e1588c5ee00cf5e690b2cd11873ce5e75dc19938
[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 /* With IPv6, it looks like Digital has mixed up the proper order of
60    recursive header file inclusion, resulting in the compiler complaining
61    that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which
62    is needed to have fileno() declared correctly...  So let's define u_int */
63 #if defined(VMS) && defined(__DECC) && !defined(__U_INT)
64 #define __U_INT
65 typedef unsigned int u_int;
66 #endif
67
68 #include <stdio.h>
69 #include <stdlib.h>
70 #include <string.h>
71 #include <sys/types.h>
72 #include <sys/stat.h>
73 #ifdef NO_STDIO
74 #define APPS_WIN16
75 #endif
76 #include <openssl/lhash.h>
77 #include <openssl/bn.h>
78 #define USE_SOCKETS
79 #include "apps.h"
80 #include <openssl/err.h>
81 #include <openssl/pem.h>
82 #include <openssl/x509.h>
83 #include <openssl/ssl.h>
84 #include "s_apps.h"
85
86 #if (defined(VMS) && __VMS_VER < 70000000)
87 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
88 #undef FIONBIO
89 #endif
90
91 #if defined(NO_RSA) && !defined(NO_SSL2)
92 #define NO_SSL2
93 #endif
94
95 #ifndef NO_RSA
96 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int export,int keylength);
97 #endif
98 static int sv_body(char *hostname, int s, unsigned char *context);
99 static int www_body(char *hostname, int s, unsigned char *context);
100 static void close_accept_socket(void );
101 static void sv_usage(void);
102 static int init_ssl_connection(SSL *s);
103 static void print_stats(BIO *bp,SSL_CTX *ctx);
104 #ifndef NO_DH
105 static DH *load_dh_param(void );
106 static DH *get_dh512(void);
107 #endif
108 /* static void s_server_init(void);*/
109
110 #ifndef S_ISDIR
111 #if defined(VMS) && !defined(__DECC)
112 #define S_ISDIR(a)      (((a) & S_IFMT) == S_IFDIR)
113 #else
114 #define S_ISDIR(a)      (((a) & _S_IFMT) == _S_IFDIR)
115 #endif
116 #endif
117
118 #ifndef NO_DH
119 static unsigned char dh512_p[]={
120         0xDA,0x58,0x3C,0x16,0xD9,0x85,0x22,0x89,0xD0,0xE4,0xAF,0x75,
121         0x6F,0x4C,0xCA,0x92,0xDD,0x4B,0xE5,0x33,0xB8,0x04,0xFB,0x0F,
122         0xED,0x94,0xEF,0x9C,0x8A,0x44,0x03,0xED,0x57,0x46,0x50,0xD3,
123         0x69,0x99,0xDB,0x29,0xD7,0x76,0x27,0x6B,0xA2,0xD3,0xD4,0x12,
124         0xE2,0x18,0xF4,0xDD,0x1E,0x08,0x4C,0xF6,0xD8,0x00,0x3E,0x7C,
125         0x47,0x74,0xE8,0x33,
126         };
127 static unsigned char dh512_g[]={
128         0x02,
129         };
130
131 static DH *get_dh512(void)
132         {
133         DH *dh=NULL;
134
135         if ((dh=DH_new()) == NULL) return(NULL);
136         dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
137         dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
138         if ((dh->p == NULL) || (dh->g == NULL))
139                 return(NULL);
140         return(dh);
141         }
142 #endif
143
144 /* static int load_CA(SSL_CTX *ctx, char *file);*/
145
146 #undef BUFSIZZ
147 #define BUFSIZZ 16*1024
148 static int bufsize=32;
149 static int accept_socket= -1;
150
151 #define TEST_CERT       "server.pem"
152 #undef PROG
153 #define PROG            s_server_main
154
155 #define DH_PARAM        "server.pem"
156
157 extern int verify_depth;
158
159 static char *cipher=NULL;
160 static int s_server_verify=SSL_VERIFY_NONE;
161 static int s_server_session_id_context = 1; /* anything will do */
162 static char *s_cert_file=TEST_CERT,*s_key_file=NULL;
163 static char *s_dcert_file=NULL,*s_dkey_file=NULL;
164 #ifdef FIONBIO
165 static int s_nbio=0;
166 #endif
167 static int s_nbio_test=0;
168 static SSL_CTX *ctx=NULL;
169 static int www=0;
170
171 static BIO *bio_s_out=NULL;
172 static int s_debug=0;
173 static int s_quiet=0;
174
175 #if 0
176 static void s_server_init(void)
177         {
178         cipher=NULL;
179         s_server_verify=SSL_VERIFY_NONE;
180         s_dcert_file=NULL;
181         s_dkey_file=NULL;
182         s_cert_file=TEST_CERT;
183         s_key_file=NULL;
184 #ifdef FIONBIO
185         s_nbio=0;
186 #endif
187         s_nbio_test=0;
188         ctx=NULL;
189         www=0;
190
191         bio_s_out=NULL;
192         s_debug=0;
193         s_quiet=0;
194         }
195 #endif
196
197 static void sv_usage(void)
198         {
199         BIO_printf(bio_err,"usage: s_server [args ...]\n");
200         BIO_printf(bio_err,"\n");
201         BIO_printf(bio_err," -accept arg   - port to accept on (default is %d)\n",PORT);
202         BIO_printf(bio_err," -context arg  - set session ID context\n");
203         BIO_printf(bio_err," -verify arg   - turn on peer certificate verification\n");
204         BIO_printf(bio_err," -Verify arg   - turn on peer certificate verification, must have a cert.\n");
205         BIO_printf(bio_err," -cert arg     - certificate file to use, PEM format assumed\n");
206         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT);
207         BIO_printf(bio_err," -key arg      - RSA file to use, PEM format assumed, in cert file if\n");
208         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT);
209         BIO_printf(bio_err," -dcert arg    - second certificate file to use (usually for DSA)\n");
210         BIO_printf(bio_err," -dkey arg     - second private key file to use (usually for DSA)\n");
211 #ifdef FIONBIO
212         BIO_printf(bio_err," -nbio         - Run with non-blocking IO\n");
213 #endif
214         BIO_printf(bio_err," -nbio_test    - test with the non-blocking test bio\n");
215         BIO_printf(bio_err," -debug        - Print more output\n");
216         BIO_printf(bio_err," -state        - Print the SSL states\n");
217         BIO_printf(bio_err," -CApath arg   - PEM format directory of CA's\n");
218         BIO_printf(bio_err," -CAfile arg   - PEM format file of CA's\n");
219         BIO_printf(bio_err," -nocert       - Don't use any certificates (Anon-DH)\n");
220         BIO_printf(bio_err," -cipher arg   - play with 'openssl ciphers' to see what goes here\n");
221         BIO_printf(bio_err," -quiet        - No server output\n");
222         BIO_printf(bio_err," -no_tmp_rsa   - Do not generate a tmp RSA key\n");
223         BIO_printf(bio_err," -ssl2         - Just talk SSLv2\n");
224         BIO_printf(bio_err," -ssl3         - Just talk SSLv3\n");
225         BIO_printf(bio_err," -tls1         - Just talk TLSv1\n");
226         BIO_printf(bio_err," -no_ssl2      - Just disable SSLv2\n");
227         BIO_printf(bio_err," -no_ssl3      - Just disable SSLv3\n");
228         BIO_printf(bio_err," -no_tls1      - Just disable TLSv1\n");
229         BIO_printf(bio_err," -bugs         - Turn on SSL bug compatability\n");
230         BIO_printf(bio_err," -www          - Respond to a 'GET /' with a status page\n");
231         BIO_printf(bio_err," -WWW          - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
