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test/amd64: update to qemu-0.10.6
[dragonfly.git] / crypto / openssl / apps / s_server.c
blob84b1b284613fbf10875260ef5224be21842bc3f7
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) 1998-2001 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 /* Until the key-gen callbacks are modified to use newer prototypes, we allow
118 * deprecated functions for openssl-internal code */
119 #ifdef OPENSSL_NO_DEPRECATED
120 #undef OPENSSL_NO_DEPRECATED
121 #endif
122
123 #include <assert.h>
124 #include <stdio.h>
125 #include <stdlib.h>
126 #include <string.h>
127
128 #include <sys/stat.h>
129 #include <openssl/e_os2.h>
130 #ifdef OPENSSL_NO_STDIO
131 #define APPS_WIN16
132 #endif
133
134 #if !defined(OPENSSL_SYS_NETWARE) /* conflicts with winsock2 stuff on netware */
135 #include <sys/types.h>
136 #endif
137
138 /* With IPv6, it looks like Digital has mixed up the proper order of
139 recursive header file inclusion, resulting in the compiler complaining
140 that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which
141 is needed to have fileno() declared correctly... So let's define u_int */
142 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
143 #define __U_INT
144 typedef unsigned int u_int;
145 #endif
146
147 #include <openssl/lhash.h>
148 #include <openssl/bn.h>
149 #define USE_SOCKETS
150 #include "apps.h"
151 #include <openssl/err.h>
152 #include <openssl/pem.h>
153 #include <openssl/x509.h>
154 #include <openssl/ssl.h>
155 #include <openssl/rand.h>
156 #include <openssl/ocsp.h>
157 #ifndef OPENSSL_NO_DH
158 #include <openssl/dh.h>
159 #endif
160 #ifndef OPENSSL_NO_RSA
161 #include <openssl/rsa.h>
162 #endif
163 #include "s_apps.h"
164 #include "timeouts.h"
165
166 #ifdef OPENSSL_SYS_WINCE
167 /* Windows CE incorrectly defines fileno as returning void*, so to avoid problems below... */
168 #ifdef fileno
169 #undef fileno
170 #endif
171 #define fileno(a) (int)_fileno(a)
172 #endif
173
174 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
175 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
176 #undef FIONBIO
177 #endif
178
179 #ifndef OPENSSL_NO_RSA
180 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength);
181 #endif
182 static int sv_body(char *hostname, int s, unsigned char *context);
183 static int www_body(char *hostname, int s, unsigned char *context);
184 static void close_accept_socket(void );
185 static void sv_usage(void);
186 static int init_ssl_connection(SSL *s);
187 static void print_stats(BIO *bp,SSL_CTX *ctx);
188 static int generate_session_id(const SSL *ssl, unsigned char *id,
189 unsigned int *id_len);
190 #ifndef OPENSSL_NO_DH
191 static DH *load_dh_param(const char *dhfile);
192 static DH *get_dh512(void);
193 #endif
194
195 #ifdef MONOLITH
196 static void s_server_init(void);
197 #endif
198
199 #ifndef S_ISDIR
200 # if defined(_S_IFMT) && defined(_S_IFDIR)
201 # define S_ISDIR(a) (((a) & _S_IFMT) == _S_IFDIR)
202 # else
203 # define S_ISDIR(a) (((a) & S_IFMT) == S_IFDIR)
204 # endif
205 #endif
206
207 #ifndef OPENSSL_NO_DH
208 static unsigned char dh512_p[]={
209 0xDA,0x58,0x3C,0x16,0xD9,0x85,0x22,0x89,0xD0,0xE4,0xAF,0x75,
210 0x6F,0x4C,0xCA,0x92,0xDD,0x4B,0xE5,0x33,0xB8,0x04,0xFB,0x0F,
211 0xED,0x94,0xEF,0x9C,0x8A,0x44,0x03,0xED,0x57,0x46,0x50,0xD3,
212 0x69,0x99,0xDB,0x29,0xD7,0x76,0x27,0x6B,0xA2,0xD3,0xD4,0x12,
213 0xE2,0x18,0xF4,0xDD,0x1E,0x08,0x4C,0xF6,0xD8,0x00,0x3E,0x7C,
214 0x47,0x74,0xE8,0x33,
215 };
216 static unsigned char dh512_g[]={
217 0x02,
218 };
219
220 static DH *get_dh512(void)
221 {
222 DH *dh=NULL;
223
224 if ((dh=DH_new()) == NULL) return(NULL);
225 dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
226 dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
227 if ((dh->p == NULL) || (dh->g == NULL))
228 return(NULL);
229 return(dh);
230 }
231 #endif
232
233
234 /* static int load_CA(SSL_CTX *ctx, char *file);*/
235
236 #undef BUFSIZZ
237 #define BUFSIZZ 16*1024
238 static int bufsize=BUFSIZZ;
239 static int accept_socket= -1;
240
241 #define TEST_CERT "server.pem"
242 #ifndef OPENSSL_NO_TLSEXT
243 #define TEST_CERT2 "server2.pem"
244 #endif
245 #undef PROG
246 #define PROG s_server_main
247
248 extern int verify_depth;
249
250 static char *cipher=NULL;
251 static int s_server_verify=SSL_VERIFY_NONE;
252 static int s_server_session_id_context = 1; /* anything will do */
253 static const char *s_cert_file=TEST_CERT,*s_key_file=NULL;
254 #ifndef OPENSSL_NO_TLSEXT
255 static const char *s_cert_file2=TEST_CERT2,*s_key_file2=NULL;
256 #endif
257 static char *s_dcert_file=NULL,*s_dkey_file=NULL;
258 #ifdef FIONBIO
259 static int s_nbio=0;
260 #endif
261 static int s_nbio_test=0;
262 int s_crlf=0;
263 static SSL_CTX *ctx=NULL;
264 #ifndef OPENSSL_NO_TLSEXT
265 static SSL_CTX *ctx2=NULL;
266 #endif
267 static int www=0;
268
269 static BIO *bio_s_out=NULL;
270 static int s_debug=0;
271 #ifndef OPENSSL_NO_TLSEXT
272 static int s_tlsextdebug=0;
273 static int s_tlsextstatus=0;
274 static int cert_status_cb(SSL *s, void *arg);
275 #endif
276 static int s_msg=0;
277 static int s_quiet=0;
278
279 static int hack=0;
280 #ifndef OPENSSL_NO_ENGINE
281 static char *engine_id=NULL;
282 #endif
283 static const char *session_id_prefix=NULL;
284
285 static int enable_timeouts = 0;
286 #ifdef mtu
287 #undef mtu
288 #endif
289 static long mtu;
290 static int cert_chain = 0;
291
292
293 #ifdef MONOLITH
294 static void s_server_init(void)
295 {
296 accept_socket=-1;
297 cipher=NULL;
298 s_server_verify=SSL_VERIFY_NONE;
299 s_dcert_file=NULL;
300 s_dkey_file=NULL;
301 s_cert_file=TEST_CERT;
302 s_key_file=NULL;
303 #ifndef OPENSSL_NO_TLSEXT
304 s_cert_file2=TEST_CERT2;
305 s_key_file2=NULL;
306 ctx2=NULL;
307 #endif
308 #ifdef FIONBIO
309 s_nbio=0;
310 #endif
311 s_nbio_test=0;
312 ctx=NULL;
313 www=0;
314
315 bio_s_out=NULL;
316 s_debug=0;
317 s_msg=0;
318 s_quiet=0;
319 hack=0;
320 #ifndef OPENSSL_NO_ENGINE
321 engine_id=NULL;
322 #endif
323 }
324 #endif
325
326 static void sv_usage(void)
327 {
328 BIO_printf(bio_err,"usage: s_server [args ...]\n");
329 BIO_printf(bio_err,"\n");
330 BIO_printf(bio_err," -accept arg - port to accept on (default is %d)\n",PORT);
331 BIO_printf(bio_err," -context arg - set session ID context\n");
332 BIO_printf(bio_err," -verify arg - turn on peer certificate verification\n");
333 BIO_printf(bio_err," -Verify arg - turn on peer certificate verification, must have a cert.\n");
334 BIO_printf(bio_err," -cert arg - certificate file to use\n");
335 BIO_printf(bio_err," (default is %s)\n",TEST_CERT);
336 BIO_printf(bio_err," -crl_check - check the peer certificate has not been revoked by its CA.\n" \
337 " The CRL(s) are appended to the certificate file\n");
338 BIO_printf(bio_err," -crl_check_all - check the peer certificate has not been revoked by its CA\n" \
339 " or any other CRL in the CA chain. CRL(s) are appened to the\n" \
340 " the certificate file.\n");
341 BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
342 BIO_printf(bio_err," -key arg - Private Key file to use, in cert file if\n");
343 BIO_printf(bio_err," not specified (default is %s)\n",TEST_CERT);
344 BIO_printf(bio_err," -keyform arg - key format (PEM, DER or ENGINE) PEM default\n");
345 BIO_printf(bio_err," -pass arg - private key file pass phrase source\n");
346 BIO_printf(bio_err," -dcert arg - second certificate file to use (usually for DSA)\n");
347 BIO_printf(bio_err," -dcertform x - second certificate format (PEM or DER) PEM default\n");
348 BIO_printf(bio_err," -dkey arg - second private key file to use (usually for DSA)\n");
349 BIO_printf(bio_err," -dkeyform arg - second key format (PEM, DER or ENGINE) PEM default\n");
350 BIO_printf(bio_err," -dpass arg - second private key file pass phrase source\n");
351 BIO_printf(bio_err," -dhparam arg - DH parameter file to use, in cert file if not specified\n");
352 BIO_printf(bio_err," or a default set of parameters is used\n");
353 #ifndef OPENSSL_NO_ECDH
354 BIO_printf(bio_err," -named_curve arg - Elliptic curve name to use for ephemeral ECDH keys.\n" \
