1 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
4 * This package is an SSL implementation written
5 * by Eric Young (eay@cryptsoft.com).
6 * The implementation was written so as to conform with Netscapes SSL.
8 * This library is free for commercial and non-commercial use as long as
9 * the following conditions are aheared to. The following conditions
10 * apply to all code found in this distribution, be it the RC4, RSA,
11 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
12 * included with this distribution is covered by the same copyright terms
13 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 * Copyright remains Eric Young's, and as such any Copyright notices in
16 * the code are not to be removed.
17 * If this package is used in a product, Eric Young should be given attribution
18 * as the author of the parts of the library used.
19 * This can be in the form of a textual message at program startup or
20 * in documentation (online or textual) provided with the package.
22 * Redistribution and use in source and binary forms, with or without
23 * modification, are permitted provided that the following conditions
25 * 1. Redistributions of source code must retain the copyright
26 * notice, this list of conditions and the following disclaimer.
27 * 2. Redistributions in binary form must reproduce the above copyright
28 * notice, this list of conditions and the following disclaimer in the
29 * documentation and/or other materials provided with the distribution.
30 * 3. All advertising materials mentioning features or use of this software
31 * must display the following acknowledgement:
32 * "This product includes cryptographic software written by
33 * Eric Young (eay@cryptsoft.com)"
34 * The word 'cryptographic' can be left out if the rouines from the library
35 * being used are not cryptographic related :-).
36 * 4. If you include any Windows specific code (or a derivative thereof) from
37 * the apps directory (application code) you must include an acknowledgement:
38 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
41 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
43 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
44 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
45 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
46 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
48 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
49 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
52 * The licence and distribution terms for any publically available version or
53 * derivative of this code cannot be changed. i.e. this code cannot simply be
54 * copied and put under another distribution licence
55 * [including the GNU Public Licence.]
57 /* ====================================================================
58 * Copyright (c) 1998-2006 The OpenSSL Project. All rights reserved.
60 * Redistribution and use in source and binary forms, with or without
61 * modification, are permitted provided that the following conditions
64 * 1. Redistributions of source code must retain the above copyright
65 * notice, this list of conditions and the following disclaimer.
67 * 2. Redistributions in binary form must reproduce the above copyright
68 * notice, this list of conditions and the following disclaimer in
69 * the documentation and/or other materials provided with the
72 * 3. All advertising materials mentioning features or use of this
73 * software must display the following acknowledgment:
74 * "This product includes software developed by the OpenSSL Project
75 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
77 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
78 * endorse or promote products derived from this software without
79 * prior written permission. For written permission, please contact
80 * openssl-core@openssl.org.
82 * 5. Products derived from this software may not be called "OpenSSL"
83 * nor may "OpenSSL" appear in their names without prior written
84 * permission of the OpenSSL Project.
86 * 6. Redistributions of any form whatsoever must retain the following
88 * "This product includes software developed by the OpenSSL Project
89 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
91 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
92 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
93 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
94 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
95 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
96 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
97 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
98 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
99 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
100 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
101 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
102 * OF THE POSSIBILITY OF SUCH DAMAGE.
103 * ====================================================================
105 * This product includes cryptographic software written by Eric Young
106 * (eay@cryptsoft.com). This product includes software written by Tim
107 * Hudson (tjh@cryptsoft.com).
110 /* ====================================================================
111 * Copyright 2005 Nokia. All rights reserved.
113 * The portions of the attached software ("Contribution") is developed by
114 * Nokia Corporation and is licensed pursuant to the OpenSSL open source
117 * The Contribution, originally written by Mika Kousa and Pasi Eronen of
118 * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
119 * support (see RFC 4279) to OpenSSL.
121 * No patent licenses or other rights except those expressly stated in
122 * the OpenSSL open source license shall be deemed granted or received
123 * expressly, by implication, estoppel, or otherwise.
125 * No assurances are provided by Nokia that the Contribution does not
126 * infringe the patent or other intellectual property rights of any third
127 * party or that the license provides you with all the necessary rights
128 * to make use of the Contribution.
130 * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
131 * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
132 * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
133 * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
141 #include <openssl/e_os2.h>
144 * With IPv6, it looks like Digital has mixed up the proper order of
145 * recursive header file inclusion, resulting in the compiler complaining
146 * that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which is
147 * needed to have fileno() declared correctly... So let's define u_int
149 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
151 typedef unsigned int u_int;
156 #include <openssl/x509.h>
157 #include <openssl/ssl.h>
158 #include <openssl/err.h>
159 #include <openssl/pem.h>
160 #include <openssl/rand.h>
161 #include <openssl/ocsp.h>
162 #include <openssl/bn.h>
163 #ifndef OPENSSL_NO_SRP
164 # include <openssl/srp.h>
167 #include "timeouts.h"
169 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
170 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
174 #define SSL_HOST_NAME "localhost"
177 #define BUFSIZZ 1024*8
179 extern int verify_depth;
180 extern int verify_error;
181 extern int verify_return_error;
182 extern int verify_quiet;
184 static int c_nbio = 0;
185 static int c_tlsextdebug = 0;
186 static int c_status_req = 0;
187 static int c_Pause = 0;
188 static int c_debug = 0;
189 static int c_msg = 0;
190 static int c_showcerts = 0;
191 static char *keymatexportlabel = NULL;
192 static int keymatexportlen = 20;
193 static BIO *bio_c_out = NULL;
194 static BIO *bio_c_msg = NULL;
195 static int c_quiet = 0;
196 static int c_ign_eof = 0;
197 static int c_brief = 0;
199 static void print_stuff(BIO *berr, SSL *con, int full);
200 static int ocsp_resp_cb(SSL *s, void *arg);
202 #ifndef OPENSSL_NO_PSK
203 /* Default PSK identity and key */
204 static char *psk_identity = "Client_identity";
206 * char *psk_key=NULL; by default PSK is not used
209 static unsigned int psk_client_cb(SSL *ssl, const char *hint, char *identity,
210 unsigned int max_identity_len,
212 unsigned int max_psk_len)
214 unsigned int psk_len = 0;
219 BIO_printf(bio_c_out, "psk_client_cb\n");
221 /* no ServerKeyExchange message */
223 BIO_printf(bio_c_out,
224 "NULL received PSK identity hint, continuing anyway\n");
226 BIO_printf(bio_c_out, "Received PSK identity hint '%s'\n", hint);
229 * lookup PSK identity and PSK key based on the given identity hint here
231 ret = BIO_snprintf(identity, max_identity_len, "%s", psk_identity);
232 if (ret < 0 || (unsigned int)ret > max_identity_len)
235 BIO_printf(bio_c_out, "created identity '%s' len=%d\n", identity,
237 ret = BN_hex2bn(&bn, psk_key);
239 BIO_printf(bio_err, "Could not convert PSK key '%s' to BIGNUM\n",
245 if ((unsigned int)BN_num_bytes(bn) > max_psk_len) {
247 "psk buffer of callback is too small (%d) for key (%d)\n",
248 max_psk_len, BN_num_bytes(bn));
253 psk_len = BN_bn2bin(bn, psk);
259 BIO_printf(bio_c_out, "created PSK len=%d\n", psk_len);
264 BIO_printf(bio_err, "Error in PSK client callback\n");
269 /* This is a context that we pass to callbacks */
270 typedef struct tlsextctx_st {
275 static int ssl_servername_cb(SSL *s, int *ad, void *arg)
277 tlsextctx *p = (tlsextctx *) arg;
278 const char *hn = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
279 if (SSL_get_servername_type(s) != -1)
280 p->ack = !SSL_session_reused(s) && hn != NULL;
282 BIO_printf(bio_err, "Can't use SSL_get_servername\n");
284 return SSL_TLSEXT_ERR_OK;
287 #ifndef OPENSSL_NO_SRP
289 /* This is a context that we pass to all callbacks */
290 typedef struct srp_arg_st {
293 int msg; /* copy from c_msg */
294 int debug; /* copy from c_debug */
295 int amp; /* allow more groups */
296 int strength /* minimal size for N */ ;
299 # define SRP_NUMBER_ITERATIONS_FOR_PRIME 64
301 static int srp_Verify_N_and_g(const BIGNUM *N, const BIGNUM *g)
303 BN_CTX *bn_ctx = BN_CTX_new();
304 BIGNUM *p = BN_new();
305 BIGNUM *r = BN_new();
307 g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) &&
308 BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
309 p != NULL && BN_rshift1(p, N) &&
311 BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
313 /* verify g^((N-1)/2) == -1 (mod N) */
314 BN_mod_exp(r, g, p, N, bn_ctx) &&
315 BN_add_word(r, 1) && BN_cmp(r, N) == 0;
324 * This callback is used here for two purposes:
325 * - extended debugging
326 * - making some primality tests for unknown groups
327 * The callback is only called for a non default group.
