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>
145 * With IPv6, it looks like Digital has mixed up the proper order of
146 * recursive header file inclusion, resulting in the compiler complaining
147 * that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which is
148 * needed to have fileno() declared correctly... So let's define u_int
150 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
152 typedef unsigned int u_int;
157 #include <openssl/x509.h>
158 #include <openssl/ssl.h>
159 #include <openssl/err.h>
160 #include <openssl/pem.h>
161 #include <openssl/rand.h>
162 #include <openssl/ocsp.h>
163 #include <openssl/bn.h>
164 #ifndef OPENSSL_NO_SRP
165 # include <openssl/srp.h>
168 #include "timeouts.h"
170 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
171 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
176 #define PROG s_client_main
179 * #define SSL_HOST_NAME "www.netscape.com"
182 * #define SSL_HOST_NAME "193.118.187.102"
184 #define SSL_HOST_NAME "localhost"
186 /* no default cert. */
188 * #define TEST_CERT "client.pem"
192 #define BUFSIZZ 1024*8
194 extern int verify_depth;
195 extern int verify_error;
196 extern int verify_return_error;
197 extern int verify_quiet;
200 static int c_nbio = 0;
202 static int c_Pause = 0;
203 static int c_debug = 0;
204 #ifndef OPENSSL_NO_TLSEXT
205 static int c_tlsextdebug = 0;
206 static int c_status_req = 0;
208 static int c_msg = 0;
209 static int c_showcerts = 0;
211 static char *keymatexportlabel = NULL;
212 static int keymatexportlen = 20;
214 static void sc_usage(void);
215 static void print_stuff(BIO *berr, SSL *con, int full);
216 #ifndef OPENSSL_NO_TLSEXT
217 static int ocsp_resp_cb(SSL *s, void *arg);
219 static BIO *bio_c_out = NULL;
220 static BIO *bio_c_msg = NULL;
221 static int c_quiet = 0;
222 static int c_ign_eof = 0;
223 static int c_brief = 0;
225 #ifndef OPENSSL_NO_PSK
226 /* Default PSK identity and key */
227 static char *psk_identity = "Client_identity";
229 * char *psk_key=NULL; by default PSK is not used
232 static unsigned int psk_client_cb(SSL *ssl, const char *hint, char *identity,
233 unsigned int max_identity_len,
235 unsigned int max_psk_len)
237 unsigned int psk_len = 0;
242 BIO_printf(bio_c_out, "psk_client_cb\n");
244 /* no ServerKeyExchange message */
246 BIO_printf(bio_c_out,
247 "NULL received PSK identity hint, continuing anyway\n");
249 BIO_printf(bio_c_out, "Received PSK identity hint '%s'\n", hint);
252 * lookup PSK identity and PSK key based on the given identity hint here
254 ret = BIO_snprintf(identity, max_identity_len, "%s", psk_identity);
255 if (ret < 0 || (unsigned int)ret > max_identity_len)
258 BIO_printf(bio_c_out, "created identity '%s' len=%d\n", identity,
260 ret = BN_hex2bn(&bn, psk_key);
262 BIO_printf(bio_err, "Could not convert PSK key '%s' to BIGNUM\n",
269 if ((unsigned int)BN_num_bytes(bn) > max_psk_len) {
271 "psk buffer of callback is too small (%d) for key (%d)\n",
272 max_psk_len, BN_num_bytes(bn));
277 psk_len = BN_bn2bin(bn, psk);
283 BIO_printf(bio_c_out, "created PSK len=%d\n", psk_len);
288 BIO_printf(bio_err, "Error in PSK client callback\n");
293 static void sc_usage(void)
295 BIO_printf(bio_err, "usage: s_client args\n");
296 BIO_printf(bio_err, "\n");
297 BIO_printf(bio_err, " -host host - use -connect instead\n");
298 BIO_printf(bio_err, " -port port - use -connect instead\n");
300 " -connect host:port - connect over TCP/IP (default is %s:%s)\n",
301 SSL_HOST_NAME, PORT_STR);
303 " -unix path - connect over unix domain sockets\n");
305 " -verify arg - turn on peer certificate verification\n");
307 " -verify_return_error - return verification errors\n");
309 " -cert arg - certificate file to use, PEM format assumed\n");
311 " -certform arg - certificate format (PEM or DER) PEM default\n");
313 " -key arg - Private key file to use, in cert file if\n");
314 BIO_printf(bio_err, " not specified but cert file is.\n");
316 " -keyform arg - key format (PEM or DER) PEM default\n");
318 " -pass arg - private key file pass phrase source\n");
319 BIO_printf(bio_err, " -CApath arg - PEM format directory of CA's\n");
320 BIO_printf(bio_err, " -CAfile arg - PEM format file of CA's\n");
322 " -trusted_first - Use local CA's first when building trust chain\n");
324 " -reconnect - Drop and re-make the connection with the same Session-ID\n");
326 " -pause - sleep(1) after each read(2) and write(2) system call\n");
328 " -prexit - print session information even on connection failure\n");
330 " -showcerts - show all certificates in the chain\n");
331 BIO_printf(bio_err, " -debug - extra output\n");
333 BIO_printf(bio_err, " -wdebug - WATT-32 tcp debugging\n");
335 BIO_printf(bio_err, " -msg - Show protocol messages\n");
336 BIO_printf(bio_err, " -nbio_test - more ssl protocol testing\n");
337 BIO_printf(bio_err, " -state - print the 'ssl' states\n");
339 BIO_printf(bio_err, " -nbio - Run with non-blocking IO\n");
342 " -crlf - convert LF from terminal into CRLF\n");
343 BIO_printf(bio_err, " -quiet - no s_client output\n");
345 " -ign_eof - ignore input eof (default when -quiet)\n");
346 BIO_printf(bio_err, " -no_ign_eof - don't ignore input eof\n");
347 #ifndef OPENSSL_NO_PSK
348 BIO_printf(bio_err, " -psk_identity arg - PSK identity\n");
349 BIO_printf(bio_err, " -psk arg - PSK in hex (without 0x)\n");
350 # ifndef OPENSSL_NO_JPAKE
351 BIO_printf(bio_err, " -jpake arg - JPAKE secret to use\n");
354 #ifndef OPENSSL_NO_SRP
