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Import OpenSSL-0.9.8i.
[dragonfly.git] / crypto / openssl-0.9.7d / apps / s_server.c
blobff4ab6ef28b9d8e50e6dc342de5c22de1d38c981
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 #include <assert.h>
113 #include <stdio.h>
114 #include <stdlib.h>
115 #include <string.h>
116 #include <sys/types.h>
117 #include <sys/stat.h>
118 #include <openssl/e_os2.h>
119 #ifdef OPENSSL_NO_STDIO
120 #define APPS_WIN16
121 #endif
122
123 /* With IPv6, it looks like Digital has mixed up the proper order of
124 recursive header file inclusion, resulting in the compiler complaining
125 that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which
126 is needed to have fileno() declared correctly... So let's define u_int */
127 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
128 #define __U_INT
129 typedef unsigned int u_int;
130 #endif
131
132 #include <openssl/lhash.h>
133 #include <openssl/bn.h>
134 #define USE_SOCKETS
135 #include "apps.h"
136 #include <openssl/err.h>
137 #include <openssl/pem.h>
138 #include <openssl/x509.h>
139 #include <openssl/ssl.h>
140 #include <openssl/rand.h>
141 #include "s_apps.h"
142
143 #ifdef OPENSSL_SYS_WINCE
144 /* Windows CE incorrectly defines fileno as returning void*, so to avoid problems below... */
145 #ifdef fileno
146 #undef fileno
147 #endif
148 #define fileno(a) (int)_fileno(a)
149 #endif
150
151 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
152 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
153 #undef FIONBIO
154 #endif
155
156 #ifndef OPENSSL_NO_RSA
157 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength);
158 #endif
159 static int sv_body(char *hostname, int s, unsigned char *context);
160 static int www_body(char *hostname, int s, unsigned char *context);
161 static void close_accept_socket(void );
162 static void sv_usage(void);
163 static int init_ssl_connection(SSL *s);
164 static void print_stats(BIO *bp,SSL_CTX *ctx);
165 static int generate_session_id(const SSL *ssl, unsigned char *id,
166 unsigned int *id_len);
167 #ifndef OPENSSL_NO_DH
168 static DH *load_dh_param(char *dhfile);
169 static DH *get_dh512(void);
170 #endif
171 #ifdef MONOLITH
172 static void s_server_init(void);
173 #endif
174
175 #ifndef S_ISDIR
176 # if defined(_S_IFMT) && defined(_S_IFDIR)
177 # define S_ISDIR(a) (((a) & _S_IFMT) == _S_IFDIR)
178 # else
179 # define S_ISDIR(a) (((a) & S_IFMT) == S_IFDIR)
180 # endif
181 #endif
182
183 #ifndef OPENSSL_NO_DH
184 static unsigned char dh512_p[]={
185 0xDA,0x58,0x3C,0x16,0xD9,0x85,0x22,0x89,0xD0,0xE4,0xAF,0x75,
186 0x6F,0x4C,0xCA,0x92,0xDD,0x4B,0xE5,0x33,0xB8,0x04,0xFB,0x0F,
187 0xED,0x94,0xEF,0x9C,0x8A,0x44,0x03,0xED,0x57,0x46,0x50,0xD3,
188 0x69,0x99,0xDB,0x29,0xD7,0x76,0x27,0x6B,0xA2,0xD3,0xD4,0x12,
189 0xE2,0x18,0xF4,0xDD,0x1E,0x08,0x4C,0xF6,0xD8,0x00,0x3E,0x7C,
190 0x47,0x74,0xE8,0x33,
191 };
192 static unsigned char dh512_g[]={
193 0x02,
194 };
195
196 static DH *get_dh512(void)
197 {
198 DH *dh=NULL;
199
200 if ((dh=DH_new()) == NULL) return(NULL);
201 dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
202 dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
203 if ((dh->p == NULL) || (dh->g == NULL))
204 return(NULL);
205 return(dh);
206 }
207 #endif
208
209 /* static int load_CA(SSL_CTX *ctx, char *file);*/
210
211 #undef BUFSIZZ
212 #define BUFSIZZ 16*1024
213 static int bufsize=BUFSIZZ;
214 static int accept_socket= -1;
215
216 #define TEST_CERT "server.pem"
217 #undef PROG
218 #define PROG s_server_main
219
220 extern int verify_depth;
221
222 static char *cipher=NULL;
223 static int s_server_verify=SSL_VERIFY_NONE;
224 static int s_server_session_id_context = 1; /* anything will do */
225 static char *s_cert_file=TEST_CERT,*s_key_file=NULL;
226 static char *s_dcert_file=NULL,*s_dkey_file=NULL;
227 #ifdef FIONBIO
228 static int s_nbio=0;
229 #endif
230 static int s_nbio_test=0;
231 int s_crlf=0;
232 static SSL_CTX *ctx=NULL;
233 static int www=0;
234
235 static BIO *bio_s_out=NULL;
236 static int s_debug=0;
237 static int s_msg=0;
238 static int s_quiet=0;
239
240 static int hack=0;
241 #ifndef OPENSSL_NO_ENGINE
242 static char *engine_id=NULL;
243 #endif
244 static const char *session_id_prefix=NULL;
245
246 #ifdef MONOLITH
247 static void s_server_init(void)
248 {
249 accept_socket=-1;
250 cipher=NULL;
251 s_server_verify=SSL_VERIFY_NONE;
252 s_dcert_file=NULL;
253 s_dkey_file=NULL;
254 s_cert_file=TEST_CERT;
255 s_key_file=NULL;
256 #ifdef FIONBIO
257 s_nbio=0;
258 #endif
259 s_nbio_test=0;
260 ctx=NULL;
261 www=0;
262
263 bio_s_out=NULL;
264 s_debug=0;
265 s_msg=0;
266 s_quiet=0;
267 hack=0;
268 #ifndef OPENSSL_NO_ENGINE
269 engine_id=NULL;
270 #endif
271 }
272 #endif
273
274 static void sv_usage(void)
275 {
276 BIO_printf(bio_err,"usage: s_server [args ...]\n");
277 BIO_printf(bio_err,"\n");
278 BIO_printf(bio_err," -accept arg - port to accept on (default is %d)\n",PORT);
279 BIO_printf(bio_err," -context arg - set session ID context\n");
280 BIO_printf(bio_err," -verify arg - turn on peer certificate verification\n");
281 BIO_printf(bio_err," -Verify arg - turn on peer certificate verification, must have a cert.\n");
282 BIO_printf(bio_err," -cert arg - certificate file to use, PEM format assumed\n");
