1 /* apps/s_server.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 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
113 * ECC cipher suite support in OpenSSL originally developed by
114 * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
115 */
116 /* ====================================================================
117 * Copyright 2005 Nokia. All rights reserved.
118 *
119 * The portions of the attached software ("Contribution") is developed by
120 * Nokia Corporation and is licensed pursuant to the OpenSSL open source
121 * license.
122 *
123 * The Contribution, originally written by Mika Kousa and Pasi Eronen of
124 * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
125 * support (see RFC 4279) to OpenSSL.
126 *
127 * No patent licenses or other rights except those expressly stated in
128 * the OpenSSL open source license shall be deemed granted or received
129 * expressly, by implication, estoppel, or otherwise.
130 *
131 * No assurances are provided by Nokia that the Contribution does not
132 * infringe the patent or other intellectual property rights of any third
133 * party or that the license provides you with all the necessary rights
134 * to make use of the Contribution.
135 *
136 * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
137 * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
138 * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
139 * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
140 * OTHERWISE.
141 */
142
143 /* Until the key-gen callbacks are modified to use newer prototypes, we allow
144 * deprecated functions for openssl-internal code */
145 #ifdef OPENSSL_NO_DEPRECATED
146 #undef OPENSSL_NO_DEPRECATED
147 #endif
148
149 #include <assert.h>
150 #include <ctype.h>
151 #include <stdio.h>
152 #include <stdlib.h>
153 #include <string.h>
154
155 #include <openssl/e_os2.h>
156 #ifdef OPENSSL_NO_STDIO
157 #define APPS_WIN16
158 #endif
159
160 #if !defined(OPENSSL_SYS_NETWARE) /* conflicts with winsock2 stuff on netware */
161 #include <sys/types.h>
162 #endif
163
164 /* With IPv6, it looks like Digital has mixed up the proper order of
165 recursive header file inclusion, resulting in the compiler complaining
166 that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which
167 is needed to have fileno() declared correctly... So let's define u_int */
168 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
169 #define __U_INT
170 typedef unsigned int u_int;
171 #endif
172
173 #include <openssl/lhash.h>
174 #include <openssl/bn.h>
175 #define USE_SOCKETS
176 #include "apps.h"
177 #include <openssl/err.h>
178 #include <openssl/pem.h>
179 #include <openssl/x509.h>
180 #include <openssl/ssl.h>
181 #include <openssl/rand.h>
182 #include <openssl/ocsp.h>
183 #ifndef OPENSSL_NO_DH
184 #include <openssl/dh.h>
185 #endif
186 #ifndef OPENSSL_NO_RSA
187 #include <openssl/rsa.h>
188 #endif
189 #include "s_apps.h"
190 #include "timeouts.h"
191
192 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
193 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
194 #undef FIONBIO
195 #endif
196
197 #if defined(OPENSSL_SYS_BEOS_R5)
198 #include <fcntl.h>
199 #endif
200
201 #ifndef OPENSSL_NO_RSA
202 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength);
203 #endif
204 static int sv_body(char *hostname, int s, unsigned char *context);
205 static int www_body(char *hostname, int s, unsigned char *context);
206 static void close_accept_socket(void );
207 static void sv_usage(void);
208 static int init_ssl_connection(SSL *s);
209 static void print_stats(BIO *bp,SSL_CTX *ctx);
210 static int generate_session_id(const SSL *ssl, unsigned char *id,
211 unsigned int *id_len);
212 #ifndef OPENSSL_NO_DH
213 static DH *load_dh_param(const char *dhfile);
214 static DH *get_dh512(void);
215 #endif
216
217 #ifdef MONOLITH
218 static void s_server_init(void);
219 #endif
220
221 #ifndef OPENSSL_NO_DH
222 static unsigned char dh512_p[]={
223 0xDA,0x58,0x3C,0x16,0xD9,0x85,0x22,0x89,0xD0,0xE4,0xAF,0x75,
224 0x6F,0x4C,0xCA,0x92,0xDD,0x4B,0xE5,0x33,0xB8,0x04,0xFB,0x0F,
225 0xED,0x94,0xEF,0x9C,0x8A,0x44,0x03,0xED,0x57,0x46,0x50,0xD3,
226 0x69,0x99,0xDB,0x29,0xD7,0x76,0x27,0x6B,0xA2,0xD3,0xD4,0x12,
227 0xE2,0x18,0xF4,0xDD,0x1E,0x08,0x4C,0xF6,0xD8,0x00,0x3E,0x7C,
228 0x47,0x74,0xE8,0x33,
229 };
230 static unsigned char dh512_g[]={
231 0x02,
232 };
233
get_dh512(void)234 static DH *get_dh512(void)
235 {
236 DH *dh=NULL;
237
238 if ((dh=DH_new()) == NULL) return(NULL);
239 dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
240 dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
241 if ((dh->p == NULL) || (dh->g == NULL))
242 return(NULL);
243 return(dh);
244 }
245 #endif
246
247
248 /* static int load_CA(SSL_CTX *ctx, char *file);*/
249
250 #undef BUFSIZZ
251 #define BUFSIZZ 16*1024
252 static int bufsize=BUFSIZZ;
253 static int accept_socket= -1;
254
255 #define TEST_CERT "server.pem"
256 #ifndef OPENSSL_NO_TLSEXT
257 #define TEST_CERT2 "server2.pem"
258 #endif
259 #undef PROG
260 #define PROG s_server_main
261
262 extern int verify_depth, verify_return_error;
263
264 static char *cipher=NULL;
265 static int s_server_verify=SSL_VERIFY_NONE;
266 static int s_server_session_id_context = 1; /* anything will do */
267 static const char *s_cert_file=TEST_CERT,*s_key_file=NULL;
268 #ifndef OPENSSL_NO_TLSEXT
269 static const char *s_cert_file2=TEST_CERT2,*s_key_file2=NULL;
270 #endif
271 static char *s_dcert_file=NULL,*s_dkey_file=NULL;
272 #ifdef FIONBIO
273 static int s_nbio=0;
274 #endif
275 static int s_nbio_test=0;
276 int s_crlf=0;
277 static SSL_CTX *ctx=NULL;
278 #ifndef OPENSSL_NO_TLSEXT
279 static SSL_CTX *ctx2=NULL;
280 #endif
281 static int www=0;
282
283 static BIO *bio_s_out=NULL;
284 static int s_debug=0;
285 #ifndef OPENSSL_NO_TLSEXT
286 static int s_tlsextdebug=0;
287 static int s_tlsextstatus=0;
288 static int cert_status_cb(SSL *s, void *arg);
289 #endif
290 static int s_msg=0;
291 static int s_quiet=0;
292
293 static int hack=0;
294 #ifndef OPENSSL_NO_ENGINE
295 static char *engine_id=NULL;
296 #endif
297 static const char *session_id_prefix=NULL;
298
299 static int enable_timeouts = 0;
300 static long socket_mtu;
301 #ifndef OPENSSL_NO_DTLS1
302 static int cert_chain = 0;
303 #endif
304
305 #ifndef OPENSSL_NO_PSK
306 static char *psk_identity="Client_identity";
307 char *psk_key=NULL; /* by default PSK is not used */
308
psk_server_cb(SSL * ssl,const char * identity,unsigned char * psk,unsigned int max_psk_len)309 static unsigned int psk_server_cb(SSL *ssl, const char *identity,
310 unsigned char *psk, unsigned int max_psk_len)
311 {
312 unsigned int psk_len = 0;
313 int ret;
314 BIGNUM *bn = NULL;
315
316 if (s_debug)
317 BIO_printf(bio_s_out,"psk_server_cb\n");
318 if (!identity)
319 {
320 BIO_printf(bio_err,"Error: client did not send PSK identity\n");
321 goto out_err;
322 }
323 if (s_debug)
324 BIO_printf(bio_s_out,"identity_len=%d identity=%s\n",
325 identity ? (int)strlen(identity) : 0, identity);
326
327 /* here we could lookup the given identity e.g. from a database */
328 if (strcmp(identity, psk_identity) != 0)
329 {
330 BIO_printf(bio_s_out, "PSK error: client identity not found"
331 " (got '%s' expected '%s')\n", identity,
332 psk_identity);
333 goto out_err;
334 }
335 if (s_debug)
336 BIO_printf(bio_s_out, "PSK client identity found\n");
337
338 /* convert the PSK key to binary */
339 ret = BN_hex2bn(&bn, psk_key);
340 if (!ret)
341 {
342 BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key);
343 if (bn)
344 BN_free(bn);
345 return 0;
346 }
347 if (BN_num_bytes(bn) > (int)max_psk_len)
348 {
349 BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n",
350 max_psk_len, BN_num_bytes(bn));
351 BN_free(bn);
352 return 0;
353 }
354
355 ret = BN_bn2bin(bn, psk);
356 BN_free(bn);
357
358 if (ret < 0)
359 goto out_err;
360 psk_len = (unsigned int)ret;
361
362 if (s_debug)
363 BIO_printf(bio_s_out, "fetched PSK len=%d\n", psk_len);
364 return psk_len;
365 out_err:
366 if (s_debug)
367 BIO_printf(bio_err, "Error in PSK server callback\n");
368 return 0;
369 }
370 #endif
371
372 #ifdef MONOLITH
s_server_init(void)373 static void s_server_init(void)
374 {
375 accept_socket=-1;
376 cipher=NULL;
377 s_server_verify=SSL_VERIFY_NONE;
378 s_dcert_file=NULL;
379 s_dkey_file=NULL;
380 s_cert_file=TEST_CERT;
381 s_key_file=NULL;
382 #ifndef OPENSSL_NO_TLSEXT
383 s_cert_file2=TEST_CERT2;
384 s_key_file2=NULL;
385 ctx2=NULL;
386 #endif
387 #ifdef FIONBIO
388 s_nbio=0;
389 #endif
390 s_nbio_test=0;
391 ctx=NULL;
392 www=0;
393
394 bio_s_out=NULL;
395 s_debug=0;
396 s_msg=0;
397 s_quiet=0;
398 hack=0;
399 #ifndef OPENSSL_NO_ENGINE
400 engine_id=NULL;
401 #endif
402 }
403 #endif
404
sv_usage(void)405 static void sv_usage(void)
406 {
407 BIO_printf(bio_err,"usage: s_server [args ...]\n");
408 BIO_printf(bio_err,"\n");
409 BIO_printf(bio_err," -accept arg - port to accept on (default is %d)\n",PORT);
410 BIO_printf(bio_err," -context arg - set session ID context\n");
411 BIO_printf(bio_err," -verify arg - turn on peer certificate verification\n");
412 BIO_printf(bio_err," -Verify arg - turn on peer certificate verification, must have a cert.\n");
413 BIO_printf(bio_err," -cert arg - certificate file to use\n");
414 BIO_printf(bio_err," (default is %s)\n",TEST_CERT);
415 BIO_printf(bio_err," -crl_check - check the peer certificate has not been revoked by its CA.\n" \
416 " The CRL(s) are appended to the certificate file\n");
417 BIO_printf(bio_err," -crl_check_all - check the peer certificate has not been revoked by its CA\n" \
418 " or any other CRL in the CA chain. CRL(s) are appened to the\n" \
