2 * Copyright 1995-2018 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/async.h>
42 #ifndef OPENSSL_NO_SRP
43 # include <openssl/srp.h>
46 # include <openssl/ct.h>
50 #include "internal/sockets.h"
52 #if defined(__has_feature)
53 # if __has_feature(memory_sanitizer)
54 # include <sanitizer/msan_interface.h>
59 #define BUFSIZZ 1024*8
60 #define S_CLIENT_IRC_READ_TIMEOUT 8
63 static int c_debug = 0;
64 static int c_showcerts = 0;
65 static char *keymatexportlabel = NULL;
66 static int keymatexportlen = 20;
67 static BIO *bio_c_out = NULL;
68 static int c_quiet = 0;
69 static char *sess_out = NULL;
70 static SSL_SESSION *psksess = NULL;
72 static void print_stuff(BIO *berr, SSL *con, int full);
73 #ifndef OPENSSL_NO_OCSP
74 static int ocsp_resp_cb(SSL *s, void *arg);
76 static int ldap_ExtendedResponse_parse(const char *buf, long rem);
77 static char *base64encode (const void *buf, size_t len);
79 static int saved_errno;
81 static void save_errno(void)
87 static int restore_errno(void)
94 static void do_ssl_shutdown(SSL *ssl)
99 /* We only do unidirectional shutdown */
100 ret = SSL_shutdown(ssl);
102 switch (SSL_get_error(ssl, ret)) {
103 case SSL_ERROR_WANT_READ:
104 case SSL_ERROR_WANT_WRITE:
105 case SSL_ERROR_WANT_ASYNC:
106 case SSL_ERROR_WANT_ASYNC_JOB:
107 /* We just do busy waiting. Nothing clever */
115 /* Default PSK identity and key */
116 static char *psk_identity = "Client_identity";
118 #ifndef OPENSSL_NO_PSK
119 static unsigned int psk_client_cb(SSL *ssl, const char *hint, char *identity,
120 unsigned int max_identity_len,
122 unsigned int max_psk_len)
129 BIO_printf(bio_c_out, "psk_client_cb\n");
131 /* no ServerKeyExchange message */
133 BIO_printf(bio_c_out,
134 "NULL received PSK identity hint, continuing anyway\n");
135 } else if (c_debug) {
136 BIO_printf(bio_c_out, "Received PSK identity hint '%s'\n", hint);
140 * lookup PSK identity and PSK key based on the given identity hint here
142 ret = BIO_snprintf(identity, max_identity_len, "%s", psk_identity);
143 if (ret < 0 || (unsigned int)ret > max_identity_len)
146 BIO_printf(bio_c_out, "created identity '%s' len=%d\n", identity,
149 /* convert the PSK key to binary */
150 key = OPENSSL_hexstr2buf(psk_key, &key_len);
152 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n",
156 if (max_psk_len > INT_MAX || key_len > (long)max_psk_len) {
158 "psk buffer of callback is too small (%d) for key (%ld)\n",
159 max_psk_len, key_len);
164 memcpy(psk, key, key_len);
168 BIO_printf(bio_c_out, "created PSK len=%ld\n", key_len);
173 BIO_printf(bio_err, "Error in PSK client callback\n");
178 const unsigned char tls13_aes128gcmsha256_id[] = { 0x13, 0x01 };
179 const unsigned char tls13_aes256gcmsha384_id[] = { 0x13, 0x02 };
181 static int psk_use_session_cb(SSL *s, const EVP_MD *md,
182 const unsigned char **id, size_t *idlen,
185 SSL_SESSION *usesess = NULL;
186 const SSL_CIPHER *cipher = NULL;
188 if (psksess != NULL) {
189 SSL_SESSION_up_ref(psksess);
193 unsigned char *key = OPENSSL_hexstr2buf(psk_key, &key_len);
196 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n",
201 /* We default to SHA-256 */
202 cipher = SSL_CIPHER_find(s, tls13_aes128gcmsha256_id);
203 if (cipher == NULL) {
204 BIO_printf(bio_err, "Error finding suitable ciphersuite\n");
209 usesess = SSL_SESSION_new();
211 || !SSL_SESSION_set1_master_key(usesess, key, key_len)
212 || !SSL_SESSION_set_cipher(usesess, cipher)
213 || !SSL_SESSION_set_protocol_version(usesess, TLS1_3_VERSION)) {
220 cipher = SSL_SESSION_get0_cipher(usesess);
224 if (md != NULL && SSL_CIPHER_get_handshake_digest(cipher) != md) {
225 /* PSK not usable, ignore it */
229 SSL_SESSION_free(usesess);
232 *id = (unsigned char *)psk_identity;
233 *idlen = strlen(psk_identity);
239 SSL_SESSION_free(usesess);
243 /* This is a context that we pass to callbacks */
244 typedef struct tlsextctx_st {
249 static int ssl_servername_cb(SSL *s, int *ad, void *arg)
251 tlsextctx *p = (tlsextctx *) arg;
252 const char *hn = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
253 if (SSL_get_servername_type(s) != -1)
254 p->ack = !SSL_session_reused(s) && hn != NULL;
256 BIO_printf(bio_err, "Can't use SSL_get_servername\n");
258 return SSL_TLSEXT_ERR_OK;
261 #ifndef OPENSSL_NO_SRP
263 /* This is a context that we pass to all callbacks */
264 typedef struct srp_arg_st {
267 int msg; /* copy from c_msg */
268 int debug; /* copy from c_debug */
269 int amp; /* allow more groups */
270 int strength; /* minimal size for N */
273 # define SRP_NUMBER_ITERATIONS_FOR_PRIME 64
275 static int srp_Verify_N_and_g(const BIGNUM *N, const BIGNUM *g)
277 BN_CTX *bn_ctx = BN_CTX_new();
278 BIGNUM *p = BN_new();
279 BIGNUM *r = BN_new();
281 g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) &&
282 BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) == 1 &&
283 p != NULL && BN_rshift1(p, N) &&
285 BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) == 1 &&
287 /* verify g^((N-1)/2) == -1 (mod N) */
288 BN_mod_exp(r, g, p, N, bn_ctx) &&
289 BN_add_word(r, 1) && BN_cmp(r, N) == 0;
298 * This callback is used here for two purposes:
299 * - extended debugging
300 * - making some primality tests for unknown groups
301 * The callback is only called for a non default group.
303 * An application does not need the call back at all if
304 * only the standard groups are used. In real life situations,
305 * client and server already share well known groups,
306 * thus there is no need to verify them.
307 * Furthermore, in case that a server actually proposes a group that
308 * is not one of those defined in RFC 5054, it is more appropriate
309 * to add the group to a static list and then compare since
310 * primality tests are rather cpu consuming.
313 static int ssl_srp_verify_param_cb(SSL *s, void *arg)
315 SRP_ARG *srp_arg = (SRP_ARG *)arg;
316 BIGNUM *N = NULL, *g = NULL;
318 if (((N = SSL_get_srp_N(s)) == NULL) || ((g = SSL_get_srp_g(s)) == NULL))
320 if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1) {
321 BIO_printf(bio_err, "SRP parameters:\n");
322 BIO_printf(bio_err, "\tN=");
323 BN_print(bio_err, N);
324 BIO_printf(bio_err, "\n\tg=");
325 BN_print(bio_err, g);
326 BIO_printf(bio_err, "\n");
329 if (SRP_check_known_gN_param(g, N))
332 if (srp_arg->amp == 1) {
335 "SRP param N and g are not known params, going to check deeper.\n");
338 * The srp_moregroups is a real debugging feature. Implementors
339 * should rather add the value to the known ones. The minimal size
340 * has already been tested.
342 if (BN_num_bits(g) <= BN_BITS && srp_Verify_N_and_g(N, g))
345 BIO_printf(bio_err, "SRP param N and g rejected.\n");
349 # define PWD_STRLEN 1024
351 static char *ssl_give_srp_client_pwd_cb(SSL *s, void *arg)
353 SRP_ARG *srp_arg = (SRP_ARG *)arg;
354 char *pass = app_malloc(PWD_STRLEN + 1, "SRP password buffer");
358 cb_tmp.password = (char *)srp_arg->srppassin;
359 cb_tmp.prompt_info = "SRP user";
360 if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp)) < 0) {
361 BIO_printf(bio_err, "Can't read Password\n");
372 #ifndef OPENSSL_NO_NEXTPROTONEG
373 /* This the context that we pass to next_proto_cb */
374 typedef struct tlsextnextprotoctx_st {
378 } tlsextnextprotoctx;
380 static tlsextnextprotoctx next_proto;
382 static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen,
383 const unsigned char *in, unsigned int inlen,
386 tlsextnextprotoctx *ctx = arg;
389 /* We can assume that |in| is syntactically valid. */
391 BIO_printf(bio_c_out, "Protocols advertised by server: ");
392 for (i = 0; i < inlen;) {
394 BIO_write(bio_c_out, ", ", 2);
395 BIO_write(bio_c_out, &in[i + 1], in[i]);
398 BIO_write(bio_c_out, "\n", 1);
402 SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len);
403 return SSL_TLSEXT_ERR_OK;
405 #endif /* ndef OPENSSL_NO_NEXTPROTONEG */
407 static int serverinfo_cli_parse_cb(SSL *s, unsigned int ext_type,
408 const unsigned char *in, size_t inlen,
412 unsigned char ext_buf[4 + 65536];
414 /* Reconstruct the type/len fields prior to extension data */
415 inlen &= 0xffff; /* for formal memcmpy correctness */
416 ext_buf[0] = (unsigned char)(ext_type >> 8);
417 ext_buf[1] = (unsigned char)(ext_type);
418 ext_buf[2] = (unsigned char)(inlen >> 8);
419 ext_buf[3] = (unsigned char)(inlen);
420 memcpy(ext_buf + 4, in, inlen);
422 BIO_snprintf(pem_name, sizeof(pem_name), "SERVERINFO FOR EXTENSION %d",
424 PEM_write_bio(bio_c_out, pem_name, "", ext_buf, 4 + inlen);
429 * Hex decoder that tolerates optional whitespace. Returns number of bytes
430 * produced, advances inptr to end of input string.
432 static ossl_ssize_t hexdecode(const char **inptr, void *result)
434 unsigned char **out = (unsigned char **)result;
435 const char *in = *inptr;
436 unsigned char *ret = app_malloc(strlen(in) / 2, "hexdecode");
437 unsigned char *cp = ret;
444 for (byte = 0; *in; ++in) {
447 if (isspace(_UC(*in)))
449 x = OPENSSL_hexchar2int(*in);
455 if ((nibble ^= 1) == 0) {
468 return cp - (*out = ret);
472 * Decode unsigned 0..255, returns 1 on success, <= 0 on failure. Advances
473 * inptr to next field skipping leading whitespace.
