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[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 extern int verify_quiet;
197
198 #ifdef FIONBIO
199 static int c_nbio=0;
200 #endif
201 static int c_Pause=0;
202 static int c_debug=0;
203 #ifndef OPENSSL_NO_TLSEXT
204 static int c_tlsextdebug=0;
205 static int c_status_req=0;
206 static int c_proof_debug=0;
207 #endif
208 static int c_msg=0;
209 static int c_showcerts=0;
210
211 static char *keymatexportlabel=NULL;
212 static int keymatexportlen=20;
213
214 static void sc_usage(void);
215 static void print_stuff(BIO *berr,SSL *con,int full);
216 #ifndef OPENSSL_NO_TLSEXT
217 static int ocsp_resp_cb(SSL *s, void *arg);
218 static int audit_proof_cb(SSL *s, void *arg);
219 #endif
220 static BIO *bio_c_out=NULL;
221 static BIO *bio_c_msg=NULL;
222 static int c_quiet=0;
223 static int c_ign_eof=0;
224 static int c_brief=0;
225
226 #ifndef OPENSSL_NO_PSK
227 /* Default PSK identity and key */
228 static char *psk_identity="Client_identity";
229 /*char *psk_key=NULL; by default PSK is not used */
230
231 static unsigned int psk_client_cb(SSL *ssl, const char *hint, char *identity,
232 unsigned int max_identity_len, unsigned char *psk,
233 unsigned int max_psk_len)
234 {
235 unsigned int psk_len = 0;
236 int ret;
237 BIGNUM *bn=NULL;
238
239 if (c_debug)
240 BIO_printf(bio_c_out, "psk_client_cb\n");
241 if (!hint)
242 {
243 /* no ServerKeyExchange message*/
244 if (c_debug)
245 BIO_printf(bio_c_out,"NULL received PSK identity hint, continuing anyway\n");
246 }
247 else if (c_debug)
248 BIO_printf(bio_c_out, "Received PSK identity hint '%s'\n", hint);
249
250 /* lookup PSK identity and PSK key based on the given identity hint here */
251 ret = BIO_snprintf(identity, max_identity_len, "%s", psk_identity);
252 if (ret < 0 || (unsigned int)ret > max_identity_len)
253 goto out_err;
254 if (c_debug)
255 BIO_printf(bio_c_out, "created identity '%s' len=%d\n", identity, ret);
256 ret=BN_hex2bn(&bn, psk_key);
257 if (!ret)
258 {
259 BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key);
260 if (bn)
261 BN_free(bn);
262 return 0;
263 }
264
265 if ((unsigned int)BN_num_bytes(bn) > max_psk_len)
266 {
267 BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n",
268 max_psk_len, BN_num_bytes(bn));
269 BN_free(bn);
270 return 0;
271 }
272
273 psk_len=BN_bn2bin(bn, psk);
274 BN_free(bn);
275 if (psk_len == 0)
276 goto out_err;
277
278 if (c_debug)
279 BIO_printf(bio_c_out, "created PSK len=%d\n", psk_len);
280
281 return psk_len;
282 out_err:
283 if (c_debug)
284 BIO_printf(bio_err, "Error in PSK client callback\n");
285 return 0;
286 }
287 #endif
288
289 static void sc_usage(void)
290 {
291 BIO_printf(bio_err,"usage: s_client args\n");
292 BIO_printf(bio_err,"\n");
293 BIO_printf(bio_err," -host host - use -connect instead\n");
294 BIO_printf(bio_err," -port port - use -connect instead\n");
295 BIO_printf(bio_err," -connect host:port - who to connect to (default is %s:%s)\n",SSL_HOST_NAME,PORT_STR);
296 BIO_printf(bio_err," -verify arg - turn on peer certificate verification\n");
297 BIO_printf(bio_err," -cert arg - certificate file to use, PEM format assumed\n");
298 BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
299 BIO_printf(bio_err," -key arg - Private key file to use, in cert file if\n");
300 BIO_printf(bio_err," not specified but cert file is.\n");
301 BIO_printf(bio_err," -keyform arg - key format (PEM or DER) PEM default\n");
302 BIO_printf(bio_err," -pass arg - private key file pass phrase source\n");
303 BIO_printf(bio_err," -CApath arg - PEM format directory of CA's\n");
304 BIO_printf(bio_err," -CAfile arg - PEM format file of CA's\n");
305 BIO_printf(bio_err," -reconnect - Drop and re-make the connection with the same Session-ID\n");
306 BIO_printf(bio_err," -pause - sleep(1) after each read(2) and write(2) system call\n");
307 BIO_printf(bio_err," -showcerts - show all certificates in the chain\n");
308 BIO_printf(bio_err," -debug - extra output\n");
309 #ifdef WATT32
310 BIO_printf(bio_err," -wdebug - WATT-32 tcp debugging\n");
311 #endif
312 BIO_printf(bio_err," -msg - Show protocol messages\n");
313 BIO_printf(bio_err," -nbio_test - more ssl protocol testing\n");
314 BIO_printf(bio_err," -state - print the 'ssl' states\n");
315 #ifdef FIONBIO
316 BIO_printf(bio_err," -nbio - Run with non-blocking IO\n");
317 #endif
318 BIO_printf(bio_err," -crlf - convert LF from terminal into CRLF\n");
319 BIO_printf(bio_err," -quiet - no s_client output\n");
320 BIO_printf(bio_err," -ign_eof - ignore input eof (default when -quiet)\n");
321 BIO_printf(bio_err," -no_ign_eof - don't ignore input eof\n");
322 #ifndef OPENSSL_NO_PSK
323 BIO_printf(bio_err," -psk_identity arg - PSK identity\n");
324 BIO_printf(bio_err," -psk arg - PSK in hex (without 0x)\n");
325 # ifndef OPENSSL_NO_JPAKE
326 BIO_printf(bio_err," -jpake arg - JPAKE secret to use\n");
327 # endif
328 #endif
329 #ifndef OPENSSL_NO_SRP
330 BIO_printf(bio_err," -srpuser user - SRP authentification for 'user'\n");
331 BIO_printf(bio_err," -srppass arg - password for 'user'\n");
332 BIO_printf(bio_err," -srp_lateuser - SRP username into second ClientHello message\n");
333 BIO_printf(bio_err," -srp_moregroups - Tolerate other than the known g N values.\n");
334 BIO_printf(bio_err," -srp_strength int - minimal mength in bits for N (default %d).\n",SRP_MINIMAL_N);
335 #endif
336 BIO_printf(bio_err," -ssl2 - just use SSLv2\n");
337 BIO_printf(bio_err," -ssl3 - just use SSLv3\n");
338 BIO_printf(bio_err," -tls1_2 - just use TLSv1.2\n");
339 BIO_printf(bio_err," -tls1_1 - just use TLSv1.1\n");
340 BIO_printf(bio_err," -tls1 - just use TLSv1\n");
341 BIO_printf(bio_err," -dtls1 - just use DTLSv1\n");
342 BIO_printf(bio_err," -mtu - set the link layer MTU\n");
343 BIO_printf(bio_err," -no_tls1_2/-no_tls1_1/-no_tls1/-no_ssl3/-no_ssl2 - turn off that protocol\n");
344 BIO_printf(bio_err," -bugs - Switch on all SSL implementation bug workarounds\n");
345 BIO_printf(bio_err," -serverpref - Use server's cipher preferences (only SSLv2)\n");
346 BIO_printf(bio_err," -cipher - preferred cipher to use, use the 'openssl ciphers'\n");
347 BIO_printf(bio_err," command to see what is available\n");
348 BIO_printf(bio_err," -starttls prot - use the STARTTLS command before starting TLS\n");
349 BIO_printf(bio_err," for those protocols that support it, where\n");
350 BIO_printf(bio_err," 'prot' defines which one to assume. Currently,\n");
351 BIO_printf(bio_err," only \"smtp\", \"pop3\", \"imap\", \"ftp\" and \"xmpp\"\n");
352 BIO_printf(bio_err," are supported.\n");
353 BIO_printf(bio_err," -xmpphost host - When used with \"-starttls xmpp\" specifies the virtual host.\n");
354 #ifndef OPENSSL_NO_ENGINE
355 BIO_printf(bio_err," -engine id - Initialise and use the specified engine\n");
356 #endif
357 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
358 BIO_printf(bio_err," -sess_out arg - file to write SSL session to\n");
359 BIO_printf(bio_err," -sess_in arg - file to read SSL session from\n");
360 #ifndef OPENSSL_NO_TLSEXT
361 BIO_printf(bio_err," -servername host - Set TLS extension servername in ClientHello\n");
362 BIO_printf(bio_err," -tlsextdebug - hex dump of all TLS extensions received\n");
363 BIO_printf(bio_err," -status - request certificate status from server\n");
364 BIO_printf(bio_err," -no_ticket - disable use of RFC4507bis session tickets\n");
365 BIO_printf(bio_err," -proof_debug - request an audit proof and print its hex dump\n");
366 # ifndef OPENSSL_NO_NEXTPROTONEG
367 BIO_printf(bio_err," -nextprotoneg arg - enable NPN extension, considering named protocols supported (comma-separated list)\n");
368 BIO_printf(bio_err," -alpn arg - enable ALPN extension, considering named protocols supported (comma-separated list)\n");
369 # endif
370 #ifndef OPENSSL_NO_TLSEXT
371 BIO_printf(bio_err," -serverinfo types - send empty ClientHello extensions (comma-separated numbers)\n");
372 #endif
373 #endif
374 BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
375 BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
376 BIO_printf(bio_err," -keymatexport label - Export keying material using label\n");
377 BIO_printf(bio_err," -keymatexportlen len - Export len bytes of keying material (default 20)\n");
378 }
379
380 #ifndef OPENSSL_NO_TLSEXT
381
382 /* This is a context that we pass to callbacks */
383 typedef struct tlsextctx_st {
384 BIO * biodebug;
385 int ack;
386 } tlsextctx;
387
388
389 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
390 {
391 tlsextctx * p = (tlsextctx *) arg;
392 const char * hn= SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
393 if (SSL_get_servername_type(s) != -1)
394 p->ack = !SSL_session_reused(s) && hn != NULL;
395 else
396 BIO_printf(bio_err,"Can't use SSL_get_servername\n");
397
398 return SSL_TLSEXT_ERR_OK;
399 }
400
401 #ifndef OPENSSL_NO_SRP
402
403 /* This is a context that we pass to all callbacks */
404 typedef struct srp_arg_st
405 {
406 char *srppassin;
407 char *srplogin;
408 int msg; /* copy from c_msg */
409 int debug; /* copy from c_debug */
410 int amp; /* allow more groups */
411 int strength /* minimal size for N */ ;
412 } SRP_ARG;
413
414 #define SRP_NUMBER_ITERATIONS_FOR_PRIME 64
415
416 static int srp_Verify_N_and_g(const BIGNUM *N, const BIGNUM *g)
417 {
418 BN_CTX *bn_ctx = BN_CTX_new();
419 BIGNUM *p = BN_new();
420 BIGNUM *r = BN_new();
421 int ret =
422 g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) &&
423 BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
424 p != NULL && BN_rshift1(p, N) &&
425
426 /* p = (N-1)/2 */
427 BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
428 r != NULL &&
429
430 /* verify g^((N-1)/2) == -1 (mod N) */
431 BN_mod_exp(r, g, p, N, bn_ctx) &&
432 BN_add_word(r, 1) &&
433 BN_cmp(r, N) == 0;
434
435 if(r)
436 BN_free(r);
437 if(p)
438 BN_free(p);
439 if(bn_ctx)
440 BN_CTX_free(bn_ctx);
441 return ret;
442 }
443
444 /* This callback is used here for two purposes:
