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Tomato 1.28
[tomato.git] / release / src / router / openssl / apps / s_server.c
blob624dfb5e419861f9aa6995a447dc4b353a7806df
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 #ifdef NO_STDIO
66 #define APPS_WIN16
67 #endif
68
69 /* With IPv6, it looks like Digital has mixed up the proper order of
70 recursive header file inclusion, resulting in the compiler complaining
71 that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which
72 is needed to have fileno() declared correctly... So let's define u_int */
73 #if defined(VMS) && defined(__DECC) && !defined(__U_INT)
74 #define __U_INT
75 typedef unsigned int u_int;
76 #endif
77
78 #include <openssl/lhash.h>
79 #include <openssl/bn.h>
80 #define USE_SOCKETS
81 #include "apps.h"
82 #include <openssl/err.h>
83 #include <openssl/pem.h>
84 #include <openssl/x509.h>
85 #include <openssl/ssl.h>
86 #include <openssl/rand.h>
87 #include "s_apps.h"
88
89 #ifdef WINDOWS
90 #include <conio.h>
91 #endif
92
93 #if (defined(VMS) && __VMS_VER < 70000000)
94 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
95 #undef FIONBIO
96 #endif
97
98 #ifndef NO_RSA
99 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength);
100 #endif
101 static int sv_body(char *hostname, int s, unsigned char *context);
102 static int www_body(char *hostname, int s, unsigned char *context);
103 static void close_accept_socket(void );
104 static void sv_usage(void);
105 static int init_ssl_connection(SSL *s);
106 static void print_stats(BIO *bp,SSL_CTX *ctx);
107 #ifndef NO_DH
108 static DH *load_dh_param(char *dhfile);
109 static DH *get_dh512(void);
110 #endif
111 #ifdef MONOLITH
112 static void s_server_init(void);
113 #endif
114
115 #ifndef S_ISDIR
116 # if defined(_S_IFMT) && defined(_S_IFDIR)
117 # define S_ISDIR(a) (((a) & _S_IFMT) == _S_IFDIR)
118 # else
119 # define S_ISDIR(a) (((a) & S_IFMT) == S_IFDIR)
120 # endif
121 #endif
122
123 #ifndef NO_DH
124 static unsigned char dh512_p[]={
125 0xDA,0x58,0x3C,0x16,0xD9,0x85,0x22,0x89,0xD0,0xE4,0xAF,0x75,
126 0x6F,0x4C,0xCA,0x92,0xDD,0x4B,0xE5,0x33,0xB8,0x04,0xFB,0x0F,
127 0xED,0x94,0xEF,0x9C,0x8A,0x44,0x03,0xED,0x57,0x46,0x50,0xD3,
128 0x69,0x99,0xDB,0x29,0xD7,0x76,0x27,0x6B,0xA2,0xD3,0xD4,0x12,
129 0xE2,0x18,0xF4,0xDD,0x1E,0x08,0x4C,0xF6,0xD8,0x00,0x3E,0x7C,
130 0x47,0x74,0xE8,0x33,
131 };
132 static unsigned char dh512_g[]={
133 0x02,
134 };
135
136 static DH *get_dh512(void)
137 {
138 DH *dh=NULL;
139
140 if ((dh=DH_new()) == NULL) return(NULL);
141 dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
142 dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
143 if ((dh->p == NULL) || (dh->g == NULL))
144 return(NULL);
145 return(dh);
146 }
147 #endif
148
149 /* static int load_CA(SSL_CTX *ctx, char *file);*/
150
151 #undef BUFSIZZ
152 #define BUFSIZZ 16*1024
153 static int bufsize=BUFSIZZ;
154 static int accept_socket= -1;
155
156 #define TEST_CERT "server.pem"
157 #undef PROG
158 #define PROG s_server_main
159
160 extern int verify_depth;
161
162 static char *cipher=NULL;
163 static int s_server_verify=SSL_VERIFY_NONE;
164 static int s_server_session_id_context = 1; /* anything will do */
165 static char *s_cert_file=TEST_CERT,*s_key_file=NULL;
166 static char *s_dcert_file=NULL,*s_dkey_file=NULL;
167 #ifdef FIONBIO
168 static int s_nbio=0;
169 #endif
170 static int s_nbio_test=0;
171 int s_crlf=0;
172 static SSL_CTX *ctx=NULL;
173 static int www=0;
174
175 static BIO *bio_s_out=NULL;
176 static int s_debug=0;
177 static int s_quiet=0;
178
179 static int hack=0;
180
181 #ifdef MONOLITH
182 static void s_server_init(void)
183 {
184 accept_socket=-1;
185 cipher=NULL;
186 s_server_verify=SSL_VERIFY_NONE;
187 s_dcert_file=NULL;
188 s_dkey_file=NULL;
189 s_cert_file=TEST_CERT;
190 s_key_file=NULL;
191 #ifdef FIONBIO
192 s_nbio=0;
193 #endif
194 s_nbio_test=0;
195 ctx=NULL;
196 www=0;
197
198 bio_s_out=NULL;
199 s_debug=0;
200 s_quiet=0;
201 hack=0;
202 }
203 #endif
204
205 static void sv_usage(void)
206 {
207 BIO_printf(bio_err,"usage: s_server [args ...]\n");
208 BIO_printf(bio_err,"\n");
209 BIO_printf(bio_err," -accept arg - port to accept on (default is %d)\n",PORT);
210 BIO_printf(bio_err," -context arg - set session ID context\n");
211 BIO_printf(bio_err," -verify arg - turn on peer certificate verification\n");
212 BIO_printf(bio_err," -Verify arg - turn on peer certificate verification, must have a cert.\n");
213 BIO_printf(bio_err," -cert arg - certificate file to use, PEM format assumed\n");
214 BIO_printf(bio_err," (default is %s)\n",TEST_CERT);
