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Import OpenSSL-0.9.8f.
[dragonfly.git] / crypto / openssl-0.9 / apps / s_server.c
blob7c5775f81c15c3831dd27f083874952c06ab676c
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 #ifndef OPENSSL_NO_TLSEXT
242 #define TEST_CERT2 "server2.pem"
243 #endif
244 #undef PROG
245 #define PROG s_server_main
246
247 extern int verify_depth;
248
249 static char *cipher=NULL;
250 static int s_server_verify=SSL_VERIFY_NONE;
251 static int s_server_session_id_context = 1; /* anything will do */
252 static const char *s_cert_file=TEST_CERT,*s_key_file=NULL;
253 #ifndef OPENSSL_NO_TLSEXT
254 static const char *s_cert_file2=TEST_CERT2,*s_key_file2=NULL;
255 #endif
256 static char *s_dcert_file=NULL,*s_dkey_file=NULL;
257 #ifdef FIONBIO
258 static int s_nbio=0;
259 #endif
260 static int s_nbio_test=0;
261 int s_crlf=0;
262 static SSL_CTX *ctx=NULL;
263 #ifndef OPENSSL_NO_TLSEXT
264 static SSL_CTX *ctx2=NULL;
265 #endif
266 static int www=0;
267
268 static BIO *bio_s_out=NULL;
269 static int s_debug=0;
270 #ifndef OPENSSL_NO_TLSEXT
271 static int s_tlsextdebug=0;
272 #endif
273 static int s_msg=0;
274 static int s_quiet=0;
275
276 static int hack=0;
277 #ifndef OPENSSL_NO_ENGINE
278 static char *engine_id=NULL;
279 #endif
280 static const char *session_id_prefix=NULL;
281
282 static int enable_timeouts = 0;
283 #ifdef mtu
284 #undef mtu
285 #endif
286 static long mtu;
287 static int cert_chain = 0;
288
289
290 #ifdef MONOLITH
291 static void s_server_init(void)
292 {
293 accept_socket=-1;
294 cipher=NULL;
295 s_server_verify=SSL_VERIFY_NONE;
296 s_dcert_file=NULL;
297 s_dkey_file=NULL;
298 s_cert_file=TEST_CERT;
299 s_key_file=NULL;
300 #ifndef OPENSSL_NO_TLSEXT
301 s_cert_file2=TEST_CERT2;
302 s_key_file2=NULL;
303 ctx2=NULL;
304 #endif
305 #ifdef FIONBIO
306 s_nbio=0;
307 #endif
308 s_nbio_test=0;
309 ctx=NULL;
310 www=0;
311
312 bio_s_out=NULL;
313 s_debug=0;
314 s_msg=0;
315 s_quiet=0;
316 hack=0;
317 #ifndef OPENSSL_NO_ENGINE
318 engine_id=NULL;
319 #endif
320 }
321 #endif
322
323 static void sv_usage(void)
324 {
325 BIO_printf(bio_err,"usage: s_server [args ...]\n");
326 BIO_printf(bio_err,"\n");
327 BIO_printf(bio_err," -accept arg - port to accept on (default is %d)\n",PORT);
328 BIO_printf(bio_err," -context arg - set session ID context\n");
329 BIO_printf(bio_err," -verify arg - turn on peer certificate verification\n");
330 BIO_printf(bio_err," -Verify arg - turn on peer certificate verification, must have a cert.\n");
331 BIO_printf(bio_err," -cert arg - certificate file to use\n");
332 BIO_printf(bio_err," (default is %s)\n",TEST_CERT);
333 BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
334 BIO_printf(bio_err," -key arg - Private Key file to use, in cert file if\n");
335 BIO_printf(bio_err," not specified (default is %s)\n",TEST_CERT);
336 BIO_printf(bio_err," -keyform arg - key format (PEM, DER or ENGINE) PEM default\n");
337 BIO_printf(bio_err," -pass arg - private key file pass phrase source\n");
338 BIO_printf(bio_err," -dcert arg - second certificate file to use (usually for DSA)\n");
339 BIO_printf(bio_err," -dcertform x - second certificate format (PEM or DER) PEM default\n");
340 BIO_printf(bio_err," -dkey arg - second private key file to use (usually for DSA)\n");
341 BIO_printf(bio_err," -dkeyform arg - second key format (PEM, DER or ENGINE) PEM default\n");
342 BIO_printf(bio_err," -dpass arg - second private key file pass phrase source\n");
343 BIO_printf(bio_err," -dhparam arg - DH parameter file to use, in cert file if not specified\n");
344 BIO_printf(bio_err," or a default set of parameters is used\n");
345 #ifndef OPENSSL_NO_ECDH
346 BIO_printf(bio_err," -named_curve arg - Elliptic curve name to use for ephemeral ECDH keys.\n" \
347 " Use \"openssl ecparam -list_curves\" for all names\n" \
348 " (default is sect163r2).\n");
349 #endif
350 #ifdef FIONBIO
351 BIO_printf(bio_err," -nbio - Run with non-blocking IO\n");
352 #endif
353 BIO_printf(bio_err," -nbio_test - test with the non-blocking test bio\n");
354 BIO_printf(bio_err," -crlf - convert LF from terminal into CRLF\n");
355 BIO_printf(bio_err," -debug - Print more output\n");
356 BIO_printf(bio_err," -msg - Show protocol messages\n");
357 BIO_printf(bio_err," -state - Print the SSL states\n");
358 BIO_printf(bio_err," -CApath arg - PEM format directory of CA's\n");
359 BIO_printf(bio_err," -CAfile arg - PEM format file of CA's\n");
360 BIO_printf(bio_err," -nocert - Don't use any certificates (Anon-DH)\n");
361 BIO_printf(bio_err," -cipher arg - play with 'openssl ciphers' to see what goes here\n");
362 BIO_printf(bio_err," -serverpref - Use server's cipher preferences\n");
363 BIO_printf(bio_err," -quiet - No server output\n");
364 BIO_printf(bio_err," -no_tmp_rsa - Do not generate a tmp RSA key\n");
365 BIO_printf(bio_err," -ssl2 - Just talk SSLv2\n");
366 BIO_printf(bio_err," -ssl3 - Just talk SSLv3\n");
367 BIO_printf(bio_err," -tls1 - Just talk TLSv1\n");
368 BIO_printf(bio_err," -dtls1 - Just talk DTLSv1\n");
369 BIO_printf(bio_err," -timeout - Enable timeouts\n");
370 BIO_printf(bio_err," -mtu - Set MTU\n");
371 BIO_printf(bio_err," -chain - Read a certificate chain\n");
372 BIO_printf(bio_err," -no_ssl2 - Just disable SSLv2\n");
373 BIO_printf(bio_err," -no_ssl3 - Just disable SSLv3\n");
374 BIO_printf(bio_err," -no_tls1 - Just disable TLSv1\n");
375 #ifndef OPENSSL_NO_DH
376 BIO_printf(bio_err," -no_dhe - Disable ephemeral DH\n");
377 #endif
378 #ifndef OPENSSL_NO_ECDH
379 BIO_printf(bio_err," -no_ecdhe - Disable ephemeral ECDH\n");
380 #endif
381 BIO_printf(bio_err," -bugs - Turn on SSL bug compatibility\n");
382 BIO_printf(bio_err," -www - Respond to a 'GET /' with a status page\n");
383 BIO_printf(bio_err," -WWW - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
384 BIO_printf(bio_err," -HTTP - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
385 BIO_printf(bio_err," with the assumption it contains a complete HTTP response.\n");
386 #ifndef OPENSSL_NO_ENGINE
387 BIO_printf(bio_err," -engine id - Initialise and use the specified engine\n");
388 #endif
389 BIO_printf(bio_err," -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n");
390 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
391 #ifndef OPENSSL_NO_TLSEXT
392 BIO_printf(bio_err," -servername host - servername for HostName TLS extension\n");
393 BIO_printf(bio_err," -servername_fatal - on mismatch send fatal alert (default warning alert)\n");
394 BIO_printf(bio_err," -cert2 arg - certificate file to use for servername\n");
395 BIO_printf(bio_err," (default is %s)\n",TEST_CERT2);
396 BIO_printf(bio_err," -key2 arg - Private Key file to use for servername, in cert file if\n");
397 BIO_printf(bio_err," not specified (default is %s)\n",TEST_CERT2);
398 BIO_printf(bio_err," -tlsextdebug - hex dump of all TLS extensions received\n");
399 BIO_printf(bio_err," -no_ticket - disable use of RFC4507bis session tickets\n");
400 #endif
401 }
402
403 static int local_argc=0;
404 static char **local_argv;
405
