]> git.ipfire.org Git - thirdparty/openssl.git/blob - apps/s_client.c
projects / thirdparty / openssl.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
blame | history | raw | HEAD
Further comment changes for reformat
[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 #endif
206 static int c_msg=0;
207 static int c_showcerts=0;
208
209 static char *keymatexportlabel=NULL;
210 static int keymatexportlen=20;
211
212 static void sc_usage(void);
213 static void print_stuff(BIO *berr,SSL *con,int full);
214 #ifndef OPENSSL_NO_TLSEXT
215 static int ocsp_resp_cb(SSL *s, void *arg);
216 #endif
217 static BIO *bio_c_out=NULL;
218 static int c_quiet=0;
219 static int c_ign_eof=0;
220
221 #ifndef OPENSSL_NO_PSK
222 /* Default PSK identity and key */
223 static char *psk_identity="Client_identity";
224 /*char *psk_key=NULL; by default PSK is not used */
225
226 static unsigned int psk_client_cb(SSL *ssl, const char *hint, char *identity,
227 unsigned int max_identity_len, unsigned char *psk,
228 unsigned int max_psk_len)
229 {
230 unsigned int psk_len = 0;
231 int ret;
232 BIGNUM *bn=NULL;
233
234 if (c_debug)
235 BIO_printf(bio_c_out, "psk_client_cb\n");
236 if (!hint)
237 {
238 /* no ServerKeyExchange message*/
239 if (c_debug)
240 BIO_printf(bio_c_out,"NULL received PSK identity hint, continuing anyway\n");
241 }
242 else if (c_debug)
243 BIO_printf(bio_c_out, "Received PSK identity hint '%s'\n", hint);
244
245 /* lookup PSK identity and PSK key based on the given identity hint here */
246 ret = BIO_snprintf(identity, max_identity_len, "%s", psk_identity);
247 if (ret < 0 || (unsigned int)ret > max_identity_len)
248 goto out_err;
249 if (c_debug)
250 BIO_printf(bio_c_out, "created identity '%s' len=%d\n", identity, ret);
251 ret=BN_hex2bn(&bn, psk_key);
252 if (!ret)
253 {
254 BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key);
255 if (bn)
256 BN_free(bn);
257 return 0;
258 }
259
260 if ((unsigned int)BN_num_bytes(bn) > max_psk_len)
261 {
262 BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n",
263 max_psk_len, BN_num_bytes(bn));
264 BN_free(bn);
265 return 0;
266 }
267
268 psk_len=BN_bn2bin(bn, psk);
269 BN_free(bn);
270 if (psk_len == 0)
271 goto out_err;
272
273 if (c_debug)
274 BIO_printf(bio_c_out, "created PSK len=%d\n", psk_len);
275
276 return psk_len;
277 out_err:
278 if (c_debug)
279 BIO_printf(bio_err, "Error in PSK client callback\n");
280 return 0;
281 }
282 #endif
283
284 static void sc_usage(void)
285 {
286 BIO_printf(bio_err,"usage: s_client args\n");
287 BIO_printf(bio_err,"\n");
288 BIO_printf(bio_err," -host host - use -connect instead\n");
289 BIO_printf(bio_err," -port port - use -connect instead\n");
290 BIO_printf(bio_err," -connect host:port - who to connect to (default is %s:%s)\n",SSL_HOST_NAME,PORT_STR);
291
292 BIO_printf(bio_err," -verify arg - turn on peer certificate verification\n");
293 BIO_printf(bio_err," -verify_return_error - return verification errors\n");
294 BIO_printf(bio_err," -cert arg - certificate file to use, PEM format assumed\n");
295 BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
296 BIO_printf(bio_err," -key arg - Private key file to use, in cert file if\n");
297 BIO_printf(bio_err," not specified but cert file is.\n");
298 BIO_printf(bio_err," -keyform arg - key format (PEM or DER) PEM default\n");
299 BIO_printf(bio_err," -pass arg - private key file pass phrase source\n");
300 BIO_printf(bio_err," -CApath arg - PEM format directory of CA's\n");
301 BIO_printf(bio_err," -CAfile arg - PEM format file of CA's\n");
302 BIO_printf(bio_err," -reconnect - Drop and re-make the connection with the same Session-ID\n");
303 BIO_printf(bio_err," -pause - sleep(1) after each read(2) and write(2) system call\n");
304 BIO_printf(bio_err," -prexit - print session information even on connection failure\n");
305 BIO_printf(bio_err," -showcerts - show all certificates in the chain\n");
306 BIO_printf(bio_err," -debug - extra output\n");
307 #ifdef WATT32
308 BIO_printf(bio_err," -wdebug - WATT-32 tcp debugging\n");
309 #endif
310 BIO_printf(bio_err," -msg - Show protocol messages\n");
311 BIO_printf(bio_err," -nbio_test - more ssl protocol testing\n");
312 BIO_printf(bio_err," -state - print the 'ssl' states\n");
313 #ifdef FIONBIO
314 BIO_printf(bio_err," -nbio - Run with non-blocking IO\n");
315 #endif
316 BIO_printf(bio_err," -crlf - convert LF from terminal into CRLF\n");
317 BIO_printf(bio_err," -quiet - no s_client output\n");
318 BIO_printf(bio_err," -ign_eof - ignore input eof (default when -quiet)\n");
319 BIO_printf(bio_err," -no_ign_eof - don't ignore input eof\n");
320 #ifndef OPENSSL_NO_PSK
321 BIO_printf(bio_err," -psk_identity arg - PSK identity\n");
322 BIO_printf(bio_err," -psk arg - PSK in hex (without 0x)\n");
323 # ifndef OPENSSL_NO_JPAKE
324 BIO_printf(bio_err," -jpake arg - JPAKE secret to use\n");
325 # endif
326 #endif
327 #ifndef OPENSSL_NO_SRP
328 BIO_printf(bio_err," -srpuser user - SRP authentification for 'user'\n");
329 BIO_printf(bio_err," -srppass arg - password for 'user'\n");
330 BIO_printf(bio_err," -srp_lateuser - SRP username into second ClientHello message\n");
331 BIO_printf(bio_err," -srp_moregroups - Tolerate other than the known g N values.\n");
332 BIO_printf(bio_err," -srp_strength int - minimal length in bits for N (default %d).\n",SRP_MINIMAL_N);
333 #endif
334 BIO_printf(bio_err," -ssl2 - just use SSLv2\n");
335 #ifndef OPENSSL_NO_SSL3_METHOD
336 BIO_printf(bio_err," -ssl3 - just use SSLv3\n");
337 #endif
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," -fallback_scsv - send TLS_FALLBACK_SCSV\n");
343 BIO_printf(bio_err," -mtu - set the link layer MTU\n");
344 BIO_printf(bio_err," -no_tls1_2/-no_tls1_1/-no_tls1/-no_ssl3/-no_ssl2 - turn off that protocol\n");
345 BIO_printf(bio_err," -bugs - Switch on all SSL implementation bug workarounds\n");
346 BIO_printf(bio_err," -serverpref - Use server's cipher preferences (only SSLv2)\n");
347 BIO_printf(bio_err," -cipher - preferred cipher to use, use the 'openssl ciphers'\n");
348 BIO_printf(bio_err," command to see what is available\n");
349 BIO_printf(bio_err," -starttls prot - use the STARTTLS command before starting TLS\n");
350 BIO_printf(bio_err," for those protocols that support it, where\n");
351 BIO_printf(bio_err," 'prot' defines which one to assume. Currently,\n");
352 BIO_printf(bio_err," only \"smtp\", \"pop3\", \"imap\", \"ftp\" and \"xmpp\"\n");
353 BIO_printf(bio_err," are supported.\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 # ifndef OPENSSL_NO_NEXTPROTONEG
366 BIO_printf(bio_err," -nextprotoneg arg - enable NPN extension, considering named protocols supported (comma-separated list)\n");
367 # endif
368 #endif
369 BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
370 #ifndef OPENSSL_NO_SRTP
371 BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
372 #endif
373 BIO_printf(bio_err," -keymatexport label - Export keying material using label\n");
374 BIO_printf(bio_err," -keymatexportlen len - Export len bytes of keying material (default 20)\n");
375 }
376
377 #ifndef OPENSSL_NO_TLSEXT
378
379 /* This is a context that we pass to callbacks */
380 typedef struct tlsextctx_st {
381 BIO * biodebug;
382 int ack;
383 } tlsextctx;
384
385
386 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
387 {
388 tlsextctx * p = (tlsextctx *) arg;
389 const char * hn= SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
390 if (SSL_get_servername_type(s) != -1)
391 p->ack = !SSL_session_reused(s) && hn != NULL;
392 else
393 BIO_printf(bio_err,"Can't use SSL_get_servername\n");
394
395 return SSL_TLSEXT_ERR_OK;
396 }
397
398 #ifndef OPENSSL_NO_SRP
399
400 /* This is a context that we pass to all callbacks */
401 typedef struct srp_arg_st
402 {
403 char *srppassin;
404 char *srplogin;
405 int msg; /* copy from c_msg */
406 int debug; /* copy from c_debug */
407 int amp; /* allow more groups */
408 int strength /* minimal size for N */ ;
409 } SRP_ARG;
410
411 #define SRP_NUMBER_ITERATIONS_FOR_PRIME 64
412
413 static int srp_Verify_N_and_g(BIGNUM *N, BIGNUM *g)
414 {
415 BN_CTX *bn_ctx = BN_CTX_new();
416 BIGNUM *p = BN_new();
417 BIGNUM *r = BN_new();
418 int ret =
419 g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) &&
420 BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
421 p != NULL && BN_rshift1(p, N) &&
422
423 /* p = (N-1)/2 */
424 BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
425 r != NULL &&
426
427 /* verify g^((N-1)/2) == -1 (mod N) */
428 BN_mod_exp(r, g, p, N, bn_ctx) &&
429 BN_add_word(r, 1) &&
430 BN_cmp(r, N) == 0;
431
432 if(r)
433 BN_free(r);
434 if(p)
435 BN_free(p);
436 if(bn_ctx)
437 BN_CTX_free(bn_ctx);
438 return ret;
439 }
440
441 /*-
442 * This callback is used here for two purposes:
443 * - extended debugging
444 * - making some primality tests for unknown groups
445 * The callback is only called for a non default group.