445 - extended debugging
446 - making some primality tests for unknown groups
447 The callback is only called for a non default group.
448
449 An application does not need the call back at all if
450 only the stanard groups are used. In real life situations,
451 client and server already share well known groups,
452 thus there is no need to verify them.
453 Furthermore, in case that a server actually proposes a group that
454 is not one of those defined in RFC 5054, it is more appropriate
455 to add the group to a static list and then compare since
456 primality tests are rather cpu consuming.
457 */
458
459 static int MS_CALLBACK ssl_srp_verify_param_cb(SSL *s, void *arg)
460 {
461 SRP_ARG *srp_arg = (SRP_ARG *)arg;
462 BIGNUM *N = NULL, *g = NULL;
463 if (!(N = SSL_get_srp_N(s)) || !(g = SSL_get_srp_g(s)))
464 return 0;
465 if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1)
466 {
467 BIO_printf(bio_err, "SRP parameters:\n");
468 BIO_printf(bio_err,"\tN="); BN_print(bio_err,N);
469 BIO_printf(bio_err,"\n\tg="); BN_print(bio_err,g);
470 BIO_printf(bio_err,"\n");
471 }
472
473 if (SRP_check_known_gN_param(g,N))
474 return 1;
475
476 if (srp_arg->amp == 1)
477 {
478 if (srp_arg->debug)
479 BIO_printf(bio_err, "SRP param N and g are not known params, going to check deeper.\n");
480
481 /* The srp_moregroups is a real debugging feature.
482 Implementors should rather add the value to the known ones.
483 The minimal size has already been tested.
484 */
485 if (BN_num_bits(g) <= BN_BITS && srp_Verify_N_and_g(N,g))
486 return 1;
487 }
488 BIO_printf(bio_err, "SRP param N and g rejected.\n");
489 return 0;
490 }
491
492 #define PWD_STRLEN 1024
493
494 static char * MS_CALLBACK ssl_give_srp_client_pwd_cb(SSL *s, void *arg)
495 {
496 SRP_ARG *srp_arg = (SRP_ARG *)arg;
497 char *pass = (char *)OPENSSL_malloc(PWD_STRLEN+1);
498 PW_CB_DATA cb_tmp;
499 int l;
500
501 cb_tmp.password = (char *)srp_arg->srppassin;
502 cb_tmp.prompt_info = "SRP user";
503 if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp))<0)
504 {
505 BIO_printf (bio_err, "Can't read Password\n");
506 OPENSSL_free(pass);
507 return NULL;
508 }
509 *(pass+l)= '\0';
510
511 return pass;
512 }
513
514 #endif
515 char *srtp_profiles = NULL;
516
517 # ifndef OPENSSL_NO_NEXTPROTONEG
518 /* This the context that we pass to next_proto_cb */
519 typedef struct tlsextnextprotoctx_st {
520 unsigned char *data;
521 unsigned short len;
522 int status;
523 } tlsextnextprotoctx;
524
525 static tlsextnextprotoctx next_proto;
526
527 static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen, const unsigned char *in, unsigned int inlen, void *arg)
528 {
529 tlsextnextprotoctx *ctx = arg;
530
531 if (!c_quiet)
532 {
533 /* We can assume that |in| is syntactically valid. */
534 unsigned i;
535 BIO_printf(bio_c_out, "Protocols advertised by server: ");
536 for (i = 0; i < inlen; )
537 {
538 if (i)
539 BIO_write(bio_c_out, ", ", 2);
540 BIO_write(bio_c_out, &in[i + 1], in[i]);
541 i += in[i] + 1;
542 }
543 BIO_write(bio_c_out, "\n", 1);
544 }
545
546 ctx->status = SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len);
547 return SSL_TLSEXT_ERR_OK;
548 }
549 # endif /* ndef OPENSSL_NO_NEXTPROTONEG */
550
551 static int serverinfo_cli_cb(SSL* s, unsigned short ext_type,
552 const unsigned char* in, unsigned short inlen,
553 int* al, void* arg)
554 {
555 char pem_name[100];
556 unsigned char ext_buf[4 + 65536];
557
558 /* Reconstruct the type/len fields prior to extension data */
559 ext_buf[0] = ext_type >> 8;
560 ext_buf[1] = ext_type & 0xFF;
561 ext_buf[2] = inlen >> 8;
562 ext_buf[3] = inlen & 0xFF;
563 memcpy(ext_buf+4, in, inlen);
564
565 BIO_snprintf(pem_name, sizeof(pem_name), "SERVER_INFO %d", ext_type);
566 PEM_write_bio(bio_c_out, pem_name, "", ext_buf, 4 + inlen);
567 return 1;
568 }
569
570 #endif
571
572 enum
573 {
574 PROTO_OFF = 0,
575 PROTO_SMTP,
576 PROTO_POP3,
577 PROTO_IMAP,
578 PROTO_FTP,
579 PROTO_XMPP
580 };
581
582 int MAIN(int, char **);
583
584 int MAIN(int argc, char **argv)
585 {
586 int build_chain = 0;
587 SSL *con=NULL;
588 #ifndef OPENSSL_NO_KRB5
589 KSSL_CTX *kctx;
590 #endif
591 int s,k,width,state=0;
592 char *cbuf=NULL,*sbuf=NULL,*mbuf=NULL;
593 int cbuf_len,cbuf_off;
594 int sbuf_len,sbuf_off;
595 fd_set readfds,writefds;
596 short port=PORT;
597 int full_log=1;
598 char *host=SSL_HOST_NAME;
599 char *xmpphost = NULL;
600 char *cert_file=NULL,*key_file=NULL,*chain_file=NULL;
601 int cert_format = FORMAT_PEM, key_format = FORMAT_PEM;
602 char *passarg = NULL, *pass = NULL;
603 X509 *cert = NULL;
604 EVP_PKEY *key = NULL;
605 STACK_OF(X509) *chain = NULL;
606 char *CApath=NULL,*CAfile=NULL;
607 char *chCApath=NULL,*chCAfile=NULL;
608 char *vfyCApath=NULL,*vfyCAfile=NULL;
609 int reconnect=0,badop=0,verify=SSL_VERIFY_NONE;
610 int crlf=0;
611 int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending;
612 SSL_CTX *ctx=NULL;
613 int ret=1,in_init=1,i,nbio_test=0;
614 int starttls_proto = PROTO_OFF;
615 int prexit = 0;
616 X509_VERIFY_PARAM *vpm = NULL;
617 int badarg = 0;
618 const SSL_METHOD *meth=NULL;
619 int socket_type=SOCK_STREAM;
620 BIO *sbio;
621 char *inrand=NULL;
622 int mbuf_len=0;
623 struct timeval timeout, *timeoutp;
624 #ifndef OPENSSL_NO_ENGINE
625 char *engine_id=NULL;
626 char *ssl_client_engine_id=NULL;
627 ENGINE *ssl_client_engine=NULL;
628 #endif
629 ENGINE *e=NULL;
630 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
631 struct timeval tv;
632 #if defined(OPENSSL_SYS_BEOS_R5)
633 int stdin_set = 0;
634 #endif
635 #endif
636 #ifndef OPENSSL_NO_TLSEXT
637 char *servername = NULL;
638 tlsextctx tlsextcbp =
639 {NULL,0};
640 # ifndef OPENSSL_NO_NEXTPROTONEG
641 const char *next_proto_neg_in = NULL;
642 const char *alpn_in = NULL;
643 # endif
644 # define MAX_SI_TYPES 100
645 unsigned short serverinfo_types[MAX_SI_TYPES];
646 int serverinfo_types_count = 0;
647 #endif
648 char *sess_in = NULL;
649 char *sess_out = NULL;
650 struct sockaddr peer;
651 int peerlen = sizeof(peer);
652 int enable_timeouts = 0 ;
653 long socket_mtu = 0;
654 #ifndef OPENSSL_NO_JPAKE
655 static char *jpake_secret = NULL;
656 #define no_jpake !jpake_secret
657 #else
658 #define no_jpake 1
659 #endif
660 #ifndef OPENSSL_NO_SRP
661 char * srppass = NULL;
662 int srp_lateuser = 0;
663 SRP_ARG srp_arg = {NULL,NULL,0,0,0,1024};
664 #endif
665 SSL_EXCERT *exc = NULL;
666
667 SSL_CONF_CTX *cctx = NULL;
668 STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
669
670 char *crl_file = NULL;
671 int crl_format = FORMAT_PEM;
672 int crl_download = 0;
673 STACK_OF(X509_CRL) *crls = NULL;
674
675 meth=SSLv23_client_method();
676
677 apps_startup();
678 c_Pause=0;
679 c_quiet=0;
680 c_ign_eof=0;
681 c_debug=0;
682 c_msg=0;
683 c_showcerts=0;
684
685 if (bio_err == NULL)
686 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
687
688 if (!load_config(bio_err, NULL))
689 goto end;
690 cctx = SSL_CONF_CTX_new();
691 if (!cctx)
692 goto end;
693 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT);
694 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CMDLINE);
695
696 if ( ((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
697 ((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
698 ((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL))
699 {
700 BIO_printf(bio_err,"out of memory\n");