406 #ifdef CHARSET_EBCDIC
407 static int ebcdic_new(BIO *bi);
408 static int ebcdic_free(BIO *a);
409 static int ebcdic_read(BIO *b, char *out, int outl);
410 static int ebcdic_write(BIO *b, const char *in, int inl);
411 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
412 static int ebcdic_gets(BIO *bp, char *buf, int size);
413 static int ebcdic_puts(BIO *bp, const char *str);
414
415 #define BIO_TYPE_EBCDIC_FILTER (18|0x0200)
416 static BIO_METHOD methods_ebcdic=
417 {
418 BIO_TYPE_EBCDIC_FILTER,
419 "EBCDIC/ASCII filter",
420 ebcdic_write,
421 ebcdic_read,
422 ebcdic_puts,
423 ebcdic_gets,
424 ebcdic_ctrl,
425 ebcdic_new,
426 ebcdic_free,
427 };
428
429 typedef struct
430 {
431 size_t alloced;
432 char buff[1];
433 } EBCDIC_OUTBUFF;
434
435 BIO_METHOD *BIO_f_ebcdic_filter()
436 {
437 return(&methods_ebcdic);
438 }
439
440 static int ebcdic_new(BIO *bi)
441 {
442 EBCDIC_OUTBUFF *wbuf;
443
444 wbuf = (EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024);
445 wbuf->alloced = 1024;
446 wbuf->buff[0] = '\0';
447
448 bi->ptr=(char *)wbuf;
449 bi->init=1;
450 bi->flags=0;
451 return(1);
452 }
453
454 static int ebcdic_free(BIO *a)
455 {
456 if (a == NULL) return(0);
457 if (a->ptr != NULL)
458 OPENSSL_free(a->ptr);
459 a->ptr=NULL;
460 a->init=0;
461 a->flags=0;
462 return(1);
463 }
464
465 static int ebcdic_read(BIO *b, char *out, int outl)
466 {
467 int ret=0;
468
469 if (out == NULL || outl == 0) return(0);
470 if (b->next_bio == NULL) return(0);
471
472 ret=BIO_read(b->next_bio,out,outl);
473 if (ret > 0)
474 ascii2ebcdic(out,out,ret);
475 return(ret);
476 }
477
478 static int ebcdic_write(BIO *b, const char *in, int inl)
479 {
480 EBCDIC_OUTBUFF *wbuf;
481 int ret=0;
482 int num;
483 unsigned char n;
484
485 if ((in == NULL) || (inl <= 0)) return(0);
486 if (b->next_bio == NULL) return(0);
487
488 wbuf=(EBCDIC_OUTBUFF *)b->ptr;
489
490 if (inl > (num = wbuf->alloced))
491 {
492 num = num + num; /* double the size */
493 if (num < inl)
494 num = inl;
495 OPENSSL_free(wbuf);
496 wbuf=(EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num);
497
498 wbuf->alloced = num;
499 wbuf->buff[0] = '\0';
500
501 b->ptr=(char *)wbuf;
502 }
503
504 ebcdic2ascii(wbuf->buff, in, inl);
505
506 ret=BIO_write(b->next_bio, wbuf->buff, inl);
507
508 return(ret);
509 }
510
511 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
512 {
513 long ret;
514
515 if (b->next_bio == NULL) return(0);
516 switch (cmd)
517 {
518 case BIO_CTRL_DUP:
519 ret=0L;
520 break;
521 default:
522 ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
523 break;
524 }
525 return(ret);
526 }
527
528 static int ebcdic_gets(BIO *bp, char *buf, int size)
529 {
530 int i, ret=0;
531 if (bp->next_bio == NULL) return(0);
532 /* return(BIO_gets(bp->next_bio,buf,size));*/
533 for (i=0; i<size-1; ++i)
534 {
535 ret = ebcdic_read(bp,&buf[i],1);
536 if (ret <= 0)
537 break;
538 else if (buf[i] == '\n')
539 {
540 ++i;
541 break;
542 }
543 }
544 if (i < size)
545 buf[i] = '\0';
546 return (ret < 0 && i == 0) ? ret : i;
547 }
548
549 static int ebcdic_puts(BIO *bp, const char *str)
550 {
551 if (bp->next_bio == NULL) return(0);
552 return ebcdic_write(bp, str, strlen(str));
553 }
554 #endif
555
556 #ifndef OPENSSL_NO_TLSEXT
557
558 /* This is a context that we pass to callbacks */
559 typedef struct tlsextctx_st {
560 char * servername;
561 BIO * biodebug;
562 int extension_error;
563 } tlsextctx;
564
565
566 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
567 {
568 tlsextctx * p = (tlsextctx *) arg;
569 const char * servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
570 if (servername && p->biodebug)
571 BIO_printf(p->biodebug,"Hostname in TLS extension: \"%s\"\n",servername);
572
573 if (!p->servername)
574 return SSL_TLSEXT_ERR_NOACK;
575
576 if (servername)
577 {
578 if (strcmp(servername,p->servername))
579 return p->extension_error;
580 if (ctx2)
581 {
582 BIO_printf(p->biodebug,"Swiching server context.\n");
583 SSL_set_SSL_CTX(s,ctx2);
584 }
585 }
586 return SSL_TLSEXT_ERR_OK;
587 }
588 #endif
589 int MAIN(int, char **);
590
591 int MAIN(int argc, char *argv[])
592 {
593 X509_STORE *store = NULL;
594 int vflags = 0;
595 short port=PORT;
596 char *CApath=NULL,*CAfile=NULL;
597 unsigned char *context = NULL;
598 char *dhfile = NULL;
599 #ifndef OPENSSL_NO_ECDH
600 char *named_curve = NULL;
601 #endif
602 int badop=0,bugs=0;
603 int ret=1;
604 int off=0;
605 int no_tmp_rsa=0,no_dhe=0,no_ecdhe=0,nocert=0;
606 int state=0;
607 SSL_METHOD *meth=NULL;
608 int socket_type=SOCK_STREAM;
609 #ifndef OPENSSL_NO_ENGINE
610 ENGINE *e=NULL;
611 #endif
612 char *inrand=NULL;
613 int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
614 char *passarg = NULL, *pass = NULL;
615 char *dpassarg = NULL, *dpass = NULL;
616 int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
617 X509 *s_cert = NULL, *s_dcert = NULL;
618 EVP_PKEY *s_key = NULL, *s_dkey = NULL;
619 #ifndef OPENSSL_NO_TLSEXT
620 EVP_PKEY *s_key2 = NULL;
621 X509 *s_cert2 = NULL;
622 #endif
623
624 #ifndef OPENSSL_NO_TLSEXT
625 tlsextctx tlsextcbp = {NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING};
626 #endif
627
628 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
629 meth=SSLv23_server_method();
630 #elif !defined(OPENSSL_NO_SSL3)
631 meth=SSLv3_server_method();
632 #elif !defined(OPENSSL_NO_SSL2)
633 meth=SSLv2_server_method();
634 #endif
635
636 local_argc=argc;
637 local_argv=argv;
638
639 apps_startup();
640 #ifdef MONOLITH
641 s_server_init();
642 #endif
643
644 if (bio_err == NULL)
645 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
646
647 if (!load_config(bio_err, NULL))
648 goto end;
649
650 verify_depth=0;
651 #ifdef FIONBIO
652 s_nbio=0;
653 #endif
654 s_nbio_test=0;
655
656 argc--;
657 argv++;
658
659 while (argc >= 1)
660 {
661 if ((strcmp(*argv,"-port") == 0) ||
662 (strcmp(*argv,"-accept") == 0))
663 {
664 if (--argc < 1) goto bad;
665 if (!extract_port(*(++argv),&port))
666 goto bad;
667 }
668 else if (strcmp(*argv,"-verify") == 0)
669 {
670 s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
671 if (--argc < 1) goto bad;
672 verify_depth=atoi(*(++argv));
673 BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
674 }
675 else if (strcmp(*argv,"-Verify") == 0)
676 {
677 s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT|
678 SSL_VERIFY_CLIENT_ONCE;
679 if (--argc < 1) goto bad;
680 verify_depth=atoi(*(++argv));
681 BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth);
682 }
683 else if (strcmp(*argv,"-context") == 0)
684 {
685 if (--argc < 1) goto bad;
686 context= (unsigned char *)*(++argv);
687 }
688 else if (strcmp(*argv,"-cert") == 0)
689 {
690 if (--argc < 1) goto bad;
691 s_cert_file= *(++argv);
692 }
693 else if (strcmp(*argv,"-certform") == 0)
694 {
695 if (--argc < 1) goto bad;
696 s_cert_format = str2fmt(*(++argv));
697 }
698 else if (strcmp(*argv,"-key") == 0)
699 {
700 if (--argc < 1) goto bad;
701 s_key_file= *(++argv);
702 }
703 else if (strcmp(*argv,"-keyform") == 0)
704 {
705 if (--argc < 1) goto bad;
