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,
471 OPT_R_ENUM, OPT_PROV_ENUM
474 const OPTIONS s_client_options[] = {
475 {OPT_HELP_STR, 1, '-', "Usage: %s [options] [host:port]\n"},
477 OPT_SECTION("General"),
478 {"help", OPT_HELP, '-', "Display this summary"},
479 #ifndef OPENSSL_NO_ENGINE
480 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
481 {"ssl_client_engine", OPT_SSL_CLIENT_ENGINE, 's',
482 "Specify engine to be used for client certificate operations"},
484 {"ssl_config", OPT_SSL_CONFIG, 's', "Use specified section for SSL_CTX configuration"},
485 #ifndef OPENSSL_NO_CT
486 {"ct", OPT_CT, '-', "Request and parse SCTs (also enables OCSP stapling)"},
487 {"noct", OPT_NOCT, '-', "Do not request or parse SCTs (default)"},
488 {"ctlogfile", OPT_CTLOG_FILE, '<', "CT log list CONF file"},
491 OPT_SECTION("Network"),
492 {"host", OPT_HOST, 's', "Use -connect instead"},
493 {"port", OPT_PORT, 'p', "Use -connect instead"},
494 {"connect", OPT_CONNECT, 's',
495 "TCP/IP where to connect; default: " PORT ")"},
496 {"bind", OPT_BIND, 's', "bind local address for connection"},
497 {"proxy", OPT_PROXY, 's',
498 "Connect to via specified proxy to the real server"},
499 {"proxy_user", OPT_PROXY_USER, 's', "UserID for proxy authentication"},
500 {"proxy_pass", OPT_PROXY_PASS, 's', "Proxy authentication password source"},
502 {"unix", OPT_UNIX, 's', "Connect over the specified Unix-domain socket"},
504 {"4", OPT_4, '-', "Use IPv4 only"},
506 {"6", OPT_6, '-', "Use IPv6 only"},
508 {"maxfraglen", OPT_MAXFRAGLEN, 'p',
509 "Enable Maximum Fragment Length Negotiation (len values: 512, 1024, 2048 and 4096)"},
510 {"max_send_frag", OPT_MAX_SEND_FRAG, 'p', "Maximum Size of send frames "},
511 {"split_send_frag", OPT_SPLIT_SEND_FRAG, 'p',
512 "Size used to split data for encrypt pipelines"},
513 {"max_pipelines", OPT_MAX_PIPELINES, 'p',
514 "Maximum number of encrypt/decrypt pipelines to be used"},
515 {"read_buf", OPT_READ_BUF, 'p',
516 "Default read buffer size to be used for connections"},
517 {"fallback_scsv", OPT_FALLBACKSCSV, '-', "Send the fallback SCSV"},
519 OPT_SECTION("Identity"),
520 {"cert", OPT_CERT, '<', "Client certificate file to use"},
521 {"certform", OPT_CERTFORM, 'F',
522 "Client certificate file format (PEM/DER/P12); has no effect"},
523 {"cert_chain", OPT_CERT_CHAIN, '<',
524 "Client certificate chain file (in PEM format)"},
525 {"build_chain", OPT_BUILD_CHAIN, '-', "Build client certificate chain"},
526 {"key", OPT_KEY, 's', "Private key file to use; default: -cert file"},
527 {"keyform", OPT_KEYFORM, 'E', "Key format (ENGINE, other values ignored)"},
528 {"pass", OPT_PASS, 's', "Private key and cert file pass phrase source"},
529 {"verify", OPT_VERIFY, 'p', "Turn on peer certificate verification"},
530 {"nameopt", OPT_NAMEOPT, 's', "Certificate subject/issuer name printing options"},
531 {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
532 {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
533 {"CAstore", OPT_CASTORE, ':', "URI to store of CA's"},
534 {"no-CAfile", OPT_NOCAFILE, '-',
535 "Do not load the default certificates file"},
536 {"no-CApath", OPT_NOCAPATH, '-',
537 "Do not load certificates from the default certificates directory"},
538 {"no-CAstore", OPT_NOCASTORE, '-',
539 "Do not load certificates from the default certificates store"},
540 {"requestCAfile", OPT_REQCAFILE, '<',
541 "PEM format file of CA names to send to the server"},
542 {"dane_tlsa_domain", OPT_DANE_TLSA_DOMAIN, 's', "DANE TLSA base domain"},
543 {"dane_tlsa_rrdata", OPT_DANE_TLSA_RRDATA, 's',
544 "DANE TLSA rrdata presentation form"},
545 {"dane_ee_no_namechecks", OPT_DANE_EE_NO_NAME, '-',
546 "Disable name checks when matching DANE-EE(3) TLSA records"},
547 {"psk_identity", OPT_PSK_IDENTITY, 's', "PSK identity"},
548 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"},
549 {"psk_session", OPT_PSK_SESS, '<', "File to read PSK SSL session from"},
550 {"name", OPT_PROTOHOST, 's',
551 "Hostname to use for \"-starttls lmtp\", \"-starttls smtp\" or \"-starttls xmpp[-server]\""},
553 OPT_SECTION("Session"),
554 {"reconnect", OPT_RECONNECT, '-',
555 "Drop and re-make the connection with the same Session-ID"},
556 {"sess_out", OPT_SESS_OUT, '>', "File to write SSL session to"},
557 {"sess_in", OPT_SESS_IN, '<', "File to read SSL session from"},
559 OPT_SECTION("Input/Output"),
560 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"},
561 {"quiet", OPT_QUIET, '-', "No s_client output"},
562 {"ign_eof", OPT_IGN_EOF, '-', "Ignore input eof (default when -quiet)"},
563 {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Don't ignore input eof"},
564 {"starttls", OPT_STARTTLS, 's',
565 "Use the appropriate STARTTLS command before starting TLS"},
566 {"xmpphost", OPT_XMPPHOST, 's',
567 "Alias of -name option for \"-starttls xmpp[-server]\""},
568 {"brief", OPT_BRIEF, '-',
569 "Restrict output to brief summary of connection parameters"},
570 {"prexit", OPT_PREXIT, '-',
571 "Print session information when the program exits"},
573 OPT_SECTION("Debug"),
574 {"showcerts", OPT_SHOWCERTS, '-',
575 "Show all certificates sent by the server"},
576 {"debug", OPT_DEBUG, '-', "Extra output"},
577 {"msg", OPT_MSG, '-', "Show protocol messages"},
578 {"msgfile", OPT_MSGFILE, '>',
579 "File to send output of -msg or -trace, instead of stdout"},
580 {"nbio_test", OPT_NBIO_TEST, '-', "More ssl protocol testing"},
581 {"state", OPT_STATE, '-', "Print the ssl states"},
582 {"keymatexport", OPT_KEYMATEXPORT, 's',
583 "Export keying material using label"},
584 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
585 "Export len bytes of keying material; default 20"},
586 {"security_debug", OPT_SECURITY_DEBUG, '-',
587 "Enable security debug messages"},
588 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-',
589 "Output more security debug output"},
590 #ifndef OPENSSL_NO_SSL_TRACE
591 {"trace", OPT_TRACE, '-', "Show trace output of protocol messages"},
594 {"wdebug", OPT_WDEBUG, '-', "WATT-32 tcp debugging"},
596 {"keylogfile", OPT_KEYLOG_FILE, '>', "Write TLS secrets to file"},
597 {"nocommands", OPT_NOCMDS, '-', "Do not use interactive command letters"},
598 {"servername", OPT_SERVERNAME, 's',
599 "Set TLS extension servername (SNI) in ClientHello (default)"},
600 {"noservername", OPT_NOSERVERNAME, '-',
601 "Do not send the server name (SNI) extension in the ClientHello"},
602 {"tlsextdebug", OPT_TLSEXTDEBUG, '-',
603 "Hex dump of all TLS extensions received"},
604 {"ignore_unexpected_eof", OPT_IGNORE_UNEXPECTED_EOF, '-',
605 "Do not treat lack of close_notify from a peer as an error"},
606 #ifndef OPENSSL_NO_OCSP
607 {"status", OPT_STATUS, '-', "Request certificate status from server"},
609 {"serverinfo", OPT_SERVERINFO, 's',
610 "types Send empty ClientHello extensions (comma-separated numbers)"},
611 {"alpn", OPT_ALPN, 's',
612 "Enable ALPN extension, considering named protocols supported (comma-separated list)"},
613 {"async", OPT_ASYNC, '-', "Support asynchronous operation"},
614 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"},
616 OPT_SECTION("Protocol and version"),
617 #ifndef OPENSSL_NO_SSL3
618 {"ssl3", OPT_SSL3, '-', "Just use SSLv3"},
620 #ifndef OPENSSL_NO_TLS1
621 {"tls1", OPT_TLS1, '-', "Just use TLSv1"},
623 #ifndef OPENSSL_NO_TLS1_1
624 {"tls1_1", OPT_TLS1_1, '-', "Just use TLSv1.1"},
626 #ifndef OPENSSL_NO_TLS1_2
627 {"tls1_2", OPT_TLS1_2, '-', "Just use TLSv1.2"},
629 #ifndef OPENSSL_NO_TLS1_3
630 {"tls1_3", OPT_TLS1_3, '-', "Just use TLSv1.3"},
632 #ifndef OPENSSL_NO_DTLS
633 {"dtls", OPT_DTLS, '-', "Use any version of DTLS"},
634 {"timeout", OPT_TIMEOUT, '-',
635 "Enable send/receive timeout on DTLS connections"},
636 {"mtu", OPT_MTU, 'p', "Set the link layer MTU"},
638 #ifndef OPENSSL_NO_DTLS1
639 {"dtls1", OPT_DTLS1, '-', "Just use DTLSv1"},
641 #ifndef OPENSSL_NO_DTLS1_2
642 {"dtls1_2", OPT_DTLS1_2, '-', "Just use DTLSv1.2"},
644 #ifndef OPENSSL_NO_SCTP
645 {"sctp", OPT_SCTP, '-', "Use SCTP"},
646 {"sctp_label_bug", OPT_SCTP_LABEL_BUG, '-', "Enable SCTP label length bug"},
648 #ifndef OPENSSL_NO_NEXTPROTONEG
649 {"nextprotoneg", OPT_NEXTPROTONEG, 's',
650 "Enable NPN extension, considering named protocols supported (comma-separated list)"},
652 {"early_data", OPT_EARLY_DATA, '<', "File to send as early data"},
653 {"enable_pha", OPT_ENABLE_PHA, '-', "Enable post-handshake-authentication"},
654 #ifndef OPENSSL_NO_SRTP
655 {"use_srtp", OPT_USE_SRTP, 's',
656 "Offer SRTP key management with a colon-separated profile list"},