701 goto end;
702 }
703
704 verify_depth=0;
705 verify_error=X509_V_OK;
706 #ifdef FIONBIO
707 c_nbio=0;
708 #endif
709
710 argc--;
711 argv++;
712 while (argc >= 1)
713 {
714 if (strcmp(*argv,"-host") == 0)
715 {
716 if (--argc < 1) goto bad;
717 host= *(++argv);
718 }
719 else if (strcmp(*argv,"-port") == 0)
720 {
721 if (--argc < 1) goto bad;
722 port=atoi(*(++argv));
723 if (port == 0) goto bad;
724 }
725 else if (strcmp(*argv,"-connect") == 0)
726 {
727 if (--argc < 1) goto bad;
728 if (!extract_host_port(*(++argv),&host,NULL,&port))
729 goto bad;
730 }
731 else if (strcmp(*argv,"-xmpphost") == 0)
732 {
733 if (--argc < 1) goto bad;
734 xmpphost= *(++argv);
735 }
736 else if (strcmp(*argv,"-verify") == 0)
737 {
738 verify=SSL_VERIFY_PEER;
739 if (--argc < 1) goto bad;
740 verify_depth=atoi(*(++argv));
741 if (!c_quiet)
742 BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
743 }
744 else if (strcmp(*argv,"-cert") == 0)
745 {
746 if (--argc < 1) goto bad;
747 cert_file= *(++argv);
748 }
749 else if (strcmp(*argv,"-CRL") == 0)
750 {
751 if (--argc < 1) goto bad;
752 crl_file= *(++argv);
753 }
754 else if (strcmp(*argv,"-crl_download") == 0)
755 crl_download = 1;
756 else if (strcmp(*argv,"-sess_out") == 0)
757 {
758 if (--argc < 1) goto bad;
759 sess_out = *(++argv);
760 }
761 else if (strcmp(*argv,"-sess_in") == 0)
762 {
763 if (--argc < 1) goto bad;
764 sess_in = *(++argv);
765 }
766 else if (strcmp(*argv,"-certform") == 0)
767 {
768 if (--argc < 1) goto bad;
769 cert_format = str2fmt(*(++argv));
770 }
771 else if (strcmp(*argv,"-CRLform") == 0)
772 {
773 if (--argc < 1) goto bad;
774 crl_format = str2fmt(*(++argv));
775 }
776 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
777 {
778 if (badarg)
779 goto bad;
780 continue;
781 }
782 else if (strcmp(*argv,"-verify_return_error") == 0)
783 verify_return_error = 1;
784 else if (strcmp(*argv,"-verify_quiet") == 0)
785 verify_quiet = 1;
786 else if (strcmp(*argv,"-brief") == 0)
787 {
788 c_brief = 1;
789 verify_quiet = 1;
790 c_quiet = 1;
791 }
792 else if (args_excert(&argv, &argc, &badarg, bio_err, &exc))
793 {
794 if (badarg)
795 goto bad;
796 continue;
797 }
798 else if (args_ssl(&argv, &argc, cctx, &badarg, bio_err, &ssl_args))
799 {
800 if (badarg)
801 goto bad;
802 continue;
803 }
804 else if (strcmp(*argv,"-prexit") == 0)
805 prexit=1;
806 else if (strcmp(*argv,"-crlf") == 0)
807 crlf=1;
808 else if (strcmp(*argv,"-quiet") == 0)
809 {
810 c_quiet=1;
811 c_ign_eof=1;
812 }
813 else if (strcmp(*argv,"-ign_eof") == 0)
814 c_ign_eof=1;
815 else if (strcmp(*argv,"-no_ign_eof") == 0)
816 c_ign_eof=0;
817 else if (strcmp(*argv,"-pause") == 0)
818 c_Pause=1;
819 else if (strcmp(*argv,"-debug") == 0)
820 c_debug=1;
821 #ifndef OPENSSL_NO_TLSEXT
822 else if (strcmp(*argv,"-tlsextdebug") == 0)
823 c_tlsextdebug=1;
824 else if (strcmp(*argv,"-status") == 0)
825 c_status_req=1;
826 else if (strcmp(*argv,"-proof_debug") == 0)
827 c_proof_debug=1;
828 #endif
829 #ifdef WATT32
830 else if (strcmp(*argv,"-wdebug") == 0)
831 dbug_init();
832 #endif
833 else if (strcmp(*argv,"-msg") == 0)
834 c_msg=1;
835 else if (strcmp(*argv,"-msgfile") == 0)
836 {
837 if (--argc < 1) goto bad;
838 bio_c_msg = BIO_new_file(*(++argv), "w");
839 }
840 #ifndef OPENSSL_NO_SSL_TRACE
841 else if (strcmp(*argv,"-trace") == 0)
842 c_msg=2;
843 #endif
844 else if (strcmp(*argv,"-showcerts") == 0)
845 c_showcerts=1;
846 else if (strcmp(*argv,"-nbio_test") == 0)
847 nbio_test=1;
848 else if (strcmp(*argv,"-state") == 0)
849 state=1;
850 #ifndef OPENSSL_NO_PSK
851 else if (strcmp(*argv,"-psk_identity") == 0)
852 {
853 if (--argc < 1) goto bad;
854 psk_identity=*(++argv);
855 }
856 else if (strcmp(*argv,"-psk") == 0)
857 {
858 size_t j;
859
860 if (--argc < 1) goto bad;
861 psk_key=*(++argv);
862 for (j = 0; j < strlen(psk_key); j++)
863 {
864 if (isxdigit((unsigned char)psk_key[j]))
865 continue;
866 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
867 goto bad;
868 }
869 }
870 #endif
871 #ifndef OPENSSL_NO_SRP
872 else if (strcmp(*argv,"-srpuser") == 0)
873 {
874 if (--argc < 1) goto bad;
875 srp_arg.srplogin= *(++argv);
876 meth=TLSv1_client_method();
877 }
878 else if (strcmp(*argv,"-srppass") == 0)
879 {
880 if (--argc < 1) goto bad;
881 srppass= *(++argv);
882 meth=TLSv1_client_method();
883 }
884 else if (strcmp(*argv,"-srp_strength") == 0)
885 {
886 if (--argc < 1) goto bad;
887 srp_arg.strength=atoi(*(++argv));
888 BIO_printf(bio_err,"SRP minimal length for N is %d\n",srp_arg.strength);
889 meth=TLSv1_client_method();
890 }
891 else if (strcmp(*argv,"-srp_lateuser") == 0)
892 {
893 srp_lateuser= 1;
894 meth=TLSv1_client_method();
895 }
896 else if (strcmp(*argv,"-srp_moregroups") == 0)
897 {
898 srp_arg.amp=1;
899 meth=TLSv1_client_method();
900 }
901 #endif
902 #ifndef OPENSSL_NO_SSL2
903 else if (strcmp(*argv,"-ssl2") == 0)
904 meth=SSLv2_client_method();
905 #endif
906 #ifndef OPENSSL_NO_SSL3
907 else if (strcmp(*argv,"-ssl3") == 0)
908 meth=SSLv3_client_method();
909 #endif
910 #ifndef OPENSSL_NO_TLS1
911 else if (strcmp(*argv,"-tls1_2") == 0)
912 meth=TLSv1_2_client_method();
913 else if (strcmp(*argv,"-tls1_1") == 0)
914 meth=TLSv1_1_client_method();
915 else if (strcmp(*argv,"-tls1") == 0)
916 meth=TLSv1_client_method();
917 #endif
918 #ifndef OPENSSL_NO_DTLS1
919 else if (strcmp(*argv,"-dtls") == 0)
920 {
921 meth=DTLS_client_method();
922 socket_type=SOCK_DGRAM;
923 }
924 else if (strcmp(*argv,"-dtls1") == 0)
925 {
926 meth=DTLSv1_client_method();
927 socket_type=SOCK_DGRAM;
928 }
929 else if (strcmp(*argv,"-dtls1_2") == 0)
930 {
931 meth=DTLSv1_2_client_method();
932 socket_type=SOCK_DGRAM;
933 }
934 else if (strcmp(*argv,"-timeout") == 0)
935 enable_timeouts=1;
936 else if (strcmp(*argv,"-mtu") == 0)
937 {
938 if (--argc < 1) goto bad;
939 socket_mtu = atol(*(++argv));
940 }
941 #endif
942 else if (strcmp(*argv,"-keyform") == 0)
943 {
944 if (--argc < 1) goto bad;
945 key_format = str2fmt(*(++argv));
946 }
947 else if (strcmp(*argv,"-pass") == 0)
948 {
949 if (--argc < 1) goto bad;
950 passarg = *(++argv);
951 }
952 else if (strcmp(*argv,"-cert_chain") == 0)
953 {
954 if (--argc < 1) goto bad;
955 chain_file= *(++argv);
956 }
957 else if (strcmp(*argv,"-key") == 0)
958 {
959 if (--argc < 1) goto bad;
960 key_file= *(++argv);
961 }
962 else if (strcmp(*argv,"-reconnect") == 0)
963 {
964 reconnect=5;
965 }
966 else if (strcmp(*argv,"-CApath") == 0)
967 {
968 if (--argc < 1) goto bad;
969 CApath= *(++argv);
970 }
971 else if (strcmp(*argv,"-chainCApath") == 0)
972 {
973 if (--argc < 1) goto bad;
974 chCApath= *(++argv);
975 }
976 else if (strcmp(*argv,"-verifyCApath") == 0)
977 {
978 if (--argc < 1) goto bad;
979 vfyCApath= *(++argv);
980 }
981 else if (strcmp(*argv,"-build_chain") == 0)
982 build_chain = 1;
983 else if (strcmp(*argv,"-CAfile") == 0)
984 {
985 if (--argc < 1) goto bad;
986 CAfile= *(++argv);
987 }
988 else if (strcmp(*argv,"-chainCAfile") == 0)
989 {
990 if (--argc < 1) goto bad;
991 chCAfile= *(++argv);
992 }
993 else if (strcmp(*argv,"-verifyCAfile") == 0)
994 {
995 if (--argc < 1) goto bad;
996 vfyCAfile= *(++argv);
997 }
998 #ifndef OPENSSL_NO_TLSEXT
999 # ifndef OPENSSL_NO_NEXTPROTONEG
1000 else if (strcmp(*argv,"-nextprotoneg") == 0)
1001 {
1002 if (--argc < 1) goto bad;