283 BIO_printf(bio_err," (default is %s)\n",TEST_CERT);
284 BIO_printf(bio_err," -key arg - Private Key file to use, PEM format assumed, in cert file if\n");
285 BIO_printf(bio_err," not specified (default is %s)\n",TEST_CERT);
286 BIO_printf(bio_err," -dcert arg - second certificate file to use (usually for DSA)\n");
287 BIO_printf(bio_err," -dkey arg - second private key file to use (usually for DSA)\n");
288 BIO_printf(bio_err," -dhparam arg - DH parameter file to use, in cert file if not specified\n");
289 BIO_printf(bio_err," or a default set of parameters is used\n");
290 #ifdef FIONBIO
291 BIO_printf(bio_err," -nbio - Run with non-blocking IO\n");
292 #endif
293 BIO_printf(bio_err," -nbio_test - test with the non-blocking test bio\n");
294 BIO_printf(bio_err," -crlf - convert LF from terminal into CRLF\n");
295 BIO_printf(bio_err," -debug - Print more output\n");
296 BIO_printf(bio_err," -msg - Show protocol messages\n");
297 BIO_printf(bio_err," -state - Print the SSL states\n");
298 BIO_printf(bio_err," -CApath arg - PEM format directory of CA's\n");
299 BIO_printf(bio_err," -CAfile arg - PEM format file of CA's\n");
300 BIO_printf(bio_err," -nocert - Don't use any certificates (Anon-DH)\n");
301 BIO_printf(bio_err," -cipher arg - play with 'openssl ciphers' to see what goes here\n");
302 BIO_printf(bio_err," -serverpref - Use server's cipher preferences\n");
303 BIO_printf(bio_err," -quiet - No server output\n");
304 BIO_printf(bio_err," -no_tmp_rsa - Do not generate a tmp RSA key\n");
305 BIO_printf(bio_err," -ssl2 - Just talk SSLv2\n");
306 BIO_printf(bio_err," -ssl3 - Just talk SSLv3\n");
307 BIO_printf(bio_err," -tls1 - Just talk TLSv1\n");
308 BIO_printf(bio_err," -no_ssl2 - Just disable SSLv2\n");
309 BIO_printf(bio_err," -no_ssl3 - Just disable SSLv3\n");
310 BIO_printf(bio_err," -no_tls1 - Just disable TLSv1\n");
311 #ifndef OPENSSL_NO_DH
312 BIO_printf(bio_err," -no_dhe - Disable ephemeral DH\n");
313 #endif
314 BIO_printf(bio_err," -bugs - Turn on SSL bug compatibility\n");
315 BIO_printf(bio_err," -www - Respond to a 'GET /' with a status page\n");
316 BIO_printf(bio_err," -WWW - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
317 BIO_printf(bio_err," -HTTP - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
318 BIO_printf(bio_err," with the assumption it contains a complete HTTP response.\n");
319 #ifndef OPENSSL_NO_ENGINE
320 BIO_printf(bio_err," -engine id - Initialise and use the specified engine\n");
321 #endif
322 BIO_printf(bio_err," -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n");
323 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
324 }
325
326 static int local_argc=0;
327 static char **local_argv;
328
329 #ifdef CHARSET_EBCDIC
330 static int ebcdic_new(BIO *bi);
331 static int ebcdic_free(BIO *a);
332 static int ebcdic_read(BIO *b, char *out, int outl);
333 static int ebcdic_write(BIO *b, const char *in, int inl);
334 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
335 static int ebcdic_gets(BIO *bp, char *buf, int size);
336 static int ebcdic_puts(BIO *bp, const char *str);
337
338 #define BIO_TYPE_EBCDIC_FILTER (18|0x0200)
339 static BIO_METHOD methods_ebcdic=
340 {
341 BIO_TYPE_EBCDIC_FILTER,
342 "EBCDIC/ASCII filter",
343 ebcdic_write,
344 ebcdic_read,
345 ebcdic_puts,
346 ebcdic_gets,
347 ebcdic_ctrl,
348 ebcdic_new,
349 ebcdic_free,
350 };
351
352 typedef struct
353 {
354 size_t alloced;
355 char buff[1];
356 } EBCDIC_OUTBUFF;
357
358 BIO_METHOD *BIO_f_ebcdic_filter()
359 {
360 return(&methods_ebcdic);
361 }
362
363 static int ebcdic_new(BIO *bi)
364 {
365 EBCDIC_OUTBUFF *wbuf;
366
367 wbuf = (EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024);
368 wbuf->alloced = 1024;
369 wbuf->buff[0] = '\0';
370
371 bi->ptr=(char *)wbuf;
372 bi->init=1;
373 bi->flags=0;
374 return(1);
375 }
376
377 static int ebcdic_free(BIO *a)
378 {
379 if (a == NULL) return(0);
380 if (a->ptr != NULL)
381 OPENSSL_free(a->ptr);
382 a->ptr=NULL;
383 a->init=0;
384 a->flags=0;
385 return(1);
386 }
387
388 static int ebcdic_read(BIO *b, char *out, int outl)
389 {
390 int ret=0;
391
392 if (out == NULL || outl == 0) return(0);
393 if (b->next_bio == NULL) return(0);
394
395 ret=BIO_read(b->next_bio,out,outl);
396 if (ret > 0)
397 ascii2ebcdic(out,out,ret);
398 return(ret);
399 }
400
401 static int ebcdic_write(BIO *b, const char *in, int inl)
402 {
403 EBCDIC_OUTBUFF *wbuf;
404 int ret=0;
405 int num;
406 unsigned char n;
407
408 if ((in == NULL) || (inl <= 0)) return(0);
409 if (b->next_bio == NULL) return(0);
410
411 wbuf=(EBCDIC_OUTBUFF *)b->ptr;
412
413 if (inl > (num = wbuf->alloced))
414 {
415 num = num + num; /* double the size */
416 if (num < inl)
417 num = inl;
418 OPENSSL_free(wbuf);
419 wbuf=(EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num);
420
421 wbuf->alloced = num;
422 wbuf->buff[0] = '\0';
423
424 b->ptr=(char *)wbuf;
425 }
426
427 ebcdic2ascii(wbuf->buff, in, inl);
428
429 ret=BIO_write(b->next_bio, wbuf->buff, inl);
430
431 return(ret);
432 }
433
434 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
435 {
436 long ret;
437
438 if (b->next_bio == NULL) return(0);
439 switch (cmd)
440 {
441 case BIO_CTRL_DUP:
442 ret=0L;
443 break;
444 default:
445 ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
446 break;
447 }
448 return(ret);
449 }
450
451 static int ebcdic_gets(BIO *bp, char *buf, int size)
452 {
453 int i, ret=0;
454 if (bp->next_bio == NULL) return(0);
455 /* return(BIO_gets(bp->next_bio,buf,size));*/
456 for (i=0; i<size-1; ++i)
457 {
458 ret = ebcdic_read(bp,&buf[i],1);
459 if (ret <= 0)
460 break;
461 else if (buf[i] == '\n')
462 {
463 ++i;
464 break;
465 }
466 }
467 if (i < size)
468 buf[i] = '\0';
469 return (ret < 0 && i == 0) ? ret : i;
470 }
471
472 static int ebcdic_puts(BIO *bp, const char *str)
473 {
474 if (bp->next_bio == NULL) return(0);
475 return ebcdic_write(bp, str, strlen(str));
476 }
477 #endif
478
479 int MAIN(int, char **);
480
481 int MAIN(int argc, char *argv[])
482 {
483 X509_STORE *store = NULL;
484 int vflags = 0;
485 short port=PORT;
486 char *CApath=NULL,*CAfile=NULL;
487 char *context = NULL;
488 char *dhfile = NULL;
489 int badop=0,bugs=0;
490 int ret=1;
491 int off=0;
492 int no_tmp_rsa=0,no_dhe=0,nocert=0;
493 int state=0;
494 SSL_METHOD *meth=NULL;
495 #ifndef OPENSSL_NO_ENGINE
496 ENGINE *e=NULL;
497 #endif
498 char *inrand=NULL;
499
500 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
501 meth=SSLv23_server_method();
502 #elif !defined(OPENSSL_NO_SSL3)
503 meth=SSLv3_server_method();
504 #elif !defined(OPENSSL_NO_SSL2)
505 meth=SSLv2_server_method();
506 #endif
507
508 local_argc=argc;
509 local_argv=argv;
510
511 apps_startup();
512 #ifdef MONOLITH
513 s_server_init();
514 #endif
515
516 if (bio_err == NULL)
517 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
518
519 if (!load_config(bio_err, NULL))
520 goto end;
521
522 verify_depth=0;
523 #ifdef FIONBIO
524 s_nbio=0;
525 #endif
526 s_nbio_test=0;
527
528 argc--;
529 argv++;
530
531 while (argc >= 1)
532 {
533 if ((strcmp(*argv,"-port") == 0) ||
534 (strcmp(*argv,"-accept") == 0))
535 {
536 if (--argc < 1) goto bad;
537 if (!extract_port(*(++argv),&port))
538 goto bad;
539 }
540 else if (strcmp(*argv,"-verify") == 0)
541 {
542 s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
543 if (--argc < 1) goto bad;
544 verify_depth=atoi(*(++argv));
545 BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
546 }
547 else if (strcmp(*argv,"-Verify") == 0)
548 {
549 s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT|
550 SSL_VERIFY_CLIENT_ONCE;
551 if (--argc < 1) goto bad;
552 verify_depth=atoi(*(++argv));
553 BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth);
554 }
555 else if (strcmp(*argv,"-context") == 0)
556 {
557 if (--argc < 1) goto bad;
558 context= *(++argv);
559 }
560 else if (strcmp(*argv,"-cert") == 0)
561 {
562 if (--argc < 1) goto bad;
563 s_cert_file= *(++argv);
564 }
565 else if (strcmp(*argv,"-key") == 0)
566 {
567 if (--argc < 1) goto bad;
568 s_key_file= *(++argv);
569 }
570 else if (strcmp(*argv,"-dhparam") == 0)
571 {
572 if (--argc < 1) goto bad;
573 dhfile = *(++argv);
574 }
575 else if (strcmp(*argv,"-dcert") == 0)
576 {
577 if (--argc < 1) goto bad;
578 s_dcert_file= *(++argv);
579 }
580 else if (strcmp(*argv,"-dkey") == 0)
581 {
582 if (--argc < 1) goto bad;
583 s_dkey_file= *(++argv);
584 }
585 else if (strcmp(*argv,"-nocert") == 0)
586 {
587 nocert=1;
588 }
589 else if (strcmp(*argv,"-CApath") == 0)
590 {
591 if (--argc < 1) goto bad;
592 CApath= *(++argv);
593 }
594 else if (strcmp(*argv,"-crl_check") == 0)
595 {
596 vflags |= X509_V_FLAG_CRL_CHECK;
597 }
598 else if (strcmp(*argv,"-crl_check") == 0)
599 {
600 vflags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;
601 }
602 else if (strcmp(*argv,"-serverpref") == 0)
603 { off|=SSL_OP_CIPHER_SERVER_PREFERENCE; }
604 else if (strcmp(*argv,"-cipher") == 0)
605 {
606 if (--argc < 1) goto bad;
607 cipher= *(++argv);
608 }
609 else if (strcmp(*argv,"-CAfile") == 0)
610 {
611 if (--argc < 1) goto bad;
612 CAfile= *(++argv);
613 }
614 #ifdef FIONBIO
615 else if (strcmp(*argv,"-nbio") == 0)
616 { s_nbio=1; }
617 #endif
618 else if (strcmp(*argv,"-nbio_test") == 0)
619 {
620 #ifdef FIONBIO
621 s_nbio=1;
622 #endif
623 s_nbio_test=1;
624 }
625 else if (strcmp(*argv,"-debug") == 0)
626 { s_debug=1; }
627 else if (strcmp(*argv,"-msg") == 0)
628 { s_msg=1; }
629 else if (strcmp(*argv,"-hack") == 0)
630 { hack=1; }
631 else if (strcmp(*argv,"-state") == 0)
632 { state=1; }
633 else if (strcmp(*argv,"-crlf") == 0)
634 { s_crlf=1; }
635 else if (strcmp(*argv,"-quiet") == 0)
636 { s_quiet=1; }
637 else if (strcmp(*argv,"-bugs") == 0)
638 { bugs=1; }
639 else if (strcmp(*argv,"-no_tmp_rsa") == 0)
640 { no_tmp_rsa=1; }
641 else if (strcmp(*argv,"-no_dhe") == 0)
642 { no_dhe=1; }
643 else if (strcmp(*argv,"-www") == 0)
644 { www=1; }
645 else if (strcmp(*argv,"-WWW") == 0)
646 { www=2; }
647 else if (strcmp(*argv,"-HTTP") == 0)
648 { www=3; }
649 else if (strcmp(*argv,"-no_ssl2") == 0)
650 { off|=SSL_OP_NO_SSLv2; }
651 else if (strcmp(*argv,"-no_ssl3") == 0)
652 { off|=SSL_OP_NO_SSLv3; }
653 else if (strcmp(*argv,"-no_tls1") == 0)
654 { off|=SSL_OP_NO_TLSv1; }
655 #ifndef OPENSSL_NO_SSL2
656 else if (strcmp(*argv,"-ssl2") == 0)
657 { meth=SSLv2_server_method(); }
658 #endif
659 #ifndef OPENSSL_NO_SSL3
660 else if (strcmp(*argv,"-ssl3") == 0)
661 { meth=SSLv3_server_method(); }
662 #endif
663 #ifndef OPENSSL_NO_TLS1
664 else if (strcmp(*argv,"-tls1") == 0)
