2 * Copyright 1995-2022 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
11 #include "internal/e_os.h"
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_NO_INTERACTIVE, 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,
462 OPT_S_ENUM, OPT_IGNORE_UNEXPECTED_EOF,
463 OPT_FALLBACKSCSV, OPT_NOCMDS, OPT_PROXY, OPT_PROXY_USER, OPT_PROXY_PASS,
464 OPT_DANE_TLSA_DOMAIN,
465 #ifndef OPENSSL_NO_CT
466 OPT_CT, OPT_NOCT, OPT_CTLOG_FILE,
468 OPT_DANE_TLSA_RRDATA, OPT_DANE_EE_NO_NAME,
472 OPT_R_ENUM, OPT_PROV_ENUM
475 const OPTIONS s_client_options[] = {
476 {OPT_HELP_STR, 1, '-', "Usage: %s [options] [host:port]\n"},
478 OPT_SECTION("General"),
479 {"help", OPT_HELP, '-', "Display this summary"},
480 #ifndef OPENSSL_NO_ENGINE
481 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
482 {"ssl_client_engine", OPT_SSL_CLIENT_ENGINE, 's',
483 "Specify engine to be used for client certificate operations"},
485 {"ssl_config", OPT_SSL_CONFIG, 's', "Use specified section for SSL_CTX configuration"},
486 #ifndef OPENSSL_NO_CT
487 {"ct", OPT_CT, '-', "Request and parse SCTs (also enables OCSP stapling)"},
488 {"noct", OPT_NOCT, '-', "Do not request or parse SCTs (default)"},
489 {"ctlogfile", OPT_CTLOG_FILE, '<', "CT log list CONF file"},
492 OPT_SECTION("Network"),
493 {"host", OPT_HOST, 's', "Use -connect instead"},
494 {"port", OPT_PORT, 'p', "Use -connect instead"},
495 {"connect", OPT_CONNECT, 's',
496 "TCP/IP where to connect; default: " PORT ")"},
497 {"bind", OPT_BIND, 's', "bind local address for connection"},
498 {"proxy", OPT_PROXY, 's',
499 "Connect to via specified proxy to the real server"},
500 {"proxy_user", OPT_PROXY_USER, 's', "UserID for proxy authentication"},
501 {"proxy_pass", OPT_PROXY_PASS, 's', "Proxy authentication password source"},
503 {"unix", OPT_UNIX, 's', "Connect over the specified Unix-domain socket"},
505 {"4", OPT_4, '-', "Use IPv4 only"},
507 {"6", OPT_6, '-', "Use IPv6 only"},
509 {"maxfraglen", OPT_MAXFRAGLEN, 'p',
510 "Enable Maximum Fragment Length Negotiation (len values: 512, 1024, 2048 and 4096)"},
511 {"max_send_frag", OPT_MAX_SEND_FRAG, 'p', "Maximum Size of send frames "},
512 {"split_send_frag", OPT_SPLIT_SEND_FRAG, 'p',
513 "Size used to split data for encrypt pipelines"},
514 {"max_pipelines", OPT_MAX_PIPELINES, 'p',
515 "Maximum number of encrypt/decrypt pipelines to be used"},
516 {"read_buf", OPT_READ_BUF, 'p',
517 "Default read buffer size to be used for connections"},
518 {"fallback_scsv", OPT_FALLBACKSCSV, '-', "Send the fallback SCSV"},
520 OPT_SECTION("Identity"),
521 {"cert", OPT_CERT, '<', "Client certificate file to use"},
522 {"certform", OPT_CERTFORM, 'F',
523 "Client certificate file format (PEM/DER/P12); has no effect"},
524 {"cert_chain", OPT_CERT_CHAIN, '<',
525 "Client certificate chain file (in PEM format)"},
526 {"build_chain", OPT_BUILD_CHAIN, '-', "Build client certificate chain"},
527 {"key", OPT_KEY, 's', "Private key file to use; default: -cert file"},
528 {"keyform", OPT_KEYFORM, 'E', "Key format (ENGINE, other values ignored)"},
529 {"pass", OPT_PASS, 's', "Private key and cert file pass phrase source"},
530 {"verify", OPT_VERIFY, 'p', "Turn on peer certificate verification"},
531 {"nameopt", OPT_NAMEOPT, 's', "Certificate subject/issuer name printing options"},
532 {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
533 {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
534 {"CAstore", OPT_CASTORE, ':', "URI to store of CA's"},
535 {"no-CAfile", OPT_NOCAFILE, '-',
536 "Do not load the default certificates file"},
537 {"no-CApath", OPT_NOCAPATH, '-',
538 "Do not load certificates from the default certificates directory"},
539 {"no-CAstore", OPT_NOCASTORE, '-',
540 "Do not load certificates from the default certificates store"},
541 {"requestCAfile", OPT_REQCAFILE, '<',
542 "PEM format file of CA names to send to the server"},
543 #if defined(TCP_FASTOPEN) && !defined(OPENSSL_NO_TFO)
544 {"tfo", OPT_TFO, '-', "Connect using TCP Fast Open"},
546 {"dane_tlsa_domain", OPT_DANE_TLSA_DOMAIN, 's', "DANE TLSA base domain"},
547 {"dane_tlsa_rrdata", OPT_DANE_TLSA_RRDATA, 's',
548 "DANE TLSA rrdata presentation form"},
549 {"dane_ee_no_namechecks", OPT_DANE_EE_NO_NAME, '-',
550 "Disable name checks when matching DANE-EE(3) TLSA records"},
551 {"psk_identity", OPT_PSK_IDENTITY, 's', "PSK identity"},
552 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"},
553 {"psk_session", OPT_PSK_SESS, '<', "File to read PSK SSL session from"},
554 {"name", OPT_PROTOHOST, 's',
555 "Hostname to use for \"-starttls lmtp\", \"-starttls smtp\" or \"-starttls xmpp[-server]\""},
557 OPT_SECTION("Session"),
558 {"reconnect", OPT_RECONNECT, '-',
559 "Drop and re-make the connection with the same Session-ID"},
560 {"sess_out", OPT_SESS_OUT, '>', "File to write SSL session to"},
561 {"sess_in", OPT_SESS_IN, '<', "File to read SSL session from"},
563 OPT_SECTION("Input/Output"),
564 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"},
565 {"quiet", OPT_QUIET, '-', "No s_client output"},
566 {"ign_eof", OPT_IGN_EOF, '-', "Ignore input eof (default when -quiet)"},
567 {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Don't ignore input eof"},
568 {"starttls", OPT_STARTTLS, 's',
569 "Use the appropriate STARTTLS command before starting TLS"},
570 {"xmpphost", OPT_XMPPHOST, 's',
571 "Alias of -name option for \"-starttls xmpp[-server]\""},
572 {"brief", OPT_BRIEF, '-',
573 "Restrict output to brief summary of connection parameters"},
574 {"prexit", OPT_PREXIT, '-',
575 "Print session information when the program exits"},
576 {"no-interactive", OPT_NO_INTERACTIVE, '-',
577 "Don't run the client in the interactive mode"},
579 OPT_SECTION("Debug"),
580 {"showcerts", OPT_SHOWCERTS, '-',
581 "Show all certificates sent by the server"},
582 {"debug", OPT_DEBUG, '-', "Extra output"},
583 {"msg", OPT_MSG, '-', "Show protocol messages"},
584 {"msgfile", OPT_MSGFILE, '>',
585 "File to send output of -msg or -trace, instead of stdout"},
586 {"nbio_test", OPT_NBIO_TEST, '-', "More ssl protocol testing"},
587 {"state", OPT_STATE, '-', "Print the ssl states"},
588 {"keymatexport", OPT_KEYMATEXPORT, 's',
589 "Export keying material using label"},
590 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
591 "Export len bytes of keying material; default 20"},
592 {"security_debug", OPT_SECURITY_DEBUG, '-',
593 "Enable security debug messages"},
594 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-',
595 "Output more security debug output"},
596 #ifndef OPENSSL_NO_SSL_TRACE
597 {"trace", OPT_TRACE, '-', "Show trace output of protocol messages"},
600 {"wdebug", OPT_WDEBUG, '-', "WATT-32 tcp debugging"},
602 {"keylogfile", OPT_KEYLOG_FILE, '>', "Write TLS secrets to file"},
603 {"nocommands", OPT_NOCMDS, '-', "Do not use interactive command letters"},
604 {"servername", OPT_SERVERNAME, 's',
605 "Set TLS extension servername (SNI) in ClientHello (default)"},
606 {"noservername", OPT_NOSERVERNAME, '-',
607 "Do not send the server name (SNI) extension in the ClientHello"},
608 {"tlsextdebug", OPT_TLSEXTDEBUG, '-',
609 "Hex dump of all TLS extensions received"},
610 {"ignore_unexpected_eof", OPT_IGNORE_UNEXPECTED_EOF, '-',
611 "Do not treat lack of close_notify from a peer as an error"},
612 #ifndef OPENSSL_NO_OCSP
613 {"status", OPT_STATUS, '-', "Request certificate status from server"},
615 {"serverinfo", OPT_SERVERINFO, 's',
616 "types Send empty ClientHello extensions (comma-separated numbers)"},
617 {"alpn", OPT_ALPN, 's',
618 "Enable ALPN extension, considering named protocols supported (comma-separated list)"},
619 {"async", OPT_ASYNC, '-', "Support asynchronous operation"},
620 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"},
622 OPT_SECTION("Protocol and version"),
623 #ifndef OPENSSL_NO_SSL3
624 {"ssl3", OPT_SSL3, '-', "Just use SSLv3"},
626 #ifndef OPENSSL_NO_TLS1
627 {"tls1", OPT_TLS1, '-', "Just use TLSv1"},
629 #ifndef OPENSSL_NO_TLS1_1
630 {"tls1_1", OPT_TLS1_1, '-', "Just use TLSv1.1"},
632 #ifndef OPENSSL_NO_TLS1_2
633 {"tls1_2", OPT_TLS1_2, '-', "Just use TLSv1.2"},
635 #ifndef OPENSSL_NO_TLS1_3
636 {"tls1_3", OPT_TLS1_3, '-', "Just use TLSv1.3"},
638 #ifndef OPENSSL_NO_DTLS
639 {"dtls", OPT_DTLS, '-', "Use any version of DTLS"},
640 {"timeout", OPT_TIMEOUT, '-',
641 "Enable send/receive timeout on DTLS connections"},
642 {"mtu", OPT_MTU, 'p', "Set the link layer MTU"},
644 #ifndef OPENSSL_NO_DTLS1
645 {"dtls1", OPT_DTLS1, '-', "Just use DTLSv1"},
647 #ifndef OPENSSL_NO_DTLS1_2
648 {"dtls1_2", OPT_DTLS1_2, '-', "Just use DTLSv1.2"},
650 #ifndef OPENSSL_NO_SCTP
651 {"sctp", OPT_SCTP, '-', "Use SCTP"},
652 {"sctp_label_bug", OPT_SCTP_LABEL_BUG, '-', "Enable SCTP label length bug"},
654 #ifndef OPENSSL_NO_NEXTPROTONEG
655 {"nextprotoneg", OPT_NEXTPROTONEG, 's',
