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
11 /* We need to use some engine deprecated APIs */
12 #define OPENSSL_SUPPRESS_DEPRECATED
20 #include <openssl/e_os2.h>
22 #ifndef OPENSSL_NO_SOCK
25 * With IPv6, it looks like Digital has mixed up the proper order of
26 * recursive header file inclusion, resulting in the compiler complaining
27 * that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which is
28 * needed to have fileno() declared correctly... So let's define u_int
30 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
32 typedef unsigned int u_int;
37 #include <openssl/x509.h>
38 #include <openssl/ssl.h>
39 #include <openssl/err.h>
40 #include <openssl/pem.h>
41 #include <openssl/rand.h>
42 #include <openssl/ocsp.h>
43 #include <openssl/bn.h>
44 #include <openssl/trace.h>
45 #include <openssl/async.h>
46 #ifndef OPENSSL_NO_SRP
47 # include <openssl/srp.h>
50 # include <openssl/ct.h>
54 #include "internal/sockets.h"
56 #if defined(__has_feature)
57 # if __has_feature(memory_sanitizer)
58 # include <sanitizer/msan_interface.h>
63 DEFINE_STACK_OF(X509_CRL)
64 DEFINE_STACK_OF(X509_NAME)
66 DEFINE_STACK_OF_STRING()
69 #define BUFSIZZ 1024*8
70 #define S_CLIENT_IRC_READ_TIMEOUT 8
73 static int c_debug = 0;
74 static int c_showcerts = 0;
75 static char *keymatexportlabel = NULL;
76 static int keymatexportlen = 20;
77 static BIO *bio_c_out = NULL;
78 static int c_quiet = 0;
79 static char *sess_out = NULL;
80 static SSL_SESSION *psksess = NULL;
82 static void print_stuff(BIO *berr, SSL *con, int full);
83 #ifndef OPENSSL_NO_OCSP
84 static int ocsp_resp_cb(SSL *s, void *arg);
86 static int ldap_ExtendedResponse_parse(const char *buf, long rem);
87 static int is_dNS_name(const char *host);
89 static int saved_errno;
91 static void save_errno(void)
97 static int restore_errno(void)
104 /* Default PSK identity and key */
105 static char *psk_identity = "Client_identity";
107 #ifndef OPENSSL_NO_PSK
108 static unsigned int psk_client_cb(SSL *ssl, const char *hint, char *identity,
109 unsigned int max_identity_len,
111 unsigned int max_psk_len)
118 BIO_printf(bio_c_out, "psk_client_cb\n");
120 /* no ServerKeyExchange message */
122 BIO_printf(bio_c_out,
123 "NULL received PSK identity hint, continuing anyway\n");
124 } else if (c_debug) {
125 BIO_printf(bio_c_out, "Received PSK identity hint '%s'\n", hint);
129 * lookup PSK identity and PSK key based on the given identity hint here
131 ret = BIO_snprintf(identity, max_identity_len, "%s", psk_identity);
132 if (ret < 0 || (unsigned int)ret > max_identity_len)
135 BIO_printf(bio_c_out, "created identity '%s' len=%d\n", identity,
138 /* convert the PSK key to binary */
139 key = OPENSSL_hexstr2buf(psk_key, &key_len);
141 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n",
145 if (max_psk_len > INT_MAX || key_len > (long)max_psk_len) {
147 "psk buffer of callback is too small (%d) for key (%ld)\n",
148 max_psk_len, key_len);
153 memcpy(psk, key, key_len);
157 BIO_printf(bio_c_out, "created PSK len=%ld\n", key_len);
162 BIO_printf(bio_err, "Error in PSK client callback\n");
167 const unsigned char tls13_aes128gcmsha256_id[] = { 0x13, 0x01 };
168 const unsigned char tls13_aes256gcmsha384_id[] = { 0x13, 0x02 };
170 static int psk_use_session_cb(SSL *s, const EVP_MD *md,
171 const unsigned char **id, size_t *idlen,
174 SSL_SESSION *usesess = NULL;
175 const SSL_CIPHER *cipher = NULL;
177 if (psksess != NULL) {
178 SSL_SESSION_up_ref(psksess);
182 unsigned char *key = OPENSSL_hexstr2buf(psk_key, &key_len);
185 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n",
190 /* We default to SHA-256 */
191 cipher = SSL_CIPHER_find(s, tls13_aes128gcmsha256_id);
192 if (cipher == NULL) {
193 BIO_printf(bio_err, "Error finding suitable ciphersuite\n");
198 usesess = SSL_SESSION_new();
200 || !SSL_SESSION_set1_master_key(usesess, key, key_len)
201 || !SSL_SESSION_set_cipher(usesess, cipher)
202 || !SSL_SESSION_set_protocol_version(usesess, TLS1_3_VERSION)) {
209 cipher = SSL_SESSION_get0_cipher(usesess);
213 if (md != NULL && SSL_CIPHER_get_handshake_digest(cipher) != md) {
214 /* PSK not usable, ignore it */
218 SSL_SESSION_free(usesess);
221 *id = (unsigned char *)psk_identity;
222 *idlen = strlen(psk_identity);
228 SSL_SESSION_free(usesess);
232 /* This is a context that we pass to callbacks */
233 typedef struct tlsextctx_st {
238 static int ssl_servername_cb(SSL *s, int *ad, void *arg)
240 tlsextctx *p = (tlsextctx *) arg;
241 const char *hn = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
242 if (SSL_get_servername_type(s) != -1)
243 p->ack = !SSL_session_reused(s) && hn != NULL;
245 BIO_printf(bio_err, "Can't use SSL_get_servername\n");
247 return SSL_TLSEXT_ERR_OK;
250 #ifndef OPENSSL_NO_SRP
252 /* This is a context that we pass to all callbacks */
253 typedef struct srp_arg_st {
256 int msg; /* copy from c_msg */
257 int debug; /* copy from c_debug */
258 int amp; /* allow more groups */
259 int strength; /* minimal size for N */
262 static int srp_Verify_N_and_g(const BIGNUM *N, const BIGNUM *g)
264 BN_CTX *bn_ctx = BN_CTX_new();
265 BIGNUM *p = BN_new();
266 BIGNUM *r = BN_new();
268 g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) &&
269 BN_check_prime(N, bn_ctx, NULL) == 1 &&
270 p != NULL && BN_rshift1(p, N) &&
272 BN_check_prime(p, bn_ctx, NULL) == 1 &&
274 /* verify g^((N-1)/2) == -1 (mod N) */
275 BN_mod_exp(r, g, p, N, bn_ctx) &&
276 BN_add_word(r, 1) && BN_cmp(r, N) == 0;
285 * This callback is used here for two purposes:
286 * - extended debugging
287 * - making some primality tests for unknown groups
288 * The callback is only called for a non default group.
290 * An application does not need the call back at all if
291 * only the standard groups are used. In real life situations,
292 * client and server already share well known groups,
293 * thus there is no need to verify them.
294 * Furthermore, in case that a server actually proposes a group that
295 * is not one of those defined in RFC 5054, it is more appropriate
296 * to add the group to a static list and then compare since
297 * primality tests are rather cpu consuming.
300 static int ssl_srp_verify_param_cb(SSL *s, void *arg)
302 SRP_ARG *srp_arg = (SRP_ARG *)arg;
303 BIGNUM *N = NULL, *g = NULL;
305 if (((N = SSL_get_srp_N(s)) == NULL) || ((g = SSL_get_srp_g(s)) == NULL))
307 if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1) {
308 BIO_printf(bio_err, "SRP parameters:\n");
309 BIO_printf(bio_err, "\tN=");
310 BN_print(bio_err, N);
311 BIO_printf(bio_err, "\n\tg=");
312 BN_print(bio_err, g);
313 BIO_printf(bio_err, "\n");
316 if (SRP_check_known_gN_param(g, N))
319 if (srp_arg->amp == 1) {
322 "SRP param N and g are not known params, going to check deeper.\n");
325 * The srp_moregroups is a real debugging feature. Implementors
326 * should rather add the value to the known ones. The minimal size
327 * has already been tested.
329 if (BN_num_bits(g) <= BN_BITS && srp_Verify_N_and_g(N, g))
332 BIO_printf(bio_err, "SRP param N and g rejected.\n");
336 # define PWD_STRLEN 1024
338 static char *ssl_give_srp_client_pwd_cb(SSL *s, void *arg)
340 SRP_ARG *srp_arg = (SRP_ARG *)arg;
341 char *pass = app_malloc(PWD_STRLEN + 1, "SRP password buffer");
345 cb_tmp.password = (char *)srp_arg->srppassin;
346 cb_tmp.prompt_info = "SRP user";
347 if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp)) < 0) {
348 BIO_printf(bio_err, "Can't read Password\n");
359 #ifndef OPENSSL_NO_NEXTPROTONEG
360 /* This the context that we pass to next_proto_cb */
361 typedef struct tlsextnextprotoctx_st {
365 } tlsextnextprotoctx;
367 static tlsextnextprotoctx next_proto;
369 static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen,
370 const unsigned char *in, unsigned int inlen,
373 tlsextnextprotoctx *ctx = arg;
376 /* We can assume that |in| is syntactically valid. */
378 BIO_printf(bio_c_out, "Protocols advertised by server: ");
379 for (i = 0; i < inlen;) {
381 BIO_write(bio_c_out, ", ", 2);
382 BIO_write(bio_c_out, &in[i + 1], in[i]);
385 BIO_write(bio_c_out, "\n", 1);
389 SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len);
390 return SSL_TLSEXT_ERR_OK;
392 #endif /* ndef OPENSSL_NO_NEXTPROTONEG */
394 static int serverinfo_cli_parse_cb(SSL *s, unsigned int ext_type,
395 const unsigned char *in, size_t inlen,
399 unsigned char ext_buf[4 + 65536];
401 /* Reconstruct the type/len fields prior to extension data */
402 inlen &= 0xffff; /* for formal memcmpy correctness */
403 ext_buf[0] = (unsigned char)(ext_type >> 8);
404 ext_buf[1] = (unsigned char)(ext_type);
405 ext_buf[2] = (unsigned char)(inlen >> 8);
406 ext_buf[3] = (unsigned char)(inlen);
407 memcpy(ext_buf + 4, in, inlen);
409 BIO_snprintf(pem_name, sizeof(pem_name), "SERVERINFO FOR EXTENSION %d",
411 PEM_write_bio(bio_c_out, pem_name, "", ext_buf, 4 + inlen);
416 * Hex decoder that tolerates optional whitespace. Returns number of bytes
417 * produced, advances inptr to end of input string.
419 static ossl_ssize_t hexdecode(const char **inptr, void *result)
421 unsigned char **out = (unsigned char **)result;
422 const char *in = *inptr;
423 unsigned char *ret = app_malloc(strlen(in) / 2, "hexdecode");
424 unsigned char *cp = ret;
431 for (byte = 0; *in; ++in) {
434 if (isspace(_UC(*in)))
436 x = OPENSSL_hexchar2int(*in);
442 if ((nibble ^= 1) == 0) {
455 return cp - (*out = ret);
459 * Decode unsigned 0..255, returns 1 on success, <= 0 on failure. Advances
460 * inptr to next field skipping leading whitespace.
