2 * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved.
3 * Copyright 2005 Nokia. All rights reserved.
5 * Licensed under the Apache License 2.0 (the "License"). You may not use
6 * this file except in compliance with the License. You can obtain a copy
7 * in the file LICENSE in the source distribution or at
8 * https://www.openssl.org/source/license.html
17 #include <openssl/e_os2.h>
19 #ifndef OPENSSL_NO_SOCK
22 * With IPv6, it looks like Digital has mixed up the proper order of
23 * recursive header file inclusion, resulting in the compiler complaining
24 * that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which is
25 * needed to have fileno() declared correctly... So let's define u_int
27 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
29 typedef unsigned int u_int;
34 #include <openssl/x509.h>
35 #include <openssl/ssl.h>
36 #include <openssl/err.h>
37 #include <openssl/pem.h>
38 #include <openssl/rand.h>
39 #include <openssl/ocsp.h>
40 #include <openssl/bn.h>
41 #include <openssl/trace.h>
42 #include <openssl/async.h>
43 #ifndef OPENSSL_NO_SRP
44 # include <openssl/srp.h>
47 # include <openssl/ct.h>
51 #include "internal/sockets.h"
53 #if defined(__has_feature)
54 # if __has_feature(memory_sanitizer)
55 # include <sanitizer/msan_interface.h>
60 DEFINE_STACK_OF(X509_CRL)
61 DEFINE_STACK_OF(X509_NAME)
63 DEFINE_STACK_OF_STRING()
66 #define BUFSIZZ 1024*8
67 #define S_CLIENT_IRC_READ_TIMEOUT 8
70 static int c_debug = 0;
71 static int c_showcerts = 0;
72 static char *keymatexportlabel = NULL;
73 static int keymatexportlen = 20;
74 static BIO *bio_c_out = NULL;
75 static int c_quiet = 0;
76 static char *sess_out = NULL;
77 static SSL_SESSION *psksess = NULL;
79 static void print_stuff(BIO *berr, SSL *con, int full);
80 #ifndef OPENSSL_NO_OCSP
81 static int ocsp_resp_cb(SSL *s, void *arg);
83 static int ldap_ExtendedResponse_parse(const char *buf, long rem);
84 static int is_dNS_name(const char *host);
86 static int saved_errno;
88 static void save_errno(void)
94 static int restore_errno(void)
101 /* Default PSK identity and key */
102 static char *psk_identity = "Client_identity";
104 #ifndef OPENSSL_NO_PSK
105 static unsigned int psk_client_cb(SSL *ssl, const char *hint, char *identity,
106 unsigned int max_identity_len,
108 unsigned int max_psk_len)
115 BIO_printf(bio_c_out, "psk_client_cb\n");
117 /* no ServerKeyExchange message */
119 BIO_printf(bio_c_out,
120 "NULL received PSK identity hint, continuing anyway\n");
121 } else if (c_debug) {
122 BIO_printf(bio_c_out, "Received PSK identity hint '%s'\n", hint);
126 * lookup PSK identity and PSK key based on the given identity hint here
128 ret = BIO_snprintf(identity, max_identity_len, "%s", psk_identity);
129 if (ret < 0 || (unsigned int)ret > max_identity_len)
132 BIO_printf(bio_c_out, "created identity '%s' len=%d\n", identity,
135 /* convert the PSK key to binary */
136 key = OPENSSL_hexstr2buf(psk_key, &key_len);
138 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n",
142 if (max_psk_len > INT_MAX || key_len > (long)max_psk_len) {
144 "psk buffer of callback is too small (%d) for key (%ld)\n",
145 max_psk_len, key_len);
150 memcpy(psk, key, key_len);
154 BIO_printf(bio_c_out, "created PSK len=%ld\n", key_len);
159 BIO_printf(bio_err, "Error in PSK client callback\n");
164 const unsigned char tls13_aes128gcmsha256_id[] = { 0x13, 0x01 };
165 const unsigned char tls13_aes256gcmsha384_id[] = { 0x13, 0x02 };
167 static int psk_use_session_cb(SSL *s, const EVP_MD *md,
168 const unsigned char **id, size_t *idlen,
171 SSL_SESSION *usesess = NULL;
172 const SSL_CIPHER *cipher = NULL;
174 if (psksess != NULL) {
175 SSL_SESSION_up_ref(psksess);
179 unsigned char *key = OPENSSL_hexstr2buf(psk_key, &key_len);
182 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n",
187 /* We default to SHA-256 */
188 cipher = SSL_CIPHER_find(s, tls13_aes128gcmsha256_id);
189 if (cipher == NULL) {
190 BIO_printf(bio_err, "Error finding suitable ciphersuite\n");
195 usesess = SSL_SESSION_new();
197 || !SSL_SESSION_set1_master_key(usesess, key, key_len)
198 || !SSL_SESSION_set_cipher(usesess, cipher)
199 || !SSL_SESSION_set_protocol_version(usesess, TLS1_3_VERSION)) {
206 cipher = SSL_SESSION_get0_cipher(usesess);
210 if (md != NULL && SSL_CIPHER_get_handshake_digest(cipher) != md) {
211 /* PSK not usable, ignore it */
215 SSL_SESSION_free(usesess);
218 *id = (unsigned char *)psk_identity;
219 *idlen = strlen(psk_identity);
225 SSL_SESSION_free(usesess);
229 /* This is a context that we pass to callbacks */
230 typedef struct tlsextctx_st {
235 static int ssl_servername_cb(SSL *s, int *ad, void *arg)
237 tlsextctx *p = (tlsextctx *) arg;
238 const char *hn = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
239 if (SSL_get_servername_type(s) != -1)
240 p->ack = !SSL_session_reused(s) && hn != NULL;
242 BIO_printf(bio_err, "Can't use SSL_get_servername\n");
244 return SSL_TLSEXT_ERR_OK;
247 #ifndef OPENSSL_NO_SRP
249 /* This is a context that we pass to all callbacks */
250 typedef struct srp_arg_st {
253 int msg; /* copy from c_msg */
254 int debug; /* copy from c_debug */
255 int amp; /* allow more groups */
256 int strength; /* minimal size for N */
259 static int srp_Verify_N_and_g(const BIGNUM *N, const BIGNUM *g)
261 BN_CTX *bn_ctx = BN_CTX_new();
262 BIGNUM *p = BN_new();
263 BIGNUM *r = BN_new();
265 g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) &&
266 BN_check_prime(N, bn_ctx, NULL) == 1 &&
267 p != NULL && BN_rshift1(p, N) &&
269 BN_check_prime(p, bn_ctx, NULL) == 1 &&
271 /* verify g^((N-1)/2) == -1 (mod N) */
272 BN_mod_exp(r, g, p, N, bn_ctx) &&
273 BN_add_word(r, 1) && BN_cmp(r, N) == 0;
282 * This callback is used here for two purposes:
283 * - extended debugging
284 * - making some primality tests for unknown groups
285 * The callback is only called for a non default group.
287 * An application does not need the call back at all if
288 * only the standard groups are used. In real life situations,
289 * client and server already share well known groups,
290 * thus there is no need to verify them.
291 * Furthermore, in case that a server actually proposes a group that
292 * is not one of those defined in RFC 5054, it is more appropriate
293 * to add the group to a static list and then compare since
294 * primality tests are rather cpu consuming.
297 static int ssl_srp_verify_param_cb(SSL *s, void *arg)
299 SRP_ARG *srp_arg = (SRP_ARG *)arg;
300 BIGNUM *N = NULL, *g = NULL;
302 if (((N = SSL_get_srp_N(s)) == NULL) || ((g = SSL_get_srp_g(s)) == NULL))
304 if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1) {
305 BIO_printf(bio_err, "SRP parameters:\n");
306 BIO_printf(bio_err, "\tN=");
307 BN_print(bio_err, N);
308 BIO_printf(bio_err, "\n\tg=");
309 BN_print(bio_err, g);
310 BIO_printf(bio_err, "\n");
313 if (SRP_check_known_gN_param(g, N))
316 if (srp_arg->amp == 1) {
319 "SRP param N and g are not known params, going to check deeper.\n");
322 * The srp_moregroups is a real debugging feature. Implementors
323 * should rather add the value to the known ones. The minimal size
324 * has already been tested.
326 if (BN_num_bits(g) <= BN_BITS && srp_Verify_N_and_g(N, g))
329 BIO_printf(bio_err, "SRP param N and g rejected.\n");
333 # define PWD_STRLEN 1024
335 static char *ssl_give_srp_client_pwd_cb(SSL *s, void *arg)
337 SRP_ARG *srp_arg = (SRP_ARG *)arg;
338 char *pass = app_malloc(PWD_STRLEN + 1, "SRP password buffer");
342 cb_tmp.password = (char *)srp_arg->srppassin;
343 cb_tmp.prompt_info = "SRP user";
344 if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp)) < 0) {
345 BIO_printf(bio_err, "Can't read Password\n");
356 #ifndef OPENSSL_NO_NEXTPROTONEG
357 /* This the context that we pass to next_proto_cb */
358 typedef struct tlsextnextprotoctx_st {
362 } tlsextnextprotoctx;
364 static tlsextnextprotoctx next_proto;
366 static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen,
367 const unsigned char *in, unsigned int inlen,
370 tlsextnextprotoctx *ctx = arg;
373 /* We can assume that |in| is syntactically valid. */
375 BIO_printf(bio_c_out, "Protocols advertised by server: ");
376 for (i = 0; i < inlen;) {
378 BIO_write(bio_c_out, ", ", 2);
379 BIO_write(bio_c_out, &in[i + 1], in[i]);
382 BIO_write(bio_c_out, "\n", 1);
386 SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len);
387 return SSL_TLSEXT_ERR_OK;
389 #endif /* ndef OPENSSL_NO_NEXTPROTONEG */
391 static int serverinfo_cli_parse_cb(SSL *s, unsigned int ext_type,
392 const unsigned char *in, size_t inlen,
396 unsigned char ext_buf[4 + 65536];
398 /* Reconstruct the type/len fields prior to extension data */
399 inlen &= 0xffff; /* for formal memcmpy correctness */
400 ext_buf[0] = (unsigned char)(ext_type >> 8);
401 ext_buf[1] = (unsigned char)(ext_type);
402 ext_buf[2] = (unsigned char)(inlen >> 8);
403 ext_buf[3] = (unsigned char)(inlen);
404 memcpy(ext_buf + 4, in, inlen);
406 BIO_snprintf(pem_name, sizeof(pem_name), "SERVERINFO FOR EXTENSION %d",
408 PEM_write_bio(bio_c_out, pem_name, "", ext_buf, 4 + inlen);
413 * Hex decoder that tolerates optional whitespace. Returns number of bytes
414 * produced, advances inptr to end of input string.
416 static ossl_ssize_t hexdecode(const char **inptr, void *result)
418 unsigned char **out = (unsigned char **)result;
419 const char *in = *inptr;
420 unsigned char *ret = app_malloc(strlen(in) / 2, "hexdecode");
421 unsigned char *cp = ret;
428 for (byte = 0; *in; ++in) {
431 if (isspace(_UC(*in)))
433 x = OPENSSL_hexchar2int(*in);
439 if ((nibble ^= 1) == 0) {
452 return cp - (*out = ret);
456 * Decode unsigned 0..255, returns 1 on success, <= 0 on failure. Advances
457 * inptr to next field skipping leading whitespace.