446 *
447 * An application does not need the call back at all if
448 * only the stanard groups are used. In real life situations,
449 * client and server already share well known groups,
450 * thus there is no need to verify them.
451 * Furthermore, in case that a server actually proposes a group that
452 * is not one of those defined in RFC 5054, it is more appropriate
453 * to add the group to a static list and then compare since
454 * primality tests are rather cpu consuming.
455 */
456
457 static int MS_CALLBACK ssl_srp_verify_param_cb(SSL *s, void *arg)
458 {
459 SRP_ARG *srp_arg = (SRP_ARG *)arg;
460 BIGNUM *N = NULL, *g = NULL;
461 if (!(N = SSL_get_srp_N(s)) || !(g = SSL_get_srp_g(s)))
462 return 0;
463 if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1)
464 {
465 BIO_printf(bio_err, "SRP parameters:\n");
466 BIO_printf(bio_err,"\tN="); BN_print(bio_err,N);
467 BIO_printf(bio_err,"\n\tg="); BN_print(bio_err,g);
468 BIO_printf(bio_err,"\n");
469 }
470
471 if (SRP_check_known_gN_param(g,N))
472 return 1;
473
474 if (srp_arg->amp == 1)
475 {
476 if (srp_arg->debug)
477 BIO_printf(bio_err, "SRP param N and g are not known params, going to check deeper.\n");
478
479 /* The srp_moregroups is a real debugging feature.
480 Implementors should rather add the value to the known ones.
481 The minimal size has already been tested.
482 */
483 if (BN_num_bits(g) <= BN_BITS && srp_Verify_N_and_g(N,g))
484 return 1;
485 }
486 BIO_printf(bio_err, "SRP param N and g rejected.\n");
487 return 0;
488 }
489
490 #define PWD_STRLEN 1024
491
492 static char * MS_CALLBACK ssl_give_srp_client_pwd_cb(SSL *s, void *arg)
493 {
494 SRP_ARG *srp_arg = (SRP_ARG *)arg;
495 char *pass = (char *)OPENSSL_malloc(PWD_STRLEN+1);
496 PW_CB_DATA cb_tmp;
497 int l;
498
499 cb_tmp.password = (char *)srp_arg->srppassin;
500 cb_tmp.prompt_info = "SRP user";
501 if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp))<0)
502 {
503 BIO_printf (bio_err, "Can't read Password\n");
504 OPENSSL_free(pass);
505 return NULL;
506 }
507 *(pass+l)= '\0';
508
509 return pass;
510 }
511
512 #endif
513 #ifndef OPENSSL_NO_SRTP
514 char *srtp_profiles = NULL;
515 #endif
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 #endif
551
552 enum
553 {
554 PROTO_OFF = 0,
555 PROTO_SMTP,
556 PROTO_POP3,
557 PROTO_IMAP,
558 PROTO_FTP,
559 PROTO_XMPP
560 };
561
562 int MAIN(int, char **);
563
564 int MAIN(int argc, char **argv)
565 {
566 unsigned int off=0, clr=0;
567 SSL *con=NULL;
568 #ifndef OPENSSL_NO_KRB5
569 KSSL_CTX *kctx;
570 #endif
571 int s,k,width,state=0;
572 char *cbuf=NULL,*sbuf=NULL,*mbuf=NULL;
573 int cbuf_len,cbuf_off;
574 int sbuf_len,sbuf_off;
575 fd_set readfds,writefds;
576 short port=PORT;
577 int full_log=1;
578 char *host=SSL_HOST_NAME;
579 char *cert_file=NULL,*key_file=NULL;
580 int cert_format = FORMAT_PEM, key_format = FORMAT_PEM;
581 char *passarg = NULL, *pass = NULL;
582 X509 *cert = NULL;
583 EVP_PKEY *key = NULL;
584 char *CApath=NULL,*CAfile=NULL,*cipher=NULL;
585 int reconnect=0,badop=0,verify=SSL_VERIFY_NONE,bugs=0;
586 int crlf=0;
587 int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending;
588 SSL_CTX *ctx=NULL;
589 int ret=1,in_init=1,i,nbio_test=0;
590 int starttls_proto = PROTO_OFF;
591 int prexit = 0;
592 X509_VERIFY_PARAM *vpm = NULL;
593 int badarg = 0;
594 const SSL_METHOD *meth=NULL;
595 int socket_type=SOCK_STREAM;
596 BIO *sbio;
597 char *inrand=NULL;
598 int mbuf_len=0;
599 struct timeval timeout, *timeoutp;
600 #ifndef OPENSSL_NO_ENGINE
601 char *engine_id=NULL;
602 char *ssl_client_engine_id=NULL;
603 ENGINE *ssl_client_engine=NULL;
604 #endif
605 ENGINE *e=NULL;
606 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
607 struct timeval tv;
608 #if defined(OPENSSL_SYS_BEOS_R5)
609 int stdin_set = 0;
610 #endif
611 #endif
612 #ifndef OPENSSL_NO_TLSEXT
613 char *servername = NULL;
614 tlsextctx tlsextcbp =
615 {NULL,0};
616 # ifndef OPENSSL_NO_NEXTPROTONEG
617 const char *next_proto_neg_in = NULL;
618 # endif
619 #endif
620 char *sess_in = NULL;
621 char *sess_out = NULL;
622 struct sockaddr peer;
623 int peerlen = sizeof(peer);
624 int fallback_scsv = 0;
625 int enable_timeouts = 0 ;
626 long socket_mtu = 0;
627 #ifndef OPENSSL_NO_JPAKE
628 char *jpake_secret = NULL;
629 #endif
630 #ifndef OPENSSL_NO_SRP
631 char * srppass = NULL;
632 int srp_lateuser = 0;
633 SRP_ARG srp_arg = {NULL,NULL,0,0,0,1024};
634 #endif
635
636 meth=SSLv23_client_method();
637
638 apps_startup();
639 c_Pause=0;
640 c_quiet=0;
641 c_ign_eof=0;
642 c_debug=0;
643 c_msg=0;
644 c_showcerts=0;
645
646 if (bio_err == NULL)
647 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
648
649 if (!load_config(bio_err, NULL))
650 goto end;
651
652 if ( ((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
653 ((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
654 ((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL))
655 {
656 BIO_printf(bio_err,"out of memory\n");
657 goto end;
658 }
659
660 verify_depth=0;
661 verify_error=X509_V_OK;
662 #ifdef FIONBIO
663 c_nbio=0;
664 #endif
665
666 argc--;
667 argv++;
668 while (argc >= 1)
669 {
670 if (strcmp(*argv,"-host") == 0)
671 {
672 if (--argc < 1) goto bad;
673 host= *(++argv);
674 }
675 else if (strcmp(*argv,"-port") == 0)
676 {
677 if (--argc < 1) goto bad;
678 port=atoi(*(++argv));
679 if (port == 0) goto bad;
680 }
681 else if (strcmp(*argv,"-connect") == 0)
682 {
683 if (--argc < 1) goto bad;
684 if (!extract_host_port(*(++argv),&host,NULL,&port))
685 goto bad;
686 }
687 else if (strcmp(*argv,"-verify") == 0)
688 {
689 verify=SSL_VERIFY_PEER;
690 if (--argc < 1) goto bad;
691 verify_depth=atoi(*(++argv));
692 BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
693 }
694 else if (strcmp(*argv,"-cert") == 0)