329 * An application does not need the call back at all if
330 * only the stanard groups are used. In real life situations,
331 * client and server already share well known groups,
332 * thus there is no need to verify them.
333 * Furthermore, in case that a server actually proposes a group that
334 * is not one of those defined in RFC 5054, it is more appropriate
335 * to add the group to a static list and then compare since
336 * primality tests are rather cpu consuming.
339 static int ssl_srp_verify_param_cb(SSL *s, void *arg)
341 SRP_ARG *srp_arg = (SRP_ARG *)arg;
342 BIGNUM *N = NULL, *g = NULL;
344 if (((N = SSL_get_srp_N(s)) == NULL) || ((g = SSL_get_srp_g(s)) == NULL))
346 if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1) {
347 BIO_printf(bio_err, "SRP parameters:\n");
348 BIO_printf(bio_err, "\tN=");
349 BN_print(bio_err, N);
350 BIO_printf(bio_err, "\n\tg=");
351 BN_print(bio_err, g);
352 BIO_printf(bio_err, "\n");
355 if (SRP_check_known_gN_param(g, N))
358 if (srp_arg->amp == 1) {
361 "SRP param N and g are not known params, going to check deeper.\n");
364 * The srp_moregroups is a real debugging feature. Implementors
365 * should rather add the value to the known ones. The minimal size
366 * has already been tested.
368 if (BN_num_bits(g) <= BN_BITS && srp_Verify_N_and_g(N, g))
371 BIO_printf(bio_err, "SRP param N and g rejected.\n");
375 # define PWD_STRLEN 1024
377 static char *ssl_give_srp_client_pwd_cb(SSL *s, void *arg)
379 SRP_ARG *srp_arg = (SRP_ARG *)arg;
380 char *pass = app_malloc(PWD_STRLEN + 1, "SRP password buffer");
384 cb_tmp.password = (char *)srp_arg->srppassin;
385 cb_tmp.prompt_info = "SRP user";
386 if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp)) < 0) {
387 BIO_printf(bio_err, "Can't read Password\n");
398 static char *srtp_profiles = NULL;
400 #ifndef OPENSSL_NO_NEXTPROTONEG
401 /* This the context that we pass to next_proto_cb */
402 typedef struct tlsextnextprotoctx_st {
406 } tlsextnextprotoctx;
408 static tlsextnextprotoctx next_proto;
410 static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen,
411 const unsigned char *in, unsigned int inlen,
414 tlsextnextprotoctx *ctx = arg;
417 /* We can assume that |in| is syntactically valid. */
419 BIO_printf(bio_c_out, "Protocols advertised by server: ");
420 for (i = 0; i < inlen;) {
422 BIO_write(bio_c_out, ", ", 2);
423 BIO_write(bio_c_out, &in[i + 1], in[i]);
426 BIO_write(bio_c_out, "\n", 1);
430 SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len);
431 return SSL_TLSEXT_ERR_OK;
433 #endif /* ndef OPENSSL_NO_NEXTPROTONEG */
435 static int serverinfo_cli_parse_cb(SSL *s, unsigned int ext_type,
436 const unsigned char *in, size_t inlen,
440 unsigned char ext_buf[4 + 65536];
442 /* Reconstruct the type/len fields prior to extension data */
443 ext_buf[0] = ext_type >> 8;
444 ext_buf[1] = ext_type & 0xFF;
445 ext_buf[2] = inlen >> 8;
446 ext_buf[3] = inlen & 0xFF;
447 memcpy(ext_buf + 4, in, inlen);
449 BIO_snprintf(pem_name, sizeof(pem_name), "SERVERINFO FOR EXTENSION %d",
451 PEM_write_bio(bio_c_out, pem_name, "", ext_buf, 4 + inlen);
455 typedef enum OPTION_choice {
456 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
457 OPT_HOST, OPT_PORT, OPT_CONNECT, OPT_UNIX, OPT_XMPPHOST, OPT_VERIFY,
458 OPT_CERT, OPT_CRL, OPT_CRL_DOWNLOAD, OPT_SESS_OUT, OPT_SESS_IN,
459 OPT_CERTFORM, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET,
460 OPT_BRIEF, OPT_PREXIT, OPT_CRLF, OPT_QUIET, OPT_NBIO,
461 OPT_SSL_CLIENT_ENGINE, OPT_RAND, OPT_IGN_EOF, OPT_NO_IGN_EOF,
462 OPT_PAUSE, OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_WDEBUG,
463 OPT_MSG, OPT_MSGFILE, OPT_ENGINE, OPT_TRACE, OPT_SECURITY_DEBUG,
464 OPT_SECURITY_DEBUG_VERBOSE, OPT_SHOWCERTS, OPT_NBIO_TEST, OPT_STATE,
465 OPT_PSK_IDENTITY, OPT_PSK, OPT_SRPUSER, OPT_SRPPASS, OPT_SRP_STRENGTH,
466 OPT_SRP_LATEUSER, OPT_SRP_MOREGROUPS, OPT_SSL3,
467 OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1,
468 OPT_DTLS1_2, OPT_TIMEOUT, OPT_MTU, OPT_KEYFORM, OPT_PASS,
469 OPT_CERT_CHAIN, OPT_CAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH,
470 OPT_KEY, OPT_RECONNECT, OPT_BUILD_CHAIN, OPT_CAFILE,
471 OPT_CHAINCAFILE, OPT_VERIFYCAFILE, OPT_NEXTPROTONEG, OPT_ALPN,
472 OPT_SERVERINFO, OPT_STARTTLS, OPT_SERVERNAME, OPT_JPAKE,
473 OPT_USE_SRTP, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN, OPT_SMTPHOST,
477 OPT_FALLBACKSCSV, OPT_NOCMDS, OPT_PROXY
480 OPTIONS s_client_options[] = {
481 {"help", OPT_HELP, '-', "Display this summary"},
482 {"host", OPT_HOST, 's', "Use -connect instead"},
483 {"port", OPT_PORT, 'p', "Use -connect instead"},
484 {"connect", OPT_CONNECT, 's',
485 "TCP/IP where to connect (default is " SSL_HOST_NAME ":" PORT_STR ")"},
486 {"proxy", OPT_PROXY, 's',
487 "Connect to via specified proxy to the real server"},
488 {"unix", OPT_UNIX, 's', "Connect over unix domain sockets"},
489 {"verify", OPT_VERIFY, 'p', "Turn on peer certificate verification"},
490 {"cert", OPT_CERT, '<', "Certificate file to use, PEM format assumed"},
491 {"certform", OPT_CERTFORM, 'F',
492 "Certificate format (PEM or DER) PEM default"},
493 {"key", OPT_KEY, '<', "Private key file to use, if not in -cert file"},
494 {"keyform", OPT_KEYFORM, 'F', "Key format (PEM or DER) PEM default"},
495 {"pass", OPT_PASS, 's', "Private key file pass phrase source"},
496 {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
497 {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
498 {"reconnect", OPT_RECONNECT, '-',
499 "Drop and re-make the connection with the same Session-ID"},
500 {"pause", OPT_PAUSE, '-', "Sleep after each read and write system call"},
501 {"showcerts", OPT_SHOWCERTS, '-', "Show all certificates in the chain"},
502 {"debug", OPT_DEBUG, '-', "Extra output"},
503 {"msg", OPT_MSG, '-', "Show protocol messages"},
504 {"msgfile", OPT_MSGFILE, '>'},