459 static ossl_ssize_t checked_uint8(const char **inptr, void *out)
461 uint8_t *result = (uint8_t *)out;
462 const char *in = *inptr;
468 v = strtol(in, &endp, 10);
471 if (((v == LONG_MIN || v == LONG_MAX) && e == ERANGE) ||
472 endp == in || !isspace(_UC(*endp)) ||
473 v != (*result = (uint8_t) v)) {
476 for (in = endp; isspace(_UC(*in)); ++in)
486 ossl_ssize_t (*parser)(const char **, void *);
489 static int tlsa_import_rr(SSL *con, const char *rrdata)
491 /* Not necessary to re-init these values; the "parsers" do that. */
492 static uint8_t usage;
493 static uint8_t selector;
494 static uint8_t mtype;
495 static unsigned char *data;
496 static struct tlsa_field tlsa_fields[] = {
497 { &usage, "usage", checked_uint8 },
498 { &selector, "selector", checked_uint8 },
499 { &mtype, "mtype", checked_uint8 },
500 { &data, "data", hexdecode },
503 struct tlsa_field *f;
505 const char *cp = rrdata;
506 ossl_ssize_t len = 0;
508 for (f = tlsa_fields; f->var; ++f) {
509 /* Returns number of bytes produced, advances cp to next field */
510 if ((len = f->parser(&cp, f->var)) <= 0) {
511 BIO_printf(bio_err, "%s: warning: bad TLSA %s field in: %s\n",
512 prog, f->name, rrdata);
516 /* The data field is last, so len is its length */
517 ret = SSL_dane_tlsa_add(con, usage, selector, mtype, data, len);
521 ERR_print_errors(bio_err);
522 BIO_printf(bio_err, "%s: warning: unusable TLSA rrdata: %s\n",
527 ERR_print_errors(bio_err);
528 BIO_printf(bio_err, "%s: warning: error loading TLSA rrdata: %s\n",
535 static int tlsa_import_rrset(SSL *con, STACK_OF(OPENSSL_STRING) *rrset)
537 int num = sk_OPENSSL_STRING_num(rrset);
541 for (i = 0; i < num; ++i) {
542 char *rrdata = sk_OPENSSL_STRING_value(rrset, i);
543 if (tlsa_import_rr(con, rrdata) > 0)
549 typedef enum OPTION_choice {
550 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
551 OPT_4, OPT_6, OPT_HOST, OPT_PORT, OPT_CONNECT, OPT_BIND, OPT_UNIX,
552 OPT_XMPPHOST, OPT_VERIFY, OPT_NAMEOPT,
553 OPT_CERT, OPT_CRL, OPT_CRL_DOWNLOAD, OPT_SESS_OUT, OPT_SESS_IN,
554 OPT_CERTFORM, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET,
555 OPT_BRIEF, OPT_PREXIT, OPT_CRLF, OPT_QUIET, OPT_NBIO,
556 OPT_SSL_CLIENT_ENGINE, OPT_IGN_EOF, OPT_NO_IGN_EOF,
557 OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_WDEBUG,
558 OPT_MSG, OPT_MSGFILE, OPT_ENGINE, OPT_TRACE, OPT_SECURITY_DEBUG,
559 OPT_SECURITY_DEBUG_VERBOSE, OPT_SHOWCERTS, OPT_NBIO_TEST, OPT_STATE,
560 OPT_PSK_IDENTITY, OPT_PSK, OPT_PSK_SESS,
561 #ifndef OPENSSL_NO_SRP
562 OPT_SRPUSER, OPT_SRPPASS, OPT_SRP_STRENGTH, OPT_SRP_LATEUSER,
565 OPT_SSL3, OPT_SSL_CONFIG,
566 OPT_TLS1_3, OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1,
567 OPT_DTLS1_2, OPT_SCTP, OPT_TIMEOUT, OPT_MTU, OPT_KEYFORM, OPT_PASS,
568 OPT_CERT_CHAIN, OPT_KEY, OPT_RECONNECT, OPT_BUILD_CHAIN,
569 OPT_NEXTPROTONEG, OPT_ALPN,
570 OPT_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH,
571 OPT_CAFILE, OPT_NOCAFILE, OPT_CHAINCAFILE, OPT_VERIFYCAFILE,
572 OPT_CASTORE, OPT_NOCASTORE, OPT_CHAINCASTORE, OPT_VERIFYCASTORE,
573 OPT_SERVERINFO, OPT_STARTTLS, OPT_SERVERNAME, OPT_NOSERVERNAME, OPT_ASYNC,
574 OPT_USE_SRTP, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN, OPT_PROTOHOST,
575 OPT_MAXFRAGLEN, OPT_MAX_SEND_FRAG, OPT_SPLIT_SEND_FRAG, OPT_MAX_PIPELINES,
576 OPT_READ_BUF, OPT_KEYLOG_FILE, OPT_EARLY_DATA, OPT_REQCAFILE,
579 OPT_S_ENUM, OPT_IGNORE_UNEXPECTED_EOF,
580 OPT_FALLBACKSCSV, OPT_NOCMDS, OPT_PROXY, OPT_PROXY_USER, OPT_PROXY_PASS,
581 OPT_DANE_TLSA_DOMAIN,
582 #ifndef OPENSSL_NO_CT
583 OPT_CT, OPT_NOCT, OPT_CTLOG_FILE,
585 OPT_DANE_TLSA_RRDATA, OPT_DANE_EE_NO_NAME,
588 OPT_R_ENUM, OPT_PROV_ENUM
591 const OPTIONS s_client_options[] = {
592 {OPT_HELP_STR, 1, '-', "Usage: %s [options] [host:port]\n"},
594 OPT_SECTION("General"),
595 {"help", OPT_HELP, '-', "Display this summary"},
596 #ifndef OPENSSL_NO_ENGINE
597 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
598 {"ssl_client_engine", OPT_SSL_CLIENT_ENGINE, 's',
599 "Specify engine to be used for client certificate operations"},
601 {"ssl_config", OPT_SSL_CONFIG, 's', "Use specified section for SSL_CTX configuration"},
602 #ifndef OPENSSL_NO_CT
603 {"ct", OPT_CT, '-', "Request and parse SCTs (also enables OCSP stapling)"},
604 {"noct", OPT_NOCT, '-', "Do not request or parse SCTs (default)"},
605 {"ctlogfile", OPT_CTLOG_FILE, '<', "CT log list CONF file"},
608 OPT_SECTION("Network"),
609 {"host", OPT_HOST, 's', "Use -connect instead"},
610 {"port", OPT_PORT, 'p', "Use -connect instead"},
611 {"connect", OPT_CONNECT, 's',
612 "TCP/IP where to connect (default is :" PORT ")"},
613 {"bind", OPT_BIND, 's', "bind local address for connection"},
614 {"proxy", OPT_PROXY, 's',
615 "Connect to via specified proxy to the real server"},
616 {"proxy_user", OPT_PROXY_USER, 's', "UserID for proxy authentication"},
617 {"proxy_pass", OPT_PROXY_PASS, 's', "Proxy authentication password source"},
619 {"unix", OPT_UNIX, 's', "Connect over the specified Unix-domain socket"},
621 {"4", OPT_4, '-', "Use IPv4 only"},
623 {"6", OPT_6, '-', "Use IPv6 only"},
625 {"maxfraglen", OPT_MAXFRAGLEN, 'p',
626 "Enable Maximum Fragment Length Negotiation (len values: 512, 1024, 2048 and 4096)"},
627 {"max_send_frag", OPT_MAX_SEND_FRAG, 'p', "Maximum Size of send frames "},
628 {"split_send_frag", OPT_SPLIT_SEND_FRAG, 'p',
629 "Size used to split data for encrypt pipelines"},
630 {"max_pipelines", OPT_MAX_PIPELINES, 'p',
631 "Maximum number of encrypt/decrypt pipelines to be used"},
632 {"read_buf", OPT_READ_BUF, 'p',
633 "Default read buffer size to be used for connections"},
634 {"fallback_scsv", OPT_FALLBACKSCSV, '-', "Send the fallback SCSV"},
636 OPT_SECTION("Identity"),
637 {"cert", OPT_CERT, '<', "Client certificate file to use"},
638 {"certform", OPT_CERTFORM, 'F',
639 "Client certificate file format (PEM/DER/P12); has no effect"},
640 {"cert_chain", OPT_CERT_CHAIN, '<',
641 "Client certificate chain file (in PEM format)"},
642 {"build_chain", OPT_BUILD_CHAIN, '-', "Build client certificate chain"},
643 {"key", OPT_KEY, 's', "Private key file to use; default is: -cert file"},
644 {"keyform", OPT_KEYFORM, 'E', "Key format (ENGINE, other values ignored)"},
645 {"pass", OPT_PASS, 's', "Private key file pass phrase source"},
646 {"verify", OPT_VERIFY, 'p', "Turn on peer certificate verification"},
647 {"nameopt", OPT_NAMEOPT, 's', "Certificate subject/issuer name printing options"},
648 {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
649 {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
650 {"CAstore", OPT_CASTORE, ':', "URI to store of CA's"},
651 {"no-CAfile", OPT_NOCAFILE, '-',
652 "Do not load the default certificates file"},
653 {"no-CApath", OPT_NOCAPATH, '-',
654 "Do not load certificates from the default certificates directory"},
655 {"no-CAstore", OPT_NOCASTORE, '-',
656 "Do not load certificates from the default certificates store"},
657 {"requestCAfile", OPT_REQCAFILE, '<',
658 "PEM format file of CA names to send to the server"},
659 {"dane_tlsa_domain", OPT_DANE_TLSA_DOMAIN, 's', "DANE TLSA base domain"},
660 {"dane_tlsa_rrdata", OPT_DANE_TLSA_RRDATA, 's',
661 "DANE TLSA rrdata presentation form"},
662 {"dane_ee_no_namechecks", OPT_DANE_EE_NO_NAME, '-',
663 "Disable name checks when matching DANE-EE(3) TLSA records"},
664 {"psk_identity", OPT_PSK_IDENTITY, 's', "PSK identity"},
665 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"},
666 {"psk_session", OPT_PSK_SESS, '<', "File to read PSK SSL session from"},
667 {"name", OPT_PROTOHOST, 's',
668 "Hostname to use for \"-starttls lmtp\", \"-starttls smtp\" or \"-starttls xmpp[-server]\""},
670 OPT_SECTION("Session"),
671 {"reconnect", OPT_RECONNECT, '-',
672 "Drop and re-make the connection with the same Session-ID"},
673 {"sess_out", OPT_SESS_OUT, '>', "File to write SSL session to"},
674 {"sess_in", OPT_SESS_IN, '<', "File to read SSL session from"},
676 OPT_SECTION("Input/Output"),
677 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"},
678 {"quiet", OPT_QUIET, '-', "No s_client output"},
679 {"ign_eof", OPT_IGN_EOF, '-', "Ignore input eof (default when -quiet)"},
680 {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Don't ignore input eof"},
681 {"starttls", OPT_STARTTLS, 's',
682 "Use the appropriate STARTTLS command before starting TLS"},
683 {"xmpphost", OPT_XMPPHOST, 's',
684 "Alias of -name option for \"-starttls xmpp[-server]\""},
685 {"brief", OPT_BRIEF, '-',
686 "Restrict output to brief summary of connection parameters"},
687 {"prexit", OPT_PREXIT, '-',
688 "Print session information when the program exits"},
690 OPT_SECTION("Debug"),
691 {"showcerts", OPT_SHOWCERTS, '-',
692 "Show all certificates sent by the server"},
693 {"debug", OPT_DEBUG, '-', "Extra output"},
694 {"msg", OPT_MSG, '-', "Show protocol messages"},
695 {"msgfile", OPT_MSGFILE, '>',
696 "File to send output of -msg or -trace, instead of stdout"},
697 {"nbio_test", OPT_NBIO_TEST, '-', "More ssl protocol testing"},
698 {"state", OPT_STATE, '-', "Print the ssl states"},
699 {"keymatexport", OPT_KEYMATEXPORT, 's',
