2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
58 /* ====================================================================
59 * Copyright (c) 1998-2006 The OpenSSL Project. All rights reserved.
61 * Redistribution and use in source and binary forms, with or without
62 * modification, are permitted provided that the following conditions
65 * 1. Redistributions of source code must retain the above copyright
66 * notice, this list of conditions and the following disclaimer.
68 * 2. Redistributions in binary form must reproduce the above copyright
69 * notice, this list of conditions and the following disclaimer in
70 * the documentation and/or other materials provided with the
73 * 3. All advertising materials mentioning features or use of this
74 * software must display the following acknowledgment:
75 * "This product includes software developed by the OpenSSL Project
76 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
78 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
79 * endorse or promote products derived from this software without
80 * prior written permission. For written permission, please contact
81 * openssl-core@openssl.org.
83 * 5. Products derived from this software may not be called "OpenSSL"
84 * nor may "OpenSSL" appear in their names without prior written
85 * permission of the OpenSSL Project.
87 * 6. Redistributions of any form whatsoever must retain the following
89 * "This product includes software developed by the OpenSSL Project
90 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
92 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
93 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
94 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
95 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
96 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
97 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
98 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
99 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
100 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
101 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
102 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
103 * OF THE POSSIBILITY OF SUCH DAMAGE.
104 * ====================================================================
106 * This product includes cryptographic software written by Eric Young
107 * (eay@cryptsoft.com). This product includes software written by Tim
108 * Hudson (tjh@cryptsoft.com).
111 /* ====================================================================
112 * Copyright 2005 Nokia. All rights reserved.
114 * The portions of the attached software ("Contribution") is developed by
115 * Nokia Corporation and is licensed pursuant to the OpenSSL open source
118 * The Contribution, originally written by Mika Kousa and Pasi Eronen of
119 * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
120 * support (see RFC 4279) to OpenSSL.
122 * No patent licenses or other rights except those expressly stated in
123 * the OpenSSL open source license shall be deemed granted or received
124 * expressly, by implication, estoppel, or otherwise.
126 * No assurances are provided by Nokia that the Contribution does not
127 * infringe the patent or other intellectual property rights of any third
128 * party or that the license provides you with all the necessary rights
129 * to make use of the Contribution.
131 * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
132 * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
133 * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
134 * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
143 #include <openssl/e_os2.h>
144 #ifdef OPENSSL_NO_STDIO
149 * With IPv6, it looks like Digital has mixed up the proper order of
150 * recursive header file inclusion, resulting in the compiler complaining
151 * that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which is
152 * needed to have fileno() declared correctly... So let's define u_int
154 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
156 typedef unsigned int u_int;
161 #include <openssl/x509.h>
162 #include <openssl/ssl.h>
163 #include <openssl/err.h>
164 #include <openssl/pem.h>
165 #include <openssl/rand.h>
166 #include <openssl/ocsp.h>
167 #include <openssl/bn.h>
168 #ifndef OPENSSL_NO_SRP
169 # include <openssl/srp.h>
172 #include "timeouts.h"
174 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
175 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
179 #if defined(OPENSSL_SYS_BEOS_R5)
184 #define PROG s_client_main
187 * #define SSL_HOST_NAME "www.netscape.com"
190 * #define SSL_HOST_NAME "193.118.187.102"
192 #define SSL_HOST_NAME "localhost"
194 /* no default cert. */
196 * #define TEST_CERT "client.pem"
200 #define BUFSIZZ 1024*8
202 extern int verify_depth;
203 extern int verify_error;
204 extern int verify_return_error;
205 extern int verify_quiet;
208 static int c_nbio = 0;
210 static int c_Pause = 0;
211 static int c_debug = 0;
212 #ifndef OPENSSL_NO_TLSEXT
213 static int c_tlsextdebug = 0;
214 static int c_status_req = 0;
216 static int c_msg = 0;
217 static int c_showcerts = 0;
219 static char *keymatexportlabel = NULL;
220 static int keymatexportlen = 20;
222 static void sc_usage(void);
223 static void print_stuff(BIO *berr, SSL *con, int full);
224 #ifndef OPENSSL_NO_TLSEXT
225 static int ocsp_resp_cb(SSL *s, void *arg);
227 static BIO *bio_c_out = NULL;
228 static BIO *bio_c_msg = NULL;
229 static int c_quiet = 0;
230 static int c_ign_eof = 0;
231 static int c_brief = 0;
233 #ifndef OPENSSL_NO_PSK
234 /* Default PSK identity and key */
235 static char *psk_identity = "Client_identity";
237 * char *psk_key=NULL; by default PSK is not used
240 static unsigned int psk_client_cb(SSL *ssl, const char *hint, char *identity,
241 unsigned int max_identity_len,
243 unsigned int max_psk_len)
245 unsigned int psk_len = 0;
250 BIO_printf(bio_c_out, "psk_client_cb\n");
252 /* no ServerKeyExchange message */
254 BIO_printf(bio_c_out,
255 "NULL received PSK identity hint, continuing anyway\n");
257 BIO_printf(bio_c_out, "Received PSK identity hint '%s'\n", hint);
260 * lookup PSK identity and PSK key based on the given identity hint here
262 ret = BIO_snprintf(identity, max_identity_len, "%s", psk_identity);
263 if (ret < 0 || (unsigned int)ret > max_identity_len)
266 BIO_printf(bio_c_out, "created identity '%s' len=%d\n", identity,
268 ret = BN_hex2bn(&bn, psk_key);
270 BIO_printf(bio_err, "Could not convert PSK key '%s' to BIGNUM\n",
277 if ((unsigned int)BN_num_bytes(bn) > max_psk_len) {
279 "psk buffer of callback is too small (%d) for key (%d)\n",
280 max_psk_len, BN_num_bytes(bn));
285 psk_len = BN_bn2bin(bn, psk);
291 BIO_printf(bio_c_out, "created PSK len=%d\n", psk_len);
296 BIO_printf(bio_err, "Error in PSK client callback\n");
301 static void sc_usage(void)
303 BIO_printf(bio_err, "usage: s_client args\n");
304 BIO_printf(bio_err, "\n");
305 BIO_printf(bio_err, " -host host - use -connect instead\n");
306 BIO_printf(bio_err, " -port port - use -connect instead\n");
308 " -connect host:port - who to connect to (default is %s:%s)\n",
309 SSL_HOST_NAME, PORT_STR);
311 " -verify_host host - check peer certificate matches \"host\"\n");
313 " -verify_email email - check peer certificate matches \"email\"\n");
315 " -verify_ip ipaddr - check peer certificate matches \"ipaddr\"\n");