656 "Enable NPN extension, considering named protocols supported (comma-separated list)"},
658 {"early_data", OPT_EARLY_DATA, '<', "File to send as early data"},
659 {"enable_pha", OPT_ENABLE_PHA, '-', "Enable post-handshake-authentication"},
660 #ifndef OPENSSL_NO_SRTP
661 {"use_srtp", OPT_USE_SRTP, 's',
662 "Offer SRTP key management with a colon-separated profile list"},
664 #ifndef OPENSSL_NO_SRP
665 {"srpuser", OPT_SRPUSER, 's', "(deprecated) SRP authentication for 'user'"},
666 {"srppass", OPT_SRPPASS, 's', "(deprecated) Password for 'user'"},
667 {"srp_lateuser", OPT_SRP_LATEUSER, '-',
668 "(deprecated) SRP username into second ClientHello message"},
669 {"srp_moregroups", OPT_SRP_MOREGROUPS, '-',
670 "(deprecated) Tolerate other than the known g N values."},
671 {"srp_strength", OPT_SRP_STRENGTH, 'p',
672 "(deprecated) Minimal length in bits for N"},
674 #ifndef OPENSSL_NO_KTLS
675 {"ktls", OPT_KTLS, '-', "Enable Kernel TLS for sending and receiving"},
681 {"CRL", OPT_CRL, '<', "CRL file to use"},
682 {"crl_download", OPT_CRL_DOWNLOAD, '-', "Download CRL from distribution points"},
683 {"CRLform", OPT_CRLFORM, 'F', "CRL format (PEM or DER); default PEM"},
684 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-',
685 "Close connection on verification error"},
686 {"verify_quiet", OPT_VERIFY_QUIET, '-', "Restrict verify output to errors"},
687 {"chainCAfile", OPT_CHAINCAFILE, '<',
688 "CA file for certificate chain (PEM format)"},
689 {"chainCApath", OPT_CHAINCAPATH, '/',
690 "Use dir as certificate store path to build CA certificate chain"},
691 {"chainCAstore", OPT_CHAINCASTORE, ':',
692 "CA store URI for certificate chain"},
693 {"verifyCAfile", OPT_VERIFYCAFILE, '<',
694 "CA file for certificate verification (PEM format)"},
695 {"verifyCApath", OPT_VERIFYCAPATH, '/',
696 "Use dir as certificate store path to verify CA certificate"},
697 {"verifyCAstore", OPT_VERIFYCASTORE, ':',
698 "CA store URI for certificate verification"},
703 {"host:port", 0, 0, "Where to connect; same as -connect option"},
707 typedef enum PROTOCOL_choice {
726 static const OPT_PAIR services[] = {
727 {"smtp", PROTO_SMTP},
728 {"pop3", PROTO_POP3},
729 {"imap", PROTO_IMAP},
731 {"xmpp", PROTO_XMPP},
732 {"xmpp-server", PROTO_XMPP_SERVER},
733 {"telnet", PROTO_TELNET},
735 {"mysql", PROTO_MYSQL},
736 {"postgres", PROTO_POSTGRES},
737 {"lmtp", PROTO_LMTP},
738 {"nntp", PROTO_NNTP},
739 {"sieve", PROTO_SIEVE},
740 {"ldap", PROTO_LDAP},
744 #define IS_INET_FLAG(o) \
745 (o == OPT_4 || o == OPT_6 || o == OPT_HOST || o == OPT_PORT || o == OPT_CONNECT)
746 #define IS_UNIX_FLAG(o) (o == OPT_UNIX)
748 #define IS_PROT_FLAG(o) \
749 (o == OPT_SSL3 || o == OPT_TLS1 || o == OPT_TLS1_1 || o == OPT_TLS1_2 \
750 || o == OPT_TLS1_3 || o == OPT_DTLS || o == OPT_DTLS1 || o == OPT_DTLS1_2)
752 /* Free |*dest| and optionally set it to a copy of |source|. */
753 static void freeandcopy(char **dest, const char *source)
758 *dest = OPENSSL_strdup(source);
761 static int new_session_cb(SSL *s, SSL_SESSION *sess)
764 if (sess_out != NULL) {
765 BIO *stmp = BIO_new_file(sess_out, "w");
768 BIO_printf(bio_err, "Error writing session file %s\n", sess_out);
770 PEM_write_bio_SSL_SESSION(stmp, sess);
776 * Session data gets dumped on connection for TLSv1.2 and below, and on
777 * arrival of the NewSessionTicket for TLSv1.3.
779 if (SSL_version(s) == TLS1_3_VERSION) {
780 BIO_printf(bio_c_out,
781 "---\nPost-Handshake New Session Ticket arrived:\n");
782 SSL_SESSION_print(bio_c_out, sess);
783 BIO_printf(bio_c_out, "---\n");
787 * We always return a "fail" response so that the session gets freed again
788 * because we haven't used the reference.
793 int s_client_main(int argc, char **argv)
796 EVP_PKEY *key = NULL;
799 STACK_OF(X509) *chain = NULL;
801 X509_VERIFY_PARAM *vpm = NULL;
802 SSL_EXCERT *exc = NULL;
803 SSL_CONF_CTX *cctx = NULL;
804 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
805 char *dane_tlsa_domain = NULL;
806 STACK_OF(OPENSSL_STRING) *dane_tlsa_rrset = NULL;
807 int dane_ee_no_name = 0;
808 STACK_OF(X509_CRL) *crls = NULL;
809 const SSL_METHOD *meth = TLS_client_method();
810 const char *CApath = NULL, *CAfile = NULL, *CAstore = NULL;
811 char *cbuf = NULL, *sbuf = NULL, *mbuf = NULL;
812 char *proxystr = NULL, *proxyuser = NULL;
813 char *proxypassarg = NULL, *proxypass = NULL;
814 char *connectstr = NULL, *bindstr = NULL;
815 char *cert_file = NULL, *key_file = NULL, *chain_file = NULL;
816 char *chCApath = NULL, *chCAfile = NULL, *chCAstore = NULL, *host = NULL;
817 char *thost = NULL, *tport = NULL;
819 char *bindhost = NULL, *bindport = NULL;
820 char *passarg = NULL, *pass = NULL;
821 char *vfyCApath = NULL, *vfyCAfile = NULL, *vfyCAstore = NULL;
822 char *ReqCAfile = NULL;
823 char *sess_in = NULL, *crl_file = NULL, *p;
824 const char *protohost = NULL;
825 struct timeval timeout, *timeoutp;
826 fd_set readfds, writefds;
827 int noCApath = 0, noCAfile = 0, noCAstore = 0;
828 int build_chain = 0, cbuf_len, cbuf_off, cert_format = FORMAT_UNDEF;
829 int key_format = FORMAT_UNDEF, crlf = 0, full_log = 1, mbuf_len = 0;
831 int nointeractive = 0;
833 int reconnect = 0, verify = SSL_VERIFY_NONE, vpmtouched = 0;
834 int ret = 1, in_init = 1, i, nbio_test = 0, sock = -1, k, width, state = 0;
835 int sbuf_len, sbuf_off, cmdletters = 1;
836 int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM, protocol = 0;
837 int starttls_proto = PROTO_OFF, crl_format = FORMAT_UNDEF, crl_download = 0;
838 int write_tty, read_tty, write_ssl, read_ssl, tty_on, ssl_pending;
839 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
842 int read_buf_len = 0;
843 int fallback_scsv = 0;
845 #ifndef OPENSSL_NO_DTLS
846 int enable_timeouts = 0;
849 #ifndef OPENSSL_NO_ENGINE
850 ENGINE *ssl_client_engine = NULL;
853 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
856 const char *servername = NULL;
857 char *sname_alloc = NULL;
858 int noservername = 0;
859 const char *alpn_in = NULL;
860 tlsextctx tlsextcbp = { NULL, 0 };
861 const char *ssl_config = NULL;
862 #define MAX_SI_TYPES 100
863 unsigned short serverinfo_types[MAX_SI_TYPES];
864 int serverinfo_count = 0, start = 0, len;
865 #ifndef OPENSSL_NO_NEXTPROTONEG
866 const char *next_proto_neg_in = NULL;
868 #ifndef OPENSSL_NO_SRP
869 char *srppass = NULL;
870 int srp_lateuser = 0;
871 SRP_ARG srp_arg = { NULL, NULL, 0, 0, 0, 1024 };
873 #ifndef OPENSSL_NO_SRTP
874 char *srtp_profiles = NULL;
876 #ifndef OPENSSL_NO_CT
877 char *ctlog_file = NULL;
878 int ct_validation = 0;
880 int min_version = 0, max_version = 0, prot_opt = 0, no_prot_opt = 0;
882 unsigned int max_send_fragment = 0;
883 unsigned int split_send_fragment = 0, max_pipelines = 0;
884 enum { use_inet, use_unix, use_unknown } connect_type = use_unknown;
886 uint8_t maxfraglen = 0;
887 int c_nbio = 0, c_msg = 0, c_ign_eof = 0, c_brief = 0;
888 int c_tlsextdebug = 0;
889 #ifndef OPENSSL_NO_OCSP
890 int c_status_req = 0;
892 BIO *bio_c_msg = NULL;
893 const char *keylog_file = NULL, *early_data_file = NULL;
894 #ifndef OPENSSL_NO_DTLS
897 char *psksessf = NULL;
899 #ifndef OPENSSL_NO_SCTP
900 int sctp_label_bug = 0;
902 int ignore_unexpected_eof = 0;
903 #ifndef OPENSSL_NO_KTLS
907 BIO_ADDR *tfo_addr = NULL;
911 /* Known false-positive of MemorySanitizer. */
912 #if defined(__has_feature)
913 # if __has_feature(memory_sanitizer)
914 __msan_unpoison(&readfds, sizeof(readfds));
915 __msan_unpoison(&writefds, sizeof(writefds));
923 port = OPENSSL_strdup(PORT);
924 vpm = X509_VERIFY_PARAM_new();
925 cctx = SSL_CONF_CTX_new();
927 if (port == NULL || vpm == NULL || cctx == NULL) {
928 BIO_printf(bio_err, "%s: out of memory\n", opt_getprog());
932 cbuf = app_malloc(BUFSIZZ, "cbuf");
933 sbuf = app_malloc(BUFSIZZ, "sbuf");
934 mbuf = app_malloc(BUFSIZZ, "mbuf");
936 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT | SSL_CONF_FLAG_CMDLINE);
938 prog = opt_init(argc, argv, s_client_options);
939 while ((o = opt_next()) != OPT_EOF) {
940 /* Check for intermixing flags. */
941 if (connect_type == use_unix && IS_INET_FLAG(o)) {
943 "%s: Intermixed protocol flags (unix and internet domains)\n",
947 if (connect_type == use_inet && IS_UNIX_FLAG(o)) {
949 "%s: Intermixed protocol flags (internet and unix domains)\n",
954 if (IS_PROT_FLAG(o) && ++prot_opt > 1) {
955 BIO_printf(bio_err, "Cannot supply multiple protocol flags\n");
958 if (IS_NO_PROT_FLAG(o))
960 if (prot_opt == 1 && no_prot_opt) {
962 "Cannot supply both a protocol flag and '-no_<prot>'\n");
970 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
973 opt_help(s_client_options);
977 connect_type = use_inet;
978 socket_family = AF_INET;
983 connect_type = use_inet;
984 socket_family = AF_INET6;
989 connect_type = use_inet;
990 freeandcopy(&host, opt_arg());
993 connect_type = use_inet;
994 freeandcopy(&port, opt_arg());
997 connect_type = use_inet;