700 "Export keying material using label"},
701 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
702 "Export len bytes of keying material (default 20)"},
703 {"security_debug", OPT_SECURITY_DEBUG, '-',
704 "Enable security debug messages"},
705 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-',
706 "Output more security debug output"},
707 #ifndef OPENSSL_NO_SSL_TRACE
708 {"trace", OPT_TRACE, '-', "Show trace output of protocol messages"},
711 {"wdebug", OPT_WDEBUG, '-', "WATT-32 tcp debugging"},
713 {"keylogfile", OPT_KEYLOG_FILE, '>', "Write TLS secrets to file"},
714 {"nocommands", OPT_NOCMDS, '-', "Do not use interactive command letters"},
715 {"servername", OPT_SERVERNAME, 's',
716 "Set TLS extension servername (SNI) in ClientHello (default)"},
717 {"noservername", OPT_NOSERVERNAME, '-',
718 "Do not send the server name (SNI) extension in the ClientHello"},
719 {"tlsextdebug", OPT_TLSEXTDEBUG, '-',
720 "Hex dump of all TLS extensions received"},
721 {"ignore_unexpected_eof", OPT_IGNORE_UNEXPECTED_EOF, '-',
722 "Do not treat lack of close_notify from a peer as an error"},
723 #ifndef OPENSSL_NO_OCSP
724 {"status", OPT_STATUS, '-', "Request certificate status from server"},
726 {"serverinfo", OPT_SERVERINFO, 's',
727 "types Send empty ClientHello extensions (comma-separated numbers)"},
728 {"alpn", OPT_ALPN, 's',
729 "Enable ALPN extension, considering named protocols supported (comma-separated list)"},
730 {"async", OPT_ASYNC, '-', "Support asynchronous operation"},
731 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"},
733 OPT_SECTION("Protocol and version"),
734 #ifndef OPENSSL_NO_SSL3
735 {"ssl3", OPT_SSL3, '-', "Just use SSLv3"},
737 #ifndef OPENSSL_NO_TLS1
738 {"tls1", OPT_TLS1, '-', "Just use TLSv1"},
740 #ifndef OPENSSL_NO_TLS1_1
741 {"tls1_1", OPT_TLS1_1, '-', "Just use TLSv1.1"},
743 #ifndef OPENSSL_NO_TLS1_2
744 {"tls1_2", OPT_TLS1_2, '-', "Just use TLSv1.2"},
746 #ifndef OPENSSL_NO_TLS1_3
747 {"tls1_3", OPT_TLS1_3, '-', "Just use TLSv1.3"},
749 #ifndef OPENSSL_NO_DTLS
750 {"dtls", OPT_DTLS, '-', "Use any version of DTLS"},
751 {"timeout", OPT_TIMEOUT, '-',
752 "Enable send/receive timeout on DTLS connections"},
753 {"mtu", OPT_MTU, 'p', "Set the link layer MTU"},
755 #ifndef OPENSSL_NO_DTLS1
756 {"dtls1", OPT_DTLS1, '-', "Just use DTLSv1"},
758 #ifndef OPENSSL_NO_DTLS1_2
759 {"dtls1_2", OPT_DTLS1_2, '-', "Just use DTLSv1.2"},
761 #ifndef OPENSSL_NO_SCTP
762 {"sctp", OPT_SCTP, '-', "Use SCTP"},
763 {"sctp_label_bug", OPT_SCTP_LABEL_BUG, '-', "Enable SCTP label length bug"},
765 #ifndef OPENSSL_NO_NEXTPROTONEG
766 {"nextprotoneg", OPT_NEXTPROTONEG, 's',
767 "Enable NPN extension, considering named protocols supported (comma-separated list)"},
769 {"early_data", OPT_EARLY_DATA, '<', "File to send as early data"},
770 {"enable_pha", OPT_ENABLE_PHA, '-', "Enable post-handshake-authentication"},
771 #ifndef OPENSSL_NO_SRTP
772 {"use_srtp", OPT_USE_SRTP, 's',
773 "Offer SRTP key management with a colon-separated profile list"},
775 #ifndef OPENSSL_NO_SRP
776 {"srpuser", OPT_SRPUSER, 's', "SRP authentication for 'user'"},
777 {"srppass", OPT_SRPPASS, 's', "Password for 'user'"},
778 {"srp_lateuser", OPT_SRP_LATEUSER, '-',
779 "SRP username into second ClientHello message"},
780 {"srp_moregroups", OPT_SRP_MOREGROUPS, '-',
781 "Tolerate other than the known g N values."},
782 {"srp_strength", OPT_SRP_STRENGTH, 'p', "Minimal length in bits for N"},
788 {"CRL", OPT_CRL, '<', "CRL file to use"},
789 {"crl_download", OPT_CRL_DOWNLOAD, '-', "Download CRL from distribution points"},
790 {"CRLform", OPT_CRLFORM, 'F', "CRL format (PEM or DER) PEM is default"},
791 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-',
792 "Close connection on verification error"},
793 {"verify_quiet", OPT_VERIFY_QUIET, '-', "Restrict verify output to errors"},
794 {"chainCAfile", OPT_CHAINCAFILE, '<',
795 "CA file for certificate chain (PEM format)"},
796 {"chainCApath", OPT_CHAINCAPATH, '/',
797 "Use dir as certificate store path to build CA certificate chain"},
798 {"chainCAstore", OPT_CHAINCASTORE, ':',
799 "CA store URI for certificate chain"},
800 {"verifyCAfile", OPT_VERIFYCAFILE, '<',
801 "CA file for certificate verification (PEM format)"},
802 {"verifyCApath", OPT_VERIFYCAPATH, '/',
803 "Use dir as certificate store path to verify CA certificate"},
804 {"verifyCAstore", OPT_VERIFYCASTORE, ':',
805 "CA store URI for certificate verification"},
810 {"host:port", 0, 0, "Where to connect; same as -connect option"},
814 typedef enum PROTOCOL_choice {
833 static const OPT_PAIR services[] = {
834 {"smtp", PROTO_SMTP},
835 {"pop3", PROTO_POP3},
836 {"imap", PROTO_IMAP},
838 {"xmpp", PROTO_XMPP},
839 {"xmpp-server", PROTO_XMPP_SERVER},
840 {"telnet", PROTO_TELNET},
842 {"mysql", PROTO_MYSQL},
843 {"postgres", PROTO_POSTGRES},
844 {"lmtp", PROTO_LMTP},
845 {"nntp", PROTO_NNTP},
846 {"sieve", PROTO_SIEVE},
847 {"ldap", PROTO_LDAP},
851 #define IS_INET_FLAG(o) \
852 (o == OPT_4 || o == OPT_6 || o == OPT_HOST || o == OPT_PORT || o == OPT_CONNECT)
853 #define IS_UNIX_FLAG(o) (o == OPT_UNIX)
855 #define IS_PROT_FLAG(o) \
856 (o == OPT_SSL3 || o == OPT_TLS1 || o == OPT_TLS1_1 || o == OPT_TLS1_2 \
857 || o == OPT_TLS1_3 || o == OPT_DTLS || o == OPT_DTLS1 || o == OPT_DTLS1_2)
859 /* Free |*dest| and optionally set it to a copy of |source|. */
860 static void freeandcopy(char **dest, const char *source)
865 *dest = OPENSSL_strdup(source);
868 static int new_session_cb(SSL *s, SSL_SESSION *sess)
871 if (sess_out != NULL) {
872 BIO *stmp = BIO_new_file(sess_out, "w");
875 BIO_printf(bio_err, "Error writing session file %s\n", sess_out);
877 PEM_write_bio_SSL_SESSION(stmp, sess);
883 * Session data gets dumped on connection for TLSv1.2 and below, and on
884 * arrival of the NewSessionTicket for TLSv1.3.
886 if (SSL_version(s) == TLS1_3_VERSION) {
887 BIO_printf(bio_c_out,
888 "---\nPost-Handshake New Session Ticket arrived:\n");
889 SSL_SESSION_print(bio_c_out, sess);
890 BIO_printf(bio_c_out, "---\n");
894 * We always return a "fail" response so that the session gets freed again
895 * because we haven't used the reference.
900 int s_client_main(int argc, char **argv)
903 EVP_PKEY *key = NULL;
906 STACK_OF(X509) *chain = NULL;
908 X509_VERIFY_PARAM *vpm = NULL;
909 SSL_EXCERT *exc = NULL;
910 SSL_CONF_CTX *cctx = NULL;
911 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
912 char *dane_tlsa_domain = NULL;
913 STACK_OF(OPENSSL_STRING) *dane_tlsa_rrset = NULL;
914 int dane_ee_no_name = 0;
915 STACK_OF(X509_CRL) *crls = NULL;
916 const SSL_METHOD *meth = TLS_client_method();
917 const char *CApath = NULL, *CAfile = NULL, *CAstore = NULL;
918 char *cbuf = NULL, *sbuf = NULL, *mbuf = NULL;
919 char *proxystr = NULL, *proxyuser = NULL;
920 char *proxypassarg = NULL, *proxypass = NULL;
921 char *connectstr = NULL, *bindstr = NULL;
922 char *cert_file = NULL, *key_file = NULL, *chain_file = NULL;
923 char *chCApath = NULL, *chCAfile = NULL, *chCAstore = NULL, *host = NULL;
924 char *port = OPENSSL_strdup(PORT);
925 char *bindhost = NULL, *bindport = NULL;
926 char *passarg = NULL, *pass = NULL;
927 char *vfyCApath = NULL, *vfyCAfile = NULL, *vfyCAstore = NULL;
928 char *ReqCAfile = NULL;
929 char *sess_in = NULL, *crl_file = NULL, *p;
930 const char *protohost = NULL;
931 struct timeval timeout, *timeoutp;
932 fd_set readfds, writefds;
933 int noCApath = 0, noCAfile = 0, noCAstore = 0;
934 int build_chain = 0, cbuf_len, cbuf_off, cert_format = FORMAT_PEM;
935 int key_format = FORMAT_PEM, crlf = 0, full_log = 1, mbuf_len = 0;
938 int reconnect = 0, verify = SSL_VERIFY_NONE, vpmtouched = 0;
939 int ret = 1, in_init = 1, i, nbio_test = 0, sock = -1, k, width, state = 0;
940 int sbuf_len, sbuf_off, cmdletters = 1;
941 int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM, protocol = 0;
942 int starttls_proto = PROTO_OFF, crl_format = FORMAT_PEM, crl_download = 0;
943 int write_tty, read_tty, write_ssl, read_ssl, tty_on, ssl_pending;
944 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
947 int read_buf_len = 0;
948 int fallback_scsv = 0;
950 #ifndef OPENSSL_NO_DTLS
951 int enable_timeouts = 0;
954 #ifndef OPENSSL_NO_ENGINE
955 ENGINE *ssl_client_engine = NULL;
958 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
961 const char *servername = NULL;
962 int noservername = 0;
963 const char *alpn_in = NULL;
964 tlsextctx tlsextcbp = { NULL, 0 };
965 const char *ssl_config = NULL;
966 #define MAX_SI_TYPES 100
967 unsigned short serverinfo_types[MAX_SI_TYPES];
968 int serverinfo_count = 0, start = 0, len;
969 #ifndef OPENSSL_NO_NEXTPROTONEG
970 const char *next_proto_neg_in = NULL;
972 #ifndef OPENSSL_NO_SRP
973 char *srppass = NULL;
974 int srp_lateuser = 0;
975 SRP_ARG srp_arg = { NULL, NULL, 0, 0, 0, 1024 };
977 #ifndef OPENSSL_NO_SRTP
978 char *srtp_profiles = NULL;
980 #ifndef OPENSSL_NO_CT
981 char *ctlog_file = NULL;
982 int ct_validation = 0;
984 int min_version = 0, max_version = 0, prot_opt = 0, no_prot_opt = 0;
986 unsigned int max_send_fragment = 0;