658 #ifndef OPENSSL_NO_SRP
659 {"srpuser", OPT_SRPUSER, 's', "(deprecated) SRP authentication for 'user'"},
660 {"srppass", OPT_SRPPASS, 's', "(deprecated) Password for 'user'"},
661 {"srp_lateuser", OPT_SRP_LATEUSER, '-',
662 "(deprecated) SRP username into second ClientHello message"},
663 {"srp_moregroups", OPT_SRP_MOREGROUPS, '-',
664 "(deprecated) Tolerate other than the known g N values."},
665 {"srp_strength", OPT_SRP_STRENGTH, 'p',
666 "(deprecated) Minimal length in bits for N"},
668 #ifndef OPENSSL_NO_KTLS
669 {"ktls", OPT_KTLS, '-', "Enable Kernel TLS for sending and receiving"},
675 {"CRL", OPT_CRL, '<', "CRL file to use"},
676 {"crl_download", OPT_CRL_DOWNLOAD, '-', "Download CRL from distribution points"},
677 {"CRLform", OPT_CRLFORM, 'F', "CRL format (PEM or DER); default PEM"},
678 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-',
679 "Close connection on verification error"},
680 {"verify_quiet", OPT_VERIFY_QUIET, '-', "Restrict verify output to errors"},
681 {"chainCAfile", OPT_CHAINCAFILE, '<',
682 "CA file for certificate chain (PEM format)"},
683 {"chainCApath", OPT_CHAINCAPATH, '/',
684 "Use dir as certificate store path to build CA certificate chain"},
685 {"chainCAstore", OPT_CHAINCASTORE, ':',
686 "CA store URI for certificate chain"},
687 {"verifyCAfile", OPT_VERIFYCAFILE, '<',
688 "CA file for certificate verification (PEM format)"},
689 {"verifyCApath", OPT_VERIFYCAPATH, '/',
690 "Use dir as certificate store path to verify CA certificate"},
691 {"verifyCAstore", OPT_VERIFYCASTORE, ':',
692 "CA store URI for certificate verification"},
697 {"host:port", 0, 0, "Where to connect; same as -connect option"},
701 typedef enum PROTOCOL_choice {
720 static const OPT_PAIR services[] = {
721 {"smtp", PROTO_SMTP},
722 {"pop3", PROTO_POP3},
723 {"imap", PROTO_IMAP},
725 {"xmpp", PROTO_XMPP},
726 {"xmpp-server", PROTO_XMPP_SERVER},
727 {"telnet", PROTO_TELNET},
729 {"mysql", PROTO_MYSQL},
730 {"postgres", PROTO_POSTGRES},
731 {"lmtp", PROTO_LMTP},
732 {"nntp", PROTO_NNTP},
733 {"sieve", PROTO_SIEVE},
734 {"ldap", PROTO_LDAP},
738 #define IS_INET_FLAG(o) \
739 (o == OPT_4 || o == OPT_6 || o == OPT_HOST || o == OPT_PORT || o == OPT_CONNECT)
740 #define IS_UNIX_FLAG(o) (o == OPT_UNIX)
742 #define IS_PROT_FLAG(o) \
743 (o == OPT_SSL3 || o == OPT_TLS1 || o == OPT_TLS1_1 || o == OPT_TLS1_2 \
744 || o == OPT_TLS1_3 || o == OPT_DTLS || o == OPT_DTLS1 || o == OPT_DTLS1_2)
746 /* Free |*dest| and optionally set it to a copy of |source|. */
747 static void freeandcopy(char **dest, const char *source)
752 *dest = OPENSSL_strdup(source);
755 static int new_session_cb(SSL *s, SSL_SESSION *sess)
758 if (sess_out != NULL) {
759 BIO *stmp = BIO_new_file(sess_out, "w");
762 BIO_printf(bio_err, "Error writing session file %s\n", sess_out);
764 PEM_write_bio_SSL_SESSION(stmp, sess);
770 * Session data gets dumped on connection for TLSv1.2 and below, and on
771 * arrival of the NewSessionTicket for TLSv1.3.
773 if (SSL_version(s) == TLS1_3_VERSION) {
774 BIO_printf(bio_c_out,
775 "---\nPost-Handshake New Session Ticket arrived:\n");
776 SSL_SESSION_print(bio_c_out, sess);
777 BIO_printf(bio_c_out, "---\n");
781 * We always return a "fail" response so that the session gets freed again
782 * because we haven't used the reference.
787 int s_client_main(int argc, char **argv)
790 EVP_PKEY *key = NULL;
793 STACK_OF(X509) *chain = NULL;
795 X509_VERIFY_PARAM *vpm = NULL;
796 SSL_EXCERT *exc = NULL;
797 SSL_CONF_CTX *cctx = NULL;
798 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
799 char *dane_tlsa_domain = NULL;
800 STACK_OF(OPENSSL_STRING) *dane_tlsa_rrset = NULL;
801 int dane_ee_no_name = 0;
802 STACK_OF(X509_CRL) *crls = NULL;
803 const SSL_METHOD *meth = TLS_client_method();
804 const char *CApath = NULL, *CAfile = NULL, *CAstore = NULL;
805 char *cbuf = NULL, *sbuf = NULL, *mbuf = NULL;
806 char *proxystr = NULL, *proxyuser = NULL;
807 char *proxypassarg = NULL, *proxypass = NULL;
808 char *connectstr = NULL, *bindstr = NULL;
809 char *cert_file = NULL, *key_file = NULL, *chain_file = NULL;
810 char *chCApath = NULL, *chCAfile = NULL, *chCAstore = NULL, *host = NULL;
811 char *thost = NULL, *tport = NULL;
812 char *port = OPENSSL_strdup(PORT);
813 char *bindhost = NULL, *bindport = NULL;
814 char *passarg = NULL, *pass = NULL;
815 char *vfyCApath = NULL, *vfyCAfile = NULL, *vfyCAstore = NULL;
816 char *ReqCAfile = NULL;
817 char *sess_in = NULL, *crl_file = NULL, *p;
818 const char *protohost = NULL;
819 struct timeval timeout, *timeoutp;
820 fd_set readfds, writefds;
821 int noCApath = 0, noCAfile = 0, noCAstore = 0;
822 int build_chain = 0, cbuf_len, cbuf_off, cert_format = FORMAT_UNDEF;
823 int key_format = FORMAT_UNDEF, crlf = 0, full_log = 1, mbuf_len = 0;
826 int reconnect = 0, verify = SSL_VERIFY_NONE, vpmtouched = 0;
827 int ret = 1, in_init = 1, i, nbio_test = 0, sock = -1, k, width, state = 0;
828 int sbuf_len, sbuf_off, cmdletters = 1;
829 int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM, protocol = 0;
830 int starttls_proto = PROTO_OFF, crl_format = FORMAT_UNDEF, crl_download = 0;
831 int write_tty, read_tty, write_ssl, read_ssl, tty_on, ssl_pending;
832 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
835 int read_buf_len = 0;
836 int fallback_scsv = 0;
838 #ifndef OPENSSL_NO_DTLS
839 int enable_timeouts = 0;
842 #ifndef OPENSSL_NO_ENGINE
843 ENGINE *ssl_client_engine = NULL;
846 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
849 const char *servername = NULL;
850 int noservername = 0;
851 const char *alpn_in = NULL;
852 tlsextctx tlsextcbp = { NULL, 0 };
853 const char *ssl_config = NULL;
854 #define MAX_SI_TYPES 100
855 unsigned short serverinfo_types[MAX_SI_TYPES];
856 int serverinfo_count = 0, start = 0, len;
857 #ifndef OPENSSL_NO_NEXTPROTONEG
858 const char *next_proto_neg_in = NULL;
860 #ifndef OPENSSL_NO_SRP
861 char *srppass = NULL;
862 int srp_lateuser = 0;
863 SRP_ARG srp_arg = { NULL, NULL, 0, 0, 0, 1024 };
865 #ifndef OPENSSL_NO_SRTP
866 char *srtp_profiles = NULL;
868 #ifndef OPENSSL_NO_CT
869 char *ctlog_file = NULL;
870 int ct_validation = 0;
872 int min_version = 0, max_version = 0, prot_opt = 0, no_prot_opt = 0;
874 unsigned int max_send_fragment = 0;
875 unsigned int split_send_fragment = 0, max_pipelines = 0;
876 enum { use_inet, use_unix, use_unknown } connect_type = use_unknown;
878 uint8_t maxfraglen = 0;
879 int c_nbio = 0, c_msg = 0, c_ign_eof = 0, c_brief = 0;
880 int c_tlsextdebug = 0;
881 #ifndef OPENSSL_NO_OCSP
882 int c_status_req = 0;
884 BIO *bio_c_msg = NULL;
885 const char *keylog_file = NULL, *early_data_file = NULL;
886 #ifndef OPENSSL_NO_DTLS
889 char *psksessf = NULL;
891 #ifndef OPENSSL_NO_SCTP
892 int sctp_label_bug = 0;
894 int ignore_unexpected_eof = 0;
895 #ifndef OPENSSL_NO_KTLS
901 /* Known false-positive of MemorySanitizer. */
902 #if defined(__has_feature)
903 # if __has_feature(memory_sanitizer)
904 __msan_unpoison(&readfds, sizeof(readfds));
905 __msan_unpoison(&writefds, sizeof(writefds));
913 vpm = X509_VERIFY_PARAM_new();
914 cctx = SSL_CONF_CTX_new();
916 if (vpm == NULL || cctx == NULL) {
917 BIO_printf(bio_err, "%s: out of memory\n", opt_getprog());
921 cbuf = app_malloc(BUFSIZZ, "cbuf");
922 sbuf = app_malloc(BUFSIZZ, "sbuf");
923 mbuf = app_malloc(BUFSIZZ, "mbuf");
925 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT | SSL_CONF_FLAG_CMDLINE);
927 prog = opt_init(argc, argv, s_client_options);
928 while ((o = opt_next()) != OPT_EOF) {
929 /* Check for intermixing flags. */
930 if (connect_type == use_unix && IS_INET_FLAG(o)) {
932 "%s: Intermixed protocol flags (unix and internet domains)\n",
936 if (connect_type == use_inet && IS_UNIX_FLAG(o)) {
938 "%s: Intermixed protocol flags (internet and unix domains)\n",
943 if (IS_PROT_FLAG(o) && ++prot_opt > 1) {
944 BIO_printf(bio_err, "Cannot supply multiple protocol flags\n");
947 if (IS_NO_PROT_FLAG(o))
949 if (prot_opt == 1 && no_prot_opt) {
951 "Cannot supply both a protocol flag and '-no_<prot>'\n");
959 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
962 opt_help(s_client_options);
966 connect_type = use_inet;
967 socket_family = AF_INET;
972 connect_type = use_inet;
973 socket_family = AF_INET6;
978 connect_type = use_inet;
979 freeandcopy(&host, opt_arg());
982 connect_type = use_inet;
983 freeandcopy(&port, opt_arg());
986 connect_type = use_inet;
987 freeandcopy(&connectstr, opt_arg());
990 freeandcopy(&bindstr, opt_arg());
993 proxystr = opt_arg();
994 starttls_proto = PROTO_CONNECT;