215 BIO_printf(bio_err," -key arg - Private Key file to use, PEM format assumed, in cert file if\n");
216 BIO_printf(bio_err," not specified (default is %s)\n",TEST_CERT);
217 BIO_printf(bio_err," -dcert arg - second certificate file to use (usually for DSA)\n");
218 BIO_printf(bio_err," -dkey arg - second private key file to use (usually for DSA)\n");
219 BIO_printf(bio_err," -dhparam arg - DH parameter file to use, in cert file if not specified\n");
220 BIO_printf(bio_err," or a default set of parameters is used\n");
221 #ifdef FIONBIO
222 BIO_printf(bio_err," -nbio - Run with non-blocking IO\n");
223 #endif
224 BIO_printf(bio_err," -nbio_test - test with the non-blocking test bio\n");
225 BIO_printf(bio_err," -crlf - convert LF from terminal into CRLF\n");
226 BIO_printf(bio_err," -debug - Print more output\n");
227 BIO_printf(bio_err," -state - Print the SSL states\n");
228 BIO_printf(bio_err," -CApath arg - PEM format directory of CA's\n");
229 BIO_printf(bio_err," -CAfile arg - PEM format file of CA's\n");
230 BIO_printf(bio_err," -nocert - Don't use any certificates (Anon-DH)\n");
231 BIO_printf(bio_err," -cipher arg - play with 'openssl ciphers' to see what goes here\n");
232 BIO_printf(bio_err," -quiet - No server output\n");
233 BIO_printf(bio_err," -no_tmp_rsa - Do not generate a tmp RSA key\n");
234 BIO_printf(bio_err," -ssl2 - Just talk SSLv2\n");
235 BIO_printf(bio_err," -ssl3 - Just talk SSLv3\n");
236 BIO_printf(bio_err," -tls1 - Just talk TLSv1\n");
237 BIO_printf(bio_err," -no_ssl2 - Just disable SSLv2\n");
238 BIO_printf(bio_err," -no_ssl3 - Just disable SSLv3\n");
239 BIO_printf(bio_err," -no_tls1 - Just disable TLSv1\n");
240 #ifndef NO_DH
241 BIO_printf(bio_err," -no_dhe - Disable ephemeral DH\n");
242 #endif
243 BIO_printf(bio_err," -bugs - Turn on SSL bug compatibility\n");
244 BIO_printf(bio_err," -www - Respond to a 'GET /' with a status page\n");
245 BIO_printf(bio_err," -WWW - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
246 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
247 }
248
249 static int local_argc=0;
250 static char **local_argv;
251
252 #ifdef CHARSET_EBCDIC
253 static int ebcdic_new(BIO *bi);
254 static int ebcdic_free(BIO *a);
255 static int ebcdic_read(BIO *b, char *out, int outl);
256 static int ebcdic_write(BIO *b, char *in, int inl);
257 static long ebcdic_ctrl(BIO *b, int cmd, long num, char *ptr);
258 static int ebcdic_gets(BIO *bp, char *buf, int size);
259 static int ebcdic_puts(BIO *bp, char *str);
260
261 #define BIO_TYPE_EBCDIC_FILTER (18|0x0200)
262 static BIO_METHOD methods_ebcdic=
263 {
264 BIO_TYPE_EBCDIC_FILTER,
265 "EBCDIC/ASCII filter",
266 ebcdic_write,
267 ebcdic_read,
268 ebcdic_puts,
269 ebcdic_gets,
270 ebcdic_ctrl,
271 ebcdic_new,
272 ebcdic_free,
273 };
274
275 typedef struct
276 {
277 size_t alloced;
278 char buff[1];
279 } EBCDIC_OUTBUFF;
280
281 BIO_METHOD *BIO_f_ebcdic_filter()
282 {
283 return(&methods_ebcdic);
284 }
285
286 static int ebcdic_new(BIO *bi)
287 {
288 EBCDIC_OUTBUFF *wbuf;
289
290 wbuf = (EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024);
291 wbuf->alloced = 1024;
292 wbuf->buff[0] = '\0';
293
294 bi->ptr=(char *)wbuf;
295 bi->init=1;
296 bi->flags=0;
297 return(1);
298 }
299
300 static int ebcdic_free(BIO *a)
301 {
302 if (a == NULL) return(0);
303 if (a->ptr != NULL)
304 OPENSSL_free(a->ptr);
305 a->ptr=NULL;
306 a->init=0;
307 a->flags=0;
308 return(1);
309 }
310
311 static int ebcdic_read(BIO *b, char *out, int outl)
312 {
313 int ret=0;
314
315 if (out == NULL || outl == 0) return(0);
316 if (b->next_bio == NULL) return(0);
317
318 ret=BIO_read(b->next_bio,out,outl);
319 if (ret > 0)
320 ascii2ebcdic(out,out,ret);
321 return(ret);
322 }
323
324 static int ebcdic_write(BIO *b, char *in, int inl)
325 {
326 EBCDIC_OUTBUFF *wbuf;
327 int ret=0;
328 int num;
329 unsigned char n;
330
331 if ((in == NULL) || (inl <= 0)) return(0);
332 if (b->next_bio == NULL) return(0);
333
334 wbuf=(EBCDIC_OUTBUFF *)b->ptr;
335
336 if (inl > (num = wbuf->alloced))
337 {
338 num = num + num; /* double the size */
339 if (num < inl)
340 num = inl;
341 OPENSSL_free(wbuf);
342 wbuf=(EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num);
343
344 wbuf->alloced = num;
345 wbuf->buff[0] = '\0';
346
347 b->ptr=(char *)wbuf;
348 }
349
350 ebcdic2ascii(wbuf->buff, in, inl);
351
352 ret=BIO_write(b->next_bio, wbuf->buff, inl);
353
354 return(ret);
355 }
356
357 static long ebcdic_ctrl(BIO *b, int cmd, long num, char *ptr)
358 {
359 long ret;
360
361 if (b->next_bio == NULL) return(0);
362 switch (cmd)
363 {
364 case BIO_CTRL_DUP:
365 ret=0L;
366 break;
367 default:
368 ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
369 break;
370 }
371 return(ret);
372 }
373
374 static int ebcdic_gets(BIO *bp, char *buf, int size)
375 {
376 int i, ret;
377 if (bp->next_bio == NULL) return(0);
378 /* return(BIO_gets(bp->next_bio,buf,size));*/
379 for (i=0; i<size-1; ++i)
380 {
381 ret = ebcdic_read(bp,&buf[i],1);
382 if (ret <= 0)
383 break;
384 else if (buf[i] == '\n')
385 {
386 ++i;
387 break;
388 }
389 }
390 if (i < size)
391 buf[i] = '\0';
392 return (ret < 0 && i == 0) ? ret : i;
393 }
394
395 static int ebcdic_puts(BIO *bp, char *str)
396 {
397 if (bp->next_bio == NULL) return(0);
398 return ebcdic_write(bp, str, strlen(str));
399 }
400 #endif
401
402 int MAIN(int, char **);
403
404 int MAIN(int argc, char *argv[])
405 {
406 short port=PORT;
407 char *CApath=NULL,*CAfile=NULL;
408 char *context = NULL;
409 char *dhfile = NULL;
410 int badop=0,bugs=0;
411 int ret=1;
412 int off=0;
413 int no_tmp_rsa=0,no_dhe=0,nocert=0;
414 int state=0;
415 SSL_METHOD *meth=NULL;
416 char *inrand=NULL;
417 #ifndef NO_DH
418 DH *dh=NULL;
419 #endif
420
421 #if !defined(NO_SSL2) && !defined(NO_SSL3)
422 meth=SSLv23_server_method();
423 #elif !defined(NO_SSL3)
424 meth=SSLv3_server_method();
425 #elif !defined(NO_SSL2)
426 meth=SSLv2_server_method();
427 #endif
428
429 local_argc=argc;
430 local_argv=argv;
431
432 apps_startup();
433 #ifdef MONOLITH
434 s_server_init();
435 #endif
436
437 if (bio_err == NULL)
438 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
439
440 verify_depth=0;
441 #ifdef FIONBIO
442 s_nbio=0;
443 #endif
444 s_nbio_test=0;
445
446 argc--;
447 argv++;
448
449 while (argc >= 1)
450 {
451 if ((strcmp(*argv,"-port") == 0) ||
452 (strcmp(*argv,"-accept") == 0))
453 {
454 if (--argc < 1) goto bad;
455 if (!extract_port(*(++argv),&port))
456 goto bad;
457 }
458 else if (strcmp(*argv,"-verify") == 0)
459 {
460 s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
461 if (--argc < 1) goto bad;
462 verify_depth=atoi(*(++argv));
463 BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
464 }
465 else if (strcmp(*argv,"-Verify") == 0)
466 {
467 s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT|
468 SSL_VERIFY_CLIENT_ONCE;
469 if (--argc < 1) goto bad;
470 verify_depth=atoi(*(++argv));
471 BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth);
472 }
473 else if (strcmp(*argv,"-context") == 0)
474 {
475 if (--argc < 1) goto bad;
476 context= *(++argv);
477 }
478 else if (strcmp(*argv,"-cert") == 0)
479 {
480 if (--argc < 1) goto bad;
481 s_cert_file= *(++argv);
482 }
483 else if (strcmp(*argv,"-key") == 0)
484 {
485 if (--argc < 1) goto bad;
486 s_key_file= *(++argv);
487 }
488 else if (strcmp(*argv,"-dhparam") == 0)
489 {
490 if (--argc < 1) goto bad;
491 dhfile = *(++argv);
492 }
493 else if (strcmp(*argv,"-dcert") == 0)
494 {
495 if (--argc < 1) goto bad;
496 s_dcert_file= *(++argv);
497 }
498 else if (strcmp(*argv,"-dkey") == 0)
499 {
500 if (--argc < 1) goto bad;
501 s_dkey_file= *(++argv);
502 }
503 else if (strcmp(*argv,"-nocert") == 0)
504 {
505 nocert=1;
506 }
507 else if (strcmp(*argv,"-CApath") == 0)
508 {
509 if (--argc < 1) goto bad;
510 CApath= *(++argv);
511 }
512 else if (strcmp(*argv,"-cipher") == 0)
513 {
514 if (--argc < 1) goto bad;
515 cipher= *(++argv);
516 }
517 else if (strcmp(*argv,"-CAfile") == 0)
518 {
519 if (--argc < 1) goto bad;
520 CAfile= *(++argv);
521 }
522 #ifdef FIONBIO
523 else if (strcmp(*argv,"-nbio") == 0)
524 { s_nbio=1; }
525 #endif
526 else if (strcmp(*argv,"-nbio_test") == 0)
527 {
528 #ifdef FIONBIO
529 s_nbio=1;
530 #endif
531 s_nbio_test=1;
532 }
533 else if (strcmp(*argv,"-debug") == 0)
534 { s_debug=1; }
535 else if (strcmp(*argv,"-hack") == 0)
536 { hack=1; }
537 else if (strcmp(*argv,"-state") == 0)
538 { state=1; }
539 else if (strcmp(*argv,"-crlf") == 0)
540 { s_crlf=1; }
541 else if (strcmp(*argv,"-quiet") == 0)
542 { s_quiet=1; }
543 else if (strcmp(*argv,"-bugs") == 0)
544 { bugs=1; }
545 else if (strcmp(*argv,"-no_tmp_rsa") == 0)
546 { no_tmp_rsa=1; }
547 else if (strcmp(*argv,"-no_dhe") == 0)
548 { no_dhe=1; }
549 else if (strcmp(*argv,"-www") == 0)
550 { www=1; }
551 else if (strcmp(*argv,"-WWW") == 0)
552 { www=2; }
553 else if (strcmp(*argv,"-no_ssl2") == 0)
554 { off|=SSL_OP_NO_SSLv2; }
555 else if (strcmp(*argv,"-no_ssl3") == 0)
556 { off|=SSL_OP_NO_SSLv3; }
557 else if (strcmp(*argv,"-no_tls1") == 0)
558 { off|=SSL_OP_NO_TLSv1; }
559 #ifndef NO_SSL2
560 else if (strcmp(*argv,"-ssl2") == 0)
561 { meth=SSLv2_server_method(); }
562 #endif
563 #ifndef NO_SSL3
564 else if (strcmp(*argv,"-ssl3") == 0)
565 { meth=SSLv3_server_method(); }