665 { meth=TLSv1_server_method(); }
666 #endif
667 else if (strcmp(*argv, "-id_prefix") == 0)
668 {
669 if (--argc < 1) goto bad;
670 session_id_prefix = *(++argv);
671 }
672 #ifndef OPENSSL_NO_ENGINE
673 else if (strcmp(*argv,"-engine") == 0)
674 {
675 if (--argc < 1) goto bad;
676 engine_id= *(++argv);
677 }
678 #endif
679 else if (strcmp(*argv,"-rand") == 0)
680 {
681 if (--argc < 1) goto bad;
682 inrand= *(++argv);
683 }
684 else
685 {
686 BIO_printf(bio_err,"unknown option %s\n",*argv);
687 badop=1;
688 break;
689 }
690 argc--;
691 argv++;
692 }
693 if (badop)
694 {
695 bad:
696 sv_usage();
697 goto end;
698 }
699
700 SSL_load_error_strings();
701 OpenSSL_add_ssl_algorithms();
702
703 #ifndef OPENSSL_NO_ENGINE
704 e = setup_engine(bio_err, engine_id, 1);
705 #endif
706
707 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
708 && !RAND_status())
709 {
710 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
711 }
712 if (inrand != NULL)
713 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
714 app_RAND_load_files(inrand));
715
716 if (bio_s_out == NULL)
717 {
718 if (s_quiet && !s_debug && !s_msg)
719 {
720 bio_s_out=BIO_new(BIO_s_null());
721 }
722 else
723 {
724 if (bio_s_out == NULL)
725 bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE);
726 }
727 }
728
729 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA)
730 if (nocert)
731 #endif
732 {
733 s_cert_file=NULL;
734 s_key_file=NULL;
735 s_dcert_file=NULL;
736 s_dkey_file=NULL;
737 }
738
739 ctx=SSL_CTX_new(meth);
740 if (ctx == NULL)
741 {
742 ERR_print_errors(bio_err);
743 goto end;
744 }
745 if (session_id_prefix)
746 {
747 if(strlen(session_id_prefix) >= 32)
748 BIO_printf(bio_err,
749 "warning: id_prefix is too long, only one new session will be possible\n");
750 else if(strlen(session_id_prefix) >= 16)
751 BIO_printf(bio_err,
752 "warning: id_prefix is too long if you use SSLv2\n");
753 if(!SSL_CTX_set_generate_session_id(ctx, generate_session_id))
754 {
755 BIO_printf(bio_err,"error setting 'id_prefix'\n");
756 ERR_print_errors(bio_err);
757 goto end;
758 }
759 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
760 }
761 SSL_CTX_set_quiet_shutdown(ctx,1);
762 if (bugs) SSL_CTX_set_options(ctx,SSL_OP_ALL);
763 if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
764 SSL_CTX_set_options(ctx,off);
765
766 if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
767
768 SSL_CTX_sess_set_cache_size(ctx,128);
769
770 #if 0
771 if (cipher == NULL) cipher=getenv("SSL_CIPHER");
772 #endif
773
774 #if 0
775 if (s_cert_file == NULL)
776 {
777 BIO_printf(bio_err,"You must specify a certificate file for the server to use\n");
778 goto end;
779 }
780 #endif
781
782 if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
783 (!SSL_CTX_set_default_verify_paths(ctx)))
784 {
785 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
786 ERR_print_errors(bio_err);
787 /* goto end; */
788 }
789 store = SSL_CTX_get_cert_store(ctx);
790 X509_STORE_set_flags(store, vflags);
791
792 #ifndef OPENSSL_NO_DH
793 if (!no_dhe)
794 {
795 DH *dh=NULL;
796
797 if (dhfile)
798 dh = load_dh_param(dhfile);
799 else if (s_cert_file)
800 dh = load_dh_param(s_cert_file);
801
802 if (dh != NULL)
803 {
804 BIO_printf(bio_s_out,"Setting temp DH parameters\n");
805 }
806 else
807 {
808 BIO_printf(bio_s_out,"Using default temp DH parameters\n");
809 dh=get_dh512();
810 }
811 (void)BIO_flush(bio_s_out);
812
813 SSL_CTX_set_tmp_dh(ctx,dh);
814 DH_free(dh);
815 }
816 #endif
817
818 if (!set_cert_stuff(ctx,s_cert_file,s_key_file))
819 goto end;
820 if (s_dcert_file != NULL)
821 {
822 if (!set_cert_stuff(ctx,s_dcert_file,s_dkey_file))
823 goto end;
824 }
825
826 #ifndef OPENSSL_NO_RSA
827 #if 1
828 if (!no_tmp_rsa)
829 SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
830 #else
831 if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx))
832 {
833 RSA *rsa;
834
835 BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key...");
836 BIO_flush(bio_s_out);
837
838 rsa=RSA_generate_key(512,RSA_F4,NULL);
839
840 if (!SSL_CTX_set_tmp_rsa(ctx,rsa))
841 {
842 ERR_print_errors(bio_err);
843 goto end;
844 }
845 RSA_free(rsa);
846 BIO_printf(bio_s_out,"\n");
847 }
848 #endif
849 #endif
850
851 if (cipher != NULL)
852 if(!SSL_CTX_set_cipher_list(ctx,cipher)) {
853 BIO_printf(bio_err,"error setting cipher list\n");
854 ERR_print_errors(bio_err);
855 goto end;
856 }
857 SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
858 SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
859 sizeof s_server_session_id_context);
860
861 if (CAfile != NULL)
862 SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
863
864 BIO_printf(bio_s_out,"ACCEPT\n");
865 if (www)
866 do_server(port,&accept_socket,www_body, context);
867 else
868 do_server(port,&accept_socket,sv_body, context);
869 print_stats(bio_s_out,ctx);
870 ret=0;
871 end:
872 if (ctx != NULL) SSL_CTX_free(ctx);
873 if (bio_s_out != NULL)
874 {
875 BIO_free(bio_s_out);
876 bio_s_out=NULL;
877 }
878 apps_shutdown();
879 OPENSSL_EXIT(ret);
880 }
881
882 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
883 {
884 BIO_printf(bio,"%4ld items in the session cache\n",
885 SSL_CTX_sess_number(ssl_ctx));
886 BIO_printf(bio,"%4d client connects (SSL_connect())\n",