998 freeandcopy(&connectstr, opt_arg());
1001 freeandcopy(&bindstr, opt_arg());
1004 proxystr = opt_arg();
1005 starttls_proto = PROTO_CONNECT;
1007 case OPT_PROXY_USER:
1008 proxyuser = opt_arg();
1010 case OPT_PROXY_PASS:
1011 proxypassarg = opt_arg();
1015 connect_type = use_unix;
1016 socket_family = AF_UNIX;
1017 freeandcopy(&host, opt_arg());
1021 /* fall through, since this is an alias */
1023 protohost = opt_arg();
1026 verify = SSL_VERIFY_PEER;
1027 verify_args.depth = atoi(opt_arg());
1029 BIO_printf(bio_err, "verify depth is %d\n", verify_args.depth);
1032 cert_file = opt_arg();
1035 if (!set_nameopt(opt_arg()))
1039 crl_file = opt_arg();
1041 case OPT_CRL_DOWNLOAD:
1045 sess_out = opt_arg();
1048 sess_in = opt_arg();
1051 if (!opt_format(opt_arg(), OPT_FMT_ANY, &cert_format))
1055 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
1058 case OPT_VERIFY_RET_ERROR:
1059 verify = SSL_VERIFY_PEER;
1060 verify_args.return_error = 1;
1062 case OPT_VERIFY_QUIET:
1063 verify_args.quiet = 1;
1066 c_brief = verify_args.quiet = c_quiet = 1;
1069 if (ssl_args == NULL)
1070 ssl_args = sk_OPENSSL_STRING_new_null();
1071 if (ssl_args == NULL
1072 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
1073 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
1074 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1079 if (!opt_verify(o, vpm))
1084 if (!args_excert(o, &exc))
1087 case OPT_IGNORE_UNEXPECTED_EOF:
1088 ignore_unexpected_eof = 1;
1093 case OPT_NO_INTERACTIVE:
1100 c_quiet = c_ign_eof = 1;
1109 e = setup_engine(opt_arg(), 1);
1111 case OPT_SSL_CLIENT_ENGINE:
1112 #ifndef OPENSSL_NO_ENGINE
1113 ssl_client_engine = setup_engine(opt_arg(), 0);
1114 if (ssl_client_engine == NULL) {
1115 BIO_printf(bio_err, "Error getting client auth engine\n");
1124 case OPT_PROV_CASES:
1125 if (!opt_provider(o))
1131 case OPT_NO_IGN_EOF:
1137 case OPT_TLSEXTDEBUG:
1141 #ifndef OPENSSL_NO_OCSP
1154 bio_c_msg = BIO_new_file(opt_arg(), "w");
1155 if (bio_c_msg == NULL) {
1156 BIO_printf(bio_err, "Error writing file %s\n", opt_arg());
1161 #ifndef OPENSSL_NO_SSL_TRACE
1165 case OPT_SECURITY_DEBUG:
1168 case OPT_SECURITY_DEBUG_VERBOSE:
1180 case OPT_PSK_IDENTITY:
1181 psk_identity = opt_arg();
1184 for (p = psk_key = opt_arg(); *p; p++) {
1185 if (isxdigit(_UC(*p)))
1187 BIO_printf(bio_err, "Not a hex number '%s'\n", psk_key);
1192 psksessf = opt_arg();
1194 #ifndef OPENSSL_NO_SRP
1196 srp_arg.srplogin = opt_arg();
1197 if (min_version < TLS1_VERSION)
1198 min_version = TLS1_VERSION;
1201 srppass = opt_arg();
1202 if (min_version < TLS1_VERSION)
1203 min_version = TLS1_VERSION;
1205 case OPT_SRP_STRENGTH:
1206 srp_arg.strength = atoi(opt_arg());
1207 BIO_printf(bio_err, "SRP minimal length for N is %d\n",
1209 if (min_version < TLS1_VERSION)
1210 min_version = TLS1_VERSION;
1212 case OPT_SRP_LATEUSER:
1214 if (min_version < TLS1_VERSION)
1215 min_version = TLS1_VERSION;
1217 case OPT_SRP_MOREGROUPS:
1219 if (min_version < TLS1_VERSION)
1220 min_version = TLS1_VERSION;
1223 case OPT_SSL_CONFIG:
1224 ssl_config = opt_arg();
1227 min_version = SSL3_VERSION;
1228 max_version = SSL3_VERSION;
1229 socket_type = SOCK_STREAM;
1230 #ifndef OPENSSL_NO_DTLS
1235 min_version = TLS1_3_VERSION;
1236 max_version = TLS1_3_VERSION;
1237 socket_type = SOCK_STREAM;
1238 #ifndef OPENSSL_NO_DTLS
1243 min_version = TLS1_2_VERSION;
1244 max_version = TLS1_2_VERSION;
1245 socket_type = SOCK_STREAM;
1246 #ifndef OPENSSL_NO_DTLS
1251 min_version = TLS1_1_VERSION;
1252 max_version = TLS1_1_VERSION;
1253 socket_type = SOCK_STREAM;
1254 #ifndef OPENSSL_NO_DTLS
1259 min_version = TLS1_VERSION;
1260 max_version = TLS1_VERSION;
1261 socket_type = SOCK_STREAM;
1262 #ifndef OPENSSL_NO_DTLS
1267 #ifndef OPENSSL_NO_DTLS
1268 meth = DTLS_client_method();
1269 socket_type = SOCK_DGRAM;
1274 #ifndef OPENSSL_NO_DTLS1
1275 meth = DTLS_client_method();
1276 min_version = DTLS1_VERSION;
1277 max_version = DTLS1_VERSION;
1278 socket_type = SOCK_DGRAM;
1283 #ifndef OPENSSL_NO_DTLS1_2
1284 meth = DTLS_client_method();
1285 min_version = DTLS1_2_VERSION;
1286 max_version = DTLS1_2_VERSION;
1287 socket_type = SOCK_DGRAM;
1292 #ifndef OPENSSL_NO_SCTP
1293 protocol = IPPROTO_SCTP;
1296 case OPT_SCTP_LABEL_BUG:
1297 #ifndef OPENSSL_NO_SCTP
1302 #ifndef OPENSSL_NO_DTLS
1303 enable_timeouts = 1;
1307 #ifndef OPENSSL_NO_DTLS
1308 socket_mtu = atol(opt_arg());
1311 case OPT_FALLBACKSCSV:
1315 if (!opt_format(opt_arg(), OPT_FMT_ANY, &key_format))
1319 passarg = opt_arg();
1321 case OPT_CERT_CHAIN:
1322 chain_file = opt_arg();
1325 key_file = opt_arg();
1336 case OPT_CHAINCAPATH:
1337 chCApath = opt_arg();
1339 case OPT_VERIFYCAPATH:
1340 vfyCApath = opt_arg();
1342 case OPT_BUILD_CHAIN:
1346 ReqCAfile = opt_arg();
1354 #ifndef OPENSSL_NO_CT
1361 case OPT_CTLOG_FILE:
1362 ctlog_file = opt_arg();
1365 case OPT_CHAINCAFILE:
1366 chCAfile = opt_arg();
1368 case OPT_VERIFYCAFILE:
1369 vfyCAfile = opt_arg();
1372 CAstore = opt_arg();
1377 case OPT_CHAINCASTORE:
1378 chCAstore = opt_arg();
1380 case OPT_VERIFYCASTORE:
1381 vfyCAstore = opt_arg();
1383 case OPT_DANE_TLSA_DOMAIN:
1384 dane_tlsa_domain = opt_arg();
1386 case OPT_DANE_TLSA_RRDATA:
1387 if (dane_tlsa_rrset == NULL)
1388 dane_tlsa_rrset = sk_OPENSSL_STRING_new_null();
1389 if (dane_tlsa_rrset == NULL ||
1390 !sk_OPENSSL_STRING_push(dane_tlsa_rrset, opt_arg())) {
1391 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1395 case OPT_DANE_EE_NO_NAME:
1396 dane_ee_no_name = 1;
1398 case OPT_NEXTPROTONEG:
1399 #ifndef OPENSSL_NO_NEXTPROTONEG
1400 next_proto_neg_in = opt_arg();
1404 alpn_in = opt_arg();
1406 case OPT_SERVERINFO:
1409 for (start = 0, i = 0; i <= len; ++i) {
1410 if (i == len || p[i] == ',') {
1411 serverinfo_types[serverinfo_count] = atoi(p + start);
1412 if (++serverinfo_count == MAX_SI_TYPES)
1419 if (!opt_pair(opt_arg(), services, &starttls_proto))
1425 case OPT_SERVERNAME:
1426 servername = opt_arg();
1428 case OPT_NOSERVERNAME:
1432 #ifndef OPENSSL_NO_SRTP
1433 srtp_profiles = opt_arg();
1436 case OPT_KEYMATEXPORT:
1437 keymatexportlabel = opt_arg();
1439 case OPT_KEYMATEXPORTLEN:
1440 keymatexportlen = atoi(opt_arg());
1445 case OPT_MAXFRAGLEN:
1446 len = atoi(opt_arg());
1449 maxfraglen = TLSEXT_max_fragment_length_512;
1452 maxfraglen = TLSEXT_max_fragment_length_1024;
1455 maxfraglen = TLSEXT_max_fragment_length_2048;
1458 maxfraglen = TLSEXT_max_fragment_length_4096;
1462 "%s: Max Fragment Len %u is out of permitted values",
1467 case OPT_MAX_SEND_FRAG:
1468 max_send_fragment = atoi(opt_arg());
1470 case OPT_SPLIT_SEND_FRAG:
1471 split_send_fragment = atoi(opt_arg());
1473 case OPT_MAX_PIPELINES:
1474 max_pipelines = atoi(opt_arg());
1477 read_buf_len = atoi(opt_arg());
1479 case OPT_KEYLOG_FILE:
1480 keylog_file = opt_arg();
1482 case OPT_EARLY_DATA:
1483 early_data_file = opt_arg();
1485 case OPT_ENABLE_PHA:
1489 #ifndef OPENSSL_NO_KTLS
1496 /* Optional argument is connect string if -connect not used. */
1497 if (opt_num_rest() == 1) {
1498 /* Don't allow -connect and a separate argument. */
1499 if (connectstr != NULL) {
1501 "%s: cannot provide both -connect option and target parameter\n",
1505 connect_type = use_inet;
1506 freeandcopy(&connectstr, *opt_rest());
1507 } else if (!opt_check_rest_arg(NULL)) {
1510 if (!app_RAND_load())
1513 if (count4or6 >= 2) {
1514 BIO_printf(bio_err, "%s: Can't use both -4 and -6\n", prog);
1518 if (servername != NULL) {
1520 "%s: Can't use -servername and -noservername together\n",
1524 if (dane_tlsa_domain != NULL) {
1526 "%s: Can't use -dane_tlsa_domain and -noservername together\n",
1532 #ifndef OPENSSL_NO_NEXTPROTONEG
1533 if (min_version == TLS1_3_VERSION && next_proto_neg_in != NULL) {
1534 BIO_printf(bio_err, "Cannot supply -nextprotoneg with TLSv1.3\n");
1539 if (connectstr != NULL) {
1541 char *tmp_host = host, *tmp_port = port;
1543 res = BIO_parse_hostserv(connectstr, &host, &port, BIO_PARSE_PRIO_HOST);
1544 if (tmp_host != host)
1545 OPENSSL_free(tmp_host);
1546 if (tmp_port != port)
1547 OPENSSL_free(tmp_port);
1550 "%s: -connect argument or target parameter malformed or ambiguous\n",
1556 if (proxystr != NULL) {
1558 char *tmp_host = host, *tmp_port = port;
1560 if (host == NULL || port == NULL) {
1561 BIO_printf(bio_err, "%s: -proxy requires use of -connect or target parameter\n", prog);
1565 if (servername == NULL && !noservername) {
1566 servername = sname_alloc = OPENSSL_strdup(host);
1567 if (sname_alloc == NULL) {
1568 BIO_printf(bio_err, "%s: out of memory\n", prog);
1573 /* Retain the original target host:port for use in the HTTP proxy connect string */
1574 thost = OPENSSL_strdup(host);
1575 tport = OPENSSL_strdup(port);
1576 if (thost == NULL || tport == NULL) {
1577 BIO_printf(bio_err, "%s: out of memory\n", prog);
1581 res = BIO_parse_hostserv(proxystr, &host, &port, BIO_PARSE_PRIO_HOST);