232         }
233
234 static int local_argc=0;
235 static char **local_argv;
236 static int hack=0;
237
238 #ifdef CHARSET_EBCDIC
239 static int ebcdic_new(BIO *bi);
240 static int ebcdic_free(BIO *a);
241 static int ebcdic_read(BIO *b, char *out, int outl);
242 static int ebcdic_write(BIO *b, char *in, int inl);
243 static long ebcdic_ctrl(BIO *b, int cmd, long num, char *ptr);
244 static int ebcdic_gets(BIO *bp, char *buf, int size);
245 static int ebcdic_puts(BIO *bp, char *str);
246
247 #define BIO_TYPE_EBCDIC_FILTER  (18|0x0200)
248 static BIO_METHOD methods_ebcdic=
249         {
250         BIO_TYPE_EBCDIC_FILTER,
251         "EBCDIC/ASCII filter",
252         ebcdic_write,
253         ebcdic_read,
254         ebcdic_puts,
255         ebcdic_gets,
256         ebcdic_ctrl,
257         ebcdic_new,
258         ebcdic_free,
259         };
260
261 typedef struct
262 {
263         size_t  alloced;
264         char    buff[1];
265 } EBCDIC_OUTBUFF;
266
267 BIO_METHOD *BIO_f_ebcdic_filter()
268 {
269         return(&methods_ebcdic);
270 }
271
272 static int ebcdic_new(BIO *bi)
273 {
274         EBCDIC_OUTBUFF *wbuf;
275
276         wbuf = (EBCDIC_OUTBUFF *)Malloc(sizeof(EBCDIC_OUTBUFF) + 1024);
277         wbuf->alloced = 1024;
278         wbuf->buff[0] = '\0';
279
280         bi->ptr=(char *)wbuf;
281         bi->init=1;
282         bi->flags=0;
283         return(1);
284 }
285
286 static int ebcdic_free(BIO *a)
287 {
288         if (a == NULL) return(0);
289         if (a->ptr != NULL)
290                 Free(a->ptr);
291         a->ptr=NULL;
292         a->init=0;
293         a->flags=0;
294         return(1);
295 }
296         
297 static int ebcdic_read(BIO *b, char *out, int outl)
298 {
299         int ret=0;
300
301         if (out == NULL || outl == 0) return(0);
302         if (b->next_bio == NULL) return(0);
303
304         ret=BIO_read(b->next_bio,out,outl);
305         if (ret > 0)
306                 ascii2ebcdic(out,out,ret);
307         return(ret);
308 }
309
310 static int ebcdic_write(BIO *b, char *in, int inl)
311 {
312         EBCDIC_OUTBUFF *wbuf;
313         int ret=0;
314         int num;
315         unsigned char n;
316
317         if ((in == NULL) || (inl <= 0)) return(0);
318         if (b->next_bio == NULL) return(0);
319
320         wbuf=(EBCDIC_OUTBUFF *)b->ptr;
321
322         if (inl > (num = wbuf->alloced))
323         {
324                 num = num + num;  /* double the size */
325                 if (num < inl)
326                         num = inl;
327                 Free((char*)wbuf);
328                 wbuf=(EBCDIC_OUTBUFF *)Malloc(sizeof(EBCDIC_OUTBUFF) + num);
329
330                 wbuf->alloced = num;
331                 wbuf->buff[0] = '\0';
332
333                 b->ptr=(char *)wbuf;
334         }
335
336         ebcdic2ascii(wbuf->buff, in, inl);
337
338         ret=BIO_write(b->next_bio, wbuf->buff, inl);
339
340         return(ret);
341 }
342
343 static long ebcdic_ctrl(BIO *b, int cmd, long num, char *ptr)
344 {
345         long ret;
346
347         if (b->next_bio == NULL) return(0);
348         switch (cmd)
349         {
350         case BIO_CTRL_DUP:
351                 ret=0L;
352                 break;
353         default:
354                 ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
355                 break;
356         }
357         return(ret);
358 }
359
360 static int ebcdic_gets(BIO *bp, char *buf, int size)
361 {
362         int i, ret;
363         if (bp->next_bio == NULL) return(0);
364 /*      return(BIO_gets(bp->next_bio,buf,size));*/
365         for (i=0; i<size-1; ++i)
366         {
367                 ret = ebcdic_read(bp,&buf[i],1);
368                 if (ret <= 0)
369                         break;
370                 else if (buf[i] == '\n')
371                 {
372                         ++i;
373                         break;
374                 }
375         }
376         if (i < size)
377                 buf[i] = '\0';
378         return (ret < 0 && i == 0) ? ret : i;
379 }
380
381 static int ebcdic_puts(BIO *bp, char *str)
382 {
383         if (bp->next_bio == NULL) return(0);
384         return ebcdic_write(bp, str, strlen(str));
385 }
386 #endif
387
388 int MAIN(int argc, char *argv[])
389         {
390         short port=PORT;
391         char *CApath=NULL,*CAfile=NULL;
392         char *context = NULL;
393         int badop=0,bugs=0;
394         int ret=1;
395         int off=0;
396         int no_tmp_rsa=0,nocert=0;
397         int state=0;
398         SSL_METHOD *meth=NULL;
399 #ifndef NO_DH
400         DH *dh=NULL;
401 #endif
402
403 #if !defined(NO_SSL2) && !defined(NO_SSL3)
404         meth=SSLv23_server_method();
405 #elif !defined(NO_SSL3)
406         meth=SSLv3_server_method();
407 #elif !defined(NO_SSL2)
408         meth=SSLv2_server_method();
409 #endif
410
411         local_argc=argc;
412         local_argv=argv;
413
414         apps_startup();
415         s_quiet=0;
416         s_debug=0;
417
418         if (bio_err == NULL)
419                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
420
421         verify_depth=0;
422 #ifdef FIONBIO
423         s_nbio=0;
424 #endif
425         s_nbio_test=0;
426
427         argc--;
428         argv++;
429
430         while (argc >= 1)
431                 {
432                 if      ((strcmp(*argv,"-port") == 0) ||
433                          (strcmp(*argv,"-accept") == 0))
434                         {
435                         if (--argc < 1) goto bad;
436                         if (!extract_port(*(++argv),&port))
437                                 goto bad;
438                         }
439                 else if (strcmp(*argv,"-verify") == 0)
440                         {
441                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
442                         if (--argc < 1) goto bad;
443                         verify_depth=atoi(*(++argv));
444                         BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
445                         }
446                 else if (strcmp(*argv,"-Verify") == 0)
447                         {
448                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT|
449                                 SSL_VERIFY_CLIENT_ONCE;
450                         if (--argc < 1) goto bad;
451                         verify_depth=atoi(*(++argv));
452                         BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth);
453                         }
454                 else if (strcmp(*argv,"-context") == 0)
455                         {
456                         if (--argc < 1) goto bad;
457                         context= *(++argv);
458                         }
459                 else if (strcmp(*argv,"-cert") == 0)
460                         {