887 SSL_CTX_sess_connect(ssl_ctx));
888 BIO_printf(bio,"%4d client renegotiates (SSL_connect())\n",
889 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
890 BIO_printf(bio,"%4d client connects that finished\n",
891 SSL_CTX_sess_connect_good(ssl_ctx));
892 BIO_printf(bio,"%4d server accepts (SSL_accept())\n",
893 SSL_CTX_sess_accept(ssl_ctx));
894 BIO_printf(bio,"%4d server renegotiates (SSL_accept())\n",
895 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
896 BIO_printf(bio,"%4d server accepts that finished\n",
897 SSL_CTX_sess_accept_good(ssl_ctx));
898 BIO_printf(bio,"%4d session cache hits\n",SSL_CTX_sess_hits(ssl_ctx));
899 BIO_printf(bio,"%4d session cache misses\n",SSL_CTX_sess_misses(ssl_ctx));
900 BIO_printf(bio,"%4d session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx));
901 BIO_printf(bio,"%4d callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx));
902 BIO_printf(bio,"%4d cache full overflows (%d allowed)\n",
903 SSL_CTX_sess_cache_full(ssl_ctx),
904 SSL_CTX_sess_get_cache_size(ssl_ctx));
905 }
906
907 static int sv_body(char *hostname, int s, unsigned char *context)
908 {
909 char *buf=NULL;
910 fd_set readfds;
911 int ret=1,width;
912 int k,i;
913 unsigned long l;
914 SSL *con=NULL;
915 BIO *sbio;
916 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
917 struct timeval tv;
918 #endif
919
920 if ((buf=OPENSSL_malloc(bufsize)) == NULL)
921 {
922 BIO_printf(bio_err,"out of memory\n");
923 goto err;
924 }
925 #ifdef FIONBIO
926 if (s_nbio)
927 {
928 unsigned long sl=1;
929
930 if (!s_quiet)
931 BIO_printf(bio_err,"turning on non blocking io\n");
932 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
933 ERR_print_errors(bio_err);
934 }
935 #endif
936
937 if (con == NULL) {
938 con=SSL_new(ctx);
939 #ifndef OPENSSL_NO_KRB5
940 if ((con->kssl_ctx = kssl_ctx_new()) != NULL)
941 {
942 kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVICE,
943 KRB5SVC);
944 kssl_ctx_setstring(con->kssl_ctx, KSSL_KEYTAB,
945 KRB5KEYTAB);
946 }
947 #endif /* OPENSSL_NO_KRB5 */
948 if(context)
949 SSL_set_session_id_context(con, context,
950 strlen((char *)context));
951 }
952 SSL_clear(con);
953
954 sbio=BIO_new_socket(s,BIO_NOCLOSE);
955 if (s_nbio_test)
956 {
957 BIO *test;
958
959 test=BIO_new(BIO_f_nbio_test());
960 sbio=BIO_push(test,sbio);
961 }
962 SSL_set_bio(con,sbio,sbio);
963 SSL_set_accept_state(con);
964 /* SSL_set_fd(con,s); */
965
966 if (s_debug)
967 {
968 con->debug=1;
969 BIO_set_callback(SSL_get_rbio(con),bio_dump_cb);
970 BIO_set_callback_arg(SSL_get_rbio(con),bio_s_out);
971 }
972 if (s_msg)
973 {
974 SSL_set_msg_callback(con, msg_cb);
975 SSL_set_msg_callback_arg(con, bio_s_out);
976 }
977
978 width=s+1;
979 for (;;)
980 {
981 int read_from_terminal;
982 int read_from_sslcon;
983
984 read_from_terminal = 0;
985 read_from_sslcon = SSL_pending(con);
986
987 if (!read_from_sslcon)
988 {
989 FD_ZERO(&readfds);
990 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS)
991 FD_SET(fileno(stdin),&readfds);
992 #endif
993 FD_SET(s,&readfds);
994 /* Note: under VMS with SOCKETSHR the second parameter is
995 * currently of type (int *) whereas under other systems
996 * it is (void *) if you don't have a cast it will choke
997 * the compiler: if you do have a cast then you can either
998 * go for (int *) or (void *).
999 */
1000 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1001 /* Under DOS (non-djgpp) and Windows we can't select on stdin: only
1002 * on sockets. As a workaround we timeout the select every
1003 * second and check for any keypress. In a proper Windows
1004 * application we wouldn't do this because it is inefficient.
1005 */
1006 tv.tv_sec = 1;
1007 tv.tv_usec = 0;
1008 i=select(width,(void *)&readfds,NULL,NULL,&tv);
1009 if((i < 0) || (!i && !_kbhit() ) )continue;
1010 if(_kbhit())
1011 read_from_terminal = 1;
1012 #else
1013 i=select(width,(void *)&readfds,NULL,NULL,NULL);
1014 if (i <= 0) continue;
1015 if (FD_ISSET(fileno(stdin),&readfds))
1016 read_from_terminal = 1;
1017 #endif
1018 if (FD_ISSET(s,&readfds))
1019 read_from_sslcon = 1;
1020 }
1021 if (read_from_terminal)
1022 {
1023 if (s_crlf)
1024 {
1025 int j, lf_num;
1026
1027 i=read(fileno(stdin), buf, bufsize/2);
1028 lf_num = 0;
1029 /* both loops are skipped when i <= 0 */
1030 for (j = 0; j < i; j++)
1031 if (buf[j] == '\n')
1032 lf_num++;
1033 for (j = i-1; j >= 0; j--)
1034 {
1035 buf[j+lf_num] = buf[j];
1036 if (buf[j] == '\n')
1037 {
1038 lf_num--;
1039 i++;
1040 buf[j+lf_num] = '\r';
1041 }
1042 }
1043 assert(lf_num == 0);
1044 }
1045 else
1046 i=read(fileno(stdin),buf,bufsize);
1047 if (!s_quiet)
1048 {
1049 if ((i <= 0) || (buf[0] == 'Q'))
1050 {
1051 BIO_printf(bio_s_out,"DONE\n");
1052 SHUTDOWN(s);
1053 close_accept_socket();
1054 ret= -11;
1055 goto err;
1056 }
1057 if ((i <= 0) || (buf[0] == 'q'))
1058 {
1059 BIO_printf(bio_s_out,"DONE\n");
1060 SHUTDOWN(s);
1061 /* close_accept_socket();
1062 ret= -11;*/
1063 goto err;
1064 }
1065 if ((buf[0] == 'r') &&
1066 ((buf[1] == '\n') || (buf[1] == '\r')))
1067 {
1068 SSL_renegotiate(con);
1069 i=SSL_do_handshake(con);
1070 printf("SSL_do_handshake -> %d\n",i);
1071 i=0; /*13; */
1072 continue;
1073 /* strcpy(buf,"server side RE-NEGOTIATE\n"); */
1074 }
1075 if ((buf[0] == 'R') &&