419 " the certificate file.\n");
420 BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
421 BIO_printf(bio_err," -key arg - Private Key file to use, in cert file if\n");
422 BIO_printf(bio_err," not specified (default is %s)\n",TEST_CERT);
423 BIO_printf(bio_err," -keyform arg - key format (PEM, DER or ENGINE) PEM default\n");
424 BIO_printf(bio_err," -pass arg - private key file pass phrase source\n");
425 BIO_printf(bio_err," -dcert arg - second certificate file to use (usually for DSA)\n");
426 BIO_printf(bio_err," -dcertform x - second certificate format (PEM or DER) PEM default\n");
427 BIO_printf(bio_err," -dkey arg - second private key file to use (usually for DSA)\n");
428 BIO_printf(bio_err," -dkeyform arg - second key format (PEM, DER or ENGINE) PEM default\n");
429 BIO_printf(bio_err," -dpass arg - second private key file pass phrase source\n");
430 BIO_printf(bio_err," -dhparam arg - DH parameter file to use, in cert file if not specified\n");
431 BIO_printf(bio_err," or a default set of parameters is used\n");
432 #ifndef OPENSSL_NO_ECDH
433 BIO_printf(bio_err," -named_curve arg - Elliptic curve name to use for ephemeral ECDH keys.\n" \
434 " Use \"openssl ecparam -list_curves\" for all names\n" \
435 " (default is nistp256).\n");
436 #endif
437 #ifdef FIONBIO
438 BIO_printf(bio_err," -nbio - Run with non-blocking IO\n");
439 #endif
440 BIO_printf(bio_err," -nbio_test - test with the non-blocking test bio\n");
441 BIO_printf(bio_err," -crlf - convert LF from terminal into CRLF\n");
442 BIO_printf(bio_err," -debug - Print more output\n");
443 BIO_printf(bio_err," -msg - Show protocol messages\n");
444 BIO_printf(bio_err," -state - Print the SSL states\n");
445 BIO_printf(bio_err," -CApath arg - PEM format directory of CA's\n");
446 BIO_printf(bio_err," -CAfile arg - PEM format file of CA's\n");
447 BIO_printf(bio_err," -nocert - Don't use any certificates (Anon-DH)\n");
448 BIO_printf(bio_err," -cipher arg - play with 'openssl ciphers' to see what goes here\n");
449 BIO_printf(bio_err," -serverpref - Use server's cipher preferences\n");
450 BIO_printf(bio_err," -quiet - No server output\n");
451 BIO_printf(bio_err," -no_tmp_rsa - Do not generate a tmp RSA key\n");
452 #ifndef OPENSSL_NO_PSK
453 BIO_printf(bio_err," -psk_hint arg - PSK identity hint to use\n");
454 BIO_printf(bio_err," -psk arg - PSK in hex (without 0x)\n");
455 # ifndef OPENSSL_NO_JPAKE
456 BIO_printf(bio_err," -jpake arg - JPAKE secret to use\n");
457 # endif
458 #endif
459 BIO_printf(bio_err," -ssl2 - Just talk SSLv2\n");
460 BIO_printf(bio_err," -ssl3 - Just talk SSLv3\n");
461 BIO_printf(bio_err," -tls1 - Just talk TLSv1\n");
462 BIO_printf(bio_err," -dtls1 - Just talk DTLSv1\n");
463 BIO_printf(bio_err," -timeout - Enable timeouts\n");
464 BIO_printf(bio_err," -mtu - Set link layer MTU\n");
465 BIO_printf(bio_err," -chain - Read a certificate chain\n");
466 BIO_printf(bio_err," -no_ssl2 - Just disable SSLv2\n");
467 BIO_printf(bio_err," -no_ssl3 - Just disable SSLv3\n");
468 BIO_printf(bio_err," -no_tls1 - Just disable TLSv1\n");
469 #ifndef OPENSSL_NO_DH
470 BIO_printf(bio_err," -no_dhe - Disable ephemeral DH\n");
471 #endif
472 #ifndef OPENSSL_NO_ECDH
473 BIO_printf(bio_err," -no_ecdhe - Disable ephemeral ECDH\n");
474 #endif
475 BIO_printf(bio_err," -bugs - Turn on SSL bug compatibility\n");
476 BIO_printf(bio_err," -www - Respond to a 'GET /' with a status page\n");
477 BIO_printf(bio_err," -WWW - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
478 BIO_printf(bio_err," -HTTP - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
479 BIO_printf(bio_err," with the assumption it contains a complete HTTP response.\n");
480 #ifndef OPENSSL_NO_ENGINE
481 BIO_printf(bio_err," -engine id - Initialise and use the specified engine\n");
482 #endif
483 BIO_printf(bio_err," -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n");
484 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
485 #ifndef OPENSSL_NO_TLSEXT
486 BIO_printf(bio_err," -servername host - servername for HostName TLS extension\n");
487 BIO_printf(bio_err," -servername_fatal - on mismatch send fatal alert (default warning alert)\n");
488 BIO_printf(bio_err," -cert2 arg - certificate file to use for servername\n");
489 BIO_printf(bio_err," (default is %s)\n",TEST_CERT2);
490 BIO_printf(bio_err," -key2 arg - Private Key file to use for servername, in cert file if\n");
491 BIO_printf(bio_err," not specified (default is %s)\n",TEST_CERT2);
492 BIO_printf(bio_err," -tlsextdebug - hex dump of all TLS extensions received\n");
493 BIO_printf(bio_err," -no_ticket - disable use of RFC4507bis session tickets\n");
494 BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
495 #endif
496 }
497
498 static int local_argc=0;
499 static char **local_argv;
500
501 #ifdef CHARSET_EBCDIC
502 static int ebcdic_new(BIO *bi);
503 static int ebcdic_free(BIO *a);
504 static int ebcdic_read(BIO *b, char *out, int outl);
505 static int ebcdic_write(BIO *b, const char *in, int inl);
506 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
507 static int ebcdic_gets(BIO *bp, char *buf, int size);
508 static int ebcdic_puts(BIO *bp, const char *str);
509
510 #define BIO_TYPE_EBCDIC_FILTER (18|0x0200)
511 static BIO_METHOD methods_ebcdic=
512 {
513 BIO_TYPE_EBCDIC_FILTER,
514 "EBCDIC/ASCII filter",
515 ebcdic_write,
516 ebcdic_read,
517 ebcdic_puts,
518 ebcdic_gets,
519 ebcdic_ctrl,
520 ebcdic_new,
521 ebcdic_free,
522 };
523
524 typedef struct
525 {
526 size_t alloced;
527 char buff[1];
528 } EBCDIC_OUTBUFF;
529
BIO_f_ebcdic_filter()530 BIO_METHOD *BIO_f_ebcdic_filter()
531 {
532 return(&methods_ebcdic);
533 }
534
ebcdic_new(BIO * bi)535 static int ebcdic_new(BIO *bi)
536 {
537 EBCDIC_OUTBUFF *wbuf;
538
539 wbuf = (EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024);
540 wbuf->alloced = 1024;
541 wbuf->buff[0] = '\0';
542
543 bi->ptr=(char *)wbuf;
544 bi->init=1;
545 bi->flags=0;
546 return(1);
547 }
548
ebcdic_free(BIO * a)549 static int ebcdic_free(BIO *a)
550 {
551 if (a == NULL) return(0);
552 if (a->ptr != NULL)
553 OPENSSL_free(a->ptr);
554 a->ptr=NULL;
555 a->init=0;
556 a->flags=0;
557 return(1);
558 }
559
ebcdic_read(BIO * b,char * out,int outl)560 static int ebcdic_read(BIO *b, char *out, int outl)
561 {
562 int ret=0;
563
564 if (out == NULL || outl == 0) return(0);
565 if (b->next_bio == NULL) return(0);
566
567 ret=BIO_read(b->next_bio,out,outl);
568 if (ret > 0)
569 ascii2ebcdic(out,out,ret);
570 return(ret);
571 }
572
ebcdic_write(BIO * b,const char * in,int inl)573 static int ebcdic_write(BIO *b, const char *in, int inl)
574 {
575 EBCDIC_OUTBUFF *wbuf;
576 int ret=0;
577 int num;
578 unsigned char n;
579
580 if ((in == NULL) || (inl <= 0)) return(0);
581 if (b->next_bio == NULL) return(0);
582
583 wbuf=(EBCDIC_OUTBUFF *)b->ptr;
584
585 if (inl > (num = wbuf->alloced))
586 {
587 num = num + num; /* double the size */
588 if (num < inl)
589 num = inl;
590 OPENSSL_free(wbuf);
591 wbuf=(EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num);
592
593 wbuf->alloced = num;
594 wbuf->buff[0] = '\0';
595
596 b->ptr=(char *)wbuf;
597 }
598
599 ebcdic2ascii(wbuf->buff, in, inl);
600
601 ret=BIO_write(b->next_bio, wbuf->buff, inl);
602
603 return(ret);
604 }
605
ebcdic_ctrl(BIO * b,int cmd,long num,void * ptr)606 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
607 {
608 long ret;
609
610 if (b->next_bio == NULL) return(0);
611 switch (cmd)
612 {
613 case BIO_CTRL_DUP:
614 ret=0L;
615 break;
616 default:
617 ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
618 break;
619 }
620 return(ret);
621 }
622
ebcdic_gets(BIO * bp,char * buf,int size)623 static int ebcdic_gets(BIO *bp, char *buf, int size)
624 {
625 int i, ret=0;
626 if (bp->next_bio == NULL) return(0);
627 /* return(BIO_gets(bp->next_bio,buf,size));*/
628 for (i=0; i<size-1; ++i)
629 {
630 ret = ebcdic_read(bp,&buf[i],1);
631 if (ret <= 0)
632 break;
633 else if (buf[i] == '\n')
634 {
635 ++i;
636 break;
637 }
638 }
639 if (i < size)
640 buf[i] = '\0';
641 return (ret < 0 && i == 0) ? ret : i;
642 }
643
ebcdic_puts(BIO * bp,const char * str)644 static int ebcdic_puts(BIO *bp, const char *str)
645 {
646 if (bp->next_bio == NULL) return(0);
647 return ebcdic_write(bp, str, strlen(str));
648 }
649 #endif
650
651 #ifndef OPENSSL_NO_TLSEXT
652
653 /* This is a context that we pass to callbacks */
654 typedef struct tlsextctx_st {
655 char * servername;
656 BIO * biodebug;
657 int extension_error;
658 } tlsextctx;
659
660
ssl_servername_cb(SSL * s,int * ad,void * arg)661 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
662 {
663 tlsextctx * p = (tlsextctx *) arg;
664 const char * servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
665 if (servername && p->biodebug)
666 BIO_printf(p->biodebug,"Hostname in TLS extension: \"%s\"\n",servername);
667
668 if (!p->servername)
669 return SSL_TLSEXT_ERR_NOACK;
670
671 if (servername)
672 {
673 if (strcmp(servername,p->servername))
674 return p->extension_error;
675 if (ctx2)
676 {
677 BIO_printf(p->biodebug,"Switching server context.\n");
678 SSL_set_SSL_CTX(s,ctx2);
679 }
680 }
681 return SSL_TLSEXT_ERR_OK;
682 }
683
684 /* Structure passed to cert status callback */
685
686 typedef struct tlsextstatusctx_st {
687 /* Default responder to use */
688 char *host, *path, *port;
689 int use_ssl;
690 int timeout;
691 BIO *err;
692 int verbose;
693 } tlsextstatusctx;
694
695 static tlsextstatusctx tlscstatp = {NULL, NULL, NULL, 0, -1, NULL, 0};
696
697 /* Certificate Status callback. This is called when a client includes a
698 * certificate status request extension.