356 " -srpuser user - SRP authentification for 'user'\n");
357 BIO_printf(bio_err, " -srppass arg - password for 'user'\n");
359 " -srp_lateuser - SRP username into second ClientHello message\n");
361 " -srp_moregroups - Tolerate other than the known g N values.\n");
363 " -srp_strength int - minimal length in bits for N (default %d).\n",
366 #ifndef OPENSSL_NO_SSL3_METHOD
367 BIO_printf(bio_err, " -ssl3 - just use SSLv3\n");
369 BIO_printf(bio_err, " -tls1_2 - just use TLSv1.2\n");
370 BIO_printf(bio_err, " -tls1_1 - just use TLSv1.1\n");
371 BIO_printf(bio_err, " -tls1 - just use TLSv1\n");
372 BIO_printf(bio_err, " -dtls1 - just use DTLSv1\n");
373 BIO_printf(bio_err, " -fallback_scsv - send TLS_FALLBACK_SCSV\n");
374 BIO_printf(bio_err, " -mtu - set the link layer MTU\n");
376 " -no_tls1_2/-no_tls1_1/-no_tls1/-no_ssl3 - turn off that protocol\n");
378 " -bugs - Switch on all SSL implementation bug workarounds\n");
380 " -cipher - preferred cipher to use, use the 'openssl ciphers'\n");
382 " command to see what is available\n");
384 " -starttls prot - use the STARTTLS command before starting TLS\n");
386 " for those protocols that support it, where\n");
388 " 'prot' defines which one to assume. Currently,\n");
390 " only \"smtp\", \"pop3\", \"imap\", \"ftp\" and \"xmpp\"\n");
391 BIO_printf(bio_err, " are supported.\n");
393 " -xmpphost host - When used with \"-starttls xmpp\" specifies the virtual host.\n");
394 #ifndef OPENSSL_NO_ENGINE
396 " -engine id - Initialise and use the specified engine\n");
398 BIO_printf(bio_err, " -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR,
399 LIST_SEPARATOR_CHAR);
400 BIO_printf(bio_err, " -sess_out arg - file to write SSL session to\n");
401 BIO_printf(bio_err, " -sess_in arg - file to read SSL session from\n");
402 #ifndef OPENSSL_NO_TLSEXT
404 " -servername host - Set TLS extension servername in ClientHello\n");
406 " -tlsextdebug - hex dump of all TLS extensions received\n");
408 " -status - request certificate status from server\n");
410 " -no_ticket - disable use of RFC4507bis session tickets\n");
412 " -serverinfo types - send empty ClientHello extensions (comma-separated numbers)\n");
413 # ifndef OPENSSL_NO_NEXTPROTONEG
415 " -nextprotoneg arg - enable NPN extension, considering named protocols supported (comma-separated list)\n");
418 " -alpn arg - enable ALPN extension, considering named protocols supported (comma-separated list)\n");
421 " -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
422 #ifndef OPENSSL_NO_SRTP
424 " -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
427 " -keymatexport label - Export keying material using label\n");
429 " -keymatexportlen len - Export len bytes of keying material (default 20)\n");
432 #ifndef OPENSSL_NO_TLSEXT
434 /* This is a context that we pass to callbacks */
435 typedef struct tlsextctx_st {
440 static int ssl_servername_cb(SSL *s, int *ad, void *arg)
442 tlsextctx *p = (tlsextctx *) arg;
443 const char *hn = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
444 if (SSL_get_servername_type(s) != -1)
445 p->ack = !SSL_session_reused(s) && hn != NULL;
447 BIO_printf(bio_err, "Can't use SSL_get_servername\n");
449 return SSL_TLSEXT_ERR_OK;
452 # ifndef OPENSSL_NO_SRP
454 /* This is a context that we pass to all callbacks */
455 typedef struct srp_arg_st {
458 int msg; /* copy from c_msg */
459 int debug; /* copy from c_debug */
460 int amp; /* allow more groups */
461 int strength /* minimal size for N */ ;
464 # define SRP_NUMBER_ITERATIONS_FOR_PRIME 64
466 static int srp_Verify_N_and_g(const BIGNUM *N, const BIGNUM *g)
468 BN_CTX *bn_ctx = BN_CTX_new();
469 BIGNUM *p = BN_new();
470 BIGNUM *r = BN_new();
472 g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) &&
473 BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
474 p != NULL && BN_rshift1(p, N) &&
476 BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
478 /* verify g^((N-1)/2) == -1 (mod N) */
479 BN_mod_exp(r, g, p, N, bn_ctx) &&
480 BN_add_word(r, 1) && BN_cmp(r, N) == 0;
492 * This callback is used here for two purposes:
493 * - extended debugging
494 * - making some primality tests for unknown groups
495 * The callback is only called for a non default group.
497 * An application does not need the call back at all if
498 * only the stanard groups are used. In real life situations,
499 * client and server already share well known groups,
500 * thus there is no need to verify them.
501 * Furthermore, in case that a server actually proposes a group that
502 * is not one of those defined in RFC 5054, it is more appropriate
503 * to add the group to a static list and then compare since
504 * primality tests are rather cpu consuming.
507 static int ssl_srp_verify_param_cb(SSL *s, void *arg)
509 SRP_ARG *srp_arg = (SRP_ARG *)arg;
510 BIGNUM *N = NULL, *g = NULL;
511 if (!(N = SSL_get_srp_N(s)) || !(g = SSL_get_srp_g(s)))
513 if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1) {
514 BIO_printf(bio_err, "SRP parameters:\n");
515 BIO_printf(bio_err, "\tN=");
516 BN_print(bio_err, N);
517 BIO_printf(bio_err, "\n\tg=");
518 BN_print(bio_err, g);
519 BIO_printf(bio_err, "\n");
522 if (SRP_check_known_gN_param(g, N))
525 if (srp_arg->amp == 1) {
528 "SRP param N and g are not known params, going to check deeper.\n");
531 * The srp_moregroups is a real debugging feature. Implementors
532 * should rather add the value to the known ones. The minimal size
533 * has already been tested.
