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Separate client and server permitted signature algorithm support: by default
[thirdparty/openssl.git] / apps / s_client.c
1 /* apps/s_client.c */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
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.
8 *
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).
15 *
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.
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
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)"
40 *
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
51 * SUCH DAMAGE.
52 *
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.]
57 */
58 /* ====================================================================
59 * Copyright (c) 1998-2006 The OpenSSL Project. All rights reserved.
60 *
61 * Redistribution and use in source and binary forms, with or without
62 * modification, are permitted provided that the following conditions
63 * are met:
64 *
65 * 1. Redistributions of source code must retain the above copyright
66 * notice, this list of conditions and the following disclaimer.
67 *
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
71 * distribution.
72 *
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/)"
77 *
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.
82 *
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.
86 *
87 * 6. Redistributions of any form whatsoever must retain the following
88 * acknowledgment:
89 * "This product includes software developed by the OpenSSL Project
90 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
91 *
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 * ====================================================================
105 *
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).
109 *
110 */
111 /* ====================================================================
112 * Copyright 2005 Nokia. All rights reserved.
113 *
114 * The portions of the attached software ("Contribution") is developed by
115 * Nokia Corporation and is licensed pursuant to the OpenSSL open source
116 * license.
117 *
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.
121 *
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.
125 *
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.
130 *
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
135 * OTHERWISE.
136 */
137
138 #include <assert.h>
139 #include <ctype.h>
140 #include <stdio.h>
141 #include <stdlib.h>
142 #include <string.h>
143 #include <openssl/e_os2.h>
144 #ifdef OPENSSL_NO_STDIO
145 #define APPS_WIN16
146 #endif
147
148 /* With IPv6, it looks like Digital has mixed up the proper order of
149 recursive header file inclusion, resulting in the compiler complaining
150 that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which
151 is needed to have fileno() declared correctly... So let's define u_int */
152 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
153 #define __U_INT
154 typedef unsigned int u_int;
155 #endif
156
157 #define USE_SOCKETS
158 #include "apps.h"
159 #include <openssl/x509.h>
160 #include <openssl/ssl.h>
161 #include <openssl/err.h>
162 #include <openssl/pem.h>
163 #include <openssl/rand.h>
164 #include <openssl/ocsp.h>
165 #include <openssl/bn.h>
166 #ifndef OPENSSL_NO_SRP
167 #include <openssl/srp.h>
168 #endif
169 #include "s_apps.h"
170 #include "timeouts.h"
171
172 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
173 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
174 #undef FIONBIO
175 #endif
176
177 #if defined(OPENSSL_SYS_BEOS_R5)
178 #include <fcntl.h>
179 #endif
180
181 #undef PROG
182 #define PROG s_client_main
183
184 /*#define SSL_HOST_NAME "www.netscape.com" */
185 /*#define SSL_HOST_NAME "193.118.187.102" */
186 #define SSL_HOST_NAME "localhost"
187
188 /*#define TEST_CERT "client.pem" */ /* no default cert. */
189
190 #undef BUFSIZZ
191 #define BUFSIZZ 1024*8
192
193 extern int verify_depth;
194 extern int verify_error;
195 extern int verify_return_error;
196
197 #ifdef FIONBIO
198 static int c_nbio=0;
199 #endif
200 static int c_Pause=0;
201 static int c_debug=0;
202 #ifndef OPENSSL_NO_TLSEXT
203 static int c_tlsextdebug=0;
204 static int c_status_req=0;
205 static int c_proof_debug=0;
206 #endif
207 static int c_msg=0;
208 static int c_showcerts=0;
209
210 static char *keymatexportlabel=NULL;
211 static int keymatexportlen=20;
212
213 static void sc_usage(void);
214 static void print_stuff(BIO *berr,SSL *con,int full);
215 #ifndef OPENSSL_NO_TLSEXT
216 static int ocsp_resp_cb(SSL *s, void *arg);
217 static int audit_proof_cb(SSL *s, void *arg);
218 #endif
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
224 #ifndef OPENSSL_NO_PSK
225 /* Default PSK identity and key */
226 static char *psk_identity="Client_identity";
227 /*char *psk_key=NULL; by default PSK is not used */
228
229 static unsigned int psk_client_cb(SSL *ssl, const char *hint, char *identity,
230 unsigned int max_identity_len, unsigned char *psk,
231 unsigned int max_psk_len)
232 {
233 unsigned int psk_len = 0;
234 int ret;
235 BIGNUM *bn=NULL;
236
237 if (c_debug)
238 BIO_printf(bio_c_out, "psk_client_cb\n");
239 if (!hint)
240 {
241 /* no ServerKeyExchange message*/
242 if (c_debug)
243 BIO_printf(bio_c_out,"NULL received PSK identity hint, continuing anyway\n");
244 }
245 else if (c_debug)
246 BIO_printf(bio_c_out, "Received PSK identity hint '%s'\n", hint);
247
248 /* lookup PSK identity and PSK key based on the given identity hint here */
249 ret = BIO_snprintf(identity, max_identity_len, "%s", psk_identity);
250 if (ret < 0 || (unsigned int)ret > max_identity_len)
251 goto out_err;
252 if (c_debug)
253 BIO_printf(bio_c_out, "created identity '%s' len=%d\n", identity, ret);
254 ret=BN_hex2bn(&bn, psk_key);
255 if (!ret)
256 {
257 BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key);
258 if (bn)
259 BN_free(bn);
260 return 0;
261 }
262
263 if ((unsigned int)BN_num_bytes(bn) > max_psk_len)
264 {
265 BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n",
266 max_psk_len, BN_num_bytes(bn));
267 BN_free(bn);
268 return 0;
269 }
270
271 psk_len=BN_bn2bin(bn, psk);
272 BN_free(bn);
273 if (psk_len == 0)
274 goto out_err;
275
276 if (c_debug)
277 BIO_printf(bio_c_out, "created PSK len=%d\n", psk_len);
278
279 return psk_len;
280 out_err:
281 if (c_debug)
282 BIO_printf(bio_err, "Error in PSK client callback\n");
283 return 0;
284 }
285 #endif
286
287 static void sc_usage(void)
288 {
289 BIO_printf(bio_err,"usage: s_client args\n");
290 BIO_printf(bio_err,"\n");
291 BIO_printf(bio_err," -host host - use -connect instead\n");
292 BIO_printf(bio_err," -port port - use -connect instead\n");
293 BIO_printf(bio_err," -connect host:port - who to connect to (default is %s:%s)\n",SSL_HOST_NAME,PORT_STR);
294
295 BIO_printf(bio_err," -verify arg - turn on peer certificate verification\n");
296 BIO_printf(bio_err," -cert arg - certificate file to use, PEM format assumed\n");
297 BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
298 BIO_printf(bio_err," -key arg - Private key file to use, in cert file if\n");
299 BIO_printf(bio_err," not specified but cert file is.\n");
300 BIO_printf(bio_err," -keyform arg - key format (PEM or DER) PEM default\n");
301 BIO_printf(bio_err," -pass arg - private key file pass phrase source\n");
302 BIO_printf(bio_err," -CApath arg - PEM format directory of CA's\n");
303 BIO_printf(bio_err," -CAfile arg - PEM format file of CA's\n");
304 BIO_printf(bio_err," -reconnect - Drop and re-make the connection with the same Session-ID\n");
305 BIO_printf(bio_err," -pause - sleep(1) after each read(2) and write(2) system call\n");
306 BIO_printf(bio_err," -showcerts - show all certificates in the chain\n");
307 BIO_printf(bio_err," -debug - extra output\n");
308 #ifdef WATT32
309 BIO_printf(bio_err," -wdebug - WATT-32 tcp debugging\n");
310 #endif
311 BIO_printf(bio_err," -msg - Show protocol messages\n");
312 BIO_printf(bio_err," -nbio_test - more ssl protocol testing\n");
