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 *thost = NULL, *tport = NULL;
925 char *port = OPENSSL_strdup(PORT);
926 char *bindhost = NULL, *bindport = NULL;
927 char *passarg = NULL, *pass = NULL;
928 char *vfyCApath = NULL, *vfyCAfile = NULL, *vfyCAstore = NULL;
929 char *ReqCAfile = NULL;
930 char *sess_in = NULL, *crl_file = NULL, *p;
931 const char *protohost = NULL;
932 struct timeval timeout, *timeoutp;
933 fd_set readfds, writefds;
934 int noCApath = 0, noCAfile = 0, noCAstore = 0;
935 int build_chain = 0, cbuf_len, cbuf_off, cert_format = FORMAT_PEM;
936 int key_format = FORMAT_PEM, crlf = 0, full_log = 1, mbuf_len = 0;
939 int reconnect = 0, verify = SSL_VERIFY_NONE, vpmtouched = 0;
940 int ret = 1, in_init = 1, i, nbio_test = 0, sock = -1, k, width, state = 0;
941 int sbuf_len, sbuf_off, cmdletters = 1;
942 int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM, protocol = 0;
943 int starttls_proto = PROTO_OFF, crl_format = FORMAT_PEM, crl_download = 0;
944 int write_tty, read_tty, write_ssl, read_ssl, tty_on, ssl_pending;
945 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
948 int read_buf_len = 0;
949 int fallback_scsv = 0;
951 #ifndef OPENSSL_NO_DTLS
952 int enable_timeouts = 0;
955 #ifndef OPENSSL_NO_ENGINE
956 ENGINE *ssl_client_engine = NULL;
959 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
962 const char *servername = NULL;
963 int noservername = 0;
964 const char *alpn_in = NULL;
965 tlsextctx tlsextcbp = { NULL, 0 };
966 const char *ssl_config = NULL;
967 #define MAX_SI_TYPES 100
968 unsigned short serverinfo_types[MAX_SI_TYPES];
969 int serverinfo_count = 0, start = 0, len;
970 #ifndef OPENSSL_NO_NEXTPROTONEG
971 const char *next_proto_neg_in = NULL;
973 #ifndef OPENSSL_NO_SRP
974 char *srppass = NULL;
975 int srp_lateuser = 0;
976 SRP_ARG srp_arg = { NULL, NULL, 0, 0, 0, 1024 };
978 #ifndef OPENSSL_NO_SRTP
979 char *srtp_profiles = NULL;
981 #ifndef OPENSSL_NO_CT
982 char *ctlog_file = NULL;
983 int ct_validation = 0;
985 int min_version = 0, max_version = 0, prot_opt = 0, no_prot_opt = 0;
987 unsigned int max_send_fragment = 0;
988 unsigned int split_send_fragment = 0, max_pipelines = 0;
989 enum { use_inet, use_unix, use_unknown } connect_type = use_unknown;
991 uint8_t maxfraglen = 0;
992 int c_nbio = 0, c_msg = 0, c_ign_eof = 0, c_brief = 0;
993 int c_tlsextdebug = 0;
994 #ifndef OPENSSL_NO_OCSP
995 int c_status_req = 0;
997 BIO *bio_c_msg = NULL;
998 const char *keylog_file = NULL, *early_data_file = NULL;
999 #ifndef OPENSSL_NO_DTLS
1002 char *psksessf = NULL;
1004 #ifndef OPENSSL_NO_SCTP
1005 int sctp_label_bug = 0;
1007 int ignore_unexpected_eof = 0;
1011 /* Known false-positive of MemorySanitizer. */
1012 #if defined(__has_feature)
1013 # if __has_feature(memory_sanitizer)
1014 __msan_unpoison(&readfds, sizeof(readfds));
1015 __msan_unpoison(&writefds, sizeof(writefds));
1019 prog = opt_progname(argv[0]);
1024 vpm = X509_VERIFY_PARAM_new();
1025 cctx = SSL_CONF_CTX_new();
1027 if (vpm == NULL || cctx == NULL) {
1028 BIO_printf(bio_err, "%s: out of memory\n", prog);
1032 cbuf = app_malloc(BUFSIZZ, "cbuf");
1033 sbuf = app_malloc(BUFSIZZ, "sbuf");
1034 mbuf = app_malloc(BUFSIZZ, "mbuf");
1036 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT | SSL_CONF_FLAG_CMDLINE);
1038 prog = opt_init(argc, argv, s_client_options);
1039 while ((o = opt_next()) != OPT_EOF) {
1040 /* Check for intermixing flags. */
1041 if (connect_type == use_unix && IS_INET_FLAG(o)) {
1043 "%s: Intermixed protocol flags (unix and internet domains)\n",
1047 if (connect_type == use_inet && IS_UNIX_FLAG(o)) {
1049 "%s: Intermixed protocol flags (internet and unix domains)\n",
1054 if (IS_PROT_FLAG(o) && ++prot_opt > 1) {
1055 BIO_printf(bio_err, "Cannot supply multiple protocol flags\n");
1058 if (IS_NO_PROT_FLAG(o))
1060 if (prot_opt == 1 && no_prot_opt) {
1062 "Cannot supply both a protocol flag and '-no_<prot>'\n");
1070 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
1073 opt_help(s_client_options);
1077 connect_type = use_inet;
1078 socket_family = AF_INET;
1083 connect_type = use_inet;
1084 socket_family = AF_INET6;
1089 connect_type = use_inet;
1090 freeandcopy(&host, opt_arg());
1093 connect_type = use_inet;
1094 freeandcopy(&port, opt_arg());
1097 connect_type = use_inet;
1098 freeandcopy(&connectstr, opt_arg());
1101 freeandcopy(&bindstr, opt_arg());
1104 proxystr = opt_arg();
1105 starttls_proto = PROTO_CONNECT;
1107 case OPT_PROXY_USER:
1108 proxyuser = opt_arg();
1110 case OPT_PROXY_PASS:
1111 proxypassarg = opt_arg();
1115 connect_type = use_unix;
1116 socket_family = AF_UNIX;
1117 freeandcopy(&host, opt_arg());
1121 /* fall through, since this is an alias */
1123 protohost = opt_arg();
1126 verify = SSL_VERIFY_PEER;
1127 verify_args.depth = atoi(opt_arg());
1129 BIO_printf(bio_err, "verify depth is %d\n", verify_args.depth);
1132 cert_file = opt_arg();
1135 if (!set_nameopt(opt_arg()))
1139 crl_file = opt_arg();
1141 case OPT_CRL_DOWNLOAD:
1145 sess_out = opt_arg();
1148 sess_in = opt_arg();
1151 if (!opt_format(opt_arg(), OPT_FMT_ANY, &cert_format))
1155 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
1158 case OPT_VERIFY_RET_ERROR:
1159 verify = SSL_VERIFY_PEER;
1160 verify_args.return_error = 1;
1162 case OPT_VERIFY_QUIET:
1163 verify_args.quiet = 1;
1166 c_brief = verify_args.quiet = c_quiet = 1;
1169 if (ssl_args == NULL)
1170 ssl_args = sk_OPENSSL_STRING_new_null();
1171 if (ssl_args == NULL
1172 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
1173 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