462 static ossl_ssize_t checked_uint8(const char **inptr, void *out)
464 uint8_t *result = (uint8_t *)out;
465 const char *in = *inptr;
471 v = strtol(in, &endp, 10);
474 if (((v == LONG_MIN || v == LONG_MAX) && e == ERANGE) ||
475 endp == in || !isspace(_UC(*endp)) ||
476 v != (*result = (uint8_t) v)) {
479 for (in = endp; isspace(_UC(*in)); ++in)
489 ossl_ssize_t (*parser)(const char **, void *);
492 static int tlsa_import_rr(SSL *con, const char *rrdata)
494 /* Not necessary to re-init these values; the "parsers" do that. */
495 static uint8_t usage;
496 static uint8_t selector;
497 static uint8_t mtype;
498 static unsigned char *data;
499 static struct tlsa_field tlsa_fields[] = {
500 { &usage, "usage", checked_uint8 },
501 { &selector, "selector", checked_uint8 },
502 { &mtype, "mtype", checked_uint8 },
503 { &data, "data", hexdecode },
506 struct tlsa_field *f;
508 const char *cp = rrdata;
509 ossl_ssize_t len = 0;
511 for (f = tlsa_fields; f->var; ++f) {
512 /* Returns number of bytes produced, advances cp to next field */
513 if ((len = f->parser(&cp, f->var)) <= 0) {
514 BIO_printf(bio_err, "%s: warning: bad TLSA %s field in: %s\n",
515 prog, f->name, rrdata);
519 /* The data field is last, so len is its length */
520 ret = SSL_dane_tlsa_add(con, usage, selector, mtype, data, len);
524 ERR_print_errors(bio_err);
525 BIO_printf(bio_err, "%s: warning: unusable TLSA rrdata: %s\n",
530 ERR_print_errors(bio_err);
531 BIO_printf(bio_err, "%s: warning: error loading TLSA rrdata: %s\n",
538 static int tlsa_import_rrset(SSL *con, STACK_OF(OPENSSL_STRING) *rrset)
540 int num = sk_OPENSSL_STRING_num(rrset);
544 for (i = 0; i < num; ++i) {
545 char *rrdata = sk_OPENSSL_STRING_value(rrset, i);
546 if (tlsa_import_rr(con, rrdata) > 0)
552 typedef enum OPTION_choice {
553 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
554 OPT_4, OPT_6, OPT_HOST, OPT_PORT, OPT_CONNECT, OPT_BIND, OPT_UNIX,
555 OPT_XMPPHOST, OPT_VERIFY, OPT_NAMEOPT,
556 OPT_CERT, OPT_CRL, OPT_CRL_DOWNLOAD, OPT_SESS_OUT, OPT_SESS_IN,
557 OPT_CERTFORM, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET,
558 OPT_BRIEF, OPT_PREXIT, OPT_CRLF, OPT_QUIET, OPT_NBIO,
559 OPT_SSL_CLIENT_ENGINE, OPT_IGN_EOF, OPT_NO_IGN_EOF,
560 OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_WDEBUG,
561 OPT_MSG, OPT_MSGFILE, OPT_ENGINE, OPT_TRACE, OPT_SECURITY_DEBUG,
562 OPT_SECURITY_DEBUG_VERBOSE, OPT_SHOWCERTS, OPT_NBIO_TEST, OPT_STATE,
563 OPT_PSK_IDENTITY, OPT_PSK, OPT_PSK_SESS,
564 #ifndef OPENSSL_NO_SRP
565 OPT_SRPUSER, OPT_SRPPASS, OPT_SRP_STRENGTH, OPT_SRP_LATEUSER,
568 OPT_SSL3, OPT_SSL_CONFIG,
569 OPT_TLS1_3, OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1,
570 OPT_DTLS1_2, OPT_SCTP, OPT_TIMEOUT, OPT_MTU, OPT_KEYFORM, OPT_PASS,
571 OPT_CERT_CHAIN, OPT_KEY, OPT_RECONNECT, OPT_BUILD_CHAIN,
572 OPT_NEXTPROTONEG, OPT_ALPN,
573 OPT_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH,
574 OPT_CAFILE, OPT_NOCAFILE, OPT_CHAINCAFILE, OPT_VERIFYCAFILE,
575 OPT_CASTORE, OPT_NOCASTORE, OPT_CHAINCASTORE, OPT_VERIFYCASTORE,
576 OPT_SERVERINFO, OPT_STARTTLS, OPT_SERVERNAME, OPT_NOSERVERNAME, OPT_ASYNC,
577 OPT_USE_SRTP, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN, OPT_PROTOHOST,
578 OPT_MAXFRAGLEN, OPT_MAX_SEND_FRAG, OPT_SPLIT_SEND_FRAG, OPT_MAX_PIPELINES,
579 OPT_READ_BUF, OPT_KEYLOG_FILE, OPT_EARLY_DATA, OPT_REQCAFILE,
582 OPT_S_ENUM, OPT_IGNORE_UNEXPECTED_EOF,
583 OPT_FALLBACKSCSV, OPT_NOCMDS, OPT_PROXY, OPT_PROXY_USER, OPT_PROXY_PASS,
584 OPT_DANE_TLSA_DOMAIN,
585 #ifndef OPENSSL_NO_CT
586 OPT_CT, OPT_NOCT, OPT_CTLOG_FILE,
588 OPT_DANE_TLSA_RRDATA, OPT_DANE_EE_NO_NAME,
591 OPT_R_ENUM, OPT_PROV_ENUM
594 const OPTIONS s_client_options[] = {
595 {OPT_HELP_STR, 1, '-', "Usage: %s [options] [host:port]\n"},
597 OPT_SECTION("General"),
598 {"help", OPT_HELP, '-', "Display this summary"},
599 #ifndef OPENSSL_NO_ENGINE
600 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
601 {"ssl_client_engine", OPT_SSL_CLIENT_ENGINE, 's',
602 "Specify engine to be used for client certificate operations"},
604 {"ssl_config", OPT_SSL_CONFIG, 's', "Use specified section for SSL_CTX configuration"},
605 #ifndef OPENSSL_NO_CT
606 {"ct", OPT_CT, '-', "Request and parse SCTs (also enables OCSP stapling)"},
607 {"noct", OPT_NOCT, '-', "Do not request or parse SCTs (default)"},
608 {"ctlogfile", OPT_CTLOG_FILE, '<', "CT log list CONF file"},
611 OPT_SECTION("Network"),
612 {"host", OPT_HOST, 's', "Use -connect instead"},
613 {"port", OPT_PORT, 'p', "Use -connect instead"},
614 {"connect", OPT_CONNECT, 's',
615 "TCP/IP where to connect (default is :" PORT ")"},
616 {"bind", OPT_BIND, 's', "bind local address for connection"},
617 {"proxy", OPT_PROXY, 's',
618 "Connect to via specified proxy to the real server"},
619 {"proxy_user", OPT_PROXY_USER, 's', "UserID for proxy authentication"},
620 {"proxy_pass", OPT_PROXY_PASS, 's', "Proxy authentication password source"},
622 {"unix", OPT_UNIX, 's', "Connect over the specified Unix-domain socket"},
624 {"4", OPT_4, '-', "Use IPv4 only"},
626 {"6", OPT_6, '-', "Use IPv6 only"},
628 {"maxfraglen", OPT_MAXFRAGLEN, 'p',
629 "Enable Maximum Fragment Length Negotiation (len values: 512, 1024, 2048 and 4096)"},
630 {"max_send_frag", OPT_MAX_SEND_FRAG, 'p', "Maximum Size of send frames "},
631 {"split_send_frag", OPT_SPLIT_SEND_FRAG, 'p',
632 "Size used to split data for encrypt pipelines"},
633 {"max_pipelines", OPT_MAX_PIPELINES, 'p',
634 "Maximum number of encrypt/decrypt pipelines to be used"},
635 {"read_buf", OPT_READ_BUF, 'p',
636 "Default read buffer size to be used for connections"},
637 {"fallback_scsv", OPT_FALLBACKSCSV, '-', "Send the fallback SCSV"},
639 OPT_SECTION("Identity"),
640 {"cert", OPT_CERT, '<', "Client certificate file to use"},
641 {"certform", OPT_CERTFORM, 'F',
642 "Client certificate file format (PEM/DER/P12); has no effect"},
643 {"cert_chain", OPT_CERT_CHAIN, '<',
644 "Client certificate chain file (in PEM format)"},
645 {"build_chain", OPT_BUILD_CHAIN, '-', "Build client certificate chain"},
646 {"key", OPT_KEY, 's', "Private key file to use; default is: -cert file"},
647 {"keyform", OPT_KEYFORM, 'E', "Key format (ENGINE, other values ignored)"},
648 {"pass", OPT_PASS, 's', "Private key file pass phrase source"},
649 {"verify", OPT_VERIFY, 'p', "Turn on peer certificate verification"},
650 {"nameopt", OPT_NAMEOPT, 's', "Certificate subject/issuer name printing options"},
651 {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
652 {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
653 {"CAstore", OPT_CASTORE, ':', "URI to store of CA's"},
654 {"no-CAfile", OPT_NOCAFILE, '-',
655 "Do not load the default certificates file"},
656 {"no-CApath", OPT_NOCAPATH, '-',
657 "Do not load certificates from the default certificates directory"},
658 {"no-CAstore", OPT_NOCASTORE, '-',
659 "Do not load certificates from the default certificates store"},
660 {"requestCAfile", OPT_REQCAFILE, '<',
661 "PEM format file of CA names to send to the server"},
662 {"dane_tlsa_domain", OPT_DANE_TLSA_DOMAIN, 's', "DANE TLSA base domain"},
663 {"dane_tlsa_rrdata", OPT_DANE_TLSA_RRDATA, 's',
664 "DANE TLSA rrdata presentation form"},
665 {"dane_ee_no_namechecks", OPT_DANE_EE_NO_NAME, '-',
666 "Disable name checks when matching DANE-EE(3) TLSA records"},
667 {"psk_identity", OPT_PSK_IDENTITY, 's', "PSK identity"},
668 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"},
669 {"psk_session", OPT_PSK_SESS, '<', "File to read PSK SSL session from"},
670 {"name", OPT_PROTOHOST, 's',
671 "Hostname to use for \"-starttls lmtp\", \"-starttls smtp\" or \"-starttls xmpp[-server]\""},
673 OPT_SECTION("Session"),
674 {"reconnect", OPT_RECONNECT, '-',
675 "Drop and re-make the connection with the same Session-ID"},
676 {"sess_out", OPT_SESS_OUT, '>', "File to write SSL session to"},
677 {"sess_in", OPT_SESS_IN, '<', "File to read SSL session from"},
679 OPT_SECTION("Input/Output"),
680 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"},
681 {"quiet", OPT_QUIET, '-', "No s_client output"},
682 {"ign_eof", OPT_IGN_EOF, '-', "Ignore input eof (default when -quiet)"},
683 {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Don't ignore input eof"},
684 {"starttls", OPT_STARTTLS, 's',
685 "Use the appropriate STARTTLS command before starting TLS"},
686 {"xmpphost", OPT_XMPPHOST, 's',
687 "Alias of -name option for \"-starttls xmpp[-server]\""},
688 {"brief", OPT_BRIEF, '-',
689 "Restrict output to brief summary of connection parameters"},
690 {"prexit", OPT_PREXIT, '-',
691 "Print session information when the program exits"},
693 OPT_SECTION("Debug"),
694 {"showcerts", OPT_SHOWCERTS, '-',
695 "Show all certificates sent by the server"},
696 {"debug", OPT_DEBUG, '-', "Extra output"},
697 {"msg", OPT_MSG, '-', "Show protocol messages"},
698 {"msgfile", OPT_MSGFILE, '>',
699 "File to send output of -msg or -trace, instead of stdout"},
700 {"nbio_test", OPT_NBIO_TEST, '-', "More ssl protocol testing"},
701 {"state", OPT_STATE, '-', "Print the ssl states"},
702 {"keymatexport", OPT_KEYMATEXPORT, 's',
703 "Export keying material using label"},
704 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
705 "Export len bytes of keying material (default 20)"},
706 {"security_debug", OPT_SECURITY_DEBUG, '-',
707 "Enable security debug messages"},
708 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-',
709 "Output more security debug output"},
710 #ifndef OPENSSL_NO_SSL_TRACE
711 {"trace", OPT_TRACE, '-', "Show trace output of protocol messages"},
714 {"wdebug", OPT_WDEBUG, '-', "WATT-32 tcp debugging"},
716 {"keylogfile", OPT_KEYLOG_FILE, '>', "Write TLS secrets to file"},
717 {"nocommands", OPT_NOCMDS, '-', "Do not use interactive command letters"},
718 {"servername", OPT_SERVERNAME, 's',
719 "Set TLS extension servername (SNI) in ClientHello (default)"},
720 {"noservername", OPT_NOSERVERNAME, '-',
721 "Do not send the server name (SNI) extension in the ClientHello"},
722 {"tlsextdebug", OPT_TLSEXTDEBUG, '-',
723 "Hex dump of all TLS extensions received"},
724 {"ignore_unexpected_eof", OPT_IGNORE_UNEXPECTED_EOF, '-',
725 "Do not treat lack of close_notify from a peer as an error"},
726 #ifndef OPENSSL_NO_OCSP
727 {"status", OPT_STATUS, '-', "Request certificate status from server"},
729 {"serverinfo", OPT_SERVERINFO, 's',
730 "types Send empty ClientHello extensions (comma-separated numbers)"},
731 {"alpn", OPT_ALPN, 's',
732 "Enable ALPN extension, considering named protocols supported (comma-separated list)"},
733 {"async", OPT_ASYNC, '-', "Support asynchronous operation"},
734 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"},
736 OPT_SECTION("Protocol and version"),
737 #ifndef OPENSSL_NO_SSL3
