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