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Provide an application-common setup function for engines and use it
[thirdparty/openssl.git] / apps / s_server.c
1 /* apps/s_server.c */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
8 *
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 *
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 *
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51 * SUCH DAMAGE.
52 *
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
57 */
58
59 #include <assert.h>
60 #include <stdio.h>
61 #include <stdlib.h>
62 #include <string.h>
63 #include <sys/types.h>
64 #include <sys/stat.h>
65 #include <openssl/e_os2.h>
66 #ifdef OPENSSL_NO_STDIO
67 #define APPS_WIN16
68 #endif
69
70 /* With IPv6, it looks like Digital has mixed up the proper order of
71 recursive header file inclusion, resulting in the compiler complaining
72 that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which
73 is needed to have fileno() declared correctly... So let's define u_int */
74 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
75 #define __U_INT
76 typedef unsigned int u_int;
77 #endif
78
79 #include <openssl/lhash.h>
80 #include <openssl/bn.h>
81 #define USE_SOCKETS
82 #include "apps.h"
83 #include <openssl/err.h>
84 #include <openssl/pem.h>
85 #include <openssl/x509.h>
86 #include <openssl/ssl.h>
87 #include <openssl/engine.h>
88 #include "s_apps.h"
89
90 #ifdef OPENSSL_SYS_WINDOWS
91 #include <conio.h>
92 #endif
93
94 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
95 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
96 #undef FIONBIO
97 #endif
98
99 #ifndef OPENSSL_NO_RSA
100 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength);
101 #endif
102 static int sv_body(char *hostname, int s, unsigned char *context);
103 static int www_body(char *hostname, int s, unsigned char *context);
104 static void close_accept_socket(void );
105 static void sv_usage(void);
106 static int init_ssl_connection(SSL *s);
107 static void print_stats(BIO *bp,SSL_CTX *ctx);
108 static int generate_session_id(const SSL *ssl, unsigned char *id,
109 unsigned int *id_len);
110 #ifndef OPENSSL_NO_DH
111 static DH *load_dh_param(char *dhfile);
112 static DH *get_dh512(void);
113 #endif
114 #ifdef MONOLITH
115 static void s_server_init(void);
116 #endif
117
118 #ifndef S_ISDIR
119 # if defined(_S_IFMT) && defined(_S_IFDIR)
120 # define S_ISDIR(a) (((a) & _S_IFMT) == _S_IFDIR)
121 # else
122 # define S_ISDIR(a) (((a) & S_IFMT) == S_IFDIR)
123 # endif
124 #endif
125
126 #ifndef OPENSSL_NO_DH
127 static unsigned char dh512_p[]={
128 0xDA,0x58,0x3C,0x16,0xD9,0x85,0x22,0x89,0xD0,0xE4,0xAF,0x75,
129 0x6F,0x4C,0xCA,0x92,0xDD,0x4B,0xE5,0x33,0xB8,0x04,0xFB,0x0F,
130 0xED,0x94,0xEF,0x9C,0x8A,0x44,0x03,0xED,0x57,0x46,0x50,0xD3,
131 0x69,0x99,0xDB,0x29,0xD7,0x76,0x27,0x6B,0xA2,0xD3,0xD4,0x12,
132 0xE2,0x18,0xF4,0xDD,0x1E,0x08,0x4C,0xF6,0xD8,0x00,0x3E,0x7C,
133 0x47,0x74,0xE8,0x33,
134 };
135 static unsigned char dh512_g[]={
136 0x02,
137 };
138
139 static DH *get_dh512(void)
140 {
141 DH *dh=NULL;
142
143 if ((dh=DH_new()) == NULL) return(NULL);
144 dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
145 dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
146 if ((dh->p == NULL) || (dh->g == NULL))
147 return(NULL);
148 return(dh);
149 }
150 #endif
151
152 /* static int load_CA(SSL_CTX *ctx, char *file);*/
153
154 #undef BUFSIZZ
155 #define BUFSIZZ 16*1024
156 static int bufsize=BUFSIZZ;
157 static int accept_socket= -1;
158
159 #define TEST_CERT "server.pem"
160 #undef PROG
161 #define PROG s_server_main
162
163 extern int verify_depth;
164
165 static char *cipher=NULL;
166 static int s_server_verify=SSL_VERIFY_NONE;
167 static int s_server_session_id_context = 1; /* anything will do */
168 static char *s_cert_file=TEST_CERT,*s_key_file=NULL;
169 static char *s_dcert_file=NULL,*s_dkey_file=NULL;
170 #ifdef FIONBIO
171 static int s_nbio=0;
172 #endif
173 static int s_nbio_test=0;
174 int s_crlf=0;
175 static SSL_CTX *ctx=NULL;
176 static int www=0;
177
178 static BIO *bio_s_out=NULL;
179 static int s_debug=0;
180 static int s_quiet=0;
181
182 static int hack=0;
183 static char *engine_id=NULL;
184 static const char *session_id_prefix=NULL;
185
186 #ifdef MONOLITH
187 static void s_server_init(void)
188 {
189 accept_socket=-1;
190 cipher=NULL;
191 s_server_verify=SSL_VERIFY_NONE;
192 s_dcert_file=NULL;
193 s_dkey_file=NULL;
194 s_cert_file=TEST_CERT;
195 s_key_file=NULL;
196 #ifdef FIONBIO
197 s_nbio=0;
198 #endif
199 s_nbio_test=0;
200 ctx=NULL;
201 www=0;
202
203 bio_s_out=NULL;
204 s_debug=0;
205 s_quiet=0;
206 hack=0;
207 engine_id=NULL;
208 }
209 #endif
210
211 static void sv_usage(void)
212 {
213 BIO_printf(bio_err,"usage: s_server [args ...]\n");
214 BIO_printf(bio_err,"\n");
215 BIO_printf(bio_err," -accept arg - port to accept on (default is %d)\n",PORT);
216 BIO_printf(bio_err," -context arg - set session ID context\n");
217 BIO_printf(bio_err," -verify arg - turn on peer certificate verification\n");
218 BIO_printf(bio_err," -Verify arg - turn on peer certificate verification, must have a cert.\n");