1076 ((buf[1] == '\n') || (buf[1] == '\r')))
1077 {
1078 SSL_set_verify(con,
1079 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
1080 SSL_renegotiate(con);
1081 i=SSL_do_handshake(con);
1082 printf("SSL_do_handshake -> %d\n",i);
1083 i=0; /* 13; */
1084 continue;
1085 /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
1086 }
1087 if (buf[0] == 'P')
1088 {
1089 static char *str="Lets print some clear text\n";
1090 BIO_write(SSL_get_wbio(con),str,strlen(str));
1091 }
1092 if (buf[0] == 'S')
1093 {
1094 print_stats(bio_s_out,SSL_get_SSL_CTX(con));
1095 }
1096 }
1097 #ifdef CHARSET_EBCDIC
1098 ebcdic2ascii(buf,buf,i);
1099 #endif
1100 l=k=0;
1101 for (;;)
1102 {
1103 /* should do a select for the write */
1104 #ifdef RENEG
1105 { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
1106 #endif
1107 k=SSL_write(con,&(buf[l]),(unsigned int)i);
1108 switch (SSL_get_error(con,k))
1109 {
1110 case SSL_ERROR_NONE:
1111 break;
1112 case SSL_ERROR_WANT_WRITE:
1113 case SSL_ERROR_WANT_READ:
1114 case SSL_ERROR_WANT_X509_LOOKUP:
1115 BIO_printf(bio_s_out,"Write BLOCK\n");
1116 break;
1117 case SSL_ERROR_SYSCALL:
1118 case SSL_ERROR_SSL:
1119 BIO_printf(bio_s_out,"ERROR\n");
1120 ERR_print_errors(bio_err);
1121 ret=1;
1122 goto err;
1123 /* break; */
1124 case SSL_ERROR_ZERO_RETURN:
1125 BIO_printf(bio_s_out,"DONE\n");
1126 ret=1;
1127 goto err;
1128 }
1129 l+=k;
1130 i-=k;
1131 if (i <= 0) break;
1132 }
1133 }
1134 if (read_from_sslcon)
1135 {
1136 if (!SSL_is_init_finished(con))
1137 {
1138 i=init_ssl_connection(con);
1139
1140 if (i < 0)
1141 {
1142 ret=0;
1143 goto err;
1144 }
1145 else if (i == 0)
1146 {
1147 ret=1;
1148 goto err;
1149 }
1150 }
1151 else
1152 {
1153 again:
1154 i=SSL_read(con,(char *)buf,bufsize);
1155 switch (SSL_get_error(con,i))
1156 {
1157 case SSL_ERROR_NONE:
1158 #ifdef CHARSET_EBCDIC
1159 ascii2ebcdic(buf,buf,i);
1160 #endif
1161 write(fileno(stdout),buf,
1162 (unsigned int)i);
1163 if (SSL_pending(con)) goto again;
1164 break;
1165 case SSL_ERROR_WANT_WRITE:
1166 case SSL_ERROR_WANT_READ:
1167 case SSL_ERROR_WANT_X509_LOOKUP:
1168 BIO_printf(bio_s_out,"Read BLOCK\n");
1169 break;
1170 case SSL_ERROR_SYSCALL:
1171 case SSL_ERROR_SSL:
1172 BIO_printf(bio_s_out,"ERROR\n");
1173 ERR_print_errors(bio_err);
1174 ret=1;
1175 goto err;
1176 case SSL_ERROR_ZERO_RETURN:
1177 BIO_printf(bio_s_out,"DONE\n");
1178 ret=1;
1179 goto err;
1180 }
1181 }
1182 }
1183 }
1184 err:
1185 BIO_printf(bio_s_out,"shutting down SSL\n");
1186 #if 1
1187 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
1188 #else
1189 SSL_shutdown(con);
1190 #endif
1191 if (con != NULL) SSL_free(con);
1192 BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
1193 if (buf != NULL)
1194 {
1195 OPENSSL_cleanse(buf,bufsize);
1196 OPENSSL_free(buf);
1197 }
1198 if (ret >= 0)
1199 BIO_printf(bio_s_out,"ACCEPT\n");
1200 return(ret);
1201 }
1202
1203 static void close_accept_socket(void)
1204 {
1205 BIO_printf(bio_err,"shutdown accept socket\n");
1206 if (accept_socket >= 0)
1207 {
1208 SHUTDOWN2(accept_socket);
1209 }
1210 }
1211
1212 static int init_ssl_connection(SSL *con)
1213 {
1214 int i;
1215 const char *str;
1216 X509 *peer;
1217 long verify_error;
1218 MS_STATIC char buf[BUFSIZ];
1219
1220 if ((i=SSL_accept(con)) <= 0)
1221 {
1222 if (BIO_sock_should_retry(i))
1223 {
1224 BIO_printf(bio_s_out,"DELAY\n");
1225 return(1);
1226 }
1227
1228 BIO_printf(bio_err,"ERROR\n");
1229 verify_error=SSL_get_verify_result(con);
1230 if (verify_error != X509_V_OK)
1231 {
1232 BIO_printf(bio_err,"verify error:%s\n",
1233 X509_verify_cert_error_string(verify_error));
1234 }
1235 else
1236 ERR_print_errors(bio_err);
1237 return(0);
1238 }
1239
1240 PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con));
1241
1242 peer=SSL_get_peer_certificate(con);
1243 if (peer != NULL)
1244 {
1245 BIO_printf(bio_s_out,"Client certificate\n");
1246 PEM_write_bio_X509(bio_s_out,peer);
1247 X509_NAME_oneline(X509_get_subject_name(peer),buf,sizeof buf);
1248 BIO_printf(bio_s_out,"subject=%s\n",buf);
1249 X509_NAME_oneline(X509_get_issuer_name(peer),buf,sizeof buf);
1250 BIO_printf(bio_s_out,"issuer=%s\n",buf);
1251 X509_free(peer);
1252 }
1253
1254 if (SSL_get_shared_ciphers(con,buf,sizeof buf) != NULL)
1255 BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
1256 str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
1257 BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
1258 if (con->hit) BIO_printf(bio_s_out,"Reused session-id\n");
1259 if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
1260 TLS1_FLAGS_TLS_PADDING_BUG)
1261 BIO_printf(bio_s_out,"Peer has incorrect TLSv1 block padding\n");
1262 #ifndef OPENSSL_NO_KRB5
1263 if (con->kssl_ctx->client_princ != NULL)
1264 {
1265 BIO_printf(bio_s_out,"Kerberos peer principal is %s\n",
1266 con->kssl_ctx->client_princ);
1267 }
1268 #endif /* OPENSSL_NO_KRB5 */
1269 return(1);
1270 }
1271
1272 #ifndef OPENSSL_NO_DH
1273 static DH *load_dh_param(char *dhfile)
1274 {
1275 DH *ret=NULL;
1276 BIO *bio;
1277
1278 if ((bio=BIO_new_file(dhfile,"r")) == NULL)
1279 goto err;
1280 ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL);
1281 err:
1282 if (bio != NULL) BIO_free(bio);
1283 return(ret);
1284 }
1285 #endif
1286
1287 #if 0
