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Ignore machine-check MSRs
[freebsd-src/fkvm-freebsd.git] / crypto / openssl / apps / s_server.c
blob6c433e63fd647a4c2a457ed7dd47622b8c5fe6ab
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 #ifndef OPENSSL_NO_DH
157 #include <openssl/dh.h>
158 #endif
159 #ifndef OPENSSL_NO_RSA
160 #include <openssl/rsa.h>
161 #endif
162 #include "s_apps.h"
163 #include "timeouts.h"
164
165 #ifdef OPENSSL_SYS_WINCE
166 /* Windows CE incorrectly defines fileno as returning void*, so to avoid problems below... */
167 #ifdef fileno
168 #undef fileno
169 #endif
170 #define fileno(a) (int)_fileno(a)
171 #endif
172
173 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
174 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
175 #undef FIONBIO
176 #endif
177
178 #ifndef OPENSSL_NO_RSA
179 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength);
180 #endif
181 static int sv_body(char *hostname, int s, unsigned char *context);
182 static int www_body(char *hostname, int s, unsigned char *context);
183 static void close_accept_socket(void );
184 static void sv_usage(void);
185 static int init_ssl_connection(SSL *s);
186 static void print_stats(BIO *bp,SSL_CTX *ctx);
187 static int generate_session_id(const SSL *ssl, unsigned char *id,
188 unsigned int *id_len);
189 #ifndef OPENSSL_NO_DH
190 static DH *load_dh_param(const char *dhfile);
191 static DH *get_dh512(void);
192 #endif
193
194 #ifdef MONOLITH
195 static void s_server_init(void);
196 #endif
197
198 #ifndef S_ISDIR
199 # if defined(_S_IFMT) && defined(_S_IFDIR)
200 # define S_ISDIR(a) (((a) & _S_IFMT) == _S_IFDIR)
201 # else
202 # define S_ISDIR(a) (((a) & S_IFMT) == S_IFDIR)
203 # endif
204 #endif
205
206 #ifndef OPENSSL_NO_DH
207 static unsigned char dh512_p[]={
208 0xDA,0x58,0x3C,0x16,0xD9,0x85,0x22,0x89,0xD0,0xE4,0xAF,0x75,
209 0x6F,0x4C,0xCA,0x92,0xDD,0x4B,0xE5,0x33,0xB8,0x04,0xFB,0x0F,
210 0xED,0x94,0xEF,0x9C,0x8A,0x44,0x03,0xED,0x57,0x46,0x50,0xD3,
211 0x69,0x99,0xDB,0x29,0xD7,0x76,0x27,0x6B,0xA2,0xD3,0xD4,0x12,
212 0xE2,0x18,0xF4,0xDD,0x1E,0x08,0x4C,0xF6,0xD8,0x00,0x3E,0x7C,
213 0x47,0x74,0xE8,0x33,
214 };
215 static unsigned char dh512_g[]={
216 0x02,
217 };
218
219 static DH *get_dh512(void)
220 {
221 DH *dh=NULL;
222
223 if ((dh=DH_new()) == NULL) return(NULL);
224 dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
225 dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
226 if ((dh->p == NULL) || (dh->g == NULL))
227 return(NULL);
228 return(dh);
229 }
230 #endif
231
232
233 /* static int load_CA(SSL_CTX *ctx, char *file);*/
234
235 #undef BUFSIZZ
236 #define BUFSIZZ 16*1024
237 static int bufsize=BUFSIZZ;
238 static int accept_socket= -1;
239
240 #define TEST_CERT "server.pem"
241 #undef PROG
242 #define PROG s_server_main
243
244 extern int verify_depth;
245
246 static char *cipher=NULL;
247 static int s_server_verify=SSL_VERIFY_NONE;
248 static int s_server_session_id_context = 1; /* anything will do */
249 static const char *s_cert_file=TEST_CERT,*s_key_file=NULL;
250 static char *s_dcert_file=NULL,*s_dkey_file=NULL;
251 #ifdef FIONBIO
252 static int s_nbio=0;
253 #endif
254 static int s_nbio_test=0;
255 int s_crlf=0;
256 static SSL_CTX *ctx=NULL;
257 static int www=0;
258
259 static BIO *bio_s_out=NULL;
260 static int s_debug=0;
261 static int s_msg=0;
262 static int s_quiet=0;
263
264 static int hack=0;
265 #ifndef OPENSSL_NO_ENGINE
266 static char *engine_id=NULL;
267 #endif
268 static const char *session_id_prefix=NULL;
269
270 static int enable_timeouts = 0;
271 #ifdef mtu
272 #undef mtu
273 #endif
274 static long mtu;
275 static int cert_chain = 0;
276
277
278 #ifdef MONOLITH
279 static void s_server_init(void)
280 {
281 accept_socket=-1;
282 cipher=NULL;
283 s_server_verify=SSL_VERIFY_NONE;
284 s_dcert_file=NULL;
285 s_dkey_file=NULL;
286 s_cert_file=TEST_CERT;
287 s_key_file=NULL;
288 #ifdef FIONBIO
289 s_nbio=0;
290 #endif
291 s_nbio_test=0;
292 ctx=NULL;
293 www=0;
294
295 bio_s_out=NULL;
296 s_debug=0;
297 s_msg=0;
298 s_quiet=0;
299 hack=0;
300 #ifndef OPENSSL_NO_ENGINE
301 engine_id=NULL;
302 #endif
303 }
304 #endif
305
306 static void sv_usage(void)
307 {
308 BIO_printf(bio_err,"usage: s_server [args ...]\n");
309 BIO_printf(bio_err,"\n");
310 BIO_printf(bio_err," -accept arg - port to accept on (default is %d)\n",PORT);
311 BIO_printf(bio_err," -context arg - set session ID context\n");
312 BIO_printf(bio_err," -verify arg - turn on peer certificate verification\n");
313 BIO_printf(bio_err," -Verify arg - turn on peer certificate verification, must have a cert.\n");
314 BIO_printf(bio_err," -cert arg - certificate file to use\n");
315 BIO_printf(bio_err," (default is %s)\n",TEST_CERT);
316 BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
317 BIO_printf(bio_err," -key arg - Private Key file to use, in cert file if\n");
318 BIO_printf(bio_err," not specified (default is %s)\n",TEST_CERT);
319 BIO_printf(bio_err," -keyform arg - key format (PEM, DER or ENGINE) PEM default\n");
320 BIO_printf(bio_err," -pass arg - private key file pass phrase source\n");
321 BIO_printf(bio_err," -dcert arg - second certificate file to use (usually for DSA)\n");
322 BIO_printf(bio_err," -dcertform x - second certificate format (PEM or DER) PEM default\n");
323 BIO_printf(bio_err," -dkey arg - second private key file to use (usually for DSA)\n");
324 BIO_printf(bio_err," -dkeyform arg - second key format (PEM, DER or ENGINE) PEM default\n");
325 BIO_printf(bio_err," -dpass arg - second private key file pass phrase source\n");
326 BIO_printf(bio_err," -dhparam arg - DH parameter file to use, in cert file if not specified\n");
327 BIO_printf(bio_err," or a default set of parameters is used\n");
328 #ifndef OPENSSL_NO_ECDH
329 BIO_printf(bio_err," -named_curve arg - Elliptic curve name to use for ephemeral ECDH keys.\n" \
330 " Use \"openssl ecparam -list_curves\" for all names\n" \
331 " (default is sect163r2).\n");
332 #endif
333 #ifdef FIONBIO
334 BIO_printf(bio_err," -nbio - Run with non-blocking IO\n");
335 #endif
336 BIO_printf(bio_err," -nbio_test - test with the non-blocking test bio\n");