987 unsigned int split_send_fragment = 0, max_pipelines = 0;
988 enum { use_inet, use_unix, use_unknown } connect_type = use_unknown;
990 uint8_t maxfraglen = 0;
991 int c_nbio = 0, c_msg = 0, c_ign_eof = 0, c_brief = 0;
992 int c_tlsextdebug = 0;
993 #ifndef OPENSSL_NO_OCSP
994 int c_status_req = 0;
996 BIO *bio_c_msg = NULL;
997 const char *keylog_file = NULL, *early_data_file = NULL;
998 #ifndef OPENSSL_NO_DTLS
1001 char *psksessf = NULL;
1003 #ifndef OPENSSL_NO_SCTP
1004 int sctp_label_bug = 0;
1006 int ignore_unexpected_eof = 0;
1010 /* Known false-positive of MemorySanitizer. */
1011 #if defined(__has_feature)
1012 # if __has_feature(memory_sanitizer)
1013 __msan_unpoison(&readfds, sizeof(readfds));
1014 __msan_unpoison(&writefds, sizeof(writefds));
1018 prog = opt_progname(argv[0]);
1023 vpm = X509_VERIFY_PARAM_new();
1024 cctx = SSL_CONF_CTX_new();
1026 if (vpm == NULL || cctx == NULL) {
1027 BIO_printf(bio_err, "%s: out of memory\n", prog);
1031 cbuf = app_malloc(BUFSIZZ, "cbuf");
1032 sbuf = app_malloc(BUFSIZZ, "sbuf");
1033 mbuf = app_malloc(BUFSIZZ, "mbuf");
1035 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT | SSL_CONF_FLAG_CMDLINE);
1037 prog = opt_init(argc, argv, s_client_options);
1038 while ((o = opt_next()) != OPT_EOF) {
1039 /* Check for intermixing flags. */
1040 if (connect_type == use_unix && IS_INET_FLAG(o)) {
1042 "%s: Intermixed protocol flags (unix and internet domains)\n",
1046 if (connect_type == use_inet && IS_UNIX_FLAG(o)) {
1048 "%s: Intermixed protocol flags (internet and unix domains)\n",
1053 if (IS_PROT_FLAG(o) && ++prot_opt > 1) {
1054 BIO_printf(bio_err, "Cannot supply multiple protocol flags\n");
1057 if (IS_NO_PROT_FLAG(o))
1059 if (prot_opt == 1 && no_prot_opt) {
1061 "Cannot supply both a protocol flag and '-no_<prot>'\n");
1069 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
1072 opt_help(s_client_options);
1076 connect_type = use_inet;
1077 socket_family = AF_INET;
1082 connect_type = use_inet;
1083 socket_family = AF_INET6;
1088 connect_type = use_inet;
1089 freeandcopy(&host, opt_arg());
1092 connect_type = use_inet;
1093 freeandcopy(&port, opt_arg());
1096 connect_type = use_inet;
1097 freeandcopy(&connectstr, opt_arg());
1100 freeandcopy(&bindstr, opt_arg());
1103 proxystr = opt_arg();
1104 starttls_proto = PROTO_CONNECT;
1106 case OPT_PROXY_USER:
1107 proxyuser = opt_arg();
1109 case OPT_PROXY_PASS:
1110 proxypassarg = opt_arg();
1114 connect_type = use_unix;
1115 socket_family = AF_UNIX;
1116 freeandcopy(&host, opt_arg());
1120 /* fall through, since this is an alias */
1122 protohost = opt_arg();
1125 verify = SSL_VERIFY_PEER;
1126 verify_args.depth = atoi(opt_arg());
1128 BIO_printf(bio_err, "verify depth is %d\n", verify_args.depth);
1131 cert_file = opt_arg();
1134 if (!set_nameopt(opt_arg()))
1138 crl_file = opt_arg();
1140 case OPT_CRL_DOWNLOAD:
1144 sess_out = opt_arg();
1147 sess_in = opt_arg();
1150 if (!opt_format(opt_arg(), OPT_FMT_ANY, &cert_format))
1154 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
1157 case OPT_VERIFY_RET_ERROR:
1158 verify = SSL_VERIFY_PEER;
1159 verify_args.return_error = 1;
1161 case OPT_VERIFY_QUIET:
1162 verify_args.quiet = 1;
1165 c_brief = verify_args.quiet = c_quiet = 1;
1168 if (ssl_args == NULL)
1169 ssl_args = sk_OPENSSL_STRING_new_null();
1170 if (ssl_args == NULL
1171 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
1172 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
1173 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1178 if (!opt_verify(o, vpm))
1183 if (!args_excert(o, &exc))
1186 case OPT_IGNORE_UNEXPECTED_EOF:
1187 ignore_unexpected_eof = 1;
1196 c_quiet = c_ign_eof = 1;
1205 e = setup_engine(opt_arg(), 1);
1207 case OPT_SSL_CLIENT_ENGINE:
1208 #ifndef OPENSSL_NO_ENGINE
1209 ssl_client_engine = ENGINE_by_id(opt_arg());
1210 if (ssl_client_engine == NULL) {
1211 BIO_printf(bio_err, "Error getting client auth engine\n");
1220 case OPT_PROV_CASES:
1221 if (!opt_provider(o))
1227 case OPT_NO_IGN_EOF:
1233 case OPT_TLSEXTDEBUG:
1237 #ifndef OPENSSL_NO_OCSP
1250 bio_c_msg = BIO_new_file(opt_arg(), "w");
1253 #ifndef OPENSSL_NO_SSL_TRACE
1257 case OPT_SECURITY_DEBUG:
1260 case OPT_SECURITY_DEBUG_VERBOSE:
1272 case OPT_PSK_IDENTITY:
1273 psk_identity = opt_arg();
1276 for (p = psk_key = opt_arg(); *p; p++) {
1277 if (isxdigit(_UC(*p)))
1279 BIO_printf(bio_err, "Not a hex number '%s'\n", psk_key);
1284 psksessf = opt_arg();
1286 #ifndef OPENSSL_NO_SRP
1288 srp_arg.srplogin = opt_arg();
1289 if (min_version < TLS1_VERSION)
1290 min_version = TLS1_VERSION;
1293 srppass = opt_arg();
1294 if (min_version < TLS1_VERSION)
1295 min_version = TLS1_VERSION;
1297 case OPT_SRP_STRENGTH:
1298 srp_arg.strength = atoi(opt_arg());
1299 BIO_printf(bio_err, "SRP minimal length for N is %d\n",
1301 if (min_version < TLS1_VERSION)
1302 min_version = TLS1_VERSION;
1304 case OPT_SRP_LATEUSER:
1306 if (min_version < TLS1_VERSION)
1307 min_version = TLS1_VERSION;
1309 case OPT_SRP_MOREGROUPS:
1311 if (min_version < TLS1_VERSION)
1312 min_version = TLS1_VERSION;
1315 case OPT_SSL_CONFIG:
1316 ssl_config = opt_arg();
1319 min_version = SSL3_VERSION;
1320 max_version = SSL3_VERSION;
1323 min_version = TLS1_3_VERSION;
1324 max_version = TLS1_3_VERSION;
1327 min_version = TLS1_2_VERSION;
1328 max_version = TLS1_2_VERSION;
1331 min_version = TLS1_1_VERSION;
1332 max_version = TLS1_1_VERSION;
1335 min_version = TLS1_VERSION;
1336 max_version = TLS1_VERSION;
1339 #ifndef OPENSSL_NO_DTLS
1340 meth = DTLS_client_method();
1341 socket_type = SOCK_DGRAM;
1346 #ifndef OPENSSL_NO_DTLS1
1347 meth = DTLS_client_method();
1348 min_version = DTLS1_VERSION;
1349 max_version = DTLS1_VERSION;
1350 socket_type = SOCK_DGRAM;
1355 #ifndef OPENSSL_NO_DTLS1_2
1356 meth = DTLS_client_method();
1357 min_version = DTLS1_2_VERSION;
1358 max_version = DTLS1_2_VERSION;
1359 socket_type = SOCK_DGRAM;
1364 #ifndef OPENSSL_NO_SCTP
1365 protocol = IPPROTO_SCTP;
1368 case OPT_SCTP_LABEL_BUG:
1369 #ifndef OPENSSL_NO_SCTP
1374 #ifndef OPENSSL_NO_DTLS
1375 enable_timeouts = 1;
1379 #ifndef OPENSSL_NO_DTLS
1380 socket_mtu = atol(opt_arg());
1383 case OPT_FALLBACKSCSV:
1387 if (!opt_format(opt_arg(), OPT_FMT_ANY, &key_format))
1391 passarg = opt_arg();
1393 case OPT_CERT_CHAIN:
1394 chain_file = opt_arg();
1397 key_file = opt_arg();
1408 case OPT_CHAINCAPATH:
1409 chCApath = opt_arg();
1411 case OPT_VERIFYCAPATH:
1412 vfyCApath = opt_arg();
1414 case OPT_BUILD_CHAIN:
1418 ReqCAfile = opt_arg();
1426 #ifndef OPENSSL_NO_CT
1433 case OPT_CTLOG_FILE:
1434 ctlog_file = opt_arg();
1437 case OPT_CHAINCAFILE:
1438 chCAfile = opt_arg();
1440 case OPT_VERIFYCAFILE:
1441 vfyCAfile = opt_arg();
1444 CAstore = opt_arg();
1449 case OPT_CHAINCASTORE:
1450 chCAstore = opt_arg();
1452 case OPT_VERIFYCASTORE:
1453 vfyCAstore = opt_arg();
1455 case OPT_DANE_TLSA_DOMAIN:
1456 dane_tlsa_domain = opt_arg();
1458 case OPT_DANE_TLSA_RRDATA:
1459 if (dane_tlsa_rrset == NULL)
1460 dane_tlsa_rrset = sk_OPENSSL_STRING_new_null();
1461 if (dane_tlsa_rrset == NULL ||
1462 !sk_OPENSSL_STRING_push(dane_tlsa_rrset, opt_arg())) {
1463 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1467 case OPT_DANE_EE_NO_NAME:
1468 dane_ee_no_name = 1;
1470 case OPT_NEXTPROTONEG:
1471 #ifndef OPENSSL_NO_NEXTPROTONEG
1472 next_proto_neg_in = opt_arg();
1476 alpn_in = opt_arg();
1478 case OPT_SERVERINFO:
1481 for (start = 0, i = 0; i <= len; ++i) {
1482 if (i == len || p[i] == ',') {
1483 serverinfo_types[serverinfo_count] = atoi(p + start);
1484 if (++serverinfo_count == MAX_SI_TYPES)
1491 if (!opt_pair(opt_arg(), services, &starttls_proto))
1494 case OPT_SERVERNAME:
1495 servername = opt_arg();
1497 case OPT_NOSERVERNAME:
1501 #ifndef OPENSSL_NO_SRTP
1502 srtp_profiles = opt_arg();
1505 case OPT_KEYMATEXPORT:
1506 keymatexportlabel = opt_arg();
1508 case OPT_KEYMATEXPORTLEN:
1509 keymatexportlen = atoi(opt_arg());
1514 case OPT_MAXFRAGLEN:
1515 len = atoi(opt_arg());
1518 maxfraglen = TLSEXT_max_fragment_length_512;
1521 maxfraglen = TLSEXT_max_fragment_length_1024;
1524 maxfraglen = TLSEXT_max_fragment_length_2048;
1527 maxfraglen = TLSEXT_max_fragment_length_4096;
1531 "%s: Max Fragment Len %u is out of permitted values",
1536 case OPT_MAX_SEND_FRAG:
1537 max_send_fragment = atoi(opt_arg());
1539 case OPT_SPLIT_SEND_FRAG:
1540 split_send_fragment = atoi(opt_arg());
1542 case OPT_MAX_PIPELINES:
1543 max_pipelines = atoi(opt_arg());
1546 read_buf_len = atoi(opt_arg());
1548 case OPT_KEYLOG_FILE:
1549 keylog_file = opt_arg();
1551 case OPT_EARLY_DATA:
1552 early_data_file = opt_arg();
1554 case OPT_ENABLE_PHA:
1560 if (count4or6 >= 2) {
1561 BIO_printf(bio_err, "%s: Can't use both -4 and -6\n", prog);
1565 if (servername != NULL) {
1567 "%s: Can't use -servername and -noservername together\n",
1571 if (dane_tlsa_domain != NULL) {
1573 "%s: Can't use -dane_tlsa_domain and -noservername together\n",
1578 argc = opt_num_rest();
1580 /* If there's a positional argument, it's the equivalent of
1582 * Don't allow -connect and a separate argument.