535 if (BN_num_bits(g) <= BN_BITS && srp_Verify_N_and_g(N, g))
538 BIO_printf(bio_err, "SRP param N and g rejected.\n");
542 # define PWD_STRLEN 1024
544 static char *ssl_give_srp_client_pwd_cb(SSL *s, void *arg)
546 SRP_ARG *srp_arg = (SRP_ARG *)arg;
547 char *pass = (char *)OPENSSL_malloc(PWD_STRLEN + 1);
551 cb_tmp.password = (char *)srp_arg->srppassin;
552 cb_tmp.prompt_info = "SRP user";
553 if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp)) < 0) {
554 BIO_printf(bio_err, "Can't read Password\n");
564 # ifndef OPENSSL_NO_SRTP
565 char *srtp_profiles = NULL;
568 # ifndef OPENSSL_NO_NEXTPROTONEG
569 /* This the context that we pass to next_proto_cb */
570 typedef struct tlsextnextprotoctx_st {
574 } tlsextnextprotoctx;
576 static tlsextnextprotoctx next_proto;
578 static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen,
579 const unsigned char *in, unsigned int inlen,
582 tlsextnextprotoctx *ctx = arg;
585 /* We can assume that |in| is syntactically valid. */
587 BIO_printf(bio_c_out, "Protocols advertised by server: ");
588 for (i = 0; i < inlen;) {
590 BIO_write(bio_c_out, ", ", 2);
591 BIO_write(bio_c_out, &in[i + 1], in[i]);
594 BIO_write(bio_c_out, "\n", 1);
598 SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len);
599 return SSL_TLSEXT_ERR_OK;
601 # endif /* ndef OPENSSL_NO_NEXTPROTONEG */
603 static int serverinfo_cli_parse_cb(SSL *s, unsigned int ext_type,
604 const unsigned char *in, size_t inlen,
608 unsigned char ext_buf[4 + 65536];
610 /* Reconstruct the type/len fields prior to extension data */
611 ext_buf[0] = ext_type >> 8;
612 ext_buf[1] = ext_type & 0xFF;
613 ext_buf[2] = inlen >> 8;
614 ext_buf[3] = inlen & 0xFF;
615 memcpy(ext_buf + 4, in, inlen);
617 BIO_snprintf(pem_name, sizeof(pem_name), "SERVERINFO FOR EXTENSION %d",
619 PEM_write_bio(bio_c_out, pem_name, "", ext_buf, 4 + inlen);
634 int MAIN(int, char **);
636 int MAIN(int argc, char **argv)
640 #ifndef OPENSSL_NO_KRB5
643 int s, k, width, state = 0;
644 char *cbuf = NULL, *sbuf = NULL, *mbuf = NULL;
645 int cbuf_len, cbuf_off;
646 int sbuf_len, sbuf_off;
647 fd_set readfds, writefds;
650 char *host = SSL_HOST_NAME;
651 const char *unix_path = NULL;
652 char *xmpphost = NULL;
653 char *cert_file = NULL, *key_file = NULL, *chain_file = NULL;
654 int cert_format = FORMAT_PEM, key_format = FORMAT_PEM;
655 char *passarg = NULL, *pass = NULL;
657 EVP_PKEY *key = NULL;
658 STACK_OF(X509) *chain = NULL;
659 char *CApath = NULL, *CAfile = NULL;
660 char *chCApath = NULL, *chCAfile = NULL;
661 char *vfyCApath = NULL, *vfyCAfile = NULL;
662 int reconnect = 0, badop = 0, verify = SSL_VERIFY_NONE;
664 int write_tty, read_tty, write_ssl, read_ssl, tty_on, ssl_pending;
666 int ret = 1, in_init = 1, i, nbio_test = 0;
667 int starttls_proto = PROTO_OFF;
669 X509_VERIFY_PARAM *vpm = NULL;
671 const SSL_METHOD *meth = NULL;
672 int socket_type = SOCK_STREAM;
676 struct timeval timeout, *timeoutp;
677 #ifndef OPENSSL_NO_ENGINE
678 char *engine_id = NULL;
679 char *ssl_client_engine_id = NULL;
680 ENGINE *ssl_client_engine = NULL;
683 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
686 #ifndef OPENSSL_NO_TLSEXT
687 char *servername = NULL;
688 tlsextctx tlsextcbp = { NULL, 0 };
689 # ifndef OPENSSL_NO_NEXTPROTONEG
690 const char *next_proto_neg_in = NULL;
692 const char *alpn_in = NULL;
693 # define MAX_SI_TYPES 100
694 unsigned short serverinfo_types[MAX_SI_TYPES];
695 int serverinfo_types_count = 0;
697 char *sess_in = NULL;
698 char *sess_out = NULL;
699 struct sockaddr peer;
700 int peerlen = sizeof(peer);
701 int fallback_scsv = 0;
702 int enable_timeouts = 0;
704 #ifndef OPENSSL_NO_JPAKE
705 static char *jpake_secret = NULL;
706 # define no_jpake !jpake_secret
710 #ifndef OPENSSL_NO_SRP
711 char *srppass = NULL;
712 int srp_lateuser = 0;
713 SRP_ARG srp_arg = { NULL, NULL, 0, 0, 0, 1024 };
715 SSL_EXCERT *exc = NULL;
717 SSL_CONF_CTX *cctx = NULL;
718 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
720 char *crl_file = NULL;
721 int crl_format = FORMAT_PEM;
722 int crl_download = 0;
723 STACK_OF(X509_CRL) *crls = NULL;
726 meth = SSLv23_client_method();
737 bio_err = BIO_new_fp(stderr, BIO_NOCLOSE);
739 if (!load_config(bio_err, NULL))
741 cctx = SSL_CONF_CTX_new();
744 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT);
745 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CMDLINE);
747 if (((cbuf = OPENSSL_malloc(BUFSIZZ)) == NULL) ||
748 ((sbuf = OPENSSL_malloc(BUFSIZZ)) == NULL) ||
749 ((mbuf = OPENSSL_malloc(BUFSIZZ)) == NULL)) {
750 BIO_printf(bio_err, "out of memory\n");
755 verify_error = X509_V_OK;
763 if (strcmp(*argv, "-host") == 0) {
767 } else if (strcmp(*argv, "-port") == 0) {
770 port = atoi(*(++argv));
773 } else if (strcmp(*argv, "-connect") == 0) {
776 if (!extract_host_port(*(++argv), &host, NULL, &port))
778 } else if (strcmp(*argv, "-unix") == 0) {
781 unix_path = *(++argv);
782 } else if (strcmp(*argv, "-xmpphost") == 0) {
785 xmpphost = *(++argv);
786 } else if (strcmp(*argv, "-verify") == 0) {
787 verify = SSL_VERIFY_PEER;
790 verify_depth = atoi(*(++argv));
792 BIO_printf(bio_err, "verify depth is %d\n", verify_depth);
793 } else if (strcmp(*argv, "-cert") == 0) {
796 cert_file = *(++argv);
797 } else if (strcmp(*argv, "-CRL") == 0) {
800 crl_file = *(++argv);
801 } else if (strcmp(*argv, "-crl_download") == 0)
803 else if (strcmp(*argv, "-sess_out") == 0) {
806 sess_out = *(++argv);
807 } else if (strcmp(*argv, "-sess_in") == 0) {
811 } else if (strcmp(*argv, "-certform") == 0) {
814 cert_format = str2fmt(*(++argv));
815 } else if (strcmp(*argv, "-CRLform") == 0) {
818 crl_format = str2fmt(*(++argv));
819 } else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm)) {
823 } else if (strcmp(*argv, "-verify_return_error") == 0)
824 verify_return_error = 1;
825 else if (strcmp(*argv, "-verify_quiet") == 0)
827 else if (strcmp(*argv, "-brief") == 0) {
831 } else if (args_excert(&argv, &argc, &badarg, bio_err, &exc)) {
835 } else if (args_ssl(&argv, &argc, cctx, &badarg, bio_err, &ssl_args)) {
839 } else if (strcmp(*argv, "-prexit") == 0)
841 else if (strcmp(*argv, "-crlf") == 0)
843 else if (strcmp(*argv, "-quiet") == 0) {
846 } else if (strcmp(*argv, "-ign_eof") == 0)
848 else if (strcmp(*argv, "-no_ign_eof") == 0)
850 else if (strcmp(*argv, "-pause") == 0)
852 else if (strcmp(*argv, "-debug") == 0)
854 #ifndef OPENSSL_NO_TLSEXT
