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OpenSSL: Update to version 1.0.1e
[tomato.git] / release / src / router / openssl / apps / s_client.c
blob12b45431a36f7f397dce3bbab9a597b39bb91bf0
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," -cert arg - certificate file to use, PEM format assumed\n");
294 BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
295 BIO_printf(bio_err," -key arg - Private key file to use, in cert file if\n");
296 BIO_printf(bio_err," not specified but cert file is.\n");
297 BIO_printf(bio_err," -keyform arg - key format (PEM or DER) PEM default\n");
298 BIO_printf(bio_err," -pass arg - private key file pass phrase source\n");
299 BIO_printf(bio_err," -CApath arg - PEM format directory of CA's\n");
300 BIO_printf(bio_err," -CAfile arg - PEM format file of CA's\n");
301 BIO_printf(bio_err," -reconnect - Drop and re-make the connection with the same Session-ID\n");
302 BIO_printf(bio_err," -pause - sleep(1) after each read(2) and write(2) system call\n");
303 BIO_printf(bio_err," -showcerts - show all certificates in the chain\n");
304 BIO_printf(bio_err," -debug - extra output\n");
305 #ifdef WATT32
306 BIO_printf(bio_err," -wdebug - WATT-32 tcp debugging\n");
307 #endif
308 BIO_printf(bio_err," -msg - Show protocol messages\n");
309 BIO_printf(bio_err," -nbio_test - more ssl protocol testing\n");
310 BIO_printf(bio_err," -state - print the 'ssl' states\n");
311 #ifdef FIONBIO
312 BIO_printf(bio_err," -nbio - Run with non-blocking IO\n");
313 #endif
314 BIO_printf(bio_err," -crlf - convert LF from terminal into CRLF\n");
315 BIO_printf(bio_err," -quiet - no s_client output\n");
316 BIO_printf(bio_err," -ign_eof - ignore input eof (default when -quiet)\n");
317 BIO_printf(bio_err," -no_ign_eof - don't ignore input eof\n");
318 #ifndef OPENSSL_NO_PSK
319 BIO_printf(bio_err," -psk_identity arg - PSK identity\n");
320 BIO_printf(bio_err," -psk arg - PSK in hex (without 0x)\n");
321 # ifndef OPENSSL_NO_JPAKE
322 BIO_printf(bio_err," -jpake arg - JPAKE secret to use\n");
323 # endif
324 #endif
325 #ifndef OPENSSL_NO_SRP
326 BIO_printf(bio_err," -srpuser user - SRP authentification for 'user'\n");
327 BIO_printf(bio_err," -srppass arg - password for 'user'\n");
328 BIO_printf(bio_err," -srp_lateuser - SRP username into second ClientHello message\n");
329 BIO_printf(bio_err," -srp_moregroups - Tolerate other than the known g N values.\n");
330 BIO_printf(bio_err," -srp_strength int - minimal mength in bits for N (default %d).\n",SRP_MINIMAL_N);
331 #endif
332 BIO_printf(bio_err," -ssl2 - just use SSLv2\n");
333 BIO_printf(bio_err," -ssl3 - just use SSLv3\n");
334 BIO_printf(bio_err," -tls1_2 - just use TLSv1.2\n");
335 BIO_printf(bio_err," -tls1_1 - just use TLSv1.1\n");
336 BIO_printf(bio_err," -tls1 - just use TLSv1\n");
337 BIO_printf(bio_err," -dtls1 - just use DTLSv1\n");
338 BIO_printf(bio_err," -mtu - set the link layer MTU\n");
339 BIO_printf(bio_err," -no_tls1_2/-no_tls1_1/-no_tls1/-no_ssl3/-no_ssl2 - turn off that protocol\n");
340 BIO_printf(bio_err," -bugs - Switch on all SSL implementation bug workarounds\n");
341 BIO_printf(bio_err," -serverpref - Use server's cipher preferences (only SSLv2)\n");
342 BIO_printf(bio_err," -cipher - preferred cipher to use, use the 'openssl ciphers'\n");
343 BIO_printf(bio_err," command to see what is available\n");
344 BIO_printf(bio_err," -starttls prot - use the STARTTLS command before starting TLS\n");
345 BIO_printf(bio_err," for those protocols that support it, where\n");
346 BIO_printf(bio_err," 'prot' defines which one to assume. Currently,\n");
347 BIO_printf(bio_err," only \"smtp\", \"pop3\", \"imap\", \"ftp\" and \"xmpp\"\n");
348 BIO_printf(bio_err," are supported.\n");
349 #ifndef OPENSSL_NO_ENGINE
350 BIO_printf(bio_err," -engine id - Initialise and use the specified engine\n");
351 #endif
352 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
353 BIO_printf(bio_err," -sess_out arg - file to write SSL session to\n");
354 BIO_printf(bio_err," -sess_in arg - file to read SSL session from\n");
355 #ifndef OPENSSL_NO_TLSEXT
356 BIO_printf(bio_err," -servername host - Set TLS extension servername in ClientHello\n");
357 BIO_printf(bio_err," -tlsextdebug - hex dump of all TLS extensions received\n");
358 BIO_printf(bio_err," -status - request certificate status from server\n");
359 BIO_printf(bio_err," -no_ticket - disable use of RFC4507bis session tickets\n");
360 # if !defined(OPENSSL_NO_NEXTPROTONEG)
361 BIO_printf(bio_err," -nextprotoneg arg - enable NPN extension, considering named protocols supported (comma-separated list)\n");
362 # endif
363 #endif
364 BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
365 #ifndef OPENSSL_NO_SRTP
366 BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
367 #endif
368 BIO_printf(bio_err," -keymatexport label - Export keying material using label\n");
369 BIO_printf(bio_err," -keymatexportlen len - Export len bytes of keying material (default 20)\n");
370 }
371
372 #ifndef OPENSSL_NO_TLSEXT
373
374 /* This is a context that we pass to callbacks */
375 typedef struct tlsextctx_st {
376 BIO * biodebug;
377 int ack;
378 } tlsextctx;
379
380
381 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
382 {
383 tlsextctx * p = (tlsextctx *) arg;
384 const char * hn= SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
385 if (SSL_get_servername_type(s) != -1)
386 p->ack = !SSL_session_reused(s) && hn != NULL;
387 else
388 BIO_printf(bio_err,"Can't use SSL_get_servername\n");
389
390 return SSL_TLSEXT_ERR_OK;
391 }
392
393 #ifndef OPENSSL_NO_SRP
394
395 /* This is a context that we pass to all callbacks */
396 typedef struct srp_arg_st
397 {
398 char *srppassin;
399 char *srplogin;
400 int msg; /* copy from c_msg */
401 int debug; /* copy from c_debug */
402 int amp; /* allow more groups */
403 int strength /* minimal size for N */ ;
404 } SRP_ARG;
405
406 #define SRP_NUMBER_ITERATIONS_FOR_PRIME 64
407
408 static int srp_Verify_N_and_g(BIGNUM *N, BIGNUM *g)
409 {
410 BN_CTX *bn_ctx = BN_CTX_new();
411 BIGNUM *p = BN_new();
412 BIGNUM *r = BN_new();
413 int ret =
414 g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) &&
415 BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
416 p != NULL && BN_rshift1(p, N) &&
417
418 /* p = (N-1)/2 */
419 BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
420 r != NULL &&
421
422 /* verify g^((N-1)/2) == -1 (mod N) */
423 BN_mod_exp(r, g, p, N, bn_ctx) &&
424 BN_add_word(r, 1) &&
425 BN_cmp(r, N) == 0;
426
427 if(r)
428 BN_free(r);
429 if(p)
430 BN_free(p);
431 if(bn_ctx)
432 BN_CTX_free(bn_ctx);
433 return ret;
434 }
435
436 /* This callback is used here for two purposes:
437 - extended debugging
438 - making some primality tests for unknown groups
439 The callback is only called for a non default group.
440
441 An application does not need the call back at all if
442 only the stanard groups are used. In real life situations,
443 client and server already share well known groups,
444 thus there is no need to verify them.
445 Furthermore, in case that a server actually proposes a group that
446 is not one of those defined in RFC 5054, it is more appropriate
447 to add the group to a static list and then compare since
448 primality tests are rather cpu consuming.