706 s_key_format = str2fmt(*(++argv));
707 }
708 else if (strcmp(*argv,"-pass") == 0)
709 {
710 if (--argc < 1) goto bad;
711 passarg = *(++argv);
712 }
713 else if (strcmp(*argv,"-dhparam") == 0)
714 {
715 if (--argc < 1) goto bad;
716 dhfile = *(++argv);
717 }
718 #ifndef OPENSSL_NO_ECDH
719 else if (strcmp(*argv,"-named_curve") == 0)
720 {
721 if (--argc < 1) goto bad;
722 named_curve = *(++argv);
723 }
724 #endif
725 else if (strcmp(*argv,"-dcertform") == 0)
726 {
727 if (--argc < 1) goto bad;
728 s_dcert_format = str2fmt(*(++argv));
729 }
730 else if (strcmp(*argv,"-dcert") == 0)
731 {
732 if (--argc < 1) goto bad;
733 s_dcert_file= *(++argv);
734 }
735 else if (strcmp(*argv,"-dkeyform") == 0)
736 {
737 if (--argc < 1) goto bad;
738 s_dkey_format = str2fmt(*(++argv));
739 }
740 else if (strcmp(*argv,"-dpass") == 0)
741 {
742 if (--argc < 1) goto bad;
743 dpassarg = *(++argv);
744 }
745 else if (strcmp(*argv,"-dkey") == 0)
746 {
747 if (--argc < 1) goto bad;
748 s_dkey_file= *(++argv);
749 }
750 else if (strcmp(*argv,"-nocert") == 0)
751 {
752 nocert=1;
753 }
754 else if (strcmp(*argv,"-CApath") == 0)
755 {
756 if (--argc < 1) goto bad;
757 CApath= *(++argv);
758 }
759 else if (strcmp(*argv,"-crl_check") == 0)
760 {
761 vflags |= X509_V_FLAG_CRL_CHECK;
762 }
763 else if (strcmp(*argv,"-crl_check") == 0)
764 {
765 vflags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;
766 }
767 else if (strcmp(*argv,"-serverpref") == 0)
768 { off|=SSL_OP_CIPHER_SERVER_PREFERENCE; }
769 else if (strcmp(*argv,"-cipher") == 0)
770 {
771 if (--argc < 1) goto bad;
772 cipher= *(++argv);
773 }
774 else if (strcmp(*argv,"-CAfile") == 0)
775 {
776 if (--argc < 1) goto bad;
777 CAfile= *(++argv);
778 }
779 #ifdef FIONBIO
780 else if (strcmp(*argv,"-nbio") == 0)
781 { s_nbio=1; }
782 #endif
783 else if (strcmp(*argv,"-nbio_test") == 0)
784 {
785 #ifdef FIONBIO
786 s_nbio=1;
787 #endif
788 s_nbio_test=1;
789 }
790 else if (strcmp(*argv,"-debug") == 0)
791 { s_debug=1; }
792 #ifndef OPENSSL_NO_TLSEXT
793 else if (strcmp(*argv,"-tlsextdebug") == 0)
794 s_tlsextdebug=1;
795 #endif
796 else if (strcmp(*argv,"-msg") == 0)
797 { s_msg=1; }
798 else if (strcmp(*argv,"-hack") == 0)
799 { hack=1; }
800 else if (strcmp(*argv,"-state") == 0)
801 { state=1; }
802 else if (strcmp(*argv,"-crlf") == 0)
803 { s_crlf=1; }
804 else if (strcmp(*argv,"-quiet") == 0)
805 { s_quiet=1; }
806 else if (strcmp(*argv,"-bugs") == 0)
807 { bugs=1; }
808 else if (strcmp(*argv,"-no_tmp_rsa") == 0)
809 { no_tmp_rsa=1; }
810 else if (strcmp(*argv,"-no_dhe") == 0)
811 { no_dhe=1; }
812 else if (strcmp(*argv,"-no_ecdhe") == 0)
813 { no_ecdhe=1; }
814 else if (strcmp(*argv,"-www") == 0)
815 { www=1; }
816 else if (strcmp(*argv,"-WWW") == 0)
817 { www=2; }
818 else if (strcmp(*argv,"-HTTP") == 0)
819 { www=3; }
820 else if (strcmp(*argv,"-no_ssl2") == 0)
821 { off|=SSL_OP_NO_SSLv2; }
822 else if (strcmp(*argv,"-no_ssl3") == 0)
823 { off|=SSL_OP_NO_SSLv3; }
824 else if (strcmp(*argv,"-no_tls1") == 0)
825 { off|=SSL_OP_NO_TLSv1; }
826 #ifndef OPENSSL_NO_TLSEXT
827 else if (strcmp(*argv,"-no_ticket") == 0)
828 { off|=SSL_OP_NO_TICKET; }
829 #endif
830 #ifndef OPENSSL_NO_SSL2
831 else if (strcmp(*argv,"-ssl2") == 0)
832 { meth=SSLv2_server_method(); }
833 #endif
834 #ifndef OPENSSL_NO_SSL3
835 else if (strcmp(*argv,"-ssl3") == 0)
836 { meth=SSLv3_server_method(); }
837 #endif
838 #ifndef OPENSSL_NO_TLS1
839 else if (strcmp(*argv,"-tls1") == 0)
840 { meth=TLSv1_server_method(); }
841 #endif
842 #ifndef OPENSSL_NO_DTLS1
843 else if (strcmp(*argv,"-dtls1") == 0)
844 {
845 meth=DTLSv1_server_method();
846 socket_type = SOCK_DGRAM;
847 }
848 else if (strcmp(*argv,"-timeout") == 0)
849 enable_timeouts = 1;
850 else if (strcmp(*argv,"-mtu") == 0)
851 {
852 if (--argc < 1) goto bad;
853 mtu = atol(*(++argv));
854 }
855 else if (strcmp(*argv, "-chain") == 0)
856 cert_chain = 1;
857 #endif
858 else if (strcmp(*argv, "-id_prefix") == 0)
859 {
860 if (--argc < 1) goto bad;
861 session_id_prefix = *(++argv);
862 }
863 #ifndef OPENSSL_NO_ENGINE
864 else if (strcmp(*argv,"-engine") == 0)
865 {
866 if (--argc < 1) goto bad;
867 engine_id= *(++argv);
868 }
869 #endif
870 else if (strcmp(*argv,"-rand") == 0)
871 {
872 if (--argc < 1) goto bad;
873 inrand= *(++argv);
874 }
875 #ifndef OPENSSL_NO_TLSEXT
876 else if (strcmp(*argv,"-servername") == 0)
877 {
878 if (--argc < 1) goto bad;
879 tlsextcbp.servername= *(++argv);
880 }
881 else if (strcmp(*argv,"-servername_fatal") == 0)
882 { tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL; }
883 else if (strcmp(*argv,"-cert2") == 0)
884 {
885 if (--argc < 1) goto bad;
886 s_cert_file2= *(++argv);
887 }
888 else if (strcmp(*argv,"-key2") == 0)
889 {
890 if (--argc < 1) goto bad;
891 s_key_file2= *(++argv);
892 }
893 #endif
894 else
895 {
896 BIO_printf(bio_err,"unknown option %s\n",*argv);
897 badop=1;
898 break;
899 }
900 argc--;
901 argv++;
902 }
903 if (badop)
904 {
905 bad:
906 sv_usage();
907 goto end;
908 }
909
910 SSL_load_error_strings();
911 OpenSSL_add_ssl_algorithms();
912
913 #ifndef OPENSSL_NO_ENGINE
914 e = setup_engine(bio_err, engine_id, 1);
915 #endif
916
917 if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass))
918 {
919 BIO_printf(bio_err, "Error getting password\n");
920 goto end;
921 }
922
923
924 if (s_key_file == NULL)
925 s_key_file = s_cert_file;
926 #ifndef OPENSSL_NO_TLSEXT
927 if (s_key_file2 == NULL)
928 s_key_file2 = s_cert_file2;
929 #endif
930
931 if (nocert == 0)
932 {
933 s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e,
934 "server certificate private key file");
935 if (!s_key)
936 {
937 ERR_print_errors(bio_err);
938 goto end;
939 }
940
941 s_cert = load_cert(bio_err,s_cert_file,s_cert_format,
942 NULL, e, "server certificate file");
943
944 if (!s_cert)
945 {
946 ERR_print_errors(bio_err);
947 goto end;
948 }
949
950 #ifndef OPENSSL_NO_TLSEXT
951 if (tlsextcbp.servername)
952 {
953 s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e,
954 "second server certificate private key file");
955 if (!s_key2)
956 {
957 ERR_print_errors(bio_err);
958 goto end;
959 }
960
961 s_cert2 = load_cert(bio_err,s_cert_file2,s_cert_format,
962 NULL, e, "second server certificate file");
963
964 if (!s_cert2)
965 {
966 ERR_print_errors(bio_err);
967 goto end;
968 }
969 }
970 #endif
971 }
972 if (s_dcert_file)
973 {
974
975 if (s_dkey_file == NULL)
976 s_dkey_file = s_dcert_file;
977
978 s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format,
979 0, dpass, e,
980 "second certificate private key file");
981 if (!s_dkey)
982 {
983 ERR_print_errors(bio_err);
984 goto end;
985 }
986
987 s_dcert = load_cert(bio_err,s_dcert_file,s_dcert_format,
988 NULL, e, "second server certificate file");
989
990 if (!s_dcert)
991 {
992 ERR_print_errors(bio_err);
993 goto end;
994 }
995
996 }
997
998 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
999 && !RAND_status())
1000 {
1001 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
1002 }
1003 if (inrand != NULL)
1004 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