1003 next_proto_neg_in = *(++argv);
1004 }
1005 else if (strcmp(*argv,"-alpn") == 0)
1006 {
1007 if (--argc < 1) goto bad;
1008 alpn_in = *(++argv);
1009 }
1010 # endif
1011 else if (strcmp(*argv,"-serverinfo") == 0)
1012 {
1013 char *c;
1014 int start = 0;
1015 int len;
1016
1017 if (--argc < 1) goto bad;
1018 c = *(++argv);
1019 serverinfo_types_count = 0;
1020 len = strlen(c);
1021 for (i = 0; i <= len; ++i)
1022 {
1023 if (i == len || c[i] == ',')
1024 {
1025 serverinfo_types[serverinfo_types_count]
1026 = atoi(c+start);
1027 serverinfo_types_count++;
1028 start = i+1;
1029 }
1030 if (serverinfo_types_count == MAX_SI_TYPES)
1031 break;
1032 }
1033 }
1034 #endif
1035 #ifdef FIONBIO
1036 else if (strcmp(*argv,"-nbio") == 0)
1037 { c_nbio=1; }
1038 #endif
1039 else if (strcmp(*argv,"-starttls") == 0)
1040 {
1041 if (--argc < 1) goto bad;
1042 ++argv;
1043 if (strcmp(*argv,"smtp") == 0)
1044 starttls_proto = PROTO_SMTP;
1045 else if (strcmp(*argv,"pop3") == 0)
1046 starttls_proto = PROTO_POP3;
1047 else if (strcmp(*argv,"imap") == 0)
1048 starttls_proto = PROTO_IMAP;
1049 else if (strcmp(*argv,"ftp") == 0)
1050 starttls_proto = PROTO_FTP;
1051 else if (strcmp(*argv, "xmpp") == 0)
1052 starttls_proto = PROTO_XMPP;
1053 else
1054 goto bad;
1055 }
1056 #ifndef OPENSSL_NO_ENGINE
1057 else if (strcmp(*argv,"-engine") == 0)
1058 {
1059 if (--argc < 1) goto bad;
1060 engine_id = *(++argv);
1061 }
1062 else if (strcmp(*argv,"-ssl_client_engine") == 0)
1063 {
1064 if (--argc < 1) goto bad;
1065 ssl_client_engine_id = *(++argv);
1066 }
1067 #endif
1068 else if (strcmp(*argv,"-rand") == 0)
1069 {
1070 if (--argc < 1) goto bad;
1071 inrand= *(++argv);
1072 }
1073 #ifndef OPENSSL_NO_TLSEXT
1074 else if (strcmp(*argv,"-servername") == 0)
1075 {
1076 if (--argc < 1) goto bad;
1077 servername= *(++argv);
1078 /* meth=TLSv1_client_method(); */
1079 }
1080 #endif
1081 #ifndef OPENSSL_NO_JPAKE
1082 else if (strcmp(*argv,"-jpake") == 0)
1083 {
1084 if (--argc < 1) goto bad;
1085 jpake_secret = *++argv;
1086 }
1087 #endif
1088 else if (strcmp(*argv,"-use_srtp") == 0)
1089 {
1090 if (--argc < 1) goto bad;
1091 srtp_profiles = *(++argv);
1092 }
1093 else if (strcmp(*argv,"-keymatexport") == 0)
1094 {
1095 if (--argc < 1) goto bad;
1096 keymatexportlabel= *(++argv);
1097 }
1098 else if (strcmp(*argv,"-keymatexportlen") == 0)
1099 {
1100 if (--argc < 1) goto bad;
1101 keymatexportlen=atoi(*(++argv));
1102 if (keymatexportlen == 0) goto bad;
1103 }
1104 else
1105 {
1106 BIO_printf(bio_err,"unknown option %s\n",*argv);
1107 badop=1;
1108 break;
1109 }
1110 argc--;
1111 argv++;
1112 }
1113 if (badop)
1114 {
1115 bad:
1116 sc_usage();
1117 goto end;
1118 }
1119
1120 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1121 if (jpake_secret)
1122 {
1123 if (psk_key)
1124 {
1125 BIO_printf(bio_err,
1126 "Can't use JPAKE and PSK together\n");
1127 goto end;
1128 }
1129 psk_identity = "JPAKE";
1130 }
1131 #endif
1132
1133 OpenSSL_add_ssl_algorithms();
1134 SSL_load_error_strings();
1135
1136 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
1137 next_proto.status = -1;
1138 if (next_proto_neg_in)
1139 {
1140 next_proto.data = next_protos_parse(&next_proto.len, next_proto_neg_in);
1141 if (next_proto.data == NULL)
1142 {
1143 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n");
1144 goto end;
1145 }
1146 }
1147 else
1148 next_proto.data = NULL;
1149 #endif
1150
1151 #ifndef OPENSSL_NO_ENGINE
1152 e = setup_engine(bio_err, engine_id, 1);
1153 if (ssl_client_engine_id)
1154 {
1155 ssl_client_engine = ENGINE_by_id(ssl_client_engine_id);
1156 if (!ssl_client_engine)
1157 {
1158 BIO_printf(bio_err,
1159 "Error getting client auth engine\n");
1160 goto end;
1161 }
1162 }
1163
1164 #endif
1165 if (!app_passwd(bio_err, passarg, NULL, &pass, NULL))
1166 {
1167 BIO_printf(bio_err, "Error getting password\n");
1168 goto end;
1169 }
1170
1171 if (key_file == NULL)
1172 key_file = cert_file;
1173
1174
1175 if (key_file)
1176
1177 {
1178
1179 key = load_key(bio_err, key_file, key_format, 0, pass, e,
1180 "client certificate private key file");
1181 if (!key)
1182 {
1183 ERR_print_errors(bio_err);
1184 goto end;
1185 }
1186
1187 }
1188
1189 if (cert_file)
1190
1191 {
1192 cert = load_cert(bio_err,cert_file,cert_format,
1193 NULL, e, "client certificate file");
1194
1195 if (!cert)
1196 {
1197 ERR_print_errors(bio_err);
1198 goto end;
1199 }
1200 }
1201
1202 if (chain_file)
1203 {
1204 chain = load_certs(bio_err, chain_file,FORMAT_PEM,
1205 NULL, e, "client certificate chain");
1206 if (!chain)
1207 goto end;
1208 }
1209
1210 if (crl_file)
1211 {
1212 X509_CRL *crl;
1213 crl = load_crl(crl_file, crl_format);
1214 if (!crl)
1215 {
1216 BIO_puts(bio_err, "Error loading CRL\n");
1217 ERR_print_errors(bio_err);
1218 goto end;
1219 }
1220 crls = sk_X509_CRL_new_null();
1221 if (!crls || !sk_X509_CRL_push(crls, crl))
1222 {
1223 BIO_puts(bio_err, "Error adding CRL\n");
1224 ERR_print_errors(bio_err);
1225 X509_CRL_free(crl);
1226 goto end;
1227 }
1228 }
1229
1230 if (!load_excert(&exc, bio_err))
1231 goto end;
1232
1233 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1234 && !RAND_status())
1235 {
1236 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
1237 }
1238 if (inrand != NULL)
1239 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
1240 app_RAND_load_files(inrand));
1241
1242 if (bio_c_out == NULL)
1243 {
1244 if (c_quiet && !c_debug)
1245 {
1246 bio_c_out=BIO_new(BIO_s_null());
1247 if (c_msg && !bio_c_msg)
1248 bio_c_msg=BIO_new_fp(stdout,BIO_NOCLOSE);
1249 }
1250 else
1251 {
1252 if (bio_c_out == NULL)
1253 bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE);
1254 }
1255 }
1256
1257 #ifndef OPENSSL_NO_SRP
1258 if(!app_passwd(bio_err, srppass, NULL, &srp_arg.srppassin, NULL))
1259 {
1260 BIO_printf(bio_err, "Error getting password\n");
1261 goto end;
1262 }
1263 #endif
1264
1265 ctx=SSL_CTX_new(meth);
1266 if (ctx == NULL)
1267 {
1268 ERR_print_errors(bio_err);
1269 goto end;
1270 }
1271
1272 if (vpm)
1273 SSL_CTX_set1_param(ctx, vpm);
1274
1275 if (!args_ssl_call(ctx, bio_err, cctx, ssl_args, 1, no_jpake))
1276 {
1277 ERR_print_errors(bio_err);
1278 goto end;
1279 }
1280
1281 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1282 crls, crl_download))
1283 {
1284 BIO_printf(bio_err, "Error loading store locations\n");
1285 ERR_print_errors(bio_err);
1286 goto end;
1287 }
1288
1289 #ifndef OPENSSL_NO_ENGINE
1290 if (ssl_client_engine)
1291 {
1292 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine))
1293 {
1294 BIO_puts(bio_err, "Error setting client auth engine\n");
1295 ERR_print_errors(bio_err);
1296 ENGINE_free(ssl_client_engine);
1297 goto end;
1298 }
1299 ENGINE_free(ssl_client_engine);
1300 }
1301 #endif
1302
1303 #ifndef OPENSSL_NO_PSK
1304 #ifdef OPENSSL_NO_JPAKE
1305 if (psk_key != NULL)
1306 #else
1307 if (psk_key != NULL || jpake_secret)
1308 #endif
1309 {
1310 if (c_debug)
1311 BIO_printf(bio_c_out, "PSK key given or JPAKE in use, setting client callback\n");
1312 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
1313 }
1314 if (srtp_profiles != NULL)
1315 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1316 #endif
1317 if (exc) ssl_ctx_set_excert(ctx, exc);
1318 /* DTLS: partial reads end up discarding unread UDP bytes :-(
1319 * Setting read ahead solves this problem.