738 {"ssl3", OPT_SSL3, '-', "Just use SSLv3"},
740 #ifndef OPENSSL_NO_TLS1
741 {"tls1", OPT_TLS1, '-', "Just use TLSv1"},
743 #ifndef OPENSSL_NO_TLS1_1
744 {"tls1_1", OPT_TLS1_1, '-', "Just use TLSv1.1"},
746 #ifndef OPENSSL_NO_TLS1_2
747 {"tls1_2", OPT_TLS1_2, '-', "Just use TLSv1.2"},
749 #ifndef OPENSSL_NO_TLS1_3
750 {"tls1_3", OPT_TLS1_3, '-', "Just use TLSv1.3"},
752 #ifndef OPENSSL_NO_DTLS
753 {"dtls", OPT_DTLS, '-', "Use any version of DTLS"},
754 {"timeout", OPT_TIMEOUT, '-',
755 "Enable send/receive timeout on DTLS connections"},
756 {"mtu", OPT_MTU, 'p', "Set the link layer MTU"},
758 #ifndef OPENSSL_NO_DTLS1
759 {"dtls1", OPT_DTLS1, '-', "Just use DTLSv1"},
761 #ifndef OPENSSL_NO_DTLS1_2
762 {"dtls1_2", OPT_DTLS1_2, '-', "Just use DTLSv1.2"},
764 #ifndef OPENSSL_NO_SCTP
765 {"sctp", OPT_SCTP, '-', "Use SCTP"},
766 {"sctp_label_bug", OPT_SCTP_LABEL_BUG, '-', "Enable SCTP label length bug"},
768 #ifndef OPENSSL_NO_NEXTPROTONEG
769 {"nextprotoneg", OPT_NEXTPROTONEG, 's',
770 "Enable NPN extension, considering named protocols supported (comma-separated list)"},
772 {"early_data", OPT_EARLY_DATA, '<', "File to send as early data"},
773 {"enable_pha", OPT_ENABLE_PHA, '-', "Enable post-handshake-authentication"},
774 #ifndef OPENSSL_NO_SRTP
775 {"use_srtp", OPT_USE_SRTP, 's',
776 "Offer SRTP key management with a colon-separated profile list"},
778 #ifndef OPENSSL_NO_SRP
779 {"srpuser", OPT_SRPUSER, 's', "SRP authentication for 'user'"},
780 {"srppass", OPT_SRPPASS, 's', "Password for 'user'"},
781 {"srp_lateuser", OPT_SRP_LATEUSER, '-',
782 "SRP username into second ClientHello message"},
783 {"srp_moregroups", OPT_SRP_MOREGROUPS, '-',
784 "Tolerate other than the known g N values."},
785 {"srp_strength", OPT_SRP_STRENGTH, 'p', "Minimal length in bits for N"},
791 {"CRL", OPT_CRL, '<', "CRL file to use"},
792 {"crl_download", OPT_CRL_DOWNLOAD, '-', "Download CRL from distribution points"},
793 {"CRLform", OPT_CRLFORM, 'F', "CRL format (PEM or DER) PEM is default"},
794 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-',
795 "Close connection on verification error"},
796 {"verify_quiet", OPT_VERIFY_QUIET, '-', "Restrict verify output to errors"},
797 {"chainCAfile", OPT_CHAINCAFILE, '<',
798 "CA file for certificate chain (PEM format)"},
799 {"chainCApath", OPT_CHAINCAPATH, '/',
800 "Use dir as certificate store path to build CA certificate chain"},
801 {"chainCAstore", OPT_CHAINCASTORE, ':',
802 "CA store URI for certificate chain"},
803 {"verifyCAfile", OPT_VERIFYCAFILE, '<',
804 "CA file for certificate verification (PEM format)"},
805 {"verifyCApath", OPT_VERIFYCAPATH, '/',
806 "Use dir as certificate store path to verify CA certificate"},
807 {"verifyCAstore", OPT_VERIFYCASTORE, ':',
808 "CA store URI for certificate verification"},
813 {"host:port", 0, 0, "Where to connect; same as -connect option"},
817 typedef enum PROTOCOL_choice {
836 static const OPT_PAIR services[] = {
837 {"smtp", PROTO_SMTP},
838 {"pop3", PROTO_POP3},
839 {"imap", PROTO_IMAP},
841 {"xmpp", PROTO_XMPP},
842 {"xmpp-server", PROTO_XMPP_SERVER},
843 {"telnet", PROTO_TELNET},
845 {"mysql", PROTO_MYSQL},
846 {"postgres", PROTO_POSTGRES},
847 {"lmtp", PROTO_LMTP},
848 {"nntp", PROTO_NNTP},
849 {"sieve", PROTO_SIEVE},
850 {"ldap", PROTO_LDAP},
854 #define IS_INET_FLAG(o) \
855 (o == OPT_4 || o == OPT_6 || o == OPT_HOST || o == OPT_PORT || o == OPT_CONNECT)
856 #define IS_UNIX_FLAG(o) (o == OPT_UNIX)
858 #define IS_PROT_FLAG(o) \
859 (o == OPT_SSL3 || o == OPT_TLS1 || o == OPT_TLS1_1 || o == OPT_TLS1_2 \
860 || o == OPT_TLS1_3 || o == OPT_DTLS || o == OPT_DTLS1 || o == OPT_DTLS1_2)
862 /* Free |*dest| and optionally set it to a copy of |source|. */
863 static void freeandcopy(char **dest, const char *source)
868 *dest = OPENSSL_strdup(source);
871 static int new_session_cb(SSL *s, SSL_SESSION *sess)
874 if (sess_out != NULL) {
875 BIO *stmp = BIO_new_file(sess_out, "w");
878 BIO_printf(bio_err, "Error writing session file %s\n", sess_out);
880 PEM_write_bio_SSL_SESSION(stmp, sess);
886 * Session data gets dumped on connection for TLSv1.2 and below, and on
887 * arrival of the NewSessionTicket for TLSv1.3.
889 if (SSL_version(s) == TLS1_3_VERSION) {
890 BIO_printf(bio_c_out,
891 "---\nPost-Handshake New Session Ticket arrived:\n");
892 SSL_SESSION_print(bio_c_out, sess);
893 BIO_printf(bio_c_out, "---\n");
897 * We always return a "fail" response so that the session gets freed again
898 * because we haven't used the reference.
903 int s_client_main(int argc, char **argv)
906 EVP_PKEY *key = NULL;
909 STACK_OF(X509) *chain = NULL;
911 X509_VERIFY_PARAM *vpm = NULL;
912 SSL_EXCERT *exc = NULL;
913 SSL_CONF_CTX *cctx = NULL;
914 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
915 char *dane_tlsa_domain = NULL;
916 STACK_OF(OPENSSL_STRING) *dane_tlsa_rrset = NULL;
917 int dane_ee_no_name = 0;
918 STACK_OF(X509_CRL) *crls = NULL;
919 const SSL_METHOD *meth = TLS_client_method();
920 const char *CApath = NULL, *CAfile = NULL, *CAstore = NULL;
921 char *cbuf = NULL, *sbuf = NULL, *mbuf = NULL;
922 char *proxystr = NULL, *proxyuser = NULL;
923 char *proxypassarg = NULL, *proxypass = NULL;
924 char *connectstr = NULL, *bindstr = NULL;
925 char *cert_file = NULL, *key_file = NULL, *chain_file = NULL;
926 char *chCApath = NULL, *chCAfile = NULL, *chCAstore = NULL, *host = NULL;
927 char *thost = NULL, *tport = NULL;
928 char *port = OPENSSL_strdup(PORT);
929 char *bindhost = NULL, *bindport = NULL;
930 char *passarg = NULL, *pass = NULL;
931 char *vfyCApath = NULL, *vfyCAfile = NULL, *vfyCAstore = NULL;
932 char *ReqCAfile = NULL;
933 char *sess_in = NULL, *crl_file = NULL, *p;
934 const char *protohost = NULL;
935 struct timeval timeout, *timeoutp;
936 fd_set readfds, writefds;
937 int noCApath = 0, noCAfile = 0, noCAstore = 0;
938 int build_chain = 0, cbuf_len, cbuf_off, cert_format = FORMAT_PEM;
939 int key_format = FORMAT_PEM, crlf = 0, full_log = 1, mbuf_len = 0;
942 int reconnect = 0, verify = SSL_VERIFY_NONE, vpmtouched = 0;
943 int ret = 1, in_init = 1, i, nbio_test = 0, sock = -1, k, width, state = 0;
944 int sbuf_len, sbuf_off, cmdletters = 1;
945 int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM, protocol = 0;
946 int starttls_proto = PROTO_OFF, crl_format = FORMAT_PEM, crl_download = 0;
947 int write_tty, read_tty, write_ssl, read_ssl, tty_on, ssl_pending;
948 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
951 int read_buf_len = 0;
952 int fallback_scsv = 0;
954 #ifndef OPENSSL_NO_DTLS
955 int enable_timeouts = 0;
958 #ifndef OPENSSL_NO_ENGINE
959 ENGINE *ssl_client_engine = NULL;
962 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
965 const char *servername = NULL;
966 int noservername = 0;
967 const char *alpn_in = NULL;
968 tlsextctx tlsextcbp = { NULL, 0 };
969 const char *ssl_config = NULL;
970 #define MAX_SI_TYPES 100
971 unsigned short serverinfo_types[MAX_SI_TYPES];
972 int serverinfo_count = 0, start = 0, len;
973 #ifndef OPENSSL_NO_NEXTPROTONEG
974 const char *next_proto_neg_in = NULL;
976 #ifndef OPENSSL_NO_SRP
977 char *srppass = NULL;
978 int srp_lateuser = 0;
979 SRP_ARG srp_arg = { NULL, NULL, 0, 0, 0, 1024 };
981 #ifndef OPENSSL_NO_SRTP
982 char *srtp_profiles = NULL;
984 #ifndef OPENSSL_NO_CT
985 char *ctlog_file = NULL;
986 int ct_validation = 0;
988 int min_version = 0, max_version = 0, prot_opt = 0, no_prot_opt = 0;
990 unsigned int max_send_fragment = 0;
991 unsigned int split_send_fragment = 0, max_pipelines = 0;
992 enum { use_inet, use_unix, use_unknown } connect_type = use_unknown;
994 uint8_t maxfraglen = 0;
995 int c_nbio = 0, c_msg = 0, c_ign_eof = 0, c_brief = 0;
996 int c_tlsextdebug = 0;
997 #ifndef OPENSSL_NO_OCSP
998 int c_status_req = 0;
1000 BIO *bio_c_msg = NULL;
1001 const char *keylog_file = NULL, *early_data_file = NULL;
1002 #ifndef OPENSSL_NO_DTLS
1005 char *psksessf = NULL;
1007 #ifndef OPENSSL_NO_SCTP
1008 int sctp_label_bug = 0;
1010 int ignore_unexpected_eof = 0;
1014 /* Known false-positive of MemorySanitizer. */
1015 #if defined(__has_feature)
1016 # if __has_feature(memory_sanitizer)
1017 __msan_unpoison(&readfds, sizeof(readfds));
1018 __msan_unpoison(&writefds, sizeof(writefds));
1022 prog = opt_progname(argv[0]);
1027 vpm = X509_VERIFY_PARAM_new();
1028 cctx = SSL_CONF_CTX_new();
1030 if (vpm == NULL || cctx == NULL) {
1031 BIO_printf(bio_err, "%s: out of memory\n", prog);
1035 cbuf = app_malloc(BUFSIZZ, "cbuf");
1036 sbuf = app_malloc(BUFSIZZ, "sbuf");
1037 mbuf = app_malloc(BUFSIZZ, "mbuf");
1039 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT | SSL_CONF_FLAG_CMDLINE);
1041 prog = opt_init(argc, argv, s_client_options);
1042 while ((o = opt_next()) != OPT_EOF) {
1043 /* Check for intermixing flags. */
1044 if (connect_type == use_unix && IS_INET_FLAG(o)) {
1046 "%s: Intermixed protocol flags (unix and internet domains)\n",
1050 if (connect_type == use_inet && IS_UNIX_FLAG(o)) {
1052 "%s: Intermixed protocol flags (internet and unix domains)\n",
1057 if (IS_PROT_FLAG(o) && ++prot_opt > 1) {
1058 BIO_printf(bio_err, "Cannot supply multiple protocol flags\n");
1061 if (IS_NO_PROT_FLAG(o))
1063 if (prot_opt == 1 && no_prot_opt) {
1065 "Cannot supply both a protocol flag and '-no_<prot>'\n");
1073 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
1076 opt_help(s_client_options);
1080 connect_type = use_inet;
1081 socket_family = AF_INET;
1086 connect_type = use_inet;
1087 socket_family = AF_INET6;
1092 connect_type = use_inet;
1093 freeandcopy(&host, opt_arg());
1096 connect_type = use_inet;
1097 freeandcopy(&port, opt_arg());
1100 connect_type = use_inet;
1101 freeandcopy(&connectstr, opt_arg());
1104 freeandcopy(&bindstr, opt_arg());
1107 proxystr = opt_arg();
1108 starttls_proto = PROTO_CONNECT;
1110 case OPT_PROXY_USER:
1111 proxyuser = opt_arg();
1113 case OPT_PROXY_PASS:
1114 proxypassarg = opt_arg();
1118 connect_type = use_unix;
1119 socket_family = AF_UNIX;
1120 freeandcopy(&host, opt_arg());
1124 /* fall through, since this is an alias */
1126 protohost = opt_arg();
1129 verify = SSL_VERIFY_PEER;
1130 verify_args.depth = atoi(opt_arg());
1132 BIO_printf(bio_err, "verify depth is %d\n", verify_args.depth);
1135 cert_file = opt_arg();
1138 if (!set_nameopt(opt_arg()))
1142 crl_file = opt_arg();
1144 case OPT_CRL_DOWNLOAD:
1148 sess_out = opt_arg();
1151 sess_in = opt_arg();
1154 if (!opt_format(opt_arg(), OPT_FMT_ANY, &cert_format))
1158 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
1161 case OPT_VERIFY_RET_ERROR:
1162 verify = SSL_VERIFY_PEER;
1163 verify_args.return_error = 1;
1165 case OPT_VERIFY_QUIET:
1166 verify_args.quiet = 1;
1169 c_brief = verify_args.quiet = c_quiet = 1;
1172 if (ssl_args == NULL)