695 {
696 if (--argc < 1) goto bad;
697 cert_file= *(++argv);
698 }
699 else if (strcmp(*argv,"-sess_out") == 0)
700 {
701 if (--argc < 1) goto bad;
702 sess_out = *(++argv);
703 }
704 else if (strcmp(*argv,"-sess_in") == 0)
705 {
706 if (--argc < 1) goto bad;
707 sess_in = *(++argv);
708 }
709 else if (strcmp(*argv,"-certform") == 0)
710 {
711 if (--argc < 1) goto bad;
712 cert_format = str2fmt(*(++argv));
713 }
714 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
715 {
716 if (badarg)
717 goto bad;
718 continue;
719 }
720 else if (strcmp(*argv,"-verify_return_error") == 0)
721 verify_return_error = 1;
722 else if (strcmp(*argv,"-prexit") == 0)
723 prexit=1;
724 else if (strcmp(*argv,"-crlf") == 0)
725 crlf=1;
726 else if (strcmp(*argv,"-quiet") == 0)
727 {
728 c_quiet=1;
729 c_ign_eof=1;
730 }
731 else if (strcmp(*argv,"-ign_eof") == 0)
732 c_ign_eof=1;
733 else if (strcmp(*argv,"-no_ign_eof") == 0)
734 c_ign_eof=0;
735 else if (strcmp(*argv,"-pause") == 0)
736 c_Pause=1;
737 else if (strcmp(*argv,"-debug") == 0)
738 c_debug=1;
739 #ifndef OPENSSL_NO_TLSEXT
740 else if (strcmp(*argv,"-tlsextdebug") == 0)
741 c_tlsextdebug=1;
742 else if (strcmp(*argv,"-status") == 0)
743 c_status_req=1;
744 #endif
745 #ifdef WATT32
746 else if (strcmp(*argv,"-wdebug") == 0)
747 dbug_init();
748 #endif
749 else if (strcmp(*argv,"-msg") == 0)
750 c_msg=1;
751 else if (strcmp(*argv,"-showcerts") == 0)
752 c_showcerts=1;
753 else if (strcmp(*argv,"-nbio_test") == 0)
754 nbio_test=1;
755 else if (strcmp(*argv,"-state") == 0)
756 state=1;
757 #ifndef OPENSSL_NO_PSK
758 else if (strcmp(*argv,"-psk_identity") == 0)
759 {
760 if (--argc < 1) goto bad;
761 psk_identity=*(++argv);
762 }
763 else if (strcmp(*argv,"-psk") == 0)
764 {
765 size_t j;
766
767 if (--argc < 1) goto bad;
768 psk_key=*(++argv);
769 for (j = 0; j < strlen(psk_key); j++)
770 {
771 if (isxdigit((unsigned char)psk_key[j]))
772 continue;
773 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
774 goto bad;
775 }
776 }
777 #endif
778 #ifndef OPENSSL_NO_SRP
779 else if (strcmp(*argv,"-srpuser") == 0)
780 {
781 if (--argc < 1) goto bad;
782 srp_arg.srplogin= *(++argv);
783 meth=TLSv1_client_method();
784 }
785 else if (strcmp(*argv,"-srppass") == 0)
786 {
787 if (--argc < 1) goto bad;
788 srppass= *(++argv);
789 meth=TLSv1_client_method();
790 }
791 else if (strcmp(*argv,"-srp_strength") == 0)
792 {
793 if (--argc < 1) goto bad;
794 srp_arg.strength=atoi(*(++argv));
795 BIO_printf(bio_err,"SRP minimal length for N is %d\n",srp_arg.strength);
796 meth=TLSv1_client_method();
797 }
798 else if (strcmp(*argv,"-srp_lateuser") == 0)
799 {
800 srp_lateuser= 1;
801 meth=TLSv1_client_method();
802 }
803 else if (strcmp(*argv,"-srp_moregroups") == 0)
804 {
805 srp_arg.amp=1;
806 meth=TLSv1_client_method();
807 }
808 #endif
809 #ifndef OPENSSL_NO_SSL2
810 else if (strcmp(*argv,"-ssl2") == 0)
811 meth=SSLv2_client_method();
812 #endif
813 #ifndef OPENSSL_NO_SSL3_METHOD
814 else if (strcmp(*argv,"-ssl3") == 0)
815 meth=SSLv3_client_method();
816 #endif
817 #ifndef OPENSSL_NO_TLS1
818 else if (strcmp(*argv,"-tls1_2") == 0)
819 meth=TLSv1_2_client_method();
820 else if (strcmp(*argv,"-tls1_1") == 0)
821 meth=TLSv1_1_client_method();
822 else if (strcmp(*argv,"-tls1") == 0)
823 meth=TLSv1_client_method();
824 #endif
825 #ifndef OPENSSL_NO_DTLS1
826 else if (strcmp(*argv,"-dtls1") == 0)
827 {
828 meth=DTLSv1_client_method();
829 socket_type=SOCK_DGRAM;
830 }
831 else if (strcmp(*argv,"-fallback_scsv") == 0)
832 {
833 fallback_scsv = 1;
834 }
835 else if (strcmp(*argv,"-timeout") == 0)
836 enable_timeouts=1;
837 else if (strcmp(*argv,"-mtu") == 0)
838 {
839 if (--argc < 1) goto bad;
840 socket_mtu = atol(*(++argv));
841 }
842 #endif
843 else if (strcmp(*argv,"-bugs") == 0)
844 bugs=1;
845 else if (strcmp(*argv,"-keyform") == 0)
846 {
847 if (--argc < 1) goto bad;
848 key_format = str2fmt(*(++argv));
849 }
850 else if (strcmp(*argv,"-pass") == 0)
851 {
852 if (--argc < 1) goto bad;
853 passarg = *(++argv);
854 }
855 else if (strcmp(*argv,"-key") == 0)
856 {
857 if (--argc < 1) goto bad;
858 key_file= *(++argv);
859 }
860 else if (strcmp(*argv,"-reconnect") == 0)
861 {
862 reconnect=5;
863 }
864 else if (strcmp(*argv,"-CApath") == 0)
865 {
866 if (--argc < 1) goto bad;
867 CApath= *(++argv);
868 }
869 else if (strcmp(*argv,"-CAfile") == 0)
870 {
871 if (--argc < 1) goto bad;
872 CAfile= *(++argv);
873 }
874 else if (strcmp(*argv,"-no_tls1_2") == 0)
875 off|=SSL_OP_NO_TLSv1_2;
876 else if (strcmp(*argv,"-no_tls1_1") == 0)
877 off|=SSL_OP_NO_TLSv1_1;
878 else if (strcmp(*argv,"-no_tls1") == 0)
879 off|=SSL_OP_NO_TLSv1;
880 else if (strcmp(*argv,"-no_ssl3") == 0)
881 off|=SSL_OP_NO_SSLv3;
882 else if (strcmp(*argv,"-no_ssl2") == 0)
883 off|=SSL_OP_NO_SSLv2;
884 else if (strcmp(*argv,"-no_comp") == 0)
885 { off|=SSL_OP_NO_COMPRESSION; }
886 #ifndef OPENSSL_NO_TLSEXT
887 else if (strcmp(*argv,"-no_ticket") == 0)
888 { off|=SSL_OP_NO_TICKET; }
889 # ifndef OPENSSL_NO_NEXTPROTONEG
890 else if (strcmp(*argv,"-nextprotoneg") == 0)
891 {
892 if (--argc < 1) goto bad;
893 next_proto_neg_in = *(++argv);
894 }
895 # endif
896 #endif
897 else if (strcmp(*argv,"-serverpref") == 0)
898 off|=SSL_OP_CIPHER_SERVER_PREFERENCE;
899 else if (strcmp(*argv,"-legacy_renegotiation") == 0)
900 off|=SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION;
901 else if (strcmp(*argv,"-legacy_server_connect") == 0)
902 { off|=SSL_OP_LEGACY_SERVER_CONNECT; }
903 else if (strcmp(*argv,"-no_legacy_server_connect") == 0)
904 { clr|=SSL_OP_LEGACY_SERVER_CONNECT; }
905 else if (strcmp(*argv,"-cipher") == 0)
906 {
907 if (--argc < 1) goto bad;
908 cipher= *(++argv);
909 }
910 #ifdef FIONBIO
911 else if (strcmp(*argv,"-nbio") == 0)