1005 app_RAND_load_files(inrand));
1006
1007 if (bio_s_out == NULL)
1008 {
1009 if (s_quiet && !s_debug && !s_msg)
1010 {
1011 bio_s_out=BIO_new(BIO_s_null());
1012 }
1013 else
1014 {
1015 if (bio_s_out == NULL)
1016 bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE);
1017 }
1018 }
1019
1020 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA)
1021 if (nocert)
1022 #endif
1023 {
1024 s_cert_file=NULL;
1025 s_key_file=NULL;
1026 s_dcert_file=NULL;
1027 s_dkey_file=NULL;
1028 #ifndef OPENSSL_NO_TLSEXT
1029 s_cert_file2=NULL;
1030 s_key_file2=NULL;
1031 #endif
1032 }
1033
1034 ctx=SSL_CTX_new(meth);
1035 if (ctx == NULL)
1036 {
1037 ERR_print_errors(bio_err);
1038 goto end;
1039 }
1040 if (session_id_prefix)
1041 {
1042 if(strlen(session_id_prefix) >= 32)
1043 BIO_printf(bio_err,
1044 "warning: id_prefix is too long, only one new session will be possible\n");
1045 else if(strlen(session_id_prefix) >= 16)
1046 BIO_printf(bio_err,
1047 "warning: id_prefix is too long if you use SSLv2\n");
1048 if(!SSL_CTX_set_generate_session_id(ctx, generate_session_id))
1049 {
1050 BIO_printf(bio_err,"error setting 'id_prefix'\n");
1051 ERR_print_errors(bio_err);
1052 goto end;
1053 }
1054 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1055 }
1056 SSL_CTX_set_quiet_shutdown(ctx,1);
1057 if (bugs) SSL_CTX_set_options(ctx,SSL_OP_ALL);
1058 if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1059 SSL_CTX_set_options(ctx,off);
1060 /* DTLS: partial reads end up discarding unread UDP bytes :-(
1061 * Setting read ahead solves this problem.
1062 */
1063 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1064
1065 if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1066
1067 SSL_CTX_sess_set_cache_size(ctx,128);
1068
1069 #if 0
1070 if (cipher == NULL) cipher=getenv("SSL_CIPHER");
1071 #endif
1072
1073 #if 0
1074 if (s_cert_file == NULL)
1075 {
1076 BIO_printf(bio_err,"You must specify a certificate file for the server to use\n");
1077 goto end;
1078 }
1079 #endif
1080
1081 if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
1082 (!SSL_CTX_set_default_verify_paths(ctx)))
1083 {
1084 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
1085 ERR_print_errors(bio_err);
1086 /* goto end; */
1087 }
1088 store = SSL_CTX_get_cert_store(ctx);
1089 X509_STORE_set_flags(store, vflags);
1090 #ifndef OPENSSL_NO_TLSEXT
1091 if (s_cert2)
1092 {
1093 ctx2=SSL_CTX_new(meth);
1094 if (ctx2 == NULL)
1095 {
1096 ERR_print_errors(bio_err);
1097 goto end;
1098 }
1099 }
1100
1101 if (ctx2)
1102 {
1103 BIO_printf(bio_s_out,"Setting secondary ctx parameters\n");
1104
1105 if (session_id_prefix)
1106 {
1107 if(strlen(session_id_prefix) >= 32)
1108 BIO_printf(bio_err,
1109 "warning: id_prefix is too long, only one new session will be possible\n");
1110 else if(strlen(session_id_prefix) >= 16)
1111 BIO_printf(bio_err,
1112 "warning: id_prefix is too long if you use SSLv2\n");
1113 if(!SSL_CTX_set_generate_session_id(ctx2, generate_session_id))
1114 {
1115 BIO_printf(bio_err,"error setting 'id_prefix'\n");
1116 ERR_print_errors(bio_err);
1117 goto end;
1118 }
1119 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1120 }
1121 SSL_CTX_set_quiet_shutdown(ctx2,1);
1122 if (bugs) SSL_CTX_set_options(ctx2,SSL_OP_ALL);
1123 if (hack) SSL_CTX_set_options(ctx2,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1124 SSL_CTX_set_options(ctx2,off);
1125
1126 /* DTLS: partial reads end up discarding unread UDP bytes :-(
1127 * Setting read ahead solves this problem.
1128 */
1129 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx2, 1);
1130
1131
1132 if (state) SSL_CTX_set_info_callback(ctx2,apps_ssl_info_callback);
1133
1134 SSL_CTX_sess_set_cache_size(ctx2,128);
1135
1136 if ((!SSL_CTX_load_verify_locations(ctx2,CAfile,CApath)) ||
1137 (!SSL_CTX_set_default_verify_paths(ctx2)))
1138 {
1139 ERR_print_errors(bio_err);
1140 }
1141 store = SSL_CTX_get_cert_store(ctx2);
1142 X509_STORE_set_flags(store, vflags);
1143 }
1144 #endif
1145
1146
1147 #ifndef OPENSSL_NO_DH
1148 if (!no_dhe)
1149 {
1150 DH *dh=NULL;
1151
1152 if (dhfile)
1153 dh = load_dh_param(dhfile);
1154 else if (s_cert_file)
1155 dh = load_dh_param(s_cert_file);
1156
1157 if (dh != NULL)
1158 {
1159 BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1160 }
1161 else
1162 {
1163 BIO_printf(bio_s_out,"Using default temp DH parameters\n");
1164 dh=get_dh512();
1165 }
1166 (void)BIO_flush(bio_s_out);
1167
1168 SSL_CTX_set_tmp_dh(ctx,dh);
1169 #ifndef OPENSSL_NO_TLSEXT
1170 if (ctx2)
1171 {
1172 if (!dhfile)
1173 {
1174 DH *dh2=load_dh_param(s_cert_file2);
1175 if (dh2 != NULL)
1176 {
1177 BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1178 (void)BIO_flush(bio_s_out);
1179
1180 DH_free(dh);
1181 dh = dh2;
1182 }
1183 }
1184 SSL_CTX_set_tmp_dh(ctx2,dh);
1185 }
1186 #endif
1187 DH_free(dh);
1188 }
1189 #endif
1190
1191 #ifndef OPENSSL_NO_ECDH
1192 if (!no_ecdhe)
1193 {
1194 EC_KEY *ecdh=NULL;
1195
1196 if (named_curve)
1197 {
1198 int nid = OBJ_sn2nid(named_curve);
1199
1200 if (nid == 0)
1201 {
1202 BIO_printf(bio_err, "unknown curve name (%s)\n",
1203 named_curve);
1204 goto end;
1205 }
1206 ecdh = EC_KEY_new_by_curve_name(nid);
1207 if (ecdh == NULL)
1208 {
1209 BIO_printf(bio_err, "unable to create curve (%s)\n",
1210 named_curve);
1211 goto end;
1212 }
1213 }
1214
1215 if (ecdh != NULL)
1216 {
1217 BIO_printf(bio_s_out,"Setting temp ECDH parameters\n");
1218 }
1219 else
1220 {
1221 BIO_printf(bio_s_out,"Using default temp ECDH parameters\n");
1222 ecdh = EC_KEY_new_by_curve_name(NID_sect163r2);
1223 if (ecdh == NULL)
1224 {
1225 BIO_printf(bio_err, "unable to create curve (sect163r2)\n");
1226 goto end;
1227 }
1228 }
1229 (void)BIO_flush(bio_s_out);
1230
1231 SSL_CTX_set_tmp_ecdh(ctx,ecdh);
1232 #ifndef OPENSSL_NO_TLSEXT
1233 if (ctx2)
1234 SSL_CTX_set_tmp_ecdh(ctx2,ecdh);
1235 #endif
1236 EC_KEY_free(ecdh);
1237 }
1238 #endif
1239
1240 if (!set_cert_key_stuff(ctx,s_cert,s_key))
1241 goto end;
1242 #ifndef OPENSSL_NO_TLSEXT
1243 if (ctx2 && !set_cert_key_stuff(ctx2,s_cert2,s_key2))
1244 goto end;
1245 #endif
1246 if (s_dcert != NULL)
1247 {
1248 if (!set_cert_key_stuff(ctx,s_dcert,s_dkey))
1249 goto end;
1250 }
1251
1252 #ifndef OPENSSL_NO_RSA
1253 #if 1
1254 if (!no_tmp_rsa)
1255 {
1256 SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
1257 #ifndef OPENSSL_NO_TLSEXT
1258 if (ctx2)
1259 SSL_CTX_set_tmp_rsa_callback(ctx2,tmp_rsa_cb);
1260 #endif
1261 }
1262 #else
1263 if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx))
1264 {
1265 RSA *rsa;
1266
1267 BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key...");
1268 BIO_flush(bio_s_out);
1269
1270 rsa=RSA_generate_key(512,RSA_F4,NULL);
1271
1272 if (!SSL_CTX_set_tmp_rsa(ctx,rsa))
1273 {
1274 ERR_print_errors(bio_err);
1275 goto end;
1276 }
1277 #ifndef OPENSSL_NO_TLSEXT
1278 if (ctx2)
1279 {
1280 if (!SSL_CTX_set_tmp_rsa(ctx2,rsa))
1281 {
1282 ERR_print_errors(bio_err);
1283 goto end;
1284 }
1285 }
1286 #endif
1287 RSA_free(rsa);
1288 BIO_printf(bio_s_out,"\n");
1289 }
1290 #endif
1291 #endif
1292