449 */
450
451 static int MS_CALLBACK ssl_srp_verify_param_cb(SSL *s, void *arg)
452 {
453 SRP_ARG *srp_arg = (SRP_ARG *)arg;
454 BIGNUM *N = NULL, *g = NULL;
455 if (!(N = SSL_get_srp_N(s)) || !(g = SSL_get_srp_g(s)))
456 return 0;
457 if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1)
458 {
459 BIO_printf(bio_err, "SRP parameters:\n");
460 BIO_printf(bio_err,"\tN="); BN_print(bio_err,N);
461 BIO_printf(bio_err,"\n\tg="); BN_print(bio_err,g);
462 BIO_printf(bio_err,"\n");
463 }
464
465 if (SRP_check_known_gN_param(g,N))
466 return 1;
467
468 if (srp_arg->amp == 1)
469 {
470 if (srp_arg->debug)
471 BIO_printf(bio_err, "SRP param N and g are not known params, going to check deeper.\n");
472
473 /* The srp_moregroups is a real debugging feature.
474 Implementors should rather add the value to the known ones.
475 The minimal size has already been tested.
476 */
477 if (BN_num_bits(g) <= BN_BITS && srp_Verify_N_and_g(N,g))
478 return 1;
479 }
480 BIO_printf(bio_err, "SRP param N and g rejected.\n");
481 return 0;
482 }
483
484 #define PWD_STRLEN 1024
485
486 static char * MS_CALLBACK ssl_give_srp_client_pwd_cb(SSL *s, void *arg)
487 {
488 SRP_ARG *srp_arg = (SRP_ARG *)arg;
489 char *pass = (char *)OPENSSL_malloc(PWD_STRLEN+1);
490 PW_CB_DATA cb_tmp;
491 int l;
492
493 cb_tmp.password = (char *)srp_arg->srppassin;
494 cb_tmp.prompt_info = "SRP user";
495 if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp))<0)
496 {
497 BIO_printf (bio_err, "Can't read Password\n");
498 OPENSSL_free(pass);
499 return NULL;
500 }
501 *(pass+l)= '\0';
502
503 return pass;
504 }
505
506 #endif
507 #ifndef OPENSSL_NO_SRTP
508 char *srtp_profiles = NULL;
509 #endif
510
511 # ifndef OPENSSL_NO_NEXTPROTONEG
512 /* This the context that we pass to next_proto_cb */
513 typedef struct tlsextnextprotoctx_st {
514 unsigned char *data;
515 unsigned short len;
516 int status;
517 } tlsextnextprotoctx;
518
519 static tlsextnextprotoctx next_proto;
520
521 static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen, const unsigned char *in, unsigned int inlen, void *arg)
522 {
523 tlsextnextprotoctx *ctx = arg;
524
525 if (!c_quiet)
526 {
527 /* We can assume that |in| is syntactically valid. */
528 unsigned i;
529 BIO_printf(bio_c_out, "Protocols advertised by server: ");
530 for (i = 0; i < inlen; )
531 {
532 if (i)
533 BIO_write(bio_c_out, ", ", 2);
534 BIO_write(bio_c_out, &in[i + 1], in[i]);
535 i += in[i] + 1;
536 }
537 BIO_write(bio_c_out, "\n", 1);
538 }
539
540 ctx->status = SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len);
541 return SSL_TLSEXT_ERR_OK;
542 }
543 # endif /* ndef OPENSSL_NO_NEXTPROTONEG */
544 #endif
545
546 enum
547 {
548 PROTO_OFF = 0,
549 PROTO_SMTP,
550 PROTO_POP3,
551 PROTO_IMAP,
552 PROTO_FTP,
553 PROTO_XMPP
554 };
555
556 int MAIN(int, char **);
557
558 int MAIN(int argc, char **argv)
559 {
560 unsigned int off=0, clr=0;
561 SSL *con=NULL;
562 #ifndef OPENSSL_NO_KRB5
563 KSSL_CTX *kctx;
564 #endif
565 int s,k,width,state=0;
566 char *cbuf=NULL,*sbuf=NULL,*mbuf=NULL;
567 int cbuf_len,cbuf_off;
568 int sbuf_len,sbuf_off;
569 fd_set readfds,writefds;
570 short port=PORT;
571 int full_log=1;
572 char *host=SSL_HOST_NAME;
573 char *cert_file=NULL,*key_file=NULL;
574 int cert_format = FORMAT_PEM, key_format = FORMAT_PEM;
575 char *passarg = NULL, *pass = NULL;
576 X509 *cert = NULL;
577 EVP_PKEY *key = NULL;
578 char *CApath=NULL,*CAfile=NULL,*cipher=NULL;
579 int reconnect=0,badop=0,verify=SSL_VERIFY_NONE,bugs=0;
580 int crlf=0;
581 int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending;
582 SSL_CTX *ctx=NULL;
583 int ret=1,in_init=1,i,nbio_test=0;
584 int starttls_proto = PROTO_OFF;
585 int prexit = 0;
586 X509_VERIFY_PARAM *vpm = NULL;
587 int badarg = 0;
588 const SSL_METHOD *meth=NULL;
589 int socket_type=SOCK_STREAM;
590 BIO *sbio;
591 char *inrand=NULL;
592 int mbuf_len=0;
593 struct timeval timeout, *timeoutp;
594 #ifndef OPENSSL_NO_ENGINE
595 char *engine_id=NULL;
596 char *ssl_client_engine_id=NULL;
597 ENGINE *ssl_client_engine=NULL;
598 #endif
599 ENGINE *e=NULL;
600 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
601 struct timeval tv;
602 #if defined(OPENSSL_SYS_BEOS_R5)
603 int stdin_set = 0;
604 #endif
605 #endif
606 #ifndef OPENSSL_NO_TLSEXT
607 char *servername = NULL;
608 tlsextctx tlsextcbp =
609 {NULL,0};
610 # ifndef OPENSSL_NO_NEXTPROTONEG
611 const char *next_proto_neg_in = NULL;
612 # endif
613 #endif
614 char *sess_in = NULL;
615 char *sess_out = NULL;
616 struct sockaddr peer;
617 int peerlen = sizeof(peer);
618 int enable_timeouts = 0 ;
619 long socket_mtu = 0;
620 #ifndef OPENSSL_NO_JPAKE
621 char *jpake_secret = NULL;
622 #endif
623 #ifndef OPENSSL_NO_SRP
624 char * srppass = NULL;
625 int srp_lateuser = 0;
626 SRP_ARG srp_arg = {NULL,NULL,0,0,0,1024};
627 #endif
628
629 meth=SSLv23_client_method();
630
631 apps_startup();
632 c_Pause=0;
633 c_quiet=0;
634 c_ign_eof=0;
635 c_debug=0;
636 c_msg=0;
637 c_showcerts=0;
638
639 if (bio_err == NULL)
640 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
641
642 if (!load_config(bio_err, NULL))
643 goto end;
644
645 if ( ((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
646 ((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
647 ((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL))
648 {
649 BIO_printf(bio_err,"out of memory\n");
650 goto end;
651 }
652
653 verify_depth=0;
654 verify_error=X509_V_OK;
655 #ifdef FIONBIO
656 c_nbio=0;
657 #endif
658
659 argc--;
660 argv++;
661 while (argc >= 1)
662 {
663 if (strcmp(*argv,"-host") == 0)
664 {
665 if (--argc < 1) goto bad;
666 host= *(++argv);
667 }
668 else if (strcmp(*argv,"-port") == 0)
669 {
670 if (--argc < 1) goto bad;
671 port=atoi(*(++argv));
672 if (port == 0) goto bad;
673 }
674 else if (strcmp(*argv,"-connect") == 0)
675 {
676 if (--argc < 1) goto bad;