475 static ossl_ssize_t checked_uint8(const char **inptr, void *out)
477 uint8_t *result = (uint8_t *)out;
478 const char *in = *inptr;
484 v = strtol(in, &endp, 10);
487 if (((v == LONG_MIN || v == LONG_MAX) && e == ERANGE) ||
488 endp == in || !isspace(_UC(*endp)) ||
489 v != (*result = (uint8_t) v)) {
492 for (in = endp; isspace(_UC(*in)); ++in)
502 ossl_ssize_t (*parser)(const char **, void *);
505 static int tlsa_import_rr(SSL *con, const char *rrdata)
507 /* Not necessary to re-init these values; the "parsers" do that. */
508 static uint8_t usage;
509 static uint8_t selector;
510 static uint8_t mtype;
511 static unsigned char *data;
512 static struct tlsa_field tlsa_fields[] = {
513 { &usage, "usage", checked_uint8 },
514 { &selector, "selector", checked_uint8 },
515 { &mtype, "mtype", checked_uint8 },
516 { &data, "data", hexdecode },
519 struct tlsa_field *f;
521 const char *cp = rrdata;
522 ossl_ssize_t len = 0;
524 for (f = tlsa_fields; f->var; ++f) {
525 /* Returns number of bytes produced, advances cp to next field */
526 if ((len = f->parser(&cp, f->var)) <= 0) {
527 BIO_printf(bio_err, "%s: warning: bad TLSA %s field in: %s\n",
528 prog, f->name, rrdata);
532 /* The data field is last, so len is its length */
533 ret = SSL_dane_tlsa_add(con, usage, selector, mtype, data, len);
537 ERR_print_errors(bio_err);
538 BIO_printf(bio_err, "%s: warning: unusable TLSA rrdata: %s\n",
543 ERR_print_errors(bio_err);
544 BIO_printf(bio_err, "%s: warning: error loading TLSA rrdata: %s\n",
551 static int tlsa_import_rrset(SSL *con, STACK_OF(OPENSSL_STRING) *rrset)
553 int num = sk_OPENSSL_STRING_num(rrset);
557 for (i = 0; i < num; ++i) {
558 char *rrdata = sk_OPENSSL_STRING_value(rrset, i);
559 if (tlsa_import_rr(con, rrdata) > 0)
565 typedef enum OPTION_choice {
566 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
567 OPT_4, OPT_6, OPT_HOST, OPT_PORT, OPT_CONNECT, OPT_BIND, OPT_UNIX,
568 OPT_XMPPHOST, OPT_VERIFY, OPT_NAMEOPT,
569 OPT_CERT, OPT_CRL, OPT_CRL_DOWNLOAD, OPT_SESS_OUT, OPT_SESS_IN,
570 OPT_CERTFORM, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET,
571 OPT_BRIEF, OPT_PREXIT, OPT_CRLF, OPT_QUIET, OPT_NBIO,
572 OPT_SSL_CLIENT_ENGINE, OPT_IGN_EOF, OPT_NO_IGN_EOF,
573 OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_WDEBUG,
574 OPT_MSG, OPT_MSGFILE, OPT_ENGINE, OPT_TRACE, OPT_SECURITY_DEBUG,
575 OPT_SECURITY_DEBUG_VERBOSE, OPT_SHOWCERTS, OPT_NBIO_TEST, OPT_STATE,
576 OPT_PSK_IDENTITY, OPT_PSK, OPT_PSK_SESS,
577 #ifndef OPENSSL_NO_SRP
578 OPT_SRPUSER, OPT_SRPPASS, OPT_SRP_STRENGTH, OPT_SRP_LATEUSER,
581 OPT_SSL3, OPT_SSL_CONFIG,
582 OPT_TLS1_3, OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1,
583 OPT_DTLS1_2, OPT_SCTP, OPT_TIMEOUT, OPT_MTU, OPT_KEYFORM, OPT_PASS,
584 OPT_CERT_CHAIN, OPT_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH,
585 OPT_KEY, OPT_RECONNECT, OPT_BUILD_CHAIN, OPT_CAFILE, OPT_NOCAFILE,
586 OPT_CHAINCAFILE, OPT_VERIFYCAFILE, OPT_NEXTPROTONEG, OPT_ALPN,
587 OPT_SERVERINFO, OPT_STARTTLS, OPT_SERVERNAME, OPT_NOSERVERNAME, OPT_ASYNC,
588 OPT_USE_SRTP, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN, OPT_PROTOHOST,
589 OPT_MAXFRAGLEN, OPT_MAX_SEND_FRAG, OPT_SPLIT_SEND_FRAG, OPT_MAX_PIPELINES,
590 OPT_READ_BUF, OPT_KEYLOG_FILE, OPT_EARLY_DATA, OPT_REQCAFILE,
594 OPT_FALLBACKSCSV, OPT_NOCMDS, OPT_PROXY, OPT_PROXY_USER, OPT_PROXY_PASS,
595 OPT_DANE_TLSA_DOMAIN,
596 #ifndef OPENSSL_NO_CT
597 OPT_CT, OPT_NOCT, OPT_CTLOG_FILE,
599 OPT_DANE_TLSA_RRDATA, OPT_DANE_EE_NO_NAME,
604 const OPTIONS s_client_options[] = {
605 {"help", OPT_HELP, '-', "Display this summary"},
606 {"host", OPT_HOST, 's', "Use -connect instead"},
607 {"port", OPT_PORT, 'p', "Use -connect instead"},
608 {"connect", OPT_CONNECT, 's',
609 "TCP/IP where to connect (default is :" PORT ")"},
610 {"bind", OPT_BIND, 's', "bind local address for connection"},
611 {"proxy", OPT_PROXY, 's',
612 "Connect to via specified proxy to the real server"},
613 {"proxy_user", OPT_PROXY_USER, 's', "UserID for proxy authentication"},
614 {"proxy_pass", OPT_PROXY_PASS, 's', "Proxy authentication password source"},
616 {"unix", OPT_UNIX, 's', "Connect over the specified Unix-domain socket"},
618 {"4", OPT_4, '-', "Use IPv4 only"},
620 {"6", OPT_6, '-', "Use IPv6 only"},
622 {"verify", OPT_VERIFY, 'p', "Turn on peer certificate verification"},
623 {"cert", OPT_CERT, '<', "Certificate file to use, PEM format assumed"},
624 {"certform", OPT_CERTFORM, 'F',
625 "Certificate format (PEM or DER) PEM default"},
626 {"nameopt", OPT_NAMEOPT, 's', "Various certificate name options"},
627 {"key", OPT_KEY, 's', "Private key file to use, if not in -cert file"},
628 {"keyform", OPT_KEYFORM, 'E', "Key format (PEM, DER or engine) PEM default"},
629 {"pass", OPT_PASS, 's', "Private key file pass phrase source"},
630 {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
631 {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
632 {"no-CAfile", OPT_NOCAFILE, '-',
633 "Do not load the default certificates file"},
634 {"no-CApath", OPT_NOCAPATH, '-',
635 "Do not load certificates from the default certificates directory"},
636 {"requestCAfile", OPT_REQCAFILE, '<',
637 "PEM format file of CA names to send to the server"},
638 {"dane_tlsa_domain", OPT_DANE_TLSA_DOMAIN, 's', "DANE TLSA base domain"},
639 {"dane_tlsa_rrdata", OPT_DANE_TLSA_RRDATA, 's',
640 "DANE TLSA rrdata presentation form"},
641 {"dane_ee_no_namechecks", OPT_DANE_EE_NO_NAME, '-',
642 "Disable name checks when matching DANE-EE(3) TLSA records"},
643 {"reconnect", OPT_RECONNECT, '-',
644 "Drop and re-make the connection with the same Session-ID"},
645 {"showcerts", OPT_SHOWCERTS, '-',
646 "Show all certificates sent by the server"},
647 {"debug", OPT_DEBUG, '-', "Extra output"},
648 {"msg", OPT_MSG, '-', "Show protocol messages"},
649 {"msgfile", OPT_MSGFILE, '>',
650 "File to send output of -msg or -trace, instead of stdout"},
651 {"nbio_test", OPT_NBIO_TEST, '-', "More ssl protocol testing"},
652 {"state", OPT_STATE, '-', "Print the ssl states"},
653 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"},
654 {"quiet", OPT_QUIET, '-', "No s_client output"},
655 {"ign_eof", OPT_IGN_EOF, '-', "Ignore input eof (default when -quiet)"},
656 {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Don't ignore input eof"},
657 {"starttls", OPT_STARTTLS, 's',
658 "Use the appropriate STARTTLS command before starting TLS"},
659 {"xmpphost", OPT_XMPPHOST, 's',
660 "Alias of -name option for \"-starttls xmpp[-server]\""},
662 {"sess_out", OPT_SESS_OUT, '>', "File to write SSL session to"},
663 {"sess_in", OPT_SESS_IN, '<', "File to read SSL session from"},
664 #ifndef OPENSSL_NO_SRTP
665 {"use_srtp", OPT_USE_SRTP, 's',
666 "Offer SRTP key management with a colon-separated profile list"},
668 {"keymatexport", OPT_KEYMATEXPORT, 's',
669 "Export keying material using label"},
670 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
671 "Export len bytes of keying material (default 20)"},
672 {"maxfraglen", OPT_MAXFRAGLEN, 'p',
673 "Enable Maximum Fragment Length Negotiation (len values: 512, 1024, 2048 and 4096)"},
674 {"fallback_scsv", OPT_FALLBACKSCSV, '-', "Send the fallback SCSV"},
675 {"name", OPT_PROTOHOST, 's',
676 "Hostname to use for \"-starttls lmtp\", \"-starttls smtp\" or \"-starttls xmpp[-server]\""},
677 {"CRL", OPT_CRL, '<', "CRL file to use"},
678 {"crl_download", OPT_CRL_DOWNLOAD, '-', "Download CRL from distribution points"},
679 {"CRLform", OPT_CRLFORM, 'F', "CRL format (PEM or DER) PEM is default"},
680 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-',
681 "Close connection on verification error"},
682 {"verify_quiet", OPT_VERIFY_QUIET, '-', "Restrict verify output to errors"},
683 {"brief", OPT_BRIEF, '-',
684 "Restrict output to brief summary of connection parameters"},
685 {"prexit", OPT_PREXIT, '-',
686 "Print session information when the program exits"},
687 {"security_debug", OPT_SECURITY_DEBUG, '-',
688 "Enable security debug messages"},
689 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-',
690 "Output more security debug output"},
691 {"cert_chain", OPT_CERT_CHAIN, '<',
692 "Certificate chain file (in PEM format)"},
693 {"chainCApath", OPT_CHAINCAPATH, '/',
694 "Use dir as certificate store path to build CA certificate chain"},
695 {"verifyCApath", OPT_VERIFYCAPATH, '/',
696 "Use dir as certificate store path to verify CA certificate"},
697 {"build_chain", OPT_BUILD_CHAIN, '-', "Build certificate chain"},
698 {"chainCAfile", OPT_CHAINCAFILE, '<',
699 "CA file for certificate chain (PEM format)"},
700 {"verifyCAfile", OPT_VERIFYCAFILE, '<',
701 "CA file for certificate verification (PEM format)"},
702 {"nocommands", OPT_NOCMDS, '-', "Do not use interactive command letters"},
703 {"servername", OPT_SERVERNAME, 's',
704 "Set TLS extension servername (SNI) in ClientHello (default)"},
705 {"noservername", OPT_NOSERVERNAME, '-',
706 "Do not send the server name (SNI) extension in the ClientHello"},
707 {"tlsextdebug", OPT_TLSEXTDEBUG, '-',
708 "Hex dump of all TLS extensions received"},
709 #ifndef OPENSSL_NO_OCSP
710 {"status", OPT_STATUS, '-', "Request certificate status from server"},
712 {"serverinfo", OPT_SERVERINFO, 's',
713 "types Send empty ClientHello extensions (comma-separated numbers)"},
714 {"alpn", OPT_ALPN, 's',
715 "Enable ALPN extension, considering named protocols supported (comma-separated list)"},
716 {"async", OPT_ASYNC, '-', "Support asynchronous operation"},
717 {"ssl_config", OPT_SSL_CONFIG, 's', "Use specified configuration file"},
718 {"max_send_frag", OPT_MAX_SEND_FRAG, 'p', "Maximum Size of send frames "},
719 {"split_send_frag", OPT_SPLIT_SEND_FRAG, 'p',
720 "Size used to split data for encrypt pipelines"},
721 {"max_pipelines", OPT_MAX_PIPELINES, 'p',
722 "Maximum number of encrypt/decrypt pipelines to be used"},
723 {"read_buf", OPT_READ_BUF, 'p',
724 "Default read buffer size to be used for connections"},
728 #ifndef OPENSSL_NO_SSL3
729 {"ssl3", OPT_SSL3, '-', "Just use SSLv3"},
731 #ifndef OPENSSL_NO_TLS1
732 {"tls1", OPT_TLS1, '-', "Just use TLSv1"},
734 #ifndef OPENSSL_NO_TLS1_1
735 {"tls1_1", OPT_TLS1_1, '-', "Just use TLSv1.1"},
737 #ifndef OPENSSL_NO_TLS1_2
738 {"tls1_2", OPT_TLS1_2, '-', "Just use TLSv1.2"},
740 #ifndef OPENSSL_NO_TLS1_3
741 {"tls1_3", OPT_TLS1_3, '-', "Just use TLSv1.3"},
743 #ifndef OPENSSL_NO_DTLS
744 {"dtls", OPT_DTLS, '-', "Use any version of DTLS"},
745 {"timeout", OPT_TIMEOUT, '-',
746 "Enable send/receive timeout on DTLS connections"},
747 {"mtu", OPT_MTU, 'p', "Set the link layer MTU"},
749 #ifndef OPENSSL_NO_DTLS1
750 {"dtls1", OPT_DTLS1, '-', "Just use DTLSv1"},
752 #ifndef OPENSSL_NO_DTLS1_2
753 {"dtls1_2", OPT_DTLS1_2, '-', "Just use DTLSv1.2"},
755 #ifndef OPENSSL_NO_SCTP
756 {"sctp", OPT_SCTP, '-', "Use SCTP"},
758 #ifndef OPENSSL_NO_SSL_TRACE
759 {"trace", OPT_TRACE, '-', "Show trace output of protocol messages"},
762 {"wdebug", OPT_WDEBUG, '-', "WATT-32 tcp debugging"},
764 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"},
765 {"psk_identity", OPT_PSK_IDENTITY, 's', "PSK identity"},
766 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"},
767 {"psk_session", OPT_PSK_SESS, '<', "File to read PSK SSL session from"},
768 #ifndef OPENSSL_NO_SRP
769 {"srpuser", OPT_SRPUSER, 's', "SRP authentication for 'user'"},
770 {"srppass", OPT_SRPPASS, 's', "Password for 'user'"},
771 {"srp_lateuser", OPT_SRP_LATEUSER, '-',
772 "SRP username into second ClientHello message"},
773 {"srp_moregroups", OPT_SRP_MOREGROUPS, '-',
774 "Tolerate other than the known g N values."},
775 {"srp_strength", OPT_SRP_STRENGTH, 'p', "Minimal length in bits for N"},
777 #ifndef OPENSSL_NO_NEXTPROTONEG
778 {"nextprotoneg", OPT_NEXTPROTONEG, 's',
779 "Enable NPN extension, considering named protocols supported (comma-separated list)"},
781 #ifndef OPENSSL_NO_ENGINE
782 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
783 {"ssl_client_engine", OPT_SSL_CLIENT_ENGINE, 's',
784 "Specify engine to be used for client certificate operations"},
786 #ifndef OPENSSL_NO_CT
787 {"ct", OPT_CT, '-', "Request and parse SCTs (also enables OCSP stapling)"},
788 {"noct", OPT_NOCT, '-', "Do not request or parse SCTs (default)"},
789 {"ctlogfile", OPT_CTLOG_FILE, '<', "CT log list CONF file"},
791 {"keylogfile", OPT_KEYLOG_FILE, '>', "Write TLS secrets to file"},
792 {"early_data", OPT_EARLY_DATA, '<', "File to send as early data"},
793 {"enable_pha", OPT_ENABLE_PHA, '-', "Enable post-handshake-authentication"},
794 {NULL, OPT_EOF, 0x00, NULL}
797 typedef enum PROTOCOL_choice {
816 static const OPT_PAIR services[] = {
817 {"smtp", PROTO_SMTP},
818 {"pop3", PROTO_POP3},
819 {"imap", PROTO_IMAP},
821 {"xmpp", PROTO_XMPP},
822 {"xmpp-server", PROTO_XMPP_SERVER},
823 {"telnet", PROTO_TELNET},
825 {"mysql", PROTO_MYSQL},
826 {"postgres", PROTO_POSTGRES},
827 {"lmtp", PROTO_LMTP},
828 {"nntp", PROTO_NNTP},
829 {"sieve", PROTO_SIEVE},
830 {"ldap", PROTO_LDAP},
834 #define IS_INET_FLAG(o) \
835 (o == OPT_4 || o == OPT_6 || o == OPT_HOST || o == OPT_PORT || o == OPT_CONNECT)
836 #define IS_UNIX_FLAG(o) (o == OPT_UNIX)
838 #define IS_PROT_FLAG(o) \
839 (o == OPT_SSL3 || o == OPT_TLS1 || o == OPT_TLS1_1 || o == OPT_TLS1_2 \
840 || o == OPT_TLS1_3 || o == OPT_DTLS || o == OPT_DTLS1 || o == OPT_DTLS1_2)
842 /* Free |*dest| and optionally set it to a copy of |source|. */
843 static void freeandcopy(char **dest, const char *source)
848 *dest = OPENSSL_strdup(source);
851 static int new_session_cb(SSL *s, SSL_SESSION *sess)
854 if (sess_out != NULL) {
855 BIO *stmp = BIO_new_file(sess_out, "w");
858 BIO_printf(bio_err, "Error writing session file %s\n", sess_out);
860 PEM_write_bio_SSL_SESSION(stmp, sess);
866 * Session data gets dumped on connection for TLSv1.2 and below, and on
867 * arrival of the NewSessionTicket for TLSv1.3.