505 {"nbio_test", OPT_NBIO_TEST, '-', "More ssl protocol testing"},
506 {"state", OPT_STATE, '-', "Print the ssl states"},
507 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"},
508 {"quiet", OPT_QUIET, '-', "No s_client output"},
509 {"ign_eof", OPT_IGN_EOF, '-', "Ignore input eof (default when -quiet)"},
510 {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Don't ignore input eof"},
511 {"tls1_2", OPT_TLS1_2, '-', "Just use TLSv1.2"},
512 {"tls1_1", OPT_TLS1_1, '-', "Just use TLSv1.1"},
513 {"tls1", OPT_TLS1, '-', "Just use TLSv1"},
514 {"starttls", OPT_STARTTLS, 's',
515 "Use the STARTTLS command before starting TLS"},
516 {"xmpphost", OPT_XMPPHOST, 's',
517 "Host to use with \"-starttls xmpp[-server]\""},
518 {"rand", OPT_RAND, 's',
519 "Load the file(s) into the random number generator"},
520 {"sess_out", OPT_SESS_OUT, '>', "File to write SSL session to"},
521 {"sess_in", OPT_SESS_IN, '<', "File to read SSL session from"},
522 {"use_srtp", OPT_USE_SRTP, 's',
523 "Offer SRTP key management with a colon-separated profile list"},
524 {"keymatexport", OPT_KEYMATEXPORT, 's',
525 "Export keying material using label"},
526 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
527 "Export len bytes of keying material (default 20)"},
528 {"fallback_scsv", OPT_FALLBACKSCSV, '-', "Send the fallback SCSV"},
529 {"name", OPT_SMTPHOST, 's', "Hostname to use for \"-starttls smtp\""},
530 {"CRL", OPT_CRL, '<'},
531 {"crl_download", OPT_CRL_DOWNLOAD, '-'},
532 {"CRLform", OPT_CRLFORM, 'F'},
533 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-'},
534 {"verify_quiet", OPT_VERIFY_QUIET, '-'},
535 {"brief", OPT_BRIEF, '-'},
536 {"prexit", OPT_PREXIT, '-'},
537 {"security_debug", OPT_SECURITY_DEBUG, '-'},
538 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-'},
539 {"cert_chain", OPT_CERT_CHAIN, '<'},
540 {"chainCApath", OPT_CHAINCAPATH, '/'},
541 {"verifyCApath", OPT_VERIFYCAPATH, '/'},
542 {"build_chain", OPT_BUILD_CHAIN, '-'},
543 {"chainCAfile", OPT_CHAINCAFILE, '<'},
544 {"verifyCAfile", OPT_VERIFYCAFILE, '<'},
545 {"nocommands", OPT_NOCMDS, '-', "Do not use interactive command letters"},
546 {"servername", OPT_SERVERNAME, 's',
547 "Set TLS extension servername in ClientHello"},
548 {"tlsextdebug", OPT_TLSEXTDEBUG, '-',
549 "Hex dump of all TLS extensions received"},
550 {"status", OPT_STATUS, '-', "Request certificate status from server"},
551 {"serverinfo", OPT_SERVERINFO, 's',
552 "types Send empty ClientHello extensions (comma-separated numbers)"},
553 {"alpn", OPT_ALPN, 's',
554 "Enable ALPN extension, considering named protocols supported (comma-separated list)"},
558 #ifndef OPENSSL_NO_SSL3
559 {"ssl3", OPT_SSL3, '-', "Just use SSLv3"},
561 #ifndef OPENSSL_NO_DTLS1
562 {"dtls", OPT_DTLS, '-'},
563 {"dtls1", OPT_DTLS1, '-', "Just use DTLSv1"},
564 {"dtls1_2", OPT_DTLS1_2, '-'},
565 {"timeout", OPT_TIMEOUT, '-'},
566 {"mtu", OPT_MTU, 'p', "Set the link layer MTU"},
568 #ifndef OPENSSL_NO_SSL_TRACE
569 {"trace", OPT_TRACE, '-'},
572 {"wdebug", OPT_WDEBUG, '-', "WATT-32 tcp debugging"},
575 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"},
577 #ifndef OPENSSL_NO_PSK
578 {"psk_identity", OPT_PSK_IDENTITY, 's', "PSK identity"},
579 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"},
580 # ifndef OPENSSL_NO_JPAKE
581 {"jpake", OPT_JPAKE, 's', "JPAKE secret to use"},
584 #ifndef OPENSSL_NO_SRP
585 {"srpuser", OPT_SRPUSER, 's', "SRP authentification for 'user'"},
586 {"srppass", OPT_SRPPASS, 's', "Password for 'user'"},
587 {"srp_lateuser", OPT_SRP_LATEUSER, '-',
588 "SRP username into second ClientHello message"},
589 {"srp_moregroups", OPT_SRP_MOREGROUPS, '-',
590 "Tolerate other than the known g N values."},
591 {"srp_strength", OPT_SRP_STRENGTH, 'p', "Minimal length in bits for N"},
593 #ifndef OPENSSL_NO_NEXTPROTONEG
594 {"nextprotoneg", OPT_NEXTPROTONEG, 's',
595 "Enable NPN extension, considering named protocols supported (comma-separated list)"},
597 #ifndef OPENSSL_NO_ENGINE
598 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
599 {"ssl_client_engine", OPT_SSL_CLIENT_ENGINE, 's'},
604 typedef enum PROTOCOL_choice {
616 static OPT_PAIR services[] = {
617 {"smtp", PROTO_SMTP},
618 {"pop3", PROTO_POP3},
619 {"imap", PROTO_IMAP},
621 {"xmpp", PROTO_XMPP},
622 {"xmpp-server", PROTO_XMPP_SERVER},
623 {"telnet", PROTO_TELNET},
627 int s_client_main(int argc, char **argv)
630 EVP_PKEY *key = NULL;
633 STACK_OF(X509) *chain = NULL;
635 X509_VERIFY_PARAM *vpm = NULL;
636 SSL_EXCERT *exc = NULL;
637 SSL_CONF_CTX *cctx = NULL;
638 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
639 STACK_OF(X509_CRL) *crls = NULL;
640 const SSL_METHOD *meth = TLS_client_method();
641 char *CApath = NULL, *CAfile = NULL, *cbuf = NULL, *sbuf = NULL;
642 char *mbuf = NULL, *proxystr = NULL, *connectstr = NULL;
643 char *cert_file = NULL, *key_file = NULL, *chain_file = NULL, *prog;
644 char *chCApath = NULL, *chCAfile = NULL, *host = SSL_HOST_NAME;
646 char *passarg = NULL, *pass = NULL, *vfyCApath = NULL, *vfyCAfile = NULL;
647 char *sess_in = NULL, *sess_out = NULL, *crl_file = NULL, *p;
648 char *jpake_secret = NULL, *xmpphost = NULL;
649 const char *unix_path = NULL;
650 const char *ehlo = "mail.example.com";
651 struct sockaddr peer;
652 struct timeval timeout, *timeoutp;
653 fd_set readfds, writefds;
654 int build_chain = 0, cbuf_len, cbuf_off, cert_format = FORMAT_PEM;
655 int key_format = FORMAT_PEM, crlf = 0, full_log = 1, mbuf_len = 0;
657 int enable_timeouts = 0, sdebug = 0, peerlen = sizeof peer;
658 int reconnect = 0, verify = SSL_VERIFY_NONE, vpmtouched = 0;
659 int ret = 1, in_init = 1, i, nbio_test = 0, s = -1, k, width, state = 0;
660 int sbuf_len, sbuf_off, socket_type = SOCK_STREAM, cmdletters = 1;
661 int starttls_proto = PROTO_OFF, crl_format = FORMAT_PEM, crl_download = 0;