313 BIO_printf(bio_err," -state - print the 'ssl' states\n");
314 #ifdef FIONBIO
315 BIO_printf(bio_err," -nbio - Run with non-blocking IO\n");
316 #endif
317 BIO_printf(bio_err," -crlf - convert LF from terminal into CRLF\n");
318 BIO_printf(bio_err," -quiet - no s_client output\n");
319 BIO_printf(bio_err," -ign_eof - ignore input eof (default when -quiet)\n");
320 BIO_printf(bio_err," -no_ign_eof - don't ignore input eof\n");
321 #ifndef OPENSSL_NO_PSK
322 BIO_printf(bio_err," -psk_identity arg - PSK identity\n");
323 BIO_printf(bio_err," -psk arg - PSK in hex (without 0x)\n");
324 # ifndef OPENSSL_NO_JPAKE
325 BIO_printf(bio_err," -jpake arg - JPAKE secret to use\n");
326 # endif
327 #endif
328 #ifndef OPENSSL_NO_SRP
329 BIO_printf(bio_err," -srpuser user - SRP authentification for 'user'\n");
330 BIO_printf(bio_err," -srppass arg - password for 'user'\n");
331 BIO_printf(bio_err," -srp_lateuser - SRP username into second ClientHello message\n");
332 BIO_printf(bio_err," -srp_moregroups - Tolerate other than the known g N values.\n");
333 BIO_printf(bio_err," -srp_strength int - minimal mength in bits for N (default %d).\n",SRP_MINIMAL_N);
334 #endif
335 BIO_printf(bio_err," -ssl2 - just use SSLv2\n");
336 BIO_printf(bio_err," -ssl3 - just use SSLv3\n");
337 BIO_printf(bio_err," -tls1_2 - just use TLSv1.2\n");
338 BIO_printf(bio_err," -tls1_1 - just use TLSv1.1\n");
339 BIO_printf(bio_err," -tls1 - just use TLSv1\n");
340 BIO_printf(bio_err," -dtls1 - just use DTLSv1\n");
341 BIO_printf(bio_err," -mtu - set the link layer MTU\n");
342 BIO_printf(bio_err," -no_tls1_2/-no_tls1_1/-no_tls1/-no_ssl3/-no_ssl2 - turn off that protocol\n");
343 BIO_printf(bio_err," -bugs - Switch on all SSL implementation bug workarounds\n");
344 BIO_printf(bio_err," -serverpref - Use server's cipher preferences (only SSLv2)\n");
345 BIO_printf(bio_err," -cipher - preferred cipher to use, use the 'openssl ciphers'\n");
346 BIO_printf(bio_err," command to see what is available\n");
347 BIO_printf(bio_err," -starttls prot - use the STARTTLS command before starting TLS\n");
348 BIO_printf(bio_err," for those protocols that support it, where\n");
349 BIO_printf(bio_err," 'prot' defines which one to assume. Currently,\n");
350 BIO_printf(bio_err," only \"smtp\", \"pop3\", \"imap\", \"ftp\" and \"xmpp\"\n");
351 BIO_printf(bio_err," are supported.\n");
352 #ifndef OPENSSL_NO_ENGINE
353 BIO_printf(bio_err," -engine id - Initialise and use the specified engine\n");
354 #endif
355 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
356 BIO_printf(bio_err," -sess_out arg - file to write SSL session to\n");
357 BIO_printf(bio_err," -sess_in arg - file to read SSL session from\n");
358 #ifndef OPENSSL_NO_TLSEXT
359 BIO_printf(bio_err," -servername host - Set TLS extension servername in ClientHello\n");
360 BIO_printf(bio_err," -tlsextdebug - hex dump of all TLS extensions received\n");
361 BIO_printf(bio_err," -status - request certificate status from server\n");
362 BIO_printf(bio_err," -no_ticket - disable use of RFC4507bis session tickets\n");
363 BIO_printf(bio_err," -proof_debug - request an audit proof and print its hex dump\n");
364 # ifndef OPENSSL_NO_NEXTPROTONEG
365 BIO_printf(bio_err," -nextprotoneg arg - enable NPN extension, considering named protocols supported (comma-separated list)\n");
366 # endif
367 #endif
368 BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
369 BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
370 BIO_printf(bio_err," -keymatexport label - Export keying material using label\n");
371 BIO_printf(bio_err," -keymatexportlen len - Export len bytes of keying material (default 20)\n");
372 }
373
374 #ifndef OPENSSL_NO_TLSEXT
375
376 /* This is a context that we pass to callbacks */
377 typedef struct tlsextctx_st {
378 BIO * biodebug;
379 int ack;
380 } tlsextctx;
381
382
383 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
384 {
385 tlsextctx * p = (tlsextctx *) arg;
386 const char * hn= SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
387 if (SSL_get_servername_type(s) != -1)
388 p->ack = !SSL_session_reused(s) && hn != NULL;
389 else
390 BIO_printf(bio_err,"Can't use SSL_get_servername\n");
391
392 return SSL_TLSEXT_ERR_OK;
393 }
394
395 #ifndef OPENSSL_NO_SRP
396
397 /* This is a context that we pass to all callbacks */
398 typedef struct srp_arg_st
399 {
400 char *srppassin;
401 char *srplogin;
402 int msg; /* copy from c_msg */
403 int debug; /* copy from c_debug */
404 int amp; /* allow more groups */
405 int strength /* minimal size for N */ ;
406 } SRP_ARG;
407
408 #define SRP_NUMBER_ITERATIONS_FOR_PRIME 64
409
410 static int srp_Verify_N_and_g(const BIGNUM *N, const BIGNUM *g)
411 {
412 BN_CTX *bn_ctx = BN_CTX_new();
413 BIGNUM *p = BN_new();
414 BIGNUM *r = BN_new();
415 int ret =
416 g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) &&
417 BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
418 p != NULL && BN_rshift1(p, N) &&
419
420 /* p = (N-1)/2 */
421 BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
422 r != NULL &&
423
424 /* verify g^((N-1)/2) == -1 (mod N) */
425 BN_mod_exp(r, g, p, N, bn_ctx) &&
426 BN_add_word(r, 1) &&
427 BN_cmp(r, N) == 0;
428
429 if(r)
430 BN_free(r);
431 if(p)
432 BN_free(p);
433 if(bn_ctx)
434 BN_CTX_free(bn_ctx);
435 return ret;
436 }
437
438 /* This callback is used here for two purposes:
439 - extended debugging
440 - making some primality tests for unknown groups
441 The callback is only called for a non default group.
442
443 An application does not need the call back at all if
444 only the stanard groups are used. In real life situations,
445 client and server already share well known groups,
446 thus there is no need to verify them.
447 Furthermore, in case that a server actually proposes a group that
448 is not one of those defined in RFC 5054, it is more appropriate
449 to add the group to a static list and then compare since
450 primality tests are rather cpu consuming.
451 */
452
453 static int MS_CALLBACK ssl_srp_verify_param_cb(SSL *s, void *arg)
454 {
455 SRP_ARG *srp_arg = (SRP_ARG *)arg;
456 BIGNUM *N = NULL, *g = NULL;
457 if (!(N = SSL_get_srp_N(s)) || !(g = SSL_get_srp_g(s)))
458 return 0;
459 if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1)
460 {
461 BIO_printf(bio_err, "SRP parameters:\n");
462 BIO_printf(bio_err,"\tN="); BN_print(bio_err,N);
463 BIO_printf(bio_err,"\n\tg="); BN_print(bio_err,g);
464 BIO_printf(bio_err,"\n");
465 }
466
467 if (SRP_check_known_gN_param(g,N))
468 return 1;
469
470 if (srp_arg->amp == 1)
471 {
472 if (srp_arg->debug)
473 BIO_printf(bio_err, "SRP param N and g are not known params, going to check deeper.\n");
474
475 /* The srp_moregroups is a real debugging feature.
476 Implementors should rather add the value to the known ones.
477 The minimal size has already been tested.
478 */
479 if (BN_num_bits(g) <= BN_BITS && srp_Verify_N_and_g(N,g))
480 return 1;
481 }
482 BIO_printf(bio_err, "SRP param N and g rejected.\n");
483 return 0;
484 }
485
486 #define PWD_STRLEN 1024
487
488 static char * MS_CALLBACK ssl_give_srp_client_pwd_cb(SSL *s, void *arg)
489 {
490 SRP_ARG *srp_arg = (SRP_ARG *)arg;
491 char *pass = (char *)OPENSSL_malloc(PWD_STRLEN+1);
492 PW_CB_DATA cb_tmp;
493 int l;
494
495 cb_tmp.password = (char *)srp_arg->srppassin;
496 cb_tmp.prompt_info = "SRP user";
497 if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp))<0)
498 {
499 BIO_printf (bio_err, "Can't read Password\n");
500 OPENSSL_free(pass);
501 return NULL;
502 }
503 *(pass+l)= '\0';
504
505 return pass;
506 }
507
508 #endif
509 char *srtp_profiles = NULL;
510
511 # ifndef OPENSSL_NO_NEXTPROTONEG
512 /* This the context that we pass to next_proto_cb */
513 typedef struct tlsextnextprotoctx_st {
514 unsigned char *data;
515 unsigned short len;
516 int status;
517 } tlsextnextprotoctx;
518
519 static tlsextnextprotoctx next_proto;
520
521 static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen, const unsigned char *in, unsigned int inlen, void *arg)
522 {
523 tlsextnextprotoctx *ctx = arg;