869 if (SSL_version(s) == TLS1_3_VERSION) {
870 BIO_printf(bio_c_out,
871 "---\nPost-Handshake New Session Ticket arrived:\n");
872 SSL_SESSION_print(bio_c_out, sess);
873 BIO_printf(bio_c_out, "---\n");
877 * We always return a "fail" response so that the session gets freed again
878 * because we haven't used the reference.
883 int s_client_main(int argc, char **argv)
886 EVP_PKEY *key = NULL;
889 STACK_OF(X509) *chain = NULL;
891 X509_VERIFY_PARAM *vpm = NULL;
892 SSL_EXCERT *exc = NULL;
893 SSL_CONF_CTX *cctx = NULL;
894 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
895 char *dane_tlsa_domain = NULL;
896 STACK_OF(OPENSSL_STRING) *dane_tlsa_rrset = NULL;
897 int dane_ee_no_name = 0;
898 STACK_OF(X509_CRL) *crls = NULL;
899 const SSL_METHOD *meth = TLS_client_method();
900 const char *CApath = NULL, *CAfile = NULL;
901 char *cbuf = NULL, *sbuf = NULL, *mbuf = NULL;
902 char *proxystr = NULL, *proxyuser = NULL;
903 char *proxypassarg = NULL, *proxypass = NULL;
904 char *connectstr = NULL, *bindstr = NULL;
905 char *cert_file = NULL, *key_file = NULL, *chain_file = NULL;
906 char *chCApath = NULL, *chCAfile = NULL, *host = NULL;
907 char *port = OPENSSL_strdup(PORT);
908 char *bindhost = NULL, *bindport = NULL;
909 char *passarg = NULL, *pass = NULL, *vfyCApath = NULL, *vfyCAfile = NULL;
910 char *ReqCAfile = NULL;
911 char *sess_in = NULL, *crl_file = NULL, *p;
912 const char *protohost = NULL;
913 struct timeval timeout, *timeoutp;
914 fd_set readfds, writefds;
915 int noCApath = 0, noCAfile = 0;
916 int build_chain = 0, cbuf_len, cbuf_off, cert_format = FORMAT_PEM;
917 int key_format = FORMAT_PEM, crlf = 0, full_log = 1, mbuf_len = 0;
920 int reconnect = 0, verify = SSL_VERIFY_NONE, vpmtouched = 0;
921 int ret = 1, in_init = 1, i, nbio_test = 0, s = -1, k, width, state = 0;
922 int sbuf_len, sbuf_off, cmdletters = 1;
923 int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM, protocol = 0;
924 int starttls_proto = PROTO_OFF, crl_format = FORMAT_PEM, crl_download = 0;
925 int write_tty, read_tty, write_ssl, read_ssl, tty_on, ssl_pending;
926 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
929 int read_buf_len = 0;
930 int fallback_scsv = 0;
932 #ifndef OPENSSL_NO_DTLS
933 int enable_timeouts = 0;
936 #ifndef OPENSSL_NO_ENGINE
937 ENGINE *ssl_client_engine = NULL;
940 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
943 const char *servername = NULL;
944 int noservername = 0;
945 const char *alpn_in = NULL;
946 tlsextctx tlsextcbp = { NULL, 0 };
947 const char *ssl_config = NULL;
948 #define MAX_SI_TYPES 100
949 unsigned short serverinfo_types[MAX_SI_TYPES];
950 int serverinfo_count = 0, start = 0, len;
951 #ifndef OPENSSL_NO_NEXTPROTONEG
952 const char *next_proto_neg_in = NULL;
954 #ifndef OPENSSL_NO_SRP
955 char *srppass = NULL;
956 int srp_lateuser = 0;
957 SRP_ARG srp_arg = { NULL, NULL, 0, 0, 0, 1024 };
959 #ifndef OPENSSL_NO_SRTP
960 char *srtp_profiles = NULL;
962 #ifndef OPENSSL_NO_CT
963 char *ctlog_file = NULL;
964 int ct_validation = 0;
966 int min_version = 0, max_version = 0, prot_opt = 0, no_prot_opt = 0;
968 unsigned int max_send_fragment = 0;
969 unsigned int split_send_fragment = 0, max_pipelines = 0;
970 enum { use_inet, use_unix, use_unknown } connect_type = use_unknown;
972 uint8_t maxfraglen = 0;
973 int c_nbio = 0, c_msg = 0, c_ign_eof = 0, c_brief = 0;
974 int c_tlsextdebug = 0;
975 #ifndef OPENSSL_NO_OCSP
976 int c_status_req = 0;
978 BIO *bio_c_msg = NULL;
979 const char *keylog_file = NULL, *early_data_file = NULL;
980 #ifndef OPENSSL_NO_DTLS
983 char *psksessf = NULL;
988 /* Known false-positive of MemorySanitizer. */
989 #if defined(__has_feature)
990 # if __has_feature(memory_sanitizer)
991 __msan_unpoison(&readfds, sizeof(readfds));
992 __msan_unpoison(&writefds, sizeof(writefds));
996 prog = opt_progname(argv[0]);
1001 vpm = X509_VERIFY_PARAM_new();
1002 cctx = SSL_CONF_CTX_new();
1004 if (vpm == NULL || cctx == NULL) {
1005 BIO_printf(bio_err, "%s: out of memory\n", prog);
1009 cbuf = app_malloc(BUFSIZZ, "cbuf");
1010 sbuf = app_malloc(BUFSIZZ, "sbuf");
1011 mbuf = app_malloc(BUFSIZZ, "mbuf");
1013 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT | SSL_CONF_FLAG_CMDLINE);
1015 prog = opt_init(argc, argv, s_client_options);
1016 while ((o = opt_next()) != OPT_EOF) {
1017 /* Check for intermixing flags. */
1018 if (connect_type == use_unix && IS_INET_FLAG(o)) {
1020 "%s: Intermixed protocol flags (unix and internet domains)\n",
1024 if (connect_type == use_inet && IS_UNIX_FLAG(o)) {
1026 "%s: Intermixed protocol flags (internet and unix domains)\n",
1031 if (IS_PROT_FLAG(o) && ++prot_opt > 1) {
1032 BIO_printf(bio_err, "Cannot supply multiple protocol flags\n");
1035 if (IS_NO_PROT_FLAG(o))
1037 if (prot_opt == 1 && no_prot_opt) {
1039 "Cannot supply both a protocol flag and '-no_<prot>'\n");
1047 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
1050 opt_help(s_client_options);
1054 connect_type = use_inet;
1055 socket_family = AF_INET;
1060 connect_type = use_inet;
1061 socket_family = AF_INET6;
1066 connect_type = use_inet;
1067 freeandcopy(&host, opt_arg());
1070 connect_type = use_inet;
1071 freeandcopy(&port, opt_arg());
1074 connect_type = use_inet;
1075 freeandcopy(&connectstr, opt_arg());
1078 freeandcopy(&bindstr, opt_arg());
1081 proxystr = opt_arg();
1082 starttls_proto = PROTO_CONNECT;
1084 case OPT_PROXY_USER:
1085 proxyuser = opt_arg();
1087 case OPT_PROXY_PASS:
1088 proxypassarg = opt_arg();
1092 connect_type = use_unix;
1093 socket_family = AF_UNIX;
1094 freeandcopy(&host, opt_arg());
1098 /* fall through, since this is an alias */
1100 protohost = opt_arg();
1103 verify = SSL_VERIFY_PEER;
1104 verify_args.depth = atoi(opt_arg());
1106 BIO_printf(bio_err, "verify depth is %d\n", verify_args.depth);
1109 cert_file = opt_arg();
1112 if (!set_nameopt(opt_arg()))
1116 crl_file = opt_arg();
1118 case OPT_CRL_DOWNLOAD:
1122 sess_out = opt_arg();
1125 sess_in = opt_arg();
1128 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &cert_format))
1132 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
1135 case OPT_VERIFY_RET_ERROR:
1136 verify_args.return_error = 1;
1138 case OPT_VERIFY_QUIET:
1139 verify_args.quiet = 1;
1142 c_brief = verify_args.quiet = c_quiet = 1;
1145 if (ssl_args == NULL)
1146 ssl_args = sk_OPENSSL_STRING_new_null();
1147 if (ssl_args == NULL
1148 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
1149 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
1150 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1155 if (!opt_verify(o, vpm))
1160 if (!args_excert(o, &exc))
1170 c_quiet = c_ign_eof = 1;
1179 e = setup_engine(opt_arg(), 1);
1181 case OPT_SSL_CLIENT_ENGINE:
1182 #ifndef OPENSSL_NO_ENGINE
1183 ssl_client_engine = ENGINE_by_id(opt_arg());
1184 if (ssl_client_engine == NULL) {
1185 BIO_printf(bio_err, "Error getting client auth engine\n");
1197 case OPT_NO_IGN_EOF:
1203 case OPT_TLSEXTDEBUG:
1207 #ifndef OPENSSL_NO_OCSP
1220 bio_c_msg = BIO_new_file(opt_arg(), "w");
1223 #ifndef OPENSSL_NO_SSL_TRACE
1227 case OPT_SECURITY_DEBUG:
1230 case OPT_SECURITY_DEBUG_VERBOSE:
1242 case OPT_PSK_IDENTITY:
1243 psk_identity = opt_arg();
1246 for (p = psk_key = opt_arg(); *p; p++) {
1247 if (isxdigit(_UC(*p)))
1249 BIO_printf(bio_err, "Not a hex number '%s'\n", psk_key);
1254 psksessf = opt_arg();
1256 #ifndef OPENSSL_NO_SRP
1258 srp_arg.srplogin = opt_arg();
1259 if (min_version < TLS1_VERSION)
1260 min_version = TLS1_VERSION;
1263 srppass = opt_arg();
1264 if (min_version < TLS1_VERSION)
1265 min_version = TLS1_VERSION;
1267 case OPT_SRP_STRENGTH:
1268 srp_arg.strength = atoi(opt_arg());
1269 BIO_printf(bio_err, "SRP minimal length for N is %d\n",
1271 if (min_version < TLS1_VERSION)
1272 min_version = TLS1_VERSION;
1274 case OPT_SRP_LATEUSER:
1276 if (min_version < TLS1_VERSION)
1277 min_version = TLS1_VERSION;
1279 case OPT_SRP_MOREGROUPS:
1281 if (min_version < TLS1_VERSION)
1282 min_version = TLS1_VERSION;
1285 case OPT_SSL_CONFIG:
1286 ssl_config = opt_arg();
1289 min_version = SSL3_VERSION;
1290 max_version = SSL3_VERSION;
1293 min_version = TLS1_3_VERSION;
1294 max_version = TLS1_3_VERSION;
1297 min_version = TLS1_2_VERSION;
1298 max_version = TLS1_2_VERSION;
1301 min_version = TLS1_1_VERSION;
1302 max_version = TLS1_1_VERSION;
1305 min_version = TLS1_VERSION;
1306 max_version = TLS1_VERSION;
1309 #ifndef OPENSSL_NO_DTLS
1310 meth = DTLS_client_method();
1311 socket_type = SOCK_DGRAM;
1316 #ifndef OPENSSL_NO_DTLS1
1317 meth = DTLS_client_method();
1318 min_version = DTLS1_VERSION;
1319 max_version = DTLS1_VERSION;
1320 socket_type = SOCK_DGRAM;
1325 #ifndef OPENSSL_NO_DTLS1_2
1326 meth = DTLS_client_method();
1327 min_version = DTLS1_2_VERSION;
1328 max_version = DTLS1_2_VERSION;
1329 socket_type = SOCK_DGRAM;
1334 #ifndef OPENSSL_NO_SCTP