1584 if (connectstr != NULL) {
1586 "%s: must not provide both -connect option and target parameter\n",
1590 connect_type = use_inet;
1591 freeandcopy(&connectstr, *opt_rest());
1592 } else if (argc != 0) {
1596 #ifndef OPENSSL_NO_NEXTPROTONEG
1597 if (min_version == TLS1_3_VERSION && next_proto_neg_in != NULL) {
1598 BIO_printf(bio_err, "Cannot supply -nextprotoneg with TLSv1.3\n");
1602 if (proxystr != NULL) {
1604 char *tmp_host = host, *tmp_port = port;
1605 if (connectstr == NULL) {
1606 BIO_printf(bio_err, "%s: -proxy requires use of -connect or target parameter\n", prog);
1609 res = BIO_parse_hostserv(proxystr, &host, &port, BIO_PARSE_PRIO_HOST);
1610 if (tmp_host != host)
1611 OPENSSL_free(tmp_host);
1612 if (tmp_port != port)
1613 OPENSSL_free(tmp_port);
1616 "%s: -proxy argument malformed or ambiguous\n", prog);
1621 char *tmp_host = host, *tmp_port = port;
1622 if (connectstr != NULL)
1623 res = BIO_parse_hostserv(connectstr, &host, &port,
1624 BIO_PARSE_PRIO_HOST);
1625 if (tmp_host != host)
1626 OPENSSL_free(tmp_host);
1627 if (tmp_port != port)
1628 OPENSSL_free(tmp_port);
1631 "%s: -connect argument or target parameter malformed or ambiguous\n",
1637 if (bindstr != NULL) {
1639 res = BIO_parse_hostserv(bindstr, &bindhost, &bindport,
1640 BIO_PARSE_PRIO_HOST);
1643 "%s: -bind argument parameter malformed or ambiguous\n",
1650 if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) {
1652 "Can't use unix sockets and datagrams together\n");
1657 #ifndef OPENSSL_NO_SCTP
1658 if (protocol == IPPROTO_SCTP) {
1659 if (socket_type != SOCK_DGRAM) {
1660 BIO_printf(bio_err, "Can't use -sctp without DTLS\n");
1663 /* SCTP is unusual. It uses DTLS over a SOCK_STREAM protocol */
1664 socket_type = SOCK_STREAM;
1668 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1669 next_proto.status = -1;
1670 if (next_proto_neg_in) {
1672 next_protos_parse(&next_proto.len, next_proto_neg_in);
1673 if (next_proto.data == NULL) {
1674 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n");
1678 next_proto.data = NULL;
1681 if (!app_passwd(passarg, NULL, &pass, NULL)) {
1682 BIO_printf(bio_err, "Error getting private key password\n");
1686 if (!app_passwd(proxypassarg, NULL, &proxypass, NULL)) {
1687 BIO_printf(bio_err, "Error getting proxy password\n");
1691 if (proxypass != NULL && proxyuser == NULL) {
1692 BIO_printf(bio_err, "Error: Must specify proxy_user with proxy_pass\n");
1696 if (key_file == NULL)
1697 key_file = cert_file;
1699 if (key_file != NULL) {
1700 key = load_key(key_file, key_format, 0, pass, e,
1701 "client certificate private key file");
1706 if (cert_file != NULL) {
1707 cert = load_cert(cert_file, cert_format, "client certificate file");
1712 if (chain_file != NULL) {
1713 if (!load_certs(chain_file, &chain, FORMAT_PEM, NULL,
1714 "client certificate chain"))
1718 if (crl_file != NULL) {
1720 crl = load_crl(crl_file, crl_format, "CRL");
1723 crls = sk_X509_CRL_new_null();
1724 if (crls == NULL || !sk_X509_CRL_push(crls, crl)) {
1725 BIO_puts(bio_err, "Error adding CRL\n");
1726 ERR_print_errors(bio_err);
1732 if (!load_excert(&exc))
1735 if (bio_c_out == NULL) {
1736 if (c_quiet && !c_debug) {
1737 bio_c_out = BIO_new(BIO_s_null());
1738 if (c_msg && bio_c_msg == NULL)
1739 bio_c_msg = dup_bio_out(FORMAT_TEXT);
1740 } else if (bio_c_out == NULL)
1741 bio_c_out = dup_bio_out(FORMAT_TEXT);
1743 #ifndef OPENSSL_NO_SRP
1744 if (!app_passwd(srppass, NULL, &srp_arg.srppassin, NULL)) {
1745 BIO_printf(bio_err, "Error getting password\n");
1750 ctx = SSL_CTX_new(meth);
1752 ERR_print_errors(bio_err);
1756 SSL_CTX_clear_mode(ctx, SSL_MODE_AUTO_RETRY);
1759 ssl_ctx_security_debug(ctx, sdebug);
1761 if (!config_ctx(cctx, ssl_args, ctx))
1764 if (ssl_config != NULL) {
1765 if (SSL_CTX_config(ctx, ssl_config) == 0) {
1766 BIO_printf(bio_err, "Error using configuration \"%s\"\n",
1768 ERR_print_errors(bio_err);
1773 #ifndef OPENSSL_NO_SCTP
1774 if (protocol == IPPROTO_SCTP && sctp_label_bug == 1)
1775 SSL_CTX_set_mode(ctx, SSL_MODE_DTLS_SCTP_LABEL_LENGTH_BUG);
1778 if (min_version != 0
1779 && SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
1781 if (max_version != 0
1782 && SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
1785 if (ignore_unexpected_eof)
1786 SSL_CTX_set_options(ctx, SSL_OP_IGNORE_UNEXPECTED_EOF);
1788 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
1789 BIO_printf(bio_err, "Error setting verify params\n");
1790 ERR_print_errors(bio_err);
1795 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
1798 if (max_send_fragment > 0
1799 && !SSL_CTX_set_max_send_fragment(ctx, max_send_fragment)) {
1800 BIO_printf(bio_err, "%s: Max send fragment size %u is out of permitted range\n",
1801 prog, max_send_fragment);
1805 if (split_send_fragment > 0
1806 && !SSL_CTX_set_split_send_fragment(ctx, split_send_fragment)) {
1807 BIO_printf(bio_err, "%s: Split send fragment size %u is out of permitted range\n",
1808 prog, split_send_fragment);
1812 if (max_pipelines > 0
1813 && !SSL_CTX_set_max_pipelines(ctx, max_pipelines)) {
1814 BIO_printf(bio_err, "%s: Max pipelines %u is out of permitted range\n",
1815 prog, max_pipelines);
1819 if (read_buf_len > 0) {
1820 SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len);
1824 && !SSL_CTX_set_tlsext_max_fragment_length(ctx, maxfraglen)) {
1826 "%s: Max Fragment Length code %u is out of permitted values"
1827 "\n", prog, maxfraglen);
1831 if (!ssl_load_stores(ctx,
1832 vfyCApath, vfyCAfile, vfyCAstore,
1833 chCApath, chCAfile, chCAstore,
1834 crls, crl_download)) {
1835 BIO_printf(bio_err, "Error loading store locations\n");
1836 ERR_print_errors(bio_err);
1839 if (ReqCAfile != NULL) {
1840 STACK_OF(X509_NAME) *nm = sk_X509_NAME_new_null();
1842 if (nm == NULL || !SSL_add_file_cert_subjects_to_stack(nm, ReqCAfile)) {
1843 sk_X509_NAME_pop_free(nm, X509_NAME_free);
1844 BIO_printf(bio_err, "Error loading CA names\n");
1845 ERR_print_errors(bio_err);
1848 SSL_CTX_set0_CA_list(ctx, nm);
1850 #ifndef OPENSSL_NO_ENGINE
1851 if (ssl_client_engine) {
1852 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine)) {
1853 BIO_puts(bio_err, "Error setting client auth engine\n");
1854 ERR_print_errors(bio_err);
1855 ENGINE_free(ssl_client_engine);
1858 ENGINE_free(ssl_client_engine);
1862 #ifndef OPENSSL_NO_PSK
1863 if (psk_key != NULL) {
1865 BIO_printf(bio_c_out, "PSK key given, setting client callback\n");
1866 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
1869 if (psksessf != NULL) {
1870 BIO *stmp = BIO_new_file(psksessf, "r");
1873 BIO_printf(bio_err, "Can't open PSK session file %s\n", psksessf);
1874 ERR_print_errors(bio_err);
1877 psksess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1879 if (psksess == NULL) {
1880 BIO_printf(bio_err, "Can't read PSK session file %s\n", psksessf);
1881 ERR_print_errors(bio_err);
1885 if (psk_key != NULL || psksess != NULL)
1886 SSL_CTX_set_psk_use_session_callback(ctx, psk_use_session_cb);
1888 #ifndef OPENSSL_NO_SRTP
1889 if (srtp_profiles != NULL) {
1890 /* Returns 0 on success! */
1891 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
1892 BIO_printf(bio_err, "Error setting SRTP profile\n");
1893 ERR_print_errors(bio_err);
1900 ssl_ctx_set_excert(ctx, exc);
1902 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1903 if (next_proto.data != NULL)
1904 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
1908 unsigned char *alpn = next_protos_parse(&alpn_len, alpn_in);
1911 BIO_printf(bio_err, "Error parsing -alpn argument\n");
1914 /* Returns 0 on success! */
1915 if (SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len) != 0) {
1916 BIO_printf(bio_err, "Error setting ALPN\n");
1922 for (i = 0; i < serverinfo_count; i++) {
1923 if (!SSL_CTX_add_client_custom_ext(ctx,
1924 serverinfo_types[i],
1926 serverinfo_cli_parse_cb, NULL)) {
1928 "Warning: Unable to add custom extension %u, skipping\n",
1929 serverinfo_types[i]);
1934 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1936 #ifndef OPENSSL_NO_CT
1937 /* Enable SCT processing, without early connection termination */
1938 if (ct_validation &&
1939 !SSL_CTX_enable_ct(ctx, SSL_CT_VALIDATION_PERMISSIVE)) {
1940 ERR_print_errors(bio_err);
1944 if (!ctx_set_ctlog_list_file(ctx, ctlog_file)) {
1945 if (ct_validation) {
1946 ERR_print_errors(bio_err);
1951 * If CT validation is not enabled, the log list isn't needed so don't
1952 * show errors or abort. We try to load it regardless because then we
1953 * can show the names of the logs any SCTs came from (SCTs may be seen
1954 * even with validation disabled).
1960 SSL_CTX_set_verify(ctx, verify, verify_callback);
1962 if (!ctx_set_verify_locations(ctx, CAfile, noCAfile, CApath, noCApath,
1963 CAstore, noCAstore)) {
1964 ERR_print_errors(bio_err);
1968 ssl_ctx_add_crls(ctx, crls, crl_download);
1970 if (!set_cert_key_stuff(ctx, cert, key, chain, build_chain))
1973 if (!noservername) {
1974 tlsextcbp.biodebug = bio_err;
1975 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1976 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1978 # ifndef OPENSSL_NO_SRP
1979 if (srp_arg.srplogin) {
1980 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin)) {
1981 BIO_printf(bio_err, "Unable to set SRP username\n");
1984 srp_arg.msg = c_msg;
1985 srp_arg.debug = c_debug;
1986 SSL_CTX_set_srp_cb_arg(ctx, &srp_arg);
1987 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb);
1988 SSL_CTX_set_srp_strength(ctx, srp_arg.strength);
1989 if (c_msg || c_debug || srp_arg.amp == 0)
1990 SSL_CTX_set_srp_verify_param_callback(ctx,
1991 ssl_srp_verify_param_cb);
1995 if (dane_tlsa_domain != NULL) {
1996 if (SSL_CTX_dane_enable(ctx) <= 0) {
1998 "%s: Error enabling DANE TLSA authentication.\n",
2000 ERR_print_errors(bio_err);
2006 * In TLSv1.3 NewSessionTicket messages arrive after the handshake and can
2007 * come at any time. Therefore we use a callback to write out the session
2008 * when we know about it. This approach works for < TLSv1.3 as well.
2010 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_CLIENT
2011 | SSL_SESS_CACHE_NO_INTERNAL_STORE);
2012 SSL_CTX_sess_set_new_cb(ctx, new_session_cb);
2014 if (set_keylog_file(ctx, keylog_file))
2022 SSL_set_post_handshake_auth(con, 1);
2024 if (sess_in != NULL) {
2026 BIO *stmp = BIO_new_file(sess_in, "r");
2028 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
2029 ERR_print_errors(bio_err);
2032 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
2035 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
2036 ERR_print_errors(bio_err);
2039 if (!SSL_set_session(con, sess)) {
2040 BIO_printf(bio_err, "Can't set session\n");
2041 ERR_print_errors(bio_err);
2045 SSL_SESSION_free(sess);
2049 SSL_set_mode(con, SSL_MODE_SEND_FALLBACK_SCSV);
2051 if (!noservername && (servername != NULL || dane_tlsa_domain == NULL)) {
2052 if (servername == NULL) {
2053 if(host == NULL || is_dNS_name(host))
2054 servername = (host == NULL) ? "localhost" : host;
2056 if (servername != NULL && !SSL_set_tlsext_host_name(con, servername)) {
2057 BIO_printf(bio_err, "Unable to set TLS servername extension.\n");
2058 ERR_print_errors(bio_err);
2063 if (dane_tlsa_domain != NULL) {
2064 if (SSL_dane_enable(con, dane_tlsa_domain) <= 0) {
2065 BIO_printf(bio_err, "%s: Error enabling DANE TLSA "
2066 "authentication.\n", prog);
2067 ERR_print_errors(bio_err);
2070 if (dane_tlsa_rrset == NULL) {
2071 BIO_printf(bio_err, "%s: DANE TLSA authentication requires at "
2072 "least one -dane_tlsa_rrdata option.\n", prog);
2075 if (tlsa_import_rrset(con, dane_tlsa_rrset) <= 0) {
2076 BIO_printf(bio_err, "%s: Failed to import any TLSA "
2077 "records.\n", prog);
2080 if (dane_ee_no_name)
2081 SSL_dane_set_flags(con, DANE_FLAG_NO_DANE_EE_NAMECHECKS);
2082 } else if (dane_tlsa_rrset != NULL) {
2083 BIO_printf(bio_err, "%s: DANE TLSA authentication requires the "
2084 "-dane_tlsa_domain option.\n", prog);
2089 if (init_client(&sock, host, port, bindhost, bindport, socket_family,
2090 socket_type, protocol) == 0) {
2091 BIO_printf(bio_err, "connect:errno=%d\n", get_last_socket_error());
2092 BIO_closesocket(sock);
2095 BIO_printf(bio_c_out, "CONNECTED(%08X)\n", sock);
2098 if (!BIO_socket_nbio(sock, 1)) {
2099 ERR_print_errors(bio_err);
2102 BIO_printf(bio_c_out, "Turned on non blocking io\n");
2104 #ifndef OPENSSL_NO_DTLS
2106 union BIO_sock_info_u peer_info;
2108 #ifndef OPENSSL_NO_SCTP
2109 if (protocol == IPPROTO_SCTP)
2110 sbio = BIO_new_dgram_sctp(sock, BIO_NOCLOSE);
2113 sbio = BIO_new_dgram(sock, BIO_NOCLOSE);
2115 if ((peer_info.addr = BIO_ADDR_new()) == NULL) {
2116 BIO_printf(bio_err, "memory allocation failure\n");
2117 BIO_closesocket(sock);
2120 if (!BIO_sock_info(sock, BIO_SOCK_INFO_ADDRESS, &peer_info)) {
2121 BIO_printf(bio_err, "getsockname:errno=%d\n",
2122 get_last_socket_error());
2123 BIO_ADDR_free(peer_info.addr);
2124 BIO_closesocket(sock);
2128 (void)BIO_ctrl_set_connected(sbio, peer_info.addr);
2129 BIO_ADDR_free(peer_info.addr);
2130 peer_info.addr = NULL;
2132 if (enable_timeouts) {
2134 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2135 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2138 timeout.tv_usec = DGRAM_SND_TIMEOUT;
2139 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2143 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
2144 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
2145 DTLS_get_link_min_mtu(con));
2149 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2150 if (!DTLS_set_link_mtu(con, socket_mtu)) {
2151 BIO_printf(bio_err, "Failed to set MTU\n");
2156 /* want to do MTU discovery */
2157 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2160 #endif /* OPENSSL_NO_DTLS */
2161 sbio = BIO_new_socket(sock, BIO_NOCLOSE);
2166 test = BIO_new(BIO_f_nbio_test());
2167 sbio = BIO_push(test, sbio);
2171 BIO_set_callback(sbio, bio_dump_callback);
2172 BIO_set_callback_arg(sbio, (char *)bio_c_out);
2175 #ifndef OPENSSL_NO_SSL_TRACE
2177 SSL_set_msg_callback(con, SSL_trace);
2180 SSL_set_msg_callback(con, msg_cb);
2181 SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out);
2184 if (c_tlsextdebug) {
2185 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2186 SSL_set_tlsext_debug_arg(con, bio_c_out);
2188 #ifndef OPENSSL_NO_OCSP
2190 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
2191 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
2192 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
2196 SSL_set_bio(con, sbio, sbio);
2197 SSL_set_connect_state(con);
2199 /* ok, lets connect */
2200 if (fileno_stdin() > SSL_get_fd(con))
2201 width = fileno_stdin() + 1;
2203 width = SSL_get_fd(con) + 1;
2216 switch ((PROTOCOL_CHOICE) starttls_proto) {
2223 * This is an ugly hack that does a lot of assumptions. We do
2224 * have to handle multi-line responses which may come in a single
2225 * packet or not. We therefore have to use BIO_gets() which does
2226 * need a buffering BIO. So during the initial chitchat we do
2227 * push a buffering BIO into the chain that is removed again
2228 * later on to not disturb the rest of the s_client operation.