219 BIO_printf(bio_err," -cert arg - certificate file to use, PEM format assumed\n");
220 BIO_printf(bio_err," (default is %s)\n",TEST_CERT);
221 BIO_printf(bio_err," -key arg - Private Key file to use, PEM format assumed, in cert file if\n");
222 BIO_printf(bio_err," not specified (default is %s)\n",TEST_CERT);
223 BIO_printf(bio_err," -dcert arg - second certificate file to use (usually for DSA)\n");
224 BIO_printf(bio_err," -dkey arg - second private key file to use (usually for DSA)\n");
225 BIO_printf(bio_err," -dhparam arg - DH parameter file to use, in cert file if not specified\n");
226 BIO_printf(bio_err," or a default set of parameters is used\n");
227 #ifdef FIONBIO
228 BIO_printf(bio_err," -nbio - Run with non-blocking IO\n");
229 #endif
230 BIO_printf(bio_err," -nbio_test - test with the non-blocking test bio\n");
231 BIO_printf(bio_err," -crlf - convert LF from terminal into CRLF\n");
232 BIO_printf(bio_err," -debug - Print more output\n");
233 BIO_printf(bio_err," -state - Print the SSL states\n");
234 BIO_printf(bio_err," -CApath arg - PEM format directory of CA's\n");
235 BIO_printf(bio_err," -CAfile arg - PEM format file of CA's\n");
236 BIO_printf(bio_err," -nocert - Don't use any certificates (Anon-DH)\n");
237 BIO_printf(bio_err," -cipher arg - play with 'openssl ciphers' to see what goes here\n");
238 BIO_printf(bio_err," -serverpref - Use server's cipher preferences\n");
239 BIO_printf(bio_err," -quiet - No server output\n");
240 BIO_printf(bio_err," -no_tmp_rsa - Do not generate a tmp RSA key\n");
241 BIO_printf(bio_err," -ssl2 - Just talk SSLv2\n");
242 BIO_printf(bio_err," -ssl3 - Just talk SSLv3\n");
243 BIO_printf(bio_err," -tls1 - Just talk TLSv1\n");
244 BIO_printf(bio_err," -no_ssl2 - Just disable SSLv2\n");
245 BIO_printf(bio_err," -no_ssl3 - Just disable SSLv3\n");
246 BIO_printf(bio_err," -no_tls1 - Just disable TLSv1\n");
247 #ifndef OPENSSL_NO_DH
248 BIO_printf(bio_err," -no_dhe - Disable ephemeral DH\n");
249 #endif
250 BIO_printf(bio_err," -bugs - Turn on SSL bug compatibility\n");
251 BIO_printf(bio_err," -www - Respond to a 'GET /' with a status page\n");
252 BIO_printf(bio_err," -WWW - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
253 BIO_printf(bio_err," -HTTP - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
254 BIO_printf(bio_err," with the assumption it contains a complete HTTP response.\n");
255 BIO_printf(bio_err," -engine id - Initialise and use the specified engine\n");
256 BIO_printf(bio_err," -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n");
257 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
258 }
259
260 static int local_argc=0;
261 static char **local_argv;
262
263 #ifdef CHARSET_EBCDIC
264 static int ebcdic_new(BIO *bi);
265 static int ebcdic_free(BIO *a);
266 static int ebcdic_read(BIO *b, char *out, int outl);
267 static int ebcdic_write(BIO *b, char *in, int inl);
268 static long ebcdic_ctrl(BIO *b, int cmd, long num, char *ptr);
269 static int ebcdic_gets(BIO *bp, char *buf, int size);
270 static int ebcdic_puts(BIO *bp, char *str);
271
272 #define BIO_TYPE_EBCDIC_FILTER (18|0x0200)
273 static BIO_METHOD methods_ebcdic=
274 {
275 BIO_TYPE_EBCDIC_FILTER,
276 "EBCDIC/ASCII filter",
277 ebcdic_write,
278 ebcdic_read,
279 ebcdic_puts,
280 ebcdic_gets,
281 ebcdic_ctrl,
282 ebcdic_new,
283 ebcdic_free,
284 };
285
286 typedef struct
287 {
288 size_t alloced;
289 char buff[1];
290 } EBCDIC_OUTBUFF;
291
292 BIO_METHOD *BIO_f_ebcdic_filter()
293 {
294 return(&methods_ebcdic);
295 }
296
297 static int ebcdic_new(BIO *bi)
298 {
299 EBCDIC_OUTBUFF *wbuf;
300
301 wbuf = (EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024);
302 wbuf->alloced = 1024;
303 wbuf->buff[0] = '\0';
304
305 bi->ptr=(char *)wbuf;
306 bi->init=1;
307 bi->flags=0;
308 return(1);
309 }
310
311 static int ebcdic_free(BIO *a)
312 {
313 if (a == NULL) return(0);
314 if (a->ptr != NULL)
315 OPENSSL_free(a->ptr);
316 a->ptr=NULL;
317 a->init=0;
318 a->flags=0;
319 return(1);
320 }
321
322 static int ebcdic_read(BIO *b, char *out, int outl)
323 {
324 int ret=0;
325
326 if (out == NULL || outl == 0) return(0);
327 if (b->next_bio == NULL) return(0);
328
329 ret=BIO_read(b->next_bio,out,outl);
330 if (ret > 0)
331 ascii2ebcdic(out,out,ret);
332 return(ret);
333 }
334
335 static int ebcdic_write(BIO *b, char *in, int inl)
336 {
337 EBCDIC_OUTBUFF *wbuf;
338 int ret=0;
339 int num;
340 unsigned char n;
341
342 if ((in == NULL) || (inl <= 0)) return(0);
343 if (b->next_bio == NULL) return(0);
344
345 wbuf=(EBCDIC_OUTBUFF *)b->ptr;
346
347 if (inl > (num = wbuf->alloced))
348 {
349 num = num + num; /* double the size */
350 if (num < inl)
351 num = inl;
352 OPENSSL_free(wbuf);
353 wbuf=(EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num);
354
355 wbuf->alloced = num;
356 wbuf->buff[0] = '\0';
357
358 b->ptr=(char *)wbuf;
359 }
360
361 ebcdic2ascii(wbuf->buff, in, inl);
362
363 ret=BIO_write(b->next_bio, wbuf->buff, inl);
364
365 return(ret);
366 }
367
368 static long ebcdic_ctrl(BIO *b, int cmd, long num, char *ptr)
369 {