461                         if (--argc < 1) goto bad;
462                         s_cert_file= *(++argv);
463                         }
464                 else if (strcmp(*argv,"-key") == 0)
465                         {
466                         if (--argc < 1) goto bad;
467                         s_key_file= *(++argv);
468                         }
469                 else if (strcmp(*argv,"-dcert") == 0)
470                         {
471                         if (--argc < 1) goto bad;
472                         s_dcert_file= *(++argv);
473                         }
474                 else if (strcmp(*argv,"-dkey") == 0)
475                         {
476                         if (--argc < 1) goto bad;
477                         s_dkey_file= *(++argv);
478                         }
479                 else if (strcmp(*argv,"-nocert") == 0)
480                         {
481                         nocert=1;
482                         }
483                 else if (strcmp(*argv,"-CApath") == 0)
484                         {
485                         if (--argc < 1) goto bad;
486                         CApath= *(++argv);
487                         }
488                 else if (strcmp(*argv,"-cipher") == 0)
489                         {
490                         if (--argc < 1) goto bad;
491                         cipher= *(++argv);
492                         }
493                 else if (strcmp(*argv,"-CAfile") == 0)
494                         {
495                         if (--argc < 1) goto bad;
496                         CAfile= *(++argv);
497                         }
498 #ifdef FIONBIO  
499                 else if (strcmp(*argv,"-nbio") == 0)
500                         { s_nbio=1; }
501 #endif
502                 else if (strcmp(*argv,"-nbio_test") == 0)
503                         {
504 #ifdef FIONBIO  
505                         s_nbio=1;
506 #endif
507                         s_nbio_test=1;
508                         }
509                 else if (strcmp(*argv,"-debug") == 0)
510                         { s_debug=1; }
511                 else if (strcmp(*argv,"-hack") == 0)
512                         { hack=1; }
513                 else if (strcmp(*argv,"-state") == 0)
514                         { state=1; }
515                 else if (strcmp(*argv,"-quiet") == 0)
516                         { s_quiet=1; }
517                 else if (strcmp(*argv,"-bugs") == 0)
518                         { bugs=1; }
519                 else if (strcmp(*argv,"-no_tmp_rsa") == 0)
520                         { no_tmp_rsa=1; }
521                 else if (strcmp(*argv,"-www") == 0)
522                         { www=1; }
523                 else if (strcmp(*argv,"-WWW") == 0)
524                         { www=2; }
525                 else if (strcmp(*argv,"-no_ssl2") == 0)
526                         { off|=SSL_OP_NO_SSLv2; }
527                 else if (strcmp(*argv,"-no_ssl3") == 0)
528                         { off|=SSL_OP_NO_SSLv3; }
529                 else if (strcmp(*argv,"-no_tls1") == 0)
530                         { off|=SSL_OP_NO_TLSv1; }
531 #ifndef NO_SSL2
532                 else if (strcmp(*argv,"-ssl2") == 0)
533                         { meth=SSLv2_server_method(); }
534 #endif
535 #ifndef NO_SSL3
536                 else if (strcmp(*argv,"-ssl3") == 0)
537                         { meth=SSLv3_server_method(); }
538 #endif
539 #ifndef NO_TLS1
540                 else if (strcmp(*argv,"-tls1") == 0)
541                         { meth=TLSv1_server_method(); }
542 #endif
543                 else
544                         {
545                         BIO_printf(bio_err,"unknown option %s\n",*argv);
546                         badop=1;
547                         break;
548                         }
549                 argc--;
550                 argv++;
551                 }
552         if (badop)
553                 {
554 bad:
555                 sv_usage();
556                 goto end;
557                 }
558
559         if (bio_s_out == NULL)
560                 {
561                 if (s_quiet && !s_debug)
562                         {
563                         bio_s_out=BIO_new(BIO_s_null());
564                         }
565                 else
566                         {
567                         if (bio_s_out == NULL)
568                                 bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE);
569                         }
570                 }
571
572 #if !defined(NO_RSA) || !defined(NO_DSA)
573         if (nocert)
574 #endif
575                 {
576                 s_cert_file=NULL;
577                 s_key_file=NULL;
578                 s_dcert_file=NULL;
579                 s_dkey_file=NULL;
580                 }
581
582         SSL_load_error_strings();
583         SSLeay_add_ssl_algorithms();
584
585         ctx=SSL_CTX_new(meth);
586         if (ctx == NULL)
587                 {
588                 ERR_print_errors(bio_err);
589                 goto end;
590                 }
591
592         SSL_CTX_set_quiet_shutdown(ctx,1);
593         if (bugs) SSL_CTX_set_options(ctx,SSL_OP_ALL);
594         if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
595         SSL_CTX_set_options(ctx,off);
596         if (hack) SSL_CTX_set_options(ctx,SSL_OP_NON_EXPORT_FIRST);
597
598         if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
599
600         SSL_CTX_sess_set_cache_size(ctx,128);
601
602 #if 0
603         if (cipher == NULL) cipher=getenv("SSL_CIPHER");
604 #endif
605
606 #if 0
607         if (s_cert_file == NULL)
608                 {
609                 BIO_printf(bio_err,"You must specify a certificate file for the server to use\n");
610                 goto end;
611                 }
612 #endif
613
614         if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
615                 (!SSL_CTX_set_default_verify_paths(ctx)))
616                 {
617                 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
618                 ERR_print_errors(bio_err);
619                 /* goto end; */
620                 }
621
622 #ifndef NO_DH
623         /* EAY EAY EAY evil hack */
624         dh=load_dh_param();
625         if (dh != NULL)
626                 {
627                 BIO_printf(bio_s_out,"Setting temp DH parameters\n");
628                 }
629         else
630                 {
631                 BIO_printf(bio_s_out,"Using default temp DH parameters\n");
632                 dh=get_dh512();
633                 }
634         BIO_flush(bio_s_out);
635
636         SSL_CTX_set_tmp_dh(ctx,dh);
637         DH_free(dh);
638 #endif
639         
640         if (!set_cert_stuff(ctx,s_cert_file,s_key_file))
641                 goto end;
642         if (s_dcert_file != NULL)
643                 {