662 int write_tty, read_tty, write_ssl, read_ssl, tty_on, ssl_pending;
663 int fallback_scsv = 0;
664 long socket_mtu = 0, randamt = 0;
665 unsigned short port = PORT;
667 #ifndef OPENSSL_NO_ENGINE
668 ENGINE *ssl_client_engine = NULL;
671 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
674 char *servername = NULL;
675 const char *alpn_in = NULL;
676 tlsextctx tlsextcbp = { NULL, 0 };
677 #define MAX_SI_TYPES 100
678 unsigned short serverinfo_types[MAX_SI_TYPES];
679 int serverinfo_count = 0, start = 0, len;
680 #ifndef OPENSSL_NO_NEXTPROTONEG
681 const char *next_proto_neg_in = NULL;
683 #ifndef OPENSSL_NO_SRP
684 char *srppass = NULL;
685 int srp_lateuser = 0;
686 SRP_ARG srp_arg = { NULL, NULL, 0, 0, 0, 1024 };
689 prog = opt_progname(argv[0]);
698 verify_error = X509_V_OK;
699 vpm = X509_VERIFY_PARAM_new();
700 cbuf = app_malloc(BUFSIZZ, "cbuf");
701 sbuf = app_malloc(BUFSIZZ, "sbuf");
702 mbuf = app_malloc(BUFSIZZ, "mbuf");
703 cctx = SSL_CONF_CTX_new();
705 if (vpm == NULL || cctx == NULL) {
706 BIO_printf(bio_err, "%s: out of memory\n", prog);
710 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT | SSL_CONF_FLAG_CMDLINE);
712 prog = opt_init(argc, argv, s_client_options);
713 while ((o = opt_next()) != OPT_EOF) {
718 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
721 opt_help(s_client_options);
728 port = atoi(opt_arg());
731 connectstr = opt_arg();
734 proxystr = opt_arg();
735 starttls_proto = PROTO_CONNECT;
738 unix_path = opt_arg();
741 xmpphost = opt_arg();
747 verify = SSL_VERIFY_PEER;
748 verify_depth = atoi(opt_arg());
750 BIO_printf(bio_err, "verify depth is %d\n", verify_depth);
753 cert_file = opt_arg();
756 crl_file = opt_arg();
758 case OPT_CRL_DOWNLOAD:
762 sess_out = opt_arg();
768 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &cert_format))
772 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format))
775 case OPT_VERIFY_RET_ERROR:
776 verify_return_error = 1;
778 case OPT_VERIFY_QUIET:
782 c_brief = verify_quiet = c_quiet = 1;
785 if (ssl_args == NULL)
786 ssl_args = sk_OPENSSL_STRING_new_null();
788 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag())
789 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) {
790 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog);
795 if (!opt_verify(o, vpm))
800 if (!args_excert(o, &exc))
810 c_quiet = c_ign_eof = 1;
819 e = setup_engine(opt_arg(), 1);
821 case OPT_SSL_CLIENT_ENGINE:
822 #ifndef OPENSSL_NO_ENGINE
823 ssl_client_engine = ENGINE_by_id(opt_arg());
824 if (ssl_client_engine == NULL) {
825 BIO_printf(bio_err, "Error getting client auth engine\n");
846 case OPT_TLSEXTDEBUG:
861 bio_c_msg = BIO_new_file(opt_arg(), "w");
864 #ifndef OPENSSL_NO_SSL_TRACE
868 case OPT_SECURITY_DEBUG:
871 case OPT_SECURITY_DEBUG_VERBOSE:
883 #ifndef OPENSSL_NO_PSK
884 case OPT_PSK_IDENTITY:
885 psk_identity = opt_arg();
888 for (p = psk_key = opt_arg(); *p; p++) {
891 BIO_printf(bio_err, "Not a hex number '%s'\n", psk_key);
896 case OPT_PSK_IDENTITY:
900 #ifndef OPENSSL_NO_SRP
902 srp_arg.srplogin = opt_arg();
903 meth = TLSv1_client_method();
907 meth = TLSv1_client_method();
909 case OPT_SRP_STRENGTH:
910 srp_arg.strength = atoi(opt_arg());
911 BIO_printf(bio_err, "SRP minimal length for N is %d\n",
913 meth = TLSv1_client_method();
915 case OPT_SRP_LATEUSER:
917 meth = TLSv1_client_method();
919 case OPT_SRP_MOREGROUPS:
921 meth = TLSv1_client_method();
926 case OPT_SRP_STRENGTH:
927 case OPT_SRP_LATEUSER:
928 case OPT_SRP_MOREGROUPS:
932 #ifndef OPENSSL_NO_SSL3
933 meth = SSLv3_client_method();
937 meth = TLSv1_2_client_method();
940 meth = TLSv1_1_client_method();
943 meth = TLSv1_client_method();
945 #ifndef OPENSSL_NO_DTLS1
947 meth = DTLS_client_method();
948 socket_type = SOCK_DGRAM;
951 meth = DTLSv1_client_method();
952 socket_type = SOCK_DGRAM;
955 meth = DTLSv1_2_client_method();
956 socket_type = SOCK_DGRAM;
962 socket_mtu = atol(opt_arg());
972 case OPT_FALLBACKSCSV:
976 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &key_format))
983 chain_file = opt_arg();
986 key_file = opt_arg();
994 case OPT_CHAINCAPATH:
995 chCApath = opt_arg();
997 case OPT_VERIFYCAPATH:
998 vfyCApath = opt_arg();
1000 case OPT_BUILD_CHAIN:
1006 case OPT_CHAINCAFILE:
1007 chCAfile = opt_arg();
1009 case OPT_VERIFYCAFILE:
1010 vfyCAfile = opt_arg();
1012 case OPT_NEXTPROTONEG:
1013 next_proto_neg_in = opt_arg();
1016 alpn_in = opt_arg();
1018 case OPT_SERVERINFO:
1021 for (start = 0, i = 0; i <= len; ++i) {
1022 if (i == len || p[i] == ',') {
1023 serverinfo_types[serverinfo_count] = atoi(p + start);
1024 if (++serverinfo_count == MAX_SI_TYPES)
1031 if (!opt_pair(opt_arg(), services, &starttls_proto))
1033 case OPT_SERVERNAME:
1034 servername = opt_arg();
1037 #ifndef OPENSSL_NO_JPAKE
1038 jpake_secret = opt_arg();
1042 srtp_profiles = opt_arg();
1044 case OPT_KEYMATEXPORT:
1045 keymatexportlabel = opt_arg();
1047 case OPT_KEYMATEXPORTLEN:
1048 keymatexportlen = atoi(opt_arg());
1052 argc = opt_num_rest();
1055 if (!app_load_modules(NULL))
1059 if (connectstr == NULL) {
1060 BIO_printf(bio_err, "%s: -proxy requires use of -connect\n", prog);
1063 if (!extract_host_port(proxystr, &host, NULL, &port))
1066 else if (connectstr != NULL
1067 && !extract_host_port(connectstr, &host, NULL, &port))
1070 if (unix_path && (socket_type != SOCK_STREAM)) {
1072 "Can't use unix sockets and datagrams together\n");
1075 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1078 BIO_printf(bio_err, "Can't use JPAKE and PSK together\n");
1081 psk_identity = "JPAKE";
1085 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1086 next_proto.status = -1;
1087 if (next_proto_neg_in) {
1089 next_protos_parse(&next_proto.len, next_proto_neg_in);
1090 if (next_proto.data == NULL) {
1091 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n");
1095 next_proto.data = NULL;