370 long ret;
371
372 if (b->next_bio == NULL) return(0);
373 switch (cmd)
374 {
375 case BIO_CTRL_DUP:
376 ret=0L;
377 break;
378 default:
379 ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
380 break;
381 }
382 return(ret);
383 }
384
385 static int ebcdic_gets(BIO *bp, char *buf, int size)
386 {
387 int i, ret;
388 if (bp->next_bio == NULL) return(0);
389 /* return(BIO_gets(bp->next_bio,buf,size));*/
390 for (i=0; i<size-1; ++i)
391 {
392 ret = ebcdic_read(bp,&buf[i],1);
393 if (ret <= 0)
394 break;
395 else if (buf[i] == '\n')
396 {
397 ++i;
398 break;
399 }
400 }
401 if (i < size)
402 buf[i] = '\0';
403 return (ret < 0 && i == 0) ? ret : i;
404 }
405
406 static int ebcdic_puts(BIO *bp, char *str)
407 {
408 if (bp->next_bio == NULL) return(0);
409 return ebcdic_write(bp, str, strlen(str));
410 }
411 #endif
412
413 int MAIN(int, char **);
414
415 int MAIN(int argc, char *argv[])
416 {
417 X509_STORE *store = NULL;
418 int vflags = 0;
419 short port=PORT;
420 char *CApath=NULL,*CAfile=NULL;
421 char *context = NULL;
422 char *dhfile = NULL;
423 int badop=0,bugs=0;
424 int ret=1;
425 int off=0;
426 int no_tmp_rsa=0,no_dhe=0,nocert=0;
427 int state=0;
428 SSL_METHOD *meth=NULL;
429 ENGINE *e=NULL;
430 char *inrand=NULL;
431
432 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
433 meth=SSLv23_server_method();
434 #elif !defined(OPENSSL_NO_SSL3)
435 meth=SSLv3_server_method();
436 #elif !defined(OPENSSL_NO_SSL2)
437 meth=SSLv2_server_method();
438 #endif
439
440 local_argc=argc;
441 local_argv=argv;
442
443 apps_startup();
444 #ifdef MONOLITH
445 s_server_init();
446 #endif
447
448 if (bio_err == NULL)
449 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
450
451 verify_depth=0;
452 #ifdef FIONBIO
453 s_nbio=0;
454 #endif
455 s_nbio_test=0;
456
457 argc--;
458 argv++;
459
460 while (argc >= 1)
461 {
462 if ((strcmp(*argv,"-port") == 0) ||
463 (strcmp(*argv,"-accept") == 0))
464 {
465 if (--argc < 1) goto bad;
466 if (!extract_port(*(++argv),&port))
467 goto bad;
468 }
469 else if (strcmp(*argv,"-verify") == 0)
470 {
471 s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
472 if (--argc < 1) goto bad;
473 verify_depth=atoi(*(++argv));
474 BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
475 }
476 else if (strcmp(*argv,"-Verify") == 0)
477 {
478 s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT|
479 SSL_VERIFY_CLIENT_ONCE;
480 if (--argc < 1) goto bad;
481 verify_depth=atoi(*(++argv));
482 BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth);
483 }
484 else if (strcmp(*argv,"-context") == 0)
485 {
486 if (--argc < 1) goto bad;
487 context= *(++argv);
488 }
489 else if (strcmp(*argv,"-cert") == 0)
490 {
491 if (--argc < 1) goto bad;
492 s_cert_file= *(++argv);
493 }
494 else if (strcmp(*argv,"-key") == 0)
495 {
496 if (--argc < 1) goto bad;
497 s_key_file= *(++argv);
498 }
499 else if (strcmp(*argv,"-dhparam") == 0)
500 {
501 if (--argc < 1) goto bad;
502 dhfile = *(++argv);
503 }
504 else if (strcmp(*argv,"-dcert") == 0)
505 {
506 if (--argc < 1) goto bad;
507 s_dcert_file= *(++argv);
508 }
509 else if (strcmp(*argv,"-dkey") == 0)
510 {
511 if (--argc < 1) goto bad;
512 s_dkey_file= *(++argv);
513 }
514 else if (strcmp(*argv,"-nocert") == 0)
515 {
516 nocert=1;
517 }
518 else if (strcmp(*argv,"-CApath") == 0)
519 {
520 if (--argc < 1) goto bad;
521 CApath= *(++argv);
522 }
523 else if (strcmp(*argv,"-crl_check") == 0)
524 {
525 vflags |= X509_V_FLAG_CRL_CHECK;
526 }
527 else if (strcmp(*argv,"-crl_check") == 0)
528 {
529 vflags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;
530 }
531 else if (strcmp(*argv,"-serverpref") == 0)
532 { off|=SSL_OP_CIPHER_SERVER_PREFERENCE; }
533 else if (strcmp(*argv,"-cipher") == 0)
534 {
535 if (--argc < 1) goto bad;
536 cipher= *(++argv);
537 }
538 else if (strcmp(*argv,"-CAfile") == 0)
539 {
540 if (--argc < 1) goto bad;
541 CAfile= *(++argv);
542 }
543 #ifdef FIONBIO
544 else if (strcmp(*argv,"-nbio") == 0)
545 { s_nbio=1; }
546 #endif
547 else if (strcmp(*argv,"-nbio_test") == 0)
548 {
549 #ifdef FIONBIO
550 s_nbio=1;
551 #endif
552 s_nbio_test=1;
553 }
554 else if (strcmp(*argv,"-debug") == 0)
555 { s_debug=1; }
556 else if (strcmp(*argv,"-hack") == 0)
557 { hack=1; }
558 else if (strcmp(*argv,"-state") == 0)
559 { state=1; }
560 else if (strcmp(*argv,"-crlf") == 0)
561 { s_crlf=1; }
562 else if (strcmp(*argv,"-quiet") == 0)
563 { s_quiet=1; }
564 else if (strcmp(*argv,"-bugs") == 0)
565 { bugs=1; }
566 else if (strcmp(*argv,"-no_tmp_rsa") == 0)
567 { no_tmp_rsa=1; }
568 else if (strcmp(*argv,"-no_dhe") == 0)
569 { no_dhe=1; }
570 else if (strcmp(*argv,"-www") == 0)
571 { www=1; }
572 else if (strcmp(*argv,"-WWW") == 0)
573 { www=2; }
574 else if (strcmp(*argv,"-HTTP") == 0)
575 { www=3; }
576 else if (strcmp(*argv,"-no_ssl2") == 0)
577 { off|=SSL_OP_NO_SSLv2; }
578 else if (strcmp(*argv,"-no_ssl3") == 0)
579 { off|=SSL_OP_NO_SSLv3; }
580 else if (strcmp(*argv,"-no_tls1") == 0)
581 { off|=SSL_OP_NO_TLSv1; }
582 #ifndef OPENSSL_NO_SSL2
583 else if (strcmp(*argv,"-ssl2") == 0)
584 { meth=SSLv2_server_method(); }
585 #endif
