == 'k' )
2974 BIO_printf(bio_err, "KEYUPDATE\n");
2976 cbuf[0] == 'K' ? SSL_KEY_UPDATE_REQUESTED
2977 : SSL_KEY_UPDATE_NOT_REQUESTED);
2982 #ifdef CHARSET_EBCDIC
2983 ebcdic2ascii(cbuf, cbuf, i);
2995 print_stuff(bio_c_out, con, full_log);
2996 do_ssl_shutdown(con);
2999 * If we ended with an alert being sent, but still with data in the
3000 * network buffer to be read, then calling BIO_closesocket() will
3001 * result in a TCP-RST being sent. On some platforms (notably
3002 * Windows) then this will result in the peer immediately abandoning
3003 * the connection including any buffered alert data before it has
3004 * had a chance to be read. Shutting down the sending side first,
3005 * and then closing the socket sends TCP-FIN first followed by
3006 * TCP-RST. This seems to allow the peer to read the alert data.
3008 shutdown(SSL_get_fd(con), 1); /* SHUT_WR */
3010 * We just said we have nothing else to say, but it doesn't mean that
3011 * the other side has nothing. It's even recommended to consume incoming
3012 * data. [In testing context this ensures that alerts are passed on...]
3015 timeout.tv_usec = 500000; /* some extreme round-trip */
3018 openssl_fdset(sock, &readfds);
3019 } while (select(sock + 1, &readfds, NULL, NULL, &timeout) > 0
3020 && BIO_read(sbio, sbuf, BUFSIZZ) > 0);
3022 BIO_closesocket(SSL_get_fd(con));
3026 print_stuff(bio_c_out, con, 1);
3029 SSL_SESSION_free(psksess);
3030 #if !defined(OPENSSL_NO_NEXTPROTONEG)
3031 OPENSSL_free(next_proto.data);
3034 set_keylog_file(NULL, NULL);
3036 sk_X509_CRL_pop_free(crls, X509_CRL_free);
3038 sk_X509_pop_free(chain, X509_free);
3040 #ifndef OPENSSL_NO_SRP
3041 OPENSSL_free(srp_arg.srppassin);
3043 OPENSSL_free(connectstr);
3044 OPENSSL_free(bindstr);
3047 OPENSSL_free(thost);
3048 OPENSSL_free(tport);
3049 X509_VERIFY_PARAM_free(vpm);
3050 ssl_excert_free(exc);
3051 sk_OPENSSL_STRING_free(ssl_args);
3052 sk_OPENSSL_STRING_free(dane_tlsa_rrset);
3053 SSL_CONF_CTX_free(cctx);
3054 OPENSSL_clear_free(cbuf, BUFSIZZ);
3055 OPENSSL_clear_free(sbuf, BUFSIZZ);
3056 OPENSSL_clear_free(mbuf, BUFSIZZ);
3057 clear_free(proxypass);
3059 BIO_free(bio_c_out);
3061 BIO_free(bio_c_msg);
3066 static void print_stuff(BIO *bio, SSL *s, int full)
3070 const SSL_CIPHER *c;
3071 EVP_PKEY *public_key;
3072 int i, istls13 = (SSL_version(s) == TLS1_3_VERSION);
3074 #ifndef OPENSSL_NO_COMP
3075 const COMP_METHOD *comp, *expansion;
3077 unsigned char *exportedkeymat;
3078 #ifndef OPENSSL_NO_CT
3079 const SSL_CTX *ctx = SSL_get_SSL_CTX(s);
3083 int got_a_chain = 0;
3085 sk = SSL_get_peer_cert_chain(s);
3089 BIO_printf(bio, "---\nCertificate chain\n");
3090 for (i = 0; i < sk_X509_num(sk); i++) {
3091 BIO_printf(bio, "%2d s:", i);
3092 X509_NAME_print_ex(bio, X509_get_subject_name(sk_X509_value(sk, i)), 0, get_nameopt());
3093 BIO_puts(bio, "\n");
3094 BIO_printf(bio, " i:");
3095 X509_NAME_print_ex(bio, X509_get_issuer_name(sk_X509_value(sk, i)), 0, get_nameopt());
3096 BIO_puts(bio, "\n");
3097 public_key = X509_get_pubkey(sk_X509_value(sk, i));
3098 if (public_key != NULL) {
3099 BIO_printf(bio, " a:PKEY: %s, %d (bit); sigalg: %s\n",
3100 OBJ_nid2sn(EVP_PKEY_base_id(public_key)),
3101 EVP_PKEY_bits(public_key),
3102 OBJ_nid2sn(X509_get_signature_nid(sk_X509_value(sk, i))));