524
525 if (!c_quiet)
526 {
527 /* We can assume that |in| is syntactically valid. */
528 unsigned i;
529 BIO_printf(bio_c_out, "Protocols advertised by server: ");
530 for (i = 0; i < inlen; )
531 {
532 if (i)
533 BIO_write(bio_c_out, ", ", 2);
534 BIO_write(bio_c_out, &in[i + 1], in[i]);
535 i += in[i] + 1;
536 }
537 BIO_write(bio_c_out, "\n", 1);
538 }
539
540 ctx->status = SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len);
541 return SSL_TLSEXT_ERR_OK;
542 }
543 # endif /* ndef OPENSSL_NO_NEXTPROTONEG */
544 #endif
545
546 enum
547 {
548 PROTO_OFF = 0,
549 PROTO_SMTP,
550 PROTO_POP3,
551 PROTO_IMAP,
552 PROTO_FTP,
553 PROTO_XMPP
554 };
555
556 int MAIN(int, char **);
557
558 int MAIN(int argc, char **argv)
559 {
560 unsigned int off=0, clr=0;
561 SSL *con=NULL;
562 #ifndef OPENSSL_NO_KRB5
563 KSSL_CTX *kctx;
564 #endif
565 int s,k,width,state=0;
566 char *cbuf=NULL,*sbuf=NULL,*mbuf=NULL;
567 int cbuf_len,cbuf_off;
568 int sbuf_len,sbuf_off;
569 fd_set readfds,writefds;
570 short port=PORT;
571 int full_log=1;
572 char *host=SSL_HOST_NAME;
573 char *cert_file=NULL,*key_file=NULL;
574 int cert_format = FORMAT_PEM, key_format = FORMAT_PEM;
575 char *passarg = NULL, *pass = NULL;
576 X509 *cert = NULL;
577 EVP_PKEY *key = NULL;
578 char *CApath=NULL,*CAfile=NULL,*cipher=NULL;
579 int reconnect=0,badop=0,verify=SSL_VERIFY_NONE,bugs=0;
580 int crlf=0;
581 int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending;
582 SSL_CTX *ctx=NULL;
583 int ret=1,in_init=1,i,nbio_test=0;
584 int starttls_proto = PROTO_OFF;
585 int prexit = 0;
586 X509_VERIFY_PARAM *vpm = NULL;
587 int badarg = 0;
588 const SSL_METHOD *meth=NULL;
589 int socket_type=SOCK_STREAM;
590 BIO *sbio;
591 char *inrand=NULL;
592 int mbuf_len=0;
593 struct timeval timeout, *timeoutp;
594 #ifndef OPENSSL_NO_ENGINE
595 char *engine_id=NULL;
596 char *ssl_client_engine_id=NULL;
597 ENGINE *ssl_client_engine=NULL;
598 #endif
599 ENGINE *e=NULL;
600 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
601 struct timeval tv;
602 #if defined(OPENSSL_SYS_BEOS_R5)
603 int stdin_set = 0;
604 #endif
605 #endif
606 #ifndef OPENSSL_NO_TLSEXT
607 char *servername = NULL;
608 char *curves=NULL;
609 char *sigalgs=NULL;
610 char *client_sigalgs=NULL;
611 tlsextctx tlsextcbp =
612 {NULL,0};
613 # ifndef OPENSSL_NO_NEXTPROTONEG
614 const char *next_proto_neg_in = NULL;
615 # endif
616 #endif
617 char *sess_in = NULL;
618 char *sess_out = NULL;
619 struct sockaddr peer;
620 int peerlen = sizeof(peer);
621 int enable_timeouts = 0 ;
622 long socket_mtu = 0;
623 #ifndef OPENSSL_NO_JPAKE
624 char *jpake_secret = NULL;
625 #endif
626 #ifndef OPENSSL_NO_SRP
627 char * srppass = NULL;
628 int srp_lateuser = 0;
629 SRP_ARG srp_arg = {NULL,NULL,0,0,0,1024};
630 #endif
631
632 meth=SSLv23_client_method();
633
634 apps_startup();
635 c_Pause=0;
636 c_quiet=0;
637 c_ign_eof=0;
638 c_debug=0;
639 c_msg=0;
640 c_showcerts=0;
641
642 if (bio_err == NULL)
643 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
644
645 if (!load_config(bio_err, NULL))
646 goto end;
647
648 if ( ((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
649 ((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
650 ((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL))
651 {
652 BIO_printf(bio_err,"out of memory\n");
653 goto end;
654 }
655
656 verify_depth=0;
657 verify_error=X509_V_OK;
658 #ifdef FIONBIO
659 c_nbio=0;
660 #endif
661
662 argc--;
663 argv++;
664 while (argc >= 1)
665 {
666 if (strcmp(*argv,"-host") == 0)
667 {
668 if (--argc < 1) goto bad;
669 host= *(++argv);
670 }
671 else if (strcmp(*argv,"-port") == 0)
672 {
673 if (--argc < 1) goto bad;
674 port=atoi(*(++argv));
675 if (port == 0) goto bad;
676 }
677 else if (strcmp(*argv,"-connect") == 0)
678 {
679 if (--argc < 1) goto bad;
680 if (!extract_host_port(*(++argv),&host,NULL,&port))
681 goto bad;
682 }
683 else if (strcmp(*argv,"-verify") == 0)
684 {
685 verify=SSL_VERIFY_PEER;
686 if (--argc < 1) goto bad;
687 verify_depth=atoi(*(++argv));
688 BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
689 }
690 else if (strcmp(*argv,"-cert") == 0)
691 {
692 if (--argc < 1) goto bad;
693 cert_file= *(++argv);
694 }
695 else if (strcmp(*argv,"-sess_out") == 0)
696 {
697 if (--argc < 1) goto bad;
698 sess_out = *(++argv);
699 }
700 else if (strcmp(*argv,"-sess_in") == 0)
701 {
702 if (--argc < 1) goto bad;
703 sess_in = *(++argv);
704 }
705 else if (strcmp(*argv,"-certform") == 0)
706 {
707 if (--argc < 1) goto bad;
708 cert_format = str2fmt(*(++argv));
709 }
710 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
711 {
712 if (badarg)
713 goto bad;
714 continue;
715 }
716 else if (strcmp(*argv,"-verify_return_error") == 0)
717 verify_return_error = 1;
718 else if (strcmp(*argv,"-prexit") == 0)
719 prexit=1;
720 else if (strcmp(*argv,"-crlf") == 0)
721 crlf=1;
722 else if (strcmp(*argv,"-quiet") == 0)
723 {
724 c_quiet=1;
725 c_ign_eof=1;
726 }
727 else if (strcmp(*argv,"-ign_eof") == 0)
728 c_ign_eof=1;
729 else if (strcmp(*argv,"-no_ign_eof") == 0)
730 c_ign_eof=0;
731 else if (strcmp(*argv,"-pause") == 0)
732 c_Pause=1;
733 else if (strcmp(*argv,"-debug") == 0)
734 c_debug=1;
735 #ifndef OPENSSL_NO_TLSEXT
736 else if (strcmp(*argv,"-tlsextdebug") == 0)
737 c_tlsextdebug=1;
738 else if (strcmp(*argv,"-status") == 0)
739 c_status_req=1;
740 else if (strcmp(*argv,"-proof_debug") == 0)
741 c_proof_debug=1;
742 #endif
743 #ifdef WATT32
744 else if (strcmp(*argv,"-wdebug") == 0)
745 dbug_init();
746 #endif
747 else if (strcmp(*argv,"-msg") == 0)
748 c_msg=1;
749 else if (strcmp(*argv,"-msgfile") == 0)
750 {
751 if (--argc < 1) goto bad;
752 bio_c_msg = BIO_new_file(*(++argv), "w");
753 }
754 #ifndef OPENSSL_NO_SSL_TRACE
755 else if (strcmp(*argv,"-trace") == 0)
756 c_msg=2;
757 #endif
758 else if (strcmp(*argv,"-showcerts") == 0)
759 c_showcerts=1;
760 else if (strcmp(*argv,"-nbio_test") == 0)
761 nbio_test=1;
762 else if (strcmp(*argv,"-state") == 0)
763 state=1;
764 #ifndef OPENSSL_NO_PSK
765 else if (strcmp(*argv,"-psk_identity") == 0)
766 {
767 if (--argc < 1) goto bad;
768 psk_identity=*(++argv);
769 }
770 else if (strcmp(*argv,"-psk") == 0)
771 {
772 size_t j;
773
774 if (--argc < 1) goto bad;
775 psk_key=*(++argv);
776 for (j = 0; j < strlen(psk_key); j++)
777 {
778 if (isxdigit((unsigned char)psk_key[j]))
779 continue;
780 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
781 goto bad;
782 }
783 }
784 #endif
785 #ifndef OPENSSL_NO_SRP
786 else if (strcmp(*argv,"-srpuser") == 0)
787 {
788 if (--argc < 1) goto bad;
789 srp_arg.srplogin= *(++argv);
790 meth=TLSv1_client_method();
791 }
792 else if (strcmp(*argv,"-srppass") == 0)
793 {
794 if (--argc < 1) goto bad;
795 srppass= *(++argv);
796 meth=TLSv1_client_method();
797 }
798 else if (strcmp(*argv,"-srp_strength") == 0)
799 {
800 if (--argc < 1) goto bad;
801 srp_arg.strength=atoi(*(++argv));
802 BIO_printf(bio_err,"SRP minimal length for N is %d\n",srp_arg.strength);
803 meth=TLSv1_client_method();
804 }
805 else if (strcmp(*argv,"-srp_lateuser") == 0)
806 {
807 srp_lateuser= 1;
808 meth=TLSv1_client_method();
809 }
810 else if (strcmp(*argv,"-srp_moregroups") == 0)
811 {
812 srp_arg.amp=1;
813 meth=TLSv1_client_method();
814 }
815 #endif
816 #ifndef OPENSSL_NO_SSL2
817 else if (strcmp(*argv,"-ssl2") == 0)
818 meth=SSLv2_client_method();
819 #endif
820 #ifndef OPENSSL_NO_SSL3
821 else if (strcmp(*argv,"-ssl3") == 0)
822 meth=SSLv3_client_method();
823 #endif
824 #ifndef OPENSSL_NO_TLS1
825 else if (strcmp(*argv,"-tls1_2") == 0)
826 meth=TLSv1_2_client_method();
827 else if (strcmp(*argv,"-tls1_1") == 0)
828 meth=TLSv1_1_client_method();
829 else if (strcmp(*argv,"-tls1") == 0)
830 meth=TLSv1_client_method();
831 #endif
832 #ifndef OPENSSL_NO_DTLS1
833 else if (strcmp(*argv,"-dtls1") == 0)
834 {
835 meth=DTLSv1_client_method();
836 socket_type=SOCK_DGRAM;
837 }
838 else if (strcmp(*argv,"-timeout") == 0)
839 enable_timeouts=1;
840 else if (strcmp(*argv,"-mtu") == 0)
841 {
842 if (--argc < 1) goto bad;
843 socket_mtu = atol(*(++argv));