997 proxyuser = opt_arg();
1000 proxypassarg = opt_arg();
1004 connect_type = use_unix;
1005 socket_family = AF_UNIX;
1006 freeandcopy(&host, opt_arg());
1010 /* fall through, since this is an alias */
1012 protohost = opt_arg();
1015 verify = SSL_VERIFY_PEER;
1016 verify_args.depth = atoi(opt_arg());
1018 BIO_printf(bio_err, "verify depth is %d\n", verify_args.depth);
1021 cert_file = opt_arg();
1024 if (!set_nameopt(opt_arg()))
1028 crl_file = opt_arg();
1030 case OPT_CRL_DOWNLOAD:
1034 sess_out = opt_arg();
1037 sess_in = opt_arg();
1040 if (!opt_format(opt_arg(), OPT_FMT_ANY, &cert_format))
1044 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
1047 case OPT_VERIFY_RET_ERROR:
1048 verify = SSL_VERIFY_PEER;
1049 verify_args.return_error = 1;
1051 case OPT_VERIFY_QUIET:
1052 verify_args.quiet = 1;
1055 c_brief = verify_args.quiet = c_quiet = 1;
1058 if (ssl_args == NULL)
1059 ssl_args = sk_OPENSSL_STRING_new_null();
1060 if (ssl_args == NULL
1061 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
1062 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
1063 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1068 if (!opt_verify(o, vpm))
1073 if (!args_excert(o, &exc))
1076 case OPT_IGNORE_UNEXPECTED_EOF:
1077 ignore_unexpected_eof = 1;
1086 c_quiet = c_ign_eof = 1;
1095 e = setup_engine(opt_arg(), 1);
1097 case OPT_SSL_CLIENT_ENGINE:
1098 #ifndef OPENSSL_NO_ENGINE
1099 ssl_client_engine = setup_engine(opt_arg(), 0);
1100 if (ssl_client_engine == NULL) {
1101 BIO_printf(bio_err, "Error getting client auth engine\n");
1110 case OPT_PROV_CASES:
1111 if (!opt_provider(o))
1117 case OPT_NO_IGN_EOF:
1123 case OPT_TLSEXTDEBUG:
1127 #ifndef OPENSSL_NO_OCSP
1140 bio_c_msg = BIO_new_file(opt_arg(), "w");
1143 #ifndef OPENSSL_NO_SSL_TRACE
1147 case OPT_SECURITY_DEBUG:
1150 case OPT_SECURITY_DEBUG_VERBOSE:
1162 case OPT_PSK_IDENTITY:
1163 psk_identity = opt_arg();
1166 for (p = psk_key = opt_arg(); *p; p++) {
1167 if (isxdigit(_UC(*p)))
1169 BIO_printf(bio_err, "Not a hex number '%s'\n", psk_key);
1174 psksessf = opt_arg();
1176 #ifndef OPENSSL_NO_SRP
1178 srp_arg.srplogin = opt_arg();
1179 if (min_version < TLS1_VERSION)
1180 min_version = TLS1_VERSION;
1183 srppass = opt_arg();
1184 if (min_version < TLS1_VERSION)
1185 min_version = TLS1_VERSION;
1187 case OPT_SRP_STRENGTH:
1188 srp_arg.strength = atoi(opt_arg());
1189 BIO_printf(bio_err, "SRP minimal length for N is %d\n",
1191 if (min_version < TLS1_VERSION)
1192 min_version = TLS1_VERSION;
1194 case OPT_SRP_LATEUSER:
1196 if (min_version < TLS1_VERSION)
1197 min_version = TLS1_VERSION;
1199 case OPT_SRP_MOREGROUPS:
1201 if (min_version < TLS1_VERSION)
1202 min_version = TLS1_VERSION;
1205 case OPT_SSL_CONFIG:
1206 ssl_config = opt_arg();
1209 min_version = SSL3_VERSION;
1210 max_version = SSL3_VERSION;
1211 socket_type = SOCK_STREAM;
1212 #ifndef OPENSSL_NO_DTLS
1217 min_version = TLS1_3_VERSION;
1218 max_version = TLS1_3_VERSION;
1219 socket_type = SOCK_STREAM;
1220 #ifndef OPENSSL_NO_DTLS
1225 min_version = TLS1_2_VERSION;
1226 max_version = TLS1_2_VERSION;
1227 socket_type = SOCK_STREAM;
1228 #ifndef OPENSSL_NO_DTLS
1233 min_version = TLS1_1_VERSION;
1234 max_version = TLS1_1_VERSION;
1235 socket_type = SOCK_STREAM;
1236 #ifndef OPENSSL_NO_DTLS
1241 min_version = TLS1_VERSION;
1242 max_version = TLS1_VERSION;
1243 socket_type = SOCK_STREAM;
1244 #ifndef OPENSSL_NO_DTLS
1249 #ifndef OPENSSL_NO_DTLS
1250 meth = DTLS_client_method();
1251 socket_type = SOCK_DGRAM;
1256 #ifndef OPENSSL_NO_DTLS1
1257 meth = DTLS_client_method();
1258 min_version = DTLS1_VERSION;
1259 max_version = DTLS1_VERSION;
1260 socket_type = SOCK_DGRAM;
1265 #ifndef OPENSSL_NO_DTLS1_2
1266 meth = DTLS_client_method();
1267 min_version = DTLS1_2_VERSION;
1268 max_version = DTLS1_2_VERSION;
1269 socket_type = SOCK_DGRAM;
1274 #ifndef OPENSSL_NO_SCTP
1275 protocol = IPPROTO_SCTP;
1278 case OPT_SCTP_LABEL_BUG:
1279 #ifndef OPENSSL_NO_SCTP
1284 #ifndef OPENSSL_NO_DTLS
1285 enable_timeouts = 1;
1289 #ifndef OPENSSL_NO_DTLS
1290 socket_mtu = atol(opt_arg());
1293 case OPT_FALLBACKSCSV:
1297 if (!opt_format(opt_arg(), OPT_FMT_ANY, &key_format))
1301 passarg = opt_arg();
1303 case OPT_CERT_CHAIN:
1304 chain_file = opt_arg();
1307 key_file = opt_arg();
1318 case OPT_CHAINCAPATH:
1319 chCApath = opt_arg();
1321 case OPT_VERIFYCAPATH:
1322 vfyCApath = opt_arg();
1324 case OPT_BUILD_CHAIN:
1328 ReqCAfile = opt_arg();
1336 #ifndef OPENSSL_NO_CT
1343 case OPT_CTLOG_FILE:
1344 ctlog_file = opt_arg();
1347 case OPT_CHAINCAFILE:
1348 chCAfile = opt_arg();
1350 case OPT_VERIFYCAFILE:
1351 vfyCAfile = opt_arg();
1354 CAstore = opt_arg();
1359 case OPT_CHAINCASTORE:
1360 chCAstore = opt_arg();
1362 case OPT_VERIFYCASTORE:
1363 vfyCAstore = opt_arg();
1365 case OPT_DANE_TLSA_DOMAIN:
1366 dane_tlsa_domain = opt_arg();
1368 case OPT_DANE_TLSA_RRDATA:
1369 if (dane_tlsa_rrset == NULL)
1370 dane_tlsa_rrset = sk_OPENSSL_STRING_new_null();
1371 if (dane_tlsa_rrset == NULL ||
1372 !sk_OPENSSL_STRING_push(dane_tlsa_rrset, opt_arg())) {
1373 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1377 case OPT_DANE_EE_NO_NAME:
1378 dane_ee_no_name = 1;
1380 case OPT_NEXTPROTONEG:
1381 #ifndef OPENSSL_NO_NEXTPROTONEG
1382 next_proto_neg_in = opt_arg();
1386 alpn_in = opt_arg();
1388 case OPT_SERVERINFO:
1391 for (start = 0, i = 0; i <= len; ++i) {
1392 if (i == len || p[i] == ',') {
1393 serverinfo_types[serverinfo_count] = atoi(p + start);
1394 if (++serverinfo_count == MAX_SI_TYPES)
1401 if (!opt_pair(opt_arg(), services, &starttls_proto))
1404 case OPT_SERVERNAME:
1405 servername = opt_arg();
1407 case OPT_NOSERVERNAME:
1411 #ifndef OPENSSL_NO_SRTP
1412 srtp_profiles = opt_arg();
1415 case OPT_KEYMATEXPORT:
1416 keymatexportlabel = opt_arg();
1418 case OPT_KEYMATEXPORTLEN:
1419 keymatexportlen = atoi(opt_arg());
1424 case OPT_MAXFRAGLEN:
1425 len = atoi(opt_arg());
1428 maxfraglen = TLSEXT_max_fragment_length_512;
1431 maxfraglen = TLSEXT_max_fragment_length_1024;
1434 maxfraglen = TLSEXT_max_fragment_length_2048;
1437 maxfraglen = TLSEXT_max_fragment_length_4096;
1441 "%s: Max Fragment Len %u is out of permitted values",
1446 case OPT_MAX_SEND_FRAG:
1447 max_send_fragment = atoi(opt_arg());
1449 case OPT_SPLIT_SEND_FRAG:
1450 split_send_fragment = atoi(opt_arg());
1452 case OPT_MAX_PIPELINES:
1453 max_pipelines = atoi(opt_arg());
1456 read_buf_len = atoi(opt_arg());
1458 case OPT_KEYLOG_FILE:
1459 keylog_file = opt_arg();
1461 case OPT_EARLY_DATA:
1462 early_data_file = opt_arg();
1464 case OPT_ENABLE_PHA:
1468 #ifndef OPENSSL_NO_KTLS
1475 /* Optional argument is connect string if -connect not used. */
1476 if (opt_num_rest() == 1) {
1477 /* Don't allow -connect and a separate argument. */
1478 if (connectstr != NULL) {
1480 "%s: cannot provide both -connect option and target parameter\n",
1484 connect_type = use_inet;
1485 freeandcopy(&connectstr, *opt_rest());
1486 } else if (!opt_check_rest_arg(NULL)) {
1489 if (!app_RAND_load())
1492 if (count4or6 >= 2) {
1493 BIO_printf(bio_err, "%s: Can't use both -4 and -6\n", prog);
1497 if (servername != NULL) {
1499 "%s: Can't use -servername and -noservername together\n",
1503 if (dane_tlsa_domain != NULL) {
1505 "%s: Can't use -dane_tlsa_domain and -noservername together\n",
1511 #ifndef OPENSSL_NO_NEXTPROTONEG
1512 if (min_version == TLS1_3_VERSION && next_proto_neg_in != NULL) {
1513 BIO_printf(bio_err, "Cannot supply -nextprotoneg with TLSv1.3\n");
1518 if (connectstr != NULL) {
1520 char *tmp_host = host, *tmp_port = port;
1522 res = BIO_parse_hostserv(connectstr, &host, &port, BIO_PARSE_PRIO_HOST);
1523 if (tmp_host != host)
1524 OPENSSL_free(tmp_host);
1525 if (tmp_port != port)
1526 OPENSSL_free(tmp_port);
1529 "%s: -connect argument or target parameter malformed or ambiguous\n",
1535 if (proxystr != NULL) {
1537 char *tmp_host = host, *tmp_port = port;
1539 if (host == NULL || port == NULL) {
1540 BIO_printf(bio_err, "%s: -proxy requires use of -connect or target parameter\n", prog);
1544 /* Retain the original target host:port for use in the HTTP proxy connect string */
1545 thost = OPENSSL_strdup(host);
1546 tport = OPENSSL_strdup(port);
1547 if (thost == NULL || tport == NULL) {
1548 BIO_printf(bio_err, "%s: out of memory\n", prog);
1552 res = BIO_parse_hostserv(proxystr, &host, &port, BIO_PARSE_PRIO_HOST);
1553 if (tmp_host != host)
1554 OPENSSL_free(tmp_host);
1555 if (tmp_port != port)
1556 OPENSSL_free(tmp_port);
1559 "%s: -proxy argument malformed or ambiguous\n", prog);