318 " -verify arg - turn on peer certificate verification\n");
320 " -verify_return_error - return verification errors\n");
322 " -cert arg - certificate file to use, PEM format assumed\n");
324 " -certform arg - certificate format (PEM or DER) PEM default\n");
326 " -key arg - Private key file to use, in cert file if\n");
327 BIO_printf(bio_err, " not specified but cert file is.\n");
329 " -keyform arg - key format (PEM or DER) PEM default\n");
331 " -pass arg - private key file pass phrase source\n");
332 BIO_printf(bio_err, " -CApath arg - PEM format directory of CA's\n");
333 BIO_printf(bio_err, " -CAfile arg - PEM format file of CA's\n");
335 " -reconnect - Drop and re-make the connection with the same Session-ID\n");
337 " -pause - sleep(1) after each read(2) and write(2) system call\n");
339 " -prexit - print session information even on connection failure\n");
341 " -showcerts - show all certificates in the chain\n");
342 BIO_printf(bio_err, " -debug - extra output\n");
344 BIO_printf(bio_err, " -wdebug - WATT-32 tcp debugging\n");
346 BIO_printf(bio_err, " -msg - Show protocol messages\n");
347 BIO_printf(bio_err, " -nbio_test - more ssl protocol testing\n");
348 BIO_printf(bio_err, " -state - print the 'ssl' states\n");
350 BIO_printf(bio_err, " -nbio - Run with non-blocking IO\n");
353 " -crlf - convert LF from terminal into CRLF\n");
354 BIO_printf(bio_err, " -quiet - no s_client output\n");
356 " -ign_eof - ignore input eof (default when -quiet)\n");
357 BIO_printf(bio_err, " -no_ign_eof - don't ignore input eof\n");
358 #ifndef OPENSSL_NO_PSK
359 BIO_printf(bio_err, " -psk_identity arg - PSK identity\n");
360 BIO_printf(bio_err, " -psk arg - PSK in hex (without 0x)\n");
361 # ifndef OPENSSL_NO_JPAKE
362 BIO_printf(bio_err, " -jpake arg - JPAKE secret to use\n");
365 #ifndef OPENSSL_NO_SRP
367 " -srpuser user - SRP authentification for 'user'\n");
368 BIO_printf(bio_err, " -srppass arg - password for 'user'\n");
370 " -srp_lateuser - SRP username into second ClientHello message\n");
372 " -srp_moregroups - Tolerate other than the known g N values.\n");
374 " -srp_strength int - minimal length in bits for N (default %d).\n",
377 BIO_printf(bio_err, " -ssl2 - just use SSLv2\n");
378 #ifndef OPENSSL_NO_SSL3_METHOD
379 BIO_printf(bio_err, " -ssl3 - just use SSLv3\n");
381 BIO_printf(bio_err, " -tls1_2 - just use TLSv1.2\n");
382 BIO_printf(bio_err, " -tls1_1 - just use TLSv1.1\n");
383 BIO_printf(bio_err, " -tls1 - just use TLSv1\n");
384 BIO_printf(bio_err, " -dtls1 - just use DTLSv1\n");
385 BIO_printf(bio_err, " -fallback_scsv - send TLS_FALLBACK_SCSV\n");
386 BIO_printf(bio_err, " -mtu - set the link layer MTU\n");
388 " -no_tls1_2/-no_tls1_1/-no_tls1/-no_ssl3/-no_ssl2 - turn off that protocol\n");
390 " -bugs - Switch on all SSL implementation bug workarounds\n");
392 " -serverpref - Use server's cipher preferences (only SSLv2)\n");
394 " -cipher - preferred cipher to use, use the 'openssl ciphers'\n");
396 " command to see what is available\n");
398 " -starttls prot - use the STARTTLS command before starting TLS\n");
400 " for those protocols that support it, where\n");
402 " 'prot' defines which one to assume. Currently,\n");
404 " only \"smtp\", \"pop3\", \"imap\", \"ftp\" and \"xmpp\"\n");
405 BIO_printf(bio_err, " are supported.\n");
406 #ifndef OPENSSL_NO_ENGINE
408 " -engine id - Initialise and use the specified engine\n");
410 BIO_printf(bio_err, " -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR,
411 LIST_SEPARATOR_CHAR);
412 BIO_printf(bio_err, " -sess_out arg - file to write SSL session to\n");
413 BIO_printf(bio_err, " -sess_in arg - file to read SSL session from\n");
414 #ifndef OPENSSL_NO_TLSEXT
416 " -servername host - Set TLS extension servername in ClientHello\n");
418 " -tlsextdebug - hex dump of all TLS extensions received\n");
420 " -status - request certificate status from server\n");
422 " -no_ticket - disable use of RFC4507bis session tickets\n");
424 " -serverinfo types - send empty ClientHello extensions (comma-separated numbers)\n");
426 #ifndef OPENSSL_NO_NEXTPROTONEG
428 " -nextprotoneg arg - enable NPN extension, considering named protocols supported (comma-separated list)\n");
431 " -alpn arg - enable ALPN extension, considering named protocols supported (comma-separated list)\n");
433 " -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
434 #ifndef OPENSSL_NO_SRTP
436 " -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
439 " -keymatexport label - Export keying material using label\n");
441 " -keymatexportlen len - Export len bytes of keying material (default 20)\n");
444 #ifndef OPENSSL_NO_TLSEXT
446 /* This is a context that we pass to callbacks */
447 typedef struct tlsextctx_st {
452 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
454 tlsextctx *p = (tlsextctx *) arg;
455 const char *hn = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
456 if (SSL_get_servername_type(s) != -1)
457 p->ack = !SSL_session_reused(s) && hn != NULL;
459 BIO_printf(bio_err, "Can't use SSL_get_servername\n");
461 return SSL_TLSEXT_ERR_OK;
464 # ifndef OPENSSL_NO_SRP
466 /* This is a context that we pass to all callbacks */
467 typedef struct srp_arg_st {
470 int msg; /* copy from c_msg */
471 int debug; /* copy from c_debug */
472 int amp; /* allow more groups */
473 int strength /* minimal size for N */ ;
476 # define SRP_NUMBER_ITERATIONS_FOR_PRIME 64
478 static int srp_Verify_N_and_g(BIGNUM *N, BIGNUM *g)
480 BN_CTX *bn_ctx = BN_CTX_new();
481 BIGNUM *p = BN_new();
482 BIGNUM *r = BN_new();
484 g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) &&
485 BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
486 p != NULL && BN_rshift1(p, N) &&
488 BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
490 /* verify g^((N-1)/2) == -1 (mod N) */
491 BN_mod_exp(r, g, p, N, bn_ctx) &&
492 BN_add_word(r, 1) && BN_cmp(r, N) == 0;
504 * This callback is used here for two purposes:
505 * - extended debugging
506 * - making some primality tests for unknown groups
507 * The callback is only called for a non default group.
509 * An application does not need the call back at all if
510 * only the stanard groups are used. In real life situations,
511 * client and server already share well known groups,
512 * thus there is no need to verify them.
513 * Furthermore, in case that a server actually proposes a group that
514 * is not one of those defined in RFC 5054, it is more appropriate
515 * to add the group to a static list and then compare since
516 * primality tests are rather cpu consuming.
519 static int MS_CALLBACK ssl_srp_verify_param_cb(SSL *s, void *arg)
521 SRP_ARG *srp_arg = (SRP_ARG *)arg;
522 BIGNUM *N = NULL, *g = NULL;
523 if (!(N = SSL_get_srp_N(s)) || !(g = SSL_get_srp_g(s)))
525 if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1) {
526 BIO_printf(bio_err, "SRP parameters:\n");
527 BIO_printf(bio_err, "\tN=");
528 BN_print(bio_err, N);
529 BIO_printf(bio_err, "\n\tg=");
530 BN_print(bio_err, g);
531 BIO_printf(bio_err, "\n");
534 if (SRP_check_known_gN_param(g, N))
537 if (srp_arg->amp == 1) {
540 "SRP param N and g are not known params, going to check deeper.\n");
543 * The srp_moregroups is a real debugging feature. Implementors
544 * should rather add the value to the known ones. The minimal size
545 * has already been tested.