677 if (!extract_host_port(*(++argv),&host,NULL,&port))
678 goto bad;
679 }
680 else if (strcmp(*argv,"-verify") == 0)
681 {
682 verify=SSL_VERIFY_PEER;
683 if (--argc < 1) goto bad;
684 verify_depth=atoi(*(++argv));
685 BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
686 }
687 else if (strcmp(*argv,"-cert") == 0)
688 {
689 if (--argc < 1) goto bad;
690 cert_file= *(++argv);
691 }
692 else if (strcmp(*argv,"-sess_out") == 0)
693 {
694 if (--argc < 1) goto bad;
695 sess_out = *(++argv);
696 }
697 else if (strcmp(*argv,"-sess_in") == 0)
698 {
699 if (--argc < 1) goto bad;
700 sess_in = *(++argv);
701 }
702 else if (strcmp(*argv,"-certform") == 0)
703 {
704 if (--argc < 1) goto bad;
705 cert_format = str2fmt(*(++argv));
706 }
707 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
708 {
709 if (badarg)
710 goto bad;
711 continue;
712 }
713 else if (strcmp(*argv,"-verify_return_error") == 0)
714 verify_return_error = 1;
715 else if (strcmp(*argv,"-prexit") == 0)
716 prexit=1;
717 else if (strcmp(*argv,"-crlf") == 0)
718 crlf=1;
719 else if (strcmp(*argv,"-quiet") == 0)
720 {
721 c_quiet=1;
722 c_ign_eof=1;
723 }
724 else if (strcmp(*argv,"-ign_eof") == 0)
725 c_ign_eof=1;
726 else if (strcmp(*argv,"-no_ign_eof") == 0)
727 c_ign_eof=0;
728 else if (strcmp(*argv,"-pause") == 0)
729 c_Pause=1;
730 else if (strcmp(*argv,"-debug") == 0)
731 c_debug=1;
732 #ifndef OPENSSL_NO_TLSEXT
733 else if (strcmp(*argv,"-tlsextdebug") == 0)
734 c_tlsextdebug=1;
735 else if (strcmp(*argv,"-status") == 0)
736 c_status_req=1;
737 #endif
738 #ifdef WATT32
739 else if (strcmp(*argv,"-wdebug") == 0)
740 dbug_init();
741 #endif
742 else if (strcmp(*argv,"-msg") == 0)
743 c_msg=1;
744 else if (strcmp(*argv,"-showcerts") == 0)
745 c_showcerts=1;
746 else if (strcmp(*argv,"-nbio_test") == 0)
747 nbio_test=1;
748 else if (strcmp(*argv,"-state") == 0)
749 state=1;
750 #ifndef OPENSSL_NO_PSK
751 else if (strcmp(*argv,"-psk_identity") == 0)
752 {
753 if (--argc < 1) goto bad;
754 psk_identity=*(++argv);
755 }
756 else if (strcmp(*argv,"-psk") == 0)
757 {
758 size_t j;
759
760 if (--argc < 1) goto bad;
761 psk_key=*(++argv);
762 for (j = 0; j < strlen(psk_key); j++)
763 {
764 if (isxdigit((unsigned char)psk_key[j]))
765 continue;
766 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
767 goto bad;
768 }
769 }
770 #endif
771 #ifndef OPENSSL_NO_SRP
772 else if (strcmp(*argv,"-srpuser") == 0)
773 {
774 if (--argc < 1) goto bad;
775 srp_arg.srplogin= *(++argv);
776 meth=TLSv1_client_method();
777 }
778 else if (strcmp(*argv,"-srppass") == 0)
779 {
780 if (--argc < 1) goto bad;
781 srppass= *(++argv);
782 meth=TLSv1_client_method();
783 }
784 else if (strcmp(*argv,"-srp_strength") == 0)
785 {
786 if (--argc < 1) goto bad;
787 srp_arg.strength=atoi(*(++argv));
788 BIO_printf(bio_err,"SRP minimal length for N is %d\n",srp_arg.strength);
789 meth=TLSv1_client_method();
790 }
791 else if (strcmp(*argv,"-srp_lateuser") == 0)
792 {
793 srp_lateuser= 1;
794 meth=TLSv1_client_method();
795 }
796 else if (strcmp(*argv,"-srp_moregroups") == 0)
797 {
798 srp_arg.amp=1;
799 meth=TLSv1_client_method();
800 }
801 #endif
802 #ifndef OPENSSL_NO_SSL2
803 else if (strcmp(*argv,"-ssl2") == 0)
804 meth=SSLv2_client_method();
805 #endif
806 #ifndef OPENSSL_NO_SSL3
807 else if (strcmp(*argv,"-ssl3") == 0)
808 meth=SSLv3_client_method();
809 #endif
810 #ifndef OPENSSL_NO_TLS1
811 else if (strcmp(*argv,"-tls1_2") == 0)
812 meth=TLSv1_2_client_method();
813 else if (strcmp(*argv,"-tls1_1") == 0)
814 meth=TLSv1_1_client_method();
815 else if (strcmp(*argv,"-tls1") == 0)
816 meth=TLSv1_client_method();
817 #endif
818 #ifndef OPENSSL_NO_DTLS1
819 else if (strcmp(*argv,"-dtls1") == 0)
820 {
821 meth=DTLSv1_client_method();
822 socket_type=SOCK_DGRAM;
823 }
824 else if (strcmp(*argv,"-timeout") == 0)
825 enable_timeouts=1;
826 else if (strcmp(*argv,"-mtu") == 0)
827 {
828 if (--argc < 1) goto bad;
829 socket_mtu = atol(*(++argv));
830 }
831 #endif
832 else if (strcmp(*argv,"-bugs") == 0)
833 bugs=1;
834 else if (strcmp(*argv,"-keyform") == 0)
835 {
836 if (--argc < 1) goto bad;
837 key_format = str2fmt(*(++argv));
838 }
839 else if (strcmp(*argv,"-pass") == 0)
840 {
841 if (--argc < 1) goto bad;
842 passarg = *(++argv);
843 }
844 else if (strcmp(*argv,"-key") == 0)
845 {
846 if (--argc < 1) goto bad;
847 key_file= *(++argv);
848 }
849 else if (strcmp(*argv,"-reconnect") == 0)
850 {
851 reconnect=5;
852 }
853 else if (strcmp(*argv,"-CApath") == 0)
854 {
855 if (--argc < 1) goto bad;
856 CApath= *(++argv);
857 }
858 else if (strcmp(*argv,"-CAfile") == 0)
859 {
860 if (--argc < 1) goto bad;
861 CAfile= *(++argv);
862 }
863 else if (strcmp(*argv,"-no_tls1_2") == 0)
864 off|=SSL_OP_NO_TLSv1_2;
865 else if (strcmp(*argv,"-no_tls1_1") == 0)
866 off|=SSL_OP_NO_TLSv1_1;
867 else if (strcmp(*argv,"-no_tls1") == 0)
868 off|=SSL_OP_NO_TLSv1;
869 else if (strcmp(*argv,"-no_ssl3") == 0)
870 off|=SSL_OP_NO_SSLv3;
871 else if (strcmp(*argv,"-no_ssl2") == 0)
872 off|=SSL_OP_NO_SSLv2;
873 else if (strcmp(*argv,"-no_comp") == 0)
874 { off|=SSL_OP_NO_COMPRESSION; }
875 #ifndef OPENSSL_NO_TLSEXT
876 else if (strcmp(*argv,"-no_ticket") == 0)
877 { off|=SSL_OP_NO_TICKET; }
878 # ifndef OPENSSL_NO_NEXTPROTONEG
879 else if (strcmp(*argv,"-nextprotoneg") == 0)
880 {
881 if (--argc < 1) goto bad;
882 next_proto_neg_in = *(++argv);
883 }
884 # endif
885 #endif
886 else if (strcmp(*argv,"-serverpref") == 0)
887 off|=SSL_OP_CIPHER_SERVER_PREFERENCE;
888 else if (strcmp(*argv,"-legacy_renegotiation") == 0)
889 off|=SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION;
890 else if (strcmp(*argv,"-legacy_server_connect") == 0)
891 { off|=SSL_OP_LEGACY_SERVER_CONNECT; }
892 else if (strcmp(*argv,"-no_legacy_server_connect") == 0)
893 { clr|=SSL_OP_LEGACY_SERVER_CONNECT; }
894 else if (strcmp(*argv,"-cipher") == 0)
895 {