1174 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1179 if (!opt_verify(o, vpm))
1184 if (!args_excert(o, &exc))
1187 case OPT_IGNORE_UNEXPECTED_EOF:
1188 ignore_unexpected_eof = 1;
1197 c_quiet = c_ign_eof = 1;
1206 e = setup_engine(opt_arg(), 1);
1208 case OPT_SSL_CLIENT_ENGINE:
1209 #ifndef OPENSSL_NO_ENGINE
1210 ssl_client_engine = ENGINE_by_id(opt_arg());
1211 if (ssl_client_engine == NULL) {
1212 BIO_printf(bio_err, "Error getting client auth engine\n");
1221 case OPT_PROV_CASES:
1222 if (!opt_provider(o))
1228 case OPT_NO_IGN_EOF:
1234 case OPT_TLSEXTDEBUG:
1238 #ifndef OPENSSL_NO_OCSP
1251 bio_c_msg = BIO_new_file(opt_arg(), "w");
1254 #ifndef OPENSSL_NO_SSL_TRACE
1258 case OPT_SECURITY_DEBUG:
1261 case OPT_SECURITY_DEBUG_VERBOSE:
1273 case OPT_PSK_IDENTITY:
1274 psk_identity = opt_arg();
1277 for (p = psk_key = opt_arg(); *p; p++) {
1278 if (isxdigit(_UC(*p)))
1280 BIO_printf(bio_err, "Not a hex number '%s'\n", psk_key);
1285 psksessf = opt_arg();
1287 #ifndef OPENSSL_NO_SRP
1289 srp_arg.srplogin = opt_arg();
1290 if (min_version < TLS1_VERSION)
1291 min_version = TLS1_VERSION;
1294 srppass = opt_arg();
1295 if (min_version < TLS1_VERSION)
1296 min_version = TLS1_VERSION;
1298 case OPT_SRP_STRENGTH:
1299 srp_arg.strength = atoi(opt_arg());
1300 BIO_printf(bio_err, "SRP minimal length for N is %d\n",
1302 if (min_version < TLS1_VERSION)
1303 min_version = TLS1_VERSION;
1305 case OPT_SRP_LATEUSER:
1307 if (min_version < TLS1_VERSION)
1308 min_version = TLS1_VERSION;
1310 case OPT_SRP_MOREGROUPS:
1312 if (min_version < TLS1_VERSION)
1313 min_version = TLS1_VERSION;
1316 case OPT_SSL_CONFIG:
1317 ssl_config = opt_arg();
1320 min_version = SSL3_VERSION;
1321 max_version = SSL3_VERSION;
1324 min_version = TLS1_3_VERSION;
1325 max_version = TLS1_3_VERSION;
1328 min_version = TLS1_2_VERSION;
1329 max_version = TLS1_2_VERSION;
1332 min_version = TLS1_1_VERSION;
1333 max_version = TLS1_1_VERSION;
1336 min_version = TLS1_VERSION;
1337 max_version = TLS1_VERSION;
1340 #ifndef OPENSSL_NO_DTLS
1341 meth = DTLS_client_method();
1342 socket_type = SOCK_DGRAM;
1347 #ifndef OPENSSL_NO_DTLS1
1348 meth = DTLS_client_method();
1349 min_version = DTLS1_VERSION;
1350 max_version = DTLS1_VERSION;
1351 socket_type = SOCK_DGRAM;
1356 #ifndef OPENSSL_NO_DTLS1_2
1357 meth = DTLS_client_method();
1358 min_version = DTLS1_2_VERSION;
1359 max_version = DTLS1_2_VERSION;
1360 socket_type = SOCK_DGRAM;
1365 #ifndef OPENSSL_NO_SCTP
1366 protocol = IPPROTO_SCTP;
1369 case OPT_SCTP_LABEL_BUG:
1370 #ifndef OPENSSL_NO_SCTP
1375 #ifndef OPENSSL_NO_DTLS
1376 enable_timeouts = 1;
1380 #ifndef OPENSSL_NO_DTLS
1381 socket_mtu = atol(opt_arg());
1384 case OPT_FALLBACKSCSV:
1388 if (!opt_format(opt_arg(), OPT_FMT_ANY, &key_format))
1392 passarg = opt_arg();
1394 case OPT_CERT_CHAIN:
1395 chain_file = opt_arg();
1398 key_file = opt_arg();
1409 case OPT_CHAINCAPATH:
1410 chCApath = opt_arg();
1412 case OPT_VERIFYCAPATH:
1413 vfyCApath = opt_arg();
1415 case OPT_BUILD_CHAIN:
1419 ReqCAfile = opt_arg();
1427 #ifndef OPENSSL_NO_CT
1434 case OPT_CTLOG_FILE:
1435 ctlog_file = opt_arg();
1438 case OPT_CHAINCAFILE:
1439 chCAfile = opt_arg();
1441 case OPT_VERIFYCAFILE:
1442 vfyCAfile = opt_arg();
1445 CAstore = opt_arg();
1450 case OPT_CHAINCASTORE:
1451 chCAstore = opt_arg();
1453 case OPT_VERIFYCASTORE:
1454 vfyCAstore = opt_arg();
1456 case OPT_DANE_TLSA_DOMAIN:
1457 dane_tlsa_domain = opt_arg();
1459 case OPT_DANE_TLSA_RRDATA:
1460 if (dane_tlsa_rrset == NULL)
1461 dane_tlsa_rrset = sk_OPENSSL_STRING_new_null();
1462 if (dane_tlsa_rrset == NULL ||
1463 !sk_OPENSSL_STRING_push(dane_tlsa_rrset, opt_arg())) {
1464 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1468 case OPT_DANE_EE_NO_NAME:
1469 dane_ee_no_name = 1;
1471 case OPT_NEXTPROTONEG:
1472 #ifndef OPENSSL_NO_NEXTPROTONEG
1473 next_proto_neg_in = opt_arg();
1477 alpn_in = opt_arg();
1479 case OPT_SERVERINFO:
1482 for (start = 0, i = 0; i <= len; ++i) {
1483 if (i == len || p[i] == ',') {
1484 serverinfo_types[serverinfo_count] = atoi(p + start);
1485 if (++serverinfo_count == MAX_SI_TYPES)
1492 if (!opt_pair(opt_arg(), services, &starttls_proto))
1495 case OPT_SERVERNAME:
1496 servername = opt_arg();
1498 case OPT_NOSERVERNAME:
1502 #ifndef OPENSSL_NO_SRTP
1503 srtp_profiles = opt_arg();
1506 case OPT_KEYMATEXPORT:
1507 keymatexportlabel = opt_arg();
1509 case OPT_KEYMATEXPORTLEN:
1510 keymatexportlen = atoi(opt_arg());
1515 case OPT_MAXFRAGLEN:
1516 len = atoi(opt_arg());
1519 maxfraglen = TLSEXT_max_fragment_length_512;
1522 maxfraglen = TLSEXT_max_fragment_length_1024;
1525 maxfraglen = TLSEXT_max_fragment_length_2048;
1528 maxfraglen = TLSEXT_max_fragment_length_4096;
1532 "%s: Max Fragment Len %u is out of permitted values",
1537 case OPT_MAX_SEND_FRAG:
1538 max_send_fragment = atoi(opt_arg());
1540 case OPT_SPLIT_SEND_FRAG:
1541 split_send_fragment = atoi(opt_arg());
1543 case OPT_MAX_PIPELINES:
1544 max_pipelines = atoi(opt_arg());
1547 read_buf_len = atoi(opt_arg());
1549 case OPT_KEYLOG_FILE:
1550 keylog_file = opt_arg();
1552 case OPT_EARLY_DATA:
1553 early_data_file = opt_arg();
1555 case OPT_ENABLE_PHA:
1561 if (count4or6 >= 2) {
1562 BIO_printf(bio_err, "%s: Can't use both -4 and -6\n", prog);
1566 if (servername != NULL) {
1568 "%s: Can't use -servername and -noservername together\n",
1572 if (dane_tlsa_domain != NULL) {
1574 "%s: Can't use -dane_tlsa_domain and -noservername together\n",
1579 argc = opt_num_rest();
1581 /* If there's a positional argument, it's the equivalent of
1583 * Don't allow -connect and a separate argument.