547 if (BN_num_bits(g) <= BN_BITS && srp_Verify_N_and_g(N, g))
550 BIO_printf(bio_err, "SRP param N and g rejected.\n");
554 # define PWD_STRLEN 1024
556 static char *MS_CALLBACK ssl_give_srp_client_pwd_cb(SSL *s, void *arg)
558 SRP_ARG *srp_arg = (SRP_ARG *)arg;
559 char *pass = (char *)OPENSSL_malloc(PWD_STRLEN + 1);
564 BIO_printf(bio_err, "Malloc failure\n");
568 cb_tmp.password = (char *)srp_arg->srppassin;
569 cb_tmp.prompt_info = "SRP user";
570 if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp)) < 0) {
571 BIO_printf(bio_err, "Can't read Password\n");
581 # ifndef OPENSSL_NO_SRTP
582 char *srtp_profiles = NULL;
585 # ifndef OPENSSL_NO_NEXTPROTONEG
586 /* This the context that we pass to next_proto_cb */
587 typedef struct tlsextnextprotoctx_st {
591 } tlsextnextprotoctx;
593 static tlsextnextprotoctx next_proto;
595 static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen,
596 const unsigned char *in, unsigned int inlen,
599 tlsextnextprotoctx *ctx = arg;
602 /* We can assume that |in| is syntactically valid. */
604 BIO_printf(bio_c_out, "Protocols advertised by server: ");
605 for (i = 0; i < inlen;) {
607 BIO_write(bio_c_out, ", ", 2);
608 BIO_write(bio_c_out, &in[i + 1], in[i]);
611 BIO_write(bio_c_out, "\n", 1);
615 SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len);
616 return SSL_TLSEXT_ERR_OK;
618 # endif /* ndef OPENSSL_NO_NEXTPROTONEG */
620 static int serverinfo_cli_parse_cb(SSL *s, unsigned int ext_type,
621 const unsigned char *in, size_t inlen,
625 unsigned char ext_buf[4 + 65536];
627 /* Reconstruct the type/len fields prior to extension data */
628 ext_buf[0] = ext_type >> 8;
629 ext_buf[1] = ext_type & 0xFF;
630 ext_buf[2] = inlen >> 8;
631 ext_buf[3] = inlen & 0xFF;
632 memcpy(ext_buf + 4, in, inlen);
634 BIO_snprintf(pem_name, sizeof(pem_name), "SERVERINFO FOR EXTENSION %d",
636 PEM_write_bio(bio_c_out, pem_name, "", ext_buf, 4 + inlen);
651 int MAIN(int, char **);
653 int MAIN(int argc, char **argv)
657 #ifndef OPENSSL_NO_KRB5
660 int s, k, width, state = 0;
661 char *cbuf = NULL, *sbuf = NULL, *mbuf = NULL;
662 int cbuf_len, cbuf_off;
663 int sbuf_len, sbuf_off;
664 fd_set readfds, writefds;
667 char *host = SSL_HOST_NAME;
668 char *cert_file = NULL, *key_file = NULL, *chain_file = NULL;
669 int cert_format = FORMAT_PEM, key_format = FORMAT_PEM;
670 char *passarg = NULL, *pass = NULL;
672 EVP_PKEY *key = NULL;
673 STACK_OF(X509) *chain = NULL;
674 char *CApath = NULL, *CAfile = NULL;
675 char *chCApath = NULL, *chCAfile = NULL;
676 char *vfyCApath = NULL, *vfyCAfile = NULL;
677 int reconnect = 0, badop = 0, verify = SSL_VERIFY_NONE;
679 int write_tty, read_tty, write_ssl, read_ssl, tty_on, ssl_pending;
681 int ret = 1, in_init = 1, i, nbio_test = 0;
682 int starttls_proto = PROTO_OFF;
684 X509_VERIFY_PARAM *vpm = NULL;
686 const SSL_METHOD *meth = NULL;
687 int socket_type = SOCK_STREAM;
691 struct timeval timeout, *timeoutp;
692 #ifndef OPENSSL_NO_ENGINE
693 char *engine_id = NULL;
694 char *ssl_client_engine_id = NULL;
695 ENGINE *ssl_client_engine = NULL;
698 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
700 # if defined(OPENSSL_SYS_BEOS_R5)
704 #ifndef OPENSSL_NO_TLSEXT
705 char *servername = NULL;
706 tlsextctx tlsextcbp = { NULL, 0 };
707 # ifndef OPENSSL_NO_NEXTPROTONEG
708 const char *next_proto_neg_in = NULL;
710 const char *alpn_in = NULL;
711 # define MAX_SI_TYPES 100
712 unsigned short serverinfo_types[MAX_SI_TYPES];
713 int serverinfo_types_count = 0;
715 char *sess_in = NULL;
716 char *sess_out = NULL;
717 struct sockaddr peer;
718 int peerlen = sizeof(peer);
719 int fallback_scsv = 0;
720 int enable_timeouts = 0;
722 #ifndef OPENSSL_NO_JPAKE
723 static char *jpake_secret = NULL;
724 # define no_jpake !jpake_secret
728 #ifndef OPENSSL_NO_SRP
729 char *srppass = NULL;
730 int srp_lateuser = 0;
731 SRP_ARG srp_arg = { NULL, NULL, 0, 0, 0, 1024 };
733 SSL_EXCERT *exc = NULL;
735 SSL_CONF_CTX *cctx = NULL;
736 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
738 char *crl_file = NULL;
739 int crl_format = FORMAT_PEM;
740 int crl_download = 0;
741 STACK_OF(X509_CRL) *crls = NULL;
743 meth = SSLv23_client_method();
754 bio_err = BIO_new_fp(stderr, BIO_NOCLOSE);
756 if (!load_config(bio_err, NULL))
759 cctx = SSL_CONF_CTX_new();
762 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT);
763 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CMDLINE);
765 if (((cbuf = OPENSSL_malloc(BUFSIZZ)) == NULL) ||
766 ((sbuf = OPENSSL_malloc(BUFSIZZ)) == NULL) ||
767 ((mbuf = OPENSSL_malloc(BUFSIZZ)) == NULL)) {
768 BIO_printf(bio_err, "out of memory\n");
773 verify_error = X509_V_OK;
781 if (strcmp(*argv, "-host") == 0) {
785 } else if (strcmp(*argv, "-port") == 0) {
788 port = atoi(*(++argv));
791 } else if (strcmp(*argv, "-connect") == 0) {
794 if (!extract_host_port(*(++argv), &host, NULL, &port))
796 } else if (strcmp(*argv, "-verify") == 0) {
797 verify = SSL_VERIFY_PEER;
800 verify_depth = atoi(*(++argv));
802 BIO_printf(bio_err, "verify depth is %d\n", verify_depth);
803 } else if (strcmp(*argv, "-cert") == 0) {
806 cert_file = *(++argv);
807 } else if (strcmp(*argv, "-CRL") == 0) {
810 crl_file = *(++argv);
811 } else if (strcmp(*argv, "-crl_download") == 0)
813 else if (strcmp(*argv, "-sess_out") == 0) {
816 sess_out = *(++argv);
817 } else if (strcmp(*argv, "-sess_in") == 0) {
821 } else if (strcmp(*argv, "-certform") == 0) {
824 cert_format = str2fmt(*(++argv));
825 } else if (strcmp(*argv, "-CRLform") == 0) {
828 crl_format = str2fmt(*(++argv));
829 } else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm)) {
833 } else if (strcmp(*argv, "-verify_return_error") == 0)
834 verify_return_error = 1;
835 else if (strcmp(*argv, "-verify_quiet") == 0)
837 else if (strcmp(*argv, "-brief") == 0) {
841 } else if (args_excert(&argv, &argc, &badarg, bio_err, &exc)) {
845 } else if (args_ssl(&argv, &argc, cctx, &badarg, bio_err, &ssl_args)) {
849 } else if (strcmp(*argv, "-prexit") == 0)
851 else if (strcmp(*argv, "-crlf") == 0)
853 else if (strcmp(*argv, "-quiet") == 0) {
856 } else if (strcmp(*argv, "-ign_eof") == 0)
858 else if (strcmp(*argv, "-no_ign_eof") == 0)
860 else if (strcmp(*argv, "-pause") == 0)
862 else if (strcmp(*argv, "-debug") == 0)
864 #ifndef OPENSSL_NO_TLSEXT
865 else if (strcmp(*argv, "-tlsextdebug") == 0)