912 { c_nbio=1; }
913 #endif
914 else if (strcmp(*argv,"-starttls") == 0)
915 {
916 if (--argc < 1) goto bad;
917 ++argv;
918 if (strcmp(*argv,"smtp") == 0)
919 starttls_proto = PROTO_SMTP;
920 else if (strcmp(*argv,"pop3") == 0)
921 starttls_proto = PROTO_POP3;
922 else if (strcmp(*argv,"imap") == 0)
923 starttls_proto = PROTO_IMAP;
924 else if (strcmp(*argv,"ftp") == 0)
925 starttls_proto = PROTO_FTP;
926 else if (strcmp(*argv, "xmpp") == 0)
927 starttls_proto = PROTO_XMPP;
928 else
929 goto bad;
930 }
931 #ifndef OPENSSL_NO_ENGINE
932 else if (strcmp(*argv,"-engine") == 0)
933 {
934 if (--argc < 1) goto bad;
935 engine_id = *(++argv);
936 }
937 else if (strcmp(*argv,"-ssl_client_engine") == 0)
938 {
939 if (--argc < 1) goto bad;
940 ssl_client_engine_id = *(++argv);
941 }
942 #endif
943 else if (strcmp(*argv,"-rand") == 0)
944 {
945 if (--argc < 1) goto bad;
946 inrand= *(++argv);
947 }
948 #ifndef OPENSSL_NO_TLSEXT
949 else if (strcmp(*argv,"-servername") == 0)
950 {
951 if (--argc < 1) goto bad;
952 servername= *(++argv);
953 /* meth=TLSv1_client_method(); */
954 }
955 #endif
956 #ifndef OPENSSL_NO_JPAKE
957 else if (strcmp(*argv,"-jpake") == 0)
958 {
959 if (--argc < 1) goto bad;
960 jpake_secret = *++argv;
961 }
962 #endif
963 #ifndef OPENSSL_NO_SRTP
964 else if (strcmp(*argv,"-use_srtp") == 0)
965 {
966 if (--argc < 1) goto bad;
967 srtp_profiles = *(++argv);
968 }
969 #endif
970 else if (strcmp(*argv,"-keymatexport") == 0)
971 {
972 if (--argc < 1) goto bad;
973 keymatexportlabel= *(++argv);
974 }
975 else if (strcmp(*argv,"-keymatexportlen") == 0)
976 {
977 if (--argc < 1) goto bad;
978 keymatexportlen=atoi(*(++argv));
979 if (keymatexportlen == 0) goto bad;
980 }
981 else
982 {
983 BIO_printf(bio_err,"unknown option %s\n",*argv);
984 badop=1;
985 break;
986 }
987 argc--;
988 argv++;
989 }
990 if (badop)
991 {
992 bad:
993 sc_usage();
994 goto end;
995 }
996
997 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
998 if (jpake_secret)
999 {
1000 if (psk_key)
1001 {
1002 BIO_printf(bio_err,
1003 "Can't use JPAKE and PSK together\n");
1004 goto end;
1005 }
1006 psk_identity = "JPAKE";
1007 if (cipher)
1008 {
1009 BIO_printf(bio_err, "JPAKE sets cipher to PSK\n");
1010 goto end;
1011 }
1012 cipher = "PSK";
1013 }
1014 #endif
1015
1016 OpenSSL_add_ssl_algorithms();
1017 SSL_load_error_strings();
1018
1019 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
1020 next_proto.status = -1;
1021 if (next_proto_neg_in)
1022 {
1023 next_proto.data = next_protos_parse(&next_proto.len, next_proto_neg_in);
1024 if (next_proto.data == NULL)
1025 {
1026 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n");
1027 goto end;
1028 }
1029 }
1030 else
1031 next_proto.data = NULL;
1032 #endif
1033
1034 #ifndef OPENSSL_NO_ENGINE
1035 e = setup_engine(bio_err, engine_id, 1);
1036 if (ssl_client_engine_id)
1037 {
1038 ssl_client_engine = ENGINE_by_id(ssl_client_engine_id);
1039 if (!ssl_client_engine)
1040 {
1041 BIO_printf(bio_err,
1042 "Error getting client auth engine\n");
1043 goto end;
1044 }
1045 }
1046
1047 #endif
1048 if (!app_passwd(bio_err, passarg, NULL, &pass, NULL))
1049 {
1050 BIO_printf(bio_err, "Error getting password\n");
1051 goto end;
1052 }
1053
1054 if (key_file == NULL)
1055 key_file = cert_file;
1056
1057
1058 if (key_file)
1059
1060 {
1061
1062 key = load_key(bio_err, key_file, key_format, 0, pass, e,
1063 "client certificate private key file");
1064 if (!key)
1065 {
1066 ERR_print_errors(bio_err);
1067 goto end;
1068 }
1069
1070 }
1071
1072 if (cert_file)
1073
1074 {
1075 cert = load_cert(bio_err,cert_file,cert_format,
1076 NULL, e, "client certificate file");
1077
1078 if (!cert)
1079 {
1080 ERR_print_errors(bio_err);
1081 goto end;
1082 }
1083 }
1084
1085 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1086 && !RAND_status())
1087 {
1088 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
1089 }
1090 if (inrand != NULL)
1091 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
1092 app_RAND_load_files(inrand));
1093
1094 if (bio_c_out == NULL)
1095 {
1096 if (c_quiet && !c_debug && !c_msg)
1097 {
1098 bio_c_out=BIO_new(BIO_s_null());
1099 }
1100 else
1101 {
1102 if (bio_c_out == NULL)
1103 bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE);
1104 }
1105 }
1106
1107 #ifndef OPENSSL_NO_SRP
1108 if(!app_passwd(bio_err, srppass, NULL, &srp_arg.srppassin, NULL))
1109 {
1110 BIO_printf(bio_err, "Error getting password\n");
1111 goto end;
1112 }
1113 #endif
1114
1115 ctx=SSL_CTX_new(meth);
1116 if (ctx == NULL)
1117 {
1118 ERR_print_errors(bio_err);
1119 goto end;
1120 }
1121
1122 if (vpm)
1123 SSL_CTX_set1_param(ctx, vpm);
1124
1125 #ifndef OPENSSL_NO_ENGINE
1126 if (ssl_client_engine)
1127 {
1128 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine))
1129 {
1130 BIO_puts(bio_err, "Error setting client auth engine\n");
1131 ERR_print_errors(bio_err);
1132 ENGINE_free(ssl_client_engine);
1133 goto end;
1134 }
1135 ENGINE_free(ssl_client_engine);
1136 }
1137 #endif
1138
1139 #ifndef OPENSSL_NO_PSK
1140 #ifdef OPENSSL_NO_JPAKE
1141 if (psk_key != NULL)
1142 #else
1143 if (psk_key != NULL || jpake_secret)
1144 #endif
1145 {
1146 if (c_debug)
1147 BIO_printf(bio_c_out, "PSK key given or JPAKE in use, setting client callback\n");
1148 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
1149 }
1150 #endif
1151 #ifndef OPENSSL_NO_SRTP
1152 if (srtp_profiles != NULL)
1153 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1154 #endif
1155 if (bugs)
1156 SSL_CTX_set_options(ctx,SSL_OP_ALL|off);
1157 else
1158 SSL_CTX_set_options(ctx,off);
1159
1160 if (clr)
1161 SSL_CTX_clear_options(ctx, clr);
1162 /* DTLS: partial reads end up discarding unread UDP bytes :-(
1163 * Setting read ahead solves this problem.