1098 if (!app_passwd(passarg, NULL, &pass, NULL)) {
1099 BIO_printf(bio_err, "Error getting password\n");
1103 if (key_file == NULL)
1104 key_file = cert_file;
1107 key = load_key(key_file, key_format, 0, pass, e,
1108 "client certificate private key file");
1110 ERR_print_errors(bio_err);
1116 cert = load_cert(cert_file, cert_format,
1117 NULL, e, "client certificate file");
1119 ERR_print_errors(bio_err);
1125 chain = load_certs(chain_file, FORMAT_PEM,
1126 NULL, e, "client certificate chain");
1133 crl = load_crl(crl_file, crl_format);
1135 BIO_puts(bio_err, "Error loading CRL\n");
1136 ERR_print_errors(bio_err);
1139 crls = sk_X509_CRL_new_null();
1140 if (crls == NULL || !sk_X509_CRL_push(crls, crl)) {
1141 BIO_puts(bio_err, "Error adding CRL\n");
1142 ERR_print_errors(bio_err);
1148 if (!load_excert(&exc))
1151 if (!app_RAND_load_file(NULL, 1) && inrand == NULL
1152 && !RAND_status()) {
1154 "warning, not much extra random data, consider using the -rand option\n");
1156 if (inrand != NULL) {
1157 randamt = app_RAND_load_files(inrand);
1158 BIO_printf(bio_err, "%ld semi-random bytes loaded\n", randamt);
1161 if (bio_c_out == NULL) {
1162 if (c_quiet && !c_debug) {
1163 bio_c_out = BIO_new(BIO_s_null());
1164 if (c_msg && !bio_c_msg)
1165 bio_c_msg = dup_bio_out(FORMAT_TEXT);
1166 } else if (bio_c_out == NULL)
1167 bio_c_out = dup_bio_out(FORMAT_TEXT);
1169 #ifndef OPENSSL_NO_SRP
1170 if (!app_passwd(srppass, NULL, &srp_arg.srppassin, NULL)) {
1171 BIO_printf(bio_err, "Error getting password\n");
1176 ctx = SSL_CTX_new(meth);
1178 ERR_print_errors(bio_err);
1183 ssl_ctx_security_debug(ctx, sdebug);
1185 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) {
1186 BIO_printf(bio_err, "Error setting verify params\n");
1187 ERR_print_errors(bio_err);
1191 if (!config_ctx(cctx, ssl_args, ctx, 1, jpake_secret == NULL))
1194 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1195 crls, crl_download)) {
1196 BIO_printf(bio_err, "Error loading store locations\n");
1197 ERR_print_errors(bio_err);
1200 #ifndef OPENSSL_NO_ENGINE
1201 if (ssl_client_engine) {
1202 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine)) {
1203 BIO_puts(bio_err, "Error setting client auth engine\n");
1204 ERR_print_errors(bio_err);
1205 ENGINE_free(ssl_client_engine);
1208 ENGINE_free(ssl_client_engine);
1212 #ifndef OPENSSL_NO_PSK
1213 if (psk_key != NULL || jpake_secret) {
1215 BIO_printf(bio_c_out,
1216 "PSK key given or JPAKE in use, setting client callback\n");
1217 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
1220 #ifndef OPENSSL_NO_SRTP
1221 if (srtp_profiles != NULL) {
1222 /* Returns 0 on success! */
1223 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) {
1224 BIO_printf(bio_err, "Error setting SRTP profile\n");
1225 ERR_print_errors(bio_err);
1232 ssl_ctx_set_excert(ctx, exc);
1234 #if !defined(OPENSSL_NO_NEXTPROTONEG)
1235 if (next_proto.data)
1236 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
1239 unsigned short alpn_len;
1240 unsigned char *alpn = next_protos_parse(&alpn_len, alpn_in);
1243 BIO_printf(bio_err, "Error parsing -alpn argument\n");
1246 /* Returns 0 on success! */
1247 if (SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len) != 0) {
1248 BIO_printf(bio_err, "Error setting ALPN\n");
1254 for (i = 0; i < serverinfo_count; i++) {
1255 if (!SSL_CTX_add_client_custom_ext(ctx,
1256 serverinfo_types[i],
1258 serverinfo_cli_parse_cb, NULL)) {
1260 "Warning: Unable to add custom extension %u, skipping\n",
1261 serverinfo_types[i]);
1266 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback);
1268 SSL_CTX_set_verify(ctx, verify, verify_callback);
1270 if (!ctx_set_verify_locations(ctx, CAfile, CApath)) {
1271 ERR_print_errors(bio_err);
1275 ssl_ctx_add_crls(ctx, crls, crl_download);
1277 if (!set_cert_key_stuff(ctx, cert, key, chain, build_chain))
1280 if (servername != NULL) {
1281 tlsextcbp.biodebug = bio_err;
1282 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1283 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1285 # ifndef OPENSSL_NO_SRP
1286 if (srp_arg.srplogin) {
1287 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin)) {
1288 BIO_printf(bio_err, "Unable to set SRP username\n");
1291 srp_arg.msg = c_msg;
1292 srp_arg.debug = c_debug;
1293 SSL_CTX_set_srp_cb_arg(ctx, &srp_arg);
1294 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb);
1295 SSL_CTX_set_srp_strength(ctx, srp_arg.strength);
1296 if (c_msg || c_debug || srp_arg.amp == 0)
1297 SSL_CTX_set_srp_verify_param_callback(ctx,
1298 ssl_srp_verify_param_cb);
1305 BIO *stmp = BIO_new_file(sess_in, "r");
1307 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1308 ERR_print_errors(bio_err);
1311 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1314 BIO_printf(bio_err, "Can't open session file %s\n", sess_in);
1315 ERR_print_errors(bio_err);
1318 if (!SSL_set_session(con, sess)) {
1319 BIO_printf(bio_err, "Can't set session\n");
1320 ERR_print_errors(bio_err);
1323 SSL_SESSION_free(sess);
1327 SSL_set_mode(con, SSL_MODE_SEND_FALLBACK_SCSV);
1329 if (servername != NULL) {
1330 if (!SSL_set_tlsext_host_name(con, servername)) {
1331 BIO_printf(bio_err, "Unable to set TLS servername extension.\n");
1332 ERR_print_errors(bio_err);
1339 if (init_client(&s, host, port, socket_type) == 0)
1341 if ((!unix_path && (init_client(&s, host, port, socket_type) == 0)) ||
1342 (unix_path && (init_client_unix(&s, unix_path) == 0)))
1345 BIO_printf(bio_err, "connect:errno=%d\n", get_last_socket_error());
1349 BIO_printf(bio_c_out, "CONNECTED(%08X)\n", s);
1353 unsigned long l = 1;
1354 BIO_printf(bio_c_out, "turning on non blocking io\n");
1355 if (BIO_socket_ioctl(s, FIONBIO, &l) < 0) {
1356 ERR_print_errors(bio_err);
1362 SSL_set_debug(con, 1);
1364 if (socket_type == SOCK_DGRAM) {
1366 sbio = BIO_new_dgram(s, BIO_NOCLOSE);