566 #endif
567 #ifndef NO_TLS1
568 else if (strcmp(*argv,"-tls1") == 0)
569 { meth=TLSv1_server_method(); }
570 #endif
571 else if (strcmp(*argv,"-rand") == 0)
572 {
573 if (--argc < 1) goto bad;
574 inrand= *(++argv);
575 }
576 else
577 {
578 BIO_printf(bio_err,"unknown option %s\n",*argv);
579 badop=1;
580 break;
581 }
582 argc--;
583 argv++;
584 }
585 if (badop)
586 {
587 bad:
588 sv_usage();
589 goto end;
590 }
591
592 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
593 && !RAND_status())
594 {
595 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
596 }
597 if (inrand != NULL)
598 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
599 app_RAND_load_files(inrand));
600
601 if (bio_s_out == NULL)
602 {
603 if (s_quiet && !s_debug)
604 {
605 bio_s_out=BIO_new(BIO_s_null());
606 }
607 else
608 {
609 if (bio_s_out == NULL)
610 bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE);
611 }
612 }
613
614 #if !defined(NO_RSA) || !defined(NO_DSA)
615 if (nocert)
616 #endif
617 {
618 s_cert_file=NULL;
619 s_key_file=NULL;
620 s_dcert_file=NULL;
621 s_dkey_file=NULL;
622 }
623
624 SSL_load_error_strings();
625 OpenSSL_add_ssl_algorithms();
626
627 ctx=SSL_CTX_new(meth);
628 if (ctx == NULL)
629 {
630 ERR_print_errors(bio_err);
631 goto end;
632 }
633
634 SSL_CTX_set_quiet_shutdown(ctx,1);
635 if (bugs) SSL_CTX_set_options(ctx,SSL_OP_ALL);
636 if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
637 SSL_CTX_set_options(ctx,off);
638 if (hack) SSL_CTX_set_options(ctx,SSL_OP_NON_EXPORT_FIRST);
639
640 if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
641
642 SSL_CTX_sess_set_cache_size(ctx,128);
643
644 #if 0
645 if (cipher == NULL) cipher=getenv("SSL_CIPHER");
646 #endif
647
648 #if 0
649 if (s_cert_file == NULL)
650 {
651 BIO_printf(bio_err,"You must specify a certificate file for the server to use\n");
652 goto end;
653 }
654 #endif
655
656 if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
657 (!SSL_CTX_set_default_verify_paths(ctx)))
658 {
659 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
660 ERR_print_errors(bio_err);
661 /* goto end; */
662 }
663
664 #ifndef NO_DH
665 if (!no_dhe)
666 {
667 dh=load_dh_param(dhfile ? dhfile : s_cert_file);
668 if (dh != NULL)
669 {
670 BIO_printf(bio_s_out,"Setting temp DH parameters\n");
671 }
672 else
673 {
674 BIO_printf(bio_s_out,"Using default temp DH parameters\n");
675 dh=get_dh512();
676 }
677 (void)BIO_flush(bio_s_out);
678
679 SSL_CTX_set_tmp_dh(ctx,dh);
680 DH_free(dh);
681 }
682 #endif
683
684 if (!set_cert_stuff(ctx,s_cert_file,s_key_file))
685 goto end;
686 if (s_dcert_file != NULL)
687 {
688 if (!set_cert_stuff(ctx,s_dcert_file,s_dkey_file))
689 goto end;
690 }
691
692 #ifndef NO_RSA
693 #if 1
694 if (!no_tmp_rsa)
695 SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
696 #else
697 if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx))
698 {
699 RSA *rsa;
700
701 BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key...");
702 BIO_flush(bio_s_out);
703
704 rsa=RSA_generate_key(512,RSA_F4,NULL);
705
706 if (!SSL_CTX_set_tmp_rsa(ctx,rsa))
707 {
708 ERR_print_errors(bio_err);
709 goto end;
710 }
711 RSA_free(rsa);
712 BIO_printf(bio_s_out,"\n");
713 }
714 #endif
715 #endif
716
717 if (cipher != NULL)
718 if(!SSL_CTX_set_cipher_list(ctx,cipher)) {
719 BIO_printf(bio_err,"error setting cipher list\n");
720 ERR_print_errors(bio_err);
721 goto end;
722 }
723 SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
724 SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
725 sizeof s_server_session_id_context);
726
727 if (CAfile != NULL)
728 SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
729
730 BIO_printf(bio_s_out,"ACCEPT\n");
731 if (www)
732 do_server(port,&accept_socket,www_body, context);
733 else
734 do_server(port,&accept_socket,sv_body, context);
735 print_stats(bio_s_out,ctx);
736 ret=0;
737 end:
738 if (ctx != NULL) SSL_CTX_free(ctx);
739 if (bio_s_out != NULL)
740 {
741 BIO_free(bio_s_out);
742 bio_s_out=NULL;
743 }
744 EXIT(ret);
745 }
746
747 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
748 {
749 BIO_printf(bio,"%4ld items in the session cache\n",
750 SSL_CTX_sess_number(ssl_ctx));
751 BIO_printf(bio,"%4d client connects (SSL_connect())\n",
752 SSL_CTX_sess_connect(ssl_ctx));
753 BIO_printf(bio,"%4d client renegotiates (SSL_connect())\n",
754 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
755 BIO_printf(bio,"%4d client connects that finished\n",
756 SSL_CTX_sess_connect_good(ssl_ctx));
757 BIO_printf(bio,"%4d server accepts (SSL_accept())\n",
758 SSL_CTX_sess_accept(ssl_ctx));