1293 if (cipher != NULL)
1294 if(!SSL_CTX_set_cipher_list(ctx,cipher)) {
1295 BIO_printf(bio_err,"error setting cipher list\n");
1296 ERR_print_errors(bio_err);
1297 goto end;
1298 #ifndef OPENSSL_NO_TLSEXT
1299 if (ctx2 && !SSL_CTX_set_cipher_list(ctx2,cipher))
1300 {
1301 BIO_printf(bio_err,"error setting cipher list\n");
1302 ERR_print_errors(bio_err);
1303 goto end;
1304 }
1305 #endif
1306 }
1307 SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
1308 SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
1309 sizeof s_server_session_id_context);
1310
1311 #ifndef OPENSSL_NO_TLSEXT
1312 if (ctx2)
1313 {
1314 SSL_CTX_set_verify(ctx2,s_server_verify,verify_callback);
1315 SSL_CTX_set_session_id_context(ctx2,(void*)&s_server_session_id_context,
1316 sizeof s_server_session_id_context);
1317
1318 tlsextcbp.biodebug = bio_s_out;
1319 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
1320 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
1321 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1322 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1323 }
1324 #endif
1325 if (CAfile != NULL)
1326 {
1327 SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
1328 #ifndef OPENSSL_NO_TLSEXT
1329 if (ctx2)
1330 SSL_CTX_set_client_CA_list(ctx2,SSL_load_client_CA_file(CAfile));
1331 #endif
1332 }
1333 BIO_printf(bio_s_out,"ACCEPT\n");
1334 if (www)
1335 do_server(port,socket_type,&accept_socket,www_body, context);
1336 else
1337 do_server(port,socket_type,&accept_socket,sv_body, context);
1338 print_stats(bio_s_out,ctx);
1339 ret=0;
1340 end:
1341 if (ctx != NULL) SSL_CTX_free(ctx);
1342 if (s_cert)
1343 X509_free(s_cert);
1344 if (s_dcert)
1345 X509_free(s_dcert);
1346 if (s_key)
1347 EVP_PKEY_free(s_key);
1348 if (s_dkey)
1349 EVP_PKEY_free(s_dkey);
1350 if (pass)
1351 OPENSSL_free(pass);
1352 if (dpass)
1353 OPENSSL_free(dpass);
1354 #ifndef OPENSSL_NO_TLSEXT
1355 if (ctx2 != NULL) SSL_CTX_free(ctx2);
1356 if (s_cert2)
1357 X509_free(s_cert2);
1358 if (s_key2)
1359 EVP_PKEY_free(s_key2);
1360 #endif
1361 if (bio_s_out != NULL)
1362 {
1363 BIO_free(bio_s_out);
1364 bio_s_out=NULL;
1365 }
1366 apps_shutdown();
1367 OPENSSL_EXIT(ret);
1368 }
1369
1370 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
1371 {
1372 BIO_printf(bio,"%4ld items in the session cache\n",
1373 SSL_CTX_sess_number(ssl_ctx));
1374 BIO_printf(bio,"%4ld client connects (SSL_connect())\n",
1375 SSL_CTX_sess_connect(ssl_ctx));
1376 BIO_printf(bio,"%4ld client renegotiates (SSL_connect())\n",
1377 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
1378 BIO_printf(bio,"%4ld client connects that finished\n",
1379 SSL_CTX_sess_connect_good(ssl_ctx));
1380 BIO_printf(bio,"%4ld server accepts (SSL_accept())\n",
1381 SSL_CTX_sess_accept(ssl_ctx));
1382 BIO_printf(bio,"%4ld server renegotiates (SSL_accept())\n",
1383 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
1384 BIO_printf(bio,"%4ld server accepts that finished\n",
1385 SSL_CTX_sess_accept_good(ssl_ctx));
1386 BIO_printf(bio,"%4ld session cache hits\n",SSL_CTX_sess_hits(ssl_ctx));
1387 BIO_printf(bio,"%4ld session cache misses\n",SSL_CTX_sess_misses(ssl_ctx));
1388 BIO_printf(bio,"%4ld session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx));
1389 BIO_printf(bio,"%4ld callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx));
1390 BIO_printf(bio,"%4ld cache full overflows (%ld allowed)\n",
1391 SSL_CTX_sess_cache_full(ssl_ctx),
1392 SSL_CTX_sess_get_cache_size(ssl_ctx));
1393 }
1394
1395 static int sv_body(char *hostname, int s, unsigned char *context)
1396 {
1397 char *buf=NULL;
1398 fd_set readfds;
1399 int ret=1,width;
1400 int k,i;
1401 unsigned long l;
1402 SSL *con=NULL;
1403 BIO *sbio;
1404 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
1405 struct timeval tv;
1406 #endif
1407
1408 if ((buf=OPENSSL_malloc(bufsize)) == NULL)
1409 {
1410 BIO_printf(bio_err,"out of memory\n");
1411 goto err;
1412 }
1413 #ifdef FIONBIO
1414 if (s_nbio)
1415 {
1416 unsigned long sl=1;
1417
1418 if (!s_quiet)
1419 BIO_printf(bio_err,"turning on non blocking io\n");
1420 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
1421 ERR_print_errors(bio_err);
1422 }
1423 #endif
1424
1425 if (con == NULL) {
1426 con=SSL_new(ctx);
1427 #ifndef OPENSSL_NO_TLSEXT
1428 if (s_tlsextdebug)
1429 {
1430 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1431 SSL_set_tlsext_debug_arg(con, bio_s_out);
1432 }
1433 #endif
1434 #ifndef OPENSSL_NO_KRB5
1435 if ((con->kssl_ctx = kssl_ctx_new()) != NULL)
1436 {
1437 kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVICE,
1438 KRB5SVC);
1439 kssl_ctx_setstring(con->kssl_ctx, KSSL_KEYTAB,
1440 KRB5KEYTAB);
1441 }
1442 #endif /* OPENSSL_NO_KRB5 */
1443 if(context)
1444 SSL_set_session_id_context(con, context,
1445 strlen((char *)context));
1446 }
1447 SSL_clear(con);
1448
1449 if (SSL_version(con) == DTLS1_VERSION)
1450 {
1451 struct timeval timeout;
1452
1453 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
1454
1455 if ( enable_timeouts)
1456 {
1457 timeout.tv_sec = 0;
1458 timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1459 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1460
1461 timeout.tv_sec = 0;
1462 timeout.tv_usec = DGRAM_SND_TIMEOUT;
1463 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1464 }
1465
1466
1467 if ( mtu > 0)
1468 {
1469 SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1470 SSL_set_mtu(con, mtu);
1471 }
1472 else
1473 /* want to do MTU discovery */
1474 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1475
1476 /* turn on cookie exchange */
1477 SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
1478 }
1479 else
1480 sbio=BIO_new_socket(s,BIO_NOCLOSE);
1481
1482 if (s_nbio_test)
1483 {
1484 BIO *test;
1485
1486 test=BIO_new(BIO_f_nbio_test());
1487 sbio=BIO_push(test,sbio);
1488 }
1489 SSL_set_bio(con,sbio,sbio);
1490 SSL_set_accept_state(con);
1491 /* SSL_set_fd(con,s); */
1492
1493 if (s_debug)
1494 {
1495 con->debug=1;
1496 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
1497 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
1498 }
1499 if (s_msg)
1500 {
1501 SSL_set_msg_callback(con, msg_cb);
1502 SSL_set_msg_callback_arg(con, bio_s_out);
1503 }
1504 #ifndef OPENSSL_NO_TLSEXT
1505 if (s_tlsextdebug)
1506 {
1507 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1508 SSL_set_tlsext_debug_arg(con, bio_s_out);
1509 }
1510 #endif
1511
1512 width=s+1;
1513 for (;;)
1514 {
1515 int read_from_terminal;
1516 int read_from_sslcon;
1517
1518 read_from_terminal = 0;
1519 read_from_sslcon = SSL_pending(con);
1520
1521 if (!read_from_sslcon)
1522 {
1523 FD_ZERO(&readfds);
1524 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE)
1525 FD_SET(fileno(stdin),&readfds);
1526 #endif
1527 FD_SET(s,&readfds);
1528 /* Note: under VMS with SOCKETSHR the second parameter is
1529 * currently of type (int *) whereas under other systems
1530 * it is (void *) if you don't have a cast it will choke
1531 * the compiler: if you do have a cast then you can either
1532 * go for (int *) or (void *).