1367 if (getsockname(s, &peer, (void *)&peerlen) < 0) {
1368 BIO_printf(bio_err, "getsockname:errno=%d\n",
1369 get_last_socket_error());
1374 (void)BIO_ctrl_set_connected(sbio, 1, &peer);
1376 if (enable_timeouts) {
1378 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1379 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1382 timeout.tv_usec = DGRAM_SND_TIMEOUT;
1383 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1387 if (socket_mtu < DTLS_get_link_min_mtu(con)) {
1388 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n",
1389 DTLS_get_link_min_mtu(con));
1393 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1394 if (!DTLS_set_link_mtu(con, socket_mtu)) {
1395 BIO_printf(bio_err, "Failed to set MTU\n");
1400 /* want to do MTU discovery */
1401 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1403 sbio = BIO_new_socket(s, BIO_NOCLOSE);
1408 test = BIO_new(BIO_f_nbio_test());
1409 sbio = BIO_push(test, sbio);
1413 SSL_set_debug(con, 1);
1414 BIO_set_callback(sbio, bio_dump_callback);
1415 BIO_set_callback_arg(sbio, (char *)bio_c_out);
1418 #ifndef OPENSSL_NO_SSL_TRACE
1420 SSL_set_msg_callback(con, SSL_trace);
1423 SSL_set_msg_callback(con, msg_cb);
1424 SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out);
1427 if (c_tlsextdebug) {
1428 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1429 SSL_set_tlsext_debug_arg(con, bio_c_out);
1432 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
1433 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
1434 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
1436 #ifndef OPENSSL_NO_JPAKE
1438 jpake_client_auth(bio_c_out, sbio, jpake_secret);
1441 SSL_set_bio(con, sbio, sbio);
1442 SSL_set_connect_state(con);
1444 /* ok, lets connect */
1445 width = SSL_get_fd(con) + 1;
1458 switch ((PROTOCOL_CHOICE) starttls_proto) {
1464 * This is an ugly hack that does a lot of assumptions. We do
1465 * have to handle multi-line responses which may come in a single
1466 * packet or not. We therefore have to use BIO_gets() which does
1467 * need a buffering BIO. So during the initial chitchat we do
1468 * push a buffering BIO into the chain that is removed again
1469 * later on to not disturb the rest of the s_client operation.
1472 BIO *fbio = BIO_new(BIO_f_buffer());
1473 BIO_push(fbio, sbio);
1474 /* wait for multi-line response to end from SMTP */
1476 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1478 while (mbuf_len > 3 && mbuf[3] == '-');
1479 BIO_printf(fbio, "EHLO %s\r\n", ehlo);
1480 (void)BIO_flush(fbio);
1481 /* wait for multi-line response to end EHLO SMTP response */
1483 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1484 if (strstr(mbuf, "STARTTLS"))
1487 while (mbuf_len > 3 && mbuf[3] == '-');
1488 (void)BIO_flush(fbio);
1493 "didn't found starttls in server response,"
1494 " try anyway...\n");
1495 BIO_printf(sbio, "STARTTLS\r\n");
1496 BIO_read(sbio, sbuf, BUFSIZZ);
1501 BIO_read(sbio, mbuf, BUFSIZZ);
1502 BIO_printf(sbio, "STLS\r\n");
1503 mbuf_len = BIO_read(sbio, sbuf, BUFSIZZ);
1505 BIO_printf(bio_err, "BIO_read failed\n");
1513 BIO *fbio = BIO_new(BIO_f_buffer());
1514 BIO_push(fbio, sbio);
1515 BIO_gets(fbio, mbuf, BUFSIZZ);
1516 /* STARTTLS command requires CAPABILITY... */
1517 BIO_printf(fbio, ". CAPABILITY\r\n");
1518 (void)BIO_flush(fbio);
1519 /* wait for multi-line CAPABILITY response */
1521 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1522 if (strstr(mbuf, "STARTTLS"))
1525 while (mbuf_len > 3 && mbuf[0] != '.');
1526 (void)BIO_flush(fbio);
1531 "didn't found STARTTLS in server response,"
1532 " try anyway...\n");
1533 BIO_printf(sbio, ". STARTTLS\r\n");
1534 BIO_read(sbio, sbuf, BUFSIZZ);
1539 BIO *fbio = BIO_new(BIO_f_buffer());
1540 BIO_push(fbio, sbio);
1541 /* wait for multi-line response to end from FTP */
1543 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1545 while (mbuf_len > 3 && mbuf[3] == '-');
1546 (void)BIO_flush(fbio);
1549 BIO_printf(sbio, "AUTH TLS\r\n");
1550 BIO_read(sbio, sbuf, BUFSIZZ);
1554 case PROTO_XMPP_SERVER:
1557 BIO_printf(sbio, "<stream:stream "
1558 "xmlns:stream='http://etherx.jabber.org/streams' "
1559 "xmlns='jabber:%s' to='%s' version='1.0'>",
1560 starttls_proto == PROTO_XMPP ? "client" : "server",
1561 xmpphost ? xmpphost : host);
1562 seen = BIO_read(sbio, mbuf, BUFSIZZ);
1565 (mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")
1567 "<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\""))
1569 seen = BIO_read(sbio, mbuf, BUFSIZZ);
1577 "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
1578 seen = BIO_read(sbio, sbuf, BUFSIZZ);
1580 if (!strstr(sbuf, "<proceed"))
1587 static const unsigned char tls_do[] = {
1588 /* IAC DO START_TLS */
1591 static const unsigned char tls_will[] = {
1592 /* IAC WILL START_TLS */
1595 static const unsigned char tls_follows[] = {
1596 /* IAC SB START_TLS FOLLOWS IAC SE */
1597 255, 250, 46, 1, 255, 240
1601 /* Telnet server should demand we issue START_TLS */
1602 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
1603 if (bytes != 3 || memcmp(mbuf, tls_do, 3) != 0)
1605 /* Agree to issue START_TLS and send the FOLLOWS sub-command */
1606 BIO_write(sbio, tls_will, 3);
1607 BIO_write(sbio, tls_follows, 6);
1608 (void)BIO_flush(sbio);
1609 /* Telnet server also sent the FOLLOWS sub-command */
1610 bytes = BIO_read(sbio, mbuf, BUFSIZZ);
1611 if (bytes != 6 || memcmp(mbuf, tls_follows, 6) != 0)
1618 BIO *fbio = BIO_new(BIO_f_buffer());
1620 BIO_push(fbio, sbio);
1621 BIO_printf(fbio, "CONNECT %s\r\n\r\n", connectstr);
1622 (void)BIO_flush(fbio);
1623 /* wait for multi-line response to end CONNECT response */
1625 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
1626 if (strstr(mbuf, "200") != NULL
1627 && strstr(mbuf, "established") != NULL)
1629 } while (mbuf_len > 3 && foundit == 0);
1630 (void)BIO_flush(fbio);