3103 EVP_PKEY_free(public_key);
3105 BIO_printf(bio, " v:NotBefore: ");
3106 ASN1_TIME_print(bio, X509_get0_notBefore(sk_X509_value(sk, i)));
3107 BIO_printf(bio, "; NotAfter: ");
3108 ASN1_TIME_print(bio, X509_get0_notAfter(sk_X509_value(sk, i)));
3109 BIO_puts(bio, "\n");
3111 PEM_write_bio_X509(bio, sk_X509_value(sk, i));
3115 BIO_printf(bio, "---\n");
3116 peer = SSL_get0_peer_certificate(s);
3118 BIO_printf(bio, "Server certificate\n");
3120 /* Redundant if we showed the whole chain */
3121 if (!(c_showcerts && got_a_chain))
3122 PEM_write_bio_X509(bio, peer);
3123 dump_cert_text(bio, peer);
3125 BIO_printf(bio, "no peer certificate available\n");
3127 print_ca_names(bio, s);
3129 ssl_print_sigalgs(bio, s);
3130 ssl_print_tmp_key(bio, s);
3132 #ifndef OPENSSL_NO_CT
3134 * When the SSL session is anonymous, or resumed via an abbreviated
3135 * handshake, no SCTs are provided as part of the handshake. While in
3136 * a resumed session SCTs may be present in the session's certificate,
3137 * no callbacks are invoked to revalidate these, and in any case that
3138 * set of SCTs may be incomplete. Thus it makes little sense to
3139 * attempt to display SCTs from a resumed session's certificate, and of
3140 * course none are associated with an anonymous peer.
3142 if (peer != NULL && !SSL_session_reused(s) && SSL_ct_is_enabled(s)) {
3143 const STACK_OF(SCT) *scts = SSL_get0_peer_scts(s);
3144 int sct_count = scts != NULL ? sk_SCT_num(scts) : 0;
3146 BIO_printf(bio, "---\nSCTs present (%i)\n", sct_count);
3147 if (sct_count > 0) {
3148 const CTLOG_STORE *log_store = SSL_CTX_get0_ctlog_store(ctx);
3150 BIO_printf(bio, "---\n");
3151 for (i = 0; i < sct_count; ++i) {
3152 SCT *sct = sk_SCT_value(scts, i);
3154 BIO_printf(bio, "SCT validation status: %s\n",
3155 SCT_validation_status_string(sct));
3156 SCT_print(sct, bio, 0, log_store);
3157 if (i < sct_count - 1)
3158 BIO_printf(bio, "\n---\n");
3160 BIO_printf(bio, "\n");
3166 "---\nSSL handshake has read %ju bytes "
3167 "and written %ju bytes\n",
3168 BIO_number_read(SSL_get_rbio(s)),
3169 BIO_number_written(SSL_get_wbio(s)));
3171 print_verify_detail(s, bio);
3172 BIO_printf(bio, (SSL_session_reused(s) ? "---\nReused, " : "---\nNew, "));
3173 c = SSL_get_current_cipher(s);
3174 BIO_printf(bio, "%s, Cipher is %s\n",
3175 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
3179 pktmp = X509_get0_pubkey(peer);
3180 BIO_printf(bio, "Server public key is %d bit\n",
3181 EVP_PKEY_bits(pktmp));
3183 BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
3184 SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
3185 #ifndef OPENSSL_NO_COMP
3186 comp = SSL_get_current_compression(s);
3187 expansion = SSL_get_current_expansion(s);
3188 BIO_printf(bio, "Compression: %s\n",
3189 comp ? SSL_COMP_get_name(comp) : "NONE");
3190 BIO_printf(bio, "Expansion: %s\n",
3191 expansion ? SSL_COMP_get_name(expansion) : "NONE");
3193 #ifndef OPENSSL_NO_KTLS
3194 if (BIO_get_ktls_send(SSL_get_wbio(s)))
3195 BIO_printf(bio_err, "Using Kernel TLS for sending\n");
3196 if (BIO_get_ktls_recv(SSL_get_rbio(s)))
3197 BIO_printf(bio_err, "Using Kernel TLS for receiving\n");
3200 if (OSSL_TRACE_ENABLED(TLS)) {