586 #ifndef OPENSSL_NO_SSL3
587 else if (strcmp(*argv,"-ssl3") == 0)
588 { meth=SSLv3_server_method(); }
589 #endif
590 #ifndef OPENSSL_NO_TLS1
591 else if (strcmp(*argv,"-tls1") == 0)
592 { meth=TLSv1_server_method(); }
593 #endif
594 else if (strcmp(*argv, "-id_prefix") == 0)
595 {
596 if (--argc < 1) goto bad;
597 session_id_prefix = *(++argv);
598 }
599 else if (strcmp(*argv,"-engine") == 0)
600 {
601 if (--argc < 1) goto bad;
602 engine_id= *(++argv);
603 }
604 else if (strcmp(*argv,"-rand") == 0)
605 {
606 if (--argc < 1) goto bad;
607 inrand= *(++argv);
608 }
609 else
610 {
611 BIO_printf(bio_err,"unknown option %s\n",*argv);
612 badop=1;
613 break;
614 }
615 argc--;
616 argv++;
617 }
618 if (badop)
619 {
620 bad:
621 sv_usage();
622 goto end;
623 }
624
625 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
626 && !RAND_status())
627 {
628 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
629 }
630 if (inrand != NULL)
631 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
632 app_RAND_load_files(inrand));
633
634 if (bio_s_out == NULL)
635 {
636 if (s_quiet && !s_debug)
637 {
638 bio_s_out=BIO_new(BIO_s_null());
639 }
640 else
641 {
642 if (bio_s_out == NULL)
643 bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE);
644 }
645 }
646
647 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA)
648 if (nocert)
649 #endif
650 {
651 s_cert_file=NULL;
652 s_key_file=NULL;
653 s_dcert_file=NULL;
654 s_dkey_file=NULL;
655 }
656
657 SSL_load_error_strings();
658 OpenSSL_add_ssl_algorithms();
659
660 e = setup_engine(bio_err, engine_id, 1);
661
662 ctx=SSL_CTX_new(meth);
663 if (ctx == NULL)
664 {
665 ERR_print_errors(bio_err);
666 goto end;
667 }
668 if (session_id_prefix)
669 {
670 if(strlen(session_id_prefix) >= 32)
671 BIO_printf(bio_err,
672 "warning: id_prefix is too long, only one new session will be possible\n");
673 else if(strlen(session_id_prefix) >= 16)
674 BIO_printf(bio_err,
675 "warning: id_prefix is too long if you use SSLv2\n");
676 if(!SSL_CTX_set_generate_session_id(ctx, generate_session_id))
677 {
678 BIO_printf(bio_err,"error setting 'id_prefix'\n");
679 ERR_print_errors(bio_err);
680 goto end;
681 }
682 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
683 }
684 SSL_CTX_set_quiet_shutdown(ctx,1);
685 if (bugs) SSL_CTX_set_options(ctx,SSL_OP_ALL);
686 if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
687 SSL_CTX_set_options(ctx,off);
688 if (hack) SSL_CTX_set_options(ctx,SSL_OP_NON_EXPORT_FIRST);
689
690 if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
691
692 SSL_CTX_sess_set_cache_size(ctx,128);
693
694 #if 0
695 if (cipher == NULL) cipher=getenv("SSL_CIPHER");
696 #endif
697
698 #if 0
699 if (s_cert_file == NULL)
700 {
701 BIO_printf(bio_err,"You must specify a certificate file for the server to use\n");
702 goto end;
703 }
704 #endif
705
706 if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
707 (!SSL_CTX_set_default_verify_paths(ctx)))
708 {
709 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
710 ERR_print_errors(bio_err);
711 /* goto end; */
712 }
713 store = SSL_CTX_get_cert_store(ctx);
714 X509_STORE_set_flags(store, vflags);
715
716 #ifndef OPENSSL_NO_DH
717 if (!no_dhe)
718 {
719 DH *dh=NULL;
720
721 if (dhfile)
722 dh = load_dh_param(dhfile);
723 else if (s_cert_file)
724 dh = load_dh_param(s_cert_file);
725
726 if (dh != NULL)
727 {
728 BIO_printf(bio_s_out,"Setting temp DH parameters\n");
729 }
730 else
731 {
732 BIO_printf(bio_s_out,"Using default temp DH parameters\n");
733 dh=get_dh512();
734 }
735 (void)BIO_flush(bio_s_out);
736
737 SSL_CTX_set_tmp_dh(ctx,dh);
738 DH_free(dh);
739 }
740 #endif
741
742 if (!set_cert_stuff(ctx,s_cert_file,s_key_file))
743 goto end;
744 if (s_dcert_file != NULL)
745 {
746 if (!set_cert_stuff(ctx,s_dcert_file,s_dkey_file))
747 goto end;
748 }
749
750 #ifndef OPENSSL_NO_RSA
751 #if 1
752 if (!no_tmp_rsa)
753 SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
754 #else
755 if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx))
756 {
757 RSA *rsa;
758
759 BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key...");
760 BIO_flush(bio_s_out);
761
762 rsa=RSA_generate_key(512,RSA_F4,NULL);
763
764 if (!SSL_CTX_set_tmp_rsa(ctx,rsa))
765 {
766 ERR_print_errors(bio_err);
767 goto end;
768 }
769 RSA_free(rsa);
770 BIO_printf(bio_s_out,"\n");
771 }
772 #endif
773 #endif
774
775 if (cipher != NULL)
776 if(!SSL_CTX_set_cipher_list(ctx,cipher)) {
777 BIO_printf(bio_err,"error setting cipher list\n");
778 ERR_print_errors(bio_err);
779 goto end;
780 }
781 SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
782 SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
783 sizeof s_server_session_id_context);
784
785 if (CAfile != NULL)
786 SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
787
788 BIO_printf(bio_s_out,"ACCEPT\n");
789 if (www)
790 do_server(port,&accept_socket,www_body, context);
791 else
792 do_server(port,&accept_socket,sv_body, context);
793 print_stats(bio_s_out,ctx);
794 ret=0;
795 end:
796 if (ctx != NULL) SSL_CTX_free(ctx);
797 if (bio_s_out != NULL)
798 {