1585 if (connectstr != NULL) {
1587 "%s: must not provide both -connect option and target parameter\n",
1591 connect_type = use_inet;
1592 freeandcopy(&connectstr, *opt_rest());
1593 } else if (argc != 0) {
1597 #ifndef OPENSSL_NO_NEXTPROTONEG
1598 if (min_version == TLS1_3_VERSION && next_proto_neg_in != NULL) {
1599 BIO_printf(bio_err, "Cannot supply -nextprotoneg with TLSv1.3\n");
1604 if (connectstr != NULL) {
1606 char *tmp_host = host, *tmp_port = port;
1608 res = BIO_parse_hostserv(connectstr, &host, &port, BIO_PARSE_PRIO_HOST);
1609 if (tmp_host != host)
1610 OPENSSL_free(tmp_host);
1611 if (tmp_port != port)
1612 OPENSSL_free(tmp_port);
1615 "%s: -connect argument or target parameter malformed or ambiguous\n",
1621 if (proxystr != NULL) {
1623 char *tmp_host = host, *tmp_port = port;
1625 if (host == NULL || port == NULL) {
1626 BIO_printf(bio_err, "%s: -proxy requires use of -connect or target parameter\n", prog);
1630 /* Retain the original target host:port for use in the HTTP proxy connect string */
1631 thost = OPENSSL_strdup(host);
1632 tport = OPENSSL_strdup(port);
1633 if (thost == NULL || tport == NULL) {
1634 BIO_printf(bio_err, "%s: out of memory\n", prog);
1638 res = BIO_parse_hostserv(proxystr, &host, &port, BIO_PARSE_PRIO_HOST);
1639 if (tmp_host != host)
1640 OPENSSL_free(tmp_host);
1641 if (tmp_port != port)
1642 OPENSSL_free(tmp_port);
1645 "%s: -proxy argument malformed or ambiguous\n", prog);
1650 if (bindstr != NULL) {
1652 res = BIO_parse_hostserv(bindstr, &bindhost, &bindport,
1653 BIO_PARSE_PRIO_HOST);
1656 "%s: -bind argument parameter malformed or ambiguous\n",
1663 if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) {
1665 "Can't use unix sockets and datagrams together\n");
1670 #ifndef OPENSSL_NO_SCTP
1671 if (protocol == IPPROTO_SCTP) {
1672 if (socket_type != SOCK_DGRAM) {
1673 BIO_printf(bio_err, "Can't use -sctp without DTLS\n");
1676 /* SCTP is unusual. It uses DTLS over a SOCK_STREAM protocol */
1677 socket_type = SOCK_STREAM;
1681 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1682 next_proto.status = -1;
1683 if (next_proto_neg_in) {
1685 next_protos_parse(&next_proto.len, next_proto_neg_in);
1686 if (next_proto.data == NULL) {
1687 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n");
1691 next_proto.data = NULL;
1694 if (!app_passwd(passarg, NULL, &pass, NULL)) {
1695 BIO_printf(bio_err, "Error getting private key password\n");
1699 if (!app_passwd(proxypassarg, NULL, &proxypass, NULL)) {
1700 BIO_printf(bio_err, "Error getting proxy password\n");
1704 if (proxypass != NULL && proxyuser == NULL) {
1705 BIO_printf(bio_err, "Error: Must specify proxy_user with proxy_pass\n");
1709 if (key_file == NULL)
1710 key_file = cert_file;
1712 if (key_file != NULL) {
1713 key = load_key(key_file, key_format, 0, pass, e,
1714 "client certificate private key file");
1719 if (cert_file != NULL) {
1720 cert = load_cert(cert_file, cert_format, "client certificate file");
1725 if (chain_file != NULL) {
1726 if (!load_certs(chain_file, &chain, FORMAT_PEM, NULL,
1727 "client certificate chain"))
1731 if (crl_file != NULL) {
1733 crl = load_crl(crl_file, crl_format, "CRL");
1736 crls = sk_X509_CRL_new_null();
1737 if (crls == NULL || !sk_X509_CRL_push(crls, crl)) {
1738 BIO_puts(bio_err, "Error adding CRL\n");
1739 ERR_print_errors(bio_err);
1745 if (!load_excert(&exc))
1748 if (bio_c_out == NULL) {
1749 if (c_quiet && !c_debug) {
1750 bio_c_out = BIO_new(BIO_s_null());
1751 if (c_msg && bio_c_msg == NULL)
1752 bio_c_msg = dup_bio_out(FORMAT_TEXT);
1753 } else if (bio_c_out == NULL)
1754 bio_c_out = dup_bio_out(FORMAT_TEXT);
1756 #ifndef OPENSSL_NO_SRP
1757 if (!app_passwd(srppass, NULL, &srp_arg.srppassin, NULL)) {
1758 BIO_printf(bio_err, "Error getting password\n");
1763 ctx = SSL_CTX_new(meth);
1765 ERR_print_errors(bio_err);
1769 SSL_CTX_clear_mode(ctx, SSL_MODE_AUTO_RETRY);
1772 ssl_ctx_security_debug(ctx, sdebug);
1774 if (!config_ctx(cctx, ssl_args, ctx))
1777 if (ssl_config != NULL) {
1778 if (SSL_CTX_config(ctx, ssl_config) == 0) {
1779 BIO_printf(bio_err, "Error using configuration \"%s\"\n",
1781 ERR_print_errors(bio_err);
1786 #ifndef OPENSSL_NO_SCTP
1787 if (protocol == IPPROTO_SCTP && sctp_label_bug == 1)
1788 SSL_CTX_set_mode(ctx, SSL_MODE_DTLS_SCTP_LABEL_LENGTH_BUG);
1791 if (min_version != 0
1792 && SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
1794 if (max_version != 0
1795 && SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
1798 if (ignore_unexpected_eof)
1799 SSL_CTX_set_options(ctx, SSL_OP_IGNORE_UNEXPECTED_EOF);
1801 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
1802 BIO_printf(bio_err, "Error setting verify params\n");
1803 ERR_print_errors(bio_err);
1808 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
1811 if (max_send_fragment > 0
1812 && !SSL_CTX_set_max_send_fragment(ctx, max_send_fragment)) {
1813 BIO_printf(bio_err, "%s: Max send fragment size %u is out of permitted range\n",
1814 prog, max_send_fragment);
1818 if (split_send_fragment > 0
1819 && !SSL_CTX_set_split_send_fragment(ctx, split_send_fragment)) {
1820 BIO_printf(bio_err, "%s: Split send fragment size %u is out of permitted range\n",
1821 prog, split_send_fragment);
1825 if (max_pipelines > 0
1826 && !SSL_CTX_set_max_pipelines(ctx, max_pipelines)) {
1827 BIO_printf(bio_err, "%s: Max pipelines %u is out of permitted range\n",
1828 prog, max_pipelines);
1832 if (read_buf_len > 0) {
1833 SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len);
1837 && !SSL_CTX_set_tlsext_max_fragment_length(ctx, maxfraglen)) {
1839 "%s: Max Fragment Length code %u is out of permitted values"
1840 "\n", prog, maxfraglen);
1844 if (!ssl_load_stores(ctx,
1845 vfyCApath, vfyCAfile, vfyCAstore,
1846 chCApath, chCAfile, chCAstore,
1847 crls, crl_download)) {
1848 BIO_printf(bio_err, "Error loading store locations\n");
1849 ERR_print_errors(bio_err);
1852 if (ReqCAfile != NULL) {
1853 STACK_OF(X509_NAME) *nm = sk_X509_NAME_new_null();
1855 if (nm == NULL || !SSL_add_file_cert_subjects_to_stack(nm, ReqCAfile)) {
1856 sk_X509_NAME_pop_free(nm, X509_NAME_free);
1857 BIO_printf(bio_err, "Error loading CA names\n");
1858 ERR_print_errors(bio_err);
1861 SSL_CTX_set0_CA_list(ctx, nm);
1863 #ifndef OPENSSL_NO_ENGINE
1864 if (ssl_client_engine) {
1865 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine)) {
1866 BIO_puts(bio_err, "Error setting client auth engine\n");
1867 ERR_print_errors(bio_err);
1868 ENGINE_free(ssl_client_engine);
1871 ENGINE_free(ssl_client_engine);
1875 #ifndef OPENSSL_NO_PSK
1876 if (psk_key != NULL) {
1878 BIO_printf(bio_c_out, "PSK key given, setting client callback\n");
1879 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
1882 if (psksessf != NULL) {
1883 BIO *stmp = BIO_new_file(psksessf, "r");
1886 BIO_printf(bio_err, "Can't open PSK session file %s\n", psksessf);
1887 ERR_print_errors(bio_err);
1890 psksess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1892 if (psksess == NULL) {
1893 BIO_printf(bio_err, "Can't read PSK session file %s\n", psksessf);
1894 ERR_print_errors(bio_err);
1898 if (psk_key != NULL || psksess != NULL)
1899 SSL_CTX_set_psk_use_session_callback(ctx, psk_use_session_cb);
1901 #ifndef OPENSSL_NO_SRTP
1902 if (srtp_profiles != NULL) {
1903 /* Returns 0 on success! */
1904 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
1905 BIO_printf(bio_err, "Error setting SRTP profile\n");
1906 ERR_print_errors(bio_err);
1913 ssl_ctx_set_excert(ctx, exc);
1915 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1916 if (next_proto.data != NULL)
1917 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
1921 unsigned char *alpn = next_protos_parse(&alpn_len, alpn_in);
1924 BIO_printf(bio_err, "Error parsing -alpn argument\n");
1927 /* Returns 0 on success! */
1928 if (SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len) != 0) {
1929 BIO_printf(bio_err, "Error setting ALPN\n");
1935 for (i = 0; i < serverinfo_count; i++) {
1936 if (!SSL_CTX_add_client_custom_ext(ctx,
1937 serverinfo_types[i],
1939 serverinfo_cli_parse_cb, NULL)) {
1941 "Warning: Unable to add custom extension %u, skipping\n",
1942 serverinfo_types[i]);
1947 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1949 #ifndef OPENSSL_NO_CT
1950 /* Enable SCT processing, without early connection termination */
1951 if (ct_validation &&
1952 !SSL_CTX_enable_ct(ctx, SSL_CT_VALIDATION_PERMISSIVE)) {
1953 ERR_print_errors(bio_err);
1957 if (!ctx_set_ctlog_list_file(ctx, ctlog_file)) {
1958 if (ct_validation) {
1959 ERR_print_errors(bio_err);
1964 * If CT validation is not enabled, the log list isn't needed so don't
1965 * show errors or abort. We try to load it regardless because then we
1966 * can show the names of the logs any SCTs came from (SCTs may be seen
1967 * even with validation disabled).