699 *
700 * This is a simplified version. It examines certificates each time and
701 * makes one OCSP responder query for each request.
702 *
703 * A full version would store details such as the OCSP certificate IDs and
704 * minimise the number of OCSP responses by caching them until they were
705 * considered "expired".
706 */
707
cert_status_cb(SSL * s,void * arg)708 static int cert_status_cb(SSL *s, void *arg)
709 {
710 tlsextstatusctx *srctx = arg;
711 BIO *err = srctx->err;
712 char *host, *port, *path;
713 int use_ssl;
714 unsigned char *rspder = NULL;
715 int rspderlen;
716 STACK_OF(OPENSSL_STRING) *aia = NULL;
717 X509 *x = NULL;
718 X509_STORE_CTX inctx;
719 X509_OBJECT obj;
720 OCSP_REQUEST *req = NULL;
721 OCSP_RESPONSE *resp = NULL;
722 OCSP_CERTID *id = NULL;
723 STACK_OF(X509_EXTENSION) *exts;
724 int ret = SSL_TLSEXT_ERR_NOACK;
725 int i;
726 #if 0
727 STACK_OF(OCSP_RESPID) *ids;
728 SSL_get_tlsext_status_ids(s, &ids);
729 BIO_printf(err, "cert_status: received %d ids\n", sk_OCSP_RESPID_num(ids));
730 #endif
731 if (srctx->verbose)
732 BIO_puts(err, "cert_status: callback called\n");
733 /* Build up OCSP query from server certificate */
734 x = SSL_get_certificate(s);
735 aia = X509_get1_ocsp(x);
736 if (aia)
737 {
738 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
739 &host, &port, &path, &use_ssl))
740 {
741 BIO_puts(err, "cert_status: can't parse AIA URL\n");
742 goto err;
743 }
744 if (srctx->verbose)
745 BIO_printf(err, "cert_status: AIA URL: %s\n",
746 sk_OPENSSL_STRING_value(aia, 0));
747 }
748 else
749 {
750 if (!srctx->host)
751 {
752 BIO_puts(srctx->err, "cert_status: no AIA and no default responder URL\n");
753 goto done;
754 }
755 host = srctx->host;
756 path = srctx->path;
757 port = srctx->port;
758 use_ssl = srctx->use_ssl;
759 }
760
761 if (!X509_STORE_CTX_init(&inctx,
762 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
763 NULL, NULL))
764 goto err;
765 if (X509_STORE_get_by_subject(&inctx,X509_LU_X509,
766 X509_get_issuer_name(x),&obj) <= 0)
767 {
768 BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n");
769 X509_STORE_CTX_cleanup(&inctx);
770 goto done;
771 }
772 req = OCSP_REQUEST_new();
773 if (!req)
774 goto err;
775 id = OCSP_cert_to_id(NULL, x, obj.data.x509);
776 X509_free(obj.data.x509);
777 X509_STORE_CTX_cleanup(&inctx);
778 if (!id)
779 goto err;
780 if (!OCSP_request_add0_id(req, id))
781 goto err;
782 id = NULL;
783 /* Add any extensions to the request */
784 SSL_get_tlsext_status_exts(s, &exts);
785 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++)
786 {
787 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
788 if (!OCSP_REQUEST_add_ext(req, ext, -1))
789 goto err;
790 }
791 resp = process_responder(err, req, host, path, port, use_ssl, NULL,
792 srctx->timeout);
793 if (!resp)
794 {
795 BIO_puts(err, "cert_status: error querying responder\n");
796 goto done;
797 }
798 rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
799 if (rspderlen <= 0)
800 goto err;
801 SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
802 if (srctx->verbose)
803 {
804 BIO_puts(err, "cert_status: ocsp response sent:\n");
805 OCSP_RESPONSE_print(err, resp, 2);
806 }
807 ret = SSL_TLSEXT_ERR_OK;
808 done:
809 if (ret != SSL_TLSEXT_ERR_OK)
810 ERR_print_errors(err);
811 if (aia)
812 {
813 OPENSSL_free(host);
814 OPENSSL_free(path);
815 OPENSSL_free(port);
816 X509_email_free(aia);
817 }
818 if (id)
819 OCSP_CERTID_free(id);
820 if (req)
821 OCSP_REQUEST_free(req);
822 if (resp)
823 OCSP_RESPONSE_free(resp);
824 return ret;
825 err:
826 ret = SSL_TLSEXT_ERR_ALERT_FATAL;
827 goto done;
828 }
829 #endif
830
831 int MAIN(int, char **);
832
833 #ifndef OPENSSL_NO_JPAKE
834 static char *jpake_secret = NULL;
835 #endif
836
MAIN(int argc,char * argv[])837 int MAIN(int argc, char *argv[])
838 {
839 X509_VERIFY_PARAM *vpm = NULL;
840 int badarg = 0;
841 short port=PORT;
842 char *CApath=NULL,*CAfile=NULL;
843 unsigned char *context = NULL;
844 char *dhfile = NULL;
845 #ifndef OPENSSL_NO_ECDH
846 char *named_curve = NULL;
847 #endif
848 int badop=0,bugs=0;
849 int ret=1;
850 int off=0;
851 int no_tmp_rsa=0,no_dhe=0,no_ecdhe=0,nocert=0;
852 int state=0;
853 const SSL_METHOD *meth=NULL;
854 int socket_type=SOCK_STREAM;
855 ENGINE *e=NULL;
856 char *inrand=NULL;
857 int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
858 char *passarg = NULL, *pass = NULL;
859 char *dpassarg = NULL, *dpass = NULL;
860 int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
861 X509 *s_cert = NULL, *s_dcert = NULL;
862 EVP_PKEY *s_key = NULL, *s_dkey = NULL;
863 int no_cache = 0;
864 #ifndef OPENSSL_NO_TLSEXT
865 EVP_PKEY *s_key2 = NULL;
866 X509 *s_cert2 = NULL;
867 #endif
868 #ifndef OPENSSL_NO_TLSEXT
869 tlsextctx tlsextcbp = {NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING};
870 #endif
871 #ifndef OPENSSL_NO_PSK
872 /* by default do not send a PSK identity hint */
873 static char *psk_identity_hint=NULL;
874 #endif
875 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
876 meth=SSLv23_server_method();
877 #elif !defined(OPENSSL_NO_SSL3)
878 meth=SSLv3_server_method();
879 #elif !defined(OPENSSL_NO_SSL2)
880 meth=SSLv2_server_method();
881 #endif
882
883 local_argc=argc;
884 local_argv=argv;
885
886 apps_startup();
887 #ifdef MONOLITH
888 s_server_init();
889 #endif
890
891 if (bio_err == NULL)
892 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
893
894 if (!load_config(bio_err, NULL))
895 goto end;
896
897 verify_depth=0;
898 #ifdef FIONBIO
899 s_nbio=0;
900 #endif
901 s_nbio_test=0;
902
903 argc--;
904 argv++;
905
906 while (argc >= 1)
907 {
908 if ((strcmp(*argv,"-port") == 0) ||
909 (strcmp(*argv,"-accept") == 0))
910 {
911 if (--argc < 1) goto bad;
912 if (!extract_port(*(++argv),&port))
913 goto bad;
914 }
915 else if (strcmp(*argv,"-verify") == 0)
916 {
917 s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
918 if (--argc < 1) goto bad;
919 verify_depth=atoi(*(++argv));
920 BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
921 }
922 else if (strcmp(*argv,"-Verify") == 0)
923 {
924 s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT|
925 SSL_VERIFY_CLIENT_ONCE;
926 if (--argc < 1) goto bad;
927 verify_depth=atoi(*(++argv));
928 BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth);
929 }
930 else if (strcmp(*argv,"-context") == 0)
931 {
932 if (--argc < 1) goto bad;
933 context= (unsigned char *)*(++argv);
934 }
935 else if (strcmp(*argv,"-cert") == 0)
936 {
937 if (--argc < 1) goto bad;
938 s_cert_file= *(++argv);
939 }
940 else if (strcmp(*argv,"-certform") == 0)
941 {
942 if (--argc < 1) goto bad;
943 s_cert_format = str2fmt(*(++argv));
944 }
945 else if (strcmp(*argv,"-key") == 0)
946 {
947 if (--argc < 1) goto bad;
948 s_key_file= *(++argv);
949 }
950 else if (strcmp(*argv,"-keyform") == 0)
951 {
952 if (--argc < 1) goto bad;
953 s_key_format = str2fmt(*(++argv));
954 }
955 else if (strcmp(*argv,"-pass") == 0)
956 {
957 if (--argc < 1) goto bad;
958 passarg = *(++argv);
959 }
960 else if (strcmp(*argv,"-dhparam") == 0)
961 {
962 if (--argc < 1) goto bad;
963 dhfile = *(++argv);
964 }
965 #ifndef OPENSSL_NO_ECDH
966 else if (strcmp(*argv,"-named_curve") == 0)
967 {
968 if (--argc < 1) goto bad;
969 named_curve = *(++argv);
970 }
971 #endif
972 else if (strcmp(*argv,"-dcertform") == 0)
973 {
974 if (--argc < 1) goto bad;
975 s_dcert_format = str2fmt(*(++argv));
976 }
977 else if (strcmp(*argv,"-dcert") == 0)
978 {
979 if (--argc < 1) goto bad;
980 s_dcert_file= *(++argv);
981 }
982 else if (strcmp(*argv,"-dkeyform") == 0)
983 {
984 if (--argc < 1) goto bad;
985 s_dkey_format = str2fmt(*(++argv));
986 }
987 else if (strcmp(*argv,"-dpass") == 0)
988 {
989 if (--argc < 1) goto bad;
990 dpassarg = *(++argv);
991 }
992 else if (strcmp(*argv,"-dkey") == 0)
993 {
994 if (--argc < 1) goto bad;
995 s_dkey_file= *(++argv);
996 }
997 else if (strcmp(*argv,"-nocert") == 0)
998 {
999 nocert=1;
1000 }
1001 else if (strcmp(*argv,"-CApath") == 0)
1002 {
1003 if (--argc < 1) goto bad;
1004 CApath= *(++argv);
1005 }
1006 else if (strcmp(*argv,"-no_cache") == 0)
1007 no_cache = 1;
1008 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
1009 {
1010 if (badarg)
1011 goto bad;
1012 continue;
1013 }
1014 else if (strcmp(*argv,"-verify_return_error") == 0)
1015 verify_return_error = 1;
1016 else if (strcmp(*argv,"-serverpref") == 0)
1017 { off|=SSL_OP_CIPHER_SERVER_PREFERENCE; }
1018 else if (strcmp(*argv,"-legacy_renegotiation") == 0)
1019 off|=SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION;
1020 else if (strcmp(*argv,"-cipher") == 0)
1021 {
1022 if (--argc < 1) goto bad;
1023 cipher= *(++argv);
1024 }
1025 else if (strcmp(*argv,"-CAfile") == 0)
1026 {
1027 if (--argc < 1) goto bad;
1028 CAfile= *(++argv);
1029 }
1030 #ifdef FIONBIO
1031 else if (strcmp(*argv,"-nbio") == 0)
1032 { s_nbio=1; }
1033 #endif