844 }
845 #endif
846 else if (strcmp(*argv,"-bugs") == 0)
847 bugs=1;
848 else if (strcmp(*argv,"-keyform") == 0)
849 {
850 if (--argc < 1) goto bad;
851 key_format = str2fmt(*(++argv));
852 }
853 else if (strcmp(*argv,"-pass") == 0)
854 {
855 if (--argc < 1) goto bad;
856 passarg = *(++argv);
857 }
858 else if (strcmp(*argv,"-key") == 0)
859 {
860 if (--argc < 1) goto bad;
861 key_file= *(++argv);
862 }
863 else if (strcmp(*argv,"-reconnect") == 0)
864 {
865 reconnect=5;
866 }
867 else if (strcmp(*argv,"-CApath") == 0)
868 {
869 if (--argc < 1) goto bad;
870 CApath= *(++argv);
871 }
872 else if (strcmp(*argv,"-CAfile") == 0)
873 {
874 if (--argc < 1) goto bad;
875 CAfile= *(++argv);
876 }
877 else if (strcmp(*argv,"-no_tls1_2") == 0)
878 off|=SSL_OP_NO_TLSv1_2;
879 else if (strcmp(*argv,"-no_tls1_1") == 0)
880 off|=SSL_OP_NO_TLSv1_1;
881 else if (strcmp(*argv,"-no_tls1") == 0)
882 off|=SSL_OP_NO_TLSv1;
883 else if (strcmp(*argv,"-no_ssl3") == 0)
884 off|=SSL_OP_NO_SSLv3;
885 else if (strcmp(*argv,"-no_ssl2") == 0)
886 off|=SSL_OP_NO_SSLv2;
887 else if (strcmp(*argv,"-no_comp") == 0)
888 { off|=SSL_OP_NO_COMPRESSION; }
889 #ifndef OPENSSL_NO_TLSEXT
890 else if (strcmp(*argv,"-no_ticket") == 0)
891 { off|=SSL_OP_NO_TICKET; }
892 # ifndef OPENSSL_NO_NEXTPROTONEG
893 else if (strcmp(*argv,"-nextprotoneg") == 0)
894 {
895 if (--argc < 1) goto bad;
896 next_proto_neg_in = *(++argv);
897 }
898 # endif
899 #endif
900 else if (strcmp(*argv,"-serverpref") == 0)
901 off|=SSL_OP_CIPHER_SERVER_PREFERENCE;
902 else if (strcmp(*argv,"-legacy_renegotiation") == 0)
903 off|=SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION;
904 else if (strcmp(*argv,"-legacy_server_connect") == 0)
905 { off|=SSL_OP_LEGACY_SERVER_CONNECT; }
906 else if (strcmp(*argv,"-no_legacy_server_connect") == 0)
907 { clr|=SSL_OP_LEGACY_SERVER_CONNECT; }
908 else if (strcmp(*argv,"-cipher") == 0)
909 {
910 if (--argc < 1) goto bad;
911 cipher= *(++argv);
912 }
913 #ifdef FIONBIO
914 else if (strcmp(*argv,"-nbio") == 0)
915 { c_nbio=1; }
916 #endif
917 else if (strcmp(*argv,"-starttls") == 0)
918 {
919 if (--argc < 1) goto bad;
920 ++argv;
921 if (strcmp(*argv,"smtp") == 0)
922 starttls_proto = PROTO_SMTP;
923 else if (strcmp(*argv,"pop3") == 0)
924 starttls_proto = PROTO_POP3;
925 else if (strcmp(*argv,"imap") == 0)
926 starttls_proto = PROTO_IMAP;
927 else if (strcmp(*argv,"ftp") == 0)
928 starttls_proto = PROTO_FTP;
929 else if (strcmp(*argv, "xmpp") == 0)
930 starttls_proto = PROTO_XMPP;
931 else
932 goto bad;
933 }
934 #ifndef OPENSSL_NO_ENGINE
935 else if (strcmp(*argv,"-engine") == 0)
936 {
937 if (--argc < 1) goto bad;
938 engine_id = *(++argv);
939 }
940 else if (strcmp(*argv,"-ssl_client_engine") == 0)
941 {
942 if (--argc < 1) goto bad;
943 ssl_client_engine_id = *(++argv);
944 }
945 #endif
946 else if (strcmp(*argv,"-rand") == 0)
947 {
948 if (--argc < 1) goto bad;
949 inrand= *(++argv);
950 }
951 #ifndef OPENSSL_NO_TLSEXT
952 else if (strcmp(*argv,"-servername") == 0)
953 {
954 if (--argc < 1) goto bad;
955 servername= *(++argv);
956 /* meth=TLSv1_client_method(); */
957 }
958 else if (strcmp(*argv,"-curves") == 0)
959 {
960 if (--argc < 1) goto bad;
961 curves= *(++argv);
962 }
963 else if (strcmp(*argv,"-sigalgs") == 0)
964 {
965 if (--argc < 1) goto bad;
966 sigalgs= *(++argv);
967 }
968 else if (strcmp(*argv,"-client_sigalgs") == 0)
969 {
970 if (--argc < 1) goto bad;
971 client_sigalgs= *(++argv);
972 }
973 #endif
974 #ifndef OPENSSL_NO_JPAKE
975 else if (strcmp(*argv,"-jpake") == 0)
976 {
977 if (--argc < 1) goto bad;
978 jpake_secret = *++argv;
979 }
980 #endif
981 else if (strcmp(*argv,"-use_srtp") == 0)
982 {
983 if (--argc < 1) goto bad;
984 srtp_profiles = *(++argv);
985 }
986 else if (strcmp(*argv,"-keymatexport") == 0)
987 {
988 if (--argc < 1) goto bad;
989 keymatexportlabel= *(++argv);
990 }
991 else if (strcmp(*argv,"-keymatexportlen") == 0)
992 {
993 if (--argc < 1) goto bad;
994 keymatexportlen=atoi(*(++argv));
995 if (keymatexportlen == 0) goto bad;
996 }
997 else
998 {
999 BIO_printf(bio_err,"unknown option %s\n",*argv);
1000 badop=1;
1001 break;
1002 }
1003 argc--;
1004 argv++;
1005 }
1006 if (badop)
1007 {
1008 bad:
1009 sc_usage();
1010 goto end;
1011 }
1012
1013 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1014 if (jpake_secret)
1015 {
1016 if (psk_key)
1017 {
1018 BIO_printf(bio_err,
1019 "Can't use JPAKE and PSK together\n");
1020 goto end;
1021 }
1022 psk_identity = "JPAKE";
1023 }
1024
1025 if (cipher)
1026 {
1027 BIO_printf(bio_err, "JPAKE sets cipher to PSK\n");
1028 goto end;
1029 }
1030 cipher = "PSK";
1031 #endif
1032
1033 OpenSSL_add_ssl_algorithms();
1034 SSL_load_error_strings();
1035
1036 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
1037 next_proto.status = -1;
1038 if (next_proto_neg_in)
1039 {
1040 next_proto.data = next_protos_parse(&next_proto.len, next_proto_neg_in);
1041 if (next_proto.data == NULL)
1042 {
1043 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n");
1044 goto end;
1045 }
1046 }
1047 else
1048 next_proto.data = NULL;
1049 #endif
1050
1051 #ifndef OPENSSL_NO_ENGINE
1052 e = setup_engine(bio_err, engine_id, 1);
1053 if (ssl_client_engine_id)
1054 {
1055 ssl_client_engine = ENGINE_by_id(ssl_client_engine_id);
1056 if (!ssl_client_engine)
1057 {
1058 BIO_printf(bio_err,
1059 "Error getting client auth engine\n");
1060 goto end;
1061 }
1062 }
1063
1064 #endif
1065 if (!app_passwd(bio_err, passarg, NULL, &pass, NULL))
1066 {
1067 BIO_printf(bio_err, "Error getting password\n");
1068 goto end;
1069 }
1070
1071 if (key_file == NULL)
1072 key_file = cert_file;
1073
1074
1075 if (key_file)
1076
1077 {
1078
1079 key = load_key(bio_err, key_file, key_format, 0, pass, e,
1080 "client certificate private key file");
1081 if (!key)
1082 {
1083 ERR_print_errors(bio_err);
1084 goto end;
1085 }
1086
1087 }
1088
1089 if (cert_file)
1090
1091 {
1092 cert = load_cert(bio_err,cert_file,cert_format,
1093 NULL, e, "client certificate file");
1094
1095 if (!cert)
1096 {
1097 ERR_print_errors(bio_err);
1098 goto end;
1099 }
1100 }
1101
1102 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1103 && !RAND_status())
1104 {
1105 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
1106 }
1107 if (inrand != NULL)
1108 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
1109 app_RAND_load_files(inrand));
1110
1111 if (bio_c_out == NULL)
1112 {
1113 if (c_quiet && !c_debug && !c_msg)
1114 {
1115 bio_c_out=BIO_new(BIO_s_null());
1116 }
1117 else
1118 {
1119 if (bio_c_out == NULL)
1120 bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE);
1121 }
1122 }
1123
1124 #ifndef OPENSSL_NO_SRP
1125 if(!app_passwd(bio_err, srppass, NULL, &srp_arg.srppassin, NULL))
1126 {
1127 BIO_printf(bio_err, "Error getting password\n");
1128 goto end;
1129 }
1130 #endif
1131
1132 ctx=SSL_CTX_new(meth);
1133 if (ctx == NULL)
1134 {
1135 ERR_print_errors(bio_err);
1136 goto end;
1137 }
1138
1139 if (vpm)
1140 SSL_CTX_set1_param(ctx, vpm);
1141
1142 #ifndef OPENSSL_NO_ENGINE
1143 if (ssl_client_engine)
1144 {
1145 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine))
1146 {
1147 BIO_puts(bio_err, "Error setting client auth engine\n");
1148 ERR_print_errors(bio_err);
1149 ENGINE_free(ssl_client_engine);
1150 goto end;
1151 }
1152 ENGINE_free(ssl_client_engine);
1153 }
1154 #endif
1155
1156 #ifndef OPENSSL_NO_PSK
1157 #ifdef OPENSSL_NO_JPAKE
1158 if (psk_key != NULL)
1159 #else
1160 if (psk_key != NULL || jpake_secret)
1161 #endif
1162 {
1163 if (c_debug)
1164 BIO_printf(bio_c_out, "PSK key given or JPAKE in use, setting client callback\n");
1165 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
1166 }
1167 if (srtp_profiles != NULL)
1168 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1169 #endif
1170 if (bugs)
1171 SSL_CTX_set_options(ctx,SSL_OP_ALL|off);
1172 else
1173 SSL_CTX_set_options(ctx,off);
1174
1175 if (clr)
1176 SSL_CTX_clear_options(ctx, clr);
1177 /* DTLS: partial reads end up discarding unread UDP bytes :-(
1178 * Setting read ahead solves this problem.