1582 if (tmp_host != host)
1583 OPENSSL_free(tmp_host);
1584 if (tmp_port != port)
1585 OPENSSL_free(tmp_port);
1588 "%s: -proxy argument malformed or ambiguous\n", prog);
1593 if (bindstr != NULL) {
1595 res = BIO_parse_hostserv(bindstr, &bindhost, &bindport,
1596 BIO_PARSE_PRIO_HOST);
1599 "%s: -bind argument parameter malformed or ambiguous\n",
1606 if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) {
1608 "Can't use unix sockets and datagrams together\n");
1613 #ifndef OPENSSL_NO_SCTP
1614 if (protocol == IPPROTO_SCTP) {
1615 if (socket_type != SOCK_DGRAM) {
1616 BIO_printf(bio_err, "Can't use -sctp without DTLS\n");
1619 /* SCTP is unusual. It uses DTLS over a SOCK_STREAM protocol */
1620 socket_type = SOCK_STREAM;
1624 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1625 next_proto.status = -1;
1626 if (next_proto_neg_in) {
1628 next_protos_parse(&next_proto.len, next_proto_neg_in);
1629 if (next_proto.data == NULL) {
1630 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n");
1634 next_proto.data = NULL;
1637 if (!app_passwd(passarg, NULL, &pass, NULL)) {
1638 BIO_printf(bio_err, "Error getting private key password\n");
1642 if (!app_passwd(proxypassarg, NULL, &proxypass, NULL)) {
1643 BIO_printf(bio_err, "Error getting proxy password\n");
1647 if (proxypass != NULL && proxyuser == NULL) {
1648 BIO_printf(bio_err, "Error: Must specify proxy_user with proxy_pass\n");
1652 if (key_file == NULL)
1653 key_file = cert_file;
1655 if (key_file != NULL) {
1656 key = load_key(key_file, key_format, 0, pass, e,
1657 "client certificate private key");
1662 if (cert_file != NULL) {
1663 cert = load_cert_pass(cert_file, cert_format, 1, pass,
1664 "client certificate");
1669 if (chain_file != NULL) {
1670 if (!load_certs(chain_file, 0, &chain, pass, "client certificate chain"))
1674 if (crl_file != NULL) {
1676 crl = load_crl(crl_file, crl_format, 0, "CRL");
1679 crls = sk_X509_CRL_new_null();
1680 if (crls == NULL || !sk_X509_CRL_push(crls, crl)) {
1681 BIO_puts(bio_err, "Error adding CRL\n");
1682 ERR_print_errors(bio_err);
1688 if (!load_excert(&exc))
1691 if (bio_c_out == NULL) {
1692 if (c_quiet && !c_debug) {
1693 bio_c_out = BIO_new(BIO_s_null());
1694 if (c_msg && bio_c_msg == NULL) {
1695 bio_c_msg = dup_bio_out(FORMAT_TEXT);
1696 if (bio_c_msg == NULL) {
1697 BIO_printf(bio_err, "Out of memory\n");
1702 bio_c_out = dup_bio_out(FORMAT_TEXT);
1705 if (bio_c_out == NULL) {
1706 BIO_printf(bio_err, "Unable to create BIO\n");
1710 #ifndef OPENSSL_NO_SRP
1711 if (!app_passwd(srppass, NULL, &srp_arg.srppassin, NULL)) {
1712 BIO_printf(bio_err, "Error getting password\n");
1717 ctx = SSL_CTX_new_ex(app_get0_libctx(), app_get0_propq(), meth);
1719 ERR_print_errors(bio_err);
1723 SSL_CTX_clear_mode(ctx, SSL_MODE_AUTO_RETRY);
1726 ssl_ctx_security_debug(ctx, sdebug);
1728 if (!config_ctx(cctx, ssl_args, ctx))
1731 if (ssl_config != NULL) {
1732 if (SSL_CTX_config(ctx, ssl_config) == 0) {
1733 BIO_printf(bio_err, "Error using configuration \"%s\"\n",
1735 ERR_print_errors(bio_err);
1740 #ifndef OPENSSL_NO_SCTP
1741 if (protocol == IPPROTO_SCTP && sctp_label_bug == 1)
1742 SSL_CTX_set_mode(ctx, SSL_MODE_DTLS_SCTP_LABEL_LENGTH_BUG);
1745 if (min_version != 0
1746 && SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
1748 if (max_version != 0
1749 && SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
1752 if (ignore_unexpected_eof)
1753 SSL_CTX_set_options(ctx, SSL_OP_IGNORE_UNEXPECTED_EOF);
1754 #ifndef OPENSSL_NO_KTLS
1756 SSL_CTX_set_options(ctx, SSL_OP_ENABLE_KTLS);
1759 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
1760 BIO_printf(bio_err, "Error setting verify params\n");
1761 ERR_print_errors(bio_err);
1766 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
1769 if (max_send_fragment > 0
1770 && !SSL_CTX_set_max_send_fragment(ctx, max_send_fragment)) {
1771 BIO_printf(bio_err, "%s: Max send fragment size %u is out of permitted range\n",
1772 prog, max_send_fragment);
1776 if (split_send_fragment > 0
1777 && !SSL_CTX_set_split_send_fragment(ctx, split_send_fragment)) {
1778 BIO_printf(bio_err, "%s: Split send fragment size %u is out of permitted range\n",
1779 prog, split_send_fragment);
1783 if (max_pipelines > 0
1784 && !SSL_CTX_set_max_pipelines(ctx, max_pipelines)) {
1785 BIO_printf(bio_err, "%s: Max pipelines %u is out of permitted range\n",
1786 prog, max_pipelines);
1790 if (read_buf_len > 0) {
1791 SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len);
1795 && !SSL_CTX_set_tlsext_max_fragment_length(ctx, maxfraglen)) {
1797 "%s: Max Fragment Length code %u is out of permitted values"
1798 "\n", prog, maxfraglen);
1802 if (!ssl_load_stores(ctx,
1803 vfyCApath, vfyCAfile, vfyCAstore,
1804 chCApath, chCAfile, chCAstore,
1805 crls, crl_download)) {
1806 BIO_printf(bio_err, "Error loading store locations\n");
1807 ERR_print_errors(bio_err);
1810 if (ReqCAfile != NULL) {
1811 STACK_OF(X509_NAME) *nm = sk_X509_NAME_new_null();
1813 if (nm == NULL || !SSL_add_file_cert_subjects_to_stack(nm, ReqCAfile)) {
1814 sk_X509_NAME_pop_free(nm, X509_NAME_free);
1815 BIO_printf(bio_err, "Error loading CA names\n");
1816 ERR_print_errors(bio_err);
1819 SSL_CTX_set0_CA_list(ctx, nm);
1821 #ifndef OPENSSL_NO_ENGINE
1822 if (ssl_client_engine) {
1823 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine)) {
1824 BIO_puts(bio_err, "Error setting client auth engine\n");
1825 ERR_print_errors(bio_err);
1826 release_engine(ssl_client_engine);
1829 release_engine(ssl_client_engine);
1833 #ifndef OPENSSL_NO_PSK
1834 if (psk_key != NULL) {
1836 BIO_printf(bio_c_out, "PSK key given, setting client callback\n");
1837 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
1840 if (psksessf != NULL) {
1841 BIO *stmp = BIO_new_file(psksessf, "r");
1844 BIO_printf(bio_err, "Can't open PSK session file %s\n", psksessf);
1845 ERR_print_errors(bio_err);
1848 psksess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1850 if (psksess == NULL) {
1851 BIO_printf(bio_err, "Can't read PSK session file %s\n", psksessf);
1852 ERR_print_errors(bio_err);
1856 if (psk_key != NULL || psksess != NULL)
1857 SSL_CTX_set_psk_use_session_callback(ctx, psk_use_session_cb);
1859 #ifndef OPENSSL_NO_SRTP
1860 if (srtp_profiles != NULL) {
1861 /* Returns 0 on success! */
1862 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
1863 BIO_printf(bio_err, "Error setting SRTP profile\n");
1864 ERR_print_errors(bio_err);
1871 ssl_ctx_set_excert(ctx, exc);
1873 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1874 if (next_proto.data != NULL)
1875 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
1879 unsigned char *alpn = next_protos_parse(&alpn_len, alpn_in);
1882 BIO_printf(bio_err, "Error parsing -alpn argument\n");
1885 /* Returns 0 on success! */
1886 if (SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len) != 0) {
1887 BIO_printf(bio_err, "Error setting ALPN\n");
1893 for (i = 0; i < serverinfo_count; i++) {
1894 if (!SSL_CTX_add_client_custom_ext(ctx,
1895 serverinfo_types[i],
1897 serverinfo_cli_parse_cb, NULL)) {
1899 "Warning: Unable to add custom extension %u, skipping\n",
1900 serverinfo_types[i]);
1905 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1907 #ifndef OPENSSL_NO_CT
1908 /* Enable SCT processing, without early connection termination */
1909 if (ct_validation &&
1910 !SSL_CTX_enable_ct(ctx, SSL_CT_VALIDATION_PERMISSIVE)) {
1911 ERR_print_errors(bio_err);
1915 if (!ctx_set_ctlog_list_file(ctx, ctlog_file)) {
1916 if (ct_validation) {
1917 ERR_print_errors(bio_err);
1922 * If CT validation is not enabled, the log list isn't needed so don't
1923 * show errors or abort. We try to load it regardless because then we
1924 * can show the names of the logs any SCTs came from (SCTs may be seen
1925 * even with validation disabled).
1931 SSL_CTX_set_verify(ctx, verify, verify_callback);
1933 if (!ctx_set_verify_locations(ctx, CAfile, noCAfile, CApath, noCApath,
1934 CAstore, noCAstore)) {
1935 ERR_print_errors(bio_err);
1939 ssl_ctx_add_crls(ctx, crls, crl_download);
1941 if (!set_cert_key_stuff(ctx, cert, key, chain, build_chain))
1944 if (!noservername) {
1945 tlsextcbp.biodebug = bio_err;
1946 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1947 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1949 #ifndef OPENSSL_NO_SRP
1950 if (srp_arg.srplogin != NULL
1951 && !set_up_srp_arg(ctx, &srp_arg, srp_lateuser, c_msg, c_debug))
1955 if (dane_tlsa_domain != NULL) {
1956 if (SSL_CTX_dane_enable(ctx) <= 0) {
1958 "%s: Error enabling DANE TLSA authentication.\n",
1960 ERR_print_errors(bio_err);
1966 * In TLSv1.3 NewSessionTicket messages arrive after the handshake and can
1967 * come at any time. Therefore we use a callback to write out the session
1968 * when we know about it. This approach works for < TLSv1.3 as well.