337 BIO_printf(bio_err," -crlf - convert LF from terminal into CRLF\n");
338 BIO_printf(bio_err," -debug - Print more output\n");
339 BIO_printf(bio_err," -msg - Show protocol messages\n");
340 BIO_printf(bio_err," -state - Print the SSL states\n");
341 BIO_printf(bio_err," -CApath arg - PEM format directory of CA's\n");
342 BIO_printf(bio_err," -CAfile arg - PEM format file of CA's\n");
343 BIO_printf(bio_err," -nocert - Don't use any certificates (Anon-DH)\n");
344 BIO_printf(bio_err," -cipher arg - play with 'openssl ciphers' to see what goes here\n");
345 BIO_printf(bio_err," -serverpref - Use server's cipher preferences\n");
346 BIO_printf(bio_err," -quiet - No server output\n");
347 BIO_printf(bio_err," -no_tmp_rsa - Do not generate a tmp RSA key\n");
348 BIO_printf(bio_err," -ssl2 - Just talk SSLv2\n");
349 BIO_printf(bio_err," -ssl3 - Just talk SSLv3\n");
350 BIO_printf(bio_err," -tls1 - Just talk TLSv1\n");
351 BIO_printf(bio_err," -dtls1 - Just talk DTLSv1\n");
352 BIO_printf(bio_err," -timeout - Enable timeouts\n");
353 BIO_printf(bio_err," -mtu - Set MTU\n");
354 BIO_printf(bio_err," -chain - Read a certificate chain\n");
355 BIO_printf(bio_err," -no_ssl2 - Just disable SSLv2\n");
356 BIO_printf(bio_err," -no_ssl3 - Just disable SSLv3\n");
357 BIO_printf(bio_err," -no_tls1 - Just disable TLSv1\n");
358 #ifndef OPENSSL_NO_DH
359 BIO_printf(bio_err," -no_dhe - Disable ephemeral DH\n");
360 #endif
361 #ifndef OPENSSL_NO_ECDH
362 BIO_printf(bio_err," -no_ecdhe - Disable ephemeral ECDH\n");
363 #endif
364 BIO_printf(bio_err," -bugs - Turn on SSL bug compatibility\n");
365 BIO_printf(bio_err," -www - Respond to a 'GET /' with a status page\n");
366 BIO_printf(bio_err," -WWW - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
367 BIO_printf(bio_err," -HTTP - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
368 BIO_printf(bio_err," with the assumption it contains a complete HTTP response.\n");
369 #ifndef OPENSSL_NO_ENGINE
370 BIO_printf(bio_err," -engine id - Initialise and use the specified engine\n");
371 #endif
372 BIO_printf(bio_err," -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n");
373 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
374 }
375
376 static int local_argc=0;
377 static char **local_argv;
378
379 #ifdef CHARSET_EBCDIC
380 static int ebcdic_new(BIO *bi);
381 static int ebcdic_free(BIO *a);
382 static int ebcdic_read(BIO *b, char *out, int outl);
383 static int ebcdic_write(BIO *b, const char *in, int inl);
384 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
385 static int ebcdic_gets(BIO *bp, char *buf, int size);
386 static int ebcdic_puts(BIO *bp, const char *str);
387
388 #define BIO_TYPE_EBCDIC_FILTER (18|0x0200)
389 static BIO_METHOD methods_ebcdic=
390 {
391 BIO_TYPE_EBCDIC_FILTER,
392 "EBCDIC/ASCII filter",
393 ebcdic_write,
394 ebcdic_read,
395 ebcdic_puts,
396 ebcdic_gets,
397 ebcdic_ctrl,
398 ebcdic_new,
399 ebcdic_free,
400 };
401
402 typedef struct
403 {
404 size_t alloced;
405 char buff[1];
406 } EBCDIC_OUTBUFF;
407
408 BIO_METHOD *BIO_f_ebcdic_filter()
409 {
410 return(&methods_ebcdic);
411 }
412
413 static int ebcdic_new(BIO *bi)
414 {
415 EBCDIC_OUTBUFF *wbuf;
416
417 wbuf = (EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024);
418 wbuf->alloced = 1024;
419 wbuf->buff[0] = '\0';
420
421 bi->ptr=(char *)wbuf;
422 bi->init=1;
423 bi->flags=0;
424 return(1);
425 }
426
427 static int ebcdic_free(BIO *a)
428 {
429 if (a == NULL) return(0);
430 if (a->ptr != NULL)
431 OPENSSL_free(a->ptr);
432 a->ptr=NULL;
433 a->init=0;
434 a->flags=0;
435 return(1);
436 }
437
438 static int ebcdic_read(BIO *b, char *out, int outl)
439 {
440 int ret=0;
441
442 if (out == NULL || outl == 0) return(0);
443 if (b->next_bio == NULL) return(0);
444
445 ret=BIO_read(b->next_bio,out,outl);
446 if (ret > 0)
447 ascii2ebcdic(out,out,ret);
448 return(ret);
449 }
450
451 static int ebcdic_write(BIO *b, const char *in, int inl)
452 {
453 EBCDIC_OUTBUFF *wbuf;
454 int ret=0;
455 int num;
456 unsigned char n;
457
458 if ((in == NULL) || (inl <= 0)) return(0);
459 if (b->next_bio == NULL) return(0);
460
461 wbuf=(EBCDIC_OUTBUFF *)b->ptr;
462
463 if (inl > (num = wbuf->alloced))
464 {
465 num = num + num; /* double the size */
466 if (num < inl)
467 num = inl;
468 OPENSSL_free(wbuf);
469 wbuf=(EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num);
470
471 wbuf->alloced = num;
472 wbuf->buff[0] = '\0';
473
474 b->ptr=(char *)wbuf;
475 }
476
477 ebcdic2ascii(wbuf->buff, in, inl);
478
479 ret=BIO_write(b->next_bio, wbuf->buff, inl);
480
481 return(ret);
482 }
483
484 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
485 {
486 long ret;
487
488 if (b->next_bio == NULL) return(0);
489 switch (cmd)
490 {
491 case BIO_CTRL_DUP:
492 ret=0L;
493 break;
494 default:
495 ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
496 break;
497 }
498 return(ret);
499 }
500
501 static int ebcdic_gets(BIO *bp, char *buf, int size)
502 {
503 int i, ret=0;
504 if (bp->next_bio == NULL) return(0);
505 /* return(BIO_gets(bp->next_bio,buf,size));*/
506 for (i=0; i<size-1; ++i)
507 {
508 ret = ebcdic_read(bp,&buf[i],1);
509 if (ret <= 0)
510 break;
511 else if (buf[i] == '\n')
512 {
513 ++i;
514 break;
515 }
516 }
517 if (i < size)
518 buf[i] = '\0';
519 return (ret < 0 && i == 0) ? ret : i;
520 }
521
522 static int ebcdic_puts(BIO *bp, const char *str)
523 {
524 if (bp->next_bio == NULL) return(0);
525 return ebcdic_write(bp, str, strlen(str));
526 }
527 #endif
528
529 int MAIN(int, char **);
530
531 int MAIN(int argc, char *argv[])
532 {
533 X509_STORE *store = NULL;
534 int vflags = 0;
535 short port=PORT;
536 char *CApath=NULL,*CAfile=NULL;
537 unsigned char *context = NULL;
538 char *dhfile = NULL;
539 #ifndef OPENSSL_NO_ECDH
540 char *named_curve = NULL;
541 #endif
542 int badop=0,bugs=0;
543 int ret=1;
544 int off=0;
545 int no_tmp_rsa=0,no_dhe=0,no_ecdhe=0,nocert=0;
546 int state=0;
547 SSL_METHOD *meth=NULL;
548 #ifdef sock_type
549 #undef sock_type
550 #endif
551 int sock_type=SOCK_STREAM;
552 #ifndef OPENSSL_NO_ENGINE