867 else if (strcmp(*argv, "-status") == 0)
871 else if (strcmp(*argv, "-wdebug") == 0)
874 else if (strcmp(*argv, "-msg") == 0)
876 else if (strcmp(*argv, "-msgfile") == 0) {
879 bio_c_msg = BIO_new_file(*(++argv), "w");
881 #ifndef OPENSSL_NO_SSL_TRACE
882 else if (strcmp(*argv, "-trace") == 0)
885 else if (strcmp(*argv, "-showcerts") == 0)
887 else if (strcmp(*argv, "-nbio_test") == 0)
889 else if (strcmp(*argv, "-state") == 0)
891 #ifndef OPENSSL_NO_PSK
892 else if (strcmp(*argv, "-psk_identity") == 0) {
895 psk_identity = *(++argv);
896 } else if (strcmp(*argv, "-psk") == 0) {
902 for (j = 0; j < strlen(psk_key); j++) {
903 if (isxdigit((unsigned char)psk_key[j]))
905 BIO_printf(bio_err, "Not a hex number '%s'\n", *argv);
910 #ifndef OPENSSL_NO_SRP
911 else if (strcmp(*argv, "-srpuser") == 0) {
914 srp_arg.srplogin = *(++argv);
915 meth = TLSv1_client_method();
916 } else if (strcmp(*argv, "-srppass") == 0) {
920 meth = TLSv1_client_method();
921 } else if (strcmp(*argv, "-srp_strength") == 0) {
924 srp_arg.strength = atoi(*(++argv));
925 BIO_printf(bio_err, "SRP minimal length for N is %d\n",
927 meth = TLSv1_client_method();
928 } else if (strcmp(*argv, "-srp_lateuser") == 0) {
930 meth = TLSv1_client_method();
931 } else if (strcmp(*argv, "-srp_moregroups") == 0) {
933 meth = TLSv1_client_method();
936 #ifndef OPENSSL_NO_SSL2
937 else if (strcmp(*argv, "-ssl2") == 0)
938 meth = SSLv2_client_method();
940 #ifndef OPENSSL_NO_SSL3_METHOD
941 else if (strcmp(*argv, "-ssl3") == 0)
942 meth = SSLv3_client_method();
944 #ifndef OPENSSL_NO_TLS1
945 else if (strcmp(*argv, "-tls1_2") == 0)
946 meth = TLSv1_2_client_method();
947 else if (strcmp(*argv, "-tls1_1") == 0)
948 meth = TLSv1_1_client_method();
949 else if (strcmp(*argv, "-tls1") == 0)
950 meth = TLSv1_client_method();
952 #ifndef OPENSSL_NO_DTLS1
953 else if (strcmp(*argv, "-dtls") == 0) {
954 meth = DTLS_client_method();
955 socket_type = SOCK_DGRAM;
956 } else if (strcmp(*argv, "-dtls1") == 0) {
957 meth = DTLSv1_client_method();
958 socket_type = SOCK_DGRAM;
959 } else if (strcmp(*argv, "-dtls1_2") == 0) {
960 meth = DTLSv1_2_client_method();
961 socket_type = SOCK_DGRAM;
962 } else if (strcmp(*argv, "-timeout") == 0)
964 else if (strcmp(*argv, "-mtu") == 0) {
967 socket_mtu = atol(*(++argv));
970 else if (strcmp(*argv, "-fallback_scsv") == 0) {
972 } else if (strcmp(*argv, "-keyform") == 0) {
975 key_format = str2fmt(*(++argv));
976 } else if (strcmp(*argv, "-pass") == 0) {
980 } else if (strcmp(*argv, "-cert_chain") == 0) {
983 chain_file = *(++argv);
984 } else if (strcmp(*argv, "-key") == 0) {
987 key_file = *(++argv);
988 } else if (strcmp(*argv, "-reconnect") == 0) {
990 } else if (strcmp(*argv, "-CApath") == 0) {
994 } else if (strcmp(*argv, "-chainCApath") == 0) {
997 chCApath = *(++argv);
998 } else if (strcmp(*argv, "-verifyCApath") == 0) {
1001 vfyCApath = *(++argv);
1002 } else if (strcmp(*argv, "-build_chain") == 0)
1004 else if (strcmp(*argv, "-CAfile") == 0) {
1008 } else if (strcmp(*argv, "-chainCAfile") == 0) {
1011 chCAfile = *(++argv);
1012 } else if (strcmp(*argv, "-verifyCAfile") == 0) {
1015 vfyCAfile = *(++argv);
1017 #ifndef OPENSSL_NO_TLSEXT
1018 # ifndef OPENSSL_NO_NEXTPROTONEG
1019 else if (strcmp(*argv, "-nextprotoneg") == 0) {
1022 next_proto_neg_in = *(++argv);
1025 else if (strcmp(*argv, "-alpn") == 0) {
1028 alpn_in = *(++argv);
1029 } else if (strcmp(*argv, "-serverinfo") == 0) {
1037 serverinfo_types_count = 0;
1039 for (i = 0; i <= len; ++i) {
1040 if (i == len || c[i] == ',') {
1041 serverinfo_types[serverinfo_types_count]
1043 serverinfo_types_count++;
1046 if (serverinfo_types_count == MAX_SI_TYPES)
1052 else if (strcmp(*argv, "-nbio") == 0) {
1056 else if (strcmp(*argv, "-starttls") == 0) {
1060 if (strcmp(*argv, "smtp") == 0)
1061 starttls_proto = PROTO_SMTP;
1062 else if (strcmp(*argv, "pop3") == 0)
1063 starttls_proto = PROTO_POP3;
1064 else if (strcmp(*argv, "imap") == 0)
1065 starttls_proto = PROTO_IMAP;
1066 else if (strcmp(*argv, "ftp") == 0)
1067 starttls_proto = PROTO_FTP;
1068 else if (strcmp(*argv, "xmpp") == 0)
1069 starttls_proto = PROTO_XMPP;
1073 #ifndef OPENSSL_NO_ENGINE
1074 else if (strcmp(*argv, "-engine") == 0) {
1077 engine_id = *(++argv);
1078 } else if (strcmp(*argv, "-ssl_client_engine") == 0) {
1081 ssl_client_engine_id = *(++argv);
1084 else if (strcmp(*argv, "-rand") == 0) {
1089 #ifndef OPENSSL_NO_TLSEXT
1090 else if (strcmp(*argv, "-servername") == 0) {
1093 servername = *(++argv);
1094 /* meth=TLSv1_client_method(); */
1097 #ifndef OPENSSL_NO_JPAKE
1098 else if (strcmp(*argv, "-jpake") == 0) {
1101 jpake_secret = *++argv;
1104 #ifndef OPENSSL_NO_SRTP
1105 else if (strcmp(*argv, "-use_srtp") == 0) {
1108 srtp_profiles = *(++argv);
1111 else if (strcmp(*argv, "-keymatexport") == 0) {
1114 keymatexportlabel = *(++argv);
1115 } else if (strcmp(*argv, "-keymatexportlen") == 0) {
1118 keymatexportlen = atoi(*(++argv));
1119 if (keymatexportlen == 0)
1122 BIO_printf(bio_err, "unknown option %s\n", *argv);
1134 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1137 BIO_printf(bio_err, "Can't use JPAKE and PSK together\n");
1140 psk_identity = "JPAKE";
1144 OpenSSL_add_ssl_algorithms();
1145 SSL_load_error_strings();
1147 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
1148 next_proto.status = -1;
1149 if (next_proto_neg_in) {
1151 next_protos_parse(&next_proto.len, next_proto_neg_in);
1152 if (next_proto.data == NULL) {
1153 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n");
1157 next_proto.data = NULL;
1160 #ifndef OPENSSL_NO_ENGINE
1161 e = setup_engine(bio_err, engine_id, 1);
1162 if (ssl_client_engine_id) {
1163 ssl_client_engine = ENGINE_by_id(ssl_client_engine_id);
1164 if (!ssl_client_engine) {
1165 BIO_printf(bio_err, "Error getting client auth engine\n");
1170 if (!app_passwd(bio_err, passarg, NULL, &pass, NULL)) {
1171 BIO_printf(bio_err, "Error getting password\n");
1175 if (key_file == NULL)
1176 key_file = cert_file;
1180 key = load_key(bio_err, key_file, key_format, 0, pass, e,
1181 "client certificate private key file");
1183 ERR_print_errors(bio_err);
1190 cert = load_cert(bio_err, cert_file, cert_format,
1191 NULL, e, "client certificate file");
1194 ERR_print_errors(bio_err);
1200 chain = load_certs(bio_err, chain_file, FORMAT_PEM,
1201 NULL, e, "client certificate chain");