1970 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_CLIENT
1971 | SSL_SESS_CACHE_NO_INTERNAL_STORE);
1972 SSL_CTX_sess_set_new_cb(ctx, new_session_cb);
1974 if (set_keylog_file(ctx, keylog_file))
1982 SSL_set_post_handshake_auth(con, 1);
1984 if (sess_in != NULL) {
1986 BIO *stmp = BIO_new_file(sess_in, "r");
1988 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1989 ERR_print_errors(bio_err);
1992 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1995 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1996 ERR_print_errors(bio_err);
1999 if (!SSL_set_session(con, sess)) {
2000 BIO_printf(bio_err, "Can't set session\n");
2001 ERR_print_errors(bio_err);
2005 SSL_SESSION_free(sess);
2009 SSL_set_mode(con, SSL_MODE_SEND_FALLBACK_SCSV);
2011 if (!noservername && (servername != NULL || dane_tlsa_domain == NULL)) {
2012 if (servername == NULL) {
2013 if (host == NULL || is_dNS_name(host))
2014 servername = (host == NULL) ? "localhost" : host;
2016 if (servername != NULL && !SSL_set_tlsext_host_name(con, servername)) {
2017 BIO_printf(bio_err, "Unable to set TLS servername extension.\n");
2018 ERR_print_errors(bio_err);
2023 if (dane_tlsa_domain != NULL) {
2024 if (SSL_dane_enable(con, dane_tlsa_domain) <= 0) {
2025 BIO_printf(bio_err, "%s: Error enabling DANE TLSA "
2026 "authentication.\n", prog);
2027 ERR_print_errors(bio_err);
2030 if (dane_tlsa_rrset == NULL) {
2031 BIO_printf(bio_err, "%s: DANE TLSA authentication requires at "
2032 "least one -dane_tlsa_rrdata option.\n", prog);
2035 if (tlsa_import_rrset(con, dane_tlsa_rrset) <= 0) {
2036 BIO_printf(bio_err, "%s: Failed to import any TLSA "
2037 "records.\n", prog);
2040 if (dane_ee_no_name)
2041 SSL_dane_set_flags(con, DANE_FLAG_NO_DANE_EE_NAMECHECKS);
2042 } else if (dane_tlsa_rrset != NULL) {
2043 BIO_printf(bio_err, "%s: DANE TLSA authentication requires the "
2044 "-dane_tlsa_domain option.\n", prog);
2047 #ifndef OPENSSL_NO_DTLS
2048 if (isdtls && tfo) {
2049 BIO_printf(bio_err, "%s: DTLS does not support the -tfo option\n", prog);
2055 BIO_printf(bio_c_out, "Connecting via TFO\n");
2057 if (init_client(&sock, host, port, bindhost, bindport, socket_family,
2058 socket_type, protocol, tfo, &tfo_addr) == 0) {
2059 BIO_printf(bio_err, "connect:errno=%d\n", get_last_socket_error());
2060 BIO_closesocket(sock);
2063 BIO_printf(bio_c_out, "CONNECTED(%08X)\n", sock);
2066 if (!BIO_socket_nbio(sock, 1)) {
2067 ERR_print_errors(bio_err);
2070 BIO_printf(bio_c_out, "Turned on non blocking io\n");
2072 #ifndef OPENSSL_NO_DTLS
2074 union BIO_sock_info_u peer_info;
2076 #ifndef OPENSSL_NO_SCTP
2077 if (protocol == IPPROTO_SCTP)
2078 sbio = BIO_new_dgram_sctp(sock, BIO_NOCLOSE);
2081 sbio = BIO_new_dgram(sock, BIO_NOCLOSE);
2083 if (sbio == NULL || (peer_info.addr = BIO_ADDR_new()) == NULL) {
2084 BIO_printf(bio_err, "memory allocation failure\n");
2086 BIO_closesocket(sock);
2089 if (!BIO_sock_info(sock, BIO_SOCK_INFO_ADDRESS, &peer_info)) {
2090 BIO_printf(bio_err, "getsockname:errno=%d\n",
2091 get_last_socket_error());
2093 BIO_ADDR_free(peer_info.addr);
2094 BIO_closesocket(sock);
2098 (void)BIO_ctrl_set_connected(sbio, peer_info.addr);
2099 BIO_ADDR_free(peer_info.addr);
2100 peer_info.addr = NULL;
2102 if (enable_timeouts) {
2104 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2105 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2108 timeout.tv_usec = DGRAM_SND_TIMEOUT;
2109 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2113 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
2114 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
2115 DTLS_get_link_min_mtu(con));
2119 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2120 if (!DTLS_set_link_mtu(con, socket_mtu)) {
2121 BIO_printf(bio_err, "Failed to set MTU\n");
2126 /* want to do MTU discovery */
2127 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2130 #endif /* OPENSSL_NO_DTLS */
2131 sbio = BIO_new_socket(sock, BIO_NOCLOSE);
2134 BIO_printf(bio_err, "Unable to create BIO\n");
2135 ERR_print_errors(bio_err);
2136 BIO_closesocket(sock);
2140 /* Now that we're using a BIO... */
2141 if (tfo_addr != NULL)
2142 (void)BIO_set_conn_address(sbio, tfo_addr);
2144 (void)BIO_set_tfo(sbio, 1);
2149 test = BIO_new(BIO_f_nbio_test());
2151 BIO_printf(bio_err, "Unable to create BIO\n");
2155 sbio = BIO_push(test, sbio);
2159 BIO_set_callback_ex(sbio, bio_dump_callback);
2160 BIO_set_callback_arg(sbio, (char *)bio_c_out);
2163 #ifndef OPENSSL_NO_SSL_TRACE
2165 SSL_set_msg_callback(con, SSL_trace);
2168 SSL_set_msg_callback(con, msg_cb);
2169 SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out);
2172 if (c_tlsextdebug) {
2173 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2174 SSL_set_tlsext_debug_arg(con, bio_c_out);
2176 #ifndef OPENSSL_NO_OCSP
2178 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
2179 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
2180 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
2184 SSL_set_bio(con, sbio, sbio);
2185 SSL_set_connect_state(con);
2187 /* ok, lets connect */
2188 if (fileno_stdin() > SSL_get_fd(con))
2189 width = fileno_stdin() + 1;
2191 width = SSL_get_fd(con) + 1;
2204 switch ((PROTOCOL_CHOICE) starttls_proto) {
2211 * This is an ugly hack that does a lot of assumptions. We do
2212 * have to handle multi-line responses which may come in a single
2213 * packet or not. We therefore have to use BIO_gets() which does
2214 * need a buffering BIO. So during the initial chitchat we do
2215 * push a buffering BIO into the chain that is removed again
2216 * later on to not disturb the rest of the s_client operation.
2219 BIO *fbio = BIO_new(BIO_f_buffer());
2222 BIO_printf(bio_err, "Unable to create BIO\n");
2225 BIO_push(fbio, sbio);
2226 /* Wait for multi-line response to end from LMTP or SMTP */
2228 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2229 } while (mbuf_len > 3 && mbuf[3] == '-');
2230 if (protohost == NULL)
2231 protohost = "mail.example.com";
2232 if (starttls_proto == (int)PROTO_LMTP)
2233 BIO_printf(fbio, "LHLO %s\r\n", protohost);
2235 BIO_printf(fbio, "EHLO %s\r\n", protohost);
2236 (void)BIO_flush(fbio);
2238 * Wait for multi-line response to end LHLO LMTP or EHLO SMTP
2242 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2243 if (strstr(mbuf, "STARTTLS"))
2245 } while (mbuf_len > 3 && mbuf[3] == '-');
2246 (void)BIO_flush(fbio);
2251 "Didn't find STARTTLS in server response,"
2252 " trying anyway...\n");
2253 BIO_printf(sbio, "STARTTLS\r\n");
2254 BIO_read(sbio, sbuf, BUFSIZZ);
2259 BIO_read(sbio, mbuf, BUFSIZZ);
2260 BIO_printf(sbio, "STLS\r\n");
2261 mbuf_len = BIO_read(sbio, sbuf, BUFSIZZ);
2263 BIO_printf(bio_err, "BIO_read failed\n");
2271 BIO *fbio = BIO_new(BIO_f_buffer());
2274 BIO_printf(bio_err, "Unable to create BIO\n");
2277 BIO_push(fbio, sbio);
2278 BIO_gets(fbio, mbuf, BUFSIZZ);
2279 /* STARTTLS command requires CAPABILITY... */
2280 BIO_printf(fbio, ". CAPABILITY\r\n");
2281 (void)BIO_flush(fbio);
2282 /* wait for multi-line CAPABILITY response */
2284 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2285 if (strstr(mbuf, "STARTTLS"))
2288 while (mbuf_len > 3 && mbuf[0] != '.');
2289 (void)BIO_flush(fbio);
2294 "Didn't find STARTTLS in server response,"
2295 " trying anyway...\n");
2296 BIO_printf(sbio, ". STARTTLS\r\n");
2297 BIO_read(sbio, sbuf, BUFSIZZ);
2302 BIO *fbio = BIO_new(BIO_f_buffer());
2305 BIO_printf(bio_err, "Unable to create BIO\n");
2308 BIO_push(fbio, sbio);
2309 /* wait for multi-line response to end from FTP */
2311 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2313 while (mbuf_len > 3 && (!isdigit(mbuf[0]) || !isdigit(mbuf[1]) || !isdigit(mbuf[2]) || mbuf[3] != ' '));
2314 (void)BIO_flush(fbio);
2317 BIO_printf(sbio, "AUTH TLS\r\n");
2318 BIO_read(sbio, sbuf, BUFSIZZ);
2322 case PROTO_XMPP_SERVER:
2325 BIO_printf(sbio, "<stream:stream "
2326 "xmlns:stream='http://etherx.jabber.org/streams' "
2327 "xmlns='jabber:%s' to='%s' version='1.0'>",
2328 starttls_proto == PROTO_XMPP ? "client" : "server",
2329 protohost ? protohost : host);
2330 seen = BIO_read(sbio, mbuf, BUFSIZZ);
2332 BIO_printf(bio_err, "BIO_read failed\n");
2337 (mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")
2339 "<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\""))
2341 seen = BIO_read(sbio, mbuf, BUFSIZZ);
2349 "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
2350 seen = BIO_read(sbio, sbuf, BUFSIZZ);
2352 BIO_printf(bio_err, "BIO_read failed\n");
2356 if (!strstr(sbuf, "<proceed"))
2363 static const unsigned char tls_do[] = {
2364 /* IAC DO START_TLS */
2367 static const unsigned char tls_will[] = {
2368 /* IAC WILL START_TLS */
2371 static const unsigned char tls_follows[] = {
2372 /* IAC SB START_TLS FOLLOWS IAC SE */
2373 255, 250, 46, 1, 255, 240
2377 /* Telnet server should demand we issue START_TLS */
2378 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
2379 if (bytes != 3 || memcmp(mbuf, tls_do, 3) != 0)
2381 /* Agree to issue START_TLS and send the FOLLOWS sub-command */
2382 BIO_write(sbio, tls_will, 3);
2383 BIO_write(sbio, tls_follows, 6);
2384 (void)BIO_flush(sbio);
2385 /* Telnet server also sent the FOLLOWS sub-command */
2386 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
2387 if (bytes != 6 || memcmp(mbuf, tls_follows, 6) != 0)
2392 /* Here we must use the connect string target host & port */
2393 if (!OSSL_HTTP_proxy_connect(sbio, thost, tport, proxyuser, proxypass,
2394 0 /* no timeout */, bio_err, prog))
2400 BIO *fbio = BIO_new(BIO_f_buffer());
2403 BIO_printf(bio_err, "Unable to create BIO\n");
2406 BIO_push(fbio, sbio);
2407 BIO_printf(fbio, "STARTTLS\r\n");
2408 (void)BIO_flush(fbio);
2409 width = SSL_get_fd(con) + 1;
2415 openssl_fdset(SSL_get_fd(con), &readfds);
2416 timeout.tv_sec = S_CLIENT_IRC_READ_TIMEOUT;
2417 timeout.tv_usec = 0;
2419 * If the IRCd doesn't respond within
2420 * S_CLIENT_IRC_READ_TIMEOUT seconds, assume
2421 * it doesn't support STARTTLS. Many IRCds
2422 * will not give _any_ sort of response to a
2423 * STARTTLS command when it's not supported.