799 BIO_free(bio_s_out);
800 bio_s_out=NULL;
801 }
802 EXIT(ret);
803 }
804
805 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
806 {
807 BIO_printf(bio,"%4ld items in the session cache\n",
808 SSL_CTX_sess_number(ssl_ctx));
809 BIO_printf(bio,"%4d client connects (SSL_connect())\n",
810 SSL_CTX_sess_connect(ssl_ctx));
811 BIO_printf(bio,"%4d client renegotiates (SSL_connect())\n",
812 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
813 BIO_printf(bio,"%4d client connects that finished\n",
814 SSL_CTX_sess_connect_good(ssl_ctx));
815 BIO_printf(bio,"%4d server accepts (SSL_accept())\n",
816 SSL_CTX_sess_accept(ssl_ctx));
817 BIO_printf(bio,"%4d server renegotiates (SSL_accept())\n",
818 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
819 BIO_printf(bio,"%4d server accepts that finished\n",
820 SSL_CTX_sess_accept_good(ssl_ctx));
821 BIO_printf(bio,"%4d session cache hits\n",SSL_CTX_sess_hits(ssl_ctx));
822 BIO_printf(bio,"%4d session cache misses\n",SSL_CTX_sess_misses(ssl_ctx));
823 BIO_printf(bio,"%4d session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx));
824 BIO_printf(bio,"%4d callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx));
825 BIO_printf(bio,"%4d cache full overflows (%d allowed)\n",
826 SSL_CTX_sess_cache_full(ssl_ctx),
827 SSL_CTX_sess_get_cache_size(ssl_ctx));
828 }
829
830 static int sv_body(char *hostname, int s, unsigned char *context)
831 {
832 char *buf=NULL;
833 fd_set readfds;
834 int ret=1,width;
835 int k,i;
836 unsigned long l;
837 SSL *con=NULL;
838 BIO *sbio;
839 #ifdef OPENSSL_SYS_WINDOWS
840 struct timeval tv;
841 #endif
842
843 if ((buf=OPENSSL_malloc(bufsize)) == NULL)
844 {
845 BIO_printf(bio_err,"out of memory\n");
846 goto err;
847 }
848 #ifdef FIONBIO
849 if (s_nbio)
850 {
851 unsigned long sl=1;
852
853 if (!s_quiet)
854 BIO_printf(bio_err,"turning on non blocking io\n");
855 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
856 ERR_print_errors(bio_err);
857 }
858 #endif
859
860 if (con == NULL) {
861 con=SSL_new(ctx);
862 #ifndef OPENSSL_NO_KRB5
863 if ((con->kssl_ctx = kssl_ctx_new()) != NULL)
864 {
865 kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVICE, KRB5SVC);
866 kssl_ctx_setstring(con->kssl_ctx, KSSL_KEYTAB, KRB5KEYTAB);
867 }
868 #endif /* OPENSSL_NO_KRB5 */
869 if(context)
870 SSL_set_session_id_context(con, context,
871 strlen((char *)context));
872 }
873 SSL_clear(con);
874
875 sbio=BIO_new_socket(s,BIO_NOCLOSE);
876 if (s_nbio_test)
877 {
878 BIO *test;
879
880 test=BIO_new(BIO_f_nbio_test());
881 sbio=BIO_push(test,sbio);
882 }
883 SSL_set_bio(con,sbio,sbio);
884 SSL_set_accept_state(con);
885 /* SSL_set_fd(con,s); */
886
887 if (s_debug)
888 {
889 con->debug=1;
890 BIO_set_callback(SSL_get_rbio(con),bio_dump_cb);
891 BIO_set_callback_arg(SSL_get_rbio(con),bio_s_out);
892 }
893
894 width=s+1;
895 for (;;)
896 {
897 int read_from_terminal;
898 int read_from_sslcon;
899
900 read_from_terminal = 0;
901 read_from_sslcon = SSL_pending(con);
902
903 if (!read_from_sslcon)
904 {
905 FD_ZERO(&readfds);
906 #ifndef OPENSSL_SYS_WINDOWS
907 FD_SET(fileno(stdin),&readfds);
908 #endif
909 FD_SET(s,&readfds);
910 /* Note: under VMS with SOCKETSHR the second parameter is
911 * currently of type (int *) whereas under other systems
912 * it is (void *) if you don't have a cast it will choke
913 * the compiler: if you do have a cast then you can either
914 * go for (int *) or (void *).
915 */
916 #ifdef OPENSSL_SYS_WINDOWS
917 /* Under Windows we can't select on stdin: only
918 * on sockets. As a workaround we timeout the select every
919 * second and check for any keypress. In a proper Windows
920 * application we wouldn't do this because it is inefficient.
921 */
922 tv.tv_sec = 1;
923 tv.tv_usec = 0;
924 i=select(width,(void *)&readfds,NULL,NULL,&tv);
925 if((i < 0) || (!i && !_kbhit() ) )continue;
926 if(_kbhit())
927 read_from_terminal = 1;
928 #else
929 i=select(width,(void *)&readfds,NULL,NULL,NULL);
930 if (i <= 0) continue;
931 if (FD_ISSET(fileno(stdin),&readfds))
932 read_from_terminal = 1;
933 #endif
934 if (FD_ISSET(s,&readfds))
935 read_from_sslcon = 1;
936 }
937 if (read_from_terminal)
938 {
939 if (s_crlf)
940 {
941 int j, lf_num;
942
943 i=read(fileno(stdin), buf, bufsize/2);
944 lf_num = 0;
945 /* both loops are skipped when i <= 0 */
946 for (j = 0; j < i; j++)
947 if (buf[j] == '\n')
948 lf_num++;
949 for (j = i-1; j >= 0; j--)
950 {
951 buf[j+lf_num] = buf[j];
952 if (buf[j] == '\n')
953 {
954 lf_num--;
955 i++;
956 buf[j+lf_num] = '\r';
957 }
958 }
959 assert(lf_num == 0);
960 }
961 else
962 i=read(fileno(stdin),buf,bufsize);
963 if (!s_quiet)
964 {
965 if ((i <= 0) || (buf[0] == 'Q'))
966 {
967 BIO_printf(bio_s_out,"DONE\n");
968 SHUTDOWN(s);
969 close_accept_socket();
970 ret= -11;
971 goto err;
972 }
973 if ((i <= 0) || (buf[0] == 'q'))
974 {
975 BIO_printf(bio_s_out,"DONE\n");
976 SHUTDOWN(s);
977 /* close_accept_socket();
978 ret= -11;*/
979 goto err;
980 }
981 if ((buf[0] == 'r') &&
982 ((buf[1] == '\n') || (buf[1] == '\r')))
983 {
984 SSL_renegotiate(con);
985 i=SSL_do_handshake(con);