1173 ssl_args = sk_OPENSSL_STRING_new_null();
1174 if (ssl_args == NULL
1175 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
1176 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
1177 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1182 if (!opt_verify(o, vpm))
1187 if (!args_excert(o, &exc))
1190 case OPT_IGNORE_UNEXPECTED_EOF:
1191 ignore_unexpected_eof = 1;
1200 c_quiet = c_ign_eof = 1;
1209 e = setup_engine(opt_arg(), 1);
1211 case OPT_SSL_CLIENT_ENGINE:
1212 #ifndef OPENSSL_NO_ENGINE
1213 ssl_client_engine = ENGINE_by_id(opt_arg());
1214 if (ssl_client_engine == NULL) {
1215 BIO_printf(bio_err, "Error getting client auth engine\n");
1224 case OPT_PROV_CASES:
1225 if (!opt_provider(o))
1231 case OPT_NO_IGN_EOF:
1237 case OPT_TLSEXTDEBUG:
1241 #ifndef OPENSSL_NO_OCSP
1254 bio_c_msg = BIO_new_file(opt_arg(), "w");
1257 #ifndef OPENSSL_NO_SSL_TRACE
1261 case OPT_SECURITY_DEBUG:
1264 case OPT_SECURITY_DEBUG_VERBOSE:
1276 case OPT_PSK_IDENTITY:
1277 psk_identity = opt_arg();
1280 for (p = psk_key = opt_arg(); *p; p++) {
1281 if (isxdigit(_UC(*p)))
1283 BIO_printf(bio_err, "Not a hex number '%s'\n", psk_key);
1288 psksessf = opt_arg();
1290 #ifndef OPENSSL_NO_SRP
1292 srp_arg.srplogin = opt_arg();
1293 if (min_version < TLS1_VERSION)
1294 min_version = TLS1_VERSION;
1297 srppass = opt_arg();
1298 if (min_version < TLS1_VERSION)
1299 min_version = TLS1_VERSION;
1301 case OPT_SRP_STRENGTH:
1302 srp_arg.strength = atoi(opt_arg());
1303 BIO_printf(bio_err, "SRP minimal length for N is %d\n",
1305 if (min_version < TLS1_VERSION)
1306 min_version = TLS1_VERSION;
1308 case OPT_SRP_LATEUSER:
1310 if (min_version < TLS1_VERSION)
1311 min_version = TLS1_VERSION;
1313 case OPT_SRP_MOREGROUPS:
1315 if (min_version < TLS1_VERSION)
1316 min_version = TLS1_VERSION;
1319 case OPT_SSL_CONFIG:
1320 ssl_config = opt_arg();
1323 min_version = SSL3_VERSION;
1324 max_version = SSL3_VERSION;
1325 socket_type = SOCK_STREAM;
1326 #ifndef OPENSSL_NO_DTLS
1331 min_version = TLS1_3_VERSION;
1332 max_version = TLS1_3_VERSION;
1333 socket_type = SOCK_STREAM;
1334 #ifndef OPENSSL_NO_DTLS
1339 min_version = TLS1_2_VERSION;
1340 max_version = TLS1_2_VERSION;
1341 socket_type = SOCK_STREAM;
1342 #ifndef OPENSSL_NO_DTLS
1347 min_version = TLS1_1_VERSION;
1348 max_version = TLS1_1_VERSION;
1349 socket_type = SOCK_STREAM;
1350 #ifndef OPENSSL_NO_DTLS
1355 min_version = TLS1_VERSION;
1356 max_version = TLS1_VERSION;
1357 socket_type = SOCK_STREAM;
1358 #ifndef OPENSSL_NO_DTLS
1363 #ifndef OPENSSL_NO_DTLS
1364 meth = DTLS_client_method();
1365 socket_type = SOCK_DGRAM;
1370 #ifndef OPENSSL_NO_DTLS1
1371 meth = DTLS_client_method();
1372 min_version = DTLS1_VERSION;
1373 max_version = DTLS1_VERSION;
1374 socket_type = SOCK_DGRAM;
1379 #ifndef OPENSSL_NO_DTLS1_2
1380 meth = DTLS_client_method();
1381 min_version = DTLS1_2_VERSION;
1382 max_version = DTLS1_2_VERSION;
1383 socket_type = SOCK_DGRAM;
1388 #ifndef OPENSSL_NO_SCTP
1389 protocol = IPPROTO_SCTP;
1392 case OPT_SCTP_LABEL_BUG:
1393 #ifndef OPENSSL_NO_SCTP
1398 #ifndef OPENSSL_NO_DTLS
1399 enable_timeouts = 1;
1403 #ifndef OPENSSL_NO_DTLS
1404 socket_mtu = atol(opt_arg());
1407 case OPT_FALLBACKSCSV:
1411 if (!opt_format(opt_arg(), OPT_FMT_ANY, &key_format))
1415 passarg = opt_arg();
1417 case OPT_CERT_CHAIN:
1418 chain_file = opt_arg();
1421 key_file = opt_arg();
1432 case OPT_CHAINCAPATH:
1433 chCApath = opt_arg();
1435 case OPT_VERIFYCAPATH:
1436 vfyCApath = opt_arg();
1438 case OPT_BUILD_CHAIN:
1442 ReqCAfile = opt_arg();
1450 #ifndef OPENSSL_NO_CT
1457 case OPT_CTLOG_FILE:
1458 ctlog_file = opt_arg();
1461 case OPT_CHAINCAFILE:
1462 chCAfile = opt_arg();
1464 case OPT_VERIFYCAFILE:
1465 vfyCAfile = opt_arg();
1468 CAstore = opt_arg();
1473 case OPT_CHAINCASTORE:
1474 chCAstore = opt_arg();
1476 case OPT_VERIFYCASTORE:
1477 vfyCAstore = opt_arg();
1479 case OPT_DANE_TLSA_DOMAIN:
1480 dane_tlsa_domain = opt_arg();
1482 case OPT_DANE_TLSA_RRDATA:
1483 if (dane_tlsa_rrset == NULL)
1484 dane_tlsa_rrset = sk_OPENSSL_STRING_new_null();
1485 if (dane_tlsa_rrset == NULL ||
1486 !sk_OPENSSL_STRING_push(dane_tlsa_rrset, opt_arg())) {
1487 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1491 case OPT_DANE_EE_NO_NAME:
1492 dane_ee_no_name = 1;
1494 case OPT_NEXTPROTONEG:
1495 #ifndef OPENSSL_NO_NEXTPROTONEG
1496 next_proto_neg_in = opt_arg();
1500 alpn_in = opt_arg();
1502 case OPT_SERVERINFO:
1505 for (start = 0, i = 0; i <= len; ++i) {
1506 if (i == len || p[i] == ',') {
1507 serverinfo_types[serverinfo_count] = atoi(p + start);
1508 if (++serverinfo_count == MAX_SI_TYPES)
1515 if (!opt_pair(opt_arg(), services, &starttls_proto))
1518 case OPT_SERVERNAME:
1519 servername = opt_arg();
1521 case OPT_NOSERVERNAME:
1525 #ifndef OPENSSL_NO_SRTP
1526 srtp_profiles = opt_arg();
1529 case OPT_KEYMATEXPORT:
1530 keymatexportlabel = opt_arg();
1532 case OPT_KEYMATEXPORTLEN:
1533 keymatexportlen = atoi(opt_arg());
1538 case OPT_MAXFRAGLEN:
1539 len = atoi(opt_arg());
1542 maxfraglen = TLSEXT_max_fragment_length_512;
1545 maxfraglen = TLSEXT_max_fragment_length_1024;
1548 maxfraglen = TLSEXT_max_fragment_length_2048;
1551 maxfraglen = TLSEXT_max_fragment_length_4096;
1555 "%s: Max Fragment Len %u is out of permitted values",
1560 case OPT_MAX_SEND_FRAG:
1561 max_send_fragment = atoi(opt_arg());
1563 case OPT_SPLIT_SEND_FRAG:
1564 split_send_fragment = atoi(opt_arg());
1566 case OPT_MAX_PIPELINES:
1567 max_pipelines = atoi(opt_arg());
1570 read_buf_len = atoi(opt_arg());
1572 case OPT_KEYLOG_FILE:
1573 keylog_file = opt_arg();
1575 case OPT_EARLY_DATA:
1576 early_data_file = opt_arg();
1578 case OPT_ENABLE_PHA:
1584 if (count4or6 >= 2) {
1585 BIO_printf(bio_err, "%s: Can't use both -4 and -6\n", prog);
1589 if (servername != NULL) {
1591 "%s: Can't use -servername and -noservername together\n",
1595 if (dane_tlsa_domain != NULL) {
1597 "%s: Can't use -dane_tlsa_domain and -noservername together\n",
1602 argc = opt_num_rest();
1604 /* If there's a positional argument, it's the equivalent of
1606 * Don't allow -connect and a separate argument.
1608 if (connectstr != NULL) {
1610 "%s: must not provide both -connect option and target parameter\n",
1614 connect_type = use_inet;
1615 freeandcopy(&connectstr, *opt_rest());
1616 } else if (argc != 0) {
1620 #ifndef OPENSSL_NO_NEXTPROTONEG
1621 if (min_version == TLS1_3_VERSION && next_proto_neg_in != NULL) {
1622 BIO_printf(bio_err, "Cannot supply -nextprotoneg with TLSv1.3\n");
1627 if (connectstr != NULL) {
1629 char *tmp_host = host, *tmp_port = port;
1631 res = BIO_parse_hostserv(connectstr, &host, &port, BIO_PARSE_PRIO_HOST);
1632 if (tmp_host != host)
1633 OPENSSL_free(tmp_host);
1634 if (tmp_port != port)
1635 OPENSSL_free(tmp_port);
1638 "%s: -connect argument or target parameter malformed or ambiguous\n",
1644 if (proxystr != NULL) {
1646 char *tmp_host = host, *tmp_port = port;
1648 if (host == NULL || port == NULL) {
1649 BIO_printf(bio_err, "%s: -proxy requires use of -connect or target parameter\n", prog);
1653 /* Retain the original target host:port for use in the HTTP proxy connect string */
1654 thost = OPENSSL_strdup(host);
1655 tport = OPENSSL_strdup(port);
1656 if (thost == NULL || tport == NULL) {
1657 BIO_printf(bio_err, "%s: out of memory\n", prog);
1661 res = BIO_parse_hostserv(proxystr, &host, &port, BIO_PARSE_PRIO_HOST);
1662 if (tmp_host != host)
1663 OPENSSL_free(tmp_host);
1664 if (tmp_port != port)
1665 OPENSSL_free(tmp_port);
1668 "%s: -proxy argument malformed or ambiguous\n", prog);
1673 if (bindstr != NULL) {
1675 res = BIO_parse_hostserv(bindstr, &bindhost, &bindport,
1676 BIO_PARSE_PRIO_HOST);
1679 "%s: -bind argument parameter malformed or ambiguous\n",
1686 if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) {
1688 "Can't use unix sockets and datagrams together\n");
1693 #ifndef OPENSSL_NO_SCTP
1694 if (protocol == IPPROTO_SCTP) {
1695 if (socket_type != SOCK_DGRAM) {
1696 BIO_printf(bio_err, "Can't use -sctp without DTLS\n");
1699 /* SCTP is unusual. It uses DTLS over a SOCK_STREAM protocol */
1700 socket_type = SOCK_STREAM;
1704 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1705 next_proto.status = -1;
1706 if (next_proto_neg_in) {
1708 next_protos_parse(&next_proto.len, next_proto_neg_in);
1709 if (next_proto.data == NULL) {
1710 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n");
1714 next_proto.data = NULL;
1717 if (!app_passwd(passarg, NULL, &pass, NULL)) {
1718 BIO_printf(bio_err, "Error getting private key password\n");
1722 if (!app_passwd(proxypassarg, NULL, &proxypass, NULL)) {
1723 BIO_printf(bio_err, "Error getting proxy password\n");
1727 if (proxypass != NULL && proxyuser == NULL) {
1728 BIO_printf(bio_err, "Error: Must specify proxy_user with proxy_pass\n");
1732 if (key_file == NULL)
1733 key_file = cert_file;
1735 if (key_file != NULL) {
1736 key = load_key(key_file, key_format, 0, pass, e,
1737 "client certificate private key file");
1742 if (cert_file != NULL) {
1743 cert = load_cert(cert_file, cert_format, "client certificate file");
1748 if (chain_file != NULL) {
1749 if (!load_certs(chain_file, &chain, FORMAT_PEM, NULL,
1750 "client certificate chain"))
1754 if (crl_file != NULL) {
1756 crl = load_crl(crl_file, crl_format, "CRL");
1759 crls = sk_X509_CRL_new_null();
1760 if (crls == NULL || !sk_X509_CRL_push(crls, crl)) {
1761 BIO_puts(bio_err, "Error adding CRL\n");
1762 ERR_print_errors(bio_err);
1768 if (!load_excert(&exc))
1771 if (bio_c_out == NULL) {
1772 if (c_quiet && !c_debug) {
1773 bio_c_out = BIO_new(BIO_s_null());
1774 if (c_msg && bio_c_msg == NULL)
1775 bio_c_msg = dup_bio_out(FORMAT_TEXT);
1776 } else if (bio_c_out == NULL)
1777 bio_c_out = dup_bio_out(FORMAT_TEXT);
1779 #ifndef OPENSSL_NO_SRP
1780 if (!app_passwd(srppass, NULL, &srp_arg.srppassin, NULL)) {
1781 BIO_printf(bio_err, "Error getting password\n");
1786 ctx = SSL_CTX_new(meth);
1788 ERR_print_errors(bio_err);
1792 SSL_CTX_clear_mode(ctx, SSL_MODE_AUTO_RETRY);
1795 ssl_ctx_security_debug(ctx, sdebug);
1797 if (!config_ctx(cctx, ssl_args, ctx))
1800 if (ssl_config != NULL) {
1801 if (SSL_CTX_config(ctx, ssl_config) == 0) {
1802 BIO_printf(bio_err, "Error using configuration \"%s\"\n",
1804 ERR_print_errors(bio_err);
1809 #ifndef OPENSSL_NO_SCTP
1810 if (protocol == IPPROTO_SCTP && sctp_label_bug == 1)
1811 SSL_CTX_set_mode(ctx, SSL_MODE_DTLS_SCTP_LABEL_LENGTH_BUG);
1814 if (min_version != 0
1815 && SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
1817 if (max_version != 0
1818 && SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
1821 if (ignore_unexpected_eof)
1822 SSL_CTX_set_options(ctx, SSL_OP_IGNORE_UNEXPECTED_EOF);
1824 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