855 else if (strcmp(*argv, "-tlsextdebug") == 0)
857 else if (strcmp(*argv, "-status") == 0)
861 else if (strcmp(*argv, "-wdebug") == 0)
864 else if (strcmp(*argv, "-msg") == 0)
866 else if (strcmp(*argv, "-msgfile") == 0) {
869 bio_c_msg = BIO_new_file(*(++argv), "w");
871 #ifndef OPENSSL_NO_SSL_TRACE
872 else if (strcmp(*argv, "-trace") == 0)
875 else if (strcmp(*argv, "-security_debug") == 0) {
877 } else if (strcmp(*argv, "-security_debug_verbose") == 0) {
879 } else if (strcmp(*argv, "-showcerts") == 0)
881 else if (strcmp(*argv, "-nbio_test") == 0)
883 else if (strcmp(*argv, "-state") == 0)
885 #ifndef OPENSSL_NO_PSK
886 else if (strcmp(*argv, "-psk_identity") == 0) {
889 psk_identity = *(++argv);
890 } else if (strcmp(*argv, "-psk") == 0) {
896 for (j = 0; j < strlen(psk_key); j++) {
897 if (isxdigit((unsigned char)psk_key[j]))
899 BIO_printf(bio_err, "Not a hex number '%s'\n", *argv);
904 #ifndef OPENSSL_NO_SRP
905 else if (strcmp(*argv, "-srpuser") == 0) {
908 srp_arg.srplogin = *(++argv);
909 meth = TLSv1_client_method();
910 } else if (strcmp(*argv, "-srppass") == 0) {
914 meth = TLSv1_client_method();
915 } else if (strcmp(*argv, "-srp_strength") == 0) {
918 srp_arg.strength = atoi(*(++argv));
919 BIO_printf(bio_err, "SRP minimal length for N is %d\n",
921 meth = TLSv1_client_method();
922 } else if (strcmp(*argv, "-srp_lateuser") == 0) {
924 meth = TLSv1_client_method();
925 } else if (strcmp(*argv, "-srp_moregroups") == 0) {
927 meth = TLSv1_client_method();
930 #ifndef OPENSSL_NO_SSL3_METHOD
931 else if (strcmp(*argv, "-ssl3") == 0)
932 meth = SSLv3_client_method();
934 #ifndef OPENSSL_NO_TLS1
935 else if (strcmp(*argv, "-tls1_2") == 0)
936 meth = TLSv1_2_client_method();
937 else if (strcmp(*argv, "-tls1_1") == 0)
938 meth = TLSv1_1_client_method();
939 else if (strcmp(*argv, "-tls1") == 0)
940 meth = TLSv1_client_method();
942 #ifndef OPENSSL_NO_DTLS1
943 else if (strcmp(*argv, "-dtls") == 0) {
944 meth = DTLS_client_method();
945 socket_type = SOCK_DGRAM;
946 } else if (strcmp(*argv, "-dtls1") == 0) {
947 meth = DTLSv1_client_method();
948 socket_type = SOCK_DGRAM;
949 } else if (strcmp(*argv, "-dtls1_2") == 0) {
950 meth = DTLSv1_2_client_method();
951 socket_type = SOCK_DGRAM;
952 } else if (strcmp(*argv, "-timeout") == 0)
954 else if (strcmp(*argv, "-mtu") == 0) {
957 socket_mtu = atol(*(++argv));
960 else if (strcmp(*argv, "-fallback_scsv") == 0) {
962 } else if (strcmp(*argv, "-keyform") == 0) {
965 key_format = str2fmt(*(++argv));
966 } else if (strcmp(*argv, "-pass") == 0) {
970 } else if (strcmp(*argv, "-cert_chain") == 0) {
973 chain_file = *(++argv);
974 } else if (strcmp(*argv, "-key") == 0) {
977 key_file = *(++argv);
978 } else if (strcmp(*argv, "-reconnect") == 0) {
980 } else if (strcmp(*argv, "-CApath") == 0) {
984 } else if (strcmp(*argv, "-chainCApath") == 0) {
987 chCApath = *(++argv);
988 } else if (strcmp(*argv, "-verifyCApath") == 0) {
991 vfyCApath = *(++argv);
992 } else if (strcmp(*argv, "-build_chain") == 0)
994 else if (strcmp(*argv, "-CAfile") == 0) {
998 } else if (strcmp(*argv, "-chainCAfile") == 0) {
1001 chCAfile = *(++argv);
1002 } else if (strcmp(*argv, "-verifyCAfile") == 0) {
1005 vfyCAfile = *(++argv);
1007 #ifndef OPENSSL_NO_TLSEXT
1008 # ifndef OPENSSL_NO_NEXTPROTONEG
1009 else if (strcmp(*argv, "-nextprotoneg") == 0) {
1012 next_proto_neg_in = *(++argv);
1015 else if (strcmp(*argv, "-alpn") == 0) {
1018 alpn_in = *(++argv);
1019 } else if (strcmp(*argv, "-serverinfo") == 0) {
1027 serverinfo_types_count = 0;
1029 for (i = 0; i <= len; ++i) {
1030 if (i == len || c[i] == ',') {
1031 serverinfo_types[serverinfo_types_count]
1033 serverinfo_types_count++;
1036 if (serverinfo_types_count == MAX_SI_TYPES)
1042 else if (strcmp(*argv, "-nbio") == 0) {
1046 else if (strcmp(*argv, "-starttls") == 0) {
1050 if (strcmp(*argv, "smtp") == 0)
1051 starttls_proto = PROTO_SMTP;
1052 else if (strcmp(*argv, "pop3") == 0)
1053 starttls_proto = PROTO_POP3;
1054 else if (strcmp(*argv, "imap") == 0)
1055 starttls_proto = PROTO_IMAP;
1056 else if (strcmp(*argv, "ftp") == 0)
1057 starttls_proto = PROTO_FTP;
1058 else if (strcmp(*argv, "xmpp") == 0)
1059 starttls_proto = PROTO_XMPP;
1063 #ifndef OPENSSL_NO_ENGINE
1064 else if (strcmp(*argv, "-engine") == 0) {
1067 engine_id = *(++argv);
1068 } else if (strcmp(*argv, "-ssl_client_engine") == 0) {
1071 ssl_client_engine_id = *(++argv);
1074 else if (strcmp(*argv, "-rand") == 0) {
1079 #ifndef OPENSSL_NO_TLSEXT
1080 else if (strcmp(*argv, "-servername") == 0) {
1083 servername = *(++argv);
1084 /* meth=TLSv1_client_method(); */
1087 #ifndef OPENSSL_NO_JPAKE
1088 else if (strcmp(*argv, "-jpake") == 0) {
1091 jpake_secret = *++argv;
1094 #ifndef OPENSSL_NO_SRTP
1095 else if (strcmp(*argv, "-use_srtp") == 0) {
1098 srtp_profiles = *(++argv);
1101 else if (strcmp(*argv, "-keymatexport") == 0) {
1104 keymatexportlabel = *(++argv);
1105 } else if (strcmp(*argv, "-keymatexportlen") == 0) {
1108 keymatexportlen = atoi(*(++argv));
1109 if (keymatexportlen == 0)
1112 BIO_printf(bio_err, "unknown option %s\n", *argv);
1125 if (unix_path && (socket_type != SOCK_STREAM)) {
1127 "Can't use unix sockets and datagrams together\n");
1130 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1133 BIO_printf(bio_err, "Can't use JPAKE and PSK together\n");
1136 psk_identity = "JPAKE";
1140 OpenSSL_add_ssl_algorithms();
1141 SSL_load_error_strings();
1143 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
1144 next_proto.status = -1;
1145 if (next_proto_neg_in) {
1147 next_protos_parse(&next_proto.len, next_proto_neg_in);
1148 if (next_proto.data == NULL) {
1149 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n");
1153 next_proto.data = NULL;
1156 #ifndef OPENSSL_NO_ENGINE
1157 e = setup_engine(bio_err, engine_id, 1);
1158 if (ssl_client_engine_id) {
1159 ssl_client_engine = ENGINE_by_id(ssl_client_engine_id);
1160 if (!ssl_client_engine) {
1161 BIO_printf(bio_err, "Error getting client auth engine\n");
1166 if (!app_passwd(bio_err, passarg, NULL, &pass, NULL)) {
1167 BIO_printf(bio_err, "Error getting password\n");
1171 if (key_file == NULL)
1172 key_file = cert_file;
1176 key = load_key(bio_err, key_file, key_format, 0, pass, e,
1177 "client certificate private key file");
1179 ERR_print_errors(bio_err);
1186 cert = load_cert(bio_err, cert_file, cert_format,
1187 NULL, e, "client certificate file");