553 ENGINE *e=NULL;
554 #endif
555 char *inrand=NULL;
556 int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
557 char *passarg = NULL, *pass = NULL;
558 char *dpassarg = NULL, *dpass = NULL;
559 int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
560 X509 *s_cert = NULL, *s_dcert = NULL;
561 EVP_PKEY *s_key = NULL, *s_dkey = NULL;
562
563 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
564 meth=SSLv23_server_method();
565 #elif !defined(OPENSSL_NO_SSL3)
566 meth=SSLv3_server_method();
567 #elif !defined(OPENSSL_NO_SSL2)
568 meth=SSLv2_server_method();
569 #endif
570
571 local_argc=argc;
572 local_argv=argv;
573
574 apps_startup();
575 #ifdef MONOLITH
576 s_server_init();
577 #endif
578
579 if (bio_err == NULL)
580 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
581
582 if (!load_config(bio_err, NULL))
583 goto end;
584
585 verify_depth=0;
586 #ifdef FIONBIO
587 s_nbio=0;
588 #endif
589 s_nbio_test=0;
590
591 argc--;
592 argv++;
593
594 while (argc >= 1)
595 {
596 if ((strcmp(*argv,"-port") == 0) ||
597 (strcmp(*argv,"-accept") == 0))
598 {
599 if (--argc < 1) goto bad;
600 if (!extract_port(*(++argv),&port))
601 goto bad;
602 }
603 else if (strcmp(*argv,"-verify") == 0)
604 {
605 s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
606 if (--argc < 1) goto bad;
607 verify_depth=atoi(*(++argv));
608 BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
609 }
610 else if (strcmp(*argv,"-Verify") == 0)
611 {
612 s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT|
613 SSL_VERIFY_CLIENT_ONCE;
614 if (--argc < 1) goto bad;
615 verify_depth=atoi(*(++argv));
616 BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth);
617 }
618 else if (strcmp(*argv,"-context") == 0)
619 {
620 if (--argc < 1) goto bad;
621 context= (unsigned char *)*(++argv);
622 }
623 else if (strcmp(*argv,"-cert") == 0)
624 {
625 if (--argc < 1) goto bad;
626 s_cert_file= *(++argv);
627 }
628 else if (strcmp(*argv,"-certform") == 0)
629 {
630 if (--argc < 1) goto bad;
631 s_cert_format = str2fmt(*(++argv));
632 }
633 else if (strcmp(*argv,"-key") == 0)
634 {
635 if (--argc < 1) goto bad;
636 s_key_file= *(++argv);
637 }
638 else if (strcmp(*argv,"-keyform") == 0)
639 {
640 if (--argc < 1) goto bad;
641 s_key_format = str2fmt(*(++argv));
642 }
643 else if (strcmp(*argv,"-pass") == 0)
644 {
645 if (--argc < 1) goto bad;
646 passarg = *(++argv);
647 }
648 else if (strcmp(*argv,"-dhparam") == 0)
649 {
650 if (--argc < 1) goto bad;
651 dhfile = *(++argv);
652 }
653 #ifndef OPENSSL_NO_ECDH
654 else if (strcmp(*argv,"-named_curve") == 0)
655 {
656 if (--argc < 1) goto bad;
657 named_curve = *(++argv);
658 }
659 #endif
660 else if (strcmp(*argv,"-dcertform") == 0)
661 {
662 if (--argc < 1) goto bad;
663 s_dcert_format = str2fmt(*(++argv));
664 }
665 else if (strcmp(*argv,"-dcert") == 0)
666 {
667 if (--argc < 1) goto bad;
668 s_dcert_file= *(++argv);
669 }
670 else if (strcmp(*argv,"-dkeyform") == 0)
671 {
672 if (--argc < 1) goto bad;
673 s_dkey_format = str2fmt(*(++argv));
674 }
675 else if (strcmp(*argv,"-dpass") == 0)
676 {
677 if (--argc < 1) goto bad;
678 dpassarg = *(++argv);
679 }
680 else if (strcmp(*argv,"-dkey") == 0)
681 {
682 if (--argc < 1) goto bad;
683 s_dkey_file= *(++argv);
684 }
685 else if (strcmp(*argv,"-nocert") == 0)
686 {
687 nocert=1;
688 }
689 else if (strcmp(*argv,"-CApath") == 0)
690 {
691 if (--argc < 1) goto bad;
692 CApath= *(++argv);
693 }
694 else if (strcmp(*argv,"-crl_check") == 0)
695 {
696 vflags |= X509_V_FLAG_CRL_CHECK;
697 }
698 else if (strcmp(*argv,"-crl_check") == 0)
699 {
700 vflags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;
701 }
702 else if (strcmp(*argv,"-serverpref") == 0)
703 { off|=SSL_OP_CIPHER_SERVER_PREFERENCE; }
704 else if (strcmp(*argv,"-cipher") == 0)
705 {
706 if (--argc < 1) goto bad;
707 cipher= *(++argv);
708 }
709 else if (strcmp(*argv,"-CAfile") == 0)
710 {
711 if (--argc < 1) goto bad;
712 CAfile= *(++argv);
713 }
714 #ifdef FIONBIO
715 else if (strcmp(*argv,"-nbio") == 0)
716 { s_nbio=1; }
717 #endif
718 else if (strcmp(*argv,"-nbio_test") == 0)
719 {
720 #ifdef FIONBIO
721 s_nbio=1;
722 #endif
723 s_nbio_test=1;
724 }
725 else if (strcmp(*argv,"-debug") == 0)
726 { s_debug=1; }
727 else if (strcmp(*argv,"-msg") == 0)
728 { s_msg=1; }
729 else if (strcmp(*argv,"-hack") == 0)
730 { hack=1; }
731 else if (strcmp(*argv,"-state") == 0)
732 { state=1; }
733 else if (strcmp(*argv,"-crlf") == 0)
734 { s_crlf=1; }
735 else if (strcmp(*argv,"-quiet") == 0)
736 { s_quiet=1; }
737 else if (strcmp(*argv,"-bugs") == 0)
738 { bugs=1; }
739 else if (strcmp(*argv,"-no_tmp_rsa") == 0)
740 { no_tmp_rsa=1; }
741 else if (strcmp(*argv,"-no_dhe") == 0)
742 { no_dhe=1; }
743 else if (strcmp(*argv,"-no_ecdhe") == 0)
744 { no_ecdhe=1; }
745 else if (strcmp(*argv,"-www") == 0)
746 { www=1; }
747 else if (strcmp(*argv,"-WWW") == 0)
748 { www=2; }
749 else if (strcmp(*argv,"-HTTP") == 0)
750 { www=3; }
751 else if (strcmp(*argv,"-no_ssl2") == 0)
752 { off|=SSL_OP_NO_SSLv2; }
753 else if (strcmp(*argv,"-no_ssl3") == 0)
754 { off|=SSL_OP_NO_SSLv3; }
755 else if (strcmp(*argv,"-no_tls1") == 0)
756 { off|=SSL_OP_NO_TLSv1; }
757 #ifndef OPENSSL_NO_SSL2
758 else if (strcmp(*argv,"-ssl2") == 0)
759 { meth=SSLv2_server_method(); }
760 #endif
761 #ifndef OPENSSL_NO_SSL3
762 else if (strcmp(*argv,"-ssl3") == 0)
763 { meth=SSLv3_server_method(); }
764 #endif
765 #ifndef OPENSSL_NO_TLS1
766 else if (strcmp(*argv,"-tls1") == 0)
767 { meth=TLSv1_server_method(); }
768 #endif
769 #ifndef OPENSSL_NO_DTLS1
770 else if (strcmp(*argv,"-dtls1") == 0)
771 {
772 meth=DTLSv1_server_method();
773 sock_type = SOCK_DGRAM;
774 }
775 else if (strcmp(*argv,"-timeout") == 0)
776 enable_timeouts = 1;
777 else if (strcmp(*argv,"-mtu") == 0)
778 {
779 if (--argc < 1) goto bad;
780 mtu = atol(*(++argv));
781 }
782 else if (strcmp(*argv, "-chain") == 0)
783 cert_chain = 1;
784 #endif
785 else if (strcmp(*argv, "-id_prefix") == 0)
786 {
787 if (--argc < 1) goto bad;
788 session_id_prefix = *(++argv);
789 }
790 #ifndef OPENSSL_NO_ENGINE
791 else if (strcmp(*argv,"-engine") == 0)