1564 if (bindstr != NULL) {
1566 res = BIO_parse_hostserv(bindstr, &bindhost, &bindport,
1567 BIO_PARSE_PRIO_HOST);
1570 "%s: -bind argument parameter malformed or ambiguous\n",
1577 if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) {
1579 "Can't use unix sockets and datagrams together\n");
1584 #ifndef OPENSSL_NO_SCTP
1585 if (protocol == IPPROTO_SCTP) {
1586 if (socket_type != SOCK_DGRAM) {
1587 BIO_printf(bio_err, "Can't use -sctp without DTLS\n");
1590 /* SCTP is unusual. It uses DTLS over a SOCK_STREAM protocol */
1591 socket_type = SOCK_STREAM;
1595 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1596 next_proto.status = -1;
1597 if (next_proto_neg_in) {
1599 next_protos_parse(&next_proto.len, next_proto_neg_in);
1600 if (next_proto.data == NULL) {
1601 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n");
1605 next_proto.data = NULL;
1608 if (!app_passwd(passarg, NULL, &pass, NULL)) {
1609 BIO_printf(bio_err, "Error getting private key password\n");
1613 if (!app_passwd(proxypassarg, NULL, &proxypass, NULL)) {
1614 BIO_printf(bio_err, "Error getting proxy password\n");
1618 if (proxypass != NULL && proxyuser == NULL) {
1619 BIO_printf(bio_err, "Error: Must specify proxy_user with proxy_pass\n");
1623 if (key_file == NULL)
1624 key_file = cert_file;
1626 if (key_file != NULL) {
1627 key = load_key(key_file, key_format, 0, pass, e,
1628 "client certificate private key");
1633 if (cert_file != NULL) {
1634 cert = load_cert_pass(cert_file, cert_format, 1, pass,
1635 "client certificate");
1640 if (chain_file != NULL) {
1641 if (!load_certs(chain_file, 0, &chain, pass, "client certificate chain"))
1645 if (crl_file != NULL) {
1647 crl = load_crl(crl_file, crl_format, 0, "CRL");
1650 crls = sk_X509_CRL_new_null();
1651 if (crls == NULL || !sk_X509_CRL_push(crls, crl)) {
1652 BIO_puts(bio_err, "Error adding CRL\n");
1653 ERR_print_errors(bio_err);
1659 if (!load_excert(&exc))
1662 if (bio_c_out == NULL) {
1663 if (c_quiet && !c_debug) {
1664 bio_c_out = BIO_new(BIO_s_null());
1665 if (c_msg && bio_c_msg == NULL)
1666 bio_c_msg = dup_bio_out(FORMAT_TEXT);
1667 } else if (bio_c_out == NULL)
1668 bio_c_out = dup_bio_out(FORMAT_TEXT);
1670 #ifndef OPENSSL_NO_SRP
1671 if (!app_passwd(srppass, NULL, &srp_arg.srppassin, NULL)) {
1672 BIO_printf(bio_err, "Error getting password\n");
1677 ctx = SSL_CTX_new_ex(app_get0_libctx(), app_get0_propq(), meth);
1679 ERR_print_errors(bio_err);
1683 SSL_CTX_clear_mode(ctx, SSL_MODE_AUTO_RETRY);
1686 ssl_ctx_security_debug(ctx, sdebug);
1688 if (!config_ctx(cctx, ssl_args, ctx))
1691 if (ssl_config != NULL) {
1692 if (SSL_CTX_config(ctx, ssl_config) == 0) {
1693 BIO_printf(bio_err, "Error using configuration \"%s\"\n",
1695 ERR_print_errors(bio_err);
1700 #ifndef OPENSSL_NO_SCTP
1701 if (protocol == IPPROTO_SCTP && sctp_label_bug == 1)
1702 SSL_CTX_set_mode(ctx, SSL_MODE_DTLS_SCTP_LABEL_LENGTH_BUG);
1705 if (min_version != 0
1706 && SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
1708 if (max_version != 0
1709 && SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
1712 if (ignore_unexpected_eof)
1713 SSL_CTX_set_options(ctx, SSL_OP_IGNORE_UNEXPECTED_EOF);
1714 #ifndef OPENSSL_NO_KTLS
1716 SSL_CTX_set_options(ctx, SSL_OP_ENABLE_KTLS);
1719 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
1720 BIO_printf(bio_err, "Error setting verify params\n");
1721 ERR_print_errors(bio_err);
1726 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
1729 if (max_send_fragment > 0
1730 && !SSL_CTX_set_max_send_fragment(ctx, max_send_fragment)) {
1731 BIO_printf(bio_err, "%s: Max send fragment size %u is out of permitted range\n",
1732 prog, max_send_fragment);
1736 if (split_send_fragment > 0
1737 && !SSL_CTX_set_split_send_fragment(ctx, split_send_fragment)) {
1738 BIO_printf(bio_err, "%s: Split send fragment size %u is out of permitted range\n",
1739 prog, split_send_fragment);
1743 if (max_pipelines > 0
1744 && !SSL_CTX_set_max_pipelines(ctx, max_pipelines)) {
1745 BIO_printf(bio_err, "%s: Max pipelines %u is out of permitted range\n",
1746 prog, max_pipelines);
1750 if (read_buf_len > 0) {
1751 SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len);
1755 && !SSL_CTX_set_tlsext_max_fragment_length(ctx, maxfraglen)) {
1757 "%s: Max Fragment Length code %u is out of permitted values"
1758 "\n", prog, maxfraglen);
1762 if (!ssl_load_stores(ctx,
1763 vfyCApath, vfyCAfile, vfyCAstore,
1764 chCApath, chCAfile, chCAstore,
1765 crls, crl_download)) {
1766 BIO_printf(bio_err, "Error loading store locations\n");
1767 ERR_print_errors(bio_err);
1770 if (ReqCAfile != NULL) {
1771 STACK_OF(X509_NAME) *nm = sk_X509_NAME_new_null();
1773 if (nm == NULL || !SSL_add_file_cert_subjects_to_stack(nm, ReqCAfile)) {
1774 sk_X509_NAME_pop_free(nm, X509_NAME_free);
1775 BIO_printf(bio_err, "Error loading CA names\n");
1776 ERR_print_errors(bio_err);
1779 SSL_CTX_set0_CA_list(ctx, nm);
1781 #ifndef OPENSSL_NO_ENGINE
1782 if (ssl_client_engine) {
1783 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine)) {
1784 BIO_puts(bio_err, "Error setting client auth engine\n");
1785 ERR_print_errors(bio_err);
1786 release_engine(ssl_client_engine);
1789 release_engine(ssl_client_engine);
1793 #ifndef OPENSSL_NO_PSK
1794 if (psk_key != NULL) {
1796 BIO_printf(bio_c_out, "PSK key given, setting client callback\n");
1797 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
1800 if (psksessf != NULL) {
1801 BIO *stmp = BIO_new_file(psksessf, "r");
1804 BIO_printf(bio_err, "Can't open PSK session file %s\n", psksessf);
1805 ERR_print_errors(bio_err);
1808 psksess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1810 if (psksess == NULL) {
1811 BIO_printf(bio_err, "Can't read PSK session file %s\n", psksessf);
1812 ERR_print_errors(bio_err);
1816 if (psk_key != NULL || psksess != NULL)
1817 SSL_CTX_set_psk_use_session_callback(ctx, psk_use_session_cb);
1819 #ifndef OPENSSL_NO_SRTP
1820 if (srtp_profiles != NULL) {
1821 /* Returns 0 on success! */
1822 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
1823 BIO_printf(bio_err, "Error setting SRTP profile\n");
1824 ERR_print_errors(bio_err);
1831 ssl_ctx_set_excert(ctx, exc);
1833 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1834 if (next_proto.data != NULL)
1835 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
1839 unsigned char *alpn = next_protos_parse(&alpn_len, alpn_in);
1842 BIO_printf(bio_err, "Error parsing -alpn argument\n");
1845 /* Returns 0 on success! */
1846 if (SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len) != 0) {
1847 BIO_printf(bio_err, "Error setting ALPN\n");
1853 for (i = 0; i < serverinfo_count; i++) {
1854 if (!SSL_CTX_add_client_custom_ext(ctx,
1855 serverinfo_types[i],
1857 serverinfo_cli_parse_cb, NULL)) {
1859 "Warning: Unable to add custom extension %u, skipping\n",
1860 serverinfo_types[i]);
1865 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1867 #ifndef OPENSSL_NO_CT
1868 /* Enable SCT processing, without early connection termination */
1869 if (ct_validation &&
1870 !SSL_CTX_enable_ct(ctx, SSL_CT_VALIDATION_PERMISSIVE)) {
1871 ERR_print_errors(bio_err);
1875 if (!ctx_set_ctlog_list_file(ctx, ctlog_file)) {
1876 if (ct_validation) {
1877 ERR_print_errors(bio_err);
1882 * If CT validation is not enabled, the log list isn't needed so don't
1883 * show errors or abort. We try to load it regardless because then we
1884 * can show the names of the logs any SCTs came from (SCTs may be seen
1885 * even with validation disabled).
1891 SSL_CTX_set_verify(ctx, verify, verify_callback);
1893 if (!ctx_set_verify_locations(ctx, CAfile, noCAfile, CApath, noCApath,
1894 CAstore, noCAstore)) {
1895 ERR_print_errors(bio_err);
1899 ssl_ctx_add_crls(ctx, crls, crl_download);
1901 if (!set_cert_key_stuff(ctx, cert, key, chain, build_chain))
1904 if (!noservername) {
1905 tlsextcbp.biodebug = bio_err;
1906 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1907 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1909 #ifndef OPENSSL_NO_SRP
1910 if (srp_arg.srplogin != NULL
1911 && !set_up_srp_arg(ctx, &srp_arg, srp_lateuser, c_msg, c_debug))
1915 if (dane_tlsa_domain != NULL) {
1916 if (SSL_CTX_dane_enable(ctx) <= 0) {
1918 "%s: Error enabling DANE TLSA authentication.\n",
1920 ERR_print_errors(bio_err);
1926 * In TLSv1.3 NewSessionTicket messages arrive after the handshake and can
1927 * come at any time. Therefore we use a callback to write out the session
1928 * when we know about it. This approach works for < TLSv1.3 as well.