896 if (--argc < 1) goto bad;
897 cipher= *(++argv);
898 }
899 #ifdef FIONBIO
900 else if (strcmp(*argv,"-nbio") == 0)
901 { c_nbio=1; }
902 #endif
903 else if (strcmp(*argv,"-starttls") == 0)
904 {
905 if (--argc < 1) goto bad;
906 ++argv;
907 if (strcmp(*argv,"smtp") == 0)
908 starttls_proto = PROTO_SMTP;
909 else if (strcmp(*argv,"pop3") == 0)
910 starttls_proto = PROTO_POP3;
911 else if (strcmp(*argv,"imap") == 0)
912 starttls_proto = PROTO_IMAP;
913 else if (strcmp(*argv,"ftp") == 0)
914 starttls_proto = PROTO_FTP;
915 else if (strcmp(*argv, "xmpp") == 0)
916 starttls_proto = PROTO_XMPP;
917 else
918 goto bad;
919 }
920 #ifndef OPENSSL_NO_ENGINE
921 else if (strcmp(*argv,"-engine") == 0)
922 {
923 if (--argc < 1) goto bad;
924 engine_id = *(++argv);
925 }
926 else if (strcmp(*argv,"-ssl_client_engine") == 0)
927 {
928 if (--argc < 1) goto bad;
929 ssl_client_engine_id = *(++argv);
930 }
931 #endif
932 else if (strcmp(*argv,"-rand") == 0)
933 {
934 if (--argc < 1) goto bad;
935 inrand= *(++argv);
936 }
937 #ifndef OPENSSL_NO_TLSEXT
938 else if (strcmp(*argv,"-servername") == 0)
939 {
940 if (--argc < 1) goto bad;
941 servername= *(++argv);
942 /* meth=TLSv1_client_method(); */
943 }
944 #endif
945 #ifndef OPENSSL_NO_JPAKE
946 else if (strcmp(*argv,"-jpake") == 0)
947 {
948 if (--argc < 1) goto bad;
949 jpake_secret = *++argv;
950 }
951 #endif
952 #ifndef OPENSSL_NO_SRTP
953 else if (strcmp(*argv,"-use_srtp") == 0)
954 {
955 if (--argc < 1) goto bad;
956 srtp_profiles = *(++argv);
957 }
958 #endif
959 else if (strcmp(*argv,"-keymatexport") == 0)
960 {
961 if (--argc < 1) goto bad;
962 keymatexportlabel= *(++argv);
963 }
964 else if (strcmp(*argv,"-keymatexportlen") == 0)
965 {
966 if (--argc < 1) goto bad;
967 keymatexportlen=atoi(*(++argv));
968 if (keymatexportlen == 0) goto bad;
969 }
970 else
971 {
972 BIO_printf(bio_err,"unknown option %s\n",*argv);
973 badop=1;
974 break;
975 }
976 argc--;
977 argv++;
978 }
979 if (badop)
980 {
981 bad:
982 sc_usage();
983 goto end;
984 }
985
986 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
987 if (jpake_secret)
988 {
989 if (psk_key)
990 {
991 BIO_printf(bio_err,
992 "Can't use JPAKE and PSK together\n");
993 goto end;
994 }
995 psk_identity = "JPAKE";
996 if (cipher)
997 {
998 BIO_printf(bio_err, "JPAKE sets cipher to PSK\n");
999 goto end;
1000 }
1001 cipher = "PSK";
1002 }
1003 #endif
1004
1005 OpenSSL_add_ssl_algorithms();
1006 SSL_load_error_strings();
1007
1008 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
1009 next_proto.status = -1;
1010 if (next_proto_neg_in)
1011 {
1012 next_proto.data = next_protos_parse(&next_proto.len, next_proto_neg_in);
1013 if (next_proto.data == NULL)
1014 {
1015 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n");
1016 goto end;
1017 }
1018 }
1019 else
1020 next_proto.data = NULL;
1021 #endif
1022
1023 #ifndef OPENSSL_NO_ENGINE
1024 e = setup_engine(bio_err, engine_id, 1);
1025 if (ssl_client_engine_id)
1026 {
1027 ssl_client_engine = ENGINE_by_id(ssl_client_engine_id);
1028 if (!ssl_client_engine)
1029 {
1030 BIO_printf(bio_err,
1031 "Error getting client auth engine\n");
1032 goto end;
1033 }
1034 }
1035
1036 #endif
1037 if (!app_passwd(bio_err, passarg, NULL, &pass, NULL))
1038 {
1039 BIO_printf(bio_err, "Error getting password\n");
1040 goto end;
1041 }
1042
1043 if (key_file == NULL)
1044 key_file = cert_file;
1045
1046
1047 if (key_file)
1048
1049 {
1050
1051 key = load_key(bio_err, key_file, key_format, 0, pass, e,
1052 "client certificate private key file");
1053 if (!key)
1054 {
1055 ERR_print_errors(bio_err);
1056 goto end;
1057 }
1058
1059 }
1060
1061 if (cert_file)
1062
1063 {
1064 cert = load_cert(bio_err,cert_file,cert_format,
1065 NULL, e, "client certificate file");
1066
1067 if (!cert)
1068 {
1069 ERR_print_errors(bio_err);
1070 goto end;
1071 }
1072 }
1073
1074 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1075 && !RAND_status())
1076 {
1077 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
1078 }
1079 if (inrand != NULL)
1080 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
1081 app_RAND_load_files(inrand));
1082
1083 if (bio_c_out == NULL)
1084 {
1085 if (c_quiet && !c_debug && !c_msg)
1086 {
1087 bio_c_out=BIO_new(BIO_s_null());
1088 }
1089 else
1090 {
1091 if (bio_c_out == NULL)
1092 bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE);
1093 }
1094 }
1095
1096 #ifndef OPENSSL_NO_SRP
1097 if(!app_passwd(bio_err, srppass, NULL, &srp_arg.srppassin, NULL))
1098 {
1099 BIO_printf(bio_err, "Error getting password\n");
1100 goto end;
1101 }
1102 #endif
1103
1104 ctx=SSL_CTX_new(meth);
1105 if (ctx == NULL)
1106 {
1107 ERR_print_errors(bio_err);
1108 goto end;
1109 }
1110
1111 if (vpm)
1112 SSL_CTX_set1_param(ctx, vpm);
1113
1114 #ifndef OPENSSL_NO_ENGINE
1115 if (ssl_client_engine)
1116 {
1117 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine))
1118 {
1119 BIO_puts(bio_err, "Error setting client auth engine\n");
1120 ERR_print_errors(bio_err);
1121 ENGINE_free(ssl_client_engine);
1122 goto end;
1123 }
1124 ENGINE_free(ssl_client_engine);
1125 }
1126 #endif
1127
1128 #ifndef OPENSSL_NO_PSK
1129 #ifdef OPENSSL_NO_JPAKE
1130 if (psk_key != NULL)
1131 #else
1132 if (psk_key != NULL || jpake_secret)
1133 #endif
1134 {
1135 if (c_debug)
1136 BIO_printf(bio_c_out, "PSK key given or JPAKE in use, setting client callback\n");
1137 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
1138 }
1139 #endif
1140 #ifndef OPENSSL_NO_SRTP
1141 if (srtp_profiles != NULL)
1142 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1143 #endif
1144 if (bugs)
1145 SSL_CTX_set_options(ctx,SSL_OP_ALL|off);
1146 else
1147 SSL_CTX_set_options(ctx,off);
1148
1149 if (clr)
1150 SSL_CTX_clear_options(ctx, clr);
1151 /* DTLS: partial reads end up discarding unread UDP bytes :-(
1152 * Setting read ahead solves this problem.
