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Allow various X509_STORE_CTX properties to be
[thirdparty/openssl.git] / apps / s_server.c
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 #include <assert.h>
60 #include <stdio.h>
61 #include <stdlib.h>
62 #include <string.h>
63 #include <sys/types.h>
64 #include <sys/stat.h>
65 #include <openssl/e_os2.h>
66 #ifdef OPENSSL_NO_STDIO
67 #define APPS_WIN16
68 #endif
69
70 /* With IPv6, it looks like Digital has mixed up the proper order of
71 recursive header file inclusion, resulting in the compiler complaining
72 that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which
73 is needed to have fileno() declared correctly... So let's define u_int */
74 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
75 #define __U_INT
76 typedef unsigned int u_int;
77 #endif
78
79 #include <openssl/lhash.h>
80 #include <openssl/bn.h>
81 #define USE_SOCKETS
82 #include "apps.h"
83 #include <openssl/err.h>
84 #include <openssl/pem.h>
85 #include <openssl/x509.h>
86 #include <openssl/ssl.h>
87 #include <openssl/engine.h>
88 #include "s_apps.h"
89
90 #ifdef OPENSSL_SYS_WINDOWS
91 #include <conio.h>
92 #endif
93
94 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
95 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
96 #undef FIONBIO
97 #endif
98
99 #ifndef OPENSSL_NO_RSA
100 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength);
101 #endif
102 static int sv_body(char *hostname, int s, unsigned char *context);
103 static int www_body(char *hostname, int s, unsigned char *context);
104 static void close_accept_socket(void );
105 static void sv_usage(void);
106 static int init_ssl_connection(SSL *s);
107 static void print_stats(BIO *bp,SSL_CTX *ctx);
108 static int generate_session_id(const SSL *ssl, unsigned char *id,
109 unsigned int *id_len);
110 #ifndef OPENSSL_NO_DH
111 static DH *load_dh_param(char *dhfile);
112 static DH *get_dh512(void);
113 #endif
114 #ifdef MONOLITH
115 static void s_server_init(void);
116 #endif
117
118 #ifndef S_ISDIR
119 # if defined(_S_IFMT) && defined(_S_IFDIR)
120 # define S_ISDIR(a) (((a) & _S_IFMT) == _S_IFDIR)
121 # else
122 # define S_ISDIR(a) (((a) & S_IFMT) == S_IFDIR)
123 # endif
124 #endif
125
126 #ifndef OPENSSL_NO_DH
127 static unsigned char dh512_p[]={
128 0xDA,0x58,0x3C,0x16,0xD9,0x85,0x22,0x89,0xD0,0xE4,0xAF,0x75,
129 0x6F,0x4C,0xCA,0x92,0xDD,0x4B,0xE5,0x33,0xB8,0x04,0xFB,0x0F,
130 0xED,0x94,0xEF,0x9C,0x8A,0x44,0x03,0xED,0x57,0x46,0x50,0xD3,
131 0x69,0x99,0xDB,0x29,0xD7,0x76,0x27,0x6B,0xA2,0xD3,0xD4,0x12,
132 0xE2,0x18,0xF4,0xDD,0x1E,0x08,0x4C,0xF6,0xD8,0x00,0x3E,0x7C,
133 0x47,0x74,0xE8,0x33,
134 };
135 static unsigned char dh512_g[]={
136 0x02,
137 };
138
139 static DH *get_dh512(void)
140 {
141 DH *dh=NULL;
142
143 if ((dh=DH_new()) == NULL) return(NULL);
144 dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
145 dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
146 if ((dh->p == NULL) || (dh->g == NULL))
147 return(NULL);
148 return(dh);
149 }
150 #endif
151
152 /* static int load_CA(SSL_CTX *ctx, char *file);*/
153
154 #undef BUFSIZZ
155 #define BUFSIZZ 16*1024
156 static int bufsize=BUFSIZZ;
157 static int accept_socket= -1;
158
159 #define TEST_CERT "server.pem"
160 #undef PROG
161 #define PROG s_server_main
162
163 extern int verify_depth;
164
165 static char *cipher=NULL;
166 static int s_server_verify=SSL_VERIFY_NONE;
167 static int s_server_session_id_context = 1; /* anything will do */
168 static char *s_cert_file=TEST_CERT,*s_key_file=NULL;
169 static char *s_dcert_file=NULL,*s_dkey_file=NULL;
170 #ifdef FIONBIO
171 static int s_nbio=0;
172 #endif
173 static int s_nbio_test=0;
174 int s_crlf=0;
175 static SSL_CTX *ctx=NULL;
176 static int www=0;
177
178 static BIO *bio_s_out=NULL;
179 static int s_debug=0;
180 static int s_quiet=0;
181
182 static int hack=0;
183 static char *engine_id=NULL;
184 static const char *session_id_prefix=NULL;
185
186 #ifdef MONOLITH
187 static void s_server_init(void)
188 {
189 accept_socket=-1;
190 cipher=NULL;
191 s_server_verify=SSL_VERIFY_NONE;
192 s_dcert_file=NULL;
193 s_dkey_file=NULL;
194 s_cert_file=TEST_CERT;
195 s_key_file=NULL;
196 #ifdef FIONBIO
197 s_nbio=0;
198 #endif
199 s_nbio_test=0;
200 ctx=NULL;
201 www=0;
202
203 bio_s_out=NULL;
204 s_debug=0;
205 s_quiet=0;
206 hack=0;
207 engine_id=NULL;
208 }
209 #endif
210
211 static void sv_usage(void)
212 {
213 BIO_printf(bio_err,"usage: s_server [args ...]\n");
214 BIO_printf(bio_err,"\n");
215 BIO_printf(bio_err," -accept arg - port to accept on (default is %d)\n",PORT);
216 BIO_printf(bio_err," -context arg - set session ID context\n");
217 BIO_printf(bio_err," -verify arg - turn on peer certificate verification\n");
218 BIO_printf(bio_err," -Verify arg - turn on peer certificate verification, must have a cert.\n");
219 BIO_printf(bio_err," -cert arg - certificate file to use, PEM format assumed\n");
220 BIO_printf(bio_err," (default is %s)\n",TEST_CERT);
221 BIO_printf(bio_err," -key arg - Private Key file to use, PEM format assumed, in cert file if\n");
222 BIO_printf(bio_err," not specified (default is %s)\n",TEST_CERT);
