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Support the EBCDIC character set and BS2000/OSD-POSIX (work in progress).
[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 /* 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
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