355 " Use \"openssl ecparam -list_curves\" for all names\n" \
356 " (default is sect163r2).\n");
357 #endif
358 #ifdef FIONBIO
359 BIO_printf(bio_err," -nbio - Run with non-blocking IO\n");
360 #endif
361 BIO_printf(bio_err," -nbio_test - test with the non-blocking test bio\n");
362 BIO_printf(bio_err," -crlf - convert LF from terminal into CRLF\n");
363 BIO_printf(bio_err," -debug - Print more output\n");
364 BIO_printf(bio_err," -msg - Show protocol messages\n");
365 BIO_printf(bio_err," -state - Print the SSL states\n");
366 BIO_printf(bio_err," -CApath arg - PEM format directory of CA's\n");
367 BIO_printf(bio_err," -CAfile arg - PEM format file of CA's\n");
368 BIO_printf(bio_err," -nocert - Don't use any certificates (Anon-DH)\n");
369 BIO_printf(bio_err," -cipher arg - play with 'openssl ciphers' to see what goes here\n");
370 BIO_printf(bio_err," -serverpref - Use server's cipher preferences\n");
371 BIO_printf(bio_err," -quiet - No server output\n");
372 BIO_printf(bio_err," -no_tmp_rsa - Do not generate a tmp RSA key\n");
373 BIO_printf(bio_err," -ssl2 - Just talk SSLv2\n");
374 BIO_printf(bio_err," -ssl3 - Just talk SSLv3\n");
375 BIO_printf(bio_err," -tls1 - Just talk TLSv1\n");
376 BIO_printf(bio_err," -dtls1 - Just talk DTLSv1\n");
377 BIO_printf(bio_err," -timeout - Enable timeouts\n");
378 BIO_printf(bio_err," -mtu - Set MTU\n");
379 BIO_printf(bio_err," -chain - Read a certificate chain\n");
380 BIO_printf(bio_err," -no_ssl2 - Just disable SSLv2\n");
381 BIO_printf(bio_err," -no_ssl3 - Just disable SSLv3\n");
382 BIO_printf(bio_err," -no_tls1 - Just disable TLSv1\n");
383 #ifndef OPENSSL_NO_DH
384 BIO_printf(bio_err," -no_dhe - Disable ephemeral DH\n");
385 #endif
386 #ifndef OPENSSL_NO_ECDH
387 BIO_printf(bio_err," -no_ecdhe - Disable ephemeral ECDH\n");
388 #endif
389 BIO_printf(bio_err," -bugs - Turn on SSL bug compatibility\n");
390 BIO_printf(bio_err," -www - Respond to a 'GET /' with a status page\n");
391 BIO_printf(bio_err," -WWW - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
392 BIO_printf(bio_err," -HTTP - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
393 BIO_printf(bio_err," with the assumption it contains a complete HTTP response.\n");
394 #ifndef OPENSSL_NO_ENGINE
395 BIO_printf(bio_err," -engine id - Initialise and use the specified engine\n");
396 #endif
397 BIO_printf(bio_err," -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n");
398 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
399 #ifndef OPENSSL_NO_TLSEXT
400 BIO_printf(bio_err," -servername host - servername for HostName TLS extension\n");
401 BIO_printf(bio_err," -servername_fatal - on mismatch send fatal alert (default warning alert)\n");
402 BIO_printf(bio_err," -cert2 arg - certificate file to use for servername\n");
403 BIO_printf(bio_err," (default is %s)\n",TEST_CERT2);
404 BIO_printf(bio_err," -key2 arg - Private Key file to use for servername, in cert file if\n");
405 BIO_printf(bio_err," not specified (default is %s)\n",TEST_CERT2);
406 BIO_printf(bio_err," -tlsextdebug - hex dump of all TLS extensions received\n");
407 BIO_printf(bio_err," -no_ticket - disable use of RFC4507bis session tickets\n");
408 #endif
409 }
410
411 static int local_argc=0;
412 static char **local_argv;
413
414 #ifdef CHARSET_EBCDIC
415 static int ebcdic_new(BIO *bi);
416 static int ebcdic_free(BIO *a);
417 static int ebcdic_read(BIO *b, char *out, int outl);
418 static int ebcdic_write(BIO *b, const char *in, int inl);
419 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
420 static int ebcdic_gets(BIO *bp, char *buf, int size);
421 static int ebcdic_puts(BIO *bp, const char *str);
422
423 #define BIO_TYPE_EBCDIC_FILTER (18|0x0200)
424 static BIO_METHOD methods_ebcdic=
425 {
426 BIO_TYPE_EBCDIC_FILTER,
427 "EBCDIC/ASCII filter",
428 ebcdic_write,
429 ebcdic_read,
430 ebcdic_puts,
431 ebcdic_gets,
432 ebcdic_ctrl,
433 ebcdic_new,
434 ebcdic_free,
435 };
436
437 typedef struct
438 {
439 size_t alloced;
440 char buff[1];
441 } EBCDIC_OUTBUFF;
442
443 BIO_METHOD *BIO_f_ebcdic_filter()
444 {
445 return(&methods_ebcdic);
446 }
447
448 static int ebcdic_new(BIO *bi)
449 {
450 EBCDIC_OUTBUFF *wbuf;
451
452 wbuf = (EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024);
453 wbuf->alloced = 1024;
454 wbuf->buff[0] = '\0';
455
456 bi->ptr=(char *)wbuf;
457 bi->init=1;
458 bi->flags=0;
459 return(1);
460 }
461
462 static int ebcdic_free(BIO *a)
463 {
464 if (a == NULL) return(0);
465 if (a->ptr != NULL)
466 OPENSSL_free(a->ptr);
467 a->ptr=NULL;
468 a->init=0;
469 a->flags=0;
470 return(1);
471 }
472
473 static int ebcdic_read(BIO *b, char *out, int outl)
474 {
475 int ret=0;
476
477 if (out == NULL || outl == 0) return(0);
478 if (b->next_bio == NULL) return(0);
479
480 ret=BIO_read(b->next_bio,out,outl);
481 if (ret > 0)
482 ascii2ebcdic(out,out,ret);
483 return(ret);
484 }
485
486 static int ebcdic_write(BIO *b, const char *in, int inl)
487 {
488 EBCDIC_OUTBUFF *wbuf;
489 int ret=0;
490 int num;
491 unsigned char n;
492
493 if ((in == NULL) || (inl <= 0)) return(0);
494 if (b->next_bio == NULL) return(0);
495
496 wbuf=(EBCDIC_OUTBUFF *)b->ptr;
497
498 if (inl > (num = wbuf->alloced))
499 {
500 num = num + num; /* double the size */
501 if (num < inl)
502 num = inl;
503 OPENSSL_free(wbuf);
504 wbuf=(EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num);
505
506 wbuf->alloced = num;
507 wbuf->buff[0] = '\0';
508
509 b->ptr=(char *)wbuf;
510 }
511
512 ebcdic2ascii(wbuf->buff, in, inl);
513
514 ret=BIO_write(b->next_bio, wbuf->buff, inl);
515
516 return(ret);
517 }
518
519 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
520 {
521 long ret;
522
523 if (b->next_bio == NULL) return(0);
524 switch (cmd)
525 {
526 case BIO_CTRL_DUP:
527 ret=0L;
528 break;
529 default:
530 ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
531 break;
532 }
533 return(ret);
534 }
535
536 static int ebcdic_gets(BIO *bp, char *buf, int size)
537 {
538 int i, ret=0;
539 if (bp->next_bio == NULL) return(0);
540 /* return(BIO_gets(bp->next_bio,buf,size));*/
541 for (i=0; i<size-1; ++i)
542 {
543 ret = ebcdic_read(bp,&buf[i],1);
544 if (ret <= 0)
545 break;
546 else if (buf[i] == '\n')
547 {
548 ++i;
549 break;
550 }
551 }
552 if (i < size)
553 buf[i] = '\0';
554 return (ret < 0 && i == 0) ? ret : i;
555 }
556
557 static int ebcdic_puts(BIO *bp, const char *str)
558 {
559 if (bp->next_bio == NULL) return(0);
560 return ebcdic_write(bp, str, strlen(str));
561 }
562 #endif
563
564 #ifndef OPENSSL_NO_TLSEXT
565
566 /* This is a context that we pass to callbacks */
567 typedef struct tlsextctx_st {
568 char * servername;
569 BIO * biodebug;
570 int extension_error;
571 } tlsextctx;
572
573
574 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
575 {
576 tlsextctx * p = (tlsextctx *) arg;
577 const char * servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
578 if (servername && p->biodebug)
579 BIO_printf(p->biodebug,"Hostname in TLS extension: \"%s\"\n",servername);
580
581 if (!p->servername)
582 return SSL_TLSEXT_ERR_NOACK;
583
584 if (servername)
585 {
586 if (strcmp(servername,p->servername))
587 return p->extension_error;
588 if (ctx2)
589 {
590 BIO_printf(p->biodebug,"Swiching server context.\n");
591 SSL_set_SSL_CTX(s,ctx2);
592 }
593 }
594 return SSL_TLSEXT_ERR_OK;
595 }
596
597 /* Structure passed to cert status callback */
598
599 typedef struct tlsextstatusctx_st {
600 /* Default responder to use */
601 char *host, *path, *port;
602 int use_ssl;
603 int timeout;
604 BIO *err;
605 int verbose;
606 } tlsextstatusctx;
607
608 static tlsextstatusctx tlscstatp = {NULL, NULL, NULL, 0, -1, NULL, 0};
609
610 /* Certificate Status callback. This is called when a client includes a
611 * certificate status request extension.
612 *
613 * This is a simplified version. It examines certificates each time and
614 * makes one OCSP responder query for each request.
615 *
616 * A full version would store details such as the OCSP certificate IDs and
617 * minimise the number of OCSP responses by caching them until they were
618 * considered "expired".