223 BIO_printf(bio_err," -dcert arg - second certificate file to use (usually for DSA)\n");
224 BIO_printf(bio_err," -dkey arg - second private key file to use (usually for DSA)\n");
225 BIO_printf(bio_err," -dhparam arg - DH parameter file to use, in cert file if not specified\n");
226 BIO_printf(bio_err," or a default set of parameters is used\n");
227 #ifdef FIONBIO
228 BIO_printf(bio_err," -nbio - Run with non-blocking IO\n");
229 #endif
230 BIO_printf(bio_err," -nbio_test - test with the non-blocking test bio\n");
231 BIO_printf(bio_err," -crlf - convert LF from terminal into CRLF\n");
232 BIO_printf(bio_err," -debug - Print more output\n");
233 BIO_printf(bio_err," -state - Print the SSL states\n");
234 BIO_printf(bio_err," -CApath arg - PEM format directory of CA's\n");
235 BIO_printf(bio_err," -CAfile arg - PEM format file of CA's\n");
236 BIO_printf(bio_err," -nocert - Don't use any certificates (Anon-DH)\n");
237 BIO_printf(bio_err," -cipher arg - play with 'openssl ciphers' to see what goes here\n");
238 BIO_printf(bio_err," -serverpref - Use server's cipher preferences\n");
239 BIO_printf(bio_err," -quiet - No server output\n");
240 BIO_printf(bio_err," -no_tmp_rsa - Do not generate a tmp RSA key\n");
241 BIO_printf(bio_err," -ssl2 - Just talk SSLv2\n");
242 BIO_printf(bio_err," -ssl3 - Just talk SSLv3\n");
243 BIO_printf(bio_err," -tls1 - Just talk TLSv1\n");
244 BIO_printf(bio_err," -no_ssl2 - Just disable SSLv2\n");
245 BIO_printf(bio_err," -no_ssl3 - Just disable SSLv3\n");
246 BIO_printf(bio_err," -no_tls1 - Just disable TLSv1\n");
247 #ifndef OPENSSL_NO_DH
248 BIO_printf(bio_err," -no_dhe - Disable ephemeral DH\n");
249 #endif
250 BIO_printf(bio_err," -bugs - Turn on SSL bug compatibility\n");
251 BIO_printf(bio_err," -www - Respond to a 'GET /' with a status page\n");
252 BIO_printf(bio_err," -WWW - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
253 BIO_printf(bio_err," -HTTP - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
254 BIO_printf(bio_err," with the assumption it contains a complete HTTP response.\n");
255 BIO_printf(bio_err," -engine id - Initialise and use the specified engine\n");
256 BIO_printf(bio_err," -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n");
257 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
258 }
259
260 static int local_argc=0;
261 static char **local_argv;
262
263 #ifdef CHARSET_EBCDIC
264 static int ebcdic_new(BIO *bi);
265 static int ebcdic_free(BIO *a);
266 static int ebcdic_read(BIO *b, char *out, int outl);
267 static int ebcdic_write(BIO *b, char *in, int inl);
268 static long ebcdic_ctrl(BIO *b, int cmd, long num, char *ptr);
269 static int ebcdic_gets(BIO *bp, char *buf, int size);
270 static int ebcdic_puts(BIO *bp, char *str);
271
272 #define BIO_TYPE_EBCDIC_FILTER (18|0x0200)
273 static BIO_METHOD methods_ebcdic=
274 {
275 BIO_TYPE_EBCDIC_FILTER,
276 "EBCDIC/ASCII filter",
277 ebcdic_write,
278 ebcdic_read,
279 ebcdic_puts,
280 ebcdic_gets,
281 ebcdic_ctrl,
282 ebcdic_new,
283 ebcdic_free,
284 };
285
286 typedef struct
287 {
288 size_t alloced;
289 char buff[1];
290 } EBCDIC_OUTBUFF;
291
292 BIO_METHOD *BIO_f_ebcdic_filter()
293 {
294 return(&methods_ebcdic);
295 }
296
297 static int ebcdic_new(BIO *bi)
298 {
299 EBCDIC_OUTBUFF *wbuf;
300
301 wbuf = (EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024);
302 wbuf->alloced = 1024;
303 wbuf->buff[0] = '\0';
304
305 bi->ptr=(char *)wbuf;
306 bi->init=1;
307 bi->flags=0;
308 return(1);
309 }
310
311 static int ebcdic_free(BIO *a)
312 {
313 if (a == NULL) return(0);
314 if (a->ptr != NULL)
315 OPENSSL_free(a->ptr);
316 a->ptr=NULL;
317 a->init=0;
318 a->flags=0;
319 return(1);
320 }
321
322 static int ebcdic_read(BIO *b, char *out, int outl)
323 {
324 int ret=0;
325
326 if (out == NULL || outl == 0) return(0);
327 if (b->next_bio == NULL) return(0);
328
329 ret=BIO_read(b->next_bio,out,outl);
330 if (ret > 0)
331 ascii2ebcdic(out,out,ret);
332 return(ret);
333 }
334
335 static int ebcdic_write(BIO *b, char *in, int inl)
336 {
337 EBCDIC_OUTBUFF *wbuf;
338 int ret=0;
339 int num;
340 unsigned char n;
341
342 if ((in == NULL) || (inl <= 0)) return(0);
343 if (b->next_bio == NULL) return(0);
344
345 wbuf=(EBCDIC_OUTBUFF *)b->ptr;
346
347 if (inl > (num = wbuf->alloced))
348 {
349 num = num + num; /* double the size */
350 if (num < inl)
351 num = inl;
352 OPENSSL_free(wbuf);
353 wbuf=(EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num);
354
355 wbuf->alloced = num;
356 wbuf->buff[0] = '\0';
357
358 b->ptr=(char *)wbuf;
359 }
360
361 ebcdic2ascii(wbuf->buff, in, inl);
362
363 ret=BIO_write(b->next_bio, wbuf->buff, inl);
364
365 return(ret);
366 }
367
368 static long ebcdic_ctrl(BIO *b, int cmd, long num, char *ptr)
369 {
370 long ret;
371
372 if (b->next_bio == NULL) return(0);
373 switch (cmd)
374 {
375 case BIO_CTRL_DUP:
376 ret=0L;
377 break;
378 default:
379 ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
380 break;
381 }
382 return(ret);
383 }
384
385 static int ebcdic_gets(BIO *bp, char *buf, int size)
386 {
387 int i, ret;
388 if (bp->next_bio == NULL) return(0);