644                 if (!set_cert_stuff(ctx,s_dcert_file,s_dkey_file))
645                         goto end;
646                 }
647
648 #ifndef NO_RSA
649 #if 1
650         SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
651 #else
652         if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx))
653                 {
654                 RSA *rsa;
655
656                 BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key...");
657                 BIO_flush(bio_s_out);
658
659                 rsa=RSA_generate_key(512,RSA_F4,NULL);
660
661                 if (!SSL_CTX_set_tmp_rsa(ctx,rsa))
662                         {
663                         ERR_print_errors(bio_err);
664                         goto end;
665                         }
666                 RSA_free(rsa);
667                 BIO_printf(bio_s_out,"\n");
668                 }
669 #endif
670 #endif
671
672         if (cipher != NULL)
673                 SSL_CTX_set_cipher_list(ctx,cipher);
674         SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
675         SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
676                 sizeof s_server_session_id_context);
677
678         SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
679
680         BIO_printf(bio_s_out,"ACCEPT\n");
681         if (www)
682                 do_server(port,&accept_socket,www_body, context);
683         else
684                 do_server(port,&accept_socket,sv_body, context);
685         print_stats(bio_s_out,ctx);
686         ret=0;
687 end:
688         if (ctx != NULL) SSL_CTX_free(ctx);
689         if (bio_s_out != NULL)
690                 {
691                 BIO_free(bio_s_out);
692                 bio_s_out=NULL;
693                 }
694         EXIT(ret);
695         }
696
697 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
698         {
699         BIO_printf(bio,"%4ld items in the session cache\n",
700                 SSL_CTX_sess_number(ssl_ctx));
701         BIO_printf(bio,"%4d client connects (SSL_connect())\n",
702                 SSL_CTX_sess_connect(ssl_ctx));
703         BIO_printf(bio,"%4d client renegotiates (SSL_connect())\n",
704                 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
705         BIO_printf(bio,"%4d client connects that finished\n",
706                 SSL_CTX_sess_connect_good(ssl_ctx));
707         BIO_printf(bio,"%4d server accepts (SSL_accept())\n",
708                 SSL_CTX_sess_accept(ssl_ctx));
709         BIO_printf(bio,"%4d server renegotiates (SSL_accept())\n",
710                 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
711         BIO_printf(bio,"%4d server accepts that finished\n",
712                 SSL_CTX_sess_accept_good(ssl_ctx));
713         BIO_printf(bio,"%4d session cache hits\n",SSL_CTX_sess_hits(ssl_ctx));
714         BIO_printf(bio,"%4d session cache misses\n",SSL_CTX_sess_misses(ssl_ctx));
715         BIO_printf(bio,"%4d session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx));
716         BIO_printf(bio,"%4d callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx));
717         BIO_printf(bio,"%4d cache full overflows (%d allowed)\n",
718                 SSL_CTX_sess_cache_full(ssl_ctx),
719                 SSL_CTX_sess_get_cache_size(ssl_ctx));
720         }
721
722 static int sv_body(char *hostname, int s, unsigned char *context)
723         {
724         char *buf=NULL;
725         fd_set readfds;
726         int ret=1,width;
727         int k,i;
728         unsigned long l;
729         SSL *con=NULL;
730         BIO *sbio;
731
732         if ((buf=Malloc(bufsize)) == NULL)
733                 {
734                 BIO_printf(bio_err,"out of memory\n");
735                 goto err;
736                 }
737 #ifdef FIONBIO  
738         if (s_nbio)
739                 {
740                 unsigned long sl=1;
741
742                 if (!s_quiet)
743                         BIO_printf(bio_err,"turning on non blocking io\n");
744                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
745                         ERR_print_errors(bio_err);
746                 }
747 #endif
748
749         if (con == NULL) {
750                 con=(SSL *)SSL_new(ctx);
751                 if(context)
752                       SSL_set_session_id_context(con, context,
753                                                  strlen((char *)context));
754         }
755         SSL_clear(con);
756
757         sbio=BIO_new_socket(s,BIO_NOCLOSE);
758         if (s_nbio_test)
759                 {
760                 BIO *test;
761
762                 test=BIO_new(BIO_f_nbio_test());
763                 sbio=BIO_push(test,sbio);
764                 }
765         SSL_set_bio(con,sbio,sbio);
766         SSL_set_accept_state(con);
767         /* SSL_set_fd(con,s); */
768
769         if (s_debug)
770                 {
771                 con->debug=1;
772                 BIO_set_callback(SSL_get_rbio(con),bio_dump_cb);
773                 BIO_set_callback_arg(SSL_get_rbio(con),bio_s_out);
774                 }
775
776         width=s+1;
777         for (;;)
778                 {
779                 FD_ZERO(&readfds);
780 #ifndef WINDOWS
781                 FD_SET(fileno(stdin),&readfds);
782 #endif
783                 FD_SET(s,&readfds);
784                 /* Note: under VMS with SOCKETSHR the second parameter is
785                  * currently of type (int *) whereas under other systems
786                  * it is (void *) if you don't have a cast it will choke
787                  * the compiler: if you do have a cast then you can either
788                  * go for (int *) or (void *).
789                  */
790                 i=select(width,(void *)&readfds,NULL,NULL,NULL);
791                 if (i <= 0) continue;
792                 if (FD_ISSET(fileno(stdin),&readfds))
793                         {
794                         i=read(fileno(stdin),buf,bufsize);
795                         if (!s_quiet)
796                                 {
797                                 if ((i <= 0) || (buf[0] == 'Q'))
798                                         {
799                                         BIO_printf(bio_s_out,"DONE\n");
800                                         SHUTDOWN(s);
801                                         close_accept_socket();
802                                         ret= -11;
803                                         goto err;
804                                         }
805                                 if ((i <= 0) || (buf[0] == 'q'))
806                                         {
807                                         BIO_printf(bio_s_out,"DONE\n");
808                                         SHUTDOWN(s);
809         /*                              close_accept_socket();