619 */
620
621 static int cert_status_cb(SSL *s, void *arg)
622 {
623 tlsextstatusctx *srctx = arg;
624 BIO *err = srctx->err;
625 char *host, *port, *path;
626 int use_ssl;
627 unsigned char *rspder = NULL;
628 int rspderlen;
629 STACK *aia = NULL;
630 X509 *x = NULL;
631 X509_STORE_CTX inctx;
632 X509_OBJECT obj;
633 OCSP_REQUEST *req = NULL;
634 OCSP_RESPONSE *resp = NULL;
635 OCSP_CERTID *id = NULL;
636 STACK_OF(X509_EXTENSION) *exts;
637 int ret = SSL_TLSEXT_ERR_NOACK;
638 int i;
639 #if 0
640 STACK_OF(OCSP_RESPID) *ids;
641 SSL_get_tlsext_status_ids(s, &ids);
642 BIO_printf(err, "cert_status: received %d ids\n", sk_OCSP_RESPID_num(ids));
643 #endif
644 if (srctx->verbose)
645 BIO_puts(err, "cert_status: callback called\n");
646 /* Build up OCSP query from server certificate */
647 x = SSL_get_certificate(s);
648 aia = X509_get1_ocsp(x);
649 if (aia)
650 {
651 if (!OCSP_parse_url(sk_value(aia, 0),
652 &host, &port, &path, &use_ssl))
653 {
654 BIO_puts(err, "cert_status: can't parse AIA URL\n");
655 goto err;
656 }
657 if (srctx->verbose)
658 BIO_printf(err, "cert_status: AIA URL: %s\n",
659 sk_value(aia, 0));
660 }
661 else
662 {
663 if (!srctx->host)
664 {
665 BIO_puts(srctx->err, "cert_status: no AIA and no default responder URL\n");
666 goto done;
667 }
668 host = srctx->host;
669 path = srctx->path;
670 port = srctx->port;
671 use_ssl = srctx->use_ssl;
672 }
673
674 if (!X509_STORE_CTX_init(&inctx,
675 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
676 NULL, NULL))
677 goto err;
678 if (X509_STORE_get_by_subject(&inctx,X509_LU_X509,
679 X509_get_issuer_name(x),&obj) <= 0)
680 {
681 BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n");
682 X509_STORE_CTX_cleanup(&inctx);
683 goto done;
684 }
685 req = OCSP_REQUEST_new();
686 if (!req)
687 goto err;
688 id = OCSP_cert_to_id(NULL, x, obj.data.x509);
689 X509_free(obj.data.x509);
690 X509_STORE_CTX_cleanup(&inctx);
691 if (!id)
692 goto err;
693 if (!OCSP_request_add0_id(req, id))
694 goto err;
695 id = NULL;
696 /* Add any extensions to the request */
697 SSL_get_tlsext_status_exts(s, &exts);
698 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++)
699 {
700 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
701 if (!OCSP_REQUEST_add_ext(req, ext, -1))
702 goto err;
703 }
704 resp = process_responder(err, req, host, path, port, use_ssl,
705 srctx->timeout);
706 if (!resp)
707 {
708 BIO_puts(err, "cert_status: error querying responder\n");
709 goto done;
710 }
711 rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
712 if (rspderlen <= 0)
713 goto err;
714 SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
715 if (srctx->verbose)
716 {
717 BIO_puts(err, "cert_status: ocsp response sent:\n");
718 OCSP_RESPONSE_print(err, resp, 2);
719 }
720 ret = SSL_TLSEXT_ERR_OK;
721 done:
722 if (ret != SSL_TLSEXT_ERR_OK)
723 ERR_print_errors(err);
724 if (aia)
725 {
726 OPENSSL_free(host);
727 OPENSSL_free(path);
728 OPENSSL_free(port);
729 X509_email_free(aia);
730 }
731 if (id)
732 OCSP_CERTID_free(id);
733 if (req)
734 OCSP_REQUEST_free(req);
735 if (resp)
736 OCSP_RESPONSE_free(resp);
737 return ret;
738 err:
739 ret = SSL_TLSEXT_ERR_ALERT_FATAL;
740 goto done;
741 }
742 #endif
743 int MAIN(int, char **);
744
745 #ifndef OPENSSL_NO_JPAKE
746 static char *jpake_secret = NULL;
747 #endif
748
749 int MAIN(int argc, char *argv[])
750 {
751 X509_STORE *store = NULL;
752 int vflags = 0;
753 short port=PORT;
754 char *CApath=NULL,*CAfile=NULL;
755 unsigned char *context = NULL;
756 char *dhfile = NULL;
757 #ifndef OPENSSL_NO_ECDH
758 char *named_curve = NULL;
759 #endif
760 int badop=0,bugs=0;
761 int ret=1;
762 int off=0;
763 int no_tmp_rsa=0,no_dhe=0,no_ecdhe=0,nocert=0;
764 int state=0;
765 SSL_METHOD *meth=NULL;
766 int socket_type=SOCK_STREAM;
767 ENGINE *e=NULL;
768 char *inrand=NULL;
769 int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
770 char *passarg = NULL, *pass = NULL;
771 char *dpassarg = NULL, *dpass = NULL;
772 int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
773 X509 *s_cert = NULL, *s_dcert = NULL;
774 EVP_PKEY *s_key = NULL, *s_dkey = NULL;
775 #ifndef OPENSSL_NO_TLSEXT
776 EVP_PKEY *s_key2 = NULL;
777 X509 *s_cert2 = NULL;
778 #endif
779 #ifndef OPENSSL_NO_TLSEXT
780 tlsextctx tlsextcbp = {NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING};
781 #endif
782
783 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
784 meth=SSLv23_server_method();
785 #elif !defined(OPENSSL_NO_SSL3)
786 meth=SSLv3_server_method();
787 #elif !defined(OPENSSL_NO_SSL2)
788 meth=SSLv2_server_method();
789 #endif
790
791 local_argc=argc;
792 local_argv=argv;
793
794 apps_startup();
795 #ifdef MONOLITH
796 s_server_init();
797 #endif
798
799 if (bio_err == NULL)
800 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
801
802 if (!load_config(bio_err, NULL))
803 goto end;
804
805 verify_depth=0;
806 #ifdef FIONBIO
807 s_nbio=0;
808 #endif
809 s_nbio_test=0;
810
811 argc--;
812 argv++;
813
814 while (argc >= 1)
815 {
816 if ((strcmp(*argv,"-port") == 0) ||
817 (strcmp(*argv,"-accept") == 0))
818 {
819 if (--argc < 1) goto bad;
820 if (!extract_port(*(++argv),&port))
821 goto bad;
822 }
823 else if (strcmp(*argv,"-verify") == 0)
824 {
825 s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
826 if (--argc < 1) goto bad;
827 verify_depth=atoi(*(++argv));
828 BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
829 }
830 else if (strcmp(*argv,"-Verify") == 0)
831 {
832 s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT|
833 SSL_VERIFY_CLIENT_ONCE;
834 if (--argc < 1) goto bad;
835 verify_depth=atoi(*(++argv));
836 BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth);
837 }
838 else if (strcmp(*argv,"-context") == 0)
839 {
840 if (--argc < 1) goto bad;
841 context= (unsigned char *)*(++argv);
842 }
843 else if (strcmp(*argv,"-cert") == 0)
844 {
845 if (--argc < 1) goto bad;
846 s_cert_file= *(++argv);
847 }
848 else if (strcmp(*argv,"-certform") == 0)
849 {
850 if (--argc < 1) goto bad;
851 s_cert_format = str2fmt(*(++argv));
852 }
853 else if (strcmp(*argv,"-key") == 0)
854 {
855 if (--argc < 1) goto bad;
856 s_key_file= *(++argv);
857 }
858 else if (strcmp(*argv,"-keyform") == 0)
859 {
860 if (--argc < 1) goto bad;
861 s_key_format = str2fmt(*(++argv));
862 }
863 else if (strcmp(*argv,"-pass") == 0)
864 {
865 if (--argc < 1) goto bad;
866 passarg = *(++argv);
867 }
868 else if (strcmp(*argv,"-dhparam") == 0)
869 {
870 if (--argc < 1) goto bad;
871 dhfile = *(++argv);
872 }
873 #ifndef OPENSSL_NO_ECDH
874 else if (strcmp(*argv,"-named_curve") == 0)
875 {
876 if (--argc < 1) goto bad;
877 named_curve = *(++argv);
878 }
879 #endif
880 else if (strcmp(*argv,"-dcertform") == 0)
881 {
882 if (--argc < 1) goto bad;
883 s_dcert_format = str2fmt(*(++argv));
884 }
885 else if (strcmp(*argv,"-dcert") == 0)
886 {
887 if (--argc < 1) goto bad;
888 s_dcert_file= *(++argv);
889 }
890 else if (strcmp(*argv,"-dkeyform") == 0)
891 {
892 if (--argc < 1) goto bad;
893 s_dkey_format = str2fmt(*(++argv));
894 }
895 else if (strcmp(*argv,"-dpass") == 0)
896 {
897 if (--argc < 1) goto bad;
898 dpassarg = *(++argv);
899 }
900 else if (strcmp(*argv,"-dkey") == 0)
901 {
902 if (--argc < 1) goto bad;
903 s_dkey_file= *(++argv);
904 }
905 else if (strcmp(*argv,"-nocert") == 0)
906 {
907 nocert=1;
908 }
909 else if (strcmp(*argv,"-CApath") == 0)
910 {
911 if (--argc < 1) goto bad;
912 CApath= *(++argv);
913 }
914 else if (strcmp(*argv,"-crl_check") == 0)
915 {
916 vflags |= X509_V_FLAG_CRL_CHECK;
917 }
918 else if (strcmp(*argv,"-crl_check_all") == 0)
919 {
920 vflags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;
921 }
922 else if (strcmp(*argv,"-serverpref") == 0)
923 { off|=SSL_OP_CIPHER_SERVER_PREFERENCE; }
924 else if (strcmp(*argv,"-cipher") == 0)
925 {
926 if (--argc < 1) goto bad;
927 cipher= *(++argv);
928 }
929 else if (strcmp(*argv,"-CAfile") == 0)
930 {
931 if (--argc < 1) goto bad;