792 {
793 if (--argc < 1) goto bad;
794 engine_id= *(++argv);
795 }
796 #endif
797 else if (strcmp(*argv,"-rand") == 0)
798 {
799 if (--argc < 1) goto bad;
800 inrand= *(++argv);
801 }
802 else
803 {
804 BIO_printf(bio_err,"unknown option %s\n",*argv);
805 badop=1;
806 break;
807 }
808 argc--;
809 argv++;
810 }
811 if (badop)
812 {
813 bad:
814 sv_usage();
815 goto end;
816 }
817
818 SSL_load_error_strings();
819 OpenSSL_add_ssl_algorithms();
820
821 #ifndef OPENSSL_NO_ENGINE
822 e = setup_engine(bio_err, engine_id, 1);
823 #endif
824
825 if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass))
826 {
827 BIO_printf(bio_err, "Error getting password\n");
828 goto end;
829 }
830
831
832 if (s_key_file == NULL)
833 s_key_file = s_cert_file;
834
835 if (nocert == 0)
836 {
837 s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e,
838 "server certificate private key file");
839 if (!s_key)
840 {
841 ERR_print_errors(bio_err);
842 goto end;
843 }
844
845 s_cert = load_cert(bio_err,s_cert_file,s_cert_format,
846 NULL, e, "server certificate file");
847
848 if (!s_cert)
849 {
850 ERR_print_errors(bio_err);
851 goto end;
852 }
853 }
854
855 if (s_dcert_file)
856 {
857
858 if (s_dkey_file == NULL)
859 s_dkey_file = s_dcert_file;
860
861 s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format,
862 0, dpass, e,
863 "second certificate private key file");
864 if (!s_dkey)
865 {
866 ERR_print_errors(bio_err);
867 goto end;
868 }
869
870 s_dcert = load_cert(bio_err,s_dcert_file,s_dcert_format,
871 NULL, e, "second server certificate file");
872
873 if (!s_dcert)
874 {
875 ERR_print_errors(bio_err);
876 goto end;
877 }
878
879 }
880
881 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
882 && !RAND_status())
883 {
884 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
885 }
886 if (inrand != NULL)
887 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
888 app_RAND_load_files(inrand));
889
890 if (bio_s_out == NULL)
891 {
892 if (s_quiet && !s_debug && !s_msg)
893 {
894 bio_s_out=BIO_new(BIO_s_null());
895 }
896 else
897 {
898 if (bio_s_out == NULL)
899 bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE);
900 }
901 }
902
903 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA)
904 if (nocert)
905 #endif
906 {
907 s_cert_file=NULL;
908 s_key_file=NULL;
909 s_dcert_file=NULL;
910 s_dkey_file=NULL;
911 }
912
913 ctx=SSL_CTX_new(meth);
914 if (ctx == NULL)
915 {
916 ERR_print_errors(bio_err);
917 goto end;
918 }
919 if (session_id_prefix)
920 {
921 if(strlen(session_id_prefix) >= 32)
922 BIO_printf(bio_err,
923 "warning: id_prefix is too long, only one new session will be possible\n");
924 else if(strlen(session_id_prefix) >= 16)
925 BIO_printf(bio_err,
926 "warning: id_prefix is too long if you use SSLv2\n");
927 if(!SSL_CTX_set_generate_session_id(ctx, generate_session_id))
928 {
929 BIO_printf(bio_err,"error setting 'id_prefix'\n");
930 ERR_print_errors(bio_err);
931 goto end;
932 }
933 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
934 }
935 SSL_CTX_set_quiet_shutdown(ctx,1);
936 if (bugs) SSL_CTX_set_options(ctx,SSL_OP_ALL);
937 if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
938 SSL_CTX_set_options(ctx,off);
939 /* DTLS: partial reads end up discarding unread UDP bytes :-(
940 * Setting read ahead solves this problem.
941 */
942 if (sock_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
943
944 if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
945
946 SSL_CTX_sess_set_cache_size(ctx,128);
947
948 #if 0
949 if (cipher == NULL) cipher=getenv("SSL_CIPHER");
950 #endif
951
952 #if 0
953 if (s_cert_file == NULL)
954 {
955 BIO_printf(bio_err,"You must specify a certificate file for the server to use\n");
956 goto end;
957 }
958 #endif
959
960 if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
961 (!SSL_CTX_set_default_verify_paths(ctx)))
962 {
963 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
964 ERR_print_errors(bio_err);
965 /* goto end; */
966 }
967 store = SSL_CTX_get_cert_store(ctx);
968 X509_STORE_set_flags(store, vflags);
969
970 #ifndef OPENSSL_NO_DH
971 if (!no_dhe)
972 {
973 DH *dh=NULL;
974
975 if (dhfile)
976 dh = load_dh_param(dhfile);
977 else if (s_cert_file)
978 dh = load_dh_param(s_cert_file);
979
980 if (dh != NULL)
981 {
982 BIO_printf(bio_s_out,"Setting temp DH parameters\n");
983 }
984 else
985 {
986 BIO_printf(bio_s_out,"Using default temp DH parameters\n");
987 dh=get_dh512();
988 }
989 (void)BIO_flush(bio_s_out);
990
991 SSL_CTX_set_tmp_dh(ctx,dh);
992 DH_free(dh);
993 }
994 #endif
995
996 #ifndef OPENSSL_NO_ECDH
997 if (!no_ecdhe)
998 {
999 EC_KEY *ecdh=NULL;
1000
1001 if (named_curve)
1002 {
1003 int nid = OBJ_sn2nid(named_curve);
1004
1005 if (nid == 0)
1006 {
1007 BIO_printf(bio_err, "unknown curve name (%s)\n",
1008 named_curve);
1009 goto end;
1010 }
1011 ecdh = EC_KEY_new_by_curve_name(nid);
1012 if (ecdh == NULL)
1013 {
1014 BIO_printf(bio_err, "unable to create curve (%s)\n",
1015 named_curve);
1016 goto end;
1017 }
1018 }
1019
1020 if (ecdh != NULL)
1021 {
1022 BIO_printf(bio_s_out,"Setting temp ECDH parameters\n");
1023 }
1024 else
1025 {
1026 BIO_printf(bio_s_out,"Using default temp ECDH parameters\n");
1027 ecdh = EC_KEY_new_by_curve_name(NID_sect163r2);
1028 if (ecdh == NULL)
1029 {
1030 BIO_printf(bio_err, "unable to create curve (sect163r2)\n");
1031 goto end;
1032 }
1033 }
1034 (void)BIO_flush(bio_s_out);
1035
1036 SSL_CTX_set_tmp_ecdh(ctx,ecdh);
1037 EC_KEY_free(ecdh);
1038 }
1039 #endif
1040
1041 if (!set_cert_key_stuff(ctx,s_cert,s_key))
1042 goto end;
1043 if (s_dcert != NULL)
1044 {
1045 if (!set_cert_key_stuff(ctx,s_dcert,s_dkey))
1046 goto end;
1047 }
1048
1049 #ifndef OPENSSL_NO_RSA
1050 #if 1
1051 if (!no_tmp_rsa)
1052 SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
1053 #else
1054 if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx))
1055 {
1056 RSA *rsa;
1057
1058 BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key...");
1059 BIO_flush(bio_s_out);
1060
1061 rsa=RSA_generate_key(512,RSA_F4,NULL);
1062
1063 if (!SSL_CTX_set_tmp_rsa(ctx,rsa))