2231 BIO *fbio = BIO_new(BIO_f_buffer());
2233 BIO_push(fbio, sbio);
2234 /* Wait for multi-line response to end from LMTP or SMTP */
2236 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2237 } while (mbuf_len > 3 && mbuf[3] == '-');
2238 if (protohost == NULL)
2239 protohost = "mail.example.com";
2240 if (starttls_proto == (int)PROTO_LMTP)
2241 BIO_printf(fbio, "LHLO %s\r\n", protohost);
2243 BIO_printf(fbio, "EHLO %s\r\n", protohost);
2244 (void)BIO_flush(fbio);
2246 * Wait for multi-line response to end LHLO LMTP or EHLO SMTP
2250 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2251 if (strstr(mbuf, "STARTTLS"))
2253 } while (mbuf_len > 3 && mbuf[3] == '-');
2254 (void)BIO_flush(fbio);
2259 "Didn't find STARTTLS in server response,"
2260 " trying anyway...\n");
2261 BIO_printf(sbio, "STARTTLS\r\n");
2262 BIO_read(sbio, sbuf, BUFSIZZ);
2267 BIO_read(sbio, mbuf, BUFSIZZ);
2268 BIO_printf(sbio, "STLS\r\n");
2269 mbuf_len = BIO_read(sbio, sbuf, BUFSIZZ);
2271 BIO_printf(bio_err, "BIO_read failed\n");
2279 BIO *fbio = BIO_new(BIO_f_buffer());
2281 BIO_push(fbio, sbio);
2282 BIO_gets(fbio, mbuf, BUFSIZZ);
2283 /* STARTTLS command requires CAPABILITY... */
2284 BIO_printf(fbio, ". CAPABILITY\r\n");
2285 (void)BIO_flush(fbio);
2286 /* wait for multi-line CAPABILITY response */
2288 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2289 if (strstr(mbuf, "STARTTLS"))
2292 while (mbuf_len > 3 && mbuf[0] != '.');
2293 (void)BIO_flush(fbio);
2298 "Didn't find STARTTLS in server response,"
2299 " trying anyway...\n");
2300 BIO_printf(sbio, ". STARTTLS\r\n");
2301 BIO_read(sbio, sbuf, BUFSIZZ);
2306 BIO *fbio = BIO_new(BIO_f_buffer());
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 if (!OSSL_HTTP_proxy_connect(sbio, host, port, proxyuser, proxypass,
2393 0 /* no timeout */, bio_err, prog))
2399 BIO *fbio = BIO_new(BIO_f_buffer());
2401 BIO_push(fbio, sbio);
2402 BIO_printf(fbio, "STARTTLS\r\n");
2403 (void)BIO_flush(fbio);
2404 width = SSL_get_fd(con) + 1;
2410 openssl_fdset(SSL_get_fd(con), &readfds);
2411 timeout.tv_sec = S_CLIENT_IRC_READ_TIMEOUT;
2412 timeout.tv_usec = 0;
2414 * If the IRCd doesn't respond within
2415 * S_CLIENT_IRC_READ_TIMEOUT seconds, assume
2416 * it doesn't support STARTTLS. Many IRCds
2417 * will not give _any_ sort of response to a
2418 * STARTTLS command when it's not supported.
2420 if (!BIO_get_buffer_num_lines(fbio)
2421 && !BIO_pending(fbio)
2422 && !BIO_pending(sbio)
2423 && select(width, (void *)&readfds, NULL, NULL,
2426 "Timeout waiting for response (%d seconds).\n",
2427 S_CLIENT_IRC_READ_TIMEOUT);
2431 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2432 if (mbuf_len < 1 || sscanf(mbuf, "%*s %d", &numeric) != 1)
2434 /* :example.net 451 STARTTLS :You have not registered */
2435 /* :example.net 421 STARTTLS :Unknown command */
2436 if ((numeric == 451 || numeric == 421)
2437 && strstr(mbuf, "STARTTLS") != NULL) {
2438 BIO_printf(bio_err, "STARTTLS not supported: %s", mbuf);
2441 if (numeric == 691) {
2442 BIO_printf(bio_err, "STARTTLS negotiation failed: ");
2443 ERR_print_errors(bio_err);
2446 } while (numeric != 670);
2448 (void)BIO_flush(fbio);
2451 if (numeric != 670) {
2452 BIO_printf(bio_err, "Server does not support STARTTLS.\n");
2460 /* SSL request packet */
2461 static const unsigned char ssl_req[] = {
2462 /* payload_length, sequence_id */
2463 0x20, 0x00, 0x00, 0x01,
2465 /* capability flags, CLIENT_SSL always set */
2466 0x85, 0xae, 0x7f, 0x00,
2467 /* max-packet size */
2468 0x00, 0x00, 0x00, 0x01,
2471 /* string[23] reserved (all [0]) */
2472 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
2473 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
2474 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
2477 int ssl_flg = 0x800;
2479 const unsigned char *packet = (const unsigned char *)sbuf;
2481 /* Receiving Initial Handshake packet. */
2482 bytes = BIO_read(sbio, (void *)packet, BUFSIZZ);
2484 BIO_printf(bio_err, "BIO_read failed\n");
2486 /* Packet length[3], Packet number[1] + minimum payload[17] */
2487 } else if (bytes < 21) {
2488 BIO_printf(bio_err, "MySQL packet too short.\n");
2490 } else if (bytes != (4 + packet[0] +
2492 (packet[2] << 16))) {
2493 BIO_printf(bio_err, "MySQL packet length does not match.\n");
2495 /* protocol version[1] */
2496 } else if (packet[4] != 0xA) {
2498 "Only MySQL protocol version 10 is supported.\n");
2503 /* server version[string+NULL] */
2506 BIO_printf(bio_err, "Cannot confirm server version. ");
2508 } else if (packet[pos++] == '\0') {
2513 /* make sure we have at least 15 bytes left in the packet */
2514 if (pos + 15 > bytes) {
2516 "MySQL server handshake packet is broken.\n");
2520 pos += 12; /* skip over conn id[4] + SALT[8] */
2521 if (packet[pos++] != '\0') { /* verify filler */
2523 "MySQL packet is broken.\n");
2527 /* capability flags[2] */
2528 if (!((packet[pos] + (packet[pos + 1] << 8)) & ssl_flg)) {
2529 BIO_printf(bio_err, "MySQL server does not support SSL.\n");
2533 /* Sending SSL Handshake packet. */
2534 BIO_write(sbio, ssl_req, sizeof(ssl_req));
2535 (void)BIO_flush(sbio);
2538 case PROTO_POSTGRES:
2540 static const unsigned char ssl_request[] = {
2541 /* Length SSLRequest */
2542 0, 0, 0, 8, 4, 210, 22, 47
2546 /* Send SSLRequest packet */
2547 BIO_write(sbio, ssl_request, 8);
2548 (void)BIO_flush(sbio);
2550 /* Reply will be a single S if SSL is enabled */
2551 bytes = BIO_read(sbio, sbuf, BUFSIZZ);
2552 if (bytes != 1 || sbuf[0] != 'S')
2559 BIO *fbio = BIO_new(BIO_f_buffer());
2561 BIO_push(fbio, sbio);
2562 BIO_gets(fbio, mbuf, BUFSIZZ);
2563 /* STARTTLS command requires CAPABILITIES... */
2564 BIO_printf(fbio, "CAPABILITIES\r\n");
2565 (void)BIO_flush(fbio);
2566 BIO_gets(fbio, mbuf, BUFSIZZ);
2567 /* no point in trying to parse the CAPABILITIES response if there is none */
2568 if (strstr(mbuf, "101") != NULL) {
2569 /* wait for multi-line CAPABILITIES response */
2571 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2572 if (strstr(mbuf, "STARTTLS"))
2574 } while (mbuf_len > 1 && mbuf[0] != '.');
2576 (void)BIO_flush(fbio);
2581 "Didn't find STARTTLS in server response,"
2582 " trying anyway...\n");
2583 BIO_printf(sbio, "STARTTLS\r\n");
2584 mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ);
2586 BIO_printf(bio_err, "BIO_read failed\n");
2589 mbuf[mbuf_len] = '\0';
2590 if (strstr(mbuf, "382") == NULL) {
2591 BIO_printf(bio_err, "STARTTLS failed: %s", mbuf);
2599 BIO *fbio = BIO_new(BIO_f_buffer());
2601 BIO_push(fbio, sbio);
2602 /* wait for multi-line response to end from Sieve */
2604 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2606 * According to RFC 5804 § 1.7, capability
2607 * is case-insensitive, make it uppercase
2609 if (mbuf_len > 1 && mbuf[0] == '"') {
2610 make_uppercase(mbuf);
2611 if (strncmp(mbuf, "\"STARTTLS\"", 10) == 0)
2614 } while (mbuf_len > 1 && mbuf[0] == '"');
2615 (void)BIO_flush(fbio);
2620 "Didn't find STARTTLS in server response,"
2621 " trying anyway...\n");
2622 BIO_printf(sbio, "STARTTLS\r\n");
2623 mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ);
2625 BIO_printf(bio_err, "BIO_read failed\n");
2628 mbuf[mbuf_len] = '\0';
2630 BIO_printf(bio_err, "STARTTLS failed: %s", mbuf);
2634 * According to RFC 5804 § 2.2, response codes are case-
2635 * insensitive, make it uppercase but preserve the response.