1164 */
1165 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1166
1167 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
1168 if (next_proto.data)
1169 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
1170 #endif
1171
1172 if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1173 if (cipher != NULL)
1174 if(!SSL_CTX_set_cipher_list(ctx,cipher)) {
1175 BIO_printf(bio_err,"error setting cipher list\n");
1176 ERR_print_errors(bio_err);
1177 goto end;
1178 }
1179 #if 0
1180 else
1181 SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER"));
1182 #endif
1183
1184 SSL_CTX_set_verify(ctx,verify,verify_callback);
1185 if (!set_cert_key_stuff(ctx,cert,key))
1186 goto end;
1187
1188 if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
1189 (!SSL_CTX_set_default_verify_paths(ctx)))
1190 {
1191 /* BIO_printf(bio_err,"error setting default verify locations\n"); */
1192 ERR_print_errors(bio_err);
1193 /* goto end; */
1194 }
1195
1196 #ifndef OPENSSL_NO_TLSEXT
1197 if (servername != NULL)
1198 {
1199 tlsextcbp.biodebug = bio_err;
1200 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1201 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1202 }
1203 #ifndef OPENSSL_NO_SRP
1204 if (srp_arg.srplogin)
1205 {
1206 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin))
1207 {
1208 BIO_printf(bio_err,"Unable to set SRP username\n");
1209 goto end;
1210 }
1211 srp_arg.msg = c_msg;
1212 srp_arg.debug = c_debug ;
1213 SSL_CTX_set_srp_cb_arg(ctx,&srp_arg);
1214 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb);
1215 SSL_CTX_set_srp_strength(ctx, srp_arg.strength);
1216 if (c_msg || c_debug || srp_arg.amp == 0)
1217 SSL_CTX_set_srp_verify_param_callback(ctx, ssl_srp_verify_param_cb);
1218 }
1219
1220 #endif
1221 #endif
1222
1223 con=SSL_new(ctx);
1224 if (sess_in)
1225 {
1226 SSL_SESSION *sess;
1227 BIO *stmp = BIO_new_file(sess_in, "r");
1228 if (!stmp)
1229 {
1230 BIO_printf(bio_err, "Can't open session file %s\n",
1231 sess_in);
1232 ERR_print_errors(bio_err);
1233 goto end;
1234 }
1235 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1236 BIO_free(stmp);
1237 if (!sess)
1238 {
1239 BIO_printf(bio_err, "Can't open session file %s\n",
1240 sess_in);
1241 ERR_print_errors(bio_err);
1242 goto end;
1243 }
1244 SSL_set_session(con, sess);
1245 SSL_SESSION_free(sess);
1246 }
1247
1248 if (fallback_scsv)
1249 SSL_set_mode(con, SSL_MODE_SEND_FALLBACK_SCSV);
1250
1251 #ifndef OPENSSL_NO_TLSEXT
1252 if (servername != NULL)
1253 {
1254 if (!SSL_set_tlsext_host_name(con,servername))
1255 {
1256 BIO_printf(bio_err,"Unable to set TLS servername extension.\n");
1257 ERR_print_errors(bio_err);
1258 goto end;
1259 }
1260 }
1261 #endif
1262 #ifndef OPENSSL_NO_KRB5
1263 if (con && (kctx = kssl_ctx_new()) != NULL)
1264 {
1265 SSL_set0_kssl_ctx(con, kctx);
1266 kssl_ctx_setstring(kctx, KSSL_SERVER, host);
1267 }
1268 #endif /* OPENSSL_NO_KRB5 */
1269 /* SSL_set_cipher_list(con,"RC4-MD5"); */
1270 #if 0
1271 #ifdef TLSEXT_TYPE_opaque_prf_input
1272 SSL_set_tlsext_opaque_prf_input(con, "Test client", 11);
1273 #endif
1274 #endif
1275
1276 re_start:
1277
1278 if (init_client(&s,host,port,socket_type) == 0)
1279 {
1280 BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error());
1281 SHUTDOWN(s);
1282 goto end;
1283 }
1284 BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s);
1285
1286 #ifdef FIONBIO
1287 if (c_nbio)
1288 {
1289 unsigned long l=1;
1290 BIO_printf(bio_c_out,"turning on non blocking io\n");
1291 if (BIO_socket_ioctl(s,FIONBIO,&l) < 0)
1292 {
1293 ERR_print_errors(bio_err);
1294 goto end;
1295 }
1296 }
1297 #endif
1298 if (c_Pause & 0x01) SSL_set_debug(con, 1);
1299
1300 if ( SSL_version(con) == DTLS1_VERSION)
1301 {
1302
1303 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
1304 if (getsockname(s, &peer, (void *)&peerlen) < 0)
1305 {
1306 BIO_printf(bio_err, "getsockname:errno=%d\n",
1307 get_last_socket_error());
1308 SHUTDOWN(s);
1309 goto end;
1310 }
1311
1312 (void)BIO_ctrl_set_connected(sbio, 1, &peer);
1313
1314 if (enable_timeouts)
1315 {
1316 timeout.tv_sec = 0;
1317 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1318 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1319
1320 timeout.tv_sec = 0;
1321 timeout.tv_usec = DGRAM_SND_TIMEOUT;
1322 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1323 }
1324
1325 if (socket_mtu)
1326 {
1327 if(socket_mtu < DTLS_get_link_min_mtu(con))
1328 {
1329 BIO_printf(bio_err,"MTU too small. Must be at least %ld\n",
1330 DTLS_get_link_min_mtu(con));
1331 BIO_free(sbio);
1332 goto shut;
1333 }
1334 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1335 if(!DTLS_set_link_mtu(con, socket_mtu))
1336 {
1337 BIO_printf(bio_err, "Failed to set MTU\n");
1338 BIO_free(sbio);
1339 goto shut;
1340 }
1341 }
1342 else
1343 /* want to do MTU discovery */
1344 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1345 }
1346 else
1347 sbio=BIO_new_socket(s,BIO_NOCLOSE);
1348
1349 if (nbio_test)
1350 {
1351 BIO *test;
1352
1353 test=BIO_new(BIO_f_nbio_test());
1354 sbio=BIO_push(test,sbio);
1355 }
1356
1357 if (c_debug)
1358 {
1359 SSL_set_debug(con, 1);
1360 BIO_set_callback(sbio,bio_dump_callback);
1361 BIO_set_callback_arg(sbio,(char *)bio_c_out);
1362 }
1363 if (c_msg)
1364 {
1365 SSL_set_msg_callback(con, msg_cb);
1366 SSL_set_msg_callback_arg(con, bio_c_out);
1367 }
1368 #ifndef OPENSSL_NO_TLSEXT
1369 if (c_tlsextdebug)
1370 {
1371 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1372 SSL_set_tlsext_debug_arg(con, bio_c_out);
1373 }
1374 if (c_status_req)
1375 {
1376 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
1377 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
1378 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
1379 #if 0
1380 {
1381 STACK_OF(OCSP_RESPID) *ids = sk_OCSP_RESPID_new_null();
1382 OCSP_RESPID *id = OCSP_RESPID_new();
1383 id->value.byKey = ASN1_OCTET_STRING_new();
1384 id->type = V_OCSP_RESPID_KEY;
1385 ASN1_STRING_set(id->value.byKey, "Hello World", -1);
1386 sk_OCSP_RESPID_push(ids, id);
1387 SSL_set_tlsext_status_ids(con, ids);
1388 }
1389 #endif
1390 }
1391 #endif
1392 #ifndef OPENSSL_NO_JPAKE
1393 if (jpake_secret)
1394 jpake_client_auth(bio_c_out, sbio, jpake_secret);
1395 #endif
1396
1397 SSL_set_bio(con,sbio,sbio);
1398 SSL_set_connect_state(con);
1399
1400 /* ok, lets connect */
1401 width=SSL_get_fd(con)+1;
1402
1403 read_tty=1;
1404 write_tty=0;
1405 tty_on=0;
1406 read_ssl=1;
1407 write_ssl=1;
1408