1973 SSL_CTX_set_verify(ctx, verify, verify_callback);
1975 if (!ctx_set_verify_locations(ctx, CAfile, noCAfile, CApath, noCApath,
1976 CAstore, noCAstore)) {
1977 ERR_print_errors(bio_err);
1981 ssl_ctx_add_crls(ctx, crls, crl_download);
1983 if (!set_cert_key_stuff(ctx, cert, key, chain, build_chain))
1986 if (!noservername) {
1987 tlsextcbp.biodebug = bio_err;
1988 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1989 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1991 # ifndef OPENSSL_NO_SRP
1992 if (srp_arg.srplogin) {
1993 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin)) {
1994 BIO_printf(bio_err, "Unable to set SRP username\n");
1997 srp_arg.msg = c_msg;
1998 srp_arg.debug = c_debug;
1999 SSL_CTX_set_srp_cb_arg(ctx, &srp_arg);
2000 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb);
2001 SSL_CTX_set_srp_strength(ctx, srp_arg.strength);
2002 if (c_msg || c_debug || srp_arg.amp == 0)
2003 SSL_CTX_set_srp_verify_param_callback(ctx,
2004 ssl_srp_verify_param_cb);
2008 if (dane_tlsa_domain != NULL) {
2009 if (SSL_CTX_dane_enable(ctx) <= 0) {
2011 "%s: Error enabling DANE TLSA authentication.\n",
2013 ERR_print_errors(bio_err);
2019 * In TLSv1.3 NewSessionTicket messages arrive after the handshake and can
2020 * come at any time. Therefore we use a callback to write out the session
2021 * when we know about it. This approach works for < TLSv1.3 as well.
2023 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_CLIENT
2024 | SSL_SESS_CACHE_NO_INTERNAL_STORE);
2025 SSL_CTX_sess_set_new_cb(ctx, new_session_cb);
2027 if (set_keylog_file(ctx, keylog_file))
2035 SSL_set_post_handshake_auth(con, 1);
2037 if (sess_in != NULL) {
2039 BIO *stmp = BIO_new_file(sess_in, "r");
2041 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
2042 ERR_print_errors(bio_err);
2045 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
2048 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
2049 ERR_print_errors(bio_err);
2052 if (!SSL_set_session(con, sess)) {
2053 BIO_printf(bio_err, "Can't set session\n");
2054 ERR_print_errors(bio_err);
2058 SSL_SESSION_free(sess);
2062 SSL_set_mode(con, SSL_MODE_SEND_FALLBACK_SCSV);
2064 if (!noservername && (servername != NULL || dane_tlsa_domain == NULL)) {
2065 if (servername == NULL) {
2066 if(host == NULL || is_dNS_name(host))
2067 servername = (host == NULL) ? "localhost" : host;
2069 if (servername != NULL && !SSL_set_tlsext_host_name(con, servername)) {
2070 BIO_printf(bio_err, "Unable to set TLS servername extension.\n");
2071 ERR_print_errors(bio_err);
2076 if (dane_tlsa_domain != NULL) {
2077 if (SSL_dane_enable(con, dane_tlsa_domain) <= 0) {
2078 BIO_printf(bio_err, "%s: Error enabling DANE TLSA "
2079 "authentication.\n", prog);
2080 ERR_print_errors(bio_err);
2083 if (dane_tlsa_rrset == NULL) {
2084 BIO_printf(bio_err, "%s: DANE TLSA authentication requires at "
2085 "least one -dane_tlsa_rrdata option.\n", prog);
2088 if (tlsa_import_rrset(con, dane_tlsa_rrset) <= 0) {
2089 BIO_printf(bio_err, "%s: Failed to import any TLSA "
2090 "records.\n", prog);
2093 if (dane_ee_no_name)
2094 SSL_dane_set_flags(con, DANE_FLAG_NO_DANE_EE_NAMECHECKS);
2095 } else if (dane_tlsa_rrset != NULL) {
2096 BIO_printf(bio_err, "%s: DANE TLSA authentication requires the "
2097 "-dane_tlsa_domain option.\n", prog);
2102 if (init_client(&sock, host, port, bindhost, bindport, socket_family,
2103 socket_type, protocol) == 0) {
2104 BIO_printf(bio_err, "connect:errno=%d\n", get_last_socket_error());
2105 BIO_closesocket(sock);
2108 BIO_printf(bio_c_out, "CONNECTED(%08X)\n", sock);
2111 if (!BIO_socket_nbio(sock, 1)) {
2112 ERR_print_errors(bio_err);
2115 BIO_printf(bio_c_out, "Turned on non blocking io\n");
2117 #ifndef OPENSSL_NO_DTLS
2119 union BIO_sock_info_u peer_info;
2121 #ifndef OPENSSL_NO_SCTP
2122 if (protocol == IPPROTO_SCTP)
2123 sbio = BIO_new_dgram_sctp(sock, BIO_NOCLOSE);
2126 sbio = BIO_new_dgram(sock, BIO_NOCLOSE);
2128 if ((peer_info.addr = BIO_ADDR_new()) == NULL) {
2129 BIO_printf(bio_err, "memory allocation failure\n");
2130 BIO_closesocket(sock);
2133 if (!BIO_sock_info(sock, BIO_SOCK_INFO_ADDRESS, &peer_info)) {
2134 BIO_printf(bio_err, "getsockname:errno=%d\n",
2135 get_last_socket_error());
2136 BIO_ADDR_free(peer_info.addr);
2137 BIO_closesocket(sock);
2141 (void)BIO_ctrl_set_connected(sbio, peer_info.addr);
2142 BIO_ADDR_free(peer_info.addr);
2143 peer_info.addr = NULL;
2145 if (enable_timeouts) {
2147 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2148 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2151 timeout.tv_usec = DGRAM_SND_TIMEOUT;
2152 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2156 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
2157 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
2158 DTLS_get_link_min_mtu(con));
2162 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2163 if (!DTLS_set_link_mtu(con, socket_mtu)) {
2164 BIO_printf(bio_err, "Failed to set MTU\n");
2169 /* want to do MTU discovery */
2170 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2173 #endif /* OPENSSL_NO_DTLS */
2174 sbio = BIO_new_socket(sock, BIO_NOCLOSE);
2179 test = BIO_new(BIO_f_nbio_test());
2180 sbio = BIO_push(test, sbio);
2184 BIO_set_callback(sbio, bio_dump_callback);
2185 BIO_set_callback_arg(sbio, (char *)bio_c_out);
2188 #ifndef OPENSSL_NO_SSL_TRACE
2190 SSL_set_msg_callback(con, SSL_trace);
2193 SSL_set_msg_callback(con, msg_cb);
2194 SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out);
2197 if (c_tlsextdebug) {
2198 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2199 SSL_set_tlsext_debug_arg(con, bio_c_out);
2201 #ifndef OPENSSL_NO_OCSP
2203 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
2204 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
2205 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
2209 SSL_set_bio(con, sbio, sbio);
2210 SSL_set_connect_state(con);
2212 /* ok, lets connect */
2213 if (fileno_stdin() > SSL_get_fd(con))
2214 width = fileno_stdin() + 1;
2216 width = SSL_get_fd(con) + 1;
2229 switch ((PROTOCOL_CHOICE) starttls_proto) {
2236 * This is an ugly hack that does a lot of assumptions. We do
2237 * have to handle multi-line responses which may come in a single
2238 * packet or not. We therefore have to use BIO_gets() which does
2239 * need a buffering BIO. So during the initial chitchat we do
2240 * push a buffering BIO into the chain that is removed again
2241 * later on to not disturb the rest of the s_client operation.