810                                         ret= -11;*/
811                                         goto err;
812                                         }
813                                 if ((buf[0] == 'r') && 
814                                         ((buf[1] == '\n') || (buf[1] == '\r')))
815                                         {
816                                         SSL_renegotiate(con);
817                                         i=SSL_do_handshake(con);
818                                         printf("SSL_do_handshake -> %d\n",i);
819                                         i=0; /*13; */
820                                         continue;
821                                         /* strcpy(buf,"server side RE-NEGOTIATE\n"); */
822                                         }
823                                 if ((buf[0] == 'R') &&
824                                         ((buf[1] == '\n') || (buf[1] == '\r')))
825                                         {
826                                         SSL_set_verify(con,
827                                                 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
828                                         SSL_renegotiate(con);
829                                         i=SSL_do_handshake(con);
830                                         printf("SSL_do_handshake -> %d\n",i);
831                                         i=0; /* 13; */
832                                         continue;
833                                         /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
834                                         }
835                                 if (buf[0] == 'P')
836                                         {
837                                         static char *str="Lets print some clear text\n";
838                                         BIO_write(SSL_get_wbio(con),str,strlen(str));
839                                         }
840                                 if (buf[0] == 'S')
841                                         {
842                                         print_stats(bio_s_out,SSL_get_SSL_CTX(con));
843                                         }
844                                 }
845 #ifdef CHARSET_EBCDIC
846                         ebcdic2ascii(buf,buf,i);
847 #endif
848                         l=k=0;
849                         for (;;)
850                                 {
851                                 /* should do a select for the write */
852 #ifdef RENEG
853 { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
854 #endif
855                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
856                                 switch (SSL_get_error(con,k))
857                                         {
858                                 case SSL_ERROR_NONE:
859                                         break;
860                                 case SSL_ERROR_WANT_WRITE:
861                                 case SSL_ERROR_WANT_READ:
862                                 case SSL_ERROR_WANT_X509_LOOKUP:
863                                         BIO_printf(bio_s_out,"Write BLOCK\n");
864                                         break;
865                                 case SSL_ERROR_SYSCALL:
866                                 case SSL_ERROR_SSL:
867                                         BIO_printf(bio_s_out,"ERROR\n");
868                                         ERR_print_errors(bio_err);
869                                         ret=1;
870                                         goto err;
871                                         /* break; */
872                                 case SSL_ERROR_ZERO_RETURN:
873                                         BIO_printf(bio_s_out,"DONE\n");
874                                         ret=1;
875                                         goto err;
876                                         }
877                                 l+=k;
878                                 i-=k;
879                                 if (i <= 0) break;
880                                 }
881                         }
882                 if (FD_ISSET(s,&readfds))
883                         {
884                         if (!SSL_is_init_finished(con))
885                                 {
886                                 i=init_ssl_connection(con);
887                                 
888                                 if (i < 0)
889                                         {
890                                         ret=0;
891                                         goto err;
892                                         }
893                                 else if (i == 0)
894                                         {
895                                         ret=1;
896                                         goto err;
897                                         }
898                                 }
899                         else
900                                 {
901 again:  
902                                 i=SSL_read(con,(char *)buf,bufsize);
903                                 switch (SSL_get_error(con,i))
904                                         {
905                                 case SSL_ERROR_NONE:
906 #ifdef CHARSET_EBCDIC
907                                         ascii2ebcdic(buf,buf,i);
908 #endif
909                                         write(fileno(stdout),buf,
910                                                 (unsigned int)i);
911                                         if (SSL_pending(con)) goto again;
912                                         break;
913                                 case SSL_ERROR_WANT_WRITE:
914                                 case SSL_ERROR_WANT_READ:
915                                 case SSL_ERROR_WANT_X509_LOOKUP:
916                                         BIO_printf(bio_s_out,"Read BLOCK\n");
917                                         break;
918                                 case SSL_ERROR_SYSCALL:
919                                 case SSL_ERROR_SSL:
920                                         BIO_printf(bio_s_out,"ERROR\n");
921                                         ERR_print_errors(bio_err);
922                                         ret=1;
923                                         goto err;
924                                 case SSL_ERROR_ZERO_RETURN:
925                                         BIO_printf(bio_s_out,"DONE\n");
926                                         ret=1;
927                                         goto err;
928                                         }
929                                 }
930                         }
931                 }
932 err:
933         BIO_printf(bio_s_out,"shutting down SSL\n");