2425 if (!BIO_get_buffer_num_lines(fbio)
2426 && !BIO_pending(fbio)
2427 && !BIO_pending(sbio)
2428 && select(width, (void *)&readfds, NULL, NULL,
2431 "Timeout waiting for response (%d seconds).\n",
2432 S_CLIENT_IRC_READ_TIMEOUT);
2436 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2437 if (mbuf_len < 1 || sscanf(mbuf, "%*s %d", &numeric) != 1)
2439 /* :example.net 451 STARTTLS :You have not registered */
2440 /* :example.net 421 STARTTLS :Unknown command */
2441 if ((numeric == 451 || numeric == 421)
2442 && strstr(mbuf, "STARTTLS") != NULL) {
2443 BIO_printf(bio_err, "STARTTLS not supported: %s", mbuf);
2446 if (numeric == 691) {
2447 BIO_printf(bio_err, "STARTTLS negotiation failed: ");
2448 ERR_print_errors(bio_err);
2451 } while (numeric != 670);
2453 (void)BIO_flush(fbio);
2456 if (numeric != 670) {
2457 BIO_printf(bio_err, "Server does not support STARTTLS.\n");
2465 /* SSL request packet */
2466 static const unsigned char ssl_req[] = {
2467 /* payload_length, sequence_id */
2468 0x20, 0x00, 0x00, 0x01,
2470 /* capability flags, CLIENT_SSL always set */
2471 0x85, 0xae, 0x7f, 0x00,
2472 /* max-packet size */
2473 0x00, 0x00, 0x00, 0x01,
2476 /* string[23] reserved (all [0]) */
2477 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
2478 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
2479 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
2482 int ssl_flg = 0x800;
2484 const unsigned char *packet = (const unsigned char *)sbuf;
2486 /* Receiving Initial Handshake packet. */
2487 bytes = BIO_read(sbio, (void *)packet, BUFSIZZ);
2489 BIO_printf(bio_err, "BIO_read failed\n");
2491 /* Packet length[3], Packet number[1] + minimum payload[17] */
2492 } else if (bytes < 21) {
2493 BIO_printf(bio_err, "MySQL packet too short.\n");
2495 } else if (bytes != (4 + packet[0] +
2497 (packet[2] << 16))) {
2498 BIO_printf(bio_err, "MySQL packet length does not match.\n");
2500 /* protocol version[1] */
2501 } else if (packet[4] != 0xA) {
2503 "Only MySQL protocol version 10 is supported.\n");
2508 /* server version[string+NULL] */
2511 BIO_printf(bio_err, "Cannot confirm server version. ");
2513 } else if (packet[pos++] == '\0') {
2518 /* make sure we have at least 15 bytes left in the packet */
2519 if (pos + 15 > bytes) {
2521 "MySQL server handshake packet is broken.\n");
2525 pos += 12; /* skip over conn id[4] + SALT[8] */
2526 if (packet[pos++] != '\0') { /* verify filler */
2528 "MySQL packet is broken.\n");
2532 /* capability flags[2] */
2533 if (!((packet[pos] + (packet[pos + 1] << 8)) & ssl_flg)) {
2534 BIO_printf(bio_err, "MySQL server does not support SSL.\n");
2538 /* Sending SSL Handshake packet. */
2539 BIO_write(sbio, ssl_req, sizeof(ssl_req));
2540 (void)BIO_flush(sbio);
2543 case PROTO_POSTGRES:
2545 static const unsigned char ssl_request[] = {
2546 /* Length SSLRequest */
2547 0, 0, 0, 8, 4, 210, 22, 47
2551 /* Send SSLRequest packet */
2552 BIO_write(sbio, ssl_request, 8);
2553 (void)BIO_flush(sbio);
2555 /* Reply will be a single S if SSL is enabled */
2556 bytes = BIO_read(sbio, sbuf, BUFSIZZ);
2557 if (bytes != 1 || sbuf[0] != 'S')
2564 BIO *fbio = BIO_new(BIO_f_buffer());
2567 BIO_printf(bio_err, "Unable to create BIO\n");
2570 BIO_push(fbio, sbio);
2571 BIO_gets(fbio, mbuf, BUFSIZZ);
2572 /* STARTTLS command requires CAPABILITIES... */
2573 BIO_printf(fbio, "CAPABILITIES\r\n");
2574 (void)BIO_flush(fbio);
2575 BIO_gets(fbio, mbuf, BUFSIZZ);
2576 /* no point in trying to parse the CAPABILITIES response if there is none */
2577 if (strstr(mbuf, "101") != NULL) {
2578 /* wait for multi-line CAPABILITIES response */
2580 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2581 if (strstr(mbuf, "STARTTLS"))
2583 } while (mbuf_len > 1 && mbuf[0] != '.');
2585 (void)BIO_flush(fbio);
2590 "Didn't find STARTTLS in server response,"
2591 " trying anyway...\n");
2592 BIO_printf(sbio, "STARTTLS\r\n");
2593 mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ);
2595 BIO_printf(bio_err, "BIO_read failed\n");
2598 mbuf[mbuf_len] = '\0';
2599 if (strstr(mbuf, "382") == NULL) {
2600 BIO_printf(bio_err, "STARTTLS failed: %s", mbuf);
2608 BIO *fbio = BIO_new(BIO_f_buffer());
2611 BIO_printf(bio_err, "Unable to create BIO\n");
2614 BIO_push(fbio, sbio);
2615 /* wait for multi-line response to end from Sieve */
2617 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2619 * According to RFC 5804 § 1.7, capability
2620 * is case-insensitive, make it uppercase
2622 if (mbuf_len > 1 && mbuf[0] == '"') {
2623 make_uppercase(mbuf);
2624 if (HAS_PREFIX(mbuf, "\"STARTTLS\""))
2627 } while (mbuf_len > 1 && mbuf[0] == '"');
2628 (void)BIO_flush(fbio);
2633 "Didn't find STARTTLS in server response,"
2634 " trying anyway...\n");
2635 BIO_printf(sbio, "STARTTLS\r\n");
2636 mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ);
2638 BIO_printf(bio_err, "BIO_read failed\n");
2641 mbuf[mbuf_len] = '\0';
2643 BIO_printf(bio_err, "STARTTLS failed: %s", mbuf);
2647 * According to RFC 5804 § 2.2, response codes are case-
2648 * insensitive, make it uppercase but preserve the response.
2650 strncpy(sbuf, mbuf, 2);
2651 make_uppercase(sbuf);
2652 if (!HAS_PREFIX(sbuf, "OK")) {
2653 BIO_printf(bio_err, "STARTTLS not supported: %s", mbuf);
2660 /* StartTLS Operation according to RFC 4511 */
2661 static char ldap_tls_genconf[] = "asn1=SEQUENCE:LDAPMessage\n"
2663 "messageID=INTEGER:1\n"
2664 "extendedReq=EXPLICIT:23A,IMPLICIT:0C,"
2665 "FORMAT:ASCII,OCT:1.3.6.1.4.1.1466.20037\n";
2667 char *genstr = NULL;
2669 ASN1_TYPE *atyp = NULL;
2670 BIO *ldapbio = BIO_new(BIO_s_mem());
2671 CONF *cnf = NCONF_new(NULL);
2673 if (ldapbio == NULL || cnf == NULL) {
2678 BIO_puts(ldapbio, ldap_tls_genconf);
2679 if (NCONF_load_bio(cnf, ldapbio, &errline) <= 0) {
2683 BIO_printf(bio_err, "NCONF_load_bio failed\n");
2686 BIO_printf(bio_err, "Error on line %ld\n", errline);
2691 genstr = NCONF_get_string(cnf, "default", "asn1");
2692 if (genstr == NULL) {
2694 BIO_printf(bio_err, "NCONF_get_string failed\n");
2697 atyp = ASN1_generate_nconf(genstr, cnf);
2700 BIO_printf(bio_err, "ASN1_generate_nconf failed\n");
2705 /* Send SSLRequest packet */
2706 BIO_write(sbio, atyp->value.sequence->data,
2707 atyp->value.sequence->length);
2708 (void)BIO_flush(sbio);
2709 ASN1_TYPE_free(atyp);
2711 mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ);
2713 BIO_printf(bio_err, "BIO_read failed\n");
2716 result = ldap_ExtendedResponse_parse(mbuf, mbuf_len);
2718 BIO_printf(bio_err, "ldap_ExtendedResponse_parse failed\n");
2720 } else if (result > 0) {
2721 BIO_printf(bio_err, "STARTTLS failed, LDAP Result Code: %i\n",
2730 if (early_data_file != NULL
2731 && ((SSL_get0_session(con) != NULL
2732 && SSL_SESSION_get_max_early_data(SSL_get0_session(con)) > 0)
2734 && SSL_SESSION_get_max_early_data(psksess) > 0))) {
2735 BIO *edfile = BIO_new_file(early_data_file, "r");
2736 size_t readbytes, writtenbytes;
2739 if (edfile == NULL) {
2740 BIO_printf(bio_err, "Cannot open early data file\n");
2745 if (!BIO_read_ex(edfile, cbuf, BUFSIZZ, &readbytes))
2748 while (!SSL_write_early_data(con, cbuf, readbytes, &writtenbytes)) {
2749 switch (SSL_get_error(con, 0)) {
2750 case SSL_ERROR_WANT_WRITE:
2751 case SSL_ERROR_WANT_ASYNC:
2752 case SSL_ERROR_WANT_READ:
2753 /* Just keep trying - busy waiting */
2756 BIO_printf(bio_err, "Error writing early data\n");
2758 ERR_print_errors(bio_err);
2771 if (SSL_is_dtls(con) && DTLSv1_get_timeout(con, &timeout))
2772 timeoutp = &timeout;
2776 if (!SSL_is_init_finished(con) && SSL_total_renegotiations(con) == 0
2777 && SSL_get_key_update_type(con) == SSL_KEY_UPDATE_NONE) {
2785 BIO_puts(bio_err, "CONNECTION ESTABLISHED\n");
2786 print_ssl_summary(con);
2789 print_stuff(bio_c_out, con, full_log);
2793 if (starttls_proto) {
2794 BIO_write(bio_err, mbuf, mbuf_len);
2795 /* We don't need to know any more */
2797 starttls_proto = PROTO_OFF;
2802 BIO_printf(bio_c_out,
2803 "drop connection and then reconnect\n");
2804 do_ssl_shutdown(con);
2805 SSL_set_connect_state(con);
2806 BIO_closesocket(SSL_get_fd(con));
2812 ssl_pending = read_ssl && SSL_has_pending(con);
2815 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
2818 * Note that select() returns when read _would not block_,
2819 * and EOF satisfies that. To avoid a CPU-hogging loop,
2820 * set the flag so we exit.