1288 static int load_CA(SSL_CTX *ctx, char *file)
1289 {
1290 FILE *in;
1291 X509 *x=NULL;
1292
1293 if ((in=fopen(file,"r")) == NULL)
1294 return(0);
1295
1296 for (;;)
1297 {
1298 if (PEM_read_X509(in,&x,NULL) == NULL)
1299 break;
1300 SSL_CTX_add_client_CA(ctx,x);
1301 }
1302 if (x != NULL) X509_free(x);
1303 fclose(in);
1304 return(1);
1305 }
1306 #endif
1307
1308 static int www_body(char *hostname, int s, unsigned char *context)
1309 {
1310 char *buf=NULL;
1311 int ret=1;
1312 int i,j,k,blank,dot;
1313 struct stat st_buf;
1314 SSL *con;
1315 SSL_CIPHER *c;
1316 BIO *io,*ssl_bio,*sbio;
1317 long total_bytes;
1318
1319 buf=OPENSSL_malloc(bufsize);
1320 if (buf == NULL) return(0);
1321 io=BIO_new(BIO_f_buffer());
1322 ssl_bio=BIO_new(BIO_f_ssl());
1323 if ((io == NULL) || (ssl_bio == NULL)) goto err;
1324
1325 #ifdef FIONBIO
1326 if (s_nbio)
1327 {
1328 unsigned long sl=1;
1329
1330 if (!s_quiet)
1331 BIO_printf(bio_err,"turning on non blocking io\n");
1332 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
1333 ERR_print_errors(bio_err);
1334 }
1335 #endif
1336
1337 /* lets make the output buffer a reasonable size */
1338 if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
1339
1340 if ((con=SSL_new(ctx)) == NULL) goto err;
1341 #ifndef OPENSSL_NO_KRB5
1342 if ((con->kssl_ctx = kssl_ctx_new()) != NULL)
1343 {
1344 kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVICE, KRB5SVC);
1345 kssl_ctx_setstring(con->kssl_ctx, KSSL_KEYTAB, KRB5KEYTAB);
1346 }
1347 #endif /* OPENSSL_NO_KRB5 */
1348 if(context) SSL_set_session_id_context(con, context,
1349 strlen((char *)context));
1350
1351 sbio=BIO_new_socket(s,BIO_NOCLOSE);
1352 if (s_nbio_test)
1353 {
1354 BIO *test;
1355
1356 test=BIO_new(BIO_f_nbio_test());
1357 sbio=BIO_push(test,sbio);
1358 }
1359 SSL_set_bio(con,sbio,sbio);
1360 SSL_set_accept_state(con);
1361
1362 /* SSL_set_fd(con,s); */
1363 BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
1364 BIO_push(io,ssl_bio);
1365 #ifdef CHARSET_EBCDIC
1366 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
1367 #endif
1368
1369 if (s_debug)
1370 {
1371 con->debug=1;
1372 BIO_set_callback(SSL_get_rbio(con),bio_dump_cb);
1373 BIO_set_callback_arg(SSL_get_rbio(con),bio_s_out);
1374 }
1375 if (s_msg)
1376 {
1377 SSL_set_msg_callback(con, msg_cb);
1378 SSL_set_msg_callback_arg(con, bio_s_out);
1379 }
1380
1381 blank=0;
1382 for (;;)
1383 {
1384 if (hack)
1385 {
1386 i=SSL_accept(con);
1387
1388 switch (SSL_get_error(con,i))
1389 {
1390 case SSL_ERROR_NONE:
1391 break;
1392 case SSL_ERROR_WANT_WRITE:
1393 case SSL_ERROR_WANT_READ:
1394 case SSL_ERROR_WANT_X509_LOOKUP:
1395 continue;
1396 case SSL_ERROR_SYSCALL:
1397 case SSL_ERROR_SSL:
1398 case SSL_ERROR_ZERO_RETURN:
1399 ret=1;
1400 goto err;
1401 /* break; */
1402 }
1403
1404 SSL_renegotiate(con);
1405 SSL_write(con,NULL,0);
1406 }
1407
1408 i=BIO_gets(io,buf,bufsize-1);
1409 if (i < 0) /* error */
1410 {
1411 if (!BIO_should_retry(io))
1412 {
1413 if (!s_quiet)
1414 ERR_print_errors(bio_err);
1415 goto err;
1416 }
1417 else
1418 {
1419 BIO_printf(bio_s_out,"read R BLOCK\n");
1420 #if !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__)
1421 sleep(1);
1422 #endif
1423 continue;
1424 }
1425 }
1426 else if (i == 0) /* end of input */
1427 {
1428 ret=1;
1429 goto end;
1430 }
1431
1432 /* else we have data */
1433 if ( ((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
1434 ((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
1435 {
1436 char *p;
1437 X509 *peer;
1438 STACK_OF(SSL_CIPHER) *sk;
1439 static char *space=" ";
1440
1441 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
1442 BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n");
1443 BIO_puts(io,"<pre>\n");
1444 /* BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
1445 BIO_puts(io,"\n");
1446 for (i=0; i<local_argc; i++)
1447 {
1448 BIO_puts(io,local_argv[i]);
1449 BIO_write(io," ",1);
1450 }
1451 BIO_puts(io,"\n");
1452
1453 /* The following is evil and should not really
1454 * be done */
1455 BIO_printf(io,"Ciphers supported in s_server binary\n");
1456 sk=SSL_get_ciphers(con);
1457 j=sk_SSL_CIPHER_num(sk);
1458 for (i=0; i<j; i++)
1459 {
1460 c=sk_SSL_CIPHER_value(sk,i);
1461 BIO_printf(io,"%-11s:%-25s",
1462 SSL_CIPHER_get_version(c),
1463 SSL_CIPHER_get_name(c));
1464 if ((((i+1)%2) == 0) && (i+1 != j))
1465 BIO_puts(io,"\n");
1466 }
1467 BIO_puts(io,"\n");
1468 p=SSL_get_shared_ciphers(con,buf,bufsize);
1469 if (p != NULL)
1470 {
1471 BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
1472 j=i=0;
1473 while (*p)
1474 {
1475 if (*p == ':')
1476 {
1477 BIO_write(io,space,26-j);
1478 i++;
1479 j=0;
1480 BIO_write(io,((i%3)?" ":"\n"),1);
1481 }
1482 else
1483 {
1484 BIO_write(io,p,1);
1485 j++;
1486 }
1487 p++;
1488 }
1489 BIO_puts(io,"\n");
1490 }
1491 BIO_printf(io,((con->hit)
1492 ?"---\nReused, "
1493 :"---\nNew, "));
1494 c=SSL_get_current_cipher(con);
1495 BIO_printf(io,"%s, Cipher is %s\n",
1496 SSL_CIPHER_get_version(c),
1497 SSL_CIPHER_get_name(c));
1498 SSL_SESSION_print(io,SSL_get_session(con));
1499 BIO_printf(io,"---\n");
1500 print_stats(io,SSL_get_SSL_CTX(con));
1501 BIO_printf(io,"---\n");
1502 peer=SSL_get_peer_certificate(con);
1503 if (peer != NULL)
1504 {
1505 BIO_printf(io,"Client certificate\n");