3201 /* Print out local port of connection: useful for debugging */
3203 union BIO_sock_info_u info;
3205 sock = SSL_get_fd(s);
3206 if ((info.addr = BIO_ADDR_new()) != NULL
3207 && BIO_sock_info(sock, BIO_SOCK_INFO_ADDRESS, &info)) {
3208 BIO_printf(bio_c_out, "LOCAL PORT is %u\n",
3209 ntohs(BIO_ADDR_rawport(info.addr)));
3211 BIO_ADDR_free(info.addr);
3214 #if !defined(OPENSSL_NO_NEXTPROTONEG)
3215 if (next_proto.status != -1) {
3216 const unsigned char *proto;
3217 unsigned int proto_len;
3218 SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
3219 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
3220 BIO_write(bio, proto, proto_len);
3221 BIO_write(bio, "\n", 1);
3225 const unsigned char *proto;
3226 unsigned int proto_len;
3227 SSL_get0_alpn_selected(s, &proto, &proto_len);
3228 if (proto_len > 0) {
3229 BIO_printf(bio, "ALPN protocol: ");
3230 BIO_write(bio, proto, proto_len);
3231 BIO_write(bio, "\n", 1);
3233 BIO_printf(bio, "No ALPN negotiated\n");
3236 #ifndef OPENSSL_NO_SRTP
3238 SRTP_PROTECTION_PROFILE *srtp_profile =
3239 SSL_get_selected_srtp_profile(s);
3242 BIO_printf(bio, "SRTP Extension negotiated, profile=%s\n",
3243 srtp_profile->name);
3248 switch (SSL_get_early_data_status(s)) {
3249 case SSL_EARLY_DATA_NOT_SENT:
3250 BIO_printf(bio, "Early data was not sent\n");
3253 case SSL_EARLY_DATA_REJECTED:
3254 BIO_printf(bio, "Early data was rejected\n");
3257 case SSL_EARLY_DATA_ACCEPTED:
3258 BIO_printf(bio, "Early data was accepted\n");
3264 * We also print the verify results when we dump session information,
3265 * but in TLSv1.3 we may not get that right away (or at all) depending
3266 * on when we get a NewSessionTicket. Therefore we print it now as well.
3268 verify_result = SSL_get_verify_result(s);
3269 BIO_printf(bio, "Verify return code: %ld (%s)\n", verify_result,
3270 X509_verify_cert_error_string(verify_result));
3272 /* In TLSv1.3 we do this on arrival of a NewSessionTicket */
3273 SSL_SESSION_print(bio, SSL_get_session(s));
3276 if (SSL_get_session(s) != NULL && keymatexportlabel != NULL) {
3277 BIO_printf(bio, "Keying material exporter:\n");
3278 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel);
3279 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen);
3280 exportedkeymat = app_malloc(keymatexportlen, "export key");
3281 if (!SSL_export_keying_material(s, exportedkeymat,
3284 strlen(keymatexportlabel),
3286 BIO_printf(bio, " Error\n");
3288 BIO_printf(bio, " Keying material: ");
3289 for (i = 0; i < keymatexportlen; i++)
3290 BIO_printf(bio, "%02X", exportedkeymat[i]);
3291 BIO_printf(bio, "\n");
3293 OPENSSL_free(exportedkeymat);
3295 BIO_printf(bio, "---\n");
3296 /* flush, or debugging output gets mixed with http response */
3297 (void)BIO_flush(bio);
3300 # ifndef OPENSSL_NO_OCSP
3301 static int ocsp_resp_cb(SSL *s, void *arg)
3303 const unsigned char *p;
3306 len = SSL_get_tlsext_status_ocsp_resp(s, &p);
3307 BIO_puts(arg, "OCSP response: ");
3309 BIO_puts(arg, "no response sent\n");
3312 rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
3314 BIO_puts(arg, "response parse error\n");
3315 BIO_dump_indent(arg, (char *)p, len, 4);
3318 BIO_puts(arg, "\n======================================\n");
3319 OCSP_RESPONSE_print(arg, rsp, 0);