932 CAfile= *(++argv);
933 }
934 #ifdef FIONBIO
935 else if (strcmp(*argv,"-nbio") == 0)
936 { s_nbio=1; }
937 #endif
938 else if (strcmp(*argv,"-nbio_test") == 0)
939 {
940 #ifdef FIONBIO
941 s_nbio=1;
942 #endif
943 s_nbio_test=1;
944 }
945 else if (strcmp(*argv,"-debug") == 0)
946 { s_debug=1; }
947 #ifndef OPENSSL_NO_TLSEXT
948 else if (strcmp(*argv,"-tlsextdebug") == 0)
949 s_tlsextdebug=1;
950 else if (strcmp(*argv,"-status") == 0)
951 s_tlsextstatus=1;
952 else if (strcmp(*argv,"-status_verbose") == 0)
953 {
954 s_tlsextstatus=1;
955 tlscstatp.verbose = 1;
956 }
957 else if (!strcmp(*argv, "-status_timeout"))
958 {
959 s_tlsextstatus=1;
960 if (--argc < 1) goto bad;
961 tlscstatp.timeout = atoi(*(++argv));
962 }
963 else if (!strcmp(*argv, "-status_url"))
964 {
965 s_tlsextstatus=1;
966 if (--argc < 1) goto bad;
967 if (!OCSP_parse_url(*(++argv),
968 &tlscstatp.host,
969 &tlscstatp.port,
970 &tlscstatp.path,
971 &tlscstatp.use_ssl))
972 {
973 BIO_printf(bio_err, "Error parsing URL\n");
974 goto bad;
975 }
976 }
977 #endif
978 else if (strcmp(*argv,"-msg") == 0)
979 { s_msg=1; }
980 else if (strcmp(*argv,"-hack") == 0)
981 { hack=1; }
982 else if (strcmp(*argv,"-state") == 0)
983 { state=1; }
984 else if (strcmp(*argv,"-crlf") == 0)
985 { s_crlf=1; }
986 else if (strcmp(*argv,"-quiet") == 0)
987 { s_quiet=1; }
988 else if (strcmp(*argv,"-bugs") == 0)
989 { bugs=1; }
990 else if (strcmp(*argv,"-no_tmp_rsa") == 0)
991 { no_tmp_rsa=1; }
992 else if (strcmp(*argv,"-no_dhe") == 0)
993 { no_dhe=1; }
994 else if (strcmp(*argv,"-no_ecdhe") == 0)
995 { no_ecdhe=1; }
996 else if (strcmp(*argv,"-www") == 0)
997 { www=1; }
998 else if (strcmp(*argv,"-WWW") == 0)
999 { www=2; }
1000 else if (strcmp(*argv,"-HTTP") == 0)
1001 { www=3; }
1002 else if (strcmp(*argv,"-no_ssl2") == 0)
1003 { off|=SSL_OP_NO_SSLv2; }
1004 else if (strcmp(*argv,"-no_ssl3") == 0)
1005 { off|=SSL_OP_NO_SSLv3; }
1006 else if (strcmp(*argv,"-no_tls1") == 0)
1007 { off|=SSL_OP_NO_TLSv1; }
1008 #ifndef OPENSSL_NO_TLSEXT
1009 else if (strcmp(*argv,"-no_ticket") == 0)
1010 { off|=SSL_OP_NO_TICKET; }
1011 #endif
1012 #ifndef OPENSSL_NO_SSL2
1013 else if (strcmp(*argv,"-ssl2") == 0)
1014 { meth=SSLv2_server_method(); }
1015 #endif
1016 #ifndef OPENSSL_NO_SSL3
1017 else if (strcmp(*argv,"-ssl3") == 0)
1018 { meth=SSLv3_server_method(); }
1019 #endif
1020 #ifndef OPENSSL_NO_TLS1
1021 else if (strcmp(*argv,"-tls1") == 0)
1022 { meth=TLSv1_server_method(); }
1023 #endif
1024 #ifndef OPENSSL_NO_DTLS1
1025 else if (strcmp(*argv,"-dtls1") == 0)
1026 {
1027 meth=DTLSv1_server_method();
1028 socket_type = SOCK_DGRAM;
1029 }
1030 else if (strcmp(*argv,"-timeout") == 0)
1031 enable_timeouts = 1;
1032 else if (strcmp(*argv,"-mtu") == 0)
1033 {
1034 if (--argc < 1) goto bad;
1035 mtu = atol(*(++argv));
1036 }
1037 else if (strcmp(*argv, "-chain") == 0)
1038 cert_chain = 1;
1039 #endif
1040 else if (strcmp(*argv, "-id_prefix") == 0)
1041 {
1042 if (--argc < 1) goto bad;
1043 session_id_prefix = *(++argv);
1044 }
1045 #ifndef OPENSSL_NO_ENGINE
1046 else if (strcmp(*argv,"-engine") == 0)
1047 {
1048 if (--argc < 1) goto bad;
1049 engine_id= *(++argv);
1050 }
1051 #endif
1052 else if (strcmp(*argv,"-rand") == 0)
1053 {
1054 if (--argc < 1) goto bad;
1055 inrand= *(++argv);
1056 }
1057 #ifndef OPENSSL_NO_TLSEXT
1058 else if (strcmp(*argv,"-servername") == 0)
1059 {
1060 if (--argc < 1) goto bad;
1061 tlsextcbp.servername= *(++argv);
1062 }
1063 else if (strcmp(*argv,"-servername_fatal") == 0)
1064 { tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL; }
1065 else if (strcmp(*argv,"-cert2") == 0)
1066 {
1067 if (--argc < 1) goto bad;
1068 s_cert_file2= *(++argv);
1069 }
1070 else if (strcmp(*argv,"-key2") == 0)
1071 {
1072 if (--argc < 1) goto bad;
1073 s_key_file2= *(++argv);
1074 }
1075
1076 #endif
1077 #ifndef OPENSSL_NO_JPAKE
1078 else if (strcmp(*argv,"-jpake") == 0)
1079 {
1080 if (--argc < 1) goto bad;
1081 jpake_secret = *(++argv);
1082 }
1083 #endif
1084 else
1085 {
1086 BIO_printf(bio_err,"unknown option %s\n",*argv);
1087 badop=1;
1088 break;
1089 }
1090 argc--;
1091 argv++;
1092 }
1093 if (badop)
1094 {
1095 bad:
1096 sv_usage();
1097 goto end;
1098 }
1099
1100 SSL_load_error_strings();
1101 OpenSSL_add_ssl_algorithms();
1102
1103 #ifndef OPENSSL_NO_ENGINE
1104 e = setup_engine(bio_err, engine_id, 1);
1105 #endif
1106
1107 if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass))
1108 {
1109 BIO_printf(bio_err, "Error getting password\n");
1110 goto end;
1111 }
1112
1113
1114 if (s_key_file == NULL)
1115 s_key_file = s_cert_file;
1116 #ifndef OPENSSL_NO_TLSEXT
1117 if (s_key_file2 == NULL)
1118 s_key_file2 = s_cert_file2;
1119 #endif
1120
1121 if (nocert == 0)
1122 {
1123 s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e,
1124 "server certificate private key file");
1125 if (!s_key)
1126 {
1127 ERR_print_errors(bio_err);
1128 goto end;
1129 }
1130
1131 s_cert = load_cert(bio_err,s_cert_file,s_cert_format,
1132 NULL, e, "server certificate file");
1133
1134 if (!s_cert)
1135 {
1136 ERR_print_errors(bio_err);
1137 goto end;
1138 }
1139
1140 #ifndef OPENSSL_NO_TLSEXT
1141 if (tlsextcbp.servername)
1142 {
1143 s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e,
1144 "second server certificate private key file");
1145 if (!s_key2)
1146 {
1147 ERR_print_errors(bio_err);
1148 goto end;
1149 }
1150
1151 s_cert2 = load_cert(bio_err,s_cert_file2,s_cert_format,
1152 NULL, e, "second server certificate file");
1153
1154 if (!s_cert2)
1155 {
1156 ERR_print_errors(bio_err);
1157 goto end;
1158 }
1159 }
1160 #endif
1161 }
1162 if (s_dcert_file)
1163 {
1164
1165 if (s_dkey_file == NULL)
1166 s_dkey_file = s_dcert_file;
1167
1168 s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format,
1169 0, dpass, e,
1170 "second certificate private key file");
1171 if (!s_dkey)
1172 {
1173 ERR_print_errors(bio_err);
1174 goto end;
1175 }
1176
1177 s_dcert = load_cert(bio_err,s_dcert_file,s_dcert_format,
1178 NULL, e, "second server certificate file");
1179
1180 if (!s_dcert)
1181 {
1182 ERR_print_errors(bio_err);
1183 goto end;
1184 }
1185
1186 }
1187
1188 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1189 && !RAND_status())
1190 {
1191 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
1192 }
1193 if (inrand != NULL)
1194 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
1195 app_RAND_load_files(inrand));
1196
1197 if (bio_s_out == NULL)
1198 {
1199 if (s_quiet && !s_debug && !s_msg)
1200 {
1201 bio_s_out=BIO_new(BIO_s_null());
1202 }
1203 else
1204 {
1205 if (bio_s_out == NULL)
1206 bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE);
1207 }
1208 }
1209
1210 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA)
1211 if (nocert)
1212 #endif
1213 {
1214 s_cert_file=NULL;
1215 s_key_file=NULL;
1216 s_dcert_file=NULL;
1217 s_dkey_file=NULL;
1218 #ifndef OPENSSL_NO_TLSEXT
1219 s_cert_file2=NULL;
1220 s_key_file2=NULL;
1221 #endif
1222 }
1223
1224 ctx=SSL_CTX_new(meth);
1225 if (ctx == NULL)
1226 {
1227 ERR_print_errors(bio_err);
1228 goto end;
1229 }
1230 if (session_id_prefix)
1231 {
1232 if(strlen(session_id_prefix) >= 32)
1233 BIO_printf(bio_err,
1234 "warning: id_prefix is too long, only one new session will be possible\n");
1235 else if(strlen(session_id_prefix) >= 16)
1236 BIO_printf(bio_err,
1237 "warning: id_prefix is too long if you use SSLv2\n");
1238 if(!SSL_CTX_set_generate_session_id(ctx, generate_session_id))
1239 {
1240 BIO_printf(bio_err,"error setting 'id_prefix'\n");
1241 ERR_print_errors(bio_err);
1242 goto end;
1243 }
1244 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1245 }
1246 SSL_CTX_set_quiet_shutdown(ctx,1);
1247 if (bugs) SSL_CTX_set_options(ctx,SSL_OP_ALL);
1248 if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1249 SSL_CTX_set_options(ctx,off);
1250 /* DTLS: partial reads end up discarding unread UDP bytes :-(
1251 * Setting read ahead solves this problem.