1034 else if (strcmp(*argv,"-nbio_test") == 0)
1035 {
1036 #ifdef FIONBIO
1037 s_nbio=1;
1038 #endif
1039 s_nbio_test=1;
1040 }
1041 else if (strcmp(*argv,"-debug") == 0)
1042 { s_debug=1; }
1043 #ifndef OPENSSL_NO_TLSEXT
1044 else if (strcmp(*argv,"-tlsextdebug") == 0)
1045 s_tlsextdebug=1;
1046 else if (strcmp(*argv,"-status") == 0)
1047 s_tlsextstatus=1;
1048 else if (strcmp(*argv,"-status_verbose") == 0)
1049 {
1050 s_tlsextstatus=1;
1051 tlscstatp.verbose = 1;
1052 }
1053 else if (!strcmp(*argv, "-status_timeout"))
1054 {
1055 s_tlsextstatus=1;
1056 if (--argc < 1) goto bad;
1057 tlscstatp.timeout = atoi(*(++argv));
1058 }
1059 else if (!strcmp(*argv, "-status_url"))
1060 {
1061 s_tlsextstatus=1;
1062 if (--argc < 1) goto bad;
1063 if (!OCSP_parse_url(*(++argv),
1064 &tlscstatp.host,
1065 &tlscstatp.port,
1066 &tlscstatp.path,
1067 &tlscstatp.use_ssl))
1068 {
1069 BIO_printf(bio_err, "Error parsing URL\n");
1070 goto bad;
1071 }
1072 }
1073 #endif
1074 else if (strcmp(*argv,"-msg") == 0)
1075 { s_msg=1; }
1076 else if (strcmp(*argv,"-hack") == 0)
1077 { hack=1; }
1078 else if (strcmp(*argv,"-state") == 0)
1079 { state=1; }
1080 else if (strcmp(*argv,"-crlf") == 0)
1081 { s_crlf=1; }
1082 else if (strcmp(*argv,"-quiet") == 0)
1083 { s_quiet=1; }
1084 else if (strcmp(*argv,"-bugs") == 0)
1085 { bugs=1; }
1086 else if (strcmp(*argv,"-no_tmp_rsa") == 0)
1087 { no_tmp_rsa=1; }
1088 else if (strcmp(*argv,"-no_dhe") == 0)
1089 { no_dhe=1; }
1090 else if (strcmp(*argv,"-no_ecdhe") == 0)
1091 { no_ecdhe=1; }
1092 #ifndef OPENSSL_NO_PSK
1093 else if (strcmp(*argv,"-psk_hint") == 0)
1094 {
1095 if (--argc < 1) goto bad;
1096 psk_identity_hint= *(++argv);
1097 }
1098 else if (strcmp(*argv,"-psk") == 0)
1099 {
1100 size_t i;
1101
1102 if (--argc < 1) goto bad;
1103 psk_key=*(++argv);
1104 for (i=0; i<strlen(psk_key); i++)
1105 {
1106 if (isxdigit((int)psk_key[i]))
1107 continue;
1108 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
1109 goto bad;
1110 }
1111 }
1112 #endif
1113 else if (strcmp(*argv,"-www") == 0)
1114 { www=1; }
1115 else if (strcmp(*argv,"-WWW") == 0)
1116 { www=2; }
1117 else if (strcmp(*argv,"-HTTP") == 0)
1118 { www=3; }
1119 else if (strcmp(*argv,"-no_ssl2") == 0)
1120 { off|=SSL_OP_NO_SSLv2; }
1121 else if (strcmp(*argv,"-no_ssl3") == 0)
1122 { off|=SSL_OP_NO_SSLv3; }
1123 else if (strcmp(*argv,"-no_tls1") == 0)
1124 { off|=SSL_OP_NO_TLSv1; }
1125 else if (strcmp(*argv,"-no_comp") == 0)
1126 { off|=SSL_OP_NO_COMPRESSION; }
1127 #ifndef OPENSSL_NO_TLSEXT
1128 else if (strcmp(*argv,"-no_ticket") == 0)
1129 { off|=SSL_OP_NO_TICKET; }
1130 #endif
1131 #ifndef OPENSSL_NO_SSL2
1132 else if (strcmp(*argv,"-ssl2") == 0)
1133 { meth=SSLv2_server_method(); }
1134 #endif
1135 #ifndef OPENSSL_NO_SSL3
1136 else if (strcmp(*argv,"-ssl3") == 0)
1137 { meth=SSLv3_server_method(); }
1138 #endif
1139 #ifndef OPENSSL_NO_TLS1
1140 else if (strcmp(*argv,"-tls1") == 0)
1141 { meth=TLSv1_server_method(); }
1142 #endif
1143 #ifndef OPENSSL_NO_DTLS1
1144 else if (strcmp(*argv,"-dtls1") == 0)
1145 {
1146 meth=DTLSv1_server_method();
1147 socket_type = SOCK_DGRAM;
1148 }
1149 else if (strcmp(*argv,"-timeout") == 0)
1150 enable_timeouts = 1;
1151 else if (strcmp(*argv,"-mtu") == 0)
1152 {
1153 if (--argc < 1) goto bad;
1154 socket_mtu = atol(*(++argv));
1155 }
1156 else if (strcmp(*argv, "-chain") == 0)
1157 cert_chain = 1;
1158 #endif
1159 else if (strcmp(*argv, "-id_prefix") == 0)
1160 {
1161 if (--argc < 1) goto bad;
1162 session_id_prefix = *(++argv);
1163 }
1164 #ifndef OPENSSL_NO_ENGINE
1165 else if (strcmp(*argv,"-engine") == 0)
1166 {
1167 if (--argc < 1) goto bad;
1168 engine_id= *(++argv);
1169 }
1170 #endif
1171 else if (strcmp(*argv,"-rand") == 0)
1172 {
1173 if (--argc < 1) goto bad;
1174 inrand= *(++argv);
1175 }
1176 #ifndef OPENSSL_NO_TLSEXT
1177 else if (strcmp(*argv,"-servername") == 0)
1178 {
1179 if (--argc < 1) goto bad;
1180 tlsextcbp.servername= *(++argv);
1181 }
1182 else if (strcmp(*argv,"-servername_fatal") == 0)
1183 { tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL; }
1184 else if (strcmp(*argv,"-cert2") == 0)
1185 {
1186 if (--argc < 1) goto bad;
1187 s_cert_file2= *(++argv);
1188 }
1189 else if (strcmp(*argv,"-key2") == 0)
1190 {
1191 if (--argc < 1) goto bad;
1192 s_key_file2= *(++argv);
1193 }
1194
1195 #endif
1196 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1197 else if (strcmp(*argv,"-jpake") == 0)
1198 {
1199 if (--argc < 1) goto bad;
1200 jpake_secret = *(++argv);
1201 }
1202 #endif
1203 else
1204 {
1205 BIO_printf(bio_err,"unknown option %s\n",*argv);
1206 badop=1;
1207 break;
1208 }
1209 argc--;
1210 argv++;
1211 }
1212 if (badop)
1213 {
1214 bad:
1215 sv_usage();
1216 goto end;
1217 }
1218
1219 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1220 if (jpake_secret)
1221 {
1222 if (psk_key)
1223 {
1224 BIO_printf(bio_err,
1225 "Can't use JPAKE and PSK together\n");
1226 goto end;
1227 }
1228 psk_identity = "JPAKE";
1229 if (cipher)
1230 {
1231 BIO_printf(bio_err, "JPAKE sets cipher to PSK\n");
1232 goto end;
1233 }
1234 cipher = "PSK";
1235 }
1236
1237 #endif
1238
1239 SSL_load_error_strings();
1240 OpenSSL_add_ssl_algorithms();
1241
1242 #ifndef OPENSSL_NO_ENGINE
1243 e = setup_engine(bio_err, engine_id, 1);
1244 #endif
1245
1246 if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass))
1247 {
1248 BIO_printf(bio_err, "Error getting password\n");
1249 goto end;
1250 }
1251
1252
1253 if (s_key_file == NULL)
1254 s_key_file = s_cert_file;
1255 #ifndef OPENSSL_NO_TLSEXT
1256 if (s_key_file2 == NULL)
1257 s_key_file2 = s_cert_file2;
1258 #endif
1259
1260 if (nocert == 0)
1261 {
1262 s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e,
1263 "server certificate private key file");
1264 if (!s_key)
1265 {
1266 ERR_print_errors(bio_err);
1267 goto end;
1268 }
1269
1270 s_cert = load_cert(bio_err,s_cert_file,s_cert_format,
1271 NULL, e, "server certificate file");
1272
1273 if (!s_cert)
1274 {
1275 ERR_print_errors(bio_err);
1276 goto end;
1277 }
1278
1279 #ifndef OPENSSL_NO_TLSEXT
1280 if (tlsextcbp.servername)
1281 {
1282 s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e,
1283 "second server certificate private key file");
1284 if (!s_key2)
1285 {
1286 ERR_print_errors(bio_err);
1287 goto end;
1288 }
1289
1290 s_cert2 = load_cert(bio_err,s_cert_file2,s_cert_format,
1291 NULL, e, "second server certificate file");
1292
1293 if (!s_cert2)
1294 {
1295 ERR_print_errors(bio_err);
1296 goto end;
1297 }
1298 }
1299 #endif
1300 }
1301
1302
1303 if (s_dcert_file)
1304 {
1305
1306 if (s_dkey_file == NULL)
1307 s_dkey_file = s_dcert_file;
1308
1309 s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format,
1310 0, dpass, e,
1311 "second certificate private key file");
1312 if (!s_dkey)
1313 {
1314 ERR_print_errors(bio_err);
1315 goto end;
1316 }
1317
1318 s_dcert = load_cert(bio_err,s_dcert_file,s_dcert_format,
1319 NULL, e, "second server certificate file");
1320
1321 if (!s_dcert)
1322 {
1323 ERR_print_errors(bio_err);
1324 goto end;
1325 }
1326
1327 }
1328
1329 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1330 && !RAND_status())
1331 {
1332 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
1333 }
1334 if (inrand != NULL)
1335 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
1336 app_RAND_load_files(inrand));
1337
1338 if (bio_s_out == NULL)
1339 {
1340 if (s_quiet && !s_debug && !s_msg)
1341 {
1342 bio_s_out=BIO_new(BIO_s_null());
1343 }
1344 else
1345 {
1346 if (bio_s_out == NULL)
1347 bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE);
1348 }
1349 }
1350
1351 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA)
1352 if (nocert)
1353 #endif
1354 {
1355 s_cert_file=NULL;
1356 s_key_file=NULL;
1357 s_dcert_file=NULL;
1358 s_dkey_file=NULL;
1359 #ifndef OPENSSL_NO_TLSEXT
1360 s_cert_file2=NULL;
1361 s_key_file2=NULL;
1362 #endif
1363 }
1364
1365 ctx=SSL_CTX_new(meth);
1366 if (ctx == NULL)
1367 {
1368 ERR_print_errors(bio_err);
1369 goto end;
1370 }
1371 if (session_id_prefix)
1372 {
1373 if(strlen(session_id_prefix) >= 32)
1374 BIO_printf(bio_err,
1375 "warning: id_prefix is too long, only one new session will be possible\n");
1376 else if(strlen(session_id_prefix) >= 16)
1377 BIO_printf(bio_err,
1378 "warning: id_prefix is too long if you use SSLv2\n");
1379 if(!SSL_CTX_set_generate_session_id(ctx, generate_session_id))
1380 {
1381 BIO_printf(bio_err,"error setting 'id_prefix'\n");
1382 ERR_print_errors(bio_err);
1383 goto end;
1384 }
1385 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1386 }
1387 SSL_CTX_set_quiet_shutdown(ctx,1);
1388 if (bugs) SSL_CTX_set_options(ctx,SSL_OP_ALL);
1389 if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1390 SSL_CTX_set_options(ctx,off);
1391 /* DTLS: partial reads end up discarding unread UDP bytes :-(
1392 * Setting read ahead solves this problem.