1179 */
1180 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1181
1182 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
1183 if (next_proto.data)
1184 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
1185 #endif
1186
1187 if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1188 if (cipher != NULL)
1189 if(!SSL_CTX_set_cipher_list(ctx,cipher)) {
1190 BIO_printf(bio_err,"error setting cipher list\n");
1191 ERR_print_errors(bio_err);
1192 goto end;
1193 }
1194 #if 0
1195 else
1196 SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER"));
1197 #endif
1198
1199 SSL_CTX_set_verify(ctx,verify,verify_callback);
1200 if (!set_cert_key_stuff(ctx,cert,key, NULL))
1201 goto end;
1202
1203 if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
1204 (!SSL_CTX_set_default_verify_paths(ctx)))
1205 {
1206 /* BIO_printf(bio_err,"error setting default verify locations\n"); */
1207 ERR_print_errors(bio_err);
1208 /* goto end; */
1209 }
1210
1211 #ifndef OPENSSL_NO_TLSEXT
1212 if (curves != NULL)
1213 if(!SSL_CTX_set1_curves_list(ctx,curves)) {
1214 BIO_printf(bio_err,"error setting curve list\n");
1215 ERR_print_errors(bio_err);
1216 goto end;
1217 }
1218 if (sigalgs != NULL)
1219 if(!SSL_CTX_set1_sigalgs_list(ctx,sigalgs)) {
1220 BIO_printf(bio_err,"error setting signature algorithms list\n");
1221 ERR_print_errors(bio_err);
1222 goto end;
1223 }
1224 if (client_sigalgs != NULL)
1225 if(!SSL_CTX_set1_client_sigalgs_list(ctx,client_sigalgs)) {
1226 BIO_printf(bio_err,"error setting client signature algorithms list\n");
1227 ERR_print_errors(bio_err);
1228 goto end;
1229 }
1230 if (servername != NULL)
1231 {
1232 tlsextcbp.biodebug = bio_err;
1233 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1234 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1235 }
1236 #ifndef OPENSSL_NO_SRP
1237 if (srp_arg.srplogin)
1238 {
1239 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin))
1240 {
1241 BIO_printf(bio_err,"Unable to set SRP username\n");
1242 goto end;
1243 }
1244 srp_arg.msg = c_msg;
1245 srp_arg.debug = c_debug ;
1246 SSL_CTX_set_srp_cb_arg(ctx,&srp_arg);
1247 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb);
1248 SSL_CTX_set_srp_strength(ctx, srp_arg.strength);
1249 if (c_msg || c_debug || srp_arg.amp == 0)
1250 SSL_CTX_set_srp_verify_param_callback(ctx, ssl_srp_verify_param_cb);
1251 }
1252
1253 #endif
1254 if (c_proof_debug)
1255 SSL_CTX_set_tlsext_authz_server_audit_proof_cb(ctx,
1256 audit_proof_cb);
1257 #endif
1258
1259 con=SSL_new(ctx);
1260 if (sess_in)
1261 {
1262 SSL_SESSION *sess;
1263 BIO *stmp = BIO_new_file(sess_in, "r");
1264 if (!stmp)
1265 {
1266 BIO_printf(bio_err, "Can't open session file %s\n",
1267 sess_in);
1268 ERR_print_errors(bio_err);
1269 goto end;
1270 }
1271 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1272 BIO_free(stmp);
1273 if (!sess)
1274 {
1275 BIO_printf(bio_err, "Can't open session file %s\n",
1276 sess_in);
1277 ERR_print_errors(bio_err);
1278 goto end;
1279 }
1280 SSL_set_session(con, sess);
1281 SSL_SESSION_free(sess);
1282 }
1283 #ifndef OPENSSL_NO_TLSEXT
1284 if (servername != NULL)
1285 {
1286 if (!SSL_set_tlsext_host_name(con,servername))
1287 {
1288 BIO_printf(bio_err,"Unable to set TLS servername extension.\n");
1289 ERR_print_errors(bio_err);
1290 goto end;
1291 }
1292 }
1293 #endif
1294 #ifndef OPENSSL_NO_KRB5
1295 if (con && (kctx = kssl_ctx_new()) != NULL)
1296 {
1297 SSL_set0_kssl_ctx(con, kctx);
1298 kssl_ctx_setstring(kctx, KSSL_SERVER, host);
1299 }
1300 #endif /* OPENSSL_NO_KRB5 */
1301 /* SSL_set_cipher_list(con,"RC4-MD5"); */
1302 #if 0
1303 #ifdef TLSEXT_TYPE_opaque_prf_input
1304 SSL_set_tlsext_opaque_prf_input(con, "Test client", 11);
1305 #endif
1306 #endif
1307
1308 re_start:
1309
1310 if (init_client(&s,host,port,socket_type) == 0)
1311 {
1312 BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error());
1313 SHUTDOWN(s);
1314 goto end;
1315 }
1316 BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s);
1317
1318 #ifdef FIONBIO
1319 if (c_nbio)
1320 {
1321 unsigned long l=1;
1322 BIO_printf(bio_c_out,"turning on non blocking io\n");
1323 if (BIO_socket_ioctl(s,FIONBIO,&l) < 0)
1324 {
1325 ERR_print_errors(bio_err);
1326 goto end;
1327 }
1328 }
1329 #endif
1330 if (c_Pause & 0x01) SSL_set_debug(con, 1);
1331
1332 if ( SSL_version(con) == DTLS1_VERSION)
1333 {
1334
1335 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
1336 if (getsockname(s, &peer, (void *)&peerlen) < 0)
1337 {
1338 BIO_printf(bio_err, "getsockname:errno=%d\n",
1339 get_last_socket_error());
1340 SHUTDOWN(s);
1341 goto end;
1342 }
1343
1344 (void)BIO_ctrl_set_connected(sbio, 1, &peer);
1345
1346 if (enable_timeouts)
1347 {
1348 timeout.tv_sec = 0;
1349 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1350 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1351
1352 timeout.tv_sec = 0;
1353 timeout.tv_usec = DGRAM_SND_TIMEOUT;
1354 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1355 }
1356
1357 if (socket_mtu > 28)
1358 {
1359 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1360 SSL_set_mtu(con, socket_mtu - 28);
1361 }
1362 else
1363 /* want to do MTU discovery */
1364 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1365 }
1366 else
1367 sbio=BIO_new_socket(s,BIO_NOCLOSE);
1368
1369 if (nbio_test)
1370 {
1371 BIO *test;
1372
1373 test=BIO_new(BIO_f_nbio_test());
1374 sbio=BIO_push(test,sbio);
1375 }
1376
1377 if (c_debug)
1378 {
1379 SSL_set_debug(con, 1);
1380 BIO_set_callback(sbio,bio_dump_callback);
1381 BIO_set_callback_arg(sbio,(char *)bio_c_out);
1382 }
1383 if (c_msg)
1384 {
1385 #ifndef OPENSSL_NO_SSL_TRACE
1386 if (c_msg == 2)
1387 SSL_set_msg_callback(con, SSL_trace);
1388 else
1389 #endif
1390 SSL_set_msg_callback(con, msg_cb);
1391 SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out);
1392 }
1393 #ifndef OPENSSL_NO_TLSEXT
1394 if (c_tlsextdebug)
1395 {
1396 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1397 SSL_set_tlsext_debug_arg(con, bio_c_out);
1398 }
1399 if (c_status_req)
1400 {
1401 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
1402 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
1403 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
1404 #if 0
1405 {
1406 STACK_OF(OCSP_RESPID) *ids = sk_OCSP_RESPID_new_null();
1407 OCSP_RESPID *id = OCSP_RESPID_new();
1408 id->value.byKey = ASN1_OCTET_STRING_new();
1409 id->type = V_OCSP_RESPID_KEY;
1410 ASN1_STRING_set(id->value.byKey, "Hello World", -1);
1411 sk_OCSP_RESPID_push(ids, id);
1412 SSL_set_tlsext_status_ids(con, ids);
1413 }
1414 #endif
1415 }
1416 #endif
1417 #ifndef OPENSSL_NO_JPAKE
1418 if (jpake_secret)
1419 jpake_client_auth(bio_c_out, sbio, jpake_secret);
1420 #endif