2822 if (read_tty && !at_eof)
2823 openssl_fdset(fileno_stdin(), &readfds);
2824 #if !defined(OPENSSL_SYS_VMS)
2826 openssl_fdset(fileno_stdout(), &writefds);
2830 openssl_fdset(SSL_get_fd(con), &readfds);
2832 openssl_fdset(SSL_get_fd(con), &writefds);
2834 if (!tty_on || !write_tty) {
2836 openssl_fdset(SSL_get_fd(con), &readfds);
2838 openssl_fdset(SSL_get_fd(con), &writefds);
2843 * Note: under VMS with SOCKETSHR the second parameter is
2844 * currently of type (int *) whereas under other systems it is
2845 * (void *) if you don't have a cast it will choke the compiler:
2846 * if you do have a cast then you can either go for (int *) or
2849 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2851 * Under Windows/DOS we make the assumption that we can always
2852 * write to the tty: therefore if we need to write to the tty we
2853 * just fall through. Otherwise we timeout the select every
2854 * second and see if there are any keypresses. Note: this is a
2855 * hack, in a proper Windows application we wouldn't do this.
2862 i = select(width, (void *)&readfds, (void *)&writefds,
2864 if (!i && (!has_stdin_waiting() || !read_tty))
2867 i = select(width, (void *)&readfds, (void *)&writefds,
2871 i = select(width, (void *)&readfds, (void *)&writefds,
2875 BIO_printf(bio_err, "bad select %d\n",
2876 get_last_socket_error());
2881 if (SSL_is_dtls(con) && DTLSv1_handle_timeout(con) > 0)
2882 BIO_printf(bio_err, "TIMEOUT occurred\n");
2884 if (!ssl_pending && FD_ISSET(SSL_get_fd(con), &writefds)) {
2885 k = SSL_write(con, &(cbuf[cbuf_off]), (unsigned int)cbuf_len);
2886 switch (SSL_get_error(con, k)) {
2887 case SSL_ERROR_NONE:
2892 /* we have done a write(con,NULL,0); */
2893 if (cbuf_len <= 0) {
2896 } else { /* if (cbuf_len > 0) */
2902 case SSL_ERROR_WANT_WRITE:
2903 BIO_printf(bio_c_out, "write W BLOCK\n");
2907 case SSL_ERROR_WANT_ASYNC:
2908 BIO_printf(bio_c_out, "write A BLOCK\n");
2909 wait_for_async(con);
2913 case SSL_ERROR_WANT_READ:
2914 BIO_printf(bio_c_out, "write R BLOCK\n");
2919 case SSL_ERROR_WANT_X509_LOOKUP:
2920 BIO_printf(bio_c_out, "write X BLOCK\n");
2922 case SSL_ERROR_ZERO_RETURN:
2923 if (cbuf_len != 0) {
2924 BIO_printf(bio_c_out, "shutdown\n");
2933 case SSL_ERROR_SYSCALL:
2934 if ((k != 0) || (cbuf_len != 0)) {
2935 int sockerr = get_last_socket_error();
2937 if (!tfo || sockerr != EISCONN) {
2938 BIO_printf(bio_err, "write:errno=%d\n", sockerr);
2946 case SSL_ERROR_WANT_ASYNC_JOB:
2947 /* This shouldn't ever happen in s_client - treat as an error */
2949 ERR_print_errors(bio_err);
2953 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_VMS)
2954 /* Assume Windows/DOS/BeOS can always write */
2955 else if (!ssl_pending && write_tty)
2957 else if (!ssl_pending && FD_ISSET(fileno_stdout(), &writefds))
2960 #ifdef CHARSET_EBCDIC
2961 ascii2ebcdic(&(sbuf[sbuf_off]), &(sbuf[sbuf_off]), sbuf_len);
2963 i = raw_write_stdout(&(sbuf[sbuf_off]), sbuf_len);
2966 BIO_printf(bio_c_out, "DONE\n");
2973 if (sbuf_len <= 0) {
2977 } else if (ssl_pending || FD_ISSET(SSL_get_fd(con), &readfds)) {
2982 SSL_renegotiate(con);
2987 k = SSL_read(con, sbuf, 1024 /* BUFSIZZ */ );
2989 switch (SSL_get_error(con, k)) {
2990 case SSL_ERROR_NONE:
2999 case SSL_ERROR_WANT_ASYNC:
3000 BIO_printf(bio_c_out, "read A BLOCK\n");
3001 wait_for_async(con);
3004 if ((read_tty == 0) && (write_ssl == 0))
3007 case SSL_ERROR_WANT_WRITE:
3008 BIO_printf(bio_c_out, "read W BLOCK\n");
3012 case SSL_ERROR_WANT_READ:
3013 BIO_printf(bio_c_out, "read R BLOCK\n");
3016 if ((read_tty == 0) && (write_ssl == 0))
3019 case SSL_ERROR_WANT_X509_LOOKUP:
3020 BIO_printf(bio_c_out, "read X BLOCK\n");
3022 case SSL_ERROR_SYSCALL:
3023 ret = get_last_socket_error();
3025 BIO_puts(bio_err, "CONNECTION CLOSED BY SERVER\n");
3027 BIO_printf(bio_err, "read:errno=%d\n", ret);
3029 case SSL_ERROR_ZERO_RETURN:
3030 BIO_printf(bio_c_out, "closed\n");
3033 case SSL_ERROR_WANT_ASYNC_JOB:
3034 /* This shouldn't ever happen in s_client. Treat as an error */
3036 ERR_print_errors(bio_err);
3041 /* don't wait for client input in the non-interactive mode */
3042 else if (nointeractive) {
3047 /* OPENSSL_SYS_MSDOS includes OPENSSL_SYS_WINDOWS */
3048 #if defined(OPENSSL_SYS_MSDOS)
3049 else if (has_stdin_waiting())
3051 else if (FD_ISSET(fileno_stdin(), &readfds))
3057 i = raw_read_stdin(cbuf, BUFSIZZ / 2);
3059 /* both loops are skipped when i <= 0 */
3060 for (j = 0; j < i; j++)
3061 if (cbuf[j] == '\n')
3063 for (j = i - 1; j >= 0; j--) {
3064 cbuf[j + lf_num] = cbuf[j];
3065 if (cbuf[j] == '\n') {
3068 cbuf[j + lf_num] = '\r';
3071 assert(lf_num == 0);
3073 i = raw_read_stdin(cbuf, BUFSIZZ);
3074 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
3079 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q' && cmdletters))) {
3080 BIO_printf(bio_err, "DONE\n");
3085 if ((!c_ign_eof) && (cbuf[0] == 'R' && cmdletters)) {
3086 BIO_printf(bio_err, "RENEGOTIATING\n");
3087 SSL_renegotiate(con);
3089 } else if (!c_ign_eof && (cbuf[0] == 'K' || cbuf[0] == 'k')
3091 BIO_printf(bio_err, "KEYUPDATE\n");
3093 cbuf[0] == 'K' ? SSL_KEY_UPDATE_REQUESTED
3094 : SSL_KEY_UPDATE_NOT_REQUESTED);
3099 #ifdef CHARSET_EBCDIC
3100 ebcdic2ascii(cbuf, cbuf, i);
3111 print_stuff(bio_c_out, con, full_log);
3112 do_ssl_shutdown(con);
3115 * If we ended with an alert being sent, but still with data in the
3116 * network buffer to be read, then calling BIO_closesocket() will
3117 * result in a TCP-RST being sent. On some platforms (notably
3118 * Windows) then this will result in the peer immediately abandoning
3119 * the connection including any buffered alert data before it has
3120 * had a chance to be read. Shutting down the sending side first,
3121 * and then closing the socket sends TCP-FIN first followed by
3122 * TCP-RST. This seems to allow the peer to read the alert data.
3124 shutdown(SSL_get_fd(con), 1); /* SHUT_WR */
3126 * We just said we have nothing else to say, but it doesn't mean that
3127 * the other side has nothing. It's even recommended to consume incoming
3128 * data. [In testing context this ensures that alerts are passed on...]
3131 timeout.tv_usec = 500000; /* some extreme round-trip */
3134 openssl_fdset(sock, &readfds);
3135 } while (select(sock + 1, &readfds, NULL, NULL, &timeout) > 0
3136 && BIO_read(sbio, sbuf, BUFSIZZ) > 0);
3138 BIO_closesocket(SSL_get_fd(con));
3142 print_stuff(bio_c_out, con, 1);
3145 SSL_SESSION_free(psksess);
3146 #if !defined(OPENSSL_NO_NEXTPROTONEG)
3147 OPENSSL_free(next_proto.data);
3150 set_keylog_file(NULL, NULL);
3152 sk_X509_CRL_pop_free(crls, X509_CRL_free);
3154 OSSL_STACK_OF_X509_free(chain);
3156 #ifndef OPENSSL_NO_SRP
3157 OPENSSL_free(srp_arg.srppassin);
3159 OPENSSL_free(sname_alloc);
3160 BIO_ADDR_free(tfo_addr);
3161 OPENSSL_free(connectstr);
3162 OPENSSL_free(bindstr);
3163 OPENSSL_free(bindhost);
3164 OPENSSL_free(bindport);
3167 OPENSSL_free(thost);
3168 OPENSSL_free(tport);
3169 X509_VERIFY_PARAM_free(vpm);
3170 ssl_excert_free(exc);
3171 sk_OPENSSL_STRING_free(ssl_args);
3172 sk_OPENSSL_STRING_free(dane_tlsa_rrset);
3173 SSL_CONF_CTX_free(cctx);
3174 OPENSSL_clear_free(cbuf, BUFSIZZ);
3175 OPENSSL_clear_free(sbuf, BUFSIZZ);
3176 OPENSSL_clear_free(mbuf, BUFSIZZ);
3177 clear_free(proxypass);
3179 BIO_free(bio_c_out);
3181 BIO_free(bio_c_msg);
3186 static void print_stuff(BIO *bio, SSL *s, int full)
3190 const SSL_CIPHER *c;
3191 EVP_PKEY *public_key;
3192 int i, istls13 = (SSL_version(s) == TLS1_3_VERSION);
3194 #ifndef OPENSSL_NO_COMP
3195 const COMP_METHOD *comp, *expansion;
3197 unsigned char *exportedkeymat;
3198 #ifndef OPENSSL_NO_CT
3199 const SSL_CTX *ctx = SSL_get_SSL_CTX(s);
3203 int got_a_chain = 0;
3205 sk = SSL_get_peer_cert_chain(s);
3209 BIO_printf(bio, "---\nCertificate chain\n");
3210 for (i = 0; i < sk_X509_num(sk); i++) {
3211 BIO_printf(bio, "%2d s:", i);
3212 X509_NAME_print_ex(bio, X509_get_subject_name(sk_X509_value(sk, i)), 0, get_nameopt());
3213 BIO_puts(bio, "\n");
3214 BIO_printf(bio, " i:");
3215 X509_NAME_print_ex(bio, X509_get_issuer_name(sk_X509_value(sk, i)), 0, get_nameopt());
3216 BIO_puts(bio, "\n");
3217 public_key = X509_get_pubkey(sk_X509_value(sk, i));
3218 if (public_key != NULL) {
3219 BIO_printf(bio, " a:PKEY: %s, %d (bit); sigalg: %s\n",
3220 OBJ_nid2sn(EVP_PKEY_get_base_id(public_key)),
3221 EVP_PKEY_get_bits(public_key),
3222 OBJ_nid2sn(X509_get_signature_nid(sk_X509_value(sk, i))));
3223 EVP_PKEY_free(public_key);
3225 BIO_printf(bio, " v:NotBefore: ");
3226 ASN1_TIME_print(bio, X509_get0_notBefore(sk_X509_value(sk, i)));
3227 BIO_printf(bio, "; NotAfter: ");
3228 ASN1_TIME_print(bio, X509_get0_notAfter(sk_X509_value(sk, i)));
3229 BIO_puts(bio, "\n");
3231 PEM_write_bio_X509(bio, sk_X509_value(sk, i));
3235 BIO_printf(bio, "---\n");
3236 peer = SSL_get0_peer_certificate(s);
3238 BIO_printf(bio, "Server certificate\n");
3240 /* Redundant if we showed the whole chain */
3241 if (!(c_showcerts && got_a_chain))
3242 PEM_write_bio_X509(bio, peer);
3243 dump_cert_text(bio, peer);
3245 BIO_printf(bio, "no peer certificate available\n");
3247 print_ca_names(bio, s);
3249 ssl_print_sigalgs(bio, s);
3250 ssl_print_tmp_key(bio, s);
3252 #ifndef OPENSSL_NO_CT
3254 * When the SSL session is anonymous, or resumed via an abbreviated
3255 * handshake, no SCTs are provided as part of the handshake. While in
3256 * a resumed session SCTs may be present in the session's certificate,
3257 * no callbacks are invoked to revalidate these, and in any case that
3258 * set of SCTs may be incomplete. Thus it makes little sense to
3259 * attempt to display SCTs from a resumed session's certificate, and of
3260 * course none are associated with an anonymous peer.