1393 */
1394 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1395
1396 if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1397 if (no_cache)
1398 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1399 else
1400 SSL_CTX_sess_set_cache_size(ctx,128);
1401
1402 #if 0
1403 if (cipher == NULL) cipher=getenv("SSL_CIPHER");
1404 #endif
1405
1406 #if 0
1407 if (s_cert_file == NULL)
1408 {
1409 BIO_printf(bio_err,"You must specify a certificate file for the server to use\n");
1410 goto end;
1411 }
1412 #endif
1413
1414 if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
1415 (!SSL_CTX_set_default_verify_paths(ctx)))
1416 {
1417 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
1418 ERR_print_errors(bio_err);
1419 /* goto end; */
1420 }
1421 if (vpm)
1422 SSL_CTX_set1_param(ctx, vpm);
1423
1424 #ifndef OPENSSL_NO_TLSEXT
1425 if (s_cert2)
1426 {
1427 ctx2=SSL_CTX_new(meth);
1428 if (ctx2 == NULL)
1429 {
1430 ERR_print_errors(bio_err);
1431 goto end;
1432 }
1433 }
1434
1435 if (ctx2)
1436 {
1437 BIO_printf(bio_s_out,"Setting secondary ctx parameters\n");
1438
1439 if (session_id_prefix)
1440 {
1441 if(strlen(session_id_prefix) >= 32)
1442 BIO_printf(bio_err,
1443 "warning: id_prefix is too long, only one new session will be possible\n");
1444 else if(strlen(session_id_prefix) >= 16)
1445 BIO_printf(bio_err,
1446 "warning: id_prefix is too long if you use SSLv2\n");
1447 if(!SSL_CTX_set_generate_session_id(ctx2, generate_session_id))
1448 {
1449 BIO_printf(bio_err,"error setting 'id_prefix'\n");
1450 ERR_print_errors(bio_err);
1451 goto end;
1452 }
1453 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1454 }
1455 SSL_CTX_set_quiet_shutdown(ctx2,1);
1456 if (bugs) SSL_CTX_set_options(ctx2,SSL_OP_ALL);
1457 if (hack) SSL_CTX_set_options(ctx2,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1458 SSL_CTX_set_options(ctx2,off);
1459 /* DTLS: partial reads end up discarding unread UDP bytes :-(
1460 * Setting read ahead solves this problem.
1461 */
1462 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx2, 1);
1463
1464 if (state) SSL_CTX_set_info_callback(ctx2,apps_ssl_info_callback);
1465
1466 if (no_cache)
1467 SSL_CTX_set_session_cache_mode(ctx2,SSL_SESS_CACHE_OFF);
1468 else
1469 SSL_CTX_sess_set_cache_size(ctx2,128);
1470
1471 if ((!SSL_CTX_load_verify_locations(ctx2,CAfile,CApath)) ||
1472 (!SSL_CTX_set_default_verify_paths(ctx2)))
1473 {
1474 ERR_print_errors(bio_err);
1475 }
1476 if (vpm)
1477 SSL_CTX_set1_param(ctx2, vpm);
1478 }
1479 #endif
1480
1481 #ifndef OPENSSL_NO_DH
1482 if (!no_dhe)
1483 {
1484 DH *dh=NULL;
1485
1486 if (dhfile)
1487 dh = load_dh_param(dhfile);
1488 else if (s_cert_file)
1489 dh = load_dh_param(s_cert_file);
1490
1491 if (dh != NULL)
1492 {
1493 BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1494 }
1495 else
1496 {
1497 BIO_printf(bio_s_out,"Using default temp DH parameters\n");
1498 dh=get_dh512();
1499 }
1500 (void)BIO_flush(bio_s_out);
1501
1502 SSL_CTX_set_tmp_dh(ctx,dh);
1503 #ifndef OPENSSL_NO_TLSEXT
1504 if (ctx2)
1505 {
1506 if (!dhfile)
1507 {
1508 DH *dh2=load_dh_param(s_cert_file2);
1509 if (dh2 != NULL)
1510 {
1511 BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1512 (void)BIO_flush(bio_s_out);
1513
1514 DH_free(dh);
1515 dh = dh2;
1516 }
1517 }
1518 SSL_CTX_set_tmp_dh(ctx2,dh);
1519 }
1520 #endif
1521 DH_free(dh);
1522 }
1523 #endif
1524
1525 #ifndef OPENSSL_NO_ECDH
1526 if (!no_ecdhe)
1527 {
1528 EC_KEY *ecdh=NULL;
1529
1530 if (named_curve)
1531 {
1532 int nid = OBJ_sn2nid(named_curve);
1533
1534 if (nid == 0)
1535 {
1536 BIO_printf(bio_err, "unknown curve name (%s)\n",
1537 named_curve);
1538 goto end;
1539 }
1540 ecdh = EC_KEY_new_by_curve_name(nid);
1541 if (ecdh == NULL)
1542 {
1543 BIO_printf(bio_err, "unable to create curve (%s)\n",
1544 named_curve);
1545 goto end;
1546 }
1547 }
1548
1549 if (ecdh != NULL)
1550 {
1551 BIO_printf(bio_s_out,"Setting temp ECDH parameters\n");
1552 }
1553 else
1554 {
1555 BIO_printf(bio_s_out,"Using default temp ECDH parameters\n");
1556 ecdh = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1);
1557 if (ecdh == NULL)
1558 {
1559 BIO_printf(bio_err, "unable to create curve (nistp256)\n");
1560 goto end;
1561 }
1562 }
1563 (void)BIO_flush(bio_s_out);
1564
1565 SSL_CTX_set_tmp_ecdh(ctx,ecdh);
1566 #ifndef OPENSSL_NO_TLSEXT
1567 if (ctx2)
1568 SSL_CTX_set_tmp_ecdh(ctx2,ecdh);
1569 #endif
1570 EC_KEY_free(ecdh);
1571 }
1572 #endif
1573
1574 if (!set_cert_key_stuff(ctx,s_cert,s_key))
1575 goto end;
1576 #ifndef OPENSSL_NO_TLSEXT
1577 if (ctx2 && !set_cert_key_stuff(ctx2,s_cert2,s_key2))
1578 goto end;
1579 #endif
1580 if (s_dcert != NULL)
1581 {
1582 if (!set_cert_key_stuff(ctx,s_dcert,s_dkey))
1583 goto end;
1584 }
1585
1586 #ifndef OPENSSL_NO_RSA
1587 #if 1
1588 if (!no_tmp_rsa)
1589 {
1590 SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
1591 #ifndef OPENSSL_NO_TLSEXT
1592 if (ctx2)
1593 SSL_CTX_set_tmp_rsa_callback(ctx2,tmp_rsa_cb);
1594 #endif
1595 }
1596 #else
1597 if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx))
1598 {
1599 RSA *rsa;
1600
1601 BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key...");
1602 BIO_flush(bio_s_out);
1603
1604 rsa=RSA_generate_key(512,RSA_F4,NULL);
1605
1606 if (!SSL_CTX_set_tmp_rsa(ctx,rsa))
1607 {
1608 ERR_print_errors(bio_err);
1609 goto end;
1610 }
1611 #ifndef OPENSSL_NO_TLSEXT
1612 if (ctx2)
1613 {
1614 if (!SSL_CTX_set_tmp_rsa(ctx2,rsa))
1615 {
1616 ERR_print_errors(bio_err);
1617 goto end;
1618 }
1619 }
1620 #endif
1621 RSA_free(rsa);
1622 BIO_printf(bio_s_out,"\n");
1623 }
1624 #endif
1625 #endif
1626
1627 #ifndef OPENSSL_NO_PSK
1628 #ifdef OPENSSL_NO_JPAKE
1629 if (psk_key != NULL)
1630 #else
1631 if (psk_key != NULL || jpake_secret)
1632 #endif
1633 {
1634 if (s_debug)
1635 BIO_printf(bio_s_out, "PSK key given or JPAKE in use, setting server callback\n");
1636 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
1637 }
1638
1639 if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint))
1640 {
1641 BIO_printf(bio_err,"error setting PSK identity hint to context\n");
1642 ERR_print_errors(bio_err);
1643 goto end;
1644 }
1645 #endif
1646
1647 if (cipher != NULL)
1648 {
1649 if(!SSL_CTX_set_cipher_list(ctx,cipher))
1650 {
1651 BIO_printf(bio_err,"error setting cipher list\n");
1652 ERR_print_errors(bio_err);
1653 goto end;
1654 }
1655 #ifndef OPENSSL_NO_TLSEXT
1656 if (ctx2 && !SSL_CTX_set_cipher_list(ctx2,cipher))
1657 {
1658 BIO_printf(bio_err,"error setting cipher list\n");
1659 ERR_print_errors(bio_err);
1660 goto end;
1661 }
1662 #endif
1663 }
1664 SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
1665 SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
1666 sizeof s_server_session_id_context);
1667
1668 /* Set DTLS cookie generation and verification callbacks */
1669 SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
1670 SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
1671
1672 #ifndef OPENSSL_NO_TLSEXT
1673 if (ctx2)
1674 {
1675 SSL_CTX_set_verify(ctx2,s_server_verify,verify_callback);
1676 SSL_CTX_set_session_id_context(ctx2,(void*)&s_server_session_id_context,
1677 sizeof s_server_session_id_context);
1678
1679 tlsextcbp.biodebug = bio_s_out;