1533 */
1534 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
1535 /* Under DOS (non-djgpp) and Windows we can't select on stdin: only
1536 * on sockets. As a workaround we timeout the select every
1537 * second and check for any keypress. In a proper Windows
1538 * application we wouldn't do this because it is inefficient.
1539 */
1540 tv.tv_sec = 1;
1541 tv.tv_usec = 0;
1542 i=select(width,(void *)&readfds,NULL,NULL,&tv);
1543 if((i < 0) || (!i && !_kbhit() ) )continue;
1544 if(_kbhit())
1545 read_from_terminal = 1;
1546 #else
1547 i=select(width,(void *)&readfds,NULL,NULL,NULL);
1548 if (i <= 0) continue;
1549 if (FD_ISSET(fileno(stdin),&readfds))
1550 read_from_terminal = 1;
1551 #endif
1552 if (FD_ISSET(s,&readfds))
1553 read_from_sslcon = 1;
1554 }
1555 if (read_from_terminal)
1556 {
1557 if (s_crlf)
1558 {
1559 int j, lf_num;
1560
1561 i=read(fileno(stdin), buf, bufsize/2);
1562 lf_num = 0;
1563 /* both loops are skipped when i <= 0 */
1564 for (j = 0; j < i; j++)
1565 if (buf[j] == '\n')
1566 lf_num++;
1567 for (j = i-1; j >= 0; j--)
1568 {
1569 buf[j+lf_num] = buf[j];
1570 if (buf[j] == '\n')
1571 {
1572 lf_num--;
1573 i++;
1574 buf[j+lf_num] = '\r';
1575 }
1576 }
1577 assert(lf_num == 0);
1578 }
1579 else
1580 i=read(fileno(stdin),buf,bufsize);
1581 if (!s_quiet)
1582 {
1583 if ((i <= 0) || (buf[0] == 'Q'))
1584 {
1585 BIO_printf(bio_s_out,"DONE\n");
1586 SHUTDOWN(s);
1587 close_accept_socket();
1588 ret= -11;
1589 goto err;
1590 }
1591 if ((i <= 0) || (buf[0] == 'q'))
1592 {
1593 BIO_printf(bio_s_out,"DONE\n");
1594 if (SSL_version(con) != DTLS1_VERSION)
1595 SHUTDOWN(s);
1596 /* close_accept_socket();
1597 ret= -11;*/
1598 goto err;
1599 }
1600 if ((buf[0] == 'r') &&
1601 ((buf[1] == '\n') || (buf[1] == '\r')))
1602 {
1603 SSL_renegotiate(con);
1604 i=SSL_do_handshake(con);
1605 printf("SSL_do_handshake -> %d\n",i);
1606 i=0; /*13; */
1607 continue;
1608 /* strcpy(buf,"server side RE-NEGOTIATE\n"); */
1609 }
1610 if ((buf[0] == 'R') &&
1611 ((buf[1] == '\n') || (buf[1] == '\r')))
1612 {
1613 SSL_set_verify(con,
1614 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
1615 SSL_renegotiate(con);
1616 i=SSL_do_handshake(con);
1617 printf("SSL_do_handshake -> %d\n",i);
1618 i=0; /* 13; */
1619 continue;
1620 /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
1621 }
1622 if (buf[0] == 'P')
1623 {
1624 static const char *str="Lets print some clear text\n";
1625 BIO_write(SSL_get_wbio(con),str,strlen(str));
1626 }
1627 if (buf[0] == 'S')
1628 {
1629 print_stats(bio_s_out,SSL_get_SSL_CTX(con));
1630 }
1631 }
1632 #ifdef CHARSET_EBCDIC
1633 ebcdic2ascii(buf,buf,i);
1634 #endif
1635 l=k=0;
1636 for (;;)
1637 {
1638 /* should do a select for the write */
1639 #ifdef RENEG
1640 { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
1641 #endif
1642 k=SSL_write(con,&(buf[l]),(unsigned int)i);
1643 switch (SSL_get_error(con,k))
1644 {
1645 case SSL_ERROR_NONE:
1646 break;
1647 case SSL_ERROR_WANT_WRITE:
1648 case SSL_ERROR_WANT_READ:
1649 case SSL_ERROR_WANT_X509_LOOKUP:
1650 BIO_printf(bio_s_out,"Write BLOCK\n");
1651 break;
1652 case SSL_ERROR_SYSCALL:
1653 case SSL_ERROR_SSL:
1654 BIO_printf(bio_s_out,"ERROR\n");
1655 ERR_print_errors(bio_err);
1656 ret=1;
1657 goto err;
1658 /* break; */
1659 case SSL_ERROR_ZERO_RETURN:
1660 BIO_printf(bio_s_out,"DONE\n");
1661 ret=1;
1662 goto err;
1663 }
1664 l+=k;
1665 i-=k;
1666 if (i <= 0) break;
1667 }
1668 }
1669 if (read_from_sslcon)
1670 {
1671 if (!SSL_is_init_finished(con))
1672 {
1673 i=init_ssl_connection(con);
1674
1675 if (i < 0)
1676 {
1677 ret=0;
1678 goto err;
1679 }
1680 else if (i == 0)
1681 {
1682 ret=1;
1683 goto err;
1684 }
1685 }
1686 else
1687 {
1688 again:
1689 i=SSL_read(con,(char *)buf,bufsize);
1690 switch (SSL_get_error(con,i))
1691 {
1692 case SSL_ERROR_NONE:
1693 #ifdef CHARSET_EBCDIC
1694 ascii2ebcdic(buf,buf,i);
1695 #endif
1696 write(fileno(stdout),buf,
1697 (unsigned int)i);
1698 if (SSL_pending(con)) goto again;
1699 break;
1700 case SSL_ERROR_WANT_WRITE:
1701 case SSL_ERROR_WANT_READ:
1702 case SSL_ERROR_WANT_X509_LOOKUP:
1703 BIO_printf(bio_s_out,"Read BLOCK\n");
1704 break;
1705 case SSL_ERROR_SYSCALL:
1706 case SSL_ERROR_SSL:
1707 BIO_printf(bio_s_out,"ERROR\n");
1708 ERR_print_errors(bio_err);
1709 ret=1;
1710 goto err;
1711 case SSL_ERROR_ZERO_RETURN:
1712 BIO_printf(bio_s_out,"DONE\n");
1713 ret=1;
1714 goto err;
1715 }
1716 }
1717 }
1718 }
1719 err:
1720 BIO_printf(bio_s_out,"shutting down SSL\n");
1721 #if 1
1722 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
1723 #else
1724 SSL_shutdown(con);
1725 #endif
1726 if (con != NULL) SSL_free(con);
1727 BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
1728 if (buf != NULL)
1729 {
1730 OPENSSL_cleanse(buf,bufsize);
1731 OPENSSL_free(buf);
1732 }
1733 if (ret >= 0)
1734 BIO_printf(bio_s_out,"ACCEPT\n");
1735 return(ret);
1736 }
1737
1738 static void close_accept_socket(void)
1739 {
1740 BIO_printf(bio_err,"shutdown accept socket\n");
1741 if (accept_socket >= 0)
1742 {
1743 SHUTDOWN2(accept_socket);
1744 }
1745 }
1746
1747 static int init_ssl_connection(SSL *con)
1748 {
1749 int i;
1750 const char *str;
1751 X509 *peer;
1752 long verify_error;
1753 MS_STATIC char buf[BUFSIZ];
1754
1755 if ((i=SSL_accept(con)) <= 0)
1756 {
1757 if (BIO_sock_should_retry(i))
1758 {
1759 BIO_printf(bio_s_out,"DELAY\n");
1760 return(1);
1761 }
1762
1763 BIO_printf(bio_err,"ERROR\n");
1764 verify_error=SSL_get_verify_result(con);
1765 if (verify_error != X509_V_OK)
1766 {
1767 BIO_printf(bio_err,"verify error:%s\n",
1768 X509_verify_cert_error_string(verify_error));
1769 }
1770 else
1771 ERR_print_errors(bio_err);
1772 return(0);
1773 }
1774
1775 PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con));
1776
1777 peer=SSL_get_peer_certificate(con);
1778 if (peer != NULL)
1779 {
1780 BIO_printf(bio_s_out,"Client certificate\n");
1781 PEM_write_bio_X509(bio_s_out,peer);
1782 X509_NAME_oneline(X509_get_subject_name(peer),buf,sizeof buf);
1783 BIO_printf(bio_s_out,"subject=%s\n",buf);
1784 X509_NAME_oneline(X509_get_issuer_name(peer),buf,sizeof buf);