1190 ERR_print_errors(bio_err);
1196 chain = load_certs(bio_err, chain_file, FORMAT_PEM,
1197 NULL, e, "client certificate chain");
1204 crl = load_crl(crl_file, crl_format);
1206 BIO_puts(bio_err, "Error loading CRL\n");
1207 ERR_print_errors(bio_err);
1210 crls = sk_X509_CRL_new_null();
1211 if (!crls || !sk_X509_CRL_push(crls, crl)) {
1212 BIO_puts(bio_err, "Error adding CRL\n");
1213 ERR_print_errors(bio_err);
1219 if (!load_excert(&exc, bio_err))
1222 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1223 && !RAND_status()) {
1225 "warning, not much extra random data, consider using the -rand option\n");
1228 BIO_printf(bio_err, "%ld semi-random bytes loaded\n",
1229 app_RAND_load_files(inrand));
1231 if (bio_c_out == NULL) {
1232 if (c_quiet && !c_debug) {
1233 bio_c_out = BIO_new(BIO_s_null());
1234 if (c_msg && !bio_c_msg)
1235 bio_c_msg = BIO_new_fp(stdout, BIO_NOCLOSE);
1237 if (bio_c_out == NULL)
1238 bio_c_out = BIO_new_fp(stdout, BIO_NOCLOSE);
1241 #ifndef OPENSSL_NO_SRP
1242 if (!app_passwd(bio_err, srppass, NULL, &srp_arg.srppassin, NULL)) {
1243 BIO_printf(bio_err, "Error getting password\n");
1248 ctx = SSL_CTX_new(meth);
1250 ERR_print_errors(bio_err);
1255 ssl_ctx_security_debug(ctx, bio_err, sdebug);
1258 SSL_CTX_set1_param(ctx, vpm);
1260 if (!args_ssl_call(ctx, bio_err, cctx, ssl_args, 1, no_jpake)) {
1261 ERR_print_errors(bio_err);
1265 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1266 crls, crl_download)) {
1267 BIO_printf(bio_err, "Error loading store locations\n");
1268 ERR_print_errors(bio_err);
1271 #ifndef OPENSSL_NO_ENGINE
1272 if (ssl_client_engine) {
1273 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine)) {
1274 BIO_puts(bio_err, "Error setting client auth engine\n");
1275 ERR_print_errors(bio_err);
1276 ENGINE_free(ssl_client_engine);
1279 ENGINE_free(ssl_client_engine);
1283 #ifndef OPENSSL_NO_PSK
1284 # ifdef OPENSSL_NO_JPAKE
1285 if (psk_key != NULL)
1287 if (psk_key != NULL || jpake_secret)
1291 BIO_printf(bio_c_out,
1292 "PSK key given or JPAKE in use, setting client callback\n");
1293 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
1296 #ifndef OPENSSL_NO_SRTP
1297 if (srtp_profiles != NULL)
1298 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1301 ssl_ctx_set_excert(ctx, exc);
1303 #if !defined(OPENSSL_NO_TLSEXT)
1304 # if !defined(OPENSSL_NO_NEXTPROTONEG)
1305 if (next_proto.data)
1306 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
1309 unsigned short alpn_len;
1310 unsigned char *alpn = next_protos_parse(&alpn_len, alpn_in);
1313 BIO_printf(bio_err, "Error parsing -alpn argument\n");
1316 SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len);
1320 #ifndef OPENSSL_NO_TLSEXT
1321 for (i = 0; i < serverinfo_types_count; i++) {
1322 SSL_CTX_add_client_custom_ext(ctx,
1323 serverinfo_types[i],
1325 serverinfo_cli_parse_cb, NULL);
1330 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1333 SSL_CTX_set_cipher_list(ctx, getenv("SSL_CIPHER"));
1336 SSL_CTX_set_verify(ctx, verify, verify_callback);
1338 if ((!SSL_CTX_load_verify_locations(ctx, CAfile, CApath)) ||
1339 (!SSL_CTX_set_default_verify_paths(ctx))) {
1341 * BIO_printf(bio_err,"error setting default verify locations\n");
1343 ERR_print_errors(bio_err);
1347 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)
1425 if ((!unix_path && (init_client(&s, host, port, socket_type) == 0)) ||
1426 (unix_path && (init_client_unix(&s, unix_path) == 0)))
1429 BIO_printf(bio_err, "connect:errno=%d\n", get_last_socket_error());
1433 BIO_printf(bio_c_out, "CONNECTED(%08X)\n", s);
1437 unsigned long l = 1;
1438 BIO_printf(bio_c_out, "turning on non blocking io\n");
1439 if (BIO_socket_ioctl(s, FIONBIO, &l) < 0) {
1440 ERR_print_errors(bio_err);
1446 SSL_set_debug(con, 1);
1448 if (socket_type == SOCK_DGRAM) {
1450 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
1451 if (getsockname(s, &peer, (void *)&peerlen) < 0) {
1452 BIO_printf(bio_err, "getsockname:errno=%d\n",
1453 get_last_socket_error());
1458 (void)BIO_ctrl_set_connected(sbio, 1, &peer);
1460 if (enable_timeouts) {
1462 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1463 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1466 timeout.tv_usec = DGRAM_SND_TIMEOUT;
1467 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1471 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
1472 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
1473 DTLS_get_link_min_mtu(con));
1477 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1478 if (!DTLS_set_link_mtu(con, socket_mtu)) {
1479 BIO_printf(bio_err, "Failed to set MTU\n");
1484 /* want to do MTU discovery */
1485 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1487 sbio = BIO_new_socket(s, BIO_NOCLOSE);
1492 test = BIO_new(BIO_f_nbio_test());
1493 sbio = BIO_push(test, sbio);
1497 SSL_set_debug(con, 1);
1498 BIO_set_callback(sbio, bio_dump_callback);
1499 BIO_set_callback_arg(sbio, (char *)bio_c_out);
1502 #ifndef OPENSSL_NO_SSL_TRACE
1504 SSL_set_msg_callback(con, SSL_trace);
1507 SSL_set_msg_callback(con, msg_cb);
1508 SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out);
1510 #ifndef OPENSSL_NO_TLSEXT
1511 if (c_tlsextdebug) {
1512 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1513 SSL_set_tlsext_debug_arg(con, bio_c_out);
1516 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
1517 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
1518 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
1521 STACK_OF(OCSP_RESPID) *ids = sk_OCSP_RESPID_new_null();
1522 OCSP_RESPID *id = OCSP_RESPID_new();
1523 id->value.byKey = ASN1_OCTET_STRING_new();
1524 id->type = V_OCSP_RESPID_KEY;
1525 ASN1_STRING_set(id->value.byKey, "Hello World", -1);
1526 sk_OCSP_RESPID_push(ids, id);
1527 SSL_set_tlsext_status_ids(con, ids);
1532 #ifndef OPENSSL_NO_JPAKE
1534 jpake_client_auth(bio_c_out, sbio, jpake_secret);
1537 SSL_set_bio(con, sbio, sbio);
1538 SSL_set_connect_state(con);
1540 /* ok, lets connect */
1541 width = SSL_get_fd(con) + 1;
1554 /* This is an ugly hack that does a lot of assumptions */
1556 * We do have to handle multi-line responses which may come in a single
1557 * packet or not. We therefore have to use BIO_gets() which does need a
1558 * buffering BIO. So during the initial chitchat we do push a buffering
1559 * BIO into the chain that is removed again later on to not disturb the
1560 * rest of the s_client operation.