1153 */
1154 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1155
1156 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
1157 if (next_proto.data)
1158 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
1159 #endif
1160
1161 if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1162 if (cipher != NULL)
1163 if(!SSL_CTX_set_cipher_list(ctx,cipher)) {
1164 BIO_printf(bio_err,"error setting cipher list\n");
1165 ERR_print_errors(bio_err);
1166 goto end;
1167 }
1168 #if 0
1169 else
1170 SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER"));
1171 #endif
1172
1173 SSL_CTX_set_verify(ctx,verify,verify_callback);
1174 if (!set_cert_key_stuff(ctx,cert,key))
1175 goto end;
1176
1177 if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
1178 (!SSL_CTX_set_default_verify_paths(ctx)))
1179 {
1180 /* BIO_printf(bio_err,"error setting default verify locations\n"); */
1181 ERR_print_errors(bio_err);
1182 /* goto end; */
1183 }
1184
1185 #ifndef OPENSSL_NO_TLSEXT
1186 if (servername != NULL)
1187 {
1188 tlsextcbp.biodebug = bio_err;
1189 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1190 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1191 }
1192 #ifndef OPENSSL_NO_SRP
1193 if (srp_arg.srplogin)
1194 {
1195 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin))
1196 {
1197 BIO_printf(bio_err,"Unable to set SRP username\n");
1198 goto end;
1199 }
1200 srp_arg.msg = c_msg;
1201 srp_arg.debug = c_debug ;
1202 SSL_CTX_set_srp_cb_arg(ctx,&srp_arg);
1203 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb);
1204 SSL_CTX_set_srp_strength(ctx, srp_arg.strength);
1205 if (c_msg || c_debug || srp_arg.amp == 0)
1206 SSL_CTX_set_srp_verify_param_callback(ctx, ssl_srp_verify_param_cb);
1207 }
1208
1209 #endif
1210 #endif
1211
1212 con=SSL_new(ctx);
1213 if (sess_in)
1214 {
1215 SSL_SESSION *sess;
1216 BIO *stmp = BIO_new_file(sess_in, "r");
1217 if (!stmp)
1218 {
1219 BIO_printf(bio_err, "Can't open session file %s\n",
1220 sess_in);
1221 ERR_print_errors(bio_err);
1222 goto end;
1223 }
1224 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1225 BIO_free(stmp);
1226 if (!sess)
1227 {
1228 BIO_printf(bio_err, "Can't open session file %s\n",
1229 sess_in);
1230 ERR_print_errors(bio_err);
1231 goto end;
1232 }
1233 SSL_set_session(con, sess);
1234 SSL_SESSION_free(sess);
1235 }
1236 #ifndef OPENSSL_NO_TLSEXT
1237 if (servername != NULL)
1238 {
1239 if (!SSL_set_tlsext_host_name(con,servername))
1240 {
1241 BIO_printf(bio_err,"Unable to set TLS servername extension.\n");
1242 ERR_print_errors(bio_err);
1243 goto end;
1244 }
1245 }
1246 #endif
1247 #ifndef OPENSSL_NO_KRB5
1248 if (con && (kctx = kssl_ctx_new()) != NULL)
1249 {
1250 SSL_set0_kssl_ctx(con, kctx);
1251 kssl_ctx_setstring(kctx, KSSL_SERVER, host);
1252 }
1253 #endif /* OPENSSL_NO_KRB5 */
1254 /* SSL_set_cipher_list(con,"RC4-MD5"); */
1255 #if 0
1256 #ifdef TLSEXT_TYPE_opaque_prf_input
1257 SSL_set_tlsext_opaque_prf_input(con, "Test client", 11);
1258 #endif
1259 #endif
1260
1261 re_start:
1262
1263 if (init_client(&s,host,port,socket_type) == 0)
1264 {
1265 BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error());
1266 SHUTDOWN(s);
1267 goto end;
1268 }
1269 BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s);
1270
1271 #ifdef FIONBIO
1272 if (c_nbio)
1273 {
1274 unsigned long l=1;
1275 BIO_printf(bio_c_out,"turning on non blocking io\n");
1276 if (BIO_socket_ioctl(s,FIONBIO,&l) < 0)
1277 {
1278 ERR_print_errors(bio_err);
1279 goto end;
1280 }
1281 }
1282 #endif
1283 if (c_Pause & 0x01) SSL_set_debug(con, 1);
1284
1285 if ( SSL_version(con) == DTLS1_VERSION)
1286 {
1287
1288 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
1289 if (getsockname(s, &peer, (void *)&peerlen) < 0)
1290 {
1291 BIO_printf(bio_err, "getsockname:errno=%d\n",
1292 get_last_socket_error());
1293 SHUTDOWN(s);
1294 goto end;
1295 }
1296
1297 (void)BIO_ctrl_set_connected(sbio, 1, &peer);
1298
1299 if (enable_timeouts)
1300 {
1301 timeout.tv_sec = 0;
1302 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1303 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1304
1305 timeout.tv_sec = 0;
1306 timeout.tv_usec = DGRAM_SND_TIMEOUT;
1307 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1308 }
1309
1310 if (socket_mtu > 28)
1311 {
1312 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1313 SSL_set_mtu(con, socket_mtu - 28);
1314 }
1315 else
1316 /* want to do MTU discovery */
1317 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1318 }
1319 else
1320 sbio=BIO_new_socket(s,BIO_NOCLOSE);
1321
1322 if (nbio_test)
1323 {
1324 BIO *test;
1325
1326 test=BIO_new(BIO_f_nbio_test());
1327 sbio=BIO_push(test,sbio);
1328 }
1329
1330 if (c_debug)
1331 {
1332 SSL_set_debug(con, 1);
1333 BIO_set_callback(sbio,bio_dump_callback);
1334 BIO_set_callback_arg(sbio,(char *)bio_c_out);
1335 }
1336 if (c_msg)
1337 {
1338 SSL_set_msg_callback(con, msg_cb);
1339 SSL_set_msg_callback_arg(con, bio_c_out);
1340 }
1341 #ifndef OPENSSL_NO_TLSEXT
1342 if (c_tlsextdebug)
1343 {
1344 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1345 SSL_set_tlsext_debug_arg(con, bio_c_out);
1346 }
1347 if (c_status_req)
1348 {
1349 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
1350 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
1351 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
1352 #if 0
1353 {
1354 STACK_OF(OCSP_RESPID) *ids = sk_OCSP_RESPID_new_null();
1355 OCSP_RESPID *id = OCSP_RESPID_new();
1356 id->value.byKey = ASN1_OCTET_STRING_new();
1357 id->type = V_OCSP_RESPID_KEY;
1358 ASN1_STRING_set(id->value.byKey, "Hello World", -1);
1359 sk_OCSP_RESPID_push(ids, id);
1360 SSL_set_tlsext_status_ids(con, ids);
1361 }
1362 #endif
1363 }
1364 #endif
1365 #ifndef OPENSSL_NO_JPAKE
1366 if (jpake_secret)
1367 jpake_client_auth(bio_c_out, sbio, jpake_secret);
1368 #endif
1369
1370 SSL_set_bio(con,sbio,sbio);
1371 SSL_set_connect_state(con);
1372
1373 /* ok, lets connect */
1374 width=SSL_get_fd(con)+1;
1375
1376 read_tty=1;
1377 write_tty=0;
1378 tty_on=0;
1379 read_ssl=1;
1380 write_ssl=1;
1381
1382 cbuf_len=0;
1383 cbuf_off=0;
1384 sbuf_len=0;
1385 sbuf_off=0;
1386
1387 /* This is an ugly hack that does a lot of assumptions */
1388 /* We do have to handle multi-line responses which may come