1409 cbuf_len=0;
1410 cbuf_off=0;
1411 sbuf_len=0;
1412 sbuf_off=0;
1413
1414 /* This is an ugly hack that does a lot of assumptions */
1415 /* We do have to handle multi-line responses which may come
1416 in a single packet or not. We therefore have to use
1417 BIO_gets() which does need a buffering BIO. So during
1418 the initial chitchat we do push a buffering BIO into the
1419 chain that is removed again later on to not disturb the
1420 rest of the s_client operation. */
1421 if (starttls_proto == PROTO_SMTP)
1422 {
1423 int foundit=0;
1424 BIO *fbio = BIO_new(BIO_f_buffer());
1425 BIO_push(fbio, sbio);
1426 /* wait for multi-line response to end from SMTP */
1427 do
1428 {
1429 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1430 }
1431 while (mbuf_len>3 && mbuf[3]=='-');
1432 /* STARTTLS command requires EHLO... */
1433 BIO_printf(fbio,"EHLO openssl.client.net\r\n");
1434 (void)BIO_flush(fbio);
1435 /* wait for multi-line response to end EHLO SMTP response */
1436 do
1437 {
1438 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1439 if (strstr(mbuf,"STARTTLS"))
1440 foundit=1;
1441 }
1442 while (mbuf_len>3 && mbuf[3]=='-');
1443 (void)BIO_flush(fbio);
1444 BIO_pop(fbio);
1445 BIO_free(fbio);
1446 if (!foundit)
1447 BIO_printf(bio_err,
1448 "didn't found starttls in server response,"
1449 " try anyway...\n");
1450 BIO_printf(sbio,"STARTTLS\r\n");
1451 BIO_read(sbio,sbuf,BUFSIZZ);
1452 }
1453 else if (starttls_proto == PROTO_POP3)
1454 {
1455 BIO_read(sbio,mbuf,BUFSIZZ);
1456 BIO_printf(sbio,"STLS\r\n");
1457 BIO_read(sbio,sbuf,BUFSIZZ);
1458 }
1459 else if (starttls_proto == PROTO_IMAP)
1460 {
1461 int foundit=0;
1462 BIO *fbio = BIO_new(BIO_f_buffer());
1463 BIO_push(fbio, sbio);
1464 BIO_gets(fbio,mbuf,BUFSIZZ);
1465 /* STARTTLS command requires CAPABILITY... */
1466 BIO_printf(fbio,". CAPABILITY\r\n");
1467 (void)BIO_flush(fbio);
1468 /* wait for multi-line CAPABILITY response */
1469 do
1470 {
1471 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1472 if (strstr(mbuf,"STARTTLS"))
1473 foundit=1;
1474 }
1475 while (mbuf_len>3 && mbuf[0]!='.');
1476 (void)BIO_flush(fbio);
1477 BIO_pop(fbio);
1478 BIO_free(fbio);
1479 if (!foundit)
1480 BIO_printf(bio_err,
1481 "didn't found STARTTLS in server response,"
1482 " try anyway...\n");
1483 BIO_printf(sbio,". STARTTLS\r\n");
1484 BIO_read(sbio,sbuf,BUFSIZZ);
1485 }
1486 else if (starttls_proto == PROTO_FTP)
1487 {
1488 BIO *fbio = BIO_new(BIO_f_buffer());
1489 BIO_push(fbio, sbio);
1490 /* wait for multi-line response to end from FTP */
1491 do
1492 {
1493 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1494 }
1495 while (mbuf_len>3 && mbuf[3]=='-');
1496 (void)BIO_flush(fbio);
1497 BIO_pop(fbio);
1498 BIO_free(fbio);
1499 BIO_printf(sbio,"AUTH TLS\r\n");
1500 BIO_read(sbio,sbuf,BUFSIZZ);
1501 }
1502 if (starttls_proto == PROTO_XMPP)
1503 {
1504 int seen = 0;
1505 BIO_printf(sbio,"<stream:stream "
1506 "xmlns:stream='http://etherx.jabber.org/streams' "
1507 "xmlns='jabber:client' to='%s' version='1.0'>", host);
1508 seen = BIO_read(sbio,mbuf,BUFSIZZ);
1509 mbuf[seen] = 0;
1510 while (!strstr(mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'"))
1511 {
1512 if (strstr(mbuf, "/stream:features>"))
1513 goto shut;
1514 seen = BIO_read(sbio,mbuf,BUFSIZZ);
1515 mbuf[seen] = 0;
1516 }
1517 BIO_printf(sbio, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
1518 seen = BIO_read(sbio,sbuf,BUFSIZZ);
1519 sbuf[seen] = 0;
1520 if (!strstr(sbuf, "<proceed"))
1521 goto shut;
1522 mbuf[0] = 0;
1523 }
1524
1525 for (;;)
1526 {
1527 FD_ZERO(&readfds);
1528 FD_ZERO(&writefds);
1529
1530 if ((SSL_version(con) == DTLS1_VERSION) &&
1531 DTLSv1_get_timeout(con, &timeout))
1532 timeoutp = &timeout;
1533 else
1534 timeoutp = NULL;
1535
1536 if (SSL_in_init(con) && !SSL_total_renegotiations(con))
1537 {
1538 in_init=1;
1539 tty_on=0;
1540 }
1541 else
1542 {
1543 tty_on=1;
1544 if (in_init)
1545 {
1546 in_init=0;
1547 #if 0 /* This test doesn't really work as intended (needs to be fixed) */
1548 #ifndef OPENSSL_NO_TLSEXT
1549 if (servername != NULL && !SSL_session_reused(con))
1550 {
1551 BIO_printf(bio_c_out,"Server did %sacknowledge servername extension.\n",tlsextcbp.ack?"":"not ");
1552 }
1553 #endif
1554 #endif
1555 if (sess_out)
1556 {
1557 BIO *stmp = BIO_new_file(sess_out, "w");
1558 if (stmp)
1559 {
1560 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));
1561 BIO_free(stmp);
1562 }
1563 else
1564 BIO_printf(bio_err, "Error writing session file %s\n", sess_out);
1565 }
1566 print_stuff(bio_c_out,con,full_log);
1567 if (full_log > 0) full_log--;
1568
1569 if (starttls_proto)
1570 {
1571 BIO_printf(bio_err,"%s",mbuf);
1572 /* We don't need to know any more */
1573 starttls_proto = PROTO_OFF;
1574 }
1575
1576 if (reconnect)
1577 {
1578 reconnect--;
1579 BIO_printf(bio_c_out,"drop connection and then reconnect\n");
1580 SSL_shutdown(con);
1581 SSL_set_connect_state(con);
1582 SHUTDOWN(SSL_get_fd(con));
1583 goto re_start;
1584 }
1585 }
1586 }
1587
1588 ssl_pending = read_ssl && SSL_pending(con);
1589
1590 if (!ssl_pending)
1591 {
1592 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined (OPENSSL_SYS_BEOS_R5)
1593 if (tty_on)
1594 {
1595 if (read_tty) openssl_fdset(fileno(stdin),&readfds);
1596 if (write_tty) openssl_fdset(fileno(stdout),&writefds);
1597 }
1598 if (read_ssl)
1599 openssl_fdset(SSL_get_fd(con),&readfds);
1600 if (write_ssl)
1601 openssl_fdset(SSL_get_fd(con),&writefds);
1602 #else
1603 if(!tty_on || !write_tty) {
1604 if (read_ssl)
1605 openssl_fdset(SSL_get_fd(con),&readfds);
1606 if (write_ssl)
1607 openssl_fdset(SSL_get_fd(con),&writefds);
1608 }
1609 #endif
1610 /*- printf("mode tty(%d %d%d) ssl(%d%d)\n",
1611 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
1612
1613 /* Note: under VMS with SOCKETSHR the second parameter
1614 * is currently of type (int *) whereas under other
1615 * systems it is (void *) if you don't have a cast it
1616 * will choke the compiler: if you do have a cast then
1617 * you can either go for (int *) or (void *).
1618 */
1619 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1620 /* Under Windows/DOS we make the assumption that we can
1621 * always write to the tty: therefore if we need to
1622 * write to the tty we just fall through. Otherwise
1623 * we timeout the select every second and see if there
1624 * are any keypresses. Note: this is a hack, in a proper
1625 * Windows application we wouldn't do this.