2244 BIO *fbio = BIO_new(BIO_f_buffer());
2246 BIO_push(fbio, sbio);
2247 /* Wait for multi-line response to end from LMTP or SMTP */
2249 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2250 } while (mbuf_len > 3 && mbuf[3] == '-');
2251 if (protohost == NULL)
2252 protohost = "mail.example.com";
2253 if (starttls_proto == (int)PROTO_LMTP)
2254 BIO_printf(fbio, "LHLO %s\r\n", protohost);
2256 BIO_printf(fbio, "EHLO %s\r\n", protohost);
2257 (void)BIO_flush(fbio);
2259 * Wait for multi-line response to end LHLO LMTP or EHLO SMTP
2263 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2264 if (strstr(mbuf, "STARTTLS"))
2266 } while (mbuf_len > 3 && mbuf[3] == '-');
2267 (void)BIO_flush(fbio);
2272 "Didn't find STARTTLS in server response,"
2273 " trying anyway...\n");
2274 BIO_printf(sbio, "STARTTLS\r\n");
2275 BIO_read(sbio, sbuf, BUFSIZZ);
2280 BIO_read(sbio, mbuf, BUFSIZZ);
2281 BIO_printf(sbio, "STLS\r\n");
2282 mbuf_len = BIO_read(sbio, sbuf, BUFSIZZ);
2284 BIO_printf(bio_err, "BIO_read failed\n");
2292 BIO *fbio = BIO_new(BIO_f_buffer());
2294 BIO_push(fbio, sbio);
2295 BIO_gets(fbio, mbuf, BUFSIZZ);
2296 /* STARTTLS command requires CAPABILITY... */
2297 BIO_printf(fbio, ". CAPABILITY\r\n");
2298 (void)BIO_flush(fbio);
2299 /* wait for multi-line CAPABILITY response */
2301 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2302 if (strstr(mbuf, "STARTTLS"))
2305 while (mbuf_len > 3 && mbuf[0] != '.');
2306 (void)BIO_flush(fbio);
2311 "Didn't find STARTTLS in server response,"
2312 " trying anyway...\n");
2313 BIO_printf(sbio, ". STARTTLS\r\n");
2314 BIO_read(sbio, sbuf, BUFSIZZ);
2319 BIO *fbio = BIO_new(BIO_f_buffer());
2321 BIO_push(fbio, sbio);
2322 /* wait for multi-line response to end from FTP */
2324 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2326 while (mbuf_len > 3 && (!isdigit(mbuf[0]) || !isdigit(mbuf[1]) || !isdigit(mbuf[2]) || mbuf[3] != ' '));
2327 (void)BIO_flush(fbio);
2330 BIO_printf(sbio, "AUTH TLS\r\n");
2331 BIO_read(sbio, sbuf, BUFSIZZ);
2335 case PROTO_XMPP_SERVER:
2338 BIO_printf(sbio, "<stream:stream "
2339 "xmlns:stream='http://etherx.jabber.org/streams' "
2340 "xmlns='jabber:%s' to='%s' version='1.0'>",
2341 starttls_proto == PROTO_XMPP ? "client" : "server",
2342 protohost ? protohost : host);
2343 seen = BIO_read(sbio, mbuf, BUFSIZZ);
2345 BIO_printf(bio_err, "BIO_read failed\n");
2350 (mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")
2352 "<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\""))
2354 seen = BIO_read(sbio, mbuf, BUFSIZZ);
2362 "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
2363 seen = BIO_read(sbio, sbuf, BUFSIZZ);
2365 BIO_printf(bio_err, "BIO_read failed\n");
2369 if (!strstr(sbuf, "<proceed"))
2376 static const unsigned char tls_do[] = {
2377 /* IAC DO START_TLS */
2380 static const unsigned char tls_will[] = {
2381 /* IAC WILL START_TLS */
2384 static const unsigned char tls_follows[] = {
2385 /* IAC SB START_TLS FOLLOWS IAC SE */
2386 255, 250, 46, 1, 255, 240
2390 /* Telnet server should demand we issue START_TLS */
2391 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
2392 if (bytes != 3 || memcmp(mbuf, tls_do, 3) != 0)
2394 /* Agree to issue START_TLS and send the FOLLOWS sub-command */
2395 BIO_write(sbio, tls_will, 3);
2396 BIO_write(sbio, tls_follows, 6);
2397 (void)BIO_flush(sbio);
2398 /* Telnet server also sent the FOLLOWS sub-command */
2399 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
2400 if (bytes != 6 || memcmp(mbuf, tls_follows, 6) != 0)
2405 /* Here we must use the connect string target host & port */
2406 if (!OSSL_HTTP_proxy_connect(sbio, thost, tport, proxyuser, proxypass,
2407 0 /* no timeout */, bio_err, prog))
2413 BIO *fbio = BIO_new(BIO_f_buffer());
2415 BIO_push(fbio, sbio);
2416 BIO_printf(fbio, "STARTTLS\r\n");
2417 (void)BIO_flush(fbio);
2418 width = SSL_get_fd(con) + 1;
2424 openssl_fdset(SSL_get_fd(con), &readfds);
2425 timeout.tv_sec = S_CLIENT_IRC_READ_TIMEOUT;
2426 timeout.tv_usec = 0;
2428 * If the IRCd doesn't respond within
2429 * S_CLIENT_IRC_READ_TIMEOUT seconds, assume
2430 * it doesn't support STARTTLS. Many IRCds
2431 * will not give _any_ sort of response to a
2432 * STARTTLS command when it's not supported.
2434 if (!BIO_get_buffer_num_lines(fbio)
2435 && !BIO_pending(fbio)
2436 && !BIO_pending(sbio)
2437 && select(width, (void *)&readfds, NULL, NULL,
2440 "Timeout waiting for response (%d seconds).\n",
2441 S_CLIENT_IRC_READ_TIMEOUT);
2445 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2446 if (mbuf_len < 1 || sscanf(mbuf, "%*s %d", &numeric) != 1)
2448 /* :example.net 451 STARTTLS :You have not registered */
2449 /* :example.net 421 STARTTLS :Unknown command */
2450 if ((numeric == 451 || numeric == 421)
2451 && strstr(mbuf, "STARTTLS") != NULL) {
2452 BIO_printf(bio_err, "STARTTLS not supported: %s", mbuf);
2455 if (numeric == 691) {
2456 BIO_printf(bio_err, "STARTTLS negotiation failed: ");
2457 ERR_print_errors(bio_err);
2460 } while (numeric != 670);
2462 (void)BIO_flush(fbio);
2465 if (numeric != 670) {
2466 BIO_printf(bio_err, "Server does not support STARTTLS.\n");
2474 /* SSL request packet */
2475 static const unsigned char ssl_req[] = {
2476 /* payload_length, sequence_id */
2477 0x20, 0x00, 0x00, 0x01,
2479 /* capability flags, CLIENT_SSL always set */
2480 0x85, 0xae, 0x7f, 0x00,
2481 /* max-packet size */
2482 0x00, 0x00, 0x00, 0x01,
2485 /* string[23] reserved (all [0]) */
2486 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
2487 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
2488 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
2491 int ssl_flg = 0x800;
2493 const unsigned char *packet = (const unsigned char *)sbuf;
2495 /* Receiving Initial Handshake packet. */
2496 bytes = BIO_read(sbio, (void *)packet, BUFSIZZ);
2498 BIO_printf(bio_err, "BIO_read failed\n");
2500 /* Packet length[3], Packet number[1] + minimum payload[17] */
2501 } else if (bytes < 21) {
2502 BIO_printf(bio_err, "MySQL packet too short.\n");
2504 } else if (bytes != (4 + packet[0] +
2506 (packet[2] << 16))) {
2507 BIO_printf(bio_err, "MySQL packet length does not match.\n");
2509 /* protocol version[1] */
2510 } else if (packet[4] != 0xA) {
2512 "Only MySQL protocol version 10 is supported.\n");
2517 /* server version[string+NULL] */
2520 BIO_printf(bio_err, "Cannot confirm server version. ");
2522 } else if (packet[pos++] == '\0') {
2527 /* make sure we have at least 15 bytes left in the packet */
2528 if (pos + 15 > bytes) {
2530 "MySQL server handshake packet is broken.\n");
2534 pos += 12; /* skip over conn id[4] + SALT[8] */
2535 if (packet[pos++] != '\0') { /* verify filler */
2537 "MySQL packet is broken.\n");
2541 /* capability flags[2] */
2542 if (!((packet[pos] + (packet[pos + 1] << 8)) & ssl_flg)) {
2543 BIO_printf(bio_err, "MySQL server does not support SSL.\n");
2547 /* Sending SSL Handshake packet. */
2548 BIO_write(sbio, ssl_req, sizeof(ssl_req));
2549 (void)BIO_flush(sbio);
2552 case PROTO_POSTGRES:
2554 static const unsigned char ssl_request[] = {
2555 /* Length SSLRequest */
2556 0, 0, 0, 8, 4, 210, 22, 47
2560 /* Send SSLRequest packet */
2561 BIO_write(sbio, ssl_request, 8);
2562 (void)BIO_flush(sbio);
2564 /* Reply will be a single S if SSL is enabled */
2565 bytes = BIO_read(sbio, sbuf, BUFSIZZ);
2566 if (bytes != 1 || sbuf[0] != 'S')
2573 BIO *fbio = BIO_new(BIO_f_buffer());
2575 BIO_push(fbio, sbio);
2576 BIO_gets(fbio, mbuf, BUFSIZZ);
2577 /* STARTTLS command requires CAPABILITIES... */
2578 BIO_printf(fbio, "CAPABILITIES\r\n");
2579 (void)BIO_flush(fbio);
2580 BIO_gets(fbio, mbuf, BUFSIZZ);
2581 /* no point in trying to parse the CAPABILITIES response if there is none */
2582 if (strstr(mbuf, "101") != NULL) {
2583 /* wait for multi-line CAPABILITIES response */
2585 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2586 if (strstr(mbuf, "STARTTLS"))
2588 } while (mbuf_len > 1 && mbuf[0] != '.');
2590 (void)BIO_flush(fbio);
2595 "Didn't find STARTTLS in server response,"
2596 " trying anyway...\n");
2597 BIO_printf(sbio, "STARTTLS\r\n");
2598 mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ);
2600 BIO_printf(bio_err, "BIO_read failed\n");
2603 mbuf[mbuf_len] = '\0';
2604 if (strstr(mbuf, "382") == NULL) {
2605 BIO_printf(bio_err, "STARTTLS failed: %s", mbuf);
2613 BIO *fbio = BIO_new(BIO_f_buffer());
2615 BIO_push(fbio, sbio);
2616 /* wait for multi-line response to end from Sieve */
2618 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2620 * According to RFC 5804 § 1.7, capability
2621 * is case-insensitive, make it uppercase
2623 if (mbuf_len > 1 && mbuf[0] == '"') {
2624 make_uppercase(mbuf);
2625 if (strncmp(mbuf, "\"STARTTLS\"", 10) == 0)
2628 } while (mbuf_len > 1 && mbuf[0] == '"');
2629 (void)BIO_flush(fbio);
2634 "Didn't find STARTTLS in server response,"
2635 " trying anyway...\n");
2636 BIO_printf(sbio, "STARTTLS\r\n");
2637 mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ);
2639 BIO_printf(bio_err, "BIO_read failed\n");
2642 mbuf[mbuf_len] = '\0';
2644 BIO_printf(bio_err, "STARTTLS failed: %s", mbuf);
2648 * According to RFC 5804 § 2.2, response codes are case-
2649 * insensitive, make it uppercase but preserve the response.