1335 protocol = IPPROTO_SCTP;
1339 #ifndef OPENSSL_NO_DTLS
1340 enable_timeouts = 1;
1344 #ifndef OPENSSL_NO_DTLS
1345 socket_mtu = atol(opt_arg());
1348 case OPT_FALLBACKSCSV:
1352 if (!opt_format(opt_arg(), OPT_FMT_PDE, &key_format))
1356 passarg = opt_arg();
1358 case OPT_CERT_CHAIN:
1359 chain_file = opt_arg();
1362 key_file = opt_arg();
1373 case OPT_CHAINCAPATH:
1374 chCApath = opt_arg();
1376 case OPT_VERIFYCAPATH:
1377 vfyCApath = opt_arg();
1379 case OPT_BUILD_CHAIN:
1383 ReqCAfile = opt_arg();
1391 #ifndef OPENSSL_NO_CT
1398 case OPT_CTLOG_FILE:
1399 ctlog_file = opt_arg();
1402 case OPT_CHAINCAFILE:
1403 chCAfile = opt_arg();
1405 case OPT_VERIFYCAFILE:
1406 vfyCAfile = opt_arg();
1408 case OPT_DANE_TLSA_DOMAIN:
1409 dane_tlsa_domain = opt_arg();
1411 case OPT_DANE_TLSA_RRDATA:
1412 if (dane_tlsa_rrset == NULL)
1413 dane_tlsa_rrset = sk_OPENSSL_STRING_new_null();
1414 if (dane_tlsa_rrset == NULL ||
1415 !sk_OPENSSL_STRING_push(dane_tlsa_rrset, opt_arg())) {
1416 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
1420 case OPT_DANE_EE_NO_NAME:
1421 dane_ee_no_name = 1;
1423 case OPT_NEXTPROTONEG:
1424 #ifndef OPENSSL_NO_NEXTPROTONEG
1425 next_proto_neg_in = opt_arg();
1429 alpn_in = opt_arg();
1431 case OPT_SERVERINFO:
1434 for (start = 0, i = 0; i <= len; ++i) {
1435 if (i == len || p[i] == ',') {
1436 serverinfo_types[serverinfo_count] = atoi(p + start);
1437 if (++serverinfo_count == MAX_SI_TYPES)
1444 if (!opt_pair(opt_arg(), services, &starttls_proto))
1447 case OPT_SERVERNAME:
1448 servername = opt_arg();
1450 case OPT_NOSERVERNAME:
1454 #ifndef OPENSSL_NO_SRTP
1455 srtp_profiles = opt_arg();
1458 case OPT_KEYMATEXPORT:
1459 keymatexportlabel = opt_arg();
1461 case OPT_KEYMATEXPORTLEN:
1462 keymatexportlen = atoi(opt_arg());
1467 case OPT_MAXFRAGLEN:
1468 len = atoi(opt_arg());
1471 maxfraglen = TLSEXT_max_fragment_length_512;
1474 maxfraglen = TLSEXT_max_fragment_length_1024;
1477 maxfraglen = TLSEXT_max_fragment_length_2048;
1480 maxfraglen = TLSEXT_max_fragment_length_4096;
1484 "%s: Max Fragment Len %u is out of permitted values",
1489 case OPT_MAX_SEND_FRAG:
1490 max_send_fragment = atoi(opt_arg());
1492 case OPT_SPLIT_SEND_FRAG:
1493 split_send_fragment = atoi(opt_arg());
1495 case OPT_MAX_PIPELINES:
1496 max_pipelines = atoi(opt_arg());
1499 read_buf_len = atoi(opt_arg());
1501 case OPT_KEYLOG_FILE:
1502 keylog_file = opt_arg();
1504 case OPT_EARLY_DATA:
1505 early_data_file = opt_arg();
1507 case OPT_ENABLE_PHA:
1512 if (count4or6 >= 2) {
1513 BIO_printf(bio_err, "%s: Can't use both -4 and -6\n", prog);
1517 if (servername != NULL) {
1519 "%s: Can't use -servername and -noservername together\n",
1523 if (dane_tlsa_domain != NULL) {
1525 "%s: Can't use -dane_tlsa_domain and -noservername together\n",
1530 argc = opt_num_rest();
1532 /* If there's a positional argument, it's the equivalent of
1534 * Don't allow -connect and a separate argument.
1536 if (connectstr != NULL) {
1538 "%s: must not provide both -connect option and target parameter\n",
1542 connect_type = use_inet;
1543 freeandcopy(&connectstr, *opt_rest());
1544 } else if (argc != 0) {
1548 #ifndef OPENSSL_NO_NEXTPROTONEG
1549 if (min_version == TLS1_3_VERSION && next_proto_neg_in != NULL) {
1550 BIO_printf(bio_err, "Cannot supply -nextprotoneg with TLSv1.3\n");
1554 if (proxystr != NULL) {
1556 char *tmp_host = host, *tmp_port = port;
1557 if (connectstr == NULL) {
1558 BIO_printf(bio_err, "%s: -proxy requires use of -connect or target parameter\n", prog);
1561 res = BIO_parse_hostserv(proxystr, &host, &port, BIO_PARSE_PRIO_HOST);
1562 if (tmp_host != host)
1563 OPENSSL_free(tmp_host);
1564 if (tmp_port != port)
1565 OPENSSL_free(tmp_port);
1568 "%s: -proxy argument malformed or ambiguous\n", prog);
1573 char *tmp_host = host, *tmp_port = port;
1574 if (connectstr != NULL)
1575 res = BIO_parse_hostserv(connectstr, &host, &port,
1576 BIO_PARSE_PRIO_HOST);
1577 if (tmp_host != host)
1578 OPENSSL_free(tmp_host);
1579 if (tmp_port != port)
1580 OPENSSL_free(tmp_port);
1583 "%s: -connect argument or target parameter malformed or ambiguous\n",
1589 if (bindstr != NULL) {
1591 res = BIO_parse_hostserv(bindstr, &bindhost, &bindport,
1592 BIO_PARSE_PRIO_HOST);
1595 "%s: -bind argument parameter malformed or ambiguous\n",
1602 if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) {
1604 "Can't use unix sockets and datagrams together\n");
1609 #ifndef OPENSSL_NO_SCTP
1610 if (protocol == IPPROTO_SCTP) {
1611 if (socket_type != SOCK_DGRAM) {
1612 BIO_printf(bio_err, "Can't use -sctp without DTLS\n");
1615 /* SCTP is unusual. It uses DTLS over a SOCK_STREAM protocol */
1616 socket_type = SOCK_STREAM;
1620 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1621 next_proto.status = -1;
1622 if (next_proto_neg_in) {
1624 next_protos_parse(&next_proto.len, next_proto_neg_in);
1625 if (next_proto.data == NULL) {
1626 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n");
1630 next_proto.data = NULL;
1633 if (!app_passwd(passarg, NULL, &pass, NULL)) {
1634 BIO_printf(bio_err, "Error getting private key password\n");
1638 if (!app_passwd(proxypassarg, NULL, &proxypass, NULL)) {
1639 BIO_printf(bio_err, "Error getting proxy password\n");
1643 if (proxypass != NULL && proxyuser == NULL) {
1644 BIO_printf(bio_err, "Error: Must specify proxy_user with proxy_pass\n");
1648 if (key_file == NULL)
1649 key_file = cert_file;
1651 if (key_file != NULL) {
1652 key = load_key(key_file, key_format, 0, pass, e,
1653 "client certificate private key file");
1655 ERR_print_errors(bio_err);
1660 if (cert_file != NULL) {
1661 cert = load_cert(cert_file, cert_format, "client certificate file");
1663 ERR_print_errors(bio_err);
1668 if (chain_file != NULL) {
1669 if (!load_certs(chain_file, &chain, FORMAT_PEM, NULL,
1670 "client certificate chain"))
1674 if (crl_file != NULL) {
1676 crl = load_crl(crl_file, crl_format);
1678 BIO_puts(bio_err, "Error loading CRL\n");
1679 ERR_print_errors(bio_err);
1682 crls = sk_X509_CRL_new_null();
1683 if (crls == NULL || !sk_X509_CRL_push(crls, crl)) {
1684 BIO_puts(bio_err, "Error adding CRL\n");
1685 ERR_print_errors(bio_err);
1691 if (!load_excert(&exc))
1694 if (bio_c_out == NULL) {
1695 if (c_quiet && !c_debug) {
1696 bio_c_out = BIO_new(BIO_s_null());
1697 if (c_msg && bio_c_msg == NULL)
1698 bio_c_msg = dup_bio_out(FORMAT_TEXT);
1699 } else if (bio_c_out == NULL)
1700 bio_c_out = dup_bio_out(FORMAT_TEXT);
1702 #ifndef OPENSSL_NO_SRP
1703 if (!app_passwd(srppass, NULL, &srp_arg.srppassin, NULL)) {
1704 BIO_printf(bio_err, "Error getting password\n");
1709 ctx = SSL_CTX_new(meth);
1711 ERR_print_errors(bio_err);
1715 SSL_CTX_clear_mode(ctx, SSL_MODE_AUTO_RETRY);
1718 ssl_ctx_security_debug(ctx, sdebug);
1720 if (!config_ctx(cctx, ssl_args, ctx))
1723 if (ssl_config != NULL) {
1724 if (SSL_CTX_config(ctx, ssl_config) == 0) {
1725 BIO_printf(bio_err, "Error using configuration \"%s\"\n",
1727 ERR_print_errors(bio_err);
1732 if (min_version != 0
1733 && SSL_CTX_set_min_proto_version(ctx, min_version) == 0)
1735 if (max_version != 0
1736 && SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
1739 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
1740 BIO_printf(bio_err, "Error setting verify params\n");
1741 ERR_print_errors(bio_err);
1746 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC);
1749 if (max_send_fragment > 0
1750 && !SSL_CTX_set_max_send_fragment(ctx, max_send_fragment)) {
1751 BIO_printf(bio_err, "%s: Max send fragment size %u is out of permitted range\n",
1752 prog, max_send_fragment);
1756 if (split_send_fragment > 0
1757 && !SSL_CTX_set_split_send_fragment(ctx, split_send_fragment)) {
1758 BIO_printf(bio_err, "%s: Split send fragment size %u is out of permitted range\n",
1759 prog, split_send_fragment);
1763 if (max_pipelines > 0
1764 && !SSL_CTX_set_max_pipelines(ctx, max_pipelines)) {
1765 BIO_printf(bio_err, "%s: Max pipelines %u is out of permitted range\n",
1766 prog, max_pipelines);
1770 if (read_buf_len > 0) {
1771 SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len);
1775 && !SSL_CTX_set_tlsext_max_fragment_length(ctx, maxfraglen)) {
1777 "%s: Max Fragment Length code %u is out of permitted values"
1778 "\n", prog, maxfraglen);
1782 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1783 crls, crl_download)) {
1784 BIO_printf(bio_err, "Error loading store locations\n");
1785 ERR_print_errors(bio_err);
1788 if (ReqCAfile != NULL) {
1789 STACK_OF(X509_NAME) *nm = sk_X509_NAME_new_null();
1791 if (nm == NULL || !SSL_add_file_cert_subjects_to_stack(nm, ReqCAfile)) {
1792 sk_X509_NAME_pop_free(nm, X509_NAME_free);
1793 BIO_printf(bio_err, "Error loading CA names\n");
1794 ERR_print_errors(bio_err);
1797 SSL_CTX_set0_CA_list(ctx, nm);
1799 #ifndef OPENSSL_NO_ENGINE
1800 if (ssl_client_engine) {