1389 in a single packet or not. We therefore have to use
1390 BIO_gets() which does need a buffering BIO. So during
1391 the initial chitchat we do push a buffering BIO into the
1392 chain that is removed again later on to not disturb the
1393 rest of the s_client operation. */
1394 if (starttls_proto == PROTO_SMTP)
1395 {
1396 int foundit=0;
1397 BIO *fbio = BIO_new(BIO_f_buffer());
1398 BIO_push(fbio, sbio);
1399 /* wait for multi-line response to end from SMTP */
1400 do
1401 {
1402 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1403 }
1404 while (mbuf_len>3 && mbuf[3]=='-');
1405 /* STARTTLS command requires EHLO... */
1406 BIO_printf(fbio,"EHLO openssl.client.net\r\n");
1407 (void)BIO_flush(fbio);
1408 /* wait for multi-line response to end EHLO SMTP response */
1409 do
1410 {
1411 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1412 if (strstr(mbuf,"STARTTLS"))
1413 foundit=1;
1414 }
1415 while (mbuf_len>3 && mbuf[3]=='-');
1416 (void)BIO_flush(fbio);
1417 BIO_pop(fbio);
1418 BIO_free(fbio);
1419 if (!foundit)
1420 BIO_printf(bio_err,
1421 "didn't found starttls in server response,"
1422 " try anyway...\n");
1423 BIO_printf(sbio,"STARTTLS\r\n");
1424 BIO_read(sbio,sbuf,BUFSIZZ);
1425 }
1426 else if (starttls_proto == PROTO_POP3)
1427 {
1428 BIO_read(sbio,mbuf,BUFSIZZ);
1429 BIO_printf(sbio,"STLS\r\n");
1430 BIO_read(sbio,sbuf,BUFSIZZ);
1431 }
1432 else if (starttls_proto == PROTO_IMAP)
1433 {
1434 int foundit=0;
1435 BIO *fbio = BIO_new(BIO_f_buffer());
1436 BIO_push(fbio, sbio);
1437 BIO_gets(fbio,mbuf,BUFSIZZ);
1438 /* STARTTLS command requires CAPABILITY... */
1439 BIO_printf(fbio,". CAPABILITY\r\n");
1440 (void)BIO_flush(fbio);
1441 /* wait for multi-line CAPABILITY response */
1442 do
1443 {
1444 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1445 if (strstr(mbuf,"STARTTLS"))
1446 foundit=1;
1447 }
1448 while (mbuf_len>3 && mbuf[0]!='.');
1449 (void)BIO_flush(fbio);
1450 BIO_pop(fbio);
1451 BIO_free(fbio);
1452 if (!foundit)
1453 BIO_printf(bio_err,
1454 "didn't found STARTTLS in server response,"
1455 " try anyway...\n");
1456 BIO_printf(sbio,". STARTTLS\r\n");
1457 BIO_read(sbio,sbuf,BUFSIZZ);
1458 }
1459 else if (starttls_proto == PROTO_FTP)
1460 {
1461 BIO *fbio = BIO_new(BIO_f_buffer());
1462 BIO_push(fbio, sbio);
1463 /* wait for multi-line response to end from FTP */
1464 do
1465 {
1466 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1467 }
1468 while (mbuf_len>3 && mbuf[3]=='-');
1469 (void)BIO_flush(fbio);
1470 BIO_pop(fbio);
1471 BIO_free(fbio);
1472 BIO_printf(sbio,"AUTH TLS\r\n");
1473 BIO_read(sbio,sbuf,BUFSIZZ);
1474 }
1475 if (starttls_proto == PROTO_XMPP)
1476 {
1477 int seen = 0;
1478 BIO_printf(sbio,"<stream:stream "
1479 "xmlns:stream='http://etherx.jabber.org/streams' "
1480 "xmlns='jabber:client' to='%s' version='1.0'>", host);
1481 seen = BIO_read(sbio,mbuf,BUFSIZZ);
1482 mbuf[seen] = 0;
1483 while (!strstr(mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'"))
1484 {
1485 if (strstr(mbuf, "/stream:features>"))
1486 goto shut;
1487 seen = BIO_read(sbio,mbuf,BUFSIZZ);
1488 mbuf[seen] = 0;
1489 }
1490 BIO_printf(sbio, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
1491 seen = BIO_read(sbio,sbuf,BUFSIZZ);
1492 sbuf[seen] = 0;
1493 if (!strstr(sbuf, "<proceed"))
1494 goto shut;
1495 mbuf[0] = 0;
1496 }
1497
1498 for (;;)
1499 {
1500 FD_ZERO(&readfds);
1501 FD_ZERO(&writefds);
1502
1503 if ((SSL_version(con) == DTLS1_VERSION) &&
1504 DTLSv1_get_timeout(con, &timeout))
1505 timeoutp = &timeout;
1506 else
1507 timeoutp = NULL;
1508
1509 if (SSL_in_init(con) && !SSL_total_renegotiations(con))
1510 {
1511 in_init=1;
1512 tty_on=0;
1513 }
1514 else
1515 {
1516 tty_on=1;
1517 if (in_init)
1518 {
1519 in_init=0;
1520 #if 0 /* This test doesn't really work as intended (needs to be fixed) */
1521 #ifndef OPENSSL_NO_TLSEXT
1522 if (servername != NULL && !SSL_session_reused(con))
1523 {
1524 BIO_printf(bio_c_out,"Server did %sacknowledge servername extension.\n",tlsextcbp.ack?"":"not ");
1525 }
1526 #endif
1527 #endif
1528 if (sess_out)
1529 {
1530 BIO *stmp = BIO_new_file(sess_out, "w");
1531 if (stmp)
1532 {
1533 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));
1534 BIO_free(stmp);
1535 }
1536 else
1537 BIO_printf(bio_err, "Error writing session file %s\n", sess_out);
1538 }
1539 print_stuff(bio_c_out,con,full_log);
1540 if (full_log > 0) full_log--;
1541
1542 if (starttls_proto)
1543 {
1544 BIO_printf(bio_err,"%s",mbuf);
1545 /* We don't need to know any more */
1546 starttls_proto = PROTO_OFF;
1547 }
1548
1549 if (reconnect)
1550 {
1551 reconnect--;
1552 BIO_printf(bio_c_out,"drop connection and then reconnect\n");
1553 SSL_shutdown(con);
1554 SSL_set_connect_state(con);
1555 SHUTDOWN(SSL_get_fd(con));
1556 goto re_start;
1557 }
1558 }
1559 }
1560
1561 ssl_pending = read_ssl && SSL_pending(con);
1562
1563 if (!ssl_pending)
1564 {
1565 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined (OPENSSL_SYS_BEOS_R5)
1566 if (tty_on)
1567 {
1568 if (read_tty) openssl_fdset(fileno(stdin),&readfds);
1569 if (write_tty) openssl_fdset(fileno(stdout),&writefds);
1570 }
1571 if (read_ssl)
1572 openssl_fdset(SSL_get_fd(con),&readfds);
1573 if (write_ssl)
1574 openssl_fdset(SSL_get_fd(con),&writefds);
1575 #else
1576 if(!tty_on || !write_tty) {
1577 if (read_ssl)
1578 openssl_fdset(SSL_get_fd(con),&readfds);
1579 if (write_ssl)
1580 openssl_fdset(SSL_get_fd(con),&writefds);
1581 }
1582 #endif
1583 /* printf("mode tty(%d %d%d) ssl(%d%d)\n",
1584 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
1585
1586 /* Note: under VMS with SOCKETSHR the second parameter
1587 * is currently of type (int *) whereas under other
1588 * systems it is (void *) if you don't have a cast it
1589 * will choke the compiler: if you do have a cast then
1590 * you can either go for (int *) or (void *).
1591 */
1592 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1593 /* Under Windows/DOS we make the assumption that we can
1594 * always write to the tty: therefore if we need to
1595 * write to the tty we just fall through. Otherwise
1596 * we timeout the select every second and see if there
1597 * are any keypresses. Note: this is a hack, in a proper
1598 * Windows application we wouldn't do this.