1785 BIO_printf(bio_s_out,"issuer=%s\n",buf);
1786 X509_free(peer);
1787 }
1788
1789 if (SSL_get_shared_ciphers(con,buf,sizeof buf) != NULL)
1790 BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
1791 str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
1792 BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
1793 if (con->hit) BIO_printf(bio_s_out,"Reused session-id\n");
1794 if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
1795 TLS1_FLAGS_TLS_PADDING_BUG)
1796 BIO_printf(bio_s_out,"Peer has incorrect TLSv1 block padding\n");
1797 #ifndef OPENSSL_NO_KRB5
1798 if (con->kssl_ctx->client_princ != NULL)
1799 {
1800 BIO_printf(bio_s_out,"Kerberos peer principal is %s\n",
1801 con->kssl_ctx->client_princ);
1802 }
1803 #endif /* OPENSSL_NO_KRB5 */
1804 return(1);
1805 }
1806
1807 #ifndef OPENSSL_NO_DH
1808 static DH *load_dh_param(const char *dhfile)
1809 {
1810 DH *ret=NULL;
1811 BIO *bio;
1812
1813 if ((bio=BIO_new_file(dhfile,"r")) == NULL)
1814 goto err;
1815 ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL);
1816 err:
1817 if (bio != NULL) BIO_free(bio);
1818 return(ret);
1819 }
1820 #endif
1821
1822 #if 0
1823 static int load_CA(SSL_CTX *ctx, char *file)
1824 {
1825 FILE *in;
1826 X509 *x=NULL;
1827
1828 if ((in=fopen(file,"r")) == NULL)
1829 return(0);
1830
1831 for (;;)
1832 {
1833 if (PEM_read_X509(in,&x,NULL) == NULL)
1834 break;
1835 SSL_CTX_add_client_CA(ctx,x);
1836 }
1837 if (x != NULL) X509_free(x);
1838 fclose(in);
1839 return(1);
1840 }
1841 #endif
1842
1843 static int www_body(char *hostname, int s, unsigned char *context)
1844 {
1845 char *buf=NULL;
1846 int ret=1;
1847 int i,j,k,blank,dot;
1848 struct stat st_buf;
1849 SSL *con;
1850 SSL_CIPHER *c;
1851 BIO *io,*ssl_bio,*sbio;
1852 long total_bytes;
1853
1854 buf=OPENSSL_malloc(bufsize);
1855 if (buf == NULL) return(0);
1856 io=BIO_new(BIO_f_buffer());
1857 ssl_bio=BIO_new(BIO_f_ssl());
1858 if ((io == NULL) || (ssl_bio == NULL)) goto err;
1859
1860 #ifdef FIONBIO
1861 if (s_nbio)
1862 {
1863 unsigned long sl=1;
1864
1865 if (!s_quiet)
1866 BIO_printf(bio_err,"turning on non blocking io\n");
1867 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
1868 ERR_print_errors(bio_err);
1869 }
1870 #endif
1871
1872 /* lets make the output buffer a reasonable size */
1873 if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
1874
1875 if ((con=SSL_new(ctx)) == NULL) goto err;
1876 #ifndef OPENSSL_NO_TLSEXT
1877 if (s_tlsextdebug)
1878 {
1879 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1880 SSL_set_tlsext_debug_arg(con, bio_s_out);
1881 }
1882 #endif
1883 #ifndef OPENSSL_NO_KRB5
1884 if ((con->kssl_ctx = kssl_ctx_new()) != NULL)
1885 {
1886 kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVICE, KRB5SVC);
1887 kssl_ctx_setstring(con->kssl_ctx, KSSL_KEYTAB, KRB5KEYTAB);
1888 }
1889 #endif /* OPENSSL_NO_KRB5 */
1890 if(context) SSL_set_session_id_context(con, context,
1891 strlen((char *)context));
1892
1893 sbio=BIO_new_socket(s,BIO_NOCLOSE);
1894 if (s_nbio_test)
1895 {
1896 BIO *test;
1897
1898 test=BIO_new(BIO_f_nbio_test());
1899 sbio=BIO_push(test,sbio);
1900 }
1901 SSL_set_bio(con,sbio,sbio);
1902 SSL_set_accept_state(con);
1903
1904 /* SSL_set_fd(con,s); */
1905 BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
1906 BIO_push(io,ssl_bio);
1907 #ifdef CHARSET_EBCDIC
1908 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
1909 #endif
1910
1911 if (s_debug)
1912 {
1913 con->debug=1;
1914 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
1915 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
1916 }
1917 if (s_msg)
1918 {
1919 SSL_set_msg_callback(con, msg_cb);
1920 SSL_set_msg_callback_arg(con, bio_s_out);
1921 }
1922
1923 blank=0;
1924 for (;;)
1925 {
1926 if (hack)
1927 {
1928 i=SSL_accept(con);
1929
1930 switch (SSL_get_error(con,i))
1931 {
1932 case SSL_ERROR_NONE:
1933 break;
1934 case SSL_ERROR_WANT_WRITE:
1935 case SSL_ERROR_WANT_READ:
1936 case SSL_ERROR_WANT_X509_LOOKUP:
1937 continue;
1938 case SSL_ERROR_SYSCALL:
1939 case SSL_ERROR_SSL:
1940 case SSL_ERROR_ZERO_RETURN:
1941 ret=1;
1942 goto err;
1943 /* break; */
1944 }
1945
1946 SSL_renegotiate(con);
1947 SSL_write(con,NULL,0);
1948 }
1949
1950 i=BIO_gets(io,buf,bufsize-1);
1951 if (i < 0) /* error */
1952 {
1953 if (!BIO_should_retry(io))
1954 {
1955 if (!s_quiet)
1956 ERR_print_errors(bio_err);
1957 goto err;
1958 }
1959 else
1960 {
1961 BIO_printf(bio_s_out,"read R BLOCK\n");
1962 #if defined(OPENSSL_SYS_NETWARE)
1963 delay(1000);
1964 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__)
1965 sleep(1);
1966 #endif
1967 continue;
1968 }
1969 }
1970 else if (i == 0) /* end of input */
1971 {
1972 ret=1;
1973 goto end;
1974 }
1975
1976 /* else we have data */
1977 if ( ((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
1978 ((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
1979 {
1980 char *p;
1981 X509 *peer;
1982 STACK_OF(SSL_CIPHER) *sk;
1983 static const char *space=" ";
1984
1985 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
1986 BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n");
1987 BIO_puts(io,"<pre>\n");
1988 /* BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
1989 BIO_puts(io,"\n");
1990 for (i=0; i<local_argc; i++)
1991 {
1992 BIO_puts(io,local_argv[i]);
1993 BIO_write(io," ",1);
1994 }
1995 BIO_puts(io,"\n");
1996
1997 /* The following is evil and should not really
1998 * be done */
1999 BIO_printf(io,"Ciphers supported in s_server binary\n");
2000 sk=SSL_get_ciphers(con);
2001 j=sk_SSL_CIPHER_num(sk);
2002 for (i=0; i<j; i++)
2003 {
2004 c=sk_SSL_CIPHER_value(sk,i);
2005 BIO_printf(io,"%-11s:%-25s",
2006 SSL_CIPHER_get_version(c),
2007 SSL_CIPHER_get_name(c));
2008 if ((((i+1)%2) == 0) && (i+1 != j))
2009 BIO_puts(io,"\n");
2010 }
2011 BIO_puts(io,"\n");
2012 p=SSL_get_shared_ciphers(con,buf,bufsize);
2013 if (p != NULL)
2014 {
2015 BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
2016 j=i=0;
2017 while (*p)
2018 {
2019 if (*p == ':')
2020 {
2021 BIO_write(io,space,26-j);
2022 i++;
2023 j=0;
2024 BIO_write(io,((i%3)?" ":"\n"),1);
2025 }
2026 else
2027 {
2028 BIO_write(io,p,1);