2651 strncpy(sbuf, mbuf, 2);
2652 make_uppercase(sbuf);
2653 if (strncmp(sbuf, "OK", 2) != 0) {
2654 BIO_printf(bio_err, "STARTTLS not supported: %s", mbuf);
2661 /* StartTLS Operation according to RFC 4511 */
2662 static char ldap_tls_genconf[] = "asn1=SEQUENCE:LDAPMessage\n"
2664 "messageID=INTEGER:1\n"
2665 "extendedReq=EXPLICIT:23A,IMPLICIT:0C,"
2666 "FORMAT:ASCII,OCT:1.3.6.1.4.1.1466.20037\n";
2668 char *genstr = NULL;
2670 ASN1_TYPE *atyp = NULL;
2671 BIO *ldapbio = BIO_new(BIO_s_mem());
2672 CONF *cnf = NCONF_new(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) {
2786 BIO_puts(bio_err, "CONNECTION ESTABLISHED\n");
2787 print_ssl_summary(con);
2790 print_stuff(bio_c_out, con, full_log);
2794 if (starttls_proto) {
2795 BIO_write(bio_err, mbuf, mbuf_len);
2796 /* We don't need to know any more */
2798 starttls_proto = PROTO_OFF;
2803 BIO_printf(bio_c_out,
2804 "drop connection and then reconnect\n");
2805 do_ssl_shutdown(con);
2806 SSL_set_connect_state(con);
2807 BIO_closesocket(SSL_get_fd(con));
2813 ssl_pending = read_ssl && SSL_has_pending(con);
2816 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
2819 * Note that select() returns when read _would not block_,
2820 * and EOF satisfies that. To avoid a CPU-hogging loop,
2821 * set the flag so we exit.
2823 if (read_tty && !at_eof)
2824 openssl_fdset(fileno_stdin(), &readfds);
2825 #if !defined(OPENSSL_SYS_VMS)
2827 openssl_fdset(fileno_stdout(), &writefds);
2831 openssl_fdset(SSL_get_fd(con), &readfds);
2833 openssl_fdset(SSL_get_fd(con), &writefds);
2835 if (!tty_on || !write_tty) {
2837 openssl_fdset(SSL_get_fd(con), &readfds);
2839 openssl_fdset(SSL_get_fd(con), &writefds);
2844 * Note: under VMS with SOCKETSHR the second parameter is
2845 * currently of type (int *) whereas under other systems it is
2846 * (void *) if you don't have a cast it will choke the compiler:
2847 * if you do have a cast then you can either go for (int *) or
2850 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2852 * Under Windows/DOS we make the assumption that we can always
2853 * write to the tty: therefore if we need to write to the tty we
2854 * just fall through. Otherwise we timeout the select every
2855 * second and see if there are any keypresses. Note: this is a
2856 * hack, in a proper Windows application we wouldn't do this.
2863 i = select(width, (void *)&readfds, (void *)&writefds,
2865 if (!i && (!has_stdin_waiting() || !read_tty))
2868 i = select(width, (void *)&readfds, (void *)&writefds,
2872 i = select(width, (void *)&readfds, (void *)&writefds,
2876 BIO_printf(bio_err, "bad select %d\n",
2877 get_last_socket_error());
2882 if (SSL_is_dtls(con) && DTLSv1_handle_timeout(con) > 0)
2883 BIO_printf(bio_err, "TIMEOUT occurred\n");
2885 if (!ssl_pending && FD_ISSET(SSL_get_fd(con), &writefds)) {
2886 k = SSL_write(con, &(cbuf[cbuf_off]), (unsigned int)cbuf_len);
2887 switch (SSL_get_error(con, k)) {
2888 case SSL_ERROR_NONE:
2893 /* we have done a write(con,NULL,0); */
2894 if (cbuf_len <= 0) {
2897 } else { /* if (cbuf_len > 0) */
2903 case SSL_ERROR_WANT_WRITE:
2904 BIO_printf(bio_c_out, "write W BLOCK\n");
2908 case SSL_ERROR_WANT_ASYNC:
2909 BIO_printf(bio_c_out, "write A BLOCK\n");
2910 wait_for_async(con);
2914 case SSL_ERROR_WANT_READ:
2915 BIO_printf(bio_c_out, "write R BLOCK\n");
2920 case SSL_ERROR_WANT_X509_LOOKUP:
2921 BIO_printf(bio_c_out, "write X BLOCK\n");
2923 case SSL_ERROR_ZERO_RETURN:
2924 if (cbuf_len != 0) {
2925 BIO_printf(bio_c_out, "shutdown\n");
2934 case SSL_ERROR_SYSCALL:
2935 if ((k != 0) || (cbuf_len != 0)) {
2936 BIO_printf(bio_err, "write:errno=%d\n",
2937 get_last_socket_error());
2944 case SSL_ERROR_WANT_ASYNC_JOB:
2945 /* This shouldn't ever happen in s_client - treat as an error */
2947 ERR_print_errors(bio_err);
2951 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_VMS)
2952 /* Assume Windows/DOS/BeOS can always write */
2953 else if (!ssl_pending && write_tty)
2955 else if (!ssl_pending && FD_ISSET(fileno_stdout(), &writefds))
2958 #ifdef CHARSET_EBCDIC
2959 ascii2ebcdic(&(sbuf[sbuf_off]), &(sbuf[sbuf_off]), sbuf_len);
2961 i = raw_write_stdout(&(sbuf[sbuf_off]), sbuf_len);
2964 BIO_printf(bio_c_out, "DONE\n");
2971 if (sbuf_len <= 0) {
2975 } else if (ssl_pending || FD_ISSET(SSL_get_fd(con), &readfds)) {
2980 SSL_renegotiate(con);
2985 k = SSL_read(con, sbuf, 1024 /* BUFSIZZ */ );
2987 switch (SSL_get_error(con, k)) {
2988 case SSL_ERROR_NONE:
2997 case SSL_ERROR_WANT_ASYNC:
2998 BIO_printf(bio_c_out, "read A BLOCK\n");
2999 wait_for_async(con);
3002 if ((read_tty == 0) && (write_ssl == 0))
3005 case SSL_ERROR_WANT_WRITE:
3006 BIO_printf(bio_c_out, "read W BLOCK\n");
3010 case SSL_ERROR_WANT_READ:
3011 BIO_printf(bio_c_out, "read R BLOCK\n");
3014 if ((read_tty == 0) && (write_ssl == 0))
3017 case SSL_ERROR_WANT_X509_LOOKUP:
3018 BIO_printf(bio_c_out, "read X BLOCK\n");
3020 case SSL_ERROR_SYSCALL:
3021 ret = get_last_socket_error();
3023 BIO_puts(bio_err, "CONNECTION CLOSED BY SERVER\n");
3025 BIO_printf(bio_err, "read:errno=%d\n", ret);
3027 case SSL_ERROR_ZERO_RETURN:
3028 BIO_printf(bio_c_out, "closed\n");
3031 case SSL_ERROR_WANT_ASYNC_JOB:
3032 /* This shouldn't ever happen in s_client. Treat as an error */
3034 ERR_print_errors(bio_err);
3038 /* OPENSSL_SYS_MSDOS includes OPENSSL_SYS_WINDOWS */
3039 #if defined(OPENSSL_SYS_MSDOS)
3040 else if (has_stdin_waiting())
3042 else if (FD_ISSET(fileno_stdin(), &readfds))
3048 i = raw_read_stdin(cbuf, BUFSIZZ / 2);
3050 /* both loops are skipped when i <= 0 */
3051 for (j = 0; j < i; j++)
3052 if (cbuf[j] == '\n')
3054 for (j = i - 1; j >= 0; j--) {
3055 cbuf[j + lf_num] = cbuf[j];
3056 if (cbuf[j] == '\n') {
3059 cbuf[j + lf_num] = '\r';
3062 assert(lf_num == 0);
3064 i = raw_read_stdin(cbuf, BUFSIZZ);
3065 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
3070 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q' && cmdletters))) {
3071 BIO_printf(bio_err, "DONE\n");
3076 if ((!c_ign_eof) && (cbuf[0] == 'R' && cmdletters)) {
3077 BIO_printf(bio_err, "RENEGOTIATING\n");
3078 SSL_renegotiate(con);
3080 } else if (!c_ign_eof && (cbuf[0] == 'K' || cbuf[0] == 'k' )
3082 BIO_printf(bio_err, "KEYUPDATE\n");
3084 cbuf[0] == 'K' ? SSL_KEY_UPDATE_REQUESTED
3085 : SSL_KEY_UPDATE_NOT_REQUESTED);
3090 #ifdef CHARSET_EBCDIC
3091 ebcdic2ascii(cbuf, cbuf, i);
3103 print_stuff(bio_c_out, con, full_log);
3104 do_ssl_shutdown(con);
3107 * If we ended with an alert being sent, but still with data in the
3108 * network buffer to be read, then calling BIO_closesocket() will
3109 * result in a TCP-RST being sent. On some platforms (notably
3110 * Windows) then this will result in the peer immediately abandoning
3111 * the connection including any buffered alert data before it has
3112 * had a chance to be read. Shutting down the sending side first,
3113 * and then closing the socket sends TCP-FIN first followed by
3114 * TCP-RST. This seems to allow the peer to read the alert data.