1562 if (starttls_proto == PROTO_SMTP) {
1564 BIO *fbio = BIO_new(BIO_f_buffer());
1565 BIO_push(fbio, sbio);
1566 /* wait for multi-line response to end from SMTP */
1568 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1570 while (mbuf_len > 3 && mbuf[3] == '-');
1571 /* STARTTLS command requires EHLO... */
1572 BIO_printf(fbio, "EHLO openssl.client.net\r\n");
1573 (void)BIO_flush(fbio);
1574 /* wait for multi-line response to end EHLO SMTP response */
1576 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1577 if (strstr(mbuf, "STARTTLS"))
1580 while (mbuf_len > 3 && mbuf[3] == '-');
1581 (void)BIO_flush(fbio);
1586 "didn't found starttls in server response,"
1587 " try anyway...\n");
1588 BIO_printf(sbio, "STARTTLS\r\n");
1589 BIO_read(sbio, sbuf, BUFSIZZ);
1590 } else if (starttls_proto == PROTO_POP3) {
1591 BIO_read(sbio, mbuf, BUFSIZZ);
1592 BIO_printf(sbio, "STLS\r\n");
1593 BIO_read(sbio, sbuf, BUFSIZZ);
1594 } else if (starttls_proto == PROTO_IMAP) {
1596 BIO *fbio = BIO_new(BIO_f_buffer());
1597 BIO_push(fbio, sbio);
1598 BIO_gets(fbio, mbuf, BUFSIZZ);
1599 /* STARTTLS command requires CAPABILITY... */
1600 BIO_printf(fbio, ". CAPABILITY\r\n");
1601 (void)BIO_flush(fbio);
1602 /* wait for multi-line CAPABILITY response */
1604 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1605 if (strstr(mbuf, "STARTTLS"))
1608 while (mbuf_len > 3 && mbuf[0] != '.');
1609 (void)BIO_flush(fbio);
1614 "didn't found STARTTLS in server response,"
1615 " try anyway...\n");
1616 BIO_printf(sbio, ". STARTTLS\r\n");
1617 BIO_read(sbio, sbuf, BUFSIZZ);
1618 } else if (starttls_proto == PROTO_FTP) {
1619 BIO *fbio = BIO_new(BIO_f_buffer());
1620 BIO_push(fbio, sbio);
1621 /* wait for multi-line response to end from FTP */
1623 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1625 while (mbuf_len > 3 && mbuf[3] == '-');
1626 (void)BIO_flush(fbio);
1629 BIO_printf(sbio, "AUTH TLS\r\n");
1630 BIO_read(sbio, sbuf, BUFSIZZ);
1632 if (starttls_proto == PROTO_XMPP) {
1634 BIO_printf(sbio, "<stream:stream "
1635 "xmlns:stream='http://etherx.jabber.org/streams' "
1636 "xmlns='jabber:client' to='%s' version='1.0'>", xmpphost ?
1638 seen = BIO_read(sbio, mbuf, BUFSIZZ);
1641 (mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")
1643 "<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\""))
1645 seen = BIO_read(sbio, mbuf, BUFSIZZ);
1653 "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
1654 seen = BIO_read(sbio, sbuf, BUFSIZZ);
1656 if (!strstr(sbuf, "<proceed"))
1665 if ((SSL_version(con) == DTLS1_VERSION) &&
1666 DTLSv1_get_timeout(con, &timeout))
1667 timeoutp = &timeout;
1671 if (SSL_in_init(con) && !SSL_total_renegotiations(con)) {
1678 #if 0 /* This test doesn't really work as intended
1679 * (needs to be fixed) */
1680 # ifndef OPENSSL_NO_TLSEXT
1681 if (servername != NULL && !SSL_session_reused(con)) {
1682 BIO_printf(bio_c_out,
1683 "Server did %sacknowledge servername extension.\n",
1684 tlsextcbp.ack ? "" : "not ");
1689 BIO *stmp = BIO_new_file(sess_out, "w");
1691 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));
1694 BIO_printf(bio_err, "Error writing session file %s\n",
1698 BIO_puts(bio_err, "CONNECTION ESTABLISHED\n");
1699 print_ssl_summary(bio_err, con);
1702 print_stuff(bio_c_out, con, full_log);
1706 if (starttls_proto) {
1707 BIO_printf(bio_err, "%s", mbuf);
1708 /* We don't need to know any more */
1709 starttls_proto = PROTO_OFF;
1714 BIO_printf(bio_c_out,
1715 "drop connection and then reconnect\n");
1717 SSL_set_connect_state(con);
1718 SHUTDOWN(SSL_get_fd(con));
1724 ssl_pending = read_ssl && SSL_pending(con);
1727 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE)
1730 openssl_fdset(fileno(stdin), &readfds);
1732 openssl_fdset(fileno(stdout), &writefds);
1735 openssl_fdset(SSL_get_fd(con), &readfds);
1737 openssl_fdset(SSL_get_fd(con), &writefds);
1739 if (!tty_on || !write_tty) {
1741 openssl_fdset(SSL_get_fd(con), &readfds);
1743 openssl_fdset(SSL_get_fd(con), &writefds);
1746 /*- printf("mode tty(%d %d%d) ssl(%d%d)\n",
1747 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
1750 * Note: under VMS with SOCKETSHR the second parameter is
1751 * currently of type (int *) whereas under other systems it is
1752 * (void *) if you don't have a cast it will choke the compiler:
1753 * if you do have a cast then you can either go for (int *) or
1756 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1758 * Under Windows/DOS we make the assumption that we can always
1759 * write to the tty: therefore if we need to write to the tty we
1760 * just fall through. Otherwise we timeout the select every
1761 * second and see if there are any keypresses. Note: this is a
1762 * hack, in a proper Windows application we wouldn't do this.