1252 */
1253 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1254
1255 if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1256
1257 SSL_CTX_sess_set_cache_size(ctx,128);
1258
1259 #if 0
1260 if (cipher == NULL) cipher=getenv("SSL_CIPHER");
1261 #endif
1262
1263 #if 0
1264 if (s_cert_file == NULL)
1265 {
1266 BIO_printf(bio_err,"You must specify a certificate file for the server to use\n");
1267 goto end;
1268 }
1269 #endif
1270
1271 if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
1272 (!SSL_CTX_set_default_verify_paths(ctx)))
1273 {
1274 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
1275 ERR_print_errors(bio_err);
1276 /* goto end; */
1277 }
1278 store = SSL_CTX_get_cert_store(ctx);
1279 X509_STORE_set_flags(store, vflags);
1280 #ifndef OPENSSL_NO_TLSEXT
1281 if (s_cert2)
1282 {
1283 ctx2=SSL_CTX_new(meth);
1284 if (ctx2 == NULL)
1285 {
1286 ERR_print_errors(bio_err);
1287 goto end;
1288 }
1289 }
1290
1291 if (ctx2)
1292 {
1293 BIO_printf(bio_s_out,"Setting secondary ctx parameters\n");
1294
1295 if (session_id_prefix)
1296 {
1297 if(strlen(session_id_prefix) >= 32)
1298 BIO_printf(bio_err,
1299 "warning: id_prefix is too long, only one new session will be possible\n");
1300 else if(strlen(session_id_prefix) >= 16)
1301 BIO_printf(bio_err,
1302 "warning: id_prefix is too long if you use SSLv2\n");
1303 if(!SSL_CTX_set_generate_session_id(ctx2, generate_session_id))
1304 {
1305 BIO_printf(bio_err,"error setting 'id_prefix'\n");
1306 ERR_print_errors(bio_err);
1307 goto end;
1308 }
1309 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1310 }
1311 SSL_CTX_set_quiet_shutdown(ctx2,1);
1312 if (bugs) SSL_CTX_set_options(ctx2,SSL_OP_ALL);
1313 if (hack) SSL_CTX_set_options(ctx2,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1314 SSL_CTX_set_options(ctx2,off);
1315
1316 /* DTLS: partial reads end up discarding unread UDP bytes :-(
1317 * Setting read ahead solves this problem.
1318 */
1319 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx2, 1);
1320
1321
1322 if (state) SSL_CTX_set_info_callback(ctx2,apps_ssl_info_callback);
1323
1324 SSL_CTX_sess_set_cache_size(ctx2,128);
1325
1326 if ((!SSL_CTX_load_verify_locations(ctx2,CAfile,CApath)) ||
1327 (!SSL_CTX_set_default_verify_paths(ctx2)))
1328 {
1329 ERR_print_errors(bio_err);
1330 }
1331 store = SSL_CTX_get_cert_store(ctx2);
1332 X509_STORE_set_flags(store, vflags);
1333 }
1334 #endif
1335
1336
1337 #ifndef OPENSSL_NO_DH
1338 if (!no_dhe)
1339 {
1340 DH *dh=NULL;
1341
1342 if (dhfile)
1343 dh = load_dh_param(dhfile);
1344 else if (s_cert_file)
1345 dh = load_dh_param(s_cert_file);
1346
1347 if (dh != NULL)
1348 {
1349 BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1350 }
1351 else
1352 {
1353 BIO_printf(bio_s_out,"Using default temp DH parameters\n");
1354 dh=get_dh512();
1355 }
1356 (void)BIO_flush(bio_s_out);
1357
1358 SSL_CTX_set_tmp_dh(ctx,dh);
1359 #ifndef OPENSSL_NO_TLSEXT
1360 if (ctx2)
1361 {
1362 if (!dhfile)
1363 {
1364 DH *dh2=load_dh_param(s_cert_file2);
1365 if (dh2 != NULL)
1366 {
1367 BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1368 (void)BIO_flush(bio_s_out);
1369
1370 DH_free(dh);
1371 dh = dh2;
1372 }
1373 }
1374 SSL_CTX_set_tmp_dh(ctx2,dh);
1375 }
1376 #endif
1377 DH_free(dh);
1378 }
1379 #endif
1380
1381 #ifndef OPENSSL_NO_ECDH
1382 if (!no_ecdhe)
1383 {
1384 EC_KEY *ecdh=NULL;
1385
1386 if (named_curve)
1387 {
1388 int nid = OBJ_sn2nid(named_curve);
1389
1390 if (nid == 0)
1391 {
1392 BIO_printf(bio_err, "unknown curve name (%s)\n",
1393 named_curve);
1394 goto end;
1395 }
1396 ecdh = EC_KEY_new_by_curve_name(nid);
1397 if (ecdh == NULL)
1398 {
1399 BIO_printf(bio_err, "unable to create curve (%s)\n",
1400 named_curve);
1401 goto end;
1402 }
1403 }
1404
1405 if (ecdh != NULL)
1406 {
1407 BIO_printf(bio_s_out,"Setting temp ECDH parameters\n");
1408 }
1409 else
1410 {
1411 BIO_printf(bio_s_out,"Using default temp ECDH parameters\n");
1412 ecdh = EC_KEY_new_by_curve_name(NID_sect163r2);
1413 if (ecdh == NULL)
1414 {
1415 BIO_printf(bio_err, "unable to create curve (sect163r2)\n");
1416 goto end;
1417 }
1418 }
1419 (void)BIO_flush(bio_s_out);
1420
1421 SSL_CTX_set_tmp_ecdh(ctx,ecdh);
1422 #ifndef OPENSSL_NO_TLSEXT
1423 if (ctx2)
1424 SSL_CTX_set_tmp_ecdh(ctx2,ecdh);
1425 #endif
1426 EC_KEY_free(ecdh);
1427 }
1428 #endif
1429
1430 if (!set_cert_key_stuff(ctx,s_cert,s_key))
1431 goto end;
1432 #ifndef OPENSSL_NO_TLSEXT
1433 if (ctx2 && !set_cert_key_stuff(ctx2,s_cert2,s_key2))
1434 goto end;
1435 #endif
1436 if (s_dcert != NULL)
1437 {
1438 if (!set_cert_key_stuff(ctx,s_dcert,s_dkey))
1439 goto end;
1440 }
1441
1442 #ifndef OPENSSL_NO_RSA
1443 #if 1
1444 if (!no_tmp_rsa)
1445 {
1446 SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
1447 #ifndef OPENSSL_NO_TLSEXT
1448 if (ctx2)
1449 SSL_CTX_set_tmp_rsa_callback(ctx2,tmp_rsa_cb);
1450 #endif
1451 }
1452 #else
1453 if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx))
1454 {
1455 RSA *rsa;
1456
1457 BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key...");
1458 BIO_flush(bio_s_out);
1459
1460 rsa=RSA_generate_key(512,RSA_F4,NULL);
1461
1462 if (!SSL_CTX_set_tmp_rsa(ctx,rsa))
1463 {
1464 ERR_print_errors(bio_err);
1465 goto end;
1466 }
1467 #ifndef OPENSSL_NO_TLSEXT
1468 if (ctx2)
1469 {
1470 if (!SSL_CTX_set_tmp_rsa(ctx2,rsa))
1471 {
1472 ERR_print_errors(bio_err);
1473 goto end;
1474 }
1475 }
1476 #endif
1477 RSA_free(rsa);
1478 BIO_printf(bio_s_out,"\n");
1479 }
1480 #endif
1481 #endif
1482
1483 if (cipher != NULL)
1484 if(!SSL_CTX_set_cipher_list(ctx,cipher)) {
1485 BIO_printf(bio_err,"error setting cipher list\n");
1486 ERR_print_errors(bio_err);
1487 goto end;
1488 #ifndef OPENSSL_NO_TLSEXT
1489 if (ctx2 && !SSL_CTX_set_cipher_list(ctx2,cipher))
1490 {
1491 BIO_printf(bio_err,"error setting cipher list\n");
1492 ERR_print_errors(bio_err);
1493 goto end;
1494 }
1495 #endif
1496 }
1497 SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
1498 SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
1499 sizeof s_server_session_id_context);
1500
1501 #ifndef OPENSSL_NO_TLSEXT
1502 if (ctx2)
1503 {
1504 SSL_CTX_set_verify(ctx2,s_server_verify,verify_callback);
1505 SSL_CTX_set_session_id_context(ctx2,(void*)&s_server_session_id_context,
1506 sizeof s_server_session_id_context);
1507
1508 tlsextcbp.biodebug = bio_s_out;
1509 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
1510 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
1511 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1512 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1513 }
1514 #endif
1515 if (CAfile != NULL)
1516 {
1517 SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
1518 #ifndef OPENSSL_NO_TLSEXT
1519 if (ctx2)
1520 SSL_CTX_set_client_CA_list(ctx2,SSL_load_client_CA_file(CAfile));
1521 #endif
1522 }
1523 BIO_printf(bio_s_out,"ACCEPT\n");
1524 if (www)
1525 do_server(port,socket_type,&accept_socket,www_body, context);
1526 else
1527 do_server(port,socket_type,&accept_socket,sv_body, context);
1528 print_stats(bio_s_out,ctx);
1529 ret=0;
1530 end:
1531 if (ctx != NULL) SSL_CTX_free(ctx);
1532 if (s_cert)
1533 X509_free(s_cert);
1534 if (s_dcert)
1535 X509_free(s_dcert);
1536 if (s_key)
1537 EVP_PKEY_free(s_key);
1538 if (s_dkey)
1539 EVP_PKEY_free(s_dkey);
1540 if (pass)
1541 OPENSSL_free(pass);
1542 if (dpass)
1543 OPENSSL_free(dpass);
1544 #ifndef OPENSSL_NO_TLSEXT
1545 if (ctx2 != NULL) SSL_CTX_free(ctx2);
1546 if (s_cert2)
1547 X509_free(s_cert2);
1548 if (s_key2)
1549 EVP_PKEY_free(s_key2);
1550 #endif
1551 if (bio_s_out != NULL)
1552 {
1553 BIO_free(bio_s_out);
1554 bio_s_out=NULL;
1555 }
1556 apps_shutdown();
1557 OPENSSL_EXIT(ret);
1558 }
1559
1560 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
1561 {
1562 BIO_printf(bio,"%4ld items in the session cache\n",