1208 crl = load_crl(crl_file, crl_format);
1210 BIO_puts(bio_err, "Error loading CRL\n");
1211 ERR_print_errors(bio_err);
1214 crls = sk_X509_CRL_new_null();
1215 if (!crls || !sk_X509_CRL_push(crls, crl)) {
1216 BIO_puts(bio_err, "Error adding CRL\n");
1217 ERR_print_errors(bio_err);
1223 if (!load_excert(&exc, bio_err))
1226 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1227 && !RAND_status()) {
1229 "warning, not much extra random data, consider using the -rand option\n");
1232 BIO_printf(bio_err, "%ld semi-random bytes loaded\n",
1233 app_RAND_load_files(inrand));
1235 if (bio_c_out == NULL) {
1236 if (c_quiet && !c_debug) {
1237 bio_c_out = BIO_new(BIO_s_null());
1238 if (c_msg && !bio_c_msg)
1239 bio_c_msg = BIO_new_fp(stdout, BIO_NOCLOSE);
1241 if (bio_c_out == NULL)
1242 bio_c_out = BIO_new_fp(stdout, BIO_NOCLOSE);
1245 #ifndef OPENSSL_NO_SRP
1246 if (!app_passwd(bio_err, srppass, NULL, &srp_arg.srppassin, NULL)) {
1247 BIO_printf(bio_err, "Error getting password\n");
1252 ctx = SSL_CTX_new(meth);
1254 ERR_print_errors(bio_err);
1259 SSL_CTX_set1_param(ctx, vpm);
1261 if (!args_ssl_call(ctx, bio_err, cctx, ssl_args, 1, no_jpake)) {
1262 ERR_print_errors(bio_err);
1266 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1267 crls, crl_download)) {
1268 BIO_printf(bio_err, "Error loading store locations\n");
1269 ERR_print_errors(bio_err);
1272 #ifndef OPENSSL_NO_ENGINE
1273 if (ssl_client_engine) {
1274 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine)) {
1275 BIO_puts(bio_err, "Error setting client auth engine\n");
1276 ERR_print_errors(bio_err);
1277 ENGINE_free(ssl_client_engine);
1280 ENGINE_free(ssl_client_engine);
1284 #ifndef OPENSSL_NO_PSK
1285 # ifdef OPENSSL_NO_JPAKE
1286 if (psk_key != NULL)
1288 if (psk_key != NULL || jpake_secret)
1292 BIO_printf(bio_c_out,
1293 "PSK key given or JPAKE in use, setting client callback\n");
1294 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
1297 #ifndef OPENSSL_NO_SRTP
1298 if (srtp_profiles != NULL)
1299 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1302 ssl_ctx_set_excert(ctx, exc);
1304 #if !defined(OPENSSL_NO_TLSEXT)
1305 # if !defined(OPENSSL_NO_NEXTPROTONEG)
1306 if (next_proto.data)
1307 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
1310 unsigned short alpn_len;
1311 unsigned char *alpn = next_protos_parse(&alpn_len, alpn_in);
1314 BIO_printf(bio_err, "Error parsing -alpn argument\n");
1317 SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len);
1321 #ifndef OPENSSL_NO_TLSEXT
1322 for (i = 0; i < serverinfo_types_count; i++) {
1323 SSL_CTX_add_client_custom_ext(ctx,
1324 serverinfo_types[i],
1326 serverinfo_cli_parse_cb, NULL);
1331 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1334 SSL_CTX_set_cipher_list(ctx, getenv("SSL_CIPHER"));
1337 SSL_CTX_set_verify(ctx, verify, verify_callback);
1339 if ((!SSL_CTX_load_verify_locations(ctx, CAfile, CApath)) ||
1340 (!SSL_CTX_set_default_verify_paths(ctx))) {
1342 * BIO_printf(bio_err,"error setting default verify locations\n");
1344 ERR_print_errors(bio_err);
1348 ssl_ctx_add_crls(ctx, crls, crl_download);
1349 if (!set_cert_key_stuff(ctx, cert, key, chain, build_chain))
1352 #ifndef OPENSSL_NO_TLSEXT
1353 if (servername != NULL) {
1354 tlsextcbp.biodebug = bio_err;
1355 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1356 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1358 # ifndef OPENSSL_NO_SRP
1359 if (srp_arg.srplogin) {
1360 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin)) {
1361 BIO_printf(bio_err, "Unable to set SRP username\n");
1364 srp_arg.msg = c_msg;
1365 srp_arg.debug = c_debug;
1366 SSL_CTX_set_srp_cb_arg(ctx, &srp_arg);
1367 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb);
1368 SSL_CTX_set_srp_strength(ctx, srp_arg.strength);
1369 if (c_msg || c_debug || srp_arg.amp == 0)
1370 SSL_CTX_set_srp_verify_param_callback(ctx,
1371 ssl_srp_verify_param_cb);
1379 BIO *stmp = BIO_new_file(sess_in, "r");
1381 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1382 ERR_print_errors(bio_err);
1385 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1388 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1389 ERR_print_errors(bio_err);
1392 SSL_set_session(con, sess);
1393 SSL_SESSION_free(sess);
1397 SSL_set_mode(con, SSL_MODE_SEND_FALLBACK_SCSV);
1399 #ifndef OPENSSL_NO_TLSEXT
1400 if (servername != NULL) {
1401 if (!SSL_set_tlsext_host_name(con, servername)) {
1402 BIO_printf(bio_err, "Unable to set TLS servername extension.\n");
1403 ERR_print_errors(bio_err);
1408 #ifndef OPENSSL_NO_KRB5
1409 if (con && (kctx = kssl_ctx_new()) != NULL) {
1410 SSL_set0_kssl_ctx(con, kctx);
1411 kssl_ctx_setstring(kctx, KSSL_SERVER, host);
1413 #endif /* OPENSSL_NO_KRB5 */
1414 /* SSL_set_cipher_list(con,"RC4-MD5"); */
1416 # ifdef TLSEXT_TYPE_opaque_prf_input
1417 SSL_set_tlsext_opaque_prf_input(con, "Test client", 11);
1423 if (init_client(&s, host, port, socket_type) == 0) {
1424 BIO_printf(bio_err, "connect:errno=%d\n", get_last_socket_error());
1428 BIO_printf(bio_c_out, "CONNECTED(%08X)\n", s);
1432 unsigned long l = 1;
1433 BIO_printf(bio_c_out, "turning on non blocking io\n");
1434 if (BIO_socket_ioctl(s, FIONBIO, &l) < 0) {
1435 ERR_print_errors(bio_err);
1441 SSL_set_debug(con, 1);
1443 if (socket_type == SOCK_DGRAM) {
1445 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
1446 if (getsockname(s, &peer, (void *)&peerlen) < 0) {
1447 BIO_printf(bio_err, "getsockname:errno=%d\n",
1448 get_last_socket_error());
1453 (void)BIO_ctrl_set_connected(sbio, 1, &peer);
1455 if (enable_timeouts) {
1457 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1458 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1461 timeout.tv_usec = DGRAM_SND_TIMEOUT;
1462 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1466 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
1467 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
1468 DTLS_get_link_min_mtu(con));
1472 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1473 if (!DTLS_set_link_mtu(con, socket_mtu)) {
1474 BIO_printf(bio_err, "Failed to set MTU\n");
1479 /* want to do MTU discovery */
1480 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1482 sbio = BIO_new_socket(s, BIO_NOCLOSE);
1487 test = BIO_new(BIO_f_nbio_test());
1488 sbio = BIO_push(test, sbio);
1492 SSL_set_debug(con, 1);