3116 shutdown(SSL_get_fd(con), 1); /* SHUT_WR */
3118 * We just said we have nothing else to say, but it doesn't mean that
3119 * the other side has nothing. It's even recommended to consume incoming
3120 * data. [In testing context this ensures that alerts are passed on...]
3123 timeout.tv_usec = 500000; /* some extreme round-trip */
3126 openssl_fdset(sock, &readfds);
3127 } while (select(sock + 1, &readfds, NULL, NULL, &timeout) > 0
3128 && BIO_read(sbio, sbuf, BUFSIZZ) > 0);
3130 BIO_closesocket(SSL_get_fd(con));
3134 print_stuff(bio_c_out, con, 1);
3137 SSL_SESSION_free(psksess);
3138 #if !defined(OPENSSL_NO_NEXTPROTONEG)
3139 OPENSSL_free(next_proto.data);
3142 set_keylog_file(NULL, NULL);
3144 sk_X509_CRL_pop_free(crls, X509_CRL_free);
3146 sk_X509_pop_free(chain, X509_free);
3148 #ifndef OPENSSL_NO_SRP
3149 OPENSSL_free(srp_arg.srppassin);
3151 OPENSSL_free(connectstr);
3152 OPENSSL_free(bindstr);
3155 OPENSSL_free(thost);
3156 OPENSSL_free(tport);
3157 X509_VERIFY_PARAM_free(vpm);
3158 ssl_excert_free(exc);
3159 sk_OPENSSL_STRING_free(ssl_args);
3160 sk_OPENSSL_STRING_free(dane_tlsa_rrset);
3161 SSL_CONF_CTX_free(cctx);
3162 OPENSSL_clear_free(cbuf, BUFSIZZ);
3163 OPENSSL_clear_free(sbuf, BUFSIZZ);
3164 OPENSSL_clear_free(mbuf, BUFSIZZ);
3165 clear_free(proxypass);
3167 BIO_free(bio_c_out);
3169 BIO_free(bio_c_msg);
3174 static void print_stuff(BIO *bio, SSL *s, int full)
3178 const SSL_CIPHER *c;
3179 EVP_PKEY *public_key;
3180 int i, istls13 = (SSL_version(s) == TLS1_3_VERSION);
3182 #ifndef OPENSSL_NO_COMP
3183 const COMP_METHOD *comp, *expansion;
3185 unsigned char *exportedkeymat;
3186 #ifndef OPENSSL_NO_CT
3187 const SSL_CTX *ctx = SSL_get_SSL_CTX(s);
3191 int got_a_chain = 0;
3193 sk = SSL_get_peer_cert_chain(s);
3197 BIO_printf(bio, "---\nCertificate chain\n");
3198 for (i = 0; i < sk_X509_num(sk); i++) {
3199 BIO_printf(bio, "%2d s:", i);
3200 X509_NAME_print_ex(bio, X509_get_subject_name(sk_X509_value(sk, i)), 0, get_nameopt());
3201 BIO_puts(bio, "\n");
3202 BIO_printf(bio, " i:");
3203 X509_NAME_print_ex(bio, X509_get_issuer_name(sk_X509_value(sk, i)), 0, get_nameopt());
3204 BIO_puts(bio, "\n");
3205 public_key = X509_get_pubkey(sk_X509_value(sk, i));
3206 if (public_key != NULL) {
3207 BIO_printf(bio, " a:PKEY: %s, %d (bit); sigalg: %s\n",
3208 OBJ_nid2sn(EVP_PKEY_base_id(public_key)),
3209 EVP_PKEY_bits(public_key),
3210 OBJ_nid2sn(X509_get_signature_nid(sk_X509_value(sk, i))));
3211 EVP_PKEY_free(public_key);
3213 BIO_printf(bio, " v:NotBefore: ");
3214 ASN1_TIME_print(bio, X509_get0_notBefore(sk_X509_value(sk, i)));
3215 BIO_printf(bio, "; NotAfter: ");
3216 ASN1_TIME_print(bio, X509_get0_notAfter(sk_X509_value(sk, i)));
3217 BIO_puts(bio, "\n");
3219 PEM_write_bio_X509(bio, sk_X509_value(sk, i));
3223 BIO_printf(bio, "---\n");
3224 peer = SSL_get_peer_certificate(s);
3226 BIO_printf(bio, "Server certificate\n");
3228 /* Redundant if we showed the whole chain */
3229 if (!(c_showcerts && got_a_chain))
3230 PEM_write_bio_X509(bio, peer);
3231 dump_cert_text(bio, peer);
3233 BIO_printf(bio, "no peer certificate available\n");
3235 print_ca_names(bio, s);
3237 ssl_print_sigalgs(bio, s);
3238 ssl_print_tmp_key(bio, s);
3240 #ifndef OPENSSL_NO_CT
3242 * When the SSL session is anonymous, or resumed via an abbreviated
3243 * handshake, no SCTs are provided as part of the handshake. While in
3244 * a resumed session SCTs may be present in the session's certificate,
3245 * no callbacks are invoked to revalidate these, and in any case that
3246 * set of SCTs may be incomplete. Thus it makes little sense to
3247 * attempt to display SCTs from a resumed session's certificate, and of
3248 * course none are associated with an anonymous peer.