1563 SSL_CTX_sess_number(ssl_ctx));
1564 BIO_printf(bio,"%4ld client connects (SSL_connect())\n",
1565 SSL_CTX_sess_connect(ssl_ctx));
1566 BIO_printf(bio,"%4ld client renegotiates (SSL_connect())\n",
1567 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
1568 BIO_printf(bio,"%4ld client connects that finished\n",
1569 SSL_CTX_sess_connect_good(ssl_ctx));
1570 BIO_printf(bio,"%4ld server accepts (SSL_accept())\n",
1571 SSL_CTX_sess_accept(ssl_ctx));
1572 BIO_printf(bio,"%4ld server renegotiates (SSL_accept())\n",
1573 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
1574 BIO_printf(bio,"%4ld server accepts that finished\n",
1575 SSL_CTX_sess_accept_good(ssl_ctx));
1576 BIO_printf(bio,"%4ld session cache hits\n",SSL_CTX_sess_hits(ssl_ctx));
1577 BIO_printf(bio,"%4ld session cache misses\n",SSL_CTX_sess_misses(ssl_ctx));
1578 BIO_printf(bio,"%4ld session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx));
1579 BIO_printf(bio,"%4ld callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx));
1580 BIO_printf(bio,"%4ld cache full overflows (%ld allowed)\n",
1581 SSL_CTX_sess_cache_full(ssl_ctx),
1582 SSL_CTX_sess_get_cache_size(ssl_ctx));
1583 }
1584
1585 static int sv_body(char *hostname, int s, unsigned char *context)
1586 {
1587 char *buf=NULL;
1588 fd_set readfds;
1589 int ret=1,width;
1590 int k,i;
1591 unsigned long l;
1592 SSL *con=NULL;
1593 BIO *sbio;
1594 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
1595 struct timeval tv;
1596 #endif
1597
1598 if ((buf=OPENSSL_malloc(bufsize)) == NULL)
1599 {
1600 BIO_printf(bio_err,"out of memory\n");
1601 goto err;
1602 }
1603 #ifdef FIONBIO
1604 if (s_nbio)
1605 {
1606 unsigned long sl=1;
1607
1608 if (!s_quiet)
1609 BIO_printf(bio_err,"turning on non blocking io\n");
1610 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
1611 ERR_print_errors(bio_err);
1612 }
1613 #endif
1614
1615 if (con == NULL) {
1616 con=SSL_new(ctx);
1617 #ifndef OPENSSL_NO_TLSEXT
1618 if (s_tlsextdebug)
1619 {
1620 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1621 SSL_set_tlsext_debug_arg(con, bio_s_out);
1622 }
1623 if (s_tlsextstatus)
1624 {
1625 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
1626 tlscstatp.err = bio_err;
1627 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
1628 }
1629 #endif
1630 #ifndef OPENSSL_NO_KRB5
1631 if ((con->kssl_ctx = kssl_ctx_new()) != NULL)
1632 {
1633 kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVICE,
1634 KRB5SVC);
1635 kssl_ctx_setstring(con->kssl_ctx, KSSL_KEYTAB,
1636 KRB5KEYTAB);
1637 }
1638 #endif /* OPENSSL_NO_KRB5 */
1639 if(context)
1640 SSL_set_session_id_context(con, context,
1641 strlen((char *)context));
1642 }
1643 SSL_clear(con);
1644
1645 if (SSL_version(con) == DTLS1_VERSION)
1646 {
1647 struct timeval timeout;
1648
1649 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
1650
1651 if ( enable_timeouts)
1652 {
1653 timeout.tv_sec = 0;
1654 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1655 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1656
1657 timeout.tv_sec = 0;
1658 timeout.tv_usec = DGRAM_SND_TIMEOUT;
1659 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1660 }
1661
1662
1663 if ( mtu > 0)
1664 {
1665 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1666 SSL_set_mtu(con, mtu);
1667 }
1668 else
1669 /* want to do MTU discovery */
1670 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1671
1672 /* turn on cookie exchange */
1673 SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
1674 }
1675 else
1676 sbio=BIO_new_socket(s,BIO_NOCLOSE);
1677
1678 if (s_nbio_test)
1679 {
1680 BIO *test;
1681
1682 test=BIO_new(BIO_f_nbio_test());
1683 sbio=BIO_push(test,sbio);
1684 }
1685 #ifndef OPENSSL_NO_JPAKE
1686 if(jpake_secret)
1687 jpake_server_auth(bio_s_out, sbio, jpake_secret);
1688 #endif
1689
1690 SSL_set_bio(con,sbio,sbio);
1691 SSL_set_accept_state(con);
1692 /* SSL_set_fd(con,s); */
1693
1694 if (s_debug)
1695 {
1696 con->debug=1;
1697 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
1698 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
1699 }
1700 if (s_msg)
1701 {
1702 SSL_set_msg_callback(con, msg_cb);
1703 SSL_set_msg_callback_arg(con, bio_s_out);
1704 }
1705 #ifndef OPENSSL_NO_TLSEXT
1706 if (s_tlsextdebug)
1707 {
1708 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1709 SSL_set_tlsext_debug_arg(con, bio_s_out);
1710 }
1711 #endif
1712
1713 width=s+1;
1714 for (;;)
1715 {
1716 int read_from_terminal;
1717 int read_from_sslcon;
1718
1719 read_from_terminal = 0;
1720 read_from_sslcon = SSL_pending(con);
1721
1722 if (!read_from_sslcon)
1723 {
1724 FD_ZERO(&readfds);
1725 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE)
1726 FD_SET(fileno(stdin),&readfds);
1727 #endif
1728 FD_SET(s,&readfds);
1729 /* Note: under VMS with SOCKETSHR the second parameter is
1730 * currently of type (int *) whereas under other systems
1731 * it is (void *) if you don't have a cast it will choke
1732 * the compiler: if you do have a cast then you can either
1733 * go for (int *) or (void *).
1734 */
1735 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
1736 /* Under DOS (non-djgpp) and Windows we can't select on stdin: only
1737 * on sockets. As a workaround we timeout the select every
1738 * second and check for any keypress. In a proper Windows
1739 * application we wouldn't do this because it is inefficient.
1740 */
1741 tv.tv_sec = 1;
1742 tv.tv_usec = 0;
1743 i=select(width,(void *)&readfds,NULL,NULL,&tv);
1744 if((i < 0) || (!i && !_kbhit() ) )continue;
1745 if(_kbhit())
1746 read_from_terminal = 1;
1747 #else
1748 i=select(width,(void *)&readfds,NULL,NULL,NULL);
1749 if (i <= 0) continue;
1750 if (FD_ISSET(fileno(stdin),&readfds))
1751 read_from_terminal = 1;
1752 #endif
1753 if (FD_ISSET(s,&readfds))
1754 read_from_sslcon = 1;
1755 }
1756 if (read_from_terminal)
1757 {
1758 if (s_crlf)
1759 {
1760 int j, lf_num;
1761
1762 i=read(fileno(stdin), buf, bufsize/2);
1763 lf_num = 0;
1764 /* both loops are skipped when i <= 0 */
1765 for (j = 0; j < i; j++)
1766 if (buf[j] == '\n')
1767 lf_num++;
1768 for (j = i-1; j >= 0; j--)
1769 {
1770 buf[j+lf_num] = buf[j];
1771 if (buf[j] == '\n')
1772 {
1773 lf_num--;
1774 i++;
1775 buf[j+lf_num] = '\r';
1776 }
1777 }
1778 assert(lf_num == 0);
1779 }
1780 else
1781 i=read(fileno(stdin),buf,bufsize);
1782 if (!s_quiet)
1783 {
1784 if ((i <= 0) || (buf[0] == 'Q'))
1785 {
1786 BIO_printf(bio_s_out,"DONE\n");
1787 SHUTDOWN(s);
1788 close_accept_socket();
1789 ret= -11;
1790 goto err;
1791 }
1792 if ((i <= 0) || (buf[0] == 'q'))
1793 {
1794 BIO_printf(bio_s_out,"DONE\n");
1795 if (SSL_version(con) != DTLS1_VERSION)
1796 SHUTDOWN(s);
1797 /* close_accept_socket();
1798 ret= -11;*/
1799 goto err;
1800 }
1801 if ((buf[0] == 'r') &&
1802 ((buf[1] == '\n') || (buf[1] == '\r')))
1803 {
1804 SSL_renegotiate(con);
1805 i=SSL_do_handshake(con);
1806 printf("SSL_do_handshake -> %d\n",i);
1807 i=0; /*13; */
1808 continue;
1809 /* strcpy(buf,"server side RE-NEGOTIATE\n"); */
1810 }
1811 if ((buf[0] == 'R') &&
1812 ((buf[1] == '\n') || (buf[1] == '\r')))
1813 {
1814 SSL_set_verify(con,
1815 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
1816 SSL_renegotiate(con);
1817 i=SSL_do_handshake(con);
1818 printf("SSL_do_handshake -> %d\n",i);
1819 i=0; /* 13; */
1820 continue;
1821 /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
1822 }
1823 if (buf[0] == 'P')
1824 {
1825 static const char *str="Lets print some clear text\n";
1826 BIO_write(SSL_get_wbio(con),str,strlen(str));
1827 }
1828 if (buf[0] == 'S')
1829 {
1830 print_stats(bio_s_out,SSL_get_SSL_CTX(con));
1831 }
1832 }
1833 #ifdef CHARSET_EBCDIC
1834 ebcdic2ascii(buf,buf,i);
1835 #endif
1836 l=k=0;
1837 for (;;)
1838 {
1839 /* should do a select for the write */
1840 #ifdef RENEG