1493 BIO_set_callback(sbio, bio_dump_callback);
1494 BIO_set_callback_arg(sbio, (char *)bio_c_out);
1497 #ifndef OPENSSL_NO_SSL_TRACE
1499 SSL_set_msg_callback(con, SSL_trace);
1502 SSL_set_msg_callback(con, msg_cb);
1503 SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out);
1505 #ifndef OPENSSL_NO_TLSEXT
1506 if (c_tlsextdebug) {
1507 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1508 SSL_set_tlsext_debug_arg(con, bio_c_out);
1511 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
1512 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
1513 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
1516 STACK_OF(OCSP_RESPID) *ids = sk_OCSP_RESPID_new_null();
1517 OCSP_RESPID *id = OCSP_RESPID_new();
1518 id->value.byKey = ASN1_OCTET_STRING_new();
1519 id->type = V_OCSP_RESPID_KEY;
1520 ASN1_STRING_set(id->value.byKey, "Hello World", -1);
1521 sk_OCSP_RESPID_push(ids, id);
1522 SSL_set_tlsext_status_ids(con, ids);
1527 #ifndef OPENSSL_NO_JPAKE
1529 jpake_client_auth(bio_c_out, sbio, jpake_secret);
1532 SSL_set_bio(con, sbio, sbio);
1533 SSL_set_connect_state(con);
1535 /* ok, lets connect */
1536 width = SSL_get_fd(con) + 1;
1549 /* This is an ugly hack that does a lot of assumptions */
1551 * We do have to handle multi-line responses which may come in a single
1552 * packet or not. We therefore have to use BIO_gets() which does need a
1553 * buffering BIO. So during the initial chitchat we do push a buffering
1554 * BIO into the chain that is removed again later on to not disturb the
1555 * rest of the s_client operation.
1557 if (starttls_proto == PROTO_SMTP) {
1559 BIO *fbio = BIO_new(BIO_f_buffer());
1560 BIO_push(fbio, sbio);
1561 /* wait for multi-line response to end from SMTP */
1563 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1565 while (mbuf_len > 3 && mbuf[3] == '-');
1566 /* STARTTLS command requires EHLO... */
1567 BIO_printf(fbio, "EHLO openssl.client.net\r\n");
1568 (void)BIO_flush(fbio);
1569 /* wait for multi-line response to end EHLO SMTP response */
1571 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1572 if (strstr(mbuf, "STARTTLS"))
1575 while (mbuf_len > 3 && mbuf[3] == '-');
1576 (void)BIO_flush(fbio);
1581 "didn't found starttls in server response,"
1582 " try anyway...\n");
1583 BIO_printf(sbio, "STARTTLS\r\n");
1584 BIO_read(sbio, sbuf, BUFSIZZ);
1585 } else if (starttls_proto == PROTO_POP3) {
1586 BIO_read(sbio, mbuf, BUFSIZZ);
1587 BIO_printf(sbio, "STLS\r\n");
1588 BIO_read(sbio, sbuf, BUFSIZZ);
1589 } else if (starttls_proto == PROTO_IMAP) {
1591 BIO *fbio = BIO_new(BIO_f_buffer());
1592 BIO_push(fbio, sbio);
1593 BIO_gets(fbio, mbuf, BUFSIZZ);
1594 /* STARTTLS command requires CAPABILITY... */
1595 BIO_printf(fbio, ". CAPABILITY\r\n");
1596 (void)BIO_flush(fbio);
1597 /* wait for multi-line CAPABILITY response */
1599 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1600 if (strstr(mbuf, "STARTTLS"))
1603 while (mbuf_len > 3 && mbuf[0] != '.');
1604 (void)BIO_flush(fbio);
1609 "didn't found STARTTLS in server response,"
1610 " try anyway...\n");
1611 BIO_printf(sbio, ". STARTTLS\r\n");
1612 BIO_read(sbio, sbuf, BUFSIZZ);
1613 } else if (starttls_proto == PROTO_FTP) {
1614 BIO *fbio = BIO_new(BIO_f_buffer());
1615 BIO_push(fbio, sbio);
1616 /* wait for multi-line response to end from FTP */
1618 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1620 while (mbuf_len > 3 && mbuf[3] == '-');
1621 (void)BIO_flush(fbio);
1624 BIO_printf(sbio, "AUTH TLS\r\n");
1625 BIO_read(sbio, sbuf, BUFSIZZ);
1627 if (starttls_proto == PROTO_XMPP) {
1629 BIO_printf(sbio, "<stream:stream "
1630 "xmlns:stream='http://etherx.jabber.org/streams' "
1631 "xmlns='jabber:client' to='%s' version='1.0'>", host);
1632 seen = BIO_read(sbio, mbuf, BUFSIZZ);
1635 (mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")) {
1636 if (strstr(mbuf, "/stream:features>"))
1638 seen = BIO_read(sbio, mbuf, BUFSIZZ);
1642 "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
1643 seen = BIO_read(sbio, sbuf, BUFSIZZ);
1645 if (!strstr(sbuf, "<proceed"))
1654 if ((SSL_version(con) == DTLS1_VERSION) &&
1655 DTLSv1_get_timeout(con, &timeout))
1656 timeoutp = &timeout;
1660 if (SSL_in_init(con) && !SSL_total_renegotiations(con)) {
1667 #if 0 /* This test doesn't really work as intended
1668 * (needs to be fixed) */
1669 # ifndef OPENSSL_NO_TLSEXT
1670 if (servername != NULL && !SSL_session_reused(con)) {
1671 BIO_printf(bio_c_out,
1672 "Server did %sacknowledge servername extension.\n",
1673 tlsextcbp.ack ? "" : "not ");
1678 BIO *stmp = BIO_new_file(sess_out, "w");
1680 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));
1683 BIO_printf(bio_err, "Error writing session file %s\n",
1687 BIO_puts(bio_err, "CONNECTION ESTABLISHED\n");
1688 print_ssl_summary(bio_err, con);
1691 print_stuff(bio_c_out, con, full_log);
1695 if (starttls_proto) {
1696 BIO_printf(bio_err, "%s", mbuf);
1697 /* We don't need to know any more */
1698 starttls_proto = PROTO_OFF;
1703 BIO_printf(bio_c_out,
1704 "drop connection and then reconnect\n");
1706 SSL_set_connect_state(con);
1707 SHUTDOWN(SSL_get_fd(con));
1713 ssl_pending = read_ssl && SSL_pending(con);
1716 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined (OPENSSL_SYS_BEOS_R5)
1719 openssl_fdset(fileno(stdin), &readfds);
1721 openssl_fdset(fileno(stdout), &writefds);
1724 openssl_fdset(SSL_get_fd(con), &readfds);
1726 openssl_fdset(SSL_get_fd(con), &writefds);
1728 if (!tty_on || !write_tty) {
1730 openssl_fdset(SSL_get_fd(con), &readfds);
1732 openssl_fdset(SSL_get_fd(con), &writefds);
1735 /*- printf("mode tty(%d %d%d) ssl(%d%d)\n",
1736 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
1739 * Note: under VMS with SOCKETSHR the second parameter is
1740 * currently of type (int *) whereas under other systems it is
1741 * (void *) if you don't have a cast it will choke the compiler:
1742 * if you do have a cast then you can either go for (int *) or
1745 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1747 * Under Windows/DOS we make the assumption that we can always
1748 * write to the tty: therefore if we need to write to the tty we
1749 * just fall through. Otherwise we timeout the select every
1750 * second and see if there are any keypresses. Note: this is a
1751 * hack, in a proper Windows application we wouldn't do this.