1064 {
1065 ERR_print_errors(bio_err);
1066 goto end;
1067 }
1068 RSA_free(rsa);
1069 BIO_printf(bio_s_out,"\n");
1070 }
1071 #endif
1072 #endif
1073
1074 if (cipher != NULL)
1075 if(!SSL_CTX_set_cipher_list(ctx,cipher)) {
1076 BIO_printf(bio_err,"error setting cipher list\n");
1077 ERR_print_errors(bio_err);
1078 goto end;
1079 }
1080 SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
1081 SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
1082 sizeof s_server_session_id_context);
1083
1084 if (CAfile != NULL)
1085 SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
1086
1087 BIO_printf(bio_s_out,"ACCEPT\n");
1088 if (www)
1089 do_server(port,sock_type,&accept_socket,www_body, context);
1090 else
1091 do_server(port,sock_type,&accept_socket,sv_body, context);
1092 print_stats(bio_s_out,ctx);
1093 ret=0;
1094 end:
1095 if (ctx != NULL) SSL_CTX_free(ctx);
1096 if (s_cert)
1097 X509_free(s_cert);
1098 if (s_dcert)
1099 X509_free(s_dcert);
1100 if (s_key)
1101 EVP_PKEY_free(s_key);
1102 if (s_dkey)
1103 EVP_PKEY_free(s_dkey);
1104 if (pass)
1105 OPENSSL_free(pass);
1106 if (dpass)
1107 OPENSSL_free(dpass);
1108 if (bio_s_out != NULL)
1109 {
1110 BIO_free(bio_s_out);
1111 bio_s_out=NULL;
1112 }
1113 apps_shutdown();
1114 OPENSSL_EXIT(ret);
1115 }
1116
1117 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
1118 {
1119 BIO_printf(bio,"%4ld items in the session cache\n",
1120 SSL_CTX_sess_number(ssl_ctx));
1121 BIO_printf(bio,"%4ld client connects (SSL_connect())\n",
1122 SSL_CTX_sess_connect(ssl_ctx));
1123 BIO_printf(bio,"%4ld client renegotiates (SSL_connect())\n",
1124 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
1125 BIO_printf(bio,"%4ld client connects that finished\n",
1126 SSL_CTX_sess_connect_good(ssl_ctx));
1127 BIO_printf(bio,"%4ld server accepts (SSL_accept())\n",
1128 SSL_CTX_sess_accept(ssl_ctx));
1129 BIO_printf(bio,"%4ld server renegotiates (SSL_accept())\n",
1130 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
1131 BIO_printf(bio,"%4ld server accepts that finished\n",
1132 SSL_CTX_sess_accept_good(ssl_ctx));
1133 BIO_printf(bio,"%4ld session cache hits\n",SSL_CTX_sess_hits(ssl_ctx));
1134 BIO_printf(bio,"%4ld session cache misses\n",SSL_CTX_sess_misses(ssl_ctx));
1135 BIO_printf(bio,"%4ld session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx));
1136 BIO_printf(bio,"%4ld callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx));
1137 BIO_printf(bio,"%4ld cache full overflows (%ld allowed)\n",
1138 SSL_CTX_sess_cache_full(ssl_ctx),
1139 SSL_CTX_sess_get_cache_size(ssl_ctx));
1140 }
1141
1142 static int sv_body(char *hostname, int s, unsigned char *context)
1143 {
1144 char *buf=NULL;
1145 fd_set readfds;
1146 int ret=1,width;
1147 int k,i;
1148 unsigned long l;
1149 SSL *con=NULL;
1150 BIO *sbio;
1151 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
1152 struct timeval tv;
1153 #endif
1154
1155 if ((buf=OPENSSL_malloc(bufsize)) == NULL)
1156 {
1157 BIO_printf(bio_err,"out of memory\n");
1158 goto err;
1159 }
1160 #ifdef FIONBIO
1161 if (s_nbio)
1162 {
1163 unsigned long sl=1;
1164
1165 if (!s_quiet)
1166 BIO_printf(bio_err,"turning on non blocking io\n");
1167 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
1168 ERR_print_errors(bio_err);
1169 }
1170 #endif
1171
1172 if (con == NULL) {
1173 con=SSL_new(ctx);
1174 #ifndef OPENSSL_NO_KRB5
1175 if ((con->kssl_ctx = kssl_ctx_new()) != NULL)
1176 {
1177 kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVICE,
1178 KRB5SVC);
1179 kssl_ctx_setstring(con->kssl_ctx, KSSL_KEYTAB,
1180 KRB5KEYTAB);
1181 }
1182 #endif /* OPENSSL_NO_KRB5 */
1183 if(context)
1184 SSL_set_session_id_context(con, context,
1185 strlen((char *)context));
1186 }
1187 SSL_clear(con);
1188
1189 if (SSL_version(con) == DTLS1_VERSION)
1190 {
1191 struct timeval timeout;
1192
1193 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
1194
1195 if ( enable_timeouts)
1196 {
1197 timeout.tv_sec = 0;
1198 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1199 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1200
1201 timeout.tv_sec = 0;
1202 timeout.tv_usec = DGRAM_SND_TIMEOUT;
1203 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1204 }
1205
1206
1207 if ( mtu > 0)
1208 {
1209 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1210 SSL_set_mtu(con, mtu);
1211 }
1212 else
1213 /* want to do MTU discovery */
1214 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1215
1216 /* turn on cookie exchange */
1217 SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
1218 }
1219 else
1220 sbio=BIO_new_socket(s,BIO_NOCLOSE);
1221
1222 if (s_nbio_test)
1223 {
1224 BIO *test;
1225
1226 test=BIO_new(BIO_f_nbio_test());
1227 sbio=BIO_push(test,sbio);
1228 }
1229 SSL_set_bio(con,sbio,sbio);
1230 SSL_set_accept_state(con);
1231 /* SSL_set_fd(con,s); */
1232
1233 if (s_debug)
1234 {
1235 con->debug=1;
1236 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
1237 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
1238 }
1239 if (s_msg)
1240 {
1241 SSL_set_msg_callback(con, msg_cb);
1242 SSL_set_msg_callback_arg(con, bio_s_out);
1243 }
1244
1245 width=s+1;
1246 for (;;)
1247 {
1248 int read_from_terminal;
1249 int read_from_sslcon;
1250
1251 read_from_terminal = 0;
1252 read_from_sslcon = SSL_pending(con);
1253
1254 if (!read_from_sslcon)
1255 {
1256 FD_ZERO(&readfds);
1257 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE)
1258 FD_SET(fileno(stdin),&readfds);
1259 #endif
1260 FD_SET(s,&readfds);
1261 /* Note: under VMS with SOCKETSHR the second parameter is
1262 * currently of type (int *) whereas under other systems
1263 * it is (void *) if you don't have a cast it will choke
1264 * the compiler: if you do have a cast then you can either
1265 * go for (int *) or (void *).
1266 */
1267 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
1268 /* Under DOS (non-djgpp) and Windows we can't select on stdin: only
1269 * on sockets. As a workaround we timeout the select every
1270 * second and check for any keypress. In a proper Windows
1271 * application we wouldn't do this because it is inefficient.