3262 if (peer != NULL && !SSL_session_reused(s) && SSL_ct_is_enabled(s)) {
3263 const STACK_OF(SCT) *scts = SSL_get0_peer_scts(s);
3264 int sct_count = scts != NULL ? sk_SCT_num(scts) : 0;
3266 BIO_printf(bio, "---\nSCTs present (%i)\n", sct_count);
3267 if (sct_count > 0) {
3268 const CTLOG_STORE *log_store = SSL_CTX_get0_ctlog_store(ctx);
3270 BIO_printf(bio, "---\n");
3271 for (i = 0; i < sct_count; ++i) {
3272 SCT *sct = sk_SCT_value(scts, i);
3274 BIO_printf(bio, "SCT validation status: %s\n",
3275 SCT_validation_status_string(sct));
3276 SCT_print(sct, bio, 0, log_store);
3277 if (i < sct_count - 1)
3278 BIO_printf(bio, "\n---\n");
3280 BIO_printf(bio, "\n");
3286 "---\nSSL handshake has read %ju bytes "
3287 "and written %ju bytes\n",
3288 BIO_number_read(SSL_get_rbio(s)),
3289 BIO_number_written(SSL_get_wbio(s)));
3291 print_verify_detail(s, bio);
3292 BIO_printf(bio, (SSL_session_reused(s) ? "---\nReused, " : "---\nNew, "));
3293 c = SSL_get_current_cipher(s);
3294 BIO_printf(bio, "%s, Cipher is %s\n",
3295 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
3299 pktmp = X509_get0_pubkey(peer);
3300 BIO_printf(bio, "Server public key is %d bit\n",
3301 EVP_PKEY_get_bits(pktmp));
3304 ssl_print_secure_renegotiation_notes(bio, s);
3306 #ifndef OPENSSL_NO_COMP
3307 comp = SSL_get_current_compression(s);
3308 expansion = SSL_get_current_expansion(s);
3309 BIO_printf(bio, "Compression: %s\n",
3310 comp ? SSL_COMP_get_name(comp) : "NONE");
3311 BIO_printf(bio, "Expansion: %s\n",
3312 expansion ? SSL_COMP_get_name(expansion) : "NONE");
3314 #ifndef OPENSSL_NO_KTLS
3315 if (BIO_get_ktls_send(SSL_get_wbio(s)))
3316 BIO_printf(bio_err, "Using Kernel TLS for sending\n");
3317 if (BIO_get_ktls_recv(SSL_get_rbio(s)))
3318 BIO_printf(bio_err, "Using Kernel TLS for receiving\n");
3321 if (OSSL_TRACE_ENABLED(TLS)) {
3322 /* Print out local port of connection: useful for debugging */
3324 union BIO_sock_info_u info;
3326 sock = SSL_get_fd(s);
3327 if ((info.addr = BIO_ADDR_new()) != NULL
3328 && BIO_sock_info(sock, BIO_SOCK_INFO_ADDRESS, &info)) {
3329 BIO_printf(bio_c_out, "LOCAL PORT is %u\n",
3330 ntohs(BIO_ADDR_rawport(info.addr)));
3332 BIO_ADDR_free(info.addr);
3335 #if !defined(OPENSSL_NO_NEXTPROTONEG)
3336 if (next_proto.status != -1) {
3337 const unsigned char *proto;
3338 unsigned int proto_len;
3339 SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
3340 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
3341 BIO_write(bio, proto, proto_len);
3342 BIO_write(bio, "\n", 1);
3346 const unsigned char *proto;
3347 unsigned int proto_len;
3348 SSL_get0_alpn_selected(s, &proto, &proto_len);
3349 if (proto_len > 0) {
3350 BIO_printf(bio, "ALPN protocol: ");
3351 BIO_write(bio, proto, proto_len);
3352 BIO_write(bio, "\n", 1);
3354 BIO_printf(bio, "No ALPN negotiated\n");
3357 #ifndef OPENSSL_NO_SRTP
3359 SRTP_PROTECTION_PROFILE *srtp_profile =
3360 SSL_get_selected_srtp_profile(s);
3363 BIO_printf(bio, "SRTP Extension negotiated, profile=%s\n",
3364 srtp_profile->name);
3369 switch (SSL_get_early_data_status(s)) {
3370 case SSL_EARLY_DATA_NOT_SENT:
3371 BIO_printf(bio, "Early data was not sent\n");
3374 case SSL_EARLY_DATA_REJECTED:
3375 BIO_printf(bio, "Early data was rejected\n");
3378 case SSL_EARLY_DATA_ACCEPTED:
3379 BIO_printf(bio, "Early data was accepted\n");
3385 * We also print the verify results when we dump session information,
3386 * but in TLSv1.3 we may not get that right away (or at all) depending
3387 * on when we get a NewSessionTicket. Therefore we print it now as well.
3389 verify_result = SSL_get_verify_result(s);
3390 BIO_printf(bio, "Verify return code: %ld (%s)\n", verify_result,
3391 X509_verify_cert_error_string(verify_result));
3393 /* In TLSv1.3 we do this on arrival of a NewSessionTicket */
3394 SSL_SESSION_print(bio, SSL_get_session(s));
3397 if (SSL_get_session(s) != NULL && keymatexportlabel != NULL) {
3398 BIO_printf(bio, "Keying material exporter:\n");
3399 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel);
3400 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen);
3401 exportedkeymat = app_malloc(keymatexportlen, "export key");
3402 if (SSL_export_keying_material(s, exportedkeymat,
3405 strlen(keymatexportlabel),
3407 BIO_printf(bio, " Error\n");
3409 BIO_printf(bio, " Keying material: ");
3410 for (i = 0; i < keymatexportlen; i++)
3411 BIO_printf(bio, "%02X", exportedkeymat[i]);
3412 BIO_printf(bio, "\n");
3414 OPENSSL_free(exportedkeymat);
3416 BIO_printf(bio, "---\n");
3417 /* flush, or debugging output gets mixed with http response */
3418 (void)BIO_flush(bio);
3421 # ifndef OPENSSL_NO_OCSP
3422 static int ocsp_resp_cb(SSL *s, void *arg)
3424 const unsigned char *p;
3427 len = SSL_get_tlsext_status_ocsp_resp(s, &p);
3428 BIO_puts(arg, "OCSP response: ");
3430 BIO_puts(arg, "no response sent\n");
3433 rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
3435 BIO_puts(arg, "response parse error\n");
3436 BIO_dump_indent(arg, (char *)p, len, 4);
3439 BIO_puts(arg, "\n======================================\n");
3440 OCSP_RESPONSE_print(arg, rsp, 0);
3441 BIO_puts(arg, "======================================\n");
3442 OCSP_RESPONSE_free(rsp);
3447 static int ldap_ExtendedResponse_parse(const char *buf, long rem)
3449 const unsigned char *cur, *end;
3451 int tag, xclass, inf, ret = -1;
3453 cur = (const unsigned char *)buf;
3459 * LDAPMessage ::= SEQUENCE {
3460 * messageID MessageID,
3461 * protocolOp CHOICE {
3463 * extendedResp ExtendedResponse,
3465 * controls [0] Controls OPTIONAL }
3467 * ExtendedResponse ::= [APPLICATION 24] SEQUENCE {
3468 * COMPONENTS OF LDAPResult,
3469 * responseName [10] LDAPOID OPTIONAL,
3470 * responseValue [11] OCTET STRING OPTIONAL }
3472 * LDAPResult ::= SEQUENCE {
3473 * resultCode ENUMERATED {
3479 * diagnosticMessage LDAPString,
3480 * referral [3] Referral OPTIONAL }
3484 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3485 if (inf != V_ASN1_CONSTRUCTED || tag != V_ASN1_SEQUENCE ||
3486 (rem = end - cur, len > rem)) {
3487 BIO_printf(bio_err, "Unexpected LDAP response\n");
3491 rem = len; /* ensure that we don't overstep the SEQUENCE */
3493 /* pull MessageID */
3494 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3495 if (inf != V_ASN1_UNIVERSAL || tag != V_ASN1_INTEGER ||
3496 (rem = end - cur, len > rem)) {
3497 BIO_printf(bio_err, "No MessageID\n");
3501 cur += len; /* shall we check for MessageId match or just skip? */
3503 /* pull [APPLICATION 24] */
3505 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3506 if (inf != V_ASN1_CONSTRUCTED || xclass != V_ASN1_APPLICATION ||
3508 BIO_printf(bio_err, "Not ExtendedResponse\n");
3512 /* pull resultCode */
3514 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3515 if (inf != V_ASN1_UNIVERSAL || tag != V_ASN1_ENUMERATED || len == 0 ||
3516 (rem = end - cur, len > rem)) {
3517 BIO_printf(bio_err, "Not LDAPResult\n");
3521 /* len should always be one, but just in case... */
3522 for (ret = 0, inf = 0; inf < len; inf++) {
3526 /* There is more data, but we don't care... */
3532 * Host dNS Name verifier: used for checking that the hostname is in dNS format
3533 * before setting it as SNI
3535 static int is_dNS_name(const char *host)
3537 const size_t MAX_LABEL_LENGTH = 63;
3540 size_t length = strlen(host);
3541 size_t label_length = 0;
3542 int all_numeric = 1;
3545 * Deviation from strict DNS name syntax, also check names with '_'
3546 * Check DNS name syntax, any '-' or '.' must be internal,
3547 * and on either side of each '.' we can't have a '-' or '.'.
3549 * If the name has just one label, we don't consider it a DNS name.
3551 for (i = 0; i < length && label_length < MAX_LABEL_LENGTH; ++i) {
3554 if ((c >= 'a' && c <= 'z')
3555 || (c >= 'A' && c <= 'Z')
3562 if (c >= '0' && c <= '9') {
3567 /* Dot and hyphen cannot be first or last. */
3568 if (i > 0 && i < length - 1) {
3574 * Next to a dot the preceding and following characters must not be
3575 * another dot or a hyphen. Otherwise, record that the name is
3576 * plausible, since it has two or more labels.
3579 && host[i + 1] != '.'
3580 && host[i - 1] != '-'
3581 && host[i + 1] != '-') {
3591 /* dNS name must not be all numeric and labels must be shorter than 64 characters. */
3592 isdnsname &= !all_numeric && !(label_length == MAX_LABEL_LENGTH);
3596 #endif /* OPENSSL_NO_SOCK */