1320 */
1321 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1322
1323 #if !defined(OPENSSL_NO_TLSEXT)
1324 # if !defined(OPENSSL_NO_NEXTPROTONEG)
1325 if (next_proto.data)
1326 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
1327 # endif
1328 if (alpn_in)
1329 {
1330 unsigned short alpn_len;
1331 unsigned char *alpn = next_protos_parse(&alpn_len, alpn_in);
1332
1333 if (alpn == NULL)
1334 {
1335 BIO_printf(bio_err, "Error parsing -alpn argument\n");
1336 goto end;
1337 }
1338 SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len);
1339 OPENSSL_free(alpn);
1340 }
1341 #endif
1342 #ifndef OPENSSL_NO_TLSEXT
1343 if (serverinfo_types_count)
1344 {
1345 for (i = 0; i < serverinfo_types_count; i++)
1346 {
1347 SSL_CTX_set_custom_cli_ext(ctx,
1348 serverinfo_types[i],
1349 NULL,
1350 serverinfo_cli_cb,
1351 NULL);
1352 }
1353 }
1354 #endif
1355
1356 if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1357 #if 0
1358 else
1359 SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER"));
1360 #endif
1361
1362 SSL_CTX_set_verify(ctx,verify,verify_callback);
1363
1364 if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
1365 (!SSL_CTX_set_default_verify_paths(ctx)))
1366 {
1367 /* BIO_printf(bio_err,"error setting default verify locations\n"); */
1368 ERR_print_errors(bio_err);
1369 /* goto end; */
1370 }
1371
1372 ssl_ctx_add_crls(ctx, crls, crl_download);
1373
1374 if (!set_cert_key_stuff(ctx,cert,key,chain,build_chain))
1375 goto end;
1376
1377 #ifndef OPENSSL_NO_TLSEXT
1378 if (servername != NULL)
1379 {
1380 tlsextcbp.biodebug = bio_err;
1381 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1382 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1383 }
1384 #ifndef OPENSSL_NO_SRP
1385 if (srp_arg.srplogin)
1386 {
1387 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin))
1388 {
1389 BIO_printf(bio_err,"Unable to set SRP username\n");
1390 goto end;
1391 }
1392 srp_arg.msg = c_msg;
1393 srp_arg.debug = c_debug ;
1394 SSL_CTX_set_srp_cb_arg(ctx,&srp_arg);
1395 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb);
1396 SSL_CTX_set_srp_strength(ctx, srp_arg.strength);
1397 if (c_msg || c_debug || srp_arg.amp == 0)
1398 SSL_CTX_set_srp_verify_param_callback(ctx, ssl_srp_verify_param_cb);
1399 }
1400
1401 #endif
1402 if (c_proof_debug)
1403 SSL_CTX_set_tlsext_authz_server_audit_proof_cb(ctx,
1404 audit_proof_cb);
1405 #endif
1406
1407 con=SSL_new(ctx);
1408 if (sess_in)
1409 {
1410 SSL_SESSION *sess;
1411 BIO *stmp = BIO_new_file(sess_in, "r");
1412 if (!stmp)
1413 {
1414 BIO_printf(bio_err, "Can't open session file %s\n",
1415 sess_in);
1416 ERR_print_errors(bio_err);
1417 goto end;
1418 }
1419 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1420 BIO_free(stmp);
1421 if (!sess)
1422 {
1423 BIO_printf(bio_err, "Can't open session file %s\n",
1424 sess_in);
1425 ERR_print_errors(bio_err);
1426 goto end;
1427 }
1428 SSL_set_session(con, sess);
1429 SSL_SESSION_free(sess);
1430 }
1431 #ifndef OPENSSL_NO_TLSEXT
1432 if (servername != NULL)
1433 {
1434 if (!SSL_set_tlsext_host_name(con,servername))
1435 {
1436 BIO_printf(bio_err,"Unable to set TLS servername extension.\n");
1437 ERR_print_errors(bio_err);
1438 goto end;
1439 }
1440 }
1441 #endif
1442 #ifndef OPENSSL_NO_KRB5
1443 if (con && (kctx = kssl_ctx_new()) != NULL)
1444 {
1445 SSL_set0_kssl_ctx(con, kctx);
1446 kssl_ctx_setstring(kctx, KSSL_SERVER, host);
1447 }
1448 #endif /* OPENSSL_NO_KRB5 */
1449 /* SSL_set_cipher_list(con,"RC4-MD5"); */
1450 #if 0
1451 #ifdef TLSEXT_TYPE_opaque_prf_input
1452 SSL_set_tlsext_opaque_prf_input(con, "Test client", 11);
1453 #endif
1454 #endif
1455
1456 re_start:
1457
1458 if (init_client(&s,host,port,socket_type) == 0)
1459 {
1460 BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error());
1461 SHUTDOWN(s);
1462 goto end;
1463 }
1464 BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s);
1465
1466 #ifdef FIONBIO
1467 if (c_nbio)
1468 {
1469 unsigned long l=1;
1470 BIO_printf(bio_c_out,"turning on non blocking io\n");
1471 if (BIO_socket_ioctl(s,FIONBIO,&l) < 0)
1472 {
1473 ERR_print_errors(bio_err);
1474 goto end;
1475 }
1476 }
1477 #endif
1478 if (c_Pause & 0x01) SSL_set_debug(con, 1);
1479
1480 if (socket_type == SOCK_DGRAM)
1481 {
1482
1483 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
1484 if (getsockname(s, &peer, (void *)&peerlen) < 0)
1485 {
1486 BIO_printf(bio_err, "getsockname:errno=%d\n",
1487 get_last_socket_error());
1488 SHUTDOWN(s);
1489 goto end;
1490 }
1491
1492 (void)BIO_ctrl_set_connected(sbio, 1, &peer);
1493
1494 if (enable_timeouts)
1495 {
1496 timeout.tv_sec = 0;
1497 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1498 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1499
1500 timeout.tv_sec = 0;
1501 timeout.tv_usec = DGRAM_SND_TIMEOUT;
1502 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1503 }
1504
1505 if (socket_mtu > 28)
1506 {
1507 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1508 SSL_set_mtu(con, socket_mtu - 28);
1509 }
1510 else
1511 /* want to do MTU discovery */
1512 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1513 }
1514 else
1515 sbio=BIO_new_socket(s,BIO_NOCLOSE);
1516
1517 if (nbio_test)
1518 {
1519 BIO *test;
1520
1521 test=BIO_new(BIO_f_nbio_test());
1522 sbio=BIO_push(test,sbio);
1523 }
1524
1525 if (c_debug)
1526 {
1527 SSL_set_debug(con, 1);
1528 BIO_set_callback(sbio,bio_dump_callback);
1529 BIO_set_callback_arg(sbio,(char *)bio_c_out);
1530 }
1531 if (c_msg)
1532 {
1533 #ifndef OPENSSL_NO_SSL_TRACE
1534 if (c_msg == 2)
1535 SSL_set_msg_callback(con, SSL_trace);
1536 else
1537 #endif
1538 SSL_set_msg_callback(con, msg_cb);
1539 SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out);
1540 }
1541 #ifndef OPENSSL_NO_TLSEXT
1542 if (c_tlsextdebug)
1543 {
1544 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1545 SSL_set_tlsext_debug_arg(con, bio_c_out);
1546 }
1547 if (c_status_req)
1548 {
1549 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
1550 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
1551 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
1552 #if 0
1553 {
1554 STACK_OF(OCSP_RESPID) *ids = sk_OCSP_RESPID_new_null();
1555 OCSP_RESPID *id = OCSP_RESPID_new();
1556 id->value.byKey = ASN1_OCTET_STRING_new();
1557 id->type = V_OCSP_RESPID_KEY;
1558 ASN1_STRING_set(id->value.byKey, "Hello World", -1);
1559 sk_OCSP_RESPID_push(ids, id);
1560 SSL_set_tlsext_status_ids(con, ids);
1561 }
1562 #endif
1563 }
1564 #endif
1565 #ifndef OPENSSL_NO_JPAKE
1566 if (jpake_secret)
1567 jpake_client_auth(bio_c_out, sbio, jpake_secret);
1568 #endif
1569
1570 SSL_set_bio(con,sbio,sbio);
1571 SSL_set_connect_state(con);
1572
1573 /* ok, lets connect */
1574 width=SSL_get_fd(con)+1;
1575
1576 read_tty=1;