1758 i = select(width, (void *)&readfds, (void *)&writefds,
1760 # if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1761 if (!i && (!_kbhit() || !read_tty))
1764 if (!i && (!((_kbhit())
1765 || (WAIT_OBJECT_0 ==
1766 WaitForSingleObject(GetStdHandle
1773 i = select(width, (void *)&readfds, (void *)&writefds,
1776 #elif defined(OPENSSL_SYS_NETWARE)
1781 i = select(width, (void *)&readfds, (void *)&writefds,
1784 i = select(width, (void *)&readfds, (void *)&writefds,
1787 #elif defined(OPENSSL_SYS_BEOS_R5)
1788 /* Under BeOS-R5 the situation is similar to DOS */
1791 (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
1796 i = select(width, (void *)&readfds, (void *)&writefds,
1798 if (read(fileno(stdin), sbuf, 0) >= 0)
1800 if (!i && (stdin_set != 1 || !read_tty))
1803 i = select(width, (void *)&readfds, (void *)&writefds,
1806 (void)fcntl(fileno(stdin), F_SETFL, 0);
1808 i = select(width, (void *)&readfds, (void *)&writefds,
1812 BIO_printf(bio_err, "bad select %d\n",
1813 get_last_socket_error());
1819 if ((SSL_version(con) == DTLS1_VERSION)
1820 && DTLSv1_handle_timeout(con) > 0) {
1821 BIO_printf(bio_err, "TIMEOUT occured\n");
1824 if (!ssl_pending && FD_ISSET(SSL_get_fd(con), &writefds)) {
1825 k = SSL_write(con, &(cbuf[cbuf_off]), (unsigned int)cbuf_len);
1826 switch (SSL_get_error(con, k)) {
1827 case SSL_ERROR_NONE:
1832 /* we have done a write(con,NULL,0); */
1833 if (cbuf_len <= 0) {
1836 } else { /* if (cbuf_len > 0) */
1842 case SSL_ERROR_WANT_WRITE:
1843 BIO_printf(bio_c_out, "write W BLOCK\n");
1847 case SSL_ERROR_WANT_READ:
1848 BIO_printf(bio_c_out, "write R BLOCK\n");
1853 case SSL_ERROR_WANT_X509_LOOKUP:
1854 BIO_printf(bio_c_out, "write X BLOCK\n");
1856 case SSL_ERROR_ZERO_RETURN:
1857 if (cbuf_len != 0) {
1858 BIO_printf(bio_c_out, "shutdown\n");
1867 case SSL_ERROR_SYSCALL:
1868 if ((k != 0) || (cbuf_len != 0)) {
1869 BIO_printf(bio_err, "write:errno=%d\n",
1870 get_last_socket_error());
1878 ERR_print_errors(bio_err);
1882 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
1883 /* Assume Windows/DOS/BeOS can always write */
1884 else if (!ssl_pending && write_tty)
1886 else if (!ssl_pending && FD_ISSET(fileno(stdout), &writefds))
1889 #ifdef CHARSET_EBCDIC
1890 ascii2ebcdic(&(sbuf[sbuf_off]), &(sbuf[sbuf_off]), sbuf_len);
1892 i = raw_write_stdout(&(sbuf[sbuf_off]), sbuf_len);
1895 BIO_printf(bio_c_out, "DONE\n");
1903 if (sbuf_len <= 0) {
1907 } else if (ssl_pending || FD_ISSET(SSL_get_fd(con), &readfds)) {
1912 SSL_renegotiate(con);
1918 k = SSL_read(con, sbuf, 1024 /* BUFSIZZ */ );
1920 /* Demo for pending and peek :-) */
1921 k = SSL_read(con, sbuf, 16);
1924 printf("read=%d pending=%d peek=%d\n", k, SSL_pending(con),
1925 SSL_peek(con, zbuf, 10240));
1929 switch (SSL_get_error(con, k)) {
1930 case SSL_ERROR_NONE:
1939 case SSL_ERROR_WANT_WRITE:
1940 BIO_printf(bio_c_out, "read W BLOCK\n");
1944 case SSL_ERROR_WANT_READ:
1945 BIO_printf(bio_c_out, "read R BLOCK\n");
1948 if ((read_tty == 0) && (write_ssl == 0))
1951 case SSL_ERROR_WANT_X509_LOOKUP:
1952 BIO_printf(bio_c_out, "read X BLOCK\n");
1954 case SSL_ERROR_SYSCALL:
1955 ret = get_last_socket_error();
1957 BIO_puts(bio_err, "CONNECTION CLOSED BY SERVER\n");
1959 BIO_printf(bio_err, "read:errno=%d\n", ret);
1961 case SSL_ERROR_ZERO_RETURN:
1962 BIO_printf(bio_c_out, "closed\n");
1966 ERR_print_errors(bio_err);
1971 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1972 # if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1976 || (WAIT_OBJECT_0 ==
1977 WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
1979 #elif defined (OPENSSL_SYS_NETWARE)
1981 #elif defined(OPENSSL_SYS_BEOS_R5)
1984 else if (FD_ISSET(fileno(stdin), &readfds))
1990 i = raw_read_stdin(cbuf, BUFSIZZ / 2);
1992 /* both loops are skipped when i <= 0 */
1993 for (j = 0; j < i; j++)
1994 if (cbuf[j] == '\n')
1996 for (j = i - 1; j >= 0; j--) {
1997 cbuf[j + lf_num] = cbuf[j];
1998 if (cbuf[j] == '\n') {
2001 cbuf[j + lf_num] = '\r';
2004 assert(lf_num == 0);
2006 i = raw_read_stdin(cbuf, BUFSIZZ);
2008 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q'))) {
2009 BIO_printf(bio_err, "DONE\n");
2014 if ((!c_ign_eof) && (cbuf[0] == 'R')) {
2015 BIO_printf(bio_err, "RENEGOTIATING\n");
2016 SSL_renegotiate(con);
2019 #ifndef OPENSSL_NO_HEARTBEATS
2020 else if ((!c_ign_eof) && (cbuf[0] == 'B')) {
2021 BIO_printf(bio_err, "HEARTBEATING\n");
2029 #ifdef CHARSET_EBCDIC
2030 ebcdic2ascii(cbuf, cbuf, i);
2042 print_stuff(bio_c_out, con, full_log);
2044 SHUTDOWN(SSL_get_fd(con));
2048 print_stuff(bio_c_out, con, 1);
2051 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2052 if (next_proto.data)
2053 OPENSSL_free(next_proto.data);
2060 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2064 sk_X509_pop_free(chain, X509_free);
2068 X509_VERIFY_PARAM_free(vpm);
2069 ssl_excert_free(exc);
2071 sk_OPENSSL_STRING_free(ssl_args);
2073 SSL_CONF_CTX_free(cctx);
2074 #ifndef OPENSSL_NO_JPAKE
2075 if (jpake_secret && psk_key)
2076 OPENSSL_free(psk_key);
2079 OPENSSL_cleanse(cbuf, BUFSIZZ);
2083 OPENSSL_cleanse(sbuf, BUFSIZZ);
2087 OPENSSL_cleanse(mbuf, BUFSIZZ);
2090 if (bio_c_out != NULL) {
2091 BIO_free(bio_c_out);
2094 if (bio_c_msg != NULL) {
2095 BIO_free(bio_c_msg);
2102 static void print_stuff(BIO *bio, SSL *s, int full)
2106 static const char *space = " ";
2109 STACK_OF(X509_NAME) *sk2;
2110 const SSL_CIPHER *c;
2113 #ifndef OPENSSL_NO_COMP
2114 const COMP_METHOD *comp, *expansion;
2116 unsigned char *exportedkeymat;