1801 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine)) {
1802 BIO_puts(bio_err, "Error setting client auth engine\n");
1803 ERR_print_errors(bio_err);
1804 ENGINE_free(ssl_client_engine);
1807 ENGINE_free(ssl_client_engine);
1811 #ifndef OPENSSL_NO_PSK
1812 if (psk_key != NULL) {
1814 BIO_printf(bio_c_out, "PSK key given, setting client callback\n");
1815 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
1818 if (psksessf != NULL) {
1819 BIO *stmp = BIO_new_file(psksessf, "r");
1822 BIO_printf(bio_err, "Can't open PSK session file %s\n", psksessf);
1823 ERR_print_errors(bio_err);
1826 psksess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1828 if (psksess == NULL) {
1829 BIO_printf(bio_err, "Can't read PSK session file %s\n", psksessf);
1830 ERR_print_errors(bio_err);
1834 if (psk_key != NULL || psksess != NULL)
1835 SSL_CTX_set_psk_use_session_callback(ctx, psk_use_session_cb);
1837 #ifndef OPENSSL_NO_SRTP
1838 if (srtp_profiles != NULL) {
1839 /* Returns 0 on success! */
1840 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
1841 BIO_printf(bio_err, "Error setting SRTP profile\n");
1842 ERR_print_errors(bio_err);
1849 ssl_ctx_set_excert(ctx, exc);
1851 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1852 if (next_proto.data != NULL)
1853 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
1857 unsigned char *alpn = next_protos_parse(&alpn_len, alpn_in);
1860 BIO_printf(bio_err, "Error parsing -alpn argument\n");
1863 /* Returns 0 on success! */
1864 if (SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len) != 0) {
1865 BIO_printf(bio_err, "Error setting ALPN\n");
1871 for (i = 0; i < serverinfo_count; i++) {
1872 if (!SSL_CTX_add_client_custom_ext(ctx,
1873 serverinfo_types[i],
1875 serverinfo_cli_parse_cb, NULL)) {
1877 "Warning: Unable to add custom extension %u, skipping\n",
1878 serverinfo_types[i]);
1883 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1885 #ifndef OPENSSL_NO_CT
1886 /* Enable SCT processing, without early connection termination */
1887 if (ct_validation &&
1888 !SSL_CTX_enable_ct(ctx, SSL_CT_VALIDATION_PERMISSIVE)) {
1889 ERR_print_errors(bio_err);
1893 if (!ctx_set_ctlog_list_file(ctx, ctlog_file)) {
1894 if (ct_validation) {
1895 ERR_print_errors(bio_err);
1900 * If CT validation is not enabled, the log list isn't needed so don't
1901 * show errors or abort. We try to load it regardless because then we
1902 * can show the names of the logs any SCTs came from (SCTs may be seen
1903 * even with validation disabled).
1909 SSL_CTX_set_verify(ctx, verify, verify_callback);
1911 if (!ctx_set_verify_locations(ctx, CAfile, CApath, noCAfile, noCApath)) {
1912 ERR_print_errors(bio_err);
1916 ssl_ctx_add_crls(ctx, crls, crl_download);
1918 if (!set_cert_key_stuff(ctx, cert, key, chain, build_chain))
1921 if (!noservername) {
1922 tlsextcbp.biodebug = bio_err;
1923 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1924 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1926 # ifndef OPENSSL_NO_SRP
1927 if (srp_arg.srplogin) {
1928 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin)) {
1929 BIO_printf(bio_err, "Unable to set SRP username\n");
1932 srp_arg.msg = c_msg;
1933 srp_arg.debug = c_debug;
1934 SSL_CTX_set_srp_cb_arg(ctx, &srp_arg);
1935 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb);
1936 SSL_CTX_set_srp_strength(ctx, srp_arg.strength);
1937 if (c_msg || c_debug || srp_arg.amp == 0)
1938 SSL_CTX_set_srp_verify_param_callback(ctx,
1939 ssl_srp_verify_param_cb);
1943 if (dane_tlsa_domain != NULL) {
1944 if (SSL_CTX_dane_enable(ctx) <= 0) {
1946 "%s: Error enabling DANE TLSA authentication.\n",
1948 ERR_print_errors(bio_err);
1954 * In TLSv1.3 NewSessionTicket messages arrive after the handshake and can
1955 * come at any time. Therefore we use a callback to write out the session
1956 * when we know about it. This approach works for < TLSv1.3 as well.
1958 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_CLIENT
1959 | SSL_SESS_CACHE_NO_INTERNAL_STORE);
1960 SSL_CTX_sess_set_new_cb(ctx, new_session_cb);
1962 if (set_keylog_file(ctx, keylog_file))
1970 SSL_set_post_handshake_auth(con, 1);
1972 if (sess_in != NULL) {
1974 BIO *stmp = BIO_new_file(sess_in, "r");
1976 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1977 ERR_print_errors(bio_err);
1980 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1983 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1984 ERR_print_errors(bio_err);
1987 if (!SSL_set_session(con, sess)) {
1988 BIO_printf(bio_err, "Can't set session\n");
1989 ERR_print_errors(bio_err);
1993 SSL_SESSION_free(sess);
1997 SSL_set_mode(con, SSL_MODE_SEND_FALLBACK_SCSV);
1999 if (!noservername && (servername != NULL || dane_tlsa_domain == NULL)) {
2000 if (servername == NULL)
2001 servername = (host == NULL) ? "localhost" : host;
2002 if (!SSL_set_tlsext_host_name(con, servername)) {
2003 BIO_printf(bio_err, "Unable to set TLS servername extension.\n");
2004 ERR_print_errors(bio_err);
2009 if (dane_tlsa_domain != NULL) {
2010 if (SSL_dane_enable(con, dane_tlsa_domain) <= 0) {
2011 BIO_printf(bio_err, "%s: Error enabling DANE TLSA "
2012 "authentication.\n", prog);
2013 ERR_print_errors(bio_err);
2016 if (dane_tlsa_rrset == NULL) {
2017 BIO_printf(bio_err, "%s: DANE TLSA authentication requires at "
2018 "least one -dane_tlsa_rrdata option.\n", prog);
2021 if (tlsa_import_rrset(con, dane_tlsa_rrset) <= 0) {
2022 BIO_printf(bio_err, "%s: Failed to import any TLSA "
2023 "records.\n", prog);
2026 if (dane_ee_no_name)
2027 SSL_dane_set_flags(con, DANE_FLAG_NO_DANE_EE_NAMECHECKS);
2028 } else if (dane_tlsa_rrset != NULL) {
2029 BIO_printf(bio_err, "%s: DANE TLSA authentication requires the "
2030 "-dane_tlsa_domain option.\n", prog);
2035 if (init_client(&s, host, port, bindhost, bindport, socket_family,
2036 socket_type, protocol) == 0) {
2037 BIO_printf(bio_err, "connect:errno=%d\n", get_last_socket_error());
2041 BIO_printf(bio_c_out, "CONNECTED(%08X)\n", s);
2044 if (!BIO_socket_nbio(s, 1)) {
2045 ERR_print_errors(bio_err);
2048 BIO_printf(bio_c_out, "Turned on non blocking io\n");
2050 #ifndef OPENSSL_NO_DTLS
2052 union BIO_sock_info_u peer_info;
2054 #ifndef OPENSSL_NO_SCTP
2055 if (protocol == IPPROTO_SCTP)
2056 sbio = BIO_new_dgram_sctp(s, BIO_NOCLOSE);
2059 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
2061 if ((peer_info.addr = BIO_ADDR_new()) == NULL) {
2062 BIO_printf(bio_err, "memory allocation failure\n");
2066 if (!BIO_sock_info(s, BIO_SOCK_INFO_ADDRESS, &peer_info)) {
2067 BIO_printf(bio_err, "getsockname:errno=%d\n",
2068 get_last_socket_error());
2069 BIO_ADDR_free(peer_info.addr);
2074 (void)BIO_ctrl_set_connected(sbio, peer_info.addr);
2075 BIO_ADDR_free(peer_info.addr);
2076 peer_info.addr = NULL;
2078 if (enable_timeouts) {
2080 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2081 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2084 timeout.tv_usec = DGRAM_SND_TIMEOUT;
2085 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2089 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
2090 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
2091 DTLS_get_link_min_mtu(con));
2095 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2096 if (!DTLS_set_link_mtu(con, socket_mtu)) {
2097 BIO_printf(bio_err, "Failed to set MTU\n");
2102 /* want to do MTU discovery */
2103 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2106 #endif /* OPENSSL_NO_DTLS */
2107 sbio = BIO_new_socket(s, BIO_NOCLOSE);
2112 test = BIO_new(BIO_f_nbio_test());
2113 sbio = BIO_push(test, sbio);
2117 BIO_set_callback(sbio, bio_dump_callback);
2118 BIO_set_callback_arg(sbio, (char *)bio_c_out);
2121 #ifndef OPENSSL_NO_SSL_TRACE
2123 SSL_set_msg_callback(con, SSL_trace);
2126 SSL_set_msg_callback(con, msg_cb);
2127 SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out);
2130 if (c_tlsextdebug) {
2131 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2132 SSL_set_tlsext_debug_arg(con, bio_c_out);
2134 #ifndef OPENSSL_NO_OCSP
2136 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
2137 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
2138 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
2142 SSL_set_bio(con, sbio, sbio);
2143 SSL_set_connect_state(con);
2145 /* ok, lets connect */
2146 if (fileno_stdin() > SSL_get_fd(con))
2147 width = fileno_stdin() + 1;
2149 width = SSL_get_fd(con) + 1;
2162 switch ((PROTOCOL_CHOICE) starttls_proto) {
2169 * This is an ugly hack that does a lot of assumptions. We do
2170 * have to handle multi-line responses which may come in a single
2171 * packet or not. We therefore have to use BIO_gets() which does
2172 * need a buffering BIO. So during the initial chitchat we do
2173 * push a buffering BIO into the chain that is removed again
2174 * later on to not disturb the rest of the s_client operation.