1930 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_CLIENT
1931 | SSL_SESS_CACHE_NO_INTERNAL_STORE);
1932 SSL_CTX_sess_set_new_cb(ctx, new_session_cb);
1934 if (set_keylog_file(ctx, keylog_file))
1942 SSL_set_post_handshake_auth(con, 1);
1944 if (sess_in != NULL) {
1946 BIO *stmp = BIO_new_file(sess_in, "r");
1948 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1949 ERR_print_errors(bio_err);
1952 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1955 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1956 ERR_print_errors(bio_err);
1959 if (!SSL_set_session(con, sess)) {
1960 BIO_printf(bio_err, "Can't set session\n");
1961 ERR_print_errors(bio_err);
1965 SSL_SESSION_free(sess);
1969 SSL_set_mode(con, SSL_MODE_SEND_FALLBACK_SCSV);
1971 if (!noservername && (servername != NULL || dane_tlsa_domain == NULL)) {
1972 if (servername == NULL) {
1973 if (host == NULL || is_dNS_name(host))
1974 servername = (host == NULL) ? "localhost" : host;
1976 if (servername != NULL && !SSL_set_tlsext_host_name(con, servername)) {
1977 BIO_printf(bio_err, "Unable to set TLS servername extension.\n");
1978 ERR_print_errors(bio_err);
1983 if (dane_tlsa_domain != NULL) {
1984 if (SSL_dane_enable(con, dane_tlsa_domain) <= 0) {
1985 BIO_printf(bio_err, "%s: Error enabling DANE TLSA "
1986 "authentication.\n", prog);
1987 ERR_print_errors(bio_err);
1990 if (dane_tlsa_rrset == NULL) {
1991 BIO_printf(bio_err, "%s: DANE TLSA authentication requires at "
1992 "least one -dane_tlsa_rrdata option.\n", prog);
1995 if (tlsa_import_rrset(con, dane_tlsa_rrset) <= 0) {
1996 BIO_printf(bio_err, "%s: Failed to import any TLSA "
1997 "records.\n", prog);
2000 if (dane_ee_no_name)
2001 SSL_dane_set_flags(con, DANE_FLAG_NO_DANE_EE_NAMECHECKS);
2002 } else if (dane_tlsa_rrset != NULL) {
2003 BIO_printf(bio_err, "%s: DANE TLSA authentication requires the "
2004 "-dane_tlsa_domain option.\n", prog);
2009 if (init_client(&sock, host, port, bindhost, bindport, socket_family,
2010 socket_type, protocol) == 0) {
2011 BIO_printf(bio_err, "connect:errno=%d\n", get_last_socket_error());
2012 BIO_closesocket(sock);
2015 BIO_printf(bio_c_out, "CONNECTED(%08X)\n", sock);
2018 if (!BIO_socket_nbio(sock, 1)) {
2019 ERR_print_errors(bio_err);
2022 BIO_printf(bio_c_out, "Turned on non blocking io\n");
2024 #ifndef OPENSSL_NO_DTLS
2026 union BIO_sock_info_u peer_info;
2028 #ifndef OPENSSL_NO_SCTP
2029 if (protocol == IPPROTO_SCTP)
2030 sbio = BIO_new_dgram_sctp(sock, BIO_NOCLOSE);
2033 sbio = BIO_new_dgram(sock, BIO_NOCLOSE);
2035 if ((peer_info.addr = BIO_ADDR_new()) == NULL) {
2036 BIO_printf(bio_err, "memory allocation failure\n");
2037 BIO_closesocket(sock);
2040 if (!BIO_sock_info(sock, BIO_SOCK_INFO_ADDRESS, &peer_info)) {
2041 BIO_printf(bio_err, "getsockname:errno=%d\n",
2042 get_last_socket_error());
2043 BIO_ADDR_free(peer_info.addr);
2044 BIO_closesocket(sock);
2048 (void)BIO_ctrl_set_connected(sbio, peer_info.addr);
2049 BIO_ADDR_free(peer_info.addr);
2050 peer_info.addr = NULL;
2052 if (enable_timeouts) {
2054 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2055 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2058 timeout.tv_usec = DGRAM_SND_TIMEOUT;
2059 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2063 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
2064 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
2065 DTLS_get_link_min_mtu(con));
2069 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2070 if (!DTLS_set_link_mtu(con, socket_mtu)) {
2071 BIO_printf(bio_err, "Failed to set MTU\n");
2076 /* want to do MTU discovery */
2077 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2080 #endif /* OPENSSL_NO_DTLS */
2081 sbio = BIO_new_socket(sock, BIO_NOCLOSE);
2086 test = BIO_new(BIO_f_nbio_test());
2087 sbio = BIO_push(test, sbio);
2091 BIO_set_callback_ex(sbio, bio_dump_callback);
2092 BIO_set_callback_arg(sbio, (char *)bio_c_out);
2095 #ifndef OPENSSL_NO_SSL_TRACE
2097 SSL_set_msg_callback(con, SSL_trace);
2100 SSL_set_msg_callback(con, msg_cb);
2101 SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out);
2104 if (c_tlsextdebug) {
2105 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2106 SSL_set_tlsext_debug_arg(con, bio_c_out);
2108 #ifndef OPENSSL_NO_OCSP
2110 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
2111 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
2112 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
2116 SSL_set_bio(con, sbio, sbio);
2117 SSL_set_connect_state(con);
2119 /* ok, lets connect */
2120 if (fileno_stdin() > SSL_get_fd(con))
2121 width = fileno_stdin() + 1;
2123 width = SSL_get_fd(con) + 1;
2136 switch ((PROTOCOL_CHOICE) starttls_proto) {
2143 * This is an ugly hack that does a lot of assumptions. We do
2144 * have to handle multi-line responses which may come in a single
2145 * packet or not. We therefore have to use BIO_gets() which does
2146 * need a buffering BIO. So during the initial chitchat we do
2147 * push a buffering BIO into the chain that is removed again
2148 * later on to not disturb the rest of the s_client operation.
2151 BIO *fbio = BIO_new(BIO_f_buffer());
2153 BIO_push(fbio, sbio);
2154 /* Wait for multi-line response to end from LMTP or SMTP */
2156 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2157 } while (mbuf_len > 3 && mbuf[3] == '-');
2158 if (protohost == NULL)
2159 protohost = "mail.example.com";
2160 if (starttls_proto == (int)PROTO_LMTP)
2161 BIO_printf(fbio, "LHLO %s\r\n", protohost);
2163 BIO_printf(fbio, "EHLO %s\r\n", protohost);
2164 (void)BIO_flush(fbio);
2166 * Wait for multi-line response to end LHLO LMTP or EHLO SMTP
2170 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2171 if (strstr(mbuf, "STARTTLS"))
2173 } while (mbuf_len > 3 && mbuf[3] == '-');
2174 (void)BIO_flush(fbio);
2179 "Didn't find STARTTLS in server response,"
2180 " trying anyway...\n");
2181 BIO_printf(sbio, "STARTTLS\r\n");
2182 BIO_read(sbio, sbuf, BUFSIZZ);
2187 BIO_read(sbio, mbuf, BUFSIZZ);
2188 BIO_printf(sbio, "STLS\r\n");
2189 mbuf_len = BIO_read(sbio, sbuf, BUFSIZZ);
2191 BIO_printf(bio_err, "BIO_read failed\n");
2199 BIO *fbio = BIO_new(BIO_f_buffer());
2201 BIO_push(fbio, sbio);
2202 BIO_gets(fbio, mbuf, BUFSIZZ);
2203 /* STARTTLS command requires CAPABILITY... */
2204 BIO_printf(fbio, ". CAPABILITY\r\n");
2205 (void)BIO_flush(fbio);
2206 /* wait for multi-line CAPABILITY response */
2208 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2209 if (strstr(mbuf, "STARTTLS"))
2212 while (mbuf_len > 3 && mbuf[0] != '.');
2213 (void)BIO_flush(fbio);
2218 "Didn't find STARTTLS in server response,"
2219 " trying anyway...\n");
2220 BIO_printf(sbio, ". STARTTLS\r\n");
2221 BIO_read(sbio, sbuf, BUFSIZZ);
2226 BIO *fbio = BIO_new(BIO_f_buffer());
2228 BIO_push(fbio, sbio);
2229 /* wait for multi-line response to end from FTP */
2231 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2233 while (mbuf_len > 3 && (!isdigit(mbuf[0]) || !isdigit(mbuf[1]) || !isdigit(mbuf[2]) || mbuf[3] != ' '));
2234 (void)BIO_flush(fbio);
2237 BIO_printf(sbio, "AUTH TLS\r\n");
2238 BIO_read(sbio, sbuf, BUFSIZZ);
2242 case PROTO_XMPP_SERVER:
2245 BIO_printf(sbio, "<stream:stream "
2246 "xmlns:stream='http://etherx.jabber.org/streams' "
2247 "xmlns='jabber:%s' to='%s' version='1.0'>",
2248 starttls_proto == PROTO_XMPP ? "client" : "server",
2249 protohost ? protohost : host);
2250 seen = BIO_read(sbio, mbuf, BUFSIZZ);
2252 BIO_printf(bio_err, "BIO_read failed\n");
2257 (mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")
2259 "<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\""))
2261 seen = BIO_read(sbio, mbuf, BUFSIZZ);
2269 "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
2270 seen = BIO_read(sbio, sbuf, BUFSIZZ);
2272 BIO_printf(bio_err, "BIO_read failed\n");
2276 if (!strstr(sbuf, "<proceed"))
2283 static const unsigned char tls_do[] = {
2284 /* IAC DO START_TLS */
2287 static const unsigned char tls_will[] = {
2288 /* IAC WILL START_TLS */
2291 static const unsigned char tls_follows[] = {
2292 /* IAC SB START_TLS FOLLOWS IAC SE */
2293 255, 250, 46, 1, 255, 240
2297 /* Telnet server should demand we issue START_TLS */
2298 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
2299 if (bytes != 3 || memcmp(mbuf, tls_do, 3) != 0)
2301 /* Agree to issue START_TLS and send the FOLLOWS sub-command */
2302 BIO_write(sbio, tls_will, 3);
2303 BIO_write(sbio, tls_follows, 6);
2304 (void)BIO_flush(sbio);
2305 /* Telnet server also sent the FOLLOWS sub-command */
2306 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
2307 if (bytes != 6 || memcmp(mbuf, tls_follows, 6) != 0)
2312 /* Here we must use the connect string target host & port */
2313 if (!OSSL_HTTP_proxy_connect(sbio, thost, tport, proxyuser, proxypass,
2314 0 /* no timeout */, bio_err, prog))
2320 BIO *fbio = BIO_new(BIO_f_buffer());
2322 BIO_push(fbio, sbio);
2323 BIO_printf(fbio, "STARTTLS\r\n");
2324 (void)BIO_flush(fbio);
2325 width = SSL_get_fd(con) + 1;
2331 openssl_fdset(SSL_get_fd(con), &readfds);
2332 timeout.tv_sec = S_CLIENT_IRC_READ_TIMEOUT;
2333 timeout.tv_usec = 0;
2335 * If the IRCd doesn't respond within
2336 * S_CLIENT_IRC_READ_TIMEOUT seconds, assume
2337 * it doesn't support STARTTLS. Many IRCds
2338 * will not give _any_ sort of response to a
2339 * STARTTLS command when it's not supported.