1421
1422 SSL_set_bio(con,sbio,sbio);
1423 SSL_set_connect_state(con);
1424
1425 /* ok, lets connect */
1426 width=SSL_get_fd(con)+1;
1427
1428 read_tty=1;
1429 write_tty=0;
1430 tty_on=0;
1431 read_ssl=1;
1432 write_ssl=1;
1433
1434 cbuf_len=0;
1435 cbuf_off=0;
1436 sbuf_len=0;
1437 sbuf_off=0;
1438
1439 /* This is an ugly hack that does a lot of assumptions */
1440 /* We do have to handle multi-line responses which may come
1441 in a single packet or not. We therefore have to use
1442 BIO_gets() which does need a buffering BIO. So during
1443 the initial chitchat we do push a buffering BIO into the
1444 chain that is removed again later on to not disturb the
1445 rest of the s_client operation. */
1446 if (starttls_proto == PROTO_SMTP)
1447 {
1448 int foundit=0;
1449 BIO *fbio = BIO_new(BIO_f_buffer());
1450 BIO_push(fbio, sbio);
1451 /* wait for multi-line response to end from SMTP */
1452 do
1453 {
1454 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1455 }
1456 while (mbuf_len>3 && mbuf[3]=='-');
1457 /* STARTTLS command requires EHLO... */
1458 BIO_printf(fbio,"EHLO openssl.client.net\r\n");
1459 (void)BIO_flush(fbio);
1460 /* wait for multi-line response to end EHLO SMTP response */
1461 do
1462 {
1463 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1464 if (strstr(mbuf,"STARTTLS"))
1465 foundit=1;
1466 }
1467 while (mbuf_len>3 && mbuf[3]=='-');
1468 (void)BIO_flush(fbio);
1469 BIO_pop(fbio);
1470 BIO_free(fbio);
1471 if (!foundit)
1472 BIO_printf(bio_err,
1473 "didn't found starttls in server response,"
1474 " try anyway...\n");
1475 BIO_printf(sbio,"STARTTLS\r\n");
1476 BIO_read(sbio,sbuf,BUFSIZZ);
1477 }
1478 else if (starttls_proto == PROTO_POP3)
1479 {
1480 BIO_read(sbio,mbuf,BUFSIZZ);
1481 BIO_printf(sbio,"STLS\r\n");
1482 BIO_read(sbio,sbuf,BUFSIZZ);
1483 }
1484 else if (starttls_proto == PROTO_IMAP)
1485 {
1486 int foundit=0;
1487 BIO *fbio = BIO_new(BIO_f_buffer());
1488 BIO_push(fbio, sbio);
1489 BIO_gets(fbio,mbuf,BUFSIZZ);
1490 /* STARTTLS command requires CAPABILITY... */
1491 BIO_printf(fbio,". CAPABILITY\r\n");
1492 (void)BIO_flush(fbio);
1493 /* wait for multi-line CAPABILITY response */
1494 do
1495 {
1496 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1497 if (strstr(mbuf,"STARTTLS"))
1498 foundit=1;
1499 }
1500 while (mbuf_len>3 && mbuf[0]!='.');
1501 (void)BIO_flush(fbio);
1502 BIO_pop(fbio);
1503 BIO_free(fbio);
1504 if (!foundit)
1505 BIO_printf(bio_err,
1506 "didn't found STARTTLS in server response,"
1507 " try anyway...\n");
1508 BIO_printf(sbio,". STARTTLS\r\n");
1509 BIO_read(sbio,sbuf,BUFSIZZ);
1510 }
1511 else if (starttls_proto == PROTO_FTP)
1512 {
1513 BIO *fbio = BIO_new(BIO_f_buffer());
1514 BIO_push(fbio, sbio);
1515 /* wait for multi-line response to end from FTP */
1516 do
1517 {
1518 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1519 }
1520 while (mbuf_len>3 && mbuf[3]=='-');
1521 (void)BIO_flush(fbio);
1522 BIO_pop(fbio);
1523 BIO_free(fbio);
1524 BIO_printf(sbio,"AUTH TLS\r\n");
1525 BIO_read(sbio,sbuf,BUFSIZZ);
1526 }
1527 if (starttls_proto == PROTO_XMPP)
1528 {
1529 int seen = 0;
1530 BIO_printf(sbio,"<stream:stream "
1531 "xmlns:stream='http://etherx.jabber.org/streams' "
1532 "xmlns='jabber:client' to='%s' version='1.0'>", host);
1533 seen = BIO_read(sbio,mbuf,BUFSIZZ);
1534 mbuf[seen] = 0;
1535 while (!strstr(mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'"))
1536 {
1537 if (strstr(mbuf, "/stream:features>"))
1538 goto shut;
1539 seen = BIO_read(sbio,mbuf,BUFSIZZ);
1540 mbuf[seen] = 0;
1541 }
1542 BIO_printf(sbio, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
1543 seen = BIO_read(sbio,sbuf,BUFSIZZ);
1544 sbuf[seen] = 0;
1545 if (!strstr(sbuf, "<proceed"))
1546 goto shut;
1547 mbuf[0] = 0;
1548 }
1549
1550 for (;;)
1551 {
1552 FD_ZERO(&readfds);
1553 FD_ZERO(&writefds);
1554
1555 if ((SSL_version(con) == DTLS1_VERSION) &&
1556 DTLSv1_get_timeout(con, &timeout))
1557 timeoutp = &timeout;
1558 else
1559 timeoutp = NULL;
1560
1561 if (SSL_in_init(con) && !SSL_total_renegotiations(con))
1562 {
1563 in_init=1;
1564 tty_on=0;
1565 }
1566 else
1567 {
1568 tty_on=1;
1569 if (in_init)
1570 {
1571 in_init=0;
1572 #if 0 /* This test doesn't really work as intended (needs to be fixed) */
1573 #ifndef OPENSSL_NO_TLSEXT
1574 if (servername != NULL && !SSL_session_reused(con))
1575 {
1576 BIO_printf(bio_c_out,"Server did %sacknowledge servername extension.\n",tlsextcbp.ack?"":"not ");
1577 }
1578 #endif
1579 #endif
1580 if (sess_out)
1581 {
1582 BIO *stmp = BIO_new_file(sess_out, "w");
1583 if (stmp)
1584 {
1585 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));
1586 BIO_free(stmp);
1587 }
1588 else
1589 BIO_printf(bio_err, "Error writing session file %s\n", sess_out);
1590 }
1591 print_stuff(bio_c_out,con,full_log);
1592 if (full_log > 0) full_log--;
1593
1594 if (starttls_proto)
1595 {
1596 BIO_printf(bio_err,"%s",mbuf);
1597 /* We don't need to know any more */
1598 starttls_proto = PROTO_OFF;
1599 }
1600
1601 if (reconnect)
1602 {
1603 reconnect--;
1604 BIO_printf(bio_c_out,"drop connection and then reconnect\n");
1605 SSL_shutdown(con);
1606 SSL_set_connect_state(con);
1607 SHUTDOWN(SSL_get_fd(con));
1608 goto re_start;
1609 }
1610 }
1611 }
1612
1613 ssl_pending = read_ssl && SSL_pending(con);
1614
1615 if (!ssl_pending)
1616 {
1617 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined (OPENSSL_SYS_BEOS_R5)
1618 if (tty_on)
1619 {
1620 if (read_tty) openssl_fdset(fileno(stdin),&readfds);
1621 if (write_tty) openssl_fdset(fileno(stdout),&writefds);
1622 }
1623 if (read_ssl)
1624 openssl_fdset(SSL_get_fd(con),&readfds);
1625 if (write_ssl)
1626 openssl_fdset(SSL_get_fd(con),&writefds);
1627 #else
1628 if(!tty_on || !write_tty) {
1629 if (read_ssl)
1630 openssl_fdset(SSL_get_fd(con),&readfds);
1631 if (write_ssl)
1632 openssl_fdset(SSL_get_fd(con),&writefds);
1633 }
1634 #endif
1635 /* printf("mode tty(%d %d%d) ssl(%d%d)\n",
1636 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
1637
1638 /* Note: under VMS with SOCKETSHR the second parameter
1639 * is currently of type (int *) whereas under other
1640 * systems it is (void *) if you don't have a cast it
1641 * will choke the compiler: if you do have a cast then
1642 * you can either go for (int *) or (void *).
1643 */
1644 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1645 /* Under Windows/DOS we make the assumption that we can
1646 * always write to the tty: therefore if we need to
1647 * write to the tty we just fall through. Otherwise
1648 * we timeout the select every second and see if there
1649 * are any keypresses. Note: this is a hack, in a proper
1650 * Windows application we wouldn't do this.