389 /* return(BIO_gets(bp->next_bio,buf,size));*/
390 for (i=0; i<size-1; ++i)
391 {
392 ret = ebcdic_read(bp,&buf[i],1);
393 if (ret <= 0)
394 break;
395 else if (buf[i] == '\n')
396 {
397 ++i;
398 break;
399 }
400 }
401 if (i < size)
402 buf[i] = '\0';
403 return (ret < 0 && i == 0) ? ret : i;
404 }
405
406 static int ebcdic_puts(BIO *bp, char *str)
407 {
408 if (bp->next_bio == NULL) return(0);
409 return ebcdic_write(bp, str, strlen(str));
410 }
411 #endif
412
413 int MAIN(int, char **);
414
415 int MAIN(int argc, char *argv[])
416 {
417 X509_STORE *store = NULL;
418 int vflags = 0;
419 short port=PORT;
420 char *CApath=NULL,*CAfile=NULL;
421 char *context = NULL;
422 char *dhfile = NULL;
423 int badop=0,bugs=0;
424 int ret=1;
425 int off=0;
426 int no_tmp_rsa=0,no_dhe=0,nocert=0;
427 int state=0;
428 SSL_METHOD *meth=NULL;
429 ENGINE *e=NULL;
430 char *inrand=NULL;
431
432 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
433 meth=SSLv23_server_method();
434 #elif !defined(OPENSSL_NO_SSL3)
435 meth=SSLv3_server_method();
436 #elif !defined(OPENSSL_NO_SSL2)
437 meth=SSLv2_server_method();
438 #endif
439
440 local_argc=argc;
441 local_argv=argv;
442
443 apps_startup();
444 #ifdef MONOLITH
445 s_server_init();
446 #endif
447
448 if (bio_err == NULL)
449 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
450
451 verify_depth=0;
452 #ifdef FIONBIO
453 s_nbio=0;
454 #endif
455 s_nbio_test=0;
456
457 argc--;
458 argv++;
459
460 while (argc >= 1)
461 {
462 if ((strcmp(*argv,"-port") == 0) ||
463 (strcmp(*argv,"-accept") == 0))
464 {
465 if (--argc < 1) goto bad;
466 if (!extract_port(*(++argv),&port))
467 goto bad;
468 }
469 else if (strcmp(*argv,"-verify") == 0)
470 {
471 s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
472 if (--argc < 1) goto bad;
473 verify_depth=atoi(*(++argv));
474 BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
475 }
476 else if (strcmp(*argv,"-Verify") == 0)
477 {
478 s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT|
479 SSL_VERIFY_CLIENT_ONCE;
480 if (--argc < 1) goto bad;
481 verify_depth=atoi(*(++argv));
482 BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth);
483 }
484 else if (strcmp(*argv,"-context") == 0)
485 {
486 if (--argc < 1) goto bad;
487 context= *(++argv);
488 }
489 else if (strcmp(*argv,"-cert") == 0)
490 {
491 if (--argc < 1) goto bad;
492 s_cert_file= *(++argv);
493 }
494 else if (strcmp(*argv,"-key") == 0)
495 {
496 if (--argc < 1) goto bad;
497 s_key_file= *(++argv);
498 }
499 else if (strcmp(*argv,"-dhparam") == 0)
500 {
501 if (--argc < 1) goto bad;
502 dhfile = *(++argv);
503 }
504 else if (strcmp(*argv,"-dcert") == 0)
505 {
506 if (--argc < 1) goto bad;
507 s_dcert_file= *(++argv);
508 }
509 else if (strcmp(*argv,"-dkey") == 0)
510 {
511 if (--argc < 1) goto bad;
512 s_dkey_file= *(++argv);
513 }
514 else if (strcmp(*argv,"-nocert") == 0)
515 {
516 nocert=1;
517 }
518 else if (strcmp(*argv,"-CApath") == 0)
519 {
520 if (--argc < 1) goto bad;
521 CApath= *(++argv);
522 }
523 else if (strcmp(*argv,"-crl_check") == 0)
524 {
525 vflags |= X509_V_FLAG_CRL_CHECK;
526 }
527 else if (strcmp(*argv,"-crl_check") == 0)
528 {
529 vflags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;
530 }
531 else if (strcmp(*argv,"-serverpref") == 0)
532 { off|=SSL_OP_CIPHER_SERVER_PREFERENCE; }
533 else if (strcmp(*argv,"-cipher") == 0)
534 {
535 if (--argc < 1) goto bad;
536 cipher= *(++argv);
537 }
538 else if (strcmp(*argv,"-CAfile") == 0)
539 {
540 if (--argc < 1) goto bad;
541 CAfile= *(++argv);
542 }
543 #ifdef FIONBIO
544 else if (strcmp(*argv,"-nbio") == 0)
545 { s_nbio=1; }
546 #endif
547 else if (strcmp(*argv,"-nbio_test") == 0)
548 {
549 #ifdef FIONBIO
550 s_nbio=1;
551 #endif
552 s_nbio_test=1;
553 }
554 else if (strcmp(*argv,"-debug") == 0)
555 { s_debug=1; }
556 else if (strcmp(*argv,"-hack") == 0)
557 { hack=1; }
558 else if (strcmp(*argv,"-state") == 0)
559 { state=1; }
560 else if (strcmp(*argv,"-crlf") == 0)
561 { s_crlf=1; }
562 else if (strcmp(*argv,"-quiet") == 0)
563 { s_quiet=1; }
564 else if (strcmp(*argv,"-bugs") == 0)
565 { bugs=1; }
566 else if (strcmp(*argv,"-no_tmp_rsa") == 0)
567 { no_tmp_rsa=1; }
568 else if (strcmp(*argv,"-no_dhe") == 0)
569 { no_dhe=1; }
570 else if (strcmp(*argv,"-www") == 0)
571 { www=1; }
572 else if (strcmp(*argv,"-WWW") == 0)
573 { www=2; }
574 else if (strcmp(*argv,"-HTTP") == 0)
575 { www=3; }
576 else if (strcmp(*argv,"-no_ssl2") == 0)
577 { off|=SSL_OP_NO_SSLv2; }
578 else if (strcmp(*argv,"-no_ssl3") == 0)
579 { off|=SSL_OP_NO_SSLv3; }
580 else if (strcmp(*argv,"-no_tls1") == 0)
581 { off|=SSL_OP_NO_TLSv1; }
582 #ifndef OPENSSL_NO_SSL2
583 else if (strcmp(*argv,"-ssl2") == 0)
584 { meth=SSLv2_server_method(); }
585 #endif
586 #ifndef OPENSSL_NO_SSL3
587 else if (strcmp(*argv,"-ssl3") == 0)
588 { meth=SSLv3_server_method(); }
589 #endif
590 #ifndef OPENSSL_NO_TLS1
591 else if (strcmp(*argv,"-tls1") == 0)
592 { meth=TLSv1_server_method(); }
593 #endif
594 else if (strcmp(*argv, "-id_prefix") == 0)
595 {
596 if (--argc < 1) goto bad;
597 session_id_prefix = *(++argv);
598 }