1680 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
1681 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
1682 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1683 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1684 }
1685 #endif
1686
1687 if (CAfile != NULL)
1688 {
1689 SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
1690 #ifndef OPENSSL_NO_TLSEXT
1691 if (ctx2)
1692 SSL_CTX_set_client_CA_list(ctx2,SSL_load_client_CA_file(CAfile));
1693 #endif
1694 }
1695
1696 BIO_printf(bio_s_out,"ACCEPT\n");
1697 (void)BIO_flush(bio_s_out);
1698 if (www)
1699 do_server(port,socket_type,&accept_socket,www_body, context);
1700 else
1701 do_server(port,socket_type,&accept_socket,sv_body, context);
1702 print_stats(bio_s_out,ctx);
1703 ret=0;
1704 end:
1705 if (ctx != NULL) SSL_CTX_free(ctx);
1706 if (s_cert)
1707 X509_free(s_cert);
1708 if (s_dcert)
1709 X509_free(s_dcert);
1710 if (s_key)
1711 EVP_PKEY_free(s_key);
1712 if (s_dkey)
1713 EVP_PKEY_free(s_dkey);
1714 if (pass)
1715 OPENSSL_free(pass);
1716 if (dpass)
1717 OPENSSL_free(dpass);
1718 #ifndef OPENSSL_NO_TLSEXT
1719 if (ctx2 != NULL) SSL_CTX_free(ctx2);
1720 if (s_cert2)
1721 X509_free(s_cert2);
1722 if (s_key2)
1723 EVP_PKEY_free(s_key2);
1724 #endif
1725 if (bio_s_out != NULL)
1726 {
1727 BIO_free(bio_s_out);
1728 bio_s_out=NULL;
1729 }
1730 apps_shutdown();
1731 OPENSSL_EXIT(ret);
1732 }
1733
print_stats(BIO * bio,SSL_CTX * ssl_ctx)1734 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
1735 {
1736 BIO_printf(bio,"%4ld items in the session cache\n",
1737 SSL_CTX_sess_number(ssl_ctx));
1738 BIO_printf(bio,"%4ld client connects (SSL_connect())\n",
1739 SSL_CTX_sess_connect(ssl_ctx));
1740 BIO_printf(bio,"%4ld client renegotiates (SSL_connect())\n",
1741 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
1742 BIO_printf(bio,"%4ld client connects that finished\n",
1743 SSL_CTX_sess_connect_good(ssl_ctx));
1744 BIO_printf(bio,"%4ld server accepts (SSL_accept())\n",
1745 SSL_CTX_sess_accept(ssl_ctx));
1746 BIO_printf(bio,"%4ld server renegotiates (SSL_accept())\n",
1747 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
1748 BIO_printf(bio,"%4ld server accepts that finished\n",
1749 SSL_CTX_sess_accept_good(ssl_ctx));
1750 BIO_printf(bio,"%4ld session cache hits\n",SSL_CTX_sess_hits(ssl_ctx));
1751 BIO_printf(bio,"%4ld session cache misses\n",SSL_CTX_sess_misses(ssl_ctx));
1752 BIO_printf(bio,"%4ld session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx));
1753 BIO_printf(bio,"%4ld callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx));
1754 BIO_printf(bio,"%4ld cache full overflows (%ld allowed)\n",
1755 SSL_CTX_sess_cache_full(ssl_ctx),
1756 SSL_CTX_sess_get_cache_size(ssl_ctx));
1757 }
1758
sv_body(char * hostname,int s,unsigned char * context)1759 static int sv_body(char *hostname, int s, unsigned char *context)
1760 {
1761 char *buf=NULL;
1762 fd_set readfds;
1763 int ret=1,width;
1764 int k,i;
1765 unsigned long l;
1766 SSL *con=NULL;
1767 BIO *sbio;
1768 struct timeval timeout;
1769 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
1770 struct timeval tv;
1771 #else
1772 struct timeval *timeoutp;
1773 #endif
1774
1775 if ((buf=OPENSSL_malloc(bufsize)) == NULL)
1776 {
1777 BIO_printf(bio_err,"out of memory\n");
1778 goto err;
1779 }
1780 #ifdef FIONBIO
1781 if (s_nbio)
1782 {
1783 unsigned long sl=1;
1784
1785 if (!s_quiet)
1786 BIO_printf(bio_err,"turning on non blocking io\n");
1787 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
1788 ERR_print_errors(bio_err);
1789 }
1790 #endif
1791
1792 if (con == NULL) {
1793 con=SSL_new(ctx);
1794 #ifndef OPENSSL_NO_TLSEXT
1795 if (s_tlsextdebug)
1796 {
1797 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1798 SSL_set_tlsext_debug_arg(con, bio_s_out);
1799 }
1800 if (s_tlsextstatus)
1801 {
1802 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
1803 tlscstatp.err = bio_err;
1804 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
1805 }
1806 #endif
1807 #ifndef OPENSSL_NO_KRB5
1808 if ((con->kssl_ctx = kssl_ctx_new()) != NULL)
1809 {
1810 kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVICE,
1811 KRB5SVC);
1812 kssl_ctx_setstring(con->kssl_ctx, KSSL_KEYTAB,
1813 KRB5KEYTAB);
1814 }
1815 #endif /* OPENSSL_NO_KRB5 */
1816 if(context)
1817 SSL_set_session_id_context(con, context,
1818 strlen((char *)context));
1819 }
1820 SSL_clear(con);
1821 #if 0
1822 #ifdef TLSEXT_TYPE_opaque_prf_input
1823 SSL_set_tlsext_opaque_prf_input(con, "Test server", 11);
1824 #endif
1825 #endif
1826
1827 if (SSL_version(con) == DTLS1_VERSION)
1828 {
1829
1830 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
1831
1832 if (enable_timeouts)
1833 {
1834 timeout.tv_sec = 0;
1835 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1836 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1837
1838 timeout.tv_sec = 0;
1839 timeout.tv_usec = DGRAM_SND_TIMEOUT;
1840 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1841 }
1842
1843 if (socket_mtu > 28)
1844 {
1845 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1846 SSL_set_mtu(con, socket_mtu - 28);
1847 }
1848 else
1849 /* want to do MTU discovery */
1850 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1851
1852 /* turn on cookie exchange */
1853 SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
1854 }
1855 else
1856 sbio=BIO_new_socket(s,BIO_NOCLOSE);
1857
1858 if (s_nbio_test)
1859 {
1860 BIO *test;
1861
1862 test=BIO_new(BIO_f_nbio_test());
1863 sbio=BIO_push(test,sbio);
1864 }
1865 #ifndef OPENSSL_NO_JPAKE
1866 if(jpake_secret)
1867 jpake_server_auth(bio_s_out, sbio, jpake_secret);
1868 #endif
1869
1870 SSL_set_bio(con,sbio,sbio);
1871 SSL_set_accept_state(con);
1872 /* SSL_set_fd(con,s); */
1873
1874 if (s_debug)
1875 {
1876 con->debug=1;
1877 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
1878 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
1879 }
1880 if (s_msg)
1881 {
1882 SSL_set_msg_callback(con, msg_cb);
1883 SSL_set_msg_callback_arg(con, bio_s_out);
1884 }
1885 #ifndef OPENSSL_NO_TLSEXT
1886 if (s_tlsextdebug)
1887 {
1888 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1889 SSL_set_tlsext_debug_arg(con, bio_s_out);
1890 }
1891 #endif
1892
1893 width=s+1;
1894 for (;;)
1895 {
1896 int read_from_terminal;
1897 int read_from_sslcon;
1898
1899 read_from_terminal = 0;
1900 read_from_sslcon = SSL_pending(con);
1901
1902 if (!read_from_sslcon)
1903 {
1904 FD_ZERO(&readfds);
1905 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined(OPENSSL_SYS_BEOS_R5)
1906 openssl_fdset(fileno(stdin),&readfds);
1907 #endif
1908 openssl_fdset(s,&readfds);
1909 /* Note: under VMS with SOCKETSHR the second parameter is
1910 * currently of type (int *) whereas under other systems
1911 * it is (void *) if you don't have a cast it will choke
1912 * the compiler: if you do have a cast then you can either
1913 * go for (int *) or (void *).
1914 */
1915 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
1916 /* Under DOS (non-djgpp) and Windows we can't select on stdin: only
1917 * on sockets. As a workaround we timeout the select every
1918 * second and check for any keypress. In a proper Windows
1919 * application we wouldn't do this because it is inefficient.