1272 */
1273 tv.tv_sec = 1;
1274 tv.tv_usec = 0;
1275 i=select(width,(void *)&readfds,NULL,NULL,&tv);
1276 if((i < 0) || (!i && !_kbhit() ) )continue;
1277 if(_kbhit())
1278 read_from_terminal = 1;
1279 #else
1280 i=select(width,(void *)&readfds,NULL,NULL,NULL);
1281 if (i <= 0) continue;
1282 if (FD_ISSET(fileno(stdin),&readfds))
1283 read_from_terminal = 1;
1284 #endif
1285 if (FD_ISSET(s,&readfds))
1286 read_from_sslcon = 1;
1287 }
1288 if (read_from_terminal)
1289 {
1290 if (s_crlf)
1291 {
1292 int j, lf_num;
1293
1294 i=read(fileno(stdin), buf, bufsize/2);
1295 lf_num = 0;
1296 /* both loops are skipped when i <= 0 */
1297 for (j = 0; j < i; j++)
1298 if (buf[j] == '\n')
1299 lf_num++;
1300 for (j = i-1; j >= 0; j--)
1301 {
1302 buf[j+lf_num] = buf[j];
1303 if (buf[j] == '\n')
1304 {
1305 lf_num--;
1306 i++;
1307 buf[j+lf_num] = '\r';
1308 }
1309 }
1310 assert(lf_num == 0);
1311 }
1312 else
1313 i=read(fileno(stdin),buf,bufsize);
1314 if (!s_quiet)
1315 {
1316 if ((i <= 0) || (buf[0] == 'Q'))
1317 {
1318 BIO_printf(bio_s_out,"DONE\n");
1319 SHUTDOWN(s);
1320 close_accept_socket();
1321 ret= -11;
1322 goto err;
1323 }
1324 if ((i <= 0) || (buf[0] == 'q'))
1325 {
1326 BIO_printf(bio_s_out,"DONE\n");
1327 if (SSL_version(con) != DTLS1_VERSION)
1328 SHUTDOWN(s);
1329 /* close_accept_socket();
1330 ret= -11;*/
1331 goto err;
1332 }
1333 if ((buf[0] == 'r') &&
1334 ((buf[1] == '\n') || (buf[1] == '\r')))
1335 {
1336 SSL_renegotiate(con);
1337 i=SSL_do_handshake(con);
1338 printf("SSL_do_handshake -> %d\n",i);
1339 i=0; /*13; */
1340 continue;
1341 /* strcpy(buf,"server side RE-NEGOTIATE\n"); */
1342 }
1343 if ((buf[0] == 'R') &&
1344 ((buf[1] == '\n') || (buf[1] == '\r')))
1345 {
1346 SSL_set_verify(con,
1347 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
1348 SSL_renegotiate(con);
1349 i=SSL_do_handshake(con);
1350 printf("SSL_do_handshake -> %d\n",i);
1351 i=0; /* 13; */
1352 continue;
1353 /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
1354 }
1355 if (buf[0] == 'P')
1356 {
1357 static const char *str="Lets print some clear text\n";
1358 BIO_write(SSL_get_wbio(con),str,strlen(str));
1359 }
1360 if (buf[0] == 'S')
1361 {
1362 print_stats(bio_s_out,SSL_get_SSL_CTX(con));
1363 }
1364 }
1365 #ifdef CHARSET_EBCDIC
1366 ebcdic2ascii(buf,buf,i);
1367 #endif
1368 l=k=0;
1369 for (;;)
1370 {
1371 /* should do a select for the write */
1372 #ifdef RENEG
1373 { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
1374 #endif
1375 k=SSL_write(con,&(buf[l]),(unsigned int)i);
1376 switch (SSL_get_error(con,k))
1377 {
1378 case SSL_ERROR_NONE:
1379 break;
1380 case SSL_ERROR_WANT_WRITE:
1381 case SSL_ERROR_WANT_READ:
1382 case SSL_ERROR_WANT_X509_LOOKUP:
1383 BIO_printf(bio_s_out,"Write BLOCK\n");
1384 break;
1385 case SSL_ERROR_SYSCALL:
1386 case SSL_ERROR_SSL:
1387 BIO_printf(bio_s_out,"ERROR\n");
1388 ERR_print_errors(bio_err);
1389 ret=1;
1390 goto err;
1391 /* break; */
1392 case SSL_ERROR_ZERO_RETURN:
1393 BIO_printf(bio_s_out,"DONE\n");
1394 ret=1;
1395 goto err;
1396 }
1397 l+=k;
1398 i-=k;
1399 if (i <= 0) break;
1400 }
1401 }
1402 if (read_from_sslcon)
1403 {
1404 if (!SSL_is_init_finished(con))
1405 {
1406 i=init_ssl_connection(con);
1407
1408 if (i < 0)
1409 {
1410 ret=0;
1411 goto err;
1412 }
1413 else if (i == 0)
1414 {
1415 ret=1;
1416 goto err;
1417 }
1418 }
1419 else
1420 {
1421 again:
1422 i=SSL_read(con,(char *)buf,bufsize);
1423 switch (SSL_get_error(con,i))
1424 {
1425 case SSL_ERROR_NONE:
1426 #ifdef CHARSET_EBCDIC
1427 ascii2ebcdic(buf,buf,i);
1428 #endif
1429 write(fileno(stdout),buf,
1430 (unsigned int)i);
1431 if (SSL_pending(con)) goto again;
1432 break;
1433 case SSL_ERROR_WANT_WRITE:
1434 case SSL_ERROR_WANT_READ:
1435 case SSL_ERROR_WANT_X509_LOOKUP:
1436 BIO_printf(bio_s_out,"Read BLOCK\n");
1437 break;
1438 case SSL_ERROR_SYSCALL:
1439 case SSL_ERROR_SSL:
1440 BIO_printf(bio_s_out,"ERROR\n");
1441 ERR_print_errors(bio_err);
1442 ret=1;
1443 goto err;
1444 case SSL_ERROR_ZERO_RETURN:
1445 BIO_printf(bio_s_out,"DONE\n");
1446 ret=1;
1447 goto err;
1448 }
1449 }
1450 }
1451 }
1452 err:
1453 BIO_printf(bio_s_out,"shutting down SSL\n");
1454 #if 1
1455 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
1456 #else
1457 SSL_shutdown(con);
1458 #endif
1459 if (con != NULL) SSL_free(con);
1460 BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
1461 if (buf != NULL)
1462 {
1463 OPENSSL_cleanse(buf,bufsize);
1464 OPENSSL_free(buf);
1465 }
1466 if (ret >= 0)
1467 BIO_printf(bio_s_out,"ACCEPT\n");
1468 return(ret);
1469 }
1470
1471 static void close_accept_socket(void)
1472 {
1473 BIO_printf(bio_err,"shutdown accept socket\n");
1474 if (accept_socket >= 0)
1475 {
1476 SHUTDOWN2(accept_socket);
1477 }
1478 }
1479
1480 static int init_ssl_connection(SSL *con)
1481 {
1482 int i;
1483 const char *str;
1484 X509 *peer;
1485 long verify_error;
1486 MS_STATIC char buf[BUFSIZ];
1487
1488 if ((i=SSL_accept(con)) <= 0)
1489 {
1490 if (BIO_sock_should_retry(i))
1491 {
1492 BIO_printf(bio_s_out,"DELAY\n");
1493 return(1);
1494 }
1495
1496 BIO_printf(bio_err,"ERROR\n");
1497 verify_error=SSL_get_verify_result(con);
1498 if (verify_error != X509_V_OK)
1499 {
1500 BIO_printf(bio_err,"verify error:%s\n",
1501 X509_verify_cert_error_string(verify_error));
1502 }
1503 else
1504 ERR_print_errors(bio_err);
1505 return(0);
1506 }
1507
1508 PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con));
1509
1510 peer=SSL_get_peer_certificate(con);
1511 if (peer != NULL)
1512 {
1513 BIO_printf(bio_s_out,"Client certificate\n");
1514 PEM_write_bio_X509(bio_s_out,peer);
1515 X509_NAME_oneline(X509_get_subject_name(peer),buf,sizeof buf);
1516 BIO_printf(bio_s_out,"subject=%s\n",buf);
1517 X509_NAME_oneline(X509_get_issuer_name(peer),buf,sizeof buf);
1518 BIO_printf(bio_s_out,"issuer=%s\n",buf);
1519 X509_free(peer);
1520 }
1521
1522 if (SSL_get_shared_ciphers(con,buf,sizeof buf) != NULL)
1523 BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