3320 BIO_puts(arg, "======================================\n");
3321 OCSP_RESPONSE_free(rsp);
3326 static int ldap_ExtendedResponse_parse(const char *buf, long rem)
3328 const unsigned char *cur, *end;
3330 int tag, xclass, inf, ret = -1;
3332 cur = (const unsigned char *)buf;
3338 * LDAPMessage ::= SEQUENCE {
3339 * messageID MessageID,
3340 * protocolOp CHOICE {
3342 * extendedResp ExtendedResponse,
3344 * controls [0] Controls OPTIONAL }
3346 * ExtendedResponse ::= [APPLICATION 24] SEQUENCE {
3347 * COMPONENTS OF LDAPResult,
3348 * responseName [10] LDAPOID OPTIONAL,
3349 * responseValue [11] OCTET STRING OPTIONAL }
3351 * LDAPResult ::= SEQUENCE {
3352 * resultCode ENUMERATED {
3358 * diagnosticMessage LDAPString,
3359 * referral [3] Referral OPTIONAL }
3363 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3364 if (inf != V_ASN1_CONSTRUCTED || tag != V_ASN1_SEQUENCE ||
3365 (rem = end - cur, len > rem)) {
3366 BIO_printf(bio_err, "Unexpected LDAP response\n");
3370 rem = len; /* ensure that we don't overstep the SEQUENCE */
3372 /* pull MessageID */
3373 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3374 if (inf != V_ASN1_UNIVERSAL || tag != V_ASN1_INTEGER ||
3375 (rem = end - cur, len > rem)) {
3376 BIO_printf(bio_err, "No MessageID\n");
3380 cur += len; /* shall we check for MessageId match or just skip? */
3382 /* pull [APPLICATION 24] */
3384 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3385 if (inf != V_ASN1_CONSTRUCTED || xclass != V_ASN1_APPLICATION ||
3387 BIO_printf(bio_err, "Not ExtendedResponse\n");
3391 /* pull resultCode */
3393 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3394 if (inf != V_ASN1_UNIVERSAL || tag != V_ASN1_ENUMERATED || len == 0 ||
3395 (rem = end - cur, len > rem)) {
3396 BIO_printf(bio_err, "Not LDAPResult\n");
3400 /* len should always be one, but just in case... */
3401 for (ret = 0, inf = 0; inf < len; inf++) {
3405 /* There is more data, but we don't care... */
3411 * Host dNS Name verifier: used for checking that the hostname is in dNS format
3412 * before setting it as SNI
3414 static int is_dNS_name(const char *host)
3416 const size_t MAX_LABEL_LENGTH = 63;
3419 size_t length = strlen(host);
3420 size_t label_length = 0;
3421 int all_numeric = 1;
3424 * Deviation from strict DNS name syntax, also check names with '_'
3425 * Check DNS name syntax, any '-' or '.' must be internal,
3426 * and on either side of each '.' we can't have a '-' or '.'.
3428 * If the name has just one label, we don't consider it a DNS name.
3430 for (i = 0; i < length && label_length < MAX_LABEL_LENGTH; ++i) {
3433 if ((c >= 'a' && c <= 'z')
3434 || (c >= 'A' && c <= 'Z')
3441 if (c >= '0' && c <= '9') {
3446 /* Dot and hyphen cannot be first or last. */
3447 if (i > 0 && i < length - 1) {
3453 * Next to a dot the preceding and following characters must not be
3454 * another dot or a hyphen. Otherwise, record that the name is
3455 * plausible, since it has two or more labels.
3458 && host[i + 1] != '.'
3459 && host[i - 1] != '-'
3460 && host[i + 1] != '-') {
3470 /* dNS name must not be all numeric and labels must be shorter than 64 characters. */
3471 isdnsname &= !all_numeric && !(label_length == MAX_LABEL_LENGTH);
3475 #endif /* OPENSSL_NO_SOCK */