1920 */
1921 tv.tv_sec = 1;
1922 tv.tv_usec = 0;
1923 i=select(width,(void *)&readfds,NULL,NULL,&tv);
1924 if((i < 0) || (!i && !_kbhit() ) )continue;
1925 if(_kbhit())
1926 read_from_terminal = 1;
1927 #elif defined(OPENSSL_SYS_BEOS_R5)
1928 /* Under BeOS-R5 the situation is similar to DOS */
1929 tv.tv_sec = 1;
1930 tv.tv_usec = 0;
1931 (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
1932 i=select(width,(void *)&readfds,NULL,NULL,&tv);
1933 if ((i < 0) || (!i && read(fileno(stdin), buf, 0) < 0))
1934 continue;
1935 if (read(fileno(stdin), buf, 0) >= 0)
1936 read_from_terminal = 1;
1937 (void)fcntl(fileno(stdin), F_SETFL, 0);
1938 #else
1939 if ((SSL_version(con) == DTLS1_VERSION) &&
1940 DTLSv1_get_timeout(con, &timeout))
1941 timeoutp = &timeout;
1942 else
1943 timeoutp = NULL;
1944
1945 i=select(width,(void *)&readfds,NULL,NULL,timeoutp);
1946
1947 if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
1948 {
1949 BIO_printf(bio_err,"TIMEOUT occured\n");
1950 }
1951
1952 if (i <= 0) continue;
1953 if (FD_ISSET(fileno(stdin),&readfds))
1954 read_from_terminal = 1;
1955 #endif
1956 if (FD_ISSET(s,&readfds))
1957 read_from_sslcon = 1;
1958 }
1959 if (read_from_terminal)
1960 {
1961 if (s_crlf)
1962 {
1963 int j, lf_num;
1964
1965 i=raw_read_stdin(buf, bufsize/2);
1966 lf_num = 0;
1967 /* both loops are skipped when i <= 0 */
1968 for (j = 0; j < i; j++)
1969 if (buf[j] == '\n')
1970 lf_num++;
1971 for (j = i-1; j >= 0; j--)
1972 {
1973 buf[j+lf_num] = buf[j];
1974 if (buf[j] == '\n')
1975 {
1976 lf_num--;
1977 i++;
1978 buf[j+lf_num] = '\r';
1979 }
1980 }
1981 assert(lf_num == 0);
1982 }
1983 else
1984 i=raw_read_stdin(buf,bufsize);
1985 if (!s_quiet)
1986 {
1987 if ((i <= 0) || (buf[0] == 'Q'))
1988 {
1989 BIO_printf(bio_s_out,"DONE\n");
1990 SHUTDOWN(s);
1991 close_accept_socket();
1992 ret= -11;
1993 goto err;
1994 }
1995 if ((i <= 0) || (buf[0] == 'q'))
1996 {
1997 BIO_printf(bio_s_out,"DONE\n");
1998 if (SSL_version(con) != DTLS1_VERSION)
1999 SHUTDOWN(s);
2000 /* close_accept_socket();
2001 ret= -11;*/
2002 goto err;
2003 }
2004
2005 if ((buf[0] == 'r') &&
2006 ((buf[1] == '\n') || (buf[1] == '\r')))
2007 {
2008 SSL_renegotiate(con);
2009 i=SSL_do_handshake(con);
2010 printf("SSL_do_handshake -> %d\n",i);
2011 i=0; /*13; */
2012 continue;
2013 /* strcpy(buf,"server side RE-NEGOTIATE\n"); */
2014 }
2015 if ((buf[0] == 'R') &&
2016 ((buf[1] == '\n') || (buf[1] == '\r')))
2017 {
2018 SSL_set_verify(con,
2019 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
2020 SSL_renegotiate(con);
2021 i=SSL_do_handshake(con);
2022 printf("SSL_do_handshake -> %d\n",i);
2023 i=0; /* 13; */
2024 continue;
2025 /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
2026 }
2027 if (buf[0] == 'P')
2028 {
2029 static const char *str="Lets print some clear text\n";
2030 BIO_write(SSL_get_wbio(con),str,strlen(str));
2031 }
2032 if (buf[0] == 'S')
2033 {
2034 print_stats(bio_s_out,SSL_get_SSL_CTX(con));
2035 }
2036 }
2037 #ifdef CHARSET_EBCDIC
2038 ebcdic2ascii(buf,buf,i);
2039 #endif
2040 l=k=0;
2041 for (;;)
2042 {
2043 /* should do a select for the write */
2044 #ifdef RENEG
2045 { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
2046 #endif
2047 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2048 switch (SSL_get_error(con,k))
2049 {
2050 case SSL_ERROR_NONE:
2051 break;
2052 case SSL_ERROR_WANT_WRITE:
2053 case SSL_ERROR_WANT_READ:
2054 case SSL_ERROR_WANT_X509_LOOKUP:
2055 BIO_printf(bio_s_out,"Write BLOCK\n");
2056 break;
2057 case SSL_ERROR_SYSCALL:
2058 case SSL_ERROR_SSL:
2059 BIO_printf(bio_s_out,"ERROR\n");
2060 ERR_print_errors(bio_err);
2061 ret=1;
2062 goto err;
2063 /* break; */
2064 case SSL_ERROR_ZERO_RETURN:
2065 BIO_printf(bio_s_out,"DONE\n");
2066 ret=1;
2067 goto err;
2068 }
2069 l+=k;
2070 i-=k;
2071 if (i <= 0) break;
2072 }
2073 }
2074 if (read_from_sslcon)
2075 {
2076 if (!SSL_is_init_finished(con))
2077 {
2078 i=init_ssl_connection(con);
2079
2080 if (i < 0)
2081 {
2082 ret=0;
2083 goto err;
2084 }
2085 else if (i == 0)
2086 {
2087 ret=1;
2088 goto err;
2089 }
2090 }
2091 else
2092 {
2093 again:
2094 i=SSL_read(con,(char *)buf,bufsize);
2095 switch (SSL_get_error(con,i))
2096 {
2097 case SSL_ERROR_NONE:
2098 #ifdef CHARSET_EBCDIC
2099 ascii2ebcdic(buf,buf,i);
2100 #endif
2101 raw_write_stdout(buf,
2102 (unsigned int)i);
2103 if (SSL_pending(con)) goto again;
2104 break;
2105 case SSL_ERROR_WANT_WRITE:
2106 case SSL_ERROR_WANT_READ:
2107 case SSL_ERROR_WANT_X509_LOOKUP:
2108 BIO_printf(bio_s_out,"Read BLOCK\n");
2109 break;
2110 case SSL_ERROR_SYSCALL:
2111 case SSL_ERROR_SSL:
2112 BIO_printf(bio_s_out,"ERROR\n");
2113 ERR_print_errors(bio_err);
2114 ret=1;
2115 goto err;
2116 case SSL_ERROR_ZERO_RETURN:
2117 BIO_printf(bio_s_out,"DONE\n");
2118 ret=1;
2119 goto err;
2120 }
2121 }
2122 }
2123 }
2124 err:
2125 if (con != NULL)
2126 {
2127 BIO_printf(bio_s_out,"shutting down SSL\n");
2128 #if 1
2129 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
2130 #else
2131 SSL_shutdown(con);
2132 #endif
2133 SSL_free(con);
2134 }
2135 BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
2136 if (buf != NULL)
2137 {
2138 OPENSSL_cleanse(buf,bufsize);
2139 OPENSSL_free(buf);
2140 }
2141 if (ret >= 0)
2142 BIO_printf(bio_s_out,"ACCEPT\n");
2143 return(ret);
2144 }
2145
close_accept_socket(void)2146 static void close_accept_socket(void)
2147 {
2148 BIO_printf(bio_err,"shutdown accept socket\n");
2149 if (accept_socket >= 0)
2150 {
2151 SHUTDOWN2(accept_socket);
2152 }
2153 }
2154
init_ssl_connection(SSL * con)2155 static int init_ssl_connection(SSL *con)
2156 {
2157 int i;
2158 const char *str;
2159 X509 *peer;
2160 long verify_error;
2161 MS_STATIC char buf[BUFSIZ];
2162
2163 if ((i=SSL_accept(con)) <= 0)
2164 {
2165 if (BIO_sock_should_retry(i))
2166 {
2167 BIO_printf(bio_s_out,"DELAY\n");
2168 return(1);
2169 }
2170
2171 BIO_printf(bio_err,"ERROR\n");
2172 verify_error=SSL_get_verify_result(con);
2173 if (verify_error != X509_V_OK)
2174 {
2175 BIO_printf(bio_err,"verify error:%s\n",
2176 X509_verify_cert_error_string(verify_error));
2177 }
2178 else
2179 ERR_print_errors(bio_err);
2180 return(0);
2181 }
2182
2183 PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con));
2184
2185 peer=SSL_get_peer_certificate(con);
2186 if (peer != NULL)
2187 {
2188 BIO_printf(bio_s_out,"Client certificate\n");
2189 PEM_write_bio_X509(bio_s_out,peer);
2190 X509_NAME_oneline(X509_get_subject_name(peer),buf,sizeof buf);
2191 BIO_printf(bio_s_out,"subject=%s\n",buf);
2192 X509_NAME_oneline(X509_get_issuer_name(peer),buf,sizeof buf);
2193 BIO_printf(bio_s_out,"issuer=%s\n",buf);
2194 X509_free(peer);
2195 }
2196
2197 if (SSL_get_shared_ciphers(con,buf,sizeof buf) != NULL)
2198 BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
2199 str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2200 BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
2201 if (con->hit) BIO_printf(bio_s_out,"Reused session-id\n");
2202 if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
2203 TLS1_FLAGS_TLS_PADDING_BUG)
2204 BIO_printf(bio_s_out,"Peer has incorrect TLSv1 block padding\n");
2205 #ifndef OPENSSL_NO_KRB5
2206 if (con->kssl_ctx->client_princ != NULL)
2207 {
2208 BIO_printf(bio_s_out,"Kerberos peer principal is %s\n",
2209 con->kssl_ctx->client_princ);
2210 }
2211 #endif /* OPENSSL_NO_KRB5 */
2212 BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2213 SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2214 return(1);
2215 }
2216
2217 #ifndef OPENSSL_NO_DH
load_dh_param(const char * dhfile)2218 static DH *load_dh_param(const char *dhfile)
2219 {
2220 DH *ret=NULL;
2221 BIO *bio;
2222
2223 if ((bio=BIO_new_file(dhfile,"r")) == NULL)
2224 goto err;
2225 ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL);
2226 err:
2227 if (bio != NULL) BIO_free(bio);
2228 return(ret);
2229 }
2230 #endif
2231
2232 #if 0
2233 static int load_CA(SSL_CTX *ctx, char *file)
2234 {
2235 FILE *in;
2236 X509 *x=NULL;
2237
2238 if ((in=fopen(file,"r")) == NULL)
2239 return(0);
2240
2241 for (;;)
2242 {
2243 if (PEM_read_X509(in,&x,NULL) == NULL)
2244 break;
2245 SSL_CTX_add_client_CA(ctx,x);
2246 }
2247 if (x != NULL) X509_free(x);
2248 fclose(in);
2249 return(1);
2250 }
2251 #endif
2252
www_body(char * hostname,int s,unsigned char * context)2253 static int www_body(char *hostname, int s, unsigned char *context)
2254 {
2255 char *buf=NULL;
2256 int ret=1;
2257 int i,j,k,blank,dot;
2258 SSL *con;
2259 const SSL_CIPHER *c;
2260 BIO *io,*ssl_bio,*sbio;
2261 long total_bytes;
2262
2263 buf=OPENSSL_malloc(bufsize);
2264 if (buf == NULL) return(0);
2265 io=BIO_new(BIO_f_buffer());
2266 ssl_bio=BIO_new(BIO_f_ssl());
2267 if ((io == NULL) || (ssl_bio == NULL)) goto err;
2268
2269 #ifdef FIONBIO
2270 if (s_nbio)
2271 {
2272 unsigned long sl=1;
2273
2274 if (!s_quiet)
2275 BIO_printf(bio_err,"turning on non blocking io\n");
2276 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2277 ERR_print_errors(bio_err);
2278 }
2279 #endif
2280
2281 /* lets make the output buffer a reasonable size */
2282 if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
2283
2284 if ((con=SSL_new(ctx)) == NULL) goto err;
2285 #ifndef OPENSSL_NO_TLSEXT
2286 if (s_tlsextdebug)
2287 {
2288 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2289 SSL_set_tlsext_debug_arg(con, bio_s_out);
2290 }
2291 #endif
2292 #ifndef OPENSSL_NO_KRB5
2293 if ((con->kssl_ctx = kssl_ctx_new()) != NULL)
2294 {