1651 */
1652 i=0;
1653 if(!write_tty) {
1654 if(read_tty) {
1655 tv.tv_sec = 1;
1656 tv.tv_usec = 0;
1657 i=select(width,(void *)&readfds,(void *)&writefds,
1658 NULL,&tv);
1659 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1660 if(!i && (!_kbhit() || !read_tty) ) continue;
1661 #else
1662 if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue;
1663 #endif
1664 } else i=select(width,(void *)&readfds,(void *)&writefds,
1665 NULL,timeoutp);
1666 }
1667 #elif defined(OPENSSL_SYS_NETWARE)
1668 if(!write_tty) {
1669 if(read_tty) {
1670 tv.tv_sec = 1;
1671 tv.tv_usec = 0;
1672 i=select(width,(void *)&readfds,(void *)&writefds,
1673 NULL,&tv);
1674 } else i=select(width,(void *)&readfds,(void *)&writefds,
1675 NULL,timeoutp);
1676 }
1677 #elif defined(OPENSSL_SYS_BEOS_R5)
1678 /* Under BeOS-R5 the situation is similar to DOS */
1679 i=0;
1680 stdin_set = 0;
1681 (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
1682 if(!write_tty) {
1683 if(read_tty) {
1684 tv.tv_sec = 1;
1685 tv.tv_usec = 0;
1686 i=select(width,(void *)&readfds,(void *)&writefds,
1687 NULL,&tv);
1688 if (read(fileno(stdin), sbuf, 0) >= 0)
1689 stdin_set = 1;
1690 if (!i && (stdin_set != 1 || !read_tty))
1691 continue;
1692 } else i=select(width,(void *)&readfds,(void *)&writefds,
1693 NULL,timeoutp);
1694 }
1695 (void)fcntl(fileno(stdin), F_SETFL, 0);
1696 #else
1697 i=select(width,(void *)&readfds,(void *)&writefds,
1698 NULL,timeoutp);
1699 #endif
1700 if ( i < 0)
1701 {
1702 BIO_printf(bio_err,"bad select %d\n",
1703 get_last_socket_error());
1704 goto shut;
1705 /* goto end; */
1706 }
1707 }
1708
1709 if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
1710 {
1711 BIO_printf(bio_err,"TIMEOUT occured\n");
1712 }
1713
1714 if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds))
1715 {
1716 k=SSL_write(con,&(cbuf[cbuf_off]),
1717 (unsigned int)cbuf_len);
1718 switch (SSL_get_error(con,k))
1719 {
1720 case SSL_ERROR_NONE:
1721 cbuf_off+=k;
1722 cbuf_len-=k;
1723 if (k <= 0) goto end;
1724 /* we have done a write(con,NULL,0); */
1725 if (cbuf_len <= 0)
1726 {
1727 read_tty=1;
1728 write_ssl=0;
1729 }
1730 else /* if (cbuf_len > 0) */
1731 {
1732 read_tty=0;
1733 write_ssl=1;
1734 }
1735 break;
1736 case SSL_ERROR_WANT_WRITE:
1737 BIO_printf(bio_c_out,"write W BLOCK\n");
1738 write_ssl=1;
1739 read_tty=0;
1740 break;
1741 case SSL_ERROR_WANT_READ:
1742 BIO_printf(bio_c_out,"write R BLOCK\n");
1743 write_tty=0;
1744 read_ssl=1;
1745 write_ssl=0;
1746 break;
1747 case SSL_ERROR_WANT_X509_LOOKUP:
1748 BIO_printf(bio_c_out,"write X BLOCK\n");
1749 break;
1750 case SSL_ERROR_ZERO_RETURN:
1751 if (cbuf_len != 0)
1752 {
1753 BIO_printf(bio_c_out,"shutdown\n");
1754 ret = 0;
1755 goto shut;
1756 }
1757 else
1758 {
1759 read_tty=1;
1760 write_ssl=0;
1761 break;
1762 }
1763
1764 case SSL_ERROR_SYSCALL:
1765 if ((k != 0) || (cbuf_len != 0))
1766 {
1767 BIO_printf(bio_err,"write:errno=%d\n",
1768 get_last_socket_error());
1769 goto shut;
1770 }
1771 else
1772 {
1773 read_tty=1;
1774 write_ssl=0;
1775 }
1776 break;
1777 case SSL_ERROR_SSL:
1778 ERR_print_errors(bio_err);
1779 goto shut;
1780 }
1781 }
1782 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
1783 /* Assume Windows/DOS/BeOS can always write */
1784 else if (!ssl_pending && write_tty)
1785 #else
1786 else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds))
1787 #endif
1788 {
1789 #ifdef CHARSET_EBCDIC
1790 ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len);
1791 #endif
1792 i=raw_write_stdout(&(sbuf[sbuf_off]),sbuf_len);
1793
1794 if (i <= 0)
1795 {
1796 BIO_printf(bio_c_out,"DONE\n");
1797 ret = 0;
1798 goto shut;
1799 /* goto end; */
1800 }
1801
1802 sbuf_len-=i;;
1803 sbuf_off+=i;
1804 if (sbuf_len <= 0)
1805 {
1806 read_ssl=1;
1807 write_tty=0;
1808 }
1809 }
1810 else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds))
1811 {
1812 #ifdef RENEG
1813 { static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } }
1814 #endif
1815 #if 1
1816 k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ );
1817 #else
1818 /* Demo for pending and peek :-) */
1819 k=SSL_read(con,sbuf,16);
1820 { char zbuf[10240];
1821 printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240));
1822 }
1823 #endif
1824
1825 switch (SSL_get_error(con,k))
1826 {
1827 case SSL_ERROR_NONE:
1828 if (k <= 0)
1829 goto end;
1830 sbuf_off=0;
1831 sbuf_len=k;
1832
1833 read_ssl=0;
1834 write_tty=1;
1835 break;
1836 case SSL_ERROR_WANT_WRITE:
1837 BIO_printf(bio_c_out,"read W BLOCK\n");
1838 write_ssl=1;
1839 read_tty=0;
1840 break;
1841 case SSL_ERROR_WANT_READ:
1842 BIO_printf(bio_c_out,"read R BLOCK\n");
1843 write_tty=0;
1844 read_ssl=1;
1845 if ((read_tty == 0) && (write_ssl == 0))
1846 write_ssl=1;
1847 break;
1848 case SSL_ERROR_WANT_X509_LOOKUP:
1849 BIO_printf(bio_c_out,"read X BLOCK\n");
1850 break;
1851 case SSL_ERROR_SYSCALL:
1852 ret=get_last_socket_error();
1853 BIO_printf(bio_err,"read:errno=%d\n",ret);
1854 goto shut;
1855 case SSL_ERROR_ZERO_RETURN:
1856 BIO_printf(bio_c_out,"closed\n");
1857 ret=0;
1858 goto shut;
1859 case SSL_ERROR_SSL:
1860 ERR_print_errors(bio_err);
1861 goto shut;
1862 /* break; */
1863 }
1864 }
1865
1866 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1867 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1868 else if (_kbhit())
1869 #else
1870 else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
1871 #endif
1872 #elif defined (OPENSSL_SYS_NETWARE)
1873 else if (_kbhit())
1874 #elif defined(OPENSSL_SYS_BEOS_R5)
1875 else if (stdin_set)
1876 #else
1877 else if (FD_ISSET(fileno(stdin),&readfds))
1878 #endif
1879 {
1880 if (crlf)
1881 {
1882 int j, lf_num;
1883
1884 i=raw_read_stdin(cbuf,BUFSIZZ/2);
1885 lf_num = 0;
1886 /* both loops are skipped when i <= 0 */
1887 for (j = 0; j < i; j++)
1888 if (cbuf[j] == '\n')
1889 lf_num++;
1890 for (j = i-1; j >= 0; j--)
1891 {
1892 cbuf[j+lf_num] = cbuf[j];
1893 if (cbuf[j] == '\n')
1894 {
1895 lf_num--;
1896 i++;
1897 cbuf[j+lf_num] = '\r';
1898 }
1899 }
1900 assert(lf_num == 0);
1901 }
1902 else
1903 i=raw_read_stdin(cbuf,BUFSIZZ);
1904
1905 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q')))
1906 {
1907 BIO_printf(bio_err,"DONE\n");
1908 ret=0;
1909 goto shut;
1910 }
1911
1912 if ((!c_ign_eof) && (cbuf[0] == 'R'))
1913 {
1914 BIO_printf(bio_err,"RENEGOTIATING\n");
1915 SSL_renegotiate(con);
1916 cbuf_len=0;
1917 }
1918 #ifndef OPENSSL_NO_HEARTBEATS
1919 else if ((!c_ign_eof) && (cbuf[0] == 'B'))
1920 {
1921 BIO_printf(bio_err,"HEARTBEATING\n");
1922 SSL_heartbeat(con);
1923 cbuf_len=0;
1924 }
1925 #endif
1926 else
1927 {
1928 cbuf_len=i;
1929 cbuf_off=0;
1930 #ifdef CHARSET_EBCDIC
1931 ebcdic2ascii(cbuf, cbuf, i);
1932 #endif
1933 }
1934
1935 write_ssl=1;
1936 read_tty=0;
1937 }
1938 }
1939
1940 ret=0;
1941 shut:
1942 if (in_init)
1943 print_stuff(bio_c_out,con,full_log);
1944 SSL_shutdown(con);
1945 SHUTDOWN(SSL_get_fd(con));
1946 end:
1947 if (con != NULL)
1948 {
1949 if (prexit != 0)
1950 print_stuff(bio_c_out,con,1);
1951 SSL_free(con);
1952 }
1953 if (ctx != NULL) SSL_CTX_free(ctx);
1954 if (cert)
1955 X509_free(cert);
1956 if (key)
1957 EVP_PKEY_free(key);
1958 if (pass)
1959 OPENSSL_free(pass);
1960 if (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); }
1961 if (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); }