759 BIO_printf(bio,"%4d server renegotiates (SSL_accept())\n",
760 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
761 BIO_printf(bio,"%4d server accepts that finished\n",
762 SSL_CTX_sess_accept_good(ssl_ctx));
763 BIO_printf(bio,"%4d session cache hits\n",SSL_CTX_sess_hits(ssl_ctx));
764 BIO_printf(bio,"%4d session cache misses\n",SSL_CTX_sess_misses(ssl_ctx));
765 BIO_printf(bio,"%4d session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx));
766 BIO_printf(bio,"%4d callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx));
767 BIO_printf(bio,"%4d cache full overflows (%d allowed)\n",
768 SSL_CTX_sess_cache_full(ssl_ctx),
769 SSL_CTX_sess_get_cache_size(ssl_ctx));
770 }
771
772 static int sv_body(char *hostname, int s, unsigned char *context)
773 {
774 char *buf=NULL;
775 fd_set readfds;
776 int ret=1,width;
777 int k,i;
778 unsigned long l;
779 SSL *con=NULL;
780 BIO *sbio;
781 #ifdef WINDOWS
782 struct timeval tv;
783 #endif
784
785 if ((buf=OPENSSL_malloc(bufsize)) == NULL)
786 {
787 BIO_printf(bio_err,"out of memory\n");
788 goto err;
789 }
790 #ifdef FIONBIO
791 if (s_nbio)
792 {
793 unsigned long sl=1;
794
795 if (!s_quiet)
796 BIO_printf(bio_err,"turning on non blocking io\n");
797 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
798 ERR_print_errors(bio_err);
799 }
800 #endif
801
802 if (con == NULL) {
803 con=SSL_new(ctx);
804 if(context)
805 SSL_set_session_id_context(con, context,
806 strlen((char *)context));
807 }
808 SSL_clear(con);
809
810 sbio=BIO_new_socket(s,BIO_NOCLOSE);
811 if (s_nbio_test)
812 {
813 BIO *test;
814
815 test=BIO_new(BIO_f_nbio_test());
816 sbio=BIO_push(test,sbio);
817 }
818 SSL_set_bio(con,sbio,sbio);
819 SSL_set_accept_state(con);
820 /* SSL_set_fd(con,s); */
821
822 if (s_debug)
823 {
824 con->debug=1;
825 BIO_set_callback(SSL_get_rbio(con),bio_dump_cb);
826 BIO_set_callback_arg(SSL_get_rbio(con),bio_s_out);
827 }
828
829 width=s+1;
830 for (;;)
831 {
832 int read_from_terminal;
833 int read_from_sslcon;
834
835 read_from_terminal = 0;
836 read_from_sslcon = SSL_pending(con);
837
838 if (!read_from_sslcon)
839 {
840 FD_ZERO(&readfds);
841 #ifndef WINDOWS
842 FD_SET(fileno(stdin),&readfds);
843 #endif
844 FD_SET(s,&readfds);
845 /* Note: under VMS with SOCKETSHR the second parameter is
846 * currently of type (int *) whereas under other systems
847 * it is (void *) if you don't have a cast it will choke
848 * the compiler: if you do have a cast then you can either
849 * go for (int *) or (void *).
850 */
851 #ifdef WINDOWS
852 /* Under Windows we can't select on stdin: only
853 * on sockets. As a workaround we timeout the select every
854 * second and check for any keypress. In a proper Windows
855 * application we wouldn't do this because it is inefficient.
856 */
857 tv.tv_sec = 1;
858 tv.tv_usec = 0;
859 i=select(width,(void *)&readfds,NULL,NULL,&tv);
860 if((i < 0) || (!i && !_kbhit() ) )continue;
861 if(_kbhit())
862 read_from_terminal = 1;
863 #else
864 i=select(width,(void *)&readfds,NULL,NULL,NULL);
865 if (i <= 0) continue;
866 if (FD_ISSET(fileno(stdin),&readfds))
867 read_from_terminal = 1;
868 #endif
869 if (FD_ISSET(s,&readfds))
870 read_from_sslcon = 1;
871 }
872 if (read_from_terminal)
873 {
874 if (s_crlf)
875 {
876 int j, lf_num;
877
878 i=read(fileno(stdin), buf, bufsize/2);
879 lf_num = 0;
880 /* both loops are skipped when i <= 0 */
881 for (j = 0; j < i; j++)
882 if (buf[j] == '\n')
883 lf_num++;
884 for (j = i-1; j >= 0; j--)
885 {
886 buf[j+lf_num] = buf[j];
887 if (buf[j] == '\n')
888 {
889 lf_num--;
890 i++;
891 buf[j+lf_num] = '\r';
892 }
893 }
894 assert(lf_num == 0);
895 }
896 else
897 i=read(fileno(stdin),buf,bufsize);
898 if (!s_quiet)
899 {
900 if ((i <= 0) || (buf[0] == 'Q'))
901 {
902 BIO_printf(bio_s_out,"DONE\n");
903 SHUTDOWN(s);
904 close_accept_socket();
905 ret= -11;
906 goto err;
907 }
908 if ((i <= 0) || (buf[0] == 'q'))
909 {
910 BIO_printf(bio_s_out,"DONE\n");
911 SHUTDOWN(s);
912 /* close_accept_socket();
913 ret= -11;*/
914 goto err;
915 }
916 if ((buf[0] == 'r') &&
917 ((buf[1] == '\n') || (buf[1] == '\r')))
918 {
919 SSL_renegotiate(con);
920 i=SSL_do_handshake(con);
921 printf("SSL_do_handshake -> %d\n",i);
922 i=0; /*13; */
923 continue;
924 /* strcpy(buf,"server side RE-NEGOTIATE\n"); */
925 }
926 if ((buf[0] == 'R') &&
927 ((buf[1] == '\n') || (buf[1] == '\r')))
928 {
929 SSL_set_verify(con,
930 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
931 SSL_renegotiate(con);
932 i=SSL_do_handshake(con);
933 printf("SSL_do_handshake -> %d\n",i);
934 i=0; /* 13; */
935 continue;
936 /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