986 printf("SSL_do_handshake -> %d\n",i);
987 i=0; /*13; */
988 continue;
989 /* strcpy(buf,"server side RE-NEGOTIATE\n"); */
990 }
991 if ((buf[0] == 'R') &&
992 ((buf[1] == '\n') || (buf[1] == '\r')))
993 {
994 SSL_set_verify(con,
995 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
996 SSL_renegotiate(con);
997 i=SSL_do_handshake(con);
998 printf("SSL_do_handshake -> %d\n",i);
999 i=0; /* 13; */
1000 continue;
1001 /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
1002 }
1003 if (buf[0] == 'P')
1004 {
1005 static char *str="Lets print some clear text\n";
1006 BIO_write(SSL_get_wbio(con),str,strlen(str));
1007 }
1008 if (buf[0] == 'S')
1009 {
1010 print_stats(bio_s_out,SSL_get_SSL_CTX(con));
1011 }
1012 }
1013 #ifdef CHARSET_EBCDIC
1014 ebcdic2ascii(buf,buf,i);
1015 #endif
1016 l=k=0;
1017 for (;;)
1018 {
1019 /* should do a select for the write */
1020 #ifdef RENEG
1021 { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
1022 #endif
1023 k=SSL_write(con,&(buf[l]),(unsigned int)i);
1024 switch (SSL_get_error(con,k))
1025 {
1026 case SSL_ERROR_NONE:
1027 break;
1028 case SSL_ERROR_WANT_WRITE:
1029 case SSL_ERROR_WANT_READ:
1030 case SSL_ERROR_WANT_X509_LOOKUP:
1031 BIO_printf(bio_s_out,"Write BLOCK\n");
1032 break;
1033 case SSL_ERROR_SYSCALL:
1034 case SSL_ERROR_SSL:
1035 BIO_printf(bio_s_out,"ERROR\n");
1036 ERR_print_errors(bio_err);
1037 ret=1;
1038 goto err;
1039 /* break; */
1040 case SSL_ERROR_ZERO_RETURN:
1041 BIO_printf(bio_s_out,"DONE\n");
1042 ret=1;
1043 goto err;
1044 }
1045 l+=k;
1046 i-=k;
1047 if (i <= 0) break;
1048 }
1049 }
1050 if (read_from_sslcon)
1051 {
1052 if (!SSL_is_init_finished(con))
1053 {
1054 i=init_ssl_connection(con);
1055
1056 if (i < 0)
1057 {
1058 ret=0;
1059 goto err;
1060 }
1061 else if (i == 0)
1062 {
1063 ret=1;
1064 goto err;
1065 }
1066 }
1067 else
1068 {
1069 again:
1070 i=SSL_read(con,(char *)buf,bufsize);
1071 switch (SSL_get_error(con,i))
1072 {
1073 case SSL_ERROR_NONE:
1074 #ifdef CHARSET_EBCDIC
1075 ascii2ebcdic(buf,buf,i);
1076 #endif
1077 write(fileno(stdout),buf,
1078 (unsigned int)i);
1079 if (SSL_pending(con)) goto again;
1080 break;
1081 case SSL_ERROR_WANT_WRITE:
1082 case SSL_ERROR_WANT_READ:
1083 case SSL_ERROR_WANT_X509_LOOKUP:
1084 BIO_printf(bio_s_out,"Read BLOCK\n");
1085 break;
1086 case SSL_ERROR_SYSCALL:
1087 case SSL_ERROR_SSL:
1088 BIO_printf(bio_s_out,"ERROR\n");
1089 ERR_print_errors(bio_err);
1090 ret=1;
1091 goto err;
1092 case SSL_ERROR_ZERO_RETURN:
1093 BIO_printf(bio_s_out,"DONE\n");
1094 ret=1;
1095 goto err;
1096 }
1097 }
1098 }
1099 }
1100 err:
1101 BIO_printf(bio_s_out,"shutting down SSL\n");
1102 #if 1
1103 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
1104 #else
1105 SSL_shutdown(con);
1106 #endif
1107 if (con != NULL) SSL_free(con);
1108 BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
1109 if (buf != NULL)
1110 {
1111 memset(buf,0,bufsize);
1112 OPENSSL_free(buf);
1113 }
1114 if (ret >= 0)
1115 BIO_printf(bio_s_out,"ACCEPT\n");
1116 return(ret);
1117 }
1118
1119 static void close_accept_socket(void)
1120 {
1121 BIO_printf(bio_err,"shutdown accept socket\n");
1122 if (accept_socket >= 0)
1123 {
1124 SHUTDOWN2(accept_socket);
1125 }
1126 }
1127
1128 static int init_ssl_connection(SSL *con)
1129 {
1130 int i;
1131 const char *str;
1132 X509 *peer;
1133 long verify_error;
1134 MS_STATIC char buf[BUFSIZ];
1135
1136 if ((i=SSL_accept(con)) <= 0)
1137 {
1138 if (BIO_sock_should_retry(i))
1139 {
1140 BIO_printf(bio_s_out,"DELAY\n");
1141 return(1);
1142 }
1143
1144 BIO_printf(bio_err,"ERROR\n");
1145 verify_error=SSL_get_verify_result(con);
1146 if (verify_error != X509_V_OK)
1147 {
1148 BIO_printf(bio_err,"verify error:%s\n",
1149 X509_verify_cert_error_string(verify_error));
1150 }
1151 else
1152 ERR_print_errors(bio_err);
1153 return(0);
1154 }
1155
1156 PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con));
1157
1158 peer=SSL_get_peer_certificate(con);
1159 if (peer != NULL)
1160 {
1161 BIO_printf(bio_s_out,"Client certificate\n");
1162 PEM_write_bio_X509(bio_s_out,peer);
1163 X509_NAME_oneline(X509_get_subject_name(peer),buf,BUFSIZ);
1164 BIO_printf(bio_s_out,"subject=%s\n",buf);
1165 X509_NAME_oneline(X509_get_issuer_name(peer),buf,BUFSIZ);
1166 BIO_printf(bio_s_out,"issuer=%s\n",buf);
1167 X509_free(peer);
1168 }
1169
1170 if (SSL_get_shared_ciphers(con,buf,BUFSIZ) != NULL)
1171 BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
1172 str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
1173 BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
1174 if (con->hit) BIO_printf(bio_s_out,"Reused session-id\n");
1175 if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
1176 TLS1_FLAGS_TLS_PADDING_BUG)
1177 BIO_printf(bio_s_out,"Peer has incorrect TLSv1 block padding\n");
1178
1179 return(1);
1180 }
1181
1182 #ifndef OPENSSL_NO_DH
1183 static DH *load_dh_param(char *dhfile)
1184 {
1185 DH *ret=NULL;
1186 BIO *bio;
1187
1188 if ((bio=BIO_new_file(dhfile,"r")) == NULL)
1189 goto err;
1190 ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL);
1191 err:
1192 if (bio != NULL) BIO_free(bio);