1634 BIO_printf(bio_err, "%s: HTTP CONNECT failed\n", prog);
1645 if ((SSL_version(con) == DTLS1_VERSION) &&
1646 DTLSv1_get_timeout(con, &timeout))
1647 timeoutp = &timeout;
1651 if (SSL_in_init(con) && !SSL_total_renegotiations(con)) {
1659 if (servername != NULL && !SSL_session_reused(con)) {
1660 BIO_printf(bio_c_out,
1661 "Server did %sacknowledge servername extension.\n",
1662 tlsextcbp.ack ? "" : "not ");
1666 BIO *stmp = BIO_new_file(sess_out, "w");
1668 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));
1671 BIO_printf(bio_err, "Error writing session file %s\n",
1675 BIO_puts(bio_err, "CONNECTION ESTABLISHED\n");
1676 print_ssl_summary(con);
1679 print_stuff(bio_c_out, con, full_log);
1683 if (starttls_proto) {
1684 BIO_write(bio_err, mbuf, mbuf_len);
1685 /* We don't need to know any more */
1687 starttls_proto = PROTO_OFF;
1692 BIO_printf(bio_c_out,
1693 "drop connection and then reconnect\n");
1695 SSL_set_connect_state(con);
1696 SHUTDOWN(SSL_get_fd(con));
1702 ssl_pending = read_ssl && SSL_pending(con);
1705 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE)
1708 openssl_fdset(fileno(stdin), &readfds);
1710 openssl_fdset(fileno(stdout), &writefds);
1713 openssl_fdset(SSL_get_fd(con), &readfds);
1715 openssl_fdset(SSL_get_fd(con), &writefds);
1717 if (!tty_on || !write_tty) {
1719 openssl_fdset(SSL_get_fd(con), &readfds);
1721 openssl_fdset(SSL_get_fd(con), &writefds);
1726 * Note: under VMS with SOCKETSHR the second parameter is
1727 * currently of type (int *) whereas under other systems it is
1728 * (void *) if you don't have a cast it will choke the compiler:
1729 * if you do have a cast then you can either go for (int *) or
1732 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1734 * Under Windows/DOS we make the assumption that we can always
1735 * write to the tty: therefore if we need to write to the tty we
1736 * just fall through. Otherwise we timeout the select every
1737 * second and see if there are any keypresses. Note: this is a
1738 * hack, in a proper Windows application we wouldn't do this.
1745 i = select(width, (void *)&readfds, (void *)&writefds,
1747 # if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1748 if (!i && (!_kbhit() || !read_tty))
1751 if (!i && (!((_kbhit())
1752 || (WAIT_OBJECT_0 ==
1753 WaitForSingleObject(GetStdHandle
1760 i = select(width, (void *)&readfds, (void *)&writefds,
1763 #elif defined(OPENSSL_SYS_NETWARE)
1768 i = select(width, (void *)&readfds, (void *)&writefds,
1771 i = select(width, (void *)&readfds, (void *)&writefds,
1775 i = select(width, (void *)&readfds, (void *)&writefds,
1779 BIO_printf(bio_err, "bad select %d\n",
1780 get_last_socket_error());
1786 if ((SSL_version(con) == DTLS1_VERSION)
1787 && DTLSv1_handle_timeout(con) > 0) {
1788 BIO_printf(bio_err, "TIMEOUT occurred\n");
1791 if (!ssl_pending && FD_ISSET(SSL_get_fd(con), &writefds)) {
1792 k = SSL_write(con, &(cbuf[cbuf_off]), (unsigned int)cbuf_len);
1793 switch (SSL_get_error(con, k)) {
1794 case SSL_ERROR_NONE:
1799 /* we have done a write(con,NULL,0); */
1800 if (cbuf_len <= 0) {
1803 } else { /* if (cbuf_len > 0) */
1809 case SSL_ERROR_WANT_WRITE:
1810 BIO_printf(bio_c_out, "write W BLOCK\n");
1814 case SSL_ERROR_WANT_READ:
1815 BIO_printf(bio_c_out, "write R BLOCK\n");
1820 case SSL_ERROR_WANT_X509_LOOKUP:
1821 BIO_printf(bio_c_out, "write X BLOCK\n");
1823 case SSL_ERROR_ZERO_RETURN:
1824 if (cbuf_len != 0) {
1825 BIO_printf(bio_c_out, "shutdown\n");
1834 case SSL_ERROR_SYSCALL:
1835 if ((k != 0) || (cbuf_len != 0)) {
1836 BIO_printf(bio_err, "write:errno=%d\n",
1837 get_last_socket_error());
1845 ERR_print_errors(bio_err);
1849 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
1850 /* Assume Windows/DOS/BeOS can always write */
1851 else if (!ssl_pending && write_tty)
1853 else if (!ssl_pending && FD_ISSET(fileno(stdout), &writefds))
1856 #ifdef CHARSET_EBCDIC
1857 ascii2ebcdic(&(sbuf[sbuf_off]), &(sbuf[sbuf_off]), sbuf_len);
1859 i = raw_write_stdout(&(sbuf[sbuf_off]), sbuf_len);
1862 BIO_printf(bio_c_out, "DONE\n");
1870 if (sbuf_len <= 0) {
1874 } else if (ssl_pending || FD_ISSET(SSL_get_fd(con), &readfds)) {
1879 SSL_renegotiate(con);
1884 k = SSL_read(con, sbuf, 1024 /* BUFSIZZ */ );
1886 switch (SSL_get_error(con, k)) {
1887 case SSL_ERROR_NONE:
1896 case SSL_ERROR_WANT_WRITE:
1897 BIO_printf(bio_c_out, "read W BLOCK\n");
1901 case SSL_ERROR_WANT_READ:
1902 BIO_printf(bio_c_out, "read R BLOCK\n");
1905 if ((read_tty == 0) && (write_ssl == 0))
1908 case SSL_ERROR_WANT_X509_LOOKUP:
1909 BIO_printf(bio_c_out, "read X BLOCK\n");
1911 case SSL_ERROR_SYSCALL:
1912 ret = get_last_socket_error();
1914 BIO_puts(bio_err, "CONNECTION CLOSED BY SERVER\n");
1916 BIO_printf(bio_err, "read:errno=%d\n", ret);
1918 case SSL_ERROR_ZERO_RETURN:
1919 BIO_printf(bio_c_out, "closed\n");
1923 ERR_print_errors(bio_err);
1928 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1929 # if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1933 || (WAIT_OBJECT_0 ==
1934 WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
1936 #elif defined (OPENSSL_SYS_NETWARE)
1939 else if (FD_ISSET(fileno(stdin), &readfds))
1945 i = raw_read_stdin(cbuf, BUFSIZZ / 2);
1947 /* both loops are skipped when i <= 0 */
1948 for (j = 0; j < i; j++)
1949 if (cbuf[j] == '\n')
1951 for (j = i - 1; j >= 0; j--) {
1952 cbuf[j + lf_num] = cbuf[j];
1953 if (cbuf[j] == '\n') {
1956 cbuf[j + lf_num] = '\r';
1959 assert(lf_num == 0);
1961 i = raw_read_stdin(cbuf, BUFSIZZ);
1963 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q' && cmdletters))) {
1964 BIO_printf(bio_err, "DONE\n");
1969 if ((!c_ign_eof) && (cbuf[0] == 'R' && cmdletters)) {
1970 BIO_printf(bio_err, "RENEGOTIATING\n");
1971 SSL_renegotiate(con);
1974 #ifndef OPENSSL_NO_HEARTBEATS
1975 else if ((!c_ign_eof) && (cbuf[0] == 'B' && cmdletters)) {