2341 if (!BIO_get_buffer_num_lines(fbio)
2342 && !BIO_pending(fbio)
2343 && !BIO_pending(sbio)
2344 && select(width, (void *)&readfds, NULL, NULL,
2347 "Timeout waiting for response (%d seconds).\n",
2348 S_CLIENT_IRC_READ_TIMEOUT);
2352 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2353 if (mbuf_len < 1 || sscanf(mbuf, "%*s %d", &numeric) != 1)
2355 /* :example.net 451 STARTTLS :You have not registered */
2356 /* :example.net 421 STARTTLS :Unknown command */
2357 if ((numeric == 451 || numeric == 421)
2358 && strstr(mbuf, "STARTTLS") != NULL) {
2359 BIO_printf(bio_err, "STARTTLS not supported: %s", mbuf);
2362 if (numeric == 691) {
2363 BIO_printf(bio_err, "STARTTLS negotiation failed: ");
2364 ERR_print_errors(bio_err);
2367 } while (numeric != 670);
2369 (void)BIO_flush(fbio);
2372 if (numeric != 670) {
2373 BIO_printf(bio_err, "Server does not support STARTTLS.\n");
2381 /* SSL request packet */
2382 static const unsigned char ssl_req[] = {
2383 /* payload_length, sequence_id */
2384 0x20, 0x00, 0x00, 0x01,
2386 /* capability flags, CLIENT_SSL always set */
2387 0x85, 0xae, 0x7f, 0x00,
2388 /* max-packet size */
2389 0x00, 0x00, 0x00, 0x01,
2392 /* string[23] reserved (all [0]) */
2393 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
2394 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
2395 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
2398 int ssl_flg = 0x800;
2400 const unsigned char *packet = (const unsigned char *)sbuf;
2402 /* Receiving Initial Handshake packet. */
2403 bytes = BIO_read(sbio, (void *)packet, BUFSIZZ);
2405 BIO_printf(bio_err, "BIO_read failed\n");
2407 /* Packet length[3], Packet number[1] + minimum payload[17] */
2408 } else if (bytes < 21) {
2409 BIO_printf(bio_err, "MySQL packet too short.\n");
2411 } else if (bytes != (4 + packet[0] +
2413 (packet[2] << 16))) {
2414 BIO_printf(bio_err, "MySQL packet length does not match.\n");
2416 /* protocol version[1] */
2417 } else if (packet[4] != 0xA) {
2419 "Only MySQL protocol version 10 is supported.\n");
2424 /* server version[string+NULL] */
2427 BIO_printf(bio_err, "Cannot confirm server version. ");
2429 } else if (packet[pos++] == '\0') {
2434 /* make sure we have at least 15 bytes left in the packet */
2435 if (pos + 15 > bytes) {
2437 "MySQL server handshake packet is broken.\n");
2441 pos += 12; /* skip over conn id[4] + SALT[8] */
2442 if (packet[pos++] != '\0') { /* verify filler */
2444 "MySQL packet is broken.\n");
2448 /* capability flags[2] */
2449 if (!((packet[pos] + (packet[pos + 1] << 8)) & ssl_flg)) {
2450 BIO_printf(bio_err, "MySQL server does not support SSL.\n");
2454 /* Sending SSL Handshake packet. */
2455 BIO_write(sbio, ssl_req, sizeof(ssl_req));
2456 (void)BIO_flush(sbio);
2459 case PROTO_POSTGRES:
2461 static const unsigned char ssl_request[] = {
2462 /* Length SSLRequest */
2463 0, 0, 0, 8, 4, 210, 22, 47
2467 /* Send SSLRequest packet */
2468 BIO_write(sbio, ssl_request, 8);
2469 (void)BIO_flush(sbio);
2471 /* Reply will be a single S if SSL is enabled */
2472 bytes = BIO_read(sbio, sbuf, BUFSIZZ);
2473 if (bytes != 1 || sbuf[0] != 'S')
2480 BIO *fbio = BIO_new(BIO_f_buffer());
2482 BIO_push(fbio, sbio);
2483 BIO_gets(fbio, mbuf, BUFSIZZ);
2484 /* STARTTLS command requires CAPABILITIES... */
2485 BIO_printf(fbio, "CAPABILITIES\r\n");
2486 (void)BIO_flush(fbio);
2487 BIO_gets(fbio, mbuf, BUFSIZZ);
2488 /* no point in trying to parse the CAPABILITIES response if there is none */
2489 if (strstr(mbuf, "101") != NULL) {
2490 /* wait for multi-line CAPABILITIES response */
2492 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2493 if (strstr(mbuf, "STARTTLS"))
2495 } while (mbuf_len > 1 && mbuf[0] != '.');
2497 (void)BIO_flush(fbio);
2502 "Didn't find STARTTLS in server response,"
2503 " trying anyway...\n");
2504 BIO_printf(sbio, "STARTTLS\r\n");
2505 mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ);
2507 BIO_printf(bio_err, "BIO_read failed\n");
2510 mbuf[mbuf_len] = '\0';
2511 if (strstr(mbuf, "382") == NULL) {
2512 BIO_printf(bio_err, "STARTTLS failed: %s", mbuf);
2520 BIO *fbio = BIO_new(BIO_f_buffer());
2522 BIO_push(fbio, sbio);
2523 /* wait for multi-line response to end from Sieve */
2525 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2527 * According to RFC 5804 § 1.7, capability
2528 * is case-insensitive, make it uppercase
2530 if (mbuf_len > 1 && mbuf[0] == '"') {
2531 make_uppercase(mbuf);
2532 if (HAS_PREFIX(mbuf, "\"STARTTLS\""))
2535 } while (mbuf_len > 1 && mbuf[0] == '"');
2536 (void)BIO_flush(fbio);
2541 "Didn't find STARTTLS in server response,"
2542 " trying anyway...\n");
2543 BIO_printf(sbio, "STARTTLS\r\n");
2544 mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ);
2546 BIO_printf(bio_err, "BIO_read failed\n");
2549 mbuf[mbuf_len] = '\0';
2551 BIO_printf(bio_err, "STARTTLS failed: %s", mbuf);
2555 * According to RFC 5804 § 2.2, response codes are case-
2556 * insensitive, make it uppercase but preserve the response.
2558 strncpy(sbuf, mbuf, 2);
2559 make_uppercase(sbuf);
2560 if (!HAS_PREFIX(sbuf, "OK")) {
2561 BIO_printf(bio_err, "STARTTLS not supported: %s", mbuf);
2568 /* StartTLS Operation according to RFC 4511 */
2569 static char ldap_tls_genconf[] = "asn1=SEQUENCE:LDAPMessage\n"
2571 "messageID=INTEGER:1\n"
2572 "extendedReq=EXPLICIT:23A,IMPLICIT:0C,"
2573 "FORMAT:ASCII,OCT:1.3.6.1.4.1.1466.20037\n";
2575 char *genstr = NULL;
2577 ASN1_TYPE *atyp = NULL;
2578 BIO *ldapbio = BIO_new(BIO_s_mem());
2579 CONF *cnf = NCONF_new(NULL);
2585 BIO_puts(ldapbio, ldap_tls_genconf);
2586 if (NCONF_load_bio(cnf, ldapbio, &errline) <= 0) {
2590 BIO_printf(bio_err, "NCONF_load_bio failed\n");
2593 BIO_printf(bio_err, "Error on line %ld\n", errline);
2598 genstr = NCONF_get_string(cnf, "default", "asn1");
2599 if (genstr == NULL) {
2601 BIO_printf(bio_err, "NCONF_get_string failed\n");
2604 atyp = ASN1_generate_nconf(genstr, cnf);
2607 BIO_printf(bio_err, "ASN1_generate_nconf failed\n");
2612 /* Send SSLRequest packet */
2613 BIO_write(sbio, atyp->value.sequence->data,
2614 atyp->value.sequence->length);
2615 (void)BIO_flush(sbio);
2616 ASN1_TYPE_free(atyp);
2618 mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ);
2620 BIO_printf(bio_err, "BIO_read failed\n");
2623 result = ldap_ExtendedResponse_parse(mbuf, mbuf_len);
2625 BIO_printf(bio_err, "ldap_ExtendedResponse_parse failed\n");
2627 } else if (result > 0) {
2628 BIO_printf(bio_err, "STARTTLS failed, LDAP Result Code: %i\n",
2637 if (early_data_file != NULL
2638 && ((SSL_get0_session(con) != NULL
2639 && SSL_SESSION_get_max_early_data(SSL_get0_session(con)) > 0)
2641 && SSL_SESSION_get_max_early_data(psksess) > 0))) {
2642 BIO *edfile = BIO_new_file(early_data_file, "r");
2643 size_t readbytes, writtenbytes;
2646 if (edfile == NULL) {
2647 BIO_printf(bio_err, "Cannot open early data file\n");
2652 if (!BIO_read_ex(edfile, cbuf, BUFSIZZ, &readbytes))
2655 while (!SSL_write_early_data(con, cbuf, readbytes, &writtenbytes)) {
2656 switch (SSL_get_error(con, 0)) {
2657 case SSL_ERROR_WANT_WRITE:
2658 case SSL_ERROR_WANT_ASYNC:
2659 case SSL_ERROR_WANT_READ:
2660 /* Just keep trying - busy waiting */
2663 BIO_printf(bio_err, "Error writing early data\n");
2665 ERR_print_errors(bio_err);
2678 if (SSL_is_dtls(con) && DTLSv1_get_timeout(con, &timeout))
2679 timeoutp = &timeout;
2683 if (!SSL_is_init_finished(con) && SSL_total_renegotiations(con) == 0
2684 && SSL_get_key_update_type(con) == SSL_KEY_UPDATE_NONE) {
2692 BIO_puts(bio_err, "CONNECTION ESTABLISHED\n");
2693 print_ssl_summary(con);
2696 print_stuff(bio_c_out, con, full_log);
2700 if (starttls_proto) {
2701 BIO_write(bio_err, mbuf, mbuf_len);
2702 /* We don't need to know any more */
2704 starttls_proto = PROTO_OFF;
2709 BIO_printf(bio_c_out,
2710 "drop connection and then reconnect\n");
2711 do_ssl_shutdown(con);
2712 SSL_set_connect_state(con);
2713 BIO_closesocket(SSL_get_fd(con));
2719 ssl_pending = read_ssl && SSL_has_pending(con);
2722 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
2725 * Note that select() returns when read _would not block_,
2726 * and EOF satisfies that. To avoid a CPU-hogging loop,
2727 * set the flag so we exit.
2729 if (read_tty && !at_eof)
2730 openssl_fdset(fileno_stdin(), &readfds);
2731 #if !defined(OPENSSL_SYS_VMS)
2733 openssl_fdset(fileno_stdout(), &writefds);
2737 openssl_fdset(SSL_get_fd(con), &readfds);
2739 openssl_fdset(SSL_get_fd(con), &writefds);
2741 if (!tty_on || !write_tty) {
2743 openssl_fdset(SSL_get_fd(con), &readfds);
2745 openssl_fdset(SSL_get_fd(con), &writefds);
2750 * Note: under VMS with SOCKETSHR the second parameter is
2751 * currently of type (int *) whereas under other systems it is
2752 * (void *) if you don't have a cast it will choke the compiler:
2753 * if you do have a cast then you can either go for (int *) or
2756 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2758 * Under Windows/DOS we make the assumption that we can always
2759 * write to the tty: therefore if we need to write to the tty we
2760 * just fall through. Otherwise we timeout the select every
2761 * second and see if there are any keypresses. Note: this is a
2762 * hack, in a proper Windows application we wouldn't do this.