1825 BIO_printf(bio_err, "Error setting verify params\n");
1826 ERR_print_errors(bio_err);
1831 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
1834 if (max_send_fragment > 0
1835 && !SSL_CTX_set_max_send_fragment(ctx, max_send_fragment)) {
1836 BIO_printf(bio_err, "%s: Max send fragment size %u is out of permitted range\n",
1837 prog, max_send_fragment);
1841 if (split_send_fragment > 0
1842 && !SSL_CTX_set_split_send_fragment(ctx, split_send_fragment)) {
1843 BIO_printf(bio_err, "%s: Split send fragment size %u is out of permitted range\n",
1844 prog, split_send_fragment);
1848 if (max_pipelines > 0
1849 && !SSL_CTX_set_max_pipelines(ctx, max_pipelines)) {
1850 BIO_printf(bio_err, "%s: Max pipelines %u is out of permitted range\n",
1851 prog, max_pipelines);
1855 if (read_buf_len > 0) {
1856 SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len);
1860 && !SSL_CTX_set_tlsext_max_fragment_length(ctx, maxfraglen)) {
1862 "%s: Max Fragment Length code %u is out of permitted values"
1863 "\n", prog, maxfraglen);
1867 if (!ssl_load_stores(ctx,
1868 vfyCApath, vfyCAfile, vfyCAstore,
1869 chCApath, chCAfile, chCAstore,
1870 crls, crl_download)) {
1871 BIO_printf(bio_err, "Error loading store locations\n");
1872 ERR_print_errors(bio_err);
1875 if (ReqCAfile != NULL) {
1876 STACK_OF(X509_NAME) *nm = sk_X509_NAME_new_null();
1878 if (nm == NULL || !SSL_add_file_cert_subjects_to_stack(nm, ReqCAfile)) {
1879 sk_X509_NAME_pop_free(nm, X509_NAME_free);
1880 BIO_printf(bio_err, "Error loading CA names\n");
1881 ERR_print_errors(bio_err);
1884 SSL_CTX_set0_CA_list(ctx, nm);
1886 #ifndef OPENSSL_NO_ENGINE
1887 if (ssl_client_engine) {
1888 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine)) {
1889 BIO_puts(bio_err, "Error setting client auth engine\n");
1890 ERR_print_errors(bio_err);
1891 ENGINE_free(ssl_client_engine);
1894 ENGINE_free(ssl_client_engine);
1898 #ifndef OPENSSL_NO_PSK
1899 if (psk_key != NULL) {
1901 BIO_printf(bio_c_out, "PSK key given, setting client callback\n");
1902 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
1905 if (psksessf != NULL) {
1906 BIO *stmp = BIO_new_file(psksessf, "r");
1909 BIO_printf(bio_err, "Can't open PSK session file %s\n", psksessf);
1910 ERR_print_errors(bio_err);
1913 psksess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1915 if (psksess == NULL) {
1916 BIO_printf(bio_err, "Can't read PSK session file %s\n", psksessf);
1917 ERR_print_errors(bio_err);
1921 if (psk_key != NULL || psksess != NULL)
1922 SSL_CTX_set_psk_use_session_callback(ctx, psk_use_session_cb);
1924 #ifndef OPENSSL_NO_SRTP
1925 if (srtp_profiles != NULL) {
1926 /* Returns 0 on success! */
1927 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
1928 BIO_printf(bio_err, "Error setting SRTP profile\n");
1929 ERR_print_errors(bio_err);
1936 ssl_ctx_set_excert(ctx, exc);
1938 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1939 if (next_proto.data != NULL)
1940 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
1944 unsigned char *alpn = next_protos_parse(&alpn_len, alpn_in);
1947 BIO_printf(bio_err, "Error parsing -alpn argument\n");
1950 /* Returns 0 on success! */
1951 if (SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len) != 0) {
1952 BIO_printf(bio_err, "Error setting ALPN\n");
1958 for (i = 0; i < serverinfo_count; i++) {
1959 if (!SSL_CTX_add_client_custom_ext(ctx,
1960 serverinfo_types[i],
1962 serverinfo_cli_parse_cb, NULL)) {
1964 "Warning: Unable to add custom extension %u, skipping\n",
1965 serverinfo_types[i]);
1970 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1972 #ifndef OPENSSL_NO_CT
1973 /* Enable SCT processing, without early connection termination */
1974 if (ct_validation &&
1975 !SSL_CTX_enable_ct(ctx, SSL_CT_VALIDATION_PERMISSIVE)) {
1976 ERR_print_errors(bio_err);
1980 if (!ctx_set_ctlog_list_file(ctx, ctlog_file)) {
1981 if (ct_validation) {
1982 ERR_print_errors(bio_err);
1987 * If CT validation is not enabled, the log list isn't needed so don't
1988 * show errors or abort. We try to load it regardless because then we
1989 * can show the names of the logs any SCTs came from (SCTs may be seen
1990 * even with validation disabled).
1996 SSL_CTX_set_verify(ctx, verify, verify_callback);
1998 if (!ctx_set_verify_locations(ctx, CAfile, noCAfile, CApath, noCApath,
1999 CAstore, noCAstore)) {
2000 ERR_print_errors(bio_err);
2004 ssl_ctx_add_crls(ctx, crls, crl_download);
2006 if (!set_cert_key_stuff(ctx, cert, key, chain, build_chain))
2009 if (!noservername) {
2010 tlsextcbp.biodebug = bio_err;
2011 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
2012 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
2014 # ifndef OPENSSL_NO_SRP
2015 if (srp_arg.srplogin) {
2016 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin)) {
2017 BIO_printf(bio_err, "Unable to set SRP username\n");
2020 srp_arg.msg = c_msg;
2021 srp_arg.debug = c_debug;
2022 SSL_CTX_set_srp_cb_arg(ctx, &srp_arg);
2023 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb);
2024 SSL_CTX_set_srp_strength(ctx, srp_arg.strength);
2025 if (c_msg || c_debug || srp_arg.amp == 0)
2026 SSL_CTX_set_srp_verify_param_callback(ctx,
2027 ssl_srp_verify_param_cb);
2031 if (dane_tlsa_domain != NULL) {
2032 if (SSL_CTX_dane_enable(ctx) <= 0) {
2034 "%s: Error enabling DANE TLSA authentication.\n",
2036 ERR_print_errors(bio_err);
2042 * In TLSv1.3 NewSessionTicket messages arrive after the handshake and can
2043 * come at any time. Therefore we use a callback to write out the session
2044 * when we know about it. This approach works for < TLSv1.3 as well.
2046 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_CLIENT
2047 | SSL_SESS_CACHE_NO_INTERNAL_STORE);
2048 SSL_CTX_sess_set_new_cb(ctx, new_session_cb);
2050 if (set_keylog_file(ctx, keylog_file))
2058 SSL_set_post_handshake_auth(con, 1);
2060 if (sess_in != NULL) {
2062 BIO *stmp = BIO_new_file(sess_in, "r");
2064 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
2065 ERR_print_errors(bio_err);
2068 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
2071 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
2072 ERR_print_errors(bio_err);
2075 if (!SSL_set_session(con, sess)) {
2076 BIO_printf(bio_err, "Can't set session\n");
2077 ERR_print_errors(bio_err);
2081 SSL_SESSION_free(sess);
2085 SSL_set_mode(con, SSL_MODE_SEND_FALLBACK_SCSV);
2087 if (!noservername && (servername != NULL || dane_tlsa_domain == NULL)) {
2088 if (servername == NULL) {
2089 if(host == NULL || is_dNS_name(host))
2090 servername = (host == NULL) ? "localhost" : host;
2092 if (servername != NULL && !SSL_set_tlsext_host_name(con, servername)) {
2093 BIO_printf(bio_err, "Unable to set TLS servername extension.\n");
2094 ERR_print_errors(bio_err);
2099 if (dane_tlsa_domain != NULL) {
2100 if (SSL_dane_enable(con, dane_tlsa_domain) <= 0) {
2101 BIO_printf(bio_err, "%s: Error enabling DANE TLSA "
2102 "authentication.\n", prog);
2103 ERR_print_errors(bio_err);
2106 if (dane_tlsa_rrset == NULL) {
2107 BIO_printf(bio_err, "%s: DANE TLSA authentication requires at "
2108 "least one -dane_tlsa_rrdata option.\n", prog);
2111 if (tlsa_import_rrset(con, dane_tlsa_rrset) <= 0) {
2112 BIO_printf(bio_err, "%s: Failed to import any TLSA "
2113 "records.\n", prog);
2116 if (dane_ee_no_name)
2117 SSL_dane_set_flags(con, DANE_FLAG_NO_DANE_EE_NAMECHECKS);
2118 } else if (dane_tlsa_rrset != NULL) {
2119 BIO_printf(bio_err, "%s: DANE TLSA authentication requires the "
2120 "-dane_tlsa_domain option.\n", prog);
2125 if (init_client(&sock, host, port, bindhost, bindport, socket_family,
2126 socket_type, protocol) == 0) {
2127 BIO_printf(bio_err, "connect:errno=%d\n", get_last_socket_error());
2128 BIO_closesocket(sock);
2131 BIO_printf(bio_c_out, "CONNECTED(%08X)\n", sock);
2134 if (!BIO_socket_nbio(sock, 1)) {
2135 ERR_print_errors(bio_err);
2138 BIO_printf(bio_c_out, "Turned on non blocking io\n");
2140 #ifndef OPENSSL_NO_DTLS
2142 union BIO_sock_info_u peer_info;
2144 #ifndef OPENSSL_NO_SCTP
2145 if (protocol == IPPROTO_SCTP)
2146 sbio = BIO_new_dgram_sctp(sock, BIO_NOCLOSE);
2149 sbio = BIO_new_dgram(sock, BIO_NOCLOSE);
2151 if ((peer_info.addr = BIO_ADDR_new()) == NULL) {
2152 BIO_printf(bio_err, "memory allocation failure\n");
2153 BIO_closesocket(sock);
2156 if (!BIO_sock_info(sock, BIO_SOCK_INFO_ADDRESS, &peer_info)) {
2157 BIO_printf(bio_err, "getsockname:errno=%d\n",
2158 get_last_socket_error());
2159 BIO_ADDR_free(peer_info.addr);
2160 BIO_closesocket(sock);
2164 (void)BIO_ctrl_set_connected(sbio, peer_info.addr);
2165 BIO_ADDR_free(peer_info.addr);
2166 peer_info.addr = NULL;
2168 if (enable_timeouts) {
2170 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2171 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2174 timeout.tv_usec = DGRAM_SND_TIMEOUT;
2175 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2179 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
2180 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
2181 DTLS_get_link_min_mtu(con));
2185 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2186 if (!DTLS_set_link_mtu(con, socket_mtu)) {
2187 BIO_printf(bio_err, "Failed to set MTU\n");
2192 /* want to do MTU discovery */
2193 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2196 #endif /* OPENSSL_NO_DTLS */
2197 sbio = BIO_new_socket(sock, BIO_NOCLOSE);
2202 test = BIO_new(BIO_f_nbio_test());
2203 sbio = BIO_push(test, sbio);
2207 BIO_set_callback(sbio, bio_dump_callback);
2208 BIO_set_callback_arg(sbio, (char *)bio_c_out);
2211 #ifndef OPENSSL_NO_SSL_TRACE
2213 SSL_set_msg_callback(con, SSL_trace);
2216 SSL_set_msg_callback(con, msg_cb);
2217 SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out);
2220 if (c_tlsextdebug) {
2221 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2222 SSL_set_tlsext_debug_arg(con, bio_c_out);
2224 #ifndef OPENSSL_NO_OCSP
2226 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
2227 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
2228 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
2232 SSL_set_bio(con, sbio, sbio);
2233 SSL_set_connect_state(con);
2235 /* ok, lets connect */
2236 if (fileno_stdin() > SSL_get_fd(con))
2237 width = fileno_stdin() + 1;
2239 width = SSL_get_fd(con) + 1;
2252 switch ((PROTOCOL_CHOICE) starttls_proto) {
2259 * This is an ugly hack that does a lot of assumptions. We do
2260 * have to handle multi-line responses which may come in a single
2261 * packet or not. We therefore have to use BIO_gets() which does
2262 * need a buffering BIO. So during the initial chitchat we do
2263 * push a buffering BIO into the chain that is removed again
2264 * later on to not disturb the rest of the s_client operation.