2637 strncpy(sbuf, mbuf, 2);
2638 make_uppercase(sbuf);
2639 if (strncmp(sbuf, "OK", 2) != 0) {
2640 BIO_printf(bio_err, "STARTTLS not supported: %s", mbuf);
2647 /* StartTLS Operation according to RFC 4511 */
2648 static char ldap_tls_genconf[] = "asn1=SEQUENCE:LDAPMessage\n"
2650 "messageID=INTEGER:1\n"
2651 "extendedReq=EXPLICIT:23A,IMPLICIT:0C,"
2652 "FORMAT:ASCII,OCT:1.3.6.1.4.1.1466.20037\n";
2654 char *genstr = NULL;
2656 ASN1_TYPE *atyp = NULL;
2657 BIO *ldapbio = BIO_new(BIO_s_mem());
2658 CONF *cnf = NCONF_new(NULL);
2664 BIO_puts(ldapbio, ldap_tls_genconf);
2665 if (NCONF_load_bio(cnf, ldapbio, &errline) <= 0) {
2669 BIO_printf(bio_err, "NCONF_load_bio failed\n");
2672 BIO_printf(bio_err, "Error on line %ld\n", errline);
2677 genstr = NCONF_get_string(cnf, "default", "asn1");
2678 if (genstr == NULL) {
2680 BIO_printf(bio_err, "NCONF_get_string failed\n");
2683 atyp = ASN1_generate_nconf(genstr, cnf);
2686 BIO_printf(bio_err, "ASN1_generate_nconf failed\n");
2691 /* Send SSLRequest packet */
2692 BIO_write(sbio, atyp->value.sequence->data,
2693 atyp->value.sequence->length);
2694 (void)BIO_flush(sbio);
2695 ASN1_TYPE_free(atyp);
2697 mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ);
2699 BIO_printf(bio_err, "BIO_read failed\n");
2702 result = ldap_ExtendedResponse_parse(mbuf, mbuf_len);
2704 BIO_printf(bio_err, "ldap_ExtendedResponse_parse failed\n");
2706 } else if (result > 0) {
2707 BIO_printf(bio_err, "STARTTLS failed, LDAP Result Code: %i\n",
2716 if (early_data_file != NULL
2717 && ((SSL_get0_session(con) != NULL
2718 && SSL_SESSION_get_max_early_data(SSL_get0_session(con)) > 0)
2720 && SSL_SESSION_get_max_early_data(psksess) > 0))) {
2721 BIO *edfile = BIO_new_file(early_data_file, "r");
2722 size_t readbytes, writtenbytes;
2725 if (edfile == NULL) {
2726 BIO_printf(bio_err, "Cannot open early data file\n");
2731 if (!BIO_read_ex(edfile, cbuf, BUFSIZZ, &readbytes))
2734 while (!SSL_write_early_data(con, cbuf, readbytes, &writtenbytes)) {
2735 switch (SSL_get_error(con, 0)) {
2736 case SSL_ERROR_WANT_WRITE:
2737 case SSL_ERROR_WANT_ASYNC:
2738 case SSL_ERROR_WANT_READ:
2739 /* Just keep trying - busy waiting */
2742 BIO_printf(bio_err, "Error writing early data\n");
2744 ERR_print_errors(bio_err);
2757 if (SSL_is_dtls(con) && DTLSv1_get_timeout(con, &timeout))
2758 timeoutp = &timeout;
2762 if (!SSL_is_init_finished(con) && SSL_total_renegotiations(con) == 0
2763 && SSL_get_key_update_type(con) == SSL_KEY_UPDATE_NONE) {
2772 BIO_puts(bio_err, "CONNECTION ESTABLISHED\n");
2773 print_ssl_summary(con);
2776 print_stuff(bio_c_out, con, full_log);
2780 if (starttls_proto) {
2781 BIO_write(bio_err, mbuf, mbuf_len);
2782 /* We don't need to know any more */
2784 starttls_proto = PROTO_OFF;
2789 BIO_printf(bio_c_out,
2790 "drop connection and then reconnect\n");
2791 do_ssl_shutdown(con);
2792 SSL_set_connect_state(con);
2793 BIO_closesocket(SSL_get_fd(con));
2799 ssl_pending = read_ssl && SSL_has_pending(con);
2802 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
2805 * Note that select() returns when read _would not block_,
2806 * and EOF satisfies that. To avoid a CPU-hogging loop,
2807 * set the flag so we exit.
2809 if (read_tty && !at_eof)
2810 openssl_fdset(fileno_stdin(), &readfds);
2811 #if !defined(OPENSSL_SYS_VMS)
2813 openssl_fdset(fileno_stdout(), &writefds);
2817 openssl_fdset(SSL_get_fd(con), &readfds);
2819 openssl_fdset(SSL_get_fd(con), &writefds);
2821 if (!tty_on || !write_tty) {
2823 openssl_fdset(SSL_get_fd(con), &readfds);
2825 openssl_fdset(SSL_get_fd(con), &writefds);
2830 * Note: under VMS with SOCKETSHR the second parameter is
2831 * currently of type (int *) whereas under other systems it is
2832 * (void *) if you don't have a cast it will choke the compiler:
2833 * if you do have a cast then you can either go for (int *) or
2836 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2838 * Under Windows/DOS we make the assumption that we can always
2839 * write to the tty: therefore if we need to write to the tty we
2840 * just fall through. Otherwise we timeout the select every
2841 * second and see if there are any keypresses. Note: this is a
2842 * hack, in a proper Windows application we wouldn't do this.
2849 i = select(width, (void *)&readfds, (void *)&writefds,
2851 if (!i && (!has_stdin_waiting() || !read_tty))
2854 i = select(width, (void *)&readfds, (void *)&writefds,
2858 i = select(width, (void *)&readfds, (void *)&writefds,
2862 BIO_printf(bio_err, "bad select %d\n",
2863 get_last_socket_error());
2868 if (SSL_is_dtls(con) && DTLSv1_handle_timeout(con) > 0)
2869 BIO_printf(bio_err, "TIMEOUT occurred\n");
2871 if (!ssl_pending && FD_ISSET(SSL_get_fd(con), &writefds)) {
2872 k = SSL_write(con, &(cbuf[cbuf_off]), (unsigned int)cbuf_len);
2873 switch (SSL_get_error(con, k)) {
2874 case SSL_ERROR_NONE:
2879 /* we have done a write(con,NULL,0); */
2880 if (cbuf_len <= 0) {
2883 } else { /* if (cbuf_len > 0) */
2889 case SSL_ERROR_WANT_WRITE:
2890 BIO_printf(bio_c_out, "write W BLOCK\n");
2894 case SSL_ERROR_WANT_ASYNC:
2895 BIO_printf(bio_c_out, "write A BLOCK\n");
2896 wait_for_async(con);
2900 case SSL_ERROR_WANT_READ:
2901 BIO_printf(bio_c_out, "write R BLOCK\n");
2906 case SSL_ERROR_WANT_X509_LOOKUP:
2907 BIO_printf(bio_c_out, "write X BLOCK\n");
2909 case SSL_ERROR_ZERO_RETURN:
2910 if (cbuf_len != 0) {
2911 BIO_printf(bio_c_out, "shutdown\n");
2920 case SSL_ERROR_SYSCALL:
2921 if ((k != 0) || (cbuf_len != 0)) {
2922 BIO_printf(bio_err, "write:errno=%d\n",
2923 get_last_socket_error());
2930 case SSL_ERROR_WANT_ASYNC_JOB:
2931 /* This shouldn't ever happen in s_client - treat as an error */
2933 ERR_print_errors(bio_err);
2937 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_VMS)
2938 /* Assume Windows/DOS/BeOS can always write */
2939 else if (!ssl_pending && write_tty)
2941 else if (!ssl_pending && FD_ISSET(fileno_stdout(), &writefds))
2944 #ifdef CHARSET_EBCDIC
2945 ascii2ebcdic(&(sbuf[sbuf_off]), &(sbuf[sbuf_off]), sbuf_len);
2947 i = raw_write_stdout(&(sbuf[sbuf_off]), sbuf_len);
2950 BIO_printf(bio_c_out, "DONE\n");
2957 if (sbuf_len <= 0) {
2961 } else if (ssl_pending || FD_ISSET(SSL_get_fd(con), &readfds)) {
2966 SSL_renegotiate(con);
2971 k = SSL_read(con, sbuf, 1024 /* BUFSIZZ */ );
2973 switch (SSL_get_error(con, k)) {
2974 case SSL_ERROR_NONE:
2983 case SSL_ERROR_WANT_ASYNC:
2984 BIO_printf(bio_c_out, "read A BLOCK\n");
2985 wait_for_async(con);
2988 if ((read_tty == 0) && (write_ssl == 0))
2991 case SSL_ERROR_WANT_WRITE:
2992 BIO_printf(bio_c_out, "read W BLOCK\n");
2996 case SSL_ERROR_WANT_READ:
2997 BIO_printf(bio_c_out, "read R BLOCK\n");
3000 if ((read_tty == 0) && (write_ssl == 0))
3003 case SSL_ERROR_WANT_X509_LOOKUP:
3004 BIO_printf(bio_c_out, "read X BLOCK\n");
3006 case SSL_ERROR_SYSCALL:
3007 ret = get_last_socket_error();
3009 BIO_puts(bio_err, "CONNECTION CLOSED BY SERVER\n");
3011 BIO_printf(bio_err, "read:errno=%d\n", ret);
3013 case SSL_ERROR_ZERO_RETURN:
3014 BIO_printf(bio_c_out, "closed\n");
3017 case SSL_ERROR_WANT_ASYNC_JOB:
3018 /* This shouldn't ever happen in s_client. Treat as an error */
3020 ERR_print_errors(bio_err);
3024 /* OPENSSL_SYS_MSDOS includes OPENSSL_SYS_WINDOWS */
3025 #if defined(OPENSSL_SYS_MSDOS)
3026 else if (has_stdin_waiting())
3028 else if (FD_ISSET(fileno_stdin(), &readfds))
3034 i = raw_read_stdin(cbuf, BUFSIZZ / 2);
3036 /* both loops are skipped when i <= 0 */
3037 for (j = 0; j < i; j++)
3038 if (cbuf[j] == '\n')
3040 for (j = i - 1; j >= 0; j--) {
3041 cbuf[j + lf_num] = cbuf[j];
3042 if (cbuf[j] == '\n') {
3045 cbuf[j + lf_num] = '\r';
3048 assert(lf_num == 0);
3050 i = raw_read_stdin(cbuf, BUFSIZZ);
3051 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
3056 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q' && cmdletters))) {
3057 BIO_printf(bio_err, "DONE\n");
3062 if ((!c_ign_eof) && (cbuf[0] == 'R' && cmdletters)) {
3063 BIO_printf(bio_err, "RENEGOTIATING\n");
3064 SSL_renegotiate(con);
3066 } else if (!c_ign_eof && (cbuf[0] == 'K' || cbuf[0] == 'k' )
3068 BIO_printf(bio_err, "KEYUPDATE\n");
3070 cbuf[0] == 'K' ? SSL_KEY_UPDATE_REQUESTED
3071 : SSL_KEY_UPDATE_NOT_REQUESTED);
3076 #ifdef CHARSET_EBCDIC
3077 ebcdic2ascii(cbuf, cbuf, i);
3089 print_stuff(bio_c_out, con, full_log);
3090 do_ssl_shutdown(con);
3093 * If we ended with an alert being sent, but still with data in the
3094 * network buffer to be read, then calling BIO_closesocket() will
3095 * result in a TCP-RST being sent. On some platforms (notably
3096 * Windows) then this will result in the peer immediately abandoning
3097 * the connection including any buffered alert data before it has
3098 * had a chance to be read. Shutting down the sending side first,
3099 * and then closing the socket sends TCP-FIN first followed by
3100 * TCP-RST. This seems to allow the peer to read the alert data.
3102 shutdown(SSL_get_fd(con), 1); /* SHUT_WR */
3104 * We just said we have nothing else to say, but it doesn't mean that
3105 * the other side has nothing. It's even recommended to consume incoming
3106 * data. [In testing context this ensures that alerts are passed on...]