1577 write_tty=0;
1578 tty_on=0;
1579 read_ssl=1;
1580 write_ssl=1;
1581
1582 cbuf_len=0;
1583 cbuf_off=0;
1584 sbuf_len=0;
1585 sbuf_off=0;
1586
1587 /* This is an ugly hack that does a lot of assumptions */
1588 /* We do have to handle multi-line responses which may come
1589 in a single packet or not. We therefore have to use
1590 BIO_gets() which does need a buffering BIO. So during
1591 the initial chitchat we do push a buffering BIO into the
1592 chain that is removed again later on to not disturb the
1593 rest of the s_client operation. */
1594 if (starttls_proto == PROTO_SMTP)
1595 {
1596 int foundit=0;
1597 BIO *fbio = BIO_new(BIO_f_buffer());
1598 BIO_push(fbio, sbio);
1599 /* wait for multi-line response to end from SMTP */
1600 do
1601 {
1602 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1603 }
1604 while (mbuf_len>3 && mbuf[3]=='-');
1605 /* STARTTLS command requires EHLO... */
1606 BIO_printf(fbio,"EHLO openssl.client.net\r\n");
1607 (void)BIO_flush(fbio);
1608 /* wait for multi-line response to end EHLO SMTP response */
1609 do
1610 {
1611 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1612 if (strstr(mbuf,"STARTTLS"))
1613 foundit=1;
1614 }
1615 while (mbuf_len>3 && mbuf[3]=='-');
1616 (void)BIO_flush(fbio);
1617 BIO_pop(fbio);
1618 BIO_free(fbio);
1619 if (!foundit)
1620 BIO_printf(bio_err,
1621 "didn't found starttls in server response,"
1622 " try anyway...\n");
1623 BIO_printf(sbio,"STARTTLS\r\n");
1624 BIO_read(sbio,sbuf,BUFSIZZ);
1625 }
1626 else if (starttls_proto == PROTO_POP3)
1627 {
1628 BIO_read(sbio,mbuf,BUFSIZZ);
1629 BIO_printf(sbio,"STLS\r\n");
1630 BIO_read(sbio,sbuf,BUFSIZZ);
1631 }
1632 else if (starttls_proto == PROTO_IMAP)
1633 {
1634 int foundit=0;
1635 BIO *fbio = BIO_new(BIO_f_buffer());
1636 BIO_push(fbio, sbio);
1637 BIO_gets(fbio,mbuf,BUFSIZZ);
1638 /* STARTTLS command requires CAPABILITY... */
1639 BIO_printf(fbio,". CAPABILITY\r\n");
1640 (void)BIO_flush(fbio);
1641 /* wait for multi-line CAPABILITY response */
1642 do
1643 {
1644 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1645 if (strstr(mbuf,"STARTTLS"))
1646 foundit=1;
1647 }
1648 while (mbuf_len>3 && mbuf[0]!='.');
1649 (void)BIO_flush(fbio);
1650 BIO_pop(fbio);
1651 BIO_free(fbio);
1652 if (!foundit)
1653 BIO_printf(bio_err,
1654 "didn't found STARTTLS in server response,"
1655 " try anyway...\n");
1656 BIO_printf(sbio,". STARTTLS\r\n");
1657 BIO_read(sbio,sbuf,BUFSIZZ);
1658 }
1659 else if (starttls_proto == PROTO_FTP)
1660 {
1661 BIO *fbio = BIO_new(BIO_f_buffer());
1662 BIO_push(fbio, sbio);
1663 /* wait for multi-line response to end from FTP */
1664 do
1665 {
1666 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1667 }
1668 while (mbuf_len>3 && mbuf[3]=='-');
1669 (void)BIO_flush(fbio);
1670 BIO_pop(fbio);
1671 BIO_free(fbio);
1672 BIO_printf(sbio,"AUTH TLS\r\n");
1673 BIO_read(sbio,sbuf,BUFSIZZ);
1674 }
1675 if (starttls_proto == PROTO_XMPP)
1676 {
1677 int seen = 0;
1678 BIO_printf(sbio,"<stream:stream "
1679 "xmlns:stream='http://etherx.jabber.org/streams' "
1680 "xmlns='jabber:client' to='%s' version='1.0'>", xmpphost ?
1681 xmpphost : host);
1682 seen = BIO_read(sbio,mbuf,BUFSIZZ);
1683 mbuf[seen] = 0;
1684 while (!strstr(mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'") &&
1685 !strstr(mbuf, "<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\""))
1686 {
1687 seen = BIO_read(sbio,mbuf,BUFSIZZ);
1688
1689 if (seen <= 0)
1690 goto shut;
1691
1692 mbuf[seen] = 0;
1693 }
1694 BIO_printf(sbio, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
1695 seen = BIO_read(sbio,sbuf,BUFSIZZ);
1696 sbuf[seen] = 0;
1697 if (!strstr(sbuf, "<proceed"))
1698 goto shut;
1699 mbuf[0] = 0;
1700 }
1701
1702 for (;;)
1703 {
1704 FD_ZERO(&readfds);
1705 FD_ZERO(&writefds);
1706
1707 if ((SSL_version(con) == DTLS1_VERSION) &&
1708 DTLSv1_get_timeout(con, &timeout))
1709 timeoutp = &timeout;
1710 else
1711 timeoutp = NULL;
1712
1713 if (SSL_in_init(con) && !SSL_total_renegotiations(con))
1714 {
1715 in_init=1;
1716 tty_on=0;
1717 }
1718 else
1719 {
1720 tty_on=1;
1721 if (in_init)
1722 {
1723 in_init=0;
1724 #if 0 /* This test doesn't really work as intended (needs to be fixed) */
1725 #ifndef OPENSSL_NO_TLSEXT
1726 if (servername != NULL && !SSL_session_reused(con))
1727 {
1728 BIO_printf(bio_c_out,"Server did %sacknowledge servername extension.\n",tlsextcbp.ack?"":"not ");
1729 }
1730 #endif
1731 #endif
1732 if (sess_out)
1733 {
1734 BIO *stmp = BIO_new_file(sess_out, "w");
1735 if (stmp)
1736 {
1737 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));
1738 BIO_free(stmp);
1739 }
1740 else
1741 BIO_printf(bio_err, "Error writing session file %s\n", sess_out);
1742 }
1743 if (c_brief)
1744 {
1745 BIO_puts(bio_err,
1746 "CONNECTION ESTABLISHED\n");
1747 print_ssl_summary(bio_err, con);
1748 }
1749 print_stuff(bio_c_out,con,full_log);
1750 if (full_log > 0) full_log--;
1751
1752 if (starttls_proto)
1753 {
1754 BIO_printf(bio_err,"%s",mbuf);
1755 /* We don't need to know any more */
1756 starttls_proto = PROTO_OFF;
1757 }
1758
1759 if (reconnect)
1760 {
1761 reconnect--;
1762 BIO_printf(bio_c_out,"drop connection and then reconnect\n");
1763 SSL_shutdown(con);
1764 SSL_set_connect_state(con);
1765 SHUTDOWN(SSL_get_fd(con));
1766 goto re_start;
1767 }
1768 }
1769 }
1770
1771 ssl_pending = read_ssl && SSL_pending(con);
1772
1773 if (!ssl_pending)
1774 {
1775 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined (OPENSSL_SYS_BEOS_R5)
1776 if (tty_on)
1777 {
1778 if (read_tty) openssl_fdset(fileno(stdin),&readfds);
1779 if (write_tty) openssl_fdset(fileno(stdout),&writefds);
1780 }
1781 if (read_ssl)
1782 openssl_fdset(SSL_get_fd(con),&readfds);
1783 if (write_ssl)
1784 openssl_fdset(SSL_get_fd(con),&writefds);
1785 #else
1786 if(!tty_on || !write_tty) {
1787 if (read_ssl)
1788 openssl_fdset(SSL_get_fd(con),&readfds);
1789 if (write_ssl)
1790 openssl_fdset(SSL_get_fd(con),&writefds);
1791 }
1792 #endif
1793 /* printf("mode tty(%d %d%d) ssl(%d%d)\n",
1794 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
1795
1796 /* Note: under VMS with SOCKETSHR the second parameter
1797 * is currently of type (int *) whereas under other
1798 * systems it is (void *) if you don't have a cast it
1799 * will choke the compiler: if you do have a cast then
1800 * you can either go for (int *) or (void *).
1801 */
1802 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1803 /* Under Windows/DOS we make the assumption that we can
1804 * always write to the tty: therefore if we need to
1805 * write to the tty we just fall through. Otherwise
1806 * we timeout the select every second and see if there
1807 * are any keypresses. Note: this is a hack, in a proper
1808 * Windows application we wouldn't do this.