1962 if (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); }
1963 if (bio_c_out != NULL)
1964 {
1965 BIO_free(bio_c_out);
1966 bio_c_out=NULL;
1967 }
1968 if (bio_c_msg != NULL)
1969 {
1970 BIO_free(bio_c_msg);
1971 bio_c_msg=NULL;
1972 }
1973 apps_shutdown();
1974 OPENSSL_EXIT(ret);
1975 }
1976
1977
1978 static void print_stuff(BIO *bio, SSL *s, int full)
1979 {
1980 X509 *peer=NULL;
1981 char *p;
1982 static const char *space=" ";
1983 char buf[BUFSIZ];
1984 STACK_OF(X509) *sk;
1985 STACK_OF(X509_NAME) *sk2;
1986 const SSL_CIPHER *c;
1987 X509_NAME *xn;
1988 int j,i;
1989 #ifndef OPENSSL_NO_COMP
1990 const COMP_METHOD *comp, *expansion;
1991 #endif
1992 unsigned char *exportedkeymat;
1993
1994 if (full)
1995 {
1996 int got_a_chain = 0;
1997
1998 sk=SSL_get_peer_cert_chain(s);
1999 if (sk != NULL)
2000 {
2001 got_a_chain = 1; /* we don't have it for SSL2 (yet) */
2002
2003 BIO_printf(bio,"---\nCertificate chain\n");
2004 for (i=0; i<sk_X509_num(sk); i++)
2005 {
2006 X509_NAME_oneline(X509_get_subject_name(
2007 sk_X509_value(sk,i)),buf,sizeof buf);
2008 BIO_printf(bio,"%2d s:%s\n",i,buf);
2009 X509_NAME_oneline(X509_get_issuer_name(
2010 sk_X509_value(sk,i)),buf,sizeof buf);
2011 BIO_printf(bio," i:%s\n",buf);
2012 if (c_showcerts)
2013 PEM_write_bio_X509(bio,sk_X509_value(sk,i));
2014 }
2015 }
2016
2017 BIO_printf(bio,"---\n");
2018 peer=SSL_get_peer_certificate(s);
2019 if (peer != NULL)
2020 {
2021 BIO_printf(bio,"Server certificate\n");
2022 if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */
2023 PEM_write_bio_X509(bio,peer);
2024 X509_NAME_oneline(X509_get_subject_name(peer),
2025 buf,sizeof buf);
2026 BIO_printf(bio,"subject=%s\n",buf);
2027 X509_NAME_oneline(X509_get_issuer_name(peer),
2028 buf,sizeof buf);
2029 BIO_printf(bio,"issuer=%s\n",buf);
2030 }
2031 else
2032 BIO_printf(bio,"no peer certificate available\n");
2033
2034 sk2=SSL_get_client_CA_list(s);
2035 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0))
2036 {
2037 BIO_printf(bio,"---\nAcceptable client certificate CA names\n");
2038 for (i=0; i<sk_X509_NAME_num(sk2); i++)
2039 {
2040 xn=sk_X509_NAME_value(sk2,i);
2041 X509_NAME_oneline(xn,buf,sizeof(buf));
2042 BIO_write(bio,buf,strlen(buf));
2043 BIO_write(bio,"\n",1);
2044 }
2045 }
2046 else
2047 {
2048 BIO_printf(bio,"---\nNo client certificate CA names sent\n");
2049 }
2050 p=SSL_get_shared_ciphers(s,buf,sizeof buf);
2051 if (p != NULL)
2052 {
2053 /* This works only for SSL 2. In later protocol
2054 * versions, the client does not know what other
2055 * ciphers (in addition to the one to be used
2056 * in the current connection) the server supports. */
2057
2058 BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n");
2059 j=i=0;
2060 while (*p)
2061 {
2062 if (*p == ':')
2063 {
2064 BIO_write(bio,space,15-j%25);
2065 i++;
2066 j=0;
2067 BIO_write(bio,((i%3)?" ":"\n"),1);
2068 }
2069 else
2070 {
2071 BIO_write(bio,p,1);
2072 j++;
2073 }
2074 p++;
2075 }
2076 BIO_write(bio,"\n",1);
2077 }
2078
2079 ssl_print_sigalgs(bio, s, 1);
2080
2081 BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n",
2082 BIO_number_read(SSL_get_rbio(s)),
2083 BIO_number_written(SSL_get_wbio(s)));
2084 }
2085 BIO_printf(bio,(SSL_cache_hit(s)?"---\nReused, ":"---\nNew, "));
2086 c=SSL_get_current_cipher(s);
2087 BIO_printf(bio,"%s, Cipher is %s\n",
2088 SSL_CIPHER_get_version(c),
2089 SSL_CIPHER_get_name(c));
2090 if (peer != NULL) {
2091 EVP_PKEY *pktmp;
2092 pktmp = X509_get_pubkey(peer);
2093 BIO_printf(bio,"Server public key is %d bit\n",
2094 EVP_PKEY_bits(pktmp));
2095 EVP_PKEY_free(pktmp);
2096 }
2097 BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
2098 SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
2099 #ifndef OPENSSL_NO_COMP
2100 comp=SSL_get_current_compression(s);
2101 expansion=SSL_get_current_expansion(s);
2102 BIO_printf(bio,"Compression: %s\n",
2103 comp ? SSL_COMP_get_name(comp) : "NONE");
2104 BIO_printf(bio,"Expansion: %s\n",
2105 expansion ? SSL_COMP_get_name(expansion) : "NONE");
2106 #endif
2107
2108 #ifdef SSL_DEBUG
2109 {
2110 /* Print out local port of connection: useful for debugging */
2111 int sock;
2112 struct sockaddr_in ladd;
2113 socklen_t ladd_size = sizeof(ladd);
2114 sock = SSL_get_fd(s);
2115 getsockname(sock, (struct sockaddr *)&ladd, &ladd_size);
2116 BIO_printf(bio_c_out, "LOCAL PORT is %u\n", ntohs(ladd.sin_port));
2117 }
2118 #endif
2119
2120 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2121 if (next_proto.status != -1) {
2122 const unsigned char *proto;
2123 unsigned int proto_len;
2124 SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
2125 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
2126 BIO_write(bio, proto, proto_len);
2127 BIO_write(bio, "\n", 1);
2128 }
2129 #endif
2130
2131 {
2132 SRTP_PROTECTION_PROFILE *srtp_profile=SSL_get_selected_srtp_profile(s);
2133
2134 if(srtp_profile)
2135 BIO_printf(bio,"SRTP Extension negotiated, profile=%s\n",
2136 srtp_profile->name);
2137 }
2138
2139 SSL_SESSION_print(bio,SSL_get_session(s));
2140 if (keymatexportlabel != NULL)
2141 {
2142 BIO_printf(bio, "Keying material exporter:\n");
2143 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel);
2144 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen);
2145 exportedkeymat = OPENSSL_malloc(keymatexportlen);
2146 if (exportedkeymat != NULL)
2147 {
2148 if (!SSL_export_keying_material(s, exportedkeymat,
2149 keymatexportlen,
2150 keymatexportlabel,
2151 strlen(keymatexportlabel),
2152 NULL, 0, 0))
2153 {
2154 BIO_printf(bio, " Error\n");
2155 }
2156 else
2157 {
2158 BIO_printf(bio, " Keying material: ");
2159 for (i=0; i<keymatexportlen; i++)
2160 BIO_printf(bio, "%02X",
2161 exportedkeymat[i]);
2162 BIO_printf(bio, "\n");
2163 }
2164 OPENSSL_free(exportedkeymat);
2165 }
2166 }
2167 BIO_printf(bio,"---\n");
2168 if (peer != NULL)
2169 X509_free(peer);
2170 /* flush, or debugging output gets mixed with http response */
2171 (void)BIO_flush(bio);
2172 }
2173
2174 #ifndef OPENSSL_NO_TLSEXT
2175
2176 static int ocsp_resp_cb(SSL *s, void *arg)
2177 {
2178 const unsigned char *p;
2179 int len;
2180 OCSP_RESPONSE *rsp;
2181 len = SSL_get_tlsext_status_ocsp_resp(s, &p);
2182 BIO_puts(arg, "OCSP response: ");
2183 if (!p)
2184 {
2185 BIO_puts(arg, "no response sent\n");
2186 return 1;
2187 }
2188 rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
2189 if (!rsp)
2190 {
2191 BIO_puts(arg, "response parse error\n");
2192 BIO_dump_indent(arg, (char *)p, len, 4);
2193 return 0;
2194 }
2195 BIO_puts(arg, "\n======================================\n");
2196 OCSP_RESPONSE_print(arg, rsp, 0);
2197 BIO_puts(arg, "======================================\n");
2198 OCSP_RESPONSE_free(rsp);
2199 return 1;
2200 }
2201
2202 static int audit_proof_cb(SSL *s, void *arg)
2203 {
2204 const unsigned char *proof;
2205 size_t proof_len;
2206 size_t i;
2207 SSL_SESSION *sess = SSL_get_session(s);
2208
2209 proof = SSL_SESSION_get_tlsext_authz_server_audit_proof(sess,
2210 &proof_len);
2211 if (proof != NULL)
2212 {
2213 BIO_printf(bio_c_out, "Audit proof: ");
2214 for (i = 0; i < proof_len; ++i)
2215 BIO_printf(bio_c_out, "%02X", proof[i]);
2216 BIO_printf(bio_c_out, "\n");
2217 }
2218 else
2219 {
2220 BIO_printf(bio_c_out, "No audit proof found.\n");
2221 }
2222 return 1;
2223 }
2224 #endif
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