1769 i = select(width, (void *)&readfds, (void *)&writefds,
1771 # if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1772 if (!i && (!_kbhit() || !read_tty))
1775 if (!i && (!((_kbhit())
1776 || (WAIT_OBJECT_0 ==
1777 WaitForSingleObject(GetStdHandle
1784 i = select(width, (void *)&readfds, (void *)&writefds,
1787 #elif defined(OPENSSL_SYS_NETWARE)
1792 i = select(width, (void *)&readfds, (void *)&writefds,
1795 i = select(width, (void *)&readfds, (void *)&writefds,
1799 i = select(width, (void *)&readfds, (void *)&writefds,
1803 BIO_printf(bio_err, "bad select %d\n",
1804 get_last_socket_error());
1810 if ((SSL_version(con) == DTLS1_VERSION)
1811 && DTLSv1_handle_timeout(con) > 0) {
1812 BIO_printf(bio_err, "TIMEOUT occurred\n");
1815 if (!ssl_pending && FD_ISSET(SSL_get_fd(con), &writefds)) {
1816 k = SSL_write(con, &(cbuf[cbuf_off]), (unsigned int)cbuf_len);
1817 switch (SSL_get_error(con, k)) {
1818 case SSL_ERROR_NONE:
1823 /* we have done a write(con,NULL,0); */
1824 if (cbuf_len <= 0) {
1827 } else { /* if (cbuf_len > 0) */
1833 case SSL_ERROR_WANT_WRITE:
1834 BIO_printf(bio_c_out, "write W BLOCK\n");
1838 case SSL_ERROR_WANT_READ:
1839 BIO_printf(bio_c_out, "write R BLOCK\n");
1844 case SSL_ERROR_WANT_X509_LOOKUP:
1845 BIO_printf(bio_c_out, "write X BLOCK\n");
1847 case SSL_ERROR_ZERO_RETURN:
1848 if (cbuf_len != 0) {
1849 BIO_printf(bio_c_out, "shutdown\n");
1858 case SSL_ERROR_SYSCALL:
1859 if ((k != 0) || (cbuf_len != 0)) {
1860 BIO_printf(bio_err, "write:errno=%d\n",
1861 get_last_socket_error());
1869 ERR_print_errors(bio_err);
1873 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
1874 /* Assume Windows/DOS/BeOS can always write */
1875 else if (!ssl_pending && write_tty)
1877 else if (!ssl_pending && FD_ISSET(fileno(stdout), &writefds))
1880 #ifdef CHARSET_EBCDIC
1881 ascii2ebcdic(&(sbuf[sbuf_off]), &(sbuf[sbuf_off]), sbuf_len);
1883 i = raw_write_stdout(&(sbuf[sbuf_off]), sbuf_len);
1886 BIO_printf(bio_c_out, "DONE\n");
1894 if (sbuf_len <= 0) {
1898 } else if (ssl_pending || FD_ISSET(SSL_get_fd(con), &readfds)) {
1903 SSL_renegotiate(con);
1909 k = SSL_read(con, sbuf, 1024 /* BUFSIZZ */ );
1911 /* Demo for pending and peek :-) */
1912 k = SSL_read(con, sbuf, 16);
1915 printf("read=%d pending=%d peek=%d\n", k, SSL_pending(con),
1916 SSL_peek(con, zbuf, 10240));
1920 switch (SSL_get_error(con, k)) {
1921 case SSL_ERROR_NONE:
1930 case SSL_ERROR_WANT_WRITE:
1931 BIO_printf(bio_c_out, "read W BLOCK\n");
1935 case SSL_ERROR_WANT_READ:
1936 BIO_printf(bio_c_out, "read R BLOCK\n");
1939 if ((read_tty == 0) && (write_ssl == 0))
1942 case SSL_ERROR_WANT_X509_LOOKUP:
1943 BIO_printf(bio_c_out, "read X BLOCK\n");
1945 case SSL_ERROR_SYSCALL:
1946 ret = get_last_socket_error();
1948 BIO_puts(bio_err, "CONNECTION CLOSED BY SERVER\n");
1950 BIO_printf(bio_err, "read:errno=%d\n", ret);
1952 case SSL_ERROR_ZERO_RETURN:
1953 BIO_printf(bio_c_out, "closed\n");
1957 ERR_print_errors(bio_err);
1962 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1963 # if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1967 || (WAIT_OBJECT_0 ==
1968 WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
1970 #elif defined (OPENSSL_SYS_NETWARE)
1973 else if (FD_ISSET(fileno(stdin), &readfds))
1979 i = raw_read_stdin(cbuf, BUFSIZZ / 2);
1981 /* both loops are skipped when i <= 0 */
1982 for (j = 0; j < i; j++)
1983 if (cbuf[j] == '\n')
1985 for (j = i - 1; j >= 0; j--) {
1986 cbuf[j + lf_num] = cbuf[j];
1987 if (cbuf[j] == '\n') {
1990 cbuf[j + lf_num] = '\r';
1993 assert(lf_num == 0);
1995 i = raw_read_stdin(cbuf, BUFSIZZ);
1997 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q'))) {
1998 BIO_printf(bio_err, "DONE\n");
2003 if ((!c_ign_eof) && (cbuf[0] == 'R')) {
2004 BIO_printf(bio_err, "RENEGOTIATING\n");
2005 SSL_renegotiate(con);
2008 #ifndef OPENSSL_NO_HEARTBEATS
2009 else if ((!c_ign_eof) && (cbuf[0] == 'B')) {
2010 BIO_printf(bio_err, "HEARTBEATING\n");
2018 #ifdef CHARSET_EBCDIC
2019 ebcdic2ascii(cbuf, cbuf, i);
2031 print_stuff(bio_c_out, con, full_log);
2033 SHUTDOWN(SSL_get_fd(con));
2037 print_stuff(bio_c_out, con, 1);
2040 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2041 if (next_proto.data)
2042 OPENSSL_free(next_proto.data);
2049 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2053 sk_X509_pop_free(chain, X509_free);
2057 X509_VERIFY_PARAM_free(vpm);
2058 ssl_excert_free(exc);
2060 sk_OPENSSL_STRING_free(ssl_args);
2062 SSL_CONF_CTX_free(cctx);
2063 #ifndef OPENSSL_NO_JPAKE
2064 if (jpake_secret && psk_key)
2065 OPENSSL_free(psk_key);
2068 OPENSSL_cleanse(cbuf, BUFSIZZ);
2072 OPENSSL_cleanse(sbuf, BUFSIZZ);
2076 OPENSSL_cleanse(mbuf, BUFSIZZ);
2079 if (bio_c_out != NULL) {
2080 BIO_free(bio_c_out);
2083 if (bio_c_msg != NULL) {
2084 BIO_free(bio_c_msg);
2091 static void print_stuff(BIO *bio, SSL *s, int full)
2096 STACK_OF(X509_NAME) *sk2;
2097 const SSL_CIPHER *c;
2100 #ifndef OPENSSL_NO_COMP
2101 const COMP_METHOD *comp, *expansion;
2103 unsigned char *exportedkeymat;