3109 timeout.tv_usec = 500000; /* some extreme round-trip */
3112 openssl_fdset(sock, &readfds);
3113 } while (select(sock + 1, &readfds, NULL, NULL, &timeout) > 0
3114 && BIO_read(sbio, sbuf, BUFSIZZ) > 0);
3116 BIO_closesocket(SSL_get_fd(con));
3120 print_stuff(bio_c_out, con, 1);
3123 SSL_SESSION_free(psksess);
3124 #if !defined(OPENSSL_NO_NEXTPROTONEG)
3125 OPENSSL_free(next_proto.data);
3128 set_keylog_file(NULL, NULL);
3130 sk_X509_CRL_pop_free(crls, X509_CRL_free);
3132 sk_X509_pop_free(chain, X509_free);
3134 #ifndef OPENSSL_NO_SRP
3135 OPENSSL_free(srp_arg.srppassin);
3137 OPENSSL_free(connectstr);
3138 OPENSSL_free(bindstr);
3141 X509_VERIFY_PARAM_free(vpm);
3142 ssl_excert_free(exc);
3143 sk_OPENSSL_STRING_free(ssl_args);
3144 sk_OPENSSL_STRING_free(dane_tlsa_rrset);
3145 SSL_CONF_CTX_free(cctx);
3146 OPENSSL_clear_free(cbuf, BUFSIZZ);
3147 OPENSSL_clear_free(sbuf, BUFSIZZ);
3148 OPENSSL_clear_free(mbuf, BUFSIZZ);
3149 clear_free(proxypass);
3151 BIO_free(bio_c_out);
3153 BIO_free(bio_c_msg);
3158 static void print_stuff(BIO *bio, SSL *s, int full)
3162 const SSL_CIPHER *c;
3163 EVP_PKEY *public_key;
3164 int i, istls13 = (SSL_version(s) == TLS1_3_VERSION);
3166 #ifndef OPENSSL_NO_COMP
3167 const COMP_METHOD *comp, *expansion;
3169 unsigned char *exportedkeymat;
3170 #ifndef OPENSSL_NO_CT
3171 const SSL_CTX *ctx = SSL_get_SSL_CTX(s);
3175 int got_a_chain = 0;
3177 sk = SSL_get_peer_cert_chain(s);
3181 BIO_printf(bio, "---\nCertificate chain\n");
3182 for (i = 0; i < sk_X509_num(sk); i++) {
3183 BIO_printf(bio, "%2d s:", i);
3184 X509_NAME_print_ex(bio, X509_get_subject_name(sk_X509_value(sk, i)), 0, get_nameopt());
3185 BIO_puts(bio, "\n");
3186 BIO_printf(bio, " i:");
3187 X509_NAME_print_ex(bio, X509_get_issuer_name(sk_X509_value(sk, i)), 0, get_nameopt());
3188 BIO_puts(bio, "\n");
3189 public_key = X509_get_pubkey(sk_X509_value(sk, i));
3190 if (public_key != NULL) {
3191 BIO_printf(bio, " a:PKEY: %s, %d (bit); sigalg: %s\n",
3192 OBJ_nid2sn(EVP_PKEY_base_id(public_key)),
3193 EVP_PKEY_bits(public_key),
3194 OBJ_nid2sn(X509_get_signature_nid(sk_X509_value(sk, i))));
3195 EVP_PKEY_free(public_key);
3197 BIO_printf(bio, " v:NotBefore: ");
3198 ASN1_TIME_print(bio, X509_get0_notBefore(sk_X509_value(sk, i)));
3199 BIO_printf(bio, "; NotAfter: ");
3200 ASN1_TIME_print(bio, X509_get0_notAfter(sk_X509_value(sk, i)));
3201 BIO_puts(bio, "\n");
3203 PEM_write_bio_X509(bio, sk_X509_value(sk, i));
3207 BIO_printf(bio, "---\n");
3208 peer = SSL_get_peer_certificate(s);
3210 BIO_printf(bio, "Server certificate\n");
3212 /* Redundant if we showed the whole chain */
3213 if (!(c_showcerts && got_a_chain))
3214 PEM_write_bio_X509(bio, peer);
3215 dump_cert_text(bio, peer);
3217 BIO_printf(bio, "no peer certificate available\n");
3219 print_ca_names(bio, s);
3221 ssl_print_sigalgs(bio, s);
3222 ssl_print_tmp_key(bio, s);
3224 #ifndef OPENSSL_NO_CT
3226 * When the SSL session is anonymous, or resumed via an abbreviated
3227 * handshake, no SCTs are provided as part of the handshake. While in
3228 * a resumed session SCTs may be present in the session's certificate,
3229 * no callbacks are invoked to revalidate these, and in any case that
3230 * set of SCTs may be incomplete. Thus it makes little sense to
3231 * attempt to display SCTs from a resumed session's certificate, and of
3232 * course none are associated with an anonymous peer.
3234 if (peer != NULL && !SSL_session_reused(s) && SSL_ct_is_enabled(s)) {
3235 const STACK_OF(SCT) *scts = SSL_get0_peer_scts(s);
3236 int sct_count = scts != NULL ? sk_SCT_num(scts) : 0;
3238 BIO_printf(bio, "---\nSCTs present (%i)\n", sct_count);
3239 if (sct_count > 0) {
3240 const CTLOG_STORE *log_store = SSL_CTX_get0_ctlog_store(ctx);
3242 BIO_printf(bio, "---\n");
3243 for (i = 0; i < sct_count; ++i) {
3244 SCT *sct = sk_SCT_value(scts, i);
3246 BIO_printf(bio, "SCT validation status: %s\n",
3247 SCT_validation_status_string(sct));
3248 SCT_print(sct, bio, 0, log_store);
3249 if (i < sct_count - 1)
3250 BIO_printf(bio, "\n---\n");
3252 BIO_printf(bio, "\n");
3258 "---\nSSL handshake has read %ju bytes "
3259 "and written %ju bytes\n",
3260 BIO_number_read(SSL_get_rbio(s)),
3261 BIO_number_written(SSL_get_wbio(s)));
3263 print_verify_detail(s, bio);
3264 BIO_printf(bio, (SSL_session_reused(s) ? "---\nReused, " : "---\nNew, "));
3265 c = SSL_get_current_cipher(s);
3266 BIO_printf(bio, "%s, Cipher is %s\n",
3267 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
3271 pktmp = X509_get0_pubkey(peer);
3272 BIO_printf(bio, "Server public key is %d bit\n",
3273 EVP_PKEY_bits(pktmp));
3275 BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
3276 SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
3277 #ifndef OPENSSL_NO_COMP
3278 comp = SSL_get_current_compression(s);
3279 expansion = SSL_get_current_expansion(s);
3280 BIO_printf(bio, "Compression: %s\n",
3281 comp ? SSL_COMP_get_name(comp) : "NONE");
3282 BIO_printf(bio, "Expansion: %s\n",
3283 expansion ? SSL_COMP_get_name(expansion) : "NONE");
3285 #ifndef OPENSSL_NO_KTLS
3286 if (BIO_get_ktls_send(SSL_get_wbio(s)))
3287 BIO_printf(bio_err, "Using Kernel TLS for sending\n");
3288 if (BIO_get_ktls_recv(SSL_get_rbio(s)))
3289 BIO_printf(bio_err, "Using Kernel TLS for receiving\n");
3292 if (OSSL_TRACE_ENABLED(TLS)) {
3293 /* Print out local port of connection: useful for debugging */
3295 union BIO_sock_info_u info;
3297 sock = SSL_get_fd(s);
3298 if ((info.addr = BIO_ADDR_new()) != NULL
3299 && BIO_sock_info(sock, BIO_SOCK_INFO_ADDRESS, &info)) {
3300 BIO_printf(bio_c_out, "LOCAL PORT is %u\n",
3301 ntohs(BIO_ADDR_rawport(info.addr)));
3303 BIO_ADDR_free(info.addr);
3306 #if !defined(OPENSSL_NO_NEXTPROTONEG)
3307 if (next_proto.status != -1) {
3308 const unsigned char *proto;
3309 unsigned int proto_len;
3310 SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
3311 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
3312 BIO_write(bio, proto, proto_len);
3313 BIO_write(bio, "\n", 1);
3317 const unsigned char *proto;
3318 unsigned int proto_len;
3319 SSL_get0_alpn_selected(s, &proto, &proto_len);
3320 if (proto_len > 0) {
3321 BIO_printf(bio, "ALPN protocol: ");
3322 BIO_write(bio, proto, proto_len);
3323 BIO_write(bio, "\n", 1);
3325 BIO_printf(bio, "No ALPN negotiated\n");
3328 #ifndef OPENSSL_NO_SRTP
3330 SRTP_PROTECTION_PROFILE *srtp_profile =
3331 SSL_get_selected_srtp_profile(s);
3334 BIO_printf(bio, "SRTP Extension negotiated, profile=%s\n",
3335 srtp_profile->name);
3340 switch (SSL_get_early_data_status(s)) {
3341 case SSL_EARLY_DATA_NOT_SENT:
3342 BIO_printf(bio, "Early data was not sent\n");
3345 case SSL_EARLY_DATA_REJECTED:
3346 BIO_printf(bio, "Early data was rejected\n");
3349 case SSL_EARLY_DATA_ACCEPTED:
3350 BIO_printf(bio, "Early data was accepted\n");
3356 * We also print the verify results when we dump session information,
3357 * but in TLSv1.3 we may not get that right away (or at all) depending
3358 * on when we get a NewSessionTicket. Therefore we print it now as well.
3360 verify_result = SSL_get_verify_result(s);
3361 BIO_printf(bio, "Verify return code: %ld (%s)\n", verify_result,
3362 X509_verify_cert_error_string(verify_result));
3364 /* In TLSv1.3 we do this on arrival of a NewSessionTicket */
3365 SSL_SESSION_print(bio, SSL_get_session(s));
3368 if (SSL_get_session(s) != NULL && keymatexportlabel != NULL) {
3369 BIO_printf(bio, "Keying material exporter:\n");
3370 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel);
3371 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen);
3372 exportedkeymat = app_malloc(keymatexportlen, "export key");
3373 if (!SSL_export_keying_material(s, exportedkeymat,
3376 strlen(keymatexportlabel),
3378 BIO_printf(bio, " Error\n");
3380 BIO_printf(bio, " Keying material: ");
3381 for (i = 0; i < keymatexportlen; i++)
3382 BIO_printf(bio, "%02X", exportedkeymat[i]);
3383 BIO_printf(bio, "\n");
3385 OPENSSL_free(exportedkeymat);
3387 BIO_printf(bio, "---\n");
3389 /* flush, or debugging output gets mixed with http response */
3390 (void)BIO_flush(bio);
3393 # ifndef OPENSSL_NO_OCSP
3394 static int ocsp_resp_cb(SSL *s, void *arg)
3396 const unsigned char *p;
3399 len = SSL_get_tlsext_status_ocsp_resp(s, &p);
3400 BIO_puts(arg, "OCSP response: ");
3402 BIO_puts(arg, "no response sent\n");
3405 rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
3407 BIO_puts(arg, "response parse error\n");
3408 BIO_dump_indent(arg, (char *)p, len, 4);
3411 BIO_puts(arg, "\n======================================\n");
3412 OCSP_RESPONSE_print(arg, rsp, 0);
3413 BIO_puts(arg, "======================================\n");
3414 OCSP_RESPONSE_free(rsp);
3419 static int ldap_ExtendedResponse_parse(const char *buf, long rem)
3421 const unsigned char *cur, *end;
3423 int tag, xclass, inf, ret = -1;
3425 cur = (const unsigned char *)buf;
3431 * LDAPMessage ::= SEQUENCE {
3432 * messageID MessageID,
3433 * protocolOp CHOICE {
3435 * extendedResp ExtendedResponse,
3437 * controls [0] Controls OPTIONAL }
3439 * ExtendedResponse ::= [APPLICATION 24] SEQUENCE {
3440 * COMPONENTS OF LDAPResult,
3441 * responseName [10] LDAPOID OPTIONAL,
3442 * responseValue [11] OCTET STRING OPTIONAL }
3444 * LDAPResult ::= SEQUENCE {
3445 * resultCode ENUMERATED {
3451 * diagnosticMessage LDAPString,
3452 * referral [3] Referral OPTIONAL }
3456 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3457 if (inf != V_ASN1_CONSTRUCTED || tag != V_ASN1_SEQUENCE ||
3458 (rem = end - cur, len > rem)) {
3459 BIO_printf(bio_err, "Unexpected LDAP response\n");
3463 rem = len; /* ensure that we don't overstep the SEQUENCE */
3465 /* pull MessageID */
3466 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3467 if (inf != V_ASN1_UNIVERSAL || tag != V_ASN1_INTEGER ||
3468 (rem = end - cur, len > rem)) {
3469 BIO_printf(bio_err, "No MessageID\n");
3473 cur += len; /* shall we check for MessageId match or just skip? */
3475 /* pull [APPLICATION 24] */
3477 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3478 if (inf != V_ASN1_CONSTRUCTED || xclass != V_ASN1_APPLICATION ||
3480 BIO_printf(bio_err, "Not ExtendedResponse\n");
3484 /* pull resultCode */
3486 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3487 if (inf != V_ASN1_UNIVERSAL || tag != V_ASN1_ENUMERATED || len == 0 ||
3488 (rem = end - cur, len > rem)) {
3489 BIO_printf(bio_err, "Not LDAPResult\n");
3493 /* len should always be one, but just in case... */
3494 for (ret = 0, inf = 0; inf < len; inf++) {
3498 /* There is more data, but we don't care... */
3504 * Host dNS Name verifier: used for checking that the hostname is in dNS format
3505 * before setting it as SNI
3507 static int is_dNS_name(const char *host)
3509 const size_t MAX_LABEL_LENGTH = 63;
3512 size_t length = strlen(host);
3513 size_t label_length = 0;
3514 int all_numeric = 1;
3517 * Deviation from strict DNS name syntax, also check names with '_'
3518 * Check DNS name syntax, any '-' or '.' must be internal,
3519 * and on either side of each '.' we can't have a '-' or '.'.
3521 * If the name has just one label, we don't consider it a DNS name.
3523 for (i = 0; i < length && label_length < MAX_LABEL_LENGTH; ++i) {
3526 if ((c >= 'a' && c <= 'z')
3527 || (c >= 'A' && c <= 'Z')
3534 if (c >= '0' && c <= '9') {
3539 /* Dot and hyphen cannot be first or last. */
3540 if (i > 0 && i < length - 1) {
3546 * Next to a dot the preceding and following characters must not be
3547 * another dot or a hyphen. Otherwise, record that the name is
3548 * plausible, since it has two or more labels.
3551 && host[i + 1] != '.'
3552 && host[i - 1] != '-'
3553 && host[i + 1] != '-') {
3563 /* dNS name must not be all numeric and labels must be shorter than 64 characters. */
3564 isdnsname &= !all_numeric && !(label_length == MAX_LABEL_LENGTH);
3568 #endif /* OPENSSL_NO_SOCK */