1626 */
1627 i=0;
1628 if(!write_tty) {
1629 if(read_tty) {
1630 tv.tv_sec = 1;
1631 tv.tv_usec = 0;
1632 i=select(width,(void *)&readfds,(void *)&writefds,
1633 NULL,&tv);
1634 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1635 if(!i && (!_kbhit() || !read_tty) ) continue;
1636 #else
1637 if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue;
1638 #endif
1639 } else i=select(width,(void *)&readfds,(void *)&writefds,
1640 NULL,timeoutp);
1641 }
1642 #elif defined(OPENSSL_SYS_NETWARE)
1643 if(!write_tty) {
1644 if(read_tty) {
1645 tv.tv_sec = 1;
1646 tv.tv_usec = 0;
1647 i=select(width,(void *)&readfds,(void *)&writefds,
1648 NULL,&tv);
1649 } else i=select(width,(void *)&readfds,(void *)&writefds,
1650 NULL,timeoutp);
1651 }
1652 #elif defined(OPENSSL_SYS_BEOS_R5)
1653 /* Under BeOS-R5 the situation is similar to DOS */
1654 i=0;
1655 stdin_set = 0;
1656 (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
1657 if(!write_tty) {
1658 if(read_tty) {
1659 tv.tv_sec = 1;
1660 tv.tv_usec = 0;
1661 i=select(width,(void *)&readfds,(void *)&writefds,
1662 NULL,&tv);
1663 if (read(fileno(stdin), sbuf, 0) >= 0)
1664 stdin_set = 1;
1665 if (!i && (stdin_set != 1 || !read_tty))
1666 continue;
1667 } else i=select(width,(void *)&readfds,(void *)&writefds,
1668 NULL,timeoutp);
1669 }
1670 (void)fcntl(fileno(stdin), F_SETFL, 0);
1671 #else
1672 i=select(width,(void *)&readfds,(void *)&writefds,
1673 NULL,timeoutp);
1674 #endif
1675 if ( i < 0)
1676 {
1677 BIO_printf(bio_err,"bad select %d\n",
1678 get_last_socket_error());
1679 goto shut;
1680 /* goto end; */
1681 }
1682 }
1683
1684 if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
1685 {
1686 BIO_printf(bio_err,"TIMEOUT occured\n");
1687 }
1688
1689 if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds))
1690 {
1691 k=SSL_write(con,&(cbuf[cbuf_off]),
1692 (unsigned int)cbuf_len);
1693 switch (SSL_get_error(con,k))
1694 {
1695 case SSL_ERROR_NONE:
1696 cbuf_off+=k;
1697 cbuf_len-=k;
1698 if (k <= 0) goto end;
1699 /* we have done a write(con,NULL,0); */
1700 if (cbuf_len <= 0)
1701 {
1702 read_tty=1;
1703 write_ssl=0;
1704 }
1705 else /* if (cbuf_len > 0) */
1706 {
1707 read_tty=0;
1708 write_ssl=1;
1709 }
1710 break;
1711 case SSL_ERROR_WANT_WRITE:
1712 BIO_printf(bio_c_out,"write W BLOCK\n");
1713 write_ssl=1;
1714 read_tty=0;
1715 break;
1716 case SSL_ERROR_WANT_READ:
1717 BIO_printf(bio_c_out,"write R BLOCK\n");
1718 write_tty=0;
1719 read_ssl=1;
1720 write_ssl=0;
1721 break;
1722 case SSL_ERROR_WANT_X509_LOOKUP:
1723 BIO_printf(bio_c_out,"write X BLOCK\n");
1724 break;
1725 case SSL_ERROR_ZERO_RETURN:
1726 if (cbuf_len != 0)
1727 {
1728 BIO_printf(bio_c_out,"shutdown\n");
1729 ret = 0;
1730 goto shut;
1731 }
1732 else
1733 {
1734 read_tty=1;
1735 write_ssl=0;
1736 break;
1737 }
1738
1739 case SSL_ERROR_SYSCALL:
1740 if ((k != 0) || (cbuf_len != 0))
1741 {
1742 BIO_printf(bio_err,"write:errno=%d\n",
1743 get_last_socket_error());
1744 goto shut;
1745 }
1746 else
1747 {
1748 read_tty=1;
1749 write_ssl=0;
1750 }
1751 break;
1752 case SSL_ERROR_SSL:
1753 ERR_print_errors(bio_err);
1754 goto shut;
1755 }
1756 }
1757 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
1758 /* Assume Windows/DOS/BeOS can always write */
1759 else if (!ssl_pending && write_tty)
1760 #else
1761 else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds))
1762 #endif
1763 {
1764 #ifdef CHARSET_EBCDIC
1765 ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len);
1766 #endif
1767 i=raw_write_stdout(&(sbuf[sbuf_off]),sbuf_len);
1768
1769 if (i <= 0)
1770 {
1771 BIO_printf(bio_c_out,"DONE\n");
1772 ret = 0;
1773 goto shut;
1774 /* goto end; */
1775 }
1776
1777 sbuf_len-=i;;
1778 sbuf_off+=i;
1779 if (sbuf_len <= 0)
1780 {
1781 read_ssl=1;
1782 write_tty=0;
1783 }
1784 }
1785 else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds))
1786 {
1787 #ifdef RENEG
1788 { static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } }
1789 #endif
1790 #if 1
1791 k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ );
1792 #else
1793 /* Demo for pending and peek :-) */
1794 k=SSL_read(con,sbuf,16);
1795 { char zbuf[10240];
1796 printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240));
1797 }
1798 #endif
1799
1800 switch (SSL_get_error(con,k))
1801 {
1802 case SSL_ERROR_NONE:
1803 if (k <= 0)
1804 goto end;
1805 sbuf_off=0;
1806 sbuf_len=k;
1807
1808 read_ssl=0;
1809 write_tty=1;
1810 break;
1811 case SSL_ERROR_WANT_WRITE:
1812 BIO_printf(bio_c_out,"read W BLOCK\n");
1813 write_ssl=1;
1814 read_tty=0;
1815 break;
1816 case SSL_ERROR_WANT_READ:
1817 BIO_printf(bio_c_out,"read R BLOCK\n");
1818 write_tty=0;
1819 read_ssl=1;
1820 if ((read_tty == 0) && (write_ssl == 0))
1821 write_ssl=1;
1822 break;
1823 case SSL_ERROR_WANT_X509_LOOKUP:
1824 BIO_printf(bio_c_out,"read X BLOCK\n");
1825 break;
1826 case SSL_ERROR_SYSCALL:
1827 ret=get_last_socket_error();
1828 BIO_printf(bio_err,"read:errno=%d\n",ret);
1829 goto shut;
1830 case SSL_ERROR_ZERO_RETURN:
1831 BIO_printf(bio_c_out,"closed\n");
1832 ret=0;
1833 goto shut;
1834 case SSL_ERROR_SSL:
1835 ERR_print_errors(bio_err);
1836 goto shut;
1837 /* break; */
1838 }
1839 }
1840
1841 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1842 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1843 else if (_kbhit())
1844 #else
1845 else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
1846 #endif
1847 #elif defined (OPENSSL_SYS_NETWARE)
1848 else if (_kbhit())
1849 #elif defined(OPENSSL_SYS_BEOS_R5)
1850 else if (stdin_set)
1851 #else
1852 else if (FD_ISSET(fileno(stdin),&readfds))
1853 #endif
1854 {
1855 if (crlf)
1856 {
1857 int j, lf_num;
1858
1859 i=raw_read_stdin(cbuf,BUFSIZZ/2);
1860 lf_num = 0;
1861 /* both loops are skipped when i <= 0 */
1862 for (j = 0; j < i; j++)
1863 if (cbuf[j] == '\n')
1864 lf_num++;
1865 for (j = i-1; j >= 0; j--)
1866 {
1867 cbuf[j+lf_num] = cbuf[j];
1868 if (cbuf[j] == '\n')
1869 {
1870 lf_num--;
1871 i++;
1872 cbuf[j+lf_num] = '\r';
1873 }
1874 }
1875 assert(lf_num == 0);
1876 }
1877 else
1878 i=raw_read_stdin(cbuf,BUFSIZZ);
1879
1880 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q')))
1881 {
1882 BIO_printf(bio_err,"DONE\n");
1883 ret=0;
1884 goto shut;
1885 }
1886
1887 if ((!c_ign_eof) && (cbuf[0] == 'R'))
1888 {
1889 BIO_printf(bio_err,"RENEGOTIATING\n");
1890 SSL_renegotiate(con);
1891 cbuf_len=0;
1892 }
1893 #ifndef OPENSSL_NO_HEARTBEATS
1894 else if ((!c_ign_eof) && (cbuf[0] == 'B'))
1895 {
1896 BIO_printf(bio_err,"HEARTBEATING\n");
1897 SSL_heartbeat(con);
1898 cbuf_len=0;
1899 }
1900 #endif
1901 else
1902 {
1903 cbuf_len=i;
1904 cbuf_off=0;
1905 #ifdef CHARSET_EBCDIC
1906 ebcdic2ascii(cbuf, cbuf, i);
1907 #endif
1908 }
1909
1910 write_ssl=1;
1911 read_tty=0;
1912 }
1913 }
1914
1915 ret=0;
1916 shut:
1917 if (in_init)
1918 print_stuff(bio_c_out,con,full_log);
1919 SSL_shutdown(con);
1920 SHUTDOWN(SSL_get_fd(con));
1921 end:
1922 if (con != NULL)
1923 {
1924 if (prexit != 0)
1925 print_stuff(bio_c_out,con,1);
1926 SSL_free(con);
1927 }
1928 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
1929 if (next_proto.data)