599 else if (strcmp(*argv,"-engine") == 0)
600 {
601 if (--argc < 1) goto bad;
602 engine_id= *(++argv);
603 }
604 else if (strcmp(*argv,"-rand") == 0)
605 {
606 if (--argc < 1) goto bad;
607 inrand= *(++argv);
608 }
609 else
610 {
611 BIO_printf(bio_err,"unknown option %s\n",*argv);
612 badop=1;
613 break;
614 }
615 argc--;
616 argv++;
617 }
618 if (badop)
619 {
620 bad:
621 sv_usage();
622 goto end;
623 }
624
625 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
626 && !RAND_status())
627 {
628 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
629 }
630 if (inrand != NULL)
631 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
632 app_RAND_load_files(inrand));
633
634 if (bio_s_out == NULL)
635 {
636 if (s_quiet && !s_debug)
637 {
638 bio_s_out=BIO_new(BIO_s_null());
639 }
640 else
641 {
642 if (bio_s_out == NULL)
643 bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE);
644 }
645 }
646
647 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA)
648 if (nocert)
649 #endif
650 {
651 s_cert_file=NULL;
652 s_key_file=NULL;
653 s_dcert_file=NULL;
654 s_dkey_file=NULL;
655 }
656
657 SSL_load_error_strings();
658 OpenSSL_add_ssl_algorithms();
659
660 if (engine_id != NULL)
661 {
662 if((e = ENGINE_by_id(engine_id)) == NULL)
663 {
664 BIO_printf(bio_err,"invalid engine\n");
665 ERR_print_errors(bio_err);
666 goto end;
667 }
668 if (s_debug)
669 {
670 ENGINE_ctrl(e, ENGINE_CTRL_SET_LOGSTREAM,
671 0, bio_err, 0);
672 }
673 if(!ENGINE_set_default(e, ENGINE_METHOD_ALL))
674 {
675 BIO_printf(bio_err,"can't use that engine\n");
676 ERR_print_errors(bio_err);
677 goto end;
678 }
679 BIO_printf(bio_err,"engine \"%s\" set.\n", engine_id);
680 ENGINE_free(e);
681 }
682
683 ctx=SSL_CTX_new(meth);
684 if (ctx == NULL)
685 {
686 ERR_print_errors(bio_err);
687 goto end;
688 }
689 if (session_id_prefix)
690 {
691 if(strlen(session_id_prefix) >= 32)
692 BIO_printf(bio_err,
693 "warning: id_prefix is too long, only one new session will be possible\n");
694 else if(strlen(session_id_prefix) >= 16)
695 BIO_printf(bio_err,
696 "warning: id_prefix is too long if you use SSLv2\n");
697 if(!SSL_CTX_set_generate_session_id(ctx, generate_session_id))
698 {
699 BIO_printf(bio_err,"error setting 'id_prefix'\n");
700 ERR_print_errors(bio_err);
701 goto end;
702 }
703 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
704 }
705 SSL_CTX_set_quiet_shutdown(ctx,1);
706 if (bugs) SSL_CTX_set_options(ctx,SSL_OP_ALL);
707 if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
708 SSL_CTX_set_options(ctx,off);
709 if (hack) SSL_CTX_set_options(ctx,SSL_OP_NON_EXPORT_FIRST);
710
711 if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
712
713 SSL_CTX_sess_set_cache_size(ctx,128);
714
715 #if 0
716 if (cipher == NULL) cipher=getenv("SSL_CIPHER");
717 #endif
718
719 #if 0
720 if (s_cert_file == NULL)
721 {
722 BIO_printf(bio_err,"You must specify a certificate file for the server to use\n");
723 goto end;
724 }
725 #endif
726
727 if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
728 (!SSL_CTX_set_default_verify_paths(ctx)))
729 {
730 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
731 ERR_print_errors(bio_err);
732 /* goto end; */
733 }
734 store = SSL_CTX_get_cert_store(ctx);
735 X509_STORE_set_flags(store, vflags);
736
737 #ifndef OPENSSL_NO_DH
738 if (!no_dhe)
739 {
740 DH *dh=NULL;
741
742 if (dhfile)
743 dh = load_dh_param(dhfile);
744 else if (s_cert_file)
745 dh = load_dh_param(s_cert_file);
746
747 if (dh != NULL)
748 {
749 BIO_printf(bio_s_out,"Setting temp DH parameters\n");
750 }
751 else
752 {
753 BIO_printf(bio_s_out,"Using default temp DH parameters\n");
754 dh=get_dh512();
755 }
756 (void)BIO_flush(bio_s_out);
757
758 SSL_CTX_set_tmp_dh(ctx,dh);
759 DH_free(dh);
760 }
761 #endif
762
763 if (!set_cert_stuff(ctx,s_cert_file,s_key_file))
764 goto end;
765 if (s_dcert_file != NULL)
766 {
767 if (!set_cert_stuff(ctx,s_dcert_file,s_dkey_file))
768 goto end;
769 }
770
771 #ifndef OPENSSL_NO_RSA
772 #if 1
773 if (!no_tmp_rsa)
774 SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
775 #else
776 if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx))
777 {
778 RSA *rsa;
779
780 BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key...");
781 BIO_flush(bio_s_out);
782
783 rsa=RSA_generate_key(512,RSA_F4,NULL);
784
785 if (!SSL_CTX_set_tmp_rsa(ctx,rsa))
786 {
787 ERR_print_errors(bio_err);
788 goto end;
789 }
790 RSA_free(rsa);
791 BIO_printf(bio_s_out,"\n");
792 }
793 #endif
794 #endif
795
796 if (cipher != NULL)
797 if(!SSL_CTX_set_cipher_list(ctx,cipher)) {
798 BIO_printf(bio_err,"error setting cipher list\n");
799 ERR_print_errors(bio_err);
800 goto end;
801 }
802 SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
803 SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
804 sizeof s_server_session_id_context);
805
806 if (CAfile != NULL)
807 SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
808
809 BIO_printf(bio_s_out,"ACCEPT\n");
810 if (www)
811 do_server(port,&accept_socket,www_body, context);
812 else
813 do_server(port,&accept_socket,sv_body, context);
814 print_stats(bio_s_out,ctx);
815 ret=0;
816 end:
817 if (ctx != NULL) SSL_CTX_free(ctx);
818 if (bio_s_out != NULL)
819 {
820 BIO_free(bio_s_out);
821 bio_s_out=NULL;
822 }
823 EXIT(ret);
824 }
825
826 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
827 {
828 BIO_printf(bio,"%4ld items in the session cache\n",
829 SSL_CTX_sess_number(ssl_ctx));
830 BIO_printf(bio,"%4d client connects (SSL_connect())\n",
831 SSL_CTX_sess_connect(ssl_ctx));
832 BIO_printf(bio,"%4d client renegotiates (SSL_connect())\n",
833 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
834 BIO_printf(bio,"%4d client connects that finished\n",
835 SSL_CTX_sess_connect_good(ssl_ctx));
836 BIO_printf(bio,"%4d server accepts (SSL_accept())\n",
837 SSL_CTX_sess_accept(ssl_ctx));
838 BIO_printf(bio,"%4d server renegotiates (SSL_accept())\n",
839 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
840 BIO_printf(bio,"%4d server accepts that finished\n",
841 SSL_CTX_sess_accept_good(ssl_ctx));
842 BIO_printf(bio,"%4d session cache hits\n",SSL_CTX_sess_hits(ssl_ctx));
843 BIO_printf(bio,"%4d session cache misses\n",SSL_CTX_sess_misses(ssl_ctx));
844 BIO_printf(bio,"%4d session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx));
845 BIO_printf(bio,"%4d callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx));
846 BIO_printf(bio,"%4d cache full overflows (%d allowed)\n",
847 SSL_CTX_sess_cache_full(ssl_ctx),
848 SSL_CTX_sess_get_cache_size(ssl_ctx));
849 }
850
851 static int sv_body(char *hostname, int s, unsigned char *context)
852 {
853 char *buf=NULL;
854 fd_set readfds;
855 int ret=1,width;
856 int k,i;
857 unsigned long l;
858 SSL *con=NULL;
859 BIO *sbio;
860 #ifdef OPENSSL_SYS_WINDOWS
861 struct timeval tv;
862 #endif
863
864 if ((buf=OPENSSL_malloc(bufsize)) == NULL)
865 {
866 BIO_printf(bio_err,"out of memory\n");
867 goto err;
868 }
869 #ifdef FIONBIO
870 if (s_nbio)
871 {
872 unsigned long sl=1;
873
874 if (!s_quiet)
875 BIO_printf(bio_err,"turning on non blocking io\n");
876 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
877 ERR_print_errors(bio_err);
878 }
879 #endif
880
881 if (con == NULL) {
882 con=SSL_new(ctx);
883 #ifndef OPENSSL_NO_KRB5
884 if ((con->kssl_ctx = kssl_ctx_new()) != NULL)
885 {
886 kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVICE, KRB5SVC);
887 kssl_ctx_setstring(con->kssl_ctx, KSSL_KEYTAB, KRB5KEYTAB);
888 }
889 #endif /* OPENSSL_NO_KRB5 */
890 if(context)
891 SSL_set_session_id_context(con, context,
892 strlen((char *)context));
893 }
894 SSL_clear(con);
895
896 sbio=BIO_new_socket(s,BIO_NOCLOSE);
897 if (s_nbio_test)
898 {
899 BIO *test;
900
901 test=BIO_new(BIO_f_nbio_test());
902 sbio=BIO_push(test,sbio);
903 }
904 SSL_set_bio(con,sbio,sbio);
905 SSL_set_accept_state(con);
906 /* SSL_set_fd(con,s); */
907
908 if (s_debug)
909 {
910 con->debug=1;
911 BIO_set_callback(SSL_get_rbio(con),bio_dump_cb);
912 BIO_set_callback_arg(SSL_get_rbio(con),bio_s_out);
913 }
914
915 width=s+1;
916 for (;;)
917 {
918 int read_from_terminal;
919 int read_from_sslcon;
920
921 read_from_terminal = 0;
922 read_from_sslcon = SSL_pending(con);
923
924 if (!read_from_sslcon)
925 {
926 FD_ZERO(&readfds);
927 #ifndef OPENSSL_SYS_WINDOWS
928 FD_SET(fileno(stdin),&readfds);
929 #endif
930 FD_SET(s,&readfds);
931 /* Note: under VMS with SOCKETSHR the second parameter is
932 * currently of type (int *) whereas under other systems
933 * it is (void *) if you don't have a cast it will choke
934 * the compiler: if you do have a cast then you can either
935 * go for (int *) or (void *).
936 */
937 #ifdef OPENSSL_SYS_WINDOWS
938 /* Under Windows we can't select on stdin: only
939 * on sockets. As a workaround we timeout the select every
940 * second and check for any keypress. In a proper Windows
941 * application we wouldn't do this because it is inefficient.
942 */
943 tv.tv_sec = 1;
944 tv.tv_usec = 0;
945 i=select(width,(void *)&readfds,NULL,NULL,&tv);
946 if((i < 0) || (!i && !_kbhit() ) )continue;
947 if(_kbhit())
948 read_from_terminal = 1;
949 #else
950 i=select(width,(void *)&readfds,NULL,NULL,NULL);
951 if (i <= 0) continue;
952 if (FD_ISSET(fileno(stdin),&readfds))
953 read_from_terminal = 1;
954 #endif
955 if (FD_ISSET(s,&readfds))
956 read_from_sslcon = 1;
957 }
958 if (read_from_terminal)
959 {
960 if (s_crlf)
961 {
962 int j, lf_num;
963
964 i=read(fileno(stdin), buf, bufsize/2);
965 lf_num = 0;
966 /* both loops are skipped when i <= 0 */
967 for (j = 0; j < i; j++)
968 if (buf[j] == '\n')
969 lf_num++;
970 for (j = i-1; j >= 0; j--)
971 {
972 buf[j+lf_num] = buf[j];
973 if (buf[j] == '\n')
974 {
975 lf_num--;
976 i++;
977 buf[j+lf_num] = '\r';
978 }
979 }
980 assert(lf_num == 0);
981 }
982 else
983 i=read(fileno(stdin),buf,bufsize);
984 if (!s_quiet)
985 {
986 if ((i <= 0) || (buf[0] == 'Q'))
987 {
988 BIO_printf(bio_s_out,"DONE\n");
989 SHUTDOWN(s);
990 close_accept_socket();
991 ret= -11;
992 goto err;
993 }
994 if ((i <= 0) || (buf[0] == 'q'))
995 {
996 BIO_printf(bio_s_out,"DONE\n");
997 SHUTDOWN(s);
998 /* close_accept_socket();
999 ret= -11;*/
1000 goto err;
1001 }
1002 if ((buf[0] == 'r') &&
1003 ((buf[1] == '\n') || (buf[1] == '\r')))
1004 {
1005 SSL_renegotiate(con);