2119 int got_a_chain = 0;
2121 sk = SSL_get_peer_cert_chain(s);
2123 got_a_chain = 1; /* we don't have it for SSL2 (yet) */
2125 BIO_printf(bio, "---\nCertificate chain\n");
2126 for (i = 0; i < sk_X509_num(sk); i++) {
2127 X509_NAME_oneline(X509_get_subject_name(sk_X509_value(sk, i)),
2129 BIO_printf(bio, "%2d s:%s\n", i, buf);
2130 X509_NAME_oneline(X509_get_issuer_name(sk_X509_value(sk, i)),
2132 BIO_printf(bio, " i:%s\n", buf);
2134 PEM_write_bio_X509(bio, sk_X509_value(sk, i));
2138 BIO_printf(bio, "---\n");
2139 peer = SSL_get_peer_certificate(s);
2141 BIO_printf(bio, "Server certificate\n");
2143 /* Redundant if we showed the whole chain */
2144 if (!(c_showcerts && got_a_chain))
2145 PEM_write_bio_X509(bio, peer);
2146 X509_NAME_oneline(X509_get_subject_name(peer), buf, sizeof buf);
2147 BIO_printf(bio, "subject=%s\n", buf);
2148 X509_NAME_oneline(X509_get_issuer_name(peer), buf, sizeof buf);
2149 BIO_printf(bio, "issuer=%s\n", buf);
2151 BIO_printf(bio, "no peer certificate available\n");
2153 sk2 = SSL_get_client_CA_list(s);
2154 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0)) {
2155 BIO_printf(bio, "---\nAcceptable client certificate CA names\n");
2156 for (i = 0; i < sk_X509_NAME_num(sk2); i++) {
2157 xn = sk_X509_NAME_value(sk2, i);
2158 X509_NAME_oneline(xn, buf, sizeof(buf));
2159 BIO_write(bio, buf, strlen(buf));
2160 BIO_write(bio, "\n", 1);
2163 BIO_printf(bio, "---\nNo client certificate CA names sent\n");
2165 p = SSL_get_shared_ciphers(s, buf, sizeof buf);
2168 * This works only for SSL 2. In later protocol versions, the
2169 * client does not know what other ciphers (in addition to the
2170 * one to be used in the current connection) the server supports.
2174 "---\nCiphers common between both SSL endpoints:\n");
2178 BIO_write(bio, space, 15 - j % 25);
2181 BIO_write(bio, ((i % 3) ? " " : "\n"), 1);
2183 BIO_write(bio, p, 1);
2188 BIO_write(bio, "\n", 1);
2191 ssl_print_sigalgs(bio, s);
2192 ssl_print_tmp_key(bio, s);
2195 "---\nSSL handshake has read %ld bytes and written %ld bytes\n",
2196 BIO_number_read(SSL_get_rbio(s)),
2197 BIO_number_written(SSL_get_wbio(s)));
2199 BIO_printf(bio, (SSL_cache_hit(s) ? "---\nReused, " : "---\nNew, "));
2200 c = SSL_get_current_cipher(s);
2201 BIO_printf(bio, "%s, Cipher is %s\n",
2202 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
2205 pktmp = X509_get_pubkey(peer);
2206 BIO_printf(bio, "Server public key is %d bit\n",
2207 EVP_PKEY_bits(pktmp));
2208 EVP_PKEY_free(pktmp);
2210 BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
2211 SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
2212 #ifndef OPENSSL_NO_COMP
2213 comp = SSL_get_current_compression(s);
2214 expansion = SSL_get_current_expansion(s);
2215 BIO_printf(bio, "Compression: %s\n",
2216 comp ? SSL_COMP_get_name(comp) : "NONE");
2217 BIO_printf(bio, "Expansion: %s\n",
2218 expansion ? SSL_COMP_get_name(expansion) : "NONE");
2223 /* Print out local port of connection: useful for debugging */
2225 struct sockaddr_in ladd;
2226 socklen_t ladd_size = sizeof(ladd);
2227 sock = SSL_get_fd(s);
2228 getsockname(sock, (struct sockaddr *)&ladd, &ladd_size);
2229 BIO_printf(bio_c_out, "LOCAL PORT is %u\n", ntohs(ladd.sin_port));
2233 #if !defined(OPENSSL_NO_TLSEXT)
2234 # if !defined(OPENSSL_NO_NEXTPROTONEG)
2235 if (next_proto.status != -1) {
2236 const unsigned char *proto;
2237 unsigned int proto_len;
2238 SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
2239 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
2240 BIO_write(bio, proto, proto_len);
2241 BIO_write(bio, "\n", 1);
2245 const unsigned char *proto;
2246 unsigned int proto_len;
2247 SSL_get0_alpn_selected(s, &proto, &proto_len);
2248 if (proto_len > 0) {
2249 BIO_printf(bio, "ALPN protocol: ");
2250 BIO_write(bio, proto, proto_len);
2251 BIO_write(bio, "\n", 1);
2253 BIO_printf(bio, "No ALPN negotiated\n");
2257 #ifndef OPENSSL_NO_SRTP
2259 SRTP_PROTECTION_PROFILE *srtp_profile =
2260 SSL_get_selected_srtp_profile(s);
2263 BIO_printf(bio, "SRTP Extension negotiated, profile=%s\n",
2264 srtp_profile->name);
2268 SSL_SESSION_print(bio, SSL_get_session(s));
2269 if (keymatexportlabel != NULL) {
2270 BIO_printf(bio, "Keying material exporter:\n");
2271 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel);
2272 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen);
2273 exportedkeymat = OPENSSL_malloc(keymatexportlen);
2274 if (exportedkeymat != NULL) {
2275 if (!SSL_export_keying_material(s, exportedkeymat,
2278 strlen(keymatexportlabel),
2280 BIO_printf(bio, " Error\n");
2282 BIO_printf(bio, " Keying material: ");
2283 for (i = 0; i < keymatexportlen; i++)
2284 BIO_printf(bio, "%02X", exportedkeymat[i]);
2285 BIO_printf(bio, "\n");
2287 OPENSSL_free(exportedkeymat);
2290 BIO_printf(bio, "---\n");
2293 /* flush, or debugging output gets mixed with http response */
2294 (void)BIO_flush(bio);
2297 #ifndef OPENSSL_NO_TLSEXT
2299 static int ocsp_resp_cb(SSL *s, void *arg)
2301 const unsigned char *p;
2304 len = SSL_get_tlsext_status_ocsp_resp(s, &p);
2305 BIO_puts(arg, "OCSP response: ");
2307 BIO_puts(arg, "no response sent\n");
2310 rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
2312 BIO_puts(arg, "response parse error\n");
2313 BIO_dump_indent(arg, (char *)p, len, 4);
2316 BIO_puts(arg, "\n======================================\n");
2317 OCSP_RESPONSE_print(arg, rsp, 0);
2318 BIO_puts(arg, "======================================\n");
2319 OCSP_RESPONSE_free(rsp);