1506 X509_print(io,peer);
1507 PEM_write_bio_X509(io,peer);
1508 }
1509 else
1510 BIO_puts(io,"no client certificate available\n");
1511 BIO_puts(io,"</BODY></HTML>\r\n\r\n");
1512 break;
1513 }
1514 else if ((www == 2 || www == 3)
1515 && (strncmp("GET /",buf,5) == 0))
1516 {
1517 BIO *file;
1518 char *p,*e;
1519 static char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
1520
1521 /* skip the '/' */
1522 p= &(buf[5]);
1523
1524 dot = 1;
1525 for (e=p; *e != '\0'; e++)
1526 {
1527 if (e[0] == ' ')
1528 break;
1529
1530 switch (dot)
1531 {
1532 case 1:
1533 dot = (e[0] == '.') ? 2 : 0;
1534 break;
1535 case 2:
1536 dot = (e[0] == '.') ? 3 : 0;
1537 break;
1538 case 3:
1539 dot = (e[0] == '/') ? -1 : 0;
1540 break;
1541 }
1542 if (dot == 0)
1543 dot = (e[0] == '/') ? 1 : 0;
1544 }
1545 dot = (dot == 3) || (dot == -1); /* filename contains ".." component */
1546
1547 if (*e == '\0')
1548 {
1549 BIO_puts(io,text);
1550 BIO_printf(io,"'%s' is an invalid file name\r\n",p);
1551 break;
1552 }
1553 *e='\0';
1554
1555 if (dot)
1556 {
1557 BIO_puts(io,text);
1558 BIO_printf(io,"'%s' contains '..' reference\r\n",p);
1559 break;
1560 }
1561
1562 if (*p == '/')
1563 {
1564 BIO_puts(io,text);
1565 BIO_printf(io,"'%s' is an invalid path\r\n",p);
1566 break;
1567 }
1568
1569 #if 0
1570 /* append if a directory lookup */
1571 if (e[-1] == '/')
1572 strcat(p,"index.html");
1573 #endif
1574
1575 /* if a directory, do the index thang */
1576 if (stat(p,&st_buf) < 0)
1577 {
1578 BIO_puts(io,text);
1579 BIO_printf(io,"Error accessing '%s'\r\n",p);
1580 ERR_print_errors(io);
1581 break;
1582 }
1583 if (S_ISDIR(st_buf.st_mode))
1584 {
1585 #if 0 /* must check buffer size */
1586 strcat(p,"/index.html");
1587 #else
1588 BIO_puts(io,text);
1589 BIO_printf(io,"'%s' is a directory\r\n",p);
1590 break;
1591 #endif
1592 }
1593
1594 if ((file=BIO_new_file(p,"r")) == NULL)
1595 {
1596 BIO_puts(io,text);
1597 BIO_printf(io,"Error opening '%s'\r\n",p);
1598 ERR_print_errors(io);
1599 break;
1600 }
1601
1602 if (!s_quiet)
1603 BIO_printf(bio_err,"FILE:%s\n",p);
1604
1605 if (www == 2)
1606 {
1607 i=strlen(p);
1608 if ( ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) ||
1609 ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) ||
1610 ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0)))
1611 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
1612 else
1613 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
1614 }
1615 /* send the file */
1616 total_bytes=0;
1617 for (;;)
1618 {
1619 i=BIO_read(file,buf,bufsize);
1620 if (i <= 0) break;
1621
1622 #ifdef RENEG
1623 total_bytes+=i;
1624 fprintf(stderr,"%d\n",i);
1625 if (total_bytes > 3*1024)
1626 {
1627 total_bytes=0;
1628 fprintf(stderr,"RENEGOTIATE\n");
1629 SSL_renegotiate(con);
1630 }
1631 #endif
1632
1633 for (j=0; j<i; )
1634 {
1635 #ifdef RENEG
1636 { static count=0; if (++count == 13) { SSL_renegotiate(con); } }
1637 #endif
1638 k=BIO_write(io,&(buf[j]),i-j);
1639 if (k <= 0)
1640 {
1641 if (!BIO_should_retry(io))
1642 goto write_error;
1643 else
1644 {
1645 BIO_printf(bio_s_out,"rwrite W BLOCK\n");
1646 }
1647 }
1648 else
1649 {
1650 j+=k;
1651 }
1652 }
1653 }
1654 write_error:
1655 BIO_free(file);
1656 break;
1657 }
1658 }
1659
1660 for (;;)
1661 {
1662 i=(int)BIO_flush(io);
1663 if (i <= 0)
1664 {
1665 if (!BIO_should_retry(io))
1666 break;
1667 }
1668 else
1669 break;
1670 }
1671 end:
1672 #if 1
1673 /* make sure we re-use sessions */
1674 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
1675 #else
1676 /* This kills performance */
1677 /* SSL_shutdown(con); A shutdown gets sent in the
1678 * BIO_free_all(io) procession */
1679 #endif
1680
1681 err:
1682
1683 if (ret >= 0)
1684 BIO_printf(bio_s_out,"ACCEPT\n");
1685
1686 if (buf != NULL) OPENSSL_free(buf);
1687 if (io != NULL) BIO_free_all(io);
1688 /* if (ssl_bio != NULL) BIO_free(ssl_bio);*/
1689 return(ret);
1690 }
1691
1692 #ifndef OPENSSL_NO_RSA
1693 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
1694 {
1695 static RSA *rsa_tmp=NULL;
1696
1697 if (rsa_tmp == NULL)
1698 {
1699 if (!s_quiet)
1700 {
1701 BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
1702 (void)BIO_flush(bio_err);
1703 }
1704 rsa_tmp=RSA_generate_key(keylength,RSA_F4,NULL,NULL);
1705 if (!s_quiet)
1706 {
1707 BIO_printf(bio_err,"\n");
1708 (void)BIO_flush(bio_err);
1709 }
1710 }
1711 return(rsa_tmp);
1712 }
1713 #endif
1714
1715 #define MAX_SESSION_ID_ATTEMPTS 10
1716 static int generate_session_id(const SSL *ssl, unsigned char *id,
1717 unsigned int *id_len)
1718 {
1719 unsigned int count = 0;
1720 do {
1721 RAND_pseudo_bytes(id, *id_len);
1722 /* Prefix the session_id with the required prefix. NB: If our
1723 * prefix is too long, clip it - but there will be worse effects
1724 * anyway, eg. the server could only possibly create 1 session
1725 * ID (ie. the prefix!) so all future session negotiations will
1726 * fail due to conflicts. */
1727 memcpy(id, session_id_prefix,
1728 (strlen(session_id_prefix) < *id_len) ?
1729 strlen(session_id_prefix) : *id_len);
1730 }
1731 while(SSL_has_matching_session_id(ssl, id, *id_len) &&
1732 (++count < MAX_SESSION_ID_ATTEMPTS));
1733 if(count >= MAX_SESSION_ID_ATTEMPTS)
1734 return 0;
1735 return 1;
1736 }
DragonFly BSD