1006 i=SSL_do_handshake(con);
1007 printf("SSL_do_handshake -> %d\n",i);
1008 i=0; /*13; */
1009 continue;
1010 /* strcpy(buf,"server side RE-NEGOTIATE\n"); */
1011 }
1012 if ((buf[0] == 'R') &&
1013 ((buf[1] == '\n') || (buf[1] == '\r')))
1014 {
1015 SSL_set_verify(con,
1016 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
1017 SSL_renegotiate(con);
1018 i=SSL_do_handshake(con);
1019 printf("SSL_do_handshake -> %d\n",i);
1020 i=0; /* 13; */
1021 continue;
1022 /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
1023 }
1024 if (buf[0] == 'P')
1025 {
1026 static char *str="Lets print some clear text\n";
1027 BIO_write(SSL_get_wbio(con),str,strlen(str));
1028 }
1029 if (buf[0] == 'S')
1030 {
1031 print_stats(bio_s_out,SSL_get_SSL_CTX(con));
1032 }
1033 }
1034 #ifdef CHARSET_EBCDIC
1035 ebcdic2ascii(buf,buf,i);
1036 #endif
1037 l=k=0;
1038 for (;;)
1039 {
1040 /* should do a select for the write */
1041 #ifdef RENEG
1042 { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
1043 #endif
1044 k=SSL_write(con,&(buf[l]),(unsigned int)i);
1045 switch (SSL_get_error(con,k))
1046 {
1047 case SSL_ERROR_NONE:
1048 break;
1049 case SSL_ERROR_WANT_WRITE:
1050 case SSL_ERROR_WANT_READ:
1051 case SSL_ERROR_WANT_X509_LOOKUP:
1052 BIO_printf(bio_s_out,"Write BLOCK\n");
1053 break;
1054 case SSL_ERROR_SYSCALL:
1055 case SSL_ERROR_SSL:
1056 BIO_printf(bio_s_out,"ERROR\n");
1057 ERR_print_errors(bio_err);
1058 ret=1;
1059 goto err;
1060 /* break; */
1061 case SSL_ERROR_ZERO_RETURN:
1062 BIO_printf(bio_s_out,"DONE\n");
1063 ret=1;
1064 goto err;
1065 }
1066 l+=k;
1067 i-=k;
1068 if (i <= 0) break;
1069 }
1070 }
1071 if (read_from_sslcon)
1072 {
1073 if (!SSL_is_init_finished(con))
1074 {
1075 i=init_ssl_connection(con);
1076
1077 if (i < 0)
1078 {
1079 ret=0;
1080 goto err;
1081 }
1082 else if (i == 0)
1083 {
1084 ret=1;
1085 goto err;
1086 }
1087 }
1088 else
1089 {
1090 again:
1091 i=SSL_read(con,(char *)buf,bufsize);
1092 switch (SSL_get_error(con,i))
1093 {
1094 case SSL_ERROR_NONE:
1095 #ifdef CHARSET_EBCDIC
1096 ascii2ebcdic(buf,buf,i);
1097 #endif
1098 write(fileno(stdout),buf,
1099 (unsigned int)i);
1100 if (SSL_pending(con)) goto again;
1101 break;
1102 case SSL_ERROR_WANT_WRITE:
1103 case SSL_ERROR_WANT_READ:
1104 case SSL_ERROR_WANT_X509_LOOKUP:
1105 BIO_printf(bio_s_out,"Read BLOCK\n");
1106 break;
1107 case SSL_ERROR_SYSCALL:
1108 case SSL_ERROR_SSL:
1109 BIO_printf(bio_s_out,"ERROR\n");
1110 ERR_print_errors(bio_err);
1111 ret=1;
1112 goto err;
1113 case SSL_ERROR_ZERO_RETURN:
1114 BIO_printf(bio_s_out,"DONE\n");
1115 ret=1;
1116 goto err;
1117 }
1118 }
1119 }
1120 }
1121 err:
1122 BIO_printf(bio_s_out,"shutting down SSL\n");
1123 #if 1
1124 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
1125 #else
1126 SSL_shutdown(con);
1127 #endif
1128 if (con != NULL) SSL_free(con);
1129 BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
1130 if (buf != NULL)
1131 {
1132 memset(buf,0,bufsize);
1133 OPENSSL_free(buf);
1134 }
1135 if (ret >= 0)
1136 BIO_printf(bio_s_out,"ACCEPT\n");
1137 return(ret);
1138 }
1139
1140 static void close_accept_socket(void)
1141 {
1142 BIO_printf(bio_err,"shutdown accept socket\n");
1143 if (accept_socket >= 0)
1144 {
1145 SHUTDOWN2(accept_socket);
1146 }
1147 }
1148
1149 static int init_ssl_connection(SSL *con)
1150 {
1151 int i;
1152 const char *str;
1153 X509 *peer;
1154 long verify_error;
1155 MS_STATIC char buf[BUFSIZ];
1156
1157 if ((i=SSL_accept(con)) <= 0)
1158 {
1159 if (BIO_sock_should_retry(i))
1160 {
1161 BIO_printf(bio_s_out,"DELAY\n");
1162 return(1);
1163 }
1164
1165 BIO_printf(bio_err,"ERROR\n");
1166 verify_error=SSL_get_verify_result(con);
1167 if (verify_error != X509_V_OK)
1168 {
1169 BIO_printf(bio_err,"verify error:%s\n",
1170 X509_verify_cert_error_string(verify_error));
1171 }
1172 else
1173 ERR_print_errors(bio_err);
1174 return(0);
1175 }
1176
1177 PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con));
1178
1179 peer=SSL_get_peer_certificate(con);
1180 if (peer != NULL)
1181 {
1182 BIO_printf(bio_s_out,"Client certificate\n");
1183 PEM_write_bio_X509(bio_s_out,peer);
1184 X509_NAME_oneline(X509_get_subject_name(peer),buf,BUFSIZ);
1185 BIO_printf(bio_s_out,"subject=%s\n",buf);
1186 X509_NAME_oneline(X509_get_issuer_name(peer),buf,BUFSIZ);
1187 BIO_printf(bio_s_out,"issuer=%s\n",buf);
1188 X509_free(peer);
1189 }
1190
1191 if (SSL_get_shared_ciphers(con,buf,BUFSIZ) != NULL)
1192 BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
1193 str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
1194 BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
1195 if (con->hit) BIO_printf(bio_s_out,"Reused session-id\n");
1196 if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
1197 TLS1_FLAGS_TLS_PADDING_BUG)
1198 BIO_printf(bio_s_out,"Peer has incorrect TLSv1 block padding\n");
1199
1200 return(1);
1201 }
1202
1203 #ifndef OPENSSL_NO_DH
1204 static DH *load_dh_param(char *dhfile)
1205 {
1206 DH *ret=NULL;
1207 BIO *bio;
1208
1209 if ((bio=BIO_new_file(dhfile,"r")) == NULL)
1210 goto err;
1211 ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL);