2029 j++;
2030 }
2031 p++;
2032 }
2033 BIO_puts(io,"\n");
2034 }
2035 BIO_printf(io,((con->hit)
2036 ?"---\nReused, "
2037 :"---\nNew, "));
2038 c=SSL_get_current_cipher(con);
2039 BIO_printf(io,"%s, Cipher is %s\n",
2040 SSL_CIPHER_get_version(c),
2041 SSL_CIPHER_get_name(c));
2042 SSL_SESSION_print(io,SSL_get_session(con));
2043 BIO_printf(io,"---\n");
2044 print_stats(io,SSL_get_SSL_CTX(con));
2045 BIO_printf(io,"---\n");
2046 peer=SSL_get_peer_certificate(con);
2047 if (peer != NULL)
2048 {
2049 BIO_printf(io,"Client certificate\n");
2050 X509_print(io,peer);
2051 PEM_write_bio_X509(io,peer);
2052 }
2053 else
2054 BIO_puts(io,"no client certificate available\n");
2055 BIO_puts(io,"</BODY></HTML>\r\n\r\n");
2056 break;
2057 }
2058 else if ((www == 2 || www == 3)
2059 && (strncmp("GET /",buf,5) == 0))
2060 {
2061 BIO *file;
2062 char *p,*e;
2063 static const char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
2064
2065 /* skip the '/' */
2066 p= &(buf[5]);
2067
2068 dot = 1;
2069 for (e=p; *e != '\0'; e++)
2070 {
2071 if (e[0] == ' ')
2072 break;
2073
2074 switch (dot)
2075 {
2076 case 1:
2077 dot = (e[0] == '.') ? 2 : 0;
2078 break;
2079 case 2:
2080 dot = (e[0] == '.') ? 3 : 0;
2081 break;
2082 case 3:
2083 dot = (e[0] == '/') ? -1 : 0;
2084 break;
2085 }
2086 if (dot == 0)
2087 dot = (e[0] == '/') ? 1 : 0;
2088 }
2089 dot = (dot == 3) || (dot == -1); /* filename contains ".." component */
2090
2091 if (*e == '\0')
2092 {
2093 BIO_puts(io,text);
2094 BIO_printf(io,"'%s' is an invalid file name\r\n",p);
2095 break;
2096 }
2097 *e='\0';
2098
2099 if (dot)
2100 {
2101 BIO_puts(io,text);
2102 BIO_printf(io,"'%s' contains '..' reference\r\n",p);
2103 break;
2104 }
2105
2106 if (*p == '/')
2107 {
2108 BIO_puts(io,text);
2109 BIO_printf(io,"'%s' is an invalid path\r\n",p);
2110 break;
2111 }
2112
2113 #if 0
2114 /* append if a directory lookup */
2115 if (e[-1] == '/')
2116 strcat(p,"index.html");
2117 #endif
2118
2119 /* if a directory, do the index thang */
2120 if (stat(p,&st_buf) < 0)
2121 {
2122 BIO_puts(io,text);
2123 BIO_printf(io,"Error accessing '%s'\r\n",p);
2124 ERR_print_errors(io);
2125 break;
2126 }
2127 if (S_ISDIR(st_buf.st_mode))
2128 {
2129 #if 0 /* must check buffer size */
2130 strcat(p,"/index.html");
2131 #else
2132 BIO_puts(io,text);
2133 BIO_printf(io,"'%s' is a directory\r\n",p);
2134 break;
2135 #endif
2136 }
2137
2138 if ((file=BIO_new_file(p,"r")) == NULL)
2139 {
2140 BIO_puts(io,text);
2141 BIO_printf(io,"Error opening '%s'\r\n",p);
2142 ERR_print_errors(io);
2143 break;
2144 }
2145
2146 if (!s_quiet)
2147 BIO_printf(bio_err,"FILE:%s\n",p);
2148
2149 if (www == 2)
2150 {
2151 i=strlen(p);
2152 if ( ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) ||
2153 ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) ||
2154 ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0)))
2155 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2156 else
2157 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
2158 }
2159 /* send the file */
2160 total_bytes=0;
2161 for (;;)
2162 {
2163 i=BIO_read(file,buf,bufsize);
2164 if (i <= 0) break;
2165
2166 #ifdef RENEG
2167 total_bytes+=i;
2168 fprintf(stderr,"%d\n",i);
2169 if (total_bytes > 3*1024)
2170 {
2171 total_bytes=0;
2172 fprintf(stderr,"RENEGOTIATE\n");
2173 SSL_renegotiate(con);
2174 }
2175 #endif
2176
2177 for (j=0; j<i; )
2178 {
2179 #ifdef RENEG
2180 { static count=0; if (++count == 13) { SSL_renegotiate(con); } }
2181 #endif
2182 k=BIO_write(io,&(buf[j]),i-j);
2183 if (k <= 0)
2184 {
2185 if (!BIO_should_retry(io))
2186 goto write_error;
2187 else
2188 {
2189 BIO_printf(bio_s_out,"rwrite W BLOCK\n");
2190 }
2191 }
2192 else
2193 {
2194 j+=k;
2195 }
2196 }
2197 }
2198 write_error:
2199 BIO_free(file);
2200 break;
2201 }
2202 }
2203
2204 for (;;)
2205 {
2206 i=(int)BIO_flush(io);
2207 if (i <= 0)
2208 {
2209 if (!BIO_should_retry(io))
2210 break;
2211 }
2212 else
2213 break;
2214 }
2215 end:
2216 #if 1
2217 /* make sure we re-use sessions */
2218 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
2219 #else
2220 /* This kills performance */
2221 /* SSL_shutdown(con); A shutdown gets sent in the
2222 * BIO_free_all(io) procession */
2223 #endif
2224
2225 err:
2226
2227 if (ret >= 0)
2228 BIO_printf(bio_s_out,"ACCEPT\n");
2229
2230 if (buf != NULL) OPENSSL_free(buf);
2231 if (io != NULL) BIO_free_all(io);
2232 /* if (ssl_bio != NULL) BIO_free(ssl_bio);*/
2233 return(ret);
2234 }
2235
2236 #ifndef OPENSSL_NO_RSA
2237 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
2238 {
2239 BIGNUM *bn = NULL;
2240 static RSA *rsa_tmp=NULL;
2241
2242 if (!rsa_tmp && ((bn = BN_new()) == NULL))
2243 BIO_printf(bio_err,"Allocation error in generating RSA key\n");
2244 if (!rsa_tmp && bn)
2245 {
2246 if (!s_quiet)
2247 {
2248 BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
2249 (void)BIO_flush(bio_err);
2250 }
2251 if(!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) ||
2252 !RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL))
2253 {
2254 if(rsa_tmp) RSA_free(rsa_tmp);
2255 rsa_tmp = NULL;
2256 }
2257 if (!s_quiet)
2258 {
2259 BIO_printf(bio_err,"\n");
2260 (void)BIO_flush(bio_err);
2261 }
2262 BN_free(bn);
2263 }
2264 return(rsa_tmp);
2265 }
2266 #endif
2267
2268 #define MAX_SESSION_ID_ATTEMPTS 10
2269 static int generate_session_id(const SSL *ssl, unsigned char *id,
2270 unsigned int *id_len)
2271 {
2272 unsigned int count = 0;
2273 do {
2274 RAND_pseudo_bytes(id, *id_len);
2275 /* Prefix the session_id with the required prefix. NB: If our
2276 * prefix is too long, clip it - but there will be worse effects
2277 * anyway, eg. the server could only possibly create 1 session
2278 * ID (ie. the prefix!) so all future session negotiations will
2279 * fail due to conflicts. */
2280 memcpy(id, session_id_prefix,
2281 (strlen(session_id_prefix) < *id_len) ?
2282 strlen(session_id_prefix) : *id_len);
2283 }
2284 while(SSL_has_matching_session_id(ssl, id, *id_len) &&
2285 (++count < MAX_SESSION_ID_ATTEMPTS));
2286 if(count >= MAX_SESSION_ID_ATTEMPTS)
2287 return 0;
2288 return 1;
2289 }
DragonFly BSD