2769 i = select(width, (void *)&readfds, (void *)&writefds,
2771 if (!i && (!has_stdin_waiting() || !read_tty))
2774 i = select(width, (void *)&readfds, (void *)&writefds,
2778 i = select(width, (void *)&readfds, (void *)&writefds,
2782 BIO_printf(bio_err, "bad select %d\n",
2783 get_last_socket_error());
2788 if (SSL_is_dtls(con) && DTLSv1_handle_timeout(con) > 0)
2789 BIO_printf(bio_err, "TIMEOUT occurred\n");
2791 if (!ssl_pending && FD_ISSET(SSL_get_fd(con), &writefds)) {
2792 k = SSL_write(con, &(cbuf[cbuf_off]), (unsigned int)cbuf_len);
2793 switch (SSL_get_error(con, k)) {
2794 case SSL_ERROR_NONE:
2799 /* we have done a write(con,NULL,0); */
2800 if (cbuf_len <= 0) {
2803 } else { /* if (cbuf_len > 0) */
2809 case SSL_ERROR_WANT_WRITE:
2810 BIO_printf(bio_c_out, "write W BLOCK\n");
2814 case SSL_ERROR_WANT_ASYNC:
2815 BIO_printf(bio_c_out, "write A BLOCK\n");
2816 wait_for_async(con);
2820 case SSL_ERROR_WANT_READ:
2821 BIO_printf(bio_c_out, "write R BLOCK\n");
2826 case SSL_ERROR_WANT_X509_LOOKUP:
2827 BIO_printf(bio_c_out, "write X BLOCK\n");
2829 case SSL_ERROR_ZERO_RETURN:
2830 if (cbuf_len != 0) {
2831 BIO_printf(bio_c_out, "shutdown\n");
2840 case SSL_ERROR_SYSCALL:
2841 if ((k != 0) || (cbuf_len != 0)) {
2842 BIO_printf(bio_err, "write:errno=%d\n",
2843 get_last_socket_error());
2850 case SSL_ERROR_WANT_ASYNC_JOB:
2851 /* This shouldn't ever happen in s_client - treat as an error */
2853 ERR_print_errors(bio_err);
2857 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_VMS)
2858 /* Assume Windows/DOS/BeOS can always write */
2859 else if (!ssl_pending && write_tty)
2861 else if (!ssl_pending && FD_ISSET(fileno_stdout(), &writefds))
2864 #ifdef CHARSET_EBCDIC
2865 ascii2ebcdic(&(sbuf[sbuf_off]), &(sbuf[sbuf_off]), sbuf_len);
2867 i = raw_write_stdout(&(sbuf[sbuf_off]), sbuf_len);
2870 BIO_printf(bio_c_out, "DONE\n");
2877 if (sbuf_len <= 0) {
2881 } else if (ssl_pending || FD_ISSET(SSL_get_fd(con), &readfds)) {
2886 SSL_renegotiate(con);
2891 k = SSL_read(con, sbuf, 1024 /* BUFSIZZ */ );
2893 switch (SSL_get_error(con, k)) {
2894 case SSL_ERROR_NONE:
2903 case SSL_ERROR_WANT_ASYNC:
2904 BIO_printf(bio_c_out, "read A BLOCK\n");
2905 wait_for_async(con);
2908 if ((read_tty == 0) && (write_ssl == 0))
2911 case SSL_ERROR_WANT_WRITE:
2912 BIO_printf(bio_c_out, "read W BLOCK\n");
2916 case SSL_ERROR_WANT_READ:
2917 BIO_printf(bio_c_out, "read R BLOCK\n");
2920 if ((read_tty == 0) && (write_ssl == 0))
2923 case SSL_ERROR_WANT_X509_LOOKUP:
2924 BIO_printf(bio_c_out, "read X BLOCK\n");
2926 case SSL_ERROR_SYSCALL:
2927 ret = get_last_socket_error();
2929 BIO_puts(bio_err, "CONNECTION CLOSED BY SERVER\n");
2931 BIO_printf(bio_err, "read:errno=%d\n", ret);
2933 case SSL_ERROR_ZERO_RETURN:
2934 BIO_printf(bio_c_out, "closed\n");
2937 case SSL_ERROR_WANT_ASYNC_JOB:
2938 /* This shouldn't ever happen in s_client. Treat as an error */
2940 ERR_print_errors(bio_err);
2944 /* OPENSSL_SYS_MSDOS includes OPENSSL_SYS_WINDOWS */
2945 #if defined(OPENSSL_SYS_MSDOS)
2946 else if (has_stdin_waiting())
2948 else if (FD_ISSET(fileno_stdin(), &readfds))
2954 i = raw_read_stdin(cbuf, BUFSIZZ / 2);
2956 /* both loops are skipped when i <= 0 */
2957 for (j = 0; j < i; j++)
2958 if (cbuf[j] == '\n')
2960 for (j = i - 1; j >= 0; j--) {
2961 cbuf[j + lf_num] = cbuf[j];
2962 if (cbuf[j] == '\n') {
2965 cbuf[j + lf_num] = '\r';
2968 assert(lf_num == 0);
2970 i = raw_read_stdin(cbuf, BUFSIZZ);
2971 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
2976 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q' && cmdletters))) {
2977 BIO_printf(bio_err, "DONE\n");
2982 if ((!c_ign_eof) && (cbuf[0] == 'R' && cmdletters)) {
2983 BIO_printf(bio_err, "RENEGOTIATING\n");
2984 SSL_renegotiate(con);
2986 } else if (!c_ign_eof && (cbuf[0] == 'K' || cbuf[0] == 'k')
2988 BIO_printf(bio_err, "KEYUPDATE\n");
2990 cbuf[0] == 'K' ? SSL_KEY_UPDATE_REQUESTED
2991 : SSL_KEY_UPDATE_NOT_REQUESTED);
2996 #ifdef CHARSET_EBCDIC
2997 ebcdic2ascii(cbuf, cbuf, i);
3008 print_stuff(bio_c_out, con, full_log);
3009 do_ssl_shutdown(con);
3012 * If we ended with an alert being sent, but still with data in the
3013 * network buffer to be read, then calling BIO_closesocket() will
3014 * result in a TCP-RST being sent. On some platforms (notably
3015 * Windows) then this will result in the peer immediately abandoning
3016 * the connection including any buffered alert data before it has
3017 * had a chance to be read. Shutting down the sending side first,
3018 * and then closing the socket sends TCP-FIN first followed by
3019 * TCP-RST. This seems to allow the peer to read the alert data.
3021 shutdown(SSL_get_fd(con), 1); /* SHUT_WR */
3023 * We just said we have nothing else to say, but it doesn't mean that
3024 * the other side has nothing. It's even recommended to consume incoming
3025 * data. [In testing context this ensures that alerts are passed on...]
3028 timeout.tv_usec = 500000; /* some extreme round-trip */
3031 openssl_fdset(sock, &readfds);
3032 } while (select(sock + 1, &readfds, NULL, NULL, &timeout) > 0
3033 && BIO_read(sbio, sbuf, BUFSIZZ) > 0);
3035 BIO_closesocket(SSL_get_fd(con));
3039 print_stuff(bio_c_out, con, 1);
3042 SSL_SESSION_free(psksess);
3043 #if !defined(OPENSSL_NO_NEXTPROTONEG)
3044 OPENSSL_free(next_proto.data);
3047 set_keylog_file(NULL, NULL);
3049 sk_X509_CRL_pop_free(crls, X509_CRL_free);
3051 sk_X509_pop_free(chain, X509_free);
3053 #ifndef OPENSSL_NO_SRP
3054 OPENSSL_free(srp_arg.srppassin);
3056 OPENSSL_free(connectstr);
3057 OPENSSL_free(bindstr);
3058 OPENSSL_free(bindhost);
3059 OPENSSL_free(bindport);
3062 OPENSSL_free(thost);
3063 OPENSSL_free(tport);
3064 X509_VERIFY_PARAM_free(vpm);
3065 ssl_excert_free(exc);
3066 sk_OPENSSL_STRING_free(ssl_args);
3067 sk_OPENSSL_STRING_free(dane_tlsa_rrset);
3068 SSL_CONF_CTX_free(cctx);
3069 OPENSSL_clear_free(cbuf, BUFSIZZ);
3070 OPENSSL_clear_free(sbuf, BUFSIZZ);
3071 OPENSSL_clear_free(mbuf, BUFSIZZ);
3072 clear_free(proxypass);
3074 BIO_free(bio_c_out);
3076 BIO_free(bio_c_msg);
3081 static void print_stuff(BIO *bio, SSL *s, int full)
3085 const SSL_CIPHER *c;
3086 EVP_PKEY *public_key;
3087 int i, istls13 = (SSL_version(s) == TLS1_3_VERSION);
3089 #ifndef OPENSSL_NO_COMP
3090 const COMP_METHOD *comp, *expansion;
3092 unsigned char *exportedkeymat;
3093 #ifndef OPENSSL_NO_CT
3094 const SSL_CTX *ctx = SSL_get_SSL_CTX(s);
3098 int got_a_chain = 0;
3100 sk = SSL_get_peer_cert_chain(s);
3104 BIO_printf(bio, "---\nCertificate chain\n");
3105 for (i = 0; i < sk_X509_num(sk); i++) {
3106 BIO_printf(bio, "%2d s:", i);
3107 X509_NAME_print_ex(bio, X509_get_subject_name(sk_X509_value(sk, i)), 0, get_nameopt());
3108 BIO_puts(bio, "\n");
3109 BIO_printf(bio, " i:");
3110 X509_NAME_print_ex(bio, X509_get_issuer_name(sk_X509_value(sk, i)), 0, get_nameopt());
3111 BIO_puts(bio, "\n");
3112 public_key = X509_get_pubkey(sk_X509_value(sk, i));
3113 if (public_key != NULL) {
3114 BIO_printf(bio, " a:PKEY: %s, %d (bit); sigalg: %s\n",
3115 OBJ_nid2sn(EVP_PKEY_get_base_id(public_key)),
3116 EVP_PKEY_get_bits(public_key),
3117 OBJ_nid2sn(X509_get_signature_nid(sk_X509_value(sk, i))));
3118 EVP_PKEY_free(public_key);
3120 BIO_printf(bio, " v:NotBefore: ");
3121 ASN1_TIME_print(bio, X509_get0_notBefore(sk_X509_value(sk, i)));
3122 BIO_printf(bio, "; NotAfter: ");
3123 ASN1_TIME_print(bio, X509_get0_notAfter(sk_X509_value(sk, i)));
3124 BIO_puts(bio, "\n");
3126 PEM_write_bio_X509(bio, sk_X509_value(sk, i));
3130 BIO_printf(bio, "---\n");
3131 peer = SSL_get0_peer_certificate(s);
3133 BIO_printf(bio, "Server certificate\n");
3135 /* Redundant if we showed the whole chain */
3136 if (!(c_showcerts && got_a_chain))
3137 PEM_write_bio_X509(bio, peer);
3138 dump_cert_text(bio, peer);
3140 BIO_printf(bio, "no peer certificate available\n");
3142 print_ca_names(bio, s);
3144 ssl_print_sigalgs(bio, s);
3145 ssl_print_tmp_key(bio, s);
3147 #ifndef OPENSSL_NO_CT
3149 * When the SSL session is anonymous, or resumed via an abbreviated
3150 * handshake, no SCTs are provided as part of the handshake. While in
3151 * a resumed session SCTs may be present in the session's certificate,
3152 * no callbacks are invoked to revalidate these, and in any case that
3153 * set of SCTs may be incomplete. Thus it makes little sense to
3154 * attempt to display SCTs from a resumed session's certificate, and of
3155 * course none are associated with an anonymous peer.