1212 err:
1213 if (bio != NULL) BIO_free(bio);
1214 return(ret);
1215 }
1216 #endif
1217
1218 #if 0
1219 static int load_CA(SSL_CTX *ctx, char *file)
1220 {
1221 FILE *in;
1222 X509 *x=NULL;
1223
1224 if ((in=fopen(file,"r")) == NULL)
1225 return(0);
1226
1227 for (;;)
1228 {
1229 if (PEM_read_X509(in,&x,NULL) == NULL)
1230 break;
1231 SSL_CTX_add_client_CA(ctx,x);
1232 }
1233 if (x != NULL) X509_free(x);
1234 fclose(in);
1235 return(1);
1236 }
1237 #endif
1238
1239 static int www_body(char *hostname, int s, unsigned char *context)
1240 {
1241 char *buf=NULL;
1242 int ret=1;
1243 int i,j,k,blank,dot;
1244 struct stat st_buf;
1245 SSL *con;
1246 SSL_CIPHER *c;
1247 BIO *io,*ssl_bio,*sbio;
1248 long total_bytes;
1249
1250 buf=OPENSSL_malloc(bufsize);
1251 if (buf == NULL) return(0);
1252 io=BIO_new(BIO_f_buffer());
1253 ssl_bio=BIO_new(BIO_f_ssl());
1254 if ((io == NULL) || (ssl_bio == NULL)) goto err;
1255
1256 #ifdef FIONBIO
1257 if (s_nbio)
1258 {
1259 unsigned long sl=1;
1260
1261 if (!s_quiet)
1262 BIO_printf(bio_err,"turning on non blocking io\n");
1263 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
1264 ERR_print_errors(bio_err);
1265 }
1266 #endif
1267
1268 /* lets make the output buffer a reasonable size */
1269 if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
1270
1271 if ((con=SSL_new(ctx)) == NULL) goto err;
1272 if(context) SSL_set_session_id_context(con, context,
1273 strlen((char *)context));
1274
1275 sbio=BIO_new_socket(s,BIO_NOCLOSE);
1276 if (s_nbio_test)
1277 {
1278 BIO *test;
1279
1280 test=BIO_new(BIO_f_nbio_test());
1281 sbio=BIO_push(test,sbio);
1282 }
1283 SSL_set_bio(con,sbio,sbio);
1284 SSL_set_accept_state(con);
1285
1286 /* SSL_set_fd(con,s); */
1287 BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
1288 BIO_push(io,ssl_bio);
1289 #ifdef CHARSET_EBCDIC
1290 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
1291 #endif
1292
1293 if (s_debug)
1294 {
1295 con->debug=1;
1296 BIO_set_callback(SSL_get_rbio(con),bio_dump_cb);
1297 BIO_set_callback_arg(SSL_get_rbio(con),bio_s_out);
1298 }
1299
1300 blank=0;
1301 for (;;)
1302 {
1303 if (hack)
1304 {
1305 i=SSL_accept(con);
1306
1307 switch (SSL_get_error(con,i))
1308 {
1309 case SSL_ERROR_NONE:
1310 break;
1311 case SSL_ERROR_WANT_WRITE:
1312 case SSL_ERROR_WANT_READ:
1313 case SSL_ERROR_WANT_X509_LOOKUP:
1314 continue;
1315 case SSL_ERROR_SYSCALL:
1316 case SSL_ERROR_SSL:
1317 case SSL_ERROR_ZERO_RETURN:
1318 ret=1;
1319 goto err;
1320 /* break; */
1321 }
1322
1323 SSL_renegotiate(con);
1324 SSL_write(con,NULL,0);
1325 }
1326
1327 i=BIO_gets(io,buf,bufsize-1);
1328 if (i < 0) /* error */
1329 {
1330 if (!BIO_should_retry(io))
1331 {
1332 if (!s_quiet)
1333 ERR_print_errors(bio_err);
1334 goto err;
1335 }
1336 else
1337 {
1338 BIO_printf(bio_s_out,"read R BLOCK\n");
1339 #ifndef OPENSSL_SYS_MSDOS
1340 sleep(1);
1341 #endif
1342 continue;
1343 }
1344 }
1345 else if (i == 0) /* end of input */
1346 {
1347 ret=1;
1348 goto end;
1349 }
1350
1351 /* else we have data */
1352 if ( ((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
1353 ((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
1354 {
1355 char *p;
1356 X509 *peer;
1357 STACK_OF(SSL_CIPHER) *sk;
1358 static char *space=" ";
1359
1360 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
1361 BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n");
1362 BIO_puts(io,"<pre>\n");
1363 /* BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
1364 BIO_puts(io,"\n");
1365 for (i=0; i<local_argc; i++)
1366 {
1367 BIO_puts(io,local_argv[i]);
1368 BIO_write(io," ",1);
1369 }
1370 BIO_puts(io,"\n");
1371
1372 /* The following is evil and should not really
1373 * be done */
1374 BIO_printf(io,"Ciphers supported in s_server binary\n");
1375 sk=SSL_get_ciphers(con);
1376 j=sk_SSL_CIPHER_num(sk);
1377 for (i=0; i<j; i++)
1378 {
1379 c=sk_SSL_CIPHER_value(sk,i);
1380 BIO_printf(io,"%-11s:%-25s",
1381 SSL_CIPHER_get_version(c),
1382 SSL_CIPHER_get_name(c));
1383 if ((((i+1)%2) == 0) && (i+1 != j))
1384 BIO_puts(io,"\n");
1385 }
1386 BIO_puts(io,"\n");
1387 p=SSL_get_shared_ciphers(con,buf,bufsize);
1388 if (p != NULL)
1389 {
1390 BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
1391 j=i=0;
1392 while (*p)
1393 {
1394 if (*p == ':')
1395 {
1396 BIO_write(io,space,26-j);
1397 i++;
1398 j=0;
1399 BIO_write(io,((i%3)?" ":"\n"),1);
1400 }
1401 else
1402 {
1403 BIO_write(io,p,1);
1404 j++;
1405 }
1406 p++;
1407 }
1408 BIO_puts(io,"\n");
1409 }
1410 BIO_printf(io,((con->hit)
1411 ?"---\nReused, "
1412 :"---\nNew, "));
1413 c=SSL_get_current_cipher(con);
1414 BIO_printf(io,"%s, Cipher is %s\n",
1415 SSL_CIPHER_get_version(c),
1416 SSL_CIPHER_get_name(c));
1417 SSL_SESSION_print(io,SSL_get_session(con));
1418 BIO_printf(io,"---\n");
1419 print_stats(io,SSL_get_SSL_CTX(con));
1420 BIO_printf(io,"---\n");
1421 peer=SSL_get_peer_certificate(con);
1422 if (peer != NULL)
1423 {
1424 BIO_printf(io,"Client certificate\n");
1425 X509_print(io,peer);
1426 PEM_write_bio_X509(io,peer);
1427 }
1428 else
1429 BIO_puts(io,"no client certificate available\n");
1430 BIO_puts(io,"</BODY></HTML>\r\n\r\n");