1841 { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
1842 #endif
1843 k=SSL_write(con,&(buf[l]),(unsigned int)i);
1844 switch (SSL_get_error(con,k))
1845 {
1846 case SSL_ERROR_NONE:
1847 break;
1848 case SSL_ERROR_WANT_WRITE:
1849 case SSL_ERROR_WANT_READ:
1850 case SSL_ERROR_WANT_X509_LOOKUP:
1851 BIO_printf(bio_s_out,"Write BLOCK\n");
1852 break;
1853 case SSL_ERROR_SYSCALL:
1854 case SSL_ERROR_SSL:
1855 BIO_printf(bio_s_out,"ERROR\n");
1856 ERR_print_errors(bio_err);
1857 ret=1;
1858 goto err;
1859 /* break; */
1860 case SSL_ERROR_ZERO_RETURN:
1861 BIO_printf(bio_s_out,"DONE\n");
1862 ret=1;
1863 goto err;
1864 }
1865 l+=k;
1866 i-=k;
1867 if (i <= 0) break;
1868 }
1869 }
1870 if (read_from_sslcon)
1871 {
1872 if (!SSL_is_init_finished(con))
1873 {
1874 i=init_ssl_connection(con);
1875
1876 if (i < 0)
1877 {
1878 ret=0;
1879 goto err;
1880 }
1881 else if (i == 0)
1882 {
1883 ret=1;
1884 goto err;
1885 }
1886 }
1887 else
1888 {
1889 again:
1890 i=SSL_read(con,(char *)buf,bufsize);
1891 switch (SSL_get_error(con,i))
1892 {
1893 case SSL_ERROR_NONE:
1894 #ifdef CHARSET_EBCDIC
1895 ascii2ebcdic(buf,buf,i);
1896 #endif
1897 write(fileno(stdout),buf,
1898 (unsigned int)i);
1899 if (SSL_pending(con)) goto again;
1900 break;
1901 case SSL_ERROR_WANT_WRITE:
1902 case SSL_ERROR_WANT_READ:
1903 case SSL_ERROR_WANT_X509_LOOKUP:
1904 BIO_printf(bio_s_out,"Read BLOCK\n");
1905 break;
1906 case SSL_ERROR_SYSCALL:
1907 case SSL_ERROR_SSL:
1908 BIO_printf(bio_s_out,"ERROR\n");
1909 ERR_print_errors(bio_err);
1910 ret=1;
1911 goto err;
1912 case SSL_ERROR_ZERO_RETURN:
1913 BIO_printf(bio_s_out,"DONE\n");
1914 ret=1;
1915 goto err;
1916 }
1917 }
1918 }
1919 }
1920 err:
1921 BIO_printf(bio_s_out,"shutting down SSL\n");
1922 #if 1
1923 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
1924 #else
1925 SSL_shutdown(con);
1926 #endif
1927 if (con != NULL) SSL_free(con);
1928 BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
1929 if (buf != NULL)
1930 {
1931 OPENSSL_cleanse(buf,bufsize);
1932 OPENSSL_free(buf);
1933 }
1934 if (ret >= 0)
1935 BIO_printf(bio_s_out,"ACCEPT\n");
1936 return(ret);
1937 }
1938
1939 static void close_accept_socket(void)
1940 {
1941 BIO_printf(bio_err,"shutdown accept socket\n");
1942 if (accept_socket >= 0)
1943 {
1944 SHUTDOWN2(accept_socket);
1945 }
1946 }
1947
1948 static int init_ssl_connection(SSL *con)
1949 {
1950 int i;
1951 const char *str;
1952 X509 *peer;
1953 long verify_error;
1954 MS_STATIC char buf[BUFSIZ];
1955
1956 if ((i=SSL_accept(con)) <= 0)
1957 {
1958 if (BIO_sock_should_retry(i))
1959 {
1960 BIO_printf(bio_s_out,"DELAY\n");
1961 return(1);
1962 }
1963
1964 BIO_printf(bio_err,"ERROR\n");
1965 verify_error=SSL_get_verify_result(con);
1966 if (verify_error != X509_V_OK)
1967 {
1968 BIO_printf(bio_err,"verify error:%s\n",
1969 X509_verify_cert_error_string(verify_error));
1970 }
1971 else
1972 ERR_print_errors(bio_err);
1973 return(0);
1974 }
1975
1976 PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con));
1977
1978 peer=SSL_get_peer_certificate(con);
1979 if (peer != NULL)
1980 {
1981 BIO_printf(bio_s_out,"Client certificate\n");
1982 PEM_write_bio_X509(bio_s_out,peer);
1983 X509_NAME_oneline(X509_get_subject_name(peer),buf,sizeof buf);
1984 BIO_printf(bio_s_out,"subject=%s\n",buf);
1985 X509_NAME_oneline(X509_get_issuer_name(peer),buf,sizeof buf);
1986 BIO_printf(bio_s_out,"issuer=%s\n",buf);
1987 X509_free(peer);
1988 }
1989
1990 if (SSL_get_shared_ciphers(con,buf,sizeof buf) != NULL)
1991 BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
1992 str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
1993 BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
1994 if (con->hit) BIO_printf(bio_s_out,"Reused session-id\n");
1995 if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
1996 TLS1_FLAGS_TLS_PADDING_BUG)
1997 BIO_printf(bio_s_out,"Peer has incorrect TLSv1 block padding\n");
1998 #ifndef OPENSSL_NO_KRB5
1999 if (con->kssl_ctx->client_princ != NULL)
2000 {
2001 BIO_printf(bio_s_out,"Kerberos peer principal is %s\n",
2002 con->kssl_ctx->client_princ);
2003 }
2004 #endif /* OPENSSL_NO_KRB5 */
2005 return(1);
2006 }
2007
2008 #ifndef OPENSSL_NO_DH
2009 static DH *load_dh_param(const char *dhfile)
2010 {
2011 DH *ret=NULL;
2012 BIO *bio;
2013
2014 if ((bio=BIO_new_file(dhfile,"r")) == NULL)
2015 goto err;
2016 ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL);
2017 err:
2018 if (bio != NULL) BIO_free(bio);
2019 return(ret);
2020 }
2021 #endif
2022
2023 #if 0
2024 static int load_CA(SSL_CTX *ctx, char *file)
2025 {
2026 FILE *in;
2027 X509 *x=NULL;
2028
2029 if ((in=fopen(file,"r")) == NULL)
2030 return(0);
2031
2032 for (;;)
2033 {
2034 if (PEM_read_X509(in,&x,NULL) == NULL)
2035 break;
2036 SSL_CTX_add_client_CA(ctx,x);
2037 }
2038 if (x != NULL) X509_free(x);
2039 fclose(in);
2040 return(1);
2041 }
2042 #endif
2043
2044 static int www_body(char *hostname, int s, unsigned char *context)
2045 {
2046 char *buf=NULL;
2047 int ret=1;
2048 int i,j,k,blank,dot;
2049 struct stat st_buf;
2050 SSL *con;
2051 SSL_CIPHER *c;
2052 BIO *io,*ssl_bio,*sbio;
2053 long total_bytes;
2054
2055 buf=OPENSSL_malloc(bufsize);
2056 if (buf == NULL) return(0);
2057 io=BIO_new(BIO_f_buffer());
2058 ssl_bio=BIO_new(BIO_f_ssl());
2059 if ((io == NULL) || (ssl_bio == NULL)) goto err;
2060
2061 #ifdef FIONBIO
2062 if (s_nbio)
2063 {
2064 unsigned long sl=1;
2065
2066 if (!s_quiet)
2067 BIO_printf(bio_err,"turning on non blocking io\n");
2068 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2069 ERR_print_errors(bio_err);
2070 }
2071 #endif
2072
2073 /* lets make the output buffer a reasonable size */
2074 if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
2075
2076 if ((con=SSL_new(ctx)) == NULL) goto err;
2077 #ifndef OPENSSL_NO_TLSEXT
2078 if (s_tlsextdebug)
2079 {
2080 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2081 SSL_set_tlsext_debug_arg(con, bio_s_out);
2082 }
2083 #endif
2084 #ifndef OPENSSL_NO_KRB5
2085 if ((con->kssl_ctx = kssl_ctx_new()) != NULL)
2086 {
2087 kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVICE, KRB5SVC);
2088 kssl_ctx_setstring(con->kssl_ctx, KSSL_KEYTAB, KRB5KEYTAB);
2089 }
2090 #endif /* OPENSSL_NO_KRB5 */
2091 if(context) SSL_set_session_id_context(con, context,
2092 strlen((char *)context));
2093
2094 sbio=BIO_new_socket(s,BIO_NOCLOSE);
2095 if (s_nbio_test)
2096 {
2097 BIO *test;
2098
2099 test=BIO_new(BIO_f_nbio_test());
2100 sbio=BIO_push(test,sbio);
2101 }
2102 SSL_set_bio(con,sbio,sbio);
2103 SSL_set_accept_state(con);
2104
2105 /* SSL_set_fd(con,s); */
2106 BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
2107 BIO_push(io,ssl_bio);
2108 #ifdef CHARSET_EBCDIC
2109 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
2110 #endif
2111
2112 if (s_debug)
2113 {
2114 con->debug=1;
2115 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2116 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2117 }
2118 if (s_msg)
2119 {
2120 SSL_set_msg_callback(con, msg_cb);
2121 SSL_set_msg_callback_arg(con, bio_s_out);
2122 }
2123
2124 blank=0;
2125 for (;;)
2126 {
2127 if (hack)
2128 {
2129 i=SSL_accept(con);
2130
2131 switch (SSL_get_error(con,i))
2132 {
2133 case SSL_ERROR_NONE:
2134 break;
2135 case SSL_ERROR_WANT_WRITE:
2136 case SSL_ERROR_WANT_READ:
2137 case SSL_ERROR_WANT_X509_LOOKUP:
2138 continue;
2139 case SSL_ERROR_SYSCALL:
2140 case SSL_ERROR_SSL:
2141 case SSL_ERROR_ZERO_RETURN:
2142 ret=1;
2143 goto err;
2144 /* break; */
2145 }
2146
2147 SSL_renegotiate(con);
2148 SSL_write(con,NULL,0);
2149 }
2150
2151 i=BIO_gets(io,buf,bufsize-1);
2152 if (i < 0) /* error */
2153 {
2154 if (!BIO_should_retry(io))
2155 {
2156 if (!s_quiet)
2157 ERR_print_errors(bio_err);
2158 goto err;
2159 }
2160 else
2161 {
2162 BIO_printf(bio_s_out,"read R BLOCK\n");