3157 if (peer != NULL && !SSL_session_reused(s) && SSL_ct_is_enabled(s)) {
3158 const STACK_OF(SCT) *scts = SSL_get0_peer_scts(s);
3159 int sct_count = scts != NULL ? sk_SCT_num(scts) : 0;
3161 BIO_printf(bio, "---\nSCTs present (%i)\n", sct_count);
3162 if (sct_count > 0) {
3163 const CTLOG_STORE *log_store = SSL_CTX_get0_ctlog_store(ctx);
3165 BIO_printf(bio, "---\n");
3166 for (i = 0; i < sct_count; ++i) {
3167 SCT *sct = sk_SCT_value(scts, i);
3169 BIO_printf(bio, "SCT validation status: %s\n",
3170 SCT_validation_status_string(sct));
3171 SCT_print(sct, bio, 0, log_store);
3172 if (i < sct_count - 1)
3173 BIO_printf(bio, "\n---\n");
3175 BIO_printf(bio, "\n");
3181 "---\nSSL handshake has read %ju bytes "
3182 "and written %ju bytes\n",
3183 BIO_number_read(SSL_get_rbio(s)),
3184 BIO_number_written(SSL_get_wbio(s)));
3186 print_verify_detail(s, bio);
3187 BIO_printf(bio, (SSL_session_reused(s) ? "---\nReused, " : "---\nNew, "));
3188 c = SSL_get_current_cipher(s);
3189 BIO_printf(bio, "%s, Cipher is %s\n",
3190 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
3194 pktmp = X509_get0_pubkey(peer);
3195 BIO_printf(bio, "Server public key is %d bit\n",
3196 EVP_PKEY_get_bits(pktmp));
3199 ssl_print_secure_renegotiation_notes(bio, s);
3201 #ifndef OPENSSL_NO_COMP
3202 comp = SSL_get_current_compression(s);
3203 expansion = SSL_get_current_expansion(s);
3204 BIO_printf(bio, "Compression: %s\n",
3205 comp ? SSL_COMP_get_name(comp) : "NONE");
3206 BIO_printf(bio, "Expansion: %s\n",
3207 expansion ? SSL_COMP_get_name(expansion) : "NONE");
3209 #ifndef OPENSSL_NO_KTLS
3210 if (BIO_get_ktls_send(SSL_get_wbio(s)))
3211 BIO_printf(bio_err, "Using Kernel TLS for sending\n");
3212 if (BIO_get_ktls_recv(SSL_get_rbio(s)))
3213 BIO_printf(bio_err, "Using Kernel TLS for receiving\n");
3216 if (OSSL_TRACE_ENABLED(TLS)) {
3217 /* Print out local port of connection: useful for debugging */
3219 union BIO_sock_info_u info;
3221 sock = SSL_get_fd(s);
3222 if ((info.addr = BIO_ADDR_new()) != NULL
3223 && BIO_sock_info(sock, BIO_SOCK_INFO_ADDRESS, &info)) {
3224 BIO_printf(bio_c_out, "LOCAL PORT is %u\n",
3225 ntohs(BIO_ADDR_rawport(info.addr)));
3227 BIO_ADDR_free(info.addr);
3230 #if !defined(OPENSSL_NO_NEXTPROTONEG)
3231 if (next_proto.status != -1) {
3232 const unsigned char *proto;
3233 unsigned int proto_len;
3234 SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
3235 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
3236 BIO_write(bio, proto, proto_len);
3237 BIO_write(bio, "\n", 1);
3241 const unsigned char *proto;
3242 unsigned int proto_len;
3243 SSL_get0_alpn_selected(s, &proto, &proto_len);
3244 if (proto_len > 0) {
3245 BIO_printf(bio, "ALPN protocol: ");
3246 BIO_write(bio, proto, proto_len);
3247 BIO_write(bio, "\n", 1);
3249 BIO_printf(bio, "No ALPN negotiated\n");
3252 #ifndef OPENSSL_NO_SRTP
3254 SRTP_PROTECTION_PROFILE *srtp_profile =
3255 SSL_get_selected_srtp_profile(s);
3258 BIO_printf(bio, "SRTP Extension negotiated, profile=%s\n",
3259 srtp_profile->name);
3264 switch (SSL_get_early_data_status(s)) {
3265 case SSL_EARLY_DATA_NOT_SENT:
3266 BIO_printf(bio, "Early data was not sent\n");
3269 case SSL_EARLY_DATA_REJECTED:
3270 BIO_printf(bio, "Early data was rejected\n");
3273 case SSL_EARLY_DATA_ACCEPTED:
3274 BIO_printf(bio, "Early data was accepted\n");
3280 * We also print the verify results when we dump session information,
3281 * but in TLSv1.3 we may not get that right away (or at all) depending
3282 * on when we get a NewSessionTicket. Therefore we print it now as well.
3284 verify_result = SSL_get_verify_result(s);
3285 BIO_printf(bio, "Verify return code: %ld (%s)\n", verify_result,
3286 X509_verify_cert_error_string(verify_result));
3288 /* In TLSv1.3 we do this on arrival of a NewSessionTicket */
3289 SSL_SESSION_print(bio, SSL_get_session(s));
3292 if (SSL_get_session(s) != NULL && keymatexportlabel != NULL) {
3293 BIO_printf(bio, "Keying material exporter:\n");
3294 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel);
3295 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen);
3296 exportedkeymat = app_malloc(keymatexportlen, "export key");
3297 if (SSL_export_keying_material(s, exportedkeymat,
3300 strlen(keymatexportlabel),
3302 BIO_printf(bio, " Error\n");
3304 BIO_printf(bio, " Keying material: ");
3305 for (i = 0; i < keymatexportlen; i++)
3306 BIO_printf(bio, "%02X", exportedkeymat[i]);
3307 BIO_printf(bio, "\n");
3309 OPENSSL_free(exportedkeymat);
3311 BIO_printf(bio, "---\n");
3312 /* flush, or debugging output gets mixed with http response */
3313 (void)BIO_flush(bio);
3316 # ifndef OPENSSL_NO_OCSP
3317 static int ocsp_resp_cb(SSL *s, void *arg)
3319 const unsigned char *p;
3322 len = SSL_get_tlsext_status_ocsp_resp(s, &p);
3323 BIO_puts(arg, "OCSP response: ");
3325 BIO_puts(arg, "no response sent\n");
3328 rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
3330 BIO_puts(arg, "response parse error\n");
3331 BIO_dump_indent(arg, (char *)p, len, 4);
3334 BIO_puts(arg, "\n======================================\n");
3335 OCSP_RESPONSE_print(arg, rsp, 0);
3336 BIO_puts(arg, "======================================\n");
3337 OCSP_RESPONSE_free(rsp);
3342 static int ldap_ExtendedResponse_parse(const char *buf, long rem)
3344 const unsigned char *cur, *end;
3346 int tag, xclass, inf, ret = -1;
3348 cur = (const unsigned char *)buf;
3354 * LDAPMessage ::= SEQUENCE {
3355 * messageID MessageID,
3356 * protocolOp CHOICE {
3358 * extendedResp ExtendedResponse,
3360 * controls [0] Controls OPTIONAL }
3362 * ExtendedResponse ::= [APPLICATION 24] SEQUENCE {
3363 * COMPONENTS OF LDAPResult,
3364 * responseName [10] LDAPOID OPTIONAL,
3365 * responseValue [11] OCTET STRING OPTIONAL }
3367 * LDAPResult ::= SEQUENCE {
3368 * resultCode ENUMERATED {
3374 * diagnosticMessage LDAPString,
3375 * referral [3] Referral OPTIONAL }
3379 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3380 if (inf != V_ASN1_CONSTRUCTED || tag != V_ASN1_SEQUENCE ||
3381 (rem = end - cur, len > rem)) {
3382 BIO_printf(bio_err, "Unexpected LDAP response\n");
3386 rem = len; /* ensure that we don't overstep the SEQUENCE */
3388 /* pull MessageID */
3389 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3390 if (inf != V_ASN1_UNIVERSAL || tag != V_ASN1_INTEGER ||
3391 (rem = end - cur, len > rem)) {
3392 BIO_printf(bio_err, "No MessageID\n");
3396 cur += len; /* shall we check for MessageId match or just skip? */
3398 /* pull [APPLICATION 24] */
3400 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3401 if (inf != V_ASN1_CONSTRUCTED || xclass != V_ASN1_APPLICATION ||
3403 BIO_printf(bio_err, "Not ExtendedResponse\n");
3407 /* pull resultCode */
3409 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3410 if (inf != V_ASN1_UNIVERSAL || tag != V_ASN1_ENUMERATED || len == 0 ||
3411 (rem = end - cur, len > rem)) {
3412 BIO_printf(bio_err, "Not LDAPResult\n");
3416 /* len should always be one, but just in case... */
3417 for (ret = 0, inf = 0; inf < len; inf++) {
3421 /* There is more data, but we don't care... */
3427 * Host dNS Name verifier: used for checking that the hostname is in dNS format
3428 * before setting it as SNI
3430 static int is_dNS_name(const char *host)
3432 const size_t MAX_LABEL_LENGTH = 63;
3435 size_t length = strlen(host);
3436 size_t label_length = 0;
3437 int all_numeric = 1;
3440 * Deviation from strict DNS name syntax, also check names with '_'
3441 * Check DNS name syntax, any '-' or '.' must be internal,
3442 * and on either side of each '.' we can't have a '-' or '.'.
3444 * If the name has just one label, we don't consider it a DNS name.
3446 for (i = 0; i < length && label_length < MAX_LABEL_LENGTH; ++i) {
3449 if ((c >= 'a' && c <= 'z')
3450 || (c >= 'A' && c <= 'Z')
3457 if (c >= '0' && c <= '9') {
3462 /* Dot and hyphen cannot be first or last. */
3463 if (i > 0 && i < length - 1) {
3469 * Next to a dot the preceding and following characters must not be
3470 * another dot or a hyphen. Otherwise, record that the name is
3471 * plausible, since it has two or more labels.
3474 && host[i + 1] != '.'
3475 && host[i - 1] != '-'
3476 && host[i + 1] != '-') {
3486 /* dNS name must not be all numeric and labels must be shorter than 64 characters. */
3487 isdnsname &= !all_numeric && !(label_length == MAX_LABEL_LENGTH);
3491 #endif /* OPENSSL_NO_SOCK */