1524 str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
1525 BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
1526 if (con->hit) BIO_printf(bio_s_out,"Reused session-id\n");
1527 if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
1528 TLS1_FLAGS_TLS_PADDING_BUG)
1529 BIO_printf(bio_s_out,"Peer has incorrect TLSv1 block padding\n");
1530 #ifndef OPENSSL_NO_KRB5
1531 if (con->kssl_ctx->client_princ != NULL)
1532 {
1533 BIO_printf(bio_s_out,"Kerberos peer principal is %s\n",
1534 con->kssl_ctx->client_princ);
1535 }
1536 #endif /* OPENSSL_NO_KRB5 */
1537 return(1);
1538 }
1539
1540 #ifndef OPENSSL_NO_DH
1541 static DH *load_dh_param(const char *dhfile)
1542 {
1543 DH *ret=NULL;
1544 BIO *bio;
1545
1546 if ((bio=BIO_new_file(dhfile,"r")) == NULL)
1547 goto err;
1548 ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL);
1549 err:
1550 if (bio != NULL) BIO_free(bio);
1551 return(ret);
1552 }
1553 #endif
1554
1555 #if 0
1556 static int load_CA(SSL_CTX *ctx, char *file)
1557 {
1558 FILE *in;
1559 X509 *x=NULL;
1560
1561 if ((in=fopen(file,"r")) == NULL)
1562 return(0);
1563
1564 for (;;)
1565 {
1566 if (PEM_read_X509(in,&x,NULL) == NULL)
1567 break;
1568 SSL_CTX_add_client_CA(ctx,x);
1569 }
1570 if (x != NULL) X509_free(x);
1571 fclose(in);
1572 return(1);
1573 }
1574 #endif
1575
1576 static int www_body(char *hostname, int s, unsigned char *context)
1577 {
1578 char *buf=NULL;
1579 int ret=1;
1580 int i,j,k,blank,dot;
1581 struct stat st_buf;
1582 SSL *con;
1583 SSL_CIPHER *c;
1584 BIO *io,*ssl_bio,*sbio;
1585 long total_bytes;
1586
1587 buf=OPENSSL_malloc(bufsize);
1588 if (buf == NULL) return(0);
1589 io=BIO_new(BIO_f_buffer());
1590 ssl_bio=BIO_new(BIO_f_ssl());
1591 if ((io == NULL) || (ssl_bio == NULL)) goto err;
1592
1593 #ifdef FIONBIO
1594 if (s_nbio)
1595 {
1596 unsigned long sl=1;
1597
1598 if (!s_quiet)
1599 BIO_printf(bio_err,"turning on non blocking io\n");
1600 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
1601 ERR_print_errors(bio_err);
1602 }
1603 #endif
1604
1605 /* lets make the output buffer a reasonable size */
1606 if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
1607
1608 if ((con=SSL_new(ctx)) == NULL) goto err;
1609 #ifndef OPENSSL_NO_KRB5
1610 if ((con->kssl_ctx = kssl_ctx_new()) != NULL)
1611 {
1612 kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVICE, KRB5SVC);
1613 kssl_ctx_setstring(con->kssl_ctx, KSSL_KEYTAB, KRB5KEYTAB);
1614 }
1615 #endif /* OPENSSL_NO_KRB5 */
1616 if(context) SSL_set_session_id_context(con, context,
1617 strlen((char *)context));
1618
1619 sbio=BIO_new_socket(s,BIO_NOCLOSE);
1620 if (s_nbio_test)
1621 {
1622 BIO *test;
1623
1624 test=BIO_new(BIO_f_nbio_test());
1625 sbio=BIO_push(test,sbio);
1626 }
1627 SSL_set_bio(con,sbio,sbio);
1628 SSL_set_accept_state(con);
1629
1630 /* SSL_set_fd(con,s); */
1631 BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
1632 BIO_push(io,ssl_bio);
1633 #ifdef CHARSET_EBCDIC
1634 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
1635 #endif
1636
1637 if (s_debug)
1638 {
1639 con->debug=1;
1640 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
1641 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
1642 }
1643 if (s_msg)
1644 {
1645 SSL_set_msg_callback(con, msg_cb);
1646 SSL_set_msg_callback_arg(con, bio_s_out);
1647 }
1648
1649 blank=0;
1650 for (;;)
1651 {
1652 if (hack)
1653 {
1654 i=SSL_accept(con);
1655
1656 switch (SSL_get_error(con,i))
1657 {
1658 case SSL_ERROR_NONE:
1659 break;
1660 case SSL_ERROR_WANT_WRITE:
1661 case SSL_ERROR_WANT_READ:
1662 case SSL_ERROR_WANT_X509_LOOKUP:
1663 continue;
1664 case SSL_ERROR_SYSCALL:
1665 case SSL_ERROR_SSL:
1666 case SSL_ERROR_ZERO_RETURN:
1667 ret=1;
1668 goto err;
1669 /* break; */
1670 }
1671
1672 SSL_renegotiate(con);
1673 SSL_write(con,NULL,0);
1674 }
1675
1676 i=BIO_gets(io,buf,bufsize-1);
1677 if (i < 0) /* error */
1678 {
1679 if (!BIO_should_retry(io))
1680 {
1681 if (!s_quiet)
1682 ERR_print_errors(bio_err);
1683 goto err;
1684 }
1685 else
1686 {
1687 BIO_printf(bio_s_out,"read R BLOCK\n");
1688 #if defined(OPENSSL_SYS_NETWARE)
1689 delay(1000);
1690 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__)
1691 sleep(1);
1692 #endif
1693 continue;
1694 }
1695 }
1696 else if (i == 0) /* end of input */
1697 {
1698 ret=1;
1699 goto end;
1700 }
1701
1702 /* else we have data */
1703 if ( ((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
1704 ((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
1705 {
1706 char *p;
1707 X509 *peer;
1708 STACK_OF(SSL_CIPHER) *sk;
1709 static const char *space=" ";
1710
1711 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
1712 BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n");
1713 BIO_puts(io,"<pre>\n");
1714 /* BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
1715 BIO_puts(io,"\n");
1716 for (i=0; i<local_argc; i++)
1717 {
1718 BIO_puts(io,local_argv[i]);
1719 BIO_write(io," ",1);
1720 }
1721 BIO_puts(io,"\n");
1722
1723 /* The following is evil and should not really
1724 * be done */
1725 BIO_printf(io,"Ciphers supported in s_server binary\n");
1726 sk=SSL_get_ciphers(con);
1727 j=sk_SSL_CIPHER_num(sk);
1728 for (i=0; i<j; i++)
1729 {
1730 c=sk_SSL_CIPHER_value(sk,i);
1731 BIO_printf(io,"%-11s:%-25s",
1732 SSL_CIPHER_get_version(c),
1733 SSL_CIPHER_get_name(c));
1734 if ((((i+1)%2) == 0) && (i+1 != j))
1735 BIO_puts(io,"\n");
1736 }
1737 BIO_puts(io,"\n");
1738 p=SSL_get_shared_ciphers(con,buf,bufsize);
1739 if (p != NULL)
1740 {
1741 BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
1742 j=i=0;
1743 while (*p)
1744 {
1745 if (*p == ':')
1746 {
1747 BIO_write(io,space,26-j);
1748 i++;
1749 j=0;
1750 BIO_write(io,((i%3)?" ":"\n"),1);
1751 }
1752 else
1753 {
1754 BIO_write(io,p,1);
1755 j++;
1756 }
1757 p++;
1758 }
1759 BIO_puts(io,"\n");
1760 }
1761 BIO_printf(io,((con->hit)
1762 ?"---\nReused, "
1763 :"---\nNew, "));
1764 c=SSL_get_current_cipher(con);