1599 */
1600 i=0;
1601 if(!write_tty) {
1602 if(read_tty) {
1603 tv.tv_sec = 1;
1604 tv.tv_usec = 0;
1605 i=select(width,(void *)&readfds,(void *)&writefds,
1606 NULL,&tv);
1607 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1608 if(!i && (!_kbhit() || !read_tty) ) continue;
1609 #else
1610 if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue;
1611 #endif
1612 } else i=select(width,(void *)&readfds,(void *)&writefds,
1613 NULL,timeoutp);
1614 }
1615 #elif defined(OPENSSL_SYS_NETWARE)
1616 if(!write_tty) {
1617 if(read_tty) {
1618 tv.tv_sec = 1;
1619 tv.tv_usec = 0;
1620 i=select(width,(void *)&readfds,(void *)&writefds,
1621 NULL,&tv);
1622 } else i=select(width,(void *)&readfds,(void *)&writefds,
1623 NULL,timeoutp);
1624 }
1625 #elif defined(OPENSSL_SYS_BEOS_R5)
1626 /* Under BeOS-R5 the situation is similar to DOS */
1627 i=0;
1628 stdin_set = 0;
1629 (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
1630 if(!write_tty) {
1631 if(read_tty) {
1632 tv.tv_sec = 1;
1633 tv.tv_usec = 0;
1634 i=select(width,(void *)&readfds,(void *)&writefds,
1635 NULL,&tv);
1636 if (read(fileno(stdin), sbuf, 0) >= 0)
1637 stdin_set = 1;
1638 if (!i && (stdin_set != 1 || !read_tty))
1639 continue;
1640 } else i=select(width,(void *)&readfds,(void *)&writefds,
1641 NULL,timeoutp);
1642 }
1643 (void)fcntl(fileno(stdin), F_SETFL, 0);
1644 #else
1645 i=select(width,(void *)&readfds,(void *)&writefds,
1646 NULL,timeoutp);
1647 #endif
1648 if ( i < 0)
1649 {
1650 BIO_printf(bio_err,"bad select %d\n",
1651 get_last_socket_error());
1652 goto shut;
1653 /* goto end; */
1654 }
1655 }
1656
1657 if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
1658 {
1659 BIO_printf(bio_err,"TIMEOUT occured\n");
1660 }
1661
1662 if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds))
1663 {
1664 k=SSL_write(con,&(cbuf[cbuf_off]),
1665 (unsigned int)cbuf_len);
1666 switch (SSL_get_error(con,k))
1667 {
1668 case SSL_ERROR_NONE:
1669 cbuf_off+=k;
1670 cbuf_len-=k;
1671 if (k <= 0) goto end;
1672 /* we have done a write(con,NULL,0); */
1673 if (cbuf_len <= 0)
1674 {
1675 read_tty=1;
1676 write_ssl=0;
1677 }
1678 else /* if (cbuf_len > 0) */
1679 {
1680 read_tty=0;
1681 write_ssl=1;
1682 }
1683 break;
1684 case SSL_ERROR_WANT_WRITE:
1685 BIO_printf(bio_c_out,"write W BLOCK\n");
1686 write_ssl=1;
1687 read_tty=0;
1688 break;
1689 case SSL_ERROR_WANT_READ:
1690 BIO_printf(bio_c_out,"write R BLOCK\n");
1691 write_tty=0;
1692 read_ssl=1;
1693 write_ssl=0;
1694 break;
1695 case SSL_ERROR_WANT_X509_LOOKUP:
1696 BIO_printf(bio_c_out,"write X BLOCK\n");
1697 break;
1698 case SSL_ERROR_ZERO_RETURN:
1699 if (cbuf_len != 0)
1700 {
1701 BIO_printf(bio_c_out,"shutdown\n");
1702 ret = 0;
1703 goto shut;
1704 }
1705 else
1706 {
1707 read_tty=1;
1708 write_ssl=0;
1709 break;
1710 }
1711
1712 case SSL_ERROR_SYSCALL:
1713 if ((k != 0) || (cbuf_len != 0))
1714 {
1715 BIO_printf(bio_err,"write:errno=%d\n",
1716 get_last_socket_error());
1717 goto shut;
1718 }
1719 else
1720 {
1721 read_tty=1;
1722 write_ssl=0;
1723 }
1724 break;
1725 case SSL_ERROR_SSL:
1726 ERR_print_errors(bio_err);
1727 goto shut;
1728 }
1729 }
1730 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
1731 /* Assume Windows/DOS/BeOS can always write */
1732 else if (!ssl_pending && write_tty)
1733 #else
1734 else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds))
1735 #endif
1736 {
1737 #ifdef CHARSET_EBCDIC
1738 ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len);
1739 #endif
1740 i=raw_write_stdout(&(sbuf[sbuf_off]),sbuf_len);
1741
1742 if (i <= 0)
1743 {
1744 BIO_printf(bio_c_out,"DONE\n");
1745 ret = 0;
1746 goto shut;
1747 /* goto end; */
1748 }
1749
1750 sbuf_len-=i;;
1751 sbuf_off+=i;
1752 if (sbuf_len <= 0)
1753 {
1754 read_ssl=1;
1755 write_tty=0;
1756 }
1757 }
1758 else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds))
1759 {
1760 #ifdef RENEG
1761 { static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } }
1762 #endif
1763 #if 1
1764 k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ );
1765 #else
1766 /* Demo for pending and peek :-) */
1767 k=SSL_read(con,sbuf,16);
1768 { char zbuf[10240];
1769 printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240));
1770 }
1771 #endif
1772
1773 switch (SSL_get_error(con,k))
1774 {
1775 case SSL_ERROR_NONE:
1776 if (k <= 0)
1777 goto end;
1778 sbuf_off=0;
1779 sbuf_len=k;
1780
1781 read_ssl=0;
1782 write_tty=1;
1783 break;
1784 case SSL_ERROR_WANT_WRITE:
1785 BIO_printf(bio_c_out,"read W BLOCK\n");
1786 write_ssl=1;
1787 read_tty=0;
1788 break;
1789 case SSL_ERROR_WANT_READ:
1790 BIO_printf(bio_c_out,"read R BLOCK\n");
1791 write_tty=0;
1792 read_ssl=1;
1793 if ((read_tty == 0) && (write_ssl == 0))
1794 write_ssl=1;
1795 break;
1796 case SSL_ERROR_WANT_X509_LOOKUP:
1797 BIO_printf(bio_c_out,"read X BLOCK\n");
1798 break;
1799 case SSL_ERROR_SYSCALL:
1800 ret=get_last_socket_error();
1801 BIO_printf(bio_err,"read:errno=%d\n",ret);
1802 goto shut;
1803 case SSL_ERROR_ZERO_RETURN:
1804 BIO_printf(bio_c_out,"closed\n");
1805 ret=0;
1806 goto shut;
1807 case SSL_ERROR_SSL:
1808 ERR_print_errors(bio_err);
1809 goto shut;
1810 /* break; */
1811 }
1812 }
1813
1814 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1815 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1816 else if (_kbhit())
1817 #else
1818 else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
1819 #endif
1820 #elif defined (OPENSSL_SYS_NETWARE)
1821 else if (_kbhit())
1822 #elif defined(OPENSSL_SYS_BEOS_R5)
1823 else if (stdin_set)
1824 #else
1825 else if (FD_ISSET(fileno(stdin),&readfds))
1826 #endif
1827 {
1828 if (crlf)
1829 {
1830 int j, lf_num;
1831
1832 i=raw_read_stdin(cbuf,BUFSIZZ/2);
1833 lf_num = 0;
1834 /* both loops are skipped when i <= 0 */
1835 for (j = 0; j < i; j++)
1836 if (cbuf[j] == '\n')
1837 lf_num++;
1838 for (j = i-1; j >= 0; j--)
1839 {
1840 cbuf[j+lf_num] = cbuf[j];
1841 if (cbuf[j] == '\n')
1842 {
1843 lf_num--;
1844 i++;
1845 cbuf[j+lf_num] = '\r';
1846 }
1847 }
1848 assert(lf_num == 0);
1849 }
1850 else
1851 i=raw_read_stdin(cbuf,BUFSIZZ);
1852
1853 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q')))
1854 {
1855 BIO_printf(bio_err,"DONE\n");
1856 ret=0;
1857 goto shut;
1858 }
1859
1860 if ((!c_ign_eof) && (cbuf[0] == 'R'))
1861 {
1862 BIO_printf(bio_err,"RENEGOTIATING\n");
1863 SSL_renegotiate(con);
1864 cbuf_len=0;
1865 }
1866 #ifndef OPENSSL_NO_HEARTBEATS
1867 else if ((!c_ign_eof) && (cbuf[0] == 'B'))
1868 {
1869 BIO_printf(bio_err,"HEARTBEATING\n");
1870 SSL_heartbeat(con);
1871 cbuf_len=0;
1872 }
1873 #endif
1874 else
1875 {
1876 cbuf_len=i;
1877 cbuf_off=0;
1878 #ifdef CHARSET_EBCDIC
1879 ebcdic2ascii(cbuf, cbuf, i);
1880 #endif
1881 }
1882
1883 write_ssl=1;
1884 read_tty=0;
1885 }
1886 }
1887
1888 ret=0;
1889 shut:
1890 if (in_init)
1891 print_stuff(bio_c_out,con,full_log);
1892 SSL_shutdown(con);
1893 SHUTDOWN(SSL_get_fd(con));
1894 end:
1895 if (con != NULL)
1896 {
1897 if (prexit != 0)
1898 print_stuff(bio_c_out,con,1);
1899 SSL_free(con);
1900 }
1901 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