3250 if (peer != NULL && !SSL_session_reused(s) && SSL_ct_is_enabled(s)) {
3251 const STACK_OF(SCT) *scts = SSL_get0_peer_scts(s);
3252 int sct_count = scts != NULL ? sk_SCT_num(scts) : 0;
3254 BIO_printf(bio, "---\nSCTs present (%i)\n", sct_count);
3255 if (sct_count > 0) {
3256 const CTLOG_STORE *log_store = SSL_CTX_get0_ctlog_store(ctx);
3258 BIO_printf(bio, "---\n");
3259 for (i = 0; i < sct_count; ++i) {
3260 SCT *sct = sk_SCT_value(scts, i);
3262 BIO_printf(bio, "SCT validation status: %s\n",
3263 SCT_validation_status_string(sct));
3264 SCT_print(sct, bio, 0, log_store);
3265 if (i < sct_count - 1)
3266 BIO_printf(bio, "\n---\n");
3268 BIO_printf(bio, "\n");
3274 "---\nSSL handshake has read %ju bytes "
3275 "and written %ju bytes\n",
3276 BIO_number_read(SSL_get_rbio(s)),
3277 BIO_number_written(SSL_get_wbio(s)));
3279 print_verify_detail(s, bio);
3280 BIO_printf(bio, (SSL_session_reused(s) ? "---\nReused, " : "---\nNew, "));
3281 c = SSL_get_current_cipher(s);
3282 BIO_printf(bio, "%s, Cipher is %s\n",
3283 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
3287 pktmp = X509_get0_pubkey(peer);
3288 BIO_printf(bio, "Server public key is %d bit\n",
3289 EVP_PKEY_bits(pktmp));
3291 BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
3292 SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
3293 #ifndef OPENSSL_NO_COMP
3294 comp = SSL_get_current_compression(s);
3295 expansion = SSL_get_current_expansion(s);
3296 BIO_printf(bio, "Compression: %s\n",
3297 comp ? SSL_COMP_get_name(comp) : "NONE");
3298 BIO_printf(bio, "Expansion: %s\n",
3299 expansion ? SSL_COMP_get_name(expansion) : "NONE");
3301 #ifndef OPENSSL_NO_KTLS
3302 if (BIO_get_ktls_send(SSL_get_wbio(s)))
3303 BIO_printf(bio_err, "Using Kernel TLS for sending\n");
3304 if (BIO_get_ktls_recv(SSL_get_rbio(s)))
3305 BIO_printf(bio_err, "Using Kernel TLS for receiving\n");
3308 if (OSSL_TRACE_ENABLED(TLS)) {
3309 /* Print out local port of connection: useful for debugging */
3311 union BIO_sock_info_u info;
3313 sock = SSL_get_fd(s);
3314 if ((info.addr = BIO_ADDR_new()) != NULL
3315 && BIO_sock_info(sock, BIO_SOCK_INFO_ADDRESS, &info)) {
3316 BIO_printf(bio_c_out, "LOCAL PORT is %u\n",
3317 ntohs(BIO_ADDR_rawport(info.addr)));
3319 BIO_ADDR_free(info.addr);
3322 #if !defined(OPENSSL_NO_NEXTPROTONEG)
3323 if (next_proto.status != -1) {
3324 const unsigned char *proto;
3325 unsigned int proto_len;
3326 SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
3327 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
3328 BIO_write(bio, proto, proto_len);
3329 BIO_write(bio, "\n", 1);
3333 const unsigned char *proto;
3334 unsigned int proto_len;
3335 SSL_get0_alpn_selected(s, &proto, &proto_len);
3336 if (proto_len > 0) {
3337 BIO_printf(bio, "ALPN protocol: ");
3338 BIO_write(bio, proto, proto_len);
3339 BIO_write(bio, "\n", 1);
3341 BIO_printf(bio, "No ALPN negotiated\n");
3344 #ifndef OPENSSL_NO_SRTP
3346 SRTP_PROTECTION_PROFILE *srtp_profile =
3347 SSL_get_selected_srtp_profile(s);
3350 BIO_printf(bio, "SRTP Extension negotiated, profile=%s\n",
3351 srtp_profile->name);
3356 switch (SSL_get_early_data_status(s)) {
3357 case SSL_EARLY_DATA_NOT_SENT:
3358 BIO_printf(bio, "Early data was not sent\n");
3361 case SSL_EARLY_DATA_REJECTED:
3362 BIO_printf(bio, "Early data was rejected\n");
3365 case SSL_EARLY_DATA_ACCEPTED:
3366 BIO_printf(bio, "Early data was accepted\n");
3372 * We also print the verify results when we dump session information,
3373 * but in TLSv1.3 we may not get that right away (or at all) depending
3374 * on when we get a NewSessionTicket. Therefore we print it now as well.
3376 verify_result = SSL_get_verify_result(s);
3377 BIO_printf(bio, "Verify return code: %ld (%s)\n", verify_result,
3378 X509_verify_cert_error_string(verify_result));
3380 /* In TLSv1.3 we do this on arrival of a NewSessionTicket */
3381 SSL_SESSION_print(bio, SSL_get_session(s));
3384 if (SSL_get_session(s) != NULL && keymatexportlabel != NULL) {
3385 BIO_printf(bio, "Keying material exporter:\n");
3386 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel);
3387 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen);
3388 exportedkeymat = app_malloc(keymatexportlen, "export key");
3389 if (!SSL_export_keying_material(s, exportedkeymat,
3392 strlen(keymatexportlabel),
3394 BIO_printf(bio, " Error\n");
3396 BIO_printf(bio, " Keying material: ");
3397 for (i = 0; i < keymatexportlen; i++)
3398 BIO_printf(bio, "%02X", exportedkeymat[i]);
3399 BIO_printf(bio, "\n");
3401 OPENSSL_free(exportedkeymat);
3403 BIO_printf(bio, "---\n");
3405 /* flush, or debugging output gets mixed with http response */
3406 (void)BIO_flush(bio);
3409 # ifndef OPENSSL_NO_OCSP
3410 static int ocsp_resp_cb(SSL *s, void *arg)
3412 const unsigned char *p;
3415 len = SSL_get_tlsext_status_ocsp_resp(s, &p);
3416 BIO_puts(arg, "OCSP response: ");
3418 BIO_puts(arg, "no response sent\n");
3421 rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
3423 BIO_puts(arg, "response parse error\n");
3424 BIO_dump_indent(arg, (char *)p, len, 4);
3427 BIO_puts(arg, "\n======================================\n");
3428 OCSP_RESPONSE_print(arg, rsp, 0);
3429 BIO_puts(arg, "======================================\n");
3430 OCSP_RESPONSE_free(rsp);
3435 static int ldap_ExtendedResponse_parse(const char *buf, long rem)
3437 const unsigned char *cur, *end;
3439 int tag, xclass, inf, ret = -1;
3441 cur = (const unsigned char *)buf;
3447 * LDAPMessage ::= SEQUENCE {
3448 * messageID MessageID,
3449 * protocolOp CHOICE {
3451 * extendedResp ExtendedResponse,
3453 * controls [0] Controls OPTIONAL }
3455 * ExtendedResponse ::= [APPLICATION 24] SEQUENCE {
3456 * COMPONENTS OF LDAPResult,
3457 * responseName [10] LDAPOID OPTIONAL,
3458 * responseValue [11] OCTET STRING OPTIONAL }
3460 * LDAPResult ::= SEQUENCE {
3461 * resultCode ENUMERATED {
3467 * diagnosticMessage LDAPString,
3468 * referral [3] Referral OPTIONAL }
3472 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3473 if (inf != V_ASN1_CONSTRUCTED || tag != V_ASN1_SEQUENCE ||
3474 (rem = end - cur, len > rem)) {
3475 BIO_printf(bio_err, "Unexpected LDAP response\n");
3479 rem = len; /* ensure that we don't overstep the SEQUENCE */
3481 /* pull MessageID */
3482 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3483 if (inf != V_ASN1_UNIVERSAL || tag != V_ASN1_INTEGER ||
3484 (rem = end - cur, len > rem)) {
3485 BIO_printf(bio_err, "No MessageID\n");
3489 cur += len; /* shall we check for MessageId match or just skip? */
3491 /* pull [APPLICATION 24] */
3493 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3494 if (inf != V_ASN1_CONSTRUCTED || xclass != V_ASN1_APPLICATION ||
3496 BIO_printf(bio_err, "Not ExtendedResponse\n");
3500 /* pull resultCode */
3502 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3503 if (inf != V_ASN1_UNIVERSAL || tag != V_ASN1_ENUMERATED || len == 0 ||
3504 (rem = end - cur, len > rem)) {
3505 BIO_printf(bio_err, "Not LDAPResult\n");
3509 /* len should always be one, but just in case... */
3510 for (ret = 0, inf = 0; inf < len; inf++) {
3514 /* There is more data, but we don't care... */
3520 * Host dNS Name verifier: used for checking that the hostname is in dNS format
3521 * before setting it as SNI
3523 static int is_dNS_name(const char *host)
3525 const size_t MAX_LABEL_LENGTH = 63;
3528 size_t length = strlen(host);
3529 size_t label_length = 0;
3530 int all_numeric = 1;
3533 * Deviation from strict DNS name syntax, also check names with '_'
3534 * Check DNS name syntax, any '-' or '.' must be internal,
3535 * and on either side of each '.' we can't have a '-' or '.'.
3537 * If the name has just one label, we don't consider it a DNS name.
3539 for (i = 0; i < length && label_length < MAX_LABEL_LENGTH; ++i) {
3542 if ((c >= 'a' && c <= 'z')
3543 || (c >= 'A' && c <= 'Z')
3550 if (c >= '0' && c <= '9') {
3555 /* Dot and hyphen cannot be first or last. */
3556 if (i > 0 && i < length - 1) {
3562 * Next to a dot the preceding and following characters must not be
3563 * another dot or a hyphen. Otherwise, record that the name is
3564 * plausible, since it has two or more labels.
3567 && host[i + 1] != '.'
3568 && host[i - 1] != '-'
3569 && host[i + 1] != '-') {
3579 /* dNS name must not be all numeric and labels must be shorter than 64 characters. */
3580 isdnsname &= !all_numeric && !(label_length == MAX_LABEL_LENGTH);
3584 #endif /* OPENSSL_NO_SOCK */