937 }
938 if (buf[0] == 'P')
939 {
940 static char *str="Lets print some clear text\n";
941 BIO_write(SSL_get_wbio(con),str,strlen(str));
942 }
943 if (buf[0] == 'S')
944 {
945 print_stats(bio_s_out,SSL_get_SSL_CTX(con));
946 }
947 }
948 #ifdef CHARSET_EBCDIC
949 ebcdic2ascii(buf,buf,i);
950 #endif
951 l=k=0;
952 for (;;)
953 {
954 /* should do a select for the write */
955 #ifdef RENEG
956 { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
957 #endif
958 k=SSL_write(con,&(buf[l]),(unsigned int)i);
959 switch (SSL_get_error(con,k))
960 {
961 case SSL_ERROR_NONE:
962 break;
963 case SSL_ERROR_WANT_WRITE:
964 case SSL_ERROR_WANT_READ:
965 case SSL_ERROR_WANT_X509_LOOKUP:
966 BIO_printf(bio_s_out,"Write BLOCK\n");
967 break;
968 case SSL_ERROR_SYSCALL:
969 case SSL_ERROR_SSL:
970 BIO_printf(bio_s_out,"ERROR\n");
971 ERR_print_errors(bio_err);
972 ret=1;
973 goto err;
974 /* break; */
975 case SSL_ERROR_ZERO_RETURN:
976 BIO_printf(bio_s_out,"DONE\n");
977 ret=1;
978 goto err;
979 }
980 l+=k;
981 i-=k;
982 if (i <= 0) break;
983 }
984 }
985 if (read_from_sslcon)
986 {
987 if (!SSL_is_init_finished(con))
988 {
989 i=init_ssl_connection(con);
990
991 if (i < 0)
992 {
993 ret=0;
994 goto err;
995 }
996 else if (i == 0)
997 {
998 ret=1;
999 goto err;
1000 }
1001 }
1002 else
1003 {
1004 again:
1005 i=SSL_read(con,(char *)buf,bufsize);
1006 switch (SSL_get_error(con,i))
1007 {
1008 case SSL_ERROR_NONE:
1009 #ifdef CHARSET_EBCDIC
1010 ascii2ebcdic(buf,buf,i);
1011 #endif
1012 write(fileno(stdout),buf,
1013 (unsigned int)i);
1014 if (SSL_pending(con)) goto again;
1015 break;
1016 case SSL_ERROR_WANT_WRITE:
1017 case SSL_ERROR_WANT_READ:
1018 case SSL_ERROR_WANT_X509_LOOKUP:
1019 BIO_printf(bio_s_out,"Read BLOCK\n");
1020 break;
1021 case SSL_ERROR_SYSCALL:
1022 case SSL_ERROR_SSL:
1023 BIO_printf(bio_s_out,"ERROR\n");
1024 ERR_print_errors(bio_err);
1025 ret=1;
1026 goto err;
1027 case SSL_ERROR_ZERO_RETURN:
1028 BIO_printf(bio_s_out,"DONE\n");
1029 ret=1;
1030 goto err;
1031 }
1032 }
1033 }
1034 }
1035 err:
1036 BIO_printf(bio_s_out,"shutting down SSL\n");
1037 #if 1
1038 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
1039 #else
1040 SSL_shutdown(con);
1041 #endif
1042 if (con != NULL) SSL_free(con);
1043 BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
1044 if (buf != NULL)
1045 {
1046 memset(buf,0,bufsize);
1047 OPENSSL_free(buf);
1048 }
1049 if (ret >= 0)
1050 BIO_printf(bio_s_out,"ACCEPT\n");
1051 return(ret);
1052 }
1053
1054 static void close_accept_socket(void)
1055 {
1056 BIO_printf(bio_err,"shutdown accept socket\n");
1057 if (accept_socket >= 0)
1058 {
1059 SHUTDOWN2(accept_socket);
1060 }
1061 }
1062
1063 static int init_ssl_connection(SSL *con)
1064 {
1065 int i;
1066 const char *str;
1067 X509 *peer;
1068 long verify_error;
1069 MS_STATIC char buf[BUFSIZ];
1070
1071 if ((i=SSL_accept(con)) <= 0)
1072 {
1073 if (BIO_sock_should_retry(i))
1074 {
1075 BIO_printf(bio_s_out,"DELAY\n");
1076 return(1);
1077 }
1078
1079 BIO_printf(bio_err,"ERROR\n");
1080 verify_error=SSL_get_verify_result(con);
1081 if (verify_error != X509_V_OK)
1082 {
1083 BIO_printf(bio_err,"verify error:%s\n",
1084 X509_verify_cert_error_string(verify_error));
1085 }
1086 else
1087 ERR_print_errors(bio_err);
1088 return(0);
1089 }
1090
1091 PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con));
1092
1093 peer=SSL_get_peer_certificate(con);
1094 if (peer != NULL)
1095 {
1096 BIO_printf(bio_s_out,"Client certificate\n");
1097 PEM_write_bio_X509(bio_s_out,peer);
1098 X509_NAME_oneline(X509_get_subject_name(peer),buf,BUFSIZ);
1099 BIO_printf(bio_s_out,"subject=%s\n",buf);
1100 X509_NAME_oneline(X509_get_issuer_name(peer),buf,BUFSIZ);
1101 BIO_printf(bio_s_out,"issuer=%s\n",buf);
1102 X509_free(peer);
1103 }
1104
1105 if (SSL_get_shared_ciphers(con,buf,BUFSIZ) != NULL)
1106 BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
1107 str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
1108 BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
1109 if (con->hit) BIO_printf(bio_s_out,"Reused session-id\n");
1110 if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
1111 TLS1_FLAGS_TLS_PADDING_BUG)
1112 BIO_printf(bio_s_out,"Peer has incorrect TLSv1 block padding\n");
1113
1114 return(1);
1115 }
1116
1117 #ifndef NO_DH
1118 static DH *load_dh_param(char *dhfile)
1119 {
1120 DH *ret=NULL;
1121 BIO *bio;
1122
1123 if ((bio=BIO_new_file(dhfile,"r")) == NULL)
1124 goto err;
1125 ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL);
1126 err:
1127 if (bio != NULL) BIO_free(bio);
1128 return(ret);
1129 }
1130 #endif
1131