1902 if (next_proto.data)
1903 OPENSSL_free(next_proto.data);
1904 #endif
1905 if (ctx != NULL) SSL_CTX_free(ctx);
1906 if (cert)
1907 X509_free(cert);
1908 if (key)
1909 EVP_PKEY_free(key);
1910 if (pass)
1911 OPENSSL_free(pass);
1912 if (vpm)
1913 X509_VERIFY_PARAM_free(vpm);
1914 if (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); }
1915 if (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); }
1916 if (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); }
1917 if (bio_c_out != NULL)
1918 {
1919 BIO_free(bio_c_out);
1920 bio_c_out=NULL;
1921 }
1922 apps_shutdown();
1923 OPENSSL_EXIT(ret);
1924 }
1925
1926
1927 static void print_stuff(BIO *bio, SSL *s, int full)
1928 {
1929 X509 *peer=NULL;
1930 char *p;
1931 static const char *space=" ";
1932 char buf[BUFSIZ];
1933 STACK_OF(X509) *sk;
1934 STACK_OF(X509_NAME) *sk2;
1935 const SSL_CIPHER *c;
1936 X509_NAME *xn;
1937 int j,i;
1938 #ifndef OPENSSL_NO_COMP
1939 const COMP_METHOD *comp, *expansion;
1940 #endif
1941 unsigned char *exportedkeymat;
1942
1943 if (full)
1944 {
1945 int got_a_chain = 0;
1946
1947 sk=SSL_get_peer_cert_chain(s);
1948 if (sk != NULL)
1949 {
1950 got_a_chain = 1; /* we don't have it for SSL2 (yet) */
1951
1952 BIO_printf(bio,"---\nCertificate chain\n");
1953 for (i=0; i<sk_X509_num(sk); i++)
1954 {
1955 X509_NAME_oneline(X509_get_subject_name(
1956 sk_X509_value(sk,i)),buf,sizeof buf);
1957 BIO_printf(bio,"%2d s:%s\n",i,buf);
1958 X509_NAME_oneline(X509_get_issuer_name(
1959 sk_X509_value(sk,i)),buf,sizeof buf);
1960 BIO_printf(bio," i:%s\n",buf);
1961 if (c_showcerts)
1962 PEM_write_bio_X509(bio,sk_X509_value(sk,i));
1963 }
1964 }
1965
1966 BIO_printf(bio,"---\n");
1967 peer=SSL_get_peer_certificate(s);
1968 if (peer != NULL)
1969 {
1970 BIO_printf(bio,"Server certificate\n");
1971 if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */
1972 PEM_write_bio_X509(bio,peer);
1973 X509_NAME_oneline(X509_get_subject_name(peer),
1974 buf,sizeof buf);
1975 BIO_printf(bio,"subject=%s\n",buf);
1976 X509_NAME_oneline(X509_get_issuer_name(peer),
1977 buf,sizeof buf);
1978 BIO_printf(bio,"issuer=%s\n",buf);
1979 }
1980 else
1981 BIO_printf(bio,"no peer certificate available\n");
1982
1983 sk2=SSL_get_client_CA_list(s);
1984 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0))
1985 {
1986 BIO_printf(bio,"---\nAcceptable client certificate CA names\n");
1987 for (i=0; i<sk_X509_NAME_num(sk2); i++)
1988 {
1989 xn=sk_X509_NAME_value(sk2,i);
1990 X509_NAME_oneline(xn,buf,sizeof(buf));
1991 BIO_write(bio,buf,strlen(buf));
1992 BIO_write(bio,"\n",1);
1993 }
1994 }
1995 else
1996 {
1997 BIO_printf(bio,"---\nNo client certificate CA names sent\n");
1998 }
1999 p=SSL_get_shared_ciphers(s,buf,sizeof buf);
2000 if (p != NULL)
2001 {
2002 /* This works only for SSL 2. In later protocol
2003 * versions, the client does not know what other
2004 * ciphers (in addition to the one to be used
2005 * in the current connection) the server supports. */
2006
2007 BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n");
2008 j=i=0;
2009 while (*p)
2010 {
2011 if (*p == ':')
2012 {
2013 BIO_write(bio,space,15-j%25);
2014 i++;
2015 j=0;
2016 BIO_write(bio,((i%3)?" ":"\n"),1);
2017 }
2018 else
2019 {
2020 BIO_write(bio,p,1);
2021 j++;
2022 }
2023 p++;
2024 }
2025 BIO_write(bio,"\n",1);
2026 }
2027
2028 BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n",
2029 BIO_number_read(SSL_get_rbio(s)),
2030 BIO_number_written(SSL_get_wbio(s)));
2031 }
2032 BIO_printf(bio,(SSL_cache_hit(s)?"---\nReused, ":"---\nNew, "));
2033 c=SSL_get_current_cipher(s);
2034 BIO_printf(bio,"%s, Cipher is %s\n",
2035 SSL_CIPHER_get_version(c),
2036 SSL_CIPHER_get_name(c));
2037 if (peer != NULL) {
2038 EVP_PKEY *pktmp;
2039 pktmp = X509_get_pubkey(peer);
2040 BIO_printf(bio,"Server public key is %d bit\n",
2041 EVP_PKEY_bits(pktmp));
2042 EVP_PKEY_free(pktmp);
2043 }
2044 BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
2045 SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
2046 #ifndef OPENSSL_NO_COMP
2047 comp=SSL_get_current_compression(s);
2048 expansion=SSL_get_current_expansion(s);
2049 BIO_printf(bio,"Compression: %s\n",
2050 comp ? SSL_COMP_get_name(comp) : "NONE");
2051 BIO_printf(bio,"Expansion: %s\n",
2052 expansion ? SSL_COMP_get_name(expansion) : "NONE");
2053 #endif
2054
2055 #ifdef SSL_DEBUG
2056 {
2057 /* Print out local port of connection: useful for debugging */
2058 int sock;
2059 struct sockaddr_in ladd;
2060 socklen_t ladd_size = sizeof(ladd);
2061 sock = SSL_get_fd(s);
2062 getsockname(sock, (struct sockaddr *)&ladd, &ladd_size);
2063 BIO_printf(bio_c_out, "LOCAL PORT is %u\n", ntohs(ladd.sin_port));
2064 }
2065 #endif
2066
2067 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2068 if (next_proto.status != -1) {
2069 const unsigned char *proto;
2070 unsigned int proto_len;
2071 SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
2072 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
2073 BIO_write(bio, proto, proto_len);
2074 BIO_write(bio, "\n", 1);
2075 }
2076 #endif
2077
2078 #ifndef OPENSSL_NO_SRTP
2079 {
2080 SRTP_PROTECTION_PROFILE *srtp_profile=SSL_get_selected_srtp_profile(s);
2081
2082 if(srtp_profile)
2083 BIO_printf(bio,"SRTP Extension negotiated, profile=%s\n",
2084 srtp_profile->name);
2085 }
2086 #endif
2087
2088 SSL_SESSION_print(bio,SSL_get_session(s));
2089 if (keymatexportlabel != NULL)
2090 {
2091 BIO_printf(bio, "Keying material exporter:\n");
2092 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel);
2093 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen);
2094 exportedkeymat = OPENSSL_malloc(keymatexportlen);
2095 if (exportedkeymat != NULL)
2096 {
2097 if (!SSL_export_keying_material(s, exportedkeymat,
2098 keymatexportlen,
2099 keymatexportlabel,
2100 strlen(keymatexportlabel),
2101 NULL, 0, 0))
2102 {
2103 BIO_printf(bio, " Error\n");
2104 }
2105 else
2106 {
2107 BIO_printf(bio, " Keying material: ");
2108 for (i=0; i<keymatexportlen; i++)
2109 BIO_printf(bio, "%02X",
2110 exportedkeymat[i]);
2111 BIO_printf(bio, "\n");
2112 }
2113 OPENSSL_free(exportedkeymat);
2114 }
2115 }
2116 BIO_printf(bio,"---\n");
2117 if (peer != NULL)
2118 X509_free(peer);
2119 /* flush, or debugging output gets mixed with http response */
2120 (void)BIO_flush(bio);
2121 }
2122
2123 #ifndef OPENSSL_NO_TLSEXT
2124
2125 static int ocsp_resp_cb(SSL *s, void *arg)
2126 {
2127 const unsigned char *p;
2128 int len;
2129 OCSP_RESPONSE *rsp;
2130 len = SSL_get_tlsext_status_ocsp_resp(s, &p);
2131 BIO_puts(arg, "OCSP response: ");
2132 if (!p)
2133 {
2134 BIO_puts(arg, "no response sent\n");
2135 return 1;
2136 }
2137 rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
2138 if (!rsp)
2139 {
2140 BIO_puts(arg, "response parse error\n");
2141 BIO_dump_indent(arg, (char *)p, len, 4);
2142 return 0;
2143 }
2144 BIO_puts(arg, "\n======================================\n");
2145 OCSP_RESPONSE_print(arg, rsp, 0);
2146 BIO_puts(arg, "======================================\n");
2147 OCSP_RESPONSE_free(rsp);
2148 return 1;
2149 }
2150
2151 #endif
Tomato firmware and modifications.