2163 #if defined(OPENSSL_SYS_NETWARE)
2164 delay(1000);
2165 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__)
2166 sleep(1);
2167 #endif
2168 continue;
2169 }
2170 }
2171 else if (i == 0) /* end of input */
2172 {
2173 ret=1;
2174 goto end;
2175 }
2176
2177 /* else we have data */
2178 if ( ((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
2179 ((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
2180 {
2181 char *p;
2182 X509 *peer;
2183 STACK_OF(SSL_CIPHER) *sk;
2184 static const char *space=" ";
2185
2186 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2187 BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n");
2188 BIO_puts(io,"<pre>\n");
2189 /* BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
2190 BIO_puts(io,"\n");
2191 for (i=0; i<local_argc; i++)
2192 {
2193 BIO_puts(io,local_argv[i]);
2194 BIO_write(io," ",1);
2195 }
2196 BIO_puts(io,"\n");
2197
2198 /* The following is evil and should not really
2199 * be done */
2200 BIO_printf(io,"Ciphers supported in s_server binary\n");
2201 sk=SSL_get_ciphers(con);
2202 j=sk_SSL_CIPHER_num(sk);
2203 for (i=0; i<j; i++)
2204 {
2205 c=sk_SSL_CIPHER_value(sk,i);
2206 BIO_printf(io,"%-11s:%-25s",
2207 SSL_CIPHER_get_version(c),
2208 SSL_CIPHER_get_name(c));
2209 if ((((i+1)%2) == 0) && (i+1 != j))
2210 BIO_puts(io,"\n");
2211 }
2212 BIO_puts(io,"\n");
2213 p=SSL_get_shared_ciphers(con,buf,bufsize);
2214 if (p != NULL)
2215 {
2216 BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
2217 j=i=0;
2218 while (*p)
2219 {
2220 if (*p == ':')
2221 {
2222 BIO_write(io,space,26-j);
2223 i++;
2224 j=0;
2225 BIO_write(io,((i%3)?" ":"\n"),1);
2226 }
2227 else
2228 {
2229 BIO_write(io,p,1);
2230 j++;
2231 }
2232 p++;
2233 }
2234 BIO_puts(io,"\n");
2235 }
2236 BIO_printf(io,((con->hit)
2237 ?"---\nReused, "
2238 :"---\nNew, "));
2239 c=SSL_get_current_cipher(con);
2240 BIO_printf(io,"%s, Cipher is %s\n",
2241 SSL_CIPHER_get_version(c),
2242 SSL_CIPHER_get_name(c));
2243 SSL_SESSION_print(io,SSL_get_session(con));
2244 BIO_printf(io,"---\n");
2245 print_stats(io,SSL_get_SSL_CTX(con));
2246 BIO_printf(io,"---\n");
2247 peer=SSL_get_peer_certificate(con);
2248 if (peer != NULL)
2249 {
2250 BIO_printf(io,"Client certificate\n");
2251 X509_print(io,peer);
2252 PEM_write_bio_X509(io,peer);
2253 }
2254 else
2255 BIO_puts(io,"no client certificate available\n");
2256 BIO_puts(io,"</BODY></HTML>\r\n\r\n");
2257 break;
2258 }
2259 else if ((www == 2 || www == 3)
2260 && (strncmp("GET /",buf,5) == 0))
2261 {
2262 BIO *file;
2263 char *p,*e;
2264 static const char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
2265
2266 /* skip the '/' */
2267 p= &(buf[5]);
2268
2269 dot = 1;
2270 for (e=p; *e != '\0'; e++)
2271 {
2272 if (e[0] == ' ')
2273 break;
2274
2275 switch (dot)
2276 {
2277 case 1:
2278 dot = (e[0] == '.') ? 2 : 0;
2279 break;
2280 case 2:
2281 dot = (e[0] == '.') ? 3 : 0;
2282 break;
2283 case 3:
2284 dot = (e[0] == '/') ? -1 : 0;
2285 break;
2286 }
2287 if (dot == 0)
2288 dot = (e[0] == '/') ? 1 : 0;
2289 }
2290 dot = (dot == 3) || (dot == -1); /* filename contains ".." component */
2291
2292 if (*e == '\0')
2293 {
2294 BIO_puts(io,text);
2295 BIO_printf(io,"'%s' is an invalid file name\r\n",p);
2296 break;
2297 }
2298 *e='\0';
2299
2300 if (dot)
2301 {
2302 BIO_puts(io,text);
2303 BIO_printf(io,"'%s' contains '..' reference\r\n",p);
2304 break;
2305 }
2306
2307 if (*p == '/')
2308 {
2309 BIO_puts(io,text);
2310 BIO_printf(io,"'%s' is an invalid path\r\n",p);
2311 break;
2312 }
2313
2314 #if 0
2315 /* append if a directory lookup */
2316 if (e[-1] == '/')
2317 strcat(p,"index.html");
2318 #endif
2319
2320 /* if a directory, do the index thang */
2321 if (stat(p,&st_buf) < 0)
2322 {
2323 BIO_puts(io,text);
2324 BIO_printf(io,"Error accessing '%s'\r\n",p);
2325 ERR_print_errors(io);
2326 break;
2327 }
2328 if (S_ISDIR(st_buf.st_mode))
2329 {
2330 #if 0 /* must check buffer size */
2331 strcat(p,"/index.html");
2332 #else
2333 BIO_puts(io,text);
2334 BIO_printf(io,"'%s' is a directory\r\n",p);
2335 break;
2336 #endif
2337 }
2338
2339 if ((file=BIO_new_file(p,"r")) == NULL)
2340 {
2341 BIO_puts(io,text);
2342 BIO_printf(io,"Error opening '%s'\r\n",p);
2343 ERR_print_errors(io);
2344 break;
2345 }
2346
2347 if (!s_quiet)
2348 BIO_printf(bio_err,"FILE:%s\n",p);
2349
2350 if (www == 2)
2351 {
2352 i=strlen(p);
2353 if ( ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) ||
2354 ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) ||
2355 ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0)))
2356 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2357 else
2358 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
2359 }
2360 /* send the file */
2361 total_bytes=0;
2362 for (;;)
2363 {
2364 i=BIO_read(file,buf,bufsize);
2365 if (i <= 0) break;
2366
2367 #ifdef RENEG
2368 total_bytes+=i;
2369 fprintf(stderr,"%d\n",i);
2370 if (total_bytes > 3*1024)
2371 {
2372 total_bytes=0;
2373 fprintf(stderr,"RENEGOTIATE\n");
2374 SSL_renegotiate(con);
2375 }
2376 #endif
2377
2378 for (j=0; j<i; )
2379 {
2380 #ifdef RENEG
2381 { static count=0; if (++count == 13) { SSL_renegotiate(con); } }
2382 #endif
2383 k=BIO_write(io,&(buf[j]),i-j);
2384 if (k <= 0)
2385 {
2386 if (!BIO_should_retry(io))
2387 goto write_error;
2388 else
2389 {
2390 BIO_printf(bio_s_out,"rwrite W BLOCK\n");
2391 }
2392 }
2393 else
2394 {
2395 j+=k;
2396 }
2397 }
2398 }
2399 write_error:
2400 BIO_free(file);
2401 break;
2402 }
2403 }
2404
2405 for (;;)
2406 {
2407 i=(int)BIO_flush(io);
2408 if (i <= 0)
2409 {
2410 if (!BIO_should_retry(io))
2411 break;
2412 }
2413 else
2414 break;
2415 }
2416 end:
2417 #if 1
2418 /* make sure we re-use sessions */
2419 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
2420 #else
2421 /* This kills performance */
2422 /* SSL_shutdown(con); A shutdown gets sent in the
2423 * BIO_free_all(io) procession */
2424 #endif
2425
2426 err:
2427
2428 if (ret >= 0)
2429 BIO_printf(bio_s_out,"ACCEPT\n");
2430
2431 if (buf != NULL) OPENSSL_free(buf);
2432 if (io != NULL) BIO_free_all(io);
2433 /* if (ssl_bio != NULL) BIO_free(ssl_bio);*/
2434 return(ret);
2435 }
2436
2437 #ifndef OPENSSL_NO_RSA
2438 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
2439 {
2440 BIGNUM *bn = NULL;
2441 static RSA *rsa_tmp=NULL;
2442
2443 if (!rsa_tmp && ((bn = BN_new()) == NULL))
2444 BIO_printf(bio_err,"Allocation error in generating RSA key\n");
2445 if (!rsa_tmp && bn)
2446 {
2447 if (!s_quiet)
2448 {
2449 BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
2450 (void)BIO_flush(bio_err);
2451 }
2452 if(!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) ||
2453 !RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL))
2454 {
2455 if(rsa_tmp) RSA_free(rsa_tmp);
2456 rsa_tmp = NULL;
2457 }
2458 if (!s_quiet)
2459 {
2460 BIO_printf(bio_err,"\n");
2461 (void)BIO_flush(bio_err);
2462 }
2463 BN_free(bn);
2464 }
2465 return(rsa_tmp);
2466 }
2467 #endif
2468
2469 #define MAX_SESSION_ID_ATTEMPTS 10
2470 static int generate_session_id(const SSL *ssl, unsigned char *id,
2471 unsigned int *id_len)
2472 {
2473 unsigned int count = 0;
2474 do {
2475 RAND_pseudo_bytes(id, *id_len);
2476 /* Prefix the session_id with the required prefix. NB: If our
2477 * prefix is too long, clip it - but there will be worse effects
2478 * anyway, eg. the server could only possibly create 1 session
2479 * ID (ie. the prefix!) so all future session negotiations will
2480 * fail due to conflicts. */
2481 memcpy(id, session_id_prefix,
2482 (strlen(session_id_prefix) < *id_len) ?
2483 strlen(session_id_prefix) : *id_len);
2484 }
2485 while(SSL_has_matching_session_id(ssl, id, *id_len) &&
2486 (++count < MAX_SESSION_ID_ATTEMPTS));
2487 if(count >= MAX_SESSION_ID_ATTEMPTS)
2488 return 0;
2489 return 1;
2490 }
DragonFly BSD