1132 #if 0
1133 static int load_CA(SSL_CTX *ctx, char *file)
1134 {
1135 FILE *in;
1136 X509 *x=NULL;
1137
1138 if ((in=fopen(file,"r")) == NULL)
1139 return(0);
1140
1141 for (;;)
1142 {
1143 if (PEM_read_X509(in,&x,NULL) == NULL)
1144 break;
1145 SSL_CTX_add_client_CA(ctx,x);
1146 }
1147 if (x != NULL) X509_free(x);
1148 fclose(in);
1149 return(1);
1150 }
1151 #endif
1152
1153 static int www_body(char *hostname, int s, unsigned char *context)
1154 {
1155 char *buf=NULL;
1156 int ret=1;
1157 int i,j,k,blank,dot;
1158 struct stat st_buf;
1159 SSL *con;
1160 SSL_CIPHER *c;
1161 BIO *io,*ssl_bio,*sbio;
1162 long total_bytes;
1163
1164 buf=OPENSSL_malloc(bufsize);
1165 if (buf == NULL) return(0);
1166 io=BIO_new(BIO_f_buffer());
1167 ssl_bio=BIO_new(BIO_f_ssl());
1168 if ((io == NULL) || (ssl_bio == NULL)) goto err;
1169
1170 #ifdef FIONBIO
1171 if (s_nbio)
1172 {
1173 unsigned long sl=1;
1174
1175 if (!s_quiet)
1176 BIO_printf(bio_err,"turning on non blocking io\n");
1177 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
1178 ERR_print_errors(bio_err);
1179 }
1180 #endif
1181
1182 /* lets make the output buffer a reasonable size */
1183 if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
1184
1185 if ((con=SSL_new(ctx)) == NULL) goto err;
1186 if(context) SSL_set_session_id_context(con, context,
1187 strlen((char *)context));
1188
1189 sbio=BIO_new_socket(s,BIO_NOCLOSE);
1190 if (s_nbio_test)
1191 {
1192 BIO *test;
1193
1194 test=BIO_new(BIO_f_nbio_test());
1195 sbio=BIO_push(test,sbio);
1196 }
1197 SSL_set_bio(con,sbio,sbio);
1198 SSL_set_accept_state(con);
1199
1200 /* SSL_set_fd(con,s); */
1201 BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
1202 BIO_push(io,ssl_bio);
1203 #ifdef CHARSET_EBCDIC
1204 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
1205 #endif
1206
1207 if (s_debug)
1208 {
1209 con->debug=1;
1210 BIO_set_callback(SSL_get_rbio(con),bio_dump_cb);
1211 BIO_set_callback_arg(SSL_get_rbio(con),bio_s_out);
1212 }
1213
1214 blank=0;
1215 for (;;)
1216 {
1217 if (hack)
1218 {
1219 i=SSL_accept(con);
1220
1221 switch (SSL_get_error(con,i))
1222 {
1223 case SSL_ERROR_NONE:
1224 break;
1225 case SSL_ERROR_WANT_WRITE:
1226 case SSL_ERROR_WANT_READ:
1227 case SSL_ERROR_WANT_X509_LOOKUP:
1228 continue;
1229 case SSL_ERROR_SYSCALL:
1230 case SSL_ERROR_SSL:
1231 case SSL_ERROR_ZERO_RETURN:
1232 ret=1;
1233 goto err;
1234 /* break; */
1235 }
1236
1237 SSL_renegotiate(con);
1238 SSL_write(con,NULL,0);
1239 }
1240
1241 i=BIO_gets(io,buf,bufsize-1);
1242 if (i < 0) /* error */
1243 {
1244 if (!BIO_should_retry(io))
1245 {
1246 if (!s_quiet)
1247 ERR_print_errors(bio_err);
1248 goto err;
1249 }
1250 else
1251 {
1252 BIO_printf(bio_s_out,"read R BLOCK\n");
1253 #ifndef MSDOS
1254 sleep(1);
1255 #endif
1256 continue;
1257 }
1258 }
1259 else if (i == 0) /* end of input */
1260 {
1261 ret=1;
1262 goto end;
1263 }
1264
1265 /* else we have data */
1266 if ( ((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
1267 ((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
1268 {
1269 char *p;
1270 X509 *peer;
1271 STACK_OF(SSL_CIPHER) *sk;
1272 static char *space=" ";
1273
1274 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
1275 BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n");
1276 BIO_puts(io,"<pre>\n");
1277 /* BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
1278 BIO_puts(io,"\n");
1279 for (i=0; i<local_argc; i++)
1280 {
1281 BIO_puts(io,local_argv[i]);
1282 BIO_write(io," ",1);
1283 }
1284 BIO_puts(io,"\n");
1285
1286 /* The following is evil and should not really
1287 * be done */
1288 BIO_printf(io,"Ciphers supported in s_server binary\n");
1289 sk=SSL_get_ciphers(con);
1290 j=sk_SSL_CIPHER_num(sk);
1291 for (i=0; i<j; i++)
1292 {
1293 c=sk_SSL_CIPHER_value(sk,i);
1294 BIO_printf(io,"%-11s:%-25s",
1295 SSL_CIPHER_get_version(c),
1296 SSL_CIPHER_get_name(c));
1297 if ((((i+1)%2) == 0) && (i+1 != j))
1298 BIO_puts(io,"\n");
1299 }
1300 BIO_puts(io,"\n");
1301 p=SSL_get_shared_ciphers(con,buf,bufsize);
1302 if (p != NULL)
1303 {
1304 BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
1305 j=i=0;
1306 while (*p)
1307 {
1308 if (*p == ':')
1309 {
1310 BIO_write(io,space,26-j);
1311 i++;
1312 j=0;
1313 BIO_write(io,((i%3)?" ":"\n"),1);
1314 }
1315 else
1316 {
1317 BIO_write(io,p,1);
1318 j++;
1319 }
1320 p++;
1321 }
1322 BIO_puts(io,"\n");
1323 }
1324 BIO_printf(io,((con->hit)
1325 ?"---\nReused, "
1326 :"---\nNew, "));
1327 c=SSL_get_current_cipher(con);
1328 BIO_printf(io,"%s, Cipher is %s\n",
1329 SSL_CIPHER_get_version(c),
1330 SSL_CIPHER_get_name(c));
1331 SSL_SESSION_print(io,SSL_get_session(con));