2267 BIO *fbio = BIO_new(BIO_f_buffer());
2269 BIO_push(fbio, sbio);
2270 /* Wait for multi-line response to end from LMTP or SMTP */
2272 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2273 } while (mbuf_len > 3 && mbuf[3] == '-');
2274 if (protohost == NULL)
2275 protohost = "mail.example.com";
2276 if (starttls_proto == (int)PROTO_LMTP)
2277 BIO_printf(fbio, "LHLO %s\r\n", protohost);
2279 BIO_printf(fbio, "EHLO %s\r\n", protohost);
2280 (void)BIO_flush(fbio);
2282 * Wait for multi-line response to end LHLO LMTP or EHLO SMTP
2286 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2287 if (strstr(mbuf, "STARTTLS"))
2289 } while (mbuf_len > 3 && mbuf[3] == '-');
2290 (void)BIO_flush(fbio);
2295 "Didn't find STARTTLS in server response,"
2296 " trying anyway...\n");
2297 BIO_printf(sbio, "STARTTLS\r\n");
2298 BIO_read(sbio, sbuf, BUFSIZZ);
2303 BIO_read(sbio, mbuf, BUFSIZZ);
2304 BIO_printf(sbio, "STLS\r\n");
2305 mbuf_len = BIO_read(sbio, sbuf, BUFSIZZ);
2307 BIO_printf(bio_err, "BIO_read failed\n");
2315 BIO *fbio = BIO_new(BIO_f_buffer());
2317 BIO_push(fbio, sbio);
2318 BIO_gets(fbio, mbuf, BUFSIZZ);
2319 /* STARTTLS command requires CAPABILITY... */
2320 BIO_printf(fbio, ". CAPABILITY\r\n");
2321 (void)BIO_flush(fbio);
2322 /* wait for multi-line CAPABILITY response */
2324 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2325 if (strstr(mbuf, "STARTTLS"))
2328 while (mbuf_len > 3 && mbuf[0] != '.');
2329 (void)BIO_flush(fbio);
2334 "Didn't find STARTTLS in server response,"
2335 " trying anyway...\n");
2336 BIO_printf(sbio, ". STARTTLS\r\n");
2337 BIO_read(sbio, sbuf, BUFSIZZ);
2342 BIO *fbio = BIO_new(BIO_f_buffer());
2344 BIO_push(fbio, sbio);
2345 /* wait for multi-line response to end from FTP */
2347 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2349 while (mbuf_len > 3 && (!isdigit(mbuf[0]) || !isdigit(mbuf[1]) || !isdigit(mbuf[2]) || mbuf[3] != ' '));
2350 (void)BIO_flush(fbio);
2353 BIO_printf(sbio, "AUTH TLS\r\n");
2354 BIO_read(sbio, sbuf, BUFSIZZ);
2358 case PROTO_XMPP_SERVER:
2361 BIO_printf(sbio, "<stream:stream "
2362 "xmlns:stream='http://etherx.jabber.org/streams' "
2363 "xmlns='jabber:%s' to='%s' version='1.0'>",
2364 starttls_proto == PROTO_XMPP ? "client" : "server",
2365 protohost ? protohost : host);
2366 seen = BIO_read(sbio, mbuf, BUFSIZZ);
2368 BIO_printf(bio_err, "BIO_read failed\n");
2373 (mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")
2375 "<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\""))
2377 seen = BIO_read(sbio, mbuf, BUFSIZZ);
2385 "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
2386 seen = BIO_read(sbio, sbuf, BUFSIZZ);
2388 BIO_printf(bio_err, "BIO_read failed\n");
2392 if (!strstr(sbuf, "<proceed"))
2399 static const unsigned char tls_do[] = {
2400 /* IAC DO START_TLS */
2403 static const unsigned char tls_will[] = {
2404 /* IAC WILL START_TLS */
2407 static const unsigned char tls_follows[] = {
2408 /* IAC SB START_TLS FOLLOWS IAC SE */
2409 255, 250, 46, 1, 255, 240
2413 /* Telnet server should demand we issue START_TLS */
2414 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
2415 if (bytes != 3 || memcmp(mbuf, tls_do, 3) != 0)
2417 /* Agree to issue START_TLS and send the FOLLOWS sub-command */
2418 BIO_write(sbio, tls_will, 3);
2419 BIO_write(sbio, tls_follows, 6);
2420 (void)BIO_flush(sbio);
2421 /* Telnet server also sent the FOLLOWS sub-command */
2422 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
2423 if (bytes != 6 || memcmp(mbuf, tls_follows, 6) != 0)
2428 /* Here we must use the connect string target host & port */
2429 if (!OSSL_HTTP_proxy_connect(sbio, thost, tport, proxyuser, proxypass,
2430 0 /* no timeout */, bio_err, prog))
2436 BIO *fbio = BIO_new(BIO_f_buffer());
2438 BIO_push(fbio, sbio);
2439 BIO_printf(fbio, "STARTTLS\r\n");
2440 (void)BIO_flush(fbio);
2441 width = SSL_get_fd(con) + 1;
2447 openssl_fdset(SSL_get_fd(con), &readfds);
2448 timeout.tv_sec = S_CLIENT_IRC_READ_TIMEOUT;
2449 timeout.tv_usec = 0;
2451 * If the IRCd doesn't respond within
2452 * S_CLIENT_IRC_READ_TIMEOUT seconds, assume
2453 * it doesn't support STARTTLS. Many IRCds
2454 * will not give _any_ sort of response to a
2455 * STARTTLS command when it's not supported.
2457 if (!BIO_get_buffer_num_lines(fbio)
2458 && !BIO_pending(fbio)
2459 && !BIO_pending(sbio)
2460 && select(width, (void *)&readfds, NULL, NULL,
2463 "Timeout waiting for response (%d seconds).\n",
2464 S_CLIENT_IRC_READ_TIMEOUT);
2468 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2469 if (mbuf_len < 1 || sscanf(mbuf, "%*s %d", &numeric) != 1)
2471 /* :example.net 451 STARTTLS :You have not registered */
2472 /* :example.net 421 STARTTLS :Unknown command */
2473 if ((numeric == 451 || numeric == 421)
2474 && strstr(mbuf, "STARTTLS") != NULL) {
2475 BIO_printf(bio_err, "STARTTLS not supported: %s", mbuf);
2478 if (numeric == 691) {
2479 BIO_printf(bio_err, "STARTTLS negotiation failed: ");
2480 ERR_print_errors(bio_err);
2483 } while (numeric != 670);
2485 (void)BIO_flush(fbio);
2488 if (numeric != 670) {
2489 BIO_printf(bio_err, "Server does not support STARTTLS.\n");
2497 /* SSL request packet */
2498 static const unsigned char ssl_req[] = {
2499 /* payload_length, sequence_id */
2500 0x20, 0x00, 0x00, 0x01,
2502 /* capability flags, CLIENT_SSL always set */
2503 0x85, 0xae, 0x7f, 0x00,
2504 /* max-packet size */
2505 0x00, 0x00, 0x00, 0x01,
2508 /* string[23] reserved (all [0]) */
2509 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
2510 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
2511 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
2514 int ssl_flg = 0x800;
2516 const unsigned char *packet = (const unsigned char *)sbuf;
2518 /* Receiving Initial Handshake packet. */
2519 bytes = BIO_read(sbio, (void *)packet, BUFSIZZ);
2521 BIO_printf(bio_err, "BIO_read failed\n");
2523 /* Packet length[3], Packet number[1] + minimum payload[17] */
2524 } else if (bytes < 21) {
2525 BIO_printf(bio_err, "MySQL packet too short.\n");
2527 } else if (bytes != (4 + packet[0] +
2529 (packet[2] << 16))) {
2530 BIO_printf(bio_err, "MySQL packet length does not match.\n");
2532 /* protocol version[1] */
2533 } else if (packet[4] != 0xA) {
2535 "Only MySQL protocol version 10 is supported.\n");
2540 /* server version[string+NULL] */
2543 BIO_printf(bio_err, "Cannot confirm server version. ");
2545 } else if (packet[pos++] == '\0') {
2550 /* make sure we have at least 15 bytes left in the packet */
2551 if (pos + 15 > bytes) {
2553 "MySQL server handshake packet is broken.\n");
2557 pos += 12; /* skip over conn id[4] + SALT[8] */
2558 if (packet[pos++] != '\0') { /* verify filler */
2560 "MySQL packet is broken.\n");
2564 /* capability flags[2] */
2565 if (!((packet[pos] + (packet[pos + 1] << 8)) & ssl_flg)) {
2566 BIO_printf(bio_err, "MySQL server does not support SSL.\n");
2570 /* Sending SSL Handshake packet. */
2571 BIO_write(sbio, ssl_req, sizeof(ssl_req));
2572 (void)BIO_flush(sbio);
2575 case PROTO_POSTGRES:
2577 static const unsigned char ssl_request[] = {
2578 /* Length SSLRequest */
2579 0, 0, 0, 8, 4, 210, 22, 47
2583 /* Send SSLRequest packet */
2584 BIO_write(sbio, ssl_request, 8);
2585 (void)BIO_flush(sbio);
2587 /* Reply will be a single S if SSL is enabled */
2588 bytes = BIO_read(sbio, sbuf, BUFSIZZ);
2589 if (bytes != 1 || sbuf[0] != 'S')
2596 BIO *fbio = BIO_new(BIO_f_buffer());
2598 BIO_push(fbio, sbio);
2599 BIO_gets(fbio, mbuf, BUFSIZZ);
2600 /* STARTTLS command requires CAPABILITIES... */
2601 BIO_printf(fbio, "CAPABILITIES\r\n");
2602 (void)BIO_flush(fbio);
2603 BIO_gets(fbio, mbuf, BUFSIZZ);
2604 /* no point in trying to parse the CAPABILITIES response if there is none */
2605 if (strstr(mbuf, "101") != NULL) {
2606 /* wait for multi-line CAPABILITIES response */
2608 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2609 if (strstr(mbuf, "STARTTLS"))
2611 } while (mbuf_len > 1 && mbuf[0] != '.');
2613 (void)BIO_flush(fbio);
2618 "Didn't find STARTTLS in server response,"
2619 " trying anyway...\n");
2620 BIO_printf(sbio, "STARTTLS\r\n");
2621 mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ);
2623 BIO_printf(bio_err, "BIO_read failed\n");
2626 mbuf[mbuf_len] = '\0';
2627 if (strstr(mbuf, "382") == NULL) {
2628 BIO_printf(bio_err, "STARTTLS failed: %s", mbuf);
2636 BIO *fbio = BIO_new(BIO_f_buffer());
2638 BIO_push(fbio, sbio);
2639 /* wait for multi-line response to end from Sieve */
2641 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2643 * According to RFC 5804 § 1.7, capability
2644 * is case-insensitive, make it uppercase
2646 if (mbuf_len > 1 && mbuf[0] == '"') {
2647 make_uppercase(mbuf);
2648 if (strncmp(mbuf, "\"STARTTLS\"", 10) == 0)
2651 } while (mbuf_len > 1 && mbuf[0] == '"');
2652 (void)BIO_flush(fbio);
2657 "Didn't find STARTTLS in server response,"
2658 " trying anyway...\n");
2659 BIO_printf(sbio, "STARTTLS\r\n");
2660 mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ);
2662 BIO_printf(bio_err, "BIO_read failed\n");
2665 mbuf[mbuf_len] = '\0';
2667 BIO_printf(bio_err, "STARTTLS failed: %s", mbuf);
2671 * According to RFC 5804 § 2.2, response codes are case-
2672 * insensitive, make it uppercase but preserve the response.