2177 BIO *fbio = BIO_new(BIO_f_buffer());
2179 BIO_push(fbio, sbio);
2180 /* Wait for multi-line response to end from LMTP or SMTP */
2182 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2183 } while (mbuf_len > 3 && mbuf[3] == '-');
2184 if (protohost == NULL)
2185 protohost = "mail.example.com";
2186 if (starttls_proto == (int)PROTO_LMTP)
2187 BIO_printf(fbio, "LHLO %s\r\n", protohost);
2189 BIO_printf(fbio, "EHLO %s\r\n", protohost);
2190 (void)BIO_flush(fbio);
2192 * Wait for multi-line response to end LHLO LMTP or EHLO SMTP
2196 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2197 if (strstr(mbuf, "STARTTLS"))
2199 } while (mbuf_len > 3 && mbuf[3] == '-');
2200 (void)BIO_flush(fbio);
2205 "Didn't find STARTTLS in server response,"
2206 " trying anyway...\n");
2207 BIO_printf(sbio, "STARTTLS\r\n");
2208 BIO_read(sbio, sbuf, BUFSIZZ);
2213 BIO_read(sbio, mbuf, BUFSIZZ);
2214 BIO_printf(sbio, "STLS\r\n");
2215 mbuf_len = BIO_read(sbio, sbuf, BUFSIZZ);
2217 BIO_printf(bio_err, "BIO_read failed\n");
2225 BIO *fbio = BIO_new(BIO_f_buffer());
2227 BIO_push(fbio, sbio);
2228 BIO_gets(fbio, mbuf, BUFSIZZ);
2229 /* STARTTLS command requires CAPABILITY... */
2230 BIO_printf(fbio, ". CAPABILITY\r\n");
2231 (void)BIO_flush(fbio);
2232 /* wait for multi-line CAPABILITY response */
2234 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2235 if (strstr(mbuf, "STARTTLS"))
2238 while (mbuf_len > 3 && mbuf[0] != '.');
2239 (void)BIO_flush(fbio);
2244 "Didn't find STARTTLS in server response,"
2245 " trying anyway...\n");
2246 BIO_printf(sbio, ". STARTTLS\r\n");
2247 BIO_read(sbio, sbuf, BUFSIZZ);
2252 BIO *fbio = BIO_new(BIO_f_buffer());
2254 BIO_push(fbio, sbio);
2255 /* wait for multi-line response to end from FTP */
2257 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2259 while (mbuf_len > 3 && mbuf[3] == '-');
2260 (void)BIO_flush(fbio);
2263 BIO_printf(sbio, "AUTH TLS\r\n");
2264 BIO_read(sbio, sbuf, BUFSIZZ);
2268 case PROTO_XMPP_SERVER:
2271 BIO_printf(sbio, "<stream:stream "
2272 "xmlns:stream='http://etherx.jabber.org/streams' "
2273 "xmlns='jabber:%s' to='%s' version='1.0'>",
2274 starttls_proto == PROTO_XMPP ? "client" : "server",
2275 protohost ? protohost : host);
2276 seen = BIO_read(sbio, mbuf, BUFSIZZ);
2278 BIO_printf(bio_err, "BIO_read failed\n");
2283 (mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")
2285 "<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\""))
2287 seen = BIO_read(sbio, mbuf, BUFSIZZ);
2295 "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
2296 seen = BIO_read(sbio, sbuf, BUFSIZZ);
2298 BIO_printf(bio_err, "BIO_read failed\n");
2302 if (!strstr(sbuf, "<proceed"))
2309 static const unsigned char tls_do[] = {
2310 /* IAC DO START_TLS */
2313 static const unsigned char tls_will[] = {
2314 /* IAC WILL START_TLS */
2317 static const unsigned char tls_follows[] = {
2318 /* IAC SB START_TLS FOLLOWS IAC SE */
2319 255, 250, 46, 1, 255, 240
2323 /* Telnet server should demand we issue START_TLS */
2324 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
2325 if (bytes != 3 || memcmp(mbuf, tls_do, 3) != 0)
2327 /* Agree to issue START_TLS and send the FOLLOWS sub-command */
2328 BIO_write(sbio, tls_will, 3);
2329 BIO_write(sbio, tls_follows, 6);
2330 (void)BIO_flush(sbio);
2331 /* Telnet server also sent the FOLLOWS sub-command */
2332 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
2333 if (bytes != 6 || memcmp(mbuf, tls_follows, 6) != 0)
2340 error_proto, /* Wrong protocol, not even HTTP */
2341 error_connect, /* CONNECT failed */
2343 } foundit = error_connect;
2344 BIO *fbio = BIO_new(BIO_f_buffer());
2346 BIO_push(fbio, sbio);
2347 BIO_printf(fbio, "CONNECT %s HTTP/1.0\r\n", connectstr);
2349 * Workaround for broken proxies which would otherwise close
2350 * the connection when entering tunnel mode (eg Squid 2.6)
2352 BIO_printf(fbio, "Proxy-Connection: Keep-Alive\r\n");
2354 /* Support for basic (base64) proxy authentication */
2355 if (proxyuser != NULL) {
2357 char *proxyauth, *proxyauthenc;
2359 l = strlen(proxyuser);
2360 if (proxypass != NULL)
2361 l += strlen(proxypass);
2362 proxyauth = app_malloc(l + 2, "Proxy auth string");
2363 snprintf(proxyauth, l + 2, "%s:%s", proxyuser, (proxypass != NULL) ? proxypass : "");
2364 proxyauthenc = base64encode(proxyauth, strlen(proxyauth));
2365 BIO_printf(fbio, "Proxy-Authorization: Basic %s\r\n", proxyauthenc);
2366 OPENSSL_clear_free(proxyauth, strlen(proxyauth));
2367 OPENSSL_clear_free(proxyauthenc, strlen(proxyauthenc));
2370 /* Terminate the HTTP CONNECT request */
2371 BIO_printf(fbio, "\r\n");
2372 (void)BIO_flush(fbio);
2374 * The first line is the HTTP response. According to RFC 7230,
2375 * it's formated exactly like this:
2377 * HTTP/d.d ddd Reason text\r\n
2379 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2380 if (mbuf_len < (int)strlen("HTTP/1.0 200")) {
2382 "%s: HTTP CONNECT failed, insufficient response "
2383 "from proxy (got %d octets)\n", prog, mbuf_len);
2384 (void)BIO_flush(fbio);
2389 if (mbuf[8] != ' ') {
2391 "%s: HTTP CONNECT failed, incorrect response "
2392 "from proxy\n", prog);
2393 foundit = error_proto;
2394 } else if (mbuf[9] != '2') {
2395 BIO_printf(bio_err, "%s: HTTP CONNECT failed: %s ", prog,
2400 if (foundit != error_proto) {
2401 /* Read past all following headers */
2403 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2404 } while (mbuf_len > 2);
2406 (void)BIO_flush(fbio);
2409 if (foundit != success) {
2417 BIO *fbio = BIO_new(BIO_f_buffer());
2419 BIO_push(fbio, sbio);
2420 BIO_printf(fbio, "STARTTLS\r\n");
2421 (void)BIO_flush(fbio);
2422 width = SSL_get_fd(con) + 1;
2428 openssl_fdset(SSL_get_fd(con), &readfds);
2429 timeout.tv_sec = S_CLIENT_IRC_READ_TIMEOUT;
2430 timeout.tv_usec = 0;
2432 * If the IRCd doesn't respond within
2433 * S_CLIENT_IRC_READ_TIMEOUT seconds, assume
2434 * it doesn't support STARTTLS. Many IRCds
2435 * will not give _any_ sort of response to a
2436 * STARTTLS command when it's not supported.
2438 if (!BIO_get_buffer_num_lines(fbio)
2439 && !BIO_pending(fbio)
2440 && !BIO_pending(sbio)
2441 && select(width, (void *)&readfds, NULL, NULL,
2444 "Timeout waiting for response (%d seconds).\n",
2445 S_CLIENT_IRC_READ_TIMEOUT);
2449 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2450 if (mbuf_len < 1 || sscanf(mbuf, "%*s %d", &numeric) != 1)
2452 /* :example.net 451 STARTTLS :You have not registered */
2453 /* :example.net 421 STARTTLS :Unknown command */
2454 if ((numeric == 451 || numeric == 421)
2455 && strstr(mbuf, "STARTTLS") != NULL) {
2456 BIO_printf(bio_err, "STARTTLS not supported: %s", mbuf);
2459 if (numeric == 691) {
2460 BIO_printf(bio_err, "STARTTLS negotiation failed: ");
2461 ERR_print_errors(bio_err);
2464 } while (numeric != 670);
2466 (void)BIO_flush(fbio);
2469 if (numeric != 670) {
2470 BIO_printf(bio_err, "Server does not support STARTTLS.\n");
2478 /* SSL request packet */
2479 static const unsigned char ssl_req[] = {
2480 /* payload_length, sequence_id */
2481 0x20, 0x00, 0x00, 0x01,
2483 /* capability flags, CLIENT_SSL always set */
2484 0x85, 0xae, 0x7f, 0x00,
2485 /* max-packet size */
2486 0x00, 0x00, 0x00, 0x01,
2489 /* string[23] reserved (all [0]) */
2490 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
2491 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
2492 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
2495 int ssl_flg = 0x800;
2497 const unsigned char *packet = (const unsigned char *)sbuf;
2499 /* Receiving Initial Handshake packet. */
2500 bytes = BIO_read(sbio, (void *)packet, BUFSIZZ);
2502 BIO_printf(bio_err, "BIO_read failed\n");
2504 /* Packet length[3], Packet number[1] + minimum payload[17] */
2505 } else if (bytes < 21) {
2506 BIO_printf(bio_err, "MySQL packet too short.\n");
2508 } else if (bytes != (4 + packet[0] +
2510 (packet[2] << 16))) {
2511 BIO_printf(bio_err, "MySQL packet length does not match.\n");
2513 /* protocol version[1] */
2514 } else if (packet[4] != 0xA) {
2516 "Only MySQL protocol version 10 is supported.\n");
2521 /* server version[string+NULL] */
2524 BIO_printf(bio_err, "Cannot confirm server version. ");
2526 } else if (packet[pos++] == '\0') {
2531 /* make sure we have at least 15 bytes left in the packet */
2532 if (pos + 15 > bytes) {
2534 "MySQL server handshake packet is broken.\n");
2538 pos += 12; /* skip over conn id[4] + SALT[8] */
2539 if (packet[pos++] != '\0') { /* verify filler */
2541 "MySQL packet is broken.\n");
2545 /* capability flags[2] */
2546 if (!((packet[pos] + (packet[pos + 1] << 8)) & ssl_flg)) {
2547 BIO_printf(bio_err, "MySQL server does not support SSL.\n");
2551 /* Sending SSL Handshake packet. */
2552 BIO_write(sbio, ssl_req, sizeof(ssl_req));
2553 (void)BIO_flush(sbio);
2556 case PROTO_POSTGRES:
2558 static const unsigned char ssl_request[] = {
2559 /* Length SSLRequest */
2560 0, 0, 0, 8, 4, 210, 22, 47
2564 /* Send SSLRequest packet */
2565 BIO_write(sbio, ssl_request, 8);
2566 (void)BIO_flush(sbio);
2568 /* Reply will be a single S if SSL is enabled */
2569 bytes = BIO_read(sbio, sbuf, BUFSIZZ);
2570 if (bytes != 1 || sbuf[0] != 'S')
2577 BIO *fbio = BIO_new(BIO_f_buffer());
2579 BIO_push(fbio, sbio);
2580 BIO_gets(fbio, mbuf, BUFSIZZ);
2581 /* STARTTLS command requires CAPABILITIES... */
2582 BIO_printf(fbio, "CAPABILITIES\r\n");
2583 (void)BIO_flush(fbio);
2584 BIO_gets(fbio, mbuf, BUFSIZZ);
2585 /* no point in trying to parse the CAPABILITIES response if there is none */
2586 if (strstr(mbuf, "101") != NULL) {
2587 /* wait for multi-line CAPABILITIES response */
2589 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2590 if (strstr(mbuf, "STARTTLS"))
2592 } while (mbuf_len > 1 && mbuf[0] != '.');
2594 (void)BIO_flush(fbio);
2599 "Didn't find STARTTLS in server response,"
2600 " trying anyway...\n");
2601 BIO_printf(sbio, "STARTTLS\r\n");
2602 mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ);
2604 BIO_printf(bio_err, "BIO_read failed\n");
2607 mbuf[mbuf_len] = '\0';
2608 if (strstr(mbuf, "382") == NULL) {
2609 BIO_printf(bio_err, "STARTTLS failed: %s", mbuf);
2617 BIO *fbio = BIO_new(BIO_f_buffer());
2619 BIO_push(fbio, sbio);
2620 /* wait for multi-line response to end from Sieve */
2622 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
2624 * According to RFC 5804 § 1.7, capability
2625 * is case-insensitive, make it uppercase
2627 if (mbuf_len > 1 && mbuf[0] == '"') {
2628 make_uppercase(mbuf);
2629 if (strncmp(mbuf, "\"STARTTLS\"", 10) == 0)
2632 } while (mbuf_len > 1 && mbuf[0] == '"');
2633 (void)BIO_flush(fbio);
2638 "Didn't find STARTTLS in server response,"
2639 " trying anyway...\n");
2640 BIO_printf(sbio, "STARTTLS\r\n");
2641 mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ);
2643 BIO_printf(bio_err, "BIO_read failed\n");
2646 mbuf[mbuf_len] = '\0';
2648 BIO_printf(bio_err, "STARTTLS failed: %s", mbuf);
2652 * According to RFC 5804 § 2.2, response codes are case-
2653 * insensitive, make it uppercase but preserve the response.