1976 BIO_printf(bio_err, "HEARTBEATING\n");
1984 #ifdef CHARSET_EBCDIC
1985 ebcdic2ascii(cbuf, cbuf, i);
1997 print_stuff(bio_c_out, con, full_log);
1999 SHUTDOWN(SSL_get_fd(con));
2003 print_stuff(bio_c_out, con, 1);
2006 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2007 OPENSSL_free(next_proto.data);
2011 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2013 sk_X509_pop_free(chain, X509_free);
2015 X509_VERIFY_PARAM_free(vpm);
2016 ssl_excert_free(exc);
2017 sk_OPENSSL_STRING_free(ssl_args);
2018 SSL_CONF_CTX_free(cctx);
2019 OPENSSL_clear_free(cbuf, BUFSIZZ);
2020 OPENSSL_clear_free(sbuf, BUFSIZZ);
2021 OPENSSL_clear_free(mbuf, BUFSIZZ);
2022 BIO_free(bio_c_out);
2024 BIO_free(bio_c_msg);
2029 static void print_stuff(BIO *bio, SSL *s, int full)
2034 STACK_OF(X509_NAME) *sk2;
2035 const SSL_CIPHER *c;
2038 #ifndef OPENSSL_NO_COMP
2039 const COMP_METHOD *comp, *expansion;
2041 unsigned char *exportedkeymat;
2044 int got_a_chain = 0;
2046 sk = SSL_get_peer_cert_chain(s);
2050 BIO_printf(bio, "---\nCertificate chain\n");
2051 for (i = 0; i < sk_X509_num(sk); i++) {
2052 X509_NAME_oneline(X509_get_subject_name(sk_X509_value(sk, i)),
2054 BIO_printf(bio, "%2d s:%s\n", i, buf);
2055 X509_NAME_oneline(X509_get_issuer_name(sk_X509_value(sk, i)),
2057 BIO_printf(bio, " i:%s\n", buf);
2059 PEM_write_bio_X509(bio, sk_X509_value(sk, i));
2063 BIO_printf(bio, "---\n");
2064 peer = SSL_get_peer_certificate(s);
2066 BIO_printf(bio, "Server certificate\n");
2068 /* Redundant if we showed the whole chain */
2069 if (!(c_showcerts && got_a_chain))
2070 PEM_write_bio_X509(bio, peer);
2071 X509_NAME_oneline(X509_get_subject_name(peer), buf, sizeof buf);
2072 BIO_printf(bio, "subject=%s\n", buf);
2073 X509_NAME_oneline(X509_get_issuer_name(peer), buf, sizeof buf);
2074 BIO_printf(bio, "issuer=%s\n", buf);
2076 BIO_printf(bio, "no peer certificate available\n");
2078 sk2 = SSL_get_client_CA_list(s);
2079 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0)) {
2080 BIO_printf(bio, "---\nAcceptable client certificate CA names\n");
2081 for (i = 0; i < sk_X509_NAME_num(sk2); i++) {
2082 xn = sk_X509_NAME_value(sk2, i);
2083 X509_NAME_oneline(xn, buf, sizeof(buf));
2084 BIO_write(bio, buf, strlen(buf));
2085 BIO_write(bio, "\n", 1);
2088 BIO_printf(bio, "---\nNo client certificate CA names sent\n");
2091 ssl_print_sigalgs(bio, s);
2092 ssl_print_tmp_key(bio, s);
2095 "---\nSSL handshake has read %"PRIu64" bytes and written %"PRIu64" bytes\n",
2096 BIO_number_read(SSL_get_rbio(s)),
2097 BIO_number_written(SSL_get_wbio(s)));
2099 BIO_printf(bio, (SSL_cache_hit(s) ? "---\nReused, " : "---\nNew, "));
2100 c = SSL_get_current_cipher(s);
2101 BIO_printf(bio, "%s, Cipher is %s\n",
2102 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c));
2105 pktmp = X509_get_pubkey(peer);
2106 BIO_printf(bio, "Server public key is %d bit\n",
2107 EVP_PKEY_bits(pktmp));
2108 EVP_PKEY_free(pktmp);
2110 BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
2111 SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
2112 #ifndef OPENSSL_NO_COMP
2113 comp = SSL_get_current_compression(s);
2114 expansion = SSL_get_current_expansion(s);
2115 BIO_printf(bio, "Compression: %s\n",
2116 comp ? SSL_COMP_get_name(comp) : "NONE");
2117 BIO_printf(bio, "Expansion: %s\n",
2118 expansion ? SSL_COMP_get_name(expansion) : "NONE");
2123 /* Print out local port of connection: useful for debugging */
2125 struct sockaddr_in ladd;
2126 socklen_t ladd_size = sizeof(ladd);
2127 sock = SSL_get_fd(s);
2128 getsockname(sock, (struct sockaddr *)&ladd, &ladd_size);
2129 BIO_printf(bio_c_out, "LOCAL PORT is %u\n", ntohs(ladd.sin_port));
2133 #if !defined(OPENSSL_NO_NEXTPROTONEG)
2134 if (next_proto.status != -1) {
2135 const unsigned char *proto;
2136 unsigned int proto_len;
2137 SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
2138 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
2139 BIO_write(bio, proto, proto_len);
2140 BIO_write(bio, "\n", 1);
2144 const unsigned char *proto;
2145 unsigned int proto_len;
2146 SSL_get0_alpn_selected(s, &proto, &proto_len);
2147 if (proto_len > 0) {
2148 BIO_printf(bio, "ALPN protocol: ");
2149 BIO_write(bio, proto, proto_len);
2150 BIO_write(bio, "\n", 1);
2152 BIO_printf(bio, "No ALPN negotiated\n");
2155 #ifndef OPENSSL_NO_SRTP
2157 SRTP_PROTECTION_PROFILE *srtp_profile =
2158 SSL_get_selected_srtp_profile(s);
2161 BIO_printf(bio, "SRTP Extension negotiated, profile=%s\n",
2162 srtp_profile->name);
2166 SSL_SESSION_print(bio, SSL_get_session(s));
2167 if (keymatexportlabel != NULL) {
2168 BIO_printf(bio, "Keying material exporter:\n");
2169 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel);
2170 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen);
2171 exportedkeymat = app_malloc(keymatexportlen, "export key");
2172 if (!SSL_export_keying_material(s, exportedkeymat,
2175 strlen(keymatexportlabel),
2177 BIO_printf(bio, " Error\n");
2179 BIO_printf(bio, " Keying material: ");
2180 for (i = 0; i < keymatexportlen; i++)
2181 BIO_printf(bio, "%02X", exportedkeymat[i]);
2182 BIO_printf(bio, "\n");
2184 OPENSSL_free(exportedkeymat);
2186 BIO_printf(bio, "---\n");
2188 /* flush, or debugging output gets mixed with http response */
2189 (void)BIO_flush(bio);
2192 static int ocsp_resp_cb(SSL *s, void *arg)
2194 const unsigned char *p;
2197 len = SSL_get_tlsext_status_ocsp_resp(s, &p);
2198 BIO_puts(arg, "OCSP response: ");
2200 BIO_puts(arg, "no response sent\n");
2203 rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
2205 BIO_puts(arg, "response parse error\n");
2206 BIO_dump_indent(arg, (char *)p, len, 4);
2209 BIO_puts(arg, "\n======================================\n");
2210 OCSP_RESPONSE_print(arg, rsp, 0);
2211 BIO_puts(arg, "======================================\n");
2212 OCSP_RESPONSE_free(rsp);