1765 BIO_printf(io,"%s, Cipher is %s\n",
1766 SSL_CIPHER_get_version(c),
1767 SSL_CIPHER_get_name(c));
1768 SSL_SESSION_print(io,SSL_get_session(con));
1769 BIO_printf(io,"---\n");
1770 print_stats(io,SSL_get_SSL_CTX(con));
1771 BIO_printf(io,"---\n");
1772 peer=SSL_get_peer_certificate(con);
1773 if (peer != NULL)
1774 {
1775 BIO_printf(io,"Client certificate\n");
1776 X509_print(io,peer);
1777 PEM_write_bio_X509(io,peer);
1778 }
1779 else
1780 BIO_puts(io,"no client certificate available\n");
1781 BIO_puts(io,"</BODY></HTML>\r\n\r\n");
1782 break;
1783 }
1784 else if ((www == 2 || www == 3)
1785 && (strncmp("GET /",buf,5) == 0))
1786 {
1787 BIO *file;
1788 char *p,*e;
1789 static const char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
1790
1791 /* skip the '/' */
1792 p= &(buf[5]);
1793
1794 dot = 1;
1795 for (e=p; *e != '\0'; e++)
1796 {
1797 if (e[0] == ' ')
1798 break;
1799
1800 switch (dot)
1801 {
1802 case 1:
1803 dot = (e[0] == '.') ? 2 : 0;
1804 break;
1805 case 2:
1806 dot = (e[0] == '.') ? 3 : 0;
1807 break;
1808 case 3:
1809 dot = (e[0] == '/') ? -1 : 0;
1810 break;
1811 }
1812 if (dot == 0)
1813 dot = (e[0] == '/') ? 1 : 0;
1814 }
1815 dot = (dot == 3) || (dot == -1); /* filename contains ".." component */
1816
1817 if (*e == '\0')
1818 {
1819 BIO_puts(io,text);
1820 BIO_printf(io,"'%s' is an invalid file name\r\n",p);
1821 break;
1822 }
1823 *e='\0';
1824
1825 if (dot)
1826 {
1827 BIO_puts(io,text);
1828 BIO_printf(io,"'%s' contains '..' reference\r\n",p);
1829 break;
1830 }
1831
1832 if (*p == '/')
1833 {
1834 BIO_puts(io,text);
1835 BIO_printf(io,"'%s' is an invalid path\r\n",p);
1836 break;
1837 }
1838
1839 #if 0
1840 /* append if a directory lookup */
1841 if (e[-1] == '/')
1842 strcat(p,"index.html");
1843 #endif
1844
1845 /* if a directory, do the index thang */
1846 if (stat(p,&st_buf) < 0)
1847 {
1848 BIO_puts(io,text);
1849 BIO_printf(io,"Error accessing '%s'\r\n",p);
1850 ERR_print_errors(io);
1851 break;
1852 }
1853 if (S_ISDIR(st_buf.st_mode))
1854 {
1855 #if 0 /* must check buffer size */
1856 strcat(p,"/index.html");
1857 #else
1858 BIO_puts(io,text);
1859 BIO_printf(io,"'%s' is a directory\r\n",p);
1860 break;
1861 #endif
1862 }
1863
1864 if ((file=BIO_new_file(p,"r")) == NULL)
1865 {
1866 BIO_puts(io,text);
1867 BIO_printf(io,"Error opening '%s'\r\n",p);
1868 ERR_print_errors(io);
1869 break;
1870 }
1871
1872 if (!s_quiet)
1873 BIO_printf(bio_err,"FILE:%s\n",p);
1874
1875 if (www == 2)
1876 {
1877 i=strlen(p);
1878 if ( ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) ||
1879 ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) ||
1880 ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0)))
1881 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
1882 else
1883 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
1884 }
1885 /* send the file */
1886 total_bytes=0;
1887 for (;;)
1888 {
1889 i=BIO_read(file,buf,bufsize);
1890 if (i <= 0) break;
1891
1892 #ifdef RENEG
1893 total_bytes+=i;
1894 fprintf(stderr,"%d\n",i);
1895 if (total_bytes > 3*1024)
1896 {
1897 total_bytes=0;
1898 fprintf(stderr,"RENEGOTIATE\n");
1899 SSL_renegotiate(con);
1900 }
1901 #endif
1902
1903 for (j=0; j<i; )
1904 {
1905 #ifdef RENEG
1906 { static count=0; if (++count == 13) { SSL_renegotiate(con); } }
1907 #endif
1908 k=BIO_write(io,&(buf[j]),i-j);
1909 if (k <= 0)
1910 {
1911 if (!BIO_should_retry(io))
1912 goto write_error;
1913 else
1914 {
1915 BIO_printf(bio_s_out,"rwrite W BLOCK\n");
1916 }
1917 }
1918 else
1919 {
1920 j+=k;
1921 }
1922 }
1923 }
1924 write_error:
1925 BIO_free(file);
1926 break;
1927 }
1928 }
1929
1930 for (;;)
1931 {
1932 i=(int)BIO_flush(io);
1933 if (i <= 0)
1934 {
1935 if (!BIO_should_retry(io))
1936 break;
1937 }
1938 else
1939 break;
1940 }
1941 end:
1942 #if 1
1943 /* make sure we re-use sessions */
1944 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
1945 #else
1946 /* This kills performance */
1947 /* SSL_shutdown(con); A shutdown gets sent in the
1948 * BIO_free_all(io) procession */
1949 #endif
1950
1951 err:
1952
1953 if (ret >= 0)
1954 BIO_printf(bio_s_out,"ACCEPT\n");
1955
1956 if (buf != NULL) OPENSSL_free(buf);
1957 if (io != NULL) BIO_free_all(io);
1958 /* if (ssl_bio != NULL) BIO_free(ssl_bio);*/
1959 return(ret);
1960 }
1961
1962 #ifndef OPENSSL_NO_RSA
1963 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
1964 {
1965 BIGNUM *bn = NULL;
1966 static RSA *rsa_tmp=NULL;
1967
1968 if (!rsa_tmp && ((bn = BN_new()) == NULL))
1969 BIO_printf(bio_err,"Allocation error in generating RSA key\n");
1970 if (!rsa_tmp && bn)
1971 {
1972 if (!s_quiet)
1973 {
1974 BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
1975 (void)BIO_flush(bio_err);
1976 }
1977 if(!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) ||
1978 !RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL))
1979 {
1980 if(rsa_tmp) RSA_free(rsa_tmp);
1981 rsa_tmp = NULL;
1982 }
1983 if (!s_quiet)
1984 {
1985 BIO_printf(bio_err,"\n");
1986 (void)BIO_flush(bio_err);
1987 }
1988 BN_free(bn);
1989 }
1990 return(rsa_tmp);
1991 }
1992 #endif
1993
1994 #define MAX_SESSION_ID_ATTEMPTS 10
1995 static int generate_session_id(const SSL *ssl, unsigned char *id,
1996 unsigned int *id_len)
1997 {
1998 unsigned int count = 0;
1999 do {
2000 RAND_pseudo_bytes(id, *id_len);
2001 /* Prefix the session_id with the required prefix. NB: If our
2002 * prefix is too long, clip it - but there will be worse effects
2003 * anyway, eg. the server could only possibly create 1 session
2004 * ID (ie. the prefix!) so all future session negotiations will
2005 * fail due to conflicts. */
2006 memcpy(id, session_id_prefix,
2007 (strlen(session_id_prefix) < *id_len) ?
2008 strlen(session_id_prefix) : *id_len);
2009 }
2010 while(SSL_has_matching_session_id(ssl, id, *id_len) &&
2011 (++count < MAX_SESSION_ID_ATTEMPTS));
2012 if(count >= MAX_SESSION_ID_ATTEMPTS)
2013 return 0;
2014 return 1;
2015 }
FreeBSD kvm: FreeBSD sources