1930 OPENSSL_free(next_proto.data);
1931 #endif
1932 if (ctx != NULL) SSL_CTX_free(ctx);
1933 if (cert)
1934 X509_free(cert);
1935 if (key)
1936 EVP_PKEY_free(key);
1937 if (pass)
1938 OPENSSL_free(pass);
1939 if (vpm)
1940 X509_VERIFY_PARAM_free(vpm);
1941 if (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); }
1942 if (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); }
1943 if (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); }
1944 if (bio_c_out != NULL)
1945 {
1946 BIO_free(bio_c_out);
1947 bio_c_out=NULL;
1948 }
1949 apps_shutdown();
1950 OPENSSL_EXIT(ret);
1951 }
1952
1953
1954 static void print_stuff(BIO *bio, SSL *s, int full)
1955 {
1956 X509 *peer=NULL;
1957 char *p;
1958 static const char *space=" ";
1959 char buf[BUFSIZ];
1960 STACK_OF(X509) *sk;
1961 STACK_OF(X509_NAME) *sk2;
1962 const SSL_CIPHER *c;
1963 X509_NAME *xn;
1964 int j,i;
1965 #ifndef OPENSSL_NO_COMP
1966 const COMP_METHOD *comp, *expansion;
1967 #endif
1968 unsigned char *exportedkeymat;
1969
1970 if (full)
1971 {
1972 int got_a_chain = 0;
1973
1974 sk=SSL_get_peer_cert_chain(s);
1975 if (sk != NULL)
1976 {
1977 got_a_chain = 1; /* we don't have it for SSL2 (yet) */
1978
1979 BIO_printf(bio,"---\nCertificate chain\n");
1980 for (i=0; i<sk_X509_num(sk); i++)
1981 {
1982 X509_NAME_oneline(X509_get_subject_name(
1983 sk_X509_value(sk,i)),buf,sizeof buf);
1984 BIO_printf(bio,"%2d s:%s\n",i,buf);
1985 X509_NAME_oneline(X509_get_issuer_name(
1986 sk_X509_value(sk,i)),buf,sizeof buf);
1987 BIO_printf(bio," i:%s\n",buf);
1988 if (c_showcerts)
1989 PEM_write_bio_X509(bio,sk_X509_value(sk,i));
1990 }
1991 }
1992
1993 BIO_printf(bio,"---\n");
1994 peer=SSL_get_peer_certificate(s);
1995 if (peer != NULL)
1996 {
1997 BIO_printf(bio,"Server certificate\n");
1998 if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */
1999 PEM_write_bio_X509(bio,peer);
2000 X509_NAME_oneline(X509_get_subject_name(peer),
2001 buf,sizeof buf);
2002 BIO_printf(bio,"subject=%s\n",buf);
2003 X509_NAME_oneline(X509_get_issuer_name(peer),
2004 buf,sizeof buf);
2005 BIO_printf(bio,"issuer=%s\n",buf);
2006 }
2007 else
2008 BIO_printf(bio,"no peer certificate available\n");
2009
2010 sk2=SSL_get_client_CA_list(s);
2011 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0))
2012 {
2013 BIO_printf(bio,"---\nAcceptable client certificate CA names\n");
2014 for (i=0; i<sk_X509_NAME_num(sk2); i++)
2015 {
2016 xn=sk_X509_NAME_value(sk2,i);
2017 X509_NAME_oneline(xn,buf,sizeof(buf));
2018 BIO_write(bio,buf,strlen(buf));
2019 BIO_write(bio,"\n",1);
2020 }
2021 }
2022 else
2023 {
2024 BIO_printf(bio,"---\nNo client certificate CA names sent\n");
2025 }
2026 p=SSL_get_shared_ciphers(s,buf,sizeof buf);
2027 if (p != NULL)
2028 {
2029 /* This works only for SSL 2. In later protocol
2030 * versions, the client does not know what other
2031 * ciphers (in addition to the one to be used
2032 * in the current connection) the server supports. */
2033
2034 BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n");
2035 j=i=0;
2036 while (*p)
2037 {
2038 if (*p == ':')
2039 {
2040 BIO_write(bio,space,15-j%25);
2041 i++;
2042 j=0;
2043 BIO_write(bio,((i%3)?" ":"\n"),1);
2044 }
2045 else
2046 {
2047 BIO_write(bio,p,1);
2048 j++;
2049 }
2050 p++;
2051 }
2052 BIO_write(bio,"\n",1);
2053 }
2054
2055 BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n",
2056 BIO_number_read(SSL_get_rbio(s)),
2057 BIO_number_written(SSL_get_wbio(s)));
2058 }
2059 BIO_printf(bio,(SSL_cache_hit(s)?"---\nReused, ":"---\nNew, "));
2060 c=SSL_get_current_cipher(s);
2061 BIO_printf(bio,"%s, Cipher is %s\n",
2062 SSL_CIPHER_get_version(c),
2063 SSL_CIPHER_get_name(c));
2064 if (peer != NULL) {
2065 EVP_PKEY *pktmp;
2066 pktmp = X509_get_pubkey(peer);
2067 BIO_printf(bio,"Server public key is %d bit\n",
2068 EVP_PKEY_bits(pktmp));
2069 EVP_PKEY_free(pktmp);
2070 }
2071 BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
2072 SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
2073 #ifndef OPENSSL_NO_COMP
2074 comp=SSL_get_current_compression(s);
2075 expansion=SSL_get_current_expansion(s);
2076 BIO_printf(bio,"Compression: %s\n",
2077 comp ? SSL_COMP_get_name(comp) : "NONE");
2078 BIO_printf(bio,"Expansion: %s\n",
2079 expansion ? SSL_COMP_get_name(expansion) : "NONE");
2080 #endif
2081
2082 #ifdef SSL_DEBUG
2083 {
2084 /* Print out local port of connection: useful for debugging */
2085 int sock;
2086 struct sockaddr_in ladd;
2087 socklen_t ladd_size = sizeof(ladd);
2088 sock = SSL_get_fd(s);
2089 getsockname(sock, (struct sockaddr *)&ladd, &ladd_size);
2090 BIO_printf(bio_c_out, "LOCAL PORT is %u\n", ntohs(ladd.sin_port));
2091 }
2092 #endif
2093
2094 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2095 if (next_proto.status != -1) {
2096 const unsigned char *proto;
2097 unsigned int proto_len;
2098 SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
2099 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
2100 BIO_write(bio, proto, proto_len);
2101 BIO_write(bio, "\n", 1);
2102 }
2103 #endif
2104
2105 #ifndef OPENSSL_NO_SRTP
2106 {
2107 SRTP_PROTECTION_PROFILE *srtp_profile=SSL_get_selected_srtp_profile(s);
2108
2109 if(srtp_profile)
2110 BIO_printf(bio,"SRTP Extension negotiated, profile=%s\n",
2111 srtp_profile->name);
2112 }
2113 #endif
2114
2115 SSL_SESSION_print(bio,SSL_get_session(s));
2116 if (keymatexportlabel != NULL)
2117 {
2118 BIO_printf(bio, "Keying material exporter:\n");
2119 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel);
2120 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen);
2121 exportedkeymat = OPENSSL_malloc(keymatexportlen);
2122 if (exportedkeymat != NULL)
2123 {
2124 if (!SSL_export_keying_material(s, exportedkeymat,
2125 keymatexportlen,
2126 keymatexportlabel,
2127 strlen(keymatexportlabel),
2128 NULL, 0, 0))
2129 {
2130 BIO_printf(bio, " Error\n");
2131 }
2132 else
2133 {
2134 BIO_printf(bio, " Keying material: ");
2135 for (i=0; i<keymatexportlen; i++)
2136 BIO_printf(bio, "%02X",
2137 exportedkeymat[i]);
2138 BIO_printf(bio, "\n");
2139 }
2140 OPENSSL_free(exportedkeymat);
2141 }
2142 }
2143 BIO_printf(bio,"---\n");
2144 if (peer != NULL)
2145 X509_free(peer);
2146 /* flush, or debugging output gets mixed with http response */
2147 (void)BIO_flush(bio);
2148 }
2149
2150 #ifndef OPENSSL_NO_TLSEXT
2151
2152 static int ocsp_resp_cb(SSL *s, void *arg)
2153 {
2154 const unsigned char *p;
2155 int len;
2156 OCSP_RESPONSE *rsp;
2157 len = SSL_get_tlsext_status_ocsp_resp(s, &p);
2158 BIO_puts(arg, "OCSP response: ");
2159 if (!p)
2160 {
2161 BIO_puts(arg, "no response sent\n");
2162 return 1;
2163 }
2164 rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
2165 if (!rsp)
2166 {
2167 BIO_puts(arg, "response parse error\n");
2168 BIO_dump_indent(arg, (char *)p, len, 4);
2169 return 0;
2170 }
2171 BIO_puts(arg, "\n======================================\n");
2172 OCSP_RESPONSE_print(arg, rsp, 0);
2173 BIO_puts(arg, "======================================\n");
2174 OCSP_RESPONSE_free(rsp);
2175 return 1;
2176 }
2177
2178 #endif
A mirror of the official openssl repository