2655 strncpy(sbuf, mbuf, 2);
2656 make_uppercase(sbuf);
2657 if (strncmp(sbuf, "OK", 2) != 0) {
2658 BIO_printf(bio_err, "STARTTLS not supported: %s", mbuf);
2665 /* StartTLS Operation according to RFC 4511 */
2666 static char ldap_tls_genconf[] = "asn1=SEQUENCE:LDAPMessage\n"
2668 "messageID=INTEGER:1\n"
2669 "extendedReq=EXPLICIT:23A,IMPLICIT:0C,"
2670 "FORMAT:ASCII,OCT:1.3.6.1.4.1.1466.20037\n";
2672 char *genstr = NULL;
2674 ASN1_TYPE *atyp = NULL;
2675 BIO *ldapbio = BIO_new(BIO_s_mem());
2676 CONF *cnf = NCONF_new(NULL);
2682 BIO_puts(ldapbio, ldap_tls_genconf);
2683 if (NCONF_load_bio(cnf, ldapbio, &errline) <= 0) {
2687 BIO_printf(bio_err, "NCONF_load_bio failed\n");
2690 BIO_printf(bio_err, "Error on line %ld\n", errline);
2695 genstr = NCONF_get_string(cnf, "default", "asn1");
2696 if (genstr == NULL) {
2698 BIO_printf(bio_err, "NCONF_get_string failed\n");
2701 atyp = ASN1_generate_nconf(genstr, cnf);
2704 BIO_printf(bio_err, "ASN1_generate_nconf failed\n");
2709 /* Send SSLRequest packet */
2710 BIO_write(sbio, atyp->value.sequence->data,
2711 atyp->value.sequence->length);
2712 (void)BIO_flush(sbio);
2713 ASN1_TYPE_free(atyp);
2715 mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ);
2717 BIO_printf(bio_err, "BIO_read failed\n");
2720 result = ldap_ExtendedResponse_parse(mbuf, mbuf_len);
2722 BIO_printf(bio_err, "ldap_ExtendedResponse_parse failed\n");
2724 } else if (result > 0) {
2725 BIO_printf(bio_err, "STARTTLS failed, LDAP Result Code: %i\n",
2734 if (early_data_file != NULL
2735 && ((SSL_get0_session(con) != NULL
2736 && SSL_SESSION_get_max_early_data(SSL_get0_session(con)) > 0)
2738 && SSL_SESSION_get_max_early_data(psksess) > 0))) {
2739 BIO *edfile = BIO_new_file(early_data_file, "r");
2740 size_t readbytes, writtenbytes;
2743 if (edfile == NULL) {
2744 BIO_printf(bio_err, "Cannot open early data file\n");
2749 if (!BIO_read_ex(edfile, cbuf, BUFSIZZ, &readbytes))
2752 while (!SSL_write_early_data(con, cbuf, readbytes, &writtenbytes)) {
2753 switch (SSL_get_error(con, 0)) {
2754 case SSL_ERROR_WANT_WRITE:
2755 case SSL_ERROR_WANT_ASYNC:
2756 case SSL_ERROR_WANT_READ:
2757 /* Just keep trying - busy waiting */
2760 BIO_printf(bio_err, "Error writing early data\n");
2762 ERR_print_errors(bio_err);
2775 if (SSL_is_dtls(con) && DTLSv1_get_timeout(con, &timeout))
2776 timeoutp = &timeout;
2780 if (!SSL_is_init_finished(con) && SSL_total_renegotiations(con) == 0
2781 && SSL_get_key_update_type(con) == SSL_KEY_UPDATE_NONE) {
2790 BIO_puts(bio_err, "CONNECTION ESTABLISHED\n");
2791 print_ssl_summary(con);
2794 print_stuff(bio_c_out, con, full_log);
2798 if (starttls_proto) {
2799 BIO_write(bio_err, mbuf, mbuf_len);
2800 /* We don't need to know any more */
2802 starttls_proto = PROTO_OFF;
2807 BIO_printf(bio_c_out,
2808 "drop connection and then reconnect\n");
2809 do_ssl_shutdown(con);
2810 SSL_set_connect_state(con);
2811 BIO_closesocket(SSL_get_fd(con));
2817 ssl_pending = read_ssl && SSL_has_pending(con);
2820 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
2823 * Note that select() returns when read _would not block_,
2824 * and EOF satisfies that. To avoid a CPU-hogging loop,
2825 * set the flag so we exit.
2827 if (read_tty && !at_eof)
2828 openssl_fdset(fileno_stdin(), &readfds);
2829 #if !defined(OPENSSL_SYS_VMS)
2831 openssl_fdset(fileno_stdout(), &writefds);
2835 openssl_fdset(SSL_get_fd(con), &readfds);
2837 openssl_fdset(SSL_get_fd(con), &writefds);
2839 if (!tty_on || !write_tty) {
2841 openssl_fdset(SSL_get_fd(con), &readfds);
2843 openssl_fdset(SSL_get_fd(con), &writefds);
2848 * Note: under VMS with SOCKETSHR the second parameter is
2849 * currently of type (int *) whereas under other systems it is
2850 * (void *) if you don't have a cast it will choke the compiler:
2851 * if you do have a cast then you can either go for (int *) or
2854 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2856 * Under Windows/DOS we make the assumption that we can always
2857 * write to the tty: therefore if we need to write to the tty we
2858 * just fall through. Otherwise we timeout the select every
2859 * second and see if there are any keypresses. Note: this is a
2860 * hack, in a proper Windows application we wouldn't do this.
2867 i = select(width, (void *)&readfds, (void *)&writefds,
2869 if (!i && (!has_stdin_waiting() || !read_tty))
2872 i = select(width, (void *)&readfds, (void *)&writefds,
2876 i = select(width, (void *)&readfds, (void *)&writefds,
2880 BIO_printf(bio_err, "bad select %d\n",
2881 get_last_socket_error());
2886 if (SSL_is_dtls(con) && DTLSv1_handle_timeout(con) > 0)
2887 BIO_printf(bio_err, "TIMEOUT occurred\n");
2889 if (!ssl_pending && FD_ISSET(SSL_get_fd(con), &writefds)) {
2890 k = SSL_write(con, &(cbuf[cbuf_off]), (unsigned int)cbuf_len);
2891 switch (SSL_get_error(con, k)) {
2892 case SSL_ERROR_NONE:
2897 /* we have done a write(con,NULL,0); */
2898 if (cbuf_len <= 0) {
2901 } else { /* if (cbuf_len > 0) */
2907 case SSL_ERROR_WANT_WRITE:
2908 BIO_printf(bio_c_out, "write W BLOCK\n");
2912 case SSL_ERROR_WANT_ASYNC:
2913 BIO_printf(bio_c_out, "write A BLOCK\n");
2914 wait_for_async(con);
2918 case SSL_ERROR_WANT_READ:
2919 BIO_printf(bio_c_out, "write R BLOCK\n");
2924 case SSL_ERROR_WANT_X509_LOOKUP:
2925 BIO_printf(bio_c_out, "write X BLOCK\n");
2927 case SSL_ERROR_ZERO_RETURN:
2928 if (cbuf_len != 0) {
2929 BIO_printf(bio_c_out, "shutdown\n");
2938 case SSL_ERROR_SYSCALL:
2939 if ((k != 0) || (cbuf_len != 0)) {
2940 BIO_printf(bio_err, "write:errno=%d\n",
2941 get_last_socket_error());
2948 case SSL_ERROR_WANT_ASYNC_JOB:
2949 /* This shouldn't ever happen in s_client - treat as an error */
2951 ERR_print_errors(bio_err);
2955 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_VMS)
2956 /* Assume Windows/DOS/BeOS can always write */
2957 else if (!ssl_pending && write_tty)
2959 else if (!ssl_pending && FD_ISSET(fileno_stdout(), &writefds))
2962 #ifdef CHARSET_EBCDIC
2963 ascii2ebcdic(&(sbuf[sbuf_off]), &(sbuf[sbuf_off]), sbuf_len);
2965 i = raw_write_stdout(&(sbuf[sbuf_off]), sbuf_len);
2968 BIO_printf(bio_c_out, "DONE\n");
2975 if (sbuf_len <= 0) {
2979 } else if (ssl_pending || FD_ISSET(SSL_get_fd(con), &readfds)) {
2984 SSL_renegotiate(con);
2989 k = SSL_read(con, sbuf, 1024 /* BUFSIZZ */ );
2991 switch (SSL_get_error(con, k)) {
2992 case SSL_ERROR_NONE:
3001 case SSL_ERROR_WANT_ASYNC:
3002 BIO_printf(bio_c_out, "read A BLOCK\n");
3003 wait_for_async(con);
3006 if ((read_tty == 0) && (write_ssl == 0))
3009 case SSL_ERROR_WANT_WRITE:
3010 BIO_printf(bio_c_out, "read W BLOCK\n");
3014 case SSL_ERROR_WANT_READ:
3015 BIO_printf(bio_c_out, "read R BLOCK\n");
3018 if ((read_tty == 0) && (write_ssl == 0))
3021 case SSL_ERROR_WANT_X509_LOOKUP:
3022 BIO_printf(bio_c_out, "read X BLOCK\n");
3024 case SSL_ERROR_SYSCALL:
3025 ret = get_last_socket_error();
3027 BIO_puts(bio_err, "CONNECTION CLOSED BY SERVER\n");
3029 BIO_printf(bio_err, "read:errno=%d\n", ret);
3031 case SSL_ERROR_ZERO_RETURN:
3032 BIO_printf(bio_c_out, "closed\n");
3035 case SSL_ERROR_WANT_ASYNC_JOB:
3036 /* This shouldn't ever happen in s_client. Treat as an error */
3038 ERR_print_errors(bio_err);
3042 /* OPENSSL_SYS_MSDOS includes OPENSSL_SYS_WINDOWS */
3043 #if defined(OPENSSL_SYS_MSDOS)
3044 else if (has_stdin_waiting())
3046 else if (FD_ISSET(fileno_stdin(), &readfds))
3052 i = raw_read_stdin(cbuf, BUFSIZZ / 2);
3054 /* both loops are skipped when i <= 0 */
3055 for (j = 0; j < i; j++)
3056 if (cbuf[j] == '\n')
3058 for (j = i - 1; j >= 0; j--) {
3059 cbuf[j + lf_num] = cbuf[j];
3060 if (cbuf[j] == '\n') {
3063 cbuf[j + lf_num] = '\r';
3066 assert(lf_num == 0);
3068 i = raw_read_stdin(cbuf, BUFSIZZ);
3069 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
3074 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q' && cmdletters))) {
3075 BIO_printf(bio_err, "DONE\n");
3080 if ((!c_ign_eof) && (cbuf[0] == 'R' && cmdletters)) {
3081 BIO_printf(bio_err, "RENEGOTIATING\n");
3082 SSL_renegotiate(con);
3086 if (!c_ign_eof && (cbuf[0] == 'K' || cbuf[0] == 'k' )
3088 BIO_printf(bio_err, "KEYUPDATE\n");
3090 cbuf[0] == 'K' ? SSL_KEY_UPDATE_REQUESTED
3091 : SSL_KEY_UPDATE_NOT_REQUESTED);
3094 #ifndef OPENSSL_NO_HEARTBEATS
3095 else if ((!c_ign_eof) && (cbuf[0] == 'B' && cmdletters)) {
3096 BIO_printf(bio_err, "HEARTBEATING\n");
3104 #ifdef CHARSET_EBCDIC
3105 ebcdic2ascii(cbuf, cbuf, i);
3117 print_stuff(bio_c_out, con, full_log);
3118 do_ssl_shutdown(con);
3121 * If we ended with an alert being sent, but still with data in the
3122 * network buffer to be read, then calling BIO_closesocket() will
3123 * result in a TCP-RST being sent. On some platforms (notably
3124 * Windows) then this will result in the peer immediately abandoning
3125 * the connection including any buffered alert data before it has
3126 * had a chance to be read. Shutting down the sending side first,
3127 * and then closing the socket sends TCP-FIN first followed by
3128 * TCP-RST. This seems to allow the peer to read the alert data.
3130 shutdown(SSL_get_fd(con), 1); /* SHUT_WR */
3132 * We just said we have nothing else to say, but it doesn't mean that
3133 * the other side has nothing. It's even recommended to consume incoming
3134 * data. [In testing context this ensures that alerts are passed on...]