1809 */
1810 i=0;
1811 if(!write_tty) {
1812 if(read_tty) {
1813 tv.tv_sec = 1;
1814 tv.tv_usec = 0;
1815 i=select(width,(void *)&readfds,(void *)&writefds,
1816 NULL,&tv);
1817 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1818 if(!i && (!_kbhit() || !read_tty) ) continue;
1819 #else
1820 if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue;
1821 #endif
1822 } else i=select(width,(void *)&readfds,(void *)&writefds,
1823 NULL,timeoutp);
1824 }
1825 #elif defined(OPENSSL_SYS_NETWARE)
1826 if(!write_tty) {
1827 if(read_tty) {
1828 tv.tv_sec = 1;
1829 tv.tv_usec = 0;
1830 i=select(width,(void *)&readfds,(void *)&writefds,
1831 NULL,&tv);
1832 } else i=select(width,(void *)&readfds,(void *)&writefds,
1833 NULL,timeoutp);
1834 }
1835 #elif defined(OPENSSL_SYS_BEOS_R5)
1836 /* Under BeOS-R5 the situation is similar to DOS */
1837 i=0;
1838 stdin_set = 0;
1839 (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
1840 if(!write_tty) {
1841 if(read_tty) {
1842 tv.tv_sec = 1;
1843 tv.tv_usec = 0;
1844 i=select(width,(void *)&readfds,(void *)&writefds,
1845 NULL,&tv);
1846 if (read(fileno(stdin), sbuf, 0) >= 0)
1847 stdin_set = 1;
1848 if (!i && (stdin_set != 1 || !read_tty))
1849 continue;
1850 } else i=select(width,(void *)&readfds,(void *)&writefds,
1851 NULL,timeoutp);
1852 }
1853 (void)fcntl(fileno(stdin), F_SETFL, 0);
1854 #else
1855 i=select(width,(void *)&readfds,(void *)&writefds,
1856 NULL,timeoutp);
1857 #endif
1858 if ( i < 0)
1859 {
1860 BIO_printf(bio_err,"bad select %d\n",
1861 get_last_socket_error());
1862 goto shut;
1863 /* goto end; */
1864 }
1865 }
1866
1867 if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
1868 {
1869 BIO_printf(bio_err,"TIMEOUT occurred\n");
1870 }
1871
1872 if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds))
1873 {
1874 k=SSL_write(con,&(cbuf[cbuf_off]),
1875 (unsigned int)cbuf_len);
1876 switch (SSL_get_error(con,k))
1877 {
1878 case SSL_ERROR_NONE:
1879 cbuf_off+=k;
1880 cbuf_len-=k;
1881 if (k <= 0) goto end;
1882 /* we have done a write(con,NULL,0); */
1883 if (cbuf_len <= 0)
1884 {
1885 read_tty=1;
1886 write_ssl=0;
1887 }
1888 else /* if (cbuf_len > 0) */
1889 {
1890 read_tty=0;
1891 write_ssl=1;
1892 }
1893 break;
1894 case SSL_ERROR_WANT_WRITE:
1895 BIO_printf(bio_c_out,"write W BLOCK\n");
1896 write_ssl=1;
1897 read_tty=0;
1898 break;
1899 case SSL_ERROR_WANT_READ:
1900 BIO_printf(bio_c_out,"write R BLOCK\n");
1901 write_tty=0;
1902 read_ssl=1;
1903 write_ssl=0;
1904 break;
1905 case SSL_ERROR_WANT_X509_LOOKUP:
1906 BIO_printf(bio_c_out,"write X BLOCK\n");
1907 break;
1908 case SSL_ERROR_ZERO_RETURN:
1909 if (cbuf_len != 0)
1910 {
1911 BIO_printf(bio_c_out,"shutdown\n");
1912 ret = 0;
1913 goto shut;
1914 }
1915 else
1916 {
1917 read_tty=1;
1918 write_ssl=0;
1919 break;
1920 }
1921
1922 case SSL_ERROR_SYSCALL:
1923 if ((k != 0) || (cbuf_len != 0))
1924 {
1925 BIO_printf(bio_err,"write:errno=%d\n",
1926 get_last_socket_error());
1927 goto shut;
1928 }
1929 else
1930 {
1931 read_tty=1;
1932 write_ssl=0;
1933 }
1934 break;
1935 case SSL_ERROR_SSL:
1936 ERR_print_errors(bio_err);
1937 goto shut;
1938 }
1939 }
1940 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
1941 /* Assume Windows/DOS/BeOS can always write */
1942 else if (!ssl_pending && write_tty)
1943 #else
1944 else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds))
1945 #endif
1946 {
1947 #ifdef CHARSET_EBCDIC
1948 ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len);
1949 #endif
1950 i=raw_write_stdout(&(sbuf[sbuf_off]),sbuf_len);
1951
1952 if (i <= 0)
1953 {
1954 BIO_printf(bio_c_out,"DONE\n");
1955 ret = 0;
1956 goto shut;
1957 /* goto end; */
1958 }
1959
1960 sbuf_len-=i;;
1961 sbuf_off+=i;
1962 if (sbuf_len <= 0)
1963 {
1964 read_ssl=1;
1965 write_tty=0;
1966 }
1967 }
1968 else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds))
1969 {
1970 #ifdef RENEG
1971 { static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } }
1972 #endif
1973 #if 1
1974 k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ );
1975 #else
1976 /* Demo for pending and peek :-) */
1977 k=SSL_read(con,sbuf,16);
1978 { char zbuf[10240];
1979 printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240));
1980 }
1981 #endif
1982
1983 switch (SSL_get_error(con,k))
1984 {
1985 case SSL_ERROR_NONE:
1986 if (k <= 0)
1987 goto end;
1988 sbuf_off=0;
1989 sbuf_len=k;
1990
1991 read_ssl=0;
1992 write_tty=1;
1993 break;
1994 case SSL_ERROR_WANT_WRITE:
1995 BIO_printf(bio_c_out,"read W BLOCK\n");
1996 write_ssl=1;
1997 read_tty=0;
1998 break;
1999 case SSL_ERROR_WANT_READ:
2000 BIO_printf(bio_c_out,"read R BLOCK\n");
2001 write_tty=0;
2002 read_ssl=1;
2003 if ((read_tty == 0) && (write_ssl == 0))
2004 write_ssl=1;
2005 break;
2006 case SSL_ERROR_WANT_X509_LOOKUP:
2007 BIO_printf(bio_c_out,"read X BLOCK\n");
2008 break;
2009 case SSL_ERROR_SYSCALL:
2010 ret=get_last_socket_error();
2011 if (c_brief)
2012 BIO_puts(bio_err, "CONNECTION CLOSED BY SERVER\n");
2013 else
2014 BIO_printf(bio_err,"read:errno=%d\n",ret);
2015 goto shut;
2016 case SSL_ERROR_ZERO_RETURN:
2017 BIO_printf(bio_c_out,"closed\n");
2018 ret=0;
2019 goto shut;
2020 case SSL_ERROR_SSL:
2021 ERR_print_errors(bio_err);
2022 goto shut;
2023 /* break; */
2024 }
2025 }
2026
2027 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2028 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
2029 else if (_kbhit())
2030 #else
2031 else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
2032 #endif
2033 #elif defined (OPENSSL_SYS_NETWARE)
2034 else if (_kbhit())
2035 #elif defined(OPENSSL_SYS_BEOS_R5)
2036 else if (stdin_set)
2037 #else
2038 else if (FD_ISSET(fileno(stdin),&readfds))
2039 #endif
2040 {
2041 if (crlf)
2042 {
2043 int j, lf_num;
2044
2045 i=raw_read_stdin(cbuf,BUFSIZZ/2);
2046 lf_num = 0;
2047 /* both loops are skipped when i <= 0 */
2048 for (j = 0; j < i; j++)
2049 if (cbuf[j] == '\n')
2050 lf_num++;
2051 for (j = i-1; j >= 0; j--)
2052 {
2053 cbuf[j+lf_num] = cbuf[j];
2054 if (cbuf[j] == '\n')
2055 {
2056 lf_num--;
2057 i++;
2058 cbuf[j+lf_num] = '\r';
2059 }
2060 }
2061 assert(lf_num == 0);
2062 }
2063 else
2064 i=raw_read_stdin(cbuf,BUFSIZZ);
2065
2066 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q')))
2067 {
2068 BIO_printf(bio_err,"DONE\n");
2069 ret=0;
2070 goto shut;
2071 }
2072
2073 if ((!c_ign_eof) && (cbuf[0] == 'R'))
2074 {
2075 BIO_printf(bio_err,"RENEGOTIATING\n");
2076 SSL_renegotiate(con);
2077 cbuf_len=0;
2078 }
2079 #ifndef OPENSSL_NO_HEARTBEATS
2080 else if ((!c_ign_eof) && (cbuf[0] == 'B'))
2081 {
2082 BIO_printf(bio_err,"HEARTBEATING\n");
2083 SSL_heartbeat(con);
2084 cbuf_len=0;
2085 }
2086 #endif
2087 else
2088 {
2089 cbuf_len=i;
2090 cbuf_off=0;
2091 #ifdef CHARSET_EBCDIC
2092 ebcdic2ascii(cbuf, cbuf, i);
2093 #endif
2094 }
2095
2096 write_ssl=1;
2097 read_tty=0;
2098 }
2099 }
2100
2101 ret=0;
2102 shut:
2103 if (in_init)
2104 print_stuff(bio_c_out,con,full_log);
2105 SSL_shutdown(con);
2106 SHUTDOWN(SSL_get_fd(con));
2107 end:
2108 if (con != NULL)
2109 {
2110 if (prexit != 0)
2111 print_stuff(bio_c_out,con,1);
2112 SSL_free(con);
2113 }
2114 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2115 if (next_proto.data)
2116 OPENSSL_free(next_proto.data);
2117 #endif
2118 if (ctx != NULL) SSL_CTX_free(ctx);
2119 if (cert)
2120 X509_free(cert);
2121 if (crls)
2122 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2123 if (key)
2124 EVP_PKEY_free(key);
2125 if (chain)
2126 sk_X509_pop_free(chain, X509_free);
2127 if (pass)
2128 OPENSSL_free(pass);
2129 if (vpm)
2130 X509_VERIFY_PARAM_free(vpm);
2131 ssl_excert_free(exc);
2132 if (ssl_args)
2133 sk_OPENSSL_STRING_free(ssl_args);
2134 if (cctx)
2135 SSL_CONF_CTX_free(cctx);
2136 #ifndef OPENSSL_NO_JPAKE
2137 if (jpake_secret && psk_key)
2138 OPENSSL_free(psk_key);
2139 #endif
2140 if (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); }