2106 int got_a_chain = 0;
2108 sk = SSL_get_peer_cert_chain(s);
2110 got_a_chain = 1; /* we don't have it for SSL2 (yet) */
2112 BIO_printf(bio, "---\nCertificate chain\n");
2113 for (i = 0; i < sk_X509_num(sk); i++) {
2114 X509_NAME_oneline(X509_get_subject_name(sk_X509_value(sk, i)),
2116 BIO_printf(bio, "%2d s:%s\n", i, buf);
2117 X509_NAME_oneline(X509_get_issuer_name(sk_X509_value(sk, i)),
2119 BIO_printf(bio, " i:%s\n", buf);
2121 PEM_write_bio_X509(bio, sk_X509_value(sk, i));
2125 BIO_printf(bio, "---\n");
2126 peer = SSL_get_peer_certificate(s);
2128 BIO_printf(bio, "Server certificate\n");
2130 /* Redundant if we showed the whole chain */
2131 if (!(c_showcerts && got_a_chain))
2132 PEM_write_bio_X509(bio, peer);
2133 X509_NAME_oneline(X509_get_subject_name(peer), buf, sizeof buf);
2134 BIO_printf(bio, "subject=%s\n", buf);
2135 X509_NAME_oneline(X509_get_issuer_name(peer), buf, sizeof buf);
2136 BIO_printf(bio, "issuer=%s\n", buf);
2138 BIO_printf(bio, "no peer certificate available\n");
2140 sk2 = SSL_get_client_CA_list(s);
2141 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0)) {
2142 BIO_printf(bio, "---\nAcceptable client certificate CA names\n");
2143 for (i = 0; i < sk_X509_NAME_num(sk2); i++) {
2144 xn = sk_X509_NAME_value(sk2, i);
2145 X509_NAME_oneline(xn, buf, sizeof(buf));
2146 BIO_write(bio, buf, strlen(buf));
2147 BIO_write(bio, "\n", 1);
2150 BIO_printf(bio, "---\nNo client certificate CA names sent\n");
2153 ssl_print_sigalgs(bio, s);
2154 ssl_print_tmp_key(bio, s);
2157 "---\nSSL handshake has read %ld bytes and written %ld bytes\n",
2158 BIO_number_read(SSL_get_rbio(s)),
2159 BIO_number_written(SSL_get_wbio(s)));
2161 BIO_printf(bio, (SSL_cache_hit(s) ? "---\nReused, " : "---\nNew, "));
2162 c = SSL_get_current_cipher(s);
2163 BIO_printf(bio, "%s, Cipher is %s\n",
2164 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
2167 pktmp = X509_get_pubkey(peer);
2168 BIO_printf(bio, "Server public key is %d bit\n",
2169 EVP_PKEY_bits(pktmp));
2170 EVP_PKEY_free(pktmp);
2172 BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
2173 SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
2174 #ifndef OPENSSL_NO_COMP
2175 comp = SSL_get_current_compression(s);
2176 expansion = SSL_get_current_expansion(s);
2177 BIO_printf(bio, "Compression: %s\n",
2178 comp ? SSL_COMP_get_name(comp) : "NONE");
2179 BIO_printf(bio, "Expansion: %s\n",
2180 expansion ? SSL_COMP_get_name(expansion) : "NONE");
2185 /* Print out local port of connection: useful for debugging */
2187 struct sockaddr_in ladd;
2188 socklen_t ladd_size = sizeof(ladd);
2189 sock = SSL_get_fd(s);
2190 getsockname(sock, (struct sockaddr *)&ladd, &ladd_size);
2191 BIO_printf(bio_c_out, "LOCAL PORT is %u\n", ntohs(ladd.sin_port));
2195 #if !defined(OPENSSL_NO_TLSEXT)
2196 # if !defined(OPENSSL_NO_NEXTPROTONEG)
2197 if (next_proto.status != -1) {
2198 const unsigned char *proto;
2199 unsigned int proto_len;
2200 SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
2201 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
2202 BIO_write(bio, proto, proto_len);
2203 BIO_write(bio, "\n", 1);
2207 const unsigned char *proto;
2208 unsigned int proto_len;
2209 SSL_get0_alpn_selected(s, &proto, &proto_len);
2210 if (proto_len > 0) {
2211 BIO_printf(bio, "ALPN protocol: ");
2212 BIO_write(bio, proto, proto_len);
2213 BIO_write(bio, "\n", 1);
2215 BIO_printf(bio, "No ALPN negotiated\n");
2219 #ifndef OPENSSL_NO_SRTP
2221 SRTP_PROTECTION_PROFILE *srtp_profile =
2222 SSL_get_selected_srtp_profile(s);
2225 BIO_printf(bio, "SRTP Extension negotiated, profile=%s\n",
2226 srtp_profile->name);
2230 SSL_SESSION_print(bio, SSL_get_session(s));
2231 if (keymatexportlabel != NULL) {
2232 BIO_printf(bio, "Keying material exporter:\n");
2233 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel);
2234 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen);
2235 exportedkeymat = OPENSSL_malloc(keymatexportlen);
2236 if (exportedkeymat != NULL) {
2237 if (!SSL_export_keying_material(s, exportedkeymat,
2240 strlen(keymatexportlabel),
2242 BIO_printf(bio, " Error\n");
2244 BIO_printf(bio, " Keying material: ");
2245 for (i = 0; i < keymatexportlen; i++)
2246 BIO_printf(bio, "%02X", exportedkeymat[i]);
2247 BIO_printf(bio, "\n");
2249 OPENSSL_free(exportedkeymat);
2252 BIO_printf(bio, "---\n");
2255 /* flush, or debugging output gets mixed with http response */
2256 (void)BIO_flush(bio);
2259 #ifndef OPENSSL_NO_TLSEXT
2261 static int ocsp_resp_cb(SSL *s, void *arg)
2263 const unsigned char *p;
2266 len = SSL_get_tlsext_status_ocsp_resp(s, &p);
2267 BIO_puts(arg, "OCSP response: ");
2269 BIO_puts(arg, "no response sent\n");
2272 rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
2274 BIO_puts(arg, "response parse error\n");
2275 BIO_dump_indent(arg, (char *)p, len, 4);
2278 BIO_puts(arg, "\n======================================\n");
2279 OCSP_RESPONSE_print(arg, rsp, 0);
2280 BIO_puts(arg, "======================================\n");
2281 OCSP_RESPONSE_free(rsp);