1431 break;
1432 }
1433 else if ((www == 2 || www == 3)
1434 && (strncmp("GET /",buf,5) == 0))
1435 {
1436 BIO *file;
1437 char *p,*e;
1438 static char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
1439
1440 /* skip the '/' */
1441 p= &(buf[5]);
1442
1443 dot = 1;
1444 for (e=p; *e != '\0'; e++)
1445 {
1446 if (e[0] == ' ')
1447 break;
1448
1449 switch (dot)
1450 {
1451 case 1:
1452 dot = (e[0] == '.') ? 2 : 0;
1453 break;
1454 case 2:
1455 dot = (e[0] == '.') ? 3 : 0;
1456 break;
1457 case 3:
1458 dot = (e[0] == '/') ? -1 : 0;
1459 break;
1460 }
1461 if (dot == 0)
1462 dot = (e[0] == '/') ? 1 : 0;
1463 }
1464 dot = (dot == 3) || (dot == -1); /* filename contains ".." component */
1465
1466 if (*e == '\0')
1467 {
1468 BIO_puts(io,text);
1469 BIO_printf(io,"'%s' is an invalid file name\r\n",p);
1470 break;
1471 }
1472 *e='\0';
1473
1474 if (dot)
1475 {
1476 BIO_puts(io,text);
1477 BIO_printf(io,"'%s' contains '..' reference\r\n",p);
1478 break;
1479 }
1480
1481 if (*p == '/')
1482 {
1483 BIO_puts(io,text);
1484 BIO_printf(io,"'%s' is an invalid path\r\n",p);
1485 break;
1486 }
1487
1488 #if 0
1489 /* append if a directory lookup */
1490 if (e[-1] == '/')
1491 strcat(p,"index.html");
1492 #endif
1493
1494 /* if a directory, do the index thang */
1495 if (stat(p,&st_buf) < 0)
1496 {
1497 BIO_puts(io,text);
1498 BIO_printf(io,"Error accessing '%s'\r\n",p);
1499 ERR_print_errors(io);
1500 break;
1501 }
1502 if (S_ISDIR(st_buf.st_mode))
1503 {
1504 #if 0 /* must check buffer size */
1505 strcat(p,"/index.html");
1506 #else
1507 BIO_puts(io,text);
1508 BIO_printf(io,"'%s' is a directory\r\n",p);
1509 break;
1510 #endif
1511 }
1512
1513 if ((file=BIO_new_file(p,"r")) == NULL)
1514 {
1515 BIO_puts(io,text);
1516 BIO_printf(io,"Error opening '%s'\r\n",p);
1517 ERR_print_errors(io);
1518 break;
1519 }
1520
1521 if (!s_quiet)
1522 BIO_printf(bio_err,"FILE:%s\n",p);
1523
1524 if (www == 2)
1525 {
1526 i=strlen(p);
1527 if ( ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) ||
1528 ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) ||
1529 ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0)))
1530 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
1531 else
1532 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
1533 }
1534 /* send the file */
1535 total_bytes=0;
1536 for (;;)
1537 {
1538 i=BIO_read(file,buf,bufsize);
1539 if (i <= 0) break;
1540
1541 #ifdef RENEG
1542 total_bytes+=i;
1543 fprintf(stderr,"%d\n",i);
1544 if (total_bytes > 3*1024)
1545 {
1546 total_bytes=0;
1547 fprintf(stderr,"RENEGOTIATE\n");
1548 SSL_renegotiate(con);
1549 }
1550 #endif
1551
1552 for (j=0; j<i; )
1553 {
1554 #ifdef RENEG
1555 { static count=0; if (++count == 13) { SSL_renegotiate(con); } }
1556 #endif
1557 k=BIO_write(io,&(buf[j]),i-j);
1558 if (k <= 0)
1559 {
1560 if (!BIO_should_retry(io))
1561 goto write_error;
1562 else
1563 {
1564 BIO_printf(bio_s_out,"rwrite W BLOCK\n");
1565 }
1566 }
1567 else
1568 {
1569 j+=k;
1570 }
1571 }
1572 }
1573 write_error:
1574 BIO_free(file);
1575 break;
1576 }
1577 }
1578
1579 for (;;)
1580 {
1581 i=(int)BIO_flush(io);
1582 if (i <= 0)
1583 {
1584 if (!BIO_should_retry(io))
1585 break;
1586 }
1587 else
1588 break;
1589 }
1590 end:
1591 #if 1
1592 /* make sure we re-use sessions */
1593 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
1594 #else
1595 /* This kills performance */
1596 /* SSL_shutdown(con); A shutdown gets sent in the
1597 * BIO_free_all(io) procession */
1598 #endif
1599
1600 err:
1601
1602 if (ret >= 0)
1603 BIO_printf(bio_s_out,"ACCEPT\n");
1604
1605 if (buf != NULL) OPENSSL_free(buf);
1606 if (io != NULL) BIO_free_all(io);
1607 /* if (ssl_bio != NULL) BIO_free(ssl_bio);*/
1608 return(ret);
1609 }
1610
1611 #ifndef OPENSSL_NO_RSA
1612 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
1613 {
1614 static RSA *rsa_tmp=NULL;
1615
1616 if (rsa_tmp == NULL)
1617 {
1618 if (!s_quiet)
1619 {
1620 BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
1621 (void)BIO_flush(bio_err);
1622 }
1623 rsa_tmp=RSA_generate_key(keylength,RSA_F4,NULL,NULL);
1624 if (!s_quiet)
1625 {
1626 BIO_printf(bio_err,"\n");
1627 (void)BIO_flush(bio_err);
1628 }
1629 }
1630 return(rsa_tmp);
1631 }
1632 #endif
1633
1634 #define MAX_SESSION_ID_ATTEMPTS 10
1635 static int generate_session_id(const SSL *ssl, unsigned char *id,
1636 unsigned int *id_len)
1637 {
1638 unsigned int count = 0;
1639 do {
1640 RAND_pseudo_bytes(id, *id_len);
1641 /* Prefix the session_id with the required prefix. NB: If our
1642 * prefix is too long, clip it - but there will be worse effects
1643 * anyway, eg. the server could only possibly create 1 session
1644 * ID (ie. the prefix!) so all future session negotiations will
1645 * fail due to conflicts. */
1646 memcpy(id, session_id_prefix,
1647 (strlen(session_id_prefix) < *id_len) ?
1648 strlen(session_id_prefix) : *id_len);
1649 }
1650 while(SSL_has_matching_session_id(ssl, id, *id_len) &&
1651 (++count < MAX_SESSION_ID_ATTEMPTS));
1652 if(count >= MAX_SESSION_ID_ATTEMPTS)
1653 return 0;
1654 return 1;
1655 }
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