934 #if 1
935         SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
936 #else
937         SSL_shutdown(con);
938 #endif
939         if (con != NULL) SSL_free(con);
940         BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
941         if (buf != NULL)
942                 {
943                 memset(buf,0,bufsize);
944                 Free(buf);
945                 }
946         if (ret >= 0)
947                 BIO_printf(bio_s_out,"ACCEPT\n");
948         return(ret);
949         }
950
951 static void close_accept_socket(void)
952         {
953         BIO_printf(bio_err,"shutdown accept socket\n");
954         if (accept_socket >= 0)
955                 {
956                 SHUTDOWN2(accept_socket);
957                 }
958         }
959
960 static int init_ssl_connection(SSL *con)
961         {
962         int i;
963         const char *str;
964         X509 *peer;
965         long verify_error;
966         MS_STATIC char buf[BUFSIZ];
967
968         if ((i=SSL_accept(con)) <= 0)
969                 {
970                 if (BIO_sock_should_retry(i))
971                         {
972                         BIO_printf(bio_s_out,"DELAY\n");
973                         return(1);
974                         }
975
976                 BIO_printf(bio_err,"ERROR\n");
977                 verify_error=SSL_get_verify_result(con);
978                 if (verify_error != X509_V_OK)
979                         {
980                         BIO_printf(bio_err,"verify error:%s\n",
981                                 X509_verify_cert_error_string(verify_error));
982                         }
983                 else
984                         ERR_print_errors(bio_err);
985                 return(0);
986                 }
987
988         PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con));
989
990         peer=SSL_get_peer_certificate(con);
991         if (peer != NULL)
992                 {
993                 BIO_printf(bio_s_out,"Client certificate\n");
994                 PEM_write_bio_X509(bio_s_out,peer);
995                 X509_NAME_oneline(X509_get_subject_name(peer),buf,BUFSIZ);
996                 BIO_printf(bio_s_out,"subject=%s\n",buf);
997                 X509_NAME_oneline(X509_get_issuer_name(peer),buf,BUFSIZ);
998                 BIO_printf(bio_s_out,"issuer=%s\n",buf);
999                 X509_free(peer);
1000                 }
1001
1002         if (SSL_get_shared_ciphers(con,buf,BUFSIZ) != NULL)
1003                 BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
1004         str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
1005         BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
1006         if (con->hit) BIO_printf(bio_s_out,"Reused session-id\n");
1007         if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
1008                 TLS1_FLAGS_TLS_PADDING_BUG)
1009                 BIO_printf(bio_s_out,"Peer has incorrect TLSv1 block padding\n");
1010
1011         return(1);
1012         }
1013
1014 #ifndef NO_DH
1015 static DH *load_dh_param(void)
1016         {
1017         DH *ret=NULL;
1018         BIO *bio;
1019
1020         if ((bio=BIO_new_file(DH_PARAM,"r")) == NULL)
1021                 goto err;
1022         ret=PEM_read_bio_DHparams(bio,NULL,NULL);
1023 err:
1024         if (bio != NULL) BIO_free(bio);
1025         return(ret);
1026         }
1027 #endif
1028
1029 #if 0
1030 static int load_CA(SSL_CTX *ctx, char *file)
1031         {
1032         FILE *in;
1033         X509 *x=NULL;
1034
1035         if ((in=fopen(file,"r")) == NULL)
1036                 return(0);
1037
1038         for (;;)
1039                 {
1040                 if (PEM_read_X509(in,&x,NULL) == NULL)
1041                         break;
1042                 SSL_CTX_add_client_CA(ctx,x);
1043                 }
1044         if (x != NULL) X509_free(x);
1045         fclose(in);
1046         return(1);
1047         }
1048 #endif
1049
1050 static int www_body(char *hostname, int s, unsigned char *context)
1051         {
1052         char *buf=NULL;
1053         int ret=1;
1054         int i,j,k,blank,dot;
1055         struct stat st_buf;
1056         SSL *con;
1057         SSL_CIPHER *c;
1058         BIO *io,*ssl_bio,*sbio;
1059         long total_bytes;
1060
1061         buf=Malloc(bufsize);
1062         if (buf == NULL) return(0);
1063         io=BIO_new(BIO_f_buffer());
1064         ssl_bio=BIO_new(BIO_f_ssl());
1065         if ((io == NULL) || (ssl_bio == NULL)) goto err;
1066
1067 #ifdef FIONBIO  
1068         if (s_nbio)
1069                 {
1070                 unsigned long sl=1;
1071
1072                 if (!s_quiet)
1073                         BIO_printf(bio_err,"turning on non blocking io\n");
1074                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
1075                         ERR_print_errors(bio_err);
1076                 }
1077 #endif
1078
1079         /* lets make the output buffer a reasonable size */
1080         if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
1081
1082         if ((con=(SSL *)SSL_new(ctx)) == NULL) goto err;
1083         if(context) SSL_set_session_id_context(con, context,
1084                                                strlen((char *)context));
1085
1086         sbio=BIO_new_socket(s,BIO_NOCLOSE);
1087         if (s_nbio_test)
1088                 {
1089                 BIO *test;
1090
1091                 test=BIO_new(BIO_f_nbio_test());
1092                 sbio=BIO_push(test,sbio);
1093                 }
1094         SSL_set_bio(con,sbio,sbio);
1095         SSL_set_accept_state(con);
1096
1097         /* SSL_set_fd(con,s); */
1098         BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
1099         BIO_push(io,ssl_bio);
1100 #ifdef CHARSET_EBCDIC
1101         io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
1102 #endif
1103
1104         if (s_debug)
1105                 {
1106                 con->debug=1;
1107                 BIO_set_callback(SSL_get_rbio(con),bio_dump_cb);
1108                 BIO_set_callback_arg(SSL_get_rbio(con),bio_s_out);
1109                 }
1110
1111         blank=0;
1112         for (;;)
1113                 {
1114                 if (hack)
1115                         {
1116                         i=SSL_accept(con);
1117
1118                         switch (SSL_get_error(con,i))
1119                                 {
1120                         case SSL_ERROR_NONE:
1121                                 break;
1122                         case SSL_ERROR_WANT_WRITE:
1123                         case SSL_ERROR_WANT_READ:
1124                         case SSL_ERROR_WANT_X509_LOOKUP:
1125                                 continue;
1126                         case SSL_ERROR_SYSCALL:
1127                         case SSL_ERROR_SSL:
1128                         case SSL_ERROR_ZERO_RETURN:
1129                                 ret=1;
1130                                 goto err;
1131                                 /* break; */
1132                                 }
1133
1134                         SSL_renegotiate(con);
1135                         SSL_write(con,NULL,0);
1136                         }
1137
1138                 i=BIO_gets(io,buf,bufsize-1);
1139                 if (i < 0) /* error */
1140                         {
1141                         if (!BIO_should_retry(io))
1142                                 {
1143                                 if (!s_quiet)
1144                                         ERR_print_errors(bio_err);
1145                                 goto err;
1146                                 }
1147                         else
1148                                 {
1149                                 BIO_printf(bio_s_out,"read R BLOCK\n");
1150 #ifndef MSDOS
1151                                 sleep(1);
1152 #endif
1153                                 continue;
1154                                 }
1155                         }
1156                 else if (i == 0) /* end of input */
1157                         {
1158                         ret=1;
1159                         goto end;
1160                         }
1161
1162                 /* else we have data */
1163                 if (    ((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
1164                         ((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
1165                         {
1166                         char *p;
1167                         X509 *peer;
1168                         STACK_OF(SSL_CIPHER) *sk;
1169                         static char *space="                          ";
1170
1171                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
1172                         BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n");
1173                         BIO_puts(io,"<pre>\n");
1174 /*                      BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
1175                         BIO_puts(io,"\n");
1176                         for (i=0; i<local_argc; i++)
1177                                 {
1178                                 BIO_puts(io,local_argv[i]);
1179                                 BIO_write(io," ",1);
1180                                 }
1181                         BIO_puts(io,"\n");
1182
1183                         /* The following is evil and should not really
1184                          * be done */
1185                         BIO_printf(io,"Ciphers supported in s_server binary\n");
1186                         sk=SSL_get_ciphers(con);
1187                         j=sk_SSL_CIPHER_num(sk);
1188                         for (i=0; i<j; i++)
1189                                 {
1190                                 c=sk_SSL_CIPHER_value(sk,i);
1191                                 BIO_printf(io,"%-11s:%-25s",
1192                                         SSL_CIPHER_get_version(c),
1193                                         SSL_CIPHER_get_name(c));
1194                                 if ((((i+1)%2) == 0) && (i+1 != j))
1195                                         BIO_puts(io,"\n");
1196                                 }
1197                         BIO_puts(io,"\n");
1198                         p=SSL_get_shared_ciphers(con,buf,bufsize);
1199                         if (p != NULL)
1200                                 {
1201                                 BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
1202                                 j=i=0;
1203                                 while (*p)
1204                                         {
1205                                         if (*p == ':')
1206                                                 {
1207                                                 BIO_write(io,space,26-j);
1208                                                 i++;
1209                                                 j=0;
1210                                                 BIO_write(io,((i%3)?" ":"\n"),1);
1211                                                 }
1212                                         else
1213                                                 {
1214                                                 BIO_write(io,p,1);
1215                                                 j++;
1216                                                 }
1217                                         p++;
1218                                         }
1219                                 BIO_puts(io,"\n");
1220                                 }
1221                         BIO_printf(io,((con->hit)
1222                                 ?"---\nReused, "
1223                                 :"---\nNew, "));
1224                         c=SSL_get_current_cipher(con);
1225                         BIO_printf(io,"%s, Cipher is %s\n",
1226                                 SSL_CIPHER_get_version(c),
1227                                 SSL_CIPHER_get_name(c));
1228                         SSL_SESSION_print(io,SSL_get_session(con));
1229                         BIO_printf(io,"---\n");
1230                         print_stats(io,SSL_get_SSL_CTX(con));
1231                         BIO_printf(io,"---\n");
1232                         peer=SSL_get_peer_certificate(con);
1233                         if (peer != NULL)
1234                                 {
1235                                 BIO_printf(io,"Client certificate\n");
1236                                 X509_print(io,peer);
1237                                 PEM_write_bio_X509(io,peer);
1238                                 }
1239                         else
1240                                 BIO_puts(io,"no client certificate available\n");
1241                         BIO_puts(io,"</BODY></HTML>\r\n\r\n");
1242                         break;
1243                         }
1244                 else if ((www == 2) && (strncmp("GET /",buf,5) == 0))
1245                         {
1246                         BIO *file;
1247                         char *p,*e;
1248                         static char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
1249
1250                         /* skip the '/' */
1251                         p= &(buf[5]);
1252                         dot=0;
1253                         for (e=p; *e != '\0'; e++)
1254                                 {
1255                                 if (e[0] == ' ') break;
1256                                 if (    (e[0] == '.') &&
1257                                         (strncmp(&(e[-1]),"/../",4) == 0))
1258                                         dot=1;
1259                                 }
1260                         