2295 kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVICE, KRB5SVC);
2296 kssl_ctx_setstring(con->kssl_ctx, KSSL_KEYTAB, KRB5KEYTAB);
2297 }
2298 #endif /* OPENSSL_NO_KRB5 */
2299 if(context) SSL_set_session_id_context(con, context,
2300 strlen((char *)context));
2301
2302 sbio=BIO_new_socket(s,BIO_NOCLOSE);
2303 if (s_nbio_test)
2304 {
2305 BIO *test;
2306
2307 test=BIO_new(BIO_f_nbio_test());
2308 sbio=BIO_push(test,sbio);
2309 }
2310 SSL_set_bio(con,sbio,sbio);
2311 SSL_set_accept_state(con);
2312
2313 /* SSL_set_fd(con,s); */
2314 BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
2315 BIO_push(io,ssl_bio);
2316 #ifdef CHARSET_EBCDIC
2317 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
2318 #endif
2319
2320 if (s_debug)
2321 {
2322 con->debug=1;
2323 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2324 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2325 }
2326 if (s_msg)
2327 {
2328 SSL_set_msg_callback(con, msg_cb);
2329 SSL_set_msg_callback_arg(con, bio_s_out);
2330 }
2331
2332 blank=0;
2333 for (;;)
2334 {
2335 if (hack)
2336 {
2337 i=SSL_accept(con);
2338
2339 switch (SSL_get_error(con,i))
2340 {
2341 case SSL_ERROR_NONE:
2342 break;
2343 case SSL_ERROR_WANT_WRITE:
2344 case SSL_ERROR_WANT_READ:
2345 case SSL_ERROR_WANT_X509_LOOKUP:
2346 continue;
2347 case SSL_ERROR_SYSCALL:
2348 case SSL_ERROR_SSL:
2349 case SSL_ERROR_ZERO_RETURN:
2350 ret=1;
2351 goto err;
2352 /* break; */
2353 }
2354
2355 SSL_renegotiate(con);
2356 SSL_write(con,NULL,0);
2357 }
2358
2359 i=BIO_gets(io,buf,bufsize-1);
2360 if (i < 0) /* error */
2361 {
2362 if (!BIO_should_retry(io))
2363 {
2364 if (!s_quiet)
2365 ERR_print_errors(bio_err);
2366 goto err;
2367 }
2368 else
2369 {
2370 BIO_printf(bio_s_out,"read R BLOCK\n");
2371 #if defined(OPENSSL_SYS_NETWARE)
2372 delay(1000);
2373 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__)
2374 sleep(1);
2375 #endif
2376 continue;
2377 }
2378 }
2379 else if (i == 0) /* end of input */
2380 {
2381 ret=1;
2382 goto end;
2383 }
2384
2385 /* else we have data */
2386 if ( ((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
2387 ((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
2388 {
2389 char *p;
2390 X509 *peer;
2391 STACK_OF(SSL_CIPHER) *sk;
2392 static const char *space=" ";
2393
2394 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2395 BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n");
2396 BIO_puts(io,"<pre>\n");
2397 /* BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
2398 BIO_puts(io,"\n");
2399 for (i=0; i<local_argc; i++)
2400 {
2401 BIO_puts(io,local_argv[i]);
2402 BIO_write(io," ",1);
2403 }
2404 BIO_puts(io,"\n");
2405
2406 /* The following is evil and should not really
2407 * be done */
2408 BIO_printf(io,"Ciphers supported in s_server binary\n");
2409 sk=SSL_get_ciphers(con);
2410 j=sk_SSL_CIPHER_num(sk);
2411 for (i=0; i<j; i++)
2412 {
2413 c=sk_SSL_CIPHER_value(sk,i);
2414 BIO_printf(io,"%-11s:%-25s",
2415 SSL_CIPHER_get_version(c),
2416 SSL_CIPHER_get_name(c));
2417 if ((((i+1)%2) == 0) && (i+1 != j))
2418 BIO_puts(io,"\n");
2419 }
2420 BIO_puts(io,"\n");
2421 p=SSL_get_shared_ciphers(con,buf,bufsize);
2422 if (p != NULL)
2423 {
2424 BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
2425 j=i=0;
2426 while (*p)
2427 {
2428 if (*p == ':')
2429 {
2430 BIO_write(io,space,26-j);
2431 i++;
2432 j=0;
2433 BIO_write(io,((i%3)?" ":"\n"),1);
2434 }
2435 else
2436 {
2437 BIO_write(io,p,1);
2438 j++;
2439 }
2440 p++;
2441 }
2442 BIO_puts(io,"\n");
2443 }
2444 BIO_printf(io,((con->hit)
2445 ?"---\nReused, "
2446 :"---\nNew, "));
2447 c=SSL_get_current_cipher(con);
2448 BIO_printf(io,"%s, Cipher is %s\n",
2449 SSL_CIPHER_get_version(c),
2450 SSL_CIPHER_get_name(c));
2451 SSL_SESSION_print(io,SSL_get_session(con));
2452 BIO_printf(io,"---\n");
2453 print_stats(io,SSL_get_SSL_CTX(con));
2454 BIO_printf(io,"---\n");
2455 peer=SSL_get_peer_certificate(con);
2456 if (peer != NULL)
2457 {
2458 BIO_printf(io,"Client certificate\n");
2459 X509_print(io,peer);
2460 PEM_write_bio_X509(io,peer);
2461 }
2462 else
2463 BIO_puts(io,"no client certificate available\n");
2464 BIO_puts(io,"</BODY></HTML>\r\n\r\n");
2465 break;
2466 }
2467 else if ((www == 2 || www == 3)
2468 && (strncmp("GET /",buf,5) == 0))
2469 {
2470 BIO *file;
2471 char *p,*e;
2472 static const char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
2473
2474 /* skip the '/' */
2475 p= &(buf[5]);
2476
2477 dot = 1;
2478 for (e=p; *e != '\0'; e++)
2479 {
2480 if (e[0] == ' ')
2481 break;
2482
2483 switch (dot)
2484 {
2485 case 1:
2486 dot = (e[0] == '.') ? 2 : 0;
2487 break;
2488 case 2:
2489 dot = (e[0] == '.') ? 3 : 0;
2490 break;
2491 case 3:
2492 dot = (e[0] == '/') ? -1 : 0;
2493 break;
2494 }
2495 if (dot == 0)
2496 dot = (e[0] == '/') ? 1 : 0;
2497 }
2498 dot = (dot == 3) || (dot == -1); /* filename contains ".." component */
2499
2500 if (*e == '\0')
2501 {
2502 BIO_puts(io,text);
2503 BIO_printf(io,"'%s' is an invalid file name\r\n",p);
2504 break;
2505 }
2506 *e='\0';
2507
2508 if (dot)
2509 {
2510 BIO_puts(io,text);
2511 BIO_printf(io,"'%s' contains '..' reference\r\n",p);
2512 break;
2513 }
2514
2515 if (*p == '/')
2516 {
2517 BIO_puts(io,text);
2518 BIO_printf(io,"'%s' is an invalid path\r\n",p);
2519 break;
2520 }
2521
2522 #if 0
2523 /* append if a directory lookup */
2524 if (e[-1] == '/')
2525 strcat(p,"index.html");
2526 #endif
2527
2528 /* if a directory, do the index thang */
2529 if (app_isdir(p)>0)
2530 {
2531 #if 0 /* must check buffer size */
2532 strcat(p,"/index.html");
2533 #else
2534 BIO_puts(io,text);
2535 BIO_printf(io,"'%s' is a directory\r\n",p);
2536 break;
2537 #endif
2538 }
2539
2540 if ((file=BIO_new_file(p,"r")) == NULL)
2541 {
2542 BIO_puts(io,text);
2543 BIO_printf(io,"Error opening '%s'\r\n",p);
2544 ERR_print_errors(io);
2545 break;
2546 }
2547
2548 if (!s_quiet)
2549 BIO_printf(bio_err,"FILE:%s\n",p);
2550
2551 if (www == 2)
2552 {
2553 i=strlen(p);
2554 if ( ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) ||
2555 ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) ||
2556 ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0)))
2557 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2558 else
2559 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
2560 }
2561 /* send the file */
2562 total_bytes=0;
2563 for (;;)
2564 {
2565 i=BIO_read(file,buf,bufsize);
2566 if (i <= 0) break;
2567
2568 #ifdef RENEG
2569 total_bytes+=i;
2570 fprintf(stderr,"%d\n",i);
2571 if (total_bytes > 3*1024)
2572 {
2573 total_bytes=0;
2574 fprintf(stderr,"RENEGOTIATE\n");
2575 SSL_renegotiate(con);
2576 }
2577 #endif
2578
2579 for (j=0; j<i; )
2580 {
2581 #ifdef RENEG
2582 { static count=0; if (++count == 13) { SSL_renegotiate(con); } }
2583 #endif
2584 k=BIO_write(io,&(buf[j]),i-j);
2585 if (k <= 0)
2586 {
2587 if (!BIO_should_retry(io))
2588 goto write_error;
2589 else
2590 {
2591 BIO_printf(bio_s_out,"rwrite W BLOCK\n");
2592 }
2593 }
2594 else
2595 {
2596 j+=k;
2597 }
2598 }
2599 }
2600 write_error:
2601 BIO_free(file);
2602 break;
2603 }
2604 }
2605
2606 for (;;)
2607 {
2608 i=(int)BIO_flush(io);
2609 if (i <= 0)
2610 {
2611 if (!BIO_should_retry(io))
2612 break;
2613 }
2614 else
2615 break;
2616 }
2617 end:
2618 #if 1
2619 /* make sure we re-use sessions */
2620 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
2621 #else
2622 /* This kills performance */
2623 /* SSL_shutdown(con); A shutdown gets sent in the
2624 * BIO_free_all(io) procession */
2625 #endif
2626
2627 err:
2628
2629 if (ret >= 0)
2630 BIO_printf(bio_s_out,"ACCEPT\n");
2631
2632 if (buf != NULL) OPENSSL_free(buf);
2633 if (io != NULL) BIO_free_all(io);
2634 /* if (ssl_bio != NULL) BIO_free(ssl_bio);*/
2635 return(ret);
2636 }
2637
2638 #ifndef OPENSSL_NO_RSA
tmp_rsa_cb(SSL * s,int is_export,int keylength)2639 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
2640 {
2641 BIGNUM *bn = NULL;
2642 static RSA *rsa_tmp=NULL;
2643
2644 if (!rsa_tmp && ((bn = BN_new()) == NULL))
2645 BIO_printf(bio_err,"Allocation error in generating RSA key\n");
2646 if (!rsa_tmp && bn)
2647 {
2648 if (!s_quiet)
2649 {
2650 BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
2651 (void)BIO_flush(bio_err);
2652 }
2653 if(!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) ||
2654 !RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL))
2655 {
2656 if(rsa_tmp) RSA_free(rsa_tmp);
2657 rsa_tmp = NULL;
2658 }
2659 if (!s_quiet)
2660 {
2661 BIO_printf(bio_err,"\n");
2662 (void)BIO_flush(bio_err);
2663 }
2664 BN_free(bn);
2665 }
2666 return(rsa_tmp);
2667 }
2668 #endif
2669
2670 #define MAX_SESSION_ID_ATTEMPTS 10
generate_session_id(const SSL * ssl,unsigned char * id,unsigned int * id_len)2671 static int generate_session_id(const SSL *ssl, unsigned char *id,
2672 unsigned int *id_len)
2673 {
2674 unsigned int count = 0;
2675 do {
2676 RAND_pseudo_bytes(id, *id_len);
2677 /* Prefix the session_id with the required prefix. NB: If our
2678 * prefix is too long, clip it - but there will be worse effects
2679 * anyway, eg. the server could only possibly create 1 session
2680 * ID (ie. the prefix!) so all future session negotiations will
2681 * fail due to conflicts. */
2682 memcpy(id, session_id_prefix,
2683 (strlen(session_id_prefix) < *id_len) ?
2684 strlen(session_id_prefix) : *id_len);
2685 }
2686 while(SSL_has_matching_session_id(ssl, id, *id_len) &&
2687 (++count < MAX_SESSION_ID_ATTEMPTS));
2688 if(count >= MAX_SESSION_ID_ATTEMPTS)
2689 return 0;
2690 return 1;
2691 }
2692