2674 strncpy(sbuf, mbuf, 2);
2675 make_uppercase(sbuf);
2676 if (strncmp(sbuf, "OK", 2) != 0) {
2677 BIO_printf(bio_err, "STARTTLS not supported: %s", mbuf);
2684 /* StartTLS Operation according to RFC 4511 */
2685 static char ldap_tls_genconf[] = "asn1=SEQUENCE:LDAPMessage\n"
2687 "messageID=INTEGER:1\n"
2688 "extendedReq=EXPLICIT:23A,IMPLICIT:0C,"
2689 "FORMAT:ASCII,OCT:1.3.6.1.4.1.1466.20037\n";
2691 char *genstr = NULL;
2693 ASN1_TYPE *atyp = NULL;
2694 BIO *ldapbio = BIO_new(BIO_s_mem());
2695 CONF *cnf = NCONF_new(NULL);
2701 BIO_puts(ldapbio, ldap_tls_genconf);
2702 if (NCONF_load_bio(cnf, ldapbio, &errline) <= 0) {
2706 BIO_printf(bio_err, "NCONF_load_bio failed\n");
2709 BIO_printf(bio_err, "Error on line %ld\n", errline);
2714 genstr = NCONF_get_string(cnf, "default", "asn1");
2715 if (genstr == NULL) {
2717 BIO_printf(bio_err, "NCONF_get_string failed\n");
2720 atyp = ASN1_generate_nconf(genstr, cnf);
2723 BIO_printf(bio_err, "ASN1_generate_nconf failed\n");
2728 /* Send SSLRequest packet */
2729 BIO_write(sbio, atyp->value.sequence->data,
2730 atyp->value.sequence->length);
2731 (void)BIO_flush(sbio);
2732 ASN1_TYPE_free(atyp);
2734 mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ);
2736 BIO_printf(bio_err, "BIO_read failed\n");
2739 result = ldap_ExtendedResponse_parse(mbuf, mbuf_len);
2741 BIO_printf(bio_err, "ldap_ExtendedResponse_parse failed\n");
2743 } else if (result > 0) {
2744 BIO_printf(bio_err, "STARTTLS failed, LDAP Result Code: %i\n",
2753 if (early_data_file != NULL
2754 && ((SSL_get0_session(con) != NULL
2755 && SSL_SESSION_get_max_early_data(SSL_get0_session(con)) > 0)
2757 && SSL_SESSION_get_max_early_data(psksess) > 0))) {
2758 BIO *edfile = BIO_new_file(early_data_file, "r");
2759 size_t readbytes, writtenbytes;
2762 if (edfile == NULL) {
2763 BIO_printf(bio_err, "Cannot open early data file\n");
2768 if (!BIO_read_ex(edfile, cbuf, BUFSIZZ, &readbytes))
2771 while (!SSL_write_early_data(con, cbuf, readbytes, &writtenbytes)) {
2772 switch (SSL_get_error(con, 0)) {
2773 case SSL_ERROR_WANT_WRITE:
2774 case SSL_ERROR_WANT_ASYNC:
2775 case SSL_ERROR_WANT_READ:
2776 /* Just keep trying - busy waiting */
2779 BIO_printf(bio_err, "Error writing early data\n");
2781 ERR_print_errors(bio_err);
2794 if (SSL_is_dtls(con) && DTLSv1_get_timeout(con, &timeout))
2795 timeoutp = &timeout;
2799 if (!SSL_is_init_finished(con) && SSL_total_renegotiations(con) == 0
2800 && SSL_get_key_update_type(con) == SSL_KEY_UPDATE_NONE) {
2809 BIO_puts(bio_err, "CONNECTION ESTABLISHED\n");
2810 print_ssl_summary(con);
2813 print_stuff(bio_c_out, con, full_log);
2817 if (starttls_proto) {
2818 BIO_write(bio_err, mbuf, mbuf_len);
2819 /* We don't need to know any more */
2821 starttls_proto = PROTO_OFF;
2826 BIO_printf(bio_c_out,
2827 "drop connection and then reconnect\n");
2828 do_ssl_shutdown(con);
2829 SSL_set_connect_state(con);
2830 BIO_closesocket(SSL_get_fd(con));
2836 ssl_pending = read_ssl && SSL_has_pending(con);
2839 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
2842 * Note that select() returns when read _would not block_,
2843 * and EOF satisfies that. To avoid a CPU-hogging loop,
2844 * set the flag so we exit.
2846 if (read_tty && !at_eof)
2847 openssl_fdset(fileno_stdin(), &readfds);
2848 #if !defined(OPENSSL_SYS_VMS)
2850 openssl_fdset(fileno_stdout(), &writefds);
2854 openssl_fdset(SSL_get_fd(con), &readfds);
2856 openssl_fdset(SSL_get_fd(con), &writefds);
2858 if (!tty_on || !write_tty) {
2860 openssl_fdset(SSL_get_fd(con), &readfds);
2862 openssl_fdset(SSL_get_fd(con), &writefds);
2867 * Note: under VMS with SOCKETSHR the second parameter is
2868 * currently of type (int *) whereas under other systems it is
2869 * (void *) if you don't have a cast it will choke the compiler:
2870 * if you do have a cast then you can either go for (int *) or
2873 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2875 * Under Windows/DOS we make the assumption that we can always
2876 * write to the tty: therefore if we need to write to the tty we
2877 * just fall through. Otherwise we timeout the select every
2878 * second and see if there are any keypresses. Note: this is a
2879 * hack, in a proper Windows application we wouldn't do this.
2886 i = select(width, (void *)&readfds, (void *)&writefds,
2888 if (!i && (!has_stdin_waiting() || !read_tty))
2891 i = select(width, (void *)&readfds, (void *)&writefds,
2895 i = select(width, (void *)&readfds, (void *)&writefds,
2899 BIO_printf(bio_err, "bad select %d\n",
2900 get_last_socket_error());
2905 if (SSL_is_dtls(con) && DTLSv1_handle_timeout(con) > 0)
2906 BIO_printf(bio_err, "TIMEOUT occurred\n");
2908 if (!ssl_pending && FD_ISSET(SSL_get_fd(con), &writefds)) {
2909 k = SSL_write(con, &(cbuf[cbuf_off]), (unsigned int)cbuf_len);
2910 switch (SSL_get_error(con, k)) {
2911 case SSL_ERROR_NONE:
2916 /* we have done a write(con,NULL,0); */
2917 if (cbuf_len <= 0) {
2920 } else { /* if (cbuf_len > 0) */
2926 case SSL_ERROR_WANT_WRITE:
2927 BIO_printf(bio_c_out, "write W BLOCK\n");
2931 case SSL_ERROR_WANT_ASYNC:
2932 BIO_printf(bio_c_out, "write A BLOCK\n");
2933 wait_for_async(con);
2937 case SSL_ERROR_WANT_READ:
2938 BIO_printf(bio_c_out, "write R BLOCK\n");
2943 case SSL_ERROR_WANT_X509_LOOKUP:
2944 BIO_printf(bio_c_out, "write X BLOCK\n");
2946 case SSL_ERROR_ZERO_RETURN:
2947 if (cbuf_len != 0) {
2948 BIO_printf(bio_c_out, "shutdown\n");
2957 case SSL_ERROR_SYSCALL:
2958 if ((k != 0) || (cbuf_len != 0)) {
2959 BIO_printf(bio_err, "write:errno=%d\n",
2960 get_last_socket_error());
2967 case SSL_ERROR_WANT_ASYNC_JOB:
2968 /* This shouldn't ever happen in s_client - treat as an error */
2970 ERR_print_errors(bio_err);
2974 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_VMS)
2975 /* Assume Windows/DOS/BeOS can always write */
2976 else if (!ssl_pending && write_tty)
2978 else if (!ssl_pending && FD_ISSET(fileno_stdout(), &writefds))
2981 #ifdef CHARSET_EBCDIC
2982 ascii2ebcdic(&(sbuf[sbuf_off]), &(sbuf[sbuf_off]), sbuf_len);
2984 i = raw_write_stdout(&(sbuf[sbuf_off]), sbuf_len);
2987 BIO_printf(bio_c_out, "DONE\n");
2994 if (sbuf_len <= 0) {
2998 } else if (ssl_pending || FD_ISSET(SSL_get_fd(con), &readfds)) {
3003 SSL_renegotiate(con);
3008 k = SSL_read(con, sbuf, 1024 /* BUFSIZZ */ );
3010 switch (SSL_get_error(con, k)) {
3011 case SSL_ERROR_NONE:
3020 case SSL_ERROR_WANT_ASYNC:
3021 BIO_printf(bio_c_out, "read A BLOCK\n");
3022 wait_for_async(con);
3025 if ((read_tty == 0) && (write_ssl == 0))
3028 case SSL_ERROR_WANT_WRITE:
3029 BIO_printf(bio_c_out, "read W BLOCK\n");
3033 case SSL_ERROR_WANT_READ:
3034 BIO_printf(bio_c_out, "read R BLOCK\n");
3037 if ((read_tty == 0) && (write_ssl == 0))
3040 case SSL_ERROR_WANT_X509_LOOKUP:
3041 BIO_printf(bio_c_out, "read X BLOCK\n");
3043 case SSL_ERROR_SYSCALL:
3044 ret = get_last_socket_error();
3046 BIO_puts(bio_err, "CONNECTION CLOSED BY SERVER\n");
3048 BIO_printf(bio_err, "read:errno=%d\n", ret);
3050 case SSL_ERROR_ZERO_RETURN:
3051 BIO_printf(bio_c_out, "closed\n");
3054 case SSL_ERROR_WANT_ASYNC_JOB:
3055 /* This shouldn't ever happen in s_client. Treat as an error */
3057 ERR_print_errors(bio_err);
3061 /* OPENSSL_SYS_MSDOS includes OPENSSL_SYS_WINDOWS */
3062 #if defined(OPENSSL_SYS_MSDOS)
3063 else if (has_stdin_waiting())
3065 else if (FD_ISSET(fileno_stdin(), &readfds))
3071 i = raw_read_stdin(cbuf, BUFSIZZ / 2);
3073 /* both loops are skipped when i <= 0 */
3074 for (j = 0; j < i; j++)
3075 if (cbuf[j] == '\n')
3077 for (j = i - 1; j >= 0; j--) {
3078 cbuf[j + lf_num] = cbuf[j];
3079 if (cbuf[j] == '\n') {
3082 cbuf[j + lf_num] = '\r';
3085 assert(lf_num == 0);
3087 i = raw_read_stdin(cbuf, BUFSIZZ);
3088 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
3093 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q' && cmdletters))) {
3094 BIO_printf(bio_err, "DONE\n");
3099 if ((!c_ign_eof) && (cbuf[0] == 'R' && cmdletters)) {
3100 BIO_printf(bio_err, "RENEGOTIATING\n");
3101 SSL_renegotiate(con);
3103 } else if (!c_ign_eof && (cbuf[0] == 'K' || cbuf[0] == 'k' )
3105 BIO_printf(bio_err, "KEYUPDATE\n");
3107 cbuf[0] == 'K' ? SSL_KEY_UPDATE_REQUESTED
3108 : SSL_KEY_UPDATE_NOT_REQUESTED);
3113 #ifdef CHARSET_EBCDIC
3114 ebcdic2ascii(cbuf, cbuf, i);
3126 print_stuff(bio_c_out, con, full_log);
3127 do_ssl_shutdown(con);
3130 * If we ended with an alert being sent, but still with data in the
3131 * network buffer to be read, then calling BIO_closesocket() will
3132 * result in a TCP-RST being sent. On some platforms (notably
3133 * Windows) then this will result in the peer immediately abandoning
3134 * the connection including any buffered alert data before it has
3135 * had a chance to be read. Shutting down the sending side first,
3136 * and then closing the socket sends TCP-FIN first followed by
3137 * TCP-RST. This seems to allow the peer to read the alert data.
3139 shutdown(SSL_get_fd(con), 1); /* SHUT_WR */
3141 * We just said we have nothing else to say, but it doesn't mean that
3142 * the other side has nothing. It's even recommended to consume incoming
3143 * data. [In testing context this ensures that alerts are passed on...]