1332 BIO_printf(io,"---\n");
1333 print_stats(io,SSL_get_SSL_CTX(con));
1334 BIO_printf(io,"---\n");
1335 peer=SSL_get_peer_certificate(con);
1336 if (peer != NULL)
1337 {
1338 BIO_printf(io,"Client certificate\n");
1339 X509_print(io,peer);
1340 PEM_write_bio_X509(io,peer);
1341 }
1342 else
1343 BIO_puts(io,"no client certificate available\n");
1344 BIO_puts(io,"</BODY></HTML>\r\n\r\n");
1345 break;
1346 }
1347 else if ((www == 2) && (strncmp("GET /",buf,5) == 0))
1348 {
1349 BIO *file;
1350 char *p,*e;
1351 static char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
1352
1353 /* skip the '/' */
1354 p= &(buf[5]);
1355
1356 dot = 1;
1357 for (e=p; *e != '\0'; e++)
1358 {
1359 if (e[0] == ' ')
1360 break;
1361
1362 switch (dot)
1363 {
1364 case 1:
1365 dot = (e[0] == '.') ? 2 : 0;
1366 break;
1367 case 2:
1368 dot = (e[0] == '.') ? 3 : 0;
1369 break;
1370 case 3:
1371 dot = (e[0] == '/') ? -1 : 0;
1372 break;
1373 }
1374 if (dot == 0)
1375 dot = (e[0] == '/') ? 1 : 0;
1376 }
1377 dot = (dot == 3) || (dot == -1); /* filename contains ".." component */
1378
1379 if (*e == '\0')
1380 {
1381 BIO_puts(io,text);
1382 BIO_printf(io,"'%s' is an invalid file name\r\n",p);
1383 break;
1384 }
1385 *e='\0';
1386
1387 if (dot)
1388 {
1389 BIO_puts(io,text);
1390 BIO_printf(io,"'%s' contains '..' reference\r\n",p);
1391 break;
1392 }
1393
1394 if (*p == '/')
1395 {
1396 BIO_puts(io,text);
1397 BIO_printf(io,"'%s' is an invalid path\r\n",p);
1398 break;
1399 }
1400
1401 #if 0
1402 /* append if a directory lookup */
1403 if (e[-1] == '/')
1404 strcat(p,"index.html");
1405 #endif
1406
1407 /* if a directory, do the index thang */
1408 if (stat(p,&st_buf) < 0)
1409 {
1410 BIO_puts(io,text);
1411 BIO_printf(io,"Error accessing '%s'\r\n",p);
1412 ERR_print_errors(io);
1413 break;
1414 }
1415 if (S_ISDIR(st_buf.st_mode))
1416 {
1417 #if 0 /* must check buffer size */
1418 strcat(p,"/index.html");
1419 #else
1420 BIO_puts(io,text);
1421 BIO_printf(io,"'%s' is a directory\r\n",p);
1422 break;
1423 #endif
1424 }
1425
1426 if ((file=BIO_new_file(p,"r")) == NULL)
1427 {
1428 BIO_puts(io,text);
1429 BIO_printf(io,"Error opening '%s'\r\n",p);
1430 ERR_print_errors(io);
1431 break;
1432 }
1433
1434 if (!s_quiet)
1435 BIO_printf(bio_err,"FILE:%s\n",p);
1436
1437 i=strlen(p);
1438 if ( ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) ||
1439 ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) ||
1440 ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0)))
1441 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
1442 else
1443 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
1444 /* send the file */
1445 total_bytes=0;
1446 for (;;)
1447 {
1448 i=BIO_read(file,buf,bufsize);
1449 if (i <= 0) break;
1450
1451 #ifdef RENEG
1452 total_bytes+=i;
1453 fprintf(stderr,"%d\n",i);
1454 if (total_bytes > 3*1024)
1455 {
1456 total_bytes=0;
1457 fprintf(stderr,"RENEGOTIATE\n");
1458 SSL_renegotiate(con);
1459 }
1460 #endif
1461
1462 for (j=0; j<i; )
1463 {
1464 #ifdef RENEG
1465 { static count=0; if (++count == 13) { SSL_renegotiate(con); } }
1466 #endif
1467 k=BIO_write(io,&(buf[j]),i-j);
1468 if (k <= 0)
1469 {
1470 if (!BIO_should_retry(io))
1471 goto write_error;
1472 else
1473 {
1474 BIO_printf(bio_s_out,"rwrite W BLOCK\n");
1475 }
1476 }
1477 else
1478 {
1479 j+=k;
1480 }
1481 }
1482 }
1483 write_error:
1484 BIO_free(file);
1485 break;
1486 }
1487 }
1488
1489 for (;;)
1490 {
1491 i=(int)BIO_flush(io);
1492 if (i <= 0)
1493 {
1494 if (!BIO_should_retry(io))
1495 break;
1496 }
1497 else
1498 break;
1499 }
1500 end:
1501 #if 1
1502 /* make sure we re-use sessions */
1503 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
1504 #else
1505 /* This kills performance */
1506 /* SSL_shutdown(con); A shutdown gets sent in the
1507 * BIO_free_all(io) procession */
1508 #endif
1509
1510 err:
1511
1512 if (ret >= 0)
1513 BIO_printf(bio_s_out,"ACCEPT\n");
1514
1515 if (buf != NULL) OPENSSL_free(buf);
1516 if (io != NULL) BIO_free_all(io);
1517 /* if (ssl_bio != NULL) BIO_free(ssl_bio);*/
1518 return(ret);
1519 }
1520
1521 #ifndef NO_RSA
1522 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
1523 {
1524 static RSA *rsa_tmp=NULL;
1525
1526 if (rsa_tmp == NULL)
1527 {
1528 if (!s_quiet)
1529 {
1530 BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
1531 (void)BIO_flush(bio_err);
1532 }
1533 rsa_tmp=RSA_generate_key(keylength,RSA_F4,NULL,NULL);
1534 if (!s_quiet)
1535 {
1536 BIO_printf(bio_err,"\n");
1537 (void)BIO_flush(bio_err);
1538 }
1539 }
1540 return(rsa_tmp);
1541 }
1542 #endif
Tomato firmware and modifications.