1261
1262                         if (*e == '\0')
1263                                 {
1264                                 BIO_puts(io,text);
1265                                 BIO_printf(io,"'%s' is an invalid file name\r\n",p);
1266                                 break;
1267                                 }
1268                         *e='\0';
1269
1270                         if (dot)
1271                                 {
1272                                 BIO_puts(io,text);
1273                                 BIO_printf(io,"'%s' contains '..' reference\r\n",p);
1274                                 break;
1275                                 }
1276
1277                         if (*p == '/')
1278                                 {
1279                                 BIO_puts(io,text);
1280                                 BIO_printf(io,"'%s' is an invalid path\r\n",p);
1281                                 break;
1282                                 }
1283
1284                         /* append if a directory lookup */
1285                         if (e[-1] == '/')
1286                                 strcat(p,"index.html");
1287
1288                         /* if a directory, do the index thang */
1289                         if (stat(p,&st_buf) < 0)
1290                                 {
1291                                 BIO_puts(io,text);
1292                                 BIO_printf(io,"Error accessing '%s'\r\n",p);
1293                                 ERR_print_errors(io);
1294                                 break;
1295                                 }
1296                         if (S_ISDIR(st_buf.st_mode))
1297                                 {
1298                                 strcat(p,"/index.html");
1299                                 }
1300
1301                         if ((file=BIO_new_file(p,"r")) == NULL)
1302                                 {
1303                                 BIO_puts(io,text);
1304                                 BIO_printf(io,"Error opening '%s'\r\n",p);
1305                                 ERR_print_errors(io);
1306                                 break;
1307                                 }
1308
1309                         if (!s_quiet)
1310                                 BIO_printf(bio_err,"FILE:%s\n",p);
1311
1312                         i=strlen(p);
1313                         if (    ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) ||
1314                                 ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) ||
1315                                 ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0)))
1316                                 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
1317                         else
1318                                 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
1319                         /* send the file */
1320                         total_bytes=0;
1321                         for (;;)
1322                                 {
1323                                 i=BIO_read(file,buf,bufsize);
1324                                 if (i <= 0) break;
1325
1326 #ifdef RENEG
1327                                 total_bytes+=i;
1328                                 fprintf(stderr,"%d\n",i);
1329                                 if (total_bytes > 3*1024)
1330                                         {
1331                                         total_bytes=0;
1332                                         fprintf(stderr,"RENEGOTIATE\n");
1333                                         SSL_renegotiate(con);
1334                                         }
1335 #endif
1336
1337                                 for (j=0; j<i; )
1338                                         {
1339 #ifdef RENEG
1340 { static count=0; if (++count == 13) { SSL_renegotiate(con); } }
1341 #endif
1342                                         k=BIO_write(io,&(buf[j]),i-j);
1343                                         if (k <= 0)
1344                                                 {
1345                                                 if (!BIO_should_retry(io))
1346                                                         goto write_error;
1347                                                 else
1348                                                         {
1349                                                         BIO_printf(bio_s_out,"rwrite W BLOCK\n");
1350                                                         }
1351                                                 }
1352                                         else
1353                                                 {
1354                                                 j+=k;
1355                                                 }
1356                                         }
1357                                 }
1358 write_error:
1359                         BIO_free(file);
1360                         break;
1361                         }
1362                 }
1363
1364         for (;;)
1365                 {
1366                 i=(int)BIO_flush(io);
1367                 if (i <= 0)
1368                         {
1369                         if (!BIO_should_retry(io))
1370                                 break;
1371                         }
1372                 else
1373                         break;
1374                 }
1375 end:
1376 #if 1
1377         /* make sure we re-use sessions */
1378         SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
1379 #else
1380         /* This kills performace */
1381 /*      SSL_shutdown(con); A shutdown gets sent in the
1382  *      BIO_free_all(io) procession */
1383 #endif
1384
1385 err:
1386
1387         if (ret >= 0)
1388                 BIO_printf(bio_s_out,"ACCEPT\n");
1389
1390         if (buf != NULL) Free(buf);
1391         if (io != NULL) BIO_free_all(io);
1392 /*      if (ssl_bio != NULL) BIO_free(ssl_bio);*/
1393         return(ret);
1394         }
1395
1396 #ifndef NO_RSA
1397 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int export, int keylength)
1398         {
1399         static RSA *rsa_tmp=NULL;
1400
1401         if (rsa_tmp == NULL)
1402                 {
1403                 if (!s_quiet)
1404                         {
1405                         BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
1406                         BIO_flush(bio_err);
1407                         }
1408                 rsa_tmp=RSA_generate_key(keylength,RSA_F4,NULL,NULL);
1409                 if (!s_quiet)
1410                         {
1411                         BIO_printf(bio_err,"\n");
1412                         BIO_flush(bio_err);
1413                         }
1414                 }
1415         return(rsa_tmp);
1416         }
1417 #endif