2141 if (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); }
2142 if (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); }
2143 if (bio_c_out != NULL)
2144 {
2145 BIO_free(bio_c_out);
2146 bio_c_out=NULL;
2147 }
2148 if (bio_c_msg != NULL)
2149 {
2150 BIO_free(bio_c_msg);
2151 bio_c_msg=NULL;
2152 }
2153 apps_shutdown();
2154 OPENSSL_EXIT(ret);
2155 }
2156
2157
2158 static void print_stuff(BIO *bio, SSL *s, int full)
2159 {
2160 X509 *peer=NULL;
2161 char *p;
2162 static const char *space=" ";
2163 char buf[BUFSIZ];
2164 STACK_OF(X509) *sk;
2165 STACK_OF(X509_NAME) *sk2;
2166 const SSL_CIPHER *c;
2167 X509_NAME *xn;
2168 int j,i;
2169 #ifndef OPENSSL_NO_COMP
2170 const COMP_METHOD *comp, *expansion;
2171 #endif
2172 unsigned char *exportedkeymat;
2173
2174 if (full)
2175 {
2176 int got_a_chain = 0;
2177
2178 sk=SSL_get_peer_cert_chain(s);
2179 if (sk != NULL)
2180 {
2181 got_a_chain = 1; /* we don't have it for SSL2 (yet) */
2182
2183 BIO_printf(bio,"---\nCertificate chain\n");
2184 for (i=0; i<sk_X509_num(sk); i++)
2185 {
2186 X509_NAME_oneline(X509_get_subject_name(
2187 sk_X509_value(sk,i)),buf,sizeof buf);
2188 BIO_printf(bio,"%2d s:%s\n",i,buf);
2189 X509_NAME_oneline(X509_get_issuer_name(
2190 sk_X509_value(sk,i)),buf,sizeof buf);
2191 BIO_printf(bio," i:%s\n",buf);
2192 if (c_showcerts)
2193 PEM_write_bio_X509(bio,sk_X509_value(sk,i));
2194 }
2195 }
2196
2197 BIO_printf(bio,"---\n");
2198 peer=SSL_get_peer_certificate(s);
2199 if (peer != NULL)
2200 {
2201 BIO_printf(bio,"Server certificate\n");
2202 if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */
2203 PEM_write_bio_X509(bio,peer);
2204 X509_NAME_oneline(X509_get_subject_name(peer),
2205 buf,sizeof buf);
2206 BIO_printf(bio,"subject=%s\n",buf);
2207 X509_NAME_oneline(X509_get_issuer_name(peer),
2208 buf,sizeof buf);
2209 BIO_printf(bio,"issuer=%s\n",buf);
2210 }
2211 else
2212 BIO_printf(bio,"no peer certificate available\n");
2213
2214 sk2=SSL_get_client_CA_list(s);
2215 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0))
2216 {
2217 BIO_printf(bio,"---\nAcceptable client certificate CA names\n");
2218 for (i=0; i<sk_X509_NAME_num(sk2); i++)
2219 {
2220 xn=sk_X509_NAME_value(sk2,i);
2221 X509_NAME_oneline(xn,buf,sizeof(buf));
2222 BIO_write(bio,buf,strlen(buf));
2223 BIO_write(bio,"\n",1);
2224 }
2225 }
2226 else
2227 {
2228 BIO_printf(bio,"---\nNo client certificate CA names sent\n");
2229 }
2230 p=SSL_get_shared_ciphers(s,buf,sizeof buf);
2231 if (p != NULL)
2232 {
2233 /* This works only for SSL 2. In later protocol
2234 * versions, the client does not know what other
2235 * ciphers (in addition to the one to be used
2236 * in the current connection) the server supports. */
2237
2238 BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n");
2239 j=i=0;
2240 while (*p)
2241 {
2242 if (*p == ':')
2243 {
2244 BIO_write(bio,space,15-j%25);
2245 i++;
2246 j=0;
2247 BIO_write(bio,((i%3)?" ":"\n"),1);
2248 }
2249 else
2250 {
2251 BIO_write(bio,p,1);
2252 j++;
2253 }
2254 p++;
2255 }
2256 BIO_write(bio,"\n",1);
2257 }
2258
2259 ssl_print_sigalgs(bio, s);
2260 ssl_print_tmp_key(bio, s);
2261
2262 BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n",
2263 BIO_number_read(SSL_get_rbio(s)),
2264 BIO_number_written(SSL_get_wbio(s)));
2265 }
2266 BIO_printf(bio,(SSL_cache_hit(s)?"---\nReused, ":"---\nNew, "));
2267 c=SSL_get_current_cipher(s);
2268 BIO_printf(bio,"%s, Cipher is %s\n",
2269 SSL_CIPHER_get_version(c),
2270 SSL_CIPHER_get_name(c));
2271 if (peer != NULL) {
2272 EVP_PKEY *pktmp;
2273 pktmp = X509_get_pubkey(peer);
2274 BIO_printf(bio,"Server public key is %d bit\n",
2275 EVP_PKEY_bits(pktmp));
2276 EVP_PKEY_free(pktmp);
2277 }
2278 BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
2279 SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
2280 #ifndef OPENSSL_NO_COMP
2281 comp=SSL_get_current_compression(s);
2282 expansion=SSL_get_current_expansion(s);
2283 BIO_printf(bio,"Compression: %s\n",
2284 comp ? SSL_COMP_get_name(comp) : "NONE");
2285 BIO_printf(bio,"Expansion: %s\n",
2286 expansion ? SSL_COMP_get_name(expansion) : "NONE");
2287 #endif
2288
2289 #ifdef SSL_DEBUG
2290 {
2291 /* Print out local port of connection: useful for debugging */
2292 int sock;
2293 struct sockaddr_in ladd;
2294 socklen_t ladd_size = sizeof(ladd);
2295 sock = SSL_get_fd(s);
2296 getsockname(sock, (struct sockaddr *)&ladd, &ladd_size);
2297 BIO_printf(bio_c_out, "LOCAL PORT is %u\n", ntohs(ladd.sin_port));
2298 }
2299 #endif
2300
2301 #if !defined(OPENSSL_NO_TLSEXT)
2302 # if !defined(OPENSSL_NO_NEXTPROTONEG)
2303 if (next_proto.status != -1) {
2304 const unsigned char *proto;
2305 unsigned int proto_len;
2306 SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
2307 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
2308 BIO_write(bio, proto, proto_len);
2309 BIO_write(bio, "\n", 1);
2310 }
2311 {
2312 const unsigned char *proto;
2313 unsigned int proto_len;
2314 SSL_get0_alpn_selected(s, &proto, &proto_len);
2315 if (proto_len > 0)
2316 {
2317 BIO_printf(bio, "ALPN protocol: ");
2318 BIO_write(bio, proto, proto_len);
2319 BIO_write(bio, "\n", 1);
2320 }
2321 else
2322 BIO_printf(bio, "No ALPN negotiated\n");
2323 }
2324 # endif
2325 #endif
2326
2327 {
2328 SRTP_PROTECTION_PROFILE *srtp_profile=SSL_get_selected_srtp_profile(s);
2329
2330 if(srtp_profile)
2331 BIO_printf(bio,"SRTP Extension negotiated, profile=%s\n",
2332 srtp_profile->name);
2333 }
2334
2335 SSL_SESSION_print(bio,SSL_get_session(s));
2336 if (keymatexportlabel != NULL)
2337 {
2338 BIO_printf(bio, "Keying material exporter:\n");
2339 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel);
2340 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen);
2341 exportedkeymat = OPENSSL_malloc(keymatexportlen);
2342 if (exportedkeymat != NULL)
2343 {
2344 if (!SSL_export_keying_material(s, exportedkeymat,
2345 keymatexportlen,
2346 keymatexportlabel,
2347 strlen(keymatexportlabel),
2348 NULL, 0, 0))
2349 {
2350 BIO_printf(bio, " Error\n");
2351 }
2352 else
2353 {
2354 BIO_printf(bio, " Keying material: ");
2355 for (i=0; i<keymatexportlen; i++)
2356 BIO_printf(bio, "%02X",
2357 exportedkeymat[i]);
2358 BIO_printf(bio, "\n");
2359 }
2360 OPENSSL_free(exportedkeymat);
2361 }
2362 }
2363 BIO_printf(bio,"---\n");
2364 if (peer != NULL)
2365 X509_free(peer);
2366 /* flush, or debugging output gets mixed with http response */
2367 (void)BIO_flush(bio);
2368 }
2369
2370 #ifndef OPENSSL_NO_TLSEXT
2371
2372 static int ocsp_resp_cb(SSL *s, void *arg)
2373 {
2374 const unsigned char *p;
2375 int len;
2376 OCSP_RESPONSE *rsp;
2377 len = SSL_get_tlsext_status_ocsp_resp(s, &p);
2378 BIO_puts(arg, "OCSP response: ");
2379 if (!p)
2380 {
2381 BIO_puts(arg, "no response sent\n");
2382 return 1;
2383 }
2384 rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
2385 if (!rsp)
2386 {
2387 BIO_puts(arg, "response parse error\n");
2388 BIO_dump_indent(arg, (char *)p, len, 4);
2389 return 0;
2390 }
2391 BIO_puts(arg, "\n======================================\n");
2392 OCSP_RESPONSE_print(arg, rsp, 0);
2393 BIO_puts(arg, "======================================\n");
2394 OCSP_RESPONSE_free(rsp);
2395 return 1;
2396 }
2397
2398 static int audit_proof_cb(SSL *s, void *arg)
2399 {
2400 const unsigned char *proof;
2401 size_t proof_len;
2402 size_t i;
2403 SSL_SESSION *sess = SSL_get_session(s);
2404
2405 proof = SSL_SESSION_get_tlsext_authz_server_audit_proof(sess,
2406 &proof_len);
2407 if (proof != NULL)
2408 {
2409 BIO_printf(bio_c_out, "Audit proof: ");
2410 for (i = 0; i < proof_len; ++i)
2411 BIO_printf(bio_c_out, "%02X", proof[i]);
2412 BIO_printf(bio_c_out, "\n");
2413 }
2414 else
2415 {
2416 BIO_printf(bio_c_out, "No audit proof found.\n");
2417 }
2418 return 1;
2419 }
2420 #endif
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