3146 timeout.tv_usec = 500000; /* some extreme round-trip */
3149 openssl_fdset(sock, &readfds);
3150 } while (select(sock + 1, &readfds, NULL, NULL, &timeout) > 0
3151 && BIO_read(sbio, sbuf, BUFSIZZ) > 0);
3153 BIO_closesocket(SSL_get_fd(con));
3157 print_stuff(bio_c_out, con, 1);
3160 SSL_SESSION_free(psksess);
3161 #if !defined(OPENSSL_NO_NEXTPROTONEG)
3162 OPENSSL_free(next_proto.data);
3165 set_keylog_file(NULL, NULL);
3167 sk_X509_CRL_pop_free(crls, X509_CRL_free);
3169 sk_X509_pop_free(chain, X509_free);
3171 #ifndef OPENSSL_NO_SRP
3172 OPENSSL_free(srp_arg.srppassin);
3174 OPENSSL_free(connectstr);
3175 OPENSSL_free(bindstr);
3178 OPENSSL_free(thost);
3179 OPENSSL_free(tport);
3180 X509_VERIFY_PARAM_free(vpm);
3181 ssl_excert_free(exc);
3182 sk_OPENSSL_STRING_free(ssl_args);
3183 sk_OPENSSL_STRING_free(dane_tlsa_rrset);
3184 SSL_CONF_CTX_free(cctx);
3185 OPENSSL_clear_free(cbuf, BUFSIZZ);
3186 OPENSSL_clear_free(sbuf, BUFSIZZ);
3187 OPENSSL_clear_free(mbuf, BUFSIZZ);
3188 clear_free(proxypass);
3190 BIO_free(bio_c_out);
3192 BIO_free(bio_c_msg);
3197 static void print_stuff(BIO *bio, SSL *s, int full)
3201 const SSL_CIPHER *c;
3202 EVP_PKEY *public_key;
3203 int i, istls13 = (SSL_version(s) == TLS1_3_VERSION);
3205 #ifndef OPENSSL_NO_COMP
3206 const COMP_METHOD *comp, *expansion;
3208 unsigned char *exportedkeymat;
3209 #ifndef OPENSSL_NO_CT
3210 const SSL_CTX *ctx = SSL_get_SSL_CTX(s);
3214 int got_a_chain = 0;
3216 sk = SSL_get_peer_cert_chain(s);
3220 BIO_printf(bio, "---\nCertificate chain\n");
3221 for (i = 0; i < sk_X509_num(sk); i++) {
3222 BIO_printf(bio, "%2d s:", i);
3223 X509_NAME_print_ex(bio, X509_get_subject_name(sk_X509_value(sk, i)), 0, get_nameopt());
3224 BIO_puts(bio, "\n");
3225 BIO_printf(bio, " i:");
3226 X509_NAME_print_ex(bio, X509_get_issuer_name(sk_X509_value(sk, i)), 0, get_nameopt());
3227 BIO_puts(bio, "\n");
3228 public_key = X509_get_pubkey(sk_X509_value(sk, i));
3229 if (public_key != NULL) {
3230 BIO_printf(bio, " a:PKEY: %s, %d (bit); sigalg: %s\n",
3231 OBJ_nid2sn(EVP_PKEY_base_id(public_key)),
3232 EVP_PKEY_bits(public_key),
3233 OBJ_nid2sn(X509_get_signature_nid(sk_X509_value(sk, i))));
3234 EVP_PKEY_free(public_key);
3236 BIO_printf(bio, " v:NotBefore: ");
3237 ASN1_TIME_print(bio, X509_get0_notBefore(sk_X509_value(sk, i)));
3238 BIO_printf(bio, "; NotAfter: ");
3239 ASN1_TIME_print(bio, X509_get0_notAfter(sk_X509_value(sk, i)));
3240 BIO_puts(bio, "\n");
3242 PEM_write_bio_X509(bio, sk_X509_value(sk, i));
3246 BIO_printf(bio, "---\n");
3247 peer = SSL_get0_peer_certificate(s);
3249 BIO_printf(bio, "Server certificate\n");
3251 /* Redundant if we showed the whole chain */
3252 if (!(c_showcerts && got_a_chain))
3253 PEM_write_bio_X509(bio, peer);
3254 dump_cert_text(bio, peer);
3256 BIO_printf(bio, "no peer certificate available\n");
3258 print_ca_names(bio, s);
3260 ssl_print_sigalgs(bio, s);
3261 ssl_print_tmp_key(bio, s);
3263 #ifndef OPENSSL_NO_CT
3265 * When the SSL session is anonymous, or resumed via an abbreviated
3266 * handshake, no SCTs are provided as part of the handshake. While in
3267 * a resumed session SCTs may be present in the session's certificate,
3268 * no callbacks are invoked to revalidate these, and in any case that
3269 * set of SCTs may be incomplete. Thus it makes little sense to
3270 * attempt to display SCTs from a resumed session's certificate, and of
3271 * course none are associated with an anonymous peer.
3273 if (peer != NULL && !SSL_session_reused(s) && SSL_ct_is_enabled(s)) {
3274 const STACK_OF(SCT) *scts = SSL_get0_peer_scts(s);
3275 int sct_count = scts != NULL ? sk_SCT_num(scts) : 0;
3277 BIO_printf(bio, "---\nSCTs present (%i)\n", sct_count);
3278 if (sct_count > 0) {
3279 const CTLOG_STORE *log_store = SSL_CTX_get0_ctlog_store(ctx);
3281 BIO_printf(bio, "---\n");
3282 for (i = 0; i < sct_count; ++i) {
3283 SCT *sct = sk_SCT_value(scts, i);
3285 BIO_printf(bio, "SCT validation status: %s\n",
3286 SCT_validation_status_string(sct));
3287 SCT_print(sct, bio, 0, log_store);
3288 if (i < sct_count - 1)
3289 BIO_printf(bio, "\n---\n");
3291 BIO_printf(bio, "\n");
3297 "---\nSSL handshake has read %ju bytes "
3298 "and written %ju bytes\n",
3299 BIO_number_read(SSL_get_rbio(s)),
3300 BIO_number_written(SSL_get_wbio(s)));
3302 print_verify_detail(s, bio);
3303 BIO_printf(bio, (SSL_session_reused(s) ? "---\nReused, " : "---\nNew, "));
3304 c = SSL_get_current_cipher(s);
3305 BIO_printf(bio, "%s, Cipher is %s\n",
3306 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
3310 pktmp = X509_get0_pubkey(peer);
3311 BIO_printf(bio, "Server public key is %d bit\n",
3312 EVP_PKEY_bits(pktmp));
3314 BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
3315 SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
3316 #ifndef OPENSSL_NO_COMP
3317 comp = SSL_get_current_compression(s);
3318 expansion = SSL_get_current_expansion(s);
3319 BIO_printf(bio, "Compression: %s\n",
3320 comp ? SSL_COMP_get_name(comp) : "NONE");
3321 BIO_printf(bio, "Expansion: %s\n",
3322 expansion ? SSL_COMP_get_name(expansion) : "NONE");
3324 #ifndef OPENSSL_NO_KTLS
3325 if (BIO_get_ktls_send(SSL_get_wbio(s)))
3326 BIO_printf(bio_err, "Using Kernel TLS for sending\n");
3327 if (BIO_get_ktls_recv(SSL_get_rbio(s)))
3328 BIO_printf(bio_err, "Using Kernel TLS for receiving\n");
3331 if (OSSL_TRACE_ENABLED(TLS)) {
3332 /* Print out local port of connection: useful for debugging */
3334 union BIO_sock_info_u info;
3336 sock = SSL_get_fd(s);
3337 if ((info.addr = BIO_ADDR_new()) != NULL
3338 && BIO_sock_info(sock, BIO_SOCK_INFO_ADDRESS, &info)) {
3339 BIO_printf(bio_c_out, "LOCAL PORT is %u\n",
3340 ntohs(BIO_ADDR_rawport(info.addr)));
3342 BIO_ADDR_free(info.addr);
3345 #if !defined(OPENSSL_NO_NEXTPROTONEG)
3346 if (next_proto.status != -1) {
3347 const unsigned char *proto;
3348 unsigned int proto_len;
3349 SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
3350 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
3351 BIO_write(bio, proto, proto_len);
3352 BIO_write(bio, "\n", 1);
3356 const unsigned char *proto;
3357 unsigned int proto_len;
3358 SSL_get0_alpn_selected(s, &proto, &proto_len);
3359 if (proto_len > 0) {
3360 BIO_printf(bio, "ALPN protocol: ");
3361 BIO_write(bio, proto, proto_len);
3362 BIO_write(bio, "\n", 1);
3364 BIO_printf(bio, "No ALPN negotiated\n");
3367 #ifndef OPENSSL_NO_SRTP
3369 SRTP_PROTECTION_PROFILE *srtp_profile =
3370 SSL_get_selected_srtp_profile(s);
3373 BIO_printf(bio, "SRTP Extension negotiated, profile=%s\n",
3374 srtp_profile->name);
3379 switch (SSL_get_early_data_status(s)) {
3380 case SSL_EARLY_DATA_NOT_SENT:
3381 BIO_printf(bio, "Early data was not sent\n");
3384 case SSL_EARLY_DATA_REJECTED:
3385 BIO_printf(bio, "Early data was rejected\n");
3388 case SSL_EARLY_DATA_ACCEPTED:
3389 BIO_printf(bio, "Early data was accepted\n");
3395 * We also print the verify results when we dump session information,
3396 * but in TLSv1.3 we may not get that right away (or at all) depending
3397 * on when we get a NewSessionTicket. Therefore we print it now as well.
3399 verify_result = SSL_get_verify_result(s);
3400 BIO_printf(bio, "Verify return code: %ld (%s)\n", verify_result,
3401 X509_verify_cert_error_string(verify_result));
3403 /* In TLSv1.3 we do this on arrival of a NewSessionTicket */
3404 SSL_SESSION_print(bio, SSL_get_session(s));
3407 if (SSL_get_session(s) != NULL && keymatexportlabel != NULL) {
3408 BIO_printf(bio, "Keying material exporter:\n");
3409 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel);
3410 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen);
3411 exportedkeymat = app_malloc(keymatexportlen, "export key");
3412 if (!SSL_export_keying_material(s, exportedkeymat,
3415 strlen(keymatexportlabel),
3417 BIO_printf(bio, " Error\n");
3419 BIO_printf(bio, " Keying material: ");
3420 for (i = 0; i < keymatexportlen; i++)
3421 BIO_printf(bio, "%02X", exportedkeymat[i]);
3422 BIO_printf(bio, "\n");
3424 OPENSSL_free(exportedkeymat);
3426 BIO_printf(bio, "---\n");
3427 /* flush, or debugging output gets mixed with http response */
3428 (void)BIO_flush(bio);
3431 # ifndef OPENSSL_NO_OCSP
3432 static int ocsp_resp_cb(SSL *s, void *arg)
3434 const unsigned char *p;
3437 len = SSL_get_tlsext_status_ocsp_resp(s, &p);
3438 BIO_puts(arg, "OCSP response: ");
3440 BIO_puts(arg, "no response sent\n");
3443 rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
3445 BIO_puts(arg, "response parse error\n");
3446 BIO_dump_indent(arg, (char *)p, len, 4);
3449 BIO_puts(arg, "\n======================================\n");
3450 OCSP_RESPONSE_print(arg, rsp, 0);
3451 BIO_puts(arg, "======================================\n");
3452 OCSP_RESPONSE_free(rsp);
3457 static int ldap_ExtendedResponse_parse(const char *buf, long rem)
3459 const unsigned char *cur, *end;
3461 int tag, xclass, inf, ret = -1;
3463 cur = (const unsigned char *)buf;
3469 * LDAPMessage ::= SEQUENCE {
3470 * messageID MessageID,
3471 * protocolOp CHOICE {
3473 * extendedResp ExtendedResponse,
3475 * controls [0] Controls OPTIONAL }
3477 * ExtendedResponse ::= [APPLICATION 24] SEQUENCE {
3478 * COMPONENTS OF LDAPResult,
3479 * responseName [10] LDAPOID OPTIONAL,
3480 * responseValue [11] OCTET STRING OPTIONAL }
3482 * LDAPResult ::= SEQUENCE {
3483 * resultCode ENUMERATED {
3489 * diagnosticMessage LDAPString,
3490 * referral [3] Referral OPTIONAL }
3494 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3495 if (inf != V_ASN1_CONSTRUCTED || tag != V_ASN1_SEQUENCE ||
3496 (rem = end - cur, len > rem)) {
3497 BIO_printf(bio_err, "Unexpected LDAP response\n");
3501 rem = len; /* ensure that we don't overstep the SEQUENCE */
3503 /* pull MessageID */
3504 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3505 if (inf != V_ASN1_UNIVERSAL || tag != V_ASN1_INTEGER ||
3506 (rem = end - cur, len > rem)) {
3507 BIO_printf(bio_err, "No MessageID\n");
3511 cur += len; /* shall we check for MessageId match or just skip? */
3513 /* pull [APPLICATION 24] */
3515 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3516 if (inf != V_ASN1_CONSTRUCTED || xclass != V_ASN1_APPLICATION ||
3518 BIO_printf(bio_err, "Not ExtendedResponse\n");
3522 /* pull resultCode */
3524 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3525 if (inf != V_ASN1_UNIVERSAL || tag != V_ASN1_ENUMERATED || len == 0 ||
3526 (rem = end - cur, len > rem)) {
3527 BIO_printf(bio_err, "Not LDAPResult\n");
3531 /* len should always be one, but just in case... */
3532 for (ret = 0, inf = 0; inf < len; inf++) {
3536 /* There is more data, but we don't care... */
3542 * Host dNS Name verifier: used for checking that the hostname is in dNS format
3543 * before setting it as SNI
3545 static int is_dNS_name(const char *host)
3547 const size_t MAX_LABEL_LENGTH = 63;
3550 size_t length = strlen(host);
3551 size_t label_length = 0;
3552 int all_numeric = 1;
3555 * Deviation from strict DNS name syntax, also check names with '_'
3556 * Check DNS name syntax, any '-' or '.' must be internal,
3557 * and on either side of each '.' we can't have a '-' or '.'.
3559 * If the name has just one label, we don't consider it a DNS name.
3561 for (i = 0; i < length && label_length < MAX_LABEL_LENGTH; ++i) {
3564 if ((c >= 'a' && c <= 'z')
3565 || (c >= 'A' && c <= 'Z')
3572 if (c >= '0' && c <= '9') {
3577 /* Dot and hyphen cannot be first or last. */
3578 if (i > 0 && i < length - 1) {
3584 * Next to a dot the preceding and following characters must not be
3585 * another dot or a hyphen. Otherwise, record that the name is
3586 * plausible, since it has two or more labels.
3589 && host[i + 1] != '.'
3590 && host[i - 1] != '-'
3591 && host[i + 1] != '-') {
3601 /* dNS name must not be all numeric and labels must be shorter than 64 characters. */
3602 isdnsname &= !all_numeric && !(label_length == MAX_LABEL_LENGTH);
3606 #endif /* OPENSSL_NO_SOCK */