3137 timeout.tv_usec = 500000; /* some extreme round-trip */
3140 openssl_fdset(s, &readfds);
3141 } while (select(s + 1, &readfds, NULL, NULL, &timeout) > 0
3142 && BIO_read(sbio, sbuf, BUFSIZZ) > 0);
3144 BIO_closesocket(SSL_get_fd(con));
3148 print_stuff(bio_c_out, con, 1);
3151 SSL_SESSION_free(psksess);
3152 #if !defined(OPENSSL_NO_NEXTPROTONEG)
3153 OPENSSL_free(next_proto.data);
3156 set_keylog_file(NULL, NULL);
3158 sk_X509_CRL_pop_free(crls, X509_CRL_free);
3160 sk_X509_pop_free(chain, X509_free);
3162 #ifndef OPENSSL_NO_SRP
3163 OPENSSL_free(srp_arg.srppassin);
3165 OPENSSL_free(connectstr);
3166 OPENSSL_free(bindstr);
3169 X509_VERIFY_PARAM_free(vpm);
3170 ssl_excert_free(exc);
3171 sk_OPENSSL_STRING_free(ssl_args);
3172 sk_OPENSSL_STRING_free(dane_tlsa_rrset);
3173 SSL_CONF_CTX_free(cctx);
3174 OPENSSL_clear_free(cbuf, BUFSIZZ);
3175 OPENSSL_clear_free(sbuf, BUFSIZZ);
3176 OPENSSL_clear_free(mbuf, BUFSIZZ);
3177 if (proxypass != NULL)
3178 OPENSSL_clear_free(proxypass, strlen(proxypass));
3180 BIO_free(bio_c_out);
3182 BIO_free(bio_c_msg);
3187 static void print_stuff(BIO *bio, SSL *s, int full)
3191 const SSL_CIPHER *c;
3192 int i, istls13 = (SSL_version(s) == TLS1_3_VERSION);
3194 #ifndef OPENSSL_NO_COMP
3195 const COMP_METHOD *comp, *expansion;
3197 unsigned char *exportedkeymat;
3198 #ifndef OPENSSL_NO_CT
3199 const SSL_CTX *ctx = SSL_get_SSL_CTX(s);
3203 int got_a_chain = 0;
3205 sk = SSL_get_peer_cert_chain(s);
3209 BIO_printf(bio, "---\nCertificate chain\n");
3210 for (i = 0; i < sk_X509_num(sk); i++) {
3211 BIO_printf(bio, "%2d s:", i);
3212 X509_NAME_print_ex(bio, X509_get_subject_name(sk_X509_value(sk, i)), 0, get_nameopt());
3213 BIO_puts(bio, "\n");
3214 BIO_printf(bio, " i:");
3215 X509_NAME_print_ex(bio, X509_get_issuer_name(sk_X509_value(sk, i)), 0, get_nameopt());
3216 BIO_puts(bio, "\n");
3218 PEM_write_bio_X509(bio, sk_X509_value(sk, i));
3222 BIO_printf(bio, "---\n");
3223 peer = SSL_get_peer_certificate(s);
3225 BIO_printf(bio, "Server certificate\n");
3227 /* Redundant if we showed the whole chain */
3228 if (!(c_showcerts && got_a_chain))
3229 PEM_write_bio_X509(bio, peer);
3230 dump_cert_text(bio, peer);
3232 BIO_printf(bio, "no peer certificate available\n");
3234 print_ca_names(bio, s);
3236 ssl_print_sigalgs(bio, s);
3237 ssl_print_tmp_key(bio, s);
3239 #ifndef OPENSSL_NO_CT
3241 * When the SSL session is anonymous, or resumed via an abbreviated
3242 * handshake, no SCTs are provided as part of the handshake. While in
3243 * a resumed session SCTs may be present in the session's certificate,
3244 * no callbacks are invoked to revalidate these, and in any case that
3245 * set of SCTs may be incomplete. Thus it makes little sense to
3246 * attempt to display SCTs from a resumed session's certificate, and of
3247 * course none are associated with an anonymous peer.
3249 if (peer != NULL && !SSL_session_reused(s) && SSL_ct_is_enabled(s)) {
3250 const STACK_OF(SCT) *scts = SSL_get0_peer_scts(s);
3251 int sct_count = scts != NULL ? sk_SCT_num(scts) : 0;
3253 BIO_printf(bio, "---\nSCTs present (%i)\n", sct_count);
3254 if (sct_count > 0) {
3255 const CTLOG_STORE *log_store = SSL_CTX_get0_ctlog_store(ctx);
3257 BIO_printf(bio, "---\n");
3258 for (i = 0; i < sct_count; ++i) {
3259 SCT *sct = sk_SCT_value(scts, i);
3261 BIO_printf(bio, "SCT validation status: %s\n",
3262 SCT_validation_status_string(sct));
3263 SCT_print(sct, bio, 0, log_store);
3264 if (i < sct_count - 1)
3265 BIO_printf(bio, "\n---\n");
3267 BIO_printf(bio, "\n");
3273 "---\nSSL handshake has read %ju bytes "
3274 "and written %ju bytes\n",
3275 BIO_number_read(SSL_get_rbio(s)),
3276 BIO_number_written(SSL_get_wbio(s)));
3278 print_verify_detail(s, bio);
3279 BIO_printf(bio, (SSL_session_reused(s) ? "---\nReused, " : "---\nNew, "));
3280 c = SSL_get_current_cipher(s);
3281 BIO_printf(bio, "%s, Cipher is %s\n",
3282 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
3286 pktmp = X509_get0_pubkey(peer);
3287 BIO_printf(bio, "Server public key is %d bit\n",
3288 EVP_PKEY_bits(pktmp));
3290 BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
3291 SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
3292 #ifndef OPENSSL_NO_COMP
3293 comp = SSL_get_current_compression(s);
3294 expansion = SSL_get_current_expansion(s);
3295 BIO_printf(bio, "Compression: %s\n",
3296 comp ? SSL_COMP_get_name(comp) : "NONE");
3297 BIO_printf(bio, "Expansion: %s\n",
3298 expansion ? SSL_COMP_get_name(expansion) : "NONE");
3300 #ifndef OPENSSL_NO_KTLS
3301 if (BIO_get_ktls_send(SSL_get_wbio(s)))
3302 BIO_printf(bio_err, "Using Kernel TLS for sending\n");
3307 /* Print out local port of connection: useful for debugging */
3309 union BIO_sock_info_u info;
3311 sock = SSL_get_fd(s);
3312 if ((info.addr = BIO_ADDR_new()) != NULL
3313 && BIO_sock_info(sock, BIO_SOCK_INFO_ADDRESS, &info)) {
3314 BIO_printf(bio_c_out, "LOCAL PORT is %u\n",
3315 ntohs(BIO_ADDR_rawport(info.addr)));
3317 BIO_ADDR_free(info.addr);
3321 #if !defined(OPENSSL_NO_NEXTPROTONEG)
3322 if (next_proto.status != -1) {
3323 const unsigned char *proto;
3324 unsigned int proto_len;
3325 SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
3326 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
3327 BIO_write(bio, proto, proto_len);
3328 BIO_write(bio, "\n", 1);
3332 const unsigned char *proto;
3333 unsigned int proto_len;
3334 SSL_get0_alpn_selected(s, &proto, &proto_len);
3335 if (proto_len > 0) {
3336 BIO_printf(bio, "ALPN protocol: ");
3337 BIO_write(bio, proto, proto_len);
3338 BIO_write(bio, "\n", 1);
3340 BIO_printf(bio, "No ALPN negotiated\n");
3343 #ifndef OPENSSL_NO_SRTP
3345 SRTP_PROTECTION_PROFILE *srtp_profile =
3346 SSL_get_selected_srtp_profile(s);
3349 BIO_printf(bio, "SRTP Extension negotiated, profile=%s\n",
3350 srtp_profile->name);
3355 switch (SSL_get_early_data_status(s)) {
3356 case SSL_EARLY_DATA_NOT_SENT:
3357 BIO_printf(bio, "Early data was not sent\n");
3360 case SSL_EARLY_DATA_REJECTED:
3361 BIO_printf(bio, "Early data was rejected\n");
3364 case SSL_EARLY_DATA_ACCEPTED:
3365 BIO_printf(bio, "Early data was accepted\n");
3371 * We also print the verify results when we dump session information,
3372 * but in TLSv1.3 we may not get that right away (or at all) depending
3373 * on when we get a NewSessionTicket. Therefore we print it now as well.
3375 verify_result = SSL_get_verify_result(s);
3376 BIO_printf(bio, "Verify return code: %ld (%s)\n", verify_result,
3377 X509_verify_cert_error_string(verify_result));
3379 /* In TLSv1.3 we do this on arrival of a NewSessionTicket */
3380 SSL_SESSION_print(bio, SSL_get_session(s));
3383 if (SSL_get_session(s) != NULL && keymatexportlabel != NULL) {
3384 BIO_printf(bio, "Keying material exporter:\n");
3385 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel);
3386 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen);
3387 exportedkeymat = app_malloc(keymatexportlen, "export key");
3388 if (!SSL_export_keying_material(s, exportedkeymat,
3391 strlen(keymatexportlabel),
3393 BIO_printf(bio, " Error\n");
3395 BIO_printf(bio, " Keying material: ");
3396 for (i = 0; i < keymatexportlen; i++)
3397 BIO_printf(bio, "%02X", exportedkeymat[i]);
3398 BIO_printf(bio, "\n");
3400 OPENSSL_free(exportedkeymat);
3402 BIO_printf(bio, "---\n");
3404 /* flush, or debugging output gets mixed with http response */
3405 (void)BIO_flush(bio);
3408 # ifndef OPENSSL_NO_OCSP
3409 static int ocsp_resp_cb(SSL *s, void *arg)
3411 const unsigned char *p;
3414 len = SSL_get_tlsext_status_ocsp_resp(s, &p);
3415 BIO_puts(arg, "OCSP response: ");
3417 BIO_puts(arg, "no response sent\n");
3420 rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
3422 BIO_puts(arg, "response parse error\n");
3423 BIO_dump_indent(arg, (char *)p, len, 4);
3426 BIO_puts(arg, "\n======================================\n");
3427 OCSP_RESPONSE_print(arg, rsp, 0);
3428 BIO_puts(arg, "======================================\n");
3429 OCSP_RESPONSE_free(rsp);
3434 static int ldap_ExtendedResponse_parse(const char *buf, long rem)
3436 const unsigned char *cur, *end;
3438 int tag, xclass, inf, ret = -1;
3440 cur = (const unsigned char *)buf;
3446 * LDAPMessage ::= SEQUENCE {
3447 * messageID MessageID,
3448 * protocolOp CHOICE {
3450 * extendedResp ExtendedResponse,
3452 * controls [0] Controls OPTIONAL }
3454 * ExtendedResponse ::= [APPLICATION 24] SEQUENCE {
3455 * COMPONENTS OF LDAPResult,
3456 * responseName [10] LDAPOID OPTIONAL,
3457 * responseValue [11] OCTET STRING OPTIONAL }
3459 * LDAPResult ::= SEQUENCE {
3460 * resultCode ENUMERATED {
3466 * diagnosticMessage LDAPString,
3467 * referral [3] Referral OPTIONAL }
3471 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3472 if (inf != V_ASN1_CONSTRUCTED || tag != V_ASN1_SEQUENCE ||
3473 (rem = end - cur, len > rem)) {
3474 BIO_printf(bio_err, "Unexpected LDAP response\n");
3478 rem = len; /* ensure that we don't overstep the SEQUENCE */
3480 /* pull MessageID */
3481 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3482 if (inf != V_ASN1_UNIVERSAL || tag != V_ASN1_INTEGER ||
3483 (rem = end - cur, len > rem)) {
3484 BIO_printf(bio_err, "No MessageID\n");
3488 cur += len; /* shall we check for MessageId match or just skip? */
3490 /* pull [APPLICATION 24] */
3492 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3493 if (inf != V_ASN1_CONSTRUCTED || xclass != V_ASN1_APPLICATION ||
3495 BIO_printf(bio_err, "Not ExtendedResponse\n");
3499 /* pull resultCode */
3501 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem);
3502 if (inf != V_ASN1_UNIVERSAL || tag != V_ASN1_ENUMERATED || len == 0 ||
3503 (rem = end - cur, len > rem)) {
3504 BIO_printf(bio_err, "Not LDAPResult\n");
3508 /* len should always be one, but just in case... */
3509 for (ret = 0, inf = 0; inf < len; inf++) {
3513 /* There is more data, but we don't care... */
3519 * BASE64 encoder: used only for encoding basic proxy authentication credentials
3521 static char *base64encode (const void *buf, size_t len)
3527 /* Calculate size of encoded data */
3532 out = app_malloc(outl + 1, "base64 encode buffer");
3534 i = EVP_EncodeBlock((unsigned char *)out, buf, len);
3535 assert(i <= (int)outl);
3541 #endif /* OPENSSL_NO_SOCK */