1193 return(ret);
1194 }
1195 #endif
1196
1197 #if 0
1198 static int load_CA(SSL_CTX *ctx, char *file)
1199 {
1200 FILE *in;
1201 X509 *x=NULL;
1202
1203 if ((in=fopen(file,"r")) == NULL)
1204 return(0);
1205
1206 for (;;)
1207 {
1208 if (PEM_read_X509(in,&x,NULL) == NULL)
1209 break;
1210 SSL_CTX_add_client_CA(ctx,x);
1211 }
1212 if (x != NULL) X509_free(x);
1213 fclose(in);
1214 return(1);
1215 }
1216 #endif
1217
1218 static int www_body(char *hostname, int s, unsigned char *context)
1219 {
1220 char *buf=NULL;
1221 int ret=1;
1222 int i,j,k,blank,dot;
1223 struct stat st_buf;
1224 SSL *con;
1225 SSL_CIPHER *c;
1226 BIO *io,*ssl_bio,*sbio;
1227 long total_bytes;
1228
1229 buf=OPENSSL_malloc(bufsize);
1230 if (buf == NULL) return(0);
1231 io=BIO_new(BIO_f_buffer());
1232 ssl_bio=BIO_new(BIO_f_ssl());
1233 if ((io == NULL) || (ssl_bio == NULL)) goto err;
1234
1235 #ifdef FIONBIO
1236 if (s_nbio)
1237 {
1238 unsigned long sl=1;
1239
1240 if (!s_quiet)
1241 BIO_printf(bio_err,"turning on non blocking io\n");
1242 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
1243 ERR_print_errors(bio_err);
1244 }
1245 #endif
1246
1247 /* lets make the output buffer a reasonable size */
1248 if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
1249
1250 if ((con=SSL_new(ctx)) == NULL) goto err;
1251 if(context) SSL_set_session_id_context(con, context,
1252 strlen((char *)context));
1253
1254 sbio=BIO_new_socket(s,BIO_NOCLOSE);
1255 if (s_nbio_test)
1256 {
1257 BIO *test;
1258
1259 test=BIO_new(BIO_f_nbio_test());
1260 sbio=BIO_push(test,sbio);
1261 }
1262 SSL_set_bio(con,sbio,sbio);
1263 SSL_set_accept_state(con);
1264
1265 /* SSL_set_fd(con,s); */
1266 BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
1267 BIO_push(io,ssl_bio);
1268 #ifdef CHARSET_EBCDIC
1269 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
1270 #endif
1271
1272 if (s_debug)
1273 {
1274 con->debug=1;
1275 BIO_set_callback(SSL_get_rbio(con),bio_dump_cb);
1276 BIO_set_callback_arg(SSL_get_rbio(con),bio_s_out);
1277 }
1278
1279 blank=0;
1280 for (;;)
1281 {
1282 if (hack)
1283 {
1284 i=SSL_accept(con);
1285
1286 switch (SSL_get_error(con,i))
1287 {
1288 case SSL_ERROR_NONE:
1289 break;
1290 case SSL_ERROR_WANT_WRITE:
1291 case SSL_ERROR_WANT_READ:
1292 case SSL_ERROR_WANT_X509_LOOKUP:
1293 continue;
1294 case SSL_ERROR_SYSCALL:
1295 case SSL_ERROR_SSL:
1296 case SSL_ERROR_ZERO_RETURN:
1297 ret=1;
1298 goto err;
1299 /* break; */
1300 }
1301
1302 SSL_renegotiate(con);
1303 SSL_write(con,NULL,0);
1304 }
1305
1306 i=BIO_gets(io,buf,bufsize-1);
1307 if (i < 0) /* error */
1308 {
1309 if (!BIO_should_retry(io))
1310 {
1311 if (!s_quiet)
1312 ERR_print_errors(bio_err);
1313 goto err;
1314 }
1315 else
1316 {
1317 BIO_printf(bio_s_out,"read R BLOCK\n");
1318 #ifndef OPENSSL_SYS_MSDOS
1319 sleep(1);
1320 #endif
1321 continue;
1322 }
1323 }
1324 else if (i == 0) /* end of input */
1325 {
1326 ret=1;
1327 goto end;
1328 }
1329
1330 /* else we have data */
1331 if ( ((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
1332 ((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
1333 {
1334 char *p;
1335 X509 *peer;
1336 STACK_OF(SSL_CIPHER) *sk;
1337 static char *space=" ";
1338
1339 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
1340 BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n");
1341 BIO_puts(io,"<pre>\n");
1342 /* BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
1343 BIO_puts(io,"\n");
1344 for (i=0; i<local_argc; i++)
1345 {
1346 BIO_puts(io,local_argv[i]);
1347 BIO_write(io," ",1);
1348 }
1349 BIO_puts(io,"\n");
1350
1351 /* The following is evil and should not really
1352 * be done */
1353 BIO_printf(io,"Ciphers supported in s_server binary\n");
1354 sk=SSL_get_ciphers(con);
1355 j=sk_SSL_CIPHER_num(sk);
1356 for (i=0; i<j; i++)
1357 {
1358 c=sk_SSL_CIPHER_value(sk,i);
1359 BIO_printf(io,"%-11s:%-25s",
1360 SSL_CIPHER_get_version(c),
1361 SSL_CIPHER_get_name(c));
1362 if ((((i+1)%2) == 0) && (i+1 != j))
1363 BIO_puts(io,"\n");
1364 }
1365 BIO_puts(io,"\n");
1366 p=SSL_get_shared_ciphers(con,buf,bufsize);
1367 if (p != NULL)
1368 {
1369 BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
1370 j=i=0;
1371 while (*p)
1372 {
1373 if (*p == ':')
1374 {
1375 BIO_write(io,space,26-j);
1376 i++;
1377 j=0;
1378 BIO_write(io,((i%3)?" ":"\n"),1);
1379 }
1380 else
1381 {
1382 BIO_write(io,p,1);
1383 j++;
1384 }
1385 p++;
1386 }
1387 BIO_puts(io,"\n");
1388 }
1389 BIO_printf(io,((con->hit)
1390 ?"---\nReused, "
1391 :"---\nNew, "));
1392 c=SSL_get_current_cipher(con);
1393 BIO_printf(io,"%s, Cipher is %s\n",
1394 SSL_CIPHER_get_version(c),
1395 SSL_CIPHER_get_name(c));
1396 SSL_SESSION_print(io,SSL_get_session(con));
1397 BIO_printf(io,"---\n");
1398 print_stats(io,SSL_get_SSL_CTX(con));
1399 BIO_printf(io,"---\n");
1400 peer=SSL_get_peer_certificate(con);
1401 if (peer != NULL)
1402 {
1403 BIO_printf(io,"Client certificate\n");
1404 X509_print(io,peer);
1405 PEM_write_bio_X509(io,peer);
1406 }
1407 else
1408 BIO_puts(io,"no client certificate available\n");
1409 BIO_puts(io,"</BODY></HTML>\r\n\r\n");
1410 break;
1411 }
1412 else if ((www == 2 || www == 3)
1413 && (strncmp("GET /",buf,5) == 0))
1414 {
1415 BIO *file;
1416 char *p,*e;
1417 static char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
1418
1419 /* skip the '/' */
1420 p= &(buf[5]);
1421
1422 dot = 1;
1423 for (e=p; *e != '\0'; e++)
1424 {
1425 if (e[0] == ' ')
1426 break;
1427
1428 switch (dot)
1429 {
1430 case 1:
1431 dot = (e[0] == '.') ? 2 : 0;
1432 break;
1433 case 2:
1434 dot = (e[0] == '.') ? 3 : 0;
1435 break;
1436 case 3:
1437 dot = (e[0] == '/') ? -1 : 0;
1438 break;
1439 }
1440 if (dot == 0)
1441 dot = (e[0] == '/') ? 1 : 0;
1442 }
1443 dot = (dot == 3) || (dot == -1); /* filename contains ".." component */
1444
1445 if (*e == '\0')
1446 {
1447 BIO_puts(io,text);
1448 BIO_printf(io,"'%s' is an invalid file name\r\n",p);
1449 break;
1450 }
1451 *e='\0';
1452
1453 if (dot)
1454 {
1455 BIO_puts(io,text);
1456 BIO_printf(io,"'%s' contains '..' reference\r\n",p);
1457 break;
1458 }
1459
1460 if (*p == '/')
1461 {
1462 BIO_puts(io,text);
1463 BIO_printf(io,"'%s' is an invalid path\r\n",p);
1464 break;
1465 }
1466
1467 #if 0
1468 /* append if a directory lookup */
1469 if (e[-1] == '/')
1470 strcat(p,"index.html");
1471 #endif
1472
1473 /* if a directory, do the index thang */
1474 if (stat(p,&st_buf) < 0)
1475 {
1476 BIO_puts(io,text);
1477 BIO_printf(io,"Error accessing '%s'\r\n",p);
1478 ERR_print_errors(io);
1479 break;
1480 }
1481 if (S_ISDIR(st_buf.st_mode))
1482 {
1483 #if 0 /* must check buffer size */
1484 strcat(p,"/index.html");
1485 #else
1486 BIO_puts(io,text);
1487 BIO_printf(io,"'%s' is a directory\r\n",p);
1488 break;
1489 #endif
1490 }
1491
1492 if ((file=BIO_new_file(p,"r")) == NULL)
1493 {
1494 BIO_puts(io,text);
1495 BIO_printf(io,"Error opening '%s'\r\n",p);
1496 ERR_print_errors(io);
1497 break;
1498 }
1499
1500 if (!s_quiet)
1501 BIO_printf(bio_err,"FILE:%s\n",p);
1502
1503 if (www == 2)
1504 {
1505 i=strlen(p);
1506 if ( ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) ||
1507 ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) ||
1508 ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0)))
1509 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
1510 else
1511 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
1512 }
1513 /* send the file */
1514 total_bytes=0;
1515 for (;;)
1516 {
1517 i=BIO_read(file,buf,bufsize);
1518 if (i <= 0) break;
1519
1520 #ifdef RENEG
1521 total_bytes+=i;
1522 fprintf(stderr,"%d\n",i);
1523 if (total_bytes > 3*1024)
1524 {
1525 total_bytes=0;
1526 fprintf(stderr,"RENEGOTIATE\n");
1527 SSL_renegotiate(con);
1528 }
1529 #endif
1530
1531 for (j=0; j<i; )
1532 {
1533 #ifdef RENEG
1534 { static count=0; if (++count == 13) { SSL_renegotiate(con); } }
1535 #endif
1536 k=BIO_write(io,&(buf[j]),i-j);
1537 if (k <= 0)
1538 {
1539 if (!BIO_should_retry(io))
1540 goto write_error;
1541 else
1542 {
1543 BIO_printf(bio_s_out,"rwrite W BLOCK\n");
1544 }
1545 }
1546 else
1547 {
1548 j+=k;
1549 }
1550 }
1551 }
1552 write_error:
1553 BIO_free(file);
1554 break;
1555 }
1556 }
1557
1558 for (;;)
1559 {
1560 i=(int)BIO_flush(io);
1561 if (i <= 0)
1562 {
1563 if (!BIO_should_retry(io))
1564 break;
1565 }
1566 else
1567 break;
1568 }
1569 end:
1570 #if 1
1571 /* make sure we re-use sessions */
1572 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
1573 #else
1574 /* This kills performance */
1575 /* SSL_shutdown(con); A shutdown gets sent in the
1576 * BIO_free_all(io) procession */
1577 #endif
1578
1579 err:
1580
1581 if (ret >= 0)
1582 BIO_printf(bio_s_out,"ACCEPT\n");
1583
1584 if (buf != NULL) OPENSSL_free(buf);
1585 if (io != NULL) BIO_free_all(io);
1586 /* if (ssl_bio != NULL) BIO_free(ssl_bio);*/
1587 return(ret);
1588 }
1589
1590 #ifndef OPENSSL_NO_RSA
1591 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
1592 {
1593 static RSA *rsa_tmp=NULL;
1594
1595 if (rsa_tmp == NULL)
1596 {
1597 if (!s_quiet)
1598 {
1599 BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
1600 (void)BIO_flush(bio_err);
1601 }
1602 rsa_tmp=RSA_generate_key(keylength,RSA_F4,NULL,NULL);
1603 if (!s_quiet)
1604 {
1605 BIO_printf(bio_err,"\n");
1606 (void)BIO_flush(bio_err);
1607 }
1608 }
1609 return(rsa_tmp);
1610 }
1611 #endif
1612
1613 #define MAX_SESSION_ID_ATTEMPTS 10
1614 static int generate_session_id(const SSL *ssl, unsigned char *id,
1615 unsigned int *id_len)
1616 {
1617 unsigned int count = 0;
1618 do {
1619 RAND_pseudo_bytes(id, *id_len);
1620 /* Prefix the session_id with the required prefix. NB: If our
1621 * prefix is too long, clip it - but there will be worse effects
1622 * anyway, eg. the server could only possibly create 1 session
1623 * ID (ie. the prefix!) so all future session negotiations will
1624 * fail due to conflicts. */
1625 memcpy(id, session_id_prefix,
1626 (strlen(session_id_prefix) < *id_len) ?
1627 strlen(session_id_prefix) : *id_len);
1628 }
1629 while(SSL_has_matching_session_id(ssl, id, *id_len) &&
1630 (++count < MAX_SESSION_ID_ATTEMPTS));
1631 if(count >= MAX_SESSION_ID_ATTEMPTS)
1632 return 0;
1633 return 1;
1634 }
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